diff options
Diffstat (limited to 'drivers')
207 files changed, 22995 insertions, 11110 deletions
diff --git a/drivers/Kconfig b/drivers/Kconfig index aeb5ab2391e4..8b11cebe65df 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -72,4 +72,6 @@ source "drivers/edac/Kconfig" source "drivers/rtc/Kconfig" +source "drivers/dma/Kconfig" + endmenu diff --git a/drivers/Makefile b/drivers/Makefile index 447d8e68887a..3c5170310bd0 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -74,3 +74,4 @@ obj-$(CONFIG_SGI_SN) += sn/ obj-y += firmware/ obj-$(CONFIG_CRYPTO) += crypto/ obj-$(CONFIG_SUPERH) += sh/ +obj-$(CONFIG_DMA_ENGINE) += dma/ diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 07bc6dfe662b..8920e8c6e246 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -812,6 +812,9 @@ static int irqrouter_resume(struct sys_device *dev) ACPI_FUNCTION_TRACE("irqrouter_resume"); + /* Make sure SCI is enabled again (Apple firmware bug?) */ + acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1, ACPI_MTX_DO_NOT_LOCK); + acpi_in_resume = 1; list_for_each(node, &acpi_link.entries) { link = list_entry(node, struct acpi_pci_link, node); diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index abbdb37a7f5f..f36db22ce1ae 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -577,6 +577,8 @@ acpi_processor_register_performance(struct acpi_processor_performance return_VALUE(-EBUSY); } + WARN_ON(!performance); + pr->performance = performance; if (acpi_processor_get_performance_info(pr)) { @@ -609,7 +611,8 @@ acpi_processor_unregister_performance(struct acpi_processor_performance return_VOID; } - kfree(pr->performance->states); + if (pr->performance) + kfree(pr->performance->states); pr->performance = NULL; acpi_cpufreq_remove_file(pr); diff --git a/drivers/block/aoe/aoenet.c b/drivers/block/aoe/aoenet.c index fdff774b8ab9..c1434ed11880 100644 --- a/drivers/block/aoe/aoenet.c +++ b/drivers/block/aoe/aoenet.c @@ -116,8 +116,7 @@ aoenet_rcv(struct sk_buff *skb, struct net_device *ifp, struct packet_type *pt, skb = skb_share_check(skb, GFP_ATOMIC); if (skb == NULL) return 0; - if (skb_is_nonlinear(skb)) - if (skb_linearize(skb, GFP_ATOMIC) < 0) + if (skb_linearize(skb)) goto exit; if (!is_aoe_netif(ifp)) goto exit; diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index a59876a0bfa1..3170eaa25087 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -1009,9 +1009,9 @@ int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip, struct file *fp) if (fp->f_mode & FMODE_WRITE) { ret = -EROFS; if (cdrom_open_write(cdi)) - goto err; + goto err_release; if (!CDROM_CAN(CDC_RAM)) - goto err; + goto err_release; ret = 0; cdi->media_written = 0; } @@ -1026,6 +1026,8 @@ int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip, struct file *fp) not be mounting, but opening with O_NONBLOCK */ check_disk_change(ip->i_bdev); return 0; +err_release: + cdi->ops->release(cdi); err: cdi->use_count--; return ret; diff --git a/drivers/char/Makefile b/drivers/char/Makefile index f5b01c6d498e..fb919bfb2824 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -41,9 +41,9 @@ obj-$(CONFIG_N_HDLC) += n_hdlc.o obj-$(CONFIG_AMIGA_BUILTIN_SERIAL) += amiserial.o obj-$(CONFIG_SX) += sx.o generic_serial.o obj-$(CONFIG_RIO) += rio/ generic_serial.o -obj-$(CONFIG_HVC_DRIVER) += hvc_console.o obj-$(CONFIG_HVC_CONSOLE) += hvc_vio.o hvsi.o obj-$(CONFIG_HVC_RTAS) += hvc_rtas.o +obj-$(CONFIG_HVC_DRIVER) += hvc_console.o obj-$(CONFIG_RAW_DRIVER) += raw.o obj-$(CONFIG_SGI_SNSC) += snsc.o snsc_event.o obj-$(CONFIG_MMTIMER) += mmtimer.o diff --git a/drivers/char/agp/alpha-agp.c b/drivers/char/agp/alpha-agp.c index 2b5838e64751..b4e00a343da9 100644 --- a/drivers/char/agp/alpha-agp.c +++ b/drivers/char/agp/alpha-agp.c @@ -46,12 +46,6 @@ struct vm_operations_struct alpha_core_agp_vm_ops = { }; -static int alpha_core_agp_nop(void) -{ - /* just return success */ - return 0; -} - static int alpha_core_agp_fetch_size(void) { return alpha_core_agp_sizes[0].size; @@ -120,6 +114,11 @@ static int alpha_core_agp_remove_memory(struct agp_memory *mem, off_t pg_start, return status; } +static int alpha_core_agp_create_free_gatt_table(struct agp_bridge_data *a) +{ + return 0; +} + struct agp_bridge_driver alpha_core_agp_driver = { .owner = THIS_MODULE, .aperture_sizes = alpha_core_agp_sizes, @@ -135,8 +134,8 @@ struct agp_bridge_driver alpha_core_agp_driver = { .tlb_flush = alpha_core_agp_tlbflush, .mask_memory = agp_generic_mask_memory, .cache_flush = global_cache_flush, - .create_gatt_table = alpha_core_agp_nop, - .free_gatt_table = alpha_core_agp_nop, + .create_gatt_table = alpha_core_agp_create_free_gatt_table, + .free_gatt_table = alpha_core_agp_create_free_gatt_table, .insert_memory = alpha_core_agp_insert_memory, .remove_memory = alpha_core_agp_remove_memory, .alloc_by_type = agp_generic_alloc_by_type, diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index 4e1891e2c035..a92ab53a1370 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -809,12 +809,10 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge) case U32_APER_SIZE: bridge->current_size = A_IDX32(bridge); break; - /* This case will never really happen. */ + /* These cases will never really happen. */ case FIXED_APER_SIZE: case LVL2_APER_SIZE: default: - bridge->current_size = - bridge->current_size; break; } temp = bridge->current_size; diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index bddcae54b16d..61ac3809f997 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -736,7 +736,7 @@ static int intel_i915_remove_entries(struct agp_memory *mem,off_t pg_start, static int intel_i915_fetch_size(void) { struct aper_size_info_fixed *values; - u32 temp, offset = 0; + u32 temp, offset; #define I915_256MB_ADDRESS_MASK (1<<27) diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c index 9846defbddb4..1de1b12043bf 100644 --- a/drivers/char/agp/uninorth-agp.c +++ b/drivers/char/agp/uninorth-agp.c @@ -329,7 +329,7 @@ static int agp_uninorth_suspend(struct pci_dev *pdev) /* turn off AGP on the bridge */ agp = pci_find_capability(pdev, PCI_CAP_ID_AGP); pci_read_config_dword(pdev, agp + PCI_AGP_COMMAND, &cmd); - bridge->dev_private_data = (void *)cmd; + bridge->dev_private_data = (void *)(long)cmd; if (cmd & PCI_AGP_COMMAND_AGP) { printk("uninorth-agp: disabling AGP on bridge %s\n", pci_name(pdev)); @@ -351,7 +351,7 @@ static int agp_uninorth_resume(struct pci_dev *pdev) if (bridge == NULL) return -ENODEV; - command = (u32)bridge->dev_private_data; + command = (long)bridge->dev_private_data; bridge->dev_private_data = NULL; if (!(command & PCI_AGP_COMMAND_AGP)) return 0; diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index ede365d05387..b9371d5bf790 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -1384,8 +1384,10 @@ do_it_again: * longer than TTY_THRESHOLD_UNTHROTTLE in canonical mode, * we won't get any more characters. */ - if (n_tty_chars_in_buffer(tty) <= TTY_THRESHOLD_UNTHROTTLE) + if (n_tty_chars_in_buffer(tty) <= TTY_THRESHOLD_UNTHROTTLE) { + n_tty_set_room(tty); check_unthrottle(tty); + } if (b - buf >= minimum) break; diff --git a/drivers/connector/cn_queue.c b/drivers/connector/cn_queue.c index 9f2f00d82917..05f8ce2cfb4a 100644 --- a/drivers/connector/cn_queue.c +++ b/drivers/connector/cn_queue.c @@ -127,7 +127,7 @@ void cn_queue_del_callback(struct cn_queue_dev *dev, struct cb_id *id) if (found) { cn_queue_free_callback(cbq); - atomic_dec_and_test(&dev->refcnt); + atomic_dec(&dev->refcnt); } } diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 29b2fa5534ae..44d1eca83a72 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -257,7 +257,7 @@ void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state) if (!(cpufreq_driver->flags & CPUFREQ_CONST_LOOPS)) { if ((policy) && (policy->cpu == freqs->cpu) && (policy->cur) && (policy->cur != freqs->old)) { - dprintk(KERN_WARNING "Warning: CPU frequency is" + dprintk("Warning: CPU frequency is" " %u, cpufreq assumed %u kHz.\n", freqs->old, policy->cur); freqs->old = policy->cur; @@ -874,7 +874,7 @@ static void cpufreq_out_of_sync(unsigned int cpu, unsigned int old_freq, unsigne { struct cpufreq_freqs freqs; - dprintk(KERN_WARNING "Warning: CPU frequency out of sync: cpufreq and timing " + dprintk("Warning: CPU frequency out of sync: cpufreq and timing " "core thinks of %u, is %u kHz.\n", old_freq, new_freq); freqs.cpu = cpu; @@ -1006,7 +1006,7 @@ static int cpufreq_suspend(struct sys_device * sysdev, pm_message_t pmsg) struct cpufreq_freqs freqs; if (!(cpufreq_driver->flags & CPUFREQ_PM_NO_WARN)) - dprintk(KERN_DEBUG "Warning: CPU frequency is %u, " + dprintk("Warning: CPU frequency is %u, " "cpufreq assumed %u kHz.\n", cur_freq, cpu_policy->cur); @@ -1087,7 +1087,7 @@ static int cpufreq_resume(struct sys_device * sysdev) struct cpufreq_freqs freqs; if (!(cpufreq_driver->flags & CPUFREQ_PM_NO_WARN)) - dprintk(KERN_WARNING "Warning: CPU frequency" + dprintk("Warning: CPU frequency" "is %u, cpufreq assumed %u kHz.\n", cur_freq, cpu_policy->cur); diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c index 9694b6ed3268..c576c0b3f452 100644 --- a/drivers/cpufreq/cpufreq_stats.c +++ b/drivers/cpufreq/cpufreq_stats.c @@ -74,7 +74,7 @@ static ssize_t show_total_trans(struct cpufreq_policy *policy, char *buf) { struct cpufreq_stats *stat = cpufreq_stats_table[policy->cpu]; - if(!stat) + if (!stat) return 0; return sprintf(buf, "%d\n", cpufreq_stats_table[stat->cpu]->total_trans); @@ -86,7 +86,7 @@ show_time_in_state(struct cpufreq_policy *policy, char *buf) ssize_t len = 0; int i; struct cpufreq_stats *stat = cpufreq_stats_table[policy->cpu]; - if(!stat) + if (!stat) return 0; cpufreq_stats_update(stat->cpu); for (i = 0; i < stat->state_num; i++) { @@ -104,7 +104,7 @@ show_trans_table(struct cpufreq_policy *policy, char *buf) int i, j; struct cpufreq_stats *stat = cpufreq_stats_table[policy->cpu]; - if(!stat) + if (!stat) return 0; cpufreq_stats_update(stat->cpu); len += snprintf(buf + len, PAGE_SIZE - len, " From : To\n"); diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c index a4818ce88919..551f4ccf87fd 100644 --- a/drivers/cpufreq/freq_table.c +++ b/drivers/cpufreq/freq_table.c @@ -20,7 +20,7 @@ int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy, { unsigned int min_freq = ~0; unsigned int max_freq = 0; - unsigned int i = 0; + unsigned int i; for (i=0; (table[i].frequency != CPUFREQ_TABLE_END); i++) { unsigned int freq = table[i].frequency; @@ -51,7 +51,7 @@ int cpufreq_frequency_table_verify(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table) { unsigned int next_larger = ~0; - unsigned int i = 0; + unsigned int i; unsigned int count = 0; dprintk("request for verification of policy (%u - %u kHz) for cpu %u\n", policy->min, policy->max, policy->cpu); @@ -91,20 +91,24 @@ int cpufreq_frequency_table_target(struct cpufreq_policy *policy, unsigned int relation, unsigned int *index) { - struct cpufreq_frequency_table optimal = { .index = ~0, }; - struct cpufreq_frequency_table suboptimal = { .index = ~0, }; + struct cpufreq_frequency_table optimal = { + .index = ~0, + .frequency = 0, + }; + struct cpufreq_frequency_table suboptimal = { + .index = ~0, + .frequency = 0, + }; unsigned int i; dprintk("request for target %u kHz (relation: %u) for cpu %u\n", target_freq, relation, policy->cpu); switch (relation) { case CPUFREQ_RELATION_H: - optimal.frequency = 0; suboptimal.frequency = ~0; break; case CPUFREQ_RELATION_L: optimal.frequency = ~0; - suboptimal.frequency = 0; break; } diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig new file mode 100644 index 000000000000..30d021d1a07c --- /dev/null +++ b/drivers/dma/Kconfig @@ -0,0 +1,34 @@ +# +# DMA engine configuration +# + +menu "DMA Engine support" + +config DMA_ENGINE + bool "Support for DMA engines" + ---help--- + DMA engines offload copy operations from the CPU to dedicated + hardware, allowing the copies to happen asynchronously. + +comment "DMA Clients" + +config NET_DMA + bool "Network: TCP receive copy offload" + depends on DMA_ENGINE && NET + default y + ---help--- + This enables the use of DMA engines in the network stack to + offload receive copy-to-user operations, freeing CPU cycles. + Since this is the main user of the DMA engine, it should be enabled; + say Y here. + +comment "DMA Devices" + +config INTEL_IOATDMA + tristate "Intel I/OAT DMA support" + depends on DMA_ENGINE && PCI + default m + ---help--- + Enable support for the Intel(R) I/OAT DMA engine. + +endmenu diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile new file mode 100644 index 000000000000..bdcfdbdb1aec --- /dev/null +++ b/drivers/dma/Makefile @@ -0,0 +1,3 @@ +obj-$(CONFIG_DMA_ENGINE) += dmaengine.o +obj-$(CONFIG_NET_DMA) += iovlock.o +obj-$(CONFIG_INTEL_IOATDMA) += ioatdma.o diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c new file mode 100644 index 000000000000..5829143558e1 --- /dev/null +++ b/drivers/dma/dmaengine.c @@ -0,0 +1,408 @@ +/* + * Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution in the + * file called COPYING. + */ + +/* + * This code implements the DMA subsystem. It provides a HW-neutral interface + * for other kernel code to use asynchronous memory copy capabilities, + * if present, and allows different HW DMA drivers to register as providing + * this capability. + * + * Due to the fact we are accelerating what is already a relatively fast + * operation, the code goes to great lengths to avoid additional overhead, + * such as locking. + * + * LOCKING: + * + * The subsystem keeps two global lists, dma_device_list and dma_client_list. + * Both of these are protected by a mutex, dma_list_mutex. + * + * Each device has a channels list, which runs unlocked but is never modified + * once the device is registered, it's just setup by the driver. + * + * Each client has a channels list, it's only modified under the client->lock + * and in an RCU callback, so it's safe to read under rcu_read_lock(). + * + * Each device has a kref, which is initialized to 1 when the device is + * registered. A kref_put is done for each class_device registered. When the + * class_device is released, the coresponding kref_put is done in the release + * method. Every time one of the device's channels is allocated to a client, + * a kref_get occurs. When the channel is freed, the coresponding kref_put + * happens. The device's release function does a completion, so + * unregister_device does a remove event, class_device_unregister, a kref_put + * for the first reference, then waits on the completion for all other + * references to finish. + * + * Each channel has an open-coded implementation of Rusty Russell's "bigref," + * with a kref and a per_cpu local_t. A single reference is set when on an + * ADDED event, and removed with a REMOVE event. Net DMA client takes an + * extra reference per outstanding transaction. The relase function does a + * kref_put on the device. -ChrisL + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/dmaengine.h> +#include <linux/hardirq.h> +#include <linux/spinlock.h> +#include <linux/percpu.h> +#include <linux/rcupdate.h> +#include <linux/mutex.h> + +static DEFINE_MUTEX(dma_list_mutex); +static LIST_HEAD(dma_device_list); +static LIST_HEAD(dma_client_list); + +/* --- sysfs implementation --- */ + +static ssize_t show_memcpy_count(struct class_device *cd, char *buf) +{ + struct dma_chan *chan = container_of(cd, struct dma_chan, class_dev); + unsigned long count = 0; + int i; + + for_each_possible_cpu(i) + count += per_cpu_ptr(chan->local, i)->memcpy_count; + + return sprintf(buf, "%lu\n", count); +} + +static ssize_t show_bytes_transferred(struct class_device *cd, char *buf) +{ + struct dma_chan *chan = container_of(cd, struct dma_chan, class_dev); + unsigned long count = 0; + int i; + + for_each_possible_cpu(i) + count += per_cpu_ptr(chan->local, i)->bytes_transferred; + + return sprintf(buf, "%lu\n", count); +} + +static ssize_t show_in_use(struct class_device *cd, char *buf) +{ + struct dma_chan *chan = container_of(cd, struct dma_chan, class_dev); + + return sprintf(buf, "%d\n", (chan->client ? 1 : 0)); +} + +static struct class_device_attribute dma_class_attrs[] = { + __ATTR(memcpy_count, S_IRUGO, show_memcpy_count, NULL), + __ATTR(bytes_transferred, S_IRUGO, show_bytes_transferred, NULL), + __ATTR(in_use, S_IRUGO, show_in_use, NULL), + __ATTR_NULL +}; + +static void dma_async_device_cleanup(struct kref *kref); + +static void dma_class_dev_release(struct class_device *cd) +{ + struct dma_chan *chan = container_of(cd, struct dma_chan, class_dev); + kref_put(&chan->device->refcount, dma_async_device_cleanup); +} + +static struct class dma_devclass = { + .name = "dma", + .class_dev_attrs = dma_class_attrs, + .release = dma_class_dev_release, +}; + +/* --- client and device registration --- */ + +/** + * dma_client_chan_alloc - try to allocate a channel to a client + * @client: &dma_client + * + * Called with dma_list_mutex held. + */ +static struct dma_chan *dma_client_chan_alloc(struct dma_client *client) +{ + struct dma_device *device; + struct dma_chan *chan; + unsigned long flags; + int desc; /* allocated descriptor count */ + + /* Find a channel, any DMA engine will do */ + list_for_each_entry(device, &dma_device_list, global_node) { + list_for_each_entry(chan, &device->channels, device_node) { + if (chan->client) + continue; + + desc = chan->device->device_alloc_chan_resources(chan); + if (desc >= 0) { + kref_get(&device->refcount); + kref_init(&chan->refcount); + chan->slow_ref = 0; + INIT_RCU_HEAD(&chan->rcu); + chan->client = client; + spin_lock_irqsave(&client->lock, flags); + list_add_tail_rcu(&chan->client_node, + &client->channels); + spin_unlock_irqrestore(&client->lock, flags); + return chan; + } + } + } + + return NULL; +} + +/** + * dma_client_chan_free - release a DMA channel + * @chan: &dma_chan + */ +void dma_chan_cleanup(struct kref *kref) +{ + struct dma_chan *chan = container_of(kref, struct dma_chan, refcount); + chan->device->device_free_chan_resources(chan); + chan->client = NULL; + kref_put(&chan->device->refcount, dma_async_device_cleanup); +} + +static void dma_chan_free_rcu(struct rcu_head *rcu) +{ + struct dma_chan *chan = container_of(rcu, struct dma_chan, rcu); + int bias = 0x7FFFFFFF; + int i; + for_each_possible_cpu(i) + bias -= local_read(&per_cpu_ptr(chan->local, i)->refcount); + atomic_sub(bias, &chan->refcount.refcount); + kref_put(&chan->refcount, dma_chan_cleanup); +} + +static void dma_client_chan_free(struct dma_chan *chan) +{ + atomic_add(0x7FFFFFFF, &chan->refcount.refcount); + chan->slow_ref = 1; + call_rcu(&chan->rcu, dma_chan_free_rcu); +} + +/** + * dma_chans_rebalance - reallocate channels to clients + * + * When the number of DMA channel in the system changes, + * channels need to be rebalanced among clients + */ +static void dma_chans_rebalance(void) +{ + struct dma_client *client; + struct dma_chan *chan; + unsigned long flags; + + mutex_lock(&dma_list_mutex); + + list_for_each_entry(client, &dma_client_list, global_node) { + while (client->chans_desired > client->chan_count) { + chan = dma_client_chan_alloc(client); + if (!chan) + break; + client->chan_count++; + client->event_callback(client, + chan, + DMA_RESOURCE_ADDED); + } + while (client->chans_desired < client->chan_count) { + spin_lock_irqsave(&client->lock, flags); + chan = list_entry(client->channels.next, + struct dma_chan, + client_node); + list_del_rcu(&chan->client_node); + spin_unlock_irqrestore(&client->lock, flags); + client->chan_count--; + client->event_callback(client, + chan, + DMA_RESOURCE_REMOVED); + dma_client_chan_free(chan); + } + } + + mutex_unlock(&dma_list_mutex); +} + +/** + * dma_async_client_register - allocate and register a &dma_client + * @event_callback: callback for notification of channel addition/removal + */ +struct dma_client *dma_async_client_register(dma_event_callback event_callback) +{ + struct dma_client *client; + + client = kzalloc(sizeof(*client), GFP_KERNEL); + if (!client) + return NULL; + + INIT_LIST_HEAD(&client->channels); + spin_lock_init(&client->lock); + client->chans_desired = 0; + client->chan_count = 0; + client->event_callback = event_callback; + + mutex_lock(&dma_list_mutex); + list_add_tail(&client->global_node, &dma_client_list); + mutex_unlock(&dma_list_mutex); + + return client; +} + +/** + * dma_async_client_unregister - unregister a client and free the &dma_client + * @client: + * + * Force frees any allocated DMA channels, frees the &dma_client memory + */ +void dma_async_client_unregister(struct dma_client *client) +{ + struct dma_chan *chan; + + if (!client) + return; + + rcu_read_lock(); + list_for_each_entry_rcu(chan, &client->channels, client_node) + dma_client_chan_free(chan); + rcu_read_unlock(); + + mutex_lock(&dma_list_mutex); + list_del(&client->global_node); + mutex_unlock(&dma_list_mutex); + + kfree(client); + dma_chans_rebalance(); +} + +/** + * dma_async_client_chan_request - request DMA channels + * @client: &dma_client + * @number: count of DMA channels requested + * + * Clients call dma_async_client_chan_request() to specify how many + * DMA channels they need, 0 to free all currently allocated. + * The resulting allocations/frees are indicated to the client via the + * event callback. + */ +void dma_async_client_chan_request(struct dma_client *client, + unsigned int number) +{ + client->chans_desired = number; + dma_chans_rebalance(); +} + +/** + * dma_async_device_register - + * @device: &dma_device + */ +int dma_async_device_register(struct dma_device *device) +{ + static int id; + int chancnt = 0; + struct dma_chan* chan; + + if (!device) + return -ENODEV; + + init_completion(&device->done); + kref_init(&device->refcount); + device->dev_id = id++; + + /* represent channels in sysfs. Probably want devs too */ + list_for_each_entry(chan, &device->channels, device_node) { + chan->local = alloc_percpu(typeof(*chan->local)); + if (chan->local == NULL) + continue; + + chan->chan_id = chancnt++; + chan->class_dev.class = &dma_devclass; + chan->class_dev.dev = NULL; + snprintf(chan->class_dev.class_id, BUS_ID_SIZE, "dma%dchan%d", + device->dev_id, chan->chan_id); + + kref_get(&device->refcount); + class_device_register(&chan->class_dev); + } + + mutex_lock(&dma_list_mutex); + list_add_tail(&device->global_node, &dma_device_list); + mutex_unlock(&dma_list_mutex); + + dma_chans_rebalance(); + + return 0; +} + +/** + * dma_async_device_unregister - + * @device: &dma_device + */ +static void dma_async_device_cleanup(struct kref *kref) +{ + struct dma_device *device; + + device = container_of(kref, struct dma_device, refcount); + complete(&device->done); +} + +void dma_async_device_unregister(struct dma_device* device) +{ + struct dma_chan *chan; + unsigned long flags; + + mutex_lock(&dma_list_mutex); + list_del(&device->global_node); + mutex_unlock(&dma_list_mutex); + + list_for_each_entry(chan, &device->channels, device_node) { + if (chan->client) { + spin_lock_irqsave(&chan->client->lock, flags); + list_del(&chan->client_node); + chan->client->chan_count--; + spin_unlock_irqrestore(&chan->client->lock, flags); + chan->client->event_callback(chan->client, + chan, + DMA_RESOURCE_REMOVED); + dma_client_chan_free(chan); + } + class_device_unregister(&chan->class_dev); + } + dma_chans_rebalance(); + + kref_put(&device->refcount, dma_async_device_cleanup); + wait_for_completion(&device->done); +} + +static int __init dma_bus_init(void) +{ + mutex_init(&dma_list_mutex); + return class_register(&dma_devclass); +} + +subsys_initcall(dma_bus_init); + +EXPORT_SYMBOL(dma_async_client_register); +EXPORT_SYMBOL(dma_async_client_unregister); +EXPORT_SYMBOL(dma_async_client_chan_request); +EXPORT_SYMBOL(dma_async_memcpy_buf_to_buf); +EXPORT_SYMBOL(dma_async_memcpy_buf_to_pg); +EXPORT_SYMBOL(dma_async_memcpy_pg_to_pg); +EXPORT_SYMBOL(dma_async_memcpy_complete); +EXPORT_SYMBOL(dma_async_memcpy_issue_pending); +EXPORT_SYMBOL(dma_async_device_register); +EXPORT_SYMBOL(dma_async_device_unregister); +EXPORT_SYMBOL(dma_chan_cleanup); diff --git a/drivers/dma/ioatdma.c b/drivers/dma/ioatdma.c new file mode 100644 index 000000000000..0fdf7fbd6495 --- /dev/null +++ b/drivers/dma/ioatdma.c @@ -0,0 +1,840 @@ +/* + * Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution in the + * file called COPYING. + */ + +/* + * This driver supports an Intel I/OAT DMA engine, which does asynchronous + * copy operations. + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/interrupt.h> +#include <linux/dmaengine.h> +#include <linux/delay.h> +#include <linux/dma-mapping.h> +#include "ioatdma.h" +#include "ioatdma_io.h" +#include "ioatdma_registers.h" +#include "ioatdma_hw.h" + +#define to_ioat_chan(chan) container_of(chan, struct ioat_dma_chan, common) +#define to_ioat_device(dev) container_of(dev, struct ioat_device, common) +#define to_ioat_desc(lh) container_of(lh, struct ioat_desc_sw, node) + +/* internal functions */ +static int __devinit ioat_probe(struct pci_dev *pdev, const struct pci_device_id *ent); +static void __devexit ioat_remove(struct pci_dev *pdev); + +static int enumerate_dma_channels(struct ioat_device *device) +{ + u8 xfercap_scale; + u32 xfercap; + int i; + struct ioat_dma_chan *ioat_chan; + + device->common.chancnt = ioatdma_read8(device, IOAT_CHANCNT_OFFSET); + xfercap_scale = ioatdma_read8(device, IOAT_XFERCAP_OFFSET); + xfercap = (xfercap_scale == 0 ? -1 : (1UL << xfercap_scale)); + + for (i = 0; i < device->common.chancnt; i++) { + ioat_chan = kzalloc(sizeof(*ioat_chan), GFP_KERNEL); + if (!ioat_chan) { + device->common.chancnt = i; + break; + } + + ioat_chan->device = device; + ioat_chan->reg_base = device->reg_base + (0x80 * (i + 1)); + ioat_chan->xfercap = xfercap; + spin_lock_init(&ioat_chan->cleanup_lock); + spin_lock_init(&ioat_chan->desc_lock); + INIT_LIST_HEAD(&ioat_chan->free_desc); + INIT_LIST_HEAD(&ioat_chan->used_desc); + /* This should be made common somewhere in dmaengine.c */ + ioat_chan->common.device = &device->common; + ioat_chan->common.client = NULL; + list_add_tail(&ioat_chan->common.device_node, + &device->common.channels); + } + return device->common.chancnt; +} + +static struct ioat_desc_sw *ioat_dma_alloc_descriptor( + struct ioat_dma_chan *ioat_chan, + int flags) +{ + struct ioat_dma_descriptor *desc; + struct ioat_desc_sw *desc_sw; + struct ioat_device *ioat_device; + dma_addr_t phys; + + ioat_device = to_ioat_device(ioat_chan->common.device); + desc = pci_pool_alloc(ioat_device->dma_pool, flags, &phys); + if (unlikely(!desc)) + return NULL; + + desc_sw = kzalloc(sizeof(*desc_sw), flags); + if (unlikely(!desc_sw)) { + pci_pool_free(ioat_device->dma_pool, desc, phys); + return NULL; + } + + memset(desc, 0, sizeof(*desc)); + desc_sw->hw = desc; + desc_sw->phys = phys; + + return desc_sw; +} + +#define INITIAL_IOAT_DESC_COUNT 128 + +static void ioat_start_null_desc(struct ioat_dma_chan *ioat_chan); + +/* returns the actual number of allocated descriptors */ +static int ioat_dma_alloc_chan_resources(struct dma_chan *chan) +{ + struct ioat_dma_chan *ioat_chan = to_ioat_chan(chan); + struct ioat_desc_sw *desc = NULL; + u16 chanctrl; + u32 chanerr; + int i; + LIST_HEAD(tmp_list); + + /* + * In-use bit automatically set by reading chanctrl + * If 0, we got it, if 1, someone else did + */ + chanctrl = ioatdma_chan_read16(ioat_chan, IOAT_CHANCTRL_OFFSET); + if (chanctrl & IOAT_CHANCTRL_CHANNEL_IN_USE) + return -EBUSY; + + /* Setup register to interrupt and write completion status on error */ + chanctrl = IOAT_CHANCTRL_CHANNEL_IN_USE | + IOAT_CHANCTRL_ERR_INT_EN | + IOAT_CHANCTRL_ANY_ERR_ABORT_EN | + IOAT_CHANCTRL_ERR_COMPLETION_EN; + ioatdma_chan_write16(ioat_chan, IOAT_CHANCTRL_OFFSET, chanctrl); + + chanerr = ioatdma_chan_read32(ioat_chan, IOAT_CHANERR_OFFSET); + if (chanerr) { + printk("IOAT: CHANERR = %x, clearing\n", chanerr); + ioatdma_chan_write32(ioat_chan, IOAT_CHANERR_OFFSET, chanerr); + } + + /* Allocate descriptors */ + for (i = 0; i < INITIAL_IOAT_DESC_COUNT; i++) { + desc = ioat_dma_alloc_descriptor(ioat_chan, GFP_KERNEL); + if (!desc) { + printk(KERN_ERR "IOAT: Only %d initial descriptors\n", i); + break; + } + list_add_tail(&desc->node, &tmp_list); + } + spin_lock_bh(&ioat_chan->desc_lock); + list_splice(&tmp_list, &ioat_chan->free_desc); + spin_unlock_bh(&ioat_chan->desc_lock); + + /* allocate a completion writeback area */ + /* doing 2 32bit writes to mmio since 1 64b write doesn't work */ + ioat_chan->completion_virt = + pci_pool_alloc(ioat_chan->device->completion_pool, + GFP_KERNEL, + &ioat_chan->completion_addr); + memset(ioat_chan->completion_virt, 0, + sizeof(*ioat_chan->completion_virt)); + ioatdma_chan_write32(ioat_chan, IOAT_CHANCMP_OFFSET_LOW, + ((u64) ioat_chan->completion_addr) & 0x00000000FFFFFFFF); + ioatdma_chan_write32(ioat_chan, IOAT_CHANCMP_OFFSET_HIGH, + ((u64) ioat_chan->completion_addr) >> 32); + + ioat_start_null_desc(ioat_chan); + return i; +} + +static void ioat_dma_memcpy_cleanup(struct ioat_dma_chan *ioat_chan); + +static void ioat_dma_free_chan_resources(struct dma_chan *chan) +{ + struct ioat_dma_chan *ioat_chan = to_ioat_chan(chan); + struct ioat_device *ioat_device = to_ioat_device(chan->device); + struct ioat_desc_sw *desc, *_desc; + u16 chanctrl; + int in_use_descs = 0; + + ioat_dma_memcpy_cleanup(ioat_chan); + + ioatdma_chan_write8(ioat_chan, IOAT_CHANCMD_OFFSET, IOAT_CHANCMD_RESET); + + spin_lock_bh(&ioat_chan->desc_lock); + list_for_each_entry_safe(desc, _desc, &ioat_chan->used_desc, node) { + in_use_descs++; + list_del(&desc->node); + pci_pool_free(ioat_device->dma_pool, desc->hw, desc->phys); + kfree(desc); + } + list_for_each_entry_safe(desc, _desc, &ioat_chan->free_desc, node) { + list_del(&desc->node); + pci_pool_free(ioat_device->dma_pool, desc->hw, desc->phys); + kfree(desc); + } + spin_unlock_bh(&ioat_chan->desc_lock); + + pci_pool_free(ioat_device->completion_pool, + ioat_chan->completion_virt, + ioat_chan->completion_addr); + + /* one is ok since we left it on there on purpose */ + if (in_use_descs > 1) + printk(KERN_ERR "IOAT: Freeing %d in use descriptors!\n", + in_use_descs - 1); + + ioat_chan->last_completion = ioat_chan->completion_addr = 0; + + /* Tell hw the chan is free */ + chanctrl = ioatdma_chan_read16(ioat_chan, IOAT_CHANCTRL_OFFSET); + chanctrl &= ~IOAT_CHANCTRL_CHANNEL_IN_USE; + ioatdma_chan_write16(ioat_chan, IOAT_CHANCTRL_OFFSET, chanctrl); +} + +/** + * do_ioat_dma_memcpy - actual function that initiates a IOAT DMA transaction + * @chan: IOAT DMA channel handle + * @dest: DMA destination address + * @src: DMA source address + * @len: transaction length in bytes + */ + +static dma_cookie_t do_ioat_dma_memcpy(struct ioat_dma_chan *ioat_chan, + dma_addr_t dest, + dma_addr_t src, + size_t len) +{ + struct ioat_desc_sw *first; + struct ioat_desc_sw *prev; + struct ioat_desc_sw *new; + dma_cookie_t cookie; + LIST_HEAD(new_chain); + u32 copy; + size_t orig_len; + dma_addr_t orig_src, orig_dst; + unsigned int desc_count = 0; + unsigned int append = 0; + + if (!ioat_chan || !dest || !src) + return -EFAULT; + + if (!len) + return ioat_chan->common.cookie; + + orig_len = len; + orig_src = src; + orig_dst = dest; + + first = NULL; + prev = NULL; + + spin_lock_bh(&ioat_chan->desc_lock); + + while (len) { + if (!list_empty(&ioat_chan->free_desc)) { + new = to_ioat_desc(ioat_chan->free_desc.next); + list_del(&new->node); + } else { + /* try to get another desc */ + new = ioat_dma_alloc_descriptor(ioat_chan, GFP_ATOMIC); + /* will this ever happen? */ + /* TODO add upper limit on these */ + BUG_ON(!new); + } + + copy = min((u32) len, ioat_chan->xfercap); + + new->hw->size = copy; + new->hw->ctl = 0; + new->hw->src_addr = src; + new->hw->dst_addr = dest; + new->cookie = 0; + + /* chain together the physical address list for the HW */ + if (!first) + first = new; + else + prev->hw->next = (u64) new->phys; + + prev = new; + + len -= copy; + dest += copy; + src += copy; + + list_add_tail(&new->node, &new_chain); + desc_count++; + } + new->hw->ctl = IOAT_DMA_DESCRIPTOR_CTL_CP_STS; + new->hw->next = 0; + + /* cookie incr and addition to used_list must be atomic */ + + cookie = ioat_chan->common.cookie; + cookie++; + if (cookie < 0) + cookie = 1; + ioat_chan->common.cookie = new->cookie = cookie; + + pci_unmap_addr_set(new, src, orig_src); + pci_unmap_addr_set(new, dst, orig_dst); + pci_unmap_len_set(new, src_len, orig_len); + pci_unmap_len_set(new, dst_len, orig_len); + + /* write address into NextDescriptor field of last desc in chain */ + to_ioat_desc(ioat_chan->used_desc.prev)->hw->next = first->phys; + list_splice_init(&new_chain, ioat_chan->used_desc.prev); + + ioat_chan->pending += desc_count; + if (ioat_chan->pending >= 20) { + append = 1; + ioat_chan->pending = 0; + } + + spin_unlock_bh(&ioat_chan->desc_lock); + + if (append) + ioatdma_chan_write8(ioat_chan, + IOAT_CHANCMD_OFFSET, + IOAT_CHANCMD_APPEND); + return cookie; +} + +/** + * ioat_dma_memcpy_buf_to_buf - wrapper that takes src & dest bufs + * @chan: IOAT DMA channel handle + * @dest: DMA destination address + * @src: DMA source address + * @len: transaction length in bytes + */ + +static dma_cookie_t ioat_dma_memcpy_buf_to_buf(struct dma_chan *chan, + void *dest, + void *src, + size_t len) +{ + dma_addr_t dest_addr; + dma_addr_t src_addr; + struct ioat_dma_chan *ioat_chan = to_ioat_chan(chan); + + dest_addr = pci_map_single(ioat_chan->device->pdev, + dest, len, PCI_DMA_FROMDEVICE); + src_addr = pci_map_single(ioat_chan->device->pdev, + src, len, PCI_DMA_TODEVICE); + + return do_ioat_dma_memcpy(ioat_chan, dest_addr, src_addr, len); +} + +/** + * ioat_dma_memcpy_buf_to_pg - wrapper, copying from a buf to a page + * @chan: IOAT DMA channel handle + * @page: pointer to the page to copy to + * @offset: offset into that page + * @src: DMA source address + * @len: transaction length in bytes + */ + +static dma_cookie_t ioat_dma_memcpy_buf_to_pg(struct dma_chan *chan, + struct page *page, + unsigned int offset, + void *src, + size_t len) +{ + dma_addr_t dest_addr; + dma_addr_t src_addr; + struct ioat_dma_chan *ioat_chan = to_ioat_chan(chan); + + dest_addr = pci_map_page(ioat_chan->device->pdev, + page, offset, len, PCI_DMA_FROMDEVICE); + src_addr = pci_map_single(ioat_chan->device->pdev, + src, len, PCI_DMA_TODEVICE); + + return do_ioat_dma_memcpy(ioat_chan, dest_addr, src_addr, len); +} + +/** + * ioat_dma_memcpy_pg_to_pg - wrapper, copying between two pages + * @chan: IOAT DMA channel handle + * @dest_pg: pointer to the page to copy to + * @dest_off: offset into that page + * @src_pg: pointer to the page to copy from + * @src_off: offset into that page + * @len: transaction length in bytes. This is guaranteed to not make a copy + * across a page boundary. + */ + +static dma_cookie_t ioat_dma_memcpy_pg_to_pg(struct dma_chan *chan, + struct page *dest_pg, + unsigned int dest_off, + struct page *src_pg, + unsigned int src_off, + size_t len) +{ + dma_addr_t dest_addr; + dma_addr_t src_addr; + struct ioat_dma_chan *ioat_chan = to_ioat_chan(chan); + + dest_addr = pci_map_page(ioat_chan->device->pdev, + dest_pg, dest_off, len, PCI_DMA_FROMDEVICE); + src_addr = pci_map_page(ioat_chan->device->pdev, + src_pg, src_off, len, PCI_DMA_TODEVICE); + + return do_ioat_dma_memcpy(ioat_chan, dest_addr, src_addr, len); +} + +/** + * ioat_dma_memcpy_issue_pending - push potentially unrecognoized appended descriptors to hw + * @chan: DMA channel handle + */ + +static void ioat_dma_memcpy_issue_pending(struct dma_chan *chan) +{ + struct ioat_dma_chan *ioat_chan = to_ioat_chan(chan); + + if (ioat_chan->pending != 0) { + ioat_chan->pending = 0; + ioatdma_chan_write8(ioat_chan, + IOAT_CHANCMD_OFFSET, + IOAT_CHANCMD_APPEND); + } +} + +static void ioat_dma_memcpy_cleanup(struct ioat_dma_chan *chan) +{ + unsigned long phys_complete; + struct ioat_desc_sw *desc, *_desc; + dma_cookie_t cookie = 0; + + prefetch(chan->completion_virt); + + if (!spin_trylock(&chan->cleanup_lock)) + return; + + /* The completion writeback can happen at any time, + so reads by the driver need to be atomic operations + The descriptor physical addresses are limited to 32-bits + when the CPU can only do a 32-bit mov */ + +#if (BITS_PER_LONG == 64) + phys_complete = + chan->completion_virt->full & IOAT_CHANSTS_COMPLETED_DESCRIPTOR_ADDR; +#else + phys_complete = chan->completion_virt->low & IOAT_LOW_COMPLETION_MASK; +#endif + + if ((chan->completion_virt->full & IOAT_CHANSTS_DMA_TRANSFER_STATUS) == + IOAT_CHANSTS_DMA_TRANSFER_STATUS_HALTED) { + printk("IOAT: Channel halted, chanerr = %x\n", + ioatdma_chan_read32(chan, IOAT_CHANERR_OFFSET)); + + /* TODO do something to salvage the situation */ + } + + if (phys_complete == chan->last_completion) { + spin_unlock(&chan->cleanup_lock); + return; + } + + spin_lock_bh(&chan->desc_lock); + list_for_each_entry_safe(desc, _desc, &chan->used_desc, node) { + + /* + * Incoming DMA requests may use multiple descriptors, due to + * exceeding xfercap, perhaps. If so, only the last one will + * have a cookie, and require unmapping. + */ + if (desc->cookie) { + cookie = desc->cookie; + + /* yes we are unmapping both _page and _single alloc'd + regions with unmap_page. Is this *really* that bad? + */ + pci_unmap_page(chan->device->pdev, + pci_unmap_addr(desc, dst), + pci_unmap_len(desc, dst_len), + PCI_DMA_FROMDEVICE); + pci_unmap_page(chan->device->pdev, + pci_unmap_addr(desc, src), + pci_unmap_len(desc, src_len), + PCI_DMA_TODEVICE); + } + + if (desc->phys != phys_complete) { + /* a completed entry, but not the last, so cleanup */ + list_del(&desc->node); + list_add_tail(&desc->node, &chan->free_desc); + } else { + /* last used desc. Do not remove, so we can append from + it, but don't look at it next time, either */ + desc->cookie = 0; + + /* TODO check status bits? */ + break; + } + } + + spin_unlock_bh(&chan->desc_lock); + + chan->last_completion = phys_complete; + if (cookie != 0) + chan->completed_cookie = cookie; + + spin_unlock(&chan->cleanup_lock); +} + +/** + * ioat_dma_is_complete - poll the status of a IOAT DMA transaction + * @chan: IOAT DMA channel handle + * @cookie: DMA transaction identifier + */ + +static enum dma_status ioat_dma_is_complete(struct dma_chan *chan, + dma_cookie_t cookie, + dma_cookie_t *done, + dma_cookie_t *used) +{ + struct ioat_dma_chan *ioat_chan = to_ioat_chan(chan); + dma_cookie_t last_used; + dma_cookie_t last_complete; + enum dma_status ret; + + last_used = chan->cookie; + last_complete = ioat_chan->completed_cookie; + + if (done) + *done= last_complete; + if (used) + *used = last_used; + + ret = dma_async_is_complete(cookie, last_complete, last_used); + if (ret == DMA_SUCCESS) + return ret; + + ioat_dma_memcpy_cleanup(ioat_chan); + + last_used = chan->cookie; + last_complete = ioat_chan->completed_cookie; + + if (done) + *done= last_complete; + if (used) + *used = last_used; + + return dma_async_is_complete(cookie, last_complete, last_used); +} + +/* PCI API */ + +static struct pci_device_id ioat_pci_tbl[] = { + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT) }, + { 0, } +}; + +static struct pci_driver ioat_pci_drv = { + .name = "ioatdma", + .id_table = ioat_pci_tbl, + .probe = ioat_probe, + .remove = __devexit_p(ioat_remove), +}; + +static irqreturn_t ioat_do_interrupt(int irq, void *data, struct pt_regs *regs) +{ + struct ioat_device *instance = data; + unsigned long attnstatus; + u8 intrctrl; + + intrctrl = ioatdma_read8(instance, IOAT_INTRCTRL_OFFSET); + + if (!(intrctrl & IOAT_INTRCTRL_MASTER_INT_EN)) + return IRQ_NONE; + + if (!(intrctrl & IOAT_INTRCTRL_INT_STATUS)) { + ioatdma_write8(instance, IOAT_INTRCTRL_OFFSET, intrctrl); + return IRQ_NONE; + } + + attnstatus = ioatdma_read32(instance, IOAT_ATTNSTATUS_OFFSET); + + printk(KERN_ERR "ioatdma error: interrupt! status %lx\n", attnstatus); + + ioatdma_write8(instance, IOAT_INTRCTRL_OFFSET, intrctrl); + return IRQ_HANDLED; +} + +static void ioat_start_null_desc(struct ioat_dma_chan *ioat_chan) +{ + struct ioat_desc_sw *desc; + + spin_lock_bh(&ioat_chan->desc_lock); + + if (!list_empty(&ioat_chan->free_desc)) { + desc = to_ioat_desc(ioat_chan->free_desc.next); + list_del(&desc->node); + } else { + /* try to get another desc */ + spin_unlock_bh(&ioat_chan->desc_lock); + desc = ioat_dma_alloc_descriptor(ioat_chan, GFP_KERNEL); + spin_lock_bh(&ioat_chan->desc_lock); + /* will this ever happen? */ + BUG_ON(!desc); + } + + desc->hw->ctl = IOAT_DMA_DESCRIPTOR_NUL; + desc->hw->next = 0; + + list_add_tail(&desc->node, &ioat_chan->used_desc); + spin_unlock_bh(&ioat_chan->desc_lock); + +#if (BITS_PER_LONG == 64) + ioatdma_chan_write64(ioat_chan, IOAT_CHAINADDR_OFFSET, desc->phys); +#else + ioatdma_chan_write32(ioat_chan, + IOAT_CHAINADDR_OFFSET_LOW, + (u32) desc->phys); + ioatdma_chan_write32(ioat_chan, IOAT_CHAINADDR_OFFSET_HIGH, 0); +#endif + ioatdma_chan_write8(ioat_chan, IOAT_CHANCMD_OFFSET, IOAT_CHANCMD_START); +} + +/* + * Perform a IOAT transaction to verify the HW works. + */ +#define IOAT_TEST_SIZE 2000 + +static int ioat_self_test(struct ioat_device *device) +{ + int i; + u8 *src; + u8 *dest; + struct dma_chan *dma_chan; + dma_cookie_t cookie; + int err = 0; + + src = kzalloc(sizeof(u8) * IOAT_TEST_SIZE, SLAB_KERNEL); + if (!src) + return -ENOMEM; + dest = kzalloc(sizeof(u8) * IOAT_TEST_SIZE, SLAB_KERNEL); + if (!dest) { + kfree(src); + return -ENOMEM; + } + + /* Fill in src buffer */ + for (i = 0; i < IOAT_TEST_SIZE; i++) + src[i] = (u8)i; + + /* Start copy, using first DMA channel */ + dma_chan = container_of(device->common.channels.next, + struct dma_chan, + device_node); + if (ioat_dma_alloc_chan_resources(dma_chan) < 1) { + err = -ENODEV; + goto out; + } + + cookie = ioat_dma_memcpy_buf_to_buf(dma_chan, dest, src, IOAT_TEST_SIZE); + ioat_dma_memcpy_issue_pending(dma_chan); + msleep(1); + + if (ioat_dma_is_complete(dma_chan, cookie, NULL, NULL) != DMA_SUCCESS) { + printk(KERN_ERR "ioatdma: Self-test copy timed out, disabling\n"); + err = -ENODEV; + goto free_resources; + } + if (memcmp(src, dest, IOAT_TEST_SIZE)) { + printk(KERN_ERR "ioatdma: Self-test copy failed compare, disabling\n"); + err = -ENODEV; + goto free_resources; + } + +free_resources: + ioat_dma_free_chan_resources(dma_chan); +out: + kfree(src); + kfree(dest); + return err; +} + +static int __devinit ioat_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + int err; + unsigned long mmio_start, mmio_len; + void *reg_base; + struct ioat_device *device; + + err = pci_enable_device(pdev); + if (err) + goto err_enable_device; + + err = pci_set_dma_mask(pdev, DMA_64BIT_MASK); + if (err) + err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (err) + goto err_set_dma_mask; + + err = pci_request_regions(pdev, ioat_pci_drv.name); + if (err) + goto err_request_regions; + + mmio_start = pci_resource_start(pdev, 0); + mmio_len = pci_resource_len(pdev, 0); + + reg_base = ioremap(mmio_start, mmio_len); + if (!reg_base) { + err = -ENOMEM; + goto err_ioremap; + } + + device = kzalloc(sizeof(*device), GFP_KERNEL); + if (!device) { + err = -ENOMEM; + goto err_kzalloc; + } + + /* DMA coherent memory pool for DMA descriptor allocations */ + device->dma_pool = pci_pool_create("dma_desc_pool", pdev, + sizeof(struct ioat_dma_descriptor), 64, 0); + if (!device->dma_pool) { + err = -ENOMEM; + goto err_dma_pool; + } + + device->completion_pool = pci_pool_create("completion_pool", pdev, sizeof(u64), SMP_CACHE_BYTES, SMP_CACHE_BYTES); + if (!device->completion_pool) { + err = -ENOMEM; + goto err_completion_pool; + } + + device->pdev = pdev; + pci_set_drvdata(pdev, device); +#ifdef CONFIG_PCI_MSI + if (pci_enable_msi(pdev) == 0) { + device->msi = 1; + } else { + device->msi = 0; + } +#endif + err = request_irq(pdev->irq, &ioat_do_interrupt, SA_SHIRQ, "ioat", + device); + if (err) + goto err_irq; + + device->reg_base = reg_base; + + ioatdma_write8(device, IOAT_INTRCTRL_OFFSET, IOAT_INTRCTRL_MASTER_INT_EN); + pci_set_master(pdev); + + INIT_LIST_HEAD(&device->common.channels); + enumerate_dma_channels(device); + + device->common.device_alloc_chan_resources = ioat_dma_alloc_chan_resources; + device->common.device_free_chan_resources = ioat_dma_free_chan_resources; + device->common.device_memcpy_buf_to_buf = ioat_dma_memcpy_buf_to_buf; + device->common.device_memcpy_buf_to_pg = ioat_dma_memcpy_buf_to_pg; + device->common.device_memcpy_pg_to_pg = ioat_dma_memcpy_pg_to_pg; + device->common.device_memcpy_complete = ioat_dma_is_complete; + device->common.device_memcpy_issue_pending = ioat_dma_memcpy_issue_pending; + printk(KERN_INFO "Intel(R) I/OAT DMA Engine found, %d channels\n", + device->common.chancnt); + + err = ioat_self_test(device); + if (err) + goto err_self_test; + + dma_async_device_register(&device->common); + + return 0; + +err_self_test: +err_irq: + pci_pool_destroy(device->completion_pool); +err_completion_pool: + pci_pool_destroy(device->dma_pool); +err_dma_pool: + kfree(device); +err_kzalloc: + iounmap(reg_base); +err_ioremap: + pci_release_regions(pdev); +err_request_regions: +err_set_dma_mask: + pci_disable_device(pdev); +err_enable_device: + return err; +} + +static void __devexit ioat_remove(struct pci_dev *pdev) +{ + struct ioat_device *device; + struct dma_chan *chan, *_chan; + struct ioat_dma_chan *ioat_chan; + + device = pci_get_drvdata(pdev); + dma_async_device_unregister(&device->common); + + free_irq(device->pdev->irq, device); +#ifdef CONFIG_PCI_MSI + if (device->msi) + pci_disable_msi(device->pdev); +#endif + pci_pool_destroy(device->dma_pool); + pci_pool_destroy(device->completion_pool); + iounmap(device->reg_base); + pci_release_regions(pdev); + pci_disable_device(pdev); + list_for_each_entry_safe(chan, _chan, &device->common.channels, device_node) { + ioat_chan = to_ioat_chan(chan); + list_del(&chan->device_node); + kfree(ioat_chan); + } + kfree(device); +} + +/* MODULE API */ +MODULE_VERSION("1.7"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Intel Corporation"); + +static int __init ioat_init_module(void) +{ + /* it's currently unsafe to unload this module */ + /* if forced, worst case is that rmmod hangs */ + if (THIS_MODULE != NULL) + THIS_MODULE->unsafe = 1; + + return pci_module_init(&ioat_pci_drv); +} + +module_init(ioat_init_module); + +static void __exit ioat_exit_module(void) +{ + pci_unregister_driver(&ioat_pci_drv); +} + +module_exit(ioat_exit_module); diff --git a/drivers/dma/ioatdma.h b/drivers/dma/ioatdma.h new file mode 100644 index 000000000000..a5d3b3644160 --- /dev/null +++ b/drivers/dma/ioatdma.h @@ -0,0 +1,125 @@ +/* + * Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution in the + * file called COPYING. + */ +#ifndef IOATDMA_H +#define IOATDMA_H + +#include <linux/dmaengine.h> +#include "ioatdma_hw.h" +#include <linux/init.h> +#include <linux/dmapool.h> +#include <linux/cache.h> +#include <linux/pci_ids.h> + +#define IOAT_LOW_COMPLETION_MASK 0xffffffc0 + +extern struct list_head dma_device_list; +extern struct list_head dma_client_list; + +/** + * struct ioat_device - internal representation of a IOAT device + * @pdev: PCI-Express device + * @reg_base: MMIO register space base address + * @dma_pool: for allocating DMA descriptors + * @common: embedded struct dma_device + * @msi: Message Signaled Interrupt number + */ + +struct ioat_device { + struct pci_dev *pdev; + void *reg_base; + struct pci_pool *dma_pool; + struct pci_pool *completion_pool; + + struct dma_device common; + u8 msi; +}; + +/** + * struct ioat_dma_chan - internal representation of a DMA channel + * @device: + * @reg_base: + * @sw_in_use: + * @completion: + * @completion_low: + * @completion_high: + * @completed_cookie: last cookie seen completed on cleanup + * @cookie: value of last cookie given to client + * @last_completion: + * @xfercap: + * @desc_lock: + * @free_desc: + * @used_desc: + * @resource: + * @device_node: + */ + +struct ioat_dma_chan { + + void *reg_base; + + dma_cookie_t completed_cookie; + unsigned long last_completion; + + u32 xfercap; /* XFERCAP register value expanded out */ + + spinlock_t cleanup_lock; + spinlock_t desc_lock; + struct list_head free_desc; + struct list_head used_desc; + + int pending; + + struct ioat_device *device; + struct dma_chan common; + + dma_addr_t completion_addr; + union { + u64 full; /* HW completion writeback */ + struct { + u32 low; + u32 high; + }; + } *completion_virt; +}; + +/* wrapper around hardware descriptor format + additional software fields */ + +/** + * struct ioat_desc_sw - wrapper around hardware descriptor + * @hw: hardware DMA descriptor + * @node: + * @cookie: + * @phys: + */ + +struct ioat_desc_sw { + struct ioat_dma_descriptor *hw; + struct list_head node; + dma_cookie_t cookie; + dma_addr_t phys; + DECLARE_PCI_UNMAP_ADDR(src) + DECLARE_PCI_UNMAP_LEN(src_len) + DECLARE_PCI_UNMAP_ADDR(dst) + DECLARE_PCI_UNMAP_LEN(dst_len) +}; + +#endif /* IOATDMA_H */ + diff --git a/drivers/dma/ioatdma_hw.h b/drivers/dma/ioatdma_hw.h new file mode 100644 index 000000000000..4d7a12880be3 --- /dev/null +++ b/drivers/dma/ioatdma_hw.h @@ -0,0 +1,52 @@ +/* + * Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution in the + * file called COPYING. + */ +#ifndef _IOAT_HW_H_ +#define _IOAT_HW_H_ + +/* PCI Configuration Space Values */ +#define IOAT_PCI_VID 0x8086 +#define IOAT_PCI_DID 0x1A38 +#define IOAT_PCI_RID 0x00 +#define IOAT_PCI_SVID 0x8086 +#define IOAT_PCI_SID 0x8086 +#define IOAT_VER 0x12 /* Version 1.2 */ + +struct ioat_dma_descriptor { + uint32_t size; + uint32_t ctl; + uint64_t src_addr; + uint64_t dst_addr; + uint64_t next; + uint64_t rsv1; + uint64_t rsv2; + uint64_t user1; + uint64_t user2; +}; + +#define IOAT_DMA_DESCRIPTOR_CTL_INT_GN 0x00000001 +#define IOAT_DMA_DESCRIPTOR_CTL_SRC_SN 0x00000002 +#define IOAT_DMA_DESCRIPTOR_CTL_DST_SN 0x00000004 +#define IOAT_DMA_DESCRIPTOR_CTL_CP_STS 0x00000008 +#define IOAT_DMA_DESCRIPTOR_CTL_FRAME 0x00000010 +#define IOAT_DMA_DESCRIPTOR_NUL 0x00000020 +#define IOAT_DMA_DESCRIPTOR_OPCODE 0xFF000000 + +#endif diff --git a/drivers/dma/ioatdma_io.h b/drivers/dma/ioatdma_io.h new file mode 100644 index 000000000000..c0b4bf66c920 --- /dev/null +++ b/drivers/dma/ioatdma_io.h @@ -0,0 +1,118 @@ +/* + * Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution in the + * file called COPYING. + */ +#ifndef IOATDMA_IO_H +#define IOATDMA_IO_H + +#include <asm/io.h> + +/* + * device and per-channel MMIO register read and write functions + * this is a lot of anoying inline functions, but it's typesafe + */ + +static inline u8 ioatdma_read8(struct ioat_device *device, + unsigned int offset) +{ + return readb(device->reg_base + offset); +} + +static inline u16 ioatdma_read16(struct ioat_device *device, + unsigned int offset) +{ + return readw(device->reg_base + offset); +} + +static inline u32 ioatdma_read32(struct ioat_device *device, + unsigned int offset) +{ + return readl(device->reg_base + offset); +} + +static inline void ioatdma_write8(struct ioat_device *device, + unsigned int offset, u8 value) +{ + writeb(value, device->reg_base + offset); +} + +static inline void ioatdma_write16(struct ioat_device *device, + unsigned int offset, u16 value) +{ + writew(value, device->reg_base + offset); +} + +static inline void ioatdma_write32(struct ioat_device *device, + unsigned int offset, u32 value) +{ + writel(value, device->reg_base + offset); +} + +static inline u8 ioatdma_chan_read8(struct ioat_dma_chan *chan, + unsigned int offset) +{ + return readb(chan->reg_base + offset); +} + +static inline u16 ioatdma_chan_read16(struct ioat_dma_chan *chan, + unsigned int offset) +{ + return readw(chan->reg_base + offset); +} + +static inline u32 ioatdma_chan_read32(struct ioat_dma_chan *chan, + unsigned int offset) +{ + return readl(chan->reg_base + offset); +} + +static inline void ioatdma_chan_write8(struct ioat_dma_chan *chan, + unsigned int offset, u8 value) +{ + writeb(value, chan->reg_base + offset); +} + +static inline void ioatdma_chan_write16(struct ioat_dma_chan *chan, + unsigned int offset, u16 value) +{ + writew(value, chan->reg_base + offset); +} + +static inline void ioatdma_chan_write32(struct ioat_dma_chan *chan, + unsigned int offset, u32 value) +{ + writel(value, chan->reg_base + offset); +} + +#if (BITS_PER_LONG == 64) +static inline u64 ioatdma_chan_read64(struct ioat_dma_chan *chan, + unsigned int offset) +{ + return readq(chan->reg_base + offset); +} + +static inline void ioatdma_chan_write64(struct ioat_dma_chan *chan, + unsigned int offset, u64 value) +{ + writeq(value, chan->reg_base + offset); +} +#endif + +#endif /* IOATDMA_IO_H */ + diff --git a/drivers/dma/ioatdma_registers.h b/drivers/dma/ioatdma_registers.h new file mode 100644 index 000000000000..41a21ab2b000 --- /dev/null +++ b/drivers/dma/ioatdma_registers.h @@ -0,0 +1,126 @@ +/* + * Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution in the + * file called COPYING. + */ +#ifndef _IOAT_REGISTERS_H_ +#define _IOAT_REGISTERS_H_ + + +/* MMIO Device Registers */ +#define IOAT_CHANCNT_OFFSET 0x00 /* 8-bit */ + +#define IOAT_XFERCAP_OFFSET 0x01 /* 8-bit */ +#define IOAT_XFERCAP_4KB 12 +#define IOAT_XFERCAP_8KB 13 +#define IOAT_XFERCAP_16KB 14 +#define IOAT_XFERCAP_32KB 15 +#define IOAT_XFERCAP_32GB 0 + +#define IOAT_GENCTRL_OFFSET 0x02 /* 8-bit */ +#define IOAT_GENCTRL_DEBUG_EN 0x01 + +#define IOAT_INTRCTRL_OFFSET 0x03 /* 8-bit */ +#define IOAT_INTRCTRL_MASTER_INT_EN 0x01 /* Master Interrupt Enable */ +#define IOAT_INTRCTRL_INT_STATUS 0x02 /* ATTNSTATUS -or- Channel Int */ +#define IOAT_INTRCTRL_INT 0x04 /* INT_STATUS -and- MASTER_INT_EN */ + +#define IOAT_ATTNSTATUS_OFFSET 0x04 /* Each bit is a channel */ + +#define IOAT_VER_OFFSET 0x08 /* 8-bit */ +#define IOAT_VER_MAJOR_MASK 0xF0 +#define IOAT_VER_MINOR_MASK 0x0F +#define GET_IOAT_VER_MAJOR(x) ((x) & IOAT_VER_MAJOR_MASK) +#define GET_IOAT_VER_MINOR(x) ((x) & IOAT_VER_MINOR_MASK) + +#define IOAT_PERPORTOFFSET_OFFSET 0x0A /* 16-bit */ + +#define IOAT_INTRDELAY_OFFSET 0x0C /* 16-bit */ +#define IOAT_INTRDELAY_INT_DELAY_MASK 0x3FFF /* Interrupt Delay Time */ +#define IOAT_INTRDELAY_COALESE_SUPPORT 0x8000 /* Interrupt Coalesing Supported */ + +#define IOAT_DEVICE_STATUS_OFFSET 0x0E /* 16-bit */ +#define IOAT_DEVICE_STATUS_DEGRADED_MODE 0x0001 + + +#define IOAT_CHANNEL_MMIO_SIZE 0x80 /* Each Channel MMIO space is this size */ + +/* DMA Channel Registers */ +#define IOAT_CHANCTRL_OFFSET 0x00 /* 16-bit Channel Control Register */ +#define IOAT_CHANCTRL_CHANNEL_PRIORITY_MASK 0xF000 +#define IOAT_CHANCTRL_CHANNEL_IN_USE 0x0100 +#define IOAT_CHANCTRL_DESCRIPTOR_ADDR_SNOOP_CONTROL 0x0020 +#define IOAT_CHANCTRL_ERR_INT_EN 0x0010 +#define IOAT_CHANCTRL_ANY_ERR_ABORT_EN 0x0008 +#define IOAT_CHANCTRL_ERR_COMPLETION_EN 0x0004 +#define IOAT_CHANCTRL_INT_DISABLE 0x0001 + +#define IOAT_DMA_COMP_OFFSET 0x02 /* 16-bit DMA channel compatability */ +#define IOAT_DMA_COMP_V1 0x0001 /* Compatability with DMA version 1 */ + +#define IOAT_CHANSTS_OFFSET 0x04 /* 64-bit Channel Status Register */ +#define IOAT_CHANSTS_OFFSET_LOW 0x04 +#define IOAT_CHANSTS_OFFSET_HIGH 0x08 +#define IOAT_CHANSTS_COMPLETED_DESCRIPTOR_ADDR 0xFFFFFFFFFFFFFFC0 +#define IOAT_CHANSTS_SOFT_ERR 0x0000000000000010 +#define IOAT_CHANSTS_DMA_TRANSFER_STATUS 0x0000000000000007 +#define IOAT_CHANSTS_DMA_TRANSFER_STATUS_ACTIVE 0x0 +#define IOAT_CHANSTS_DMA_TRANSFER_STATUS_DONE 0x1 +#define IOAT_CHANSTS_DMA_TRANSFER_STATUS_SUSPENDED 0x2 +#define IOAT_CHANSTS_DMA_TRANSFER_STATUS_HALTED 0x3 + +#define IOAT_CHAINADDR_OFFSET 0x0C /* 64-bit Descriptor Chain Address Register */ +#define IOAT_CHAINADDR_OFFSET_LOW 0x0C +#define IOAT_CHAINADDR_OFFSET_HIGH 0x10 + +#define IOAT_CHANCMD_OFFSET 0x14 /* 8-bit DMA Channel Command Register */ +#define IOAT_CHANCMD_RESET 0x20 +#define IOAT_CHANCMD_RESUME 0x10 +#define IOAT_CHANCMD_ABORT 0x08 +#define IOAT_CHANCMD_SUSPEND 0x04 +#define IOAT_CHANCMD_APPEND 0x02 +#define IOAT_CHANCMD_START 0x01 + +#define IOAT_CHANCMP_OFFSET 0x18 /* 64-bit Channel Completion Address Register */ +#define IOAT_CHANCMP_OFFSET_LOW 0x18 +#define IOAT_CHANCMP_OFFSET_HIGH 0x1C + +#define IOAT_CDAR_OFFSET 0x20 /* 64-bit Current Descriptor Address Register */ +#define IOAT_CDAR_OFFSET_LOW 0x20 +#define IOAT_CDAR_OFFSET_HIGH 0x24 + +#define IOAT_CHANERR_OFFSET 0x28 /* 32-bit Channel Error Register */ +#define IOAT_CHANERR_DMA_TRANSFER_SRC_ADDR_ERR 0x0001 +#define IOAT_CHANERR_DMA_TRANSFER_DEST_ADDR_ERR 0x0002 +#define IOAT_CHANERR_NEXT_DESCRIPTOR_ADDR_ERR 0x0004 +#define IOAT_CHANERR_NEXT_DESCRIPTOR_ALIGNMENT_ERR 0x0008 +#define IOAT_CHANERR_CHAIN_ADDR_VALUE_ERR 0x0010 +#define IOAT_CHANERR_CHANCMD_ERR 0x0020 +#define IOAT_CHANERR_CHIPSET_UNCORRECTABLE_DATA_INTEGRITY_ERR 0x0040 +#define IOAT_CHANERR_DMA_UNCORRECTABLE_DATA_INTEGRITY_ERR 0x0080 +#define IOAT_CHANERR_READ_DATA_ERR 0x0100 +#define IOAT_CHANERR_WRITE_DATA_ERR 0x0200 +#define IOAT_CHANERR_DESCRIPTOR_CONTROL_ERR 0x0400 +#define IOAT_CHANERR_DESCRIPTOR_LENGTH_ERR 0x0800 +#define IOAT_CHANERR_COMPLETION_ADDR_ERR 0x1000 +#define IOAT_CHANERR_INT_CONFIGURATION_ERR 0x2000 +#define IOAT_CHANERR_SOFT_ERR 0x4000 + +#define IOAT_CHANERR_MASK_OFFSET 0x2C /* 32-bit Channel Error Register */ + +#endif /* _IOAT_REGISTERS_H_ */ diff --git a/drivers/dma/iovlock.c b/drivers/dma/iovlock.c new file mode 100644 index 000000000000..5ed327e453a2 --- /dev/null +++ b/drivers/dma/iovlock.c @@ -0,0 +1,301 @@ +/* + * Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved. + * Portions based on net/core/datagram.c and copyrighted by their authors. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution in the + * file called COPYING. + */ + +/* + * This code allows the net stack to make use of a DMA engine for + * skb to iovec copies. + */ + +#include <linux/dmaengine.h> +#include <linux/pagemap.h> +#include <net/tcp.h> /* for memcpy_toiovec */ +#include <asm/io.h> +#include <asm/uaccess.h> + +int num_pages_spanned(struct iovec *iov) +{ + return + ((PAGE_ALIGN((unsigned long)iov->iov_base + iov->iov_len) - + ((unsigned long)iov->iov_base & PAGE_MASK)) >> PAGE_SHIFT); +} + +/* + * Pin down all the iovec pages needed for len bytes. + * Return a struct dma_pinned_list to keep track of pages pinned down. + * + * We are allocating a single chunk of memory, and then carving it up into + * 3 sections, the latter 2 whose size depends on the number of iovecs and the + * total number of pages, respectively. + */ +struct dma_pinned_list *dma_pin_iovec_pages(struct iovec *iov, size_t len) +{ + struct dma_pinned_list *local_list; + struct page **pages; + int i; + int ret; + int nr_iovecs = 0; + int iovec_len_used = 0; + int iovec_pages_used = 0; + long err; + + /* don't pin down non-user-based iovecs */ + if (segment_eq(get_fs(), KERNEL_DS)) + return NULL; + + /* determine how many iovecs/pages there are, up front */ + do { + iovec_len_used += iov[nr_iovecs].iov_len; + iovec_pages_used += num_pages_spanned(&iov[nr_iovecs]); + nr_iovecs++; + } while (iovec_len_used < len); + + /* single kmalloc for pinned list, page_list[], and the page arrays */ + local_list = kmalloc(sizeof(*local_list) + + (nr_iovecs * sizeof (struct dma_page_list)) + + (iovec_pages_used * sizeof (struct page*)), GFP_KERNEL); + if (!local_list) { + err = -ENOMEM; + goto out; + } + + /* list of pages starts right after the page list array */ + pages = (struct page **) &local_list->page_list[nr_iovecs]; + + for (i = 0; i < nr_iovecs; i++) { + struct dma_page_list *page_list = &local_list->page_list[i]; + + len -= iov[i].iov_len; + + if (!access_ok(VERIFY_WRITE, iov[i].iov_base, iov[i].iov_len)) { + err = -EFAULT; + goto unpin; + } + + page_list->nr_pages = num_pages_spanned(&iov[i]); + page_list->base_address = iov[i].iov_base; + + page_list->pages = pages; + pages += page_list->nr_pages; + + /* pin pages down */ + down_read(¤t->mm->mmap_sem); + ret = get_user_pages( + current, + current->mm, + (unsigned long) iov[i].iov_base, + page_list->nr_pages, + 1, /* write */ + 0, /* force */ + page_list->pages, + NULL); + up_read(¤t->mm->mmap_sem); + + if (ret != page_list->nr_pages) { + err = -ENOMEM; + goto unpin; + } + + local_list->nr_iovecs = i + 1; + } + + return local_list; + +unpin: + dma_unpin_iovec_pages(local_list); +out: + return ERR_PTR(err); +} + +void dma_unpin_iovec_pages(struct dma_pinned_list *pinned_list) +{ + int i, j; + + if (!pinned_list) + return; + + for (i = 0; i < pinned_list->nr_iovecs; i++) { + struct dma_page_list *page_list = &pinned_list->page_list[i]; + for (j = 0; j < page_list->nr_pages; j++) { + set_page_dirty_lock(page_list->pages[j]); + page_cache_release(page_list->pages[j]); + } + } + + kfree(pinned_list); +} + +static dma_cookie_t dma_memcpy_to_kernel_iovec(struct dma_chan *chan, struct + iovec *iov, unsigned char *kdata, size_t len) +{ + dma_cookie_t dma_cookie = 0; + + while (len > 0) { + if (iov->iov_len) { + int copy = min_t(unsigned int, iov->iov_len, len); + dma_cookie = dma_async_memcpy_buf_to_buf( + chan, + iov->iov_base, + kdata, + copy); + kdata += copy; + len -= copy; + iov->iov_len -= copy; + iov->iov_base += copy; + } + iov++; + } + + return dma_cookie; +} + +/* + * We have already pinned down the pages we will be using in the iovecs. + * Each entry in iov array has corresponding entry in pinned_list->page_list. + * Using array indexing to keep iov[] and page_list[] in sync. + * Initial elements in iov array's iov->iov_len will be 0 if already copied into + * by another call. + * iov array length remaining guaranteed to be bigger than len. + */ +dma_cookie_t dma_memcpy_to_iovec(struct dma_chan *chan, struct iovec *iov, + struct dma_pinned_list *pinned_list, unsigned char *kdata, size_t len) +{ + int iov_byte_offset; + int copy; + dma_cookie_t dma_cookie = 0; + int iovec_idx; + int page_idx; + + if (!chan) + return memcpy_toiovec(iov, kdata, len); + + /* -> kernel copies (e.g. smbfs) */ + if (!pinned_list) + return dma_memcpy_to_kernel_iovec(chan, iov, kdata, len); + + iovec_idx = 0; + while (iovec_idx < pinned_list->nr_iovecs) { + struct dma_page_list *page_list; + + /* skip already used-up iovecs */ + while (!iov[iovec_idx].iov_len) + iovec_idx++; + + page_list = &pinned_list->page_list[iovec_idx]; + + iov_byte_offset = ((unsigned long)iov[iovec_idx].iov_base & ~PAGE_MASK); + page_idx = (((unsigned long)iov[iovec_idx].iov_base & PAGE_MASK) + - ((unsigned long)page_list->base_address & PAGE_MASK)) >> PAGE_SHIFT; + + /* break up copies to not cross page boundary */ + while (iov[iovec_idx].iov_len) { + copy = min_t(int, PAGE_SIZE - iov_byte_offset, len); + copy = min_t(int, copy, iov[iovec_idx].iov_len); + + dma_cookie = dma_async_memcpy_buf_to_pg(chan, + page_list->pages[page_idx], + iov_byte_offset, + kdata, + copy); + + len -= copy; + iov[iovec_idx].iov_len -= copy; + iov[iovec_idx].iov_base += copy; + + if (!len) + return dma_cookie; + + kdata += copy; + iov_byte_offset = 0; + page_idx++; + } + iovec_idx++; + } + + /* really bad if we ever run out of iovecs */ + BUG(); + return -EFAULT; +} + +dma_cookie_t dma_memcpy_pg_to_iovec(struct dma_chan *chan, struct iovec *iov, + struct dma_pinned_list *pinned_list, struct page *page, + unsigned int offset, size_t len) +{ + int iov_byte_offset; + int copy; + dma_cookie_t dma_cookie = 0; + int iovec_idx; + int page_idx; + int err; + + /* this needs as-yet-unimplemented buf-to-buff, so punt. */ + /* TODO: use dma for this */ + if (!chan || !pinned_list) { + u8 *vaddr = kmap(page); + err = memcpy_toiovec(iov, vaddr + offset, len); + kunmap(page); + return err; + } + + iovec_idx = 0; + while (iovec_idx < pinned_list->nr_iovecs) { + struct dma_page_list *page_list; + + /* skip already used-up iovecs */ + while (!iov[iovec_idx].iov_len) + iovec_idx++; + + page_list = &pinned_list->page_list[iovec_idx]; + + iov_byte_offset = ((unsigned long)iov[iovec_idx].iov_base & ~PAGE_MASK); + page_idx = (((unsigned long)iov[iovec_idx].iov_base & PAGE_MASK) + - ((unsigned long)page_list->base_address & PAGE_MASK)) >> PAGE_SHIFT; + + /* break up copies to not cross page boundary */ + while (iov[iovec_idx].iov_len) { + copy = min_t(int, PAGE_SIZE - iov_byte_offset, len); + copy = min_t(int, copy, iov[iovec_idx].iov_len); + + dma_cookie = dma_async_memcpy_pg_to_pg(chan, + page_list->pages[page_idx], + iov_byte_offset, + page, + offset, + copy); + + len -= copy; + iov[iovec_idx].iov_len -= copy; + iov[iovec_idx].iov_base += copy; + + if (!len) + return dma_cookie; + + offset += copy; + iov_byte_offset = 0; + page_idx++; + } + iovec_idx++; + } + + /* really bad if we ever run out of iovecs */ + BUG(); + return -EFAULT; +} diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig index afc612b8577d..ba2d6505e9a4 100644 --- a/drivers/infiniband/Kconfig +++ b/drivers/infiniband/Kconfig @@ -29,6 +29,11 @@ config INFINIBAND_USER_ACCESS libibverbs, libibcm and a hardware driver library from <http://www.openib.org>. +config INFINIBAND_ADDR_TRANS + bool + depends on INFINIBAND && INET + default y + source "drivers/infiniband/hw/mthca/Kconfig" source "drivers/infiniband/hw/ipath/Kconfig" diff --git a/drivers/infiniband/core/Makefile b/drivers/infiniband/core/Makefile index ec3353f24b27..68e73ec2d1f8 100644 --- a/drivers/infiniband/core/Makefile +++ b/drivers/infiniband/core/Makefile @@ -1,5 +1,7 @@ +infiniband-$(CONFIG_INFINIBAND_ADDR_TRANS) := ib_addr.o rdma_cm.o + obj-$(CONFIG_INFINIBAND) += ib_core.o ib_mad.o ib_sa.o \ - ib_cm.o + ib_cm.o $(infiniband-y) obj-$(CONFIG_INFINIBAND_USER_MAD) += ib_umad.o obj-$(CONFIG_INFINIBAND_USER_ACCESS) += ib_uverbs.o ib_ucm.o @@ -12,8 +14,13 @@ ib_sa-y := sa_query.o ib_cm-y := cm.o +rdma_cm-y := cma.o + +ib_addr-y := addr.o + ib_umad-y := user_mad.o ib_ucm-y := ucm.o -ib_uverbs-y := uverbs_main.o uverbs_cmd.o uverbs_mem.o +ib_uverbs-y := uverbs_main.o uverbs_cmd.o uverbs_mem.o \ + uverbs_marshall.o diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c new file mode 100644 index 000000000000..d294bbc42f09 --- /dev/null +++ b/drivers/infiniband/core/addr.c @@ -0,0 +1,367 @@ +/* + * Copyright (c) 2005 Voltaire Inc. All rights reserved. + * Copyright (c) 2002-2005, Network Appliance, Inc. All rights reserved. + * Copyright (c) 1999-2005, Mellanox Technologies, Inc. All rights reserved. + * Copyright (c) 2005 Intel Corporation. All rights reserved. + * + * This Software is licensed under one of the following licenses: + * + * 1) under the terms of the "Common Public License 1.0" a copy of which is + * available from the Open Source Initiative, see + * http://www.opensource.org/licenses/cpl.php. + * + * 2) under the terms of the "The BSD License" a copy of which is + * available from the Open Source Initiative, see + * http://www.opensource.org/licenses/bsd-license.php. + * + * 3) under the terms of the "GNU General Public License (GPL) Version 2" a + * copy of which is available from the Open Source Initiative, see + * http://www.opensource.org/licenses/gpl-license.php. + * + * Licensee has the right to choose one of the above licenses. + * + * Redistributions of source code must retain the above copyright + * notice and one of the license notices. + * + * Redistributions in binary form must reproduce both the above copyright + * notice, one of the license notices in the documentation + * and/or other materials provided with the distribution. + */ + +#include <linux/mutex.h> +#include <linux/inetdevice.h> +#include <linux/workqueue.h> +#include <linux/if_arp.h> +#include <net/arp.h> +#include <net/neighbour.h> +#include <net/route.h> +#include <rdma/ib_addr.h> + +MODULE_AUTHOR("Sean Hefty"); +MODULE_DESCRIPTION("IB Address Translation"); +MODULE_LICENSE("Dual BSD/GPL"); + +struct addr_req { + struct list_head list; + struct sockaddr src_addr; + struct sockaddr dst_addr; + struct rdma_dev_addr *addr; + void *context; + void (*callback)(int status, struct sockaddr *src_addr, + struct rdma_dev_addr *addr, void *context); + unsigned long timeout; + int status; +}; + +static void process_req(void *data); + +static DEFINE_MUTEX(lock); +static LIST_HEAD(req_list); +static DECLARE_WORK(work, process_req, NULL); +static struct workqueue_struct *addr_wq; + +static int copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev, + unsigned char *dst_dev_addr) +{ + switch (dev->type) { + case ARPHRD_INFINIBAND: + dev_addr->dev_type = IB_NODE_CA; + break; + default: + return -EADDRNOTAVAIL; + } + + memcpy(dev_addr->src_dev_addr, dev->dev_addr, MAX_ADDR_LEN); + memcpy(dev_addr->broadcast, dev->broadcast, MAX_ADDR_LEN); + if (dst_dev_addr) + memcpy(dev_addr->dst_dev_addr, dst_dev_addr, MAX_ADDR_LEN); + return 0; +} + +int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr) +{ + struct net_device *dev; + u32 ip = ((struct sockaddr_in *) addr)->sin_addr.s_addr; + int ret; + + dev = ip_dev_find(ip); + if (!dev) + return -EADDRNOTAVAIL; + + ret = copy_addr(dev_addr, dev, NULL); + dev_put(dev); + return ret; +} +EXPORT_SYMBOL(rdma_translate_ip); + +static void set_timeout(unsigned long time) +{ + unsigned long delay; + + cancel_delayed_work(&work); + + delay = time - jiffies; + if ((long)delay <= 0) + delay = 1; + + queue_delayed_work(addr_wq, &work, delay); +} + +static void queue_req(struct addr_req *req) +{ + struct addr_req *temp_req; + + mutex_lock(&lock); + list_for_each_entry_reverse(temp_req, &req_list, list) { + if (time_after(req->timeout, temp_req->timeout)) + break; + } + + list_add(&req->list, &temp_req->list); + + if (req_list.next == &req->list) + set_timeout(req->timeout); + mutex_unlock(&lock); +} + +static void addr_send_arp(struct sockaddr_in *dst_in) +{ + struct rtable *rt; + struct flowi fl; + u32 dst_ip = dst_in->sin_addr.s_addr; + + memset(&fl, 0, sizeof fl); + fl.nl_u.ip4_u.daddr = dst_ip; + if (ip_route_output_key(&rt, &fl)) + return; + + arp_send(ARPOP_REQUEST, ETH_P_ARP, rt->rt_gateway, rt->idev->dev, + rt->rt_src, NULL, rt->idev->dev->dev_addr, NULL); + ip_rt_put(rt); +} + +static int addr_resolve_remote(struct sockaddr_in *src_in, + struct sockaddr_in *dst_in, + struct rdma_dev_addr *addr) +{ + u32 src_ip = src_in->sin_addr.s_addr; + u32 dst_ip = dst_in->sin_addr.s_addr; + struct flowi fl; + struct rtable *rt; + struct neighbour *neigh; + int ret; + + memset(&fl, 0, sizeof fl); + fl.nl_u.ip4_u.daddr = dst_ip; + fl.nl_u.ip4_u.saddr = src_ip; + ret = ip_route_output_key(&rt, &fl); + if (ret) + goto out; + + /* If the device does ARP internally, return 'done' */ + if (rt->idev->dev->flags & IFF_NOARP) { + copy_addr(addr, rt->idev->dev, NULL); + goto put; + } + + neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, rt->idev->dev); + if (!neigh) { + ret = -ENODATA; + goto put; + } + + if (!(neigh->nud_state & NUD_VALID)) { + ret = -ENODATA; + goto release; + } + + if (!src_ip) { + src_in->sin_family = dst_in->sin_family; + src_in->sin_addr.s_addr = rt->rt_src; + } + + ret = copy_addr(addr, neigh->dev, neigh->ha); +release: + neigh_release(neigh); +put: + ip_rt_put(rt); +out: + return ret; +} + +static void process_req(void *data) +{ + struct addr_req *req, *temp_req; + struct sockaddr_in *src_in, *dst_in; + struct list_head done_list; + + INIT_LIST_HEAD(&done_list); + + mutex_lock(&lock); + list_for_each_entry_safe(req, temp_req, &req_list, list) { + if (req->status) { + src_in = (struct sockaddr_in *) &req->src_addr; + dst_in = (struct sockaddr_in *) &req->dst_addr; + req->status = addr_resolve_remote(src_in, dst_in, + req->addr); + } + if (req->status && time_after(jiffies, req->timeout)) + req->status = -ETIMEDOUT; + else if (req->status == -ENODATA) + continue; + + list_del(&req->list); + list_add_tail(&req->list, &done_list); + } + + if (!list_empty(&req_list)) { + req = list_entry(req_list.next, struct addr_req, list); + set_timeout(req->timeout); + } + mutex_unlock(&lock); + + list_for_each_entry_safe(req, temp_req, &done_list, list) { + list_del(&req->list); + req->callback(req->status, &req->src_addr, req->addr, + req->context); + kfree(req); + } +} + +static int addr_resolve_local(struct sockaddr_in *src_in, + struct sockaddr_in *dst_in, + struct rdma_dev_addr *addr) +{ + struct net_device *dev; + u32 src_ip = src_in->sin_addr.s_addr; + u32 dst_ip = dst_in->sin_addr.s_addr; + int ret; + + dev = ip_dev_find(dst_ip); + if (!dev) + return -EADDRNOTAVAIL; + + if (ZERONET(src_ip)) { + src_in->sin_family = dst_in->sin_family; + src_in->sin_addr.s_addr = dst_ip; + ret = copy_addr(addr, dev, dev->dev_addr); + } else if (LOOPBACK(src_ip)) { + ret = rdma_translate_ip((struct sockaddr *)dst_in, addr); + if (!ret) + memcpy(addr->dst_dev_addr, dev->dev_addr, MAX_ADDR_LEN); + } else { + ret = rdma_translate_ip((struct sockaddr *)src_in, addr); + if (!ret) + memcpy(addr->dst_dev_addr, dev->dev_addr, MAX_ADDR_LEN); + } + + dev_put(dev); + return ret; +} + +int rdma_resolve_ip(struct sockaddr *src_addr, struct sockaddr *dst_addr, + struct rdma_dev_addr *addr, int timeout_ms, + void (*callback)(int status, struct sockaddr *src_addr, + struct rdma_dev_addr *addr, void *context), + void *context) +{ + struct sockaddr_in *src_in, *dst_in; + struct addr_req *req; + int ret = 0; + + req = kmalloc(sizeof *req, GFP_KERNEL); + if (!req) + return -ENOMEM; + memset(req, 0, sizeof *req); + + if (src_addr) + memcpy(&req->src_addr, src_addr, ip_addr_size(src_addr)); + memcpy(&req->dst_addr, dst_addr, ip_addr_size(dst_addr)); + req->addr = addr; + req->callback = callback; + req->context = context; + + src_in = (struct sockaddr_in *) &req->src_addr; + dst_in = (struct sockaddr_in *) &req->dst_addr; + + req->status = addr_resolve_local(src_in, dst_in, addr); + if (req->status == -EADDRNOTAVAIL) + req->status = addr_resolve_remote(src_in, dst_in, addr); + + switch (req->status) { + case 0: + req->timeout = jiffies; + queue_req(req); + break; + case -ENODATA: + req->timeout = msecs_to_jiffies(timeout_ms) + jiffies; + queue_req(req); + addr_send_arp(dst_in); + break; + default: + ret = req->status; + kfree(req); + break; + } + return ret; +} +EXPORT_SYMBOL(rdma_resolve_ip); + +void rdma_addr_cancel(struct rdma_dev_addr *addr) +{ + struct addr_req *req, *temp_req; + + mutex_lock(&lock); + list_for_each_entry_safe(req, temp_req, &req_list, list) { + if (req->addr == addr) { + req->status = -ECANCELED; + req->timeout = jiffies; + list_del(&req->list); + list_add(&req->list, &req_list); + set_timeout(req->timeout); + break; + } + } + mutex_unlock(&lock); +} +EXPORT_SYMBOL(rdma_addr_cancel); + +static int addr_arp_recv(struct sk_buff *skb, struct net_device *dev, + struct packet_type *pkt, struct net_device *orig_dev) +{ + struct arphdr *arp_hdr; + + arp_hdr = (struct arphdr *) skb->nh.raw; + + if (arp_hdr->ar_op == htons(ARPOP_REQUEST) || + arp_hdr->ar_op == htons(ARPOP_REPLY)) + set_timeout(jiffies); + + kfree_skb(skb); + return 0; +} + +static struct packet_type addr_arp = { + .type = __constant_htons(ETH_P_ARP), + .func = addr_arp_recv, + .af_packet_priv = (void*) 1, +}; + +static int addr_init(void) +{ + addr_wq = create_singlethread_workqueue("ib_addr_wq"); + if (!addr_wq) + return -ENOMEM; + + dev_add_pack(&addr_arp); + return 0; +} + +static void addr_cleanup(void) +{ + dev_remove_pack(&addr_arp); + destroy_workqueue(addr_wq); +} + +module_init(addr_init); +module_exit(addr_cleanup); diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c index 50364c0b090c..e05ca2cdc73f 100644 --- a/drivers/infiniband/core/cache.c +++ b/drivers/infiniband/core/cache.c @@ -191,6 +191,24 @@ int ib_find_cached_pkey(struct ib_device *device, } EXPORT_SYMBOL(ib_find_cached_pkey); +int ib_get_cached_lmc(struct ib_device *device, + u8 port_num, + u8 *lmc) +{ + unsigned long flags; + int ret = 0; + + if (port_num < start_port(device) || port_num > end_port(device)) + return -EINVAL; + + read_lock_irqsave(&device->cache.lock, flags); + *lmc = device->cache.lmc_cache[port_num - start_port(device)]; + read_unlock_irqrestore(&device->cache.lock, flags); + + return ret; +} +EXPORT_SYMBOL(ib_get_cached_lmc); + static void ib_cache_update(struct ib_device *device, u8 port) { @@ -251,6 +269,8 @@ static void ib_cache_update(struct ib_device *device, device->cache.pkey_cache[port - start_port(device)] = pkey_cache; device->cache.gid_cache [port - start_port(device)] = gid_cache; + device->cache.lmc_cache[port - start_port(device)] = tprops->lmc; + write_unlock_irq(&device->cache.lock); kfree(old_pkey_cache); @@ -305,7 +325,13 @@ static void ib_cache_setup_one(struct ib_device *device) kmalloc(sizeof *device->cache.gid_cache * (end_port(device) - start_port(device) + 1), GFP_KERNEL); - if (!device->cache.pkey_cache || !device->cache.gid_cache) { + device->cache.lmc_cache = kmalloc(sizeof *device->cache.lmc_cache * + (end_port(device) - + start_port(device) + 1), + GFP_KERNEL); + + if (!device->cache.pkey_cache || !device->cache.gid_cache || + !device->cache.lmc_cache) { printk(KERN_WARNING "Couldn't allocate cache " "for %s\n", device->name); goto err; @@ -333,6 +359,7 @@ err_cache: err: kfree(device->cache.pkey_cache); kfree(device->cache.gid_cache); + kfree(device->cache.lmc_cache); } static void ib_cache_cleanup_one(struct ib_device *device) @@ -349,6 +376,7 @@ static void ib_cache_cleanup_one(struct ib_device *device) kfree(device->cache.pkey_cache); kfree(device->cache.gid_cache); + kfree(device->cache.lmc_cache); } static struct ib_client cache_client = { diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 86fee43502cd..450adfe0a4f1 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -32,7 +32,7 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * - * $Id: cm.c 2821 2005-07-08 17:07:28Z sean.hefty $ + * $Id: cm.c 4311 2005-12-05 18:42:01Z sean.hefty $ */ #include <linux/completion.h> @@ -132,6 +132,7 @@ struct cm_id_private { /* todo: use alternate port on send failure */ struct cm_av av; struct cm_av alt_av; + struct ib_cm_compare_data *compare_data; void *private_data; __be64 tid; @@ -253,23 +254,13 @@ static void cm_set_private_data(struct cm_id_private *cm_id_priv, cm_id_priv->private_data_len = private_data_len; } -static void cm_set_ah_attr(struct ib_ah_attr *ah_attr, u8 port_num, - u16 dlid, u8 sl, u16 src_path_bits) -{ - memset(ah_attr, 0, sizeof ah_attr); - ah_attr->dlid = dlid; - ah_attr->sl = sl; - ah_attr->src_path_bits = src_path_bits; - ah_attr->port_num = port_num; -} - -static void cm_init_av_for_response(struct cm_port *port, - struct ib_wc *wc, struct cm_av *av) +static void cm_init_av_for_response(struct cm_port *port, struct ib_wc *wc, + struct ib_grh *grh, struct cm_av *av) { av->port = port; av->pkey_index = wc->pkey_index; - cm_set_ah_attr(&av->ah_attr, port->port_num, wc->slid, - wc->sl, wc->dlid_path_bits); + ib_init_ah_from_wc(port->cm_dev->device, port->port_num, wc, + grh, &av->ah_attr); } static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av) @@ -299,9 +290,8 @@ static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av) return ret; av->port = port; - cm_set_ah_attr(&av->ah_attr, av->port->port_num, - be16_to_cpu(path->dlid), path->sl, - be16_to_cpu(path->slid) & 0x7F); + ib_init_ah_from_path(cm_dev->device, port->port_num, path, + &av->ah_attr); av->packet_life_time = path->packet_life_time; return 0; } @@ -357,6 +347,41 @@ static struct cm_id_private * cm_acquire_id(__be32 local_id, __be32 remote_id) return cm_id_priv; } +static void cm_mask_copy(u8 *dst, u8 *src, u8 *mask) +{ + int i; + + for (i = 0; i < IB_CM_COMPARE_SIZE / sizeof(unsigned long); i++) + ((unsigned long *) dst)[i] = ((unsigned long *) src)[i] & + ((unsigned long *) mask)[i]; +} + +static int cm_compare_data(struct ib_cm_compare_data *src_data, + struct ib_cm_compare_data *dst_data) +{ + u8 src[IB_CM_COMPARE_SIZE]; + u8 dst[IB_CM_COMPARE_SIZE]; + + if (!src_data || !dst_data) + return 0; + + cm_mask_copy(src, src_data->data, dst_data->mask); + cm_mask_copy(dst, dst_data->data, src_data->mask); + return memcmp(src, dst, IB_CM_COMPARE_SIZE); +} + +static int cm_compare_private_data(u8 *private_data, + struct ib_cm_compare_data *dst_data) +{ + u8 src[IB_CM_COMPARE_SIZE]; + + if (!dst_data) + return 0; + + cm_mask_copy(src, private_data, dst_data->mask); + return memcmp(src, dst_data->data, IB_CM_COMPARE_SIZE); +} + static struct cm_id_private * cm_insert_listen(struct cm_id_private *cm_id_priv) { struct rb_node **link = &cm.listen_service_table.rb_node; @@ -364,14 +389,18 @@ static struct cm_id_private * cm_insert_listen(struct cm_id_private *cm_id_priv) struct cm_id_private *cur_cm_id_priv; __be64 service_id = cm_id_priv->id.service_id; __be64 service_mask = cm_id_priv->id.service_mask; + int data_cmp; while (*link) { parent = *link; cur_cm_id_priv = rb_entry(parent, struct cm_id_private, service_node); + data_cmp = cm_compare_data(cm_id_priv->compare_data, + cur_cm_id_priv->compare_data); if ((cur_cm_id_priv->id.service_mask & service_id) == (service_mask & cur_cm_id_priv->id.service_id) && - (cm_id_priv->id.device == cur_cm_id_priv->id.device)) + (cm_id_priv->id.device == cur_cm_id_priv->id.device) && + !data_cmp) return cur_cm_id_priv; if (cm_id_priv->id.device < cur_cm_id_priv->id.device) @@ -380,6 +409,10 @@ static struct cm_id_private * cm_insert_listen(struct cm_id_private *cm_id_priv) link = &(*link)->rb_right; else if (service_id < cur_cm_id_priv->id.service_id) link = &(*link)->rb_left; + else if (service_id > cur_cm_id_priv->id.service_id) + link = &(*link)->rb_right; + else if (data_cmp < 0) + link = &(*link)->rb_left; else link = &(*link)->rb_right; } @@ -389,16 +422,20 @@ static struct cm_id_private * cm_insert_listen(struct cm_id_private *cm_id_priv) } static struct cm_id_private * cm_find_listen(struct ib_device *device, - __be64 service_id) + __be64 service_id, + u8 *private_data) { struct rb_node *node = cm.listen_service_table.rb_node; struct cm_id_private *cm_id_priv; + int data_cmp; while (node) { cm_id_priv = rb_entry(node, struct cm_id_private, service_node); + data_cmp = cm_compare_private_data(private_data, + cm_id_priv->compare_data); if ((cm_id_priv->id.service_mask & service_id) == cm_id_priv->id.service_id && - (cm_id_priv->id.device == device)) + (cm_id_priv->id.device == device) && !data_cmp) return cm_id_priv; if (device < cm_id_priv->id.device) @@ -407,6 +444,10 @@ static struct cm_id_private * cm_find_listen(struct ib_device *device, node = node->rb_right; else if (service_id < cm_id_priv->id.service_id) node = node->rb_left; + else if (service_id > cm_id_priv->id.service_id) + node = node->rb_right; + else if (data_cmp < 0) + node = node->rb_left; else node = node->rb_right; } @@ -730,15 +771,14 @@ retest: wait_for_completion(&cm_id_priv->comp); while ((work = cm_dequeue_work(cm_id_priv)) != NULL) cm_free_work(work); - if (cm_id_priv->private_data && cm_id_priv->private_data_len) - kfree(cm_id_priv->private_data); + kfree(cm_id_priv->compare_data); + kfree(cm_id_priv->private_data); kfree(cm_id_priv); } EXPORT_SYMBOL(ib_destroy_cm_id); -int ib_cm_listen(struct ib_cm_id *cm_id, - __be64 service_id, - __be64 service_mask) +int ib_cm_listen(struct ib_cm_id *cm_id, __be64 service_id, __be64 service_mask, + struct ib_cm_compare_data *compare_data) { struct cm_id_private *cm_id_priv, *cur_cm_id_priv; unsigned long flags; @@ -752,7 +792,19 @@ int ib_cm_listen(struct ib_cm_id *cm_id, return -EINVAL; cm_id_priv = container_of(cm_id, struct cm_id_private, id); - BUG_ON(cm_id->state != IB_CM_IDLE); + if (cm_id->state != IB_CM_IDLE) + return -EINVAL; + + if (compare_data) { + cm_id_priv->compare_data = kzalloc(sizeof *compare_data, + GFP_KERNEL); + if (!cm_id_priv->compare_data) + return -ENOMEM; + cm_mask_copy(cm_id_priv->compare_data->data, + compare_data->data, compare_data->mask); + memcpy(cm_id_priv->compare_data->mask, compare_data->mask, + IB_CM_COMPARE_SIZE); + } cm_id->state = IB_CM_LISTEN; @@ -769,6 +821,8 @@ int ib_cm_listen(struct ib_cm_id *cm_id, if (cur_cm_id_priv) { cm_id->state = IB_CM_IDLE; + kfree(cm_id_priv->compare_data); + cm_id_priv->compare_data = NULL; ret = -EBUSY; } return ret; @@ -1241,7 +1295,8 @@ static struct cm_id_private * cm_match_req(struct cm_work *work, /* Find matching listen request. */ listen_cm_id_priv = cm_find_listen(cm_id_priv->id.device, - req_msg->service_id); + req_msg->service_id, + req_msg->private_data); if (!listen_cm_id_priv) { spin_unlock_irqrestore(&cm.lock, flags); cm_issue_rej(work->port, work->mad_recv_wc, @@ -1276,6 +1331,7 @@ static int cm_req_handler(struct cm_work *work) cm_id_priv = container_of(cm_id, struct cm_id_private, id); cm_id_priv->id.remote_id = req_msg->local_comm_id; cm_init_av_for_response(work->port, work->mad_recv_wc->wc, + work->mad_recv_wc->recv_buf.grh, &cm_id_priv->av); cm_id_priv->timewait_info = cm_create_timewait_info(cm_id_priv-> id.local_id); @@ -2549,7 +2605,7 @@ static void cm_format_sidr_req(struct cm_sidr_req_msg *sidr_req_msg, cm_format_mad_hdr(&sidr_req_msg->hdr, CM_SIDR_REQ_ATTR_ID, cm_form_tid(cm_id_priv, CM_MSG_SEQUENCE_SIDR)); sidr_req_msg->request_id = cm_id_priv->id.local_id; - sidr_req_msg->pkey = cpu_to_be16(param->pkey); + sidr_req_msg->pkey = cpu_to_be16(param->path->pkey); sidr_req_msg->service_id = param->service_id; if (param->private_data && param->private_data_len) @@ -2641,6 +2697,7 @@ static int cm_sidr_req_handler(struct cm_work *work) cm_id_priv->av.dgid.global.subnet_prefix = cpu_to_be64(wc->slid); cm_id_priv->av.dgid.global.interface_id = 0; cm_init_av_for_response(work->port, work->mad_recv_wc->wc, + work->mad_recv_wc->recv_buf.grh, &cm_id_priv->av); cm_id_priv->id.remote_id = sidr_req_msg->request_id; cm_id_priv->id.state = IB_CM_SIDR_REQ_RCVD; @@ -2654,7 +2711,8 @@ static int cm_sidr_req_handler(struct cm_work *work) goto out; /* Duplicate message. */ } cur_cm_id_priv = cm_find_listen(cm_id->device, - sidr_req_msg->service_id); + sidr_req_msg->service_id, + sidr_req_msg->private_data); if (!cur_cm_id_priv) { rb_erase(&cm_id_priv->sidr_id_node, &cm.remote_sidr_table); spin_unlock_irqrestore(&cm.lock, flags); @@ -3291,7 +3349,6 @@ error: static void __exit ib_cm_cleanup(void) { - flush_workqueue(cm.wq); destroy_workqueue(cm.wq); ib_unregister_client(&cm_client); idr_destroy(&cm.local_id_table); diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c new file mode 100644 index 000000000000..a76834edf608 --- /dev/null +++ b/drivers/infiniband/core/cma.c @@ -0,0 +1,1927 @@ +/* + * Copyright (c) 2005 Voltaire Inc. All rights reserved. + * Copyright (c) 2002-2005, Network Appliance, Inc. All rights reserved. + * Copyright (c) 1999-2005, Mellanox Technologies, Inc. All rights reserved. + * Copyright (c) 2005-2006 Intel Corporation. All rights reserved. + * + * This Software is licensed under one of the following licenses: + * + * 1) under the terms of the "Common Public License 1.0" a copy of which is + * available from the Open Source Initiative, see + * http://www.opensource.org/licenses/cpl.php. + * + * 2) under the terms of the "The BSD License" a copy of which is + * available from the Open Source Initiative, see + * http://www.opensource.org/licenses/bsd-license.php. + * + * 3) under the terms of the "GNU General Public License (GPL) Version 2" a + * copy of which is available from the Open Source Initiative, see + * http://www.opensource.org/licenses/gpl-license.php. + * + * Licensee has the right to choose one of the above licenses. + * + * Redistributions of source code must retain the above copyright + * notice and one of the license notices. + * + * Redistributions in binary form must reproduce both the above copyright + * notice, one of the license notices in the documentation + * and/or other materials provided with the distribution. + * + */ + +#include <linux/completion.h> +#include <linux/in.h> +#include <linux/in6.h> +#include <linux/mutex.h> +#include <linux/random.h> +#include <linux/idr.h> + +#include <net/tcp.h> + +#include <rdma/rdma_cm.h> +#include <rdma/rdma_cm_ib.h> +#include <rdma/ib_cache.h> +#include <rdma/ib_cm.h> +#include <rdma/ib_sa.h> + +MODULE_AUTHOR("Sean Hefty"); +MODULE_DESCRIPTION("Generic RDMA CM Agent"); +MODULE_LICENSE("Dual BSD/GPL"); + +#define CMA_CM_RESPONSE_TIMEOUT 20 +#define CMA_MAX_CM_RETRIES 3 + +static void cma_add_one(struct ib_device *device); +static void cma_remove_one(struct ib_device *device); + +static struct ib_client cma_client = { + .name = "cma", + .add = cma_add_one, + .remove = cma_remove_one +}; + +static LIST_HEAD(dev_list); +static LIST_HEAD(listen_any_list); +static DEFINE_MUTEX(lock); +static struct workqueue_struct *cma_wq; +static DEFINE_IDR(sdp_ps); +static DEFINE_IDR(tcp_ps); + +struct cma_device { + struct list_head list; + struct ib_device *device; + __be64 node_guid; + struct completion comp; + atomic_t refcount; + struct list_head id_list; +}; + +enum cma_state { + CMA_IDLE, + CMA_ADDR_QUERY, + CMA_ADDR_RESOLVED, + CMA_ROUTE_QUERY, + CMA_ROUTE_RESOLVED, + CMA_CONNECT, + CMA_DISCONNECT, + CMA_ADDR_BOUND, + CMA_LISTEN, + CMA_DEVICE_REMOVAL, + CMA_DESTROYING +}; + +struct rdma_bind_list { + struct idr *ps; + struct hlist_head owners; + unsigned short port; +}; + +/* + * Device removal can occur at anytime, so we need extra handling to + * serialize notifying the user of device removal with other callbacks. + * We do this by disabling removal notification while a callback is in process, + * and reporting it after the callback completes. + */ +struct rdma_id_private { + struct rdma_cm_id id; + + struct rdma_bind_list *bind_list; + struct hlist_node node; + struct list_head list; + struct list_head listen_list; + struct cma_device *cma_dev; + + enum cma_state state; + spinlock_t lock; + struct completion comp; + atomic_t refcount; + wait_queue_head_t wait_remove; + atomic_t dev_remove; + + int backlog; + int timeout_ms; + struct ib_sa_query *query; + int query_id; + union { + struct ib_cm_id *ib; + } cm_id; + + u32 seq_num; + u32 qp_num; + enum ib_qp_type qp_type; + u8 srq; +}; + +struct cma_work { + struct work_struct work; + struct rdma_id_private *id; + enum cma_state old_state; + enum cma_state new_state; + struct rdma_cm_event event; +}; + +union cma_ip_addr { + struct in6_addr ip6; + struct { + __u32 pad[3]; + __u32 addr; + } ip4; +}; + +struct cma_hdr { + u8 cma_version; + u8 ip_version; /* IP version: 7:4 */ + __u16 port; + union cma_ip_addr src_addr; + union cma_ip_addr dst_addr; +}; + +struct sdp_hh { + u8 bsdh[16]; + u8 sdp_version; /* Major version: 7:4 */ + u8 ip_version; /* IP version: 7:4 */ + u8 sdp_specific1[10]; + __u16 port; + __u16 sdp_specific2; + union cma_ip_addr src_addr; + union cma_ip_addr dst_addr; +}; + +struct sdp_hah { + u8 bsdh[16]; + u8 sdp_version; +}; + +#define CMA_VERSION 0x00 +#define SDP_MAJ_VERSION 0x2 + +static int cma_comp(struct rdma_id_private *id_priv, enum cma_state comp) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&id_priv->lock, flags); + ret = (id_priv->state == comp); + spin_unlock_irqrestore(&id_priv->lock, flags); + return ret; +} + +static int cma_comp_exch(struct rdma_id_private *id_priv, + enum cma_state comp, enum cma_state exch) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&id_priv->lock, flags); + if ((ret = (id_priv->state == comp))) + id_priv->state = exch; + spin_unlock_irqrestore(&id_priv->lock, flags); + return ret; +} + +static enum cma_state cma_exch(struct rdma_id_private *id_priv, + enum cma_state exch) +{ + unsigned long flags; + enum cma_state old; + + spin_lock_irqsave(&id_priv->lock, flags); + old = id_priv->state; + id_priv->state = exch; + spin_unlock_irqrestore(&id_priv->lock, flags); + return old; +} + +static inline u8 cma_get_ip_ver(struct cma_hdr *hdr) +{ + return hdr->ip_version >> 4; +} + +static inline void cma_set_ip_ver(struct cma_hdr *hdr, u8 ip_ver) +{ + hdr->ip_version = (ip_ver << 4) | (hdr->ip_version & 0xF); +} + +static inline u8 sdp_get_majv(u8 sdp_version) +{ + return sdp_version >> 4; +} + +static inline u8 sdp_get_ip_ver(struct sdp_hh *hh) +{ + return hh->ip_version >> 4; +} + +static inline void sdp_set_ip_ver(struct sdp_hh *hh, u8 ip_ver) +{ + hh->ip_version = (ip_ver << 4) | (hh->ip_version & 0xF); +} + +static void cma_attach_to_dev(struct rdma_id_private *id_priv, + struct cma_device *cma_dev) +{ + atomic_inc(&cma_dev->refcount); + id_priv->cma_dev = cma_dev; + id_priv->id.device = cma_dev->device; + list_add_tail(&id_priv->list, &cma_dev->id_list); +} + +static inline void cma_deref_dev(struct cma_device *cma_dev) +{ + if (atomic_dec_and_test(&cma_dev->refcount)) + complete(&cma_dev->comp); +} + +static void cma_detach_from_dev(struct rdma_id_private *id_priv) +{ + list_del(&id_priv->list); + cma_deref_dev(id_priv->cma_dev); + id_priv->cma_dev = NULL; +} + +static int cma_acquire_ib_dev(struct rdma_id_private *id_priv) +{ + struct cma_device *cma_dev; + union ib_gid *gid; + int ret = -ENODEV; + + gid = ib_addr_get_sgid(&id_priv->id.route.addr.dev_addr); + + mutex_lock(&lock); + list_for_each_entry(cma_dev, &dev_list, list) { + ret = ib_find_cached_gid(cma_dev->device, gid, + &id_priv->id.port_num, NULL); + if (!ret) { + cma_attach_to_dev(id_priv, cma_dev); + break; + } + } + mutex_unlock(&lock); + return ret; +} + +static int cma_acquire_dev(struct rdma_id_private *id_priv) +{ + switch (id_priv->id.route.addr.dev_addr.dev_type) { + case IB_NODE_CA: + return cma_acquire_ib_dev(id_priv); + default: + return -ENODEV; + } +} + +static void cma_deref_id(struct rdma_id_private *id_priv) +{ + if (atomic_dec_and_test(&id_priv->refcount)) + complete(&id_priv->comp); +} + +static void cma_release_remove(struct rdma_id_private *id_priv) +{ + if (atomic_dec_and_test(&id_priv->dev_remove)) + wake_up(&id_priv->wait_remove); +} + +struct rdma_cm_id *rdma_create_id(rdma_cm_event_handler event_handler, + void *context, enum rdma_port_space ps) +{ + struct rdma_id_private *id_priv; + + id_priv = kzalloc(sizeof *id_priv, GFP_KERNEL); + if (!id_priv) + return ERR_PTR(-ENOMEM); + + id_priv->state = CMA_IDLE; + id_priv->id.context = context; + id_priv->id.event_handler = event_handler; + id_priv->id.ps = ps; + spin_lock_init(&id_priv->lock); + init_completion(&id_priv->comp); + atomic_set(&id_priv->refcount, 1); + init_waitqueue_head(&id_priv->wait_remove); + atomic_set(&id_priv->dev_remove, 0); + INIT_LIST_HEAD(&id_priv->listen_list); + get_random_bytes(&id_priv->seq_num, sizeof id_priv->seq_num); + + return &id_priv->id; +} +EXPORT_SYMBOL(rdma_create_id); + +static int cma_init_ib_qp(struct rdma_id_private *id_priv, struct ib_qp *qp) +{ + struct ib_qp_attr qp_attr; + struct rdma_dev_addr *dev_addr; + int ret; + + dev_addr = &id_priv->id.route.addr.dev_addr; + ret = ib_find_cached_pkey(id_priv->id.device, id_priv->id.port_num, + ib_addr_get_pkey(dev_addr), + &qp_attr.pkey_index); + if (ret) + return ret; + + qp_attr.qp_state = IB_QPS_INIT; + qp_attr.qp_access_flags = IB_ACCESS_LOCAL_WRITE; + qp_attr.port_num = id_priv->id.port_num; + return ib_modify_qp(qp, &qp_attr, IB_QP_STATE | IB_QP_ACCESS_FLAGS | + IB_QP_PKEY_INDEX | IB_QP_PORT); +} + +int rdma_create_qp(struct rdma_cm_id *id, struct ib_pd *pd, + struct ib_qp_init_attr *qp_init_attr) +{ + struct rdma_id_private *id_priv; + struct ib_qp *qp; + int ret; + + id_priv = container_of(id, struct rdma_id_private, id); + if (id->device != pd->device) + return -EINVAL; + + qp = ib_create_qp(pd, qp_init_attr); + if (IS_ERR(qp)) + return PTR_ERR(qp); + + switch (id->device->node_type) { + case IB_NODE_CA: + ret = cma_init_ib_qp(id_priv, qp); + break; + default: + ret = -ENOSYS; + break; + } + + if (ret) + goto err; + + id->qp = qp; + id_priv->qp_num = qp->qp_num; + id_priv->qp_type = qp->qp_type; + id_priv->srq = (qp->srq != NULL); + return 0; +err: + ib_destroy_qp(qp); + return ret; +} +EXPORT_SYMBOL(rdma_create_qp); + +void rdma_destroy_qp(struct rdma_cm_id *id) +{ + ib_destroy_qp(id->qp); +} +EXPORT_SYMBOL(rdma_destroy_qp); + +static int cma_modify_qp_rtr(struct rdma_cm_id *id) +{ + struct ib_qp_attr qp_attr; + int qp_attr_mask, ret; + + if (!id->qp) + return 0; + + /* Need to update QP attributes from default values. */ + qp_attr.qp_state = IB_QPS_INIT; + ret = rdma_init_qp_attr(id, &qp_attr, &qp_attr_mask); + if (ret) + return ret; + + ret = ib_modify_qp(id->qp, &qp_attr, qp_attr_mask); + if (ret) + return ret; + + qp_attr.qp_state = IB_QPS_RTR; + ret = rdma_init_qp_attr(id, &qp_attr, &qp_attr_mask); + if (ret) + return ret; + + return ib_modify_qp(id->qp, &qp_attr, qp_attr_mask); +} + +static int cma_modify_qp_rts(struct rdma_cm_id *id) +{ + struct ib_qp_attr qp_attr; + int qp_attr_mask, ret; + + if (!id->qp) + return 0; + + qp_attr.qp_state = IB_QPS_RTS; + ret = rdma_init_qp_attr(id, &qp_attr, &qp_attr_mask); + if (ret) + return ret; + + return ib_modify_qp(id->qp, &qp_attr, qp_attr_mask); +} + +static int cma_modify_qp_err(struct rdma_cm_id *id) +{ + struct ib_qp_attr qp_attr; + + if (!id->qp) + return 0; + + qp_attr.qp_state = IB_QPS_ERR; + return ib_modify_qp(id->qp, &qp_attr, IB_QP_STATE); +} + +int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr, + int *qp_attr_mask) +{ + struct rdma_id_private *id_priv; + int ret; + + id_priv = container_of(id, struct rdma_id_private, id); + switch (id_priv->id.device->node_type) { + case IB_NODE_CA: + ret = ib_cm_init_qp_attr(id_priv->cm_id.ib, qp_attr, + qp_attr_mask); + if (qp_attr->qp_state == IB_QPS_RTR) + qp_attr->rq_psn = id_priv->seq_num; + break; + default: + ret = -ENOSYS; + break; + } + + return ret; +} +EXPORT_SYMBOL(rdma_init_qp_attr); + +static inline int cma_zero_addr(struct sockaddr *addr) +{ + struct in6_addr *ip6; + + if (addr->sa_family == AF_INET) + return ZERONET(((struct sockaddr_in *) addr)->sin_addr.s_addr); + else { + ip6 = &((struct sockaddr_in6 *) addr)->sin6_addr; + return (ip6->s6_addr32[0] | ip6->s6_addr32[1] | + ip6->s6_addr32[3] | ip6->s6_addr32[4]) == 0; + } +} + +static inline int cma_loopback_addr(struct sockaddr *addr) +{ + return LOOPBACK(((struct sockaddr_in *) addr)->sin_addr.s_addr); +} + +static inline int cma_any_addr(struct sockaddr *addr) +{ + return cma_zero_addr(addr) || cma_loopback_addr(addr); +} + +static inline int cma_any_port(struct sockaddr *addr) +{ + return !((struct sockaddr_in *) addr)->sin_port; +} + +static int cma_get_net_info(void *hdr, enum rdma_port_space ps, + u8 *ip_ver, __u16 *port, + union cma_ip_addr **src, union cma_ip_addr **dst) +{ + switch (ps) { + case RDMA_PS_SDP: + if (sdp_get_majv(((struct sdp_hh *) hdr)->sdp_version) != + SDP_MAJ_VERSION) + return -EINVAL; + + *ip_ver = sdp_get_ip_ver(hdr); + *port = ((struct sdp_hh *) hdr)->port; + *src = &((struct sdp_hh *) hdr)->src_addr; + *dst = &((struct sdp_hh *) hdr)->dst_addr; + break; + default: + if (((struct cma_hdr *) hdr)->cma_version != CMA_VERSION) + return -EINVAL; + + *ip_ver = cma_get_ip_ver(hdr); + *port = ((struct cma_hdr *) hdr)->port; + *src = &((struct cma_hdr *) hdr)->src_addr; + *dst = &((struct cma_hdr *) hdr)->dst_addr; + break; + } + + if (*ip_ver != 4 && *ip_ver != 6) + return -EINVAL; + return 0; +} + +static void cma_save_net_info(struct rdma_addr *addr, + struct rdma_addr *listen_addr, + u8 ip_ver, __u16 port, + union cma_ip_addr *src, union cma_ip_addr *dst) +{ + struct sockaddr_in *listen4, *ip4; + struct sockaddr_in6 *listen6, *ip6; + + switch (ip_ver) { + case 4: + listen4 = (struct sockaddr_in *) &listen_addr->src_addr; + ip4 = (struct sockaddr_in *) &addr->src_addr; + ip4->sin_family = listen4->sin_family; + ip4->sin_addr.s_addr = dst->ip4.addr; + ip4->sin_port = listen4->sin_port; + + ip4 = (struct sockaddr_in *) &addr->dst_addr; + ip4->sin_family = listen4->sin_family; + ip4->sin_addr.s_addr = src->ip4.addr; + ip4->sin_port = port; + break; + case 6: + listen6 = (struct sockaddr_in6 *) &listen_addr->src_addr; + ip6 = (struct sockaddr_in6 *) &addr->src_addr; + ip6->sin6_family = listen6->sin6_family; + ip6->sin6_addr = dst->ip6; + ip6->sin6_port = listen6->sin6_port; + + ip6 = (struct sockaddr_in6 *) &addr->dst_addr; + ip6->sin6_family = listen6->sin6_family; + ip6->sin6_addr = src->ip6; + ip6->sin6_port = port; + break; + default: + break; + } +} + +static inline int cma_user_data_offset(enum rdma_port_space ps) +{ + switch (ps) { + case RDMA_PS_SDP: + return 0; + default: + return sizeof(struct cma_hdr); + } +} + +static int cma_notify_user(struct rdma_id_private *id_priv, + enum rdma_cm_event_type type, int status, + void *data, u8 data_len) +{ + struct rdma_cm_event event; + + event.event = type; + event.status = status; + event.private_data = data; + event.private_data_len = data_len; + + return id_priv->id.event_handler(&id_priv->id, &event); +} + +static void cma_cancel_route(struct rdma_id_private *id_priv) +{ + switch (id_priv->id.device->node_type) { + case IB_NODE_CA: + if (id_priv->query) + ib_sa_cancel_query(id_priv->query_id, id_priv->query); + break; + default: + break; + } +} + +static inline int cma_internal_listen(struct rdma_id_private *id_priv) +{ + return (id_priv->state == CMA_LISTEN) && id_priv->cma_dev && + cma_any_addr(&id_priv->id.route.addr.src_addr); +} + +static void cma_destroy_listen(struct rdma_id_private *id_priv) +{ + cma_exch(id_priv, CMA_DESTROYING); + + if (id_priv->cma_dev) { + switch (id_priv->id.device->node_type) { + case IB_NODE_CA: + if (id_priv->cm_id.ib && !IS_ERR(id_priv->cm_id.ib)) + ib_destroy_cm_id(id_priv->cm_id.ib); + break; + default: + break; + } + cma_detach_from_dev(id_priv); + } + list_del(&id_priv->listen_list); + + cma_deref_id(id_priv); + wait_for_completion(&id_priv->comp); + + kfree(id_priv); +} + +static void cma_cancel_listens(struct rdma_id_private *id_priv) +{ + struct rdma_id_private *dev_id_priv; + + mutex_lock(&lock); + list_del(&id_priv->list); + + while (!list_empty(&id_priv->listen_list)) { + dev_id_priv = list_entry(id_priv->listen_list.next, + struct rdma_id_private, listen_list); + cma_destroy_listen(dev_id_priv); + } + mutex_unlock(&lock); +} + +static void cma_cancel_operation(struct rdma_id_private *id_priv, + enum cma_state state) +{ + switch (state) { + case CMA_ADDR_QUERY: + rdma_addr_cancel(&id_priv->id.route.addr.dev_addr); + break; + case CMA_ROUTE_QUERY: + cma_cancel_route(id_priv); + break; + case CMA_LISTEN: + if (cma_any_addr(&id_priv->id.route.addr.src_addr) && + !id_priv->cma_dev) + cma_cancel_listens(id_priv); + break; + default: + break; + } +} + +static void cma_release_port(struct rdma_id_private *id_priv) +{ + struct rdma_bind_list *bind_list = id_priv->bind_list; + + if (!bind_list) + return; + + mutex_lock(&lock); + hlist_del(&id_priv->node); + if (hlist_empty(&bind_list->owners)) { + idr_remove(bind_list->ps, bind_list->port); + kfree(bind_list); + } + mutex_unlock(&lock); +} + +void rdma_destroy_id(struct rdma_cm_id *id) +{ + struct rdma_id_private *id_priv; + enum cma_state state; + + id_priv = container_of(id, struct rdma_id_private, id); + state = cma_exch(id_priv, CMA_DESTROYING); + cma_cancel_operation(id_priv, state); + + if (id_priv->cma_dev) { + switch (id->device->node_type) { + case IB_NODE_CA: + if (id_priv->cm_id.ib && !IS_ERR(id_priv->cm_id.ib)) + ib_destroy_cm_id(id_priv->cm_id.ib); + break; + default: + break; + } + mutex_lock(&lock); + cma_detach_from_dev(id_priv); + mutex_unlock(&lock); + } + + cma_release_port(id_priv); + cma_deref_id(id_priv); + wait_for_completion(&id_priv->comp); + + kfree(id_priv->id.route.path_rec); + kfree(id_priv); +} +EXPORT_SYMBOL(rdma_destroy_id); + +static int cma_rep_recv(struct rdma_id_private *id_priv) +{ + int ret; + + ret = cma_modify_qp_rtr(&id_priv->id); + if (ret) + goto reject; + + ret = cma_modify_qp_rts(&id_priv->id); + if (ret) + goto reject; + + ret = ib_send_cm_rtu(id_priv->cm_id.ib, NULL, 0); + if (ret) + goto reject; + + return 0; +reject: + cma_modify_qp_err(&id_priv->id); + ib_send_cm_rej(id_priv->cm_id.ib, IB_CM_REJ_CONSUMER_DEFINED, + NULL, 0, NULL, 0); + return ret; +} + +static int cma_verify_rep(struct rdma_id_private *id_priv, void *data) +{ + if (id_priv->id.ps == RDMA_PS_SDP && + sdp_get_majv(((struct sdp_hah *) data)->sdp_version) != + SDP_MAJ_VERSION) + return -EINVAL; + + return 0; +} + +static int cma_rtu_recv(struct rdma_id_private *id_priv) +{ + int ret; + + ret = cma_modify_qp_rts(&id_priv->id); + if (ret) + goto reject; + + return 0; +reject: + cma_modify_qp_err(&id_priv->id); + ib_send_cm_rej(id_priv->cm_id.ib, IB_CM_REJ_CONSUMER_DEFINED, + NULL, 0, NULL, 0); + return ret; +} + +static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event) +{ + struct rdma_id_private *id_priv = cm_id->context; + enum rdma_cm_event_type event; + u8 private_data_len = 0; + int ret = 0, status = 0; + + atomic_inc(&id_priv->dev_remove); + if (!cma_comp(id_priv, CMA_CONNECT)) + goto out; + + switch (ib_event->event) { + case IB_CM_REQ_ERROR: + case IB_CM_REP_ERROR: + event = RDMA_CM_EVENT_UNREACHABLE; + status = -ETIMEDOUT; + break; + case IB_CM_REP_RECEIVED: + status = cma_verify_rep(id_priv, ib_event->private_data); + if (status) + event = RDMA_CM_EVENT_CONNECT_ERROR; + else if (id_priv->id.qp && id_priv->id.ps != RDMA_PS_SDP) { + status = cma_rep_recv(id_priv); + event = status ? RDMA_CM_EVENT_CONNECT_ERROR : + RDMA_CM_EVENT_ESTABLISHED; + } else + event = RDMA_CM_EVENT_CONNECT_RESPONSE; + private_data_len = IB_CM_REP_PRIVATE_DATA_SIZE; + break; + case IB_CM_RTU_RECEIVED: + status = cma_rtu_recv(id_priv); + event = status ? RDMA_CM_EVENT_CONNECT_ERROR : + RDMA_CM_EVENT_ESTABLISHED; + break; + case IB_CM_DREQ_ERROR: + status = -ETIMEDOUT; /* fall through */ + case IB_CM_DREQ_RECEIVED: + case IB_CM_DREP_RECEIVED: + if (!cma_comp_exch(id_priv, CMA_CONNECT, CMA_DISCONNECT)) + goto out; + event = RDMA_CM_EVENT_DISCONNECTED; + break; + case IB_CM_TIMEWAIT_EXIT: + case IB_CM_MRA_RECEIVED: + /* ignore event */ + goto out; + case IB_CM_REJ_RECEIVED: + cma_modify_qp_err(&id_priv->id); + status = ib_event->param.rej_rcvd.reason; + event = RDMA_CM_EVENT_REJECTED; + break; + default: + printk(KERN_ERR "RDMA CMA: unexpected IB CM event: %d", + ib_event->event); + goto out; + } + + ret = cma_notify_user(id_priv, event, status, ib_event->private_data, + private_data_len); + if (ret) { + /* Destroy the CM ID by returning a non-zero value. */ + id_priv->cm_id.ib = NULL; + cma_exch(id_priv, CMA_DESTROYING); + cma_release_remove(id_priv); + rdma_destroy_id(&id_priv->id); + return ret; + } +out: + cma_release_remove(id_priv); + return ret; +} + +static struct rdma_id_private *cma_new_id(struct rdma_cm_id *listen_id, + struct ib_cm_event *ib_event) +{ + struct rdma_id_private *id_priv; + struct rdma_cm_id *id; + struct rdma_route *rt; + union cma_ip_addr *src, *dst; + __u16 port; + u8 ip_ver; + + id = rdma_create_id(listen_id->event_handler, listen_id->context, + listen_id->ps); + if (IS_ERR(id)) + return NULL; + + rt = &id->route; + rt->num_paths = ib_event->param.req_rcvd.alternate_path ? 2 : 1; + rt->path_rec = kmalloc(sizeof *rt->path_rec * rt->num_paths, GFP_KERNEL); + if (!rt->path_rec) + goto err; + + if (cma_get_net_info(ib_event->private_data, listen_id->ps, + &ip_ver, &port, &src, &dst)) + goto err; + + cma_save_net_info(&id->route.addr, &listen_id->route.addr, + ip_ver, port, src, dst); + rt->path_rec[0] = *ib_event->param.req_rcvd.primary_path; + if (rt->num_paths == 2) + rt->path_rec[1] = *ib_event->param.req_rcvd.alternate_path; + + ib_addr_set_sgid(&rt->addr.dev_addr, &rt->path_rec[0].sgid); + ib_addr_set_dgid(&rt->addr.dev_addr, &rt->path_rec[0].dgid); + ib_addr_set_pkey(&rt->addr.dev_addr, be16_to_cpu(rt->path_rec[0].pkey)); + rt->addr.dev_addr.dev_type = IB_NODE_CA; + + id_priv = container_of(id, struct rdma_id_private, id); + id_priv->state = CMA_CONNECT; + return id_priv; +err: + rdma_destroy_id(id); + return NULL; +} + +static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event) +{ + struct rdma_id_private *listen_id, *conn_id; + int offset, ret; + + listen_id = cm_id->context; + atomic_inc(&listen_id->dev_remove); + if (!cma_comp(listen_id, CMA_LISTEN)) { + ret = -ECONNABORTED; + goto out; + } + + conn_id = cma_new_id(&listen_id->id, ib_event); + if (!conn_id) { + ret = -ENOMEM; + goto out; + } + + atomic_inc(&conn_id->dev_remove); + ret = cma_acquire_ib_dev(conn_id); + if (ret) { + ret = -ENODEV; + cma_release_remove(conn_id); + rdma_destroy_id(&conn_id->id); + goto out; + } + + conn_id->cm_id.ib = cm_id; + cm_id->context = conn_id; + cm_id->cm_handler = cma_ib_handler; + + offset = cma_user_data_offset(listen_id->id.ps); + ret = cma_notify_user(conn_id, RDMA_CM_EVENT_CONNECT_REQUEST, 0, + ib_event->private_data + offset, + IB_CM_REQ_PRIVATE_DATA_SIZE - offset); + if (ret) { + /* Destroy the CM ID by returning a non-zero value. */ + conn_id->cm_id.ib = NULL; + cma_exch(conn_id, CMA_DESTROYING); + cma_release_remove(conn_id); + rdma_destroy_id(&conn_id->id); + } +out: + cma_release_remove(listen_id); + return ret; +} + +static __be64 cma_get_service_id(enum rdma_port_space ps, struct sockaddr *addr) +{ + return cpu_to_be64(((u64)ps << 16) + + be16_to_cpu(((struct sockaddr_in *) addr)->sin_port)); +} + +static void cma_set_compare_data(enum rdma_port_space ps, struct sockaddr *addr, + struct ib_cm_compare_data *compare) +{ + struct cma_hdr *cma_data, *cma_mask; + struct sdp_hh *sdp_data, *sdp_mask; + __u32 ip4_addr; + struct in6_addr ip6_addr; + + memset(compare, 0, sizeof *compare); + cma_data = (void *) compare->data; + cma_mask = (void *) compare->mask; + sdp_data = (void *) compare->data; + sdp_mask = (void *) compare->mask; + + switch (addr->sa_family) { + case AF_INET: + ip4_addr = ((struct sockaddr_in *) addr)->sin_addr.s_addr; + if (ps == RDMA_PS_SDP) { + sdp_set_ip_ver(sdp_data, 4); + sdp_set_ip_ver(sdp_mask, 0xF); + sdp_data->dst_addr.ip4.addr = ip4_addr; + sdp_mask->dst_addr.ip4.addr = ~0; + } else { + cma_set_ip_ver(cma_data, 4); + cma_set_ip_ver(cma_mask, 0xF); + cma_data->dst_addr.ip4.addr = ip4_addr; + cma_mask->dst_addr.ip4.addr = ~0; + } + break; + case AF_INET6: + ip6_addr = ((struct sockaddr_in6 *) addr)->sin6_addr; + if (ps == RDMA_PS_SDP) { + sdp_set_ip_ver(sdp_data, 6); + sdp_set_ip_ver(sdp_mask, 0xF); + sdp_data->dst_addr.ip6 = ip6_addr; + memset(&sdp_mask->dst_addr.ip6, 0xFF, + sizeof sdp_mask->dst_addr.ip6); + } else { + cma_set_ip_ver(cma_data, 6); + cma_set_ip_ver(cma_mask, 0xF); + cma_data->dst_addr.ip6 = ip6_addr; + memset(&cma_mask->dst_addr.ip6, 0xFF, + sizeof cma_mask->dst_addr.ip6); + } + break; + default: + break; + } +} + +static int cma_ib_listen(struct rdma_id_private *id_priv) +{ + struct ib_cm_compare_data compare_data; + struct sockaddr *addr; + __be64 svc_id; + int ret; + + id_priv->cm_id.ib = ib_create_cm_id(id_priv->id.device, cma_req_handler, + id_priv); + if (IS_ERR(id_priv->cm_id.ib)) + return PTR_ERR(id_priv->cm_id.ib); + + addr = &id_priv->id.route.addr.src_addr; + svc_id = cma_get_service_id(id_priv->id.ps, addr); + if (cma_any_addr(addr)) + ret = ib_cm_listen(id_priv->cm_id.ib, svc_id, 0, NULL); + else { + cma_set_compare_data(id_priv->id.ps, addr, &compare_data); + ret = ib_cm_listen(id_priv->cm_id.ib, svc_id, 0, &compare_data); + } + + if (ret) { + ib_destroy_cm_id(id_priv->cm_id.ib); + id_priv->cm_id.ib = NULL; + } + + return ret; +} + +static int cma_listen_handler(struct rdma_cm_id *id, + struct rdma_cm_event *event) +{ + struct rdma_id_private *id_priv = id->context; + + id->context = id_priv->id.context; + id->event_handler = id_priv->id.event_handler; + return id_priv->id.event_handler(id, event); +} + +static void cma_listen_on_dev(struct rdma_id_private *id_priv, + struct cma_device *cma_dev) +{ + struct rdma_id_private *dev_id_priv; + struct rdma_cm_id *id; + int ret; + + id = rdma_create_id(cma_listen_handler, id_priv, id_priv->id.ps); + if (IS_ERR(id)) + return; + + dev_id_priv = container_of(id, struct rdma_id_private, id); + + dev_id_priv->state = CMA_ADDR_BOUND; + memcpy(&id->route.addr.src_addr, &id_priv->id.route.addr.src_addr, + ip_addr_size(&id_priv->id.route.addr.src_addr)); + + cma_attach_to_dev(dev_id_priv, cma_dev); + list_add_tail(&dev_id_priv->listen_list, &id_priv->listen_list); + + ret = rdma_listen(id, id_priv->backlog); + if (ret) + goto err; + + return; +err: + cma_destroy_listen(dev_id_priv); +} + +static void cma_listen_on_all(struct rdma_id_private *id_priv) +{ + struct cma_device *cma_dev; + + mutex_lock(&lock); + list_add_tail(&id_priv->list, &listen_any_list); + list_for_each_entry(cma_dev, &dev_list, list) + cma_listen_on_dev(id_priv, cma_dev); + mutex_unlock(&lock); +} + +static int cma_bind_any(struct rdma_cm_id *id, sa_family_t af) +{ + struct sockaddr_in addr_in; + + memset(&addr_in, 0, sizeof addr_in); + addr_in.sin_family = af; + return rdma_bind_addr(id, (struct sockaddr *) &addr_in); +} + +int rdma_listen(struct rdma_cm_id *id, int backlog) +{ + struct rdma_id_private *id_priv; + int ret; + + id_priv = container_of(id, struct rdma_id_private, id); + if (id_priv->state == CMA_IDLE) { + ret = cma_bind_any(id, AF_INET); + if (ret) + return ret; + } + + if (!cma_comp_exch(id_priv, CMA_ADDR_BOUND, CMA_LISTEN)) + return -EINVAL; + + id_priv->backlog = backlog; + if (id->device) { + switch (id->device->node_type) { + case IB_NODE_CA: + ret = cma_ib_listen(id_priv); + if (ret) + goto err; + break; + default: + ret = -ENOSYS; + goto err; + } + } else + cma_listen_on_all(id_priv); + + return 0; +err: + id_priv->backlog = 0; + cma_comp_exch(id_priv, CMA_LISTEN, CMA_ADDR_BOUND); + return ret; +} +EXPORT_SYMBOL(rdma_listen); + +static void cma_query_handler(int status, struct ib_sa_path_rec *path_rec, + void *context) +{ + struct cma_work *work = context; + struct rdma_route *route; + + route = &work->id->id.route; + + if (!status) { + route->num_paths = 1; + *route->path_rec = *path_rec; + } else { + work->old_state = CMA_ROUTE_QUERY; + work->new_state = CMA_ADDR_RESOLVED; + work->event.event = RDMA_CM_EVENT_ROUTE_ERROR; + } + + queue_work(cma_wq, &work->work); +} + +static int cma_query_ib_route(struct rdma_id_private *id_priv, int timeout_ms, + struct cma_work *work) +{ + struct rdma_dev_addr *addr = &id_priv->id.route.addr.dev_addr; + struct ib_sa_path_rec path_rec; + + memset(&path_rec, 0, sizeof path_rec); + path_rec.sgid = *ib_addr_get_sgid(addr); + path_rec.dgid = *ib_addr_get_dgid(addr); + path_rec.pkey = cpu_to_be16(ib_addr_get_pkey(addr)); + path_rec.numb_path = 1; + + id_priv->query_id = ib_sa_path_rec_get(id_priv->id.device, + id_priv->id.port_num, &path_rec, + IB_SA_PATH_REC_DGID | IB_SA_PATH_REC_SGID | + IB_SA_PATH_REC_PKEY | IB_SA_PATH_REC_NUMB_PATH, + timeout_ms, GFP_KERNEL, + cma_query_handler, work, &id_priv->query); + + return (id_priv->query_id < 0) ? id_priv->query_id : 0; +} + +static void cma_work_handler(void *data) +{ + struct cma_work *work = data; + struct rdma_id_private *id_priv = work->id; + int destroy = 0; + + atomic_inc(&id_priv->dev_remove); + if (!cma_comp_exch(id_priv, work->old_state, work->new_state)) + goto out; + + if (id_priv->id.event_handler(&id_priv->id, &work->event)) { + cma_exch(id_priv, CMA_DESTROYING); + destroy = 1; + } +out: + cma_release_remove(id_priv); + cma_deref_id(id_priv); + if (destroy) + rdma_destroy_id(&id_priv->id); + kfree(work); +} + +static int cma_resolve_ib_route(struct rdma_id_private *id_priv, int timeout_ms) +{ + struct rdma_route *route = &id_priv->id.route; + struct cma_work *work; + int ret; + + work = kzalloc(sizeof *work, GFP_KERNEL); + if (!work) + return -ENOMEM; + + work->id = id_priv; + INIT_WORK(&work->work, cma_work_handler, work); + work->old_state = CMA_ROUTE_QUERY; + work->new_state = CMA_ROUTE_RESOLVED; + work->event.event = RDMA_CM_EVENT_ROUTE_RESOLVED; + + route->path_rec = kmalloc(sizeof *route->path_rec, GFP_KERNEL); + if (!route->path_rec) { + ret = -ENOMEM; + goto err1; + } + + ret = cma_query_ib_route(id_priv, timeout_ms, work); + if (ret) + goto err2; + + return 0; +err2: + kfree(route->path_rec); + route->path_rec = NULL; +err1: + kfree(work); + return ret; +} + +int rdma_set_ib_paths(struct rdma_cm_id *id, + struct ib_sa_path_rec *path_rec, int num_paths) +{ + struct rdma_id_private *id_priv; + int ret; + + id_priv = container_of(id, struct rdma_id_private, id); + if (!cma_comp_exch(id_priv, CMA_ADDR_RESOLVED, CMA_ROUTE_RESOLVED)) + return -EINVAL; + + id->route.path_rec = kmalloc(sizeof *path_rec * num_paths, GFP_KERNEL); + if (!id->route.path_rec) { + ret = -ENOMEM; + goto err; + } + + memcpy(id->route.path_rec, path_rec, sizeof *path_rec * num_paths); + return 0; +err: + cma_comp_exch(id_priv, CMA_ROUTE_RESOLVED, CMA_ADDR_RESOLVED); + return ret; +} +EXPORT_SYMBOL(rdma_set_ib_paths); + +int rdma_resolve_route(struct rdma_cm_id *id, int timeout_ms) +{ + struct rdma_id_private *id_priv; + int ret; + + id_priv = container_of(id, struct rdma_id_private, id); + if (!cma_comp_exch(id_priv, CMA_ADDR_RESOLVED, CMA_ROUTE_QUERY)) + return -EINVAL; + + atomic_inc(&id_priv->refcount); + switch (id->device->node_type) { + case IB_NODE_CA: + ret = cma_resolve_ib_route(id_priv, timeout_ms); + break; + default: + ret = -ENOSYS; + break; + } + if (ret) + goto err; + + return 0; +err: + cma_comp_exch(id_priv, CMA_ROUTE_QUERY, CMA_ADDR_RESOLVED); + cma_deref_id(id_priv); + return ret; +} +EXPORT_SYMBOL(rdma_resolve_route); + +static int cma_bind_loopback(struct rdma_id_private *id_priv) +{ + struct cma_device *cma_dev; + struct ib_port_attr port_attr; + union ib_gid *gid; + u16 pkey; + int ret; + u8 p; + + mutex_lock(&lock); + list_for_each_entry(cma_dev, &dev_list, list) + for (p = 1; p <= cma_dev->device->phys_port_cnt; ++p) + if (!ib_query_port (cma_dev->device, p, &port_attr) && + port_attr.state == IB_PORT_ACTIVE) + goto port_found; + + if (!list_empty(&dev_list)) { + p = 1; + cma_dev = list_entry(dev_list.next, struct cma_device, list); + } else { + ret = -ENODEV; + goto out; + } + +port_found: + gid = ib_addr_get_sgid(&id_priv->id.route.addr.dev_addr); + ret = ib_get_cached_gid(cma_dev->device, p, 0, gid); + if (ret) + goto out; + + ret = ib_get_cached_pkey(cma_dev->device, p, 0, &pkey); + if (ret) + goto out; + + ib_addr_set_pkey(&id_priv->id.route.addr.dev_addr, pkey); + id_priv->id.port_num = p; + cma_attach_to_dev(id_priv, cma_dev); +out: + mutex_unlock(&lock); + return ret; +} + +static void addr_handler(int status, struct sockaddr *src_addr, + struct rdma_dev_addr *dev_addr, void *context) +{ + struct rdma_id_private *id_priv = context; + enum rdma_cm_event_type event; + + atomic_inc(&id_priv->dev_remove); + if (!id_priv->cma_dev && !status) + status = cma_acquire_dev(id_priv); + + if (status) { + if (!cma_comp_exch(id_priv, CMA_ADDR_QUERY, CMA_ADDR_BOUND)) + goto out; + event = RDMA_CM_EVENT_ADDR_ERROR; + } else { + if (!cma_comp_exch(id_priv, CMA_ADDR_QUERY, CMA_ADDR_RESOLVED)) + goto out; + memcpy(&id_priv->id.route.addr.src_addr, src_addr, + ip_addr_size(src_addr)); + event = RDMA_CM_EVENT_ADDR_RESOLVED; + } + + if (cma_notify_user(id_priv, event, status, NULL, 0)) { + cma_exch(id_priv, CMA_DESTROYING); + cma_release_remove(id_priv); + cma_deref_id(id_priv); + rdma_destroy_id(&id_priv->id); + return; + } +out: + cma_release_remove(id_priv); + cma_deref_id(id_priv); +} + +static int cma_resolve_loopback(struct rdma_id_private *id_priv) +{ + struct cma_work *work; + struct sockaddr_in *src_in, *dst_in; + int ret; + + work = kzalloc(sizeof *work, GFP_KERNEL); + if (!work) + return -ENOMEM; + + if (!id_priv->cma_dev) { + ret = cma_bind_loopback(id_priv); + if (ret) + goto err; + } + + ib_addr_set_dgid(&id_priv->id.route.addr.dev_addr, + ib_addr_get_sgid(&id_priv->id.route.addr.dev_addr)); + + if (cma_zero_addr(&id_priv->id.route.addr.src_addr)) { + src_in = (struct sockaddr_in *)&id_priv->id.route.addr.src_addr; + dst_in = (struct sockaddr_in *)&id_priv->id.route.addr.dst_addr; + src_in->sin_family = dst_in->sin_family; + src_in->sin_addr.s_addr = dst_in->sin_addr.s_addr; + } + + work->id = id_priv; + INIT_WORK(&work->work, cma_work_handler, work); + work->old_state = CMA_ADDR_QUERY; + work->new_state = CMA_ADDR_RESOLVED; + work->event.event = RDMA_CM_EVENT_ADDR_RESOLVED; + queue_work(cma_wq, &work->work); + return 0; +err: + kfree(work); + return ret; +} + +static int cma_bind_addr(struct rdma_cm_id *id, struct sockaddr *src_addr, + struct sockaddr *dst_addr) +{ + if (src_addr && src_addr->sa_family) + return rdma_bind_addr(id, src_addr); + else + return cma_bind_any(id, dst_addr->sa_family); +} + +int rdma_resolve_addr(struct rdma_cm_id *id, struct sockaddr *src_addr, + struct sockaddr *dst_addr, int timeout_ms) +{ + struct rdma_id_private *id_priv; + int ret; + + id_priv = container_of(id, struct rdma_id_private, id); + if (id_priv->state == CMA_IDLE) { + ret = cma_bind_addr(id, src_addr, dst_addr); + if (ret) + return ret; + } + + if (!cma_comp_exch(id_priv, CMA_ADDR_BOUND, CMA_ADDR_QUERY)) + return -EINVAL; + + atomic_inc(&id_priv->refcount); + memcpy(&id->route.addr.dst_addr, dst_addr, ip_addr_size(dst_addr)); + if (cma_any_addr(dst_addr)) + ret = cma_resolve_loopback(id_priv); + else + ret = rdma_resolve_ip(&id->route.addr.src_addr, dst_addr, + &id->route.addr.dev_addr, + timeout_ms, addr_handler, id_priv); + if (ret) + goto err; + + return 0; +err: + cma_comp_exch(id_priv, CMA_ADDR_QUERY, CMA_ADDR_BOUND); + cma_deref_id(id_priv); + return ret; +} +EXPORT_SYMBOL(rdma_resolve_addr); + +static void cma_bind_port(struct rdma_bind_list *bind_list, + struct rdma_id_private *id_priv) +{ + struct sockaddr_in *sin; + + sin = (struct sockaddr_in *) &id_priv->id.route.addr.src_addr; + sin->sin_port = htons(bind_list->port); + id_priv->bind_list = bind_list; + hlist_add_head(&id_priv->node, &bind_list->owners); +} + +static int cma_alloc_port(struct idr *ps, struct rdma_id_private *id_priv, + unsigned short snum) +{ + struct rdma_bind_list *bind_list; + int port, start, ret; + + bind_list = kzalloc(sizeof *bind_list, GFP_KERNEL); + if (!bind_list) + return -ENOMEM; + + start = snum ? snum : sysctl_local_port_range[0]; + + do { + ret = idr_get_new_above(ps, bind_list, start, &port); + } while ((ret == -EAGAIN) && idr_pre_get(ps, GFP_KERNEL)); + + if (ret) + goto err; + + if ((snum && port != snum) || + (!snum && port > sysctl_local_port_range[1])) { + idr_remove(ps, port); + ret = -EADDRNOTAVAIL; + goto err; + } + + bind_list->ps = ps; + bind_list->port = (unsigned short) port; + cma_bind_port(bind_list, id_priv); + return 0; +err: + kfree(bind_list); + return ret; +} + +static int cma_use_port(struct idr *ps, struct rdma_id_private *id_priv) +{ + struct rdma_id_private *cur_id; + struct sockaddr_in *sin, *cur_sin; + struct rdma_bind_list *bind_list; + struct hlist_node *node; + unsigned short snum; + + sin = (struct sockaddr_in *) &id_priv->id.route.addr.src_addr; + snum = ntohs(sin->sin_port); + if (snum < PROT_SOCK && !capable(CAP_NET_BIND_SERVICE)) + return -EACCES; + + bind_list = idr_find(ps, snum); + if (!bind_list) + return cma_alloc_port(ps, id_priv, snum); + + /* + * We don't support binding to any address if anyone is bound to + * a specific address on the same port. + */ + if (cma_any_addr(&id_priv->id.route.addr.src_addr)) + return -EADDRNOTAVAIL; + + hlist_for_each_entry(cur_id, node, &bind_list->owners, node) { + if (cma_any_addr(&cur_id->id.route.addr.src_addr)) + return -EADDRNOTAVAIL; + + cur_sin = (struct sockaddr_in *) &cur_id->id.route.addr.src_addr; + if (sin->sin_addr.s_addr == cur_sin->sin_addr.s_addr) + return -EADDRINUSE; + } + + cma_bind_port(bind_list, id_priv); + return 0; +} + +static int cma_get_port(struct rdma_id_private *id_priv) +{ + struct idr *ps; + int ret; + + switch (id_priv->id.ps) { + case RDMA_PS_SDP: + ps = &sdp_ps; + break; + case RDMA_PS_TCP: + ps = &tcp_ps; + break; + default: + return -EPROTONOSUPPORT; + } + + mutex_lock(&lock); + if (cma_any_port(&id_priv->id.route.addr.src_addr)) + ret = cma_alloc_port(ps, id_priv, 0); + else + ret = cma_use_port(ps, id_priv); + mutex_unlock(&lock); + + return ret; +} + +int rdma_bind_addr(struct rdma_cm_id *id, struct sockaddr *addr) +{ + struct rdma_id_private *id_priv; + int ret; + + if (addr->sa_family != AF_INET) + return -EAFNOSUPPORT; + + id_priv = container_of(id, struct rdma_id_private, id); + if (!cma_comp_exch(id_priv, CMA_IDLE, CMA_ADDR_BOUND)) + return -EINVAL; + + if (!cma_any_addr(addr)) { + ret = rdma_translate_ip(addr, &id->route.addr.dev_addr); + if (!ret) + ret = cma_acquire_dev(id_priv); + if (ret) + goto err; + } + + memcpy(&id->route.addr.src_addr, addr, ip_addr_size(addr)); + ret = cma_get_port(id_priv); + if (ret) + goto err; + + return 0; +err: + cma_comp_exch(id_priv, CMA_ADDR_BOUND, CMA_IDLE); + return ret; +} +EXPORT_SYMBOL(rdma_bind_addr); + +static int cma_format_hdr(void *hdr, enum rdma_port_space ps, + struct rdma_route *route) +{ + struct sockaddr_in *src4, *dst4; + struct cma_hdr *cma_hdr; + struct sdp_hh *sdp_hdr; + + src4 = (struct sockaddr_in *) &route->addr.src_addr; + dst4 = (struct sockaddr_in *) &route->addr.dst_addr; + + switch (ps) { + case RDMA_PS_SDP: + sdp_hdr = hdr; + if (sdp_get_majv(sdp_hdr->sdp_version) != SDP_MAJ_VERSION) + return -EINVAL; + sdp_set_ip_ver(sdp_hdr, 4); + sdp_hdr->src_addr.ip4.addr = src4->sin_addr.s_addr; + sdp_hdr->dst_addr.ip4.addr = dst4->sin_addr.s_addr; + sdp_hdr->port = src4->sin_port; + break; + default: + cma_hdr = hdr; + cma_hdr->cma_version = CMA_VERSION; + cma_set_ip_ver(cma_hdr, 4); + cma_hdr->src_addr.ip4.addr = src4->sin_addr.s_addr; + cma_hdr->dst_addr.ip4.addr = dst4->sin_addr.s_addr; + cma_hdr->port = src4->sin_port; + break; + } + return 0; +} + +static int cma_connect_ib(struct rdma_id_private *id_priv, + struct rdma_conn_param *conn_param) +{ + struct ib_cm_req_param req; + struct rdma_route *route; + void *private_data; + int offset, ret; + + memset(&req, 0, sizeof req); + offset = cma_user_data_offset(id_priv->id.ps); + req.private_data_len = offset + conn_param->private_data_len; + private_data = kzalloc(req.private_data_len, GFP_ATOMIC); + if (!private_data) + return -ENOMEM; + + if (conn_param->private_data && conn_param->private_data_len) + memcpy(private_data + offset, conn_param->private_data, + conn_param->private_data_len); + + id_priv->cm_id.ib = ib_create_cm_id(id_priv->id.device, cma_ib_handler, + id_priv); + if (IS_ERR(id_priv->cm_id.ib)) { + ret = PTR_ERR(id_priv->cm_id.ib); + goto out; + } + + route = &id_priv->id.route; + ret = cma_format_hdr(private_data, id_priv->id.ps, route); + if (ret) + goto out; + req.private_data = private_data; + + req.primary_path = &route->path_rec[0]; + if (route->num_paths == 2) + req.alternate_path = &route->path_rec[1]; + + req.service_id = cma_get_service_id(id_priv->id.ps, + &route->addr.dst_addr); + req.qp_num = id_priv->qp_num; + req.qp_type = id_priv->qp_type; + req.starting_psn = id_priv->seq_num; + req.responder_resources = conn_param->responder_resources; + req.initiator_depth = conn_param->initiator_depth; + req.flow_control = conn_param->flow_control; + req.retry_count = conn_param->retry_count; + req.rnr_retry_count = conn_param->rnr_retry_count; + req.remote_cm_response_timeout = CMA_CM_RESPONSE_TIMEOUT; + req.local_cm_response_timeout = CMA_CM_RESPONSE_TIMEOUT; + req.max_cm_retries = CMA_MAX_CM_RETRIES; + req.srq = id_priv->srq ? 1 : 0; + + ret = ib_send_cm_req(id_priv->cm_id.ib, &req); +out: + kfree(private_data); + return ret; +} + +int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param) +{ + struct rdma_id_private *id_priv; + int ret; + + id_priv = container_of(id, struct rdma_id_private, id); + if (!cma_comp_exch(id_priv, CMA_ROUTE_RESOLVED, CMA_CONNECT)) + return -EINVAL; + + if (!id->qp) { + id_priv->qp_num = conn_param->qp_num; + id_priv->qp_type = conn_param->qp_type; + id_priv->srq = conn_param->srq; + } + + switch (id->device->node_type) { + case IB_NODE_CA: + ret = cma_connect_ib(id_priv, conn_param); + break; + default: + ret = -ENOSYS; + break; + } + if (ret) + goto err; + + return 0; +err: + cma_comp_exch(id_priv, CMA_CONNECT, CMA_ROUTE_RESOLVED); + return ret; +} +EXPORT_SYMBOL(rdma_connect); + +static int cma_accept_ib(struct rdma_id_private *id_priv, + struct rdma_conn_param *conn_param) +{ + struct ib_cm_rep_param rep; + int ret; + + ret = cma_modify_qp_rtr(&id_priv->id); + if (ret) + return ret; + + memset(&rep, 0, sizeof rep); + rep.qp_num = id_priv->qp_num; + rep.starting_psn = id_priv->seq_num; + rep.private_data = conn_param->private_data; + rep.private_data_len = conn_param->private_data_len; + rep.responder_resources = conn_param->responder_resources; + rep.initiator_depth = conn_param->initiator_depth; + rep.target_ack_delay = CMA_CM_RESPONSE_TIMEOUT; + rep.failover_accepted = 0; + rep.flow_control = conn_param->flow_control; + rep.rnr_retry_count = conn_param->rnr_retry_count; + rep.srq = id_priv->srq ? 1 : 0; + + return ib_send_cm_rep(id_priv->cm_id.ib, &rep); +} + +int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param) +{ + struct rdma_id_private *id_priv; + int ret; + + id_priv = container_of(id, struct rdma_id_private, id); + if (!cma_comp(id_priv, CMA_CONNECT)) + return -EINVAL; + + if (!id->qp && conn_param) { + id_priv->qp_num = conn_param->qp_num; + id_priv->qp_type = conn_param->qp_type; + id_priv->srq = conn_param->srq; + } + + switch (id->device->node_type) { + case IB_NODE_CA: + if (conn_param) + ret = cma_accept_ib(id_priv, conn_param); + else + ret = cma_rep_recv(id_priv); + break; + default: + ret = -ENOSYS; + break; + } + + if (ret) + goto reject; + + return 0; +reject: + cma_modify_qp_err(id); + rdma_reject(id, NULL, 0); + return ret; +} +EXPORT_SYMBOL(rdma_accept); + +int rdma_reject(struct rdma_cm_id *id, const void *private_data, + u8 private_data_len) +{ + struct rdma_id_private *id_priv; + int ret; + + id_priv = container_of(id, struct rdma_id_private, id); + if (!cma_comp(id_priv, CMA_CONNECT)) + return -EINVAL; + + switch (id->device->node_type) { + case IB_NODE_CA: + ret = ib_send_cm_rej(id_priv->cm_id.ib, + IB_CM_REJ_CONSUMER_DEFINED, NULL, 0, + private_data, private_data_len); + break; + default: + ret = -ENOSYS; + break; + } + return ret; +} +EXPORT_SYMBOL(rdma_reject); + +int rdma_disconnect(struct rdma_cm_id *id) +{ + struct rdma_id_private *id_priv; + int ret; + + id_priv = container_of(id, struct rdma_id_private, id); + if (!cma_comp(id_priv, CMA_CONNECT) && + !cma_comp(id_priv, CMA_DISCONNECT)) + return -EINVAL; + + ret = cma_modify_qp_err(id); + if (ret) + goto out; + + switch (id->device->node_type) { + case IB_NODE_CA: + /* Initiate or respond to a disconnect. */ + if (ib_send_cm_dreq(id_priv->cm_id.ib, NULL, 0)) + ib_send_cm_drep(id_priv->cm_id.ib, NULL, 0); + break; + default: + break; + } +out: + return ret; +} +EXPORT_SYMBOL(rdma_disconnect); + +static void cma_add_one(struct ib_device *device) +{ + struct cma_device *cma_dev; + struct rdma_id_private *id_priv; + + cma_dev = kmalloc(sizeof *cma_dev, GFP_KERNEL); + if (!cma_dev) + return; + + cma_dev->device = device; + cma_dev->node_guid = device->node_guid; + if (!cma_dev->node_guid) + goto err; + + init_completion(&cma_dev->comp); + atomic_set(&cma_dev->refcount, 1); + INIT_LIST_HEAD(&cma_dev->id_list); + ib_set_client_data(device, &cma_client, cma_dev); + + mutex_lock(&lock); + list_add_tail(&cma_dev->list, &dev_list); + list_for_each_entry(id_priv, &listen_any_list, list) + cma_listen_on_dev(id_priv, cma_dev); + mutex_unlock(&lock); + return; +err: + kfree(cma_dev); +} + +static int cma_remove_id_dev(struct rdma_id_private *id_priv) +{ + enum cma_state state; + + /* Record that we want to remove the device */ + state = cma_exch(id_priv, CMA_DEVICE_REMOVAL); + if (state == CMA_DESTROYING) + return 0; + + cma_cancel_operation(id_priv, state); + wait_event(id_priv->wait_remove, !atomic_read(&id_priv->dev_remove)); + + /* Check for destruction from another callback. */ + if (!cma_comp(id_priv, CMA_DEVICE_REMOVAL)) + return 0; + + return cma_notify_user(id_priv, RDMA_CM_EVENT_DEVICE_REMOVAL, + 0, NULL, 0); +} + +static void cma_process_remove(struct cma_device *cma_dev) +{ + struct list_head remove_list; + struct rdma_id_private *id_priv; + int ret; + + INIT_LIST_HEAD(&remove_list); + + mutex_lock(&lock); + while (!list_empty(&cma_dev->id_list)) { + id_priv = list_entry(cma_dev->id_list.next, + struct rdma_id_private, list); + + if (cma_internal_listen(id_priv)) { + cma_destroy_listen(id_priv); + continue; + } + + list_del(&id_priv->list); + list_add_tail(&id_priv->list, &remove_list); + atomic_inc(&id_priv->refcount); + mutex_unlock(&lock); + + ret = cma_remove_id_dev(id_priv); + cma_deref_id(id_priv); + if (ret) + rdma_destroy_id(&id_priv->id); + + mutex_lock(&lock); + } + mutex_unlock(&lock); + + cma_deref_dev(cma_dev); + wait_for_completion(&cma_dev->comp); +} + +static void cma_remove_one(struct ib_device *device) +{ + struct cma_device *cma_dev; + + cma_dev = ib_get_client_data(device, &cma_client); + if (!cma_dev) + return; + + mutex_lock(&lock); + list_del(&cma_dev->list); + mutex_unlock(&lock); + + cma_process_remove(cma_dev); + kfree(cma_dev); +} + +static int cma_init(void) +{ + int ret; + + cma_wq = create_singlethread_workqueue("rdma_cm_wq"); + if (!cma_wq) + return -ENOMEM; + + ret = ib_register_client(&cma_client); + if (ret) + goto err; + return 0; + +err: + destroy_workqueue(cma_wq); + return ret; +} + +static void cma_cleanup(void) +{ + ib_unregister_client(&cma_client); + destroy_workqueue(cma_wq); + idr_destroy(&sdp_ps); + idr_destroy(&tcp_ps); +} + +module_init(cma_init); +module_exit(cma_cleanup); diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c index 838bf54458d2..615fe9cc6c56 100644 --- a/drivers/infiniband/core/fmr_pool.c +++ b/drivers/infiniband/core/fmr_pool.c @@ -54,7 +54,7 @@ enum { /* * If an FMR is not in use, then the list member will point to either * its pool's free_list (if the FMR can be mapped again; that is, - * remap_count < IB_FMR_MAX_REMAPS) or its pool's dirty_list (if the + * remap_count < pool->max_remaps) or its pool's dirty_list (if the * FMR needs to be unmapped before being remapped). In either of * these cases it is a bug if the ref_count is not 0. In other words, * if ref_count is > 0, then the list member must not be linked into @@ -84,6 +84,7 @@ struct ib_fmr_pool { int pool_size; int max_pages; + int max_remaps; int dirty_watermark; int dirty_len; struct list_head free_list; @@ -214,8 +215,10 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd, { struct ib_device *device; struct ib_fmr_pool *pool; + struct ib_device_attr *attr; int i; int ret; + int max_remaps; if (!params) return ERR_PTR(-EINVAL); @@ -228,6 +231,26 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd, return ERR_PTR(-ENOSYS); } + attr = kmalloc(sizeof *attr, GFP_KERNEL); + if (!attr) { + printk(KERN_WARNING "couldn't allocate device attr struct"); + return ERR_PTR(-ENOMEM); + } + + ret = ib_query_device(device, attr); + if (ret) { + printk(KERN_WARNING "couldn't query device"); + kfree(attr); + return ERR_PTR(ret); + } + + if (!attr->max_map_per_fmr) + max_remaps = IB_FMR_MAX_REMAPS; + else + max_remaps = attr->max_map_per_fmr; + + kfree(attr); + pool = kmalloc(sizeof *pool, GFP_KERNEL); if (!pool) { printk(KERN_WARNING "couldn't allocate pool struct"); @@ -258,6 +281,7 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd, pool->pool_size = 0; pool->max_pages = params->max_pages_per_fmr; + pool->max_remaps = max_remaps; pool->dirty_watermark = params->dirty_watermark; pool->dirty_len = 0; spin_lock_init(&pool->pool_lock); @@ -279,7 +303,7 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd, struct ib_pool_fmr *fmr; struct ib_fmr_attr attr = { .max_pages = params->max_pages_per_fmr, - .max_maps = IB_FMR_MAX_REMAPS, + .max_maps = pool->max_remaps, .page_shift = params->page_shift }; @@ -489,7 +513,7 @@ int ib_fmr_pool_unmap(struct ib_pool_fmr *fmr) --fmr->ref_count; if (!fmr->ref_count) { - if (fmr->remap_count < IB_FMR_MAX_REMAPS) { + if (fmr->remap_count < pool->max_remaps) { list_add_tail(&fmr->list, &pool->free_list); } else { list_add_tail(&fmr->list, &pool->dirty_list); diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 5ad41a64314c..b38e02a5db35 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -34,6 +34,7 @@ * $Id: mad.c 5596 2006-03-03 01:00:07Z sean.hefty $ */ #include <linux/dma-mapping.h> +#include <rdma/ib_cache.h> #include "mad_priv.h" #include "mad_rmpp.h" @@ -45,8 +46,7 @@ MODULE_DESCRIPTION("kernel IB MAD API"); MODULE_AUTHOR("Hal Rosenstock"); MODULE_AUTHOR("Sean Hefty"); - -kmem_cache_t *ib_mad_cache; +static kmem_cache_t *ib_mad_cache; static struct list_head ib_mad_port_list; static u32 ib_mad_client_id = 0; @@ -1673,20 +1673,21 @@ static inline int rcv_has_same_class(struct ib_mad_send_wr_private *wr, rwc->recv_buf.mad->mad_hdr.mgmt_class; } -static inline int rcv_has_same_gid(struct ib_mad_send_wr_private *wr, +static inline int rcv_has_same_gid(struct ib_mad_agent_private *mad_agent_priv, + struct ib_mad_send_wr_private *wr, struct ib_mad_recv_wc *rwc ) { struct ib_ah_attr attr; u8 send_resp, rcv_resp; + union ib_gid sgid; + struct ib_device *device = mad_agent_priv->agent.device; + u8 port_num = mad_agent_priv->agent.port_num; + u8 lmc; send_resp = ((struct ib_mad *)(wr->send_buf.mad))-> mad_hdr.method & IB_MGMT_METHOD_RESP; rcv_resp = rwc->recv_buf.mad->mad_hdr.method & IB_MGMT_METHOD_RESP; - if (!send_resp && rcv_resp) - /* is request/response. GID/LIDs are both local (same). */ - return 1; - if (send_resp == rcv_resp) /* both requests, or both responses. GIDs different */ return 0; @@ -1695,48 +1696,78 @@ static inline int rcv_has_same_gid(struct ib_mad_send_wr_private *wr, /* Assume not equal, to avoid false positives. */ return 0; - if (!(attr.ah_flags & IB_AH_GRH) && !(rwc->wc->wc_flags & IB_WC_GRH)) - return attr.dlid == rwc->wc->slid; - else if ((attr.ah_flags & IB_AH_GRH) && - (rwc->wc->wc_flags & IB_WC_GRH)) - return memcmp(attr.grh.dgid.raw, - rwc->recv_buf.grh->sgid.raw, 16) == 0; - else + if (!!(attr.ah_flags & IB_AH_GRH) != + !!(rwc->wc->wc_flags & IB_WC_GRH)) /* one has GID, other does not. Assume different */ return 0; + + if (!send_resp && rcv_resp) { + /* is request/response. */ + if (!(attr.ah_flags & IB_AH_GRH)) { + if (ib_get_cached_lmc(device, port_num, &lmc)) + return 0; + return (!lmc || !((attr.src_path_bits ^ + rwc->wc->dlid_path_bits) & + ((1 << lmc) - 1))); + } else { + if (ib_get_cached_gid(device, port_num, + attr.grh.sgid_index, &sgid)) + return 0; + return !memcmp(sgid.raw, rwc->recv_buf.grh->dgid.raw, + 16); + } + } + + if (!(attr.ah_flags & IB_AH_GRH)) + return attr.dlid == rwc->wc->slid; + else + return !memcmp(attr.grh.dgid.raw, rwc->recv_buf.grh->sgid.raw, + 16); +} + +static inline int is_direct(u8 class) +{ + return (class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE); } + struct ib_mad_send_wr_private* ib_find_send_mad(struct ib_mad_agent_private *mad_agent_priv, - struct ib_mad_recv_wc *mad_recv_wc) + struct ib_mad_recv_wc *wc) { - struct ib_mad_send_wr_private *mad_send_wr; + struct ib_mad_send_wr_private *wr; struct ib_mad *mad; - mad = (struct ib_mad *)mad_recv_wc->recv_buf.mad; + mad = (struct ib_mad *)wc->recv_buf.mad; - list_for_each_entry(mad_send_wr, &mad_agent_priv->wait_list, - agent_list) { - if ((mad_send_wr->tid == mad->mad_hdr.tid) && - rcv_has_same_class(mad_send_wr, mad_recv_wc) && - rcv_has_same_gid(mad_send_wr, mad_recv_wc)) - return mad_send_wr; + list_for_each_entry(wr, &mad_agent_priv->wait_list, agent_list) { + if ((wr->tid == mad->mad_hdr.tid) && + rcv_has_same_class(wr, wc) && + /* + * Don't check GID for direct routed MADs. + * These might have permissive LIDs. + */ + (is_direct(wc->recv_buf.mad->mad_hdr.mgmt_class) || + rcv_has_same_gid(mad_agent_priv, wr, wc))) + return wr; } /* * It's possible to receive the response before we've * been notified that the send has completed */ - list_for_each_entry(mad_send_wr, &mad_agent_priv->send_list, - agent_list) { - if (is_data_mad(mad_agent_priv, mad_send_wr->send_buf.mad) && - mad_send_wr->tid == mad->mad_hdr.tid && - mad_send_wr->timeout && - rcv_has_same_class(mad_send_wr, mad_recv_wc) && - rcv_has_same_gid(mad_send_wr, mad_recv_wc)) { + list_for_each_entry(wr, &mad_agent_priv->send_list, agent_list) { + if (is_data_mad(mad_agent_priv, wr->send_buf.mad) && + wr->tid == mad->mad_hdr.tid && + wr->timeout && + rcv_has_same_class(wr, wc) && + /* + * Don't check GID for direct routed MADs. + * These might have permissive LIDs. + */ + (is_direct(wc->recv_buf.mad->mad_hdr.mgmt_class) || + rcv_has_same_gid(mad_agent_priv, wr, wc))) /* Verify request has not been canceled */ - return (mad_send_wr->status == IB_WC_SUCCESS) ? - mad_send_wr : NULL; - } + return (wr->status == IB_WC_SUCCESS) ? wr : NULL; } return NULL; } diff --git a/drivers/infiniband/core/mad_priv.h b/drivers/infiniband/core/mad_priv.h index b4fa28d3160f..d147f3bad2ce 100644 --- a/drivers/infiniband/core/mad_priv.h +++ b/drivers/infiniband/core/mad_priv.h @@ -212,8 +212,6 @@ struct ib_mad_port_private { struct ib_mad_qp_info qp_info[IB_MAD_QPS_CORE]; }; -extern kmem_cache_t *ib_mad_cache; - int ib_send_mad(struct ib_mad_send_wr_private *mad_send_wr); struct ib_mad_send_wr_private * diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index 501cc054cb3b..e911c99ff843 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -47,6 +47,7 @@ #include <rdma/ib_pack.h> #include <rdma/ib_sa.h> +#include <rdma/ib_cache.h> MODULE_AUTHOR("Roland Dreier"); MODULE_DESCRIPTION("InfiniBand subnet administration query support"); @@ -441,6 +442,36 @@ void ib_sa_cancel_query(int id, struct ib_sa_query *query) } EXPORT_SYMBOL(ib_sa_cancel_query); +int ib_init_ah_from_path(struct ib_device *device, u8 port_num, + struct ib_sa_path_rec *rec, struct ib_ah_attr *ah_attr) +{ + int ret; + u16 gid_index; + + memset(ah_attr, 0, sizeof *ah_attr); + ah_attr->dlid = be16_to_cpu(rec->dlid); + ah_attr->sl = rec->sl; + ah_attr->src_path_bits = be16_to_cpu(rec->slid) & 0x7f; + ah_attr->port_num = port_num; + + if (rec->hop_limit > 1) { + ah_attr->ah_flags = IB_AH_GRH; + ah_attr->grh.dgid = rec->dgid; + + ret = ib_find_cached_gid(device, &rec->sgid, &port_num, + &gid_index); + if (ret) + return ret; + + ah_attr->grh.sgid_index = gid_index; + ah_attr->grh.flow_label = be32_to_cpu(rec->flow_label); + ah_attr->grh.hop_limit = rec->hop_limit; + ah_attr->grh.traffic_class = rec->traffic_class; + } + return 0; +} +EXPORT_SYMBOL(ib_init_ah_from_path); + static void init_mad(struct ib_sa_mad *mad, struct ib_mad_agent *agent) { unsigned long flags; diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index 9164a09b6ccd..c1c6fda9452c 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -30,7 +30,7 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * - * $Id: ucm.c 2594 2005-06-13 19:46:02Z libor $ + * $Id: ucm.c 4311 2005-12-05 18:42:01Z sean.hefty $ */ #include <linux/completion.h> @@ -50,6 +50,7 @@ #include <rdma/ib_cm.h> #include <rdma/ib_user_cm.h> +#include <rdma/ib_marshall.h> MODULE_AUTHOR("Libor Michalek"); MODULE_DESCRIPTION("InfiniBand userspace Connection Manager access"); @@ -63,7 +64,7 @@ struct ib_ucm_device { }; struct ib_ucm_file { - struct semaphore mutex; + struct mutex file_mutex; struct file *filp; struct ib_ucm_device *device; @@ -152,7 +153,7 @@ static void ib_ucm_cleanup_events(struct ib_ucm_context *ctx) { struct ib_ucm_event *uevent; - down(&ctx->file->mutex); + mutex_lock(&ctx->file->file_mutex); list_del(&ctx->file_list); while (!list_empty(&ctx->events)) { @@ -167,7 +168,7 @@ static void ib_ucm_cleanup_events(struct ib_ucm_context *ctx) kfree(uevent); } - up(&ctx->file->mutex); + mutex_unlock(&ctx->file->file_mutex); } static struct ib_ucm_context *ib_ucm_ctx_alloc(struct ib_ucm_file *file) @@ -205,36 +206,6 @@ error: return NULL; } -static void ib_ucm_event_path_get(struct ib_ucm_path_rec *upath, - struct ib_sa_path_rec *kpath) -{ - if (!kpath || !upath) - return; - - memcpy(upath->dgid, kpath->dgid.raw, sizeof *upath->dgid); - memcpy(upath->sgid, kpath->sgid.raw, sizeof *upath->sgid); - - upath->dlid = kpath->dlid; - upath->slid = kpath->slid; - upath->raw_traffic = kpath->raw_traffic; - upath->flow_label = kpath->flow_label; - upath->hop_limit = kpath->hop_limit; - upath->traffic_class = kpath->traffic_class; - upath->reversible = kpath->reversible; - upath->numb_path = kpath->numb_path; - upath->pkey = kpath->pkey; - upath->sl = kpath->sl; - upath->mtu_selector = kpath->mtu_selector; - upath->mtu = kpath->mtu; - upath->rate_selector = kpath->rate_selector; - upath->rate = kpath->rate; - upath->packet_life_time = kpath->packet_life_time; - upath->preference = kpath->preference; - - upath->packet_life_time_selector = - kpath->packet_life_time_selector; -} - static void ib_ucm_event_req_get(struct ib_ucm_req_event_resp *ureq, struct ib_cm_req_event_param *kreq) { @@ -253,8 +224,10 @@ static void ib_ucm_event_req_get(struct ib_ucm_req_event_resp *ureq, ureq->srq = kreq->srq; ureq->port = kreq->port; - ib_ucm_event_path_get(&ureq->primary_path, kreq->primary_path); - ib_ucm_event_path_get(&ureq->alternate_path, kreq->alternate_path); + ib_copy_path_rec_to_user(&ureq->primary_path, kreq->primary_path); + if (kreq->alternate_path) + ib_copy_path_rec_to_user(&ureq->alternate_path, + kreq->alternate_path); } static void ib_ucm_event_rep_get(struct ib_ucm_rep_event_resp *urep, @@ -324,8 +297,8 @@ static int ib_ucm_event_process(struct ib_cm_event *evt, info = evt->param.rej_rcvd.ari; break; case IB_CM_LAP_RECEIVED: - ib_ucm_event_path_get(&uvt->resp.u.lap_resp.path, - evt->param.lap_rcvd.alternate_path); + ib_copy_path_rec_to_user(&uvt->resp.u.lap_resp.path, + evt->param.lap_rcvd.alternate_path); uvt->data_len = IB_CM_LAP_PRIVATE_DATA_SIZE; uvt->resp.present = IB_UCM_PRES_ALTERNATE; break; @@ -402,11 +375,11 @@ static int ib_ucm_event_handler(struct ib_cm_id *cm_id, if (result) goto err2; - down(&ctx->file->mutex); + mutex_lock(&ctx->file->file_mutex); list_add_tail(&uevent->file_list, &ctx->file->events); list_add_tail(&uevent->ctx_list, &ctx->events); wake_up_interruptible(&ctx->file->poll_wait); - up(&ctx->file->mutex); + mutex_unlock(&ctx->file->file_mutex); return 0; err2: @@ -432,7 +405,7 @@ static ssize_t ib_ucm_event(struct ib_ucm_file *file, if (copy_from_user(&cmd, inbuf, sizeof(cmd))) return -EFAULT; - down(&file->mutex); + mutex_lock(&file->file_mutex); while (list_empty(&file->events)) { if (file->filp->f_flags & O_NONBLOCK) { @@ -447,9 +420,9 @@ static ssize_t ib_ucm_event(struct ib_ucm_file *file, prepare_to_wait(&file->poll_wait, &wait, TASK_INTERRUPTIBLE); - up(&file->mutex); + mutex_unlock(&file->file_mutex); schedule(); - down(&file->mutex); + mutex_lock(&file->file_mutex); finish_wait(&file->poll_wait, &wait); } @@ -509,7 +482,7 @@ static ssize_t ib_ucm_event(struct ib_ucm_file *file, kfree(uevent->info); kfree(uevent); done: - up(&file->mutex); + mutex_unlock(&file->file_mutex); return result; } @@ -528,9 +501,9 @@ static ssize_t ib_ucm_create_id(struct ib_ucm_file *file, if (copy_from_user(&cmd, inbuf, sizeof(cmd))) return -EFAULT; - down(&file->mutex); + mutex_lock(&file->file_mutex); ctx = ib_ucm_ctx_alloc(file); - up(&file->mutex); + mutex_unlock(&file->file_mutex); if (!ctx) return -ENOMEM; @@ -637,65 +610,11 @@ static ssize_t ib_ucm_attr_id(struct ib_ucm_file *file, return result; } -static void ib_ucm_copy_ah_attr(struct ib_ucm_ah_attr *dest_attr, - struct ib_ah_attr *src_attr) -{ - memcpy(dest_attr->grh_dgid, src_attr->grh.dgid.raw, - sizeof src_attr->grh.dgid); - dest_attr->grh_flow_label = src_attr->grh.flow_label; - dest_attr->grh_sgid_index = src_attr->grh.sgid_index; - dest_attr->grh_hop_limit = src_attr->grh.hop_limit; - dest_attr->grh_traffic_class = src_attr->grh.traffic_class; - - dest_attr->dlid = src_attr->dlid; - dest_attr->sl = src_attr->sl; - dest_attr->src_path_bits = src_attr->src_path_bits; - dest_attr->static_rate = src_attr->static_rate; - dest_attr->is_global = (src_attr->ah_flags & IB_AH_GRH); - dest_attr->port_num = src_attr->port_num; -} - -static void ib_ucm_copy_qp_attr(struct ib_ucm_init_qp_attr_resp *dest_attr, - struct ib_qp_attr *src_attr) -{ - dest_attr->cur_qp_state = src_attr->cur_qp_state; - dest_attr->path_mtu = src_attr->path_mtu; - dest_attr->path_mig_state = src_attr->path_mig_state; - dest_attr->qkey = src_attr->qkey; - dest_attr->rq_psn = src_attr->rq_psn; - dest_attr->sq_psn = src_attr->sq_psn; - dest_attr->dest_qp_num = src_attr->dest_qp_num; - dest_attr->qp_access_flags = src_attr->qp_access_flags; - - dest_attr->max_send_wr = src_attr->cap.max_send_wr; - dest_attr->max_recv_wr = src_attr->cap.max_recv_wr; - dest_attr->max_send_sge = src_attr->cap.max_send_sge; - dest_attr->max_recv_sge = src_attr->cap.max_recv_sge; - dest_attr->max_inline_data = src_attr->cap.max_inline_data; - - ib_ucm_copy_ah_attr(&dest_attr->ah_attr, &src_attr->ah_attr); - ib_ucm_copy_ah_attr(&dest_attr->alt_ah_attr, &src_attr->alt_ah_attr); - - dest_attr->pkey_index = src_attr->pkey_index; - dest_attr->alt_pkey_index = src_attr->alt_pkey_index; - dest_attr->en_sqd_async_notify = src_attr->en_sqd_async_notify; - dest_attr->sq_draining = src_attr->sq_draining; - dest_attr->max_rd_atomic = src_attr->max_rd_atomic; - dest_attr->max_dest_rd_atomic = src_attr->max_dest_rd_atomic; - dest_attr->min_rnr_timer = src_attr->min_rnr_timer; - dest_attr->port_num = src_attr->port_num; - dest_attr->timeout = src_attr->timeout; - dest_attr->retry_cnt = src_attr->retry_cnt; - dest_attr->rnr_retry = src_attr->rnr_retry; - dest_attr->alt_port_num = src_attr->alt_port_num; - dest_attr->alt_timeout = src_attr->alt_timeout; -} - static ssize_t ib_ucm_init_qp_attr(struct ib_ucm_file *file, const char __user *inbuf, int in_len, int out_len) { - struct ib_ucm_init_qp_attr_resp resp; + struct ib_uverbs_qp_attr resp; struct ib_ucm_init_qp_attr cmd; struct ib_ucm_context *ctx; struct ib_qp_attr qp_attr; @@ -718,7 +637,7 @@ static ssize_t ib_ucm_init_qp_attr(struct ib_ucm_file *file, if (result) goto out; - ib_ucm_copy_qp_attr(&resp, &qp_attr); + ib_copy_qp_attr_to_user(&resp, &qp_attr); if (copy_to_user((void __user *)(unsigned long)cmd.response, &resp, sizeof(resp))) @@ -729,6 +648,17 @@ out: return result; } +static int ucm_validate_listen(__be64 service_id, __be64 service_mask) +{ + service_id &= service_mask; + + if (((service_id & IB_CMA_SERVICE_ID_MASK) == IB_CMA_SERVICE_ID) || + ((service_id & IB_SDP_SERVICE_ID_MASK) == IB_SDP_SERVICE_ID)) + return -EINVAL; + + return 0; +} + static ssize_t ib_ucm_listen(struct ib_ucm_file *file, const char __user *inbuf, int in_len, int out_len) @@ -744,7 +674,13 @@ static ssize_t ib_ucm_listen(struct ib_ucm_file *file, if (IS_ERR(ctx)) return PTR_ERR(ctx); - result = ib_cm_listen(ctx->cm_id, cmd.service_id, cmd.service_mask); + result = ucm_validate_listen(cmd.service_id, cmd.service_mask); + if (result) + goto out; + + result = ib_cm_listen(ctx->cm_id, cmd.service_id, cmd.service_mask, + NULL); +out: ib_ucm_ctx_put(ctx); return result; } @@ -793,7 +729,7 @@ static int ib_ucm_alloc_data(const void **dest, u64 src, u32 len) static int ib_ucm_path_get(struct ib_sa_path_rec **path, u64 src) { - struct ib_ucm_path_rec ucm_path; + struct ib_user_path_rec upath; struct ib_sa_path_rec *sa_path; *path = NULL; @@ -805,36 +741,14 @@ static int ib_ucm_path_get(struct ib_sa_path_rec **path, u64 src) if (!sa_path) return -ENOMEM; - if (copy_from_user(&ucm_path, (void __user *)(unsigned long)src, - sizeof(ucm_path))) { + if (copy_from_user(&upath, (void __user *)(unsigned long)src, + sizeof(upath))) { kfree(sa_path); return -EFAULT; } - memcpy(sa_path->dgid.raw, ucm_path.dgid, sizeof sa_path->dgid); - memcpy(sa_path->sgid.raw, ucm_path.sgid, sizeof sa_path->sgid); - - sa_path->dlid = ucm_path.dlid; - sa_path->slid = ucm_path.slid; - sa_path->raw_traffic = ucm_path.raw_traffic; - sa_path->flow_label = ucm_path.flow_label; - sa_path->hop_limit = ucm_path.hop_limit; - sa_path->traffic_class = ucm_path.traffic_class; - sa_path->reversible = ucm_path.reversible; - sa_path->numb_path = ucm_path.numb_path; - sa_path->pkey = ucm_path.pkey; - sa_path->sl = ucm_path.sl; - sa_path->mtu_selector = ucm_path.mtu_selector; - sa_path->mtu = ucm_path.mtu; - sa_path->rate_selector = ucm_path.rate_selector; - sa_path->rate = ucm_path.rate; - sa_path->packet_life_time = ucm_path.packet_life_time; - sa_path->preference = ucm_path.preference; - - sa_path->packet_life_time_selector = - ucm_path.packet_life_time_selector; - + ib_copy_path_rec_from_user(sa_path, &upath); *path = sa_path; return 0; } @@ -1130,7 +1044,6 @@ static ssize_t ib_ucm_send_sidr_req(struct ib_ucm_file *file, param.service_id = cmd.sid; param.timeout_ms = cmd.timeout; param.max_cm_retries = cmd.max_cm_retries; - param.pkey = cmd.pkey; ctx = ib_ucm_ctx_get(file, cmd.id); if (!IS_ERR(ctx)) { @@ -1263,7 +1176,7 @@ static int ib_ucm_open(struct inode *inode, struct file *filp) INIT_LIST_HEAD(&file->ctxs); init_waitqueue_head(&file->poll_wait); - init_MUTEX(&file->mutex); + mutex_init(&file->file_mutex); filp->private_data = file; file->filp = filp; @@ -1277,11 +1190,11 @@ static int ib_ucm_close(struct inode *inode, struct file *filp) struct ib_ucm_file *file = filp->private_data; struct ib_ucm_context *ctx; - down(&file->mutex); + mutex_lock(&file->file_mutex); while (!list_empty(&file->ctxs)) { ctx = list_entry(file->ctxs.next, struct ib_ucm_context, file_list); - up(&file->mutex); + mutex_unlock(&file->file_mutex); mutex_lock(&ctx_id_mutex); idr_remove(&ctx_id_table, ctx->id); @@ -1291,9 +1204,9 @@ static int ib_ucm_close(struct inode *inode, struct file *filp) ib_ucm_cleanup_events(ctx); kfree(ctx); - down(&file->mutex); + mutex_lock(&file->file_mutex); } - up(&file->mutex); + mutex_unlock(&file->file_mutex); kfree(file); return 0; } diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index 3372d67ff139..bb9bee56a824 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -132,7 +132,7 @@ struct ib_ucq_object { u32 async_events_reported; }; -extern struct mutex ib_uverbs_idr_mutex; +extern spinlock_t ib_uverbs_idr_lock; extern struct idr ib_uverbs_pd_idr; extern struct idr ib_uverbs_mr_idr; extern struct idr ib_uverbs_mw_idr; @@ -141,6 +141,8 @@ extern struct idr ib_uverbs_cq_idr; extern struct idr ib_uverbs_qp_idr; extern struct idr ib_uverbs_srq_idr; +void idr_remove_uobj(struct idr *idp, struct ib_uobject *uobj); + struct file *ib_uverbs_alloc_event_file(struct ib_uverbs_file *uverbs_file, int is_async, int *fd); void ib_uverbs_release_event_file(struct kref *ref); diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 9f69bd48eb1b..76bf61e9b552 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -50,6 +50,196 @@ (udata)->outlen = (olen); \ } while (0) +/* + * The ib_uobject locking scheme is as follows: + * + * - ib_uverbs_idr_lock protects the uverbs idrs themselves, so it + * needs to be held during all idr operations. When an object is + * looked up, a reference must be taken on the object's kref before + * dropping this lock. + * + * - Each object also has an rwsem. This rwsem must be held for + * reading while an operation that uses the object is performed. + * For example, while registering an MR, the associated PD's + * uobject.mutex must be held for reading. The rwsem must be held + * for writing while initializing or destroying an object. + * + * - In addition, each object has a "live" flag. If this flag is not + * set, then lookups of the object will fail even if it is found in + * the idr. This handles a reader that blocks and does not acquire + * the rwsem until after the object is destroyed. The destroy + * operation will set the live flag to 0 and then drop the rwsem; + * this will allow the reader to acquire the rwsem, see that the + * live flag is 0, and then drop the rwsem and its reference to + * object. The underlying storage will not be freed until the last + * reference to the object is dropped. + */ + +static void init_uobj(struct ib_uobject *uobj, u64 user_handle, + struct ib_ucontext *context) +{ + uobj->user_handle = user_handle; + uobj->context = context; + kref_init(&uobj->ref); + init_rwsem(&uobj->mutex); + uobj->live = 0; +} + +static void release_uobj(struct kref *kref) +{ + kfree(container_of(kref, struct ib_uobject, ref)); +} + +static void put_uobj(struct ib_uobject *uobj) +{ + kref_put(&uobj->ref, release_uobj); +} + +static void put_uobj_read(struct ib_uobject *uobj) +{ + up_read(&uobj->mutex); + put_uobj(uobj); +} + +static void put_uobj_write(struct ib_uobject *uobj) +{ + up_write(&uobj->mutex); + put_uobj(uobj); +} + +static int idr_add_uobj(struct idr *idr, struct ib_uobject *uobj) +{ + int ret; + +retry: + if (!idr_pre_get(idr, GFP_KERNEL)) + return -ENOMEM; + + spin_lock(&ib_uverbs_idr_lock); + ret = idr_get_new(idr, uobj, &uobj->id); + spin_unlock(&ib_uverbs_idr_lock); + + if (ret == -EAGAIN) + goto retry; + + return ret; +} + +void idr_remove_uobj(struct idr *idr, struct ib_uobject *uobj) +{ + spin_lock(&ib_uverbs_idr_lock); + idr_remove(idr, uobj->id); + spin_unlock(&ib_uverbs_idr_lock); +} + +static struct ib_uobject *__idr_get_uobj(struct idr *idr, int id, + struct ib_ucontext *context) +{ + struct ib_uobject *uobj; + + spin_lock(&ib_uverbs_idr_lock); + uobj = idr_find(idr, id); + if (uobj) + kref_get(&uobj->ref); + spin_unlock(&ib_uverbs_idr_lock); + + return uobj; +} + +static struct ib_uobject *idr_read_uobj(struct idr *idr, int id, + struct ib_ucontext *context) +{ + struct ib_uobject *uobj; + + uobj = __idr_get_uobj(idr, id, context); + if (!uobj) + return NULL; + + down_read(&uobj->mutex); + if (!uobj->live) { + put_uobj_read(uobj); + return NULL; + } + + return uobj; +} + +static struct ib_uobject *idr_write_uobj(struct idr *idr, int id, + struct ib_ucontext *context) +{ + struct ib_uobject *uobj; + + uobj = __idr_get_uobj(idr, id, context); + if (!uobj) + return NULL; + + down_write(&uobj->mutex); + if (!uobj->live) { + put_uobj_write(uobj); + return NULL; + } + + return uobj; +} + +static void *idr_read_obj(struct idr *idr, int id, struct ib_ucontext *context) +{ + struct ib_uobject *uobj; + + uobj = idr_read_uobj(idr, id, context); + return uobj ? uobj->object : NULL; +} + +static struct ib_pd *idr_read_pd(int pd_handle, struct ib_ucontext *context) +{ + return idr_read_obj(&ib_uverbs_pd_idr, pd_handle, context); +} + +static void put_pd_read(struct ib_pd *pd) +{ + put_uobj_read(pd->uobject); +} + +static struct ib_cq *idr_read_cq(int cq_handle, struct ib_ucontext *context) +{ + return idr_read_obj(&ib_uverbs_cq_idr, cq_handle, context); +} + +static void put_cq_read(struct ib_cq *cq) +{ + put_uobj_read(cq->uobject); +} + +static struct ib_ah *idr_read_ah(int ah_handle, struct ib_ucontext *context) +{ + return idr_read_obj(&ib_uverbs_ah_idr, ah_handle, context); +} + +static void put_ah_read(struct ib_ah *ah) +{ + put_uobj_read(ah->uobject); +} + +static struct ib_qp *idr_read_qp(int qp_handle, struct ib_ucontext *context) +{ + return idr_read_obj(&ib_uverbs_qp_idr, qp_handle, context); +} + +static void put_qp_read(struct ib_qp *qp) +{ + put_uobj_read(qp->uobject); +} + +static struct ib_srq *idr_read_srq(int srq_handle, struct ib_ucontext *context) +{ + return idr_read_obj(&ib_uverbs_srq_idr, srq_handle, context); +} + +static void put_srq_read(struct ib_srq *srq) +{ + put_uobj_read(srq->uobject); +} + ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file, const char __user *buf, int in_len, int out_len) @@ -80,8 +270,10 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file, in_len - sizeof cmd, out_len - sizeof resp); ucontext = ibdev->alloc_ucontext(ibdev, &udata); - if (IS_ERR(ucontext)) - return PTR_ERR(file->ucontext); + if (IS_ERR(ucontext)) { + ret = PTR_ERR(file->ucontext); + goto err; + } ucontext->device = ibdev; INIT_LIST_HEAD(&ucontext->pd_list); @@ -278,7 +470,8 @@ ssize_t ib_uverbs_alloc_pd(struct ib_uverbs_file *file, if (!uobj) return -ENOMEM; - uobj->context = file->ucontext; + init_uobj(uobj, 0, file->ucontext); + down_write(&uobj->mutex); pd = file->device->ib_dev->alloc_pd(file->device->ib_dev, file->ucontext, &udata); @@ -291,20 +484,10 @@ ssize_t ib_uverbs_alloc_pd(struct ib_uverbs_file *file, pd->uobject = uobj; atomic_set(&pd->usecnt, 0); - mutex_lock(&ib_uverbs_idr_mutex); - -retry: - if (!idr_pre_get(&ib_uverbs_pd_idr, GFP_KERNEL)) { - ret = -ENOMEM; - goto err_up; - } - - ret = idr_get_new(&ib_uverbs_pd_idr, pd, &uobj->id); - - if (ret == -EAGAIN) - goto retry; + uobj->object = pd; + ret = idr_add_uobj(&ib_uverbs_pd_idr, uobj); if (ret) - goto err_up; + goto err_idr; memset(&resp, 0, sizeof resp); resp.pd_handle = uobj->id; @@ -312,26 +495,27 @@ retry: if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) { ret = -EFAULT; - goto err_idr; + goto err_copy; } mutex_lock(&file->mutex); list_add_tail(&uobj->list, &file->ucontext->pd_list); mutex_unlock(&file->mutex); - mutex_unlock(&ib_uverbs_idr_mutex); + uobj->live = 1; + + up_write(&uobj->mutex); return in_len; -err_idr: - idr_remove(&ib_uverbs_pd_idr, uobj->id); +err_copy: + idr_remove_uobj(&ib_uverbs_pd_idr, uobj); -err_up: - mutex_unlock(&ib_uverbs_idr_mutex); +err_idr: ib_dealloc_pd(pd); err: - kfree(uobj); + put_uobj_write(uobj); return ret; } @@ -340,37 +524,34 @@ ssize_t ib_uverbs_dealloc_pd(struct ib_uverbs_file *file, int in_len, int out_len) { struct ib_uverbs_dealloc_pd cmd; - struct ib_pd *pd; struct ib_uobject *uobj; - int ret = -EINVAL; + int ret; if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - mutex_lock(&ib_uverbs_idr_mutex); + uobj = idr_write_uobj(&ib_uverbs_pd_idr, cmd.pd_handle, file->ucontext); + if (!uobj) + return -EINVAL; - pd = idr_find(&ib_uverbs_pd_idr, cmd.pd_handle); - if (!pd || pd->uobject->context != file->ucontext) - goto out; + ret = ib_dealloc_pd(uobj->object); + if (!ret) + uobj->live = 0; - uobj = pd->uobject; + put_uobj_write(uobj); - ret = ib_dealloc_pd(pd); if (ret) - goto out; + return ret; - idr_remove(&ib_uverbs_pd_idr, cmd.pd_handle); + idr_remove_uobj(&ib_uverbs_pd_idr, uobj); mutex_lock(&file->mutex); list_del(&uobj->list); mutex_unlock(&file->mutex); - kfree(uobj); - -out: - mutex_unlock(&ib_uverbs_idr_mutex); + put_uobj(uobj); - return ret ? ret : in_len; + return in_len; } ssize_t ib_uverbs_reg_mr(struct ib_uverbs_file *file, @@ -410,7 +591,8 @@ ssize_t ib_uverbs_reg_mr(struct ib_uverbs_file *file, if (!obj) return -ENOMEM; - obj->uobject.context = file->ucontext; + init_uobj(&obj->uobject, 0, file->ucontext); + down_write(&obj->uobject.mutex); /* * We ask for writable memory if any access flags other than @@ -427,23 +609,14 @@ ssize_t ib_uverbs_reg_mr(struct ib_uverbs_file *file, obj->umem.virt_base = cmd.hca_va; - mutex_lock(&ib_uverbs_idr_mutex); - - pd = idr_find(&ib_uverbs_pd_idr, cmd.pd_handle); - if (!pd || pd->uobject->context != file->ucontext) { - ret = -EINVAL; - goto err_up; - } - - if (!pd->device->reg_user_mr) { - ret = -ENOSYS; - goto err_up; - } + pd = idr_read_pd(cmd.pd_handle, file->ucontext); + if (!pd) + goto err_release; mr = pd->device->reg_user_mr(pd, &obj->umem, cmd.access_flags, &udata); if (IS_ERR(mr)) { ret = PTR_ERR(mr); - goto err_up; + goto err_put; } mr->device = pd->device; @@ -452,53 +625,48 @@ ssize_t ib_uverbs_reg_mr(struct ib_uverbs_file *file, atomic_inc(&pd->usecnt); atomic_set(&mr->usecnt, 0); - memset(&resp, 0, sizeof resp); - resp.lkey = mr->lkey; - resp.rkey = mr->rkey; - -retry: - if (!idr_pre_get(&ib_uverbs_mr_idr, GFP_KERNEL)) { - ret = -ENOMEM; - goto err_unreg; - } - - ret = idr_get_new(&ib_uverbs_mr_idr, mr, &obj->uobject.id); - - if (ret == -EAGAIN) - goto retry; + obj->uobject.object = mr; + ret = idr_add_uobj(&ib_uverbs_mr_idr, &obj->uobject); if (ret) goto err_unreg; + memset(&resp, 0, sizeof resp); + resp.lkey = mr->lkey; + resp.rkey = mr->rkey; resp.mr_handle = obj->uobject.id; if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) { ret = -EFAULT; - goto err_idr; + goto err_copy; } + put_pd_read(pd); + mutex_lock(&file->mutex); list_add_tail(&obj->uobject.list, &file->ucontext->mr_list); mutex_unlock(&file->mutex); - mutex_unlock(&ib_uverbs_idr_mutex); + obj->uobject.live = 1; + + up_write(&obj->uobject.mutex); return in_len; -err_idr: - idr_remove(&ib_uverbs_mr_idr, obj->uobject.id); +err_copy: + idr_remove_uobj(&ib_uverbs_mr_idr, &obj->uobject); err_unreg: ib_dereg_mr(mr); - atomic_dec(&pd->usecnt); -err_up: - mutex_unlock(&ib_uverbs_idr_mutex); +err_put: + put_pd_read(pd); +err_release: ib_umem_release(file->device->ib_dev, &obj->umem); err_free: - kfree(obj); + put_uobj_write(&obj->uobject); return ret; } @@ -508,37 +676,40 @@ ssize_t ib_uverbs_dereg_mr(struct ib_uverbs_file *file, { struct ib_uverbs_dereg_mr cmd; struct ib_mr *mr; + struct ib_uobject *uobj; struct ib_umem_object *memobj; int ret = -EINVAL; if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - mutex_lock(&ib_uverbs_idr_mutex); - - mr = idr_find(&ib_uverbs_mr_idr, cmd.mr_handle); - if (!mr || mr->uobject->context != file->ucontext) - goto out; + uobj = idr_write_uobj(&ib_uverbs_mr_idr, cmd.mr_handle, file->ucontext); + if (!uobj) + return -EINVAL; - memobj = container_of(mr->uobject, struct ib_umem_object, uobject); + memobj = container_of(uobj, struct ib_umem_object, uobject); + mr = uobj->object; ret = ib_dereg_mr(mr); + if (!ret) + uobj->live = 0; + + put_uobj_write(uobj); + if (ret) - goto out; + return ret; - idr_remove(&ib_uverbs_mr_idr, cmd.mr_handle); + idr_remove_uobj(&ib_uverbs_mr_idr, uobj); mutex_lock(&file->mutex); - list_del(&memobj->uobject.list); + list_del(&uobj->list); mutex_unlock(&file->mutex); ib_umem_release(file->device->ib_dev, &memobj->umem); - kfree(memobj); -out: - mutex_unlock(&ib_uverbs_idr_mutex); + put_uobj(uobj); - return ret ? ret : in_len; + return in_len; } ssize_t ib_uverbs_create_comp_channel(struct ib_uverbs_file *file, @@ -577,7 +748,7 @@ ssize_t ib_uverbs_create_cq(struct ib_uverbs_file *file, struct ib_uverbs_create_cq cmd; struct ib_uverbs_create_cq_resp resp; struct ib_udata udata; - struct ib_ucq_object *uobj; + struct ib_ucq_object *obj; struct ib_uverbs_event_file *ev_file = NULL; struct ib_cq *cq; int ret; @@ -595,10 +766,13 @@ ssize_t ib_uverbs_create_cq(struct ib_uverbs_file *file, if (cmd.comp_vector >= file->device->num_comp_vectors) return -EINVAL; - uobj = kmalloc(sizeof *uobj, GFP_KERNEL); - if (!uobj) + obj = kmalloc(sizeof *obj, GFP_KERNEL); + if (!obj) return -ENOMEM; + init_uobj(&obj->uobject, cmd.user_handle, file->ucontext); + down_write(&obj->uobject.mutex); + if (cmd.comp_channel >= 0) { ev_file = ib_uverbs_lookup_comp_file(cmd.comp_channel); if (!ev_file) { @@ -607,72 +781,64 @@ ssize_t ib_uverbs_create_cq(struct ib_uverbs_file *file, } } - uobj->uobject.user_handle = cmd.user_handle; - uobj->uobject.context = file->ucontext; - uobj->uverbs_file = file; - uobj->comp_events_reported = 0; - uobj->async_events_reported = 0; - INIT_LIST_HEAD(&uobj->comp_list); - INIT_LIST_HEAD(&uobj->async_list); + obj->uverbs_file = file; + obj->comp_events_reported = 0; + obj->async_events_reported = 0; + INIT_LIST_HEAD(&obj->comp_list); + INIT_LIST_HEAD(&obj->async_list); cq = file->device->ib_dev->create_cq(file->device->ib_dev, cmd.cqe, file->ucontext, &udata); if (IS_ERR(cq)) { ret = PTR_ERR(cq); - goto err; + goto err_file; } cq->device = file->device->ib_dev; - cq->uobject = &uobj->uobject; + cq->uobject = &obj->uobject; cq->comp_handler = ib_uverbs_comp_handler; cq->event_handler = ib_uverbs_cq_event_handler; cq->cq_context = ev_file; atomic_set(&cq->usecnt, 0); - mutex_lock(&ib_uverbs_idr_mutex); - -retry: - if (!idr_pre_get(&ib_uverbs_cq_idr, GFP_KERNEL)) { - ret = -ENOMEM; - goto err_up; - } - - ret = idr_get_new(&ib_uverbs_cq_idr, cq, &uobj->uobject.id); - - if (ret == -EAGAIN) - goto retry; + obj->uobject.object = cq; + ret = idr_add_uobj(&ib_uverbs_cq_idr, &obj->uobject); if (ret) - goto err_up; + goto err_free; memset(&resp, 0, sizeof resp); - resp.cq_handle = uobj->uobject.id; + resp.cq_handle = obj->uobject.id; resp.cqe = cq->cqe; if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) { ret = -EFAULT; - goto err_idr; + goto err_copy; } mutex_lock(&file->mutex); - list_add_tail(&uobj->uobject.list, &file->ucontext->cq_list); + list_add_tail(&obj->uobject.list, &file->ucontext->cq_list); mutex_unlock(&file->mutex); - mutex_unlock(&ib_uverbs_idr_mutex); + obj->uobject.live = 1; + + up_write(&obj->uobject.mutex); return in_len; -err_idr: - idr_remove(&ib_uverbs_cq_idr, uobj->uobject.id); +err_copy: + idr_remove_uobj(&ib_uverbs_cq_idr, &obj->uobject); + -err_up: - mutex_unlock(&ib_uverbs_idr_mutex); +err_free: ib_destroy_cq(cq); -err: +err_file: if (ev_file) - ib_uverbs_release_ucq(file, ev_file, uobj); - kfree(uobj); + ib_uverbs_release_ucq(file, ev_file, obj); + +err: + put_uobj_write(&obj->uobject); return ret; } @@ -693,11 +859,9 @@ ssize_t ib_uverbs_resize_cq(struct ib_uverbs_file *file, (unsigned long) cmd.response + sizeof resp, in_len - sizeof cmd, out_len - sizeof resp); - mutex_lock(&ib_uverbs_idr_mutex); - - cq = idr_find(&ib_uverbs_cq_idr, cmd.cq_handle); - if (!cq || cq->uobject->context != file->ucontext || !cq->device->resize_cq) - goto out; + cq = idr_read_cq(cmd.cq_handle, file->ucontext); + if (!cq) + return -EINVAL; ret = cq->device->resize_cq(cq, cmd.cqe, &udata); if (ret) @@ -711,7 +875,7 @@ ssize_t ib_uverbs_resize_cq(struct ib_uverbs_file *file, ret = -EFAULT; out: - mutex_unlock(&ib_uverbs_idr_mutex); + put_cq_read(cq); return ret ? ret : in_len; } @@ -722,6 +886,7 @@ ssize_t ib_uverbs_poll_cq(struct ib_uverbs_file *file, { struct ib_uverbs_poll_cq cmd; struct ib_uverbs_poll_cq_resp *resp; + struct ib_uobject *uobj; struct ib_cq *cq; struct ib_wc *wc; int ret = 0; @@ -742,15 +907,17 @@ ssize_t ib_uverbs_poll_cq(struct ib_uverbs_file *file, goto out_wc; } - mutex_lock(&ib_uverbs_idr_mutex); - cq = idr_find(&ib_uverbs_cq_idr, cmd.cq_handle); - if (!cq || cq->uobject->context != file->ucontext) { + uobj = idr_read_uobj(&ib_uverbs_cq_idr, cmd.cq_handle, file->ucontext); + if (!uobj) { ret = -EINVAL; goto out; } + cq = uobj->object; resp->count = ib_poll_cq(cq, cmd.ne, wc); + put_uobj_read(uobj); + for (i = 0; i < resp->count; i++) { resp->wc[i].wr_id = wc[i].wr_id; resp->wc[i].status = wc[i].status; @@ -772,7 +939,6 @@ ssize_t ib_uverbs_poll_cq(struct ib_uverbs_file *file, ret = -EFAULT; out: - mutex_unlock(&ib_uverbs_idr_mutex); kfree(resp); out_wc: @@ -785,22 +951,23 @@ ssize_t ib_uverbs_req_notify_cq(struct ib_uverbs_file *file, int out_len) { struct ib_uverbs_req_notify_cq cmd; + struct ib_uobject *uobj; struct ib_cq *cq; - int ret = -EINVAL; if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - mutex_lock(&ib_uverbs_idr_mutex); - cq = idr_find(&ib_uverbs_cq_idr, cmd.cq_handle); - if (cq && cq->uobject->context == file->ucontext) { - ib_req_notify_cq(cq, cmd.solicited_only ? - IB_CQ_SOLICITED : IB_CQ_NEXT_COMP); - ret = in_len; - } - mutex_unlock(&ib_uverbs_idr_mutex); + uobj = idr_read_uobj(&ib_uverbs_cq_idr, cmd.cq_handle, file->ucontext); + if (!uobj) + return -EINVAL; + cq = uobj->object; - return ret; + ib_req_notify_cq(cq, cmd.solicited_only ? + IB_CQ_SOLICITED : IB_CQ_NEXT_COMP); + + put_uobj_read(uobj); + + return in_len; } ssize_t ib_uverbs_destroy_cq(struct ib_uverbs_file *file, @@ -809,52 +976,50 @@ ssize_t ib_uverbs_destroy_cq(struct ib_uverbs_file *file, { struct ib_uverbs_destroy_cq cmd; struct ib_uverbs_destroy_cq_resp resp; + struct ib_uobject *uobj; struct ib_cq *cq; - struct ib_ucq_object *uobj; + struct ib_ucq_object *obj; struct ib_uverbs_event_file *ev_file; - u64 user_handle; int ret = -EINVAL; if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - memset(&resp, 0, sizeof resp); - - mutex_lock(&ib_uverbs_idr_mutex); + uobj = idr_write_uobj(&ib_uverbs_cq_idr, cmd.cq_handle, file->ucontext); + if (!uobj) + return -EINVAL; + cq = uobj->object; + ev_file = cq->cq_context; + obj = container_of(cq->uobject, struct ib_ucq_object, uobject); - cq = idr_find(&ib_uverbs_cq_idr, cmd.cq_handle); - if (!cq || cq->uobject->context != file->ucontext) - goto out; + ret = ib_destroy_cq(cq); + if (!ret) + uobj->live = 0; - user_handle = cq->uobject->user_handle; - uobj = container_of(cq->uobject, struct ib_ucq_object, uobject); - ev_file = cq->cq_context; + put_uobj_write(uobj); - ret = ib_destroy_cq(cq); if (ret) - goto out; + return ret; - idr_remove(&ib_uverbs_cq_idr, cmd.cq_handle); + idr_remove_uobj(&ib_uverbs_cq_idr, uobj); mutex_lock(&file->mutex); - list_del(&uobj->uobject.list); + list_del(&uobj->list); mutex_unlock(&file->mutex); - ib_uverbs_release_ucq(file, ev_file, uobj); + ib_uverbs_release_ucq(file, ev_file, obj); - resp.comp_events_reported = uobj->comp_events_reported; - resp.async_events_reported = uobj->async_events_reported; + memset(&resp, 0, sizeof resp); + resp.comp_events_reported = obj->comp_events_reported; + resp.async_events_reported = obj->async_events_reported; - kfree(uobj); + put_uobj(uobj); if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) - ret = -EFAULT; - -out: - mutex_unlock(&ib_uverbs_idr_mutex); + return -EFAULT; - return ret ? ret : in_len; + return in_len; } ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file, @@ -864,7 +1029,7 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file, struct ib_uverbs_create_qp cmd; struct ib_uverbs_create_qp_resp resp; struct ib_udata udata; - struct ib_uqp_object *uobj; + struct ib_uqp_object *obj; struct ib_pd *pd; struct ib_cq *scq, *rcq; struct ib_srq *srq; @@ -882,23 +1047,21 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file, (unsigned long) cmd.response + sizeof resp, in_len - sizeof cmd, out_len - sizeof resp); - uobj = kmalloc(sizeof *uobj, GFP_KERNEL); - if (!uobj) + obj = kmalloc(sizeof *obj, GFP_KERNEL); + if (!obj) return -ENOMEM; - mutex_lock(&ib_uverbs_idr_mutex); + init_uobj(&obj->uevent.uobject, cmd.user_handle, file->ucontext); + down_write(&obj->uevent.uobject.mutex); - pd = idr_find(&ib_uverbs_pd_idr, cmd.pd_handle); - scq = idr_find(&ib_uverbs_cq_idr, cmd.send_cq_handle); - rcq = idr_find(&ib_uverbs_cq_idr, cmd.recv_cq_handle); - srq = cmd.is_srq ? idr_find(&ib_uverbs_srq_idr, cmd.srq_handle) : NULL; + pd = idr_read_pd(cmd.pd_handle, file->ucontext); + scq = idr_read_cq(cmd.send_cq_handle, file->ucontext); + rcq = idr_read_cq(cmd.recv_cq_handle, file->ucontext); + srq = cmd.is_srq ? idr_read_srq(cmd.srq_handle, file->ucontext) : NULL; - if (!pd || pd->uobject->context != file->ucontext || - !scq || scq->uobject->context != file->ucontext || - !rcq || rcq->uobject->context != file->ucontext || - (cmd.is_srq && (!srq || srq->uobject->context != file->ucontext))) { + if (!pd || !scq || !rcq || (cmd.is_srq && !srq)) { ret = -EINVAL; - goto err_up; + goto err_put; } attr.event_handler = ib_uverbs_qp_event_handler; @@ -915,16 +1078,14 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file, attr.cap.max_recv_sge = cmd.max_recv_sge; attr.cap.max_inline_data = cmd.max_inline_data; - uobj->uevent.uobject.user_handle = cmd.user_handle; - uobj->uevent.uobject.context = file->ucontext; - uobj->uevent.events_reported = 0; - INIT_LIST_HEAD(&uobj->uevent.event_list); - INIT_LIST_HEAD(&uobj->mcast_list); + obj->uevent.events_reported = 0; + INIT_LIST_HEAD(&obj->uevent.event_list); + INIT_LIST_HEAD(&obj->mcast_list); qp = pd->device->create_qp(pd, &attr, &udata); if (IS_ERR(qp)) { ret = PTR_ERR(qp); - goto err_up; + goto err_put; } qp->device = pd->device; @@ -932,7 +1093,7 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file, qp->send_cq = attr.send_cq; qp->recv_cq = attr.recv_cq; qp->srq = attr.srq; - qp->uobject = &uobj->uevent.uobject; + qp->uobject = &obj->uevent.uobject; qp->event_handler = attr.event_handler; qp->qp_context = attr.qp_context; qp->qp_type = attr.qp_type; @@ -942,23 +1103,14 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file, if (attr.srq) atomic_inc(&attr.srq->usecnt); - memset(&resp, 0, sizeof resp); - resp.qpn = qp->qp_num; - -retry: - if (!idr_pre_get(&ib_uverbs_qp_idr, GFP_KERNEL)) { - ret = -ENOMEM; - goto err_destroy; - } - - ret = idr_get_new(&ib_uverbs_qp_idr, qp, &uobj->uevent.uobject.id); - - if (ret == -EAGAIN) - goto retry; + obj->uevent.uobject.object = qp; + ret = idr_add_uobj(&ib_uverbs_qp_idr, &obj->uevent.uobject); if (ret) goto err_destroy; - resp.qp_handle = uobj->uevent.uobject.id; + memset(&resp, 0, sizeof resp); + resp.qpn = qp->qp_num; + resp.qp_handle = obj->uevent.uobject.id; resp.max_recv_sge = attr.cap.max_recv_sge; resp.max_send_sge = attr.cap.max_send_sge; resp.max_recv_wr = attr.cap.max_recv_wr; @@ -968,32 +1120,42 @@ retry: if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) { ret = -EFAULT; - goto err_idr; + goto err_copy; } + put_pd_read(pd); + put_cq_read(scq); + put_cq_read(rcq); + if (srq) + put_srq_read(srq); + mutex_lock(&file->mutex); - list_add_tail(&uobj->uevent.uobject.list, &file->ucontext->qp_list); + list_add_tail(&obj->uevent.uobject.list, &file->ucontext->qp_list); mutex_unlock(&file->mutex); - mutex_unlock(&ib_uverbs_idr_mutex); + obj->uevent.uobject.live = 1; + + up_write(&obj->uevent.uobject.mutex); return in_len; -err_idr: - idr_remove(&ib_uverbs_qp_idr, uobj->uevent.uobject.id); +err_copy: + idr_remove_uobj(&ib_uverbs_qp_idr, &obj->uevent.uobject); err_destroy: ib_destroy_qp(qp); - atomic_dec(&pd->usecnt); - atomic_dec(&attr.send_cq->usecnt); - atomic_dec(&attr.recv_cq->usecnt); - if (attr.srq) - atomic_dec(&attr.srq->usecnt); - -err_up: - mutex_unlock(&ib_uverbs_idr_mutex); - kfree(uobj); +err_put: + if (pd) + put_pd_read(pd); + if (scq) + put_cq_read(scq); + if (rcq) + put_cq_read(rcq); + if (srq) + put_srq_read(srq); + + put_uobj_write(&obj->uevent.uobject); return ret; } @@ -1018,15 +1180,15 @@ ssize_t ib_uverbs_query_qp(struct ib_uverbs_file *file, goto out; } - mutex_lock(&ib_uverbs_idr_mutex); - - qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle); - if (qp && qp->uobject->context == file->ucontext) - ret = ib_query_qp(qp, attr, cmd.attr_mask, init_attr); - else + qp = idr_read_qp(cmd.qp_handle, file->ucontext); + if (!qp) { ret = -EINVAL; + goto out; + } - mutex_unlock(&ib_uverbs_idr_mutex); + ret = ib_query_qp(qp, attr, cmd.attr_mask, init_attr); + + put_qp_read(qp); if (ret) goto out; @@ -1113,10 +1275,8 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file, if (!attr) return -ENOMEM; - mutex_lock(&ib_uverbs_idr_mutex); - - qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle); - if (!qp || qp->uobject->context != file->ucontext) { + qp = idr_read_qp(cmd.qp_handle, file->ucontext); + if (!qp) { ret = -EINVAL; goto out; } @@ -1168,13 +1328,15 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file, attr->alt_ah_attr.port_num = cmd.alt_dest.port_num; ret = ib_modify_qp(qp, attr, cmd.attr_mask); + + put_qp_read(qp); + if (ret) goto out; ret = in_len; out: - mutex_unlock(&ib_uverbs_idr_mutex); kfree(attr); return ret; @@ -1186,8 +1348,9 @@ ssize_t ib_uverbs_destroy_qp(struct ib_uverbs_file *file, { struct ib_uverbs_destroy_qp cmd; struct ib_uverbs_destroy_qp_resp resp; + struct ib_uobject *uobj; struct ib_qp *qp; - struct ib_uqp_object *uobj; + struct ib_uqp_object *obj; int ret = -EINVAL; if (copy_from_user(&cmd, buf, sizeof cmd)) @@ -1195,43 +1358,43 @@ ssize_t ib_uverbs_destroy_qp(struct ib_uverbs_file *file, memset(&resp, 0, sizeof resp); - mutex_lock(&ib_uverbs_idr_mutex); - - qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle); - if (!qp || qp->uobject->context != file->ucontext) - goto out; - - uobj = container_of(qp->uobject, struct ib_uqp_object, uevent.uobject); + uobj = idr_write_uobj(&ib_uverbs_qp_idr, cmd.qp_handle, file->ucontext); + if (!uobj) + return -EINVAL; + qp = uobj->object; + obj = container_of(uobj, struct ib_uqp_object, uevent.uobject); - if (!list_empty(&uobj->mcast_list)) { - ret = -EBUSY; - goto out; + if (!list_empty(&obj->mcast_list)) { + put_uobj_write(uobj); + return -EBUSY; } ret = ib_destroy_qp(qp); + if (!ret) + uobj->live = 0; + + put_uobj_write(uobj); + if (ret) - goto out; + return ret; - idr_remove(&ib_uverbs_qp_idr, cmd.qp_handle); + idr_remove_uobj(&ib_uverbs_qp_idr, uobj); mutex_lock(&file->mutex); - list_del(&uobj->uevent.uobject.list); + list_del(&uobj->list); mutex_unlock(&file->mutex); - ib_uverbs_release_uevent(file, &uobj->uevent); + ib_uverbs_release_uevent(file, &obj->uevent); - resp.events_reported = uobj->uevent.events_reported; + resp.events_reported = obj->uevent.events_reported; - kfree(uobj); + put_uobj(uobj); if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) - ret = -EFAULT; - -out: - mutex_unlock(&ib_uverbs_idr_mutex); + return -EFAULT; - return ret ? ret : in_len; + return in_len; } ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, @@ -1244,6 +1407,7 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, struct ib_send_wr *wr = NULL, *last, *next, *bad_wr; struct ib_qp *qp; int i, sg_ind; + int is_ud; ssize_t ret = -EINVAL; if (copy_from_user(&cmd, buf, sizeof cmd)) @@ -1260,12 +1424,11 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, if (!user_wr) return -ENOMEM; - mutex_lock(&ib_uverbs_idr_mutex); - - qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle); - if (!qp || qp->uobject->context != file->ucontext) + qp = idr_read_qp(cmd.qp_handle, file->ucontext); + if (!qp) goto out; + is_ud = qp->qp_type == IB_QPT_UD; sg_ind = 0; last = NULL; for (i = 0; i < cmd.wr_count; ++i) { @@ -1273,12 +1436,12 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, buf + sizeof cmd + i * cmd.wqe_size, cmd.wqe_size)) { ret = -EFAULT; - goto out; + goto out_put; } if (user_wr->num_sge + sg_ind > cmd.sge_count) { ret = -EINVAL; - goto out; + goto out_put; } next = kmalloc(ALIGN(sizeof *next, sizeof (struct ib_sge)) + @@ -1286,7 +1449,7 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, GFP_KERNEL); if (!next) { ret = -ENOMEM; - goto out; + goto out_put; } if (!last) @@ -1302,12 +1465,12 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, next->send_flags = user_wr->send_flags; next->imm_data = (__be32 __force) user_wr->imm_data; - if (qp->qp_type == IB_QPT_UD) { - next->wr.ud.ah = idr_find(&ib_uverbs_ah_idr, - user_wr->wr.ud.ah); + if (is_ud) { + next->wr.ud.ah = idr_read_ah(user_wr->wr.ud.ah, + file->ucontext); if (!next->wr.ud.ah) { ret = -EINVAL; - goto out; + goto out_put; } next->wr.ud.remote_qpn = user_wr->wr.ud.remote_qpn; next->wr.ud.remote_qkey = user_wr->wr.ud.remote_qkey; @@ -1344,7 +1507,7 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, sg_ind * sizeof (struct ib_sge), next->num_sge * sizeof (struct ib_sge))) { ret = -EFAULT; - goto out; + goto out_put; } sg_ind += next->num_sge; } else @@ -1364,10 +1527,13 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file, &resp, sizeof resp)) ret = -EFAULT; -out: - mutex_unlock(&ib_uverbs_idr_mutex); +out_put: + put_qp_read(qp); +out: while (wr) { + if (is_ud && wr->wr.ud.ah) + put_ah_read(wr->wr.ud.ah); next = wr->next; kfree(wr); wr = next; @@ -1482,14 +1648,15 @@ ssize_t ib_uverbs_post_recv(struct ib_uverbs_file *file, if (IS_ERR(wr)) return PTR_ERR(wr); - mutex_lock(&ib_uverbs_idr_mutex); - - qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle); - if (!qp || qp->uobject->context != file->ucontext) + qp = idr_read_qp(cmd.qp_handle, file->ucontext); + if (!qp) goto out; resp.bad_wr = 0; ret = qp->device->post_recv(qp, wr, &bad_wr); + + put_qp_read(qp); + if (ret) for (next = wr; next; next = next->next) { ++resp.bad_wr; @@ -1503,8 +1670,6 @@ ssize_t ib_uverbs_post_recv(struct ib_uverbs_file *file, ret = -EFAULT; out: - mutex_unlock(&ib_uverbs_idr_mutex); - while (wr) { next = wr->next; kfree(wr); @@ -1533,14 +1698,15 @@ ssize_t ib_uverbs_post_srq_recv(struct ib_uverbs_file *file, if (IS_ERR(wr)) return PTR_ERR(wr); - mutex_lock(&ib_uverbs_idr_mutex); - - srq = idr_find(&ib_uverbs_srq_idr, cmd.srq_handle); - if (!srq || srq->uobject->context != file->ucontext) + srq = idr_read_srq(cmd.srq_handle, file->ucontext); + if (!srq) goto out; resp.bad_wr = 0; ret = srq->device->post_srq_recv(srq, wr, &bad_wr); + + put_srq_read(srq); + if (ret) for (next = wr; next; next = next->next) { ++resp.bad_wr; @@ -1554,8 +1720,6 @@ ssize_t ib_uverbs_post_srq_recv(struct ib_uverbs_file *file, ret = -EFAULT; out: - mutex_unlock(&ib_uverbs_idr_mutex); - while (wr) { next = wr->next; kfree(wr); @@ -1587,17 +1751,15 @@ ssize_t ib_uverbs_create_ah(struct ib_uverbs_file *file, if (!uobj) return -ENOMEM; - mutex_lock(&ib_uverbs_idr_mutex); + init_uobj(uobj, cmd.user_handle, file->ucontext); + down_write(&uobj->mutex); - pd = idr_find(&ib_uverbs_pd_idr, cmd.pd_handle); - if (!pd || pd->uobject->context != file->ucontext) { + pd = idr_read_pd(cmd.pd_handle, file->ucontext); + if (!pd) { ret = -EINVAL; - goto err_up; + goto err; } - uobj->user_handle = cmd.user_handle; - uobj->context = file->ucontext; - attr.dlid = cmd.attr.dlid; attr.sl = cmd.attr.sl; attr.src_path_bits = cmd.attr.src_path_bits; @@ -1613,21 +1775,13 @@ ssize_t ib_uverbs_create_ah(struct ib_uverbs_file *file, ah = ib_create_ah(pd, &attr); if (IS_ERR(ah)) { ret = PTR_ERR(ah); - goto err_up; - } - - ah->uobject = uobj; - -retry: - if (!idr_pre_get(&ib_uverbs_ah_idr, GFP_KERNEL)) { - ret = -ENOMEM; - goto err_destroy; + goto err; } - ret = idr_get_new(&ib_uverbs_ah_idr, ah, &uobj->id); + ah->uobject = uobj; + uobj->object = ah; - if (ret == -EAGAIN) - goto retry; + ret = idr_add_uobj(&ib_uverbs_ah_idr, uobj); if (ret) goto err_destroy; @@ -1636,27 +1790,29 @@ retry: if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) { ret = -EFAULT; - goto err_idr; + goto err_copy; } + put_pd_read(pd); + mutex_lock(&file->mutex); list_add_tail(&uobj->list, &file->ucontext->ah_list); mutex_unlock(&file->mutex); - mutex_unlock(&ib_uverbs_idr_mutex); + uobj->live = 1; + + up_write(&uobj->mutex); return in_len; -err_idr: - idr_remove(&ib_uverbs_ah_idr, uobj->id); +err_copy: + idr_remove_uobj(&ib_uverbs_ah_idr, uobj); err_destroy: ib_destroy_ah(ah); -err_up: - mutex_unlock(&ib_uverbs_idr_mutex); - - kfree(uobj); +err: + put_uobj_write(uobj); return ret; } @@ -1666,35 +1822,34 @@ ssize_t ib_uverbs_destroy_ah(struct ib_uverbs_file *file, struct ib_uverbs_destroy_ah cmd; struct ib_ah *ah; struct ib_uobject *uobj; - int ret = -EINVAL; + int ret; if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - mutex_lock(&ib_uverbs_idr_mutex); + uobj = idr_write_uobj(&ib_uverbs_ah_idr, cmd.ah_handle, file->ucontext); + if (!uobj) + return -EINVAL; + ah = uobj->object; - ah = idr_find(&ib_uverbs_ah_idr, cmd.ah_handle); - if (!ah || ah->uobject->context != file->ucontext) - goto out; + ret = ib_destroy_ah(ah); + if (!ret) + uobj->live = 0; - uobj = ah->uobject; + put_uobj_write(uobj); - ret = ib_destroy_ah(ah); if (ret) - goto out; + return ret; - idr_remove(&ib_uverbs_ah_idr, cmd.ah_handle); + idr_remove_uobj(&ib_uverbs_ah_idr, uobj); mutex_lock(&file->mutex); list_del(&uobj->list); mutex_unlock(&file->mutex); - kfree(uobj); + put_uobj(uobj); -out: - mutex_unlock(&ib_uverbs_idr_mutex); - - return ret ? ret : in_len; + return in_len; } ssize_t ib_uverbs_attach_mcast(struct ib_uverbs_file *file, @@ -1703,47 +1858,43 @@ ssize_t ib_uverbs_attach_mcast(struct ib_uverbs_file *file, { struct ib_uverbs_attach_mcast cmd; struct ib_qp *qp; - struct ib_uqp_object *uobj; + struct ib_uqp_object *obj; struct ib_uverbs_mcast_entry *mcast; - int ret = -EINVAL; + int ret; if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - mutex_lock(&ib_uverbs_idr_mutex); - - qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle); - if (!qp || qp->uobject->context != file->ucontext) - goto out; + qp = idr_read_qp(cmd.qp_handle, file->ucontext); + if (!qp) + return -EINVAL; - uobj = container_of(qp->uobject, struct ib_uqp_object, uevent.uobject); + obj = container_of(qp->uobject, struct ib_uqp_object, uevent.uobject); - list_for_each_entry(mcast, &uobj->mcast_list, list) + list_for_each_entry(mcast, &obj->mcast_list, list) if (cmd.mlid == mcast->lid && !memcmp(cmd.gid, mcast->gid.raw, sizeof mcast->gid.raw)) { ret = 0; - goto out; + goto out_put; } mcast = kmalloc(sizeof *mcast, GFP_KERNEL); if (!mcast) { ret = -ENOMEM; - goto out; + goto out_put; } mcast->lid = cmd.mlid; memcpy(mcast->gid.raw, cmd.gid, sizeof mcast->gid.raw); ret = ib_attach_mcast(qp, &mcast->gid, cmd.mlid); - if (!ret) { - uobj = container_of(qp->uobject, struct ib_uqp_object, - uevent.uobject); - list_add_tail(&mcast->list, &uobj->mcast_list); - } else + if (!ret) + list_add_tail(&mcast->list, &obj->mcast_list); + else kfree(mcast); -out: - mutex_unlock(&ib_uverbs_idr_mutex); +out_put: + put_qp_read(qp); return ret ? ret : in_len; } @@ -1753,7 +1904,7 @@ ssize_t ib_uverbs_detach_mcast(struct ib_uverbs_file *file, int out_len) { struct ib_uverbs_detach_mcast cmd; - struct ib_uqp_object *uobj; + struct ib_uqp_object *obj; struct ib_qp *qp; struct ib_uverbs_mcast_entry *mcast; int ret = -EINVAL; @@ -1761,19 +1912,17 @@ ssize_t ib_uverbs_detach_mcast(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - mutex_lock(&ib_uverbs_idr_mutex); - - qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle); - if (!qp || qp->uobject->context != file->ucontext) - goto out; + qp = idr_read_qp(cmd.qp_handle, file->ucontext); + if (!qp) + return -EINVAL; ret = ib_detach_mcast(qp, (union ib_gid *) cmd.gid, cmd.mlid); if (ret) - goto out; + goto out_put; - uobj = container_of(qp->uobject, struct ib_uqp_object, uevent.uobject); + obj = container_of(qp->uobject, struct ib_uqp_object, uevent.uobject); - list_for_each_entry(mcast, &uobj->mcast_list, list) + list_for_each_entry(mcast, &obj->mcast_list, list) if (cmd.mlid == mcast->lid && !memcmp(cmd.gid, mcast->gid.raw, sizeof mcast->gid.raw)) { list_del(&mcast->list); @@ -1781,8 +1930,8 @@ ssize_t ib_uverbs_detach_mcast(struct ib_uverbs_file *file, break; } -out: - mutex_unlock(&ib_uverbs_idr_mutex); +out_put: + put_qp_read(qp); return ret ? ret : in_len; } @@ -1794,7 +1943,7 @@ ssize_t ib_uverbs_create_srq(struct ib_uverbs_file *file, struct ib_uverbs_create_srq cmd; struct ib_uverbs_create_srq_resp resp; struct ib_udata udata; - struct ib_uevent_object *uobj; + struct ib_uevent_object *obj; struct ib_pd *pd; struct ib_srq *srq; struct ib_srq_init_attr attr; @@ -1810,17 +1959,17 @@ ssize_t ib_uverbs_create_srq(struct ib_uverbs_file *file, (unsigned long) cmd.response + sizeof resp, in_len - sizeof cmd, out_len - sizeof resp); - uobj = kmalloc(sizeof *uobj, GFP_KERNEL); - if (!uobj) + obj = kmalloc(sizeof *obj, GFP_KERNEL); + if (!obj) return -ENOMEM; - mutex_lock(&ib_uverbs_idr_mutex); + init_uobj(&obj->uobject, 0, file->ucontext); + down_write(&obj->uobject.mutex); - pd = idr_find(&ib_uverbs_pd_idr, cmd.pd_handle); - - if (!pd || pd->uobject->context != file->ucontext) { + pd = idr_read_pd(cmd.pd_handle, file->ucontext); + if (!pd) { ret = -EINVAL; - goto err_up; + goto err; } attr.event_handler = ib_uverbs_srq_event_handler; @@ -1829,69 +1978,59 @@ ssize_t ib_uverbs_create_srq(struct ib_uverbs_file *file, attr.attr.max_sge = cmd.max_sge; attr.attr.srq_limit = cmd.srq_limit; - uobj->uobject.user_handle = cmd.user_handle; - uobj->uobject.context = file->ucontext; - uobj->events_reported = 0; - INIT_LIST_HEAD(&uobj->event_list); + obj->events_reported = 0; + INIT_LIST_HEAD(&obj->event_list); srq = pd->device->create_srq(pd, &attr, &udata); if (IS_ERR(srq)) { ret = PTR_ERR(srq); - goto err_up; + goto err; } srq->device = pd->device; srq->pd = pd; - srq->uobject = &uobj->uobject; + srq->uobject = &obj->uobject; srq->event_handler = attr.event_handler; srq->srq_context = attr.srq_context; atomic_inc(&pd->usecnt); atomic_set(&srq->usecnt, 0); - memset(&resp, 0, sizeof resp); - -retry: - if (!idr_pre_get(&ib_uverbs_srq_idr, GFP_KERNEL)) { - ret = -ENOMEM; - goto err_destroy; - } - - ret = idr_get_new(&ib_uverbs_srq_idr, srq, &uobj->uobject.id); - - if (ret == -EAGAIN) - goto retry; + obj->uobject.object = srq; + ret = idr_add_uobj(&ib_uverbs_srq_idr, &obj->uobject); if (ret) goto err_destroy; - resp.srq_handle = uobj->uobject.id; + memset(&resp, 0, sizeof resp); + resp.srq_handle = obj->uobject.id; resp.max_wr = attr.attr.max_wr; resp.max_sge = attr.attr.max_sge; if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) { ret = -EFAULT; - goto err_idr; + goto err_copy; } + put_pd_read(pd); + mutex_lock(&file->mutex); - list_add_tail(&uobj->uobject.list, &file->ucontext->srq_list); + list_add_tail(&obj->uobject.list, &file->ucontext->srq_list); mutex_unlock(&file->mutex); - mutex_unlock(&ib_uverbs_idr_mutex); + obj->uobject.live = 1; + + up_write(&obj->uobject.mutex); return in_len; -err_idr: - idr_remove(&ib_uverbs_srq_idr, uobj->uobject.id); +err_copy: + idr_remove_uobj(&ib_uverbs_srq_idr, &obj->uobject); err_destroy: ib_destroy_srq(srq); - atomic_dec(&pd->usecnt); - -err_up: - mutex_unlock(&ib_uverbs_idr_mutex); - kfree(uobj); +err: + put_uobj_write(&obj->uobject); return ret; } @@ -1907,21 +2046,16 @@ ssize_t ib_uverbs_modify_srq(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - mutex_lock(&ib_uverbs_idr_mutex); - - srq = idr_find(&ib_uverbs_srq_idr, cmd.srq_handle); - if (!srq || srq->uobject->context != file->ucontext) { - ret = -EINVAL; - goto out; - } + srq = idr_read_srq(cmd.srq_handle, file->ucontext); + if (!srq) + return -EINVAL; attr.max_wr = cmd.max_wr; attr.srq_limit = cmd.srq_limit; ret = ib_modify_srq(srq, &attr, cmd.attr_mask); -out: - mutex_unlock(&ib_uverbs_idr_mutex); + put_srq_read(srq); return ret ? ret : in_len; } @@ -1942,18 +2076,16 @@ ssize_t ib_uverbs_query_srq(struct ib_uverbs_file *file, if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - mutex_lock(&ib_uverbs_idr_mutex); + srq = idr_read_srq(cmd.srq_handle, file->ucontext); + if (!srq) + return -EINVAL; - srq = idr_find(&ib_uverbs_srq_idr, cmd.srq_handle); - if (srq && srq->uobject->context == file->ucontext) - ret = ib_query_srq(srq, &attr); - else - ret = -EINVAL; + ret = ib_query_srq(srq, &attr); - mutex_unlock(&ib_uverbs_idr_mutex); + put_srq_read(srq); if (ret) - goto out; + return ret; memset(&resp, 0, sizeof resp); @@ -1963,10 +2095,9 @@ ssize_t ib_uverbs_query_srq(struct ib_uverbs_file *file, if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) - ret = -EFAULT; + return -EFAULT; -out: - return ret ? ret : in_len; + return in_len; } ssize_t ib_uverbs_destroy_srq(struct ib_uverbs_file *file, @@ -1975,45 +2106,45 @@ ssize_t ib_uverbs_destroy_srq(struct ib_uverbs_file *file, { struct ib_uverbs_destroy_srq cmd; struct ib_uverbs_destroy_srq_resp resp; + struct ib_uobject *uobj; struct ib_srq *srq; - struct ib_uevent_object *uobj; + struct ib_uevent_object *obj; int ret = -EINVAL; if (copy_from_user(&cmd, buf, sizeof cmd)) return -EFAULT; - mutex_lock(&ib_uverbs_idr_mutex); - - memset(&resp, 0, sizeof resp); + uobj = idr_write_uobj(&ib_uverbs_srq_idr, cmd.srq_handle, file->ucontext); + if (!uobj) + return -EINVAL; + srq = uobj->object; + obj = container_of(uobj, struct ib_uevent_object, uobject); - srq = idr_find(&ib_uverbs_srq_idr, cmd.srq_handle); - if (!srq || srq->uobject->context != file->ucontext) - goto out; + ret = ib_destroy_srq(srq); + if (!ret) + uobj->live = 0; - uobj = container_of(srq->uobject, struct ib_uevent_object, uobject); + put_uobj_write(uobj); - ret = ib_destroy_srq(srq); if (ret) - goto out; + return ret; - idr_remove(&ib_uverbs_srq_idr, cmd.srq_handle); + idr_remove_uobj(&ib_uverbs_srq_idr, uobj); mutex_lock(&file->mutex); - list_del(&uobj->uobject.list); + list_del(&uobj->list); mutex_unlock(&file->mutex); - ib_uverbs_release_uevent(file, uobj); + ib_uverbs_release_uevent(file, obj); - resp.events_reported = uobj->events_reported; + memset(&resp, 0, sizeof resp); + resp.events_reported = obj->events_reported; - kfree(uobj); + put_uobj(uobj); if (copy_to_user((void __user *) (unsigned long) cmd.response, &resp, sizeof resp)) ret = -EFAULT; -out: - mutex_unlock(&ib_uverbs_idr_mutex); - return ret ? ret : in_len; } diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index ff092a0a94da..5ec2d49e9bb6 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -66,7 +66,7 @@ enum { static struct class *uverbs_class; -DEFINE_MUTEX(ib_uverbs_idr_mutex); +DEFINE_SPINLOCK(ib_uverbs_idr_lock); DEFINE_IDR(ib_uverbs_pd_idr); DEFINE_IDR(ib_uverbs_mr_idr); DEFINE_IDR(ib_uverbs_mw_idr); @@ -183,21 +183,21 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file, if (!context) return 0; - mutex_lock(&ib_uverbs_idr_mutex); - list_for_each_entry_safe(uobj, tmp, &context->ah_list, list) { - struct ib_ah *ah = idr_find(&ib_uverbs_ah_idr, uobj->id); - idr_remove(&ib_uverbs_ah_idr, uobj->id); + struct ib_ah *ah = uobj->object; + + idr_remove_uobj(&ib_uverbs_ah_idr, uobj); ib_destroy_ah(ah); list_del(&uobj->list); kfree(uobj); } list_for_each_entry_safe(uobj, tmp, &context->qp_list, list) { - struct ib_qp *qp = idr_find(&ib_uverbs_qp_idr, uobj->id); + struct ib_qp *qp = uobj->object; struct ib_uqp_object *uqp = container_of(uobj, struct ib_uqp_object, uevent.uobject); - idr_remove(&ib_uverbs_qp_idr, uobj->id); + + idr_remove_uobj(&ib_uverbs_qp_idr, uobj); ib_uverbs_detach_umcast(qp, uqp); ib_destroy_qp(qp); list_del(&uobj->list); @@ -206,11 +206,12 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file, } list_for_each_entry_safe(uobj, tmp, &context->cq_list, list) { - struct ib_cq *cq = idr_find(&ib_uverbs_cq_idr, uobj->id); + struct ib_cq *cq = uobj->object; struct ib_uverbs_event_file *ev_file = cq->cq_context; struct ib_ucq_object *ucq = container_of(uobj, struct ib_ucq_object, uobject); - idr_remove(&ib_uverbs_cq_idr, uobj->id); + + idr_remove_uobj(&ib_uverbs_cq_idr, uobj); ib_destroy_cq(cq); list_del(&uobj->list); ib_uverbs_release_ucq(file, ev_file, ucq); @@ -218,10 +219,11 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file, } list_for_each_entry_safe(uobj, tmp, &context->srq_list, list) { - struct ib_srq *srq = idr_find(&ib_uverbs_srq_idr, uobj->id); + struct ib_srq *srq = uobj->object; struct ib_uevent_object *uevent = container_of(uobj, struct ib_uevent_object, uobject); - idr_remove(&ib_uverbs_srq_idr, uobj->id); + + idr_remove_uobj(&ib_uverbs_srq_idr, uobj); ib_destroy_srq(srq); list_del(&uobj->list); ib_uverbs_release_uevent(file, uevent); @@ -231,11 +233,11 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file, /* XXX Free MWs */ list_for_each_entry_safe(uobj, tmp, &context->mr_list, list) { - struct ib_mr *mr = idr_find(&ib_uverbs_mr_idr, uobj->id); + struct ib_mr *mr = uobj->object; struct ib_device *mrdev = mr->device; struct ib_umem_object *memobj; - idr_remove(&ib_uverbs_mr_idr, uobj->id); + idr_remove_uobj(&ib_uverbs_mr_idr, uobj); ib_dereg_mr(mr); memobj = container_of(uobj, struct ib_umem_object, uobject); @@ -246,15 +248,14 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file, } list_for_each_entry_safe(uobj, tmp, &context->pd_list, list) { - struct ib_pd *pd = idr_find(&ib_uverbs_pd_idr, uobj->id); - idr_remove(&ib_uverbs_pd_idr, uobj->id); + struct ib_pd *pd = uobj->object; + + idr_remove_uobj(&ib_uverbs_pd_idr, uobj); ib_dealloc_pd(pd); list_del(&uobj->list); kfree(uobj); } - mutex_unlock(&ib_uverbs_idr_mutex); - return context->device->dealloc_ucontext(context); } diff --git a/drivers/infiniband/core/uverbs_marshall.c b/drivers/infiniband/core/uverbs_marshall.c new file mode 100644 index 000000000000..ce46b13ae02b --- /dev/null +++ b/drivers/infiniband/core/uverbs_marshall.c @@ -0,0 +1,138 @@ +/* + * Copyright (c) 2005 Intel Corporation. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include <rdma/ib_marshall.h> + +static void ib_copy_ah_attr_to_user(struct ib_uverbs_ah_attr *dst, + struct ib_ah_attr *src) +{ + memcpy(dst->grh.dgid, src->grh.dgid.raw, sizeof src->grh.dgid); + dst->grh.flow_label = src->grh.flow_label; + dst->grh.sgid_index = src->grh.sgid_index; + dst->grh.hop_limit = src->grh.hop_limit; + dst->grh.traffic_class = src->grh.traffic_class; + dst->dlid = src->dlid; + dst->sl = src->sl; + dst->src_path_bits = src->src_path_bits; + dst->static_rate = src->static_rate; + dst->is_global = src->ah_flags & IB_AH_GRH ? 1 : 0; + dst->port_num = src->port_num; +} + +void ib_copy_qp_attr_to_user(struct ib_uverbs_qp_attr *dst, + struct ib_qp_attr *src) +{ + dst->cur_qp_state = src->cur_qp_state; + dst->path_mtu = src->path_mtu; + dst->path_mig_state = src->path_mig_state; + dst->qkey = src->qkey; + dst->rq_psn = src->rq_psn; + dst->sq_psn = src->sq_psn; + dst->dest_qp_num = src->dest_qp_num; + dst->qp_access_flags = src->qp_access_flags; + + dst->max_send_wr = src->cap.max_send_wr; + dst->max_recv_wr = src->cap.max_recv_wr; + dst->max_send_sge = src->cap.max_send_sge; + dst->max_recv_sge = src->cap.max_recv_sge; + dst->max_inline_data = src->cap.max_inline_data; + + ib_copy_ah_attr_to_user(&dst->ah_attr, &src->ah_attr); + ib_copy_ah_attr_to_user(&dst->alt_ah_attr, &src->alt_ah_attr); + + dst->pkey_index = src->pkey_index; + dst->alt_pkey_index = src->alt_pkey_index; + dst->en_sqd_async_notify = src->en_sqd_async_notify; + dst->sq_draining = src->sq_draining; + dst->max_rd_atomic = src->max_rd_atomic; + dst->max_dest_rd_atomic = src->max_dest_rd_atomic; + dst->min_rnr_timer = src->min_rnr_timer; + dst->port_num = src->port_num; + dst->timeout = src->timeout; + dst->retry_cnt = src->retry_cnt; + dst->rnr_retry = src->rnr_retry; + dst->alt_port_num = src->alt_port_num; + dst->alt_timeout = src->alt_timeout; +} +EXPORT_SYMBOL(ib_copy_qp_attr_to_user); + +void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst, + struct ib_sa_path_rec *src) +{ + memcpy(dst->dgid, src->dgid.raw, sizeof src->dgid); + memcpy(dst->sgid, src->sgid.raw, sizeof src->sgid); + + dst->dlid = src->dlid; + dst->slid = src->slid; + dst->raw_traffic = src->raw_traffic; + dst->flow_label = src->flow_label; + dst->hop_limit = src->hop_limit; + dst->traffic_class = src->traffic_class; + dst->reversible = src->reversible; + dst->numb_path = src->numb_path; + dst->pkey = src->pkey; + dst->sl = src->sl; + dst->mtu_selector = src->mtu_selector; + dst->mtu = src->mtu; + dst->rate_selector = src->rate_selector; + dst->rate = src->rate; + dst->packet_life_time = src->packet_life_time; + dst->preference = src->preference; + dst->packet_life_time_selector = src->packet_life_time_selector; +} +EXPORT_SYMBOL(ib_copy_path_rec_to_user); + +void ib_copy_path_rec_from_user(struct ib_sa_path_rec *dst, + struct ib_user_path_rec *src) +{ + memcpy(dst->dgid.raw, src->dgid, sizeof dst->dgid); + memcpy(dst->sgid.raw, src->sgid, sizeof dst->sgid); + + dst->dlid = src->dlid; + dst->slid = src->slid; + dst->raw_traffic = src->raw_traffic; + dst->flow_label = src->flow_label; + dst->hop_limit = src->hop_limit; + dst->traffic_class = src->traffic_class; + dst->reversible = src->reversible; + dst->numb_path = src->numb_path; + dst->pkey = src->pkey; + dst->sl = src->sl; + dst->mtu_selector = src->mtu_selector; + dst->mtu = src->mtu; + dst->rate_selector = src->rate_selector; + dst->rate = src->rate; + dst->packet_life_time = src->packet_life_time; + dst->preference = src->preference; + dst->packet_life_time_selector = src->packet_life_time_selector; +} +EXPORT_SYMBOL(ib_copy_path_rec_from_user); diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index b78e7dc69330..468999c38803 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -125,35 +125,47 @@ struct ib_ah *ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr) } EXPORT_SYMBOL(ib_create_ah); -struct ib_ah *ib_create_ah_from_wc(struct ib_pd *pd, struct ib_wc *wc, - struct ib_grh *grh, u8 port_num) +int ib_init_ah_from_wc(struct ib_device *device, u8 port_num, struct ib_wc *wc, + struct ib_grh *grh, struct ib_ah_attr *ah_attr) { - struct ib_ah_attr ah_attr; u32 flow_class; u16 gid_index; int ret; - memset(&ah_attr, 0, sizeof ah_attr); - ah_attr.dlid = wc->slid; - ah_attr.sl = wc->sl; - ah_attr.src_path_bits = wc->dlid_path_bits; - ah_attr.port_num = port_num; + memset(ah_attr, 0, sizeof *ah_attr); + ah_attr->dlid = wc->slid; + ah_attr->sl = wc->sl; + ah_attr->src_path_bits = wc->dlid_path_bits; + ah_attr->port_num = port_num; if (wc->wc_flags & IB_WC_GRH) { - ah_attr.ah_flags = IB_AH_GRH; - ah_attr.grh.dgid = grh->sgid; + ah_attr->ah_flags = IB_AH_GRH; + ah_attr->grh.dgid = grh->sgid; - ret = ib_find_cached_gid(pd->device, &grh->dgid, &port_num, + ret = ib_find_cached_gid(device, &grh->dgid, &port_num, &gid_index); if (ret) - return ERR_PTR(ret); + return ret; - ah_attr.grh.sgid_index = (u8) gid_index; + ah_attr->grh.sgid_index = (u8) gid_index; flow_class = be32_to_cpu(grh->version_tclass_flow); - ah_attr.grh.flow_label = flow_class & 0xFFFFF; - ah_attr.grh.traffic_class = (flow_class >> 20) & 0xFF; - ah_attr.grh.hop_limit = grh->hop_limit; + ah_attr->grh.flow_label = flow_class & 0xFFFFF; + ah_attr->grh.hop_limit = grh->hop_limit; + ah_attr->grh.traffic_class = (flow_class >> 20) & 0xFF; } + return 0; +} +EXPORT_SYMBOL(ib_init_ah_from_wc); + +struct ib_ah *ib_create_ah_from_wc(struct ib_pd *pd, struct ib_wc *wc, + struct ib_grh *grh, u8 port_num) +{ + struct ib_ah_attr ah_attr; + int ret; + + ret = ib_init_ah_from_wc(pd->device, port_num, wc, grh, &ah_attr); + if (ret) + return ERR_PTR(ret); return ib_create_ah(pd, &ah_attr); } diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c index f7f8391fe43f..1a9d0a2c33c3 100644 --- a/drivers/infiniband/hw/ipath/ipath_mad.c +++ b/drivers/infiniband/hw/ipath/ipath_mad.c @@ -137,47 +137,11 @@ static int recv_subn_get_guidinfo(struct ib_smp *smp, return reply(smp); } -struct port_info { - __be64 mkey; - __be64 gid_prefix; - __be16 lid; - __be16 sm_lid; - __be32 cap_mask; - __be16 diag_code; - __be16 mkey_lease_period; - u8 local_port_num; - u8 link_width_enabled; - u8 link_width_supported; - u8 link_width_active; - u8 linkspeed_portstate; /* 4 bits, 4 bits */ - u8 portphysstate_linkdown; /* 4 bits, 4 bits */ - u8 mkeyprot_resv_lmc; /* 2 bits, 3, 3 */ - u8 linkspeedactive_enabled; /* 4 bits, 4 bits */ - u8 neighbormtu_mastersmsl; /* 4 bits, 4 bits */ - u8 vlcap_inittype; /* 4 bits, 4 bits */ - u8 vl_high_limit; - u8 vl_arb_high_cap; - u8 vl_arb_low_cap; - u8 inittypereply_mtucap; /* 4 bits, 4 bits */ - u8 vlstallcnt_hoqlife; /* 3 bits, 5 bits */ - u8 operationalvl_pei_peo_fpi_fpo; /* 4 bits, 1, 1, 1, 1 */ - __be16 mkey_violations; - __be16 pkey_violations; - __be16 qkey_violations; - u8 guid_cap; - u8 clientrereg_resv_subnetto; /* 1 bit, 2 bits, 5 */ - u8 resv_resptimevalue; /* 3 bits, 5 bits */ - u8 localphyerrors_overrunerrors; /* 4 bits, 4 bits */ - __be16 max_credit_hint; - u8 resv; - u8 link_roundtrip_latency[3]; -} __attribute__ ((packed)); - static int recv_subn_get_portinfo(struct ib_smp *smp, struct ib_device *ibdev, u8 port) { struct ipath_ibdev *dev; - struct port_info *pip = (struct port_info *)smp->data; + struct ib_port_info *pip = (struct ib_port_info *)smp->data; u16 lid; u8 ibcstat; u8 mtu; @@ -312,7 +276,7 @@ static int recv_subn_set_guidinfo(struct ib_smp *smp, static int recv_subn_set_portinfo(struct ib_smp *smp, struct ib_device *ibdev, u8 port) { - struct port_info *pip = (struct port_info *)smp->data; + struct ib_port_info *pip = (struct ib_port_info *)smp->data; struct ib_event event; struct ipath_ibdev *dev; u32 flags; @@ -445,7 +409,7 @@ static int recv_subn_set_portinfo(struct ib_smp *smp, if (pip->clientrereg_resv_subnetto & 0x80) { clientrereg = 1; - event.event = IB_EVENT_LID_CHANGE; + event.event = IB_EVENT_CLIENT_REREGISTER; ib_dispatch_event(&event); } diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index 798e13e14faf..d0f7731802c9 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -174,7 +174,6 @@ enum { struct mthca_cmd_context { struct completion done; - struct timer_list timer; int result; int next; u64 out_param; @@ -362,15 +361,6 @@ void mthca_cmd_event(struct mthca_dev *dev, complete(&context->done); } -static void event_timeout(unsigned long context_ptr) -{ - struct mthca_cmd_context *context = - (struct mthca_cmd_context *) context_ptr; - - context->result = -EBUSY; - complete(&context->done); -} - static int mthca_cmd_wait(struct mthca_dev *dev, u64 in_param, u64 *out_param, @@ -401,11 +391,10 @@ static int mthca_cmd_wait(struct mthca_dev *dev, if (err) goto out; - context->timer.expires = jiffies + timeout; - add_timer(&context->timer); - - wait_for_completion(&context->done); - del_timer_sync(&context->timer); + if (!wait_for_completion_timeout(&context->done, timeout)) { + err = -EBUSY; + goto out; + } err = context->result; if (err) @@ -535,10 +524,6 @@ int mthca_cmd_use_events(struct mthca_dev *dev) for (i = 0; i < dev->cmd.max_cmds; ++i) { dev->cmd.context[i].token = i; dev->cmd.context[i].next = i + 1; - init_timer(&dev->cmd.context[i].timer); - dev->cmd.context[i].timer.data = - (unsigned long) &dev->cmd.context[i]; - dev->cmd.context[i].timer.function = event_timeout; } dev->cmd.context[dev->cmd.max_cmds - 1].next = -1; diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c index 205854e9c662..3e27a084257e 100644 --- a/drivers/infiniband/hw/mthca/mthca_cq.c +++ b/drivers/infiniband/hw/mthca/mthca_cq.c @@ -540,8 +540,17 @@ static inline int mthca_poll_one(struct mthca_dev *dev, entry->wr_id = srq->wrid[wqe_index]; mthca_free_srq_wqe(srq, wqe); } else { + s32 wqe; wq = &(*cur_qp)->rq; - wqe_index = be32_to_cpu(cqe->wqe) >> wq->wqe_shift; + wqe = be32_to_cpu(cqe->wqe); + wqe_index = wqe >> wq->wqe_shift; + /* + * WQE addr == base - 1 might be reported in receive completion + * with error instead of (rq size - 1) by Sinai FW 1.0.800 and + * Arbel FW 5.1.400. This bug should be fixed in later FW revs. + */ + if (unlikely(wqe_index < 0)) + wqe_index = wq->max - 1; entry->wr_id = (*cur_qp)->wrid[wqe_index]; } @@ -813,6 +822,7 @@ int mthca_init_cq(struct mthca_dev *dev, int nent, spin_lock_init(&cq->lock); cq->refcount = 1; init_waitqueue_head(&cq->wait); + mutex_init(&cq->mutex); memset(cq_context, 0, sizeof *cq_context); cq_context->flags = cpu_to_be32(MTHCA_CQ_STATUS_OK | diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c index 99f109c3815d..d536217e700e 100644 --- a/drivers/infiniband/hw/mthca/mthca_eq.c +++ b/drivers/infiniband/hw/mthca/mthca_eq.c @@ -695,10 +695,6 @@ static void mthca_unmap_reg(struct mthca_dev *dev, unsigned long offset, static int __devinit mthca_map_eq_regs(struct mthca_dev *dev) { - unsigned long mthca_base; - - mthca_base = pci_resource_start(dev->pdev, 0); - if (mthca_is_memfree(dev)) { /* * We assume that the EQ arm and EQ set CI registers diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c index 4730863ece9a..d9bc030bcccc 100644 --- a/drivers/infiniband/hw/mthca/mthca_mad.c +++ b/drivers/infiniband/hw/mthca/mthca_mad.c @@ -114,14 +114,22 @@ static void smp_snoop(struct ib_device *ibdev, mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) && mad->mad_hdr.method == IB_MGMT_METHOD_SET) { if (mad->mad_hdr.attr_id == IB_SMP_ATTR_PORT_INFO) { + struct ib_port_info *pinfo = + (struct ib_port_info *) ((struct ib_smp *) mad)->data; + mthca_update_rate(to_mdev(ibdev), port_num); update_sm_ah(to_mdev(ibdev), port_num, - be16_to_cpup((__be16 *) (mad->data + 58)), - (*(u8 *) (mad->data + 76)) & 0xf); + be16_to_cpu(pinfo->lid), + pinfo->neighbormtu_mastersmsl & 0xf); event.device = ibdev; - event.event = IB_EVENT_LID_CHANGE; event.element.port_num = port_num; + + if(pinfo->clientrereg_resv_subnetto & 0x80) + event.event = IB_EVENT_CLIENT_REREGISTER; + else + event.event = IB_EVENT_LID_CHANGE; + ib_dispatch_event(&event); } diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index a2eae8a30167..230ae21db8fd 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -115,6 +115,16 @@ static int mthca_query_device(struct ib_device *ibdev, props->max_mcast_qp_attach = MTHCA_QP_PER_MGM; props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * props->max_mcast_grp; + /* + * If Sinai memory key optimization is being used, then only + * the 8-bit key portion will change. For other HCAs, the + * unused index bits will also be used for FMR remapping. + */ + if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT) + props->max_map_per_fmr = 255; + else + props->max_map_per_fmr = + (1 << (32 - long_log2(mdev->limits.num_mpts))) - 1; err = 0; out: @@ -783,18 +793,24 @@ static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *uda if (entries < 1 || entries > dev->limits.max_cqes) return -EINVAL; + mutex_lock(&cq->mutex); + entries = roundup_pow_of_two(entries + 1); - if (entries == ibcq->cqe + 1) - return 0; + if (entries == ibcq->cqe + 1) { + ret = 0; + goto out; + } if (cq->is_kernel) { ret = mthca_alloc_resize_buf(dev, cq, entries); if (ret) - return ret; + goto out; lkey = cq->resize_buf->buf.mr.ibmr.lkey; } else { - if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) - return -EFAULT; + if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) { + ret = -EFAULT; + goto out; + } lkey = ucmd.lkey; } @@ -811,7 +827,7 @@ static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *uda cq->resize_buf = NULL; spin_unlock_irq(&cq->lock); } - return ret; + goto out; } if (cq->is_kernel) { @@ -838,7 +854,10 @@ static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *uda } else ibcq->cqe = entries - 1; - return 0; +out: + mutex_unlock(&cq->mutex); + + return ret; } static int mthca_destroy_cq(struct ib_cq *cq) diff --git a/drivers/infiniband/hw/mthca/mthca_provider.h b/drivers/infiniband/hw/mthca/mthca_provider.h index 179a8f610d0f..8de2887ba15c 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.h +++ b/drivers/infiniband/hw/mthca/mthca_provider.h @@ -214,6 +214,7 @@ struct mthca_cq { int arm_sn; wait_queue_head_t wait; + struct mutex mutex; }; struct mthca_srq { @@ -237,6 +238,7 @@ struct mthca_srq { struct mthca_mr mr; wait_queue_head_t wait; + struct mutex mutex; }; struct mthca_wq { @@ -278,6 +280,7 @@ struct mthca_qp { union mthca_buf queue; wait_queue_head_t wait; + struct mutex mutex; }; struct mthca_sqp { diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index 07c13be07a4a..16c387d8170c 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -534,7 +534,9 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) struct mthca_qp_context *qp_context; u32 sqd_event = 0; u8 status; - int err; + int err = -EINVAL; + + mutex_lock(&qp->mutex); if (attr_mask & IB_QP_CUR_STATE) { cur_state = attr->cur_qp_state; @@ -553,39 +555,41 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) "%d->%d with attr 0x%08x\n", qp->transport, cur_state, new_state, attr_mask); - return -EINVAL; + goto out; } if ((attr_mask & IB_QP_PKEY_INDEX) && attr->pkey_index >= dev->limits.pkey_table_len) { mthca_dbg(dev, "P_Key index (%u) too large. max is %d\n", attr->pkey_index, dev->limits.pkey_table_len-1); - return -EINVAL; + goto out; } if ((attr_mask & IB_QP_PORT) && (attr->port_num == 0 || attr->port_num > dev->limits.num_ports)) { mthca_dbg(dev, "Port number (%u) is invalid\n", attr->port_num); - return -EINVAL; + goto out; } if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC && attr->max_rd_atomic > dev->limits.max_qp_init_rdma) { mthca_dbg(dev, "Max rdma_atomic as initiator %u too large (max is %d)\n", attr->max_rd_atomic, dev->limits.max_qp_init_rdma); - return -EINVAL; + goto out; } if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC && attr->max_dest_rd_atomic > 1 << dev->qp_table.rdb_shift) { mthca_dbg(dev, "Max rdma_atomic as responder %u too large (max %d)\n", attr->max_dest_rd_atomic, 1 << dev->qp_table.rdb_shift); - return -EINVAL; + goto out; } mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); - if (IS_ERR(mailbox)) - return PTR_ERR(mailbox); + if (IS_ERR(mailbox)) { + err = PTR_ERR(mailbox); + goto out; + } qp_param = mailbox->buf; qp_context = &qp_param->context; memset(qp_param, 0, sizeof *qp_param); @@ -618,7 +622,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) if (attr->path_mtu < IB_MTU_256 || attr->path_mtu > IB_MTU_2048) { mthca_dbg(dev, "path MTU (%u) is invalid\n", attr->path_mtu); - return -EINVAL; + goto out_mailbox; } qp_context->mtu_msgmax = (attr->path_mtu << 5) | 31; } @@ -672,7 +676,7 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) if (attr_mask & IB_QP_AV) { if (mthca_path_set(dev, &attr->ah_attr, &qp_context->pri_path, attr_mask & IB_QP_PORT ? attr->port_num : qp->port)) - return -EINVAL; + goto out_mailbox; qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_PRIMARY_ADDR_PATH); } @@ -686,18 +690,18 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) if (attr->alt_pkey_index >= dev->limits.pkey_table_len) { mthca_dbg(dev, "Alternate P_Key index (%u) too large. max is %d\n", attr->alt_pkey_index, dev->limits.pkey_table_len-1); - return -EINVAL; + goto out_mailbox; } if (attr->alt_port_num == 0 || attr->alt_port_num > dev->limits.num_ports) { mthca_dbg(dev, "Alternate port number (%u) is invalid\n", attr->alt_port_num); - return -EINVAL; + goto out_mailbox; } if (mthca_path_set(dev, &attr->alt_ah_attr, &qp_context->alt_path, attr->alt_ah_attr.port_num)) - return -EINVAL; + goto out_mailbox; qp_context->alt_path.port_pkey |= cpu_to_be32(attr->alt_pkey_index | attr->alt_port_num << 24); @@ -793,12 +797,12 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) err = mthca_MODIFY_QP(dev, cur_state, new_state, qp->qpn, 0, mailbox, sqd_event, &status); if (err) - goto out; + goto out_mailbox; if (status) { mthca_warn(dev, "modify QP %d->%d returned status %02x.\n", cur_state, new_state, status); err = -EINVAL; - goto out; + goto out_mailbox; } qp->state = new_state; @@ -853,8 +857,11 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask) } } -out: +out_mailbox: mthca_free_mailbox(dev, mailbox); + +out: + mutex_unlock(&qp->mutex); return err; } @@ -1100,6 +1107,7 @@ static int mthca_alloc_qp_common(struct mthca_dev *dev, qp->refcount = 1; init_waitqueue_head(&qp->wait); + mutex_init(&qp->mutex); qp->state = IB_QPS_RESET; qp->atomic_rd_en = 0; qp->resp_depth = 0; diff --git a/drivers/infiniband/hw/mthca/mthca_reset.c b/drivers/infiniband/hw/mthca/mthca_reset.c index df5e494a9d38..f4fddd5327f5 100644 --- a/drivers/infiniband/hw/mthca/mthca_reset.c +++ b/drivers/infiniband/hw/mthca/mthca_reset.c @@ -49,6 +49,12 @@ int mthca_reset(struct mthca_dev *mdev) u32 *hca_header = NULL; u32 *bridge_header = NULL; struct pci_dev *bridge = NULL; + int bridge_pcix_cap = 0; + int hca_pcie_cap = 0; + int hca_pcix_cap = 0; + + u16 devctl; + u16 linkctl; #define MTHCA_RESET_OFFSET 0xf0010 #define MTHCA_RESET_VALUE swab32(1) @@ -110,6 +116,9 @@ int mthca_reset(struct mthca_dev *mdev) } } + hca_pcix_cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX); + hca_pcie_cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP); + if (bridge) { bridge_header = kmalloc(256, GFP_KERNEL); if (!bridge_header) { @@ -129,6 +138,13 @@ int mthca_reset(struct mthca_dev *mdev) goto out; } } + bridge_pcix_cap = pci_find_capability(bridge, PCI_CAP_ID_PCIX); + if (!bridge_pcix_cap) { + err = -ENODEV; + mthca_err(mdev, "Couldn't locate HCA bridge " + "PCI-X capability, aborting.\n"); + goto out; + } } /* actually hit reset */ @@ -178,6 +194,20 @@ int mthca_reset(struct mthca_dev *mdev) good: /* Now restore the PCI headers */ if (bridge) { + if (pci_write_config_dword(bridge, bridge_pcix_cap + 0x8, + bridge_header[(bridge_pcix_cap + 0x8) / 4])) { + err = -ENODEV; + mthca_err(mdev, "Couldn't restore HCA bridge Upstream " + "split transaction control, aborting.\n"); + goto out; + } + if (pci_write_config_dword(bridge, bridge_pcix_cap + 0xc, + bridge_header[(bridge_pcix_cap + 0xc) / 4])) { + err = -ENODEV; + mthca_err(mdev, "Couldn't restore HCA bridge Downstream " + "split transaction control, aborting.\n"); + goto out; + } /* * Bridge control register is at 0x3e, so we'll * naturally restore it last in this loop. @@ -203,6 +233,35 @@ good: } } + if (hca_pcix_cap) { + if (pci_write_config_dword(mdev->pdev, hca_pcix_cap, + hca_header[hca_pcix_cap / 4])) { + err = -ENODEV; + mthca_err(mdev, "Couldn't restore HCA PCI-X " + "command register, aborting.\n"); + goto out; + } + } + + if (hca_pcie_cap) { + devctl = hca_header[(hca_pcie_cap + PCI_EXP_DEVCTL) / 4]; + if (pci_write_config_word(mdev->pdev, hca_pcie_cap + PCI_EXP_DEVCTL, + devctl)) { + err = -ENODEV; + mthca_err(mdev, "Couldn't restore HCA PCI Express " + "Device Control register, aborting.\n"); + goto out; + } + linkctl = hca_header[(hca_pcie_cap + PCI_EXP_LNKCTL) / 4]; + if (pci_write_config_word(mdev->pdev, hca_pcie_cap + PCI_EXP_LNKCTL, + linkctl)) { + err = -ENODEV; + mthca_err(mdev, "Couldn't restore HCA PCI Express " + "Link control register, aborting.\n"); + goto out; + } + } + for (i = 0; i < 16; ++i) { if (i * 4 == PCI_COMMAND) continue; diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c index b292fefa3b41..fab417c5cf43 100644 --- a/drivers/infiniband/hw/mthca/mthca_srq.c +++ b/drivers/infiniband/hw/mthca/mthca_srq.c @@ -243,6 +243,7 @@ int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd, spin_lock_init(&srq->lock); srq->refcount = 1; init_waitqueue_head(&srq->wait); + mutex_init(&srq->mutex); if (mthca_is_memfree(dev)) mthca_arbel_init_srq_context(dev, pd, srq, mailbox->buf); @@ -371,7 +372,11 @@ int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, if (attr_mask & IB_SRQ_LIMIT) { if (attr->srq_limit > srq->max) return -EINVAL; + + mutex_lock(&srq->mutex); ret = mthca_ARM_SRQ(dev, srq->srqn, attr->srq_limit, &status); + mutex_unlock(&srq->mutex); + if (ret) return ret; if (status) diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index 12a1e0572ef2..491d2afaf5b4 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -272,8 +272,7 @@ int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port); void ipoib_dev_cleanup(struct net_device *dev); void ipoib_mcast_join_task(void *dev_ptr); -void ipoib_mcast_send(struct net_device *dev, union ib_gid *mgid, - struct sk_buff *skb); +void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb); void ipoib_mcast_restart_task(void *dev_ptr); int ipoib_mcast_start_thread(struct net_device *dev); @@ -369,15 +368,26 @@ extern int ipoib_debug_level; #endif /* CONFIG_INFINIBAND_IPOIB_DEBUG_DATA */ -#define IPOIB_GID_FMT "%x:%x:%x:%x:%x:%x:%x:%x" - -#define IPOIB_GID_ARG(gid) be16_to_cpup((__be16 *) ((gid).raw + 0)), \ - be16_to_cpup((__be16 *) ((gid).raw + 2)), \ - be16_to_cpup((__be16 *) ((gid).raw + 4)), \ - be16_to_cpup((__be16 *) ((gid).raw + 6)), \ - be16_to_cpup((__be16 *) ((gid).raw + 8)), \ - be16_to_cpup((__be16 *) ((gid).raw + 10)), \ - be16_to_cpup((__be16 *) ((gid).raw + 12)), \ - be16_to_cpup((__be16 *) ((gid).raw + 14)) +#define IPOIB_GID_FMT "%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:" \ + "%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x:%2.2x%2.2x" + +#define IPOIB_GID_RAW_ARG(gid) ((u8 *)(gid))[0], \ + ((u8 *)(gid))[1], \ + ((u8 *)(gid))[2], \ + ((u8 *)(gid))[3], \ + ((u8 *)(gid))[4], \ + ((u8 *)(gid))[5], \ + ((u8 *)(gid))[6], \ + ((u8 *)(gid))[7], \ + ((u8 *)(gid))[8], \ + ((u8 *)(gid))[9], \ + ((u8 *)(gid))[10],\ + ((u8 *)(gid))[11],\ + ((u8 *)(gid))[12],\ + ((u8 *)(gid))[13],\ + ((u8 *)(gid))[14],\ + ((u8 *)(gid))[15] + +#define IPOIB_GID_ARG(gid) IPOIB_GID_RAW_ARG((gid).raw) #endif /* _IPOIB_H */ diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 8406839b91cf..5033666b1481 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -84,15 +84,9 @@ void ipoib_free_ah(struct kref *kref) unsigned long flags; - if ((int) priv->tx_tail - (int) ah->last_send >= 0) { - ipoib_dbg(priv, "Freeing ah %p\n", ah->ah); - ib_destroy_ah(ah->ah); - kfree(ah); - } else { - spin_lock_irqsave(&priv->lock, flags); - list_add_tail(&ah->list, &priv->dead_ahs); - spin_unlock_irqrestore(&priv->lock, flags); - } + spin_lock_irqsave(&priv->lock, flags); + list_add_tail(&ah->list, &priv->dead_ahs); + spin_unlock_irqrestore(&priv->lock, flags); } static int ipoib_ib_post_receive(struct net_device *dev, int id) @@ -377,19 +371,16 @@ static void __ipoib_reap_ah(struct net_device *dev) struct ipoib_ah *ah, *tah; LIST_HEAD(remove_list); - spin_lock_irq(&priv->lock); + spin_lock_irq(&priv->tx_lock); + spin_lock(&priv->lock); list_for_each_entry_safe(ah, tah, &priv->dead_ahs, list) if ((int) priv->tx_tail - (int) ah->last_send >= 0) { list_del(&ah->list); - list_add_tail(&ah->list, &remove_list); + ib_destroy_ah(ah->ah); + kfree(ah); } - spin_unlock_irq(&priv->lock); - - list_for_each_entry_safe(ah, tah, &remove_list, list) { - ipoib_dbg(priv, "Reaping ah %p\n", ah->ah); - ib_destroy_ah(ah->ah); - kfree(ah); - } + spin_unlock(&priv->lock); + spin_unlock_irq(&priv->tx_lock); } void ipoib_reap_ah(void *dev_ptr) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index cb078a7d0bf5..1c6ea1c682a5 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -185,8 +185,7 @@ static int ipoib_change_mtu(struct net_device *dev, int new_mtu) return 0; } -static struct ipoib_path *__path_find(struct net_device *dev, - union ib_gid *gid) +static struct ipoib_path *__path_find(struct net_device *dev, void *gid) { struct ipoib_dev_priv *priv = netdev_priv(dev); struct rb_node *n = priv->path_tree.rb_node; @@ -196,7 +195,7 @@ static struct ipoib_path *__path_find(struct net_device *dev, while (n) { path = rb_entry(n, struct ipoib_path, rb_node); - ret = memcmp(gid->raw, path->pathrec.dgid.raw, + ret = memcmp(gid, path->pathrec.dgid.raw, sizeof (union ib_gid)); if (ret < 0) @@ -424,8 +423,7 @@ static void path_rec_completion(int status, } } -static struct ipoib_path *path_rec_create(struct net_device *dev, - union ib_gid *gid) +static struct ipoib_path *path_rec_create(struct net_device *dev, void *gid) { struct ipoib_dev_priv *priv = netdev_priv(dev); struct ipoib_path *path; @@ -440,7 +438,7 @@ static struct ipoib_path *path_rec_create(struct net_device *dev, INIT_LIST_HEAD(&path->neigh_list); - memcpy(path->pathrec.dgid.raw, gid->raw, sizeof (union ib_gid)); + memcpy(path->pathrec.dgid.raw, gid, sizeof (union ib_gid)); path->pathrec.sgid = priv->local_gid; path->pathrec.pkey = cpu_to_be16(priv->pkey); path->pathrec.numb_path = 1; @@ -498,10 +496,9 @@ static void neigh_add_path(struct sk_buff *skb, struct net_device *dev) */ spin_lock(&priv->lock); - path = __path_find(dev, (union ib_gid *) (skb->dst->neighbour->ha + 4)); + path = __path_find(dev, skb->dst->neighbour->ha + 4); if (!path) { - path = path_rec_create(dev, - (union ib_gid *) (skb->dst->neighbour->ha + 4)); + path = path_rec_create(dev, skb->dst->neighbour->ha + 4); if (!path) goto err_path; @@ -551,7 +548,7 @@ static void ipoib_path_lookup(struct sk_buff *skb, struct net_device *dev) /* Add in the P_Key for multicasts */ skb->dst->neighbour->ha[8] = (priv->pkey >> 8) & 0xff; skb->dst->neighbour->ha[9] = priv->pkey & 0xff; - ipoib_mcast_send(dev, (union ib_gid *) (skb->dst->neighbour->ha + 4), skb); + ipoib_mcast_send(dev, skb->dst->neighbour->ha + 4, skb); } static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev, @@ -566,10 +563,9 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev, */ spin_lock(&priv->lock); - path = __path_find(dev, (union ib_gid *) (phdr->hwaddr + 4)); + path = __path_find(dev, phdr->hwaddr + 4); if (!path) { - path = path_rec_create(dev, - (union ib_gid *) (phdr->hwaddr + 4)); + path = path_rec_create(dev, phdr->hwaddr + 4); if (path) { /* put pseudoheader back on for next time */ skb_push(skb, sizeof *phdr); @@ -660,7 +656,7 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev) phdr->hwaddr[8] = (priv->pkey >> 8) & 0xff; phdr->hwaddr[9] = priv->pkey & 0xff; - ipoib_mcast_send(dev, (union ib_gid *) (phdr->hwaddr + 4), skb); + ipoib_mcast_send(dev, phdr->hwaddr + 4, skb); } else { /* unicast GID -- should be ARP or RARP reply */ @@ -671,7 +667,7 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev) skb->dst ? "neigh" : "dst", be16_to_cpup((__be16 *) skb->data), be32_to_cpup((__be32 *) phdr->hwaddr), - IPOIB_GID_ARG(*(union ib_gid *) (phdr->hwaddr + 4))); + IPOIB_GID_RAW_ARG(phdr->hwaddr + 4)); dev_kfree_skb_any(skb); ++priv->stats.tx_dropped; goto out; @@ -754,7 +750,7 @@ static void ipoib_neigh_destructor(struct neighbour *n) ipoib_dbg(priv, "neigh_destructor for %06x " IPOIB_GID_FMT "\n", be32_to_cpup((__be32 *) n->ha), - IPOIB_GID_ARG(*((union ib_gid *) (n->ha + 4)))); + IPOIB_GID_RAW_ARG(n->ha + 4)); spin_lock_irqsave(&priv->lock, flags); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index 1dae4b238252..216471fa01cc 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -154,7 +154,7 @@ static struct ipoib_mcast *ipoib_mcast_alloc(struct net_device *dev, return mcast; } -static struct ipoib_mcast *__ipoib_mcast_find(struct net_device *dev, union ib_gid *mgid) +static struct ipoib_mcast *__ipoib_mcast_find(struct net_device *dev, void *mgid) { struct ipoib_dev_priv *priv = netdev_priv(dev); struct rb_node *n = priv->multicast_tree.rb_node; @@ -165,7 +165,7 @@ static struct ipoib_mcast *__ipoib_mcast_find(struct net_device *dev, union ib_g mcast = rb_entry(n, struct ipoib_mcast, rb_node); - ret = memcmp(mgid->raw, mcast->mcmember.mgid.raw, + ret = memcmp(mgid, mcast->mcmember.mgid.raw, sizeof (union ib_gid)); if (ret < 0) n = n->rb_left; @@ -694,8 +694,7 @@ static int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast *mcast) return 0; } -void ipoib_mcast_send(struct net_device *dev, union ib_gid *mgid, - struct sk_buff *skb) +void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb) { struct ipoib_dev_priv *priv = netdev_priv(dev); struct ipoib_mcast *mcast; @@ -718,7 +717,7 @@ void ipoib_mcast_send(struct net_device *dev, union ib_gid *mgid, if (!mcast) { /* Let's create a new send only group now */ ipoib_dbg_mcast(priv, "setting up send only multicast group for " - IPOIB_GID_FMT "\n", IPOIB_GID_ARG(*mgid)); + IPOIB_GID_FMT "\n", IPOIB_GID_RAW_ARG(mgid)); mcast = ipoib_mcast_alloc(dev, 0); if (!mcast) { @@ -730,7 +729,7 @@ void ipoib_mcast_send(struct net_device *dev, union ib_gid *mgid, } set_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags); - mcast->mcmember.mgid = *mgid; + memcpy(mcast->mcmember.mgid.raw, mgid, sizeof (union ib_gid)); __ipoib_mcast_add(dev, mcast); list_add_tail(&mcast->list, &priv->multicast_list); } @@ -821,7 +820,8 @@ void ipoib_mcast_restart_task(void *dev_ptr) ipoib_mcast_stop_thread(dev, 0); - spin_lock_irqsave(&dev->xmit_lock, flags); + local_irq_save(flags); + netif_tx_lock(dev); spin_lock(&priv->lock); /* @@ -896,7 +896,8 @@ void ipoib_mcast_restart_task(void *dev_ptr) } spin_unlock(&priv->lock); - spin_unlock_irqrestore(&dev->xmit_lock, flags); + netif_tx_unlock(dev); + local_irq_restore(flags); /* We have to cancel outside of the spinlock */ list_for_each_entry_safe(mcast, tmcast, &remove_list, list) { diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c index 1d49d1643c59..7b717c648f72 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c @@ -255,7 +255,8 @@ void ipoib_event(struct ib_event_handler *handler, record->event == IB_EVENT_PKEY_CHANGE || record->event == IB_EVENT_PORT_ACTIVE || record->event == IB_EVENT_LID_CHANGE || - record->event == IB_EVENT_SM_CHANGE) { + record->event == IB_EVENT_SM_CHANGE || + record->event == IB_EVENT_CLIENT_REREGISTER) { ipoib_dbg(priv, "Port state change event\n"); queue_work(ipoib_workqueue, &priv->flush_task); } diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 9cbdffa08dc2..4e22afef7206 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -62,6 +62,13 @@ MODULE_DESCRIPTION("InfiniBand SCSI RDMA Protocol initiator " "v" DRV_VERSION " (" DRV_RELDATE ")"); MODULE_LICENSE("Dual BSD/GPL"); +static int srp_sg_tablesize = SRP_DEF_SG_TABLESIZE; +static int srp_max_iu_len; + +module_param(srp_sg_tablesize, int, 0444); +MODULE_PARM_DESC(srp_sg_tablesize, + "Max number of gather/scatter entries per I/O (default is 12)"); + static int topspin_workarounds = 1; module_param(topspin_workarounds, int, 0444); @@ -105,7 +112,8 @@ static struct srp_iu *srp_alloc_iu(struct srp_host *host, size_t size, if (!iu->buf) goto out_free_iu; - iu->dma = dma_map_single(host->dev->dma_device, iu->buf, size, direction); + iu->dma = dma_map_single(host->dev->dev->dma_device, + iu->buf, size, direction); if (dma_mapping_error(iu->dma)) goto out_free_buf; @@ -127,7 +135,8 @@ static void srp_free_iu(struct srp_host *host, struct srp_iu *iu) if (!iu) return; - dma_unmap_single(host->dev->dma_device, iu->dma, iu->size, iu->direction); + dma_unmap_single(host->dev->dev->dma_device, + iu->dma, iu->size, iu->direction); kfree(iu->buf); kfree(iu); } @@ -147,7 +156,7 @@ static int srp_init_qp(struct srp_target_port *target, if (!attr) return -ENOMEM; - ret = ib_find_cached_pkey(target->srp_host->dev, + ret = ib_find_cached_pkey(target->srp_host->dev->dev, target->srp_host->port, be16_to_cpu(target->path.pkey), &attr->pkey_index); @@ -179,7 +188,7 @@ static int srp_create_target_ib(struct srp_target_port *target) if (!init_attr) return -ENOMEM; - target->cq = ib_create_cq(target->srp_host->dev, srp_completion, + target->cq = ib_create_cq(target->srp_host->dev->dev, srp_completion, NULL, target, SRP_CQ_SIZE); if (IS_ERR(target->cq)) { ret = PTR_ERR(target->cq); @@ -198,7 +207,7 @@ static int srp_create_target_ib(struct srp_target_port *target) init_attr->send_cq = target->cq; init_attr->recv_cq = target->cq; - target->qp = ib_create_qp(target->srp_host->pd, init_attr); + target->qp = ib_create_qp(target->srp_host->dev->pd, init_attr); if (IS_ERR(target->qp)) { ret = PTR_ERR(target->qp); ib_destroy_cq(target->cq); @@ -250,7 +259,7 @@ static int srp_lookup_path(struct srp_target_port *target) init_completion(&target->done); - target->path_query_id = ib_sa_path_rec_get(target->srp_host->dev, + target->path_query_id = ib_sa_path_rec_get(target->srp_host->dev->dev, target->srp_host->port, &target->path, IB_SA_PATH_REC_DGID | @@ -309,10 +318,32 @@ static int srp_send_req(struct srp_target_port *target) req->priv.opcode = SRP_LOGIN_REQ; req->priv.tag = 0; - req->priv.req_it_iu_len = cpu_to_be32(SRP_MAX_IU_LEN); + req->priv.req_it_iu_len = cpu_to_be32(srp_max_iu_len); req->priv.req_buf_fmt = cpu_to_be16(SRP_BUF_FORMAT_DIRECT | SRP_BUF_FORMAT_INDIRECT); - memcpy(req->priv.initiator_port_id, target->srp_host->initiator_port_id, 16); + /* + * In the published SRP specification (draft rev. 16a), the + * port identifier format is 8 bytes of ID extension followed + * by 8 bytes of GUID. Older drafts put the two halves in the + * opposite order, so that the GUID comes first. + * + * Targets conforming to these obsolete drafts can be + * recognized by the I/O Class they report. + */ + if (target->io_class == SRP_REV10_IB_IO_CLASS) { + memcpy(req->priv.initiator_port_id, + target->srp_host->initiator_port_id + 8, 8); + memcpy(req->priv.initiator_port_id + 8, + target->srp_host->initiator_port_id, 8); + memcpy(req->priv.target_port_id, &target->ioc_guid, 8); + memcpy(req->priv.target_port_id + 8, &target->id_ext, 8); + } else { + memcpy(req->priv.initiator_port_id, + target->srp_host->initiator_port_id, 16); + memcpy(req->priv.target_port_id, &target->id_ext, 8); + memcpy(req->priv.target_port_id + 8, &target->ioc_guid, 8); + } + /* * Topspin/Cisco SRP targets will reject our login unless we * zero out the first 8 bytes of our initiator port ID. The @@ -325,8 +356,6 @@ static int srp_send_req(struct srp_target_port *target) (unsigned long long) be64_to_cpu(target->ioc_guid)); memset(req->priv.initiator_port_id, 0, 8); } - memcpy(req->priv.target_port_id, &target->id_ext, 8); - memcpy(req->priv.target_port_id + 8, &target->ioc_guid, 8); status = ib_send_cm_req(target->cm_id, &req->param); @@ -359,9 +388,9 @@ static void srp_remove_work(void *target_ptr) target->state = SRP_TARGET_REMOVED; spin_unlock_irq(target->scsi_host->host_lock); - mutex_lock(&target->srp_host->target_mutex); + spin_lock(&target->srp_host->target_lock); list_del(&target->list); - mutex_unlock(&target->srp_host->target_mutex); + spin_unlock(&target->srp_host->target_lock); scsi_remove_host(target->scsi_host); ib_destroy_cm_id(target->cm_id); @@ -421,6 +450,11 @@ static void srp_unmap_data(struct scsi_cmnd *scmnd, scmnd->sc_data_direction != DMA_FROM_DEVICE)) return; + if (req->fmr) { + ib_fmr_pool_unmap(req->fmr); + req->fmr = NULL; + } + /* * This handling of non-SG commands can be killed when the * SCSI midlayer no longer generates non-SG commands. @@ -433,18 +467,30 @@ static void srp_unmap_data(struct scsi_cmnd *scmnd, scat = &req->fake_sg; } - dma_unmap_sg(target->srp_host->dev->dma_device, scat, nents, + dma_unmap_sg(target->srp_host->dev->dev->dma_device, scat, nents, scmnd->sc_data_direction); } +static void srp_remove_req(struct srp_target_port *target, struct srp_request *req) +{ + srp_unmap_data(req->scmnd, target, req); + list_move_tail(&req->list, &target->free_reqs); +} + +static void srp_reset_req(struct srp_target_port *target, struct srp_request *req) +{ + req->scmnd->result = DID_RESET << 16; + req->scmnd->scsi_done(req->scmnd); + srp_remove_req(target, req); +} + static int srp_reconnect_target(struct srp_target_port *target) { struct ib_cm_id *new_cm_id; struct ib_qp_attr qp_attr; - struct srp_request *req; + struct srp_request *req, *tmp; struct ib_wc wc; int ret; - int i; spin_lock_irq(target->scsi_host->host_lock); if (target->state != SRP_TARGET_LIVE) { @@ -459,7 +505,7 @@ static int srp_reconnect_target(struct srp_target_port *target) * Now get a new local CM ID so that we avoid confusing the * target in case things are really fouled up. */ - new_cm_id = ib_create_cm_id(target->srp_host->dev, + new_cm_id = ib_create_cm_id(target->srp_host->dev->dev, srp_cm_handler, target); if (IS_ERR(new_cm_id)) { ret = PTR_ERR(new_cm_id); @@ -480,19 +526,12 @@ static int srp_reconnect_target(struct srp_target_port *target) while (ib_poll_cq(target->cq, 1, &wc) > 0) ; /* nothing */ - list_for_each_entry(req, &target->req_queue, list) { - req->scmnd->result = DID_RESET << 16; - req->scmnd->scsi_done(req->scmnd); - srp_unmap_data(req->scmnd, target, req); - } + list_for_each_entry_safe(req, tmp, &target->req_queue, list) + srp_reset_req(target, req); target->rx_head = 0; target->tx_head = 0; target->tx_tail = 0; - INIT_LIST_HEAD(&target->free_reqs); - INIT_LIST_HEAD(&target->req_queue); - for (i = 0; i < SRP_SQ_SIZE; ++i) - list_add_tail(&target->req_ring[i].list, &target->free_reqs); ret = srp_connect_target(target); if (ret) @@ -528,14 +567,79 @@ err: return ret; } +static int srp_map_fmr(struct srp_device *dev, struct scatterlist *scat, + int sg_cnt, struct srp_request *req, + struct srp_direct_buf *buf) +{ + u64 io_addr = 0; + u64 *dma_pages; + u32 len; + int page_cnt; + int i, j; + int ret; + + if (!dev->fmr_pool) + return -ENODEV; + + len = page_cnt = 0; + for (i = 0; i < sg_cnt; ++i) { + if (sg_dma_address(&scat[i]) & ~dev->fmr_page_mask) { + if (i > 0) + return -EINVAL; + else + ++page_cnt; + } + if ((sg_dma_address(&scat[i]) + sg_dma_len(&scat[i])) & + ~dev->fmr_page_mask) { + if (i < sg_cnt - 1) + return -EINVAL; + else + ++page_cnt; + } + + len += sg_dma_len(&scat[i]); + } + + page_cnt += len >> dev->fmr_page_shift; + if (page_cnt > SRP_FMR_SIZE) + return -ENOMEM; + + dma_pages = kmalloc(sizeof (u64) * page_cnt, GFP_ATOMIC); + if (!dma_pages) + return -ENOMEM; + + page_cnt = 0; + for (i = 0; i < sg_cnt; ++i) + for (j = 0; j < sg_dma_len(&scat[i]); j += dev->fmr_page_size) + dma_pages[page_cnt++] = + (sg_dma_address(&scat[i]) & dev->fmr_page_mask) + j; + + req->fmr = ib_fmr_pool_map_phys(dev->fmr_pool, + dma_pages, page_cnt, &io_addr); + if (IS_ERR(req->fmr)) { + ret = PTR_ERR(req->fmr); + goto out; + } + + buf->va = cpu_to_be64(sg_dma_address(&scat[0]) & ~dev->fmr_page_mask); + buf->key = cpu_to_be32(req->fmr->fmr->rkey); + buf->len = cpu_to_be32(len); + + ret = 0; + +out: + kfree(dma_pages); + + return ret; +} + static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_target_port *target, struct srp_request *req) { struct scatterlist *scat; struct srp_cmd *cmd = req->cmd->buf; int len, nents, count; - int i; - u8 fmt; + u8 fmt = SRP_DATA_DESC_DIRECT; if (!scmnd->request_buffer || scmnd->sc_data_direction == DMA_NONE) return sizeof (struct srp_cmd); @@ -560,53 +664,63 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_target_port *target, sg_init_one(scat, scmnd->request_buffer, scmnd->request_bufflen); } - count = dma_map_sg(target->srp_host->dev->dma_device, scat, nents, - scmnd->sc_data_direction); + count = dma_map_sg(target->srp_host->dev->dev->dma_device, + scat, nents, scmnd->sc_data_direction); + + fmt = SRP_DATA_DESC_DIRECT; + len = sizeof (struct srp_cmd) + sizeof (struct srp_direct_buf); if (count == 1) { + /* + * The midlayer only generated a single gather/scatter + * entry, or DMA mapping coalesced everything to a + * single entry. So a direct descriptor along with + * the DMA MR suffices. + */ struct srp_direct_buf *buf = (void *) cmd->add_data; - fmt = SRP_DATA_DESC_DIRECT; - buf->va = cpu_to_be64(sg_dma_address(scat)); - buf->key = cpu_to_be32(target->srp_host->mr->rkey); + buf->key = cpu_to_be32(target->srp_host->dev->mr->rkey); buf->len = cpu_to_be32(sg_dma_len(scat)); - - len = sizeof (struct srp_cmd) + - sizeof (struct srp_direct_buf); - } else { + } else if (srp_map_fmr(target->srp_host->dev, scat, count, req, + (void *) cmd->add_data)) { + /* + * FMR mapping failed, and the scatterlist has more + * than one entry. Generate an indirect memory + * descriptor. + */ struct srp_indirect_buf *buf = (void *) cmd->add_data; u32 datalen = 0; + int i; fmt = SRP_DATA_DESC_INDIRECT; + len = sizeof (struct srp_cmd) + + sizeof (struct srp_indirect_buf) + + count * sizeof (struct srp_direct_buf); + + for (i = 0; i < count; ++i) { + buf->desc_list[i].va = + cpu_to_be64(sg_dma_address(&scat[i])); + buf->desc_list[i].key = + cpu_to_be32(target->srp_host->dev->mr->rkey); + buf->desc_list[i].len = + cpu_to_be32(sg_dma_len(&scat[i])); + datalen += sg_dma_len(&scat[i]); + } if (scmnd->sc_data_direction == DMA_TO_DEVICE) cmd->data_out_desc_cnt = count; else cmd->data_in_desc_cnt = count; - buf->table_desc.va = cpu_to_be64(req->cmd->dma + - sizeof *cmd + - sizeof *buf); + buf->table_desc.va = + cpu_to_be64(req->cmd->dma + sizeof *cmd + sizeof *buf); buf->table_desc.key = - cpu_to_be32(target->srp_host->mr->rkey); + cpu_to_be32(target->srp_host->dev->mr->rkey); buf->table_desc.len = cpu_to_be32(count * sizeof (struct srp_direct_buf)); - for (i = 0; i < count; ++i) { - buf->desc_list[i].va = cpu_to_be64(sg_dma_address(&scat[i])); - buf->desc_list[i].key = - cpu_to_be32(target->srp_host->mr->rkey); - buf->desc_list[i].len = cpu_to_be32(sg_dma_len(&scat[i])); - - datalen += sg_dma_len(&scat[i]); - } - buf->len = cpu_to_be32(datalen); - - len = sizeof (struct srp_cmd) + - sizeof (struct srp_indirect_buf) + - count * sizeof (struct srp_direct_buf); } if (scmnd->sc_data_direction == DMA_TO_DEVICE) @@ -617,12 +731,6 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_target_port *target, return len; } -static void srp_remove_req(struct srp_target_port *target, struct srp_request *req) -{ - srp_unmap_data(req->scmnd, target, req); - list_move_tail(&req->list, &target->free_reqs); -} - static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp) { struct srp_request *req; @@ -689,7 +797,7 @@ static void srp_handle_recv(struct srp_target_port *target, struct ib_wc *wc) iu = target->rx_ring[wc->wr_id & ~SRP_OP_RECV]; - dma_sync_single_for_cpu(target->srp_host->dev->dma_device, iu->dma, + dma_sync_single_for_cpu(target->srp_host->dev->dev->dma_device, iu->dma, target->max_ti_iu_len, DMA_FROM_DEVICE); opcode = *(u8 *) iu->buf; @@ -726,7 +834,7 @@ static void srp_handle_recv(struct srp_target_port *target, struct ib_wc *wc) break; } - dma_sync_single_for_device(target->srp_host->dev->dma_device, iu->dma, + dma_sync_single_for_device(target->srp_host->dev->dev->dma_device, iu->dma, target->max_ti_iu_len, DMA_FROM_DEVICE); } @@ -770,7 +878,7 @@ static int __srp_post_recv(struct srp_target_port *target) list.addr = iu->dma; list.length = iu->size; - list.lkey = target->srp_host->mr->lkey; + list.lkey = target->srp_host->dev->mr->lkey; wr.next = NULL; wr.sg_list = &list; @@ -805,12 +913,8 @@ static struct srp_iu *__srp_get_tx_iu(struct srp_target_port *target) if (target->tx_head - target->tx_tail >= SRP_SQ_SIZE) return NULL; - if (unlikely(target->req_lim < 1)) { - if (printk_ratelimit()) - printk(KERN_DEBUG PFX "Target has req_lim %d\n", - target->req_lim); - return NULL; - } + if (unlikely(target->req_lim < 1)) + ++target->zero_req_lim; return target->tx_ring[target->tx_head & SRP_SQ_SIZE]; } @@ -828,7 +932,7 @@ static int __srp_post_send(struct srp_target_port *target, list.addr = iu->dma; list.length = len; - list.lkey = target->srp_host->mr->lkey; + list.lkey = target->srp_host->dev->mr->lkey; wr.next = NULL; wr.wr_id = target->tx_head & SRP_SQ_SIZE; @@ -870,8 +974,8 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd, if (!iu) goto err; - dma_sync_single_for_cpu(target->srp_host->dev->dma_device, iu->dma, - SRP_MAX_IU_LEN, DMA_TO_DEVICE); + dma_sync_single_for_cpu(target->srp_host->dev->dev->dma_device, iu->dma, + srp_max_iu_len, DMA_TO_DEVICE); req = list_entry(target->free_reqs.next, struct srp_request, list); @@ -903,8 +1007,8 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd, goto err_unmap; } - dma_sync_single_for_device(target->srp_host->dev->dma_device, iu->dma, - SRP_MAX_IU_LEN, DMA_TO_DEVICE); + dma_sync_single_for_device(target->srp_host->dev->dev->dma_device, iu->dma, + srp_max_iu_len, DMA_TO_DEVICE); if (__srp_post_send(target, iu, len)) { printk(KERN_ERR PFX "Send failed\n"); @@ -936,7 +1040,7 @@ static int srp_alloc_iu_bufs(struct srp_target_port *target) for (i = 0; i < SRP_SQ_SIZE + 1; ++i) { target->tx_ring[i] = srp_alloc_iu(target->srp_host, - SRP_MAX_IU_LEN, + srp_max_iu_len, GFP_KERNEL, DMA_TO_DEVICE); if (!target->tx_ring[i]) goto err; @@ -1107,11 +1211,10 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event) srp_cm_rej_handler(cm_id, event, target); break; - case IB_CM_MRA_RECEIVED: - printk(KERN_ERR PFX "MRA received\n"); - break; - - case IB_CM_DREP_RECEIVED: + case IB_CM_DREQ_RECEIVED: + printk(KERN_WARNING PFX "DREQ received - connection closed\n"); + if (ib_send_cm_drep(cm_id, NULL, 0)) + printk(KERN_ERR PFX "Sending CM DREP failed\n"); break; case IB_CM_TIMEWAIT_EXIT: @@ -1121,6 +1224,11 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event) target->status = 0; break; + case IB_CM_MRA_RECEIVED: + case IB_CM_DREQ_ERROR: + case IB_CM_DREP_RECEIVED: + break; + default: printk(KERN_WARNING PFX "Unhandled CM event %d\n", event->event); break; @@ -1239,11 +1347,8 @@ static int srp_reset_device(struct scsi_cmnd *scmnd) spin_lock_irq(target->scsi_host->host_lock); list_for_each_entry_safe(req, tmp, &target->req_queue, list) - if (req->scmnd->device == scmnd->device) { - req->scmnd->result = DID_RESET << 16; - req->scmnd->scsi_done(req->scmnd); - srp_remove_req(target, req); - } + if (req->scmnd->device == scmnd->device) + srp_reset_req(target, req); spin_unlock_irq(target->scsi_host->host_lock); @@ -1329,11 +1434,23 @@ static ssize_t show_dgid(struct class_device *cdev, char *buf) be16_to_cpu(((__be16 *) target->path.dgid.raw)[7])); } +static ssize_t show_zero_req_lim(struct class_device *cdev, char *buf) +{ + struct srp_target_port *target = host_to_target(class_to_shost(cdev)); + + if (target->state == SRP_TARGET_DEAD || + target->state == SRP_TARGET_REMOVED) + return -ENODEV; + + return sprintf(buf, "%d\n", target->zero_req_lim); +} + static CLASS_DEVICE_ATTR(id_ext, S_IRUGO, show_id_ext, NULL); static CLASS_DEVICE_ATTR(ioc_guid, S_IRUGO, show_ioc_guid, NULL); static CLASS_DEVICE_ATTR(service_id, S_IRUGO, show_service_id, NULL); static CLASS_DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL); static CLASS_DEVICE_ATTR(dgid, S_IRUGO, show_dgid, NULL); +static CLASS_DEVICE_ATTR(zero_req_lim, S_IRUGO, show_zero_req_lim, NULL); static struct class_device_attribute *srp_host_attrs[] = { &class_device_attr_id_ext, @@ -1341,6 +1458,7 @@ static struct class_device_attribute *srp_host_attrs[] = { &class_device_attr_service_id, &class_device_attr_pkey, &class_device_attr_dgid, + &class_device_attr_zero_req_lim, NULL }; @@ -1354,7 +1472,6 @@ static struct scsi_host_template srp_template = { .eh_host_reset_handler = srp_reset_host, .can_queue = SRP_SQ_SIZE, .this_id = -1, - .sg_tablesize = SRP_MAX_INDIRECT, .cmd_per_lun = SRP_SQ_SIZE, .use_clustering = ENABLE_CLUSTERING, .shost_attrs = srp_host_attrs @@ -1365,18 +1482,17 @@ static int srp_add_target(struct srp_host *host, struct srp_target_port *target) sprintf(target->target_name, "SRP.T10:%016llX", (unsigned long long) be64_to_cpu(target->id_ext)); - if (scsi_add_host(target->scsi_host, host->dev->dma_device)) + if (scsi_add_host(target->scsi_host, host->dev->dev->dma_device)) return -ENODEV; - mutex_lock(&host->target_mutex); + spin_lock(&host->target_lock); list_add_tail(&target->list, &host->target_list); - mutex_unlock(&host->target_mutex); + spin_unlock(&host->target_lock); target->state = SRP_TARGET_LIVE; - /* XXX: are we supposed to have a definition of SCAN_WILD_CARD ?? */ scsi_scan_target(&target->scsi_host->shost_gendev, - 0, target->scsi_id, ~0, 0); + 0, target->scsi_id, SCAN_WILD_CARD, 0); return 0; } @@ -1410,6 +1526,8 @@ enum { SRP_OPT_PKEY = 1 << 3, SRP_OPT_SERVICE_ID = 1 << 4, SRP_OPT_MAX_SECT = 1 << 5, + SRP_OPT_MAX_CMD_PER_LUN = 1 << 6, + SRP_OPT_IO_CLASS = 1 << 7, SRP_OPT_ALL = (SRP_OPT_ID_EXT | SRP_OPT_IOC_GUID | SRP_OPT_DGID | @@ -1418,13 +1536,15 @@ enum { }; static match_table_t srp_opt_tokens = { - { SRP_OPT_ID_EXT, "id_ext=%s" }, - { SRP_OPT_IOC_GUID, "ioc_guid=%s" }, - { SRP_OPT_DGID, "dgid=%s" }, - { SRP_OPT_PKEY, "pkey=%x" }, - { SRP_OPT_SERVICE_ID, "service_id=%s" }, - { SRP_OPT_MAX_SECT, "max_sect=%d" }, - { SRP_OPT_ERR, NULL } + { SRP_OPT_ID_EXT, "id_ext=%s" }, + { SRP_OPT_IOC_GUID, "ioc_guid=%s" }, + { SRP_OPT_DGID, "dgid=%s" }, + { SRP_OPT_PKEY, "pkey=%x" }, + { SRP_OPT_SERVICE_ID, "service_id=%s" }, + { SRP_OPT_MAX_SECT, "max_sect=%d" }, + { SRP_OPT_MAX_CMD_PER_LUN, "max_cmd_per_lun=%d" }, + { SRP_OPT_IO_CLASS, "io_class=%x" }, + { SRP_OPT_ERR, NULL } }; static int srp_parse_options(const char *buf, struct srp_target_port *target) @@ -1500,6 +1620,29 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target) target->scsi_host->max_sectors = token; break; + case SRP_OPT_MAX_CMD_PER_LUN: + if (match_int(args, &token)) { + printk(KERN_WARNING PFX "bad max cmd_per_lun parameter '%s'\n", p); + goto out; + } + target->scsi_host->cmd_per_lun = min(token, SRP_SQ_SIZE); + break; + + case SRP_OPT_IO_CLASS: + if (match_hex(args, &token)) { + printk(KERN_WARNING PFX "bad IO class parameter '%s' \n", p); + goto out; + } + if (token != SRP_REV10_IB_IO_CLASS && + token != SRP_REV16A_IB_IO_CLASS) { + printk(KERN_WARNING PFX "unknown IO class parameter value" + " %x specified (use %x or %x).\n", + token, SRP_REV10_IB_IO_CLASS, SRP_REV16A_IB_IO_CLASS); + goto out; + } + target->io_class = token; + break; + default: printk(KERN_WARNING PFX "unknown parameter or missing value " "'%s' in target creation request\n", p); @@ -1542,6 +1685,7 @@ static ssize_t srp_create_target(struct class_device *class_dev, target = host_to_target(target_host); memset(target, 0, sizeof *target); + target->io_class = SRP_REV16A_IB_IO_CLASS; target->scsi_host = target_host; target->srp_host = host; @@ -1558,7 +1702,7 @@ static ssize_t srp_create_target(struct class_device *class_dev, if (ret) goto err; - ib_get_cached_gid(host->dev, host->port, 0, &target->path.sgid); + ib_get_cached_gid(host->dev->dev, host->port, 0, &target->path.sgid); printk(KERN_DEBUG PFX "new target: id_ext %016llx ioc_guid %016llx pkey %04x " "service_id %016llx dgid %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n", @@ -1579,7 +1723,7 @@ static ssize_t srp_create_target(struct class_device *class_dev, if (ret) goto err; - target->cm_id = ib_create_cm_id(host->dev, srp_cm_handler, target); + target->cm_id = ib_create_cm_id(host->dev->dev, srp_cm_handler, target); if (IS_ERR(target->cm_id)) { ret = PTR_ERR(target->cm_id); goto err_free; @@ -1619,7 +1763,7 @@ static ssize_t show_ibdev(struct class_device *class_dev, char *buf) struct srp_host *host = container_of(class_dev, struct srp_host, class_dev); - return sprintf(buf, "%s\n", host->dev->name); + return sprintf(buf, "%s\n", host->dev->dev->name); } static CLASS_DEVICE_ATTR(ibdev, S_IRUGO, show_ibdev, NULL); @@ -1634,7 +1778,7 @@ static ssize_t show_port(struct class_device *class_dev, char *buf) static CLASS_DEVICE_ATTR(port, S_IRUGO, show_port, NULL); -static struct srp_host *srp_add_port(struct ib_device *device, u8 port) +static struct srp_host *srp_add_port(struct srp_device *device, u8 port) { struct srp_host *host; @@ -1643,32 +1787,21 @@ static struct srp_host *srp_add_port(struct ib_device *device, u8 port) return NULL; INIT_LIST_HEAD(&host->target_list); - mutex_init(&host->target_mutex); + spin_lock_init(&host->target_lock); init_completion(&host->released); host->dev = device; host->port = port; host->initiator_port_id[7] = port; - memcpy(host->initiator_port_id + 8, &device->node_guid, 8); - - host->pd = ib_alloc_pd(device); - if (IS_ERR(host->pd)) - goto err_free; - - host->mr = ib_get_dma_mr(host->pd, - IB_ACCESS_LOCAL_WRITE | - IB_ACCESS_REMOTE_READ | - IB_ACCESS_REMOTE_WRITE); - if (IS_ERR(host->mr)) - goto err_pd; + memcpy(host->initiator_port_id + 8, &device->dev->node_guid, 8); host->class_dev.class = &srp_class; - host->class_dev.dev = device->dma_device; + host->class_dev.dev = device->dev->dma_device; snprintf(host->class_dev.class_id, BUS_ID_SIZE, "srp-%s-%d", - device->name, port); + device->dev->name, port); if (class_device_register(&host->class_dev)) - goto err_mr; + goto free_host; if (class_device_create_file(&host->class_dev, &class_device_attr_add_target)) goto err_class; if (class_device_create_file(&host->class_dev, &class_device_attr_ibdev)) @@ -1681,13 +1814,7 @@ static struct srp_host *srp_add_port(struct ib_device *device, u8 port) err_class: class_device_unregister(&host->class_dev); -err_mr: - ib_dereg_mr(host->mr); - -err_pd: - ib_dealloc_pd(host->pd); - -err_free: +free_host: kfree(host); return NULL; @@ -1695,15 +1822,62 @@ err_free: static void srp_add_one(struct ib_device *device) { - struct list_head *dev_list; + struct srp_device *srp_dev; + struct ib_device_attr *dev_attr; + struct ib_fmr_pool_param fmr_param; struct srp_host *host; int s, e, p; - dev_list = kmalloc(sizeof *dev_list, GFP_KERNEL); - if (!dev_list) + dev_attr = kmalloc(sizeof *dev_attr, GFP_KERNEL); + if (!dev_attr) return; - INIT_LIST_HEAD(dev_list); + if (ib_query_device(device, dev_attr)) { + printk(KERN_WARNING PFX "Query device failed for %s\n", + device->name); + goto free_attr; + } + + srp_dev = kmalloc(sizeof *srp_dev, GFP_KERNEL); + if (!srp_dev) + goto free_attr; + + /* + * Use the smallest page size supported by the HCA, down to a + * minimum of 512 bytes (which is the smallest sector that a + * SCSI command will ever carry). + */ + srp_dev->fmr_page_shift = max(9, ffs(dev_attr->page_size_cap) - 1); + srp_dev->fmr_page_size = 1 << srp_dev->fmr_page_shift; + srp_dev->fmr_page_mask = ~((unsigned long) srp_dev->fmr_page_size - 1); + + INIT_LIST_HEAD(&srp_dev->dev_list); + + srp_dev->dev = device; + srp_dev->pd = ib_alloc_pd(device); + if (IS_ERR(srp_dev->pd)) + goto free_dev; + + srp_dev->mr = ib_get_dma_mr(srp_dev->pd, + IB_ACCESS_LOCAL_WRITE | + IB_ACCESS_REMOTE_READ | + IB_ACCESS_REMOTE_WRITE); + if (IS_ERR(srp_dev->mr)) + goto err_pd; + + memset(&fmr_param, 0, sizeof fmr_param); + fmr_param.pool_size = SRP_FMR_POOL_SIZE; + fmr_param.dirty_watermark = SRP_FMR_DIRTY_SIZE; + fmr_param.cache = 1; + fmr_param.max_pages_per_fmr = SRP_FMR_SIZE; + fmr_param.page_shift = srp_dev->fmr_page_shift; + fmr_param.access = (IB_ACCESS_LOCAL_WRITE | + IB_ACCESS_REMOTE_WRITE | + IB_ACCESS_REMOTE_READ); + + srp_dev->fmr_pool = ib_create_fmr_pool(srp_dev->pd, &fmr_param); + if (IS_ERR(srp_dev->fmr_pool)) + srp_dev->fmr_pool = NULL; if (device->node_type == IB_NODE_SWITCH) { s = 0; @@ -1714,25 +1888,35 @@ static void srp_add_one(struct ib_device *device) } for (p = s; p <= e; ++p) { - host = srp_add_port(device, p); + host = srp_add_port(srp_dev, p); if (host) - list_add_tail(&host->list, dev_list); + list_add_tail(&host->list, &srp_dev->dev_list); } - ib_set_client_data(device, &srp_client, dev_list); + ib_set_client_data(device, &srp_client, srp_dev); + + goto free_attr; + +err_pd: + ib_dealloc_pd(srp_dev->pd); + +free_dev: + kfree(srp_dev); + +free_attr: + kfree(dev_attr); } static void srp_remove_one(struct ib_device *device) { - struct list_head *dev_list; + struct srp_device *srp_dev; struct srp_host *host, *tmp_host; LIST_HEAD(target_list); struct srp_target_port *target, *tmp_target; - unsigned long flags; - dev_list = ib_get_client_data(device, &srp_client); + srp_dev = ib_get_client_data(device, &srp_client); - list_for_each_entry_safe(host, tmp_host, dev_list, list) { + list_for_each_entry_safe(host, tmp_host, &srp_dev->dev_list, list) { class_device_unregister(&host->class_dev); /* * Wait for the sysfs entry to go away, so that no new @@ -1744,15 +1928,13 @@ static void srp_remove_one(struct ib_device *device) * Mark all target ports as removed, so we stop queueing * commands and don't try to reconnect. */ - mutex_lock(&host->target_mutex); - list_for_each_entry_safe(target, tmp_target, - &host->target_list, list) { - spin_lock_irqsave(target->scsi_host->host_lock, flags); - if (target->state != SRP_TARGET_REMOVED) - target->state = SRP_TARGET_REMOVED; - spin_unlock_irqrestore(target->scsi_host->host_lock, flags); + spin_lock(&host->target_lock); + list_for_each_entry(target, &host->target_list, list) { + spin_lock_irq(target->scsi_host->host_lock); + target->state = SRP_TARGET_REMOVED; + spin_unlock_irq(target->scsi_host->host_lock); } - mutex_unlock(&host->target_mutex); + spin_unlock(&host->target_lock); /* * Wait for any reconnection tasks that may have @@ -1770,18 +1952,26 @@ static void srp_remove_one(struct ib_device *device) scsi_host_put(target->scsi_host); } - ib_dereg_mr(host->mr); - ib_dealloc_pd(host->pd); kfree(host); } - kfree(dev_list); + if (srp_dev->fmr_pool) + ib_destroy_fmr_pool(srp_dev->fmr_pool); + ib_dereg_mr(srp_dev->mr); + ib_dealloc_pd(srp_dev->pd); + + kfree(srp_dev); } static int __init srp_init_module(void) { int ret; + srp_template.sg_tablesize = srp_sg_tablesize; + srp_max_iu_len = (sizeof (struct srp_cmd) + + sizeof (struct srp_indirect_buf) + + srp_sg_tablesize * 16); + ret = class_register(&srp_class); if (ret) { printk(KERN_ERR PFX "couldn't register class infiniband_srp\n"); diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h index c5cd43aae860..5b581fb8eb0d 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.h +++ b/drivers/infiniband/ulp/srp/ib_srp.h @@ -46,6 +46,7 @@ #include <rdma/ib_verbs.h> #include <rdma/ib_sa.h> #include <rdma/ib_cm.h> +#include <rdma/ib_fmr_pool.h> enum { SRP_PATH_REC_TIMEOUT_MS = 1000, @@ -55,20 +56,21 @@ enum { SRP_DLID_REDIRECT = 2, SRP_MAX_LUN = 512, - SRP_MAX_IU_LEN = 256, + SRP_DEF_SG_TABLESIZE = 12, SRP_RQ_SHIFT = 6, SRP_RQ_SIZE = 1 << SRP_RQ_SHIFT, SRP_SQ_SIZE = SRP_RQ_SIZE - 1, SRP_CQ_SIZE = SRP_SQ_SIZE + SRP_RQ_SIZE, - SRP_TAG_TSK_MGMT = 1 << (SRP_RQ_SHIFT + 1) + SRP_TAG_TSK_MGMT = 1 << (SRP_RQ_SHIFT + 1), + + SRP_FMR_SIZE = 256, + SRP_FMR_POOL_SIZE = 1024, + SRP_FMR_DIRTY_SIZE = SRP_FMR_POOL_SIZE / 4 }; #define SRP_OP_RECV (1 << 31) -#define SRP_MAX_INDIRECT ((SRP_MAX_IU_LEN - \ - sizeof (struct srp_cmd) - \ - sizeof (struct srp_indirect_buf)) / 16) enum srp_target_state { SRP_TARGET_LIVE, @@ -77,15 +79,24 @@ enum srp_target_state { SRP_TARGET_REMOVED }; -struct srp_host { - u8 initiator_port_id[16]; +struct srp_device { + struct list_head dev_list; struct ib_device *dev; - u8 port; struct ib_pd *pd; struct ib_mr *mr; + struct ib_fmr_pool *fmr_pool; + int fmr_page_shift; + int fmr_page_size; + unsigned long fmr_page_mask; +}; + +struct srp_host { + u8 initiator_port_id[16]; + struct srp_device *dev; + u8 port; struct class_device class_dev; struct list_head target_list; - struct mutex target_mutex; + spinlock_t target_lock; struct completion released; struct list_head list; }; @@ -95,6 +106,7 @@ struct srp_request { struct scsi_cmnd *scmnd; struct srp_iu *cmd; struct srp_iu *tsk_mgmt; + struct ib_pool_fmr *fmr; /* * Fake scatterlist used when scmnd->use_sg==0. Can be killed * when the SCSI midlayer no longer generates non-SG commands. @@ -110,6 +122,7 @@ struct srp_target_port { __be64 id_ext; __be64 ioc_guid; __be64 service_id; + u16 io_class; struct srp_host *srp_host; struct Scsi_Host *scsi_host; char target_name[32]; @@ -126,6 +139,8 @@ struct srp_target_port { int max_ti_iu_len; s32 req_lim; + int zero_req_lim; + unsigned rx_head; struct srp_iu *rx_ring[SRP_RQ_SIZE]; diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c index 2f0f35811bf7..9fd87521a163 100644 --- a/drivers/media/dvb/dvb-core/dvb_net.c +++ b/drivers/media/dvb/dvb-core/dvb_net.c @@ -1052,7 +1052,7 @@ static void wq_set_multicast_list (void *data) dvb_net_feed_stop(dev); priv->rx_mode = RX_MODE_UNI; - spin_lock_bh(&dev->xmit_lock); + netif_tx_lock_bh(dev); if (dev->flags & IFF_PROMISC) { dprintk("%s: promiscuous mode\n", dev->name); @@ -1077,7 +1077,7 @@ static void wq_set_multicast_list (void *data) } } - spin_unlock_bh(&dev->xmit_lock); + netif_tx_unlock_bh(dev); dvb_net_feed_start(dev); } diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c index f2a4d382ea19..3201de053943 100644 --- a/drivers/message/fusion/mptspi.c +++ b/drivers/message/fusion/mptspi.c @@ -831,6 +831,7 @@ mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) return rc; } +#ifdef CONFIG_PM /* * spi module resume handler */ @@ -846,6 +847,7 @@ mptspi_resume(struct pci_dev *pdev) return rc; } +#endif /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ diff --git a/drivers/message/i2o/exec-osm.c b/drivers/message/i2o/exec-osm.c index 5ea133c59afb..7bd4d85d0b42 100644 --- a/drivers/message/i2o/exec-osm.c +++ b/drivers/message/i2o/exec-osm.c @@ -55,6 +55,7 @@ struct i2o_exec_wait { u32 m; /* message id */ struct i2o_message *msg; /* pointer to the reply message */ struct list_head list; /* node in global wait list */ + spinlock_t lock; /* lock before modifying */ }; /* Work struct needed to handle LCT NOTIFY replies */ @@ -87,6 +88,7 @@ static struct i2o_exec_wait *i2o_exec_wait_alloc(void) return NULL; INIT_LIST_HEAD(&wait->list); + spin_lock_init(&wait->lock); return wait; }; @@ -125,6 +127,7 @@ int i2o_msg_post_wait_mem(struct i2o_controller *c, struct i2o_message *msg, DECLARE_WAIT_QUEUE_HEAD(wq); struct i2o_exec_wait *wait; static u32 tcntxt = 0x80000000; + long flags; int rc = 0; wait = i2o_exec_wait_alloc(); @@ -146,33 +149,28 @@ int i2o_msg_post_wait_mem(struct i2o_controller *c, struct i2o_message *msg, wait->tcntxt = tcntxt++; msg->u.s.tcntxt = cpu_to_le32(wait->tcntxt); + wait->wq = &wq; + /* + * we add elements to the head, because if a entry in the list will + * never be removed, we have to iterate over it every time + */ + list_add(&wait->list, &i2o_exec_wait_list); + /* * Post the message to the controller. At some point later it will * return. If we time out before it returns then complete will be zero. */ i2o_msg_post(c, msg); - if (!wait->complete) { - wait->wq = &wq; - /* - * we add elements add the head, because if a entry in the list - * will never be removed, we have to iterate over it every time - */ - list_add(&wait->list, &i2o_exec_wait_list); - - wait_event_interruptible_timeout(wq, wait->complete, - timeout * HZ); + wait_event_interruptible_timeout(wq, wait->complete, timeout * HZ); - wait->wq = NULL; - } + spin_lock_irqsave(&wait->lock, flags); - barrier(); + wait->wq = NULL; - if (wait->complete) { + if (wait->complete) rc = le32_to_cpu(wait->msg->body[0]) >> 24; - i2o_flush_reply(c, wait->m); - i2o_exec_wait_free(wait); - } else { + else { /* * We cannot remove it now. This is important. When it does * terminate (which it must do if the controller has not @@ -186,6 +184,13 @@ int i2o_msg_post_wait_mem(struct i2o_controller *c, struct i2o_message *msg, rc = -ETIMEDOUT; } + spin_unlock_irqrestore(&wait->lock, flags); + + if (rc != -ETIMEDOUT) { + i2o_flush_reply(c, wait->m); + i2o_exec_wait_free(wait); + } + return rc; }; @@ -213,7 +218,6 @@ static int i2o_msg_post_wait_complete(struct i2o_controller *c, u32 m, { struct i2o_exec_wait *wait, *tmp; unsigned long flags; - static spinlock_t lock = SPIN_LOCK_UNLOCKED; int rc = 1; /* @@ -223,23 +227,24 @@ static int i2o_msg_post_wait_complete(struct i2o_controller *c, u32 m, * already expired. Not much we can do about that except log it for * debug purposes, increase timeout, and recompile. */ - spin_lock_irqsave(&lock, flags); list_for_each_entry_safe(wait, tmp, &i2o_exec_wait_list, list) { if (wait->tcntxt == context) { - list_del(&wait->list); + spin_lock_irqsave(&wait->lock, flags); - spin_unlock_irqrestore(&lock, flags); + list_del(&wait->list); wait->m = m; wait->msg = msg; wait->complete = 1; - barrier(); - - if (wait->wq) { - wake_up_interruptible(wait->wq); + if (wait->wq) rc = 0; - } else { + else + rc = -1; + + spin_unlock_irqrestore(&wait->lock, flags); + + if (rc) { struct device *dev; dev = &c->pdev->dev; @@ -248,15 +253,13 @@ static int i2o_msg_post_wait_complete(struct i2o_controller *c, u32 m, c->name); i2o_dma_free(dev, &wait->dma); i2o_exec_wait_free(wait); - rc = -1; - } + } else + wake_up_interruptible(wait->wq); return rc; } } - spin_unlock_irqrestore(&lock, flags); - osm_warn("%s: Bogus reply in POST WAIT (tr-context: %08x)!\n", c->name, context); @@ -322,14 +325,9 @@ static DEVICE_ATTR(product_id, S_IRUGO, i2o_exec_show_product_id, NULL); static int i2o_exec_probe(struct device *dev) { struct i2o_device *i2o_dev = to_i2o_device(dev); - struct i2o_controller *c = i2o_dev->iop; i2o_event_register(i2o_dev, &i2o_exec_driver, 0, 0xffffffff); - c->exec = i2o_dev; - - i2o_exec_lct_notify(c, c->lct->change_ind + 1); - device_create_file(dev, &dev_attr_vendor_id); device_create_file(dev, &dev_attr_product_id); @@ -523,6 +521,8 @@ static int i2o_exec_lct_notify(struct i2o_controller *c, u32 change_ind) struct device *dev; struct i2o_message *msg; + down(&c->lct_lock); + dev = &c->pdev->dev; if (i2o_dma_realloc @@ -545,6 +545,8 @@ static int i2o_exec_lct_notify(struct i2o_controller *c, u32 change_ind) i2o_msg_post(c, msg); + up(&c->lct_lock); + return 0; }; diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c index 492167446936..febbdd4e0605 100644 --- a/drivers/message/i2o/iop.c +++ b/drivers/message/i2o/iop.c @@ -804,8 +804,6 @@ void i2o_iop_remove(struct i2o_controller *c) /* Ask the IOP to switch to RESET state */ i2o_iop_reset(c); - - put_device(&c->device); } /** @@ -1059,7 +1057,7 @@ struct i2o_controller *i2o_iop_alloc(void) snprintf(poolname, sizeof(poolname), "i2o_%s_msg_inpool", c->name); if (i2o_pool_alloc - (&c->in_msg, poolname, I2O_INBOUND_MSG_FRAME_SIZE * 4, + (&c->in_msg, poolname, I2O_INBOUND_MSG_FRAME_SIZE * 4 + sizeof(u32), I2O_MSG_INPOOL_MIN)) { kfree(c); return ERR_PTR(-ENOMEM); diff --git a/drivers/net/3c501.c b/drivers/net/3c501.c index f6d51ce34b00..bb44509fd404 100644 --- a/drivers/net/3c501.c +++ b/drivers/net/3c501.c @@ -909,7 +909,7 @@ MODULE_PARM_DESC(irq, "EtherLink IRQ number"); * here also causes the module to be unloaded */ -int init_module(void) +int __init init_module(void) { dev_3c501 = el1_probe(-1); if (IS_ERR(dev_3c501)) diff --git a/drivers/net/3c503.c b/drivers/net/3c503.c index dcc98afa65d7..cb5ef75450dc 100644 --- a/drivers/net/3c503.c +++ b/drivers/net/3c503.c @@ -688,7 +688,7 @@ MODULE_LICENSE("GPL"); /* This is set up so that only a single autoprobe takes place per call. ISA device autoprobes on a running machine are not recommended. */ -int +int __init init_module(void) { struct net_device *dev; diff --git a/drivers/net/3c505.c b/drivers/net/3c505.c index 111601ca4ca3..19c0b856c488 100644 --- a/drivers/net/3c505.c +++ b/drivers/net/3c505.c @@ -1633,7 +1633,7 @@ MODULE_PARM_DESC(io, "EtherLink Plus I/O base address(es)"); MODULE_PARM_DESC(irq, "EtherLink Plus IRQ number(s) (assigned)"); MODULE_PARM_DESC(dma, "EtherLink Plus DMA channel(s)"); -int init_module(void) +int __init init_module(void) { int this_dev, found = 0; diff --git a/drivers/net/3c507.c b/drivers/net/3c507.c index 4db82893909c..6039049259ed 100644 --- a/drivers/net/3c507.c +++ b/drivers/net/3c507.c @@ -932,7 +932,7 @@ module_param(irq, int, 0); MODULE_PARM_DESC(io, "EtherLink16 I/O base address"); MODULE_PARM_DESC(irq, "(ignored)"); -int init_module(void) +int __init init_module(void) { if (io == 0) printk("3c507: You should not use auto-probing with insmod!\n"); diff --git a/drivers/net/3c523.c b/drivers/net/3c523.c index b40885d41680..4bf8510655c5 100644 --- a/drivers/net/3c523.c +++ b/drivers/net/3c523.c @@ -1277,7 +1277,7 @@ MODULE_PARM_DESC(io, "EtherLink/MC I/O base address(es)"); MODULE_PARM_DESC(irq, "EtherLink/MC IRQ number(s)"); MODULE_LICENSE("GPL"); -int init_module(void) +int __init init_module(void) { int this_dev,found = 0; diff --git a/drivers/net/3c527.c b/drivers/net/3c527.c index 6db3301e7965..1b1cb0026072 100644 --- a/drivers/net/3c527.c +++ b/drivers/net/3c527.c @@ -1646,7 +1646,7 @@ static struct net_device *this_device; * insmod multiple modules for now but it's a hack. */ -int init_module(void) +int __init init_module(void) { this_device = mc32_probe(-1); if (IS_ERR(this_device)) diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c index 066e22b01a94..46d8c01437e9 100644 --- a/drivers/net/8139cp.c +++ b/drivers/net/8139cp.c @@ -19,11 +19,11 @@ See the file COPYING in this distribution for more information. Contributors: - + Wake-on-LAN support - Felipe Damasio <felipewd@terra.com.br> PCI suspend/resume - Felipe Damasio <felipewd@terra.com.br> LinkChg interrupt - Felipe Damasio <felipewd@terra.com.br> - + TODO: * Test Tx checksumming thoroughly * Implement dev->tx_timeout @@ -461,7 +461,7 @@ static void cp_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) static inline void cp_set_rxbufsize (struct cp_private *cp) { unsigned int mtu = cp->dev->mtu; - + if (mtu > ETH_DATA_LEN) /* MTU + ethernet header + FCS + optional VLAN tag */ cp->rx_buf_sz = mtu + ETH_HLEN + 8; @@ -510,7 +510,7 @@ static void cp_rx_err_acct (struct cp_private *cp, unsigned rx_tail, static inline unsigned int cp_rx_csum_ok (u32 status) { unsigned int protocol = (status >> 16) & 0x3; - + if (likely((protocol == RxProtoTCP) && (!(status & TCPFail)))) return 1; else if ((protocol == RxProtoUDP) && (!(status & UDPFail))) @@ -1061,7 +1061,7 @@ static void cp_init_hw (struct cp_private *cp) cpw8(Config3, PARMEnable); cp->wol_enabled = 0; - cpw8(Config5, cpr8(Config5) & PMEStatus); + cpw8(Config5, cpr8(Config5) & PMEStatus); cpw32_f(HiTxRingAddr, 0); cpw32_f(HiTxRingAddr + 4, 0); @@ -1351,7 +1351,7 @@ static void netdev_get_wol (struct cp_private *cp, WAKE_MCAST | WAKE_UCAST; /* We don't need to go on if WOL is disabled */ if (!cp->wol_enabled) return; - + options = cpr8 (Config3); if (options & LinkUp) wol->wolopts |= WAKE_PHY; if (options & MagicPacket) wol->wolopts |= WAKE_MAGIC; @@ -1919,7 +1919,7 @@ static int cp_resume (struct pci_dev *pdev) mii_check_media(&cp->mii_if, netif_msg_link(cp), FALSE); spin_unlock_irqrestore (&cp->lock, flags); - + return 0; } #endif /* CONFIG_PM */ diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c index feae7832fc84..abd6261465f1 100644 --- a/drivers/net/8139too.c +++ b/drivers/net/8139too.c @@ -165,7 +165,7 @@ static int multicast_filter_limit = 32; static int debug = -1; /* - * Receive ring size + * Receive ring size * Warning: 64K ring has hardware issues and may lock up. */ #if defined(CONFIG_SH_DREAMCAST) @@ -257,7 +257,7 @@ static struct pci_device_id rtl8139_pci_tbl[] = { {0x018a, 0x0106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, {0x126c, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, {0x1743, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, - {0x021b, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, + {0x021b, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, #ifdef CONFIG_SH_SECUREEDGE5410 /* Bogus 8139 silicon reports 8129 without external PROM :-( */ @@ -1824,7 +1824,7 @@ static void rtl8139_rx_err (u32 rx_status, struct net_device *dev, int tmp_work; #endif - if (netif_msg_rx_err (tp)) + if (netif_msg_rx_err (tp)) printk(KERN_DEBUG "%s: Ethernet frame had errors, status %8.8x.\n", dev->name, rx_status); tp->stats.rx_errors++; @@ -1944,7 +1944,7 @@ static int rtl8139_rx(struct net_device *dev, struct rtl8139_private *tp, RTL_R16 (RxBufAddr), RTL_R16 (RxBufPtr), RTL_R8 (ChipCmd)); - while (netif_running(dev) && received < budget + while (netif_running(dev) && received < budget && (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) { u32 ring_offset = cur_rx % RX_BUF_LEN; u32 rx_status; @@ -2031,7 +2031,7 @@ no_early_rx: netif_receive_skb (skb); } else { - if (net_ratelimit()) + if (net_ratelimit()) printk (KERN_WARNING "%s: Memory squeeze, dropping packet.\n", dev->name); @@ -2158,13 +2158,13 @@ static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance, status = RTL_R16 (IntrStatus); /* shared irq? */ - if (unlikely((status & rtl8139_intr_mask) == 0)) + if (unlikely((status & rtl8139_intr_mask) == 0)) goto out; handled = 1; /* h/w no longer present (hotplug?) or major error, bail */ - if (unlikely(status == 0xFFFF)) + if (unlikely(status == 0xFFFF)) goto out; /* close possible race's with dev_close */ diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index bdaaad8f2123..0c6b45a11d15 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -447,6 +447,7 @@ config MIPS_GT96100ETH config MIPS_AU1X00_ENET bool "MIPS AU1000 Ethernet support" depends on NET_ETHERNET && SOC_AU1X00 + select PHYLIB select CRC32 help If you have an Alchemy Semi AU1X00 based system @@ -865,6 +866,22 @@ config DM9000 <file:Documentation/networking/net-modules.txt>. The module will be called dm9000. +config SMC911X + tristate "SMSC LAN911[5678] support" + select CRC32 + select MII + depends on NET_ETHERNET && ARCH_PXA + help + This is a driver for SMSC's LAN911x series of Ethernet chipsets + including the new LAN9115, LAN9116, LAN9117, and LAN9118. + Say Y if you want it compiled into the kernel, + and read the Ethernet-HOWTO, available from + <http://www.linuxdoc.org/docs.html#howto>. + + This driver is also available as a module. The module will be + called smc911x. If you want to compile it as a module, say M + here and read <file:Documentation/modules.txt> + config NET_VENDOR_RACAL bool "Racal-Interlan (Micom) NI cards" depends on NET_ETHERNET && ISA @@ -2163,6 +2180,8 @@ config TIGON3 config BNX2 tristate "Broadcom NetXtremeII support" depends on PCI + select CRC32 + select ZLIB_INFLATE help This driver supports Broadcom NetXtremeII gigabit Ethernet cards. @@ -2311,6 +2330,23 @@ config S2IO_NAPI If in doubt, say N. +config MYRI10GE + tristate "Myricom Myri-10G Ethernet support" + depends on PCI + select FW_LOADER + select CRC32 + ---help--- + This driver supports Myricom Myri-10G Dual Protocol interface in + Ethernet mode. If the eeprom on your board is not recent enough, + you will need a newer firmware image. + You may get this image or more information, at: + + <http://www.myri.com/Myri-10G/> + + To compile this driver as a module, choose M here and read + <file:Documentation/networking/net-modules.txt>. The module + will be called myri10ge. + endmenu source "drivers/net/tokenring/Kconfig" diff --git a/drivers/net/Makefile b/drivers/net/Makefile index b90468aea077..1eced3287507 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -192,7 +192,9 @@ obj-$(CONFIG_R8169) += r8169.o obj-$(CONFIG_AMD8111_ETH) += amd8111e.o obj-$(CONFIG_IBMVETH) += ibmveth.o obj-$(CONFIG_S2IO) += s2io.o +obj-$(CONFIG_MYRI10GE) += myri10ge/ obj-$(CONFIG_SMC91X) += smc91x.o +obj-$(CONFIG_SMC911X) += smc911x.o obj-$(CONFIG_DM9000) += dm9000.o obj-$(CONFIG_FEC_8XX) += fec_8xx/ diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c index 14dbad14afb6..038d5fcb15e6 100644 --- a/drivers/net/au1000_eth.c +++ b/drivers/net/au1000_eth.c @@ -2,13 +2,16 @@ * * Alchemy Au1x00 ethernet driver * - * Copyright 2001,2002,2003 MontaVista Software Inc. + * Copyright 2001-2003, 2006 MontaVista Software Inc. * Copyright 2002 TimeSys Corp. * Added ethtool/mii-tool support, * Copyright 2004 Matt Porter <mporter@kernel.crashing.org> * Update: 2004 Bjoern Riemer, riemer@fokus.fraunhofer.de * or riemer@riemer-nt.de: fixed the link beat detection with * ioctls (SIOCGMIIPHY) + * Copyright 2006 Herbert Valerio Riedel <hvr@gnu.org> + * converted to use linux-2.6.x's PHY framework + * * Author: MontaVista Software, Inc. * ppopov@mvista.com or source@mvista.com * @@ -53,6 +56,7 @@ #include <linux/skbuff.h> #include <linux/delay.h> #include <linux/crc32.h> +#include <linux/phy.h> #include <asm/mipsregs.h> #include <asm/irq.h> #include <asm/io.h> @@ -68,7 +72,7 @@ static int au1000_debug = 5; static int au1000_debug = 3; #endif -#define DRV_NAME "au1000eth" +#define DRV_NAME "au1000_eth" #define DRV_VERSION "1.5" #define DRV_AUTHOR "Pete Popov <ppopov@embeddedalley.com>" #define DRV_DESC "Au1xxx on-chip Ethernet driver" @@ -80,7 +84,7 @@ MODULE_LICENSE("GPL"); // prototypes static void hard_stop(struct net_device *); static void enable_rx_tx(struct net_device *dev); -static struct net_device * au1000_probe(u32 ioaddr, int irq, int port_num); +static struct net_device * au1000_probe(int port_num); static int au1000_init(struct net_device *); static int au1000_open(struct net_device *); static int au1000_close(struct net_device *); @@ -88,17 +92,15 @@ static int au1000_tx(struct sk_buff *, struct net_device *); static int au1000_rx(struct net_device *); static irqreturn_t au1000_interrupt(int, void *, struct pt_regs *); static void au1000_tx_timeout(struct net_device *); -static int au1000_set_config(struct net_device *dev, struct ifmap *map); static void set_rx_mode(struct net_device *); static struct net_device_stats *au1000_get_stats(struct net_device *); -static void au1000_timer(unsigned long); static int au1000_ioctl(struct net_device *, struct ifreq *, int); static int mdio_read(struct net_device *, int, int); static void mdio_write(struct net_device *, int, int, u16); -static void dump_mii(struct net_device *dev, int phy_id); +static void au1000_adjust_link(struct net_device *); +static void enable_mac(struct net_device *, int); // externs -extern void ack_rise_edge_irq(unsigned int); extern int get_ethernet_addr(char *ethernet_addr); extern void str2eaddr(unsigned char *ea, unsigned char *str); extern char * __init prom_getcmdline(void); @@ -126,705 +128,83 @@ static unsigned char au1000_mac_addr[6] __devinitdata = { 0x00, 0x50, 0xc2, 0x0c, 0x30, 0x00 }; -#define nibswap(x) ((((x) >> 4) & 0x0f) | (((x) << 4) & 0xf0)) -#define RUN_AT(x) (jiffies + (x)) - -// For reading/writing 32-bit words from/to DMA memory -#define cpu_to_dma32 cpu_to_be32 -#define dma32_to_cpu be32_to_cpu - struct au1000_private *au_macs[NUM_ETH_INTERFACES]; -/* FIXME - * All of the PHY code really should be detached from the MAC - * code. +/* + * board-specific configurations + * + * PHY detection algorithm + * + * If AU1XXX_PHY_STATIC_CONFIG is undefined, the PHY setup is + * autodetected: + * + * mii_probe() first searches the current MAC's MII bus for a PHY, + * selecting the first (or last, if AU1XXX_PHY_SEARCH_HIGHEST_ADDR is + * defined) PHY address not already claimed by another netdev. + * + * If nothing was found that way when searching for the 2nd ethernet + * controller's PHY and AU1XXX_PHY1_SEARCH_ON_MAC0 is defined, then + * the first MII bus is searched as well for an unclaimed PHY; this is + * needed in case of a dual-PHY accessible only through the MAC0's MII + * bus. + * + * Finally, if no PHY is found, then the corresponding ethernet + * controller is not registered to the network subsystem. */ -/* Default advertise */ -#define GENMII_DEFAULT_ADVERTISE \ - ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | \ - ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full | \ - ADVERTISED_Autoneg - -#define GENMII_DEFAULT_FEATURES \ - SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | \ - SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | \ - SUPPORTED_Autoneg - -int bcm_5201_init(struct net_device *dev, int phy_addr) -{ - s16 data; - - /* Stop auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, data & ~MII_CNTL_AUTO); - - /* Set advertisement to 10/100 and Half/Full duplex - * (full capabilities) */ - data = mdio_read(dev, phy_addr, MII_ANADV); - data |= MII_NWAY_TX | MII_NWAY_TX_FDX | MII_NWAY_T_FDX | MII_NWAY_T; - mdio_write(dev, phy_addr, MII_ANADV, data); - - /* Restart auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - data |= MII_CNTL_RST_AUTO | MII_CNTL_AUTO; - mdio_write(dev, phy_addr, MII_CONTROL, data); - - if (au1000_debug > 4) - dump_mii(dev, phy_addr); - return 0; -} - -int bcm_5201_reset(struct net_device *dev, int phy_addr) -{ - s16 mii_control, timeout; - - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET); - mdelay(1); - for (timeout = 100; timeout > 0; --timeout) { - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - if ((mii_control & MII_CNTL_RESET) == 0) - break; - mdelay(1); - } - if (mii_control & MII_CNTL_RESET) { - printk(KERN_ERR "%s PHY reset timeout !\n", dev->name); - return -1; - } - return 0; -} - -int -bcm_5201_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - u16 mii_data; - struct au1000_private *aup; - - if (!dev) { - printk(KERN_ERR "bcm_5201_status error: NULL dev\n"); - return -1; - } - aup = (struct au1000_private *) dev->priv; - - mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS); - if (mii_data & MII_STAT_LINK) { - *link = 1; - mii_data = mdio_read(dev, aup->phy_addr, MII_AUX_CNTRL); - if (mii_data & MII_AUX_100) { - if (mii_data & MII_AUX_FDX) { - *speed = IF_PORT_100BASEFX; - dev->if_port = IF_PORT_100BASEFX; - } - else { - *speed = IF_PORT_100BASETX; - dev->if_port = IF_PORT_100BASETX; - } - } - else { - *speed = IF_PORT_10BASET; - dev->if_port = IF_PORT_10BASET; - } - - } - else { - *link = 0; - *speed = 0; - dev->if_port = IF_PORT_UNKNOWN; - } - return 0; -} - -int lsi_80227_init(struct net_device *dev, int phy_addr) -{ - if (au1000_debug > 4) - printk("lsi_80227_init\n"); - - /* restart auto-negotiation */ - mdio_write(dev, phy_addr, MII_CONTROL, - MII_CNTL_F100 | MII_CNTL_AUTO | MII_CNTL_RST_AUTO); // | MII_CNTL_FDX); - mdelay(1); - - /* set up LEDs to correct display */ -#ifdef CONFIG_MIPS_MTX1 - mdio_write(dev, phy_addr, 17, 0xff80); -#else - mdio_write(dev, phy_addr, 17, 0xffc0); -#endif - - if (au1000_debug > 4) - dump_mii(dev, phy_addr); - return 0; -} - -int lsi_80227_reset(struct net_device *dev, int phy_addr) -{ - s16 mii_control, timeout; - - if (au1000_debug > 4) { - printk("lsi_80227_reset\n"); - dump_mii(dev, phy_addr); - } - - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET); - mdelay(1); - for (timeout = 100; timeout > 0; --timeout) { - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - if ((mii_control & MII_CNTL_RESET) == 0) - break; - mdelay(1); - } - if (mii_control & MII_CNTL_RESET) { - printk(KERN_ERR "%s PHY reset timeout !\n", dev->name); - return -1; - } - return 0; -} - -int -lsi_80227_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - u16 mii_data; - struct au1000_private *aup; - - if (!dev) { - printk(KERN_ERR "lsi_80227_status error: NULL dev\n"); - return -1; - } - aup = (struct au1000_private *) dev->priv; - - mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS); - if (mii_data & MII_STAT_LINK) { - *link = 1; - mii_data = mdio_read(dev, aup->phy_addr, MII_LSI_PHY_STAT); - if (mii_data & MII_LSI_PHY_STAT_SPD) { - if (mii_data & MII_LSI_PHY_STAT_FDX) { - *speed = IF_PORT_100BASEFX; - dev->if_port = IF_PORT_100BASEFX; - } - else { - *speed = IF_PORT_100BASETX; - dev->if_port = IF_PORT_100BASETX; - } - } - else { - *speed = IF_PORT_10BASET; - dev->if_port = IF_PORT_10BASET; - } - - } - else { - *link = 0; - *speed = 0; - dev->if_port = IF_PORT_UNKNOWN; - } - return 0; -} - -int am79c901_init(struct net_device *dev, int phy_addr) -{ - printk("am79c901_init\n"); - return 0; -} - -int am79c901_reset(struct net_device *dev, int phy_addr) -{ - printk("am79c901_reset\n"); - return 0; -} - -int -am79c901_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - return 0; -} - -int am79c874_init(struct net_device *dev, int phy_addr) -{ - s16 data; - - /* 79c874 has quit resembled bit assignments to BCM5201 */ - if (au1000_debug > 4) - printk("am79c847_init\n"); - - /* Stop auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, data & ~MII_CNTL_AUTO); - - /* Set advertisement to 10/100 and Half/Full duplex - * (full capabilities) */ - data = mdio_read(dev, phy_addr, MII_ANADV); - data |= MII_NWAY_TX | MII_NWAY_TX_FDX | MII_NWAY_T_FDX | MII_NWAY_T; - mdio_write(dev, phy_addr, MII_ANADV, data); - - /* Restart auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - data |= MII_CNTL_RST_AUTO | MII_CNTL_AUTO; - - mdio_write(dev, phy_addr, MII_CONTROL, data); - - if (au1000_debug > 4) dump_mii(dev, phy_addr); - return 0; -} - -int am79c874_reset(struct net_device *dev, int phy_addr) -{ - s16 mii_control, timeout; - - if (au1000_debug > 4) - printk("am79c874_reset\n"); - - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET); - mdelay(1); - for (timeout = 100; timeout > 0; --timeout) { - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - if ((mii_control & MII_CNTL_RESET) == 0) - break; - mdelay(1); - } - if (mii_control & MII_CNTL_RESET) { - printk(KERN_ERR "%s PHY reset timeout !\n", dev->name); - return -1; - } - return 0; -} - -int -am79c874_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - u16 mii_data; - struct au1000_private *aup; - - // printk("am79c874_status\n"); - if (!dev) { - printk(KERN_ERR "am79c874_status error: NULL dev\n"); - return -1; - } - - aup = (struct au1000_private *) dev->priv; - mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS); - - if (mii_data & MII_STAT_LINK) { - *link = 1; - mii_data = mdio_read(dev, aup->phy_addr, MII_AMD_PHY_STAT); - if (mii_data & MII_AMD_PHY_STAT_SPD) { - if (mii_data & MII_AMD_PHY_STAT_FDX) { - *speed = IF_PORT_100BASEFX; - dev->if_port = IF_PORT_100BASEFX; - } - else { - *speed = IF_PORT_100BASETX; - dev->if_port = IF_PORT_100BASETX; - } - } - else { - *speed = IF_PORT_10BASET; - dev->if_port = IF_PORT_10BASET; - } - - } - else { - *link = 0; - *speed = 0; - dev->if_port = IF_PORT_UNKNOWN; - } - return 0; -} - -int lxt971a_init(struct net_device *dev, int phy_addr) -{ - if (au1000_debug > 4) - printk("lxt971a_init\n"); - - /* restart auto-negotiation */ - mdio_write(dev, phy_addr, MII_CONTROL, - MII_CNTL_F100 | MII_CNTL_AUTO | MII_CNTL_RST_AUTO | MII_CNTL_FDX); - - /* set up LEDs to correct display */ - mdio_write(dev, phy_addr, 20, 0x0422); - - if (au1000_debug > 4) - dump_mii(dev, phy_addr); - return 0; -} - -int lxt971a_reset(struct net_device *dev, int phy_addr) -{ - s16 mii_control, timeout; - - if (au1000_debug > 4) { - printk("lxt971a_reset\n"); - dump_mii(dev, phy_addr); - } - - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET); - mdelay(1); - for (timeout = 100; timeout > 0; --timeout) { - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - if ((mii_control & MII_CNTL_RESET) == 0) - break; - mdelay(1); - } - if (mii_control & MII_CNTL_RESET) { - printk(KERN_ERR "%s PHY reset timeout !\n", dev->name); - return -1; - } - return 0; -} - -int -lxt971a_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - u16 mii_data; - struct au1000_private *aup; - - if (!dev) { - printk(KERN_ERR "lxt971a_status error: NULL dev\n"); - return -1; - } - aup = (struct au1000_private *) dev->priv; - - mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS); - if (mii_data & MII_STAT_LINK) { - *link = 1; - mii_data = mdio_read(dev, aup->phy_addr, MII_INTEL_PHY_STAT); - if (mii_data & MII_INTEL_PHY_STAT_SPD) { - if (mii_data & MII_INTEL_PHY_STAT_FDX) { - *speed = IF_PORT_100BASEFX; - dev->if_port = IF_PORT_100BASEFX; - } - else { - *speed = IF_PORT_100BASETX; - dev->if_port = IF_PORT_100BASETX; - } - } - else { - *speed = IF_PORT_10BASET; - dev->if_port = IF_PORT_10BASET; - } - - } - else { - *link = 0; - *speed = 0; - dev->if_port = IF_PORT_UNKNOWN; - } - return 0; -} - -int ks8995m_init(struct net_device *dev, int phy_addr) -{ - s16 data; - -// printk("ks8995m_init\n"); - /* Stop auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, data & ~MII_CNTL_AUTO); - - /* Set advertisement to 10/100 and Half/Full duplex - * (full capabilities) */ - data = mdio_read(dev, phy_addr, MII_ANADV); - data |= MII_NWAY_TX | MII_NWAY_TX_FDX | MII_NWAY_T_FDX | MII_NWAY_T; - mdio_write(dev, phy_addr, MII_ANADV, data); - - /* Restart auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - data |= MII_CNTL_RST_AUTO | MII_CNTL_AUTO; - mdio_write(dev, phy_addr, MII_CONTROL, data); - - if (au1000_debug > 4) dump_mii(dev, phy_addr); - - return 0; -} - -int ks8995m_reset(struct net_device *dev, int phy_addr) -{ - s16 mii_control, timeout; - -// printk("ks8995m_reset\n"); - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET); - mdelay(1); - for (timeout = 100; timeout > 0; --timeout) { - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - if ((mii_control & MII_CNTL_RESET) == 0) - break; - mdelay(1); - } - if (mii_control & MII_CNTL_RESET) { - printk(KERN_ERR "%s PHY reset timeout !\n", dev->name); - return -1; - } - return 0; -} - -int ks8995m_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - u16 mii_data; - struct au1000_private *aup; - - if (!dev) { - printk(KERN_ERR "ks8995m_status error: NULL dev\n"); - return -1; - } - aup = (struct au1000_private *) dev->priv; - - mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS); - if (mii_data & MII_STAT_LINK) { - *link = 1; - mii_data = mdio_read(dev, aup->phy_addr, MII_AUX_CNTRL); - if (mii_data & MII_AUX_100) { - if (mii_data & MII_AUX_FDX) { - *speed = IF_PORT_100BASEFX; - dev->if_port = IF_PORT_100BASEFX; - } - else { - *speed = IF_PORT_100BASETX; - dev->if_port = IF_PORT_100BASETX; - } - } - else { - *speed = IF_PORT_10BASET; - dev->if_port = IF_PORT_10BASET; - } - - } - else { - *link = 0; - *speed = 0; - dev->if_port = IF_PORT_UNKNOWN; - } - return 0; -} - -int -smsc_83C185_init (struct net_device *dev, int phy_addr) -{ - s16 data; - - if (au1000_debug > 4) - printk("smsc_83C185_init\n"); - - /* Stop auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, data & ~MII_CNTL_AUTO); - - /* Set advertisement to 10/100 and Half/Full duplex - * (full capabilities) */ - data = mdio_read(dev, phy_addr, MII_ANADV); - data |= MII_NWAY_TX | MII_NWAY_TX_FDX | MII_NWAY_T_FDX | MII_NWAY_T; - mdio_write(dev, phy_addr, MII_ANADV, data); - - /* Restart auto-negotiation */ - data = mdio_read(dev, phy_addr, MII_CONTROL); - data |= MII_CNTL_RST_AUTO | MII_CNTL_AUTO; - - mdio_write(dev, phy_addr, MII_CONTROL, data); - - if (au1000_debug > 4) dump_mii(dev, phy_addr); - return 0; -} - -int -smsc_83C185_reset (struct net_device *dev, int phy_addr) -{ - s16 mii_control, timeout; - - if (au1000_debug > 4) - printk("smsc_83C185_reset\n"); - - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - mdio_write(dev, phy_addr, MII_CONTROL, mii_control | MII_CNTL_RESET); - mdelay(1); - for (timeout = 100; timeout > 0; --timeout) { - mii_control = mdio_read(dev, phy_addr, MII_CONTROL); - if ((mii_control & MII_CNTL_RESET) == 0) - break; - mdelay(1); - } - if (mii_control & MII_CNTL_RESET) { - printk(KERN_ERR "%s PHY reset timeout !\n", dev->name); - return -1; - } - return 0; -} - -int -smsc_83C185_status (struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - u16 mii_data; - struct au1000_private *aup; - - if (!dev) { - printk(KERN_ERR "smsc_83C185_status error: NULL dev\n"); - return -1; - } - - aup = (struct au1000_private *) dev->priv; - mii_data = mdio_read(dev, aup->phy_addr, MII_STATUS); - - if (mii_data & MII_STAT_LINK) { - *link = 1; - mii_data = mdio_read(dev, aup->phy_addr, 0x1f); - if (mii_data & (1<<3)) { - if (mii_data & (1<<4)) { - *speed = IF_PORT_100BASEFX; - dev->if_port = IF_PORT_100BASEFX; - } - else { - *speed = IF_PORT_100BASETX; - dev->if_port = IF_PORT_100BASETX; - } - } - else { - *speed = IF_PORT_10BASET; - dev->if_port = IF_PORT_10BASET; - } - } - else { - *link = 0; - *speed = 0; - dev->if_port = IF_PORT_UNKNOWN; - } - return 0; -} - - -#ifdef CONFIG_MIPS_BOSPORUS -int stub_init(struct net_device *dev, int phy_addr) -{ - //printk("PHY stub_init\n"); - return 0; -} - -int stub_reset(struct net_device *dev, int phy_addr) -{ - //printk("PHY stub_reset\n"); - return 0; -} - -int -stub_status(struct net_device *dev, int phy_addr, u16 *link, u16 *speed) -{ - //printk("PHY stub_status\n"); - *link = 1; - /* hmmm, revisit */ - *speed = IF_PORT_100BASEFX; - dev->if_port = IF_PORT_100BASEFX; - return 0; -} -#endif - -struct phy_ops bcm_5201_ops = { - bcm_5201_init, - bcm_5201_reset, - bcm_5201_status, -}; - -struct phy_ops am79c874_ops = { - am79c874_init, - am79c874_reset, - am79c874_status, -}; - -struct phy_ops am79c901_ops = { - am79c901_init, - am79c901_reset, - am79c901_status, -}; - -struct phy_ops lsi_80227_ops = { - lsi_80227_init, - lsi_80227_reset, - lsi_80227_status, -}; +/* autodetection defaults */ +#undef AU1XXX_PHY_SEARCH_HIGHEST_ADDR +#define AU1XXX_PHY1_SEARCH_ON_MAC0 -struct phy_ops lxt971a_ops = { - lxt971a_init, - lxt971a_reset, - lxt971a_status, -}; +/* static PHY setup + * + * most boards PHY setup should be detectable properly with the + * autodetection algorithm in mii_probe(), but in some cases (e.g. if + * you have a switch attached, or want to use the PHY's interrupt + * notification capabilities) you can provide a static PHY + * configuration here + * + * IRQs may only be set, if a PHY address was configured + * If a PHY address is given, also a bus id is required to be set + * + * ps: make sure the used irqs are configured properly in the board + * specific irq-map + */ -struct phy_ops ks8995m_ops = { - ks8995m_init, - ks8995m_reset, - ks8995m_status, -}; +#if defined(CONFIG_MIPS_BOSPORUS) +/* + * Micrel/Kendin 5 port switch attached to MAC0, + * MAC0 is associated with PHY address 5 (== WAN port) + * MAC1 is not associated with any PHY, since it's connected directly + * to the switch. + * no interrupts are used + */ +# define AU1XXX_PHY_STATIC_CONFIG -struct phy_ops smsc_83C185_ops = { - smsc_83C185_init, - smsc_83C185_reset, - smsc_83C185_status, -}; +# define AU1XXX_PHY0_ADDR 5 +# define AU1XXX_PHY0_BUSID 0 +# undef AU1XXX_PHY0_IRQ -#ifdef CONFIG_MIPS_BOSPORUS -struct phy_ops stub_ops = { - stub_init, - stub_reset, - stub_status, -}; +# undef AU1XXX_PHY1_ADDR +# undef AU1XXX_PHY1_BUSID +# undef AU1XXX_PHY1_IRQ #endif -static struct mii_chip_info { - const char * name; - u16 phy_id0; - u16 phy_id1; - struct phy_ops *phy_ops; - int dual_phy; -} mii_chip_table[] = { - {"Broadcom BCM5201 10/100 BaseT PHY",0x0040,0x6212, &bcm_5201_ops,0}, - {"Broadcom BCM5221 10/100 BaseT PHY",0x0040,0x61e4, &bcm_5201_ops,0}, - {"Broadcom BCM5222 10/100 BaseT PHY",0x0040,0x6322, &bcm_5201_ops,1}, - {"NS DP83847 PHY", 0x2000, 0x5c30, &bcm_5201_ops ,0}, - {"AMD 79C901 HomePNA PHY",0x0000,0x35c8, &am79c901_ops,0}, - {"AMD 79C874 10/100 BaseT PHY",0x0022,0x561b, &am79c874_ops,0}, - {"LSI 80227 10/100 BaseT PHY",0x0016,0xf840, &lsi_80227_ops,0}, - {"Intel LXT971A Dual Speed PHY",0x0013,0x78e2, &lxt971a_ops,0}, - {"Kendin KS8995M 10/100 BaseT PHY",0x0022,0x1450, &ks8995m_ops,0}, - {"SMSC LAN83C185 10/100 BaseT PHY",0x0007,0xc0a3, &smsc_83C185_ops,0}, -#ifdef CONFIG_MIPS_BOSPORUS - {"Stub", 0x1234, 0x5678, &stub_ops }, +#if defined(AU1XXX_PHY0_BUSID) && (AU1XXX_PHY0_BUSID > 0) +# error MAC0-associated PHY attached 2nd MACs MII bus not supported yet #endif - {0,}, -}; -static int mdio_read(struct net_device *dev, int phy_id, int reg) +/* + * MII operations + */ +static int mdio_read(struct net_device *dev, int phy_addr, int reg) { struct au1000_private *aup = (struct au1000_private *) dev->priv; - volatile u32 *mii_control_reg; - volatile u32 *mii_data_reg; + volatile u32 *const mii_control_reg = &aup->mac->mii_control; + volatile u32 *const mii_data_reg = &aup->mac->mii_data; u32 timedout = 20; u32 mii_control; - #ifdef CONFIG_BCM5222_DUAL_PHY - /* First time we probe, it's for the mac0 phy. - * Since we haven't determined yet that we have a dual phy, - * aup->mii->mii_control_reg won't be setup and we'll - * default to the else statement. - * By the time we probe for the mac1 phy, the mii_control_reg - * will be setup to be the address of the mac0 phy control since - * both phys are controlled through mac0. - */ - if (aup->mii && aup->mii->mii_control_reg) { - mii_control_reg = aup->mii->mii_control_reg; - mii_data_reg = aup->mii->mii_data_reg; - } - else if (au_macs[0]->mii && au_macs[0]->mii->mii_control_reg) { - /* assume both phys are controlled through mac0 */ - mii_control_reg = au_macs[0]->mii->mii_control_reg; - mii_data_reg = au_macs[0]->mii->mii_data_reg; - } - else - #endif - { - /* default control and data reg addresses */ - mii_control_reg = &aup->mac->mii_control; - mii_data_reg = &aup->mac->mii_data; - } - while (*mii_control_reg & MAC_MII_BUSY) { mdelay(1); if (--timedout == 0) { @@ -835,7 +215,7 @@ static int mdio_read(struct net_device *dev, int phy_id, int reg) } mii_control = MAC_SET_MII_SELECT_REG(reg) | - MAC_SET_MII_SELECT_PHY(phy_id) | MAC_MII_READ; + MAC_SET_MII_SELECT_PHY(phy_addr) | MAC_MII_READ; *mii_control_reg = mii_control; @@ -851,32 +231,14 @@ static int mdio_read(struct net_device *dev, int phy_id, int reg) return (int)*mii_data_reg; } -static void mdio_write(struct net_device *dev, int phy_id, int reg, u16 value) +static void mdio_write(struct net_device *dev, int phy_addr, int reg, u16 value) { struct au1000_private *aup = (struct au1000_private *) dev->priv; - volatile u32 *mii_control_reg; - volatile u32 *mii_data_reg; + volatile u32 *const mii_control_reg = &aup->mac->mii_control; + volatile u32 *const mii_data_reg = &aup->mac->mii_data; u32 timedout = 20; u32 mii_control; - #ifdef CONFIG_BCM5222_DUAL_PHY - if (aup->mii && aup->mii->mii_control_reg) { - mii_control_reg = aup->mii->mii_control_reg; - mii_data_reg = aup->mii->mii_data_reg; - } - else if (au_macs[0]->mii && au_macs[0]->mii->mii_control_reg) { - /* assume both phys are controlled through mac0 */ - mii_control_reg = au_macs[0]->mii->mii_control_reg; - mii_data_reg = au_macs[0]->mii->mii_data_reg; - } - else - #endif - { - /* default control and data reg addresses */ - mii_control_reg = &aup->mac->mii_control; - mii_data_reg = &aup->mac->mii_data; - } - while (*mii_control_reg & MAC_MII_BUSY) { mdelay(1); if (--timedout == 0) { @@ -887,165 +249,145 @@ static void mdio_write(struct net_device *dev, int phy_id, int reg, u16 value) } mii_control = MAC_SET_MII_SELECT_REG(reg) | - MAC_SET_MII_SELECT_PHY(phy_id) | MAC_MII_WRITE; + MAC_SET_MII_SELECT_PHY(phy_addr) | MAC_MII_WRITE; *mii_data_reg = value; *mii_control_reg = mii_control; } +static int mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum) +{ + /* WARNING: bus->phy_map[phy_addr].attached_dev == dev does + * _NOT_ hold (e.g. when PHY is accessed through other MAC's MII bus) */ + struct net_device *const dev = bus->priv; + + enable_mac(dev, 0); /* make sure the MAC associated with this + * mii_bus is enabled */ + return mdio_read(dev, phy_addr, regnum); +} -static void dump_mii(struct net_device *dev, int phy_id) +static int mdiobus_write(struct mii_bus *bus, int phy_addr, int regnum, + u16 value) { - int i, val; + struct net_device *const dev = bus->priv; - for (i = 0; i < 7; i++) { - if ((val = mdio_read(dev, phy_id, i)) >= 0) - printk("%s: MII Reg %d=%x\n", dev->name, i, val); - } - for (i = 16; i < 25; i++) { - if ((val = mdio_read(dev, phy_id, i)) >= 0) - printk("%s: MII Reg %d=%x\n", dev->name, i, val); - } + enable_mac(dev, 0); /* make sure the MAC associated with this + * mii_bus is enabled */ + mdio_write(dev, phy_addr, regnum, value); + return 0; } -static int mii_probe (struct net_device * dev) +static int mdiobus_reset(struct mii_bus *bus) { - struct au1000_private *aup = (struct au1000_private *) dev->priv; - int phy_addr; -#ifdef CONFIG_MIPS_BOSPORUS - int phy_found=0; -#endif + struct net_device *const dev = bus->priv; - /* search for total of 32 possible mii phy addresses */ - for (phy_addr = 0; phy_addr < 32; phy_addr++) { - u16 mii_status; - u16 phy_id0, phy_id1; - int i; + enable_mac(dev, 0); /* make sure the MAC associated with this + * mii_bus is enabled */ + return 0; +} - #ifdef CONFIG_BCM5222_DUAL_PHY - /* Mask the already found phy, try next one */ - if (au_macs[0]->mii && au_macs[0]->mii->mii_control_reg) { - if (au_macs[0]->phy_addr == phy_addr) - continue; - } - #endif - - mii_status = mdio_read(dev, phy_addr, MII_STATUS); - if (mii_status == 0xffff || mii_status == 0x0000) - /* the mii is not accessable, try next one */ - continue; - - phy_id0 = mdio_read(dev, phy_addr, MII_PHY_ID0); - phy_id1 = mdio_read(dev, phy_addr, MII_PHY_ID1); - - /* search our mii table for the current mii */ - for (i = 0; mii_chip_table[i].phy_id1; i++) { - if (phy_id0 == mii_chip_table[i].phy_id0 && - phy_id1 == mii_chip_table[i].phy_id1) { - struct mii_phy * mii_phy = aup->mii; - - printk(KERN_INFO "%s: %s at phy address %d\n", - dev->name, mii_chip_table[i].name, - phy_addr); -#ifdef CONFIG_MIPS_BOSPORUS - phy_found = 1; -#endif - mii_phy->chip_info = mii_chip_table+i; - aup->phy_addr = phy_addr; - aup->want_autoneg = 1; - aup->phy_ops = mii_chip_table[i].phy_ops; - aup->phy_ops->phy_init(dev,phy_addr); - - // Check for dual-phy and then store required - // values and set indicators. We need to do - // this now since mdio_{read,write} need the - // control and data register addresses. - #ifdef CONFIG_BCM5222_DUAL_PHY - if ( mii_chip_table[i].dual_phy) { - - /* assume both phys are controlled - * through MAC0. Board specific? */ - - /* sanity check */ - if (!au_macs[0] || !au_macs[0]->mii) - return -1; - aup->mii->mii_control_reg = (u32 *) - &au_macs[0]->mac->mii_control; - aup->mii->mii_data_reg = (u32 *) - &au_macs[0]->mac->mii_data; - } - #endif - goto found; - } +static int mii_probe (struct net_device *dev) +{ + struct au1000_private *const aup = (struct au1000_private *) dev->priv; + struct phy_device *phydev = NULL; + +#if defined(AU1XXX_PHY_STATIC_CONFIG) + BUG_ON(aup->mac_id < 0 || aup->mac_id > 1); + + if(aup->mac_id == 0) { /* get PHY0 */ +# if defined(AU1XXX_PHY0_ADDR) + phydev = au_macs[AU1XXX_PHY0_BUSID]->mii_bus.phy_map[AU1XXX_PHY0_ADDR]; +# else + printk (KERN_INFO DRV_NAME ":%s: using PHY-less setup\n", + dev->name); + return 0; +# endif /* defined(AU1XXX_PHY0_ADDR) */ + } else if (aup->mac_id == 1) { /* get PHY1 */ +# if defined(AU1XXX_PHY1_ADDR) + phydev = au_macs[AU1XXX_PHY1_BUSID]->mii_bus.phy_map[AU1XXX_PHY1_ADDR]; +# else + printk (KERN_INFO DRV_NAME ":%s: using PHY-less setup\n", + dev->name); + return 0; +# endif /* defined(AU1XXX_PHY1_ADDR) */ + } + +#else /* defined(AU1XXX_PHY_STATIC_CONFIG) */ + int phy_addr; + + /* find the first (lowest address) PHY on the current MAC's MII bus */ + for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) + if (aup->mii_bus.phy_map[phy_addr]) { + phydev = aup->mii_bus.phy_map[phy_addr]; +# if !defined(AU1XXX_PHY_SEARCH_HIGHEST_ADDR) + break; /* break out with first one found */ +# endif } - } -found: - -#ifdef CONFIG_MIPS_BOSPORUS - /* This is a workaround for the Micrel/Kendin 5 port switch - The second MAC doesn't see a PHY connected... so we need to - trick it into thinking we have one. - - If this kernel is run on another Au1500 development board - the stub will be found as well as the actual PHY. However, - the last found PHY will be used... usually at Addr 31 (Db1500). - */ - if ( (!phy_found) ) - { - u16 phy_id0, phy_id1; - int i; - phy_id0 = 0x1234; - phy_id1 = 0x5678; - - /* search our mii table for the current mii */ - for (i = 0; mii_chip_table[i].phy_id1; i++) { - if (phy_id0 == mii_chip_table[i].phy_id0 && - phy_id1 == mii_chip_table[i].phy_id1) { - struct mii_phy * mii_phy; - - printk(KERN_INFO "%s: %s at phy address %d\n", - dev->name, mii_chip_table[i].name, - phy_addr); - mii_phy = kmalloc(sizeof(struct mii_phy), - GFP_KERNEL); - if (mii_phy) { - mii_phy->chip_info = mii_chip_table+i; - aup->phy_addr = phy_addr; - mii_phy->next = aup->mii; - aup->phy_ops = - mii_chip_table[i].phy_ops; - aup->mii = mii_phy; - aup->phy_ops->phy_init(dev,phy_addr); - } else { - printk(KERN_ERR "%s: out of memory\n", - dev->name); - return -1; - } - mii_phy->chip_info = mii_chip_table+i; - aup->phy_addr = phy_addr; - aup->phy_ops = mii_chip_table[i].phy_ops; - aup->phy_ops->phy_init(dev,phy_addr); - break; - } +# if defined(AU1XXX_PHY1_SEARCH_ON_MAC0) + /* try harder to find a PHY */ + if (!phydev && (aup->mac_id == 1)) { + /* no PHY found, maybe we have a dual PHY? */ + printk (KERN_INFO DRV_NAME ": no PHY found on MAC1, " + "let's see if it's attached to MAC0...\n"); + + BUG_ON(!au_macs[0]); + + /* find the first (lowest address) non-attached PHY on + * the MAC0 MII bus */ + for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) { + struct phy_device *const tmp_phydev = + au_macs[0]->mii_bus.phy_map[phy_addr]; + + if (!tmp_phydev) + continue; /* no PHY here... */ + + if (tmp_phydev->attached_dev) + continue; /* already claimed by MAC0 */ + + phydev = tmp_phydev; + break; /* found it */ } } - if (aup->mac_id == 0) { - /* the Bosporus phy responds to addresses 0-5 but - * 5 is the correct one. - */ - aup->phy_addr = 5; - } -#endif +# endif /* defined(AU1XXX_PHY1_SEARCH_OTHER_BUS) */ - if (aup->mii->chip_info == NULL) { - printk(KERN_ERR "%s: Au1x No known MII transceivers found!\n", - dev->name); +#endif /* defined(AU1XXX_PHY_STATIC_CONFIG) */ + if (!phydev) { + printk (KERN_ERR DRV_NAME ":%s: no PHY found\n", dev->name); return -1; } - printk(KERN_INFO "%s: Using %s as default\n", - dev->name, aup->mii->chip_info->name); + /* now we are supposed to have a proper phydev, to attach to... */ + BUG_ON(!phydev); + BUG_ON(phydev->attached_dev); + + phydev = phy_connect(dev, phydev->dev.bus_id, &au1000_adjust_link, 0); + + if (IS_ERR(phydev)) { + printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); + return PTR_ERR(phydev); + } + + /* mask with MAC supported features */ + phydev->supported &= (SUPPORTED_10baseT_Half + | SUPPORTED_10baseT_Full + | SUPPORTED_100baseT_Half + | SUPPORTED_100baseT_Full + | SUPPORTED_Autoneg + /* | SUPPORTED_Pause | SUPPORTED_Asym_Pause */ + | SUPPORTED_MII + | SUPPORTED_TP); + + phydev->advertising = phydev->supported; + + aup->old_link = 0; + aup->old_speed = 0; + aup->old_duplex = -1; + aup->phy_dev = phydev; + + printk(KERN_INFO "%s: attached PHY driver [%s] " + "(mii_bus:phy_addr=%s, irq=%d)\n", + dev->name, phydev->drv->name, phydev->dev.bus_id, phydev->irq); return 0; } @@ -1097,35 +439,38 @@ static void hard_stop(struct net_device *dev) au_sync_delay(10); } - -static void reset_mac(struct net_device *dev) +static void enable_mac(struct net_device *dev, int force_reset) { - int i; - u32 flags; + unsigned long flags; struct au1000_private *aup = (struct au1000_private *) dev->priv; - if (au1000_debug > 4) - printk(KERN_INFO "%s: reset mac, aup %x\n", - dev->name, (unsigned)aup); - spin_lock_irqsave(&aup->lock, flags); - if (aup->timer.function == &au1000_timer) {/* check if timer initted */ - del_timer(&aup->timer); - } - hard_stop(dev); - #ifdef CONFIG_BCM5222_DUAL_PHY - if (aup->mac_id != 0) { - #endif - /* If BCM5222, we can't leave MAC0 in reset because then - * we can't access the dual phy for ETH1 */ + if(force_reset || (!aup->mac_enabled)) { *aup->enable = MAC_EN_CLOCK_ENABLE; au_sync_delay(2); - *aup->enable = 0; + *aup->enable = (MAC_EN_RESET0 | MAC_EN_RESET1 | MAC_EN_RESET2 + | MAC_EN_CLOCK_ENABLE); au_sync_delay(2); - #ifdef CONFIG_BCM5222_DUAL_PHY + + aup->mac_enabled = 1; } - #endif + + spin_unlock_irqrestore(&aup->lock, flags); +} + +static void reset_mac_unlocked(struct net_device *dev) +{ + struct au1000_private *const aup = (struct au1000_private *) dev->priv; + int i; + + hard_stop(dev); + + *aup->enable = MAC_EN_CLOCK_ENABLE; + au_sync_delay(2); + *aup->enable = 0; + au_sync_delay(2); + aup->tx_full = 0; for (i = 0; i < NUM_RX_DMA; i++) { /* reset control bits */ @@ -1135,9 +480,26 @@ static void reset_mac(struct net_device *dev) /* reset control bits */ aup->tx_dma_ring[i]->buff_stat &= ~0xf; } - spin_unlock_irqrestore(&aup->lock, flags); + + aup->mac_enabled = 0; + } +static void reset_mac(struct net_device *dev) +{ + struct au1000_private *const aup = (struct au1000_private *) dev->priv; + unsigned long flags; + + if (au1000_debug > 4) + printk(KERN_INFO "%s: reset mac, aup %x\n", + dev->name, (unsigned)aup); + + spin_lock_irqsave(&aup->lock, flags); + + reset_mac_unlocked (dev); + + spin_unlock_irqrestore(&aup->lock, flags); +} /* * Setup the receive and transmit "rings". These pointers are the addresses @@ -1160,12 +522,27 @@ setup_hw_rings(struct au1000_private *aup, u32 rx_base, u32 tx_base) } static struct { - int port; u32 base_addr; u32 macen_addr; int irq; struct net_device *dev; -} iflist[2]; +} iflist[2] = { +#ifdef CONFIG_SOC_AU1000 + {AU1000_ETH0_BASE, AU1000_MAC0_ENABLE, AU1000_MAC0_DMA_INT}, + {AU1000_ETH1_BASE, AU1000_MAC1_ENABLE, AU1000_MAC1_DMA_INT} +#endif +#ifdef CONFIG_SOC_AU1100 + {AU1100_ETH0_BASE, AU1100_MAC0_ENABLE, AU1100_MAC0_DMA_INT} +#endif +#ifdef CONFIG_SOC_AU1500 + {AU1500_ETH0_BASE, AU1500_MAC0_ENABLE, AU1500_MAC0_DMA_INT}, + {AU1500_ETH1_BASE, AU1500_MAC1_ENABLE, AU1500_MAC1_DMA_INT} +#endif +#ifdef CONFIG_SOC_AU1550 + {AU1550_ETH0_BASE, AU1550_MAC0_ENABLE, AU1550_MAC0_DMA_INT}, + {AU1550_ETH1_BASE, AU1550_MAC1_ENABLE, AU1550_MAC1_DMA_INT} +#endif +}; static int num_ifs; @@ -1176,58 +553,14 @@ static int num_ifs; */ static int __init au1000_init_module(void) { - struct cpuinfo_mips *c = ¤t_cpu_data; int ni = (int)((au_readl(SYS_PINFUNC) & (u32)(SYS_PF_NI2)) >> 4); struct net_device *dev; int i, found_one = 0; - switch (c->cputype) { -#ifdef CONFIG_SOC_AU1000 - case CPU_AU1000: - num_ifs = 2 - ni; - iflist[0].base_addr = AU1000_ETH0_BASE; - iflist[1].base_addr = AU1000_ETH1_BASE; - iflist[0].macen_addr = AU1000_MAC0_ENABLE; - iflist[1].macen_addr = AU1000_MAC1_ENABLE; - iflist[0].irq = AU1000_MAC0_DMA_INT; - iflist[1].irq = AU1000_MAC1_DMA_INT; - break; -#endif -#ifdef CONFIG_SOC_AU1100 - case CPU_AU1100: - num_ifs = 1 - ni; - iflist[0].base_addr = AU1100_ETH0_BASE; - iflist[0].macen_addr = AU1100_MAC0_ENABLE; - iflist[0].irq = AU1100_MAC0_DMA_INT; - break; -#endif -#ifdef CONFIG_SOC_AU1500 - case CPU_AU1500: - num_ifs = 2 - ni; - iflist[0].base_addr = AU1500_ETH0_BASE; - iflist[1].base_addr = AU1500_ETH1_BASE; - iflist[0].macen_addr = AU1500_MAC0_ENABLE; - iflist[1].macen_addr = AU1500_MAC1_ENABLE; - iflist[0].irq = AU1500_MAC0_DMA_INT; - iflist[1].irq = AU1500_MAC1_DMA_INT; - break; -#endif -#ifdef CONFIG_SOC_AU1550 - case CPU_AU1550: - num_ifs = 2 - ni; - iflist[0].base_addr = AU1550_ETH0_BASE; - iflist[1].base_addr = AU1550_ETH1_BASE; - iflist[0].macen_addr = AU1550_MAC0_ENABLE; - iflist[1].macen_addr = AU1550_MAC1_ENABLE; - iflist[0].irq = AU1550_MAC0_DMA_INT; - iflist[1].irq = AU1550_MAC1_DMA_INT; - break; -#endif - default: - num_ifs = 0; - } + num_ifs = NUM_ETH_INTERFACES - ni; + for(i = 0; i < num_ifs; i++) { - dev = au1000_probe(iflist[i].base_addr, iflist[i].irq, i); + dev = au1000_probe(i); iflist[i].dev = dev; if (dev) found_one++; @@ -1237,178 +570,31 @@ static int __init au1000_init_module(void) return 0; } -static int au1000_setup_aneg(struct net_device *dev, u32 advertise) -{ - struct au1000_private *aup = (struct au1000_private *)dev->priv; - u16 ctl, adv; - - /* Setup standard advertise */ - adv = mdio_read(dev, aup->phy_addr, MII_ADVERTISE); - adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4); - if (advertise & ADVERTISED_10baseT_Half) - adv |= ADVERTISE_10HALF; - if (advertise & ADVERTISED_10baseT_Full) - adv |= ADVERTISE_10FULL; - if (advertise & ADVERTISED_100baseT_Half) - adv |= ADVERTISE_100HALF; - if (advertise & ADVERTISED_100baseT_Full) - adv |= ADVERTISE_100FULL; - mdio_write(dev, aup->phy_addr, MII_ADVERTISE, adv); - - /* Start/Restart aneg */ - ctl = mdio_read(dev, aup->phy_addr, MII_BMCR); - ctl |= (BMCR_ANENABLE | BMCR_ANRESTART); - mdio_write(dev, aup->phy_addr, MII_BMCR, ctl); - - return 0; -} +/* + * ethtool operations + */ -static int au1000_setup_forced(struct net_device *dev, int speed, int fd) +static int au1000_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) { struct au1000_private *aup = (struct au1000_private *)dev->priv; - u16 ctl; - - ctl = mdio_read(dev, aup->phy_addr, MII_BMCR); - ctl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 | BMCR_ANENABLE); - - /* First reset the PHY */ - mdio_write(dev, aup->phy_addr, MII_BMCR, ctl | BMCR_RESET); - - /* Select speed & duplex */ - switch (speed) { - case SPEED_10: - break; - case SPEED_100: - ctl |= BMCR_SPEED100; - break; - case SPEED_1000: - default: - return -EINVAL; - } - if (fd == DUPLEX_FULL) - ctl |= BMCR_FULLDPLX; - mdio_write(dev, aup->phy_addr, MII_BMCR, ctl); - return 0; -} + if (aup->phy_dev) + return phy_ethtool_gset(aup->phy_dev, cmd); - -static void -au1000_start_link(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct au1000_private *aup = (struct au1000_private *)dev->priv; - u32 advertise; - int autoneg; - int forced_speed; - int forced_duplex; - - /* Default advertise */ - advertise = GENMII_DEFAULT_ADVERTISE; - autoneg = aup->want_autoneg; - forced_speed = SPEED_100; - forced_duplex = DUPLEX_FULL; - - /* Setup link parameters */ - if (cmd) { - if (cmd->autoneg == AUTONEG_ENABLE) { - advertise = cmd->advertising; - autoneg = 1; - } else { - autoneg = 0; - - forced_speed = cmd->speed; - forced_duplex = cmd->duplex; - } - } - - /* Configure PHY & start aneg */ - aup->want_autoneg = autoneg; - if (autoneg) - au1000_setup_aneg(dev, advertise); - else - au1000_setup_forced(dev, forced_speed, forced_duplex); - mod_timer(&aup->timer, jiffies + HZ); + return -EINVAL; } -static int au1000_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +static int au1000_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) { struct au1000_private *aup = (struct au1000_private *)dev->priv; - u16 link, speed; - - cmd->supported = GENMII_DEFAULT_FEATURES; - cmd->advertising = GENMII_DEFAULT_ADVERTISE; - cmd->port = PORT_MII; - cmd->transceiver = XCVR_EXTERNAL; - cmd->phy_address = aup->phy_addr; - spin_lock_irq(&aup->lock); - cmd->autoneg = aup->want_autoneg; - aup->phy_ops->phy_status(dev, aup->phy_addr, &link, &speed); - if ((speed == IF_PORT_100BASETX) || (speed == IF_PORT_100BASEFX)) - cmd->speed = SPEED_100; - else if (speed == IF_PORT_10BASET) - cmd->speed = SPEED_10; - if (link && (dev->if_port == IF_PORT_100BASEFX)) - cmd->duplex = DUPLEX_FULL; - else - cmd->duplex = DUPLEX_HALF; - spin_unlock_irq(&aup->lock); - return 0; -} -static int au1000_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) -{ - struct au1000_private *aup = (struct au1000_private *)dev->priv; - unsigned long features = GENMII_DEFAULT_FEATURES; - - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - - if (cmd->autoneg != AUTONEG_ENABLE && cmd->autoneg != AUTONEG_DISABLE) - return -EINVAL; - if (cmd->autoneg == AUTONEG_ENABLE && cmd->advertising == 0) - return -EINVAL; - if (cmd->duplex != DUPLEX_HALF && cmd->duplex != DUPLEX_FULL) - return -EINVAL; - if (cmd->autoneg == AUTONEG_DISABLE) - switch (cmd->speed) { - case SPEED_10: - if (cmd->duplex == DUPLEX_HALF && - (features & SUPPORTED_10baseT_Half) == 0) - return -EINVAL; - if (cmd->duplex == DUPLEX_FULL && - (features & SUPPORTED_10baseT_Full) == 0) - return -EINVAL; - break; - case SPEED_100: - if (cmd->duplex == DUPLEX_HALF && - (features & SUPPORTED_100baseT_Half) == 0) - return -EINVAL; - if (cmd->duplex == DUPLEX_FULL && - (features & SUPPORTED_100baseT_Full) == 0) - return -EINVAL; - break; - default: - return -EINVAL; - } - else if ((features & SUPPORTED_Autoneg) == 0) - return -EINVAL; - - spin_lock_irq(&aup->lock); - au1000_start_link(dev, cmd); - spin_unlock_irq(&aup->lock); - return 0; -} + if (!capable(CAP_NET_ADMIN)) + return -EPERM; -static int au1000_nway_reset(struct net_device *dev) -{ - struct au1000_private *aup = (struct au1000_private *)dev->priv; + if (aup->phy_dev) + return phy_ethtool_sset(aup->phy_dev, cmd); - if (!aup->want_autoneg) - return -EINVAL; - spin_lock_irq(&aup->lock); - au1000_start_link(dev, NULL); - spin_unlock_irq(&aup->lock); - return 0; + return -EINVAL; } static void @@ -1423,21 +609,14 @@ au1000_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) info->regdump_len = 0; } -static u32 au1000_get_link(struct net_device *dev) -{ - return netif_carrier_ok(dev); -} - static struct ethtool_ops au1000_ethtool_ops = { .get_settings = au1000_get_settings, .set_settings = au1000_set_settings, .get_drvinfo = au1000_get_drvinfo, - .nway_reset = au1000_nway_reset, - .get_link = au1000_get_link + .get_link = ethtool_op_get_link, }; -static struct net_device * -au1000_probe(u32 ioaddr, int irq, int port_num) +static struct net_device * au1000_probe(int port_num) { static unsigned version_printed = 0; struct au1000_private *aup = NULL; @@ -1445,106 +624,115 @@ au1000_probe(u32 ioaddr, int irq, int port_num) db_dest_t *pDB, *pDBfree; char *pmac, *argptr; char ethaddr[6]; - int i, err; + int irq, i, err; + u32 base, macen; + + if (port_num >= NUM_ETH_INTERFACES) + return NULL; + + base = CPHYSADDR(iflist[port_num].base_addr ); + macen = CPHYSADDR(iflist[port_num].macen_addr); + irq = iflist[port_num].irq; - if (!request_mem_region(CPHYSADDR(ioaddr), MAC_IOSIZE, "Au1x00 ENET")) + if (!request_mem_region( base, MAC_IOSIZE, "Au1x00 ENET") || + !request_mem_region(macen, 4, "Au1x00 ENET")) return NULL; - if (version_printed++ == 0) + if (version_printed++ == 0) printk("%s version %s %s\n", DRV_NAME, DRV_VERSION, DRV_AUTHOR); dev = alloc_etherdev(sizeof(struct au1000_private)); if (!dev) { - printk (KERN_ERR "au1000 eth: alloc_etherdev failed\n"); + printk(KERN_ERR "%s: alloc_etherdev failed\n", DRV_NAME); return NULL; } - if ((err = register_netdev(dev))) { - printk(KERN_ERR "Au1x_eth Cannot register net device err %d\n", - err); + if ((err = register_netdev(dev)) != 0) { + printk(KERN_ERR "%s: Cannot register net device, error %d\n", + DRV_NAME, err); free_netdev(dev); return NULL; } - printk("%s: Au1x Ethernet found at 0x%x, irq %d\n", - dev->name, ioaddr, irq); + printk("%s: Au1xx0 Ethernet found at 0x%x, irq %d\n", + dev->name, base, irq); aup = dev->priv; /* Allocate the data buffers */ /* Snooping works fine with eth on all au1xxx */ - aup->vaddr = (u32)dma_alloc_noncoherent(NULL, - MAX_BUF_SIZE * (NUM_TX_BUFFS+NUM_RX_BUFFS), - &aup->dma_addr, - 0); + aup->vaddr = (u32)dma_alloc_noncoherent(NULL, MAX_BUF_SIZE * + (NUM_TX_BUFFS + NUM_RX_BUFFS), + &aup->dma_addr, 0); if (!aup->vaddr) { free_netdev(dev); - release_mem_region(CPHYSADDR(ioaddr), MAC_IOSIZE); + release_mem_region( base, MAC_IOSIZE); + release_mem_region(macen, 4); return NULL; } /* aup->mac is the base address of the MAC's registers */ - aup->mac = (volatile mac_reg_t *)((unsigned long)ioaddr); + aup->mac = (volatile mac_reg_t *)iflist[port_num].base_addr; + /* Setup some variables for quick register address access */ - if (ioaddr == iflist[0].base_addr) - { - /* check env variables first */ - if (!get_ethernet_addr(ethaddr)) { + aup->enable = (volatile u32 *)iflist[port_num].macen_addr; + aup->mac_id = port_num; + au_macs[port_num] = aup; + + if (port_num == 0) { + /* Check the environment variables first */ + if (get_ethernet_addr(ethaddr) == 0) memcpy(au1000_mac_addr, ethaddr, sizeof(au1000_mac_addr)); - } else { + else { /* Check command line */ argptr = prom_getcmdline(); - if ((pmac = strstr(argptr, "ethaddr=")) == NULL) { - printk(KERN_INFO "%s: No mac address found\n", - dev->name); - /* use the hard coded mac addresses */ - } else { + if ((pmac = strstr(argptr, "ethaddr=")) == NULL) + printk(KERN_INFO "%s: No MAC address found\n", + dev->name); + /* Use the hard coded MAC addresses */ + else { str2eaddr(ethaddr, pmac + strlen("ethaddr=")); memcpy(au1000_mac_addr, ethaddr, - sizeof(au1000_mac_addr)); + sizeof(au1000_mac_addr)); } } - aup->enable = (volatile u32 *) - ((unsigned long)iflist[0].macen_addr); - memcpy(dev->dev_addr, au1000_mac_addr, sizeof(au1000_mac_addr)); + setup_hw_rings(aup, MAC0_RX_DMA_ADDR, MAC0_TX_DMA_ADDR); - aup->mac_id = 0; - au_macs[0] = aup; - } - else - if (ioaddr == iflist[1].base_addr) - { - aup->enable = (volatile u32 *) - ((unsigned long)iflist[1].macen_addr); - memcpy(dev->dev_addr, au1000_mac_addr, sizeof(au1000_mac_addr)); - dev->dev_addr[4] += 0x10; + } else if (port_num == 1) setup_hw_rings(aup, MAC1_RX_DMA_ADDR, MAC1_TX_DMA_ADDR); - aup->mac_id = 1; - au_macs[1] = aup; - } - else - { - printk(KERN_ERR "%s: bad ioaddr\n", dev->name); - } - - /* bring the device out of reset, otherwise probing the mii - * will hang */ - *aup->enable = MAC_EN_CLOCK_ENABLE; - au_sync_delay(2); - *aup->enable = MAC_EN_RESET0 | MAC_EN_RESET1 | - MAC_EN_RESET2 | MAC_EN_CLOCK_ENABLE; - au_sync_delay(2); - aup->mii = kmalloc(sizeof(struct mii_phy), GFP_KERNEL); - if (!aup->mii) { - printk(KERN_ERR "%s: out of memory\n", dev->name); - goto err_out; - } - aup->mii->next = NULL; - aup->mii->chip_info = NULL; - aup->mii->status = 0; - aup->mii->mii_control_reg = 0; - aup->mii->mii_data_reg = 0; + /* + * Assign to the Ethernet ports two consecutive MAC addresses + * to match those that are printed on their stickers + */ + memcpy(dev->dev_addr, au1000_mac_addr, sizeof(au1000_mac_addr)); + dev->dev_addr[5] += port_num; + + *aup->enable = 0; + aup->mac_enabled = 0; + + aup->mii_bus.priv = dev; + aup->mii_bus.read = mdiobus_read; + aup->mii_bus.write = mdiobus_write; + aup->mii_bus.reset = mdiobus_reset; + aup->mii_bus.name = "au1000_eth_mii"; + aup->mii_bus.id = aup->mac_id; + aup->mii_bus.irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL); + for(i = 0; i < PHY_MAX_ADDR; ++i) + aup->mii_bus.irq[i] = PHY_POLL; + + /* if known, set corresponding PHY IRQs */ +#if defined(AU1XXX_PHY_STATIC_CONFIG) +# if defined(AU1XXX_PHY0_IRQ) + if (AU1XXX_PHY0_BUSID == aup->mii_bus.id) + aup->mii_bus.irq[AU1XXX_PHY0_ADDR] = AU1XXX_PHY0_IRQ; +# endif +# if defined(AU1XXX_PHY1_IRQ) + if (AU1XXX_PHY1_BUSID == aup->mii_bus.id) + aup->mii_bus.irq[AU1XXX_PHY1_ADDR] = AU1XXX_PHY1_IRQ; +# endif +#endif + mdiobus_register(&aup->mii_bus); if (mii_probe(dev) != 0) { goto err_out; @@ -1581,7 +769,7 @@ au1000_probe(u32 ioaddr, int irq, int port_num) } spin_lock_init(&aup->lock); - dev->base_addr = ioaddr; + dev->base_addr = base; dev->irq = irq; dev->open = au1000_open; dev->hard_start_xmit = au1000_tx; @@ -1590,7 +778,6 @@ au1000_probe(u32 ioaddr, int irq, int port_num) dev->set_multicast_list = &set_rx_mode; dev->do_ioctl = &au1000_ioctl; SET_ETHTOOL_OPS(dev, &au1000_ethtool_ops); - dev->set_config = &au1000_set_config; dev->tx_timeout = au1000_tx_timeout; dev->watchdog_timeo = ETH_TX_TIMEOUT; @@ -1606,7 +793,7 @@ err_out: /* here we should have a valid dev plus aup-> register addresses * so we can reset the mac properly.*/ reset_mac(dev); - kfree(aup->mii); + for (i = 0; i < NUM_RX_DMA; i++) { if (aup->rx_db_inuse[i]) ReleaseDB(aup, aup->rx_db_inuse[i]); @@ -1615,13 +802,12 @@ err_out: if (aup->tx_db_inuse[i]) ReleaseDB(aup, aup->tx_db_inuse[i]); } - dma_free_noncoherent(NULL, - MAX_BUF_SIZE * (NUM_TX_BUFFS+NUM_RX_BUFFS), - (void *)aup->vaddr, - aup->dma_addr); + dma_free_noncoherent(NULL, MAX_BUF_SIZE * (NUM_TX_BUFFS + NUM_RX_BUFFS), + (void *)aup->vaddr, aup->dma_addr); unregister_netdev(dev); free_netdev(dev); - release_mem_region(CPHYSADDR(ioaddr), MAC_IOSIZE); + release_mem_region( base, MAC_IOSIZE); + release_mem_region(macen, 4); return NULL; } @@ -1640,19 +826,14 @@ static int au1000_init(struct net_device *dev) u32 flags; int i; u32 control; - u16 link, speed; if (au1000_debug > 4) printk("%s: au1000_init\n", dev->name); - spin_lock_irqsave(&aup->lock, flags); - /* bring the device out of reset */ - *aup->enable = MAC_EN_CLOCK_ENABLE; - au_sync_delay(2); - *aup->enable = MAC_EN_RESET0 | MAC_EN_RESET1 | - MAC_EN_RESET2 | MAC_EN_CLOCK_ENABLE; - au_sync_delay(20); + enable_mac(dev, 1); + + spin_lock_irqsave(&aup->lock, flags); aup->mac->control = 0; aup->tx_head = (aup->tx_dma_ring[0]->buff_stat & 0xC) >> 2; @@ -1668,12 +849,16 @@ static int au1000_init(struct net_device *dev) } au_sync(); - aup->phy_ops->phy_status(dev, aup->phy_addr, &link, &speed); - control = MAC_DISABLE_RX_OWN | MAC_RX_ENABLE | MAC_TX_ENABLE; + control = MAC_RX_ENABLE | MAC_TX_ENABLE; #ifndef CONFIG_CPU_LITTLE_ENDIAN control |= MAC_BIG_ENDIAN; #endif - if (link && (dev->if_port == IF_PORT_100BASEFX)) { + if (aup->phy_dev) { + if (aup->phy_dev->link && (DUPLEX_FULL == aup->phy_dev->duplex)) + control |= MAC_FULL_DUPLEX; + else + control |= MAC_DISABLE_RX_OWN; + } else { /* PHY-less op, assume full-duplex */ control |= MAC_FULL_DUPLEX; } @@ -1685,57 +870,84 @@ static int au1000_init(struct net_device *dev) return 0; } -static void au1000_timer(unsigned long data) +static void +au1000_adjust_link(struct net_device *dev) { - struct net_device *dev = (struct net_device *)data; struct au1000_private *aup = (struct au1000_private *) dev->priv; - unsigned char if_port; - u16 link, speed; + struct phy_device *phydev = aup->phy_dev; + unsigned long flags; - if (!dev) { - /* fatal error, don't restart the timer */ - printk(KERN_ERR "au1000_timer error: NULL dev\n"); - return; - } + int status_change = 0; - if_port = dev->if_port; - if (aup->phy_ops->phy_status(dev, aup->phy_addr, &link, &speed) == 0) { - if (link) { - if (!netif_carrier_ok(dev)) { - netif_carrier_on(dev); - printk(KERN_INFO "%s: link up\n", dev->name); - } - } - else { - if (netif_carrier_ok(dev)) { - netif_carrier_off(dev); - dev->if_port = 0; - printk(KERN_INFO "%s: link down\n", dev->name); - } + BUG_ON(!aup->phy_dev); + + spin_lock_irqsave(&aup->lock, flags); + + if (phydev->link && (aup->old_speed != phydev->speed)) { + // speed changed + + switch(phydev->speed) { + case SPEED_10: + case SPEED_100: + break; + default: + printk(KERN_WARNING + "%s: Speed (%d) is not 10/100 ???\n", + dev->name, phydev->speed); + break; } + + aup->old_speed = phydev->speed; + + status_change = 1; } - if (link && (dev->if_port != if_port) && - (dev->if_port != IF_PORT_UNKNOWN)) { + if (phydev->link && (aup->old_duplex != phydev->duplex)) { + // duplex mode changed + + /* switching duplex mode requires to disable rx and tx! */ hard_stop(dev); - if (dev->if_port == IF_PORT_100BASEFX) { - printk(KERN_INFO "%s: going to full duplex\n", - dev->name); - aup->mac->control |= MAC_FULL_DUPLEX; - au_sync_delay(1); - } - else { - aup->mac->control &= ~MAC_FULL_DUPLEX; - au_sync_delay(1); - } + + if (DUPLEX_FULL == phydev->duplex) + aup->mac->control = ((aup->mac->control + | MAC_FULL_DUPLEX) + & ~MAC_DISABLE_RX_OWN); + else + aup->mac->control = ((aup->mac->control + & ~MAC_FULL_DUPLEX) + | MAC_DISABLE_RX_OWN); + au_sync_delay(1); + enable_rx_tx(dev); + aup->old_duplex = phydev->duplex; + + status_change = 1; } - aup->timer.expires = RUN_AT((1*HZ)); - aup->timer.data = (unsigned long)dev; - aup->timer.function = &au1000_timer; /* timer handler */ - add_timer(&aup->timer); + if(phydev->link != aup->old_link) { + // link state changed + if (phydev->link) // link went up + netif_schedule(dev); + else { // link went down + aup->old_speed = 0; + aup->old_duplex = -1; + } + + aup->old_link = phydev->link; + status_change = 1; + } + + spin_unlock_irqrestore(&aup->lock, flags); + + if (status_change) { + if (phydev->link) + printk(KERN_INFO "%s: link up (%d/%s)\n", + dev->name, phydev->speed, + DUPLEX_FULL == phydev->duplex ? "Full" : "Half"); + else + printk(KERN_INFO "%s: link down\n", dev->name); + } } static int au1000_open(struct net_device *dev) @@ -1746,25 +958,26 @@ static int au1000_open(struct net_device *dev) if (au1000_debug > 4) printk("%s: open: dev=%p\n", dev->name, dev); + if ((retval = request_irq(dev->irq, &au1000_interrupt, 0, + dev->name, dev))) { + printk(KERN_ERR "%s: unable to get IRQ %d\n", + dev->name, dev->irq); + return retval; + } + if ((retval = au1000_init(dev))) { printk(KERN_ERR "%s: error in au1000_init\n", dev->name); free_irq(dev->irq, dev); return retval; } - netif_start_queue(dev); - if ((retval = request_irq(dev->irq, &au1000_interrupt, 0, - dev->name, dev))) { - printk(KERN_ERR "%s: unable to get IRQ %d\n", - dev->name, dev->irq); - return retval; + if (aup->phy_dev) { + /* cause the PHY state machine to schedule a link state check */ + aup->phy_dev->state = PHY_CHANGELINK; + phy_start(aup->phy_dev); } - init_timer(&aup->timer); /* used in ioctl() */ - aup->timer.expires = RUN_AT((3*HZ)); - aup->timer.data = (unsigned long)dev; - aup->timer.function = &au1000_timer; /* timer handler */ - add_timer(&aup->timer); + netif_start_queue(dev); if (au1000_debug > 4) printk("%s: open: Initialization done.\n", dev->name); @@ -1774,16 +987,19 @@ static int au1000_open(struct net_device *dev) static int au1000_close(struct net_device *dev) { - u32 flags; - struct au1000_private *aup = (struct au1000_private *) dev->priv; + unsigned long flags; + struct au1000_private *const aup = (struct au1000_private *) dev->priv; if (au1000_debug > 4) printk("%s: close: dev=%p\n", dev->name, dev); - reset_mac(dev); + if (aup->phy_dev) + phy_stop(aup->phy_dev); spin_lock_irqsave(&aup->lock, flags); - + + reset_mac_unlocked (dev); + /* stop the device */ netif_stop_queue(dev); @@ -1805,21 +1021,18 @@ static void __exit au1000_cleanup_module(void) if (dev) { aup = (struct au1000_private *) dev->priv; unregister_netdev(dev); - kfree(aup->mii); - for (j = 0; j < NUM_RX_DMA; j++) { + for (j = 0; j < NUM_RX_DMA; j++) if (aup->rx_db_inuse[j]) ReleaseDB(aup, aup->rx_db_inuse[j]); - } - for (j = 0; j < NUM_TX_DMA; j++) { + for (j = 0; j < NUM_TX_DMA; j++) if (aup->tx_db_inuse[j]) ReleaseDB(aup, aup->tx_db_inuse[j]); - } - dma_free_noncoherent(NULL, - MAX_BUF_SIZE * (NUM_TX_BUFFS+NUM_RX_BUFFS), - (void *)aup->vaddr, - aup->dma_addr); + dma_free_noncoherent(NULL, MAX_BUF_SIZE * + (NUM_TX_BUFFS + NUM_RX_BUFFS), + (void *)aup->vaddr, aup->dma_addr); + release_mem_region(dev->base_addr, MAC_IOSIZE); + release_mem_region(CPHYSADDR(iflist[i].macen_addr), 4); free_netdev(dev); - release_mem_region(CPHYSADDR(iflist[i].base_addr), MAC_IOSIZE); } } } @@ -1830,7 +1043,7 @@ static void update_tx_stats(struct net_device *dev, u32 status) struct net_device_stats *ps = &aup->stats; if (status & TX_FRAME_ABORTED) { - if (dev->if_port == IF_PORT_100BASEFX) { + if (!aup->phy_dev || (DUPLEX_FULL == aup->phy_dev->duplex)) { if (status & (TX_JAB_TIMEOUT | TX_UNDERRUN)) { /* any other tx errors are only valid * in half duplex mode */ @@ -2104,126 +1317,15 @@ static void set_rx_mode(struct net_device *dev) } } - static int au1000_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { struct au1000_private *aup = (struct au1000_private *)dev->priv; - u16 *data = (u16 *)&rq->ifr_ifru; - - switch(cmd) { - case SIOCDEVPRIVATE: /* Get the address of the PHY in use. */ - case SIOCGMIIPHY: - if (!netif_running(dev)) return -EINVAL; - data[0] = aup->phy_addr; - case SIOCDEVPRIVATE+1: /* Read the specified MII register. */ - case SIOCGMIIREG: - data[3] = mdio_read(dev, data[0], data[1]); - return 0; - case SIOCDEVPRIVATE+2: /* Write the specified MII register */ - case SIOCSMIIREG: - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - mdio_write(dev, data[0], data[1],data[2]); - return 0; - default: - return -EOPNOTSUPP; - } - -} - - -static int au1000_set_config(struct net_device *dev, struct ifmap *map) -{ - struct au1000_private *aup = (struct au1000_private *) dev->priv; - u16 control; - if (au1000_debug > 4) { - printk("%s: set_config called: dev->if_port %d map->port %x\n", - dev->name, dev->if_port, map->port); - } + if (!netif_running(dev)) return -EINVAL; - switch(map->port){ - case IF_PORT_UNKNOWN: /* use auto here */ - printk(KERN_INFO "%s: config phy for aneg\n", - dev->name); - dev->if_port = map->port; - /* Link Down: the timer will bring it up */ - netif_carrier_off(dev); - - /* read current control */ - control = mdio_read(dev, aup->phy_addr, MII_CONTROL); - control &= ~(MII_CNTL_FDX | MII_CNTL_F100); - - /* enable auto negotiation and reset the negotiation */ - mdio_write(dev, aup->phy_addr, MII_CONTROL, - control | MII_CNTL_AUTO | - MII_CNTL_RST_AUTO); + if (!aup->phy_dev) return -EINVAL; // PHY not controllable - break; - - case IF_PORT_10BASET: /* 10BaseT */ - printk(KERN_INFO "%s: config phy for 10BaseT\n", - dev->name); - dev->if_port = map->port; - - /* Link Down: the timer will bring it up */ - netif_carrier_off(dev); - - /* set Speed to 10Mbps, Half Duplex */ - control = mdio_read(dev, aup->phy_addr, MII_CONTROL); - control &= ~(MII_CNTL_F100 | MII_CNTL_AUTO | - MII_CNTL_FDX); - - /* disable auto negotiation and force 10M/HD mode*/ - mdio_write(dev, aup->phy_addr, MII_CONTROL, control); - break; - - case IF_PORT_100BASET: /* 100BaseT */ - case IF_PORT_100BASETX: /* 100BaseTx */ - printk(KERN_INFO "%s: config phy for 100BaseTX\n", - dev->name); - dev->if_port = map->port; - - /* Link Down: the timer will bring it up */ - netif_carrier_off(dev); - - /* set Speed to 100Mbps, Half Duplex */ - /* disable auto negotiation and enable 100MBit Mode */ - control = mdio_read(dev, aup->phy_addr, MII_CONTROL); - control &= ~(MII_CNTL_AUTO | MII_CNTL_FDX); - control |= MII_CNTL_F100; - mdio_write(dev, aup->phy_addr, MII_CONTROL, control); - break; - - case IF_PORT_100BASEFX: /* 100BaseFx */ - printk(KERN_INFO "%s: config phy for 100BaseFX\n", - dev->name); - dev->if_port = map->port; - - /* Link Down: the timer will bring it up */ - netif_carrier_off(dev); - - /* set Speed to 100Mbps, Full Duplex */ - /* disable auto negotiation and enable 100MBit Mode */ - control = mdio_read(dev, aup->phy_addr, MII_CONTROL); - control &= ~MII_CNTL_AUTO; - control |= MII_CNTL_F100 | MII_CNTL_FDX; - mdio_write(dev, aup->phy_addr, MII_CONTROL, control); - break; - case IF_PORT_10BASE2: /* 10Base2 */ - case IF_PORT_AUI: /* AUI */ - /* These Modes are not supported (are they?)*/ - printk(KERN_ERR "%s: 10Base2/AUI not supported", - dev->name); - return -EOPNOTSUPP; - break; - - default: - printk(KERN_ERR "%s: Invalid media selected", - dev->name); - return -EINVAL; - } - return 0; + return phy_mii_ioctl(aup->phy_dev, if_mii(rq), cmd); } static struct net_device_stats *au1000_get_stats(struct net_device *dev) diff --git a/drivers/net/au1000_eth.h b/drivers/net/au1000_eth.h index 7f9326e39cc0..41c2f848d2c4 100644 --- a/drivers/net/au1000_eth.h +++ b/drivers/net/au1000_eth.h @@ -40,120 +40,6 @@ #define MULTICAST_FILTER_LIMIT 64 -/* FIXME - * The PHY defines should be in a separate file. - */ - -/* MII register offsets */ -#define MII_CONTROL 0x0000 -#define MII_STATUS 0x0001 -#define MII_PHY_ID0 0x0002 -#define MII_PHY_ID1 0x0003 -#define MII_ANADV 0x0004 -#define MII_ANLPAR 0x0005 -#define MII_AEXP 0x0006 -#define MII_ANEXT 0x0007 -#define MII_LSI_PHY_CONFIG 0x0011 -/* Status register */ -#define MII_LSI_PHY_STAT 0x0012 -#define MII_AMD_PHY_STAT MII_LSI_PHY_STAT -#define MII_INTEL_PHY_STAT 0x0011 - -#define MII_AUX_CNTRL 0x0018 -/* mii registers specific to AMD 79C901 */ -#define MII_STATUS_SUMMARY = 0x0018 - -/* MII Control register bit definitions. */ -#define MII_CNTL_FDX 0x0100 -#define MII_CNTL_RST_AUTO 0x0200 -#define MII_CNTL_ISOLATE 0x0400 -#define MII_CNTL_PWRDWN 0x0800 -#define MII_CNTL_AUTO 0x1000 -#define MII_CNTL_F100 0x2000 -#define MII_CNTL_LPBK 0x4000 -#define MII_CNTL_RESET 0x8000 - -/* MII Status register bit */ -#define MII_STAT_EXT 0x0001 -#define MII_STAT_JAB 0x0002 -#define MII_STAT_LINK 0x0004 -#define MII_STAT_CAN_AUTO 0x0008 -#define MII_STAT_FAULT 0x0010 -#define MII_STAT_AUTO_DONE 0x0020 -#define MII_STAT_CAN_T 0x0800 -#define MII_STAT_CAN_T_FDX 0x1000 -#define MII_STAT_CAN_TX 0x2000 -#define MII_STAT_CAN_TX_FDX 0x4000 -#define MII_STAT_CAN_T4 0x8000 - - -#define MII_ID1_OUI_LO 0xFC00 /* low bits of OUI mask */ -#define MII_ID1_MODEL 0x03F0 /* model number */ -#define MII_ID1_REV 0x000F /* model number */ - -/* MII NWAY Register Bits ... - valid for the ANAR (Auto-Negotiation Advertisement) and - ANLPAR (Auto-Negotiation Link Partner) registers */ -#define MII_NWAY_NODE_SEL 0x001f -#define MII_NWAY_CSMA_CD 0x0001 -#define MII_NWAY_T 0x0020 -#define MII_NWAY_T_FDX 0x0040 -#define MII_NWAY_TX 0x0080 -#define MII_NWAY_TX_FDX 0x0100 -#define MII_NWAY_T4 0x0200 -#define MII_NWAY_PAUSE 0x0400 -#define MII_NWAY_RF 0x2000 /* Remote Fault */ -#define MII_NWAY_ACK 0x4000 /* Remote Acknowledge */ -#define MII_NWAY_NP 0x8000 /* Next Page (Enable) */ - -/* mii stsout register bits */ -#define MII_STSOUT_LINK_FAIL 0x4000 -#define MII_STSOUT_SPD 0x0080 -#define MII_STSOUT_DPLX 0x0040 - -/* mii stsics register bits */ -#define MII_STSICS_SPD 0x8000 -#define MII_STSICS_DPLX 0x4000 -#define MII_STSICS_LINKSTS 0x0001 - -/* mii stssum register bits */ -#define MII_STSSUM_LINK 0x0008 -#define MII_STSSUM_DPLX 0x0004 -#define MII_STSSUM_AUTO 0x0002 -#define MII_STSSUM_SPD 0x0001 - -/* lsi phy status register */ -#define MII_LSI_PHY_STAT_FDX 0x0040 -#define MII_LSI_PHY_STAT_SPD 0x0080 - -/* amd phy status register */ -#define MII_AMD_PHY_STAT_FDX 0x0800 -#define MII_AMD_PHY_STAT_SPD 0x0400 - -/* intel phy status register */ -#define MII_INTEL_PHY_STAT_FDX 0x0200 -#define MII_INTEL_PHY_STAT_SPD 0x4000 - -/* Auxilliary Control/Status Register */ -#define MII_AUX_FDX 0x0001 -#define MII_AUX_100 0x0002 -#define MII_AUX_F100 0x0004 -#define MII_AUX_ANEG 0x0008 - -typedef struct mii_phy { - struct mii_phy * next; - struct mii_chip_info * chip_info; - u16 status; - u32 *mii_control_reg; - u32 *mii_data_reg; -} mii_phy_t; - -struct phy_ops { - int (*phy_init) (struct net_device *, int); - int (*phy_reset) (struct net_device *, int); - int (*phy_status) (struct net_device *, int, u16 *, u16 *); -}; - /* * Data Buffer Descriptor. Data buffers must be aligned on 32 byte * boundary for both, receive and transmit. @@ -200,7 +86,6 @@ typedef struct mac_reg { struct au1000_private { - db_dest_t *pDBfree; db_dest_t db[NUM_RX_BUFFS+NUM_TX_BUFFS]; volatile rx_dma_t *rx_dma_ring[NUM_RX_DMA]; @@ -213,8 +98,15 @@ struct au1000_private { u32 tx_full; int mac_id; - mii_phy_t *mii; - struct phy_ops *phy_ops; + + int mac_enabled; /* whether MAC is currently enabled and running (req. for mdio) */ + + int old_link; /* used by au1000_adjust_link */ + int old_speed; + int old_duplex; + + struct phy_device *phy_dev; + struct mii_bus mii_bus; /* These variables are just for quick access to certain regs addresses. */ volatile mac_reg_t *mac; /* mac registers */ @@ -223,14 +115,6 @@ struct au1000_private { u32 vaddr; /* virtual address of rx/tx buffers */ dma_addr_t dma_addr; /* dma address of rx/tx buffers */ - u8 *hash_table; - u32 hash_mode; - u32 intr_work_done; /* number of Rx and Tx pkts processed in the isr */ - int phy_addr; /* phy address */ - u32 options; /* User-settable misc. driver options. */ - u32 drv_flags; - int want_autoneg; struct net_device_stats stats; - struct timer_list timer; spinlock_t lock; /* Serialise access to device */ }; diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 54161aef3cac..702d546567ad 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -32,6 +32,7 @@ #include <asm/irq.h> #include <linux/delay.h> #include <asm/byteorder.h> +#include <asm/page.h> #include <linux/time.h> #include <linux/ethtool.h> #include <linux/mii.h> @@ -49,14 +50,15 @@ #include <linux/crc32.h> #include <linux/prefetch.h> #include <linux/cache.h> +#include <linux/zlib.h> #include "bnx2.h" #include "bnx2_fw.h" #define DRV_MODULE_NAME "bnx2" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "1.4.40" -#define DRV_MODULE_RELDATE "May 22, 2006" +#define DRV_MODULE_VERSION "1.4.42" +#define DRV_MODULE_RELDATE "June 12, 2006" #define RUN_AT(x) (jiffies + (x)) @@ -1820,7 +1822,7 @@ reuse_rx: skb->protocol = eth_type_trans(skb, bp->dev); if ((len > (bp->dev->mtu + ETH_HLEN)) && - (htons(skb->protocol) != 0x8100)) { + (ntohs(skb->protocol) != 0x8100)) { dev_kfree_skb_irq(skb); goto next_rx; @@ -2009,7 +2011,7 @@ bnx2_poll(struct net_device *dev, int *budget) return 1; } -/* Called with rtnl_lock from vlan functions and also dev->xmit_lock +/* Called with rtnl_lock from vlan functions and also netif_tx_lock * from set_multicast. */ static void @@ -2083,6 +2085,92 @@ bnx2_set_rx_mode(struct net_device *dev) spin_unlock_bh(&bp->phy_lock); } +#define FW_BUF_SIZE 0x8000 + +static int +bnx2_gunzip_init(struct bnx2 *bp) +{ + if ((bp->gunzip_buf = vmalloc(FW_BUF_SIZE)) == NULL) + goto gunzip_nomem1; + + if ((bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL)) == NULL) + goto gunzip_nomem2; + + bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(), GFP_KERNEL); + if (bp->strm->workspace == NULL) + goto gunzip_nomem3; + + return 0; + +gunzip_nomem3: + kfree(bp->strm); + bp->strm = NULL; + +gunzip_nomem2: + vfree(bp->gunzip_buf); + bp->gunzip_buf = NULL; + +gunzip_nomem1: + printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for " + "uncompression.\n", bp->dev->name); + return -ENOMEM; +} + +static void +bnx2_gunzip_end(struct bnx2 *bp) +{ + kfree(bp->strm->workspace); + + kfree(bp->strm); + bp->strm = NULL; + + if (bp->gunzip_buf) { + vfree(bp->gunzip_buf); + bp->gunzip_buf = NULL; + } +} + +static int +bnx2_gunzip(struct bnx2 *bp, u8 *zbuf, int len, void **outbuf, int *outlen) +{ + int n, rc; + + /* check gzip header */ + if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) + return -EINVAL; + + n = 10; + +#define FNAME 0x8 + if (zbuf[3] & FNAME) + while ((zbuf[n++] != 0) && (n < len)); + + bp->strm->next_in = zbuf + n; + bp->strm->avail_in = len - n; + bp->strm->next_out = bp->gunzip_buf; + bp->strm->avail_out = FW_BUF_SIZE; + + rc = zlib_inflateInit2(bp->strm, -MAX_WBITS); + if (rc != Z_OK) + return rc; + + rc = zlib_inflate(bp->strm, Z_FINISH); + + *outlen = FW_BUF_SIZE - bp->strm->avail_out; + *outbuf = bp->gunzip_buf; + + if ((rc != Z_OK) && (rc != Z_STREAM_END)) + printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n", + bp->dev->name, bp->strm->msg); + + zlib_inflateEnd(bp->strm); + + if (rc == Z_STREAM_END) + return 0; + + return rc; +} + static void load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len, u32 rv2p_proc) @@ -2092,9 +2180,9 @@ load_rv2p_fw(struct bnx2 *bp, u32 *rv2p_code, u32 rv2p_code_len, for (i = 0; i < rv2p_code_len; i += 8) { - REG_WR(bp, BNX2_RV2P_INSTR_HIGH, *rv2p_code); + REG_WR(bp, BNX2_RV2P_INSTR_HIGH, cpu_to_le32(*rv2p_code)); rv2p_code++; - REG_WR(bp, BNX2_RV2P_INSTR_LOW, *rv2p_code); + REG_WR(bp, BNX2_RV2P_INSTR_LOW, cpu_to_le32(*rv2p_code)); rv2p_code++; if (rv2p_proc == RV2P_PROC1) { @@ -2134,7 +2222,7 @@ load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw) int j; for (j = 0; j < (fw->text_len / 4); j++, offset += 4) { - REG_WR_IND(bp, offset, fw->text[j]); + REG_WR_IND(bp, offset, cpu_to_le32(fw->text[j])); } } @@ -2190,15 +2278,32 @@ load_cpu_fw(struct bnx2 *bp, struct cpu_reg *cpu_reg, struct fw_info *fw) REG_WR_IND(bp, cpu_reg->mode, val); } -static void +static int bnx2_init_cpus(struct bnx2 *bp) { struct cpu_reg cpu_reg; struct fw_info fw; + int rc = 0; + void *text; + u32 text_len; + + if ((rc = bnx2_gunzip_init(bp)) != 0) + return rc; /* Initialize the RV2P processor. */ - load_rv2p_fw(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), RV2P_PROC1); - load_rv2p_fw(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), RV2P_PROC2); + rc = bnx2_gunzip(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), &text, + &text_len); + if (rc) + goto init_cpu_err; + + load_rv2p_fw(bp, text, text_len, RV2P_PROC1); + + rc = bnx2_gunzip(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), &text, + &text_len); + if (rc) + goto init_cpu_err; + + load_rv2p_fw(bp, text, text_len, RV2P_PROC2); /* Initialize the RX Processor. */ cpu_reg.mode = BNX2_RXP_CPU_MODE; @@ -2222,7 +2327,13 @@ bnx2_init_cpus(struct bnx2 *bp) fw.text_addr = bnx2_RXP_b06FwTextAddr; fw.text_len = bnx2_RXP_b06FwTextLen; fw.text_index = 0; - fw.text = bnx2_RXP_b06FwText; + + rc = bnx2_gunzip(bp, bnx2_RXP_b06FwText, sizeof(bnx2_RXP_b06FwText), + &text, &text_len); + if (rc) + goto init_cpu_err; + + fw.text = text; fw.data_addr = bnx2_RXP_b06FwDataAddr; fw.data_len = bnx2_RXP_b06FwDataLen; @@ -2268,7 +2379,13 @@ bnx2_init_cpus(struct bnx2 *bp) fw.text_addr = bnx2_TXP_b06FwTextAddr; fw.text_len = bnx2_TXP_b06FwTextLen; fw.text_index = 0; - fw.text = bnx2_TXP_b06FwText; + + rc = bnx2_gunzip(bp, bnx2_TXP_b06FwText, sizeof(bnx2_TXP_b06FwText), + &text, &text_len); + if (rc) + goto init_cpu_err; + + fw.text = text; fw.data_addr = bnx2_TXP_b06FwDataAddr; fw.data_len = bnx2_TXP_b06FwDataLen; @@ -2314,7 +2431,13 @@ bnx2_init_cpus(struct bnx2 *bp) fw.text_addr = bnx2_TPAT_b06FwTextAddr; fw.text_len = bnx2_TPAT_b06FwTextLen; fw.text_index = 0; - fw.text = bnx2_TPAT_b06FwText; + + rc = bnx2_gunzip(bp, bnx2_TPAT_b06FwText, sizeof(bnx2_TPAT_b06FwText), + &text, &text_len); + if (rc) + goto init_cpu_err; + + fw.text = text; fw.data_addr = bnx2_TPAT_b06FwDataAddr; fw.data_len = bnx2_TPAT_b06FwDataLen; @@ -2360,7 +2483,13 @@ bnx2_init_cpus(struct bnx2 *bp) fw.text_addr = bnx2_COM_b06FwTextAddr; fw.text_len = bnx2_COM_b06FwTextLen; fw.text_index = 0; - fw.text = bnx2_COM_b06FwText; + + rc = bnx2_gunzip(bp, bnx2_COM_b06FwText, sizeof(bnx2_COM_b06FwText), + &text, &text_len); + if (rc) + goto init_cpu_err; + + fw.text = text; fw.data_addr = bnx2_COM_b06FwDataAddr; fw.data_len = bnx2_COM_b06FwDataLen; @@ -2384,6 +2513,9 @@ bnx2_init_cpus(struct bnx2 *bp) load_cpu_fw(bp, &cpu_reg, &fw); +init_cpu_err: + bnx2_gunzip_end(bp); + return rc; } static int @@ -3256,7 +3388,9 @@ bnx2_init_chip(struct bnx2 *bp) * context block must have already been enabled. */ bnx2_init_context(bp); - bnx2_init_cpus(bp); + if ((rc = bnx2_init_cpus(bp)) != 0) + return rc; + bnx2_init_nvram(bp); bnx2_set_mac_addr(bp); @@ -3556,7 +3690,9 @@ bnx2_reset_nic(struct bnx2 *bp, u32 reset_code) if (rc) return rc; - bnx2_init_chip(bp); + if ((rc = bnx2_init_chip(bp)) != 0) + return rc; + bnx2_init_tx_ring(bp); bnx2_init_rx_ring(bp); return 0; @@ -4034,6 +4170,8 @@ bnx2_timer(unsigned long data) msg = (u32) ++bp->fw_drv_pulse_wr_seq; REG_WR_IND(bp, bp->shmem_base + BNX2_DRV_PULSE_MB, msg); + bp->stats_blk->stat_FwRxDrop = REG_RD_IND(bp, BNX2_FW_RX_DROP_COUNT); + if ((bp->phy_flags & PHY_SERDES_FLAG) && (CHIP_NUM(bp) == CHIP_NUM_5706)) { @@ -4252,7 +4390,7 @@ bnx2_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid) } #endif -/* Called with dev->xmit_lock. +/* Called with netif_tx_lock. * hard_start_xmit is pseudo-lockless - a lock is only required when * the tx queue is full. This way, we get the benefit of lockless * operations most of the time without the complexities to handle @@ -4310,7 +4448,7 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev) ip_tcp_len = (skb->nh.iph->ihl << 2) + sizeof(struct tcphdr); skb->nh.iph->check = 0; - skb->nh.iph->tot_len = ntohs(mss + ip_tcp_len + tcp_opt_len); + skb->nh.iph->tot_len = htons(mss + ip_tcp_len + tcp_opt_len); skb->h.th->check = ~csum_tcpudp_magic(skb->nh.iph->saddr, skb->nh.iph->daddr, @@ -4504,6 +4642,10 @@ bnx2_get_stats(struct net_device *dev) net_stats->tx_aborted_errors + net_stats->tx_carrier_errors; + net_stats->rx_missed_errors = + (unsigned long) (stats_blk->stat_IfInMBUFDiscards + + stats_blk->stat_FwRxDrop); + return net_stats; } @@ -4986,7 +5128,7 @@ bnx2_set_rx_csum(struct net_device *dev, u32 data) return 0; } -#define BNX2_NUM_STATS 45 +#define BNX2_NUM_STATS 46 static struct { char string[ETH_GSTRING_LEN]; @@ -5036,6 +5178,7 @@ static struct { { "rx_mac_ctrl_frames" }, { "rx_filtered_packets" }, { "rx_discards" }, + { "rx_fw_discards" }, }; #define STATS_OFFSET32(offset_name) (offsetof(struct statistics_block, offset_name) / 4) @@ -5086,6 +5229,7 @@ static const unsigned long bnx2_stats_offset_arr[BNX2_NUM_STATS] = { STATS_OFFSET32(stat_MacControlFramesReceived), STATS_OFFSET32(stat_IfInFramesL2FilterDiscards), STATS_OFFSET32(stat_IfInMBUFDiscards), + STATS_OFFSET32(stat_FwRxDrop), }; /* stat_IfHCInBadOctets and stat_Dot3StatsCarrierSenseErrors are @@ -5096,7 +5240,7 @@ static u8 bnx2_5706_stats_len_arr[BNX2_NUM_STATS] = { 4,0,4,4,4,4,4,4,4,4, 4,4,4,4,4,4,4,4,4,4, 4,4,4,4,4,4,4,4,4,4, - 4,4,4,4,4, + 4,4,4,4,4,4, }; static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = { @@ -5104,7 +5248,7 @@ static u8 bnx2_5708_stats_len_arr[BNX2_NUM_STATS] = { 4,4,4,4,4,4,4,4,4,4, 4,4,4,4,4,4,4,4,4,4, 4,4,4,4,4,4,4,4,4,4, - 4,4,4,4,4, + 4,4,4,4,4,4, }; #define BNX2_NUM_TESTS 6 @@ -5634,7 +5778,9 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) } } - if (CHIP_NUM(bp) == CHIP_NUM_5708) + if ((CHIP_ID(bp) == CHIP_ID_5708_A0) || + (CHIP_ID(bp) == CHIP_ID_5708_B0) || + (CHIP_ID(bp) == CHIP_ID_5708_B1)) bp->flags |= NO_WOL_FLAG; if (CHIP_ID(bp) == CHIP_ID_5706_A0) { diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index b87925f6a228..5845e334941b 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -231,6 +231,7 @@ struct statistics_block { u32 stat_GenStat13; u32 stat_GenStat14; u32 stat_GenStat15; + u32 stat_FwRxDrop; }; @@ -3481,6 +3482,8 @@ struct l2_fhdr { #define BNX2_COM_SCRATCH 0x00120000 +#define BNX2_FW_RX_DROP_COUNT 0x00120084 + /* * cp_reg definition @@ -3747,7 +3750,12 @@ struct l2_fhdr { #define DMA_READ_CHANS 5 #define DMA_WRITE_CHANS 3 -#define BCM_PAGE_BITS 12 +/* Use CPU native page size up to 16K for the ring sizes. */ +#if (PAGE_SHIFT > 14) +#define BCM_PAGE_BITS 14 +#else +#define BCM_PAGE_BITS PAGE_SHIFT +#endif #define BCM_PAGE_SIZE (1 << BCM_PAGE_BITS) #define TX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct tx_bd)) @@ -3770,7 +3778,7 @@ struct l2_fhdr { #define RX_RING_IDX(x) ((x) & bp->rx_max_ring_idx) -#define RX_RING(x) (((x) & ~MAX_RX_DESC_CNT) >> 8) +#define RX_RING(x) (((x) & ~MAX_RX_DESC_CNT) >> (BCM_PAGE_BITS - 4)) #define RX_IDX(x) ((x) & MAX_RX_DESC_CNT) /* Context size. */ @@ -4048,6 +4056,9 @@ struct bnx2 { u32 flash_size; int status_stats_size; + + struct z_stream_s *strm; + void *gunzip_buf; }; static u32 bnx2_reg_rd_ind(struct bnx2 *bp, u32 offset); diff --git a/drivers/net/bnx2_fw.h b/drivers/net/bnx2_fw.h index 8158974c35a8..2d753dca0d75 100644 --- a/drivers/net/bnx2_fw.h +++ b/drivers/net/bnx2_fw.h @@ -7,7 +7,7 @@ * the Free Software Foundation, except as noted below. * * This file contains firmware data derived from proprietary unpublished - * source code, Copyright (c) 2004, 2005 Broadcom Corporation. + * source code, Copyright (c) 2004, 2005, 2006 Broadcom Corporation. * * Permission is hereby granted for the distribution of this firmware data * in hexadecimal or equivalent format, provided this copyright notice is @@ -28,943 +28,641 @@ static const u32 bnx2_COM_b06FwBssAddr = 0x08005860; static const int bnx2_COM_b06FwBssLen = 0x88; static const u32 bnx2_COM_b06FwSbssAddr = 0x08005840; static const int bnx2_COM_b06FwSbssLen = 0x1c; -static u32 bnx2_COM_b06FwText[(0x57bc/4) + 1] = { - 0x0a00022d, 0x00000000, 0x00000000, 0x0000000d, 0x636f6d20, 0x322e352e, - 0x38000000, 0x02050802, 0x00000000, 0x00000003, 0x00000014, 0x00000032, - 0x00000003, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000010, 0x000003e8, 0x0000ea60, 0x00000001, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x0000ffff, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000002, 0x00000020, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 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0x00000000, 0x8f420000, 0x30420020, - 0x1040fffd, 0x00000000, 0x8f430400, 0x24c658c0, 0xacc30010, 0x8f420404, - 0x3c030020, 0xacc20014, 0xaf430030, 0x94c40018, 0x94c3001c, 0x94c2001a, - 0x94c5001e, 0x00832021, 0x24420001, 0xa4c2001a, 0x3042ffff, 0x14450002, - 0xa4c40018, 0xa4c0001a, 0x03e00008, 0x00000000, 0x8f820010, 0x3c030006, - 0x00021140, 0x00431025, 0xaf420030, 0x00000000, 0x00000000, 0x00000000, - 0x27430400, 0x8f420000, 0x30420010, 0x1040fffd, 0x00000000, 0xaf800010, - 0xaf830018, 0x03e00008, 0x00000000, 0x27bdffe8, 0xafb00010, 0x3c100800, - 0x261058c0, 0x3c05000a, 0x02002021, 0x03452821, 0xafbf0014, 0x0e0015b0, - 0x2406000a, 0x96020002, 0x9603001e, 0x3042000f, 0x24420003, 0x00431804, - 0x24027fff, 0x0043102b, 0xaf830014, 0x10400004, 0x00000000, 0x0000000d, - 0x00000000, 0x24000043, 0x0e00155a, 0x00000000, 0x8fbf0014, 0x8fb00010, - 0x03e00008, 0x27bd0018, 0x10c00007, 0x00000000, 0x8ca20000, 0x24c6ffff, - 0x24a50004, 0xac820000, 0x14c0fffb, 0x24840004, 0x03e00008, 0x00000000, - 0x0a0015c1, 0x00a01021, 0xac860000, 0x00000000, 0x00000000, 0x24840004, - 0x00a01021, 0x1440fffa, 0x24a5ffff, 0x03e00008, 0x00000000, 0x3c036000, - 0x8c642b7c, 0x3c036010, 0x8c6553fc, 0x00041582, 0x00042302, 0x308403ff, - 0x00052d82, 0x00441026, 0x0002102b, 0x0005282b, 0x00451025, 0x1440000d, - 0x3c020050, 0x34420004, 0xaf400038, 0xaf40003c, 0xaf420030, 0x00000000, - 0x00000000, 0x8f420000, 0x30420020, 0x1040fffd, 0x3c020020, 0xaf420030, - 0x0000000d, 0x03e00008, 0x00000000, 0x3c020050, 0x34420004, 0xaf440038, - 0xaf45003c, 0xaf420030, 0x00000000, 0x00000000, 0x8f420000, 0x30420020, - 0x1040fffd, 0x3c020020, 0xaf420030, 0x03e00008, 0x00000000, 0x00000000}; +static u8 bnx2_COM_b06FwText[] = { + 0x1f, 0x8b, 0x08, 0x08, 0x09, 0x83, 0x41, 0x44, 0x00, 0x03, 0x74, 0x65, + 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xec, 0x5b, 0x7d, 0x6c, + 0x5b, 0xd7, 0x75, 0x3f, 0xef, 0xf1, 0x51, 0x7a, 0x96, 0x68, 0xf9, 0x99, + 0x7e, 0x96, 0x59, 0x4f, 0xb1, 0x49, 0xf1, 0xc9, 0xd2, 0x62, 0x2d, 0x63, + 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0x37, 0xaa, 0xaf, 0xc4, 0xbf, 0xe3, 0xbb, 0xbf, 0x04, 0x97, 0x59, 0xab, + 0x96, 0x85, 0xed, 0xf8, 0xd2, 0xd8, 0xc2, 0x2a, 0xce, 0x7e, 0x7b, 0xfc, + 0xea, 0xf9, 0xd5, 0x5c, 0x1f, 0x4b, 0xd8, 0x94, 0x4e, 0x76, 0x68, 0x79, + 0x3c, 0xf7, 0x5c, 0x98, 0x86, 0x19, 0x97, 0x38, 0x83, 0x6b, 0x6c, 0x34, + 0x2c, 0xce, 0x38, 0xd9, 0xcd, 0x78, 0xc8, 0x0a, 0x3b, 0xfd, 0xd4, 0x91, + 0x09, 0x9a, 0x2c, 0xa7, 0xf9, 0x53, 0x3f, 0x7e, 0xb5, 0xb9, 0xe3, 0xe1, + 0x48, 0xe3, 0x37, 0x37, 0xff, 0xa8, 0xd5, 0x9d, 0xe6, 0xba, 0x33, 0x5b, + 0xd6, 0x55, 0xe7, 0x12, 0xfd, 0x03, 0x69, 0xae, 0x1b, 0xa3, 0xbc, 0x57, + 0x00, 0x00, 0x00 }; static u32 bnx2_COM_b06FwData[(0x0/4) + 1] = { 0x0 }; static u32 bnx2_COM_b06FwRodata[(0x58/4) + 1] = { @@ -989,952 +687,368 @@ static u32 bnx2_RXP_b06FwBssAddr = 0x08005900; static int bnx2_RXP_b06FwBssLen = 0x13a4; static u32 bnx2_RXP_b06FwSbssAddr = 0x080058e0; static int bnx2_RXP_b06FwSbssLen = 0x1c; -static u32 bnx2_RXP_b06FwText[(0x588c/4) + 1] = { - 0x0a000c61, 0x00000000, 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0x1202000c, 0x32e20001, 0x0a0013c6, 0x00000000, - 0x97a30020, 0x2402000e, 0xafb10028, 0xa3b00022, 0xa3a20023, 0xafb50024, - 0x34630054, 0x0a0013c5, 0xa7a30020, 0x97a20020, 0x93a4001a, 0x24030010, - 0xafb10028, 0xa3b00022, 0xa3a30023, 0xafb50024, 0x3442005d, 0x34840002, - 0xa7a20020, 0x0a0013c5, 0xa3a4001a, 0x97a20020, 0x24030012, 0xa3a30023, - 0x93a3001a, 0xafb10028, 0xa3b00022, 0xafb50024, 0x3042fffe, 0x3442005c, - 0x34630002, 0xa7a20020, 0xa3a3001a, 0x32e20001, 0x10400030, 0x2402000c, - 0x12020013, 0x2a02000d, 0x10400005, 0x2402000a, 0x12020008, 0x97a20020, - 0x0a0013f8, 0x32e20009, 0x2402000e, 0x1202001b, 0x32e20009, 0x0a0013f9, - 0x0002102b, 0x93a4001a, 0x24030008, 0xafb10028, 0xa3b00022, 0xa3a30023, - 0x0a0013f4, 0x34420013, 0x97a30020, 0x30620004, 0x14400005, 0x93a2001a, - 0x3463001b, 0xa7a30020, 0x0a0013e7, 0x24030016, 0x3463001b, 0xa7a30020, - 0x24030010, 0xafb10028, 0xa3b00022, 0xa3a30023, 0x34420002, 0x0a0013f7, - 0xa3a2001a, 0x97a20020, 0x93a4001a, 0x24030010, 0xafb10028, 0xa3b00022, - 0xa3a30023, 0x3442001b, 0x34840002, 0xa7a20020, 0xa3a4001a, 0x32e20009, - 0x0002102b, 0x00021023, 0x30420007, 0x12400015, 0x34450003, 0x8f820018, - 0x24030800, 0x27440180, 0x24420001, 0xaf820018, 0x24020004, 0xaf4301b8, - 0xa4850008, 0xa082000b, 0x93430120, 0x00003021, 0x3c021000, 0xa492000e, - 0xac950024, 0xac930028, 0x007e1821, 0xa483000c, 0xaf4201b8, 0x0a001413, - 0x97a20020, 0x24060001, 0x97a20020, 0x10400020, 0x27450180, 0x3c038000, - 0x8f4201b8, 0x00431024, 0x1440fffd, 0x00000000, 0x8f420128, 0xaca20000, - 0x8fa30028, 0x240240c1, 0xa4a20008, 0xaca30018, 0x93a4001a, 0x24020002, - 0xa0a2000b, 0xa0a4000a, 0x97a20020, 0xa4a20010, 0x93a30022, 0xa0a30012, - 0x93a20023, 0xa0a20013, 0x8fa30024, 0xaca30014, 0x8fa20034, 0xaca20024, - 0x8fa30038, 0xaca30028, 0x8fa2003c, 0x3c031000, 0xaca2002c, 0xaf4301b8, - 0x00c01021, 0x8fbf006c, 0x8fbe0068, 0x8fb70064, 0x8fb60060, 0x8fb5005c, - 0x8fb40058, 0x8fb30054, 0x8fb20050, 0x8fb1004c, 0x8fb00048, 0x03e00008, - 0x27bd0070, 0x8f470140, 0x8f460148, 0x3c028000, 0x00c24024, 0x00062c02, - 0x30a300ff, 0x24020019, 0x106200e7, 0x27440180, 0x2862001a, 0x1040001f, - 0x24020008, 0x106200be, 0x28620009, 0x1040000d, 0x24020001, 0x10620046, - 0x28620002, 0x50400005, 0x24020006, 0x1060002e, 0x00a01821, 0x0a00155e, - 0x00000000, 0x1062005b, 0x00a01821, 0x0a00155e, 0x00000000, 0x2402000b, - 0x10620084, 0x2862000c, 0x10400005, 0x24020009, 0x106200bc, 0x00061c02, - 0x0a00155e, 0x00000000, 0x2402000e, 0x106200b7, 0x00061c02, 0x0a00155e, - 0x00000000, 0x28620021, 0x10400009, 0x2862001f, 0x104000c1, 0x2402001b, - 0x106200bf, 0x2402001c, 0x1062009a, 0x00061c02, 0x0a00155e, 0x00000000, - 0x240200c2, 0x106200ca, 0x286200c3, 0x10400005, 0x24020080, 0x1062005a, - 0x00a01821, 0x0a00155e, 0x00000000, 0x240200c9, 0x106200cd, 0x30c5ffff, - 0x0a00155e, 0x00000000, 0x3c058000, 0x8f4201b8, 0x00451024, 0x1440fffd, - 0x24020001, 0xa4830008, 0x24030002, 0xac870000, 0xac800004, 0xa082000a, - 0xa083000b, 0xa4860010, 0x8f430144, 0x3c021000, 0xac800028, 0xac830024, - 0x3c036000, 0xaf4201b8, 0x03e00008, 0xac600808, 0x11000009, 0x00a01821, - 0x3c020800, 0x24030002, 0xa0436c88, 0x24426c88, 0xac470008, 0x8f430144, - 0x03e00008, 0xac430004, 0x3c058000, 0x8f4201b8, 0x00451024, 0x1440fffd, - 0x24020002, 0xac800000, 0xac870004, 0xa4830008, 0xa082000a, 0xa082000b, - 0xa4860010, 0xac800024, 0x8f420144, 0x3c031000, 0xac820028, 0x3c026000, - 0xaf4301b8, 0x03e00008, 0xac400808, 0x3c080800, 0x3c058000, 0x8f4201b8, - 0x00451024, 0x1440fffd, 0x00000000, 0xac870000, 0x91026c88, 0x00002821, - 0x10400002, 0x25076c88, 0x8ce50008, 0xac850004, 0xa4830008, 0x91036c88, - 0x24020002, 0xa082000b, 0xa4860010, 0x34630001, 0xa083000a, 0x8f420144, - 0xac820024, 0x91036c88, 0x10600002, 0x00001021, 0x8ce20004, 0xac820028, - 0x3c021000, 0xaf4201b8, 0x3c026000, 0xa1006c88, 0x03e00008, 0xac400808, - 0x3c058000, 0x8f4201b8, 0x00451024, 0x1440fffd, 0x24020002, 0xa082000b, - 0xa4830008, 0xa4860010, 0x8f420144, 0x3c031000, 0xa4820012, 0x03e00008, - 0xaf4301b8, 0x30c2ffff, 0x14400028, 0x00061c02, 0x93620005, 0x30420004, - 0x14400020, 0x3c029000, 0x34420001, 0x00e21025, 0xaf420020, 0x3c038000, - 0x8f420020, 0x00431024, 0x1440fffd, 0x00000000, 0x93620005, 0x3c038000, - 0x34630001, 0x00e31825, 0x34420004, 0xa3620005, 0xaf430020, 0x93620005, - 0x30420004, 0x14400003, 0x3c038000, 0x0000000d, 0x3c038000, 0x8f4201b8, - 0x00431024, 0x1440fffd, 0x24020005, 0x3c031000, 0xac870000, 0xa082000b, - 0xaf4301b8, 0x0a00150d, 0x00061c02, 0x0000000d, 0x03e00008, 0x00000000, - 0x00061c02, 0x3c058000, 0x8f4201b8, 0x00451024, 0x1440fffd, 0x24020001, - 0xa4830008, 0x24030002, 0xac870000, 0xac800004, 0xa082000a, 0xa083000b, - 0xa4860010, 0x8f430144, 0x3c021000, 0xac800028, 0xac830024, 0x03e00008, - 0xaf4201b8, 0x3c058000, 0x8f4201b8, 0x00451024, 0x1440fffd, 0x24020002, - 0xac800000, 0xac870004, 0xa4830008, 0xa082000a, 0xa082000b, 0xa4860010, - 0xac800024, 0x8f420144, 0x3c031000, 0xac820028, 0x03e00008, 0xaf4301b8, - 0x00061c02, 0x3c058000, 0x8f4201b8, 0x00451024, 0x1440fffd, 0x24020001, - 0xa4830008, 0x24030002, 0xa082000a, 0x3c021000, 0xac870000, 0xac800004, - 0xa083000b, 0xa4860010, 0xac800024, 0xac800028, 0x03e00008, 0xaf4201b8, - 0x00a01821, 0x3c058000, 0x8f4201b8, 0x00451024, 0x1440fffd, 0x24020002, - 0xac870000, 0xac800004, 0xa4830008, 0xa080000a, 0x0a001518, 0xa082000b, - 0x8f440144, 0x3c038000, 0x8f4201b8, 0x00431024, 0x1440fffd, 0x24020002, - 0x240340c9, 0xaf470180, 0xa342018b, 0x3c021000, 0xa7430188, 0xaf4401a4, - 0xaf4501a8, 0xaf4001ac, 0x03e00008, 0xaf4201b8, 0x0000000d, 0x03e00008, - 0x00000000, 0x03e00008, 0x00000000, 0x8f420100, 0x3042003e, 0x14400011, - 0x24020001, 0xaf400048, 0x8f420100, 0x304207c0, 0x10400005, 0x00000000, - 0xaf40004c, 0xaf400050, 0x03e00008, 0x24020001, 0xaf400054, 0xaf400040, - 0x8f420100, 0x30423800, 0x54400001, 0xaf400044, 0x24020001, 0x03e00008, - 0x00000000, 0x3c038000, 0x8f4201b8, 0x00431024, 0x1440fffd, 0x24020002, - 0x240340c9, 0xaf440180, 0xa342018b, 0x3c021000, 0xa7430188, 0xaf4501a4, - 0xaf4601a8, 0xaf4701ac, 0x03e00008, 0xaf4201b8, 0x3c029000, 0x34420001, - 0x00822025, 0xaf440020, 0x3c038000, 0x8f420020, 0x00431024, 0x1440fffd, - 0x00000000, 0x03e00008, 0x00000000, 0x3c028000, 0x34420001, 0x00822025, - 0x03e00008, 0xaf440020, 0x308600ff, 0x27450180, 0x3c038000, 0x8f4201b8, - 0x00431024, 0x1440fffd, 0x00000000, 0x8f420128, 0xaca20000, 0x8f640040, - 0x24030008, 0x240240c1, 0xa4a20008, 0x24020002, 0xa0a2000b, 0x3c021000, - 0xa0a6000a, 0xa4a30010, 0xa0a00012, 0xa0a00013, 0xaca00014, 0xaca00024, - 0xaca00028, 0xaca0002c, 0xaca40018, 0x03e00008, 0xaf4201b8, 0x24020001, - 0xacc40000, 0x03e00008, 0xa4e50000, 0x24020001, 0xaf400044, 0x03e00008, - 0xaf400050, 0x00803021, 0x27450180, 0x3c038000, 0x8f4201b8, 0x00431024, - 0x1440fffd, 0x00000000, 0x8f420128, 0xaca20000, 0x8cc30018, 0x240240c1, - 0xa4a20008, 0xaca30018, 0x90c4000a, 0x24020002, 0xa0a2000b, 0xa0a4000a, - 0x94c20010, 0xa4a20010, 0x90c30012, 0xa0a30012, 0x90c20013, 0xa0a20013, - 0x8cc30014, 0xaca30014, 0x8cc20024, 0xaca20024, 0x8cc30028, 0xaca30028, - 0x8cc2002c, 0x3c031000, 0xaca2002c, 0x24020001, 0xaf4301b8, 0xaf400044, - 0x03e00008, 0xaf400050, 0x27bdffe8, 0xafbf0010, 0x0e001047, 0x00000000, - 0x00002021, 0x0e000c78, 0xaf400180, 0x8fbf0010, 0x03e00008, 0x27bd0018, - 0x8f460148, 0x27450180, 0x3c038000, 0x00061402, 0x304700ff, 0x8f4201b8, - 0x00431024, 0x1440fffd, 0x00000000, 0x8f440140, 0x00061202, 0x304200ff, - 0x00061c02, 0xaca20004, 0x24020002, 0xa4a30008, 0x30c300ff, 0xa0a2000b, - 0xaca30024, 0x10e0000a, 0xaca40000, 0x28e20004, 0x14400005, 0x24020001, - 0x24020005, 0x54e20005, 0xa0a0000a, 0x24020001, 0x0a001609, 0xa0a2000a, - 0xa0a0000a, 0x3c021000, 0x03e00008, 0xaf4201b8, 0x03e00008, 0x00001021, - 0x10c00007, 0x00000000, 0x8ca20000, 0x24c6ffff, 0x24a50004, 0xac820000, - 0x14c0fffb, 0x24840004, 0x03e00008, 0x00000000, 0x0a00161f, 0x00a01021, - 0xac860000, 0x00000000, 0x00000000, 0x24840004, 0x00a01021, 0x1440fffa, - 0x24a5ffff, 0x03e00008, 0x00000000, 0x00000000 }; +static u8 bnx2_RXP_b06FwText[] = { + 0x1f, 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0x91, 0x87, 0x78, 0x49, 0x27, 0xd0, 0x5b, 0xc0, 0x7f, 0x12, 0xf5, + 0x7b, 0x54, 0xab, 0xfb, 0xfe, 0x8a, 0x93, 0x43, 0x5c, 0xe0, 0x3e, 0xb6, + 0xa8, 0x3c, 0xd7, 0x73, 0x32, 0xbc, 0xef, 0x9b, 0xe3, 0xdf, 0x39, 0x78, + 0xf9, 0x01, 0xd4, 0x4d, 0xbc, 0x1b, 0xa4, 0x7f, 0xe1, 0xf7, 0x36, 0xff, + 0xe2, 0x7c, 0xf6, 0x93, 0xe7, 0x81, 0xf4, 0x55, 0xf0, 0xe7, 0xe5, 0xd1, + 0x87, 0x58, 0x51, 0x6c, 0x44, 0xb8, 0x78, 0xc7, 0xce, 0x39, 0x2a, 0xff, + 0x6e, 0xf2, 0xd1, 0x96, 0xf0, 0xdc, 0xa5, 0x8e, 0xc8, 0x27, 0xf9, 0xe9, + 0x84, 0x4d, 0x90, 0x17, 0xce, 0x8f, 0xee, 0x25, 0xd8, 0xfe, 0xb8, 0x36, + 0x12, 0xdd, 0xa9, 0x7d, 0x9c, 0x3d, 0x8f, 0x74, 0x76, 0x37, 0x7e, 0x88, + 0x83, 0xb4, 0x23, 0xbe, 0x22, 0x9e, 0x88, 0x8f, 0xfc, 0x44, 0xbc, 0x28, + 0x1b, 0x5d, 0x97, 0x9f, 0x60, 0x5d, 0xc0, 0x4f, 0x69, 0x21, 0x0d, 0x9d, + 0x90, 0xa7, 0x11, 0x6d, 0xa4, 0xba, 0xde, 0x1d, 0xc7, 0x0f, 0x5c, 0xc6, + 0xd5, 0xb1, 0x06, 0xef, 0xa1, 0x48, 0x97, 0x7f, 0x3b, 0xb2, 0xa4, 0x8d, + 0x34, 0xf8, 0x9d, 0xa9, 0xae, 0xb9, 0x8d, 0x88, 0xde, 0x5a, 0x9d, 0x46, + 0xbf, 0xbc, 0x2b, 0xff, 0x0c, 0xf6, 0xa9, 0x3b, 0xf8, 0xbb, 0x14, 0x55, + 0x47, 0xb1, 0x6f, 0xb9, 0xd5, 0x73, 0xa2, 0xbf, 0xd3, 0xd9, 0x1f, 0xe6, + 0x43, 0x51, 0x6d, 0x1c, 0xd5, 0x59, 0xea, 0x9e, 0x7d, 0xaf, 0xe7, 0x68, + 0xc8, 0x4f, 0x99, 0x33, 0x05, 0x3a, 0x08, 0xf1, 0xde, 0x91, 0xcf, 0x91, + 0x26, 0x3e, 0x47, 0xc1, 0xe7, 0x3e, 0xf0, 0x39, 0x76, 0x8b, 0xcf, 0x5b, + 0xb6, 0x97, 0x29, 0xc3, 0xf6, 0x46, 0xd6, 0xb5, 0xbd, 0x55, 0x3a, 0xab, + 0x73, 0x83, 0xfb, 0x9a, 0x91, 0x86, 0x2f, 0xc7, 0x9d, 0x8f, 0x53, 0x37, + 0xb7, 0xcb, 0x99, 0x85, 0xbb, 0xd5, 0xb7, 0x11, 0xaf, 0x2a, 0x77, 0x94, + 0x4b, 0xf5, 0x80, 0x9f, 0x1f, 0x2f, 0xb1, 0x3d, 0x12, 0xea, 0x8a, 0x3a, + 0xcb, 0x3a, 0x25, 0xb9, 0x1b, 0x2f, 0xbf, 0xf8, 0x9c, 0x76, 0xa5, 0x12, + 0x9d, 0x4f, 0x5a, 0x78, 0xc6, 0xae, 0xe5, 0x29, 0xfa, 0x6e, 0x32, 0x66, + 0x45, 0xf7, 0x67, 0x22, 0xfc, 0xfe, 0xc0, 0xef, 0x75, 0x6b, 0xbf, 0x13, + 0xf0, 0x7c, 0x8a, 0x78, 0xd7, 0x53, 0x3c, 0x9f, 0xc6, 0x9c, 0x66, 0x19, + 0x5c, 0xd8, 0xa4, 0x9e, 0xe4, 0x98, 0xe7, 0xd0, 0x2f, 0x4c, 0xd0, 0x0c, + 0xee, 0xdd, 0x6a, 0x4b, 0xbe, 0x5c, 0x74, 0x36, 0x06, 0xe7, 0x28, 0x64, + 0xba, 0x6c, 0xf1, 0xfe, 0x0a, 0x31, 0x8c, 0x67, 0x83, 0xb2, 0xb5, 0x16, + 0xf5, 0x5c, 0x39, 0xd0, 0x0e, 0x1d, 0xb3, 0xdd, 0xd6, 0xcb, 0xfb, 0x0a, + 0xca, 0xbc, 0xa0, 0xf6, 0x21, 0xd2, 0x71, 0xf4, 0x7d, 0xae, 0x55, 0x96, + 0xc3, 0xbb, 0xad, 0xc5, 0x8a, 0xef, 0xbf, 0x83, 0x3c, 0xfc, 0x34, 0x74, + 0x5f, 0xae, 0xff, 0xcc, 0x5f, 0x4e, 0xf1, 0x6f, 0xa5, 0x22, 0x9b, 0xd8, + 0xd1, 0xcb, 0x7b, 0x20, 0xf8, 0x96, 0x1c, 0xaf, 0x87, 0x65, 0xbf, 0x70, + 0x9c, 0x7d, 0xff, 0x0d, 0xbe, 0x7d, 0xff, 0xf4, 0xaa, 0x9d, 0x02, 0xfe, + 0x17, 0x33, 0xe1, 0x9b, 0xdd, 0x90, 0x58, 0x00, 0x00, 0x00 }; static u32 bnx2_RXP_b06FwData[(0x0/4) + 1] = { 0x0 }; static u32 bnx2_RXP_b06FwRodata[(0x28/4) + 1] = { @@ -1943,387 +1057,264 @@ static u32 bnx2_RXP_b06FwRodata[(0x28/4) + 1] = { static u32 bnx2_RXP_b06FwBss[(0x13a4/4) + 1] = { 0x0 }; static u32 bnx2_RXP_b06FwSbss[(0x1c/4) + 1] = { 0x0 }; -static u32 bnx2_rv2p_proc1[] = { - 0x00000008, 0xac000001, 0x0000000c, 0x2f800001, 0x00000010, 0x213f0004, - 0x00000010, 0x20bf002c, 0x00000010, 0x203f0143, 0x00000018, 0x8000fffd, - 0x00000010, 0xb1b8b017, 0x0000000b, 0x2fdf0002, 0x00000000, 0x03d80000, - 0x00000000, 0x2c380000, 0x00000008, 0x2c800000, 0x00000008, 0x2d000000, - 0x00000010, 0x91d40000, 0x00000008, 0x2d800108, 0x00000008, 0x02000002, - 0x00000010, 0x91de0000, 0x0000000f, 0x42e0001c, 0x00000010, 0x91840a08, - 0x00000008, 0x2c8000b0, 0x00000008, 0x2d000008, 0x00000008, 0x2d800150, - 0x00000000, 0x00000000, 0x00000010, 0x91de0000, 0x00000010, 0x2c620002, - 0x00000018, 0x80000012, 0x0000000b, 0x2fdf0002, 0x0000000c, 0x1f800002, - 0x00000000, 0x2c070000, 0x00000018, 0x8000ffe6, 0x00000008, 0x02000002, - 0x0000000f, 0x42e0001c, 0x00000010, 0x91840a08, 0x00000008, 0x2c8000b0, - 0x00000008, 0x2d000008, 0x00000010, 0x91d40000, 0x00000008, 0x2d800108, - 0x00000000, 0x00000000, 0x00000010, 0x91de0000, 0x00000018, 0x80000004, - 0x0000000c, 0x1f800002, 0x00000000, 0x00000000, 0x00000018, 0x8000ffd9, - 0x0000000c, 0x29800002, 0x0000000c, 0x1f800002, 0x00000000, 0x2adf0000, - 0x00000008, 0x2a000005, 0x00000018, 0x8000ffd4, 0x00000008, 0x02240030, - 0x00000018, 0x00040000, 0x00000018, 0x80000015, 0x00000018, 0x80000017, - 0x00000018, 0x8000001b, 0x00000018, 0x8000004c, 0x00000018, 0x8000008c, - 0x00000018, 0x8000000f, 0x00000018, 0x8000000e, 0x00000018, 0x8000000d, - 0x00000018, 0x8000000c, 0x00000018, 0x800000c2, 0x00000018, 0x8000000a, - 0x00000018, 0x80000009, 0x00000018, 0x80000008, 0x00000018, 0x800000fd, - 0x00000018, 0x80000006, 0x00000018, 0x80000005, 0x00000018, 0x800000ff, - 0x00000018, 0x80000104, 0x00000018, 0x80000002, 0x00000018, 0x80000098, - 0x00000018, 0x80000000, 0x0000000c, 0x1f800001, 0x00000000, 0x00000000, - 0x00000018, 0x8000ffba, 0x00000010, 0x91d40000, 0x0000000c, 0x29800001, - 0x0000000c, 0x1f800001, 0x00000008, 0x2a000002, 0x00000018, 0x8000ffb5, - 0x00000010, 0xb1a0b012, 0x0000000b, 0x2fdf0002, 0x00000000, 0x2c200000, - 0x00000008, 0x2c800000, 0x00000008, 0x2d000000, 0x00000010, 0x91d40000, - 0x00000008, 0x2d80011c, 0x00000000, 0x00000000, 0x00000010, 0x91de0000, - 0x0000000f, 0x47600008, 0x0000000f, 0x060e0001, 0x00000010, 0x001f0000, - 0x00000000, 0x0f580000, 0x00000000, 0x0a640000, 0x00000000, 0x0ae50000, - 0x00000000, 0x0b660000, 0x00000000, 0x0d610000, 0x00000018, 0x80000013, - 0x0000000f, 0x47600008, 0x0000000b, 0x2fdf0002, 0x00000008, 0x2c800000, - 0x00000008, 0x2d000000, 0x00000010, 0x91d40000, 0x00000008, 0x2d80011c, - 0x0000000f, 0x060e0001, 0x00000010, 0x001f0000, 0x00000000, 0x0f580000, - 0x00000010, 0x91de0000, 0x00000000, 0x0a640000, 0x00000000, 0x0ae50000, - 0x00000000, 0x0b660000, 0x00000000, 0x0d610000, 0x00000000, 0x02620000, - 0x0000000b, 0x2fdf0002, 0x00000000, 0x309a0000, 0x00000000, 0x31040000, - 0x00000000, 0x0c961800, 0x00000009, 0x0c99ffff, 0x00000004, 0xcc993400, - 0x00000010, 0xb1963202, 0x00000008, 0x0f800000, 0x0000000c, 0x29800001, - 0x00000010, 0x00220002, 0x0000000c, 0x29520001, 0x0000000c, 0x29520000, - 0x00000008, 0x22000001, 0x0000000c, 0x1f800001, 0x00000000, 0x2adf0000, - 0x00000008, 0x2a000003, 0x00000018, 0x8000ff83, 0x00000010, 0xb1a0b01d, - 0x0000000b, 0x2fdf0002, 0x00000000, 0x2c200000, 0x00000008, 0x2c8000b0, - 0x00000008, 0x2d000008, 0x00000010, 0x91d40000, 0x00000008, 0x2d800150, - 0x00000000, 0x00000000, 0x00000010, 0x205f0000, 0x00000008, 0x2c800000, - 0x00000008, 0x2d000000, 0x00000008, 0x2d800108, 0x00000000, 0x00000000, - 0x00000010, 0x91de0000, 0x0000000f, 0x47600008, 0x00000000, 0x060e0000, - 0x00000010, 0x001f0000, 0x00000000, 0x0f580000, 0x00000010, 0x91de0000, - 0x00000000, 0x0a640000, 0x00000000, 0x0ae50000, 0x00000000, 0x0b670000, - 0x00000000, 0x0d620000, 0x00000000, 0x0ce71800, 0x00000009, 0x0c99ffff, - 0x00000004, 0xcc993400, 0x00000010, 0xb1963220, 0x00000008, 0x0f800000, - 0x00000018, 0x8000001e, 0x0000000f, 0x47600008, 0x0000000b, 0x2fdf0002, - 0x00000008, 0x2c8000b0, 0x00000008, 0x2d000008, 0x00000010, 0x91d40000, - 0x00000008, 0x2d80012c, 0x0000000f, 0x060e0001, 0x00000010, 0x001f0000, - 0x00000000, 0x0f580000, 0x00000010, 0x91de0000, 0x00000000, 0x0a640000, - 0x00000000, 0x0ae50000, 0x00000000, 0x0b670000, 0x00000000, 0x0d620000, - 0x00000000, 0x02630000, 0x0000000f, 0x47620010, 0x00000000, 0x0ce71800, - 0x0000000b, 0x2fdf0002, 0x00000000, 0x311a0000, 0x00000000, 0x31840000, - 0x0000000b, 0xc20000ff, 0x00000002, 0x42040000, 0x00000001, 0x31620800, - 0x0000000f, 0x020e0010, 0x00000002, 0x31620800, 0x00000009, 0x0c99ffff, - 0x00000004, 0xcc993400, 0x00000010, 0xb1963202, 0x00000008, 0x0f800000, - 0x0000000c, 0x29800001, 0x0000000c, 0x1f800001, 0x0000000c, 0x61420006, - 0x00000008, 0x22000008, 0x00000000, 0x2adf0000, 0x00000008, 0x2a000004, - 0x00000018, 0x8000ff42, 0x00000008, 0x2c8000b0, 0x00000008, 0x2d000008, - 0x00000010, 0x91a0b008, 0x00000010, 0x91d40000, 0x0000000c, 0x31620018, - 0x00000008, 0x2d800001, 0x00000000, 0x00000000, 0x00000010, 0x91de0000, - 0x00000008, 0xac000001, 0x00000018, 0x8000000e, 0x00000000, 0x0380b000, - 0x0000000b, 0x2fdf0002, 0x00000000, 0x2c004000, 0x00000010, 0x91d40000, - 0x00000008, 0x2d800101, 0x00000000, 0x00000000, 0x00000010, 0x91de0000, - 0x0000000c, 0x31620018, 0x00000008, 0x2d800001, 0x00000000, 0x00000000, - 0x00000010, 0x91de0000, 0x0000000b, 0x2fdf0002, 0x00000000, 0x2c000e00, - 0x0000000c, 0x29800001, 0x0000000c, 0x1f800001, 0x00000008, 0x2a000007, - 0x00000018, 0x8000ff27, 0x00000010, 0xb1a0b016, 0x0000000b, 0x2fdf0002, - 0x00000000, 0x03d80000, 0x00000000, 0x2c200000, 0x00000008, 0x2c8000b0, - 0x00000008, 0x2d000008, 0x00000010, 0x91d40000, 0x00000008, 0x2d800150, - 0x00000000, 0x00000000, 0x00000010, 0x205f0000, 0x00000008, 0x2c800000, - 0x00000008, 0x2d000000, 0x00000008, 0x2d800108, 0x00000008, 0x07000001, - 0x00000010, 0xb5de1c00, 0x00000010, 0x2c620002, 0x00000018, 0x8000000a, - 0x0000000b, 0x2fdf0002, 0x00000000, 0x2c070000, 0x0000000c, 0x1f800001, - 0x00000010, 0x91de0000, 0x00000018, 0x8000ff11, 0x00000008, 0x2c8000b0, - 0x00000008, 0x2d000008, 0x00000010, 0x91d40000, 0x00000008, 0x2d800108, - 0x0000000c, 0x29800001, 0x0000000c, 0x1f800001, 0x00000010, 0x91de0000, - 0x00000000, 0x2adf0000, 0x00000008, 0x2a00000a, 0x00000018, 0x8000ff07, - 0x00000000, 0x82265600, 0x0000000f, 0x47220008, 0x00000009, 0x070e000f, - 0x00000008, 0x070e0008, 0x00000008, 0x02800001, 0x00000007, 0x02851c00, - 0x00000008, 0x82850001, 0x00000000, 0x02840a00, 0x00000007, 0x42851c00, - 0x00000003, 0xc3aa5200, 0x00000000, 0x03b10e00, 0x00000010, 0x001f0000, - 0x0000000f, 0x0f280007, 0x00000007, 0x4b071c00, 0x00000000, 0x00000000, - 0x0000000f, 0x0a960003, 0x00000000, 0x0a955c00, 0x00000000, 0x4a005a00, - 0x00000000, 0x0c960a00, 0x00000009, 0x0c99ffff, 0x00000008, 0x0d00ffff, - 0x00000010, 0xb1963202, 0x00000008, 0x0f800005, 0x00000010, 0x00220020, - 0x00000000, 0x02a70000, 0x00000010, 0xb1850002, 0x00000008, 0x82850200, - 0x00000000, 0x02000000, 0x00000000, 0x03a60000, 0x00000018, 0x8000004e, - 0x00000000, 0x072b0000, 0x00000001, 0x878c1c00, 0x00000000, 0x870e1e00, - 0x00000000, 0x860c1e00, 0x00000000, 0x03061e00, 0x00000010, 0xb18e0003, - 0x00000018, 0x80000047, 0x00000018, 0x8000fffa, 0x00000010, 0x918c0003, - 0x00000010, 0xb1870002, 0x00000018, 0x80000043, 0x00000010, 0x91d40000, - 0x0000000c, 0x29800001, 0x00000000, 0x2a860000, 0x00000000, 0x230c0000, - 0x00000000, 0x2b070000, 0x00000010, 0xb187000e, 0x00000008, 0x2a000008, - 0x00000018, 0x8000003b, 0x00000010, 0x91d40000, 0x00000000, 0x28d18c00, - 0x00000000, 0x2a860000, 0x00000000, 0x230c0000, 0x00000000, 0x2b070000, - 0x00000018, 0x8000fff8, 0x00000010, 0x91d40000, 0x0000000c, 0x29800001, - 0x00000000, 0x2aab0000, 0x00000000, 0xa3265600, 0x00000000, 0x2b000000, - 0x0000000c, 0x1f800001, 0x00000008, 0x2a000008, 0x00000018, 0x8000fec8, - 0x00000010, 0x91d40000, 0x0000000c, 0x29800001, 0x0000000c, 0x1f800001, - 0x00000008, 0x2a000009, 0x00000018, 0x8000fec3, 0x00000010, 0x91d40000, - 0x0000000c, 0x29800001, 0x0000000c, 0x1f800001, 0x00000000, 0x29420000, - 0x00000008, 0x2a000002, 0x00000018, 0x8000febd, 0x00000018, 0x8000febc, - 0x00000010, 0xb1bcb016, 0x0000000b, 0x2fdf0002, 0x00000000, 0x03d80000, - 0x00000000, 0x2c3c0000, 0x00000008, 0x2c8000b0, 0x00000008, 0x2d000008, - 0x00000010, 0x91d40000, 0x00000008, 0x2d800150, 0x00000000, 0x00000000, - 0x00000010, 0x205f0000, 0x00000008, 0x2c800000, 0x00000008, 0x2d000000, - 0x00000008, 0x2d800108, 0x00000008, 0x07000001, 0x00000010, 0xb5de1c00, - 0x00000010, 0x2c620002, 0x00000018, 0x8000000a, 0x0000000b, 0x2fdf0002, - 0x00000000, 0x2c070000, 0x0000000c, 0x1f800000, 0x00000010, 0x91de0000, - 0x00000018, 0x8000fea6, 0x00000008, 0x2c8000b0, 0x00000008, 0x2d000008, - 0x00000010, 0x91d40000, 0x00000008, 0x2d800108, 0x0000000c, 0x29800000, - 0x0000000c, 0x1f800000, 0x00000010, 0x91de0000, 0x00000000, 0x2adf0000, - 0x00000008, 0x2a000006, 0x00000018, 0x8000fe9c, 0x00000008, 0x03050004, - 0x00000006, 0x83040c00, 0x00000008, 0x02850200, 0x00000000, 0x86050c00, - 0x00000001, 0x860c0e00, 0x00000008, 0x02040004, 0x00000000, 0x02041800, - 0x00000000, 0x83871800, 0x00000018, 0x00020000 }; +static u8 bnx2_rv2p_proc1[] = { + 0x1f, 0x8b, 0x08, 0x08, 0x5e, 0xd0, 0x41, 0x44, 0x00, 0x03, 0x74, 0x65, + 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xc5, 0x56, 0xcf, 0x6b, + 0x13, 0x51, 0x10, 0x9e, 0xec, 0x6e, 0xb2, 0xdb, 0x74, 0xbb, 0x1b, 0x2b, + 0xda, 0xa0, 0xb1, 0x8d, 0x51, 0x6a, 0x7f, 0xa4, 0xb4, 0x11, 0x0f, 0x82, + 0x42, 0x25, 0x3d, 0x04, 0x54, 0x44, 0x7a, 0x28, 0x22, 0x82, 0x36, 0x8a, + 0xfe, 0x1b, 0xa1, 0x3f, 0xd2, 0x4b, 0x10, 0x7a, 0xb0, 0x58, 0xf1, 0x50, + 0x10, 0x2a, 0x68, 0x0f, 0xc9, 0xa1, 0x20, 0x52, 0x11, 0xda, 0x8b, 0x07, + 0x2f, 0x42, 0x0f, 0x7a, 0x69, 0xbd, 0xa8, 0xff, 0x82, 0x08, 0x4d, 0x7c, + 0x6f, 0x66, 0x9e, 0xee, 0x6e, 0xb2, 0x4d, 0x15, 0xc1, 0x85, 0xf6, 0xe3, + 0xbd, 0x9d, 0x79, 0x33, 0xf3, 0xcd, 0x37, 0xfb, 0x62, 0x01, 0x40, 0x04, + 0x60, 0xcd, 0x46, 0x2c, 0x8d, 0x26, 0x04, 0x1a, 0x30, 0x7e, 0x52, 0x62, + 0x16, 0xde, 0xa6, 0x25, 0x4e, 0x44, 0xc6, 0xd3, 0x49, 0x81, 0x7b, 0x0d, + 0x28, 0xc9, 0x75, 0x4f, 0xf5, 0x55, 0xad, 0x53, 0xa0, 0x06, 0xbb, 0xa3, + 0x80, 0xcf, 0x47, 0x9d, 0xf0, 0x7c, 0xd6, 0x42, 0x2c, 0x31, 0xc2, 0x48, + 0x02, 0x61, 0x7b, 0x51, 0xae, 0xad, 0x48, 0x69, 0xc4, 0x42, 0x3f, 0xd0, + 0x68, 0x7f, 0x67, 0xd1, 0x15, 0xff, 0x53, 0xf0, 0x39, 0x2f, 0xd7, 0x56, + 0x7c, 0x0e, 0xed, 0xaa, 0xec, 0x2f, 0xfe, 0xd0, 0xfe, 0xba, 0xf0, 0x03, + 0x7e, 0x94, 0x5f, 0x02, 0xcf, 0x29, 0x66, 0x65, 0x5e, 0xdd, 0x22, 0xa0, + 0xca, 0xc7, 0x46, 0x2c, 0xf5, 0x91, 0xb5, 0x89, 0xef, 0xbf, 0x8a, 0xbc, + 0x55, 0xdc, 0x76, 0xf1, 0x82, 0xf9, 0x06, 0xe3, 0x26, 0x91, 0x1f, 0x28, + 0xf9, 0xe3, 0x00, 0xc8, 0xfd, 0x4f, 0x8d, 0x5f, 0xfb, 0x83, 0xfe, 0xf7, + 0xbb, 0x43, 0xf2, 0xbc, 0x28, 0xc0, 0x90, 0xb4, 0xdb, 0xe6, 0x7c, 0xc6, + 0xe0, 0xb4, 0x96, 0xc4, 0xf7, 0x06, 0xfa, 0x1f, 0x11, 0xe7, 0x4a, 0xec, + 0x61, 0x3c, 0xce, 0x78, 0x95, 0xb1, 0xc2, 0xe8, 0x32, 0x3a, 0x8c, 0x5d, + 0x8c, 0x36, 0xe3, 0x26, 0x63, 0x9c, 0xb1, 0x83, 0xd1, 0x62, 0xdc, 0x63, + 0x8c, 0x31, 0x46, 0x19, 0x1b, 0x8c, 0x46, 0x84, 0x50, 0xe3, 0xf5, 0x63, + 0x46, 0xe0, 0xba, 0x23, 0x81, 0xba, 0x5f, 0xb3, 0x2e, 0x24, 0x6f, 0xfc, + 0x7e, 0x50, 0xd9, 0x31, 0xef, 0x58, 0xf7, 0x3a, 0xdb, 0x75, 0x57, 0x57, + 0x02, 0xfa, 0x49, 0xef, 0xab, 0x9b, 0x54, 0x8b, 0x3e, 0xb8, 0x58, 0xcf, + 0x9d, 0x82, 0x8b, 0x71, 0x9c, 0x18, 0xed, 0xab, 0xb4, 0x6e, 0xb8, 0x84, + 0xf7, 0xe2, 0x84, 0x5f, 0x18, 0xef, 0x77, 0x12, 0x4e, 0x77, 0xc9, 0x7c, + 0x0e, 0x8b, 0x80, 0xea, 0x1c, 0x95, 0x4f, 0xbb, 0x3c, 0xc2, 0xe2, 0xa9, + 0xbc, 0xda, 0xc5, 0x25, 0x2c, 0x6a, 0xfe, 0xfa, 0x9f, 0x8c, 0x11, 0x1a, + 0x39, 0x22, 0x75, 0xc9, 0x16, 0x3d, 0x83, 0x46, 0x63, 0xd9, 0x36, 0xe4, + 0xfa, 0xdc, 0xf2, 0x7b, 0xd4, 0xfb, 0xd9, 0xa5, 0x1a, 0xe7, 0xe7, 0x2a, + 0x9e, 0x69, 0x0e, 0x32, 0x40, 0xeb, 0x49, 0xe4, 0x1d, 0x04, 0x5a, 0xb8, + 0x86, 0x8c, 0xbf, 0x5f, 0xa4, 0x43, 0x9d, 0xfb, 0x31, 0xcb, 0xfd, 0x38, + 0x11, 0xd2, 0x8f, 0xb0, 0xb9, 0x68, 0x9e, 0xc7, 0xdb, 0xe9, 0x20, 0x6f, + 0x61, 0xf3, 0xa3, 0xf8, 0xa6, 0xdd, 0x3f, 0xe5, 0xf1, 0x01, 0xf3, 0x58, + 0x24, 0x1e, 0x93, 0xdf, 0x5a, 0xf2, 0x94, 0xf6, 0xf0, 0x24, 0xeb, 0xec, + 0x0d, 0xe9, 0x73, 0x58, 0x7d, 0xd9, 0xbf, 0xee, 0x73, 0x20, 0x3f, 0xb8, + 0x8b, 0xdf, 0x9b, 0x04, 0x14, 0x0b, 0x2a, 0x5f, 0x3f, 0xcf, 0xc7, 0xa8, + 0xdf, 0x30, 0x97, 0x93, 0xfb, 0x62, 0xfe, 0x36, 0x35, 0x5c, 0x1b, 0xf9, + 0x88, 0x04, 0xab, 0x98, 0x23, 0x7f, 0x47, 0xd3, 0x78, 0x7d, 0x50, 0x5d, + 0xa8, 0xbe, 0x4b, 0x8c, 0x41, 0x7e, 0x9a, 0xeb, 0xcc, 0x50, 0x3c, 0xd2, + 0x81, 0xc1, 0x3a, 0xc8, 0xf3, 0xf7, 0x28, 0xc8, 0x87, 0x55, 0x5d, 0x59, + 0xf4, 0xce, 0x75, 0x12, 0x8a, 0x39, 0xd2, 0x55, 0x73, 0x5f, 0x59, 0x6f, + 0x6b, 0xea, 0xbb, 0x84, 0xdb, 0xd5, 0x92, 0xee, 0xab, 0xf7, 0x12, 0x64, + 0xbd, 0x3c, 0x47, 0x5a, 0xe8, 0xa3, 0x5d, 0x1c, 0xdf, 0x79, 0x0e, 0x64, + 0x5b, 0x7d, 0x6f, 0x4c, 0xae, 0xeb, 0x0c, 0xeb, 0xfb, 0x68, 0x93, 0xbe, + 0xd5, 0x7d, 0xf5, 0xef, 0x74, 0xce, 0xf5, 0x9b, 0x68, 0x97, 0xda, 0x59, + 0xf7, 0xde, 0x4f, 0x71, 0xcf, 0xfd, 0x44, 0x6e, 0xa6, 0xca, 0xbb, 0xcf, + 0x7b, 0xaf, 0x1c, 0x0a, 0xe9, 0x83, 0xf7, 0x3e, 0x0a, 0xd6, 0xeb, 0xd7, + 0x23, 0xf5, 0x35, 0xce, 0xf5, 0x9b, 0x0d, 0xee, 0xc3, 0x54, 0xff, 0x0c, + 0xe9, 0x3f, 0x53, 0x90, 0xfa, 0x71, 0xc1, 0x31, 0xe9, 0x7c, 0x42, 0x71, + 0x8e, 0x66, 0x62, 0xde, 0xf3, 0x1a, 0xad, 0xe7, 0x67, 0xd0, 0x2f, 0x3e, + 0xa7, 0xf6, 0xf3, 0x48, 0xd8, 0xe4, 0x8b, 0x2d, 0xe2, 0xbd, 0xa6, 0xab, + 0xb9, 0x70, 0x91, 0xef, 0x01, 0x97, 0xec, 0xcc, 0x2b, 0x8a, 0x2f, 0xb9, + 0xaf, 0xc3, 0x12, 0xcd, 0xc5, 0xad, 0x47, 0x84, 0x37, 0xe1, 0x32, 0x9d, + 0xfb, 0xfb, 0xfb, 0x66, 0x21, 0x42, 0x97, 0x57, 0xc7, 0x51, 0xa1, 0x63, + 0x9c, 0x63, 0x25, 0x57, 0x78, 0xae, 0x11, 0x9f, 0xf3, 0xa4, 0x73, 0x8d, + 0xf3, 0xc3, 0xab, 0x45, 0x3e, 0xab, 0xba, 0xac, 0xf7, 0x9a, 0xd2, 0x1d, + 0x0c, 0x9b, 0x38, 0x3f, 0xa9, 0xca, 0x02, 0x2e, 0x7b, 0x1d, 0x46, 0xbb, + 0x4c, 0x18, 0xc3, 0xfc, 0x75, 0x78, 0x58, 0x93, 0x7e, 0x05, 0xbe, 0xdf, + 0x7e, 0xb0, 0x5e, 0x74, 0xa8, 0xf0, 0xef, 0x8b, 0x05, 0x7c, 0x3f, 0x01, + 0xcd, 0xf7, 0x1b, 0xc5, 0x29, 0x0f, 0x11, 0xda, 0xa7, 0xb8, 0xaf, 0xc3, + 0xd2, 0xce, 0x11, 0x7e, 0xdc, 0x3f, 0xec, 0xc3, 0x05, 0x8f, 0x3f, 0x42, + 0xe5, 0xc3, 0x40, 0x98, 0xbf, 0xb4, 0xff, 0xde, 0xe2, 0x3e, 0xa5, 0xf7, + 0x2f, 0xc9, 0x7e, 0xaa, 0xff, 0x19, 0xd7, 0x3f, 0xec, 0xd5, 0xbd, 0x8a, + 0xf7, 0xae, 0xbe, 0xff, 0x7d, 0xdc, 0xc1, 0x76, 0x5b, 0xfb, 0xd8, 0xd1, + 0xf1, 0xf9, 0x41, 0xef, 0xfd, 0xfd, 0xa6, 0x4e, 0x3c, 0x6d, 0xd4, 0xd5, + 0x5c, 0x6d, 0x84, 0xcc, 0xd5, 0xc5, 0xff, 0x3a, 0x57, 0x10, 0x98, 0xab, + 0xd5, 0xfa, 0xc1, 0xe6, 0x0a, 0xb8, 0x7e, 0x08, 0x99, 0xab, 0x18, 0xf3, + 0xf0, 0x94, 0xcf, 0x33, 0x20, 0xaa, 0xc7, 0xb0, 0x7d, 0xc6, 0x2c, 0xeb, + 0x92, 0xf4, 0x68, 0x47, 0xcb, 0xa8, 0x3f, 0xc7, 0x2e, 0x93, 0x9d, 0x41, + 0xfb, 0x49, 0x85, 0x0b, 0xb3, 0xf4, 0x7b, 0x4a, 0x83, 0x9f, 0x94, 0x15, + 0x12, 0x3d, 0x80, 0x0b, 0x00, 0x00, 0x00 }; -static u32 bnx2_rv2p_proc2[] = { - 0x00000000, 0x2a000000, 0x00000010, 0xb1d40000, 0x00000008, 0x02540003, - 0x00000018, 0x00040000, 0x00000018, 0x8000000a, 0x00000018, 0x8000000a, - 0x00000018, 0x8000000e, 0x00000018, 0x80000056, 0x00000018, 0x800001b9, - 0x00000018, 0x800001e1, 0x00000018, 0x8000019b, 0x00000018, 0x800001f9, - 0x00000018, 0x8000019f, 0x00000018, 0x800001a6, 0x00000018, 0x80000000, - 0x0000000c, 0x29800001, 0x00000000, 0x2a000000, 0x0000000c, 0x29800000, - 0x00000010, 0x20530000, 0x00000018, 0x8000ffee, 0x0000000c, 0x29800001, - 0x00000010, 0x91de0000, 0x00000010, 0x001f0000, 0x00000000, 0x2f80aa00, - 0x00000000, 0x2a000000, 0x00000000, 0x0d610000, 0x00000000, 0x03620000, - 0x00000000, 0x2c400000, 0x00000000, 0x02638c00, 0x00000000, 0x26460000, - 0x00000010, 0x00420002, 0x00000008, 0x02040012, 0x00000010, 0xb9060836, - 0x00000000, 0x0f580000, 0x00000000, 0x0a640000, 0x00000000, 0x0ae50000, - 0x00000000, 0x0b660000, 0x00000000, 0x0c000000, 0x00000000, 0x0b800000, - 0x00000010, 0x00420009, 0x00000008, 0x0cc60012, 0x00000008, 0x0f800003, - 0x00000000, 0x00000000, 0x00000010, 0x009f0000, 0x00000008, 0x27110012, - 0x00000000, 0x66900000, 0x00000008, 0xa31b0012, 0x00000018, 0x80000008, - 0x00000000, 0x0cc60000, 0x00000008, 0x0f800003, 0x00000000, 0x00000000, - 0x00000010, 0x009f0000, 0x00000000, 0x27110000, 0x00000000, 0x66900000, - 0x00000000, 0x231b0000, 0x00000010, 0xb197320e, 0x00000000, 0x25960000, - 0x00000000, 0x021b0000, 0x00000010, 0x001f0000, 0x00000008, 0x0f800003, - 0x0000000c, 0x29800000, 0x00000010, 0x20530000, 0x00000000, 0x22c50800, - 0x00000010, 0x009f0000, 0x00000000, 0x27002200, 0x00000000, 0x26802000, - 0x00000000, 0x231b0000, 0x0000000c, 0x69520001, 0x00000018, 0x8000fff3, - 0x00000010, 0x01130002, 0x00000010, 0xb1980003, 0x00000010, 0x001f0000, - 0x00000008, 0x0f800004, 0x00000008, 0x22000003, 0x00000008, 0x2c80000c, - 0x00000008, 0x2d00000c, 0x00000010, 0x009f0000, 0x00000000, 0x25960000, - 0x0000000c, 0x29800000, 0x00000000, 0x32140000, 0x00000000, 0x32950000, - 0x00000000, 0x33160000, 0x00000000, 0x31e32e00, 0x00000008, 0x2d800010, - 0x00000010, 0x20530000, 0x00000018, 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0x0000000c, 0x33e7001c, 0x00000010, 0x20530000, 0x00000000, 0x22060000, - 0x00000000, 0x290e0000, 0x00000018, 0x000d0000, 0x00000000, 0x06820000, - 0x00000010, 0x2de7000d, 0x00000010, 0x0ce7000c, 0x00000000, 0x27f20000, - 0x00000010, 0xb96d9e0a, 0x00000000, 0xa86d9e00, 0x00000009, 0x0361ffff, - 0x00000010, 0xb7500c07, 0x00000008, 0x2200000f, 0x0000000f, 0x65680010, - 0x00000000, 0x29000000, 0x00000018, 0x80000004, 0x0000000c, 0x33e7001b, - 0x00000010, 0x20530000, 0x00000018, 0x000d0000, 0x00000000, 0x2b820000, - 0x00000010, 0x20d2002f, 0x00000010, 0x0052002e, 0x00000009, 0x054e0007, - 0x00000010, 0xb18a002c, 0x00000000, 0x050a8c00, 0x00000008, 0x850a0008, - 0x00000010, 0x918a0029, 0x00000003, 0xc5008800, 0x00000008, 0xa3460001, - 0x00000010, 0xb1c60007, 0x00000008, 0x22000001, 0x0000000c, 0x29800000, - 0x00000010, 0x20530000, 0x00000000, 0x274e8c00, 0x00000000, 0x66cd0000, - 0x00000000, 0x22c58c00, 0x00000008, 0x22000014, 0x00000003, 0x22c58e00, - 0x00000003, 0x23c58e00, 0x00000003, 0x22c58e00, 0x00000003, 0x26cd9e00, - 0x00000003, 0x27cd9e00, 0x00000003, 0x26cd9e00, 0x00000003, 0x274ea000, - 0x00000003, 0x284ea000, 0x00000003, 0x274ea000, 0x0000000c, 0x69520000, - 0x0000000c, 0x29800000, 0x00000010, 0x20530000, 0x00000003, 0x22c58e00, - 0x00000003, 0x23c58e00, 0x00000003, 0x22c58e00, 0x00000003, 0x26cd9e00, - 0x00000003, 0x27cd9e00, 0x00000003, 0x26cd9e00, 0x00000003, 0x274ea000, - 0x00000003, 0x284ea000, 0x00000003, 0x274ea000, 0x00000000, 0xa2c58c00, - 0x00000000, 0xa74e8c00, 0x00000000, 0xe6cd0000, 0x0000000f, 0x620a0010, - 0x00000008, 0x23460001, 0x0000000c, 0x29800000, 0x00000010, 0x20530000, - 0x0000000c, 0x29520000, 0x00000018, 0x80000002, 0x0000000c, 0x29800000, - 0x00000018, 0x00570000 }; +static u8 bnx2_rv2p_proc2[] = { + 0x1f, 0x8b, 0x08, 0x08, 0x7e, 0xd1, 0x41, 0x44, 0x00, 0x03, 0x74, 0x65, + 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xcd, 0x58, 0x5b, 0x6c, + 0x54, 0x55, 0x14, 0x3d, 0xf3, 0xe8, 0xcc, 0x9d, 0xe9, 0xed, 0x9d, 0xf2, + 0xb2, 0x03, 0xad, 0x08, 0xe5, 0xd1, 0x56, 0x29, 0xe8, 0x54, 0xab, 0x18, + 0x15, 0x2c, 0x5a, 0x8c, 0x26, 0x68, 0xf0, 0xf9, 0x63, 0x14, 0x04, 0xda, + 0x9a, 0x56, 0x9b, 0x16, 0xfb, 0x81, 0xaf, 0x09, 0x14, 0x6a, 0x4c, 0x25, + 0xd6, 0x08, 0xc5, 0x47, 0xa0, 0x11, 0x1f, 0x84, 0xf0, 0xd3, 0x1f, 0x3b, + 0x8d, 0x7f, 0x0a, 0x24, 0x6a, 0x88, 0xc4, 0xa8, 0x9f, 0x24, 0x68, 0xa0, + 0x21, 0x0a, 0x58, 0x8b, 0x63, 0x4c, 0xb4, 0xf5, 0xec, 0xbd, 0xf6, 0xb9, + 0x73, 0xef, 0x6d, 0x8b, 0x1a, 0xf9, 0x70, 0x3e, 0xba, 0x7b, 0xce, 0xd9, + 0x67, 0x3f, 0xd6, 0xde, 0x67, 0x9f, 0x7d, 0xae, 0x52, 0xfc, 0xbb, 0xb6, + 0x94, 0xc9, 0x37, 0x83, 0x96, 0xfe, 0x1b, 0x51, 0x0f, 0x85, 0xd3, 0x3c, + 0x8e, 0x2a, 0xa2, 0x49, 0xa5, 0xb2, 0x5e, 0xea, 0x08, 0x7d, 0x44, 0xe8, + 0x70, 0x08, 0xf4, 0xb4, 0xd0, 0x77, 0x84, 0xfe, 0x2e, 0xf4, 0x80, 0xd0, + 0x0f, 0x85, 0xea, 0x5f, 0xd6, 0xd6, 0x7f, 0xf4, 0xb0, 0x46, 0x89, 0x7e, + 0x1b, 0xd3, 0x35, 0xb0, 0xe3, 0xc1, 0x05, 0xc4, 0x77, 0x61, 0xa2, 0xc0, + 0x87, 0xf9, 0x53, 0x7d, 0xa0, 0xd7, 0x60, 0xd7, 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0x30, 0x9e, 0x9d, 0x01, 0xdd, 0x23, 0xf4, 0xaa, 0x3a, 0x26, + 0xcb, 0x7f, 0xb8, 0xc1, 0x62, 0x0c, 0xb2, 0xb5, 0xde, 0x7c, 0x38, 0x32, + 0x61, 0xf0, 0x52, 0x8b, 0x40, 0xce, 0x2e, 0x21, 0x3e, 0x1d, 0x9c, 0x4a, + 0xc8, 0x5d, 0xdf, 0x32, 0x55, 0x1e, 0x7d, 0x30, 0x45, 0x1e, 0x61, 0xff, + 0xb7, 0x2b, 0x7c, 0xf9, 0xa4, 0xda, 0x25, 0x4f, 0x36, 0x22, 0x8f, 0xac, + 0xa7, 0x3e, 0x91, 0x85, 0x6b, 0x13, 0xfa, 0xcf, 0x84, 0x7a, 0x32, 0x4e, + 0x01, 0x8a, 0x2b, 0x87, 0xfd, 0x53, 0xe2, 0xe7, 0x26, 0xed, 0x27, 0xd1, + 0x8a, 0x50, 0xb6, 0x36, 0xc1, 0x38, 0x35, 0xc4, 0xa0, 0xaf, 0x61, 0x03, + 0xb6, 0xaf, 0x46, 0x5c, 0x7b, 0x4f, 0x86, 0x8d, 0xfd, 0x51, 0xfa, 0x3b, + 0xd0, 0xb6, 0x9d, 0x47, 0x03, 0xd1, 0x1d, 0x4c, 0xed, 0x63, 0x95, 0x58, + 0xee, 0x8a, 0xf0, 0x7a, 0x72, 0x97, 0xcc, 0xf7, 0xec, 0xf0, 0xdb, 0xfd, + 0x02, 0xf2, 0xdb, 0x7e, 0x7e, 0x47, 0x88, 0xa8, 0x13, 0x73, 0xf9, 0x98, + 0x3a, 0x3b, 0xb7, 0x13, 0xff, 0x55, 0x6a, 0xd7, 0x20, 0x29, 0x4e, 0xab, + 0x0d, 0x6b, 0xb1, 0x6f, 0x77, 0x2c, 0xc5, 0xb8, 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0xd2, 0x7f, 0xfe, 0x61, 0x47, 0x54, 0xec, 0x28, 0xf7, 0xd8, + 0x11, 0xd0, 0x7b, 0x1d, 0xcd, 0xaf, 0x50, 0x5f, 0x73, 0x1e, 0x2e, 0x57, + 0xeb, 0x29, 0x47, 0xf4, 0xbd, 0xb0, 0xae, 0x88, 0xc6, 0xcb, 0xd4, 0xab, + 0xf0, 0xb7, 0x37, 0x59, 0x84, 0x3a, 0x96, 0xdc, 0x49, 0xf3, 0x35, 0xea, + 0xd5, 0x3e, 0x0e, 0xc4, 0x2b, 0xea, 0x18, 0xea, 0x73, 0xe3, 0x41, 0xb6, + 0x47, 0x1d, 0x1f, 0x34, 0xf5, 0x7a, 0xca, 0xef, 0x98, 0xbd, 0xeb, 0xa4, + 0x5e, 0x9c, 0xc0, 0x77, 0x51, 0xfd, 0x5e, 0x23, 0xfe, 0xd9, 0xe6, 0x3d, + 0xb8, 0xfb, 0x98, 0xa1, 0x8b, 0x7c, 0xe3, 0xfd, 0x27, 0x96, 0x0a, 0xad, + 0xf2, 0x8d, 0x07, 0xd6, 0x55, 0x09, 0xad, 0x36, 0xe3, 0xe9, 0xbe, 0x2b, + 0x5e, 0x29, 0xf9, 0x62, 0xf7, 0x7b, 0xe2, 0xcf, 0x47, 0xe2, 0xcf, 0x59, + 0xe0, 0x9f, 0xdc, 0x28, 0x78, 0x2c, 0x0a, 0xea, 0x17, 0xbb, 0xdc, 0x73, + 0x63, 0xd6, 0x11, 0x8f, 0x47, 0xd5, 0x5f, 0x3f, 0x97, 0x8f, 0x31, 0xd8, + 0x17, 0x00, 0x00, 0x00 }; static const int bnx2_TPAT_b06FwReleaseMajor = 0x1; static const int bnx2_TPAT_b06FwReleaseMinor = 0x0; @@ -2339,201 +1330,199 @@ static const u32 bnx2_TPAT_b06FwBssAddr = 0x08001aa0; static const int bnx2_TPAT_b06FwBssLen = 0x250; static const u32 bnx2_TPAT_b06FwSbssAddr = 0x08001a60; static const int bnx2_TPAT_b06FwSbssLen = 0x34; -static u32 bnx2_TPAT_b06FwText[(0x122c/4) + 1] = { - 0x0a000218, 0x00000000, 0x00000000, 0x0000000d, 0x74706174, 0x20322e35, - 0x2e313100, 0x02050b01, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000, 0x10000003, 0x00000000, 0x0000000d, 0x0000000d, 0x3c020800, - 0x24421a60, 0x3c030800, 0x24631cf0, 0xac400000, 0x0043202b, 0x1480fffd, - 0x24420004, 0x3c1d0800, 0x37bd2ffc, 0x03a0f021, 0x3c100800, 0x26100860, - 0x3c1c0800, 0x279c1a60, 0x0e000546, 0x00000000, 0x0000000d, 0x8f820010, - 0x8c450008, 0x24030800, 0xaf430178, 0x97430104, 0x3c020008, 0xaf420140, - 0x8f820024, 0x30420001, 0x10400007, 0x3069ffff, 0x24020002, 0x2523fffe, - 0xa7420146, 0xa7430148, 0x0a000242, 0x3c020800, 0xa7400146, 0x3c020800, - 0x8c43083c, 0x1460000e, 0x24020f00, 0x8f820024, 0x30430020, 0x0003182b, - 0x00031823, 0x30650009, 0x30420c00, 0x24030400, 0x14430002, 0x34a40001, - 0x34a40005, 0xa744014a, 0x0a000264, 0x3c020800, 0x8f830014, 0x14620008, - 0x00000000, 0x8f820024, 0x30420020, 0x0002102b, 0x00021023, 0x3042000d, - 0x0a000262, 0x34420005, 0x8f820024, 0x30420020, 0x0002102b, 0x00021023, - 0x30420009, 0x34420001, 0xa742014a, 0x3c020800, 0x8c430820, 0x8f840024, - 0x3c020048, 0x00621825, 0x30840006, 0x24020002, 0x1082000d, 0x2c820003, - 0x50400005, 0x24020004, 0x10800012, 0x3c020001, 0x0a000284, 0x00000000, - 0x10820007, 0x24020006, 0x1482000f, 0x3c020111, 0x0a00027c, 0x00621025, - 0x0a00027b, 0x3c020101, 0x3c020011, 0x00621025, 0x24030001, 0xaf421000, - 0xaf830020, 0x0a000284, 0x00000000, 0x00621025, 0xaf421000, 0xaf800020, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x8f830020, 0x1060003f, - 0x3c048000, 0x8f421000, 0x00441024, 0x1040fffd, 0x00000000, 0x10600039, - 0x00000000, 0x8f421000, 0x3c030020, 0x00431024, 0x10400034, 0x00000000, - 0x97421014, 0x14400031, 0x00000000, 0x97421008, 0x8f840010, 0x24420006, - 0x00024082, 0x00081880, 0x00643821, 0x8ce50000, 0x30430003, 0x30420001, - 0x10400004, 0x00000000, 0x0000000d, 0x0a0002c3, 0x00081080, 0x5460000f, - 0x30a5ffff, 0x3c06ffff, 0x00a62824, 0x0005182b, 0x00a61026, 0x0002102b, - 0x00621824, 0x10600004, 0x00000000, 0x0000000d, 0x00000000, 0x240001fb, - 0x8ce20000, 0x0a0002c2, 0x00462825, 0x0005182b, 0x38a2ffff, 0x0002102b, - 0x00621824, 0x10600004, 0x00000000, 0x0000000d, 0x00000000, 0x24000205, - 0x8ce20000, 0x3445ffff, 0x00081080, 0x00441021, 0x3c030800, 0xac450000, - 0x8c620830, 0x24420001, 0xac620830, 0x8f840018, 0x01202821, 0x24820008, - 0x30421fff, 0x24434000, 0x0343d821, 0x30a30007, 0xaf84000c, 0xaf820018, - 0xaf420084, 0x10600002, 0x24a20007, 0x3045fff8, 0x8f820030, 0x8f840000, - 0x00451821, 0xaf82001c, 0x0064102b, 0xaf830030, 0x14400002, 0x00641023, - 0xaf820030, 0x8f840030, 0x34028000, 0x00821021, 0x03421821, 0x3c021000, - 0xaf830010, 0xaf440080, 0x03e00008, 0xaf420178, 0x8f830024, 0x27bdffe0, - 0xafbf0018, 0xafb10014, 0x30620200, 0x14400004, 0xafb00010, 0x0000000d, - 0x00000000, 0x24000242, 0x00031a82, 0x30630003, 0x000310c0, 0x00431021, - 0x00021080, 0x00431021, 0x00021080, 0x3c030800, 0x24631aa0, 0x00438821, - 0x8e240000, 0x10800004, 0x00000000, 0x0000000d, 0x00000000, 0x2400024d, - 0x8f850010, 0x24020001, 0xae220000, 0x8ca70008, 0xa2200007, 0x8f620004, - 0x26300014, 0x02002021, 0x00021402, 0xa2220004, 0x304600ff, 0x24c60005, - 0x0e000673, 0x00063082, 0x8f620004, 0xa6220008, 0x8f430108, 0x3c021000, - 0x00621824, 0x10600008, 0x00000000, 0x97420104, 0x92230007, 0x2442ffec, - 0x3045ffff, 0x34630002, 0x0a000321, 0xa2230007, 0x97420104, 0x2442fff0, - 0x3045ffff, 0x8f620004, 0x3042ffff, 0x2c420013, 0x54400005, 0x92230007, - 0x92220007, 0x34420001, 0xa2220007, 0x92230007, 0x24020001, 0x10620009, - 0x28620002, 0x14400014, 0x24020002, 0x10620012, 0x24020003, 0x1062000a, - 0x00000000, 0x0a000342, 0x00000000, 0x8f820010, 0x8c43000c, 0x3c04ffff, - 0x00641824, 0x00651825, 0x0a000342, 0xac43000c, 0x8f820010, 0x8c430010, - 0x3c04ffff, 0x00641824, 0x00651825, 0xac430010, 0x8f620004, 0x3042ffff, - 0x24420002, 0x00021083, 0xa2220005, 0x304500ff, 0x8f820010, 0x3c04ffff, - 0x00052880, 0x00a22821, 0x8ca70000, 0x96220008, 0x97430104, 0x00e42024, - 0x24420002, 0x00621823, 0x00833825, 0xaca70000, 0x92240005, 0x00041080, - 0x02021021, 0x90430000, 0x3c05fff6, 0x34a5ffff, 0x3063000f, 0x00832021, - 0xa2240006, 0x308200ff, 0x24420003, 0x00021080, 0x02021021, 0x8c460000, - 0x308300ff, 0x8f820010, 0x3c04ff3f, 0x00031880, 0x00c53824, 0x00621821, - 0xae26000c, 0xac67000c, 0x8e22000c, 0x92230006, 0x3484ffff, 0x00441024, - 0x24630003, 0x00031880, 0x02031821, 0x00e42024, 0xae22000c, 0xac640000, - 0x92220006, 0x24420004, 0x00021080, 0x02021021, 0x94470002, 0xac470000, - 0x92230006, 0x8f820010, 0x00031880, 0x00621821, 0x24020010, 0xac670010, - 0x24030002, 0xa7420140, 0xa7400142, 0xa7400144, 0xa7430146, 0x97420104, - 0x24030001, 0x2442fffe, 0xa7420148, 0xa743014a, 0x8f820024, 0x24030002, - 0x30440006, 0x1083000d, 0x2c820003, 0x10400005, 0x24020004, 0x10800011, - 0x3c020009, 0x0a0003a5, 0x00000000, 0x10820007, 0x24020006, 0x1482000d, - 0x3c020119, 0x0a00039f, 0x24030001, 0x0a00039e, 0x3c020109, 0x3c020019, - 0x24030001, 0xaf421000, 0xaf830020, 0x0a0003a5, 0x00000000, 0xaf421000, - 0xaf800020, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x92220004, - 0x24030008, 0x8f840020, 0x24420002, 0x30420007, 0x00621823, 0x30630007, - 0x10800006, 0xae230010, 0x3c038000, 0x8f421000, 0x00431024, 0x1040fffd, - 0x00000000, 0x8f820018, 0xaf82000c, 0x24420010, 0x30421fff, 0xaf820018, - 0xaf420084, 0x97430104, 0x24424000, 0x0342d821, 0x3063ffff, 0x30620007, - 0x10400002, 0x24620007, 0x3043fff8, 0x8f820030, 0x8f840000, 0x00431821, - 0xaf82001c, 0x0064102b, 0xaf830030, 0x14400002, 0x00641023, 0xaf820030, - 0x8f840030, 0x34028000, 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x00821021, - 0x03421821, 0x3c021000, 0xaf830010, 0xaf440080, 0xaf420178, 0x03e00008, - 0x27bd0020, 0x8f830024, 0x27bdffe0, 0xafbf0018, 0xafb10014, 0x30620200, - 0x14400004, 0xafb00010, 0x0000000d, 0x00000000, 0x240002e4, 0x00031a82, - 0x30630003, 0x000310c0, 0x00431021, 0x00021080, 0x00431021, 0x00021080, - 0x3c030800, 0x24631aa0, 0x00438021, 0x8e040000, 0x14800004, 0x00000000, - 0x0000000d, 0x00000000, 0x240002e9, 0x8f620004, 0x04410008, 0x26050014, - 0x92020006, 0x8e03000c, 0x24420003, 0x00021080, 0x00a21021, 0xac430000, - 0xae000000, 0x92020005, 0x24420001, 0x00021080, 0x00a21021, 0x8c430000, - 0x3c040001, 0x00641821, 0xac430000, 0x92060004, 0x27710008, 0x02202021, - 0x24c60005, 0x0e000673, 0x00063082, 0x92040006, 0x3c057fff, 0x8f620004, - 0x00042080, 0x00912021, 0x8c830004, 0x34a5ffff, 0x00451024, 0x00621821, - 0xac830004, 0x92050005, 0x3c07ffff, 0x92040004, 0x00052880, 0x00b12821, - 0x8ca30000, 0x97420104, 0x96060008, 0x00671824, 0x00441021, 0x00461023, - 0x3042ffff, 0x00621825, 0xaca30000, 0x92030007, 0x24020001, 0x1062000a, - 0x28620002, 0x1440001d, 0x2402000a, 0x24020002, 0x10620019, 0x24020003, - 0x1062000e, 0x2402000a, 0x0a000447, 0x00000000, 0x92020004, 0x97430104, - 0x8e24000c, 0x00621821, 0x2463fff2, 0x3063ffff, 0x00872024, 0x00832025, - 0xae24000c, 0x0a000447, 0x2402000a, 0x92020004, 0x97430104, 0x8e240010, - 0x00621821, 0x2463ffee, 0x3063ffff, 0x00872024, 0x00832025, 0xae240010, - 0x2402000a, 0xa7420140, 0x96030012, 0x8f840024, 0xa7430142, 0x92020004, - 0xa7420144, 0xa7400146, 0x97430104, 0x30840006, 0x24020001, 0xa7430148, - 0xa742014a, 0x24020002, 0x1082000d, 0x2c820003, 0x10400005, 0x24020004, - 0x10800011, 0x3c020041, 0x0a00046c, 0x00000000, 0x10820007, 0x24020006, - 0x1482000d, 0x3c020151, 0x0a000466, 0x24030001, 0x0a000465, 0x3c020141, - 0x3c020051, 0x24030001, 0xaf421000, 0xaf830020, 0x0a00046c, 0x00000000, - 0xaf421000, 0xaf800020, 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x8f820020, 0x8f840018, 0x10400006, 0x92030004, 0x3c058000, 0x8f421000, - 0x00451024, 0x1040fffd, 0x00000000, 0x2463000a, 0x30620007, 0x10400002, - 0x24620007, 0x304303f8, 0x00831021, 0x30421fff, 0xaf84000c, 0xaf820018, - 0xaf420084, 0x97430104, 0x24424000, 0x0342d821, 0x3063ffff, 0x30620007, - 0x10400002, 0x24620007, 0x3043fff8, 0x8f820030, 0x8f840000, 0x00431821, - 0xaf82001c, 0x0064102b, 0xaf830030, 0x14400002, 0x00641023, 0xaf820030, - 0x8f840030, 0x34028000, 0x8fbf0018, 0x8fb10014, 0x8fb00010, 0x00821021, - 0x03421821, 0x3c021000, 0xaf830010, 0xaf440080, 0xaf420178, 0x03e00008, - 0x27bd0020, 0x8f620000, 0x97430104, 0x3c048000, 0x3045ffff, 0x3066ffff, - 0x8f420178, 0x00441024, 0x1440fffd, 0x2402000a, 0x30a30007, 0xa7420140, - 0x24020008, 0x00431023, 0x30420007, 0x24a3fffe, 0xa7420142, 0xa7430144, - 0xa7400146, 0xa7460148, 0x8f420108, 0x8f830024, 0x30420020, 0x0002102b, - 0x00021023, 0x30420009, 0x34420001, 0x30630006, 0xa742014a, 0x24020002, - 0x1062000d, 0x2c620003, 0x10400005, 0x24020004, 0x10600011, 0x3c020041, - 0x0a0004d6, 0x00000000, 0x10620007, 0x24020006, 0x1462000d, 0x3c020151, - 0x0a0004d0, 0x24030001, 0x0a0004cf, 0x3c020141, 0x3c020051, 0x24030001, - 0xaf421000, 0xaf830020, 0x0a0004d6, 0x00000000, 0xaf421000, 0xaf800020, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x8f820020, 0x24a30008, - 0x8f850018, 0x10400006, 0x30c6ffff, 0x3c048000, 0x8f421000, 0x00441024, - 0x1040fffd, 0x00000000, 0x3063ffff, 0x30620007, 0x10400002, 0x24620007, - 0x3043fff8, 0x00a31021, 0x30421fff, 0x24434000, 0x0343d821, 0x00c02021, - 0x30830007, 0xaf85000c, 0xaf820018, 0xaf420084, 0x10600002, 0x24820007, - 0x3044fff8, 0x8f820030, 0x8f850000, 0x00441821, 0xaf82001c, 0x0065102b, - 0xaf830030, 0x14400002, 0x00651023, 0xaf820030, 0x8f840030, 0x34028000, - 0x3c030800, 0x8c650834, 0x00821021, 0x03421821, 0xaf830010, 0xaf440080, - 0x10a00006, 0x2402000e, 0x9383002f, 0x14620004, 0x3c021000, 0x2402043f, - 0xa7420148, 0x3c021000, 0x03e00008, 0xaf420178, 0x8f820024, 0x30424000, - 0x10400005, 0x24020800, 0x0000000d, 0x00000000, 0x2400040e, 0x24020800, - 0xaf420178, 0x97440104, 0x3c030008, 0xaf430140, 0x8f820024, 0x30420001, - 0x10400006, 0x3085ffff, 0x24020002, 0x24a3fffe, 0xa7420146, 0x0a000526, - 0xa7430148, 0xa7400146, 0x8f840018, 0x2402000d, 0xa742014a, 0x24830008, - 0x30631fff, 0x24624000, 0x0342d821, 0x30a20007, 0xaf84000c, 0xaf830018, - 0xaf430084, 0x10400002, 0x24a20007, 0x3045fff8, 0x8f820030, 0x8f840000, - 0x00451821, 0xaf82001c, 0x0064102b, 0xaf830030, 0x14400002, 0x00641023, - 0xaf820030, 0x8f840030, 0x34028000, 0x00821021, 0x03421821, 0x3c021000, - 0xaf830010, 0xaf440080, 0x03e00008, 0xaf420178, 0x27bdffe8, 0x3c046008, - 0xafbf0014, 0xafb00010, 0x8c825000, 0x3c1a8000, 0x2403ff7f, 0x375b4000, - 0x00431024, 0x3442380c, 0xac825000, 0x8f430008, 0x3c100800, 0x37428000, - 0x34630001, 0xaf430008, 0xaf820010, 0x3c02601c, 0xaf800018, 0xaf400080, - 0xaf400084, 0x8c450008, 0x3c036000, 0x8c620808, 0x3c040800, 0x3c030080, - 0xac830820, 0x3042fff0, 0x38420010, 0x2c420001, 0xaf850000, 0xaf820004, - 0x0e000658, 0x00000000, 0x8f420000, 0x30420001, 0x1040fffb, 0x00000000, - 0x8f430108, 0x8f440100, 0x30622000, 0xaf830024, 0xaf840014, 0x10400004, - 0x8e02082c, 0x24420001, 0x0a0005c6, 0xae02082c, 0x30620200, 0x14400003, - 0x24020f00, 0x14820027, 0x24020d00, 0x97420104, 0x1040001c, 0x30624000, - 0x14400005, 0x00000000, 0x0e00022f, 0x00000000, 0x0a0005bb, 0x00000000, - 0x8f620008, 0x8f630000, 0x24020030, 0x00031e02, 0x306300f0, 0x10620007, - 0x28620031, 0x1440002f, 0x24020040, 0x10620007, 0x00000000, 0x0a0005bb, - 0x00000000, 0x0e0002e8, 0x00000000, 0x0a0005bb, 0x00000000, 0x0e0003db, - 0x00000000, 0x0a0005bb, 0x00000000, 0x30620040, 0x1440002b, 0x00000000, - 0x0000000d, 0x00000000, 0x240004b2, 0x0a0005c6, 0x00000000, 0x1482000f, - 0x30620006, 0x97420104, 0x10400005, 0x30620040, 0x0e000510, 0x00000000, - 0x0a0005bb, 0x00000000, 0x1440001b, 0x00000000, 0x0000000d, 0x00000000, - 0x240004c4, 0x0a0005c6, 0x00000000, 0x1040000e, 0x30621000, 0x10400005, - 0x00000000, 0x0e000688, 0x00000000, 0x0a0005bb, 0x00000000, 0x0e0004a1, - 0x00000000, 0x8f82002c, 0x24420001, 0xaf82002c, 0x0a0005c6, 0x00000000, - 0x30620040, 0x14400004, 0x00000000, 0x0000000d, 0x00000000, 0x240004db, - 0x8f420138, 0x3c034000, 0x00431025, 0xaf420138, 0x0a000566, 0x00000000, - 0x3c046008, 0x8c835000, 0x3c1a8000, 0x2402ff7f, 0x375b4000, 0x00621824, - 0x3463380c, 0xac835000, 0x8f420008, 0x3c056000, 0x3c03601c, 0x34420001, - 0xaf420008, 0x37428000, 0xaf800018, 0xaf820010, 0xaf400080, 0xaf400084, - 0x8c660008, 0x8ca20808, 0x3c040800, 0x3c030080, 0xac830820, 0x3042fff0, - 0x38420010, 0x2c420001, 0xaf860000, 0xaf820004, 0x03e00008, 0x00000000, - 0x3084ffff, 0x30820007, 0x10400002, 0x24820007, 0x3044fff8, 0x8f820018, - 0x00441821, 0x30631fff, 0x24644000, 0x0344d821, 0xaf82000c, 0xaf830018, - 0x03e00008, 0xaf430084, 0x3084ffff, 0x30820007, 0x10400002, 0x24820007, - 0x3044fff8, 0x8f820030, 0x8f830000, 0x00442021, 0xaf82001c, 0x0083102b, - 0xaf840030, 0x14400002, 0x00831023, 0xaf820030, 0x8f820030, 0x34038000, - 0x00431821, 0x03432021, 0xaf840010, 0x03e00008, 0xaf420080, 0x8f830024, - 0x24020002, 0x30630006, 0x1062000d, 0x2c620003, 0x50400005, 0x24020004, - 0x10600012, 0x3c020001, 0x0a00062a, 0x00000000, 0x10620007, 0x24020006, - 0x1462000f, 0x3c020111, 0x0a000622, 0x00821025, 0x0a000621, 0x3c020101, - 0x3c020011, 0x00821025, 0x24030001, 0xaf421000, 0xaf830020, 0x0a00062a, - 0x00000000, 0x00821025, 0xaf421000, 0xaf800020, 0x00000000, 0x00000000, - 0x00000000, 0x03e00008, 0x00000000, 0x8f820020, 0x10400005, 0x3c038000, - 0x8f421000, 0x00431024, 0x1040fffd, 0x00000000, 0x03e00008, 0x00000000, - 0x8f820024, 0x27bdffe8, 0x30424000, 0x14400005, 0xafbf0010, 0x0e00022f, - 0x00000000, 0x0a000656, 0x8fbf0010, 0x8f620008, 0x8f630000, 0x24020030, - 0x00031e02, 0x306300f0, 0x10620008, 0x28620031, 0x1440000d, 0x8fbf0010, - 0x24020040, 0x10620007, 0x00000000, 0x0a000656, 0x00000000, 0x0e0002e8, - 0x00000000, 0x0a000656, 0x8fbf0010, 0x0e0003db, 0x00000000, 0x8fbf0010, - 0x03e00008, 0x27bd0018, 0x8f840028, 0x1080000f, 0x3c026000, 0x8c430c3c, - 0x30630fff, 0xaf830008, 0x14600011, 0x3082000f, 0x10400005, 0x308200f0, - 0x10400003, 0x30820f00, 0x14400006, 0x00000000, 0x0000000d, 0x00000000, - 0x2400051a, 0x03e00008, 0x00000000, 0x0000000d, 0x00000000, 0x2400051f, - 0x03e00008, 0x00000000, 0xaf830028, 0x03e00008, 0x00000000, 0x10c00007, - 0x00000000, 0x8ca20000, 0x24c6ffff, 0x24a50004, 0xac820000, 0x14c0fffb, - 0x24840004, 0x03e00008, 0x00000000, 0x0a000684, 0x00a01021, 0xac860000, - 0x00000000, 0x00000000, 0x24840004, 0x00a01021, 0x1440fffa, 0x24a5ffff, - 0x03e00008, 0x00000000, 0x0000000d, 0x03e00008, 0x00000000, 0x00000000}; +static u8 bnx2_TPAT_b06FwText[] = { + 0x1f, 0x8b, 0x08, 0x08, 0x47, 0xd2, 0x41, 0x44, 0x00, 0x03, 0x74, 0x65, + 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xc5, 0x57, 0x4d, 0x68, + 0x1c, 0xe7, 0x19, 0x7e, 0xe7, 0x77, 0x47, 0x62, 0x25, 0x8d, 0x93, 0x3d, + 0xac, 0x5d, 0xa5, 0x99, 0x91, 0x46, 0x3f, 0x54, 0x26, 0x9e, 0x84, 0xa5, + 0x56, 0x61, 0x20, 0xe3, 0x99, 0x95, 0x2c, 0x0c, 0x05, 0x07, 0x42, 0x08, + 0xe4, 0xb2, 0x1d, 0x49, 0x36, 0x85, 0x1e, 0x5a, 0x9a, 0x43, 0xa0, 0x05, + 0x0f, 0x33, 0xeb, 0x34, 0x87, 0xc5, 0xdb, 0xaa, 0xc5, 0xbe, 0x94, 0xd6, + 0x95, 0xea, 0xe8, 0xb2, 0x68, 0xe2, 0x53, 0x0f, 0xc5, 0xd8, 0xb4, 0x54, + 0xd0, 0x53, 0x7b, 0x0a, 0x85, 0x5c, 0x4c, 0x69, 0x20, 0x85, 0x12, 0x44, + 0x0f, 0x21, 0xd4, 0xad, 0xa7, 0xcf, 0xfb, 0xcd, 0x8c, 0xbc, 0xbb, 0x95, + 0x5b, 0x1f, 0x02, 0x15, 0xac, 0x66, 0xe6, 0xfb, 0xde, 0xf7, 0xfb, 0x79, + 0x9f, 0xe7, 0x79, 0xbf, 0xf7, 0x6b, 0xca, 0x34, 0x49, 0xe5, 0xdf, 0x14, + 0x7e, 0x6f, 0x7f, 0xe3, 0xdb, 0x6f, 0x7f, 0xf5, 0xa5, 0x57, 0x2c, 0xa2, + 0x57, 0x5e, 0x92, 0x64, 0x5d, 0xa6, 0x2f, 0xe0, 0x4f, 0x21, 0x32, 0xab, + 0xf1, 0xf9, 0x47, 0x86, 0xec, 0x75, 0xce, 0x04, 0x0e, 0x19, 0x8a, 0x77, + 0x34, 0xbb, 0xe9, 0x10, 0xf9, 0x83, 0x15, 0x2b, 0xa4, 0x7f, 0xe5, 0x71, + 0x43, 0x25, 0x6e, 0x7f, 0xc1, 0xfb, 0xe7, 0xb9, 0x7b, 0xe7, 0xed, 0xa3, + 0xdb, 0x0a, 0x19, 0xa6, 0xd7, 0x31, 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0xad230030, 0x9342010a, 0x3c030041, - 0xafa50014, 0x00021600, 0x00431025, 0x00471025, 0xafa20010, 0x9343010b, - 0xafa30018, 0x8f440100, 0x8f450104, 0x0e00159b, 0x3c070400, 0x12200028, - 0x00003821, 0x24052000, 0x3c090800, 0x3c038000, 0x8f420178, 0x00431024, - 0x1440fffd, 0x8ec258b0, 0x26c458b0, 0x2484ffd0, 0xaf420144, 0x8c820034, - 0x3c030300, 0xaf420148, 0x2402004e, 0xaf43014c, 0xa3420152, 0x8d230030, - 0x3c021000, 0xa7470158, 0xaf450154, 0xaf420178, 0x8c860034, 0x24630001, - 0xad230030, 0x9342010a, 0x3c03004e, 0xafa50014, 0x00021600, 0x00431025, - 0x00471025, 0xafa20010, 0x9343010b, 0xafa30018, 0x8f440100, 0x8f450104, - 0x0e00159b, 0x3c070300, 0x0a00148b, 0x8fa20024, 0x32820008, 0x10400026, - 0x24052000, 0x00003821, 0x3c090800, 0x3c038000, 0x8f420178, 0x00431024, - 0x1440fffd, 0x8ec258b0, 0x26c458b0, 0x2484ffd0, 0xaf420144, 0x8c820034, - 0x3c030200, 0xaf420148, 0x2402004b, 0xaf43014c, 0xa3420152, 0x8d230030, - 0x3c021000, 0xa7470158, 0xaf450154, 0xaf420178, 0x8c860034, 0x24630001, - 0xad230030, 0x9342010a, 0x3c03004b, 0xafa50014, 0x00021600, 0x00431025, - 0x00471025, 0xafa20010, 0x9343010b, 0xafa30018, 0x8f440100, 0x8f450104, - 0x0e00159b, 0x3c070200, 0x8fa20024, 0x14400004, 0x8fa30020, 0x32420010, - 0x10400004, 0x00000000, 0x8c620004, 0x0040f809, 0x00000000, 0x12600006, - 0x8fa40020, 0x8c820008, 0x0040f809, 0x00000000, 0x0a0014c1, 0x8fbf0054, - 0x3c030800, 0x8c6258a0, 0x30420040, 0x14400023, 0x8fbf0054, 0x00002821, - 0x24040040, 0x8f870020, 0x3c038000, 0x8f420178, 0x00431024, 0x1440fffd, - 0x8ec258b0, 0x26c358b0, 0x2463ffd0, 0xaf420144, 0x8c620034, 0xaf420148, - 0x24020049, 0xaf47014c, 0xa3420152, 0x3c021000, 0xa7450158, 0xaf440154, - 0xaf420178, 0x8c660034, 0x9342010a, 0x3c030049, 0xafa40014, 0x00021600, - 0x00431025, 0x00451025, 0xafa20010, 0x9343010b, 0xafa30018, 0x8f440100, - 0x0e00159b, 0x8f450104, 0x8fbf0054, 0x8fbe0050, 0x8fb7004c, 0x8fb60048, - 0x8fb50044, 0x8fb40040, 0x8fb3003c, 0x8fb20038, 0x8fb10034, 0x8fb00030, - 0x03e00008, 0x27bd0058, 0x03e00008, 0x00001021, 0x3c020800, 0x24435880, - 0x8c650004, 0x8c445880, 0x0085182b, 0x10600002, 0x00403021, 0x00802821, - 0x9744093c, 0x00a4102b, 0x54400001, 0x00a02021, 0x93420923, 0x0004182b, - 0x00021042, 0x30420001, 0x00431024, 0x1040000d, 0x24c25880, 0x8f850000, - 0x8f830020, 0x8ca20084, 0x00431023, 0x04420007, 0x24c25880, 0x8ca20084, - 0x00641821, 0x00431023, 0x28420001, 0x00822023, 0x24c25880, 0xac440008, - 0xa4400026, 0x03e00008, 0x00001021, 0x8f850004, 0x97840010, 0x3c030800, - 0x24635880, 0x24020008, 0xa4620012, 0x8f820004, 0xa4600010, 0x000420c2, - 0x30840008, 0x2c420001, 0x00021023, 0x30420006, 0xac650008, 0x03e00008, - 0xa0640024, 0x3c020800, 0x24425880, 0x90450025, 0x9443001c, 0x3c021100, - 0xac800004, 0x00052c00, 0x24630002, 0x00621825, 0x00a32825, 0x24820008, - 0x03e00008, 0xac850000, 0x27bdffd8, 0x3c020800, 0x24425880, 0xafbf0020, - 0x90480025, 0x8c440008, 0x8c460020, 0x8f870020, 0x3c030800, 0x3c058000, - 0x8f420178, 0x00451024, 0x1440fffd, 0x8c6258b0, 0x246358b0, 0x2469ffd0, - 0xaf420144, 0x8d220034, 0x30c32000, 0xaf420148, 0x3c021000, 0xaf47014c, - 0xa3480152, 0xa7440158, 0xaf460154, 0xaf420178, 0x10600004, 0x3c030800, - 0x8c620030, 0x24420001, 0xac620030, 0x9342010a, 0x00081c00, 0x3084ffff, - 0xafa60014, 0x00021600, 0x00431025, 0x00441025, 0xafa20010, 0x9343010b, - 0xafa30018, 0x8f440100, 0x8f450104, 0x0e00159b, 0x8d260034, 0x8fbf0020, - 0x03e00008, 0x27bd0028, 0x0000000d, 0x00000000, 0x2400019d, 0x03e00008, - 0x00000000, 0x0000000d, 0x00000000, 0x240001a9, 0x03e00008, 0x00000000, - 0x03e00008, 0x00000000, 0x3c020800, 0x24425880, 0xac400008, 0xa4400026, - 0x03e00008, 0x24020001, 0x3c020800, 0x24425880, 0x24030008, 0xac400008, - 0xa4400010, 0xa4430012, 0xa0400024, 0x03e00008, 0x24020004, 0x03e00008, - 0x00001021, 0x10c00007, 0x00000000, 0x8ca20000, 0x24c6ffff, 0x24a50004, - 0xac820000, 0x14c0fffb, 0x24840004, 0x03e00008, 0x00000000, 0x0a00156c, - 0x00a01021, 0xac860000, 0x00000000, 0x00000000, 0x24840004, 0x00a01021, - 0x1440fffa, 0x24a5ffff, 0x03e00008, 0x00000000, 0x3c0a0800, 0x8d490068, - 0x3c050800, 0x24a52098, 0x00093140, 0x00c51021, 0xac440000, 0x8f440e04, - 0x00a61021, 0xac440004, 0x97430e08, 0x97420e0c, 0x00a62021, 0x00031c00, - 0x00431025, 0xac820008, 0x8f430e10, 0x00801021, 0xac43000c, 0x8f440e14, - 0xac440010, 0x8f430e18, 0x3c0800ff, 0xac430014, 0x8f470e1c, 0x3508ffff, - 0x25290001, 0xac470018, 0x3c070800, 0x8ce3006c, 0x9344010a, 0x3c026000, - 0x24630001, 0xace3006c, 0x8c434448, 0x3129007f, 0x00a62821, 0xad490068, - 0x00042600, 0x00681824, 0x00832025, 0x03e00008, 0xaca4001c, 0x8fac0010, - 0x8fad0014, 0x8fae0018, 0x3c0b0800, 0x8d6a0060, 0x3c080800, 0x25080080, - 0x000a4940, 0x01281021, 0x01091821, 0xac440000, 0x00601021, 0xac650004, - 0xac460008, 0xac67000c, 0xac4c0010, 0xac6d0014, 0x3c036000, 0xac4e0018, - 0x8c654448, 0x3c040800, 0x8c820064, 0x254a0001, 0x314a00ff, 0x01094021, - 0xad6a0060, 0x24420001, 0xac820064, 0x03e00008, 0xad05001c, 0x3c030800, - 0x3c090800, 0x8d250070, 0x246330b0, 0x8f460100, 0x00053900, 0x00e31021, - 0xac460000, 0x8f440104, 0x00671021, 0xac440004, 0x8f460108, 0x8f840014, - 0x24a50001, 0xac460008, 0x8c880074, 0x3c060800, 0x8cc20074, 0x30a5003f, - 0x00671821, 0xad250070, 0x24420001, 0xacc20074, 0x03e00008, 0xac68000c, - 0x00000000 }; +static u8 bnx2_TXP_b06FwText[] = { + 0x1f, 0x8b, 0x08, 0x08, 0x21, 0xd3, 0x41, 0x44, 0x00, 0x03, 0x74, 0x65, + 0x73, 0x74, 0x31, 0x2e, 0x62, 0x69, 0x6e, 0x00, 0xed, 0x5c, 0x6d, 0x6c, + 0x1b, 0xf7, 0x79, 0x7f, 0xee, 0x85, 0xd2, 0x51, 0x96, 0xe9, 0x93, 0xc2, + 0x78, 0x6c, 0xc0, 0xa6, 0x77, 0xd6, 0x51, 0x66, 0x20, 0xb5, 0xa0, 0x05, + 0x36, 0x55, 0x87, 0x43, 0x73, 0x3e, 0x52, 0x2f, 0x4e, 0x5c, 0x57, 0x71, + 0x94, 0x86, 0x6e, 0x0d, 0x8c, 0xa0, 0xec, 0xd8, 0xeb, 0x5a, 0x2c, 0x1f, + 0x8c, 0xd5, 0x68, 0xd1, 0x99, 0xa1, 0x68, 0xc7, 0xc9, 0x68, 0x51, 0xa9, + 0xe5, 0xa8, 0x43, 0x57, 0x80, 0x95, 0x64, 0xcb, 0x29, 0x4e, 0x3a, 0x65, + 0xcb, 0x16, 0x0c, 0x58, 0x16, 0xcd, 0x2f, 0x5d, 0x3f, 0x74, 0x80, 0x3f, + 0xec, 0x43, 0x3a, 0xec, 0x83, 0x91, 0x14, 0xad, 0x11, 0x6c, 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0x99, 0xa4, 0x95, 0x66, 0x8a, 0x56, 0xa1, 0x1f, + 0xdb, 0xcc, 0x32, 0x7d, 0x03, 0x78, 0x2b, 0x66, 0x95, 0x94, 0x8c, 0xb5, + 0xaf, 0x0b, 0x78, 0x67, 0x05, 0x3d, 0x15, 0x17, 0x18, 0x77, 0x5d, 0x2d, + 0x03, 0x6f, 0xd6, 0xd1, 0x51, 0xa7, 0x9b, 0x8e, 0x61, 0xed, 0x7e, 0xe4, + 0x1f, 0xdf, 0x72, 0xa8, 0x2c, 0x99, 0x29, 0x3a, 0x80, 0xf3, 0x8e, 0x36, + 0x38, 0x57, 0x3b, 0x02, 0x5f, 0x23, 0xd0, 0xa3, 0x19, 0x8f, 0x1e, 0xdd, + 0xa3, 0x5b, 0x71, 0x01, 0x7b, 0xae, 0xb0, 0x9e, 0xa0, 0xdf, 0x09, 0xce, + 0x8d, 0xad, 0xf8, 0xba, 0x08, 0x7f, 0xfa, 0x0c, 0x65, 0xce, 0xad, 0xe5, + 0xa6, 0x90, 0x9f, 0x8f, 0x36, 0xe9, 0x8b, 0x31, 0x9c, 0xf7, 0x36, 0xf8, + 0x34, 0xea, 0xc8, 0x02, 0xf3, 0xe9, 0x58, 0xc0, 0x27, 0x8c, 0xf1, 0xb7, + 0x23, 0xce, 0xd1, 0xf8, 0xec, 0x13, 0x74, 0xb6, 0xc1, 0x77, 0xdd, 0x27, + 0xe8, 0x4a, 0xe3, 0x11, 0xba, 0x98, 0xe3, 0x5c, 0x07, 0xfb, 0xf8, 0x67, + 0xa0, 0xcf, 0x3f, 0xa3, 0x9b, 0x8e, 0xfb, 0x72, 0xfa, 0x3f, 0xc3, 0x06, + 0xd0, 0x70, 0x4c, 0x57, 0x00, 0x00, 0x00 }; static u32 bnx2_TXP_b06FwData[(0x0/4) + 1] = { 0x0 }; static u32 bnx2_TXP_b06FwRodata[(0x0/4) + 1] = { 0x0 }; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 55d236726d11..8171cae06688 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1199,8 +1199,7 @@ int bond_sethwaddr(struct net_device *bond_dev, struct net_device *slave_dev) } #define BOND_INTERSECT_FEATURES \ - (NETIF_F_SG|NETIF_F_IP_CSUM|NETIF_F_NO_CSUM|NETIF_F_HW_CSUM|\ - NETIF_F_TSO|NETIF_F_UFO) + (NETIF_F_SG | NETIF_F_ALL_CSUM | NETIF_F_TSO | NETIF_F_UFO) /* * Compute the common dev->feature set available to all slaves. Some @@ -1218,9 +1217,7 @@ static int bond_compute_features(struct bonding *bond) features &= (slave->dev->features & BOND_INTERSECT_FEATURES); if ((features & NETIF_F_SG) && - !(features & (NETIF_F_IP_CSUM | - NETIF_F_NO_CSUM | - NETIF_F_HW_CSUM))) + !(features & NETIF_F_ALL_CSUM)) features &= ~NETIF_F_SG; /* @@ -4191,7 +4188,7 @@ static int bond_init(struct net_device *bond_dev, struct bond_params *params) */ bond_dev->features |= NETIF_F_VLAN_CHALLENGED; - /* don't acquire bond device's xmit_lock when + /* don't acquire bond device's netif_tx_lock when * transmitting */ bond_dev->features |= NETIF_F_LLTX; diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c index ac48f7543500..39f36aa05aa8 100644 --- a/drivers/net/cassini.c +++ b/drivers/net/cassini.c @@ -4877,7 +4877,7 @@ static int __devinit cas_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { static int cas_version_printed = 0; - unsigned long casreg_base, casreg_len; + unsigned long casreg_len; struct net_device *dev; struct cas *cp; int i, err, pci_using_dac; @@ -4972,7 +4972,6 @@ static int __devinit cas_init_one(struct pci_dev *pdev, pci_using_dac = 0; } - casreg_base = pci_resource_start(pdev, 0); casreg_len = pci_resource_len(pdev, 0); cp = netdev_priv(dev); @@ -5024,7 +5023,7 @@ static int __devinit cas_init_one(struct pci_dev *pdev, cp->timer_ticks = 0; /* give us access to cassini registers */ - cp->regs = ioremap(casreg_base, casreg_len); + cp->regs = pci_iomap(pdev, 0, casreg_len); if (cp->regs == 0UL) { printk(KERN_ERR PFX "Cannot map device registers, " "aborting.\n"); @@ -5123,7 +5122,7 @@ err_out_iounmap: cas_shutdown(cp); mutex_unlock(&cp->pm_mutex); - iounmap(cp->regs); + pci_iounmap(pdev, cp->regs); err_out_free_res: @@ -5171,7 +5170,7 @@ static void __devexit cas_remove_one(struct pci_dev *pdev) #endif pci_free_consistent(pdev, sizeof(struct cas_init_block), cp->init_block, cp->block_dvma); - iounmap(cp->regs); + pci_iounmap(pdev, cp->regs); free_netdev(dev); pci_release_regions(pdev); pci_disable_device(pdev); diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 31ac001f5517..f37170cc1a37 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -2780,6 +2780,80 @@ static void e100_shutdown(struct pci_dev *pdev) DPRINTK(PROBE,ERR, "Error enabling wake\n"); } +/* ------------------ PCI Error Recovery infrastructure -------------- */ +/** + * e100_io_error_detected - called when PCI error is detected. + * @pdev: Pointer to PCI device + * @state: The current pci conneection state + */ +static pci_ers_result_t e100_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + + /* Similar to calling e100_down(), but avoids adpater I/O. */ + netdev->stop(netdev); + + /* Detach; put netif into state similar to hotplug unplug. */ + netif_poll_enable(netdev); + netif_device_detach(netdev); + + /* Request a slot reset. */ + return PCI_ERS_RESULT_NEED_RESET; +} + +/** + * e100_io_slot_reset - called after the pci bus has been reset. + * @pdev: Pointer to PCI device + * + * Restart the card from scratch. + */ +static pci_ers_result_t e100_io_slot_reset(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct nic *nic = netdev_priv(netdev); + + if (pci_enable_device(pdev)) { + printk(KERN_ERR "e100: Cannot re-enable PCI device after reset.\n"); + return PCI_ERS_RESULT_DISCONNECT; + } + pci_set_master(pdev); + + /* Only one device per card can do a reset */ + if (0 != PCI_FUNC(pdev->devfn)) + return PCI_ERS_RESULT_RECOVERED; + e100_hw_reset(nic); + e100_phy_init(nic); + + return PCI_ERS_RESULT_RECOVERED; +} + +/** + * e100_io_resume - resume normal operations + * @pdev: Pointer to PCI device + * + * Resume normal operations after an error recovery + * sequence has been completed. + */ +static void e100_io_resume(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct nic *nic = netdev_priv(netdev); + + /* ack any pending wake events, disable PME */ + pci_enable_wake(pdev, 0, 0); + + netif_device_attach(netdev); + if (netif_running(netdev)) { + e100_open(netdev); + mod_timer(&nic->watchdog, jiffies); + } +} + +static struct pci_error_handlers e100_err_handler = { + .error_detected = e100_io_error_detected, + .slot_reset = e100_io_slot_reset, + .resume = e100_io_resume, +}; static struct pci_driver e100_driver = { .name = DRV_NAME, @@ -2791,6 +2865,7 @@ static struct pci_driver e100_driver = { .resume = e100_resume, #endif .shutdown = e100_shutdown, + .err_handler = &e100_err_handler, }; static int __init e100_init_module(void) diff --git a/drivers/net/e1000/Makefile b/drivers/net/e1000/Makefile index ca9f89552da3..5dea2b7dea4d 100644 --- a/drivers/net/e1000/Makefile +++ b/drivers/net/e1000/Makefile @@ -1,7 +1,7 @@ ################################################################################ # # -# Copyright(c) 1999 - 2003 Intel Corporation. All rights reserved. +# Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. # # This program is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free @@ -22,6 +22,7 @@ # # Contact Information: # Linux NICS <linux.nics@intel.com> +# e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> # Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 # ################################################################################ diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h index 281de41d030a..2bc34fbfa69c 100644 --- a/drivers/net/e1000/e1000.h +++ b/drivers/net/e1000/e1000.h @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -22,6 +22,7 @@ Contact Information: Linux NICS <linux.nics@intel.com> + e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 *******************************************************************************/ @@ -114,6 +115,8 @@ struct e1000_adapter; /* Supported Rx Buffer Sizes */ #define E1000_RXBUFFER_128 128 /* Used for packet split */ #define E1000_RXBUFFER_256 256 /* Used for packet split */ +#define E1000_RXBUFFER_512 512 +#define E1000_RXBUFFER_1024 1024 #define E1000_RXBUFFER_2048 2048 #define E1000_RXBUFFER_4096 4096 #define E1000_RXBUFFER_8192 8192 @@ -334,7 +337,6 @@ struct e1000_adapter { boolean_t have_msi; #endif /* to not mess up cache alignment, always add to the bottom */ - boolean_t txb2b; #ifdef NETIF_F_TSO boolean_t tso_force; #endif diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index d1c705b412c2..6ed7f599eba3 100644 --- a/drivers/net/e1000/e1000_ethtool.c +++ b/drivers/net/e1000/e1000_ethtool.c @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -22,6 +22,7 @@ Contact Information: Linux NICS <linux.nics@intel.com> + e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 *******************************************************************************/ @@ -864,8 +865,8 @@ static int e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data) { struct net_device *netdev = adapter->netdev; - uint32_t mask, i=0, shared_int = TRUE; - uint32_t irq = adapter->pdev->irq; + uint32_t mask, i=0, shared_int = TRUE; + uint32_t irq = adapter->pdev->irq; *data = 0; @@ -891,22 +892,22 @@ e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data) /* Interrupt to test */ mask = 1 << i; - if (!shared_int) { - /* Disable the interrupt to be reported in - * the cause register and then force the same - * interrupt and see if one gets posted. If - * an interrupt was posted to the bus, the - * test failed. - */ - adapter->test_icr = 0; - E1000_WRITE_REG(&adapter->hw, IMC, mask); - E1000_WRITE_REG(&adapter->hw, ICS, mask); - msec_delay(10); - - if (adapter->test_icr & mask) { - *data = 3; - break; - } + if (!shared_int) { + /* Disable the interrupt to be reported in + * the cause register and then force the same + * interrupt and see if one gets posted. If + * an interrupt was posted to the bus, the + * test failed. + */ + adapter->test_icr = 0; + E1000_WRITE_REG(&adapter->hw, IMC, mask); + E1000_WRITE_REG(&adapter->hw, ICS, mask); + msec_delay(10); + + if (adapter->test_icr & mask) { + *data = 3; + break; + } } /* Enable the interrupt to be reported in @@ -925,7 +926,7 @@ e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data) break; } - if (!shared_int) { + if (!shared_int) { /* Disable the other interrupts to be reported in * the cause register and then force the other * interrupts and see if any get posted. If diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 523c2c9fc0ac..3959039b16ec 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -22,6 +22,7 @@ Contact Information: Linux NICS <linux.nics@intel.com> + e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 *******************************************************************************/ @@ -764,7 +765,7 @@ e1000_init_hw(struct e1000_hw *hw) } if (hw->mac_type == e1000_82573) { - e1000_enable_tx_pkt_filtering(hw); + e1000_enable_tx_pkt_filtering(hw); } switch (hw->mac_type) { @@ -860,7 +861,7 @@ e1000_adjust_serdes_amplitude(struct e1000_hw *hw) if(eeprom_data != EEPROM_RESERVED_WORD) { /* Adjust SERDES output amplitude only. */ - eeprom_data &= EEPROM_SERDES_AMPLITUDE_MASK; + eeprom_data &= EEPROM_SERDES_AMPLITUDE_MASK; ret_val = e1000_write_phy_reg(hw, M88E1000_PHY_EXT_CTRL, eeprom_data); if(ret_val) return ret_val; @@ -1227,7 +1228,7 @@ e1000_copper_link_igp_setup(struct e1000_hw *hw) if (hw->phy_reset_disable) return E1000_SUCCESS; - + ret_val = e1000_phy_reset(hw); if (ret_val) { DEBUGOUT("Error Resetting the PHY\n"); @@ -1369,7 +1370,7 @@ e1000_copper_link_ggp_setup(struct e1000_hw *hw) DEBUGFUNC("e1000_copper_link_ggp_setup"); if(!hw->phy_reset_disable) { - + /* Enable CRS on TX for half-duplex operation. */ ret_val = e1000_read_phy_reg(hw, GG82563_PHY_MAC_SPEC_CTRL, &phy_data); @@ -1518,7 +1519,7 @@ e1000_copper_link_mgp_setup(struct e1000_hw *hw) if(hw->phy_reset_disable) return E1000_SUCCESS; - + /* Enable CRS on TX. This must be set for half-duplex operation. */ ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); if(ret_val) @@ -1664,7 +1665,7 @@ e1000_copper_link_autoneg(struct e1000_hw *hw) * collision distance in the Transmit Control Register. * 2) Set up flow control on the MAC to that established with * the link partner. -* 3) Config DSP to improve Gigabit link quality for some PHY revisions. +* 3) Config DSP to improve Gigabit link quality for some PHY revisions. * * hw - Struct containing variables accessed by shared code ******************************************************************************/ @@ -1673,7 +1674,7 @@ e1000_copper_link_postconfig(struct e1000_hw *hw) { int32_t ret_val; DEBUGFUNC("e1000_copper_link_postconfig"); - + if(hw->mac_type >= e1000_82544) { e1000_config_collision_dist(hw); } else { @@ -1697,7 +1698,7 @@ e1000_copper_link_postconfig(struct e1000_hw *hw) return ret_val; } } - + return E1000_SUCCESS; } @@ -1753,11 +1754,11 @@ e1000_setup_copper_link(struct e1000_hw *hw) } if(hw->autoneg) { - /* Setup autoneg and flow control advertisement - * and perform autonegotiation */ + /* Setup autoneg and flow control advertisement + * and perform autonegotiation */ ret_val = e1000_copper_link_autoneg(hw); if(ret_val) - return ret_val; + return ret_val; } else { /* PHY will be set to 10H, 10F, 100H,or 100F * depending on value from forced_speed_duplex. */ @@ -1785,7 +1786,7 @@ e1000_setup_copper_link(struct e1000_hw *hw) ret_val = e1000_copper_link_postconfig(hw); if(ret_val) return ret_val; - + DEBUGOUT("Valid link established!!!\n"); return E1000_SUCCESS; } @@ -1983,7 +1984,7 @@ e1000_phy_setup_autoneg(struct e1000_hw *hw) DEBUGOUT1("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg); - ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg); + ret_val = e1000_write_phy_reg(hw, PHY_1000T_CTRL, mii_1000t_ctrl_reg); if(ret_val) return ret_val; @@ -2272,7 +2273,7 @@ e1000_config_mac_to_phy(struct e1000_hw *hw) DEBUGFUNC("e1000_config_mac_to_phy"); - /* 82544 or newer MAC, Auto Speed Detection takes care of + /* 82544 or newer MAC, Auto Speed Detection takes care of * MAC speed/duplex configuration.*/ if (hw->mac_type >= e1000_82544) return E1000_SUCCESS; @@ -2291,9 +2292,9 @@ e1000_config_mac_to_phy(struct e1000_hw *hw) if(ret_val) return ret_val; - if(phy_data & M88E1000_PSSR_DPLX) + if(phy_data & M88E1000_PSSR_DPLX) ctrl |= E1000_CTRL_FD; - else + else ctrl &= ~E1000_CTRL_FD; e1000_config_collision_dist(hw); @@ -2492,10 +2493,10 @@ e1000_config_fc_after_link_up(struct e1000_hw *hw) */ if(hw->original_fc == e1000_fc_full) { hw->fc = e1000_fc_full; - DEBUGOUT("Flow Control = FULL.\r\n"); + DEBUGOUT("Flow Control = FULL.\n"); } else { hw->fc = e1000_fc_rx_pause; - DEBUGOUT("Flow Control = RX PAUSE frames only.\r\n"); + DEBUGOUT("Flow Control = RX PAUSE frames only.\n"); } } /* For receiving PAUSE frames ONLY. @@ -2511,7 +2512,7 @@ e1000_config_fc_after_link_up(struct e1000_hw *hw) (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) && (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) { hw->fc = e1000_fc_tx_pause; - DEBUGOUT("Flow Control = TX PAUSE frames only.\r\n"); + DEBUGOUT("Flow Control = TX PAUSE frames only.\n"); } /* For transmitting PAUSE frames ONLY. * @@ -2526,7 +2527,7 @@ e1000_config_fc_after_link_up(struct e1000_hw *hw) !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) && (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) { hw->fc = e1000_fc_rx_pause; - DEBUGOUT("Flow Control = RX PAUSE frames only.\r\n"); + DEBUGOUT("Flow Control = RX PAUSE frames only.\n"); } /* Per the IEEE spec, at this point flow control should be * disabled. However, we want to consider that we could @@ -2552,10 +2553,10 @@ e1000_config_fc_after_link_up(struct e1000_hw *hw) hw->original_fc == e1000_fc_tx_pause) || hw->fc_strict_ieee) { hw->fc = e1000_fc_none; - DEBUGOUT("Flow Control = NONE.\r\n"); + DEBUGOUT("Flow Control = NONE.\n"); } else { hw->fc = e1000_fc_rx_pause; - DEBUGOUT("Flow Control = RX PAUSE frames only.\r\n"); + DEBUGOUT("Flow Control = RX PAUSE frames only.\n"); } /* Now we need to do one last check... If we auto- @@ -2580,7 +2581,7 @@ e1000_config_fc_after_link_up(struct e1000_hw *hw) return ret_val; } } else { - DEBUGOUT("Copper PHY and Auto Neg has not completed.\r\n"); + DEBUGOUT("Copper PHY and Auto Neg has not completed.\n"); } } return E1000_SUCCESS; @@ -2763,7 +2764,7 @@ e1000_check_for_link(struct e1000_hw *hw) hw->autoneg_failed = 1; return 0; } - DEBUGOUT("NOT RXing /C/, disable AutoNeg and force link.\r\n"); + DEBUGOUT("NOT RXing /C/, disable AutoNeg and force link.\n"); /* Disable auto-negotiation in the TXCW register */ E1000_WRITE_REG(hw, TXCW, (hw->txcw & ~E1000_TXCW_ANE)); @@ -2788,7 +2789,7 @@ e1000_check_for_link(struct e1000_hw *hw) else if(((hw->media_type == e1000_media_type_fiber) || (hw->media_type == e1000_media_type_internal_serdes)) && (ctrl & E1000_CTRL_SLU) && (rxcw & E1000_RXCW_C)) { - DEBUGOUT("RXing /C/, enable AutoNeg and stop forcing link.\r\n"); + DEBUGOUT("RXing /C/, enable AutoNeg and stop forcing link.\n"); E1000_WRITE_REG(hw, TXCW, hw->txcw); E1000_WRITE_REG(hw, CTRL, (ctrl & ~E1000_CTRL_SLU)); @@ -2851,13 +2852,13 @@ e1000_get_speed_and_duplex(struct e1000_hw *hw, if(status & E1000_STATUS_FD) { *duplex = FULL_DUPLEX; - DEBUGOUT("Full Duplex\r\n"); + DEBUGOUT("Full Duplex\n"); } else { *duplex = HALF_DUPLEX; - DEBUGOUT(" Half Duplex\r\n"); + DEBUGOUT(" Half Duplex\n"); } } else { - DEBUGOUT("1000 Mbs, Full Duplex\r\n"); + DEBUGOUT("1000 Mbs, Full Duplex\n"); *speed = SPEED_1000; *duplex = FULL_DUPLEX; } @@ -2883,7 +2884,7 @@ e1000_get_speed_and_duplex(struct e1000_hw *hw, } } - if ((hw->mac_type == e1000_80003es2lan) && + if ((hw->mac_type == e1000_80003es2lan) && (hw->media_type == e1000_media_type_copper)) { if (*speed == SPEED_1000) ret_val = e1000_configure_kmrn_for_1000(hw); @@ -3159,7 +3160,7 @@ e1000_read_phy_reg(struct e1000_hw *hw, if (e1000_swfw_sync_acquire(hw, swfw)) return -E1000_ERR_SWFW_SYNC; - if((hw->phy_type == e1000_phy_igp || + if((hw->phy_type == e1000_phy_igp || hw->phy_type == e1000_phy_igp_2) && (reg_addr > MAX_PHY_MULTI_PAGE_REG)) { ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT, @@ -3298,7 +3299,7 @@ e1000_write_phy_reg(struct e1000_hw *hw, if (e1000_swfw_sync_acquire(hw, swfw)) return -E1000_ERR_SWFW_SYNC; - if((hw->phy_type == e1000_phy_igp || + if((hw->phy_type == e1000_phy_igp || hw->phy_type == e1000_phy_igp_2) && (reg_addr > MAX_PHY_MULTI_PAGE_REG)) { ret_val = e1000_write_phy_reg_ex(hw, IGP01E1000_PHY_PAGE_SELECT, @@ -3496,22 +3497,22 @@ e1000_phy_hw_reset(struct e1000_hw *hw) } /* Read the device control register and assert the E1000_CTRL_PHY_RST * bit. Then, take it out of reset. - * For pre-e1000_82571 hardware, we delay for 10ms between the assert + * For pre-e1000_82571 hardware, we delay for 10ms between the assert * and deassert. For e1000_82571 hardware and later, we instead delay * for 50us between and 10ms after the deassertion. */ ctrl = E1000_READ_REG(hw, CTRL); E1000_WRITE_REG(hw, CTRL, ctrl | E1000_CTRL_PHY_RST); E1000_WRITE_FLUSH(hw); - - if (hw->mac_type < e1000_82571) + + if (hw->mac_type < e1000_82571) msec_delay(10); else udelay(100); - + E1000_WRITE_REG(hw, CTRL, ctrl); E1000_WRITE_FLUSH(hw); - + if (hw->mac_type >= e1000_82571) msec_delay(10); e1000_swfw_sync_release(hw, swfw); @@ -3815,7 +3816,7 @@ e1000_phy_m88_get_info(struct e1000_hw *hw, /* Check polarity status */ ret_val = e1000_check_polarity(hw, &polarity); if(ret_val) - return ret_val; + return ret_val; phy_info->cable_polarity = polarity; ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); @@ -4540,14 +4541,14 @@ e1000_read_eeprom_eerd(struct e1000_hw *hw, E1000_WRITE_REG(hw, EERD, eerd); error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_READ); - + if(error) { break; } data[i] = (E1000_READ_REG(hw, EERD) >> E1000_EEPROM_RW_REG_DATA); - + } - + return error; } @@ -4573,24 +4574,24 @@ e1000_write_eeprom_eewr(struct e1000_hw *hw, return -E1000_ERR_SWFW_SYNC; for (i = 0; i < words; i++) { - register_value = (data[i] << E1000_EEPROM_RW_REG_DATA) | - ((offset+i) << E1000_EEPROM_RW_ADDR_SHIFT) | + register_value = (data[i] << E1000_EEPROM_RW_REG_DATA) | + ((offset+i) << E1000_EEPROM_RW_ADDR_SHIFT) | E1000_EEPROM_RW_REG_START; error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_WRITE); if(error) { break; - } + } E1000_WRITE_REG(hw, EEWR, register_value); - + error = e1000_poll_eerd_eewr_done(hw, E1000_EEPROM_POLL_WRITE); - + if(error) { break; - } + } } - + e1000_swfw_sync_release(hw, E1000_SWFW_EEP_SM); return error; } @@ -4610,7 +4611,7 @@ e1000_poll_eerd_eewr_done(struct e1000_hw *hw, int eerd) for(i = 0; i < attempts; i++) { if(eerd == E1000_EEPROM_POLL_READ) reg = E1000_READ_REG(hw, EERD); - else + else reg = E1000_READ_REG(hw, EEWR); if(reg & E1000_EEPROM_RW_REG_DONE) { @@ -5135,7 +5136,7 @@ e1000_mc_addr_list_update(struct e1000_hw *hw, uint32_t i; uint32_t num_rar_entry; uint32_t num_mta_entry; - + DEBUGFUNC("e1000_mc_addr_list_update"); /* Set the new number of MC addresses that we are being requested to use. */ @@ -6240,7 +6241,7 @@ e1000_check_polarity(struct e1000_hw *hw, * 1 - Downshift ocured. * * returns: - E1000_ERR_XXX - * E1000_SUCCESS + * E1000_SUCCESS * * For phy's older then IGP, this function reads the Downshift bit in the Phy * Specific Status register. For IGP phy's, it reads the Downgrade bit in the @@ -6255,7 +6256,7 @@ e1000_check_downshift(struct e1000_hw *hw) DEBUGFUNC("e1000_check_downshift"); - if(hw->phy_type == e1000_phy_igp || + if(hw->phy_type == e1000_phy_igp || hw->phy_type == e1000_phy_igp_2) { ret_val = e1000_read_phy_reg(hw, IGP01E1000_PHY_LINK_HEALTH, &phy_data); @@ -6684,8 +6685,8 @@ e1000_set_d0_lplu_state(struct e1000_hw *hw, } else { - - phy_data |= IGP02E1000_PM_D0_LPLU; + + phy_data |= IGP02E1000_PM_D0_LPLU; ret_val = e1000_write_phy_reg(hw, IGP02E1000_PHY_POWER_MGMT, phy_data); if (ret_val) return ret_val; @@ -6777,7 +6778,7 @@ int32_t e1000_host_if_read_cookie(struct e1000_hw * hw, uint8_t *buffer) { uint8_t i; - uint32_t offset = E1000_MNG_DHCP_COOKIE_OFFSET; + uint32_t offset = E1000_MNG_DHCP_COOKIE_OFFSET; uint8_t length = E1000_MNG_DHCP_COOKIE_LENGTH; length = (length >> 2); @@ -6796,7 +6797,7 @@ e1000_host_if_read_cookie(struct e1000_hw * hw, uint8_t *buffer) * and also checks whether the previous command is completed. * It busy waits in case of previous command is not completed. * - * returns: - E1000_ERR_HOST_INTERFACE_COMMAND in case if is not ready or + * returns: - E1000_ERR_HOST_INTERFACE_COMMAND in case if is not ready or * timeout * - E1000_SUCCESS for success. ****************************************************************************/ @@ -6820,7 +6821,7 @@ e1000_mng_enable_host_if(struct e1000_hw * hw) msec_delay_irq(1); } - if (i == E1000_MNG_DHCP_COMMAND_TIMEOUT) { + if (i == E1000_MNG_DHCP_COMMAND_TIMEOUT) { DEBUGOUT("Previous command timeout failed .\n"); return -E1000_ERR_HOST_INTERFACE_COMMAND; } diff --git a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h index 150e45e30f87..467c9ed944f8 100644 --- a/drivers/net/e1000/e1000_hw.h +++ b/drivers/net/e1000/e1000_hw.h @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -22,6 +22,7 @@ Contact Information: Linux NICS <linux.nics@intel.com> + e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 *******************************************************************************/ @@ -374,7 +375,7 @@ struct e1000_host_mng_dhcp_cookie{ }; #endif -int32_t e1000_mng_write_dhcp_info(struct e1000_hw *hw, uint8_t *buffer, +int32_t e1000_mng_write_dhcp_info(struct e1000_hw *hw, uint8_t *buffer, uint16_t length); boolean_t e1000_check_mng_mode(struct e1000_hw *hw); boolean_t e1000_enable_tx_pkt_filtering(struct e1000_hw *hw); @@ -1801,7 +1802,7 @@ struct e1000_hw { * value2 = [0..64512], default=4096 * value3 = [0..64512], default=0 */ - + #define E1000_PSRCTL_BSIZE0_MASK 0x0000007F #define E1000_PSRCTL_BSIZE1_MASK 0x00003F00 #define E1000_PSRCTL_BSIZE2_MASK 0x003F0000 diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 97e71a4fe8eb..a373ccb308d8 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -22,51 +22,13 @@ Contact Information: Linux NICS <linux.nics@intel.com> + e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 *******************************************************************************/ #include "e1000.h" -/* Change Log - * 7.0.33 3-Feb-2006 - * o Added another fix for the pass false carrier bit - * 7.0.32 24-Jan-2006 - * o Need to rebuild with noew version number for the pass false carrier - * fix in e1000_hw.c - * 7.0.30 18-Jan-2006 - * o fixup for tso workaround to disable it for pci-x - * o fix mem leak on 82542 - * o fixes for 10 Mb/s connections and incorrect stats - * 7.0.28 01/06/2006 - * o hardware workaround to only set "speed mode" bit for 1G link. - * 7.0.26 12/23/2005 - * o wake on lan support modified for device ID 10B5 - * o fix dhcp + vlan issue not making it to the iAMT firmware - * 7.0.24 12/9/2005 - * o New hardware support for the Gigabit NIC embedded in the south bridge - * o Fixes to the recycling logic (skb->tail) from IBM LTC - * 6.3.9 12/16/2005 - * o incorporate fix for recycled skbs from IBM LTC - * 6.3.7 11/18/2005 - * o Honor eeprom setting for enabling/disabling Wake On Lan - * 6.3.5 11/17/2005 - * o Fix memory leak in rx ring handling for PCI Express adapters - * 6.3.4 11/8/05 - * o Patch from Jesper Juhl to remove redundant NULL checks for kfree - * 6.3.2 9/20/05 - * o Render logic that sets/resets DRV_LOAD as inline functions to - * avoid code replication. If f/w is AMT then set DRV_LOAD only when - * network interface is open. - * o Handle DRV_LOAD set/reset in cases where AMT uses VLANs. - * o Adjust PBA partioning for Jumbo frames using MTU size and not - * rx_buffer_len - * 6.3.1 9/19/05 - * o Use adapter->tx_timeout_factor in Tx Hung Detect logic - * (e1000_clean_tx_irq) - * o Support for 8086:10B5 device (Quad Port) - */ - char e1000_driver_name[] = "e1000"; static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver"; #ifndef CONFIG_E1000_NAPI @@ -74,9 +36,9 @@ static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver"; #else #define DRIVERNAPI "-NAPI" #endif -#define DRV_VERSION "7.0.33-k2"DRIVERNAPI +#define DRV_VERSION "7.0.38-k4"DRIVERNAPI char e1000_driver_version[] = DRV_VERSION; -static char e1000_copyright[] = "Copyright (c) 1999-2005 Intel Corporation."; +static char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation."; /* e1000_pci_tbl - PCI Device ID Table * @@ -208,8 +170,8 @@ static void e1000_leave_82542_rst(struct e1000_adapter *adapter); static void e1000_tx_timeout(struct net_device *dev); static void e1000_reset_task(struct net_device *dev); static void e1000_smartspeed(struct e1000_adapter *adapter); -static inline int e1000_82547_fifo_workaround(struct e1000_adapter *adapter, - struct sk_buff *skb); +static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter, + struct sk_buff *skb); static void e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp); static void e1000_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid); @@ -227,6 +189,16 @@ static void e1000_shutdown(struct pci_dev *pdev); static void e1000_netpoll (struct net_device *netdev); #endif +static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev, + pci_channel_state_t state); +static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev); +static void e1000_io_resume(struct pci_dev *pdev); + +static struct pci_error_handlers e1000_err_handler = { + .error_detected = e1000_io_error_detected, + .slot_reset = e1000_io_slot_reset, + .resume = e1000_io_resume, +}; static struct pci_driver e1000_driver = { .name = e1000_driver_name, @@ -238,7 +210,8 @@ static struct pci_driver e1000_driver = { .suspend = e1000_suspend, .resume = e1000_resume, #endif - .shutdown = e1000_shutdown + .shutdown = e1000_shutdown, + .err_handler = &e1000_err_handler }; MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>"); @@ -293,7 +266,7 @@ module_exit(e1000_exit_module); * @adapter: board private structure **/ -static inline void +static void e1000_irq_disable(struct e1000_adapter *adapter) { atomic_inc(&adapter->irq_sem); @@ -307,7 +280,7 @@ e1000_irq_disable(struct e1000_adapter *adapter) * @adapter: board private structure **/ -static inline void +static void e1000_irq_enable(struct e1000_adapter *adapter) { if (likely(atomic_dec_and_test(&adapter->irq_sem))) { @@ -348,10 +321,10 @@ e1000_update_mng_vlan(struct e1000_adapter *adapter) * For ASF and Pass Through versions of f/w this means that the * driver is no longer loaded. For AMT version (only with 82573) i * of the f/w this means that the netowrk i/f is closed. - * + * **/ -static inline void +static void e1000_release_hw_control(struct e1000_adapter *adapter) { uint32_t ctrl_ext; @@ -361,6 +334,7 @@ e1000_release_hw_control(struct e1000_adapter *adapter) switch (adapter->hw.mac_type) { case e1000_82571: case e1000_82572: + case e1000_80003es2lan: ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT); E1000_WRITE_REG(&adapter->hw, CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD); @@ -379,13 +353,13 @@ e1000_release_hw_control(struct e1000_adapter *adapter) * @adapter: address of board private structure * * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit. - * For ASF and Pass Through versions of f/w this means that - * the driver is loaded. For AMT version (only with 82573) + * For ASF and Pass Through versions of f/w this means that + * the driver is loaded. For AMT version (only with 82573) * of the f/w this means that the netowrk i/f is open. - * + * **/ -static inline void +static void e1000_get_hw_control(struct e1000_adapter *adapter) { uint32_t ctrl_ext; @@ -394,6 +368,7 @@ e1000_get_hw_control(struct e1000_adapter *adapter) switch (adapter->hw.mac_type) { case e1000_82571: case e1000_82572: + case e1000_80003es2lan: ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT); E1000_WRITE_REG(&adapter->hw, CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD); @@ -421,7 +396,7 @@ e1000_up(struct e1000_adapter *adapter) uint16_t mii_reg; e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &mii_reg); if (mii_reg & MII_CR_POWER_DOWN) - e1000_phy_reset(&adapter->hw); + e1000_phy_hw_reset(&adapter->hw); } e1000_set_multi(netdev); @@ -711,8 +686,8 @@ e1000_probe(struct pci_dev *pdev, DPRINTK(PROBE, INFO, "PHY reset is blocked due to SOL/IDER session.\n"); /* if ksp3, indicate if it's port a being setup */ - if (pdev->device == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3 && - e1000_ksp3_port_a == 0) + if (pdev->device == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3 && + e1000_ksp3_port_a == 0) adapter->ksp3_port_a = 1; e1000_ksp3_port_a++; /* Reset for multiple KP3 adapters */ @@ -740,9 +715,9 @@ e1000_probe(struct pci_dev *pdev, if (pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; - /* hard_start_xmit is safe against parallel locking */ - netdev->features |= NETIF_F_LLTX; - + /* hard_start_xmit is safe against parallel locking */ + netdev->features |= NETIF_F_LLTX; + adapter->en_mng_pt = e1000_enable_mng_pass_thru(&adapter->hw); /* before reading the EEPROM, reset the controller to @@ -972,8 +947,8 @@ e1000_sw_init(struct e1000_adapter *adapter) pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word); - adapter->rx_buffer_len = E1000_RXBUFFER_2048; - adapter->rx_ps_bsize0 = E1000_RXBUFFER_256; + adapter->rx_buffer_len = MAXIMUM_ETHERNET_FRAME_SIZE; + adapter->rx_ps_bsize0 = E1000_RXBUFFER_128; hw->max_frame_size = netdev->mtu + ENET_HEADER_SIZE + ETHERNET_FCS_SIZE; hw->min_frame_size = MINIMUM_ETHERNET_FRAME_SIZE; @@ -1181,7 +1156,7 @@ e1000_close(struct net_device *netdev) * @start: address of beginning of memory * @len: length of memory **/ -static inline boolean_t +static boolean_t e1000_check_64k_bound(struct e1000_adapter *adapter, void *start, unsigned long len) { @@ -1599,14 +1574,21 @@ e1000_setup_rctl(struct e1000_adapter *adapter) rctl |= E1000_RCTL_LPE; /* Setup buffer sizes */ - if (adapter->hw.mac_type >= e1000_82571) { - /* We can now specify buffers in 1K increments. - * BSIZE and BSEX are ignored in this case. */ - rctl |= adapter->rx_buffer_len << 0x11; - } else { - rctl &= ~E1000_RCTL_SZ_4096; - rctl |= E1000_RCTL_BSEX; - switch (adapter->rx_buffer_len) { + rctl &= ~E1000_RCTL_SZ_4096; + rctl |= E1000_RCTL_BSEX; + switch (adapter->rx_buffer_len) { + case E1000_RXBUFFER_256: + rctl |= E1000_RCTL_SZ_256; + rctl &= ~E1000_RCTL_BSEX; + break; + case E1000_RXBUFFER_512: + rctl |= E1000_RCTL_SZ_512; + rctl &= ~E1000_RCTL_BSEX; + break; + case E1000_RXBUFFER_1024: + rctl |= E1000_RCTL_SZ_1024; + rctl &= ~E1000_RCTL_BSEX; + break; case E1000_RXBUFFER_2048: default: rctl |= E1000_RCTL_SZ_2048; @@ -1621,7 +1603,6 @@ e1000_setup_rctl(struct e1000_adapter *adapter) case E1000_RXBUFFER_16384: rctl |= E1000_RCTL_SZ_16384; break; - } } #ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT @@ -1715,7 +1696,7 @@ e1000_configure_rx(struct e1000_adapter *adapter) if (hw->mac_type >= e1000_82571) { ctrl_ext = E1000_READ_REG(hw, CTRL_EXT); /* Reset delay timers after every interrupt */ - ctrl_ext |= E1000_CTRL_EXT_CANC; + ctrl_ext |= E1000_CTRL_EXT_INT_TIMER_CLR; #ifdef CONFIG_E1000_NAPI /* Auto-Mask interrupts upon ICR read. */ ctrl_ext |= E1000_CTRL_EXT_IAME; @@ -1807,7 +1788,7 @@ e1000_free_all_tx_resources(struct e1000_adapter *adapter) e1000_free_tx_resources(adapter, &adapter->tx_ring[i]); } -static inline void +static void e1000_unmap_and_free_tx_resource(struct e1000_adapter *adapter, struct e1000_buffer *buffer_info) { @@ -2247,6 +2228,7 @@ e1000_watchdog_task(struct e1000_adapter *adapter) if (link) { if (!netif_carrier_ok(netdev)) { + boolean_t txb2b = 1; e1000_get_speed_and_duplex(&adapter->hw, &adapter->link_speed, &adapter->link_duplex); @@ -2260,23 +2242,22 @@ e1000_watchdog_task(struct e1000_adapter *adapter) * and adjust the timeout factor */ netdev->tx_queue_len = adapter->tx_queue_len; adapter->tx_timeout_factor = 1; - adapter->txb2b = 1; switch (adapter->link_speed) { case SPEED_10: - adapter->txb2b = 0; + txb2b = 0; netdev->tx_queue_len = 10; adapter->tx_timeout_factor = 8; break; case SPEED_100: - adapter->txb2b = 0; + txb2b = 0; netdev->tx_queue_len = 100; /* maybe add some timeout factor ? */ break; } - if ((adapter->hw.mac_type == e1000_82571 || + if ((adapter->hw.mac_type == e1000_82571 || adapter->hw.mac_type == e1000_82572) && - adapter->txb2b == 0) { + txb2b == 0) { #define SPEED_MODE_BIT (1 << 21) uint32_t tarc0; tarc0 = E1000_READ_REG(&adapter->hw, TARC0); @@ -2400,7 +2381,7 @@ e1000_watchdog_task(struct e1000_adapter *adapter) #define E1000_TX_FLAGS_VLAN_MASK 0xffff0000 #define E1000_TX_FLAGS_VLAN_SHIFT 16 -static inline int +static int e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, struct sk_buff *skb) { @@ -2422,7 +2403,7 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, hdr_len = ((skb->h.raw - skb->data) + (skb->h.th->doff << 2)); mss = skb_shinfo(skb)->tso_size; - if (skb->protocol == ntohs(ETH_P_IP)) { + if (skb->protocol == htons(ETH_P_IP)) { skb->nh.iph->tot_len = 0; skb->nh.iph->check = 0; skb->h.th->check = @@ -2480,7 +2461,7 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, return FALSE; } -static inline boolean_t +static boolean_t e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, struct sk_buff *skb) { @@ -2516,7 +2497,7 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, #define E1000_MAX_TXD_PWR 12 #define E1000_MAX_DATA_PER_TXD (1<<E1000_MAX_TXD_PWR) -static inline int +static int e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, struct sk_buff *skb, unsigned int first, unsigned int max_per_txd, unsigned int nr_frags, unsigned int mss) @@ -2625,7 +2606,7 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, return count; } -static inline void +static void e1000_tx_queue(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, int tx_flags, int count) { @@ -2689,7 +2670,7 @@ e1000_tx_queue(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring, #define E1000_FIFO_HDR 0x10 #define E1000_82547_PAD_LEN 0x3E0 -static inline int +static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter, struct sk_buff *skb) { uint32_t fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head; @@ -2716,7 +2697,7 @@ no_fifo_stall_required: } #define MINIMUM_DHCP_PACKET_SIZE 282 -static inline int +static int e1000_transfer_dhcp_info(struct e1000_adapter *adapter, struct sk_buff *skb) { struct e1000_hw *hw = &adapter->hw; @@ -2764,7 +2745,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) unsigned int nr_frags = 0; unsigned int mss = 0; int count = 0; - int tso; + int tso; unsigned int f; len -= skb->data_len; @@ -2777,7 +2758,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) #ifdef NETIF_F_TSO mss = skb_shinfo(skb)->tso_size; - /* The controller does a simple calculation to + /* The controller does a simple calculation to * make sure there is enough room in the FIFO before * initiating the DMA for each buffer. The calc is: * 4 = ceil(buffer len/mss). To make sure we don't @@ -2800,7 +2781,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) case e1000_82573: pull_size = min((unsigned int)4, skb->data_len); if (!__pskb_pull_tail(skb, pull_size)) { - printk(KERN_ERR + printk(KERN_ERR "__pskb_pull_tail failed.\n"); dev_kfree_skb_any(skb); return NETDEV_TX_OK; @@ -2901,7 +2882,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) /* Old method was to assume IPv4 packet by default if TSO was enabled. * 82571 hardware supports TSO capabilities for IPv6 as well... * no longer assume, we must. */ - if (likely(skb->protocol == ntohs(ETH_P_IP))) + if (likely(skb->protocol == htons(ETH_P_IP))) tx_flags |= E1000_TX_FLAGS_IPV4; e1000_tx_queue(adapter, tx_ring, tx_flags, @@ -2982,8 +2963,7 @@ e1000_change_mtu(struct net_device *netdev, int new_mtu) /* Adapter-specific max frame size limits. */ switch (adapter->hw.mac_type) { - case e1000_82542_rev2_0: - case e1000_82542_rev2_1: + case e1000_undefined ... e1000_82542_rev2_1: if (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE) { DPRINTK(PROBE, ERR, "Jumbo Frames not supported.\n"); return -EINVAL; @@ -3017,27 +2997,32 @@ e1000_change_mtu(struct net_device *netdev, int new_mtu) break; } - - if (adapter->hw.mac_type > e1000_82547_rev_2) { - adapter->rx_buffer_len = max_frame; - E1000_ROUNDUP(adapter->rx_buffer_len, 1024); - } else { - if(unlikely((adapter->hw.mac_type < e1000_82543) && - (max_frame > MAXIMUM_ETHERNET_FRAME_SIZE))) { - DPRINTK(PROBE, ERR, "Jumbo Frames not supported " - "on 82542\n"); - return -EINVAL; - } else { - if(max_frame <= E1000_RXBUFFER_2048) - adapter->rx_buffer_len = E1000_RXBUFFER_2048; - else if(max_frame <= E1000_RXBUFFER_4096) - adapter->rx_buffer_len = E1000_RXBUFFER_4096; - else if(max_frame <= E1000_RXBUFFER_8192) - adapter->rx_buffer_len = E1000_RXBUFFER_8192; - else if(max_frame <= E1000_RXBUFFER_16384) - adapter->rx_buffer_len = E1000_RXBUFFER_16384; - } - } + /* NOTE: dev_alloc_skb reserves 16 bytes, and typically NET_IP_ALIGN + * means we reserve 2 more, this pushes us to allocate from the next + * larger slab size + * i.e. RXBUFFER_2048 --> size-4096 slab */ + + if (max_frame <= E1000_RXBUFFER_256) + adapter->rx_buffer_len = E1000_RXBUFFER_256; + else if (max_frame <= E1000_RXBUFFER_512) + adapter->rx_buffer_len = E1000_RXBUFFER_512; + else if (max_frame <= E1000_RXBUFFER_1024) + adapter->rx_buffer_len = E1000_RXBUFFER_1024; + else if (max_frame <= E1000_RXBUFFER_2048) + adapter->rx_buffer_len = E1000_RXBUFFER_2048; + else if (max_frame <= E1000_RXBUFFER_4096) + adapter->rx_buffer_len = E1000_RXBUFFER_4096; + else if (max_frame <= E1000_RXBUFFER_8192) + adapter->rx_buffer_len = E1000_RXBUFFER_8192; + else if (max_frame <= E1000_RXBUFFER_16384) + adapter->rx_buffer_len = E1000_RXBUFFER_16384; + + /* adjust allocation if LPE protects us, and we aren't using SBP */ +#define MAXIMUM_ETHERNET_VLAN_SIZE 1522 + if (!adapter->hw.tbi_compatibility_on && + ((max_frame == MAXIMUM_ETHERNET_FRAME_SIZE) || + (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE))) + adapter->rx_buffer_len = MAXIMUM_ETHERNET_VLAN_SIZE; netdev->mtu = new_mtu; @@ -3060,11 +3045,21 @@ void e1000_update_stats(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; + struct pci_dev *pdev = adapter->pdev; unsigned long flags; uint16_t phy_tmp; #define PHY_IDLE_ERROR_COUNT_MASK 0x00FF + /* + * Prevent stats update while adapter is being reset, or if the pci + * connection is down. + */ + if (adapter->link_speed == 0) + return; + if (pdev->error_state && pdev->error_state != pci_channel_io_normal) + return; + spin_lock_irqsave(&adapter->stats_lock, flags); /* these counters are modified from e1000_adjust_tbi_stats, @@ -3165,7 +3160,6 @@ e1000_update_stats(struct e1000_adapter *adapter) adapter->stats.crcerrs + adapter->stats.algnerrc + adapter->stats.ruc + adapter->stats.roc + adapter->stats.cexterr; - adapter->net_stats.rx_dropped = 0; adapter->net_stats.rx_length_errors = adapter->stats.ruc + adapter->stats.roc; adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs; @@ -3391,13 +3385,15 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, tx_ring->next_to_clean = i; - spin_lock(&tx_ring->tx_lock); - +#define TX_WAKE_THRESHOLD 32 if (unlikely(cleaned && netif_queue_stopped(netdev) && - netif_carrier_ok(netdev))) - netif_wake_queue(netdev); - - spin_unlock(&tx_ring->tx_lock); + netif_carrier_ok(netdev))) { + spin_lock(&tx_ring->tx_lock); + if (netif_queue_stopped(netdev) && + (E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD)) + netif_wake_queue(netdev); + spin_unlock(&tx_ring->tx_lock); + } if (adapter->detect_tx_hung) { /* Detect a transmit hang in hardware, this serializes the @@ -3445,7 +3441,7 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, * @sk_buff: socket buffer with received data **/ -static inline void +static void e1000_rx_checksum(struct e1000_adapter *adapter, uint32_t status_err, uint32_t csum, struct sk_buff *skb) @@ -3567,7 +3563,8 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter, flags); length--; } else { - dev_kfree_skb_irq(skb); + /* recycle */ + buffer_info->skb = skb; goto next_desc; } } @@ -3675,6 +3672,7 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, i = rx_ring->next_to_clean; rx_desc = E1000_RX_DESC_PS(*rx_ring, i); staterr = le32_to_cpu(rx_desc->wb.middle.status_error); + buffer_info = &rx_ring->buffer_info[i]; while (staterr & E1000_RXD_STAT_DD) { buffer_info = &rx_ring->buffer_info[i]; @@ -3733,9 +3731,9 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, /* page alloc/put takes too long and effects small packet * throughput, so unsplit small packets and save the alloc/put*/ - if (l1 && ((length + l1) < E1000_CB_LENGTH)) { + if (l1 && ((length + l1) <= adapter->rx_ps_bsize0)) { u8 *vaddr; - /* there is no documentation about how to call + /* there is no documentation about how to call * kmap_atomic, so we can't hold the mapping * very long */ pci_dma_sync_single_for_cpu(pdev, @@ -4155,7 +4153,7 @@ e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) spin_unlock_irqrestore(&adapter->stats_lock, flags); return -EIO; } - if (adapter->hw.phy_type == e1000_media_type_copper) { + if (adapter->hw.media_type == e1000_media_type_copper) { switch (data->reg_num) { case PHY_CTRL: if (mii_reg & MII_CR_POWER_DOWN) @@ -4514,21 +4512,13 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state) E1000_WRITE_REG(&adapter->hw, WUC, E1000_WUC_PME_EN); E1000_WRITE_REG(&adapter->hw, WUFC, wufc); - retval = pci_enable_wake(pdev, PCI_D3hot, 1); - if (retval) - DPRINTK(PROBE, ERR, "Error enabling D3 wake\n"); - retval = pci_enable_wake(pdev, PCI_D3cold, 1); - if (retval) - DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n"); + pci_enable_wake(pdev, PCI_D3hot, 1); + pci_enable_wake(pdev, PCI_D3cold, 1); } else { E1000_WRITE_REG(&adapter->hw, WUC, 0); E1000_WRITE_REG(&adapter->hw, WUFC, 0); - retval = pci_enable_wake(pdev, PCI_D3hot, 0); - if (retval) - DPRINTK(PROBE, ERR, "Error enabling D3 wake\n"); - retval = pci_enable_wake(pdev, PCI_D3cold, 0); - if (retval) - DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n"); + pci_enable_wake(pdev, PCI_D3hot, 0); + pci_enable_wake(pdev, PCI_D3cold, 0); } if (adapter->hw.mac_type >= e1000_82540 && @@ -4537,13 +4527,8 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state) if (manc & E1000_MANC_SMBUS_EN) { manc |= E1000_MANC_ARP_EN; E1000_WRITE_REG(&adapter->hw, MANC, manc); - retval = pci_enable_wake(pdev, PCI_D3hot, 1); - if (retval) - DPRINTK(PROBE, ERR, "Error enabling D3 wake\n"); - retval = pci_enable_wake(pdev, PCI_D3cold, 1); - if (retval) - DPRINTK(PROBE, ERR, - "Error enabling D3 cold wake\n"); + pci_enable_wake(pdev, PCI_D3hot, 1); + pci_enable_wake(pdev, PCI_D3cold, 1); } } @@ -4553,9 +4538,7 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state) pci_disable_device(pdev); - retval = pci_set_power_state(pdev, pci_choose_state(pdev, state)); - if (retval) - DPRINTK(PROBE, ERR, "Error in setting power state\n"); + pci_set_power_state(pdev, pci_choose_state(pdev, state)); return 0; } @@ -4566,22 +4549,15 @@ e1000_resume(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); struct e1000_adapter *adapter = netdev_priv(netdev); - int retval; uint32_t manc, ret_val; - retval = pci_set_power_state(pdev, PCI_D0); - if (retval) - DPRINTK(PROBE, ERR, "Error in setting power state\n"); + pci_set_power_state(pdev, PCI_D0); e1000_pci_restore_state(adapter); ret_val = pci_enable_device(pdev); pci_set_master(pdev); - retval = pci_enable_wake(pdev, PCI_D3hot, 0); - if (retval) - DPRINTK(PROBE, ERR, "Error enabling D3 wake\n"); - retval = pci_enable_wake(pdev, PCI_D3cold, 0); - if (retval) - DPRINTK(PROBE, ERR, "Error enabling D3 cold wake\n"); + pci_enable_wake(pdev, PCI_D3hot, 0); + pci_enable_wake(pdev, PCI_D3cold, 0); e1000_reset(adapter); E1000_WRITE_REG(&adapter->hw, WUS, ~0); @@ -4635,4 +4611,101 @@ e1000_netpoll(struct net_device *netdev) } #endif +/** + * e1000_io_error_detected - called when PCI error is detected + * @pdev: Pointer to PCI device + * @state: The current pci conneection state + * + * This function is called after a PCI bus error affecting + * this device has been detected. + */ +static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct e1000_adapter *adapter = netdev->priv; + + netif_device_detach(netdev); + + if (netif_running(netdev)) + e1000_down(adapter); + + /* Request a slot slot reset. */ + return PCI_ERS_RESULT_NEED_RESET; +} + +/** + * e1000_io_slot_reset - called after the pci bus has been reset. + * @pdev: Pointer to PCI device + * + * Restart the card from scratch, as if from a cold-boot. Implementation + * resembles the first-half of the e1000_resume routine. + */ +static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct e1000_adapter *adapter = netdev->priv; + + if (pci_enable_device(pdev)) { + printk(KERN_ERR "e1000: Cannot re-enable PCI device after reset.\n"); + return PCI_ERS_RESULT_DISCONNECT; + } + pci_set_master(pdev); + + pci_enable_wake(pdev, 3, 0); + pci_enable_wake(pdev, 4, 0); /* 4 == D3 cold */ + + /* Perform card reset only on one instance of the card */ + if (PCI_FUNC (pdev->devfn) != 0) + return PCI_ERS_RESULT_RECOVERED; + + e1000_reset(adapter); + E1000_WRITE_REG(&adapter->hw, WUS, ~0); + + return PCI_ERS_RESULT_RECOVERED; +} + +/** + * e1000_io_resume - called when traffic can start flowing again. + * @pdev: Pointer to PCI device + * + * This callback is called when the error recovery driver tells us that + * its OK to resume normal operation. Implementation resembles the + * second-half of the e1000_resume routine. + */ +static void e1000_io_resume(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct e1000_adapter *adapter = netdev->priv; + uint32_t manc, swsm; + + if (netif_running(netdev)) { + if (e1000_up(adapter)) { + printk("e1000: can't bring device back up after reset\n"); + return; + } + } + + netif_device_attach(netdev); + + if (adapter->hw.mac_type >= e1000_82540 && + adapter->hw.media_type == e1000_media_type_copper) { + manc = E1000_READ_REG(&adapter->hw, MANC); + manc &= ~(E1000_MANC_ARP_EN); + E1000_WRITE_REG(&adapter->hw, MANC, manc); + } + + switch (adapter->hw.mac_type) { + case e1000_82573: + swsm = E1000_READ_REG(&adapter->hw, SWSM); + E1000_WRITE_REG(&adapter->hw, SWSM, + swsm | E1000_SWSM_DRV_LOAD); + break; + default: + break; + } + + if (netif_running(netdev)) + mod_timer(&adapter->watchdog_timer, jiffies); +} + /* e1000_main.c */ diff --git a/drivers/net/e1000/e1000_osdep.h b/drivers/net/e1000/e1000_osdep.h index 9790db974dc1..048d052be29d 100644 --- a/drivers/net/e1000/e1000_osdep.h +++ b/drivers/net/e1000/e1000_osdep.h @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -22,6 +22,7 @@ Contact Information: Linux NICS <linux.nics@intel.com> + e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 *******************************************************************************/ diff --git a/drivers/net/e1000/e1000_param.c b/drivers/net/e1000/e1000_param.c index e0a4d37d1b85..e55f8969a0fb 100644 --- a/drivers/net/e1000/e1000_param.c +++ b/drivers/net/e1000/e1000_param.c @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -22,6 +22,7 @@ Contact Information: Linux NICS <linux.nics@intel.com> + e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 *******************************************************************************/ diff --git a/drivers/net/epic100.c b/drivers/net/epic100.c index 2f7b86837fe8..8d680ce600d7 100644 --- a/drivers/net/epic100.c +++ b/drivers/net/epic100.c @@ -21,15 +21,15 @@ http://www.scyld.com/network/epic100.html --------------------------------------------------------------------- - + Linux kernel-specific changes: - + LK1.1.2 (jgarzik): * Merge becker version 1.09 (4/08/2000) LK1.1.3: * Major bugfix to 1.09 driver (Francis Romieu) - + LK1.1.4 (jgarzik): * Merge becker test version 1.09 (5/29/2000) @@ -66,7 +66,7 @@ LK1.1.14 (Kryzsztof Halasa): * fix spurious bad initializations * pound phy a la SMSC's app note on the subject - + AC1.1.14ac * fix power up/down for ethtool that broke in 1.11 @@ -244,7 +244,7 @@ static struct pci_device_id epic_pci_tbl[] = { }; MODULE_DEVICE_TABLE (pci, epic_pci_tbl); - + #ifndef USE_IO_OPS #undef inb #undef inw @@ -370,7 +370,7 @@ static int epic_close(struct net_device *dev); static struct net_device_stats *epic_get_stats(struct net_device *dev); static void set_rx_mode(struct net_device *dev); - + static int __devinit epic_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) @@ -392,9 +392,9 @@ static int __devinit epic_init_one (struct pci_dev *pdev, printk (KERN_INFO "%s" KERN_INFO "%s" KERN_INFO "%s", version, version2, version3); #endif - + card_idx++; - + ret = pci_enable_device(pdev); if (ret) goto out; @@ -405,7 +405,7 @@ static int __devinit epic_init_one (struct pci_dev *pdev, ret = -ENODEV; goto err_out_disable; } - + pci_set_master(pdev); ret = pci_request_regions(pdev, DRV_NAME); @@ -498,7 +498,7 @@ static int __devinit epic_init_one (struct pci_dev *pdev, ep->pci_dev = pdev; ep->chip_id = chip_idx; ep->chip_flags = pci_id_tbl[chip_idx].drv_flags; - ep->irq_mask = + ep->irq_mask = (ep->chip_flags & TYPE2_INTR ? PCIBusErr175 : PCIBusErr170) | CntFull | TxUnderrun | EpicNapiEvent; @@ -587,7 +587,7 @@ err_out_disable: pci_disable_device(pdev); goto out; } - + /* Serial EEPROM section. */ /* EEPROM_Ctrl bits. */ @@ -709,7 +709,7 @@ static void mdio_write(struct net_device *dev, int phy_id, int loc, int value) outw(value, ioaddr + MIIData); outl((phy_id << 9) | (loc << 4) | MII_WRITEOP, ioaddr + MIICtrl); - for (i = 10000; i > 0; i--) { + for (i = 10000; i > 0; i--) { barrier(); if ((inl(ioaddr + MIICtrl) & MII_WRITEOP) == 0) break; @@ -717,7 +717,7 @@ static void mdio_write(struct net_device *dev, int phy_id, int loc, int value) return; } - + static int epic_open(struct net_device *dev) { struct epic_private *ep = dev->priv; @@ -760,7 +760,7 @@ static int epic_open(struct net_device *dev) #endif udelay(20); /* Looks like EPII needs that if you want reliable RX init. FIXME: pci posting bug? */ - + for (i = 0; i < 3; i++) outl(cpu_to_le16(((u16*)dev->dev_addr)[i]), ioaddr + LAN0 + i*4); @@ -803,7 +803,7 @@ static int epic_open(struct net_device *dev) /* Enable interrupts by setting the interrupt mask. */ outl((ep->chip_flags & TYPE2_INTR ? PCIBusErr175 : PCIBusErr170) - | CntFull | TxUnderrun + | CntFull | TxUnderrun | RxError | RxHeader | EpicNapiEvent, ioaddr + INTMASK); if (debug > 1) @@ -831,7 +831,7 @@ static void epic_pause(struct net_device *dev) struct epic_private *ep = dev->priv; netif_stop_queue (dev); - + /* Disable interrupts by clearing the interrupt mask. */ outl(0x00000000, ioaddr + INTMASK); /* Stop the chip's Tx and Rx DMA processes. */ @@ -987,7 +987,7 @@ static void epic_init_ring(struct net_device *dev) for (i = 0; i < RX_RING_SIZE; i++) { ep->rx_ring[i].rxstatus = 0; ep->rx_ring[i].buflength = cpu_to_le32(ep->rx_buf_sz); - ep->rx_ring[i].next = ep->rx_ring_dma + + ep->rx_ring[i].next = ep->rx_ring_dma + (i+1)*sizeof(struct epic_rx_desc); ep->rx_skbuff[i] = NULL; } @@ -1002,7 +1002,7 @@ static void epic_init_ring(struct net_device *dev) break; skb->dev = dev; /* Mark as being used by this device. */ skb_reserve(skb, 2); /* 16 byte align the IP header. */ - ep->rx_ring[i].bufaddr = pci_map_single(ep->pci_dev, + ep->rx_ring[i].bufaddr = pci_map_single(ep->pci_dev, skb->data, ep->rx_buf_sz, PCI_DMA_FROMDEVICE); ep->rx_ring[i].rxstatus = cpu_to_le32(DescOwn); } @@ -1013,7 +1013,7 @@ static void epic_init_ring(struct net_device *dev) for (i = 0; i < TX_RING_SIZE; i++) { ep->tx_skbuff[i] = NULL; ep->tx_ring[i].txstatus = 0x0000; - ep->tx_ring[i].next = ep->tx_ring_dma + + ep->tx_ring[i].next = ep->tx_ring_dma + (i+1)*sizeof(struct epic_tx_desc); } ep->tx_ring[i-1].next = ep->tx_ring_dma; @@ -1026,7 +1026,7 @@ static int epic_start_xmit(struct sk_buff *skb, struct net_device *dev) int entry, free_count; u32 ctrl_word; unsigned long flags; - + if (skb->len < ETH_ZLEN) { skb = skb_padto(skb, ETH_ZLEN); if (skb == NULL) @@ -1042,7 +1042,7 @@ static int epic_start_xmit(struct sk_buff *skb, struct net_device *dev) entry = ep->cur_tx % TX_RING_SIZE; ep->tx_skbuff[entry] = skb; - ep->tx_ring[entry].bufaddr = pci_map_single(ep->pci_dev, skb->data, + ep->tx_ring[entry].bufaddr = pci_map_single(ep->pci_dev, skb->data, skb->len, PCI_DMA_TODEVICE); if (free_count < TX_QUEUE_LEN/2) {/* Typical path */ ctrl_word = cpu_to_le32(0x100000); /* No interrupt */ @@ -1126,7 +1126,7 @@ static void epic_tx(struct net_device *dev, struct epic_private *ep) /* Free the original skb. */ skb = ep->tx_skbuff[entry]; - pci_unmap_single(ep->pci_dev, ep->tx_ring[entry].bufaddr, + pci_unmap_single(ep->pci_dev, ep->tx_ring[entry].bufaddr, skb->len, PCI_DMA_TODEVICE); dev_kfree_skb_irq(skb); ep->tx_skbuff[entry] = NULL; @@ -1281,8 +1281,8 @@ static int epic_rx(struct net_device *dev, int budget) ep->rx_buf_sz, PCI_DMA_FROMDEVICE); } else { - pci_unmap_single(ep->pci_dev, - ep->rx_ring[entry].bufaddr, + pci_unmap_single(ep->pci_dev, + ep->rx_ring[entry].bufaddr, ep->rx_buf_sz, PCI_DMA_FROMDEVICE); skb_put(skb = ep->rx_skbuff[entry], pkt_len); ep->rx_skbuff[entry] = NULL; @@ -1307,7 +1307,7 @@ static int epic_rx(struct net_device *dev, int budget) break; skb->dev = dev; /* Mark as being used by this device. */ skb_reserve(skb, 2); /* Align IP on 16 byte boundaries */ - ep->rx_ring[entry].bufaddr = pci_map_single(ep->pci_dev, + ep->rx_ring[entry].bufaddr = pci_map_single(ep->pci_dev, skb->data, ep->rx_buf_sz, PCI_DMA_FROMDEVICE); work_done++; } @@ -1403,7 +1403,7 @@ static int epic_close(struct net_device *dev) ep->rx_ring[i].rxstatus = 0; /* Not owned by Epic chip. */ ep->rx_ring[i].buflength = 0; if (skb) { - pci_unmap_single(ep->pci_dev, ep->rx_ring[i].bufaddr, + pci_unmap_single(ep->pci_dev, ep->rx_ring[i].bufaddr, ep->rx_buf_sz, PCI_DMA_FROMDEVICE); dev_kfree_skb(skb); } @@ -1414,7 +1414,7 @@ static int epic_close(struct net_device *dev) ep->tx_skbuff[i] = NULL; if (!skb) continue; - pci_unmap_single(ep->pci_dev, ep->tx_ring[i].bufaddr, + pci_unmap_single(ep->pci_dev, ep->tx_ring[i].bufaddr, skb->len, PCI_DMA_TODEVICE); dev_kfree_skb(skb); } @@ -1607,7 +1607,7 @@ static void __devexit epic_remove_one (struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); struct epic_private *ep = dev->priv; - + pci_free_consistent(pdev, TX_TOTAL_SIZE, ep->tx_ring, ep->tx_ring_dma); pci_free_consistent(pdev, RX_TOTAL_SIZE, ep->rx_ring, ep->rx_ring_dma); unregister_netdev(dev); diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index feb5b223cd60..04a53f1dfdbd 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -107,6 +107,8 @@ * 0.52: 20 Jan 2006: Add MSI/MSIX support. * 0.53: 19 Mar 2006: Fix init from low power mode and add hw reset. * 0.54: 21 Mar 2006: Fix spin locks for multi irqs and cleanup. + * 0.55: 22 Mar 2006: Add flow control (pause frame). + * 0.56: 22 Mar 2006: Additional ethtool config and moduleparam support. * * Known bugs: * We suspect that on some hardware no TX done interrupts are generated. @@ -118,7 +120,7 @@ * DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few * superfluous timer interrupts from the nic. */ -#define FORCEDETH_VERSION "0.54" +#define FORCEDETH_VERSION "0.56" #define DRV_NAME "forcedeth" #include <linux/module.h> @@ -163,6 +165,9 @@ #define DEV_HAS_MSI 0x0040 /* device supports MSI */ #define DEV_HAS_MSI_X 0x0080 /* device supports MSI-X */ #define DEV_HAS_POWER_CNTRL 0x0100 /* device supports power savings */ +#define DEV_HAS_PAUSEFRAME_TX 0x0200 /* device supports tx pause frames */ +#define DEV_HAS_STATISTICS 0x0400 /* device supports hw statistics */ +#define DEV_HAS_TEST_EXTENDED 0x0800 /* device supports extended diagnostic test */ enum { NvRegIrqStatus = 0x000, @@ -203,6 +208,7 @@ enum { NvRegMSIIrqMask = 0x030, #define NVREG_MSI_VECTOR_0_ENABLED 0x01 NvRegMisc1 = 0x080, +#define NVREG_MISC1_PAUSE_TX 0x01 #define NVREG_MISC1_HD 0x02 #define NVREG_MISC1_FORCE 0x3b0f3c @@ -214,9 +220,11 @@ enum { #define NVREG_XMITSTAT_BUSY 0x01 NvRegPacketFilterFlags = 0x8c, -#define NVREG_PFF_ALWAYS 0x7F0008 +#define NVREG_PFF_PAUSE_RX 0x08 +#define NVREG_PFF_ALWAYS 0x7F0000 #define NVREG_PFF_PROMISC 0x80 #define NVREG_PFF_MYADDR 0x20 +#define NVREG_PFF_LOOPBACK 0x10 NvRegOffloadConfig = 0x90, #define NVREG_OFFLOAD_HOMEPHY 0x601 @@ -277,6 +285,9 @@ enum { #define NVREG_TXRXCTL_VLANINS 0x00080 NvRegTxRingPhysAddrHigh = 0x148, NvRegRxRingPhysAddrHigh = 0x14C, + NvRegTxPauseFrame = 0x170, +#define NVREG_TX_PAUSEFRAME_DISABLE 0x1ff0080 +#define NVREG_TX_PAUSEFRAME_ENABLE 0x0c00030 NvRegMIIStatus = 0x180, #define NVREG_MIISTAT_ERROR 0x0001 #define NVREG_MIISTAT_LINKCHANGE 0x0008 @@ -326,6 +337,33 @@ enum { #define NVREG_POWERSTATE_D1 0x0001 #define NVREG_POWERSTATE_D2 0x0002 #define NVREG_POWERSTATE_D3 0x0003 + NvRegTxCnt = 0x280, + NvRegTxZeroReXmt = 0x284, + NvRegTxOneReXmt = 0x288, + NvRegTxManyReXmt = 0x28c, + NvRegTxLateCol = 0x290, + NvRegTxUnderflow = 0x294, + NvRegTxLossCarrier = 0x298, + NvRegTxExcessDef = 0x29c, + NvRegTxRetryErr = 0x2a0, + NvRegRxFrameErr = 0x2a4, + NvRegRxExtraByte = 0x2a8, + NvRegRxLateCol = 0x2ac, + NvRegRxRunt = 0x2b0, + NvRegRxFrameTooLong = 0x2b4, + NvRegRxOverflow = 0x2b8, + NvRegRxFCSErr = 0x2bc, + NvRegRxFrameAlignErr = 0x2c0, + NvRegRxLenErr = 0x2c4, + NvRegRxUnicast = 0x2c8, + NvRegRxMulticast = 0x2cc, + NvRegRxBroadcast = 0x2d0, + NvRegTxDef = 0x2d4, + NvRegTxFrame = 0x2d8, + NvRegRxCnt = 0x2dc, + NvRegTxPause = 0x2e0, + NvRegRxPause = 0x2e4, + NvRegRxDropFrame = 0x2e8, NvRegVlanControl = 0x300, #define NVREG_VLANCONTROL_ENABLE 0x2000 NvRegMSIXMap0 = 0x3e0, @@ -449,16 +487,18 @@ typedef union _ring_type { /* General driver defaults */ #define NV_WATCHDOG_TIMEO (5*HZ) -#define RX_RING 128 -#define TX_RING 256 -/* - * If your nic mysteriously hangs then try to reduce the limits - * to 1/0: It might be required to set NV_TX_LASTPACKET in the - * last valid ring entry. But this would be impossible to - * implement - probably a disassembly error. +#define RX_RING_DEFAULT 128 +#define TX_RING_DEFAULT 256 +#define RX_RING_MIN 128 +#define TX_RING_MIN 64 +#define RING_MAX_DESC_VER_1 1024 +#define RING_MAX_DESC_VER_2_3 16384 +/* + * Difference between the get and put pointers for the tx ring. + * This is used to throttle the amount of data outstanding in the + * tx ring. */ -#define TX_LIMIT_STOP 255 -#define TX_LIMIT_START 254 +#define TX_LIMIT_DIFFERENCE 1 /* rx/tx mac addr + type + vlan + align + slack*/ #define NV_RX_HEADERS (64) @@ -472,8 +512,9 @@ typedef union _ring_type { #define OOM_REFILL (1+HZ/20) #define POLL_WAIT (1+HZ/100) #define LINK_TIMEOUT (3*HZ) +#define STATS_INTERVAL (10*HZ) -/* +/* * desc_ver values: * The nic supports three different descriptor types: * - DESC_VER_1: Original @@ -506,13 +547,13 @@ typedef union _ring_type { #define PHY_1000 0x2 #define PHY_HALF 0x100 -/* FIXME: MII defines that should be added to <linux/mii.h> */ -#define MII_1000BT_CR 0x09 -#define MII_1000BT_SR 0x0a -#define ADVERTISE_1000FULL 0x0200 -#define ADVERTISE_1000HALF 0x0100 -#define LPA_1000FULL 0x0800 -#define LPA_1000HALF 0x0400 +#define NV_PAUSEFRAME_RX_CAPABLE 0x0001 +#define NV_PAUSEFRAME_TX_CAPABLE 0x0002 +#define NV_PAUSEFRAME_RX_ENABLE 0x0004 +#define NV_PAUSEFRAME_TX_ENABLE 0x0008 +#define NV_PAUSEFRAME_RX_REQ 0x0010 +#define NV_PAUSEFRAME_TX_REQ 0x0020 +#define NV_PAUSEFRAME_AUTONEG 0x0040 /* MSI/MSI-X defines */ #define NV_MSI_X_MAX_VECTORS 8 @@ -527,15 +568,110 @@ typedef union _ring_type { #define NV_MSI_X_VECTOR_TX 0x1 #define NV_MSI_X_VECTOR_OTHER 0x2 +/* statistics */ +struct nv_ethtool_str { + char name[ETH_GSTRING_LEN]; +}; + +static const struct nv_ethtool_str nv_estats_str[] = { + { "tx_bytes" }, + { "tx_zero_rexmt" }, + { "tx_one_rexmt" }, + { "tx_many_rexmt" }, + { "tx_late_collision" }, + { "tx_fifo_errors" }, + { "tx_carrier_errors" }, + { "tx_excess_deferral" }, + { "tx_retry_error" }, + { "tx_deferral" }, + { "tx_packets" }, + { "tx_pause" }, + { "rx_frame_error" }, + { "rx_extra_byte" }, + { "rx_late_collision" }, + { "rx_runt" }, + { "rx_frame_too_long" }, + { "rx_over_errors" }, + { "rx_crc_errors" }, + { "rx_frame_align_error" }, + { "rx_length_error" }, + { "rx_unicast" }, + { "rx_multicast" }, + { "rx_broadcast" }, + { "rx_bytes" }, + { "rx_pause" }, + { "rx_drop_frame" }, + { "rx_packets" }, + { "rx_errors_total" } +}; + +struct nv_ethtool_stats { + u64 tx_bytes; + u64 tx_zero_rexmt; + u64 tx_one_rexmt; + u64 tx_many_rexmt; + u64 tx_late_collision; + u64 tx_fifo_errors; + u64 tx_carrier_errors; + u64 tx_excess_deferral; + u64 tx_retry_error; + u64 tx_deferral; + u64 tx_packets; + u64 tx_pause; + u64 rx_frame_error; + u64 rx_extra_byte; + u64 rx_late_collision; + u64 rx_runt; + u64 rx_frame_too_long; + u64 rx_over_errors; + u64 rx_crc_errors; + u64 rx_frame_align_error; + u64 rx_length_error; + u64 rx_unicast; + u64 rx_multicast; + u64 rx_broadcast; + u64 rx_bytes; + u64 rx_pause; + u64 rx_drop_frame; + u64 rx_packets; + u64 rx_errors_total; +}; + +/* diagnostics */ +#define NV_TEST_COUNT_BASE 3 +#define NV_TEST_COUNT_EXTENDED 4 + +static const struct nv_ethtool_str nv_etests_str[] = { + { "link (online/offline)" }, + { "register (offline) " }, + { "interrupt (offline) " }, + { "loopback (offline) " } +}; + +struct register_test { + u32 reg; + u32 mask; +}; + +static const struct register_test nv_registers_test[] = { + { NvRegUnknownSetupReg6, 0x01 }, + { NvRegMisc1, 0x03c }, + { NvRegOffloadConfig, 0x03ff }, + { NvRegMulticastAddrA, 0xffffffff }, + { NvRegUnknownSetupReg3, 0x0ff }, + { NvRegWakeUpFlags, 0x07777 }, + { 0,0 } +}; + /* * SMP locking: * All hardware access under dev->priv->lock, except the performance * critical parts: * - rx is (pseudo-) lockless: it relies on the single-threading provided * by the arch code for interrupts. - * - tx setup is lockless: it relies on dev->xmit_lock. Actual submission + * - tx setup is lockless: it relies on netif_tx_lock. Actual submission * needs dev->priv->lock :-( - * - set_multicast_list: preparation lockless, relies on dev->xmit_lock. + * - set_multicast_list: preparation lockless, relies on netif_tx_lock. */ /* in dev: base, irq */ @@ -545,6 +681,7 @@ struct fe_priv { /* General data: * Locking: spin_lock(&np->lock); */ struct net_device_stats stats; + struct nv_ethtool_stats estats; int in_shutdown; u32 linkspeed; int duplex; @@ -554,6 +691,7 @@ struct fe_priv { int wolenabled; unsigned int phy_oui; u16 gigabit; + int intr_test; /* General data: RO fields */ dma_addr_t ring_addr; @@ -573,13 +711,15 @@ struct fe_priv { */ ring_type rx_ring; unsigned int cur_rx, refill_rx; - struct sk_buff *rx_skbuff[RX_RING]; - dma_addr_t rx_dma[RX_RING]; + struct sk_buff **rx_skbuff; + dma_addr_t *rx_dma; unsigned int rx_buf_sz; unsigned int pkt_limit; struct timer_list oom_kick; struct timer_list nic_poll; + struct timer_list stats_poll; u32 nic_poll_irq; + int rx_ring_size; /* media detection workaround. * Locking: Within irq hander or disable_irq+spin_lock(&np->lock); @@ -591,10 +731,13 @@ struct fe_priv { */ ring_type tx_ring; unsigned int next_tx, nic_tx; - struct sk_buff *tx_skbuff[TX_RING]; - dma_addr_t tx_dma[TX_RING]; - unsigned int tx_dma_len[TX_RING]; + struct sk_buff **tx_skbuff; + dma_addr_t *tx_dma; + unsigned int *tx_dma_len; u32 tx_flags; + int tx_ring_size; + int tx_limit_start; + int tx_limit_stop; /* vlan fields */ struct vlan_group *vlangrp; @@ -602,6 +745,9 @@ struct fe_priv { /* msi/msi-x fields */ u32 msi_flags; struct msix_entry msi_x_entry[NV_MSI_X_MAX_VECTORS]; + + /* flow control */ + u32 pause_flags; }; /* @@ -612,12 +758,14 @@ static int max_interrupt_work = 5; /* * Optimization can be either throuput mode or cpu mode - * + * * Throughput Mode: Every tx and rx packet will generate an interrupt. * CPU Mode: Interrupts are controlled by a timer. */ -#define NV_OPTIMIZATION_MODE_THROUGHPUT 0 -#define NV_OPTIMIZATION_MODE_CPU 1 +enum { + NV_OPTIMIZATION_MODE_THROUGHPUT, + NV_OPTIMIZATION_MODE_CPU +}; static int optimization_mode = NV_OPTIMIZATION_MODE_THROUGHPUT; /* @@ -630,14 +778,31 @@ static int optimization_mode = NV_OPTIMIZATION_MODE_THROUGHPUT; static int poll_interval = -1; /* - * Disable MSI interrupts + * MSI interrupts */ -static int disable_msi = 0; +enum { + NV_MSI_INT_DISABLED, + NV_MSI_INT_ENABLED +}; +static int msi = NV_MSI_INT_ENABLED; /* - * Disable MSIX interrupts + * MSIX interrupts */ -static int disable_msix = 0; +enum { + NV_MSIX_INT_DISABLED, + NV_MSIX_INT_ENABLED +}; +static int msix = NV_MSIX_INT_ENABLED; + +/* + * DMA 64bit + */ +enum { + NV_DMA_64BIT_DISABLED, + NV_DMA_64BIT_ENABLED +}; +static int dma_64bit = NV_DMA_64BIT_ENABLED; static inline struct fe_priv *get_nvpriv(struct net_device *dev) { @@ -697,7 +862,7 @@ static void setup_hw_rings(struct net_device *dev, int rxtx_flags) writel((u32) cpu_to_le64(np->ring_addr), base + NvRegRxRingPhysAddr); } if (rxtx_flags & NV_SETUP_TX_RING) { - writel((u32) cpu_to_le64(np->ring_addr + RX_RING*sizeof(struct ring_desc)), base + NvRegTxRingPhysAddr); + writel((u32) cpu_to_le64(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc)), base + NvRegTxRingPhysAddr); } } else { if (rxtx_flags & NV_SETUP_RX_RING) { @@ -705,12 +870,37 @@ static void setup_hw_rings(struct net_device *dev, int rxtx_flags) writel((u32) (cpu_to_le64(np->ring_addr) >> 32), base + NvRegRxRingPhysAddrHigh); } if (rxtx_flags & NV_SETUP_TX_RING) { - writel((u32) cpu_to_le64(np->ring_addr + RX_RING*sizeof(struct ring_desc_ex)), base + NvRegTxRingPhysAddr); - writel((u32) (cpu_to_le64(np->ring_addr + RX_RING*sizeof(struct ring_desc_ex)) >> 32), base + NvRegTxRingPhysAddrHigh); + writel((u32) cpu_to_le64(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc_ex)), base + NvRegTxRingPhysAddr); + writel((u32) (cpu_to_le64(np->ring_addr + np->rx_ring_size*sizeof(struct ring_desc_ex)) >> 32), base + NvRegTxRingPhysAddrHigh); } } } +static void free_rings(struct net_device *dev) +{ + struct fe_priv *np = get_nvpriv(dev); + + if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { + if(np->rx_ring.orig) + pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (np->rx_ring_size + np->tx_ring_size), + np->rx_ring.orig, np->ring_addr); + } else { + if (np->rx_ring.ex) + pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (np->rx_ring_size + np->tx_ring_size), + np->rx_ring.ex, np->ring_addr); + } + if (np->rx_skbuff) + kfree(np->rx_skbuff); + if (np->rx_dma) + kfree(np->rx_dma); + if (np->tx_skbuff) + kfree(np->tx_skbuff); + if (np->tx_dma) + kfree(np->tx_dma); + if (np->tx_dma_len) + kfree(np->tx_dma_len); +} + static int using_multi_irqs(struct net_device *dev) { struct fe_priv *np = get_nvpriv(dev); @@ -860,7 +1050,7 @@ static int phy_init(struct net_device *dev) /* set advertise register */ reg = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); - reg |= (ADVERTISE_10HALF|ADVERTISE_10FULL|ADVERTISE_100HALF|ADVERTISE_100FULL|0x800|0x400); + reg |= (ADVERTISE_10HALF|ADVERTISE_10FULL|ADVERTISE_100HALF|ADVERTISE_100FULL|ADVERTISE_PAUSE_ASYM|ADVERTISE_PAUSE_CAP); if (mii_rw(dev, np->phyaddr, MII_ADVERTISE, reg)) { printk(KERN_INFO "%s: phy write to advertise failed.\n", pci_name(np->pci_dev)); return PHY_ERROR; @@ -873,14 +1063,14 @@ static int phy_init(struct net_device *dev) mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); if (mii_status & PHY_GIGABIT) { np->gigabit = PHY_GIGABIT; - mii_control_1000 = mii_rw(dev, np->phyaddr, MII_1000BT_CR, MII_READ); + mii_control_1000 = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); mii_control_1000 &= ~ADVERTISE_1000HALF; if (phyinterface & PHY_RGMII) mii_control_1000 |= ADVERTISE_1000FULL; else mii_control_1000 &= ~ADVERTISE_1000FULL; - if (mii_rw(dev, np->phyaddr, MII_1000BT_CR, mii_control_1000)) { + if (mii_rw(dev, np->phyaddr, MII_CTRL1000, mii_control_1000)) { printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev)); return PHY_ERROR; } @@ -918,6 +1108,8 @@ static int phy_init(struct net_device *dev) return PHY_ERROR; } } + /* some phys clear out pause advertisment on reset, set it back */ + mii_rw(dev, np->phyaddr, MII_ADVERTISE, reg); /* restart auto negotiation */ mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); @@ -1047,7 +1239,7 @@ static int nv_alloc_rx(struct net_device *dev) while (np->cur_rx != refill_rx) { struct sk_buff *skb; - nr = refill_rx % RX_RING; + nr = refill_rx % np->rx_ring_size; if (np->rx_skbuff[nr] == NULL) { skb = dev_alloc_skb(np->rx_buf_sz + NV_RX_ALLOC_PAD); @@ -1076,7 +1268,7 @@ static int nv_alloc_rx(struct net_device *dev) refill_rx++; } np->refill_rx = refill_rx; - if (np->cur_rx - refill_rx == RX_RING) + if (np->cur_rx - refill_rx == np->rx_ring_size) return 1; return 0; } @@ -1110,14 +1302,14 @@ static void nv_do_rx_refill(unsigned long data) } } -static void nv_init_rx(struct net_device *dev) +static void nv_init_rx(struct net_device *dev) { struct fe_priv *np = netdev_priv(dev); int i; - np->cur_rx = RX_RING; + np->cur_rx = np->rx_ring_size; np->refill_rx = 0; - for (i = 0; i < RX_RING; i++) + for (i = 0; i < np->rx_ring_size; i++) if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) np->rx_ring.orig[i].FlagLen = 0; else @@ -1130,7 +1322,7 @@ static void nv_init_tx(struct net_device *dev) int i; np->next_tx = np->nic_tx = 0; - for (i = 0; i < TX_RING; i++) { + for (i = 0; i < np->tx_ring_size; i++) { if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) np->tx_ring.orig[i].FlagLen = 0; else @@ -1174,8 +1366,8 @@ static void nv_drain_tx(struct net_device *dev) { struct fe_priv *np = netdev_priv(dev); unsigned int i; - - for (i = 0; i < TX_RING; i++) { + + for (i = 0; i < np->tx_ring_size; i++) { if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) np->tx_ring.orig[i].FlagLen = 0; else @@ -1189,7 +1381,7 @@ static void nv_drain_rx(struct net_device *dev) { struct fe_priv *np = netdev_priv(dev); int i; - for (i = 0; i < RX_RING; i++) { + for (i = 0; i < np->rx_ring_size; i++) { if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) np->rx_ring.orig[i].FlagLen = 0; else @@ -1213,7 +1405,7 @@ static void drain_ring(struct net_device *dev) /* * nv_start_xmit: dev->hard_start_xmit function - * Called with dev->xmit_lock held. + * Called with netif_tx_lock held. */ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) { @@ -1221,8 +1413,8 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) u32 tx_flags = 0; u32 tx_flags_extra = (np->desc_ver == DESC_VER_1 ? NV_TX_LASTPACKET : NV_TX2_LASTPACKET); unsigned int fragments = skb_shinfo(skb)->nr_frags; - unsigned int nr = (np->next_tx - 1) % TX_RING; - unsigned int start_nr = np->next_tx % TX_RING; + unsigned int nr = (np->next_tx - 1) % np->tx_ring_size; + unsigned int start_nr = np->next_tx % np->tx_ring_size; unsigned int i; u32 offset = 0; u32 bcnt; @@ -1238,7 +1430,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) spin_lock_irq(&np->lock); - if ((np->next_tx - np->nic_tx + entries - 1) > TX_LIMIT_STOP) { + if ((np->next_tx - np->nic_tx + entries - 1) > np->tx_limit_stop) { spin_unlock_irq(&np->lock); netif_stop_queue(dev); return NETDEV_TX_BUSY; @@ -1247,7 +1439,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) /* setup the header buffer */ do { bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; - nr = (nr + 1) % TX_RING; + nr = (nr + 1) % np->tx_ring_size; np->tx_dma[nr] = pci_map_single(np->pci_dev, skb->data + offset, bcnt, PCI_DMA_TODEVICE); @@ -1274,7 +1466,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) do { bcnt = (size > NV_TX2_TSO_MAX_SIZE) ? NV_TX2_TSO_MAX_SIZE : size; - nr = (nr + 1) % TX_RING; + nr = (nr + 1) % np->tx_ring_size; np->tx_dma[nr] = pci_map_page(np->pci_dev, frag->page, frag->page_offset+offset, bcnt, PCI_DMA_TODEVICE); @@ -1320,7 +1512,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev) } else { np->tx_ring.ex[start_nr].TxVlan = cpu_to_le32(tx_flags_vlan); np->tx_ring.ex[start_nr].FlagLen |= cpu_to_le32(tx_flags | tx_flags_extra); - } + } dprintk(KERN_DEBUG "%s: nv_start_xmit: packet %d (entries %d) queued for transmission. tx_flags_extra: %x\n", dev->name, np->next_tx, entries, tx_flags_extra); @@ -1356,7 +1548,7 @@ static void nv_tx_done(struct net_device *dev) struct sk_buff *skb; while (np->nic_tx != np->next_tx) { - i = np->nic_tx % TX_RING; + i = np->nic_tx % np->tx_ring_size; if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) Flags = le32_to_cpu(np->tx_ring.orig[i].FlagLen); @@ -1395,19 +1587,19 @@ static void nv_tx_done(struct net_device *dev) } else { np->stats.tx_packets++; np->stats.tx_bytes += skb->len; - } + } } } nv_release_txskb(dev, i); np->nic_tx++; } - if (np->next_tx - np->nic_tx < TX_LIMIT_START) + if (np->next_tx - np->nic_tx < np->tx_limit_start) netif_wake_queue(dev); } /* * nv_tx_timeout: dev->tx_timeout function - * Called with dev->xmit_lock held. + * Called with netif_tx_lock held. */ static void nv_tx_timeout(struct net_device *dev) { @@ -1438,10 +1630,10 @@ static void nv_tx_timeout(struct net_device *dev) readl(base + i + 24), readl(base + i + 28)); } printk(KERN_INFO "%s: Dumping tx ring\n", dev->name); - for (i=0;i<TX_RING;i+= 4) { + for (i=0;i<np->tx_ring_size;i+= 4) { if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { printk(KERN_INFO "%03x: %08x %08x // %08x %08x // %08x %08x // %08x %08x\n", - i, + i, le32_to_cpu(np->tx_ring.orig[i].PacketBuffer), le32_to_cpu(np->tx_ring.orig[i].FlagLen), le32_to_cpu(np->tx_ring.orig[i+1].PacketBuffer), @@ -1452,7 +1644,7 @@ static void nv_tx_timeout(struct net_device *dev) le32_to_cpu(np->tx_ring.orig[i+3].FlagLen)); } else { printk(KERN_INFO "%03x: %08x %08x %08x // %08x %08x %08x // %08x %08x %08x // %08x %08x %08x\n", - i, + i, le32_to_cpu(np->tx_ring.ex[i].PacketBufferHigh), le32_to_cpu(np->tx_ring.ex[i].PacketBufferLow), le32_to_cpu(np->tx_ring.ex[i].FlagLen), @@ -1550,15 +1742,14 @@ static void nv_rx_process(struct net_device *dev) u32 Flags; u32 vlanflags = 0; - for (;;) { struct sk_buff *skb; int len; int i; - if (np->cur_rx - np->refill_rx >= RX_RING) + if (np->cur_rx - np->refill_rx >= np->rx_ring_size) break; /* we scanned the whole ring - do not continue */ - i = np->cur_rx % RX_RING; + i = np->cur_rx % np->rx_ring_size; if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { Flags = le32_to_cpu(np->rx_ring.orig[i].FlagLen); len = nv_descr_getlength(&np->rx_ring.orig[i], np->desc_ver); @@ -1665,14 +1856,16 @@ static void nv_rx_process(struct net_device *dev) } } } - Flags &= NV_RX2_CHECKSUMMASK; - if (Flags == NV_RX2_CHECKSUMOK1 || - Flags == NV_RX2_CHECKSUMOK2 || - Flags == NV_RX2_CHECKSUMOK3) { - dprintk(KERN_DEBUG "%s: hw checksum hit!.\n", dev->name); - np->rx_skbuff[i]->ip_summed = CHECKSUM_UNNECESSARY; - } else { - dprintk(KERN_DEBUG "%s: hwchecksum miss!.\n", dev->name); + if (np->txrxctl_bits & NVREG_TXRXCTL_RXCHECK) { + Flags &= NV_RX2_CHECKSUMMASK; + if (Flags == NV_RX2_CHECKSUMOK1 || + Flags == NV_RX2_CHECKSUMOK2 || + Flags == NV_RX2_CHECKSUMOK3) { + dprintk(KERN_DEBUG "%s: hw checksum hit!.\n", dev->name); + np->rx_skbuff[i]->ip_summed = CHECKSUM_UNNECESSARY; + } else { + dprintk(KERN_DEBUG "%s: hwchecksum miss!.\n", dev->name); + } } } /* got a valid packet - forward it to the network core */ @@ -1737,7 +1930,7 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu) * Changing the MTU is a rare event, it shouldn't matter. */ nv_disable_irq(dev); - spin_lock_bh(&dev->xmit_lock); + netif_tx_lock_bh(dev); spin_lock(&np->lock); /* stop engines */ nv_stop_rx(dev); @@ -1747,18 +1940,15 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu) nv_drain_rx(dev); nv_drain_tx(dev); /* reinit driver view of the rx queue */ - nv_init_rx(dev); - nv_init_tx(dev); - /* alloc new rx buffers */ set_bufsize(dev); - if (nv_alloc_rx(dev)) { + if (nv_init_ring(dev)) { if (!np->in_shutdown) mod_timer(&np->oom_kick, jiffies + OOM_REFILL); } /* reinit nic view of the rx queue */ writel(np->rx_buf_sz, base + NvRegOffloadConfig); setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); - writel( ((RX_RING-1) << NVREG_RINGSZ_RXSHIFT) + ((TX_RING-1) << NVREG_RINGSZ_TXSHIFT), + writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), base + NvRegRingSizes); pci_push(base); writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); @@ -1768,7 +1958,7 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu) nv_start_rx(dev); nv_start_tx(dev); spin_unlock(&np->lock); - spin_unlock_bh(&dev->xmit_lock); + netif_tx_unlock_bh(dev); nv_enable_irq(dev); } return 0; @@ -1803,7 +1993,7 @@ static int nv_set_mac_address(struct net_device *dev, void *addr) memcpy(dev->dev_addr, macaddr->sa_data, ETH_ALEN); if (netif_running(dev)) { - spin_lock_bh(&dev->xmit_lock); + netif_tx_lock_bh(dev); spin_lock_irq(&np->lock); /* stop rx engine */ @@ -1815,7 +2005,7 @@ static int nv_set_mac_address(struct net_device *dev, void *addr) /* restart rx engine */ nv_start_rx(dev); spin_unlock_irq(&np->lock); - spin_unlock_bh(&dev->xmit_lock); + netif_tx_unlock_bh(dev); } else { nv_copy_mac_to_hw(dev); } @@ -1824,7 +2014,7 @@ static int nv_set_mac_address(struct net_device *dev, void *addr) /* * nv_set_multicast: dev->set_multicast function - * Called with dev->xmit_lock held. + * Called with netif_tx_lock held. */ static void nv_set_multicast(struct net_device *dev) { @@ -1832,16 +2022,16 @@ static void nv_set_multicast(struct net_device *dev) u8 __iomem *base = get_hwbase(dev); u32 addr[2]; u32 mask[2]; - u32 pff; + u32 pff = readl(base + NvRegPacketFilterFlags) & NVREG_PFF_PAUSE_RX; memset(addr, 0, sizeof(addr)); memset(mask, 0, sizeof(mask)); if (dev->flags & IFF_PROMISC) { printk(KERN_NOTICE "%s: Promiscuous mode enabled.\n", dev->name); - pff = NVREG_PFF_PROMISC; + pff |= NVREG_PFF_PROMISC; } else { - pff = NVREG_PFF_MYADDR; + pff |= NVREG_PFF_MYADDR; if (dev->flags & IFF_ALLMULTI || dev->mc_list) { u32 alwaysOff[2]; @@ -1886,6 +2076,35 @@ static void nv_set_multicast(struct net_device *dev) spin_unlock_irq(&np->lock); } +void nv_update_pause(struct net_device *dev, u32 pause_flags) +{ + struct fe_priv *np = netdev_priv(dev); + u8 __iomem *base = get_hwbase(dev); + + np->pause_flags &= ~(NV_PAUSEFRAME_TX_ENABLE | NV_PAUSEFRAME_RX_ENABLE); + + if (np->pause_flags & NV_PAUSEFRAME_RX_CAPABLE) { + u32 pff = readl(base + NvRegPacketFilterFlags) & ~NVREG_PFF_PAUSE_RX; + if (pause_flags & NV_PAUSEFRAME_RX_ENABLE) { + writel(pff|NVREG_PFF_PAUSE_RX, base + NvRegPacketFilterFlags); + np->pause_flags |= NV_PAUSEFRAME_RX_ENABLE; + } else { + writel(pff, base + NvRegPacketFilterFlags); + } + } + if (np->pause_flags & NV_PAUSEFRAME_TX_CAPABLE) { + u32 regmisc = readl(base + NvRegMisc1) & ~NVREG_MISC1_PAUSE_TX; + if (pause_flags & NV_PAUSEFRAME_TX_ENABLE) { + writel(NVREG_TX_PAUSEFRAME_ENABLE, base + NvRegTxPauseFrame); + writel(regmisc|NVREG_MISC1_PAUSE_TX, base + NvRegMisc1); + np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE; + } else { + writel(NVREG_TX_PAUSEFRAME_DISABLE, base + NvRegTxPauseFrame); + writel(regmisc, base + NvRegMisc1); + } + } +} + /** * nv_update_linkspeed: Setup the MAC according to the link partner * @dev: Network device to be configured @@ -1901,12 +2120,14 @@ static int nv_update_linkspeed(struct net_device *dev) { struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); - int adv, lpa; + int adv = 0; + int lpa = 0; + int adv_lpa, adv_pause, lpa_pause; int newls = np->linkspeed; int newdup = np->duplex; int mii_status; int retval = 0; - u32 control_1000, status_1000, phyreg; + u32 control_1000, status_1000, phyreg, pause_flags; /* BMSR_LSTATUS is latched, read it twice: * we want the current value. @@ -1952,10 +2173,15 @@ static int nv_update_linkspeed(struct net_device *dev) goto set_speed; } + adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); + lpa = mii_rw(dev, np->phyaddr, MII_LPA, MII_READ); + dprintk(KERN_DEBUG "%s: nv_update_linkspeed: PHY advertises 0x%04x, lpa 0x%04x.\n", + dev->name, adv, lpa); + retval = 1; if (np->gigabit == PHY_GIGABIT) { - control_1000 = mii_rw(dev, np->phyaddr, MII_1000BT_CR, MII_READ); - status_1000 = mii_rw(dev, np->phyaddr, MII_1000BT_SR, MII_READ); + control_1000 = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); + status_1000 = mii_rw(dev, np->phyaddr, MII_STAT1000, MII_READ); if ((control_1000 & ADVERTISE_1000FULL) && (status_1000 & LPA_1000FULL)) { @@ -1967,27 +2193,22 @@ static int nv_update_linkspeed(struct net_device *dev) } } - adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); - lpa = mii_rw(dev, np->phyaddr, MII_LPA, MII_READ); - dprintk(KERN_DEBUG "%s: nv_update_linkspeed: PHY advertises 0x%04x, lpa 0x%04x.\n", - dev->name, adv, lpa); - /* FIXME: handle parallel detection properly */ - lpa = lpa & adv; - if (lpa & LPA_100FULL) { + adv_lpa = lpa & adv; + if (adv_lpa & LPA_100FULL) { newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; newdup = 1; - } else if (lpa & LPA_100HALF) { + } else if (adv_lpa & LPA_100HALF) { newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100; newdup = 0; - } else if (lpa & LPA_10FULL) { + } else if (adv_lpa & LPA_10FULL) { newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; newdup = 1; - } else if (lpa & LPA_10HALF) { + } else if (adv_lpa & LPA_10HALF) { newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; newdup = 0; } else { - dprintk(KERN_DEBUG "%s: bad ability %04x - falling back to 10HD.\n", dev->name, lpa); + dprintk(KERN_DEBUG "%s: bad ability %04x - falling back to 10HD.\n", dev->name, adv_lpa); newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10; newdup = 0; } @@ -2030,6 +2251,46 @@ set_speed: writel(np->linkspeed, base + NvRegLinkSpeed); pci_push(base); + pause_flags = 0; + /* setup pause frame */ + if (np->duplex != 0) { + if (np->autoneg && np->pause_flags & NV_PAUSEFRAME_AUTONEG) { + adv_pause = adv & (ADVERTISE_PAUSE_CAP| ADVERTISE_PAUSE_ASYM); + lpa_pause = lpa & (LPA_PAUSE_CAP| LPA_PAUSE_ASYM); + + switch (adv_pause) { + case (ADVERTISE_PAUSE_CAP): + if (lpa_pause & LPA_PAUSE_CAP) { + pause_flags |= NV_PAUSEFRAME_RX_ENABLE; + if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) + pause_flags |= NV_PAUSEFRAME_TX_ENABLE; + } + break; + case (ADVERTISE_PAUSE_ASYM): + if (lpa_pause == (LPA_PAUSE_CAP| LPA_PAUSE_ASYM)) + { + pause_flags |= NV_PAUSEFRAME_TX_ENABLE; + } + break; + case (ADVERTISE_PAUSE_CAP| ADVERTISE_PAUSE_ASYM): + if (lpa_pause & LPA_PAUSE_CAP) + { + pause_flags |= NV_PAUSEFRAME_RX_ENABLE; + if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) + pause_flags |= NV_PAUSEFRAME_TX_ENABLE; + } + if (lpa_pause == LPA_PAUSE_ASYM) + { + pause_flags |= NV_PAUSEFRAME_RX_ENABLE; + } + break; + } + } else { + pause_flags = np->pause_flags; + } + } + nv_update_pause(dev, pause_flags); + return retval; } @@ -2090,7 +2351,7 @@ static irqreturn_t nv_nic_irq(int foo, void *data, struct pt_regs *regs) spin_lock(&np->lock); nv_tx_done(dev); spin_unlock(&np->lock); - + nv_rx_process(dev); if (nv_alloc_rx(dev)) { spin_lock(&np->lock); @@ -2098,7 +2359,7 @@ static irqreturn_t nv_nic_irq(int foo, void *data, struct pt_regs *regs) mod_timer(&np->oom_kick, jiffies + OOM_REFILL); spin_unlock(&np->lock); } - + if (events & NVREG_IRQ_LINK) { spin_lock(&np->lock); nv_link_irq(dev); @@ -2163,7 +2424,7 @@ static irqreturn_t nv_nic_irq_tx(int foo, void *data, struct pt_regs *regs) spin_lock_irq(&np->lock); nv_tx_done(dev); spin_unlock_irq(&np->lock); - + if (events & (NVREG_IRQ_TX_ERR)) { dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n", dev->name, events); @@ -2206,7 +2467,7 @@ static irqreturn_t nv_nic_irq_rx(int foo, void *data, struct pt_regs *regs) dprintk(KERN_DEBUG "%s: rx irq: %08x\n", dev->name, events); if (!(events & np->irqmask)) break; - + nv_rx_process(dev); if (nv_alloc_rx(dev)) { spin_lock_irq(&np->lock); @@ -2214,7 +2475,7 @@ static irqreturn_t nv_nic_irq_rx(int foo, void *data, struct pt_regs *regs) mod_timer(&np->oom_kick, jiffies + OOM_REFILL); spin_unlock_irq(&np->lock); } - + if (i > max_interrupt_work) { spin_lock_irq(&np->lock); /* disable interrupts on the nic */ @@ -2253,7 +2514,7 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs) dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events); if (!(events & np->irqmask)) break; - + if (events & NVREG_IRQ_LINK) { spin_lock_irq(&np->lock); nv_link_irq(dev); @@ -2290,6 +2551,175 @@ static irqreturn_t nv_nic_irq_other(int foo, void *data, struct pt_regs *regs) return IRQ_RETVAL(i); } +static irqreturn_t nv_nic_irq_test(int foo, void *data, struct pt_regs *regs) +{ + struct net_device *dev = (struct net_device *) data; + struct fe_priv *np = netdev_priv(dev); + u8 __iomem *base = get_hwbase(dev); + u32 events; + + dprintk(KERN_DEBUG "%s: nv_nic_irq_test\n", dev->name); + + if (!(np->msi_flags & NV_MSI_X_ENABLED)) { + events = readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK; + writel(NVREG_IRQ_TIMER, base + NvRegIrqStatus); + } else { + events = readl(base + NvRegMSIXIrqStatus) & NVREG_IRQSTAT_MASK; + writel(NVREG_IRQ_TIMER, base + NvRegMSIXIrqStatus); + } + pci_push(base); + dprintk(KERN_DEBUG "%s: irq: %08x\n", dev->name, events); + if (!(events & NVREG_IRQ_TIMER)) + return IRQ_RETVAL(0); + + spin_lock(&np->lock); + np->intr_test = 1; + spin_unlock(&np->lock); + + dprintk(KERN_DEBUG "%s: nv_nic_irq_test completed\n", dev->name); + + return IRQ_RETVAL(1); +} + +static void set_msix_vector_map(struct net_device *dev, u32 vector, u32 irqmask) +{ + u8 __iomem *base = get_hwbase(dev); + int i; + u32 msixmap = 0; + + /* Each interrupt bit can be mapped to a MSIX vector (4 bits). + * MSIXMap0 represents the first 8 interrupts and MSIXMap1 represents + * the remaining 8 interrupts. + */ + for (i = 0; i < 8; i++) { + if ((irqmask >> i) & 0x1) { + msixmap |= vector << (i << 2); + } + } + writel(readl(base + NvRegMSIXMap0) | msixmap, base + NvRegMSIXMap0); + + msixmap = 0; + for (i = 0; i < 8; i++) { + if ((irqmask >> (i + 8)) & 0x1) { + msixmap |= vector << (i << 2); + } + } + writel(readl(base + NvRegMSIXMap1) | msixmap, base + NvRegMSIXMap1); +} + +static int nv_request_irq(struct net_device *dev, int intr_test) +{ + struct fe_priv *np = get_nvpriv(dev); + u8 __iomem *base = get_hwbase(dev); + int ret = 1; + int i; + + if (np->msi_flags & NV_MSI_X_CAPABLE) { + for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) { + np->msi_x_entry[i].entry = i; + } + if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) { + np->msi_flags |= NV_MSI_X_ENABLED; + if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT && !intr_test) { + /* Request irq for rx handling */ + if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, SA_SHIRQ, dev->name, dev) != 0) { + printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret); + pci_disable_msix(np->pci_dev); + np->msi_flags &= ~NV_MSI_X_ENABLED; + goto out_err; + } + /* Request irq for tx handling */ + if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, SA_SHIRQ, dev->name, dev) != 0) { + printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret); + pci_disable_msix(np->pci_dev); + np->msi_flags &= ~NV_MSI_X_ENABLED; + goto out_free_rx; + } + /* Request irq for link and timer handling */ + if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, SA_SHIRQ, dev->name, dev) != 0) { + printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret); + pci_disable_msix(np->pci_dev); + np->msi_flags &= ~NV_MSI_X_ENABLED; + goto out_free_tx; + } + /* map interrupts to their respective vector */ + writel(0, base + NvRegMSIXMap0); + writel(0, base + NvRegMSIXMap1); + set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL); + set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL); + set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER); + } else { + /* Request irq for all interrupts */ + if ((!intr_test && + request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) || + (intr_test && + request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq_test, SA_SHIRQ, dev->name, dev) != 0)) { + printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret); + pci_disable_msix(np->pci_dev); + np->msi_flags &= ~NV_MSI_X_ENABLED; + goto out_err; + } + + /* map interrupts to vector 0 */ + writel(0, base + NvRegMSIXMap0); + writel(0, base + NvRegMSIXMap1); + } + } + } + if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) { + if ((ret = pci_enable_msi(np->pci_dev)) == 0) { + np->msi_flags |= NV_MSI_ENABLED; + if ((!intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) || + (intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq_test, SA_SHIRQ, dev->name, dev) != 0)) { + printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret); + pci_disable_msi(np->pci_dev); + np->msi_flags &= ~NV_MSI_ENABLED; + goto out_err; + } + + /* map interrupts to vector 0 */ + writel(0, base + NvRegMSIMap0); + writel(0, base + NvRegMSIMap1); + /* enable msi vector 0 */ + writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask); + } + } + if (ret != 0) { + if ((!intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) || + (intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq_test, SA_SHIRQ, dev->name, dev) != 0)) + goto out_err; + + } + + return 0; +out_free_tx: + free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, dev); +out_free_rx: + free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, dev); +out_err: + return 1; +} + +static void nv_free_irq(struct net_device *dev) +{ + struct fe_priv *np = get_nvpriv(dev); + int i; + + if (np->msi_flags & NV_MSI_X_ENABLED) { + for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) { + free_irq(np->msi_x_entry[i].vector, dev); + } + pci_disable_msix(np->pci_dev); + np->msi_flags &= ~NV_MSI_X_ENABLED; + } else { + free_irq(np->pci_dev->irq, dev); + if (np->msi_flags & NV_MSI_ENABLED) { + pci_disable_msi(np->pci_dev); + np->msi_flags &= ~NV_MSI_ENABLED; + } + } +} + static void nv_do_nic_poll(unsigned long data) { struct net_device *dev = (struct net_device *) data; @@ -2326,7 +2756,7 @@ static void nv_do_nic_poll(unsigned long data) np->nic_poll_irq = 0; /* FIXME: Do we need synchronize_irq(dev->irq) here? */ - + writel(mask, base + NvRegIrqMask); pci_push(base); @@ -2359,6 +2789,56 @@ static void nv_poll_controller(struct net_device *dev) } #endif +static void nv_do_stats_poll(unsigned long data) +{ + struct net_device *dev = (struct net_device *) data; + struct fe_priv *np = netdev_priv(dev); + u8 __iomem *base = get_hwbase(dev); + + np->estats.tx_bytes += readl(base + NvRegTxCnt); + np->estats.tx_zero_rexmt += readl(base + NvRegTxZeroReXmt); + np->estats.tx_one_rexmt += readl(base + NvRegTxOneReXmt); + np->estats.tx_many_rexmt += readl(base + NvRegTxManyReXmt); + np->estats.tx_late_collision += readl(base + NvRegTxLateCol); + np->estats.tx_fifo_errors += readl(base + NvRegTxUnderflow); + np->estats.tx_carrier_errors += readl(base + NvRegTxLossCarrier); + np->estats.tx_excess_deferral += readl(base + NvRegTxExcessDef); + np->estats.tx_retry_error += readl(base + NvRegTxRetryErr); + np->estats.tx_deferral += readl(base + NvRegTxDef); + np->estats.tx_packets += readl(base + NvRegTxFrame); + np->estats.tx_pause += readl(base + NvRegTxPause); + np->estats.rx_frame_error += readl(base + NvRegRxFrameErr); + np->estats.rx_extra_byte += readl(base + NvRegRxExtraByte); + np->estats.rx_late_collision += readl(base + NvRegRxLateCol); + np->estats.rx_runt += readl(base + NvRegRxRunt); + np->estats.rx_frame_too_long += readl(base + NvRegRxFrameTooLong); + np->estats.rx_over_errors += readl(base + NvRegRxOverflow); + np->estats.rx_crc_errors += readl(base + NvRegRxFCSErr); + np->estats.rx_frame_align_error += readl(base + NvRegRxFrameAlignErr); + np->estats.rx_length_error += readl(base + NvRegRxLenErr); + np->estats.rx_unicast += readl(base + NvRegRxUnicast); + np->estats.rx_multicast += readl(base + NvRegRxMulticast); + np->estats.rx_broadcast += readl(base + NvRegRxBroadcast); + np->estats.rx_bytes += readl(base + NvRegRxCnt); + np->estats.rx_pause += readl(base + NvRegRxPause); + np->estats.rx_drop_frame += readl(base + NvRegRxDropFrame); + np->estats.rx_packets = + np->estats.rx_unicast + + np->estats.rx_multicast + + np->estats.rx_broadcast; + np->estats.rx_errors_total = + np->estats.rx_crc_errors + + np->estats.rx_over_errors + + np->estats.rx_frame_error + + (np->estats.rx_frame_align_error - np->estats.rx_extra_byte) + + np->estats.rx_late_collision + + np->estats.rx_runt + + np->estats.rx_frame_too_long; + + if (!np->in_shutdown) + mod_timer(&np->stats_poll, jiffies + STATS_INTERVAL); +} + static void nv_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { struct fe_priv *np = netdev_priv(dev); @@ -2382,17 +2862,19 @@ static int nv_set_wol(struct net_device *dev, struct ethtool_wolinfo *wolinfo) { struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); + u32 flags = 0; - spin_lock_irq(&np->lock); if (wolinfo->wolopts == 0) { - writel(0, base + NvRegWakeUpFlags); np->wolenabled = 0; - } - if (wolinfo->wolopts & WAKE_MAGIC) { - writel(NVREG_WAKEUPFLAGS_ENABLE, base + NvRegWakeUpFlags); + } else if (wolinfo->wolopts & WAKE_MAGIC) { np->wolenabled = 1; + flags = NVREG_WAKEUPFLAGS_ENABLE; + } + if (netif_running(dev)) { + spin_lock_irq(&np->lock); + writel(flags, base + NvRegWakeUpFlags); + spin_unlock_irq(&np->lock); } - spin_unlock_irq(&np->lock); return 0; } @@ -2406,9 +2888,17 @@ static int nv_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) if (!netif_running(dev)) { /* We do not track link speed / duplex setting if the * interface is disabled. Force a link check */ - nv_update_linkspeed(dev); + if (nv_update_linkspeed(dev)) { + if (!netif_carrier_ok(dev)) + netif_carrier_on(dev); + } else { + if (netif_carrier_ok(dev)) + netif_carrier_off(dev); + } } - switch(np->linkspeed & (NVREG_LINKSPEED_MASK)) { + + if (netif_carrier_ok(dev)) { + switch(np->linkspeed & (NVREG_LINKSPEED_MASK)) { case NVREG_LINKSPEED_10: ecmd->speed = SPEED_10; break; @@ -2418,10 +2908,14 @@ static int nv_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) case NVREG_LINKSPEED_1000: ecmd->speed = SPEED_1000; break; + } + ecmd->duplex = DUPLEX_HALF; + if (np->duplex) + ecmd->duplex = DUPLEX_FULL; + } else { + ecmd->speed = -1; + ecmd->duplex = -1; } - ecmd->duplex = DUPLEX_HALF; - if (np->duplex) - ecmd->duplex = DUPLEX_FULL; ecmd->autoneg = np->autoneg; @@ -2429,23 +2923,20 @@ static int nv_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd) if (np->autoneg) { ecmd->advertising |= ADVERTISED_Autoneg; adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); - } else { - adv = np->fixed_mode; - } - if (adv & ADVERTISE_10HALF) - ecmd->advertising |= ADVERTISED_10baseT_Half; - if (adv & ADVERTISE_10FULL) - ecmd->advertising |= ADVERTISED_10baseT_Full; - if (adv & ADVERTISE_100HALF) - ecmd->advertising |= ADVERTISED_100baseT_Half; - if (adv & ADVERTISE_100FULL) - ecmd->advertising |= ADVERTISED_100baseT_Full; - if (np->autoneg && np->gigabit == PHY_GIGABIT) { - adv = mii_rw(dev, np->phyaddr, MII_1000BT_CR, MII_READ); - if (adv & ADVERTISE_1000FULL) - ecmd->advertising |= ADVERTISED_1000baseT_Full; + if (adv & ADVERTISE_10HALF) + ecmd->advertising |= ADVERTISED_10baseT_Half; + if (adv & ADVERTISE_10FULL) + ecmd->advertising |= ADVERTISED_10baseT_Full; + if (adv & ADVERTISE_100HALF) + ecmd->advertising |= ADVERTISED_100baseT_Half; + if (adv & ADVERTISE_100FULL) + ecmd->advertising |= ADVERTISED_100baseT_Full; + if (np->gigabit == PHY_GIGABIT) { + adv = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); + if (adv & ADVERTISE_1000FULL) + ecmd->advertising |= ADVERTISED_1000baseT_Full; + } } - ecmd->supported = (SUPPORTED_Autoneg | SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full | @@ -2497,7 +2988,18 @@ static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) return -EINVAL; } - spin_lock_irq(&np->lock); + netif_carrier_off(dev); + if (netif_running(dev)) { + nv_disable_irq(dev); + spin_lock_bh(&dev->xmit_lock); + spin_lock(&np->lock); + /* stop engines */ + nv_stop_rx(dev); + nv_stop_tx(dev); + spin_unlock(&np->lock); + spin_unlock_bh(&dev->xmit_lock); + } + if (ecmd->autoneg == AUTONEG_ENABLE) { int adv, bmcr; @@ -2505,7 +3007,7 @@ static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) /* advertise only what has been requested */ adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); - adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4); + adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); if (ecmd->advertising & ADVERTISED_10baseT_Half) adv |= ADVERTISE_10HALF; if (ecmd->advertising & ADVERTISED_10baseT_Full) @@ -2514,16 +3016,22 @@ static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) adv |= ADVERTISE_100HALF; if (ecmd->advertising & ADVERTISED_100baseT_Full) adv |= ADVERTISE_100FULL; + if (np->pause_flags & NV_PAUSEFRAME_RX_REQ) /* for rx we set both advertisments but disable tx pause */ + adv |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; + if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) + adv |= ADVERTISE_PAUSE_ASYM; mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv); if (np->gigabit == PHY_GIGABIT) { - adv = mii_rw(dev, np->phyaddr, MII_1000BT_CR, MII_READ); + adv = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); adv &= ~ADVERTISE_1000FULL; if (ecmd->advertising & ADVERTISED_1000baseT_Full) adv |= ADVERTISE_1000FULL; - mii_rw(dev, np->phyaddr, MII_1000BT_CR, adv); + mii_rw(dev, np->phyaddr, MII_CTRL1000, adv); } + if (netif_running(dev)) + printk(KERN_INFO "%s: link down.\n", dev->name); bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); @@ -2534,7 +3042,7 @@ static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) np->autoneg = 0; adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); - adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4); + adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); if (ecmd->speed == SPEED_10 && ecmd->duplex == DUPLEX_HALF) adv |= ADVERTISE_10HALF; if (ecmd->speed == SPEED_10 && ecmd->duplex == DUPLEX_FULL) @@ -2543,30 +3051,49 @@ static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) adv |= ADVERTISE_100HALF; if (ecmd->speed == SPEED_100 && ecmd->duplex == DUPLEX_FULL) adv |= ADVERTISE_100FULL; + np->pause_flags &= ~(NV_PAUSEFRAME_AUTONEG|NV_PAUSEFRAME_RX_ENABLE|NV_PAUSEFRAME_TX_ENABLE); + if (np->pause_flags & NV_PAUSEFRAME_RX_REQ) {/* for rx we set both advertisments but disable tx pause */ + adv |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; + np->pause_flags |= NV_PAUSEFRAME_RX_ENABLE; + } + if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) { + adv |= ADVERTISE_PAUSE_ASYM; + np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE; + } mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv); np->fixed_mode = adv; if (np->gigabit == PHY_GIGABIT) { - adv = mii_rw(dev, np->phyaddr, MII_1000BT_CR, MII_READ); + adv = mii_rw(dev, np->phyaddr, MII_CTRL1000, MII_READ); adv &= ~ADVERTISE_1000FULL; - mii_rw(dev, np->phyaddr, MII_1000BT_CR, adv); + mii_rw(dev, np->phyaddr, MII_CTRL1000, adv); } bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); - bmcr |= ~(BMCR_ANENABLE|BMCR_SPEED100|BMCR_FULLDPLX); - if (adv & (ADVERTISE_10FULL|ADVERTISE_100FULL)) + bmcr &= ~(BMCR_ANENABLE|BMCR_SPEED100|BMCR_SPEED1000|BMCR_FULLDPLX); + if (np->fixed_mode & (ADVERTISE_10FULL|ADVERTISE_100FULL)) bmcr |= BMCR_FULLDPLX; - if (adv & (ADVERTISE_100HALF|ADVERTISE_100FULL)) + if (np->fixed_mode & (ADVERTISE_100HALF|ADVERTISE_100FULL)) bmcr |= BMCR_SPEED100; mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); - - if (netif_running(dev)) { + if (np->phy_oui == PHY_OUI_MARVELL) { + /* reset the phy */ + if (phy_reset(dev)) { + printk(KERN_INFO "%s: phy reset failed\n", dev->name); + return -EINVAL; + } + } else if (netif_running(dev)) { /* Wait a bit and then reconfigure the nic. */ udelay(10); nv_linkchange(dev); } } - spin_unlock_irq(&np->lock); + + if (netif_running(dev)) { + nv_start_rx(dev); + nv_start_tx(dev); + nv_enable_irq(dev); + } return 0; } @@ -2598,24 +3125,39 @@ static int nv_nway_reset(struct net_device *dev) struct fe_priv *np = netdev_priv(dev); int ret; - spin_lock_irq(&np->lock); if (np->autoneg) { int bmcr; + netif_carrier_off(dev); + if (netif_running(dev)) { + nv_disable_irq(dev); + spin_lock_bh(&dev->xmit_lock); + spin_lock(&np->lock); + /* stop engines */ + nv_stop_rx(dev); + nv_stop_tx(dev); + spin_unlock(&np->lock); + spin_unlock_bh(&dev->xmit_lock); + printk(KERN_INFO "%s: link down.\n", dev->name); + } + bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); + if (netif_running(dev)) { + nv_start_rx(dev); + nv_start_tx(dev); + nv_enable_irq(dev); + } ret = 0; } else { ret = -EINVAL; } - spin_unlock_irq(&np->lock); return ret; } -#ifdef NETIF_F_TSO static int nv_set_tso(struct net_device *dev, u32 value) { struct fe_priv *np = netdev_priv(dev); @@ -2623,187 +3165,702 @@ static int nv_set_tso(struct net_device *dev, u32 value) if ((np->driver_data & DEV_HAS_CHECKSUM)) return ethtool_op_set_tso(dev, value); else - return value ? -EOPNOTSUPP : 0; + return -EOPNOTSUPP; } -#endif -static struct ethtool_ops ops = { - .get_drvinfo = nv_get_drvinfo, - .get_link = ethtool_op_get_link, - .get_wol = nv_get_wol, - .set_wol = nv_set_wol, - .get_settings = nv_get_settings, - .set_settings = nv_set_settings, - .get_regs_len = nv_get_regs_len, - .get_regs = nv_get_regs, - .nway_reset = nv_nway_reset, - .get_perm_addr = ethtool_op_get_perm_addr, -#ifdef NETIF_F_TSO - .get_tso = ethtool_op_get_tso, - .set_tso = nv_set_tso -#endif -}; +static void nv_get_ringparam(struct net_device *dev, struct ethtool_ringparam* ring) +{ + struct fe_priv *np = netdev_priv(dev); -static void nv_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) + ring->rx_max_pending = (np->desc_ver == DESC_VER_1) ? RING_MAX_DESC_VER_1 : RING_MAX_DESC_VER_2_3; + ring->rx_mini_max_pending = 0; + ring->rx_jumbo_max_pending = 0; + ring->tx_max_pending = (np->desc_ver == DESC_VER_1) ? RING_MAX_DESC_VER_1 : RING_MAX_DESC_VER_2_3; + + ring->rx_pending = np->rx_ring_size; + ring->rx_mini_pending = 0; + ring->rx_jumbo_pending = 0; + ring->tx_pending = np->tx_ring_size; +} + +static int nv_set_ringparam(struct net_device *dev, struct ethtool_ringparam* ring) { - struct fe_priv *np = get_nvpriv(dev); + struct fe_priv *np = netdev_priv(dev); + u8 __iomem *base = get_hwbase(dev); + u8 *rxtx_ring, *rx_skbuff, *tx_skbuff, *rx_dma, *tx_dma, *tx_dma_len; + dma_addr_t ring_addr; - spin_lock_irq(&np->lock); + if (ring->rx_pending < RX_RING_MIN || + ring->tx_pending < TX_RING_MIN || + ring->rx_mini_pending != 0 || + ring->rx_jumbo_pending != 0 || + (np->desc_ver == DESC_VER_1 && + (ring->rx_pending > RING_MAX_DESC_VER_1 || + ring->tx_pending > RING_MAX_DESC_VER_1)) || + (np->desc_ver != DESC_VER_1 && + (ring->rx_pending > RING_MAX_DESC_VER_2_3 || + ring->tx_pending > RING_MAX_DESC_VER_2_3))) { + return -EINVAL; + } - /* save vlan group */ - np->vlangrp = grp; + /* allocate new rings */ + if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { + rxtx_ring = pci_alloc_consistent(np->pci_dev, + sizeof(struct ring_desc) * (ring->rx_pending + ring->tx_pending), + &ring_addr); + } else { + rxtx_ring = pci_alloc_consistent(np->pci_dev, + sizeof(struct ring_desc_ex) * (ring->rx_pending + ring->tx_pending), + &ring_addr); + } + rx_skbuff = kmalloc(sizeof(struct sk_buff*) * ring->rx_pending, GFP_KERNEL); + rx_dma = kmalloc(sizeof(dma_addr_t) * ring->rx_pending, GFP_KERNEL); + tx_skbuff = kmalloc(sizeof(struct sk_buff*) * ring->tx_pending, GFP_KERNEL); + tx_dma = kmalloc(sizeof(dma_addr_t) * ring->tx_pending, GFP_KERNEL); + tx_dma_len = kmalloc(sizeof(unsigned int) * ring->tx_pending, GFP_KERNEL); + if (!rxtx_ring || !rx_skbuff || !rx_dma || !tx_skbuff || !tx_dma || !tx_dma_len) { + /* fall back to old rings */ + if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { + if(rxtx_ring) + pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (ring->rx_pending + ring->tx_pending), + rxtx_ring, ring_addr); + } else { + if (rxtx_ring) + pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (ring->rx_pending + ring->tx_pending), + rxtx_ring, ring_addr); + } + if (rx_skbuff) + kfree(rx_skbuff); + if (rx_dma) + kfree(rx_dma); + if (tx_skbuff) + kfree(tx_skbuff); + if (tx_dma) + kfree(tx_dma); + if (tx_dma_len) + kfree(tx_dma_len); + goto exit; + } - if (grp) { - /* enable vlan on MAC */ - np->txrxctl_bits |= NVREG_TXRXCTL_VLANSTRIP | NVREG_TXRXCTL_VLANINS; + if (netif_running(dev)) { + nv_disable_irq(dev); + spin_lock_bh(&dev->xmit_lock); + spin_lock(&np->lock); + /* stop engines */ + nv_stop_rx(dev); + nv_stop_tx(dev); + nv_txrx_reset(dev); + /* drain queues */ + nv_drain_rx(dev); + nv_drain_tx(dev); + /* delete queues */ + free_rings(dev); + } + + /* set new values */ + np->rx_ring_size = ring->rx_pending; + np->tx_ring_size = ring->tx_pending; + np->tx_limit_stop = ring->tx_pending - TX_LIMIT_DIFFERENCE; + np->tx_limit_start = ring->tx_pending - TX_LIMIT_DIFFERENCE - 1; + if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { + np->rx_ring.orig = (struct ring_desc*)rxtx_ring; + np->tx_ring.orig = &np->rx_ring.orig[np->rx_ring_size]; } else { - /* disable vlan on MAC */ - np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANSTRIP; - np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANINS; + np->rx_ring.ex = (struct ring_desc_ex*)rxtx_ring; + np->tx_ring.ex = &np->rx_ring.ex[np->rx_ring_size]; } + np->rx_skbuff = (struct sk_buff**)rx_skbuff; + np->rx_dma = (dma_addr_t*)rx_dma; + np->tx_skbuff = (struct sk_buff**)tx_skbuff; + np->tx_dma = (dma_addr_t*)tx_dma; + np->tx_dma_len = (unsigned int*)tx_dma_len; + np->ring_addr = ring_addr; + + memset(np->rx_skbuff, 0, sizeof(struct sk_buff*) * np->rx_ring_size); + memset(np->rx_dma, 0, sizeof(dma_addr_t) * np->rx_ring_size); + memset(np->tx_skbuff, 0, sizeof(struct sk_buff*) * np->tx_ring_size); + memset(np->tx_dma, 0, sizeof(dma_addr_t) * np->tx_ring_size); + memset(np->tx_dma_len, 0, sizeof(unsigned int) * np->tx_ring_size); - writel(np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); + if (netif_running(dev)) { + /* reinit driver view of the queues */ + set_bufsize(dev); + if (nv_init_ring(dev)) { + if (!np->in_shutdown) + mod_timer(&np->oom_kick, jiffies + OOM_REFILL); + } - spin_unlock_irq(&np->lock); -}; + /* reinit nic view of the queues */ + writel(np->rx_buf_sz, base + NvRegOffloadConfig); + setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); + writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), + base + NvRegRingSizes); + pci_push(base); + writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); + pci_push(base); -static void nv_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) + /* restart engines */ + nv_start_rx(dev); + nv_start_tx(dev); + spin_unlock(&np->lock); + spin_unlock_bh(&dev->xmit_lock); + nv_enable_irq(dev); + } + return 0; +exit: + return -ENOMEM; +} + +static void nv_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam* pause) { - /* nothing to do */ -}; + struct fe_priv *np = netdev_priv(dev); -static void set_msix_vector_map(struct net_device *dev, u32 vector, u32 irqmask) + pause->autoneg = (np->pause_flags & NV_PAUSEFRAME_AUTONEG) != 0; + pause->rx_pause = (np->pause_flags & NV_PAUSEFRAME_RX_ENABLE) != 0; + pause->tx_pause = (np->pause_flags & NV_PAUSEFRAME_TX_ENABLE) != 0; +} + +static int nv_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam* pause) +{ + struct fe_priv *np = netdev_priv(dev); + int adv, bmcr; + + if ((!np->autoneg && np->duplex == 0) || + (np->autoneg && !pause->autoneg && np->duplex == 0)) { + printk(KERN_INFO "%s: can not set pause settings when forced link is in half duplex.\n", + dev->name); + return -EINVAL; + } + if (pause->tx_pause && !(np->pause_flags & NV_PAUSEFRAME_TX_CAPABLE)) { + printk(KERN_INFO "%s: hardware does not support tx pause frames.\n", dev->name); + return -EINVAL; + } + + netif_carrier_off(dev); + if (netif_running(dev)) { + nv_disable_irq(dev); + spin_lock_bh(&dev->xmit_lock); + spin_lock(&np->lock); + /* stop engines */ + nv_stop_rx(dev); + nv_stop_tx(dev); + spin_unlock(&np->lock); + spin_unlock_bh(&dev->xmit_lock); + } + + np->pause_flags &= ~(NV_PAUSEFRAME_RX_REQ|NV_PAUSEFRAME_TX_REQ); + if (pause->rx_pause) + np->pause_flags |= NV_PAUSEFRAME_RX_REQ; + if (pause->tx_pause) + np->pause_flags |= NV_PAUSEFRAME_TX_REQ; + + if (np->autoneg && pause->autoneg) { + np->pause_flags |= NV_PAUSEFRAME_AUTONEG; + + adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ); + adv &= ~(ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM); + if (np->pause_flags & NV_PAUSEFRAME_RX_REQ) /* for rx we set both advertisments but disable tx pause */ + adv |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; + if (np->pause_flags & NV_PAUSEFRAME_TX_REQ) + adv |= ADVERTISE_PAUSE_ASYM; + mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv); + + if (netif_running(dev)) + printk(KERN_INFO "%s: link down.\n", dev->name); + bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ); + bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); + mii_rw(dev, np->phyaddr, MII_BMCR, bmcr); + } else { + np->pause_flags &= ~(NV_PAUSEFRAME_AUTONEG|NV_PAUSEFRAME_RX_ENABLE|NV_PAUSEFRAME_TX_ENABLE); + if (pause->rx_pause) + np->pause_flags |= NV_PAUSEFRAME_RX_ENABLE; + if (pause->tx_pause) + np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE; + + if (!netif_running(dev)) + nv_update_linkspeed(dev); + else + nv_update_pause(dev, np->pause_flags); + } + + if (netif_running(dev)) { + nv_start_rx(dev); + nv_start_tx(dev); + nv_enable_irq(dev); + } + return 0; +} + +static u32 nv_get_rx_csum(struct net_device *dev) +{ + struct fe_priv *np = netdev_priv(dev); + return (np->txrxctl_bits & NVREG_TXRXCTL_RXCHECK) != 0; +} + +static int nv_set_rx_csum(struct net_device *dev, u32 data) { + struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); - int i; - u32 msixmap = 0; + int retcode = 0; - /* Each interrupt bit can be mapped to a MSIX vector (4 bits). - * MSIXMap0 represents the first 8 interrupts and MSIXMap1 represents - * the remaining 8 interrupts. - */ - for (i = 0; i < 8; i++) { - if ((irqmask >> i) & 0x1) { - msixmap |= vector << (i << 2); + if (np->driver_data & DEV_HAS_CHECKSUM) { + + if (((np->txrxctl_bits & NVREG_TXRXCTL_RXCHECK) && data) || + (!(np->txrxctl_bits & NVREG_TXRXCTL_RXCHECK) && !data)) { + /* already set or unset */ + return 0; } - } - writel(readl(base + NvRegMSIXMap0) | msixmap, base + NvRegMSIXMap0); - msixmap = 0; - for (i = 0; i < 8; i++) { - if ((irqmask >> (i + 8)) & 0x1) { - msixmap |= vector << (i << 2); + if (data) { + np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK; + } else if (!(np->vlanctl_bits & NVREG_VLANCONTROL_ENABLE)) { + np->txrxctl_bits &= ~NVREG_TXRXCTL_RXCHECK; + } else { + printk(KERN_INFO "Can not disable rx checksum if vlan is enabled\n"); + return -EINVAL; + } + + if (netif_running(dev)) { + spin_lock_irq(&np->lock); + writel(np->txrxctl_bits, base + NvRegTxRxControl); + spin_unlock_irq(&np->lock); } + } else { + return -EINVAL; } - writel(readl(base + NvRegMSIXMap1) | msixmap, base + NvRegMSIXMap1); + + return retcode; } -static int nv_request_irq(struct net_device *dev) +static int nv_set_tx_csum(struct net_device *dev, u32 data) +{ + struct fe_priv *np = netdev_priv(dev); + + if (np->driver_data & DEV_HAS_CHECKSUM) + return ethtool_op_set_tx_hw_csum(dev, data); + else + return -EOPNOTSUPP; +} + +static int nv_set_sg(struct net_device *dev, u32 data) +{ + struct fe_priv *np = netdev_priv(dev); + + if (np->driver_data & DEV_HAS_CHECKSUM) + return ethtool_op_set_sg(dev, data); + else + return -EOPNOTSUPP; +} + +static int nv_get_stats_count(struct net_device *dev) +{ + struct fe_priv *np = netdev_priv(dev); + + if (np->driver_data & DEV_HAS_STATISTICS) + return (sizeof(struct nv_ethtool_stats)/sizeof(u64)); + else + return 0; +} + +static void nv_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *estats, u64 *buffer) +{ + struct fe_priv *np = netdev_priv(dev); + + /* update stats */ + nv_do_stats_poll((unsigned long)dev); + + memcpy(buffer, &np->estats, nv_get_stats_count(dev)*sizeof(u64)); +} + +static int nv_self_test_count(struct net_device *dev) +{ + struct fe_priv *np = netdev_priv(dev); + + if (np->driver_data & DEV_HAS_TEST_EXTENDED) + return NV_TEST_COUNT_EXTENDED; + else + return NV_TEST_COUNT_BASE; +} + +static int nv_link_test(struct net_device *dev) +{ + struct fe_priv *np = netdev_priv(dev); + int mii_status; + + mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); + mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ); + + /* check phy link status */ + if (!(mii_status & BMSR_LSTATUS)) + return 0; + else + return 1; +} + +static int nv_register_test(struct net_device *dev) { - struct fe_priv *np = get_nvpriv(dev); + u8 __iomem *base = get_hwbase(dev); + int i = 0; + u32 orig_read, new_read; + + do { + orig_read = readl(base + nv_registers_test[i].reg); + + /* xor with mask to toggle bits */ + orig_read ^= nv_registers_test[i].mask; + + writel(orig_read, base + nv_registers_test[i].reg); + + new_read = readl(base + nv_registers_test[i].reg); + + if ((new_read & nv_registers_test[i].mask) != (orig_read & nv_registers_test[i].mask)) + return 0; + + /* restore original value */ + orig_read ^= nv_registers_test[i].mask; + writel(orig_read, base + nv_registers_test[i].reg); + + } while (nv_registers_test[++i].reg != 0); + + return 1; +} + +static int nv_interrupt_test(struct net_device *dev) +{ + struct fe_priv *np = netdev_priv(dev); u8 __iomem *base = get_hwbase(dev); int ret = 1; - int i; + int testcnt; + u32 save_msi_flags, save_poll_interval = 0; - if (np->msi_flags & NV_MSI_X_CAPABLE) { - for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) { - np->msi_x_entry[i].entry = i; + if (netif_running(dev)) { + /* free current irq */ + nv_free_irq(dev); + save_poll_interval = readl(base+NvRegPollingInterval); + } + + /* flag to test interrupt handler */ + np->intr_test = 0; + + /* setup test irq */ + save_msi_flags = np->msi_flags; + np->msi_flags &= ~NV_MSI_X_VECTORS_MASK; + np->msi_flags |= 0x001; /* setup 1 vector */ + if (nv_request_irq(dev, 1)) + return 0; + + /* setup timer interrupt */ + writel(NVREG_POLL_DEFAULT_CPU, base + NvRegPollingInterval); + writel(NVREG_UNKSETUP6_VAL, base + NvRegUnknownSetupReg6); + + nv_enable_hw_interrupts(dev, NVREG_IRQ_TIMER); + + /* wait for at least one interrupt */ + msleep(100); + + spin_lock_irq(&np->lock); + + /* flag should be set within ISR */ + testcnt = np->intr_test; + if (!testcnt) + ret = 2; + + nv_disable_hw_interrupts(dev, NVREG_IRQ_TIMER); + if (!(np->msi_flags & NV_MSI_X_ENABLED)) + writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); + else + writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus); + + spin_unlock_irq(&np->lock); + + nv_free_irq(dev); + + np->msi_flags = save_msi_flags; + + if (netif_running(dev)) { + writel(save_poll_interval, base + NvRegPollingInterval); + writel(NVREG_UNKSETUP6_VAL, base + NvRegUnknownSetupReg6); + /* restore original irq */ + if (nv_request_irq(dev, 0)) + return 0; + } + + return ret; +} + +static int nv_loopback_test(struct net_device *dev) +{ + struct fe_priv *np = netdev_priv(dev); + u8 __iomem *base = get_hwbase(dev); + struct sk_buff *tx_skb, *rx_skb; + dma_addr_t test_dma_addr; + u32 tx_flags_extra = (np->desc_ver == DESC_VER_1 ? NV_TX_LASTPACKET : NV_TX2_LASTPACKET); + u32 Flags; + int len, i, pkt_len; + u8 *pkt_data; + u32 filter_flags = 0; + u32 misc1_flags = 0; + int ret = 1; + + if (netif_running(dev)) { + nv_disable_irq(dev); + filter_flags = readl(base + NvRegPacketFilterFlags); + misc1_flags = readl(base + NvRegMisc1); + } else { + nv_txrx_reset(dev); + } + + /* reinit driver view of the rx queue */ + set_bufsize(dev); + nv_init_ring(dev); + + /* setup hardware for loopback */ + writel(NVREG_MISC1_FORCE, base + NvRegMisc1); + writel(NVREG_PFF_ALWAYS | NVREG_PFF_LOOPBACK, base + NvRegPacketFilterFlags); + + /* reinit nic view of the rx queue */ + writel(np->rx_buf_sz, base + NvRegOffloadConfig); + setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); + writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), + base + NvRegRingSizes); + pci_push(base); + + /* restart rx engine */ + nv_start_rx(dev); + nv_start_tx(dev); + + /* setup packet for tx */ + pkt_len = ETH_DATA_LEN; + tx_skb = dev_alloc_skb(pkt_len); + pkt_data = skb_put(tx_skb, pkt_len); + for (i = 0; i < pkt_len; i++) + pkt_data[i] = (u8)(i & 0xff); + test_dma_addr = pci_map_single(np->pci_dev, tx_skb->data, + tx_skb->end-tx_skb->data, PCI_DMA_FROMDEVICE); + + if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { + np->tx_ring.orig[0].PacketBuffer = cpu_to_le32(test_dma_addr); + np->tx_ring.orig[0].FlagLen = cpu_to_le32((pkt_len-1) | np->tx_flags | tx_flags_extra); + } else { + np->tx_ring.ex[0].PacketBufferHigh = cpu_to_le64(test_dma_addr) >> 32; + np->tx_ring.ex[0].PacketBufferLow = cpu_to_le64(test_dma_addr) & 0x0FFFFFFFF; + np->tx_ring.ex[0].FlagLen = cpu_to_le32((pkt_len-1) | np->tx_flags | tx_flags_extra); + } + writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); + pci_push(get_hwbase(dev)); + + msleep(500); + + /* check for rx of the packet */ + if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { + Flags = le32_to_cpu(np->rx_ring.orig[0].FlagLen); + len = nv_descr_getlength(&np->rx_ring.orig[0], np->desc_ver); + + } else { + Flags = le32_to_cpu(np->rx_ring.ex[0].FlagLen); + len = nv_descr_getlength_ex(&np->rx_ring.ex[0], np->desc_ver); + } + + if (Flags & NV_RX_AVAIL) { + ret = 0; + } else if (np->desc_ver == DESC_VER_1) { + if (Flags & NV_RX_ERROR) + ret = 0; + } else { + if (Flags & NV_RX2_ERROR) { + ret = 0; } - if ((ret = pci_enable_msix(np->pci_dev, np->msi_x_entry, (np->msi_flags & NV_MSI_X_VECTORS_MASK))) == 0) { - np->msi_flags |= NV_MSI_X_ENABLED; - if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT) { - /* Request irq for rx handling */ - if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, SA_SHIRQ, dev->name, dev) != 0) { - printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret); - pci_disable_msix(np->pci_dev); - np->msi_flags &= ~NV_MSI_X_ENABLED; - goto out_err; - } - /* Request irq for tx handling */ - if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, SA_SHIRQ, dev->name, dev) != 0) { - printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret); - pci_disable_msix(np->pci_dev); - np->msi_flags &= ~NV_MSI_X_ENABLED; - goto out_free_rx; - } - /* Request irq for link and timer handling */ - if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, SA_SHIRQ, dev->name, dev) != 0) { - printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret); - pci_disable_msix(np->pci_dev); - np->msi_flags &= ~NV_MSI_X_ENABLED; - goto out_free_tx; - } - /* map interrupts to their respective vector */ - writel(0, base + NvRegMSIXMap0); - writel(0, base + NvRegMSIXMap1); - set_msix_vector_map(dev, NV_MSI_X_VECTOR_RX, NVREG_IRQ_RX_ALL); - set_msix_vector_map(dev, NV_MSI_X_VECTOR_TX, NVREG_IRQ_TX_ALL); - set_msix_vector_map(dev, NV_MSI_X_VECTOR_OTHER, NVREG_IRQ_OTHER); - } else { - /* Request irq for all interrupts */ - if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) { - printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret); - pci_disable_msix(np->pci_dev); - np->msi_flags &= ~NV_MSI_X_ENABLED; - goto out_err; - } + } - /* map interrupts to vector 0 */ - writel(0, base + NvRegMSIXMap0); - writel(0, base + NvRegMSIXMap1); + if (ret) { + if (len != pkt_len) { + ret = 0; + dprintk(KERN_DEBUG "%s: loopback len mismatch %d vs %d\n", + dev->name, len, pkt_len); + } else { + rx_skb = np->rx_skbuff[0]; + for (i = 0; i < pkt_len; i++) { + if (rx_skb->data[i] != (u8)(i & 0xff)) { + ret = 0; + dprintk(KERN_DEBUG "%s: loopback pattern check failed on byte %d\n", + dev->name, i); + break; + } } } + } else { + dprintk(KERN_DEBUG "%s: loopback - did not receive test packet\n", dev->name); } - if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) { - if ((ret = pci_enable_msi(np->pci_dev)) == 0) { - np->msi_flags |= NV_MSI_ENABLED; - if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) { - printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret); - pci_disable_msi(np->pci_dev); - np->msi_flags &= ~NV_MSI_ENABLED; - goto out_err; + + pci_unmap_page(np->pci_dev, test_dma_addr, + tx_skb->end-tx_skb->data, + PCI_DMA_TODEVICE); + dev_kfree_skb_any(tx_skb); + + /* stop engines */ + nv_stop_rx(dev); + nv_stop_tx(dev); + nv_txrx_reset(dev); + /* drain rx queue */ + nv_drain_rx(dev); + nv_drain_tx(dev); + + if (netif_running(dev)) { + writel(misc1_flags, base + NvRegMisc1); + writel(filter_flags, base + NvRegPacketFilterFlags); + nv_enable_irq(dev); + } + + return ret; +} + +static void nv_self_test(struct net_device *dev, struct ethtool_test *test, u64 *buffer) +{ + struct fe_priv *np = netdev_priv(dev); + u8 __iomem *base = get_hwbase(dev); + int result; + memset(buffer, 0, nv_self_test_count(dev)*sizeof(u64)); + + if (!nv_link_test(dev)) { + test->flags |= ETH_TEST_FL_FAILED; + buffer[0] = 1; + } + + if (test->flags & ETH_TEST_FL_OFFLINE) { + if (netif_running(dev)) { + netif_stop_queue(dev); + spin_lock_bh(&dev->xmit_lock); + spin_lock_irq(&np->lock); + nv_disable_hw_interrupts(dev, np->irqmask); + if (!(np->msi_flags & NV_MSI_X_ENABLED)) { + writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); + } else { + writel(NVREG_IRQSTAT_MASK, base + NvRegMSIXIrqStatus); } + /* stop engines */ + nv_stop_rx(dev); + nv_stop_tx(dev); + nv_txrx_reset(dev); + /* drain rx queue */ + nv_drain_rx(dev); + nv_drain_tx(dev); + spin_unlock_irq(&np->lock); + spin_unlock_bh(&dev->xmit_lock); + } - /* map interrupts to vector 0 */ - writel(0, base + NvRegMSIMap0); - writel(0, base + NvRegMSIMap1); - /* enable msi vector 0 */ - writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask); + if (!nv_register_test(dev)) { + test->flags |= ETH_TEST_FL_FAILED; + buffer[1] = 1; + } + + result = nv_interrupt_test(dev); + if (result != 1) { + test->flags |= ETH_TEST_FL_FAILED; + buffer[2] = 1; + } + if (result == 0) { + /* bail out */ + return; + } + + if (!nv_loopback_test(dev)) { + test->flags |= ETH_TEST_FL_FAILED; + buffer[3] = 1; + } + + if (netif_running(dev)) { + /* reinit driver view of the rx queue */ + set_bufsize(dev); + if (nv_init_ring(dev)) { + if (!np->in_shutdown) + mod_timer(&np->oom_kick, jiffies + OOM_REFILL); + } + /* reinit nic view of the rx queue */ + writel(np->rx_buf_sz, base + NvRegOffloadConfig); + setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); + writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), + base + NvRegRingSizes); + pci_push(base); + writel(NVREG_TXRXCTL_KICK|np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); + pci_push(base); + /* restart rx engine */ + nv_start_rx(dev); + nv_start_tx(dev); + netif_start_queue(dev); + nv_enable_hw_interrupts(dev, np->irqmask); } } - if (ret != 0) { - if (request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) - goto out_err; - } +} - return 0; -out_free_tx: - free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, dev); -out_free_rx: - free_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, dev); -out_err: - return 1; +static void nv_get_strings(struct net_device *dev, u32 stringset, u8 *buffer) +{ + switch (stringset) { + case ETH_SS_STATS: + memcpy(buffer, &nv_estats_str, nv_get_stats_count(dev)*sizeof(struct nv_ethtool_str)); + break; + case ETH_SS_TEST: + memcpy(buffer, &nv_etests_str, nv_self_test_count(dev)*sizeof(struct nv_ethtool_str)); + break; + } } -static void nv_free_irq(struct net_device *dev) +static struct ethtool_ops ops = { + .get_drvinfo = nv_get_drvinfo, + .get_link = ethtool_op_get_link, + .get_wol = nv_get_wol, + .set_wol = nv_set_wol, + .get_settings = nv_get_settings, + .set_settings = nv_set_settings, + .get_regs_len = nv_get_regs_len, + .get_regs = nv_get_regs, + .nway_reset = nv_nway_reset, + .get_perm_addr = ethtool_op_get_perm_addr, + .get_tso = ethtool_op_get_tso, + .set_tso = nv_set_tso, + .get_ringparam = nv_get_ringparam, + .set_ringparam = nv_set_ringparam, + .get_pauseparam = nv_get_pauseparam, + .set_pauseparam = nv_set_pauseparam, + .get_rx_csum = nv_get_rx_csum, + .set_rx_csum = nv_set_rx_csum, + .get_tx_csum = ethtool_op_get_tx_csum, + .set_tx_csum = nv_set_tx_csum, + .get_sg = ethtool_op_get_sg, + .set_sg = nv_set_sg, + .get_strings = nv_get_strings, + .get_stats_count = nv_get_stats_count, + .get_ethtool_stats = nv_get_ethtool_stats, + .self_test_count = nv_self_test_count, + .self_test = nv_self_test, +}; + +static void nv_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) { struct fe_priv *np = get_nvpriv(dev); - int i; - if (np->msi_flags & NV_MSI_X_ENABLED) { - for (i = 0; i < (np->msi_flags & NV_MSI_X_VECTORS_MASK); i++) { - free_irq(np->msi_x_entry[i].vector, dev); - } - pci_disable_msix(np->pci_dev); - np->msi_flags &= ~NV_MSI_X_ENABLED; + spin_lock_irq(&np->lock); + + /* save vlan group */ + np->vlangrp = grp; + + if (grp) { + /* enable vlan on MAC */ + np->txrxctl_bits |= NVREG_TXRXCTL_VLANSTRIP | NVREG_TXRXCTL_VLANINS; } else { - free_irq(np->pci_dev->irq, dev); - if (np->msi_flags & NV_MSI_ENABLED) { - pci_disable_msi(np->pci_dev); - np->msi_flags &= ~NV_MSI_ENABLED; - } + /* disable vlan on MAC */ + np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANSTRIP; + np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANINS; } -} + + writel(np->txrxctl_bits, get_hwbase(dev) + NvRegTxRxControl); + + spin_unlock_irq(&np->lock); +}; + +static void nv_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid) +{ + /* nothing to do */ +}; static int nv_open(struct net_device *dev) { @@ -2829,6 +3886,9 @@ static int nv_open(struct net_device *dev) writel(0, base + NvRegAdapterControl); + if (np->pause_flags & NV_PAUSEFRAME_TX_CAPABLE) + writel(NVREG_TX_PAUSEFRAME_DISABLE, base + NvRegTxPauseFrame); + /* 2) initialize descriptor rings */ set_bufsize(dev); oom = nv_init_ring(dev); @@ -2845,7 +3905,7 @@ static int nv_open(struct net_device *dev) /* 4) give hw rings */ setup_hw_rings(dev, NV_SETUP_RX_RING | NV_SETUP_TX_RING); - writel( ((RX_RING-1) << NVREG_RINGSZ_RXSHIFT) + ((TX_RING-1) << NVREG_RINGSZ_TXSHIFT), + writel( ((np->rx_ring_size-1) << NVREG_RINGSZ_RXSHIFT) + ((np->tx_ring_size-1) << NVREG_RINGSZ_TXSHIFT), base + NvRegRingSizes); /* 5) continue setup */ @@ -2887,7 +3947,8 @@ static int nv_open(struct net_device *dev) base + NvRegAdapterControl); writel(NVREG_MIISPEED_BIT8|NVREG_MIIDELAY, base + NvRegMIISpeed); writel(NVREG_UNKSETUP4_VAL, base + NvRegUnknownSetupReg4); - writel(NVREG_WAKEUPFLAGS_VAL, base + NvRegWakeUpFlags); + if (np->wolenabled) + writel(NVREG_WAKEUPFLAGS_ENABLE , base + NvRegWakeUpFlags); i = readl(base + NvRegPowerState); if ( (i & NVREG_POWERSTATE_POWEREDUP) == 0) @@ -2903,7 +3964,7 @@ static int nv_open(struct net_device *dev) writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus); pci_push(base); - if (nv_request_irq(dev)) { + if (nv_request_irq(dev, 0)) { goto out_drain; } @@ -2940,6 +4001,11 @@ static int nv_open(struct net_device *dev) } if (oom) mod_timer(&np->oom_kick, jiffies + OOM_REFILL); + + /* start statistics timer */ + if (np->driver_data & DEV_HAS_STATISTICS) + mod_timer(&np->stats_poll, jiffies + STATS_INTERVAL); + spin_unlock_irq(&np->lock); return 0; @@ -2960,6 +4026,7 @@ static int nv_close(struct net_device *dev) del_timer_sync(&np->oom_kick); del_timer_sync(&np->nic_poll); + del_timer_sync(&np->stats_poll); netif_stop_queue(dev); spin_lock_irq(&np->lock); @@ -3019,6 +4086,9 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i init_timer(&np->nic_poll); np->nic_poll.data = (unsigned long) dev; np->nic_poll.function = &nv_do_nic_poll; /* timer handler */ + init_timer(&np->stats_poll); + np->stats_poll.data = (unsigned long) dev; + np->stats_poll.function = &nv_do_stats_poll; /* timer handler */ err = pci_enable_device(pci_dev); if (err) { @@ -3033,7 +4103,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i if (err < 0) goto out_disable; - if (id->driver_data & (DEV_HAS_VLAN|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL)) + if (id->driver_data & (DEV_HAS_VLAN|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_STATISTICS)) np->register_size = NV_PCI_REGSZ_VER2; else np->register_size = NV_PCI_REGSZ_VER1; @@ -3065,16 +4135,18 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i /* packet format 3: supports 40-bit addressing */ np->desc_ver = DESC_VER_3; np->txrxctl_bits = NVREG_TXRXCTL_DESC_3; - if (pci_set_dma_mask(pci_dev, DMA_39BIT_MASK)) { - printk(KERN_INFO "forcedeth: 64-bit DMA failed, using 32-bit addressing for device %s.\n", - pci_name(pci_dev)); - } else { - dev->features |= NETIF_F_HIGHDMA; - printk(KERN_INFO "forcedeth: using HIGHDMA\n"); - } - if (pci_set_consistent_dma_mask(pci_dev, 0x0000007fffffffffULL)) { - printk(KERN_INFO "forcedeth: 64-bit DMA (consistent) failed for device %s.\n", - pci_name(pci_dev)); + if (dma_64bit) { + if (pci_set_dma_mask(pci_dev, DMA_39BIT_MASK)) { + printk(KERN_INFO "forcedeth: 64-bit DMA failed, using 32-bit addressing for device %s.\n", + pci_name(pci_dev)); + } else { + dev->features |= NETIF_F_HIGHDMA; + printk(KERN_INFO "forcedeth: using HIGHDMA\n"); + } + if (pci_set_consistent_dma_mask(pci_dev, DMA_39BIT_MASK)) { + printk(KERN_INFO "forcedeth: 64-bit DMA (consistent) failed, using 32-bit ring buffers for device %s.\n", + pci_name(pci_dev)); + } } } else if (id->driver_data & DEV_HAS_LARGEDESC) { /* packet format 2: supports jumbo frames */ @@ -3107,13 +4179,19 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i } np->msi_flags = 0; - if ((id->driver_data & DEV_HAS_MSI) && !disable_msi) { + if ((id->driver_data & DEV_HAS_MSI) && msi) { np->msi_flags |= NV_MSI_CAPABLE; } - if ((id->driver_data & DEV_HAS_MSI_X) && !disable_msix) { + if ((id->driver_data & DEV_HAS_MSI_X) && msix) { np->msi_flags |= NV_MSI_X_CAPABLE; } + np->pause_flags = NV_PAUSEFRAME_RX_CAPABLE | NV_PAUSEFRAME_RX_REQ | NV_PAUSEFRAME_AUTONEG; + if (id->driver_data & DEV_HAS_PAUSEFRAME_TX) { + np->pause_flags |= NV_PAUSEFRAME_TX_CAPABLE | NV_PAUSEFRAME_TX_REQ; + } + + err = -ENOMEM; np->base = ioremap(addr, np->register_size); if (!np->base) @@ -3122,21 +4200,38 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i dev->irq = pci_dev->irq; + np->rx_ring_size = RX_RING_DEFAULT; + np->tx_ring_size = TX_RING_DEFAULT; + np->tx_limit_stop = np->tx_ring_size - TX_LIMIT_DIFFERENCE; + np->tx_limit_start = np->tx_ring_size - TX_LIMIT_DIFFERENCE - 1; + if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) { np->rx_ring.orig = pci_alloc_consistent(pci_dev, - sizeof(struct ring_desc) * (RX_RING + TX_RING), + sizeof(struct ring_desc) * (np->rx_ring_size + np->tx_ring_size), &np->ring_addr); if (!np->rx_ring.orig) goto out_unmap; - np->tx_ring.orig = &np->rx_ring.orig[RX_RING]; + np->tx_ring.orig = &np->rx_ring.orig[np->rx_ring_size]; } else { np->rx_ring.ex = pci_alloc_consistent(pci_dev, - sizeof(struct ring_desc_ex) * (RX_RING + TX_RING), + sizeof(struct ring_desc_ex) * (np->rx_ring_size + np->tx_ring_size), &np->ring_addr); if (!np->rx_ring.ex) goto out_unmap; - np->tx_ring.ex = &np->rx_ring.ex[RX_RING]; + np->tx_ring.ex = &np->rx_ring.ex[np->rx_ring_size]; } + np->rx_skbuff = kmalloc(sizeof(struct sk_buff*) * np->rx_ring_size, GFP_KERNEL); + np->rx_dma = kmalloc(sizeof(dma_addr_t) * np->rx_ring_size, GFP_KERNEL); + np->tx_skbuff = kmalloc(sizeof(struct sk_buff*) * np->tx_ring_size, GFP_KERNEL); + np->tx_dma = kmalloc(sizeof(dma_addr_t) * np->tx_ring_size, GFP_KERNEL); + np->tx_dma_len = kmalloc(sizeof(unsigned int) * np->tx_ring_size, GFP_KERNEL); + if (!np->rx_skbuff || !np->rx_dma || !np->tx_skbuff || !np->tx_dma || !np->tx_dma_len) + goto out_freering; + memset(np->rx_skbuff, 0, sizeof(struct sk_buff*) * np->rx_ring_size); + memset(np->rx_dma, 0, sizeof(dma_addr_t) * np->rx_ring_size); + memset(np->tx_skbuff, 0, sizeof(struct sk_buff*) * np->tx_ring_size); + memset(np->tx_dma, 0, sizeof(dma_addr_t) * np->tx_ring_size); + memset(np->tx_dma_len, 0, sizeof(unsigned int) * np->tx_ring_size); dev->open = nv_open; dev->stop = nv_close; @@ -3258,9 +4353,9 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i if (i == 33) { printk(KERN_INFO "%s: open: Could not find a valid PHY.\n", pci_name(pci_dev)); - goto out_freering; + goto out_error; } - + /* reset it */ phy_init(dev); @@ -3272,7 +4367,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i err = register_netdev(dev); if (err) { printk(KERN_INFO "forcedeth: unable to register netdev: %d\n", err); - goto out_freering; + goto out_error; } printk(KERN_INFO "%s: forcedeth.c: subsystem: %05x:%04x bound to %s\n", dev->name, pci_dev->subsystem_vendor, pci_dev->subsystem_device, @@ -3280,14 +4375,10 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i return 0; -out_freering: - if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) - pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (RX_RING + TX_RING), - np->rx_ring.orig, np->ring_addr); - else - pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (RX_RING + TX_RING), - np->rx_ring.ex, np->ring_addr); +out_error: pci_set_drvdata(pci_dev, NULL); +out_freering: + free_rings(dev); out_unmap: iounmap(get_hwbase(dev)); out_relreg: @@ -3303,15 +4394,11 @@ out: static void __devexit nv_remove(struct pci_dev *pci_dev) { struct net_device *dev = pci_get_drvdata(pci_dev); - struct fe_priv *np = netdev_priv(dev); unregister_netdev(dev); /* free all structures */ - if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) - pci_free_consistent(np->pci_dev, sizeof(struct ring_desc) * (RX_RING + TX_RING), np->rx_ring.orig, np->ring_addr); - else - pci_free_consistent(np->pci_dev, sizeof(struct ring_desc_ex) * (RX_RING + TX_RING), np->rx_ring.ex, np->ring_addr); + free_rings(dev); iounmap(get_hwbase(dev)); pci_release_regions(pci_dev); pci_disable_device(pci_dev); @@ -3374,11 +4461,43 @@ static struct pci_device_id pci_tbl[] = { }, { /* MCP55 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_14), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, }, { /* MCP55 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_15), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_VLAN|DEV_HAS_MSI|DEV_HAS_MSI_X|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + }, + { /* MCP61 Ethernet Controller */ + PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_16), + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + }, + { /* MCP61 Ethernet Controller */ + PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_17), + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + }, + { /* MCP61 Ethernet Controller */ + PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_18), + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + }, + { /* MCP61 Ethernet Controller */ + PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_19), + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + }, + { /* MCP65 Ethernet Controller */ + PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_20), + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + }, + { /* MCP65 Ethernet Controller */ + PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_21), + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + }, + { /* MCP65 Ethernet Controller */ + PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_22), + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, + }, + { /* MCP65 Ethernet Controller */ + PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_23), + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_LARGEDESC|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_POWER_CNTRL|DEV_HAS_MSI|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS|DEV_HAS_TEST_EXTENDED, }, {0,}, }; @@ -3408,10 +4527,12 @@ module_param(optimization_mode, int, 0); MODULE_PARM_DESC(optimization_mode, "In throughput mode (0), every tx & rx packet will generate an interrupt. In CPU mode (1), interrupts are controlled by a timer."); module_param(poll_interval, int, 0); MODULE_PARM_DESC(poll_interval, "Interval determines how frequent timer interrupt is generated by [(time_in_micro_secs * 100) / (2^10)]. Min is 0 and Max is 65535."); -module_param(disable_msi, int, 0); -MODULE_PARM_DESC(disable_msi, "Disable MSI interrupts by setting to 1."); -module_param(disable_msix, int, 0); -MODULE_PARM_DESC(disable_msix, "Disable MSIX interrupts by setting to 1."); +module_param(msi, int, 0); +MODULE_PARM_DESC(msi, "MSI interrupts are enabled by setting to 1 and disabled by setting to 0."); +module_param(msix, int, 0); +MODULE_PARM_DESC(msix, "MSIX interrupts are enabled by setting to 1 and disabled by setting to 0."); +module_param(dma_64bit, int, 0); +MODULE_PARM_DESC(dma_64bit, "High DMA is enabled by setting to 1 and disabled by setting to 0."); MODULE_AUTHOR("Manfred Spraul <manfred@colorfullife.com>"); MODULE_DESCRIPTION("Reverse Engineered nForce ethernet driver"); diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c index 102c1f0b90da..d12605f0ac7c 100644 --- a/drivers/net/hamradio/6pack.c +++ b/drivers/net/hamradio/6pack.c @@ -308,9 +308,9 @@ static int sp_set_mac_address(struct net_device *dev, void *addr) { struct sockaddr_ax25 *sa = addr; - spin_lock_irq(&dev->xmit_lock); + netif_tx_lock_bh(dev); memcpy(dev->dev_addr, &sa->sax25_call, AX25_ADDR_LEN); - spin_unlock_irq(&dev->xmit_lock); + netif_tx_unlock_bh(dev); return 0; } @@ -767,9 +767,9 @@ static int sixpack_ioctl(struct tty_struct *tty, struct file *file, break; } - spin_lock_irq(&dev->xmit_lock); + netif_tx_lock_bh(dev); memcpy(dev->dev_addr, &addr, AX25_ADDR_LEN); - spin_unlock_irq(&dev->xmit_lock); + netif_tx_unlock_bh(dev); err = 0; break; diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index d81a8e1eeb8d..3ebbbe56b6e9 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -357,9 +357,9 @@ static int ax_set_mac_address(struct net_device *dev, void *addr) { struct sockaddr_ax25 *sa = addr; - spin_lock_irq(&dev->xmit_lock); + netif_tx_lock_bh(dev); memcpy(dev->dev_addr, &sa->sax25_call, AX25_ADDR_LEN); - spin_unlock_irq(&dev->xmit_lock); + netif_tx_unlock_bh(dev); return 0; } @@ -886,9 +886,9 @@ static int mkiss_ioctl(struct tty_struct *tty, struct file *file, break; } - spin_lock_irq(&dev->xmit_lock); + netif_tx_lock_bh(dev); memcpy(dev->dev_addr, addr, AX25_ADDR_LEN); - spin_unlock_irq(&dev->xmit_lock); + netif_tx_unlock_bh(dev); err = 0; break; diff --git a/drivers/net/hp-plus.c b/drivers/net/hp-plus.c index 0d7a6250e346..e26a3e407d70 100644 --- a/drivers/net/hp-plus.c +++ b/drivers/net/hp-plus.c @@ -446,7 +446,7 @@ MODULE_LICENSE("GPL"); /* This is set up so that only a single autoprobe takes place per call. ISA device autoprobes on a running machine are not recommended. */ -int +int __init init_module(void) { struct net_device *dev; diff --git a/drivers/net/hp.c b/drivers/net/hp.c index cf9fb3698a6b..551a71b3c5fd 100644 --- a/drivers/net/hp.c +++ b/drivers/net/hp.c @@ -384,7 +384,7 @@ hp_block_output(struct net_device *dev, int count, } /* This function resets the ethercard if something screws up. */ -static void +static void __init hp_init_card(struct net_device *dev) { int irq = dev->irq; @@ -409,7 +409,7 @@ MODULE_LICENSE("GPL"); /* This is set up so that only a single autoprobe takes place per call. ISA device autoprobes on a running machine are not recommended. */ -int +int __init init_module(void) { struct net_device *dev; diff --git a/drivers/net/ibmlana.c b/drivers/net/ibmlana.c index 01ad904215a1..51fd51609ea9 100644 --- a/drivers/net/ibmlana.c +++ b/drivers/net/ibmlana.c @@ -1,4 +1,4 @@ -/* +/* net-3-driver for the IBM LAN Adapter/A This is an extension to the Linux operating system, and is covered by the @@ -11,9 +11,9 @@ This driver is based both on the SK_MCA driver, which is itself based on the SK_G16 and 3C523 driver. paper sources: - 'PC Hardware: Aufbau, Funktionsweise, Programmierung' by + 'PC Hardware: Aufbau, Funktionsweise, Programmierung' by Hans-Peter Messmer for the basic Microchannel stuff - + 'Linux Geraetetreiber' by Allesandro Rubini, Kalle Dalheimer for help on Ethernet driver programming @@ -27,14 +27,14 @@ paper sources: special acknowledgements to: - Bob Eager for helping me out with documentation from IBM - - Jim Shorney for his endless patience with me while I was using + - Jim Shorney for his endless patience with me while I was using him as a beta tester to trace down the address filter bug ;-) Missing things: -> set debug level via ioctl instead of compile-time switches -> I didn't follow the development of the 2.1.x kernels, so my - assumptions about which things changed with which kernel version + assumptions about which things changed with which kernel version are probably nonsense History: @@ -275,7 +275,7 @@ static void InitDscrs(struct net_device *dev) priv->rrastart = raddr = priv->txbufstart + (TXBUFCNT * PKTSIZE); priv->rdastart = addr = priv->rrastart + (priv->rxbufcnt * sizeof(rra_t)); priv->rxbufstart = baddr = priv->rdastart + (priv->rxbufcnt * sizeof(rda_t)); - + for (z = 0; z < priv->rxbufcnt; z++) { rra.startlo = baddr; rra.starthi = 0; @@ -570,7 +570,7 @@ static void irqrx_handler(struct net_device *dev) lrdaaddr = priv->rdastart + (priv->lastrxdescr * sizeof(rda_t)); memcpy_fromio(&rda, priv->base + rdaaddr, sizeof(rda_t)); - /* iron out upper word halves of fields we use - SONIC will duplicate + /* iron out upper word halves of fields we use - SONIC will duplicate bits 0..15 to 16..31 */ rda.status &= 0xffff; @@ -836,9 +836,9 @@ static int ibmlana_tx(struct sk_buff *skb, struct net_device *dev) baddr = priv->txbufstart + (priv->nexttxdescr * PKTSIZE); memcpy_toio(priv->base + baddr, skb->data, skb->len); - /* copy filler into RAM - in case we're filling up... + /* copy filler into RAM - in case we're filling up... we're filling a bit more than necessary, but that doesn't harm - since the buffer is far larger... + since the buffer is far larger... Sorry Linus for the filler string but I couldn't resist ;-) */ if (tmplen > skb->len) { @@ -952,7 +952,7 @@ static int ibmlana_probe(struct net_device *dev) priv->realirq = irq; priv->medium = medium; spin_lock_init(&priv->lock); - + /* set base + irq for this device (irq not allocated so far) */ diff --git a/drivers/net/ibmlana.h b/drivers/net/ibmlana.h index 458ee226e537..6b58bab9e308 100644 --- a/drivers/net/ibmlana.h +++ b/drivers/net/ibmlana.h @@ -17,7 +17,7 @@ /* media enumeration - defined in a way that it fits onto the LAN/A's POS registers... */ -typedef enum { +typedef enum { Media_10BaseT, Media_10Base5, Media_Unknown, Media_10Base2, Media_Count } ibmlana_medium; @@ -27,7 +27,7 @@ typedef enum { typedef struct { unsigned int slot; /* MCA-Slot-# */ struct net_device_stats stat; /* packet statistics */ - int realirq; /* memorizes actual IRQ, even when + int realirq; /* memorizes actual IRQ, even when currently not allocated */ ibmlana_medium medium; /* physical cannector */ u32 tdastart, txbufstart, /* addresses */ @@ -41,7 +41,7 @@ typedef struct { spinlock_t lock; } ibmlana_priv; -/* this card uses quite a lot of I/O ports...luckily the MCA bus decodes +/* this card uses quite a lot of I/O ports...luckily the MCA bus decodes a full 64K I/O range... */ #define IBM_LANA_IORANGE 0xa0 diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c index 52d01027d9e7..666346f6469e 100644 --- a/drivers/net/ibmveth.c +++ b/drivers/net/ibmveth.c @@ -24,7 +24,7 @@ /* for use with IBM i/pSeries LPAR Linux. It utilizes the logical LAN */ /* option of the RS/6000 Platform Architechture to interface with virtual */ /* ethernet NICs that are presented to the partition by the hypervisor. */ -/* */ +/* */ /**************************************************************************/ /* TODO: @@ -79,7 +79,7 @@ #else #define ibmveth_debug_printk_no_adapter(fmt, args...) #define ibmveth_debug_printk(fmt, args...) -#define ibmveth_assert(expr) +#define ibmveth_assert(expr) #endif static int ibmveth_open(struct net_device *dev); @@ -96,6 +96,7 @@ static void ibmveth_proc_register_adapter(struct ibmveth_adapter *adapter); static void ibmveth_proc_unregister_adapter(struct ibmveth_adapter *adapter); static irqreturn_t ibmveth_interrupt(int irq, void *dev_instance, struct pt_regs *regs); static inline void ibmveth_rxq_harvest_buffer(struct ibmveth_adapter *adapter); +static struct kobj_type ktype_veth_pool; #ifdef CONFIG_PROC_FS #define IBMVETH_PROC_DIR "net/ibmveth" @@ -133,12 +134,13 @@ static inline int ibmveth_rxq_frame_length(struct ibmveth_adapter *adapter) } /* setup the initial settings for a buffer pool */ -static void ibmveth_init_buffer_pool(struct ibmveth_buff_pool *pool, u32 pool_index, u32 pool_size, u32 buff_size) +static void ibmveth_init_buffer_pool(struct ibmveth_buff_pool *pool, u32 pool_index, u32 pool_size, u32 buff_size, u32 pool_active) { pool->size = pool_size; pool->index = pool_index; pool->buff_size = buff_size; pool->threshold = pool_size / 2; + pool->active = pool_active; } /* allocate and setup an buffer pool - called during open */ @@ -146,13 +148,13 @@ static int ibmveth_alloc_buffer_pool(struct ibmveth_buff_pool *pool) { int i; - pool->free_map = kmalloc(sizeof(u16) * pool->size, GFP_KERNEL); + pool->free_map = kmalloc(sizeof(u16) * pool->size, GFP_KERNEL); if(!pool->free_map) { return -1; } - pool->dma_addr = kmalloc(sizeof(dma_addr_t) * pool->size, GFP_KERNEL); + pool->dma_addr = kmalloc(sizeof(dma_addr_t) * pool->size, GFP_KERNEL); if(!pool->dma_addr) { kfree(pool->free_map); pool->free_map = NULL; @@ -180,7 +182,6 @@ static int ibmveth_alloc_buffer_pool(struct ibmveth_buff_pool *pool) atomic_set(&pool->available, 0); pool->producer_index = 0; pool->consumer_index = 0; - pool->active = 0; return 0; } @@ -214,7 +215,7 @@ static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, struc free_index = pool->consumer_index++ % pool->size; index = pool->free_map[free_index]; - + ibmveth_assert(index != IBM_VETH_INVALID_MAP); ibmveth_assert(pool->skbuff[index] == NULL); @@ -231,10 +232,10 @@ static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, struc desc.desc = 0; desc.fields.valid = 1; desc.fields.length = pool->buff_size; - desc.fields.address = dma_addr; + desc.fields.address = dma_addr; lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address, desc.desc); - + if(lpar_rc != H_SUCCESS) { pool->free_map[free_index] = index; pool->skbuff[index] = NULL; @@ -250,13 +251,13 @@ static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, struc adapter->replenish_add_buff_success++; } } - + mb(); atomic_add(buffers_added, &(pool->available)); } /* replenish routine */ -static void ibmveth_replenish_task(struct ibmveth_adapter *adapter) +static void ibmveth_replenish_task(struct ibmveth_adapter *adapter) { int i; @@ -264,7 +265,7 @@ static void ibmveth_replenish_task(struct ibmveth_adapter *adapter) for(i = 0; i < IbmVethNumBufferPools; i++) if(adapter->rx_buff_pool[i].active) - ibmveth_replenish_buffer_pool(adapter, + ibmveth_replenish_buffer_pool(adapter, &adapter->rx_buff_pool[i]); adapter->rx_no_buffer = *(u64*)(((char*)adapter->buffer_list_addr) + 4096 - 8); @@ -301,7 +302,6 @@ static void ibmveth_free_buffer_pool(struct ibmveth_adapter *adapter, struct ibm kfree(pool->skbuff); pool->skbuff = NULL; } - pool->active = 0; } /* remove a buffer from a pool */ @@ -372,7 +372,7 @@ static void ibmveth_rxq_recycle_buffer(struct ibmveth_adapter *adapter) desc.fields.address = adapter->rx_buff_pool[pool].dma_addr[index]; lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address, desc.desc); - + if(lpar_rc != H_SUCCESS) { ibmveth_debug_printk("h_add_logical_lan_buffer failed during recycle rc=%ld", lpar_rc); ibmveth_remove_buffer_from_pool(adapter, adapter->rx_queue.queue_addr[adapter->rx_queue.index].correlator); @@ -407,7 +407,7 @@ static void ibmveth_cleanup(struct ibmveth_adapter *adapter) } free_page((unsigned long)adapter->buffer_list_addr); adapter->buffer_list_addr = NULL; - } + } if(adapter->filter_list_addr != NULL) { if(!dma_mapping_error(adapter->filter_list_dma)) { @@ -433,7 +433,9 @@ static void ibmveth_cleanup(struct ibmveth_adapter *adapter) } for(i = 0; i<IbmVethNumBufferPools; i++) - ibmveth_free_buffer_pool(adapter, &adapter->rx_buff_pool[i]); + if (adapter->rx_buff_pool[i].active) + ibmveth_free_buffer_pool(adapter, + &adapter->rx_buff_pool[i]); } static int ibmveth_open(struct net_device *netdev) @@ -450,10 +452,10 @@ static int ibmveth_open(struct net_device *netdev) for(i = 0; i<IbmVethNumBufferPools; i++) rxq_entries += adapter->rx_buff_pool[i].size; - + adapter->buffer_list_addr = (void*) get_zeroed_page(GFP_KERNEL); adapter->filter_list_addr = (void*) get_zeroed_page(GFP_KERNEL); - + if(!adapter->buffer_list_addr || !adapter->filter_list_addr) { ibmveth_error_printk("unable to allocate filter or buffer list pages\n"); ibmveth_cleanup(adapter); @@ -489,9 +491,6 @@ static int ibmveth_open(struct net_device *netdev) adapter->rx_queue.num_slots = rxq_entries; adapter->rx_queue.toggle = 1; - /* call change_mtu to init the buffer pools based in initial mtu */ - ibmveth_change_mtu(netdev, netdev->mtu); - memcpy(&mac_address, netdev->dev_addr, netdev->addr_len); mac_address = mac_address >> 16; @@ -504,7 +503,7 @@ static int ibmveth_open(struct net_device *netdev) ibmveth_debug_printk("filter list @ 0x%p\n", adapter->filter_list_addr); ibmveth_debug_printk("receive q @ 0x%p\n", adapter->rx_queue.queue_addr); - + lpar_rc = h_register_logical_lan(adapter->vdev->unit_address, adapter->buffer_list_dma, rxq_desc.desc, @@ -519,7 +518,18 @@ static int ibmveth_open(struct net_device *netdev) rxq_desc.desc, mac_address); ibmveth_cleanup(adapter); - return -ENONET; + return -ENONET; + } + + for(i = 0; i<IbmVethNumBufferPools; i++) { + if(!adapter->rx_buff_pool[i].active) + continue; + if (ibmveth_alloc_buffer_pool(&adapter->rx_buff_pool[i])) { + ibmveth_error_printk("unable to alloc pool\n"); + adapter->rx_buff_pool[i].active = 0; + ibmveth_cleanup(adapter); + return -ENOMEM ; + } } ibmveth_debug_printk("registering irq 0x%x\n", netdev->irq); @@ -547,10 +557,11 @@ static int ibmveth_close(struct net_device *netdev) { struct ibmveth_adapter *adapter = netdev->priv; long lpar_rc; - + ibmveth_debug_printk("close starting\n"); - netif_stop_queue(netdev); + if (!adapter->pool_config) + netif_stop_queue(netdev); free_irq(netdev->irq, netdev); @@ -694,7 +705,7 @@ static int ibmveth_start_xmit(struct sk_buff *skb, struct net_device *netdev) desc[5].desc, correlator); } while ((lpar_rc == H_BUSY) && (retry_count--)); - + if(lpar_rc != H_SUCCESS && lpar_rc != H_DROPPED) { int i; ibmveth_error_printk("tx: h_send_logical_lan failed with rc=%ld\n", lpar_rc); @@ -780,7 +791,7 @@ static int ibmveth_poll(struct net_device *netdev, int *budget) /* more work to do - return that we are not done yet */ netdev->quota -= frames_processed; *budget -= frames_processed; - return 1; + return 1; } /* we think we are done - reenable interrupts, then check once more to make sure we are done */ @@ -806,7 +817,7 @@ static int ibmveth_poll(struct net_device *netdev, int *budget) } static irqreturn_t ibmveth_interrupt(int irq, void *dev_instance, struct pt_regs *regs) -{ +{ struct net_device *netdev = dev_instance; struct ibmveth_adapter *adapter = netdev->priv; unsigned long lpar_rc; @@ -862,7 +873,7 @@ static void ibmveth_set_multicast_list(struct net_device *netdev) ibmveth_error_printk("h_multicast_ctrl rc=%ld when adding an entry to the filter table\n", lpar_rc); } } - + /* re-enable filtering */ lpar_rc = h_multicast_ctrl(adapter->vdev->unit_address, IbmVethMcastEnableFiltering, @@ -876,46 +887,22 @@ static void ibmveth_set_multicast_list(struct net_device *netdev) static int ibmveth_change_mtu(struct net_device *dev, int new_mtu) { struct ibmveth_adapter *adapter = dev->priv; + int new_mtu_oh = new_mtu + IBMVETH_BUFF_OH; int i; - int prev_smaller = 1; - if ((new_mtu < 68) || - (new_mtu > (pool_size[IbmVethNumBufferPools-1]) - IBMVETH_BUFF_OH)) + if (new_mtu < IBMVETH_MAX_MTU) return -EINVAL; + /* Look for an active buffer pool that can hold the new MTU */ for(i = 0; i<IbmVethNumBufferPools; i++) { - int activate = 0; - if (new_mtu > (pool_size[i] - IBMVETH_BUFF_OH)) { - activate = 1; - prev_smaller= 1; - } else { - if (prev_smaller) - activate = 1; - prev_smaller= 0; + if (!adapter->rx_buff_pool[i].active) + continue; + if (new_mtu_oh < adapter->rx_buff_pool[i].buff_size) { + dev->mtu = new_mtu; + return 0; } - - if (activate && !adapter->rx_buff_pool[i].active) { - struct ibmveth_buff_pool *pool = - &adapter->rx_buff_pool[i]; - if(ibmveth_alloc_buffer_pool(pool)) { - ibmveth_error_printk("unable to alloc pool\n"); - return -ENOMEM; - } - adapter->rx_buff_pool[i].active = 1; - } else if (!activate && adapter->rx_buff_pool[i].active) { - adapter->rx_buff_pool[i].active = 0; - h_free_logical_lan_buffer(adapter->vdev->unit_address, - (u64)pool_size[i]); - } - } - - /* kick the interrupt handler so that the new buffer pools get - replenished or deallocated */ - ibmveth_interrupt(dev->irq, dev, NULL); - - dev->mtu = new_mtu; - return 0; + return -EINVAL; } static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id) @@ -928,7 +915,7 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_ unsigned int *mcastFilterSize_p; - ibmveth_debug_printk_no_adapter("entering ibmveth_probe for UA 0x%x\n", + ibmveth_debug_printk_no_adapter("entering ibmveth_probe for UA 0x%x\n", dev->unit_address); mac_addr_p = (unsigned char *) vio_get_attribute(dev, VETH_MAC_ADDR, 0); @@ -937,7 +924,7 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_ "attribute\n", __FILE__, __LINE__); return 0; } - + mcastFilterSize_p= (unsigned int *) vio_get_attribute(dev, VETH_MCAST_FILTER_SIZE, 0); if(!mcastFilterSize_p) { printk(KERN_ERR "(%s:%3.3d) ERROR: Can't find " @@ -945,7 +932,7 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_ __FILE__, __LINE__); return 0; } - + netdev = alloc_etherdev(sizeof(struct ibmveth_adapter)); if(!netdev) @@ -960,13 +947,14 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_ adapter->vdev = dev; adapter->netdev = netdev; adapter->mcastFilterSize= *mcastFilterSize_p; - + adapter->pool_config = 0; + /* Some older boxes running PHYP non-natively have an OF that - returns a 8-byte local-mac-address field (and the first + returns a 8-byte local-mac-address field (and the first 2 bytes have to be ignored) while newer boxes' OF return - a 6-byte field. Note that IEEE 1275 specifies that + a 6-byte field. Note that IEEE 1275 specifies that local-mac-address must be a 6-byte field. - The RPA doc specifies that the first byte must be 10b, so + The RPA doc specifies that the first byte must be 10b, so we'll just look for it to solve this 8 vs. 6 byte field issue */ if ((*mac_addr_p & 0x3) != 0x02) @@ -976,7 +964,7 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_ memcpy(&adapter->mac_addr, mac_addr_p, 6); adapter->liobn = dev->iommu_table->it_index; - + netdev->irq = dev->irq; netdev->open = ibmveth_open; netdev->poll = ibmveth_poll; @@ -989,14 +977,21 @@ static int __devinit ibmveth_probe(struct vio_dev *dev, const struct vio_device_ netdev->ethtool_ops = &netdev_ethtool_ops; netdev->change_mtu = ibmveth_change_mtu; SET_NETDEV_DEV(netdev, &dev->dev); - netdev->features |= NETIF_F_LLTX; + netdev->features |= NETIF_F_LLTX; spin_lock_init(&adapter->stats_lock); memcpy(&netdev->dev_addr, &adapter->mac_addr, netdev->addr_len); - for(i = 0; i<IbmVethNumBufferPools; i++) - ibmveth_init_buffer_pool(&adapter->rx_buff_pool[i], i, - pool_count[i], pool_size[i]); + for(i = 0; i<IbmVethNumBufferPools; i++) { + struct kobject *kobj = &adapter->rx_buff_pool[i].kobj; + ibmveth_init_buffer_pool(&adapter->rx_buff_pool[i], i, + pool_count[i], pool_size[i], + pool_active[i]); + kobj->parent = &dev->dev.kobj; + sprintf(kobj->name, "pool%d", i); + kobj->ktype = &ktype_veth_pool; + kobject_register(kobj); + } ibmveth_debug_printk("adapter @ 0x%p\n", adapter); @@ -1025,6 +1020,10 @@ static int __devexit ibmveth_remove(struct vio_dev *dev) { struct net_device *netdev = dev->dev.driver_data; struct ibmveth_adapter *adapter = netdev->priv; + int i; + + for(i = 0; i<IbmVethNumBufferPools; i++) + kobject_unregister(&adapter->rx_buff_pool[i].kobj); unregister_netdev(netdev); @@ -1048,7 +1047,7 @@ static void ibmveth_proc_unregister_driver(void) remove_proc_entry(IBMVETH_PROC_DIR, NULL); } -static void *ibmveth_seq_start(struct seq_file *seq, loff_t *pos) +static void *ibmveth_seq_start(struct seq_file *seq, loff_t *pos) { if (*pos == 0) { return (void *)1; @@ -1063,18 +1062,18 @@ static void *ibmveth_seq_next(struct seq_file *seq, void *v, loff_t *pos) return NULL; } -static void ibmveth_seq_stop(struct seq_file *seq, void *v) +static void ibmveth_seq_stop(struct seq_file *seq, void *v) { } -static int ibmveth_seq_show(struct seq_file *seq, void *v) +static int ibmveth_seq_show(struct seq_file *seq, void *v) { struct ibmveth_adapter *adapter = seq->private; char *current_mac = ((char*) &adapter->netdev->dev_addr); char *firmware_mac = ((char*) &adapter->mac_addr) ; seq_printf(seq, "%s %s\n\n", ibmveth_driver_string, ibmveth_driver_version); - + seq_printf(seq, "Unit Address: 0x%x\n", adapter->vdev->unit_address); seq_printf(seq, "LIOBN: 0x%lx\n", adapter->liobn); seq_printf(seq, "Current MAC: %02X:%02X:%02X:%02X:%02X:%02X\n", @@ -1083,7 +1082,7 @@ static int ibmveth_seq_show(struct seq_file *seq, void *v) seq_printf(seq, "Firmware MAC: %02X:%02X:%02X:%02X:%02X:%02X\n", firmware_mac[0], firmware_mac[1], firmware_mac[2], firmware_mac[3], firmware_mac[4], firmware_mac[5]); - + seq_printf(seq, "\nAdapter Statistics:\n"); seq_printf(seq, " TX: skbuffs linearized: %ld\n", adapter->tx_linearized); seq_printf(seq, " multi-descriptor sends: %ld\n", adapter->tx_multidesc_send); @@ -1095,7 +1094,7 @@ static int ibmveth_seq_show(struct seq_file *seq, void *v) seq_printf(seq, " add buffer failures: %ld\n", adapter->replenish_add_buff_failure); seq_printf(seq, " invalid buffers: %ld\n", adapter->rx_invalid_buffer); seq_printf(seq, " no buffers: %ld\n", adapter->rx_no_buffer); - + return 0; } static struct seq_operations ibmveth_seq_ops = { @@ -1153,11 +1152,11 @@ static void ibmveth_proc_unregister_adapter(struct ibmveth_adapter *adapter) } #else /* CONFIG_PROC_FS */ -static void ibmveth_proc_register_adapter(struct ibmveth_adapter *adapter) +static void ibmveth_proc_register_adapter(struct ibmveth_adapter *adapter) { } -static void ibmveth_proc_unregister_adapter(struct ibmveth_adapter *adapter) +static void ibmveth_proc_unregister_adapter(struct ibmveth_adapter *adapter) { } static void ibmveth_proc_register_driver(void) @@ -1169,6 +1168,132 @@ static void ibmveth_proc_unregister_driver(void) } #endif /* CONFIG_PROC_FS */ +static struct attribute veth_active_attr; +static struct attribute veth_num_attr; +static struct attribute veth_size_attr; + +static ssize_t veth_pool_show(struct kobject * kobj, + struct attribute * attr, char * buf) +{ + struct ibmveth_buff_pool *pool = container_of(kobj, + struct ibmveth_buff_pool, + kobj); + + if (attr == &veth_active_attr) + return sprintf(buf, "%d\n", pool->active); + else if (attr == &veth_num_attr) + return sprintf(buf, "%d\n", pool->size); + else if (attr == &veth_size_attr) + return sprintf(buf, "%d\n", pool->buff_size); + return 0; +} + +static ssize_t veth_pool_store(struct kobject * kobj, struct attribute * attr, +const char * buf, size_t count) +{ + struct ibmveth_buff_pool *pool = container_of(kobj, + struct ibmveth_buff_pool, + kobj); + struct net_device *netdev = + container_of(kobj->parent, struct device, kobj)->driver_data; + struct ibmveth_adapter *adapter = netdev->priv; + long value = simple_strtol(buf, NULL, 10); + long rc; + + if (attr == &veth_active_attr) { + if (value && !pool->active) { + if(ibmveth_alloc_buffer_pool(pool)) { + ibmveth_error_printk("unable to alloc pool\n"); + return -ENOMEM; + } + pool->active = 1; + adapter->pool_config = 1; + ibmveth_close(netdev); + adapter->pool_config = 0; + if ((rc = ibmveth_open(netdev))) + return rc; + } else if (!value && pool->active) { + int mtu = netdev->mtu + IBMVETH_BUFF_OH; + int i; + /* Make sure there is a buffer pool with buffers that + can hold a packet of the size of the MTU */ + for(i = 0; i<IbmVethNumBufferPools; i++) { + if (pool == &adapter->rx_buff_pool[i]) + continue; + if (!adapter->rx_buff_pool[i].active) + continue; + if (mtu < adapter->rx_buff_pool[i].buff_size) { + pool->active = 0; + h_free_logical_lan_buffer(adapter-> + vdev-> + unit_address, + pool-> + buff_size); + } + } + if (pool->active) { + ibmveth_error_printk("no active pool >= MTU\n"); + return -EPERM; + } + } + } else if (attr == &veth_num_attr) { + if (value <= 0 || value > IBMVETH_MAX_POOL_COUNT) + return -EINVAL; + else { + adapter->pool_config = 1; + ibmveth_close(netdev); + adapter->pool_config = 0; + pool->size = value; + if ((rc = ibmveth_open(netdev))) + return rc; + } + } else if (attr == &veth_size_attr) { + if (value <= IBMVETH_BUFF_OH || value > IBMVETH_MAX_BUF_SIZE) + return -EINVAL; + else { + adapter->pool_config = 1; + ibmveth_close(netdev); + adapter->pool_config = 0; + pool->buff_size = value; + if ((rc = ibmveth_open(netdev))) + return rc; + } + } + + /* kick the interrupt handler to allocate/deallocate pools */ + ibmveth_interrupt(netdev->irq, netdev, NULL); + return count; +} + + +#define ATTR(_name, _mode) \ + struct attribute veth_##_name##_attr = { \ + .name = __stringify(_name), .mode = _mode, .owner = THIS_MODULE \ + }; + +static ATTR(active, 0644); +static ATTR(num, 0644); +static ATTR(size, 0644); + +static struct attribute * veth_pool_attrs[] = { + &veth_active_attr, + &veth_num_attr, + &veth_size_attr, + NULL, +}; + +static struct sysfs_ops veth_pool_ops = { + .show = veth_pool_show, + .store = veth_pool_store, +}; + +static struct kobj_type ktype_veth_pool = { + .release = NULL, + .sysfs_ops = &veth_pool_ops, + .default_attrs = veth_pool_attrs, +}; + + static struct vio_device_id ibmveth_device_table[] __devinitdata= { { "network", "IBM,l-lan"}, { "", "" } @@ -1198,7 +1323,7 @@ static void __exit ibmveth_module_exit(void) { vio_unregister_driver(&ibmveth_driver); ibmveth_proc_unregister_driver(); -} +} module_init(ibmveth_module_init); module_exit(ibmveth_module_exit); diff --git a/drivers/net/ibmveth.h b/drivers/net/ibmveth.h index 46919a814fca..8385bf836507 100644 --- a/drivers/net/ibmveth.h +++ b/drivers/net/ibmveth.h @@ -75,10 +75,13 @@ #define IbmVethNumBufferPools 5 #define IBMVETH_BUFF_OH 22 /* Overhead: 14 ethernet header + 8 opaque handle */ +#define IBMVETH_MAX_MTU 68 +#define IBMVETH_MAX_POOL_COUNT 4096 +#define IBMVETH_MAX_BUF_SIZE (1024 * 128) -/* pool_size should be sorted */ static int pool_size[] = { 512, 1024 * 2, 1024 * 16, 1024 * 32, 1024 * 64 }; static int pool_count[] = { 256, 768, 256, 256, 256 }; +static int pool_active[] = { 1, 1, 0, 0, 0}; #define IBM_VETH_INVALID_MAP ((u16)0xffff) @@ -94,6 +97,7 @@ struct ibmveth_buff_pool { dma_addr_t *dma_addr; struct sk_buff **skbuff; int active; + struct kobject kobj; }; struct ibmveth_rx_q { @@ -118,6 +122,7 @@ struct ibmveth_adapter { dma_addr_t filter_list_dma; struct ibmveth_buff_pool rx_buff_pool[IbmVethNumBufferPools]; struct ibmveth_rx_q rx_queue; + int pool_config; /* adapter specific stats */ u64 replenish_task_cycles; @@ -134,7 +139,7 @@ struct ibmveth_adapter { spinlock_t stats_lock; }; -struct ibmveth_buf_desc_fields { +struct ibmveth_buf_desc_fields { u32 valid : 1; u32 toggle : 1; u32 reserved : 6; @@ -143,7 +148,7 @@ struct ibmveth_buf_desc_fields { }; union ibmveth_buf_desc { - u64 desc; + u64 desc; struct ibmveth_buf_desc_fields fields; }; diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c index 31fb2d75dc44..2e222ef91e22 100644 --- a/drivers/net/ifb.c +++ b/drivers/net/ifb.c @@ -76,13 +76,13 @@ static void ri_tasklet(unsigned long dev) dp->st_task_enter++; if ((skb = skb_peek(&dp->tq)) == NULL) { dp->st_txq_refl_try++; - if (spin_trylock(&_dev->xmit_lock)) { + if (netif_tx_trylock(_dev)) { dp->st_rxq_enter++; while ((skb = skb_dequeue(&dp->rq)) != NULL) { skb_queue_tail(&dp->tq, skb); dp->st_rx2tx_tran++; } - spin_unlock(&_dev->xmit_lock); + netif_tx_unlock(_dev); } else { /* reschedule */ dp->st_rxq_notenter++; @@ -110,7 +110,7 @@ static void ri_tasklet(unsigned long dev) } } - if (spin_trylock(&_dev->xmit_lock)) { + if (netif_tx_trylock(_dev)) { dp->st_rxq_check++; if ((skb = skb_peek(&dp->rq)) == NULL) { dp->tasklet_pending = 0; @@ -118,10 +118,10 @@ static void ri_tasklet(unsigned long dev) netif_wake_queue(_dev); } else { dp->st_rxq_rsch++; - spin_unlock(&_dev->xmit_lock); + netif_tx_unlock(_dev); goto resched; } - spin_unlock(&_dev->xmit_lock); + netif_tx_unlock(_dev); } else { resched: dp->tasklet_pending = 1; diff --git a/drivers/net/irda/Kconfig b/drivers/net/irda/Kconfig index cff8598aa800..d2ce4896abff 100644 --- a/drivers/net/irda/Kconfig +++ b/drivers/net/irda/Kconfig @@ -417,5 +417,20 @@ config PXA_FICP available capabilities may vary from one PXA2xx target to another. +config MCS_FIR + tristate "MosChip MCS7780 IrDA-USB dongle" + depends on IRDA && USB && EXPERIMENTAL + help + Say Y or M here if you want to build support for the MosChip + MCS7780 IrDA-USB bridge device driver. + + USB bridge based on the MosChip MCS7780 don't conform to the + IrDA-USB device class specification, and therefore need their + own specific driver. Those dongles support SIR and FIR (4Mbps) + speeds. + + To compile it as a module, choose M here: the module will be called + mcs7780. + endmenu diff --git a/drivers/net/irda/Makefile b/drivers/net/irda/Makefile index c1ce2398efea..5be09f1b9ee2 100644 --- a/drivers/net/irda/Makefile +++ b/drivers/net/irda/Makefile @@ -19,6 +19,7 @@ obj-$(CONFIG_ALI_FIR) += ali-ircc.o obj-$(CONFIG_VLSI_FIR) += vlsi_ir.o obj-$(CONFIG_VIA_FIR) += via-ircc.o obj-$(CONFIG_PXA_FICP) += pxaficp_ir.o +obj-$(CONFIG_MCS_FIR) += mcs7780.o # Old dongle drivers for old SIR drivers obj-$(CONFIG_ESI_DONGLE_OLD) += esi.o obj-$(CONFIG_TEKRAM_DONGLE_OLD) += tekram.o diff --git a/drivers/net/irda/ali-ircc.c b/drivers/net/irda/ali-ircc.c index 2e7882eb7d6f..bf1fca5a3fa0 100644 --- a/drivers/net/irda/ali-ircc.c +++ b/drivers/net/irda/ali-ircc.c @@ -34,14 +34,12 @@ #include <linux/rtnetlink.h> #include <linux/serial_reg.h> #include <linux/dma-mapping.h> +#include <linux/platform_device.h> #include <asm/io.h> #include <asm/dma.h> #include <asm/byteorder.h> -#include <linux/pm.h> -#include <linux/pm_legacy.h> - #include <net/irda/wrapper.h> #include <net/irda/irda.h> #include <net/irda/irda_device.h> @@ -51,7 +49,19 @@ #define CHIP_IO_EXTENT 8 #define BROKEN_DONGLE_ID -static char *driver_name = "ali-ircc"; +#define ALI_IRCC_DRIVER_NAME "ali-ircc" + +/* Power Management */ +static int ali_ircc_suspend(struct platform_device *dev, pm_message_t state); +static int ali_ircc_resume(struct platform_device *dev); + +static struct platform_driver ali_ircc_driver = { + .suspend = ali_ircc_suspend, + .resume = ali_ircc_resume, + .driver = { + .name = ALI_IRCC_DRIVER_NAME, + }, +}; /* Module parameters */ static int qos_mtt_bits = 0x07; /* 1 ms or more */ @@ -97,10 +107,7 @@ static int ali_ircc_is_receiving(struct ali_ircc_cb *self); static int ali_ircc_net_open(struct net_device *dev); static int ali_ircc_net_close(struct net_device *dev); static int ali_ircc_net_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); -static int ali_ircc_pmproc(struct pm_dev *dev, pm_request_t rqst, void *data); static void ali_ircc_change_speed(struct ali_ircc_cb *self, __u32 baud); -static void ali_ircc_suspend(struct ali_ircc_cb *self); -static void ali_ircc_wakeup(struct ali_ircc_cb *self); static struct net_device_stats *ali_ircc_net_get_stats(struct net_device *dev); /* SIR function */ @@ -145,6 +152,14 @@ static int __init ali_ircc_init(void) int i = 0; IRDA_DEBUG(2, "%s(), ---------------- Start ----------------\n", __FUNCTION__); + + ret = platform_driver_register(&ali_ircc_driver); + if (ret) { + IRDA_ERROR("%s, Can't register driver!\n", + ALI_IRCC_DRIVER_NAME); + return ret; + } + /* Probe for all the ALi chipsets we know about */ for (chip= chips; chip->name; chip++, i++) @@ -214,6 +229,10 @@ static int __init ali_ircc_init(void) } IRDA_DEBUG(2, "%s(), ----------------- End -----------------\n", __FUNCTION__); + + if (ret) + platform_driver_unregister(&ali_ircc_driver); + return ret; } @@ -228,14 +247,14 @@ static void __exit ali_ircc_cleanup(void) int i; IRDA_DEBUG(2, "%s(), ---------------- Start ----------------\n", __FUNCTION__); - - pm_unregister_all(ali_ircc_pmproc); for (i=0; i < 4; i++) { if (dev_self[i]) ali_ircc_close(dev_self[i]); } + platform_driver_unregister(&ali_ircc_driver); + IRDA_DEBUG(2, "%s(), ----------------- End -----------------\n", __FUNCTION__); } @@ -249,7 +268,6 @@ static int ali_ircc_open(int i, chipio_t *info) { struct net_device *dev; struct ali_ircc_cb *self; - struct pm_dev *pmdev; int dongle_id; int err; @@ -284,7 +302,8 @@ static int ali_ircc_open(int i, chipio_t *info) self->io.fifo_size = 16; /* SIR: 16, FIR: 32 Benjamin 2000/11/1 */ /* Reserve the ioports that we need */ - if (!request_region(self->io.fir_base, self->io.fir_ext, driver_name)) { + if (!request_region(self->io.fir_base, self->io.fir_ext, + ALI_IRCC_DRIVER_NAME)) { IRDA_WARNING("%s(), can't get iobase of 0x%03x\n", __FUNCTION__, self->io.fir_base); err = -ENODEV; @@ -354,13 +373,10 @@ static int ali_ircc_open(int i, chipio_t *info) /* Check dongle id */ dongle_id = ali_ircc_read_dongle_id(i, info); - IRDA_MESSAGE("%s(), %s, Found dongle: %s\n", __FUNCTION__, driver_name, dongle_types[dongle_id]); + IRDA_MESSAGE("%s(), %s, Found dongle: %s\n", __FUNCTION__, + ALI_IRCC_DRIVER_NAME, dongle_types[dongle_id]); self->io.dongle_id = dongle_id; - - pmdev = pm_register(PM_SYS_DEV, PM_SYS_IRDA, ali_ircc_pmproc); - if (pmdev) - pmdev->data = self; IRDA_DEBUG(2, "%s(), ----------------- End -----------------\n", __FUNCTION__); @@ -548,12 +564,11 @@ static int ali_ircc_setup(chipio_t *info) /* Should be 0x00 in the M1535/M1535D */ if(version != 0x00) { - IRDA_ERROR("%s, Wrong chip version %02x\n", driver_name, version); + IRDA_ERROR("%s, Wrong chip version %02x\n", + ALI_IRCC_DRIVER_NAME, version); return -1; } - // IRDA_MESSAGE("%s, Found chip at base=0x%03x\n", driver_name, info->cfg_base); - /* Set FIR FIFO Threshold Register */ switch_bank(iobase, BANK1); outb(RX_FIFO_Threshold, iobase+FIR_FIFO_TR); @@ -583,7 +598,8 @@ static int ali_ircc_setup(chipio_t *info) /* Switch to SIR space */ FIR2SIR(iobase); - IRDA_MESSAGE("%s, driver loaded (Benjamin Kong)\n", driver_name); + IRDA_MESSAGE("%s, driver loaded (Benjamin Kong)\n", + ALI_IRCC_DRIVER_NAME); /* Enable receive interrupts */ // outb(UART_IER_RDI, iobase+UART_IER); //benjamin 2000/11/23 01:25PM @@ -647,7 +663,8 @@ static irqreturn_t ali_ircc_interrupt(int irq, void *dev_id, IRDA_DEBUG(2, "%s(), ---------------- Start ----------------\n", __FUNCTION__); if (!dev) { - IRDA_WARNING("%s: irq %d for unknown device.\n", driver_name, irq); + IRDA_WARNING("%s: irq %d for unknown device.\n", + ALI_IRCC_DRIVER_NAME, irq); return IRQ_NONE; } @@ -1328,7 +1345,8 @@ static int ali_ircc_net_open(struct net_device *dev) /* Request IRQ and install Interrupt Handler */ if (request_irq(self->io.irq, ali_ircc_interrupt, 0, dev->name, dev)) { - IRDA_WARNING("%s, unable to allocate irq=%d\n", driver_name, + IRDA_WARNING("%s, unable to allocate irq=%d\n", + ALI_IRCC_DRIVER_NAME, self->io.irq); return -EAGAIN; } @@ -1338,7 +1356,8 @@ static int ali_ircc_net_open(struct net_device *dev) * failure. */ if (request_dma(self->io.dma, dev->name)) { - IRDA_WARNING("%s, unable to allocate dma=%d\n", driver_name, + IRDA_WARNING("%s, unable to allocate dma=%d\n", + ALI_IRCC_DRIVER_NAME, self->io.dma); free_irq(self->io.irq, self); return -EAGAIN; @@ -2108,61 +2127,38 @@ static struct net_device_stats *ali_ircc_net_get_stats(struct net_device *dev) return &self->stats; } -static void ali_ircc_suspend(struct ali_ircc_cb *self) +static int ali_ircc_suspend(struct platform_device *dev, pm_message_t state) { - IRDA_DEBUG(2, "%s(), ---------------- Start ----------------\n", __FUNCTION__ ); + struct ali_ircc_cb *self = platform_get_drvdata(dev); - IRDA_MESSAGE("%s, Suspending\n", driver_name); + IRDA_MESSAGE("%s, Suspending\n", ALI_IRCC_DRIVER_NAME); if (self->io.suspended) - return; + return 0; ali_ircc_net_close(self->netdev); self->io.suspended = 1; - IRDA_DEBUG(2, "%s(), ----------------- End ------------------\n", __FUNCTION__ ); + return 0; } -static void ali_ircc_wakeup(struct ali_ircc_cb *self) +static int ali_ircc_resume(struct platform_device *dev) { - IRDA_DEBUG(2, "%s(), ---------------- Start ----------------\n", __FUNCTION__ ); + struct ali_ircc_cb *self = platform_get_drvdata(dev); if (!self->io.suspended) - return; + return 0; ali_ircc_net_open(self->netdev); - IRDA_MESSAGE("%s, Waking up\n", driver_name); + IRDA_MESSAGE("%s, Waking up\n", ALI_IRCC_DRIVER_NAME); self->io.suspended = 0; - - IRDA_DEBUG(2, "%s(), ----------------- End ------------------\n", __FUNCTION__ ); -} -static int ali_ircc_pmproc(struct pm_dev *dev, pm_request_t rqst, void *data) -{ - struct ali_ircc_cb *self = (struct ali_ircc_cb*) dev->data; - - IRDA_DEBUG(2, "%s(), ---------------- Start ----------------\n", __FUNCTION__ ); - - if (self) { - switch (rqst) { - case PM_SUSPEND: - ali_ircc_suspend(self); - break; - case PM_RESUME: - ali_ircc_wakeup(self); - break; - } - } - - IRDA_DEBUG(2, "%s(), ----------------- End ------------------\n", __FUNCTION__ ); - return 0; } - /* ALi Chip Function */ static void SetCOMInterrupts(struct ali_ircc_cb *self , unsigned char enable) diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c index cd87593e4e8a..844fa74ac9ec 100644 --- a/drivers/net/irda/irda-usb.c +++ b/drivers/net/irda/irda-usb.c @@ -83,9 +83,9 @@ static struct usb_device_id dongles[] = { /* Extended Systems, Inc., XTNDAccess IrDA USB (ESI-9685) */ { USB_DEVICE(0x8e9, 0x100), .driver_info = IUC_SPEED_BUG | IUC_NO_WINDOW }, /* SigmaTel STIR4210/4220/4116 USB IrDA (VFIR) Bridge */ - { USB_DEVICE(0x66f, 0x4210), .driver_info = IUC_STIR_4210 | IUC_SPEED_BUG }, - { USB_DEVICE(0x66f, 0x4220), .driver_info = IUC_STIR_4210 | IUC_SPEED_BUG }, - { USB_DEVICE(0x66f, 0x4116), .driver_info = IUC_STIR_4210 | IUC_SPEED_BUG }, + { USB_DEVICE(0x66f, 0x4210), .driver_info = IUC_STIR421X | IUC_SPEED_BUG }, + { USB_DEVICE(0x66f, 0x4220), .driver_info = IUC_STIR421X | IUC_SPEED_BUG }, + { USB_DEVICE(0x66f, 0x4116), .driver_info = IUC_STIR421X | IUC_SPEED_BUG }, { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS | USB_DEVICE_ID_MATCH_INT_SUBCLASS, .bInterfaceClass = USB_CLASS_APP_SPEC, @@ -154,7 +154,7 @@ static void irda_usb_build_header(struct irda_usb_cb *self, * and if either speed or xbofs (or both) needs * to be changed. */ - if (self->capability & IUC_STIR_4210 && + if (self->capability & IUC_STIR421X && ((self->new_speed != -1) || (self->new_xbofs != -1))) { /* With STIR421x, speed and xBOFs must be set at the same @@ -318,7 +318,7 @@ static void irda_usb_change_speed_xbofs(struct irda_usb_cb *self) /* Set the new speed and xbofs in this fake frame */ irda_usb_build_header(self, frame, 1); - if ( self->capability & IUC_STIR_4210 ) { + if (self->capability & IUC_STIR421X) { if (frame[0] == 0) return ; // do nothing if no change frame[1] = 0; // other parameters don't change here frame[2] = 0; @@ -455,7 +455,7 @@ static int irda_usb_hard_xmit(struct sk_buff *skb, struct net_device *netdev) /* Change setting for next frame */ - if ( self->capability & IUC_STIR_4210 ) { + if (self->capability & IUC_STIR421X) { __u8 turnaround_time; __u8* frame; turnaround_time = get_turnaround_time( skb ); @@ -897,10 +897,13 @@ static void irda_usb_receive(struct urb *urb, struct pt_regs *regs) docopy = (urb->actual_length < IRDA_RX_COPY_THRESHOLD); /* Allocate a new skb */ - if ( self->capability & IUC_STIR_4210 ) - newskb = dev_alloc_skb(docopy ? urb->actual_length : IRDA_SKB_MAX_MTU + USB_IRDA_SIGMATEL_HEADER); + if (self->capability & IUC_STIR421X) + newskb = dev_alloc_skb(docopy ? urb->actual_length : + IRDA_SKB_MAX_MTU + + USB_IRDA_STIR421X_HEADER); else - newskb = dev_alloc_skb(docopy ? urb->actual_length : IRDA_SKB_MAX_MTU); + newskb = dev_alloc_skb(docopy ? urb->actual_length : + IRDA_SKB_MAX_MTU); if (!newskb) { self->stats.rx_dropped++; @@ -1022,188 +1025,140 @@ static int irda_usb_is_receiving(struct irda_usb_cb *self) return 0; /* For now */ } - -#define STIR421X_PATCH_PRODUCT_VERSION_STR "Product Version: " -#define STIR421X_PATCH_COMPONENT_VERSION_STR "Component Version: " -#define STIR421X_PATCH_DATA_TAG_STR "STMP" -#define STIR421X_PATCH_FILE_VERSION_MAX_OFFSET 512 /* version info is before here */ -#define STIR421X_PATCH_FILE_IMAGE_MAX_OFFSET 512 /* patch image starts before here */ -#define STIR421X_PATCH_FILE_END_OF_HEADER_TAG 0x1A /* marks end of patch file header (PC DOS text file EOF character) */ +#define STIR421X_PATCH_PRODUCT_VER "Product Version: " +#define STIR421X_PATCH_STMP_TAG "STMP" +#define STIR421X_PATCH_CODE_OFFSET 512 /* patch image starts before here */ +/* marks end of patch file header (PC DOS text file EOF character) */ +#define STIR421X_PATCH_END_OF_HDR_TAG 0x1A +#define STIR421X_PATCH_BLOCK_SIZE 1023 /* - * Known firmware patches for STIR421x dongles + * Function stir421x_fwupload (struct irda_usb_cb *self, + * unsigned char *patch, + * const unsigned int patch_len) + * + * Upload firmware code to SigmaTel 421X IRDA-USB dongle */ -static char * stir421x_patches[] = { - "42101001.sb", - "42101002.sb", -}; - -static int stir421x_get_patch_version(unsigned char * patch, const unsigned long patch_len) +static int stir421x_fw_upload(struct irda_usb_cb *self, + unsigned char *patch, + const unsigned int patch_len) { - unsigned int version_offset; - unsigned long version_major, version_minor, version_build; - unsigned char * version_start; - int version_found = 0; - - for (version_offset = 0; - version_offset < STIR421X_PATCH_FILE_END_OF_HEADER_TAG; - version_offset++) { - if (!memcmp(patch + version_offset, - STIR421X_PATCH_PRODUCT_VERSION_STR, - sizeof(STIR421X_PATCH_PRODUCT_VERSION_STR) - 1)) { - version_found = 1; - version_start = patch + - version_offset + - sizeof(STIR421X_PATCH_PRODUCT_VERSION_STR) - 1; - break; - } + int ret = -ENOMEM; + int actual_len = 0; + unsigned int i; + unsigned int block_size = 0; + unsigned char *patch_block; + + patch_block = kzalloc(STIR421X_PATCH_BLOCK_SIZE, GFP_KERNEL); + if (patch_block == NULL) + return -ENOMEM; + + /* break up patch into 1023-byte sections */ + for (i = 0; i < patch_len; i += block_size) { + block_size = patch_len - i; + + if (block_size > STIR421X_PATCH_BLOCK_SIZE) + block_size = STIR421X_PATCH_BLOCK_SIZE; + + /* upload the patch section */ + memcpy(patch_block, patch + i, block_size); + + ret = usb_bulk_msg(self->usbdev, + usb_sndbulkpipe(self->usbdev, + self->bulk_out_ep), + patch_block, block_size, + &actual_len, msecs_to_jiffies(500)); + IRDA_DEBUG(3,"%s(): Bulk send %u bytes, ret=%d\n", + __FUNCTION__, actual_len, ret); + + if (ret < 0) + break; } - /* We couldn't find a product version on this patch */ - if (!version_found) - return -EINVAL; - - /* Let's check if the product version is dotted */ - if (version_start[3] != '.' || - version_start[7] != '.') - return -EINVAL; - - version_major = simple_strtoul(version_start, NULL, 10); - version_minor = simple_strtoul(version_start + 4, NULL, 10); - version_build = simple_strtoul(version_start + 8, NULL, 10); - - IRDA_DEBUG(2, "%s(), Major: %ld Minor: %ld Build: %ld\n", - __FUNCTION__, - version_major, version_minor, version_build); - - return (((version_major) << 12) + - ((version_minor) << 8) + - ((version_build / 10) << 4) + - (version_build % 10)); - -} - - -static int stir421x_upload_patch (struct irda_usb_cb *self, - unsigned char * patch, - const unsigned int patch_len) -{ - int retval = 0; - int actual_len; - unsigned int i = 0, download_amount = 0; - unsigned char * patch_chunk; - - IRDA_DEBUG (2, "%s(), Uploading STIR421x Patch\n", __FUNCTION__); - - patch_chunk = kzalloc(STIR421X_MAX_PATCH_DOWNLOAD_SIZE, GFP_KERNEL); - if (patch_chunk == NULL) - return -ENOMEM; - - /* break up patch into 1023-byte sections */ - for (i = 0; retval >= 0 && i < patch_len; i += download_amount) { - download_amount = patch_len - i; - if (download_amount > STIR421X_MAX_PATCH_DOWNLOAD_SIZE) - download_amount = STIR421X_MAX_PATCH_DOWNLOAD_SIZE; - - /* download the patch section */ - memcpy(patch_chunk, patch + i, download_amount); - - retval = usb_bulk_msg (self->usbdev, - usb_sndbulkpipe (self->usbdev, - self->bulk_out_ep), - patch_chunk, download_amount, - &actual_len, msecs_to_jiffies (500)); - IRDA_DEBUG (2, "%s(), Sent %u bytes\n", __FUNCTION__, - actual_len); - if (retval == 0) - mdelay(10); - } - - kfree(patch_chunk); - - if (i != patch_len) { - IRDA_ERROR ("%s(), Pushed %d bytes (!= patch_len (%d))\n", - __FUNCTION__, i, patch_len); - retval = -EIO; - } - - if (retval < 0) - /* todo - mark device as not ready */ - IRDA_ERROR ("%s(), STIR421x patch upload failed (%d)\n", - __FUNCTION__, retval); - - return retval; -} + kfree(patch_block); + return ret; + } +/* + * Function stir421x_patch_device(struct irda_usb_cb *self) + * + * Get a firmware code from userspase using hotplug request_firmware() call + */ static int stir421x_patch_device(struct irda_usb_cb *self) { - unsigned int i, patch_found = 0, data_found = 0, data_offset; - int patch_version, ret = 0; - const struct firmware *fw_entry; - - for (i = 0; i < ARRAY_SIZE(stir421x_patches); i++) { - if(request_firmware(&fw_entry, stir421x_patches[i], &self->usbdev->dev) != 0) { - IRDA_ERROR( "%s(), Patch %s is not available\n", __FUNCTION__, stir421x_patches[i]); - continue; - } - - /* We found a patch from userspace */ - patch_version = stir421x_get_patch_version (fw_entry->data, fw_entry->size); - - if (patch_version < 0) { - /* Couldn't fetch a version, let's move on to the next file */ - IRDA_ERROR("%s(), version parsing failed\n", __FUNCTION__); - ret = patch_version; - release_firmware(fw_entry); - continue; - } - - if (patch_version != self->usbdev->descriptor.bcdDevice) { - /* Patch version and device don't match */ - IRDA_ERROR ("%s(), wrong patch version (%d <-> %d)\n", - __FUNCTION__, - patch_version, self->usbdev->descriptor.bcdDevice); - ret = -EINVAL; - release_firmware(fw_entry); - continue; - } - - /* If we're here, we've found a correct patch */ - patch_found = 1; - break; - - } - - /* We couldn't find a valid firmware, let's leave */ - if (!patch_found) - return ret; - - /* The actual image starts after the "STMP" keyword */ - for (data_offset = 0; data_offset < STIR421X_PATCH_FILE_IMAGE_MAX_OFFSET; data_offset++) { - if (!memcmp(fw_entry->data + data_offset, - STIR421X_PATCH_DATA_TAG_STR, - sizeof(STIR421X_PATCH_FILE_IMAGE_MAX_OFFSET))) { - IRDA_DEBUG(2, "%s(), found patch data for STIR421x at offset %d\n", - __FUNCTION__, data_offset); - data_found = 1; - break; - } - } - - /* We couldn't find "STMP" from the header */ - if (!data_found) - return -EINVAL; - - /* Let's upload the patch to the target */ - ret = stir421x_upload_patch(self, - &fw_entry->data[data_offset + sizeof(STIR421X_PATCH_FILE_IMAGE_MAX_OFFSET)], - fw_entry->size - (data_offset + sizeof(STIR421X_PATCH_FILE_IMAGE_MAX_OFFSET))); - - release_firmware(fw_entry); - - return ret; - + unsigned int i; + int ret; + char stir421x_fw_name[11]; + const struct firmware *fw; + unsigned char *fw_version_ptr; /* pointer to version string */ + unsigned long fw_version = 0; + + /* + * Known firmware patch file names for STIR421x dongles + * are "42101001.sb" or "42101002.sb" + */ + sprintf(stir421x_fw_name, "4210%4X.sb", + self->usbdev->descriptor.bcdDevice); + ret = request_firmware(&fw, stir421x_fw_name, &self->usbdev->dev); + if (ret < 0) + return ret; + + /* We get a patch from userspace */ + IRDA_MESSAGE("%s(): Received firmware %s (%u bytes)\n", + __FUNCTION__, stir421x_fw_name, fw->size); + + ret = -EINVAL; + + /* Get the bcd product version */ + if (!memcmp(fw->data, STIR421X_PATCH_PRODUCT_VER, + sizeof(STIR421X_PATCH_PRODUCT_VER) - 1)) { + fw_version_ptr = fw->data + + sizeof(STIR421X_PATCH_PRODUCT_VER) - 1; + + /* Let's check if the product version is dotted */ + if (fw_version_ptr[3] == '.' && + fw_version_ptr[7] == '.') { + unsigned long major, minor, build; + major = simple_strtoul(fw_version_ptr, NULL, 10); + minor = simple_strtoul(fw_version_ptr + 4, NULL, 10); + build = simple_strtoul(fw_version_ptr + 8, NULL, 10); + + fw_version = (major << 12) + + (minor << 8) + + ((build / 10) << 4) + + (build % 10); + + IRDA_DEBUG(3, "%s(): Firmware Product version %ld\n", + __FUNCTION__, fw_version); + } + } + + if (self->usbdev->descriptor.bcdDevice == fw_version) { + /* + * If we're here, we've found a correct patch + * The actual image starts after the "STMP" keyword + * so forward to the firmware header tag + */ + for (i = 0; (fw->data[i] != STIR421X_PATCH_END_OF_HDR_TAG) + && (i < fw->size); i++) ; + /* here we check for the out of buffer case */ + if ((STIR421X_PATCH_END_OF_HDR_TAG == fw->data[i]) + && (i < STIR421X_PATCH_CODE_OFFSET)) { + if (!memcmp(fw->data + i + 1, STIR421X_PATCH_STMP_TAG, + sizeof(STIR421X_PATCH_STMP_TAG) - 1)) { + + /* We can upload the patch to the target */ + i += sizeof(STIR421X_PATCH_STMP_TAG); + ret = stir421x_fw_upload(self, &fw->data[i], + fw->size - i); + } + } + } + + release_firmware(fw); + + return ret; } @@ -1702,12 +1657,12 @@ static int irda_usb_probe(struct usb_interface *intf, init_timer(&self->rx_defer_timer); self->capability = id->driver_info; - self->needspatch = ((self->capability & IUC_STIR_4210) != 0) ; + self->needspatch = ((self->capability & IUC_STIR421X) != 0); /* Create all of the needed urbs */ - if (self->capability & IUC_STIR_4210) { + if (self->capability & IUC_STIR421X) { self->max_rx_urb = IU_SIGMATEL_MAX_RX_URBS; - self->header_length = USB_IRDA_SIGMATEL_HEADER; + self->header_length = USB_IRDA_STIR421X_HEADER; } else { self->max_rx_urb = IU_MAX_RX_URBS; self->header_length = USB_IRDA_HEADER; @@ -1813,8 +1768,8 @@ static int irda_usb_probe(struct usb_interface *intf, /* Now we fetch and upload the firmware patch */ ret = stir421x_patch_device(self); self->needspatch = (ret < 0); - if (ret < 0) { - printk("patch_device failed\n"); + if (self->needspatch) { + IRDA_ERROR("STIR421X: Couldn't upload patch\n"); goto err_out_5; } diff --git a/drivers/net/irda/irda-usb.h b/drivers/net/irda/irda-usb.h index d833db52cebf..6b2271f18e77 100644 --- a/drivers/net/irda/irda-usb.h +++ b/drivers/net/irda/irda-usb.h @@ -34,9 +34,6 @@ #include <net/irda/irda.h> #include <net/irda/irda_device.h> /* struct irlap_cb */ -#define PATCH_FILE_SIZE_MAX 65536 -#define PATCH_FILE_SIZE_MIN 80 - #define RX_COPY_THRESHOLD 200 #define IRDA_USB_MAX_MTU 2051 #define IRDA_USB_SPEED_MTU 64 /* Weird, but work like this */ @@ -107,14 +104,15 @@ #define IUC_SMALL_PKT 0x10 /* Device doesn't behave with big Rx packets */ #define IUC_MAX_WINDOW 0x20 /* Device underestimate the Rx window */ #define IUC_MAX_XBOFS 0x40 /* Device need more xbofs than advertised */ -#define IUC_STIR_4210 0x80 /* SigmaTel 4210/4220/4116 VFIR */ +#define IUC_STIR421X 0x80 /* SigmaTel 4210/4220/4116 VFIR */ /* USB class definitions */ #define USB_IRDA_HEADER 0x01 #define USB_CLASS_IRDA 0x02 /* USB_CLASS_APP_SPEC subclass */ #define USB_DT_IRDA 0x21 -#define USB_IRDA_SIGMATEL_HEADER 0x03 -#define IU_SIGMATEL_MAX_RX_URBS (IU_MAX_ACTIVE_RX_URBS + USB_IRDA_SIGMATEL_HEADER) +#define USB_IRDA_STIR421X_HEADER 0x03 +#define IU_SIGMATEL_MAX_RX_URBS (IU_MAX_ACTIVE_RX_URBS + \ + USB_IRDA_STIR421X_HEADER) struct irda_class_desc { __u8 bLength; diff --git a/drivers/net/irda/mcs7780.c b/drivers/net/irda/mcs7780.c new file mode 100644 index 000000000000..754297fc8f22 --- /dev/null +++ b/drivers/net/irda/mcs7780.c @@ -0,0 +1,1009 @@ +/***************************************************************************** +* +* Filename: mcs7780.c +* Version: 0.4-alpha +* Description: Irda MosChip USB Dongle Driver +* Authors: Lukasz Stelmach <stlman@poczta.fm> +* Brian Pugh <bpugh@cs.pdx.edu> +* Judy Fischbach <jfisch@cs.pdx.edu> +* +* Based on stir4200 driver, but some things done differently. +* Based on earlier driver by Paul Stewart <stewart@parc.com> +* +* Copyright (C) 2000, Roman Weissgaerber <weissg@vienna.at> +* Copyright (C) 2001, Dag Brattli <dag@brattli.net> +* Copyright (C) 2001, Jean Tourrilhes <jt@hpl.hp.com> +* Copyright (C) 2004, Stephen Hemminger <shemminger@osdl.org> +* Copyright (C) 2005, Lukasz Stelmach <stlman@poczta.fm> +* Copyright (C) 2005, Brian Pugh <bpugh@cs.pdx.edu> +* Copyright (C) 2005, Judy Fischbach <jfisch@cs.pdx.edu> +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +* +*****************************************************************************/ + +/* + * MCS7780 is a simple USB to IrDA bridge by MosChip. It is neither + * compatibile with irda-usb nor with stir4200. Although it is quite + * similar to the later as far as general idea of operation is concerned. + * That is it requires the software to do all the framing job at SIR speeds. + * The hardware does take care of the framing at MIR and FIR speeds. + * It supports all speeds from 2400 through 4Mbps + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/kref.h> +#include <linux/usb.h> +#include <linux/device.h> +#include <linux/crc32.h> + +#include <asm/unaligned.h> +#include <asm/byteorder.h> +#include <asm/uaccess.h> + +#include <net/irda/irda.h> +#include <net/irda/wrapper.h> +#include <net/irda/crc.h> + +#include "mcs7780.h" + +#define MCS_VENDOR_ID 0x9710 +#define MCS_PRODUCT_ID 0x7780 + +static struct usb_device_id mcs_table[] = { + /* MosChip Corp., MCS7780 FIR-USB Adapter */ + {USB_DEVICE(MCS_VENDOR_ID, MCS_PRODUCT_ID)}, + {}, +}; + +MODULE_AUTHOR("Brian Pugh <bpugh@cs.pdx.edu>"); +MODULE_DESCRIPTION("IrDA-USB Dongle Driver for MosChip MCS7780"); +MODULE_VERSION("0.3alpha"); +MODULE_LICENSE("GPL"); + +MODULE_DEVICE_TABLE(usb, mcs_table); + +static int qos_mtt_bits = 0x07 /* > 1ms */ ; +module_param(qos_mtt_bits, int, 0); +MODULE_PARM_DESC(qos_mtt_bits, "Minimum Turn Time"); + +static int receive_mode = 0x1; +module_param(receive_mode, int, 0); +MODULE_PARM_DESC(receive_mode, + "Receive mode of the device (1:fast, 0:slow, default:1)"); + +static int sir_tweak = 1; +module_param(sir_tweak, int, 0444); +MODULE_PARM_DESC(sir_tweak, + "Default pulse width (1:1.6us, 0:3/16 bit, default:1)."); + +static int transceiver_type = MCS_TSC_VISHAY; +module_param(transceiver_type, int, 0444); +MODULE_PARM_DESC(transceiver_type, "IR transceiver type, see mcs7780.h."); + +struct usb_driver mcs_driver = { + .name = "mcs7780", + .probe = mcs_probe, + .disconnect = mcs_disconnect, + .id_table = mcs_table, +}; + +/* speed flag selection by direct addressing. +addr = (speed >> 8) & 0x0f + +0x1 57600 0x2 115200 0x4 1152000 0x5 9600 +0x6 38400 0x9 2400 0xa 576000 0xb 19200 + +4Mbps (or 2400) must be checked separately. Since it also has +to be programmed in a different manner that is not a big problem. +*/ +static __u16 mcs_speed_set[16] = { 0, + MCS_SPEED_57600, + MCS_SPEED_115200, + 0, + MCS_SPEED_1152000, + MCS_SPEED_9600, + MCS_SPEED_38400, + 0, 0, + MCS_SPEED_2400, + MCS_SPEED_576000, + MCS_SPEED_19200, + 0, 0, 0, +}; + +/* Set given 16 bit register with a 16 bit value. Send control message + * to set dongle register. */ +static int mcs_set_reg(struct mcs_cb *mcs, __u16 reg, __u16 val) +{ + struct usb_device *dev = mcs->usbdev; + return usb_control_msg(dev, usb_sndctrlpipe(dev, 0), MCS_WRREQ, + MCS_WR_RTYPE, val, reg, NULL, 0, + msecs_to_jiffies(MCS_CTRL_TIMEOUT)); +} + +/* Get 16 bit register value. Send contol message to read dongle register. */ +static int mcs_get_reg(struct mcs_cb *mcs, __u16 reg, __u16 * val) +{ + struct usb_device *dev = mcs->usbdev; + int ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), MCS_RDREQ, + MCS_RD_RTYPE, 0, reg, val, 2, + msecs_to_jiffies(MCS_CTRL_TIMEOUT)); + + return ret; +} + +/* Setup a communication between mcs7780 and TFDU chips. It is described + * in more detail in the data sheet. The setup sequence puts the the + * vishay tranceiver into high speed mode. It will also receive SIR speed + * packets but at reduced sensitivity. + */ + +/* 0: OK 1:ERROR */ +static inline int mcs_setup_transceiver_vishay(struct mcs_cb *mcs) +{ + int ret = 0; + __u16 rval; + + /* mcs_get_reg should read exactly two bytes from the dongle */ + ret = mcs_get_reg(mcs, MCS_XCVR_REG, &rval); + if (unlikely(ret != 2)) { + ret = -EIO; + goto error; + } + + /* The MCS_XCVR_CONF bit puts the transceiver into configuration + * mode. The MCS_MODE0 bit must start out high (1) and then + * transition to low and the MCS_STFIR and MCS_MODE1 bits must + * be low. + */ + rval |= (MCS_MODE0 | MCS_XCVR_CONF); + rval &= ~MCS_STFIR; + rval &= ~MCS_MODE1; + ret = mcs_set_reg(mcs, MCS_XCVR_REG, rval); + if (unlikely(ret)) + goto error; + + rval &= ~MCS_MODE0; + ret = mcs_set_reg(mcs, MCS_XCVR_REG, rval); + if (unlikely(ret)) + goto error; + + rval &= ~MCS_XCVR_CONF; + ret = mcs_set_reg(mcs, MCS_XCVR_REG, rval); + if (unlikely(ret)) + goto error; + + ret = 0; + error: + return ret; +} + +/* Setup a communication between mcs7780 and agilent chip. */ +static inline int mcs_setup_transceiver_agilent(struct mcs_cb *mcs) +{ + IRDA_WARNING("This transceiver type is not supported yet."); + return 1; +} + +/* Setup a communication between mcs7780 and sharp chip. */ +static inline int mcs_setup_transceiver_sharp(struct mcs_cb *mcs) +{ + IRDA_WARNING("This transceiver type is not supported yet."); + return 1; +} + +/* Common setup for all transceivers */ +static inline int mcs_setup_transceiver(struct mcs_cb *mcs) +{ + int ret = 0; + __u16 rval; + char *msg; + + msg = "Basic transceiver setup error."; + + /* read value of MODE Register, set the DRIVER and RESET bits + * and write value back out to MODE Register + */ + ret = mcs_get_reg(mcs, MCS_MODE_REG, &rval); + if(unlikely(ret != 2)) + goto error; + rval |= MCS_DRIVER; /* put the mcs7780 into configuration mode. */ + ret = mcs_set_reg(mcs, MCS_MODE_REG, rval); + if(unlikely(ret)) + goto error; + + rval = 0; /* set min pulse width to 0 initially. */ + ret = mcs_set_reg(mcs, MCS_MINRXPW_REG, rval); + if(unlikely(ret)) + goto error; + + ret = mcs_get_reg(mcs, MCS_MODE_REG, &rval); + if(unlikely(ret != 2)) + goto error; + + rval &= ~MCS_FIR; /* turn off fir mode. */ + if(mcs->sir_tweak) + rval |= MCS_SIR16US; /* 1.6us pulse width */ + else + rval &= ~MCS_SIR16US; /* 3/16 bit time pulse width */ + + /* make sure ask mode and back to back packets are off. */ + rval &= ~(MCS_BBTG | MCS_ASK); + + rval &= ~MCS_SPEED_MASK; + rval |= MCS_SPEED_9600; /* make sure initial speed is 9600. */ + mcs->speed = 9600; + mcs->new_speed = 0; /* new_speed is set to 0 */ + rval &= ~MCS_PLLPWDN; /* disable power down. */ + + /* make sure device determines direction and that the auto send sip + * pulse are on. + */ + rval |= MCS_DTD | MCS_SIPEN; + + ret = mcs_set_reg(mcs, MCS_MODE_REG, rval); + if(unlikely(ret)) + goto error; + + msg = "transceiver model specific setup error."; + switch (mcs->transceiver_type) { + case MCS_TSC_VISHAY: + ret = mcs_setup_transceiver_vishay(mcs); + break; + + case MCS_TSC_SHARP: + ret = mcs_setup_transceiver_sharp(mcs); + break; + + case MCS_TSC_AGILENT: + ret = mcs_setup_transceiver_agilent(mcs); + break; + + default: + IRDA_WARNING("Unknown transceiver type: %d", + mcs->transceiver_type); + ret = 1; + } + if (unlikely(ret)) + goto error; + + /* If transceiver is not SHARP, then if receive mode set + * on the RXFAST bit in the XCVR Register otherwise unset it + */ + if (mcs->transceiver_type != MCS_TSC_SHARP) { + + ret = mcs_get_reg(mcs, MCS_XCVR_REG, &rval); + if (unlikely(ret != 2)) + goto error; + if (mcs->receive_mode) + rval |= MCS_RXFAST; + else + rval &= ~MCS_RXFAST; + ret = mcs_set_reg(mcs, MCS_XCVR_REG, rval); + if (unlikely(ret)) + goto error; + } + + msg = "transceiver reset."; + + ret = mcs_get_reg(mcs, MCS_MODE_REG, &rval); + if (unlikely(ret != 2)) + goto error; + + /* reset the mcs7780 so all changes take effect. */ + rval &= ~MCS_RESET; + ret = mcs_set_reg(mcs, MCS_MODE_REG, rval); + if (unlikely(ret)) + goto error; + else + return ret; + +error: + IRDA_ERROR("%s", msg); + return ret; +} + +/* Wraps the data in format for SIR */ +static inline int mcs_wrap_sir_skb(struct sk_buff *skb, __u8 * buf) +{ + int wraplen; + + /* 2: full frame length, including "the length" */ + wraplen = async_wrap_skb(skb, buf + 2, 4094); + + wraplen += 2; + buf[0] = wraplen & 0xff; + buf[1] = (wraplen >> 8) & 0xff; + + return wraplen; +} + +/* Wraps the data in format for FIR */ +static unsigned mcs_wrap_fir_skb(const struct sk_buff *skb, __u8 *buf) +{ + unsigned int len = 0; + __u32 fcs = ~(crc32_le(~0, skb->data, skb->len)); + + /* add 2 bytes for length value and 4 bytes for fcs. */ + len = skb->len + 6; + + /* The mcs7780 requires that the first two bytes are the packet + * length in little endian order. Note: the length value includes + * the two bytes for the length value itself. + */ + buf[0] = len & 0xff; + buf[1] = (len >> 8) & 0xff; + /* copy the data into the tx buffer. */ + memcpy(buf+2, skb->data, skb->len); + /* put the fcs in the last four bytes in little endian order. */ + buf[len - 4] = fcs & 0xff; + buf[len - 3] = (fcs >> 8) & 0xff; + buf[len - 2] = (fcs >> 16) & 0xff; + buf[len - 1] = (fcs >> 24) & 0xff; + + return len; +} + +/* Wraps the data in format for MIR */ +static unsigned mcs_wrap_mir_skb(const struct sk_buff *skb, __u8 *buf) +{ + __u16 fcs = 0; + int len = skb->len + 4; + + fcs = ~(irda_calc_crc16(~fcs, skb->data, skb->len)); + /* put the total packet length in first. Note: packet length + * value includes the two bytes that hold the packet length + * itself. + */ + buf[0] = len & 0xff; + buf[1] = (len >> 8) & 0xff; + /* copy the data */ + memcpy(buf+2, skb->data, skb->len); + /* put the fcs in last two bytes in little endian order. */ + buf[len - 2] = fcs & 0xff; + buf[len - 1] = (fcs >> 8) & 0xff; + + return len; +} + +/* Unwrap received packets at MIR speed. A 16 bit crc_ccitt checksum is + * used for the fcs. When performed over the entire packet the result + * should be GOOD_FCS = 0xf0b8. Hands the unwrapped data off to the IrDA + * layer via a sk_buff. + */ +static void mcs_unwrap_mir(struct mcs_cb *mcs, __u8 *buf, int len) +{ + __u16 fcs; + int new_len; + struct sk_buff *skb; + + /* Assume that the frames are going to fill a single packet + * rather than span multiple packets. + */ + + new_len = len - 2; + if(unlikely(new_len <= 0)) { + IRDA_ERROR("%s short frame length %d\n", + mcs->netdev->name, new_len); + ++mcs->stats.rx_errors; + ++mcs->stats.rx_length_errors; + return; + } + fcs = 0; + fcs = irda_calc_crc16(~fcs, buf, len); + + if(fcs != GOOD_FCS) { + IRDA_ERROR("crc error calc 0x%x len %d\n", + fcs, new_len); + mcs->stats.rx_errors++; + mcs->stats.rx_crc_errors++; + return; + } + + skb = dev_alloc_skb(new_len + 1); + if(unlikely(!skb)) { + ++mcs->stats.rx_dropped; + return; + } + + skb_reserve(skb, 1); + memcpy(skb->data, buf, new_len); + skb_put(skb, new_len); + skb->mac.raw = skb->data; + skb->protocol = htons(ETH_P_IRDA); + skb->dev = mcs->netdev; + + netif_rx(skb); + + mcs->stats.rx_packets++; + mcs->stats.rx_bytes += new_len; + + return; +} + +/* Unwrap received packets at FIR speed. A 32 bit crc_ccitt checksum is + * used for the fcs. Hands the unwrapped data off to the IrDA + * layer via a sk_buff. + */ +static void mcs_unwrap_fir(struct mcs_cb *mcs, __u8 *buf, int len) +{ + __u32 fcs; + int new_len; + struct sk_buff *skb; + + /* Assume that the frames are going to fill a single packet + * rather than span multiple packets. This is most likely a false + * assumption. + */ + + new_len = len - 4; + if(unlikely(new_len <= 0)) { + IRDA_ERROR("%s short frame length %d\n", + mcs->netdev->name, new_len); + ++mcs->stats.rx_errors; + ++mcs->stats.rx_length_errors; + return; + } + + fcs = ~(crc32_le(~0, buf, new_len)); + if(fcs != le32_to_cpu(get_unaligned((u32 *)(buf+new_len)))) { + IRDA_ERROR("crc error calc 0x%x len %d\n", fcs, new_len); + mcs->stats.rx_errors++; + mcs->stats.rx_crc_errors++; + return; + } + + skb = dev_alloc_skb(new_len + 1); + if(unlikely(!skb)) { + ++mcs->stats.rx_dropped; + return; + } + + skb_reserve(skb, 1); + memcpy(skb->data, buf, new_len); + skb_put(skb, new_len); + skb->mac.raw = skb->data; + skb->protocol = htons(ETH_P_IRDA); + skb->dev = mcs->netdev; + + netif_rx(skb); + + mcs->stats.rx_packets++; + mcs->stats.rx_bytes += new_len; + + return; +} + + +/* Allocates urbs for both receive and transmit. + * If alloc fails return error code 0 (fail) otherwise + * return error code 1 (success). + */ +static inline int mcs_setup_urbs(struct mcs_cb *mcs) +{ + mcs->rx_urb = NULL; + + mcs->tx_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!mcs->tx_urb) + return 0; + + mcs->rx_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!mcs->rx_urb) + return 0; + + return 1; +} + +/* Sets up state to be initially outside frame, gets receive urb, + * sets status to successful and then submits the urb to start + * receiving the data. + */ +static inline int mcs_receive_start(struct mcs_cb *mcs) +{ + mcs->rx_buff.in_frame = FALSE; + mcs->rx_buff.state = OUTSIDE_FRAME; + + usb_fill_bulk_urb(mcs->rx_urb, mcs->usbdev, + usb_rcvbulkpipe(mcs->usbdev, mcs->ep_in), + mcs->in_buf, 4096, mcs_receive_irq, mcs); + + mcs->rx_urb->status = 0; + return usb_submit_urb(mcs->rx_urb, GFP_KERNEL); +} + +/* Finds the in and out endpoints for the mcs control block */ +static inline int mcs_find_endpoints(struct mcs_cb *mcs, + struct usb_host_endpoint *ep, int epnum) +{ + int i; + int ret = 0; + + /* If no place to store the endpoints just return */ + if (!ep) + return ret; + + /* cycle through all endpoints, find the first two that are DIR_IN */ + for (i = 0; i < epnum; i++) { + if (ep[i].desc.bEndpointAddress & USB_DIR_IN) + mcs->ep_in = ep[i].desc.bEndpointAddress; + else + mcs->ep_out = ep[i].desc.bEndpointAddress; + + /* MosChip says that the chip has only two bulk + * endpoints. Find one for each direction and move on. + */ + if ((mcs->ep_in != 0) && (mcs->ep_out != 0)) { + ret = 1; + break; + } + } + + return ret; +} + +static void mcs_speed_work(void *arg) +{ + struct mcs_cb *mcs = arg; + struct net_device *netdev = mcs->netdev; + + mcs_speed_change(mcs); + netif_wake_queue(netdev); +} + +/* Function to change the speed of the mcs7780. Fully supports SIR, + * MIR, and FIR speeds. + */ +static int mcs_speed_change(struct mcs_cb *mcs) +{ + int ret = 0; + int rst = 0; + int cnt = 0; + __u16 nspeed; + __u16 rval; + + nspeed = mcs_speed_set[(mcs->new_speed >> 8) & 0x0f]; + + do { + mcs_get_reg(mcs, MCS_RESV_REG, &rval); + } while(cnt++ < 100 && (rval & MCS_IRINTX)); + + if(cnt >= 100) { + IRDA_ERROR("unable to change speed"); + ret = -EIO; + goto error; + } + + mcs_get_reg(mcs, MCS_MODE_REG, &rval); + + /* MINRXPW values recomended by MosChip */ + if (mcs->new_speed <= 115200) { + rval &= ~MCS_FIR; + + if ((rst = (mcs->speed > 115200))) + mcs_set_reg(mcs, MCS_MINRXPW_REG, 0); + + } else if (mcs->new_speed <= 1152000) { + rval &= ~MCS_FIR; + + if ((rst = !(mcs->speed == 576000 || mcs->speed == 1152000))) + mcs_set_reg(mcs, MCS_MINRXPW_REG, 5); + + } else { + rval |= MCS_FIR; + + if ((rst = (mcs->speed != 4000000))) + mcs_set_reg(mcs, MCS_MINRXPW_REG, 5); + + } + + rval &= ~MCS_SPEED_MASK; + rval |= nspeed; + + ret = mcs_set_reg(mcs, MCS_MODE_REG, rval); + if (unlikely(ret)) + goto error; + + if (rst) + switch (mcs->transceiver_type) { + case MCS_TSC_VISHAY: + ret = mcs_setup_transceiver_vishay(mcs); + break; + + case MCS_TSC_SHARP: + ret = mcs_setup_transceiver_sharp(mcs); + break; + + case MCS_TSC_AGILENT: + ret = mcs_setup_transceiver_agilent(mcs); + break; + + default: + ret = 1; + IRDA_WARNING("Unknown transceiver type: %d", + mcs->transceiver_type); + } + if (unlikely(ret)) + goto error; + + mcs_get_reg(mcs, MCS_MODE_REG, &rval); + rval &= ~MCS_RESET; + ret = mcs_set_reg(mcs, MCS_MODE_REG, rval); + + mcs->speed = mcs->new_speed; + error: + mcs->new_speed = 0; + return ret; +} + +/* Ioctl calls not supported at this time. Can be an area of future work. */ +static int mcs_net_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) +{ + /* struct if_irda_req *irq = (struct if_irda_req *)rq; */ + /* struct mcs_cb *mcs = netdev_priv(netdev); */ + int ret = 0; + + switch (cmd) { + default: + ret = -EOPNOTSUPP; + } + + return ret; +} + +/* Network device is taken down, done by "ifconfig irda0 down" */ +static int mcs_net_close(struct net_device *netdev) +{ + int ret = 0; + struct mcs_cb *mcs = netdev_priv(netdev); + + /* Stop transmit processing */ + netif_stop_queue(netdev); + + /* kill and free the receive and transmit URBs */ + usb_kill_urb(mcs->rx_urb); + usb_free_urb(mcs->rx_urb); + usb_kill_urb(mcs->tx_urb); + usb_free_urb(mcs->tx_urb); + + /* Stop and remove instance of IrLAP */ + if (mcs->irlap) + irlap_close(mcs->irlap); + + mcs->irlap = NULL; + return ret; +} + +/* Network device is taken up, done by "ifconfig irda0 up" */ +static int mcs_net_open(struct net_device *netdev) +{ + struct mcs_cb *mcs = netdev_priv(netdev); + char hwname[16]; + int ret = 0; + + ret = usb_clear_halt(mcs->usbdev, + usb_sndbulkpipe(mcs->usbdev, mcs->ep_in)); + if (ret) + goto error1; + ret = usb_clear_halt(mcs->usbdev, + usb_rcvbulkpipe(mcs->usbdev, mcs->ep_out)); + if (ret) + goto error1; + + ret = mcs_setup_transceiver(mcs); + if (ret) + goto error1; + + ret = -ENOMEM; + + /* Initialize for SIR/FIR to copy data directly into skb. */ + mcs->receiving = 0; + mcs->rx_buff.truesize = IRDA_SKB_MAX_MTU; + mcs->rx_buff.skb = dev_alloc_skb(IRDA_SKB_MAX_MTU); + if (!mcs->rx_buff.skb) + goto error1; + + skb_reserve(mcs->rx_buff.skb, 1); + mcs->rx_buff.head = mcs->rx_buff.skb->data; + do_gettimeofday(&mcs->rx_time); + + /* + * Now that everything should be initialized properly, + * Open new IrLAP layer instance to take care of us... + * Note : will send immediately a speed change... + */ + sprintf(hwname, "usb#%d", mcs->usbdev->devnum); + mcs->irlap = irlap_open(netdev, &mcs->qos, hwname); + if (!mcs->irlap) { + IRDA_ERROR("mcs7780: irlap_open failed"); + goto error2; + } + + if (!mcs_setup_urbs(mcs)) + goto error3; + + ret = mcs_receive_start(mcs); + if (ret) + goto error3; + + netif_start_queue(netdev); + return 0; + + error3: + irlap_close(mcs->irlap); + error2: + kfree_skb(mcs->rx_buff.skb); + error1: + return ret; +} + + +/* Get device stats for /proc/net/dev and ifconfig */ +static struct net_device_stats *mcs_net_get_stats(struct net_device *netdev) +{ + struct mcs_cb *mcs = netdev_priv(netdev); + return &mcs->stats; +} + +/* Receive callback function. */ +static void mcs_receive_irq(struct urb *urb, struct pt_regs *regs) +{ + __u8 *bytes; + struct mcs_cb *mcs = urb->context; + int i; + int ret; + + if (!netif_running(mcs->netdev)) + return; + + if (urb->status) + return; + + if (urb->actual_length > 0) { + bytes = urb->transfer_buffer; + + /* MCS returns frames without BOF and EOF + * I assume it returns whole frames. + */ + /* SIR speed */ + if(mcs->speed < 576000) { + async_unwrap_char(mcs->netdev, &mcs->stats, + &mcs->rx_buff, 0xc0); + + for (i = 0; i < urb->actual_length; i++) + async_unwrap_char(mcs->netdev, &mcs->stats, + &mcs->rx_buff, bytes[i]); + + async_unwrap_char(mcs->netdev, &mcs->stats, + &mcs->rx_buff, 0xc1); + } + /* MIR speed */ + else if(mcs->speed == 576000 || mcs->speed == 1152000) { + mcs_unwrap_mir(mcs, urb->transfer_buffer, + urb->actual_length); + } + /* FIR speed */ + else { + mcs_unwrap_fir(mcs, urb->transfer_buffer, + urb->actual_length); + } + mcs->netdev->last_rx = jiffies; + do_gettimeofday(&mcs->rx_time); + } + + ret = usb_submit_urb(urb, GFP_ATOMIC); +} + +/* Transmit callback funtion. */ +static void mcs_send_irq(struct urb *urb, struct pt_regs *regs) +{ + struct mcs_cb *mcs = urb->context; + struct net_device *ndev = mcs->netdev; + + if (unlikely(mcs->new_speed)) + schedule_work(&mcs->work); + else + netif_wake_queue(ndev); +} + +/* Transmit callback funtion. */ +static int mcs_hard_xmit(struct sk_buff *skb, struct net_device *ndev) +{ + unsigned long flags; + struct mcs_cb *mcs; + int wraplen; + int ret = 0; + + + if (skb == NULL || ndev == NULL) + return -EINVAL; + + netif_stop_queue(ndev); + mcs = netdev_priv(ndev); + + spin_lock_irqsave(&mcs->lock, flags); + + mcs->new_speed = irda_get_next_speed(skb); + if (likely(mcs->new_speed == mcs->speed)) + mcs->new_speed = 0; + + /* SIR speed */ + if(mcs->speed < 576000) { + wraplen = mcs_wrap_sir_skb(skb, mcs->out_buf); + } + /* MIR speed */ + else if(mcs->speed == 576000 || mcs->speed == 1152000) { + wraplen = mcs_wrap_mir_skb(skb, mcs->out_buf); + } + /* FIR speed */ + else { + wraplen = mcs_wrap_fir_skb(skb, mcs->out_buf); + } + usb_fill_bulk_urb(mcs->tx_urb, mcs->usbdev, + usb_sndbulkpipe(mcs->usbdev, mcs->ep_out), + mcs->out_buf, wraplen, mcs_send_irq, mcs); + + if ((ret = usb_submit_urb(mcs->tx_urb, GFP_ATOMIC))) { + IRDA_ERROR("failed tx_urb: %d", ret); + switch (ret) { + case -ENODEV: + case -EPIPE: + break; + default: + mcs->stats.tx_errors++; + netif_start_queue(ndev); + } + } else { + mcs->stats.tx_packets++; + mcs->stats.tx_bytes += skb->len; + } + + dev_kfree_skb(skb); + spin_unlock_irqrestore(&mcs->lock, flags); + return ret; +} + +/* + * This function is called by the USB subsystem for each new device in the + * system. Need to verify the device and if it is, then start handling it. + */ +static int mcs_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(intf); + struct net_device *ndev = NULL; + struct mcs_cb *mcs; + int ret = -ENOMEM; + + ndev = alloc_irdadev(sizeof(*mcs)); + if (!ndev) + goto error1; + + IRDA_DEBUG(1, "MCS7780 USB-IrDA bridge found at %d.", udev->devnum); + + /* what is it realy for? */ + SET_MODULE_OWNER(ndev); + SET_NETDEV_DEV(ndev, &intf->dev); + + ret = usb_reset_configuration(udev); + if (ret != 0) { + IRDA_ERROR("mcs7780: usb reset configuration failed"); + goto error2; + } + + mcs = netdev_priv(ndev); + mcs->usbdev = udev; + mcs->netdev = ndev; + spin_lock_init(&mcs->lock); + + /* Initialize QoS for this device */ + irda_init_max_qos_capabilies(&mcs->qos); + + /* That's the Rx capability. */ + mcs->qos.baud_rate.bits &= + IR_2400 | IR_9600 | IR_19200 | IR_38400 | IR_57600 | IR_115200 + | IR_576000 | IR_1152000 | (IR_4000000 << 8); + + + mcs->qos.min_turn_time.bits &= qos_mtt_bits; + irda_qos_bits_to_value(&mcs->qos); + + /* Speed change work initialisation*/ + INIT_WORK(&mcs->work, mcs_speed_work, mcs); + + /* Override the network functions we need to use */ + ndev->hard_start_xmit = mcs_hard_xmit; + ndev->open = mcs_net_open; + ndev->stop = mcs_net_close; + ndev->get_stats = mcs_net_get_stats; + ndev->do_ioctl = mcs_net_ioctl; + + if (!intf->cur_altsetting) + goto error2; + + ret = mcs_find_endpoints(mcs, intf->cur_altsetting->endpoint, + intf->cur_altsetting->desc.bNumEndpoints); + if (!ret) { + ret = -ENODEV; + goto error2; + } + + ret = register_netdev(ndev); + if (ret != 0) + goto error2; + + IRDA_DEBUG(1, "IrDA: Registered MosChip MCS7780 device as %s", + ndev->name); + + mcs->transceiver_type = transceiver_type; + mcs->sir_tweak = sir_tweak; + mcs->receive_mode = receive_mode; + + usb_set_intfdata(intf, mcs); + return 0; + + error2: + free_netdev(ndev); + + error1: + return ret; +} + +/* The current device is removed, the USB layer tells us to shut down. */ +static void mcs_disconnect(struct usb_interface *intf) +{ + struct mcs_cb *mcs = usb_get_intfdata(intf); + + if (!mcs) + return; + + flush_scheduled_work(); + + unregister_netdev(mcs->netdev); + free_netdev(mcs->netdev); + + usb_set_intfdata(intf, NULL); + IRDA_DEBUG(0, "MCS7780 now disconnected."); +} + +/* Module insertion */ +static int __init mcs_init(void) +{ + int result; + + /* register this driver with the USB subsystem */ + result = usb_register(&mcs_driver); + if (result) + IRDA_ERROR("usb_register failed. Error number %d", result); + + return result; +} +module_init(mcs_init); + +/* Module removal */ +static void __exit mcs_exit(void) +{ + /* deregister this driver with the USB subsystem */ + usb_deregister(&mcs_driver); +} +module_exit(mcs_exit); + diff --git a/drivers/net/irda/mcs7780.h b/drivers/net/irda/mcs7780.h new file mode 100644 index 000000000000..1a723d725c2a --- /dev/null +++ b/drivers/net/irda/mcs7780.h @@ -0,0 +1,167 @@ +/***************************************************************************** +* +* Filename: mcs7780.h +* Version: 0.2-alpha +* Description: Irda MosChip USB Dongle +* Status: Experimental +* Authors: Lukasz Stelmach <stlman@poczta.fm> +* Brian Pugh <bpugh@cs.pdx.edu> +* +* Copyright (C) 2005, Lukasz Stelmach <stlman@poczta.fm> +* Copyright (C) 2005, Brian Pugh <bpugh@cs.pdx.edu> +* +* This program is free software; you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation; either version 2 of the License, or +* (at your option) any later version. +* +* This program is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +* +*****************************************************************************/ +#ifndef _MCS7780_H +#define _MCS7780_H + +#define MCS_MODE_SIR 0 +#define MCS_MODE_MIR 1 +#define MCS_MODE_FIR 2 + +#define MCS_CTRL_TIMEOUT 500 +#define MCS_XMIT_TIMEOUT 500 +/* Possible transceiver types */ +#define MCS_TSC_VISHAY 0 /* Vishay TFD, default choice */ +#define MCS_TSC_AGILENT 1 /* Agilent 3602/3600 */ +#define MCS_TSC_SHARP 2 /* Sharp GP2W1000YP */ + +/* Requests */ +#define MCS_RD_RTYPE 0xC0 +#define MCS_WR_RTYPE 0x40 +#define MCS_RDREQ 0x0F +#define MCS_WRREQ 0x0E + +/* Register 0x00 */ +#define MCS_MODE_REG 0 +#define MCS_FIR ((__u16)0x0001) +#define MCS_SIR16US ((__u16)0x0002) +#define MCS_BBTG ((__u16)0x0004) +#define MCS_ASK ((__u16)0x0008) +#define MCS_PARITY ((__u16)0x0010) + +/* SIR/MIR speed constants */ +#define MCS_SPEED_SHIFT 5 +#define MCS_SPEED_MASK ((__u16)0x00E0) +#define MCS_SPEED(x) ((x & MCS_SPEED_MASK) >> MCS_SPEED_SHIFT) +#define MCS_SPEED_2400 ((0 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK) +#define MCS_SPEED_9600 ((1 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK) +#define MCS_SPEED_19200 ((2 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK) +#define MCS_SPEED_38400 ((3 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK) +#define MCS_SPEED_57600 ((4 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK) +#define MCS_SPEED_115200 ((5 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK) +#define MCS_SPEED_576000 ((6 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK) +#define MCS_SPEED_1152000 ((7 << MCS_SPEED_SHIFT) & MCS_SPEED_MASK) + +#define MCS_PLLPWDN ((__u16)0x0100) +#define MCS_DRIVER ((__u16)0x0200) +#define MCS_DTD ((__u16)0x0400) +#define MCS_DIR ((__u16)0x0800) +#define MCS_SIPEN ((__u16)0x1000) +#define MCS_SENDSIP ((__u16)0x2000) +#define MCS_CHGDIR ((__u16)0x4000) +#define MCS_RESET ((__u16)0x8000) + +/* Register 0x02 */ +#define MCS_XCVR_REG 2 +#define MCS_MODE0 ((__u16)0x0001) +#define MCS_STFIR ((__u16)0x0002) +#define MCS_XCVR_CONF ((__u16)0x0004) +#define MCS_RXFAST ((__u16)0x0008) +/* TXCUR [6:4] */ +#define MCS_TXCUR_SHIFT 4 +#define MCS_TXCUR_MASK ((__u16)0x0070) +#define MCS_TXCUR(x) ((x & MCS_TXCUR_MASK) >> MCS_TXCUR_SHIFT) +#define MCS_SETTXCUR(x,y) \ + ((x & ~MCS_TXCUR_MASK) | (y << MCS_TXCUR_SHIFT) & MCS_TXCUR_MASK) + +#define MCS_MODE1 ((__u16)0x0080) +#define MCS_SMODE0 ((__u16)0x0100) +#define MCS_SMODE1 ((__u16)0x0200) +#define MCS_INVTX ((__u16)0x0400) +#define MCS_INVRX ((__u16)0x0800) + +#define MCS_MINRXPW_REG 4 + +#define MCS_RESV_REG 7 +#define MCS_IRINTX ((__u16)0x0001) +#define MCS_IRINRX ((__u16)0x0002) + +struct mcs_cb { + struct usb_device *usbdev; /* init: probe_irda */ + struct net_device *netdev; /* network layer */ + struct irlap_cb *irlap; /* The link layer we are binded to */ + struct net_device_stats stats; /* network statistics */ + struct qos_info qos; + unsigned int speed; /* Current speed */ + unsigned int new_speed; /* new speed */ + + struct work_struct work; /* Change speed work */ + + struct sk_buff *tx_pending; + char in_buf[4096]; /* transmit/receive buffer */ + char out_buf[4096]; /* transmit/receive buffer */ + __u8 *fifo_status; + + iobuff_t rx_buff; /* receive unwrap state machine */ + struct timeval rx_time; + spinlock_t lock; + int receiving; + + __u8 ep_in; + __u8 ep_out; + + struct urb *rx_urb; + struct urb *tx_urb; + + int transceiver_type; + int sir_tweak; + int receive_mode; +}; + +static int mcs_set_reg(struct mcs_cb *mcs, __u16 reg, __u16 val); +static int mcs_get_reg(struct mcs_cb *mcs, __u16 reg, __u16 * val); + +static inline int mcs_setup_transceiver_vishay(struct mcs_cb *mcs); +static inline int mcs_setup_transceiver_agilent(struct mcs_cb *mcs); +static inline int mcs_setup_transceiver_sharp(struct mcs_cb *mcs); +static inline int mcs_setup_transceiver(struct mcs_cb *mcs); +static inline int mcs_wrap_sir_skb(struct sk_buff *skb, __u8 * buf); +static unsigned mcs_wrap_fir_skb(const struct sk_buff *skb, __u8 *buf); +static unsigned mcs_wrap_mir_skb(const struct sk_buff *skb, __u8 *buf); +static void mcs_unwrap_mir(struct mcs_cb *mcs, __u8 *buf, int len); +static void mcs_unwrap_fir(struct mcs_cb *mcs, __u8 *buf, int len); +static inline int mcs_setup_urbs(struct mcs_cb *mcs); +static inline int mcs_receive_start(struct mcs_cb *mcs); +static inline int mcs_find_endpoints(struct mcs_cb *mcs, + struct usb_host_endpoint *ep, int epnum); + +static int mcs_speed_change(struct mcs_cb *mcs); + +static int mcs_net_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd); +static int mcs_net_close(struct net_device *netdev); +static int mcs_net_open(struct net_device *netdev); +static struct net_device_stats *mcs_net_get_stats(struct net_device *netdev); + +static void mcs_receive_irq(struct urb *urb, struct pt_regs *regs); +static void mcs_send_irq(struct urb *urb, struct pt_regs *regs); +static int mcs_hard_xmit(struct sk_buff *skb, struct net_device *netdev); + +static int mcs_probe(struct usb_interface *intf, + const struct usb_device_id *id); +static void mcs_disconnect(struct usb_interface *intf); + +#endif /* _MCS7780_H */ diff --git a/drivers/net/irda/stir4200.c b/drivers/net/irda/stir4200.c index 31867e4b891b..d61b208b52a2 100644 --- a/drivers/net/irda/stir4200.c +++ b/drivers/net/irda/stir4200.c @@ -50,6 +50,7 @@ #include <linux/delay.h> #include <linux/usb.h> #include <linux/crc32.h> +#include <linux/kthread.h> #include <net/irda/irda.h> #include <net/irda/irlap.h> #include <net/irda/irda_device.h> @@ -173,9 +174,7 @@ struct stir_cb { struct qos_info qos; unsigned speed; /* Current speed */ - wait_queue_head_t thr_wait; /* transmit thread wakeup */ - struct completion thr_exited; - pid_t thr_pid; + struct task_struct *thread; /* transmit thread */ struct sk_buff *tx_pending; void *io_buf; /* transmit/receive buffer */ @@ -577,7 +576,7 @@ static int stir_hard_xmit(struct sk_buff *skb, struct net_device *netdev) SKB_LINEAR_ASSERT(skb); skb = xchg(&stir->tx_pending, skb); - wake_up(&stir->thr_wait); + wake_up_process(stir->thread); /* this should never happen unless stop/wakeup problem */ if (unlikely(skb)) { @@ -753,13 +752,7 @@ static int stir_transmit_thread(void *arg) struct net_device *dev = stir->netdev; struct sk_buff *skb; - daemonize("%s", dev->name); - allow_signal(SIGTERM); - - while (netif_running(dev) - && netif_device_present(dev) - && !signal_pending(current)) - { + while (!kthread_should_stop()) { #ifdef CONFIG_PM /* if suspending, then power off and wait */ if (unlikely(freezing(current))) { @@ -813,10 +806,11 @@ static int stir_transmit_thread(void *arg) } /* sleep if nothing to send */ - wait_event_interruptible(stir->thr_wait, stir->tx_pending); - } + set_current_state(TASK_INTERRUPTIBLE); + schedule(); - complete_and_exit (&stir->thr_exited, 0); + } + return 0; } @@ -859,7 +853,7 @@ static void stir_rcv_irq(struct urb *urb, struct pt_regs *regs) warn("%s: usb receive submit error: %d", stir->netdev->name, err); stir->receiving = 0; - wake_up(&stir->thr_wait); + wake_up_process(stir->thread); } } @@ -928,10 +922,10 @@ static int stir_net_open(struct net_device *netdev) } /** Start kernel thread for transmit. */ - stir->thr_pid = kernel_thread(stir_transmit_thread, stir, - CLONE_FS|CLONE_FILES); - if (stir->thr_pid < 0) { - err = stir->thr_pid; + stir->thread = kthread_run(stir_transmit_thread, stir, + "%s", stir->netdev->name); + if (IS_ERR(stir->thread)) { + err = PTR_ERR(stir->thread); err("stir4200: unable to start kernel thread"); goto err_out6; } @@ -968,8 +962,7 @@ static int stir_net_close(struct net_device *netdev) netif_stop_queue(netdev); /* Kill transmit thread */ - kill_proc(stir->thr_pid, SIGTERM, 1); - wait_for_completion(&stir->thr_exited); + kthread_stop(stir->thread); kfree(stir->fifo_status); /* Mop up receive urb's */ @@ -1084,9 +1077,6 @@ static int stir_probe(struct usb_interface *intf, stir->qos.min_turn_time.bits &= qos_mtt_bits; irda_qos_bits_to_value(&stir->qos); - init_completion (&stir->thr_exited); - init_waitqueue_head (&stir->thr_wait); - /* Override the network functions we need to use */ net->hard_start_xmit = stir_hard_xmit; net->open = stir_net_open; diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c index 97a49e0be76b..d70b9e8d6e60 100644 --- a/drivers/net/irda/vlsi_ir.c +++ b/drivers/net/irda/vlsi_ir.c @@ -959,7 +959,7 @@ static int vlsi_hard_start_xmit(struct sk_buff *skb, struct net_device *ndev) || (now.tv_sec==ready.tv_sec && now.tv_usec>=ready.tv_usec)) break; udelay(100); - /* must not sleep here - we are called under xmit_lock! */ + /* must not sleep here - called under netif_tx_lock! */ } } diff --git a/drivers/net/ixgb/Makefile b/drivers/net/ixgb/Makefile index 7c7aff1ea7d5..a8a2d3d03567 100644 --- a/drivers/net/ixgb/Makefile +++ b/drivers/net/ixgb/Makefile @@ -1,7 +1,7 @@ ################################################################################ # # -# Copyright(c) 1999 - 2002 Intel Corporation. All rights reserved. +# Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. # # This program is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the Free diff --git a/drivers/net/ixgb/ixgb.h b/drivers/net/ixgb/ixgb.h index c83271b38621..a83ef28dadb0 100644 --- a/drivers/net/ixgb/ixgb.h +++ b/drivers/net/ixgb/ixgb.h @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -84,7 +84,12 @@ struct ixgb_adapter; #define IXGB_DBG(args...) #endif -#define IXGB_ERR(args...) printk(KERN_ERR "ixgb: " args) +#define PFX "ixgb: " +#define DPRINTK(nlevel, klevel, fmt, args...) \ + (void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \ + printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \ + __FUNCTION__ , ## args)) + /* TX/RX descriptor defines */ #define DEFAULT_TXD 256 @@ -175,6 +180,7 @@ struct ixgb_adapter { uint64_t hw_csum_tx_good; uint64_t hw_csum_tx_error; uint32_t tx_int_delay; + uint32_t tx_timeout_count; boolean_t tx_int_delay_enable; boolean_t detect_tx_hung; @@ -192,7 +198,9 @@ struct ixgb_adapter { /* structs defined in ixgb_hw.h */ struct ixgb_hw hw; + u16 msg_enable; struct ixgb_hw_stats stats; + uint32_t alloc_rx_buff_failed; #ifdef CONFIG_PCI_MSI boolean_t have_msi; #endif diff --git a/drivers/net/ixgb/ixgb_ee.c b/drivers/net/ixgb/ixgb_ee.c index 661a46b95a61..8357c5590bfb 100644 --- a/drivers/net/ixgb/ixgb_ee.c +++ b/drivers/net/ixgb/ixgb_ee.c @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free diff --git a/drivers/net/ixgb/ixgb_ee.h b/drivers/net/ixgb/ixgb_ee.h index 5190aa8761a2..bf6fa220f38e 100644 --- a/drivers/net/ixgb/ixgb_ee.h +++ b/drivers/net/ixgb/ixgb_ee.h @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c index d38ade5f2f4e..cf19b898ba9b 100644 --- a/drivers/net/ixgb/ixgb_ethtool.c +++ b/drivers/net/ixgb/ixgb_ethtool.c @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -44,6 +44,8 @@ extern void ixgb_free_rx_resources(struct ixgb_adapter *adapter); extern void ixgb_free_tx_resources(struct ixgb_adapter *adapter); extern void ixgb_update_stats(struct ixgb_adapter *adapter); +#define IXGB_ALL_RAR_ENTRIES 16 + struct ixgb_stats { char stat_string[ETH_GSTRING_LEN]; int sizeof_stat; @@ -76,6 +78,7 @@ static struct ixgb_stats ixgb_gstrings_stats[] = { {"tx_heartbeat_errors", IXGB_STAT(net_stats.tx_heartbeat_errors)}, {"tx_window_errors", IXGB_STAT(net_stats.tx_window_errors)}, {"tx_deferred_ok", IXGB_STAT(stats.dc)}, + {"tx_timeout_count", IXGB_STAT(tx_timeout_count) }, {"rx_long_length_errors", IXGB_STAT(stats.roc)}, {"rx_short_length_errors", IXGB_STAT(stats.ruc)}, #ifdef NETIF_F_TSO @@ -117,6 +120,16 @@ ixgb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) return 0; } +static void ixgb_set_speed_duplex(struct net_device *netdev) +{ + struct ixgb_adapter *adapter = netdev_priv(netdev); + /* be optimistic about our link, since we were up before */ + adapter->link_speed = 10000; + adapter->link_duplex = FULL_DUPLEX; + netif_carrier_on(netdev); + netif_wake_queue(netdev); +} + static int ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) { @@ -130,12 +143,7 @@ ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) ixgb_down(adapter, TRUE); ixgb_reset(adapter); ixgb_up(adapter); - /* be optimistic about our link, since we were up before */ - adapter->link_speed = 10000; - adapter->link_duplex = FULL_DUPLEX; - netif_carrier_on(netdev); - netif_wake_queue(netdev); - + ixgb_set_speed_duplex(netdev); } else ixgb_reset(adapter); @@ -183,11 +191,7 @@ ixgb_set_pauseparam(struct net_device *netdev, if(netif_running(adapter->netdev)) { ixgb_down(adapter, TRUE); ixgb_up(adapter); - /* be optimistic about our link, since we were up before */ - adapter->link_speed = 10000; - adapter->link_duplex = FULL_DUPLEX; - netif_carrier_on(netdev); - netif_wake_queue(netdev); + ixgb_set_speed_duplex(netdev); } else ixgb_reset(adapter); @@ -212,11 +216,7 @@ ixgb_set_rx_csum(struct net_device *netdev, uint32_t data) if(netif_running(netdev)) { ixgb_down(adapter,TRUE); ixgb_up(adapter); - /* be optimistic about our link, since we were up before */ - adapter->link_speed = 10000; - adapter->link_duplex = FULL_DUPLEX; - netif_carrier_on(netdev); - netif_wake_queue(netdev); + ixgb_set_speed_duplex(netdev); } else ixgb_reset(adapter); return 0; @@ -251,6 +251,19 @@ ixgb_set_tso(struct net_device *netdev, uint32_t data) } #endif /* NETIF_F_TSO */ +static uint32_t +ixgb_get_msglevel(struct net_device *netdev) +{ + struct ixgb_adapter *adapter = netdev_priv(netdev); + return adapter->msg_enable; +} + +static void +ixgb_set_msglevel(struct net_device *netdev, uint32_t data) +{ + struct ixgb_adapter *adapter = netdev_priv(netdev); + adapter->msg_enable = data; +} #define IXGB_GET_STAT(_A_, _R_) _A_->stats._R_ static int @@ -303,7 +316,7 @@ ixgb_get_regs(struct net_device *netdev, *reg++ = IXGB_READ_REG(hw, RXCSUM); /* 20 */ /* there are 16 RAR entries in hardware, we only use 3 */ - for(i = 0; i < 16; i++) { + for(i = 0; i < IXGB_ALL_RAR_ENTRIES; i++) { *reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */ *reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */ } @@ -593,11 +606,7 @@ ixgb_set_ringparam(struct net_device *netdev, adapter->tx_ring = tx_new; if((err = ixgb_up(adapter))) return err; - /* be optimistic about our link, since we were up before */ - adapter->link_speed = 10000; - adapter->link_duplex = FULL_DUPLEX; - netif_carrier_on(netdev); - netif_wake_queue(netdev); + ixgb_set_speed_duplex(netdev); } return 0; @@ -714,6 +723,8 @@ static struct ethtool_ops ixgb_ethtool_ops = { .set_tx_csum = ixgb_set_tx_csum, .get_sg = ethtool_op_get_sg, .set_sg = ethtool_op_set_sg, + .get_msglevel = ixgb_get_msglevel, + .set_msglevel = ixgb_set_msglevel, #ifdef NETIF_F_TSO .get_tso = ethtool_op_get_tso, .set_tso = ixgb_set_tso, diff --git a/drivers/net/ixgb/ixgb_hw.c b/drivers/net/ixgb/ixgb_hw.c index 620cad48bdea..f7fa10e47fa2 100644 --- a/drivers/net/ixgb/ixgb_hw.c +++ b/drivers/net/ixgb/ixgb_hw.c @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free diff --git a/drivers/net/ixgb/ixgb_hw.h b/drivers/net/ixgb/ixgb_hw.h index 382c6300ccc2..cb4568915ada 100644 --- a/drivers/net/ixgb/ixgb_hw.h +++ b/drivers/net/ixgb/ixgb_hw.h @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -57,6 +57,7 @@ typedef enum { typedef enum { ixgb_media_type_unknown = 0, ixgb_media_type_fiber = 1, + ixgb_media_type_copper = 2, ixgb_num_media_types } ixgb_media_type; diff --git a/drivers/net/ixgb/ixgb_ids.h b/drivers/net/ixgb/ixgb_ids.h index aee207eaa287..40a085f94c7b 100644 --- a/drivers/net/ixgb/ixgb_ids.h +++ b/drivers/net/ixgb/ixgb_ids.h @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -43,6 +43,8 @@ #define IXGB_SUBDEVICE_ID_A11F 0xA11F #define IXGB_SUBDEVICE_ID_A01F 0xA01F -#endif /* #ifndef _IXGB_IDS_H_ */ +#define IXGB_DEVICE_ID_82597EX_CX4 0x109E +#define IXGB_SUBDEVICE_ID_A00C 0xA00C +#endif /* #ifndef _IXGB_IDS_H_ */ /* End of File */ diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c index cfd67d812f0d..57006fb8840e 100644 --- a/drivers/net/ixgb/ixgb_main.c +++ b/drivers/net/ixgb/ixgb_main.c @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -28,22 +28,6 @@ #include "ixgb.h" -/* Change Log - * 1.0.96 04/19/05 - * - Make needlessly global code static -- bunk@stusta.de - * - ethtool cleanup -- shemminger@osdl.org - * - Support for MODULE_VERSION -- linville@tuxdriver.com - * - add skb_header_cloned check to the tso path -- herbert@apana.org.au - * 1.0.88 01/05/05 - * - include fix to the condition that determines when to quit NAPI - Robert Olsson - * - use netif_poll_{disable/enable} to synchronize between NAPI and i/f up/down - * 1.0.84 10/26/04 - * - reset buffer_info->dma in Tx resource cleanup logic - * 1.0.83 10/12/04 - * - sparse cleanup - shemminger@osdl.org - * - fix tx resource cleanup logic - */ - char ixgb_driver_name[] = "ixgb"; static char ixgb_driver_string[] = "Intel(R) PRO/10GbE Network Driver"; @@ -52,9 +36,9 @@ static char ixgb_driver_string[] = "Intel(R) PRO/10GbE Network Driver"; #else #define DRIVERNAPI "-NAPI" #endif -#define DRV_VERSION "1.0.100-k2"DRIVERNAPI +#define DRV_VERSION "1.0.109-k2"DRIVERNAPI char ixgb_driver_version[] = DRV_VERSION; -static char ixgb_copyright[] = "Copyright (c) 1999-2005 Intel Corporation."; +static char ixgb_copyright[] = "Copyright (c) 1999-2006 Intel Corporation."; /* ixgb_pci_tbl - PCI Device ID Table * @@ -67,6 +51,8 @@ static char ixgb_copyright[] = "Copyright (c) 1999-2005 Intel Corporation."; static struct pci_device_id ixgb_pci_tbl[] = { {INTEL_VENDOR_ID, IXGB_DEVICE_ID_82597EX, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {INTEL_VENDOR_ID, IXGB_DEVICE_ID_82597EX_CX4, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {INTEL_VENDOR_ID, IXGB_DEVICE_ID_82597EX_SR, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {INTEL_VENDOR_ID, IXGB_DEVICE_ID_82597EX_LR, @@ -148,6 +134,11 @@ MODULE_DESCRIPTION("Intel(R) PRO/10GbE Network Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); +#define DEFAULT_DEBUG_LEVEL_SHIFT 3 +static int debug = DEFAULT_DEBUG_LEVEL_SHIFT; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); + /* some defines for controlling descriptor fetches in h/w */ #define RXDCTL_WTHRESH_DEFAULT 16 /* chip writes back at this many or RXT0 */ #define RXDCTL_PTHRESH_DEFAULT 0 /* chip considers prefech below @@ -196,7 +187,7 @@ module_exit(ixgb_exit_module); * @adapter: board private structure **/ -static inline void +static void ixgb_irq_disable(struct ixgb_adapter *adapter) { atomic_inc(&adapter->irq_sem); @@ -210,7 +201,7 @@ ixgb_irq_disable(struct ixgb_adapter *adapter) * @adapter: board private structure **/ -static inline void +static void ixgb_irq_enable(struct ixgb_adapter *adapter) { if(atomic_dec_and_test(&adapter->irq_sem)) { @@ -231,6 +222,7 @@ ixgb_up(struct ixgb_adapter *adapter) /* hardware has been reset, we need to reload some things */ + ixgb_rar_set(hw, netdev->dev_addr, 0); ixgb_set_multi(netdev); ixgb_restore_vlan(adapter); @@ -240,6 +232,9 @@ ixgb_up(struct ixgb_adapter *adapter) ixgb_configure_rx(adapter); ixgb_alloc_rx_buffers(adapter); + /* disable interrupts and get the hardware into a known state */ + IXGB_WRITE_REG(&adapter->hw, IMC, 0xffffffff); + #ifdef CONFIG_PCI_MSI { boolean_t pcix = (IXGB_READ_REG(&adapter->hw, STATUS) & @@ -249,7 +244,7 @@ ixgb_up(struct ixgb_adapter *adapter) if (!pcix) adapter->have_msi = FALSE; else if((err = pci_enable_msi(adapter->pdev))) { - printk (KERN_ERR + DPRINTK(PROBE, ERR, "Unable to allocate MSI interrupt Error: %d\n", err); adapter->have_msi = FALSE; /* proceed to try to request regular interrupt */ @@ -259,11 +254,11 @@ ixgb_up(struct ixgb_adapter *adapter) #endif if((err = request_irq(adapter->pdev->irq, &ixgb_intr, SA_SHIRQ | SA_SAMPLE_RANDOM, - netdev->name, netdev))) + netdev->name, netdev))) { + DPRINTK(PROBE, ERR, + "Unable to allocate interrupt Error: %d\n", err); return err; - - /* disable interrupts and get the hardware into a known state */ - IXGB_WRITE_REG(&adapter->hw, IMC, 0xffffffff); + } if((hw->max_frame_size != max_frame) || (hw->max_frame_size != @@ -285,11 +280,12 @@ ixgb_up(struct ixgb_adapter *adapter) } mod_timer(&adapter->watchdog_timer, jiffies); - ixgb_irq_enable(adapter); #ifdef CONFIG_IXGB_NAPI netif_poll_enable(netdev); #endif + ixgb_irq_enable(adapter); + return 0; } @@ -326,7 +322,7 @@ ixgb_reset(struct ixgb_adapter *adapter) ixgb_adapter_stop(&adapter->hw); if(!ixgb_init_hw(&adapter->hw)) - IXGB_DBG("ixgb_init_hw failed.\n"); + DPRINTK(PROBE, ERR, "ixgb_init_hw failed.\n"); } /** @@ -363,7 +359,8 @@ ixgb_probe(struct pci_dev *pdev, } else { if((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) || (err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))) { - IXGB_ERR("No usable DMA configuration, aborting\n"); + printk(KERN_ERR + "ixgb: No usable DMA configuration, aborting\n"); goto err_dma_mask; } pci_using_dac = 0; @@ -388,6 +385,7 @@ ixgb_probe(struct pci_dev *pdev, adapter->netdev = netdev; adapter->pdev = pdev; adapter->hw.back = adapter; + adapter->msg_enable = netif_msg_init(debug, DEFAULT_DEBUG_LEVEL_SHIFT); mmio_start = pci_resource_start(pdev, BAR_0); mmio_len = pci_resource_len(pdev, BAR_0); @@ -416,7 +414,7 @@ ixgb_probe(struct pci_dev *pdev, netdev->change_mtu = &ixgb_change_mtu; ixgb_set_ethtool_ops(netdev); netdev->tx_timeout = &ixgb_tx_timeout; - netdev->watchdog_timeo = HZ; + netdev->watchdog_timeo = 5 * HZ; #ifdef CONFIG_IXGB_NAPI netdev->poll = &ixgb_clean; netdev->weight = 64; @@ -428,6 +426,7 @@ ixgb_probe(struct pci_dev *pdev, netdev->poll_controller = ixgb_netpoll; #endif + strcpy(netdev->name, pci_name(pdev)); netdev->mem_start = mmio_start; netdev->mem_end = mmio_start + mmio_len; netdev->base_addr = adapter->hw.io_base; @@ -449,6 +448,9 @@ ixgb_probe(struct pci_dev *pdev, #ifdef NETIF_F_TSO netdev->features |= NETIF_F_TSO; #endif +#ifdef NETIF_F_LLTX + netdev->features |= NETIF_F_LLTX; +#endif if(pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; @@ -456,7 +458,7 @@ ixgb_probe(struct pci_dev *pdev, /* make sure the EEPROM is good */ if(!ixgb_validate_eeprom_checksum(&adapter->hw)) { - printk(KERN_ERR "The EEPROM Checksum Is Not Valid\n"); + DPRINTK(PROBE, ERR, "The EEPROM Checksum Is Not Valid\n"); err = -EIO; goto err_eeprom; } @@ -465,6 +467,7 @@ ixgb_probe(struct pci_dev *pdev, memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len); if(!is_valid_ether_addr(netdev->perm_addr)) { + DPRINTK(PROBE, ERR, "Invalid MAC Address\n"); err = -EIO; goto err_eeprom; } @@ -478,6 +481,7 @@ ixgb_probe(struct pci_dev *pdev, INIT_WORK(&adapter->tx_timeout_task, (void (*)(void *))ixgb_tx_timeout_task, netdev); + strcpy(netdev->name, "eth%d"); if((err = register_netdev(netdev))) goto err_register; @@ -486,8 +490,7 @@ ixgb_probe(struct pci_dev *pdev, netif_carrier_off(netdev); netif_stop_queue(netdev); - printk(KERN_INFO "%s: Intel(R) PRO/10GbE Network Connection\n", - netdev->name); + DPRINTK(PROBE, INFO, "Intel(R) PRO/10GbE Network Connection\n"); ixgb_check_options(adapter); /* reset the hardware with the new settings */ @@ -557,17 +560,17 @@ ixgb_sw_init(struct ixgb_adapter *adapter) hw->subsystem_vendor_id = pdev->subsystem_vendor; hw->subsystem_id = pdev->subsystem_device; - adapter->rx_buffer_len = IXGB_RXBUFFER_2048; - hw->max_frame_size = netdev->mtu + ENET_HEADER_SIZE + ENET_FCS_LENGTH; + adapter->rx_buffer_len = hw->max_frame_size; if((hw->device_id == IXGB_DEVICE_ID_82597EX) - ||(hw->device_id == IXGB_DEVICE_ID_82597EX_LR) - ||(hw->device_id == IXGB_DEVICE_ID_82597EX_SR)) + || (hw->device_id == IXGB_DEVICE_ID_82597EX_CX4) + || (hw->device_id == IXGB_DEVICE_ID_82597EX_LR) + || (hw->device_id == IXGB_DEVICE_ID_82597EX_SR)) hw->mac_type = ixgb_82597; else { /* should never have loaded on this device */ - printk(KERN_ERR "ixgb: unsupported device id\n"); + DPRINTK(PROBE, ERR, "unsupported device id\n"); } /* enable flow control to be programmed */ @@ -665,6 +668,8 @@ ixgb_setup_tx_resources(struct ixgb_adapter *adapter) size = sizeof(struct ixgb_buffer) * txdr->count; txdr->buffer_info = vmalloc(size); if(!txdr->buffer_info) { + DPRINTK(PROBE, ERR, + "Unable to allocate transmit descriptor ring memory\n"); return -ENOMEM; } memset(txdr->buffer_info, 0, size); @@ -677,6 +682,8 @@ ixgb_setup_tx_resources(struct ixgb_adapter *adapter) txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma); if(!txdr->desc) { vfree(txdr->buffer_info); + DPRINTK(PROBE, ERR, + "Unable to allocate transmit descriptor memory\n"); return -ENOMEM; } memset(txdr->desc, 0, txdr->size); @@ -750,6 +757,8 @@ ixgb_setup_rx_resources(struct ixgb_adapter *adapter) size = sizeof(struct ixgb_buffer) * rxdr->count; rxdr->buffer_info = vmalloc(size); if(!rxdr->buffer_info) { + DPRINTK(PROBE, ERR, + "Unable to allocate receive descriptor ring\n"); return -ENOMEM; } memset(rxdr->buffer_info, 0, size); @@ -763,6 +772,8 @@ ixgb_setup_rx_resources(struct ixgb_adapter *adapter) if(!rxdr->desc) { vfree(rxdr->buffer_info); + DPRINTK(PROBE, ERR, + "Unable to allocate receive descriptors\n"); return -ENOMEM; } memset(rxdr->desc, 0, rxdr->size); @@ -794,21 +805,14 @@ ixgb_setup_rctl(struct ixgb_adapter *adapter) rctl |= IXGB_RCTL_SECRC; - switch (adapter->rx_buffer_len) { - case IXGB_RXBUFFER_2048: - default: + if (adapter->rx_buffer_len <= IXGB_RXBUFFER_2048) rctl |= IXGB_RCTL_BSIZE_2048; - break; - case IXGB_RXBUFFER_4096: + else if (adapter->rx_buffer_len <= IXGB_RXBUFFER_4096) rctl |= IXGB_RCTL_BSIZE_4096; - break; - case IXGB_RXBUFFER_8192: + else if (adapter->rx_buffer_len <= IXGB_RXBUFFER_8192) rctl |= IXGB_RCTL_BSIZE_8192; - break; - case IXGB_RXBUFFER_16384: + else if (adapter->rx_buffer_len <= IXGB_RXBUFFER_16384) rctl |= IXGB_RCTL_BSIZE_16384; - break; - } IXGB_WRITE_REG(&adapter->hw, RCTL, rctl); } @@ -898,22 +902,25 @@ ixgb_free_tx_resources(struct ixgb_adapter *adapter) adapter->tx_ring.desc = NULL; } -static inline void +static void ixgb_unmap_and_free_tx_resource(struct ixgb_adapter *adapter, struct ixgb_buffer *buffer_info) { struct pci_dev *pdev = adapter->pdev; - if(buffer_info->dma) { - pci_unmap_page(pdev, - buffer_info->dma, - buffer_info->length, - PCI_DMA_TODEVICE); - buffer_info->dma = 0; - } - if(buffer_info->skb) { + + if (buffer_info->dma) + pci_unmap_page(pdev, buffer_info->dma, buffer_info->length, + PCI_DMA_TODEVICE); + + if (buffer_info->skb) dev_kfree_skb_any(buffer_info->skb); - buffer_info->skb = NULL; - } + + buffer_info->skb = NULL; + buffer_info->dma = 0; + buffer_info->time_stamp = 0; + /* these fields must always be initialized in tx + * buffer_info->length = 0; + * buffer_info->next_to_watch = 0; */ } /** @@ -1112,8 +1119,8 @@ ixgb_watchdog(unsigned long data) if(adapter->hw.link_up) { if(!netif_carrier_ok(netdev)) { - printk(KERN_INFO "ixgb: %s NIC Link is Up %d Mbps %s\n", - netdev->name, 10000, "Full Duplex"); + DPRINTK(LINK, INFO, + "NIC Link is Up 10000 Mbps Full Duplex\n"); adapter->link_speed = 10000; adapter->link_duplex = FULL_DUPLEX; netif_carrier_on(netdev); @@ -1123,9 +1130,7 @@ ixgb_watchdog(unsigned long data) if(netif_carrier_ok(netdev)) { adapter->link_speed = 0; adapter->link_duplex = 0; - printk(KERN_INFO - "ixgb: %s NIC Link is Down\n", - netdev->name); + DPRINTK(LINK, INFO, "NIC Link is Down\n"); netif_carrier_off(netdev); netif_stop_queue(netdev); @@ -1158,7 +1163,7 @@ ixgb_watchdog(unsigned long data) #define IXGB_TX_FLAGS_VLAN 0x00000002 #define IXGB_TX_FLAGS_TSO 0x00000004 -static inline int +static int ixgb_tso(struct ixgb_adapter *adapter, struct sk_buff *skb) { #ifdef NETIF_F_TSO @@ -1220,7 +1225,7 @@ ixgb_tso(struct ixgb_adapter *adapter, struct sk_buff *skb) return 0; } -static inline boolean_t +static boolean_t ixgb_tx_csum(struct ixgb_adapter *adapter, struct sk_buff *skb) { struct ixgb_context_desc *context_desc; @@ -1258,7 +1263,7 @@ ixgb_tx_csum(struct ixgb_adapter *adapter, struct sk_buff *skb) #define IXGB_MAX_TXD_PWR 14 #define IXGB_MAX_DATA_PER_TXD (1<<IXGB_MAX_TXD_PWR) -static inline int +static int ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb, unsigned int first) { @@ -1284,6 +1289,7 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb, size, PCI_DMA_TODEVICE); buffer_info->time_stamp = jiffies; + buffer_info->next_to_watch = 0; len -= size; offset += size; @@ -1309,6 +1315,7 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb, size, PCI_DMA_TODEVICE); buffer_info->time_stamp = jiffies; + buffer_info->next_to_watch = 0; len -= size; offset += size; @@ -1323,7 +1330,7 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb, return count; } -static inline void +static void ixgb_tx_queue(struct ixgb_adapter *adapter, int count, int vlan_id,int tx_flags) { struct ixgb_desc_ring *tx_ring = &adapter->tx_ring; @@ -1395,13 +1402,26 @@ ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev) return 0; } +#ifdef NETIF_F_LLTX + local_irq_save(flags); + if (!spin_trylock(&adapter->tx_lock)) { + /* Collision - tell upper layer to requeue */ + local_irq_restore(flags); + return NETDEV_TX_LOCKED; + } +#else spin_lock_irqsave(&adapter->tx_lock, flags); +#endif + if(unlikely(IXGB_DESC_UNUSED(&adapter->tx_ring) < DESC_NEEDED)) { netif_stop_queue(netdev); spin_unlock_irqrestore(&adapter->tx_lock, flags); - return 1; + return NETDEV_TX_BUSY; } + +#ifndef NETIF_F_LLTX spin_unlock_irqrestore(&adapter->tx_lock, flags); +#endif if(adapter->vlgrp && vlan_tx_tag_present(skb)) { tx_flags |= IXGB_TX_FLAGS_VLAN; @@ -1413,10 +1433,13 @@ ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev) tso = ixgb_tso(adapter, skb); if (tso < 0) { dev_kfree_skb_any(skb); +#ifdef NETIF_F_LLTX + spin_unlock_irqrestore(&adapter->tx_lock, flags); +#endif return NETDEV_TX_OK; } - if (tso) + if (likely(tso)) tx_flags |= IXGB_TX_FLAGS_TSO; else if(ixgb_tx_csum(adapter, skb)) tx_flags |= IXGB_TX_FLAGS_CSUM; @@ -1426,7 +1449,15 @@ ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev) netdev->trans_start = jiffies; - return 0; +#ifdef NETIF_F_LLTX + /* Make sure there is space in the ring for the next send. */ + if(unlikely(IXGB_DESC_UNUSED(&adapter->tx_ring) < DESC_NEEDED)) + netif_stop_queue(netdev); + + spin_unlock_irqrestore(&adapter->tx_lock, flags); + +#endif + return NETDEV_TX_OK; } /** @@ -1448,6 +1479,7 @@ ixgb_tx_timeout_task(struct net_device *netdev) { struct ixgb_adapter *adapter = netdev_priv(netdev); + adapter->tx_timeout_count++; ixgb_down(adapter, TRUE); ixgb_up(adapter); } @@ -1486,28 +1518,15 @@ ixgb_change_mtu(struct net_device *netdev, int new_mtu) if((max_frame < IXGB_MIN_ENET_FRAME_SIZE_WITHOUT_FCS + ENET_FCS_LENGTH) || (max_frame > IXGB_MAX_JUMBO_FRAME_SIZE + ENET_FCS_LENGTH)) { - IXGB_ERR("Invalid MTU setting\n"); + DPRINTK(PROBE, ERR, "Invalid MTU setting %d\n", new_mtu); return -EINVAL; } - if((max_frame <= IXGB_MAX_ENET_FRAME_SIZE_WITHOUT_FCS + ENET_FCS_LENGTH) - || (max_frame <= IXGB_RXBUFFER_2048)) { - adapter->rx_buffer_len = IXGB_RXBUFFER_2048; - - } else if(max_frame <= IXGB_RXBUFFER_4096) { - adapter->rx_buffer_len = IXGB_RXBUFFER_4096; - - } else if(max_frame <= IXGB_RXBUFFER_8192) { - adapter->rx_buffer_len = IXGB_RXBUFFER_8192; - - } else { - adapter->rx_buffer_len = IXGB_RXBUFFER_16384; - } + adapter->rx_buffer_len = max_frame; netdev->mtu = new_mtu; - if(old_max_frame != max_frame && netif_running(netdev)) { - + if ((old_max_frame != max_frame) && netif_running(netdev)) { ixgb_down(adapter, TRUE); ixgb_up(adapter); } @@ -1765,23 +1784,43 @@ ixgb_clean_tx_irq(struct ixgb_adapter *adapter) tx_ring->next_to_clean = i; - spin_lock(&adapter->tx_lock); - if(cleaned && netif_queue_stopped(netdev) && netif_carrier_ok(netdev) && - (IXGB_DESC_UNUSED(tx_ring) > IXGB_TX_QUEUE_WAKE)) { - - netif_wake_queue(netdev); + if (unlikely(netif_queue_stopped(netdev))) { + spin_lock(&adapter->tx_lock); + if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev) && + (IXGB_DESC_UNUSED(tx_ring) > IXGB_TX_QUEUE_WAKE)) + netif_wake_queue(netdev); + spin_unlock(&adapter->tx_lock); } - spin_unlock(&adapter->tx_lock); if(adapter->detect_tx_hung) { /* detect a transmit hang in hardware, this serializes the * check with the clearing of time_stamp and movement of i */ adapter->detect_tx_hung = FALSE; - if(tx_ring->buffer_info[i].dma && - time_after(jiffies, tx_ring->buffer_info[i].time_stamp + HZ) + if (tx_ring->buffer_info[eop].dma && + time_after(jiffies, tx_ring->buffer_info[eop].time_stamp + HZ) && !(IXGB_READ_REG(&adapter->hw, STATUS) & - IXGB_STATUS_TXOFF)) + IXGB_STATUS_TXOFF)) { + /* detected Tx unit hang */ + DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n" + " TDH <%x>\n" + " TDT <%x>\n" + " next_to_use <%x>\n" + " next_to_clean <%x>\n" + "buffer_info[next_to_clean]\n" + " time_stamp <%lx>\n" + " next_to_watch <%x>\n" + " jiffies <%lx>\n" + " next_to_watch.status <%x>\n", + IXGB_READ_REG(&adapter->hw, TDH), + IXGB_READ_REG(&adapter->hw, TDT), + tx_ring->next_to_use, + tx_ring->next_to_clean, + tx_ring->buffer_info[eop].time_stamp, + eop, + jiffies, + eop_desc->status); netif_stop_queue(netdev); + } } return cleaned; @@ -1794,7 +1833,7 @@ ixgb_clean_tx_irq(struct ixgb_adapter *adapter) * @sk_buff: socket buffer with received data **/ -static inline void +static void ixgb_rx_checksum(struct ixgb_adapter *adapter, struct ixgb_rx_desc *rx_desc, struct sk_buff *skb) @@ -1858,6 +1897,7 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter) #endif status = rx_desc->status; skb = buffer_info->skb; + buffer_info->skb = NULL; prefetch(skb->data); @@ -1902,6 +1942,26 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter) goto rxdesc_done; } + /* code added for copybreak, this should improve + * performance for small packets with large amounts + * of reassembly being done in the stack */ +#define IXGB_CB_LENGTH 256 + if (length < IXGB_CB_LENGTH) { + struct sk_buff *new_skb = + dev_alloc_skb(length + NET_IP_ALIGN); + if (new_skb) { + skb_reserve(new_skb, NET_IP_ALIGN); + new_skb->dev = netdev; + memcpy(new_skb->data - NET_IP_ALIGN, + skb->data - NET_IP_ALIGN, + length + NET_IP_ALIGN); + /* save the skb in buffer_info as good */ + buffer_info->skb = skb; + skb = new_skb; + } + } + /* end copybreak code */ + /* Good Receive */ skb_put(skb, length); @@ -1931,7 +1991,6 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter) rxdesc_done: /* clean up descriptor, might be written over by hw */ rx_desc->status = 0; - buffer_info->skb = NULL; /* use prefetched values */ rx_desc = next_rxd; @@ -1971,12 +2030,18 @@ ixgb_alloc_rx_buffers(struct ixgb_adapter *adapter) /* leave three descriptors unused */ while(--cleancount > 2) { - rx_desc = IXGB_RX_DESC(*rx_ring, i); - - skb = dev_alloc_skb(adapter->rx_buffer_len + NET_IP_ALIGN); + /* recycle! its good for you */ + if (!(skb = buffer_info->skb)) + skb = dev_alloc_skb(adapter->rx_buffer_len + + NET_IP_ALIGN); + else { + skb_trim(skb, 0); + goto map_skb; + } - if(unlikely(!skb)) { + if (unlikely(!skb)) { /* Better luck next round */ + adapter->alloc_rx_buff_failed++; break; } @@ -1990,33 +2055,36 @@ ixgb_alloc_rx_buffers(struct ixgb_adapter *adapter) buffer_info->skb = skb; buffer_info->length = adapter->rx_buffer_len; - buffer_info->dma = - pci_map_single(pdev, - skb->data, - adapter->rx_buffer_len, - PCI_DMA_FROMDEVICE); +map_skb: + buffer_info->dma = pci_map_single(pdev, + skb->data, + adapter->rx_buffer_len, + PCI_DMA_FROMDEVICE); + rx_desc = IXGB_RX_DESC(*rx_ring, i); rx_desc->buff_addr = cpu_to_le64(buffer_info->dma); /* guarantee DD bit not set now before h/w gets descriptor * this is the rest of the workaround for h/w double * writeback. */ rx_desc->status = 0; - if((i & ~(num_group_tail_writes- 1)) == i) { - /* Force memory writes to complete before letting h/w - * know there are new descriptors to fetch. (Only - * applicable for weak-ordered memory model archs, - * such as IA-64). */ - wmb(); - - IXGB_WRITE_REG(&adapter->hw, RDT, i); - } if(++i == rx_ring->count) i = 0; buffer_info = &rx_ring->buffer_info[i]; } - rx_ring->next_to_use = i; + if (likely(rx_ring->next_to_use != i)) { + rx_ring->next_to_use = i; + if (unlikely(i-- == 0)) + i = (rx_ring->count - 1); + + /* Force memory writes to complete before letting h/w + * know there are new descriptors to fetch. (Only + * applicable for weak-ordered memory model archs, such + * as IA-64). */ + wmb(); + IXGB_WRITE_REG(&adapter->hw, RDT, i); + } } /** diff --git a/drivers/net/ixgb/ixgb_osdep.h b/drivers/net/ixgb/ixgb_osdep.h index dba20481ee80..ee982feac64d 100644 --- a/drivers/net/ixgb/ixgb_osdep.h +++ b/drivers/net/ixgb/ixgb_osdep.h @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free diff --git a/drivers/net/ixgb/ixgb_param.c b/drivers/net/ixgb/ixgb_param.c index 8a83dfdf746d..39fbed29a3df 100644 --- a/drivers/net/ixgb/ixgb_param.c +++ b/drivers/net/ixgb/ixgb_param.c @@ -1,7 +1,7 @@ /******************************************************************************* - Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free @@ -76,7 +76,7 @@ IXGB_PARAM(RxDescriptors, "Number of receive descriptors"); * - 2 - Tx only, generate PAUSE frames but ignore them on receive * - 3 - Full Flow Control Support * - * Default Value: Read flow control settings from the EEPROM + * Default Value: 2 - Tx only (silicon bug avoidance) */ IXGB_PARAM(FlowControl, "Flow Control setting"); @@ -137,7 +137,7 @@ IXGB_PARAM(RxFCLowThresh, "Receive Flow Control Low Threshold"); * * Valid Range: 1 - 65535 * - * Default Value: 256 (0x100) + * Default Value: 65535 (0xffff) (we'll send an xon if we recover) */ IXGB_PARAM(FCReqTimeout, "Flow Control Request Timeout"); @@ -165,8 +165,6 @@ IXGB_PARAM(IntDelayEnable, "Transmit Interrupt Delay Enable"); #define XSUMRX_DEFAULT OPTION_ENABLED -#define FLOW_CONTROL_FULL ixgb_fc_full -#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL #define DEFAULT_FCRTL 0x28000 #define DEFAULT_FCRTH 0x30000 #define MIN_FCRTL 0 @@ -174,9 +172,9 @@ IXGB_PARAM(IntDelayEnable, "Transmit Interrupt Delay Enable"); #define MIN_FCRTH 8 #define MAX_FCRTH 0x3FFF0 -#define DEFAULT_FCPAUSE 0x100 /* this may be too long */ #define MIN_FCPAUSE 1 #define MAX_FCPAUSE 0xffff +#define DEFAULT_FCPAUSE 0xFFFF /* this may be too long */ struct ixgb_option { enum { enable_option, range_option, list_option } type; @@ -336,7 +334,7 @@ ixgb_check_options(struct ixgb_adapter *adapter) .type = list_option, .name = "Flow Control", .err = "reading default settings from EEPROM", - .def = ixgb_fc_full, + .def = ixgb_fc_tx_pause, .arg = { .l = { .nr = LIST_LEN(fc_list), .p = fc_list }} }; @@ -365,8 +363,8 @@ ixgb_check_options(struct ixgb_adapter *adapter) } else { adapter->hw.fc.high_water = opt.def; } - if(!(adapter->hw.fc.type & ixgb_fc_rx_pause) ) - printk (KERN_INFO + if (!(adapter->hw.fc.type & ixgb_fc_tx_pause) ) + printk (KERN_INFO "Ignoring RxFCHighThresh when no RxFC\n"); } { /* Receive Flow Control Low Threshold */ @@ -385,8 +383,8 @@ ixgb_check_options(struct ixgb_adapter *adapter) } else { adapter->hw.fc.low_water = opt.def; } - if(!(adapter->hw.fc.type & ixgb_fc_rx_pause) ) - printk (KERN_INFO + if (!(adapter->hw.fc.type & ixgb_fc_tx_pause) ) + printk (KERN_INFO "Ignoring RxFCLowThresh when no RxFC\n"); } { /* Flow Control Pause Time Request*/ @@ -406,12 +404,12 @@ ixgb_check_options(struct ixgb_adapter *adapter) } else { adapter->hw.fc.pause_time = opt.def; } - if(!(adapter->hw.fc.type & ixgb_fc_rx_pause) ) - printk (KERN_INFO + if (!(adapter->hw.fc.type & ixgb_fc_tx_pause) ) + printk (KERN_INFO "Ignoring FCReqTimeout when no RxFC\n"); } /* high low and spacing check for rx flow control thresholds */ - if (adapter->hw.fc.type & ixgb_fc_rx_pause) { + if (adapter->hw.fc.type & ixgb_fc_tx_pause) { /* high must be greater than low */ if (adapter->hw.fc.high_water < (adapter->hw.fc.low_water + 8)) { /* set defaults */ diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 411f4d809c47..625ff61c9988 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -1200,7 +1200,7 @@ static int mv643xx_eth_start_xmit(struct sk_buff *skb, struct net_device *dev) } if (has_tiny_unaligned_frags(skb)) { - if ((skb_linearize(skb, GFP_ATOMIC) != 0)) { + if (__skb_linearize(skb)) { stats->tx_dropped++; printk(KERN_DEBUG "%s: failed to linearize tiny " "unaligned fragment\n", dev->name); diff --git a/drivers/net/myri10ge/Makefile b/drivers/net/myri10ge/Makefile new file mode 100644 index 000000000000..5df891647aee --- /dev/null +++ b/drivers/net/myri10ge/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the Myricom Myri-10G ethernet driver +# + +obj-$(CONFIG_MYRI10GE) += myri10ge.o diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c new file mode 100644 index 000000000000..e1feb58bd661 --- /dev/null +++ b/drivers/net/myri10ge/myri10ge.c @@ -0,0 +1,2869 @@ +/************************************************************************* + * myri10ge.c: Myricom Myri-10G Ethernet driver. + * + * Copyright (C) 2005, 2006 Myricom, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Myricom, Inc. nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * + * If the eeprom on your board is not recent enough, you will need to get a + * newer firmware image at: + * http://www.myri.com/scs/download-Myri10GE.html + * + * Contact Information: + * <help@myri.com> + * Myricom, Inc., 325N Santa Anita Avenue, Arcadia, CA 91006 + *************************************************************************/ + +#include <linux/tcp.h> +#include <linux/netdevice.h> +#include <linux/skbuff.h> +#include <linux/string.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/dma-mapping.h> +#include <linux/etherdevice.h> +#include <linux/if_ether.h> +#include <linux/if_vlan.h> +#include <linux/ip.h> +#include <linux/inet.h> +#include <linux/in.h> +#include <linux/ethtool.h> +#include <linux/firmware.h> +#include <linux/delay.h> +#include <linux/version.h> +#include <linux/timer.h> +#include <linux/vmalloc.h> +#include <linux/crc32.h> +#include <linux/moduleparam.h> +#include <linux/io.h> +#include <net/checksum.h> +#include <asm/byteorder.h> +#include <asm/io.h> +#include <asm/processor.h> +#ifdef CONFIG_MTRR +#include <asm/mtrr.h> +#endif + +#include "myri10ge_mcp.h" +#include "myri10ge_mcp_gen_header.h" + +#define MYRI10GE_VERSION_STR "1.0.0" + +MODULE_DESCRIPTION("Myricom 10G driver (10GbE)"); +MODULE_AUTHOR("Maintainer: help@myri.com"); +MODULE_VERSION(MYRI10GE_VERSION_STR); +MODULE_LICENSE("Dual BSD/GPL"); + +#define MYRI10GE_MAX_ETHER_MTU 9014 + +#define MYRI10GE_ETH_STOPPED 0 +#define MYRI10GE_ETH_STOPPING 1 +#define MYRI10GE_ETH_STARTING 2 +#define MYRI10GE_ETH_RUNNING 3 +#define MYRI10GE_ETH_OPEN_FAILED 4 + +#define MYRI10GE_EEPROM_STRINGS_SIZE 256 +#define MYRI10GE_MAX_SEND_DESC_TSO ((65536 / 2048) * 2) + +#define MYRI10GE_NO_CONFIRM_DATA 0xffffffff +#define MYRI10GE_NO_RESPONSE_RESULT 0xffffffff + +struct myri10ge_rx_buffer_state { + struct sk_buff *skb; + DECLARE_PCI_UNMAP_ADDR(bus) + DECLARE_PCI_UNMAP_LEN(len) +}; + +struct myri10ge_tx_buffer_state { + struct sk_buff *skb; + int last; + DECLARE_PCI_UNMAP_ADDR(bus) + DECLARE_PCI_UNMAP_LEN(len) +}; + +struct myri10ge_cmd { + u32 data0; + u32 data1; + u32 data2; +}; + +struct myri10ge_rx_buf { + struct mcp_kreq_ether_recv __iomem *lanai; /* lanai ptr for recv ring */ + u8 __iomem *wc_fifo; /* w/c rx dma addr fifo address */ + struct mcp_kreq_ether_recv *shadow; /* host shadow of recv ring */ + struct myri10ge_rx_buffer_state *info; + int cnt; + int alloc_fail; + int mask; /* number of rx slots -1 */ +}; + +struct myri10ge_tx_buf { + struct mcp_kreq_ether_send __iomem *lanai; /* lanai ptr for sendq */ + u8 __iomem *wc_fifo; /* w/c send fifo address */ + struct mcp_kreq_ether_send *req_list; /* host shadow of sendq */ + char *req_bytes; + struct myri10ge_tx_buffer_state *info; + int mask; /* number of transmit slots -1 */ + int boundary; /* boundary transmits cannot cross */ + int req ____cacheline_aligned; /* transmit slots submitted */ + int pkt_start; /* packets started */ + int done ____cacheline_aligned; /* transmit slots completed */ + int pkt_done; /* packets completed */ +}; + +struct myri10ge_rx_done { + struct mcp_slot *entry; + dma_addr_t bus; + int cnt; + int idx; +}; + +struct myri10ge_priv { + int running; /* running? */ + int csum_flag; /* rx_csums? */ + struct myri10ge_tx_buf tx; /* transmit ring */ + struct myri10ge_rx_buf rx_small; + struct myri10ge_rx_buf rx_big; + struct myri10ge_rx_done rx_done; + int small_bytes; + struct net_device *dev; + struct net_device_stats stats; + u8 __iomem *sram; + int sram_size; + unsigned long board_span; + unsigned long iomem_base; + u32 __iomem *irq_claim; + u32 __iomem *irq_deassert; + char *mac_addr_string; + struct mcp_cmd_response *cmd; + dma_addr_t cmd_bus; + struct mcp_irq_data *fw_stats; + dma_addr_t fw_stats_bus; + struct pci_dev *pdev; + int msi_enabled; + unsigned int link_state; + unsigned int rdma_tags_available; + int intr_coal_delay; + u32 __iomem *intr_coal_delay_ptr; + int mtrr; + int wake_queue; + int stop_queue; + int down_cnt; + wait_queue_head_t down_wq; + struct work_struct watchdog_work; + struct timer_list watchdog_timer; + int watchdog_tx_done; + int watchdog_resets; + int tx_linearized; + int pause; + char *fw_name; + char eeprom_strings[MYRI10GE_EEPROM_STRINGS_SIZE]; + char fw_version[128]; + u8 mac_addr[6]; /* eeprom mac address */ + unsigned long serial_number; + int vendor_specific_offset; + u32 devctl; + u16 msi_flags; + u32 pm_state[16]; + u32 read_dma; + u32 write_dma; + u32 read_write_dma; +}; + +static char *myri10ge_fw_unaligned = "myri10ge_ethp_z8e.dat"; +static char *myri10ge_fw_aligned = "myri10ge_eth_z8e.dat"; + +static char *myri10ge_fw_name = NULL; +module_param(myri10ge_fw_name, charp, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(myri10ge_fw_name, "Firmware image name\n"); + +static int myri10ge_ecrc_enable = 1; +module_param(myri10ge_ecrc_enable, int, S_IRUGO); +MODULE_PARM_DESC(myri10ge_ecrc_enable, "Enable Extended CRC on PCI-E\n"); + +static int myri10ge_max_intr_slots = 1024; +module_param(myri10ge_max_intr_slots, int, S_IRUGO); +MODULE_PARM_DESC(myri10ge_max_intr_slots, "Interrupt queue slots\n"); + +static int myri10ge_small_bytes = -1; /* -1 == auto */ +module_param(myri10ge_small_bytes, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(myri10ge_small_bytes, "Threshold of small packets\n"); + +static int myri10ge_msi = 1; /* enable msi by default */ +module_param(myri10ge_msi, int, S_IRUGO); +MODULE_PARM_DESC(myri10ge_msi, "Enable Message Signalled Interrupts\n"); + +static int myri10ge_intr_coal_delay = 25; +module_param(myri10ge_intr_coal_delay, int, S_IRUGO); +MODULE_PARM_DESC(myri10ge_intr_coal_delay, "Interrupt coalescing delay\n"); + +static int myri10ge_flow_control = 1; +module_param(myri10ge_flow_control, int, S_IRUGO); +MODULE_PARM_DESC(myri10ge_flow_control, "Pause parameter\n"); + +static int myri10ge_deassert_wait = 1; +module_param(myri10ge_deassert_wait, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(myri10ge_deassert_wait, + "Wait when deasserting legacy interrupts\n"); + +static int myri10ge_force_firmware = 0; +module_param(myri10ge_force_firmware, int, S_IRUGO); +MODULE_PARM_DESC(myri10ge_force_firmware, + "Force firmware to assume aligned completions\n"); + +static int myri10ge_skb_cross_4k = 0; +module_param(myri10ge_skb_cross_4k, int, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(myri10ge_skb_cross_4k, + "Can a small skb cross a 4KB boundary?\n"); + +static int myri10ge_initial_mtu = MYRI10GE_MAX_ETHER_MTU - ETH_HLEN; +module_param(myri10ge_initial_mtu, int, S_IRUGO); +MODULE_PARM_DESC(myri10ge_initial_mtu, "Initial MTU\n"); + +static int myri10ge_napi_weight = 64; +module_param(myri10ge_napi_weight, int, S_IRUGO); +MODULE_PARM_DESC(myri10ge_napi_weight, "Set NAPI weight\n"); + +static int myri10ge_watchdog_timeout = 1; +module_param(myri10ge_watchdog_timeout, int, S_IRUGO); +MODULE_PARM_DESC(myri10ge_watchdog_timeout, "Set watchdog timeout\n"); + +static int myri10ge_max_irq_loops = 1048576; +module_param(myri10ge_max_irq_loops, int, S_IRUGO); +MODULE_PARM_DESC(myri10ge_max_irq_loops, + "Set stuck legacy IRQ detection threshold\n"); + +#define MYRI10GE_FW_OFFSET 1024*1024 +#define MYRI10GE_HIGHPART_TO_U32(X) \ +(sizeof (X) == 8) ? ((u32)((u64)(X) >> 32)) : (0) +#define MYRI10GE_LOWPART_TO_U32(X) ((u32)(X)) + +#define myri10ge_pio_copy(to,from,size) __iowrite64_copy(to,from,size/8) + +static int +myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd, + struct myri10ge_cmd *data, int atomic) +{ + struct mcp_cmd *buf; + char buf_bytes[sizeof(*buf) + 8]; + struct mcp_cmd_response *response = mgp->cmd; + char __iomem *cmd_addr = mgp->sram + MXGEFW_CMD_OFFSET; + u32 dma_low, dma_high, result, value; + int sleep_total = 0; + + /* ensure buf is aligned to 8 bytes */ + buf = (struct mcp_cmd *)ALIGN((unsigned long)buf_bytes, 8); + + buf->data0 = htonl(data->data0); + buf->data1 = htonl(data->data1); + buf->data2 = htonl(data->data2); + buf->cmd = htonl(cmd); + dma_low = MYRI10GE_LOWPART_TO_U32(mgp->cmd_bus); + dma_high = MYRI10GE_HIGHPART_TO_U32(mgp->cmd_bus); + + buf->response_addr.low = htonl(dma_low); + buf->response_addr.high = htonl(dma_high); + response->result = MYRI10GE_NO_RESPONSE_RESULT; + mb(); + myri10ge_pio_copy(cmd_addr, buf, sizeof(*buf)); + + /* wait up to 15ms. Longest command is the DMA benchmark, + * which is capped at 5ms, but runs from a timeout handler + * that runs every 7.8ms. So a 15ms timeout leaves us with + * a 2.2ms margin + */ + if (atomic) { + /* if atomic is set, do not sleep, + * and try to get the completion quickly + * (1ms will be enough for those commands) */ + for (sleep_total = 0; + sleep_total < 1000 + && response->result == MYRI10GE_NO_RESPONSE_RESULT; + sleep_total += 10) + udelay(10); + } else { + /* use msleep for most command */ + for (sleep_total = 0; + sleep_total < 15 + && response->result == MYRI10GE_NO_RESPONSE_RESULT; + sleep_total++) + msleep(1); + } + + result = ntohl(response->result); + value = ntohl(response->data); + if (result != MYRI10GE_NO_RESPONSE_RESULT) { + if (result == 0) { + data->data0 = value; + return 0; + } else { + dev_err(&mgp->pdev->dev, + "command %d failed, result = %d\n", + cmd, result); + return -ENXIO; + } + } + + dev_err(&mgp->pdev->dev, "command %d timed out, result = %d\n", + cmd, result); + return -EAGAIN; +} + +/* + * The eeprom strings on the lanaiX have the format + * SN=x\0 + * MAC=x:x:x:x:x:x\0 + * PT:ddd mmm xx xx:xx:xx xx\0 + * PV:ddd mmm xx xx:xx:xx xx\0 + */ +static int myri10ge_read_mac_addr(struct myri10ge_priv *mgp) +{ + char *ptr, *limit; + int i; + + ptr = mgp->eeprom_strings; + limit = mgp->eeprom_strings + MYRI10GE_EEPROM_STRINGS_SIZE; + + while (*ptr != '\0' && ptr < limit) { + if (memcmp(ptr, "MAC=", 4) == 0) { + ptr += 4; + mgp->mac_addr_string = ptr; + for (i = 0; i < 6; i++) { + if ((ptr + 2) > limit) + goto abort; + mgp->mac_addr[i] = + simple_strtoul(ptr, &ptr, 16); + ptr += 1; + } + } + if (memcmp((const void *)ptr, "SN=", 3) == 0) { + ptr += 3; + mgp->serial_number = simple_strtoul(ptr, &ptr, 10); + } + while (ptr < limit && *ptr++) ; + } + + return 0; + +abort: + dev_err(&mgp->pdev->dev, "failed to parse eeprom_strings\n"); + return -ENXIO; +} + +/* + * Enable or disable periodic RDMAs from the host to make certain + * chipsets resend dropped PCIe messages + */ + +static void myri10ge_dummy_rdma(struct myri10ge_priv *mgp, int enable) +{ + char __iomem *submit; + u32 buf[16]; + u32 dma_low, dma_high; + int i; + + /* clear confirmation addr */ + mgp->cmd->data = 0; + mb(); + + /* send a rdma command to the PCIe engine, and wait for the + * response in the confirmation address. The firmware should + * write a -1 there to indicate it is alive and well + */ + dma_low = MYRI10GE_LOWPART_TO_U32(mgp->cmd_bus); + dma_high = MYRI10GE_HIGHPART_TO_U32(mgp->cmd_bus); + + buf[0] = htonl(dma_high); /* confirm addr MSW */ + buf[1] = htonl(dma_low); /* confirm addr LSW */ + buf[2] = htonl(MYRI10GE_NO_CONFIRM_DATA); /* confirm data */ + buf[3] = htonl(dma_high); /* dummy addr MSW */ + buf[4] = htonl(dma_low); /* dummy addr LSW */ + buf[5] = htonl(enable); /* enable? */ + + submit = mgp->sram + 0xfc01c0; + + myri10ge_pio_copy(submit, &buf, sizeof(buf)); + for (i = 0; mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA && i < 20; i++) + msleep(1); + if (mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA) + dev_err(&mgp->pdev->dev, "dummy rdma %s failed\n", + (enable ? "enable" : "disable")); +} + +static int +myri10ge_validate_firmware(struct myri10ge_priv *mgp, + struct mcp_gen_header *hdr) +{ + struct device *dev = &mgp->pdev->dev; + int major, minor; + + /* check firmware type */ + if (ntohl(hdr->mcp_type) != MCP_TYPE_ETH) { + dev_err(dev, "Bad firmware type: 0x%x\n", ntohl(hdr->mcp_type)); + return -EINVAL; + } + + /* save firmware version for ethtool */ + strncpy(mgp->fw_version, hdr->version, sizeof(mgp->fw_version)); + + sscanf(mgp->fw_version, "%d.%d", &major, &minor); + + if (!(major == MXGEFW_VERSION_MAJOR && minor == MXGEFW_VERSION_MINOR)) { + dev_err(dev, "Found firmware version %s\n", mgp->fw_version); + dev_err(dev, "Driver needs %d.%d\n", MXGEFW_VERSION_MAJOR, + MXGEFW_VERSION_MINOR); + return -EINVAL; + } + return 0; +} + +static int myri10ge_load_hotplug_firmware(struct myri10ge_priv *mgp, u32 * size) +{ + unsigned crc, reread_crc; + const struct firmware *fw; + struct device *dev = &mgp->pdev->dev; + struct mcp_gen_header *hdr; + size_t hdr_offset; + int status; + + if ((status = request_firmware(&fw, mgp->fw_name, dev)) < 0) { + dev_err(dev, "Unable to load %s firmware image via hotplug\n", + mgp->fw_name); + status = -EINVAL; + goto abort_with_nothing; + } + + /* check size */ + + if (fw->size >= mgp->sram_size - MYRI10GE_FW_OFFSET || + fw->size < MCP_HEADER_PTR_OFFSET + 4) { + dev_err(dev, "Firmware size invalid:%d\n", (int)fw->size); + status = -EINVAL; + goto abort_with_fw; + } + + /* check id */ + hdr_offset = ntohl(*(u32 *) (fw->data + MCP_HEADER_PTR_OFFSET)); + if ((hdr_offset & 3) || hdr_offset + sizeof(*hdr) > fw->size) { + dev_err(dev, "Bad firmware file\n"); + status = -EINVAL; + goto abort_with_fw; + } + hdr = (void *)(fw->data + hdr_offset); + + status = myri10ge_validate_firmware(mgp, hdr); + if (status != 0) + goto abort_with_fw; + + crc = crc32(~0, fw->data, fw->size); + if (mgp->tx.boundary == 2048) { + /* Avoid PCI burst on chipset with unaligned completions. */ + int i; + __iomem u32 *ptr = (__iomem u32 *) (mgp->sram + + MYRI10GE_FW_OFFSET); + for (i = 0; i < fw->size / 4; i++) { + __raw_writel(((u32 *) fw->data)[i], ptr + i); + wmb(); + } + } else { + myri10ge_pio_copy(mgp->sram + MYRI10GE_FW_OFFSET, fw->data, + fw->size); + } + /* corruption checking is good for parity recovery and buggy chipset */ + memcpy_fromio(fw->data, mgp->sram + MYRI10GE_FW_OFFSET, fw->size); + reread_crc = crc32(~0, fw->data, fw->size); + if (crc != reread_crc) { + dev_err(dev, "CRC failed(fw-len=%u), got 0x%x (expect 0x%x)\n", + (unsigned)fw->size, reread_crc, crc); + status = -EIO; + goto abort_with_fw; + } + *size = (u32) fw->size; + +abort_with_fw: + release_firmware(fw); + +abort_with_nothing: + return status; +} + +static int myri10ge_adopt_running_firmware(struct myri10ge_priv *mgp) +{ + struct mcp_gen_header *hdr; + struct device *dev = &mgp->pdev->dev; + const size_t bytes = sizeof(struct mcp_gen_header); + size_t hdr_offset; + int status; + + /* find running firmware header */ + hdr_offset = ntohl(__raw_readl(mgp->sram + MCP_HEADER_PTR_OFFSET)); + + if ((hdr_offset & 3) || hdr_offset + sizeof(*hdr) > mgp->sram_size) { + dev_err(dev, "Running firmware has bad header offset (%d)\n", + (int)hdr_offset); + return -EIO; + } + + /* copy header of running firmware from SRAM to host memory to + * validate firmware */ + hdr = kmalloc(bytes, GFP_KERNEL); + if (hdr == NULL) { + dev_err(dev, "could not malloc firmware hdr\n"); + return -ENOMEM; + } + memcpy_fromio(hdr, mgp->sram + hdr_offset, bytes); + status = myri10ge_validate_firmware(mgp, hdr); + kfree(hdr); + return status; +} + +static int myri10ge_load_firmware(struct myri10ge_priv *mgp) +{ + char __iomem *submit; + u32 buf[16]; + u32 dma_low, dma_high, size; + int status, i; + + size = 0; + status = myri10ge_load_hotplug_firmware(mgp, &size); + if (status) { + dev_warn(&mgp->pdev->dev, "hotplug firmware loading failed\n"); + + /* Do not attempt to adopt firmware if there + * was a bad crc */ + if (status == -EIO) + return status; + + status = myri10ge_adopt_running_firmware(mgp); + if (status != 0) { + dev_err(&mgp->pdev->dev, + "failed to adopt running firmware\n"); + return status; + } + dev_info(&mgp->pdev->dev, + "Successfully adopted running firmware\n"); + if (mgp->tx.boundary == 4096) { + dev_warn(&mgp->pdev->dev, + "Using firmware currently running on NIC" + ". For optimal\n"); + dev_warn(&mgp->pdev->dev, + "performance consider loading optimized " + "firmware\n"); + dev_warn(&mgp->pdev->dev, "via hotplug\n"); + } + + mgp->fw_name = "adopted"; + mgp->tx.boundary = 2048; + return status; + } + + /* clear confirmation addr */ + mgp->cmd->data = 0; + mb(); + + /* send a reload command to the bootstrap MCP, and wait for the + * response in the confirmation address. The firmware should + * write a -1 there to indicate it is alive and well + */ + dma_low = MYRI10GE_LOWPART_TO_U32(mgp->cmd_bus); + dma_high = MYRI10GE_HIGHPART_TO_U32(mgp->cmd_bus); + + buf[0] = htonl(dma_high); /* confirm addr MSW */ + buf[1] = htonl(dma_low); /* confirm addr LSW */ + buf[2] = htonl(MYRI10GE_NO_CONFIRM_DATA); /* confirm data */ + + /* FIX: All newest firmware should un-protect the bottom of + * the sram before handoff. However, the very first interfaces + * do not. Therefore the handoff copy must skip the first 8 bytes + */ + buf[3] = htonl(MYRI10GE_FW_OFFSET + 8); /* where the code starts */ + buf[4] = htonl(size - 8); /* length of code */ + buf[5] = htonl(8); /* where to copy to */ + buf[6] = htonl(0); /* where to jump to */ + + submit = mgp->sram + 0xfc0000; + + myri10ge_pio_copy(submit, &buf, sizeof(buf)); + mb(); + msleep(1); + mb(); + i = 0; + while (mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA && i < 20) { + msleep(1); + i++; + } + if (mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA) { + dev_err(&mgp->pdev->dev, "handoff failed\n"); + return -ENXIO; + } + dev_info(&mgp->pdev->dev, "handoff confirmed\n"); + myri10ge_dummy_rdma(mgp, mgp->tx.boundary != 4096); + + return 0; +} + +static int myri10ge_update_mac_address(struct myri10ge_priv *mgp, u8 * addr) +{ + struct myri10ge_cmd cmd; + int status; + + cmd.data0 = ((addr[0] << 24) | (addr[1] << 16) + | (addr[2] << 8) | addr[3]); + + cmd.data1 = ((addr[4] << 8) | (addr[5])); + + status = myri10ge_send_cmd(mgp, MXGEFW_SET_MAC_ADDRESS, &cmd, 0); + return status; +} + +static int myri10ge_change_pause(struct myri10ge_priv *mgp, int pause) +{ + struct myri10ge_cmd cmd; + int status, ctl; + + ctl = pause ? MXGEFW_ENABLE_FLOW_CONTROL : MXGEFW_DISABLE_FLOW_CONTROL; + status = myri10ge_send_cmd(mgp, ctl, &cmd, 0); + + if (status) { + printk(KERN_ERR + "myri10ge: %s: Failed to set flow control mode\n", + mgp->dev->name); + return status; + } + mgp->pause = pause; + return 0; +} + +static void +myri10ge_change_promisc(struct myri10ge_priv *mgp, int promisc, int atomic) +{ + struct myri10ge_cmd cmd; + int status, ctl; + + ctl = promisc ? MXGEFW_ENABLE_PROMISC : MXGEFW_DISABLE_PROMISC; + status = myri10ge_send_cmd(mgp, ctl, &cmd, atomic); + if (status) + printk(KERN_ERR "myri10ge: %s: Failed to set promisc mode\n", + mgp->dev->name); +} + +static int myri10ge_reset(struct myri10ge_priv *mgp) +{ + struct myri10ge_cmd cmd; + int status; + size_t bytes; + u32 len; + + /* try to send a reset command to the card to see if it + * is alive */ + memset(&cmd, 0, sizeof(cmd)); + status = myri10ge_send_cmd(mgp, MXGEFW_CMD_RESET, &cmd, 0); + if (status != 0) { + dev_err(&mgp->pdev->dev, "failed reset\n"); + return -ENXIO; + } + + /* Now exchange information about interrupts */ + + bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry); + memset(mgp->rx_done.entry, 0, bytes); + cmd.data0 = (u32) bytes; + status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_SIZE, &cmd, 0); + cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->rx_done.bus); + cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->rx_done.bus); + status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_INTRQ_DMA, &cmd, 0); + + status |= + myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_ACK_OFFSET, &cmd, 0); + mgp->irq_claim = (__iomem u32 *) (mgp->sram + cmd.data0); + if (!mgp->msi_enabled) { + status |= myri10ge_send_cmd + (mgp, MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET, &cmd, 0); + mgp->irq_deassert = (__iomem u32 *) (mgp->sram + cmd.data0); + + } + status |= myri10ge_send_cmd + (mgp, MXGEFW_CMD_GET_INTR_COAL_DELAY_OFFSET, &cmd, 0); + mgp->intr_coal_delay_ptr = (__iomem u32 *) (mgp->sram + cmd.data0); + if (status != 0) { + dev_err(&mgp->pdev->dev, "failed set interrupt parameters\n"); + return status; + } + __raw_writel(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr); + + /* Run a small DMA test. + * The magic multipliers to the length tell the firmware + * to do DMA read, write, or read+write tests. The + * results are returned in cmd.data0. The upper 16 + * bits or the return is the number of transfers completed. + * The lower 16 bits is the time in 0.5us ticks that the + * transfers took to complete. + */ + + len = mgp->tx.boundary; + + cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->rx_done.bus); + cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->rx_done.bus); + cmd.data2 = len * 0x10000; + status = myri10ge_send_cmd(mgp, MXGEFW_DMA_TEST, &cmd, 0); + if (status == 0) + mgp->read_dma = ((cmd.data0 >> 16) * len * 2) / + (cmd.data0 & 0xffff); + else + dev_warn(&mgp->pdev->dev, "DMA read benchmark failed: %d\n", + status); + cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->rx_done.bus); + cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->rx_done.bus); + cmd.data2 = len * 0x1; + status = myri10ge_send_cmd(mgp, MXGEFW_DMA_TEST, &cmd, 0); + if (status == 0) + mgp->write_dma = ((cmd.data0 >> 16) * len * 2) / + (cmd.data0 & 0xffff); + else + dev_warn(&mgp->pdev->dev, "DMA write benchmark failed: %d\n", + status); + + cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->rx_done.bus); + cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->rx_done.bus); + cmd.data2 = len * 0x10001; + status = myri10ge_send_cmd(mgp, MXGEFW_DMA_TEST, &cmd, 0); + if (status == 0) + mgp->read_write_dma = ((cmd.data0 >> 16) * len * 2 * 2) / + (cmd.data0 & 0xffff); + else + dev_warn(&mgp->pdev->dev, + "DMA read/write benchmark failed: %d\n", status); + + memset(mgp->rx_done.entry, 0, bytes); + + /* reset mcp/driver shared state back to 0 */ + mgp->tx.req = 0; + mgp->tx.done = 0; + mgp->tx.pkt_start = 0; + mgp->tx.pkt_done = 0; + mgp->rx_big.cnt = 0; + mgp->rx_small.cnt = 0; + mgp->rx_done.idx = 0; + mgp->rx_done.cnt = 0; + status = myri10ge_update_mac_address(mgp, mgp->dev->dev_addr); + myri10ge_change_promisc(mgp, 0, 0); + myri10ge_change_pause(mgp, mgp->pause); + return status; +} + +static inline void +myri10ge_submit_8rx(struct mcp_kreq_ether_recv __iomem * dst, + struct mcp_kreq_ether_recv *src) +{ + u32 low; + + low = src->addr_low; + src->addr_low = DMA_32BIT_MASK; + myri10ge_pio_copy(dst, src, 8 * sizeof(*src)); + mb(); + src->addr_low = low; + __raw_writel(low, &dst->addr_low); + mb(); +} + +/* + * Set of routines to get a new receive buffer. Any buffer which + * crosses a 4KB boundary must start on a 4KB boundary due to PCIe + * wdma restrictions. We also try to align any smaller allocation to + * at least a 16 byte boundary for efficiency. We assume the linux + * memory allocator works by powers of 2, and will not return memory + * smaller than 2KB which crosses a 4KB boundary. If it does, we fall + * back to allocating 2x as much space as required. + * + * We intend to replace large (>4KB) skb allocations by using + * pages directly and building a fraglist in the near future. + */ + +static inline struct sk_buff *myri10ge_alloc_big(int bytes) +{ + struct sk_buff *skb; + unsigned long data, roundup; + + skb = dev_alloc_skb(bytes + 4096 + MXGEFW_PAD); + if (skb == NULL) + return NULL; + + /* Correct skb->truesize so that socket buffer + * accounting is not confused the rounding we must + * do to satisfy alignment constraints. + */ + skb->truesize -= 4096; + + data = (unsigned long)(skb->data); + roundup = (-data) & (4095); + skb_reserve(skb, roundup); + return skb; +} + +/* Allocate 2x as much space as required and use whichever portion + * does not cross a 4KB boundary */ +static inline struct sk_buff *myri10ge_alloc_small_safe(unsigned int bytes) +{ + struct sk_buff *skb; + unsigned long data, boundary; + + skb = dev_alloc_skb(2 * (bytes + MXGEFW_PAD) - 1); + if (unlikely(skb == NULL)) + return NULL; + + /* Correct skb->truesize so that socket buffer + * accounting is not confused the rounding we must + * do to satisfy alignment constraints. + */ + skb->truesize -= bytes + MXGEFW_PAD; + + data = (unsigned long)(skb->data); + boundary = (data + 4095UL) & ~4095UL; + if ((boundary - data) >= (bytes + MXGEFW_PAD)) + return skb; + + skb_reserve(skb, boundary - data); + return skb; +} + +/* Allocate just enough space, and verify that the allocated + * space does not cross a 4KB boundary */ +static inline struct sk_buff *myri10ge_alloc_small(int bytes) +{ + struct sk_buff *skb; + unsigned long roundup, data, end; + + skb = dev_alloc_skb(bytes + 16 + MXGEFW_PAD); + if (unlikely(skb == NULL)) + return NULL; + + /* Round allocated buffer to 16 byte boundary */ + data = (unsigned long)(skb->data); + roundup = (-data) & 15UL; + skb_reserve(skb, roundup); + /* Verify that the data buffer does not cross a page boundary */ + data = (unsigned long)(skb->data); + end = data + bytes + MXGEFW_PAD - 1; + if (unlikely(((end >> 12) != (data >> 12)) && (data & 4095UL))) { + printk(KERN_NOTICE + "myri10ge_alloc_small: small skb crossed 4KB boundary\n"); + myri10ge_skb_cross_4k = 1; + dev_kfree_skb_any(skb); + skb = myri10ge_alloc_small_safe(bytes); + } + return skb; +} + +static inline int +myri10ge_getbuf(struct myri10ge_rx_buf *rx, struct pci_dev *pdev, int bytes, + int idx) +{ + struct sk_buff *skb; + dma_addr_t bus; + int len, retval = 0; + + bytes += VLAN_HLEN; /* account for 802.1q vlan tag */ + + if ((bytes + MXGEFW_PAD) > (4096 - 16) /* linux overhead */ ) + skb = myri10ge_alloc_big(bytes); + else if (myri10ge_skb_cross_4k) + skb = myri10ge_alloc_small_safe(bytes); + else + skb = myri10ge_alloc_small(bytes); + + if (unlikely(skb == NULL)) { + rx->alloc_fail++; + retval = -ENOBUFS; + goto done; + } + + /* set len so that it only covers the area we + * need mapped for DMA */ + len = bytes + MXGEFW_PAD; + + bus = pci_map_single(pdev, skb->data, len, PCI_DMA_FROMDEVICE); + rx->info[idx].skb = skb; + pci_unmap_addr_set(&rx->info[idx], bus, bus); + pci_unmap_len_set(&rx->info[idx], len, len); + rx->shadow[idx].addr_low = htonl(MYRI10GE_LOWPART_TO_U32(bus)); + rx->shadow[idx].addr_high = htonl(MYRI10GE_HIGHPART_TO_U32(bus)); + +done: + /* copy 8 descriptors (64-bytes) to the mcp at a time */ + if ((idx & 7) == 7) { + if (rx->wc_fifo == NULL) + myri10ge_submit_8rx(&rx->lanai[idx - 7], + &rx->shadow[idx - 7]); + else { + mb(); + myri10ge_pio_copy(rx->wc_fifo, + &rx->shadow[idx - 7], 64); + } + } + return retval; +} + +static inline void myri10ge_vlan_ip_csum(struct sk_buff *skb, u16 hw_csum) +{ + struct vlan_hdr *vh = (struct vlan_hdr *)(skb->data); + + if ((skb->protocol == ntohs(ETH_P_8021Q)) && + (vh->h_vlan_encapsulated_proto == htons(ETH_P_IP) || + vh->h_vlan_encapsulated_proto == htons(ETH_P_IPV6))) { + skb->csum = hw_csum; + skb->ip_summed = CHECKSUM_HW; + } +} + +static inline unsigned long +myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx, + int bytes, int len, int csum) +{ + dma_addr_t bus; + struct sk_buff *skb; + int idx, unmap_len; + + idx = rx->cnt & rx->mask; + rx->cnt++; + + /* save a pointer to the received skb */ + skb = rx->info[idx].skb; + bus = pci_unmap_addr(&rx->info[idx], bus); + unmap_len = pci_unmap_len(&rx->info[idx], len); + + /* try to replace the received skb */ + if (myri10ge_getbuf(rx, mgp->pdev, bytes, idx)) { + /* drop the frame -- the old skbuf is re-cycled */ + mgp->stats.rx_dropped += 1; + return 0; + } + + /* unmap the recvd skb */ + pci_unmap_single(mgp->pdev, bus, unmap_len, PCI_DMA_FROMDEVICE); + + /* mcp implicitly skips 1st bytes so that packet is properly + * aligned */ + skb_reserve(skb, MXGEFW_PAD); + + /* set the length of the frame */ + skb_put(skb, len); + + skb->protocol = eth_type_trans(skb, mgp->dev); + skb->dev = mgp->dev; + if (mgp->csum_flag) { + if ((skb->protocol == ntohs(ETH_P_IP)) || + (skb->protocol == ntohs(ETH_P_IPV6))) { + skb->csum = ntohs((u16) csum); + skb->ip_summed = CHECKSUM_HW; + } else + myri10ge_vlan_ip_csum(skb, ntohs((u16) csum)); + } + + netif_receive_skb(skb); + mgp->dev->last_rx = jiffies; + return 1; +} + +static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index) +{ + struct pci_dev *pdev = mgp->pdev; + struct myri10ge_tx_buf *tx = &mgp->tx; + struct sk_buff *skb; + int idx, len; + int limit = 0; + + while (tx->pkt_done != mcp_index) { + idx = tx->done & tx->mask; + skb = tx->info[idx].skb; + + /* Mark as free */ + tx->info[idx].skb = NULL; + if (tx->info[idx].last) { + tx->pkt_done++; + tx->info[idx].last = 0; + } + tx->done++; + len = pci_unmap_len(&tx->info[idx], len); + pci_unmap_len_set(&tx->info[idx], len, 0); + if (skb) { + mgp->stats.tx_bytes += skb->len; + mgp->stats.tx_packets++; + dev_kfree_skb_irq(skb); + if (len) + pci_unmap_single(pdev, + pci_unmap_addr(&tx->info[idx], + bus), len, + PCI_DMA_TODEVICE); + } else { + if (len) + pci_unmap_page(pdev, + pci_unmap_addr(&tx->info[idx], + bus), len, + PCI_DMA_TODEVICE); + } + + /* limit potential for livelock by only handling + * 2 full tx rings per call */ + if (unlikely(++limit > 2 * tx->mask)) + break; + } + /* start the queue if we've stopped it */ + if (netif_queue_stopped(mgp->dev) + && tx->req - tx->done < (tx->mask >> 1)) { + mgp->wake_queue++; + netif_wake_queue(mgp->dev); + } +} + +static inline void myri10ge_clean_rx_done(struct myri10ge_priv *mgp, int *limit) +{ + struct myri10ge_rx_done *rx_done = &mgp->rx_done; + unsigned long rx_bytes = 0; + unsigned long rx_packets = 0; + unsigned long rx_ok; + + int idx = rx_done->idx; + int cnt = rx_done->cnt; + u16 length; + u16 checksum; + + while (rx_done->entry[idx].length != 0 && *limit != 0) { + length = ntohs(rx_done->entry[idx].length); + rx_done->entry[idx].length = 0; + checksum = ntohs(rx_done->entry[idx].checksum); + if (length <= mgp->small_bytes) + rx_ok = myri10ge_rx_done(mgp, &mgp->rx_small, + mgp->small_bytes, + length, checksum); + else + rx_ok = myri10ge_rx_done(mgp, &mgp->rx_big, + mgp->dev->mtu + ETH_HLEN, + length, checksum); + rx_packets += rx_ok; + rx_bytes += rx_ok * (unsigned long)length; + cnt++; + idx = cnt & (myri10ge_max_intr_slots - 1); + + /* limit potential for livelock by only handling a + * limited number of frames. */ + (*limit)--; + } + rx_done->idx = idx; + rx_done->cnt = cnt; + mgp->stats.rx_packets += rx_packets; + mgp->stats.rx_bytes += rx_bytes; +} + +static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp) +{ + struct mcp_irq_data *stats = mgp->fw_stats; + + if (unlikely(stats->stats_updated)) { + if (mgp->link_state != stats->link_up) { + mgp->link_state = stats->link_up; + if (mgp->link_state) { + printk(KERN_INFO "myri10ge: %s: link up\n", + mgp->dev->name); + netif_carrier_on(mgp->dev); + } else { + printk(KERN_INFO "myri10ge: %s: link down\n", + mgp->dev->name); + netif_carrier_off(mgp->dev); + } + } + if (mgp->rdma_tags_available != + ntohl(mgp->fw_stats->rdma_tags_available)) { + mgp->rdma_tags_available = + ntohl(mgp->fw_stats->rdma_tags_available); + printk(KERN_WARNING "myri10ge: %s: RDMA timed out! " + "%d tags left\n", mgp->dev->name, + mgp->rdma_tags_available); + } + mgp->down_cnt += stats->link_down; + if (stats->link_down) + wake_up(&mgp->down_wq); + } +} + +static int myri10ge_poll(struct net_device *netdev, int *budget) +{ + struct myri10ge_priv *mgp = netdev_priv(netdev); + struct myri10ge_rx_done *rx_done = &mgp->rx_done; + int limit, orig_limit, work_done; + + /* process as many rx events as NAPI will allow */ + limit = min(*budget, netdev->quota); + orig_limit = limit; + myri10ge_clean_rx_done(mgp, &limit); + work_done = orig_limit - limit; + *budget -= work_done; + netdev->quota -= work_done; + + if (rx_done->entry[rx_done->idx].length == 0 || !netif_running(netdev)) { + netif_rx_complete(netdev); + __raw_writel(htonl(3), mgp->irq_claim); + return 0; + } + return 1; +} + +static irqreturn_t myri10ge_intr(int irq, void *arg, struct pt_regs *regs) +{ + struct myri10ge_priv *mgp = arg; + struct mcp_irq_data *stats = mgp->fw_stats; + struct myri10ge_tx_buf *tx = &mgp->tx; + u32 send_done_count; + int i; + + /* make sure it is our IRQ, and that the DMA has finished */ + if (unlikely(!stats->valid)) + return (IRQ_NONE); + + /* low bit indicates receives are present, so schedule + * napi poll handler */ + if (stats->valid & 1) + netif_rx_schedule(mgp->dev); + + if (!mgp->msi_enabled) { + __raw_writel(0, mgp->irq_deassert); + if (!myri10ge_deassert_wait) + stats->valid = 0; + mb(); + } else + stats->valid = 0; + + /* Wait for IRQ line to go low, if using INTx */ + i = 0; + while (1) { + i++; + /* check for transmit completes and receives */ + send_done_count = ntohl(stats->send_done_count); + if (send_done_count != tx->pkt_done) + myri10ge_tx_done(mgp, (int)send_done_count); + if (unlikely(i > myri10ge_max_irq_loops)) { + printk(KERN_WARNING "myri10ge: %s: irq stuck?\n", + mgp->dev->name); + stats->valid = 0; + schedule_work(&mgp->watchdog_work); + } + if (likely(stats->valid == 0)) + break; + cpu_relax(); + barrier(); + } + + myri10ge_check_statblock(mgp); + + __raw_writel(htonl(3), mgp->irq_claim + 1); + return (IRQ_HANDLED); +} + +static int +myri10ge_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd) +{ + cmd->autoneg = AUTONEG_DISABLE; + cmd->speed = SPEED_10000; + cmd->duplex = DUPLEX_FULL; + return 0; +} + +static void +myri10ge_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *info) +{ + struct myri10ge_priv *mgp = netdev_priv(netdev); + + strlcpy(info->driver, "myri10ge", sizeof(info->driver)); + strlcpy(info->version, MYRI10GE_VERSION_STR, sizeof(info->version)); + strlcpy(info->fw_version, mgp->fw_version, sizeof(info->fw_version)); + strlcpy(info->bus_info, pci_name(mgp->pdev), sizeof(info->bus_info)); +} + +static int +myri10ge_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coal) +{ + struct myri10ge_priv *mgp = netdev_priv(netdev); + coal->rx_coalesce_usecs = mgp->intr_coal_delay; + return 0; +} + +static int +myri10ge_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coal) +{ + struct myri10ge_priv *mgp = netdev_priv(netdev); + + mgp->intr_coal_delay = coal->rx_coalesce_usecs; + __raw_writel(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr); + return 0; +} + +static void +myri10ge_get_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pause) +{ + struct myri10ge_priv *mgp = netdev_priv(netdev); + + pause->autoneg = 0; + pause->rx_pause = mgp->pause; + pause->tx_pause = mgp->pause; +} + +static int +myri10ge_set_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *pause) +{ + struct myri10ge_priv *mgp = netdev_priv(netdev); + + if (pause->tx_pause != mgp->pause) + return myri10ge_change_pause(mgp, pause->tx_pause); + if (pause->rx_pause != mgp->pause) + return myri10ge_change_pause(mgp, pause->tx_pause); + if (pause->autoneg != 0) + return -EINVAL; + return 0; +} + +static void +myri10ge_get_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) +{ + struct myri10ge_priv *mgp = netdev_priv(netdev); + + ring->rx_mini_max_pending = mgp->rx_small.mask + 1; + ring->rx_max_pending = mgp->rx_big.mask + 1; + ring->rx_jumbo_max_pending = 0; + ring->tx_max_pending = mgp->rx_small.mask + 1; + ring->rx_mini_pending = ring->rx_mini_max_pending; + ring->rx_pending = ring->rx_max_pending; + ring->rx_jumbo_pending = ring->rx_jumbo_max_pending; + ring->tx_pending = ring->tx_max_pending; +} + +static u32 myri10ge_get_rx_csum(struct net_device *netdev) +{ + struct myri10ge_priv *mgp = netdev_priv(netdev); + if (mgp->csum_flag) + return 1; + else + return 0; +} + +static int myri10ge_set_rx_csum(struct net_device *netdev, u32 csum_enabled) +{ + struct myri10ge_priv *mgp = netdev_priv(netdev); + if (csum_enabled) + mgp->csum_flag = MXGEFW_FLAGS_CKSUM; + else + mgp->csum_flag = 0; + return 0; +} + +static const char myri10ge_gstrings_stats[][ETH_GSTRING_LEN] = { + "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors", + "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions", + "rx_length_errors", "rx_over_errors", "rx_crc_errors", + "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors", + "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors", + "tx_heartbeat_errors", "tx_window_errors", + /* device-specific stats */ + "read_dma_bw_MBs", "write_dma_bw_MBs", "read_write_dma_bw_MBs", + "serial_number", "tx_pkt_start", "tx_pkt_done", + "tx_req", "tx_done", "rx_small_cnt", "rx_big_cnt", + "wake_queue", "stop_queue", "watchdog_resets", "tx_linearized", + "link_up", "dropped_link_overflow", "dropped_link_error_or_filtered", + "dropped_runt", "dropped_overrun", "dropped_no_small_buffer", + "dropped_no_big_buffer" +}; + +#define MYRI10GE_NET_STATS_LEN 21 +#define MYRI10GE_STATS_LEN sizeof(myri10ge_gstrings_stats) / ETH_GSTRING_LEN + +static void +myri10ge_get_strings(struct net_device *netdev, u32 stringset, u8 * data) +{ + switch (stringset) { + case ETH_SS_STATS: + memcpy(data, *myri10ge_gstrings_stats, + sizeof(myri10ge_gstrings_stats)); + break; + } +} + +static int myri10ge_get_stats_count(struct net_device *netdev) +{ + return MYRI10GE_STATS_LEN; +} + +static void +myri10ge_get_ethtool_stats(struct net_device *netdev, + struct ethtool_stats *stats, u64 * data) +{ + struct myri10ge_priv *mgp = netdev_priv(netdev); + int i; + + for (i = 0; i < MYRI10GE_NET_STATS_LEN; i++) + data[i] = ((unsigned long *)&mgp->stats)[i]; + + data[i++] = (unsigned int)mgp->read_dma; + data[i++] = (unsigned int)mgp->write_dma; + data[i++] = (unsigned int)mgp->read_write_dma; + data[i++] = (unsigned int)mgp->serial_number; + data[i++] = (unsigned int)mgp->tx.pkt_start; + data[i++] = (unsigned int)mgp->tx.pkt_done; + data[i++] = (unsigned int)mgp->tx.req; + data[i++] = (unsigned int)mgp->tx.done; + data[i++] = (unsigned int)mgp->rx_small.cnt; + data[i++] = (unsigned int)mgp->rx_big.cnt; + data[i++] = (unsigned int)mgp->wake_queue; + data[i++] = (unsigned int)mgp->stop_queue; + data[i++] = (unsigned int)mgp->watchdog_resets; + data[i++] = (unsigned int)mgp->tx_linearized; + data[i++] = (unsigned int)ntohl(mgp->fw_stats->link_up); + data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_link_overflow); + data[i++] = + (unsigned int)ntohl(mgp->fw_stats->dropped_link_error_or_filtered); + data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_runt); + data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_overrun); + data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_no_small_buffer); + data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_no_big_buffer); +} + +static struct ethtool_ops myri10ge_ethtool_ops = { + .get_settings = myri10ge_get_settings, + .get_drvinfo = myri10ge_get_drvinfo, + .get_coalesce = myri10ge_get_coalesce, + .set_coalesce = myri10ge_set_coalesce, + .get_pauseparam = myri10ge_get_pauseparam, + .set_pauseparam = myri10ge_set_pauseparam, + .get_ringparam = myri10ge_get_ringparam, + .get_rx_csum = myri10ge_get_rx_csum, + .set_rx_csum = myri10ge_set_rx_csum, + .get_tx_csum = ethtool_op_get_tx_csum, + .set_tx_csum = ethtool_op_set_tx_hw_csum, + .get_sg = ethtool_op_get_sg, + .set_sg = ethtool_op_set_sg, +#ifdef NETIF_F_TSO + .get_tso = ethtool_op_get_tso, + .set_tso = ethtool_op_set_tso, +#endif + .get_strings = myri10ge_get_strings, + .get_stats_count = myri10ge_get_stats_count, + .get_ethtool_stats = myri10ge_get_ethtool_stats +}; + +static int myri10ge_allocate_rings(struct net_device *dev) +{ + struct myri10ge_priv *mgp; + struct myri10ge_cmd cmd; + int tx_ring_size, rx_ring_size; + int tx_ring_entries, rx_ring_entries; + int i, status; + size_t bytes; + + mgp = netdev_priv(dev); + + /* get ring sizes */ + + status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_RING_SIZE, &cmd, 0); + tx_ring_size = cmd.data0; + status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_RX_RING_SIZE, &cmd, 0); + rx_ring_size = cmd.data0; + + tx_ring_entries = tx_ring_size / sizeof(struct mcp_kreq_ether_send); + rx_ring_entries = rx_ring_size / sizeof(struct mcp_dma_addr); + mgp->tx.mask = tx_ring_entries - 1; + mgp->rx_small.mask = mgp->rx_big.mask = rx_ring_entries - 1; + + /* allocate the host shadow rings */ + + bytes = 8 + (MYRI10GE_MAX_SEND_DESC_TSO + 4) + * sizeof(*mgp->tx.req_list); + mgp->tx.req_bytes = kzalloc(bytes, GFP_KERNEL); + if (mgp->tx.req_bytes == NULL) + goto abort_with_nothing; + + /* ensure req_list entries are aligned to 8 bytes */ + mgp->tx.req_list = (struct mcp_kreq_ether_send *) + ALIGN((unsigned long)mgp->tx.req_bytes, 8); + + bytes = rx_ring_entries * sizeof(*mgp->rx_small.shadow); + mgp->rx_small.shadow = kzalloc(bytes, GFP_KERNEL); + if (mgp->rx_small.shadow == NULL) + goto abort_with_tx_req_bytes; + + bytes = rx_ring_entries * sizeof(*mgp->rx_big.shadow); + mgp->rx_big.shadow = kzalloc(bytes, GFP_KERNEL); + if (mgp->rx_big.shadow == NULL) + goto abort_with_rx_small_shadow; + + /* allocate the host info rings */ + + bytes = tx_ring_entries * sizeof(*mgp->tx.info); + mgp->tx.info = kzalloc(bytes, GFP_KERNEL); + if (mgp->tx.info == NULL) + goto abort_with_rx_big_shadow; + + bytes = rx_ring_entries * sizeof(*mgp->rx_small.info); + mgp->rx_small.info = kzalloc(bytes, GFP_KERNEL); + if (mgp->rx_small.info == NULL) + goto abort_with_tx_info; + + bytes = rx_ring_entries * sizeof(*mgp->rx_big.info); + mgp->rx_big.info = kzalloc(bytes, GFP_KERNEL); + if (mgp->rx_big.info == NULL) + goto abort_with_rx_small_info; + + /* Fill the receive rings */ + + for (i = 0; i <= mgp->rx_small.mask; i++) { + status = myri10ge_getbuf(&mgp->rx_small, mgp->pdev, + mgp->small_bytes, i); + if (status) { + printk(KERN_ERR + "myri10ge: %s: alloced only %d small bufs\n", + dev->name, i); + goto abort_with_rx_small_ring; + } + } + + for (i = 0; i <= mgp->rx_big.mask; i++) { + status = + myri10ge_getbuf(&mgp->rx_big, mgp->pdev, + dev->mtu + ETH_HLEN, i); + if (status) { + printk(KERN_ERR + "myri10ge: %s: alloced only %d big bufs\n", + dev->name, i); + goto abort_with_rx_big_ring; + } + } + + return 0; + +abort_with_rx_big_ring: + for (i = 0; i <= mgp->rx_big.mask; i++) { + if (mgp->rx_big.info[i].skb != NULL) + dev_kfree_skb_any(mgp->rx_big.info[i].skb); + if (pci_unmap_len(&mgp->rx_big.info[i], len)) + pci_unmap_single(mgp->pdev, + pci_unmap_addr(&mgp->rx_big.info[i], + bus), + pci_unmap_len(&mgp->rx_big.info[i], + len), + PCI_DMA_FROMDEVICE); + } + +abort_with_rx_small_ring: + for (i = 0; i <= mgp->rx_small.mask; i++) { + if (mgp->rx_small.info[i].skb != NULL) + dev_kfree_skb_any(mgp->rx_small.info[i].skb); + if (pci_unmap_len(&mgp->rx_small.info[i], len)) + pci_unmap_single(mgp->pdev, + pci_unmap_addr(&mgp->rx_small.info[i], + bus), + pci_unmap_len(&mgp->rx_small.info[i], + len), + PCI_DMA_FROMDEVICE); + } + kfree(mgp->rx_big.info); + +abort_with_rx_small_info: + kfree(mgp->rx_small.info); + +abort_with_tx_info: + kfree(mgp->tx.info); + +abort_with_rx_big_shadow: + kfree(mgp->rx_big.shadow); + +abort_with_rx_small_shadow: + kfree(mgp->rx_small.shadow); + +abort_with_tx_req_bytes: + kfree(mgp->tx.req_bytes); + mgp->tx.req_bytes = NULL; + mgp->tx.req_list = NULL; + +abort_with_nothing: + return status; +} + +static void myri10ge_free_rings(struct net_device *dev) +{ + struct myri10ge_priv *mgp; + struct sk_buff *skb; + struct myri10ge_tx_buf *tx; + int i, len, idx; + + mgp = netdev_priv(dev); + + for (i = 0; i <= mgp->rx_big.mask; i++) { + if (mgp->rx_big.info[i].skb != NULL) + dev_kfree_skb_any(mgp->rx_big.info[i].skb); + if (pci_unmap_len(&mgp->rx_big.info[i], len)) + pci_unmap_single(mgp->pdev, + pci_unmap_addr(&mgp->rx_big.info[i], + bus), + pci_unmap_len(&mgp->rx_big.info[i], + len), + PCI_DMA_FROMDEVICE); + } + + for (i = 0; i <= mgp->rx_small.mask; i++) { + if (mgp->rx_small.info[i].skb != NULL) + dev_kfree_skb_any(mgp->rx_small.info[i].skb); + if (pci_unmap_len(&mgp->rx_small.info[i], len)) + pci_unmap_single(mgp->pdev, + pci_unmap_addr(&mgp->rx_small.info[i], + bus), + pci_unmap_len(&mgp->rx_small.info[i], + len), + PCI_DMA_FROMDEVICE); + } + + tx = &mgp->tx; + while (tx->done != tx->req) { + idx = tx->done & tx->mask; + skb = tx->info[idx].skb; + + /* Mark as free */ + tx->info[idx].skb = NULL; + tx->done++; + len = pci_unmap_len(&tx->info[idx], len); + pci_unmap_len_set(&tx->info[idx], len, 0); + if (skb) { + mgp->stats.tx_dropped++; + dev_kfree_skb_any(skb); + if (len) + pci_unmap_single(mgp->pdev, + pci_unmap_addr(&tx->info[idx], + bus), len, + PCI_DMA_TODEVICE); + } else { + if (len) + pci_unmap_page(mgp->pdev, + pci_unmap_addr(&tx->info[idx], + bus), len, + PCI_DMA_TODEVICE); + } + } + kfree(mgp->rx_big.info); + + kfree(mgp->rx_small.info); + + kfree(mgp->tx.info); + + kfree(mgp->rx_big.shadow); + + kfree(mgp->rx_small.shadow); + + kfree(mgp->tx.req_bytes); + mgp->tx.req_bytes = NULL; + mgp->tx.req_list = NULL; +} + +static int myri10ge_open(struct net_device *dev) +{ + struct myri10ge_priv *mgp; + struct myri10ge_cmd cmd; + int status, big_pow2; + + mgp = netdev_priv(dev); + + if (mgp->running != MYRI10GE_ETH_STOPPED) + return -EBUSY; + + mgp->running = MYRI10GE_ETH_STARTING; + status = myri10ge_reset(mgp); + if (status != 0) { + printk(KERN_ERR "myri10ge: %s: failed reset\n", dev->name); + mgp->running = MYRI10GE_ETH_STOPPED; + return -ENXIO; + } + + /* decide what small buffer size to use. For good TCP rx + * performance, it is important to not receive 1514 byte + * frames into jumbo buffers, as it confuses the socket buffer + * accounting code, leading to drops and erratic performance. + */ + + if (dev->mtu <= ETH_DATA_LEN) + mgp->small_bytes = 128; /* enough for a TCP header */ + else + mgp->small_bytes = ETH_FRAME_LEN; /* enough for an ETH_DATA_LEN frame */ + + /* Override the small buffer size? */ + if (myri10ge_small_bytes > 0) + mgp->small_bytes = myri10ge_small_bytes; + + /* If the user sets an obscenely small MTU, adjust the small + * bytes down to nearly nothing */ + if (mgp->small_bytes >= (dev->mtu + ETH_HLEN)) + mgp->small_bytes = 64; + + /* get the lanai pointers to the send and receive rings */ + + status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_OFFSET, &cmd, 0); + mgp->tx.lanai = + (struct mcp_kreq_ether_send __iomem *)(mgp->sram + cmd.data0); + + status |= + myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SMALL_RX_OFFSET, &cmd, 0); + mgp->rx_small.lanai = + (struct mcp_kreq_ether_recv __iomem *)(mgp->sram + cmd.data0); + + status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_BIG_RX_OFFSET, &cmd, 0); + mgp->rx_big.lanai = + (struct mcp_kreq_ether_recv __iomem *)(mgp->sram + cmd.data0); + + if (status != 0) { + printk(KERN_ERR + "myri10ge: %s: failed to get ring sizes or locations\n", + dev->name); + mgp->running = MYRI10GE_ETH_STOPPED; + return -ENXIO; + } + + if (mgp->mtrr >= 0) { + mgp->tx.wc_fifo = (u8 __iomem *) mgp->sram + 0x200000; + mgp->rx_small.wc_fifo = (u8 __iomem *) mgp->sram + 0x300000; + mgp->rx_big.wc_fifo = (u8 __iomem *) mgp->sram + 0x340000; + } else { + mgp->tx.wc_fifo = NULL; + mgp->rx_small.wc_fifo = NULL; + mgp->rx_big.wc_fifo = NULL; + } + + status = myri10ge_allocate_rings(dev); + if (status != 0) + goto abort_with_nothing; + + /* Firmware needs the big buff size as a power of 2. Lie and + * tell him the buffer is larger, because we only use 1 + * buffer/pkt, and the mtu will prevent overruns. + */ + big_pow2 = dev->mtu + ETH_HLEN + MXGEFW_PAD; + while ((big_pow2 & (big_pow2 - 1)) != 0) + big_pow2++; + + /* now give firmware buffers sizes, and MTU */ + cmd.data0 = dev->mtu + ETH_HLEN + VLAN_HLEN; + status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_MTU, &cmd, 0); + cmd.data0 = mgp->small_bytes; + status |= + myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_SMALL_BUFFER_SIZE, &cmd, 0); + cmd.data0 = big_pow2; + status |= + myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_BIG_BUFFER_SIZE, &cmd, 0); + if (status) { + printk(KERN_ERR "myri10ge: %s: Couldn't set buffer sizes\n", + dev->name); + goto abort_with_rings; + } + + cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->fw_stats_bus); + cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->fw_stats_bus); + status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_STATS_DMA, &cmd, 0); + if (status) { + printk(KERN_ERR "myri10ge: %s: Couldn't set stats DMA\n", + dev->name); + goto abort_with_rings; + } + + mgp->link_state = -1; + mgp->rdma_tags_available = 15; + + netif_poll_enable(mgp->dev); /* must happen prior to any irq */ + + status = myri10ge_send_cmd(mgp, MXGEFW_CMD_ETHERNET_UP, &cmd, 0); + if (status) { + printk(KERN_ERR "myri10ge: %s: Couldn't bring up link\n", + dev->name); + goto abort_with_rings; + } + + mgp->wake_queue = 0; + mgp->stop_queue = 0; + mgp->running = MYRI10GE_ETH_RUNNING; + mgp->watchdog_timer.expires = jiffies + myri10ge_watchdog_timeout * HZ; + add_timer(&mgp->watchdog_timer); + netif_wake_queue(dev); + return 0; + +abort_with_rings: + myri10ge_free_rings(dev); + +abort_with_nothing: + mgp->running = MYRI10GE_ETH_STOPPED; + return -ENOMEM; +} + +static int myri10ge_close(struct net_device *dev) +{ + struct myri10ge_priv *mgp; + struct myri10ge_cmd cmd; + int status, old_down_cnt; + + mgp = netdev_priv(dev); + + if (mgp->running != MYRI10GE_ETH_RUNNING) + return 0; + + if (mgp->tx.req_bytes == NULL) + return 0; + + del_timer_sync(&mgp->watchdog_timer); + mgp->running = MYRI10GE_ETH_STOPPING; + netif_poll_disable(mgp->dev); + netif_carrier_off(dev); + netif_stop_queue(dev); + old_down_cnt = mgp->down_cnt; + mb(); + status = myri10ge_send_cmd(mgp, MXGEFW_CMD_ETHERNET_DOWN, &cmd, 0); + if (status) + printk(KERN_ERR "myri10ge: %s: Couldn't bring down link\n", + dev->name); + + wait_event_timeout(mgp->down_wq, old_down_cnt != mgp->down_cnt, HZ); + if (old_down_cnt == mgp->down_cnt) + printk(KERN_ERR "myri10ge: %s never got down irq\n", dev->name); + + netif_tx_disable(dev); + + myri10ge_free_rings(dev); + + mgp->running = MYRI10GE_ETH_STOPPED; + return 0; +} + +/* copy an array of struct mcp_kreq_ether_send's to the mcp. Copy + * backwards one at a time and handle ring wraps */ + +static inline void +myri10ge_submit_req_backwards(struct myri10ge_tx_buf *tx, + struct mcp_kreq_ether_send *src, int cnt) +{ + int idx, starting_slot; + starting_slot = tx->req; + while (cnt > 1) { + cnt--; + idx = (starting_slot + cnt) & tx->mask; + myri10ge_pio_copy(&tx->lanai[idx], &src[cnt], sizeof(*src)); + mb(); + } +} + +/* + * copy an array of struct mcp_kreq_ether_send's to the mcp. Copy + * at most 32 bytes at a time, so as to avoid involving the software + * pio handler in the nic. We re-write the first segment's flags + * to mark them valid only after writing the entire chain. + */ + +static inline void +myri10ge_submit_req(struct myri10ge_tx_buf *tx, struct mcp_kreq_ether_send *src, + int cnt) +{ + int idx, i; + struct mcp_kreq_ether_send __iomem *dstp, *dst; + struct mcp_kreq_ether_send *srcp; + u8 last_flags; + + idx = tx->req & tx->mask; + + last_flags = src->flags; + src->flags = 0; + mb(); + dst = dstp = &tx->lanai[idx]; + srcp = src; + + if ((idx + cnt) < tx->mask) { + for (i = 0; i < (cnt - 1); i += 2) { + myri10ge_pio_copy(dstp, srcp, 2 * sizeof(*src)); + mb(); /* force write every 32 bytes */ + srcp += 2; + dstp += 2; + } + } else { + /* submit all but the first request, and ensure + * that it is submitted below */ + myri10ge_submit_req_backwards(tx, src, cnt); + i = 0; + } + if (i < cnt) { + /* submit the first request */ + myri10ge_pio_copy(dstp, srcp, sizeof(*src)); + mb(); /* barrier before setting valid flag */ + } + + /* re-write the last 32-bits with the valid flags */ + src->flags = last_flags; + __raw_writel(*((u32 *) src + 3), (u32 __iomem *) dst + 3); + tx->req += cnt; + mb(); +} + +static inline void +myri10ge_submit_req_wc(struct myri10ge_tx_buf *tx, + struct mcp_kreq_ether_send *src, int cnt) +{ + tx->req += cnt; + mb(); + while (cnt >= 4) { + myri10ge_pio_copy(tx->wc_fifo, src, 64); + mb(); + src += 4; + cnt -= 4; + } + if (cnt > 0) { + /* pad it to 64 bytes. The src is 64 bytes bigger than it + * needs to be so that we don't overrun it */ + myri10ge_pio_copy(tx->wc_fifo + (cnt << 18), src, 64); + mb(); + } +} + +/* + * Transmit a packet. We need to split the packet so that a single + * segment does not cross myri10ge->tx.boundary, so this makes segment + * counting tricky. So rather than try to count segments up front, we + * just give up if there are too few segments to hold a reasonably + * fragmented packet currently available. If we run + * out of segments while preparing a packet for DMA, we just linearize + * it and try again. + */ + +static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct myri10ge_priv *mgp = netdev_priv(dev); + struct mcp_kreq_ether_send *req; + struct myri10ge_tx_buf *tx = &mgp->tx; + struct skb_frag_struct *frag; + dma_addr_t bus; + u32 low, high_swapped; + unsigned int len; + int idx, last_idx, avail, frag_cnt, frag_idx, count, mss, max_segments; + u16 pseudo_hdr_offset, cksum_offset; + int cum_len, seglen, boundary, rdma_count; + u8 flags, odd_flag; + +again: + req = tx->req_list; + avail = tx->mask - 1 - (tx->req - tx->done); + + mss = 0; + max_segments = MXGEFW_MAX_SEND_DESC; + +#ifdef NETIF_F_TSO + if (skb->len > (dev->mtu + ETH_HLEN)) { + mss = skb_shinfo(skb)->tso_size; + if (mss != 0) + max_segments = MYRI10GE_MAX_SEND_DESC_TSO; + } +#endif /*NETIF_F_TSO */ + + if ((unlikely(avail < max_segments))) { + /* we are out of transmit resources */ + mgp->stop_queue++; + netif_stop_queue(dev); + return 1; + } + + /* Setup checksum offloading, if needed */ + cksum_offset = 0; + pseudo_hdr_offset = 0; + odd_flag = 0; + flags = (MXGEFW_FLAGS_NO_TSO | MXGEFW_FLAGS_FIRST); + if (likely(skb->ip_summed == CHECKSUM_HW)) { + cksum_offset = (skb->h.raw - skb->data); + pseudo_hdr_offset = (skb->h.raw + skb->csum) - skb->data; + /* If the headers are excessively large, then we must + * fall back to a software checksum */ + if (unlikely(cksum_offset > 255 || pseudo_hdr_offset > 127)) { + if (skb_checksum_help(skb, 0)) + goto drop; + cksum_offset = 0; + pseudo_hdr_offset = 0; + } else { + pseudo_hdr_offset = htons(pseudo_hdr_offset); + odd_flag = MXGEFW_FLAGS_ALIGN_ODD; + flags |= MXGEFW_FLAGS_CKSUM; + } + } + + cum_len = 0; + +#ifdef NETIF_F_TSO + if (mss) { /* TSO */ + /* this removes any CKSUM flag from before */ + flags = (MXGEFW_FLAGS_TSO_HDR | MXGEFW_FLAGS_FIRST); + + /* negative cum_len signifies to the + * send loop that we are still in the + * header portion of the TSO packet. + * TSO header must be at most 134 bytes long */ + cum_len = -((skb->h.raw - skb->data) + (skb->h.th->doff << 2)); + + /* for TSO, pseudo_hdr_offset holds mss. + * The firmware figures out where to put + * the checksum by parsing the header. */ + pseudo_hdr_offset = htons(mss); + } else +#endif /*NETIF_F_TSO */ + /* Mark small packets, and pad out tiny packets */ + if (skb->len <= MXGEFW_SEND_SMALL_SIZE) { + flags |= MXGEFW_FLAGS_SMALL; + + /* pad frames to at least ETH_ZLEN bytes */ + if (unlikely(skb->len < ETH_ZLEN)) { + skb = skb_padto(skb, ETH_ZLEN); + if (skb == NULL) { + /* The packet is gone, so we must + * return 0 */ + mgp->stats.tx_dropped += 1; + return 0; + } + /* adjust the len to account for the zero pad + * so that the nic can know how long it is */ + skb->len = ETH_ZLEN; + } + } + + /* map the skb for DMA */ + len = skb->len - skb->data_len; + idx = tx->req & tx->mask; + tx->info[idx].skb = skb; + bus = pci_map_single(mgp->pdev, skb->data, len, PCI_DMA_TODEVICE); + pci_unmap_addr_set(&tx->info[idx], bus, bus); + pci_unmap_len_set(&tx->info[idx], len, len); + + frag_cnt = skb_shinfo(skb)->nr_frags; + frag_idx = 0; + count = 0; + rdma_count = 0; + + /* "rdma_count" is the number of RDMAs belonging to the + * current packet BEFORE the current send request. For + * non-TSO packets, this is equal to "count". + * For TSO packets, rdma_count needs to be reset + * to 0 after a segment cut. + * + * The rdma_count field of the send request is + * the number of RDMAs of the packet starting at + * that request. For TSO send requests with one ore more cuts + * in the middle, this is the number of RDMAs starting + * after the last cut in the request. All previous + * segments before the last cut implicitly have 1 RDMA. + * + * Since the number of RDMAs is not known beforehand, + * it must be filled-in retroactively - after each + * segmentation cut or at the end of the entire packet. + */ + + while (1) { + /* Break the SKB or Fragment up into pieces which + * do not cross mgp->tx.boundary */ + low = MYRI10GE_LOWPART_TO_U32(bus); + high_swapped = htonl(MYRI10GE_HIGHPART_TO_U32(bus)); + while (len) { + u8 flags_next; + int cum_len_next; + + if (unlikely(count == max_segments)) + goto abort_linearize; + + boundary = (low + tx->boundary) & ~(tx->boundary - 1); + seglen = boundary - low; + if (seglen > len) + seglen = len; + flags_next = flags & ~MXGEFW_FLAGS_FIRST; + cum_len_next = cum_len + seglen; +#ifdef NETIF_F_TSO + if (mss) { /* TSO */ + (req - rdma_count)->rdma_count = rdma_count + 1; + + if (likely(cum_len >= 0)) { /* payload */ + int next_is_first, chop; + + chop = (cum_len_next > mss); + cum_len_next = cum_len_next % mss; + next_is_first = (cum_len_next == 0); + flags |= chop * MXGEFW_FLAGS_TSO_CHOP; + flags_next |= next_is_first * + MXGEFW_FLAGS_FIRST; + rdma_count |= -(chop | next_is_first); + rdma_count += chop & !next_is_first; + } else if (likely(cum_len_next >= 0)) { /* header ends */ + int small; + + rdma_count = -1; + cum_len_next = 0; + seglen = -cum_len; + small = (mss <= MXGEFW_SEND_SMALL_SIZE); + flags_next = MXGEFW_FLAGS_TSO_PLD | + MXGEFW_FLAGS_FIRST | + (small * MXGEFW_FLAGS_SMALL); + } + } +#endif /* NETIF_F_TSO */ + req->addr_high = high_swapped; + req->addr_low = htonl(low); + req->pseudo_hdr_offset = pseudo_hdr_offset; + req->pad = 0; /* complete solid 16-byte block; does this matter? */ + req->rdma_count = 1; + req->length = htons(seglen); + req->cksum_offset = cksum_offset; + req->flags = flags | ((cum_len & 1) * odd_flag); + + low += seglen; + len -= seglen; + cum_len = cum_len_next; + flags = flags_next; + req++; + count++; + rdma_count++; + if (unlikely(cksum_offset > seglen)) + cksum_offset -= seglen; + else + cksum_offset = 0; + } + if (frag_idx == frag_cnt) + break; + + /* map next fragment for DMA */ + idx = (count + tx->req) & tx->mask; + frag = &skb_shinfo(skb)->frags[frag_idx]; + frag_idx++; + len = frag->size; + bus = pci_map_page(mgp->pdev, frag->page, frag->page_offset, + len, PCI_DMA_TODEVICE); + pci_unmap_addr_set(&tx->info[idx], bus, bus); + pci_unmap_len_set(&tx->info[idx], len, len); + } + + (req - rdma_count)->rdma_count = rdma_count; +#ifdef NETIF_F_TSO + if (mss) + do { + req--; + req->flags |= MXGEFW_FLAGS_TSO_LAST; + } while (!(req->flags & (MXGEFW_FLAGS_TSO_CHOP | + MXGEFW_FLAGS_FIRST))); +#endif + idx = ((count - 1) + tx->req) & tx->mask; + tx->info[idx].last = 1; + if (tx->wc_fifo == NULL) + myri10ge_submit_req(tx, tx->req_list, count); + else + myri10ge_submit_req_wc(tx, tx->req_list, count); + tx->pkt_start++; + if ((avail - count) < MXGEFW_MAX_SEND_DESC) { + mgp->stop_queue++; + netif_stop_queue(dev); + } + dev->trans_start = jiffies; + return 0; + +abort_linearize: + /* Free any DMA resources we've alloced and clear out the skb + * slot so as to not trip up assertions, and to avoid a + * double-free if linearizing fails */ + + last_idx = (idx + 1) & tx->mask; + idx = tx->req & tx->mask; + tx->info[idx].skb = NULL; + do { + len = pci_unmap_len(&tx->info[idx], len); + if (len) { + if (tx->info[idx].skb != NULL) + pci_unmap_single(mgp->pdev, + pci_unmap_addr(&tx->info[idx], + bus), len, + PCI_DMA_TODEVICE); + else + pci_unmap_page(mgp->pdev, + pci_unmap_addr(&tx->info[idx], + bus), len, + PCI_DMA_TODEVICE); + pci_unmap_len_set(&tx->info[idx], len, 0); + tx->info[idx].skb = NULL; + } + idx = (idx + 1) & tx->mask; + } while (idx != last_idx); + if (skb_shinfo(skb)->tso_size) { + printk(KERN_ERR + "myri10ge: %s: TSO but wanted to linearize?!?!?\n", + mgp->dev->name); + goto drop; + } + + if (skb_linearize(skb, GFP_ATOMIC)) + goto drop; + + mgp->tx_linearized++; + goto again; + +drop: + dev_kfree_skb_any(skb); + mgp->stats.tx_dropped += 1; + return 0; + +} + +static struct net_device_stats *myri10ge_get_stats(struct net_device *dev) +{ + struct myri10ge_priv *mgp = netdev_priv(dev); + return &mgp->stats; +} + +static void myri10ge_set_multicast_list(struct net_device *dev) +{ + /* can be called from atomic contexts, + * pass 1 to force atomicity in myri10ge_send_cmd() */ + myri10ge_change_promisc(netdev_priv(dev), dev->flags & IFF_PROMISC, 1); +} + +static int myri10ge_set_mac_address(struct net_device *dev, void *addr) +{ + struct sockaddr *sa = addr; + struct myri10ge_priv *mgp = netdev_priv(dev); + int status; + + if (!is_valid_ether_addr(sa->sa_data)) + return -EADDRNOTAVAIL; + + status = myri10ge_update_mac_address(mgp, sa->sa_data); + if (status != 0) { + printk(KERN_ERR + "myri10ge: %s: changing mac address failed with %d\n", + dev->name, status); + return status; + } + + /* change the dev structure */ + memcpy(dev->dev_addr, sa->sa_data, 6); + return 0; +} + +static int myri10ge_change_mtu(struct net_device *dev, int new_mtu) +{ + struct myri10ge_priv *mgp = netdev_priv(dev); + int error = 0; + + if ((new_mtu < 68) || (ETH_HLEN + new_mtu > MYRI10GE_MAX_ETHER_MTU)) { + printk(KERN_ERR "myri10ge: %s: new mtu (%d) is not valid\n", + dev->name, new_mtu); + return -EINVAL; + } + printk(KERN_INFO "%s: changing mtu from %d to %d\n", + dev->name, dev->mtu, new_mtu); + if (mgp->running) { + /* if we change the mtu on an active device, we must + * reset the device so the firmware sees the change */ + myri10ge_close(dev); + dev->mtu = new_mtu; + myri10ge_open(dev); + } else + dev->mtu = new_mtu; + + return error; +} + +/* + * Enable ECRC to align PCI-E Completion packets on an 8-byte boundary. + * Only do it if the bridge is a root port since we don't want to disturb + * any other device, except if forced with myri10ge_ecrc_enable > 1. + */ + +#define PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_PCIE 0x005d + +static void myri10ge_enable_ecrc(struct myri10ge_priv *mgp) +{ + struct pci_dev *bridge = mgp->pdev->bus->self; + struct device *dev = &mgp->pdev->dev; + unsigned cap; + unsigned err_cap; + u16 val; + u8 ext_type; + int ret; + + if (!myri10ge_ecrc_enable || !bridge) + return; + + /* check that the bridge is a root port */ + cap = pci_find_capability(bridge, PCI_CAP_ID_EXP); + pci_read_config_word(bridge, cap + PCI_CAP_FLAGS, &val); + ext_type = (val & PCI_EXP_FLAGS_TYPE) >> 4; + if (ext_type != PCI_EXP_TYPE_ROOT_PORT) { + if (myri10ge_ecrc_enable > 1) { + struct pci_dev *old_bridge = bridge; + + /* Walk the hierarchy up to the root port + * where ECRC has to be enabled */ + do { + bridge = bridge->bus->self; + if (!bridge) { + dev_err(dev, + "Failed to find root port" + " to force ECRC\n"); + return; + } + cap = + pci_find_capability(bridge, PCI_CAP_ID_EXP); + pci_read_config_word(bridge, + cap + PCI_CAP_FLAGS, &val); + ext_type = (val & PCI_EXP_FLAGS_TYPE) >> 4; + } while (ext_type != PCI_EXP_TYPE_ROOT_PORT); + + dev_info(dev, + "Forcing ECRC on non-root port %s" + " (enabling on root port %s)\n", + pci_name(old_bridge), pci_name(bridge)); + } else { + dev_err(dev, + "Not enabling ECRC on non-root port %s\n", + pci_name(bridge)); + return; + } + } + + cap = pci_find_ext_capability(bridge, PCI_EXT_CAP_ID_ERR); + /* nvidia ext cap is not always linked in ext cap chain */ + if (!cap + && bridge->vendor == PCI_VENDOR_ID_NVIDIA + && bridge->device == PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_PCIE) + cap = 0x160; + + if (!cap) + return; + + ret = pci_read_config_dword(bridge, cap + PCI_ERR_CAP, &err_cap); + if (ret) { + dev_err(dev, "failed reading ext-conf-space of %s\n", + pci_name(bridge)); + dev_err(dev, "\t pci=nommconf in use? " + "or buggy/incomplete/absent ACPI MCFG attr?\n"); + return; + } + if (!(err_cap & PCI_ERR_CAP_ECRC_GENC)) + return; + + err_cap |= PCI_ERR_CAP_ECRC_GENE; + pci_write_config_dword(bridge, cap + PCI_ERR_CAP, err_cap); + dev_info(dev, "Enabled ECRC on upstream bridge %s\n", pci_name(bridge)); + mgp->tx.boundary = 4096; + mgp->fw_name = myri10ge_fw_aligned; +} + +/* + * The Lanai Z8E PCI-E interface achieves higher Read-DMA throughput + * when the PCI-E Completion packets are aligned on an 8-byte + * boundary. Some PCI-E chip sets always align Completion packets; on + * the ones that do not, the alignment can be enforced by enabling + * ECRC generation (if supported). + * + * When PCI-E Completion packets are not aligned, it is actually more + * efficient to limit Read-DMA transactions to 2KB, rather than 4KB. + * + * If the driver can neither enable ECRC nor verify that it has + * already been enabled, then it must use a firmware image which works + * around unaligned completion packets (myri10ge_ethp_z8e.dat), and it + * should also ensure that it never gives the device a Read-DMA which is + * larger than 2KB by setting the tx.boundary to 2KB. If ECRC is + * enabled, then the driver should use the aligned (myri10ge_eth_z8e.dat) + * firmware image, and set tx.boundary to 4KB. + */ + +#define PCI_DEVICE_ID_SERVERWORKS_HT2000_PCIE 0x0132 + +static void myri10ge_select_firmware(struct myri10ge_priv *mgp) +{ + struct pci_dev *bridge = mgp->pdev->bus->self; + + mgp->tx.boundary = 2048; + mgp->fw_name = myri10ge_fw_unaligned; + + if (myri10ge_force_firmware == 0) { + myri10ge_enable_ecrc(mgp); + + /* Check to see if the upstream bridge is known to + * provide aligned completions */ + if (bridge + /* ServerWorks HT2000/HT1000 */ + && bridge->vendor == PCI_VENDOR_ID_SERVERWORKS + && bridge->device == + PCI_DEVICE_ID_SERVERWORKS_HT2000_PCIE) { + dev_info(&mgp->pdev->dev, + "Assuming aligned completions (0x%x:0x%x)\n", + bridge->vendor, bridge->device); + mgp->tx.boundary = 4096; + mgp->fw_name = myri10ge_fw_aligned; + } + } else { + if (myri10ge_force_firmware == 1) { + dev_info(&mgp->pdev->dev, + "Assuming aligned completions (forced)\n"); + mgp->tx.boundary = 4096; + mgp->fw_name = myri10ge_fw_aligned; + } else { + dev_info(&mgp->pdev->dev, + "Assuming unaligned completions (forced)\n"); + mgp->tx.boundary = 2048; + mgp->fw_name = myri10ge_fw_unaligned; + } + } + if (myri10ge_fw_name != NULL) { + dev_info(&mgp->pdev->dev, "overriding firmware to %s\n", + myri10ge_fw_name); + mgp->fw_name = myri10ge_fw_name; + } +} + +static void myri10ge_save_state(struct myri10ge_priv *mgp) +{ + struct pci_dev *pdev = mgp->pdev; + int cap; + + pci_save_state(pdev); + /* now save PCIe and MSI state that Linux will not + * save for us */ + cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); + pci_read_config_dword(pdev, cap + PCI_EXP_DEVCTL, &mgp->devctl); + cap = pci_find_capability(pdev, PCI_CAP_ID_MSI); + pci_read_config_word(pdev, cap + PCI_MSI_FLAGS, &mgp->msi_flags); +} + +static void myri10ge_restore_state(struct myri10ge_priv *mgp) +{ + struct pci_dev *pdev = mgp->pdev; + int cap; + + /* restore PCIe and MSI state that linux will not */ + cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); + pci_write_config_dword(pdev, cap + PCI_CAP_ID_EXP, mgp->devctl); + cap = pci_find_capability(pdev, PCI_CAP_ID_MSI); + pci_write_config_word(pdev, cap + PCI_MSI_FLAGS, mgp->msi_flags); + + pci_restore_state(pdev); +} + +#ifdef CONFIG_PM + +static int myri10ge_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct myri10ge_priv *mgp; + struct net_device *netdev; + + mgp = pci_get_drvdata(pdev); + if (mgp == NULL) + return -EINVAL; + netdev = mgp->dev; + + netif_device_detach(netdev); + if (netif_running(netdev)) { + printk(KERN_INFO "myri10ge: closing %s\n", netdev->name); + rtnl_lock(); + myri10ge_close(netdev); + rtnl_unlock(); + } + myri10ge_dummy_rdma(mgp, 0); + free_irq(pdev->irq, mgp); + myri10ge_save_state(mgp); + pci_disable_device(pdev); + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + return 0; +} + +static int myri10ge_resume(struct pci_dev *pdev) +{ + struct myri10ge_priv *mgp; + struct net_device *netdev; + int status; + u16 vendor; + + mgp = pci_get_drvdata(pdev); + if (mgp == NULL) + return -EINVAL; + netdev = mgp->dev; + pci_set_power_state(pdev, 0); /* zeros conf space as a side effect */ + msleep(5); /* give card time to respond */ + pci_read_config_word(mgp->pdev, PCI_VENDOR_ID, &vendor); + if (vendor == 0xffff) { + printk(KERN_ERR "myri10ge: %s: device disappeared!\n", + mgp->dev->name); + return -EIO; + } + myri10ge_restore_state(mgp); + pci_enable_device(pdev); + pci_set_master(pdev); + + status = request_irq(pdev->irq, myri10ge_intr, SA_SHIRQ, + netdev->name, mgp); + if (status != 0) { + dev_err(&pdev->dev, "failed to allocate IRQ\n"); + goto abort_with_msi; + } + + myri10ge_reset(mgp); + myri10ge_dummy_rdma(mgp, mgp->tx.boundary != 4096); + + /* Save configuration space to be restored if the + * nic resets due to a parity error */ + myri10ge_save_state(mgp); + + if (netif_running(netdev)) { + rtnl_lock(); + myri10ge_open(netdev); + rtnl_unlock(); + } + netif_device_attach(netdev); + + return 0; + +abort_with_msi: + return -EIO; + +} + +#endif /* CONFIG_PM */ + +static u32 myri10ge_read_reboot(struct myri10ge_priv *mgp) +{ + struct pci_dev *pdev = mgp->pdev; + int vs = mgp->vendor_specific_offset; + u32 reboot; + + /*enter read32 mode */ + pci_write_config_byte(pdev, vs + 0x10, 0x3); + + /*read REBOOT_STATUS (0xfffffff0) */ + pci_write_config_dword(pdev, vs + 0x18, 0xfffffff0); + pci_read_config_dword(pdev, vs + 0x14, &reboot); + return reboot; +} + +/* + * This watchdog is used to check whether the board has suffered + * from a parity error and needs to be recovered. + */ +static void myri10ge_watchdog(void *arg) +{ + struct myri10ge_priv *mgp = arg; + u32 reboot; + int status; + u16 cmd, vendor; + + mgp->watchdog_resets++; + pci_read_config_word(mgp->pdev, PCI_COMMAND, &cmd); + if ((cmd & PCI_COMMAND_MASTER) == 0) { + /* Bus master DMA disabled? Check to see + * if the card rebooted due to a parity error + * For now, just report it */ + reboot = myri10ge_read_reboot(mgp); + printk(KERN_ERR + "myri10ge: %s: NIC rebooted (0x%x), resetting\n", + mgp->dev->name, reboot); + /* + * A rebooted nic will come back with config space as + * it was after power was applied to PCIe bus. + * Attempt to restore config space which was saved + * when the driver was loaded, or the last time the + * nic was resumed from power saving mode. + */ + myri10ge_restore_state(mgp); + } else { + /* if we get back -1's from our slot, perhaps somebody + * powered off our card. Don't try to reset it in + * this case */ + if (cmd == 0xffff) { + pci_read_config_word(mgp->pdev, PCI_VENDOR_ID, &vendor); + if (vendor == 0xffff) { + printk(KERN_ERR + "myri10ge: %s: device disappeared!\n", + mgp->dev->name); + return; + } + } + /* Perhaps it is a software error. Try to reset */ + + printk(KERN_ERR "myri10ge: %s: device timeout, resetting\n", + mgp->dev->name); + printk(KERN_INFO "myri10ge: %s: %d %d %d %d %d\n", + mgp->dev->name, mgp->tx.req, mgp->tx.done, + mgp->tx.pkt_start, mgp->tx.pkt_done, + (int)ntohl(mgp->fw_stats->send_done_count)); + msleep(2000); + printk(KERN_INFO "myri10ge: %s: %d %d %d %d %d\n", + mgp->dev->name, mgp->tx.req, mgp->tx.done, + mgp->tx.pkt_start, mgp->tx.pkt_done, + (int)ntohl(mgp->fw_stats->send_done_count)); + } + rtnl_lock(); + myri10ge_close(mgp->dev); + status = myri10ge_load_firmware(mgp); + if (status != 0) + printk(KERN_ERR "myri10ge: %s: failed to load firmware\n", + mgp->dev->name); + else + myri10ge_open(mgp->dev); + rtnl_unlock(); +} + +/* + * We use our own timer routine rather than relying upon + * netdev->tx_timeout because we have a very large hardware transmit + * queue. Due to the large queue, the netdev->tx_timeout function + * cannot detect a NIC with a parity error in a timely fashion if the + * NIC is lightly loaded. + */ +static void myri10ge_watchdog_timer(unsigned long arg) +{ + struct myri10ge_priv *mgp; + + mgp = (struct myri10ge_priv *)arg; + if (mgp->tx.req != mgp->tx.done && + mgp->tx.done == mgp->watchdog_tx_done) + /* nic seems like it might be stuck.. */ + schedule_work(&mgp->watchdog_work); + else + /* rearm timer */ + mod_timer(&mgp->watchdog_timer, + jiffies + myri10ge_watchdog_timeout * HZ); + + mgp->watchdog_tx_done = mgp->tx.done; +} + +static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + struct net_device *netdev; + struct myri10ge_priv *mgp; + struct device *dev = &pdev->dev; + size_t bytes; + int i; + int status = -ENXIO; + int cap; + int dac_enabled; + u16 val; + + netdev = alloc_etherdev(sizeof(*mgp)); + if (netdev == NULL) { + dev_err(dev, "Could not allocate ethernet device\n"); + return -ENOMEM; + } + + mgp = netdev_priv(netdev); + memset(mgp, 0, sizeof(*mgp)); + mgp->dev = netdev; + mgp->pdev = pdev; + mgp->csum_flag = MXGEFW_FLAGS_CKSUM; + mgp->pause = myri10ge_flow_control; + mgp->intr_coal_delay = myri10ge_intr_coal_delay; + init_waitqueue_head(&mgp->down_wq); + + if (pci_enable_device(pdev)) { + dev_err(&pdev->dev, "pci_enable_device call failed\n"); + status = -ENODEV; + goto abort_with_netdev; + } + myri10ge_select_firmware(mgp); + + /* Find the vendor-specific cap so we can check + * the reboot register later on */ + mgp->vendor_specific_offset + = pci_find_capability(pdev, PCI_CAP_ID_VNDR); + + /* Set our max read request to 4KB */ + cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); + if (cap < 64) { + dev_err(&pdev->dev, "Bad PCI_CAP_ID_EXP location %d\n", cap); + goto abort_with_netdev; + } + status = pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &val); + if (status != 0) { + dev_err(&pdev->dev, "Error %d reading PCI_EXP_DEVCTL\n", + status); + goto abort_with_netdev; + } + val = (val & ~PCI_EXP_DEVCTL_READRQ) | (5 << 12); + status = pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, val); + if (status != 0) { + dev_err(&pdev->dev, "Error %d writing PCI_EXP_DEVCTL\n", + status); + goto abort_with_netdev; + } + + pci_set_master(pdev); + dac_enabled = 1; + status = pci_set_dma_mask(pdev, DMA_64BIT_MASK); + if (status != 0) { + dac_enabled = 0; + dev_err(&pdev->dev, + "64-bit pci address mask was refused, trying 32-bit"); + status = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + } + if (status != 0) { + dev_err(&pdev->dev, "Error %d setting DMA mask\n", status); + goto abort_with_netdev; + } + mgp->cmd = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->cmd), + &mgp->cmd_bus, GFP_KERNEL); + if (mgp->cmd == NULL) + goto abort_with_netdev; + + mgp->fw_stats = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->fw_stats), + &mgp->fw_stats_bus, GFP_KERNEL); + if (mgp->fw_stats == NULL) + goto abort_with_cmd; + + mgp->board_span = pci_resource_len(pdev, 0); + mgp->iomem_base = pci_resource_start(pdev, 0); + mgp->mtrr = -1; +#ifdef CONFIG_MTRR + mgp->mtrr = mtrr_add(mgp->iomem_base, mgp->board_span, + MTRR_TYPE_WRCOMB, 1); +#endif + /* Hack. need to get rid of these magic numbers */ + mgp->sram_size = + 2 * 1024 * 1024 - (2 * (48 * 1024) + (32 * 1024)) - 0x100; + if (mgp->sram_size > mgp->board_span) { + dev_err(&pdev->dev, "board span %ld bytes too small\n", + mgp->board_span); + goto abort_with_wc; + } + mgp->sram = ioremap(mgp->iomem_base, mgp->board_span); + if (mgp->sram == NULL) { + dev_err(&pdev->dev, "ioremap failed for %ld bytes at 0x%lx\n", + mgp->board_span, mgp->iomem_base); + status = -ENXIO; + goto abort_with_wc; + } + memcpy_fromio(mgp->eeprom_strings, + mgp->sram + mgp->sram_size - MYRI10GE_EEPROM_STRINGS_SIZE, + MYRI10GE_EEPROM_STRINGS_SIZE); + memset(mgp->eeprom_strings + MYRI10GE_EEPROM_STRINGS_SIZE - 2, 0, 2); + status = myri10ge_read_mac_addr(mgp); + if (status) + goto abort_with_ioremap; + + for (i = 0; i < ETH_ALEN; i++) + netdev->dev_addr[i] = mgp->mac_addr[i]; + + /* allocate rx done ring */ + bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry); + mgp->rx_done.entry = dma_alloc_coherent(&pdev->dev, bytes, + &mgp->rx_done.bus, GFP_KERNEL); + if (mgp->rx_done.entry == NULL) + goto abort_with_ioremap; + memset(mgp->rx_done.entry, 0, bytes); + + status = myri10ge_load_firmware(mgp); + if (status != 0) { + dev_err(&pdev->dev, "failed to load firmware\n"); + goto abort_with_rx_done; + } + + status = myri10ge_reset(mgp); + if (status != 0) { + dev_err(&pdev->dev, "failed reset\n"); + goto abort_with_firmware; + } + + if (myri10ge_msi) { + status = pci_enable_msi(pdev); + if (status != 0) + dev_err(&pdev->dev, + "Error %d setting up MSI; falling back to xPIC\n", + status); + else + mgp->msi_enabled = 1; + } + + status = request_irq(pdev->irq, myri10ge_intr, SA_SHIRQ, + netdev->name, mgp); + if (status != 0) { + dev_err(&pdev->dev, "failed to allocate IRQ\n"); + goto abort_with_firmware; + } + + pci_set_drvdata(pdev, mgp); + if ((myri10ge_initial_mtu + ETH_HLEN) > MYRI10GE_MAX_ETHER_MTU) + myri10ge_initial_mtu = MYRI10GE_MAX_ETHER_MTU - ETH_HLEN; + if ((myri10ge_initial_mtu + ETH_HLEN) < 68) + myri10ge_initial_mtu = 68; + netdev->mtu = myri10ge_initial_mtu; + netdev->open = myri10ge_open; + netdev->stop = myri10ge_close; + netdev->hard_start_xmit = myri10ge_xmit; + netdev->get_stats = myri10ge_get_stats; + netdev->base_addr = mgp->iomem_base; + netdev->irq = pdev->irq; + netdev->change_mtu = myri10ge_change_mtu; + netdev->set_multicast_list = myri10ge_set_multicast_list; + netdev->set_mac_address = myri10ge_set_mac_address; + netdev->features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO; + if (dac_enabled) + netdev->features |= NETIF_F_HIGHDMA; + netdev->poll = myri10ge_poll; + netdev->weight = myri10ge_napi_weight; + + /* Save configuration space to be restored if the + * nic resets due to a parity error */ + myri10ge_save_state(mgp); + /* Restore state immediately since pci_save_msi_state disables MSI */ + myri10ge_restore_state(mgp); + + /* Setup the watchdog timer */ + setup_timer(&mgp->watchdog_timer, myri10ge_watchdog_timer, + (unsigned long)mgp); + + SET_ETHTOOL_OPS(netdev, &myri10ge_ethtool_ops); + INIT_WORK(&mgp->watchdog_work, myri10ge_watchdog, mgp); + status = register_netdev(netdev); + if (status != 0) { + dev_err(&pdev->dev, "register_netdev failed: %d\n", status); + goto abort_with_irq; + } + + printk(KERN_INFO "myri10ge: %s: %s IRQ %d, tx bndry %d, fw %s, WC %s\n", + netdev->name, (mgp->msi_enabled ? "MSI" : "xPIC"), + pdev->irq, mgp->tx.boundary, mgp->fw_name, + (mgp->mtrr >= 0 ? "Enabled" : "Disabled")); + + return 0; + +abort_with_irq: + free_irq(pdev->irq, mgp); + if (mgp->msi_enabled) + pci_disable_msi(pdev); + +abort_with_firmware: + myri10ge_dummy_rdma(mgp, 0); + +abort_with_rx_done: + bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry); + dma_free_coherent(&pdev->dev, bytes, + mgp->rx_done.entry, mgp->rx_done.bus); + +abort_with_ioremap: + iounmap(mgp->sram); + +abort_with_wc: +#ifdef CONFIG_MTRR + if (mgp->mtrr >= 0) + mtrr_del(mgp->mtrr, mgp->iomem_base, mgp->board_span); +#endif + dma_free_coherent(&pdev->dev, sizeof(*mgp->fw_stats), + mgp->fw_stats, mgp->fw_stats_bus); + +abort_with_cmd: + dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd), + mgp->cmd, mgp->cmd_bus); + +abort_with_netdev: + + free_netdev(netdev); + return status; +} + +/* + * myri10ge_remove + * + * Does what is necessary to shutdown one Myrinet device. Called + * once for each Myrinet card by the kernel when a module is + * unloaded. + */ +static void myri10ge_remove(struct pci_dev *pdev) +{ + struct myri10ge_priv *mgp; + struct net_device *netdev; + size_t bytes; + + mgp = pci_get_drvdata(pdev); + if (mgp == NULL) + return; + + flush_scheduled_work(); + netdev = mgp->dev; + unregister_netdev(netdev); + free_irq(pdev->irq, mgp); + if (mgp->msi_enabled) + pci_disable_msi(pdev); + + myri10ge_dummy_rdma(mgp, 0); + + bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry); + dma_free_coherent(&pdev->dev, bytes, + mgp->rx_done.entry, mgp->rx_done.bus); + + iounmap(mgp->sram); + +#ifdef CONFIG_MTRR + if (mgp->mtrr >= 0) + mtrr_del(mgp->mtrr, mgp->iomem_base, mgp->board_span); +#endif + dma_free_coherent(&pdev->dev, sizeof(*mgp->fw_stats), + mgp->fw_stats, mgp->fw_stats_bus); + + dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd), + mgp->cmd, mgp->cmd_bus); + + free_netdev(netdev); + pci_set_drvdata(pdev, NULL); +} + +#define PCI_DEVICE_ID_MYRICOM_MYRI10GE_Z8E 0x0008 + +static struct pci_device_id myri10ge_pci_tbl[] = { + {PCI_DEVICE(PCI_VENDOR_ID_MYRICOM, PCI_DEVICE_ID_MYRICOM_MYRI10GE_Z8E)}, + {0}, +}; + +static struct pci_driver myri10ge_driver = { + .name = "myri10ge", + .probe = myri10ge_probe, + .remove = myri10ge_remove, + .id_table = myri10ge_pci_tbl, +#ifdef CONFIG_PM + .suspend = myri10ge_suspend, + .resume = myri10ge_resume, +#endif +}; + +static __init int myri10ge_init_module(void) +{ + printk(KERN_INFO "%s: Version %s\n", myri10ge_driver.name, + MYRI10GE_VERSION_STR); + return pci_register_driver(&myri10ge_driver); +} + +module_init(myri10ge_init_module); + +static __exit void myri10ge_cleanup_module(void) +{ + pci_unregister_driver(&myri10ge_driver); +} + +module_exit(myri10ge_cleanup_module); diff --git a/drivers/net/myri10ge/myri10ge_mcp.h b/drivers/net/myri10ge/myri10ge_mcp.h new file mode 100644 index 000000000000..0a6cae6cb186 --- /dev/null +++ b/drivers/net/myri10ge/myri10ge_mcp.h @@ -0,0 +1,205 @@ +#ifndef __MYRI10GE_MCP_H__ +#define __MYRI10GE_MCP_H__ + +#define MXGEFW_VERSION_MAJOR 1 +#define MXGEFW_VERSION_MINOR 4 + +/* 8 Bytes */ +struct mcp_dma_addr { + u32 high; + u32 low; +}; + +/* 4 Bytes */ +struct mcp_slot { + u16 checksum; + u16 length; +}; + +/* 64 Bytes */ +struct mcp_cmd { + u32 cmd; + u32 data0; /* will be low portion if data > 32 bits */ + /* 8 */ + u32 data1; /* will be high portion if data > 32 bits */ + u32 data2; /* currently unused.. */ + /* 16 */ + struct mcp_dma_addr response_addr; + /* 24 */ + u8 pad[40]; +}; + +/* 8 Bytes */ +struct mcp_cmd_response { + u32 data; + u32 result; +}; + +/* + * flags used in mcp_kreq_ether_send_t: + * + * The SMALL flag is only needed in the first segment. It is raised + * for packets that are total less or equal 512 bytes. + * + * The CKSUM flag must be set in all segments. + * + * The PADDED flags is set if the packet needs to be padded, and it + * must be set for all segments. + * + * The MXGEFW_FLAGS_ALIGN_ODD must be set if the cumulative + * length of all previous segments was odd. + */ + +#define MXGEFW_FLAGS_SMALL 0x1 +#define MXGEFW_FLAGS_TSO_HDR 0x1 +#define MXGEFW_FLAGS_FIRST 0x2 +#define MXGEFW_FLAGS_ALIGN_ODD 0x4 +#define MXGEFW_FLAGS_CKSUM 0x8 +#define MXGEFW_FLAGS_TSO_LAST 0x8 +#define MXGEFW_FLAGS_NO_TSO 0x10 +#define MXGEFW_FLAGS_TSO_CHOP 0x10 +#define MXGEFW_FLAGS_TSO_PLD 0x20 + +#define MXGEFW_SEND_SMALL_SIZE 1520 +#define MXGEFW_MAX_MTU 9400 + +union mcp_pso_or_cumlen { + u16 pseudo_hdr_offset; + u16 cum_len; +}; + +#define MXGEFW_MAX_SEND_DESC 12 +#define MXGEFW_PAD 2 + +/* 16 Bytes */ +struct mcp_kreq_ether_send { + u32 addr_high; + u32 addr_low; + u16 pseudo_hdr_offset; + u16 length; + u8 pad; + u8 rdma_count; + u8 cksum_offset; /* where to start computing cksum */ + u8 flags; /* as defined above */ +}; + +/* 8 Bytes */ +struct mcp_kreq_ether_recv { + u32 addr_high; + u32 addr_low; +}; + +/* Commands */ + +#define MXGEFW_CMD_OFFSET 0xf80000 + +enum myri10ge_mcp_cmd_type { + MXGEFW_CMD_NONE = 0, + /* Reset the mcp, it is left in a safe state, waiting + * for the driver to set all its parameters */ + MXGEFW_CMD_RESET, + + /* get the version number of the current firmware.. + * (may be available in the eeprom strings..? */ + MXGEFW_GET_MCP_VERSION, + + /* Parameters which must be set by the driver before it can + * issue MXGEFW_CMD_ETHERNET_UP. They persist until the next + * MXGEFW_CMD_RESET is issued */ + + MXGEFW_CMD_SET_INTRQ_DMA, + MXGEFW_CMD_SET_BIG_BUFFER_SIZE, /* in bytes, power of 2 */ + MXGEFW_CMD_SET_SMALL_BUFFER_SIZE, /* in bytes */ + + /* Parameters which refer to lanai SRAM addresses where the + * driver must issue PIO writes for various things */ + + MXGEFW_CMD_GET_SEND_OFFSET, + MXGEFW_CMD_GET_SMALL_RX_OFFSET, + MXGEFW_CMD_GET_BIG_RX_OFFSET, + MXGEFW_CMD_GET_IRQ_ACK_OFFSET, + MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET, + + /* Parameters which refer to rings stored on the MCP, + * and whose size is controlled by the mcp */ + + MXGEFW_CMD_GET_SEND_RING_SIZE, /* in bytes */ + MXGEFW_CMD_GET_RX_RING_SIZE, /* in bytes */ + + /* Parameters which refer to rings stored in the host, + * and whose size is controlled by the host. Note that + * all must be physically contiguous and must contain + * a power of 2 number of entries. */ + + MXGEFW_CMD_SET_INTRQ_SIZE, /* in bytes */ + + /* command to bring ethernet interface up. Above parameters + * (plus mtu & mac address) must have been exchanged prior + * to issuing this command */ + MXGEFW_CMD_ETHERNET_UP, + + /* command to bring ethernet interface down. No further sends + * or receives may be processed until an MXGEFW_CMD_ETHERNET_UP + * is issued, and all interrupt queues must be flushed prior + * to ack'ing this command */ + + MXGEFW_CMD_ETHERNET_DOWN, + + /* commands the driver may issue live, without resetting + * the nic. Note that increasing the mtu "live" should + * only be done if the driver has already supplied buffers + * sufficiently large to handle the new mtu. Decreasing + * the mtu live is safe */ + + MXGEFW_CMD_SET_MTU, + MXGEFW_CMD_GET_INTR_COAL_DELAY_OFFSET, /* in microseconds */ + MXGEFW_CMD_SET_STATS_INTERVAL, /* in microseconds */ + MXGEFW_CMD_SET_STATS_DMA, + + MXGEFW_ENABLE_PROMISC, + MXGEFW_DISABLE_PROMISC, + MXGEFW_SET_MAC_ADDRESS, + + MXGEFW_ENABLE_FLOW_CONTROL, + MXGEFW_DISABLE_FLOW_CONTROL, + + /* do a DMA test + * data0,data1 = DMA address + * data2 = RDMA length (MSH), WDMA length (LSH) + * command return data = repetitions (MSH), 0.5-ms ticks (LSH) + */ + MXGEFW_DMA_TEST +}; + +enum myri10ge_mcp_cmd_status { + MXGEFW_CMD_OK = 0, + MXGEFW_CMD_UNKNOWN, + MXGEFW_CMD_ERROR_RANGE, + MXGEFW_CMD_ERROR_BUSY, + MXGEFW_CMD_ERROR_EMPTY, + MXGEFW_CMD_ERROR_CLOSED, + MXGEFW_CMD_ERROR_HASH_ERROR, + MXGEFW_CMD_ERROR_BAD_PORT, + MXGEFW_CMD_ERROR_RESOURCES +}; + +/* 40 Bytes */ +struct mcp_irq_data { + u32 send_done_count; + + u32 link_up; + u32 dropped_link_overflow; + u32 dropped_link_error_or_filtered; + u32 dropped_runt; + u32 dropped_overrun; + u32 dropped_no_small_buffer; + u32 dropped_no_big_buffer; + u32 rdma_tags_available; + + u8 tx_stopped; + u8 link_down; + u8 stats_updated; + u8 valid; +}; + +#endif /* __MYRI10GE_MCP_H__ */ diff --git a/drivers/net/myri10ge/myri10ge_mcp_gen_header.h b/drivers/net/myri10ge/myri10ge_mcp_gen_header.h new file mode 100644 index 000000000000..487f7792fd46 --- /dev/null +++ b/drivers/net/myri10ge/myri10ge_mcp_gen_header.h @@ -0,0 +1,58 @@ +#ifndef __MYRI10GE_MCP_GEN_HEADER_H__ +#define __MYRI10GE_MCP_GEN_HEADER_H__ + +/* this file define a standard header used as a first entry point to + * exchange information between firmware/driver and driver. The + * header structure can be anywhere in the mcp. It will usually be in + * the .data section, because some fields needs to be initialized at + * compile time. + * The 32bit word at offset MX_HEADER_PTR_OFFSET in the mcp must + * contains the location of the header. + * + * Typically a MCP will start with the following: + * .text + * .space 52 ! to help catch MEMORY_INT errors + * bt start ! jump to real code + * nop + * .long _gen_mcp_header + * + * The source will have a definition like: + * + * mcp_gen_header_t gen_mcp_header = { + * .header_length = sizeof(mcp_gen_header_t), + * .mcp_type = MCP_TYPE_XXX, + * .version = "something $Id: mcp_gen_header.h,v 1.2 2006/05/13 10:04:35 bgoglin Exp $", + * .mcp_globals = (unsigned)&Globals + * }; + */ + +#define MCP_HEADER_PTR_OFFSET 0x3c + +#define MCP_TYPE_MX 0x4d582020 /* "MX " */ +#define MCP_TYPE_PCIE 0x70636965 /* "PCIE" pcie-only MCP */ +#define MCP_TYPE_ETH 0x45544820 /* "ETH " */ +#define MCP_TYPE_MCP0 0x4d435030 /* "MCP0" */ + +struct mcp_gen_header { + /* the first 4 fields are filled at compile time */ + unsigned header_length; + unsigned mcp_type; + char version[128]; + unsigned mcp_globals; /* pointer to mcp-type specific structure */ + + /* filled by the MCP at run-time */ + unsigned sram_size; + unsigned string_specs; /* either the original STRING_SPECS or a superset */ + unsigned string_specs_len; + + /* Fields above this comment are guaranteed to be present. + * + * Fields below this comment are extensions added in later versions + * of this struct, drivers should compare the header_length against + * offsetof(field) to check wether a given MCP implements them. + * + * Never remove any field. Keep everything naturally align. + */ +}; + +#endif /* __MYRI10GE_MCP_GEN_HEADER_H__ */ diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c index 90627756d6fa..2e4ecedba057 100644 --- a/drivers/net/natsemi.c +++ b/drivers/net/natsemi.c @@ -318,12 +318,12 @@ performance critical codepaths: The rx process only runs in the interrupt handler. Access from outside the interrupt handler is only permitted after disable_irq(). -The rx process usually runs under the dev->xmit_lock. If np->intr_tx_reap +The rx process usually runs under the netif_tx_lock. If np->intr_tx_reap is set, then access is permitted under spin_lock_irq(&np->lock). Thus configuration functions that want to access everything must call disable_irq(dev->irq); - spin_lock_bh(dev->xmit_lock); + netif_tx_lock_bh(dev); spin_lock_irq(&np->lock); IV. Notes diff --git a/drivers/net/ne.c b/drivers/net/ne.c index b32765215f75..963a11fa9fe2 100644 --- a/drivers/net/ne.c +++ b/drivers/net/ne.c @@ -829,7 +829,7 @@ that the ne2k probe is the last 8390 based probe to take place (as it is at boot) and so the probe will get confused by any other 8390 cards. ISA device autoprobes on a running machine are not recommended anyway. */ -int init_module(void) +int __init init_module(void) { int this_dev, found = 0; diff --git a/drivers/net/ne2.c b/drivers/net/ne2.c index 2aa7b77f84f8..eebf5f02b476 100644 --- a/drivers/net/ne2.c +++ b/drivers/net/ne2.c @@ -780,7 +780,7 @@ MODULE_PARM_DESC(bad, "(ignored)"); /* Module code fixed by David Weinehall */ -int init_module(void) +int __init init_module(void) { struct net_device *dev; int this_dev, found = 0; diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index d090df413049..661bfe54ff5d 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -12,7 +12,7 @@ Copyright (C) 1999 David A. Hinds -- dahinds@users.sourceforge.net pcnet_cs.c 1.153 2003/11/09 18:53:09 - + The network driver code is based on Donald Becker's NE2000 code: Written 1992,1993 by Donald Becker. @@ -146,7 +146,7 @@ typedef struct hw_info_t { #define MII_PHYID_REG2 0x03 static hw_info_t hw_info[] = { - { /* Accton EN2212 */ 0x0ff0, 0x00, 0x00, 0xe8, DELAY_OUTPUT }, + { /* Accton EN2212 */ 0x0ff0, 0x00, 0x00, 0xe8, DELAY_OUTPUT }, { /* Allied Telesis LA-PCM */ 0x0ff0, 0x00, 0x00, 0xf4, 0 }, { /* APEX MultiCard */ 0x03f4, 0x00, 0x20, 0xe5, 0 }, { /* ASANTE FriendlyNet */ 0x4910, 0x00, 0x00, 0x94, @@ -193,7 +193,7 @@ static hw_info_t hw_info[] = { { /* NE2000 Compatible */ 0x0ff0, 0x00, 0xa0, 0x0c, 0 }, { /* Network General Sniffer */ 0x0ff0, 0x00, 0x00, 0x65, HAS_MISC_REG | HAS_IBM_MISC }, - { /* Panasonic VEL211 */ 0x0ff0, 0x00, 0x80, 0x45, + { /* Panasonic VEL211 */ 0x0ff0, 0x00, 0x80, 0x45, HAS_MISC_REG | HAS_IBM_MISC }, { /* PreMax PE-200 */ 0x07f0, 0x00, 0x20, 0xe0, 0 }, { /* RPTI EP400 */ 0x0110, 0x00, 0x40, 0x95, 0 }, @@ -330,7 +330,7 @@ static hw_info_t *get_hwinfo(struct pcmcia_device *link) for (j = 0; j < 6; j++) dev->dev_addr[j] = readb(base + (j<<1)); } - + iounmap(virt); j = pcmcia_release_window(link->win); if (j != CS_SUCCESS) @@ -490,7 +490,7 @@ static int try_io_port(struct pcmcia_device *link) if (link->io.NumPorts2 > 0) { /* for master/slave multifunction cards */ link->io.Attributes2 = IO_DATA_PATH_WIDTH_8; - link->irq.Attributes = + link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED; } } else { @@ -543,19 +543,19 @@ static int pcnet_config(struct pcmcia_device *link) manfid = le16_to_cpu(buf[0]); prodid = le16_to_cpu(buf[1]); } - + tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; tuple.Attributes = 0; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); while (last_ret == CS_SUCCESS) { cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); cistpl_io_t *io = &(parse.cftable_entry.io); - + if (pcmcia_get_tuple_data(link, &tuple) != 0 || pcmcia_parse_tuple(link, &tuple, &parse) != 0 || cfg->index == 0 || cfg->io.nwin == 0) goto next_entry; - + link->conf.ConfigIndex = cfg->index; /* For multifunction cards, by convention, we configure the network function with window 0, and serial with window 1 */ @@ -584,7 +584,7 @@ static int pcnet_config(struct pcmcia_device *link) } CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); - + if (link->io.NumPorts2 == 8) { link->conf.Attributes |= CONF_ENABLE_SPKR; link->conf.Status = CCSR_AUDIO_ENA; @@ -592,7 +592,7 @@ static int pcnet_config(struct pcmcia_device *link) if ((manfid == MANFID_IBM) && (prodid == PRODID_IBM_HOME_AND_AWAY)) link->conf.ConfigIndex |= 0x10; - + CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); dev->irq = link->irq.AssignedIRQ; dev->base_addr = link->io.BasePort1; @@ -614,7 +614,7 @@ static int pcnet_config(struct pcmcia_device *link) hw_info = get_ax88190(link); if (hw_info == NULL) hw_info = get_hwired(link); - + if (hw_info == NULL) { printk(KERN_NOTICE "pcnet_cs: unable to read hardware net" " address for io base %#3lx\n", dev->base_addr); @@ -631,7 +631,7 @@ static int pcnet_config(struct pcmcia_device *link) info->flags &= ~USE_BIG_BUF; if (!use_big_buf) info->flags &= ~USE_BIG_BUF; - + if (info->flags & USE_BIG_BUF) { start_pg = SOCKET_START_PG; stop_pg = SOCKET_STOP_PG; @@ -929,7 +929,7 @@ static void set_misc_reg(struct net_device *dev) kio_addr_t nic_base = dev->base_addr; pcnet_dev_t *info = PRIV(dev); u_char tmp; - + if (info->flags & HAS_MISC_REG) { tmp = inb_p(nic_base + PCNET_MISC) & ~3; if (dev->if_port == 2) @@ -1022,7 +1022,7 @@ static int pcnet_close(struct net_device *dev) ei_close(dev); free_irq(dev->irq, dev); - + link->open--; netif_stop_queue(dev); del_timer_sync(&info->watchdog); @@ -1054,12 +1054,12 @@ static void pcnet_reset_8390(struct net_device *dev) udelay(100); } outb_p(ENISR_RESET, nic_base + EN0_ISR); /* Ack intr. */ - + if (i == 100) printk(KERN_ERR "%s: pcnet_reset_8390() did not complete.\n", dev->name); set_misc_reg(dev); - + } /* pcnet_reset_8390 */ /*====================================================================*/ @@ -1233,7 +1233,7 @@ static void dma_get_8390_hdr(struct net_device *dev, dev->name, ei_status.dmaing, ei_status.irqlock); return; } - + ei_status.dmaing |= 0x01; outb_p(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base + PCNET_CMD); outb_p(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO); @@ -1458,7 +1458,7 @@ static void shmem_get_8390_hdr(struct net_device *dev, void __iomem *xfer_start = ei_status.mem + (TX_PAGES<<8) + (ring_page << 8) - (ei_status.rx_start_page << 8); - + copyin(hdr, xfer_start, sizeof(struct e8390_pkt_hdr)); /* Fix for big endian systems */ hdr->count = le16_to_cpu(hdr->count); @@ -1473,7 +1473,7 @@ static void shmem_block_input(struct net_device *dev, int count, unsigned long offset = (TX_PAGES<<8) + ring_offset - (ei_status.rx_start_page << 8); char *buf = skb->data; - + if (offset + count > ei_status.priv) { /* We must wrap the input move. */ int semi_count = ei_status.priv - offset; @@ -1541,7 +1541,7 @@ static int setup_shmem_window(struct pcmcia_device *link, int start_pg, info->base = NULL; link->win = NULL; goto failed; } - + ei_status.mem = info->base + offset; ei_status.priv = req.Size; dev->mem_start = (u_long)ei_status.mem; @@ -1768,6 +1768,8 @@ static struct pcmcia_device_id pcnet_ids[] = { PCMCIA_DEVICE_CIS_PROD_ID12("NDC", "Ethernet", 0x01c43ae1, 0x00b2e941, "NE2K.cis"), PCMCIA_DEVICE_CIS_PROD_ID12("PMX ", "PE-200", 0x34f3f1c8, 0x10b59f8c, "PE-200.cis"), PCMCIA_DEVICE_CIS_PROD_ID12("TAMARACK", "Ethernet", 0xcf434fba, 0x00b2e941, "tamarack.cis"), + PCMCIA_DEVICE_PROD_ID123("Fast Ethernet", "CF Size PC Card", "1.0", + 0xb4be14e3, 0x43ac239b, 0x0877b627), PCMCIA_DEVICE_NULL }; MODULE_DEVICE_TABLE(pcmcia, pcnet_ids); diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index fa39b944bc46..cda3e53d6917 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -45,5 +45,11 @@ config CICADA_PHY ---help--- Currently supports the cis8204 +config SMSC_PHY + tristate "Drivers for SMSC PHYs" + depends on PHYLIB + ---help--- + Currently supports the LAN83C185 PHY + endmenu diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index e4116a5fbb4c..d9614134cc06 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -8,3 +8,4 @@ obj-$(CONFIG_DAVICOM_PHY) += davicom.o obj-$(CONFIG_CICADA_PHY) += cicada.o obj-$(CONFIG_LXT_PHY) += lxt.o obj-$(CONFIG_QSEMI_PHY) += qsemi.o +obj-$(CONFIG_SMSC_PHY) += smsc.o diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c new file mode 100644 index 000000000000..25e31fb5cb31 --- /dev/null +++ b/drivers/net/phy/smsc.c @@ -0,0 +1,101 @@ +/* + * drivers/net/phy/smsc.c + * + * Driver for SMSC PHYs + * + * Author: Herbert Valerio Riedel + * + * Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/phy.h> +#include <linux/netdevice.h> + +#define MII_LAN83C185_ISF 29 /* Interrupt Source Flags */ +#define MII_LAN83C185_IM 30 /* Interrupt Mask */ + +#define MII_LAN83C185_ISF_INT1 (1<<1) /* Auto-Negotiation Page Received */ +#define MII_LAN83C185_ISF_INT2 (1<<2) /* Parallel Detection Fault */ +#define MII_LAN83C185_ISF_INT3 (1<<3) /* Auto-Negotiation LP Ack */ +#define MII_LAN83C185_ISF_INT4 (1<<4) /* Link Down */ +#define MII_LAN83C185_ISF_INT5 (1<<5) /* Remote Fault Detected */ +#define MII_LAN83C185_ISF_INT6 (1<<6) /* Auto-Negotiation complete */ +#define MII_LAN83C185_ISF_INT7 (1<<7) /* ENERGYON */ + +#define MII_LAN83C185_ISF_INT_ALL (0x0e) + +#define MII_LAN83C185_ISF_INT_PHYLIB_EVENTS \ + (MII_LAN83C185_ISF_INT6 | MII_LAN83C185_ISF_INT4) + + +static int lan83c185_config_intr(struct phy_device *phydev) +{ + int rc = phy_write (phydev, MII_LAN83C185_IM, + ((PHY_INTERRUPT_ENABLED == phydev->interrupts) + ? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS + : 0)); + + return rc < 0 ? rc : 0; +} + +static int lan83c185_ack_interrupt(struct phy_device *phydev) +{ + int rc = phy_read (phydev, MII_LAN83C185_ISF); + + return rc < 0 ? rc : 0; +} + +static int lan83c185_config_init(struct phy_device *phydev) +{ + return lan83c185_ack_interrupt (phydev); +} + + +static struct phy_driver lan83c185_driver = { + .phy_id = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */ + .phy_id_mask = 0xfffffff0, + .name = "SMSC LAN83C185", + + .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause + | SUPPORTED_Asym_Pause), + .flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG, + + /* basic functions */ + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .config_init = lan83c185_config_init, + + /* IRQ related */ + .ack_interrupt = lan83c185_ack_interrupt, + .config_intr = lan83c185_config_intr, + + .driver = { .owner = THIS_MODULE, } +}; + +static int __init smsc_init(void) +{ + return phy_driver_register (&lan83c185_driver); +} + +static void __exit smsc_exit(void) +{ + phy_driver_unregister (&lan83c185_driver); +} + +MODULE_DESCRIPTION("SMSC PHY driver"); +MODULE_AUTHOR("Herbert Valerio Riedel"); +MODULE_LICENSE("GPL"); + +module_init(smsc_init); +module_exit(smsc_exit); diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index b2073fce8216..01cd8ec751ea 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -1609,8 +1609,6 @@ ppp_receive_nonmp_frame(struct ppp *ppp, struct sk_buff *skb) kfree_skb(skb); skb = ns; } - else if (!pskb_may_pull(skb, skb->len)) - goto err; else skb->ip_summed = CHECKSUM_NONE; diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 0ad3310290f1..9945cc6b8d90 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -184,6 +184,7 @@ static const struct { static struct pci_device_id rtl8169_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), }, + { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), }, { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), }, { PCI_DEVICE(0x16ec, 0x0116), }, { PCI_VENDOR_ID_LINKSYS, 0x1032, PCI_ANY_ID, 0x0024, }, diff --git a/drivers/net/s2io-regs.h b/drivers/net/s2io-regs.h index 00179bc3437f..0ef525899566 100644 --- a/drivers/net/s2io-regs.h +++ b/drivers/net/s2io-regs.h @@ -167,6 +167,7 @@ typedef struct _XENA_dev_config { u8 unused4[0x08]; u64 gpio_int_reg; +#define GPIO_INT_REG_DP_ERR_INT BIT(0) #define GPIO_INT_REG_LINK_DOWN BIT(1) #define GPIO_INT_REG_LINK_UP BIT(2) u64 gpio_int_mask; @@ -187,7 +188,7 @@ typedef struct _XENA_dev_config { /* PIC Control registers */ u64 pic_control; #define PIC_CNTL_RX_ALARM_MAP_1 BIT(0) -#define PIC_CNTL_SHARED_SPLITS(n) vBIT(n,11,4) +#define PIC_CNTL_SHARED_SPLITS(n) vBIT(n,11,5) u64 swapper_ctrl; #define SWAPPER_CTRL_PIF_R_FE BIT(0) @@ -267,6 +268,21 @@ typedef struct _XENA_dev_config { /* General Configuration */ u64 mdio_control; +#define MDIO_MMD_INDX_ADDR(val) vBIT(val, 0, 16) +#define MDIO_MMD_DEV_ADDR(val) vBIT(val, 19, 5) +#define MDIO_MMD_PMA_DEV_ADDR 0x1 +#define MDIO_MMD_PMD_DEV_ADDR 0x1 +#define MDIO_MMD_WIS_DEV_ADDR 0x2 +#define MDIO_MMD_PCS_DEV_ADDR 0x3 +#define MDIO_MMD_PHYXS_DEV_ADDR 0x4 +#define MDIO_MMS_PRT_ADDR(val) vBIT(val, 27, 5) +#define MDIO_CTRL_START_TRANS(val) vBIT(val, 56, 4) +#define MDIO_OP(val) vBIT(val, 60, 2) +#define MDIO_OP_ADDR_TRANS 0x0 +#define MDIO_OP_WRITE_TRANS 0x1 +#define MDIO_OP_READ_POST_INC_TRANS 0x2 +#define MDIO_OP_READ_TRANS 0x3 +#define MDIO_MDIO_DATA(val) vBIT(val, 32, 16) u64 dtx_control; @@ -284,9 +300,13 @@ typedef struct _XENA_dev_config { u64 gpio_control; #define GPIO_CTRL_GPIO_0 BIT(8) u64 misc_control; +#define EXT_REQ_EN BIT(1) #define MISC_LINK_STABILITY_PRD(val) vBIT(val,29,3) - u8 unused7_1[0x240 - 0x208]; + u8 unused7_1[0x230 - 0x208]; + + u64 pic_control2; + u64 ini_dperr_ctrl; u64 wreq_split_mask; #define WREQ_SPLIT_MASK_SET_MASK(val) vBIT(val, 52, 12) @@ -493,6 +513,7 @@ typedef struct _XENA_dev_config { #define PRC_CTRL_NO_SNOOP_DESC BIT(22) #define PRC_CTRL_NO_SNOOP_BUFF BIT(23) #define PRC_CTRL_BIMODAL_INTERRUPT BIT(37) +#define PRC_CTRL_GROUP_READS BIT(38) #define PRC_CTRL_RXD_BACKOFF_INTERVAL(val) vBIT(val,40,24) u64 prc_alarm_action; @@ -541,7 +562,12 @@ typedef struct _XENA_dev_config { #define RX_PA_CFG_IGNORE_LLC_CTRL BIT(3) #define RX_PA_CFG_IGNORE_L2_ERR BIT(6) - u8 unused12[0x700 - 0x1D8]; + u64 unused_11_1; + + u64 ring_bump_counter1; + u64 ring_bump_counter2; + + u8 unused12[0x700 - 0x1F0]; u64 rxdma_debug_ctrl; diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 79208f434ac1..cac9fdd2e1d5 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -26,15 +26,22 @@ * * The module loadable parameters that are supported by the driver and a brief * explaination of all the variables. + * * rx_ring_num : This can be used to program the number of receive rings used * in the driver. - * rx_ring_sz: This defines the number of descriptors each ring can have. This - * is also an array of size 8. + * rx_ring_sz: This defines the number of receive blocks each ring can have. + * This is also an array of size 8. * rx_ring_mode: This defines the operation mode of all 8 rings. The valid * values are 1, 2 and 3. * tx_fifo_num: This defines the number of Tx FIFOs thats used int the driver. * tx_fifo_len: This too is an array of 8. Each element defines the number of * Tx descriptors that can be associated with each corresponding FIFO. + * intr_type: This defines the type of interrupt. The values can be 0(INTA), + * 1(MSI), 2(MSI_X). Default value is '0(INTA)' + * lro: Specifies whether to enable Large Receive Offload (LRO) or not. + * Possible values '1' for enable '0' for disable. Default is '0' + * lro_max_pkts: This parameter defines maximum number of packets can be + * aggregated as a single large packet ************************************************************************/ #include <linux/config.h> @@ -70,7 +77,7 @@ #include "s2io.h" #include "s2io-regs.h" -#define DRV_VERSION "2.0.11.2" +#define DRV_VERSION "2.0.14.2" /* S2io Driver name & version. */ static char s2io_driver_name[] = "Neterion"; @@ -106,18 +113,14 @@ static inline int RXD_IS_UP2DT(RxD_t *rxdp) #define LOW 2 static inline int rx_buffer_level(nic_t * sp, int rxb_size, int ring) { - int level = 0; mac_info_t *mac_control; mac_control = &sp->mac_control; - if ((mac_control->rings[ring].pkt_cnt - rxb_size) > 16) { - level = LOW; - if (rxb_size <= rxd_count[sp->rxd_mode]) { - level = PANIC; - } - } - - return level; + if (rxb_size <= rxd_count[sp->rxd_mode]) + return PANIC; + else if ((mac_control->rings[ring].pkt_cnt - rxb_size) > 16) + return LOW; + return 0; } /* Ethtool related variables and Macros. */ @@ -136,7 +139,11 @@ static char ethtool_stats_keys[][ETH_GSTRING_LEN] = { {"tmac_mcst_frms"}, {"tmac_bcst_frms"}, {"tmac_pause_ctrl_frms"}, + {"tmac_ttl_octets"}, + {"tmac_ucst_frms"}, + {"tmac_nucst_frms"}, {"tmac_any_err_frms"}, + {"tmac_ttl_less_fb_octets"}, {"tmac_vld_ip_octets"}, {"tmac_vld_ip"}, {"tmac_drop_ip"}, @@ -151,13 +158,27 @@ static char ethtool_stats_keys[][ETH_GSTRING_LEN] = { {"rmac_vld_mcst_frms"}, {"rmac_vld_bcst_frms"}, {"rmac_in_rng_len_err_frms"}, + {"rmac_out_rng_len_err_frms"}, {"rmac_long_frms"}, {"rmac_pause_ctrl_frms"}, + {"rmac_unsup_ctrl_frms"}, + {"rmac_ttl_octets"}, + {"rmac_accepted_ucst_frms"}, + {"rmac_accepted_nucst_frms"}, {"rmac_discarded_frms"}, + {"rmac_drop_events"}, + {"rmac_ttl_less_fb_octets"}, + {"rmac_ttl_frms"}, {"rmac_usized_frms"}, {"rmac_osized_frms"}, {"rmac_frag_frms"}, {"rmac_jabber_frms"}, + {"rmac_ttl_64_frms"}, + {"rmac_ttl_65_127_frms"}, + {"rmac_ttl_128_255_frms"}, + {"rmac_ttl_256_511_frms"}, + {"rmac_ttl_512_1023_frms"}, + {"rmac_ttl_1024_1518_frms"}, {"rmac_ip"}, {"rmac_ip_octets"}, {"rmac_hdr_err_ip"}, @@ -166,12 +187,82 @@ static char ethtool_stats_keys[][ETH_GSTRING_LEN] = { {"rmac_tcp"}, {"rmac_udp"}, {"rmac_err_drp_udp"}, + {"rmac_xgmii_err_sym"}, + {"rmac_frms_q0"}, + {"rmac_frms_q1"}, + {"rmac_frms_q2"}, + {"rmac_frms_q3"}, + {"rmac_frms_q4"}, + {"rmac_frms_q5"}, + {"rmac_frms_q6"}, + {"rmac_frms_q7"}, + {"rmac_full_q0"}, + {"rmac_full_q1"}, + {"rmac_full_q2"}, + {"rmac_full_q3"}, + {"rmac_full_q4"}, + {"rmac_full_q5"}, + {"rmac_full_q6"}, + {"rmac_full_q7"}, {"rmac_pause_cnt"}, + {"rmac_xgmii_data_err_cnt"}, + {"rmac_xgmii_ctrl_err_cnt"}, {"rmac_accepted_ip"}, {"rmac_err_tcp"}, + {"rd_req_cnt"}, + {"new_rd_req_cnt"}, + {"new_rd_req_rtry_cnt"}, + {"rd_rtry_cnt"}, + {"wr_rtry_rd_ack_cnt"}, + {"wr_req_cnt"}, + {"new_wr_req_cnt"}, + {"new_wr_req_rtry_cnt"}, + {"wr_rtry_cnt"}, + {"wr_disc_cnt"}, + {"rd_rtry_wr_ack_cnt"}, + {"txp_wr_cnt"}, + {"txd_rd_cnt"}, + {"txd_wr_cnt"}, + {"rxd_rd_cnt"}, + {"rxd_wr_cnt"}, + {"txf_rd_cnt"}, + {"rxf_wr_cnt"}, + {"rmac_ttl_1519_4095_frms"}, + {"rmac_ttl_4096_8191_frms"}, + {"rmac_ttl_8192_max_frms"}, + {"rmac_ttl_gt_max_frms"}, + {"rmac_osized_alt_frms"}, + {"rmac_jabber_alt_frms"}, + {"rmac_gt_max_alt_frms"}, + {"rmac_vlan_frms"}, + {"rmac_len_discard"}, + {"rmac_fcs_discard"}, + {"rmac_pf_discard"}, + {"rmac_da_discard"}, + {"rmac_red_discard"}, + {"rmac_rts_discard"}, + {"rmac_ingm_full_discard"}, + {"link_fault_cnt"}, {"\n DRIVER STATISTICS"}, {"single_bit_ecc_errs"}, {"double_bit_ecc_errs"}, + {"parity_err_cnt"}, + {"serious_err_cnt"}, + {"soft_reset_cnt"}, + {"fifo_full_cnt"}, + {"ring_full_cnt"}, + ("alarm_transceiver_temp_high"), + ("alarm_transceiver_temp_low"), + ("alarm_laser_bias_current_high"), + ("alarm_laser_bias_current_low"), + ("alarm_laser_output_power_high"), + ("alarm_laser_output_power_low"), + ("warn_transceiver_temp_high"), + ("warn_transceiver_temp_low"), + ("warn_laser_bias_current_high"), + ("warn_laser_bias_current_low"), + ("warn_laser_output_power_high"), + ("warn_laser_output_power_low"), ("lro_aggregated_pkts"), ("lro_flush_both_count"), ("lro_out_of_sequence_pkts"), @@ -220,9 +311,7 @@ static void s2io_vlan_rx_kill_vid(struct net_device *dev, unsigned long vid) * the XAUI. */ -#define SWITCH_SIGN 0xA5A5A5A5A5A5A5A5ULL #define END_SIGN 0x0 - static const u64 herc_act_dtx_cfg[] = { /* Set address */ 0x8000051536750000ULL, 0x80000515367500E0ULL, @@ -244,37 +333,19 @@ static const u64 herc_act_dtx_cfg[] = { END_SIGN }; -static const u64 xena_mdio_cfg[] = { - /* Reset PMA PLL */ - 0xC001010000000000ULL, 0xC0010100000000E0ULL, - 0xC0010100008000E4ULL, - /* Remove Reset from PMA PLL */ - 0xC001010000000000ULL, 0xC0010100000000E0ULL, - 0xC0010100000000E4ULL, - END_SIGN -}; - static const u64 xena_dtx_cfg[] = { + /* Set address */ 0x8000051500000000ULL, 0x80000515000000E0ULL, - 0x80000515D93500E4ULL, 0x8001051500000000ULL, - 0x80010515000000E0ULL, 0x80010515001E00E4ULL, - 0x8002051500000000ULL, 0x80020515000000E0ULL, - 0x80020515F21000E4ULL, - /* Set PADLOOPBACKN */ - 0x8002051500000000ULL, 0x80020515000000E0ULL, - 0x80020515B20000E4ULL, 0x8003051500000000ULL, - 0x80030515000000E0ULL, 0x80030515B20000E4ULL, - 0x8004051500000000ULL, 0x80040515000000E0ULL, - 0x80040515B20000E4ULL, 0x8005051500000000ULL, - 0x80050515000000E0ULL, 0x80050515B20000E4ULL, - SWITCH_SIGN, - /* Remove PADLOOPBACKN */ + /* Write data */ + 0x80000515D9350004ULL, 0x80000515D93500E4ULL, + /* Set address */ + 0x8001051500000000ULL, 0x80010515000000E0ULL, + /* Write data */ + 0x80010515001E0004ULL, 0x80010515001E00E4ULL, + /* Set address */ 0x8002051500000000ULL, 0x80020515000000E0ULL, - 0x80020515F20000E4ULL, 0x8003051500000000ULL, - 0x80030515000000E0ULL, 0x80030515F20000E4ULL, - 0x8004051500000000ULL, 0x80040515000000E0ULL, - 0x80040515F20000E4ULL, 0x8005051500000000ULL, - 0x80050515000000E0ULL, 0x80050515F20000E4ULL, + /* Write data */ + 0x80020515F2100004ULL, 0x80020515F21000E4ULL, END_SIGN }; @@ -303,15 +374,15 @@ static const u64 fix_mac[] = { /* Module Loadable parameters. */ static unsigned int tx_fifo_num = 1; static unsigned int tx_fifo_len[MAX_TX_FIFOS] = - {[0 ...(MAX_TX_FIFOS - 1)] = 0 }; + {DEFAULT_FIFO_0_LEN, [1 ...(MAX_TX_FIFOS - 1)] = DEFAULT_FIFO_1_7_LEN}; static unsigned int rx_ring_num = 1; static unsigned int rx_ring_sz[MAX_RX_RINGS] = - {[0 ...(MAX_RX_RINGS - 1)] = 0 }; + {[0 ...(MAX_RX_RINGS - 1)] = SMALL_BLK_CNT}; static unsigned int rts_frm_len[MAX_RX_RINGS] = {[0 ...(MAX_RX_RINGS - 1)] = 0 }; static unsigned int rx_ring_mode = 1; static unsigned int use_continuous_tx_intrs = 1; -static unsigned int rmac_pause_time = 65535; +static unsigned int rmac_pause_time = 0x100; static unsigned int mc_pause_threshold_q0q3 = 187; static unsigned int mc_pause_threshold_q4q7 = 187; static unsigned int shared_splits; @@ -549,11 +620,6 @@ static int init_shared_mem(struct s2io_nic *nic) rx_blocks->block_dma_addr + (rxd_size[nic->rxd_mode] * l); } - - mac_control->rings[i].rx_blocks[j].block_virt_addr = - tmp_v_addr; - mac_control->rings[i].rx_blocks[j].block_dma_addr = - tmp_p_addr; } /* Interlinking all Rx Blocks */ for (j = 0; j < blk_cnt; j++) { @@ -772,7 +838,21 @@ static int s2io_verify_pci_mode(nic_t *nic) return mode; } +#define NEC_VENID 0x1033 +#define NEC_DEVID 0x0125 +static int s2io_on_nec_bridge(struct pci_dev *s2io_pdev) +{ + struct pci_dev *tdev = NULL; + while ((tdev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, tdev)) != NULL) { + if ((tdev->vendor == NEC_VENID) && (tdev->device == NEC_DEVID)){ + if (tdev->bus == s2io_pdev->bus->parent) + return 1; + } + } + return 0; +} +static int bus_speed[8] = {33, 133, 133, 200, 266, 133, 200, 266}; /** * s2io_print_pci_mode - */ @@ -789,6 +869,14 @@ static int s2io_print_pci_mode(nic_t *nic) if ( val64 & PCI_MODE_UNKNOWN_MODE) return -1; /* Unknown PCI mode */ + config->bus_speed = bus_speed[mode]; + + if (s2io_on_nec_bridge(nic->pdev)) { + DBG_PRINT(ERR_DBG, "%s: Device is on PCI-E bus\n", + nic->dev->name); + return mode; + } + if (val64 & PCI_MODE_32_BITS) { DBG_PRINT(ERR_DBG, "%s: Device is on 32 bit ", nic->dev->name); } else { @@ -798,35 +886,27 @@ static int s2io_print_pci_mode(nic_t *nic) switch(mode) { case PCI_MODE_PCI_33: DBG_PRINT(ERR_DBG, "33MHz PCI bus\n"); - config->bus_speed = 33; break; case PCI_MODE_PCI_66: DBG_PRINT(ERR_DBG, "66MHz PCI bus\n"); - config->bus_speed = 133; break; case PCI_MODE_PCIX_M1_66: DBG_PRINT(ERR_DBG, "66MHz PCIX(M1) bus\n"); - config->bus_speed = 133; /* Herc doubles the clock rate */ break; case PCI_MODE_PCIX_M1_100: DBG_PRINT(ERR_DBG, "100MHz PCIX(M1) bus\n"); - config->bus_speed = 200; break; case PCI_MODE_PCIX_M1_133: DBG_PRINT(ERR_DBG, "133MHz PCIX(M1) bus\n"); - config->bus_speed = 266; break; case PCI_MODE_PCIX_M2_66: DBG_PRINT(ERR_DBG, "133MHz PCIX(M2) bus\n"); - config->bus_speed = 133; break; case PCI_MODE_PCIX_M2_100: DBG_PRINT(ERR_DBG, "200MHz PCIX(M2) bus\n"); - config->bus_speed = 200; break; case PCI_MODE_PCIX_M2_133: DBG_PRINT(ERR_DBG, "266MHz PCIX(M2) bus\n"); - config->bus_speed = 266; break; default: return -1; /* Unsupported bus speed */ @@ -854,7 +934,7 @@ static int init_nic(struct s2io_nic *nic) int i, j; mac_info_t *mac_control; struct config_param *config; - int mdio_cnt = 0, dtx_cnt = 0; + int dtx_cnt = 0; unsigned long long mem_share; int mem_size; @@ -901,20 +981,6 @@ static int init_nic(struct s2io_nic *nic) val64 = dev->mtu; writeq(vBIT(val64, 2, 14), &bar0->rmac_max_pyld_len); - /* - * Configuring the XAUI Interface of Xena. - * *************************************** - * To Configure the Xena's XAUI, one has to write a series - * of 64 bit values into two registers in a particular - * sequence. Hence a macro 'SWITCH_SIGN' has been defined - * which will be defined in the array of configuration values - * (xena_dtx_cfg & xena_mdio_cfg) at appropriate places - * to switch writing from one regsiter to another. We continue - * writing these values until we encounter the 'END_SIGN' macro. - * For example, After making a series of 21 writes into - * dtx_control register the 'SWITCH_SIGN' appears and hence we - * start writing into mdio_control until we encounter END_SIGN. - */ if (nic->device_type & XFRAME_II_DEVICE) { while (herc_act_dtx_cfg[dtx_cnt] != END_SIGN) { SPECIAL_REG_WRITE(herc_act_dtx_cfg[dtx_cnt], @@ -924,35 +990,11 @@ static int init_nic(struct s2io_nic *nic) dtx_cnt++; } } else { - while (1) { - dtx_cfg: - while (xena_dtx_cfg[dtx_cnt] != END_SIGN) { - if (xena_dtx_cfg[dtx_cnt] == SWITCH_SIGN) { - dtx_cnt++; - goto mdio_cfg; - } - SPECIAL_REG_WRITE(xena_dtx_cfg[dtx_cnt], - &bar0->dtx_control, UF); - val64 = readq(&bar0->dtx_control); - dtx_cnt++; - } - mdio_cfg: - while (xena_mdio_cfg[mdio_cnt] != END_SIGN) { - if (xena_mdio_cfg[mdio_cnt] == SWITCH_SIGN) { - mdio_cnt++; - goto dtx_cfg; - } - SPECIAL_REG_WRITE(xena_mdio_cfg[mdio_cnt], - &bar0->mdio_control, UF); - val64 = readq(&bar0->mdio_control); - mdio_cnt++; - } - if ((xena_dtx_cfg[dtx_cnt] == END_SIGN) && - (xena_mdio_cfg[mdio_cnt] == END_SIGN)) { - break; - } else { - goto dtx_cfg; - } + while (xena_dtx_cfg[dtx_cnt] != END_SIGN) { + SPECIAL_REG_WRITE(xena_dtx_cfg[dtx_cnt], + &bar0->dtx_control, UF); + val64 = readq(&bar0->dtx_control); + dtx_cnt++; } } @@ -994,11 +1036,6 @@ static int init_nic(struct s2io_nic *nic) } } - /* Enable Tx FIFO partition 0. */ - val64 = readq(&bar0->tx_fifo_partition_0); - val64 |= BIT(0); /* To enable the FIFO partition. */ - writeq(val64, &bar0->tx_fifo_partition_0); - /* * Disable 4 PCCs for Xena1, 2 and 3 as per H/W bug * SXE-008 TRANSMIT DMA ARBITRATION ISSUE. @@ -1177,6 +1214,11 @@ static int init_nic(struct s2io_nic *nic) break; } + /* Enable Tx FIFO partition 0. */ + val64 = readq(&bar0->tx_fifo_partition_0); + val64 |= (TX_FIFO_PARTITION_EN); + writeq(val64, &bar0->tx_fifo_partition_0); + /* Filling the Rx round robin registers as per the * number of Rings and steering based on QoS. */ @@ -1545,19 +1587,26 @@ static int init_nic(struct s2io_nic *nic) val64 |= PIC_CNTL_SHARED_SPLITS(shared_splits); writeq(val64, &bar0->pic_control); + if (nic->config.bus_speed == 266) { + writeq(TXREQTO_VAL(0x7f) | TXREQTO_EN, &bar0->txreqtimeout); + writeq(0x0, &bar0->read_retry_delay); + writeq(0x0, &bar0->write_retry_delay); + } + /* * Programming the Herc to split every write transaction * that does not start on an ADB to reduce disconnects. */ if (nic->device_type == XFRAME_II_DEVICE) { - val64 = WREQ_SPLIT_MASK_SET_MASK(255); - writeq(val64, &bar0->wreq_split_mask); - } - - /* Setting Link stability period to 64 ms */ - if (nic->device_type == XFRAME_II_DEVICE) { - val64 = MISC_LINK_STABILITY_PRD(3); + val64 = EXT_REQ_EN | MISC_LINK_STABILITY_PRD(3); writeq(val64, &bar0->misc_control); + val64 = readq(&bar0->pic_control2); + val64 &= ~(BIT(13)|BIT(14)|BIT(15)); + writeq(val64, &bar0->pic_control2); + } + if (strstr(nic->product_name, "CX4")) { + val64 = TMAC_AVG_IPG(0x17); + writeq(val64, &bar0->tmac_avg_ipg); } return SUCCESS; @@ -1948,6 +1997,10 @@ static int start_nic(struct s2io_nic *nic) val64 |= PRC_CTRL_RC_ENABLED; else val64 |= PRC_CTRL_RC_ENABLED | PRC_CTRL_RING_MODE_3; + if (nic->device_type == XFRAME_II_DEVICE) + val64 |= PRC_CTRL_GROUP_READS; + val64 &= ~PRC_CTRL_RXD_BACKOFF_INTERVAL(0xFFFFFF); + val64 |= PRC_CTRL_RXD_BACKOFF_INTERVAL(0x1000); writeq(val64, &bar0->prc_ctrl_n[i]); } @@ -2018,6 +2071,13 @@ static int start_nic(struct s2io_nic *nic) val64 |= ADAPTER_EOI_TX_ON; writeq(val64, &bar0->adapter_control); + if (s2io_link_fault_indication(nic) == MAC_RMAC_ERR_TIMER) { + /* + * Dont see link state interrupts initally on some switches, + * so directly scheduling the link state task here. + */ + schedule_work(&nic->set_link_task); + } /* SXE-002: Initialize link and activity LED */ subid = nic->pdev->subsystem_device; if (((subid & 0xFF) >= 0x07) && @@ -2029,12 +2089,6 @@ static int start_nic(struct s2io_nic *nic) writeq(val64, (void __iomem *)bar0 + 0x2700); } - /* - * Don't see link state interrupts on certain switches, so - * directly scheduling a link state task from here. - */ - schedule_work(&nic->set_link_task); - return SUCCESS; } /** @@ -2134,7 +2188,7 @@ static void stop_nic(struct s2io_nic *nic) { XENA_dev_config_t __iomem *bar0 = nic->bar0; register u64 val64 = 0; - u16 interruptible, i; + u16 interruptible; mac_info_t *mac_control; struct config_param *config; @@ -2147,12 +2201,10 @@ static void stop_nic(struct s2io_nic *nic) interruptible |= TX_MAC_INTR | RX_MAC_INTR; en_dis_able_nic_intrs(nic, interruptible, DISABLE_INTRS); - /* Disable PRCs */ - for (i = 0; i < config->rx_ring_num; i++) { - val64 = readq(&bar0->prc_ctrl_n[i]); - val64 &= ~((u64) PRC_CTRL_RC_ENABLED); - writeq(val64, &bar0->prc_ctrl_n[i]); - } + /* Clearing Adapter_En bit of ADAPTER_CONTROL Register */ + val64 = readq(&bar0->adapter_control); + val64 &= ~(ADAPTER_CNTL_EN); + writeq(val64, &bar0->adapter_control); } static int fill_rxd_3buf(nic_t *nic, RxD_t *rxdp, struct sk_buff *skb) @@ -2231,13 +2283,12 @@ static int fill_rx_buffers(struct s2io_nic *nic, int ring_no) alloc_cnt = mac_control->rings[ring_no].pkt_cnt - atomic_read(&nic->rx_bufs_left[ring_no]); + block_no1 = mac_control->rings[ring_no].rx_curr_get_info.block_index; + off1 = mac_control->rings[ring_no].rx_curr_get_info.offset; while (alloc_tab < alloc_cnt) { block_no = mac_control->rings[ring_no].rx_curr_put_info. block_index; - block_no1 = mac_control->rings[ring_no].rx_curr_get_info. - block_index; off = mac_control->rings[ring_no].rx_curr_put_info.offset; - off1 = mac_control->rings[ring_no].rx_curr_get_info.offset; rxdp = mac_control->rings[ring_no]. rx_blocks[block_no].rxds[off].virt_addr; @@ -2307,9 +2358,9 @@ static int fill_rx_buffers(struct s2io_nic *nic, int ring_no) memset(rxdp, 0, sizeof(RxD1_t)); skb_reserve(skb, NET_IP_ALIGN); ((RxD1_t*)rxdp)->Buffer0_ptr = pci_map_single - (nic->pdev, skb->data, size, PCI_DMA_FROMDEVICE); - rxdp->Control_2 &= (~MASK_BUFFER0_SIZE_1); - rxdp->Control_2 |= SET_BUFFER0_SIZE_1(size); + (nic->pdev, skb->data, size - NET_IP_ALIGN, + PCI_DMA_FROMDEVICE); + rxdp->Control_2 = SET_BUFFER0_SIZE_1(size - NET_IP_ALIGN); } else if (nic->rxd_mode >= RXD_MODE_3A) { /* @@ -2516,7 +2567,7 @@ static int s2io_poll(struct net_device *dev, int *budget) mac_info_t *mac_control; struct config_param *config; XENA_dev_config_t __iomem *bar0 = nic->bar0; - u64 val64; + u64 val64 = 0xFFFFFFFFFFFFFFFFULL; int i; atomic_inc(&nic->isr_cnt); @@ -2528,8 +2579,8 @@ static int s2io_poll(struct net_device *dev, int *budget) nic->pkts_to_process = dev->quota; org_pkts_to_process = nic->pkts_to_process; - val64 = readq(&bar0->rx_traffic_int); writeq(val64, &bar0->rx_traffic_int); + val64 = readl(&bar0->rx_traffic_int); for (i = 0; i < config->rx_ring_num; i++) { rx_intr_handler(&mac_control->rings[i]); @@ -2554,7 +2605,8 @@ static int s2io_poll(struct net_device *dev, int *budget) } } /* Re enable the Rx interrupts. */ - en_dis_able_nic_intrs(nic, RX_TRAFFIC_INTR, ENABLE_INTRS); + writeq(0x0, &bar0->rx_traffic_mask); + val64 = readl(&bar0->rx_traffic_mask); atomic_dec(&nic->isr_cnt); return 0; @@ -2666,6 +2718,7 @@ static void rx_intr_handler(ring_info_t *ring_data) ((RxD3_t*)rxdp)->Buffer2_ptr, dev->mtu, PCI_DMA_FROMDEVICE); } + prefetch(skb->data); rx_osm_handler(ring_data, rxdp); get_info.offset++; ring_data->rx_curr_get_info.offset = get_info.offset; @@ -2737,6 +2790,10 @@ static void tx_intr_handler(fifo_info_t *fifo_data) if (txdlp->Control_1 & TXD_T_CODE) { unsigned long long err; err = txdlp->Control_1 & TXD_T_CODE; + if (err & 0x1) { + nic->mac_control.stats_info->sw_stat. + parity_err_cnt++; + } if ((err >> 48) == 0xA) { DBG_PRINT(TX_DBG, "TxD returned due \ to loss of link\n"); @@ -2760,7 +2817,8 @@ to loss of link\n"); dev_kfree_skb_irq(skb); get_info.offset++; - get_info.offset %= get_info.fifo_len + 1; + if (get_info.offset == get_info.fifo_len + 1) + get_info.offset = 0; txdlp = (TxD_t *) fifo_data->list_info [get_info.offset].list_virt_addr; fifo_data->tx_curr_get_info.offset = @@ -2774,6 +2832,256 @@ to loss of link\n"); } /** + * s2io_mdio_write - Function to write in to MDIO registers + * @mmd_type : MMD type value (PMA/PMD/WIS/PCS/PHYXS) + * @addr : address value + * @value : data value + * @dev : pointer to net_device structure + * Description: + * This function is used to write values to the MDIO registers + * NONE + */ +static void s2io_mdio_write(u32 mmd_type, u64 addr, u16 value, struct net_device *dev) +{ + u64 val64 = 0x0; + nic_t *sp = dev->priv; + XENA_dev_config_t *bar0 = (XENA_dev_config_t *)sp->bar0; + + //address transaction + val64 = val64 | MDIO_MMD_INDX_ADDR(addr) + | MDIO_MMD_DEV_ADDR(mmd_type) + | MDIO_MMS_PRT_ADDR(0x0); + writeq(val64, &bar0->mdio_control); + val64 = val64 | MDIO_CTRL_START_TRANS(0xE); + writeq(val64, &bar0->mdio_control); + udelay(100); + + //Data transaction + val64 = 0x0; + val64 = val64 | MDIO_MMD_INDX_ADDR(addr) + | MDIO_MMD_DEV_ADDR(mmd_type) + | MDIO_MMS_PRT_ADDR(0x0) + | MDIO_MDIO_DATA(value) + | MDIO_OP(MDIO_OP_WRITE_TRANS); + writeq(val64, &bar0->mdio_control); + val64 = val64 | MDIO_CTRL_START_TRANS(0xE); + writeq(val64, &bar0->mdio_control); + udelay(100); + + val64 = 0x0; + val64 = val64 | MDIO_MMD_INDX_ADDR(addr) + | MDIO_MMD_DEV_ADDR(mmd_type) + | MDIO_MMS_PRT_ADDR(0x0) + | MDIO_OP(MDIO_OP_READ_TRANS); + writeq(val64, &bar0->mdio_control); + val64 = val64 | MDIO_CTRL_START_TRANS(0xE); + writeq(val64, &bar0->mdio_control); + udelay(100); + +} + +/** + * s2io_mdio_read - Function to write in to MDIO registers + * @mmd_type : MMD type value (PMA/PMD/WIS/PCS/PHYXS) + * @addr : address value + * @dev : pointer to net_device structure + * Description: + * This function is used to read values to the MDIO registers + * NONE + */ +static u64 s2io_mdio_read(u32 mmd_type, u64 addr, struct net_device *dev) +{ + u64 val64 = 0x0; + u64 rval64 = 0x0; + nic_t *sp = dev->priv; + XENA_dev_config_t *bar0 = (XENA_dev_config_t *)sp->bar0; + + /* address transaction */ + val64 = val64 | MDIO_MMD_INDX_ADDR(addr) + | MDIO_MMD_DEV_ADDR(mmd_type) + | MDIO_MMS_PRT_ADDR(0x0); + writeq(val64, &bar0->mdio_control); + val64 = val64 | MDIO_CTRL_START_TRANS(0xE); + writeq(val64, &bar0->mdio_control); + udelay(100); + + /* Data transaction */ + val64 = 0x0; + val64 = val64 | MDIO_MMD_INDX_ADDR(addr) + | MDIO_MMD_DEV_ADDR(mmd_type) + | MDIO_MMS_PRT_ADDR(0x0) + | MDIO_OP(MDIO_OP_READ_TRANS); + writeq(val64, &bar0->mdio_control); + val64 = val64 | MDIO_CTRL_START_TRANS(0xE); + writeq(val64, &bar0->mdio_control); + udelay(100); + + /* Read the value from regs */ + rval64 = readq(&bar0->mdio_control); + rval64 = rval64 & 0xFFFF0000; + rval64 = rval64 >> 16; + return rval64; +} +/** + * s2io_chk_xpak_counter - Function to check the status of the xpak counters + * @counter : couter value to be updated + * @flag : flag to indicate the status + * @type : counter type + * Description: + * This function is to check the status of the xpak counters value + * NONE + */ + +static void s2io_chk_xpak_counter(u64 *counter, u64 * regs_stat, u32 index, u16 flag, u16 type) +{ + u64 mask = 0x3; + u64 val64; + int i; + for(i = 0; i <index; i++) + mask = mask << 0x2; + + if(flag > 0) + { + *counter = *counter + 1; + val64 = *regs_stat & mask; + val64 = val64 >> (index * 0x2); + val64 = val64 + 1; + if(val64 == 3) + { + switch(type) + { + case 1: + DBG_PRINT(ERR_DBG, "Take Xframe NIC out of " + "service. Excessive temperatures may " + "result in premature transceiver " + "failure \n"); + break; + case 2: + DBG_PRINT(ERR_DBG, "Take Xframe NIC out of " + "service Excessive bias currents may " + "indicate imminent laser diode " + "failure \n"); + break; + case 3: + DBG_PRINT(ERR_DBG, "Take Xframe NIC out of " + "service Excessive laser output " + "power may saturate far-end " + "receiver\n"); + break; + default: + DBG_PRINT(ERR_DBG, "Incorrect XPAK Alarm " + "type \n"); + } + val64 = 0x0; + } + val64 = val64 << (index * 0x2); + *regs_stat = (*regs_stat & (~mask)) | (val64); + + } else { + *regs_stat = *regs_stat & (~mask); + } +} + +/** + * s2io_updt_xpak_counter - Function to update the xpak counters + * @dev : pointer to net_device struct + * Description: + * This function is to upate the status of the xpak counters value + * NONE + */ +static void s2io_updt_xpak_counter(struct net_device *dev) +{ + u16 flag = 0x0; + u16 type = 0x0; + u16 val16 = 0x0; + u64 val64 = 0x0; + u64 addr = 0x0; + + nic_t *sp = dev->priv; + StatInfo_t *stat_info = sp->mac_control.stats_info; + + /* Check the communication with the MDIO slave */ + addr = 0x0000; + val64 = 0x0; + val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev); + if((val64 == 0xFFFF) || (val64 == 0x0000)) + { + DBG_PRINT(ERR_DBG, "ERR: MDIO slave access failed - " + "Returned %llx\n", (unsigned long long)val64); + return; + } + + /* Check for the expecte value of 2040 at PMA address 0x0000 */ + if(val64 != 0x2040) + { + DBG_PRINT(ERR_DBG, "Incorrect value at PMA address 0x0000 - "); + DBG_PRINT(ERR_DBG, "Returned: %llx- Expected: 0x2040\n", + (unsigned long long)val64); + return; + } + + /* Loading the DOM register to MDIO register */ + addr = 0xA100; + s2io_mdio_write(MDIO_MMD_PMA_DEV_ADDR, addr, val16, dev); + val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev); + + /* Reading the Alarm flags */ + addr = 0xA070; + val64 = 0x0; + val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev); + + flag = CHECKBIT(val64, 0x7); + type = 1; + s2io_chk_xpak_counter(&stat_info->xpak_stat.alarm_transceiver_temp_high, + &stat_info->xpak_stat.xpak_regs_stat, + 0x0, flag, type); + + if(CHECKBIT(val64, 0x6)) + stat_info->xpak_stat.alarm_transceiver_temp_low++; + + flag = CHECKBIT(val64, 0x3); + type = 2; + s2io_chk_xpak_counter(&stat_info->xpak_stat.alarm_laser_bias_current_high, + &stat_info->xpak_stat.xpak_regs_stat, + 0x2, flag, type); + + if(CHECKBIT(val64, 0x2)) + stat_info->xpak_stat.alarm_laser_bias_current_low++; + + flag = CHECKBIT(val64, 0x1); + type = 3; + s2io_chk_xpak_counter(&stat_info->xpak_stat.alarm_laser_output_power_high, + &stat_info->xpak_stat.xpak_regs_stat, + 0x4, flag, type); + + if(CHECKBIT(val64, 0x0)) + stat_info->xpak_stat.alarm_laser_output_power_low++; + + /* Reading the Warning flags */ + addr = 0xA074; + val64 = 0x0; + val64 = s2io_mdio_read(MDIO_MMD_PMA_DEV_ADDR, addr, dev); + + if(CHECKBIT(val64, 0x7)) + stat_info->xpak_stat.warn_transceiver_temp_high++; + + if(CHECKBIT(val64, 0x6)) + stat_info->xpak_stat.warn_transceiver_temp_low++; + + if(CHECKBIT(val64, 0x3)) + stat_info->xpak_stat.warn_laser_bias_current_high++; + + if(CHECKBIT(val64, 0x2)) + stat_info->xpak_stat.warn_laser_bias_current_low++; + + if(CHECKBIT(val64, 0x1)) + stat_info->xpak_stat.warn_laser_output_power_high++; + + if(CHECKBIT(val64, 0x0)) + stat_info->xpak_stat.warn_laser_output_power_low++; +} + +/** * alarm_intr_handler - Alarm Interrrupt handler * @nic: device private variable * Description: If the interrupt was neither because of Rx packet or Tx @@ -2790,6 +3098,18 @@ static void alarm_intr_handler(struct s2io_nic *nic) struct net_device *dev = (struct net_device *) nic->dev; XENA_dev_config_t __iomem *bar0 = nic->bar0; register u64 val64 = 0, err_reg = 0; + u64 cnt; + int i; + nic->mac_control.stats_info->sw_stat.ring_full_cnt = 0; + /* Handling the XPAK counters update */ + if(nic->mac_control.stats_info->xpak_stat.xpak_timer_count < 72000) { + /* waiting for an hour */ + nic->mac_control.stats_info->xpak_stat.xpak_timer_count++; + } else { + s2io_updt_xpak_counter(dev); + /* reset the count to zero */ + nic->mac_control.stats_info->xpak_stat.xpak_timer_count = 0; + } /* Handling link status change error Intr */ if (s2io_link_fault_indication(nic) == MAC_RMAC_ERR_TIMER) { @@ -2816,6 +3136,8 @@ static void alarm_intr_handler(struct s2io_nic *nic) MC_ERR_REG_MIRI_ECC_DB_ERR_1)) { netif_stop_queue(dev); schedule_work(&nic->rst_timer_task); + nic->mac_control.stats_info->sw_stat. + soft_reset_cnt++; } } } else { @@ -2827,11 +3149,13 @@ static void alarm_intr_handler(struct s2io_nic *nic) /* In case of a serious error, the device will be Reset. */ val64 = readq(&bar0->serr_source); if (val64 & SERR_SOURCE_ANY) { + nic->mac_control.stats_info->sw_stat.serious_err_cnt++; DBG_PRINT(ERR_DBG, "%s: Device indicates ", dev->name); DBG_PRINT(ERR_DBG, "serious error %llx!!\n", (unsigned long long)val64); netif_stop_queue(dev); schedule_work(&nic->rst_timer_task); + nic->mac_control.stats_info->sw_stat.soft_reset_cnt++; } /* @@ -2849,6 +3173,35 @@ static void alarm_intr_handler(struct s2io_nic *nic) ac = readq(&bar0->adapter_control); schedule_work(&nic->set_link_task); } + /* Check for data parity error */ + val64 = readq(&bar0->pic_int_status); + if (val64 & PIC_INT_GPIO) { + val64 = readq(&bar0->gpio_int_reg); + if (val64 & GPIO_INT_REG_DP_ERR_INT) { + nic->mac_control.stats_info->sw_stat.parity_err_cnt++; + schedule_work(&nic->rst_timer_task); + nic->mac_control.stats_info->sw_stat.soft_reset_cnt++; + } + } + + /* Check for ring full counter */ + if (nic->device_type & XFRAME_II_DEVICE) { + val64 = readq(&bar0->ring_bump_counter1); + for (i=0; i<4; i++) { + cnt = ( val64 & vBIT(0xFFFF,(i*16),16)); + cnt >>= 64 - ((i+1)*16); + nic->mac_control.stats_info->sw_stat.ring_full_cnt + += cnt; + } + + val64 = readq(&bar0->ring_bump_counter2); + for (i=0; i<4; i++) { + cnt = ( val64 & vBIT(0xFFFF,(i*16),16)); + cnt >>= 64 - ((i+1)*16); + nic->mac_control.stats_info->sw_stat.ring_full_cnt + += cnt; + } + } /* Other type of interrupts are not being handled now, TODO */ } @@ -2864,23 +3217,26 @@ static void alarm_intr_handler(struct s2io_nic *nic) * SUCCESS on success and FAILURE on failure. */ -static int wait_for_cmd_complete(nic_t * sp) +static int wait_for_cmd_complete(void *addr, u64 busy_bit) { - XENA_dev_config_t __iomem *bar0 = sp->bar0; int ret = FAILURE, cnt = 0; u64 val64; while (TRUE) { - val64 = readq(&bar0->rmac_addr_cmd_mem); - if (!(val64 & RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING)) { + val64 = readq(addr); + if (!(val64 & busy_bit)) { ret = SUCCESS; break; } - msleep(50); + + if(in_interrupt()) + mdelay(50); + else + msleep(50); + if (cnt++ > 10) break; } - return ret; } @@ -2919,6 +3275,9 @@ static void s2io_reset(nic_t * sp) * PCI write to sw_reset register is done by this time. */ msleep(250); + if (strstr(sp->product_name, "CX4")) { + msleep(750); + } /* Restore the PCI state saved during initialization. */ pci_restore_state(sp->pdev); @@ -3137,7 +3496,7 @@ static void restore_xmsi_data(nic_t *nic) u64 val64; int i; - for (i=0; i< MAX_REQUESTED_MSI_X; i++) { + for (i=0; i< nic->avail_msix_vectors; i++) { writeq(nic->msix_info[i].addr, &bar0->xmsi_address); writeq(nic->msix_info[i].data, &bar0->xmsi_data); val64 = (BIT(7) | BIT(15) | vBIT(i, 26, 6)); @@ -3156,7 +3515,7 @@ static void store_xmsi_data(nic_t *nic) int i; /* Store and display */ - for (i=0; i< MAX_REQUESTED_MSI_X; i++) { + for (i=0; i< nic->avail_msix_vectors; i++) { val64 = (BIT(15) | vBIT(i, 26, 6)); writeq(val64, &bar0->xmsi_access); if (wait_for_msix_trans(nic, i)) { @@ -3284,15 +3643,24 @@ static int s2io_enable_msi_x(nic_t *nic) writeq(tx_mat, &bar0->tx_mat0_n[7]); } + nic->avail_msix_vectors = 0; ret = pci_enable_msix(nic->pdev, nic->entries, MAX_REQUESTED_MSI_X); + /* We fail init if error or we get less vectors than min required */ + if (ret >= (nic->config.tx_fifo_num + nic->config.rx_ring_num + 1)) { + nic->avail_msix_vectors = ret; + ret = pci_enable_msix(nic->pdev, nic->entries, ret); + } if (ret) { DBG_PRINT(ERR_DBG, "%s: Enabling MSIX failed\n", nic->dev->name); kfree(nic->entries); kfree(nic->s2io_entries); nic->entries = NULL; nic->s2io_entries = NULL; + nic->avail_msix_vectors = 0; return -ENOMEM; } + if (!nic->avail_msix_vectors) + nic->avail_msix_vectors = MAX_REQUESTED_MSI_X; /* * To enable MSI-X, MSI also needs to be enabled, due to a bug @@ -3325,8 +3693,6 @@ static int s2io_open(struct net_device *dev) { nic_t *sp = dev->priv; int err = 0; - int i; - u16 msi_control; /* Temp variable */ /* * Make sure you have link off by default every time @@ -3336,11 +3702,14 @@ static int s2io_open(struct net_device *dev) sp->last_link_state = 0; /* Initialize H/W and enable interrupts */ - if (s2io_card_up(sp)) { + err = s2io_card_up(sp); + if (err) { DBG_PRINT(ERR_DBG, "%s: H/W initialization failed\n", dev->name); - err = -ENODEV; - goto hw_init_failed; + if (err == -ENODEV) + goto hw_init_failed; + else + goto hw_enable_failed; } /* Store the values of the MSIX table in the nic_t structure */ @@ -3357,6 +3726,8 @@ failed\n", dev->name); } } if (sp->intr_type == MSI_X) { + int i; + for (i=1; (sp->s2io_entries[i].in_use == MSIX_FLG); i++) { if (sp->s2io_entries[i].type == MSIX_FIFO_TYPE) { sprintf(sp->desc1, "%s:MSI-X-%d-TX", @@ -3409,24 +3780,26 @@ setting_mac_address_failed: isr_registration_failed: del_timer_sync(&sp->alarm_timer); if (sp->intr_type == MSI_X) { - if (sp->device_type == XFRAME_II_DEVICE) { - for (i=1; (sp->s2io_entries[i].in_use == - MSIX_REGISTERED_SUCCESS); i++) { - int vector = sp->entries[i].vector; - void *arg = sp->s2io_entries[i].arg; + int i; + u16 msi_control; /* Temp variable */ - free_irq(vector, arg); - } - pci_disable_msix(sp->pdev); + for (i=1; (sp->s2io_entries[i].in_use == + MSIX_REGISTERED_SUCCESS); i++) { + int vector = sp->entries[i].vector; + void *arg = sp->s2io_entries[i].arg; - /* Temp */ - pci_read_config_word(sp->pdev, 0x42, &msi_control); - msi_control &= 0xFFFE; /* Disable MSI */ - pci_write_config_word(sp->pdev, 0x42, msi_control); + free_irq(vector, arg); } + pci_disable_msix(sp->pdev); + + /* Temp */ + pci_read_config_word(sp->pdev, 0x42, &msi_control); + msi_control &= 0xFFFE; /* Disable MSI */ + pci_write_config_word(sp->pdev, 0x42, msi_control); } else if (sp->intr_type == MSI) pci_disable_msi(sp->pdev); +hw_enable_failed: s2io_reset(sp); hw_init_failed: if (sp->intr_type == MSI_X) { @@ -3454,35 +3827,12 @@ hw_init_failed: static int s2io_close(struct net_device *dev) { nic_t *sp = dev->priv; - int i; - u16 msi_control; flush_scheduled_work(); netif_stop_queue(dev); /* Reset card, kill tasklet and free Tx and Rx buffers. */ - s2io_card_down(sp); - - if (sp->intr_type == MSI_X) { - if (sp->device_type == XFRAME_II_DEVICE) { - for (i=1; (sp->s2io_entries[i].in_use == - MSIX_REGISTERED_SUCCESS); i++) { - int vector = sp->entries[i].vector; - void *arg = sp->s2io_entries[i].arg; + s2io_card_down(sp, 1); - free_irq(vector, arg); - } - pci_read_config_word(sp->pdev, 0x42, &msi_control); - msi_control &= 0xFFFE; /* Disable MSI */ - pci_write_config_word(sp->pdev, 0x42, msi_control); - - pci_disable_msix(sp->pdev); - } - } - else { - free_irq(sp->pdev->irq, dev); - if (sp->intr_type == MSI) - pci_disable_msi(sp->pdev); - } sp->device_close_flag = TRUE; /* Device is shut down. */ return 0; } @@ -3545,7 +3895,8 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) queue_len = mac_control->fifos[queue].tx_curr_put_info.fifo_len + 1; /* Avoid "put" pointer going beyond "get" pointer */ - if (txdp->Host_Control || (((put_off + 1) % queue_len) == get_off)) { + if (txdp->Host_Control || + ((put_off+1) == queue_len ? 0 : (put_off+1)) == get_off) { DBG_PRINT(TX_DBG, "Error in xmit, No free TXDs.\n"); netif_stop_queue(dev); dev_kfree_skb(skb); @@ -3655,11 +4006,13 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) mmiowb(); put_off++; - put_off %= mac_control->fifos[queue].tx_curr_put_info.fifo_len + 1; + if (put_off == mac_control->fifos[queue].tx_curr_put_info.fifo_len + 1) + put_off = 0; mac_control->fifos[queue].tx_curr_put_info.offset = put_off; /* Avoid "put" pointer going beyond "get" pointer */ - if (((put_off + 1) % queue_len) == get_off) { + if (((put_off+1) == queue_len ? 0 : (put_off+1)) == get_off) { + sp->mac_control.stats_info->sw_stat.fifo_full_cnt++; DBG_PRINT(TX_DBG, "No free TxDs for xmit, Put: 0x%x Get:0x%x\n", put_off, get_off); @@ -3795,7 +4148,6 @@ s2io_msix_fifo_handle(int irq, void *dev_id, struct pt_regs *regs) atomic_dec(&sp->isr_cnt); return IRQ_HANDLED; } - static void s2io_txpic_intr_handle(nic_t *sp) { XENA_dev_config_t __iomem *bar0 = sp->bar0; @@ -3806,41 +4158,56 @@ static void s2io_txpic_intr_handle(nic_t *sp) val64 = readq(&bar0->gpio_int_reg); if ((val64 & GPIO_INT_REG_LINK_DOWN) && (val64 & GPIO_INT_REG_LINK_UP)) { + /* + * This is unstable state so clear both up/down + * interrupt and adapter to re-evaluate the link state. + */ val64 |= GPIO_INT_REG_LINK_DOWN; val64 |= GPIO_INT_REG_LINK_UP; writeq(val64, &bar0->gpio_int_reg); - goto masking; - } - - if (((sp->last_link_state == LINK_UP) && - (val64 & GPIO_INT_REG_LINK_DOWN)) || - ((sp->last_link_state == LINK_DOWN) && - (val64 & GPIO_INT_REG_LINK_UP))) { val64 = readq(&bar0->gpio_int_mask); - val64 |= GPIO_INT_MASK_LINK_DOWN; - val64 |= GPIO_INT_MASK_LINK_UP; + val64 &= ~(GPIO_INT_MASK_LINK_UP | + GPIO_INT_MASK_LINK_DOWN); writeq(val64, &bar0->gpio_int_mask); - s2io_set_link((unsigned long)sp); } -masking: - if (sp->last_link_state == LINK_UP) { - /*enable down interrupt */ - val64 = readq(&bar0->gpio_int_mask); - /* unmasks link down intr */ - val64 &= ~GPIO_INT_MASK_LINK_DOWN; - /* masks link up intr */ - val64 |= GPIO_INT_MASK_LINK_UP; - writeq(val64, &bar0->gpio_int_mask); - } else { - /*enable UP Interrupt */ - val64 = readq(&bar0->gpio_int_mask); - /* unmasks link up interrupt */ - val64 &= ~GPIO_INT_MASK_LINK_UP; - /* masks link down interrupt */ - val64 |= GPIO_INT_MASK_LINK_DOWN; - writeq(val64, &bar0->gpio_int_mask); + else if (val64 & GPIO_INT_REG_LINK_UP) { + val64 = readq(&bar0->adapter_status); + if (verify_xena_quiescence(sp, val64, + sp->device_enabled_once)) { + /* Enable Adapter */ + val64 = readq(&bar0->adapter_control); + val64 |= ADAPTER_CNTL_EN; + writeq(val64, &bar0->adapter_control); + val64 |= ADAPTER_LED_ON; + writeq(val64, &bar0->adapter_control); + if (!sp->device_enabled_once) + sp->device_enabled_once = 1; + + s2io_link(sp, LINK_UP); + /* + * unmask link down interrupt and mask link-up + * intr + */ + val64 = readq(&bar0->gpio_int_mask); + val64 &= ~GPIO_INT_MASK_LINK_DOWN; + val64 |= GPIO_INT_MASK_LINK_UP; + writeq(val64, &bar0->gpio_int_mask); + + } + }else if (val64 & GPIO_INT_REG_LINK_DOWN) { + val64 = readq(&bar0->adapter_status); + if (verify_xena_quiescence(sp, val64, + sp->device_enabled_once)) { + s2io_link(sp, LINK_DOWN); + /* Link is down so unmaks link up interrupt */ + val64 = readq(&bar0->gpio_int_mask); + val64 &= ~GPIO_INT_MASK_LINK_UP; + val64 |= GPIO_INT_MASK_LINK_DOWN; + writeq(val64, &bar0->gpio_int_mask); + } } } + val64 = readq(&bar0->gpio_int_mask); } /** @@ -3863,7 +4230,7 @@ static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs) nic_t *sp = dev->priv; XENA_dev_config_t __iomem *bar0 = sp->bar0; int i; - u64 reason = 0, val64; + u64 reason = 0, val64, org_mask; mac_info_t *mac_control; struct config_param *config; @@ -3887,43 +4254,41 @@ static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs) return IRQ_NONE; } + val64 = 0xFFFFFFFFFFFFFFFFULL; + /* Store current mask before masking all interrupts */ + org_mask = readq(&bar0->general_int_mask); + writeq(val64, &bar0->general_int_mask); + #ifdef CONFIG_S2IO_NAPI if (reason & GEN_INTR_RXTRAFFIC) { if (netif_rx_schedule_prep(dev)) { - en_dis_able_nic_intrs(sp, RX_TRAFFIC_INTR, - DISABLE_INTRS); + writeq(val64, &bar0->rx_traffic_mask); __netif_rx_schedule(dev); } } #else - /* If Intr is because of Rx Traffic */ - if (reason & GEN_INTR_RXTRAFFIC) { - /* - * rx_traffic_int reg is an R1 register, writing all 1's - * will ensure that the actual interrupt causing bit get's - * cleared and hence a read can be avoided. - */ - val64 = 0xFFFFFFFFFFFFFFFFULL; - writeq(val64, &bar0->rx_traffic_int); - for (i = 0; i < config->rx_ring_num; i++) { - rx_intr_handler(&mac_control->rings[i]); - } + /* + * Rx handler is called by default, without checking for the + * cause of interrupt. + * rx_traffic_int reg is an R1 register, writing all 1's + * will ensure that the actual interrupt causing bit get's + * cleared and hence a read can be avoided. + */ + writeq(val64, &bar0->rx_traffic_int); + for (i = 0; i < config->rx_ring_num; i++) { + rx_intr_handler(&mac_control->rings[i]); } #endif - /* If Intr is because of Tx Traffic */ - if (reason & GEN_INTR_TXTRAFFIC) { - /* - * tx_traffic_int reg is an R1 register, writing all 1's - * will ensure that the actual interrupt causing bit get's - * cleared and hence a read can be avoided. - */ - val64 = 0xFFFFFFFFFFFFFFFFULL; - writeq(val64, &bar0->tx_traffic_int); + /* + * tx_traffic_int reg is an R1 register, writing all 1's + * will ensure that the actual interrupt causing bit get's + * cleared and hence a read can be avoided. + */ + writeq(val64, &bar0->tx_traffic_int); - for (i = 0; i < config->tx_fifo_num; i++) - tx_intr_handler(&mac_control->fifos[i]); - } + for (i = 0; i < config->tx_fifo_num; i++) + tx_intr_handler(&mac_control->fifos[i]); if (reason & GEN_INTR_TXPIC) s2io_txpic_intr_handle(sp); @@ -3949,6 +4314,7 @@ static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs) DBG_PRINT(ERR_DBG, " in ISR!!\n"); clear_bit(0, (&sp->tasklet_status)); atomic_dec(&sp->isr_cnt); + writeq(org_mask, &bar0->general_int_mask); return IRQ_HANDLED; } clear_bit(0, (&sp->tasklet_status)); @@ -3964,7 +4330,7 @@ static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs) } } #endif - + writeq(org_mask, &bar0->general_int_mask); atomic_dec(&sp->isr_cnt); return IRQ_HANDLED; } @@ -4067,7 +4433,8 @@ static void s2io_set_multicast(struct net_device *dev) RMAC_ADDR_CMD_MEM_OFFSET(MAC_MC_ALL_MC_ADDR_OFFSET); writeq(val64, &bar0->rmac_addr_cmd_mem); /* Wait till command completes */ - wait_for_cmd_complete(sp); + wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, + RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING); sp->m_cast_flg = 1; sp->all_multi_pos = MAC_MC_ALL_MC_ADDR_OFFSET; @@ -4082,7 +4449,8 @@ static void s2io_set_multicast(struct net_device *dev) RMAC_ADDR_CMD_MEM_OFFSET(sp->all_multi_pos); writeq(val64, &bar0->rmac_addr_cmd_mem); /* Wait till command completes */ - wait_for_cmd_complete(sp); + wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, + RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING); sp->m_cast_flg = 0; sp->all_multi_pos = 0; @@ -4147,7 +4515,8 @@ static void s2io_set_multicast(struct net_device *dev) writeq(val64, &bar0->rmac_addr_cmd_mem); /* Wait for command completes */ - if (wait_for_cmd_complete(sp)) { + if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, + RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING)) { DBG_PRINT(ERR_DBG, "%s: Adding ", dev->name); DBG_PRINT(ERR_DBG, "Multicasts failed\n"); @@ -4177,7 +4546,8 @@ static void s2io_set_multicast(struct net_device *dev) writeq(val64, &bar0->rmac_addr_cmd_mem); /* Wait for command completes */ - if (wait_for_cmd_complete(sp)) { + if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, + RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING)) { DBG_PRINT(ERR_DBG, "%s: Adding ", dev->name); DBG_PRINT(ERR_DBG, "Multicasts failed\n"); @@ -4222,7 +4592,8 @@ static int s2io_set_mac_addr(struct net_device *dev, u8 * addr) RMAC_ADDR_CMD_MEM_OFFSET(0); writeq(val64, &bar0->rmac_addr_cmd_mem); /* Wait till command completes */ - if (wait_for_cmd_complete(sp)) { + if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, + RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING)) { DBG_PRINT(ERR_DBG, "%s: set_mac_addr failed\n", dev->name); return FAILURE; } @@ -4619,6 +4990,44 @@ static int write_eeprom(nic_t * sp, int off, u64 data, int cnt) } return ret; } +static void s2io_vpd_read(nic_t *nic) +{ + u8 vpd_data[256],data; + int i=0, cnt, fail = 0; + int vpd_addr = 0x80; + + if (nic->device_type == XFRAME_II_DEVICE) { + strcpy(nic->product_name, "Xframe II 10GbE network adapter"); + vpd_addr = 0x80; + } + else { + strcpy(nic->product_name, "Xframe I 10GbE network adapter"); + vpd_addr = 0x50; + } + + for (i = 0; i < 256; i +=4 ) { + pci_write_config_byte(nic->pdev, (vpd_addr + 2), i); + pci_read_config_byte(nic->pdev, (vpd_addr + 2), &data); + pci_write_config_byte(nic->pdev, (vpd_addr + 3), 0); + for (cnt = 0; cnt <5; cnt++) { + msleep(2); + pci_read_config_byte(nic->pdev, (vpd_addr + 3), &data); + if (data == 0x80) + break; + } + if (cnt >= 5) { + DBG_PRINT(ERR_DBG, "Read of VPD data failed\n"); + fail = 1; + break; + } + pci_read_config_dword(nic->pdev, (vpd_addr + 4), + (u32 *)&vpd_data[i]); + } + if ((!fail) && (vpd_data[1] < VPD_PRODUCT_NAME_LEN)) { + memset(nic->product_name, 0, vpd_data[1]); + memcpy(nic->product_name, &vpd_data[3], vpd_data[1]); + } +} /** * s2io_ethtool_geeprom - reads the value stored in the Eeprom. @@ -4931,8 +5340,10 @@ static int s2io_link_test(nic_t * sp, uint64_t * data) u64 val64; val64 = readq(&bar0->adapter_status); - if (val64 & ADAPTER_STATUS_RMAC_LOCAL_FAULT) + if(!(LINK_IS_UP(val64))) *data = 1; + else + *data = 0; return 0; } @@ -5112,7 +5523,6 @@ static void s2io_get_ethtool_stats(struct net_device *dev, int i = 0; nic_t *sp = dev->priv; StatInfo_t *stat_info = sp->mac_control.stats_info; - u64 tmp; s2io_updt_stats(sp); tmp_stats[i++] = @@ -5129,9 +5539,19 @@ static void s2io_get_ethtool_stats(struct net_device *dev, (u64)le32_to_cpu(stat_info->tmac_bcst_frms_oflow) << 32 | le32_to_cpu(stat_info->tmac_bcst_frms); tmp_stats[i++] = le64_to_cpu(stat_info->tmac_pause_ctrl_frms); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->tmac_ttl_octets_oflow) << 32 | + le32_to_cpu(stat_info->tmac_ttl_octets); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->tmac_ucst_frms_oflow) << 32 | + le32_to_cpu(stat_info->tmac_ucst_frms); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->tmac_nucst_frms_oflow) << 32 | + le32_to_cpu(stat_info->tmac_nucst_frms); tmp_stats[i++] = (u64)le32_to_cpu(stat_info->tmac_any_err_frms_oflow) << 32 | le32_to_cpu(stat_info->tmac_any_err_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->tmac_ttl_less_fb_octets); tmp_stats[i++] = le64_to_cpu(stat_info->tmac_vld_ip_octets); tmp_stats[i++] = (u64)le32_to_cpu(stat_info->tmac_vld_ip_oflow) << 32 | @@ -5163,11 +5583,27 @@ static void s2io_get_ethtool_stats(struct net_device *dev, (u64)le32_to_cpu(stat_info->rmac_vld_bcst_frms_oflow) << 32 | le32_to_cpu(stat_info->rmac_vld_bcst_frms); tmp_stats[i++] = le32_to_cpu(stat_info->rmac_in_rng_len_err_frms); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_out_rng_len_err_frms); tmp_stats[i++] = le64_to_cpu(stat_info->rmac_long_frms); tmp_stats[i++] = le64_to_cpu(stat_info->rmac_pause_ctrl_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_unsup_ctrl_frms); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_ttl_octets_oflow) << 32 | + le32_to_cpu(stat_info->rmac_ttl_octets); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_accepted_ucst_frms_oflow) + << 32 | le32_to_cpu(stat_info->rmac_accepted_ucst_frms); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_accepted_nucst_frms_oflow) + << 32 | le32_to_cpu(stat_info->rmac_accepted_nucst_frms); tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_discarded_frms_oflow) << 32 | le32_to_cpu(stat_info->rmac_discarded_frms); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_drop_events_oflow) + << 32 | le32_to_cpu(stat_info->rmac_drop_events); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_less_fb_octets); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_frms); tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_usized_frms_oflow) << 32 | le32_to_cpu(stat_info->rmac_usized_frms); @@ -5180,40 +5616,129 @@ static void s2io_get_ethtool_stats(struct net_device *dev, tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_jabber_frms_oflow) << 32 | le32_to_cpu(stat_info->rmac_jabber_frms); - tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_ip_oflow) << 32 | + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_64_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_65_127_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_128_255_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_256_511_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_512_1023_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_1024_1518_frms); + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_ip_oflow) << 32 | le32_to_cpu(stat_info->rmac_ip); tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ip_octets); tmp_stats[i++] = le32_to_cpu(stat_info->rmac_hdr_err_ip); - tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_drop_ip_oflow) << 32 | + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_drop_ip_oflow) << 32 | le32_to_cpu(stat_info->rmac_drop_ip); - tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_icmp_oflow) << 32 | + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_icmp_oflow) << 32 | le32_to_cpu(stat_info->rmac_icmp); tmp_stats[i++] = le64_to_cpu(stat_info->rmac_tcp); - tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_udp_oflow) << 32 | + tmp_stats[i++] = + (u64)le32_to_cpu(stat_info->rmac_udp_oflow) << 32 | le32_to_cpu(stat_info->rmac_udp); tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_err_drp_udp_oflow) << 32 | le32_to_cpu(stat_info->rmac_err_drp_udp); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_xgmii_err_sym); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q0); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q1); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q2); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q3); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q4); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q5); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q6); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_frms_q7); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q0); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q1); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q2); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q3); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q4); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q5); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q6); + tmp_stats[i++] = le16_to_cpu(stat_info->rmac_full_q7); tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_pause_cnt_oflow) << 32 | le32_to_cpu(stat_info->rmac_pause_cnt); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_xgmii_data_err_cnt); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_xgmii_ctrl_err_cnt); tmp_stats[i++] = (u64)le32_to_cpu(stat_info->rmac_accepted_ip_oflow) << 32 | le32_to_cpu(stat_info->rmac_accepted_ip); tmp_stats[i++] = le32_to_cpu(stat_info->rmac_err_tcp); + tmp_stats[i++] = le32_to_cpu(stat_info->rd_req_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->new_rd_req_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->new_rd_req_rtry_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->rd_rtry_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->wr_rtry_rd_ack_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->wr_req_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->new_wr_req_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->new_wr_req_rtry_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->wr_rtry_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->wr_disc_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->rd_rtry_wr_ack_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->txp_wr_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->txd_rd_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->txd_wr_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->rxd_rd_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->rxd_wr_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->txf_rd_cnt); + tmp_stats[i++] = le32_to_cpu(stat_info->rxf_wr_cnt); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_1519_4095_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_4096_8191_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_8192_max_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_ttl_gt_max_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_osized_alt_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_jabber_alt_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_gt_max_alt_frms); + tmp_stats[i++] = le64_to_cpu(stat_info->rmac_vlan_frms); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_len_discard); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_fcs_discard); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_pf_discard); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_da_discard); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_red_discard); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_rts_discard); + tmp_stats[i++] = le32_to_cpu(stat_info->rmac_ingm_full_discard); + tmp_stats[i++] = le32_to_cpu(stat_info->link_fault_cnt); tmp_stats[i++] = 0; tmp_stats[i++] = stat_info->sw_stat.single_ecc_errs; tmp_stats[i++] = stat_info->sw_stat.double_ecc_errs; + tmp_stats[i++] = stat_info->sw_stat.parity_err_cnt; + tmp_stats[i++] = stat_info->sw_stat.serious_err_cnt; + tmp_stats[i++] = stat_info->sw_stat.soft_reset_cnt; + tmp_stats[i++] = stat_info->sw_stat.fifo_full_cnt; + tmp_stats[i++] = stat_info->sw_stat.ring_full_cnt; + tmp_stats[i++] = stat_info->xpak_stat.alarm_transceiver_temp_high; + tmp_stats[i++] = stat_info->xpak_stat.alarm_transceiver_temp_low; + tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_bias_current_high; + tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_bias_current_low; + tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_output_power_high; + tmp_stats[i++] = stat_info->xpak_stat.alarm_laser_output_power_low; + tmp_stats[i++] = stat_info->xpak_stat.warn_transceiver_temp_high; + tmp_stats[i++] = stat_info->xpak_stat.warn_transceiver_temp_low; + tmp_stats[i++] = stat_info->xpak_stat.warn_laser_bias_current_high; + tmp_stats[i++] = stat_info->xpak_stat.warn_laser_bias_current_low; + tmp_stats[i++] = stat_info->xpak_stat.warn_laser_output_power_high; + tmp_stats[i++] = stat_info->xpak_stat.warn_laser_output_power_low; tmp_stats[i++] = stat_info->sw_stat.clubbed_frms_cnt; tmp_stats[i++] = stat_info->sw_stat.sending_both; tmp_stats[i++] = stat_info->sw_stat.outof_sequence_pkts; tmp_stats[i++] = stat_info->sw_stat.flush_max_pkts; - tmp = 0; if (stat_info->sw_stat.num_aggregations) { - tmp = stat_info->sw_stat.sum_avg_pkts_aggregated; - do_div(tmp, stat_info->sw_stat.num_aggregations); + u64 tmp = stat_info->sw_stat.sum_avg_pkts_aggregated; + int count = 0; + /* + * Since 64-bit divide does not work on all platforms, + * do repeated subtraction. + */ + while (tmp >= stat_info->sw_stat.num_aggregations) { + tmp -= stat_info->sw_stat.num_aggregations; + count++; + } + tmp_stats[i++] = count; } - tmp_stats[i++] = tmp; + else + tmp_stats[i++] = 0; } static int s2io_ethtool_get_regs_len(struct net_device *dev) @@ -5351,7 +5876,7 @@ static int s2io_change_mtu(struct net_device *dev, int new_mtu) dev->mtu = new_mtu; if (netif_running(dev)) { - s2io_card_down(sp); + s2io_card_down(sp, 0); netif_stop_queue(dev); if (s2io_card_up(sp)) { DBG_PRINT(ERR_DBG, "%s: Device bring up failed\n", @@ -5489,12 +6014,172 @@ static void s2io_set_link(unsigned long data) clear_bit(0, &(nic->link_state)); } -static void s2io_card_down(nic_t * sp) +static int set_rxd_buffer_pointer(nic_t *sp, RxD_t *rxdp, buffAdd_t *ba, + struct sk_buff **skb, u64 *temp0, u64 *temp1, + u64 *temp2, int size) +{ + struct net_device *dev = sp->dev; + struct sk_buff *frag_list; + + if ((sp->rxd_mode == RXD_MODE_1) && (rxdp->Host_Control == 0)) { + /* allocate skb */ + if (*skb) { + DBG_PRINT(INFO_DBG, "SKB is not NULL\n"); + /* + * As Rx frame are not going to be processed, + * using same mapped address for the Rxd + * buffer pointer + */ + ((RxD1_t*)rxdp)->Buffer0_ptr = *temp0; + } else { + *skb = dev_alloc_skb(size); + if (!(*skb)) { + DBG_PRINT(ERR_DBG, "%s: Out of ", dev->name); + DBG_PRINT(ERR_DBG, "memory to allocate SKBs\n"); + return -ENOMEM ; + } + /* storing the mapped addr in a temp variable + * such it will be used for next rxd whose + * Host Control is NULL + */ + ((RxD1_t*)rxdp)->Buffer0_ptr = *temp0 = + pci_map_single( sp->pdev, (*skb)->data, + size - NET_IP_ALIGN, + PCI_DMA_FROMDEVICE); + rxdp->Host_Control = (unsigned long) (*skb); + } + } else if ((sp->rxd_mode == RXD_MODE_3B) && (rxdp->Host_Control == 0)) { + /* Two buffer Mode */ + if (*skb) { + ((RxD3_t*)rxdp)->Buffer2_ptr = *temp2; + ((RxD3_t*)rxdp)->Buffer0_ptr = *temp0; + ((RxD3_t*)rxdp)->Buffer1_ptr = *temp1; + } else { + *skb = dev_alloc_skb(size); + ((RxD3_t*)rxdp)->Buffer2_ptr = *temp2 = + pci_map_single(sp->pdev, (*skb)->data, + dev->mtu + 4, + PCI_DMA_FROMDEVICE); + ((RxD3_t*)rxdp)->Buffer0_ptr = *temp0 = + pci_map_single( sp->pdev, ba->ba_0, BUF0_LEN, + PCI_DMA_FROMDEVICE); + rxdp->Host_Control = (unsigned long) (*skb); + + /* Buffer-1 will be dummy buffer not used */ + ((RxD3_t*)rxdp)->Buffer1_ptr = *temp1 = + pci_map_single(sp->pdev, ba->ba_1, BUF1_LEN, + PCI_DMA_FROMDEVICE); + } + } else if ((rxdp->Host_Control == 0)) { + /* Three buffer mode */ + if (*skb) { + ((RxD3_t*)rxdp)->Buffer0_ptr = *temp0; + ((RxD3_t*)rxdp)->Buffer1_ptr = *temp1; + ((RxD3_t*)rxdp)->Buffer2_ptr = *temp2; + } else { + *skb = dev_alloc_skb(size); + + ((RxD3_t*)rxdp)->Buffer0_ptr = *temp0 = + pci_map_single(sp->pdev, ba->ba_0, BUF0_LEN, + PCI_DMA_FROMDEVICE); + /* Buffer-1 receives L3/L4 headers */ + ((RxD3_t*)rxdp)->Buffer1_ptr = *temp1 = + pci_map_single( sp->pdev, (*skb)->data, + l3l4hdr_size + 4, + PCI_DMA_FROMDEVICE); + /* + * skb_shinfo(skb)->frag_list will have L4 + * data payload + */ + skb_shinfo(*skb)->frag_list = dev_alloc_skb(dev->mtu + + ALIGN_SIZE); + if (skb_shinfo(*skb)->frag_list == NULL) { + DBG_PRINT(ERR_DBG, "%s: dev_alloc_skb \ + failed\n ", dev->name); + return -ENOMEM ; + } + frag_list = skb_shinfo(*skb)->frag_list; + frag_list->next = NULL; + /* + * Buffer-2 receives L4 data payload + */ + ((RxD3_t*)rxdp)->Buffer2_ptr = *temp2 = + pci_map_single( sp->pdev, frag_list->data, + dev->mtu, PCI_DMA_FROMDEVICE); + } + } + return 0; +} +static void set_rxd_buffer_size(nic_t *sp, RxD_t *rxdp, int size) +{ + struct net_device *dev = sp->dev; + if (sp->rxd_mode == RXD_MODE_1) { + rxdp->Control_2 = SET_BUFFER0_SIZE_1( size - NET_IP_ALIGN); + } else if (sp->rxd_mode == RXD_MODE_3B) { + rxdp->Control_2 = SET_BUFFER0_SIZE_3(BUF0_LEN); + rxdp->Control_2 |= SET_BUFFER1_SIZE_3(1); + rxdp->Control_2 |= SET_BUFFER2_SIZE_3( dev->mtu + 4); + } else { + rxdp->Control_2 = SET_BUFFER0_SIZE_3(BUF0_LEN); + rxdp->Control_2 |= SET_BUFFER1_SIZE_3(l3l4hdr_size + 4); + rxdp->Control_2 |= SET_BUFFER2_SIZE_3(dev->mtu); + } +} + +static int rxd_owner_bit_reset(nic_t *sp) +{ + int i, j, k, blk_cnt = 0, size; + mac_info_t * mac_control = &sp->mac_control; + struct config_param *config = &sp->config; + struct net_device *dev = sp->dev; + RxD_t *rxdp = NULL; + struct sk_buff *skb = NULL; + buffAdd_t *ba = NULL; + u64 temp0_64 = 0, temp1_64 = 0, temp2_64 = 0; + + /* Calculate the size based on ring mode */ + size = dev->mtu + HEADER_ETHERNET_II_802_3_SIZE + + HEADER_802_2_SIZE + HEADER_SNAP_SIZE; + if (sp->rxd_mode == RXD_MODE_1) + size += NET_IP_ALIGN; + else if (sp->rxd_mode == RXD_MODE_3B) + size = dev->mtu + ALIGN_SIZE + BUF0_LEN + 4; + else + size = l3l4hdr_size + ALIGN_SIZE + BUF0_LEN + 4; + + for (i = 0; i < config->rx_ring_num; i++) { + blk_cnt = config->rx_cfg[i].num_rxd / + (rxd_count[sp->rxd_mode] +1); + + for (j = 0; j < blk_cnt; j++) { + for (k = 0; k < rxd_count[sp->rxd_mode]; k++) { + rxdp = mac_control->rings[i]. + rx_blocks[j].rxds[k].virt_addr; + if(sp->rxd_mode >= RXD_MODE_3A) + ba = &mac_control->rings[i].ba[j][k]; + set_rxd_buffer_pointer(sp, rxdp, ba, + &skb,(u64 *)&temp0_64, + (u64 *)&temp1_64, + (u64 *)&temp2_64, size); + + set_rxd_buffer_size(sp, rxdp, size); + wmb(); + /* flip the Ownership bit to Hardware */ + rxdp->Control_1 |= RXD_OWN_XENA; + } + } + } + return 0; + +} + +static void s2io_card_down(nic_t * sp, int flag) { int cnt = 0; XENA_dev_config_t __iomem *bar0 = sp->bar0; unsigned long flags; register u64 val64 = 0; + struct net_device *dev = sp->dev; del_timer_sync(&sp->alarm_timer); /* If s2io_set_link task is executing, wait till it completes. */ @@ -5505,12 +6190,51 @@ static void s2io_card_down(nic_t * sp) /* disable Tx and Rx traffic on the NIC */ stop_nic(sp); + if (flag) { + if (sp->intr_type == MSI_X) { + int i; + u16 msi_control; + + for (i=1; (sp->s2io_entries[i].in_use == + MSIX_REGISTERED_SUCCESS); i++) { + int vector = sp->entries[i].vector; + void *arg = sp->s2io_entries[i].arg; + + free_irq(vector, arg); + } + pci_read_config_word(sp->pdev, 0x42, &msi_control); + msi_control &= 0xFFFE; /* Disable MSI */ + pci_write_config_word(sp->pdev, 0x42, msi_control); + pci_disable_msix(sp->pdev); + } else { + free_irq(sp->pdev->irq, dev); + if (sp->intr_type == MSI) + pci_disable_msi(sp->pdev); + } + } + /* Waiting till all Interrupt handlers are complete */ + cnt = 0; + do { + msleep(10); + if (!atomic_read(&sp->isr_cnt)) + break; + cnt++; + } while(cnt < 5); /* Kill tasklet. */ tasklet_kill(&sp->task); /* Check if the device is Quiescent and then Reset the NIC */ do { + /* As per the HW requirement we need to replenish the + * receive buffer to avoid the ring bump. Since there is + * no intention of processing the Rx frame at this pointwe are + * just settting the ownership bit of rxd in Each Rx + * ring to HW and set the appropriate buffer size + * based on the ring mode + */ + rxd_owner_bit_reset(sp); + val64 = readq(&bar0->adapter_status); if (verify_xena_quiescence(sp, val64, sp->device_enabled_once)) { break; @@ -5528,15 +6252,6 @@ static void s2io_card_down(nic_t * sp) } while (1); s2io_reset(sp); - /* Waiting till all Interrupt handlers are complete */ - cnt = 0; - do { - msleep(10); - if (!atomic_read(&sp->isr_cnt)) - break; - cnt++; - } while(cnt < 5); - spin_lock_irqsave(&sp->tx_lock, flags); /* Free all Tx buffers */ free_tx_buffers(sp); @@ -5637,7 +6352,7 @@ static void s2io_restart_nic(unsigned long data) struct net_device *dev = (struct net_device *) data; nic_t *sp = dev->priv; - s2io_card_down(sp); + s2io_card_down(sp, 0); if (s2io_card_up(sp)) { DBG_PRINT(ERR_DBG, "%s: Device bring up failed\n", dev->name); @@ -5667,6 +6382,7 @@ static void s2io_tx_watchdog(struct net_device *dev) if (netif_carrier_ok(dev)) { schedule_work(&sp->rst_timer_task); + sp->mac_control.stats_info->sw_stat.soft_reset_cnt++; } } @@ -5695,18 +6411,33 @@ static int rx_osm_handler(ring_info_t *ring_data, RxD_t * rxdp) ((unsigned long) rxdp->Host_Control); int ring_no = ring_data->ring_no; u16 l3_csum, l4_csum; + unsigned long long err = rxdp->Control_1 & RXD_T_CODE; lro_t *lro; skb->dev = dev; - if (rxdp->Control_1 & RXD_T_CODE) { - unsigned long long err = rxdp->Control_1 & RXD_T_CODE; - DBG_PRINT(ERR_DBG, "%s: Rx error Value: 0x%llx\n", - dev->name, err); - dev_kfree_skb(skb); - sp->stats.rx_crc_errors++; - atomic_dec(&sp->rx_bufs_left[ring_no]); - rxdp->Host_Control = 0; - return 0; + + if (err) { + /* Check for parity error */ + if (err & 0x1) { + sp->mac_control.stats_info->sw_stat.parity_err_cnt++; + } + + /* + * Drop the packet if bad transfer code. Exception being + * 0x5, which could be due to unsupported IPv6 extension header. + * In this case, we let stack handle the packet. + * Note that in this case, since checksum will be incorrect, + * stack will validate the same. + */ + if (err && ((err >> 48) != 0x5)) { + DBG_PRINT(ERR_DBG, "%s: Rx error Value: 0x%llx\n", + dev->name, err); + sp->stats.rx_crc_errors++; + dev_kfree_skb(skb); + atomic_dec(&sp->rx_bufs_left[ring_no]); + rxdp->Host_Control = 0; + return 0; + } } /* Updating statistics */ @@ -5792,6 +6523,9 @@ static int rx_osm_handler(ring_info_t *ring_data, RxD_t * rxdp) clear_lro_session(lro); goto send_up; case 0: /* sessions exceeded */ + case -1: /* non-TCP or not + * L2 aggregatable + */ case 5: /* * First pkt in session not * L3/L4 aggregatable @@ -5918,13 +6652,6 @@ static void s2io_init_pci(nic_t * sp) pci_write_config_word(sp->pdev, PCI_COMMAND, (pci_cmd | PCI_COMMAND_PARITY)); pci_read_config_word(sp->pdev, PCI_COMMAND, &pci_cmd); - - /* Forcibly disabling relaxed ordering capability of the card. */ - pcix_cmd &= 0xfffd; - pci_write_config_word(sp->pdev, PCIX_COMMAND_REGISTER, - pcix_cmd); - pci_read_config_word(sp->pdev, PCIX_COMMAND_REGISTER, - &(pcix_cmd)); } MODULE_AUTHOR("Raghavendra Koushik <raghavendra.koushik@neterion.com>"); @@ -5954,6 +6681,55 @@ module_param(intr_type, int, 0); module_param(lro, int, 0); module_param(lro_max_pkts, int, 0); +static int s2io_verify_parm(struct pci_dev *pdev, u8 *dev_intr_type) +{ + if ( tx_fifo_num > 8) { + DBG_PRINT(ERR_DBG, "s2io: Requested number of Tx fifos not " + "supported\n"); + DBG_PRINT(ERR_DBG, "s2io: Default to 8 Tx fifos\n"); + tx_fifo_num = 8; + } + if ( rx_ring_num > 8) { + DBG_PRINT(ERR_DBG, "s2io: Requested number of Rx rings not " + "supported\n"); + DBG_PRINT(ERR_DBG, "s2io: Default to 8 Rx rings\n"); + rx_ring_num = 8; + } +#ifdef CONFIG_S2IO_NAPI + if (*dev_intr_type != INTA) { + DBG_PRINT(ERR_DBG, "s2io: NAPI cannot be enabled when " + "MSI/MSI-X is enabled. Defaulting to INTA\n"); + *dev_intr_type = INTA; + } +#endif +#ifndef CONFIG_PCI_MSI + if (*dev_intr_type != INTA) { + DBG_PRINT(ERR_DBG, "s2io: This kernel does not support" + "MSI/MSI-X. Defaulting to INTA\n"); + *dev_intr_type = INTA; + } +#else + if (*dev_intr_type > MSI_X) { + DBG_PRINT(ERR_DBG, "s2io: Wrong intr_type requested. " + "Defaulting to INTA\n"); + *dev_intr_type = INTA; + } +#endif + if ((*dev_intr_type == MSI_X) && + ((pdev->device != PCI_DEVICE_ID_HERC_WIN) && + (pdev->device != PCI_DEVICE_ID_HERC_UNI))) { + DBG_PRINT(ERR_DBG, "s2io: Xframe I does not support MSI_X. " + "Defaulting to INTA\n"); + *dev_intr_type = INTA; + } + if (rx_ring_mode > 3) { + DBG_PRINT(ERR_DBG, "s2io: Requested ring mode not supported\n"); + DBG_PRINT(ERR_DBG, "s2io: Defaulting to 3-buffer mode\n"); + rx_ring_mode = 3; + } + return SUCCESS; +} + /** * s2io_init_nic - Initialization of the adapter . * @pdev : structure containing the PCI related information of the device. @@ -5984,15 +6760,8 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) int mode; u8 dev_intr_type = intr_type; -#ifdef CONFIG_S2IO_NAPI - if (dev_intr_type != INTA) { - DBG_PRINT(ERR_DBG, "NAPI cannot be enabled when MSI/MSI-X \ -is enabled. Defaulting to INTA\n"); - dev_intr_type = INTA; - } - else - DBG_PRINT(ERR_DBG, "NAPI support has been enabled\n"); -#endif + if ((ret = s2io_verify_parm(pdev, &dev_intr_type))) + return ret; if ((ret = pci_enable_device(pdev))) { DBG_PRINT(ERR_DBG, @@ -6017,14 +6786,6 @@ is enabled. Defaulting to INTA\n"); pci_disable_device(pdev); return -ENOMEM; } - - if ((dev_intr_type == MSI_X) && - ((pdev->device != PCI_DEVICE_ID_HERC_WIN) && - (pdev->device != PCI_DEVICE_ID_HERC_UNI))) { - DBG_PRINT(ERR_DBG, "Xframe I does not support MSI_X. \ -Defaulting to INTA\n"); - dev_intr_type = INTA; - } if (dev_intr_type != MSI_X) { if (pci_request_regions(pdev, s2io_driver_name)) { DBG_PRINT(ERR_DBG, "Request Regions failed\n"), @@ -6100,8 +6861,6 @@ Defaulting to INTA\n"); config = &sp->config; /* Tx side parameters. */ - if (tx_fifo_len[0] == 0) - tx_fifo_len[0] = DEFAULT_FIFO_LEN; /* Default value. */ config->tx_fifo_num = tx_fifo_num; for (i = 0; i < MAX_TX_FIFOS; i++) { config->tx_cfg[i].fifo_len = tx_fifo_len[i]; @@ -6125,8 +6884,6 @@ Defaulting to INTA\n"); config->max_txds = MAX_SKB_FRAGS + 2; /* Rx side parameters. */ - if (rx_ring_sz[0] == 0) - rx_ring_sz[0] = SMALL_BLK_CNT; /* Default value. */ config->rx_ring_num = rx_ring_num; for (i = 0; i < MAX_RX_RINGS; i++) { config->rx_cfg[i].num_rxd = rx_ring_sz[i] * @@ -6267,8 +7024,8 @@ Defaulting to INTA\n"); val64 = RMAC_ADDR_CMD_MEM_RD | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | RMAC_ADDR_CMD_MEM_OFFSET(0 + MAC_MAC_ADDR_START_OFFSET); writeq(val64, &bar0->rmac_addr_cmd_mem); - wait_for_cmd_complete(sp); - + wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, + RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING); tmp64 = readq(&bar0->rmac_addr_data0_mem); mac_down = (u32) tmp64; mac_up = (u32) (tmp64 >> 32); @@ -6322,82 +7079,63 @@ Defaulting to INTA\n"); ret = -ENODEV; goto register_failed; } - - if (sp->device_type & XFRAME_II_DEVICE) { - DBG_PRINT(ERR_DBG, "%s: Neterion Xframe II 10GbE adapter ", - dev->name); - DBG_PRINT(ERR_DBG, "(rev %d), Version %s", + s2io_vpd_read(sp); + DBG_PRINT(ERR_DBG, "%s: Neterion %s",dev->name, sp->product_name); + DBG_PRINT(ERR_DBG, "(rev %d), Driver version %s\n", get_xena_rev_id(sp->pdev), s2io_driver_version); - switch(sp->intr_type) { - case INTA: - DBG_PRINT(ERR_DBG, ", Intr type INTA"); - break; - case MSI: - DBG_PRINT(ERR_DBG, ", Intr type MSI"); - break; - case MSI_X: - DBG_PRINT(ERR_DBG, ", Intr type MSI-X"); - break; - } - - DBG_PRINT(ERR_DBG, "\nCopyright(c) 2002-2005 Neterion Inc.\n"); - DBG_PRINT(ERR_DBG, "MAC ADDR: %02x:%02x:%02x:%02x:%02x:%02x\n", + DBG_PRINT(ERR_DBG, "Copyright(c) 2002-2005 Neterion Inc.\n"); + DBG_PRINT(ERR_DBG, "%s: MAC ADDR: " + "%02x:%02x:%02x:%02x:%02x:%02x\n", dev->name, sp->def_mac_addr[0].mac_addr[0], sp->def_mac_addr[0].mac_addr[1], sp->def_mac_addr[0].mac_addr[2], sp->def_mac_addr[0].mac_addr[3], sp->def_mac_addr[0].mac_addr[4], sp->def_mac_addr[0].mac_addr[5]); + if (sp->device_type & XFRAME_II_DEVICE) { mode = s2io_print_pci_mode(sp); if (mode < 0) { - DBG_PRINT(ERR_DBG, " Unsupported PCI bus mode "); + DBG_PRINT(ERR_DBG, " Unsupported PCI bus mode\n"); ret = -EBADSLT; + unregister_netdev(dev); goto set_swap_failed; } - } else { - DBG_PRINT(ERR_DBG, "%s: Neterion Xframe I 10GbE adapter ", - dev->name); - DBG_PRINT(ERR_DBG, "(rev %d), Version %s", - get_xena_rev_id(sp->pdev), - s2io_driver_version); - switch(sp->intr_type) { - case INTA: - DBG_PRINT(ERR_DBG, ", Intr type INTA"); - break; - case MSI: - DBG_PRINT(ERR_DBG, ", Intr type MSI"); - break; - case MSI_X: - DBG_PRINT(ERR_DBG, ", Intr type MSI-X"); - break; - } - DBG_PRINT(ERR_DBG, "\nCopyright(c) 2002-2005 Neterion Inc.\n"); - DBG_PRINT(ERR_DBG, "MAC ADDR: %02x:%02x:%02x:%02x:%02x:%02x\n", - sp->def_mac_addr[0].mac_addr[0], - sp->def_mac_addr[0].mac_addr[1], - sp->def_mac_addr[0].mac_addr[2], - sp->def_mac_addr[0].mac_addr[3], - sp->def_mac_addr[0].mac_addr[4], - sp->def_mac_addr[0].mac_addr[5]); } - if (sp->rxd_mode == RXD_MODE_3B) - DBG_PRINT(ERR_DBG, "%s: 2-Buffer mode support has been " - "enabled\n",dev->name); - if (sp->rxd_mode == RXD_MODE_3A) - DBG_PRINT(ERR_DBG, "%s: 3-Buffer mode support has been " - "enabled\n",dev->name); - + switch(sp->rxd_mode) { + case RXD_MODE_1: + DBG_PRINT(ERR_DBG, "%s: 1-Buffer receive mode enabled\n", + dev->name); + break; + case RXD_MODE_3B: + DBG_PRINT(ERR_DBG, "%s: 2-Buffer receive mode enabled\n", + dev->name); + break; + case RXD_MODE_3A: + DBG_PRINT(ERR_DBG, "%s: 3-Buffer receive mode enabled\n", + dev->name); + break; + } +#ifdef CONFIG_S2IO_NAPI + DBG_PRINT(ERR_DBG, "%s: NAPI enabled\n", dev->name); +#endif + switch(sp->intr_type) { + case INTA: + DBG_PRINT(ERR_DBG, "%s: Interrupt type INTA\n", dev->name); + break; + case MSI: + DBG_PRINT(ERR_DBG, "%s: Interrupt type MSI\n", dev->name); + break; + case MSI_X: + DBG_PRINT(ERR_DBG, "%s: Interrupt type MSI-X\n", dev->name); + break; + } if (sp->lro) DBG_PRINT(ERR_DBG, "%s: Large receive offload enabled\n", - dev->name); + dev->name); /* Initialize device name */ - strcpy(sp->name, dev->name); - if (sp->device_type & XFRAME_II_DEVICE) - strcat(sp->name, ": Neterion Xframe II 10GbE adapter"); - else - strcat(sp->name, ": Neterion Xframe I 10GbE adapter"); + sprintf(sp->name, "%s Neterion %s", dev->name, sp->product_name); /* Initialize bimodal Interrupts */ sp->config.bimodal = bimodal; diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index 0a0b5b29d81e..3203732a668d 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -31,6 +31,8 @@ #define SUCCESS 0 #define FAILURE -1 +#define CHECKBIT(value, nbit) (value & (1 << nbit)) + /* Maximum time to flicker LED when asked to identify NIC using ethtool */ #define MAX_FLICKER_TIME 60000 /* 60 Secs */ @@ -78,6 +80,11 @@ static int debug_level = ERR_DBG; typedef struct { unsigned long long single_ecc_errs; unsigned long long double_ecc_errs; + unsigned long long parity_err_cnt; + unsigned long long serious_err_cnt; + unsigned long long soft_reset_cnt; + unsigned long long fifo_full_cnt; + unsigned long long ring_full_cnt; /* LRO statistics */ unsigned long long clubbed_frms_cnt; unsigned long long sending_both; @@ -87,6 +94,25 @@ typedef struct { unsigned long long num_aggregations; } swStat_t; +/* Xpak releated alarm and warnings */ +typedef struct { + u64 alarm_transceiver_temp_high; + u64 alarm_transceiver_temp_low; + u64 alarm_laser_bias_current_high; + u64 alarm_laser_bias_current_low; + u64 alarm_laser_output_power_high; + u64 alarm_laser_output_power_low; + u64 warn_transceiver_temp_high; + u64 warn_transceiver_temp_low; + u64 warn_laser_bias_current_high; + u64 warn_laser_bias_current_low; + u64 warn_laser_output_power_high; + u64 warn_laser_output_power_low; + u64 xpak_regs_stat; + u32 xpak_timer_count; +} xpakStat_t; + + /* The statistics block of Xena */ typedef struct stat_block { /* Tx MAC statistics counters. */ @@ -263,7 +289,9 @@ typedef struct stat_block { u32 rmac_accepted_ip_oflow; u32 reserved_14; u32 link_fault_cnt; + u8 buffer[20]; swStat_t sw_stat; + xpakStat_t xpak_stat; } StatInfo_t; /* @@ -659,7 +687,8 @@ typedef struct { } usr_addr_t; /* Default Tunable parameters of the NIC. */ -#define DEFAULT_FIFO_LEN 4096 +#define DEFAULT_FIFO_0_LEN 4096 +#define DEFAULT_FIFO_1_7_LEN 512 #define SMALL_BLK_CNT 30 #define LARGE_BLK_CNT 100 @@ -732,7 +761,7 @@ struct s2io_nic { int device_close_flag; int device_enabled_once; - char name[50]; + char name[60]; struct tasklet_struct task; volatile unsigned long tasklet_status; @@ -803,6 +832,8 @@ struct s2io_nic { char desc1[35]; char desc2[35]; + int avail_msix_vectors; /* No. of MSI-X vectors granted by system */ + struct msix_info_st msix_info[0x3f]; #define XFRAME_I_DEVICE 1 @@ -824,6 +855,8 @@ struct s2io_nic { spinlock_t rx_lock; atomic_t isr_cnt; u64 *ufo_in_band_v; +#define VPD_PRODUCT_NAME_LEN 50 + u8 product_name[VPD_PRODUCT_NAME_LEN]; }; #define RESET_ERROR 1; @@ -848,28 +881,32 @@ static inline void writeq(u64 val, void __iomem *addr) writel((u32) (val), addr); writel((u32) (val >> 32), (addr + 4)); } +#endif -/* In 32 bit modes, some registers have to be written in a - * particular order to expect correct hardware operation. The - * macro SPECIAL_REG_WRITE is used to perform such ordered - * writes. Defines UF (Upper First) and LF (Lower First) will - * be used to specify the required write order. +/* + * Some registers have to be written in a particular order to + * expect correct hardware operation. The macro SPECIAL_REG_WRITE + * is used to perform such ordered writes. Defines UF (Upper First) + * and LF (Lower First) will be used to specify the required write order. */ #define UF 1 #define LF 2 static inline void SPECIAL_REG_WRITE(u64 val, void __iomem *addr, int order) { + u32 ret; + if (order == LF) { writel((u32) (val), addr); + ret = readl(addr); writel((u32) (val >> 32), (addr + 4)); + ret = readl(addr + 4); } else { writel((u32) (val >> 32), (addr + 4)); + ret = readl(addr + 4); writel((u32) (val), addr); + ret = readl(addr); } } -#else -#define SPECIAL_REG_WRITE(val, addr, dummy) writeq(val, addr) -#endif /* Interrupt related values of Xena */ @@ -965,7 +1002,7 @@ static int verify_xena_quiescence(nic_t *sp, u64 val64, int flag); static struct ethtool_ops netdev_ethtool_ops; static void s2io_set_link(unsigned long data); static int s2io_set_swapper(nic_t * sp); -static void s2io_card_down(nic_t *nic); +static void s2io_card_down(nic_t *nic, int flag); static int s2io_card_up(nic_t *nic); static int get_xena_rev_id(struct pci_dev *pdev); static void restore_xmsi_data(nic_t *nic); diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c index f5a3bf4d959a..d05874172209 100644 --- a/drivers/net/sis900.c +++ b/drivers/net/sis900.c @@ -1,6 +1,6 @@ /* sis900.c: A SiS 900/7016 PCI Fast Ethernet driver for Linux. Copyright 1999 Silicon Integrated System Corporation - Revision: 1.08.09 Sep. 19 2005 + Revision: 1.08.10 Apr. 2 2006 Modified from the driver which is originally written by Donald Becker. @@ -17,9 +17,10 @@ SiS 7014 Single Chip 100BASE-TX/10BASE-T Physical Layer Solution, preliminary Rev. 1.0 Jan. 18, 1998 + Rev 1.08.10 Apr. 2 2006 Daniele Venzano add vlan (jumbo packets) support Rev 1.08.09 Sep. 19 2005 Daniele Venzano add Wake on LAN support Rev 1.08.08 Jan. 22 2005 Daniele Venzano use netif_msg for debugging messages - Rev 1.08.07 Nov. 2 2003 Daniele Venzano <webvenza@libero.it> add suspend/resume support + Rev 1.08.07 Nov. 2 2003 Daniele Venzano <venza@brownhat.org> add suspend/resume support Rev 1.08.06 Sep. 24 2002 Mufasa Yang bug fix for Tx timeout & add SiS963 support Rev 1.08.05 Jun. 6 2002 Mufasa Yang bug fix for read_eeprom & Tx descriptor over-boundary Rev 1.08.04 Apr. 25 2002 Mufasa Yang <mufasa@sis.com.tw> added SiS962 support @@ -77,7 +78,7 @@ #include "sis900.h" #define SIS900_MODULE_NAME "sis900" -#define SIS900_DRV_VERSION "v1.08.09 Sep. 19 2005" +#define SIS900_DRV_VERSION "v1.08.10 Apr. 2 2006" static char version[] __devinitdata = KERN_INFO "sis900.c: " SIS900_DRV_VERSION "\n"; @@ -1402,6 +1403,11 @@ static void sis900_set_mode (long ioaddr, int speed, int duplex) rx_flags |= RxATX; } +#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) + /* Can accept Jumbo packet */ + rx_flags |= RxAJAB; +#endif + outl (tx_flags, ioaddr + txcfg); outl (rx_flags, ioaddr + rxcfg); } @@ -1714,18 +1720,26 @@ static int sis900_rx(struct net_device *net_dev) while (rx_status & OWN) { unsigned int rx_size; + unsigned int data_size; if (--rx_work_limit < 0) break; - rx_size = (rx_status & DSIZE) - CRC_SIZE; + data_size = rx_status & DSIZE; + rx_size = data_size - CRC_SIZE; + +#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) + /* ``TOOLONG'' flag means jumbo packet recived. */ + if ((rx_status & TOOLONG) && data_size <= MAX_FRAME_SIZE) + rx_status &= (~ ((unsigned int)TOOLONG)); +#endif if (rx_status & (ABORT|OVERRUN|TOOLONG|RUNT|RXISERR|CRCERR|FAERR)) { /* corrupted packet received */ if (netif_msg_rx_err(sis_priv)) printk(KERN_DEBUG "%s: Corrupted packet " - "received, buffer status = 0x%8.8x.\n", - net_dev->name, rx_status); + "received, buffer status = 0x%8.8x/%d.\n", + net_dev->name, rx_status, data_size); sis_priv->stats.rx_errors++; if (rx_status & OVERRUN) sis_priv->stats.rx_over_errors++; diff --git a/drivers/net/sis900.h b/drivers/net/sis900.h index 50323941e3c0..4834e3a15694 100644 --- a/drivers/net/sis900.h +++ b/drivers/net/sis900.h @@ -310,8 +310,14 @@ enum sis630_revision_id { #define CRC_SIZE 4 #define MAC_HEADER_SIZE 14 -#define TX_BUF_SIZE 1536 -#define RX_BUF_SIZE 1536 +#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) +#define MAX_FRAME_SIZE (1518 + 4) +#else +#define MAX_FRAME_SIZE 1518 +#endif /* CONFIG_VLAN_802_1Q */ + +#define TX_BUF_SIZE (MAX_FRAME_SIZE+18) +#define RX_BUF_SIZE (MAX_FRAME_SIZE+18) #define NUM_TX_DESC 16 /* Number of Tx descriptor registers. */ #define NUM_RX_DESC 16 /* Number of Rx descriptor registers. */ diff --git a/drivers/net/skge.c b/drivers/net/skge.c index 5ca5a1b546a1..536dd1cf7f79 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -44,12 +44,13 @@ #include "skge.h" #define DRV_NAME "skge" -#define DRV_VERSION "1.5" +#define DRV_VERSION "1.6" #define PFX DRV_NAME " " #define DEFAULT_TX_RING_SIZE 128 #define DEFAULT_RX_RING_SIZE 512 #define MAX_TX_RING_SIZE 1024 +#define TX_LOW_WATER (MAX_SKB_FRAGS + 1) #define MAX_RX_RING_SIZE 4096 #define RX_COPY_THRESHOLD 128 #define RX_BUF_SIZE 1536 @@ -401,7 +402,7 @@ static int skge_set_ring_param(struct net_device *dev, int err; if (p->rx_pending == 0 || p->rx_pending > MAX_RX_RING_SIZE || - p->tx_pending < MAX_SKB_FRAGS+1 || p->tx_pending > MAX_TX_RING_SIZE) + p->tx_pending < TX_LOW_WATER || p->tx_pending > MAX_TX_RING_SIZE) return -EINVAL; skge->rx_ring.count = p->rx_pending; @@ -603,7 +604,7 @@ static void skge_led(struct skge_port *skge, enum led_mode mode) struct skge_hw *hw = skge->hw; int port = skge->port; - spin_lock_bh(&hw->phy_lock); + mutex_lock(&hw->phy_mutex); if (hw->chip_id == CHIP_ID_GENESIS) { switch (mode) { case LED_MODE_OFF: @@ -663,7 +664,7 @@ static void skge_led(struct skge_port *skge, enum led_mode mode) PHY_M_LED_MO_RX(MO_LED_ON)); } } - spin_unlock_bh(&hw->phy_lock); + mutex_unlock(&hw->phy_mutex); } /* blink LED's for finding board */ @@ -2038,7 +2039,7 @@ static void skge_phy_reset(struct skge_port *skge) netif_stop_queue(skge->netdev); netif_carrier_off(skge->netdev); - spin_lock_bh(&hw->phy_lock); + mutex_lock(&hw->phy_mutex); if (hw->chip_id == CHIP_ID_GENESIS) { genesis_reset(hw, port); genesis_mac_init(hw, port); @@ -2046,7 +2047,7 @@ static void skge_phy_reset(struct skge_port *skge) yukon_reset(hw, port); yukon_init(hw, port); } - spin_unlock_bh(&hw->phy_lock); + mutex_unlock(&hw->phy_mutex); } /* Basic MII support */ @@ -2067,12 +2068,12 @@ static int skge_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /* fallthru */ case SIOCGMIIREG: { u16 val = 0; - spin_lock_bh(&hw->phy_lock); + mutex_lock(&hw->phy_mutex); if (hw->chip_id == CHIP_ID_GENESIS) err = __xm_phy_read(hw, skge->port, data->reg_num & 0x1f, &val); else err = __gm_phy_read(hw, skge->port, data->reg_num & 0x1f, &val); - spin_unlock_bh(&hw->phy_lock); + mutex_unlock(&hw->phy_mutex); data->val_out = val; break; } @@ -2081,14 +2082,14 @@ static int skge_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) if (!capable(CAP_NET_ADMIN)) return -EPERM; - spin_lock_bh(&hw->phy_lock); + mutex_lock(&hw->phy_mutex); if (hw->chip_id == CHIP_ID_GENESIS) err = xm_phy_write(hw, skge->port, data->reg_num & 0x1f, data->val_in); else err = gm_phy_write(hw, skge->port, data->reg_num & 0x1f, data->val_in); - spin_unlock_bh(&hw->phy_lock); + mutex_unlock(&hw->phy_mutex); break; } return err; @@ -2191,12 +2192,12 @@ static int skge_up(struct net_device *dev) goto free_rx_ring; /* Initialize MAC */ - spin_lock_bh(&hw->phy_lock); + mutex_lock(&hw->phy_mutex); if (hw->chip_id == CHIP_ID_GENESIS) genesis_mac_init(hw, port); else yukon_mac_init(hw, port); - spin_unlock_bh(&hw->phy_lock); + mutex_unlock(&hw->phy_mutex); /* Configure RAMbuffers */ chunk = hw->ram_size / ((hw->ports + 1)*2); @@ -2302,21 +2303,20 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev) { struct skge_port *skge = netdev_priv(dev); struct skge_hw *hw = skge->hw; - struct skge_ring *ring = &skge->tx_ring; struct skge_element *e; struct skge_tx_desc *td; int i; u32 control, len; u64 map; + unsigned long flags; skb = skb_padto(skb, ETH_ZLEN); if (!skb) return NETDEV_TX_OK; - if (!spin_trylock(&skge->tx_lock)) { + if (!spin_trylock_irqsave(&skge->tx_lock, flags)) /* Collision - tell upper layer to requeue */ return NETDEV_TX_LOCKED; - } if (unlikely(skge_avail(&skge->tx_ring) < skb_shinfo(skb)->nr_frags + 1)) { if (!netif_queue_stopped(dev)) { @@ -2325,12 +2325,13 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev) printk(KERN_WARNING PFX "%s: ring full when queue awake!\n", dev->name); } - spin_unlock(&skge->tx_lock); + spin_unlock_irqrestore(&skge->tx_lock, flags); return NETDEV_TX_BUSY; } - e = ring->to_use; + e = skge->tx_ring.to_use; td = e->desc; + BUG_ON(td->control & BMU_OWN); e->skb = skb; len = skb_headlen(skb); map = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE); @@ -2371,8 +2372,10 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev) frag->size, PCI_DMA_TODEVICE); e = e->next; - e->skb = NULL; + e->skb = skb; tf = e->desc; + BUG_ON(tf->control & BMU_OWN); + tf->dma_lo = map; tf->dma_hi = (u64) map >> 32; pci_unmap_addr_set(e, mapaddr, map); @@ -2389,56 +2392,68 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev) skge_write8(hw, Q_ADDR(txqaddr[skge->port], Q_CSR), CSR_START); - if (netif_msg_tx_queued(skge)) + if (unlikely(netif_msg_tx_queued(skge))) printk(KERN_DEBUG "%s: tx queued, slot %td, len %d\n", - dev->name, e - ring->start, skb->len); + dev->name, e - skge->tx_ring.start, skb->len); - ring->to_use = e->next; - if (skge_avail(&skge->tx_ring) <= MAX_SKB_FRAGS + 1) { + skge->tx_ring.to_use = e->next; + if (skge_avail(&skge->tx_ring) <= TX_LOW_WATER) { pr_debug("%s: transmit queue full\n", dev->name); netif_stop_queue(dev); } - mmiowb(); - spin_unlock(&skge->tx_lock); + spin_unlock_irqrestore(&skge->tx_lock, flags); dev->trans_start = jiffies; return NETDEV_TX_OK; } -static void skge_tx_complete(struct skge_port *skge, struct skge_element *last) + +/* Free resources associated with this reing element */ +static void skge_tx_free(struct skge_port *skge, struct skge_element *e, + u32 control) { struct pci_dev *pdev = skge->hw->pdev; - struct skge_element *e; - for (e = skge->tx_ring.to_clean; e != last; e = e->next) { - struct sk_buff *skb = e->skb; - int i; + BUG_ON(!e->skb); - e->skb = NULL; + /* skb header vs. fragment */ + if (control & BMU_STF) pci_unmap_single(pdev, pci_unmap_addr(e, mapaddr), - skb_headlen(skb), PCI_DMA_TODEVICE); + pci_unmap_len(e, maplen), + PCI_DMA_TODEVICE); + else + pci_unmap_page(pdev, pci_unmap_addr(e, mapaddr), + pci_unmap_len(e, maplen), + PCI_DMA_TODEVICE); - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - e = e->next; - pci_unmap_page(pdev, pci_unmap_addr(e, mapaddr), - skb_shinfo(skb)->frags[i].size, - PCI_DMA_TODEVICE); - } + if (control & BMU_EOF) { + if (unlikely(netif_msg_tx_done(skge))) + printk(KERN_DEBUG PFX "%s: tx done slot %td\n", + skge->netdev->name, e - skge->tx_ring.start); - dev_kfree_skb(skb); + dev_kfree_skb_any(e->skb); } - skge->tx_ring.to_clean = e; + e->skb = NULL; } +/* Free all buffers in transmit ring */ static void skge_tx_clean(struct skge_port *skge) { + struct skge_element *e; + unsigned long flags; + + spin_lock_irqsave(&skge->tx_lock, flags); + for (e = skge->tx_ring.to_clean; e != skge->tx_ring.to_use; e = e->next) { + struct skge_tx_desc *td = e->desc; + skge_tx_free(skge, e, td->control); + td->control = 0; + } - spin_lock_bh(&skge->tx_lock); - skge_tx_complete(skge, skge->tx_ring.to_use); + skge->tx_ring.to_clean = e; netif_wake_queue(skge->netdev); - spin_unlock_bh(&skge->tx_lock); + spin_unlock_irqrestore(&skge->tx_lock, flags); } static void skge_tx_timeout(struct net_device *dev) @@ -2664,32 +2679,28 @@ resubmit: return NULL; } -static void skge_tx_done(struct skge_port *skge) +/* Free all buffers in Tx ring which are no longer owned by device */ +static void skge_txirq(struct net_device *dev) { + struct skge_port *skge = netdev_priv(dev); struct skge_ring *ring = &skge->tx_ring; - struct skge_element *e, *last; + struct skge_element *e; + + rmb(); spin_lock(&skge->tx_lock); - last = ring->to_clean; for (e = ring->to_clean; e != ring->to_use; e = e->next) { struct skge_tx_desc *td = e->desc; if (td->control & BMU_OWN) break; - if (td->control & BMU_EOF) { - last = e->next; - if (unlikely(netif_msg_tx_done(skge))) - printk(KERN_DEBUG PFX "%s: tx done slot %td\n", - skge->netdev->name, e - ring->start); - } + skge_tx_free(skge, e, td->control); } + skge->tx_ring.to_clean = e; - skge_tx_complete(skge, last); - - skge_write8(skge->hw, Q_ADDR(txqaddr[skge->port], Q_CSR), CSR_IRQ_CL_F); - - if (skge_avail(&skge->tx_ring) > MAX_SKB_FRAGS + 1) + if (netif_queue_stopped(skge->netdev) + && skge_avail(&skge->tx_ring) > TX_LOW_WATER) netif_wake_queue(skge->netdev); spin_unlock(&skge->tx_lock); @@ -2704,8 +2715,6 @@ static int skge_poll(struct net_device *dev, int *budget) int to_do = min(dev->quota, *budget); int work_done = 0; - skge_tx_done(skge); - for (e = ring->to_clean; prefetch(e->next), work_done < to_do; e = e->next) { struct skge_rx_desc *rd = e->desc; struct sk_buff *skb; @@ -2737,10 +2746,12 @@ static int skge_poll(struct net_device *dev, int *budget) return 1; /* not done */ netif_rx_complete(dev); - mmiowb(); - hw->intr_mask |= skge->port == 0 ? (IS_R1_F|IS_XA1_F) : (IS_R2_F|IS_XA2_F); + spin_lock_irq(&hw->hw_lock); + hw->intr_mask |= rxirqmask[skge->port]; skge_write32(hw, B0_IMSK, hw->intr_mask); + mmiowb(); + spin_unlock_irq(&hw->hw_lock); return 0; } @@ -2847,16 +2858,16 @@ static void skge_error_irq(struct skge_hw *hw) } /* - * Interrupt from PHY are handled in tasklet (soft irq) + * Interrupt from PHY are handled in work queue * because accessing phy registers requires spin wait which might * cause excess interrupt latency. */ -static void skge_extirq(unsigned long data) +static void skge_extirq(void *arg) { - struct skge_hw *hw = (struct skge_hw *) data; + struct skge_hw *hw = arg; int port; - spin_lock(&hw->phy_lock); + mutex_lock(&hw->phy_mutex); for (port = 0; port < hw->ports; port++) { struct net_device *dev = hw->dev[port]; struct skge_port *skge = netdev_priv(dev); @@ -2868,10 +2879,12 @@ static void skge_extirq(unsigned long data) bcom_phy_intr(skge); } } - spin_unlock(&hw->phy_lock); + mutex_unlock(&hw->phy_mutex); + spin_lock_irq(&hw->hw_lock); hw->intr_mask |= IS_EXT_REG; skge_write32(hw, B0_IMSK, hw->intr_mask); + spin_unlock_irq(&hw->hw_lock); } static irqreturn_t skge_intr(int irq, void *dev_id, struct pt_regs *regs) @@ -2884,54 +2897,68 @@ static irqreturn_t skge_intr(int irq, void *dev_id, struct pt_regs *regs) if (status == 0) return IRQ_NONE; + spin_lock(&hw->hw_lock); + status &= hw->intr_mask; if (status & IS_EXT_REG) { hw->intr_mask &= ~IS_EXT_REG; - tasklet_schedule(&hw->ext_tasklet); + schedule_work(&hw->phy_work); } - if (status & (IS_R1_F|IS_XA1_F)) { - skge_write8(hw, Q_ADDR(Q_R1, Q_CSR), CSR_IRQ_CL_F); - hw->intr_mask &= ~(IS_R1_F|IS_XA1_F); - netif_rx_schedule(hw->dev[0]); + if (status & IS_XA1_F) { + skge_write8(hw, Q_ADDR(Q_XA1, Q_CSR), CSR_IRQ_CL_F); + skge_txirq(hw->dev[0]); } - if (status & (IS_R2_F|IS_XA2_F)) { - skge_write8(hw, Q_ADDR(Q_R2, Q_CSR), CSR_IRQ_CL_F); - hw->intr_mask &= ~(IS_R2_F|IS_XA2_F); - netif_rx_schedule(hw->dev[1]); + if (status & IS_R1_F) { + skge_write8(hw, Q_ADDR(Q_R1, Q_CSR), CSR_IRQ_CL_F); + hw->intr_mask &= ~IS_R1_F; + netif_rx_schedule(hw->dev[0]); } - if (likely((status & hw->intr_mask) == 0)) - return IRQ_HANDLED; + if (status & IS_PA_TO_TX1) + skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_TX1); if (status & IS_PA_TO_RX1) { struct skge_port *skge = netdev_priv(hw->dev[0]); - ++skge->net_stats.rx_over_errors; - skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_RX1); - } - if (status & IS_PA_TO_RX2) { - struct skge_port *skge = netdev_priv(hw->dev[1]); ++skge->net_stats.rx_over_errors; - skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_RX2); + skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_RX1); } - if (status & IS_PA_TO_TX1) - skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_TX1); - - if (status & IS_PA_TO_TX2) - skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_TX2); if (status & IS_MAC1) skge_mac_intr(hw, 0); - if (status & IS_MAC2) - skge_mac_intr(hw, 1); + if (hw->dev[1]) { + if (status & IS_XA2_F) { + skge_write8(hw, Q_ADDR(Q_XA2, Q_CSR), CSR_IRQ_CL_F); + skge_txirq(hw->dev[1]); + } + + if (status & IS_R2_F) { + skge_write8(hw, Q_ADDR(Q_R2, Q_CSR), CSR_IRQ_CL_F); + hw->intr_mask &= ~IS_R2_F; + netif_rx_schedule(hw->dev[1]); + } + + if (status & IS_PA_TO_RX2) { + struct skge_port *skge = netdev_priv(hw->dev[1]); + ++skge->net_stats.rx_over_errors; + skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_RX2); + } + + if (status & IS_PA_TO_TX2) + skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_TX2); + + if (status & IS_MAC2) + skge_mac_intr(hw, 1); + } if (status & IS_HW_ERR) skge_error_irq(hw); skge_write32(hw, B0_IMSK, hw->intr_mask); + spin_unlock(&hw->hw_lock); return IRQ_HANDLED; } @@ -2957,7 +2984,7 @@ static int skge_set_mac_address(struct net_device *dev, void *p) if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; - spin_lock_bh(&hw->phy_lock); + mutex_lock(&hw->phy_mutex); memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); memcpy_toio(hw->regs + B2_MAC_1 + port*8, dev->dev_addr, ETH_ALEN); @@ -2970,7 +2997,7 @@ static int skge_set_mac_address(struct net_device *dev, void *p) gma_set_addr(hw, port, GM_SRC_ADDR_1L, dev->dev_addr); gma_set_addr(hw, port, GM_SRC_ADDR_2L, dev->dev_addr); } - spin_unlock_bh(&hw->phy_lock); + mutex_unlock(&hw->phy_mutex); return 0; } @@ -3082,6 +3109,7 @@ static int skge_reset(struct skge_hw *hw) else hw->ram_size = t8 * 4096; + spin_lock_init(&hw->hw_lock); hw->intr_mask = IS_HW_ERR | IS_EXT_REG | IS_PORT_1; if (hw->ports > 1) hw->intr_mask |= IS_PORT_2; @@ -3150,14 +3178,14 @@ static int skge_reset(struct skge_hw *hw) skge_write32(hw, B0_IMSK, hw->intr_mask); - spin_lock_bh(&hw->phy_lock); + mutex_lock(&hw->phy_mutex); for (i = 0; i < hw->ports; i++) { if (hw->chip_id == CHIP_ID_GENESIS) genesis_reset(hw, i); else yukon_reset(hw, i); } - spin_unlock_bh(&hw->phy_lock); + mutex_unlock(&hw->phy_mutex); return 0; } @@ -3305,8 +3333,8 @@ static int __devinit skge_probe(struct pci_dev *pdev, } hw->pdev = pdev; - spin_lock_init(&hw->phy_lock); - tasklet_init(&hw->ext_tasklet, skge_extirq, (unsigned long) hw); + mutex_init(&hw->phy_mutex); + INIT_WORK(&hw->phy_work, skge_extirq, hw); hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000); if (!hw->regs) { @@ -3334,6 +3362,14 @@ static int __devinit skge_probe(struct pci_dev *pdev, if ((dev = skge_devinit(hw, 0, using_dac)) == NULL) goto err_out_led_off; + if (!is_valid_ether_addr(dev->dev_addr)) { + printk(KERN_ERR PFX "%s: bad (zero?) ethernet address in rom\n", + pci_name(pdev)); + err = -EIO; + goto err_out_free_netdev; + } + + err = register_netdev(dev); if (err) { printk(KERN_ERR PFX "%s: cannot register net device\n", @@ -3388,11 +3424,15 @@ static void __devexit skge_remove(struct pci_dev *pdev) dev0 = hw->dev[0]; unregister_netdev(dev0); + spin_lock_irq(&hw->hw_lock); + hw->intr_mask = 0; skge_write32(hw, B0_IMSK, 0); + spin_unlock_irq(&hw->hw_lock); + skge_write16(hw, B0_LED, LED_STAT_OFF); skge_write8(hw, B0_CTST, CS_RST_SET); - tasklet_kill(&hw->ext_tasklet); + flush_scheduled_work(); free_irq(pdev->irq, hw); pci_release_regions(pdev); diff --git a/drivers/net/skge.h b/drivers/net/skge.h index 1f1ce88c8186..ed19ff47ce11 100644 --- a/drivers/net/skge.h +++ b/drivers/net/skge.h @@ -2388,6 +2388,7 @@ struct skge_ring { struct skge_hw { void __iomem *regs; struct pci_dev *pdev; + spinlock_t hw_lock; u32 intr_mask; struct net_device *dev[2]; @@ -2399,9 +2400,8 @@ struct skge_hw { u32 ram_size; u32 ram_offset; u16 phy_addr; - - struct tasklet_struct ext_tasklet; - spinlock_t phy_lock; + struct work_struct phy_work; + struct mutex phy_mutex; }; enum { diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 959109609d85..fba1e4d4d83d 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -187,12 +187,11 @@ static u16 gm_phy_read(struct sky2_hw *hw, unsigned port, u16 reg) return v; } -static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) +static void sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) { u16 power_control; u32 reg1; int vaux; - int ret = 0; pr_debug("sky2_set_power_state %d\n", state); sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); @@ -275,12 +274,10 @@ static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) break; default: printk(KERN_ERR PFX "Unknown power state %d\n", state); - ret = -1; } sky2_pci_write16(hw, hw->pm_cap + PCI_PM_CTRL, power_control); sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); - return ret; } static void sky2_phy_reset(struct sky2_hw *hw, unsigned port) @@ -2164,6 +2161,13 @@ static void sky2_descriptor_error(struct sky2_hw *hw, unsigned port, /* If idle then force a fake soft NAPI poll once a second * to work around cases where sharing an edge triggered interrupt. */ +static inline void sky2_idle_start(struct sky2_hw *hw) +{ + if (idle_timeout > 0) + mod_timer(&hw->idle_timer, + jiffies + msecs_to_jiffies(idle_timeout)); +} + static void sky2_idle(unsigned long arg) { struct sky2_hw *hw = (struct sky2_hw *) arg; @@ -2183,6 +2187,9 @@ static int sky2_poll(struct net_device *dev0, int *budget) int work_done = 0; u32 status = sky2_read32(hw, B0_Y2_SP_EISR); + if (!~status) + goto out; + if (status & Y2_IS_HW_ERR) sky2_hw_intr(hw); @@ -2219,7 +2226,7 @@ static int sky2_poll(struct net_device *dev0, int *budget) if (sky2_more_work(hw)) return 1; - +out: netif_rx_complete(dev0); sky2_read32(hw, B0_Y2_SP_LISR); @@ -2248,8 +2255,10 @@ static irqreturn_t sky2_intr(int irq, void *dev_id, struct pt_regs *regs) static void sky2_netpoll(struct net_device *dev) { struct sky2_port *sky2 = netdev_priv(dev); + struct net_device *dev0 = sky2->hw->dev[0]; - sky2_intr(sky2->hw->pdev->irq, sky2->hw, NULL); + if (netif_running(dev) && __netif_rx_schedule_prep(dev0)) + __netif_rx_schedule(dev0); } #endif @@ -3350,9 +3359,7 @@ static int __devinit sky2_probe(struct pci_dev *pdev, sky2_write32(hw, B0_IMSK, Y2_IS_BASE); setup_timer(&hw->idle_timer, sky2_idle, (unsigned long) hw); - if (idle_timeout > 0) - mod_timer(&hw->idle_timer, - jiffies + msecs_to_jiffies(idle_timeout)); + sky2_idle_start(hw); pci_set_drvdata(pdev, hw); @@ -3425,8 +3432,14 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state) { struct sky2_hw *hw = pci_get_drvdata(pdev); int i; + pci_power_t pstate = pci_choose_state(pdev, state); + + if (!(pstate == PCI_D3hot || pstate == PCI_D3cold)) + return -EINVAL; + + del_timer_sync(&hw->idle_timer); - for (i = 0; i < 2; i++) { + for (i = 0; i < hw->ports; i++) { struct net_device *dev = hw->dev[i]; if (dev) { @@ -3435,10 +3448,14 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state) sky2_down(dev); netif_device_detach(dev); + netif_poll_disable(dev); } } - return sky2_set_power_state(hw, pci_choose_state(pdev, state)); + sky2_write32(hw, B0_IMSK, 0); + pci_save_state(pdev); + sky2_set_power_state(hw, pstate); + return 0; } static int sky2_resume(struct pci_dev *pdev) @@ -3448,27 +3465,31 @@ static int sky2_resume(struct pci_dev *pdev) pci_restore_state(pdev); pci_enable_wake(pdev, PCI_D0, 0); - err = sky2_set_power_state(hw, PCI_D0); - if (err) - goto out; + sky2_set_power_state(hw, PCI_D0); err = sky2_reset(hw); if (err) goto out; - for (i = 0; i < 2; i++) { + sky2_write32(hw, B0_IMSK, Y2_IS_BASE); + + for (i = 0; i < hw->ports; i++) { struct net_device *dev = hw->dev[i]; if (dev && netif_running(dev)) { netif_device_attach(dev); + netif_poll_enable(dev); + err = sky2_up(dev); if (err) { printk(KERN_ERR PFX "%s: could not up: %d\n", dev->name, err); dev_close(dev); - break; + goto out; } } } + + sky2_idle_start(hw); out: return err; } diff --git a/drivers/net/smc-ultra.c b/drivers/net/smc-ultra.c index 3db30cd0625e..5b4e8529d4ab 100644 --- a/drivers/net/smc-ultra.c +++ b/drivers/net/smc-ultra.c @@ -553,7 +553,7 @@ MODULE_LICENSE("GPL"); /* This is set up so that only a single autoprobe takes place per call. ISA device autoprobes on a running machine are not recommended. */ -int +int __init init_module(void) { struct net_device *dev; diff --git a/drivers/net/smc-ultra32.c b/drivers/net/smc-ultra32.c index b3e397d7ca85..ff9bd97746dc 100644 --- a/drivers/net/smc-ultra32.c +++ b/drivers/net/smc-ultra32.c @@ -421,7 +421,7 @@ static struct net_device *dev_ultra[MAX_ULTRA32_CARDS]; MODULE_DESCRIPTION("SMC Ultra32 EISA ethernet driver"); MODULE_LICENSE("GPL"); -int init_module(void) +int __init init_module(void) { int this_dev, found = 0; diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c new file mode 100644 index 000000000000..bdd8702ead54 --- /dev/null +++ b/drivers/net/smc911x.c @@ -0,0 +1,2307 @@ +/* + * smc911x.c + * This is a driver for SMSC's LAN911{5,6,7,8} single-chip Ethernet devices. + * + * Copyright (C) 2005 Sensoria Corp + * Derived from the unified SMC91x driver by Nicolas Pitre + * and the smsc911x.c reference driver by SMSC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Arguments: + * watchdog = TX watchdog timeout + * tx_fifo_kb = Size of TX FIFO in KB + * + * History: + * 04/16/05 Dustin McIntire Initial version + */ +static const char version[] = + "smc911x.c: v1.0 04-16-2005 by Dustin McIntire <dustin@sensoria.com>\n"; + +/* Debugging options */ +#define ENABLE_SMC_DEBUG_RX 0 +#define ENABLE_SMC_DEBUG_TX 0 +#define ENABLE_SMC_DEBUG_DMA 0 +#define ENABLE_SMC_DEBUG_PKTS 0 +#define ENABLE_SMC_DEBUG_MISC 0 +#define ENABLE_SMC_DEBUG_FUNC 0 + +#define SMC_DEBUG_RX ((ENABLE_SMC_DEBUG_RX ? 1 : 0) << 0) +#define SMC_DEBUG_TX ((ENABLE_SMC_DEBUG_TX ? 1 : 0) << 1) +#define SMC_DEBUG_DMA ((ENABLE_SMC_DEBUG_DMA ? 1 : 0) << 2) +#define SMC_DEBUG_PKTS ((ENABLE_SMC_DEBUG_PKTS ? 1 : 0) << 3) +#define SMC_DEBUG_MISC ((ENABLE_SMC_DEBUG_MISC ? 1 : 0) << 4) +#define SMC_DEBUG_FUNC ((ENABLE_SMC_DEBUG_FUNC ? 1 : 0) << 5) + +#ifndef SMC_DEBUG +#define SMC_DEBUG ( SMC_DEBUG_RX | \ + SMC_DEBUG_TX | \ + SMC_DEBUG_DMA | \ + SMC_DEBUG_PKTS | \ + SMC_DEBUG_MISC | \ + SMC_DEBUG_FUNC \ + ) +#endif + + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/errno.h> +#include <linux/ioport.h> +#include <linux/crc32.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/spinlock.h> +#include <linux/ethtool.h> +#include <linux/mii.h> +#include <linux/workqueue.h> + +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/skbuff.h> + +#include <asm/io.h> +#include <asm/irq.h> + +#include "smc911x.h" + +/* + * Transmit timeout, default 5 seconds. + */ +static int watchdog = 5000; +module_param(watchdog, int, 0400); +MODULE_PARM_DESC(watchdog, "transmit timeout in milliseconds"); + +static int tx_fifo_kb=8; +module_param(tx_fifo_kb, int, 0400); +MODULE_PARM_DESC(tx_fifo_kb,"transmit FIFO size in KB (1<x<15)(default=8)"); + +MODULE_LICENSE("GPL"); + +/* + * The internal workings of the driver. If you are changing anything + * here with the SMC stuff, you should have the datasheet and know + * what you are doing. + */ +#define CARDNAME "smc911x" + +/* + * Use power-down feature of the chip + */ +#define POWER_DOWN 1 + + +/* store this information for the driver.. */ +struct smc911x_local { + /* + * If I have to wait until the DMA is finished and ready to reload a + * packet, I will store the skbuff here. Then, the DMA will send it + * out and free it. + */ + struct sk_buff *pending_tx_skb; + + /* + * these are things that the kernel wants me to keep, so users + * can find out semi-useless statistics of how well the card is + * performing + */ + struct net_device_stats stats; + + /* version/revision of the SMC911x chip */ + u16 version; + u16 revision; + + /* FIFO sizes */ + int tx_fifo_kb; + int tx_fifo_size; + int rx_fifo_size; + int afc_cfg; + + /* Contains the current active receive/phy mode */ + int ctl_rfduplx; + int ctl_rspeed; + + u32 msg_enable; + u32 phy_type; + struct mii_if_info mii; + + /* work queue */ + struct work_struct phy_configure; + int work_pending; + + int tx_throttle; + spinlock_t lock; + +#ifdef SMC_USE_DMA + /* DMA needs the physical address of the chip */ + u_long physaddr; + int rxdma; + int txdma; + int rxdma_active; + int txdma_active; + struct sk_buff *current_rx_skb; + struct sk_buff *current_tx_skb; + struct device *dev; +#endif +}; + +#if SMC_DEBUG > 0 +#define DBG(n, args...) \ + do { \ + if (SMC_DEBUG & (n)) \ + printk(args); \ + } while (0) + +#define PRINTK(args...) printk(args) +#else +#define DBG(n, args...) do { } while (0) +#define PRINTK(args...) printk(KERN_DEBUG args) +#endif + +#if SMC_DEBUG_PKTS > 0 +static void PRINT_PKT(u_char *buf, int length) +{ + int i; + int remainder; + int lines; + + lines = length / 16; + remainder = length % 16; + + for (i = 0; i < lines ; i ++) { + int cur; + for (cur = 0; cur < 8; cur++) { + u_char a, b; + a = *buf++; + b = *buf++; + printk("%02x%02x ", a, b); + } + printk("\n"); + } + for (i = 0; i < remainder/2 ; i++) { + u_char a, b; + a = *buf++; + b = *buf++; + printk("%02x%02x ", a, b); + } + printk("\n"); +} +#else +#define PRINT_PKT(x...) do { } while (0) +#endif + + +/* this enables an interrupt in the interrupt mask register */ +#define SMC_ENABLE_INT(x) do { \ + unsigned int __mask; \ + unsigned long __flags; \ + spin_lock_irqsave(&lp->lock, __flags); \ + __mask = SMC_GET_INT_EN(); \ + __mask |= (x); \ + SMC_SET_INT_EN(__mask); \ + spin_unlock_irqrestore(&lp->lock, __flags); \ +} while (0) + +/* this disables an interrupt from the interrupt mask register */ +#define SMC_DISABLE_INT(x) do { \ + unsigned int __mask; \ + unsigned long __flags; \ + spin_lock_irqsave(&lp->lock, __flags); \ + __mask = SMC_GET_INT_EN(); \ + __mask &= ~(x); \ + SMC_SET_INT_EN(__mask); \ + spin_unlock_irqrestore(&lp->lock, __flags); \ +} while (0) + +/* + * this does a soft reset on the device + */ +static void smc911x_reset(struct net_device *dev) +{ + unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); + unsigned int reg, timeout=0, resets=1; + unsigned long flags; + + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + + /* Take out of PM setting first */ + if ((SMC_GET_PMT_CTRL() & PMT_CTRL_READY_) == 0) { + /* Write to the bytetest will take out of powerdown */ + SMC_SET_BYTE_TEST(0); + timeout=10; + do { + udelay(10); + reg = SMC_GET_PMT_CTRL() & PMT_CTRL_READY_; + } while ( timeout-- && !reg); + if (timeout == 0) { + PRINTK("%s: smc911x_reset timeout waiting for PM restore\n", dev->name); + return; + } + } + + /* Disable all interrupts */ + spin_lock_irqsave(&lp->lock, flags); + SMC_SET_INT_EN(0); + spin_unlock_irqrestore(&lp->lock, flags); + + while (resets--) { + SMC_SET_HW_CFG(HW_CFG_SRST_); + timeout=10; + do { + udelay(10); + reg = SMC_GET_HW_CFG(); + /* If chip indicates reset timeout then try again */ + if (reg & HW_CFG_SRST_TO_) { + PRINTK("%s: chip reset timeout, retrying...\n", dev->name); + resets++; + break; + } + } while ( timeout-- && (reg & HW_CFG_SRST_)); + } + if (timeout == 0) { + PRINTK("%s: smc911x_reset timeout waiting for reset\n", dev->name); + return; + } + + /* make sure EEPROM has finished loading before setting GPIO_CFG */ + timeout=1000; + while ( timeout-- && (SMC_GET_E2P_CMD() & E2P_CMD_EPC_BUSY_)) { + udelay(10); + } + if (timeout == 0){ + PRINTK("%s: smc911x_reset timeout waiting for EEPROM busy\n", dev->name); + return; + } + + /* Initialize interrupts */ + SMC_SET_INT_EN(0); + SMC_ACK_INT(-1); + + /* Reset the FIFO level and flow control settings */ + SMC_SET_HW_CFG((lp->tx_fifo_kb & 0xF) << 16); +//TODO: Figure out what appropriate pause time is + SMC_SET_FLOW(FLOW_FCPT_ | FLOW_FCEN_); + SMC_SET_AFC_CFG(lp->afc_cfg); + + + /* Set to LED outputs */ + SMC_SET_GPIO_CFG(0x70070000); + + /* + * Deassert IRQ for 1*10us for edge type interrupts + * and drive IRQ pin push-pull + */ + SMC_SET_IRQ_CFG( (1 << 24) | INT_CFG_IRQ_EN_ | INT_CFG_IRQ_TYPE_ ); + + /* clear anything saved */ + if (lp->pending_tx_skb != NULL) { + dev_kfree_skb (lp->pending_tx_skb); + lp->pending_tx_skb = NULL; + lp->stats.tx_errors++; + lp->stats.tx_aborted_errors++; + } +} + +/* + * Enable Interrupts, Receive, and Transmit + */ +static void smc911x_enable(struct net_device *dev) +{ + unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); + unsigned mask, cfg, cr; + unsigned long flags; + + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + + SMC_SET_MAC_ADDR(dev->dev_addr); + + /* Enable TX */ + cfg = SMC_GET_HW_CFG(); + cfg &= HW_CFG_TX_FIF_SZ_ | 0xFFF; + cfg |= HW_CFG_SF_; + SMC_SET_HW_CFG(cfg); + SMC_SET_FIFO_TDA(0xFF); + /* Update TX stats on every 64 packets received or every 1 sec */ + SMC_SET_FIFO_TSL(64); + SMC_SET_GPT_CFG(GPT_CFG_TIMER_EN_ | 10000); + + spin_lock_irqsave(&lp->lock, flags); + SMC_GET_MAC_CR(cr); + cr |= MAC_CR_TXEN_ | MAC_CR_HBDIS_; + SMC_SET_MAC_CR(cr); + SMC_SET_TX_CFG(TX_CFG_TX_ON_); + spin_unlock_irqrestore(&lp->lock, flags); + + /* Add 2 byte padding to start of packets */ + SMC_SET_RX_CFG((2<<8) & RX_CFG_RXDOFF_); + + /* Turn on receiver and enable RX */ + if (cr & MAC_CR_RXEN_) + DBG(SMC_DEBUG_RX, "%s: Receiver already enabled\n", dev->name); + + spin_lock_irqsave(&lp->lock, flags); + SMC_SET_MAC_CR( cr | MAC_CR_RXEN_ ); + spin_unlock_irqrestore(&lp->lock, flags); + + /* Interrupt on every received packet */ + SMC_SET_FIFO_RSA(0x01); + SMC_SET_FIFO_RSL(0x00); + + /* now, enable interrupts */ + mask = INT_EN_TDFA_EN_ | INT_EN_TSFL_EN_ | INT_EN_RSFL_EN_ | + INT_EN_GPT_INT_EN_ | INT_EN_RXDFH_INT_EN_ | INT_EN_RXE_EN_ | + INT_EN_PHY_INT_EN_; + if (IS_REV_A(lp->revision)) + mask|=INT_EN_RDFL_EN_; + else { + mask|=INT_EN_RDFO_EN_; + } + SMC_ENABLE_INT(mask); +} + +/* + * this puts the device in an inactive state + */ +static void smc911x_shutdown(struct net_device *dev) +{ + unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); + unsigned cr; + unsigned long flags; + + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", CARDNAME, __FUNCTION__); + + /* Disable IRQ's */ + SMC_SET_INT_EN(0); + + /* Turn of Rx and TX */ + spin_lock_irqsave(&lp->lock, flags); + SMC_GET_MAC_CR(cr); + cr &= ~(MAC_CR_TXEN_ | MAC_CR_RXEN_ | MAC_CR_HBDIS_); + SMC_SET_MAC_CR(cr); + SMC_SET_TX_CFG(TX_CFG_STOP_TX_); + spin_unlock_irqrestore(&lp->lock, flags); +} + +static inline void smc911x_drop_pkt(struct net_device *dev) +{ + unsigned long ioaddr = dev->base_addr; + unsigned int fifo_count, timeout, reg; + + DBG(SMC_DEBUG_FUNC | SMC_DEBUG_RX, "%s: --> %s\n", CARDNAME, __FUNCTION__); + fifo_count = SMC_GET_RX_FIFO_INF() & 0xFFFF; + if (fifo_count <= 4) { + /* Manually dump the packet data */ + while (fifo_count--) + SMC_GET_RX_FIFO(); + } else { + /* Fast forward through the bad packet */ + SMC_SET_RX_DP_CTRL(RX_DP_CTRL_FFWD_BUSY_); + timeout=50; + do { + udelay(10); + reg = SMC_GET_RX_DP_CTRL() & RX_DP_CTRL_FFWD_BUSY_; + } while ( timeout-- && reg); + if (timeout == 0) { + PRINTK("%s: timeout waiting for RX fast forward\n", dev->name); + } + } +} + +/* + * This is the procedure to handle the receipt of a packet. + * It should be called after checking for packet presence in + * the RX status FIFO. It must be called with the spin lock + * already held. + */ +static inline void smc911x_rcv(struct net_device *dev) +{ + struct smc911x_local *lp = netdev_priv(dev); + unsigned long ioaddr = dev->base_addr; + unsigned int pkt_len, status; + struct sk_buff *skb; + unsigned char *data; + + DBG(SMC_DEBUG_FUNC | SMC_DEBUG_RX, "%s: --> %s\n", + dev->name, __FUNCTION__); + status = SMC_GET_RX_STS_FIFO(); + DBG(SMC_DEBUG_RX, "%s: Rx pkt len %d status 0x%08x \n", + dev->name, (status & 0x3fff0000) >> 16, status & 0xc000ffff); + pkt_len = (status & RX_STS_PKT_LEN_) >> 16; + if (status & RX_STS_ES_) { + /* Deal with a bad packet */ + lp->stats.rx_errors++; + if (status & RX_STS_CRC_ERR_) + lp->stats.rx_crc_errors++; + else { + if (status & RX_STS_LEN_ERR_) + lp->stats.rx_length_errors++; + if (status & RX_STS_MCAST_) + lp->stats.multicast++; + } + /* Remove the bad packet data from the RX FIFO */ + smc911x_drop_pkt(dev); + } else { + /* Receive a valid packet */ + /* Alloc a buffer with extra room for DMA alignment */ + skb=dev_alloc_skb(pkt_len+32); + if (unlikely(skb == NULL)) { + PRINTK( "%s: Low memory, rcvd packet dropped.\n", + dev->name); + lp->stats.rx_dropped++; + smc911x_drop_pkt(dev); + return; + } + /* Align IP header to 32 bits + * Note that the device is configured to add a 2 + * byte padding to the packet start, so we really + * want to write to the orignal data pointer */ + data = skb->data; + skb_reserve(skb, 2); + skb_put(skb,pkt_len-4); +#ifdef SMC_USE_DMA + { + unsigned int fifo; + /* Lower the FIFO threshold if possible */ + fifo = SMC_GET_FIFO_INT(); + if (fifo & 0xFF) fifo--; + DBG(SMC_DEBUG_RX, "%s: Setting RX stat FIFO threshold to %d\n", + dev->name, fifo & 0xff); + SMC_SET_FIFO_INT(fifo); + /* Setup RX DMA */ + SMC_SET_RX_CFG(RX_CFG_RX_END_ALGN16_ | ((2<<8) & RX_CFG_RXDOFF_)); + lp->rxdma_active = 1; + lp->current_rx_skb = skb; + SMC_PULL_DATA(data, (pkt_len+2+15) & ~15); + /* Packet processing deferred to DMA RX interrupt */ + } +#else + SMC_SET_RX_CFG(RX_CFG_RX_END_ALGN4_ | ((2<<8) & RX_CFG_RXDOFF_)); + SMC_PULL_DATA(data, pkt_len+2+3); + + DBG(SMC_DEBUG_PKTS, "%s: Received packet\n", dev->name,); + PRINT_PKT(data, ((pkt_len - 4) <= 64) ? pkt_len - 4 : 64); + dev->last_rx = jiffies; + skb->dev = dev; + skb->protocol = eth_type_trans(skb, dev); + netif_rx(skb); + lp->stats.rx_packets++; + lp->stats.rx_bytes += pkt_len-4; +#endif + } +} + +/* + * This is called to actually send a packet to the chip. + */ +static void smc911x_hardware_send_pkt(struct net_device *dev) +{ + struct smc911x_local *lp = netdev_priv(dev); + unsigned long ioaddr = dev->base_addr; + struct sk_buff *skb; + unsigned int cmdA, cmdB, len; + unsigned char *buf; + unsigned long flags; + + DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, "%s: --> %s\n", dev->name, __FUNCTION__); + BUG_ON(lp->pending_tx_skb == NULL); + + skb = lp->pending_tx_skb; + lp->pending_tx_skb = NULL; + + /* cmdA {25:24] data alignment [20:16] start offset [10:0] buffer length */ + /* cmdB {31:16] pkt tag [10:0] length */ +#ifdef SMC_USE_DMA + /* 16 byte buffer alignment mode */ + buf = (char*)((u32)(skb->data) & ~0xF); + len = (skb->len + 0xF + ((u32)skb->data & 0xF)) & ~0xF; + cmdA = (1<<24) | (((u32)skb->data & 0xF)<<16) | + TX_CMD_A_INT_FIRST_SEG_ | TX_CMD_A_INT_LAST_SEG_ | + skb->len; +#else + buf = (char*)((u32)skb->data & ~0x3); + len = (skb->len + 3 + ((u32)skb->data & 3)) & ~0x3; + cmdA = (((u32)skb->data & 0x3) << 16) | + TX_CMD_A_INT_FIRST_SEG_ | TX_CMD_A_INT_LAST_SEG_ | + skb->len; +#endif + /* tag is packet length so we can use this in stats update later */ + cmdB = (skb->len << 16) | (skb->len & 0x7FF); + + DBG(SMC_DEBUG_TX, "%s: TX PKT LENGTH 0x%04x (%d) BUF 0x%p CMDA 0x%08x CMDB 0x%08x\n", + dev->name, len, len, buf, cmdA, cmdB); + SMC_SET_TX_FIFO(cmdA); + SMC_SET_TX_FIFO(cmdB); + + DBG(SMC_DEBUG_PKTS, "%s: Transmitted packet\n", dev->name); + PRINT_PKT(buf, len <= 64 ? len : 64); + + /* Send pkt via PIO or DMA */ +#ifdef SMC_USE_DMA + lp->current_tx_skb = skb; + SMC_PUSH_DATA(buf, len); + /* DMA complete IRQ will free buffer and set jiffies */ +#else + SMC_PUSH_DATA(buf, len); + dev->trans_start = jiffies; + dev_kfree_skb(skb); +#endif + spin_lock_irqsave(&lp->lock, flags); + if (!lp->tx_throttle) { + netif_wake_queue(dev); + } + spin_unlock_irqrestore(&lp->lock, flags); + SMC_ENABLE_INT(INT_EN_TDFA_EN_ | INT_EN_TSFL_EN_); +} + +/* + * Since I am not sure if I will have enough room in the chip's ram + * to store the packet, I call this routine which either sends it + * now, or set the card to generates an interrupt when ready + * for the packet. + */ +static int smc911x_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct smc911x_local *lp = netdev_priv(dev); + unsigned long ioaddr = dev->base_addr; + unsigned int free; + unsigned long flags; + + DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, "%s: --> %s\n", + dev->name, __FUNCTION__); + + BUG_ON(lp->pending_tx_skb != NULL); + + free = SMC_GET_TX_FIFO_INF() & TX_FIFO_INF_TDFREE_; + DBG(SMC_DEBUG_TX, "%s: TX free space %d\n", dev->name, free); + + /* Turn off the flow when running out of space in FIFO */ + if (free <= SMC911X_TX_FIFO_LOW_THRESHOLD) { + DBG(SMC_DEBUG_TX, "%s: Disabling data flow due to low FIFO space (%d)\n", + dev->name, free); + spin_lock_irqsave(&lp->lock, flags); + /* Reenable when at least 1 packet of size MTU present */ + SMC_SET_FIFO_TDA((SMC911X_TX_FIFO_LOW_THRESHOLD)/64); + lp->tx_throttle = 1; + netif_stop_queue(dev); + spin_unlock_irqrestore(&lp->lock, flags); + } + + /* Drop packets when we run out of space in TX FIFO + * Account for overhead required for: + * + * Tx command words 8 bytes + * Start offset 15 bytes + * End padding 15 bytes + */ + if (unlikely(free < (skb->len + 8 + 15 + 15))) { + printk("%s: No Tx free space %d < %d\n", + dev->name, free, skb->len); + lp->pending_tx_skb = NULL; + lp->stats.tx_errors++; + lp->stats.tx_dropped++; + dev_kfree_skb(skb); + return 0; + } + +#ifdef SMC_USE_DMA + { + /* If the DMA is already running then defer this packet Tx until + * the DMA IRQ starts it + */ + spin_lock_irqsave(&lp->lock, flags); + if (lp->txdma_active) { + DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, "%s: Tx DMA running, deferring packet\n", dev->name); + lp->pending_tx_skb = skb; + netif_stop_queue(dev); + spin_unlock_irqrestore(&lp->lock, flags); + return 0; + } else { + DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, "%s: Activating Tx DMA\n", dev->name); + lp->txdma_active = 1; + } + spin_unlock_irqrestore(&lp->lock, flags); + } +#endif + lp->pending_tx_skb = skb; + smc911x_hardware_send_pkt(dev); + + return 0; +} + +/* + * This handles a TX status interrupt, which is only called when: + * - a TX error occurred, or + * - TX of a packet completed. + */ +static void smc911x_tx(struct net_device *dev) +{ + unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); + unsigned int tx_status; + + DBG(SMC_DEBUG_FUNC | SMC_DEBUG_TX, "%s: --> %s\n", + dev->name, __FUNCTION__); + + /* Collect the TX status */ + while (((SMC_GET_TX_FIFO_INF() & TX_FIFO_INF_TSUSED_) >> 16) != 0) { + DBG(SMC_DEBUG_TX, "%s: Tx stat FIFO used 0x%04x\n", + dev->name, + (SMC_GET_TX_FIFO_INF() & TX_FIFO_INF_TSUSED_) >> 16); + tx_status = SMC_GET_TX_STS_FIFO(); + lp->stats.tx_packets++; + lp->stats.tx_bytes+=tx_status>>16; + DBG(SMC_DEBUG_TX, "%s: Tx FIFO tag 0x%04x status 0x%04x\n", + dev->name, (tx_status & 0xffff0000) >> 16, + tx_status & 0x0000ffff); + /* count Tx errors, but ignore lost carrier errors when in + * full-duplex mode */ + if ((tx_status & TX_STS_ES_) && !(lp->ctl_rfduplx && + !(tx_status & 0x00000306))) { + lp->stats.tx_errors++; + } + if (tx_status & TX_STS_MANY_COLL_) { + lp->stats.collisions+=16; + lp->stats.tx_aborted_errors++; + } else { + lp->stats.collisions+=(tx_status & TX_STS_COLL_CNT_) >> 3; + } + /* carrier error only has meaning for half-duplex communication */ + if ((tx_status & (TX_STS_LOC_ | TX_STS_NO_CARR_)) && + !lp->ctl_rfduplx) { + lp->stats.tx_carrier_errors++; + } + if (tx_status & TX_STS_LATE_COLL_) { + lp->stats.collisions++; + lp->stats.tx_aborted_errors++; + } + } +} + + +/*---PHY CONTROL AND CONFIGURATION-----------------------------------------*/ +/* + * Reads a register from the MII Management serial interface + */ + +static int smc911x_phy_read(struct net_device *dev, int phyaddr, int phyreg) +{ + unsigned long ioaddr = dev->base_addr; + unsigned int phydata; + + SMC_GET_MII(phyreg, phyaddr, phydata); + + DBG(SMC_DEBUG_MISC, "%s: phyaddr=0x%x, phyreg=0x%02x, phydata=0x%04x\n", + __FUNCTION__, phyaddr, phyreg, phydata); + return phydata; +} + + +/* + * Writes a register to the MII Management serial interface + */ +static void smc911x_phy_write(struct net_device *dev, int phyaddr, int phyreg, + int phydata) +{ + unsigned long ioaddr = dev->base_addr; + + DBG(SMC_DEBUG_MISC, "%s: phyaddr=0x%x, phyreg=0x%x, phydata=0x%x\n", + __FUNCTION__, phyaddr, phyreg, phydata); + + SMC_SET_MII(phyreg, phyaddr, phydata); +} + +/* + * Finds and reports the PHY address (115 and 117 have external + * PHY interface 118 has internal only + */ +static void smc911x_phy_detect(struct net_device *dev) +{ + unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); + int phyaddr; + unsigned int cfg, id1, id2; + + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + + lp->phy_type = 0; + + /* + * Scan all 32 PHY addresses if necessary, starting at + * PHY#1 to PHY#31, and then PHY#0 last. + */ + switch(lp->version) { + case 0x115: + case 0x117: + cfg = SMC_GET_HW_CFG(); + if (cfg & HW_CFG_EXT_PHY_DET_) { + cfg &= ~HW_CFG_PHY_CLK_SEL_; + cfg |= HW_CFG_PHY_CLK_SEL_CLK_DIS_; + SMC_SET_HW_CFG(cfg); + udelay(10); /* Wait for clocks to stop */ + + cfg |= HW_CFG_EXT_PHY_EN_; + SMC_SET_HW_CFG(cfg); + udelay(10); /* Wait for clocks to stop */ + + cfg &= ~HW_CFG_PHY_CLK_SEL_; + cfg |= HW_CFG_PHY_CLK_SEL_EXT_PHY_; + SMC_SET_HW_CFG(cfg); + udelay(10); /* Wait for clocks to stop */ + + cfg |= HW_CFG_SMI_SEL_; + SMC_SET_HW_CFG(cfg); + + for (phyaddr = 1; phyaddr < 32; ++phyaddr) { + + /* Read the PHY identifiers */ + SMC_GET_PHY_ID1(phyaddr & 31, id1); + SMC_GET_PHY_ID2(phyaddr & 31, id2); + + /* Make sure it is a valid identifier */ + if (id1 != 0x0000 && id1 != 0xffff && + id1 != 0x8000 && id2 != 0x0000 && + id2 != 0xffff && id2 != 0x8000) { + /* Save the PHY's address */ + lp->mii.phy_id = phyaddr & 31; + lp->phy_type = id1 << 16 | id2; + break; + } + } + } + default: + /* Internal media only */ + SMC_GET_PHY_ID1(1, id1); + SMC_GET_PHY_ID2(1, id2); + /* Save the PHY's address */ + lp->mii.phy_id = 1; + lp->phy_type = id1 << 16 | id2; + } + + DBG(SMC_DEBUG_MISC, "%s: phy_id1=0x%x, phy_id2=0x%x phyaddr=0x%d\n", + dev->name, id1, id2, lp->mii.phy_id); +} + +/* + * Sets the PHY to a configuration as determined by the user. + * Called with spin_lock held. + */ +static int smc911x_phy_fixed(struct net_device *dev) +{ + struct smc911x_local *lp = netdev_priv(dev); + unsigned long ioaddr = dev->base_addr; + int phyaddr = lp->mii.phy_id; + int bmcr; + + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + + /* Enter Link Disable state */ + SMC_GET_PHY_BMCR(phyaddr, bmcr); + bmcr |= BMCR_PDOWN; + SMC_SET_PHY_BMCR(phyaddr, bmcr); + + /* + * Set our fixed capabilities + * Disable auto-negotiation + */ + bmcr &= ~BMCR_ANENABLE; + if (lp->ctl_rfduplx) + bmcr |= BMCR_FULLDPLX; + + if (lp->ctl_rspeed == 100) + bmcr |= BMCR_SPEED100; + + /* Write our capabilities to the phy control register */ + SMC_SET_PHY_BMCR(phyaddr, bmcr); + + /* Re-Configure the Receive/Phy Control register */ + bmcr &= ~BMCR_PDOWN; + SMC_SET_PHY_BMCR(phyaddr, bmcr); + + return 1; +} + +/* + * smc911x_phy_reset - reset the phy + * @dev: net device + * @phy: phy address + * + * Issue a software reset for the specified PHY and + * wait up to 100ms for the reset to complete. We should + * not access the PHY for 50ms after issuing the reset. + * + * The time to wait appears to be dependent on the PHY. + * + */ +static int smc911x_phy_reset(struct net_device *dev, int phy) +{ + struct smc911x_local *lp = netdev_priv(dev); + unsigned long ioaddr = dev->base_addr; + int timeout; + unsigned long flags; + unsigned int reg; + + DBG(SMC_DEBUG_FUNC, "%s: --> %s()\n", dev->name, __FUNCTION__); + + spin_lock_irqsave(&lp->lock, flags); + reg = SMC_GET_PMT_CTRL(); + reg &= ~0xfffff030; + reg |= PMT_CTRL_PHY_RST_; + SMC_SET_PMT_CTRL(reg); + spin_unlock_irqrestore(&lp->lock, flags); + for (timeout = 2; timeout; timeout--) { + msleep(50); + spin_lock_irqsave(&lp->lock, flags); + reg = SMC_GET_PMT_CTRL(); + spin_unlock_irqrestore(&lp->lock, flags); + if (!(reg & PMT_CTRL_PHY_RST_)) { + /* extra delay required because the phy may + * not be completed with its reset + * when PHY_BCR_RESET_ is cleared. 256us + * should suffice, but use 500us to be safe + */ + udelay(500); + break; + } + } + + return reg & PMT_CTRL_PHY_RST_; +} + +/* + * smc911x_phy_powerdown - powerdown phy + * @dev: net device + * @phy: phy address + * + * Power down the specified PHY + */ +static void smc911x_phy_powerdown(struct net_device *dev, int phy) +{ + unsigned long ioaddr = dev->base_addr; + unsigned int bmcr; + + /* Enter Link Disable state */ + SMC_GET_PHY_BMCR(phy, bmcr); + bmcr |= BMCR_PDOWN; + SMC_SET_PHY_BMCR(phy, bmcr); +} + +/* + * smc911x_phy_check_media - check the media status and adjust BMCR + * @dev: net device + * @init: set true for initialisation + * + * Select duplex mode depending on negotiation state. This + * also updates our carrier state. + */ +static void smc911x_phy_check_media(struct net_device *dev, int init) +{ + struct smc911x_local *lp = netdev_priv(dev); + unsigned long ioaddr = dev->base_addr; + int phyaddr = lp->mii.phy_id; + unsigned int bmcr, cr; + + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + + if (mii_check_media(&lp->mii, netif_msg_link(lp), init)) { + /* duplex state has changed */ + SMC_GET_PHY_BMCR(phyaddr, bmcr); + SMC_GET_MAC_CR(cr); + if (lp->mii.full_duplex) { + DBG(SMC_DEBUG_MISC, "%s: Configuring for full-duplex mode\n", dev->name); + bmcr |= BMCR_FULLDPLX; + cr |= MAC_CR_RCVOWN_; + } else { + DBG(SMC_DEBUG_MISC, "%s: Configuring for half-duplex mode\n", dev->name); + bmcr &= ~BMCR_FULLDPLX; + cr &= ~MAC_CR_RCVOWN_; + } + SMC_SET_PHY_BMCR(phyaddr, bmcr); + SMC_SET_MAC_CR(cr); + } +} + +/* + * Configures the specified PHY through the MII management interface + * using Autonegotiation. + * Calls smc911x_phy_fixed() if the user has requested a certain config. + * If RPC ANEG bit is set, the media selection is dependent purely on + * the selection by the MII (either in the MII BMCR reg or the result + * of autonegotiation.) If the RPC ANEG bit is cleared, the selection + * is controlled by the RPC SPEED and RPC DPLX bits. + */ +static void smc911x_phy_configure(void *data) +{ + struct net_device *dev = data; + struct smc911x_local *lp = netdev_priv(dev); + unsigned long ioaddr = dev->base_addr; + int phyaddr = lp->mii.phy_id; + int my_phy_caps; /* My PHY capabilities */ + int my_ad_caps; /* My Advertised capabilities */ + int status; + unsigned long flags; + + DBG(SMC_DEBUG_FUNC, "%s: --> %s()\n", dev->name, __FUNCTION__); + + /* + * We should not be called if phy_type is zero. + */ + if (lp->phy_type == 0) + goto smc911x_phy_configure_exit; + + if (smc911x_phy_reset(dev, phyaddr)) { + printk("%s: PHY reset timed out\n", dev->name); + goto smc911x_phy_configure_exit; + } + spin_lock_irqsave(&lp->lock, flags); + + /* + * Enable PHY Interrupts (for register 18) + * Interrupts listed here are enabled + */ + SMC_SET_PHY_INT_MASK(phyaddr, PHY_INT_MASK_ENERGY_ON_ | + PHY_INT_MASK_ANEG_COMP_ | PHY_INT_MASK_REMOTE_FAULT_ | + PHY_INT_MASK_LINK_DOWN_); + + /* If the user requested no auto neg, then go set his request */ + if (lp->mii.force_media) { + smc911x_phy_fixed(dev); + goto smc911x_phy_configure_exit; + } + + /* Copy our capabilities from MII_BMSR to MII_ADVERTISE */ + SMC_GET_PHY_BMSR(phyaddr, my_phy_caps); + if (!(my_phy_caps & BMSR_ANEGCAPABLE)) { + printk(KERN_INFO "Auto negotiation NOT supported\n"); + smc911x_phy_fixed(dev); + goto smc911x_phy_configure_exit; + } + + /* CSMA capable w/ both pauses */ + my_ad_caps = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; + + if (my_phy_caps & BMSR_100BASE4) + my_ad_caps |= ADVERTISE_100BASE4; + if (my_phy_caps & BMSR_100FULL) + my_ad_caps |= ADVERTISE_100FULL; + if (my_phy_caps & BMSR_100HALF) + my_ad_caps |= ADVERTISE_100HALF; + if (my_phy_caps & BMSR_10FULL) + my_ad_caps |= ADVERTISE_10FULL; + if (my_phy_caps & BMSR_10HALF) + my_ad_caps |= ADVERTISE_10HALF; + + /* Disable capabilities not selected by our user */ + if (lp->ctl_rspeed != 100) + my_ad_caps &= ~(ADVERTISE_100BASE4|ADVERTISE_100FULL|ADVERTISE_100HALF); + + if (!lp->ctl_rfduplx) + my_ad_caps &= ~(ADVERTISE_100FULL|ADVERTISE_10FULL); + + /* Update our Auto-Neg Advertisement Register */ + SMC_SET_PHY_MII_ADV(phyaddr, my_ad_caps); + lp->mii.advertising = my_ad_caps; + + /* + * Read the register back. Without this, it appears that when + * auto-negotiation is restarted, sometimes it isn't ready and + * the link does not come up. + */ + udelay(10); + SMC_GET_PHY_MII_ADV(phyaddr, status); + + DBG(SMC_DEBUG_MISC, "%s: phy caps=0x%04x\n", dev->name, my_phy_caps); + DBG(SMC_DEBUG_MISC, "%s: phy advertised caps=0x%04x\n", dev->name, my_ad_caps); + + /* Restart auto-negotiation process in order to advertise my caps */ + SMC_SET_PHY_BMCR(phyaddr, BMCR_ANENABLE | BMCR_ANRESTART); + + smc911x_phy_check_media(dev, 1); + +smc911x_phy_configure_exit: + spin_unlock_irqrestore(&lp->lock, flags); + lp->work_pending = 0; +} + +/* + * smc911x_phy_interrupt + * + * Purpose: Handle interrupts relating to PHY register 18. This is + * called from the "hard" interrupt handler under our private spinlock. + */ +static void smc911x_phy_interrupt(struct net_device *dev) +{ + struct smc911x_local *lp = netdev_priv(dev); + unsigned long ioaddr = dev->base_addr; + int phyaddr = lp->mii.phy_id; + int status; + + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + + if (lp->phy_type == 0) + return; + + smc911x_phy_check_media(dev, 0); + /* read to clear status bits */ + SMC_GET_PHY_INT_SRC(phyaddr,status); + DBG(SMC_DEBUG_MISC, "%s: PHY interrupt status 0x%04x\n", + dev->name, status & 0xffff); + DBG(SMC_DEBUG_MISC, "%s: AFC_CFG 0x%08x\n", + dev->name, SMC_GET_AFC_CFG()); +} + +/*--- END PHY CONTROL AND CONFIGURATION-------------------------------------*/ + +/* + * This is the main routine of the driver, to handle the device when + * it needs some attention. + */ +static irqreturn_t smc911x_interrupt(int irq, void *dev_id, struct pt_regs *regs) +{ + struct net_device *dev = dev_id; + unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); + unsigned int status, mask, timeout; + unsigned int rx_overrun=0, cr, pkts; + unsigned long flags; + + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + + spin_lock_irqsave(&lp->lock, flags); + + /* Spurious interrupt check */ + if ((SMC_GET_IRQ_CFG() & (INT_CFG_IRQ_INT_ | INT_CFG_IRQ_EN_)) != + (INT_CFG_IRQ_INT_ | INT_CFG_IRQ_EN_)) { + return IRQ_NONE; + } + + mask = SMC_GET_INT_EN(); + SMC_SET_INT_EN(0); + + /* set a timeout value, so I don't stay here forever */ + timeout = 8; + + + do { + status = SMC_GET_INT(); + + DBG(SMC_DEBUG_MISC, "%s: INT 0x%08x MASK 0x%08x OUTSIDE MASK 0x%08x\n", + dev->name, status, mask, status & ~mask); + + status &= mask; + if (!status) + break; + + /* Handle SW interrupt condition */ + if (status & INT_STS_SW_INT_) { + SMC_ACK_INT(INT_STS_SW_INT_); + mask &= ~INT_EN_SW_INT_EN_; + } + /* Handle various error conditions */ + if (status & INT_STS_RXE_) { + SMC_ACK_INT(INT_STS_RXE_); + lp->stats.rx_errors++; + } + if (status & INT_STS_RXDFH_INT_) { + SMC_ACK_INT(INT_STS_RXDFH_INT_); + lp->stats.rx_dropped+=SMC_GET_RX_DROP(); + } + /* Undocumented interrupt-what is the right thing to do here? */ + if (status & INT_STS_RXDF_INT_) { + SMC_ACK_INT(INT_STS_RXDF_INT_); + } + + /* Rx Data FIFO exceeds set level */ + if (status & INT_STS_RDFL_) { + if (IS_REV_A(lp->revision)) { + rx_overrun=1; + SMC_GET_MAC_CR(cr); + cr &= ~MAC_CR_RXEN_; + SMC_SET_MAC_CR(cr); + DBG(SMC_DEBUG_RX, "%s: RX overrun\n", dev->name); + lp->stats.rx_errors++; + lp->stats.rx_fifo_errors++; + } + SMC_ACK_INT(INT_STS_RDFL_); + } + if (status & INT_STS_RDFO_) { + if (!IS_REV_A(lp->revision)) { + SMC_GET_MAC_CR(cr); + cr &= ~MAC_CR_RXEN_; + SMC_SET_MAC_CR(cr); + rx_overrun=1; + DBG(SMC_DEBUG_RX, "%s: RX overrun\n", dev->name); + lp->stats.rx_errors++; + lp->stats.rx_fifo_errors++; + } + SMC_ACK_INT(INT_STS_RDFO_); + } + /* Handle receive condition */ + if ((status & INT_STS_RSFL_) || rx_overrun) { + unsigned int fifo; + DBG(SMC_DEBUG_RX, "%s: RX irq\n", dev->name); + fifo = SMC_GET_RX_FIFO_INF(); + pkts = (fifo & RX_FIFO_INF_RXSUSED_) >> 16; + DBG(SMC_DEBUG_RX, "%s: Rx FIFO pkts %d, bytes %d\n", + dev->name, pkts, fifo & 0xFFFF ); + if (pkts != 0) { +#ifdef SMC_USE_DMA + unsigned int fifo; + if (lp->rxdma_active){ + DBG(SMC_DEBUG_RX | SMC_DEBUG_DMA, + "%s: RX DMA active\n", dev->name); + /* The DMA is already running so up the IRQ threshold */ + fifo = SMC_GET_FIFO_INT() & ~0xFF; + fifo |= pkts & 0xFF; + DBG(SMC_DEBUG_RX, + "%s: Setting RX stat FIFO threshold to %d\n", + dev->name, fifo & 0xff); + SMC_SET_FIFO_INT(fifo); + } else +#endif + smc911x_rcv(dev); + } + SMC_ACK_INT(INT_STS_RSFL_); + } + /* Handle transmit FIFO available */ + if (status & INT_STS_TDFA_) { + DBG(SMC_DEBUG_TX, "%s: TX data FIFO space available irq\n", dev->name); + SMC_SET_FIFO_TDA(0xFF); + lp->tx_throttle = 0; +#ifdef SMC_USE_DMA + if (!lp->txdma_active) +#endif + netif_wake_queue(dev); + SMC_ACK_INT(INT_STS_TDFA_); + } + /* Handle transmit done condition */ +#if 1 + if (status & (INT_STS_TSFL_ | INT_STS_GPT_INT_)) { + DBG(SMC_DEBUG_TX | SMC_DEBUG_MISC, + "%s: Tx stat FIFO limit (%d) /GPT irq\n", + dev->name, (SMC_GET_FIFO_INT() & 0x00ff0000) >> 16); + smc911x_tx(dev); + SMC_SET_GPT_CFG(GPT_CFG_TIMER_EN_ | 10000); + SMC_ACK_INT(INT_STS_TSFL_); + SMC_ACK_INT(INT_STS_TSFL_ | INT_STS_GPT_INT_); + } +#else + if (status & INT_STS_TSFL_) { + DBG(SMC_DEBUG_TX, "%s: TX status FIFO limit (%d) irq \n", dev->name, ); + smc911x_tx(dev); + SMC_ACK_INT(INT_STS_TSFL_); + } + + if (status & INT_STS_GPT_INT_) { + DBG(SMC_DEBUG_RX, "%s: IRQ_CFG 0x%08x FIFO_INT 0x%08x RX_CFG 0x%08x\n", + dev->name, + SMC_GET_IRQ_CFG(), + SMC_GET_FIFO_INT(), + SMC_GET_RX_CFG()); + DBG(SMC_DEBUG_RX, "%s: Rx Stat FIFO Used 0x%02x " + "Data FIFO Used 0x%04x Stat FIFO 0x%08x\n", + dev->name, + (SMC_GET_RX_FIFO_INF() & 0x00ff0000) >> 16, + SMC_GET_RX_FIFO_INF() & 0xffff, + SMC_GET_RX_STS_FIFO_PEEK()); + SMC_SET_GPT_CFG(GPT_CFG_TIMER_EN_ | 10000); + SMC_ACK_INT(INT_STS_GPT_INT_); + } +#endif + + /* Handle PHY interupt condition */ + if (status & INT_STS_PHY_INT_) { + DBG(SMC_DEBUG_MISC, "%s: PHY irq\n", dev->name); + smc911x_phy_interrupt(dev); + SMC_ACK_INT(INT_STS_PHY_INT_); + } + } while (--timeout); + + /* restore mask state */ + SMC_SET_INT_EN(mask); + + DBG(SMC_DEBUG_MISC, "%s: Interrupt done (%d loops)\n", + dev->name, 8-timeout); + + spin_unlock_irqrestore(&lp->lock, flags); + + DBG(3, "%s: Interrupt done (%d loops)\n", dev->name, 8-timeout); + + return IRQ_HANDLED; +} + +#ifdef SMC_USE_DMA +static void +smc911x_tx_dma_irq(int dma, void *data, struct pt_regs *regs) +{ + struct net_device *dev = (struct net_device *)data; + struct smc911x_local *lp = netdev_priv(dev); + struct sk_buff *skb = lp->current_tx_skb; + unsigned long flags; + + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + + DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, "%s: TX DMA irq handler\n", dev->name); + /* Clear the DMA interrupt sources */ + SMC_DMA_ACK_IRQ(dev, dma); + BUG_ON(skb == NULL); + dma_unmap_single(NULL, tx_dmabuf, tx_dmalen, DMA_TO_DEVICE); + dev->trans_start = jiffies; + dev_kfree_skb_irq(skb); + lp->current_tx_skb = NULL; + if (lp->pending_tx_skb != NULL) + smc911x_hardware_send_pkt(dev); + else { + DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, + "%s: No pending Tx packets. DMA disabled\n", dev->name); + spin_lock_irqsave(&lp->lock, flags); + lp->txdma_active = 0; + if (!lp->tx_throttle) { + netif_wake_queue(dev); + } + spin_unlock_irqrestore(&lp->lock, flags); + } + + DBG(SMC_DEBUG_TX | SMC_DEBUG_DMA, + "%s: TX DMA irq completed\n", dev->name); +} +static void +smc911x_rx_dma_irq(int dma, void *data, struct pt_regs *regs) +{ + struct net_device *dev = (struct net_device *)data; + unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); + struct sk_buff *skb = lp->current_rx_skb; + unsigned long flags; + unsigned int pkts; + + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + DBG(SMC_DEBUG_RX | SMC_DEBUG_DMA, "%s: RX DMA irq handler\n", dev->name); + /* Clear the DMA interrupt sources */ + SMC_DMA_ACK_IRQ(dev, dma); + dma_unmap_single(NULL, rx_dmabuf, rx_dmalen, DMA_FROM_DEVICE); + BUG_ON(skb == NULL); + lp->current_rx_skb = NULL; + PRINT_PKT(skb->data, skb->len); + dev->last_rx = jiffies; + skb->dev = dev; + skb->protocol = eth_type_trans(skb, dev); + netif_rx(skb); + lp->stats.rx_packets++; + lp->stats.rx_bytes += skb->len; + + spin_lock_irqsave(&lp->lock, flags); + pkts = (SMC_GET_RX_FIFO_INF() & RX_FIFO_INF_RXSUSED_) >> 16; + if (pkts != 0) { + smc911x_rcv(dev); + }else { + lp->rxdma_active = 0; + } + spin_unlock_irqrestore(&lp->lock, flags); + DBG(SMC_DEBUG_RX | SMC_DEBUG_DMA, + "%s: RX DMA irq completed. DMA RX FIFO PKTS %d\n", + dev->name, pkts); +} +#endif /* SMC_USE_DMA */ + +#ifdef CONFIG_NET_POLL_CONTROLLER +/* + * Polling receive - used by netconsole and other diagnostic tools + * to allow network i/o with interrupts disabled. + */ +static void smc911x_poll_controller(struct net_device *dev) +{ + disable_irq(dev->irq); + smc911x_interrupt(dev->irq, dev, NULL); + enable_irq(dev->irq); +} +#endif + +/* Our watchdog timed out. Called by the networking layer */ +static void smc911x_timeout(struct net_device *dev) +{ + struct smc911x_local *lp = netdev_priv(dev); + unsigned long ioaddr = dev->base_addr; + int status, mask; + unsigned long flags; + + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + + spin_lock_irqsave(&lp->lock, flags); + status = SMC_GET_INT(); + mask = SMC_GET_INT_EN(); + spin_unlock_irqrestore(&lp->lock, flags); + DBG(SMC_DEBUG_MISC, "%s: INT 0x%02x MASK 0x%02x \n", + dev->name, status, mask); + + /* Dump the current TX FIFO contents and restart */ + mask = SMC_GET_TX_CFG(); + SMC_SET_TX_CFG(mask | TX_CFG_TXS_DUMP_ | TX_CFG_TXD_DUMP_); + /* + * Reconfiguring the PHY doesn't seem like a bad idea here, but + * smc911x_phy_configure() calls msleep() which calls schedule_timeout() + * which calls schedule(). Hence we use a work queue. + */ + if (lp->phy_type != 0) { + if (schedule_work(&lp->phy_configure)) { + lp->work_pending = 1; + } + } + + /* We can accept TX packets again */ + dev->trans_start = jiffies; + netif_wake_queue(dev); +} + +/* + * This routine will, depending on the values passed to it, + * either make it accept multicast packets, go into + * promiscuous mode (for TCPDUMP and cousins) or accept + * a select set of multicast packets + */ +static void smc911x_set_multicast_list(struct net_device *dev) +{ + struct smc911x_local *lp = netdev_priv(dev); + unsigned long ioaddr = dev->base_addr; + unsigned int multicast_table[2]; + unsigned int mcr, update_multicast = 0; + unsigned long flags; + /* table for flipping the order of 5 bits */ + static const unsigned char invert5[] = + {0x00, 0x10, 0x08, 0x18, 0x04, 0x14, 0x0C, 0x1C, + 0x02, 0x12, 0x0A, 0x1A, 0x06, 0x16, 0x0E, 0x1E, + 0x01, 0x11, 0x09, 0x19, 0x05, 0x15, 0x0D, 0x1D, + 0x03, 0x13, 0x0B, 0x1B, 0x07, 0x17, 0x0F, 0x1F}; + + + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + + spin_lock_irqsave(&lp->lock, flags); + SMC_GET_MAC_CR(mcr); + spin_unlock_irqrestore(&lp->lock, flags); + + if (dev->flags & IFF_PROMISC) { + + DBG(SMC_DEBUG_MISC, "%s: RCR_PRMS\n", dev->name); + mcr |= MAC_CR_PRMS_; + } + /* + * Here, I am setting this to accept all multicast packets. + * I don't need to zero the multicast table, because the flag is + * checked before the table is + */ + else if (dev->flags & IFF_ALLMULTI || dev->mc_count > 16) { + DBG(SMC_DEBUG_MISC, "%s: RCR_ALMUL\n", dev->name); + mcr |= MAC_CR_MCPAS_; + } + + /* + * This sets the internal hardware table to filter out unwanted + * multicast packets before they take up memory. + * + * The SMC chip uses a hash table where the high 6 bits of the CRC of + * address are the offset into the table. If that bit is 1, then the + * multicast packet is accepted. Otherwise, it's dropped silently. + * + * To use the 6 bits as an offset into the table, the high 1 bit is + * the number of the 32 bit register, while the low 5 bits are the bit + * within that register. + */ + else if (dev->mc_count) { + int i; + struct dev_mc_list *cur_addr; + + /* Set the Hash perfec mode */ + mcr |= MAC_CR_HPFILT_; + + /* start with a table of all zeros: reject all */ + memset(multicast_table, 0, sizeof(multicast_table)); + + cur_addr = dev->mc_list; + for (i = 0; i < dev->mc_count; i++, cur_addr = cur_addr->next) { + int position; + + /* do we have a pointer here? */ + if (!cur_addr) + break; + /* make sure this is a multicast address - + shouldn't this be a given if we have it here ? */ + if (!(*cur_addr->dmi_addr & 1)) + continue; + + /* only use the low order bits */ + position = crc32_le(~0, cur_addr->dmi_addr, 6) & 0x3f; + + /* do some messy swapping to put the bit in the right spot */ + multicast_table[invert5[position&0x1F]&0x1] |= + (1<<invert5[(position>>1)&0x1F]); + } + + /* be sure I get rid of flags I might have set */ + mcr &= ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_); + + /* now, the table can be loaded into the chipset */ + update_multicast = 1; + } else { + DBG(SMC_DEBUG_MISC, "%s: ~(MAC_CR_PRMS_|MAC_CR_MCPAS_)\n", + dev->name); + mcr &= ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_); + + /* + * since I'm disabling all multicast entirely, I need to + * clear the multicast list + */ + memset(multicast_table, 0, sizeof(multicast_table)); + update_multicast = 1; + } + + spin_lock_irqsave(&lp->lock, flags); + SMC_SET_MAC_CR(mcr); + if (update_multicast) { + DBG(SMC_DEBUG_MISC, + "%s: update mcast hash table 0x%08x 0x%08x\n", + dev->name, multicast_table[0], multicast_table[1]); + SMC_SET_HASHL(multicast_table[0]); + SMC_SET_HASHH(multicast_table[1]); + } + spin_unlock_irqrestore(&lp->lock, flags); +} + + +/* + * Open and Initialize the board + * + * Set up everything, reset the card, etc.. + */ +static int +smc911x_open(struct net_device *dev) +{ + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + + /* + * Check that the address is valid. If its not, refuse + * to bring the device up. The user must specify an + * address using ifconfig eth0 hw ether xx:xx:xx:xx:xx:xx + */ + if (!is_valid_ether_addr(dev->dev_addr)) { + PRINTK("%s: no valid ethernet hw addr\n", __FUNCTION__); + return -EINVAL; + } + + /* reset the hardware */ + smc911x_reset(dev); + + /* Configure the PHY, initialize the link state */ + smc911x_phy_configure(dev); + + /* Turn on Tx + Rx */ + smc911x_enable(dev); + + netif_start_queue(dev); + + return 0; +} + +/* + * smc911x_close + * + * this makes the board clean up everything that it can + * and not talk to the outside world. Caused by + * an 'ifconfig ethX down' + */ +static int smc911x_close(struct net_device *dev) +{ + struct smc911x_local *lp = netdev_priv(dev); + + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + + netif_stop_queue(dev); + netif_carrier_off(dev); + + /* clear everything */ + smc911x_shutdown(dev); + + if (lp->phy_type != 0) { + /* We need to ensure that no calls to + * smc911x_phy_configure are pending. + + * flush_scheduled_work() cannot be called because we + * are running with the netlink semaphore held (from + * devinet_ioctl()) and the pending work queue + * contains linkwatch_event() (scheduled by + * netif_carrier_off() above). linkwatch_event() also + * wants the netlink semaphore. + */ + while (lp->work_pending) + schedule(); + smc911x_phy_powerdown(dev, lp->mii.phy_id); + } + + if (lp->pending_tx_skb) { + dev_kfree_skb(lp->pending_tx_skb); + lp->pending_tx_skb = NULL; + } + + return 0; +} + +/* + * Get the current statistics. + * This may be called with the card open or closed. + */ +static struct net_device_stats *smc911x_query_statistics(struct net_device *dev) +{ + struct smc911x_local *lp = netdev_priv(dev); + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + + + return &lp->stats; +} + +/* + * Ethtool support + */ +static int +smc911x_ethtool_getsettings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct smc911x_local *lp = netdev_priv(dev); + unsigned long ioaddr = dev->base_addr; + int ret, status; + unsigned long flags; + + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + cmd->maxtxpkt = 1; + cmd->maxrxpkt = 1; + + if (lp->phy_type != 0) { + spin_lock_irqsave(&lp->lock, flags); + ret = mii_ethtool_gset(&lp->mii, cmd); + spin_unlock_irqrestore(&lp->lock, flags); + } else { + cmd->supported = SUPPORTED_10baseT_Half | + SUPPORTED_10baseT_Full | + SUPPORTED_TP | SUPPORTED_AUI; + + if (lp->ctl_rspeed == 10) + cmd->speed = SPEED_10; + else if (lp->ctl_rspeed == 100) + cmd->speed = SPEED_100; + + cmd->autoneg = AUTONEG_DISABLE; + if (lp->mii.phy_id==1) + cmd->transceiver = XCVR_INTERNAL; + else + cmd->transceiver = XCVR_EXTERNAL; + cmd->port = 0; + SMC_GET_PHY_SPECIAL(lp->mii.phy_id, status); + cmd->duplex = + (status & (PHY_SPECIAL_SPD_10FULL_ | PHY_SPECIAL_SPD_100FULL_)) ? + DUPLEX_FULL : DUPLEX_HALF; + ret = 0; + } + + return ret; +} + +static int +smc911x_ethtool_setsettings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct smc911x_local *lp = netdev_priv(dev); + int ret; + unsigned long flags; + + if (lp->phy_type != 0) { + spin_lock_irqsave(&lp->lock, flags); + ret = mii_ethtool_sset(&lp->mii, cmd); + spin_unlock_irqrestore(&lp->lock, flags); + } else { + if (cmd->autoneg != AUTONEG_DISABLE || + cmd->speed != SPEED_10 || + (cmd->duplex != DUPLEX_HALF && cmd->duplex != DUPLEX_FULL) || + (cmd->port != PORT_TP && cmd->port != PORT_AUI)) + return -EINVAL; + + lp->ctl_rfduplx = cmd->duplex == DUPLEX_FULL; + + ret = 0; + } + + return ret; +} + +static void +smc911x_ethtool_getdrvinfo(struct net_device *dev, struct ethtool_drvinfo *info) +{ + strncpy(info->driver, CARDNAME, sizeof(info->driver)); + strncpy(info->version, version, sizeof(info->version)); + strncpy(info->bus_info, dev->class_dev.dev->bus_id, sizeof(info->bus_info)); +} + +static int smc911x_ethtool_nwayreset(struct net_device *dev) +{ + struct smc911x_local *lp = netdev_priv(dev); + int ret = -EINVAL; + unsigned long flags; + + if (lp->phy_type != 0) { + spin_lock_irqsave(&lp->lock, flags); + ret = mii_nway_restart(&lp->mii); + spin_unlock_irqrestore(&lp->lock, flags); + } + + return ret; +} + +static u32 smc911x_ethtool_getmsglevel(struct net_device *dev) +{ + struct smc911x_local *lp = netdev_priv(dev); + return lp->msg_enable; +} + +static void smc911x_ethtool_setmsglevel(struct net_device *dev, u32 level) +{ + struct smc911x_local *lp = netdev_priv(dev); + lp->msg_enable = level; +} + +static int smc911x_ethtool_getregslen(struct net_device *dev) +{ + /* System regs + MAC regs + PHY regs */ + return (((E2P_CMD - ID_REV)/4 + 1) + + (WUCSR - MAC_CR)+1 + 32) * sizeof(u32); +} + +static void smc911x_ethtool_getregs(struct net_device *dev, + struct ethtool_regs* regs, void *buf) +{ + unsigned long ioaddr = dev->base_addr; + struct smc911x_local *lp = netdev_priv(dev); + unsigned long flags; + u32 reg,i,j=0; + u32 *data = (u32*)buf; + + regs->version = lp->version; + for(i=ID_REV;i<=E2P_CMD;i+=4) { + data[j++] = SMC_inl(ioaddr,i); + } + for(i=MAC_CR;i<=WUCSR;i++) { + spin_lock_irqsave(&lp->lock, flags); + SMC_GET_MAC_CSR(i, reg); + spin_unlock_irqrestore(&lp->lock, flags); + data[j++] = reg; + } + for(i=0;i<=31;i++) { + spin_lock_irqsave(&lp->lock, flags); + SMC_GET_MII(i, lp->mii.phy_id, reg); + spin_unlock_irqrestore(&lp->lock, flags); + data[j++] = reg & 0xFFFF; + } +} + +static int smc911x_ethtool_wait_eeprom_ready(struct net_device *dev) +{ + unsigned long ioaddr = dev->base_addr; + unsigned int timeout; + int e2p_cmd; + + e2p_cmd = SMC_GET_E2P_CMD(); + for(timeout=10;(e2p_cmd & E2P_CMD_EPC_BUSY_) && timeout; timeout--) { + if (e2p_cmd & E2P_CMD_EPC_TIMEOUT_) { + PRINTK("%s: %s timeout waiting for EEPROM to respond\n", + dev->name, __FUNCTION__); + return -EFAULT; + } + mdelay(1); + e2p_cmd = SMC_GET_E2P_CMD(); + } + if (timeout == 0) { + PRINTK("%s: %s timeout waiting for EEPROM CMD not busy\n", + dev->name, __FUNCTION__); + return -ETIMEDOUT; + } + return 0; +} + +static inline int smc911x_ethtool_write_eeprom_cmd(struct net_device *dev, + int cmd, int addr) +{ + unsigned long ioaddr = dev->base_addr; + int ret; + + if ((ret = smc911x_ethtool_wait_eeprom_ready(dev))!=0) + return ret; + SMC_SET_E2P_CMD(E2P_CMD_EPC_BUSY_ | + ((cmd) & (0x7<<28)) | + ((addr) & 0xFF)); + return 0; +} + +static inline int smc911x_ethtool_read_eeprom_byte(struct net_device *dev, + u8 *data) +{ + unsigned long ioaddr = dev->base_addr; + int ret; + + if ((ret = smc911x_ethtool_wait_eeprom_ready(dev))!=0) + return ret; + *data = SMC_GET_E2P_DATA(); + return 0; +} + +static inline int smc911x_ethtool_write_eeprom_byte(struct net_device *dev, + u8 data) +{ + unsigned long ioaddr = dev->base_addr; + int ret; + + if ((ret = smc911x_ethtool_wait_eeprom_ready(dev))!=0) + return ret; + SMC_SET_E2P_DATA(data); + return 0; +} + +static int smc911x_ethtool_geteeprom(struct net_device *dev, + struct ethtool_eeprom *eeprom, u8 *data) +{ + u8 eebuf[SMC911X_EEPROM_LEN]; + int i, ret; + + for(i=0;i<SMC911X_EEPROM_LEN;i++) { + if ((ret=smc911x_ethtool_write_eeprom_cmd(dev, E2P_CMD_EPC_CMD_READ_, i ))!=0) + return ret; + if ((ret=smc911x_ethtool_read_eeprom_byte(dev, &eebuf[i]))!=0) + return ret; + } + memcpy(data, eebuf+eeprom->offset, eeprom->len); + return 0; +} + +static int smc911x_ethtool_seteeprom(struct net_device *dev, + struct ethtool_eeprom *eeprom, u8 *data) +{ + int i, ret; + + /* Enable erase */ + if ((ret=smc911x_ethtool_write_eeprom_cmd(dev, E2P_CMD_EPC_CMD_EWEN_, 0 ))!=0) + return ret; + for(i=eeprom->offset;i<(eeprom->offset+eeprom->len);i++) { + /* erase byte */ + if ((ret=smc911x_ethtool_write_eeprom_cmd(dev, E2P_CMD_EPC_CMD_ERASE_, i ))!=0) + return ret; + /* write byte */ + if ((ret=smc911x_ethtool_write_eeprom_byte(dev, *data))!=0) + return ret; + if ((ret=smc911x_ethtool_write_eeprom_cmd(dev, E2P_CMD_EPC_CMD_WRITE_, i ))!=0) + return ret; + } + return 0; +} + +static int smc911x_ethtool_geteeprom_len(struct net_device *dev) +{ + return SMC911X_EEPROM_LEN; +} + +static struct ethtool_ops smc911x_ethtool_ops = { + .get_settings = smc911x_ethtool_getsettings, + .set_settings = smc911x_ethtool_setsettings, + .get_drvinfo = smc911x_ethtool_getdrvinfo, + .get_msglevel = smc911x_ethtool_getmsglevel, + .set_msglevel = smc911x_ethtool_setmsglevel, + .nway_reset = smc911x_ethtool_nwayreset, + .get_link = ethtool_op_get_link, + .get_regs_len = smc911x_ethtool_getregslen, + .get_regs = smc911x_ethtool_getregs, + .get_eeprom_len = smc911x_ethtool_geteeprom_len, + .get_eeprom = smc911x_ethtool_geteeprom, + .set_eeprom = smc911x_ethtool_seteeprom, +}; + +/* + * smc911x_findirq + * + * This routine has a simple purpose -- make the SMC chip generate an + * interrupt, so an auto-detect routine can detect it, and find the IRQ, + */ +static int __init smc911x_findirq(unsigned long ioaddr) +{ + int timeout = 20; + unsigned long cookie; + + DBG(SMC_DEBUG_FUNC, "--> %s\n", __FUNCTION__); + + cookie = probe_irq_on(); + + /* + * Force a SW interrupt + */ + + SMC_SET_INT_EN(INT_EN_SW_INT_EN_); + + /* + * Wait until positive that the interrupt has been generated + */ + do { + int int_status; + udelay(10); + int_status = SMC_GET_INT_EN(); + if (int_status & INT_EN_SW_INT_EN_) + break; /* got the interrupt */ + } while (--timeout); + + /* + * there is really nothing that I can do here if timeout fails, + * as autoirq_report will return a 0 anyway, which is what I + * want in this case. Plus, the clean up is needed in both + * cases. + */ + + /* and disable all interrupts again */ + SMC_SET_INT_EN(0); + + /* and return what I found */ + return probe_irq_off(cookie); +} + +/* + * Function: smc911x_probe(unsigned long ioaddr) + * + * Purpose: + * Tests to see if a given ioaddr points to an SMC911x chip. + * Returns a 0 on success + * + * Algorithm: + * (1) see if the endian word is OK + * (1) see if I recognize the chip ID in the appropriate register + * + * Here I do typical initialization tasks. + * + * o Initialize the structure if needed + * o print out my vanity message if not done so already + * o print out what type of hardware is detected + * o print out the ethernet address + * o find the IRQ + * o set up my private data + * o configure the dev structure with my subroutines + * o actually GRAB the irq. + * o GRAB the region + */ +static int __init smc911x_probe(struct net_device *dev, unsigned long ioaddr) +{ + struct smc911x_local *lp = netdev_priv(dev); + int i, retval; + unsigned int val, chip_id, revision; + const char *version_string; + + DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); + + /* First, see if the endian word is recognized */ + val = SMC_GET_BYTE_TEST(); + DBG(SMC_DEBUG_MISC, "%s: endian probe returned 0x%04x\n", CARDNAME, val); + if (val != 0x87654321) { + printk(KERN_ERR "Invalid chip endian 0x08%x\n",val); + retval = -ENODEV; + goto err_out; + } + + /* + * check if the revision register is something that I + * recognize. These might need to be added to later, + * as future revisions could be added. + */ + chip_id = SMC_GET_PN(); + DBG(SMC_DEBUG_MISC, "%s: id probe returned 0x%04x\n", CARDNAME, chip_id); + for(i=0;chip_ids[i].id != 0; i++) { + if (chip_ids[i].id == chip_id) break; + } + if (!chip_ids[i].id) { + printk(KERN_ERR "Unknown chip ID %04x\n", chip_id); + retval = -ENODEV; + goto err_out; + } + version_string = chip_ids[i].name; + + revision = SMC_GET_REV(); + DBG(SMC_DEBUG_MISC, "%s: revision = 0x%04x\n", CARDNAME, revision); + + /* At this point I'll assume that the chip is an SMC911x. */ + DBG(SMC_DEBUG_MISC, "%s: Found a %s\n", CARDNAME, chip_ids[i].name); + + /* Validate the TX FIFO size requested */ + if ((tx_fifo_kb < 2) || (tx_fifo_kb > 14)) { + printk(KERN_ERR "Invalid TX FIFO size requested %d\n", tx_fifo_kb); + retval = -EINVAL; + goto err_out; + } + + /* fill in some of the fields */ + dev->base_addr = ioaddr; + lp->version = chip_ids[i].id; + lp->revision = revision; + lp->tx_fifo_kb = tx_fifo_kb; + /* Reverse calculate the RX FIFO size from the TX */ + lp->tx_fifo_size=(lp->tx_fifo_kb<<10) - 512; + lp->rx_fifo_size= ((0x4000 - 512 - lp->tx_fifo_size) / 16) * 15; + + /* Set the automatic flow control values */ + switch(lp->tx_fifo_kb) { + /* + * AFC_HI is about ((Rx Data Fifo Size)*2/3)/64 + * AFC_LO is AFC_HI/2 + * BACK_DUR is about 5uS*(AFC_LO) rounded down + */ + case 2:/* 13440 Rx Data Fifo Size */ + lp->afc_cfg=0x008C46AF;break; + case 3:/* 12480 Rx Data Fifo Size */ + lp->afc_cfg=0x0082419F;break; + case 4:/* 11520 Rx Data Fifo Size */ + lp->afc_cfg=0x00783C9F;break; + case 5:/* 10560 Rx Data Fifo Size */ + lp->afc_cfg=0x006E374F;break; + case 6:/* 9600 Rx Data Fifo Size */ + lp->afc_cfg=0x0064328F;break; + case 7:/* 8640 Rx Data Fifo Size */ + lp->afc_cfg=0x005A2D7F;break; + case 8:/* 7680 Rx Data Fifo Size */ + lp->afc_cfg=0x0050287F;break; + case 9:/* 6720 Rx Data Fifo Size */ + lp->afc_cfg=0x0046236F;break; + case 10:/* 5760 Rx Data Fifo Size */ + lp->afc_cfg=0x003C1E6F;break; + case 11:/* 4800 Rx Data Fifo Size */ + lp->afc_cfg=0x0032195F;break; + /* + * AFC_HI is ~1520 bytes less than RX Data Fifo Size + * AFC_LO is AFC_HI/2 + * BACK_DUR is about 5uS*(AFC_LO) rounded down + */ + case 12:/* 3840 Rx Data Fifo Size */ + lp->afc_cfg=0x0024124F;break; + case 13:/* 2880 Rx Data Fifo Size */ + lp->afc_cfg=0x0015073F;break; + case 14:/* 1920 Rx Data Fifo Size */ + lp->afc_cfg=0x0006032F;break; + default: + PRINTK("%s: ERROR -- no AFC_CFG setting found", + dev->name); + break; + } + + DBG(SMC_DEBUG_MISC | SMC_DEBUG_TX | SMC_DEBUG_RX, + "%s: tx_fifo %d rx_fifo %d afc_cfg 0x%08x\n", CARDNAME, + lp->tx_fifo_size, lp->rx_fifo_size, lp->afc_cfg); + + spin_lock_init(&lp->lock); + + /* Get the MAC address */ + SMC_GET_MAC_ADDR(dev->dev_addr); + + /* now, reset the chip, and put it into a known state */ + smc911x_reset(dev); + + /* + * If dev->irq is 0, then the device has to be banged on to see + * what the IRQ is. + * + * Specifying an IRQ is done with the assumption that the user knows + * what (s)he is doing. No checking is done!!!! + */ + if (dev->irq < 1) { + int trials; + + trials = 3; + while (trials--) { + dev->irq = smc911x_findirq(ioaddr); + if (dev->irq) + break; + /* kick the card and try again */ + smc911x_reset(dev); + } + } + if (dev->irq == 0) { + printk("%s: Couldn't autodetect your IRQ. Use irq=xx.\n", + dev->name); + retval = -ENODEV; + goto err_out; + } + dev->irq = irq_canonicalize(dev->irq); + + /* Fill in the fields of the device structure with ethernet values. */ + ether_setup(dev); + + dev->open = smc911x_open; + dev->stop = smc911x_close; + dev->hard_start_xmit = smc911x_hard_start_xmit; + dev->tx_timeout = smc911x_timeout; + dev->watchdog_timeo = msecs_to_jiffies(watchdog); + dev->get_stats = smc911x_query_statistics; + dev->set_multicast_list = smc911x_set_multicast_list; + dev->ethtool_ops = &smc911x_ethtool_ops; +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = smc911x_poll_controller; +#endif + + INIT_WORK(&lp->phy_configure, smc911x_phy_configure, dev); + lp->mii.phy_id_mask = 0x1f; + lp->mii.reg_num_mask = 0x1f; + lp->mii.force_media = 0; + lp->mii.full_duplex = 0; + lp->mii.dev = dev; + lp->mii.mdio_read = smc911x_phy_read; + lp->mii.mdio_write = smc911x_phy_write; + + /* + * Locate the phy, if any. + */ + smc911x_phy_detect(dev); + + /* Set default parameters */ + lp->msg_enable = NETIF_MSG_LINK; + lp->ctl_rfduplx = 1; + lp->ctl_rspeed = 100; + + /* Grab the IRQ */ + retval = request_irq(dev->irq, &smc911x_interrupt, SA_SHIRQ, dev->name, dev); + if (retval) + goto err_out; + + set_irq_type(dev->irq, IRQT_FALLING); + +#ifdef SMC_USE_DMA + lp->rxdma = SMC_DMA_REQUEST(dev, smc911x_rx_dma_irq); + lp->txdma = SMC_DMA_REQUEST(dev, smc911x_tx_dma_irq); + lp->rxdma_active = 0; + lp->txdma_active = 0; + dev->dma = lp->rxdma; +#endif + + retval = register_netdev(dev); + if (retval == 0) { + /* now, print out the card info, in a short format.. */ + printk("%s: %s (rev %d) at %#lx IRQ %d", + dev->name, version_string, lp->revision, + dev->base_addr, dev->irq); + +#ifdef SMC_USE_DMA + if (lp->rxdma != -1) + printk(" RXDMA %d ", lp->rxdma); + + if (lp->txdma != -1) + printk("TXDMA %d", lp->txdma); +#endif + printk("\n"); + if (!is_valid_ether_addr(dev->dev_addr)) { + printk("%s: Invalid ethernet MAC address. Please " + "set using ifconfig\n", dev->name); + } else { + /* Print the Ethernet address */ + printk("%s: Ethernet addr: ", dev->name); + for (i = 0; i < 5; i++) + printk("%2.2x:", dev->dev_addr[i]); + printk("%2.2x\n", dev->dev_addr[5]); + } + + if (lp->phy_type == 0) { + PRINTK("%s: No PHY found\n", dev->name); + } else if ((lp->phy_type & ~0xff) == LAN911X_INTERNAL_PHY_ID) { + PRINTK("%s: LAN911x Internal PHY\n", dev->name); + } else { + PRINTK("%s: External PHY 0x%08x\n", dev->name, lp->phy_type); + } + } + +err_out: +#ifdef SMC_USE_DMA + if (retval) { + if (lp->rxdma != -1) { + SMC_DMA_FREE(dev, lp->rxdma); + } + if (lp->txdma != -1) { + SMC_DMA_FREE(dev, lp->txdma); + } + } +#endif + return retval; +} + +/* + * smc911x_init(void) + * + * Output: + * 0 --> there is a device + * anything else, error + */ +static int smc911x_drv_probe(struct platform_device *pdev) +{ + struct net_device *ndev; + struct resource *res; + unsigned int *addr; + int ret; + + DBG(SMC_DEBUG_FUNC, "--> %s\n", __FUNCTION__); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + ret = -ENODEV; + goto out; + } + + /* + * Request the regions. + */ + if (!request_mem_region(res->start, SMC911X_IO_EXTENT, CARDNAME)) { + ret = -EBUSY; + goto out; + } + + ndev = alloc_etherdev(sizeof(struct smc911x_local)); + if (!ndev) { + printk("%s: could not allocate device.\n", CARDNAME); + ret = -ENOMEM; + goto release_1; + } + SET_MODULE_OWNER(ndev); + SET_NETDEV_DEV(ndev, &pdev->dev); + + ndev->dma = (unsigned char)-1; + ndev->irq = platform_get_irq(pdev, 0); + + addr = ioremap(res->start, SMC911X_IO_EXTENT); + if (!addr) { + ret = -ENOMEM; + goto release_both; + } + + platform_set_drvdata(pdev, ndev); + ret = smc911x_probe(ndev, (unsigned long)addr); + if (ret != 0) { + platform_set_drvdata(pdev, NULL); + iounmap(addr); +release_both: + free_netdev(ndev); +release_1: + release_mem_region(res->start, SMC911X_IO_EXTENT); +out: + printk("%s: not found (%d).\n", CARDNAME, ret); + } +#ifdef SMC_USE_DMA + else { + struct smc911x_local *lp = netdev_priv(ndev); + lp->physaddr = res->start; + lp->dev = &pdev->dev; + } +#endif + + return ret; +} + +static int smc911x_drv_remove(struct platform_device *pdev) +{ + struct net_device *ndev = platform_get_drvdata(pdev); + struct resource *res; + + DBG(SMC_DEBUG_FUNC, "--> %s\n", __FUNCTION__); + platform_set_drvdata(pdev, NULL); + + unregister_netdev(ndev); + + free_irq(ndev->irq, ndev); + +#ifdef SMC_USE_DMA + { + struct smc911x_local *lp = netdev_priv(ndev); + if (lp->rxdma != -1) { + SMC_DMA_FREE(dev, lp->rxdma); + } + if (lp->txdma != -1) { + SMC_DMA_FREE(dev, lp->txdma); + } + } +#endif + iounmap((void *)ndev->base_addr); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + release_mem_region(res->start, SMC911X_IO_EXTENT); + + free_netdev(ndev); + return 0; +} + +static int smc911x_drv_suspend(struct platform_device *dev, pm_message_t state) +{ + struct net_device *ndev = platform_get_drvdata(dev); + unsigned long ioaddr = ndev->base_addr; + + DBG(SMC_DEBUG_FUNC, "--> %s\n", __FUNCTION__); + if (ndev) { + if (netif_running(ndev)) { + netif_device_detach(ndev); + smc911x_shutdown(ndev); +#if POWER_DOWN + /* Set D2 - Energy detect only setting */ + SMC_SET_PMT_CTRL(2<<12); +#endif + } + } + return 0; +} + +static int smc911x_drv_resume(struct platform_device *dev) +{ + struct net_device *ndev = platform_get_drvdata(dev); + + DBG(SMC_DEBUG_FUNC, "--> %s\n", __FUNCTION__); + if (ndev) { + struct smc911x_local *lp = netdev_priv(ndev); + + if (netif_running(ndev)) { + smc911x_reset(ndev); + smc911x_enable(ndev); + if (lp->phy_type != 0) + smc911x_phy_configure(ndev); + netif_device_attach(ndev); + } + } + return 0; +} + +static struct platform_driver smc911x_driver = { + .probe = smc911x_drv_probe, + .remove = smc911x_drv_remove, + .suspend = smc911x_drv_suspend, + .resume = smc911x_drv_resume, + .driver = { + .name = CARDNAME, + }, +}; + +static int __init smc911x_init(void) +{ + return platform_driver_register(&smc911x_driver); +} + +static void __exit smc911x_cleanup(void) +{ + platform_driver_unregister(&smc911x_driver); +} + +module_init(smc911x_init); +module_exit(smc911x_cleanup); diff --git a/drivers/net/smc911x.h b/drivers/net/smc911x.h new file mode 100644 index 000000000000..962a710459fc --- /dev/null +++ b/drivers/net/smc911x.h @@ -0,0 +1,835 @@ +/*------------------------------------------------------------------------ + . smc911x.h - macros for SMSC's LAN911{5,6,7,8} single-chip Ethernet device. + . + . Copyright (C) 2005 Sensoria Corp. + . Derived from the unified SMC91x driver by Nicolas Pitre + . + . This program is free software; you can redistribute it and/or modify + . it under the terms of the GNU General Public License as published by + . the Free Software Foundation; either version 2 of the License, or + . (at your option) any later version. + . + . This program is distributed in the hope that it will be useful, + . but WITHOUT ANY WARRANTY; without even the implied warranty of + . MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + . GNU General Public License for more details. + . + . You should have received a copy of the GNU General Public License + . along with this program; if not, write to the Free Software + . Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + . + . Information contained in this file was obtained from the LAN9118 + . manual from SMC. To get a copy, if you really want one, you can find + . information under www.smsc.com. + . + . Authors + . Dustin McIntire <dustin@sensoria.com> + . + ---------------------------------------------------------------------------*/ +#ifndef _SMC911X_H_ +#define _SMC911X_H_ + +/* + * Use the DMA feature on PXA chips + */ +#ifdef CONFIG_ARCH_PXA + #define SMC_USE_PXA_DMA 1 + #define SMC_USE_16BIT 0 + #define SMC_USE_32BIT 1 +#endif + + +/* + * Define the bus width specific IO macros + */ + +#if SMC_USE_16BIT +#define SMC_inb(a, r) readb((a) + (r)) +#define SMC_inw(a, r) readw((a) + (r)) +#define SMC_inl(a, r) ((SMC_inw(a, r) & 0xFFFF)+(SMC_inw(a+2, r)<<16)) +#define SMC_outb(v, a, r) writeb(v, (a) + (r)) +#define SMC_outw(v, a, r) writew(v, (a) + (r)) +#define SMC_outl(v, a, r) \ + do{ \ + writel(v & 0xFFFF, (a) + (r)); \ + writel(v >> 16, (a) + (r) + 2); \ + } while (0) +#define SMC_insl(a, r, p, l) readsw((short*)((a) + (r)), p, l*2) +#define SMC_outsl(a, r, p, l) writesw((short*)((a) + (r)), p, l*2) + +#elif SMC_USE_32BIT +#define SMC_inb(a, r) readb((a) + (r)) +#define SMC_inw(a, r) readw((a) + (r)) +#define SMC_inl(a, r) readl((a) + (r)) +#define SMC_outb(v, a, r) writeb(v, (a) + (r)) +#define SMC_outl(v, a, r) writel(v, (a) + (r)) +#define SMC_insl(a, r, p, l) readsl((int*)((a) + (r)), p, l) +#define SMC_outsl(a, r, p, l) writesl((int*)((a) + (r)), p, l) + +#endif /* SMC_USE_16BIT */ + + + +#if SMC_USE_PXA_DMA +#define SMC_USE_DMA + +/* + * Define the request and free functions + * These are unfortunately architecture specific as no generic allocation + * mechanism exits + */ +#define SMC_DMA_REQUEST(dev, handler) \ + pxa_request_dma(dev->name, DMA_PRIO_LOW, handler, dev) + +#define SMC_DMA_FREE(dev, dma) \ + pxa_free_dma(dma) + +#define SMC_DMA_ACK_IRQ(dev, dma) \ +{ \ + if (DCSR(dma) & DCSR_BUSERR) { \ + printk("%s: DMA %d bus error!\n", dev->name, dma); \ + } \ + DCSR(dma) = DCSR_STARTINTR|DCSR_ENDINTR|DCSR_BUSERR; \ +} + +/* + * Use a DMA for RX and TX packets. + */ +#include <linux/dma-mapping.h> +#include <asm/dma.h> +#include <asm/arch/pxa-regs.h> + +static dma_addr_t rx_dmabuf, tx_dmabuf; +static int rx_dmalen, tx_dmalen; + +#ifdef SMC_insl +#undef SMC_insl +#define SMC_insl(a, r, p, l) \ + smc_pxa_dma_insl(lp->dev, a, lp->physaddr, r, lp->rxdma, p, l) + +static inline void +smc_pxa_dma_insl(struct device *dev, u_long ioaddr, u_long physaddr, + int reg, int dma, u_char *buf, int len) +{ + /* 64 bit alignment is required for memory to memory DMA */ + if ((long)buf & 4) { + *((u32 *)buf) = SMC_inl(ioaddr, reg); + buf += 4; + len--; + } + + len *= 4; + rx_dmabuf = dma_map_single(dev, buf, len, DMA_FROM_DEVICE); + rx_dmalen = len; + DCSR(dma) = DCSR_NODESC; + DTADR(dma) = rx_dmabuf; + DSADR(dma) = physaddr + reg; + DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 | + DCMD_WIDTH4 | DCMD_ENDIRQEN | (DCMD_LENGTH & rx_dmalen)); + DCSR(dma) = DCSR_NODESC | DCSR_RUN; +} +#endif + +#ifdef SMC_insw +#undef SMC_insw +#define SMC_insw(a, r, p, l) \ + smc_pxa_dma_insw(lp->dev, a, lp->physaddr, r, lp->rxdma, p, l) + +static inline void +smc_pxa_dma_insw(struct device *dev, u_long ioaddr, u_long physaddr, + int reg, int dma, u_char *buf, int len) +{ + /* 64 bit alignment is required for memory to memory DMA */ + while ((long)buf & 6) { + *((u16 *)buf) = SMC_inw(ioaddr, reg); + buf += 2; + len--; + } + + len *= 2; + rx_dmabuf = dma_map_single(dev, buf, len, DMA_FROM_DEVICE); + rx_dmalen = len; + DCSR(dma) = DCSR_NODESC; + DTADR(dma) = rx_dmabuf; + DSADR(dma) = physaddr + reg; + DCMD(dma) = (DCMD_INCTRGADDR | DCMD_BURST32 | + DCMD_WIDTH2 | DCMD_ENDIRQEN | (DCMD_LENGTH & rx_dmalen)); + DCSR(dma) = DCSR_NODESC | DCSR_RUN; +} +#endif + +#ifdef SMC_outsl +#undef SMC_outsl +#define SMC_outsl(a, r, p, l) \ + smc_pxa_dma_outsl(lp->dev, a, lp->physaddr, r, lp->txdma, p, l) + +static inline void +smc_pxa_dma_outsl(struct device *dev, u_long ioaddr, u_long physaddr, + int reg, int dma, u_char *buf, int len) +{ + /* 64 bit alignment is required for memory to memory DMA */ + if ((long)buf & 4) { + SMC_outl(*((u32 *)buf), ioaddr, reg); + buf += 4; + len--; + } + + len *= 4; + tx_dmabuf = dma_map_single(dev, buf, len, DMA_TO_DEVICE); + tx_dmalen = len; + DCSR(dma) = DCSR_NODESC; + DSADR(dma) = tx_dmabuf; + DTADR(dma) = physaddr + reg; + DCMD(dma) = (DCMD_INCSRCADDR | DCMD_BURST32 | + DCMD_WIDTH4 | DCMD_ENDIRQEN | (DCMD_LENGTH & tx_dmalen)); + DCSR(dma) = DCSR_NODESC | DCSR_RUN; +} +#endif + +#ifdef SMC_outsw +#undef SMC_outsw +#define SMC_outsw(a, r, p, l) \ + smc_pxa_dma_outsw(lp->dev, a, lp->physaddr, r, lp->txdma, p, l) + +static inline void +smc_pxa_dma_outsw(struct device *dev, u_long ioaddr, u_long physaddr, + int reg, int dma, u_char *buf, int len) +{ + /* 64 bit alignment is required for memory to memory DMA */ + while ((long)buf & 6) { + SMC_outw(*((u16 *)buf), ioaddr, reg); + buf += 2; + len--; + } + + len *= 2; + tx_dmabuf = dma_map_single(dev, buf, len, DMA_TO_DEVICE); + tx_dmalen = len; + DCSR(dma) = DCSR_NODESC; + DSADR(dma) = tx_dmabuf; + DTADR(dma) = physaddr + reg; + DCMD(dma) = (DCMD_INCSRCADDR | DCMD_BURST32 | + DCMD_WIDTH2 | DCMD_ENDIRQEN | (DCMD_LENGTH & tx_dmalen)); + DCSR(dma) = DCSR_NODESC | DCSR_RUN; +} +#endif + +#endif /* SMC_USE_PXA_DMA */ + + +/* Chip Parameters and Register Definitions */ + +#define SMC911X_TX_FIFO_LOW_THRESHOLD (1536*2) + +#define SMC911X_IO_EXTENT 0x100 + +#define SMC911X_EEPROM_LEN 7 + +/* Below are the register offsets and bit definitions + * of the Lan911x memory space + */ +#define RX_DATA_FIFO (0x00) + +#define TX_DATA_FIFO (0x20) +#define TX_CMD_A_INT_ON_COMP_ (0x80000000) +#define TX_CMD_A_INT_BUF_END_ALGN_ (0x03000000) +#define TX_CMD_A_INT_4_BYTE_ALGN_ (0x00000000) +#define TX_CMD_A_INT_16_BYTE_ALGN_ (0x01000000) +#define TX_CMD_A_INT_32_BYTE_ALGN_ (0x02000000) +#define TX_CMD_A_INT_DATA_OFFSET_ (0x001F0000) +#define TX_CMD_A_INT_FIRST_SEG_ (0x00002000) +#define TX_CMD_A_INT_LAST_SEG_ (0x00001000) +#define TX_CMD_A_BUF_SIZE_ (0x000007FF) +#define TX_CMD_B_PKT_TAG_ (0xFFFF0000) +#define TX_CMD_B_ADD_CRC_DISABLE_ (0x00002000) +#define TX_CMD_B_DISABLE_PADDING_ (0x00001000) +#define TX_CMD_B_PKT_BYTE_LENGTH_ (0x000007FF) + +#define RX_STATUS_FIFO (0x40) +#define RX_STS_PKT_LEN_ (0x3FFF0000) +#define RX_STS_ES_ (0x00008000) +#define RX_STS_BCST_ (0x00002000) +#define RX_STS_LEN_ERR_ (0x00001000) +#define RX_STS_RUNT_ERR_ (0x00000800) +#define RX_STS_MCAST_ (0x00000400) +#define RX_STS_TOO_LONG_ (0x00000080) +#define RX_STS_COLL_ (0x00000040) +#define RX_STS_ETH_TYPE_ (0x00000020) +#define RX_STS_WDOG_TMT_ (0x00000010) +#define RX_STS_MII_ERR_ (0x00000008) +#define RX_STS_DRIBBLING_ (0x00000004) +#define RX_STS_CRC_ERR_ (0x00000002) +#define RX_STATUS_FIFO_PEEK (0x44) +#define TX_STATUS_FIFO (0x48) +#define TX_STS_TAG_ (0xFFFF0000) +#define TX_STS_ES_ (0x00008000) +#define TX_STS_LOC_ (0x00000800) +#define TX_STS_NO_CARR_ (0x00000400) +#define TX_STS_LATE_COLL_ (0x00000200) +#define TX_STS_MANY_COLL_ (0x00000100) +#define TX_STS_COLL_CNT_ (0x00000078) +#define TX_STS_MANY_DEFER_ (0x00000004) +#define TX_STS_UNDERRUN_ (0x00000002) +#define TX_STS_DEFERRED_ (0x00000001) +#define TX_STATUS_FIFO_PEEK (0x4C) +#define ID_REV (0x50) +#define ID_REV_CHIP_ID_ (0xFFFF0000) /* RO */ +#define ID_REV_REV_ID_ (0x0000FFFF) /* RO */ + +#define INT_CFG (0x54) +#define INT_CFG_INT_DEAS_ (0xFF000000) /* R/W */ +#define INT_CFG_INT_DEAS_CLR_ (0x00004000) +#define INT_CFG_INT_DEAS_STS_ (0x00002000) +#define INT_CFG_IRQ_INT_ (0x00001000) /* RO */ +#define INT_CFG_IRQ_EN_ (0x00000100) /* R/W */ +#define INT_CFG_IRQ_POL_ (0x00000010) /* R/W Not Affected by SW Reset */ +#define INT_CFG_IRQ_TYPE_ (0x00000001) /* R/W Not Affected by SW Reset */ + +#define INT_STS (0x58) +#define INT_STS_SW_INT_ (0x80000000) /* R/WC */ +#define INT_STS_TXSTOP_INT_ (0x02000000) /* R/WC */ +#define INT_STS_RXSTOP_INT_ (0x01000000) /* R/WC */ +#define INT_STS_RXDFH_INT_ (0x00800000) /* R/WC */ +#define INT_STS_RXDF_INT_ (0x00400000) /* R/WC */ +#define INT_STS_TX_IOC_ (0x00200000) /* R/WC */ +#define INT_STS_RXD_INT_ (0x00100000) /* R/WC */ +#define INT_STS_GPT_INT_ (0x00080000) /* R/WC */ +#define INT_STS_PHY_INT_ (0x00040000) /* RO */ +#define INT_STS_PME_INT_ (0x00020000) /* R/WC */ +#define INT_STS_TXSO_ (0x00010000) /* R/WC */ +#define INT_STS_RWT_ (0x00008000) /* R/WC */ +#define INT_STS_RXE_ (0x00004000) /* R/WC */ +#define INT_STS_TXE_ (0x00002000) /* R/WC */ +//#define INT_STS_ERX_ (0x00001000) /* R/WC */ +#define INT_STS_TDFU_ (0x00000800) /* R/WC */ +#define INT_STS_TDFO_ (0x00000400) /* R/WC */ +#define INT_STS_TDFA_ (0x00000200) /* R/WC */ +#define INT_STS_TSFF_ (0x00000100) /* R/WC */ +#define INT_STS_TSFL_ (0x00000080) /* R/WC */ +//#define INT_STS_RXDF_ (0x00000040) /* R/WC */ +#define INT_STS_RDFO_ (0x00000040) /* R/WC */ +#define INT_STS_RDFL_ (0x00000020) /* R/WC */ +#define INT_STS_RSFF_ (0x00000010) /* R/WC */ +#define INT_STS_RSFL_ (0x00000008) /* R/WC */ +#define INT_STS_GPIO2_INT_ (0x00000004) /* R/WC */ +#define INT_STS_GPIO1_INT_ (0x00000002) /* R/WC */ +#define INT_STS_GPIO0_INT_ (0x00000001) /* R/WC */ + +#define INT_EN (0x5C) +#define INT_EN_SW_INT_EN_ (0x80000000) /* R/W */ +#define INT_EN_TXSTOP_INT_EN_ (0x02000000) /* R/W */ +#define INT_EN_RXSTOP_INT_EN_ (0x01000000) /* R/W */ +#define INT_EN_RXDFH_INT_EN_ (0x00800000) /* R/W */ +//#define INT_EN_RXDF_INT_EN_ (0x00400000) /* R/W */ +#define INT_EN_TIOC_INT_EN_ (0x00200000) /* R/W */ +#define INT_EN_RXD_INT_EN_ (0x00100000) /* R/W */ +#define INT_EN_GPT_INT_EN_ (0x00080000) /* R/W */ +#define INT_EN_PHY_INT_EN_ (0x00040000) /* R/W */ +#define INT_EN_PME_INT_EN_ (0x00020000) /* R/W */ +#define INT_EN_TXSO_EN_ (0x00010000) /* R/W */ +#define INT_EN_RWT_EN_ (0x00008000) /* R/W */ +#define INT_EN_RXE_EN_ (0x00004000) /* R/W */ +#define INT_EN_TXE_EN_ (0x00002000) /* R/W */ +//#define INT_EN_ERX_EN_ (0x00001000) /* R/W */ +#define INT_EN_TDFU_EN_ (0x00000800) /* R/W */ +#define INT_EN_TDFO_EN_ (0x00000400) /* R/W */ +#define INT_EN_TDFA_EN_ (0x00000200) /* R/W */ +#define INT_EN_TSFF_EN_ (0x00000100) /* R/W */ +#define INT_EN_TSFL_EN_ (0x00000080) /* R/W */ +//#define INT_EN_RXDF_EN_ (0x00000040) /* R/W */ +#define INT_EN_RDFO_EN_ (0x00000040) /* R/W */ +#define INT_EN_RDFL_EN_ (0x00000020) /* R/W */ +#define INT_EN_RSFF_EN_ (0x00000010) /* R/W */ +#define INT_EN_RSFL_EN_ (0x00000008) /* R/W */ +#define INT_EN_GPIO2_INT_ (0x00000004) /* R/W */ +#define INT_EN_GPIO1_INT_ (0x00000002) /* R/W */ +#define INT_EN_GPIO0_INT_ (0x00000001) /* R/W */ + +#define BYTE_TEST (0x64) +#define FIFO_INT (0x68) +#define FIFO_INT_TX_AVAIL_LEVEL_ (0xFF000000) /* R/W */ +#define FIFO_INT_TX_STS_LEVEL_ (0x00FF0000) /* R/W */ +#define FIFO_INT_RX_AVAIL_LEVEL_ (0x0000FF00) /* R/W */ +#define FIFO_INT_RX_STS_LEVEL_ (0x000000FF) /* R/W */ + +#define RX_CFG (0x6C) +#define RX_CFG_RX_END_ALGN_ (0xC0000000) /* R/W */ +#define RX_CFG_RX_END_ALGN4_ (0x00000000) /* R/W */ +#define RX_CFG_RX_END_ALGN16_ (0x40000000) /* R/W */ +#define RX_CFG_RX_END_ALGN32_ (0x80000000) /* R/W */ +#define RX_CFG_RX_DMA_CNT_ (0x0FFF0000) /* R/W */ +#define RX_CFG_RX_DUMP_ (0x00008000) /* R/W */ +#define RX_CFG_RXDOFF_ (0x00001F00) /* R/W */ +//#define RX_CFG_RXBAD_ (0x00000001) /* R/W */ + +#define TX_CFG (0x70) +//#define TX_CFG_TX_DMA_LVL_ (0xE0000000) /* R/W */ +//#define TX_CFG_TX_DMA_CNT_ (0x0FFF0000) /* R/W Self Clearing */ +#define TX_CFG_TXS_DUMP_ (0x00008000) /* Self Clearing */ +#define TX_CFG_TXD_DUMP_ (0x00004000) /* Self Clearing */ +#define TX_CFG_TXSAO_ (0x00000004) /* R/W */ +#define TX_CFG_TX_ON_ (0x00000002) /* R/W */ +#define TX_CFG_STOP_TX_ (0x00000001) /* Self Clearing */ + +#define HW_CFG (0x74) +#define HW_CFG_TTM_ (0x00200000) /* R/W */ +#define HW_CFG_SF_ (0x00100000) /* R/W */ +#define HW_CFG_TX_FIF_SZ_ (0x000F0000) /* R/W */ +#define HW_CFG_TR_ (0x00003000) /* R/W */ +#define HW_CFG_PHY_CLK_SEL_ (0x00000060) /* R/W */ +#define HW_CFG_PHY_CLK_SEL_INT_PHY_ (0x00000000) /* R/W */ +#define HW_CFG_PHY_CLK_SEL_EXT_PHY_ (0x00000020) /* R/W */ +#define HW_CFG_PHY_CLK_SEL_CLK_DIS_ (0x00000040) /* R/W */ +#define HW_CFG_SMI_SEL_ (0x00000010) /* R/W */ +#define HW_CFG_EXT_PHY_DET_ (0x00000008) /* RO */ +#define HW_CFG_EXT_PHY_EN_ (0x00000004) /* R/W */ +#define HW_CFG_32_16_BIT_MODE_ (0x00000004) /* RO */ +#define HW_CFG_SRST_TO_ (0x00000002) /* RO */ +#define HW_CFG_SRST_ (0x00000001) /* Self Clearing */ + +#define RX_DP_CTRL (0x78) +#define RX_DP_CTRL_RX_FFWD_ (0x80000000) /* R/W */ +#define RX_DP_CTRL_FFWD_BUSY_ (0x80000000) /* RO */ + +#define RX_FIFO_INF (0x7C) +#define RX_FIFO_INF_RXSUSED_ (0x00FF0000) /* RO */ +#define RX_FIFO_INF_RXDUSED_ (0x0000FFFF) /* RO */ + +#define TX_FIFO_INF (0x80) +#define TX_FIFO_INF_TSUSED_ (0x00FF0000) /* RO */ +#define TX_FIFO_INF_TDFREE_ (0x0000FFFF) /* RO */ + +#define PMT_CTRL (0x84) +#define PMT_CTRL_PM_MODE_ (0x00003000) /* Self Clearing */ +#define PMT_CTRL_PHY_RST_ (0x00000400) /* Self Clearing */ +#define PMT_CTRL_WOL_EN_ (0x00000200) /* R/W */ +#define PMT_CTRL_ED_EN_ (0x00000100) /* R/W */ +#define PMT_CTRL_PME_TYPE_ (0x00000040) /* R/W Not Affected by SW Reset */ +#define PMT_CTRL_WUPS_ (0x00000030) /* R/WC */ +#define PMT_CTRL_WUPS_NOWAKE_ (0x00000000) /* R/WC */ +#define PMT_CTRL_WUPS_ED_ (0x00000010) /* R/WC */ +#define PMT_CTRL_WUPS_WOL_ (0x00000020) /* R/WC */ +#define PMT_CTRL_WUPS_MULTI_ (0x00000030) /* R/WC */ +#define PMT_CTRL_PME_IND_ (0x00000008) /* R/W */ +#define PMT_CTRL_PME_POL_ (0x00000004) /* R/W */ +#define PMT_CTRL_PME_EN_ (0x00000002) /* R/W Not Affected by SW Reset */ +#define PMT_CTRL_READY_ (0x00000001) /* RO */ + +#define GPIO_CFG (0x88) +#define GPIO_CFG_LED3_EN_ (0x40000000) /* R/W */ +#define GPIO_CFG_LED2_EN_ (0x20000000) /* R/W */ +#define GPIO_CFG_LED1_EN_ (0x10000000) /* R/W */ +#define GPIO_CFG_GPIO2_INT_POL_ (0x04000000) /* R/W */ +#define GPIO_CFG_GPIO1_INT_POL_ (0x02000000) /* R/W */ +#define GPIO_CFG_GPIO0_INT_POL_ (0x01000000) /* R/W */ +#define GPIO_CFG_EEPR_EN_ (0x00700000) /* R/W */ +#define GPIO_CFG_GPIOBUF2_ (0x00040000) /* R/W */ +#define GPIO_CFG_GPIOBUF1_ (0x00020000) /* R/W */ +#define GPIO_CFG_GPIOBUF0_ (0x00010000) /* R/W */ +#define GPIO_CFG_GPIODIR2_ (0x00000400) /* R/W */ +#define GPIO_CFG_GPIODIR1_ (0x00000200) /* R/W */ +#define GPIO_CFG_GPIODIR0_ (0x00000100) /* R/W */ +#define GPIO_CFG_GPIOD4_ (0x00000010) /* R/W */ +#define GPIO_CFG_GPIOD3_ (0x00000008) /* R/W */ +#define GPIO_CFG_GPIOD2_ (0x00000004) /* R/W */ +#define GPIO_CFG_GPIOD1_ (0x00000002) /* R/W */ +#define GPIO_CFG_GPIOD0_ (0x00000001) /* R/W */ + +#define GPT_CFG (0x8C) +#define GPT_CFG_TIMER_EN_ (0x20000000) /* R/W */ +#define GPT_CFG_GPT_LOAD_ (0x0000FFFF) /* R/W */ + +#define GPT_CNT (0x90) +#define GPT_CNT_GPT_CNT_ (0x0000FFFF) /* RO */ + +#define ENDIAN (0x98) +#define FREE_RUN (0x9C) +#define RX_DROP (0xA0) +#define MAC_CSR_CMD (0xA4) +#define MAC_CSR_CMD_CSR_BUSY_ (0x80000000) /* Self Clearing */ +#define MAC_CSR_CMD_R_NOT_W_ (0x40000000) /* R/W */ +#define MAC_CSR_CMD_CSR_ADDR_ (0x000000FF) /* R/W */ + +#define MAC_CSR_DATA (0xA8) +#define AFC_CFG (0xAC) +#define AFC_CFG_AFC_HI_ (0x00FF0000) /* R/W */ +#define AFC_CFG_AFC_LO_ (0x0000FF00) /* R/W */ +#define AFC_CFG_BACK_DUR_ (0x000000F0) /* R/W */ +#define AFC_CFG_FCMULT_ (0x00000008) /* R/W */ +#define AFC_CFG_FCBRD_ (0x00000004) /* R/W */ +#define AFC_CFG_FCADD_ (0x00000002) /* R/W */ +#define AFC_CFG_FCANY_ (0x00000001) /* R/W */ + +#define E2P_CMD (0xB0) +#define E2P_CMD_EPC_BUSY_ (0x80000000) /* Self Clearing */ +#define E2P_CMD_EPC_CMD_ (0x70000000) /* R/W */ +#define E2P_CMD_EPC_CMD_READ_ (0x00000000) /* R/W */ +#define E2P_CMD_EPC_CMD_EWDS_ (0x10000000) /* R/W */ +#define E2P_CMD_EPC_CMD_EWEN_ (0x20000000) /* R/W */ +#define E2P_CMD_EPC_CMD_WRITE_ (0x30000000) /* R/W */ +#define E2P_CMD_EPC_CMD_WRAL_ (0x40000000) /* R/W */ +#define E2P_CMD_EPC_CMD_ERASE_ (0x50000000) /* R/W */ +#define E2P_CMD_EPC_CMD_ERAL_ (0x60000000) /* R/W */ +#define E2P_CMD_EPC_CMD_RELOAD_ (0x70000000) /* R/W */ +#define E2P_CMD_EPC_TIMEOUT_ (0x00000200) /* RO */ +#define E2P_CMD_MAC_ADDR_LOADED_ (0x00000100) /* RO */ +#define E2P_CMD_EPC_ADDR_ (0x000000FF) /* R/W */ + +#define E2P_DATA (0xB4) +#define E2P_DATA_EEPROM_DATA_ (0x000000FF) /* R/W */ +/* end of LAN register offsets and bit definitions */ + +/* + **************************************************************************** + **************************************************************************** + * MAC Control and Status Register (Indirect Address) + * Offset (through the MAC_CSR CMD and DATA port) + **************************************************************************** + **************************************************************************** + * + */ +#define MAC_CR (0x01) /* R/W */ + +/* MAC_CR - MAC Control Register */ +#define MAC_CR_RXALL_ (0x80000000) +// TODO: delete this bit? It is not described in the data sheet. +#define MAC_CR_HBDIS_ (0x10000000) +#define MAC_CR_RCVOWN_ (0x00800000) +#define MAC_CR_LOOPBK_ (0x00200000) +#define MAC_CR_FDPX_ (0x00100000) +#define MAC_CR_MCPAS_ (0x00080000) +#define MAC_CR_PRMS_ (0x00040000) +#define MAC_CR_INVFILT_ (0x00020000) +#define MAC_CR_PASSBAD_ (0x00010000) +#define MAC_CR_HFILT_ (0x00008000) +#define MAC_CR_HPFILT_ (0x00002000) +#define MAC_CR_LCOLL_ (0x00001000) +#define MAC_CR_BCAST_ (0x00000800) +#define MAC_CR_DISRTY_ (0x00000400) +#define MAC_CR_PADSTR_ (0x00000100) +#define MAC_CR_BOLMT_MASK_ (0x000000C0) +#define MAC_CR_DFCHK_ (0x00000020) +#define MAC_CR_TXEN_ (0x00000008) +#define MAC_CR_RXEN_ (0x00000004) + +#define ADDRH (0x02) /* R/W mask 0x0000FFFFUL */ +#define ADDRL (0x03) /* R/W mask 0xFFFFFFFFUL */ +#define HASHH (0x04) /* R/W */ +#define HASHL (0x05) /* R/W */ + +#define MII_ACC (0x06) /* R/W */ +#define MII_ACC_PHY_ADDR_ (0x0000F800) +#define MII_ACC_MIIRINDA_ (0x000007C0) +#define MII_ACC_MII_WRITE_ (0x00000002) +#define MII_ACC_MII_BUSY_ (0x00000001) + +#define MII_DATA (0x07) /* R/W mask 0x0000FFFFUL */ + +#define FLOW (0x08) /* R/W */ +#define FLOW_FCPT_ (0xFFFF0000) +#define FLOW_FCPASS_ (0x00000004) +#define FLOW_FCEN_ (0x00000002) +#define FLOW_FCBSY_ (0x00000001) + +#define VLAN1 (0x09) /* R/W mask 0x0000FFFFUL */ +#define VLAN1_VTI1_ (0x0000ffff) + +#define VLAN2 (0x0A) /* R/W mask 0x0000FFFFUL */ +#define VLAN2_VTI2_ (0x0000ffff) + +#define WUFF (0x0B) /* WO */ + +#define WUCSR (0x0C) /* R/W */ +#define WUCSR_GUE_ (0x00000200) +#define WUCSR_WUFR_ (0x00000040) +#define WUCSR_MPR_ (0x00000020) +#define WUCSR_WAKE_EN_ (0x00000004) +#define WUCSR_MPEN_ (0x00000002) + +/* + **************************************************************************** + * Chip Specific MII Defines + **************************************************************************** + * + * Phy register offsets and bit definitions + * + */ + +#define PHY_MODE_CTRL_STS ((u32)17) /* Mode Control/Status Register */ +//#define MODE_CTRL_STS_FASTRIP_ ((u16)0x4000) +#define MODE_CTRL_STS_EDPWRDOWN_ ((u16)0x2000) +//#define MODE_CTRL_STS_LOWSQEN_ ((u16)0x0800) +//#define MODE_CTRL_STS_MDPREBP_ ((u16)0x0400) +//#define MODE_CTRL_STS_FARLOOPBACK_ ((u16)0x0200) +//#define MODE_CTRL_STS_FASTEST_ ((u16)0x0100) +//#define MODE_CTRL_STS_REFCLKEN_ ((u16)0x0010) +//#define MODE_CTRL_STS_PHYADBP_ ((u16)0x0008) +//#define MODE_CTRL_STS_FORCE_G_LINK_ ((u16)0x0004) +#define MODE_CTRL_STS_ENERGYON_ ((u16)0x0002) + +#define PHY_INT_SRC ((u32)29) +#define PHY_INT_SRC_ENERGY_ON_ ((u16)0x0080) +#define PHY_INT_SRC_ANEG_COMP_ ((u16)0x0040) +#define PHY_INT_SRC_REMOTE_FAULT_ ((u16)0x0020) +#define PHY_INT_SRC_LINK_DOWN_ ((u16)0x0010) +#define PHY_INT_SRC_ANEG_LP_ACK_ ((u16)0x0008) +#define PHY_INT_SRC_PAR_DET_FAULT_ ((u16)0x0004) +#define PHY_INT_SRC_ANEG_PGRX_ ((u16)0x0002) + +#define PHY_INT_MASK ((u32)30) +#define PHY_INT_MASK_ENERGY_ON_ ((u16)0x0080) +#define PHY_INT_MASK_ANEG_COMP_ ((u16)0x0040) +#define PHY_INT_MASK_REMOTE_FAULT_ ((u16)0x0020) +#define PHY_INT_MASK_LINK_DOWN_ ((u16)0x0010) +#define PHY_INT_MASK_ANEG_LP_ACK_ ((u16)0x0008) +#define PHY_INT_MASK_PAR_DET_FAULT_ ((u16)0x0004) +#define PHY_INT_MASK_ANEG_PGRX_ ((u16)0x0002) + +#define PHY_SPECIAL ((u32)31) +#define PHY_SPECIAL_ANEG_DONE_ ((u16)0x1000) +#define PHY_SPECIAL_RES_ ((u16)0x0040) +#define PHY_SPECIAL_RES_MASK_ ((u16)0x0FE1) +#define PHY_SPECIAL_SPD_ ((u16)0x001C) +#define PHY_SPECIAL_SPD_10HALF_ ((u16)0x0004) +#define PHY_SPECIAL_SPD_10FULL_ ((u16)0x0014) +#define PHY_SPECIAL_SPD_100HALF_ ((u16)0x0008) +#define PHY_SPECIAL_SPD_100FULL_ ((u16)0x0018) + +#define LAN911X_INTERNAL_PHY_ID (0x0007C000) + +/* Chip ID values */ +#define CHIP_9115 0x115 +#define CHIP_9116 0x116 +#define CHIP_9117 0x117 +#define CHIP_9118 0x118 + +struct chip_id { + u16 id; + char *name; +}; + +static const struct chip_id chip_ids[] = { + { CHIP_9115, "LAN9115" }, + { CHIP_9116, "LAN9116" }, + { CHIP_9117, "LAN9117" }, + { CHIP_9118, "LAN9118" }, + { 0, NULL }, +}; + +#define IS_REV_A(x) ((x & 0xFFFF)==0) + +/* + * Macros to abstract register access according to the data bus + * capabilities. Please use those and not the in/out primitives. + */ +/* FIFO read/write macros */ +#define SMC_PUSH_DATA(p, l) SMC_outsl( ioaddr, TX_DATA_FIFO, p, (l) >> 2 ) +#define SMC_PULL_DATA(p, l) SMC_insl ( ioaddr, RX_DATA_FIFO, p, (l) >> 2 ) +#define SMC_SET_TX_FIFO(x) SMC_outl( x, ioaddr, TX_DATA_FIFO ) +#define SMC_GET_RX_FIFO() SMC_inl( ioaddr, RX_DATA_FIFO ) + + +/* I/O mapped register read/write macros */ +#define SMC_GET_TX_STS_FIFO() SMC_inl( ioaddr, TX_STATUS_FIFO ) +#define SMC_GET_RX_STS_FIFO() SMC_inl( ioaddr, RX_STATUS_FIFO ) +#define SMC_GET_RX_STS_FIFO_PEEK() SMC_inl( ioaddr, RX_STATUS_FIFO_PEEK ) +#define SMC_GET_PN() (SMC_inl( ioaddr, ID_REV ) >> 16) +#define SMC_GET_REV() (SMC_inl( ioaddr, ID_REV ) & 0xFFFF) +#define SMC_GET_IRQ_CFG() SMC_inl( ioaddr, INT_CFG ) +#define SMC_SET_IRQ_CFG(x) SMC_outl( x, ioaddr, INT_CFG ) +#define SMC_GET_INT() SMC_inl( ioaddr, INT_STS ) +#define SMC_ACK_INT(x) SMC_outl( x, ioaddr, INT_STS ) +#define SMC_GET_INT_EN() SMC_inl( ioaddr, INT_EN ) +#define SMC_SET_INT_EN(x) SMC_outl( x, ioaddr, INT_EN ) +#define SMC_GET_BYTE_TEST() SMC_inl( ioaddr, BYTE_TEST ) +#define SMC_SET_BYTE_TEST(x) SMC_outl( x, ioaddr, BYTE_TEST ) +#define SMC_GET_FIFO_INT() SMC_inl( ioaddr, FIFO_INT ) +#define SMC_SET_FIFO_INT(x) SMC_outl( x, ioaddr, FIFO_INT ) +#define SMC_SET_FIFO_TDA(x) \ + do { \ + unsigned long __flags; \ + int __mask; \ + local_irq_save(__flags); \ + __mask = SMC_GET_FIFO_INT() & ~(0xFF<<24); \ + SMC_SET_FIFO_INT( __mask | (x)<<24 ); \ + local_irq_restore(__flags); \ + } while (0) +#define SMC_SET_FIFO_TSL(x) \ + do { \ + unsigned long __flags; \ + int __mask; \ + local_irq_save(__flags); \ + __mask = SMC_GET_FIFO_INT() & ~(0xFF<<16); \ + SMC_SET_FIFO_INT( __mask | (((x) & 0xFF)<<16)); \ + local_irq_restore(__flags); \ + } while (0) +#define SMC_SET_FIFO_RSA(x) \ + do { \ + unsigned long __flags; \ + int __mask; \ + local_irq_save(__flags); \ + __mask = SMC_GET_FIFO_INT() & ~(0xFF<<8); \ + SMC_SET_FIFO_INT( __mask | (((x) & 0xFF)<<8)); \ + local_irq_restore(__flags); \ + } while (0) +#define SMC_SET_FIFO_RSL(x) \ + do { \ + unsigned long __flags; \ + int __mask; \ + local_irq_save(__flags); \ + __mask = SMC_GET_FIFO_INT() & ~0xFF; \ + SMC_SET_FIFO_INT( __mask | ((x) & 0xFF)); \ + local_irq_restore(__flags); \ + } while (0) +#define SMC_GET_RX_CFG() SMC_inl( ioaddr, RX_CFG ) +#define SMC_SET_RX_CFG(x) SMC_outl( x, ioaddr, RX_CFG ) +#define SMC_GET_TX_CFG() SMC_inl( ioaddr, TX_CFG ) +#define SMC_SET_TX_CFG(x) SMC_outl( x, ioaddr, TX_CFG ) +#define SMC_GET_HW_CFG() SMC_inl( ioaddr, HW_CFG ) +#define SMC_SET_HW_CFG(x) SMC_outl( x, ioaddr, HW_CFG ) +#define SMC_GET_RX_DP_CTRL() SMC_inl( ioaddr, RX_DP_CTRL ) +#define SMC_SET_RX_DP_CTRL(x) SMC_outl( x, ioaddr, RX_DP_CTRL ) +#define SMC_GET_PMT_CTRL() SMC_inl( ioaddr, PMT_CTRL ) +#define SMC_SET_PMT_CTRL(x) SMC_outl( x, ioaddr, PMT_CTRL ) +#define SMC_GET_GPIO_CFG() SMC_inl( ioaddr, GPIO_CFG ) +#define SMC_SET_GPIO_CFG(x) SMC_outl( x, ioaddr, GPIO_CFG ) +#define SMC_GET_RX_FIFO_INF() SMC_inl( ioaddr, RX_FIFO_INF ) +#define SMC_SET_RX_FIFO_INF(x) SMC_outl( x, ioaddr, RX_FIFO_INF ) +#define SMC_GET_TX_FIFO_INF() SMC_inl( ioaddr, TX_FIFO_INF ) +#define SMC_SET_TX_FIFO_INF(x) SMC_outl( x, ioaddr, TX_FIFO_INF ) +#define SMC_GET_GPT_CFG() SMC_inl( ioaddr, GPT_CFG ) +#define SMC_SET_GPT_CFG(x) SMC_outl( x, ioaddr, GPT_CFG ) +#define SMC_GET_RX_DROP() SMC_inl( ioaddr, RX_DROP ) +#define SMC_SET_RX_DROP(x) SMC_outl( x, ioaddr, RX_DROP ) +#define SMC_GET_MAC_CMD() SMC_inl( ioaddr, MAC_CSR_CMD ) +#define SMC_SET_MAC_CMD(x) SMC_outl( x, ioaddr, MAC_CSR_CMD ) +#define SMC_GET_MAC_DATA() SMC_inl( ioaddr, MAC_CSR_DATA ) +#define SMC_SET_MAC_DATA(x) SMC_outl( x, ioaddr, MAC_CSR_DATA ) +#define SMC_GET_AFC_CFG() SMC_inl( ioaddr, AFC_CFG ) +#define SMC_SET_AFC_CFG(x) SMC_outl( x, ioaddr, AFC_CFG ) +#define SMC_GET_E2P_CMD() SMC_inl( ioaddr, E2P_CMD ) +#define SMC_SET_E2P_CMD(x) SMC_outl( x, ioaddr, E2P_CMD ) +#define SMC_GET_E2P_DATA() SMC_inl( ioaddr, E2P_DATA ) +#define SMC_SET_E2P_DATA(x) SMC_outl( x, ioaddr, E2P_DATA ) + +/* MAC register read/write macros */ +#define SMC_GET_MAC_CSR(a,v) \ + do { \ + while (SMC_GET_MAC_CMD() & MAC_CSR_CMD_CSR_BUSY_); \ + SMC_SET_MAC_CMD(MAC_CSR_CMD_CSR_BUSY_ | \ + MAC_CSR_CMD_R_NOT_W_ | (a) ); \ + while (SMC_GET_MAC_CMD() & MAC_CSR_CMD_CSR_BUSY_); \ + v = SMC_GET_MAC_DATA(); \ + } while (0) +#define SMC_SET_MAC_CSR(a,v) \ + do { \ + while (SMC_GET_MAC_CMD() & MAC_CSR_CMD_CSR_BUSY_); \ + SMC_SET_MAC_DATA(v); \ + SMC_SET_MAC_CMD(MAC_CSR_CMD_CSR_BUSY_ | (a) ); \ + while (SMC_GET_MAC_CMD() & MAC_CSR_CMD_CSR_BUSY_); \ + } while (0) +#define SMC_GET_MAC_CR(x) SMC_GET_MAC_CSR( MAC_CR, x ) +#define SMC_SET_MAC_CR(x) SMC_SET_MAC_CSR( MAC_CR, x ) +#define SMC_GET_ADDRH(x) SMC_GET_MAC_CSR( ADDRH, x ) +#define SMC_SET_ADDRH(x) SMC_SET_MAC_CSR( ADDRH, x ) +#define SMC_GET_ADDRL(x) SMC_GET_MAC_CSR( ADDRL, x ) +#define SMC_SET_ADDRL(x) SMC_SET_MAC_CSR( ADDRL, x ) +#define SMC_GET_HASHH(x) SMC_GET_MAC_CSR( HASHH, x ) +#define SMC_SET_HASHH(x) SMC_SET_MAC_CSR( HASHH, x ) +#define SMC_GET_HASHL(x) SMC_GET_MAC_CSR( HASHL, x ) +#define SMC_SET_HASHL(x) SMC_SET_MAC_CSR( HASHL, x ) +#define SMC_GET_MII_ACC(x) SMC_GET_MAC_CSR( MII_ACC, x ) +#define SMC_SET_MII_ACC(x) SMC_SET_MAC_CSR( MII_ACC, x ) +#define SMC_GET_MII_DATA(x) SMC_GET_MAC_CSR( MII_DATA, x ) +#define SMC_SET_MII_DATA(x) SMC_SET_MAC_CSR( MII_DATA, x ) +#define SMC_GET_FLOW(x) SMC_GET_MAC_CSR( FLOW, x ) +#define SMC_SET_FLOW(x) SMC_SET_MAC_CSR( FLOW, x ) +#define SMC_GET_VLAN1(x) SMC_GET_MAC_CSR( VLAN1, x ) +#define SMC_SET_VLAN1(x) SMC_SET_MAC_CSR( VLAN1, x ) +#define SMC_GET_VLAN2(x) SMC_GET_MAC_CSR( VLAN2, x ) +#define SMC_SET_VLAN2(x) SMC_SET_MAC_CSR( VLAN2, x ) +#define SMC_SET_WUFF(x) SMC_SET_MAC_CSR( WUFF, x ) +#define SMC_GET_WUCSR(x) SMC_GET_MAC_CSR( WUCSR, x ) +#define SMC_SET_WUCSR(x) SMC_SET_MAC_CSR( WUCSR, x ) + +/* PHY register read/write macros */ +#define SMC_GET_MII(a,phy,v) \ + do { \ + u32 __v; \ + do { \ + SMC_GET_MII_ACC(__v); \ + } while ( __v & MII_ACC_MII_BUSY_ ); \ + SMC_SET_MII_ACC( ((phy)<<11) | ((a)<<6) | \ + MII_ACC_MII_BUSY_); \ + do { \ + SMC_GET_MII_ACC(__v); \ + } while ( __v & MII_ACC_MII_BUSY_ ); \ + SMC_GET_MII_DATA(v); \ + } while (0) +#define SMC_SET_MII(a,phy,v) \ + do { \ + u32 __v; \ + do { \ + SMC_GET_MII_ACC(__v); \ + } while ( __v & MII_ACC_MII_BUSY_ ); \ + SMC_SET_MII_DATA(v); \ + SMC_SET_MII_ACC( ((phy)<<11) | ((a)<<6) | \ + MII_ACC_MII_BUSY_ | \ + MII_ACC_MII_WRITE_ ); \ + do { \ + SMC_GET_MII_ACC(__v); \ + } while ( __v & MII_ACC_MII_BUSY_ ); \ + } while (0) +#define SMC_GET_PHY_BMCR(phy,x) SMC_GET_MII( MII_BMCR, phy, x ) +#define SMC_SET_PHY_BMCR(phy,x) SMC_SET_MII( MII_BMCR, phy, x ) +#define SMC_GET_PHY_BMSR(phy,x) SMC_GET_MII( MII_BMSR, phy, x ) +#define SMC_GET_PHY_ID1(phy,x) SMC_GET_MII( MII_PHYSID1, phy, x ) +#define SMC_GET_PHY_ID2(phy,x) SMC_GET_MII( MII_PHYSID2, phy, x ) +#define SMC_GET_PHY_MII_ADV(phy,x) SMC_GET_MII( MII_ADVERTISE, phy, x ) +#define SMC_SET_PHY_MII_ADV(phy,x) SMC_SET_MII( MII_ADVERTISE, phy, x ) +#define SMC_GET_PHY_MII_LPA(phy,x) SMC_GET_MII( MII_LPA, phy, x ) +#define SMC_SET_PHY_MII_LPA(phy,x) SMC_SET_MII( MII_LPA, phy, x ) +#define SMC_GET_PHY_CTRL_STS(phy,x) SMC_GET_MII( PHY_MODE_CTRL_STS, phy, x ) +#define SMC_SET_PHY_CTRL_STS(phy,x) SMC_SET_MII( PHY_MODE_CTRL_STS, phy, x ) +#define SMC_GET_PHY_INT_SRC(phy,x) SMC_GET_MII( PHY_INT_SRC, phy, x ) +#define SMC_SET_PHY_INT_SRC(phy,x) SMC_SET_MII( PHY_INT_SRC, phy, x ) +#define SMC_GET_PHY_INT_MASK(phy,x) SMC_GET_MII( PHY_INT_MASK, phy, x ) +#define SMC_SET_PHY_INT_MASK(phy,x) SMC_SET_MII( PHY_INT_MASK, phy, x ) +#define SMC_GET_PHY_SPECIAL(phy,x) SMC_GET_MII( PHY_SPECIAL, phy, x ) + + + +/* Misc read/write macros */ + +#ifndef SMC_GET_MAC_ADDR +#define SMC_GET_MAC_ADDR(addr) \ + do { \ + unsigned int __v; \ + \ + SMC_GET_MAC_CSR(ADDRL, __v); \ + addr[0] = __v; addr[1] = __v >> 8; \ + addr[2] = __v >> 16; addr[3] = __v >> 24; \ + SMC_GET_MAC_CSR(ADDRH, __v); \ + addr[4] = __v; addr[5] = __v >> 8; \ + } while (0) +#endif + +#define SMC_SET_MAC_ADDR(addr) \ + do { \ + SMC_SET_MAC_CSR(ADDRL, \ + addr[0] | \ + (addr[1] << 8) | \ + (addr[2] << 16) | \ + (addr[3] << 24)); \ + SMC_SET_MAC_CSR(ADDRH, addr[4]|(addr[5] << 8));\ + } while (0) + + +#define SMC_WRITE_EEPROM_CMD(cmd, addr) \ + do { \ + while (SMC_GET_E2P_CMD() & MAC_CSR_CMD_CSR_BUSY_); \ + SMC_SET_MAC_CMD(MAC_CSR_CMD_R_NOT_W_ | a ); \ + while (SMC_GET_MAC_CMD() & MAC_CSR_CMD_CSR_BUSY_); \ + } while (0) + +#endif /* _SMC911X_H_ */ diff --git a/drivers/net/smc9194.c b/drivers/net/smc9194.c index f86697da04d6..6cf16f322ad5 100644 --- a/drivers/net/smc9194.c +++ b/drivers/net/smc9194.c @@ -732,12 +732,9 @@ static int ifport; struct net_device * __init smc_init(int unit) { struct net_device *dev = alloc_etherdev(sizeof(struct smc_local)); - static struct devlist *smcdev = smc_devlist; + struct devlist *smcdev = smc_devlist; int err = 0; -#ifndef NO_AUTOPROBE - smcdev = smc_devlist; -#endif if (!dev) return ERR_PTR(-ENODEV); @@ -1607,7 +1604,7 @@ MODULE_PARM_DESC(io, "SMC 99194 I/O base address"); MODULE_PARM_DESC(irq, "SMC 99194 IRQ number"); MODULE_PARM_DESC(ifport, "SMC 99194 interface port (0-default, 1-TP, 2-AUI)"); -int init_module(void) +int __init init_module(void) { if (io == 0) printk(KERN_WARNING diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h index e1be1af51201..f72a4f57905a 100644 --- a/drivers/net/smc91x.h +++ b/drivers/net/smc91x.h @@ -129,6 +129,24 @@ #define SMC_insb(a, r, p, l) readsb((a) + (r), p, (l)) #define SMC_outsb(a, r, p, l) writesb((a) + (r), p, (l)) +#elif defined(CONFIG_MACH_LOGICPD_PXA270) + +#define SMC_CAN_USE_8BIT 0 +#define SMC_CAN_USE_16BIT 1 +#define SMC_CAN_USE_32BIT 0 +#define SMC_IO_SHIFT 0 +#define SMC_NOWAIT 1 +#define SMC_USE_PXA_DMA 1 + +#define SMC_inb(a, r) readb((a) + (r)) +#define SMC_inw(a, r) readw((a) + (r)) +#define SMC_inl(a, r) readl((a) + (r)) +#define SMC_outb(v, a, r) writeb(v, (a) + (r)) +#define SMC_outw(v, a, r) writew(v, (a) + (r)) +#define SMC_outl(v, a, r) writel(v, (a) + (r)) +#define SMC_insw(a, r, p, l) readsw((a) + (r), p, l) +#define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l) + #elif defined(CONFIG_ARCH_INNOKOM) || \ defined(CONFIG_MACH_MAINSTONE) || \ defined(CONFIG_ARCH_PXA_IDP) || \ diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c index b2ddd5e79303..9282b4b0c022 100644 --- a/drivers/net/sungem_phy.c +++ b/drivers/net/sungem_phy.c @@ -345,9 +345,9 @@ static int bcm5421_enable_fiber(struct mii_phy* phy) static int bcm5461_enable_fiber(struct mii_phy* phy) { - phy_write(phy, MII_NCONFIG, 0xfc0c); - phy_write(phy, MII_BMCR, 0x4140); - phy_write(phy, MII_NCONFIG, 0xfc0b); + phy_write(phy, MII_NCONFIG, 0xfc0c); + phy_write(phy, MII_BMCR, 0x4140); + phy_write(phy, MII_NCONFIG, 0xfc0b); phy_write(phy, MII_BMCR, 0x0140); return 0; diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 49ad60b72657..b2ddd4522a87 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -69,8 +69,8 @@ #define DRV_MODULE_NAME "tg3" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "3.58" -#define DRV_MODULE_RELDATE "May 22, 2006" +#define DRV_MODULE_VERSION "3.60" +#define DRV_MODULE_RELDATE "June 17, 2006" #define TG3_DEF_MAC_MODE 0 #define TG3_DEF_RX_MODE 0 @@ -229,6 +229,8 @@ static struct pci_device_id tg3_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5755M, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, + { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5786, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5787M, @@ -2965,6 +2967,27 @@ static int tg3_setup_phy(struct tg3 *tp, int force_reset) return err; } +/* This is called whenever we suspect that the system chipset is re- + * ordering the sequence of MMIO to the tx send mailbox. The symptom + * is bogus tx completions. We try to recover by setting the + * TG3_FLAG_MBOX_WRITE_REORDER flag and resetting the chip later + * in the workqueue. + */ +static void tg3_tx_recover(struct tg3 *tp) +{ + BUG_ON((tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) || + tp->write32_tx_mbox == tg3_write_indirect_mbox); + + printk(KERN_WARNING PFX "%s: The system may be re-ordering memory-" + "mapped I/O cycles to the network device, attempting to " + "recover. Please report the problem to the driver maintainer " + "and include system chipset information.\n", tp->dev->name); + + spin_lock(&tp->lock); + tp->tg3_flags |= TG3_FLAG_TX_RECOVERY_PENDING; + spin_unlock(&tp->lock); +} + /* Tigon3 never reports partial packet sends. So we do not * need special logic to handle SKBs that have not had all * of their frags sent yet, like SunGEM does. @@ -2977,9 +3000,13 @@ static void tg3_tx(struct tg3 *tp) while (sw_idx != hw_idx) { struct tx_ring_info *ri = &tp->tx_buffers[sw_idx]; struct sk_buff *skb = ri->skb; - int i; + int i, tx_bug = 0; + + if (unlikely(skb == NULL)) { + tg3_tx_recover(tp); + return; + } - BUG_ON(skb == NULL); pci_unmap_single(tp->pdev, pci_unmap_addr(ri, mapping), skb_headlen(skb), @@ -2990,10 +3017,9 @@ static void tg3_tx(struct tg3 *tp) sw_idx = NEXT_TX(sw_idx); for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - BUG_ON(sw_idx == hw_idx); - ri = &tp->tx_buffers[sw_idx]; - BUG_ON(ri->skb != NULL); + if (unlikely(ri->skb != NULL || sw_idx == hw_idx)) + tx_bug = 1; pci_unmap_page(tp->pdev, pci_unmap_addr(ri, mapping), @@ -3004,6 +3030,11 @@ static void tg3_tx(struct tg3 *tp) } dev_kfree_skb(skb); + + if (unlikely(tx_bug)) { + tg3_tx_recover(tp); + return; + } } tp->tx_cons = sw_idx; @@ -3331,6 +3362,11 @@ static int tg3_poll(struct net_device *netdev, int *budget) /* run TX completion thread */ if (sblk->idx[0].tx_consumer != tp->tx_cons) { tg3_tx(tp); + if (unlikely(tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING)) { + netif_rx_complete(netdev); + schedule_work(&tp->reset_task); + return 0; + } } /* run RX thread, within the bounds set by NAPI. @@ -3391,12 +3427,10 @@ static inline void tg3_full_lock(struct tg3 *tp, int irq_sync) if (irq_sync) tg3_irq_quiesce(tp); spin_lock_bh(&tp->lock); - spin_lock(&tp->tx_lock); } static inline void tg3_full_unlock(struct tg3 *tp) { - spin_unlock(&tp->tx_lock); spin_unlock_bh(&tp->lock); } @@ -3579,6 +3613,13 @@ static void tg3_reset_task(void *_data) restart_timer = tp->tg3_flags2 & TG3_FLG2_RESTART_TIMER; tp->tg3_flags2 &= ~TG3_FLG2_RESTART_TIMER; + if (tp->tg3_flags & TG3_FLAG_TX_RECOVERY_PENDING) { + tp->write32_tx_mbox = tg3_write32_tx_mbox; + tp->write32_rx_mbox = tg3_write_flush_reg32; + tp->tg3_flags |= TG3_FLAG_MBOX_WRITE_REORDER; + tp->tg3_flags &= ~TG3_FLAG_TX_RECOVERY_PENDING; + } + tg3_halt(tp, RESET_KIND_SHUTDOWN, 0); tg3_init_hw(tp, 1); @@ -3718,14 +3759,11 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) len = skb_headlen(skb); - /* No BH disabling for tx_lock here. We are running in BH disabled - * context and TX reclaim runs via tp->poll inside of a software + /* We are running in BH disabled context with netif_tx_lock + * and TX reclaim runs via tp->poll inside of a software * interrupt. Furthermore, IRQ processing runs lockless so we have * no IRQ context deadlocks to worry about either. Rejoice! */ - if (!spin_trylock(&tp->tx_lock)) - return NETDEV_TX_LOCKED; - if (unlikely(TX_BUFFS_AVAIL(tp) <= (skb_shinfo(skb)->nr_frags + 1))) { if (!netif_queue_stopped(dev)) { netif_stop_queue(dev); @@ -3734,7 +3772,6 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) printk(KERN_ERR PFX "%s: BUG! Tx Ring full when " "queue awake!\n", dev->name); } - spin_unlock(&tp->tx_lock); return NETDEV_TX_BUSY; } @@ -3817,15 +3854,16 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry); tp->tx_prod = entry; - if (TX_BUFFS_AVAIL(tp) <= (MAX_SKB_FRAGS + 1)) { + if (unlikely(TX_BUFFS_AVAIL(tp) <= (MAX_SKB_FRAGS + 1))) { + spin_lock(&tp->tx_lock); netif_stop_queue(dev); if (TX_BUFFS_AVAIL(tp) > TG3_TX_WAKEUP_THRESH) netif_wake_queue(tp->dev); + spin_unlock(&tp->tx_lock); } out_unlock: mmiowb(); - spin_unlock(&tp->tx_lock); dev->trans_start = jiffies; @@ -3844,14 +3882,11 @@ static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev) len = skb_headlen(skb); - /* No BH disabling for tx_lock here. We are running in BH disabled - * context and TX reclaim runs via tp->poll inside of a software + /* We are running in BH disabled context with netif_tx_lock + * and TX reclaim runs via tp->poll inside of a software * interrupt. Furthermore, IRQ processing runs lockless so we have * no IRQ context deadlocks to worry about either. Rejoice! */ - if (!spin_trylock(&tp->tx_lock)) - return NETDEV_TX_LOCKED; - if (unlikely(TX_BUFFS_AVAIL(tp) <= (skb_shinfo(skb)->nr_frags + 1))) { if (!netif_queue_stopped(dev)) { netif_stop_queue(dev); @@ -3860,7 +3895,6 @@ static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev) printk(KERN_ERR PFX "%s: BUG! Tx Ring full when " "queue awake!\n", dev->name); } - spin_unlock(&tp->tx_lock); return NETDEV_TX_BUSY; } @@ -3998,15 +4032,16 @@ static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev) tw32_tx_mbox((MAILBOX_SNDHOST_PROD_IDX_0 + TG3_64BIT_REG_LOW), entry); tp->tx_prod = entry; - if (TX_BUFFS_AVAIL(tp) <= (MAX_SKB_FRAGS + 1)) { + if (unlikely(TX_BUFFS_AVAIL(tp) <= (MAX_SKB_FRAGS + 1))) { + spin_lock(&tp->tx_lock); netif_stop_queue(dev); if (TX_BUFFS_AVAIL(tp) > TG3_TX_WAKEUP_THRESH) netif_wake_queue(tp->dev); + spin_unlock(&tp->tx_lock); } out_unlock: mmiowb(); - spin_unlock(&tp->tx_lock); dev->trans_start = jiffies; @@ -4485,9 +4520,8 @@ static void tg3_disable_nvram_access(struct tg3 *tp) /* tp->lock is held. */ static void tg3_write_sig_pre_reset(struct tg3 *tp, int kind) { - if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X)) - tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX, - NIC_SRAM_FIRMWARE_MBOX_MAGIC1); + tg3_write_mem(tp, NIC_SRAM_FIRMWARE_MBOX, + NIC_SRAM_FIRMWARE_MBOX_MAGIC1); if (tp->tg3_flags2 & TG3_FLG2_ASF_NEW_HANDSHAKE) { switch (kind) { @@ -4568,13 +4602,12 @@ static int tg3_chip_reset(struct tg3 *tp) void (*write_op)(struct tg3 *, u32, u32); int i; - if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X)) { - tg3_nvram_lock(tp); - /* No matching tg3_nvram_unlock() after this because - * chip reset below will undo the nvram lock. - */ - tp->nvram_lock_cnt = 0; - } + tg3_nvram_lock(tp); + + /* No matching tg3_nvram_unlock() after this because + * chip reset below will undo the nvram lock. + */ + tp->nvram_lock_cnt = 0; if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752 || GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755 || @@ -4727,20 +4760,25 @@ static int tg3_chip_reset(struct tg3 *tp) tw32_f(MAC_MODE, 0); udelay(40); - if (!(tp->tg3_flags2 & TG3_FLG2_SUN_570X)) { - /* Wait for firmware initialization to complete. */ - for (i = 0; i < 100000; i++) { - tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val); - if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1) - break; - udelay(10); - } - if (i >= 100000) { - printk(KERN_ERR PFX "tg3_reset_hw timed out for %s, " - "firmware will not restart magic=%08x\n", - tp->dev->name, val); - return -ENODEV; - } + /* Wait for firmware initialization to complete. */ + for (i = 0; i < 100000; i++) { + tg3_read_mem(tp, NIC_SRAM_FIRMWARE_MBOX, &val); + if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1) + break; + udelay(10); + } + + /* Chip might not be fitted with firmare. Some Sun onboard + * parts are configured like that. So don't signal the timeout + * of the above loop as an error, but do report the lack of + * running firmware once. + */ + if (i >= 100000 && + !(tp->tg3_flags2 & TG3_FLG2_NO_FWARE_REPORTED)) { + tp->tg3_flags2 |= TG3_FLG2_NO_FWARE_REPORTED; + + printk(KERN_INFO PFX "%s: No firmware running.\n", + tp->dev->name); } if ((tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS) && @@ -9075,9 +9113,6 @@ static void __devinit tg3_nvram_init(struct tg3 *tp) { int j; - if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) - return; - tw32_f(GRC_EEPROM_ADDR, (EEPROM_ADDR_FSM_RESET | (EEPROM_DEFAULT_CLOCK_PERIOD << @@ -9210,11 +9245,6 @@ static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val) { int ret; - if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) { - printk(KERN_ERR PFX "Attempt to do nvram_read on Sun 570X\n"); - return -EINVAL; - } - if (!(tp->tg3_flags & TG3_FLAG_NVRAM)) return tg3_nvram_read_using_eeprom(tp, offset, val); @@ -9447,11 +9477,6 @@ static int tg3_nvram_write_block(struct tg3 *tp, u32 offset, u32 len, u8 *buf) { int ret; - if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) { - printk(KERN_ERR PFX "Attempt to do nvram_write on Sun 570X\n"); - return -EINVAL; - } - if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) { tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl & ~GRC_LCLCTRL_GPIO_OUTPUT1); @@ -9578,15 +9603,19 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp) pci_write_config_dword(tp->pdev, TG3PCI_MISC_HOST_CTRL, tp->misc_host_ctrl); + /* The memory arbiter has to be enabled in order for SRAM accesses + * to succeed. Normally on powerup the tg3 chip firmware will make + * sure it is enabled, but other entities such as system netboot + * code might disable it. + */ + val = tr32(MEMARB_MODE); + tw32(MEMARB_MODE, val | MEMARB_MODE_ENABLE); + tp->phy_id = PHY_ID_INVALID; tp->led_ctrl = LED_CTRL_MODE_PHY_1; - /* Do not even try poking around in here on Sun parts. */ - if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) { - /* All SUN chips are built-in LOMs. */ - tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT; - return; - } + /* Assume an onboard device by default. */ + tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT; tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val); if (val == NIC_SRAM_DATA_SIG_MAGIC) { @@ -9686,6 +9715,8 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp) if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP) tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT; + else + tp->tg3_flags &= ~TG3_FLAG_EEPROM_WRITE_PROT; if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) { tp->tg3_flags |= TG3_FLAG_ENABLE_ASF; @@ -9834,16 +9865,8 @@ static void __devinit tg3_read_partno(struct tg3 *tp) int i; u32 magic; - if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) { - /* Sun decided not to put the necessary bits in the - * NVRAM of their onboard tg3 parts :( - */ - strcpy(tp->board_part_number, "Sun 570X"); - return; - } - if (tg3_nvram_read_swab(tp, 0x0, &magic)) - return; + goto out_not_found; if (magic == TG3_EEPROM_MAGIC) { for (i = 0; i < 256; i += 4) { @@ -9874,6 +9897,9 @@ static void __devinit tg3_read_partno(struct tg3 *tp) break; msleep(1); } + if (!(tmp16 & 0x8000)) + goto out_not_found; + pci_read_config_dword(tp->pdev, vpd_cap + PCI_VPD_DATA, &tmp); tmp = cpu_to_le32(tmp); @@ -9965,37 +9991,6 @@ static void __devinit tg3_read_fw_ver(struct tg3 *tp) } } -#ifdef CONFIG_SPARC64 -static int __devinit tg3_is_sun_570X(struct tg3 *tp) -{ - struct pci_dev *pdev = tp->pdev; - struct pcidev_cookie *pcp = pdev->sysdata; - - if (pcp != NULL) { - int node = pcp->prom_node; - u32 venid; - int err; - - err = prom_getproperty(node, "subsystem-vendor-id", - (char *) &venid, sizeof(venid)); - if (err == 0 || err == -1) - return 0; - if (venid == PCI_VENDOR_ID_SUN) - return 1; - - /* TG3 chips onboard the SunBlade-2500 don't have the - * subsystem-vendor-id set to PCI_VENDOR_ID_SUN but they - * are distinguishable from non-Sun variants by being - * named "network" by the firmware. Non-Sun cards will - * show up as being named "ethernet". - */ - if (!strcmp(pcp->prom_name, "network")) - return 1; - } - return 0; -} -#endif - static int __devinit tg3_get_invariants(struct tg3 *tp) { static struct pci_device_id write_reorder_chipsets[] = { @@ -10012,11 +10007,6 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) u16 pci_cmd; int err; -#ifdef CONFIG_SPARC64 - if (tg3_is_sun_570X(tp)) - tp->tg3_flags2 |= TG3_FLG2_SUN_570X; -#endif - /* Force memory write invalidate off. If we leave it on, * then on 5700_BX chips we have to enable a workaround. * The workaround is to set the TG3PCI_DMA_RW_CTRL boundary @@ -10312,8 +10302,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) if (tp->write32 == tg3_write_indirect_reg32 || ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) && (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 || - GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) || - (tp->tg3_flags2 & TG3_FLG2_SUN_570X)) + GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701))) tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG; /* Get eeprom hw config before calling tg3_set_power_state(). @@ -10594,8 +10583,7 @@ static int __devinit tg3_get_device_address(struct tg3 *tp) #endif mac_offset = 0x7c; - if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 && - !(tp->tg3_flags & TG3_FLG2_SUN_570X)) || + if ((GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) || (tp->tg3_flags2 & TG3_FLG2_5780_CLASS)) { if (tr32(TG3PCI_DUAL_MAC_CTRL) & DUAL_MAC_CTRL_ID) mac_offset = 0xcc; @@ -10622,8 +10610,7 @@ static int __devinit tg3_get_device_address(struct tg3 *tp) } if (!addr_ok) { /* Next, try NVRAM. */ - if (!(tp->tg3_flags & TG3_FLG2_SUN_570X) && - !tg3_nvram_read(tp, mac_offset + 0, &hi) && + if (!tg3_nvram_read(tp, mac_offset + 0, &hi) && !tg3_nvram_read(tp, mac_offset + 4, &lo)) { dev->dev_addr[0] = ((hi >> 16) & 0xff); dev->dev_addr[1] = ((hi >> 24) & 0xff); @@ -11291,7 +11278,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, SET_MODULE_OWNER(dev); SET_NETDEV_DEV(dev, &pdev->dev); - dev->features |= NETIF_F_LLTX; #if TG3_VLAN_TAG_USED dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; dev->vlan_rx_register = tg3_vlan_rx_register; diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index 0e29b885d449..8209da5dd15f 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -2074,12 +2074,22 @@ struct tg3 { /* SMP locking strategy: * - * lock: Held during all operations except TX packet - * processing. + * lock: Held during reset, PHY access, timer, and when + * updating tg3_flags and tg3_flags2. * - * tx_lock: Held during tg3_start_xmit and tg3_tx + * tx_lock: Held during tg3_start_xmit and tg3_tx only + * when calling netif_[start|stop]_queue. + * tg3_start_xmit is protected by netif_tx_lock. * * Both of these locks are to be held with BH safety. + * + * Because the IRQ handler, tg3_poll, and tg3_start_xmit + * are running lockless, it is necessary to completely + * quiesce the chip with tg3_netif_stop and tg3_full_lock + * before reconfiguring the device. + * + * indirect_lock: Held when accessing registers indirectly + * with IRQ disabling. */ spinlock_t lock; spinlock_t indirect_lock; @@ -2155,11 +2165,7 @@ struct tg3 { #define TG3_FLAG_ENABLE_ASF 0x00000020 #define TG3_FLAG_5701_REG_WRITE_BUG 0x00000040 #define TG3_FLAG_POLL_SERDES 0x00000080 -#if defined(CONFIG_X86) #define TG3_FLAG_MBOX_WRITE_REORDER 0x00000100 -#else -#define TG3_FLAG_MBOX_WRITE_REORDER 0 /* disables code too */ -#endif #define TG3_FLAG_PCIX_TARGET_HWBUG 0x00000200 #define TG3_FLAG_WOL_SPEED_100MB 0x00000400 #define TG3_FLAG_WOL_ENABLE 0x00000800 @@ -2172,6 +2178,7 @@ struct tg3 { #define TG3_FLAG_PCI_HIGH_SPEED 0x00040000 #define TG3_FLAG_PCI_32BIT 0x00080000 #define TG3_FLAG_SRAM_USE_CONFIG 0x00100000 +#define TG3_FLAG_TX_RECOVERY_PENDING 0x00200000 #define TG3_FLAG_SERDES_WOL_CAP 0x00400000 #define TG3_FLAG_JUMBO_RING_ENABLE 0x00800000 #define TG3_FLAG_10_100_ONLY 0x01000000 @@ -2184,7 +2191,7 @@ struct tg3 { #define TG3_FLAG_INIT_COMPLETE 0x80000000 u32 tg3_flags2; #define TG3_FLG2_RESTART_TIMER 0x00000001 -#define TG3_FLG2_SUN_570X 0x00000002 +/* 0x00000002 available */ #define TG3_FLG2_NO_ETH_WIRE_SPEED 0x00000004 #define TG3_FLG2_IS_5788 0x00000008 #define TG3_FLG2_MAX_RXPEND_64 0x00000010 @@ -2216,6 +2223,7 @@ struct tg3 { #define TG3_FLG2_HW_TSO (TG3_FLG2_HW_TSO_1 | TG3_FLG2_HW_TSO_2) #define TG3_FLG2_1SHOT_MSI 0x10000000 #define TG3_FLG2_PHY_JITTER_BUG 0x20000000 +#define TG3_FLG2_NO_FWARE_REPORTED 0x40000000 u32 split_mode_max_reqs; #define SPLIT_MODE_5704_MAX_REQ 3 diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c index e3dd144d326b..5f743b972949 100644 --- a/drivers/net/tulip/de2104x.c +++ b/drivers/net/tulip/de2104x.c @@ -227,12 +227,12 @@ enum { SROMC0InfoLeaf = 27, MediaBlockMask = 0x3f, MediaCustomCSRs = (1 << 6), - + /* PCIPM bits */ PM_Sleep = (1 << 31), PM_Snooze = (1 << 30), PM_Mask = PM_Sleep | PM_Snooze, - + /* SIAStatus bits */ NWayState = (1 << 14) | (1 << 13) | (1 << 12), NWayRestart = (1 << 12), @@ -858,7 +858,7 @@ static void de_stop_rxtx (struct de_private *de) return; cpu_relax(); } - + printk(KERN_WARNING "%s: timeout expired stopping DMA\n", de->dev->name); } @@ -931,7 +931,7 @@ static void de_set_media (struct de_private *de) macmode |= FullDuplex; else macmode &= ~FullDuplex; - + if (netif_msg_link(de)) { printk(KERN_INFO "%s: set link %s\n" KERN_INFO "%s: mode 0x%x, sia 0x%x,0x%x,0x%x,0x%x\n" @@ -966,9 +966,9 @@ static void de21040_media_timer (unsigned long data) u32 status = dr32(SIAStatus); unsigned int carrier; unsigned long flags; - + carrier = (status & NetCxnErr) ? 0 : 1; - + if (carrier) { if (de->media_type != DE_MEDIA_AUI && (status & LinkFailStatus)) goto no_link_yet; @@ -985,7 +985,7 @@ static void de21040_media_timer (unsigned long data) return; } - de_link_down(de); + de_link_down(de); if (de->media_lock) return; @@ -1039,7 +1039,7 @@ static unsigned int de_ok_to_advertise (struct de_private *de, u32 new_media) return 0; break; } - + return 1; } @@ -1050,9 +1050,9 @@ static void de21041_media_timer (unsigned long data) u32 status = dr32(SIAStatus); unsigned int carrier; unsigned long flags; - + carrier = (status & NetCxnErr) ? 0 : 1; - + if (carrier) { if ((de->media_type == DE_MEDIA_TP_AUTO || de->media_type == DE_MEDIA_TP || @@ -1072,7 +1072,7 @@ static void de21041_media_timer (unsigned long data) return; } - de_link_down(de); + de_link_down(de); /* if media type locked, don't switch media */ if (de->media_lock) @@ -1124,7 +1124,7 @@ static void de21041_media_timer (unsigned long data) u32 next_states[] = { DE_MEDIA_AUI, DE_MEDIA_BNC, DE_MEDIA_TP_AUTO }; de_next_media(de, next_states, ARRAY_SIZE(next_states)); } - + set_media: spin_lock_irqsave(&de->lock, flags); de_stop_rxtx(de); @@ -1148,7 +1148,7 @@ static void de_media_interrupt (struct de_private *de, u32 status) mod_timer(&de->media_timer, jiffies + DE_TIMER_LINK); return; } - + BUG_ON(!(status & LinkFail)); if (netif_carrier_ok(de->dev)) { @@ -1227,7 +1227,7 @@ static int de_init_hw (struct de_private *de) int rc; de_adapter_wake(de); - + macmode = dr32(MacMode) & ~MacModeClear; rc = de_reset_mac(de); @@ -1413,7 +1413,7 @@ static int de_close (struct net_device *dev) netif_stop_queue(dev); netif_carrier_off(dev); spin_unlock_irqrestore(&de->lock, flags); - + free_irq(dev->irq, dev); de_free_rings(de); @@ -1441,7 +1441,7 @@ static void de_tx_timeout (struct net_device *dev) spin_unlock_irq(&de->lock); enable_irq(dev->irq); - + /* Update the error counts. */ __de_get_stats(de); @@ -1451,7 +1451,7 @@ static void de_tx_timeout (struct net_device *dev) de_init_rings(de); de_init_hw(de); - + netif_wake_queue(dev); } @@ -1459,7 +1459,7 @@ static void __de_get_regs(struct de_private *de, u8 *buf) { int i; u32 *rbuf = (u32 *)buf; - + /* read all CSRs */ for (i = 0; i < DE_NUM_REGS; i++) rbuf[i] = dr32(i * 8); @@ -1474,7 +1474,7 @@ static int __de_get_settings(struct de_private *de, struct ethtool_cmd *ecmd) ecmd->transceiver = XCVR_INTERNAL; ecmd->phy_address = 0; ecmd->advertising = de->media_advertise; - + switch (de->media_type) { case DE_MEDIA_AUI: ecmd->port = PORT_AUI; @@ -1489,7 +1489,7 @@ static int __de_get_settings(struct de_private *de, struct ethtool_cmd *ecmd) ecmd->speed = SPEED_10; break; } - + if (dr32(MacMode) & FullDuplex) ecmd->duplex = DUPLEX_FULL; else @@ -1529,7 +1529,7 @@ static int __de_set_settings(struct de_private *de, struct ethtool_cmd *ecmd) if (ecmd->autoneg == AUTONEG_ENABLE && (!(ecmd->advertising & ADVERTISED_Autoneg))) return -EINVAL; - + switch (ecmd->port) { case PORT_AUI: new_media = DE_MEDIA_AUI; @@ -1554,22 +1554,22 @@ static int __de_set_settings(struct de_private *de, struct ethtool_cmd *ecmd) return -EINVAL; break; } - + media_lock = (ecmd->autoneg == AUTONEG_ENABLE) ? 0 : 1; - + if ((new_media == de->media_type) && (media_lock == de->media_lock) && (ecmd->advertising == de->media_advertise)) return 0; /* nothing to change */ - + de_link_down(de); de_stop_rxtx(de); - + de->media_type = new_media; de->media_lock = media_lock; de->media_advertise = ecmd->advertising; de_set_media(de); - + return 0; } @@ -1817,7 +1817,7 @@ static void __init de21041_get_srom_info (struct de_private *de) case 0x0204: de->media_type = DE_MEDIA_TP_FD; break; default: de->media_type = DE_MEDIA_TP_AUTO; break; } - + if (netif_msg_probe(de)) printk(KERN_INFO "de%d: SROM leaf offset %u, default media %s\n", de->board_idx, ofs, @@ -1886,7 +1886,7 @@ static void __init de21041_get_srom_info (struct de_private *de) de->media[idx].csr13, de->media[idx].csr14, de->media[idx].csr15); - + } else if (netif_msg_probe(de)) printk("\n"); @@ -2118,7 +2118,7 @@ static int de_suspend (struct pci_dev *pdev, pm_message_t state) spin_unlock_irq(&de->lock); enable_irq(dev->irq); - + /* Update the error counts. */ __de_get_stats(de); diff --git a/drivers/net/tulip/de4x5.c b/drivers/net/tulip/de4x5.c index f56094102042..da8bd0d62a3f 100644 --- a/drivers/net/tulip/de4x5.c +++ b/drivers/net/tulip/de4x5.c @@ -41,11 +41,11 @@ Digital Semiconductor SROM Specification. The driver currently recognises the following chips: - DC21040 (no SROM) - DC21041[A] - DC21140[A] - DC21142 - DC21143 + DC21040 (no SROM) + DC21041[A] + DC21140[A] + DC21142 + DC21143 So far the driver is known to work with the following cards: @@ -55,7 +55,7 @@ SMC8432 SMC9332 (w/new SROM) ZNYX31[45] - ZNYX346 10/100 4 port (can act as a 10/100 bridge!) + ZNYX346 10/100 4 port (can act as a 10/100 bridge!) The driver has been tested on a relatively busy network using the DE425, DE434, DE435 and DE500 cards and benchmarked with 'ttcp': it transferred @@ -106,7 +106,7 @@ loading by: insmod de4x5 io=0xghh where g = bus number - hh = device number + hh = device number NB: autoprobing for modules is now supported by default. You may just use: @@ -120,11 +120,11 @@ 4) if you are wanting to add a new card, goto 5. Otherwise, recompile a kernel with the de4x5 configuration turned off and reboot. 5) insmod de4x5 [io=0xghh] - 6) run the net startup bits for your new eth?? interface(s) manually - (usually /etc/rc.inet[12] at boot time). + 6) run the net startup bits for your new eth?? interface(s) manually + (usually /etc/rc.inet[12] at boot time). 7) enjoy! - To unload a module, turn off the associated interface(s) + To unload a module, turn off the associated interface(s) 'ifconfig eth?? down' then 'rmmod de4x5'. Automedia detection is included so that in principal you can disconnect @@ -135,7 +135,7 @@ By default, the driver will now autodetect any DECchip based card. Should you have a need to restrict the driver to DIGITAL only cards, you can compile with a DEC_ONLY define, or if loading as a module, use the - 'dec_only=1' parameter. + 'dec_only=1' parameter. I've changed the timing routines to use the kernel timer and scheduling functions so that the hangs and other assorted problems that occurred @@ -204,7 +204,7 @@ following parameters are allowed: fdx for full duplex - autosense to set the media/speed; with the following + autosense to set the media/speed; with the following sub-parameters: TP, TP_NW, BNC, AUI, BNC_AUI, 100Mb, 10Mb, AUTO @@ -235,14 +235,14 @@ this automatically or include #define DE4X5_FORCE_EISA on or before line 1040 in the driver. - TO DO: + TO DO: ------ Revision History ---------------- Version Date Description - + 0.1 17-Nov-94 Initial writing. ALPHA code release. 0.2 13-Jan-95 Added PCI support for DE435's. 0.21 19-Jan-95 Added auto media detection. @@ -251,7 +251,7 @@ Add request/release_region code. Add loadable modules support for PCI. Clean up loadable modules support. - 0.23 28-Feb-95 Added DC21041 and DC21140 support. + 0.23 28-Feb-95 Added DC21041 and DC21140 support. Fix missed frame counter value and initialisation. Fixed EISA probe. 0.24 11-Apr-95 Change delay routine to use <linux/udelay>. @@ -280,7 +280,7 @@ Add kernel timer code (h/w is too flaky). Add MII based PHY autosense. Add new multicasting code. - Add new autosense algorithms for media/mode + Add new autosense algorithms for media/mode selection using kernel scheduling/timing. Re-formatted. Made changes suggested by <jeff@router.patch.net>: @@ -307,10 +307,10 @@ Add Accton to the list of broken cards. Fix TX under-run bug for non DC21140 chips. Fix boot command probe bug in alloc_device() as - reported by <koen.gadeyne@barco.com> and + reported by <koen.gadeyne@barco.com> and <orava@nether.tky.hut.fi>. Add cache locks to prevent a race condition as - reported by <csd@microplex.com> and + reported by <csd@microplex.com> and <baba@beckman.uiuc.edu>. Upgraded alloc_device() code. 0.431 28-Jun-96 Fix potential bug in queue_pkt() from discussion @@ -322,7 +322,7 @@ with a loopback packet. 0.442 9-Sep-96 Include AUI in dc21041 media printout. Bug reported by <bhat@mundook.cs.mu.OZ.AU> - 0.45 8-Dec-96 Include endian functions for PPC use, from work + 0.45 8-Dec-96 Include endian functions for PPC use, from work by <cort@cs.nmt.edu> and <g.thomas@opengroup.org>. 0.451 28-Dec-96 Added fix to allow autoprobe for modules after suggestion from <mjacob@feral.com>. @@ -346,14 +346,14 @@ <paubert@iram.es>. 0.52 26-Apr-97 Some changes may not credit the right people - a disk crash meant I lost some mail. - Change RX interrupt routine to drop rather than - defer packets to avoid hang reported by + Change RX interrupt routine to drop rather than + defer packets to avoid hang reported by <g.thomas@opengroup.org>. Fix srom_exec() to return for COMPACT and type 1 infoblocks. Added DC21142 and DC21143 functions. Added byte counters from <phil@tazenda.demon.co.uk> - Added SA_INTERRUPT temporary fix from + Added SA_INTERRUPT temporary fix from <mjacob@feral.com>. 0.53 12-Nov-97 Fix the *_probe() to include 'eth??' name during module load: bug reported by @@ -363,10 +363,10 @@ Make above search independent of BIOS device scan direction. Completed DC2114[23] autosense functions. - 0.531 21-Dec-97 Fix DE500-XA 100Mb/s bug reported by + 0.531 21-Dec-97 Fix DE500-XA 100Mb/s bug reported by <robin@intercore.com Fix type1_infoblock() bug introduced in 0.53, from - problem reports by + problem reports by <parmee@postecss.ncrfran.france.ncr.com> and <jo@ice.dillingen.baynet.de>. Added argument list to set up each board from either @@ -374,7 +374,7 @@ Added generic MII PHY functionality to deal with newer PHY chips. Fix the mess in 2.1.67. - 0.532 5-Jan-98 Fix bug in mii_get_phy() reported by + 0.532 5-Jan-98 Fix bug in mii_get_phy() reported by <redhat@cococo.net>. Fix bug in pci_probe() for 64 bit systems reported by <belliott@accessone.com>. @@ -398,7 +398,7 @@ version. I hope nothing is broken... Add TX done interrupt modification from suggestion by <Austin.Donnelly@cl.cam.ac.uk>. - Fix is_anc_capable() bug reported by + Fix is_anc_capable() bug reported by <Austin.Donnelly@cl.cam.ac.uk>. Fix type[13]_infoblock() bug: during MII search, PHY lp->rst not run because lp->ibn not initialised - @@ -413,7 +413,7 @@ Add an_exception() for old ZYNX346 and fix compile warning on PPC & SPARC, from <ecd@skynet.be>. Fix lastPCI to correctly work with compiled in - kernels and modules from bug report by + kernels and modules from bug report by <Zlatko.Calusic@CARNet.hr> et al. 0.542 15-Sep-98 Fix dc2114x_autoconf() to stop multiple messages when media is unconnected. @@ -425,7 +425,7 @@ 0.544 8-May-99 Fix for buggy SROM in Motorola embedded boards using a 21143 by <mmporter@home.com>. Change PCI/EISA bus probing order. - 0.545 28-Nov-99 Further Moto SROM bug fix from + 0.545 28-Nov-99 Further Moto SROM bug fix from <mporter@eng.mcd.mot.com> Remove double checking for DEBUG_RX in de4x5_dbg_rx() from report by <geert@linux-m68k.org> @@ -434,8 +434,8 @@ variable 'pb', on a non de4x5 PCI device, in this case a PCI bridge (DEC chip 21152). The value of 'pb' is now only initialized if a de4x5 chip is - present. - <france@handhelds.org> + present. + <france@handhelds.org> 0.547 08-Nov-01 Use library crc32 functions by <Matt_Domsch@dell.com> 0.548 30-Aug-03 Big 2.6 cleanup. Ported to PCI/EISA probing and generic DMA APIs. Fixed DE425 support on Alpha. @@ -584,7 +584,7 @@ static int de4x5_debug = (DEBUG_MEDIA | DEBUG_VERSION); /* ** Allow per adapter set up. For modules this is simply a command line -** parameter, e.g.: +** parameter, e.g.: ** insmod de4x5 args='eth1:fdx autosense=BNC eth0:autosense=100Mb'. ** ** For a compiled in driver, place e.g. @@ -655,7 +655,7 @@ static c_char *de4x5_signatures[] = DE4X5_SIGNATURE; ** Memory Alignment. Each descriptor is 4 longwords long. To force a ** particular alignment on the TX descriptor, adjust DESC_SKIP_LEN and ** DESC_ALIGN. ALIGN aligns the start address of the private memory area -** and hence the RX descriptor ring's first entry. +** and hence the RX descriptor ring's first entry. */ #define DE4X5_ALIGN4 ((u_long)4 - 1) /* 1 longword align */ #define DE4X5_ALIGN8 ((u_long)8 - 1) /* 2 longword align */ @@ -1081,8 +1081,8 @@ static int (*dc_infoblock[])(struct net_device *dev, u_char, u_char *) = { mdelay(2); /* Wait for 2ms */\ } - -static int __devinit + +static int __devinit de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) { char name[DE4X5_NAME_LENGTH + 1]; @@ -1102,12 +1102,12 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) mdelay(10); RESET_DE4X5; - + if ((inl(DE4X5_STS) & (STS_TS | STS_RS)) != 0) { return -ENXIO; /* Hardware could not reset */ } - - /* + + /* ** Now find out what kind of DC21040/DC21041/DC21140 board we have. */ lp->useSROM = FALSE; @@ -1116,21 +1116,21 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) } else { EISA_signature(name, gendev); } - + if (*name == '\0') { /* Not found a board signature */ return -ENXIO; } - + dev->base_addr = iobase; printk ("%s: %s at 0x%04lx", gendev->bus_id, name, iobase); - + printk(", h/w address "); status = get_hw_addr(dev); for (i = 0; i < ETH_ALEN - 1; i++) { /* get the ethernet addr. */ printk("%2.2x:", dev->dev_addr[i]); } printk("%2.2x,\n", dev->dev_addr[i]); - + if (status != 0) { printk(" which has an Ethernet PROM CRC error.\n"); return -ENXIO; @@ -1171,10 +1171,10 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) } lp->tx_ring = lp->rx_ring + NUM_RX_DESC; - + /* ** Set up the RX descriptor ring (Intels) - ** Allocate contiguous receive buffers, long word aligned (Alphas) + ** Allocate contiguous receive buffers, long word aligned (Alphas) */ #if !defined(__alpha__) && !defined(__powerpc__) && !defined(__sparc_v9__) && !defined(DE4X5_DO_MEMCPY) for (i=0; i<NUM_RX_DESC; i++) { @@ -1210,7 +1210,7 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) lp->rxRingSize = NUM_RX_DESC; lp->txRingSize = NUM_TX_DESC; - + /* Write the end of list marker to the descriptor lists */ lp->rx_ring[lp->rxRingSize - 1].des1 |= cpu_to_le32(RD_RER); lp->tx_ring[lp->txRingSize - 1].des1 |= cpu_to_le32(TD_TER); @@ -1219,7 +1219,7 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) outl(lp->dma_rings, DE4X5_RRBA); outl(lp->dma_rings + NUM_RX_DESC * sizeof(struct de4x5_desc), DE4X5_TRBA); - + /* Initialise the IRQ mask and Enable/Disable */ lp->irq_mask = IMR_RIM | IMR_TIM | IMR_TUM | IMR_UNM; lp->irq_en = IMR_NIM | IMR_AIM; @@ -1252,7 +1252,7 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) if ((lp->chipset != DC21040) && (lp->chipset != DC21041)) { mii_get_phy(dev); } - + #ifndef __sparc_v9__ printk(" and requires IRQ%d (provided by %s).\n", dev->irq, #else @@ -1260,11 +1260,11 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) #endif ((lp->bus == PCI) ? "PCI BIOS" : "EISA CNFG")); } - + if (de4x5_debug & DEBUG_VERSION) { printk(version); } - + /* The DE4X5-specific entries in the device structure. */ SET_MODULE_OWNER(dev); SET_NETDEV_DEV(dev, gendev); @@ -1274,23 +1274,23 @@ de4x5_hw_init(struct net_device *dev, u_long iobase, struct device *gendev) dev->get_stats = &de4x5_get_stats; dev->set_multicast_list = &set_multicast_list; dev->do_ioctl = &de4x5_ioctl; - + dev->mem_start = 0; - + /* Fill in the generic fields of the device structure. */ if ((status = register_netdev (dev))) { dma_free_coherent (gendev, lp->dma_size, lp->rx_ring, lp->dma_rings); return status; } - + /* Let the adapter sleep to save power */ yawn(dev, SLEEP); - + return status; } - + static int de4x5_open(struct net_device *dev) { @@ -1312,15 +1312,15 @@ de4x5_open(struct net_device *dev) */ yawn(dev, WAKEUP); - /* - ** Re-initialize the DE4X5... + /* + ** Re-initialize the DE4X5... */ status = de4x5_init(dev); spin_lock_init(&lp->lock); lp->state = OPEN; de4x5_dbg_open(dev); - - if (request_irq(dev->irq, (void *)de4x5_interrupt, SA_SHIRQ, + + if (request_irq(dev->irq, (void *)de4x5_interrupt, SA_SHIRQ, lp->adapter_name, dev)) { printk("de4x5_open(): Requested IRQ%d is busy - attemping FAST/SHARE...", dev->irq); if (request_irq(dev->irq, de4x5_interrupt, SA_INTERRUPT | SA_SHIRQ, @@ -1340,11 +1340,11 @@ de4x5_open(struct net_device *dev) lp->interrupt = UNMASK_INTERRUPTS; dev->trans_start = jiffies; - + START_DE4X5; - + de4x5_setup_intr(dev); - + if (de4x5_debug & DEBUG_OPEN) { printk("\tsts: 0x%08x\n", inl(DE4X5_STS)); printk("\tbmr: 0x%08x\n", inl(DE4X5_BMR)); @@ -1355,7 +1355,7 @@ de4x5_open(struct net_device *dev) printk("\tstrr: 0x%08x\n", inl(DE4X5_STRR)); printk("\tsigr: 0x%08x\n", inl(DE4X5_SIGR)); } - + return status; } @@ -1369,15 +1369,15 @@ de4x5_open(struct net_device *dev) */ static int de4x5_init(struct net_device *dev) -{ +{ /* Lock out other processes whilst setting up the hardware */ netif_stop_queue(dev); - + de4x5_sw_reset(dev); - + /* Autoconfigure the connected port */ autoconf_media(dev); - + return 0; } @@ -1388,7 +1388,7 @@ de4x5_sw_reset(struct net_device *dev) u_long iobase = dev->base_addr; int i, j, status = 0; s32 bmr, omr; - + /* Select the MII or SRL port now and RESET the MAC */ if (!lp->useSROM) { if (lp->phy[lp->active].id != 0) { @@ -1399,7 +1399,7 @@ de4x5_sw_reset(struct net_device *dev) de4x5_switch_mac_port(dev); } - /* + /* ** Set the programmable burst length to 8 longwords for all the DC21140 ** Fasternet chips and 4 longwords for all others: DMA errors result ** without these values. Cache align 16 long. @@ -1416,23 +1416,23 @@ de4x5_sw_reset(struct net_device *dev) outl(lp->dma_rings, DE4X5_RRBA); outl(lp->dma_rings + NUM_RX_DESC * sizeof(struct de4x5_desc), DE4X5_TRBA); - + lp->rx_new = lp->rx_old = 0; lp->tx_new = lp->tx_old = 0; - + for (i = 0; i < lp->rxRingSize; i++) { lp->rx_ring[i].status = cpu_to_le32(R_OWN); } - + for (i = 0; i < lp->txRingSize; i++) { lp->tx_ring[i].status = cpu_to_le32(0); } - + barrier(); /* Build the setup frame depending on filtering mode */ SetMulticastFilter(dev); - + load_packet(dev, lp->setup_frame, PERFECT_F|TD_SET|SETUP_FRAME_LEN, (struct sk_buff *)1); outl(omr|OMR_ST, DE4X5_OMR); @@ -1445,18 +1445,18 @@ de4x5_sw_reset(struct net_device *dev) outl(omr, DE4X5_OMR); /* Stop everything! */ if (j == 0) { - printk("%s: Setup frame timed out, status %08x\n", dev->name, + printk("%s: Setup frame timed out, status %08x\n", dev->name, inl(DE4X5_STS)); status = -EIO; } - + lp->tx_new = (++lp->tx_new) % lp->txRingSize; lp->tx_old = lp->tx_new; return status; } -/* +/* ** Writes a socket buffer address to the next available transmit descriptor. */ static int @@ -1469,9 +1469,9 @@ de4x5_queue_pkt(struct sk_buff *skb, struct net_device *dev) netif_stop_queue(dev); if (lp->tx_enable == NO) { /* Cannot send for now */ - return -1; + return -1; } - + /* ** Clean out the TX ring asynchronously to interrupts - sometimes the ** interrupts are lost by delayed descriptor status updates relative to @@ -1482,7 +1482,7 @@ de4x5_queue_pkt(struct sk_buff *skb, struct net_device *dev) spin_unlock_irqrestore(&lp->lock, flags); /* Test if cache is already locked - requeue skb if so */ - if (test_and_set_bit(0, (void *)&lp->cache.lock) && !lp->interrupt) + if (test_and_set_bit(0, (void *)&lp->cache.lock) && !lp->interrupt) return -1; /* Transmit descriptor ring full or stale skb */ @@ -1509,10 +1509,10 @@ de4x5_queue_pkt(struct sk_buff *skb, struct net_device *dev) load_packet(dev, skb->data, TD_IC | TD_LS | TD_FS | skb->len, skb); lp->stats.tx_bytes += skb->len; outl(POLL_DEMAND, DE4X5_TPD);/* Start the TX */ - + lp->tx_new = (++lp->tx_new) % lp->txRingSize; dev->trans_start = jiffies; - + if (TX_BUFFS_AVAIL) { netif_start_queue(dev); /* Another pkt may be queued */ } @@ -1521,15 +1521,15 @@ de4x5_queue_pkt(struct sk_buff *skb, struct net_device *dev) } if (skb) de4x5_putb_cache(dev, skb); } - + lp->cache.lock = 0; return status; } /* -** The DE4X5 interrupt handler. -** +** The DE4X5 interrupt handler. +** ** I/O Read/Writes through intermediate PCI bridges are never 'posted', ** so that the asserted interrupt always has some real data to work with - ** if these I/O accesses are ever changed to memory accesses, ensure the @@ -1546,7 +1546,7 @@ de4x5_interrupt(int irq, void *dev_id, struct pt_regs *regs) s32 imr, omr, sts, limit; u_long iobase; unsigned int handled = 0; - + if (dev == NULL) { printk ("de4x5_interrupt(): irq %d for unknown device.\n", irq); return IRQ_NONE; @@ -1554,35 +1554,35 @@ de4x5_interrupt(int irq, void *dev_id, struct pt_regs *regs) lp = netdev_priv(dev); spin_lock(&lp->lock); iobase = dev->base_addr; - + DISABLE_IRQs; /* Ensure non re-entrancy */ if (test_and_set_bit(MASK_INTERRUPTS, (void*) &lp->interrupt)) printk("%s: Re-entering the interrupt handler.\n", dev->name); synchronize_irq(dev->irq); - + for (limit=0; limit<8; limit++) { sts = inl(DE4X5_STS); /* Read IRQ status */ outl(sts, DE4X5_STS); /* Reset the board interrupts */ - + if (!(sts & lp->irq_mask)) break;/* All done */ handled = 1; - + if (sts & (STS_RI | STS_RU)) /* Rx interrupt (packet[s] arrived) */ de4x5_rx(dev); - + if (sts & (STS_TI | STS_TU)) /* Tx interrupt (packet sent) */ - de4x5_tx(dev); - + de4x5_tx(dev); + if (sts & STS_LNF) { /* TP Link has failed */ lp->irq_mask &= ~IMR_LFM; } - + if (sts & STS_UNF) { /* Transmit underrun */ de4x5_txur(dev); } - + if (sts & STS_SE) { /* Bus Error */ STOP_DE4X5; printk("%s: Fatal bus error occurred, sts=%#8x, device stopped.\n", @@ -1603,7 +1603,7 @@ de4x5_interrupt(int irq, void *dev_id, struct pt_regs *regs) lp->interrupt = UNMASK_INTERRUPTS; ENABLE_IRQs; spin_unlock(&lp->lock); - + return IRQ_RETVAL(handled); } @@ -1614,11 +1614,11 @@ de4x5_rx(struct net_device *dev) u_long iobase = dev->base_addr; int entry; s32 status; - + for (entry=lp->rx_new; (s32)le32_to_cpu(lp->rx_ring[entry].status)>=0; entry=lp->rx_new) { status = (s32)le32_to_cpu(lp->rx_ring[entry].status); - + if (lp->rx_ovf) { if (inl(DE4X5_MFC) & MFC_FOCM) { de4x5_rx_ovfc(dev); @@ -1629,7 +1629,7 @@ de4x5_rx(struct net_device *dev) if (status & RD_FS) { /* Remember the start of frame */ lp->rx_old = entry; } - + if (status & RD_LS) { /* Valid frame status */ if (lp->tx_enable) lp->linkOK++; if (status & RD_ES) { /* There was an error. */ @@ -1646,9 +1646,9 @@ de4x5_rx(struct net_device *dev) struct sk_buff *skb; short pkt_len = (short)(le32_to_cpu(lp->rx_ring[entry].status) >> 16) - 4; - + if ((skb = de4x5_alloc_rx_buff(dev, entry, pkt_len)) == NULL) { - printk("%s: Insufficient memory; nuking packet.\n", + printk("%s: Insufficient memory; nuking packet.\n", dev->name); lp->stats.rx_dropped++; } else { @@ -1658,14 +1658,14 @@ de4x5_rx(struct net_device *dev) skb->protocol=eth_type_trans(skb,dev); de4x5_local_stats(dev, skb->data, pkt_len); netif_rx(skb); - + /* Update stats */ dev->last_rx = jiffies; lp->stats.rx_packets++; lp->stats.rx_bytes += pkt_len; } } - + /* Change buffer ownership for this frame, back to the adapter */ for (;lp->rx_old!=entry;lp->rx_old=(++lp->rx_old)%lp->rxRingSize) { lp->rx_ring[lp->rx_old].status = cpu_to_le32(R_OWN); @@ -1674,13 +1674,13 @@ de4x5_rx(struct net_device *dev) lp->rx_ring[entry].status = cpu_to_le32(R_OWN); barrier(); } - + /* ** Update entry information */ lp->rx_new = (++lp->rx_new) % lp->rxRingSize; } - + return 0; } @@ -1705,20 +1705,20 @@ de4x5_tx(struct net_device *dev) u_long iobase = dev->base_addr; int entry; s32 status; - + for (entry = lp->tx_old; entry != lp->tx_new; entry = lp->tx_old) { status = (s32)le32_to_cpu(lp->tx_ring[entry].status); if (status < 0) { /* Buffer not sent yet */ break; } else if (status != 0x7fffffff) { /* Not setup frame */ if (status & TD_ES) { /* An error happened */ - lp->stats.tx_errors++; + lp->stats.tx_errors++; if (status & TD_NC) lp->stats.tx_carrier_errors++; if (status & TD_LC) lp->stats.tx_window_errors++; if (status & TD_UF) lp->stats.tx_fifo_errors++; if (status & TD_EC) lp->pktStats.excessive_collisions++; if (status & TD_DE) lp->stats.tx_aborted_errors++; - + if (TX_PKT_PENDING) { outl(POLL_DEMAND, DE4X5_TPD);/* Restart a stalled TX */ } @@ -1727,14 +1727,14 @@ de4x5_tx(struct net_device *dev) if (lp->tx_enable) lp->linkOK++; } /* Update the collision counter */ - lp->stats.collisions += ((status & TD_EC) ? 16 : + lp->stats.collisions += ((status & TD_EC) ? 16 : ((status & TD_CC) >> 3)); /* Free the buffer. */ if (lp->tx_skb[entry] != NULL) de4x5_free_tx_buff(lp, entry); } - + /* Update all the pointers */ lp->tx_old = (++lp->tx_old) % lp->txRingSize; } @@ -1746,7 +1746,7 @@ de4x5_tx(struct net_device *dev) else netif_start_queue(dev); } - + return 0; } @@ -1755,9 +1755,9 @@ de4x5_ast(struct net_device *dev) { struct de4x5_private *lp = netdev_priv(dev); int next_tick = DE4X5_AUTOSENSE_MS; - + disable_ast(dev); - + if (lp->useSROM) { next_tick = srom_autoconf(dev); } else if (lp->chipset == DC21140) { @@ -1769,7 +1769,7 @@ de4x5_ast(struct net_device *dev) } lp->linkOK = 0; enable_ast(dev, next_tick); - + return 0; } @@ -1792,11 +1792,11 @@ de4x5_txur(struct net_device *dev) } outl(omr | OMR_ST | OMR_SR, DE4X5_OMR); } - + return 0; } -static int +static int de4x5_rx_ovfc(struct net_device *dev) { struct de4x5_private *lp = netdev_priv(dev); @@ -1813,7 +1813,7 @@ de4x5_rx_ovfc(struct net_device *dev) } outl(omr, DE4X5_OMR); - + return 0; } @@ -1823,22 +1823,22 @@ de4x5_close(struct net_device *dev) struct de4x5_private *lp = netdev_priv(dev); u_long iobase = dev->base_addr; s32 imr, omr; - + disable_ast(dev); netif_stop_queue(dev); - + if (de4x5_debug & DEBUG_CLOSE) { printk("%s: Shutting down ethercard, status was %8.8x.\n", dev->name, inl(DE4X5_STS)); } - - /* + + /* ** We stop the DE4X5 here... mask interrupts and stop TX & RX */ DISABLE_IRQs; STOP_DE4X5; - + /* Free the associated irq */ free_irq(dev->irq, dev); lp->state = CLOSED; @@ -1846,10 +1846,10 @@ de4x5_close(struct net_device *dev) /* Free any socket buffers */ de4x5_free_rx_buffs(dev); de4x5_free_tx_buffs(dev); - + /* Put the adapter to sleep to save power */ yawn(dev, SLEEP); - + return 0; } @@ -1858,9 +1858,9 @@ de4x5_get_stats(struct net_device *dev) { struct de4x5_private *lp = netdev_priv(dev); u_long iobase = dev->base_addr; - + lp->stats.rx_missed_errors = (int)(inl(DE4X5_MFC) & (MFC_OVFL | MFC_CNTR)); - + return &lp->stats; } @@ -1886,7 +1886,7 @@ de4x5_local_stats(struct net_device *dev, char *buf, int pkt_len) (*(s16 *)&buf[4] == *(s16 *)&dev->dev_addr[4])) { lp->pktStats.unicast++; } - + lp->pktStats.bins[0]++; /* Duplicates stats.rx_packets */ if (lp->pktStats.bins[0] == 0) { /* Reset counters */ memset((char *)&lp->pktStats, 0, sizeof(lp->pktStats)); @@ -1937,11 +1937,11 @@ set_multicast_list(struct net_device *dev) omr = inl(DE4X5_OMR); omr |= OMR_PR; outl(omr, DE4X5_OMR); - } else { + } else { SetMulticastFilter(dev); - load_packet(dev, lp->setup_frame, TD_IC | PERFECT_F | TD_SET | + load_packet(dev, lp->setup_frame, TD_IC | PERFECT_F | TD_SET | SETUP_FRAME_LEN, (struct sk_buff *)1); - + lp->tx_new = (++lp->tx_new) % lp->txRingSize; outl(POLL_DEMAND, DE4X5_TPD); /* Start the TX */ dev->trans_start = jiffies; @@ -1969,20 +1969,20 @@ SetMulticastFilter(struct net_device *dev) omr = inl(DE4X5_OMR); omr &= ~(OMR_PR | OMR_PM); pa = build_setup_frame(dev, ALL); /* Build the basic frame */ - + if ((dev->flags & IFF_ALLMULTI) || (dev->mc_count > 14)) { omr |= OMR_PM; /* Pass all multicasts */ } else if (lp->setup_f == HASH_PERF) { /* Hash Filtering */ for (i=0;i<dev->mc_count;i++) { /* for each address in the list */ addrs=dmi->dmi_addr; dmi=dmi->next; - if ((*addrs & 0x01) == 1) { /* multicast address? */ + if ((*addrs & 0x01) == 1) { /* multicast address? */ crc = ether_crc_le(ETH_ALEN, addrs); hashcode = crc & HASH_BITS; /* hashcode is 9 LSb of CRC */ - + byte = hashcode >> 3; /* bit[3-8] -> byte in filter */ bit = 1 << (hashcode & 0x07);/* bit[0-2] -> bit in byte */ - + byte <<= 1; /* calc offset into setup frame */ if (byte & 0x02) { byte -= 1; @@ -1994,14 +1994,14 @@ SetMulticastFilter(struct net_device *dev) for (j=0; j<dev->mc_count; j++) { addrs=dmi->dmi_addr; dmi=dmi->next; - for (i=0; i<ETH_ALEN; i++) { + for (i=0; i<ETH_ALEN; i++) { *(pa + (i&1)) = *addrs++; if (i & 0x01) pa += 4; } } } outl(omr, DE4X5_OMR); - + return; } @@ -2031,18 +2031,18 @@ static int __init de4x5_eisa_probe (struct device *gendev) status = -EBUSY; goto release_reg_1; } - + if (!(dev = alloc_etherdev (sizeof (struct de4x5_private)))) { status = -ENOMEM; goto release_reg_2; } lp = netdev_priv(dev); - + cfid = (u32) inl(PCI_CFID); lp->cfrv = (u_short) inl(PCI_CFRV); device = (cfid >> 8) & 0x00ffff00; vendor = (u_short) cfid; - + /* Read the EISA Configuration Registers */ regval = inb(EISA_REG0) & (ER0_INTL | ER0_INTT); #ifdef CONFIG_ALPHA @@ -2050,7 +2050,7 @@ static int __init de4x5_eisa_probe (struct device *gendev) * care about the EISA configuration, and thus doesn't * configure the PLX bridge properly. Oh well... Simply mimic * the EISA config file to sort it out. */ - + /* EISA REG1: Assert DecChip 21040 HW Reset */ outb (ER1_IAM | 1, EISA_REG1); mdelay (1); @@ -2061,12 +2061,12 @@ static int __init de4x5_eisa_probe (struct device *gendev) /* EISA REG3: R/W Burst Transfer Enable */ outb (ER3_BWE | ER3_BRE, EISA_REG3); - + /* 32_bit slave/master, Preempt Time=23 bclks, Unlatched Interrupt */ outb (ER0_BSW | ER0_BMW | ER0_EPT | regval, EISA_REG0); #endif irq = de4x5_irq[(regval >> 1) & 0x03]; - + if (is_DC2114x) { device = ((lp->cfrv & CFRV_RN) < DC2114x_BRK ? DC21142 : DC21143); } @@ -2077,7 +2077,7 @@ static int __init de4x5_eisa_probe (struct device *gendev) outl(PCI_COMMAND_IO | PCI_COMMAND_MASTER, PCI_CFCS); outl(0x00006000, PCI_CFLT); outl(iobase, PCI_CBIO); - + DevicePresent(dev, EISA_APROM); dev->irq = irq; @@ -2102,7 +2102,7 @@ static int __devexit de4x5_eisa_remove (struct device *device) dev = device->driver_data; iobase = dev->base_addr; - + unregister_netdev (dev); free_netdev (dev); release_region (iobase + DE4X5_EISA_IO_PORTS, DE4X5_EISA_TOTAL_SIZE); @@ -2131,11 +2131,11 @@ MODULE_DEVICE_TABLE(eisa, de4x5_eisa_ids); /* ** This function searches the current bus (which is >0) for a DECchip with an -** SROM, so that in multiport cards that have one SROM shared between multiple +** SROM, so that in multiport cards that have one SROM shared between multiple ** DECchips, we can find the base SROM irrespective of the BIOS scan direction. ** For single port cards this is a time waster... */ -static void __devinit +static void __devinit srom_search(struct net_device *dev, struct pci_dev *pdev) { u_char pb; @@ -2163,7 +2163,7 @@ srom_search(struct net_device *dev, struct pci_dev *pdev) /* Set the device number information */ lp->device = PCI_SLOT(this_dev->devfn); lp->bus_num = pb; - + /* Set the chipset information */ if (is_DC2114x) { device = ((cfrv & CFRV_RN) < DC2114x_BRK ? DC21142 : DC21143); @@ -2176,7 +2176,7 @@ srom_search(struct net_device *dev, struct pci_dev *pdev) /* Fetch the IRQ to be used */ irq = this_dev->irq; if ((irq == 0) || (irq == 0xff) || ((int)irq == -1)) continue; - + /* Check if I/O accesses are enabled */ pci_read_config_word(this_dev, PCI_COMMAND, &status); if (!(status & PCI_COMMAND_IO)) continue; @@ -2254,7 +2254,7 @@ static int __devinit de4x5_pci_probe (struct pci_dev *pdev, lp = netdev_priv(dev); lp->bus = PCI; lp->bus_num = 0; - + /* Search for an SROM on this bus */ if (lp->bus_num != pb) { lp->bus_num = pb; @@ -2267,7 +2267,7 @@ static int __devinit de4x5_pci_probe (struct pci_dev *pdev, /* Set the device number information */ lp->device = dev_num; lp->bus_num = pb; - + /* Set the chipset information */ if (is_DC2114x) { device = ((lp->cfrv & CFRV_RN) < DC2114x_BRK ? DC21142 : DC21143); @@ -2283,7 +2283,7 @@ static int __devinit de4x5_pci_probe (struct pci_dev *pdev, error = -ENODEV; goto free_dev; } - + /* Check if I/O accesses and Bus Mastering are enabled */ pci_read_config_word(pdev, PCI_COMMAND, &status); #ifdef __powerpc__ @@ -2322,7 +2322,7 @@ static int __devinit de4x5_pci_probe (struct pci_dev *pdev, } dev->irq = irq; - + if ((error = de4x5_hw_init(dev, iobase, &pdev->dev))) { goto release; } @@ -2377,7 +2377,7 @@ static struct pci_driver de4x5_pci_driver = { ** Auto configure the media here rather than setting the port at compile ** time. This routine is called by de4x5_init() and when a loss of media is ** detected (excessive collisions, loss of carrier, no carrier or link fail -** [TP] or no recent receive activity) to check whether the user has been +** [TP] or no recent receive activity) to check whether the user has been ** sneaky and changed the port on us. */ static int @@ -2405,7 +2405,7 @@ autoconf_media(struct net_device *dev) } enable_ast(dev, next_tick); - + return (lp->media); } @@ -2428,7 +2428,7 @@ dc21040_autoconf(struct net_device *dev) u_long iobase = dev->base_addr; int next_tick = DE4X5_AUTOSENSE_MS; s32 imr; - + switch (lp->media) { case INIT: DISABLE_IRQs; @@ -2447,36 +2447,36 @@ dc21040_autoconf(struct net_device *dev) lp->local_state = 0; next_tick = dc21040_autoconf(dev); break; - + case TP: - next_tick = dc21040_state(dev, 0x8f01, 0xffff, 0x0000, 3000, BNC_AUI, + next_tick = dc21040_state(dev, 0x8f01, 0xffff, 0x0000, 3000, BNC_AUI, TP_SUSPECT, test_tp); break; - + case TP_SUSPECT: next_tick = de4x5_suspect_state(dev, 1000, TP, test_tp, dc21040_autoconf); break; - + case BNC: case AUI: case BNC_AUI: - next_tick = dc21040_state(dev, 0x8f09, 0x0705, 0x0006, 3000, EXT_SIA, + next_tick = dc21040_state(dev, 0x8f09, 0x0705, 0x0006, 3000, EXT_SIA, BNC_AUI_SUSPECT, ping_media); break; - + case BNC_AUI_SUSPECT: next_tick = de4x5_suspect_state(dev, 1000, BNC_AUI, ping_media, dc21040_autoconf); break; - + case EXT_SIA: - next_tick = dc21040_state(dev, 0x3041, 0x0000, 0x0006, 3000, + next_tick = dc21040_state(dev, 0x3041, 0x0000, 0x0006, 3000, NC, EXT_SIA_SUSPECT, ping_media); break; - + case EXT_SIA_SUSPECT: next_tick = de4x5_suspect_state(dev, 1000, EXT_SIA, ping_media, dc21040_autoconf); break; - + case NC: /* default to TP for all */ reset_init_sia(dev, 0x8f01, 0xffff, 0x0000); @@ -2488,13 +2488,13 @@ dc21040_autoconf(struct net_device *dev) lp->tx_enable = NO; break; } - + return next_tick; } static int dc21040_state(struct net_device *dev, int csr13, int csr14, int csr15, int timeout, - int next_state, int suspect_state, + int next_state, int suspect_state, int (*fn)(struct net_device *, int)) { struct de4x5_private *lp = netdev_priv(dev); @@ -2507,7 +2507,7 @@ dc21040_state(struct net_device *dev, int csr13, int csr14, int csr15, int timeo lp->local_state++; next_tick = 500; break; - + case 1: if (!lp->tx_enable) { linkBad = fn(dev, timeout); @@ -2527,7 +2527,7 @@ dc21040_state(struct net_device *dev, int csr13, int csr14, int csr15, int timeo } break; } - + return next_tick; } @@ -2582,7 +2582,7 @@ dc21041_autoconf(struct net_device *dev) u_long iobase = dev->base_addr; s32 sts, irqs, irq_mask, imr, omr; int next_tick = DE4X5_AUTOSENSE_MS; - + switch (lp->media) { case INIT: DISABLE_IRQs; @@ -2603,7 +2603,7 @@ dc21041_autoconf(struct net_device *dev) lp->local_state = 0; next_tick = dc21041_autoconf(dev); break; - + case TP_NW: if (lp->timeout < 0) { omr = inl(DE4X5_OMR);/* Set up full duplex for the autonegotiate */ @@ -2623,7 +2623,7 @@ dc21041_autoconf(struct net_device *dev) next_tick = dc21041_autoconf(dev); } break; - + case ANS: if (!lp->tx_enable) { irqs = STS_LNP; @@ -2645,11 +2645,11 @@ dc21041_autoconf(struct net_device *dev) next_tick = 3000; } break; - + case ANS_SUSPECT: next_tick = de4x5_suspect_state(dev, 1000, ANS, test_tp, dc21041_autoconf); break; - + case TP: if (!lp->tx_enable) { if (lp->timeout < 0) { @@ -2679,11 +2679,11 @@ dc21041_autoconf(struct net_device *dev) next_tick = 3000; } break; - + case TP_SUSPECT: next_tick = de4x5_suspect_state(dev, 1000, TP, test_tp, dc21041_autoconf); break; - + case AUI: if (!lp->tx_enable) { if (lp->timeout < 0) { @@ -2709,11 +2709,11 @@ dc21041_autoconf(struct net_device *dev) next_tick = 3000; } break; - + case AUI_SUSPECT: next_tick = de4x5_suspect_state(dev, 1000, AUI, ping_media, dc21041_autoconf); break; - + case BNC: switch (lp->local_state) { case 0: @@ -2731,7 +2731,7 @@ dc21041_autoconf(struct net_device *dev) next_tick = dc21041_autoconf(dev); } break; - + case 1: if (!lp->tx_enable) { if ((sts = ping_media(dev, 3000)) < 0) { @@ -2751,11 +2751,11 @@ dc21041_autoconf(struct net_device *dev) break; } break; - + case BNC_SUSPECT: next_tick = de4x5_suspect_state(dev, 1000, BNC, ping_media, dc21041_autoconf); break; - + case NC: omr = inl(DE4X5_OMR); /* Set up full duplex for the autonegotiate */ outl(omr | OMR_FDX, DE4X5_OMR); @@ -2768,7 +2768,7 @@ dc21041_autoconf(struct net_device *dev) lp->tx_enable = NO; break; } - + return next_tick; } @@ -2784,9 +2784,9 @@ dc21140m_autoconf(struct net_device *dev) int ana, anlpa, cap, cr, slnk, sr; int next_tick = DE4X5_AUTOSENSE_MS; u_long imr, omr, iobase = dev->base_addr; - + switch(lp->media) { - case INIT: + case INIT: if (lp->timeout < 0) { DISABLE_IRQs; lp->tx_enable = FALSE; @@ -2813,7 +2813,7 @@ dc21140m_autoconf(struct net_device *dev) lp->media = _100Mb; } else if (lp->autosense == _10Mb) { lp->media = _10Mb; - } else if ((lp->autosense == AUTO) && + } else if ((lp->autosense == AUTO) && ((sr=is_anc_capable(dev)) & MII_SR_ANC)) { ana = (((sr >> 6) & MII_ANA_TAF) | MII_ANA_CSMA); ana &= (lp->fdx ? ~0 : ~MII_ANA_FDAM); @@ -2831,7 +2831,7 @@ dc21140m_autoconf(struct net_device *dev) next_tick = dc21140m_autoconf(dev); } break; - + case ANS: switch (lp->local_state) { case 0: @@ -2851,7 +2851,7 @@ dc21140m_autoconf(struct net_device *dev) next_tick = dc21140m_autoconf(dev); } break; - + case 1: if ((sr=test_mii_reg(dev, MII_SR, MII_SR_ASSC, TRUE, 2000)) < 0) { next_tick = sr & ~TIMER_CB; @@ -2862,7 +2862,7 @@ dc21140m_autoconf(struct net_device *dev) lp->tmp = MII_SR_ASSC; anlpa = mii_rd(MII_ANLPA, lp->phy[lp->active].addr, DE4X5_MII); ana = mii_rd(MII_ANA, lp->phy[lp->active].addr, DE4X5_MII); - if (!(anlpa & MII_ANLPA_RF) && + if (!(anlpa & MII_ANLPA_RF) && (cap = anlpa & MII_ANLPA_TAF & ana)) { if (cap & MII_ANA_100M) { lp->fdx = ((ana & anlpa & MII_ANA_FDAM & MII_ANA_100M) ? TRUE : FALSE); @@ -2879,10 +2879,10 @@ dc21140m_autoconf(struct net_device *dev) break; } break; - + case SPD_DET: /* Choose 10Mb/s or 100Mb/s */ if (lp->timeout < 0) { - lp->tmp = (lp->phy[lp->active].id ? MII_SR_LKS : + lp->tmp = (lp->phy[lp->active].id ? MII_SR_LKS : (~gep_rd(dev) & GEP_LNP)); SET_100Mb_PDET; } @@ -2899,7 +2899,7 @@ dc21140m_autoconf(struct net_device *dev) next_tick = dc21140m_autoconf(dev); } break; - + case _100Mb: /* Set 100Mb/s */ next_tick = 3000; if (!lp->tx_enable) { @@ -2933,7 +2933,7 @@ dc21140m_autoconf(struct net_device *dev) } } break; - + case NC: if (lp->media != lp->c_media) { de4x5_dbg_media(dev); @@ -2943,7 +2943,7 @@ dc21140m_autoconf(struct net_device *dev) lp->tx_enable = FALSE; break; } - + return next_tick; } @@ -3002,7 +3002,7 @@ dc2114x_autoconf(struct net_device *dev) lp->media = AUI; } else { lp->media = SPD_DET; - if ((lp->infoblock_media == ANS) && + if ((lp->infoblock_media == ANS) && ((sr=is_anc_capable(dev)) & MII_SR_ANC)) { ana = (((sr >> 6) & MII_ANA_TAF) | MII_ANA_CSMA); ana &= (lp->fdx ? ~0 : ~MII_ANA_FDAM); @@ -3014,7 +3014,7 @@ dc2114x_autoconf(struct net_device *dev) next_tick = dc2114x_autoconf(dev); } break; - + case ANS: switch (lp->local_state) { case 0: @@ -3034,7 +3034,7 @@ dc2114x_autoconf(struct net_device *dev) next_tick = dc2114x_autoconf(dev); } break; - + case 1: if ((sr=test_mii_reg(dev, MII_SR, MII_SR_ASSC, TRUE, 2000)) < 0) { next_tick = sr & ~TIMER_CB; @@ -3045,7 +3045,7 @@ dc2114x_autoconf(struct net_device *dev) lp->tmp = MII_SR_ASSC; anlpa = mii_rd(MII_ANLPA, lp->phy[lp->active].addr, DE4X5_MII); ana = mii_rd(MII_ANA, lp->phy[lp->active].addr, DE4X5_MII); - if (!(anlpa & MII_ANLPA_RF) && + if (!(anlpa & MII_ANLPA_RF) && (cap = anlpa & MII_ANLPA_TAF & ana)) { if (cap & MII_ANA_100M) { lp->fdx = ((ana & anlpa & MII_ANA_FDAM & MII_ANA_100M) ? TRUE : FALSE); @@ -3087,11 +3087,11 @@ dc2114x_autoconf(struct net_device *dev) next_tick = 3000; } break; - + case AUI_SUSPECT: next_tick = de4x5_suspect_state(dev, 1000, AUI, ping_media, dc2114x_autoconf); break; - + case BNC: switch (lp->local_state) { case 0: @@ -3109,7 +3109,7 @@ dc2114x_autoconf(struct net_device *dev) next_tick = dc2114x_autoconf(dev); } break; - + case 1: if (!lp->tx_enable) { if ((sts = ping_media(dev, 3000)) < 0) { @@ -3130,11 +3130,11 @@ dc2114x_autoconf(struct net_device *dev) break; } break; - + case BNC_SUSPECT: next_tick = de4x5_suspect_state(dev, 1000, BNC, ping_media, dc2114x_autoconf); break; - + case SPD_DET: /* Choose 10Mb/s or 100Mb/s */ if (srom_map_media(dev) < 0) { lp->tcount++; @@ -3161,7 +3161,7 @@ dc2114x_autoconf(struct net_device *dev) next_tick = dc2114x_autoconf(dev); } else if (((lp->media == _100Mb) && is_100_up(dev)) || (((lp->media == _10Mb) || (lp->media == TP) || - (lp->media == BNC) || (lp->media == AUI)) && + (lp->media == BNC) || (lp->media == AUI)) && is_10_up(dev))) { next_tick = dc2114x_autoconf(dev); } else { @@ -3169,7 +3169,7 @@ dc2114x_autoconf(struct net_device *dev) lp->media = INIT; } break; - + case _10Mb: next_tick = 3000; if (!lp->tx_enable) { @@ -3208,7 +3208,7 @@ printk("Huh?: media:%02x\n", lp->media); lp->media = INIT; break; } - + return next_tick; } @@ -3231,7 +3231,7 @@ srom_map_media(struct net_device *dev) struct de4x5_private *lp = netdev_priv(dev); lp->fdx = 0; - if (lp->infoblock_media == lp->media) + if (lp->infoblock_media == lp->media) return 0; switch(lp->infoblock_media) { @@ -3270,7 +3270,7 @@ srom_map_media(struct net_device *dev) case SROM_100BASEFF: if (!lp->params.fdx) return -1; lp->fdx = TRUE; - case SROM_100BASEF: + case SROM_100BASEF: if (lp->params.fdx && !lp->fdx) return -1; lp->media = _100Mb; break; @@ -3280,8 +3280,8 @@ srom_map_media(struct net_device *dev) lp->fdx = lp->params.fdx; break; - default: - printk("%s: Bad media code [%d] detected in SROM!\n", dev->name, + default: + printk("%s: Bad media code [%d] detected in SROM!\n", dev->name, lp->infoblock_media); return -1; break; @@ -3359,7 +3359,7 @@ test_media(struct net_device *dev, s32 irqs, s32 irq_mask, s32 csr13, s32 csr14, struct de4x5_private *lp = netdev_priv(dev); u_long iobase = dev->base_addr; s32 sts, csr12; - + if (lp->timeout < 0) { lp->timeout = msec/100; if (!lp->useSROM) { /* Already done if by SROM, else dc2104[01] */ @@ -3372,22 +3372,22 @@ test_media(struct net_device *dev, s32 irqs, s32 irq_mask, s32 csr13, s32 csr14, /* clear all pending interrupts */ sts = inl(DE4X5_STS); outl(sts, DE4X5_STS); - + /* clear csr12 NRA and SRA bits */ if ((lp->chipset == DC21041) || lp->useSROM) { csr12 = inl(DE4X5_SISR); outl(csr12, DE4X5_SISR); } } - + sts = inl(DE4X5_STS) & ~TIMER_CB; - + if (!(sts & irqs) && --lp->timeout) { sts = 100 | TIMER_CB; } else { lp->timeout = -1; } - + return sts; } @@ -3397,11 +3397,11 @@ test_tp(struct net_device *dev, s32 msec) struct de4x5_private *lp = netdev_priv(dev); u_long iobase = dev->base_addr; int sisr; - + if (lp->timeout < 0) { lp->timeout = msec/100; } - + sisr = (inl(DE4X5_SISR) & ~TIMER_CB) & (SISR_LKF | SISR_NCR); if (sisr && --lp->timeout) { @@ -3409,7 +3409,7 @@ test_tp(struct net_device *dev, s32 msec) } else { lp->timeout = -1; } - + return sisr; } @@ -3436,7 +3436,7 @@ test_for_100Mb(struct net_device *dev, int msec) lp->timeout = msec/SAMPLE_INTERVAL; } } - + if (lp->phy[lp->active].id || lp->useSROM) { gep = is_100_up(dev) | is_spd_100(dev); } else { @@ -3447,7 +3447,7 @@ test_for_100Mb(struct net_device *dev, int msec) } else { lp->timeout = -1; } - + return gep; } @@ -3459,13 +3459,13 @@ wait_for_link(struct net_device *dev) if (lp->timeout < 0) { lp->timeout = 1; } - + if (lp->timeout--) { return TIMER_CB; } else { lp->timeout = -1; } - + return 0; } @@ -3479,21 +3479,21 @@ test_mii_reg(struct net_device *dev, int reg, int mask, int pol, long msec) struct de4x5_private *lp = netdev_priv(dev); int test; u_long iobase = dev->base_addr; - + if (lp->timeout < 0) { lp->timeout = msec/100; } - + if (pol) pol = ~0; reg = mii_rd((u_char)reg, lp->phy[lp->active].addr, DE4X5_MII) & mask; test = (reg ^ pol) & mask; - + if (test && --lp->timeout) { reg = 100 | TIMER_CB; } else { lp->timeout = -1; } - + return reg; } @@ -3503,7 +3503,7 @@ is_spd_100(struct net_device *dev) struct de4x5_private *lp = netdev_priv(dev); u_long iobase = dev->base_addr; int spd; - + if (lp->useMII) { spd = mii_rd(lp->phy[lp->active].spd.reg, lp->phy[lp->active].addr, DE4X5_MII); spd = ~(spd ^ lp->phy[lp->active].spd.value); @@ -3517,7 +3517,7 @@ is_spd_100(struct net_device *dev) spd = (lp->asBitValid & (lp->asPolarity ^ (gep_rd(dev) & lp->asBit))) | (lp->linkOK & ~lp->asBitValid); } - + return spd; } @@ -3526,7 +3526,7 @@ is_100_up(struct net_device *dev) { struct de4x5_private *lp = netdev_priv(dev); u_long iobase = dev->base_addr; - + if (lp->useMII) { /* Double read for sticky bits & temporary drops */ mii_rd(MII_SR, lp->phy[lp->active].addr, DE4X5_MII); @@ -3547,7 +3547,7 @@ is_10_up(struct net_device *dev) { struct de4x5_private *lp = netdev_priv(dev); u_long iobase = dev->base_addr; - + if (lp->useMII) { /* Double read for sticky bits & temporary drops */ mii_rd(MII_SR, lp->phy[lp->active].addr, DE4X5_MII); @@ -3570,7 +3570,7 @@ is_anc_capable(struct net_device *dev) { struct de4x5_private *lp = netdev_priv(dev); u_long iobase = dev->base_addr; - + if (lp->phy[lp->active].id && (!lp->useSROM || lp->useMII)) { return (mii_rd(MII_SR, lp->phy[lp->active].addr, DE4X5_MII)); } else if ((lp->chipset & ~0x00ff) == DC2114x) { @@ -3590,24 +3590,24 @@ ping_media(struct net_device *dev, int msec) struct de4x5_private *lp = netdev_priv(dev); u_long iobase = dev->base_addr; int sisr; - + if (lp->timeout < 0) { lp->timeout = msec/100; - + lp->tmp = lp->tx_new; /* Remember the ring position */ load_packet(dev, lp->frame, TD_LS | TD_FS | sizeof(lp->frame), (struct sk_buff *)1); lp->tx_new = (++lp->tx_new) % lp->txRingSize; outl(POLL_DEMAND, DE4X5_TPD); } - + sisr = inl(DE4X5_SISR); - if ((!(sisr & SISR_NCR)) && - ((s32)le32_to_cpu(lp->tx_ring[lp->tmp].status) < 0) && + if ((!(sisr & SISR_NCR)) && + ((s32)le32_to_cpu(lp->tx_ring[lp->tmp].status) < 0) && (--lp->timeout)) { sisr = 100 | TIMER_CB; } else { - if ((!(sisr & SISR_NCR)) && + if ((!(sisr & SISR_NCR)) && !(le32_to_cpu(lp->tx_ring[lp->tmp].status) & (T_OWN | TD_ES)) && lp->timeout) { sisr = 0; @@ -3616,7 +3616,7 @@ ping_media(struct net_device *dev, int msec) } lp->timeout = -1; } - + return sisr; } @@ -3668,7 +3668,7 @@ de4x5_alloc_rx_buff(struct net_device *dev, int index, int len) } else { /* Linear buffer */ memcpy(skb_put(p,len),lp->rx_bufs + lp->rx_old * RX_BUFF_SZ,len); } - + return p; #endif } @@ -3751,23 +3751,23 @@ de4x5_rst_desc_ring(struct net_device *dev) outl(lp->dma_rings, DE4X5_RRBA); outl(lp->dma_rings + NUM_RX_DESC * sizeof(struct de4x5_desc), DE4X5_TRBA); - + lp->rx_new = lp->rx_old = 0; lp->tx_new = lp->tx_old = 0; - + for (i = 0; i < lp->rxRingSize; i++) { lp->rx_ring[i].status = cpu_to_le32(R_OWN); } - + for (i = 0; i < lp->txRingSize; i++) { lp->tx_ring[i].status = cpu_to_le32(0); } - + barrier(); lp->cache.save_cnt--; START_DE4X5; } - + return; } @@ -3792,7 +3792,7 @@ de4x5_cache_state(struct net_device *dev, int flag) gep_wr(lp->cache.gepc, dev); gep_wr(lp->cache.gep, dev); } else { - reset_init_sia(dev, lp->cache.csr13, lp->cache.csr14, + reset_init_sia(dev, lp->cache.csr13, lp->cache.csr14, lp->cache.csr15); } break; @@ -3854,25 +3854,25 @@ test_ans(struct net_device *dev, s32 irqs, s32 irq_mask, s32 msec) struct de4x5_private *lp = netdev_priv(dev); u_long iobase = dev->base_addr; s32 sts, ans; - + if (lp->timeout < 0) { lp->timeout = msec/100; outl(irq_mask, DE4X5_IMR); - + /* clear all pending interrupts */ sts = inl(DE4X5_STS); outl(sts, DE4X5_STS); } - + ans = inl(DE4X5_SISR) & SISR_ANS; sts = inl(DE4X5_STS) & ~TIMER_CB; - + if (!(sts & irqs) && (ans ^ ANS_NWOK) && --lp->timeout) { sts = 100 | TIMER_CB; } else { lp->timeout = -1; } - + return sts; } @@ -3882,7 +3882,7 @@ de4x5_setup_intr(struct net_device *dev) struct de4x5_private *lp = netdev_priv(dev); u_long iobase = dev->base_addr; s32 imr, sts; - + if (inl(DE4X5_OMR) & OMR_SR) { /* Only unmask if TX/RX is enabled */ imr = 0; UNMASK_IRQs; @@ -3890,7 +3890,7 @@ de4x5_setup_intr(struct net_device *dev) outl(sts, DE4X5_STS); ENABLE_IRQs; } - + return; } @@ -3936,17 +3936,17 @@ create_packet(struct net_device *dev, char *frame, int len) { int i; char *buf = frame; - + for (i=0; i<ETH_ALEN; i++) { /* Use this source address */ *buf++ = dev->dev_addr[i]; } for (i=0; i<ETH_ALEN; i++) { /* Use this destination address */ *buf++ = dev->dev_addr[i]; } - + *buf++ = 0; /* Packet length (2 bytes) */ *buf++ = 1; - + return; } @@ -3978,7 +3978,7 @@ static int PCI_signature(char *name, struct de4x5_private *lp) { int i, status = 0, siglen = sizeof(de4x5_signatures)/sizeof(c_char *); - + if (lp->chipset == DC21040) { strcpy(name, "DE434/5"); return status; @@ -4007,7 +4007,7 @@ PCI_signature(char *name, struct de4x5_private *lp) } else if ((lp->chipset & ~0x00ff) == DC2114x) { lp->useSROM = TRUE; } - + return status; } @@ -4024,7 +4024,7 @@ DevicePresent(struct net_device *dev, u_long aprom_addr) { int i, j=0; struct de4x5_private *lp = netdev_priv(dev); - + if (lp->chipset == DC21040) { if (lp->bus == EISA) { enet_addr_rst(aprom_addr); /* Reset Ethernet Address ROM Pointer */ @@ -4049,7 +4049,7 @@ DevicePresent(struct net_device *dev, u_long aprom_addr) } de4x5_dbg_srom((struct de4x5_srom *)&lp->srom); } - + return; } @@ -4071,11 +4071,11 @@ enet_addr_rst(u_long aprom_addr) short sigLength=0; s8 data; int i, j; - + dev.llsig.a = ETH_PROM_SIG; dev.llsig.b = ETH_PROM_SIG; sigLength = sizeof(u32) << 1; - + for (i=0,j=0;j<sigLength && i<PROBE_LENGTH+sigLength-1;i++) { data = inb(aprom_addr); if (dev.Sig[j] == data) { /* track signature */ @@ -4088,7 +4088,7 @@ enet_addr_rst(u_long aprom_addr) } } } - + return; } @@ -4111,7 +4111,7 @@ get_hw_addr(struct net_device *dev) for (i=0,k=0,j=0;j<3;j++) { k <<= 1; if (k > 0xffff) k-=0xffff; - + if (lp->bus == PCI) { if (lp->chipset == DC21040) { while ((tmp = inl(DE4X5_APROM)) < 0); @@ -4133,11 +4133,11 @@ get_hw_addr(struct net_device *dev) k += (u_short) ((tmp = inb(EISA_APROM)) << 8); dev->dev_addr[i++] = (u_char) tmp; } - + if (k > 0xffff) k-=0xffff; } if (k == 0xffff) k=0; - + if (lp->bus == PCI) { if (lp->chipset == DC21040) { while ((tmp = inl(DE4X5_APROM)) < 0); @@ -4156,7 +4156,7 @@ get_hw_addr(struct net_device *dev) srom_repair(dev, broken); #ifdef CONFIG_PPC_MULTIPLATFORM - /* + /* ** If the address starts with 00 a0, we have to bit-reverse ** each byte of the address. */ @@ -4245,7 +4245,7 @@ test_bad_enet(struct net_device *dev, int status) for (tmp=0,i=0; i<ETH_ALEN; i++) tmp += (u_char)dev->dev_addr[i]; if ((tmp == 0) || (tmp == 0x5fa)) { - if ((lp->chipset == last.chipset) && + if ((lp->chipset == last.chipset) && (lp->bus_num == last.bus) && (lp->bus_num > 0)) { for (i=0; i<ETH_ALEN; i++) dev->dev_addr[i] = last.addr[i]; for (i=ETH_ALEN-1; i>2; --i) { @@ -4275,7 +4275,7 @@ test_bad_enet(struct net_device *dev, int status) static int an_exception(struct de4x5_private *lp) { - if ((*(u_short *)lp->srom.sub_vendor_id == 0x00c0) && + if ((*(u_short *)lp->srom.sub_vendor_id == 0x00c0) && (*(u_short *)lp->srom.sub_system_id == 0x95e0)) { return -1; } @@ -4290,11 +4290,11 @@ static short srom_rd(u_long addr, u_char offset) { sendto_srom(SROM_RD | SROM_SR, addr); - + srom_latch(SROM_RD | SROM_SR | DT_CS, addr); srom_command(SROM_RD | SROM_SR | DT_IN | DT_CS, addr); srom_address(SROM_RD | SROM_SR | DT_CS, addr, offset); - + return srom_data(SROM_RD | SROM_SR | DT_CS, addr); } @@ -4304,7 +4304,7 @@ srom_latch(u_int command, u_long addr) sendto_srom(command, addr); sendto_srom(command | DT_CLK, addr); sendto_srom(command, addr); - + return; } @@ -4314,7 +4314,7 @@ srom_command(u_int command, u_long addr) srom_latch(command, addr); srom_latch(command, addr); srom_latch((command & 0x0000ff00) | DT_CS, addr); - + return; } @@ -4322,15 +4322,15 @@ static void srom_address(u_int command, u_long addr, u_char offset) { int i, a; - + a = offset << 2; for (i=0; i<6; i++, a <<= 1) { srom_latch(command | ((a & 0x80) ? DT_IN : 0), addr); } udelay(1); - + i = (getfrom_srom(addr) >> 3) & 0x01; - + return; } @@ -4340,17 +4340,17 @@ srom_data(u_int command, u_long addr) int i; short word = 0; s32 tmp; - + for (i=0; i<16; i++) { sendto_srom(command | DT_CLK, addr); tmp = getfrom_srom(addr); sendto_srom(command, addr); - + word = (word << 1) | ((tmp >> 3) & 0x01); } - + sendto_srom(command & 0x0000ff00, addr); - + return word; } @@ -4359,13 +4359,13 @@ static void srom_busy(u_int command, u_long addr) { sendto_srom((command & 0x0000ff00) | DT_CS, addr); - + while (!((getfrom_srom(addr) >> 3) & 0x01)) { mdelay(1); } - + sendto_srom(command & 0x0000ff00, addr); - + return; } */ @@ -4375,7 +4375,7 @@ sendto_srom(u_int command, u_long addr) { outl(command, addr); udelay(1); - + return; } @@ -4383,10 +4383,10 @@ static int getfrom_srom(u_long addr) { s32 tmp; - + tmp = inl(addr); udelay(1); - + return tmp; } @@ -4403,7 +4403,7 @@ srom_infoleaf_info(struct net_device *dev) } if (i == INFOLEAF_SIZE) { lp->useSROM = FALSE; - printk("%s: Cannot find correct chipset for SROM decoding!\n", + printk("%s: Cannot find correct chipset for SROM decoding!\n", dev->name); return -ENXIO; } @@ -4420,7 +4420,7 @@ srom_infoleaf_info(struct net_device *dev) } if (i == 0) { lp->useSROM = FALSE; - printk("%s: Cannot find correct PCI device [%d] for SROM decoding!\n", + printk("%s: Cannot find correct PCI device [%d] for SROM decoding!\n", dev->name, lp->device); return -ENXIO; } @@ -4494,9 +4494,9 @@ srom_exec(struct net_device *dev, u_char *p) if (((lp->ibn != 1) && (lp->ibn != 3) && (lp->ibn != 5)) || !count) return; if (lp->chipset != DC21140) RESET_SIA; - + while (count--) { - gep_wr(((lp->chipset==DC21140) && (lp->ibn!=5) ? + gep_wr(((lp->chipset==DC21140) && (lp->ibn!=5) ? *p++ : TWIDDLE(w++)), dev); mdelay(2); /* 2ms per action */ } @@ -4514,13 +4514,13 @@ srom_exec(struct net_device *dev, u_char *p) ** unless I implement the DC21041 SROM functions. There's no need ** since the existing code will be satisfactory for all boards. */ -static int +static int dc21041_infoleaf(struct net_device *dev) { return DE4X5_AUTOSENSE_MS; } -static int +static int dc21140_infoleaf(struct net_device *dev) { struct de4x5_private *lp = netdev_priv(dev); @@ -4558,7 +4558,7 @@ dc21140_infoleaf(struct net_device *dev) return next_tick & ~TIMER_CB; } -static int +static int dc21142_infoleaf(struct net_device *dev) { struct de4x5_private *lp = netdev_priv(dev); @@ -4593,7 +4593,7 @@ dc21142_infoleaf(struct net_device *dev) return next_tick & ~TIMER_CB; } -static int +static int dc21143_infoleaf(struct net_device *dev) { struct de4x5_private *lp = netdev_priv(dev); @@ -4631,7 +4631,7 @@ dc21143_infoleaf(struct net_device *dev) ** The compact infoblock is only designed for DC21140[A] chips, so ** we'll reuse the dc21140m_autoconf function. Non MII media only. */ -static int +static int compact_infoblock(struct net_device *dev, u_char count, u_char *p) { struct de4x5_private *lp = netdev_priv(dev); @@ -4671,7 +4671,7 @@ compact_infoblock(struct net_device *dev, u_char count, u_char *p) /* ** This block describes non MII media for the DC21140[A] only. */ -static int +static int type0_infoblock(struct net_device *dev, u_char count, u_char *p) { struct de4x5_private *lp = netdev_priv(dev); @@ -4711,7 +4711,7 @@ type0_infoblock(struct net_device *dev, u_char count, u_char *p) /* These functions are under construction! */ -static int +static int type1_infoblock(struct net_device *dev, u_char count, u_char *p) { struct de4x5_private *lp = netdev_priv(dev); @@ -4750,7 +4750,7 @@ type1_infoblock(struct net_device *dev, u_char count, u_char *p) return dc21140m_autoconf(dev); } -static int +static int type2_infoblock(struct net_device *dev, u_char count, u_char *p) { struct de4x5_private *lp = netdev_priv(dev); @@ -4791,7 +4791,7 @@ type2_infoblock(struct net_device *dev, u_char count, u_char *p) return dc2114x_autoconf(dev); } -static int +static int type3_infoblock(struct net_device *dev, u_char count, u_char *p) { struct de4x5_private *lp = netdev_priv(dev); @@ -4833,7 +4833,7 @@ type3_infoblock(struct net_device *dev, u_char count, u_char *p) return dc2114x_autoconf(dev); } -static int +static int type4_infoblock(struct net_device *dev, u_char count, u_char *p) { struct de4x5_private *lp = netdev_priv(dev); @@ -4878,7 +4878,7 @@ type4_infoblock(struct net_device *dev, u_char count, u_char *p) ** This block type provides information for resetting external devices ** (chips) through the General Purpose Register. */ -static int +static int type5_infoblock(struct net_device *dev, u_char count, u_char *p) { struct de4x5_private *lp = netdev_priv(dev); @@ -4916,7 +4916,7 @@ mii_rd(u_char phyreg, u_char phyaddr, u_long ioaddr) mii_address(phyaddr, ioaddr); /* PHY address to be accessed */ mii_address(phyreg, ioaddr); /* PHY Register to read */ mii_ta(MII_STRD, ioaddr); /* Turn around time - 2 MDC */ - + return mii_rdata(ioaddr); /* Read data */ } @@ -4931,7 +4931,7 @@ mii_wr(int data, u_char phyreg, u_char phyaddr, u_long ioaddr) mii_ta(MII_STWR, ioaddr); /* Turn around time - 2 MDC */ data = mii_swap(data, 16); /* Swap data bit ordering */ mii_wdata(data, 16, ioaddr); /* Write data */ - + return; } @@ -4940,12 +4940,12 @@ mii_rdata(u_long ioaddr) { int i; s32 tmp = 0; - + for (i=0; i<16; i++) { tmp <<= 1; tmp |= getfrom_mii(MII_MRD | MII_RD, ioaddr); } - + return tmp; } @@ -4953,12 +4953,12 @@ static void mii_wdata(int data, int len, u_long ioaddr) { int i; - + for (i=0; i<len; i++) { sendto_mii(MII_MWR | MII_WR, data, ioaddr); data >>= 1; } - + return; } @@ -4966,13 +4966,13 @@ static void mii_address(u_char addr, u_long ioaddr) { int i; - + addr = mii_swap(addr, 5); for (i=0; i<5; i++) { sendto_mii(MII_MWR | MII_WR, addr, ioaddr); addr >>= 1; } - + return; } @@ -4980,12 +4980,12 @@ static void mii_ta(u_long rw, u_long ioaddr) { if (rw == MII_STWR) { - sendto_mii(MII_MWR | MII_WR, 1, ioaddr); - sendto_mii(MII_MWR | MII_WR, 0, ioaddr); + sendto_mii(MII_MWR | MII_WR, 1, ioaddr); + sendto_mii(MII_MWR | MII_WR, 0, ioaddr); } else { getfrom_mii(MII_MRD | MII_RD, ioaddr); /* Tri-state MDIO */ } - + return; } @@ -4993,13 +4993,13 @@ static int mii_swap(int data, int len) { int i, tmp = 0; - + for (i=0; i<len; i++) { tmp <<= 1; tmp |= (data & 1); data >>= 1; } - + return tmp; } @@ -5007,13 +5007,13 @@ static void sendto_mii(u32 command, int data, u_long ioaddr) { u32 j; - + j = (data & 1) << 17; outl(command | j, ioaddr); udelay(1); outl(command | MII_MDC | j, ioaddr); udelay(1); - + return; } @@ -5024,7 +5024,7 @@ getfrom_mii(u32 command, u_long ioaddr) udelay(1); outl(command | MII_MDC, ioaddr); udelay(1); - + return ((inl(ioaddr) >> 19) & 1); } @@ -5085,7 +5085,7 @@ mii_get_phy(struct net_device *dev) u_long iobase = dev->base_addr; int i, j, k, n, limit=sizeof(phy_info)/sizeof(struct phy_table); int id; - + lp->active = 0; lp->useMII = TRUE; @@ -5094,7 +5094,7 @@ mii_get_phy(struct net_device *dev) lp->phy[lp->active].addr = i; if (i==0) n++; /* Count cycles */ while (de4x5_reset_phy(dev)<0) udelay(100);/* Wait for reset */ - id = mii_get_oui(i, DE4X5_MII); + id = mii_get_oui(i, DE4X5_MII); if ((id == 0) || (id == 65535)) continue; /* Valid ID? */ for (j=0; j<limit; j++) { /* Search PHY table */ if (id != phy_info[j].id) continue; /* ID match? */ @@ -5133,7 +5133,7 @@ mii_get_phy(struct net_device *dev) for (k=0; lp->phy[k].id && (k < DE4X5_MAX_PHY); k++) { /*For each PHY*/ mii_wr(MII_CR_RST, MII_CR, lp->phy[k].addr, DE4X5_MII); while (mii_rd(MII_CR, lp->phy[k].addr, DE4X5_MII) & MII_CR_RST); - + de4x5_dbg_mii(dev, k); } } @@ -5148,12 +5148,12 @@ build_setup_frame(struct net_device *dev, int mode) struct de4x5_private *lp = netdev_priv(dev); int i; char *pa = lp->setup_frame; - + /* Initialise the setup frame */ if (mode == ALL) { memset(lp->setup_frame, 0, SETUP_FRAME_LEN); } - + if (lp->setup_f == HASH_PERF) { for (pa=lp->setup_frame+IMPERF_PA_OFFSET, i=0; i<ETH_ALEN; i++) { *(pa + i) = dev->dev_addr[i]; /* Host address */ @@ -5170,7 +5170,7 @@ build_setup_frame(struct net_device *dev, int mode) if (i & 0x01) pa += 4; } } - + return pa; /* Points to the next entry */ } @@ -5178,7 +5178,7 @@ static void enable_ast(struct net_device *dev, u32 time_out) { timeout(dev, (void *)&de4x5_ast, (u_long)dev, time_out); - + return; } @@ -5186,9 +5186,9 @@ static void disable_ast(struct net_device *dev) { struct de4x5_private *lp = netdev_priv(dev); - + del_timer(&lp->timer); - + return; } @@ -5207,10 +5207,10 @@ de4x5_switch_mac_port(struct net_device *dev) omr |= lp->infoblock_csr6; if (omr & OMR_PS) omr |= OMR_HBD; outl(omr, DE4X5_OMR); - + /* Soft Reset */ RESET_DE4X5; - + /* Restore the GEP - especially for COMPACT and Type 0 Infoblocks */ if (lp->chipset == DC21140) { gep_wr(lp->cache.gepc, dev); @@ -5263,21 +5263,21 @@ timeout(struct net_device *dev, void (*fn)(u_long data), u_long data, u_long mse { struct de4x5_private *lp = netdev_priv(dev); int dt; - + /* First, cancel any pending timer events */ del_timer(&lp->timer); - + /* Convert msec to ticks */ dt = (msec * HZ) / 1000; if (dt==0) dt=1; - + /* Set up timer */ init_timer(&lp->timer); lp->timer.expires = jiffies + dt; lp->timer.function = fn; lp->timer.data = data; add_timer(&lp->timer); - + return; } @@ -5375,7 +5375,7 @@ de4x5_dbg_open(struct net_device *dev) { struct de4x5_private *lp = netdev_priv(dev); int i; - + if (de4x5_debug & DEBUG_OPEN) { printk("%s: de4x5 opening with irq %d\n",dev->name,dev->irq); printk("\tphysical address: "); @@ -5413,11 +5413,11 @@ de4x5_dbg_open(struct net_device *dev) } } printk("...0x%8.8x\n", le32_to_cpu(lp->tx_ring[i].buf)); - printk("Ring size: \nRX: %d\nTX: %d\n", - (short)lp->rxRingSize, - (short)lp->txRingSize); + printk("Ring size: \nRX: %d\nTX: %d\n", + (short)lp->rxRingSize, + (short)lp->txRingSize); } - + return; } @@ -5426,7 +5426,7 @@ de4x5_dbg_mii(struct net_device *dev, int k) { struct de4x5_private *lp = netdev_priv(dev); u_long iobase = dev->base_addr; - + if (de4x5_debug & DEBUG_MII) { printk("\nMII device address: %d\n", lp->phy[k].addr); printk("MII CR: %x\n",mii_rd(MII_CR,lp->phy[k].addr,DE4X5_MII)); @@ -5445,7 +5445,7 @@ de4x5_dbg_mii(struct net_device *dev, int k) printk("MII 20: %x\n",mii_rd(0x14,lp->phy[k].addr,DE4X5_MII)); } } - + return; } @@ -5453,17 +5453,17 @@ static void de4x5_dbg_media(struct net_device *dev) { struct de4x5_private *lp = netdev_priv(dev); - + if (lp->media != lp->c_media) { if (de4x5_debug & DEBUG_MEDIA) { printk("%s: media is %s%s\n", dev->name, (lp->media == NC ? "unconnected, link down or incompatible connection" : (lp->media == TP ? "TP" : (lp->media == ANS ? "TP/Nway" : - (lp->media == BNC ? "BNC" : - (lp->media == AUI ? "AUI" : - (lp->media == BNC_AUI ? "BNC/AUI" : - (lp->media == EXT_SIA ? "EXT SIA" : + (lp->media == BNC ? "BNC" : + (lp->media == AUI ? "AUI" : + (lp->media == BNC_AUI ? "BNC/AUI" : + (lp->media == EXT_SIA ? "EXT SIA" : (lp->media == _100Mb ? "100Mb/s" : (lp->media == _10Mb ? "10Mb/s" : "???" @@ -5471,7 +5471,7 @@ de4x5_dbg_media(struct net_device *dev) } lp->c_media = lp->media; } - + return; } @@ -5554,7 +5554,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) u32 lval[36]; } tmp; u_long flags = 0; - + switch(ioc->cmd) { case DE4X5_GET_HWADDR: /* Get the hardware address */ ioc->len = ETH_ALEN; @@ -5575,7 +5575,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) } build_setup_frame(dev, PHYS_ADDR_ONLY); /* Set up the descriptor and give ownership to the card */ - load_packet(dev, lp->setup_frame, TD_IC | PERFECT_F | TD_SET | + load_packet(dev, lp->setup_frame, TD_IC | PERFECT_F | TD_SET | SETUP_FRAME_LEN, (struct sk_buff *)1); lp->tx_new = (++lp->tx_new) % lp->txRingSize; outl(POLL_DEMAND, DE4X5_TPD); /* Start the TX */ @@ -5617,8 +5617,8 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) spin_lock_irqsave(&lp->lock, flags); memcpy(&statbuf, &lp->pktStats, ioc->len); spin_unlock_irqrestore(&lp->lock, flags); - if (copy_to_user(ioc->data, &statbuf, ioc->len)) - return -EFAULT; + if (copy_to_user(ioc->data, &statbuf, ioc->len)) + return -EFAULT; break; } case DE4X5_CLR_STATS: /* Zero out the driver statistics */ @@ -5652,9 +5652,9 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) ioc->len = j; if (copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT; break; - + #define DE4X5_DUMP 0x0f /* Dump the DE4X5 Status */ -/* +/* case DE4X5_DUMP: j = 0; tmp.addr[j++] = dev->irq; @@ -5664,7 +5664,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) tmp.addr[j++] = lp->rxRingSize; tmp.lval[j>>2] = (long)lp->rx_ring; j+=4; tmp.lval[j>>2] = (long)lp->tx_ring; j+=4; - + for (i=0;i<lp->rxRingSize-1;i++){ if (i < 3) { tmp.lval[j>>2] = (long)&lp->rx_ring[i].status; j+=4; @@ -5677,7 +5677,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) } } tmp.lval[j>>2] = (long)&lp->tx_ring[i].status; j+=4; - + for (i=0;i<lp->rxRingSize-1;i++){ if (i < 3) { tmp.lval[j>>2] = (s32)le32_to_cpu(lp->rx_ring[i].buf); j+=4; @@ -5690,14 +5690,14 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) } } tmp.lval[j>>2] = (s32)le32_to_cpu(lp->tx_ring[i].buf); j+=4; - + for (i=0;i<lp->rxRingSize;i++){ tmp.lval[j>>2] = le32_to_cpu(lp->rx_ring[i].status); j+=4; } for (i=0;i<lp->txRingSize;i++){ tmp.lval[j>>2] = le32_to_cpu(lp->tx_ring[i].status); j+=4; } - + tmp.lval[j>>2] = inl(DE4X5_BMR); j+=4; tmp.lval[j>>2] = inl(DE4X5_TPD); j+=4; tmp.lval[j>>2] = inl(DE4X5_RPD); j+=4; @@ -5706,18 +5706,18 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) tmp.lval[j>>2] = inl(DE4X5_STS); j+=4; tmp.lval[j>>2] = inl(DE4X5_OMR); j+=4; tmp.lval[j>>2] = inl(DE4X5_IMR); j+=4; - tmp.lval[j>>2] = lp->chipset; j+=4; + tmp.lval[j>>2] = lp->chipset; j+=4; if (lp->chipset == DC21140) { tmp.lval[j>>2] = gep_rd(dev); j+=4; } else { tmp.lval[j>>2] = inl(DE4X5_SISR); j+=4; tmp.lval[j>>2] = inl(DE4X5_SICR); j+=4; tmp.lval[j>>2] = inl(DE4X5_STRR); j+=4; - tmp.lval[j>>2] = inl(DE4X5_SIGR); j+=4; + tmp.lval[j>>2] = inl(DE4X5_SIGR); j+=4; } - tmp.lval[j>>2] = lp->phy[lp->active].id; j+=4; + tmp.lval[j>>2] = lp->phy[lp->active].id; j+=4; if (lp->phy[lp->active].id && (!lp->useSROM || lp->useMII)) { - tmp.lval[j>>2] = lp->active; j+=4; + tmp.lval[j>>2] = lp->active; j+=4; tmp.lval[j>>2]=mii_rd(MII_CR,lp->phy[lp->active].addr,DE4X5_MII); j+=4; tmp.lval[j>>2]=mii_rd(MII_SR,lp->phy[lp->active].addr,DE4X5_MII); j+=4; tmp.lval[j>>2]=mii_rd(MII_ID0,lp->phy[lp->active].addr,DE4X5_MII); j+=4; @@ -5734,10 +5734,10 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) tmp.lval[j>>2]=mii_rd(0x14,lp->phy[lp->active].addr,DE4X5_MII); j+=4; } } - + tmp.addr[j++] = lp->txRingSize; tmp.addr[j++] = netif_queue_stopped(dev); - + ioc->len = j; if (copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT; break; @@ -5746,7 +5746,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) default: return -EOPNOTSUPP; } - + return status; } diff --git a/drivers/net/tulip/de4x5.h b/drivers/net/tulip/de4x5.h index ad37a4074302..57226e5eb8a6 100644 --- a/drivers/net/tulip/de4x5.h +++ b/drivers/net/tulip/de4x5.h @@ -38,11 +38,11 @@ /* ** EISA Register Address Map */ -#define EISA_ID iobase+0x0c80 /* EISA ID Registers */ -#define EISA_ID0 iobase+0x0c80 /* EISA ID Register 0 */ -#define EISA_ID1 iobase+0x0c81 /* EISA ID Register 1 */ -#define EISA_ID2 iobase+0x0c82 /* EISA ID Register 2 */ -#define EISA_ID3 iobase+0x0c83 /* EISA ID Register 3 */ +#define EISA_ID iobase+0x0c80 /* EISA ID Registers */ +#define EISA_ID0 iobase+0x0c80 /* EISA ID Register 0 */ +#define EISA_ID1 iobase+0x0c81 /* EISA ID Register 1 */ +#define EISA_ID2 iobase+0x0c82 /* EISA ID Register 2 */ +#define EISA_ID3 iobase+0x0c83 /* EISA ID Register 3 */ #define EISA_CR iobase+0x0c84 /* EISA Control Register */ #define EISA_REG0 iobase+0x0c88 /* EISA Configuration Register 0 */ #define EISA_REG1 iobase+0x0c89 /* EISA Configuration Register 1 */ @@ -1008,8 +1008,8 @@ struct de4x5_ioctl { unsigned char __user *data; /* Pointer to the data buffer */ }; -/* -** Recognised commands for the driver +/* +** Recognised commands for the driver */ #define DE4X5_GET_HWADDR 0x01 /* Get the hardware address */ #define DE4X5_SET_HWADDR 0x02 /* Set the hardware address */ diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c index 74e9075d9c48..ba5b112093f4 100644 --- a/drivers/net/tulip/dmfe.c +++ b/drivers/net/tulip/dmfe.c @@ -50,7 +50,7 @@ forget to unmap PCI mapped skbs. Alan Cox <alan@redhat.com> - Added new PCI identifiers provided by Clear Zhang at ALi + Added new PCI identifiers provided by Clear Zhang at ALi for their 1563 ethernet device. TODO diff --git a/drivers/net/tulip/eeprom.c b/drivers/net/tulip/eeprom.c index fbd9ab60b052..5ffbd5b300c0 100644 --- a/drivers/net/tulip/eeprom.c +++ b/drivers/net/tulip/eeprom.c @@ -96,11 +96,11 @@ static const char *block_name[] __devinitdata = { * tulip_build_fake_mediatable - Build a fake mediatable entry. * @tp: Ptr to the tulip private data. * - * Some cards like the 3x5 HSC cards (J3514A) do not have a standard + * Some cards like the 3x5 HSC cards (J3514A) do not have a standard * srom and can not be handled under the fixup routine. These cards - * still need a valid mediatable entry for correct csr12 setup and + * still need a valid mediatable entry for correct csr12 setup and * mii handling. - * + * * Since this is currently a parisc-linux specific function, the * #ifdef __hppa__ should completely optimize this function away for * non-parisc hardware. @@ -140,7 +140,7 @@ static void __devinit tulip_build_fake_mediatable(struct tulip_private *tp) tp->flags |= HAS_PHY_IRQ; tp->csr12_shadow = -1; } -#endif +#endif } void __devinit tulip_parse_eeprom(struct net_device *dev) diff --git a/drivers/net/tulip/interrupt.c b/drivers/net/tulip/interrupt.c index bb3558164a5b..da4f7593c50f 100644 --- a/drivers/net/tulip/interrupt.c +++ b/drivers/net/tulip/interrupt.c @@ -139,22 +139,22 @@ int tulip_poll(struct net_device *dev, int *budget) } /* Acknowledge current RX interrupt sources. */ iowrite32((RxIntr | RxNoBuf), tp->base_addr + CSR5); - - + + /* If we own the next entry, it is a new packet. Send it up. */ while ( ! (tp->rx_ring[entry].status & cpu_to_le32(DescOwned))) { s32 status = le32_to_cpu(tp->rx_ring[entry].status); - - + + if (tp->dirty_rx + RX_RING_SIZE == tp->cur_rx) break; - + if (tulip_debug > 5) printk(KERN_DEBUG "%s: In tulip_rx(), entry %d %8.8x.\n", dev->name, entry, status); if (--rx_work_limit < 0) goto not_done; - + if ((status & 0x38008300) != 0x0300) { if ((status & 0x38000300) != 0x0300) { /* Ingore earlier buffers. */ @@ -180,7 +180,7 @@ int tulip_poll(struct net_device *dev, int *budget) /* Omit the four octet CRC from the length. */ short pkt_len = ((status >> 16) & 0x7ff) - 4; struct sk_buff *skb; - + #ifndef final_version if (pkt_len > 1518) { printk(KERN_WARNING "%s: Bogus packet size of %d (%#x).\n", @@ -213,7 +213,7 @@ int tulip_poll(struct net_device *dev, int *budget) } else { /* Pass up the skb already on the Rx ring. */ char *temp = skb_put(skb = tp->rx_buffers[entry].skb, pkt_len); - + #ifndef final_version if (tp->rx_buffers[entry].mapping != le32_to_cpu(tp->rx_ring[entry].buffer1)) { @@ -225,17 +225,17 @@ int tulip_poll(struct net_device *dev, int *budget) skb->head, temp); } #endif - + pci_unmap_single(tp->pdev, tp->rx_buffers[entry].mapping, PKT_BUF_SZ, PCI_DMA_FROMDEVICE); - + tp->rx_buffers[entry].skb = NULL; tp->rx_buffers[entry].mapping = 0; } skb->protocol = eth_type_trans(skb, dev); - + netif_receive_skb(skb); - + dev->last_rx = jiffies; tp->stats.rx_packets++; tp->stats.rx_bytes += pkt_len; @@ -245,12 +245,12 @@ int tulip_poll(struct net_device *dev, int *budget) entry = (++tp->cur_rx) % RX_RING_SIZE; if (tp->cur_rx - tp->dirty_rx > RX_RING_SIZE/4) tulip_refill_rx(dev); - + } - + /* New ack strategy... irq does not ack Rx any longer hopefully this helps */ - + /* Really bad things can happen here... If new packet arrives * and an irq arrives (tx or just due to occasionally unset * mask), it will be acked by irq handler, but new thread @@ -259,28 +259,28 @@ int tulip_poll(struct net_device *dev, int *budget) * tomorrow (night 011029). If it will not fail, we won * finally: amount of IO did not increase at all. */ } while ((ioread32(tp->base_addr + CSR5) & RxIntr)); - + done: - + #ifdef CONFIG_TULIP_NAPI_HW_MITIGATION - + /* We use this simplistic scheme for IM. It's proven by real life installations. We can have IM enabled - continuesly but this would cause unnecessary latency. - Unfortunely we can't use all the NET_RX_* feedback here. - This would turn on IM for devices that is not contributing - to backlog congestion with unnecessary latency. - + continuesly but this would cause unnecessary latency. + Unfortunely we can't use all the NET_RX_* feedback here. + This would turn on IM for devices that is not contributing + to backlog congestion with unnecessary latency. + We monitor the the device RX-ring and have: - + HW Interrupt Mitigation either ON or OFF. - - ON: More then 1 pkt received (per intr.) OR we are dropping + + ON: More then 1 pkt received (per intr.) OR we are dropping OFF: Only 1 pkt received - + Note. We only use min and max (0, 15) settings from mit_table */ - - + + if( tp->flags & HAS_INTR_MITIGATION) { if( received > 1 ) { if( ! tp->mit_on ) { @@ -297,20 +297,20 @@ done: } #endif /* CONFIG_TULIP_NAPI_HW_MITIGATION */ - + dev->quota -= received; *budget -= received; - + tulip_refill_rx(dev); - + /* If RX ring is not full we are out of memory. */ if (tp->rx_buffers[tp->dirty_rx % RX_RING_SIZE].skb == NULL) goto oom; - + /* Remove us from polling list and enable RX intr. */ - + netif_rx_complete(dev); iowrite32(tulip_tbl[tp->chip_id].valid_intrs, tp->base_addr+CSR7); - + /* The last op happens after poll completion. Which means the following: * 1. it can race with disabling irqs in irq handler * 2. it can race with dise/enabling irqs in other poll threads @@ -321,9 +321,9 @@ done: * due to races in masking and due to too late acking of already * processed irqs. But it must not result in losing events. */ - + return 0; - + not_done: if (!received) { @@ -331,29 +331,29 @@ done: } dev->quota -= received; *budget -= received; - + if (tp->cur_rx - tp->dirty_rx > RX_RING_SIZE/2 || tp->rx_buffers[tp->dirty_rx % RX_RING_SIZE].skb == NULL) tulip_refill_rx(dev); - + if (tp->rx_buffers[tp->dirty_rx % RX_RING_SIZE].skb == NULL) goto oom; - + return 1; - - + + oom: /* Executed with RX ints disabled */ - - + + /* Start timer, stop polling, but do not enable rx interrupts. */ mod_timer(&tp->oom_timer, jiffies+1); - + /* Think: timer_pending() was an explicit signature of bug. * Timer can be pending now but fired and completed * before we did netif_rx_complete(). See? We would lose it. */ - + /* remove ourselves from the polling list */ netif_rx_complete(dev); - + return 0; } @@ -521,9 +521,9 @@ irqreturn_t tulip_interrupt(int irq, void *dev_instance, struct pt_regs *regs) /* Let's see whether the interrupt really is for us */ csr5 = ioread32(ioaddr + CSR5); - if (tp->flags & HAS_PHY_IRQ) + if (tp->flags & HAS_PHY_IRQ) handled = phy_interrupt (dev); - + if ((csr5 & (NormalIntr|AbnormalIntr)) == 0) return IRQ_RETVAL(handled); @@ -538,17 +538,17 @@ irqreturn_t tulip_interrupt(int irq, void *dev_instance, struct pt_regs *regs) /* Mask RX intrs and add the device to poll list. */ iowrite32(tulip_tbl[tp->chip_id].valid_intrs&~RxPollInt, ioaddr + CSR7); netif_rx_schedule(dev); - + if (!(csr5&~(AbnormalIntr|NormalIntr|RxPollInt|TPLnkPass))) break; } - + /* Acknowledge the interrupt sources we handle here ASAP the poll function does Rx and RxNoBuf acking */ - + iowrite32(csr5 & 0x0001ff3f, ioaddr + CSR5); -#else +#else /* Acknowledge all of the current interrupt sources ASAP. */ iowrite32(csr5 & 0x0001ffff, ioaddr + CSR5); @@ -559,11 +559,11 @@ irqreturn_t tulip_interrupt(int irq, void *dev_instance, struct pt_regs *regs) } #endif /* CONFIG_TULIP_NAPI */ - + if (tulip_debug > 4) printk(KERN_DEBUG "%s: interrupt csr5=%#8.8x new csr5=%#8.8x.\n", dev->name, csr5, ioread32(ioaddr + CSR5)); - + if (csr5 & (TxNoBuf | TxDied | TxIntr | TimerInt)) { unsigned int dirty_tx; @@ -737,17 +737,17 @@ irqreturn_t tulip_interrupt(int irq, void *dev_instance, struct pt_regs *regs) #ifdef CONFIG_TULIP_NAPI if (rxd) csr5 &= ~RxPollInt; - } while ((csr5 & (TxNoBuf | - TxDied | - TxIntr | + } while ((csr5 & (TxNoBuf | + TxDied | + TxIntr | TimerInt | /* Abnormal intr. */ - RxDied | - TxFIFOUnderflow | - TxJabber | - TPLnkFail | + RxDied | + TxFIFOUnderflow | + TxJabber | + TPLnkFail | SytemError )) != 0); -#else +#else } while ((csr5 & (NormalIntr|AbnormalIntr)) != 0); tulip_refill_rx(dev); diff --git a/drivers/net/tulip/media.c b/drivers/net/tulip/media.c index f53396fe79c9..e9bc2a958c14 100644 --- a/drivers/net/tulip/media.c +++ b/drivers/net/tulip/media.c @@ -140,7 +140,7 @@ void tulip_mdio_write(struct net_device *dev, int phy_id, int location, int val) spin_unlock_irqrestore(&tp->mii_lock, flags); return; } - + /* Establish sync by sending 32 logic ones. */ for (i = 32; i >= 0; i--) { iowrite32(MDIO_ENB | MDIO_DATA_WRITE1, mdio_addr); diff --git a/drivers/net/tulip/tulip.h b/drivers/net/tulip/tulip.h index 05d2d96f7be2..d25020da6798 100644 --- a/drivers/net/tulip/tulip.h +++ b/drivers/net/tulip/tulip.h @@ -259,7 +259,7 @@ enum t21143_csr6_bits { There are no ill effects from too-large receive rings. */ #define TX_RING_SIZE 32 -#define RX_RING_SIZE 128 +#define RX_RING_SIZE 128 #define MEDIA_MASK 31 #define PKT_BUF_SZ 1536 /* Size of each temporary Rx buffer. */ diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c index c67c91251d04..cabdf894e21e 100644 --- a/drivers/net/tulip/tulip_core.c +++ b/drivers/net/tulip/tulip_core.c @@ -1224,7 +1224,7 @@ out: * Chips that have the MRM/reserved bit quirk and the burst quirk. That * is the DM910X and the on chip ULi devices */ - + static int tulip_uli_dm_quirk(struct pci_dev *pdev) { if (pdev->vendor == 0x1282 && pdev->device == 0x9102) @@ -1297,7 +1297,7 @@ static int __devinit tulip_init_one (struct pci_dev *pdev, */ /* 1. Intel Saturn. Switch to 8 long words burst, 8 long word cache - aligned. Aries might need this too. The Saturn errata are not + aligned. Aries might need this too. The Saturn errata are not pretty reading but thankfully it's an old 486 chipset. 2. The dreaded SiS496 486 chipset. Same workaround as Intel @@ -1483,14 +1483,6 @@ static int __devinit tulip_init_one (struct pci_dev *pdev, sa_offset = 2; /* Grrr, damn Matrox boards. */ multiport_cnt = 4; } -#ifdef CONFIG_DDB5476 - if ((pdev->bus->number == 0) && (PCI_SLOT(pdev->devfn) == 6)) { - /* DDB5476 MAC address in first EEPROM locations. */ - sa_offset = 0; - /* No media table either */ - tp->flags &= ~HAS_MEDIA_TABLE; - } -#endif #ifdef CONFIG_DDB5477 if ((pdev->bus->number == 0) && (PCI_SLOT(pdev->devfn) == 4)) { /* DDB5477 MAC address in first EEPROM locations. */ @@ -1500,7 +1492,7 @@ static int __devinit tulip_init_one (struct pci_dev *pdev, } #endif #ifdef CONFIG_MIPS_COBALT - if ((pdev->bus->number == 0) && + if ((pdev->bus->number == 0) && ((PCI_SLOT(pdev->devfn) == 7) || (PCI_SLOT(pdev->devfn) == 12))) { /* Cobalt MAC address in first EEPROM locations. */ diff --git a/drivers/net/tulip/uli526x.c b/drivers/net/tulip/uli526x.c index 238e9c72cb3a..8b3a28f53c3d 100644 --- a/drivers/net/tulip/uli526x.c +++ b/drivers/net/tulip/uli526x.c @@ -9,7 +9,7 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + */ #define DRV_NAME "uli526x" @@ -185,7 +185,7 @@ struct uli526x_board_info { /* NIC SROM data */ unsigned char srom[128]; - u8 init; + u8 init; }; enum uli526x_offsets { @@ -258,7 +258,7 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev, struct uli526x_board_info *db; /* board information structure */ struct net_device *dev; int i, err; - + ULI526X_DBUG(0, "uli526x_init_one()", 0); if (!printed_version++) @@ -316,7 +316,7 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev, err = -ENOMEM; goto err_out_nomem; } - + db->first_tx_desc = (struct tx_desc *) db->desc_pool_ptr; db->first_tx_desc_dma = db->desc_pool_dma_ptr; db->buf_pool_start = db->buf_pool_ptr; @@ -324,14 +324,14 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev, db->chip_id = ent->driver_data; db->ioaddr = pci_resource_start(pdev, 0); - + db->pdev = pdev; db->init = 1; - + dev->base_addr = db->ioaddr; dev->irq = pdev->irq; pci_set_drvdata(pdev, dev); - + /* Register some necessary functions */ dev->open = &uli526x_open; dev->hard_start_xmit = &uli526x_start_xmit; @@ -341,7 +341,7 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev, dev->ethtool_ops = &netdev_ethtool_ops; spin_lock_init(&db->lock); - + /* read 64 word srom data */ for (i = 0; i < 64; i++) ((u16 *) db->srom)[i] = cpu_to_le16(read_srom_word(db->ioaddr, i)); @@ -374,7 +374,7 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev, goto err_out_res; printk(KERN_INFO "%s: ULi M%04lx at pci%s,",dev->name,ent->driver_data >> 16,pci_name(pdev)); - + for (i = 0; i < 6; i++) printk("%c%02x", i ? ':' : ' ', dev->dev_addr[i]); printk(", irq %d.\n", dev->irq); @@ -389,7 +389,7 @@ err_out_nomem: if(db->desc_pool_ptr) pci_free_consistent(pdev, sizeof(struct tx_desc) * DESC_ALL_CNT + 0x20, db->desc_pool_ptr, db->desc_pool_dma_ptr); - + if(db->buf_pool_ptr != NULL) pci_free_consistent(pdev, TX_BUF_ALLOC * TX_DESC_CNT + 4, db->buf_pool_ptr, db->buf_pool_dma_ptr); @@ -433,7 +433,7 @@ static int uli526x_open(struct net_device *dev) { int ret; struct uli526x_board_info *db = netdev_priv(dev); - + ULI526X_DBUG(0, "uli526x_open", 0); ret = request_irq(dev->irq, &uli526x_interrupt, SA_SHIRQ, dev->name, dev); @@ -454,7 +454,7 @@ static int uli526x_open(struct net_device *dev) /* CR6 operation mode decision */ db->cr6_data |= ULI526X_TXTH_256; db->cr0_data = CR0_DEFAULT; - + /* Initialize ULI526X board */ uli526x_init(dev); @@ -604,7 +604,7 @@ static int uli526x_start_xmit(struct sk_buff *skb, struct net_device *dev) /* Restore CR7 to enable interrupt */ spin_unlock_irqrestore(&db->lock, flags); outl(db->cr7_data, dev->base_addr + DCR7); - + /* free this SKB */ dev_kfree_skb(skb); @@ -782,7 +782,7 @@ static void uli526x_rx_packet(struct net_device *dev, struct uli526x_board_info struct sk_buff *skb; int rxlen; u32 rdes0; - + rxptr = db->rx_ready_ptr; while(db->rx_avail_cnt) { @@ -821,7 +821,7 @@ static void uli526x_rx_packet(struct net_device *dev, struct uli526x_board_info if ( !(rdes0 & 0x8000) || ((db->cr6_data & CR6_PM) && (rxlen>6)) ) { skb = rxptr->rx_skb_ptr; - + /* Good packet, send to upper layer */ /* Shorst packet used new SKB */ if ( (rxlen < RX_COPY_SIZE) && @@ -841,7 +841,7 @@ static void uli526x_rx_packet(struct net_device *dev, struct uli526x_board_info dev->last_rx = jiffies; db->stats.rx_packets++; db->stats.rx_bytes += rxlen; - + } else { /* Reuse SKB buffer when the packet is error */ ULI526X_DBUG(0, "Reuse SK buffer, rdes0", rdes0); @@ -911,7 +911,7 @@ ULi_ethtool_gset(struct uli526x_board_info *db, struct ethtool_cmd *ecmd) SUPPORTED_100baseT_Full | SUPPORTED_Autoneg | SUPPORTED_MII); - + ecmd->advertising = (ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full | ADVERTISED_100baseT_Half | @@ -924,13 +924,13 @@ ULi_ethtool_gset(struct uli526x_board_info *db, struct ethtool_cmd *ecmd) ecmd->phy_address = db->phy_addr; ecmd->transceiver = XCVR_EXTERNAL; - + ecmd->speed = 10; ecmd->duplex = DUPLEX_HALF; - + if(db->op_mode==ULI526X_100MHF || db->op_mode==ULI526X_100MFD) { - ecmd->speed = 100; + ecmd->speed = 100; } if(db->op_mode==ULI526X_10MFD || db->op_mode==ULI526X_100MFD) { @@ -939,11 +939,11 @@ ULi_ethtool_gset(struct uli526x_board_info *db, struct ethtool_cmd *ecmd) if(db->link_failed) { ecmd->speed = -1; - ecmd->duplex = -1; + ecmd->duplex = -1; } - + if (db->media_mode & ULI526X_AUTO) - { + { ecmd->autoneg = AUTONEG_ENABLE; } } @@ -964,15 +964,15 @@ static void netdev_get_drvinfo(struct net_device *dev, static int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) { struct uli526x_board_info *np = netdev_priv(dev); - + ULi_ethtool_gset(np, cmd); - + return 0; } static u32 netdev_get_link(struct net_device *dev) { struct uli526x_board_info *np = netdev_priv(dev); - + if(np->link_failed) return 0; else @@ -1005,11 +1005,11 @@ static void uli526x_timer(unsigned long data) struct uli526x_board_info *db = netdev_priv(dev); unsigned long flags; u8 TmpSpeed=10; - + //ULI526X_DBUG(0, "uli526x_timer()", 0); spin_lock_irqsave(&db->lock, flags); - + /* Dynamic reset ULI526X : system error or transmit time-out */ tmp_cr8 = inl(db->ioaddr + DCR8); if ( (db->interval_rx_cnt==0) && (tmp_cr8) ) { @@ -1021,9 +1021,9 @@ static void uli526x_timer(unsigned long data) /* TX polling kick monitor */ if ( db->tx_packet_cnt && time_after(jiffies, dev->trans_start + ULI526X_TX_KICK) ) { - outl(0x1, dev->base_addr + DCR1); // Tx polling again + outl(0x1, dev->base_addr + DCR1); // Tx polling again - // TX Timeout + // TX Timeout if ( time_after(jiffies, dev->trans_start + ULI526X_TX_TIMEOUT) ) { db->reset_TXtimeout++; db->wait_reset = 1; @@ -1073,7 +1073,7 @@ static void uli526x_timer(unsigned long data) uli526x_sense_speed(db) ) db->link_failed = 1; uli526x_process_mode(db); - + if(db->link_failed==0) { if(db->op_mode==ULI526X_100MHF || db->op_mode==ULI526X_100MFD) @@ -1404,7 +1404,7 @@ static u8 uli526x_sense_speed(struct uli526x_board_info * db) phy_mode = phy_read(db->ioaddr, db->phy_addr, 1, db->chip_id); if ( (phy_mode & 0x24) == 0x24 ) { - + phy_mode = ((phy_read(db->ioaddr, db->phy_addr, 5, db->chip_id) & 0x01e0)<<7); if(phy_mode&0x8000) phy_mode = 0x8000; @@ -1414,7 +1414,7 @@ static u8 uli526x_sense_speed(struct uli526x_board_info * db) phy_mode = 0x2000; else phy_mode = 0x1000; - + /* printk(DRV_NAME ": Phy_mode %x ",phy_mode); */ switch (phy_mode) { case 0x1000: db->op_mode = ULI526X_10MHF; break; @@ -1442,7 +1442,7 @@ static u8 uli526x_sense_speed(struct uli526x_board_info * db) static void uli526x_set_phyxcer(struct uli526x_board_info *db) { u16 phy_reg; - + /* Phyxcer capability setting */ phy_reg = phy_read(db->ioaddr, db->phy_addr, 4, db->chip_id) & ~0x01e0; @@ -1457,7 +1457,7 @@ static void uli526x_set_phyxcer(struct uli526x_board_info *db) case ULI526X_100MHF: phy_reg |= 0x80; break; case ULI526X_100MFD: phy_reg |= 0x100; break; } - + } /* Write new capability to Phyxcer Reg4 */ @@ -1556,7 +1556,7 @@ static void phy_write(unsigned long iobase, u8 phy_addr, u8 offset, u16 phy_data /* Write a word data to PHY controller */ for ( i = 0x8000; i > 0; i >>= 1) phy_write_1bit(ioaddr, phy_data & i ? PHY_DATA_1 : PHY_DATA_0, chip_id); - + } @@ -1574,7 +1574,7 @@ static u16 phy_read(unsigned long iobase, u8 phy_addr, u8 offset, u32 chip_id) return phy_readby_cr10(iobase, phy_addr, offset); /* M5261/M5263 Chip */ ioaddr = iobase + DCR9; - + /* Send 33 synchronization clock to Phy controller */ for (i = 0; i < 35; i++) phy_write_1bit(ioaddr, PHY_DATA_1, chip_id); @@ -1610,7 +1610,7 @@ static u16 phy_read(unsigned long iobase, u8 phy_addr, u8 offset, u32 chip_id) static u16 phy_readby_cr10(unsigned long iobase, u8 phy_addr, u8 offset) { unsigned long ioaddr,cr10_value; - + ioaddr = iobase + DCR10; cr10_value = phy_addr; cr10_value = (cr10_value<<5) + offset; @@ -1629,7 +1629,7 @@ static u16 phy_readby_cr10(unsigned long iobase, u8 phy_addr, u8 offset) static void phy_writeby_cr10(unsigned long iobase, u8 phy_addr, u8 offset, u16 phy_data) { unsigned long ioaddr,cr10_value; - + ioaddr = iobase + DCR10; cr10_value = phy_addr; cr10_value = (cr10_value<<5) + offset; @@ -1659,7 +1659,7 @@ static void phy_write_1bit(unsigned long ioaddr, u32 phy_data, u32 chip_id) static u16 phy_read_1bit(unsigned long ioaddr, u32 chip_id) { u16 phy_data; - + outl(0x50000 , ioaddr); udelay(1); phy_data = ( inl(ioaddr) >> 19 ) & 0x1; diff --git a/drivers/net/tulip/winbond-840.c b/drivers/net/tulip/winbond-840.c index 136a70c4d5e4..8fea2aa455d4 100644 --- a/drivers/net/tulip/winbond-840.c +++ b/drivers/net/tulip/winbond-840.c @@ -38,12 +38,12 @@ Copyright (C) 2001 Manfred Spraul * ethtool support (jgarzik) * Replace some MII-related magic numbers with constants (jgarzik) - + TODO: * enable pci_power_off * Wake-On-LAN */ - + #define DRV_NAME "winbond-840" #define DRV_VERSION "1.01-d" #define DRV_RELDATE "Nov-17-2001" @@ -57,7 +57,7 @@ c-help-name: Winbond W89c840 PCI Ethernet support c-help-symbol: CONFIG_WINBOND_840 c-help: This driver is for the Winbond W89c840 chip. It also works with c-help: the TX9882 chip on the Compex RL100-ATX board. -c-help: More specific information and updates are available from +c-help: More specific information and updates are available from c-help: http://www.scyld.com/network/drivers.html */ @@ -207,7 +207,7 @@ Test with 'ping -s 10000' on a fast computer. */ - + /* PCI probe table. @@ -374,7 +374,7 @@ static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); static struct ethtool_ops netdev_ethtool_ops; static int netdev_close(struct net_device *dev); - + static int __devinit w840_probe1 (struct pci_dev *pdev, const struct pci_device_id *ent) @@ -434,7 +434,7 @@ static int __devinit w840_probe1 (struct pci_dev *pdev, np->mii_if.mdio_read = mdio_read; np->mii_if.mdio_write = mdio_write; np->base_addr = ioaddr; - + pci_set_drvdata(pdev, dev); if (dev->mem_start) @@ -510,7 +510,7 @@ err_out_netdev: return -ENODEV; } - + /* Read the EEPROM and MII Management Data I/O (MDIO) interfaces. These are often serial bit streams generated by the host processor. The example below is for the common 93c46 EEPROM, 64 16 bit words. */ @@ -660,7 +660,7 @@ static void mdio_write(struct net_device *dev, int phy_id, int location, int val return; } - + static int netdev_open(struct net_device *dev) { struct netdev_private *np = netdev_priv(dev); @@ -731,7 +731,7 @@ static int update_link(struct net_device *dev) dev->name, np->phys[0]); netif_carrier_on(dev); } - + if ((np->mii & ~0xf) == MII_DAVICOM_DM9101) { /* If the link partner doesn't support autonegotiation * the MII detects it's abilities with the "parallel detection". @@ -761,7 +761,7 @@ static int update_link(struct net_device *dev) result |= 0x20000000; if (result != np->csr6 && debug) printk(KERN_INFO "%s: Setting %dMBit-%s-duplex based on MII#%d\n", - dev->name, fasteth ? 100 : 10, + dev->name, fasteth ? 100 : 10, duplex ? "full" : "half", np->phys[0]); return result; } @@ -947,7 +947,7 @@ static void init_registers(struct net_device *dev) iowrite32(i, ioaddr + PCIBusCfg); np->csr6 = 0; - /* 128 byte Tx threshold; + /* 128 byte Tx threshold; Transmit on; Receive on; */ update_csr6(dev, 0x00022002 | update_link(dev) | __set_rx_mode(dev)); @@ -1584,7 +1584,7 @@ static int netdev_close(struct net_device *dev) static void __devexit w840_remove1 (struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); - + if (dev) { struct netdev_private *np = netdev_priv(dev); unregister_netdev(dev); @@ -1605,11 +1605,11 @@ static void __devexit w840_remove1 (struct pci_dev *pdev) * - get_stats: * spin_lock_irq(np->lock), doesn't touch hw if not present * - hard_start_xmit: - * netif_stop_queue + spin_unlock_wait(&dev->xmit_lock); + * synchronize_irq + netif_tx_disable; * - tx_timeout: - * netif_device_detach + spin_unlock_wait(&dev->xmit_lock); + * netif_device_detach + netif_tx_disable; * - set_multicast_list - * netif_device_detach + spin_unlock_wait(&dev->xmit_lock); + * netif_device_detach + netif_tx_disable; * - interrupt handler * doesn't touch hw if not present, synchronize_irq waits for * running instances of the interrupt handler. @@ -1635,11 +1635,10 @@ static int w840_suspend (struct pci_dev *pdev, pm_message_t state) netif_device_detach(dev); update_csr6(dev, 0); iowrite32(0, ioaddr + IntrEnable); - netif_stop_queue(dev); spin_unlock_irq(&np->lock); - spin_unlock_wait(&dev->xmit_lock); synchronize_irq(dev->irq); + netif_tx_disable(dev); np->stats.rx_missed_errors += ioread32(ioaddr + RxMissed) & 0xffff; diff --git a/drivers/net/tulip/xircom_cb.c b/drivers/net/tulip/xircom_cb.c index 56344103ac23..63c2175ed138 100644 --- a/drivers/net/tulip/xircom_cb.c +++ b/drivers/net/tulip/xircom_cb.c @@ -1,11 +1,11 @@ /* - * xircom_cb: A driver for the (tulip-like) Xircom Cardbus ethernet cards + * xircom_cb: A driver for the (tulip-like) Xircom Cardbus ethernet cards * * This software is (C) by the respective authors, and licensed under the GPL * License. * * Written by Arjan van de Ven for Red Hat, Inc. - * Based on work by Jeff Garzik, Doug Ledford and Donald Becker + * Based on work by Jeff Garzik, Doug Ledford and Donald Becker * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. @@ -93,7 +93,7 @@ struct xircom_private { unsigned long io_port; int open; - + /* transmit_used is the rotating counter that indicates which transmit descriptor has to be used next */ int transmit_used; @@ -153,10 +153,10 @@ static struct pci_device_id xircom_pci_table[] = { MODULE_DEVICE_TABLE(pci, xircom_pci_table); static struct pci_driver xircom_ops = { - .name = "xircom_cb", - .id_table = xircom_pci_table, - .probe = xircom_probe, - .remove = xircom_remove, + .name = "xircom_cb", + .id_table = xircom_pci_table, + .probe = xircom_probe, + .remove = xircom_remove, .suspend =NULL, .resume =NULL }; @@ -174,7 +174,7 @@ static void print_binary(unsigned int number) buffer[i2++]='1'; else buffer[i2++]='0'; - if ((i&3)==0) + if ((i&3)==0) buffer[i2++]=' '; } printk("%s\n",buffer); @@ -196,10 +196,10 @@ static struct ethtool_ops netdev_ethtool_ops = { /* xircom_probe is the code that gets called on device insertion. it sets up the hardware and registers the device to the networklayer. - + TODO: Send 1 or 2 "dummy" packets here as the card seems to discard the first two packets that get send, and pump hates that. - + */ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_id *id) { @@ -209,7 +209,7 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_ unsigned long flags; unsigned short tmp16; enter("xircom_probe"); - + /* First do the PCI initialisation */ if (pci_enable_device(pdev)) @@ -217,24 +217,24 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_ /* disable all powermanagement */ pci_write_config_dword(pdev, PCI_POWERMGMT, 0x0000); - + pci_set_master(pdev); /* Why isn't this done by pci_enable_device ?*/ - /* clear PCI status, if any */ - pci_read_config_word (pdev,PCI_STATUS, &tmp16); + /* clear PCI status, if any */ + pci_read_config_word (pdev,PCI_STATUS, &tmp16); pci_write_config_word (pdev, PCI_STATUS,tmp16); - + pci_read_config_byte(pdev, PCI_REVISION_ID, &chip_rev); - + if (!request_region(pci_resource_start(pdev, 0), 128, "xircom_cb")) { printk(KERN_ERR "xircom_probe: failed to allocate io-region\n"); return -ENODEV; } - /* + /* Before changing the hardware, allocate the memory. This way, we can fail gracefully if not enough memory - is available. + is available. */ dev = alloc_etherdev(sizeof(struct xircom_private)); if (!dev) { @@ -242,13 +242,13 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_ goto device_fail; } private = netdev_priv(dev); - + /* Allocate the send/receive buffers */ private->rx_buffer = pci_alloc_consistent(pdev,8192,&private->rx_dma_handle); if (private->rx_buffer == NULL) { printk(KERN_ERR "xircom_probe: no memory for rx buffer \n"); goto rx_buf_fail; - } + } private->tx_buffer = pci_alloc_consistent(pdev,8192,&private->tx_dma_handle); if (private->tx_buffer == NULL) { printk(KERN_ERR "xircom_probe: no memory for tx buffer \n"); @@ -265,11 +265,11 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_ spin_lock_init(&private->lock); dev->irq = pdev->irq; dev->base_addr = private->io_port; - + initialize_card(private); read_mac_address(private); setup_descriptors(private); - + dev->open = &xircom_open; dev->hard_start_xmit = &xircom_start_xmit; dev->stop = &xircom_close; @@ -285,19 +285,19 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_ printk(KERN_ERR "xircom_probe: netdevice registration failed.\n"); goto reg_fail; } - + printk(KERN_INFO "%s: Xircom cardbus revision %i at irq %i \n", dev->name, chip_rev, pdev->irq); /* start the transmitter to get a heartbeat */ /* TODO: send 2 dummy packets here */ transceiver_voodoo(private); - + spin_lock_irqsave(&private->lock,flags); activate_transmitter(private); activate_receiver(private); spin_unlock_irqrestore(&private->lock,flags); - + trigger_receive(private); - + leave("xircom_probe"); return 0; @@ -332,7 +332,7 @@ static void __devexit xircom_remove(struct pci_dev *pdev) free_netdev(dev); pci_set_drvdata(pdev, NULL); leave("xircom_remove"); -} +} static irqreturn_t xircom_interrupt(int irq, void *dev_instance, struct pt_regs *regs) { @@ -346,11 +346,11 @@ static irqreturn_t xircom_interrupt(int irq, void *dev_instance, struct pt_regs spin_lock(&card->lock); status = inl(card->io_port+CSR5); -#ifdef DEBUG +#ifdef DEBUG print_binary(status); printk("tx status 0x%08x 0x%08x \n",card->tx_buffer[0],card->tx_buffer[4]); printk("rx status 0x%08x 0x%08x \n",card->rx_buffer[0],card->rx_buffer[4]); -#endif +#endif /* Handle shared irq and hotplug */ if (status == 0 || status == 0xffffffff) { spin_unlock(&card->lock); @@ -366,21 +366,21 @@ static irqreturn_t xircom_interrupt(int irq, void *dev_instance, struct pt_regs netif_carrier_on(dev); else netif_carrier_off(dev); - + } - /* Clear all remaining interrupts */ + /* Clear all remaining interrupts */ status |= 0xffffffff; /* FIXME: make this clear only the real existing bits */ outl(status,card->io_port+CSR5); - - for (i=0;i<NUMDESCRIPTORS;i++) + + for (i=0;i<NUMDESCRIPTORS;i++) investigate_write_descriptor(dev,card,i,bufferoffsets[i]); - for (i=0;i<NUMDESCRIPTORS;i++) + for (i=0;i<NUMDESCRIPTORS;i++) investigate_read_descriptor(dev,card,i,bufferoffsets[i]); - + spin_unlock(&card->lock); leave("xircom_interrupt"); return IRQ_HANDLED; @@ -393,38 +393,38 @@ static int xircom_start_xmit(struct sk_buff *skb, struct net_device *dev) int nextdescriptor; int desc; enter("xircom_start_xmit"); - + card = netdev_priv(dev); spin_lock_irqsave(&card->lock,flags); - + /* First see if we can free some descriptors */ - for (desc=0;desc<NUMDESCRIPTORS;desc++) + for (desc=0;desc<NUMDESCRIPTORS;desc++) investigate_write_descriptor(dev,card,desc,bufferoffsets[desc]); - - + + nextdescriptor = (card->transmit_used +1) % (NUMDESCRIPTORS); desc = card->transmit_used; - + /* only send the packet if the descriptor is free */ if (card->tx_buffer[4*desc]==0) { /* Copy the packet data; zero the memory first as the card sometimes sends more than you ask it to. */ - + memset(&card->tx_buffer[bufferoffsets[desc]/4],0,1536); memcpy(&(card->tx_buffer[bufferoffsets[desc]/4]),skb->data,skb->len); - - + + /* FIXME: The specification tells us that the length we send HAS to be a multiple of 4 bytes. */ - + card->tx_buffer[4*desc+1] = skb->len; if (desc == NUMDESCRIPTORS-1) card->tx_buffer[4*desc+1] |= (1<<25); /* bit 25: last descriptor of the ring */ card->tx_buffer[4*desc+1] |= 0xF0000000; - /* 0xF0... means want interrupts*/ + /* 0xF0... means want interrupts*/ card->tx_skb[desc] = skb; - + wmb(); /* This gives the descriptor to the card */ card->tx_buffer[4*desc] = 0x80000000; @@ -433,18 +433,18 @@ static int xircom_start_xmit(struct sk_buff *skb, struct net_device *dev) netif_stop_queue(dev); } card->transmit_used = nextdescriptor; - leave("xircom-start_xmit - sent"); + leave("xircom-start_xmit - sent"); spin_unlock_irqrestore(&card->lock,flags); return 0; } - + /* Uh oh... no free descriptor... drop the packet */ netif_stop_queue(dev); spin_unlock_irqrestore(&card->lock,flags); trigger_transmit(card); - + return -EIO; } @@ -462,7 +462,7 @@ static int xircom_open(struct net_device *dev) leave("xircom_open - No IRQ"); return retval; } - + xircom_up(xp); xp->open = 1; leave("xircom_open"); @@ -473,31 +473,31 @@ static int xircom_close(struct net_device *dev) { struct xircom_private *card; unsigned long flags; - + enter("xircom_close"); card = netdev_priv(dev); netif_stop_queue(dev); /* we don't want new packets */ - + spin_lock_irqsave(&card->lock,flags); - + disable_all_interrupts(card); -#if 0 +#if 0 /* We can enable this again once we send dummy packets on ifconfig ethX up */ deactivate_receiver(card); deactivate_transmitter(card); -#endif +#endif remove_descriptors(card); - + spin_unlock_irqrestore(&card->lock,flags); - + card->open = 0; free_irq(dev->irq,dev); - + leave("xircom_close"); - + return 0; - + } @@ -506,8 +506,8 @@ static struct net_device_stats *xircom_get_stats(struct net_device *dev) { struct xircom_private *card = netdev_priv(dev); return &card->stats; -} - +} + #ifdef CONFIG_NET_POLL_CONTROLLER static void xircom_poll_controller(struct net_device *dev) @@ -540,7 +540,7 @@ static void initialize_card(struct xircom_private *card) outl(val, card->io_port + CSR0); - val = 0; /* Value 0x00 is a safe and conservative value + val = 0; /* Value 0x00 is a safe and conservative value for the PCI configuration settings */ outl(val, card->io_port + CSR0); @@ -617,23 +617,23 @@ static void setup_descriptors(struct xircom_private *card) /* Rx Descr2: address of the buffer we store the buffer at the 2nd half of the page */ - + address = (unsigned long) card->rx_dma_handle; card->rx_buffer[i*4 + 2] = cpu_to_le32(address + bufferoffsets[i]); /* Rx Desc3: address of 2nd buffer -> 0 */ card->rx_buffer[i*4 + 3] = 0; } - + wmb(); /* Write the receive descriptor ring address to the card */ address = (unsigned long) card->rx_dma_handle; - val = cpu_to_le32(address); + val = cpu_to_le32(address); outl(val, card->io_port + CSR3); /* Receive descr list address */ /* transmit descriptors */ memset(card->tx_buffer, 0, 128); /* clear the descriptors */ - + for (i=0;i<NUMDESCRIPTORS;i++ ) { /* Tx Descr0: Empty, we own it, no errors -> 0x00000000 */ card->tx_buffer[i*4 + 0] = 0x00000000; @@ -641,7 +641,7 @@ static void setup_descriptors(struct xircom_private *card) card->tx_buffer[i*4 + 1] = 1536; if (i==NUMDESCRIPTORS-1) card->tx_buffer[i*4 + 1] |= (1 << 25); /* bit 25 is "last descriptor" */ - + /* Tx Descr2: address of the buffer we store the buffer at the 2nd half of the page */ address = (unsigned long) card->tx_dma_handle; @@ -748,7 +748,7 @@ static int receive_active(struct xircom_private *card) activate_receiver enables the receiver on the card. Before being allowed to active the receiver, the receiver must be completely de-activated. To achieve this, -this code actually disables the receiver first; then it waits for the +this code actually disables the receiver first; then it waits for the receiver to become inactive, then it activates the receiver and then it waits for the receiver to be active. @@ -762,13 +762,13 @@ static void activate_receiver(struct xircom_private *card) val = inl(card->io_port + CSR6); /* Operation mode */ - + /* If the "active" bit is set and the receiver is already active, no need to do the expensive thing */ if ((val&2) && (receive_active(card))) return; - - + + val = val & ~2; /* disable the receiver */ outl(val, card->io_port + CSR6); @@ -805,7 +805,7 @@ static void activate_receiver(struct xircom_private *card) /* deactivate_receiver disables the receiver on the card. -To achieve this this code disables the receiver first; +To achieve this this code disables the receiver first; then it waits for the receiver to become inactive. must be called with the lock held and interrupts disabled. @@ -840,7 +840,7 @@ static void deactivate_receiver(struct xircom_private *card) activate_transmitter enables the transmitter on the card. Before being allowed to active the transmitter, the transmitter must be completely de-activated. To achieve this, -this code actually disables the transmitter first; then it waits for the +this code actually disables the transmitter first; then it waits for the transmitter to become inactive, then it activates the transmitter and then it waits for the transmitter to be active again. @@ -856,7 +856,7 @@ static void activate_transmitter(struct xircom_private *card) val = inl(card->io_port + CSR6); /* Operation mode */ /* If the "active" bit is set and the receiver is already - active, no need to do the expensive thing */ + active, no need to do the expensive thing */ if ((val&(1<<13)) && (transmit_active(card))) return; @@ -896,7 +896,7 @@ static void activate_transmitter(struct xircom_private *card) /* deactivate_transmitter disables the transmitter on the card. -To achieve this this code disables the transmitter first; +To achieve this this code disables the transmitter first; then it waits for the transmitter to become inactive. must be called with the lock held and interrupts disabled. @@ -990,7 +990,7 @@ static void disable_all_interrupts(struct xircom_private *card) { unsigned int val; enter("enable_all_interrupts"); - + val = 0; /* disable all interrupts */ outl(val, card->io_port + CSR7); @@ -1031,8 +1031,8 @@ static int enable_promisc(struct xircom_private *card) unsigned int val; enter("enable_promisc"); - val = inl(card->io_port + CSR6); - val = val | (1 << 6); + val = inl(card->io_port + CSR6); + val = val | (1 << 6); outl(val, card->io_port + CSR6); leave("enable_promisc"); @@ -1042,7 +1042,7 @@ static int enable_promisc(struct xircom_private *card) -/* +/* link_status() checks the the links status and will return 0 for no link, 10 for 10mbit link and 100 for.. guess what. Must be called in locked state with interrupts disabled @@ -1051,15 +1051,15 @@ static int link_status(struct xircom_private *card) { unsigned int val; enter("link_status"); - + val = inb(card->io_port + CSR12); - + if (!(val&(1<<2))) /* bit 2 is 0 for 10mbit link, 1 for not an 10mbit link */ return 10; if (!(val&(1<<1))) /* bit 1 is 0 for 100mbit link, 1 for not an 100mbit link */ return 100; - - /* If we get here -> no link at all */ + + /* If we get here -> no link at all */ leave("link_status"); return 0; @@ -1071,7 +1071,7 @@ static int link_status(struct xircom_private *card) /* read_mac_address() reads the MAC address from the NIC and stores it in the "dev" structure. - + This function will take the spinlock itself and can, as a result, not be called with the lock helt. */ static void read_mac_address(struct xircom_private *card) @@ -1081,7 +1081,7 @@ static void read_mac_address(struct xircom_private *card) int i; enter("read_mac_address"); - + spin_lock_irqsave(&card->lock, flags); outl(1 << 12, card->io_port + CSR9); /* enable boot rom access */ @@ -1095,7 +1095,7 @@ static void read_mac_address(struct xircom_private *card) outl(i + 3, card->io_port + CSR10); data_count = inl(card->io_port + CSR9) & 0xff; if ((tuple == 0x22) && (data_id == 0x04) && (data_count == 0x06)) { - /* + /* * This is it. We have the data we want. */ for (j = 0; j < 6; j++) { @@ -1136,12 +1136,12 @@ static void transceiver_voodoo(struct xircom_private *card) spin_lock_irqsave(&card->lock, flags); outl(0x0008, card->io_port + CSR15); - udelay(25); + udelay(25); outl(0xa8050000, card->io_port + CSR15); udelay(25); outl(0xa00f0000, card->io_port + CSR15); udelay(25); - + spin_unlock_irqrestore(&card->lock, flags); netif_start_queue(card->dev); @@ -1163,15 +1163,15 @@ static void xircom_up(struct xircom_private *card) spin_lock_irqsave(&card->lock, flags); - + enable_link_interrupt(card); enable_transmit_interrupt(card); enable_receive_interrupt(card); enable_common_interrupts(card); enable_promisc(card); - + /* The card can have received packets already, read them away now */ - for (i=0;i<NUMDESCRIPTORS;i++) + for (i=0;i<NUMDESCRIPTORS;i++) investigate_read_descriptor(card->dev,card,i,bufferoffsets[i]); @@ -1185,15 +1185,15 @@ static void xircom_up(struct xircom_private *card) /* Bufferoffset is in BYTES */ static void investigate_read_descriptor(struct net_device *dev,struct xircom_private *card, int descnr, unsigned int bufferoffset) { - int status; - + int status; + enter("investigate_read_descriptor"); status = card->rx_buffer[4*descnr]; - + if ((status > 0)) { /* packet received */ - + /* TODO: discard error packets */ - + short pkt_len = ((status >> 16) & 0x7ff) - 4; /* minus 4, we don't want the CRC */ struct sk_buff *skb; @@ -1216,7 +1216,7 @@ static void investigate_read_descriptor(struct net_device *dev,struct xircom_pri dev->last_rx = jiffies; card->stats.rx_packets++; card->stats.rx_bytes += pkt_len; - + out: /* give the buffer back to the card */ card->rx_buffer[4*descnr] = 0x80000000; @@ -1234,9 +1234,9 @@ static void investigate_write_descriptor(struct net_device *dev, struct xircom_p int status; enter("investigate_write_descriptor"); - + status = card->tx_buffer[4*descnr]; -#if 0 +#if 0 if (status & 0x8000) { /* Major error */ printk(KERN_ERR "Major transmit error status %x \n", status); card->tx_buffer[4*descnr] = 0; @@ -1258,7 +1258,7 @@ static void investigate_write_descriptor(struct net_device *dev, struct xircom_p } leave("investigate_write_descriptor"); - + } @@ -1271,8 +1271,8 @@ static int __init xircom_init(void) static void __exit xircom_exit(void) { pci_unregister_driver(&xircom_ops); -} +} -module_init(xircom_init) +module_init(xircom_init) module_exit(xircom_exit) diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c index ed1f837c8fda..2eb6b5f9ba0d 100644 --- a/drivers/net/via-velocity.c +++ b/drivers/net/via-velocity.c @@ -1899,6 +1899,13 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) int pktlen = skb->len; +#ifdef VELOCITY_ZERO_COPY_SUPPORT + if (skb_shinfo(skb)->nr_frags > 6 && __skb_linearize(skb)) { + kfree_skb(skb); + return 0; + } +#endif + spin_lock_irqsave(&vptr->lock, flags); index = vptr->td_curr[qnum]; @@ -1914,8 +1921,6 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) */ if (pktlen < ETH_ZLEN) { /* Cannot occur until ZC support */ - if(skb_linearize(skb, GFP_ATOMIC)) - return 0; pktlen = ETH_ZLEN; memcpy(tdinfo->buf, skb->data, skb->len); memset(tdinfo->buf + skb->len, 0, ETH_ZLEN - skb->len); @@ -1933,7 +1938,6 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) int nfrags = skb_shinfo(skb)->nr_frags; tdinfo->skb = skb; if (nfrags > 6) { - skb_linearize(skb, GFP_ATOMIC); memcpy(tdinfo->buf, skb->data, skb->len); tdinfo->skb_dma[0] = tdinfo->buf_dma; td_ptr->tdesc0.pktsize = diff --git a/drivers/net/via-velocity.h b/drivers/net/via-velocity.h index d9a774b91ddc..f1b2640ebdc6 100644 --- a/drivers/net/via-velocity.h +++ b/drivers/net/via-velocity.h @@ -307,7 +307,7 @@ enum velocity_owner { #define TX_QUEUE_NO 4 #define MAX_HW_MIB_COUNTER 32 -#define VELOCITY_MIN_MTU (1514-14) +#define VELOCITY_MIN_MTU (64) #define VELOCITY_MAX_MTU (9000) /* diff --git a/drivers/net/wan/pci200syn.c b/drivers/net/wan/pci200syn.c index eba8e5cfacc2..f485a97844cc 100644 --- a/drivers/net/wan/pci200syn.c +++ b/drivers/net/wan/pci200syn.c @@ -50,10 +50,6 @@ static const char* devname = "PCI200SYN"; static int pci_clock_freq = 33000000; #define CLOCK_BASE pci_clock_freq -#define PCI_VENDOR_ID_GORAMO 0x10B5 /* uses PLX:9050 ID - this card */ -#define PCI_DEVICE_ID_PCI200SYN 0x9050 /* doesn't have its own ID */ - - /* * PLX PCI9052 local configuration and shared runtime registers. * This structure can be used to access 9052 registers (memory mapped). @@ -262,7 +258,7 @@ static void pci200_pci_remove_one(struct pci_dev *pdev) int i; card_t *card = pci_get_drvdata(pdev); - for(i = 0; i < 2; i++) + for (i = 0; i < 2; i++) if (card->ports[i].card) { struct net_device *dev = port_to_dev(&card->ports[i]); unregister_hdlc_device(dev); @@ -385,6 +381,15 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev, " %u RX packets rings\n", ramsize / 1024, ramphys, pdev->irq, card->tx_ring_buffers, card->rx_ring_buffers); + if (pdev->subsystem_device == PCI_DEVICE_ID_PLX_9050) { + printk(KERN_ERR "Detected PCI200SYN card with old " + "configuration data.\n"); + printk(KERN_ERR "See <http://www.kernel.org/pub/" + "linux/utils/net/hdlc/pci200syn/> for update.\n"); + printk(KERN_ERR "The card will stop working with" + " future versions of Linux if not updated.\n"); + } + if (card->tx_ring_buffers < 1) { printk(KERN_ERR "pci200syn: RAM test failed\n"); pci200_pci_remove_one(pdev); @@ -396,7 +401,7 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev, writew(readw(p) | 0x0040, p); /* Allocate IRQ */ - if(request_irq(pdev->irq, sca_intr, SA_SHIRQ, devname, card)) { + if (request_irq(pdev->irq, sca_intr, SA_SHIRQ, devname, card)) { printk(KERN_WARNING "pci200syn: could not allocate IRQ%d.\n", pdev->irq); pci200_pci_remove_one(pdev); @@ -406,7 +411,7 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev, sca_init(card, 0); - for(i = 0; i < 2; i++) { + for (i = 0; i < 2; i++) { port_t *port = &card->ports[i]; struct net_device *dev = port_to_dev(port); hdlc_device *hdlc = dev_to_hdlc(dev); @@ -425,7 +430,7 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev, hdlc->xmit = sca_xmit; port->settings.clock_type = CLOCK_EXT; port->card = card; - if(register_hdlc_device(dev)) { + if (register_hdlc_device(dev)) { printk(KERN_ERR "pci200syn: unable to register hdlc " "device\n"); port->card = NULL; @@ -445,8 +450,10 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev, static struct pci_device_id pci200_pci_tbl[] __devinitdata = { - { PCI_VENDOR_ID_GORAMO, PCI_DEVICE_ID_PCI200SYN, PCI_ANY_ID, - PCI_ANY_ID, 0, 0, 0 }, + { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050, PCI_VENDOR_ID_PLX, + PCI_DEVICE_ID_PLX_9050, 0, 0, 0 }, + { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050, PCI_VENDOR_ID_PLX, + PCI_DEVICE_ID_PLX_PCI200SYN, 0, 0, 0 }, { 0, } }; diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index e0874cbfefea..30ec235e6935 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -235,7 +235,35 @@ config IPW2200_MONITOR promiscuous mode via the Wireless Tool's Monitor mode. While in this mode, no packets can be sent. -config IPW_QOS +config IPW2200_RADIOTAP + bool "Enable radiotap format 802.11 raw packet support" + depends on IPW2200_MONITOR + +config IPW2200_PROMISCUOUS + bool "Enable creation of a RF radiotap promiscuous interface" + depends on IPW2200_MONITOR + select IPW2200_RADIOTAP + ---help--- + Enables the creation of a second interface prefixed 'rtap'. + This second interface will provide every received in radiotap + format. + + This is useful for performing wireless network analysis while + maintaining an active association. + + Example usage: + + % modprobe ipw2200 rtap_iface=1 + % ifconfig rtap0 up + % tethereal -i rtap0 + + If you do not specify 'rtap_iface=1' as a module parameter then + the rtap interface will not be created and you will need to turn + it on via sysfs: + + % echo 1 > /sys/bus/pci/drivers/ipw2200/*/rtap_iface + +config IPW2200_QOS bool "Enable QoS support" depends on IPW2200 && EXPERIMENTAL @@ -503,6 +531,23 @@ config PRISM54 say M here and read <file:Documentation/modules.txt>. The module will be called prism54.ko. +config USB_ZD1201 + tristate "USB ZD1201 based Wireless device support" + depends on USB && NET_RADIO + select FW_LOADER + ---help--- + Say Y if you want to use wireless LAN adapters based on the ZyDAS + ZD1201 chip. + + This driver makes the adapter appear as a normal Ethernet interface, + typically on wlan0. + + The zd1201 device requires external firmware to be loaded. + This can be found at http://linux-lc100020.sourceforge.net/ + + To compile this driver as a module, choose M here: the + module will be called zd1201. + source "drivers/net/wireless/hostap/Kconfig" source "drivers/net/wireless/bcm43xx/Kconfig" diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile index c86779879361..512603de309a 100644 --- a/drivers/net/wireless/Makefile +++ b/drivers/net/wireless/Makefile @@ -40,3 +40,5 @@ obj-$(CONFIG_BCM43XX) += bcm43xx/ # 16-bit wireless PCMCIA client drivers obj-$(CONFIG_PCMCIA_RAYCS) += ray_cs.o obj-$(CONFIG_PCMCIA_WL3501) += wl3501_cs.o + +obj-$(CONFIG_USB_ZD1201) += zd1201.o diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 00764ddd74d8..4069b79d8259 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -47,6 +47,7 @@ #include <linux/ioport.h> #include <linux/pci.h> #include <asm/uaccess.h> +#include <net/ieee80211.h> #include "airo.h" @@ -467,6 +468,8 @@ static int do8bitIO = 0; #define RID_ECHOTEST_RESULTS 0xFF71 #define RID_BSSLISTFIRST 0xFF72 #define RID_BSSLISTNEXT 0xFF73 +#define RID_WPA_BSSLISTFIRST 0xFF74 +#define RID_WPA_BSSLISTNEXT 0xFF75 typedef struct { u16 cmd; @@ -739,6 +742,14 @@ typedef struct { u16 extSoftCap; } CapabilityRid; + +/* Only present on firmware >= 5.30.17 */ +typedef struct { + u16 unknown[4]; + u8 fixed[12]; /* WLAN management frame */ + u8 iep[624]; +} BSSListRidExtra; + typedef struct { u16 len; u16 index; /* First is 0 and 0xffff means end of list */ @@ -767,6 +778,9 @@ typedef struct { } fh; u16 dsChannel; u16 atimWindow; + + /* Only present on firmware >= 5.30.17 */ + BSSListRidExtra extra; } BSSListRid; typedef struct { @@ -1140,8 +1154,6 @@ struct airo_info { char defindex; // Used with auto wep struct proc_dir_entry *proc_entry; spinlock_t aux_lock; - unsigned long flags; -#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */ #define FLAG_RADIO_OFF 0 /* User disabling of MAC */ #define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */ #define FLAG_RADIO_MASK 0x03 @@ -1151,6 +1163,7 @@ struct airo_info { #define FLAG_UPDATE_MULTI 5 #define FLAG_UPDATE_UNI 6 #define FLAG_802_11 7 +#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */ #define FLAG_PENDING_XMIT 9 #define FLAG_PENDING_XMIT11 10 #define FLAG_MPI 11 @@ -1158,17 +1171,19 @@ struct airo_info { #define FLAG_COMMIT 13 #define FLAG_RESET 14 #define FLAG_FLASHING 15 -#define JOB_MASK 0x2ff0000 -#define JOB_DIE 16 -#define JOB_XMIT 17 -#define JOB_XMIT11 18 -#define JOB_STATS 19 -#define JOB_PROMISC 20 -#define JOB_MIC 21 -#define JOB_EVENT 22 -#define JOB_AUTOWEP 23 -#define JOB_WSTATS 24 -#define JOB_SCAN_RESULTS 25 +#define FLAG_WPA_CAPABLE 16 + unsigned long flags; +#define JOB_DIE 0 +#define JOB_XMIT 1 +#define JOB_XMIT11 2 +#define JOB_STATS 3 +#define JOB_PROMISC 4 +#define JOB_MIC 5 +#define JOB_EVENT 6 +#define JOB_AUTOWEP 7 +#define JOB_WSTATS 8 +#define JOB_SCAN_RESULTS 9 + unsigned long jobs; int (*bap_read)(struct airo_info*, u16 *pu16Dst, int bytelen, int whichbap); unsigned short *flash; @@ -1208,6 +1223,11 @@ struct airo_info { #define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE char proc_name[IFNAMSIZ]; + /* WPA-related stuff */ + unsigned int bssListFirst; + unsigned int bssListNext; + unsigned int bssListRidLen; + struct list_head network_list; struct list_head network_free_list; BSSListElement *networks; @@ -1264,7 +1284,7 @@ static void micinit(struct airo_info *ai) { MICRid mic_rid; - clear_bit(JOB_MIC, &ai->flags); + clear_bit(JOB_MIC, &ai->jobs); PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0); up(&ai->sem); @@ -1705,24 +1725,24 @@ static void emmh32_final(emmh32_context *context, u8 digest[4]) static int readBSSListRid(struct airo_info *ai, int first, BSSListRid *list) { int rc; - Cmd cmd; - Resp rsp; + Cmd cmd; + Resp rsp; if (first == 1) { - if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN; - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd=CMD_LISTBSS; - if (down_interruptible(&ai->sem)) - return -ERESTARTSYS; - issuecommand(ai, &cmd, &rsp); - up(&ai->sem); - /* Let the command take effect */ - ai->task = current; - ssleep(3); - ai->task = NULL; - } - rc = PC4500_readrid(ai, first ? RID_BSSLISTFIRST : RID_BSSLISTNEXT, - list, sizeof(*list), 1); + if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN; + memset(&cmd, 0, sizeof(cmd)); + cmd.cmd=CMD_LISTBSS; + if (down_interruptible(&ai->sem)) + return -ERESTARTSYS; + issuecommand(ai, &cmd, &rsp); + up(&ai->sem); + /* Let the command take effect */ + ai->task = current; + ssleep(3); + ai->task = NULL; + } + rc = PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext, + list, ai->bssListRidLen, 1); list->len = le16_to_cpu(list->len); list->index = le16_to_cpu(list->index); @@ -2112,7 +2132,7 @@ static void airo_end_xmit(struct net_device *dev) { int fid = priv->xmit.fid; u32 *fids = priv->fids; - clear_bit(JOB_XMIT, &priv->flags); + clear_bit(JOB_XMIT, &priv->jobs); clear_bit(FLAG_PENDING_XMIT, &priv->flags); status = transmit_802_3_packet (priv, fids[fid], skb->data); up(&priv->sem); @@ -2162,7 +2182,7 @@ static int airo_start_xmit(struct sk_buff *skb, struct net_device *dev) { if (down_trylock(&priv->sem) != 0) { set_bit(FLAG_PENDING_XMIT, &priv->flags); netif_stop_queue(dev); - set_bit(JOB_XMIT, &priv->flags); + set_bit(JOB_XMIT, &priv->jobs); wake_up_interruptible(&priv->thr_wait); } else airo_end_xmit(dev); @@ -2177,7 +2197,7 @@ static void airo_end_xmit11(struct net_device *dev) { int fid = priv->xmit11.fid; u32 *fids = priv->fids; - clear_bit(JOB_XMIT11, &priv->flags); + clear_bit(JOB_XMIT11, &priv->jobs); clear_bit(FLAG_PENDING_XMIT11, &priv->flags); status = transmit_802_11_packet (priv, fids[fid], skb->data); up(&priv->sem); @@ -2233,7 +2253,7 @@ static int airo_start_xmit11(struct sk_buff *skb, struct net_device *dev) { if (down_trylock(&priv->sem) != 0) { set_bit(FLAG_PENDING_XMIT11, &priv->flags); netif_stop_queue(dev); - set_bit(JOB_XMIT11, &priv->flags); + set_bit(JOB_XMIT11, &priv->jobs); wake_up_interruptible(&priv->thr_wait); } else airo_end_xmit11(dev); @@ -2244,7 +2264,7 @@ static void airo_read_stats(struct airo_info *ai) { StatsRid stats_rid; u32 *vals = stats_rid.vals; - clear_bit(JOB_STATS, &ai->flags); + clear_bit(JOB_STATS, &ai->jobs); if (ai->power.event) { up(&ai->sem); return; @@ -2272,10 +2292,10 @@ static struct net_device_stats *airo_get_stats(struct net_device *dev) { struct airo_info *local = dev->priv; - if (!test_bit(JOB_STATS, &local->flags)) { + if (!test_bit(JOB_STATS, &local->jobs)) { /* Get stats out of the card if available */ if (down_trylock(&local->sem) != 0) { - set_bit(JOB_STATS, &local->flags); + set_bit(JOB_STATS, &local->jobs); wake_up_interruptible(&local->thr_wait); } else airo_read_stats(local); @@ -2290,7 +2310,7 @@ static void airo_set_promisc(struct airo_info *ai) { memset(&cmd, 0, sizeof(cmd)); cmd.cmd=CMD_SETMODE; - clear_bit(JOB_PROMISC, &ai->flags); + clear_bit(JOB_PROMISC, &ai->jobs); cmd.parm0=(ai->flags&IFF_PROMISC) ? PROMISC : NOPROMISC; issuecommand(ai, &cmd, &rsp); up(&ai->sem); @@ -2302,7 +2322,7 @@ static void airo_set_multicast_list(struct net_device *dev) { if ((dev->flags ^ ai->flags) & IFF_PROMISC) { change_bit(FLAG_PROMISC, &ai->flags); if (down_trylock(&ai->sem) != 0) { - set_bit(JOB_PROMISC, &ai->flags); + set_bit(JOB_PROMISC, &ai->jobs); wake_up_interruptible(&ai->thr_wait); } else airo_set_promisc(ai); @@ -2380,7 +2400,7 @@ void stop_airo_card( struct net_device *dev, int freeres ) } clear_bit(FLAG_REGISTERED, &ai->flags); } - set_bit(JOB_DIE, &ai->flags); + set_bit(JOB_DIE, &ai->jobs); kill_proc(ai->thr_pid, SIGTERM, 1); wait_for_completion(&ai->thr_exited); @@ -2701,14 +2721,14 @@ static int reset_card( struct net_device *dev , int lock) { return 0; } -#define MAX_NETWORK_COUNT 64 +#define AIRO_MAX_NETWORK_COUNT 64 static int airo_networks_allocate(struct airo_info *ai) { if (ai->networks) return 0; ai->networks = - kzalloc(MAX_NETWORK_COUNT * sizeof(BSSListElement), + kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement), GFP_KERNEL); if (!ai->networks) { airo_print_warn(ai->dev->name, "Out of memory allocating beacons"); @@ -2732,11 +2752,33 @@ static void airo_networks_initialize(struct airo_info *ai) INIT_LIST_HEAD(&ai->network_free_list); INIT_LIST_HEAD(&ai->network_list); - for (i = 0; i < MAX_NETWORK_COUNT; i++) + for (i = 0; i < AIRO_MAX_NETWORK_COUNT; i++) list_add_tail(&ai->networks[i].list, &ai->network_free_list); } +static int airo_test_wpa_capable(struct airo_info *ai) +{ + int status; + CapabilityRid cap_rid; + const char *name = ai->dev->name; + + status = readCapabilityRid(ai, &cap_rid, 1); + if (status != SUCCESS) return 0; + + /* Only firmware versions 5.30.17 or better can do WPA */ + if ((cap_rid.softVer > 0x530) + || ((cap_rid.softVer == 0x530) && (cap_rid.softSubVer >= 17))) { + airo_print_info(name, "WPA is supported."); + return 1; + } + + /* No WPA support */ + airo_print_info(name, "WPA unsupported (only firmware versions 5.30.17" + " and greater support WPA. Detected %s)", cap_rid.prodVer); + return 0; +} + static struct net_device *_init_airo_card( unsigned short irq, int port, int is_pcmcia, struct pci_dev *pci, struct device *dmdev ) @@ -2759,6 +2801,7 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, ai = dev->priv; ai->wifidev = NULL; ai->flags = 0; + ai->jobs = 0; ai->dev = dev; if (pci && (pci->device == 0x5000 || pci->device == 0xa504)) { airo_print_dbg(dev->name, "Found an MPI350 card"); @@ -2838,6 +2881,18 @@ static struct net_device *_init_airo_card( unsigned short irq, int port, set_bit(FLAG_FLASHING, &ai->flags); } + /* Test for WPA support */ + if (airo_test_wpa_capable(ai)) { + set_bit(FLAG_WPA_CAPABLE, &ai->flags); + ai->bssListFirst = RID_WPA_BSSLISTFIRST; + ai->bssListNext = RID_WPA_BSSLISTNEXT; + ai->bssListRidLen = sizeof(BSSListRid); + } else { + ai->bssListFirst = RID_BSSLISTFIRST; + ai->bssListNext = RID_BSSLISTNEXT; + ai->bssListRidLen = sizeof(BSSListRid) - sizeof(BSSListRidExtra); + } + rc = register_netdev(dev); if (rc) { airo_print_err(dev->name, "Couldn't register_netdev"); @@ -2875,7 +2930,7 @@ err_out_irq: err_out_unlink: del_airo_dev(dev); err_out_thr: - set_bit(JOB_DIE, &ai->flags); + set_bit(JOB_DIE, &ai->jobs); kill_proc(ai->thr_pid, SIGTERM, 1); wait_for_completion(&ai->thr_exited); err_out_free: @@ -2933,7 +2988,7 @@ static void airo_send_event(struct net_device *dev) { union iwreq_data wrqu; StatusRid status_rid; - clear_bit(JOB_EVENT, &ai->flags); + clear_bit(JOB_EVENT, &ai->jobs); PC4500_readrid(ai, RID_STATUS, &status_rid, sizeof(status_rid), 0); up(&ai->sem); wrqu.data.length = 0; @@ -2947,7 +3002,7 @@ static void airo_send_event(struct net_device *dev) { static void airo_process_scan_results (struct airo_info *ai) { union iwreq_data wrqu; - BSSListRid BSSList; + BSSListRid bss; int rc; BSSListElement * loop_net; BSSListElement * tmp_net; @@ -2960,15 +3015,15 @@ static void airo_process_scan_results (struct airo_info *ai) { } /* Try to read the first entry of the scan result */ - rc = PC4500_readrid(ai, RID_BSSLISTFIRST, &BSSList, sizeof(BSSList), 0); - if((rc) || (BSSList.index == 0xffff)) { + rc = PC4500_readrid(ai, ai->bssListFirst, &bss, ai->bssListRidLen, 0); + if((rc) || (bss.index == 0xffff)) { /* No scan results */ goto out; } /* Read and parse all entries */ tmp_net = NULL; - while((!rc) && (BSSList.index != 0xffff)) { + while((!rc) && (bss.index != 0xffff)) { /* Grab a network off the free list */ if (!list_empty(&ai->network_free_list)) { tmp_net = list_entry(ai->network_free_list.next, @@ -2977,19 +3032,19 @@ static void airo_process_scan_results (struct airo_info *ai) { } if (tmp_net != NULL) { - memcpy(tmp_net, &BSSList, sizeof(tmp_net->bss)); + memcpy(tmp_net, &bss, sizeof(tmp_net->bss)); list_add_tail(&tmp_net->list, &ai->network_list); tmp_net = NULL; } /* Read next entry */ - rc = PC4500_readrid(ai, RID_BSSLISTNEXT, - &BSSList, sizeof(BSSList), 0); + rc = PC4500_readrid(ai, ai->bssListNext, + &bss, ai->bssListRidLen, 0); } out: ai->scan_timeout = 0; - clear_bit(JOB_SCAN_RESULTS, &ai->flags); + clear_bit(JOB_SCAN_RESULTS, &ai->jobs); up(&ai->sem); /* Send an empty event to user space. @@ -3019,10 +3074,10 @@ static int airo_thread(void *data) { /* make swsusp happy with our thread */ try_to_freeze(); - if (test_bit(JOB_DIE, &ai->flags)) + if (test_bit(JOB_DIE, &ai->jobs)) break; - if (ai->flags & JOB_MASK) { + if (ai->jobs) { locked = down_interruptible(&ai->sem); } else { wait_queue_t wait; @@ -3031,16 +3086,16 @@ static int airo_thread(void *data) { add_wait_queue(&ai->thr_wait, &wait); for (;;) { set_current_state(TASK_INTERRUPTIBLE); - if (ai->flags & JOB_MASK) + if (ai->jobs) break; if (ai->expires || ai->scan_timeout) { if (ai->scan_timeout && time_after_eq(jiffies,ai->scan_timeout)){ - set_bit(JOB_SCAN_RESULTS,&ai->flags); + set_bit(JOB_SCAN_RESULTS, &ai->jobs); break; } else if (ai->expires && time_after_eq(jiffies,ai->expires)){ - set_bit(JOB_AUTOWEP,&ai->flags); + set_bit(JOB_AUTOWEP, &ai->jobs); break; } if (!signal_pending(current)) { @@ -3069,7 +3124,7 @@ static int airo_thread(void *data) { if (locked) continue; - if (test_bit(JOB_DIE, &ai->flags)) { + if (test_bit(JOB_DIE, &ai->jobs)) { up(&ai->sem); break; } @@ -3079,23 +3134,23 @@ static int airo_thread(void *data) { continue; } - if (test_bit(JOB_XMIT, &ai->flags)) + if (test_bit(JOB_XMIT, &ai->jobs)) airo_end_xmit(dev); - else if (test_bit(JOB_XMIT11, &ai->flags)) + else if (test_bit(JOB_XMIT11, &ai->jobs)) airo_end_xmit11(dev); - else if (test_bit(JOB_STATS, &ai->flags)) + else if (test_bit(JOB_STATS, &ai->jobs)) airo_read_stats(ai); - else if (test_bit(JOB_WSTATS, &ai->flags)) + else if (test_bit(JOB_WSTATS, &ai->jobs)) airo_read_wireless_stats(ai); - else if (test_bit(JOB_PROMISC, &ai->flags)) + else if (test_bit(JOB_PROMISC, &ai->jobs)) airo_set_promisc(ai); - else if (test_bit(JOB_MIC, &ai->flags)) + else if (test_bit(JOB_MIC, &ai->jobs)) micinit(ai); - else if (test_bit(JOB_EVENT, &ai->flags)) + else if (test_bit(JOB_EVENT, &ai->jobs)) airo_send_event(dev); - else if (test_bit(JOB_AUTOWEP, &ai->flags)) + else if (test_bit(JOB_AUTOWEP, &ai->jobs)) timer_func(dev); - else if (test_bit(JOB_SCAN_RESULTS, &ai->flags)) + else if (test_bit(JOB_SCAN_RESULTS, &ai->jobs)) airo_process_scan_results(ai); else /* Shouldn't get here, but we make sure to unlock */ up(&ai->sem); @@ -3133,7 +3188,7 @@ static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) if ( status & EV_MIC ) { OUT4500( apriv, EVACK, EV_MIC ); if (test_bit(FLAG_MIC_CAPABLE, &apriv->flags)) { - set_bit(JOB_MIC, &apriv->flags); + set_bit(JOB_MIC, &apriv->jobs); wake_up_interruptible(&apriv->thr_wait); } } @@ -3187,7 +3242,7 @@ static irqreturn_t airo_interrupt ( int irq, void* dev_id, struct pt_regs *regs) set_bit(FLAG_UPDATE_MULTI, &apriv->flags); if (down_trylock(&apriv->sem) != 0) { - set_bit(JOB_EVENT, &apriv->flags); + set_bit(JOB_EVENT, &apriv->jobs); wake_up_interruptible(&apriv->thr_wait); } else airo_send_event(dev); @@ -5485,7 +5540,7 @@ static void timer_func( struct net_device *dev ) { up(&apriv->sem); /* Schedule check to see if the change worked */ - clear_bit(JOB_AUTOWEP, &apriv->flags); + clear_bit(JOB_AUTOWEP, &apriv->jobs); apriv->expires = RUN_AT(HZ*3); } @@ -6876,7 +6931,7 @@ static int airo_get_range(struct net_device *dev, } range->num_txpower = i; range->txpower_capa = IW_TXPOW_MWATT; - range->we_version_source = 12; + range->we_version_source = 19; range->we_version_compiled = WIRELESS_EXT; range->retry_capa = IW_RETRY_LIMIT | IW_RETRY_LIFETIME; range->retry_flags = IW_RETRY_LIMIT; @@ -7152,6 +7207,7 @@ static inline char *airo_translate_scan(struct net_device *dev, u16 capabilities; char * current_val; /* For rates */ int i; + char * buf; /* First entry *MUST* be the AP MAC address */ iwe.cmd = SIOCGIWAP; @@ -7238,8 +7294,69 @@ static inline char *airo_translate_scan(struct net_device *dev, if((current_val - current_ev) > IW_EV_LCP_LEN) current_ev = current_val; - /* The other data in the scan result are not really - * interesting, so for now drop it - Jean II */ + /* Beacon interval */ + buf = kmalloc(30, GFP_KERNEL); + if (buf) { + iwe.cmd = IWEVCUSTOM; + sprintf(buf, "bcn_int=%d", bss->beaconInterval); + iwe.u.data.length = strlen(buf); + current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, buf); + kfree(buf); + } + + /* Put WPA/RSN Information Elements into the event stream */ + if (test_bit(FLAG_WPA_CAPABLE, &ai->flags)) { + unsigned int num_null_ies = 0; + u16 length = sizeof (bss->extra.iep); + struct ieee80211_info_element *info_element = + (struct ieee80211_info_element *) &bss->extra.iep; + + while ((length >= sizeof(*info_element)) && (num_null_ies < 2)) { + if (sizeof(*info_element) + info_element->len > length) { + /* Invalid element, don't continue parsing IE */ + break; + } + + switch (info_element->id) { + case MFIE_TYPE_SSID: + /* Two zero-length SSID elements + * mean we're done parsing elements */ + if (!info_element->len) + num_null_ies++; + break; + + case MFIE_TYPE_GENERIC: + if (info_element->len >= 4 && + info_element->data[0] == 0x00 && + info_element->data[1] == 0x50 && + info_element->data[2] == 0xf2 && + info_element->data[3] == 0x01) { + iwe.cmd = IWEVGENIE; + iwe.u.data.length = min(info_element->len + 2, + MAX_WPA_IE_LEN); + current_ev = iwe_stream_add_point(current_ev, end_buf, + &iwe, (char *) info_element); + } + break; + + case MFIE_TYPE_RSN: + iwe.cmd = IWEVGENIE; + iwe.u.data.length = min(info_element->len + 2, + MAX_WPA_IE_LEN); + current_ev = iwe_stream_add_point(current_ev, end_buf, + &iwe, (char *) info_element); + break; + + default: + break; + } + + length -= sizeof(*info_element) + info_element->len; + info_element = + (struct ieee80211_info_element *)&info_element-> + data[info_element->len]; + } + } return current_ev; } @@ -7521,7 +7638,7 @@ static void airo_read_wireless_stats(struct airo_info *local) u32 *vals = stats_rid.vals; /* Get stats out of the card */ - clear_bit(JOB_WSTATS, &local->flags); + clear_bit(JOB_WSTATS, &local->jobs); if (local->power.event) { up(&local->sem); return; @@ -7565,10 +7682,10 @@ static struct iw_statistics *airo_get_wireless_stats(struct net_device *dev) { struct airo_info *local = dev->priv; - if (!test_bit(JOB_WSTATS, &local->flags)) { + if (!test_bit(JOB_WSTATS, &local->jobs)) { /* Get stats out of the card if available */ if (down_trylock(&local->sem) != 0) { - set_bit(JOB_WSTATS, &local->flags); + set_bit(JOB_WSTATS, &local->jobs); wake_up_interruptible(&local->thr_wait); } else airo_read_wireless_stats(local); diff --git a/drivers/net/wireless/bcm43xx/bcm43xx.h b/drivers/net/wireless/bcm43xx/bcm43xx.h index 2e83083935e1..e66fdb1f3cfd 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx.h +++ b/drivers/net/wireless/bcm43xx/bcm43xx.h @@ -645,7 +645,6 @@ struct bcm43xx_private { unsigned int irq; void __iomem *mmio_addr; - unsigned int mmio_len; /* Do not use the lock directly. Use the bcm43xx_lock* helper * functions, to be MMIO-safe. */ diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c index 35a4fcb6d923..7497fb16076e 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_debugfs.c @@ -92,7 +92,7 @@ static ssize_t devinfo_read_file(struct file *file, char __user *userbuf, fappend("subsystem_vendor: 0x%04x subsystem_device: 0x%04x\n", pci_dev->subsystem_vendor, pci_dev->subsystem_device); fappend("IRQ: %d\n", bcm->irq); - fappend("mmio_addr: 0x%p mmio_len: %u\n", bcm->mmio_addr, bcm->mmio_len); + fappend("mmio_addr: 0x%p\n", bcm->mmio_addr); fappend("chip_id: 0x%04x chip_rev: 0x%02x\n", bcm->chip_id, bcm->chip_rev); if ((bcm->core_80211[0].rev >= 3) && (bcm43xx_read32(bcm, 0x0158) & (1 << 16))) fappend("Radio disabled by hardware!\n"); diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c index 7ed18cad29f7..736dde96c4a3 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c @@ -128,13 +128,15 @@ MODULE_PARM_DESC(fwpostfix, "Postfix for .fw files. Useful for debugging."); static struct pci_device_id bcm43xx_pci_tbl[] = { /* Broadcom 4303 802.11b */ { PCI_VENDOR_ID_BROADCOM, 0x4301, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4307 802.11b */ + /* Broadcom 4307 802.11b */ { PCI_VENDOR_ID_BROADCOM, 0x4307, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4318 802.11b/g */ + /* Broadcom 4318 802.11b/g */ { PCI_VENDOR_ID_BROADCOM, 0x4318, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + /* Broadcom 4319 802.11a/b/g */ + { PCI_VENDOR_ID_BROADCOM, 0x4319, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* Broadcom 4306 802.11b/g */ { PCI_VENDOR_ID_BROADCOM, 0x4320, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, - /* Broadcom 4306 802.11a */ + /* Broadcom 4306 802.11a */ // { PCI_VENDOR_ID_BROADCOM, 0x4321, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, /* Broadcom 4309 802.11a/b/g */ { PCI_VENDOR_ID_BROADCOM, 0x4324, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, @@ -3299,8 +3301,7 @@ static void bcm43xx_detach_board(struct bcm43xx_private *bcm) bcm43xx_chipset_detach(bcm); /* Do _not_ access the chip, after it is detached. */ - iounmap(bcm->mmio_addr); - + pci_iounmap(pci_dev, bcm->mmio_addr); pci_release_regions(pci_dev); pci_disable_device(pci_dev); @@ -3390,40 +3391,26 @@ static int bcm43xx_attach_board(struct bcm43xx_private *bcm) struct net_device *net_dev = bcm->net_dev; int err; int i; - unsigned long mmio_start, mmio_flags, mmio_len; u32 coremask; err = pci_enable_device(pci_dev); if (err) { - printk(KERN_ERR PFX "unable to wake up pci device (%i)\n", err); + printk(KERN_ERR PFX "pci_enable_device() failed\n"); goto out; } - mmio_start = pci_resource_start(pci_dev, 0); - mmio_flags = pci_resource_flags(pci_dev, 0); - mmio_len = pci_resource_len(pci_dev, 0); - if (!(mmio_flags & IORESOURCE_MEM)) { - printk(KERN_ERR PFX - "%s, region #0 not an MMIO resource, aborting\n", - pci_name(pci_dev)); - err = -ENODEV; - goto err_pci_disable; - } err = pci_request_regions(pci_dev, KBUILD_MODNAME); if (err) { - printk(KERN_ERR PFX - "could not access PCI resources (%i)\n", err); + printk(KERN_ERR PFX "pci_request_regions() failed\n"); goto err_pci_disable; } /* enable PCI bus-mastering */ pci_set_master(pci_dev); - bcm->mmio_addr = ioremap(mmio_start, mmio_len); + bcm->mmio_addr = pci_iomap(pci_dev, 0, ~0UL); if (!bcm->mmio_addr) { - printk(KERN_ERR PFX "%s: cannot remap MMIO, aborting\n", - pci_name(pci_dev)); + printk(KERN_ERR PFX "pci_iomap() failed\n"); err = -EIO; goto err_pci_release; } - bcm->mmio_len = mmio_len; net_dev->base_addr = (unsigned long)bcm->mmio_addr; bcm43xx_pci_read_config16(bcm, PCI_SUBSYSTEM_VENDOR_ID, @@ -3517,7 +3504,7 @@ err_80211_unwind: err_chipset_detach: bcm43xx_chipset_detach(bcm); err_iounmap: - iounmap(bcm->mmio_addr); + pci_iounmap(pci_dev, bcm->mmio_addr); err_pci_release: pci_release_regions(pci_dev); err_pci_disable: @@ -3568,7 +3555,7 @@ static void bcm43xx_ieee80211_set_security(struct net_device *net_dev, unsigned long flags; int keyidx; - dprintk(KERN_INFO PFX "set security called\n"); + dprintk(KERN_INFO PFX "set security called"); bcm43xx_lock_mmio(bcm, flags); @@ -3581,24 +3568,25 @@ static void bcm43xx_ieee80211_set_security(struct net_device *net_dev, if (sec->flags & SEC_ACTIVE_KEY) { secinfo->active_key = sec->active_key; - dprintk(KERN_INFO PFX " .active_key = %d\n", sec->active_key); + dprintk(", .active_key = %d", sec->active_key); } if (sec->flags & SEC_UNICAST_GROUP) { secinfo->unicast_uses_group = sec->unicast_uses_group; - dprintk(KERN_INFO PFX " .unicast_uses_group = %d\n", sec->unicast_uses_group); + dprintk(", .unicast_uses_group = %d", sec->unicast_uses_group); } if (sec->flags & SEC_LEVEL) { secinfo->level = sec->level; - dprintk(KERN_INFO PFX " .level = %d\n", sec->level); + dprintk(", .level = %d", sec->level); } if (sec->flags & SEC_ENABLED) { secinfo->enabled = sec->enabled; - dprintk(KERN_INFO PFX " .enabled = %d\n", sec->enabled); + dprintk(", .enabled = %d", sec->enabled); } if (sec->flags & SEC_ENCRYPT) { secinfo->encrypt = sec->encrypt; - dprintk(KERN_INFO PFX " .encrypt = %d\n", sec->encrypt); + dprintk(", .encrypt = %d", sec->encrypt); } + dprintk("\n"); if (bcm->initialized && !bcm->ieee->host_encrypt) { if (secinfo->enabled) { /* upload WEP keys to hardware */ diff --git a/drivers/net/wireless/hermes.c b/drivers/net/wireless/hermes.c index 346c6febb033..2aa2f389c0d5 100644 --- a/drivers/net/wireless/hermes.c +++ b/drivers/net/wireless/hermes.c @@ -121,12 +121,6 @@ void hermes_struct_init(hermes_t *hw, void __iomem *address, int reg_spacing) hw->iobase = address; hw->reg_spacing = reg_spacing; hw->inten = 0x0; - -#ifdef HERMES_DEBUG_BUFFER - hw->dbufp = 0; - memset(&hw->dbuf, 0xff, sizeof(hw->dbuf)); - memset(&hw->profile, 0, sizeof(hw->profile)); -#endif } int hermes_init(hermes_t *hw) @@ -347,19 +341,6 @@ static int hermes_bap_seek(hermes_t *hw, int bap, u16 id, u16 offset) reg = hermes_read_reg(hw, oreg); } -#ifdef HERMES_DEBUG_BUFFER - hw->profile[HERMES_BAP_BUSY_TIMEOUT - k]++; - - if (k < HERMES_BAP_BUSY_TIMEOUT) { - struct hermes_debug_entry *e = - &hw->dbuf[(hw->dbufp++) % HERMES_DEBUG_BUFSIZE]; - e->bap = bap; - e->id = id; - e->offset = offset; - e->cycles = HERMES_BAP_BUSY_TIMEOUT - k; - } -#endif - if (reg & HERMES_OFFSET_BUSY) return -ETIMEDOUT; @@ -419,8 +400,7 @@ int hermes_bap_pread(hermes_t *hw, int bap, void *buf, int len, } /* Write a block of data to the chip's buffer, via the - * BAP. Synchronization/serialization is the caller's problem. len - * must be even. + * BAP. Synchronization/serialization is the caller's problem. * * Returns: < 0 on internal failure (errno), 0 on success, > 0 on error from firmware */ @@ -430,7 +410,7 @@ int hermes_bap_pwrite(hermes_t *hw, int bap, const void *buf, int len, int dreg = bap ? HERMES_DATA1 : HERMES_DATA0; int err = 0; - if ( (len < 0) || (len % 2) ) + if (len < 0) return -EINVAL; err = hermes_bap_seek(hw, bap, id, offset); @@ -438,49 +418,12 @@ int hermes_bap_pwrite(hermes_t *hw, int bap, const void *buf, int len, goto out; /* Actually do the transfer */ - hermes_write_words(hw, dreg, buf, len/2); + hermes_write_bytes(hw, dreg, buf, len); out: return err; } -/* Write a block of data to the chip's buffer with padding if - * neccessary, via the BAP. Synchronization/serialization is the - * caller's problem. len must be even. - * - * Returns: < 0 on internal failure (errno), 0 on success, > 0 on error from firmware - */ -int hermes_bap_pwrite_pad(hermes_t *hw, int bap, const void *buf, unsigned data_len, int len, - u16 id, u16 offset) -{ - int dreg = bap ? HERMES_DATA1 : HERMES_DATA0; - int err = 0; - - if (len < 0 || len % 2 || data_len > len) - return -EINVAL; - - err = hermes_bap_seek(hw, bap, id, offset); - if (err) - goto out; - - /* Transfer all the complete words of data */ - hermes_write_words(hw, dreg, buf, data_len/2); - /* If there is an odd byte left over pad and transfer it */ - if (data_len & 1) { - u8 end[2]; - end[1] = 0; - end[0] = ((unsigned char *)buf)[data_len - 1]; - hermes_write_words(hw, dreg, end, 1); - data_len ++; - } - /* Now send zeros for the padding */ - if (data_len < len) - hermes_clear_words(hw, dreg, (len - data_len) / 2); - /* Complete */ - out: - return err; -} - /* Read a Length-Type-Value record from the card. * * If length is NULL, we ignore the length read from the card, and @@ -553,7 +496,7 @@ int hermes_write_ltv(hermes_t *hw, int bap, u16 rid, count = length - 1; - hermes_write_words(hw, dreg, value, count); + hermes_write_bytes(hw, dreg, value, count << 1); err = hermes_docmd_wait(hw, HERMES_CMD_ACCESS | HERMES_CMD_WRITE, rid, NULL); @@ -568,7 +511,6 @@ EXPORT_SYMBOL(hermes_allocate); EXPORT_SYMBOL(hermes_bap_pread); EXPORT_SYMBOL(hermes_bap_pwrite); -EXPORT_SYMBOL(hermes_bap_pwrite_pad); EXPORT_SYMBOL(hermes_read_ltv); EXPORT_SYMBOL(hermes_write_ltv); diff --git a/drivers/net/wireless/hermes.h b/drivers/net/wireless/hermes.h index 7644f72a9f4e..8e3f0e3edb58 100644 --- a/drivers/net/wireless/hermes.h +++ b/drivers/net/wireless/hermes.h @@ -328,16 +328,6 @@ struct hermes_multicast { u8 addr[HERMES_MAX_MULTICAST][ETH_ALEN]; } __attribute__ ((packed)); -// #define HERMES_DEBUG_BUFFER 1 -#define HERMES_DEBUG_BUFSIZE 4096 -struct hermes_debug_entry { - int bap; - u16 id, offset; - int cycles; -}; - -#ifdef __KERNEL__ - /* Timeouts */ #define HERMES_BAP_BUSY_TIMEOUT (10000) /* In iterations of ~1us */ @@ -347,14 +337,7 @@ typedef struct hermes { int reg_spacing; #define HERMES_16BIT_REGSPACING 0 #define HERMES_32BIT_REGSPACING 1 - u16 inten; /* Which interrupts should be enabled? */ - -#ifdef HERMES_DEBUG_BUFFER - struct hermes_debug_entry dbuf[HERMES_DEBUG_BUFSIZE]; - unsigned long dbufp; - unsigned long profile[HERMES_BAP_BUSY_TIMEOUT+1]; -#endif } hermes_t; /* Register access convenience macros */ @@ -376,8 +359,6 @@ int hermes_bap_pread(hermes_t *hw, int bap, void *buf, int len, u16 id, u16 offset); int hermes_bap_pwrite(hermes_t *hw, int bap, const void *buf, int len, u16 id, u16 offset); -int hermes_bap_pwrite_pad(hermes_t *hw, int bap, const void *buf, - unsigned data_len, int len, u16 id, u16 offset); int hermes_read_ltv(hermes_t *hw, int bap, u16 rid, unsigned buflen, u16 *length, void *buf); int hermes_write_ltv(hermes_t *hw, int bap, u16 rid, @@ -425,10 +406,13 @@ static inline void hermes_read_words(struct hermes *hw, int off, void *buf, unsi ioread16_rep(hw->iobase + off, buf, count); } -static inline void hermes_write_words(struct hermes *hw, int off, const void *buf, unsigned count) +static inline void hermes_write_bytes(struct hermes *hw, int off, + const char *buf, unsigned count) { off = off << hw->reg_spacing; - iowrite16_rep(hw->iobase + off, buf, count); + iowrite16_rep(hw->iobase + off, buf, count >> 1); + if (unlikely(count & 1)) + iowrite8(buf[count - 1], hw->iobase + off); } static inline void hermes_clear_words(struct hermes *hw, int off, unsigned count) @@ -462,21 +446,4 @@ static inline int hermes_write_wordrec(hermes_t *hw, int bap, u16 rid, u16 word) return HERMES_WRITE_RECORD(hw, bap, rid, &rec); } -#else /* ! __KERNEL__ */ - -/* These are provided for the benefit of userspace drivers and testing programs - which use ioperm() or iopl() */ - -#define hermes_read_reg(base, off) (inw((base) + (off))) -#define hermes_write_reg(base, off, val) (outw((val), (base) + (off))) - -#define hermes_read_regn(base, name) (hermes_read_reg((base), HERMES_##name)) -#define hermes_write_regn(base, name, val) (hermes_write_reg((base), HERMES_##name, (val))) - -/* Note that for the next two, the count is in 16-bit words, not bytes */ -#define hermes_read_data(base, off, buf, count) (insw((base) + (off), (buf), (count))) -#define hermes_write_data(base, off, buf, count) (outsw((base) + (off), (buf), (count))) - -#endif /* ! __KERNEL__ */ - #endif /* _HERMES_H */ diff --git a/drivers/net/wireless/hostap/hostap_80211_tx.c b/drivers/net/wireless/hostap/hostap_80211_tx.c index 06a5214145e3..4a5be70c0419 100644 --- a/drivers/net/wireless/hostap/hostap_80211_tx.c +++ b/drivers/net/wireless/hostap/hostap_80211_tx.c @@ -534,5 +534,4 @@ int hostap_master_start_xmit(struct sk_buff *skb, struct net_device *dev) } -EXPORT_SYMBOL(hostap_dump_tx_80211); EXPORT_SYMBOL(hostap_master_start_xmit); diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c index 06c3fa32b310..ba13125024cb 100644 --- a/drivers/net/wireless/hostap/hostap_ap.c +++ b/drivers/net/wireless/hostap/hostap_ap.c @@ -3276,17 +3276,6 @@ EXPORT_SYMBOL(hostap_init_data); EXPORT_SYMBOL(hostap_init_ap_proc); EXPORT_SYMBOL(hostap_free_data); EXPORT_SYMBOL(hostap_check_sta_fw_version); -EXPORT_SYMBOL(hostap_handle_sta_tx); -EXPORT_SYMBOL(hostap_handle_sta_release); EXPORT_SYMBOL(hostap_handle_sta_tx_exc); -EXPORT_SYMBOL(hostap_update_sta_ps); -EXPORT_SYMBOL(hostap_handle_sta_rx); -EXPORT_SYMBOL(hostap_is_sta_assoc); -EXPORT_SYMBOL(hostap_is_sta_authorized); -EXPORT_SYMBOL(hostap_add_sta); -EXPORT_SYMBOL(hostap_update_rates); -EXPORT_SYMBOL(hostap_add_wds_links); -EXPORT_SYMBOL(hostap_wds_link_oper); #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT -EXPORT_SYMBOL(hostap_deauth_all_stas); #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */ diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c index 55bed923fbe9..db03dc2646df 100644 --- a/drivers/net/wireless/hostap/hostap_cs.c +++ b/drivers/net/wireless/hostap/hostap_cs.c @@ -881,6 +881,12 @@ static struct pcmcia_device_id hostap_cs_ids[] = { PCMCIA_DEVICE_PROD_ID12( "ZoomAir 11Mbps High", "Rate wireless Networking", 0x273fe3db, 0x32a1eaee), + PCMCIA_DEVICE_PROD_ID123( + "Pretec", "CompactWLAN Card 802.11b", "2.5", + 0x1cadd3e5, 0xe697636c, 0x7a5bfcf1), + PCMCIA_DEVICE_PROD_ID123( + "U.S. Robotics", "IEEE 802.11b PC-CARD", "Version 01.02", + 0xc7b8df9d, 0x1700d087, 0x4b74baa0), PCMCIA_DEVICE_NULL }; MODULE_DEVICE_TABLE(pcmcia, hostap_cs_ids); diff --git a/drivers/net/wireless/hostap/hostap_main.c b/drivers/net/wireless/hostap/hostap_main.c index 8dd4c4446a64..93786f4218f0 100644 --- a/drivers/net/wireless/hostap/hostap_main.c +++ b/drivers/net/wireless/hostap/hostap_main.c @@ -1125,11 +1125,9 @@ EXPORT_SYMBOL(hostap_set_auth_algs); EXPORT_SYMBOL(hostap_dump_rx_header); EXPORT_SYMBOL(hostap_dump_tx_header); EXPORT_SYMBOL(hostap_80211_header_parse); -EXPORT_SYMBOL(hostap_80211_prism_header_parse); EXPORT_SYMBOL(hostap_80211_get_hdrlen); EXPORT_SYMBOL(hostap_get_stats); EXPORT_SYMBOL(hostap_setup_dev); -EXPORT_SYMBOL(hostap_proc); EXPORT_SYMBOL(hostap_set_multicast_list_queue); EXPORT_SYMBOL(hostap_set_hostapd); EXPORT_SYMBOL(hostap_set_hostapd_sta); diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index bca89cff85a6..39f82f219749 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -33,7 +33,44 @@ #include "ipw2200.h" #include <linux/version.h> -#define IPW2200_VERSION "git-1.1.1" + +#ifndef KBUILD_EXTMOD +#define VK "k" +#else +#define VK +#endif + +#ifdef CONFIG_IPW2200_DEBUG +#define VD "d" +#else +#define VD +#endif + +#ifdef CONFIG_IPW2200_MONITOR +#define VM "m" +#else +#define VM +#endif + +#ifdef CONFIG_IPW2200_PROMISCUOUS +#define VP "p" +#else +#define VP +#endif + +#ifdef CONFIG_IPW2200_RADIOTAP +#define VR "r" +#else +#define VR +#endif + +#ifdef CONFIG_IPW2200_QOS +#define VQ "q" +#else +#define VQ +#endif + +#define IPW2200_VERSION "1.1.2" VK VD VM VP VR VQ #define DRV_DESCRIPTION "Intel(R) PRO/Wireless 2200/2915 Network Driver" #define DRV_COPYRIGHT "Copyright(c) 2003-2006 Intel Corporation" #define DRV_VERSION IPW2200_VERSION @@ -46,7 +83,9 @@ MODULE_AUTHOR(DRV_COPYRIGHT); MODULE_LICENSE("GPL"); static int cmdlog = 0; +#ifdef CONFIG_IPW2200_DEBUG static int debug = 0; +#endif static int channel = 0; static int mode = 0; @@ -61,8 +100,14 @@ static int roaming = 1; static const char ipw_modes[] = { 'a', 'b', 'g', '?' }; +static int antenna = CFG_SYS_ANTENNA_BOTH; -#ifdef CONFIG_IPW_QOS +#ifdef CONFIG_IPW2200_PROMISCUOUS +static int rtap_iface = 0; /* def: 0 -- do not create rtap interface */ +#endif + + +#ifdef CONFIG_IPW2200_QOS static int qos_enable = 0; static int qos_burst_enable = 0; static int qos_no_ack_mask = 0; @@ -126,7 +171,7 @@ static int ipw_send_qos_params_command(struct ipw_priv *priv, struct ieee80211_q *qos_param); static int ipw_send_qos_info_command(struct ipw_priv *priv, struct ieee80211_qos_information_element *qos_param); -#endif /* CONFIG_IPW_QOS */ +#endif /* CONFIG_IPW2200_QOS */ static struct iw_statistics *ipw_get_wireless_stats(struct net_device *dev); static void ipw_remove_current_network(struct ipw_priv *priv); @@ -1269,6 +1314,105 @@ static ssize_t show_cmd_log(struct device *d, static DEVICE_ATTR(cmd_log, S_IRUGO, show_cmd_log, NULL); +#ifdef CONFIG_IPW2200_PROMISCUOUS +static void ipw_prom_free(struct ipw_priv *priv); +static int ipw_prom_alloc(struct ipw_priv *priv); +static ssize_t store_rtap_iface(struct device *d, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct ipw_priv *priv = dev_get_drvdata(d); + int rc = 0; + + if (count < 1) + return -EINVAL; + + switch (buf[0]) { + case '0': + if (!rtap_iface) + return count; + + if (netif_running(priv->prom_net_dev)) { + IPW_WARNING("Interface is up. Cannot unregister.\n"); + return count; + } + + ipw_prom_free(priv); + rtap_iface = 0; + break; + + case '1': + if (rtap_iface) + return count; + + rc = ipw_prom_alloc(priv); + if (!rc) + rtap_iface = 1; + break; + + default: + return -EINVAL; + } + + if (rc) { + IPW_ERROR("Failed to register promiscuous network " + "device (error %d).\n", rc); + } + + return count; +} + +static ssize_t show_rtap_iface(struct device *d, + struct device_attribute *attr, + char *buf) +{ + struct ipw_priv *priv = dev_get_drvdata(d); + if (rtap_iface) + return sprintf(buf, "%s", priv->prom_net_dev->name); + else { + buf[0] = '-'; + buf[1] = '1'; + buf[2] = '\0'; + return 3; + } +} + +static DEVICE_ATTR(rtap_iface, S_IWUSR | S_IRUSR, show_rtap_iface, + store_rtap_iface); + +static ssize_t store_rtap_filter(struct device *d, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct ipw_priv *priv = dev_get_drvdata(d); + + if (!priv->prom_priv) { + IPW_ERROR("Attempting to set filter without " + "rtap_iface enabled.\n"); + return -EPERM; + } + + priv->prom_priv->filter = simple_strtol(buf, NULL, 0); + + IPW_DEBUG_INFO("Setting rtap filter to " BIT_FMT16 "\n", + BIT_ARG16(priv->prom_priv->filter)); + + return count; +} + +static ssize_t show_rtap_filter(struct device *d, + struct device_attribute *attr, + char *buf) +{ + struct ipw_priv *priv = dev_get_drvdata(d); + return sprintf(buf, "0x%04X", + priv->prom_priv ? priv->prom_priv->filter : 0); +} + +static DEVICE_ATTR(rtap_filter, S_IWUSR | S_IRUSR, show_rtap_filter, + store_rtap_filter); +#endif + static ssize_t show_scan_age(struct device *d, struct device_attribute *attr, char *buf) { @@ -2025,16 +2169,11 @@ static int ipw_send_host_complete(struct ipw_priv *priv) return ipw_send_cmd_simple(priv, IPW_CMD_HOST_COMPLETE); } -static int ipw_send_system_config(struct ipw_priv *priv, - struct ipw_sys_config *config) +static int ipw_send_system_config(struct ipw_priv *priv) { - if (!priv || !config) { - IPW_ERROR("Invalid args\n"); - return -1; - } - - return ipw_send_cmd_pdu(priv, IPW_CMD_SYSTEM_CONFIG, sizeof(*config), - config); + return ipw_send_cmd_pdu(priv, IPW_CMD_SYSTEM_CONFIG, + sizeof(priv->sys_config), + &priv->sys_config); } static int ipw_send_ssid(struct ipw_priv *priv, u8 * ssid, int len) @@ -3104,10 +3243,10 @@ static int ipw_reset_nic(struct ipw_priv *priv) struct ipw_fw { - u32 ver; - u32 boot_size; - u32 ucode_size; - u32 fw_size; + __le32 ver; + __le32 boot_size; + __le32 ucode_size; + __le32 fw_size; u8 data[0]; }; @@ -3131,8 +3270,8 @@ static int ipw_get_fw(struct ipw_priv *priv, fw = (void *)(*raw)->data; - if ((*raw)->size < sizeof(*fw) + - fw->boot_size + fw->ucode_size + fw->fw_size) { + if ((*raw)->size < sizeof(*fw) + le32_to_cpu(fw->boot_size) + + le32_to_cpu(fw->ucode_size) + le32_to_cpu(fw->fw_size)) { IPW_ERROR("%s is too small or corrupt (%zd)\n", name, (*raw)->size); return -EINVAL; @@ -3237,8 +3376,9 @@ static int ipw_load(struct ipw_priv *priv) fw = (void *)raw->data; boot_img = &fw->data[0]; - ucode_img = &fw->data[fw->boot_size]; - fw_img = &fw->data[fw->boot_size + fw->ucode_size]; + ucode_img = &fw->data[le32_to_cpu(fw->boot_size)]; + fw_img = &fw->data[le32_to_cpu(fw->boot_size) + + le32_to_cpu(fw->ucode_size)]; if (rc < 0) goto error; @@ -3272,7 +3412,7 @@ static int ipw_load(struct ipw_priv *priv) IPW_NIC_SRAM_UPPER_BOUND - IPW_NIC_SRAM_LOWER_BOUND); /* DMA the initial boot firmware into the device */ - rc = ipw_load_firmware(priv, boot_img, fw->boot_size); + rc = ipw_load_firmware(priv, boot_img, le32_to_cpu(fw->boot_size)); if (rc < 0) { IPW_ERROR("Unable to load boot firmware: %d\n", rc); goto error; @@ -3294,7 +3434,7 @@ static int ipw_load(struct ipw_priv *priv) ipw_write32(priv, IPW_INTA_RW, IPW_INTA_BIT_FW_INITIALIZATION_DONE); /* DMA the ucode into the device */ - rc = ipw_load_ucode(priv, ucode_img, fw->ucode_size); + rc = ipw_load_ucode(priv, ucode_img, le32_to_cpu(fw->ucode_size)); if (rc < 0) { IPW_ERROR("Unable to load ucode: %d\n", rc); goto error; @@ -3304,7 +3444,7 @@ static int ipw_load(struct ipw_priv *priv) ipw_stop_nic(priv); /* DMA bss firmware into the device */ - rc = ipw_load_firmware(priv, fw_img, fw->fw_size); + rc = ipw_load_firmware(priv, fw_img, le32_to_cpu(fw->fw_size)); if (rc < 0) { IPW_ERROR("Unable to load firmware: %d\n", rc); goto error; @@ -3700,7 +3840,17 @@ static void ipw_bg_disassociate(void *data) static void ipw_system_config(void *data) { struct ipw_priv *priv = data; - ipw_send_system_config(priv, &priv->sys_config); + +#ifdef CONFIG_IPW2200_PROMISCUOUS + if (priv->prom_net_dev && netif_running(priv->prom_net_dev)) { + priv->sys_config.accept_all_data_frames = 1; + priv->sys_config.accept_non_directed_frames = 1; + priv->sys_config.accept_all_mgmt_bcpr = 1; + priv->sys_config.accept_all_mgmt_frames = 1; + } +#endif + + ipw_send_system_config(priv); } struct ipw_status_code { @@ -3771,6 +3921,13 @@ static void inline average_init(struct average *avg) memset(avg, 0, sizeof(*avg)); } +#define DEPTH_RSSI 8 +#define DEPTH_NOISE 16 +static s16 exponential_average(s16 prev_avg, s16 val, u8 depth) +{ + return ((depth-1)*prev_avg + val)/depth; +} + static void average_add(struct average *avg, s16 val) { avg->sum -= avg->entries[avg->pos]; @@ -3800,8 +3957,8 @@ static void ipw_reset_stats(struct ipw_priv *priv) priv->quality = 0; average_init(&priv->average_missed_beacons); - average_init(&priv->average_rssi); - average_init(&priv->average_noise); + priv->exp_avg_rssi = -60; + priv->exp_avg_noise = -85 + 0x100; priv->last_rate = 0; priv->last_missed_beacons = 0; @@ -4008,7 +4165,7 @@ static void ipw_gather_stats(struct ipw_priv *priv) IPW_DEBUG_STATS("Tx quality : %3d%% (%u errors, %u packets)\n", tx_quality, tx_failures_delta, tx_packets_delta); - rssi = average_value(&priv->average_rssi); + rssi = priv->exp_avg_rssi; signal_quality = (100 * (priv->ieee->perfect_rssi - priv->ieee->worst_rssi) * @@ -4185,7 +4342,7 @@ static void ipw_rx_notification(struct ipw_priv *priv, queue_work(priv->workqueue, &priv->system_config); -#ifdef CONFIG_IPW_QOS +#ifdef CONFIG_IPW2200_QOS #define IPW_GET_PACKET_STYPE(x) WLAN_FC_GET_STYPE( \ le16_to_cpu(((struct ieee80211_hdr *)(x))->frame_ctl)) if ((priv->status & STATUS_AUTH) && @@ -4482,6 +4639,24 @@ static void ipw_rx_notification(struct ipw_priv *priv, && priv->status & STATUS_ASSOCIATED) queue_delayed_work(priv->workqueue, &priv->request_scan, HZ); + + /* Send an empty event to user space. + * We don't send the received data on the event because + * it would require us to do complex transcoding, and + * we want to minimise the work done in the irq handler + * Use a request to extract the data. + * Also, we generate this even for any scan, regardless + * on how the scan was initiated. User space can just + * sync on periodic scan to get fresh data... + * Jean II */ + if (x->status == SCAN_COMPLETED_STATUS_COMPLETE) { + union iwreq_data wrqu; + + wrqu.data.length = 0; + wrqu.data.flags = 0; + wireless_send_event(priv->net_dev, SIOCGIWSCAN, + &wrqu, NULL); + } break; } @@ -4577,11 +4752,10 @@ static void ipw_rx_notification(struct ipw_priv *priv, case HOST_NOTIFICATION_NOISE_STATS:{ if (notif->size == sizeof(u32)) { - priv->last_noise = - (u8) (le32_to_cpu(notif->u.noise.value) & - 0xff); - average_add(&priv->average_noise, - priv->last_noise); + priv->exp_avg_noise = + exponential_average(priv->exp_avg_noise, + (u8) (le32_to_cpu(notif->u.noise.value) & 0xff), + DEPTH_NOISE); break; } @@ -6170,8 +6344,6 @@ static void ipw_wpa_assoc_frame(struct ipw_priv *priv, char *wpa_ie, { /* make sure WPA is enabled */ ipw_wpa_enable(priv, 1); - - ipw_disassociate(priv); } static int ipw_set_rsn_capa(struct ipw_priv *priv, @@ -6365,6 +6537,7 @@ static int ipw_wx_set_auth(struct net_device *dev, case IW_AUTH_WPA_ENABLED: ret = ipw_wpa_enable(priv, param->value); + ipw_disassociate(priv); break; case IW_AUTH_RX_UNENCRYPTED_EAPOL: @@ -6506,7 +6679,7 @@ static int ipw_wx_set_mlme(struct net_device *dev, return 0; } -#ifdef CONFIG_IPW_QOS +#ifdef CONFIG_IPW2200_QOS /* QoS */ /* @@ -6853,61 +7026,55 @@ static int ipw_get_tx_queue_number(struct ipw_priv *priv, u16 priority) return from_priority_to_tx_queue[priority] - 1; } -/* -* add QoS parameter to the TX command -*/ -static int ipw_qos_set_tx_queue_command(struct ipw_priv *priv, - u16 priority, - struct tfd_data *tfd, u8 unicast) +static int ipw_is_qos_active(struct net_device *dev, + struct sk_buff *skb) { - int ret = 0; - int tx_queue_id = 0; + struct ipw_priv *priv = ieee80211_priv(dev); struct ieee80211_qos_data *qos_data = NULL; int active, supported; - unsigned long flags; + u8 *daddr = skb->data + ETH_ALEN; + int unicast = !is_multicast_ether_addr(daddr); if (!(priv->status & STATUS_ASSOCIATED)) return 0; qos_data = &priv->assoc_network->qos_data; - spin_lock_irqsave(&priv->ieee->lock, flags); - if (priv->ieee->iw_mode == IW_MODE_ADHOC) { if (unicast == 0) qos_data->active = 0; else qos_data->active = qos_data->supported; } - active = qos_data->active; supported = qos_data->supported; - - spin_unlock_irqrestore(&priv->ieee->lock, flags); - IPW_DEBUG_QOS("QoS %d network is QoS active %d supported %d " "unicast %d\n", priv->qos_data.qos_enable, active, supported, unicast); - if (active && priv->qos_data.qos_enable) { - ret = from_priority_to_tx_queue[priority]; - tx_queue_id = ret - 1; - IPW_DEBUG_QOS("QoS packet priority is %d \n", priority); - if (priority <= 7) { - tfd->tx_flags_ext |= DCT_FLAG_EXT_QOS_ENABLED; - tfd->tfd.tfd_26.mchdr.qos_ctrl = priority; - tfd->tfd.tfd_26.mchdr.frame_ctl |= - IEEE80211_STYPE_QOS_DATA; - - if (priv->qos_data.qos_no_ack_mask & - (1UL << tx_queue_id)) { - tfd->tx_flags &= ~DCT_FLAG_ACK_REQD; - tfd->tfd.tfd_26.mchdr.qos_ctrl |= - CTRL_QOS_NO_ACK; - } - } - } + if (active && priv->qos_data.qos_enable) + return 1; - return ret; + return 0; + +} +/* +* add QoS parameter to the TX command +*/ +static int ipw_qos_set_tx_queue_command(struct ipw_priv *priv, + u16 priority, + struct tfd_data *tfd) +{ + int tx_queue_id = 0; + + + tx_queue_id = from_priority_to_tx_queue[priority] - 1; + tfd->tx_flags_ext |= DCT_FLAG_EXT_QOS_ENABLED; + + if (priv->qos_data.qos_no_ack_mask & (1UL << tx_queue_id)) { + tfd->tx_flags &= ~DCT_FLAG_ACK_REQD; + tfd->tfd.tfd_26.mchdr.qos_ctrl |= CTRL_QOS_NO_ACK; + } + return 0; } /* @@ -6977,7 +7144,7 @@ static int ipw_send_qos_info_command(struct ipw_priv *priv, struct ieee80211_qos qos_param); } -#endif /* CONFIG_IPW_QOS */ +#endif /* CONFIG_IPW2200_QOS */ static int ipw_associate_network(struct ipw_priv *priv, struct ieee80211_network *network, @@ -7116,7 +7283,7 @@ static int ipw_associate_network(struct ipw_priv *priv, else priv->sys_config.answer_broadcast_ssid_probe = 0; - err = ipw_send_system_config(priv, &priv->sys_config); + err = ipw_send_system_config(priv); if (err) { IPW_DEBUG_HC("Attempt to send sys config command failed.\n"); return err; @@ -7141,7 +7308,7 @@ static int ipw_associate_network(struct ipw_priv *priv, priv->assoc_network = network; -#ifdef CONFIG_IPW_QOS +#ifdef CONFIG_IPW2200_QOS ipw_qos_association(priv, network); #endif @@ -7415,7 +7582,7 @@ static void ipw_handle_data_packet(struct ipw_priv *priv, } } -#ifdef CONFIG_IEEE80211_RADIOTAP +#ifdef CONFIG_IPW2200_RADIOTAP static void ipw_handle_data_packet_monitor(struct ipw_priv *priv, struct ipw_rx_mem_buffer *rxb, struct ieee80211_rx_stats *stats) @@ -7432,15 +7599,7 @@ static void ipw_handle_data_packet_monitor(struct ipw_priv *priv, /* Magic struct that slots into the radiotap header -- no reason * to build this manually element by element, we can write it much * more efficiently than we can parse it. ORDER MATTERS HERE */ - struct ipw_rt_hdr { - struct ieee80211_radiotap_header rt_hdr; - u8 rt_flags; /* radiotap packet flags */ - u8 rt_rate; /* rate in 500kb/s */ - u16 rt_channel; /* channel in mhz */ - u16 rt_chbitmask; /* channel bitfield */ - s8 rt_dbmsignal; /* signal in dbM, kluged to signed */ - u8 rt_antenna; /* antenna number */ - } *ipw_rt; + struct ipw_rt_hdr *ipw_rt; short len = le16_to_cpu(pkt->u.frame.length); @@ -7494,9 +7653,11 @@ static void ipw_handle_data_packet_monitor(struct ipw_priv *priv, /* Big bitfield of all the fields we provide in radiotap */ ipw_rt->rt_hdr.it_present = ((1 << IEEE80211_RADIOTAP_FLAGS) | + (1 << IEEE80211_RADIOTAP_TSFT) | (1 << IEEE80211_RADIOTAP_RATE) | (1 << IEEE80211_RADIOTAP_CHANNEL) | (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | + (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) | (1 << IEEE80211_RADIOTAP_ANTENNA)); /* Zero the flags, we'll add to them as we go */ @@ -7582,6 +7743,217 @@ static void ipw_handle_data_packet_monitor(struct ipw_priv *priv, } #endif +#ifdef CONFIG_IPW2200_PROMISCUOUS +#define ieee80211_is_probe_response(fc) \ + ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT && \ + (fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP ) + +#define ieee80211_is_management(fc) \ + ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) + +#define ieee80211_is_control(fc) \ + ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL) + +#define ieee80211_is_data(fc) \ + ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) + +#define ieee80211_is_assoc_request(fc) \ + ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_ASSOC_REQ) + +#define ieee80211_is_reassoc_request(fc) \ + ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_REASSOC_REQ) + +static void ipw_handle_promiscuous_rx(struct ipw_priv *priv, + struct ipw_rx_mem_buffer *rxb, + struct ieee80211_rx_stats *stats) +{ + struct ipw_rx_packet *pkt = (struct ipw_rx_packet *)rxb->skb->data; + struct ipw_rx_frame *frame = &pkt->u.frame; + struct ipw_rt_hdr *ipw_rt; + + /* First cache any information we need before we overwrite + * the information provided in the skb from the hardware */ + struct ieee80211_hdr *hdr; + u16 channel = frame->received_channel; + u8 phy_flags = frame->antennaAndPhy; + s8 signal = frame->rssi_dbm - IPW_RSSI_TO_DBM; + s8 noise = frame->noise; + u8 rate = frame->rate; + short len = le16_to_cpu(pkt->u.frame.length); + u64 tsf = 0; + struct sk_buff *skb; + int hdr_only = 0; + u16 filter = priv->prom_priv->filter; + + /* If the filter is set to not include Rx frames then return */ + if (filter & IPW_PROM_NO_RX) + return; + + /* We received data from the HW, so stop the watchdog */ + priv->prom_net_dev->trans_start = jiffies; + + if (unlikely((len + IPW_RX_FRAME_SIZE) > skb_tailroom(rxb->skb))) { + priv->prom_priv->ieee->stats.rx_errors++; + IPW_DEBUG_DROP("Corruption detected! Oh no!\n"); + return; + } + + /* We only process data packets if the interface is open */ + if (unlikely(!netif_running(priv->prom_net_dev))) { + priv->prom_priv->ieee->stats.rx_dropped++; + IPW_DEBUG_DROP("Dropping packet while interface is not up.\n"); + return; + } + + /* Libpcap 0.9.3+ can handle variable length radiotap, so we'll use + * that now */ + if (len > IPW_RX_BUF_SIZE - sizeof(struct ipw_rt_hdr)) { + /* FIXME: Should alloc bigger skb instead */ + priv->prom_priv->ieee->stats.rx_dropped++; + IPW_DEBUG_DROP("Dropping too large packet in monitor\n"); + return; + } + + hdr = (void *)rxb->skb->data + IPW_RX_FRAME_SIZE; + if (ieee80211_is_management(hdr->frame_ctl)) { + if (filter & IPW_PROM_NO_MGMT) + return; + if (filter & IPW_PROM_MGMT_HEADER_ONLY) + hdr_only = 1; + } else if (ieee80211_is_control(hdr->frame_ctl)) { + if (filter & IPW_PROM_NO_CTL) + return; + if (filter & IPW_PROM_CTL_HEADER_ONLY) + hdr_only = 1; + } else if (ieee80211_is_data(hdr->frame_ctl)) { + if (filter & IPW_PROM_NO_DATA) + return; + if (filter & IPW_PROM_DATA_HEADER_ONLY) + hdr_only = 1; + } + + /* Copy the SKB since this is for the promiscuous side */ + skb = skb_copy(rxb->skb, GFP_ATOMIC); + if (skb == NULL) { + IPW_ERROR("skb_clone failed for promiscuous copy.\n"); + return; + } + + /* copy the frame data to write after where the radiotap header goes */ + ipw_rt = (void *)skb->data; + + if (hdr_only) + len = ieee80211_get_hdrlen(hdr->frame_ctl); + + memcpy(ipw_rt->payload, hdr, len); + + /* Zero the radiotap static buffer ... We only need to zero the bytes + * NOT part of our real header, saves a little time. + * + * No longer necessary since we fill in all our data. Purge before + * merging patch officially. + * memset(rxb->skb->data + sizeof(struct ipw_rt_hdr), 0, + * IEEE80211_RADIOTAP_HDRLEN - sizeof(struct ipw_rt_hdr)); + */ + + ipw_rt->rt_hdr.it_version = PKTHDR_RADIOTAP_VERSION; + ipw_rt->rt_hdr.it_pad = 0; /* always good to zero */ + ipw_rt->rt_hdr.it_len = sizeof(*ipw_rt); /* total header+data */ + + /* Set the size of the skb to the size of the frame */ + skb_put(skb, ipw_rt->rt_hdr.it_len + len); + + /* Big bitfield of all the fields we provide in radiotap */ + ipw_rt->rt_hdr.it_present = + ((1 << IEEE80211_RADIOTAP_FLAGS) | + (1 << IEEE80211_RADIOTAP_TSFT) | + (1 << IEEE80211_RADIOTAP_RATE) | + (1 << IEEE80211_RADIOTAP_CHANNEL) | + (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | + (1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) | + (1 << IEEE80211_RADIOTAP_ANTENNA)); + + /* Zero the flags, we'll add to them as we go */ + ipw_rt->rt_flags = 0; + + ipw_rt->rt_tsf = tsf; + + /* Convert to DBM */ + ipw_rt->rt_dbmsignal = signal; + ipw_rt->rt_dbmnoise = noise; + + /* Convert the channel data and set the flags */ + ipw_rt->rt_channel = cpu_to_le16(ieee80211chan2mhz(channel)); + if (channel > 14) { /* 802.11a */ + ipw_rt->rt_chbitmask = + cpu_to_le16((IEEE80211_CHAN_OFDM | IEEE80211_CHAN_5GHZ)); + } else if (phy_flags & (1 << 5)) { /* 802.11b */ + ipw_rt->rt_chbitmask = + cpu_to_le16((IEEE80211_CHAN_CCK | IEEE80211_CHAN_2GHZ)); + } else { /* 802.11g */ + ipw_rt->rt_chbitmask = + (IEEE80211_CHAN_OFDM | IEEE80211_CHAN_2GHZ); + } + + /* set the rate in multiples of 500k/s */ + switch (rate) { + case IPW_TX_RATE_1MB: + ipw_rt->rt_rate = 2; + break; + case IPW_TX_RATE_2MB: + ipw_rt->rt_rate = 4; + break; + case IPW_TX_RATE_5MB: + ipw_rt->rt_rate = 10; + break; + case IPW_TX_RATE_6MB: + ipw_rt->rt_rate = 12; + break; + case IPW_TX_RATE_9MB: + ipw_rt->rt_rate = 18; + break; + case IPW_TX_RATE_11MB: + ipw_rt->rt_rate = 22; + break; + case IPW_TX_RATE_12MB: + ipw_rt->rt_rate = 24; + break; + case IPW_TX_RATE_18MB: + ipw_rt->rt_rate = 36; + break; + case IPW_TX_RATE_24MB: + ipw_rt->rt_rate = 48; + break; + case IPW_TX_RATE_36MB: + ipw_rt->rt_rate = 72; + break; + case IPW_TX_RATE_48MB: + ipw_rt->rt_rate = 96; + break; + case IPW_TX_RATE_54MB: + ipw_rt->rt_rate = 108; + break; + default: + ipw_rt->rt_rate = 0; + break; + } + + /* antenna number */ + ipw_rt->rt_antenna = (phy_flags & 3); + + /* set the preamble flag if we have it */ + if (phy_flags & (1 << 6)) + ipw_rt->rt_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; + + IPW_DEBUG_RX("Rx packet of %d bytes.\n", skb->len); + + if (!ieee80211_rx(priv->prom_priv->ieee, skb, stats)) { + priv->prom_priv->ieee->stats.rx_errors++; + dev_kfree_skb_any(skb); + } +} +#endif + static int is_network_packet(struct ipw_priv *priv, struct ieee80211_hdr_4addr *header) { @@ -7808,15 +8180,21 @@ static void ipw_rx(struct ipw_priv *priv) priv->rx_packets++; +#ifdef CONFIG_IPW2200_PROMISCUOUS + if (priv->prom_net_dev && netif_running(priv->prom_net_dev)) + ipw_handle_promiscuous_rx(priv, rxb, &stats); +#endif + #ifdef CONFIG_IPW2200_MONITOR if (priv->ieee->iw_mode == IW_MODE_MONITOR) { -#ifdef CONFIG_IEEE80211_RADIOTAP - ipw_handle_data_packet_monitor(priv, - rxb, - &stats); +#ifdef CONFIG_IPW2200_RADIOTAP + + ipw_handle_data_packet_monitor(priv, + rxb, + &stats); #else - ipw_handle_data_packet(priv, rxb, - &stats); + ipw_handle_data_packet(priv, rxb, + &stats); #endif break; } @@ -7837,9 +8215,9 @@ static void ipw_rx(struct ipw_priv *priv) if (network_packet && priv->assoc_network) { priv->assoc_network->stats.rssi = stats.rssi; - average_add(&priv->average_rssi, - stats.rssi); - priv->last_rx_rssi = stats.rssi; + priv->exp_avg_rssi = + exponential_average(priv->exp_avg_rssi, + stats.rssi, DEPTH_RSSI); } IPW_DEBUG_RX("Frame: len=%u\n", @@ -7982,10 +8360,10 @@ static int ipw_sw_reset(struct ipw_priv *priv, int option) IPW_DEBUG_INFO("Bind to static channel %d\n", channel); /* TODO: Validate that provided channel is in range */ } -#ifdef CONFIG_IPW_QOS +#ifdef CONFIG_IPW2200_QOS ipw_qos_init(priv, qos_enable, qos_burst_enable, burst_duration_CCK, burst_duration_OFDM); -#endif /* CONFIG_IPW_QOS */ +#endif /* CONFIG_IPW2200_QOS */ switch (mode) { case 1: @@ -7996,7 +8374,7 @@ static int ipw_sw_reset(struct ipw_priv *priv, int option) #ifdef CONFIG_IPW2200_MONITOR case 2: priv->ieee->iw_mode = IW_MODE_MONITOR; -#ifdef CONFIG_IEEE80211_RADIOTAP +#ifdef CONFIG_IPW2200_RADIOTAP priv->net_dev->type = ARPHRD_IEEE80211_RADIOTAP; #else priv->net_dev->type = ARPHRD_IEEE80211; @@ -8251,7 +8629,7 @@ static int ipw_wx_set_mode(struct net_device *dev, priv->net_dev->type = ARPHRD_ETHER; if (wrqu->mode == IW_MODE_MONITOR) -#ifdef CONFIG_IEEE80211_RADIOTAP +#ifdef CONFIG_IPW2200_RADIOTAP priv->net_dev->type = ARPHRD_IEEE80211_RADIOTAP; #else priv->net_dev->type = ARPHRD_IEEE80211; @@ -8379,7 +8757,8 @@ static int ipw_wx_get_range(struct net_device *dev, /* Event capability (kernel + driver) */ range->event_capa[0] = (IW_EVENT_CAPA_K_0 | IW_EVENT_CAPA_MASK(SIOCGIWTHRSPY) | - IW_EVENT_CAPA_MASK(SIOCGIWAP)); + IW_EVENT_CAPA_MASK(SIOCGIWAP) | + IW_EVENT_CAPA_MASK(SIOCGIWSCAN)); range->event_capa[1] = IW_EVENT_CAPA_K_1; range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | @@ -8734,6 +9113,7 @@ static int ipw_wx_get_rate(struct net_device *dev, struct ipw_priv *priv = ieee80211_priv(dev); mutex_lock(&priv->mutex); wrqu->bitrate.value = priv->last_rate; + wrqu->bitrate.fixed = (priv->config & CFG_FIXED_RATE) ? 1 : 0; mutex_unlock(&priv->mutex); IPW_DEBUG_WX("GET Rate -> %d \n", wrqu->bitrate.value); return 0; @@ -9351,7 +9731,7 @@ static int ipw_wx_set_monitor(struct net_device *dev, IPW_DEBUG_WX("SET MONITOR: %d %d\n", enable, parms[1]); if (enable) { if (priv->ieee->iw_mode != IW_MODE_MONITOR) { -#ifdef CONFIG_IEEE80211_RADIOTAP +#ifdef CONFIG_IPW2200_RADIOTAP priv->net_dev->type = ARPHRD_IEEE80211_RADIOTAP; #else priv->net_dev->type = ARPHRD_IEEE80211; @@ -9579,8 +9959,8 @@ static struct iw_statistics *ipw_get_wireless_stats(struct net_device *dev) } wstats->qual.qual = priv->quality; - wstats->qual.level = average_value(&priv->average_rssi); - wstats->qual.noise = average_value(&priv->average_noise); + wstats->qual.level = priv->exp_avg_rssi; + wstats->qual.noise = priv->exp_avg_noise; wstats->qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | IW_QUAL_NOISE_UPDATED | IW_QUAL_DBM; @@ -9608,7 +9988,9 @@ static void init_sys_config(struct ipw_sys_config *sys_config) sys_config->disable_unicast_decryption = 1; sys_config->exclude_multicast_unencrypted = 0; sys_config->disable_multicast_decryption = 1; - sys_config->antenna_diversity = CFG_SYS_ANTENNA_SLOW_DIV; + if (antenna < CFG_SYS_ANTENNA_BOTH || antenna > CFG_SYS_ANTENNA_B) + antenna = CFG_SYS_ANTENNA_BOTH; + sys_config->antenna_diversity = antenna; sys_config->pass_crc_to_host = 0; /* TODO: See if 1 gives us FCS */ sys_config->dot11g_auto_detection = 0; sys_config->enable_cts_to_self = 0; @@ -9647,11 +10029,11 @@ we need to heavily modify the ieee80211_skb_to_txb. static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb, int pri) { - struct ieee80211_hdr_3addr *hdr = (struct ieee80211_hdr_3addr *) + struct ieee80211_hdr_3addrqos *hdr = (struct ieee80211_hdr_3addrqos *) txb->fragments[0]->data; int i = 0; struct tfd_frame *tfd; -#ifdef CONFIG_IPW_QOS +#ifdef CONFIG_IPW2200_QOS int tx_id = ipw_get_tx_queue_number(priv, pri); struct clx2_tx_queue *txq = &priv->txq[tx_id]; #else @@ -9662,9 +10044,9 @@ static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb, u16 remaining_bytes; int fc; + hdr_len = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl)); switch (priv->ieee->iw_mode) { case IW_MODE_ADHOC: - hdr_len = IEEE80211_3ADDR_LEN; unicast = !is_multicast_ether_addr(hdr->addr1); id = ipw_find_station(priv, hdr->addr1); if (id == IPW_INVALID_STATION) { @@ -9681,7 +10063,6 @@ static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb, case IW_MODE_INFRA: default: unicast = !is_multicast_ether_addr(hdr->addr3); - hdr_len = IEEE80211_3ADDR_LEN; id = 0; break; } @@ -9759,9 +10140,10 @@ static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb, /* No hardware encryption */ tfd->u.data.tx_flags |= DCT_FLAG_NO_WEP; -#ifdef CONFIG_IPW_QOS - ipw_qos_set_tx_queue_command(priv, pri, &(tfd->u.data), unicast); -#endif /* CONFIG_IPW_QOS */ +#ifdef CONFIG_IPW2200_QOS + if (fc & IEEE80211_STYPE_QOS_DATA) + ipw_qos_set_tx_queue_command(priv, pri, &(tfd->u.data)); +#endif /* CONFIG_IPW2200_QOS */ /* payload */ tfd->u.data.num_chunks = cpu_to_le32(min((u8) (NUM_TFD_CHUNKS - 2), @@ -9841,12 +10223,12 @@ static int ipw_tx_skb(struct ipw_priv *priv, struct ieee80211_txb *txb, static int ipw_net_is_queue_full(struct net_device *dev, int pri) { struct ipw_priv *priv = ieee80211_priv(dev); -#ifdef CONFIG_IPW_QOS +#ifdef CONFIG_IPW2200_QOS int tx_id = ipw_get_tx_queue_number(priv, pri); struct clx2_tx_queue *txq = &priv->txq[tx_id]; #else struct clx2_tx_queue *txq = &priv->txq[0]; -#endif /* CONFIG_IPW_QOS */ +#endif /* CONFIG_IPW2200_QOS */ if (ipw_queue_space(&txq->q) < txq->q.high_mark) return 1; @@ -9854,6 +10236,88 @@ static int ipw_net_is_queue_full(struct net_device *dev, int pri) return 0; } +#ifdef CONFIG_IPW2200_PROMISCUOUS +static void ipw_handle_promiscuous_tx(struct ipw_priv *priv, + struct ieee80211_txb *txb) +{ + struct ieee80211_rx_stats dummystats; + struct ieee80211_hdr *hdr; + u8 n; + u16 filter = priv->prom_priv->filter; + int hdr_only = 0; + + if (filter & IPW_PROM_NO_TX) + return; + + memset(&dummystats, 0, sizeof(dummystats)); + + /* Filtering of fragment chains is done agains the first fragment */ + hdr = (void *)txb->fragments[0]->data; + if (ieee80211_is_management(hdr->frame_ctl)) { + if (filter & IPW_PROM_NO_MGMT) + return; + if (filter & IPW_PROM_MGMT_HEADER_ONLY) + hdr_only = 1; + } else if (ieee80211_is_control(hdr->frame_ctl)) { + if (filter & IPW_PROM_NO_CTL) + return; + if (filter & IPW_PROM_CTL_HEADER_ONLY) + hdr_only = 1; + } else if (ieee80211_is_data(hdr->frame_ctl)) { + if (filter & IPW_PROM_NO_DATA) + return; + if (filter & IPW_PROM_DATA_HEADER_ONLY) + hdr_only = 1; + } + + for(n=0; n<txb->nr_frags; ++n) { + struct sk_buff *src = txb->fragments[n]; + struct sk_buff *dst; + struct ieee80211_radiotap_header *rt_hdr; + int len; + + if (hdr_only) { + hdr = (void *)src->data; + len = ieee80211_get_hdrlen(hdr->frame_ctl); + } else + len = src->len; + + dst = alloc_skb( + len + IEEE80211_RADIOTAP_HDRLEN, GFP_ATOMIC); + if (!dst) continue; + + rt_hdr = (void *)skb_put(dst, sizeof(*rt_hdr)); + + rt_hdr->it_version = PKTHDR_RADIOTAP_VERSION; + rt_hdr->it_pad = 0; + rt_hdr->it_present = 0; /* after all, it's just an idea */ + rt_hdr->it_present |= (1 << IEEE80211_RADIOTAP_CHANNEL); + + *(u16*)skb_put(dst, sizeof(u16)) = cpu_to_le16( + ieee80211chan2mhz(priv->channel)); + if (priv->channel > 14) /* 802.11a */ + *(u16*)skb_put(dst, sizeof(u16)) = + cpu_to_le16(IEEE80211_CHAN_OFDM | + IEEE80211_CHAN_5GHZ); + else if (priv->ieee->mode == IEEE_B) /* 802.11b */ + *(u16*)skb_put(dst, sizeof(u16)) = + cpu_to_le16(IEEE80211_CHAN_CCK | + IEEE80211_CHAN_2GHZ); + else /* 802.11g */ + *(u16*)skb_put(dst, sizeof(u16)) = + cpu_to_le16(IEEE80211_CHAN_OFDM | + IEEE80211_CHAN_2GHZ); + + rt_hdr->it_len = dst->len; + + memcpy(skb_put(dst, len), src->data, len); + + if (!ieee80211_rx(priv->prom_priv->ieee, dst, &dummystats)) + dev_kfree_skb_any(dst); + } +} +#endif + static int ipw_net_hard_start_xmit(struct ieee80211_txb *txb, struct net_device *dev, int pri) { @@ -9871,6 +10335,11 @@ static int ipw_net_hard_start_xmit(struct ieee80211_txb *txb, goto fail_unlock; } +#ifdef CONFIG_IPW2200_PROMISCUOUS + if (rtap_iface && netif_running(priv->prom_net_dev)) + ipw_handle_promiscuous_tx(priv, txb); +#endif + ret = ipw_tx_skb(priv, txb, pri); if (ret == NETDEV_TX_OK) __ipw_led_activity_on(priv); @@ -10169,10 +10638,10 @@ static int ipw_setup_deferred_work(struct ipw_priv *priv) INIT_WORK(&priv->merge_networks, (void (*)(void *))ipw_merge_adhoc_network, priv); -#ifdef CONFIG_IPW_QOS +#ifdef CONFIG_IPW2200_QOS INIT_WORK(&priv->qos_activate, (void (*)(void *))ipw_bg_qos_activate, priv); -#endif /* CONFIG_IPW_QOS */ +#endif /* CONFIG_IPW2200_QOS */ tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) ipw_irq_tasklet, (unsigned long)priv); @@ -10318,12 +10787,21 @@ static int ipw_config(struct ipw_priv *priv) |= CFG_BT_COEXISTENCE_OOB; } +#ifdef CONFIG_IPW2200_PROMISCUOUS + if (priv->prom_net_dev && netif_running(priv->prom_net_dev)) { + priv->sys_config.accept_all_data_frames = 1; + priv->sys_config.accept_non_directed_frames = 1; + priv->sys_config.accept_all_mgmt_bcpr = 1; + priv->sys_config.accept_all_mgmt_frames = 1; + } +#endif + if (priv->ieee->iw_mode == IW_MODE_ADHOC) priv->sys_config.answer_broadcast_ssid_probe = 1; else priv->sys_config.answer_broadcast_ssid_probe = 0; - if (ipw_send_system_config(priv, &priv->sys_config)) + if (ipw_send_system_config(priv)) goto error; init_supported_rates(priv, &priv->rates); @@ -10335,10 +10813,10 @@ static int ipw_config(struct ipw_priv *priv) if (ipw_send_rts_threshold(priv, priv->rts_threshold)) goto error; } -#ifdef CONFIG_IPW_QOS +#ifdef CONFIG_IPW2200_QOS IPW_DEBUG_QOS("QoS: call ipw_qos_activate\n"); ipw_qos_activate(priv, NULL); -#endif /* CONFIG_IPW_QOS */ +#endif /* CONFIG_IPW2200_QOS */ if (ipw_set_random_seed(priv)) goto error; @@ -10639,6 +11117,7 @@ static int ipw_up(struct ipw_priv *priv) if (priv->cmdlog == NULL) { IPW_ERROR("Error allocating %d command log entries.\n", cmdlog); + return -ENOMEM; } else { memset(priv->cmdlog, 0, sizeof(*priv->cmdlog) * cmdlog); priv->cmdlog_len = cmdlog; @@ -10860,6 +11339,10 @@ static struct attribute *ipw_sysfs_entries[] = { &dev_attr_led.attr, &dev_attr_speed_scan.attr, &dev_attr_net_stats.attr, +#ifdef CONFIG_IPW2200_PROMISCUOUS + &dev_attr_rtap_iface.attr, + &dev_attr_rtap_filter.attr, +#endif NULL }; @@ -10868,6 +11351,109 @@ static struct attribute_group ipw_attribute_group = { .attrs = ipw_sysfs_entries, }; +#ifdef CONFIG_IPW2200_PROMISCUOUS +static int ipw_prom_open(struct net_device *dev) +{ + struct ipw_prom_priv *prom_priv = ieee80211_priv(dev); + struct ipw_priv *priv = prom_priv->priv; + + IPW_DEBUG_INFO("prom dev->open\n"); + netif_carrier_off(dev); + netif_stop_queue(dev); + + if (priv->ieee->iw_mode != IW_MODE_MONITOR) { + priv->sys_config.accept_all_data_frames = 1; + priv->sys_config.accept_non_directed_frames = 1; + priv->sys_config.accept_all_mgmt_bcpr = 1; + priv->sys_config.accept_all_mgmt_frames = 1; + + ipw_send_system_config(priv); + } + + return 0; +} + +static int ipw_prom_stop(struct net_device *dev) +{ + struct ipw_prom_priv *prom_priv = ieee80211_priv(dev); + struct ipw_priv *priv = prom_priv->priv; + + IPW_DEBUG_INFO("prom dev->stop\n"); + + if (priv->ieee->iw_mode != IW_MODE_MONITOR) { + priv->sys_config.accept_all_data_frames = 0; + priv->sys_config.accept_non_directed_frames = 0; + priv->sys_config.accept_all_mgmt_bcpr = 0; + priv->sys_config.accept_all_mgmt_frames = 0; + + ipw_send_system_config(priv); + } + + return 0; +} + +static int ipw_prom_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) +{ + IPW_DEBUG_INFO("prom dev->xmit\n"); + netif_stop_queue(dev); + return -EOPNOTSUPP; +} + +static struct net_device_stats *ipw_prom_get_stats(struct net_device *dev) +{ + struct ipw_prom_priv *prom_priv = ieee80211_priv(dev); + return &prom_priv->ieee->stats; +} + +static int ipw_prom_alloc(struct ipw_priv *priv) +{ + int rc = 0; + + if (priv->prom_net_dev) + return -EPERM; + + priv->prom_net_dev = alloc_ieee80211(sizeof(struct ipw_prom_priv)); + if (priv->prom_net_dev == NULL) + return -ENOMEM; + + priv->prom_priv = ieee80211_priv(priv->prom_net_dev); + priv->prom_priv->ieee = netdev_priv(priv->prom_net_dev); + priv->prom_priv->priv = priv; + + strcpy(priv->prom_net_dev->name, "rtap%d"); + + priv->prom_net_dev->type = ARPHRD_IEEE80211_RADIOTAP; + priv->prom_net_dev->open = ipw_prom_open; + priv->prom_net_dev->stop = ipw_prom_stop; + priv->prom_net_dev->get_stats = ipw_prom_get_stats; + priv->prom_net_dev->hard_start_xmit = ipw_prom_hard_start_xmit; + + priv->prom_priv->ieee->iw_mode = IW_MODE_MONITOR; + + rc = register_netdev(priv->prom_net_dev); + if (rc) { + free_ieee80211(priv->prom_net_dev); + priv->prom_net_dev = NULL; + return rc; + } + + return 0; +} + +static void ipw_prom_free(struct ipw_priv *priv) +{ + if (!priv->prom_net_dev) + return; + + unregister_netdev(priv->prom_net_dev); + free_ieee80211(priv->prom_net_dev); + + priv->prom_net_dev = NULL; +} + +#endif + + static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { int err = 0; @@ -10959,11 +11545,12 @@ static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) priv->ieee->set_security = shim__set_security; priv->ieee->is_queue_full = ipw_net_is_queue_full; -#ifdef CONFIG_IPW_QOS +#ifdef CONFIG_IPW2200_QOS + priv->ieee->is_qos_active = ipw_is_qos_active; priv->ieee->handle_probe_response = ipw_handle_beacon; priv->ieee->handle_beacon = ipw_handle_probe_response; priv->ieee->handle_assoc_response = ipw_handle_assoc_response; -#endif /* CONFIG_IPW_QOS */ +#endif /* CONFIG_IPW2200_QOS */ priv->ieee->perfect_rssi = -20; priv->ieee->worst_rssi = -85; @@ -10997,6 +11584,18 @@ static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_remove_sysfs; } +#ifdef CONFIG_IPW2200_PROMISCUOUS + if (rtap_iface) { + err = ipw_prom_alloc(priv); + if (err) { + IPW_ERROR("Failed to register promiscuous network " + "device (error %d).\n", err); + unregister_netdev(priv->net_dev); + goto out_remove_sysfs; + } + } +#endif + printk(KERN_INFO DRV_NAME ": Detected geography %s (%d 802.11bg " "channels, %d 802.11a channels)\n", priv->ieee->geo.name, priv->ieee->geo.bg_channels, @@ -11076,6 +11675,10 @@ static void ipw_pci_remove(struct pci_dev *pdev) priv->error = NULL; } +#ifdef CONFIG_IPW2200_PROMISCUOUS + ipw_prom_free(priv); +#endif + free_irq(pdev->irq, priv); iounmap(priv->hw_base); pci_release_regions(pdev); @@ -11200,7 +11803,12 @@ MODULE_PARM_DESC(debug, "debug output mask"); module_param(channel, int, 0444); MODULE_PARM_DESC(channel, "channel to limit associate to (default 0 [ANY])"); -#ifdef CONFIG_IPW_QOS +#ifdef CONFIG_IPW2200_PROMISCUOUS +module_param(rtap_iface, int, 0444); +MODULE_PARM_DESC(rtap_iface, "create the rtap interface (1 - create, default 0)"); +#endif + +#ifdef CONFIG_IPW2200_QOS module_param(qos_enable, int, 0444); MODULE_PARM_DESC(qos_enable, "enable all QoS functionalitis"); @@ -11215,7 +11823,7 @@ MODULE_PARM_DESC(burst_duration_CCK, "set CCK burst value"); module_param(burst_duration_OFDM, int, 0444); MODULE_PARM_DESC(burst_duration_OFDM, "set OFDM burst value"); -#endif /* CONFIG_IPW_QOS */ +#endif /* CONFIG_IPW2200_QOS */ #ifdef CONFIG_IPW2200_MONITOR module_param(mode, int, 0444); @@ -11238,5 +11846,8 @@ MODULE_PARM_DESC(cmdlog, module_param(roaming, int, 0444); MODULE_PARM_DESC(roaming, "enable roaming support (default on)"); +module_param(antenna, int, 0444); +MODULE_PARM_DESC(antenna, "select antenna 1=Main, 3=Aux, default 0 [both], 2=slow_diversity (choose the one with lower background noise)"); + module_exit(ipw_exit); module_init(ipw_init); diff --git a/drivers/net/wireless/ipw2200.h b/drivers/net/wireless/ipw2200.h index 4b9804900702..6044c0be2c80 100644 --- a/drivers/net/wireless/ipw2200.h +++ b/drivers/net/wireless/ipw2200.h @@ -789,7 +789,7 @@ struct ipw_sys_config { u8 bt_coexist_collision_thr; u8 silence_threshold; u8 accept_all_mgmt_bcpr; - u8 accept_all_mgtm_frames; + u8 accept_all_mgmt_frames; u8 pass_noise_stats_to_host; u8 reserved3; } __attribute__ ((packed)); @@ -1122,6 +1122,52 @@ struct ipw_fw_error { u8 payload[0]; } __attribute__ ((packed)); +#ifdef CONFIG_IPW2200_PROMISCUOUS + +enum ipw_prom_filter { + IPW_PROM_CTL_HEADER_ONLY = (1 << 0), + IPW_PROM_MGMT_HEADER_ONLY = (1 << 1), + IPW_PROM_DATA_HEADER_ONLY = (1 << 2), + IPW_PROM_ALL_HEADER_ONLY = 0xf, /* bits 0..3 */ + IPW_PROM_NO_TX = (1 << 4), + IPW_PROM_NO_RX = (1 << 5), + IPW_PROM_NO_CTL = (1 << 6), + IPW_PROM_NO_MGMT = (1 << 7), + IPW_PROM_NO_DATA = (1 << 8), +}; + +struct ipw_priv; +struct ipw_prom_priv { + struct ipw_priv *priv; + struct ieee80211_device *ieee; + enum ipw_prom_filter filter; + int tx_packets; + int rx_packets; +}; +#endif + +#if defined(CONFIG_IPW2200_RADIOTAP) || defined(CONFIG_IPW2200_PROMISCUOUS) +/* Magic struct that slots into the radiotap header -- no reason + * to build this manually element by element, we can write it much + * more efficiently than we can parse it. ORDER MATTERS HERE + * + * When sent to us via the simulated Rx interface in sysfs, the entire + * structure is provided regardless of any bits unset. + */ +struct ipw_rt_hdr { + struct ieee80211_radiotap_header rt_hdr; + u64 rt_tsf; /* TSF */ + u8 rt_flags; /* radiotap packet flags */ + u8 rt_rate; /* rate in 500kb/s */ + u16 rt_channel; /* channel in mhz */ + u16 rt_chbitmask; /* channel bitfield */ + s8 rt_dbmsignal; /* signal in dbM, kluged to signed */ + s8 rt_dbmnoise; + u8 rt_antenna; /* antenna number */ + u8 payload[0]; /* payload... */ +} __attribute__ ((packed)); +#endif + struct ipw_priv { /* ieee device used by generic ieee processing code */ struct ieee80211_device *ieee; @@ -1133,6 +1179,12 @@ struct ipw_priv { struct pci_dev *pci_dev; struct net_device *net_dev; +#ifdef CONFIG_IPW2200_PROMISCUOUS + /* Promiscuous mode */ + struct ipw_prom_priv *prom_priv; + struct net_device *prom_net_dev; +#endif + /* pci hardware address support */ void __iomem *hw_base; unsigned long hw_len; @@ -1153,11 +1205,9 @@ struct ipw_priv { u32 config; u32 capability; - u8 last_rx_rssi; - u8 last_noise; struct average average_missed_beacons; - struct average average_rssi; - struct average average_noise; + s16 exp_avg_rssi; + s16 exp_avg_noise; u32 port_type; int rx_bufs_min; /**< minimum number of bufs in Rx queue */ int rx_pend_max; /**< maximum pending buffers for one IRQ */ @@ -1308,6 +1358,29 @@ struct ipw_priv { /* debug macros */ +/* Debug and printf string expansion helpers for printing bitfields */ +#define BIT_FMT8 "%c%c%c%c-%c%c%c%c" +#define BIT_FMT16 BIT_FMT8 ":" BIT_FMT8 +#define BIT_FMT32 BIT_FMT16 " " BIT_FMT16 + +#define BITC(x,y) (((x>>y)&1)?'1':'0') +#define BIT_ARG8(x) \ +BITC(x,7),BITC(x,6),BITC(x,5),BITC(x,4),\ +BITC(x,3),BITC(x,2),BITC(x,1),BITC(x,0) + +#define BIT_ARG16(x) \ +BITC(x,15),BITC(x,14),BITC(x,13),BITC(x,12),\ +BITC(x,11),BITC(x,10),BITC(x,9),BITC(x,8),\ +BIT_ARG8(x) + +#define BIT_ARG32(x) \ +BITC(x,31),BITC(x,30),BITC(x,29),BITC(x,28),\ +BITC(x,27),BITC(x,26),BITC(x,25),BITC(x,24),\ +BITC(x,23),BITC(x,22),BITC(x,21),BITC(x,20),\ +BITC(x,19),BITC(x,18),BITC(x,17),BITC(x,16),\ +BIT_ARG16(x) + + #ifdef CONFIG_IPW2200_DEBUG #define IPW_DEBUG(level, fmt, args...) \ do { if (ipw_debug_level & (level)) \ diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c index c2d0b09e0418..8a31b591a901 100644 --- a/drivers/net/wireless/orinoco.c +++ b/drivers/net/wireless/orinoco.c @@ -201,41 +201,12 @@ static struct { /* Data types */ /********************************************************************/ -/* Used in Event handling. - * We avoid nested structures as they break on ARM -- Moustafa */ -struct hermes_tx_descriptor_802_11 { - /* hermes_tx_descriptor */ - __le16 status; - __le16 reserved1; - __le16 reserved2; - __le32 sw_support; - u8 retry_count; - u8 tx_rate; - __le16 tx_control; - - /* ieee80211_hdr */ +/* Beginning of the Tx descriptor, used in TxExc handling */ +struct hermes_txexc_data { + struct hermes_tx_descriptor desc; __le16 frame_ctl; __le16 duration_id; u8 addr1[ETH_ALEN]; - u8 addr2[ETH_ALEN]; - u8 addr3[ETH_ALEN]; - __le16 seq_ctl; - u8 addr4[ETH_ALEN]; - - __le16 data_len; - - /* ethhdr */ - u8 h_dest[ETH_ALEN]; /* destination eth addr */ - u8 h_source[ETH_ALEN]; /* source ether addr */ - __be16 h_proto; /* packet type ID field */ - - /* p8022_hdr */ - u8 dsap; - u8 ssap; - u8 ctrl; - u8 oui[3]; - - __be16 ethertype; } __attribute__ ((packed)); /* Rx frame header except compatibility 802.3 header */ @@ -450,53 +421,39 @@ static int orinoco_xmit(struct sk_buff *skb, struct net_device *dev) hermes_t *hw = &priv->hw; int err = 0; u16 txfid = priv->txfid; - char *p; struct ethhdr *eh; - int len, data_len, data_off; + int data_off; struct hermes_tx_descriptor desc; unsigned long flags; - TRACE_ENTER(dev->name); - if (! netif_running(dev)) { printk(KERN_ERR "%s: Tx on stopped device!\n", dev->name); - TRACE_EXIT(dev->name); - return 1; + return NETDEV_TX_BUSY; } if (netif_queue_stopped(dev)) { printk(KERN_DEBUG "%s: Tx while transmitter busy!\n", dev->name); - TRACE_EXIT(dev->name); - return 1; + return NETDEV_TX_BUSY; } if (orinoco_lock(priv, &flags) != 0) { printk(KERN_ERR "%s: orinoco_xmit() called while hw_unavailable\n", dev->name); - TRACE_EXIT(dev->name); - return 1; + return NETDEV_TX_BUSY; } if (! netif_carrier_ok(dev) || (priv->iw_mode == IW_MODE_MONITOR)) { /* Oops, the firmware hasn't established a connection, silently drop the packet (this seems to be the safest approach). */ - stats->tx_errors++; - orinoco_unlock(priv, &flags); - dev_kfree_skb(skb); - TRACE_EXIT(dev->name); - return 0; + goto drop; } - /* Length of the packet body */ - /* FIXME: what if the skb is smaller than this? */ - len = max_t(int, ALIGN(skb->len, 2), ETH_ZLEN); - skb = skb_padto(skb, len); - if (skb == NULL) - goto fail; - len -= ETH_HLEN; + /* Check packet length */ + if (skb->len < ETH_HLEN) + goto drop; eh = (struct ethhdr *)skb->data; @@ -507,8 +464,7 @@ static int orinoco_xmit(struct sk_buff *skb, struct net_device *dev) if (net_ratelimit()) printk(KERN_ERR "%s: Error %d writing Tx descriptor " "to BAP\n", dev->name, err); - stats->tx_errors++; - goto fail; + goto busy; } /* Clear the 802.11 header and data length fields - some @@ -519,50 +475,38 @@ static int orinoco_xmit(struct sk_buff *skb, struct net_device *dev) /* Encapsulate Ethernet-II frames */ if (ntohs(eh->h_proto) > ETH_DATA_LEN) { /* Ethernet-II frame */ - struct header_struct hdr; - data_len = len; - data_off = HERMES_802_3_OFFSET + sizeof(hdr); - p = skb->data + ETH_HLEN; - - /* 802.3 header */ - memcpy(hdr.dest, eh->h_dest, ETH_ALEN); - memcpy(hdr.src, eh->h_source, ETH_ALEN); - hdr.len = htons(data_len + ENCAPS_OVERHEAD); - - /* 802.2 header */ - memcpy(&hdr.dsap, &encaps_hdr, sizeof(encaps_hdr)); - - hdr.ethertype = eh->h_proto; - err = hermes_bap_pwrite(hw, USER_BAP, &hdr, sizeof(hdr), - txfid, HERMES_802_3_OFFSET); + struct header_struct { + struct ethhdr eth; /* 802.3 header */ + u8 encap[6]; /* 802.2 header */ + } __attribute__ ((packed)) hdr; + + /* Strip destination and source from the data */ + skb_pull(skb, 2 * ETH_ALEN); + data_off = HERMES_802_2_OFFSET + sizeof(encaps_hdr); + + /* And move them to a separate header */ + memcpy(&hdr.eth, eh, 2 * ETH_ALEN); + hdr.eth.h_proto = htons(sizeof(encaps_hdr) + skb->len); + memcpy(hdr.encap, encaps_hdr, sizeof(encaps_hdr)); + + err = hermes_bap_pwrite(hw, USER_BAP, &hdr, sizeof(hdr), + txfid, HERMES_802_3_OFFSET); if (err) { if (net_ratelimit()) printk(KERN_ERR "%s: Error %d writing packet " "header to BAP\n", dev->name, err); - stats->tx_errors++; - goto fail; + goto busy; } - /* Actual xfer length - allow for padding */ - len = ALIGN(data_len, 2); - if (len < ETH_ZLEN - ETH_HLEN) - len = ETH_ZLEN - ETH_HLEN; } else { /* IEEE 802.3 frame */ - data_len = len + ETH_HLEN; data_off = HERMES_802_3_OFFSET; - p = skb->data; - /* Actual xfer length - round up for odd length packets */ - len = ALIGN(data_len, 2); - if (len < ETH_ZLEN) - len = ETH_ZLEN; } - err = hermes_bap_pwrite_pad(hw, USER_BAP, p, data_len, len, + err = hermes_bap_pwrite(hw, USER_BAP, skb->data, skb->len, txfid, data_off); if (err) { printk(KERN_ERR "%s: Error %d writing packet to BAP\n", dev->name, err); - stats->tx_errors++; - goto fail; + goto busy; } /* Finally, we actually initiate the send */ @@ -575,25 +519,27 @@ static int orinoco_xmit(struct sk_buff *skb, struct net_device *dev) if (net_ratelimit()) printk(KERN_ERR "%s: Error %d transmitting packet\n", dev->name, err); - stats->tx_errors++; - goto fail; + goto busy; } dev->trans_start = jiffies; - stats->tx_bytes += data_off + data_len; + stats->tx_bytes += data_off + skb->len; + goto ok; - orinoco_unlock(priv, &flags); + drop: + stats->tx_errors++; + stats->tx_dropped++; + ok: + orinoco_unlock(priv, &flags); dev_kfree_skb(skb); + return NETDEV_TX_OK; - TRACE_EXIT(dev->name); - - return 0; - fail: - TRACE_EXIT(dev->name); - + busy: + if (err == -EIO) + schedule_work(&priv->reset_work); orinoco_unlock(priv, &flags); - return err; + return NETDEV_TX_BUSY; } static void __orinoco_ev_alloc(struct net_device *dev, hermes_t *hw) @@ -629,7 +575,7 @@ static void __orinoco_ev_txexc(struct net_device *dev, hermes_t *hw) struct net_device_stats *stats = &priv->stats; u16 fid = hermes_read_regn(hw, TXCOMPLFID); u16 status; - struct hermes_tx_descriptor_802_11 hdr; + struct hermes_txexc_data hdr; int err = 0; if (fid == DUMMY_FID) @@ -637,8 +583,7 @@ static void __orinoco_ev_txexc(struct net_device *dev, hermes_t *hw) /* Read part of the frame header - we need status and addr1 */ err = hermes_bap_pread(hw, IRQ_BAP, &hdr, - offsetof(struct hermes_tx_descriptor_802_11, - addr2), + sizeof(struct hermes_txexc_data), fid, 0); hermes_write_regn(hw, TXCOMPLFID, DUMMY_FID); @@ -658,7 +603,7 @@ static void __orinoco_ev_txexc(struct net_device *dev, hermes_t *hw) * exceeded, because that's the only status that really mean * that this particular node went away. * Other errors means that *we* screwed up. - Jean II */ - status = le16_to_cpu(hdr.status); + status = le16_to_cpu(hdr.desc.status); if (status & (HERMES_TXSTAT_RETRYERR | HERMES_TXSTAT_AGEDERR)) { union iwreq_data wrqu; @@ -1398,16 +1343,12 @@ int __orinoco_down(struct net_device *dev) return 0; } -int orinoco_reinit_firmware(struct net_device *dev) +static int orinoco_allocate_fid(struct net_device *dev) { struct orinoco_private *priv = netdev_priv(dev); struct hermes *hw = &priv->hw; int err; - err = hermes_init(hw); - if (err) - return err; - err = hermes_allocate(hw, priv->nicbuf_size, &priv->txfid); if (err == -EIO && priv->nicbuf_size > TX_NICBUF_SIZE_BUG) { /* Try workaround for old Symbol firmware bug */ @@ -1426,6 +1367,19 @@ int orinoco_reinit_firmware(struct net_device *dev) return err; } +int orinoco_reinit_firmware(struct net_device *dev) +{ + struct orinoco_private *priv = netdev_priv(dev); + struct hermes *hw = &priv->hw; + int err; + + err = hermes_init(hw); + if (!err) + err = orinoco_allocate_fid(dev); + + return err; +} + static int __orinoco_hw_set_bitrate(struct orinoco_private *priv) { hermes_t *hw = &priv->hw; @@ -1833,7 +1787,9 @@ static int __orinoco_program_rids(struct net_device *dev) /* Set promiscuity / multicast*/ priv->promiscuous = 0; priv->mc_count = 0; - __orinoco_set_multicast_list(dev); /* FIXME: what about the xmit_lock */ + + /* FIXME: what about netif_tx_lock */ + __orinoco_set_multicast_list(dev); return 0; } @@ -2272,14 +2228,12 @@ static int orinoco_init(struct net_device *dev) u16 reclen; int len; - TRACE_ENTER(dev->name); - /* No need to lock, the hw_unavailable flag is already set in * alloc_orinocodev() */ priv->nicbuf_size = IEEE80211_FRAME_LEN + ETH_HLEN; /* Initialize the firmware */ - err = orinoco_reinit_firmware(dev); + err = hermes_init(hw); if (err != 0) { printk(KERN_ERR "%s: failed to initialize firmware (err = %d)\n", dev->name, err); @@ -2337,6 +2291,13 @@ static int orinoco_init(struct net_device *dev) printk(KERN_DEBUG "%s: Station name \"%s\"\n", dev->name, priv->nick); + err = orinoco_allocate_fid(dev); + if (err) { + printk(KERN_ERR "%s: failed to allocate NIC buffer!\n", + dev->name); + goto out; + } + /* Get allowed channels */ err = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_CHANNELLIST, &priv->channel_mask); @@ -2427,7 +2388,6 @@ static int orinoco_init(struct net_device *dev) printk(KERN_DEBUG "%s: ready\n", dev->name); out: - TRACE_EXIT(dev->name); return err; } @@ -2795,8 +2755,6 @@ static int orinoco_ioctl_getiwrange(struct net_device *dev, int numrates; int i, k; - TRACE_ENTER(dev->name); - rrq->length = sizeof(struct iw_range); memset(range, 0, sizeof(struct iw_range)); @@ -2886,8 +2844,6 @@ static int orinoco_ioctl_getiwrange(struct net_device *dev, IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); IW_EVENT_CAPA_SET(range->event_capa, IWEVTXDROP); - TRACE_EXIT(dev->name); - return 0; } @@ -3069,8 +3025,6 @@ static int orinoco_ioctl_getessid(struct net_device *dev, int err = 0; unsigned long flags; - TRACE_ENTER(dev->name); - if (netif_running(dev)) { err = orinoco_hw_get_essid(priv, &active, essidbuf); if (err) @@ -3085,8 +3039,6 @@ static int orinoco_ioctl_getessid(struct net_device *dev, erq->flags = 1; erq->length = strlen(essidbuf) + 1; - TRACE_EXIT(dev->name); - return 0; } @@ -4347,69 +4299,6 @@ static struct ethtool_ops orinoco_ethtool_ops = { }; /********************************************************************/ -/* Debugging */ -/********************************************************************/ - -#if 0 -static void show_rx_frame(struct orinoco_rxframe_hdr *frame) -{ - printk(KERN_DEBUG "RX descriptor:\n"); - printk(KERN_DEBUG " status = 0x%04x\n", frame->desc.status); - printk(KERN_DEBUG " time = 0x%08x\n", frame->desc.time); - printk(KERN_DEBUG " silence = 0x%02x\n", frame->desc.silence); - printk(KERN_DEBUG " signal = 0x%02x\n", frame->desc.signal); - printk(KERN_DEBUG " rate = 0x%02x\n", frame->desc.rate); - printk(KERN_DEBUG " rxflow = 0x%02x\n", frame->desc.rxflow); - printk(KERN_DEBUG " reserved = 0x%08x\n", frame->desc.reserved); - - printk(KERN_DEBUG "IEEE 802.11 header:\n"); - printk(KERN_DEBUG " frame_ctl = 0x%04x\n", - frame->p80211.frame_ctl); - printk(KERN_DEBUG " duration_id = 0x%04x\n", - frame->p80211.duration_id); - printk(KERN_DEBUG " addr1 = %02x:%02x:%02x:%02x:%02x:%02x\n", - frame->p80211.addr1[0], frame->p80211.addr1[1], - frame->p80211.addr1[2], frame->p80211.addr1[3], - frame->p80211.addr1[4], frame->p80211.addr1[5]); - printk(KERN_DEBUG " addr2 = %02x:%02x:%02x:%02x:%02x:%02x\n", - frame->p80211.addr2[0], frame->p80211.addr2[1], - frame->p80211.addr2[2], frame->p80211.addr2[3], - frame->p80211.addr2[4], frame->p80211.addr2[5]); - printk(KERN_DEBUG " addr3 = %02x:%02x:%02x:%02x:%02x:%02x\n", - frame->p80211.addr3[0], frame->p80211.addr3[1], - frame->p80211.addr3[2], frame->p80211.addr3[3], - frame->p80211.addr3[4], frame->p80211.addr3[5]); - printk(KERN_DEBUG " seq_ctl = 0x%04x\n", - frame->p80211.seq_ctl); - printk(KERN_DEBUG " addr4 = %02x:%02x:%02x:%02x:%02x:%02x\n", - frame->p80211.addr4[0], frame->p80211.addr4[1], - frame->p80211.addr4[2], frame->p80211.addr4[3], - frame->p80211.addr4[4], frame->p80211.addr4[5]); - printk(KERN_DEBUG " data_len = 0x%04x\n", - frame->p80211.data_len); - - printk(KERN_DEBUG "IEEE 802.3 header:\n"); - printk(KERN_DEBUG " dest = %02x:%02x:%02x:%02x:%02x:%02x\n", - frame->p8023.h_dest[0], frame->p8023.h_dest[1], - frame->p8023.h_dest[2], frame->p8023.h_dest[3], - frame->p8023.h_dest[4], frame->p8023.h_dest[5]); - printk(KERN_DEBUG " src = %02x:%02x:%02x:%02x:%02x:%02x\n", - frame->p8023.h_source[0], frame->p8023.h_source[1], - frame->p8023.h_source[2], frame->p8023.h_source[3], - frame->p8023.h_source[4], frame->p8023.h_source[5]); - printk(KERN_DEBUG " len = 0x%04x\n", frame->p8023.h_proto); - - printk(KERN_DEBUG "IEEE 802.2 LLC/SNAP header:\n"); - printk(KERN_DEBUG " DSAP = 0x%02x\n", frame->p8022.dsap); - printk(KERN_DEBUG " SSAP = 0x%02x\n", frame->p8022.ssap); - printk(KERN_DEBUG " ctrl = 0x%02x\n", frame->p8022.ctrl); - printk(KERN_DEBUG " OUI = %02x:%02x:%02x\n", - frame->p8022.oui[0], frame->p8022.oui[1], frame->p8022.oui[2]); - printk(KERN_DEBUG " ethertype = 0x%04x\n", frame->ethertype); -} -#endif /* 0 */ - -/********************************************************************/ /* Module initialization */ /********************************************************************/ diff --git a/drivers/net/wireless/orinoco.h b/drivers/net/wireless/orinoco.h index f5d856db92a1..16db3e14b7d2 100644 --- a/drivers/net/wireless/orinoco.h +++ b/drivers/net/wireless/orinoco.h @@ -7,7 +7,7 @@ #ifndef _ORINOCO_H #define _ORINOCO_H -#define DRIVER_VERSION "0.15rc3" +#define DRIVER_VERSION "0.15" #include <linux/netdevice.h> #include <linux/wireless.h> @@ -30,20 +30,6 @@ struct orinoco_key { char data[ORINOCO_MAX_KEY_SIZE]; } __attribute__ ((packed)); -struct header_struct { - /* 802.3 */ - u8 dest[ETH_ALEN]; - u8 src[ETH_ALEN]; - __be16 len; - /* 802.2 */ - u8 dsap; - u8 ssap; - u8 ctrl; - /* SNAP */ - u8 oui[3]; - unsigned short ethertype; -} __attribute__ ((packed)); - typedef enum { FIRMWARE_TYPE_AGERE, FIRMWARE_TYPE_INTERSIL, @@ -132,9 +118,6 @@ extern int orinoco_debug; #define DEBUG(n, args...) do { } while (0) #endif /* ORINOCO_DEBUG */ -#define TRACE_ENTER(devname) DEBUG(2, "%s: -> %s()\n", devname, __FUNCTION__); -#define TRACE_EXIT(devname) DEBUG(2, "%s: <- %s()\n", devname, __FUNCTION__); - /********************************************************************/ /* Exported prototypes */ /********************************************************************/ diff --git a/drivers/net/wireless/orinoco_cs.c b/drivers/net/wireless/orinoco_cs.c index 434f7d7ad841..b2aec4d9fbb1 100644 --- a/drivers/net/wireless/orinoco_cs.c +++ b/drivers/net/wireless/orinoco_cs.c @@ -147,14 +147,11 @@ static void orinoco_cs_detach(struct pcmcia_device *link) { struct net_device *dev = link->priv; + if (link->dev_node) + unregister_netdev(dev); + orinoco_cs_release(link); - DEBUG(0, PFX "detach: link=%p link->dev_node=%p\n", link, link->dev_node); - if (link->dev_node) { - DEBUG(0, PFX "About to unregister net device %p\n", - dev); - unregister_netdev(dev); - } free_orinocodev(dev); } /* orinoco_cs_detach */ @@ -178,13 +175,10 @@ orinoco_cs_config(struct pcmcia_device *link) int last_fn, last_ret; u_char buf[64]; config_info_t conf; - cisinfo_t info; tuple_t tuple; cisparse_t parse; void __iomem *mem; - CS_CHECK(ValidateCIS, pcmcia_validate_cis(link, &info)); - /* * This reads the card's CONFIG tuple to find its * configuration registers. @@ -234,12 +228,6 @@ orinoco_cs_config(struct pcmcia_device *link) goto next_entry; link->conf.ConfigIndex = cfg->index; - /* Does this card need audio output? */ - if (cfg->flags & CISTPL_CFTABLE_AUDIO) { - link->conf.Attributes |= CONF_ENABLE_SPKR; - link->conf.Status = CCSR_AUDIO_ENA; - } - /* Use power settings for Vcc and Vpp if present */ /* Note that the CIS values need to be rescaled */ if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) { @@ -355,19 +343,10 @@ orinoco_cs_config(struct pcmcia_device *link) net_device has been registered */ /* Finally, report what we've done */ - printk(KERN_DEBUG "%s: index 0x%02x: ", - dev->name, link->conf.ConfigIndex); - if (link->conf.Vpp) - printk(", Vpp %d.%d", link->conf.Vpp / 10, - link->conf.Vpp % 10); - printk(", irq %d", link->irq.AssignedIRQ); - if (link->io.NumPorts1) - printk(", io 0x%04x-0x%04x", link->io.BasePort1, - link->io.BasePort1 + link->io.NumPorts1 - 1); - if (link->io.NumPorts2) - printk(" & 0x%04x-0x%04x", link->io.BasePort2, - link->io.BasePort2 + link->io.NumPorts2 - 1); - printk("\n"); + printk(KERN_DEBUG "%s: " DRIVER_NAME " at %s, irq %d, io " + "0x%04x-0x%04x\n", dev->name, dev->class_dev.dev->bus_id, + link->irq.AssignedIRQ, link->io.BasePort1, + link->io.BasePort1 + link->io.NumPorts1 - 1); return 0; @@ -436,7 +415,6 @@ static int orinoco_cs_resume(struct pcmcia_device *link) struct orinoco_private *priv = netdev_priv(dev); struct orinoco_pccard *card = priv->card; int err = 0; - unsigned long flags; if (! test_bit(0, &card->hard_reset_in_progress)) { err = orinoco_reinit_firmware(dev); @@ -446,7 +424,7 @@ static int orinoco_cs_resume(struct pcmcia_device *link) return -EIO; } - spin_lock_irqsave(&priv->lock, flags); + spin_lock(&priv->lock); netif_device_attach(dev); priv->hw_unavailable--; @@ -458,10 +436,10 @@ static int orinoco_cs_resume(struct pcmcia_device *link) dev->name, err); } - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock(&priv->lock); } - return 0; + return err; } diff --git a/drivers/net/wireless/orinoco_nortel.c b/drivers/net/wireless/orinoco_nortel.c index d1a670b35338..74b9d5b2ba9e 100644 --- a/drivers/net/wireless/orinoco_nortel.c +++ b/drivers/net/wireless/orinoco_nortel.c @@ -1,9 +1,8 @@ /* orinoco_nortel.c - * + * * Driver for Prism II devices which would usually be driven by orinoco_cs, * but are connected to the PCI bus by a PCI-to-PCMCIA adapter used in * Nortel emobility, Symbol LA-4113 and Symbol LA-4123. - * but are connected to the PCI bus by a Nortel PCI-PCMCIA-Adapter. * * Copyright (C) 2002 Tobias Hoffmann * (C) 2003 Christoph Jungegger <disdos@traum404.de> @@ -50,67 +49,62 @@ #include <pcmcia/cisreg.h> #include "orinoco.h" +#include "orinoco_pci.h" #define COR_OFFSET (0xe0) /* COR attribute offset of Prism2 PC card */ #define COR_VALUE (COR_LEVEL_REQ | COR_FUNC_ENA) /* Enable PC card with interrupt in level trigger */ -/* Nortel specific data */ -struct nortel_pci_card { - unsigned long iobase1; - unsigned long iobase2; -}; - /* - * Do a soft reset of the PCI card using the Configuration Option Register + * Do a soft reset of the card using the Configuration Option Register * We need this to get going... * This is the part of the code that is strongly inspired from wlan-ng * * Note bis : Don't try to access HERMES_CMD during the reset phase. * It just won't work ! */ -static int nortel_pci_cor_reset(struct orinoco_private *priv) +static int orinoco_nortel_cor_reset(struct orinoco_private *priv) { - struct nortel_pci_card *card = priv->card; + struct orinoco_pci_card *card = priv->card; - /* Assert the reset until the card notice */ - outw_p(8, card->iobase1 + 2); - inw(card->iobase2 + COR_OFFSET); - outw_p(0x80, card->iobase2 + COR_OFFSET); + /* Assert the reset until the card notices */ + iowrite16(8, card->bridge_io + 2); + ioread16(card->attr_io + COR_OFFSET); + iowrite16(0x80, card->attr_io + COR_OFFSET); mdelay(1); /* Give time for the card to recover from this hard effort */ - outw_p(0, card->iobase2 + COR_OFFSET); - outw_p(0, card->iobase2 + COR_OFFSET); + iowrite16(0, card->attr_io + COR_OFFSET); + iowrite16(0, card->attr_io + COR_OFFSET); mdelay(1); - /* set COR as usual */ - outw_p(COR_VALUE, card->iobase2 + COR_OFFSET); - outw_p(COR_VALUE, card->iobase2 + COR_OFFSET); + /* Set COR as usual */ + iowrite16(COR_VALUE, card->attr_io + COR_OFFSET); + iowrite16(COR_VALUE, card->attr_io + COR_OFFSET); mdelay(1); - outw_p(0x228, card->iobase1 + 2); + iowrite16(0x228, card->bridge_io + 2); return 0; } -static int nortel_pci_hw_init(struct nortel_pci_card *card) +static int orinoco_nortel_hw_init(struct orinoco_pci_card *card) { int i; u32 reg; - /* setup bridge */ - if (inw(card->iobase1) & 1) { + /* Setup bridge */ + if (ioread16(card->bridge_io) & 1) { printk(KERN_ERR PFX "brg1 answer1 wrong\n"); return -EBUSY; } - outw_p(0x118, card->iobase1 + 2); - outw_p(0x108, card->iobase1 + 2); + iowrite16(0x118, card->bridge_io + 2); + iowrite16(0x108, card->bridge_io + 2); mdelay(30); - outw_p(0x8, card->iobase1 + 2); + iowrite16(0x8, card->bridge_io + 2); for (i = 0; i < 30; i++) { mdelay(30); - if (inw(card->iobase1) & 0x10) { + if (ioread16(card->bridge_io) & 0x10) { break; } } @@ -118,42 +112,42 @@ static int nortel_pci_hw_init(struct nortel_pci_card *card) printk(KERN_ERR PFX "brg1 timed out\n"); return -EBUSY; } - if (inw(card->iobase2 + 0xe0) & 1) { + if (ioread16(card->attr_io + COR_OFFSET) & 1) { printk(KERN_ERR PFX "brg2 answer1 wrong\n"); return -EBUSY; } - if (inw(card->iobase2 + 0xe2) & 1) { + if (ioread16(card->attr_io + COR_OFFSET + 2) & 1) { printk(KERN_ERR PFX "brg2 answer2 wrong\n"); return -EBUSY; } - if (inw(card->iobase2 + 0xe4) & 1) { + if (ioread16(card->attr_io + COR_OFFSET + 4) & 1) { printk(KERN_ERR PFX "brg2 answer3 wrong\n"); return -EBUSY; } - /* set the PCMCIA COR-Register */ - outw_p(COR_VALUE, card->iobase2 + COR_OFFSET); + /* Set the PCMCIA COR register */ + iowrite16(COR_VALUE, card->attr_io + COR_OFFSET); mdelay(1); - reg = inw(card->iobase2 + COR_OFFSET); + reg = ioread16(card->attr_io + COR_OFFSET); if (reg != COR_VALUE) { printk(KERN_ERR PFX "Error setting COR value (reg=%x)\n", reg); return -EBUSY; } - /* set leds */ - outw_p(1, card->iobase1 + 10); + /* Set LEDs */ + iowrite16(1, card->bridge_io + 10); return 0; } -static int nortel_pci_init_one(struct pci_dev *pdev, - const struct pci_device_id *ent) +static int orinoco_nortel_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) { int err; struct orinoco_private *priv; - struct nortel_pci_card *card; + struct orinoco_pci_card *card; struct net_device *dev; - void __iomem *iomem; + void __iomem *hermes_io, *bridge_io, *attr_io; err = pci_enable_device(pdev); if (err) { @@ -162,19 +156,34 @@ static int nortel_pci_init_one(struct pci_dev *pdev, } err = pci_request_regions(pdev, DRIVER_NAME); - if (err != 0) { + if (err) { printk(KERN_ERR PFX "Cannot obtain PCI resources\n"); goto fail_resources; } - iomem = pci_iomap(pdev, 2, 0); - if (!iomem) { - err = -ENOMEM; - goto fail_map_io; + bridge_io = pci_iomap(pdev, 0, 0); + if (!bridge_io) { + printk(KERN_ERR PFX "Cannot map bridge registers\n"); + err = -EIO; + goto fail_map_bridge; + } + + attr_io = pci_iomap(pdev, 1, 0); + if (!attr_io) { + printk(KERN_ERR PFX "Cannot map PCMCIA attributes\n"); + err = -EIO; + goto fail_map_attr; + } + + hermes_io = pci_iomap(pdev, 2, 0); + if (!hermes_io) { + printk(KERN_ERR PFX "Cannot map chipset registers\n"); + err = -EIO; + goto fail_map_hermes; } /* Allocate network device */ - dev = alloc_orinocodev(sizeof(*card), nortel_pci_cor_reset); + dev = alloc_orinocodev(sizeof(*card), orinoco_nortel_cor_reset); if (!dev) { printk(KERN_ERR PFX "Cannot allocate network device\n"); err = -ENOMEM; @@ -183,16 +192,12 @@ static int nortel_pci_init_one(struct pci_dev *pdev, priv = netdev_priv(dev); card = priv->card; - card->iobase1 = pci_resource_start(pdev, 0); - card->iobase2 = pci_resource_start(pdev, 1); - dev->base_addr = pci_resource_start(pdev, 2); + card->bridge_io = bridge_io; + card->attr_io = attr_io; SET_MODULE_OWNER(dev); SET_NETDEV_DEV(dev, &pdev->dev); - hermes_struct_init(&priv->hw, iomem, HERMES_16BIT_REGSPACING); - - printk(KERN_DEBUG PFX "Detected Nortel PCI device at %s irq:%d, " - "io addr:0x%lx\n", pci_name(pdev), pdev->irq, dev->base_addr); + hermes_struct_init(&priv->hw, hermes_io, HERMES_16BIT_REGSPACING); err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ, dev->name, dev); @@ -201,21 +206,19 @@ static int nortel_pci_init_one(struct pci_dev *pdev, err = -EBUSY; goto fail_irq; } - dev->irq = pdev->irq; - err = nortel_pci_hw_init(card); + err = orinoco_nortel_hw_init(card); if (err) { printk(KERN_ERR PFX "Hardware initialization failed\n"); goto fail; } - err = nortel_pci_cor_reset(priv); + err = orinoco_nortel_cor_reset(priv); if (err) { printk(KERN_ERR PFX "Initial reset failed\n"); goto fail; } - err = register_netdev(dev); if (err) { printk(KERN_ERR PFX "Cannot register network device\n"); @@ -223,6 +226,8 @@ static int nortel_pci_init_one(struct pci_dev *pdev, } pci_set_drvdata(pdev, dev); + printk(KERN_DEBUG "%s: " DRIVER_NAME " at %s\n", dev->name, + pci_name(pdev)); return 0; @@ -234,9 +239,15 @@ static int nortel_pci_init_one(struct pci_dev *pdev, free_orinocodev(dev); fail_alloc: - pci_iounmap(pdev, iomem); + pci_iounmap(pdev, hermes_io); - fail_map_io: + fail_map_hermes: + pci_iounmap(pdev, attr_io); + + fail_map_attr: + pci_iounmap(pdev, bridge_io); + + fail_map_bridge: pci_release_regions(pdev); fail_resources: @@ -245,26 +256,27 @@ static int nortel_pci_init_one(struct pci_dev *pdev, return err; } -static void __devexit nortel_pci_remove_one(struct pci_dev *pdev) +static void __devexit orinoco_nortel_remove_one(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); struct orinoco_private *priv = netdev_priv(dev); - struct nortel_pci_card *card = priv->card; + struct orinoco_pci_card *card = priv->card; - /* clear leds */ - outw_p(0, card->iobase1 + 10); + /* Clear LEDs */ + iowrite16(0, card->bridge_io + 10); unregister_netdev(dev); - free_irq(dev->irq, dev); + free_irq(pdev->irq, dev); pci_set_drvdata(pdev, NULL); free_orinocodev(dev); pci_iounmap(pdev, priv->hw.iobase); + pci_iounmap(pdev, card->attr_io); + pci_iounmap(pdev, card->bridge_io); pci_release_regions(pdev); pci_disable_device(pdev); } - -static struct pci_device_id nortel_pci_id_table[] = { +static struct pci_device_id orinoco_nortel_id_table[] = { /* Nortel emobility PCI */ {0x126c, 0x8030, PCI_ANY_ID, PCI_ANY_ID,}, /* Symbol LA-4123 PCI */ @@ -272,13 +284,15 @@ static struct pci_device_id nortel_pci_id_table[] = { {0,}, }; -MODULE_DEVICE_TABLE(pci, nortel_pci_id_table); +MODULE_DEVICE_TABLE(pci, orinoco_nortel_id_table); -static struct pci_driver nortel_pci_driver = { - .name = DRIVER_NAME, - .id_table = nortel_pci_id_table, - .probe = nortel_pci_init_one, - .remove = __devexit_p(nortel_pci_remove_one), +static struct pci_driver orinoco_nortel_driver = { + .name = DRIVER_NAME, + .id_table = orinoco_nortel_id_table, + .probe = orinoco_nortel_init_one, + .remove = __devexit_p(orinoco_nortel_remove_one), + .suspend = orinoco_pci_suspend, + .resume = orinoco_pci_resume, }; static char version[] __initdata = DRIVER_NAME " " DRIVER_VERSION @@ -288,20 +302,19 @@ MODULE_DESCRIPTION ("Driver for wireless LAN cards using the Nortel PCI bridge"); MODULE_LICENSE("Dual MPL/GPL"); -static int __init nortel_pci_init(void) +static int __init orinoco_nortel_init(void) { printk(KERN_DEBUG "%s\n", version); - return pci_module_init(&nortel_pci_driver); + return pci_module_init(&orinoco_nortel_driver); } -static void __exit nortel_pci_exit(void) +static void __exit orinoco_nortel_exit(void) { - pci_unregister_driver(&nortel_pci_driver); - ssleep(1); + pci_unregister_driver(&orinoco_nortel_driver); } -module_init(nortel_pci_init); -module_exit(nortel_pci_exit); +module_init(orinoco_nortel_init); +module_exit(orinoco_nortel_exit); /* * Local variables: diff --git a/drivers/net/wireless/orinoco_pci.c b/drivers/net/wireless/orinoco_pci.c index 5362c214fc8e..1c105f40f8d5 100644 --- a/drivers/net/wireless/orinoco_pci.c +++ b/drivers/net/wireless/orinoco_pci.c @@ -1,11 +1,11 @@ /* orinoco_pci.c * - * Driver for Prism II devices that have a direct PCI interface - * (i.e., not in a Pcmcia or PLX bridge) - * - * Specifically here we're talking about the Linksys WMP11 + * Driver for Prism 2.5/3 devices that have a direct PCI interface + * (i.e. these are not PCMCIA cards in a PCMCIA-to-PCI bridge). + * The card contains only one PCI region, which contains all the usual + * hermes registers, as well as the COR register. * - * Current maintainers (as of 29 September 2003) are: + * Current maintainers are: * Pavel Roskin <proski AT gnu.org> * and David Gibson <hermes AT gibson.dropbear.id.au> * @@ -41,54 +41,6 @@ * under either the MPL or the GPL. */ -/* - * Theory of operation... - * ------------------- - * Maybe you had a look in orinoco_plx. Well, this is totally different... - * - * The card contains only one PCI region, which contains all the usual - * hermes registers. - * - * The driver will memory map this region in normal memory. Because - * the hermes registers are mapped in normal memory and not in ISA I/O - * post space, we can't use the usual inw/outw macros and we need to - * use readw/writew. - * This slight difference force us to compile our own version of - * hermes.c with the register access macro changed. That's a bit - * hackish but works fine. - * - * Note that the PCI region is pretty big (4K). That's much more than - * the usual set of hermes register (0x0 -> 0x3E). I've got a strong - * suspicion that the whole memory space of the adapter is in fact in - * this region. Accessing directly the adapter memory instead of going - * through the usual register would speed up significantely the - * operations... - * - * Finally, the card looks like this : ------------------------ - Bus 0, device 14, function 0: - Network controller: PCI device 1260:3873 (Harris Semiconductor) (rev 1). - IRQ 11. - Master Capable. Latency=248. - Prefetchable 32 bit memory at 0xffbcc000 [0xffbccfff]. ------------------------ -00:0e.0 Network controller: Harris Semiconductor: Unknown device 3873 (rev 01) - Subsystem: Unknown device 1737:3874 - Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- - Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- - Latency: 248 set, cache line size 08 - Interrupt: pin A routed to IRQ 11 - Region 0: Memory at ffbcc000 (32-bit, prefetchable) [size=4K] - Capabilities: [dc] Power Management version 2 - Flags: PMEClk- AuxPwr- DSI- D1+ D2+ PME+ - Status: D0 PME-Enable- DSel=0 DScale=0 PME- ------------------------ - * - * That's all.. - * - * Jean II - */ - #define DRIVER_NAME "orinoco_pci" #define PFX DRIVER_NAME ": " @@ -100,12 +52,14 @@ #include <linux/pci.h> #include "orinoco.h" +#include "orinoco_pci.h" -/* All the magic there is from wlan-ng */ -/* Magic offset of the reset register of the PCI card */ +/* Offset of the COR register of the PCI card */ #define HERMES_PCI_COR (0x26) -/* Magic bitmask to reset the card */ + +/* Bitmask to reset the card */ #define HERMES_PCI_COR_MASK (0x0080) + /* Magic timeouts for doing the reset. * Those times are straight from wlan-ng, and it is claimed that they * are necessary. Alan will kill me. Take your time and grab a coffee. */ @@ -113,13 +67,8 @@ #define HERMES_PCI_COR_OFFT (500) /* ms */ #define HERMES_PCI_COR_BUSYT (500) /* ms */ -/* Orinoco PCI specific data */ -struct orinoco_pci_card { - void __iomem *pci_ioaddr; -}; - /* - * Do a soft reset of the PCI card using the Configuration Option Register + * Do a soft reset of the card using the Configuration Option Register * We need this to get going... * This is the part of the code that is strongly inspired from wlan-ng * @@ -131,14 +80,13 @@ struct orinoco_pci_card { * Note bis : Don't try to access HERMES_CMD during the reset phase. * It just won't work ! */ -static int -orinoco_pci_cor_reset(struct orinoco_private *priv) +static int orinoco_pci_cor_reset(struct orinoco_private *priv) { hermes_t *hw = &priv->hw; - unsigned long timeout; - u16 reg; + unsigned long timeout; + u16 reg; - /* Assert the reset until the card notice */ + /* Assert the reset until the card notices */ hermes_write_regn(hw, PCI_COR, HERMES_PCI_COR_MASK); mdelay(HERMES_PCI_COR_ONT); @@ -163,19 +111,14 @@ orinoco_pci_cor_reset(struct orinoco_private *priv) return 0; } -/* - * Initialise a card. Mostly similar to PLX code. - */ static int orinoco_pci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { - int err = 0; - unsigned long pci_iorange; - u16 __iomem *pci_ioaddr = NULL; - unsigned long pci_iolen; - struct orinoco_private *priv = NULL; + int err; + struct orinoco_private *priv; struct orinoco_pci_card *card; - struct net_device *dev = NULL; + struct net_device *dev; + void __iomem *hermes_io; err = pci_enable_device(pdev); if (err) { @@ -184,39 +127,32 @@ static int orinoco_pci_init_one(struct pci_dev *pdev, } err = pci_request_regions(pdev, DRIVER_NAME); - if (err != 0) { + if (err) { printk(KERN_ERR PFX "Cannot obtain PCI resources\n"); goto fail_resources; } - /* Resource 0 is mapped to the hermes registers */ - pci_iorange = pci_resource_start(pdev, 0); - pci_iolen = pci_resource_len(pdev, 0); - pci_ioaddr = ioremap(pci_iorange, pci_iolen); - if (!pci_iorange) { - printk(KERN_ERR PFX "Cannot remap hardware registers\n"); - goto fail_map; + hermes_io = pci_iomap(pdev, 0, 0); + if (!hermes_io) { + printk(KERN_ERR PFX "Cannot remap chipset registers\n"); + err = -EIO; + goto fail_map_hermes; } /* Allocate network device */ dev = alloc_orinocodev(sizeof(*card), orinoco_pci_cor_reset); - if (! dev) { + if (!dev) { + printk(KERN_ERR PFX "Cannot allocate network device\n"); err = -ENOMEM; goto fail_alloc; } priv = netdev_priv(dev); card = priv->card; - card->pci_ioaddr = pci_ioaddr; - dev->mem_start = pci_iorange; - dev->mem_end = pci_iorange + pci_iolen - 1; SET_MODULE_OWNER(dev); SET_NETDEV_DEV(dev, &pdev->dev); - hermes_struct_init(&priv->hw, pci_ioaddr, HERMES_32BIT_REGSPACING); - - printk(KERN_DEBUG PFX "Detected device %s, mem:0x%lx-0x%lx, irq %d\n", - pci_name(pdev), dev->mem_start, dev->mem_end, pdev->irq); + hermes_struct_init(&priv->hw, hermes_io, HERMES_32BIT_REGSPACING); err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ, dev->name, dev); @@ -225,9 +161,7 @@ static int orinoco_pci_init_one(struct pci_dev *pdev, err = -EBUSY; goto fail_irq; } - dev->irq = pdev->irq; - /* Perform a COR reset to start the card */ err = orinoco_pci_cor_reset(priv); if (err) { printk(KERN_ERR PFX "Initial reset failed\n"); @@ -236,11 +170,13 @@ static int orinoco_pci_init_one(struct pci_dev *pdev, err = register_netdev(dev); if (err) { - printk(KERN_ERR PFX "Failed to register net device\n"); + printk(KERN_ERR PFX "Cannot register network device\n"); goto fail; } pci_set_drvdata(pdev, dev); + printk(KERN_DEBUG "%s: " DRIVER_NAME " at %s\n", dev->name, + pci_name(pdev)); return 0; @@ -252,9 +188,9 @@ static int orinoco_pci_init_one(struct pci_dev *pdev, free_orinocodev(dev); fail_alloc: - iounmap(pci_ioaddr); + pci_iounmap(pdev, hermes_io); - fail_map: + fail_map_hermes: pci_release_regions(pdev); fail_resources: @@ -267,87 +203,17 @@ static void __devexit orinoco_pci_remove_one(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); struct orinoco_private *priv = netdev_priv(dev); - struct orinoco_pci_card *card = priv->card; unregister_netdev(dev); - free_irq(dev->irq, dev); + free_irq(pdev->irq, dev); pci_set_drvdata(pdev, NULL); free_orinocodev(dev); - iounmap(card->pci_ioaddr); + pci_iounmap(pdev, priv->hw.iobase); pci_release_regions(pdev); pci_disable_device(pdev); } -static int orinoco_pci_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct net_device *dev = pci_get_drvdata(pdev); - struct orinoco_private *priv = netdev_priv(dev); - unsigned long flags; - int err; - - - err = orinoco_lock(priv, &flags); - if (err) { - printk(KERN_ERR "%s: hw_unavailable on orinoco_pci_suspend\n", - dev->name); - return err; - } - - err = __orinoco_down(dev); - if (err) - printk(KERN_WARNING "%s: orinoco_pci_suspend(): Error %d downing interface\n", - dev->name, err); - - netif_device_detach(dev); - - priv->hw_unavailable++; - - orinoco_unlock(priv, &flags); - - pci_save_state(pdev); - pci_set_power_state(pdev, PCI_D3hot); - - return 0; -} - -static int orinoco_pci_resume(struct pci_dev *pdev) -{ - struct net_device *dev = pci_get_drvdata(pdev); - struct orinoco_private *priv = netdev_priv(dev); - unsigned long flags; - int err; - - printk(KERN_DEBUG "%s: Orinoco-PCI waking up\n", dev->name); - - pci_set_power_state(pdev, 0); - pci_restore_state(pdev); - - err = orinoco_reinit_firmware(dev); - if (err) { - printk(KERN_ERR "%s: Error %d re-initializing firmware on orinoco_pci_resume()\n", - dev->name, err); - return err; - } - - spin_lock_irqsave(&priv->lock, flags); - - netif_device_attach(dev); - - priv->hw_unavailable--; - - if (priv->open && (! priv->hw_unavailable)) { - err = __orinoco_up(dev); - if (err) - printk(KERN_ERR "%s: Error %d restarting card on orinoco_pci_resume()\n", - dev->name, err); - } - - spin_unlock_irqrestore(&priv->lock, flags); - - return 0; -} - -static struct pci_device_id orinoco_pci_pci_id_table[] = { +static struct pci_device_id orinoco_pci_id_table[] = { /* Intersil Prism 3 */ {0x1260, 0x3872, PCI_ANY_ID, PCI_ANY_ID,}, /* Intersil Prism 2.5 */ @@ -357,11 +223,11 @@ static struct pci_device_id orinoco_pci_pci_id_table[] = { {0,}, }; -MODULE_DEVICE_TABLE(pci, orinoco_pci_pci_id_table); +MODULE_DEVICE_TABLE(pci, orinoco_pci_id_table); static struct pci_driver orinoco_pci_driver = { .name = DRIVER_NAME, - .id_table = orinoco_pci_pci_id_table, + .id_table = orinoco_pci_id_table, .probe = orinoco_pci_init_one, .remove = __devexit_p(orinoco_pci_remove_one), .suspend = orinoco_pci_suspend, diff --git a/drivers/net/wireless/orinoco_pci.h b/drivers/net/wireless/orinoco_pci.h new file mode 100644 index 000000000000..7eb1e08113e0 --- /dev/null +++ b/drivers/net/wireless/orinoco_pci.h @@ -0,0 +1,104 @@ +/* orinoco_pci.h + * + * Common code for all Orinoco drivers for PCI devices, including + * both native PCI and PCMCIA-to-PCI bridges. + * + * Copyright (C) 2005, Pavel Roskin. + * See orinoco.c for license. + */ + +#ifndef _ORINOCO_PCI_H +#define _ORINOCO_PCI_H + +#include <linux/netdevice.h> + +/* Driver specific data */ +struct orinoco_pci_card { + void __iomem *bridge_io; + void __iomem *attr_io; +}; + +#ifdef CONFIG_PM +static int orinoco_pci_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct orinoco_private *priv = netdev_priv(dev); + unsigned long flags; + int err; + + err = orinoco_lock(priv, &flags); + if (err) { + printk(KERN_ERR "%s: cannot lock hardware for suspend\n", + dev->name); + return err; + } + + err = __orinoco_down(dev); + if (err) + printk(KERN_WARNING "%s: error %d bringing interface down " + "for suspend\n", dev->name, err); + + netif_device_detach(dev); + + priv->hw_unavailable++; + + orinoco_unlock(priv, &flags); + + free_irq(pdev->irq, dev); + pci_save_state(pdev); + pci_disable_device(pdev); + pci_set_power_state(pdev, PCI_D3hot); + + return 0; +} + +static int orinoco_pci_resume(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + struct orinoco_private *priv = netdev_priv(dev); + unsigned long flags; + int err; + + pci_set_power_state(pdev, 0); + pci_enable_device(pdev); + pci_restore_state(pdev); + + err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ, + dev->name, dev); + if (err) { + printk(KERN_ERR "%s: cannot re-allocate IRQ on resume\n", + dev->name); + pci_disable_device(pdev); + return -EBUSY; + } + + err = orinoco_reinit_firmware(dev); + if (err) { + printk(KERN_ERR "%s: error %d re-initializing firmware " + "on resume\n", dev->name, err); + return err; + } + + spin_lock_irqsave(&priv->lock, flags); + + netif_device_attach(dev); + + priv->hw_unavailable--; + + if (priv->open && (! priv->hw_unavailable)) { + err = __orinoco_up(dev); + if (err) + printk(KERN_ERR "%s: Error %d restarting card on resume\n", + dev->name, err); + } + + spin_unlock_irqrestore(&priv->lock, flags); + + return 0; +} +#else +#define orinoco_pci_suspend NULL +#define orinoco_pci_resume NULL +#endif + +#endif /* _ORINOCO_PCI_H */ diff --git a/drivers/net/wireless/orinoco_plx.c b/drivers/net/wireless/orinoco_plx.c index 210e73776545..84f696c77551 100644 --- a/drivers/net/wireless/orinoco_plx.c +++ b/drivers/net/wireless/orinoco_plx.c @@ -3,7 +3,7 @@ * Driver for Prism II devices which would usually be driven by orinoco_cs, * but are connected to the PCI bus by a PLX9052. * - * Current maintainers (as of 29 September 2003) are: + * Current maintainers are: * Pavel Roskin <proski AT gnu.org> * and David Gibson <hermes AT gibson.dropbear.id.au> * @@ -30,38 +30,18 @@ * other provisions required by the GPL. If you do not delete the * provisions above, a recipient may use your version of this file * under either the MPL or the GPL. - - * Caution: this is experimental and probably buggy. For success and - * failure reports for different cards and adaptors, see - * orinoco_plx_pci_id_table near the end of the file. If you have a - * card we don't have the PCI id for, and looks like it should work, - * drop me mail with the id and "it works"/"it doesn't work". - * - * Note: if everything gets detected fine but it doesn't actually send - * or receive packets, your first port of call should probably be to - * try newer firmware in the card. Especially if you're doing Ad-Hoc - * modes. - * - * The actual driving is done by orinoco.c, this is just resource - * allocation stuff. The explanation below is courtesy of Ryan Niemi - * on the linux-wlan-ng list at - * http://archives.neohapsis.com/archives/dev/linux-wlan/2001-q1/0026.html * - * The PLX9052-based cards (WL11000 and several others) are a - * different beast than the usual PCMCIA-based PRISM2 configuration - * expected by wlan-ng. Here's the general details on how the WL11000 - * PCI adapter works: + * Here's the general details on how the PLX9052 adapter works: * * - Two PCI I/O address spaces, one 0x80 long which contains the * PLX9052 registers, and one that's 0x40 long mapped to the PCMCIA * slot I/O address space. * - * - One PCI memory address space, mapped to the PCMCIA memory space + * - One PCI memory address space, mapped to the PCMCIA attribute space * (containing the CIS). * - * After identifying the I/O and memory space, you can read through - * the memory space to confirm the CIS's device ID or manufacturer ID - * to make sure it's the expected card. qKeep in mind that the PCMCIA + * Using the later, you can read through the CIS data to make sure the + * card is compatible with the driver. Keep in mind that the PCMCIA * spec specifies the CIS as the lower 8 bits of each word read from * the CIS, so to read the bytes of the CIS, read every other byte * (0,2,4,...). Passing that test, you need to enable the I/O address @@ -71,7 +51,7 @@ * within the PCI memory space. Write 0x41 to the COR register to * enable I/O mode and to select level triggered interrupts. To * confirm you actually succeeded, read the COR register back and make - * sure it actually got set to 0x41, incase you have an unexpected + * sure it actually got set to 0x41, in case you have an unexpected * card inserted. * * Following that, you can treat the second PCI I/O address space (the @@ -101,16 +81,6 @@ * that, I've hot-swapped a number of times during debugging and * driver development for various reasons (stuck WAIT# line after the * radio card's firmware locks up). - * - * Hope this is enough info for someone to add PLX9052 support to the - * wlan-ng card. In the case of the WL11000, the PCI ID's are - * 0x1639/0x0200, with matching subsystem ID's. Other PLX9052-based - * manufacturers other than Eumitcom (or on cards other than the - * WL11000) may have different PCI ID's. - * - * If anyone needs any more specific info, let me know. I haven't had - * time to implement support myself yet, and with the way things are - * going, might not have time for a while.. */ #define DRIVER_NAME "orinoco_plx" @@ -125,6 +95,7 @@ #include <pcmcia/cisreg.h> #include "orinoco.h" +#include "orinoco_pci.h" #define COR_OFFSET (0x3e0) /* COR attribute offset of Prism2 PC card */ #define COR_VALUE (COR_LEVEL_REQ | COR_FUNC_ENA) /* Enable PC card with interrupt in level trigger */ @@ -134,30 +105,20 @@ #define PLX_INTCSR 0x4c /* Interrupt Control & Status Register */ #define PLX_INTCSR_INTEN (1<<6) /* Interrupt Enable bit */ -static const u8 cis_magic[] = { - 0x01, 0x03, 0x00, 0x00, 0xff, 0x17, 0x04, 0x67 -}; - -/* Orinoco PLX specific data */ -struct orinoco_plx_card { - void __iomem *attr_mem; -}; - /* * Do a soft reset of the card using the Configuration Option Register */ static int orinoco_plx_cor_reset(struct orinoco_private *priv) { hermes_t *hw = &priv->hw; - struct orinoco_plx_card *card = priv->card; - u8 __iomem *attr_mem = card->attr_mem; + struct orinoco_pci_card *card = priv->card; unsigned long timeout; u16 reg; - writeb(COR_VALUE | COR_RESET, attr_mem + COR_OFFSET); + iowrite8(COR_VALUE | COR_RESET, card->attr_io + COR_OFFSET); mdelay(1); - writeb(COR_VALUE, attr_mem + COR_OFFSET); + iowrite8(COR_VALUE, card->attr_io + COR_OFFSET); mdelay(1); /* Just in case, wait more until the card is no longer busy */ @@ -168,7 +129,7 @@ static int orinoco_plx_cor_reset(struct orinoco_private *priv) reg = hermes_read_regn(hw, CMD); } - /* Did we timeout ? */ + /* Still busy? */ if (reg & HERMES_CMD_BUSY) { printk(KERN_ERR PFX "Busy timeout\n"); return -ETIMEDOUT; @@ -177,20 +138,55 @@ static int orinoco_plx_cor_reset(struct orinoco_private *priv) return 0; } +static int orinoco_plx_hw_init(struct orinoco_pci_card *card) +{ + int i; + u32 csr_reg; + static const u8 cis_magic[] = { + 0x01, 0x03, 0x00, 0x00, 0xff, 0x17, 0x04, 0x67 + }; + + printk(KERN_DEBUG PFX "CIS: "); + for (i = 0; i < 16; i++) { + printk("%02X:", ioread8(card->attr_io + (i << 1))); + } + printk("\n"); + + /* Verify whether a supported PC card is present */ + /* FIXME: we probably need to be smarted about this */ + for (i = 0; i < sizeof(cis_magic); i++) { + if (cis_magic[i] != ioread8(card->attr_io + (i << 1))) { + printk(KERN_ERR PFX "The CIS value of Prism2 PC " + "card is unexpected\n"); + return -ENODEV; + } + } + + /* bjoern: We need to tell the card to enable interrupts, in + case the serial eprom didn't do this already. See the + PLX9052 data book, p8-1 and 8-24 for reference. */ + csr_reg = ioread32(card->bridge_io + PLX_INTCSR); + if (!(csr_reg & PLX_INTCSR_INTEN)) { + csr_reg |= PLX_INTCSR_INTEN; + iowrite32(csr_reg, card->bridge_io + PLX_INTCSR); + csr_reg = ioread32(card->bridge_io + PLX_INTCSR); + if (!(csr_reg & PLX_INTCSR_INTEN)) { + printk(KERN_ERR PFX "Cannot enable interrupts\n"); + return -EIO; + } + } + + return 0; +} static int orinoco_plx_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { - int err = 0; - u8 __iomem *attr_mem = NULL; - u32 csr_reg, plx_addr; - struct orinoco_private *priv = NULL; - struct orinoco_plx_card *card; - unsigned long pccard_ioaddr = 0; - unsigned long pccard_iolen = 0; - struct net_device *dev = NULL; - void __iomem *mem; - int i; + int err; + struct orinoco_private *priv; + struct orinoco_pci_card *card; + struct net_device *dev; + void __iomem *hermes_io, *attr_io, *bridge_io; err = pci_enable_device(pdev); if (err) { @@ -199,30 +195,30 @@ static int orinoco_plx_init_one(struct pci_dev *pdev, } err = pci_request_regions(pdev, DRIVER_NAME); - if (err != 0) { + if (err) { printk(KERN_ERR PFX "Cannot obtain PCI resources\n"); goto fail_resources; } - /* Resource 1 is mapped to PLX-specific registers */ - plx_addr = pci_resource_start(pdev, 1); + bridge_io = pci_iomap(pdev, 1, 0); + if (!bridge_io) { + printk(KERN_ERR PFX "Cannot map bridge registers\n"); + err = -EIO; + goto fail_map_bridge; + } - /* Resource 2 is mapped to the PCMCIA attribute memory */ - attr_mem = ioremap(pci_resource_start(pdev, 2), - pci_resource_len(pdev, 2)); - if (!attr_mem) { - printk(KERN_ERR PFX "Cannot remap PCMCIA space\n"); + attr_io = pci_iomap(pdev, 2, 0); + if (!attr_io) { + printk(KERN_ERR PFX "Cannot map PCMCIA attributes\n"); + err = -EIO; goto fail_map_attr; } - /* Resource 3 is mapped to the PCMCIA I/O address space */ - pccard_ioaddr = pci_resource_start(pdev, 3); - pccard_iolen = pci_resource_len(pdev, 3); - - mem = pci_iomap(pdev, 3, 0); - if (!mem) { - err = -ENOMEM; - goto fail_map_io; + hermes_io = pci_iomap(pdev, 3, 0); + if (!hermes_io) { + printk(KERN_ERR PFX "Cannot map chipset registers\n"); + err = -EIO; + goto fail_map_hermes; } /* Allocate network device */ @@ -235,16 +231,12 @@ static int orinoco_plx_init_one(struct pci_dev *pdev, priv = netdev_priv(dev); card = priv->card; - card->attr_mem = attr_mem; - dev->base_addr = pccard_ioaddr; + card->bridge_io = bridge_io; + card->attr_io = attr_io; SET_MODULE_OWNER(dev); SET_NETDEV_DEV(dev, &pdev->dev); - hermes_struct_init(&priv->hw, mem, HERMES_16BIT_REGSPACING); - - printk(KERN_DEBUG PFX "Detected Orinoco/Prism2 PLX device " - "at %s irq:%d, io addr:0x%lx\n", pci_name(pdev), pdev->irq, - pccard_ioaddr); + hermes_struct_init(&priv->hw, hermes_io, HERMES_16BIT_REGSPACING); err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ, dev->name, dev); @@ -253,20 +245,11 @@ static int orinoco_plx_init_one(struct pci_dev *pdev, err = -EBUSY; goto fail_irq; } - dev->irq = pdev->irq; - /* bjoern: We need to tell the card to enable interrupts, in - case the serial eprom didn't do this already. See the - PLX9052 data book, p8-1 and 8-24 for reference. */ - csr_reg = inl(plx_addr + PLX_INTCSR); - if (!(csr_reg & PLX_INTCSR_INTEN)) { - csr_reg |= PLX_INTCSR_INTEN; - outl(csr_reg, plx_addr + PLX_INTCSR); - csr_reg = inl(plx_addr + PLX_INTCSR); - if (!(csr_reg & PLX_INTCSR_INTEN)) { - printk(KERN_ERR PFX "Cannot enable interrupts\n"); - goto fail; - } + err = orinoco_plx_hw_init(card); + if (err) { + printk(KERN_ERR PFX "Hardware initialization failed\n"); + goto fail; } err = orinoco_plx_cor_reset(priv); @@ -275,23 +258,6 @@ static int orinoco_plx_init_one(struct pci_dev *pdev, goto fail; } - printk(KERN_DEBUG PFX "CIS: "); - for (i = 0; i < 16; i++) { - printk("%02X:", readb(attr_mem + 2*i)); - } - printk("\n"); - - /* Verify whether a supported PC card is present */ - /* FIXME: we probably need to be smarted about this */ - for (i = 0; i < sizeof(cis_magic); i++) { - if (cis_magic[i] != readb(attr_mem +2*i)) { - printk(KERN_ERR PFX "The CIS value of Prism2 PC " - "card is unexpected\n"); - err = -EIO; - goto fail; - } - } - err = register_netdev(dev); if (err) { printk(KERN_ERR PFX "Cannot register network device\n"); @@ -299,6 +265,8 @@ static int orinoco_plx_init_one(struct pci_dev *pdev, } pci_set_drvdata(pdev, dev); + printk(KERN_DEBUG "%s: " DRIVER_NAME " at %s\n", dev->name, + pci_name(pdev)); return 0; @@ -310,12 +278,15 @@ static int orinoco_plx_init_one(struct pci_dev *pdev, free_orinocodev(dev); fail_alloc: - pci_iounmap(pdev, mem); + pci_iounmap(pdev, hermes_io); - fail_map_io: - iounmap(attr_mem); + fail_map_hermes: + pci_iounmap(pdev, attr_io); fail_map_attr: + pci_iounmap(pdev, bridge_io); + + fail_map_bridge: pci_release_regions(pdev); fail_resources: @@ -328,23 +299,20 @@ static void __devexit orinoco_plx_remove_one(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); struct orinoco_private *priv = netdev_priv(dev); - struct orinoco_plx_card *card = priv->card; - u8 __iomem *attr_mem = card->attr_mem; - - BUG_ON(! dev); + struct orinoco_pci_card *card = priv->card; unregister_netdev(dev); - free_irq(dev->irq, dev); + free_irq(pdev->irq, dev); pci_set_drvdata(pdev, NULL); free_orinocodev(dev); pci_iounmap(pdev, priv->hw.iobase); - iounmap(attr_mem); + pci_iounmap(pdev, card->attr_io); + pci_iounmap(pdev, card->bridge_io); pci_release_regions(pdev); pci_disable_device(pdev); } - -static struct pci_device_id orinoco_plx_pci_id_table[] = { +static struct pci_device_id orinoco_plx_id_table[] = { {0x111a, 0x1023, PCI_ANY_ID, PCI_ANY_ID,}, /* Siemens SpeedStream SS1023 */ {0x1385, 0x4100, PCI_ANY_ID, PCI_ANY_ID,}, /* Netgear MA301 */ {0x15e8, 0x0130, PCI_ANY_ID, PCI_ANY_ID,}, /* Correga - does this work? */ @@ -362,13 +330,15 @@ static struct pci_device_id orinoco_plx_pci_id_table[] = { {0,}, }; -MODULE_DEVICE_TABLE(pci, orinoco_plx_pci_id_table); +MODULE_DEVICE_TABLE(pci, orinoco_plx_id_table); static struct pci_driver orinoco_plx_driver = { .name = DRIVER_NAME, - .id_table = orinoco_plx_pci_id_table, + .id_table = orinoco_plx_id_table, .probe = orinoco_plx_init_one, .remove = __devexit_p(orinoco_plx_remove_one), + .suspend = orinoco_pci_suspend, + .resume = orinoco_pci_resume, }; static char version[] __initdata = DRIVER_NAME " " DRIVER_VERSION @@ -388,7 +358,6 @@ static int __init orinoco_plx_init(void) static void __exit orinoco_plx_exit(void) { pci_unregister_driver(&orinoco_plx_driver); - ssleep(1); } module_init(orinoco_plx_init); diff --git a/drivers/net/wireless/orinoco_tmd.c b/drivers/net/wireless/orinoco_tmd.c index 5e68b7026186..d2b4decb7a7d 100644 --- a/drivers/net/wireless/orinoco_tmd.c +++ b/drivers/net/wireless/orinoco_tmd.c @@ -1,5 +1,5 @@ /* orinoco_tmd.c - * + * * Driver for Prism II devices which would usually be driven by orinoco_cs, * but are connected to the PCI bus by a TMD7160. * @@ -26,25 +26,13 @@ * other provisions required by the GPL. If you do not delete the * provisions above, a recipient may use your version of this file * under either the MPL or the GPL. - - * Caution: this is experimental and probably buggy. For success and - * failure reports for different cards and adaptors, see - * orinoco_tmd_pci_id_table near the end of the file. If you have a - * card we don't have the PCI id for, and looks like it should work, - * drop me mail with the id and "it works"/"it doesn't work". - * - * Note: if everything gets detected fine but it doesn't actually send - * or receive packets, your first port of call should probably be to - * try newer firmware in the card. Especially if you're doing Ad-Hoc - * modes * * The actual driving is done by orinoco.c, this is just resource * allocation stuff. * * This driver is modeled after the orinoco_plx driver. The main - * difference is that the TMD chip has only IO port ranges and no - * memory space, i.e. no access to the CIS. Compared to the PLX chip, - * the io range functionalities are exchanged. + * difference is that the TMD chip has only IO port ranges and doesn't + * provide access to the PCMCIA attribute space. * * Pheecom sells cards with the TMD chip as "ASIC version" */ @@ -61,32 +49,26 @@ #include <pcmcia/cisreg.h> #include "orinoco.h" +#include "orinoco_pci.h" #define COR_VALUE (COR_LEVEL_REQ | COR_FUNC_ENA) /* Enable PC card with interrupt in level trigger */ #define COR_RESET (0x80) /* reset bit in the COR register */ #define TMD_RESET_TIME (500) /* milliseconds */ -/* Orinoco TMD specific data */ -struct orinoco_tmd_card { - u32 tmd_io; -}; - - /* * Do a soft reset of the card using the Configuration Option Register */ static int orinoco_tmd_cor_reset(struct orinoco_private *priv) { hermes_t *hw = &priv->hw; - struct orinoco_tmd_card *card = priv->card; - u32 addr = card->tmd_io; + struct orinoco_pci_card *card = priv->card; unsigned long timeout; u16 reg; - outb(COR_VALUE | COR_RESET, addr); + iowrite8(COR_VALUE | COR_RESET, card->bridge_io); mdelay(1); - outb(COR_VALUE, addr); + iowrite8(COR_VALUE, card->bridge_io); mdelay(1); /* Just in case, wait more until the card is no longer busy */ @@ -97,7 +79,7 @@ static int orinoco_tmd_cor_reset(struct orinoco_private *priv) reg = hermes_read_regn(hw, CMD); } - /* Did we timeout ? */ + /* Still busy? */ if (reg & HERMES_CMD_BUSY) { printk(KERN_ERR PFX "Busy timeout\n"); return -ETIMEDOUT; @@ -110,11 +92,11 @@ static int orinoco_tmd_cor_reset(struct orinoco_private *priv) static int orinoco_tmd_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { - int err = 0; - struct orinoco_private *priv = NULL; - struct orinoco_tmd_card *card; - struct net_device *dev = NULL; - void __iomem *mem; + int err; + struct orinoco_private *priv; + struct orinoco_pci_card *card; + struct net_device *dev; + void __iomem *hermes_io, *bridge_io; err = pci_enable_device(pdev); if (err) { @@ -123,20 +105,28 @@ static int orinoco_tmd_init_one(struct pci_dev *pdev, } err = pci_request_regions(pdev, DRIVER_NAME); - if (err != 0) { + if (err) { printk(KERN_ERR PFX "Cannot obtain PCI resources\n"); goto fail_resources; } - mem = pci_iomap(pdev, 2, 0); - if (! mem) { - err = -ENOMEM; - goto fail_iomap; + bridge_io = pci_iomap(pdev, 1, 0); + if (!bridge_io) { + printk(KERN_ERR PFX "Cannot map bridge registers\n"); + err = -EIO; + goto fail_map_bridge; + } + + hermes_io = pci_iomap(pdev, 2, 0); + if (!hermes_io) { + printk(KERN_ERR PFX "Cannot map chipset registers\n"); + err = -EIO; + goto fail_map_hermes; } /* Allocate network device */ dev = alloc_orinocodev(sizeof(*card), orinoco_tmd_cor_reset); - if (! dev) { + if (!dev) { printk(KERN_ERR PFX "Cannot allocate network device\n"); err = -ENOMEM; goto fail_alloc; @@ -144,16 +134,11 @@ static int orinoco_tmd_init_one(struct pci_dev *pdev, priv = netdev_priv(dev); card = priv->card; - card->tmd_io = pci_resource_start(pdev, 1); - dev->base_addr = pci_resource_start(pdev, 2); + card->bridge_io = bridge_io; SET_MODULE_OWNER(dev); SET_NETDEV_DEV(dev, &pdev->dev); - hermes_struct_init(&priv->hw, mem, HERMES_16BIT_REGSPACING); - - printk(KERN_DEBUG PFX "Detected Orinoco/Prism2 TMD device " - "at %s irq:%d, io addr:0x%lx\n", pci_name(pdev), pdev->irq, - dev->base_addr); + hermes_struct_init(&priv->hw, hermes_io, HERMES_16BIT_REGSPACING); err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ, dev->name, dev); @@ -162,7 +147,6 @@ static int orinoco_tmd_init_one(struct pci_dev *pdev, err = -EBUSY; goto fail_irq; } - dev->irq = pdev->irq; err = orinoco_tmd_cor_reset(priv); if (err) { @@ -177,6 +161,8 @@ static int orinoco_tmd_init_one(struct pci_dev *pdev, } pci_set_drvdata(pdev, dev); + printk(KERN_DEBUG "%s: " DRIVER_NAME " at %s\n", dev->name, + pci_name(pdev)); return 0; @@ -188,9 +174,12 @@ static int orinoco_tmd_init_one(struct pci_dev *pdev, free_orinocodev(dev); fail_alloc: - pci_iounmap(pdev, mem); + pci_iounmap(pdev, hermes_io); + + fail_map_hermes: + pci_iounmap(pdev, bridge_io); - fail_iomap: + fail_map_bridge: pci_release_regions(pdev); fail_resources: @@ -203,31 +192,32 @@ static void __devexit orinoco_tmd_remove_one(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); struct orinoco_private *priv = dev->priv; - - BUG_ON(! dev); + struct orinoco_pci_card *card = priv->card; unregister_netdev(dev); - free_irq(dev->irq, dev); + free_irq(pdev->irq, dev); pci_set_drvdata(pdev, NULL); free_orinocodev(dev); pci_iounmap(pdev, priv->hw.iobase); + pci_iounmap(pdev, card->bridge_io); pci_release_regions(pdev); pci_disable_device(pdev); } - -static struct pci_device_id orinoco_tmd_pci_id_table[] = { +static struct pci_device_id orinoco_tmd_id_table[] = { {0x15e8, 0x0131, PCI_ANY_ID, PCI_ANY_ID,}, /* NDC and OEMs, e.g. pheecom */ {0,}, }; -MODULE_DEVICE_TABLE(pci, orinoco_tmd_pci_id_table); +MODULE_DEVICE_TABLE(pci, orinoco_tmd_id_table); static struct pci_driver orinoco_tmd_driver = { .name = DRIVER_NAME, - .id_table = orinoco_tmd_pci_id_table, + .id_table = orinoco_tmd_id_table, .probe = orinoco_tmd_init_one, .remove = __devexit_p(orinoco_tmd_remove_one), + .suspend = orinoco_pci_suspend, + .resume = orinoco_pci_resume, }; static char version[] __initdata = DRIVER_NAME " " DRIVER_VERSION @@ -245,7 +235,6 @@ static int __init orinoco_tmd_init(void) static void __exit orinoco_tmd_exit(void) { pci_unregister_driver(&orinoco_tmd_driver); - ssleep(1); } module_init(orinoco_tmd_init); diff --git a/drivers/net/wireless/spectrum_cs.c b/drivers/net/wireless/spectrum_cs.c index f7b77ce54d7b..7f9aa139c347 100644 --- a/drivers/net/wireless/spectrum_cs.c +++ b/drivers/net/wireless/spectrum_cs.c @@ -1,6 +1,6 @@ /* * Driver for 802.11b cards using RAM-loadable Symbol firmware, such as - * Symbol Wireless Networker LA4100, CompactFlash cards by Socket + * Symbol Wireless Networker LA4137, CompactFlash cards by Socket * Communications and Intel PRO/Wireless 2011B. * * The driver implements Symbol firmware download. The rest is handled @@ -120,8 +120,8 @@ static void spectrum_cs_release(struct pcmcia_device *link); * Each block has the following structure. */ struct dblock { - __le32 _addr; /* adapter address where to write the block */ - __le16 _len; /* length of the data only, in bytes */ + __le32 addr; /* adapter address where to write the block */ + __le16 len; /* length of the data only, in bytes */ char data[0]; /* data to be written */ } __attribute__ ((packed)); @@ -131,9 +131,9 @@ struct dblock { * items with matching ID should be written. */ struct pdr { - __le32 _id; /* record ID */ - __le32 _addr; /* adapter address where to write the data */ - __le32 _len; /* expected length of the data, in bytes */ + __le32 id; /* record ID */ + __le32 addr; /* adapter address where to write the data */ + __le32 len; /* expected length of the data, in bytes */ char next[0]; /* next PDR starts here */ } __attribute__ ((packed)); @@ -144,8 +144,8 @@ struct pdr { * be plugged into the secondary firmware. */ struct pdi { - __le16 _len; /* length of ID and data, in words */ - __le16 _id; /* record ID */ + __le16 len; /* length of ID and data, in words */ + __le16 id; /* record ID */ char data[0]; /* plug data */ } __attribute__ ((packed)); @@ -154,44 +154,44 @@ struct pdi { static inline u32 dblock_addr(const struct dblock *blk) { - return le32_to_cpu(blk->_addr); + return le32_to_cpu(blk->addr); } static inline u32 dblock_len(const struct dblock *blk) { - return le16_to_cpu(blk->_len); + return le16_to_cpu(blk->len); } static inline u32 pdr_id(const struct pdr *pdr) { - return le32_to_cpu(pdr->_id); + return le32_to_cpu(pdr->id); } static inline u32 pdr_addr(const struct pdr *pdr) { - return le32_to_cpu(pdr->_addr); + return le32_to_cpu(pdr->addr); } static inline u32 pdr_len(const struct pdr *pdr) { - return le32_to_cpu(pdr->_len); + return le32_to_cpu(pdr->len); } static inline u32 pdi_id(const struct pdi *pdi) { - return le16_to_cpu(pdi->_id); + return le16_to_cpu(pdi->id); } /* Return length of the data only, in bytes */ static inline u32 pdi_len(const struct pdi *pdi) { - return 2 * (le16_to_cpu(pdi->_len) - 1); + return 2 * (le16_to_cpu(pdi->len) - 1); } @@ -343,8 +343,7 @@ spectrum_plug_pdi(hermes_t *hw, struct pdr *first_pdr, struct pdi *pdi) /* do the actual plugging */ spectrum_aux_setaddr(hw, pdr_addr(pdr)); - hermes_write_words(hw, HERMES_AUXDATA, pdi->data, - pdi_len(pdi) / 2); + hermes_write_bytes(hw, HERMES_AUXDATA, pdi->data, pdi_len(pdi)); return 0; } @@ -424,8 +423,8 @@ spectrum_load_blocks(hermes_t *hw, const struct dblock *first_block) while (dblock_addr(blk) != BLOCK_END) { spectrum_aux_setaddr(hw, blkaddr); - hermes_write_words(hw, HERMES_AUXDATA, blk->data, - blklen / 2); + hermes_write_bytes(hw, HERMES_AUXDATA, blk->data, + blklen); blk = (struct dblock *) &blk->data[blklen]; blkaddr = dblock_addr(blk); @@ -626,14 +625,11 @@ static void spectrum_cs_detach(struct pcmcia_device *link) { struct net_device *dev = link->priv; + if (link->dev_node) + unregister_netdev(dev); + spectrum_cs_release(link); - DEBUG(0, PFX "detach: link=%p link->dev_node=%p\n", link, link->dev_node); - if (link->dev_node) { - DEBUG(0, PFX "About to unregister net device %p\n", - dev); - unregister_netdev(dev); - } free_orinocodev(dev); } /* spectrum_cs_detach */ @@ -653,13 +649,10 @@ spectrum_cs_config(struct pcmcia_device *link) int last_fn, last_ret; u_char buf[64]; config_info_t conf; - cisinfo_t info; tuple_t tuple; cisparse_t parse; void __iomem *mem; - CS_CHECK(ValidateCIS, pcmcia_validate_cis(link, &info)); - /* * This reads the card's CONFIG tuple to find its * configuration registers. @@ -709,12 +702,6 @@ spectrum_cs_config(struct pcmcia_device *link) goto next_entry; link->conf.ConfigIndex = cfg->index; - /* Does this card need audio output? */ - if (cfg->flags & CISTPL_CFTABLE_AUDIO) { - link->conf.Attributes |= CONF_ENABLE_SPKR; - link->conf.Status = CCSR_AUDIO_ENA; - } - /* Use power settings for Vcc and Vpp if present */ /* Note that the CIS values need to be rescaled */ if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) { @@ -835,19 +822,10 @@ spectrum_cs_config(struct pcmcia_device *link) net_device has been registered */ /* Finally, report what we've done */ - printk(KERN_DEBUG "%s: index 0x%02x: ", - dev->name, link->conf.ConfigIndex); - if (link->conf.Vpp) - printk(", Vpp %d.%d", link->conf.Vpp / 10, - link->conf.Vpp % 10); - printk(", irq %d", link->irq.AssignedIRQ); - if (link->io.NumPorts1) - printk(", io 0x%04x-0x%04x", link->io.BasePort1, - link->io.BasePort1 + link->io.NumPorts1 - 1); - if (link->io.NumPorts2) - printk(" & 0x%04x-0x%04x", link->io.BasePort2, - link->io.BasePort2 + link->io.NumPorts2 - 1); - printk("\n"); + printk(KERN_DEBUG "%s: " DRIVER_NAME " at %s, irq %d, io " + "0x%04x-0x%04x\n", dev->name, dev->class_dev.dev->bus_id, + link->irq.AssignedIRQ, link->io.BasePort1, + link->io.BasePort1 + link->io.NumPorts1 - 1); return 0; @@ -888,11 +866,10 @@ spectrum_cs_suspend(struct pcmcia_device *link) { struct net_device *dev = link->priv; struct orinoco_private *priv = netdev_priv(dev); - unsigned long flags; int err = 0; /* Mark the device as stopped, to block IO until later */ - spin_lock_irqsave(&priv->lock, flags); + spin_lock(&priv->lock); err = __orinoco_down(dev); if (err) @@ -902,9 +879,9 @@ spectrum_cs_suspend(struct pcmcia_device *link) netif_device_detach(dev); priv->hw_unavailable++; - spin_unlock_irqrestore(&priv->lock, flags); + spin_unlock(&priv->lock); - return 0; + return err; } static int @@ -932,7 +909,7 @@ static char version[] __initdata = DRIVER_NAME " " DRIVER_VERSION " David Gibson <hermes@gibson.dropbear.id.au>, et al)"; static struct pcmcia_device_id spectrum_cs_ids[] = { - PCMCIA_DEVICE_MANF_CARD(0x026c, 0x0001), /* Symbol Spectrum24 LA4100 */ + PCMCIA_DEVICE_MANF_CARD(0x026c, 0x0001), /* Symbol Spectrum24 LA4137 */ PCMCIA_DEVICE_MANF_CARD(0x0104, 0x0001), /* Socket Communications CF */ PCMCIA_DEVICE_PROD_ID12("Intel", "PRO/Wireless LAN PC Card", 0x816cc815, 0x6fbf459a), /* 2011B, not 2011 */ PCMCIA_DEVICE_NULL, diff --git a/drivers/usb/net/zd1201.c b/drivers/net/wireless/zd1201.c index 9b1e4ed1d07e..662ecc8a33ff 100644 --- a/drivers/usb/net/zd1201.c +++ b/drivers/net/wireless/zd1201.c @@ -33,7 +33,7 @@ static struct usb_device_id zd1201_table[] = { {} }; -static int ap = 0; /* Are we an AP or a normal station? */ +static int ap; /* Are we an AP or a normal station? */ #define ZD1201_VERSION "0.15" @@ -49,7 +49,7 @@ MODULE_DEVICE_TABLE(usb, zd1201_table); static int zd1201_fw_upload(struct usb_device *dev, int apfw) { const struct firmware *fw_entry; - char* data; + char *data; unsigned long len; int err; unsigned char ret; @@ -65,7 +65,7 @@ static int zd1201_fw_upload(struct usb_device *dev, int apfw) if (err) { dev_err(&dev->dev, "Failed to load %s firmware file!\n", fwfile); dev_err(&dev->dev, "Make sure the hotplug firmware loader is installed.\n"); - dev_err(&dev->dev, "Goto http://linux-lc100020.sourceforge.net for more info\n"); + dev_err(&dev->dev, "Goto http://linux-lc100020.sourceforge.net for more info.\n"); return err; } @@ -94,12 +94,12 @@ static int zd1201_fw_upload(struct usb_device *dev, int apfw) USB_DIR_OUT | 0x40, 0, 0, NULL, 0, ZD1201_FW_TIMEOUT); if (err < 0) goto exit; - + err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4, USB_DIR_IN | 0x40, 0,0, &ret, sizeof(ret), ZD1201_FW_TIMEOUT); if (err < 0) goto exit; - + if (ret & 0x80) { err = -EIO; goto exit; @@ -166,13 +166,13 @@ static int zd1201_docmd(struct zd1201 *zd, int cmd, int parm0, return -ENOMEM; } usb_fill_bulk_urb(urb, zd->usb, usb_sndbulkpipe(zd->usb, zd->endp_out2), - command, 16, zd1201_usbfree, zd); + command, 16, zd1201_usbfree, zd); ret = usb_submit_urb(urb, GFP_ATOMIC); if (ret) { kfree(command); usb_free_urb(urb); } - + return ret; } @@ -316,7 +316,7 @@ static void zd1201_usbrx(struct urb *urb, struct pt_regs *regs) fc = le16_to_cpu(*(__le16 *)&data[datalen-16]); seq = le16_to_cpu(*(__le16 *)&data[datalen-24]); - if(zd->monitor) { + if (zd->monitor) { if (datalen < 24) goto resubmit; if (!(skb = dev_alloc_skb(datalen+24))) @@ -364,7 +364,7 @@ static void zd1201_usbrx(struct urb *urb, struct pt_regs *regs) goto resubmit; } hlist_for_each_entry(frag, node, &zd->fraglist, fnode) - if(frag->seq == (seq&IEEE80211_SCTL_SEQ)) + if (frag->seq == (seq&IEEE80211_SCTL_SEQ)) break; if (!frag) goto resubmit; @@ -376,7 +376,6 @@ static void zd1201_usbrx(struct urb *urb, struct pt_regs *regs) goto resubmit; hlist_del_init(&frag->fnode); kfree(frag); - /* Fallthrough */ } else { if (datalen<14) goto resubmit; @@ -422,7 +421,7 @@ static int zd1201_getconfig(struct zd1201 *zd, int rid, void *riddata, int rid_fid; int length; unsigned char *pdata; - + zd->rxdatas = 0; err = zd1201_docmd(zd, ZD1201_CMDCODE_ACCESS, rid, 0, 0); if (err) @@ -471,11 +470,11 @@ static int zd1201_getconfig(struct zd1201 *zd, int rid, void *riddata, length = zd->rxlen; do { - int actual_length; + int actual_length; actual_length = (length > 64) ? 64 : length; - if(pdata[0] != 0x3) { + if (pdata[0] != 0x3) { dev_dbg(&zd->usb->dev, "Rx Resource packet type error: %02X\n", pdata[0]); return -EINVAL; @@ -487,11 +486,10 @@ static int zd1201_getconfig(struct zd1201 *zd, int rid, void *riddata, } /* Skip the 4 bytes header (RID length and RID) */ - if(i == 0) { + if (i == 0) { pdata += 8; actual_length -= 8; - } - else { + } else { pdata += 4; actual_length -= 4; } @@ -620,7 +618,7 @@ static int zd1201_drvr_start(struct zd1201 *zd) short max; __le16 zdmax; unsigned char *buffer; - + buffer = kzalloc(ZD1201_RXSIZE, GFP_KERNEL); if (!buffer) return -ENOMEM; @@ -632,7 +630,7 @@ static int zd1201_drvr_start(struct zd1201 *zd) err = usb_submit_urb(zd->rx_urb, GFP_KERNEL); if (err) goto err_buffer; - + err = zd1201_docmd(zd, ZD1201_CMDCODE_INIT, 0, 0, 0); if (err) goto err_urb; @@ -684,7 +682,7 @@ static int zd1201_enable(struct zd1201 *zd) static int zd1201_disable(struct zd1201 *zd) { int err; - + if (!zd->mac_enabled) return 0; if (zd->monitor) { @@ -764,7 +762,6 @@ static int zd1201_net_open(struct net_device *dev) static int zd1201_net_stop(struct net_device *dev) { netif_stop_queue(dev); - return 0; } @@ -915,7 +912,6 @@ static int zd1201_get_name(struct net_device *dev, struct iw_request_info *info, char *name, char *extra) { strcpy(name, "IEEE 802.11b"); - return 0; } @@ -1013,11 +1009,10 @@ static int zd1201_set_mode(struct net_device *dev, if (err) return err; } - zd->monitor=monitor; + zd->monitor = monitor; /* If monitor mode is set we don't actually turn it on here since it * is done during mac reset anyway (see zd1201_mac_enable). */ - zd1201_mac_reset(zd); return 0; @@ -1117,7 +1112,7 @@ static int zd1201_get_wap(struct net_device *dev, zd->iwstats.qual.updated = 2; } - return zd1201_getconfig(zd,ZD1201_RID_CURRENTBSSID,ap_addr->sa_data,6); + return zd1201_getconfig(zd, ZD1201_RID_CURRENTBSSID, ap_addr->sa_data, 6); } static int zd1201_set_scan(struct net_device *dev, @@ -1275,7 +1270,7 @@ static int zd1201_set_rate(struct net_device *dev, if (!rrq->fixed) { /* Also enable all lower bitrates */ rate |= rate-1; } - + err = zd1201_setconfig16(zd, ZD1201_RID_TXRATECNTL, rate); if (err) return err; @@ -1486,7 +1481,7 @@ static int zd1201_get_encode(struct net_device *dev, return -EINVAL; erq->flags |= i+1; - + erq->length = zd->encode_keylen[i]; memcpy(key, zd->encode_keys[i], erq->length); @@ -1529,11 +1524,7 @@ static int zd1201_set_power(struct net_device *dev, return -EINVAL; } out: - err = zd1201_setconfig16(zd, ZD1201_RID_CNFPMENABLED, enabled); - if (err) - return err; - - return 0; + return zd1201_setconfig16(zd, ZD1201_RID_CNFPMENABLED, enabled); } static int zd1201_get_power(struct net_device *dev, @@ -1627,15 +1618,11 @@ static int zd1201_set_hostauth(struct net_device *dev, struct iw_request_info *info, struct iw_param *rrq, char *extra) { struct zd1201 *zd = (struct zd1201 *)dev->priv; - int err; if (!zd->ap) return -EOPNOTSUPP; - err = zd1201_setconfig16(zd, ZD1201_RID_CNFHOSTAUTH, rrq->value); - if (err) - return err; - return 0; + return zd1201_setconfig16(zd, ZD1201_RID_CNFHOSTAUTH, rrq->value); } static int zd1201_get_hostauth(struct net_device *dev, @@ -1744,7 +1731,7 @@ static int zd1201_probe(struct usb_interface *interface, { struct zd1201 *zd; struct usb_device *usb; - int i, err; + int err; short porttype; char buf[IW_ESSID_MAX_SIZE+2]; @@ -1773,9 +1760,7 @@ static int zd1201_probe(struct usb_interface *interface, if (!zd->rx_urb || !zd->tx_urb) goto err_zd; - for(i = 0; i<100; i++) - udelay(1000); - + mdelay(100); err = zd1201_drvr_start(zd); if (err) goto err_zd; @@ -1833,7 +1818,7 @@ static int zd1201_probe(struct usb_interface *interface, goto err_net; dev_info(&usb->dev, "%s: ZD1201 USB Wireless interface\n", zd->dev->name); - + usb_set_intfdata(interface, zd); return 0; diff --git a/drivers/usb/net/zd1201.h b/drivers/net/wireless/zd1201.h index 235f0ee34b24..235f0ee34b24 100644 --- a/drivers/usb/net/zd1201.h +++ b/drivers/net/wireless/zd1201.h diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 1456759936c5..10e1a905c144 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -285,9 +285,9 @@ static int pci_device_suspend(struct device * dev, pm_message_t state) * Default resume method for devices that have no driver provided resume, * or not even a driver at all. */ -static void pci_default_resume(struct pci_dev *pci_dev) +static int pci_default_resume(struct pci_dev *pci_dev) { - int retval; + int retval = 0; /* restore the PCI config space */ pci_restore_state(pci_dev); @@ -297,18 +297,21 @@ static void pci_default_resume(struct pci_dev *pci_dev) /* if the device was busmaster before the suspend, make it busmaster again */ if (pci_dev->is_busmaster) pci_set_master(pci_dev); + + return retval; } static int pci_device_resume(struct device * dev) { + int error; struct pci_dev * pci_dev = to_pci_dev(dev); struct pci_driver * drv = pci_dev->driver; if (drv && drv->resume) - drv->resume(pci_dev); + error = drv->resume(pci_dev); else - pci_default_resume(pci_dev); - return 0; + error = pci_default_resume(pci_dev); + return error; } static void pci_device_shutdown(struct device *dev) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 2329f941a0dc..fde41cc14734 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -164,7 +164,6 @@ int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap) return __pci_bus_find_cap(bus, devfn, hdr_type & 0x7f, cap); } -#if 0 /** * pci_find_ext_capability - Find an extended capability * @dev: PCI device to query @@ -212,7 +211,7 @@ int pci_find_ext_capability(struct pci_dev *dev, int cap) return 0; } -#endif /* 0 */ +EXPORT_SYMBOL_GPL(pci_find_ext_capability); /** * pci_find_parent_resource - return resource region of parent bus of given region @@ -461,9 +460,23 @@ int pci_restore_state(struct pci_dev *dev) { int i; + int val; - for (i = 0; i < 16; i++) - pci_write_config_dword(dev,i * 4, dev->saved_config_space[i]); + /* + * The Base Address register should be programmed before the command + * register(s) + */ + for (i = 15; i >= 0; i--) { + pci_read_config_dword(dev, i * 4, &val); + if (val != dev->saved_config_space[i]) { + printk(KERN_DEBUG "PM: Writing back config space on " + "device %s at offset %x (was %x, writing %x)\n", + pci_name(dev), i, + val, (int)dev->saved_config_space[i]); + pci_write_config_dword(dev,i * 4, + dev->saved_config_space[i]); + } + } pci_restore_msi_state(dev); pci_restore_msix_state(dev); return 0; diff --git a/drivers/s390/net/Makefile b/drivers/s390/net/Makefile index 90d4d0ef3dd4..6775a837d646 100644 --- a/drivers/s390/net/Makefile +++ b/drivers/s390/net/Makefile @@ -2,7 +2,7 @@ # S/390 network devices # -ctc-objs := ctcmain.o ctctty.o ctcdbug.o +ctc-objs := ctcmain.o ctcdbug.o obj-$(CONFIG_IUCV) += iucv.o obj-$(CONFIG_NETIUCV) += netiucv.o fsm.o @@ -10,6 +10,7 @@ obj-$(CONFIG_SMSGIUCV) += smsgiucv.o obj-$(CONFIG_CTC) += ctc.o fsm.o cu3088.o obj-$(CONFIG_LCS) += lcs.o cu3088.o obj-$(CONFIG_CLAW) += claw.o cu3088.o +obj-$(CONFIG_MPC) += ctcmpc.o fsm.o cu3088.o qeth-y := qeth_main.o qeth_mpc.o qeth_sys.o qeth_eddp.o qeth-$(CONFIG_PROC_FS) += qeth_proc.o obj-$(CONFIG_QETH) += qeth.o diff --git a/drivers/s390/net/ctcmain.c b/drivers/s390/net/ctcmain.c index fe986af884f8..20c8eb16f464 100644 --- a/drivers/s390/net/ctcmain.c +++ b/drivers/s390/net/ctcmain.c @@ -6,7 +6,7 @@ * Fixes by : Jochen Röhrig (roehrig@de.ibm.com) * Arnaldo Carvalho de Melo <acme@conectiva.com.br> Peter Tiedemann (ptiedem@de.ibm.com) - * Driver Model stuff by : Cornelia Huck <huckc@de.ibm.com> + * Driver Model stuff by : Cornelia Huck <cornelia.huck@de.ibm.com> * * Documentation used: * - Principles of Operation (IBM doc#: SA22-7201-06) @@ -65,7 +65,6 @@ #include <asm/idals.h> -#include "ctctty.h" #include "fsm.h" #include "cu3088.h" @@ -479,10 +478,7 @@ ctc_unpack_skb(struct channel *ch, struct sk_buff *pskb) skb->dev = pskb->dev; skb->protocol = pskb->protocol; pskb->ip_summed = CHECKSUM_UNNECESSARY; - if (ch->protocol == CTC_PROTO_LINUX_TTY) - ctc_tty_netif_rx(skb); - else - netif_rx_ni(skb); + netif_rx_ni(skb); /** * Successful rx; reset logflags */ @@ -557,8 +553,7 @@ ccw_unit_check(struct channel *ch, unsigned char sense) DBF_TEXT(trace, 5, __FUNCTION__); if (sense & SNS0_INTERVENTION_REQ) { if (sense & 0x01) { - if (ch->protocol != CTC_PROTO_LINUX_TTY) - ctc_pr_debug("%s: Interface disc. or Sel. reset " + ctc_pr_debug("%s: Interface disc. or Sel. reset " "(remote)\n", ch->id); fsm_event(ch->fsm, CH_EVENT_UC_RCRESET, ch); } else { @@ -2034,7 +2029,6 @@ static void dev_action_chup(fsm_instance * fi, int event, void *arg) { struct net_device *dev = (struct net_device *) arg; - struct ctc_priv *privptr = dev->priv; DBF_TEXT(trace, 3, __FUNCTION__); switch (fsm_getstate(fi)) { @@ -2049,8 +2043,6 @@ dev_action_chup(fsm_instance * fi, int event, void *arg) fsm_newstate(fi, DEV_STATE_RUNNING); ctc_pr_info("%s: connected with remote side\n", dev->name); - if (privptr->protocol == CTC_PROTO_LINUX_TTY) - ctc_tty_setcarrier(dev, 1); ctc_clear_busy(dev); } break; @@ -2059,8 +2051,6 @@ dev_action_chup(fsm_instance * fi, int event, void *arg) fsm_newstate(fi, DEV_STATE_RUNNING); ctc_pr_info("%s: connected with remote side\n", dev->name); - if (privptr->protocol == CTC_PROTO_LINUX_TTY) - ctc_tty_setcarrier(dev, 1); ctc_clear_busy(dev); } break; @@ -2086,14 +2076,10 @@ dev_action_chup(fsm_instance * fi, int event, void *arg) static void dev_action_chdown(fsm_instance * fi, int event, void *arg) { - struct net_device *dev = (struct net_device *) arg; - struct ctc_priv *privptr = dev->priv; DBF_TEXT(trace, 3, __FUNCTION__); switch (fsm_getstate(fi)) { case DEV_STATE_RUNNING: - if (privptr->protocol == CTC_PROTO_LINUX_TTY) - ctc_tty_setcarrier(dev, 0); if (event == DEV_EVENT_TXDOWN) fsm_newstate(fi, DEV_STATE_STARTWAIT_TX); else @@ -2397,8 +2383,6 @@ ctc_tx(struct sk_buff *skb, struct net_device * dev) */ if (fsm_getstate(privptr->fsm) != DEV_STATE_RUNNING) { fsm_event(privptr->fsm, DEV_EVENT_START, dev); - if (privptr->protocol == CTC_PROTO_LINUX_TTY) - return -EBUSY; dev_kfree_skb(skb); privptr->stats.tx_dropped++; privptr->stats.tx_errors++; @@ -2608,20 +2592,13 @@ ctc_netdev_unregister(struct net_device * dev) if (!dev) return; privptr = (struct ctc_priv *) dev->priv; - if (privptr->protocol != CTC_PROTO_LINUX_TTY) - unregister_netdev(dev); - else - ctc_tty_unregister_netdev(dev); + unregister_netdev(dev); } static int ctc_netdev_register(struct net_device * dev) { - struct ctc_priv *privptr = (struct ctc_priv *) dev->priv; - if (privptr->protocol != CTC_PROTO_LINUX_TTY) - return register_netdev(dev); - else - return ctc_tty_register_netdev(dev); + return register_netdev(dev); } static void @@ -2667,7 +2644,9 @@ ctc_proto_store(struct device *dev, struct device_attribute *attr, const char *b if (!priv) return -ENODEV; sscanf(buf, "%u", &value); - if ((value < 0) || (value > CTC_PROTO_MAX)) + if (!((value == CTC_PROTO_S390) || + (value == CTC_PROTO_LINUX) || + (value == CTC_PROTO_OS390))) return -EINVAL; priv->protocol = value; @@ -2897,10 +2876,7 @@ ctc_new_device(struct ccwgroup_device *cgdev) goto out; } - if (privptr->protocol == CTC_PROTO_LINUX_TTY) - strlcpy(dev->name, "ctctty%d", IFNAMSIZ); - else - strlcpy(dev->name, "ctc%d", IFNAMSIZ); + strlcpy(dev->name, "ctc%d", IFNAMSIZ); for (direction = READ; direction <= WRITE; direction++) { privptr->channel[direction] = @@ -3046,7 +3022,6 @@ ctc_exit(void) { DBF_TEXT(setup, 3, __FUNCTION__); unregister_cu3088_discipline(&ctc_group_driver); - ctc_tty_cleanup(); ctc_unregister_dbf_views(); ctc_pr_info("CTC driver unloaded\n"); } @@ -3073,10 +3048,8 @@ ctc_init(void) ctc_pr_crit("ctc_init failed with ctc_register_dbf_views rc = %d\n", ret); return ret; } - ctc_tty_init(); ret = register_cu3088_discipline(&ctc_group_driver); if (ret) { - ctc_tty_cleanup(); ctc_unregister_dbf_views(); } return ret; diff --git a/drivers/s390/net/ctcmain.h b/drivers/s390/net/ctcmain.h index d2e835c0c134..7f305d119f3d 100644 --- a/drivers/s390/net/ctcmain.h +++ b/drivers/s390/net/ctcmain.h @@ -35,7 +35,9 @@ #include <asm/ccwdev.h> #include <asm/ccwgroup.h> -#include "ctctty.h" +#include <linux/skbuff.h> +#include <linux/netdevice.h> + #include "fsm.h" #include "cu3088.h" @@ -50,9 +52,7 @@ #define CTC_PROTO_S390 0 #define CTC_PROTO_LINUX 1 -#define CTC_PROTO_LINUX_TTY 2 #define CTC_PROTO_OS390 3 -#define CTC_PROTO_MAX 3 #define CTC_BUFSIZE_LIMIT 65535 #define CTC_BUFSIZE_DEFAULT 32768 @@ -257,15 +257,13 @@ static __inline__ void ctc_clear_busy(struct net_device * dev) { clear_bit(0, &(((struct ctc_priv *) dev->priv)->tbusy)); - if (((struct ctc_priv *)dev->priv)->protocol != CTC_PROTO_LINUX_TTY) - netif_wake_queue(dev); + netif_wake_queue(dev); } static __inline__ int ctc_test_and_set_busy(struct net_device * dev) { - if (((struct ctc_priv *)dev->priv)->protocol != CTC_PROTO_LINUX_TTY) - netif_stop_queue(dev); + netif_stop_queue(dev); return test_and_set_bit(0, &((struct ctc_priv *) dev->priv)->tbusy); } diff --git a/drivers/s390/net/ctctty.c b/drivers/s390/net/ctctty.c deleted file mode 100644 index af54d1de07bf..000000000000 --- a/drivers/s390/net/ctctty.c +++ /dev/null @@ -1,1259 +0,0 @@ -/* - * CTC / ESCON network driver, tty interface. - * - * Copyright (C) 2001 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Fritz Elfert (elfert@de.ibm.com, felfert@millenux.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/tty.h> -#include <linux/tty_flip.h> -#include <linux/serial_reg.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <asm/uaccess.h> -#include <linux/devfs_fs_kernel.h> -#include "ctctty.h" -#include "ctcdbug.h" - -#define CTC_TTY_MAJOR 43 -#define CTC_TTY_MAX_DEVICES 64 - -#define CTC_ASYNC_MAGIC 0x49344C01 /* for paranoia-checking */ -#define CTC_ASYNC_INITIALIZED 0x80000000 /* port was initialized */ -#define CTC_ASYNC_NORMAL_ACTIVE 0x20000000 /* Normal device active */ -#define CTC_ASYNC_CLOSING 0x08000000 /* Serial port is closing */ -#define CTC_ASYNC_CTS_FLOW 0x04000000 /* Do CTS flow control */ -#define CTC_ASYNC_CHECK_CD 0x02000000 /* i.e., CLOCAL */ -#define CTC_ASYNC_HUP_NOTIFY 0x0001 /* Notify tty on hangups/closes */ -#define CTC_ASYNC_NETDEV_OPEN 0x0002 /* Underlying netdev is open */ -#define CTC_ASYNC_TX_LINESTAT 0x0004 /* Must send line status */ -#define CTC_ASYNC_SPLIT_TERMIOS 0x0008 /* Sep. termios for dialin/out */ -#define CTC_TTY_XMIT_SIZE 1024 /* Default bufsize for write */ -#define CTC_SERIAL_XMIT_MAX 4000 /* Maximum bufsize for write */ - -/* Private data (similar to async_struct in <linux/serial.h>) */ -typedef struct { - int magic; - int flags; /* defined in tty.h */ - int mcr; /* Modem control register */ - int msr; /* Modem status register */ - int lsr; /* Line status register */ - int line; - int count; /* # of fd on device */ - int blocked_open; /* # of blocked opens */ - struct net_device *netdev; - struct sk_buff_head tx_queue; /* transmit queue */ - struct sk_buff_head rx_queue; /* receive queue */ - struct tty_struct *tty; /* Pointer to corresponding tty */ - wait_queue_head_t open_wait; - wait_queue_head_t close_wait; - struct semaphore write_sem; - struct tasklet_struct tasklet; - struct timer_list stoptimer; -} ctc_tty_info; - -/* Description of one CTC-tty */ -typedef struct { - struct tty_driver *ctc_tty_device; /* tty-device */ - ctc_tty_info info[CTC_TTY_MAX_DEVICES]; /* Private data */ -} ctc_tty_driver; - -static ctc_tty_driver *driver; - -/* Leave this unchanged unless you know what you do! */ -#define MODEM_PARANOIA_CHECK -#define MODEM_DO_RESTART - -#define CTC_TTY_NAME "ctctty" - -static __u32 ctc_tty_magic = CTC_ASYNC_MAGIC; -static int ctc_tty_shuttingdown = 0; - -static spinlock_t ctc_tty_lock; - -/* ctc_tty_try_read() is called from within ctc_tty_rcv_skb() - * to stuff incoming data directly into a tty's flip-buffer. If the - * flip buffer is full, the packet gets queued up. - * - * Return: - * 1 = Success - * 0 = Failure, data has to be buffered and later processed by - * ctc_tty_readmodem(). - */ -static int -ctc_tty_try_read(ctc_tty_info * info, struct sk_buff *skb) -{ - int len; - struct tty_struct *tty; - - DBF_TEXT(trace, 5, __FUNCTION__); - if ((tty = info->tty)) { - if (info->mcr & UART_MCR_RTS) { - len = skb->len; - tty_insert_flip_string(tty, skb->data, len); - tty_flip_buffer_push(tty); - kfree_skb(skb); - return 1; - } - } - return 0; -} - -/* ctc_tty_readmodem() is called periodically from within timer-interrupt. - * It tries getting received data from the receive queue an stuff it into - * the tty's flip-buffer. - */ -static int -ctc_tty_readmodem(ctc_tty_info *info) -{ - int ret = 1; - struct tty_struct *tty; - - DBF_TEXT(trace, 5, __FUNCTION__); - if ((tty = info->tty)) { - if (info->mcr & UART_MCR_RTS) { - struct sk_buff *skb; - - if ((skb = skb_dequeue(&info->rx_queue))) { - int len = skb->len; - tty_insert_flip_string(tty, skb->data, len); - skb_pull(skb, len); - tty_flip_buffer_push(tty); - if (skb->len > 0) - skb_queue_head(&info->rx_queue, skb); - else { - kfree_skb(skb); - ret = !skb_queue_empty(&info->rx_queue); - } - } - } - } - return ret; -} - -void -ctc_tty_setcarrier(struct net_device *netdev, int on) -{ - int i; - - DBF_TEXT(trace, 4, __FUNCTION__); - if ((!driver) || ctc_tty_shuttingdown) - return; - for (i = 0; i < CTC_TTY_MAX_DEVICES; i++) - if (driver->info[i].netdev == netdev) { - ctc_tty_info *info = &driver->info[i]; - if (on) - info->msr |= UART_MSR_DCD; - else - info->msr &= ~UART_MSR_DCD; - if ((info->flags & CTC_ASYNC_CHECK_CD) && (!on)) - tty_hangup(info->tty); - } -} - -void -ctc_tty_netif_rx(struct sk_buff *skb) -{ - int i; - ctc_tty_info *info = NULL; - - DBF_TEXT(trace, 5, __FUNCTION__); - if (!skb) - return; - if ((!skb->dev) || (!driver) || ctc_tty_shuttingdown) { - dev_kfree_skb(skb); - return; - } - for (i = 0; i < CTC_TTY_MAX_DEVICES; i++) - if (driver->info[i].netdev == skb->dev) { - info = &driver->info[i]; - break; - } - if (!info) { - dev_kfree_skb(skb); - return; - } - if (skb->len < 6) { - dev_kfree_skb(skb); - return; - } - if (memcmp(skb->data, &ctc_tty_magic, sizeof(__u32))) { - dev_kfree_skb(skb); - return; - } - skb_pull(skb, sizeof(__u32)); - - i = *((int *)skb->data); - skb_pull(skb, sizeof(info->mcr)); - if (i & UART_MCR_RTS) { - info->msr |= UART_MSR_CTS; - if (info->flags & CTC_ASYNC_CTS_FLOW) - info->tty->hw_stopped = 0; - } else { - info->msr &= ~UART_MSR_CTS; - if (info->flags & CTC_ASYNC_CTS_FLOW) - info->tty->hw_stopped = 1; - } - if (i & UART_MCR_DTR) - info->msr |= UART_MSR_DSR; - else - info->msr &= ~UART_MSR_DSR; - if (skb->len <= 0) { - kfree_skb(skb); - return; - } - /* Try to deliver directly via tty-flip-buf if queue is empty */ - if (skb_queue_empty(&info->rx_queue)) - if (ctc_tty_try_read(info, skb)) - return; - /* Direct deliver failed or queue wasn't empty. - * Queue up for later dequeueing via timer-irq. - */ - skb_queue_tail(&info->rx_queue, skb); - /* Schedule dequeuing */ - tasklet_schedule(&info->tasklet); -} - -static int -ctc_tty_tint(ctc_tty_info * info) -{ - struct sk_buff *skb = skb_dequeue(&info->tx_queue); - int stopped = (info->tty->hw_stopped || info->tty->stopped); - int wake = 1; - int rc; - - DBF_TEXT(trace, 4, __FUNCTION__); - if (!info->netdev) { - if (skb) - kfree_skb(skb); - return 0; - } - if (info->flags & CTC_ASYNC_TX_LINESTAT) { - int skb_res = info->netdev->hard_header_len + - sizeof(info->mcr) + sizeof(__u32); - /* If we must update line status, - * create an empty dummy skb and insert it. - */ - if (skb) - skb_queue_head(&info->tx_queue, skb); - - skb = dev_alloc_skb(skb_res); - if (!skb) { - printk(KERN_WARNING - "ctc_tty: Out of memory in %s%d tint\n", - CTC_TTY_NAME, info->line); - return 1; - } - skb_reserve(skb, skb_res); - stopped = 0; - wake = 0; - } - if (!skb) - return 0; - if (stopped) { - skb_queue_head(&info->tx_queue, skb); - return 1; - } -#if 0 - if (skb->len > 0) - printk(KERN_DEBUG "tint: %d %02x\n", skb->len, *(skb->data)); - else - printk(KERN_DEBUG "tint: %d STAT\n", skb->len); -#endif - memcpy(skb_push(skb, sizeof(info->mcr)), &info->mcr, sizeof(info->mcr)); - memcpy(skb_push(skb, sizeof(__u32)), &ctc_tty_magic, sizeof(__u32)); - rc = info->netdev->hard_start_xmit(skb, info->netdev); - if (rc) { - skb_pull(skb, sizeof(info->mcr) + sizeof(__u32)); - if (skb->len > 0) - skb_queue_head(&info->tx_queue, skb); - else - kfree_skb(skb); - } else { - struct tty_struct *tty = info->tty; - - info->flags &= ~CTC_ASYNC_TX_LINESTAT; - if (tty) { - tty_wakeup(tty); - } - } - return (skb_queue_empty(&info->tx_queue) ? 0 : 1); -} - -/************************************************************ - * - * Modem-functions - * - * mostly "stolen" from original Linux-serial.c and friends. - * - ************************************************************/ - -static inline int -ctc_tty_paranoia_check(ctc_tty_info * info, char *name, const char *routine) -{ -#ifdef MODEM_PARANOIA_CHECK - if (!info) { - printk(KERN_WARNING "ctc_tty: null info_struct for %s in %s\n", - name, routine); - return 1; - } - if (info->magic != CTC_ASYNC_MAGIC) { - printk(KERN_WARNING "ctc_tty: bad magic for info struct %s in %s\n", - name, routine); - return 1; - } -#endif - return 0; -} - -static void -ctc_tty_inject(ctc_tty_info *info, char c) -{ - int skb_res; - struct sk_buff *skb; - - DBF_TEXT(trace, 4, __FUNCTION__); - if (ctc_tty_shuttingdown) - return; - skb_res = info->netdev->hard_header_len + sizeof(info->mcr) + - sizeof(__u32) + 1; - skb = dev_alloc_skb(skb_res); - if (!skb) { - printk(KERN_WARNING - "ctc_tty: Out of memory in %s%d tx_inject\n", - CTC_TTY_NAME, info->line); - return; - } - skb_reserve(skb, skb_res); - *(skb_put(skb, 1)) = c; - skb_queue_head(&info->tx_queue, skb); - tasklet_schedule(&info->tasklet); -} - -static void -ctc_tty_transmit_status(ctc_tty_info *info) -{ - DBF_TEXT(trace, 5, __FUNCTION__); - if (ctc_tty_shuttingdown) - return; - info->flags |= CTC_ASYNC_TX_LINESTAT; - tasklet_schedule(&info->tasklet); -} - -static void -ctc_tty_change_speed(ctc_tty_info * info) -{ - unsigned int cflag; - unsigned int quot; - int i; - - DBF_TEXT(trace, 3, __FUNCTION__); - if (!info->tty || !info->tty->termios) - return; - cflag = info->tty->termios->c_cflag; - - quot = i = cflag & CBAUD; - if (i & CBAUDEX) { - i &= ~CBAUDEX; - if (i < 1 || i > 2) - info->tty->termios->c_cflag &= ~CBAUDEX; - else - i += 15; - } - if (quot) { - info->mcr |= UART_MCR_DTR; - info->mcr |= UART_MCR_RTS; - ctc_tty_transmit_status(info); - } else { - info->mcr &= ~UART_MCR_DTR; - info->mcr &= ~UART_MCR_RTS; - ctc_tty_transmit_status(info); - return; - } - - /* CTS flow control flag and modem status interrupts */ - if (cflag & CRTSCTS) { - info->flags |= CTC_ASYNC_CTS_FLOW; - } else - info->flags &= ~CTC_ASYNC_CTS_FLOW; - if (cflag & CLOCAL) - info->flags &= ~CTC_ASYNC_CHECK_CD; - else { - info->flags |= CTC_ASYNC_CHECK_CD; - } -} - -static int -ctc_tty_startup(ctc_tty_info * info) -{ - DBF_TEXT(trace, 3, __FUNCTION__); - if (info->flags & CTC_ASYNC_INITIALIZED) - return 0; -#ifdef CTC_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "starting up %s%d ...\n", CTC_TTY_NAME, info->line); -#endif - /* - * Now, initialize the UART - */ - info->mcr = UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2; - if (info->tty) - clear_bit(TTY_IO_ERROR, &info->tty->flags); - /* - * and set the speed of the serial port - */ - ctc_tty_change_speed(info); - - info->flags |= CTC_ASYNC_INITIALIZED; - if (!(info->flags & CTC_ASYNC_NETDEV_OPEN)) - info->netdev->open(info->netdev); - info->flags |= CTC_ASYNC_NETDEV_OPEN; - return 0; -} - -static void -ctc_tty_stopdev(unsigned long data) -{ - ctc_tty_info *info = (ctc_tty_info *)data; - - if ((!info) || (!info->netdev) || - (info->flags & CTC_ASYNC_INITIALIZED)) - return; - info->netdev->stop(info->netdev); - info->flags &= ~CTC_ASYNC_NETDEV_OPEN; -} - -/* - * This routine will shutdown a serial port; interrupts are disabled, and - * DTR is dropped if the hangup on close termio flag is on. - */ -static void -ctc_tty_shutdown(ctc_tty_info * info) -{ - DBF_TEXT(trace, 3, __FUNCTION__); - if (!(info->flags & CTC_ASYNC_INITIALIZED)) - return; -#ifdef CTC_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "Shutting down %s%d ....\n", CTC_TTY_NAME, info->line); -#endif - info->msr &= ~UART_MSR_RI; - if (!info->tty || (info->tty->termios->c_cflag & HUPCL)) - info->mcr &= ~(UART_MCR_DTR | UART_MCR_RTS); - if (info->tty) - set_bit(TTY_IO_ERROR, &info->tty->flags); - mod_timer(&info->stoptimer, jiffies + (10 * HZ)); - skb_queue_purge(&info->tx_queue); - skb_queue_purge(&info->rx_queue); - info->flags &= ~CTC_ASYNC_INITIALIZED; -} - -/* ctc_tty_write() is the main send-routine. It is called from the upper - * levels within the kernel to perform sending data. Depending on the - * online-flag it either directs output to the at-command-interpreter or - * to the lower level. Additional tasks done here: - * - If online, check for escape-sequence (+++) - * - If sending audio-data, call ctc_tty_DLEdown() to parse DLE-codes. - * - If receiving audio-data, call ctc_tty_end_vrx() to abort if needed. - * - If dialing, abort dial. - */ -static int -ctc_tty_write(struct tty_struct *tty, const u_char * buf, int count) -{ - int c; - int total = 0; - ctc_tty_info *info = (ctc_tty_info *) tty->driver_data; - - DBF_TEXT(trace, 5, __FUNCTION__); - if (ctc_tty_shuttingdown) - goto ex; - if (ctc_tty_paranoia_check(info, tty->name, "ctc_tty_write")) - goto ex; - if (!tty) - goto ex; - if (!info->netdev) { - total = -ENODEV; - goto ex; - } - while (1) { - struct sk_buff *skb; - int skb_res; - - c = (count < CTC_TTY_XMIT_SIZE) ? count : CTC_TTY_XMIT_SIZE; - if (c <= 0) - break; - - skb_res = info->netdev->hard_header_len + sizeof(info->mcr) + - + sizeof(__u32); - skb = dev_alloc_skb(skb_res + c); - if (!skb) { - printk(KERN_WARNING - "ctc_tty: Out of memory in %s%d write\n", - CTC_TTY_NAME, info->line); - break; - } - skb_reserve(skb, skb_res); - memcpy(skb_put(skb, c), buf, c); - skb_queue_tail(&info->tx_queue, skb); - buf += c; - total += c; - count -= c; - } - if (!skb_queue_empty(&info->tx_queue)) { - info->lsr &= ~UART_LSR_TEMT; - tasklet_schedule(&info->tasklet); - } -ex: - DBF_TEXT(trace, 6, __FUNCTION__); - return total; -} - -static int -ctc_tty_write_room(struct tty_struct *tty) -{ - ctc_tty_info *info = (ctc_tty_info *) tty->driver_data; - - if (ctc_tty_paranoia_check(info, tty->name, "ctc_tty_write_room")) - return 0; - return CTC_TTY_XMIT_SIZE; -} - -static int -ctc_tty_chars_in_buffer(struct tty_struct *tty) -{ - ctc_tty_info *info = (ctc_tty_info *) tty->driver_data; - - if (ctc_tty_paranoia_check(info, tty->name, "ctc_tty_chars_in_buffer")) - return 0; - return 0; -} - -static void -ctc_tty_flush_buffer(struct tty_struct *tty) -{ - ctc_tty_info *info; - unsigned long flags; - - DBF_TEXT(trace, 4, __FUNCTION__); - if (!tty) - goto ex; - spin_lock_irqsave(&ctc_tty_lock, flags); - info = (ctc_tty_info *) tty->driver_data; - if (ctc_tty_paranoia_check(info, tty->name, "ctc_tty_flush_buffer")) { - spin_unlock_irqrestore(&ctc_tty_lock, flags); - goto ex; - } - skb_queue_purge(&info->tx_queue); - info->lsr |= UART_LSR_TEMT; - spin_unlock_irqrestore(&ctc_tty_lock, flags); - wake_up_interruptible(&tty->write_wait); - tty_wakeup(tty); -ex: - DBF_TEXT_(trace, 2, "ex: %s ", __FUNCTION__); - return; -} - -static void -ctc_tty_flush_chars(struct tty_struct *tty) -{ - ctc_tty_info *info = (ctc_tty_info *) tty->driver_data; - - DBF_TEXT(trace, 4, __FUNCTION__); - if (ctc_tty_shuttingdown) - return; - if (ctc_tty_paranoia_check(info, tty->name, "ctc_tty_flush_chars")) - return; - if (tty->stopped || tty->hw_stopped || skb_queue_empty(&info->tx_queue)) - return; - tasklet_schedule(&info->tasklet); -} - -/* - * ------------------------------------------------------------ - * ctc_tty_throttle() - * - * This routine is called by the upper-layer tty layer to signal that - * incoming characters should be throttled. - * ------------------------------------------------------------ - */ -static void -ctc_tty_throttle(struct tty_struct *tty) -{ - ctc_tty_info *info = (ctc_tty_info *) tty->driver_data; - - DBF_TEXT(trace, 4, __FUNCTION__); - if (ctc_tty_paranoia_check(info, tty->name, "ctc_tty_throttle")) - return; - info->mcr &= ~UART_MCR_RTS; - if (I_IXOFF(tty)) - ctc_tty_inject(info, STOP_CHAR(tty)); - ctc_tty_transmit_status(info); -} - -static void -ctc_tty_unthrottle(struct tty_struct *tty) -{ - ctc_tty_info *info = (ctc_tty_info *) tty->driver_data; - - DBF_TEXT(trace, 4, __FUNCTION__); - if (ctc_tty_paranoia_check(info, tty->name, "ctc_tty_unthrottle")) - return; - info->mcr |= UART_MCR_RTS; - if (I_IXOFF(tty)) - ctc_tty_inject(info, START_CHAR(tty)); - ctc_tty_transmit_status(info); -} - -/* - * ------------------------------------------------------------ - * ctc_tty_ioctl() and friends - * ------------------------------------------------------------ - */ - -/* - * ctc_tty_get_lsr_info - get line status register info - * - * Purpose: Let user call ioctl() to get info when the UART physically - * is emptied. On bus types like RS485, the transmitter must - * release the bus after transmitting. This must be done when - * the transmit shift register is empty, not be done when the - * transmit holding register is empty. This functionality - * allows RS485 driver to be written in user space. - */ -static int -ctc_tty_get_lsr_info(ctc_tty_info * info, uint __user *value) -{ - u_char status; - uint result; - ulong flags; - - DBF_TEXT(trace, 4, __FUNCTION__); - spin_lock_irqsave(&ctc_tty_lock, flags); - status = info->lsr; - spin_unlock_irqrestore(&ctc_tty_lock, flags); - result = ((status & UART_LSR_TEMT) ? TIOCSER_TEMT : 0); - put_user(result, value); - return 0; -} - - -static int ctc_tty_tiocmget(struct tty_struct *tty, struct file *file) -{ - ctc_tty_info *info = (ctc_tty_info *) tty->driver_data; - u_char control, - status; - uint result; - ulong flags; - - DBF_TEXT(trace, 4, __FUNCTION__); - if (ctc_tty_paranoia_check(info, tty->name, "ctc_tty_ioctl")) - return -ENODEV; - if (tty->flags & (1 << TTY_IO_ERROR)) - return -EIO; - - control = info->mcr; - spin_lock_irqsave(&ctc_tty_lock, flags); - status = info->msr; - spin_unlock_irqrestore(&ctc_tty_lock, flags); - result = ((control & UART_MCR_RTS) ? TIOCM_RTS : 0) - | ((control & UART_MCR_DTR) ? TIOCM_DTR : 0) - | ((status & UART_MSR_DCD) ? TIOCM_CAR : 0) - | ((status & UART_MSR_RI) ? TIOCM_RNG : 0) - | ((status & UART_MSR_DSR) ? TIOCM_DSR : 0) - | ((status & UART_MSR_CTS) ? TIOCM_CTS : 0); - return result; -} - -static int -ctc_tty_tiocmset(struct tty_struct *tty, struct file *file, - unsigned int set, unsigned int clear) -{ - ctc_tty_info *info = (ctc_tty_info *) tty->driver_data; - - DBF_TEXT(trace, 4, __FUNCTION__); - if (ctc_tty_paranoia_check(info, tty->name, "ctc_tty_ioctl")) - return -ENODEV; - if (tty->flags & (1 << TTY_IO_ERROR)) - return -EIO; - - if (set & TIOCM_RTS) - info->mcr |= UART_MCR_RTS; - if (set & TIOCM_DTR) - info->mcr |= UART_MCR_DTR; - - if (clear & TIOCM_RTS) - info->mcr &= ~UART_MCR_RTS; - if (clear & TIOCM_DTR) - info->mcr &= ~UART_MCR_DTR; - - if ((set | clear) & (TIOCM_RTS|TIOCM_DTR)) - ctc_tty_transmit_status(info); - return 0; -} - -static int -ctc_tty_ioctl(struct tty_struct *tty, struct file *file, - uint cmd, ulong arg) -{ - ctc_tty_info *info = (ctc_tty_info *) tty->driver_data; - int error; - int retval; - - DBF_TEXT(trace, 4, __FUNCTION__); - if (ctc_tty_paranoia_check(info, tty->name, "ctc_tty_ioctl")) - return -ENODEV; - if (tty->flags & (1 << TTY_IO_ERROR)) - return -EIO; - switch (cmd) { - case TCSBRK: /* SVID version: non-zero arg --> no break */ -#ifdef CTC_DEBUG_MODEM_IOCTL - printk(KERN_DEBUG "%s%d ioctl TCSBRK\n", CTC_TTY_NAME, info->line); -#endif - retval = tty_check_change(tty); - if (retval) - return retval; - tty_wait_until_sent(tty, 0); - return 0; - case TCSBRKP: /* support for POSIX tcsendbreak() */ -#ifdef CTC_DEBUG_MODEM_IOCTL - printk(KERN_DEBUG "%s%d ioctl TCSBRKP\n", CTC_TTY_NAME, info->line); -#endif - retval = tty_check_change(tty); - if (retval) - return retval; - tty_wait_until_sent(tty, 0); - return 0; - case TIOCGSOFTCAR: -#ifdef CTC_DEBUG_MODEM_IOCTL - printk(KERN_DEBUG "%s%d ioctl TIOCGSOFTCAR\n", CTC_TTY_NAME, - info->line); -#endif - error = put_user(C_CLOCAL(tty) ? 1 : 0, (ulong __user *) arg); - return error; - case TIOCSSOFTCAR: -#ifdef CTC_DEBUG_MODEM_IOCTL - printk(KERN_DEBUG "%s%d ioctl TIOCSSOFTCAR\n", CTC_TTY_NAME, - info->line); -#endif - error = get_user(arg, (ulong __user *) arg); - if (error) - return error; - tty->termios->c_cflag = - ((tty->termios->c_cflag & ~CLOCAL) | - (arg ? CLOCAL : 0)); - return 0; - case TIOCSERGETLSR: /* Get line status register */ -#ifdef CTC_DEBUG_MODEM_IOCTL - printk(KERN_DEBUG "%s%d ioctl TIOCSERGETLSR\n", CTC_TTY_NAME, - info->line); -#endif - if (access_ok(VERIFY_WRITE, (void __user *) arg, sizeof(uint))) - return ctc_tty_get_lsr_info(info, (uint __user *) arg); - else - return -EFAULT; - default: -#ifdef CTC_DEBUG_MODEM_IOCTL - printk(KERN_DEBUG "UNKNOWN ioctl 0x%08x on %s%d\n", cmd, - CTC_TTY_NAME, info->line); -#endif - return -ENOIOCTLCMD; - } - return 0; -} - -static void -ctc_tty_set_termios(struct tty_struct *tty, struct termios *old_termios) -{ - ctc_tty_info *info = (ctc_tty_info *) tty->driver_data; - unsigned int cflag = tty->termios->c_cflag; - - DBF_TEXT(trace, 4, __FUNCTION__); - ctc_tty_change_speed(info); - - /* Handle transition to B0 */ - if ((old_termios->c_cflag & CBAUD) && !(cflag & CBAUD)) { - info->mcr &= ~(UART_MCR_DTR|UART_MCR_RTS); - ctc_tty_transmit_status(info); - } - - /* Handle transition from B0 to other */ - if (!(old_termios->c_cflag & CBAUD) && (cflag & CBAUD)) { - info->mcr |= UART_MCR_DTR; - if (!(tty->termios->c_cflag & CRTSCTS) || - !test_bit(TTY_THROTTLED, &tty->flags)) { - info->mcr |= UART_MCR_RTS; - } - ctc_tty_transmit_status(info); - } - - /* Handle turning off CRTSCTS */ - if ((old_termios->c_cflag & CRTSCTS) && - !(tty->termios->c_cflag & CRTSCTS)) - tty->hw_stopped = 0; -} - -/* - * ------------------------------------------------------------ - * ctc_tty_open() and friends - * ------------------------------------------------------------ - */ -static int -ctc_tty_block_til_ready(struct tty_struct *tty, struct file *filp, ctc_tty_info *info) -{ - DECLARE_WAITQUEUE(wait, NULL); - int do_clocal = 0; - unsigned long flags; - int retval; - - DBF_TEXT(trace, 4, __FUNCTION__); - /* - * If the device is in the middle of being closed, then block - * until it's done, and then try again. - */ - if (tty_hung_up_p(filp) || - (info->flags & CTC_ASYNC_CLOSING)) { - if (info->flags & CTC_ASYNC_CLOSING) - wait_event(info->close_wait, - !(info->flags & CTC_ASYNC_CLOSING)); -#ifdef MODEM_DO_RESTART - if (info->flags & CTC_ASYNC_HUP_NOTIFY) - return -EAGAIN; - else - return -ERESTARTSYS; -#else - return -EAGAIN; -#endif - } - /* - * If non-blocking mode is set, then make the check up front - * and then exit. - */ - if ((filp->f_flags & O_NONBLOCK) || - (tty->flags & (1 << TTY_IO_ERROR))) { - info->flags |= CTC_ASYNC_NORMAL_ACTIVE; - return 0; - } - if (tty->termios->c_cflag & CLOCAL) - do_clocal = 1; - /* - * Block waiting for the carrier detect and the line to become - * free (i.e., not in use by the callout). While we are in - * this loop, info->count is dropped by one, so that - * ctc_tty_close() knows when to free things. We restore it upon - * exit, either normal or abnormal. - */ - retval = 0; - add_wait_queue(&info->open_wait, &wait); -#ifdef CTC_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "ctc_tty_block_til_ready before block: %s%d, count = %d\n", - CTC_TTY_NAME, info->line, info->count); -#endif - spin_lock_irqsave(&ctc_tty_lock, flags); - if (!(tty_hung_up_p(filp))) - info->count--; - spin_unlock_irqrestore(&ctc_tty_lock, flags); - info->blocked_open++; - while (1) { - set_current_state(TASK_INTERRUPTIBLE); - if (tty_hung_up_p(filp) || - !(info->flags & CTC_ASYNC_INITIALIZED)) { -#ifdef MODEM_DO_RESTART - if (info->flags & CTC_ASYNC_HUP_NOTIFY) - retval = -EAGAIN; - else - retval = -ERESTARTSYS; -#else - retval = -EAGAIN; -#endif - break; - } - if (!(info->flags & CTC_ASYNC_CLOSING) && - (do_clocal || (info->msr & UART_MSR_DCD))) { - break; - } - if (signal_pending(current)) { - retval = -ERESTARTSYS; - break; - } -#ifdef CTC_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "ctc_tty_block_til_ready blocking: %s%d, count = %d\n", - CTC_TTY_NAME, info->line, info->count); -#endif - schedule(); - } - current->state = TASK_RUNNING; - remove_wait_queue(&info->open_wait, &wait); - if (!tty_hung_up_p(filp)) - info->count++; - info->blocked_open--; -#ifdef CTC_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "ctc_tty_block_til_ready after blocking: %s%d, count = %d\n", - CTC_TTY_NAME, info->line, info->count); -#endif - if (retval) - return retval; - info->flags |= CTC_ASYNC_NORMAL_ACTIVE; - return 0; -} - -/* - * This routine is called whenever a serial port is opened. It - * enables interrupts for a serial port, linking in its async structure into - * the IRQ chain. It also performs the serial-specific - * initialization for the tty structure. - */ -static int -ctc_tty_open(struct tty_struct *tty, struct file *filp) -{ - ctc_tty_info *info; - unsigned long saveflags; - int retval, - line; - - DBF_TEXT(trace, 3, __FUNCTION__); - line = tty->index; - if (line < 0 || line > CTC_TTY_MAX_DEVICES) - return -ENODEV; - info = &driver->info[line]; - if (ctc_tty_paranoia_check(info, tty->name, "ctc_tty_open")) - return -ENODEV; - if (!info->netdev) - return -ENODEV; -#ifdef CTC_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "ctc_tty_open %s, count = %d\n", tty->name, - info->count); -#endif - spin_lock_irqsave(&ctc_tty_lock, saveflags); - info->count++; - tty->driver_data = info; - info->tty = tty; - spin_unlock_irqrestore(&ctc_tty_lock, saveflags); - /* - * Start up serial port - */ - retval = ctc_tty_startup(info); - if (retval) { -#ifdef CTC_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "ctc_tty_open return after startup\n"); -#endif - return retval; - } - retval = ctc_tty_block_til_ready(tty, filp, info); - if (retval) { -#ifdef CTC_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "ctc_tty_open return after ctc_tty_block_til_ready \n"); -#endif - return retval; - } -#ifdef CTC_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "ctc_tty_open %s successful...\n", tty->name); -#endif - return 0; -} - -static void -ctc_tty_close(struct tty_struct *tty, struct file *filp) -{ - ctc_tty_info *info = (ctc_tty_info *) tty->driver_data; - ulong flags; - ulong timeout; - DBF_TEXT(trace, 3, __FUNCTION__); - if (!info || ctc_tty_paranoia_check(info, tty->name, "ctc_tty_close")) - return; - spin_lock_irqsave(&ctc_tty_lock, flags); - if (tty_hung_up_p(filp)) { - spin_unlock_irqrestore(&ctc_tty_lock, flags); -#ifdef CTC_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "ctc_tty_close return after tty_hung_up_p\n"); -#endif - return; - } - if ((tty->count == 1) && (info->count != 1)) { - /* - * Uh, oh. tty->count is 1, which means that the tty - * structure will be freed. Info->count should always - * be one in these conditions. If it's greater than - * one, we've got real problems, since it means the - * serial port won't be shutdown. - */ - printk(KERN_ERR "ctc_tty_close: bad port count; tty->count is 1, " - "info->count is %d\n", info->count); - info->count = 1; - } - if (--info->count < 0) { - printk(KERN_ERR "ctc_tty_close: bad port count for %s%d: %d\n", - CTC_TTY_NAME, info->line, info->count); - info->count = 0; - } - if (info->count) { - local_irq_restore(flags); -#ifdef CTC_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "ctc_tty_close after info->count != 0\n"); -#endif - return; - } - info->flags |= CTC_ASYNC_CLOSING; - tty->closing = 1; - /* - * At this point we stop accepting input. To do this, we - * disable the receive line status interrupts, and tell the - * interrupt driver to stop checking the data ready bit in the - * line status register. - */ - if (info->flags & CTC_ASYNC_INITIALIZED) { - tty_wait_until_sent(tty, 30*HZ); /* 30 seconds timeout */ - /* - * Before we drop DTR, make sure the UART transmitter - * has completely drained; this is especially - * important if there is a transmit FIFO! - */ - timeout = jiffies + HZ; - while (!(info->lsr & UART_LSR_TEMT)) { - spin_unlock_irqrestore(&ctc_tty_lock, flags); - msleep(500); - spin_lock_irqsave(&ctc_tty_lock, flags); - if (time_after(jiffies,timeout)) - break; - } - } - ctc_tty_shutdown(info); - if (tty->driver->flush_buffer) { - skb_queue_purge(&info->tx_queue); - info->lsr |= UART_LSR_TEMT; - } - tty_ldisc_flush(tty); - info->tty = 0; - tty->closing = 0; - if (info->blocked_open) { - msleep_interruptible(500); - wake_up_interruptible(&info->open_wait); - } - info->flags &= ~(CTC_ASYNC_NORMAL_ACTIVE | CTC_ASYNC_CLOSING); - wake_up_interruptible(&info->close_wait); - spin_unlock_irqrestore(&ctc_tty_lock, flags); -#ifdef CTC_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "ctc_tty_close normal exit\n"); -#endif -} - -/* - * ctc_tty_hangup() --- called by tty_hangup() when a hangup is signaled. - */ -static void -ctc_tty_hangup(struct tty_struct *tty) -{ - ctc_tty_info *info = (ctc_tty_info *)tty->driver_data; - unsigned long saveflags; - DBF_TEXT(trace, 3, __FUNCTION__); - if (ctc_tty_paranoia_check(info, tty->name, "ctc_tty_hangup")) - return; - ctc_tty_shutdown(info); - info->count = 0; - info->flags &= ~CTC_ASYNC_NORMAL_ACTIVE; - spin_lock_irqsave(&ctc_tty_lock, saveflags); - info->tty = 0; - spin_unlock_irqrestore(&ctc_tty_lock, saveflags); - wake_up_interruptible(&info->open_wait); -} - - -/* - * For all online tty's, try sending data to - * the lower levels. - */ -static void -ctc_tty_task(unsigned long arg) -{ - ctc_tty_info *info = (void *)arg; - unsigned long saveflags; - int again; - - DBF_TEXT(trace, 3, __FUNCTION__); - spin_lock_irqsave(&ctc_tty_lock, saveflags); - if ((!ctc_tty_shuttingdown) && info) { - again = ctc_tty_tint(info); - if (!again) - info->lsr |= UART_LSR_TEMT; - again |= ctc_tty_readmodem(info); - if (again) { - tasklet_schedule(&info->tasklet); - } - } - spin_unlock_irqrestore(&ctc_tty_lock, saveflags); -} - -static struct tty_operations ctc_ops = { - .open = ctc_tty_open, - .close = ctc_tty_close, - .write = ctc_tty_write, - .flush_chars = ctc_tty_flush_chars, - .write_room = ctc_tty_write_room, - .chars_in_buffer = ctc_tty_chars_in_buffer, - .flush_buffer = ctc_tty_flush_buffer, - .ioctl = ctc_tty_ioctl, - .throttle = ctc_tty_throttle, - .unthrottle = ctc_tty_unthrottle, - .set_termios = ctc_tty_set_termios, - .hangup = ctc_tty_hangup, - .tiocmget = ctc_tty_tiocmget, - .tiocmset = ctc_tty_tiocmset, -}; - -int -ctc_tty_init(void) -{ - int i; - ctc_tty_info *info; - struct tty_driver *device; - - DBF_TEXT(trace, 2, __FUNCTION__); - driver = kmalloc(sizeof(ctc_tty_driver), GFP_KERNEL); - if (driver == NULL) { - printk(KERN_WARNING "Out of memory in ctc_tty_modem_init\n"); - return -ENOMEM; - } - memset(driver, 0, sizeof(ctc_tty_driver)); - device = alloc_tty_driver(CTC_TTY_MAX_DEVICES); - if (!device) { - kfree(driver); - printk(KERN_WARNING "Out of memory in ctc_tty_modem_init\n"); - return -ENOMEM; - } - - device->devfs_name = "ctc/" CTC_TTY_NAME; - device->name = CTC_TTY_NAME; - device->major = CTC_TTY_MAJOR; - device->minor_start = 0; - device->type = TTY_DRIVER_TYPE_SERIAL; - device->subtype = SERIAL_TYPE_NORMAL; - device->init_termios = tty_std_termios; - device->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; - device->flags = TTY_DRIVER_REAL_RAW; - device->driver_name = "ctc_tty", - tty_set_operations(device, &ctc_ops); - if (tty_register_driver(device)) { - printk(KERN_WARNING "ctc_tty: Couldn't register serial-device\n"); - put_tty_driver(device); - kfree(driver); - return -1; - } - driver->ctc_tty_device = device; - for (i = 0; i < CTC_TTY_MAX_DEVICES; i++) { - info = &driver->info[i]; - init_MUTEX(&info->write_sem); - tasklet_init(&info->tasklet, ctc_tty_task, - (unsigned long) info); - info->magic = CTC_ASYNC_MAGIC; - info->line = i; - info->tty = 0; - info->count = 0; - info->blocked_open = 0; - init_waitqueue_head(&info->open_wait); - init_waitqueue_head(&info->close_wait); - skb_queue_head_init(&info->tx_queue); - skb_queue_head_init(&info->rx_queue); - init_timer(&info->stoptimer); - info->stoptimer.function = ctc_tty_stopdev; - info->stoptimer.data = (unsigned long)info; - info->mcr = UART_MCR_RTS; - } - return 0; -} - -int -ctc_tty_register_netdev(struct net_device *dev) { - int ttynum; - char *err; - char *p; - - DBF_TEXT(trace, 2, __FUNCTION__); - if ((!dev) || (!dev->name)) { - printk(KERN_WARNING - "ctc_tty_register_netdev called " - "with NULL dev or NULL dev-name\n"); - return -1; - } - - /* - * If the name is a format string the caller wants us to - * do a name allocation : format string must end with %d - */ - if (strchr(dev->name, '%')) - { - int err = dev_alloc_name(dev, dev->name); // dev->name is changed by this - if (err < 0) { - printk(KERN_DEBUG "dev_alloc returned error %d\n", err); - return err; - } - - } - - for (p = dev->name; p && ((*p < '0') || (*p > '9')); p++); - ttynum = simple_strtoul(p, &err, 0); - if ((ttynum < 0) || (ttynum >= CTC_TTY_MAX_DEVICES) || - (err && *err)) { - printk(KERN_WARNING - "ctc_tty_register_netdev called " - "with number in name '%s'\n", dev->name); - return -1; - } - if (driver->info[ttynum].netdev) { - printk(KERN_WARNING - "ctc_tty_register_netdev called " - "for already registered device '%s'\n", - dev->name); - return -1; - } - driver->info[ttynum].netdev = dev; - return 0; -} - -void -ctc_tty_unregister_netdev(struct net_device *dev) { - int i; - unsigned long saveflags; - ctc_tty_info *info = NULL; - - DBF_TEXT(trace, 2, __FUNCTION__); - spin_lock_irqsave(&ctc_tty_lock, saveflags); - for (i = 0; i < CTC_TTY_MAX_DEVICES; i++) - if (driver->info[i].netdev == dev) { - info = &driver->info[i]; - break; - } - if (info) { - info->netdev = NULL; - skb_queue_purge(&info->tx_queue); - skb_queue_purge(&info->rx_queue); - } - spin_unlock_irqrestore(&ctc_tty_lock, saveflags); -} - -void -ctc_tty_cleanup(void) { - unsigned long saveflags; - - DBF_TEXT(trace, 2, __FUNCTION__); - spin_lock_irqsave(&ctc_tty_lock, saveflags); - ctc_tty_shuttingdown = 1; - spin_unlock_irqrestore(&ctc_tty_lock, saveflags); - tty_unregister_driver(driver->ctc_tty_device); - put_tty_driver(driver->ctc_tty_device); - kfree(driver); - driver = NULL; -} diff --git a/drivers/s390/net/ctctty.h b/drivers/s390/net/ctctty.h deleted file mode 100644 index 7254dc006311..000000000000 --- a/drivers/s390/net/ctctty.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * CTC / ESCON network driver, tty interface. - * - * Copyright (C) 2001 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Fritz Elfert (elfert@de.ibm.com, felfert@millenux.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef _CTCTTY_H_ -#define _CTCTTY_H_ - -#include <linux/skbuff.h> -#include <linux/netdevice.h> - -extern int ctc_tty_register_netdev(struct net_device *); -extern void ctc_tty_unregister_netdev(struct net_device *); -extern void ctc_tty_netif_rx(struct sk_buff *); -extern int ctc_tty_init(void); -extern void ctc_tty_cleanup(void); -extern void ctc_tty_setcarrier(struct net_device *, int); - -#endif diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index b046ffa22101..de9ba7890b5a 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -4297,6 +4297,7 @@ static int ata_start_drive(struct ata_port *ap, struct ata_device *dev) int ata_device_resume(struct ata_port *ap, struct ata_device *dev) { if (ap->flags & ATA_FLAG_SUSPENDED) { + ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT); ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 200000); ap->flags &= ~ATA_FLAG_SUSPENDED; ata_set_mode(ap); diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c index 9b8bca1ac1f0..f16f92a6ec0f 100644 --- a/drivers/scsi/sata_mv.c +++ b/drivers/scsi/sata_mv.c @@ -2035,6 +2035,7 @@ static void mv_phy_reset(struct ata_port *ap) static void mv_eng_timeout(struct ata_port *ap) { struct ata_queued_cmd *qc; + unsigned long flags; printk(KERN_ERR "ata%u: Entering mv_eng_timeout\n",ap->id); DPRINTK("All regs @ start of eng_timeout\n"); @@ -2046,8 +2047,10 @@ static void mv_eng_timeout(struct ata_port *ap) ap->host_set->mmio_base, ap, qc, qc->scsicmd, &qc->scsicmd->cmnd); + spin_lock_irqsave(&ap->host_set->lock, flags); mv_err_intr(ap, 0); mv_stop_and_reset(ap); + spin_unlock_irqrestore(&ap->host_set->lock, flags); WARN_ON(!(qc->flags & ATA_QCFLAG_ACTIVE)); if (qc->flags & ATA_QCFLAG_ACTIVE) { diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index acde8868da21..fafe7c1265b3 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -185,6 +185,9 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device /* Select Power Management Mode */ pxa27x_ohci_select_pmm(inf->port_mode); + if (inf->power_budget) + hcd->power_budget = inf->power_budget; + ohci_hcd_init(hcd_to_ohci(hcd)); retval = usb_add_hcd(hcd, pdev->resource[1].start, SA_INTERRUPT); diff --git a/drivers/usb/net/Kconfig b/drivers/usb/net/Kconfig index efd6ca7e4ac5..054059632a21 100644 --- a/drivers/usb/net/Kconfig +++ b/drivers/usb/net/Kconfig @@ -301,21 +301,4 @@ config USB_NET_ZAURUS some cases CDC MDLM) protocol, not "g_ether". -config USB_ZD1201 - tristate "USB ZD1201 based Wireless device support" - depends on NET_RADIO - select FW_LOADER - ---help--- - Say Y if you want to use wireless LAN adapters based on the ZyDAS - ZD1201 chip. - - This driver makes the adapter appear as a normal Ethernet interface, - typically on wlan0. - - The zd1201 device requires external firmware to be loaded. - This can be found at http://linux-lc100020.sourceforge.net/ - - To compile this driver as a module, choose M here: the - module will be called zd1201. - endmenu diff --git a/drivers/usb/net/Makefile b/drivers/usb/net/Makefile index a21e6eaabaf6..160f19dbdf12 100644 --- a/drivers/usb/net/Makefile +++ b/drivers/usb/net/Makefile @@ -15,7 +15,6 @@ obj-$(CONFIG_USB_NET_RNDIS_HOST) += rndis_host.o obj-$(CONFIG_USB_NET_CDC_SUBSET) += cdc_subset.o obj-$(CONFIG_USB_NET_ZAURUS) += zaurus.o obj-$(CONFIG_USB_USBNET) += usbnet.o -obj-$(CONFIG_USB_ZD1201) += zd1201.o ifeq ($(CONFIG_USB_DEBUG),y) EXTRA_CFLAGS += -DDEBUG diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 4587087d777a..5641498725d0 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -743,7 +743,7 @@ config FB_I810_I2C config FB_INTEL tristate "Intel 830M/845G/852GM/855GM/865G support (EXPERIMENTAL)" - depends on FB && EXPERIMENTAL && PCI && X86_32 + depends on FB && EXPERIMENTAL && PCI && X86 select AGP select AGP_INTEL select FB_MODE_HELPERS diff --git a/drivers/video/intelfb/intelfb.h b/drivers/video/intelfb/intelfb.h index da29d007f215..469b06c29180 100644 --- a/drivers/video/intelfb/intelfb.h +++ b/drivers/video/intelfb/intelfb.h @@ -8,9 +8,9 @@ /*** Version/name ***/ -#define INTELFB_VERSION "0.9.2" +#define INTELFB_VERSION "0.9.4" #define INTELFB_MODULE_NAME "intelfb" -#define SUPPORTED_CHIPSETS "830M/845G/852GM/855GM/865G/915G/915GM" +#define SUPPORTED_CHIPSETS "830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM" /*** Debug/feature defines ***/ @@ -52,11 +52,14 @@ #define PCI_DEVICE_ID_INTEL_865G 0x2572 #define PCI_DEVICE_ID_INTEL_915G 0x2582 #define PCI_DEVICE_ID_INTEL_915GM 0x2592 +#define PCI_DEVICE_ID_INTEL_945G 0x2772 +#define PCI_DEVICE_ID_INTEL_945GM 0x27A2 /* Size of MMIO region */ #define INTEL_REG_SIZE 0x80000 #define STRIDE_ALIGNMENT 16 +#define STRIDE_ALIGNMENT_I9XX 64 #define PALETTE_8_ENTRIES 256 @@ -125,7 +128,9 @@ enum intel_chips { INTEL_855GME, INTEL_865G, INTEL_915G, - INTEL_915GM + INTEL_915GM, + INTEL_945G, + INTEL_945GM, }; struct intelfb_hwstate { @@ -277,8 +282,13 @@ struct intelfb_info { /* driver registered */ int registered; + + /* index into plls */ + int pll_index; }; +#define IS_I9XX(dinfo) (((dinfo)->chipset == INTEL_915G)||(dinfo->chipset == INTEL_915GM)||((dinfo)->chipset == INTEL_945G)||(dinfo->chipset==INTEL_945GM)) + /*** function prototypes ***/ extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var); diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c index 995b47c165a7..076fa56be192 100644 --- a/drivers/video/intelfb/intelfbdrv.c +++ b/drivers/video/intelfb/intelfbdrv.c @@ -1,11 +1,12 @@ /* * intelfb * - * Linux framebuffer driver for Intel(R) 830M/845G/852GM/855GM/865G/915G/915GM - * integrated graphics chips. + * Linux framebuffer driver for Intel(R) 830M/845G/852GM/855GM/865G/915G/915GM/ + * 945G/945GM integrated graphics chips. * * Copyright © 2002, 2003 David Dawes <dawes@xfree86.org> * 2004 Sylvain Meyer + * 2006 David Airlie * * This driver consists of two parts. The first part (intelfbdrv.c) provides * the basic fbdev interfaces, is derived in part from the radeonfb and @@ -131,6 +132,7 @@ #include "intelfb.h" #include "intelfbhw.h" +#include "../edid.h" static void __devinit get_initial_mode(struct intelfb_info *dinfo); static void update_dinfo(struct intelfb_info *dinfo, @@ -182,6 +184,8 @@ static struct pci_device_id intelfb_pci_table[] __devinitdata = { { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_865G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_865G }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_915G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_915G }, { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_915GM, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_915GM }, + { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_945G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_945G }, + { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_945GM, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_945GM }, { 0, } }; @@ -261,7 +265,7 @@ MODULE_PARM_DESC(mode, #ifndef MODULE #define OPT_EQUAL(opt, name) (!strncmp(opt, name, strlen(name))) -#define OPT_INTVAL(opt, name) simple_strtoul(opt + strlen(name), NULL, 0) +#define OPT_INTVAL(opt, name) simple_strtoul(opt + strlen(name) + 1, NULL, 0) #define OPT_STRVAL(opt, name) (opt + strlen(name)) static __inline__ char * @@ -546,11 +550,11 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) /* Set base addresses. */ if ((ent->device == PCI_DEVICE_ID_INTEL_915G) || - (ent->device == PCI_DEVICE_ID_INTEL_915GM)) { + (ent->device == PCI_DEVICE_ID_INTEL_915GM) || + (ent->device == PCI_DEVICE_ID_INTEL_945G) || + (ent->device == PCI_DEVICE_ID_INTEL_945GM)) { aperture_bar = 2; mmio_bar = 0; - /* Disable HW cursor on 915G/M (not implemented yet) */ - hwcursor = 0; } dinfo->aperture.physical = pci_resource_start(pdev, aperture_bar); dinfo->aperture.size = pci_resource_len(pdev, aperture_bar); @@ -584,8 +588,7 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) /* Get the chipset info. */ dinfo->pci_chipset = pdev->device; - if (intelfbhw_get_chipset(pdev, &dinfo->name, &dinfo->chipset, - &dinfo->mobile)) { + if (intelfbhw_get_chipset(pdev, dinfo)) { cleanup(dinfo); return -ENODEV; } @@ -1029,17 +1032,44 @@ intelfb_init_var(struct intelfb_info *dinfo) sizeof(struct fb_var_screeninfo)); msrc = 5; } else { + const u8 *edid_s = fb_firmware_edid(&dinfo->pdev->dev); + u8 *edid_d = NULL; + + if (edid_s) { + edid_d = kmalloc(EDID_LENGTH, GFP_KERNEL); + + if (edid_d) { + memcpy(edid_d, edid_s, EDID_LENGTH); + fb_edid_to_monspecs(edid_d, + &dinfo->info->monspecs); + kfree(edid_d); + } + } + if (mode) { + printk("intelfb: Looking for mode in private " + "database\n"); msrc = fb_find_mode(var, dinfo->info, mode, - vesa_modes, VESA_MODEDB_SIZE, + dinfo->info->monspecs.modedb, + dinfo->info->monspecs.modedb_len, NULL, 0); - if (msrc) - msrc |= 8; + + if (msrc && msrc > 1) { + printk("intelfb: No mode in private database, " + "intelfb: looking for mode in global " + "database "); + msrc = fb_find_mode(var, dinfo->info, mode, + NULL, 0, NULL, 0); + + if (msrc) + msrc |= 8; + } + } + if (!msrc) { msrc = fb_find_mode(var, dinfo->info, PREFERRED_MODE, - vesa_modes, VESA_MODEDB_SIZE, - NULL, 0); + NULL, 0, NULL, 0); } } @@ -1139,7 +1169,10 @@ update_dinfo(struct intelfb_info *dinfo, struct fb_var_screeninfo *var) } /* Make sure the line length is a aligned correctly. */ - dinfo->pitch = ROUND_UP_TO(dinfo->pitch, STRIDE_ALIGNMENT); + if (IS_I9XX(dinfo)) + dinfo->pitch = ROUND_UP_TO(dinfo->pitch, STRIDE_ALIGNMENT_I9XX); + else + dinfo->pitch = ROUND_UP_TO(dinfo->pitch, STRIDE_ALIGNMENT); if (FIXED_MODE(dinfo)) dinfo->pitch = dinfo->initial_pitch; @@ -1162,16 +1195,33 @@ intelfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) struct fb_var_screeninfo v; struct intelfb_info *dinfo; static int first = 1; + int i; + /* Good pitches to allow tiling. Don't care about pitches < 1024. */ + static const int pitches[] = { + 128 * 8, + 128 * 16, + 128 * 32, + 128 * 64, + 0 + }; DBG_MSG("intelfb_check_var: accel_flags is %d\n", var->accel_flags); dinfo = GET_DINFO(info); + /* update the pitch */ if (intelfbhw_validate_mode(dinfo, var) != 0) return -EINVAL; v = *var; + for (i = 0; pitches[i] != 0; i++) { + if (pitches[i] >= v.xres_virtual) { + v.xres_virtual = pitches[i]; + break; + } + } + /* Check for a supported bpp. */ if (v.bits_per_pixel <= 8) { v.bits_per_pixel = 8; @@ -1467,7 +1517,7 @@ static int intelfb_cursor(struct fb_info *info, struct fb_cursor *cursor) { struct intelfb_info *dinfo = GET_DINFO(info); - + u32 physical; #if VERBOSE > 0 DBG_MSG("intelfb_cursor\n"); #endif @@ -1478,7 +1528,10 @@ intelfb_cursor(struct fb_info *info, struct fb_cursor *cursor) intelfbhw_cursor_hide(dinfo); /* If XFree killed the cursor - restore it */ - if (INREG(CURSOR_A_BASEADDR) != dinfo->cursor.offset << 12) { + physical = (dinfo->mobile || IS_I9XX(dinfo)) ? dinfo->cursor.physical : + (dinfo->cursor.offset << 12); + + if (INREG(CURSOR_A_BASEADDR) != physical) { u32 fg, bg; DBG_MSG("the cursor was killed - restore it !!\n"); diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c index 624c4bc96f0d..426b7430b125 100644 --- a/drivers/video/intelfb/intelfbhw.c +++ b/drivers/video/intelfb/intelfbhw.c @@ -40,68 +40,110 @@ #include "intelfb.h" #include "intelfbhw.h" +struct pll_min_max { + int min_m, max_m, min_m1, max_m1; + int min_m2, max_m2, min_n, max_n; + int min_p, max_p, min_p1, max_p1; + int min_vco, max_vco, p_transition_clk, ref_clk; + int p_inc_lo, p_inc_hi; +}; + +#define PLLS_I8xx 0 +#define PLLS_I9xx 1 +#define PLLS_MAX 2 + +static struct pll_min_max plls[PLLS_MAX] = { + { 108, 140, 18, 26, + 6, 16, 3, 16, + 4, 128, 0, 31, + 930000, 1400000, 165000, 48000, + 4, 2 }, //I8xx + + { 75, 120, 10, 20, + 5, 9, 4, 7, + 5, 80, 1, 8, + 1400000, 2800000, 200000, 96000, + 10, 5 } //I9xx +}; + int -intelfbhw_get_chipset(struct pci_dev *pdev, const char **name, int *chipset, - int *mobile) +intelfbhw_get_chipset(struct pci_dev *pdev, struct intelfb_info *dinfo) { u32 tmp; - - if (!pdev || !name || !chipset || !mobile) + if (!pdev || !dinfo) return 1; switch (pdev->device) { case PCI_DEVICE_ID_INTEL_830M: - *name = "Intel(R) 830M"; - *chipset = INTEL_830M; - *mobile = 1; + dinfo->name = "Intel(R) 830M"; + dinfo->chipset = INTEL_830M; + dinfo->mobile = 1; + dinfo->pll_index = PLLS_I8xx; return 0; case PCI_DEVICE_ID_INTEL_845G: - *name = "Intel(R) 845G"; - *chipset = INTEL_845G; - *mobile = 0; + dinfo->name = "Intel(R) 845G"; + dinfo->chipset = INTEL_845G; + dinfo->mobile = 0; + dinfo->pll_index = PLLS_I8xx; return 0; case PCI_DEVICE_ID_INTEL_85XGM: tmp = 0; - *mobile = 1; + dinfo->mobile = 1; + dinfo->pll_index = PLLS_I8xx; pci_read_config_dword(pdev, INTEL_85X_CAPID, &tmp); switch ((tmp >> INTEL_85X_VARIANT_SHIFT) & INTEL_85X_VARIANT_MASK) { case INTEL_VAR_855GME: - *name = "Intel(R) 855GME"; - *chipset = INTEL_855GME; + dinfo->name = "Intel(R) 855GME"; + dinfo->chipset = INTEL_855GME; return 0; case INTEL_VAR_855GM: - *name = "Intel(R) 855GM"; - *chipset = INTEL_855GM; + dinfo->name = "Intel(R) 855GM"; + dinfo->chipset = INTEL_855GM; return 0; case INTEL_VAR_852GME: - *name = "Intel(R) 852GME"; - *chipset = INTEL_852GME; + dinfo->name = "Intel(R) 852GME"; + dinfo->chipset = INTEL_852GME; return 0; case INTEL_VAR_852GM: - *name = "Intel(R) 852GM"; - *chipset = INTEL_852GM; + dinfo->name = "Intel(R) 852GM"; + dinfo->chipset = INTEL_852GM; return 0; default: - *name = "Intel(R) 852GM/855GM"; - *chipset = INTEL_85XGM; + dinfo->name = "Intel(R) 852GM/855GM"; + dinfo->chipset = INTEL_85XGM; return 0; } break; case PCI_DEVICE_ID_INTEL_865G: - *name = "Intel(R) 865G"; - *chipset = INTEL_865G; - *mobile = 0; + dinfo->name = "Intel(R) 865G"; + dinfo->chipset = INTEL_865G; + dinfo->mobile = 0; + dinfo->pll_index = PLLS_I8xx; return 0; case PCI_DEVICE_ID_INTEL_915G: - *name = "Intel(R) 915G"; - *chipset = INTEL_915G; - *mobile = 0; + dinfo->name = "Intel(R) 915G"; + dinfo->chipset = INTEL_915G; + dinfo->mobile = 0; + dinfo->pll_index = PLLS_I9xx; return 0; case PCI_DEVICE_ID_INTEL_915GM: - *name = "Intel(R) 915GM"; - *chipset = INTEL_915GM; - *mobile = 1; + dinfo->name = "Intel(R) 915GM"; + dinfo->chipset = INTEL_915GM; + dinfo->mobile = 1; + dinfo->pll_index = PLLS_I9xx; + return 0; + case PCI_DEVICE_ID_INTEL_945G: + dinfo->name = "Intel(R) 945G"; + dinfo->chipset = INTEL_945G; + dinfo->mobile = 0; + dinfo->pll_index = PLLS_I9xx; + return 0; + case PCI_DEVICE_ID_INTEL_945GM: + dinfo->name = "Intel(R) 945GM"; + dinfo->chipset = INTEL_945GM; + dinfo->mobile = 1; + dinfo->pll_index = PLLS_I9xx; return 0; default: return 1; @@ -114,6 +156,7 @@ intelfbhw_get_memory(struct pci_dev *pdev, int *aperture_size, { struct pci_dev *bridge_dev; u16 tmp; + int stolen_overhead; if (!pdev || !aperture_size || !stolen_size) return 1; @@ -128,21 +171,41 @@ intelfbhw_get_memory(struct pci_dev *pdev, int *aperture_size, tmp = 0; pci_read_config_word(bridge_dev, INTEL_GMCH_CTRL, &tmp); switch (pdev->device) { - case PCI_DEVICE_ID_INTEL_830M: - case PCI_DEVICE_ID_INTEL_845G: + case PCI_DEVICE_ID_INTEL_915G: + case PCI_DEVICE_ID_INTEL_915GM: + case PCI_DEVICE_ID_INTEL_945G: + case PCI_DEVICE_ID_INTEL_945GM: + /* 915 and 945 chipsets support a 256MB aperture. + Aperture size is determined by inspected the + base address of the aperture. */ + if (pci_resource_start(pdev, 2) & 0x08000000) + *aperture_size = MB(128); + else + *aperture_size = MB(256); + break; + default: if ((tmp & INTEL_GMCH_MEM_MASK) == INTEL_GMCH_MEM_64M) *aperture_size = MB(64); else *aperture_size = MB(128); + break; + } + + /* Stolen memory size is reduced by the GTT and the popup. + GTT is 1K per MB of aperture size, and popup is 4K. */ + stolen_overhead = (*aperture_size / MB(1)) + 4; + switch(pdev->device) { + case PCI_DEVICE_ID_INTEL_830M: + case PCI_DEVICE_ID_INTEL_845G: switch (tmp & INTEL_830_GMCH_GMS_MASK) { case INTEL_830_GMCH_GMS_STOLEN_512: - *stolen_size = KB(512) - KB(132); + *stolen_size = KB(512) - KB(stolen_overhead); return 0; case INTEL_830_GMCH_GMS_STOLEN_1024: - *stolen_size = MB(1) - KB(132); + *stolen_size = MB(1) - KB(stolen_overhead); return 0; case INTEL_830_GMCH_GMS_STOLEN_8192: - *stolen_size = MB(8) - KB(132); + *stolen_size = MB(8) - KB(stolen_overhead); return 0; case INTEL_830_GMCH_GMS_LOCAL: ERR_MSG("only local memory found\n"); @@ -157,28 +220,27 @@ intelfbhw_get_memory(struct pci_dev *pdev, int *aperture_size, } break; default: - *aperture_size = MB(128); switch (tmp & INTEL_855_GMCH_GMS_MASK) { case INTEL_855_GMCH_GMS_STOLEN_1M: - *stolen_size = MB(1) - KB(132); + *stolen_size = MB(1) - KB(stolen_overhead); return 0; case INTEL_855_GMCH_GMS_STOLEN_4M: - *stolen_size = MB(4) - KB(132); + *stolen_size = MB(4) - KB(stolen_overhead); return 0; case INTEL_855_GMCH_GMS_STOLEN_8M: - *stolen_size = MB(8) - KB(132); + *stolen_size = MB(8) - KB(stolen_overhead); return 0; case INTEL_855_GMCH_GMS_STOLEN_16M: - *stolen_size = MB(16) - KB(132); + *stolen_size = MB(16) - KB(stolen_overhead); return 0; case INTEL_855_GMCH_GMS_STOLEN_32M: - *stolen_size = MB(32) - KB(132); + *stolen_size = MB(32) - KB(stolen_overhead); return 0; case INTEL_915G_GMCH_GMS_STOLEN_48M: - *stolen_size = MB(48) - KB(132); + *stolen_size = MB(48) - KB(stolen_overhead); return 0; case INTEL_915G_GMCH_GMS_STOLEN_64M: - *stolen_size = MB(64) - KB(132); + *stolen_size = MB(64) - KB(stolen_overhead); return 0; case INTEL_855_GMCH_GMS_DISABLED: ERR_MSG("video memory is disabled\n"); @@ -529,12 +591,63 @@ intelfbhw_read_hw_state(struct intelfb_info *dinfo, struct intelfb_hwstate *hw, } +static int calc_vclock3(int index, int m, int n, int p) +{ + if (p == 0 || n == 0) + return 0; + return plls[index].ref_clk * m / n / p; +} + +static int calc_vclock(int index, int m1, int m2, int n, int p1, int p2, int lvds) +{ + struct pll_min_max *pll = &plls[index]; + u32 m, vco, p; + + m = (5 * (m1 + 2)) + (m2 + 2); + n += 2; + vco = pll->ref_clk * m / n; + + if (index == PLLS_I8xx) { + p = ((p1 + 2) * (1 << (p2 + 1))); + } else { + p = ((p1) * (p2 ? 5 : 10)); + } + return vco / p; +} + +static void +intelfbhw_get_p1p2(struct intelfb_info *dinfo, int dpll, int *o_p1, int *o_p2) +{ + int p1, p2; + + if (IS_I9XX(dinfo)) { + if (dpll & DPLL_P1_FORCE_DIV2) + p1 = 1; + else + p1 = (dpll >> DPLL_P1_SHIFT) & 0xff; + + p1 = ffs(p1); + + p2 = (dpll >> DPLL_I9XX_P2_SHIFT) & DPLL_P2_MASK; + } else { + if (dpll & DPLL_P1_FORCE_DIV2) + p1 = 0; + else + p1 = (dpll >> DPLL_P1_SHIFT) & DPLL_P1_MASK; + p2 = (dpll >> DPLL_P2_SHIFT) & DPLL_P2_MASK; + } + + *o_p1 = p1; + *o_p2 = p2; +} + + void intelfbhw_print_hw_state(struct intelfb_info *dinfo, struct intelfb_hwstate *hw) { #if REGDUMP int i, m1, m2, n, p1, p2; - + int index = dinfo->pll_index; DBG_MSG("intelfbhw_print_hw_state\n"); if (!hw || !dinfo) @@ -547,26 +660,22 @@ intelfbhw_print_hw_state(struct intelfb_info *dinfo, struct intelfb_hwstate *hw) n = (hw->vga0_divisor >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; m1 = (hw->vga0_divisor >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; m2 = (hw->vga0_divisor >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; - if (hw->vga_pd & VGAPD_0_P1_FORCE_DIV2) - p1 = 0; - else - p1 = (hw->vga_pd >> VGAPD_0_P1_SHIFT) & DPLL_P1_MASK; - p2 = (hw->vga_pd >> VGAPD_0_P2_SHIFT) & DPLL_P2_MASK; + + intelfbhw_get_p1p2(dinfo, hw->vga_pd, &p1, &p2); + printk(" VGA0: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", - m1, m2, n, p1, p2); - printk(" VGA0: clock is %d\n", CALC_VCLOCK(m1, m2, n, p1, p2)); + m1, m2, n, p1, p2); + printk(" VGA0: clock is %d\n", + calc_vclock(index, m1, m2, n, p1, p2, 0)); n = (hw->vga1_divisor >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; m1 = (hw->vga1_divisor >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; m2 = (hw->vga1_divisor >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; - if (hw->vga_pd & VGAPD_1_P1_FORCE_DIV2) - p1 = 0; - else - p1 = (hw->vga_pd >> VGAPD_1_P1_SHIFT) & DPLL_P1_MASK; - p2 = (hw->vga_pd >> VGAPD_1_P2_SHIFT) & DPLL_P2_MASK; + + intelfbhw_get_p1p2(dinfo, hw->vga_pd, &p1, &p2); printk(" VGA1: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", - m1, m2, n, p1, p2); - printk(" VGA1: clock is %d\n", CALC_VCLOCK(m1, m2, n, p1, p2)); + m1, m2, n, p1, p2); + printk(" VGA1: clock is %d\n", calc_vclock(index, m1, m2, n, p1, p2, 0)); printk(" DPLL_A: 0x%08x\n", hw->dpll_a); printk(" DPLL_B: 0x%08x\n", hw->dpll_b); @@ -578,34 +687,30 @@ intelfbhw_print_hw_state(struct intelfb_info *dinfo, struct intelfb_hwstate *hw) n = (hw->fpa0 >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; m1 = (hw->fpa0 >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; m2 = (hw->fpa0 >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; - if (hw->dpll_a & DPLL_P1_FORCE_DIV2) - p1 = 0; - else - p1 = (hw->dpll_a >> DPLL_P1_SHIFT) & DPLL_P1_MASK; - p2 = (hw->dpll_a >> DPLL_P2_SHIFT) & DPLL_P2_MASK; + + intelfbhw_get_p1p2(dinfo, hw->dpll_a, &p1, &p2); + printk(" PLLA0: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", - m1, m2, n, p1, p2); - printk(" PLLA0: clock is %d\n", CALC_VCLOCK(m1, m2, n, p1, p2)); + m1, m2, n, p1, p2); + printk(" PLLA0: clock is %d\n", calc_vclock(index, m1, m2, n, p1, p2, 0)); n = (hw->fpa1 >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; m1 = (hw->fpa1 >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; m2 = (hw->fpa1 >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; - if (hw->dpll_a & DPLL_P1_FORCE_DIV2) - p1 = 0; - else - p1 = (hw->dpll_a >> DPLL_P1_SHIFT) & DPLL_P1_MASK; - p2 = (hw->dpll_a >> DPLL_P2_SHIFT) & DPLL_P2_MASK; + + intelfbhw_get_p1p2(dinfo, hw->dpll_a, &p1, &p2); + printk(" PLLA1: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", - m1, m2, n, p1, p2); - printk(" PLLA1: clock is %d\n", CALC_VCLOCK(m1, m2, n, p1, p2)); + m1, m2, n, p1, p2); + printk(" PLLA1: clock is %d\n", calc_vclock(index, m1, m2, n, p1, p2, 0)); #if 0 printk(" PALETTE_A:\n"); for (i = 0; i < PALETTE_8_ENTRIES) - printk(" %3d: 0x%08x\n", i, hw->palette_a[i]; + printk(" %3d: 0x%08x\n", i, hw->palette_a[i]); printk(" PALETTE_B:\n"); for (i = 0; i < PALETTE_8_ENTRIES) - printk(" %3d: 0x%08x\n", i, hw->palette_b[i]; + printk(" %3d: 0x%08x\n", i, hw->palette_b[i]); #endif printk(" HTOTAL_A: 0x%08x\n", hw->htotal_a); @@ -680,11 +785,11 @@ intelfbhw_print_hw_state(struct intelfb_info *dinfo, struct intelfb_hwstate *hw) } for (i = 0; i < 3; i++) { printk(" SWF3%d 0x%08x\n", i, - hw->swf3x[i]); + hw->swf3x[i]); } for (i = 0; i < 8; i++) printk(" FENCE%d 0x%08x\n", i, - hw->fence[i]); + hw->fence[i]); printk(" INSTPM 0x%08x\n", hw->instpm); printk(" MEM_MODE 0x%08x\n", hw->mem_mode); @@ -695,43 +800,58 @@ intelfbhw_print_hw_state(struct intelfb_info *dinfo, struct intelfb_hwstate *hw) #endif } + + /* Split the M parameter into M1 and M2. */ static int -splitm(unsigned int m, unsigned int *retm1, unsigned int *retm2) +splitm(int index, unsigned int m, unsigned int *retm1, unsigned int *retm2) { int m1, m2; - - m1 = (m - 2 - (MIN_M2 + MAX_M2) / 2) / 5 - 2; - if (m1 < MIN_M1) - m1 = MIN_M1; - if (m1 > MAX_M1) - m1 = MAX_M1; - m2 = m - 5 * (m1 + 2) - 2; - if (m2 < MIN_M2 || m2 > MAX_M2 || m2 >= m1) { - return 1; - } else { - *retm1 = (unsigned int)m1; - *retm2 = (unsigned int)m2; - return 0; + int testm; + struct pll_min_max *pll = &plls[index]; + + /* no point optimising too much - brute force m */ + for (m1 = pll->min_m1; m1 < pll->max_m1 + 1; m1++) { + for (m2 = pll->min_m2; m2 < pll->max_m2 + 1; m2++) { + testm = (5 * (m1 + 2)) + (m2 + 2); + if (testm == m) { + *retm1 = (unsigned int)m1; + *retm2 = (unsigned int)m2; + return 0; + } + } } + return 1; } /* Split the P parameter into P1 and P2. */ static int -splitp(unsigned int p, unsigned int *retp1, unsigned int *retp2) +splitp(int index, unsigned int p, unsigned int *retp1, unsigned int *retp2) { int p1, p2; + struct pll_min_max *pll = &plls[index]; + + if (index == PLLS_I9xx) { + p2 = (p % 10) ? 1 : 0; + + p1 = p / (p2 ? 5 : 10); + + *retp1 = (unsigned int)p1; + *retp2 = (unsigned int)p2; + return 0; + } if (p % 4 == 0) p2 = 1; else p2 = 0; p1 = (p / (1 << (p2 + 1))) - 2; - if (p % 4 == 0 && p1 < MIN_P1) { + if (p % 4 == 0 && p1 < pll->min_p1) { p2 = 0; p1 = (p / (1 << (p2 + 1))) - 2; } - if (p1 < MIN_P1 || p1 > MAX_P1 || (p1 + 2) * (1 << (p2 + 1)) != p) { + if (p1 < pll->min_p1 || p1 > pll->max_p1 || + (p1 + 2) * (1 << (p2 + 1)) != p) { return 1; } else { *retp1 = (unsigned int)p1; @@ -741,14 +861,15 @@ splitp(unsigned int p, unsigned int *retp1, unsigned int *retp2) } static int -calc_pll_params(int clock, u32 *retm1, u32 *retm2, u32 *retn, u32 *retp1, +calc_pll_params(int index, int clock, u32 *retm1, u32 *retm2, u32 *retn, u32 *retp1, u32 *retp2, u32 *retclock) { - u32 m1, m2, n, p1, p2, n1; - u32 f_vco, p, p_best = 0, m, f_out; + u32 m1, m2, n, p1, p2, n1, testm; + u32 f_vco, p, p_best = 0, m, f_out = 0; u32 err_max, err_target, err_best = 10000000; u32 n_best = 0, m_best = 0, f_best, f_err; - u32 p_min, p_max, p_inc, div_min, div_max; + u32 p_min, p_max, p_inc, div_max; + struct pll_min_max *pll = &plls[index]; /* Accept 0.5% difference, but aim for 0.1% */ err_max = 5 * clock / 1000; @@ -756,58 +877,56 @@ calc_pll_params(int clock, u32 *retm1, u32 *retm2, u32 *retn, u32 *retp1, DBG_MSG("Clock is %d\n", clock); - div_max = MAX_VCO_FREQ / clock; - div_min = ROUND_UP_TO(MIN_VCO_FREQ, clock) / clock; + div_max = pll->max_vco / clock; - if (clock <= P_TRANSITION_CLOCK) - p_inc = 4; - else - p_inc = 2; - p_min = ROUND_UP_TO(div_min, p_inc); + p_inc = (clock <= pll->p_transition_clk) ? pll->p_inc_lo : pll->p_inc_hi; + p_min = p_inc; p_max = ROUND_DOWN_TO(div_max, p_inc); - if (p_min < MIN_P) - p_min = 4; - if (p_max > MAX_P) - p_max = 128; + if (p_min < pll->min_p) + p_min = pll->min_p; + if (p_max > pll->max_p) + p_max = pll->max_p; DBG_MSG("p range is %d-%d (%d)\n", p_min, p_max, p_inc); p = p_min; do { - if (splitp(p, &p1, &p2)) { + if (splitp(index, p, &p1, &p2)) { WRN_MSG("cannot split p = %d\n", p); p += p_inc; continue; } - n = MIN_N; + n = pll->min_n; f_vco = clock * p; do { - m = ROUND_UP_TO(f_vco * n, PLL_REFCLK) / PLL_REFCLK; - if (m < MIN_M) - m = MIN_M; - if (m > MAX_M) - m = MAX_M; - f_out = CALC_VCLOCK3(m, n, p); - if (splitm(m, &m1, &m2)) { - WRN_MSG("cannot split m = %d\n", m); - n++; - continue; - } - if (clock > f_out) - f_err = clock - f_out; - else - f_err = f_out - clock; - - if (f_err < err_best) { - m_best = m; - n_best = n; - p_best = p; - f_best = f_out; - err_best = f_err; + m = ROUND_UP_TO(f_vco * n, pll->ref_clk) / pll->ref_clk; + if (m < pll->min_m) + m = pll->min_m + 1; + if (m > pll->max_m) + m = pll->max_m - 1; + for (testm = m - 1; testm <= m; testm++) { + f_out = calc_vclock3(index, m, n, p); + if (splitm(index, testm, &m1, &m2)) { + WRN_MSG("cannot split m = %d\n", m); + n++; + continue; + } + if (clock > f_out) + f_err = clock - f_out; + else/* slightly bias the error for bigger clocks */ + f_err = f_out - clock + 1; + + if (f_err < err_best) { + m_best = testm; + n_best = n; + p_best = p; + f_best = f_out; + err_best = f_err; + } } n++; - } while ((n <= MAX_N) && (f_out >= clock)); + } while ((n <= pll->max_n) && (f_out >= clock)); p += p_inc; } while ((p <= p_max)); @@ -818,21 +937,22 @@ calc_pll_params(int clock, u32 *retm1, u32 *retm2, u32 *retn, u32 *retp1, m = m_best; n = n_best; p = p_best; - splitm(m, &m1, &m2); - splitp(p, &p1, &p2); + splitm(index, m, &m1, &m2); + splitp(index, p, &p1, &p2); n1 = n - 2; DBG_MSG("m, n, p: %d (%d,%d), %d (%d), %d (%d,%d), " "f: %d (%d), VCO: %d\n", m, m1, m2, n, n1, p, p1, p2, - CALC_VCLOCK3(m, n, p), CALC_VCLOCK(m1, m2, n1, p1, p2), - CALC_VCLOCK3(m, n, p) * p); + calc_vclock3(index, m, n, p), + calc_vclock(index, m1, m2, n1, p1, p2, 0), + calc_vclock3(index, m, n, p) * p); *retm1 = m1; *retm2 = m2; *retn = n1; *retp1 = p1; *retp2 = p2; - *retclock = CALC_VCLOCK(m1, m2, n1, p1, p2); + *retclock = calc_vclock(index, m1, m2, n1, p1, p2, 0); return 0; } @@ -860,6 +980,7 @@ intelfbhw_mode_to_hw(struct intelfb_info *dinfo, struct intelfb_hwstate *hw, u32 vsync_start, vsync_end, vblank_start, vblank_end, vtotal, vactive; u32 vsync_pol, hsync_pol; u32 *vs, *vb, *vt, *hs, *hb, *ht, *ss, *pipe_conf; + u32 stride_alignment; DBG_MSG("intelfbhw_mode_to_hw\n"); @@ -929,7 +1050,8 @@ intelfbhw_mode_to_hw(struct intelfb_info *dinfo, struct intelfb_hwstate *hw, /* Desired clock in kHz */ clock_target = 1000000000 / var->pixclock; - if (calc_pll_params(clock_target, &m1, &m2, &n, &p1, &p2, &clock)) { + if (calc_pll_params(dinfo->pll_index, clock_target, &m1, &m2, + &n, &p1, &p2, &clock)) { WRN_MSG("calc_pll_params failed\n"); return 1; } @@ -949,7 +1071,14 @@ intelfbhw_mode_to_hw(struct intelfb_info *dinfo, struct intelfb_hwstate *hw, *dpll &= ~DPLL_P1_FORCE_DIV2; *dpll &= ~((DPLL_P2_MASK << DPLL_P2_SHIFT) | (DPLL_P1_MASK << DPLL_P1_SHIFT)); - *dpll |= (p2 << DPLL_P2_SHIFT) | (p1 << DPLL_P1_SHIFT); + + if (IS_I9XX(dinfo)) { + *dpll |= (p2 << DPLL_I9XX_P2_SHIFT); + *dpll |= (1 << (p1 - 1)) << DPLL_P1_SHIFT; + } else { + *dpll |= (p2 << DPLL_P2_SHIFT) | (p1 << DPLL_P1_SHIFT); + } + *fp0 = (n << FP_N_DIVISOR_SHIFT) | (m1 << FP_M1_DIVISOR_SHIFT) | (m2 << FP_M2_DIVISOR_SHIFT); @@ -1054,7 +1183,7 @@ intelfbhw_mode_to_hw(struct intelfb_info *dinfo, struct intelfb_hwstate *hw, *ss = (hactive << SRC_SIZE_HORIZ_SHIFT) | (vactive << SRC_SIZE_VERT_SHIFT); - hw->disp_a_stride = var->xres_virtual * var->bits_per_pixel / 8; + hw->disp_a_stride = dinfo->pitch; DBG_MSG("pitch is %d\n", hw->disp_a_stride); hw->disp_a_base = hw->disp_a_stride * var->yoffset + @@ -1063,9 +1192,11 @@ intelfbhw_mode_to_hw(struct intelfb_info *dinfo, struct intelfb_hwstate *hw, hw->disp_a_base += dinfo->fb.offset << 12; /* Check stride alignment. */ - if (hw->disp_a_stride % STRIDE_ALIGNMENT != 0) { + stride_alignment = IS_I9XX(dinfo) ? STRIDE_ALIGNMENT_I9XX : + STRIDE_ALIGNMENT; + if (hw->disp_a_stride % stride_alignment != 0) { WRN_MSG("display stride %d has bad alignment %d\n", - hw->disp_a_stride, STRIDE_ALIGNMENT); + hw->disp_a_stride, stride_alignment); return 1; } @@ -1087,6 +1218,7 @@ intelfbhw_program_mode(struct intelfb_info *dinfo, u32 hsync_reg, htotal_reg, hblank_reg; u32 vsync_reg, vtotal_reg, vblank_reg; u32 src_size_reg; + u32 count, tmp_val[3]; /* Assume single pipe, display plane A, analog CRT. */ @@ -1155,6 +1287,27 @@ intelfbhw_program_mode(struct intelfb_info *dinfo, src_size_reg = SRC_SIZE_A; } + /* turn off pipe */ + tmp = INREG(pipe_conf_reg); + tmp &= ~PIPECONF_ENABLE; + OUTREG(pipe_conf_reg, tmp); + + count = 0; + do { + tmp_val[count%3] = INREG(0x70000); + if ((tmp_val[0] == tmp_val[1]) && (tmp_val[1]==tmp_val[2])) + break; + count++; + udelay(1); + if (count % 200 == 0) { + tmp = INREG(pipe_conf_reg); + tmp &= ~PIPECONF_ENABLE; + OUTREG(pipe_conf_reg, tmp); + } + } while(count < 2000); + + OUTREG(ADPA, INREG(ADPA) & ~ADPA_DAC_ENABLE); + /* Disable planes A and B. */ tmp = INREG(DSPACNTR); tmp &= ~DISPPLANE_PLANE_ENABLE; @@ -1163,19 +1316,21 @@ intelfbhw_program_mode(struct intelfb_info *dinfo, tmp &= ~DISPPLANE_PLANE_ENABLE; OUTREG(DSPBCNTR, tmp); - /* Wait for vblank. For now, just wait for a 50Hz cycle (20ms)) */ + /* Wait for vblank. For now, just wait for a 50Hz cycle (20ms)) */ mdelay(20); + OUTREG(DVOB, INREG(DVOB) & ~PORT_ENABLE); + OUTREG(DVOC, INREG(DVOC) & ~PORT_ENABLE); + OUTREG(ADPA, INREG(ADPA) & ~ADPA_DAC_ENABLE); + /* Disable Sync */ tmp = INREG(ADPA); tmp &= ~ADPA_DPMS_CONTROL_MASK; tmp |= ADPA_DPMS_D3; OUTREG(ADPA, tmp); - /* turn off pipe */ - tmp = INREG(pipe_conf_reg); - tmp &= ~PIPECONF_ENABLE; - OUTREG(pipe_conf_reg, tmp); + /* do some funky magic - xyzzy */ + OUTREG(0x61204, 0xabcd0000); /* turn off PLL */ tmp = INREG(dpll_reg); @@ -1183,30 +1338,31 @@ intelfbhw_program_mode(struct intelfb_info *dinfo, OUTREG(dpll_reg, tmp); /* Set PLL parameters */ - OUTREG(dpll_reg, *dpll & ~DPLL_VCO_ENABLE); OUTREG(fp0_reg, *fp0); OUTREG(fp1_reg, *fp1); - /* Set pipe parameters */ - OUTREG(hsync_reg, *hs); - OUTREG(hblank_reg, *hb); - OUTREG(htotal_reg, *ht); - OUTREG(vsync_reg, *vs); - OUTREG(vblank_reg, *vb); - OUTREG(vtotal_reg, *vt); - OUTREG(src_size_reg, *ss); + /* Enable PLL */ + OUTREG(dpll_reg, *dpll); /* Set DVOs B/C */ OUTREG(DVOB, hw->dvob); OUTREG(DVOC, hw->dvoc); + /* undo funky magic */ + OUTREG(0x61204, 0x00000000); + /* Set ADPA */ + OUTREG(ADPA, INREG(ADPA) | ADPA_DAC_ENABLE); OUTREG(ADPA, (hw->adpa & ~(ADPA_DPMS_CONTROL_MASK)) | ADPA_DPMS_D3); - /* Enable PLL */ - tmp = INREG(dpll_reg); - tmp |= DPLL_VCO_ENABLE; - OUTREG(dpll_reg, tmp); + /* Set pipe parameters */ + OUTREG(hsync_reg, *hs); + OUTREG(hblank_reg, *hb); + OUTREG(htotal_reg, *ht); + OUTREG(vsync_reg, *vs); + OUTREG(vblank_reg, *vb); + OUTREG(vtotal_reg, *vt); + OUTREG(src_size_reg, *ss); /* Enable pipe */ OUTREG(pipe_conf_reg, *pipe_conf | PIPECONF_ENABLE); @@ -1231,7 +1387,7 @@ intelfbhw_program_mode(struct intelfb_info *dinfo, OUTREG(DSPACNTR, hw->disp_a_ctrl|DISPPLANE_PLANE_ENABLE); mdelay(1); - } + } } OUTREG(DSPACNTR, hw->disp_a_ctrl & ~DISPPLANE_PLANE_ENABLE); @@ -1616,7 +1772,7 @@ intelfbhw_cursor_init(struct intelfb_info *dinfo) DBG_MSG("intelfbhw_cursor_init\n"); #endif - if (dinfo->mobile) { + if (dinfo->mobile || IS_I9XX(dinfo)) { if (!dinfo->cursor.physical) return; tmp = INREG(CURSOR_A_CONTROL); @@ -1649,7 +1805,7 @@ intelfbhw_cursor_hide(struct intelfb_info *dinfo) #endif dinfo->cursor_on = 0; - if (dinfo->mobile) { + if (dinfo->mobile || IS_I9XX(dinfo)) { if (!dinfo->cursor.physical) return; tmp = INREG(CURSOR_A_CONTROL); @@ -1679,7 +1835,7 @@ intelfbhw_cursor_show(struct intelfb_info *dinfo) if (dinfo->cursor_blanked) return; - if (dinfo->mobile) { + if (dinfo->mobile || IS_I9XX(dinfo)) { if (!dinfo->cursor.physical) return; tmp = INREG(CURSOR_A_CONTROL); @@ -1705,14 +1861,18 @@ intelfbhw_cursor_setpos(struct intelfb_info *dinfo, int x, int y) #endif /* - * Sets the position. The coordinates are assumed to already - * have any offset adjusted. Assume that the cursor is never + * Sets the position. The coordinates are assumed to already + * have any offset adjusted. Assume that the cursor is never * completely off-screen, and that x, y are always >= 0. */ tmp = ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT) | ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT); OUTREG(CURSOR_A_POSITION, tmp); + + if (IS_I9XX(dinfo)) { + OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); + } } void diff --git a/drivers/video/intelfb/intelfbhw.h b/drivers/video/intelfb/intelfbhw.h index ba1920159f52..10acda098b71 100644 --- a/drivers/video/intelfb/intelfbhw.h +++ b/drivers/video/intelfb/intelfbhw.h @@ -133,6 +133,7 @@ #define DPLL_VGA_MODE_DISABLE (1 << 28) #define DPLL_P2_MASK 1 #define DPLL_P2_SHIFT 23 +#define DPLL_I9XX_P2_SHIFT 24 #define DPLL_P1_FORCE_DIV2 (1 << 21) #define DPLL_P1_MASK 0x1f #define DPLL_P1_SHIFT 16 @@ -155,29 +156,8 @@ /* PLL parameters (these are for 852GM/855GM/865G, check earlier chips). */ /* Clock values are in units of kHz */ #define PLL_REFCLK 48000 -#define MIN_VCO_FREQ 930000 -#define MAX_VCO_FREQ 1400000 #define MIN_CLOCK 25000 #define MAX_CLOCK 350000 -#define P_TRANSITION_CLOCK 165000 -#define MIN_M 108 -#define MAX_M 140 -#define MIN_M1 18 -#define MAX_M1 26 -#define MIN_M2 6 -#define MAX_M2 16 -#define MIN_P 4 -#define MAX_P 128 -#define MIN_P1 0 -#define MAX_P1 31 -#define MIN_N 3 -#define MAX_N 16 - -#define CALC_VCLOCK(m1, m2, n, p1, p2) \ - ((PLL_REFCLK * (5 * ((m1) + 2) + ((m2) + 2)) / ((n) + 2)) / \ - (((p1) + 2) * (1 << (p2 + 1)))) - -#define CALC_VCLOCK3(m, n, p) ((PLL_REFCLK * (m) / (n)) / (p)) /* Two pipes */ #define PIPE_A 0 @@ -522,8 +502,7 @@ /* function protoypes */ -extern int intelfbhw_get_chipset(struct pci_dev *pdev, const char **name, - int *chipset, int *mobile); +extern int intelfbhw_get_chipset(struct pci_dev *pdev, struct intelfb_info *dinfo); extern int intelfbhw_get_memory(struct pci_dev *pdev, int *aperture_size, int *stolen_size); extern int intelfbhw_check_non_crt(struct intelfb_info *dinfo); |