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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-04-08 19:06:30 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-08-10 20:03:49 -0700
commitaa43c2158d5ae1dc76cccb08cd57a3ffd32c3825 (patch)
treecdb471f2b2440d551e634f9cbeacf1675daf3ba8 /drivers/net/netxen/netxen_nic_main.c
parentdee1ad47f2ee75f5146d83ca757c1b7861c34c3b (diff)
qlogic: Move the QLogic drivers
Moves the QLogic drivers into drivers/net/ethernet/qlogic/ and the necessary Kconfig and Makefile changes. CC: Ron Mercer <ron.mercer@qlogic.com> CC: Amit Kumar Salecha <amit.salecha@qlogic.com> CC: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Acked-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Diffstat (limited to 'drivers/net/netxen/netxen_nic_main.c')
-rw-r--r--drivers/net/netxen/netxen_nic_main.c3100
1 files changed, 0 insertions, 3100 deletions
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
deleted file mode 100644
index 8c7fc32d781f..000000000000
--- a/drivers/net/netxen/netxen_nic_main.c
+++ /dev/null
@@ -1,3100 +0,0 @@
-/*
- * Copyright (C) 2003 - 2009 NetXen, Inc.
- * Copyright (C) 2009 - QLogic 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".
- *
- */
-
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-#include <linux/interrupt.h>
-#include "netxen_nic_hw.h"
-
-#include "netxen_nic.h"
-
-#include <linux/dma-mapping.h>
-#include <linux/if_vlan.h>
-#include <net/ip.h>
-#include <linux/ipv6.h>
-#include <linux/inetdevice.h>
-#include <linux/sysfs.h>
-#include <linux/aer.h>
-
-MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Intelligent Ethernet Driver");
-MODULE_LICENSE("GPL");
-MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
-MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME);
-
-char netxen_nic_driver_name[] = "netxen_nic";
-static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v"
- NETXEN_NIC_LINUX_VERSIONID;
-
-static int port_mode = NETXEN_PORT_MODE_AUTO_NEG;
-
-/* Default to restricted 1G auto-neg mode */
-static int wol_port_mode = 5;
-
-static int use_msi = 1;
-
-static int use_msi_x = 1;
-
-static int auto_fw_reset = AUTO_FW_RESET_ENABLED;
-module_param(auto_fw_reset, int, 0644);
-MODULE_PARM_DESC(auto_fw_reset,"Auto firmware reset (0=disabled, 1=enabled");
-
-static int __devinit netxen_nic_probe(struct pci_dev *pdev,
- const struct pci_device_id *ent);
-static void __devexit netxen_nic_remove(struct pci_dev *pdev);
-static int netxen_nic_open(struct net_device *netdev);
-static int netxen_nic_close(struct net_device *netdev);
-static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *,
- struct net_device *);
-static void netxen_tx_timeout(struct net_device *netdev);
-static void netxen_tx_timeout_task(struct work_struct *work);
-static void netxen_fw_poll_work(struct work_struct *work);
-static void netxen_schedule_work(struct netxen_adapter *adapter,
- work_func_t func, int delay);
-static void netxen_cancel_fw_work(struct netxen_adapter *adapter);
-static int netxen_nic_poll(struct napi_struct *napi, int budget);
-#ifdef CONFIG_NET_POLL_CONTROLLER
-static void netxen_nic_poll_controller(struct net_device *netdev);
-#endif
-
-static void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
-static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
-static void netxen_create_diag_entries(struct netxen_adapter *adapter);
-static void netxen_remove_diag_entries(struct netxen_adapter *adapter);
-
-static int nx_dev_request_aer(struct netxen_adapter *adapter);
-static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter);
-static int netxen_can_start_firmware(struct netxen_adapter *adapter);
-
-static irqreturn_t netxen_intr(int irq, void *data);
-static irqreturn_t netxen_msi_intr(int irq, void *data);
-static irqreturn_t netxen_msix_intr(int irq, void *data);
-
-static void netxen_free_vlan_ip_list(struct netxen_adapter *);
-static void netxen_restore_indev_addr(struct net_device *dev, unsigned long);
-static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *dev,
- struct rtnl_link_stats64 *stats);
-static int netxen_nic_set_mac(struct net_device *netdev, void *p);
-
-/* PCI Device ID Table */
-#define ENTRY(device) \
- {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \
- .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
-
-static DEFINE_PCI_DEVICE_TABLE(netxen_pci_tbl) = {
- ENTRY(PCI_DEVICE_ID_NX2031_10GXSR),
- ENTRY(PCI_DEVICE_ID_NX2031_10GCX4),
- ENTRY(PCI_DEVICE_ID_NX2031_4GCU),
- ENTRY(PCI_DEVICE_ID_NX2031_IMEZ),
- ENTRY(PCI_DEVICE_ID_NX2031_HMEZ),
- ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT),
- ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2),
- ENTRY(PCI_DEVICE_ID_NX3031),
- {0,}
-};
-
-MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
-
-static uint32_t crb_cmd_producer[4] = {
- CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1,
- CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
-};
-
-void
-netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
- struct nx_host_tx_ring *tx_ring)
-{
- NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer);
-}
-
-static uint32_t crb_cmd_consumer[4] = {
- CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1,
- CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3
-};
-
-static inline void
-netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
- struct nx_host_tx_ring *tx_ring)
-{
- NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer);
-}
-
-static uint32_t msi_tgt_status[8] = {
- ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
- ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
- ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
- ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
-};
-
-static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
-
-static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring)
-{
- struct netxen_adapter *adapter = sds_ring->adapter;
-
- NXWRIO(adapter, sds_ring->crb_intr_mask, 0);
-}
-
-static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring)
-{
- struct netxen_adapter *adapter = sds_ring->adapter;
-
- NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1);
-
- if (!NETXEN_IS_MSI_FAMILY(adapter))
- NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff);
-}
-
-static int
-netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count)
-{
- int size = sizeof(struct nx_host_sds_ring) * count;
-
- recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
-
- return recv_ctx->sds_rings == NULL;
-}
-
-static void
-netxen_free_sds_rings(struct netxen_recv_context *recv_ctx)
-{
- if (recv_ctx->sds_rings != NULL)
- kfree(recv_ctx->sds_rings);
-
- recv_ctx->sds_rings = NULL;
-}
-
-static int
-netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev)
-{
- int ring;
- struct nx_host_sds_ring *sds_ring;
- struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
-
- if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
- return -ENOMEM;
-
- for (ring = 0; ring < adapter->max_sds_rings; ring++) {
- sds_ring = &recv_ctx->sds_rings[ring];
- netif_napi_add(netdev, &sds_ring->napi,
- netxen_nic_poll, NETXEN_NETDEV_WEIGHT);
- }
-
- return 0;
-}
-
-static void
-netxen_napi_del(struct netxen_adapter *adapter)
-{
- int ring;
- struct nx_host_sds_ring *sds_ring;
- struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
-
- for (ring = 0; ring < adapter->max_sds_rings; ring++) {
- sds_ring = &recv_ctx->sds_rings[ring];
- netif_napi_del(&sds_ring->napi);
- }
-
- netxen_free_sds_rings(&adapter->recv_ctx);
-}
-
-static void
-netxen_napi_enable(struct netxen_adapter *adapter)
-{
- int ring;
- struct nx_host_sds_ring *sds_ring;
- struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
-
- for (ring = 0; ring < adapter->max_sds_rings; ring++) {
- sds_ring = &recv_ctx->sds_rings[ring];
- napi_enable(&sds_ring->napi);
- netxen_nic_enable_int(sds_ring);
- }
-}
-
-static void
-netxen_napi_disable(struct netxen_adapter *adapter)
-{
- int ring;
- struct nx_host_sds_ring *sds_ring;
- struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
-
- for (ring = 0; ring < adapter->max_sds_rings; ring++) {
- sds_ring = &recv_ctx->sds_rings[ring];
- netxen_nic_disable_int(sds_ring);
- napi_synchronize(&sds_ring->napi);
- napi_disable(&sds_ring->napi);
- }
-}
-
-static int nx_set_dma_mask(struct netxen_adapter *adapter)
-{
- struct pci_dev *pdev = adapter->pdev;
- uint64_t mask, cmask;
-
- adapter->pci_using_dac = 0;
-
- mask = DMA_BIT_MASK(32);
- cmask = DMA_BIT_MASK(32);
-
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
-#ifndef CONFIG_IA64
- mask = DMA_BIT_MASK(35);
-#endif
- } else {
- mask = DMA_BIT_MASK(39);
- cmask = mask;
- }
-
- if (pci_set_dma_mask(pdev, mask) == 0 &&
- pci_set_consistent_dma_mask(pdev, cmask) == 0) {
- adapter->pci_using_dac = 1;
- return 0;
- }
-
- return -EIO;
-}
-
-/* Update addressable range if firmware supports it */
-static int
-nx_update_dma_mask(struct netxen_adapter *adapter)
-{
- int change, shift, err;
- uint64_t mask, old_mask, old_cmask;
- struct pci_dev *pdev = adapter->pdev;
-
- change = 0;
-
- shift = NXRD32(adapter, CRB_DMA_SHIFT);
- if (shift > 32)
- return 0;
-
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9))
- change = 1;
- else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4))
- change = 1;
-
- if (change) {
- old_mask = pdev->dma_mask;
- old_cmask = pdev->dev.coherent_dma_mask;
-
- mask = DMA_BIT_MASK(32+shift);
-
- err = pci_set_dma_mask(pdev, mask);
- if (err)
- goto err_out;
-
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
-
- err = pci_set_consistent_dma_mask(pdev, mask);
- if (err)
- goto err_out;
- }
- dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift);
- }
-
- return 0;
-
-err_out:
- pci_set_dma_mask(pdev, old_mask);
- pci_set_consistent_dma_mask(pdev, old_cmask);
- return err;
-}
-
-static int
-netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
-{
- u32 val, timeout;
-
- if (first_boot == 0x55555555) {
- /* This is the first boot after power up */
- NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
-
- if (!NX_IS_REVISION_P2(adapter->ahw.revision_id))
- return 0;
-
- /* PCI bus master workaround */
- first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4));
- if (!(first_boot & 0x4)) {
- first_boot |= 0x4;
- NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot);
- NXRD32(adapter, NETXEN_PCIE_REG(0x4));
- }
-
- /* This is the first boot after power up */
- first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET);
- if (first_boot != 0x80000f) {
- /* clear the register for future unloads/loads */
- NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0);
- return -EIO;
- }
-
- /* Start P2 boot loader */
- val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
- NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1);
- timeout = 0;
- do {
- msleep(1);
- val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
-
- if (++timeout > 5000)
- return -EIO;
-
- } while (val == NETXEN_BDINFO_MAGIC);
- }
- return 0;
-}
-
-static void netxen_set_port_mode(struct netxen_adapter *adapter)
-{
- u32 val, data;
-
- val = adapter->ahw.board_type;
- if ((val == NETXEN_BRDTYPE_P3_HMEZ) ||
- (val == NETXEN_BRDTYPE_P3_XG_LOM)) {
- if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
- data = NETXEN_PORT_MODE_802_3_AP;
- NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
- } else if (port_mode == NETXEN_PORT_MODE_XG) {
- data = NETXEN_PORT_MODE_XG;
- NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
- } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) {
- data = NETXEN_PORT_MODE_AUTO_NEG_1G;
- NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
- } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) {
- data = NETXEN_PORT_MODE_AUTO_NEG_XG;
- NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
- } else {
- data = NETXEN_PORT_MODE_AUTO_NEG;
- NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
- }
-
- if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) &&
- (wol_port_mode != NETXEN_PORT_MODE_XG) &&
- (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) &&
- (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) {
- wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG;
- }
- NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode);
- }
-}
-
-static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
-{
- u32 control;
- int pos;
-
- pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
- if (pos) {
- pci_read_config_dword(pdev, pos, &control);
- if (enable)
- control |= PCI_MSIX_FLAGS_ENABLE;
- else
- control = 0;
- pci_write_config_dword(pdev, pos, control);
- }
-}
-
-static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count)
-{
- int i;
-
- for (i = 0; i < count; i++)
- adapter->msix_entries[i].entry = i;
-}
-
-static int
-netxen_read_mac_addr(struct netxen_adapter *adapter)
-{
- int i;
- unsigned char *p;
- u64 mac_addr;
- struct net_device *netdev = adapter->netdev;
- struct pci_dev *pdev = adapter->pdev;
-
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
- if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
- return -EIO;
- } else {
- if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0)
- return -EIO;
- }
-
- p = (unsigned char *)&mac_addr;
- for (i = 0; i < 6; i++)
- netdev->dev_addr[i] = *(p + 5 - i);
-
- memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
- memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
-
- /* set station address */
-
- if (!is_valid_ether_addr(netdev->perm_addr))
- dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr);
-
- return 0;
-}
-
-static int netxen_nic_set_mac(struct net_device *netdev, void *p)
-{
- struct netxen_adapter *adapter = netdev_priv(netdev);
- struct sockaddr *addr = p;
-
- if (!is_valid_ether_addr(addr->sa_data))
- return -EINVAL;
-
- if (netif_running(netdev)) {
- netif_device_detach(netdev);
- netxen_napi_disable(adapter);
- }
-
- memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
- memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
- adapter->macaddr_set(adapter, addr->sa_data);
-
- if (netif_running(netdev)) {
- netif_device_attach(netdev);
- netxen_napi_enable(adapter);
- }
- return 0;
-}
-
-static void netxen_set_multicast_list(struct net_device *dev)
-{
- struct netxen_adapter *adapter = netdev_priv(dev);
-
- adapter->set_multi(dev);
-}
-
-static u32 netxen_fix_features(struct net_device *dev, u32 features)
-{
- if (!(features & NETIF_F_RXCSUM)) {
- netdev_info(dev, "disabling LRO as RXCSUM is off\n");
-
- features &= ~NETIF_F_LRO;
- }
-
- return features;
-}
-
-static int netxen_set_features(struct net_device *dev, u32 features)
-{
- struct netxen_adapter *adapter = netdev_priv(dev);
- int hw_lro;
-
- if (!((dev->features ^ features) & NETIF_F_LRO))
- return 0;
-
- hw_lro = (features & NETIF_F_LRO) ? NETXEN_NIC_LRO_ENABLED
- : NETXEN_NIC_LRO_DISABLED;
-
- if (netxen_config_hw_lro(adapter, hw_lro))
- return -EIO;
-
- if (!(features & NETIF_F_LRO) && netxen_send_lro_cleanup(adapter))
- return -EIO;
-
- return 0;
-}
-
-static const struct net_device_ops netxen_netdev_ops = {
- .ndo_open = netxen_nic_open,
- .ndo_stop = netxen_nic_close,
- .ndo_start_xmit = netxen_nic_xmit_frame,
- .ndo_get_stats64 = netxen_nic_get_stats,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_set_multicast_list = netxen_set_multicast_list,
- .ndo_set_mac_address = netxen_nic_set_mac,
- .ndo_change_mtu = netxen_nic_change_mtu,
- .ndo_tx_timeout = netxen_tx_timeout,
- .ndo_fix_features = netxen_fix_features,
- .ndo_set_features = netxen_set_features,
-#ifdef CONFIG_NET_POLL_CONTROLLER
- .ndo_poll_controller = netxen_nic_poll_controller,
-#endif
-};
-
-static void
-netxen_setup_intr(struct netxen_adapter *adapter)
-{
- struct netxen_legacy_intr_set *legacy_intrp;
- struct pci_dev *pdev = adapter->pdev;
- int err, num_msix;
-
- if (adapter->rss_supported) {
- num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
- MSIX_ENTRIES_PER_ADAPTER : 2;
- } else
- num_msix = 1;
-
- adapter->max_sds_rings = 1;
-
- adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
-
- if (adapter->ahw.revision_id >= NX_P3_B0)
- legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
- else
- legacy_intrp = &legacy_intr[0];
-
- adapter->int_vec_bit = legacy_intrp->int_vec_bit;
- adapter->tgt_status_reg = netxen_get_ioaddr(adapter,
- legacy_intrp->tgt_status_reg);
- adapter->tgt_mask_reg = netxen_get_ioaddr(adapter,
- legacy_intrp->tgt_mask_reg);
- adapter->pci_int_reg = netxen_get_ioaddr(adapter,
- legacy_intrp->pci_int_reg);
- adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR);
-
- if (adapter->ahw.revision_id >= NX_P3_B1)
- adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
- ISR_INT_STATE_REG);
- else
- adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
- CRB_INT_VECTOR);
-
- netxen_set_msix_bit(pdev, 0);
-
- if (adapter->msix_supported) {
-
- netxen_init_msix_entries(adapter, num_msix);
- err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
- if (err == 0) {
- adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
- netxen_set_msix_bit(pdev, 1);
-
- if (adapter->rss_supported)
- adapter->max_sds_rings = num_msix;
-
- dev_info(&pdev->dev, "using msi-x interrupts\n");
- return;
- }
-
- if (err > 0)
- pci_disable_msix(pdev);
-
- /* fall through for msi */
- }
-
- if (use_msi && !pci_enable_msi(pdev)) {
- adapter->flags |= NETXEN_NIC_MSI_ENABLED;
- adapter->tgt_status_reg = netxen_get_ioaddr(adapter,
- msi_tgt_status[adapter->ahw.pci_func]);
- dev_info(&pdev->dev, "using msi interrupts\n");
- adapter->msix_entries[0].vector = pdev->irq;
- return;
- }
-
- dev_info(&pdev->dev, "using legacy interrupts\n");
- adapter->msix_entries[0].vector = pdev->irq;
-}
-
-static void
-netxen_teardown_intr(struct netxen_adapter *adapter)
-{
- if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
- pci_disable_msix(adapter->pdev);
- if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
- pci_disable_msi(adapter->pdev);
-}
-
-static void
-netxen_cleanup_pci_map(struct netxen_adapter *adapter)
-{
- if (adapter->ahw.db_base != NULL)
- iounmap(adapter->ahw.db_base);
- if (adapter->ahw.pci_base0 != NULL)
- iounmap(adapter->ahw.pci_base0);
- if (adapter->ahw.pci_base1 != NULL)
- iounmap(adapter->ahw.pci_base1);
- if (adapter->ahw.pci_base2 != NULL)
- iounmap(adapter->ahw.pci_base2);
-}
-
-static int
-netxen_setup_pci_map(struct netxen_adapter *adapter)
-{
- void __iomem *db_ptr = NULL;
-
- resource_size_t mem_base, db_base;
- unsigned long mem_len, db_len = 0;
-
- struct pci_dev *pdev = adapter->pdev;
- int pci_func = adapter->ahw.pci_func;
- struct netxen_hardware_context *ahw = &adapter->ahw;
-
- int err = 0;
-
- /*
- * Set the CRB window to invalid. If any register in window 0 is
- * accessed it should set the window to 0 and then reset it to 1.
- */
- adapter->ahw.crb_win = -1;
- adapter->ahw.ocm_win = -1;
-
- /* remap phys address */
- mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
- mem_len = pci_resource_len(pdev, 0);
-
- /* 128 Meg of memory */
- if (mem_len == NETXEN_PCI_128MB_SIZE) {
-
- ahw->pci_base0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
- ahw->pci_base1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
- SECOND_PAGE_GROUP_SIZE);
- ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
- THIRD_PAGE_GROUP_SIZE);
- if (ahw->pci_base0 == NULL || ahw->pci_base1 == NULL ||
- ahw->pci_base2 == NULL) {
- dev_err(&pdev->dev, "failed to map PCI bar 0\n");
- err = -EIO;
- goto err_out;
- }
-
- ahw->pci_len0 = FIRST_PAGE_GROUP_SIZE;
-
- } else if (mem_len == NETXEN_PCI_32MB_SIZE) {
-
- ahw->pci_base1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
- ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
- SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
- if (ahw->pci_base1 == NULL || ahw->pci_base2 == NULL) {
- dev_err(&pdev->dev, "failed to map PCI bar 0\n");
- err = -EIO;
- goto err_out;
- }
-
- } else if (mem_len == NETXEN_PCI_2MB_SIZE) {
-
- ahw->pci_base0 = pci_ioremap_bar(pdev, 0);
- if (ahw->pci_base0 == NULL) {
- dev_err(&pdev->dev, "failed to map PCI bar 0\n");
- return -EIO;
- }
- ahw->pci_len0 = mem_len;
- } else {
- return -EIO;
- }
-
- netxen_setup_hwops(adapter);
-
- dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
-
- if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
- adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
- NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func)));
-
- } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
- adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
- NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func)));
- }
-
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
- goto skip_doorbell;
-
- db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
- db_len = pci_resource_len(pdev, 4);
-
- if (db_len == 0) {
- printk(KERN_ERR "%s: doorbell is disabled\n",
- netxen_nic_driver_name);
- err = -EIO;
- goto err_out;
- }
-
- db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
- if (!db_ptr) {
- printk(KERN_ERR "%s: Failed to allocate doorbell map.",
- netxen_nic_driver_name);
- err = -EIO;
- goto err_out;
- }
-
-skip_doorbell:
- adapter->ahw.db_base = db_ptr;
- adapter->ahw.db_len = db_len;
- return 0;
-
-err_out:
- netxen_cleanup_pci_map(adapter);
- return err;
-}
-
-static void
-netxen_check_options(struct netxen_adapter *adapter)
-{
- u32 fw_major, fw_minor, fw_build;
- char brd_name[NETXEN_MAX_SHORT_NAME];
- char serial_num[32];
- int i, offset, val;
- int *ptr32;
- struct pci_dev *pdev = adapter->pdev;
-
- adapter->driver_mismatch = 0;
-
- ptr32 = (int *)&serial_num;
- offset = NX_FW_SERIAL_NUM_OFFSET;
- for (i = 0; i < 8; i++) {
- if (netxen_rom_fast_read(adapter, offset, &val) == -1) {
- dev_err(&pdev->dev, "error reading board info\n");
- adapter->driver_mismatch = 1;
- return;
- }
- ptr32[i] = cpu_to_le32(val);
- offset += sizeof(u32);
- }
-
- fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
- fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
- fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
-
- adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
-
- if (adapter->portnum == 0) {
- get_brd_name_by_type(adapter->ahw.board_type, brd_name);
-
- pr_info("%s: %s Board S/N %s Chip rev 0x%x\n",
- module_name(THIS_MODULE),
- brd_name, serial_num, adapter->ahw.revision_id);
- }
-
- if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) {
- adapter->driver_mismatch = 1;
- dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n",
- fw_major, fw_minor, fw_build);
- return;
- }
-
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
- i = NXRD32(adapter, NETXEN_SRE_MISC);
- adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0;
- }
-
- dev_info(&pdev->dev, "firmware v%d.%d.%d [%s]\n",
- fw_major, fw_minor, fw_build,
- adapter->ahw.cut_through ? "cut-through" : "legacy");
-
- if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222))
- adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
-
- if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
- adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
- adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
- } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
- adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
- adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
- }
-
- adapter->msix_supported = 0;
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
- adapter->msix_supported = !!use_msi_x;
- adapter->rss_supported = !!use_msi_x;
- } else {
- u32 flashed_ver = 0;
- netxen_rom_fast_read(adapter,
- NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
- flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
-
- if (flashed_ver >= NETXEN_VERSION_CODE(3, 4, 336)) {
- switch (adapter->ahw.board_type) {
- case NETXEN_BRDTYPE_P2_SB31_10G:
- case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
- adapter->msix_supported = !!use_msi_x;
- adapter->rss_supported = !!use_msi_x;
- break;
- default:
- break;
- }
- }
- }
-
- adapter->num_txd = MAX_CMD_DESCRIPTORS;
-
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
- adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
- adapter->max_rds_rings = 3;
- } else {
- adapter->num_lro_rxd = 0;
- adapter->max_rds_rings = 2;
- }
-}
-
-static int
-netxen_start_firmware(struct netxen_adapter *adapter)
-{
- int val, err, first_boot;
- struct pci_dev *pdev = adapter->pdev;
-
- /* required for NX2031 dummy dma */
- err = nx_set_dma_mask(adapter);
- if (err)
- return err;
-
- if (!netxen_can_start_firmware(adapter))
- goto wait_init;
-
- first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
-
- err = netxen_check_hw_init(adapter, first_boot);
- if (err) {
- dev_err(&pdev->dev, "error in init HW init sequence\n");
- return err;
- }
-
- netxen_request_firmware(adapter);
-
- err = netxen_need_fw_reset(adapter);
- if (err < 0)
- goto err_out;
- if (err == 0)
- goto wait_init;
-
- if (first_boot != 0x55555555) {
- NXWR32(adapter, CRB_CMDPEG_STATE, 0);
- netxen_pinit_from_rom(adapter);
- msleep(1);
- }
-
- NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555);
- NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0);
- NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0);
-
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
- netxen_set_port_mode(adapter);
-
- err = netxen_load_firmware(adapter);
- if (err)
- goto err_out;
-
- netxen_release_firmware(adapter);
-
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
-
- /* Initialize multicast addr pool owners */
- val = 0x7654;
- if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
- val |= 0x0f000000;
- NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
-
- }
-
- err = netxen_init_dummy_dma(adapter);
- if (err)
- goto err_out;
-
- /*
- * Tell the hardware our version number.
- */
- val = (_NETXEN_NIC_LINUX_MAJOR << 16)
- | ((_NETXEN_NIC_LINUX_MINOR << 8))
- | (_NETXEN_NIC_LINUX_SUBVERSION);
- NXWR32(adapter, CRB_DRIVER_VERSION, val);
-
-wait_init:
- /* Handshake with the card before we register the devices. */
- err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
- if (err) {
- netxen_free_dummy_dma(adapter);
- goto err_out;
- }
-
- NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
-
- nx_update_dma_mask(adapter);
-
- netxen_check_options(adapter);
-
- adapter->need_fw_reset = 0;
-
- /* fall through and release firmware */
-
-err_out:
- netxen_release_firmware(adapter);
- return err;
-}
-
-static int
-netxen_nic_request_irq(struct netxen_adapter *adapter)
-{
- irq_handler_t handler;
- struct nx_host_sds_ring *sds_ring;
- int err, ring;
-
- unsigned long flags = 0;
- struct net_device *netdev = adapter->netdev;
- struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
-
- if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
- handler = netxen_msix_intr;
- else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
- handler = netxen_msi_intr;
- else {
- flags |= IRQF_SHARED;
- handler = netxen_intr;
- }
- adapter->irq = netdev->irq;
-
- for (ring = 0; ring < adapter->max_sds_rings; ring++) {
- sds_ring = &recv_ctx->sds_rings[ring];
- sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
- err = request_irq(sds_ring->irq, handler,
- flags, sds_ring->name, sds_ring);
- if (err)
- return err;
- }
-
- return 0;
-}
-
-static void
-netxen_nic_free_irq(struct netxen_adapter *adapter)
-{
- int ring;
- struct nx_host_sds_ring *sds_ring;
-
- struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
-
- for (ring = 0; ring < adapter->max_sds_rings; ring++) {
- sds_ring = &recv_ctx->sds_rings[ring];
- free_irq(sds_ring->irq, sds_ring);
- }
-}
-
-static void
-netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter)
-{
- adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
- adapter->coal.normal.data.rx_time_us =
- NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
- adapter->coal.normal.data.rx_packets =
- NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
- adapter->coal.normal.data.tx_time_us =
- NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US;
- adapter->coal.normal.data.tx_packets =
- NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS;
-}
-
-/* with rtnl_lock */
-static int
-__netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
-{
- int err;
-
- if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
- return -EIO;
-
- err = adapter->init_port(adapter, adapter->physical_port);
- if (err) {
- printk(KERN_ERR "%s: Failed to initialize port %d\n",
- netxen_nic_driver_name, adapter->portnum);
- return err;
- }
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
- adapter->macaddr_set(adapter, adapter->mac_addr);
-
- adapter->set_multi(netdev);
- adapter->set_mtu(adapter, netdev->mtu);
-
- adapter->ahw.linkup = 0;
-
- if (adapter->max_sds_rings > 1)
- netxen_config_rss(adapter, 1);
-
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
- netxen_config_intr_coalesce(adapter);
-
- if (netdev->features & NETIF_F_LRO)
- netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED);
-
- netxen_napi_enable(adapter);
-
- if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
- netxen_linkevent_request(adapter, 1);
- else
- netxen_nic_set_link_parameters(adapter);
-
- set_bit(__NX_DEV_UP, &adapter->state);
- return 0;
-}
-
-/* Usage: During resume and firmware recovery module.*/
-
-static inline int
-netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
-{
- int err = 0;
-
- rtnl_lock();
- if (netif_running(netdev))
- err = __netxen_nic_up(adapter, netdev);
- rtnl_unlock();
-
- return err;
-}
-
-/* with rtnl_lock */
-static void
-__netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
-{
- if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
- return;
-
- if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state))
- return;
-
- smp_mb();
- spin_lock(&adapter->tx_clean_lock);
- netif_carrier_off(netdev);
- netif_tx_disable(netdev);
-
- if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
- netxen_linkevent_request(adapter, 0);
-
- if (adapter->stop_port)
- adapter->stop_port(adapter);
-
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
- netxen_p3_free_mac_list(adapter);
-
- adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE);
-
- netxen_napi_disable(adapter);
-
- netxen_release_tx_buffers(adapter);
- spin_unlock(&adapter->tx_clean_lock);
-}
-
-/* Usage: During suspend and firmware recovery module */
-
-static inline void
-netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
-{
- rtnl_lock();
- if (netif_running(netdev))
- __netxen_nic_down(adapter, netdev);
- rtnl_unlock();
-
-}
-
-static int
-netxen_nic_attach(struct netxen_adapter *adapter)
-{
- struct net_device *netdev = adapter->netdev;
- struct pci_dev *pdev = adapter->pdev;
- int err, ring;
- struct nx_host_rds_ring *rds_ring;
- struct nx_host_tx_ring *tx_ring;
-
- if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
- return 0;
-
- err = netxen_init_firmware(adapter);
- if (err)
- return err;
-
- err = netxen_napi_add(adapter, netdev);
- if (err)
- return err;
-
- err = netxen_alloc_sw_resources(adapter);
- if (err) {
- printk(KERN_ERR "%s: Error in setting sw resources\n",
- netdev->name);
- return err;
- }
-
- err = netxen_alloc_hw_resources(adapter);
- if (err) {
- printk(KERN_ERR "%s: Error in setting hw resources\n",
- netdev->name);
- goto err_out_free_sw;
- }
-
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
- tx_ring = adapter->tx_ring;
- tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
- crb_cmd_producer[adapter->portnum]);
- tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter,
- crb_cmd_consumer[adapter->portnum]);
-
- tx_ring->producer = 0;
- tx_ring->sw_consumer = 0;
-
- netxen_nic_update_cmd_producer(adapter, tx_ring);
- netxen_nic_update_cmd_consumer(adapter, tx_ring);
- }
-
- for (ring = 0; ring < adapter->max_rds_rings; ring++) {
- rds_ring = &adapter->recv_ctx.rds_rings[ring];
- netxen_post_rx_buffers(adapter, ring, rds_ring);
- }
-
- err = netxen_nic_request_irq(adapter);
- if (err) {
- dev_err(&pdev->dev, "%s: failed to setup interrupt\n",
- netdev->name);
- goto err_out_free_rxbuf;
- }
-
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
- netxen_nic_init_coalesce_defaults(adapter);
-
- netxen_create_sysfs_entries(adapter);
-
- adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
- return 0;
-
-err_out_free_rxbuf:
- netxen_release_rx_buffers(adapter);
- netxen_free_hw_resources(adapter);
-err_out_free_sw:
- netxen_free_sw_resources(adapter);
- return err;
-}
-
-static void
-netxen_nic_detach(struct netxen_adapter *adapter)
-{
- if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
- return;
-
- netxen_remove_sysfs_entries(adapter);
-
- netxen_free_hw_resources(adapter);
- netxen_release_rx_buffers(adapter);
- netxen_nic_free_irq(adapter);
- netxen_napi_del(adapter);
- netxen_free_sw_resources(adapter);
-
- adapter->is_up = 0;
-}
-
-int
-netxen_nic_reset_context(struct netxen_adapter *adapter)
-{
- int err = 0;
- struct net_device *netdev = adapter->netdev;
-
- if (test_and_set_bit(__NX_RESETTING, &adapter->state))
- return -EBUSY;
-
- if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
-
- netif_device_detach(netdev);
-
- if (netif_running(netdev))
- __netxen_nic_down(adapter, netdev);
-
- netxen_nic_detach(adapter);
-
- if (netif_running(netdev)) {
- err = netxen_nic_attach(adapter);
- if (!err)
- err = __netxen_nic_up(adapter, netdev);
-
- if (err)
- goto done;
- }
-
- netif_device_attach(netdev);
- }
-
-done:
- clear_bit(__NX_RESETTING, &adapter->state);
- return err;
-}
-
-static int
-netxen_setup_netdev(struct netxen_adapter *adapter,
- struct net_device *netdev)
-{
- int err = 0;
- struct pci_dev *pdev = adapter->pdev;
-
- adapter->mc_enabled = 0;
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
- adapter->max_mc_count = 38;
- else
- adapter->max_mc_count = 16;
-
- netdev->netdev_ops = &netxen_netdev_ops;
- netdev->watchdog_timeo = 5*HZ;
-
- netxen_nic_change_mtu(netdev, netdev->mtu);
-
- SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
-
- netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
- NETIF_F_RXCSUM;
-
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
- netdev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
-
- netdev->vlan_features |= netdev->hw_features;
-
- if (adapter->pci_using_dac) {
- netdev->features |= NETIF_F_HIGHDMA;
- netdev->vlan_features |= NETIF_F_HIGHDMA;
- }
-
- if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX)
- netdev->hw_features |= NETIF_F_HW_VLAN_TX;
-
- if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
- netdev->hw_features |= NETIF_F_LRO;
-
- netdev->features |= netdev->hw_features;
-
- netdev->irq = adapter->msix_entries[0].vector;
-
- INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
-
- if (netxen_read_mac_addr(adapter))
- dev_warn(&pdev->dev, "failed to read mac addr\n");
-
- netif_carrier_off(netdev);
-
- err = register_netdev(netdev);
- if (err) {
- dev_err(&pdev->dev, "failed to register net device\n");
- return err;
- }
-
- return 0;
-}
-
-#ifdef CONFIG_PCIEAER
-static void netxen_mask_aer_correctable(struct netxen_adapter *adapter)
-{
- struct pci_dev *pdev = adapter->pdev;
- struct pci_dev *root = pdev->bus->self;
- u32 aer_pos;
-
- if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM &&
- adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP)
- return;
-
- if (root->pcie_type != PCI_EXP_TYPE_ROOT_PORT)
- return;
-
- aer_pos = pci_find_ext_capability(root, PCI_EXT_CAP_ID_ERR);
- if (!aer_pos)
- return;
-
- pci_write_config_dword(root, aer_pos + PCI_ERR_COR_MASK, 0xffff);
-}
-#endif
-
-static int __devinit
-netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
- struct net_device *netdev = NULL;
- struct netxen_adapter *adapter = NULL;
- int i = 0, err;
- int pci_func_id = PCI_FUNC(pdev->devfn);
- uint8_t revision_id;
- u32 val;
-
- if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) {
- pr_warning("%s: chip revisions between 0x%x-0x%x "
- "will not be enabled.\n",
- module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
- return -ENODEV;
- }
-
- if ((err = pci_enable_device(pdev)))
- return err;
-
- if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
- err = -ENODEV;
- goto err_out_disable_pdev;
- }
-
- if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
- goto err_out_disable_pdev;
-
- if (NX_IS_REVISION_P3(pdev->revision))
- pci_enable_pcie_error_reporting(pdev);
-
- pci_set_master(pdev);
-
- netdev = alloc_etherdev(sizeof(struct netxen_adapter));
- if(!netdev) {
- dev_err(&pdev->dev, "failed to allocate net_device\n");
- err = -ENOMEM;
- goto err_out_free_res;
- }
-
- SET_NETDEV_DEV(netdev, &pdev->dev);
-
- adapter = netdev_priv(netdev);
- adapter->netdev = netdev;
- adapter->pdev = pdev;
- adapter->ahw.pci_func = pci_func_id;
-
- revision_id = pdev->revision;
- adapter->ahw.revision_id = revision_id;
-
- rwlock_init(&adapter->ahw.crb_lock);
- spin_lock_init(&adapter->ahw.mem_lock);
-
- spin_lock_init(&adapter->tx_clean_lock);
- INIT_LIST_HEAD(&adapter->mac_list);
- INIT_LIST_HEAD(&adapter->vlan_ip_list);
-
- err = netxen_setup_pci_map(adapter);
- if (err)
- goto err_out_free_netdev;
-
- /* This will be reset for mezz cards */
- adapter->portnum = pci_func_id;
-
- err = netxen_nic_get_board_info(adapter);
- if (err) {
- dev_err(&pdev->dev, "Error getting board config info.\n");
- goto err_out_iounmap;
- }
-
-#ifdef CONFIG_PCIEAER
- netxen_mask_aer_correctable(adapter);
-#endif
-
- /* Mezz cards have PCI function 0,2,3 enabled */
- switch (adapter->ahw.board_type) {
- case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
- case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
- if (pci_func_id >= 2)
- adapter->portnum = pci_func_id - 2;
- break;
- default:
- break;
- }
-
- err = netxen_check_flash_fw_compatibility(adapter);
- if (err)
- goto err_out_iounmap;
-
- if (adapter->portnum == 0) {
- val = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
- if (val != 0xffffffff && val != 0) {
- NXWR32(adapter, NX_CRB_DEV_REF_COUNT, 0);
- adapter->need_fw_reset = 1;
- }
- }
-
- err = netxen_start_firmware(adapter);
- if (err)
- goto err_out_decr_ref;
-
- /*
- * See if the firmware gave us a virtual-physical port mapping.
- */
- adapter->physical_port = adapter->portnum;
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
- i = NXRD32(adapter, CRB_V2P(adapter->portnum));
- if (i != 0x55555555)
- adapter->physical_port = i;
- }
-
- netxen_nic_clear_stats(adapter);
-
- netxen_setup_intr(adapter);
-
- err = netxen_setup_netdev(adapter, netdev);
- if (err)
- goto err_out_disable_msi;
-
- pci_set_drvdata(pdev, adapter);
-
- netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
-
- switch (adapter->ahw.port_type) {
- case NETXEN_NIC_GBE:
- dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
- adapter->netdev->name);
- break;
- case NETXEN_NIC_XGBE:
- dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
- adapter->netdev->name);
- break;
- }
-
- netxen_create_diag_entries(adapter);
-
- return 0;
-
-err_out_disable_msi:
- netxen_teardown_intr(adapter);
-
- netxen_free_dummy_dma(adapter);
-
-err_out_decr_ref:
- nx_decr_dev_ref_cnt(adapter);
-
-err_out_iounmap:
- netxen_cleanup_pci_map(adapter);
-
-err_out_free_netdev:
- free_netdev(netdev);
-
-err_out_free_res:
- pci_release_regions(pdev);
-
-err_out_disable_pdev:
- pci_set_drvdata(pdev, NULL);
- pci_disable_device(pdev);
- return err;
-}
-
-static void __devexit netxen_nic_remove(struct pci_dev *pdev)
-{
- struct netxen_adapter *adapter;
- struct net_device *netdev;
-
- adapter = pci_get_drvdata(pdev);
- if (adapter == NULL)
- return;
-
- netdev = adapter->netdev;
-
- netxen_cancel_fw_work(adapter);
-
- unregister_netdev(netdev);
-
- cancel_work_sync(&adapter->tx_timeout_task);
-
- netxen_free_vlan_ip_list(adapter);
- netxen_nic_detach(adapter);
-
- nx_decr_dev_ref_cnt(adapter);
-
- if (adapter->portnum == 0)
- netxen_free_dummy_dma(adapter);
-
- clear_bit(__NX_RESETTING, &adapter->state);
-
- netxen_teardown_intr(adapter);
-
- netxen_remove_diag_entries(adapter);
-
- netxen_cleanup_pci_map(adapter);
-
- netxen_release_firmware(adapter);
-
- if (NX_IS_REVISION_P3(pdev->revision))
- pci_disable_pcie_error_reporting(pdev);
-
- pci_release_regions(pdev);
- pci_disable_device(pdev);
- pci_set_drvdata(pdev, NULL);
-
- free_netdev(netdev);
-}
-
-static void netxen_nic_detach_func(struct netxen_adapter *adapter)
-{
- struct net_device *netdev = adapter->netdev;
-
- netif_device_detach(netdev);
-
- netxen_cancel_fw_work(adapter);
-
- if (netif_running(netdev))
- netxen_nic_down(adapter, netdev);
-
- cancel_work_sync(&adapter->tx_timeout_task);
-
- netxen_nic_detach(adapter);
-
- if (adapter->portnum == 0)
- netxen_free_dummy_dma(adapter);
-
- nx_decr_dev_ref_cnt(adapter);
-
- clear_bit(__NX_RESETTING, &adapter->state);
-}
-
-static int netxen_nic_attach_func(struct pci_dev *pdev)
-{
- struct netxen_adapter *adapter = pci_get_drvdata(pdev);
- struct net_device *netdev = adapter->netdev;
- int err;
-
- err = pci_enable_device(pdev);
- if (err)
- return err;
-
- pci_set_power_state(pdev, PCI_D0);
- pci_set_master(pdev);
- pci_restore_state(pdev);
-
- adapter->ahw.crb_win = -1;
- adapter->ahw.ocm_win = -1;
-
- err = netxen_start_firmware(adapter);
- if (err) {
- dev_err(&pdev->dev, "failed to start firmware\n");
- return err;
- }
-
- if (netif_running(netdev)) {
- err = netxen_nic_attach(adapter);
- if (err)
- goto err_out;
-
- err = netxen_nic_up(adapter, netdev);
- if (err)
- goto err_out_detach;
-
- netxen_restore_indev_addr(netdev, NETDEV_UP);
- }
-
- netif_device_attach(netdev);
- netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
- return 0;
-
-err_out_detach:
- netxen_nic_detach(adapter);
-err_out:
- nx_decr_dev_ref_cnt(adapter);
- return err;
-}
-
-static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev,
- pci_channel_state_t state)
-{
- struct netxen_adapter *adapter = pci_get_drvdata(pdev);
-
- if (state == pci_channel_io_perm_failure)
- return PCI_ERS_RESULT_DISCONNECT;
-
- if (nx_dev_request_aer(adapter))
- return PCI_ERS_RESULT_RECOVERED;
-
- netxen_nic_detach_func(adapter);
-
- pci_disable_device(pdev);
-
- return PCI_ERS_RESULT_NEED_RESET;
-}
-
-static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev)
-{
- int err = 0;
-
- err = netxen_nic_attach_func(pdev);
-
- return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
-}
-
-static void netxen_io_resume(struct pci_dev *pdev)
-{
- pci_cleanup_aer_uncorrect_error_status(pdev);
-}
-
-static void netxen_nic_shutdown(struct pci_dev *pdev)
-{
- struct netxen_adapter *adapter = pci_get_drvdata(pdev);
-
- netxen_nic_detach_func(adapter);
-
- if (pci_save_state(pdev))
- return;
-
- if (netxen_nic_wol_supported(adapter)) {
- pci_enable_wake(pdev, PCI_D3cold, 1);
- pci_enable_wake(pdev, PCI_D3hot, 1);
- }
-
- pci_disable_device(pdev);
-}
-
-#ifdef CONFIG_PM
-static int
-netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
-{
- struct netxen_adapter *adapter = pci_get_drvdata(pdev);
- int retval;
-
- netxen_nic_detach_func(adapter);
-
- retval = pci_save_state(pdev);
- if (retval)
- return retval;
-
- if (netxen_nic_wol_supported(adapter)) {
- pci_enable_wake(pdev, PCI_D3cold, 1);
- pci_enable_wake(pdev, PCI_D3hot, 1);
- }
-
- pci_disable_device(pdev);
- pci_set_power_state(pdev, pci_choose_state(pdev, state));
-
- return 0;
-}
-
-static int
-netxen_nic_resume(struct pci_dev *pdev)
-{
- return netxen_nic_attach_func(pdev);
-}
-#endif
-
-static int netxen_nic_open(struct net_device *netdev)
-{
- struct netxen_adapter *adapter = netdev_priv(netdev);
- int err = 0;
-
- if (adapter->driver_mismatch)
- return -EIO;
-
- err = netxen_nic_attach(adapter);
- if (err)
- return err;
-
- err = __netxen_nic_up(adapter, netdev);
- if (err)
- goto err_out;
-
- netif_start_queue(netdev);
-
- return 0;
-
-err_out:
- netxen_nic_detach(adapter);
- return err;
-}
-
-/*
- * netxen_nic_close - Disables a network interface entry point
- */
-static int netxen_nic_close(struct net_device *netdev)
-{
- struct netxen_adapter *adapter = netdev_priv(netdev);
-
- __netxen_nic_down(adapter, netdev);
- return 0;
-}
-
-static void
-netxen_tso_check(struct net_device *netdev,
- struct nx_host_tx_ring *tx_ring,
- struct cmd_desc_type0 *first_desc,
- struct sk_buff *skb)
-{
- u8 opcode = TX_ETHER_PKT;
- __be16 protocol = skb->protocol;
- u16 flags = 0, vid = 0;
- u32 producer;
- int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
- struct cmd_desc_type0 *hwdesc;
- struct vlan_ethhdr *vh;
-
- if (protocol == cpu_to_be16(ETH_P_8021Q)) {
-
- vh = (struct vlan_ethhdr *)skb->data;
- protocol = vh->h_vlan_encapsulated_proto;
- flags = FLAGS_VLAN_TAGGED;
-
- } else if (vlan_tx_tag_present(skb)) {
-
- flags = FLAGS_VLAN_OOB;
- vid = vlan_tx_tag_get(skb);
- netxen_set_tx_vlan_tci(first_desc, vid);
- vlan_oob = 1;
- }
-
- if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
- skb_shinfo(skb)->gso_size > 0) {
-
- hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
-
- first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
- first_desc->total_hdr_length = hdr_len;
- if (vlan_oob) {
- first_desc->total_hdr_length += VLAN_HLEN;
- first_desc->tcp_hdr_offset = VLAN_HLEN;
- first_desc->ip_hdr_offset = VLAN_HLEN;
- /* Only in case of TSO on vlan device */
- flags |= FLAGS_VLAN_TAGGED;
- }
-
- opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
- TX_TCP_LSO6 : TX_TCP_LSO;
- tso = 1;
-
- } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
- u8 l4proto;
-
- if (protocol == cpu_to_be16(ETH_P_IP)) {
- l4proto = ip_hdr(skb)->protocol;
-
- if (l4proto == IPPROTO_TCP)
- opcode = TX_TCP_PKT;
- else if(l4proto == IPPROTO_UDP)
- opcode = TX_UDP_PKT;
- } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
- l4proto = ipv6_hdr(skb)->nexthdr;
-
- if (l4proto == IPPROTO_TCP)
- opcode = TX_TCPV6_PKT;
- else if(l4proto == IPPROTO_UDP)
- opcode = TX_UDPV6_PKT;
- }
- }
-
- first_desc->tcp_hdr_offset += skb_transport_offset(skb);
- first_desc->ip_hdr_offset += skb_network_offset(skb);
- netxen_set_tx_flags_opcode(first_desc, flags, opcode);
-
- if (!tso)
- return;
-
- /* For LSO, we need to copy the MAC/IP/TCP headers into
- * the descriptor ring
- */
- producer = tx_ring->producer;
- copied = 0;
- offset = 2;
-
- if (vlan_oob) {
- /* Create a TSO vlan header template for firmware */
-
- hwdesc = &tx_ring->desc_head[producer];
- tx_ring->cmd_buf_arr[producer].skb = NULL;
-
- copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
- hdr_len + VLAN_HLEN);
-
- vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
- skb_copy_from_linear_data(skb, vh, 12);
- vh->h_vlan_proto = htons(ETH_P_8021Q);
- vh->h_vlan_TCI = htons(vid);
- skb_copy_from_linear_data_offset(skb, 12,
- (char *)vh + 16, copy_len - 16);
-
- copied = copy_len - VLAN_HLEN;
- offset = 0;
-
- producer = get_next_index(producer, tx_ring->num_desc);
- }
-
- while (copied < hdr_len) {
-
- copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
- (hdr_len - copied));
-
- hwdesc = &tx_ring->desc_head[producer];
- tx_ring->cmd_buf_arr[producer].skb = NULL;
-
- skb_copy_from_linear_data_offset(skb, copied,
- (char *)hwdesc + offset, copy_len);
-
- copied += copy_len;
- offset = 0;
-
- producer = get_next_index(producer, tx_ring->num_desc);
- }
-
- tx_ring->producer = producer;
- barrier();
-}
-
-static int
-netxen_map_tx_skb(struct pci_dev *pdev,
- struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
-{
- struct netxen_skb_frag *nf;
- struct skb_frag_struct *frag;
- int i, nr_frags;
- dma_addr_t map;
-
- nr_frags = skb_shinfo(skb)->nr_frags;
- nf = &pbuf->frag_array[0];
-
- map = pci_map_single(pdev, skb->data,
- skb_headlen(skb), PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(pdev, map))
- goto out_err;
-
- nf->dma = map;
- nf->length = skb_headlen(skb);
-
- for (i = 0; i < nr_frags; i++) {
- frag = &skb_shinfo(skb)->frags[i];
- nf = &pbuf->frag_array[i+1];
-
- map = pci_map_page(pdev, frag->page, frag->page_offset,
- frag->size, PCI_DMA_TODEVICE);
- if (pci_dma_mapping_error(pdev, map))
- goto unwind;
-
- nf->dma = map;
- nf->length = frag->size;
- }
-
- return 0;
-
-unwind:
- while (--i >= 0) {
- nf = &pbuf->frag_array[i+1];
- pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
- }
-
- nf = &pbuf->frag_array[0];
- pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
-
-out_err:
- return -ENOMEM;
-}
-
-static inline void
-netxen_clear_cmddesc(u64 *desc)
-{
- desc[0] = 0ULL;
- desc[2] = 0ULL;
-}
-
-static netdev_tx_t
-netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
-{
- struct netxen_adapter *adapter = netdev_priv(netdev);
- struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
- struct netxen_cmd_buffer *pbuf;
- struct netxen_skb_frag *buffrag;
- struct cmd_desc_type0 *hwdesc, *first_desc;
- struct pci_dev *pdev;
- int i, k;
- int delta = 0;
- struct skb_frag_struct *frag;
-
- u32 producer;
- int frag_count, no_of_desc;
- u32 num_txd = tx_ring->num_desc;
-
- frag_count = skb_shinfo(skb)->nr_frags + 1;
-
- /* 14 frags supported for normal packet and
- * 32 frags supported for TSO packet
- */
- if (!skb_is_gso(skb) && frag_count > NETXEN_MAX_FRAGS_PER_TX) {
-
- for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) {
- frag = &skb_shinfo(skb)->frags[i];
- delta += frag->size;
- }
-
- if (!__pskb_pull_tail(skb, delta))
- goto drop_packet;
-
- frag_count = 1 + skb_shinfo(skb)->nr_frags;
- }
- /* 4 fragments per cmd des */
- no_of_desc = (frag_count + 3) >> 2;
-
- if (unlikely(netxen_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
- netif_stop_queue(netdev);
- smp_mb();
- if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
- netif_start_queue(netdev);
- else
- return NETDEV_TX_BUSY;
- }
-
- producer = tx_ring->producer;
- pbuf = &tx_ring->cmd_buf_arr[producer];
-
- pdev = adapter->pdev;
-
- if (netxen_map_tx_skb(pdev, skb, pbuf))
- goto drop_packet;
-
- pbuf->skb = skb;
- pbuf->frag_count = frag_count;
-
- first_desc = hwdesc = &tx_ring->desc_head[producer];
- netxen_clear_cmddesc((u64 *)hwdesc);
-
- netxen_set_tx_frags_len(first_desc, frag_count, skb->len);
- netxen_set_tx_port(first_desc, adapter->portnum);
-
- for (i = 0; i < frag_count; i++) {
-
- k = i % 4;
-
- if ((k == 0) && (i > 0)) {
- /* move to next desc.*/
- producer = get_next_index(producer, num_txd);
- hwdesc = &tx_ring->desc_head[producer];
- netxen_clear_cmddesc((u64 *)hwdesc);
- tx_ring->cmd_buf_arr[producer].skb = NULL;
- }
-
- buffrag = &pbuf->frag_array[i];
-
- hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
- switch (k) {
- case 0:
- hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
- break;
- case 1:
- hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
- break;
- case 2:
- hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
- break;
- case 3:
- hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
- break;
- }
- }
-
- tx_ring->producer = get_next_index(producer, num_txd);
-
- netxen_tso_check(netdev, tx_ring, first_desc, skb);
-
- adapter->stats.txbytes += skb->len;
- adapter->stats.xmitcalled++;
-
- netxen_nic_update_cmd_producer(adapter, tx_ring);
-
- return NETDEV_TX_OK;
-
-drop_packet:
- adapter->stats.txdropped++;
- dev_kfree_skb_any(skb);
- return NETDEV_TX_OK;
-}
-
-static int netxen_nic_check_temp(struct netxen_adapter *adapter)
-{
- struct net_device *netdev = adapter->netdev;
- uint32_t temp, temp_state, temp_val;
- int rv = 0;
-
- temp = NXRD32(adapter, CRB_TEMP_STATE);
-
- temp_state = nx_get_temp_state(temp);
- temp_val = nx_get_temp_val(temp);
-
- if (temp_state == NX_TEMP_PANIC) {
- printk(KERN_ALERT
- "%s: Device temperature %d degrees C exceeds"
- " maximum allowed. Hardware has been shut down.\n",
- netdev->name, temp_val);
- rv = 1;
- } else if (temp_state == NX_TEMP_WARN) {
- if (adapter->temp == NX_TEMP_NORMAL) {
- printk(KERN_ALERT
- "%s: Device temperature %d degrees C "
- "exceeds operating range."
- " Immediate action needed.\n",
- netdev->name, temp_val);
- }
- } else {
- if (adapter->temp == NX_TEMP_WARN) {
- printk(KERN_INFO
- "%s: Device temperature is now %d degrees C"
- " in normal range.\n", netdev->name,
- temp_val);
- }
- }
- adapter->temp = temp_state;
- return rv;
-}
-
-void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
-{
- struct net_device *netdev = adapter->netdev;
-
- if (adapter->ahw.linkup && !linkup) {
- printk(KERN_INFO "%s: %s NIC Link is down\n",
- netxen_nic_driver_name, netdev->name);
- adapter->ahw.linkup = 0;
- if (netif_running(netdev)) {
- netif_carrier_off(netdev);
- netif_stop_queue(netdev);
- }
- adapter->link_changed = !adapter->has_link_events;
- } else if (!adapter->ahw.linkup && linkup) {
- printk(KERN_INFO "%s: %s NIC Link is up\n",
- netxen_nic_driver_name, netdev->name);
- adapter->ahw.linkup = 1;
- if (netif_running(netdev)) {
- netif_carrier_on(netdev);
- netif_wake_queue(netdev);
- }
- adapter->link_changed = !adapter->has_link_events;
- }
-}
-
-static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
-{
- u32 val, port, linkup;
-
- port = adapter->physical_port;
-
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
- val = NXRD32(adapter, CRB_XG_STATE_P3);
- val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
- linkup = (val == XG_LINK_UP_P3);
- } else {
- val = NXRD32(adapter, CRB_XG_STATE);
- val = (val >> port*8) & 0xff;
- linkup = (val == XG_LINK_UP);
- }
-
- netxen_advert_link_change(adapter, linkup);
-}
-
-static void netxen_tx_timeout(struct net_device *netdev)
-{
- struct netxen_adapter *adapter = netdev_priv(netdev);
-
- if (test_bit(__NX_RESETTING, &adapter->state))
- return;
-
- dev_err(&netdev->dev, "transmit timeout, resetting.\n");
- schedule_work(&adapter->tx_timeout_task);
-}
-
-static void netxen_tx_timeout_task(struct work_struct *work)
-{
- struct netxen_adapter *adapter =
- container_of(work, struct netxen_adapter, tx_timeout_task);
-
- if (!netif_running(adapter->netdev))
- return;
-
- if (test_and_set_bit(__NX_RESETTING, &adapter->state))
- return;
-
- if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS)
- goto request_reset;
-
- rtnl_lock();
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
- /* try to scrub interrupt */
- netxen_napi_disable(adapter);
-
- netxen_napi_enable(adapter);
-
- netif_wake_queue(adapter->netdev);
-
- clear_bit(__NX_RESETTING, &adapter->state);
- } else {
- clear_bit(__NX_RESETTING, &adapter->state);
- if (netxen_nic_reset_context(adapter)) {
- rtnl_unlock();
- goto request_reset;
- }
- }
- adapter->netdev->trans_start = jiffies;
- rtnl_unlock();
- return;
-
-request_reset:
- adapter->need_fw_reset = 1;
- clear_bit(__NX_RESETTING, &adapter->state);
-}
-
-static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *netdev,
- struct rtnl_link_stats64 *stats)
-{
- struct netxen_adapter *adapter = netdev_priv(netdev);
-
- stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
- stats->tx_packets = adapter->stats.xmitfinished;
- stats->rx_bytes = adapter->stats.rxbytes;
- stats->tx_bytes = adapter->stats.txbytes;
- stats->rx_dropped = adapter->stats.rxdropped;
- stats->tx_dropped = adapter->stats.txdropped;
-
- return stats;
-}
-
-static irqreturn_t netxen_intr(int irq, void *data)
-{
- struct nx_host_sds_ring *sds_ring = data;
- struct netxen_adapter *adapter = sds_ring->adapter;
- u32 status = 0;
-
- status = readl(adapter->isr_int_vec);
-
- if (!(status & adapter->int_vec_bit))
- return IRQ_NONE;
-
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
- /* check interrupt state machine, to be sure */
- status = readl(adapter->crb_int_state_reg);
- if (!ISR_LEGACY_INT_TRIGGERED(status))
- return IRQ_NONE;
-
- } else {
- unsigned long our_int = 0;
-
- our_int = readl(adapter->crb_int_state_reg);
-
- /* not our interrupt */
- if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
- return IRQ_NONE;
-
- /* claim interrupt */
- writel((our_int & 0xffffffff), adapter->crb_int_state_reg);
-
- /* clear interrupt */
- netxen_nic_disable_int(sds_ring);
- }
-
- writel(0xffffffff, adapter->tgt_status_reg);
- /* read twice to ensure write is flushed */
- readl(adapter->isr_int_vec);
- readl(adapter->isr_int_vec);
-
- napi_schedule(&sds_ring->napi);
-
- return IRQ_HANDLED;
-}
-
-static irqreturn_t netxen_msi_intr(int irq, void *data)
-{
- struct nx_host_sds_ring *sds_ring = data;
- struct netxen_adapter *adapter = sds_ring->adapter;
-
- /* clear interrupt */
- writel(0xffffffff, adapter->tgt_status_reg);
-
- napi_schedule(&sds_ring->napi);
- return IRQ_HANDLED;
-}
-
-static irqreturn_t netxen_msix_intr(int irq, void *data)
-{
- struct nx_host_sds_ring *sds_ring = data;
-
- napi_schedule(&sds_ring->napi);
- return IRQ_HANDLED;
-}
-
-static int netxen_nic_poll(struct napi_struct *napi, int budget)
-{
- struct nx_host_sds_ring *sds_ring =
- container_of(napi, struct nx_host_sds_ring, napi);
-
- struct netxen_adapter *adapter = sds_ring->adapter;
-
- int tx_complete;
- int work_done;
-
- tx_complete = netxen_process_cmd_ring(adapter);
-
- work_done = netxen_process_rcv_ring(sds_ring, budget);
-
- if ((work_done < budget) && tx_complete) {
- napi_complete(&sds_ring->napi);
- if (test_bit(__NX_DEV_UP, &adapter->state))
- netxen_nic_enable_int(sds_ring);
- }
-
- return work_done;
-}
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-static void netxen_nic_poll_controller(struct net_device *netdev)
-{
- int ring;
- struct nx_host_sds_ring *sds_ring;
- struct netxen_adapter *adapter = netdev_priv(netdev);
- struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
-
- disable_irq(adapter->irq);
- for (ring = 0; ring < adapter->max_sds_rings; ring++) {
- sds_ring = &recv_ctx->sds_rings[ring];
- netxen_intr(adapter->irq, sds_ring);
- }
- enable_irq(adapter->irq);
-}
-#endif
-
-static int
-nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
-{
- int count;
- if (netxen_api_lock(adapter))
- return -EIO;
-
- count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
-
- NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
-
- netxen_api_unlock(adapter);
- return count;
-}
-
-static int
-nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
-{
- int count;
- if (netxen_api_lock(adapter))
- return -EIO;
-
- count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
- WARN_ON(count == 0);
-
- NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
-
- if (count == 0)
- NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
-
- netxen_api_unlock(adapter);
- return count;
-}
-
-static int
-nx_dev_request_aer(struct netxen_adapter *adapter)
-{
- u32 state;
- int ret = -EINVAL;
-
- if (netxen_api_lock(adapter))
- return ret;
-
- state = NXRD32(adapter, NX_CRB_DEV_STATE);
-
- if (state == NX_DEV_NEED_AER)
- ret = 0;
- else if (state == NX_DEV_READY) {
- NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER);
- ret = 0;
- }
-
- netxen_api_unlock(adapter);
- return ret;
-}
-
-static int
-nx_dev_request_reset(struct netxen_adapter *adapter)
-{
- u32 state;
- int ret = -EINVAL;
-
- if (netxen_api_lock(adapter))
- return ret;
-
- state = NXRD32(adapter, NX_CRB_DEV_STATE);
-
- if (state == NX_DEV_NEED_RESET)
- ret = 0;
- else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) {
- NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
- ret = 0;
- }
-
- netxen_api_unlock(adapter);
-
- return ret;
-}
-
-static int
-netxen_can_start_firmware(struct netxen_adapter *adapter)
-{
- int count;
- int can_start = 0;
-
- if (netxen_api_lock(adapter))
- return 0;
-
- count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
-
- if ((count < 0) || (count >= NX_MAX_PCI_FUNC))
- count = 0;
-
- if (count == 0) {
- can_start = 1;
- NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING);
- }
-
- NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
-
- netxen_api_unlock(adapter);
-
- return can_start;
-}
-
-static void
-netxen_schedule_work(struct netxen_adapter *adapter,
- work_func_t func, int delay)
-{
- INIT_DELAYED_WORK(&adapter->fw_work, func);
- schedule_delayed_work(&adapter->fw_work, delay);
-}
-
-static void
-netxen_cancel_fw_work(struct netxen_adapter *adapter)
-{
- while (test_and_set_bit(__NX_RESETTING, &adapter->state))
- msleep(10);
-
- cancel_delayed_work_sync(&adapter->fw_work);
-}
-
-static void
-netxen_attach_work(struct work_struct *work)
-{
- struct netxen_adapter *adapter = container_of(work,
- struct netxen_adapter, fw_work.work);
- struct net_device *netdev = adapter->netdev;
- int err = 0;
-
- if (netif_running(netdev)) {
- err = netxen_nic_attach(adapter);
- if (err)
- goto done;
-
- err = netxen_nic_up(adapter, netdev);
- if (err) {
- netxen_nic_detach(adapter);
- goto done;
- }
-
- netxen_restore_indev_addr(netdev, NETDEV_UP);
- }
-
- netif_device_attach(netdev);
-
-done:
- adapter->fw_fail_cnt = 0;
- clear_bit(__NX_RESETTING, &adapter->state);
- netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
-}
-
-static void
-netxen_fwinit_work(struct work_struct *work)
-{
- struct netxen_adapter *adapter = container_of(work,
- struct netxen_adapter, fw_work.work);
- int dev_state;
-
- dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
-
- switch (dev_state) {
- case NX_DEV_COLD:
- case NX_DEV_READY:
- if (!netxen_start_firmware(adapter)) {
- netxen_schedule_work(adapter, netxen_attach_work, 0);
- return;
- }
- break;
-
- case NX_DEV_NEED_RESET:
- case NX_DEV_INITALIZING:
- if (++adapter->fw_wait_cnt < FW_POLL_THRESH) {
- netxen_schedule_work(adapter,
- netxen_fwinit_work, 2 * FW_POLL_DELAY);
- return;
- }
-
- case NX_DEV_FAILED:
- default:
- nx_incr_dev_ref_cnt(adapter);
- break;
- }
-
- clear_bit(__NX_RESETTING, &adapter->state);
-}
-
-static void
-netxen_detach_work(struct work_struct *work)
-{
- struct netxen_adapter *adapter = container_of(work,
- struct netxen_adapter, fw_work.work);
- struct net_device *netdev = adapter->netdev;
- int ref_cnt, delay;
- u32 status;
-
- netif_device_detach(netdev);
-
- netxen_nic_down(adapter, netdev);
-
- rtnl_lock();
- netxen_nic_detach(adapter);
- rtnl_unlock();
-
- status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
-
- if (status & NX_RCODE_FATAL_ERROR)
- goto err_ret;
-
- if (adapter->temp == NX_TEMP_PANIC)
- goto err_ret;
-
- ref_cnt = nx_decr_dev_ref_cnt(adapter);
-
- if (ref_cnt == -EIO)
- goto err_ret;
-
- delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
-
- adapter->fw_wait_cnt = 0;
- netxen_schedule_work(adapter, netxen_fwinit_work, delay);
-
- return;
-
-err_ret:
- clear_bit(__NX_RESETTING, &adapter->state);
-}
-
-static int
-netxen_check_health(struct netxen_adapter *adapter)
-{
- u32 state, heartbit;
- struct net_device *netdev = adapter->netdev;
-
- state = NXRD32(adapter, NX_CRB_DEV_STATE);
- if (state == NX_DEV_NEED_AER)
- return 0;
-
- if (netxen_nic_check_temp(adapter))
- goto detach;
-
- if (adapter->need_fw_reset) {
- if (nx_dev_request_reset(adapter))
- return 0;
- goto detach;
- }
-
- /* NX_DEV_NEED_RESET, this state can be marked in two cases
- * 1. Tx timeout 2. Fw hang
- * Send request to destroy context in case of tx timeout only
- * and doesn't required in case of Fw hang
- */
- if (state == NX_DEV_NEED_RESET) {
- adapter->need_fw_reset = 1;
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
- goto detach;
- }
-
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
- return 0;
-
- heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
- if (heartbit != adapter->heartbit) {
- adapter->heartbit = heartbit;
- adapter->fw_fail_cnt = 0;
- if (adapter->need_fw_reset)
- goto detach;
- return 0;
- }
-
- if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
- return 0;
-
- if (nx_dev_request_reset(adapter))
- return 0;
-
- clear_bit(__NX_FW_ATTACHED, &adapter->state);
-
- dev_info(&netdev->dev, "firmware hang detected\n");
-
-detach:
- if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
- !test_and_set_bit(__NX_RESETTING, &adapter->state))
- netxen_schedule_work(adapter, netxen_detach_work, 0);
- return 1;
-}
-
-static void
-netxen_fw_poll_work(struct work_struct *work)
-{
- struct netxen_adapter *adapter = container_of(work,
- struct netxen_adapter, fw_work.work);
-
- if (test_bit(__NX_RESETTING, &adapter->state))
- goto reschedule;
-
- if (test_bit(__NX_DEV_UP, &adapter->state)) {
- if (!adapter->has_link_events) {
-
- netxen_nic_handle_phy_intr(adapter);
-
- if (adapter->link_changed)
- netxen_nic_set_link_parameters(adapter);
- }
- }
-
- if (netxen_check_health(adapter))
- return;
-
-reschedule:
- netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
-}
-
-static ssize_t
-netxen_store_bridged_mode(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t len)
-{
- struct net_device *net = to_net_dev(dev);
- struct netxen_adapter *adapter = netdev_priv(net);
- unsigned long new;
- int ret = -EINVAL;
-
- if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
- goto err_out;
-
- if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
- goto err_out;
-
- if (strict_strtoul(buf, 2, &new))
- goto err_out;
-
- if (!netxen_config_bridged_mode(adapter, !!new))
- ret = len;
-
-err_out:
- return ret;
-}
-
-static ssize_t
-netxen_show_bridged_mode(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct net_device *net = to_net_dev(dev);
- struct netxen_adapter *adapter;
- int bridged_mode = 0;
-
- adapter = netdev_priv(net);
-
- if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
- bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
-
- return sprintf(buf, "%d\n", bridged_mode);
-}
-
-static struct device_attribute dev_attr_bridged_mode = {
- .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
- .show = netxen_show_bridged_mode,
- .store = netxen_store_bridged_mode,
-};
-
-static ssize_t
-netxen_store_diag_mode(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t len)
-{
- struct netxen_adapter *adapter = dev_get_drvdata(dev);
- unsigned long new;
-
- if (strict_strtoul(buf, 2, &new))
- return -EINVAL;
-
- if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
- adapter->flags ^= NETXEN_NIC_DIAG_ENABLED;
-
- return len;
-}
-
-static ssize_t
-netxen_show_diag_mode(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct netxen_adapter *adapter = dev_get_drvdata(dev);
-
- return sprintf(buf, "%d\n",
- !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED));
-}
-
-static struct device_attribute dev_attr_diag_mode = {
- .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
- .show = netxen_show_diag_mode,
- .store = netxen_store_diag_mode,
-};
-
-static int
-netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
- loff_t offset, size_t size)
-{
- size_t crb_size = 4;
-
- if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
- return -EIO;
-
- if (offset < NETXEN_PCI_CRBSPACE) {
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
- return -EINVAL;
-
- if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
- NETXEN_PCI_CAMQM_2M_END))
- crb_size = 8;
- else
- return -EINVAL;
- }
-
- if ((size != crb_size) || (offset & (crb_size-1)))
- return -EINVAL;
-
- return 0;
-}
-
-static ssize_t
-netxen_sysfs_read_crb(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr,
- char *buf, loff_t offset, size_t size)
-{
- struct device *dev = container_of(kobj, struct device, kobj);
- struct netxen_adapter *adapter = dev_get_drvdata(dev);
- u32 data;
- u64 qmdata;
- int ret;
-
- ret = netxen_sysfs_validate_crb(adapter, offset, size);
- if (ret != 0)
- return ret;
-
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
- ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
- NETXEN_PCI_CAMQM_2M_END)) {
- netxen_pci_camqm_read_2M(adapter, offset, &qmdata);
- memcpy(buf, &qmdata, size);
- } else {
- data = NXRD32(adapter, offset);
- memcpy(buf, &data, size);
- }
-
- return size;
-}
-
-static ssize_t
-netxen_sysfs_write_crb(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr,
- char *buf, loff_t offset, size_t size)
-{
- struct device *dev = container_of(kobj, struct device, kobj);
- struct netxen_adapter *adapter = dev_get_drvdata(dev);
- u32 data;
- u64 qmdata;
- int ret;
-
- ret = netxen_sysfs_validate_crb(adapter, offset, size);
- if (ret != 0)
- return ret;
-
- if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
- ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
- NETXEN_PCI_CAMQM_2M_END)) {
- memcpy(&qmdata, buf, size);
- netxen_pci_camqm_write_2M(adapter, offset, qmdata);
- } else {
- memcpy(&data, buf, size);
- NXWR32(adapter, offset, data);
- }
-
- return size;
-}
-
-static int
-netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
- loff_t offset, size_t size)
-{
- if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
- return -EIO;
-
- if ((size != 8) || (offset & 0x7))
- return -EIO;
-
- return 0;
-}
-
-static ssize_t
-netxen_sysfs_read_mem(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr,
- char *buf, loff_t offset, size_t size)
-{
- struct device *dev = container_of(kobj, struct device, kobj);
- struct netxen_adapter *adapter = dev_get_drvdata(dev);
- u64 data;
- int ret;
-
- ret = netxen_sysfs_validate_mem(adapter, offset, size);
- if (ret != 0)
- return ret;
-
- if (adapter->pci_mem_read(adapter, offset, &data))
- return -EIO;
-
- memcpy(buf, &data, size);
-
- return size;
-}
-
-static ssize_t netxen_sysfs_write_mem(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t offset, size_t size)
-{
- struct device *dev = container_of(kobj, struct device, kobj);
- struct netxen_adapter *adapter = dev_get_drvdata(dev);
- u64 data;
- int ret;
-
- ret = netxen_sysfs_validate_mem(adapter, offset, size);
- if (ret != 0)
- return ret;
-
- memcpy(&data, buf, size);
-
- if (adapter->pci_mem_write(adapter, offset, data))
- return -EIO;
-
- return size;
-}
-
-
-static struct bin_attribute bin_attr_crb = {
- .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
- .size = 0,
- .read = netxen_sysfs_read_crb,
- .write = netxen_sysfs_write_crb,
-};
-
-static struct bin_attribute bin_attr_mem = {
- .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
- .size = 0,
- .read = netxen_sysfs_read_mem,
- .write = netxen_sysfs_write_mem,
-};
-
-
-static void
-netxen_create_sysfs_entries(struct netxen_adapter *adapter)
-{
- struct net_device *netdev = adapter->netdev;
- struct device *dev = &netdev->dev;
-
- if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
- /* bridged_mode control */
- if (device_create_file(dev, &dev_attr_bridged_mode)) {
- dev_warn(&netdev->dev,
- "failed to create bridged_mode sysfs entry\n");
- }
- }
-}
-
-static void
-netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
-{
- struct net_device *netdev = adapter->netdev;
- struct device *dev = &netdev->dev;
-
- if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
- device_remove_file(dev, &dev_attr_bridged_mode);
-}
-
-static void
-netxen_create_diag_entries(struct netxen_adapter *adapter)
-{
- struct pci_dev *pdev = adapter->pdev;
- struct device *dev;
-
- dev = &pdev->dev;
- if (device_create_file(dev, &dev_attr_diag_mode))
- dev_info(dev, "failed to create diag_mode sysfs entry\n");
- if (device_create_bin_file(dev, &bin_attr_crb))
- dev_info(dev, "failed to create crb sysfs entry\n");
- if (device_create_bin_file(dev, &bin_attr_mem))
- dev_info(dev, "failed to create mem sysfs entry\n");
-}
-
-
-static void
-netxen_remove_diag_entries(struct netxen_adapter *adapter)
-{
- struct pci_dev *pdev = adapter->pdev;
- struct device *dev = &pdev->dev;
-
- device_remove_file(dev, &dev_attr_diag_mode);
- device_remove_bin_file(dev, &bin_attr_crb);
- device_remove_bin_file(dev, &bin_attr_mem);
-}
-
-#ifdef CONFIG_INET
-
-#define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
-
-static int
-netxen_destip_supported(struct netxen_adapter *adapter)
-{
- if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
- return 0;
-
- if (adapter->ahw.cut_through)
- return 0;
-
- return 1;
-}
-
-static void
-netxen_free_vlan_ip_list(struct netxen_adapter *adapter)
-{
- struct nx_vlan_ip_list *cur;
- struct list_head *head = &adapter->vlan_ip_list;
-
- while (!list_empty(head)) {
- cur = list_entry(head->next, struct nx_vlan_ip_list, list);
- netxen_config_ipaddr(adapter, cur->ip_addr, NX_IP_DOWN);
- list_del(&cur->list);
- kfree(cur);
- }
-
-}
-static void
-netxen_list_config_vlan_ip(struct netxen_adapter *adapter,
- struct in_ifaddr *ifa, unsigned long event)
-{
- struct net_device *dev;
- struct nx_vlan_ip_list *cur, *tmp_cur;
- struct list_head *head;
-
- dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
-
- if (dev == NULL)
- return;
-
- if (!is_vlan_dev(dev))
- return;
-
- switch (event) {
- case NX_IP_UP:
- list_for_each(head, &adapter->vlan_ip_list) {
- cur = list_entry(head, struct nx_vlan_ip_list, list);
-
- if (cur->ip_addr == ifa->ifa_address)
- return;
- }
-
- cur = kzalloc(sizeof(struct nx_vlan_ip_list), GFP_ATOMIC);
- if (cur == NULL) {
- printk(KERN_ERR "%s: failed to add vlan ip to list\n",
- adapter->netdev->name);
- return;
- }
-
- cur->ip_addr = ifa->ifa_address;
- list_add_tail(&cur->list, &adapter->vlan_ip_list);
- break;
- case NX_IP_DOWN:
- list_for_each_entry_safe(cur, tmp_cur,
- &adapter->vlan_ip_list, list) {
- if (cur->ip_addr == ifa->ifa_address) {
- list_del(&cur->list);
- kfree(cur);
- break;
- }
- }
- }
-}
-static void
-netxen_config_indev_addr(struct netxen_adapter *adapter,
- struct net_device *dev, unsigned long event)
-{
- struct in_device *indev;
-
- if (!netxen_destip_supported(adapter))
- return;
-
- indev = in_dev_get(dev);
- if (!indev)
- return;
-
- for_ifa(indev) {
- switch (event) {
- case NETDEV_UP:
- netxen_config_ipaddr(adapter,
- ifa->ifa_address, NX_IP_UP);
- netxen_list_config_vlan_ip(adapter, ifa, NX_IP_UP);
- break;
- case NETDEV_DOWN:
- netxen_config_ipaddr(adapter,
- ifa->ifa_address, NX_IP_DOWN);
- netxen_list_config_vlan_ip(adapter, ifa, NX_IP_DOWN);
- break;
- default:
- break;
- }
- } endfor_ifa(indev);
-
- in_dev_put(indev);
-}
-
-static void
-netxen_restore_indev_addr(struct net_device *netdev, unsigned long event)
-
-{
- struct netxen_adapter *adapter = netdev_priv(netdev);
- struct nx_vlan_ip_list *pos, *tmp_pos;
- unsigned long ip_event;
-
- ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
- netxen_config_indev_addr(adapter, netdev, event);
-
- list_for_each_entry_safe(pos, tmp_pos, &adapter->vlan_ip_list, list) {
- netxen_config_ipaddr(adapter, pos->ip_addr, ip_event);
- }
-}
-
-static int netxen_netdev_event(struct notifier_block *this,
- unsigned long event, void *ptr)
-{
- struct netxen_adapter *adapter;
- struct net_device *dev = (struct net_device *)ptr;
- struct net_device *orig_dev = dev;
-
-recheck:
- if (dev == NULL)
- goto done;
-
- if (dev->priv_flags & IFF_802_1Q_VLAN) {
- dev = vlan_dev_real_dev(dev);
- goto recheck;
- }
-
- if (!is_netxen_netdev(dev))
- goto done;
-
- adapter = netdev_priv(dev);
-
- if (!adapter)
- goto done;
-
- if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
- goto done;
-
- netxen_config_indev_addr(adapter, orig_dev, event);
-done:
- return NOTIFY_DONE;
-}
-
-static int
-netxen_inetaddr_event(struct notifier_block *this,
- unsigned long event, void *ptr)
-{
- struct netxen_adapter *adapter;
- struct net_device *dev;
-
- struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
-
- dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
-
-recheck:
- if (dev == NULL)
- goto done;
-
- if (dev->priv_flags & IFF_802_1Q_VLAN) {
- dev = vlan_dev_real_dev(dev);
- goto recheck;
- }
-
- if (!is_netxen_netdev(dev))
- goto done;
-
- adapter = netdev_priv(dev);
-
- if (!adapter || !netxen_destip_supported(adapter))
- goto done;
-
- if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
- goto done;
-
- switch (event) {
- case NETDEV_UP:
- netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
- netxen_list_config_vlan_ip(adapter, ifa, NX_IP_UP);
- break;
- case NETDEV_DOWN:
- netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_DOWN);
- netxen_list_config_vlan_ip(adapter, ifa, NX_IP_DOWN);
- break;
- default:
- break;
- }
-
-done:
- return NOTIFY_DONE;
-}
-
-static struct notifier_block netxen_netdev_cb = {
- .notifier_call = netxen_netdev_event,
-};
-
-static struct notifier_block netxen_inetaddr_cb = {
- .notifier_call = netxen_inetaddr_event,
-};
-#else
-static void
-netxen_restore_indev_addr(struct net_device *dev, unsigned long event)
-{ }
-static void
-netxen_free_vlan_ip_list(struct netxen_adapter *adapter)
-{ }
-#endif
-
-static struct pci_error_handlers netxen_err_handler = {
- .error_detected = netxen_io_error_detected,
- .slot_reset = netxen_io_slot_reset,
- .resume = netxen_io_resume,
-};
-
-static struct pci_driver netxen_driver = {
- .name = netxen_nic_driver_name,
- .id_table = netxen_pci_tbl,
- .probe = netxen_nic_probe,
- .remove = __devexit_p(netxen_nic_remove),
-#ifdef CONFIG_PM
- .suspend = netxen_nic_suspend,
- .resume = netxen_nic_resume,
-#endif
- .shutdown = netxen_nic_shutdown,
- .err_handler = &netxen_err_handler
-};
-
-static int __init netxen_init_module(void)
-{
- printk(KERN_INFO "%s\n", netxen_nic_driver_string);
-
-#ifdef CONFIG_INET
- register_netdevice_notifier(&netxen_netdev_cb);
- register_inetaddr_notifier(&netxen_inetaddr_cb);
-#endif
- return pci_register_driver(&netxen_driver);
-}
-
-module_init(netxen_init_module);
-
-static void __exit netxen_exit_module(void)
-{
- pci_unregister_driver(&netxen_driver);
-
-#ifdef CONFIG_INET
- unregister_inetaddr_notifier(&netxen_inetaddr_cb);
- unregister_netdevice_notifier(&netxen_netdev_cb);
-#endif
-}
-
-module_exit(netxen_exit_module);