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path: root/drivers/net/myri10ge
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Diffstat (limited to 'drivers/net/myri10ge')
-rw-r--r--drivers/net/myri10ge/myri10ge.c730
-rw-r--r--drivers/net/myri10ge/myri10ge_mcp.h56
-rw-r--r--drivers/net/myri10ge/myri10ge_mcp_gen_header.h39
3 files changed, 477 insertions, 348 deletions
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index ef63c8d2bd7e..c91b12ea26ad 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -144,11 +144,13 @@ struct myri10ge_tx_buf {
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 stop_queue;
+ int linearized;
int done ____cacheline_aligned; /* transmit slots completed */
int pkt_done; /* packets completed */
+ int wake_queue;
};
struct myri10ge_rx_done {
@@ -160,29 +162,50 @@ struct myri10ge_rx_done {
struct net_lro_desc lro_desc[MYRI10GE_MAX_LRO_DESCRIPTORS];
};
-struct myri10ge_priv {
- int running; /* running? */
- int csum_flag; /* rx_csums? */
+struct myri10ge_slice_netstats {
+ unsigned long rx_packets;
+ unsigned long tx_packets;
+ unsigned long rx_bytes;
+ unsigned long tx_bytes;
+ unsigned long rx_dropped;
+ unsigned long tx_dropped;
+};
+
+struct myri10ge_slice_state {
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;
+ struct net_device *dev;
+ struct napi_struct napi;
+ struct myri10ge_priv *mgp;
+ struct myri10ge_slice_netstats stats;
+ __be32 __iomem *irq_claim;
+ struct mcp_irq_data *fw_stats;
+ dma_addr_t fw_stats_bus;
+ int watchdog_tx_done;
+ int watchdog_tx_req;
+};
+
+struct myri10ge_priv {
+ struct myri10ge_slice_state ss;
+ int tx_boundary; /* boundary transmits cannot cross */
+ int running; /* running? */
+ int csum_flag; /* rx_csums? */
int small_bytes;
int big_bytes;
+ int max_intr_slots;
struct net_device *dev;
- struct napi_struct napi;
struct net_device_stats stats;
+ spinlock_t stats_lock;
u8 __iomem *sram;
int sram_size;
unsigned long board_span;
unsigned long iomem_base;
- __be32 __iomem *irq_claim;
__be32 __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;
u32 link_state;
@@ -191,20 +214,16 @@ struct myri10ge_priv {
__be32 __iomem *intr_coal_delay_ptr;
int mtrr;
int wc_enabled;
- 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_tx_req;
- int watchdog_pause;
int watchdog_resets;
- int tx_linearized;
+ int watchdog_pause;
int pause;
char *fw_name;
char eeprom_strings[MYRI10GE_EEPROM_STRINGS_SIZE];
+ char *product_code_string;
char fw_version[128];
int fw_ver_major;
int fw_ver_minor;
@@ -228,58 +247,54 @@ 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");
+MODULE_PARM_DESC(myri10ge_fw_name, "Firmware image name");
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");
+MODULE_PARM_DESC(myri10ge_ecrc_enable, "Enable Extended CRC on PCI-E");
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");
+MODULE_PARM_DESC(myri10ge_small_bytes, "Threshold of small packets");
static int myri10ge_msi = 1; /* enable msi by default */
module_param(myri10ge_msi, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(myri10ge_msi, "Enable Message Signalled Interrupts\n");
+MODULE_PARM_DESC(myri10ge_msi, "Enable Message Signalled Interrupts");
static int myri10ge_intr_coal_delay = 75;
module_param(myri10ge_intr_coal_delay, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_intr_coal_delay, "Interrupt coalescing delay\n");
+MODULE_PARM_DESC(myri10ge_intr_coal_delay, "Interrupt coalescing delay");
static int myri10ge_flow_control = 1;
module_param(myri10ge_flow_control, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_flow_control, "Pause parameter\n");
+MODULE_PARM_DESC(myri10ge_flow_control, "Pause parameter");
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");
+ "Wait when deasserting legacy interrupts");
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");
+ "Force firmware to assume aligned completions");
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");
+MODULE_PARM_DESC(myri10ge_initial_mtu, "Initial MTU");
static int myri10ge_napi_weight = 64;
module_param(myri10ge_napi_weight, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_napi_weight, "Set NAPI weight\n");
+MODULE_PARM_DESC(myri10ge_napi_weight, "Set NAPI weight");
static int myri10ge_watchdog_timeout = 1;
module_param(myri10ge_watchdog_timeout, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_watchdog_timeout, "Set watchdog timeout\n");
+MODULE_PARM_DESC(myri10ge_watchdog_timeout, "Set watchdog timeout");
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");
+ "Set stuck legacy IRQ detection threshold");
#define MYRI10GE_MSG_DEFAULT NETIF_MSG_LINK
@@ -289,21 +304,22 @@ MODULE_PARM_DESC(myri10ge_debug, "Debug level (0=none,...,16=all)");
static int myri10ge_lro = 1;
module_param(myri10ge_lro, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_lro, "Enable large receive offload\n");
+MODULE_PARM_DESC(myri10ge_lro, "Enable large receive offload");
static int myri10ge_lro_max_pkts = MYRI10GE_LRO_MAX_PKTS;
module_param(myri10ge_lro_max_pkts, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_lro, "Number of LRO packets to be aggregated\n");
+MODULE_PARM_DESC(myri10ge_lro_max_pkts,
+ "Number of LRO packets to be aggregated");
static int myri10ge_fill_thresh = 256;
module_param(myri10ge_fill_thresh, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(myri10ge_fill_thresh, "Number of empty rx slots allowed\n");
+MODULE_PARM_DESC(myri10ge_fill_thresh, "Number of empty rx slots allowed");
static int myri10ge_reset_recover = 1;
static int myri10ge_wcfifo = 0;
module_param(myri10ge_wcfifo, int, S_IRUGO);
-MODULE_PARM_DESC(myri10ge_wcfifo, "Enable WC Fifo when WC is enabled\n");
+MODULE_PARM_DESC(myri10ge_wcfifo, "Enable WC Fifo when WC is enabled");
#define MYRI10GE_FW_OFFSET 1024*1024
#define MYRI10GE_HIGHPART_TO_U32(X) \
@@ -359,8 +375,10 @@ myri10ge_send_cmd(struct myri10ge_priv *mgp, u32 cmd,
for (sleep_total = 0;
sleep_total < 1000
&& response->result == htonl(MYRI10GE_NO_RESPONSE_RESULT);
- sleep_total += 10)
+ sleep_total += 10) {
udelay(10);
+ mb();
+ }
} else {
/* use msleep for most command */
for (sleep_total = 0;
@@ -420,6 +438,10 @@ static int myri10ge_read_mac_addr(struct myri10ge_priv *mgp)
ptr += 1;
}
}
+ if (memcmp(ptr, "PC=", 3) == 0) {
+ ptr += 3;
+ mgp->product_code_string = ptr;
+ }
if (memcmp((const void *)ptr, "SN=", 3) == 0) {
ptr += 3;
mgp->serial_number = simple_strtoul(ptr, &ptr, 10);
@@ -442,7 +464,7 @@ abort:
static void myri10ge_dummy_rdma(struct myri10ge_priv *mgp, int enable)
{
char __iomem *submit;
- __be32 buf[16];
+ __be32 buf[16] __attribute__ ((__aligned__(8)));
u32 dma_low, dma_high;
int i;
@@ -609,13 +631,38 @@ static int myri10ge_adopt_running_firmware(struct myri10ge_priv *mgp)
return status;
}
+int myri10ge_get_firmware_capabilities(struct myri10ge_priv *mgp)
+{
+ struct myri10ge_cmd cmd;
+ int status;
+
+ /* probe for IPv6 TSO support */
+ mgp->features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO;
+ status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE,
+ &cmd, 0);
+ if (status == 0) {
+ mgp->max_tso6 = cmd.data0;
+ mgp->features |= NETIF_F_TSO6;
+ }
+
+ status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_RX_RING_SIZE, &cmd, 0);
+ if (status != 0) {
+ dev_err(&mgp->pdev->dev,
+ "failed MXGEFW_CMD_GET_RX_RING_SIZE\n");
+ return -ENXIO;
+ }
+
+ mgp->max_intr_slots = 2 * (cmd.data0 / sizeof(struct mcp_dma_addr));
+
+ return 0;
+}
+
static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
{
char __iomem *submit;
- __be32 buf[16];
+ __be32 buf[16] __attribute__ ((__aligned__(8)));
u32 dma_low, dma_high, size;
int status, i;
- struct myri10ge_cmd cmd;
size = 0;
status = myri10ge_load_hotplug_firmware(mgp, &size);
@@ -635,7 +682,7 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
}
dev_info(&mgp->pdev->dev,
"Successfully adopted running firmware\n");
- if (mgp->tx.boundary == 4096) {
+ if (mgp->tx_boundary == 4096) {
dev_warn(&mgp->pdev->dev,
"Using firmware currently running on NIC"
". For optimal\n");
@@ -646,7 +693,9 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
}
mgp->fw_name = "adopted";
- mgp->tx.boundary = 2048;
+ mgp->tx_boundary = 2048;
+ myri10ge_dummy_rdma(mgp, 1);
+ status = myri10ge_get_firmware_capabilities(mgp);
return status;
}
@@ -681,26 +730,18 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp)
msleep(1);
mb();
i = 0;
- while (mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA && i < 20) {
- msleep(1);
+ while (mgp->cmd->data != MYRI10GE_NO_CONFIRM_DATA && i < 9) {
+ msleep(1 << i);
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, 1);
+ status = myri10ge_get_firmware_capabilities(mgp);
- /* probe for IPv6 TSO support */
- mgp->features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO;
- status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE,
- &cmd, 0);
- if (status == 0) {
- mgp->max_tso6 = cmd.data0;
- mgp->features |= NETIF_F_TSO6;
- }
- return 0;
+ return status;
}
static int myri10ge_update_mac_address(struct myri10ge_priv *mgp, u8 * addr)
@@ -772,7 +813,7 @@ static int myri10ge_dma_test(struct myri10ge_priv *mgp, int test_type)
* transfers took to complete.
*/
- len = mgp->tx.boundary;
+ len = mgp->tx_boundary;
cmd.data0 = MYRI10GE_LOWPART_TO_U32(dmatest_bus);
cmd.data1 = MYRI10GE_HIGHPART_TO_U32(dmatest_bus);
@@ -834,17 +875,17 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
/* Now exchange information about interrupts */
- bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry);
- memset(mgp->rx_done.entry, 0, bytes);
+ bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
+ memset(mgp->ss.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);
+ cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->ss.rx_done.bus);
+ cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->ss.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 __be32 *) (mgp->sram + cmd.data0);
+ mgp->ss.irq_claim = (__iomem __be32 *) (mgp->sram + cmd.data0);
status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_IRQ_DEASSERT_OFFSET,
&cmd, 0);
mgp->irq_deassert = (__iomem __be32 *) (mgp->sram + cmd.data0);
@@ -858,17 +899,17 @@ static int myri10ge_reset(struct myri10ge_priv *mgp)
}
put_be32(htonl(mgp->intr_coal_delay), mgp->intr_coal_delay_ptr);
- memset(mgp->rx_done.entry, 0, bytes);
+ memset(mgp->ss.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;
+ mgp->ss.tx.req = 0;
+ mgp->ss.tx.done = 0;
+ mgp->ss.tx.pkt_start = 0;
+ mgp->ss.tx.pkt_done = 0;
+ mgp->ss.rx_big.cnt = 0;
+ mgp->ss.rx_small.cnt = 0;
+ mgp->ss.rx_done.idx = 0;
+ mgp->ss.rx_done.cnt = 0;
mgp->link_changes = 0;
status = myri10ge_update_mac_address(mgp, mgp->dev->dev_addr);
myri10ge_change_pause(mgp, mgp->pause);
@@ -1020,9 +1061,10 @@ myri10ge_unmap_rx_page(struct pci_dev *pdev,
* page into an skb */
static inline int
-myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
+myri10ge_rx_done(struct myri10ge_slice_state *ss, struct myri10ge_rx_buf *rx,
int bytes, int len, __wsum csum)
{
+ struct myri10ge_priv *mgp = ss->mgp;
struct sk_buff *skb;
struct skb_frag_struct rx_frags[MYRI10GE_MAX_FRAGS_PER_FRAME];
int i, idx, hlen, remainder;
@@ -1052,11 +1094,10 @@ myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
rx_frags[0].page_offset += MXGEFW_PAD;
rx_frags[0].size -= MXGEFW_PAD;
len -= MXGEFW_PAD;
- lro_receive_frags(&mgp->rx_done.lro_mgr, rx_frags,
+ lro_receive_frags(&ss->rx_done.lro_mgr, rx_frags,
len, len,
- /* opaque, will come back in get_frag_header */
- (void *)(__force unsigned long)csum,
- csum);
+ /* opaque, will come back in get_frag_header */
+ (void *)(__force unsigned long)csum, csum);
return 1;
}
@@ -1096,10 +1137,11 @@ myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
return 1;
}
-static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index)
+static inline void
+myri10ge_tx_done(struct myri10ge_slice_state *ss, int mcp_index)
{
- struct pci_dev *pdev = mgp->pdev;
- struct myri10ge_tx_buf *tx = &mgp->tx;
+ struct pci_dev *pdev = ss->mgp->pdev;
+ struct myri10ge_tx_buf *tx = &ss->tx;
struct sk_buff *skb;
int idx, len;
@@ -1117,8 +1159,8 @@ static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index)
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++;
+ ss->stats.tx_bytes += skb->len;
+ ss->stats.tx_packets++;
dev_kfree_skb_irq(skb);
if (len)
pci_unmap_single(pdev,
@@ -1134,16 +1176,18 @@ static inline void myri10ge_tx_done(struct myri10ge_priv *mgp, int mcp_index)
}
}
/* start the queue if we've stopped it */
- if (netif_queue_stopped(mgp->dev)
+ if (netif_queue_stopped(ss->dev)
&& tx->req - tx->done < (tx->mask >> 1)) {
- mgp->wake_queue++;
- netif_wake_queue(mgp->dev);
+ tx->wake_queue++;
+ netif_wake_queue(ss->dev);
}
}
-static inline int myri10ge_clean_rx_done(struct myri10ge_priv *mgp, int budget)
+static inline int
+myri10ge_clean_rx_done(struct myri10ge_slice_state *ss, int budget)
{
- struct myri10ge_rx_done *rx_done = &mgp->rx_done;
+ struct myri10ge_rx_done *rx_done = &ss->rx_done;
+ struct myri10ge_priv *mgp = ss->mgp;
unsigned long rx_bytes = 0;
unsigned long rx_packets = 0;
unsigned long rx_ok;
@@ -1159,40 +1203,40 @@ static inline int myri10ge_clean_rx_done(struct myri10ge_priv *mgp, int budget)
rx_done->entry[idx].length = 0;
checksum = csum_unfold(rx_done->entry[idx].checksum);
if (length <= mgp->small_bytes)
- rx_ok = myri10ge_rx_done(mgp, &mgp->rx_small,
+ rx_ok = myri10ge_rx_done(ss, &ss->rx_small,
mgp->small_bytes,
length, checksum);
else
- rx_ok = myri10ge_rx_done(mgp, &mgp->rx_big,
+ rx_ok = myri10ge_rx_done(ss, &ss->rx_big,
mgp->big_bytes,
length, checksum);
rx_packets += rx_ok;
rx_bytes += rx_ok * (unsigned long)length;
cnt++;
- idx = cnt & (myri10ge_max_intr_slots - 1);
+ idx = cnt & (mgp->max_intr_slots - 1);
work_done++;
}
rx_done->idx = idx;
rx_done->cnt = cnt;
- mgp->stats.rx_packets += rx_packets;
- mgp->stats.rx_bytes += rx_bytes;
+ ss->stats.rx_packets += rx_packets;
+ ss->stats.rx_bytes += rx_bytes;
if (myri10ge_lro)
lro_flush_all(&rx_done->lro_mgr);
/* restock receive rings if needed */
- if (mgp->rx_small.fill_cnt - mgp->rx_small.cnt < myri10ge_fill_thresh)
- myri10ge_alloc_rx_pages(mgp, &mgp->rx_small,
+ if (ss->rx_small.fill_cnt - ss->rx_small.cnt < myri10ge_fill_thresh)
+ myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
mgp->small_bytes + MXGEFW_PAD, 0);
- if (mgp->rx_big.fill_cnt - mgp->rx_big.cnt < myri10ge_fill_thresh)
- myri10ge_alloc_rx_pages(mgp, &mgp->rx_big, mgp->big_bytes, 0);
+ if (ss->rx_big.fill_cnt - ss->rx_big.cnt < myri10ge_fill_thresh)
+ myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 0);
return work_done;
}
static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp)
{
- struct mcp_irq_data *stats = mgp->fw_stats;
+ struct mcp_irq_data *stats = mgp->ss.fw_stats;
if (unlikely(stats->stats_updated)) {
unsigned link_up = ntohl(stats->link_up);
@@ -1219,9 +1263,9 @@ static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp)
}
}
if (mgp->rdma_tags_available !=
- ntohl(mgp->fw_stats->rdma_tags_available)) {
+ ntohl(stats->rdma_tags_available)) {
mgp->rdma_tags_available =
- ntohl(mgp->fw_stats->rdma_tags_available);
+ ntohl(stats->rdma_tags_available);
printk(KERN_WARNING "myri10ge: %s: RDMA timed out! "
"%d tags left\n", mgp->dev->name,
mgp->rdma_tags_available);
@@ -1234,26 +1278,27 @@ static inline void myri10ge_check_statblock(struct myri10ge_priv *mgp)
static int myri10ge_poll(struct napi_struct *napi, int budget)
{
- struct myri10ge_priv *mgp =
- container_of(napi, struct myri10ge_priv, napi);
- struct net_device *netdev = mgp->dev;
+ struct myri10ge_slice_state *ss =
+ container_of(napi, struct myri10ge_slice_state, napi);
+ struct net_device *netdev = ss->mgp->dev;
int work_done;
/* process as many rx events as NAPI will allow */
- work_done = myri10ge_clean_rx_done(mgp, budget);
+ work_done = myri10ge_clean_rx_done(ss, budget);
if (work_done < budget) {
netif_rx_complete(netdev, napi);
- put_be32(htonl(3), mgp->irq_claim);
+ put_be32(htonl(3), ss->irq_claim);
}
return work_done;
}
static irqreturn_t myri10ge_intr(int irq, void *arg)
{
- struct myri10ge_priv *mgp = arg;
- struct mcp_irq_data *stats = mgp->fw_stats;
- struct myri10ge_tx_buf *tx = &mgp->tx;
+ struct myri10ge_slice_state *ss = arg;
+ struct myri10ge_priv *mgp = ss->mgp;
+ struct mcp_irq_data *stats = ss->fw_stats;
+ struct myri10ge_tx_buf *tx = &ss->tx;
u32 send_done_count;
int i;
@@ -1264,7 +1309,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
/* low bit indicates receives are present, so schedule
* napi poll handler */
if (stats->valid & 1)
- netif_rx_schedule(mgp->dev, &mgp->napi);
+ netif_rx_schedule(ss->dev, &ss->napi);
if (!mgp->msi_enabled) {
put_be32(0, mgp->irq_deassert);
@@ -1281,7 +1326,7 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
/* 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);
+ myri10ge_tx_done(ss, (int)send_done_count);
if (unlikely(i > myri10ge_max_irq_loops)) {
printk(KERN_WARNING "myri10ge: %s: irq stuck?\n",
mgp->dev->name);
@@ -1296,16 +1341,46 @@ static irqreturn_t myri10ge_intr(int irq, void *arg)
myri10ge_check_statblock(mgp);
- put_be32(htonl(3), mgp->irq_claim + 1);
+ put_be32(htonl(3), ss->irq_claim + 1);
return (IRQ_HANDLED);
}
static int
myri10ge_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
{
+ struct myri10ge_priv *mgp = netdev_priv(netdev);
+ char *ptr;
+ int i;
+
cmd->autoneg = AUTONEG_DISABLE;
cmd->speed = SPEED_10000;
cmd->duplex = DUPLEX_FULL;
+
+ /*
+ * parse the product code to deterimine the interface type
+ * (CX4, XFP, Quad Ribbon Fiber) by looking at the character
+ * after the 3rd dash in the driver's cached copy of the
+ * EEPROM's product code string.
+ */
+ ptr = mgp->product_code_string;
+ if (ptr == NULL) {
+ printk(KERN_ERR "myri10ge: %s: Missing product code\n",
+ netdev->name);
+ return 0;
+ }
+ for (i = 0; i < 3; i++, ptr++) {
+ ptr = strchr(ptr, '-');
+ if (ptr == NULL) {
+ printk(KERN_ERR "myri10ge: %s: Invalid product "
+ "code %s\n", netdev->name,
+ mgp->product_code_string);
+ return 0;
+ }
+ }
+ if (*ptr == 'R' || *ptr == 'Q') {
+ /* We've found either an XFP or quad ribbon fiber */
+ cmd->port = PORT_FIBRE;
+ }
return 0;
}
@@ -1324,6 +1399,7 @@ 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;
}
@@ -1370,10 +1446,10 @@ myri10ge_get_ringparam(struct net_device *netdev,
{
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_mini_max_pending = mgp->ss.rx_small.mask + 1;
+ ring->rx_max_pending = mgp->ss.rx_big.mask + 1;
ring->rx_jumbo_max_pending = 0;
- ring->tx_max_pending = mgp->rx_small.mask + 1;
+ ring->tx_max_pending = mgp->ss.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;
@@ -1383,6 +1459,7 @@ myri10ge_get_ringparam(struct net_device *netdev,
static u32 myri10ge_get_rx_csum(struct net_device *netdev)
{
struct myri10ge_priv *mgp = netdev_priv(netdev);
+
if (mgp->csum_flag)
return 1;
else
@@ -1392,6 +1469,7 @@ static u32 myri10ge_get_rx_csum(struct net_device *netdev)
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
@@ -1411,7 +1489,7 @@ static int myri10ge_set_tso(struct net_device *netdev, u32 tso_enabled)
return 0;
}
-static const char myri10ge_gstrings_stats[][ETH_GSTRING_LEN] = {
+static const char myri10ge_gstrings_main_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",
@@ -1421,28 +1499,39 @@ static const char myri10ge_gstrings_stats[][ETH_GSTRING_LEN] = {
/* device-specific stats */
"tx_boundary", "WC", "irq", "MSI",
"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",
+ "serial_number", "watchdog_resets",
"link_changes", "link_up", "dropped_link_overflow",
"dropped_link_error_or_filtered",
"dropped_pause", "dropped_bad_phy", "dropped_bad_crc32",
"dropped_unicast_filtered", "dropped_multicast_filtered",
"dropped_runt", "dropped_overrun", "dropped_no_small_buffer",
- "dropped_no_big_buffer", "LRO aggregated", "LRO flushed",
+ "dropped_no_big_buffer"
+};
+
+static const char myri10ge_gstrings_slice_stats[][ETH_GSTRING_LEN] = {
+ "----------- slice ---------",
+ "tx_pkt_start", "tx_pkt_done", "tx_req", "tx_done",
+ "rx_small_cnt", "rx_big_cnt",
+ "wake_queue", "stop_queue", "tx_linearized", "LRO aggregated",
+ "LRO flushed",
"LRO avg aggr", "LRO no_desc"
};
#define MYRI10GE_NET_STATS_LEN 21
-#define MYRI10GE_STATS_LEN ARRAY_SIZE(myri10ge_gstrings_stats)
+#define MYRI10GE_MAIN_STATS_LEN ARRAY_SIZE(myri10ge_gstrings_main_stats)
+#define MYRI10GE_SLICE_STATS_LEN ARRAY_SIZE(myri10ge_gstrings_slice_stats)
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));
+ memcpy(data, *myri10ge_gstrings_main_stats,
+ sizeof(myri10ge_gstrings_main_stats));
+ data += sizeof(myri10ge_gstrings_main_stats);
+ memcpy(data, *myri10ge_gstrings_slice_stats,
+ sizeof(myri10ge_gstrings_slice_stats));
+ data += sizeof(myri10ge_gstrings_slice_stats);
break;
}
}
@@ -1451,7 +1540,7 @@ static int myri10ge_get_sset_count(struct net_device *netdev, int sset)
{
switch (sset) {
case ETH_SS_STATS:
- return MYRI10GE_STATS_LEN;
+ return MYRI10GE_MAIN_STATS_LEN + MYRI10GE_SLICE_STATS_LEN;
default:
return -EOPNOTSUPP;
}
@@ -1462,12 +1551,13 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 * data)
{
struct myri10ge_priv *mgp = netdev_priv(netdev);
+ struct myri10ge_slice_state *ss;
int i;
for (i = 0; i < MYRI10GE_NET_STATS_LEN; i++)
data[i] = ((unsigned long *)&mgp->stats)[i];
- data[i++] = (unsigned int)mgp->tx.boundary;
+ data[i++] = (unsigned int)mgp->tx_boundary;
data[i++] = (unsigned int)mgp->wc_enabled;
data[i++] = (unsigned int)mgp->pdev->irq;
data[i++] = (unsigned int)mgp->msi_enabled;
@@ -1475,40 +1565,44 @@ myri10ge_get_ethtool_stats(struct net_device *netdev,
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)mgp->link_changes;
- 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_pause);
- data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_bad_phy);
- data[i++] = (unsigned int)ntohl(mgp->fw_stats->dropped_bad_crc32);
+
+ /* firmware stats are useful only in the first slice */
+ ss = &mgp->ss;
+ data[i++] = (unsigned int)ntohl(ss->fw_stats->link_up);
+ data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_link_overflow);
data[i++] =
- (unsigned int)ntohl(mgp->fw_stats->dropped_unicast_filtered);
+ (unsigned int)ntohl(ss->fw_stats->dropped_link_error_or_filtered);
+ data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_pause);
+ data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_bad_phy);
+ data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_bad_crc32);
+ data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_unicast_filtered);
data[i++] =
- (unsigned int)ntohl(mgp->fw_stats->dropped_multicast_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);
- data[i++] = mgp->rx_done.lro_mgr.stats.aggregated;
- data[i++] = mgp->rx_done.lro_mgr.stats.flushed;
- if (mgp->rx_done.lro_mgr.stats.flushed)
- data[i++] = mgp->rx_done.lro_mgr.stats.aggregated /
- mgp->rx_done.lro_mgr.stats.flushed;
+ (unsigned int)ntohl(ss->fw_stats->dropped_multicast_filtered);
+ data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_runt);
+ data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_overrun);
+ data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_no_small_buffer);
+ data[i++] = (unsigned int)ntohl(ss->fw_stats->dropped_no_big_buffer);
+
+ data[i++] = 0;
+ data[i++] = (unsigned int)ss->tx.pkt_start;
+ data[i++] = (unsigned int)ss->tx.pkt_done;
+ data[i++] = (unsigned int)ss->tx.req;
+ data[i++] = (unsigned int)ss->tx.done;
+ data[i++] = (unsigned int)ss->rx_small.cnt;
+ data[i++] = (unsigned int)ss->rx_big.cnt;
+ data[i++] = (unsigned int)ss->tx.wake_queue;
+ data[i++] = (unsigned int)ss->tx.stop_queue;
+ data[i++] = (unsigned int)ss->tx.linearized;
+ data[i++] = ss->rx_done.lro_mgr.stats.aggregated;
+ data[i++] = ss->rx_done.lro_mgr.stats.flushed;
+ if (ss->rx_done.lro_mgr.stats.flushed)
+ data[i++] = ss->rx_done.lro_mgr.stats.aggregated /
+ ss->rx_done.lro_mgr.stats.flushed;
else
data[i++] = 0;
- data[i++] = mgp->rx_done.lro_mgr.stats.no_desc;
+ data[i++] = ss->rx_done.lro_mgr.stats.no_desc;
}
static void myri10ge_set_msglevel(struct net_device *netdev, u32 value)
@@ -1544,19 +1638,17 @@ static const struct ethtool_ops myri10ge_ethtool_ops = {
.get_msglevel = myri10ge_get_msglevel
};
-static int myri10ge_allocate_rings(struct net_device *dev)
+static int myri10ge_allocate_rings(struct myri10ge_slice_state *ss)
{
- struct myri10ge_priv *mgp;
+ struct myri10ge_priv *mgp = ss->mgp;
struct myri10ge_cmd cmd;
+ struct net_device *dev = mgp->dev;
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);
@@ -1566,144 +1658,142 @@ static int myri10ge_allocate_rings(struct net_device *dev)
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;
+ ss->tx.mask = tx_ring_entries - 1;
+ ss->rx_small.mask = ss->rx_big.mask = rx_ring_entries - 1;
status = -ENOMEM;
/* 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)
+ * sizeof(*ss->tx.req_list);
+ ss->tx.req_bytes = kzalloc(bytes, GFP_KERNEL);
+ if (ss->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);
+ ss->tx.req_list = (struct mcp_kreq_ether_send *)
+ ALIGN((unsigned long)ss->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)
+ bytes = rx_ring_entries * sizeof(*ss->rx_small.shadow);
+ ss->rx_small.shadow = kzalloc(bytes, GFP_KERNEL);
+ if (ss->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)
+ bytes = rx_ring_entries * sizeof(*ss->rx_big.shadow);
+ ss->rx_big.shadow = kzalloc(bytes, GFP_KERNEL);
+ if (ss->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)
+ bytes = tx_ring_entries * sizeof(*ss->tx.info);
+ ss->tx.info = kzalloc(bytes, GFP_KERNEL);
+ if (ss->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)
+ bytes = rx_ring_entries * sizeof(*ss->rx_small.info);
+ ss->rx_small.info = kzalloc(bytes, GFP_KERNEL);
+ if (ss->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)
+ bytes = rx_ring_entries * sizeof(*ss->rx_big.info);
+ ss->rx_big.info = kzalloc(bytes, GFP_KERNEL);
+ if (ss->rx_big.info == NULL)
goto abort_with_rx_small_info;
/* Fill the receive rings */
- mgp->rx_big.cnt = 0;
- mgp->rx_small.cnt = 0;
- mgp->rx_big.fill_cnt = 0;
- mgp->rx_small.fill_cnt = 0;
- mgp->rx_small.page_offset = MYRI10GE_ALLOC_SIZE;
- mgp->rx_big.page_offset = MYRI10GE_ALLOC_SIZE;
- mgp->rx_small.watchdog_needed = 0;
- mgp->rx_big.watchdog_needed = 0;
- myri10ge_alloc_rx_pages(mgp, &mgp->rx_small,
+ ss->rx_big.cnt = 0;
+ ss->rx_small.cnt = 0;
+ ss->rx_big.fill_cnt = 0;
+ ss->rx_small.fill_cnt = 0;
+ ss->rx_small.page_offset = MYRI10GE_ALLOC_SIZE;
+ ss->rx_big.page_offset = MYRI10GE_ALLOC_SIZE;
+ ss->rx_small.watchdog_needed = 0;
+ ss->rx_big.watchdog_needed = 0;
+ myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
mgp->small_bytes + MXGEFW_PAD, 0);
- if (mgp->rx_small.fill_cnt < mgp->rx_small.mask + 1) {
+ if (ss->rx_small.fill_cnt < ss->rx_small.mask + 1) {
printk(KERN_ERR "myri10ge: %s: alloced only %d small bufs\n",
- dev->name, mgp->rx_small.fill_cnt);
+ dev->name, ss->rx_small.fill_cnt);
goto abort_with_rx_small_ring;
}
- myri10ge_alloc_rx_pages(mgp, &mgp->rx_big, mgp->big_bytes, 0);
- if (mgp->rx_big.fill_cnt < mgp->rx_big.mask + 1) {
+ myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 0);
+ if (ss->rx_big.fill_cnt < ss->rx_big.mask + 1) {
printk(KERN_ERR "myri10ge: %s: alloced only %d big bufs\n",
- dev->name, mgp->rx_big.fill_cnt);
+ dev->name, ss->rx_big.fill_cnt);
goto abort_with_rx_big_ring;
}
return 0;
abort_with_rx_big_ring:
- for (i = mgp->rx_big.cnt; i < mgp->rx_big.fill_cnt; i++) {
- int idx = i & mgp->rx_big.mask;
- myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_big.info[idx],
+ for (i = ss->rx_big.cnt; i < ss->rx_big.fill_cnt; i++) {
+ int idx = i & ss->rx_big.mask;
+ myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_big.info[idx],
mgp->big_bytes);
- put_page(mgp->rx_big.info[idx].page);
+ put_page(ss->rx_big.info[idx].page);
}
abort_with_rx_small_ring:
- for (i = mgp->rx_small.cnt; i < mgp->rx_small.fill_cnt; i++) {
- int idx = i & mgp->rx_small.mask;
- myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_small.info[idx],
+ for (i = ss->rx_small.cnt; i < ss->rx_small.fill_cnt; i++) {
+ int idx = i & ss->rx_small.mask;
+ myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_small.info[idx],
mgp->small_bytes + MXGEFW_PAD);
- put_page(mgp->rx_small.info[idx].page);
+ put_page(ss->rx_small.info[idx].page);
}
- kfree(mgp->rx_big.info);
+ kfree(ss->rx_big.info);
abort_with_rx_small_info:
- kfree(mgp->rx_small.info);
+ kfree(ss->rx_small.info);
abort_with_tx_info:
- kfree(mgp->tx.info);
+ kfree(ss->tx.info);
abort_with_rx_big_shadow:
- kfree(mgp->rx_big.shadow);
+ kfree(ss->rx_big.shadow);
abort_with_rx_small_shadow:
- kfree(mgp->rx_small.shadow);
+ kfree(ss->rx_small.shadow);
abort_with_tx_req_bytes:
- kfree(mgp->tx.req_bytes);
- mgp->tx.req_bytes = NULL;
- mgp->tx.req_list = NULL;
+ kfree(ss->tx.req_bytes);
+ ss->tx.req_bytes = NULL;
+ ss->tx.req_list = NULL;
abort_with_nothing:
return status;
}
-static void myri10ge_free_rings(struct net_device *dev)
+static void myri10ge_free_rings(struct myri10ge_slice_state *ss)
{
- struct myri10ge_priv *mgp;
+ struct myri10ge_priv *mgp = ss->mgp;
struct sk_buff *skb;
struct myri10ge_tx_buf *tx;
int i, len, idx;
- mgp = netdev_priv(dev);
-
- for (i = mgp->rx_big.cnt; i < mgp->rx_big.fill_cnt; i++) {
- idx = i & mgp->rx_big.mask;
- if (i == mgp->rx_big.fill_cnt - 1)
- mgp->rx_big.info[idx].page_offset = MYRI10GE_ALLOC_SIZE;
- myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_big.info[idx],
+ for (i = ss->rx_big.cnt; i < ss->rx_big.fill_cnt; i++) {
+ idx = i & ss->rx_big.mask;
+ if (i == ss->rx_big.fill_cnt - 1)
+ ss->rx_big.info[idx].page_offset = MYRI10GE_ALLOC_SIZE;
+ myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_big.info[idx],
mgp->big_bytes);
- put_page(mgp->rx_big.info[idx].page);
+ put_page(ss->rx_big.info[idx].page);
}
- for (i = mgp->rx_small.cnt; i < mgp->rx_small.fill_cnt; i++) {
- idx = i & mgp->rx_small.mask;
- if (i == mgp->rx_small.fill_cnt - 1)
- mgp->rx_small.info[idx].page_offset =
+ for (i = ss->rx_small.cnt; i < ss->rx_small.fill_cnt; i++) {
+ idx = i & ss->rx_small.mask;
+ if (i == ss->rx_small.fill_cnt - 1)
+ ss->rx_small.info[idx].page_offset =
MYRI10GE_ALLOC_SIZE;
- myri10ge_unmap_rx_page(mgp->pdev, &mgp->rx_small.info[idx],
+ myri10ge_unmap_rx_page(mgp->pdev, &ss->rx_small.info[idx],
mgp->small_bytes + MXGEFW_PAD);
- put_page(mgp->rx_small.info[idx].page);
+ put_page(ss->rx_small.info[idx].page);
}
- tx = &mgp->tx;
+ tx = &ss->tx;
while (tx->done != tx->req) {
idx = tx->done & tx->mask;
skb = tx->info[idx].skb;
@@ -1714,7 +1804,7 @@ static void myri10ge_free_rings(struct net_device *dev)
len = pci_unmap_len(&tx->info[idx], len);
pci_unmap_len_set(&tx->info[idx], len, 0);
if (skb) {
- mgp->stats.tx_dropped++;
+ ss->stats.tx_dropped++;
dev_kfree_skb_any(skb);
if (len)
pci_unmap_single(mgp->pdev,
@@ -1729,19 +1819,19 @@ static void myri10ge_free_rings(struct net_device *dev)
PCI_DMA_TODEVICE);
}
}
- kfree(mgp->rx_big.info);
+ kfree(ss->rx_big.info);
- kfree(mgp->rx_small.info);
+ kfree(ss->rx_small.info);
- kfree(mgp->tx.info);
+ kfree(ss->tx.info);
- kfree(mgp->rx_big.shadow);
+ kfree(ss->rx_big.shadow);
- kfree(mgp->rx_small.shadow);
+ kfree(ss->rx_small.shadow);
- kfree(mgp->tx.req_bytes);
- mgp->tx.req_bytes = NULL;
- mgp->tx.req_list = NULL;
+ kfree(ss->tx.req_bytes);
+ ss->tx.req_bytes = NULL;
+ ss->tx.req_list = NULL;
}
static int myri10ge_request_irq(struct myri10ge_priv *mgp)
@@ -1840,13 +1930,11 @@ myri10ge_get_frag_header(struct skb_frag_struct *frag, void **mac_hdr,
static int myri10ge_open(struct net_device *dev)
{
- struct myri10ge_priv *mgp;
+ struct myri10ge_priv *mgp = netdev_priv(dev);
struct myri10ge_cmd cmd;
struct net_lro_mgr *lro_mgr;
int status, big_pow2;
- mgp = netdev_priv(dev);
-
if (mgp->running != MYRI10GE_ETH_STOPPED)
return -EBUSY;
@@ -1883,16 +1971,16 @@ static int myri10ge_open(struct net_device *dev)
/* 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 =
+ mgp->ss.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 =
+ mgp->ss.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 =
+ mgp->ss.rx_big.lanai =
(struct mcp_kreq_ether_recv __iomem *)(mgp->sram + cmd.data0);
if (status != 0) {
@@ -1904,15 +1992,15 @@ static int myri10ge_open(struct net_device *dev)
}
if (myri10ge_wcfifo && mgp->wc_enabled) {
- mgp->tx.wc_fifo = (u8 __iomem *) mgp->sram + MXGEFW_ETH_SEND_4;
- mgp->rx_small.wc_fifo =
+ mgp->ss.tx.wc_fifo = (u8 __iomem *) mgp->sram + MXGEFW_ETH_SEND_4;
+ mgp->ss.rx_small.wc_fifo =
(u8 __iomem *) mgp->sram + MXGEFW_ETH_RECV_SMALL;
- mgp->rx_big.wc_fifo =
+ mgp->ss.rx_big.wc_fifo =
(u8 __iomem *) mgp->sram + MXGEFW_ETH_RECV_BIG;
} else {
- mgp->tx.wc_fifo = NULL;
- mgp->rx_small.wc_fifo = NULL;
- mgp->rx_big.wc_fifo = NULL;
+ mgp->ss.tx.wc_fifo = NULL;
+ mgp->ss.rx_small.wc_fifo = NULL;
+ mgp->ss.rx_big.wc_fifo = NULL;
}
/* Firmware needs the big buff size as a power of 2. Lie and
@@ -1929,7 +2017,7 @@ static int myri10ge_open(struct net_device *dev)
mgp->big_bytes = big_pow2;
}
- status = myri10ge_allocate_rings(dev);
+ status = myri10ge_allocate_rings(&mgp->ss);
if (status != 0)
goto abort_with_irq;
@@ -1948,12 +2036,12 @@ static int myri10ge_open(struct net_device *dev)
goto abort_with_rings;
}
- cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->fw_stats_bus);
- cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->fw_stats_bus);
+ cmd.data0 = MYRI10GE_LOWPART_TO_U32(mgp->ss.fw_stats_bus);
+ cmd.data1 = MYRI10GE_HIGHPART_TO_U32(mgp->ss.fw_stats_bus);
cmd.data2 = sizeof(struct mcp_irq_data);
status = myri10ge_send_cmd(mgp, MXGEFW_CMD_SET_STATS_DMA_V2, &cmd, 0);
if (status == -ENOSYS) {
- dma_addr_t bus = mgp->fw_stats_bus;
+ dma_addr_t bus = mgp->ss.fw_stats_bus;
bus += offsetof(struct mcp_irq_data, send_done_count);
cmd.data0 = MYRI10GE_LOWPART_TO_U32(bus);
cmd.data1 = MYRI10GE_HIGHPART_TO_U32(bus);
@@ -1974,20 +2062,20 @@ static int myri10ge_open(struct net_device *dev)
mgp->link_state = ~0U;
mgp->rdma_tags_available = 15;
- lro_mgr = &mgp->rx_done.lro_mgr;
+ lro_mgr = &mgp->ss.rx_done.lro_mgr;
lro_mgr->dev = dev;
lro_mgr->features = LRO_F_NAPI;
lro_mgr->ip_summed = CHECKSUM_COMPLETE;
lro_mgr->ip_summed_aggr = CHECKSUM_UNNECESSARY;
lro_mgr->max_desc = MYRI10GE_MAX_LRO_DESCRIPTORS;
- lro_mgr->lro_arr = mgp->rx_done.lro_desc;
+ lro_mgr->lro_arr = mgp->ss.rx_done.lro_desc;
lro_mgr->get_frag_header = myri10ge_get_frag_header;
lro_mgr->max_aggr = myri10ge_lro_max_pkts;
lro_mgr->frag_align_pad = 2;
if (lro_mgr->max_aggr > MAX_SKB_FRAGS)
lro_mgr->max_aggr = MAX_SKB_FRAGS;
- napi_enable(&mgp->napi); /* must happen prior to any irq */
+ napi_enable(&mgp->ss.napi); /* must happen prior to any irq */
status = myri10ge_send_cmd(mgp, MXGEFW_CMD_ETHERNET_UP, &cmd, 0);
if (status) {
@@ -1996,8 +2084,8 @@ static int myri10ge_open(struct net_device *dev)
goto abort_with_rings;
}
- mgp->wake_queue = 0;
- mgp->stop_queue = 0;
+ mgp->ss.tx.wake_queue = 0;
+ mgp->ss.tx.stop_queue = 0;
mgp->running = MYRI10GE_ETH_RUNNING;
mgp->watchdog_timer.expires = jiffies + myri10ge_watchdog_timeout * HZ;
add_timer(&mgp->watchdog_timer);
@@ -2005,7 +2093,7 @@ static int myri10ge_open(struct net_device *dev)
return 0;
abort_with_rings:
- myri10ge_free_rings(dev);
+ myri10ge_free_rings(&mgp->ss);
abort_with_irq:
myri10ge_free_irq(mgp);
@@ -2017,21 +2105,19 @@ abort_with_nothing:
static int myri10ge_close(struct net_device *dev)
{
- struct myri10ge_priv *mgp;
+ struct myri10ge_priv *mgp = netdev_priv(dev);
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)
+ if (mgp->ss.tx.req_bytes == NULL)
return 0;
del_timer_sync(&mgp->watchdog_timer);
mgp->running = MYRI10GE_ETH_STOPPING;
- napi_disable(&mgp->napi);
+ napi_disable(&mgp->ss.napi);
netif_carrier_off(dev);
netif_stop_queue(dev);
old_down_cnt = mgp->down_cnt;
@@ -2047,7 +2133,7 @@ static int myri10ge_close(struct net_device *dev)
netif_tx_disable(dev);
myri10ge_free_irq(mgp);
- myri10ge_free_rings(dev);
+ myri10ge_free_rings(&mgp->ss);
mgp->running = MYRI10GE_ETH_STOPPED;
return 0;
@@ -2143,7 +2229,7 @@ myri10ge_submit_req_wc(struct myri10ge_tx_buf *tx,
/*
* Transmit a packet. We need to split the packet so that a single
- * segment does not cross myri10ge->tx.boundary, so this makes segment
+ * 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
@@ -2154,8 +2240,9 @@ myri10ge_submit_req_wc(struct myri10ge_tx_buf *tx,
static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct myri10ge_priv *mgp = netdev_priv(dev);
+ struct myri10ge_slice_state *ss;
struct mcp_kreq_ether_send *req;
- struct myri10ge_tx_buf *tx = &mgp->tx;
+ struct myri10ge_tx_buf *tx;
struct skb_frag_struct *frag;
dma_addr_t bus;
u32 low;
@@ -2166,6 +2253,9 @@ static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev)
int cum_len, seglen, boundary, rdma_count;
u8 flags, odd_flag;
+ /* always transmit through slot 0 */
+ ss = &mgp->ss;
+ tx = &ss->tx;
again:
req = tx->req_list;
avail = tx->mask - 1 - (tx->req - tx->done);
@@ -2180,7 +2270,7 @@ again:
if ((unlikely(avail < max_segments))) {
/* we are out of transmit resources */
- mgp->stop_queue++;
+ tx->stop_queue++;
netif_stop_queue(dev);
return 1;
}
@@ -2242,7 +2332,7 @@ again:
if (skb_padto(skb, ETH_ZLEN)) {
/* The packet is gone, so we must
* return 0 */
- mgp->stats.tx_dropped += 1;
+ ss->stats.tx_dropped += 1;
return 0;
}
/* adjust the len to account for the zero pad
@@ -2284,7 +2374,7 @@ again:
while (1) {
/* Break the SKB or Fragment up into pieces which
- * do not cross mgp->tx.boundary */
+ * do not cross mgp->tx_boundary */
low = MYRI10GE_LOWPART_TO_U32(bus);
high_swapped = htonl(MYRI10GE_HIGHPART_TO_U32(bus));
while (len) {
@@ -2294,7 +2384,8 @@ again:
if (unlikely(count == max_segments))
goto abort_linearize;
- boundary = (low + tx->boundary) & ~(tx->boundary - 1);
+ boundary =
+ (low + mgp->tx_boundary) & ~(mgp->tx_boundary - 1);
seglen = boundary - low;
if (seglen > len)
seglen = len;
@@ -2378,7 +2469,7 @@ again:
myri10ge_submit_req_wc(tx, tx->req_list, count);
tx->pkt_start++;
if ((avail - count) < MXGEFW_MAX_SEND_DESC) {
- mgp->stop_queue++;
+ tx->stop_queue++;
netif_stop_queue(dev);
}
dev->trans_start = jiffies;
@@ -2420,12 +2511,12 @@ abort_linearize:
if (skb_linearize(skb))
goto drop;
- mgp->tx_linearized++;
+ tx->linearized++;
goto again;
drop:
dev_kfree_skb_any(skb);
- mgp->stats.tx_dropped += 1;
+ ss->stats.tx_dropped += 1;
return 0;
}
@@ -2433,7 +2524,7 @@ drop:
static int myri10ge_sw_tso(struct sk_buff *skb, struct net_device *dev)
{
struct sk_buff *segs, *curr;
- struct myri10ge_priv *mgp = dev->priv;
+ struct myri10ge_priv *mgp = netdev_priv(dev);
int status;
segs = skb_gso_segment(skb, dev->features & ~NETIF_F_TSO6);
@@ -2473,14 +2564,13 @@ static struct net_device_stats *myri10ge_get_stats(struct net_device *dev)
static void myri10ge_set_multicast_list(struct net_device *dev)
{
+ struct myri10ge_priv *mgp = netdev_priv(dev);
struct myri10ge_cmd cmd;
- struct myri10ge_priv *mgp;
struct dev_mc_list *mc_list;
__be32 data[2] = { 0, 0 };
int err;
DECLARE_MAC_BUF(mac);
- mgp = netdev_priv(dev);
/* can be called from atomic contexts,
* pass 1 to force atomicity in myri10ge_send_cmd() */
myri10ge_change_promisc(mgp, dev->flags & IFF_PROMISC, 1);
@@ -2616,13 +2706,14 @@ static void myri10ge_enable_ecrc(struct myri10ge_priv *mgp)
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;
+ struct pci_dev *prev_bridge, *old_bridge = bridge;
/* Walk the hierarchy up to the root port
* where ECRC has to be enabled */
do {
+ prev_bridge = bridge;
bridge = bridge->bus->self;
- if (!bridge) {
+ if (!bridge || prev_bridge == bridge) {
dev_err(dev,
"Failed to find root port"
" to force ECRC\n");
@@ -2681,9 +2772,9 @@ static void myri10ge_enable_ecrc(struct myri10ge_priv *mgp)
* 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
+ * 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.
+ * firmware image, and set tx_boundary to 4KB.
*/
static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
@@ -2692,7 +2783,7 @@ static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
struct device *dev = &pdev->dev;
int status;
- mgp->tx.boundary = 4096;
+ mgp->tx_boundary = 4096;
/*
* Verify the max read request size was set to 4KB
* before trying the test with 4KB.
@@ -2704,7 +2795,7 @@ static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
}
if (status != 4096) {
dev_warn(dev, "Max Read Request size != 4096 (%d)\n", status);
- mgp->tx.boundary = 2048;
+ mgp->tx_boundary = 2048;
}
/*
* load the optimized firmware (which assumes aligned PCIe
@@ -2737,7 +2828,7 @@ static void myri10ge_firmware_probe(struct myri10ge_priv *mgp)
"Please install up to date fw\n");
abort:
/* fall back to using the unaligned firmware */
- mgp->tx.boundary = 2048;
+ mgp->tx_boundary = 2048;
mgp->fw_name = myri10ge_fw_unaligned;
}
@@ -2758,7 +2849,7 @@ static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
if (link_width < 8) {
dev_info(&mgp->pdev->dev, "PCIE x%d Link\n",
link_width);
- mgp->tx.boundary = 4096;
+ mgp->tx_boundary = 4096;
mgp->fw_name = myri10ge_fw_aligned;
} else {
myri10ge_firmware_probe(mgp);
@@ -2767,12 +2858,12 @@ static void myri10ge_select_firmware(struct myri10ge_priv *mgp)
if (myri10ge_force_firmware == 1) {
dev_info(&mgp->pdev->dev,
"Assuming aligned completions (forced)\n");
- mgp->tx.boundary = 4096;
+ 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->tx_boundary = 2048;
mgp->fw_name = myri10ge_fw_unaligned;
}
}
@@ -2889,6 +2980,7 @@ static void myri10ge_watchdog(struct work_struct *work)
{
struct myri10ge_priv *mgp =
container_of(work, struct myri10ge_priv, watchdog_work);
+ struct myri10ge_tx_buf *tx;
u32 reboot;
int status;
u16 cmd, vendor;
@@ -2938,15 +3030,16 @@ static void myri10ge_watchdog(struct work_struct *work)
printk(KERN_ERR "myri10ge: %s: device timeout, resetting\n",
mgp->dev->name);
+ tx = &mgp->ss.tx;
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));
+ mgp->dev->name, tx->req, tx->done,
+ tx->pkt_start, tx->pkt_done,
+ (int)ntohl(mgp->ss.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));
+ mgp->dev->name, tx->req, tx->done,
+ tx->pkt_start, tx->pkt_done,
+ (int)ntohl(mgp->ss.fw_stats->send_done_count));
}
rtnl_lock();
myri10ge_close(mgp->dev);
@@ -2969,28 +3062,31 @@ static void myri10ge_watchdog(struct work_struct *work)
static void myri10ge_watchdog_timer(unsigned long arg)
{
struct myri10ge_priv *mgp;
+ struct myri10ge_slice_state *ss;
u32 rx_pause_cnt;
mgp = (struct myri10ge_priv *)arg;
- if (mgp->rx_small.watchdog_needed) {
- myri10ge_alloc_rx_pages(mgp, &mgp->rx_small,
+ rx_pause_cnt = ntohl(mgp->ss.fw_stats->dropped_pause);
+
+ ss = &mgp->ss;
+ if (ss->rx_small.watchdog_needed) {
+ myri10ge_alloc_rx_pages(mgp, &ss->rx_small,
mgp->small_bytes + MXGEFW_PAD, 1);
- if (mgp->rx_small.fill_cnt - mgp->rx_small.cnt >=
+ if (ss->rx_small.fill_cnt - ss->rx_small.cnt >=
myri10ge_fill_thresh)
- mgp->rx_small.watchdog_needed = 0;
+ ss->rx_small.watchdog_needed = 0;
}
- if (mgp->rx_big.watchdog_needed) {
- myri10ge_alloc_rx_pages(mgp, &mgp->rx_big, mgp->big_bytes, 1);
- if (mgp->rx_big.fill_cnt - mgp->rx_big.cnt >=
+ if (ss->rx_big.watchdog_needed) {
+ myri10ge_alloc_rx_pages(mgp, &ss->rx_big, mgp->big_bytes, 1);
+ if (ss->rx_big.fill_cnt - ss->rx_big.cnt >=
myri10ge_fill_thresh)
- mgp->rx_big.watchdog_needed = 0;
+ ss->rx_big.watchdog_needed = 0;
}
- rx_pause_cnt = ntohl(mgp->fw_stats->dropped_pause);
- if (mgp->tx.req != mgp->tx.done &&
- mgp->tx.done == mgp->watchdog_tx_done &&
- mgp->watchdog_tx_req != mgp->watchdog_tx_done) {
+ if (ss->tx.req != ss->tx.done &&
+ ss->tx.done == ss->watchdog_tx_done &&
+ ss->watchdog_tx_req != ss->watchdog_tx_done) {
/* nic seems like it might be stuck.. */
if (rx_pause_cnt != mgp->watchdog_pause) {
if (net_ratelimit())
@@ -3005,8 +3101,8 @@ static void myri10ge_watchdog_timer(unsigned long arg)
/* rearm timer */
mod_timer(&mgp->watchdog_timer,
jiffies + myri10ge_watchdog_timeout * HZ);
- mgp->watchdog_tx_done = mgp->tx.done;
- mgp->watchdog_tx_req = mgp->tx.req;
+ ss->watchdog_tx_done = ss->tx.done;
+ ss->watchdog_tx_req = ss->tx.req;
mgp->watchdog_pause = rx_pause_cnt;
}
@@ -3030,7 +3126,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
mgp = netdev_priv(netdev);
mgp->dev = netdev;
- netif_napi_add(netdev, &mgp->napi, myri10ge_poll, myri10ge_napi_weight);
+ netif_napi_add(netdev, &mgp->ss.napi, myri10ge_poll, myri10ge_napi_weight);
mgp->pdev = pdev;
mgp->csum_flag = MXGEFW_FLAGS_CKSUM;
mgp->pause = myri10ge_flow_control;
@@ -3076,9 +3172,9 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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)
+ mgp->ss.fw_stats = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->ss.fw_stats),
+ &mgp->ss.fw_stats_bus, GFP_KERNEL);
+ if (mgp->ss.fw_stats == NULL)
goto abort_with_cmd;
mgp->board_span = pci_resource_len(pdev, 0);
@@ -3118,12 +3214,12 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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)
+ bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
+ mgp->ss.rx_done.entry = dma_alloc_coherent(&pdev->dev, bytes,
+ &mgp->ss.rx_done.bus, GFP_KERNEL);
+ if (mgp->ss.rx_done.entry == NULL)
goto abort_with_ioremap;
- memset(mgp->rx_done.entry, 0, bytes);
+ memset(mgp->ss.rx_done.entry, 0, bytes);
myri10ge_select_firmware(mgp);
@@ -3183,7 +3279,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
dev_info(dev, "%s IRQ %d, tx bndry %d, fw %s, WC %s\n",
(mgp->msi_enabled ? "MSI" : "xPIC"),
- netdev->irq, mgp->tx.boundary, mgp->fw_name,
+ netdev->irq, mgp->tx_boundary, mgp->fw_name,
(mgp->wc_enabled ? "Enabled" : "Disabled"));
return 0;
@@ -3195,9 +3291,9 @@ abort_with_firmware:
myri10ge_dummy_rdma(mgp, 0);
abort_with_rx_done:
- bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry);
+ bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
dma_free_coherent(&pdev->dev, bytes,
- mgp->rx_done.entry, mgp->rx_done.bus);
+ mgp->ss.rx_done.entry, mgp->ss.rx_done.bus);
abort_with_ioremap:
iounmap(mgp->sram);
@@ -3207,8 +3303,8 @@ abort_with_wc:
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->ss.fw_stats),
+ mgp->ss.fw_stats, mgp->ss.fw_stats_bus);
abort_with_cmd:
dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd),
@@ -3246,9 +3342,9 @@ static void myri10ge_remove(struct pci_dev *pdev)
/* avoid a memory leak */
pci_restore_state(pdev);
- bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry);
+ bytes = mgp->max_intr_slots * sizeof(*mgp->ss.rx_done.entry);
dma_free_coherent(&pdev->dev, bytes,
- mgp->rx_done.entry, mgp->rx_done.bus);
+ mgp->ss.rx_done.entry, mgp->ss.rx_done.bus);
iounmap(mgp->sram);
@@ -3256,8 +3352,8 @@ static void myri10ge_remove(struct pci_dev *pdev)
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->ss.fw_stats),
+ mgp->ss.fw_stats, mgp->ss.fw_stats_bus);
dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd),
mgp->cmd, mgp->cmd_bus);
diff --git a/drivers/net/myri10ge/myri10ge_mcp.h b/drivers/net/myri10ge/myri10ge_mcp.h
index 58e57178c563..fdbeeee07372 100644
--- a/drivers/net/myri10ge/myri10ge_mcp.h
+++ b/drivers/net/myri10ge/myri10ge_mcp.h
@@ -10,7 +10,7 @@ struct mcp_dma_addr {
__be32 low;
};
-/* 4 Bytes. 8 Bytes for NDIS drivers. */
+/* 4 Bytes */
struct mcp_slot {
__sum16 checksum;
__be16 length;
@@ -144,6 +144,7 @@ enum myri10ge_mcp_cmd_type {
* a power of 2 number of entries. */
MXGEFW_CMD_SET_INTRQ_SIZE, /* in bytes */
+#define MXGEFW_CMD_SET_INTRQ_SIZE_FLAG_NO_STRICT_SIZE_CHECK (1 << 31)
/* command to bring ethernet interface up. Above parameters
* (plus mtu & mac address) must have been exchanged prior
@@ -221,10 +222,14 @@ enum myri10ge_mcp_cmd_type {
MXGEFW_CMD_GET_MAX_RSS_QUEUES,
MXGEFW_CMD_ENABLE_RSS_QUEUES,
/* data0 = number of slices n (0, 1, ..., n-1) to enable
- * data1 = interrupt mode. 0=share one INTx/MSI, 1=use one MSI-X per queue.
+ * data1 = interrupt mode.
+ * 0=share one INTx/MSI, 1=use one MSI-X per queue.
* If all queues share one interrupt, the driver must have set
* RSS_SHARED_INTERRUPT_DMA before enabling queues.
*/
+#define MXGEFW_SLICE_INTR_MODE_SHARED 0
+#define MXGEFW_SLICE_INTR_MODE_ONE_PER_SLICE 1
+
MXGEFW_CMD_GET_RSS_SHARED_INTERRUPT_MASK_OFFSET,
MXGEFW_CMD_SET_RSS_SHARED_INTERRUPT_DMA,
/* data0, data1 = bus address lsw, msw */
@@ -241,10 +246,14 @@ enum myri10ge_mcp_cmd_type {
* 0: disable rss. nic does not distribute receive packets.
* 1: enable rss. nic distributes receive packets among queues.
* data1 = hash type
- * 1: IPV4
- * 2: TCP_IPV4
- * 3: IPV4 | TCP_IPV4
+ * 1: IPV4 (required by RSS)
+ * 2: TCP_IPV4 (required by RSS)
+ * 3: IPV4 | TCP_IPV4 (required by RSS)
+ * 4: source port
*/
+#define MXGEFW_RSS_HASH_TYPE_IPV4 0x1
+#define MXGEFW_RSS_HASH_TYPE_TCP_IPV4 0x2
+#define MXGEFW_RSS_HASH_TYPE_SRC_PORT 0x4
MXGEFW_CMD_GET_MAX_TSO6_HDR_SIZE,
/* Return data = the max. size of the entire headers of a IPv6 TSO packet.
@@ -260,6 +269,8 @@ enum myri10ge_mcp_cmd_type {
* 0: Linux/FreeBSD style (NIC default)
* 1: NDIS/NetBSD style
*/
+#define MXGEFW_TSO_MODE_LINUX 0
+#define MXGEFW_TSO_MODE_NDIS 1
MXGEFW_CMD_MDIO_READ,
/* data0 = dev_addr (PMA/PMD or PCS ...), data1 = register/addr */
@@ -286,6 +297,38 @@ enum myri10ge_mcp_cmd_type {
/* Return data = NIC memory offset of mcp_vpump_public_global */
MXGEFW_CMD_RESET_VPUMP,
/* Resets the VPUMP state */
+
+ MXGEFW_CMD_SET_RSS_MCP_SLOT_TYPE,
+ /* data0 = mcp_slot type to use.
+ * 0 = the default 4B mcp_slot
+ * 1 = 8B mcp_slot_8
+ */
+#define MXGEFW_RSS_MCP_SLOT_TYPE_MIN 0
+#define MXGEFW_RSS_MCP_SLOT_TYPE_WITH_HASH 1
+
+ MXGEFW_CMD_SET_THROTTLE_FACTOR,
+ /* set the throttle factor for ethp_z8e
+ * data0 = throttle_factor
+ * throttle_factor = 256 * pcie-raw-speed / tx_speed
+ * tx_speed = 256 * pcie-raw-speed / throttle_factor
+ *
+ * For PCI-E x8: pcie-raw-speed == 16Gb/s
+ * For PCI-E x4: pcie-raw-speed == 8Gb/s
+ *
+ * ex1: throttle_factor == 0x1a0 (416), tx_speed == 1.23GB/s == 9.846 Gb/s
+ * ex2: throttle_factor == 0x200 (512), tx_speed == 1.0GB/s == 8 Gb/s
+ *
+ * with tx_boundary == 2048, max-throttle-factor == 8191 => min-speed == 500Mb/s
+ * with tx_boundary == 4096, max-throttle-factor == 4095 => min-speed == 1Gb/s
+ */
+
+ MXGEFW_CMD_VPUMP_UP,
+ /* Allocates VPump Connection, Send Request and Zero copy buffer address tables */
+ MXGEFW_CMD_GET_VPUMP_CLK,
+ /* Get the lanai clock */
+
+ MXGEFW_CMD_GET_DCA_OFFSET,
+ /* offset of dca control for WDMAs */
};
enum myri10ge_mcp_cmd_status {
@@ -302,7 +345,8 @@ enum myri10ge_mcp_cmd_status {
MXGEFW_CMD_ERROR_UNALIGNED,
MXGEFW_CMD_ERROR_NO_MDIO,
MXGEFW_CMD_ERROR_XFP_FAILURE,
- MXGEFW_CMD_ERROR_XFP_ABSENT
+ MXGEFW_CMD_ERROR_XFP_ABSENT,
+ MXGEFW_CMD_ERROR_BAD_PCIE_LINK
};
#define MXGEFW_OLD_IRQ_DATA_LEN 40
diff --git a/drivers/net/myri10ge/myri10ge_mcp_gen_header.h b/drivers/net/myri10ge/myri10ge_mcp_gen_header.h
index 16a810dd6d51..07d65c2cbb24 100644
--- a/drivers/net/myri10ge/myri10ge_mcp_gen_header.h
+++ b/drivers/net/myri10ge/myri10ge_mcp_gen_header.h
@@ -1,30 +1,6 @@
#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
@@ -32,13 +8,14 @@
#define MCP_TYPE_PCIE 0x70636965 /* "PCIE" pcie-only MCP */
#define MCP_TYPE_ETH 0x45544820 /* "ETH " */
#define MCP_TYPE_MCP0 0x4d435030 /* "MCP0" */
+#define MCP_TYPE_DFLT 0x20202020 /* " " */
struct mcp_gen_header {
/* the first 4 fields are filled at compile time */
unsigned header_length;
__be32 mcp_type;
char version[128];
- unsigned mcp_globals; /* pointer to mcp-type specific structure */
+ unsigned mcp_private; /* pointer to mcp-type specific structure */
/* filled by the MCP at run-time */
unsigned sram_size;
@@ -53,6 +30,18 @@ struct mcp_gen_header {
*
* Never remove any field. Keep everything naturally align.
*/
+
+ /* Specifies if the running mcp is mcp0, 1, or 2. */
+ unsigned char mcp_index;
+ unsigned char disable_rabbit;
+ unsigned char unaligned_tlp;
+ unsigned char pad1;
+ unsigned counters_addr;
+ unsigned copy_block_info; /* for small mcps loaded with "lload -d" */
+ unsigned short handoff_id_major; /* must be equal */
+ unsigned short handoff_id_caps; /* bitfield: new mcp must have superset */
+ unsigned msix_table_addr; /* start address of msix table in firmware */
+ /* 8 */
};
#endif /* __MYRI10GE_MCP_GEN_HEADER_H__ */
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-18 07:24:42 +0000