diff options
Diffstat (limited to 'drivers/net/myri10ge/myri10ge.c')
| -rw-r--r-- | drivers/net/myri10ge/myri10ge.c | 594 |
1 files changed, 316 insertions, 278 deletions
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 6526214f69d9..5edcbfe93065 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 +162,49 @@ 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; 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; @@ -191,17 +213,12 @@ 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]; @@ -643,7 +660,7 @@ 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"); @@ -654,7 +671,7 @@ static int myri10ge_load_firmware(struct myri10ge_priv *mgp) } mgp->fw_name = "adopted"; - mgp->tx.boundary = 2048; + mgp->tx_boundary = 2048; return status; } @@ -780,7 +797,7 @@ 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); @@ -842,17 +859,17 @@ 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 = myri10ge_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); @@ -866,17 +883,17 @@ 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); @@ -1028,9 +1045,10 @@ 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; @@ -1060,11 +1078,10 @@ 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; } @@ -1104,10 +1121,11 @@ 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; @@ -1125,8 +1143,8 @@ 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, @@ -1142,16 +1160,18 @@ 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; @@ -1167,11 +1187,11 @@ 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; @@ -1182,25 +1202,25 @@ static inline int myri10ge_clean_rx_done(struct myri10ge_priv *mgp, int budget) } 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); @@ -1227,9 +1247,9 @@ 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); @@ -1242,26 +1262,27 @@ 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; @@ -1272,7 +1293,7 @@ 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); @@ -1289,7 +1310,7 @@ 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); @@ -1304,7 +1325,7 @@ 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); } @@ -1409,10 +1430,10 @@ 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; @@ -1452,7 +1473,7 @@ 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", @@ -1462,28 +1483,39 @@ 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; } } @@ -1492,7 +1524,7 @@ 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; } @@ -1503,12 +1535,13 @@ 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; @@ -1516,40 +1549,44 @@ 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) @@ -1585,19 +1622,17 @@ 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); @@ -1607,144 +1642,142 @@ 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; @@ -1755,7 +1788,7 @@ 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, @@ -1770,19 +1803,19 @@ 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) @@ -1881,13 +1914,11 @@ 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; @@ -1924,16 +1955,16 @@ 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) { @@ -1945,15 +1976,15 @@ 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 @@ -1970,7 +2001,7 @@ 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; @@ -1989,12 +2020,12 @@ 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); @@ -2015,20 +2046,20 @@ 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) { @@ -2037,8 +2068,8 @@ 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); @@ -2046,7 +2077,7 @@ 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); @@ -2058,21 +2089,19 @@ 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; @@ -2088,7 +2117,7 @@ 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; @@ -2184,7 +2213,7 @@ 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 @@ -2195,8 +2224,9 @@ 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; @@ -2207,6 +2237,9 @@ 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); @@ -2221,7 +2254,7 @@ again: if ((unlikely(avail < max_segments))) { /* we are out of transmit resources */ - mgp->stop_queue++; + tx->stop_queue++; netif_stop_queue(dev); return 1; } @@ -2283,7 +2316,7 @@ 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 @@ -2325,7 +2358,7 @@ 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) { @@ -2335,7 +2368,8 @@ 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; @@ -2419,7 +2453,7 @@ 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; @@ -2461,12 +2495,12 @@ 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; } @@ -2474,7 +2508,7 @@ 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); @@ -2514,14 +2548,13 @@ 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); @@ -2723,9 +2756,9 @@ 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) @@ -2734,7 +2767,7 @@ 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. @@ -2746,7 +2779,7 @@ 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 @@ -2779,7 +2812,7 @@ 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; } @@ -2800,7 +2833,7 @@ 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); @@ -2809,12 +2842,12 @@ 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; } } @@ -2931,6 +2964,7 @@ 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; @@ -2980,15 +3014,16 @@ 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); @@ -3011,28 +3046,31 @@ 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()) @@ -3047,8 +3085,8 @@ 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; } @@ -3072,7 +3110,7 @@ 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; @@ -3118,9 +3156,9 @@ 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); @@ -3160,12 +3198,12 @@ 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 = myri10ge_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); @@ -3225,7 +3263,7 @@ 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; @@ -3237,9 +3275,9 @@ abort_with_firmware: myri10ge_dummy_rdma(mgp, 0); abort_with_rx_done: - bytes = myri10ge_max_intr_slots * sizeof(*mgp->rx_done.entry); + bytes = myri10ge_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); @@ -3249,8 +3287,8 @@ 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), @@ -3288,9 +3326,9 @@ 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 = myri10ge_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); @@ -3298,8 +3336,8 @@ 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); |