diff options
Diffstat (limited to 'drivers/net/ixgb')
| -rw-r--r-- | drivers/net/ixgb/ixgb.h | 2 | ||||
| -rw-r--r-- | drivers/net/ixgb/ixgb_ethtool.c | 69 | ||||
| -rw-r--r-- | drivers/net/ixgb/ixgb_main.c | 118 |
3 files changed, 110 insertions, 79 deletions
diff --git a/drivers/net/ixgb/ixgb.h b/drivers/net/ixgb/ixgb.h index d85717e..5257ae0 100644 --- a/drivers/net/ixgb/ixgb.h +++ b/drivers/net/ixgb/ixgb.h @@ -117,6 +117,7 @@ struct ixgb_buffer { unsigned long time_stamp; u16 length; u16 next_to_watch; + u16 mapped_as_page; }; struct ixgb_desc_ring { @@ -183,7 +184,6 @@ struct ixgb_adapter { struct napi_struct napi; struct net_device *netdev; struct pci_dev *pdev; - struct net_device_stats net_stats; /* structs defined in ixgb_hw.h */ struct ixgb_hw hw; diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c index 288ee1d..a4ed96c 100644 --- a/drivers/net/ixgb/ixgb_ethtool.c +++ b/drivers/net/ixgb/ixgb_ethtool.c @@ -34,38 +34,46 @@ #define IXGB_ALL_RAR_ENTRIES 16 +enum {NETDEV_STATS, IXGB_STATS}; + struct ixgb_stats { char stat_string[ETH_GSTRING_LEN]; + int type; int sizeof_stat; int stat_offset; }; -#define IXGB_STAT(m) FIELD_SIZEOF(struct ixgb_adapter, m), \ - offsetof(struct ixgb_adapter, m) +#define IXGB_STAT(m) IXGB_STATS, \ + FIELD_SIZEOF(struct ixgb_adapter, m), \ + offsetof(struct ixgb_adapter, m) +#define IXGB_NETDEV_STAT(m) NETDEV_STATS, \ + FIELD_SIZEOF(struct net_device, m), \ + offsetof(struct net_device, m) + static struct ixgb_stats ixgb_gstrings_stats[] = { - {"rx_packets", IXGB_STAT(net_stats.rx_packets)}, - {"tx_packets", IXGB_STAT(net_stats.tx_packets)}, - {"rx_bytes", IXGB_STAT(net_stats.rx_bytes)}, - {"tx_bytes", IXGB_STAT(net_stats.tx_bytes)}, - {"rx_errors", IXGB_STAT(net_stats.rx_errors)}, - {"tx_errors", IXGB_STAT(net_stats.tx_errors)}, - {"rx_dropped", IXGB_STAT(net_stats.rx_dropped)}, - {"tx_dropped", IXGB_STAT(net_stats.tx_dropped)}, - {"multicast", IXGB_STAT(net_stats.multicast)}, - {"collisions", IXGB_STAT(net_stats.collisions)}, - -/* { "rx_length_errors", IXGB_STAT(net_stats.rx_length_errors) }, */ - {"rx_over_errors", IXGB_STAT(net_stats.rx_over_errors)}, - {"rx_crc_errors", IXGB_STAT(net_stats.rx_crc_errors)}, - {"rx_frame_errors", IXGB_STAT(net_stats.rx_frame_errors)}, + {"rx_packets", IXGB_NETDEV_STAT(stats.rx_packets)}, + {"tx_packets", IXGB_NETDEV_STAT(stats.tx_packets)}, + {"rx_bytes", IXGB_NETDEV_STAT(stats.rx_bytes)}, + {"tx_bytes", IXGB_NETDEV_STAT(stats.tx_bytes)}, + {"rx_errors", IXGB_NETDEV_STAT(stats.rx_errors)}, + {"tx_errors", IXGB_NETDEV_STAT(stats.tx_errors)}, + {"rx_dropped", IXGB_NETDEV_STAT(stats.rx_dropped)}, + {"tx_dropped", IXGB_NETDEV_STAT(stats.tx_dropped)}, + {"multicast", IXGB_NETDEV_STAT(stats.multicast)}, + {"collisions", IXGB_NETDEV_STAT(stats.collisions)}, + +/* { "rx_length_errors", IXGB_NETDEV_STAT(stats.rx_length_errors) }, */ + {"rx_over_errors", IXGB_NETDEV_STAT(stats.rx_over_errors)}, + {"rx_crc_errors", IXGB_NETDEV_STAT(stats.rx_crc_errors)}, + {"rx_frame_errors", IXGB_NETDEV_STAT(stats.rx_frame_errors)}, {"rx_no_buffer_count", IXGB_STAT(stats.rnbc)}, - {"rx_fifo_errors", IXGB_STAT(net_stats.rx_fifo_errors)}, - {"rx_missed_errors", IXGB_STAT(net_stats.rx_missed_errors)}, - {"tx_aborted_errors", IXGB_STAT(net_stats.tx_aborted_errors)}, - {"tx_carrier_errors", IXGB_STAT(net_stats.tx_carrier_errors)}, - {"tx_fifo_errors", IXGB_STAT(net_stats.tx_fifo_errors)}, - {"tx_heartbeat_errors", IXGB_STAT(net_stats.tx_heartbeat_errors)}, - {"tx_window_errors", IXGB_STAT(net_stats.tx_window_errors)}, + {"rx_fifo_errors", IXGB_NETDEV_STAT(stats.rx_fifo_errors)}, + {"rx_missed_errors", IXGB_NETDEV_STAT(stats.rx_missed_errors)}, + {"tx_aborted_errors", IXGB_NETDEV_STAT(stats.tx_aborted_errors)}, + {"tx_carrier_errors", IXGB_NETDEV_STAT(stats.tx_carrier_errors)}, + {"tx_fifo_errors", IXGB_NETDEV_STAT(stats.tx_fifo_errors)}, + {"tx_heartbeat_errors", IXGB_NETDEV_STAT(stats.tx_heartbeat_errors)}, + {"tx_window_errors", IXGB_NETDEV_STAT(stats.tx_window_errors)}, {"tx_deferred_ok", IXGB_STAT(stats.dc)}, {"tx_timeout_count", IXGB_STAT(tx_timeout_count) }, {"tx_restart_queue", IXGB_STAT(restart_queue) }, @@ -662,10 +670,21 @@ ixgb_get_ethtool_stats(struct net_device *netdev, { struct ixgb_adapter *adapter = netdev_priv(netdev); int i; + char *p = NULL; ixgb_update_stats(adapter); for (i = 0; i < IXGB_STATS_LEN; i++) { - char *p = (char *)adapter+ixgb_gstrings_stats[i].stat_offset; + switch (ixgb_gstrings_stats[i].type) { + case NETDEV_STATS: + p = (char *) netdev + + ixgb_gstrings_stats[i].stat_offset; + break; + case IXGB_STATS: + p = (char *) adapter + + ixgb_gstrings_stats[i].stat_offset; + break; + } + data[i] = (ixgb_gstrings_stats[i].sizeof_stat == sizeof(u64)) ? *(u64 *)p : *(u32 *)p; } diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c index 8aa44dc..bcd0f01 100644 --- a/drivers/net/ixgb/ixgb_main.c +++ b/drivers/net/ixgb/ixgb_main.c @@ -233,7 +233,7 @@ ixgb_up(struct ixgb_adapter *adapter) /* proceed to try to request regular interrupt */ } - err = request_irq(adapter->pdev->irq, &ixgb_intr, irq_flags, + err = request_irq(adapter->pdev->irq, ixgb_intr, irq_flags, netdev->name, netdev); if (err) { if (adapter->have_msi) @@ -892,10 +892,18 @@ static void ixgb_unmap_and_free_tx_resource(struct ixgb_adapter *adapter, struct ixgb_buffer *buffer_info) { - buffer_info->dma = 0; + if (buffer_info->dma) { + if (buffer_info->mapped_as_page) + pci_unmap_page(adapter->pdev, buffer_info->dma, + buffer_info->length, PCI_DMA_TODEVICE); + else + pci_unmap_single(adapter->pdev, buffer_info->dma, + buffer_info->length, + PCI_DMA_TODEVICE); + buffer_info->dma = 0; + } + if (buffer_info->skb) { - skb_dma_unmap(&adapter->pdev->dev, buffer_info->skb, - DMA_TO_DEVICE); dev_kfree_skb_any(buffer_info->skb); buffer_info->skb = NULL; } @@ -1272,24 +1280,16 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb, unsigned int first) { struct ixgb_desc_ring *tx_ring = &adapter->tx_ring; + struct pci_dev *pdev = adapter->pdev; struct ixgb_buffer *buffer_info; int len = skb_headlen(skb); unsigned int offset = 0, size, count = 0, i; unsigned int mss = skb_shinfo(skb)->gso_size; - unsigned int nr_frags = skb_shinfo(skb)->nr_frags; unsigned int f; - dma_addr_t *map; i = tx_ring->next_to_use; - if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) { - dev_err(&adapter->pdev->dev, "TX DMA map failed\n"); - return 0; - } - - map = skb_shinfo(skb)->dma_maps; - while (len) { buffer_info = &tx_ring->buffer_info[i]; size = min(len, IXGB_MAX_DATA_PER_TXD); @@ -1301,11 +1301,11 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb, buffer_info->length = size; WARN_ON(buffer_info->dma != 0); buffer_info->time_stamp = jiffies; - buffer_info->dma = skb_shinfo(skb)->dma_head + offset; - pci_map_single(adapter->pdev, - skb->data + offset, - size, - PCI_DMA_TODEVICE); + buffer_info->mapped_as_page = false; + buffer_info->dma = pci_map_single(pdev, skb->data + offset, + size, PCI_DMA_TODEVICE); + if (pci_dma_mapping_error(pdev, buffer_info->dma)) + goto dma_error; buffer_info->next_to_watch = 0; len -= size; @@ -1323,7 +1323,7 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb, frag = &skb_shinfo(skb)->frags[f]; len = frag->size; - offset = 0; + offset = frag->page_offset; while (len) { i++; @@ -1341,7 +1341,13 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb, buffer_info->length = size; buffer_info->time_stamp = jiffies; - buffer_info->dma = map[f] + offset; + buffer_info->mapped_as_page = true; + buffer_info->dma = + pci_map_page(pdev, frag->page, + offset, size, + PCI_DMA_TODEVICE); + if (pci_dma_mapping_error(pdev, buffer_info->dma)) + goto dma_error; buffer_info->next_to_watch = 0; len -= size; @@ -1353,6 +1359,22 @@ ixgb_tx_map(struct ixgb_adapter *adapter, struct sk_buff *skb, tx_ring->buffer_info[first].next_to_watch = i; return count; + +dma_error: + dev_err(&pdev->dev, "TX DMA map failed\n"); + buffer_info->dma = 0; + count--; + + while (count >= 0) { + count--; + i--; + if (i < 0) + i += tx_ring->count; + buffer_info = &tx_ring->buffer_info[i]; + ixgb_unmap_and_free_tx_resource(adapter, buffer_info); + } + + return 0; } static void @@ -1537,9 +1559,7 @@ ixgb_tx_timeout_task(struct work_struct *work) static struct net_device_stats * ixgb_get_stats(struct net_device *netdev) { - struct ixgb_adapter *adapter = netdev_priv(netdev); - - return &adapter->net_stats; + return &netdev->stats; } /** @@ -1676,16 +1696,16 @@ ixgb_update_stats(struct ixgb_adapter *adapter) /* Fill out the OS statistics structure */ - adapter->net_stats.rx_packets = adapter->stats.gprcl; - adapter->net_stats.tx_packets = adapter->stats.gptcl; - adapter->net_stats.rx_bytes = adapter->stats.gorcl; - adapter->net_stats.tx_bytes = adapter->stats.gotcl; - adapter->net_stats.multicast = adapter->stats.mprcl; - adapter->net_stats.collisions = 0; + netdev->stats.rx_packets = adapter->stats.gprcl; + netdev->stats.tx_packets = adapter->stats.gptcl; + netdev->stats.rx_bytes = adapter->stats.gorcl; + netdev->stats.tx_bytes = adapter->stats.gotcl; + netdev->stats.multicast = adapter->stats.mprcl; + netdev->stats.collisions = 0; /* ignore RLEC as it reports errors for padded (<64bytes) frames * with a length in the type/len field */ - adapter->net_stats.rx_errors = + netdev->stats.rx_errors = /* adapter->stats.rnbc + */ adapter->stats.crcerrs + adapter->stats.ruc + adapter->stats.roc /*+ adapter->stats.rlec */ + @@ -1693,21 +1713,21 @@ ixgb_update_stats(struct ixgb_adapter *adapter) adapter->stats.ecbc + adapter->stats.mpc; /* see above - * adapter->net_stats.rx_length_errors = adapter->stats.rlec; + * netdev->stats.rx_length_errors = adapter->stats.rlec; */ - adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs; - adapter->net_stats.rx_fifo_errors = adapter->stats.mpc; - adapter->net_stats.rx_missed_errors = adapter->stats.mpc; - adapter->net_stats.rx_over_errors = adapter->stats.mpc; - - adapter->net_stats.tx_errors = 0; - adapter->net_stats.rx_frame_errors = 0; - adapter->net_stats.tx_aborted_errors = 0; - adapter->net_stats.tx_carrier_errors = 0; - adapter->net_stats.tx_fifo_errors = 0; - adapter->net_stats.tx_heartbeat_errors = 0; - adapter->net_stats.tx_window_errors = 0; + netdev->stats.rx_crc_errors = adapter->stats.crcerrs; + netdev->stats.rx_fifo_errors = adapter->stats.mpc; + netdev->stats.rx_missed_errors = adapter->stats.mpc; + netdev->stats.rx_over_errors = adapter->stats.mpc; + + netdev->stats.tx_errors = 0; + netdev->stats.rx_frame_errors = 0; + netdev->stats.tx_aborted_errors = 0; + netdev->stats.tx_carrier_errors = 0; + netdev->stats.tx_fifo_errors = 0; + netdev->stats.tx_heartbeat_errors = 0; + netdev->stats.tx_window_errors = 0; } #define IXGB_MAX_INTR 10 @@ -1974,9 +1994,8 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter, int *work_done, int work_to_do) * of reassembly being done in the stack */ if (length < copybreak) { struct sk_buff *new_skb = - netdev_alloc_skb(netdev, length + NET_IP_ALIGN); + netdev_alloc_skb_ip_align(netdev, length); if (new_skb) { - skb_reserve(new_skb, NET_IP_ALIGN); skb_copy_to_linear_data_offset(new_skb, -NET_IP_ALIGN, (skb->data - @@ -2059,20 +2078,13 @@ ixgb_alloc_rx_buffers(struct ixgb_adapter *adapter, int cleaned_count) goto map_skb; } - skb = netdev_alloc_skb(netdev, adapter->rx_buffer_len - + NET_IP_ALIGN); + skb = netdev_alloc_skb_ip_align(netdev, adapter->rx_buffer_len); if (unlikely(!skb)) { /* Better luck next round */ adapter->alloc_rx_buff_failed++; break; } - /* Make buffer alignment 2 beyond a 16 byte boundary - * this will result in a 16 byte aligned IP header after - * the 14 byte MAC header is removed - */ - skb_reserve(skb, NET_IP_ALIGN); - buffer_info->skb = skb; buffer_info->length = adapter->rx_buffer_len; map_skb: |
