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| author | Jim Lewis <jklewis@us.ibm.com> | 2006-09-22 17:22:53 -0700 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-09-22 20:26:02 -0400 |
| commit | 9b6b0b81f0de6a17ce57c818d1f403253c200e1f (patch) | |
| tree | 51706d05197363768630bdcbd5249c906f9567f9 /drivers/net/spider_net.c | |
| parent | 78cc3b78c4208d28e7f4ecded82e238224ed4d1c (diff) | |
| download | lwn-9b6b0b81f0de6a17ce57c818d1f403253c200e1f.tar.gz lwn-9b6b0b81f0de6a17ce57c818d1f403253c200e1f.zip | |
[PATCH] Spidernet: add ethtool -S (show statistics)
Add the ethtool -S (show statistics) feature to the Spidernet ethernet
driver. I have tested it extensively and believe it is ready to be
applied.
Signed-off-by: James K Lewis <jklewis@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/spider_net.c')
| -rw-r--r-- | drivers/net/spider_net.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c index d64e718afbd2..cc240adb7269 100644 --- a/drivers/net/spider_net.c +++ b/drivers/net/spider_net.c @@ -403,6 +403,7 @@ spider_net_prepare_rx_descr(struct spider_net_card *card, if (!descr->skb) { if (netif_msg_rx_err(card) && net_ratelimit()) pr_err("Not enough memory to allocate rx buffer\n"); + card->spider_stats.alloc_rx_skb_error++; return -ENOMEM; } descr->buf_size = bufsize; @@ -423,6 +424,7 @@ spider_net_prepare_rx_descr(struct spider_net_card *card, dev_kfree_skb_any(descr->skb); if (netif_msg_rx_err(card) && net_ratelimit()) pr_err("Could not iommu-map rx buffer\n"); + card->spider_stats.rx_iommu_map_error++; descr->dmac_cmd_status = SPIDER_NET_DESCR_NOT_IN_USE; } else { descr->dmac_cmd_status = SPIDER_NET_DESCR_CARDOWNED | @@ -651,6 +653,7 @@ spider_net_prepare_tx_descr(struct spider_net_card *card, if (netif_msg_tx_err(card) && net_ratelimit()) pr_err("could not iommu-map packet (%p, %i). " "Dropping packet\n", skb->data, skb->len); + card->spider_stats.tx_iommu_map_error++; return -ENOMEM; } @@ -818,6 +821,7 @@ spider_net_xmit(struct sk_buff *skb, struct net_device *netdev) } if (spider_net_get_descr_status(descr) != SPIDER_NET_DESCR_NOT_IN_USE) { + card->netdev_stats.tx_dropped++; result = NETDEV_TX_LOCKED; goto out; } @@ -913,6 +917,7 @@ spider_net_pass_skb_up(struct spider_net_descr *descr, pr_err("error in received descriptor found, " "data_status=x%08x, data_error=x%08x\n", data_status, data_error); + card->spider_stats.rx_desc_error++; return 0; } @@ -1010,9 +1015,11 @@ spider_net_decode_one_descr(struct spider_net_card *card, int napi) if ( (status != SPIDER_NET_DESCR_COMPLETE) && (status != SPIDER_NET_DESCR_FRAME_END) ) { - if (netif_msg_rx_err(card)) + if (netif_msg_rx_err(card)) { pr_err("%s: RX descriptor with state %d\n", card->netdev->name, status); + card->spider_stats.rx_desc_unk_state++; + } goto refill; } @@ -1934,6 +1941,7 @@ spider_net_tx_timeout(struct net_device *netdev) schedule_work(&card->tx_timeout_task); else atomic_dec(&card->tx_timeout_task_counter); + card->spider_stats.tx_timeouts++; } /** |