From 65b1cbfbdebbf2a13cc16330c12fd7848bf571b4 Mon Sep 17 00:00:00 2001 From: Yunsheng Lin Date: Tue, 8 Oct 2019 16:41:31 +0800 Subject: [PATCH] net: hns3: add struct netdev_queue debug info for tx timeout driver inclusion category: bugfix bugzilla: NA CVE: NA When there is a tx timeout, we can tell if the driver or stack has stopped the queue by looking at state field, and when was the last packet transmited by looking at trans_start field. This patch adds the above two cases to the logging of tx timeout. Feature or Bugfix:Bugfix Signed-off-by: Yunsheng Lin Reviewed-by: liuyonglong Reviewed-by: shenjian Reviewed-by: lipeng Reviewed-by: Weiwei Deng Reviewed-by: Yang Yingliang Signed-off-by: Yang Yingliang --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 0c49a6b5bb49..a98973c8eee1 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -1788,6 +1788,9 @@ bool hns3_get_tx_timeo_queue_info(struct net_device *ndev) time_after(jiffies, (trans_start + ndev->watchdog_timeo))) { timeout_queue = i; + netdev_info(ndev, "queue state: 0x%lx, delta msecs: %u\n", + q->state, + jiffies_to_msecs(jiffies - trans_start)); break; } } -- GitLab