From: lisheng Date: Fri, 16 Oct 2015 09:03:20 +0000 (+0800) Subject: net: hns: fixes a bug about timeout by pause frame X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=90a505b9f607bf09525bb8eb766b73a658675b38;p=linux-beck.git net: hns: fixes a bug about timeout by pause frame this patch fixes the bug triggered timeout sequence. when the connective ports cannot accept the packets with higher speed, they will send out the pause frame to the Soc's mac. At that time, the driver resets the relevant of the Soc, then it causes the packets cannot be sent out immediately. this patch fixes the issue. Signed-off-by: yankejian Signed-off-by: Yisen Zhuang Signed-off-by: lisheng Signed-off-by: lipeng Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c index 6f9091c29869..302d3ae8e9e5 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c @@ -1315,16 +1315,15 @@ static void hns_nic_reset_subtask(struct hns_nic_priv *priv) return; hns_nic_dump(priv); - netdev_err(priv->netdev, "Reset %s port\n", - (type == HNAE_PORT_DEBUG ? "debug" : "business")); + netdev_info(priv->netdev, "Reset %s port\n", + (type == HNAE_PORT_DEBUG ? "debug" : "business")); rtnl_lock(); - if (type == HNAE_PORT_DEBUG) { + /* put off any impending NetWatchDogTimeout */ + priv->netdev->trans_start = jiffies; + + if (type == HNAE_PORT_DEBUG) hns_nic_net_reinit(priv->netdev); - } else { - hns_nic_net_down(priv->netdev); - hns_nic_net_reset(priv->netdev); - } rtnl_unlock(); }