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Message-Id: <1479689781-2125-1-git-send-email-fgao@ikuai8.com> Date: Mon, 21 Nov 2016 08:56:21 +0800 From: fgao@...ai8.com To: edumazet@...gle.com, davem@...emloft.net, javier@....samsung.com, netdev@...r.kernel.org Cc: gfree.wind@...il.com Subject: [PATCH net 1/1] net: l2tp: Treat NET_XMIT_CN as success in l2tp_eth_dev_xmit From: Gao Feng <gfree.wind@...il.com> The tc could return NET_XMIT_CN as one congestion notification, but it does not mean the packe is lost. Other modules like ipvlan, macvlan, and others treat NET_XMIT_CN as success too. So l2tp_eth_dev_xmit should add the NET_XMIT_CN check. Signed-off-by: Gao Feng <gfree.wind@...il.com> --- net/l2tp/l2tp_eth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c index 965f7e3..3dc97b4 100644 --- a/net/l2tp/l2tp_eth.c +++ b/net/l2tp/l2tp_eth.c @@ -97,7 +97,7 @@ static int l2tp_eth_dev_xmit(struct sk_buff *skb, struct net_device *dev) unsigned int len = skb->len; int ret = l2tp_xmit_skb(session, skb, session->hdr_len); - if (likely(ret == NET_XMIT_SUCCESS)) { + if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) { atomic_long_add(len, &priv->tx_bytes); atomic_long_inc(&priv->tx_packets); } else { -- 1.9.1
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