Commit 7c6ae610 authored Nov 21, 2016 by Gao Feng Committed by David S. Miller Nov 21, 2016

net: l2tp: Treat NET_XMIT_CN as success in l2tp_eth_dev_xmit



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@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 6bc5445c

net/l2tp/l2tp_eth.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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 {