Gao Feng 7c6ae610a1 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>
2016-11-21 13:10:29 -05:00
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