tree 11df908434ac0da470b34a08fd254df1429c4e65
parent 113c74d83eef870e43a0d9279044e9d5435f0d07
author Eric Dumazet <edumazet@google.com> 1452862616 -0800
committer David S. Miller <davem@davemloft.net> 1452888443 -0500

ipv6: update skb->csum when CE mark is propagated

When a tunnel decapsulates the outer header, it has to comply
with RFC 6080 and eventually propagate CE mark into inner header.

It turns out IP6_ECN_set_ce() does not correctly update skb->csum
for CHECKSUM_COMPLETE packets, triggering infamous "hw csum failure"
messages and stack traces.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>