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| author | Eric Dumazet <edumazet@google.com> | 2016-01-15 04:56:56 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-01-15 15:07:23 -0500 |
| commit | 34ae6a1aa0540f0f781dd265366036355fdc8930 (patch) | |
| tree | 11df908434ac0da470b34a08fd254df1429c4e65 /net/ipv6/xfrm6_mode_tunnel.c | |
| parent | 113c74d83eef870e43a0d9279044e9d5435f0d07 (diff) | |
| download | linux-34ae6a1aa0540f0f781dd265366036355fdc8930.tar.gz linux-34ae6a1aa0540f0f781dd265366036355fdc8930.tar.bz2 linux-34ae6a1aa0540f0f781dd265366036355fdc8930.zip | |
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>
Diffstat (limited to 'net/ipv6/xfrm6_mode_tunnel.c')
| -rw-r--r-- | net/ipv6/xfrm6_mode_tunnel.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c index f7fbdbabe50e..372855eeaf42 100644 --- a/net/ipv6/xfrm6_mode_tunnel.c +++ b/net/ipv6/xfrm6_mode_tunnel.c @@ -23,7 +23,7 @@ static inline void ipip6_ecn_decapsulate(struct sk_buff *skb) struct ipv6hdr *inner_iph = ipipv6_hdr(skb); if (INET_ECN_is_ce(XFRM_MODE_SKB_CB(skb)->tos)) - IP6_ECN_set_ce(inner_iph); + IP6_ECN_set_ce(skb, inner_iph); } /* Add encapsulation header. |