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| author | Eric Dumazet <edumazet@google.com> | 2016-01-15 04:56:56 -0800 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2016-02-12 08:57:54 +0100 |
| commit | 28882454834f38bd754797c681f74991e45264a5 (patch) | |
| tree | 801553484168fafb5ae215f9515e45f8b200930e /net/ipv6 | |
| parent | 2f9623733b1bc38d85693744edd41b0016d85260 (diff) | |
| download | lwn-28882454834f38bd754797c681f74991e45264a5.tar.gz lwn-28882454834f38bd754797c681f74991e45264a5.zip | |
ipv6: update skb->csum when CE mark is propagated
[ Upstream commit 34ae6a1aa0540f0f781dd265366036355fdc8930 ]
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>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'net/ipv6')
| -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 4770d515c2c8..d43c9babc2b0 100644 --- a/net/ipv6/xfrm6_mode_tunnel.c +++ b/net/ipv6/xfrm6_mode_tunnel.c @@ -24,7 +24,7 @@ static inline void ipip6_ecn_decapsulate(struct sk_buff *skb) struct ipv6hdr *inner_iph = ipipv6_hdr(skb); if (INET_ECN_is_ce(ipv6_get_dsfield(outer_iph))) - IP6_ECN_set_ce(inner_iph); + IP6_ECN_set_ce(skb, inner_iph); } /* Add encapsulation header. |