| commit | cf826244322443215c156c0751fa2c982969a9c9 | [log] [tgz] |
|---|---|---|
| author | Florian Westphal <fw@strlen.de> | Fri May 22 00:06:40 2015 +0200 |
| committer | David S. Miller <davem@davemloft.net> | Mon May 25 00:08:48 2015 -0400 |
| tree | 31f552f87a5ed28fb63187e77f2a5802a863ec3b | |
| parent | b10e3d6c2e557e1dd62c0b6276707b68aa0e5287 [diff] |
ip: reject too-big defragmented DF-skb when forwarding Send icmp pmtu error if we find that the largest fragment of df-skb exceeded the output path mtu. The ip output path will still catch this later on but we can avoid the forward/postrouting hook traversal by rejecting right away. This is what ipv6 already does. Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>