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| author | Sridhar Samudrala <sri@us.ibm.com> | 2009-07-09 08:09:58 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-07-12 14:29:26 -0700 |
| commit | c31d5326902cebffcd83b1aede67a0e0ac923090 (patch) | |
| tree | 4697c61c068ba7f6bc992539962e3bc7da5c5b38 /net/ipv6/ip6_output.c | |
| parent | 493c6be3fedfe24aa676949b237b9b104d911abf (diff) | |
| download | lwn-c31d5326902cebffcd83b1aede67a0e0ac923090.tar.gz lwn-c31d5326902cebffcd83b1aede67a0e0ac923090.zip | |
udpv6: Fix gso_size setting in ip6_ufo_append_data
- fix gso_size setting for ipv6 fragment to be a multiple of 8 bytes.
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_output.c')
| -rw-r--r-- | net/ipv6/ip6_output.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 7c76e3d18215..1c6f0fc43690 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1087,9 +1087,11 @@ static inline int ip6_ufo_append_data(struct sock *sk, if (!err) { struct frag_hdr fhdr; - /* specify the length of each IP datagram fragment*/ - skb_shinfo(skb)->gso_size = mtu - fragheaderlen - - sizeof(struct frag_hdr); + /* Specify the length of each IPv6 datagram fragment. + * It has to be a multiple of 8. + */ + skb_shinfo(skb)->gso_size = (mtu - fragheaderlen - + sizeof(struct frag_hdr)) & ~7; skb_shinfo(skb)->gso_type = SKB_GSO_UDP; ipv6_select_ident(skb, &fhdr); skb_shinfo(skb)->ip6_frag_id = fhdr.identification; |