From c31d5326902cebffcd83b1aede67a0e0ac923090 Mon Sep 17 00:00:00 2001 From: Sridhar Samudrala Date: Thu, 9 Jul 2009 08:09:58 +0000 Subject: 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 Acked-by: Herbert Xu Signed-off-by: David S. Miller --- net/ipv6/ip6_output.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 7c76e3d1821..1c6f0fc4369 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; -- cgit v1.2.3