diff mbox

[net-next-2.6,3/5] udpv6: Fix gso_size setting in ip6_ufo_append_data

Message ID 1247162998.8649.92.camel@w-sridhar.beaverton.ibm.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Sridhar Samudrala July 9, 2009, 6:09 p.m. UTC 
[PATCH net-next-2.6 3/5] 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>

---

 net/ipv6/ip6_output.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)



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diff mbox

Patch

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 7c76e3d..1c6f0fc 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;