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Commit c31d5326 authored by Sridhar Samudrala's avatar Sridhar Samudrala Committed by David S. Miller
Browse files

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: default avatarSridhar Samudrala <sri@us.ibm.com>
Acked-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 493c6be3

net/ipv6/ip6_output.c

+5 −3
Original line number Diff line number Diff line
@@ -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;