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>
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@ -1087,9 +1087,11 @@ static inline int ip6_ufo_append_data(struct sock *sk,
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if (!err) {
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struct frag_hdr fhdr;
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/* specify the length of each IP datagram fragment*/
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skb_shinfo(skb)->gso_size = mtu - fragheaderlen -
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sizeof(struct frag_hdr);
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/* Specify the length of each IPv6 datagram fragment.
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* It has to be a multiple of 8.
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*/
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skb_shinfo(skb)->gso_size = (mtu - fragheaderlen -
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sizeof(struct frag_hdr)) & ~7;
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skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
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ipv6_select_ident(skb, &fhdr);
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skb_shinfo(skb)->ip6_frag_id = fhdr.identification;
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