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ipv4: Fix ip-header identification for gso packets.

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ip-header id needs to be incremented even if IP_DF flag is set.
This behaviour was changed in commit 490ab08127
(IP_GRE: Fix IP-Identification).

Following patch fixes it so that identification is always
incremented.

Reported-by: Cong Wang <amwang@redhat.com>
Acked-by: Cong Wang <amwang@redhat.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
This commit is contained in:
Pravin B Shelar 2013-03-24 17:36:29 +00:00 • committed by David S. Miller
parent 5594c32187
commit 25c7704d8b
2 changed files with 7 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

3
net/ipv4/af_inet.c
View file

@ -1334,8 +1334,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb,
iph->frag_off |= htons(IP_MF);
offset += (skb->len - skb->mac_len - iph->ihl * 4);
} else {
if (!(iph->frag_off & htons(IP_DF)))
iph->id = htons(id++);
iph->id = htons(id++);
}
iph->tot_len = htons(skb->len - skb->mac_len);
iph->check = 0;