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net-gre-gro: Fix a bug that breaks the forwarding path

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Fixed a bug that was introduced by my GRE-GRO patch
(bf5a755f5e net-gre-gro: Add GRE
support to the GRO stack) that breaks the forwarding path
because various GSO related fields were not set. The bug will
cause on the egress path either the GSO code to fail, or a
GRE-TSO capable (NETIF_F_GSO_GRE) NICs to choke. The following
fix has been tested for both cases.

Signed-off-by: H.K. Jerry Chu <hkchu@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jerry Chu
2014-07-14 15:54:46 -07:00
committed by David S. Miller
parent b6603fe574
commit c3caf1192f
5 changed files with 10 additions and 2 deletions
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3
net/ipv4/af_inet.c
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@@ -1429,6 +1429,9 @@ static int inet_gro_complete(struct sk_buff *skb, int nhoff)
int proto = iph->protocol;
int err = -ENOSYS;
if (skb->encapsulation)
skb_set_inner_network_header(skb, nhoff);
csum_replace2(&iph->check, iph->tot_len, newlen);
iph->tot_len = newlen;