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(parent: db91b72) | patch
net: Fix GRE RX to use skb_transport_header for GRE header offset
authorTom Herbert <therbert@google.com>
Mon, 8 Sep 2014 15:29:12 +0000 (08:29 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 8 Sep 2014 22:23:05 +0000 (15:23 -0700)
commit1e701f16982a9d15488a5aa8c7f5c41444b1de67
treeffd2de95a203e68a1f070e80955738f1006dd826tree | snapshot
parentdb91b724b53b1cfd0e258d7cf3a03a062a89fe2dcommit | diff
net: Fix GRE RX to use skb_transport_header for GRE header offset

GRE assumes that the GRE header is at skb_network_header +
ip_hrdlen(skb). It is more general to use skb_transport_header
and this allows the possbility of inserting additional header
between IP and GRE (which is what we will done in Generic UDP
Encapsulation for GRE).

Signed-off-by: Tom Herbert <therbert@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/gre_demux.c diff | blob | history
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