gre: build header correctly for collect metadata tunnels

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In ipgre (i.e. not gretap) + collect metadata mode, the skb was assumed to
contain Ethernet header and was encapsulated as ETH_P_TEB. This is not the
case, the interface is ARPHRD_IPGRE and the protocol to be used for
encapsulation is skb->protocol.

Fixes: 2e15ea390e ("ip_gre: Add support to collect tunnel metadata.")
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Jiri Benc 2016-04-27 11:29:07 +02:00 • committed by David S. Miller

parent a64b04d86d

commit 2090714e1d

1 changed files with 5 additions and 4 deletions

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net/ipv4/ip_gre.c

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