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[XFRM]: Use output device disable_xfrm for forwarded packets

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Currently the behaviour of disable_xfrm is inconsistent between
locally generated and forwarded packets. For locally generated
packets disable_xfrm disables the policy lookup if it is set on
the output device, for forwarded traffic however it looks at the
input device. This makes it impossible to disable xfrm on all
devices but a dummy device and use normal routing to direct
traffic to that device.

Always use the output device when checking disable_xfrm.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2006-12-04 19:59:00 -08:00 committed by David S. Miller
parent 170b828a31
commit 1b6651f1bf
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/route.c
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@ -1780,7 +1780,7 @@ static inline int __mkroute_input(struct sk_buff *skb,
#endif
if (in_dev->cnf.no_policy)
rth->u.dst.flags |= DST_NOPOLICY;
if (in_dev->cnf.no_xfrm)
if (out_dev->cnf.no_xfrm)
rth->u.dst.flags |= DST_NOXFRM;
rth->fl.fl4_dst = daddr;
rth->rt_dst = daddr;