tree 3c8de91b5249846dede05c1a3a74387e0eda0470
parent 9bf35c8dddd56f7f247a27346f74f5adc18071f4
author Timo Teräs <timo.teras@iki.fi> 1269052078 +0000
committer David S. Miller <davem@davemloft.net> 1269231808 -0700

ip_gre: include route header_len in max_headroom calculation

Taking route's header_len into account, and updating gre device
needed_headroom will give better hints on upper bound of required
headroom. This is useful if the gre traffic is xfrm'ed.

Signed-off-by: Timo Teras <timo.teras@iki.fi>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>