ip_gre: include route header_len in max_headroom calculation

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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>

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Timo Teräs 2010-03-20 02:27:58 +00:00 • committed by David S. Miller

parent 9bf35c8ddd

commit 243aad830e

1 changed files with 3 additions and 1 deletions

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net/ipv4/ip_gre.c

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