commit d5422efe680fc55010c6ddca2370ca9548a96355
author Herbert Xu <herbert@gondor.apana.org.au> Wed Dec 12 10:44:16 2007 -0800
committer David S. Miller <davem@davemloft.net> Mon Jan 28 14:57:22 2008 -0800
tree f72fa5eb779c8ae7d49688a9caac9b69a1f3bd58
parent 815f4e57e9fc67456624ecde0515a901368c78d2

[IPSEC]: Added xfrm_decode_session_reverse and xfrmX_policy_check_reverse

RFC 4301 requires us to relookup ICMP traffic that does not match any
policies using the reverse of its payload.  This patch adds the functions
xfrm_decode_session_reverse and xfrmX_policy_check_reverse so we can get
the reverse flow to perform such a lookup.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>