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authorSteffen Klassert <steffen.klassert@secunet.com>2011-03-08 00:09:51 +0000
committerDavid S. Miller <davem@davemloft.net>2011-03-13 20:22:31 -0700
commit2cd084678fc1eb75aec4f7ae3d339d232c00ec61 (patch)
treeac6413e56d1189f57bb0f84920dfa3257a11d3d2 /include
parent97e15c3a8504ea39a209778d7dcdbdf440404a91 (diff)
xfrm: Add support for IPsec extended sequence numbers
This patch adds support for IPsec extended sequence numbers (esn) as defined in RFC 4303. The bits to manage the anti-replay window are based on a patch from Alex Badea. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/net/xfrm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 41def092b82..42a8c32a10e 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1427,6 +1427,7 @@ extern int xfrm_state_delete(struct xfrm_state *x);
extern int xfrm_state_flush(struct net *net, u8 proto, struct xfrm_audit *audit_info);
extern void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si);
extern void xfrm_spd_getinfo(struct net *net, struct xfrmk_spdinfo *si);
+extern u32 xfrm_replay_seqhi(struct xfrm_state *x, __be32 net_seq);
extern int xfrm_init_replay(struct xfrm_state *x);
extern int xfrm_state_mtu(struct xfrm_state *x, int mtu);
extern int xfrm_init_state(struct xfrm_state *x);