xfrm: Move IPsec replay detection functions to a separate file

To support multiple versions of replay detection, we move the replay
detection functions to a separate file and make them accessible
via function pointers contained in the struct xfrm_replay.

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>

1 files changed, 3 insertions, 1 deletions

diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 468ab60d3dc..f7b3c857c98 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -475,8 +475,10 @@ static struct xfrm_state *xfrm_state_construct(struct net *net,
         x->preplay.seq = x->replay.seq+x->replay_maxdiff;
         x->preplay.oseq = x->replay.oseq +x->replay_maxdiff;
 
-        /* override default values from above */
+        if ((err = xfrm_init_replay(x)))
+                goto error;
 
+        /* override default values from above */
         xfrm_update_ae_params(x, attrs);
 
         return x;