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authorSteffen Klassert <steffen.klassert@secunet.com>2011-03-08 00:08:32 +0000
committerDavid S. Miller <davem@davemloft.net>2011-03-13 20:22:30 -0700
commit9fdc4883d92d20842c5acea77a4a21bb1574b495 (patch)
tree87019e64093d90a4f2b42149231d0ad3a864c5f9 /net/xfrm/xfrm_output.c
parentd212a4c29096484e5e83b5006e695add126260af (diff)
downloadop-kernel-dev-9fdc4883d92d20842c5acea77a4a21bb1574b495.zip
op-kernel-dev-9fdc4883d92d20842c5acea77a4a21bb1574b495.tar.gz
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>
Diffstat (limited to 'net/xfrm/xfrm_output.c')
-rw-r--r--net/xfrm/xfrm_output.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index 4b63776..1aba03f 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -67,17 +67,10 @@ static int xfrm_output_one(struct sk_buff *skb, int err)
goto error;
}
- if (x->type->flags & XFRM_TYPE_REPLAY_PROT) {
- XFRM_SKB_CB(skb)->seq.output.low = ++x->replay.oseq;
- if (unlikely(x->replay.oseq == 0)) {
- XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTSTATESEQERROR);
- x->replay.oseq--;
- xfrm_audit_state_replay_overflow(x, skb);
- err = -EOVERFLOW;
- goto error;
- }
- if (xfrm_aevent_is_on(net))
- xfrm_replay_notify(x, XFRM_REPLAY_UPDATE);
+ err = x->repl->overflow(x, skb);
+ if (err) {
+ XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTSTATESEQERROR);
+ goto error;
}
x->curlft.bytes += skb->len;
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