[IPSEC]: Move output replay code into xfrm_output
The replay counter is one of only two remaining things in the output code
that requires a lock on the xfrm state (the other being the crypto). This
patch moves it into the generic xfrm_output so we can remove the lock from
the transforms themselves.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 69a2030..ae68a90 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -283,8 +283,7 @@
ah->reserved = 0;
ah->spi = x->id.spi;
- ah->seq_no = htonl(++x->replay.oseq);
- xfrm_aevent_doreplay(x);
+ ah->seq_no = htonl(XFRM_SKB_CB(skb)->seq);
err = ah_mac_digest(ahp, skb, ah->auth_data);
if (err)
goto error_free_iph;
@@ -506,6 +505,7 @@
.description = "AH6",
.owner = THIS_MODULE,
.proto = IPPROTO_AH,
+ .flags = XFRM_TYPE_REPLAY_PROT,
.init_state = ah6_init_state,
.destructor = ah6_destroy,
.input = ah6_input,