[IPSEC]: Sync series - fast path

Fast path sequence updates that will generate ipsec async
events
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/ah4.c

@@ -97,6 +97,7 @@ static int ah_output(struct xfrm_state *x, struct sk_buff *skb)
 	ah->reserved = 0;
 	ah->spi = x->id.spi;
 	ah->seq_no = htonl(++x->replay.oseq);
+	xfrm_aevent_doreplay(x);
 	ahp->icv(ahp, skb, ah->auth_data);
 
 	top_iph->tos = iph->tos;

net/ipv4/esp4.c

@@ -90,6 +90,7 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
 
 	esph->spi = x->id.spi;
 	esph->seq_no = htonl(++x->replay.oseq);
+	xfrm_aevent_doreplay(x);
 
 	if (esp->conf.ivlen)
 		crypto_cipher_set_iv(tfm, esp->conf.ivec, crypto_tfm_alg_ivsize(tfm));

net/ipv6/ah6.c

@@ -213,6 +213,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
 	ah->reserved = 0;
 	ah->spi = x->id.spi;
 	ah->seq_no = htonl(++x->replay.oseq);
+	xfrm_aevent_doreplay(x);
 	ahp->icv(ahp, skb, ah->auth_data);
 
 	err = 0;

net/ipv6/esp6.c

@@ -94,6 +94,7 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb)
 
 	esph->spi = x->id.spi;
 	esph->seq_no = htonl(++x->replay.oseq);
+	xfrm_aevent_doreplay(x);
 
 	if (esp->conf.ivlen)
 		crypto_cipher_set_iv(tfm, esp->conf.ivec, crypto_tfm_alg_ivsize(tfm));