[IPSEC]: Add async resume support on input
This patch adds support for async resumptions on input. To do so, the
transform would return -EINPROGRESS and subsequently invoke the
function xfrm_input_resume to resume processing.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c
index 662d1e8..d5890c8 100644
--- a/net/ipv4/xfrm4_input.c
+++ b/net/ipv4/xfrm4_input.c
@@ -59,6 +59,9 @@
xfrm4_rcv_encap_finish);
return 0;
#else
+ if (async)
+ return xfrm4_rcv_encap_finish(skb);
+
return -iph->protocol;
#endif
}