src: ingress inet support

Add support for inet ingress chains.

 table inet filter {
        chain ingress {
                type filter hook ingress device "veth0" priority filter; policy accept;
        }
	chain input {
		type filter hook input priority filter; policy accept;
	}
	chain forward {
		type filter hook forward priority filter; policy accept;
	}
 }

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index 18075f95..feb6287c 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -48,6 +48,7 @@ enum nf_inet_hooks {
 	NF_INET_FORWARD,
 	NF_INET_LOCAL_OUT,
 	NF_INET_POST_ROUTING,
+	NF_INET_INGRESS,
 	NF_INET_NUMHOOKS
 };