[NETFILTER]: Introduce NF_INET_ hook values

The IPv4 and IPv6 hook values are identical, yet some code tries to figure
out the "correct" value by looking at the address family. Introduce NF_INET_*
values for both IPv4 and IPv6. The old values are kept in a #ifndef __KERNEL__
section for userspace compatibility.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/netfilter/ipt_SAME.c b/net/ipv4/netfilter/ipt_SAME.c
index 8988571..f2f62b5 100644
--- a/net/ipv4/netfilter/ipt_SAME.c
+++ b/net/ipv4/netfilter/ipt_SAME.c
@@ -119,8 +119,8 @@
 	struct nf_nat_range newrange;
 	const struct nf_conntrack_tuple *t;
 
-	NF_CT_ASSERT(hooknum == NF_IP_PRE_ROUTING ||
-			hooknum == NF_IP_POST_ROUTING);
+	NF_CT_ASSERT(hooknum == NF_INET_PRE_ROUTING ||
+			hooknum == NF_INET_POST_ROUTING);
 	ct = nf_ct_get(skb, &ctinfo);
 
 	t = &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
@@ -158,7 +158,8 @@
 	.target		= same_target,
 	.targetsize	= sizeof(struct ipt_same_info),
 	.table		= "nat",
-	.hooks		= (1 << NF_IP_PRE_ROUTING | 1 << NF_IP_POST_ROUTING),
+	.hooks		= (1 << NF_INET_PRE_ROUTING) |
+			  (1 << NF_INET_POST_ROUTING),
 	.checkentry	= same_check,
 	.destroy	= same_destroy,
 	.me		= THIS_MODULE,