[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/ipv6/mcast.c b/net/ipv6/mcast.c
index 17d7318..82b1294 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1448,7 +1448,7 @@
 
 static inline int mld_dev_queue_xmit(struct sk_buff *skb)
 {
-	return NF_HOOK(PF_INET6, NF_IP6_POST_ROUTING, skb, NULL, skb->dev,
+	return NF_HOOK(PF_INET6, NF_INET_POST_ROUTING, skb, NULL, skb->dev,
 		       mld_dev_queue_xmit2);
 }
 
@@ -1469,7 +1469,7 @@
 	pmr->csum = csum_ipv6_magic(&pip6->saddr, &pip6->daddr, mldlen,
 		IPPROTO_ICMPV6, csum_partial(skb_transport_header(skb),
 					     mldlen, 0));
-	err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, skb->dev,
+	err = NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, skb->dev,
 		mld_dev_queue_xmit);
 	if (!err) {
 		ICMP6MSGOUT_INC_STATS_BH(idev, ICMPV6_MLD2_REPORT);
@@ -1813,7 +1813,7 @@
 
 	idev = in6_dev_get(skb->dev);
 
-	err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, skb->dev,
+	err = NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, skb->dev,
 		mld_dev_queue_xmit);
 	if (!err) {
 		ICMP6MSGOUT_INC_STATS(idev, type);