diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index e97b66e2a9d0..139b78b4dfeb 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -24,7 +24,6 @@
 #include <net/flow.h>
 #include <net/sock.h>
 #include <net/request_sock.h>
-#include <net/route.h>
 #include <net/netns/hash.h>
 
 /** struct ip_options - IP Options
@@ -195,12 +194,6 @@ static inline int inet_sk_ehashfn(const struct sock *sk)
 	return inet_ehashfn(net, laddr, lport, faddr, fport);
 }
 
-
-static inline int inet_iif(const struct sk_buff *skb)
-{
-	return skb->rtable->rt_iif;
-}
-
 static inline struct request_sock *inet_reqsk_alloc(struct request_sock_ops *ops)
 {
 	struct request_sock *req = reqsk_alloc(ops);
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 33e2ac6ceb3e..0b2071d9326d 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -22,6 +22,7 @@
 
 #include <net/checksum.h>
 #include <linux/netfilter.h>		/* for union nf_inet_addr */
+#include <linux/ip.h>
 #include <linux/ipv6.h>			/* for struct ipv6hdr */
 #include <net/ipv6.h>			/* for ipv6_addr_copy */
 
diff --git a/include/net/route.h b/include/net/route.h
index 4f0d8c14736c..31d1485b624d 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -204,4 +204,9 @@ static inline struct inet_peer *rt_get_peer(struct rtable *rt)
 	return rt->peer;
 }
 
+static inline int inet_iif(const struct sk_buff *skb)
+{
+	return skb->rtable->rt_iif;
+}
+
 #endif	/* _ROUTE_H */
diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c
index 11976ea29884..112dcfa12900 100644
--- a/net/ipv4/netfilter/nf_nat_helper.c
+++ b/net/ipv4/netfilter/nf_nat_helper.c
@@ -16,6 +16,7 @@
 #include <linux/udp.h>
 #include <net/checksum.h>
 #include <net/tcp.h>
+#include <net/route.h>
 
 #include <linux/netfilter_ipv4.h>
 #include <net/netfilter/nf_conntrack.h>
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 95055f8c3f35..f018704ecb86 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -50,6 +50,7 @@
 #include <net/ipip.h>
 #include <net/protocol.h>
 #include <net/inet_common.h>
+#include <net/route.h>
 #include <net/transp_v6.h>
 #include <net/ip6_route.h>
 #include <net/addrconf.h>