diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index a8fdf79..ece7e8a 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -468,6 +468,9 @@
 extern int			ip6_dst_lookup(struct sock *sk,
 					       struct dst_entry **dst,
 					       struct flowi *fl);
+extern int			ip6_sk_dst_lookup(struct sock *sk,
+						  struct dst_entry **dst,
+						  struct flowi *fl);
 
 /*
  *	skb processing functions