1 files changed, 16 insertions, 0 deletions

diff --git a/include/net/ip.h b/include/net/ip.h
index 85108cfbb1ae..fb63371c07a8 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -326,6 +326,22 @@ static __inline__ void inet_reset_saddr(struct sock *sk)
 
 #endif
 
+static inline int sk_mc_loop(struct sock *sk)
+{
+        if (!sk)
+                return 1;
+        switch (sk->sk_family) {
+        case AF_INET:
+                return inet_sk(sk)->mc_loop;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+        case AF_INET6:
+                return inet6_sk(sk)->mc_loop;
+#endif
+        }
+        WARN_ON(1);
+        return 1;
+}
+
 extern int      ip_call_ra_chain(struct sk_buff *skb);
 
 /*