diff --git a/include/net/route.h b/include/net/route.h
index b8c1f77..2700236 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -231,4 +231,15 @@
 	return skb_rtable(skb)->rt_iif;
 }
 
+extern int sysctl_ip_default_ttl;
+
+static inline int ip4_dst_hoplimit(const struct dst_entry *dst)
+{
+	int hoplimit = dst_metric_raw(dst, RTAX_HOPLIMIT);
+
+	if (hoplimit == 0)
+		hoplimit = sysctl_ip_default_ttl;
+	return hoplimit;
+}
+
 #endif	/* _ROUTE_H */