1 files changed, 11 insertions, 0 deletions

diff --git a/include/net/route.h b/include/net/route.h
index b8c1f7703fc6..27002362944a 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -231,4 +231,15 @@ static inline int inet_iif(const struct sk_buff *skb)
         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 */