1 files changed, 8 insertions, 0 deletions

diff --git a/include/net/dst.h b/include/net/dst.h
index 33d2a5433924..c63d2c37f6e9 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -504,4 +504,12 @@ static inline struct xfrm_state *dst_xfrm(const struct dst_entry *dst)
 }
 #endif
 
+static inline void skb_dst_update_pmtu(struct sk_buff *skb, u32 mtu)
+{
+        struct dst_entry *dst = skb_dst(skb);
+
+        if (dst && dst->ops->update_pmtu)
+                dst->ops->update_pmtu(dst, NULL, skb, mtu);
+}
+
 #endif /* _NET_DST_H */