1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index e7367c74e1bb..6f0b2f7d0010 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1579,6 +1579,10 @@ static inline ktime_t net_timedelta(ktime_t t)
         return ktime_sub(ktime_get_real(), t);
 }
 
+static inline ktime_t net_invalid_timestamp(void)
+{
+        return ktime_set(0, 0);
+}
 
 extern __sum16 __skb_checksum_complete_head(struct sk_buff *skb, int len);
 extern __sum16 __skb_checksum_complete(struct sk_buff *skb);