diff --git a/include/linux/errqueue.h b/include/linux/errqueue.h
index ceb1454..ec12cc743 100644
--- a/include/linux/errqueue.h
+++ b/include/linux/errqueue.h
@@ -18,6 +18,7 @@
 #define SO_EE_ORIGIN_LOCAL	1
 #define SO_EE_ORIGIN_ICMP	2
 #define SO_EE_ORIGIN_ICMP6	3
+#define SO_EE_ORIGIN_TIMESTAMPING 4
 
 #define SO_EE_OFFENDER(ee)	((struct sockaddr*)((ee)+1))