diff --git a/[refs] b/[refs]
index 318b0c08b4d6..1bb3909f6139 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 49b3fd4aff7ede794d4fe50b80095eb33cc9d911
+refs/heads/master: 3ce23fa9780b70525932c5e4b5ac401c67390fae
diff --git a/trunk/include/linux/net_tstamp.h b/trunk/include/linux/net_tstamp.h
index a3b8546354ac..3df0984cd0d5 100644
--- a/trunk/include/linux/net_tstamp.h
+++ b/trunk/include/linux/net_tstamp.h
@@ -60,6 +60,15 @@ enum {
 	 * before sending the packet.
 	 */
 	HWTSTAMP_TX_ON,
+
+	/*
+	 * Enables time stamping for outgoing packets just as
+	 * HWTSTAMP_TX_ON does, but also enables time stamp insertion
+	 * directly into Sync packets. In this case, transmitted Sync
+	 * packets will not received a time stamp via the socket error
+	 * queue.
+	 */
+	HWTSTAMP_TX_ONESTEP_SYNC,
 };
 
 /* possible values for hwtstamp_config->rx_filter */