--- zzzz-none-000/linux-3.10.107/include/uapi/linux/tcp_metrics.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/uapi/linux/tcp_metrics.h	2021-02-04 17:41:59.000000000 +0000
@@ -11,12 +11,15 @@
 #define TCP_METRICS_GENL_VERSION	0x1
 
 enum tcp_metric_index {
-	TCP_METRIC_RTT,
-	TCP_METRIC_RTTVAR,
+	TCP_METRIC_RTT,		/* in ms units */
+	TCP_METRIC_RTTVAR,	/* in ms units */
 	TCP_METRIC_SSTHRESH,
 	TCP_METRIC_CWND,
 	TCP_METRIC_REORDERING,
 
+	TCP_METRIC_RTT_US,	/* in usec units */
+	TCP_METRIC_RTTVAR_US,	/* in usec units */
+
 	/* Always last.  */
 	__TCP_METRIC_MAX,
 };
@@ -35,6 +38,8 @@
 	TCP_METRICS_ATTR_FOPEN_SYN_DROPS,	/* u16, count of drops */
 	TCP_METRICS_ATTR_FOPEN_SYN_DROP_TS,	/* msecs age */
 	TCP_METRICS_ATTR_FOPEN_COOKIE,		/* binary */
+	TCP_METRICS_ATTR_SADDR_IPV4,		/* u32 */
+	TCP_METRICS_ATTR_SADDR_IPV6,		/* binary */
 
 	__TCP_METRICS_ATTR_MAX,
 };