Index: iproute2-2.6.33/include/linux/gen_stats.h
===================================================================
--- iproute2-2.6.33.orig/include/linux/gen_stats.h	2010-02-25 11:56:50.000000000 +0800
+++ iproute2-2.6.33/include/linux/gen_stats.h	2014-01-07 11:04:04.000000000 +0800
@@ -21,6 +21,9 @@
 struct gnet_stats_basic {
 	__u64	bytes;
 	__u32	packets;
+#if 1 /* ZyXEL QoS, porting from MSTC */
+	__u64	dropbytes;
+#endif
 };
 struct gnet_stats_basic_packed {
 	__u64	bytes;
@@ -35,6 +38,9 @@
 struct gnet_stats_rate_est {
 	__u32	bps;
 	__u32	pps;
+#if 1 /* ZyXEL QoS, porting from MSTC */
+	__u32	dropbps;
+#endif 
 };
 
 /**
Index: iproute2-2.6.33/include/linux/pkt_sched.h
===================================================================
--- iproute2-2.6.33.orig/include/linux/pkt_sched.h	2010-02-25 11:56:50.000000000 +0800
+++ iproute2-2.6.33/include/linux/pkt_sched.h	2014-01-07 11:04:49.000000000 +0800
@@ -37,6 +37,9 @@
 					 * flow goes out of allocated bandwidth */
 	__u32	bps;			/* Current flow byte rate */
 	__u32	pps;			/* Current flow packet rate */
+#if 1 /* ZyXEL QoS, porting from MSTC */
+	__u32	dropbps;
+#endif
 	__u32	qlen;
 	__u32	backlog;
 };
Index: iproute2-2.6.33/tc/tc_util.c
===================================================================
--- iproute2-2.6.33.orig/tc/tc_util.c	2010-02-25 11:56:50.000000000 +0800
+++ iproute2-2.6.33/tc/tc_util.c	2014-01-07 11:06:21.000000000 +0800
@@ -517,6 +517,10 @@
 		memcpy(&re, RTA_DATA(tbs[TCA_STATS_RATE_EST]), MIN(RTA_PAYLOAD(tbs[TCA_STATS_RATE_EST]), sizeof(re)));
 		fprintf(fp, "\n%srate %s %upps ",
 			prefix, sprint_rate(re.bps, b1), re.pps);
+#if 1 /* ZyXEL QoS, porting from MSTC */
+		fprintf(fp, "droprate %s ",
+			sprint_rate(re.dropbps, b1));
+#endif
 	}
 
 	if (tbs[TCA_STATS_QUEUE]) {
@@ -563,6 +567,9 @@
 				if (st.pps)
 					fprintf(fp, "%upps ", st.pps);
 			}
+#if 1 /* ZyXEL QoS, porting from MSTC */
+			fprintf(fp, "droprate %s ", sprint_rate(st.dropbps, b1));
+#endif
 			if (st.qlen || st.backlog) {
 				fprintf(fp, "backlog ");
 				if (st.backlog)