Index: systat.1
===================================================================
RCS file: /cvs/src/usr.bin/systat/systat.1,v
retrieving revision 1.102
diff -u -p -r1.102 systat.1
--- systat.1	15 Jun 2017 03:47:07 -0000	1.102
+++ systat.1	15 Nov 2017 03:24:53 -0000
@@ -126,6 +126,7 @@ argument expects to be one of:
 .Ic vmstat ,
 .Ic pigs ,
 .Ic ifstat ,
+.Ic iqdrops ,
 .Ic iostat ,
 .Ic sensors ,
 .Ic mbufs ,
@@ -287,6 +288,10 @@ between display refreshes.
 changes the counters to show the average per second over
 the display refresh interval;
 this is the default.
+.It Ic iqdrops
+Displays a similar view to
+.Ic ifstat ,
+but shows queue drops instead of errors.
 .It Ic iostat
 Display statistics about disk throughput.
 Statistics
Index: systat.h
===================================================================
RCS file: /cvs/src/usr.bin/systat/systat.h,v
retrieving revision 1.21
diff -u -p -r1.21 systat.h
--- systat.h	12 Mar 2015 01:03:00 -0000	1.21
+++ systat.h	15 Nov 2017 03:24:53 -0000
@@ -103,9 +103,11 @@ struct ifcount {
 	u_int64_t	ifc_ib;			/* input bytes */
 	u_int64_t	ifc_ip;			/* input packets */
 	u_int64_t	ifc_ie;			/* input errors */
+	u_int64_t	ifc_iq;			/* input qdrops */
 	u_int64_t	ifc_ob;			/* output bytes */
 	u_int64_t	ifc_op;			/* output packets */
 	u_int64_t	ifc_oe;			/* output errors */
+	u_int64_t	ifc_oq;			/* output qdrops */
 	u_int64_t	ifc_co;			/* collisions */
 	int		ifc_flags;		/* up / down */
 	int		ifc_state;		/* link state */
Index: if.c
===================================================================
RCS file: /cvs/src/usr.bin/systat/if.c,v
retrieving revision 1.23
diff -u -p -r1.23 if.c
--- if.c	16 Jan 2015 00:03:37 -0000	1.23
+++ if.c	15 Nov 2017 03:24:53 -0000
@@ -69,6 +69,8 @@ field_def fields_if[] = {
 	{"OERRS", 5, 8, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
 	{"COLLS", 5, 8, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
 	{"DESC", 14, 64, 1, FLD_ALIGN_LEFT, -1, 0, 0, 0},
+	{"IDROP", 5, 8, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
+	{"ODROP", 5, 8, 1, FLD_ALIGN_RIGHT, -1, 0, 0, 0},
 };
 
 
@@ -82,6 +84,8 @@ field_def fields_if[] = {
 #define FLD_IF_OERRS	FIELD_ADDR(fields_if,7)
 #define FLD_IF_COLLS	FIELD_ADDR(fields_if,8)
 #define FLD_IF_DESC	FIELD_ADDR(fields_if,9)
+#define FLD_IF_IDROP	FIELD_ADDR(fields_if,10)
+#define FLD_IF_ODROP	FIELD_ADDR(fields_if,11)
 
 
 /* Define views */
@@ -91,6 +95,12 @@ field_def *view_if_0[] = {
 	FLD_IF_OERRS, FLD_IF_COLLS, NULL
 };
 
+field_def *view_if_1[] = {
+	FLD_IF_IFACE, FLD_IF_STATE, FLD_IF_DESC, FLD_IF_IPKTS,
+	FLD_IF_IBYTES, FLD_IF_IDROP, FLD_IF_OPKTS, FLD_IF_OBYTES,
+	FLD_IF_ODROP, FLD_IF_COLLS, NULL
+};
+
 /* Define view managers */
 
 struct view_manager ifstat_mgr = {
@@ -100,6 +110,7 @@ struct view_manager ifstat_mgr = {
 
 field_view views_if[] = {
 	{view_if_0, "ifstat", '1', &ifstat_mgr},
+	{view_if_1, "iqdrops", '1', &ifstat_mgr},
 	{NULL, NULL, 0, NULL}
 };
 
@@ -264,9 +275,11 @@ fetchifstat(void)
 		UPDATE(ifc_ip, ifm_data.ifi_ipackets);
 		UPDATE(ifc_ib, ifm_data.ifi_ibytes);
 		UPDATE(ifc_ie, ifm_data.ifi_ierrors);
+		UPDATE(ifc_iq, ifm_data.ifi_iqdrops);
 		UPDATE(ifc_op, ifm_data.ifi_opackets);
 		UPDATE(ifc_ob, ifm_data.ifi_obytes);
 		UPDATE(ifc_oe, ifm_data.ifi_oerrors);
+		UPDATE(ifc_oq, ifm_data.ifi_oqdrops);
 		UPDATE(ifc_co, ifm_data.ifi_collisions);
 		ifs->ifs_cur.ifc_flags = ifm.ifm_flags;
 		ifs->ifs_cur.ifc_state = ifm.ifm_data.ifi_link_state;
@@ -316,10 +329,12 @@ showifstat(struct ifstat *ifs)
 	print_fld_sdiv(FLD_IF_IBYTES, ifs->ifs_cur.ifc_ib * conv, div);
 	print_fld_size(FLD_IF_IPKTS, ifs->ifs_cur.ifc_ip);
 	print_fld_size(FLD_IF_IERRS, ifs->ifs_cur.ifc_ie);
+	print_fld_size(FLD_IF_IDROP, ifs->ifs_cur.ifc_iq);
 
 	print_fld_sdiv(FLD_IF_OBYTES, ifs->ifs_cur.ifc_ob * conv, div);
 	print_fld_size(FLD_IF_OPKTS, ifs->ifs_cur.ifc_op);
 	print_fld_size(FLD_IF_OERRS, ifs->ifs_cur.ifc_oe);
+	print_fld_size(FLD_IF_ODROP, ifs->ifs_cur.ifc_oq);
 
 	print_fld_size(FLD_IF_COLLS, ifs->ifs_cur.ifc_co);
 
@@ -337,10 +352,12 @@ showtotal(void)
 	print_fld_sdiv(FLD_IF_IBYTES, sum.ifc_ib * conv, div);
 	print_fld_size(FLD_IF_IPKTS, sum.ifc_ip);
 	print_fld_size(FLD_IF_IERRS, sum.ifc_ie);
+	print_fld_size(FLD_IF_IDROP, sum.ifc_iq);
 
 	print_fld_sdiv(FLD_IF_OBYTES, sum.ifc_ob * conv, div);
 	print_fld_size(FLD_IF_OPKTS, sum.ifc_op);
 	print_fld_size(FLD_IF_OERRS, sum.ifc_oe);
+	print_fld_size(FLD_IF_ODROP, sum.ifc_oq);
 
 	print_fld_size(FLD_IF_COLLS, sum.ifc_co);