Index: ifq.c
===================================================================
RCS file: /cvs/src/sys/net/ifq.c,v
retrieving revision 1.4
diff -u -p -r1.4 ifq.c
--- ifq.c	29 Dec 2015 12:35:43 -0000	1.4
+++ ifq.c	20 Jan 2017 01:36:06 -0000
@@ -172,7 +172,7 @@ ifq_init(struct ifqueue *ifq, struct ifn
 	ifq->ifq_if = ifp;
 
 	mtx_init(&ifq->ifq_mtx, IPL_NET);
-	ifq->ifq_drops = 0;
+	ifq->ifq_qdrops = 0;
 
 	/* default to priq */
 	ifq->ifq_ops = &priq_ops;
@@ -214,7 +214,7 @@ ifq_attach(struct ifqueue *ifq, const st
 
 	while ((m = ml_dequeue(&ml)) != NULL) {
 		if (ifq->ifq_ops->ifqop_enq(ifq, m) != 0) {
-			ifq->ifq_drops++;
+			ifq->ifq_qdrops++;
 			ml_enqueue(&free_ml, m);
 		} else
 			ifq->ifq_len++;
@@ -246,10 +246,15 @@ ifq_enqueue_try(struct ifqueue *ifq, str
 
 	mtx_enter(&ifq->ifq_mtx);
 	rv = ifq->ifq_ops->ifqop_enq(ifq, m);
-	if (rv == 0)
+	if (rv == 0) {
 		ifq->ifq_len++;
-	else
-		ifq->ifq_drops++;
+
+		ifq->ifq_packets++;
+		ifq->ifq_bytes += m->m_pkthdr.len;
+		if (ISSET(m->m_flags, M_MCAST))
+			ifq->ifq_mcasts++;
+	} else
+		ifq->ifq_qdrops++;
 	mtx_leave(&ifq->ifq_mtx);
 
 	return (rv);
@@ -330,7 +335,7 @@ ifq_purge(struct ifqueue *ifq)
 	ifq->ifq_ops->ifqop_purge(ifq, &ml);
 	rv = ifq->ifq_len;
 	ifq->ifq_len = 0;
-	ifq->ifq_drops += rv;
+	ifq->ifq_qdrops += rv;
 	mtx_leave(&ifq->ifq_mtx);
 
 	KASSERT(rv == ml_len(&ml));
Index: ifq.h
===================================================================
RCS file: /cvs/src/sys/net/ifq.h,v
retrieving revision 1.5
diff -u -p -r1.5 ifq.h
--- ifq.h	20 Jan 2016 17:27:16 -0000	1.5
+++ ifq.h	20 Jan 2017 01:36:06 -0000
@@ -28,11 +28,17 @@ struct ifqueue {
 
 	/* mbuf handling */
 	struct mutex		 ifq_mtx;
-	uint64_t		 ifq_drops;
 	const struct ifq_ops	*ifq_ops;
 	void			*ifq_q;
 	unsigned int		 ifq_len;
 	unsigned int		 ifq_oactive;
+
+	/* statistics */
+	uint64_t		 ifq_packets;
+	uint64_t		 ifq_bytes;
+	uint64_t		 ifq_qdrops;
+	uint64_t		 ifq_errors;
+	uint64_t		 ifq_mcasts;
 
 	/* work serialisation */
 	struct mutex		 ifq_task_mtx;