diff --git a/sys/dev/netmap/netmap.c b/sys/dev/netmap/netmap.c
--- a/sys/dev/netmap/netmap.c
+++ b/sys/dev/netmap/netmap.c
@@ -4329,8 +4329,10 @@
 	mbq_unlock(q);
 
 done:
-	if (m)
+	if (m) {
+		if_inc_counter(ifp, IFCOUNTER_OQDROPS, 1);
 		m_freem(m);
+	}
 	/* unconditionally wake up listeners */
 	kring->nm_notify(kring, 0);
 	/* this is normally netmap_notify(), but for nics
diff --git a/sys/dev/netmap/netmap_generic.c b/sys/dev/netmap/netmap_generic.c
--- a/sys/dev/netmap/netmap_generic.c
+++ b/sys/dev/netmap/netmap_generic.c
@@ -837,8 +837,10 @@
 		 * support RX scatter-gather. */
 		nm_prlim(2, "Warning: driver pushed up big packet "
 				"(size=%d)", (int)MBUF_LEN(m));
+		if_inc_counter(ifp, IFCOUNTER_IQDROPS, 1);
 		m_freem(m);
 	} else if (unlikely(mbq_len(&kring->rx_queue) > na->num_rx_desc)) {
+		if_inc_counter(ifp, IFCOUNTER_IQDROPS, 1);
 		m_freem(m);
 	} else {
 		mbq_safe_enqueue(&kring->rx_queue, m);