Index: sys/dev/mlx5/mlx5_en/en.h
===================================================================
--- sys/dev/mlx5/mlx5_en/en.h
+++ sys/dev/mlx5/mlx5_en/en.h
@@ -141,6 +141,7 @@
   m(+1, u64 rx_broadcast_bytes, "rx_broadcast_bytes", "Received broadcast bytes") \
   m(+1, u64 tx_broadcast_packets, "tx_broadcast_packets", "Transmitted broadcast packets") \
   m(+1, u64 tx_broadcast_bytes, "tx_broadcast_bytes", "Transmitted broadcast bytes") \
+  m(+1, u64 rx_out_of_buffer, "rx_out_of_buffer", "Receive out of buffer, no recv wqes events") \
   /* SW counters */							\
   m(+1, u64 tso_packets, "tso_packets", "Transmitted TSO packets")	\
   m(+1, u64 tso_bytes, "tso_bytes", "Transmitted TSO bytes")		\
@@ -161,6 +162,7 @@
 	struct sysctl_ctx_list ctx;
 	u64	arg [0];
 	MLX5E_VPORT_STATS(MLX5E_STATS_VAR)
+	u32	rx_out_of_buffer_prev;
 };
 
 #define	MLX5E_PPORT_IEEE802_3_STATS(m)					\
@@ -265,17 +267,13 @@
   m(+1, u64 rs_corrected_symbols_lane3, "rs_corrected_symbols_lane3",			\
 			"FEC corrected symbol counter lane 3")				\
 
-#define MLX5E_PPORT_Q_CONTERS(m)                                         \
-  m(+1, u64 out_of_rx_buffer, "out_of_rx_buffer", "out of rx buffers aka no recv wqes events")
-
 /*
  * Make sure to update mlx5e_update_pport_counters()
  * when adding a new MLX5E_PPORT_STATS block
  */
 #define	MLX5E_PPORT_STATS(m)			\
   MLX5E_PPORT_IEEE802_3_STATS(m)		\
-  MLX5E_PPORT_RFC2819_STATS(m)			\
-  MLX5E_PPORT_Q_CONTERS(m)
+  MLX5E_PPORT_RFC2819_STATS(m)
 
 #define	MLX5E_PORT_STATS_DEBUG(m)		\
   MLX5E_PPORT_RFC2819_STATS_DEBUG(m)		\
Index: sys/dev/mlx5/mlx5_en/mlx5_en_main.c
===================================================================
--- sys/dev/mlx5/mlx5_en/mlx5_en_main.c
+++ sys/dev/mlx5/mlx5_en/mlx5_en_main.c
@@ -378,7 +378,7 @@
 	u64 sw_lro_flushed = 0;
 	u64 rx_csum_none = 0;
 	u64 rx_wqe_err = 0;
-	u32 out_of_rx_buffer = 0;
+	u32 rx_out_of_buffer = 0;
 	int i;
 	int j;
 
@@ -440,6 +440,16 @@
 
 	memset(out, 0, outlen);
 
+	/* get number of out-of-buffer drops first */
+	if (mlx5_vport_query_out_of_rx_buffer(mdev, priv->counter_set_id,
+	    &rx_out_of_buffer))
+		goto free_out;
+
+	/* accumulate difference into a 64-bit counter */
+	s->rx_out_of_buffer += (u64)(u32)(rx_out_of_buffer - s->rx_out_of_buffer_prev);
+	s->rx_out_of_buffer_prev = rx_out_of_buffer;
+
+	/* get port statistics */
 	if (mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen))
 		goto free_out;
 
@@ -485,7 +495,8 @@
 	s->rx_packets =
 	    s->rx_unicast_packets +
 	    s->rx_multicast_packets +
-	    s->rx_broadcast_packets;
+	    s->rx_broadcast_packets -
+	    s->rx_out_of_buffer;
 	s->rx_bytes =
 	    s->rx_unicast_bytes +
 	    s->rx_multicast_bytes +
@@ -503,10 +514,14 @@
 	s->tx_csum_offload = s->tx_packets - tx_offload_none;
 	s->rx_csum_good = s->rx_packets - s->rx_csum_none;
 
+	/* Update per port counters */
+	mlx5e_update_pport_counters(priv);
+
 #if (__FreeBSD_version < 1100000)
 	/* no get_counters interface in fbsd 10 */
 	ifp->if_ipackets = s->rx_packets;
 	ifp->if_ierrors  = s->rx_error_packets;
+	ifp->if_iqdrops = s->rx_out_of_buffer;
 	ifp->if_opackets = s->tx_packets;
 	ifp->if_oerrors = s->tx_error_packets;
 	ifp->if_snd.ifq_drops = s->tx_queue_dropped;
@@ -514,12 +529,6 @@
 	ifp->if_obytes = s->tx_bytes;
 #endif
 
-	mlx5_vport_query_out_of_rx_buffer(mdev, priv->counter_set_id,
-	    &out_of_rx_buffer);
-
-	/* Update per port counters */
-	mlx5e_update_pport_counters(priv);
-	priv->stats.pport.out_of_rx_buffer = (u64)out_of_rx_buffer;
 free_out:
 	kvfree(out);
 	PRIV_UNLOCK(priv);
@@ -2178,6 +2187,9 @@
 	case IFCOUNTER_IERRORS:
 		retval = priv->stats.vport.rx_error_packets;
 		break;
+	case IFCOUNTER_IQDROPS:
+		retval = priv->stats.vport.rx_out_of_buffer;
+		break;
 	case IFCOUNTER_OPACKETS:
 		retval = priv->stats.vport.tx_packets;
 		break;