diff --git a/sys/net/iflib.c b/sys/net/iflib.c
--- a/sys/net/iflib.c
+++ b/sys/net/iflib.c
@@ -993,6 +993,7 @@
 	u_int const lim = kring->nkr_num_slots - 1;
 	u_int const head = kring->rhead;
 	struct if_pkt_info pi;
+	int tx_pkts = 0, tx_bytes = 0;
 
 	/*
 	 * interrupts on every tx packet are expensive so request
@@ -1077,6 +1078,10 @@
 				ctx->isc_txd_encap(ctx->ifc_softc, &pi);
 				DBG_COUNTER_INC(tx_encap);
 
+				/* Update transmit counters */
+				tx_bytes += pi.ipi_len;
+				tx_pkts++;
+
 				/* Reinit per-packet info for the next one. */
 				flags = seg_idx = pkt_len = 0;
 				nic_i_start = -1;
@@ -1135,6 +1140,10 @@
 			    iflib_netmap_timer, txq,
 			    txq->ift_netmap_timer.c_cpu, 0);
 		}
+
+	if_inc_counter(ifp, IFCOUNTER_OBYTES, tx_bytes);
+	if_inc_counter(ifp, IFCOUNTER_OPACKETS, tx_pkts);
+
 	return (0);
 }
 
@@ -1162,7 +1171,7 @@
 	u_int n;
 	u_int const lim = kring->nkr_num_slots - 1;
 	int force_update = (flags & NAF_FORCE_READ) || kring->nr_kflags & NKR_PENDINTR;
-	int i = 0;
+	int i = 0, rx_bytes = 0, rx_pkts = 0;
 
 	if_ctx_t ctx = ifp->if_softc;
 	if_shared_ctx_t sctx = ctx->ifc_sctx;
@@ -1233,6 +1242,10 @@
 					if (i == (ri.iri_nfrags - 1)) {
 						ring->slot[nm_i].len -= crclen;
 						ring->slot[nm_i].flags = 0;
+
+						/* Update receive counters */
+						rx_bytes += ri.iri_len;
+						rx_pkts++;
 					} else
 						ring->slot[nm_i].flags = NS_MOREFRAG;
 				}
@@ -1270,6 +1283,9 @@
 	 */
 	netmap_fl_refill(rxq, kring, false);
 
+	if_inc_counter(ifp, IFCOUNTER_IBYTES, rx_bytes);
+	if_inc_counter(ifp, IFCOUNTER_IPACKETS, rx_pkts);
+
 	return (0);
 }