Module Name:    src
Committed By:   msaitoh
Date:           Tue Jan 25 01:56:22 UTC 2022

Modified Files:
        src/sys/dev/pci/ixgbe: ix_txrx.c ixgbe.c ixgbe_mbx.c ixgbe_netbsd.h
            ixv.c

Log Message:
Use atomic_{load,store}_relaxed() for event counters.


To generate a diff of this commit:
cvs rdiff -u -r1.94 -r1.95 src/sys/dev/pci/ixgbe/ix_txrx.c
cvs rdiff -u -r1.304 -r1.305 src/sys/dev/pci/ixgbe/ixgbe.c
cvs rdiff -u -r1.18 -r1.19 src/sys/dev/pci/ixgbe/ixgbe_mbx.c
cvs rdiff -u -r1.14 -r1.15 src/sys/dev/pci/ixgbe/ixgbe_netbsd.h
cvs rdiff -u -r1.177 -r1.178 src/sys/dev/pci/ixgbe/ixv.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/dev/pci/ixgbe/ix_txrx.c
diff -u src/sys/dev/pci/ixgbe/ix_txrx.c:1.94 src/sys/dev/pci/ixgbe/ix_txrx.c:1.95
--- src/sys/dev/pci/ixgbe/ix_txrx.c:1.94	Wed Sep  8 09:09:47 2021
+++ src/sys/dev/pci/ixgbe/ix_txrx.c	Tue Jan 25 01:56:22 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: ix_txrx.c,v 1.94 2021/09/08 09:09:47 msaitoh Exp $ */
+/* $NetBSD: ix_txrx.c,v 1.95 2022/01/25 01:56:22 msaitoh Exp $ */
 
 /******************************************************************************
 
@@ -64,7 +64,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ix_txrx.c,v 1.94 2021/09/08 09:09:47 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ix_txrx.c,v 1.95 2022/01/25 01:56:22 msaitoh Exp $");
 
 #include "opt_inet.h"
 #include "opt_inet6.h"
@@ -247,7 +247,7 @@ ixgbe_mq_start(struct ifnet *ifp, struct
 
 	if (__predict_false(!pcq_put(txr->txr_interq, m))) {
 		m_freem(m);
-		txr->pcq_drops.ev_count++;
+		IXGBE_EVC_ADD(&txr->pcq_drops, 1);
 		return ENOBUFS;
 	}
 	if (IXGBE_TX_TRYLOCK(txr)) {
@@ -475,7 +475,7 @@ retry:
 	/* Make certain there are enough descriptors */
 	if (txr->tx_avail < (map->dm_nsegs + 2)) {
 		txr->txr_no_space = true;
-		txr->no_desc_avail.ev_count++;
+		IXGBE_EVC_ADD(&txr->no_desc_avail, 1);
 		ixgbe_dmamap_unload(txr->txtag, txbuf->map);
 		return EAGAIN;
 	}
@@ -546,7 +546,7 @@ retry:
 	 * Advance the Transmit Descriptor Tail (Tdt), this tells the
 	 * hardware that this frame is available to transmit.
 	 */
-	++txr->total_packets.ev_count;
+	IXGBE_EVC_ADD(&txr->total_packets, 1);
 	IXGBE_WRITE_REG(&adapter->hw, txr->tail, i);
 
 	net_stat_ref_t nsr = IF_STAT_GETREF(ifp);
@@ -582,7 +582,7 @@ ixgbe_drain(struct ifnet *ifp, struct tx
 
 	while ((m = pcq_get(txr->txr_interq)) != NULL) {
 		m_freem(m);
-		txr->pcq_drops.ev_count++;
+		IXGBE_EVC_ADD(&txr->pcq_drops, 1);
 	}
 }
 
@@ -839,7 +839,7 @@ ixgbe_tx_ctx_setup(struct tx_ring *txr, 
 		int rv = ixgbe_tso_setup(txr, mp, cmd_type_len, olinfo_status);
 
 		if (rv != 0)
-			++adapter->tso_err.ev_count;
+			IXGBE_EVC_ADD(&adapter->tso_err, 1);
 		return rv;
 	}
 
@@ -1081,7 +1081,7 @@ ixgbe_tso_setup(struct tx_ring *txr, str
 	*cmd_type_len |= IXGBE_ADVTXD_DCMD_TSE;
 	*olinfo_status |= IXGBE_TXD_POPTS_TXSM << 8;
 	*olinfo_status |= paylen << IXGBE_ADVTXD_PAYLEN_SHIFT;
-	++txr->tso_tx.ev_count;
+	IXGBE_EVC_ADD(&txr->tso_tx, 1);
 
 	return (0);
 } /* ixgbe_tso_setup */
@@ -1353,7 +1353,7 @@ ixgbe_refresh_mbufs(struct rx_ring *rxr,
 		if (__predict_false(rxbuf->buf == NULL)) {
 			mp = ixgbe_getcl();
 			if (mp == NULL) {
-				rxr->no_mbuf.ev_count++;
+				IXGBE_EVC_ADD(&rxr->no_mbuf, 1);
 				goto update;
 			}
 			mp->m_pkthdr.len = mp->m_len = rxr->mbuf_sz;
@@ -1536,7 +1536,7 @@ ixgbe_setup_receive_ring(struct rx_ring 
 		rxbuf->flags = 0;
 		rxbuf->buf = ixgbe_getcl();
 		if (rxbuf->buf == NULL) {
-			rxr->no_mbuf.ev_count++;
+			IXGBE_EVC_ADD(&rxr->no_mbuf, 1);
 			error = ENOBUFS;
 			goto fail;
 		}
@@ -1569,11 +1569,11 @@ ixgbe_setup_receive_ring(struct rx_ring 
 	rxr->next_to_refresh = adapter->num_rx_desc - 1; /* Fully allocated */
 	rxr->lro_enabled = FALSE;
 	rxr->discard_multidesc = false;
-	rxr->rx_copies.ev_count = 0;
+	IXGBE_EVC_STORE(&rxr->rx_copies, 0);
 #if 0 /* NetBSD */
-	rxr->rx_bytes.ev_count = 0;
+	IXGBE_EVC_STORE(&rxr->rx_bytes, 0);
 #if 1	/* Fix inconsistency */
-	rxr->rx_packets.ev_count = 0;
+	IXGBE_EVC_STORE(&rxr->rx_packets, 0);
 #endif
 #endif
 	rxr->vtag_strip = FALSE;
@@ -1904,7 +1904,7 @@ ixgbe_rxeof(struct ix_queue *que)
 			if (adapter->feat_en & IXGBE_FEATURE_VF)
 				if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
 #endif
-			rxr->rx_discarded.ev_count++;
+			IXGBE_EVC_ADD(&rxr->rx_discarded, 1);
 			ixgbe_rx_discard(rxr, i);
 			discard_multidesc = false;
 			goto next_desc;
@@ -1920,14 +1920,14 @@ ixgbe_rxeof(struct ix_queue *que)
 				/* For short packet. See below. */
 				sendmp = m_gethdr(M_NOWAIT, MT_DATA);
 				if (__predict_false(sendmp == NULL)) {
-					rxr->no_mbuf.ev_count++;
+					IXGBE_EVC_ADD(&rxr->no_mbuf, 1);
 					discard = true;
 				}
 			} else {
 				/* For long packet. */
 				newmp = ixgbe_getcl();
 				if (__predict_false(newmp == NULL)) {
-					rxr->no_mbuf.ev_count++;
+					IXGBE_EVC_ADD(&rxr->no_mbuf, 1);
 					discard = true;
 				}
 			}
@@ -2031,7 +2031,7 @@ ixgbe_rxeof(struct ix_queue *que)
 				sendmp->m_data += ETHER_ALIGN;
 				memcpy(mtod(sendmp, void *),
 				    mtod(mp, void *), len);
-				rxr->rx_copies.ev_count++;
+				IXGBE_EVC_ADD(&rxr->rx_copies, 1);
 				rbuf->flags |= IXGBE_RX_COPY;
 			} else {
 				/* Non short packet */
@@ -2060,10 +2060,10 @@ ixgbe_rxeof(struct ix_queue *que)
 		} else { /* Sending this frame */
 			m_set_rcvif(sendmp, ifp);
 			++rxr->packets;
-			rxr->rx_packets.ev_count++;
+			IXGBE_EVC_ADD(&rxr->rx_packets, 1);
 			/* capture data for AIM */
 			rxr->bytes += sendmp->m_pkthdr.len;
-			rxr->rx_bytes.ev_count += sendmp->m_pkthdr.len;
+			IXGBE_EVC_ADD(&rxr->rx_bytes, sendmp->m_pkthdr.len);
 			/* Process vlan info */
 			if ((rxr->vtag_strip) && (staterr & IXGBE_RXD_STAT_VP))
 				vtag = le16toh(cur->wb.upper.vlan);
@@ -2204,23 +2204,23 @@ ixgbe_rx_checksum(u32 staterr, struct mb
 
 	/* IPv4 checksum */
 	if (status & IXGBE_RXD_STAT_IPCS) {
-		stats->ipcs.ev_count++;
+		IXGBE_EVC_ADD(&stats->ipcs, 1);
 		if (!(errors & IXGBE_RXD_ERR_IPE)) {
 			/* IP Checksum Good */
 			mp->m_pkthdr.csum_flags = M_CSUM_IPv4;
 		} else {
-			stats->ipcs_bad.ev_count++;
+			IXGBE_EVC_ADD(&stats->ipcs_bad, 1);
 			mp->m_pkthdr.csum_flags = M_CSUM_IPv4|M_CSUM_IPv4_BAD;
 		}
 	}
 	/* TCP/UDP/SCTP checksum */
 	if (status & IXGBE_RXD_STAT_L4CS) {
-		stats->l4cs.ev_count++;
+		IXGBE_EVC_ADD(&stats->l4cs, 1);
 		int type = M_CSUM_TCPv4|M_CSUM_TCPv6|M_CSUM_UDPv4|M_CSUM_UDPv6;
 		if (!(errors & IXGBE_RXD_ERR_TCPE)) {
 			mp->m_pkthdr.csum_flags |= type;
 		} else {
-			stats->l4cs_bad.ev_count++;
+			IXGBE_EVC_ADD(&stats->l4cs_bad, 1);
 			mp->m_pkthdr.csum_flags |= type | M_CSUM_TCP_UDP_BAD;
 		}
 	}

Index: src/sys/dev/pci/ixgbe/ixgbe.c
diff -u src/sys/dev/pci/ixgbe/ixgbe.c:1.304 src/sys/dev/pci/ixgbe/ixgbe.c:1.305
--- src/sys/dev/pci/ixgbe/ixgbe.c:1.304	Tue Jan 18 04:35:49 2022
+++ src/sys/dev/pci/ixgbe/ixgbe.c	Tue Jan 25 01:56:22 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: ixgbe.c,v 1.304 2022/01/18 04:35:49 msaitoh Exp $ */
+/* $NetBSD: ixgbe.c,v 1.305 2022/01/25 01:56:22 msaitoh Exp $ */
 
 /******************************************************************************
 
@@ -64,7 +64,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ixgbe.c,v 1.304 2022/01/18 04:35:49 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ixgbe.c,v 1.305 2022/01/25 01:56:22 msaitoh Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -1627,35 +1627,27 @@ ixgbe_update_stats_counters(struct adapt
 	struct ifnet	      *ifp = adapter->ifp;
 	struct ixgbe_hw	      *hw = &adapter->hw;
 	struct ixgbe_hw_stats *stats = &adapter->stats.pf;
-	u32		      missed_rx = 0, bprc, lxon, lxoff;
+	u32		      missed_rx = 0, bprc, lxontxc, lxofftxc;
 	u64		      total, total_missed_rx = 0;
 	uint64_t	      crcerrs, illerrc, rlec, ruc, rfc, roc, rjc;
 	unsigned int	      queue_counters;
 	int		      i;
 
-#define READ_COPY_SET(hw, stats, regname, evname)		\
-	do {							\
-		(evname) = IXGBE_READ_REG((hw), regname);	\
-		(stats)->evname.ev_count += (evname);		\
-	} while (/*CONSTCOND*/0)
-	
-	READ_COPY_SET(hw, stats, IXGBE_CRCERRS, crcerrs);
-	READ_COPY_SET(hw, stats, IXGBE_ILLERRC, illerrc);
+	IXGBE_EVC_REGADD2(hw, stats, IXGBE_CRCERRS, crcerrs);
+	IXGBE_EVC_REGADD2(hw, stats, IXGBE_ILLERRC, illerrc);
 
-	stats->errbc.ev_count += IXGBE_READ_REG(hw, IXGBE_ERRBC);
-	stats->mspdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MSPDC);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_ERRBC, errbc);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_MSPDC, mspdc);
 	if (hw->mac.type >= ixgbe_mac_X550)
-		stats->mbsdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MBSDC);
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_MBSDC, mbsdc);
 
 	/* 16 registers exist */
 	queue_counters = uimin(__arraycount(stats->qprc), adapter->num_queues);
 	for (i = 0; i < queue_counters; i++) {
-		stats->qprc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPRC(i));
-		stats->qptc[i].ev_count += IXGBE_READ_REG(hw, IXGBE_QPTC(i));
-		if (hw->mac.type >= ixgbe_mac_82599EB) {
-			stats->qprdc[i].ev_count
-			    += IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
-		}
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_QPRC(i), qprc[i]);
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_QPTC(i), qptc[i]);
+		if (hw->mac.type >= ixgbe_mac_82599EB)
+			IXGBE_EVC_REGADD(hw, stats, IXGBE_QPRDC(i), qprdc[i]);
 	}
 
 	/* 8 registers exist */
@@ -1665,120 +1657,108 @@ ixgbe_update_stats_counters(struct adapt
 		/* MPC */
 		mp = IXGBE_READ_REG(hw, IXGBE_MPC(i));
 		/* global total per queue */
-		stats->mpc[i].ev_count += mp;
+		IXGBE_EVC_ADD(&stats->mpc[i], mp);
 		/* running comprehensive total for stats display */
 		total_missed_rx += mp;
 
 		if (hw->mac.type == ixgbe_mac_82598EB)
-			stats->rnbc[i].ev_count
-			    += IXGBE_READ_REG(hw, IXGBE_RNBC(i));
+			IXGBE_EVC_REGADD(hw, stats, IXGBE_RNBC(i), rnbc[i]);
 
-		stats->pxontxc[i].ev_count
-		    += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i));
-		stats->pxofftxc[i].ev_count
-		    += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i));
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_PXONTXC(i), pxontxc[i]);
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_PXOFFTXC(i), pxofftxc[i]);
 		if (hw->mac.type >= ixgbe_mac_82599EB) {
-			stats->pxonrxc[i].ev_count
-			    += IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i));
-			stats->pxoffrxc[i].ev_count
-			    += IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i));
-			stats->pxon2offc[i].ev_count
-			    += IXGBE_READ_REG(hw, IXGBE_PXON2OFFCNT(i));
+			IXGBE_EVC_REGADD(hw, stats, IXGBE_PXONRXCNT(i), pxonrxc[i]);
+			IXGBE_EVC_REGADD(hw, stats, IXGBE_PXOFFRXCNT(i), pxoffrxc[i]);
+			IXGBE_EVC_REGADD(hw, stats, IXGBE_PXON2OFFCNT(i),
+			    pxon2offc[i]);
 		} else {
-			stats->pxonrxc[i].ev_count
-			    += IXGBE_READ_REG(hw, IXGBE_PXONRXC(i));
-			stats->pxoffrxc[i].ev_count
-			    += IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i));
+			IXGBE_EVC_REGADD(hw, stats, IXGBE_PXONRXC(i), pxonrxc[i]);
+			IXGBE_EVC_REGADD(hw, stats, IXGBE_PXOFFRXC(i), pxoffrxc[i]);
 		}
 	}
-	stats->mpctotal.ev_count += total_missed_rx;
+	IXGBE_EVC_ADD(&stats->mpctotal, total_missed_rx);
 
 	/* Document says M[LR]FC are valid when link is up and 10Gbps */
 	if ((adapter->link_active == LINK_STATE_UP)
 	    && (adapter->link_speed == IXGBE_LINK_SPEED_10GB_FULL)) {
-		stats->mlfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MLFC);
-		stats->mrfc.ev_count += IXGBE_READ_REG(hw, IXGBE_MRFC);
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_MLFC, mlfc);
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_MRFC, mrfc);
 	}
-	READ_COPY_SET(hw, stats, IXGBE_RLEC, rlec);
+	IXGBE_EVC_REGADD2(hw, stats, IXGBE_RLEC, rlec);
 
 	/* Hardware workaround, gprc counts missed packets */
-	stats->gprc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPRC) - missed_rx;
+	IXGBE_EVC_ADD(&stats->gprc,
+	    IXGBE_READ_REG(hw, IXGBE_GPRC) - missed_rx);
 
-	lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC);
-	stats->lxontxc.ev_count += lxon;
-	lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC);
-	stats->lxofftxc.ev_count += lxoff;
-	total = lxon + lxoff;
+	IXGBE_EVC_REGADD2(hw, stats, IXGBE_LXONTXC, lxontxc);
+	IXGBE_EVC_REGADD2(hw, stats, IXGBE_LXOFFTXC, lxofftxc);
+	total = lxontxc + lxofftxc;
 
 	if (hw->mac.type != ixgbe_mac_82598EB) {
-		stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCL) +
-		    ((u64)IXGBE_READ_REG(hw, IXGBE_GORCH) << 32);
-		stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCL) +
+		IXGBE_EVC_ADD(&stats->gorc, IXGBE_READ_REG(hw, IXGBE_GORCL) +
+		    ((u64)IXGBE_READ_REG(hw, IXGBE_GORCH) << 32));
+		IXGBE_EVC_ADD(&stats->gotc, IXGBE_READ_REG(hw, IXGBE_GOTCL) +
 		    ((u64)IXGBE_READ_REG(hw, IXGBE_GOTCH) << 32)
-		    - total * ETHER_MIN_LEN;
-		stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORL) +
-		    ((u64)IXGBE_READ_REG(hw, IXGBE_TORH) << 32);
-		stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT);
-		stats->lxoffrxc.ev_count
-		    += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT);
+		    - total * ETHER_MIN_LEN);
+		IXGBE_EVC_ADD(&stats->tor, IXGBE_READ_REG(hw, IXGBE_TORL) +
+		    ((u64)IXGBE_READ_REG(hw, IXGBE_TORH) << 32));
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_LXONRXCNT, lxonrxc);
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_LXOFFRXCNT, lxoffrxc);
 	} else {
-		stats->lxonrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXONRXC);
-		stats->lxoffrxc.ev_count += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC);
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_LXONRXC, lxonrxc);
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_LXOFFRXC, lxoffrxc);
 		/* 82598 only has a counter in the high register */
-		stats->gorc.ev_count += IXGBE_READ_REG(hw, IXGBE_GORCH);
-		stats->gotc.ev_count += IXGBE_READ_REG(hw, IXGBE_GOTCH)
-		    - total * ETHER_MIN_LEN;
-		stats->tor.ev_count += IXGBE_READ_REG(hw, IXGBE_TORH);
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_GORCH, gorc);
+		IXGBE_EVC_ADD(&stats->gotc, IXGBE_READ_REG(hw, IXGBE_GOTCH)
+		    - total * ETHER_MIN_LEN);
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_TORH, tor);
 	}
 
 	/*
 	 * Workaround: mprc hardware is incorrectly counting
 	 * broadcasts, so for now we subtract those.
 	 */
-	bprc = IXGBE_READ_REG(hw, IXGBE_BPRC);
-	stats->bprc.ev_count += bprc;
-	stats->mprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPRC)
-	    - ((hw->mac.type == ixgbe_mac_82598EB) ? bprc : 0);
-
-	stats->prc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC64);
-	stats->prc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC127);
-	stats->prc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC255);
-	stats->prc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC511);
-	stats->prc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1023);
-	stats->prc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PRC1522);
-
-	stats->gptc.ev_count += IXGBE_READ_REG(hw, IXGBE_GPTC) - total;
-	stats->mptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MPTC) - total;
-	stats->ptc64.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC64) - total;
-
-	READ_COPY_SET(hw, stats, IXGBE_RUC, ruc);
-	READ_COPY_SET(hw, stats, IXGBE_RFC, rfc);
-	READ_COPY_SET(hw, stats, IXGBE_ROC, roc);
-	READ_COPY_SET(hw, stats, IXGBE_RJC, rjc);
-
-#undef READ_COPY_SET
-
-	stats->mngprc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPRC);
-	stats->mngpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPDC);
-	stats->mngptc.ev_count += IXGBE_READ_REG(hw, IXGBE_MNGPTC);
-	stats->tpr.ev_count += IXGBE_READ_REG(hw, IXGBE_TPR);
-	stats->tpt.ev_count += IXGBE_READ_REG(hw, IXGBE_TPT);
-	stats->ptc127.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC127);
-	stats->ptc255.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC255);
-	stats->ptc511.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC511);
-	stats->ptc1023.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1023);
-	stats->ptc1522.ev_count += IXGBE_READ_REG(hw, IXGBE_PTC1522);
-	stats->bptc.ev_count += IXGBE_READ_REG(hw, IXGBE_BPTC);
-	stats->xec.ev_count += IXGBE_READ_REG(hw, IXGBE_XEC);
-	stats->fccrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCCRC);
-	stats->fclast.ev_count += IXGBE_READ_REG(hw, IXGBE_FCLAST);
+	IXGBE_EVC_REGADD2(hw, stats, IXGBE_BPRC, bprc);
+	IXGBE_EVC_ADD(&stats->mprc, IXGBE_READ_REG(hw, IXGBE_MPRC)
+	    - ((hw->mac.type == ixgbe_mac_82598EB) ? bprc : 0));
+
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_PRC64, prc64);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_PRC127, prc127);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_PRC255, prc255);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_PRC511, prc511);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_PRC1023, prc1023);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_PRC1522, prc1522);
+
+	IXGBE_EVC_ADD(&stats->gptc, IXGBE_READ_REG(hw, IXGBE_GPTC) - total);
+	IXGBE_EVC_ADD(&stats->mptc, IXGBE_READ_REG(hw, IXGBE_MPTC) - total);
+	IXGBE_EVC_ADD(&stats->ptc64, IXGBE_READ_REG(hw, IXGBE_PTC64) - total);
+
+	IXGBE_EVC_REGADD2(hw, stats, IXGBE_RUC, ruc);
+	IXGBE_EVC_REGADD2(hw, stats, IXGBE_RFC, rfc);
+	IXGBE_EVC_REGADD2(hw, stats, IXGBE_ROC, roc);
+	IXGBE_EVC_REGADD2(hw, stats, IXGBE_RJC, rjc);
+
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_MNGPRC, mngprc);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_MNGPDC, mngpdc);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_MNGPTC, mngptc);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_TPR, tpr);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_TPT, tpt);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_PTC127, ptc127);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_PTC255, ptc255);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_PTC511, ptc511);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_PTC1023, ptc1023);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_PTC1522, ptc1522);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_BPTC, bptc);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_XEC, xec);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_FCCRC, fccrc);
+	IXGBE_EVC_REGADD(hw, stats, IXGBE_FCLAST, fclast);
 	/* Only read FCOE on 82599 */
 	if (hw->mac.type != ixgbe_mac_82598EB) {
-		stats->fcoerpdc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOERPDC);
-		stats->fcoeprc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPRC);
-		stats->fcoeptc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEPTC);
-		stats->fcoedwrc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC);
-		stats->fcoedwtc.ev_count += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC);
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_FCOERPDC, fcoerpdc);
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_FCOEPRC, fcoeprc);
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_FCOEPTC, fcoeptc);
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_FCOEDWRC, fcoedwrc);
+		IXGBE_EVC_REGADD(hw, stats, IXGBE_FCOEDWTC, fcoedwtc);
 	}
 
 	/*
@@ -2141,47 +2121,47 @@ ixgbe_clear_evcnt(struct adapter *adapte
 	struct ixgbe_hw_stats *stats = &adapter->stats.pf;
 	int i;
 
-	adapter->efbig_tx_dma_setup.ev_count = 0;
-	adapter->mbuf_defrag_failed.ev_count = 0;
-	adapter->efbig2_tx_dma_setup.ev_count = 0;
-	adapter->einval_tx_dma_setup.ev_count = 0;
-	adapter->other_tx_dma_setup.ev_count = 0;
-	adapter->eagain_tx_dma_setup.ev_count = 0;
-	adapter->enomem_tx_dma_setup.ev_count = 0;
-	adapter->tso_err.ev_count = 0;
-	adapter->watchdog_events.ev_count = 0;
-	adapter->admin_irqev.ev_count = 0;
-	adapter->link_workev.ev_count = 0;
-	adapter->mod_workev.ev_count = 0;
-	adapter->msf_workev.ev_count = 0;
-	adapter->phy_workev.ev_count = 0;
+	IXGBE_EVC_STORE(&adapter->efbig_tx_dma_setup, 0);
+	IXGBE_EVC_STORE(&adapter->mbuf_defrag_failed, 0);
+	IXGBE_EVC_STORE(&adapter->efbig2_tx_dma_setup, 0);
+	IXGBE_EVC_STORE(&adapter->einval_tx_dma_setup, 0);
+	IXGBE_EVC_STORE(&adapter->other_tx_dma_setup, 0);
+	IXGBE_EVC_STORE(&adapter->eagain_tx_dma_setup, 0);
+	IXGBE_EVC_STORE(&adapter->enomem_tx_dma_setup, 0);
+	IXGBE_EVC_STORE(&adapter->tso_err, 0);
+	IXGBE_EVC_STORE(&adapter->watchdog_events, 0);
+	IXGBE_EVC_STORE(&adapter->admin_irqev, 0);
+	IXGBE_EVC_STORE(&adapter->link_workev, 0);
+	IXGBE_EVC_STORE(&adapter->mod_workev, 0);
+	IXGBE_EVC_STORE(&adapter->msf_workev, 0);
+	IXGBE_EVC_STORE(&adapter->phy_workev, 0);
 
 	for (i = 0; i < IXGBE_TC_COUNTER_NUM; i++) {
 		if (i < __arraycount(stats->mpc)) {
-			stats->mpc[i].ev_count = 0;
+			IXGBE_EVC_STORE(&stats->mpc[i], 0);
 			if (hw->mac.type == ixgbe_mac_82598EB)
-				stats->rnbc[i].ev_count = 0;
+				IXGBE_EVC_STORE(&stats->rnbc[i], 0);
 		}
 		if (i < __arraycount(stats->pxontxc)) {
-			stats->pxontxc[i].ev_count = 0;
-			stats->pxonrxc[i].ev_count = 0;
-			stats->pxofftxc[i].ev_count = 0;
-			stats->pxoffrxc[i].ev_count = 0;
+			IXGBE_EVC_STORE(&stats->pxontxc[i], 0);
+			IXGBE_EVC_STORE(&stats->pxonrxc[i], 0);
+			IXGBE_EVC_STORE(&stats->pxofftxc[i], 0);
+			IXGBE_EVC_STORE(&stats->pxoffrxc[i], 0);
 			if (hw->mac.type >= ixgbe_mac_82599EB)
-				stats->pxon2offc[i].ev_count = 0;
+				IXGBE_EVC_STORE(&stats->pxon2offc[i], 0);
 		}
 	}
 
 	txr = adapter->tx_rings;
 	for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) {
-		adapter->queues[i].irqs.ev_count = 0;
-		adapter->queues[i].handleq.ev_count = 0;
-		adapter->queues[i].req.ev_count = 0;
-		txr->no_desc_avail.ev_count = 0;
-		txr->total_packets.ev_count = 0;
-		txr->tso_tx.ev_count = 0;
+		IXGBE_EVC_STORE(&adapter->queues[i].irqs, 0);
+		IXGBE_EVC_STORE(&adapter->queues[i].handleq, 0);
+		IXGBE_EVC_STORE(&adapter->queues[i].req, 0);
+		IXGBE_EVC_STORE(&txr->no_desc_avail, 0);
+		IXGBE_EVC_STORE(&txr->total_packets, 0);
+		IXGBE_EVC_STORE(&txr->tso_tx, 0);
 #ifndef IXGBE_LEGACY_TX
-		txr->pcq_drops.ev_count = 0;
+		IXGBE_EVC_STORE(&txr->pcq_drops, 0);
 #endif
 		txr->q_efbig_tx_dma_setup = 0;
 		txr->q_mbuf_defrag_failed = 0;
@@ -2193,75 +2173,75 @@ ixgbe_clear_evcnt(struct adapter *adapte
 		txr->q_tso_err = 0;
 
 		if (i < __arraycount(stats->qprc)) {
-			stats->qprc[i].ev_count = 0;
-			stats->qptc[i].ev_count = 0;
-			stats->qbrc[i].ev_count = 0;
-			stats->qbtc[i].ev_count = 0;
+			IXGBE_EVC_STORE(&stats->qprc[i], 0);
+			IXGBE_EVC_STORE(&stats->qptc[i], 0);
+			IXGBE_EVC_STORE(&stats->qbrc[i], 0);
+			IXGBE_EVC_STORE(&stats->qbtc[i], 0);
 			if (hw->mac.type >= ixgbe_mac_82599EB)
-				stats->qprdc[i].ev_count = 0;
+				IXGBE_EVC_STORE(&stats->qprdc[i], 0);
 		}
 
-		rxr->rx_packets.ev_count = 0;
-		rxr->rx_bytes.ev_count = 0;
-		rxr->rx_copies.ev_count = 0;
-		rxr->no_mbuf.ev_count = 0;
-		rxr->rx_discarded.ev_count = 0;
-	}
-	stats->ipcs.ev_count = 0;
-	stats->l4cs.ev_count = 0;
-	stats->ipcs_bad.ev_count = 0;
-	stats->l4cs_bad.ev_count = 0;
-	stats->intzero.ev_count = 0;
-	stats->legint.ev_count = 0;
-	stats->crcerrs.ev_count = 0;
-	stats->illerrc.ev_count = 0;
-	stats->errbc.ev_count = 0;
-	stats->mspdc.ev_count = 0;
+		IXGBE_EVC_STORE(&rxr->rx_packets, 0);
+		IXGBE_EVC_STORE(&rxr->rx_bytes, 0);
+		IXGBE_EVC_STORE(&rxr->rx_copies, 0);
+		IXGBE_EVC_STORE(&rxr->no_mbuf, 0);
+		IXGBE_EVC_STORE(&rxr->rx_discarded, 0);
+	}
+	IXGBE_EVC_STORE(&stats->ipcs, 0);
+	IXGBE_EVC_STORE(&stats->l4cs, 0);
+	IXGBE_EVC_STORE(&stats->ipcs_bad, 0);
+	IXGBE_EVC_STORE(&stats->l4cs_bad, 0);
+	IXGBE_EVC_STORE(&stats->intzero, 0);
+	IXGBE_EVC_STORE(&stats->legint, 0);
+	IXGBE_EVC_STORE(&stats->crcerrs, 0);
+	IXGBE_EVC_STORE(&stats->illerrc, 0);
+	IXGBE_EVC_STORE(&stats->errbc, 0);
+	IXGBE_EVC_STORE(&stats->mspdc, 0);
 	if (hw->mac.type >= ixgbe_mac_X550)
-		stats->mbsdc.ev_count = 0;
-	stats->mpctotal.ev_count = 0;
-	stats->mlfc.ev_count = 0;
-	stats->mrfc.ev_count = 0;
-	stats->rlec.ev_count = 0;
-	stats->lxontxc.ev_count = 0;
-	stats->lxonrxc.ev_count = 0;
-	stats->lxofftxc.ev_count = 0;
-	stats->lxoffrxc.ev_count = 0;
+		IXGBE_EVC_STORE(&stats->mbsdc, 0);
+	IXGBE_EVC_STORE(&stats->mpctotal, 0);
+	IXGBE_EVC_STORE(&stats->mlfc, 0);
+	IXGBE_EVC_STORE(&stats->mrfc, 0);
+	IXGBE_EVC_STORE(&stats->rlec, 0);
+	IXGBE_EVC_STORE(&stats->lxontxc, 0);
+	IXGBE_EVC_STORE(&stats->lxonrxc, 0);
+	IXGBE_EVC_STORE(&stats->lxofftxc, 0);
+	IXGBE_EVC_STORE(&stats->lxoffrxc, 0);
 
 	/* Packet Reception Stats */
-	stats->tor.ev_count = 0;
-	stats->gorc.ev_count = 0;
-	stats->tpr.ev_count = 0;
-	stats->gprc.ev_count = 0;
-	stats->mprc.ev_count = 0;
-	stats->bprc.ev_count = 0;
-	stats->prc64.ev_count = 0;
-	stats->prc127.ev_count = 0;
-	stats->prc255.ev_count = 0;
-	stats->prc511.ev_count = 0;
-	stats->prc1023.ev_count = 0;
-	stats->prc1522.ev_count = 0;
-	stats->ruc.ev_count = 0;
-	stats->rfc.ev_count = 0;
-	stats->roc.ev_count = 0;
-	stats->rjc.ev_count = 0;
-	stats->mngprc.ev_count = 0;
-	stats->mngpdc.ev_count = 0;
-	stats->xec.ev_count = 0;
+	IXGBE_EVC_STORE(&stats->tor, 0);
+	IXGBE_EVC_STORE(&stats->gorc, 0);
+	IXGBE_EVC_STORE(&stats->tpr, 0);
+	IXGBE_EVC_STORE(&stats->gprc, 0);
+	IXGBE_EVC_STORE(&stats->mprc, 0);
+	IXGBE_EVC_STORE(&stats->bprc, 0);
+	IXGBE_EVC_STORE(&stats->prc64, 0);
+	IXGBE_EVC_STORE(&stats->prc127, 0);
+	IXGBE_EVC_STORE(&stats->prc255, 0);
+	IXGBE_EVC_STORE(&stats->prc511, 0);
+	IXGBE_EVC_STORE(&stats->prc1023, 0);
+	IXGBE_EVC_STORE(&stats->prc1522, 0);
+	IXGBE_EVC_STORE(&stats->ruc, 0);
+	IXGBE_EVC_STORE(&stats->rfc, 0);
+	IXGBE_EVC_STORE(&stats->roc, 0);
+	IXGBE_EVC_STORE(&stats->rjc, 0);
+	IXGBE_EVC_STORE(&stats->mngprc, 0);
+	IXGBE_EVC_STORE(&stats->mngpdc, 0);
+	IXGBE_EVC_STORE(&stats->xec, 0);
 
 	/* Packet Transmission Stats */
-	stats->gotc.ev_count = 0;
-	stats->tpt.ev_count = 0;
-	stats->gptc.ev_count = 0;
-	stats->bptc.ev_count = 0;
-	stats->mptc.ev_count = 0;
-	stats->mngptc.ev_count = 0;
-	stats->ptc64.ev_count = 0;
-	stats->ptc127.ev_count = 0;
-	stats->ptc255.ev_count = 0;
-	stats->ptc511.ev_count = 0;
-	stats->ptc1023.ev_count = 0;
-	stats->ptc1522.ev_count = 0;
+	IXGBE_EVC_STORE(&stats->gotc, 0);
+	IXGBE_EVC_STORE(&stats->tpt, 0);
+	IXGBE_EVC_STORE(&stats->gptc, 0);
+	IXGBE_EVC_STORE(&stats->bptc, 0);
+	IXGBE_EVC_STORE(&stats->mptc, 0);
+	IXGBE_EVC_STORE(&stats->mngptc, 0);
+	IXGBE_EVC_STORE(&stats->ptc64, 0);
+	IXGBE_EVC_STORE(&stats->ptc127, 0);
+	IXGBE_EVC_STORE(&stats->ptc255, 0);
+	IXGBE_EVC_STORE(&stats->ptc511, 0);
+	IXGBE_EVC_STORE(&stats->ptc1023, 0);
+	IXGBE_EVC_STORE(&stats->ptc1522, 0);
 }
 
 /************************************************************************
@@ -2821,7 +2801,7 @@ ixgbe_msix_que(void *arg)
 		return 0;
 
 	ixgbe_disable_queue(adapter, que->msix);
-	++que->irqs.ev_count;
+	IXGBE_EVC_ADD(&que->irqs, 1);
 
 	/*
 	 * Don't change "que->txrx_use_workqueue" from this point to avoid
@@ -3162,7 +3142,7 @@ ixgbe_msix_admin(void *arg)
 	u32		eims_orig;
 	u32		eims_disable = 0;
 
-	++adapter->admin_irqev.ev_count;
+	IXGBE_EVC_ADD(&adapter->admin_irqev, 1);
 
 	eims_orig = IXGBE_READ_REG(hw, IXGBE_EIMS);
 	/* Pause other interrupts */
@@ -4653,14 +4633,14 @@ ixgbe_handle_timer(struct work *wk, void
 		v6 += txr->q_enomem_tx_dma_setup;
 		v7 += txr->q_tso_err;
 	}
-	adapter->efbig_tx_dma_setup.ev_count = v0;
-	adapter->mbuf_defrag_failed.ev_count = v1;
-	adapter->efbig2_tx_dma_setup.ev_count = v2;
-	adapter->einval_tx_dma_setup.ev_count = v3;
-	adapter->other_tx_dma_setup.ev_count = v4;
-	adapter->eagain_tx_dma_setup.ev_count = v5;
-	adapter->enomem_tx_dma_setup.ev_count = v6;
-	adapter->tso_err.ev_count = v7;
+	IXGBE_EVC_STORE(&adapter->efbig_tx_dma_setup, v0);
+	IXGBE_EVC_STORE(&adapter->mbuf_defrag_failed, v1);
+	IXGBE_EVC_STORE(&adapter->efbig2_tx_dma_setup, v2);
+	IXGBE_EVC_STORE(&adapter->einval_tx_dma_setup, v3);
+	IXGBE_EVC_STORE(&adapter->other_tx_dma_setup, v4);
+	IXGBE_EVC_STORE(&adapter->eagain_tx_dma_setup, v5);
+	IXGBE_EVC_STORE(&adapter->enomem_tx_dma_setup, v6);
+	IXGBE_EVC_STORE(&adapter->tso_err, v7);
 
 	/*
 	 * Check the TX queues status
@@ -4719,7 +4699,7 @@ ixgbe_handle_timer(struct work *wk, void
 watchdog:
 	device_printf(adapter->dev, "Watchdog timeout -- resetting\n");
 	adapter->ifp->if_flags &= ~IFF_RUNNING;
-	adapter->watchdog_events.ev_count++;
+	IXGBE_EVC_ADD(&adapter->watchdog_events, 1);
 	ixgbe_init_locked(adapter);
 	IXGBE_CORE_UNLOCK(adapter);
 } /* ixgbe_handle_timer */
@@ -4783,7 +4763,7 @@ ixgbe_handle_mod(void *context, bool int
 
 	last_sfp_type = hw->phy.sfp_type;
 	last_unsupported_sfp_recovery = hw->need_unsupported_sfp_recovery;
-	++adapter->mod_workev.ev_count;
+	IXGBE_EVC_ADD(&adapter->mod_workev, 1);
 	if (adapter->hw.need_crosstalk_fix) {
 		if ((hw->mac.type != ixgbe_mac_82598EB) &&
 		    !ixgbe_sfp_cage_full(hw))
@@ -4870,7 +4850,7 @@ ixgbe_handle_msf(void *context)
 
 	KASSERT(mutex_owned(&adapter->core_mtx));
 
-	++adapter->msf_workev.ev_count;
+	IXGBE_EVC_ADD(&adapter->msf_workev, 1);
 
 	autoneg = hw->phy.autoneg_advertised;
 	if ((!autoneg) && (hw->mac.ops.get_link_capabilities))
@@ -4891,7 +4871,7 @@ ixgbe_handle_phy(void *context)
 
 	KASSERT(mutex_owned(&adapter->core_mtx));
 
-	++adapter->phy_workev.ev_count;
+	IXGBE_EVC_ADD(&adapter->phy_workev, 1);
 	error = hw->phy.ops.handle_lasi(hw);
 	if (error == IXGBE_ERR_OVERTEMP)
 		device_printf(adapter->dev,
@@ -5293,16 +5273,16 @@ ixgbe_legacy_irq(void *arg)
 	/* Read and clear EICR */
 	eicr = IXGBE_READ_REG(hw, IXGBE_EICR);
 
-	adapter->stats.pf.legint.ev_count++;
+	IXGBE_EVC_ADD(&adapter->stats.pf.legint, 1);
 	if (eicr == 0) {
-		adapter->stats.pf.intzero.ev_count++;
+		IXGBE_EVC_ADD(&adapter->stats.pf.intzero, 1);
 		IXGBE_WRITE_REG(hw, IXGBE_EIMS, eims_orig);
 		return 0;
 	}
 
 	/* Queue (0) intr */
 	if ((eicr & IXGBE_EIMC_RTX_QUEUE) != 0) {
-		++que->irqs.ev_count;
+		IXGBE_EVC_ADD(&que->irqs, 1);
 
 		/*
 		 * The same as ixgbe_msix_que() about
@@ -5318,7 +5298,7 @@ ixgbe_legacy_irq(void *arg)
 #endif
 		IXGBE_TX_UNLOCK(txr);
 
-		que->req.ev_count++;
+		IXGBE_EVC_ADD(&que->req, 1);
 		ixgbe_sched_handle_que(adapter, que);
 		/* Disable queue 0 interrupt */
 		eims_disable |= 1UL << 0;
@@ -6639,7 +6619,7 @@ ixgbe_handle_que(void *context)
 	struct ifnet	*ifp = adapter->ifp;
 	bool		more = false;
 
-	que->handleq.ev_count++;
+	IXGBE_EVC_ADD(&que->handleq, 1);
 
 	if (ifp->if_flags & IFF_RUNNING) {
 		more = ixgbe_rxeof(que);
@@ -6657,7 +6637,7 @@ ixgbe_handle_que(void *context)
 	}
 
 	if (more) {
-		que->req.ev_count++;
+		IXGBE_EVC_ADD(&que->req, 1);
 		ixgbe_sched_handle_que(adapter, que);
 	} else if (que->res != NULL) {
 		/* MSIX: Re-enable this interrupt */
@@ -7119,7 +7099,7 @@ ixgbe_handle_link(void *context)
 
 	KASSERT(mutex_owned(&adapter->core_mtx));
 
-	++adapter->link_workev.ev_count;
+	IXGBE_EVC_ADD(&adapter->link_workev, 1);
 	ixgbe_check_link(hw, &adapter->link_speed, &adapter->link_up, 0);
 	ixgbe_update_link_status(adapter);
 

Index: src/sys/dev/pci/ixgbe/ixgbe_mbx.c
diff -u src/sys/dev/pci/ixgbe/ixgbe_mbx.c:1.18 src/sys/dev/pci/ixgbe/ixgbe_mbx.c:1.19
--- src/sys/dev/pci/ixgbe/ixgbe_mbx.c:1.18	Tue Jan 18 09:27:46 2022
+++ src/sys/dev/pci/ixgbe/ixgbe_mbx.c	Tue Jan 25 01:56:22 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: ixgbe_mbx.c,v 1.18 2022/01/18 09:27:46 msaitoh Exp $ */
+/* $NetBSD: ixgbe_mbx.c,v 1.19 2022/01/25 01:56:22 msaitoh Exp $ */
 
 /******************************************************************************
   SPDX-License-Identifier: BSD-3-Clause
@@ -36,9 +36,10 @@
 /*$FreeBSD: head/sys/dev/ixgbe/ixgbe_mbx.c 326022 2017-11-20 19:36:21Z pfg $*/
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ixgbe_mbx.c,v 1.18 2022/01/18 09:27:46 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ixgbe_mbx.c,v 1.19 2022/01/25 01:56:22 msaitoh Exp $");
 
 #include "ixgbe_type.h"
+#include "ixgbe_netbsd.h"
 #include "ixgbe_mbx.h"
 
 static s32 ixgbe_poll_for_msg(struct ixgbe_hw *hw, u16 mbx_id);
@@ -314,7 +315,7 @@ static void ixgbe_clear_msg_vf(struct ix
 	u32 vf_mailbox = ixgbe_read_mailbox_vf(hw);
 
 	if (vf_mailbox & IXGBE_VFMAILBOX_PFSTS) {
-		hw->mbx.stats.reqs.ev_count++;
+		IXGBE_EVC_ADD(&hw->mbx.stats.reqs, 1);
 		hw->mbx.vf_mailbox &= ~IXGBE_VFMAILBOX_PFSTS;
 	}
 }
@@ -324,7 +325,7 @@ static void ixgbe_clear_ack_vf(struct ix
 	u32 vf_mailbox = ixgbe_read_mailbox_vf(hw);
 
 	if (vf_mailbox & IXGBE_VFMAILBOX_PFACK) {
-		hw->mbx.stats.acks.ev_count++;
+		IXGBE_EVC_ADD(&hw->mbx.stats.acks, 1);
 		hw->mbx.vf_mailbox &= ~IXGBE_VFMAILBOX_PFACK;
 	}
 }
@@ -334,7 +335,7 @@ static void ixgbe_clear_rst_vf(struct ix
 	u32 vf_mailbox = ixgbe_read_mailbox_vf(hw);
 
 	if (vf_mailbox & (IXGBE_VFMAILBOX_RSTI | IXGBE_VFMAILBOX_RSTD)) {
-		hw->mbx.stats.rsts.ev_count++;
+		IXGBE_EVC_ADD(&hw->mbx.stats.rsts, 1);
 		hw->mbx.vf_mailbox &= ~(IXGBE_VFMAILBOX_RSTI |
 					IXGBE_VFMAILBOX_RSTD);
 	}
@@ -371,7 +372,7 @@ static s32 ixgbe_check_for_msg_vf(struct
 	DEBUGFUNC("ixgbe_check_for_msg_vf");
 
 	if (!ixgbe_check_for_bit_vf(hw, IXGBE_VFMAILBOX_PFSTS)) {
-		hw->mbx.stats.reqs.ev_count++;
+		IXGBE_EVC_ADD(&hw->mbx.stats.reqs, 1);
 		return IXGBE_SUCCESS;
 	}
 
@@ -393,7 +394,7 @@ static s32 ixgbe_check_for_ack_vf(struct
 	if (!ixgbe_check_for_bit_vf(hw, IXGBE_VFMAILBOX_PFACK)) {
 		/* TODO: should this be autocleared? */
 		ixgbe_clear_ack_vf(hw);
-		hw->mbx.stats.acks.ev_count++;
+		IXGBE_EVC_ADD(&hw->mbx.stats.acks, 1);
 		return IXGBE_SUCCESS;
 	}
 
@@ -416,7 +417,7 @@ static s32 ixgbe_check_for_rst_vf(struct
 					  IXGBE_VFMAILBOX_RSTD)) {
 		/* TODO: should this be autocleared? */
 		ixgbe_clear_rst_vf(hw);
-		hw->mbx.stats.rsts.ev_count++;
+		IXGBE_EVC_ADD(&hw->mbx.stats.rsts, 1);
 		return IXGBE_SUCCESS;
 	}
 
@@ -531,7 +532,7 @@ static s32 ixgbe_write_mbx_vf_legacy(str
 		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_VFMBMEM, i, msg[i]);
 
 	/* update stats */
-	hw->mbx.stats.msgs_tx.ev_count++;
+	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_tx, 1);
 
 	/* interrupt the PF to tell it a message has been sent */
 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, IXGBE_VFMAILBOX_REQ);
@@ -573,7 +574,7 @@ static s32 ixgbe_write_mbx_vf(struct ixg
 		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_VFMBMEM, i, msg[i]);
 
 	/* update stats */
-	hw->mbx.stats.msgs_tx.ev_count++;
+	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_tx, 1);
 
 	/* interrupt the PF to tell it a message has been sent */
 	vf_mailbox = ixgbe_read_mailbox_vf(hw);
@@ -620,7 +621,7 @@ static s32 ixgbe_read_mbx_vf_legacy(stru
 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, IXGBE_VFMAILBOX_ACK);
 
 	/* update stats */
-	hw->mbx.stats.msgs_rx.ev_count++;
+	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_rx, 1);
 
 	return IXGBE_SUCCESS;
 }
@@ -661,7 +662,7 @@ static s32 ixgbe_read_mbx_vf(struct ixgb
 	IXGBE_WRITE_REG(hw, IXGBE_VFMAILBOX, vf_mailbox);
 
 	/* update stats */
-	hw->mbx.stats.msgs_rx.ev_count++;
+	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_rx, 1);
 
 	return IXGBE_SUCCESS;
 }
@@ -691,11 +692,11 @@ void ixgbe_init_mbx_params_vf(struct ixg
 	mbx->ops[0].check_for_rst = ixgbe_check_for_rst_vf;
 	mbx->ops[0].clear = NULL;
 
-	mbx->stats.msgs_tx.ev_count = 0;
-	mbx->stats.msgs_rx.ev_count = 0;
-	mbx->stats.reqs.ev_count = 0;
-	mbx->stats.acks.ev_count = 0;
-	mbx->stats.rsts.ev_count = 0;
+	IXGBE_EVC_STORE(&mbx->stats.msgs_tx, 0);
+	IXGBE_EVC_STORE(&mbx->stats.msgs_rx, 0);
+	IXGBE_EVC_STORE(&mbx->stats.reqs, 0);
+	IXGBE_EVC_STORE(&mbx->stats.acks, 0);
+	IXGBE_EVC_STORE(&mbx->stats.rsts, 0);
 }
 
 /**
@@ -732,7 +733,7 @@ static void ixgbe_clear_msg_pf(struct ix
 	pfmbicr = IXGBE_READ_REG(hw, IXGBE_PFMBICR(index));
 
 	if (pfmbicr & (IXGBE_PFMBICR_VFREQ_VF1 << vf_shift))
-		hw->mbx.stats.reqs.ev_count++;
+		IXGBE_EVC_ADD(&hw->mbx.stats.reqs, 1);
 
 	IXGBE_WRITE_REG(hw, IXGBE_PFMBICR(index),
 			IXGBE_PFMBICR_VFREQ_VF1 << vf_shift);
@@ -747,7 +748,7 @@ static void ixgbe_clear_ack_pf(struct ix
 	pfmbicr = IXGBE_READ_REG(hw, IXGBE_PFMBICR(index));
 
 	if (pfmbicr & (IXGBE_PFMBICR_VFACK_VF1 << vf_shift))
-		hw->mbx.stats.acks.ev_count++;
+		IXGBE_EVC_ADD(&hw->mbx.stats.acks, 1);
 
 	IXGBE_WRITE_REG(hw, IXGBE_PFMBICR(index),
 			IXGBE_PFMBICR_VFACK_VF1 << vf_shift);
@@ -842,7 +843,7 @@ static s32 ixgbe_check_for_rst_pf(struct
 	if (vflre & (1 << vf_shift)) {
 		ret_val = IXGBE_SUCCESS;
 		IXGBE_WRITE_REG(hw, IXGBE_PFVFLREC(index), (1 << vf_shift));
-		hw->mbx.stats.rsts.ev_count++;
+		IXGBE_EVC_ADD(&hw->mbx.stats.rsts, 1);
 	}
 
 	return ret_val;
@@ -946,7 +947,7 @@ static s32 ixgbe_write_mbx_pf_legacy(str
 	IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_id), IXGBE_PFMAILBOX_STS);
 
 	/* update stats */
-	hw->mbx.stats.msgs_tx.ev_count++;
+	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_tx, 1);
 
 	return IXGBE_SUCCESS;
 }
@@ -991,7 +992,7 @@ static s32 ixgbe_write_mbx_pf(struct ixg
 	ixgbe_poll_for_ack(hw, vf_id);
 
 	/* update stats */
-	hw->mbx.stats.msgs_tx.ev_count++;
+	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_tx, 1);
 
 out:
 	hw->mbx.ops[vf_id].release(hw, vf_id);
@@ -1032,7 +1033,7 @@ static s32 ixgbe_read_mbx_pf_legacy(stru
 	IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_id), IXGBE_PFMAILBOX_ACK);
 
 	/* update stats */
-	hw->mbx.stats.msgs_rx.ev_count++;
+	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_rx, 1);
 
 	return IXGBE_SUCCESS;
 }
@@ -1074,7 +1075,7 @@ static s32 ixgbe_read_mbx_pf(struct ixgb
 	IXGBE_WRITE_REG(hw, IXGBE_PFMAILBOX(vf_id), pf_mailbox);
 
 	/* update stats */
-	hw->mbx.stats.msgs_rx.ev_count++;
+	IXGBE_EVC_ADD(&hw->mbx.stats.msgs_rx, 1);
 
 	return IXGBE_SUCCESS;
 }
@@ -1148,11 +1149,11 @@ void ixgbe_init_mbx_params_pf(struct ixg
 	mbx->size = IXGBE_VFMAILBOX_SIZE;
 
 	/* Initialize counters with zeroes */
-	mbx->stats.msgs_tx.ev_count = 0;
-	mbx->stats.msgs_rx.ev_count = 0;
-	mbx->stats.reqs.ev_count = 0;
-	mbx->stats.acks.ev_count = 0;
-	mbx->stats.rsts.ev_count = 0;
+	IXGBE_EVC_STORE(&mbx->stats.msgs_tx, 0);
+	IXGBE_EVC_STORE(&mbx->stats.msgs_rx, 0);
+	IXGBE_EVC_STORE(&mbx->stats.reqs, 0);
+	IXGBE_EVC_STORE(&mbx->stats.acks, 0);
+	IXGBE_EVC_STORE(&mbx->stats.rsts, 0);
 
 	/* No matter of VF number, we initialize params for all 64 VFs. */
 	/* TODO: 1. Add a define for max VF and refactor SHARED to get rid

Index: src/sys/dev/pci/ixgbe/ixgbe_netbsd.h
diff -u src/sys/dev/pci/ixgbe/ixgbe_netbsd.h:1.14 src/sys/dev/pci/ixgbe/ixgbe_netbsd.h:1.15
--- src/sys/dev/pci/ixgbe/ixgbe_netbsd.h:1.14	Wed Aug 25 09:06:02 2021
+++ src/sys/dev/pci/ixgbe/ixgbe_netbsd.h	Tue Jan 25 01:56:22 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: ixgbe_netbsd.h,v 1.14 2021/08/25 09:06:02 msaitoh Exp $ */
+/* $NetBSD: ixgbe_netbsd.h,v 1.15 2022/01/25 01:56:22 msaitoh Exp $ */
 /*
  * Copyright (c) 2011 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -50,6 +50,35 @@
 
 #define IFCAP_HWCSUM	(IFCAP_RXCSUM|IFCAP_TXCSUM)
 
+
+/* Helper macros for evcnt(9) .*/
+#ifdef __HAVE_ATOMIC64_LOADSTORE
+#define IXGBE_EVC_LOAD(evp)				\
+	atomic_load_relaxed(&((evp)->ev_count))
+#define IXGBE_EVC_STORE(evp, val)			\
+	atomic_store_relaxed(&((evp)->ev_count), (val))
+#define IXGBE_EVC_ADD(evp, val)					\
+	atomic_store_relaxed(&((evp)->ev_count),		\
+	    atomic_load_relaxed(&((evp)->ev_count)) + (val))
+#else
+#define IXGBE_EVC_LOAD(evp)		((ev)->ev_count))
+#define IXGBE_EVC_STORE(evp, val)	((ev)->ev_count = (val))
+#define IXGBE_EVC_ADD(evp, val)		((ev)->ev_count += (val))
+#endif
+
+#define IXGBE_EVC_REGADD(hw, stats, regname, evname)			\
+	IXGBE_EVC_ADD(&(stats)->evname, IXGBE_READ_REG((hw), (regname)))
+
+/*
+ * Copy a register value to variable "evname" for later use.
+ * "evname" is also the name of the evcnt.
+ */
+#define IXGBE_EVC_REGADD2(hw, stats, regname, evname)		\
+	do {							\
+		(evname) = IXGBE_READ_REG((hw), (regname));	\
+		IXGBE_EVC_ADD(&(stats)->evname, (evname));	\
+	} while (/*CONSTCOND*/0)
+
 struct ixgbe_dma_tag {
 	bus_dma_tag_t	dt_dmat;
 	bus_size_t	dt_alignment;

Index: src/sys/dev/pci/ixgbe/ixv.c
diff -u src/sys/dev/pci/ixgbe/ixv.c:1.177 src/sys/dev/pci/ixgbe/ixv.c:1.178
--- src/sys/dev/pci/ixgbe/ixv.c:1.177	Mon Jan 24 01:57:52 2022
+++ src/sys/dev/pci/ixgbe/ixv.c	Tue Jan 25 01:56:22 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: ixv.c,v 1.177 2022/01/24 01:57:52 msaitoh Exp $ */
+/* $NetBSD: ixv.c,v 1.178 2022/01/25 01:56:22 msaitoh Exp $ */
 
 /******************************************************************************
 
@@ -35,7 +35,7 @@
 /*$FreeBSD: head/sys/dev/ixgbe/if_ixv.c 331224 2018-03-19 20:55:05Z erj $*/
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ixv.c,v 1.177 2022/01/24 01:57:52 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ixv.c,v 1.178 2022/01/25 01:56:22 msaitoh Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -878,7 +878,7 @@ ixv_msix_que(void *arg)
 	u32		newitr = 0;
 
 	ixv_disable_queue(adapter, que->msix);
-	++que->irqs.ev_count;
+	IXGBE_EVC_ADD(&que->irqs, 1);
 
 #ifdef __NetBSD__
 	/* Don't run ixgbe_rxeof in interrupt context */
@@ -964,7 +964,7 @@ ixv_msix_mbx(void *arg)
 	struct adapter	*adapter = arg;
 	struct ixgbe_hw *hw = &adapter->hw;
 
-	++adapter->admin_irqev.ev_count;
+	IXGBE_EVC_ADD(&adapter->admin_irqev, 1);
 	/* NetBSD: We use auto-clear, so it's not required to write VTEICR */
 
 	/* Link status change */
@@ -1303,14 +1303,14 @@ ixv_handle_timer(struct work *wk, void *
 		v6 += txr->q_enomem_tx_dma_setup;
 		v7 += txr->q_tso_err;
 	}
-	adapter->efbig_tx_dma_setup.ev_count = v0;
-	adapter->mbuf_defrag_failed.ev_count = v1;
-	adapter->efbig2_tx_dma_setup.ev_count = v2;
-	adapter->einval_tx_dma_setup.ev_count = v3;
-	adapter->other_tx_dma_setup.ev_count = v4;
-	adapter->eagain_tx_dma_setup.ev_count = v5;
-	adapter->enomem_tx_dma_setup.ev_count = v6;
-	adapter->tso_err.ev_count = v7;
+	IXGBE_EVC_STORE(&adapter->efbig_tx_dma_setup, v0);
+	IXGBE_EVC_STORE(&adapter->mbuf_defrag_failed, v1);
+	IXGBE_EVC_STORE(&adapter->efbig2_tx_dma_setup, v2);
+	IXGBE_EVC_STORE(&adapter->einval_tx_dma_setup, v3);
+	IXGBE_EVC_STORE(&adapter->other_tx_dma_setup, v4);
+	IXGBE_EVC_STORE(&adapter->eagain_tx_dma_setup, v5);
+	IXGBE_EVC_STORE(&adapter->enomem_tx_dma_setup, v6);
+	IXGBE_EVC_STORE(&adapter->tso_err, v7);
 
 	/*
 	 * Check the TX queues status
@@ -1363,7 +1363,7 @@ ixv_handle_timer(struct work *wk, void *
 watchdog:
 	device_printf(adapter->dev, "Watchdog timeout -- resetting\n");
 	adapter->ifp->if_flags &= ~IFF_RUNNING;
-	adapter->watchdog_events.ev_count++;
+	IXGBE_EVC_ADD(&adapter->watchdog_events, 1);
 	ixv_init_locked(adapter);
 	IXGBE_CORE_UNLOCK(adapter);
 } /* ixv_handle_timer */
@@ -2425,20 +2425,20 @@ ixv_init_stats(struct adapter *adapter)
 #define UPDATE_STAT_32(reg, last, count)		\
 {							\
 	u32 current = IXGBE_READ_REG(hw, (reg));	\
-	count.ev_count += current - last;		\
+	IXGBE_EVC_ADD(&count, current - (last));	\
 	(last) = current;				\
 }
 
-#define UPDATE_STAT_36(lsb, msb, last, count)		   	\
-{						   		\
-	u64 cur_lsb = IXGBE_READ_REG(hw, (lsb));		\
-	u64 cur_msb = IXGBE_READ_REG(hw, (msb));		\
-	u64 current = ((cur_msb << 32) | cur_lsb);		\
-	if (current < (last))					\
-		count.ev_count += current + __BIT(36) - (last);	\
-	else							\
-		count.ev_count += current - (last);		\
-	(last) = current;					\
+#define UPDATE_STAT_36(lsb, msb, last, count)				\
+	{								\
+	u64 cur_lsb = IXGBE_READ_REG(hw, (lsb));			\
+	u64 cur_msb = IXGBE_READ_REG(hw, (msb));			\
+	u64 current = ((cur_msb << 32) | cur_lsb);			\
+	if (current < (last))						\
+		IXGBE_EVC_ADD(&count, current + __BIT(36) - (last));	\
+	else								\
+		IXGBE_EVC_ADD(&count, current - (last));		\
+	(last) = current;						\
 }
 
 /************************************************************************
@@ -2780,27 +2780,27 @@ ixv_clear_evcnt(struct adapter *adapter)
 	int i;
 
 	/* Driver Statistics */
-	adapter->efbig_tx_dma_setup.ev_count = 0;
-	adapter->mbuf_defrag_failed.ev_count = 0;
-	adapter->efbig2_tx_dma_setup.ev_count = 0;
-	adapter->einval_tx_dma_setup.ev_count = 0;
-	adapter->other_tx_dma_setup.ev_count = 0;
-	adapter->eagain_tx_dma_setup.ev_count = 0;
-	adapter->enomem_tx_dma_setup.ev_count = 0;
-	adapter->watchdog_events.ev_count = 0;
-	adapter->tso_err.ev_count = 0;
-	adapter->admin_irqev.ev_count = 0;
-	adapter->link_workev.ev_count = 0;
+	IXGBE_EVC_STORE(&adapter->efbig_tx_dma_setup, 0);
+	IXGBE_EVC_STORE(&adapter->mbuf_defrag_failed, 0);
+	IXGBE_EVC_STORE(&adapter->efbig2_tx_dma_setup, 0);
+	IXGBE_EVC_STORE(&adapter->einval_tx_dma_setup, 0);
+	IXGBE_EVC_STORE(&adapter->other_tx_dma_setup, 0);
+	IXGBE_EVC_STORE(&adapter->eagain_tx_dma_setup, 0);
+	IXGBE_EVC_STORE(&adapter->enomem_tx_dma_setup, 0);
+	IXGBE_EVC_STORE(&adapter->watchdog_events, 0);
+	IXGBE_EVC_STORE(&adapter->tso_err, 0);
+	IXGBE_EVC_STORE(&adapter->admin_irqev, 0);
+	IXGBE_EVC_STORE(&adapter->link_workev, 0);
 
 	for (i = 0; i < adapter->num_queues; i++, rxr++, txr++) {
-		adapter->queues[i].irqs.ev_count = 0;
-		adapter->queues[i].handleq.ev_count = 0;
-		adapter->queues[i].req.ev_count = 0;
-		txr->tso_tx.ev_count = 0;
-		txr->no_desc_avail.ev_count = 0;
-		txr->total_packets.ev_count = 0;
+		IXGBE_EVC_STORE(&adapter->queues[i].irqs, 0);
+		IXGBE_EVC_STORE(&adapter->queues[i].handleq, 0);
+		IXGBE_EVC_STORE(&adapter->queues[i].req, 0);
+		IXGBE_EVC_STORE(&txr->tso_tx, 0);
+		IXGBE_EVC_STORE(&txr->no_desc_avail, 0);
+		IXGBE_EVC_STORE(&txr->total_packets, 0);
 #ifndef IXGBE_LEGACY_TX
-		txr->pcq_drops.ev_count = 0;
+		IXGBE_EVC_STORE(&txr->pcq_drops, 0);
 #endif
 		txr->q_efbig_tx_dma_setup = 0;
 		txr->q_mbuf_defrag_failed = 0;
@@ -2811,37 +2811,37 @@ ixv_clear_evcnt(struct adapter *adapter)
 		txr->q_enomem_tx_dma_setup = 0;
 		txr->q_tso_err = 0;
 
-		rxr->rx_packets.ev_count = 0;
-		rxr->rx_bytes.ev_count = 0;
-		rxr->rx_copies.ev_count = 0;
-		rxr->no_mbuf.ev_count = 0;
-		rxr->rx_discarded.ev_count = 0;
+		IXGBE_EVC_STORE(&rxr->rx_packets, 0);
+		IXGBE_EVC_STORE(&rxr->rx_bytes, 0);
+		IXGBE_EVC_STORE(&rxr->rx_copies, 0);
+		IXGBE_EVC_STORE(&rxr->no_mbuf, 0);
+		IXGBE_EVC_STORE(&rxr->rx_discarded, 0);
 	}
 
 	/* MAC stats get their own sub node */
 
-	stats->ipcs.ev_count = 0;
-	stats->l4cs.ev_count = 0;
-	stats->ipcs_bad.ev_count = 0;
-	stats->l4cs_bad.ev_count = 0;
+	IXGBE_EVC_STORE(&stats->ipcs, 0);
+	IXGBE_EVC_STORE(&stats->l4cs, 0);
+	IXGBE_EVC_STORE(&stats->ipcs_bad, 0);
+	IXGBE_EVC_STORE(&stats->l4cs_bad, 0);
 
 	/*
 	 * Packet Reception Stats.
 	 * Call ixv_init_stats() to save last VF counters' values.
 	 */
 	ixv_init_stats(adapter);
-	stats->vfgprc.ev_count = 0;
-	stats->vfgorc.ev_count = 0;
-	stats->vfmprc.ev_count = 0;
-	stats->vfgptc.ev_count = 0;
-	stats->vfgotc.ev_count = 0;
+	IXGBE_EVC_STORE(&stats->vfgprc, 0);
+	IXGBE_EVC_STORE(&stats->vfgorc, 0);
+	IXGBE_EVC_STORE(&stats->vfmprc, 0);
+	IXGBE_EVC_STORE(&stats->vfgptc, 0);
+	IXGBE_EVC_STORE(&stats->vfgotc, 0);
 
 	/* Mailbox Stats */
-	hw->mbx.stats.msgs_tx.ev_count = 0;
-	hw->mbx.stats.msgs_rx.ev_count = 0;
-	hw->mbx.stats.acks.ev_count = 0;
-	hw->mbx.stats.reqs.ev_count = 0;
-	hw->mbx.stats.rsts.ev_count = 0;
+	IXGBE_EVC_STORE(&hw->mbx.stats.msgs_tx, 0);
+	IXGBE_EVC_STORE(&hw->mbx.stats.msgs_rx, 0);
+	IXGBE_EVC_STORE(&hw->mbx.stats.acks, 0);
+	IXGBE_EVC_STORE(&hw->mbx.stats.reqs, 0);
+	IXGBE_EVC_STORE(&hw->mbx.stats.rsts, 0);
 
 } /* ixv_clear_evcnt */
 
@@ -3240,7 +3240,7 @@ ixv_handle_que(void *context)
 	struct ifnet	*ifp = adapter->ifp;
 	bool		more;
 
-	que->handleq.ev_count++;
+	IXGBE_EVC_ADD(&que->handleq, 1);
 
 	if (ifp->if_flags & IFF_RUNNING) {
 		more = ixgbe_rxeof(que);
@@ -3256,7 +3256,7 @@ ixv_handle_que(void *context)
 			ixgbe_legacy_start_locked(ifp, txr);
 		IXGBE_TX_UNLOCK(txr);
 		if (more) {
-			que->req.ev_count++;
+			IXGBE_EVC_ADD(&que->req, 1);
 			if (adapter->txrx_use_workqueue) {
 				/*
 				 * "enqueued flag" is not required here
@@ -3522,7 +3522,7 @@ ixv_handle_admin(struct work *wk, void *
 
 	IXGBE_CORE_LOCK(adapter);
 
-	++adapter->link_workev.ev_count;
+	IXGBE_EVC_ADD(&adapter->link_workev, 1);
 	adapter->hw.mac.ops.check_link(&adapter->hw, &adapter->link_speed,
 	    &adapter->link_up, FALSE);
 	ixv_update_link_status(adapter);

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