Index: if_msk.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/if_msk.c,v
retrieving revision 1.133
diff -u -p -r1.133 if_msk.c
--- if_msk.c	26 Aug 2019 11:05:54 -0000	1.133
+++ if_msk.c	26 Aug 2019 11:25:31 -0000
@@ -1769,7 +1769,7 @@ msk_intr(void *xsc)
 					MBUF_LIST_INITIALIZER(),
 				};
 	struct ifnet		*ifp0 = NULL, *ifp1 = NULL;
-	int			claimed = 0;
+	int			claimed = 0, txeof = 1;
 	u_int32_t		status;
 	struct msk_status_desc	*cur_st;
 
@@ -1798,11 +1798,15 @@ msk_intr(void *xsc)
 		msk_intr_yukon(sc_if1);
 	}
 
-	MSK_CDSTSYNC(sc, sc->sk_status_idx,
+	bus_dmamap_sync(sc->sc_dmatag, sc->sk_status_map,
+	    0, MSK_STATUS_RING_CNT * sizeof(struct msk_status_desc),
 	    BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
+
 	cur_st = &sc->sk_status_ring[sc->sk_status_idx];
 
 	while (cur_st->sk_opcode & SK_Y2_STOPC_OWN) {
+		claimed = 1;
+
 		cur_st->sk_opcode &= ~SK_Y2_STOPC_OWN;
 		switch (cur_st->sk_opcode) {
 		case SK_Y2_STOPC_RXSTAT:
@@ -1812,10 +1816,7 @@ msk_intr(void *xsc)
 			    lemtoh32(&cur_st->sk_status));
 			break;
 		case SK_Y2_STOPC_TXSTAT:
-			if (sc_if0)
-				msk_txeof(sc_if0);
-			if (sc_if1)
-				msk_txeof(sc_if1);
+			txeof = 1;
 			break;
 		default:
 			printf("opcode=0x%x\n", cur_st->sk_opcode);
@@ -1823,9 +1824,18 @@ msk_intr(void *xsc)
 		}
 		SK_INC(sc->sk_status_idx, MSK_STATUS_RING_CNT);
 
-		MSK_CDSTSYNC(sc, sc->sk_status_idx,
-		    BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
 		cur_st = &sc->sk_status_ring[sc->sk_status_idx];
+	}
+
+	bus_dmamap_sync(sc->sc_dmatag, sc->sk_status_map,
+	    0, MSK_STATUS_RING_CNT * sizeof(struct msk_status_desc),
+	    BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
+
+	if (txeof) {
+		if (sc_if0)
+			msk_txeof(sc_if0);
+		if (sc_if1)
+			msk_txeof(sc_if1);
 	}
 
 	if (status & SK_Y2_IMR_BMU) {