Index: head/sys/dev/ixgbe/if_ix.c
===================================================================
--- head/sys/dev/ixgbe/if_ix.c
+++ head/sys/dev/ixgbe/if_ix.c
@@ -1012,12 +1012,13 @@
 	    CSUM_IP6_TCP | CSUM_IP6_UDP | CSUM_IP6_TSO;
 	if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
 		scctx->isc_tx_nsegments = IXGBE_82598_SCATTER;
-		scctx->isc_msix_bar = PCIR_BAR(MSIX_82598_BAR);
 	} else {
 		scctx->isc_tx_csum_flags |= CSUM_SCTP |CSUM_IP6_SCTP;
 		scctx->isc_tx_nsegments = IXGBE_82599_SCATTER;
-		scctx->isc_msix_bar = PCIR_BAR(MSIX_82599_BAR);
 	}
+
+	scctx->isc_msix_bar = pci_msix_table_bar(dev);
+
 	scctx->isc_tx_tso_segments_max = scctx->isc_tx_nsegments;
 	scctx->isc_tx_tso_size_max = IXGBE_TSO_SIZE;
 	scctx->isc_tx_tso_segsize_max = PAGE_SIZE;
Index: head/sys/dev/ixgbe/if_ixv.c
===================================================================
--- head/sys/dev/ixgbe/if_ixv.c
+++ head/sys/dev/ixgbe/if_ixv.c
@@ -494,7 +494,7 @@
 	scctx->isc_tx_csum_flags = CSUM_IP | CSUM_TCP | CSUM_UDP | CSUM_TSO |
 	    CSUM_IP6_TCP | CSUM_IP6_UDP | CSUM_IP6_TSO;
 	scctx->isc_tx_nsegments = IXGBE_82599_SCATTER;
-	scctx->isc_msix_bar = PCIR_BAR(MSIX_82598_BAR);
+	scctx->isc_msix_bar = pci_msix_table_bar(dev);
 	scctx->isc_tx_tso_segments_max = scctx->isc_tx_nsegments;
 	scctx->isc_tx_tso_size_max = IXGBE_TSO_SIZE;
 	scctx->isc_tx_tso_segsize_max = PAGE_SIZE;
Index: head/sys/dev/ixgbe/ixgbe.h
===================================================================
--- head/sys/dev/ixgbe/ixgbe.h
+++ head/sys/dev/ixgbe/ixgbe.h
@@ -189,8 +189,6 @@
 #define MAX_NUM_MULTICAST_ADDRESSES     128
 #define IXGBE_82598_SCATTER             100
 #define IXGBE_82599_SCATTER             32
-#define MSIX_82598_BAR                  3
-#define MSIX_82599_BAR                  4
 #define IXGBE_TSO_SIZE                  262140
 #define IXGBE_RX_HDR                    128
 #define IXGBE_VFTA_SIZE                 128