diff --git a/sys/dev/iavf/iavf_iflib.h b/sys/dev/iavf/iavf_iflib.h
--- a/sys/dev/iavf/iavf_iflib.h
+++ b/sys/dev/iavf/iavf_iflib.h
@@ -238,7 +238,7 @@
 struct iavf_vsi {
 	if_ctx_t		ctx;
 	if_softc_ctx_t		shared;
-	struct ifnet		*ifp;
+	if_t			ifp;
 	struct iavf_sc		*back;
 	device_t		dev;
 	struct iavf_hw		*hw;
diff --git a/sys/dev/iavf/iavf_lib.h b/sys/dev/iavf/iavf_lib.h
--- a/sys/dev/iavf/iavf_lib.h
+++ b/sys/dev/iavf/iavf_lib.h
@@ -487,8 +487,8 @@
     struct sysctl_oid_list *child, struct iavf_eth_stats *eth_stats);
 void iavf_media_status_common(struct iavf_sc *sc,
     struct ifmediareq *ifmr);
-int iavf_media_change_common(struct ifnet *ifp);
-void iavf_set_initial_baudrate(struct ifnet *ifp);
+int iavf_media_change_common(if_t ifp);
+void iavf_set_initial_baudrate(if_t ifp);
 u64 iavf_max_vc_speed_to_value(u8 link_speeds);
 void iavf_config_rss_reg(struct iavf_sc *sc);
 void iavf_config_rss_pf(struct iavf_sc *sc);
diff --git a/sys/dev/iavf/iavf_lib.c b/sys/dev/iavf/iavf_lib.c
--- a/sys/dev/iavf/iavf_lib.c
+++ b/sys/dev/iavf/iavf_lib.c
@@ -968,7 +968,7 @@
  * @returns ENODEV because changing the media and speed is not supported.
  */
 int
-iavf_media_change_common(struct ifnet *ifp)
+iavf_media_change_common(if_t ifp)
 {
 	if_printf(ifp, "Changing speed is not supported\n");
 
@@ -984,7 +984,7 @@
  * reports speed to us over the virtchnl interface.
  */
 void
-iavf_set_initial_baudrate(struct ifnet *ifp)
+iavf_set_initial_baudrate(if_t ifp)
 {
 #if __FreeBSD_version >= 1100000
 	if_setbaudrate(ifp, IF_Gbps(40));
@@ -1210,7 +1210,7 @@
 int
 iavf_config_promisc(struct iavf_sc *sc, int flags)
 {
-	struct ifnet *ifp = sc->vsi.ifp;
+	if_t ifp = sc->vsi.ifp;
 
 	sc->promisc_flags = 0;
 
diff --git a/sys/dev/iavf/if_iavf_iflib.c b/sys/dev/iavf/if_iavf_iflib.c
--- a/sys/dev/iavf/if_iavf_iflib.c
+++ b/sys/dev/iavf/if_iavf_iflib.c
@@ -761,7 +761,7 @@
 	/* Make sure queues are disabled */
 	iavf_disable_queues_with_retries(sc);
 
-	bcopy(IF_LLADDR(ifp), tmpaddr, ETHER_ADDR_LEN);
+	bcopy(if_getlladdr(ifp), tmpaddr, ETHER_ADDR_LEN);
 	if (!cmp_etheraddr(hw->mac.addr, tmpaddr) &&
 	    (iavf_validate_mac_addr(tmpaddr) == IAVF_SUCCESS)) {
 		error = iavf_del_mac_filter(sc, hw->mac.addr);
@@ -1540,12 +1540,12 @@
 {
 	struct iavf_vsi *vsi = &sc->vsi;
 	if_ctx_t ctx = vsi->ctx;
-	struct ifnet *ifp = iflib_get_ifp(ctx);
+	if_t ifp = iflib_get_ifp(ctx);
 
 	iavf_dbg_init(sc, "begin\n");
 
 	vsi->shared->isc_max_frame_size =
-	    ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN
+	    if_getmtu(ifp) + ETHER_HDR_LEN + ETHER_CRC_LEN
 	    + ETHER_VLAN_ENCAP_LEN;
 
 	iavf_set_initial_baudrate(ifp);