diff --git a/sys/dev/mlx4/mlx4_en/en.h b/sys/dev/mlx4/mlx4_en/en.h
--- a/sys/dev/mlx4/mlx4_en/en.h
+++ b/sys/dev/mlx4/mlx4_en/en.h
@@ -392,7 +392,7 @@
 	struct mlx4_hwq_resources wqres;
 	int                     ring;
 	spinlock_t              lock;
-	struct ifnet      *dev;
+	if_t			dev;
         /* Per-core Tx cq processing support */
         struct timer_list timer;
 	int size;
@@ -452,7 +452,7 @@
 	struct mlx4_dev		*dev;
 	struct pci_dev		*pdev;
 	struct mutex		state_lock;
-	struct ifnet		*pndev[MLX4_MAX_PORTS + 1];
+	if_t			pndev[MLX4_MAX_PORTS + 1];
 	u32			port_cnt;
 	bool			device_up;
 	struct mlx4_en_profile	profile;
@@ -543,7 +543,7 @@
 struct mlx4_en_priv {
 	struct mlx4_en_dev *mdev;
 	struct mlx4_en_port_profile *prof;
-	struct ifnet *dev;
+	if_t dev;
 	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
 	struct mlx4_en_port_state port_state;
 	spinlock_t stats_lock;
@@ -662,9 +662,9 @@
 };
 
 static inline void *
-mlx4_netdev_priv(const struct ifnet *dev)
+mlx4_netdev_priv(const if_t dev)
 {
-	return (dev->if_softc);
+	return (if_getsoftc(dev));
 }
 
 static inline struct mlx4_cqe *mlx4_en_get_cqe(u8 *buf, int idx, int cqe_sz)
@@ -716,7 +716,7 @@
 	int rc = true;
 	spin_lock_bh(&cq->poll_lock);
 	if ((cq->state & MLX4_CQ_LOCKED)) {
-		struct ifnet *dev = cq->dev;
+		if_t dev = cq->dev;
 		struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 		struct mlx4_en_rx_ring *rx_ring = priv->rx_ring[cq->ring];
 
@@ -785,12 +785,12 @@
 
 #define MLX4_EN_WOL_DO_MODIFY (1ULL << 63)
 
-void mlx4_en_destroy_netdev(struct ifnet *dev);
+void mlx4_en_destroy_netdev(if_t dev);
 int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 			struct mlx4_en_port_profile *prof);
 
-int mlx4_en_start_port(struct ifnet *dev);
-void mlx4_en_stop_port(struct ifnet *dev);
+int mlx4_en_start_port(if_t dev);
+void mlx4_en_stop_port(if_t dev);
 
 void mlx4_en_free_resources(struct mlx4_en_priv *priv);
 int mlx4_en_alloc_resources(struct mlx4_en_priv *priv);
@@ -806,10 +806,10 @@
 int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
 
 void mlx4_en_tx_irq(struct mlx4_cq *mcq);
-u16 mlx4_en_select_queue(struct ifnet *dev, struct mbuf *mb);
+u16 mlx4_en_select_queue(if_t dev, struct mbuf *mb);
 
 int mlx4_en_xmit(struct mlx4_en_priv *priv, int tx_ind, struct mbuf **mbp);
-int mlx4_en_transmit(struct ifnet *dev, struct mbuf *m);
+int mlx4_en_transmit(if_t dev, struct mbuf *m);
 int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
 			   struct mlx4_en_tx_ring **pring,
 			   u32 size, u16 stride, int node, int queue_idx);
@@ -821,7 +821,7 @@
 void mlx4_en_deactivate_tx_ring(struct mlx4_en_priv *priv,
 				struct mlx4_en_tx_ring *ring);
 void mlx4_en_set_num_rx_rings(struct mlx4_en_dev *mdev);
-void mlx4_en_qflush(struct ifnet *dev);
+void mlx4_en_qflush(if_t dev);
 
 int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv,
 			   struct mlx4_en_rx_ring **pring,
@@ -833,7 +833,7 @@
 int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv);
 void mlx4_en_deactivate_rx_ring(struct mlx4_en_priv *priv,
 				struct mlx4_en_rx_ring *ring);
-int mlx4_en_process_rx_cq(struct ifnet *dev,
+int mlx4_en_process_rx_cq(if_t dev,
 			  struct mlx4_en_cq *cq,
 			  int budget);
 void mlx4_en_poll_tx_cq(unsigned long data);
@@ -843,7 +843,7 @@
 void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event);
 int mlx4_en_map_buffer(struct mlx4_buf *buf);
 void mlx4_en_unmap_buffer(struct mlx4_buf *buf);
-void mlx4_en_calc_rx_buf(struct ifnet *dev);
+void mlx4_en_calc_rx_buf(if_t dev);
 
 const u32 *mlx4_en_get_rss_key(struct mlx4_en_priv *priv, u16 *keylen);
 u8 mlx4_en_get_rss_mask(struct mlx4_en_priv *priv);
@@ -851,7 +851,7 @@
 void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv);
 int mlx4_en_create_drop_qp(struct mlx4_en_priv *priv);
 void mlx4_en_destroy_drop_qp(struct mlx4_en_priv *priv);
-int mlx4_en_free_tx_buf(struct ifnet *dev, struct mlx4_en_tx_ring *ring);
+int mlx4_en_free_tx_buf(if_t dev, struct mlx4_en_tx_ring *ring);
 void mlx4_en_rx_irq(struct mlx4_cq *mcq);
 
 int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, struct mlx4_en_priv *priv);
@@ -869,7 +869,7 @@
 extern const struct dcbnl_rtnl_ops mlx4_en_dcbnl_pfc_ops;
 #endif
 
-int mlx4_en_setup_tc(struct ifnet *dev, u8 up);
+int mlx4_en_setup_tc(if_t dev, u8 up);
 
 #ifdef CONFIG_RFS_ACCEL
 void mlx4_en_cleanup_filters(struct mlx4_en_priv *priv,
@@ -877,7 +877,7 @@
 #endif
 
 #define MLX4_EN_NUM_SELF_TEST	5
-void mlx4_en_ex_selftest(struct ifnet *dev, u32 *flags, u64 *buf);
+void mlx4_en_ex_selftest(if_t dev, u32 *flags, u64 *buf);
 void mlx4_en_ptp_overflow_check(struct mlx4_en_dev *mdev);
 
 /*
@@ -889,7 +889,7 @@
 u64 mlx4_en_get_cqe_ts(struct mlx4_cqe *cqe);
 
 /* Functions for caching and restoring statistics */
-int mlx4_en_get_sset_count(struct ifnet *dev, int sset);
+int mlx4_en_get_sset_count(if_t dev, int sset);
 void mlx4_en_restore_ethtool_stats(struct mlx4_en_priv *priv,
 				    u64 *data);
 
@@ -932,7 +932,7 @@
         {                                                       \
         if ((priv)->registered)                                 \
                 printk(level "%s: %s: " format, DRV_NAME,       \
-                        (priv)->dev->if_xname, ## arg); \
+                        if_name((priv)->dev), ## arg); \
         else                                                    \
                 printk(level "%s: %s: Port %d: " format,        \
                         DRV_NAME, dev_name(&(priv)->mdev->pdev->dev), \
diff --git a/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c b/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c
--- a/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c
+++ b/sys/dev/mlx4/mlx4_en/mlx4_en_netdev.c
@@ -64,7 +64,7 @@
 static int mlx4_en_low_latency_recv(struct napi_struct *napi)
 {
 	struct mlx4_en_cq *cq = container_of(napi, struct mlx4_en_cq, napi);
-	struct ifnet *dev = cq->dev;
+	if_t dev = cq->dev;
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	struct mlx4_en_rx_ring *rx_ring = priv->rx_ring[cq->ring];
 	int done;
@@ -288,7 +288,7 @@
 }
 
 static int
-mlx4_en_filter_rfs(struct ifnet *net_dev, const struct sk_buff *skb,
+mlx4_en_filter_rfs(if_t net_dev, const struct sk_buff *skb,
 		   u16 rxq_index, u32 flow_id)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(net_dev);
@@ -400,7 +400,7 @@
 }
 #endif
 
-static void mlx4_en_vlan_rx_add_vid(void *arg, struct ifnet *dev, u16 vid)
+static void mlx4_en_vlan_rx_add_vid(void *arg, if_t dev, u16 vid)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	struct mlx4_en_dev *mdev = priv->mdev;
@@ -427,7 +427,7 @@
 
 }
 
-static void mlx4_en_vlan_rx_kill_vid(void *arg, struct ifnet *dev, u16 vid)
+static void mlx4_en_vlan_rx_kill_vid(void *arg, if_t dev, u16 vid)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	struct mlx4_en_dev *mdev = priv->mdev;
@@ -558,15 +558,15 @@
 	int index = 0;
 	int err = 0;
 	int *qpn = &priv->base_qpn;
-	u64 mac = mlx4_mac_to_u64(IF_LLADDR(priv->dev));
+	u64 mac = mlx4_mac_to_u64(if_getlladdr(priv->dev));
 
 	en_dbg(DRV, priv, "Registering MAC: %pM for adding\n",
-	       IF_LLADDR(priv->dev));
+	       if_getlladdr(priv->dev));
 	index = mlx4_register_mac(dev, priv->port, mac);
 	if (index < 0) {
 		err = index;
 		en_err(priv, "Failed adding MAC: %pM\n",
-		       IF_LLADDR(priv->dev));
+		       if_getlladdr(priv->dev));
 		return err;
 	}
 
@@ -594,9 +594,9 @@
 	int qpn = priv->base_qpn;
 
 	if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) {
-		u64 mac = mlx4_mac_to_u64(IF_LLADDR(priv->dev));
+		u64 mac = mlx4_mac_to_u64(if_getlladdr(priv->dev));
 		en_dbg(DRV, priv, "Registering MAC: %pM for deleting\n",
-		       IF_LLADDR(priv->dev));
+		       if_getlladdr(priv->dev));
 		mlx4_unregister_mac(dev, priv->port, mac);
 	} else {
 		en_dbg(DRV, priv, "Releasing qp: port %d, qpn %d\n",
@@ -606,7 +606,7 @@
 	}
 }
 
-static void mlx4_en_clear_uclist(struct ifnet *dev)
+static void mlx4_en_clear_uclist(if_t dev)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	struct mlx4_en_addr_list *tmp, *uc_to_del;
@@ -635,7 +635,7 @@
 	return (1);
 }
 
-static void mlx4_en_cache_uclist(struct ifnet *dev)
+static void mlx4_en_cache_uclist(if_t dev)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 
@@ -643,7 +643,7 @@
 	if_foreach_lladdr(dev, mlx4_copy_addr, priv);
 }
 
-static void mlx4_en_clear_mclist(struct ifnet *dev)
+static void mlx4_en_clear_mclist(if_t dev)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	struct mlx4_en_addr_list *tmp, *mc_to_del;
@@ -671,7 +671,7 @@
 	return (1);
 }
 
-static void mlx4_en_cache_mclist(struct ifnet *dev)
+static void mlx4_en_cache_mclist(if_t dev)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 
@@ -728,7 +728,7 @@
 	}
 }
 
-static void mlx4_en_set_rx_mode(struct ifnet *dev)
+static void mlx4_en_set_rx_mode(if_t dev)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 
@@ -842,7 +842,7 @@
 }
 
 static void mlx4_en_do_multicast(struct mlx4_en_priv *priv,
-				 struct ifnet *dev,
+				 if_t dev,
 				 struct mlx4_en_dev *mdev)
 {
 	struct mlx4_en_addr_list *addr_list, *tmp;
@@ -854,7 +854,7 @@
 	 * Enable/disable the multicast filter according to
 	 * IFF_ALLMULTI and IFF_PROMISC:
 	 */
-	if (dev->if_flags & (IFF_ALLMULTI | IFF_PROMISC)) {
+	if (if_getflags(dev) & (IFF_ALLMULTI | IFF_PROMISC)) {
 		err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
 					  0, MLX4_MCAST_DISABLE);
 		if (err)
@@ -977,7 +977,7 @@
 }
 
 static void mlx4_en_do_unicast(struct mlx4_en_priv *priv,
-			       struct ifnet *dev,
+			       if_t dev,
 			       struct mlx4_en_dev *mdev)
 {
 	struct mlx4_en_addr_list *addr_list, *tmp;
@@ -1011,7 +1011,7 @@
 	struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
 						 rx_mode_task);
 	struct mlx4_en_dev *mdev = priv->mdev;
-	struct ifnet *dev = priv->dev;
+	if_t dev = priv->dev;
 
 	mutex_lock(&mdev->state_lock);
 	if (!mdev->device_up) {
@@ -1026,8 +1026,8 @@
 		if (priv->port_state.link_state) {
 			priv->last_link_state = MLX4_DEV_EVENT_PORT_UP;
 			/* update netif baudrate */
-			priv->dev->if_baudrate =
-			    IF_Mbps(priv->port_state.link_speed);
+			if_setbaudrate(priv->dev,
+			    IF_Mbps(priv->port_state.link_speed));
 			/* Important note: the following call for if_link_state_change
 			 * is needed for interface up scenario (start port, link state
 			 * change) */
@@ -1040,7 +1040,7 @@
 	mlx4_en_do_unicast(priv, dev, mdev);
 
 	/* Promsicuous mode: disable all filters */
-	if ((dev->if_flags & IFF_PROMISC) ||
+	if ((if_getflags(dev) & IFF_PROMISC) ||
 	    (priv->flags & MLX4_EN_FLAG_FORCE_PROMISC)) {
 		mlx4_en_set_promisc_mode(priv, mdev);
 	} else if (priv->flags & MLX4_EN_FLAG_PROMISC) {
@@ -1085,7 +1085,7 @@
 	priv->tx_usecs = MLX4_EN_TX_COAL_TIME;
 	en_dbg(INTR, priv, "Default coalesing params for mtu: %u - "
 	       "rx_frames:%d rx_usecs:%d\n",
-	       (unsigned)priv->dev->if_mtu, priv->rx_frames, priv->rx_usecs);
+	       (unsigned)if_getmtu(priv->dev), priv->rx_frames, priv->rx_usecs);
 
 	/* Setup cq moderation params */
 	for (i = 0; i < priv->rx_ring_num; i++) {
@@ -1236,7 +1236,7 @@
 			en_info(priv, "Link Down\n");
 			if_link_state_change(priv->dev, LINK_STATE_DOWN);
 			/* update netif baudrate */
-			priv->dev->if_baudrate = 0;
+			if_setbaudrate(priv->dev, 0);
 
 		/* make sure the port is up before notifying the OS.
 		 * This is tricky since we get here on INIT_PORT and
@@ -1247,8 +1247,8 @@
 		} else if (priv->port_up && (linkstate == MLX4_DEV_EVENT_PORT_UP)){
 			if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
 				en_info(priv, "Query port failed\n");
-			priv->dev->if_baudrate =
-			    IF_Mbps(priv->port_state.link_speed);
+			if_setbaudrate(priv->dev,
+			    IF_Mbps(priv->port_state.link_speed));
 			en_info(priv, "Link Up\n");
 			if_link_state_change(priv->dev, LINK_STATE_UP);
 		}
@@ -1258,7 +1258,7 @@
 }
 
 
-int mlx4_en_start_port(struct ifnet *dev)
+int mlx4_en_start_port(if_t dev)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	struct mlx4_en_dev *mdev = priv->mdev;
@@ -1284,7 +1284,7 @@
 	INIT_LIST_HEAD(&priv->ethtool_list);
 
 	/* Calculate Rx buf size */
-	dev->if_mtu = min(dev->if_mtu, priv->max_mtu);
+	if_setmtu(dev, min(if_getmtu(dev), priv->max_mtu));
         mlx4_en_calc_rx_buf(dev);
 	en_dbg(DRV, priv, "Rx buf size:%d\n", priv->rx_mb_size);
 
@@ -1420,8 +1420,7 @@
 	priv->port_up = true;
 
         /* Enable the queues. */
-        dev->if_drv_flags &= ~IFF_DRV_OACTIVE;
-        dev->if_drv_flags |= IFF_DRV_RUNNING;
+        if_setdrvflagbits(dev, IFF_DRV_RUNNING, IFF_DRV_OACTIVE);
 #ifdef CONFIG_DEBUG_FS
 	mlx4_en_create_debug_files(priv);
 #endif
@@ -1451,7 +1450,7 @@
 }
 
 
-void mlx4_en_stop_port(struct ifnet *dev)
+void mlx4_en_stop_port(if_t dev)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	struct mlx4_en_dev *mdev = priv->mdev;
@@ -1560,7 +1559,7 @@
 
         callout_stop(&priv->watchdog_timer);
 
-        dev->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
+        if_setdrvflagbits(dev, 0, IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
 }
 
 static void mlx4_en_restart(struct work_struct *work)
@@ -1568,7 +1567,7 @@
 	struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
 						 watchdog_task);
 	struct mlx4_en_dev *mdev = priv->mdev;
-	struct ifnet *dev = priv->dev;
+	if_t dev = priv->dev;
 	struct mlx4_en_tx_ring *ring;
 	int i;
 
@@ -1601,7 +1600,7 @@
 	mutex_unlock(&mdev->state_lock);
 }
 
-static void mlx4_en_clear_stats(struct ifnet *dev)
+static void mlx4_en_clear_stats(if_t dev)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	struct mlx4_en_dev *mdev = priv->mdev;
@@ -1635,7 +1634,7 @@
 
         struct mlx4_en_priv *priv;
         struct mlx4_en_dev *mdev;
-        struct ifnet *dev;
+        if_t dev;
         int err = 0;
 
         priv = arg;
@@ -1760,7 +1759,7 @@
 #define EN_PORT_ATTR(_name, _mode, _show, _store) \
 struct en_port_attribute en_port_attr_##_name = __ATTR(_name, _mode, _show, _store)
 
-void mlx4_en_destroy_netdev(struct ifnet *dev)
+void mlx4_en_destroy_netdev(if_t dev)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	struct mlx4_en_dev *mdev = priv->mdev;
@@ -1815,14 +1814,14 @@
 
 }
 
-static int mlx4_en_change_mtu(struct ifnet *dev, int new_mtu)
+static int mlx4_en_change_mtu(if_t dev, int new_mtu)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	struct mlx4_en_dev *mdev = priv->mdev;
 	int err = 0;
 
 	en_dbg(DRV, priv, "Change MTU called - current:%u new:%u\n",
-	       (unsigned)dev->if_mtu, (unsigned)new_mtu);
+	       (unsigned)if_getmtu(dev), (unsigned)new_mtu);
 
 	if ((new_mtu < MLX4_EN_MIN_MTU) || (new_mtu > priv->max_mtu)) {
 		en_err(priv, "Bad MTU size:%d, max %u.\n", new_mtu,
@@ -1830,8 +1829,8 @@
 		return -EPERM;
 	}
 	mutex_lock(&mdev->state_lock);
-	dev->if_mtu = new_mtu;
-	if (dev->if_drv_flags & IFF_DRV_RUNNING) {
+	if_setmtu(dev, new_mtu);
+	if (if_getdrvflags(dev) & IFF_DRV_RUNNING) {
 		if (!mdev->device_up) {
 			/* NIC is probably restarting - let watchdog task reset
 			 *                          * the port */
@@ -1886,11 +1885,11 @@
 	return (active);
 }
 
-static void mlx4_en_media_status(struct ifnet *dev, struct ifmediareq *ifmr)
+static void mlx4_en_media_status(if_t dev, struct ifmediareq *ifmr)
 {
 	struct mlx4_en_priv *priv;
 
-	priv = dev->if_softc;
+	priv = if_getsoftc(dev);
 	ifmr->ifm_status = IFM_AVALID;
 	if (priv->last_link_state != MLX4_DEV_EVENT_PORT_DOWN)
 		ifmr->ifm_status |= IFM_ACTIVE;
@@ -1899,7 +1898,7 @@
 	return;
 }
 
-static int mlx4_en_media_change(struct ifnet *dev)
+static int mlx4_en_media_change(if_t dev)
 {
 	struct mlx4_en_priv *priv;
         struct ifmedia *ifm;
@@ -1907,7 +1906,7 @@
 	int txpause;
 	int error;
 
-	priv = dev->if_softc;
+	priv = if_getsoftc(dev);
 	ifm = &priv->media;
 	rxpause = txpause = 0;
 	error = 0;
@@ -1946,7 +1945,7 @@
 	return (error);
 }
 
-static int mlx4_en_ioctl(struct ifnet *dev, u_long command, caddr_t data)
+static int mlx4_en_ioctl(if_t dev, u_long command, caddr_t data)
 {
 	struct mlx4_en_priv *priv;
 	struct mlx4_en_dev *mdev;
@@ -1960,7 +1959,7 @@
 
 	error = 0;
 	mask = 0;
-	priv = dev->if_softc;
+	priv = if_getsoftc(dev);
 
 	/* check if detaching */
 	if (priv == NULL || priv->gone != 0)
@@ -1974,8 +1973,8 @@
 		error = -mlx4_en_change_mtu(dev, ifr->ifr_mtu);
 		break;
 	case SIOCSIFFLAGS:
-		if (dev->if_flags & IFF_UP) {
-			if ((dev->if_drv_flags & IFF_DRV_RUNNING) == 0) {
+		if (if_getflags(dev) & IFF_UP) {
+			if ((if_getdrvflags(dev) & IFF_DRV_RUNNING) == 0) {
 				mutex_lock(&mdev->state_lock);
 				mlx4_en_start_port(dev);
 				mutex_unlock(&mdev->state_lock);
@@ -1984,7 +1983,7 @@
 			}
 		} else {
 			mutex_lock(&mdev->state_lock);
-			if (dev->if_drv_flags & IFF_DRV_RUNNING) {
+			if (if_getdrvflags(dev) & IFF_DRV_RUNNING) {
 				mlx4_en_stop_port(dev);
 				if_link_state_change(dev, LINK_STATE_DOWN);
 			}
@@ -2001,67 +2000,67 @@
 		break;
 	case SIOCSIFCAP:
 		mutex_lock(&mdev->state_lock);
-		mask = ifr->ifr_reqcap ^ dev->if_capenable;
+		mask = ifr->ifr_reqcap ^ if_getcapenable(dev);
 		if (mask & IFCAP_TXCSUM) {
-			dev->if_capenable ^= IFCAP_TXCSUM;
-			dev->if_hwassist ^= (CSUM_TCP | CSUM_UDP | CSUM_IP);
+			if_togglecapenable(dev, IFCAP_TXCSUM);
+			if_togglehwassist(dev, CSUM_TCP | CSUM_UDP | CSUM_IP);
 
-			if (IFCAP_TSO4 & dev->if_capenable &&
-			    !(IFCAP_TXCSUM & dev->if_capenable)) {
+			if (IFCAP_TSO4 & if_getcapenable(dev) &&
+			    !(IFCAP_TXCSUM & if_getcapenable(dev))) {
 				mask &= ~IFCAP_TSO4;
-				dev->if_capenable &= ~IFCAP_TSO4;
-				dev->if_hwassist &= ~CSUM_IP_TSO;
+				if_setcapenablebit(dev, 0, IFCAP_TSO4);
+				if_sethwassistbits(dev, 0, CSUM_IP_TSO);
 				if_printf(dev,
 				    "tso4 disabled due to -txcsum.\n");
 			}
 		}
 		if (mask & IFCAP_TXCSUM_IPV6) {
-			dev->if_capenable ^= IFCAP_TXCSUM_IPV6;
-			dev->if_hwassist ^= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6);
+			if_togglecapenable(dev, IFCAP_TXCSUM_IPV6);
+			if_togglehwassist(dev, (CSUM_UDP_IPV6 | CSUM_TCP_IPV6));
 
-			if (IFCAP_TSO6 & dev->if_capenable &&
-			    !(IFCAP_TXCSUM_IPV6 & dev->if_capenable)) {
+			if (IFCAP_TSO6 & if_getcapenable(dev) &&
+			    !(IFCAP_TXCSUM_IPV6 & if_getcapenable(dev))) {
 				mask &= ~IFCAP_TSO6;
-				dev->if_capenable &= ~IFCAP_TSO6;
-				dev->if_hwassist &= ~CSUM_IP6_TSO;
+				if_setcapenablebit(dev, 0, IFCAP_TSO6);
+				if_sethwassistbits(dev, 0, CSUM_IP6_TSO);
 				if_printf(dev,
 				    "tso6 disabled due to -txcsum6.\n");
 			}
 		}
 		if (mask & IFCAP_RXCSUM)
-			dev->if_capenable ^= IFCAP_RXCSUM;
+			if_togglecapenable(dev, IFCAP_RXCSUM);
 		if (mask & IFCAP_RXCSUM_IPV6)
-			dev->if_capenable ^= IFCAP_RXCSUM_IPV6;
+			if_togglecapenable(dev, IFCAP_RXCSUM_IPV6);
 
 		if (mask & IFCAP_TSO4) {
-			if (!(IFCAP_TSO4 & dev->if_capenable) &&
-			    !(IFCAP_TXCSUM & dev->if_capenable)) {
+			if (!(IFCAP_TSO4 & if_getcapenable(dev)) &&
+			    !(IFCAP_TXCSUM & if_getcapenable(dev))) {
 				if_printf(dev, "enable txcsum first.\n");
 				error = EAGAIN;
 				goto out;
 			}
-			dev->if_capenable ^= IFCAP_TSO4;
-			dev->if_hwassist ^= CSUM_IP_TSO;
+			if_togglecapenable(dev, IFCAP_TSO4);
+			if_togglehwassist(dev, CSUM_IP_TSO);
 		}
 		if (mask & IFCAP_TSO6) {
-			if (!(IFCAP_TSO6 & dev->if_capenable) &&
-			    !(IFCAP_TXCSUM_IPV6 & dev->if_capenable)) {
+			if (!(IFCAP_TSO6 & if_getcapenable(dev)) &&
+			    !(IFCAP_TXCSUM_IPV6 & if_getcapenable(dev))) {
 				if_printf(dev, "enable txcsum6 first.\n");
 				error = EAGAIN;
 				goto out;
 			}
-			dev->if_capenable ^= IFCAP_TSO6;
-			dev->if_hwassist ^= CSUM_IP6_TSO;
+			if_togglecapenable(dev, IFCAP_TSO6);
+			if_togglehwassist(dev, CSUM_IP6_TSO);
 		}
 		if (mask & IFCAP_LRO)
-			dev->if_capenable ^= IFCAP_LRO;
+			if_togglecapenable(dev, IFCAP_LRO);
 		if (mask & IFCAP_VLAN_HWTAGGING)
-			dev->if_capenable ^= IFCAP_VLAN_HWTAGGING;
+			if_togglecapenable(dev, IFCAP_VLAN_HWTAGGING);
 		if (mask & IFCAP_VLAN_HWFILTER)
-			dev->if_capenable ^= IFCAP_VLAN_HWFILTER;
+			if_togglecapenable(dev, IFCAP_VLAN_HWFILTER);
 		if (mask & IFCAP_WOL_MAGIC)
-			dev->if_capenable ^= IFCAP_WOL_MAGIC;
-		if (dev->if_drv_flags & IFF_DRV_RUNNING)
+			if_togglecapenable(dev, IFCAP_WOL_MAGIC);
+		if (if_getdrvflags(dev) & IFF_DRV_RUNNING)
 			mlx4_en_start_port(dev);
 out:
 		mutex_unlock(&mdev->state_lock);
@@ -2135,8 +2134,9 @@
 int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 			struct mlx4_en_port_profile *prof)
 {
-	struct ifnet *dev;
+	if_t dev;
 	struct mlx4_en_priv *priv;
+	uint32_t hwassist;
 	uint8_t dev_addr[ETHER_ADDR_LEN];
 	int err;
 	int i;
@@ -2148,16 +2148,16 @@
 		kfree(priv);
 		return -ENOMEM;
 	}
-	dev->if_softc = priv;
+	if_setsoftc(dev, priv);
 	if_initname(dev, "mlxen", (device_get_unit(
 	    mdev->pdev->dev.bsddev) * MLX4_MAX_PORTS) + port - 1);
-	dev->if_mtu = ETHERMTU;
-	dev->if_init = mlx4_en_open;
-	dev->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
-	dev->if_ioctl = mlx4_en_ioctl;
-	dev->if_transmit = mlx4_en_transmit;
-	dev->if_qflush = mlx4_en_qflush;
-	dev->if_snd.ifq_maxlen = prof->tx_ring_size;
+	if_setmtu(dev, ETHERMTU);
+	if_setinitfn(dev, mlx4_en_open);
+	if_setflags(dev, IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST);
+	if_setioctlfn(dev, mlx4_en_ioctl);
+	if_settransmitfn(dev, mlx4_en_transmit);
+	if_setqflushfn(dev, mlx4_en_qflush);
+	if_setsendqlen(dev, prof->tx_ring_size);
 
 	/*
 	 * Initialize driver private data
@@ -2251,30 +2251,30 @@
 	/*
 	 * Set driver features
 	 */
-	dev->if_capabilities |= IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6;
-	dev->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING;
-	dev->if_capabilities |= IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWFILTER;
-	dev->if_capabilities |= IFCAP_LINKSTATE | IFCAP_JUMBO_MTU;
-	dev->if_capabilities |= IFCAP_LRO;
-	dev->if_capabilities |= IFCAP_HWSTATS;
+	if_setcapabilitiesbit(dev, IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6 |
+	    IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING |
+	    IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWFILTER |
+	    IFCAP_LINKSTATE | IFCAP_JUMBO_MTU |
+	    IFCAP_LRO | IFCAP_HWSTATS, 0);
 
 	if (mdev->LSO_support)
-		dev->if_capabilities |= IFCAP_TSO4 | IFCAP_TSO6 | IFCAP_VLAN_HWTSO;
+		if_setcapabilitiesbit(dev, IFCAP_TSO4 | IFCAP_TSO6 | IFCAP_VLAN_HWTSO, 0);
 
 	/* set TSO limits so that we don't have to drop TX packets */
-	dev->if_hw_tsomax = MLX4_EN_TX_MAX_PAYLOAD_SIZE - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN) /* hdr */;
-	dev->if_hw_tsomaxsegcount = MLX4_EN_TX_MAX_MBUF_FRAGS - 1 /* hdr */;
-	dev->if_hw_tsomaxsegsize = MLX4_EN_TX_MAX_MBUF_SIZE;
+	if_sethwtsomax(dev, MLX4_EN_TX_MAX_PAYLOAD_SIZE - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN) /* hdr */);
+	if_sethwtsomaxsegcount(dev, MLX4_EN_TX_MAX_MBUF_FRAGS - 1 /* hdr */);
+	if_sethwtsomaxsegsize(dev, MLX4_EN_TX_MAX_MBUF_SIZE);
 
-	dev->if_capenable = dev->if_capabilities;
+	if_setcapenable(dev, if_getcapabilities(dev));
 
-	dev->if_hwassist = 0;
-	if (dev->if_capenable & (IFCAP_TSO4 | IFCAP_TSO6))
-		dev->if_hwassist |= CSUM_TSO;
-	if (dev->if_capenable & IFCAP_TXCSUM)
-		dev->if_hwassist |= (CSUM_TCP | CSUM_UDP | CSUM_IP);
-	if (dev->if_capenable & IFCAP_TXCSUM_IPV6)
-		dev->if_hwassist |= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6);
+	hwassist = 0;
+	if (if_getcapenable(dev) & (IFCAP_TSO4 | IFCAP_TSO6))
+		hwassist |= CSUM_TSO;
+	if (if_getcapenable(dev) & IFCAP_TXCSUM)
+		hwassist |= (CSUM_TCP | CSUM_UDP | CSUM_IP);
+	if (if_getcapenable(dev) & IFCAP_TXCSUM_IPV6)
+		hwassist |= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6);
+	if_sethwassist(dev, hwassist);
 
 
         /* Register for VLAN events */
@@ -2315,7 +2315,7 @@
         en_warn(priv, "Using %d RX rings\n", prof->rx_ring_num);
 
 
-	priv->rx_mb_size = dev->if_mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN;
+	priv->rx_mb_size = if_getmtu(dev) + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN;
 	err = mlx4_SET_PORT_general(mdev->dev, priv->port,
 				    priv->rx_mb_size,
 				    prof->tx_pause, prof->tx_ppp,
@@ -2346,7 +2346,7 @@
 	return err;
 }
 
-static int mlx4_en_set_ring_size(struct ifnet *dev,
+static int mlx4_en_set_ring_size(if_t dev,
     int rx_size, int tx_size)
 {
         struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
@@ -2420,7 +2420,7 @@
         return (error);
 }
 
-static int mlx4_en_get_module_info(struct ifnet *dev,
+static int mlx4_en_get_module_info(if_t dev,
 				   struct ethtool_modinfo *modinfo)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
@@ -2467,7 +2467,7 @@
 	return 0;
 }
 
-static int mlx4_en_get_module_eeprom(struct ifnet *dev,
+static int mlx4_en_get_module_eeprom(if_t dev,
 				     struct ethtool_eeprom *ee,
 				     u8 *data)
 {
@@ -2651,7 +2651,7 @@
 
 static void mlx4_en_sysctl_conf(struct mlx4_en_priv *priv)
 {
-        struct ifnet *dev;
+        if_t dev;
         struct sysctl_ctx_list *ctx;
         struct sysctl_oid *node;
         struct sysctl_oid_list *node_list;
@@ -2664,7 +2664,7 @@
 
         sysctl_ctx_init(ctx);
         priv->conf_sysctl = SYSCTL_ADD_NODE(ctx, SYSCTL_STATIC_CHILDREN(_hw),
-            OID_AUTO, dev->if_xname, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
+            OID_AUTO, if_name(dev), CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
 	    "mlx4 10gig ethernet");
         node = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(priv->conf_sysctl), OID_AUTO,
             "conf", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Configuration");
@@ -2892,7 +2892,7 @@
 
 #ifdef DEBUGNET
 static void
-mlx4_en_debugnet_init(struct ifnet *dev, int *nrxr, int *ncl, int *clsize)
+mlx4_en_debugnet_init(if_t dev, int *nrxr, int *ncl, int *clsize)
 {
 	struct mlx4_en_priv *priv;
 
@@ -2905,12 +2905,12 @@
 }
 
 static void
-mlx4_en_debugnet_event(struct ifnet *dev, enum debugnet_ev event)
+mlx4_en_debugnet_event(if_t dev, enum debugnet_ev event)
 {
 }
 
 static int
-mlx4_en_debugnet_transmit(struct ifnet *dev, struct mbuf *m)
+mlx4_en_debugnet_transmit(if_t dev, struct mbuf *m)
 {
 	struct mlx4_en_priv *priv;
 	int err;
@@ -2927,7 +2927,7 @@
 }
 
 static int
-mlx4_en_debugnet_poll(struct ifnet *dev, int count)
+mlx4_en_debugnet_poll(if_t dev, int count)
 {
 	struct mlx4_en_priv *priv;
 
diff --git a/sys/dev/mlx4/mlx4_en/mlx4_en_port.c b/sys/dev/mlx4/mlx4_en/mlx4_en_port.c
--- a/sys/dev/mlx4/mlx4_en/mlx4_en_port.c
+++ b/sys/dev/mlx4/mlx4_en/mlx4_en_port.c
@@ -149,7 +149,7 @@
 	return ret;
 }
 
-static void mlx4_en_fold_software_stats(struct ifnet *dev)
+static void mlx4_en_fold_software_stats(if_t dev)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	struct mlx4_en_dev *mdev = priv->mdev;
@@ -187,7 +187,7 @@
 	struct mlx4_counter tmp_vport_stats;
 	struct mlx4_en_stat_out_mbox *mlx4_en_stats;
 	struct mlx4_en_stat_out_flow_control_mbox *flowstats;
-	struct ifnet *dev = mdev->pndev[port];
+	if_t dev = mdev->pndev[port];
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	struct mlx4_en_vport_stats *vport_stats = &priv->vport_stats;
 	struct mlx4_cmd_mailbox *mailbox;
diff --git a/sys/dev/mlx4/mlx4_en/mlx4_en_resources.c b/sys/dev/mlx4/mlx4_en/mlx4_en_resources.c
--- a/sys/dev/mlx4/mlx4_en/mlx4_en_resources.c
+++ b/sys/dev/mlx4/mlx4_en/mlx4_en_resources.c
@@ -43,7 +43,7 @@
 			     int user_prio, struct mlx4_qp_context *context)
 {
 	struct mlx4_en_dev *mdev = priv->mdev;
-	struct ifnet *dev = priv->dev;
+	if_t dev = priv->dev;
 
 	memset(context, 0, sizeof *context);
 	context->flags = cpu_to_be32(7 << 16 | rss << MLX4_RSS_QPC_FLAG_OFFSET);
@@ -76,7 +76,7 @@
 	context->cqn_send = cpu_to_be32(cqn);
 	context->cqn_recv = cpu_to_be32(cqn);
 	context->db_rec_addr = cpu_to_be64(priv->res.db.dma << 2);
-	if (!(dev->if_capabilities & IFCAP_VLAN_HWCSUM))
+	if (!(if_getcapabilities(dev) & IFCAP_VLAN_HWCSUM))
 		context->param3 |= cpu_to_be32(1 << 30);
 }
 
diff --git a/sys/dev/mlx4/mlx4_en/mlx4_en_rx.c b/sys/dev/mlx4/mlx4_en/mlx4_en_rx.c
--- a/sys/dev/mlx4/mlx4_en/mlx4_en_rx.c
+++ b/sys/dev/mlx4/mlx4_en/mlx4_en_rx.c
@@ -338,14 +338,14 @@
 	}
 }
 
-void mlx4_en_calc_rx_buf(struct ifnet *dev)
+void mlx4_en_calc_rx_buf(if_t dev)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
-	int eff_mtu = dev->if_mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN +
+	int eff_mtu = if_getmtu(dev) + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN +
 	    MLX4_NET_IP_ALIGN;
 
 	if (eff_mtu > MJUM16BYTES) {
-		en_err(priv, "MTU(%u) is too big\n", (unsigned)dev->if_mtu);
+		en_err(priv, "MTU(%u) is too big\n", (unsigned)if_getmtu(dev));
                 eff_mtu = MJUM16BYTES;
         } else if (eff_mtu > MJUM9BYTES) {
                 eff_mtu = MJUM16BYTES;
@@ -502,9 +502,9 @@
 
 #ifdef INET
 		/* Configure lro mngr */
-		if (priv->dev->if_capenable & IFCAP_LRO) {
+		if (if_getcapenable(priv->dev) & IFCAP_LRO) {
 			if (tcp_lro_init(&ring->lro))
-				priv->dev->if_capenable &= ~IFCAP_LRO;
+				if_setcapenablebit(priv->dev, 0, IFCAP_LRO);
 			else
 				ring->lro.ifp = priv->dev;
 		}
@@ -735,7 +735,7 @@
  * The following calc ensures that when factor==1, it means we are aligned to 64B
  * and we get the real cqe data*/
 #define CQE_FACTOR_INDEX(index, factor) (((index) << (factor)) + (factor))
-int mlx4_en_process_rx_cq(struct ifnet *dev, struct mlx4_en_cq *cq, int budget)
+int mlx4_en_process_rx_cq(if_t dev, struct mlx4_en_cq *cq, int budget)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	struct mlx4_cqe *cqe;
@@ -806,7 +806,7 @@
 			mb->m_pkthdr.ether_vtag = be16_to_cpu(cqe->sl_vid);
 			mb->m_flags |= M_VLANTAG;
 		}
-		if (likely(dev->if_capenable &
+		if (likely(if_getcapenable(dev) &
 		    (IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6)) &&
 		    (cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPOK)) &&
 		    (cqe->checksum == cpu_to_be16(0xffff))) {
@@ -823,7 +823,7 @@
 			 */
 #ifdef INET
 			if (mlx4_en_can_lro(cqe->status) &&
-					(dev->if_capenable & IFCAP_LRO)) {
+					(if_getcapenable(dev) & IFCAP_LRO)) {
 				if (ring->lro.lro_cnt != 0 &&
 						tcp_lro_rx(&ring->lro, mb, 0) == 0)
 					goto next;
@@ -838,7 +838,7 @@
 		}
 
 		/* Push it up the stack */
-		dev->if_input(dev, mb);
+		if_input(dev, mb);
 
 next:
 		++cons_index;
@@ -866,7 +866,7 @@
 /* Rx CQ polling - called by NAPI */
 static int mlx4_en_poll_rx_cq(struct mlx4_en_cq *cq, int budget)
 {
-	struct ifnet *dev = cq->dev;
+	if_t dev = cq->dev;
 	struct epoch_tracker et;
 	int done;
 
@@ -912,7 +912,7 @@
         while (mlx4_en_poll_rx_cq(cq, MLX4_EN_RX_BUDGET)
                         == MLX4_EN_RX_BUDGET);
 	NET_EPOCH_EXIT(et);
-        mlx4_en_arm_cq(cq->dev->if_softc, cq);
+        mlx4_en_arm_cq(if_getsoftc(cq->dev), cq);
 }
 
 
diff --git a/sys/dev/mlx4/mlx4_en/mlx4_en_tx.c b/sys/dev/mlx4/mlx4_en/mlx4_en_tx.c
--- a/sys/dev/mlx4/mlx4_en/mlx4_en_tx.c
+++ b/sys/dev/mlx4/mlx4_en/mlx4_en_tx.c
@@ -308,7 +308,7 @@
 	return (tx_info->nr_txbb);
 }
 
-int mlx4_en_free_tx_buf(struct ifnet *dev, struct mlx4_en_tx_ring *ring)
+int mlx4_en_free_tx_buf(if_t dev, struct mlx4_en_tx_ring *ring)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	int cnt = 0;
@@ -344,7 +344,7 @@
 	return (wqs < (HEADROOM + (2 * MLX4_EN_TX_WQE_MAX_WQEBBS)));
 }
 
-static int mlx4_en_process_tx_cq(struct ifnet *dev,
+static int mlx4_en_process_tx_cq(if_t dev,
 				 struct mlx4_en_cq *cq)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
@@ -604,7 +604,7 @@
 }
 SYSINIT(hashrandom_init, SI_SUB_RANDOM, SI_ORDER_ANY, &hashrandom_init, NULL);
 
-u16 mlx4_en_select_queue(struct ifnet *dev, struct mbuf *mb)
+u16 mlx4_en_select_queue(if_t dev, struct mbuf *mb)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	u32 rings_p_up = priv->num_tx_rings_p_up;
@@ -640,7 +640,7 @@
 	volatile struct mlx4_wqe_data_seg *dseg_inline;
 	volatile struct mlx4_en_tx_desc *tx_desc;
 	struct mlx4_en_tx_ring *ring = priv->tx_ring[tx_ind];
-	struct ifnet *ifp = priv->dev;
+	if_t ifp = priv->dev;
 	struct mlx4_en_tx_info *tx_info;
 	struct mbuf *mb = *mbp;
 	struct mbuf *m;
@@ -688,7 +688,7 @@
 	dseg = &tx_desc->data;
 
 	/* send a copy of the frame to the BPF listener, if any */
-	if (ifp != NULL && ifp->if_bpf != NULL)
+	if (ifp != NULL && if_getbpf(ifp) != NULL)
 		ETHER_BPF_MTAP(ifp, mb);
 
 	/* get default flags */
@@ -927,13 +927,13 @@
 }
 
 static int
-mlx4_en_transmit_locked(struct ifnet *ifp, int tx_ind, struct mbuf *mb)
+mlx4_en_transmit_locked(if_t ifp, int tx_ind, struct mbuf *mb)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(ifp);
 	struct mlx4_en_tx_ring *ring = priv->tx_ring[tx_ind];
 	int err = 0;
 
-	if (unlikely((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 ||
+	if (unlikely((if_getdrvflags(ifp) & IFF_DRV_RUNNING) == 0 ||
 	    READ_ONCE(priv->port_up) == 0)) {
 		m_freem(mb);
 		return (ENETDOWN);
@@ -952,7 +952,7 @@
 }
 
 int
-mlx4_en_transmit(struct ifnet *dev, struct mbuf *m)
+mlx4_en_transmit(if_t dev, struct mbuf *m)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 	struct mlx4_en_tx_ring *ring;
@@ -991,7 +991,7 @@
  * Flush ring buffers.
  */
 void
-mlx4_en_qflush(struct ifnet *dev)
+mlx4_en_qflush(if_t dev)
 {
 	struct mlx4_en_priv *priv = mlx4_netdev_priv(dev);
 
diff --git a/sys/dev/mlx4/mlx4_ib/mlx4_ib.h b/sys/dev/mlx4/mlx4_ib/mlx4_ib.h
--- a/sys/dev/mlx4/mlx4_ib/mlx4_ib.h
+++ b/sys/dev/mlx4/mlx4_ib/mlx4_ib.h
@@ -495,7 +495,7 @@
 
 struct mlx4_ib_iboe {
 	spinlock_t		lock;
-	struct ifnet      *netdevs[MLX4_MAX_PORTS];
+	if_t netdevs[MLX4_MAX_PORTS];
 	atomic64_t		mac[MLX4_MAX_PORTS];
 	struct notifier_block 	nb;
 	struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
diff --git a/sys/dev/mlx4/mlx4_ib/mlx4_ib_ah.c b/sys/dev/mlx4/mlx4_ib/mlx4_ib_ah.c
--- a/sys/dev/mlx4/mlx4_ib/mlx4_ib_ah.c
+++ b/sys/dev/mlx4/mlx4_ib/mlx4_ib_ah.c
@@ -98,7 +98,7 @@
 	eth_zero_addr(ah->av.eth.s_mac);
 	if (gid_attr.ndev) {
 		vlan_tag = rdma_vlan_dev_vlan_id(gid_attr.ndev);
-		memcpy(ah->av.eth.s_mac, IF_LLADDR(gid_attr.ndev), ETH_ALEN);
+		memcpy(ah->av.eth.s_mac, if_getlladdr(gid_attr.ndev), ETH_ALEN);
 		if_rele(gid_attr.ndev);
 	}
 	if (vlan_tag < 0x1000)
diff --git a/sys/dev/mlx4/mlx4_ib/mlx4_ib_main.c b/sys/dev/mlx4/mlx4_ib/mlx4_ib_main.c
--- a/sys/dev/mlx4/mlx4_ib/mlx4_ib_main.c
+++ b/sys/dev/mlx4/mlx4_ib/mlx4_ib_main.c
@@ -131,10 +131,10 @@
 	return ib_ports;
 }
 
-static struct ifnet *mlx4_ib_get_netdev(struct ib_device *device, u8 port_num)
+static if_t mlx4_ib_get_netdev(struct ib_device *device, u8 port_num)
 {
 	struct mlx4_ib_dev *ibdev = to_mdev(device);
-	struct ifnet *dev;
+	if_t dev;
 
 	rcu_read_lock();
 	dev = mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port_num);
@@ -142,11 +142,11 @@
 #if 0
 	if (dev) {
 		if (mlx4_is_bonded(ibdev->dev)) {
-			struct ifnet *upper = NULL;
+			if_t upper = NULL;
 
 			upper = netdev_master_upper_dev_get_rcu(dev);
 			if (upper) {
-				struct ifnet *active;
+				if_t active;
 
 				active = bond_option_active_slave_get_rcu(mlx4_netdev_priv(upper));
 				if (active)
@@ -691,7 +691,7 @@
 
 	struct mlx4_ib_dev *mdev = to_mdev(ibdev);
 	struct mlx4_ib_iboe *iboe = &mdev->iboe;
-	struct ifnet *ndev;
+	if_t ndev;
 	enum ib_mtu tmp;
 	struct mlx4_cmd_mailbox *mailbox;
 	int err = 0;
@@ -1252,7 +1252,7 @@
 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
 		   union ib_gid *gid)
 {
-	struct ifnet *ndev;
+	if_t ndev;
 	int ret = 0;
 
 	if (!mqp->port)
@@ -1868,7 +1868,7 @@
 	struct mlx4_ib_dev *mdev = to_mdev(ibqp->device);
 	struct mlx4_dev *dev = mdev->dev;
 	struct mlx4_ib_qp *mqp = to_mqp(ibqp);
-	struct ifnet *ndev;
+	if_t ndev;
 	struct mlx4_ib_gid_entry *ge;
 	struct mlx4_flow_reg_id reg_id = {0, 0};
 	enum mlx4_protocol prot =  MLX4_PROT_IB_IPV6;
@@ -2192,14 +2192,14 @@
 
 #define MLX4_IB_INVALID_MAC	((u64)-1)
 static void mlx4_ib_update_qps(struct mlx4_ib_dev *ibdev,
-			       struct ifnet *dev,
+			       if_t dev,
 			       int port)
 {
 	u64 new_smac = 0;
 	u64 release_mac = MLX4_IB_INVALID_MAC;
 	struct mlx4_ib_qp *qp;
 
-	new_smac = mlx4_mac_to_u64(IF_LLADDR(dev));
+	new_smac = mlx4_mac_to_u64(if_getlladdr(dev));
 
 	atomic64_set(&ibdev->iboe.mac[port - 1], new_smac);
 
@@ -2247,7 +2247,7 @@
 }
 
 static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev,
-				 struct ifnet *dev,
+				 if_t dev,
 				 unsigned long event)
 
 {
@@ -2278,7 +2278,7 @@
 static int mlx4_ib_netdev_event(struct notifier_block *this,
 				unsigned long event, void *ptr)
 {
-	struct ifnet *dev = netdev_notifier_info_to_ifp(ptr);
+	if_t dev = netdev_notifier_info_to_ifp(ptr);
 	struct mlx4_ib_dev *ibdev;
 
 	if (dev->if_vnet != &init_net)
@@ -3014,7 +3014,7 @@
 	kfree(ew);
 	spin_lock_bh(&ibdev->iboe.lock);
 	for (i = 0; i < MLX4_MAX_PORTS; ++i) {
-		struct ifnet *curr_netdev = ibdev->iboe.netdevs[i];
+		if_t curr_netdev = ibdev->iboe.netdevs[i];
 		enum ib_port_state curr_port_state;
 
 		if (!curr_netdev)
diff --git a/sys/dev/mlx4/mlx4_ib/mlx4_ib_qp.c b/sys/dev/mlx4/mlx4_ib/mlx4_ib_qp.c
--- a/sys/dev/mlx4/mlx4_ib/mlx4_ib_qp.c
+++ b/sys/dev/mlx4/mlx4_ib/mlx4_ib_qp.c
@@ -1790,7 +1790,7 @@
 				status = -ENOENT;
 			if (!status && gid_attr.ndev) {
 				vlan = rdma_vlan_dev_vlan_id(gid_attr.ndev);
-				memcpy(smac, IF_LLADDR(gid_attr.ndev), ETH_ALEN);
+				memcpy(smac, if_getlladdr(gid_attr.ndev), ETH_ALEN);
 				if_rele(gid_attr.ndev);
 			}
 		}