diff --git a/drivers/net/usb/catc.c b/drivers/net/usb/catc.c
index 7abdc4a..0ffc0c6 100644
--- a/drivers/net/usb/catc.c
+++ b/drivers/net/usb/catc.c
@@ -411,7 +411,8 @@
 	spin_unlock_irqrestore(&catc->tx_lock, flags);
 }
 
-static int catc_start_xmit(struct sk_buff *skb, struct net_device *netdev)
+static netdev_tx_t catc_start_xmit(struct sk_buff *skb,
+					 struct net_device *netdev)
 {
 	struct catc *catc = netdev_priv(netdev);
 	unsigned long flags;
diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c
index 792af72..0ca5916 100644
--- a/drivers/net/usb/cdc-phonet.c
+++ b/drivers/net/usb/cdc-phonet.c
@@ -55,7 +55,7 @@
 /*
  * Network device callbacks
  */
-static int usbpn_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t usbpn_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct usbpn_dev *pnd = netdev_priv(dev);
 	struct urb *req = NULL;
@@ -82,12 +82,12 @@
 	if (pnd->tx_queue >= dev->tx_queue_len)
 		netif_stop_queue(dev);
 	spin_unlock_irqrestore(&pnd->tx_lock, flags);
-	return 0;
+	return NETDEV_TX_OK;
 
 drop:
 	dev_kfree_skb(skb);
 	dev->stats.tx_dropped++;
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 static void tx_complete(struct urb *req)
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index ffe4106..123f9b8 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -771,7 +771,8 @@
 }
 
 /* called by kernel when we need to transmit a packet */
-static int hso_net_start_xmit(struct sk_buff *skb, struct net_device *net)
+static netdev_tx_t hso_net_start_xmit(struct sk_buff *skb,
+					    struct net_device *net)
 {
 	struct hso_net *odev = netdev_priv(net);
 	int result;
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index 200fe3d..7f39736 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -803,7 +803,8 @@
 /****************************************************************
  *     kaweth_start_xmit
  ****************************************************************/
-static int kaweth_start_xmit(struct sk_buff *skb, struct net_device *net)
+static netdev_tx_t kaweth_start_xmit(struct sk_buff *skb,
+					   struct net_device *net)
 {
 	struct kaweth_device *kaweth = netdev_priv(net);
 	__le16 *private_header;
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 69d2df9..7b935b8 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -876,7 +876,8 @@
 	pegasus->stats.tx_errors++;
 }
 
-static int pegasus_start_xmit(struct sk_buff *skb, struct net_device *net)
+static netdev_tx_t pegasus_start_xmit(struct sk_buff *skb,
+					    struct net_device *net)
 {
 	pegasus_t *pegasus = netdev_priv(net);
 	int count = ((skb->len + 2) & 0x3f) ? skb->len + 2 : skb->len + 3;
diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
index bac8b77..d9f84f2 100644
--- a/drivers/net/usb/rtl8150.c
+++ b/drivers/net/usb/rtl8150.c
@@ -727,7 +727,8 @@
 	netif_wake_queue(netdev);
 }
 
-static int rtl8150_start_xmit(struct sk_buff *skb, struct net_device *netdev)
+static netdev_tx_t rtl8150_start_xmit(struct sk_buff *skb,
+					    struct net_device *netdev)
 {
 	rtl8150_t *dev = netdev_priv(netdev);
 	int count, res;
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 7d471fc..d166e33 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1007,15 +1007,16 @@
 
 /*-------------------------------------------------------------------------*/
 
-int usbnet_start_xmit (struct sk_buff *skb, struct net_device *net)
+netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
+				     struct net_device *net)
 {
 	struct usbnet		*dev = netdev_priv(net);
 	int			length;
-	int			retval = NET_XMIT_SUCCESS;
 	struct urb		*urb = NULL;
 	struct skb_data		*entry;
 	struct driver_info	*info = dev->driver_info;
 	unsigned long		flags;
+	int retval;
 
 	// some devices want funky USB-level framing, for
 	// win32 driver (usually) and/or hardware quirks
@@ -1079,7 +1080,6 @@
 		if (netif_msg_tx_err (dev))
 			devdbg (dev, "drop, code %d", retval);
 drop:
-		retval = NET_XMIT_SUCCESS;
 		dev->net->stats.tx_dropped++;
 		if (skb)
 			dev_kfree_skb_any (skb);
@@ -1088,7 +1088,7 @@
 		devdbg (dev, "> tx, len %d, type 0x%x",
 			length, skb->protocol);
 	}
-	return retval;
+	return NETDEV_TX_OK;
 }
 EXPORT_SYMBOL_GPL(usbnet_start_xmit);
 
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index aac69b5..dc3ebd1 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -465,7 +465,8 @@
 	return cdc_filter & USB_CDC_PACKET_TYPE_PROMISCUOUS;
 }
 
-static int eth_start_xmit(struct sk_buff *skb, struct net_device *net)
+static netdev_tx_t eth_start_xmit(struct sk_buff *skb,
+					struct net_device *net)
 {
 	struct eth_dev		*dev = netdev_priv(net);
 	int			length = skb->len;
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index 0951425..bb69e25 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -182,7 +182,8 @@
 
 extern int usbnet_open (struct net_device *net);
 extern int usbnet_stop (struct net_device *net);
-extern int usbnet_start_xmit (struct sk_buff *skb, struct net_device *net);
+extern netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
+				      struct net_device *net);
 extern void usbnet_tx_timeout (struct net_device *net);
 extern int usbnet_change_mtu (struct net_device *net, int new_mtu);