Merge branch 'master' into for-linus

12 files changed, 157 insertions, 69 deletions

diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index 87b4a028991..6ce7f775bb7 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -731,7 +731,7 @@ static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
 /* We need to override some ethtool_ops so we require our
    own structure so we don't interfere with other usbnet
    devices that may be connected at the same time. */
-static struct ethtool_ops ax88172_ethtool_ops = {
+static const struct ethtool_ops ax88172_ethtool_ops = {
 	.get_drvinfo		= asix_get_drvinfo,
 	.get_link		= asix_get_link,
 	.get_msglevel		= usbnet_get_msglevel,
@@ -873,7 +873,7 @@ out:
 	return ret;
 }
 
-static struct ethtool_ops ax88772_ethtool_ops = {
+static const struct ethtool_ops ax88772_ethtool_ops = {
 	.get_drvinfo		= asix_get_drvinfo,
 	.get_link		= asix_get_link,
 	.get_msglevel		= usbnet_get_msglevel,
diff --git a/drivers/net/usb/catc.c b/drivers/net/usb/catc.c
index b9dd4257428..2bed6b087d1 100644
--- a/drivers/net/usb/catc.c
+++ b/drivers/net/usb/catc.c
@@ -411,7 +411,8 @@ static void catc_tx_done(struct urb *urb)
 	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;
@@ -448,7 +449,7 @@ static int catc_start_xmit(struct sk_buff *skb, struct net_device *netdev)
 
 	dev_kfree_skb(skb);
 
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 static void catc_tx_timeout(struct net_device *netdev)
@@ -697,7 +698,7 @@ static int catc_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 	return 0;
 }
 
-static struct ethtool_ops ops = {
+static const struct ethtool_ops ops = {
 	.get_drvinfo = catc_get_drvinfo,
 	.get_settings = catc_get_settings,
 	.get_link = ethtool_op_get_link
diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c
index 792af72da8a..97e54d9d03c 100644
--- a/drivers/net/usb/cdc-phonet.c
+++ b/drivers/net/usb/cdc-phonet.c
@@ -27,6 +27,7 @@
 #include <linux/netdevice.h>
 #include <linux/if_arp.h>
 #include <linux/if_phonet.h>
+#include <linux/phonet.h>
 
 #define PN_MEDIA_USB	0x1B
 
@@ -55,7 +56,7 @@ static void rx_complete(struct urb *req);
 /*
  * 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 +83,12 @@ static int usbpn_xmit(struct sk_buff *skb, struct net_device *dev)
 	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)
@@ -256,6 +257,19 @@ static int usbpn_close(struct net_device *dev)
 	return usb_set_interface(pnd->usb, num, !pnd->active_setting);
 }
 
+static int usbpn_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+	struct if_phonet_req *req = (struct if_phonet_req *)ifr;
+
+	switch (cmd) {
+	case SIOCPNGAUTOCONF:
+		req->ifr_phonet_autoconf.device = PN_DEV_PC;
+		printk(KERN_CRIT"device is PN_DEV_PC\n");
+		return 0;
+	}
+	return -ENOIOCTLCMD;
+}
+
 static int usbpn_set_mtu(struct net_device *dev, int new_mtu)
 {
 	if ((new_mtu < PHONET_MIN_MTU) || (new_mtu > PHONET_MAX_MTU))
@@ -269,6 +283,7 @@ static const struct net_device_ops usbpn_ops = {
 	.ndo_open	= usbpn_open,
 	.ndo_stop	= usbpn_close,
 	.ndo_start_xmit = usbpn_xmit,
+	.ndo_do_ioctl	= usbpn_ioctl,
 	.ndo_change_mtu = usbpn_set_mtu,
 };
 
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c
index 1d3730d6690..72470f77f55 100644
--- a/drivers/net/usb/dm9601.c
+++ b/drivers/net/usb/dm9601.c
@@ -356,7 +356,7 @@ static int dm9601_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
 	return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
 }
 
-static struct ethtool_ops dm9601_ethtool_ops = {
+static const struct ethtool_ops dm9601_ethtool_ops = {
 	.get_drvinfo	= dm9601_get_drvinfo,
 	.get_link	= dm9601_get_link,
 	.get_msglevel	= usbnet_get_msglevel,
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index f8c6d7ea726..fa4e58196c2 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -771,7 +771,8 @@ static void write_bulk_callback(struct urb *urb)
 }
 
 /* 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;
@@ -780,7 +781,7 @@ static int hso_net_start_xmit(struct sk_buff *skb, struct net_device *net)
 	netif_stop_queue(net);
 	if (hso_get_activity(odev->parent) == -EAGAIN) {
 		odev->skb_tx_buf = skb;
-		return 0;
+		return NETDEV_TX_OK;
 	}
 
 	/* log if asked */
@@ -828,7 +829,7 @@ static void hso_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info
 	usb_make_path(odev->parent->usb, info->bus_info, sizeof info->bus_info);
 }
 
-static struct ethtool_ops ops = {
+static const struct ethtool_ops ops = {
 	.get_drvinfo = hso_get_drvinfo,
 	.get_link = ethtool_op_get_link
 };
@@ -2534,6 +2535,10 @@ static void hso_create_rfkill(struct hso_device *hso_dev,
 	}
 }
 
+static struct device_type hso_type = {
+	.name	= "wwan",
+};
+
 /* Creates our network device */
 static struct hso_device *hso_create_net_device(struct usb_interface *interface,
 						int port_spec)
@@ -2574,6 +2579,7 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
 		goto exit;
 	}
 	SET_NETDEV_DEV(net, &interface->dev);
+	SET_NETDEV_DEVTYPE(net, &hso_type);
 
 	/* registering our net device */
 	result = register_netdev(net);
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index 1f9ec29fce5..e2a39b9be96 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -778,7 +778,7 @@ static u32 kaweth_get_link(struct net_device *dev)
 	return kaweth->linkstate;
 }
 
-static struct ethtool_ops ops = {
+static const struct ethtool_ops ops = {
 	.get_drvinfo	= kaweth_get_drvinfo,
 	.get_link	= kaweth_get_link
 };
@@ -803,7 +803,8 @@ static void kaweth_usb_transmit_complete(struct urb *urb)
 /****************************************************************
  *     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;
@@ -829,7 +830,7 @@ static int kaweth_start_xmit(struct sk_buff *skb, struct net_device *net)
 			kaweth->stats.tx_errors++;
 			netif_start_queue(net);
 			spin_unlock_irq(&kaweth->device_lock);
-			return 0;
+			return NETDEV_TX_OK;
 		}
 	}
 
@@ -864,7 +865,7 @@ skip:
 
 	spin_unlock_irq(&kaweth->device_lock);
 
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 /****************************************************************
diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c
index 7ae9afe99a4..10873d96b2d 100644
--- a/drivers/net/usb/mcs7830.c
+++ b/drivers/net/usb/mcs7830.c
@@ -449,7 +449,7 @@ static void mcs7830_get_regs(struct net_device *net, struct ethtool_regs *regs,
 	mcs7830_get_reg(dev, 0, regs->len, data);
 }
 
-static struct ethtool_ops mcs7830_ethtool_ops = {
+static const struct ethtool_ops mcs7830_ethtool_ops = {
 	.get_drvinfo		= mcs7830_get_drvinfo,
 	.get_regs_len		= mcs7830_get_regs_len,
 	.get_regs		= mcs7830_get_regs,
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 631d269ac98..6fdaba8674b 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -876,7 +876,8 @@ static void pegasus_tx_timeout(struct net_device *net)
 	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;
@@ -914,7 +915,7 @@ static int pegasus_start_xmit(struct sk_buff *skb, struct net_device *net)
 	}
 	dev_kfree_skb(skb);
 
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 static struct net_device_stats *pegasus_netdev_stats(struct net_device *dev)
@@ -1173,7 +1174,7 @@ static void pegasus_set_msglevel(struct net_device *dev, u32 v)
 	pegasus->msg_enable = v;
 }
 
-static struct ethtool_ops ops = {
+static const struct ethtool_ops ops = {
 	.get_drvinfo = pegasus_get_drvinfo,
 	.get_settings = pegasus_get_settings,
 	.set_settings = pegasus_set_settings,
diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
index 2232232b798..d032bba9bc4 100644
--- a/drivers/net/usb/rndis_host.c
+++ b/drivers/net/usb/rndis_host.c
@@ -65,6 +65,32 @@ void rndis_status(struct usbnet *dev, struct urb *urb)
 EXPORT_SYMBOL_GPL(rndis_status);
 
 /*
+ * RNDIS indicate messages.
+ */
+static void rndis_msg_indicate(struct usbnet *dev, struct rndis_indicate *msg,
+				int buflen)
+{
+	struct cdc_state *info = (void *)&dev->data;
+	struct device *udev = &info->control->dev;
+
+	if (dev->driver_info->indication) {
+		dev->driver_info->indication(dev, msg, buflen);
+	} else {
+		switch (msg->status) {
+		case RNDIS_STATUS_MEDIA_CONNECT:
+			dev_info(udev, "rndis media connect\n");
+			break;
+		case RNDIS_STATUS_MEDIA_DISCONNECT:
+			dev_info(udev, "rndis media disconnect\n");
+			break;
+		default:
+			dev_info(udev, "rndis indication: 0x%08x\n",
+					le32_to_cpu(msg->status));
+		}
+	}
+}
+
+/*
  * RPC done RNDIS-style.  Caller guarantees:
  * - message is properly byteswapped
  * - there's no other request pending
@@ -143,27 +169,9 @@ int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf, int buflen)
 					request_id, xid);
 				/* then likely retry */
 			} else switch (buf->msg_type) {
-			case RNDIS_MSG_INDICATE: {	/* fault/event */
-				struct rndis_indicate *msg = (void *)buf;
-				int state = 0;
-
-				switch (msg->status) {
-				case RNDIS_STATUS_MEDIA_CONNECT:
-					state = 1;
-				case RNDIS_STATUS_MEDIA_DISCONNECT:
-					dev_info(&info->control->dev,
-						"rndis media %sconnect\n",
-						!state?"dis":"");
-					if (dev->driver_info->link_change)
-						dev->driver_info->link_change(
-							dev, state);
-					break;
-				default:
-					dev_info(&info->control->dev,
-						"rndis indication: 0x%08x\n",
-						le32_to_cpu(msg->status));
-				}
-				}
+			case RNDIS_MSG_INDICATE:	/* fault/event */
+				rndis_msg_indicate(dev, (void *)buf, buflen);
+
 				break;
 			case RNDIS_MSG_KEEPALIVE: {	/* ping */
 				struct rndis_keepalive_c *msg = (void *)buf;
diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
index fcc6fa0905d..b091e20ca16 100644
--- a/drivers/net/usb/rtl8150.c
+++ b/drivers/net/usb/rtl8150.c
@@ -727,7 +727,8 @@ static void rtl8150_set_multicast(struct net_device *netdev)
 	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;
@@ -753,7 +754,7 @@ static int rtl8150_start_xmit(struct sk_buff *skb, struct net_device *netdev)
 		netdev->trans_start = jiffies;
 	}
 
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 
@@ -864,7 +865,7 @@ static int rtl8150_get_settings(struct net_device *netdev, struct ethtool_cmd *e
 	return 0;
 }
 
-static struct ethtool_ops ops = {
+static const struct ethtool_ops ops = {
 	.get_drvinfo = rtl8150_get_drvinfo,
 	.get_settings = rtl8150_get_settings,
 	.get_link = ethtool_op_get_link
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index fe045896406..938fb3530a7 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -220,11 +220,6 @@ static int smsc95xx_eeprom_confirm_not_busy(struct usbnet *dev)
 	do {
 		smsc95xx_read_reg(dev, E2P_CMD, &val);
 
-		if (!(val & E2P_CMD_LOADED_)) {
-			devwarn(dev, "No EEPROM present");
-			return -EIO;
-		}
-
 		if (!(val & E2P_CMD_BUSY_))
 			return 0;
 
@@ -630,7 +625,7 @@ static int smsc95xx_ethtool_set_tx_csum(struct net_device *netdev, u32 val)
 	return smsc95xx_set_csums(dev);
 }
 
-static struct ethtool_ops smsc95xx_ethtool_ops = {
+static const struct ethtool_ops smsc95xx_ethtool_ops = {
 	.get_link	= usbnet_get_link,
 	.nway_reset	= usbnet_nway_reset,
 	.get_drvinfo	= usbnet_get_drvinfo,
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index edfd9e10ceb..24b36f79515 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -233,6 +233,11 @@ void usbnet_skb_return (struct usbnet *dev, struct sk_buff *skb)
 {
 	int	status;
 
+	if (test_bit(EVENT_RX_PAUSED, &dev->flags)) {
+		skb_queue_tail(&dev->rxq_pause, skb);
+		return;
+	}
+
 	skb->protocol = eth_type_trans (skb, dev->net);
 	dev->net->stats.rx_packets++;
 	dev->net->stats.rx_bytes += skb->len;
@@ -526,6 +531,41 @@ static void intr_complete (struct urb *urb)
 }
 
 /*-------------------------------------------------------------------------*/
+void usbnet_pause_rx(struct usbnet *dev)
+{
+	set_bit(EVENT_RX_PAUSED, &dev->flags);
+
+	if (netif_msg_rx_status(dev))
+		devdbg(dev, "paused rx queue enabled");
+}
+EXPORT_SYMBOL_GPL(usbnet_pause_rx);
+
+void usbnet_resume_rx(struct usbnet *dev)
+{
+	struct sk_buff *skb;
+	int num = 0;
+
+	clear_bit(EVENT_RX_PAUSED, &dev->flags);
+
+	while ((skb = skb_dequeue(&dev->rxq_pause)) != NULL) {
+		usbnet_skb_return(dev, skb);
+		num++;
+	}
+
+	tasklet_schedule(&dev->bh);
+
+	if (netif_msg_rx_status(dev))
+		devdbg(dev, "paused rx queue disabled, %d skbs requeued", num);
+}
+EXPORT_SYMBOL_GPL(usbnet_resume_rx);
+
+void usbnet_purge_paused_rxq(struct usbnet *dev)
+{
+	skb_queue_purge(&dev->rxq_pause);
+}
+EXPORT_SYMBOL_GPL(usbnet_purge_paused_rxq);
+
+/*-------------------------------------------------------------------------*/
 
 // unlink pending rx/tx; completion handlers do all other cleanup
 
@@ -575,7 +615,9 @@ EXPORT_SYMBOL_GPL(usbnet_unlink_rx_urbs);
 int usbnet_stop (struct net_device *net)
 {
 	struct usbnet		*dev = netdev_priv(net);
+	struct driver_info	*info = dev->driver_info;
 	int			temp;
+	int			retval;
 	DECLARE_WAIT_QUEUE_HEAD_ONSTACK (unlink_wakeup);
 	DECLARE_WAITQUEUE (wait, current);
 
@@ -587,24 +629,42 @@ int usbnet_stop (struct net_device *net)
 			net->stats.rx_errors, net->stats.tx_errors
 			);
 
-	// ensure there are no more active urbs
-	add_wait_queue (&unlink_wakeup, &wait);
-	dev->wait = &unlink_wakeup;
-	temp = unlink_urbs (dev, &dev->txq) + unlink_urbs (dev, &dev->rxq);
+	/* allow minidriver to stop correctly (wireless devices to turn off
+	 * radio etc) */
+	if (info->stop) {
+		retval = info->stop(dev);
+		if (retval < 0 && netif_msg_ifdown(dev))
+			devinfo(dev,
+				"stop fail (%d) usbnet usb-%s-%s, %s",
+				retval,
+				dev->udev->bus->bus_name, dev->udev->devpath,
+				info->description);
+	}
 
-	// maybe wait for deletions to finish.
-	while (!skb_queue_empty(&dev->rxq)
-			&& !skb_queue_empty(&dev->txq)
-			&& !skb_queue_empty(&dev->done)) {
-		msleep(UNLINK_TIMEOUT_MS);
-		if (netif_msg_ifdown (dev))
-			devdbg (dev, "waited for %d urb completions", temp);
+	if (!(info->flags & FLAG_AVOID_UNLINK_URBS)) {
+		/* ensure there are no more active urbs */
+		add_wait_queue(&unlink_wakeup, &wait);
+		dev->wait = &unlink_wakeup;
+		temp = unlink_urbs(dev, &dev->txq) +
+			unlink_urbs(dev, &dev->rxq);
+
+		/* maybe wait for deletions to finish. */
+		while (!skb_queue_empty(&dev->rxq)
+				&& !skb_queue_empty(&dev->txq)
+				&& !skb_queue_empty(&dev->done)) {
+			msleep(UNLINK_TIMEOUT_MS);
+			if (netif_msg_ifdown(dev))
+				devdbg(dev, "waited for %d urb completions",
+					temp);
+		}
+		dev->wait = NULL;
+		remove_wait_queue(&unlink_wakeup, &wait);
 	}
-	dev->wait = NULL;
-	remove_wait_queue (&unlink_wakeup, &wait);
 
 	usb_kill_urb(dev->interrupt);
 
+	usbnet_purge_paused_rxq(dev);
+
 	/* deferred work (task, timer, softirq) must also stop.
 	 * can't flush_scheduled_work() until we drop rtnl (later),
 	 * else workers could deadlock; so make workers a NOP.
@@ -794,7 +854,7 @@ void usbnet_set_msglevel (struct net_device *net, u32 level)
 EXPORT_SYMBOL_GPL(usbnet_set_msglevel);
 
 /* drivers may override default ethtool_ops in their bind() routine */
-static struct ethtool_ops usbnet_ethtool_ops = {
+static const struct ethtool_ops usbnet_ethtool_ops = {
 	.get_settings		= usbnet_get_settings,
 	.set_settings		= usbnet_set_settings,
 	.get_link		= usbnet_get_link,
@@ -947,15 +1007,16 @@ EXPORT_SYMBOL_GPL(usbnet_tx_timeout);
 
 /*-------------------------------------------------------------------------*/
 
-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
@@ -1019,7 +1080,6 @@ int usbnet_start_xmit (struct sk_buff *skb, struct net_device *net)
 		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);
@@ -1028,7 +1088,7 @@ drop:
 		devdbg (dev, "> tx, len %d, type 0x%x",
 			length, skb->protocol);
 	}
-	return retval;
+	return NETDEV_TX_OK;
 }
 EXPORT_SYMBOL_GPL(usbnet_start_xmit);
 
@@ -1095,7 +1155,6 @@ static void usbnet_bh (unsigned long param)
 }
 
 
-
 /*-------------------------------------------------------------------------
  *
  * USB Device Driver support
@@ -1192,6 +1251,7 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
 	skb_queue_head_init (&dev->rxq);
 	skb_queue_head_init (&dev->txq);
 	skb_queue_head_init (&dev->done);
+	skb_queue_head_init(&dev->rxq_pause);
 	dev->bh.func = usbnet_bh;
 	dev->bh.data = (unsigned long) dev;
 	INIT_WORK (&dev->kevent, kevent);