Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Conflicts:
	drivers/net/usb/qmi_wwan.c
	net/batman-adv/translation-table.c
	net/ipv6/route.c

qmi_wwan.c resolution provided by Bjørn Mork.

batman-adv conflict is dealing merely with the changes
of global function names to have a proper subsystem
prefix.

ipv6's route.c conflict is merely two side-by-side additions
of network namespace methods.

Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 73 insertions, 63 deletions

diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index f1e779135899..68ca6769210f 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -269,29 +269,6 @@ err:
 	return rv;
 }
 
-/* Gobi devices uses identical class/protocol codes for all interfaces regardless
- * of function. Some of these are CDC ACM like and have the exact same endpoints
- * we are looking for. This leaves two possible strategies for identifying the
- * correct interface:
- *   a) hardcoding interface number, or
- *   b) use the fact that the wwan interface is the only one lacking additional
- *      (CDC functional) descriptors
- *
- * Let's see if we can get away with the generic b) solution.
- */
-static int qmi_wwan_bind_gobi(struct usbnet *dev, struct usb_interface *intf)
-{
-	int rv = -EINVAL;
-
-	/* ignore any interface with additional descriptors */
-	if (intf->cur_altsetting->extralen)
-		goto err;
-
-	rv = qmi_wwan_bind_shared(dev, intf);
-err:
-	return rv;
-}
-
 static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf)
 {
 	struct qmi_wwan_state *info = (void *)&dev->data;
@@ -375,15 +352,15 @@ static const struct driver_info	qmi_wwan_shared = {
 	.manage_power	= qmi_wwan_manage_power,
 };
 
-static const struct driver_info	qmi_wwan_gobi = {
-	.description	= "Qualcomm Gobi wwan/QMI device",
+static const struct driver_info	qmi_wwan_force_int0 = {
+	.description	= "Qualcomm WWAN/QMI device",
 	.flags		= FLAG_WWAN,
-	.bind		= qmi_wwan_bind_gobi,
+	.bind		= qmi_wwan_bind_shared,
 	.unbind		= qmi_wwan_unbind,
 	.manage_power	= qmi_wwan_manage_power,
+	.data		= BIT(0), /* interface whitelist bitmap */
 };
 
-/* ZTE suck at making USB descriptors */
 static const struct driver_info	qmi_wwan_force_int1 = {
 	.description	= "Qualcomm WWAN/QMI device",
 	.flags		= FLAG_WWAN,
@@ -393,6 +370,15 @@ static const struct driver_info	qmi_wwan_force_int1 = {
 	.data		= BIT(1), /* interface whitelist bitmap */
 };
 
+static const struct driver_info	qmi_wwan_force_int3 = {
+	.description	= "Qualcomm WWAN/QMI device",
+	.flags		= FLAG_WWAN,
+	.bind		= qmi_wwan_bind_shared,
+	.unbind		= qmi_wwan_unbind,
+	.manage_power	= qmi_wwan_manage_power,
+	.data		= BIT(3), /* interface whitelist bitmap */
+};
+
 static const struct driver_info	qmi_wwan_force_int4 = {
 	.description	= "Qualcomm WWAN/QMI device",
 	.flags		= FLAG_WWAN,
@@ -418,16 +404,23 @@ static const struct driver_info	qmi_wwan_force_int4 = {
 static const struct driver_info	qmi_wwan_sierra = {
 	.description	= "Sierra Wireless wwan/QMI device",
 	.flags		= FLAG_WWAN,
-	.bind		= qmi_wwan_bind_gobi,
+	.bind		= qmi_wwan_bind_shared,
 	.unbind		= qmi_wwan_unbind,
 	.manage_power	= qmi_wwan_manage_power,
 	.data		= BIT(8) | BIT(19), /* interface whitelist bitmap */
 };
 
 #define HUAWEI_VENDOR_ID	0x12D1
+
+/* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */
+#define QMI_GOBI1K_DEVICE(vend, prod) \
+	USB_DEVICE(vend, prod), \
+	.driver_info = (unsigned long)&qmi_wwan_force_int3
+
+/* Gobi 2000 and Gobi 3000 QMI/wwan interface number is 0 according to qcserial */
 #define QMI_GOBI_DEVICE(vend, prod) \
 	USB_DEVICE(vend, prod), \
-	.driver_info = (unsigned long)&qmi_wwan_gobi
+	.driver_info = (unsigned long)&qmi_wwan_force_int0
 
 static const struct usb_device_id products[] = {
 	{	/* Huawei E392, E398 and possibly others sharing both device id and more... */
@@ -538,20 +531,24 @@ static const struct usb_device_id products[] = {
 		.bInterfaceProtocol = 0xff,
 		.driver_info        = (unsigned long)&qmi_wwan_sierra,
 	},
-	{QMI_GOBI_DEVICE(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */
-	{QMI_GOBI_DEVICE(0x03f0, 0x1f1d)},	/* HP un2400 Gobi Modem Device */
-	{QMI_GOBI_DEVICE(0x03f0, 0x371d)},	/* HP un2430 Mobile Broadband Module */
-	{QMI_GOBI_DEVICE(0x04da, 0x250d)},	/* Panasonic Gobi Modem device */
-	{QMI_GOBI_DEVICE(0x413c, 0x8172)},	/* Dell Gobi Modem device */
-	{QMI_GOBI_DEVICE(0x1410, 0xa001)},	/* Novatel Gobi Modem device */
-	{QMI_GOBI_DEVICE(0x0b05, 0x1776)},	/* Asus Gobi Modem device */
-	{QMI_GOBI_DEVICE(0x19d2, 0xfff3)},	/* ONDA Gobi Modem device */
-	{QMI_GOBI_DEVICE(0x05c6, 0x9001)},	/* Generic Gobi Modem device */
-	{QMI_GOBI_DEVICE(0x05c6, 0x9002)},	/* Generic Gobi Modem device */
-	{QMI_GOBI_DEVICE(0x05c6, 0x9202)},	/* Generic Gobi Modem device */
-	{QMI_GOBI_DEVICE(0x05c6, 0x9203)},	/* Generic Gobi Modem device */
-	{QMI_GOBI_DEVICE(0x05c6, 0x9222)},	/* Generic Gobi Modem device */
-	{QMI_GOBI_DEVICE(0x05c6, 0x9009)},	/* Generic Gobi Modem device */
+
+	/* Gobi 1000 devices */
+	{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */
+	{QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)},	/* HP un2400 Gobi Modem Device */
+	{QMI_GOBI1K_DEVICE(0x03f0, 0x371d)},	/* HP un2430 Mobile Broadband Module */
+	{QMI_GOBI1K_DEVICE(0x04da, 0x250d)},	/* Panasonic Gobi Modem device */
+	{QMI_GOBI1K_DEVICE(0x413c, 0x8172)},	/* Dell Gobi Modem device */
+	{QMI_GOBI1K_DEVICE(0x1410, 0xa001)},	/* Novatel Gobi Modem device */
+	{QMI_GOBI1K_DEVICE(0x0b05, 0x1776)},	/* Asus Gobi Modem device */
+	{QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)},	/* ONDA Gobi Modem device */
+	{QMI_GOBI1K_DEVICE(0x05c6, 0x9001)},	/* Generic Gobi Modem device */
+	{QMI_GOBI1K_DEVICE(0x05c6, 0x9002)},	/* Generic Gobi Modem device */
+	{QMI_GOBI1K_DEVICE(0x05c6, 0x9202)},	/* Generic Gobi Modem device */
+	{QMI_GOBI1K_DEVICE(0x05c6, 0x9203)},	/* Generic Gobi Modem device */
+	{QMI_GOBI1K_DEVICE(0x05c6, 0x9222)},	/* Generic Gobi Modem device */
+	{QMI_GOBI1K_DEVICE(0x05c6, 0x9009)},	/* Generic Gobi Modem device */
+
+	/* Gobi 2000 and 3000 devices */
 	{QMI_GOBI_DEVICE(0x413c, 0x8186)},	/* Dell Gobi 2000 Modem device (N0218, VU936) */
 	{QMI_GOBI_DEVICE(0x05c6, 0x920b)},	/* Generic Gobi 2000 Modem device */
 	{QMI_GOBI_DEVICE(0x05c6, 0x9225)},	/* Sony Gobi 2000 Modem device (N0279, VU730) */
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index ac2e4936b421..e92c057f794a 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -793,11 +793,13 @@ int usbnet_open (struct net_device *net)
 	if (info->manage_power) {
 		retval = info->manage_power(dev, 1);
 		if (retval < 0)
-			goto done;
+			goto done_manage_power_error;
 		usb_autopm_put_interface(dev->intf);
 	}
 	return retval;
 
+done_manage_power_error:
+	clear_bit(EVENT_DEV_OPEN, &dev->flags);
 done:
 	usb_autopm_put_interface(dev->intf);
 done_nopm:
@@ -873,9 +875,9 @@ void usbnet_get_drvinfo (struct net_device *net, struct ethtool_drvinfo *info)
 {
 	struct usbnet *dev = netdev_priv(net);
 
-	strncpy (info->driver, dev->driver_name, sizeof info->driver);
-	strncpy (info->version, DRIVER_VERSION, sizeof info->version);
-	strncpy (info->fw_version, dev->driver_info->description,
+	strlcpy (info->driver, dev->driver_name, sizeof info->driver);
+	strlcpy (info->version, DRIVER_VERSION, sizeof info->version);
+	strlcpy (info->fw_version, dev->driver_info->description,
 		sizeof info->fw_version);
 	usb_make_path (dev->udev, info->bus_info, sizeof info->bus_info);
 }
@@ -1199,6 +1201,21 @@ deferred:
 }
 EXPORT_SYMBOL_GPL(usbnet_start_xmit);
 
+static void rx_alloc_submit(struct usbnet *dev, gfp_t flags)
+{
+	struct urb	*urb;
+	int		i;
+
+	/* don't refill the queue all at once */
+	for (i = 0; i < 10 && dev->rxq.qlen < RX_QLEN(dev); i++) {
+		urb = usb_alloc_urb(0, flags);
+		if (urb != NULL) {
+			if (rx_submit(dev, urb, flags) == -ENOLINK)
+				return;
+		}
+	}
+}
+
 /*-------------------------------------------------------------------------*/
 
 // tasklet (work deferred from completions, in_irq) or timer
@@ -1238,26 +1255,14 @@ static void usbnet_bh (unsigned long param)
 		   !timer_pending (&dev->delay) &&
 		   !test_bit (EVENT_RX_HALT, &dev->flags)) {
 		int	temp = dev->rxq.qlen;
-		int	qlen = RX_QLEN (dev);
-
-		if (temp < qlen) {
-			struct urb	*urb;
-			int		i;
-
-			// don't refill the queue all at once
-			for (i = 0; i < 10 && dev->rxq.qlen < qlen; i++) {
-				urb = usb_alloc_urb (0, GFP_ATOMIC);
-				if (urb != NULL) {
-					if (rx_submit (dev, urb, GFP_ATOMIC) ==
-					    -ENOLINK)
-						return;
-				}
-			}
+
+		if (temp < RX_QLEN(dev)) {
+			rx_alloc_submit(dev, GFP_ATOMIC);
 			if (temp != dev->rxq.qlen)
 				netif_dbg(dev, link, dev->net,
 					  "rxqlen %d --> %d\n",
 					  temp, dev->rxq.qlen);
-			if (dev->rxq.qlen < qlen)
+			if (dev->rxq.qlen < RX_QLEN(dev))
 				tasklet_schedule (&dev->bh);
 		}
 		if (dev->txq.qlen < TX_QLEN (dev))
@@ -1506,6 +1511,7 @@ int usbnet_suspend (struct usb_interface *intf, pm_message_t message)
 		spin_lock_irq(&dev->txq.lock);
 		/* don't autosuspend while transmitting */
 		if (dev->txq.qlen && PMSG_IS_AUTO(message)) {
+			dev->suspend_count--;
 			spin_unlock_irq(&dev->txq.lock);
 			return -EBUSY;
 		} else {
@@ -1562,6 +1568,13 @@ int usbnet_resume (struct usb_interface *intf)
 		spin_unlock_irq(&dev->txq.lock);
 
 		if (test_bit(EVENT_DEV_OPEN, &dev->flags)) {
+			/* handle remote wakeup ASAP */
+			if (!dev->wait &&
+				netif_device_present(dev->net) &&
+				!timer_pending(&dev->delay) &&
+				!test_bit(EVENT_RX_HALT, &dev->flags))
+					rx_alloc_submit(dev, GFP_KERNEL);
+
 			if (!(dev->txq.qlen >= TX_QLEN(dev)))
 				netif_tx_wake_all_queues(dev->net);
 			tasklet_schedule (&dev->bh);