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);