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-rw-r--r--drivers/net/usb/asix.h1
-rw-r--r--drivers/net/usb/asix_common.c53
-rw-r--r--drivers/net/usb/asix_devices.c1
-rw-r--r--drivers/net/usb/cdc_ncm.c7
-rw-r--r--drivers/net/usb/lan78xx.c18
-rw-r--r--drivers/net/usb/qmi_wwan.c7
6 files changed, 67 insertions, 20 deletions
diff --git a/drivers/net/usb/asix.h b/drivers/net/usb/asix.h
index d1092421aaa7..9a4171b90947 100644
--- a/drivers/net/usb/asix.h
+++ b/drivers/net/usb/asix.h
@@ -209,6 +209,7 @@ void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
struct asix_rx_fixup_info *rx);
int asix_rx_fixup_common(struct usbnet *dev, struct sk_buff *skb);
+void asix_rx_fixup_common_free(struct asix_common_private *dp);
struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
gfp_t flags);
diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c
index 7847436c441e..522d2900cd1d 100644
--- a/drivers/net/usb/asix_common.c
+++ b/drivers/net/usb/asix_common.c
@@ -75,6 +75,27 @@ void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
value, index, data, size);
}
+static void reset_asix_rx_fixup_info(struct asix_rx_fixup_info *rx)
+{
+ /* Reset the variables that have a lifetime outside of
+ * asix_rx_fixup_internal() so that future processing starts from a
+ * known set of initial conditions.
+ */
+
+ if (rx->ax_skb) {
+ /* Discard any incomplete Ethernet frame in the netdev buffer */
+ kfree_skb(rx->ax_skb);
+ rx->ax_skb = NULL;
+ }
+
+ /* Assume the Data header 32-bit word is at the start of the current
+ * or next URB socket buffer so reset all the state variables.
+ */
+ rx->remaining = 0;
+ rx->split_head = false;
+ rx->header = 0;
+}
+
int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
struct asix_rx_fixup_info *rx)
{
@@ -99,15 +120,7 @@ int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
if (size != ((~rx->header >> 16) & 0x7ff)) {
netdev_err(dev->net, "asix_rx_fixup() Data Header synchronisation was lost, remaining %d\n",
rx->remaining);
- if (rx->ax_skb) {
- kfree_skb(rx->ax_skb);
- rx->ax_skb = NULL;
- /* Discard the incomplete netdev Ethernet frame
- * and assume the Data header is at the start of
- * the current URB socket buffer.
- */
- }
- rx->remaining = 0;
+ reset_asix_rx_fixup_info(rx);
}
}
@@ -139,11 +152,13 @@ int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
if (size != ((~rx->header >> 16) & 0x7ff)) {
netdev_err(dev->net, "asix_rx_fixup() Bad Header Length 0x%x, offset %d\n",
rx->header, offset);
+ reset_asix_rx_fixup_info(rx);
return 0;
}
if (size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) {
netdev_dbg(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
size);
+ reset_asix_rx_fixup_info(rx);
return 0;
}
@@ -168,8 +183,10 @@ int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
if (rx->ax_skb) {
skb_put_data(rx->ax_skb, skb->data + offset,
copy_length);
- if (!rx->remaining)
+ if (!rx->remaining) {
usbnet_skb_return(dev, rx->ax_skb);
+ rx->ax_skb = NULL;
+ }
}
offset += (copy_length + 1) & 0xfffe;
@@ -178,6 +195,7 @@ int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
if (skb->len != offset) {
netdev_err(dev->net, "asix_rx_fixup() Bad SKB Length %d, %d\n",
skb->len, offset);
+ reset_asix_rx_fixup_info(rx);
return 0;
}
@@ -192,6 +210,21 @@ int asix_rx_fixup_common(struct usbnet *dev, struct sk_buff *skb)
return asix_rx_fixup_internal(dev, skb, rx);
}
+void asix_rx_fixup_common_free(struct asix_common_private *dp)
+{
+ struct asix_rx_fixup_info *rx;
+
+ if (!dp)
+ return;
+
+ rx = &dp->rx_fixup_info;
+
+ if (rx->ax_skb) {
+ kfree_skb(rx->ax_skb);
+ rx->ax_skb = NULL;
+ }
+}
+
struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
gfp_t flags)
{
diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
index a3aa0a27dfe5..b2ff88e69a81 100644
--- a/drivers/net/usb/asix_devices.c
+++ b/drivers/net/usb/asix_devices.c
@@ -764,6 +764,7 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
{
+ asix_rx_fixup_common_free(dev->driver_priv);
kfree(dev->driver_priv);
}
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 8f572b9f3625..9c80e80c5493 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -1758,6 +1758,13 @@ static const struct usb_device_id cdc_devs[] = {
.driver_info = (unsigned long)&wwan_noarp_info,
},
+ /* u-blox TOBY-L4 */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x1546, 0x1010,
+ USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&wwan_info,
+ },
+
/* Generic CDC-NCM devices */
{ USB_INTERFACE_INFO(USB_CLASS_COMM,
USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 5833f7e2a127..b99a7fb09f8e 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -2367,9 +2367,6 @@ static int lan78xx_reset(struct lan78xx_net *dev)
/* Init LTM */
lan78xx_init_ltm(dev);
- dev->net->hard_header_len += TX_OVERHEAD;
- dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
-
if (dev->udev->speed == USB_SPEED_SUPER) {
buf = DEFAULT_BURST_CAP_SIZE / SS_USB_PKT_SIZE;
dev->rx_urb_size = DEFAULT_BURST_CAP_SIZE;
@@ -2855,16 +2852,19 @@ static int lan78xx_bind(struct lan78xx_net *dev, struct usb_interface *intf)
return ret;
}
+ dev->net->hard_header_len += TX_OVERHEAD;
+ dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
+
/* Init all registers */
ret = lan78xx_reset(dev);
- lan78xx_mdio_init(dev);
+ ret = lan78xx_mdio_init(dev);
dev->net->flags |= IFF_MULTICAST;
pdata->wol = WAKE_MAGIC;
- return 0;
+ return ret;
}
static void lan78xx_unbind(struct lan78xx_net *dev, struct usb_interface *intf)
@@ -3525,11 +3525,11 @@ static int lan78xx_probe(struct usb_interface *intf,
udev = interface_to_usbdev(intf);
udev = usb_get_dev(udev);
- ret = -ENOMEM;
netdev = alloc_etherdev(sizeof(struct lan78xx_net));
if (!netdev) {
- dev_err(&intf->dev, "Error: OOM\n");
- goto out1;
+ dev_err(&intf->dev, "Error: OOM\n");
+ ret = -ENOMEM;
+ goto out1;
}
/* netdev_printk() needs this */
@@ -3610,7 +3610,7 @@ static int lan78xx_probe(struct usb_interface *intf,
ret = register_netdev(netdev);
if (ret != 0) {
netif_err(dev, probe, netdev, "couldn't register the device\n");
- goto out2;
+ goto out3;
}
usb_set_intfdata(intf, dev);
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 5894e3c9468f..8c3733608271 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1175,6 +1175,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */
{QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */
{QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */
+ {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */
{QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */
{QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */
{QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */
@@ -1340,10 +1341,14 @@ static int qmi_wwan_probe(struct usb_interface *intf,
static void qmi_wwan_disconnect(struct usb_interface *intf)
{
struct usbnet *dev = usb_get_intfdata(intf);
- struct qmi_wwan_state *info = (void *)&dev->data;
+ struct qmi_wwan_state *info;
struct list_head *iter;
struct net_device *ldev;
+ /* called twice if separate control and data intf */
+ if (!dev)
+ return;
+ info = (void *)&dev->data;
if (info->flags & QMI_WWAN_FLAG_MUX) {
if (!rtnl_trylock()) {
restart_syscall();
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