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OpenCloudOS-Kernel/drivers/net/usb/cdc_ether.c

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/*
* CDC Ethernet based networking peripherals
* Copyright (C) 2003-2005 by David Brownell
* Copyright (C) 2006 by Ole Andre Vadla Ravnas (ActiveSync)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
// #define DEBUG // error path messages, extra info
// #define VERBOSE // more; success messages
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/workqueue.h>
#include <linux/mii.h>
#include <linux/usb.h>
#include <linux/usb/cdc.h>
#include <linux/usb/usbnet.h>
#if IS_ENABLED(CONFIG_USB_NET_RNDIS_HOST)
static int is_rndis(struct usb_interface_descriptor *desc)
{
return (desc->bInterfaceClass == USB_CLASS_COMM &&
desc->bInterfaceSubClass == 2 &&
desc->bInterfaceProtocol == 0xff);
}
static int is_activesync(struct usb_interface_descriptor *desc)
{
return (desc->bInterfaceClass == USB_CLASS_MISC &&
desc->bInterfaceSubClass == 1 &&
desc->bInterfaceProtocol == 1);
}
static int is_wireless_rndis(struct usb_interface_descriptor *desc)
{
return (desc->bInterfaceClass == USB_CLASS_WIRELESS_CONTROLLER &&
desc->bInterfaceSubClass == 1 &&
desc->bInterfaceProtocol == 3);
}
#else
#define is_rndis(desc) 0
#define is_activesync(desc) 0
#define is_wireless_rndis(desc) 0
#endif
static const u8 mbm_guid[16] = {
0xa3, 0x17, 0xa8, 0x8b, 0x04, 0x5e, 0x4f, 0x01,
0xa6, 0x07, 0xc0, 0xff, 0xcb, 0x7e, 0x39, 0x2a,
};
static void usbnet_cdc_update_filter(struct usbnet *dev)
{
struct cdc_state *info = (void *) &dev->data;
struct usb_interface *intf = info->control;
struct net_device *net = dev->net;
u16 cdc_filter = USB_CDC_PACKET_TYPE_DIRECTED
| USB_CDC_PACKET_TYPE_BROADCAST;
/* filtering on the device is an optional feature and not worth
* the hassle so we just roughly care about snooping and if any
* multicast is requested, we take every multicast
*/
if (net->flags & IFF_PROMISC)
cdc_filter |= USB_CDC_PACKET_TYPE_PROMISCUOUS;
if (!netdev_mc_empty(net) || (net->flags & IFF_ALLMULTI))
cdc_filter |= USB_CDC_PACKET_TYPE_ALL_MULTICAST;
usb_control_msg(dev->udev,
usb_sndctrlpipe(dev->udev, 0),
USB_CDC_SET_ETHERNET_PACKET_FILTER,
USB_TYPE_CLASS | USB_RECIP_INTERFACE,
cdc_filter,
intf->cur_altsetting->desc.bInterfaceNumber,
NULL,
0,
USB_CTRL_SET_TIMEOUT
);
}
/* probes control interface, claims data interface, collects the bulk
* endpoints, activates data interface (if needed), maybe sets MTU.
* all pure cdc, except for certain firmware workarounds, and knowing
* that rndis uses one different rule.
*/
int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
{
u8 *buf = intf->cur_altsetting->extra;
int len = intf->cur_altsetting->extralen;
struct usb_interface_descriptor *d;
struct cdc_state *info = (void *) &dev->data;
int status;
int rndis;
bool android_rndis_quirk = false;
struct usb_driver *driver = driver_of(intf);
struct usb_cdc_parsed_header header;
if (sizeof(dev->data) < sizeof(*info))
return -EDOM;
/* expect strict spec conformance for the descriptors, but
* cope with firmware which stores them in the wrong place
*/
if (len == 0 && dev->udev->actconfig->extralen) {
/* Motorola SB4100 (and others: Brad Hards says it's
* from a Broadcom design) put CDC descriptors here
*/
buf = dev->udev->actconfig->extra;
len = dev->udev->actconfig->extralen;
dev_dbg(&intf->dev, "CDC descriptors on config\n");
}
/* Maybe CDC descriptors are after the endpoint? This bug has
* been seen on some 2Wire Inc RNDIS-ish products.
*/
if (len == 0) {
struct usb_host_endpoint *hep;
hep = intf->cur_altsetting->endpoint;
if (hep) {
buf = hep->extra;
len = hep->extralen;
}
if (len)
dev_dbg(&intf->dev,
"CDC descriptors on endpoint\n");
}
/* this assumes that if there's a non-RNDIS vendor variant
* of cdc-acm, it'll fail RNDIS requests cleanly.
*/
rndis = (is_rndis(&intf->cur_altsetting->desc) ||
is_activesync(&intf->cur_altsetting->desc) ||
is_wireless_rndis(&intf->cur_altsetting->desc));
memset(info, 0, sizeof(*info));
info->control = intf;
cdc_parse_cdc_header(&header, intf, buf, len);
info->u = header.usb_cdc_union_desc;
info->header = header.usb_cdc_header_desc;
info->ether = header.usb_cdc_ether_desc;
if (!info->u) {
if (rndis)
goto skip;
else /* in that case a quirk is mandatory */
goto bad_desc;
}
/* we need a master/control interface (what we're
* probed with) and a slave/data interface; union
* descriptors sort this all out.
*/
info->control = usb_ifnum_to_if(dev->udev,
info->u->bMasterInterface0);
info->data = usb_ifnum_to_if(dev->udev,
info->u->bSlaveInterface0);
if (!info->control || !info->data) {
dev_dbg(&intf->dev,
"master #%u/%p slave #%u/%p\n",
info->u->bMasterInterface0,
info->control,
info->u->bSlaveInterface0,
info->data);
/* fall back to hard-wiring for RNDIS */
if (rndis) {
android_rndis_quirk = true;
goto skip;
}
goto bad_desc;
}
if (info->control != intf) {
dev_dbg(&intf->dev, "bogus CDC Union\n");
/* Ambit USB Cable Modem (and maybe others)
* interchanges master and slave interface.
*/
if (info->data == intf) {
info->data = info->control;
info->control = intf;
} else
goto bad_desc;
}
/* some devices merge these - skip class check */
if (info->control == info->data)
goto skip;
/* a data interface altsetting does the real i/o */
d = &info->data->cur_altsetting->desc;
if (d->bInterfaceClass != USB_CLASS_CDC_DATA) {
dev_dbg(&intf->dev, "slave class %u\n",
d->bInterfaceClass);
goto bad_desc;
}
skip:
if ( rndis &&
header.usb_cdc_acm_descriptor &&
header.usb_cdc_acm_descriptor->bmCapabilities) {
dev_dbg(&intf->dev,
"ACM capabilities %02x, not really RNDIS?\n",
header.usb_cdc_acm_descriptor->bmCapabilities);
goto bad_desc;
}
if (header.usb_cdc_ether_desc) {
dev->hard_mtu = le16_to_cpu(info->ether->wMaxSegmentSize);
/* because of Zaurus, we may be ignoring the host
* side link address we were given.
*/
}
if (header.usb_cdc_mdlm_desc &&
memcmp(header.usb_cdc_mdlm_desc->bGUID, mbm_guid, 16)) {
dev_dbg(&intf->dev, "GUID doesn't match\n");
goto bad_desc;
}
if (header.usb_cdc_mdlm_detail_desc &&
header.usb_cdc_mdlm_detail_desc->bLength <
(sizeof(struct usb_cdc_mdlm_detail_desc) + 1)) {
dev_dbg(&intf->dev, "Descriptor too short\n");
goto bad_desc;
}
/* Microsoft ActiveSync based and some regular RNDIS devices lack the
* CDC descriptors, so we'll hard-wire the interfaces and not check
* for descriptors.
*
* Some Android RNDIS devices have a CDC Union descriptor pointing
* to non-existing interfaces. Ignore that and attempt the same
* hard-wired 0 and 1 interfaces.
*/
if (rndis && (!info->u || android_rndis_quirk)) {
info->control = usb_ifnum_to_if(dev->udev, 0);
info->data = usb_ifnum_to_if(dev->udev, 1);
if (!info->control || !info->data || info->control != intf) {
dev_dbg(&intf->dev,
"rndis: master #0/%p slave #1/%p\n",
info->control,
info->data);
goto bad_desc;
}
} else if (!info->header || (!rndis && !info->ether)) {
dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n",
info->header ? "" : "header ",
info->u ? "" : "union ",
info->ether ? "" : "ether ");
goto bad_desc;
}
/* claim data interface and set it up ... with side effects.
* network traffic can't flow until an altsetting is enabled.
*/
if (info->data != info->control) {
status = usb_driver_claim_interface(driver, info->data, dev);
if (status < 0)
return status;
}
status = usbnet_get_endpoints(dev, info->data);
if (status < 0) {
/* ensure immediate exit from usbnet_disconnect */
usb_set_intfdata(info->data, NULL);
if (info->data != info->control)
usb_driver_release_interface(driver, info->data);
return status;
}
/* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */
if (info->data != info->control)
dev->status = NULL;
if (info->control->cur_altsetting->desc.bNumEndpoints == 1) {
struct usb_endpoint_descriptor *desc;
dev->status = &info->control->cur_altsetting->endpoint [0];
desc = &dev->status->desc;
if (!usb_endpoint_is_int_in(desc) ||
(le16_to_cpu(desc->wMaxPacketSize)
< sizeof(struct usb_cdc_notification)) ||
!desc->bInterval) {
dev_dbg(&intf->dev, "bad notification endpoint\n");
dev->status = NULL;
}
}
if (rndis && !dev->status) {
dev_dbg(&intf->dev, "missing RNDIS status endpoint\n");
usb_set_intfdata(info->data, NULL);
usb_driver_release_interface(driver, info->data);
return -ENODEV;
}
/* Some devices don't initialise properly. In particular
* the packet filter is not reset. There are devices that
* don't do reset all the way. So the packet filter should
* be set to a sane initial value.
*/
usbnet_cdc_update_filter(dev);
return 0;
bad_desc:
dev_info(&dev->udev->dev, "bad CDC descriptors\n");
return -ENODEV;
}
EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind);
void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf)
{
struct cdc_state *info = (void *) &dev->data;
struct usb_driver *driver = driver_of(intf);
/* combined interface - nothing to do */
if (info->data == info->control)
return;
/* disconnect master --> disconnect slave */
if (intf == info->control && info->data) {
/* ensure immediate exit from usbnet_disconnect */
usb_set_intfdata(info->data, NULL);
usb_driver_release_interface(driver, info->data);
info->data = NULL;
}
/* and vice versa (just in case) */
else if (intf == info->data && info->control) {
/* ensure immediate exit from usbnet_disconnect */
usb_set_intfdata(info->control, NULL);
usb_driver_release_interface(driver, info->control);
info->control = NULL;
}
}
EXPORT_SYMBOL_GPL(usbnet_cdc_unbind);
/* Communications Device Class, Ethernet Control model
*
* Takes two interfaces. The DATA interface is inactive till an altsetting
* is selected. Configuration data includes class descriptors. There's
* an optional status endpoint on the control interface.
*
* This should interop with whatever the 2.4 "CDCEther.c" driver
* (by Brad Hards) talked with, with more functionality.
*/
static void dumpspeed(struct usbnet *dev, __le32 *speeds)
{
netif_info(dev, timer, dev->net,
"link speeds: %u kbps up, %u kbps down\n",
__le32_to_cpu(speeds[0]) / 1000,
__le32_to_cpu(speeds[1]) / 1000);
}
void usbnet_cdc_status(struct usbnet *dev, struct urb *urb)
{
struct usb_cdc_notification *event;
if (urb->actual_length < sizeof(*event))
return;
/* SPEED_CHANGE can get split into two 8-byte packets */
if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) {
dumpspeed(dev, (__le32 *) urb->transfer_buffer);
return;
}
event = urb->transfer_buffer;
switch (event->bNotificationType) {
case USB_CDC_NOTIFY_NETWORK_CONNECTION:
netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n",
event->wValue ? "on" : "off");
usbnet_link_change(dev, !!event->wValue, 0);
break;
case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */
netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n",
urb->actual_length);
if (urb->actual_length != (sizeof(*event) + 8))
set_bit(EVENT_STS_SPLIT, &dev->flags);
else
dumpspeed(dev, (__le32 *) &event[1]);
break;
/* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS),
* but there are no standard formats for the response data.
*/
default:
netdev_err(dev->net, "CDC: unexpected notification %02x!\n",
event->bNotificationType);
break;
}
}
EXPORT_SYMBOL_GPL(usbnet_cdc_status);
int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
{
int status;
struct cdc_state *info = (void *) &dev->data;
BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data)
< sizeof(struct cdc_state)));
status = usbnet_generic_cdc_bind(dev, intf);
if (status < 0)
return status;
status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress);
if (status < 0) {
usb_set_intfdata(info->data, NULL);
usb_driver_release_interface(driver_of(intf), info->data);
return status;
}
return 0;
}
EXPORT_SYMBOL_GPL(usbnet_cdc_bind);
static const struct driver_info cdc_info = {
.description = "CDC Ethernet Device",
.flags = FLAG_ETHER | FLAG_POINTTOPOINT,
.bind = usbnet_cdc_bind,
.unbind = usbnet_cdc_unbind,
.status = usbnet_cdc_status,
.set_rx_mode = usbnet_cdc_update_filter,
.manage_power = usbnet_manage_power,
};
static const struct driver_info wwan_info = {
.description = "Mobile Broadband Network Device",
.flags = FLAG_WWAN,
.bind = usbnet_cdc_bind,
.unbind = usbnet_cdc_unbind,
.status = usbnet_cdc_status,
.set_rx_mode = usbnet_cdc_update_filter,
.manage_power = usbnet_manage_power,
};
/*-------------------------------------------------------------------------*/
#define HUAWEI_VENDOR_ID 0x12D1
#define NOVATEL_VENDOR_ID 0x1410
#define ZTE_VENDOR_ID 0x19D2
#define DELL_VENDOR_ID 0x413C
#define REALTEK_VENDOR_ID 0x0bda
#define SAMSUNG_VENDOR_ID 0x04e8
#define LENOVO_VENDOR_ID 0x17ef
#define NVIDIA_VENDOR_ID 0x0955
static const struct usb_device_id products[] = {
/* BLACKLIST !!
*
* First blacklist any products that are egregiously nonconformant
* with the CDC Ethernet specs. Minor braindamage we cope with; when
* they're not even trying, needing a separate driver is only the first
* of the differences to show up.
*/
#define ZAURUS_MASTER_INTERFACE \
.bInterfaceClass = USB_CLASS_COMM, \
.bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
.bInterfaceProtocol = USB_CDC_PROTO_NONE
/* SA-1100 based Sharp Zaurus ("collie"), or compatible;
* wire-incompatible with true CDC Ethernet implementations.
* (And, it seems, needlessly so...)
*/
{
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0x04DD,
.idProduct = 0x8004,
ZAURUS_MASTER_INTERFACE,
.driver_info = 0,
},
/* PXA-25x based Sharp Zaurii. Note that it seems some of these
* (later models especially) may have shipped only with firmware
* advertising false "CDC MDLM" compatibility ... but we're not
* clear which models did that, so for now let's assume the worst.
*/
{
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0x04DD,
.idProduct = 0x8005, /* A-300 */
ZAURUS_MASTER_INTERFACE,
.driver_info = 0,
}, {
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0x04DD,
.idProduct = 0x8006, /* B-500/SL-5600 */
ZAURUS_MASTER_INTERFACE,
.driver_info = 0,
}, {
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0x04DD,
.idProduct = 0x8007, /* C-700 */
ZAURUS_MASTER_INTERFACE,
.driver_info = 0,
}, {
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0x04DD,
.idProduct = 0x9031, /* C-750 C-760 */
ZAURUS_MASTER_INTERFACE,
.driver_info = 0,
}, {
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0x04DD,
.idProduct = 0x9032, /* SL-6000 */
ZAURUS_MASTER_INTERFACE,
.driver_info = 0,
}, {
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0x04DD,
/* reported with some C860 units */
.idProduct = 0x9050, /* C-860 */
ZAURUS_MASTER_INTERFACE,
.driver_info = 0,
},
/* Olympus has some models with a Zaurus-compatible option.
* R-1000 uses a FreeScale i.MXL cpu (ARMv4T)
*/
{
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0x07B4,
.idProduct = 0x0F02, /* R-1000 */
ZAURUS_MASTER_INTERFACE,
.driver_info = 0,
},
/* LG Electronics VL600 wants additional headers on every frame */
{
USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},
/* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */
{
USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
.driver_info = 0,
},
/* Novatel USB551L and MC551 - handled by qmi_wwan */
{
USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},
/* Novatel E362 - handled by qmi_wwan */
{
USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},
/* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */
{
USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},
/* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */
{
USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},
/* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */
{
USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},
/* Novatel Expedite E371 - handled by qmi_wwan */
{
USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9011, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},
/* AnyDATA ADU960S - handled by qmi_wwan */
{
USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},
/* Huawei E1820 - handled by qmi_wwan */
{
USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1),
.driver_info = 0,
},
/* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */
{
USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},
/* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */
{
USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},
/* Samsung USB Ethernet Adapters */
{
USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, 0xa101, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},
/* Lenovo Thinkpad USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */
{
USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x7205, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},
/* NVIDIA Tegra USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */
{
USB_DEVICE_AND_INTERFACE_INFO(NVIDIA_VENDOR_ID, 0x09ff, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},
/* WHITELIST!!!
*
* CDC Ether uses two interfaces, not necessarily consecutive.
* We match the main interface, ignoring the optional device
* class so we could handle devices that aren't exclusively
* CDC ether.
*
* NOTE: this match must come AFTER entries blacklisting devices
* because of bugs/quirks in a given product (like Zaurus, above).
*/
{
/* ZTE (Vodafone) K3805-Z */
USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&wwan_info,
}, {
/* ZTE (Vodafone) K3806-Z */
USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&wwan_info,
}, {
/* ZTE (Vodafone) K4510-Z */
USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&wwan_info,
}, {
/* ZTE (Vodafone) K3770-Z */
USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&wwan_info,
}, {
/* ZTE (Vodafone) K3772-Z */
USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&wwan_info,
}, {
/* Telit modules */
USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = (kernel_ulong_t) &wwan_info,
}, {
/* Dell DW5580 modules */
USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x81ba, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = (kernel_ulong_t)&wwan_info,
}, {
USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long) &cdc_info,
}, {
USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long)&wwan_info,
}, {
/* Various Huawei modems with a network port like the UMG1831 */
USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, 255),
.driver_info = (unsigned long)&wwan_info,
},
{ }, /* END */
};
MODULE_DEVICE_TABLE(usb, products);
static struct usb_driver cdc_driver = {
.name = "cdc_ether",
.id_table = products,
.probe = usbnet_probe,
.disconnect = usbnet_disconnect,
.suspend = usbnet_suspend,
.resume = usbnet_resume,
.reset_resume = usbnet_resume,
.supports_autosuspend = 1,
.disable_hub_initiated_lpm = 1,
};
module_usb_driver(cdc_driver);
MODULE_AUTHOR("David Brownell");
MODULE_DESCRIPTION("USB CDC Ethernet devices");
MODULE_LICENSE("GPL");
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