// SPDX-License-Identifier: GPL-2.0-or-later
/*
* CDC Ethernet based networking peripherals
* Copyright ( C ) 2003 - 2005 by David Brownell
* Copyright ( C ) 2006 by Ole Andre Vadla Ravnas ( ActiveSync )
*/
// #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 == 0 xff);
}
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 );
}
static int is_novatel_rndis(struct usb_interface_descriptor *desc)
{
return (desc->bInterfaceClass == USB_CLASS_MISC &&
desc->bInterfaceSubClass == 4 &&
desc->bInterfaceProtocol == 1 );
}
#else
#define is_rndis(desc) 0
#define is_activesync(desc) 0
#define is_wireless_rndis(desc) 0
#define is_novatel_rndis(desc) 0
#endif
static const u8 mbm_guid[16 ] = {
0 xa3, 0 x17, 0 xa8, 0 x8b, 0 x04, 0 x5e, 0 x4f, 0 x01,
0 xa6, 0 x07, 0 xc0, 0 xff, 0 xcb, 0 x7e, 0 x39, 0 x2a,
};
void usbnet_cdc_update_filter(struct usbnet *dev)
{
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,
dev->intf->cur_altsetting->desc.bInterfaceNumber,
NULL,
0 ,
USB_CTRL_SET_TIMEOUT
);
}
EXPORT_SYMBOL_GPL(usbnet_cdc_update_filter);
/* We need to override usbnet_*_link_ksettings in bind() */
static const struct ethtool_ops cdc_ether_ethtool_ops = {
.get_link = usbnet_get_link,
.nway_reset = usbnet_nway_reset,
.get_drvinfo = usbnet_get_drvinfo,
.get_msglevel = usbnet_get_msglevel,
.set_msglevel = usbnet_set_msglevel,
.get_ts_info = ethtool_op_get_ts_info,
.get_link_ksettings = usbnet_get_link_ksettings_internal,
.set_link_ksettings = NULL,
};
/* 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 2 Wire 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) ||
is_novatel_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:
/* Communication class functions with bmCapabilities are not
* RNDIS . But some Wireless class RNDIS functions use
* bmCapabilities for their own purpose . The failsafe is
* therefore applied only to Communication class RNDIS
* functions . The rndis test is redundant , but a cheap
* optimization .
*/
if (rndis && is_rndis(&intf->cur_altsetting->desc) &&
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 && info->ether->wMaxSegmentSize) {
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;
}
/* override ethtool_ops */
dev->net->ethtool_ops = &cdc_ether_ethtool_ops;
return 0 ;
bad_desc:
dev_info(&dev->udev->dev, "bad CDC descriptors\n" );
return -ENODEV;
}
EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind);
/* like usbnet_generic_cdc_bind() but handles filter initialization
* correctly
*/
int usbnet_ether_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
{
int rv;
rv = usbnet_generic_cdc_bind(dev, intf);
if (rv < 0 )
goto bail_out;
/* 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);
bail_out:
return rv;
}
EXPORT_SYMBOL_GPL(usbnet_ether_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 speed_change(struct usbnet *dev, __le32 *speeds)
{
dev->tx_speed = __le32_to_cpu(speeds[0 ]);
dev->rx_speed = __le32_to_cpu(speeds[1 ]);
}
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)) {
speed_change(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" );
if (netif_carrier_ok(dev->net) != !!event->wValue)
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
speed_change(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_ether_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 int usbnet_cdc_zte_bind(struct usbnet *dev, struct usb_interface *intf)
{
int status = usbnet_cdc_bind(dev, intf);
if (!status && (dev->net->dev_addr[0 ] & 0 x02))
eth_hw_addr_random(dev->net);
return status;
}
/* Make sure packets have correct destination MAC address
*
* A firmware bug observed on some devices ( ZTE MF823 / 831 / 910 ) is that the
* device sends packets with a static , bogus , random MAC address ( event if
* device MAC address has been updated ) . Always set MAC address to that of the
* device .
*/
int usbnet_cdc_zte_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
{
if (skb->len < ETH_HLEN || !(skb->data[0 ] & 0 x02))
return 1 ;
skb_reset_mac_header(skb);
ether_addr_copy(eth_hdr(skb)->h_dest, dev->net->dev_addr);
return 1 ;
}
EXPORT_SYMBOL_GPL(usbnet_cdc_zte_rx_fixup);
/* Ensure correct link state
*
* Some devices ( ZTE MF823 / 831 / 910 ) export two carrier on notifications when
* connected . This causes the link state to be incorrect . Work around this by
* always setting the state to off , then on .
*/
static void usbnet_cdc_zte_status(struct usbnet *dev, struct urb *urb)
{
struct usb_cdc_notification *event;
if (urb->actual_length < sizeof (*event))
return ;
event = urb->transfer_buffer;
if (event->bNotificationType != USB_CDC_NOTIFY_NETWORK_CONNECTION) {
usbnet_cdc_status(dev, urb);
return ;
}
netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n" ,
event->wValue ? "on" : "off" );
if (event->wValue &&
netif_carrier_ok(dev->net))
netif_carrier_off(dev->net);
usbnet_link_change(dev, !!event->wValue, 0 );
}
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 zte_cdc_info = {
.description = "ZTE CDC Ethernet Device" ,
.flags = FLAG_ETHER | FLAG_POINTTOPOINT,
.bind = usbnet_cdc_zte_bind,
.unbind = usbnet_cdc_unbind,
.status = usbnet_cdc_zte_status,
.set_rx_mode = usbnet_cdc_update_filter,
.manage_power = usbnet_manage_power,
.rx_fixup = usbnet_cdc_zte_rx_fixup,
};
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 0 x12D1
#define NOVATEL_VENDOR_ID 0 x1410
#define ZTE_VENDOR_ID 0 x19D2
#define DELL_VENDOR_ID 0 x413C
#define REALTEK_VENDOR_ID 0 x0bda
#define SAMSUNG_VENDOR_ID 0 x04e8
#define LENOVO_VENDOR_ID 0 x17ef
#define LINKSYS_VENDOR_ID 0 x13b1
#define NVIDIA_VENDOR_ID 0 x0955
#define HP_VENDOR_ID 0 x03f0
#define MICROSOFT_VENDOR_ID 0 x045e
#define UBLOX_VENDOR_ID 0 x1546
#define TPLINK_VENDOR_ID 0 x2357
#define AQUANTIA_VENDOR_ID 0 x2eca
#define ASIX_VENDOR_ID 0 x0b95
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
#define ZAURUS_FAKE_INTERFACE \
.bInterfaceClass = USB_CLASS_COMM, \
.bInterfaceSubClass = USB_CDC_SUBCLASS_MDLM, \
.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 = 0 x04DD,
.idProduct = 0 x8004,
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 = 0 x04DD,
.idProduct = 0 x8005, /* A-300 */
ZAURUS_MASTER_INTERFACE,
.driver_info = 0 ,
}, {
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0 x04DD,
.idProduct = 0 x8005, /* A-300 */
ZAURUS_FAKE_INTERFACE,
.driver_info = 0 ,
}, {
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0 x04DD,
.idProduct = 0 x8006, /* B-500/SL-5600 */
ZAURUS_MASTER_INTERFACE,
.driver_info = 0 ,
}, {
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0 x04DD,
.idProduct = 0 x8006, /* B-500/SL-5600 */
ZAURUS_FAKE_INTERFACE,
.driver_info = 0 ,
}, {
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0 x04DD,
.idProduct = 0 x8007, /* C-700 */
ZAURUS_MASTER_INTERFACE,
.driver_info = 0 ,
}, {
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0 x04DD,
.idProduct = 0 x8007, /* C-700 */
ZAURUS_FAKE_INTERFACE,
.driver_info = 0 ,
}, {
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0 x04DD,
.idProduct = 0 x9031, /* C-750 C-760 */
ZAURUS_MASTER_INTERFACE,
.driver_info = 0 ,
}, {
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0 x04DD,
.idProduct = 0 x9032, /* SL-6000 */
ZAURUS_MASTER_INTERFACE,
.driver_info = 0 ,
}, {
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0 x04DD,
.idProduct = 0 x9032, /* SL-6000 */
ZAURUS_FAKE_INTERFACE,
.driver_info = 0 ,
}, {
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_DEVICE,
.idVendor = 0 x04DD,
/* reported with some C860 units */
.idProduct = 0 x9050, /* 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 = 0 x07B4,
.idProduct = 0 x0F02, /* R-1000 */
ZAURUS_MASTER_INTERFACE,
.driver_info = 0 ,
},
/* LG Electronics VL600 wants additional headers on every frame */
{
USB_DEVICE_AND_INTERFACE_INFO(0 x1004, 0 x61aa, 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(0 x046d, 0 xc11f, 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, 0 xB001, 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, 0 x9010, 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, 0 x8195, 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, 0 x8196, 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, 0 x819b, 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, 0 x9011, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0 ,
},
/* HP lt2523 (Novatel E371) - handled by qmi_wwan */
{
USB_DEVICE_AND_INTERFACE_INFO(HP_VENDOR_ID, 0 x421d, 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(0 x16d5, 0 x650a, 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, 0 x14ac, 1 ),
.driver_info = 0 ,
},
/* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */
{
USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0 x8153, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0 ,
},
/* Lenovo Powered USB-C Travel Hub (4X90S92381, based on Realtek RTL8153) */
{
USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0 x721e, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0 ,
},
/* Lenovo ThinkPad Hybrid USB-C with USB-A Dock (40af0135eu, based on Realtek RTL8153) */
{
USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0 xa359, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0 ,
},
/* Aquantia AQtion USB to 5GbE Controller (based on AQC111U) */
{
USB_DEVICE_AND_INTERFACE_INFO(AQUANTIA_VENDOR_ID, 0 xc101,
USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = 0 ,
},
/* ASIX USB 3.1 Gen1 to 5G Multi-Gigabit Ethernet Adapter(based on AQC111U) */
{
USB_DEVICE_AND_INTERFACE_INFO(ASIX_VENDOR_ID, 0 x2790, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = 0 ,
},
/* ASIX USB 3.1 Gen1 to 2.5G Multi-Gigabit Ethernet Adapter(based on AQC112U) */
{
USB_DEVICE_AND_INTERFACE_INFO(ASIX_VENDOR_ID, 0 x2791, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = 0 ,
},
/* USB-C 3.1 to 5GBASE-T Ethernet Adapter (based on AQC111U) */
{
USB_DEVICE_AND_INTERFACE_INFO(0 x20f4, 0 xe05a, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = 0 ,
},
/* QNAP QNA-UC5G1T USB to 5GbE Adapter (based on AQC111U) */
{
USB_DEVICE_AND_INTERFACE_INFO(0 x1c04, 0 x0015, 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, 0 x1003, 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, 0 x1015, 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, 0 x1173, 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, 0 x1177, 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, 0 x1181, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long )&wwan_info,
}, {
/* Telit modules */
USB_VENDOR_AND_INTERFACE_INFO(0 x1bc7, 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, 0 x81ba, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = (kernel_ulong_t)&wwan_info,
}, {
/* Huawei ME906 and ME909 */
USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0 x15c1, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long )&wwan_info,
}, {
/* ZTE modules */
USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long )&zte_cdc_info,
}, {
/* U-blox TOBY-L2 */
USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0 x1143, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long )&wwan_info,
}, {
/* U-blox SARA-U2 */
USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0 x1104, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long )&wwan_info,
}, {
/* U-blox LARA-R6 01B */
USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0 x1313, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long )&wwan_info,
}, {
/* U-blox LARA-L6 */
USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0 x1343, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long )&wwan_info,
}, {
/* Cinterion PLS8 modem by GEMALTO */
USB_DEVICE_AND_INTERFACE_INFO(0 x1e2d, 0 x0061, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long )&wwan_info,
}, {
/* Cinterion AHS3 modem by GEMALTO */
USB_DEVICE_AND_INTERFACE_INFO(0 x1e2d, 0 x0055, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long )&wwan_info,
}, {
/* Cinterion PLS62-W modem by GEMALTO/THALES */
USB_DEVICE_AND_INTERFACE_INFO(0 x1e2d, 0 x005b, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long )&wwan_info,
}, {
/* Cinterion PLS83/PLS63 modem by GEMALTO/THALES */
USB_DEVICE_AND_INTERFACE_INFO(0 x1e2d, 0 x0069, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET,
USB_CDC_PROTO_NONE),
.driver_info = (unsigned long )&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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