Orange Pi5 kernel

// 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 == 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);
}
 
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] = {
<------>0xa3, 0x17, 0xa8, 0x8b, 0x04, 0x5e, 0x4f, 0x01,
<------>0xa6, 0x07, 0xc0, 0xff, 0xcb, 0x7e, 0x39, 0x2a,
};
 
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);
 
/* 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) ||
<------><------> 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:
<------>/* Communcation 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;
<------>}
 
<------>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 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_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] & 0x02))
<------><------>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.
 */
static int usbnet_cdc_zte_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
{
<------>if (skb->len < ETH_HLEN || !(skb->data[0] & 0x02))
<------><------>return 1;
 
<------>skb_reset_mac_header(skb);
<------>ether_addr_copy(eth_hdr(skb)->h_dest, dev->net->dev_addr);
 
<------>return 1;
}
 
/* 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	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 LINKSYS_VENDOR_ID	0x13b1
#define NVIDIA_VENDOR_ID	0x0955
#define HP_VENDOR_ID		0x03f0
#define MICROSOFT_VENDOR_ID	0x045e
#define UBLOX_VENDOR_ID		0x1546
#define TPLINK_VENDOR_ID	0x2357
#define AQUANTIA_VENDOR_ID	0x2eca
#define ASIX_VENDOR_ID		0x0b95
 
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		= 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,
<------>.idProduct              = 0x9032,	/* SL-6000 */
<------>ZAURUS_FAKE_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,
},
 
/* HP lt2523 (Novatel E371) - handled by qmi_wwan */
{
<------>USB_DEVICE_AND_INTERFACE_INFO(HP_VENDOR_ID, 0x421d, 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,
},
 
#if IS_ENABLED(CONFIG_USB_RTL8152)
/* Linksys USB3GIGV1 Ethernet Adapter */
{
<------>USB_DEVICE_AND_INTERFACE_INFO(LINKSYS_VENDOR_ID, 0x0041, USB_CLASS_COMM,
<------><------><------>USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
<------>.driver_info = 0,
},
#endif
 
/* ThinkPad USB-C Dock (based on Realtek RTL8153) */
{
<------>USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x3062, USB_CLASS_COMM,
<------><------><------>USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
<------>.driver_info = 0,
},
 
/* ThinkPad Thunderbolt 3 Dock (based on Realtek RTL8153) */
{
<------>USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x3069, USB_CLASS_COMM,
<------><------><------>USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
<------>.driver_info = 0,
},
 
/* ThinkPad Thunderbolt 3 Dock Gen 2 (based on Realtek RTL8153) */
{
<------>USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x3082, 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,
},
 
/* Lenovo USB C to Ethernet Adapter (based on Realtek RTL8153) */
{
<------>USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x720c, USB_CLASS_COMM,
<------><------><------>USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
<------>.driver_info = 0,
},
 
/* Lenovo USB-C Travel Hub (based on Realtek RTL8153) */
{
<------>USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x7214, 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, 0x721e, USB_CLASS_COMM,
<------><------><------>USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
<------>.driver_info = 0,
},
 
/* ThinkPad USB-C Dock Gen 2 (based on Realtek RTL8153) */
{
<------>USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0xa387, 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,
},
 
/* Microsoft Surface 2 dock (based on Realtek RTL8152) */
{
<------>USB_DEVICE_AND_INTERFACE_INFO(MICROSOFT_VENDOR_ID, 0x07ab, USB_CLASS_COMM,
<------><------><------>USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
<------>.driver_info = 0,
},
 
/* Microsoft Surface Ethernet Adapter (based on Realtek RTL8153) */
{
<------>USB_DEVICE_AND_INTERFACE_INFO(MICROSOFT_VENDOR_ID, 0x07c6, USB_CLASS_COMM,
<------><------><------>USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
<------>.driver_info = 0,
},
 
/* Microsoft Surface Ethernet Adapter (based on Realtek RTL8153B) */
{
<------>USB_DEVICE_AND_INTERFACE_INFO(MICROSOFT_VENDOR_ID, 0x0927, USB_CLASS_COMM,
<------><------><------>USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
<------>.driver_info = 0,
},
 
/* TP-LINK UE300 USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */
{
<------>USB_DEVICE_AND_INTERFACE_INFO(TPLINK_VENDOR_ID, 0x0601, 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, 0xc101,
<------><------><------><------>      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, 0x2790, 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, 0x2791, 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(0x20f4, 0xe05a, 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(0x1c04, 0x0015, 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,
}, {
<------>/* Huawei ME906 and ME909 */
<------>USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x15c1, 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, 0x1143, 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, 0x1104, 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(0x1e2d, 0x0061, 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(0x1e2d, 0x0055, 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");