text: /*
   * 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, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  // #define	DEBUG			// error path messages, extra info
  // #define	VERBOSE			// more; success messages
  
  #include <linux/module.h>
  #include <linux/init.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 defined(CONFIG_USB_NET_RNDIS_HOST) || defined(CONFIG_USB_NET_RNDIS_HOST_MODULE)
  
  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
  
  /*
   * 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;
  	struct usb_driver		*driver = driver_of(intf);
  
  	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;
  		if (len)
  			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;
  	while (len > 3) {
  		if (buf [1] != USB_DT_CS_INTERFACE)
  			goto next_desc;
  
  		/* use bDescriptorSubType to identify the CDC descriptors.
  		 * We expect devices with CDC header and union descriptors.
  		 * For CDC Ethernet we need the ethernet descriptor.
  		 * For RNDIS, ignore two (pointless) CDC modem descriptors
  		 * in favor of a complicated OID-based RPC scheme doing what
  		 * CDC Ethernet achieves with a simple descriptor.
  		 */
  		switch (buf [2]) {
  		case USB_CDC_HEADER_TYPE:
  			if (info->header) {
  				dev_dbg(&intf->dev, "extra CDC header\n");
  				goto bad_desc;
  			}
  			info->header = (void *) buf;
  			if (info->header->bLength != sizeof *info->header) {
  				dev_dbg(&intf->dev, "CDC header len %u\n",
  					info->header->bLength);
  				goto bad_desc;
  			}
  			break;
  		case USB_CDC_ACM_TYPE:
  			/* paranoia:  disambiguate a "real" vendor-specific
  			 * modem interface from an RNDIS non-modem.
  			 */
  			if (rndis) {
  				struct usb_cdc_acm_descriptor *acm;
  
  				acm = (void *) buf;
  				if (acm->bmCapabilities) {
  					dev_dbg(&intf->dev,
  						"ACM capabilities %02x, "
  						"not really RNDIS?\n",
  						acm->bmCapabilities);
  					goto bad_desc;
  				}
  			}
  			break;
  		case USB_CDC_UNION_TYPE:
  			if (info->u) {
  				dev_dbg(&intf->dev, "extra CDC union\n");
  				goto bad_desc;
  			}
  			info->u = (void *) buf;
  			if (info->u->bLength != sizeof *info->u) {
  				dev_dbg(&intf->dev, "CDC union len %u\n",
  					info->u->bLength);
  				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);
  				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;
  			}
  
  			/* 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;
  			}
  			break;
  		case USB_CDC_ETHERNET_TYPE:
  			if (info->ether) {
  				dev_dbg(&intf->dev, "extra CDC ether\n");
  				goto bad_desc;
  			}
  			info->ether = (void *) buf;
  			if (info->ether->bLength != sizeof *info->ether) {
  				dev_dbg(&intf->dev, "CDC ether len %u\n",
  					info->ether->bLength);
  				goto bad_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.
  			 */
  			break;
  		}
  next_desc:
  		len -= buf [0];	/* bLength */
  		buf += buf [0];
  	}
  
  	/* Microsoft ActiveSync based and some regular RNDIS devices lack the
  	 * CDC descriptors, so we'll hard-wire the interfaces and not check
  	 * for descriptors.
  	 */
  	if (rndis && !info->u) {
  		info->control = usb_ifnum_to_if(dev->udev, 0);
  		info->data = usb_ifnum_to_if(dev->udev, 1);
  		if (!info->control || !info->data) {
  			dev_dbg(&intf->dev,
  				"rndis: master #0/%p slave #1/%p\n",
  				info->control,
  				info->data);
  			goto bad_desc;
  		}
  
  	} else if (!info->header || !info->u || (!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.
  	 */
  	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);
  		usb_driver_release_interface(driver, info->data);
  		return status;
  	}
  
  	/* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */
  	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);
  
  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);
  
  	/* 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);
  }
  
  static void 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");
  		if (event->wValue)
  			netif_carrier_on(dev->net);
  		else
  			netif_carrier_off(dev->net);
  		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;
  	}
  }
  
  static int cdc_bind(struct usbnet *dev, struct usb_interface *intf)
  {
  	int				status;
  	struct cdc_state		*info = (void *) &dev->data;
  
  	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;
  	}
  
  	/* FIXME cdc-ether has some multicast code too, though it complains
  	 * in routine cases.  info->ether describes the multicast support.
  	 * Implement that here, manipulating the cdc filter as needed.
  	 */
  	return 0;
  }
  
  static int cdc_manage_power(struct usbnet *dev, int on)
  {
  	dev->intf->needs_remote_wakeup = on;
  	return 0;
  }
  
  static const struct driver_info	cdc_info = {
  	.description =	"CDC Ethernet Device",
  	.flags =	FLAG_ETHER,
  	// .check_connect = cdc_check_connect,
  	.bind =		cdc_bind,
  	.unbind =	usbnet_cdc_unbind,
  	.status =	cdc_status,
  	.manage_power =	cdc_manage_power,
  };
  
  static const struct driver_info mbm_info = {
  	.description =	"Mobile Broadband Network Device",
  	.flags =	FLAG_WWAN,
  	.bind = 	cdc_bind,
  	.unbind =	usbnet_cdc_unbind,
  	.status =	cdc_status,
  	.manage_power =	cdc_manage_power,
  };
  
  /*-------------------------------------------------------------------------*/
  
  
  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,
  },
  
  /*
   * 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).
   */
  {
  	USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,
  			USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &cdc_info,
  }, {
  	/* Ericsson F3507g */
  	USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1900, USB_CLASS_COMM,
  			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &mbm_info,
  }, {
  	/* Ericsson F3507g ver. 2 */
  	USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1902, USB_CLASS_COMM,
  			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &mbm_info,
  }, {
  	/* Ericsson F3607gw */
  	USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1904, USB_CLASS_COMM,
  			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &mbm_info,
  }, {
  	/* Ericsson F3607gw ver 2 */
  	USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1905, USB_CLASS_COMM,
  			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &mbm_info,
  }, {
  	/* Ericsson F3607gw ver 3 */
  	USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1906, USB_CLASS_COMM,
  			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &mbm_info,
  }, {
  	/* Ericsson F3307 */
  	USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x190a, USB_CLASS_COMM,
  			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &mbm_info,
  }, {
  	/* Ericsson F3307 ver 2 */
  	USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1909, USB_CLASS_COMM,
  			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &mbm_info,
  }, {
  	/* Ericsson C3607w */
  	USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1049, USB_CLASS_COMM,
  			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &mbm_info,
  }, {
  	/* Ericsson C3607w ver 2 */
  	USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x190b, USB_CLASS_COMM,
  			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &mbm_info,
  }, {
  	/* Toshiba F3507g */
  	USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x130b, USB_CLASS_COMM,
  			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &mbm_info,
  }, {
  	/* Toshiba F3607gw */
  	USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x130c, USB_CLASS_COMM,
  			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &mbm_info,
  }, {
  	/* Toshiba F3607gw ver 2 */
  	USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x1311, USB_CLASS_COMM,
  			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &mbm_info,
  }, {
  	/* Dell F3507g */
  	USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x8147, USB_CLASS_COMM,
  			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &mbm_info,
  }, {
  	/* Dell F3607gw */
  	USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x8183, USB_CLASS_COMM,
  			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &mbm_info,
  }, {
  	/* Dell F3607gw ver 2 */
  	USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x8184, USB_CLASS_COMM,
  			USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
  	.driver_info = (unsigned long) &mbm_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,
  };
  
  
  static int __init cdc_init(void)
  {
  	BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data)
  			< sizeof(struct cdc_state)));
  
   	return usb_register(&cdc_driver);
  }
  module_init(cdc_init);
  
  static void __exit cdc_exit(void)
  {
   	usb_deregister(&cdc_driver);
  }
  module_exit(cdc_exit);
  
  MODULE_AUTHOR("David Brownell");
  MODULE_DESCRIPTION("USB CDC Ethernet devices");
  MODULE_LICENSE("GPL");
  