/* * 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 . */ // #define DEBUG // error path messages, extra info // #define VERBOSE // more; success messages #include #include #include #include #include #include #include #include #include #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; u16 cdc_filter = USB_CDC_PACKET_TYPE_ALL_MULTICAST | USB_CDC_PACKET_TYPE_DIRECTED | USB_CDC_PACKET_TYPE_BROADCAST; if (dev->net->flags & IFF_PROMISC) cdc_filter |= USB_CDC_PACKET_TYPE_PROMISCUOUS; /* 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. */ 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_mdlm_desc *desc = NULL; struct usb_cdc_mdlm_detail_desc *detail = NULL; 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; 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); /* fall back to hard-wiring for RNDIS */ if (rndis) { android_rndis_quirk = true; goto next_desc; } 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 next_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; case USB_CDC_MDLM_TYPE: if (desc) { dev_dbg(&intf->dev, "extra MDLM descriptor\n"); goto bad_desc; } desc = (void *)buf; if (desc->bLength != sizeof(*desc)) goto bad_desc; if (memcmp(&desc->bGUID, mbm_guid, 16)) goto bad_desc; break; case USB_CDC_MDLM_DETAIL_TYPE: if (detail) { dev_dbg(&intf->dev, "extra MDLM detail descriptor\n"); goto bad_desc; } detail = (void *)buf; if (detail->bGuidDescriptorType == 0) { if (detail->bLength < (sizeof(*detail) + 1)) goto bad_desc; } else goto bad_desc; 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. * * 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 || !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. */ 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 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, }, /* 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, }, { 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");