xref: /linux/drivers/net/usb/qmi_wwan.c (revision e5c86679d5e864947a52fb31e45a425dea3e7fa9)
1 /*
2  * Copyright (c) 2012  Bjørn Mork <bjorn@mork.no>
3  *
4  * The probing code is heavily inspired by cdc_ether, which is:
5  * Copyright (C) 2003-2005 by David Brownell
6  * Copyright (C) 2006 by Ole Andre Vadla Ravnas (ActiveSync)
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License
10  * version 2 as published by the Free Software Foundation.
11  */
12 
13 #include <linux/module.h>
14 #include <linux/sched/signal.h>
15 #include <linux/netdevice.h>
16 #include <linux/ethtool.h>
17 #include <linux/etherdevice.h>
18 #include <linux/if_arp.h>
19 #include <linux/mii.h>
20 #include <linux/rtnetlink.h>
21 #include <linux/usb.h>
22 #include <linux/usb/cdc.h>
23 #include <linux/usb/usbnet.h>
24 #include <linux/usb/cdc-wdm.h>
25 
26 /* This driver supports wwan (3G/LTE/?) devices using a vendor
27  * specific management protocol called Qualcomm MSM Interface (QMI) -
28  * in addition to the more common AT commands over serial interface
29  * management
30  *
31  * QMI is wrapped in CDC, using CDC encapsulated commands on the
32  * control ("master") interface of a two-interface CDC Union
33  * resembling standard CDC ECM.  The devices do not use the control
34  * interface for any other CDC messages.  Most likely because the
35  * management protocol is used in place of the standard CDC
36  * notifications NOTIFY_NETWORK_CONNECTION and NOTIFY_SPEED_CHANGE
37  *
38  * Alternatively, control and data functions can be combined in a
39  * single USB interface.
40  *
41  * Handling a protocol like QMI is out of the scope for any driver.
42  * It is exported as a character device using the cdc-wdm driver as
43  * a subdriver, enabling userspace applications ("modem managers") to
44  * handle it.
45  *
46  * These devices may alternatively/additionally be configured using AT
47  * commands on a serial interface
48  */
49 
50 /* driver specific data */
51 struct qmi_wwan_state {
52 	struct usb_driver *subdriver;
53 	atomic_t pmcount;
54 	unsigned long flags;
55 	struct usb_interface *control;
56 	struct usb_interface *data;
57 };
58 
59 enum qmi_wwan_flags {
60 	QMI_WWAN_FLAG_RAWIP = 1 << 0,
61 };
62 
63 enum qmi_wwan_quirks {
64 	QMI_WWAN_QUIRK_DTR = 1 << 0,	/* needs "set DTR" request */
65 };
66 
67 static void qmi_wwan_netdev_setup(struct net_device *net)
68 {
69 	struct usbnet *dev = netdev_priv(net);
70 	struct qmi_wwan_state *info = (void *)&dev->data;
71 
72 	if (info->flags & QMI_WWAN_FLAG_RAWIP) {
73 		net->header_ops      = NULL;  /* No header */
74 		net->type            = ARPHRD_NONE;
75 		net->hard_header_len = 0;
76 		net->addr_len        = 0;
77 		net->flags           = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST;
78 		netdev_dbg(net, "mode: raw IP\n");
79 	} else if (!net->header_ops) { /* don't bother if already set */
80 		ether_setup(net);
81 		netdev_dbg(net, "mode: Ethernet\n");
82 	}
83 
84 	/* recalculate buffers after changing hard_header_len */
85 	usbnet_change_mtu(net, net->mtu);
86 }
87 
88 static ssize_t raw_ip_show(struct device *d, struct device_attribute *attr, char *buf)
89 {
90 	struct usbnet *dev = netdev_priv(to_net_dev(d));
91 	struct qmi_wwan_state *info = (void *)&dev->data;
92 
93 	return sprintf(buf, "%c\n", info->flags & QMI_WWAN_FLAG_RAWIP ? 'Y' : 'N');
94 }
95 
96 static ssize_t raw_ip_store(struct device *d,  struct device_attribute *attr, const char *buf, size_t len)
97 {
98 	struct usbnet *dev = netdev_priv(to_net_dev(d));
99 	struct qmi_wwan_state *info = (void *)&dev->data;
100 	bool enable;
101 	int ret;
102 
103 	if (strtobool(buf, &enable))
104 		return -EINVAL;
105 
106 	/* no change? */
107 	if (enable == (info->flags & QMI_WWAN_FLAG_RAWIP))
108 		return len;
109 
110 	if (!rtnl_trylock())
111 		return restart_syscall();
112 
113 	/* we don't want to modify a running netdev */
114 	if (netif_running(dev->net)) {
115 		netdev_err(dev->net, "Cannot change a running device\n");
116 		ret = -EBUSY;
117 		goto err;
118 	}
119 
120 	/* let other drivers deny the change */
121 	ret = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev->net);
122 	ret = notifier_to_errno(ret);
123 	if (ret) {
124 		netdev_err(dev->net, "Type change was refused\n");
125 		goto err;
126 	}
127 
128 	if (enable)
129 		info->flags |= QMI_WWAN_FLAG_RAWIP;
130 	else
131 		info->flags &= ~QMI_WWAN_FLAG_RAWIP;
132 	qmi_wwan_netdev_setup(dev->net);
133 	call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev->net);
134 	ret = len;
135 err:
136 	rtnl_unlock();
137 	return ret;
138 }
139 
140 static DEVICE_ATTR_RW(raw_ip);
141 
142 static struct attribute *qmi_wwan_sysfs_attrs[] = {
143 	&dev_attr_raw_ip.attr,
144 	NULL,
145 };
146 
147 static struct attribute_group qmi_wwan_sysfs_attr_group = {
148 	.name = "qmi",
149 	.attrs = qmi_wwan_sysfs_attrs,
150 };
151 
152 /* default ethernet address used by the modem */
153 static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3};
154 
155 static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00};
156 
157 /* Make up an ethernet header if the packet doesn't have one.
158  *
159  * A firmware bug common among several devices cause them to send raw
160  * IP packets under some circumstances.  There is no way for the
161  * driver/host to know when this will happen.  And even when the bug
162  * hits, some packets will still arrive with an intact header.
163  *
164  * The supported devices are only capably of sending IPv4, IPv6 and
165  * ARP packets on a point-to-point link. Any packet with an ethernet
166  * header will have either our address or a broadcast/multicast
167  * address as destination.  ARP packets will always have a header.
168  *
169  * This means that this function will reliably add the appropriate
170  * header iff necessary, provided our hardware address does not start
171  * with 4 or 6.
172  *
173  * Another common firmware bug results in all packets being addressed
174  * to 00:a0:c6:00:00:00 despite the host address being different.
175  * This function will also fixup such packets.
176  */
177 static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
178 {
179 	struct qmi_wwan_state *info = (void *)&dev->data;
180 	bool rawip = info->flags & QMI_WWAN_FLAG_RAWIP;
181 	__be16 proto;
182 
183 	/* This check is no longer done by usbnet */
184 	if (skb->len < dev->net->hard_header_len)
185 		return 0;
186 
187 	switch (skb->data[0] & 0xf0) {
188 	case 0x40:
189 		proto = htons(ETH_P_IP);
190 		break;
191 	case 0x60:
192 		proto = htons(ETH_P_IPV6);
193 		break;
194 	case 0x00:
195 		if (rawip)
196 			return 0;
197 		if (is_multicast_ether_addr(skb->data))
198 			return 1;
199 		/* possibly bogus destination - rewrite just in case */
200 		skb_reset_mac_header(skb);
201 		goto fix_dest;
202 	default:
203 		if (rawip)
204 			return 0;
205 		/* pass along other packets without modifications */
206 		return 1;
207 	}
208 	if (rawip) {
209 		skb->dev = dev->net; /* normally set by eth_type_trans */
210 		skb->protocol = proto;
211 		return 1;
212 	}
213 
214 	if (skb_headroom(skb) < ETH_HLEN)
215 		return 0;
216 	skb_push(skb, ETH_HLEN);
217 	skb_reset_mac_header(skb);
218 	eth_hdr(skb)->h_proto = proto;
219 	eth_zero_addr(eth_hdr(skb)->h_source);
220 fix_dest:
221 	memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN);
222 	return 1;
223 }
224 
225 /* very simplistic detection of IPv4 or IPv6 headers */
226 static bool possibly_iphdr(const char *data)
227 {
228 	return (data[0] & 0xd0) == 0x40;
229 }
230 
231 /* disallow addresses which may be confused with IP headers */
232 static int qmi_wwan_mac_addr(struct net_device *dev, void *p)
233 {
234 	int ret;
235 	struct sockaddr *addr = p;
236 
237 	ret = eth_prepare_mac_addr_change(dev, p);
238 	if (ret < 0)
239 		return ret;
240 	if (possibly_iphdr(addr->sa_data))
241 		return -EADDRNOTAVAIL;
242 	eth_commit_mac_addr_change(dev, p);
243 	return 0;
244 }
245 
246 static const struct net_device_ops qmi_wwan_netdev_ops = {
247 	.ndo_open		= usbnet_open,
248 	.ndo_stop		= usbnet_stop,
249 	.ndo_start_xmit		= usbnet_start_xmit,
250 	.ndo_tx_timeout		= usbnet_tx_timeout,
251 	.ndo_change_mtu		= usbnet_change_mtu,
252 	.ndo_set_mac_address	= qmi_wwan_mac_addr,
253 	.ndo_validate_addr	= eth_validate_addr,
254 };
255 
256 /* using a counter to merge subdriver requests with our own into a
257  * combined state
258  */
259 static int qmi_wwan_manage_power(struct usbnet *dev, int on)
260 {
261 	struct qmi_wwan_state *info = (void *)&dev->data;
262 	int rv;
263 
264 	dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__,
265 		atomic_read(&info->pmcount), on);
266 
267 	if ((on && atomic_add_return(1, &info->pmcount) == 1) ||
268 	    (!on && atomic_dec_and_test(&info->pmcount))) {
269 		/* need autopm_get/put here to ensure the usbcore sees
270 		 * the new value
271 		 */
272 		rv = usb_autopm_get_interface(dev->intf);
273 		dev->intf->needs_remote_wakeup = on;
274 		if (!rv)
275 			usb_autopm_put_interface(dev->intf);
276 	}
277 	return 0;
278 }
279 
280 static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on)
281 {
282 	struct usbnet *dev = usb_get_intfdata(intf);
283 
284 	/* can be called while disconnecting */
285 	if (!dev)
286 		return 0;
287 	return qmi_wwan_manage_power(dev, on);
288 }
289 
290 /* collect all three endpoints and register subdriver */
291 static int qmi_wwan_register_subdriver(struct usbnet *dev)
292 {
293 	int rv;
294 	struct usb_driver *subdriver = NULL;
295 	struct qmi_wwan_state *info = (void *)&dev->data;
296 
297 	/* collect bulk endpoints */
298 	rv = usbnet_get_endpoints(dev, info->data);
299 	if (rv < 0)
300 		goto err;
301 
302 	/* update status endpoint if separate control interface */
303 	if (info->control != info->data)
304 		dev->status = &info->control->cur_altsetting->endpoint[0];
305 
306 	/* require interrupt endpoint for subdriver */
307 	if (!dev->status) {
308 		rv = -EINVAL;
309 		goto err;
310 	}
311 
312 	/* for subdriver power management */
313 	atomic_set(&info->pmcount, 0);
314 
315 	/* register subdriver */
316 	subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc,
317 					 4096, &qmi_wwan_cdc_wdm_manage_power);
318 	if (IS_ERR(subdriver)) {
319 		dev_err(&info->control->dev, "subdriver registration failed\n");
320 		rv = PTR_ERR(subdriver);
321 		goto err;
322 	}
323 
324 	/* prevent usbnet from using status endpoint */
325 	dev->status = NULL;
326 
327 	/* save subdriver struct for suspend/resume wrappers */
328 	info->subdriver = subdriver;
329 
330 err:
331 	return rv;
332 }
333 
334 /* Send CDC SetControlLineState request, setting or clearing the DTR.
335  * "Required for Autoconnect and 9x30 to wake up" according to the
336  * GobiNet driver. The requirement has been verified on an MDM9230
337  * based Sierra Wireless MC7455
338  */
339 static int qmi_wwan_change_dtr(struct usbnet *dev, bool on)
340 {
341 	u8 intf = dev->intf->cur_altsetting->desc.bInterfaceNumber;
342 
343 	return usbnet_write_cmd(dev, USB_CDC_REQ_SET_CONTROL_LINE_STATE,
344 				USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
345 				on ? 0x01 : 0x00, intf, NULL, 0);
346 }
347 
348 static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf)
349 {
350 	int status = -1;
351 	u8 *buf = intf->cur_altsetting->extra;
352 	int len = intf->cur_altsetting->extralen;
353 	struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;
354 	struct usb_cdc_union_desc *cdc_union;
355 	struct usb_cdc_ether_desc *cdc_ether;
356 	struct usb_driver *driver = driver_of(intf);
357 	struct qmi_wwan_state *info = (void *)&dev->data;
358 	struct usb_cdc_parsed_header hdr;
359 
360 	BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) <
361 		      sizeof(struct qmi_wwan_state)));
362 
363 	/* set up initial state */
364 	info->control = intf;
365 	info->data = intf;
366 
367 	/* and a number of CDC descriptors */
368 	cdc_parse_cdc_header(&hdr, intf, buf, len);
369 	cdc_union = hdr.usb_cdc_union_desc;
370 	cdc_ether = hdr.usb_cdc_ether_desc;
371 
372 	/* Use separate control and data interfaces if we found a CDC Union */
373 	if (cdc_union) {
374 		info->data = usb_ifnum_to_if(dev->udev,
375 					     cdc_union->bSlaveInterface0);
376 		if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 ||
377 		    !info->data) {
378 			dev_err(&intf->dev,
379 				"bogus CDC Union: master=%u, slave=%u\n",
380 				cdc_union->bMasterInterface0,
381 				cdc_union->bSlaveInterface0);
382 
383 			/* ignore and continue... */
384 			cdc_union = NULL;
385 			info->data = intf;
386 		}
387 	}
388 
389 	/* errors aren't fatal - we can live with the dynamic address */
390 	if (cdc_ether) {
391 		dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize);
392 		usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress);
393 	}
394 
395 	/* claim data interface and set it up */
396 	if (info->control != info->data) {
397 		status = usb_driver_claim_interface(driver, info->data, dev);
398 		if (status < 0)
399 			goto err;
400 	}
401 
402 	status = qmi_wwan_register_subdriver(dev);
403 	if (status < 0 && info->control != info->data) {
404 		usb_set_intfdata(info->data, NULL);
405 		usb_driver_release_interface(driver, info->data);
406 	}
407 
408 	/* disabling remote wakeup on MDM9x30 devices has the same
409 	 * effect as clearing DTR. The device will not respond to QMI
410 	 * requests until we set DTR again.  This is similar to a
411 	 * QMI_CTL SYNC request, clearing a lot of firmware state
412 	 * including the client ID allocations.
413 	 *
414 	 * Our usage model allows a session to span multiple
415 	 * open/close events, so we must prevent the firmware from
416 	 * clearing out state the clients might need.
417 	 *
418 	 * MDM9x30 is the first QMI chipset with USB3 support. Abuse
419 	 * this fact to enable the quirk for all USB3 devices.
420 	 *
421 	 * There are also chipsets with the same "set DTR" requirement
422 	 * but without USB3 support.  Devices based on these chips
423 	 * need a quirk flag in the device ID table.
424 	 */
425 	if (dev->driver_info->data & QMI_WWAN_QUIRK_DTR ||
426 	    le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) {
427 		qmi_wwan_manage_power(dev, 1);
428 		qmi_wwan_change_dtr(dev, true);
429 	}
430 
431 	/* Never use the same address on both ends of the link, even if the
432 	 * buggy firmware told us to. Or, if device is assigned the well-known
433 	 * buggy firmware MAC address, replace it with a random address,
434 	 */
435 	if (ether_addr_equal(dev->net->dev_addr, default_modem_addr) ||
436 	    ether_addr_equal(dev->net->dev_addr, buggy_fw_addr))
437 		eth_hw_addr_random(dev->net);
438 
439 	/* make MAC addr easily distinguishable from an IP header */
440 	if (possibly_iphdr(dev->net->dev_addr)) {
441 		dev->net->dev_addr[0] |= 0x02;	/* set local assignment bit */
442 		dev->net->dev_addr[0] &= 0xbf;	/* clear "IP" bit */
443 	}
444 	dev->net->netdev_ops = &qmi_wwan_netdev_ops;
445 	dev->net->sysfs_groups[0] = &qmi_wwan_sysfs_attr_group;
446 err:
447 	return status;
448 }
449 
450 static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf)
451 {
452 	struct qmi_wwan_state *info = (void *)&dev->data;
453 	struct usb_driver *driver = driver_of(intf);
454 	struct usb_interface *other;
455 
456 	if (info->subdriver && info->subdriver->disconnect)
457 		info->subdriver->disconnect(info->control);
458 
459 	/* disable MDM9x30 quirk */
460 	if (le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) {
461 		qmi_wwan_change_dtr(dev, false);
462 		qmi_wwan_manage_power(dev, 0);
463 	}
464 
465 	/* allow user to unbind using either control or data */
466 	if (intf == info->control)
467 		other = info->data;
468 	else
469 		other = info->control;
470 
471 	/* only if not shared */
472 	if (other && intf != other) {
473 		usb_set_intfdata(other, NULL);
474 		usb_driver_release_interface(driver, other);
475 	}
476 
477 	info->subdriver = NULL;
478 	info->data = NULL;
479 	info->control = NULL;
480 }
481 
482 /* suspend/resume wrappers calling both usbnet and the cdc-wdm
483  * subdriver if present.
484  *
485  * NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide
486  * wrappers for those without adding usbnet reset support first.
487  */
488 static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message)
489 {
490 	struct usbnet *dev = usb_get_intfdata(intf);
491 	struct qmi_wwan_state *info = (void *)&dev->data;
492 	int ret;
493 
494 	/* Both usbnet_suspend() and subdriver->suspend() MUST return 0
495 	 * in system sleep context, otherwise, the resume callback has
496 	 * to recover device from previous suspend failure.
497 	 */
498 	ret = usbnet_suspend(intf, message);
499 	if (ret < 0)
500 		goto err;
501 
502 	if (intf == info->control && info->subdriver &&
503 	    info->subdriver->suspend)
504 		ret = info->subdriver->suspend(intf, message);
505 	if (ret < 0)
506 		usbnet_resume(intf);
507 err:
508 	return ret;
509 }
510 
511 static int qmi_wwan_resume(struct usb_interface *intf)
512 {
513 	struct usbnet *dev = usb_get_intfdata(intf);
514 	struct qmi_wwan_state *info = (void *)&dev->data;
515 	int ret = 0;
516 	bool callsub = (intf == info->control && info->subdriver &&
517 			info->subdriver->resume);
518 
519 	if (callsub)
520 		ret = info->subdriver->resume(intf);
521 	if (ret < 0)
522 		goto err;
523 	ret = usbnet_resume(intf);
524 	if (ret < 0 && callsub)
525 		info->subdriver->suspend(intf, PMSG_SUSPEND);
526 err:
527 	return ret;
528 }
529 
530 static const struct driver_info	qmi_wwan_info = {
531 	.description	= "WWAN/QMI device",
532 	.flags		= FLAG_WWAN,
533 	.bind		= qmi_wwan_bind,
534 	.unbind		= qmi_wwan_unbind,
535 	.manage_power	= qmi_wwan_manage_power,
536 	.rx_fixup       = qmi_wwan_rx_fixup,
537 };
538 
539 static const struct driver_info	qmi_wwan_info_quirk_dtr = {
540 	.description	= "WWAN/QMI device",
541 	.flags		= FLAG_WWAN,
542 	.bind		= qmi_wwan_bind,
543 	.unbind		= qmi_wwan_unbind,
544 	.manage_power	= qmi_wwan_manage_power,
545 	.rx_fixup       = qmi_wwan_rx_fixup,
546 	.data           = QMI_WWAN_QUIRK_DTR,
547 };
548 
549 #define HUAWEI_VENDOR_ID	0x12D1
550 
551 /* map QMI/wwan function by a fixed interface number */
552 #define QMI_FIXED_INTF(vend, prod, num) \
553 	USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \
554 	.driver_info = (unsigned long)&qmi_wwan_info
555 
556 /* devices requiring "set DTR" quirk */
557 #define QMI_QUIRK_SET_DTR(vend, prod, num) \
558 	USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \
559 	.driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr
560 
561 /* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */
562 #define QMI_GOBI1K_DEVICE(vend, prod) \
563 	QMI_FIXED_INTF(vend, prod, 3)
564 
565 /* Gobi 2000/3000 QMI/wwan interface number is 0 according to qcserial */
566 #define QMI_GOBI_DEVICE(vend, prod) \
567 	QMI_FIXED_INTF(vend, prod, 0)
568 
569 static const struct usb_device_id products[] = {
570 	/* 1. CDC ECM like devices match on the control interface */
571 	{	/* Huawei E392, E398 and possibly others sharing both device id and more... */
572 		USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 9),
573 		.driver_info        = (unsigned long)&qmi_wwan_info,
574 	},
575 	{	/* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */
576 		USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 57),
577 		.driver_info        = (unsigned long)&qmi_wwan_info,
578 	},
579 	{	/* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */
580 		USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69),
581 		.driver_info        = (unsigned long)&qmi_wwan_info,
582 	},
583 	{	/* Motorola Mapphone devices with MDM6600 */
584 		USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC, 0xfb, 0xff),
585 		.driver_info        = (unsigned long)&qmi_wwan_info,
586 	},
587 
588 	/* 2. Combined interface devices matching on class+protocol */
589 	{	/* Huawei E367 and possibly others in "Windows mode" */
590 		USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7),
591 		.driver_info        = (unsigned long)&qmi_wwan_info,
592 	},
593 	{	/* Huawei E392, E398 and possibly others in "Windows mode" */
594 		USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17),
595 		.driver_info        = (unsigned long)&qmi_wwan_info,
596 	},
597 	{	/* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */
598 		USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x37),
599 		.driver_info        = (unsigned long)&qmi_wwan_info,
600 	},
601 	{	/* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */
602 		USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x67),
603 		.driver_info        = (unsigned long)&qmi_wwan_info,
604 	},
605 	{	/* Pantech UML290, P4200 and more */
606 		USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff),
607 		.driver_info        = (unsigned long)&qmi_wwan_info,
608 	},
609 	{	/* Pantech UML290 - newer firmware */
610 		USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff),
611 		.driver_info        = (unsigned long)&qmi_wwan_info,
612 	},
613 	{	/* Novatel USB551L and MC551 */
614 		USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001,
615 		                              USB_CLASS_COMM,
616 		                              USB_CDC_SUBCLASS_ETHERNET,
617 		                              USB_CDC_PROTO_NONE),
618 		.driver_info        = (unsigned long)&qmi_wwan_info,
619 	},
620 	{	/* Novatel E362 */
621 		USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010,
622 		                              USB_CLASS_COMM,
623 		                              USB_CDC_SUBCLASS_ETHERNET,
624 		                              USB_CDC_PROTO_NONE),
625 		.driver_info        = (unsigned long)&qmi_wwan_info,
626 	},
627 	{	/* Novatel Expedite E371 */
628 		USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9011,
629 		                              USB_CLASS_COMM,
630 		                              USB_CDC_SUBCLASS_ETHERNET,
631 		                              USB_CDC_PROTO_NONE),
632 		.driver_info        = (unsigned long)&qmi_wwan_info,
633 	},
634 	{	/* Dell Wireless 5800 (Novatel E362) */
635 		USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195,
636 					      USB_CLASS_COMM,
637 					      USB_CDC_SUBCLASS_ETHERNET,
638 					      USB_CDC_PROTO_NONE),
639 		.driver_info        = (unsigned long)&qmi_wwan_info,
640 	},
641 	{	/* Dell Wireless 5800 V2 (Novatel E362) */
642 		USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196,
643 					      USB_CLASS_COMM,
644 					      USB_CDC_SUBCLASS_ETHERNET,
645 					      USB_CDC_PROTO_NONE),
646 		.driver_info        = (unsigned long)&qmi_wwan_info,
647 	},
648 	{	/* Dell Wireless 5804 (Novatel E371) */
649 		USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b,
650 					      USB_CLASS_COMM,
651 					      USB_CDC_SUBCLASS_ETHERNET,
652 					      USB_CDC_PROTO_NONE),
653 		.driver_info        = (unsigned long)&qmi_wwan_info,
654 	},
655 	{	/* ADU960S */
656 		USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a,
657 					      USB_CLASS_COMM,
658 					      USB_CDC_SUBCLASS_ETHERNET,
659 					      USB_CDC_PROTO_NONE),
660 		.driver_info        = (unsigned long)&qmi_wwan_info,
661 	},
662 	{	/* HP lt2523 (Novatel E371) */
663 		USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d,
664 					      USB_CLASS_COMM,
665 					      USB_CDC_SUBCLASS_ETHERNET,
666 					      USB_CDC_PROTO_NONE),
667 		.driver_info        = (unsigned long)&qmi_wwan_info,
668 	},
669 	{	/* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */
670 		USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7),
671 		.driver_info = (unsigned long)&qmi_wwan_info,
672 	},
673 
674 	/* 3. Combined interface devices matching on interface number */
675 	{QMI_FIXED_INTF(0x0408, 0xea42, 4)},	/* Yota / Megafon M100-1 */
676 	{QMI_FIXED_INTF(0x05c6, 0x6001, 3)},	/* 4G LTE usb-modem U901 */
677 	{QMI_FIXED_INTF(0x05c6, 0x7000, 0)},
678 	{QMI_FIXED_INTF(0x05c6, 0x7001, 1)},
679 	{QMI_FIXED_INTF(0x05c6, 0x7002, 1)},
680 	{QMI_FIXED_INTF(0x05c6, 0x7101, 1)},
681 	{QMI_FIXED_INTF(0x05c6, 0x7101, 2)},
682 	{QMI_FIXED_INTF(0x05c6, 0x7101, 3)},
683 	{QMI_FIXED_INTF(0x05c6, 0x7102, 1)},
684 	{QMI_FIXED_INTF(0x05c6, 0x7102, 2)},
685 	{QMI_FIXED_INTF(0x05c6, 0x7102, 3)},
686 	{QMI_FIXED_INTF(0x05c6, 0x8000, 7)},
687 	{QMI_FIXED_INTF(0x05c6, 0x8001, 6)},
688 	{QMI_FIXED_INTF(0x05c6, 0x9000, 4)},
689 	{QMI_FIXED_INTF(0x05c6, 0x9003, 4)},
690 	{QMI_FIXED_INTF(0x05c6, 0x9005, 2)},
691 	{QMI_FIXED_INTF(0x05c6, 0x900a, 4)},
692 	{QMI_FIXED_INTF(0x05c6, 0x900b, 2)},
693 	{QMI_FIXED_INTF(0x05c6, 0x900c, 4)},
694 	{QMI_FIXED_INTF(0x05c6, 0x900c, 5)},
695 	{QMI_FIXED_INTF(0x05c6, 0x900c, 6)},
696 	{QMI_FIXED_INTF(0x05c6, 0x900d, 5)},
697 	{QMI_FIXED_INTF(0x05c6, 0x900f, 3)},
698 	{QMI_FIXED_INTF(0x05c6, 0x900f, 4)},
699 	{QMI_FIXED_INTF(0x05c6, 0x900f, 5)},
700 	{QMI_FIXED_INTF(0x05c6, 0x9010, 4)},
701 	{QMI_FIXED_INTF(0x05c6, 0x9010, 5)},
702 	{QMI_FIXED_INTF(0x05c6, 0x9011, 3)},
703 	{QMI_FIXED_INTF(0x05c6, 0x9011, 4)},
704 	{QMI_FIXED_INTF(0x05c6, 0x9021, 1)},
705 	{QMI_FIXED_INTF(0x05c6, 0x9022, 2)},
706 	{QMI_FIXED_INTF(0x05c6, 0x9025, 4)},	/* Alcatel-sbell ASB TL131 TDD LTE  (China Mobile) */
707 	{QMI_FIXED_INTF(0x05c6, 0x9026, 3)},
708 	{QMI_FIXED_INTF(0x05c6, 0x902e, 5)},
709 	{QMI_FIXED_INTF(0x05c6, 0x9031, 5)},
710 	{QMI_FIXED_INTF(0x05c6, 0x9032, 4)},
711 	{QMI_FIXED_INTF(0x05c6, 0x9033, 3)},
712 	{QMI_FIXED_INTF(0x05c6, 0x9033, 4)},
713 	{QMI_FIXED_INTF(0x05c6, 0x9033, 5)},
714 	{QMI_FIXED_INTF(0x05c6, 0x9033, 6)},
715 	{QMI_FIXED_INTF(0x05c6, 0x9034, 3)},
716 	{QMI_FIXED_INTF(0x05c6, 0x9034, 4)},
717 	{QMI_FIXED_INTF(0x05c6, 0x9034, 5)},
718 	{QMI_FIXED_INTF(0x05c6, 0x9034, 6)},
719 	{QMI_FIXED_INTF(0x05c6, 0x9034, 7)},
720 	{QMI_FIXED_INTF(0x05c6, 0x9035, 4)},
721 	{QMI_FIXED_INTF(0x05c6, 0x9036, 3)},
722 	{QMI_FIXED_INTF(0x05c6, 0x9037, 5)},
723 	{QMI_FIXED_INTF(0x05c6, 0x9038, 4)},
724 	{QMI_FIXED_INTF(0x05c6, 0x903b, 7)},
725 	{QMI_FIXED_INTF(0x05c6, 0x903c, 6)},
726 	{QMI_FIXED_INTF(0x05c6, 0x903d, 6)},
727 	{QMI_FIXED_INTF(0x05c6, 0x903e, 5)},
728 	{QMI_FIXED_INTF(0x05c6, 0x9043, 3)},
729 	{QMI_FIXED_INTF(0x05c6, 0x9046, 3)},
730 	{QMI_FIXED_INTF(0x05c6, 0x9046, 4)},
731 	{QMI_FIXED_INTF(0x05c6, 0x9046, 5)},
732 	{QMI_FIXED_INTF(0x05c6, 0x9047, 2)},
733 	{QMI_FIXED_INTF(0x05c6, 0x9047, 3)},
734 	{QMI_FIXED_INTF(0x05c6, 0x9047, 4)},
735 	{QMI_FIXED_INTF(0x05c6, 0x9048, 4)},
736 	{QMI_FIXED_INTF(0x05c6, 0x9048, 5)},
737 	{QMI_FIXED_INTF(0x05c6, 0x9048, 6)},
738 	{QMI_FIXED_INTF(0x05c6, 0x9048, 7)},
739 	{QMI_FIXED_INTF(0x05c6, 0x9048, 8)},
740 	{QMI_FIXED_INTF(0x05c6, 0x904c, 5)},
741 	{QMI_FIXED_INTF(0x05c6, 0x904c, 6)},
742 	{QMI_FIXED_INTF(0x05c6, 0x904c, 7)},
743 	{QMI_FIXED_INTF(0x05c6, 0x904c, 8)},
744 	{QMI_FIXED_INTF(0x05c6, 0x9050, 3)},
745 	{QMI_FIXED_INTF(0x05c6, 0x9052, 4)},
746 	{QMI_FIXED_INTF(0x05c6, 0x9053, 6)},
747 	{QMI_FIXED_INTF(0x05c6, 0x9053, 7)},
748 	{QMI_FIXED_INTF(0x05c6, 0x9054, 5)},
749 	{QMI_FIXED_INTF(0x05c6, 0x9054, 6)},
750 	{QMI_FIXED_INTF(0x05c6, 0x9055, 3)},
751 	{QMI_FIXED_INTF(0x05c6, 0x9055, 4)},
752 	{QMI_FIXED_INTF(0x05c6, 0x9055, 5)},
753 	{QMI_FIXED_INTF(0x05c6, 0x9055, 6)},
754 	{QMI_FIXED_INTF(0x05c6, 0x9055, 7)},
755 	{QMI_FIXED_INTF(0x05c6, 0x9056, 3)},
756 	{QMI_FIXED_INTF(0x05c6, 0x9062, 2)},
757 	{QMI_FIXED_INTF(0x05c6, 0x9062, 3)},
758 	{QMI_FIXED_INTF(0x05c6, 0x9062, 4)},
759 	{QMI_FIXED_INTF(0x05c6, 0x9062, 5)},
760 	{QMI_FIXED_INTF(0x05c6, 0x9062, 6)},
761 	{QMI_FIXED_INTF(0x05c6, 0x9062, 7)},
762 	{QMI_FIXED_INTF(0x05c6, 0x9062, 8)},
763 	{QMI_FIXED_INTF(0x05c6, 0x9062, 9)},
764 	{QMI_FIXED_INTF(0x05c6, 0x9064, 3)},
765 	{QMI_FIXED_INTF(0x05c6, 0x9065, 6)},
766 	{QMI_FIXED_INTF(0x05c6, 0x9065, 7)},
767 	{QMI_FIXED_INTF(0x05c6, 0x9066, 5)},
768 	{QMI_FIXED_INTF(0x05c6, 0x9066, 6)},
769 	{QMI_FIXED_INTF(0x05c6, 0x9067, 1)},
770 	{QMI_FIXED_INTF(0x05c6, 0x9068, 2)},
771 	{QMI_FIXED_INTF(0x05c6, 0x9068, 3)},
772 	{QMI_FIXED_INTF(0x05c6, 0x9068, 4)},
773 	{QMI_FIXED_INTF(0x05c6, 0x9068, 5)},
774 	{QMI_FIXED_INTF(0x05c6, 0x9068, 6)},
775 	{QMI_FIXED_INTF(0x05c6, 0x9068, 7)},
776 	{QMI_FIXED_INTF(0x05c6, 0x9069, 5)},
777 	{QMI_FIXED_INTF(0x05c6, 0x9069, 6)},
778 	{QMI_FIXED_INTF(0x05c6, 0x9069, 7)},
779 	{QMI_FIXED_INTF(0x05c6, 0x9069, 8)},
780 	{QMI_FIXED_INTF(0x05c6, 0x9070, 4)},
781 	{QMI_FIXED_INTF(0x05c6, 0x9070, 5)},
782 	{QMI_FIXED_INTF(0x05c6, 0x9075, 5)},
783 	{QMI_FIXED_INTF(0x05c6, 0x9076, 4)},
784 	{QMI_FIXED_INTF(0x05c6, 0x9076, 5)},
785 	{QMI_FIXED_INTF(0x05c6, 0x9076, 6)},
786 	{QMI_FIXED_INTF(0x05c6, 0x9076, 7)},
787 	{QMI_FIXED_INTF(0x05c6, 0x9076, 8)},
788 	{QMI_FIXED_INTF(0x05c6, 0x9077, 3)},
789 	{QMI_FIXED_INTF(0x05c6, 0x9077, 4)},
790 	{QMI_FIXED_INTF(0x05c6, 0x9077, 5)},
791 	{QMI_FIXED_INTF(0x05c6, 0x9077, 6)},
792 	{QMI_FIXED_INTF(0x05c6, 0x9078, 3)},
793 	{QMI_FIXED_INTF(0x05c6, 0x9079, 4)},
794 	{QMI_FIXED_INTF(0x05c6, 0x9079, 5)},
795 	{QMI_FIXED_INTF(0x05c6, 0x9079, 6)},
796 	{QMI_FIXED_INTF(0x05c6, 0x9079, 7)},
797 	{QMI_FIXED_INTF(0x05c6, 0x9079, 8)},
798 	{QMI_FIXED_INTF(0x05c6, 0x9080, 5)},
799 	{QMI_FIXED_INTF(0x05c6, 0x9080, 6)},
800 	{QMI_FIXED_INTF(0x05c6, 0x9080, 7)},
801 	{QMI_FIXED_INTF(0x05c6, 0x9080, 8)},
802 	{QMI_FIXED_INTF(0x05c6, 0x9083, 3)},
803 	{QMI_FIXED_INTF(0x05c6, 0x9084, 4)},
804 	{QMI_FIXED_INTF(0x05c6, 0x920d, 0)},
805 	{QMI_FIXED_INTF(0x05c6, 0x920d, 5)},
806 	{QMI_FIXED_INTF(0x0846, 0x68a2, 8)},
807 	{QMI_FIXED_INTF(0x12d1, 0x140c, 1)},	/* Huawei E173 */
808 	{QMI_FIXED_INTF(0x12d1, 0x14ac, 1)},	/* Huawei E1820 */
809 	{QMI_FIXED_INTF(0x16d8, 0x6003, 0)},	/* CMOTech 6003 */
810 	{QMI_FIXED_INTF(0x16d8, 0x6007, 0)},	/* CMOTech CHE-628S */
811 	{QMI_FIXED_INTF(0x16d8, 0x6008, 0)},	/* CMOTech CMU-301 */
812 	{QMI_FIXED_INTF(0x16d8, 0x6280, 0)},	/* CMOTech CHU-628 */
813 	{QMI_FIXED_INTF(0x16d8, 0x7001, 0)},	/* CMOTech CHU-720S */
814 	{QMI_FIXED_INTF(0x16d8, 0x7002, 0)},	/* CMOTech 7002 */
815 	{QMI_FIXED_INTF(0x16d8, 0x7003, 4)},	/* CMOTech CHU-629K */
816 	{QMI_FIXED_INTF(0x16d8, 0x7004, 3)},	/* CMOTech 7004 */
817 	{QMI_FIXED_INTF(0x16d8, 0x7006, 5)},	/* CMOTech CGU-629 */
818 	{QMI_FIXED_INTF(0x16d8, 0x700a, 4)},	/* CMOTech CHU-629S */
819 	{QMI_FIXED_INTF(0x16d8, 0x7211, 0)},	/* CMOTech CHU-720I */
820 	{QMI_FIXED_INTF(0x16d8, 0x7212, 0)},	/* CMOTech 7212 */
821 	{QMI_FIXED_INTF(0x16d8, 0x7213, 0)},	/* CMOTech 7213 */
822 	{QMI_FIXED_INTF(0x16d8, 0x7251, 1)},	/* CMOTech 7251 */
823 	{QMI_FIXED_INTF(0x16d8, 0x7252, 1)},	/* CMOTech 7252 */
824 	{QMI_FIXED_INTF(0x16d8, 0x7253, 1)},	/* CMOTech 7253 */
825 	{QMI_FIXED_INTF(0x19d2, 0x0002, 1)},
826 	{QMI_FIXED_INTF(0x19d2, 0x0012, 1)},
827 	{QMI_FIXED_INTF(0x19d2, 0x0017, 3)},
828 	{QMI_FIXED_INTF(0x19d2, 0x0019, 3)},	/* ONDA MT689DC */
829 	{QMI_FIXED_INTF(0x19d2, 0x0021, 4)},
830 	{QMI_FIXED_INTF(0x19d2, 0x0025, 1)},
831 	{QMI_FIXED_INTF(0x19d2, 0x0031, 4)},
832 	{QMI_FIXED_INTF(0x19d2, 0x0042, 4)},
833 	{QMI_FIXED_INTF(0x19d2, 0x0049, 5)},
834 	{QMI_FIXED_INTF(0x19d2, 0x0052, 4)},
835 	{QMI_FIXED_INTF(0x19d2, 0x0055, 1)},	/* ZTE (Vodafone) K3520-Z */
836 	{QMI_FIXED_INTF(0x19d2, 0x0058, 4)},
837 	{QMI_FIXED_INTF(0x19d2, 0x0063, 4)},	/* ZTE (Vodafone) K3565-Z */
838 	{QMI_FIXED_INTF(0x19d2, 0x0104, 4)},	/* ZTE (Vodafone) K4505-Z */
839 	{QMI_FIXED_INTF(0x19d2, 0x0113, 5)},
840 	{QMI_FIXED_INTF(0x19d2, 0x0118, 5)},
841 	{QMI_FIXED_INTF(0x19d2, 0x0121, 5)},
842 	{QMI_FIXED_INTF(0x19d2, 0x0123, 4)},
843 	{QMI_FIXED_INTF(0x19d2, 0x0124, 5)},
844 	{QMI_FIXED_INTF(0x19d2, 0x0125, 6)},
845 	{QMI_FIXED_INTF(0x19d2, 0x0126, 5)},
846 	{QMI_FIXED_INTF(0x19d2, 0x0130, 1)},
847 	{QMI_FIXED_INTF(0x19d2, 0x0133, 3)},
848 	{QMI_FIXED_INTF(0x19d2, 0x0141, 5)},
849 	{QMI_FIXED_INTF(0x19d2, 0x0157, 5)},	/* ZTE MF683 */
850 	{QMI_FIXED_INTF(0x19d2, 0x0158, 3)},
851 	{QMI_FIXED_INTF(0x19d2, 0x0167, 4)},	/* ZTE MF820D */
852 	{QMI_FIXED_INTF(0x19d2, 0x0168, 4)},
853 	{QMI_FIXED_INTF(0x19d2, 0x0176, 3)},
854 	{QMI_FIXED_INTF(0x19d2, 0x0178, 3)},
855 	{QMI_FIXED_INTF(0x19d2, 0x0191, 4)},	/* ZTE EuFi890 */
856 	{QMI_FIXED_INTF(0x19d2, 0x0199, 1)},	/* ZTE MF820S */
857 	{QMI_FIXED_INTF(0x19d2, 0x0200, 1)},
858 	{QMI_FIXED_INTF(0x19d2, 0x0257, 3)},	/* ZTE MF821 */
859 	{QMI_FIXED_INTF(0x19d2, 0x0265, 4)},	/* ONDA MT8205 4G LTE */
860 	{QMI_FIXED_INTF(0x19d2, 0x0284, 4)},	/* ZTE MF880 */
861 	{QMI_FIXED_INTF(0x19d2, 0x0326, 4)},	/* ZTE MF821D */
862 	{QMI_FIXED_INTF(0x19d2, 0x0412, 4)},	/* Telewell TW-LTE 4G */
863 	{QMI_FIXED_INTF(0x19d2, 0x1008, 4)},	/* ZTE (Vodafone) K3570-Z */
864 	{QMI_FIXED_INTF(0x19d2, 0x1010, 4)},	/* ZTE (Vodafone) K3571-Z */
865 	{QMI_FIXED_INTF(0x19d2, 0x1012, 4)},
866 	{QMI_FIXED_INTF(0x19d2, 0x1018, 3)},	/* ZTE (Vodafone) K5006-Z */
867 	{QMI_FIXED_INTF(0x19d2, 0x1021, 2)},
868 	{QMI_FIXED_INTF(0x19d2, 0x1245, 4)},
869 	{QMI_FIXED_INTF(0x19d2, 0x1247, 4)},
870 	{QMI_FIXED_INTF(0x19d2, 0x1252, 4)},
871 	{QMI_FIXED_INTF(0x19d2, 0x1254, 4)},
872 	{QMI_FIXED_INTF(0x19d2, 0x1255, 3)},
873 	{QMI_FIXED_INTF(0x19d2, 0x1255, 4)},
874 	{QMI_FIXED_INTF(0x19d2, 0x1256, 4)},
875 	{QMI_FIXED_INTF(0x19d2, 0x1270, 5)},	/* ZTE MF667 */
876 	{QMI_FIXED_INTF(0x19d2, 0x1401, 2)},
877 	{QMI_FIXED_INTF(0x19d2, 0x1402, 2)},	/* ZTE MF60 */
878 	{QMI_FIXED_INTF(0x19d2, 0x1424, 2)},
879 	{QMI_FIXED_INTF(0x19d2, 0x1425, 2)},
880 	{QMI_FIXED_INTF(0x19d2, 0x1426, 2)},	/* ZTE MF91 */
881 	{QMI_FIXED_INTF(0x19d2, 0x1428, 2)},	/* Telewell TW-LTE 4G v2 */
882 	{QMI_FIXED_INTF(0x19d2, 0x2002, 4)},	/* ZTE (Vodafone) K3765-Z */
883 	{QMI_FIXED_INTF(0x2001, 0x7e19, 4)},	/* D-Link DWM-221 B1 */
884 	{QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)},    /* Sierra Wireless MC7700 */
885 	{QMI_FIXED_INTF(0x114f, 0x68a2, 8)},    /* Sierra Wireless MC7750 */
886 	{QMI_FIXED_INTF(0x1199, 0x68a2, 8)},	/* Sierra Wireless MC7710 in QMI mode */
887 	{QMI_FIXED_INTF(0x1199, 0x68a2, 19)},	/* Sierra Wireless MC7710 in QMI mode */
888 	{QMI_FIXED_INTF(0x1199, 0x68c0, 8)},	/* Sierra Wireless MC7304/MC7354 */
889 	{QMI_FIXED_INTF(0x1199, 0x68c0, 10)},	/* Sierra Wireless MC7304/MC7354 */
890 	{QMI_FIXED_INTF(0x1199, 0x901c, 8)},    /* Sierra Wireless EM7700 */
891 	{QMI_FIXED_INTF(0x1199, 0x901f, 8)},    /* Sierra Wireless EM7355 */
892 	{QMI_FIXED_INTF(0x1199, 0x9041, 8)},	/* Sierra Wireless MC7305/MC7355 */
893 	{QMI_FIXED_INTF(0x1199, 0x9041, 10)},	/* Sierra Wireless MC7305/MC7355 */
894 	{QMI_FIXED_INTF(0x1199, 0x9051, 8)},	/* Netgear AirCard 340U */
895 	{QMI_FIXED_INTF(0x1199, 0x9053, 8)},	/* Sierra Wireless Modem */
896 	{QMI_FIXED_INTF(0x1199, 0x9054, 8)},	/* Sierra Wireless Modem */
897 	{QMI_FIXED_INTF(0x1199, 0x9055, 8)},	/* Netgear AirCard 341U */
898 	{QMI_FIXED_INTF(0x1199, 0x9056, 8)},	/* Sierra Wireless Modem */
899 	{QMI_FIXED_INTF(0x1199, 0x9057, 8)},
900 	{QMI_FIXED_INTF(0x1199, 0x9061, 8)},	/* Sierra Wireless Modem */
901 	{QMI_FIXED_INTF(0x1199, 0x9071, 8)},	/* Sierra Wireless MC74xx */
902 	{QMI_FIXED_INTF(0x1199, 0x9071, 10)},	/* Sierra Wireless MC74xx */
903 	{QMI_FIXED_INTF(0x1199, 0x9079, 8)},	/* Sierra Wireless EM74xx */
904 	{QMI_FIXED_INTF(0x1199, 0x9079, 10)},	/* Sierra Wireless EM74xx */
905 	{QMI_FIXED_INTF(0x1bbb, 0x011e, 4)},	/* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */
906 	{QMI_FIXED_INTF(0x1bbb, 0x0203, 2)},	/* Alcatel L800MA */
907 	{QMI_FIXED_INTF(0x2357, 0x0201, 4)},	/* TP-LINK HSUPA Modem MA180 */
908 	{QMI_FIXED_INTF(0x2357, 0x9000, 4)},	/* TP-LINK MA260 */
909 	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)},	/* Telit LE922A */
910 	{QMI_FIXED_INTF(0x1bc7, 0x1200, 5)},	/* Telit LE920 */
911 	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)},	/* Telit LE920, LE920A4 */
912 	{QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)},	/* XS Stick W100-2 from 4G Systems */
913 	{QMI_FIXED_INTF(0x0b3c, 0xc000, 4)},	/* Olivetti Olicard 100 */
914 	{QMI_FIXED_INTF(0x0b3c, 0xc001, 4)},	/* Olivetti Olicard 120 */
915 	{QMI_FIXED_INTF(0x0b3c, 0xc002, 4)},	/* Olivetti Olicard 140 */
916 	{QMI_FIXED_INTF(0x0b3c, 0xc004, 6)},	/* Olivetti Olicard 155 */
917 	{QMI_FIXED_INTF(0x0b3c, 0xc005, 6)},	/* Olivetti Olicard 200 */
918 	{QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)},	/* Olivetti Olicard 160 */
919 	{QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)},	/* Olivetti Olicard 500 */
920 	{QMI_FIXED_INTF(0x1e2d, 0x0060, 4)},	/* Cinterion PLxx */
921 	{QMI_FIXED_INTF(0x1e2d, 0x0053, 4)},	/* Cinterion PHxx,PXxx */
922 	{QMI_FIXED_INTF(0x1e2d, 0x0082, 4)},	/* Cinterion PHxx,PXxx (2 RmNet) */
923 	{QMI_FIXED_INTF(0x1e2d, 0x0082, 5)},	/* Cinterion PHxx,PXxx (2 RmNet) */
924 	{QMI_FIXED_INTF(0x1e2d, 0x0083, 4)},	/* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/
925 	{QMI_FIXED_INTF(0x413c, 0x81a2, 8)},	/* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
926 	{QMI_FIXED_INTF(0x413c, 0x81a3, 8)},	/* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
927 	{QMI_FIXED_INTF(0x413c, 0x81a4, 8)},	/* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
928 	{QMI_FIXED_INTF(0x413c, 0x81a8, 8)},	/* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
929 	{QMI_FIXED_INTF(0x413c, 0x81a9, 8)},	/* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
930 	{QMI_FIXED_INTF(0x413c, 0x81b1, 8)},	/* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */
931 	{QMI_FIXED_INTF(0x413c, 0x81b3, 8)},	/* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
932 	{QMI_FIXED_INTF(0x413c, 0x81b6, 8)},	/* Dell Wireless 5811e */
933 	{QMI_FIXED_INTF(0x413c, 0x81b6, 10)},	/* Dell Wireless 5811e */
934 	{QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)},	/* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
935 	{QMI_FIXED_INTF(0x22de, 0x9061, 3)},	/* WeTelecom WPD-600N */
936 	{QMI_FIXED_INTF(0x1e0e, 0x9001, 5)},	/* SIMCom 7230E */
937 	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0125, 4)},	/* Quectel EC25, EC20 R2.0  Mini PCIe */
938 	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)},	/* Quectel EC21 Mini PCIe */
939 
940 	/* 4. Gobi 1000 devices */
941 	{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */
942 	{QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)},	/* HP un2400 Gobi Modem Device */
943 	{QMI_GOBI1K_DEVICE(0x04da, 0x250d)},	/* Panasonic Gobi Modem device */
944 	{QMI_GOBI1K_DEVICE(0x413c, 0x8172)},	/* Dell Gobi Modem device */
945 	{QMI_GOBI1K_DEVICE(0x1410, 0xa001)},	/* Novatel/Verizon USB-1000 */
946 	{QMI_GOBI1K_DEVICE(0x1410, 0xa002)},	/* Novatel Gobi Modem device */
947 	{QMI_GOBI1K_DEVICE(0x1410, 0xa003)},	/* Novatel Gobi Modem device */
948 	{QMI_GOBI1K_DEVICE(0x1410, 0xa004)},	/* Novatel Gobi Modem device */
949 	{QMI_GOBI1K_DEVICE(0x1410, 0xa005)},	/* Novatel Gobi Modem device */
950 	{QMI_GOBI1K_DEVICE(0x1410, 0xa006)},	/* Novatel Gobi Modem device */
951 	{QMI_GOBI1K_DEVICE(0x1410, 0xa007)},	/* Novatel Gobi Modem device */
952 	{QMI_GOBI1K_DEVICE(0x0b05, 0x1776)},	/* Asus Gobi Modem device */
953 	{QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)},	/* ONDA Gobi Modem device */
954 	{QMI_GOBI1K_DEVICE(0x05c6, 0x9001)},	/* Generic Gobi Modem device */
955 	{QMI_GOBI1K_DEVICE(0x05c6, 0x9002)},	/* Generic Gobi Modem device */
956 	{QMI_GOBI1K_DEVICE(0x05c6, 0x9202)},	/* Generic Gobi Modem device */
957 	{QMI_GOBI1K_DEVICE(0x05c6, 0x9203)},	/* Generic Gobi Modem device */
958 	{QMI_GOBI1K_DEVICE(0x05c6, 0x9222)},	/* Generic Gobi Modem device */
959 	{QMI_GOBI1K_DEVICE(0x05c6, 0x9009)},	/* Generic Gobi Modem device */
960 
961 	/* 5. Gobi 2000 and 3000 devices */
962 	{QMI_GOBI_DEVICE(0x413c, 0x8186)},	/* Dell Gobi 2000 Modem device (N0218, VU936) */
963 	{QMI_GOBI_DEVICE(0x413c, 0x8194)},	/* Dell Gobi 3000 Composite */
964 	{QMI_GOBI_DEVICE(0x05c6, 0x920b)},	/* Generic Gobi 2000 Modem device */
965 	{QMI_GOBI_DEVICE(0x05c6, 0x9225)},	/* Sony Gobi 2000 Modem device (N0279, VU730) */
966 	{QMI_GOBI_DEVICE(0x05c6, 0x9245)},	/* Samsung Gobi 2000 Modem device (VL176) */
967 	{QMI_GOBI_DEVICE(0x03f0, 0x251d)},	/* HP Gobi 2000 Modem device (VP412) */
968 	{QMI_GOBI_DEVICE(0x05c6, 0x9215)},	/* Acer Gobi 2000 Modem device (VP413) */
969 	{QMI_FIXED_INTF(0x05c6, 0x9215, 4)},	/* Quectel EC20 Mini PCIe */
970 	{QMI_GOBI_DEVICE(0x05c6, 0x9265)},	/* Asus Gobi 2000 Modem device (VR305) */
971 	{QMI_GOBI_DEVICE(0x05c6, 0x9235)},	/* Top Global Gobi 2000 Modem device (VR306) */
972 	{QMI_GOBI_DEVICE(0x05c6, 0x9275)},	/* iRex Technologies Gobi 2000 Modem device (VR307) */
973 	{QMI_GOBI_DEVICE(0x0af0, 0x8120)},	/* Option GTM681W */
974 	{QMI_GOBI_DEVICE(0x1199, 0x68a5)},	/* Sierra Wireless Modem */
975 	{QMI_GOBI_DEVICE(0x1199, 0x68a9)},	/* Sierra Wireless Modem */
976 	{QMI_GOBI_DEVICE(0x1199, 0x9001)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
977 	{QMI_GOBI_DEVICE(0x1199, 0x9002)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
978 	{QMI_GOBI_DEVICE(0x1199, 0x9003)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
979 	{QMI_GOBI_DEVICE(0x1199, 0x9004)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
980 	{QMI_GOBI_DEVICE(0x1199, 0x9005)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
981 	{QMI_GOBI_DEVICE(0x1199, 0x9006)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
982 	{QMI_GOBI_DEVICE(0x1199, 0x9007)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
983 	{QMI_GOBI_DEVICE(0x1199, 0x9008)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
984 	{QMI_GOBI_DEVICE(0x1199, 0x9009)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
985 	{QMI_GOBI_DEVICE(0x1199, 0x900a)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
986 	{QMI_GOBI_DEVICE(0x1199, 0x9011)},	/* Sierra Wireless Gobi 2000 Modem device (MC8305) */
987 	{QMI_GOBI_DEVICE(0x16d8, 0x8002)},	/* CMDTech Gobi 2000 Modem device (VU922) */
988 	{QMI_GOBI_DEVICE(0x05c6, 0x9205)},	/* Gobi 2000 Modem device */
989 	{QMI_GOBI_DEVICE(0x1199, 0x9013)},	/* Sierra Wireless Gobi 3000 Modem device (MC8355) */
990 	{QMI_GOBI_DEVICE(0x03f0, 0x371d)},	/* HP un2430 Mobile Broadband Module */
991 	{QMI_GOBI_DEVICE(0x1199, 0x9015)},	/* Sierra Wireless Gobi 3000 Modem device */
992 	{QMI_GOBI_DEVICE(0x1199, 0x9019)},	/* Sierra Wireless Gobi 3000 Modem device */
993 	{QMI_GOBI_DEVICE(0x1199, 0x901b)},	/* Sierra Wireless MC7770 */
994 	{QMI_GOBI_DEVICE(0x12d1, 0x14f1)},	/* Sony Gobi 3000 Composite */
995 	{QMI_GOBI_DEVICE(0x1410, 0xa021)},	/* Foxconn Gobi 3000 Modem device (Novatel E396) */
996 
997 	{ }					/* END */
998 };
999 MODULE_DEVICE_TABLE(usb, products);
1000 
1001 static bool quectel_ec20_detected(struct usb_interface *intf)
1002 {
1003 	struct usb_device *dev = interface_to_usbdev(intf);
1004 
1005 	if (dev->actconfig &&
1006 	    le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 &&
1007 	    le16_to_cpu(dev->descriptor.idProduct) == 0x9215 &&
1008 	    dev->actconfig->desc.bNumInterfaces == 5)
1009 		return true;
1010 
1011 	return false;
1012 }
1013 
1014 static int qmi_wwan_probe(struct usb_interface *intf,
1015 			  const struct usb_device_id *prod)
1016 {
1017 	struct usb_device_id *id = (struct usb_device_id *)prod;
1018 	struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;
1019 
1020 	/* Workaround to enable dynamic IDs.  This disables usbnet
1021 	 * blacklisting functionality.  Which, if required, can be
1022 	 * reimplemented here by using a magic "blacklist" value
1023 	 * instead of 0 in the static device id table
1024 	 */
1025 	if (!id->driver_info) {
1026 		dev_dbg(&intf->dev, "setting defaults for dynamic device id\n");
1027 		id->driver_info = (unsigned long)&qmi_wwan_info;
1028 	}
1029 
1030 	/* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */
1031 	if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) {
1032 		dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n");
1033 		return -ENODEV;
1034 	}
1035 
1036 	return usbnet_probe(intf, id);
1037 }
1038 
1039 static struct usb_driver qmi_wwan_driver = {
1040 	.name		      = "qmi_wwan",
1041 	.id_table	      = products,
1042 	.probe		      = qmi_wwan_probe,
1043 	.disconnect	      = usbnet_disconnect,
1044 	.suspend	      = qmi_wwan_suspend,
1045 	.resume		      =	qmi_wwan_resume,
1046 	.reset_resume         = qmi_wwan_resume,
1047 	.supports_autosuspend = 1,
1048 	.disable_hub_initiated_lpm = 1,
1049 };
1050 
1051 module_usb_driver(qmi_wwan_driver);
1052 
1053 MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>");
1054 MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver");
1055 MODULE_LICENSE("GPL");
1056