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 QMI_WWAN_FLAG_MUX = 1 << 1, 62 }; 63 64 enum qmi_wwan_quirks { 65 QMI_WWAN_QUIRK_DTR = 1 << 0, /* needs "set DTR" request */ 66 }; 67 68 struct qmimux_hdr { 69 u8 pad; 70 u8 mux_id; 71 __be16 pkt_len; 72 }; 73 74 struct qmimux_priv { 75 struct net_device *real_dev; 76 u8 mux_id; 77 }; 78 79 static int qmimux_open(struct net_device *dev) 80 { 81 struct qmimux_priv *priv = netdev_priv(dev); 82 struct net_device *real_dev = priv->real_dev; 83 84 if (!(priv->real_dev->flags & IFF_UP)) 85 return -ENETDOWN; 86 87 if (netif_carrier_ok(real_dev)) 88 netif_carrier_on(dev); 89 return 0; 90 } 91 92 static int qmimux_stop(struct net_device *dev) 93 { 94 netif_carrier_off(dev); 95 return 0; 96 } 97 98 static netdev_tx_t qmimux_start_xmit(struct sk_buff *skb, struct net_device *dev) 99 { 100 struct qmimux_priv *priv = netdev_priv(dev); 101 unsigned int len = skb->len; 102 struct qmimux_hdr *hdr; 103 104 hdr = skb_push(skb, sizeof(struct qmimux_hdr)); 105 hdr->pad = 0; 106 hdr->mux_id = priv->mux_id; 107 hdr->pkt_len = cpu_to_be16(len); 108 skb->dev = priv->real_dev; 109 return dev_queue_xmit(skb); 110 } 111 112 static const struct net_device_ops qmimux_netdev_ops = { 113 .ndo_open = qmimux_open, 114 .ndo_stop = qmimux_stop, 115 .ndo_start_xmit = qmimux_start_xmit, 116 }; 117 118 static void qmimux_setup(struct net_device *dev) 119 { 120 dev->header_ops = NULL; /* No header */ 121 dev->type = ARPHRD_NONE; 122 dev->hard_header_len = 0; 123 dev->addr_len = 0; 124 dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 125 dev->netdev_ops = &qmimux_netdev_ops; 126 dev->needs_free_netdev = true; 127 } 128 129 static struct net_device *qmimux_find_dev(struct usbnet *dev, u8 mux_id) 130 { 131 struct qmimux_priv *priv; 132 struct list_head *iter; 133 struct net_device *ldev; 134 135 rcu_read_lock(); 136 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) { 137 priv = netdev_priv(ldev); 138 if (priv->mux_id == mux_id) { 139 rcu_read_unlock(); 140 return ldev; 141 } 142 } 143 rcu_read_unlock(); 144 return NULL; 145 } 146 147 static bool qmimux_has_slaves(struct usbnet *dev) 148 { 149 return !list_empty(&dev->net->adj_list.upper); 150 } 151 152 static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 153 { 154 unsigned int len, offset = 0; 155 struct qmimux_hdr *hdr; 156 struct net_device *net; 157 struct sk_buff *skbn; 158 u8 qmimux_hdr_sz = sizeof(*hdr); 159 160 while (offset + qmimux_hdr_sz < skb->len) { 161 hdr = (struct qmimux_hdr *)(skb->data + offset); 162 len = be16_to_cpu(hdr->pkt_len); 163 164 /* drop the packet, bogus length */ 165 if (offset + len + qmimux_hdr_sz > skb->len) 166 return 0; 167 168 /* control packet, we do not know what to do */ 169 if (hdr->pad & 0x80) 170 goto skip; 171 172 net = qmimux_find_dev(dev, hdr->mux_id); 173 if (!net) 174 goto skip; 175 skbn = netdev_alloc_skb(net, len); 176 if (!skbn) 177 return 0; 178 skbn->dev = net; 179 180 switch (skb->data[offset + qmimux_hdr_sz] & 0xf0) { 181 case 0x40: 182 skbn->protocol = htons(ETH_P_IP); 183 break; 184 case 0x60: 185 skbn->protocol = htons(ETH_P_IPV6); 186 break; 187 default: 188 /* not ip - do not know what to do */ 189 goto skip; 190 } 191 192 skb_put_data(skbn, skb->data + offset + qmimux_hdr_sz, len); 193 if (netif_rx(skbn) != NET_RX_SUCCESS) 194 return 0; 195 196 skip: 197 offset += len + qmimux_hdr_sz; 198 } 199 return 1; 200 } 201 202 static int qmimux_register_device(struct net_device *real_dev, u8 mux_id) 203 { 204 struct net_device *new_dev; 205 struct qmimux_priv *priv; 206 int err; 207 208 new_dev = alloc_netdev(sizeof(struct qmimux_priv), 209 "qmimux%d", NET_NAME_UNKNOWN, qmimux_setup); 210 if (!new_dev) 211 return -ENOBUFS; 212 213 dev_net_set(new_dev, dev_net(real_dev)); 214 priv = netdev_priv(new_dev); 215 priv->mux_id = mux_id; 216 priv->real_dev = real_dev; 217 218 err = register_netdevice(new_dev); 219 if (err < 0) 220 goto out_free_newdev; 221 222 /* Account for reference in struct qmimux_priv_priv */ 223 dev_hold(real_dev); 224 225 err = netdev_upper_dev_link(real_dev, new_dev, NULL); 226 if (err) 227 goto out_unregister_netdev; 228 229 netif_stacked_transfer_operstate(real_dev, new_dev); 230 231 return 0; 232 233 out_unregister_netdev: 234 unregister_netdevice(new_dev); 235 dev_put(real_dev); 236 237 out_free_newdev: 238 free_netdev(new_dev); 239 return err; 240 } 241 242 static void qmimux_unregister_device(struct net_device *dev) 243 { 244 struct qmimux_priv *priv = netdev_priv(dev); 245 struct net_device *real_dev = priv->real_dev; 246 247 netdev_upper_dev_unlink(real_dev, dev); 248 unregister_netdevice(dev); 249 250 /* Get rid of the reference to real_dev */ 251 dev_put(real_dev); 252 } 253 254 static void qmi_wwan_netdev_setup(struct net_device *net) 255 { 256 struct usbnet *dev = netdev_priv(net); 257 struct qmi_wwan_state *info = (void *)&dev->data; 258 259 if (info->flags & QMI_WWAN_FLAG_RAWIP) { 260 net->header_ops = NULL; /* No header */ 261 net->type = ARPHRD_NONE; 262 net->hard_header_len = 0; 263 net->addr_len = 0; 264 net->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 265 set_bit(EVENT_NO_IP_ALIGN, &dev->flags); 266 netdev_dbg(net, "mode: raw IP\n"); 267 } else if (!net->header_ops) { /* don't bother if already set */ 268 ether_setup(net); 269 clear_bit(EVENT_NO_IP_ALIGN, &dev->flags); 270 netdev_dbg(net, "mode: Ethernet\n"); 271 } 272 273 /* recalculate buffers after changing hard_header_len */ 274 usbnet_change_mtu(net, net->mtu); 275 } 276 277 static ssize_t raw_ip_show(struct device *d, struct device_attribute *attr, char *buf) 278 { 279 struct usbnet *dev = netdev_priv(to_net_dev(d)); 280 struct qmi_wwan_state *info = (void *)&dev->data; 281 282 return sprintf(buf, "%c\n", info->flags & QMI_WWAN_FLAG_RAWIP ? 'Y' : 'N'); 283 } 284 285 static ssize_t raw_ip_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 286 { 287 struct usbnet *dev = netdev_priv(to_net_dev(d)); 288 struct qmi_wwan_state *info = (void *)&dev->data; 289 bool enable; 290 int ret; 291 292 if (strtobool(buf, &enable)) 293 return -EINVAL; 294 295 /* no change? */ 296 if (enable == (info->flags & QMI_WWAN_FLAG_RAWIP)) 297 return len; 298 299 if (!rtnl_trylock()) 300 return restart_syscall(); 301 302 /* we don't want to modify a running netdev */ 303 if (netif_running(dev->net)) { 304 netdev_err(dev->net, "Cannot change a running device\n"); 305 ret = -EBUSY; 306 goto err; 307 } 308 309 /* let other drivers deny the change */ 310 ret = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev->net); 311 ret = notifier_to_errno(ret); 312 if (ret) { 313 netdev_err(dev->net, "Type change was refused\n"); 314 goto err; 315 } 316 317 if (enable) 318 info->flags |= QMI_WWAN_FLAG_RAWIP; 319 else 320 info->flags &= ~QMI_WWAN_FLAG_RAWIP; 321 qmi_wwan_netdev_setup(dev->net); 322 call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev->net); 323 ret = len; 324 err: 325 rtnl_unlock(); 326 return ret; 327 } 328 329 static ssize_t add_mux_show(struct device *d, struct device_attribute *attr, char *buf) 330 { 331 struct net_device *dev = to_net_dev(d); 332 struct qmimux_priv *priv; 333 struct list_head *iter; 334 struct net_device *ldev; 335 ssize_t count = 0; 336 337 rcu_read_lock(); 338 netdev_for_each_upper_dev_rcu(dev, ldev, iter) { 339 priv = netdev_priv(ldev); 340 count += scnprintf(&buf[count], PAGE_SIZE - count, 341 "0x%02x\n", priv->mux_id); 342 } 343 rcu_read_unlock(); 344 return count; 345 } 346 347 static ssize_t add_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 348 { 349 struct usbnet *dev = netdev_priv(to_net_dev(d)); 350 struct qmi_wwan_state *info = (void *)&dev->data; 351 u8 mux_id; 352 int ret; 353 354 if (kstrtou8(buf, 0, &mux_id)) 355 return -EINVAL; 356 357 /* mux_id [1 - 0x7f] range empirically found */ 358 if (mux_id < 1 || mux_id > 0x7f) 359 return -EINVAL; 360 361 if (!rtnl_trylock()) 362 return restart_syscall(); 363 364 if (qmimux_find_dev(dev, mux_id)) { 365 netdev_err(dev->net, "mux_id already present\n"); 366 ret = -EINVAL; 367 goto err; 368 } 369 370 /* we don't want to modify a running netdev */ 371 if (netif_running(dev->net)) { 372 netdev_err(dev->net, "Cannot change a running device\n"); 373 ret = -EBUSY; 374 goto err; 375 } 376 377 ret = qmimux_register_device(dev->net, mux_id); 378 if (!ret) { 379 info->flags |= QMI_WWAN_FLAG_MUX; 380 ret = len; 381 } 382 err: 383 rtnl_unlock(); 384 return ret; 385 } 386 387 static ssize_t del_mux_show(struct device *d, struct device_attribute *attr, char *buf) 388 { 389 return add_mux_show(d, attr, buf); 390 } 391 392 static ssize_t del_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 393 { 394 struct usbnet *dev = netdev_priv(to_net_dev(d)); 395 struct qmi_wwan_state *info = (void *)&dev->data; 396 struct net_device *del_dev; 397 u8 mux_id; 398 int ret = 0; 399 400 if (kstrtou8(buf, 0, &mux_id)) 401 return -EINVAL; 402 403 if (!rtnl_trylock()) 404 return restart_syscall(); 405 406 /* we don't want to modify a running netdev */ 407 if (netif_running(dev->net)) { 408 netdev_err(dev->net, "Cannot change a running device\n"); 409 ret = -EBUSY; 410 goto err; 411 } 412 413 del_dev = qmimux_find_dev(dev, mux_id); 414 if (!del_dev) { 415 netdev_err(dev->net, "mux_id not present\n"); 416 ret = -EINVAL; 417 goto err; 418 } 419 qmimux_unregister_device(del_dev); 420 421 if (!qmimux_has_slaves(dev)) 422 info->flags &= ~QMI_WWAN_FLAG_MUX; 423 ret = len; 424 err: 425 rtnl_unlock(); 426 return ret; 427 } 428 429 static DEVICE_ATTR_RW(raw_ip); 430 static DEVICE_ATTR_RW(add_mux); 431 static DEVICE_ATTR_RW(del_mux); 432 433 static struct attribute *qmi_wwan_sysfs_attrs[] = { 434 &dev_attr_raw_ip.attr, 435 &dev_attr_add_mux.attr, 436 &dev_attr_del_mux.attr, 437 NULL, 438 }; 439 440 static struct attribute_group qmi_wwan_sysfs_attr_group = { 441 .name = "qmi", 442 .attrs = qmi_wwan_sysfs_attrs, 443 }; 444 445 /* default ethernet address used by the modem */ 446 static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3}; 447 448 static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00}; 449 450 /* Make up an ethernet header if the packet doesn't have one. 451 * 452 * A firmware bug common among several devices cause them to send raw 453 * IP packets under some circumstances. There is no way for the 454 * driver/host to know when this will happen. And even when the bug 455 * hits, some packets will still arrive with an intact header. 456 * 457 * The supported devices are only capably of sending IPv4, IPv6 and 458 * ARP packets on a point-to-point link. Any packet with an ethernet 459 * header will have either our address or a broadcast/multicast 460 * address as destination. ARP packets will always have a header. 461 * 462 * This means that this function will reliably add the appropriate 463 * header iff necessary, provided our hardware address does not start 464 * with 4 or 6. 465 * 466 * Another common firmware bug results in all packets being addressed 467 * to 00:a0:c6:00:00:00 despite the host address being different. 468 * This function will also fixup such packets. 469 */ 470 static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 471 { 472 struct qmi_wwan_state *info = (void *)&dev->data; 473 bool rawip = info->flags & QMI_WWAN_FLAG_RAWIP; 474 __be16 proto; 475 476 /* This check is no longer done by usbnet */ 477 if (skb->len < dev->net->hard_header_len) 478 return 0; 479 480 if (info->flags & QMI_WWAN_FLAG_MUX) 481 return qmimux_rx_fixup(dev, skb); 482 483 switch (skb->data[0] & 0xf0) { 484 case 0x40: 485 proto = htons(ETH_P_IP); 486 break; 487 case 0x60: 488 proto = htons(ETH_P_IPV6); 489 break; 490 case 0x00: 491 if (rawip) 492 return 0; 493 if (is_multicast_ether_addr(skb->data)) 494 return 1; 495 /* possibly bogus destination - rewrite just in case */ 496 skb_reset_mac_header(skb); 497 goto fix_dest; 498 default: 499 if (rawip) 500 return 0; 501 /* pass along other packets without modifications */ 502 return 1; 503 } 504 if (rawip) { 505 skb_reset_mac_header(skb); 506 skb->dev = dev->net; /* normally set by eth_type_trans */ 507 skb->protocol = proto; 508 return 1; 509 } 510 511 if (skb_headroom(skb) < ETH_HLEN) 512 return 0; 513 skb_push(skb, ETH_HLEN); 514 skb_reset_mac_header(skb); 515 eth_hdr(skb)->h_proto = proto; 516 eth_zero_addr(eth_hdr(skb)->h_source); 517 fix_dest: 518 memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN); 519 return 1; 520 } 521 522 /* very simplistic detection of IPv4 or IPv6 headers */ 523 static bool possibly_iphdr(const char *data) 524 { 525 return (data[0] & 0xd0) == 0x40; 526 } 527 528 /* disallow addresses which may be confused with IP headers */ 529 static int qmi_wwan_mac_addr(struct net_device *dev, void *p) 530 { 531 int ret; 532 struct sockaddr *addr = p; 533 534 ret = eth_prepare_mac_addr_change(dev, p); 535 if (ret < 0) 536 return ret; 537 if (possibly_iphdr(addr->sa_data)) 538 return -EADDRNOTAVAIL; 539 eth_commit_mac_addr_change(dev, p); 540 return 0; 541 } 542 543 static const struct net_device_ops qmi_wwan_netdev_ops = { 544 .ndo_open = usbnet_open, 545 .ndo_stop = usbnet_stop, 546 .ndo_start_xmit = usbnet_start_xmit, 547 .ndo_tx_timeout = usbnet_tx_timeout, 548 .ndo_change_mtu = usbnet_change_mtu, 549 .ndo_get_stats64 = usbnet_get_stats64, 550 .ndo_set_mac_address = qmi_wwan_mac_addr, 551 .ndo_validate_addr = eth_validate_addr, 552 }; 553 554 /* using a counter to merge subdriver requests with our own into a 555 * combined state 556 */ 557 static int qmi_wwan_manage_power(struct usbnet *dev, int on) 558 { 559 struct qmi_wwan_state *info = (void *)&dev->data; 560 int rv; 561 562 dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__, 563 atomic_read(&info->pmcount), on); 564 565 if ((on && atomic_add_return(1, &info->pmcount) == 1) || 566 (!on && atomic_dec_and_test(&info->pmcount))) { 567 /* need autopm_get/put here to ensure the usbcore sees 568 * the new value 569 */ 570 rv = usb_autopm_get_interface(dev->intf); 571 dev->intf->needs_remote_wakeup = on; 572 if (!rv) 573 usb_autopm_put_interface(dev->intf); 574 } 575 return 0; 576 } 577 578 static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on) 579 { 580 struct usbnet *dev = usb_get_intfdata(intf); 581 582 /* can be called while disconnecting */ 583 if (!dev) 584 return 0; 585 return qmi_wwan_manage_power(dev, on); 586 } 587 588 /* collect all three endpoints and register subdriver */ 589 static int qmi_wwan_register_subdriver(struct usbnet *dev) 590 { 591 int rv; 592 struct usb_driver *subdriver = NULL; 593 struct qmi_wwan_state *info = (void *)&dev->data; 594 595 /* collect bulk endpoints */ 596 rv = usbnet_get_endpoints(dev, info->data); 597 if (rv < 0) 598 goto err; 599 600 /* update status endpoint if separate control interface */ 601 if (info->control != info->data) 602 dev->status = &info->control->cur_altsetting->endpoint[0]; 603 604 /* require interrupt endpoint for subdriver */ 605 if (!dev->status) { 606 rv = -EINVAL; 607 goto err; 608 } 609 610 /* for subdriver power management */ 611 atomic_set(&info->pmcount, 0); 612 613 /* register subdriver */ 614 subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc, 615 4096, &qmi_wwan_cdc_wdm_manage_power); 616 if (IS_ERR(subdriver)) { 617 dev_err(&info->control->dev, "subdriver registration failed\n"); 618 rv = PTR_ERR(subdriver); 619 goto err; 620 } 621 622 /* prevent usbnet from using status endpoint */ 623 dev->status = NULL; 624 625 /* save subdriver struct for suspend/resume wrappers */ 626 info->subdriver = subdriver; 627 628 err: 629 return rv; 630 } 631 632 /* Send CDC SetControlLineState request, setting or clearing the DTR. 633 * "Required for Autoconnect and 9x30 to wake up" according to the 634 * GobiNet driver. The requirement has been verified on an MDM9230 635 * based Sierra Wireless MC7455 636 */ 637 static int qmi_wwan_change_dtr(struct usbnet *dev, bool on) 638 { 639 u8 intf = dev->intf->cur_altsetting->desc.bInterfaceNumber; 640 641 return usbnet_write_cmd(dev, USB_CDC_REQ_SET_CONTROL_LINE_STATE, 642 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 643 on ? 0x01 : 0x00, intf, NULL, 0); 644 } 645 646 static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) 647 { 648 int status = -1; 649 u8 *buf = intf->cur_altsetting->extra; 650 int len = intf->cur_altsetting->extralen; 651 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 652 struct usb_cdc_union_desc *cdc_union; 653 struct usb_cdc_ether_desc *cdc_ether; 654 struct usb_driver *driver = driver_of(intf); 655 struct qmi_wwan_state *info = (void *)&dev->data; 656 struct usb_cdc_parsed_header hdr; 657 658 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) < 659 sizeof(struct qmi_wwan_state))); 660 661 /* set up initial state */ 662 info->control = intf; 663 info->data = intf; 664 665 /* and a number of CDC descriptors */ 666 cdc_parse_cdc_header(&hdr, intf, buf, len); 667 cdc_union = hdr.usb_cdc_union_desc; 668 cdc_ether = hdr.usb_cdc_ether_desc; 669 670 /* Use separate control and data interfaces if we found a CDC Union */ 671 if (cdc_union) { 672 info->data = usb_ifnum_to_if(dev->udev, 673 cdc_union->bSlaveInterface0); 674 if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 || 675 !info->data) { 676 dev_err(&intf->dev, 677 "bogus CDC Union: master=%u, slave=%u\n", 678 cdc_union->bMasterInterface0, 679 cdc_union->bSlaveInterface0); 680 681 /* ignore and continue... */ 682 cdc_union = NULL; 683 info->data = intf; 684 } 685 } 686 687 /* errors aren't fatal - we can live with the dynamic address */ 688 if (cdc_ether && cdc_ether->wMaxSegmentSize) { 689 dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize); 690 usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress); 691 } 692 693 /* claim data interface and set it up */ 694 if (info->control != info->data) { 695 status = usb_driver_claim_interface(driver, info->data, dev); 696 if (status < 0) 697 goto err; 698 } 699 700 status = qmi_wwan_register_subdriver(dev); 701 if (status < 0 && info->control != info->data) { 702 usb_set_intfdata(info->data, NULL); 703 usb_driver_release_interface(driver, info->data); 704 } 705 706 /* disabling remote wakeup on MDM9x30 devices has the same 707 * effect as clearing DTR. The device will not respond to QMI 708 * requests until we set DTR again. This is similar to a 709 * QMI_CTL SYNC request, clearing a lot of firmware state 710 * including the client ID allocations. 711 * 712 * Our usage model allows a session to span multiple 713 * open/close events, so we must prevent the firmware from 714 * clearing out state the clients might need. 715 * 716 * MDM9x30 is the first QMI chipset with USB3 support. Abuse 717 * this fact to enable the quirk for all USB3 devices. 718 * 719 * There are also chipsets with the same "set DTR" requirement 720 * but without USB3 support. Devices based on these chips 721 * need a quirk flag in the device ID table. 722 */ 723 if (dev->driver_info->data & QMI_WWAN_QUIRK_DTR || 724 le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 725 qmi_wwan_manage_power(dev, 1); 726 qmi_wwan_change_dtr(dev, true); 727 } 728 729 /* Never use the same address on both ends of the link, even if the 730 * buggy firmware told us to. Or, if device is assigned the well-known 731 * buggy firmware MAC address, replace it with a random address, 732 */ 733 if (ether_addr_equal(dev->net->dev_addr, default_modem_addr) || 734 ether_addr_equal(dev->net->dev_addr, buggy_fw_addr)) 735 eth_hw_addr_random(dev->net); 736 737 /* make MAC addr easily distinguishable from an IP header */ 738 if (possibly_iphdr(dev->net->dev_addr)) { 739 dev->net->dev_addr[0] |= 0x02; /* set local assignment bit */ 740 dev->net->dev_addr[0] &= 0xbf; /* clear "IP" bit */ 741 } 742 dev->net->netdev_ops = &qmi_wwan_netdev_ops; 743 dev->net->sysfs_groups[0] = &qmi_wwan_sysfs_attr_group; 744 err: 745 return status; 746 } 747 748 static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf) 749 { 750 struct qmi_wwan_state *info = (void *)&dev->data; 751 struct usb_driver *driver = driver_of(intf); 752 struct usb_interface *other; 753 754 if (info->subdriver && info->subdriver->disconnect) 755 info->subdriver->disconnect(info->control); 756 757 /* disable MDM9x30 quirk */ 758 if (le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 759 qmi_wwan_change_dtr(dev, false); 760 qmi_wwan_manage_power(dev, 0); 761 } 762 763 /* allow user to unbind using either control or data */ 764 if (intf == info->control) 765 other = info->data; 766 else 767 other = info->control; 768 769 /* only if not shared */ 770 if (other && intf != other) { 771 usb_set_intfdata(other, NULL); 772 usb_driver_release_interface(driver, other); 773 } 774 775 info->subdriver = NULL; 776 info->data = NULL; 777 info->control = NULL; 778 } 779 780 /* suspend/resume wrappers calling both usbnet and the cdc-wdm 781 * subdriver if present. 782 * 783 * NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide 784 * wrappers for those without adding usbnet reset support first. 785 */ 786 static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message) 787 { 788 struct usbnet *dev = usb_get_intfdata(intf); 789 struct qmi_wwan_state *info = (void *)&dev->data; 790 int ret; 791 792 /* Both usbnet_suspend() and subdriver->suspend() MUST return 0 793 * in system sleep context, otherwise, the resume callback has 794 * to recover device from previous suspend failure. 795 */ 796 ret = usbnet_suspend(intf, message); 797 if (ret < 0) 798 goto err; 799 800 if (intf == info->control && info->subdriver && 801 info->subdriver->suspend) 802 ret = info->subdriver->suspend(intf, message); 803 if (ret < 0) 804 usbnet_resume(intf); 805 err: 806 return ret; 807 } 808 809 static int qmi_wwan_resume(struct usb_interface *intf) 810 { 811 struct usbnet *dev = usb_get_intfdata(intf); 812 struct qmi_wwan_state *info = (void *)&dev->data; 813 int ret = 0; 814 bool callsub = (intf == info->control && info->subdriver && 815 info->subdriver->resume); 816 817 if (callsub) 818 ret = info->subdriver->resume(intf); 819 if (ret < 0) 820 goto err; 821 ret = usbnet_resume(intf); 822 if (ret < 0 && callsub) 823 info->subdriver->suspend(intf, PMSG_SUSPEND); 824 err: 825 return ret; 826 } 827 828 static const struct driver_info qmi_wwan_info = { 829 .description = "WWAN/QMI device", 830 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 831 .bind = qmi_wwan_bind, 832 .unbind = qmi_wwan_unbind, 833 .manage_power = qmi_wwan_manage_power, 834 .rx_fixup = qmi_wwan_rx_fixup, 835 }; 836 837 static const struct driver_info qmi_wwan_info_quirk_dtr = { 838 .description = "WWAN/QMI device", 839 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 840 .bind = qmi_wwan_bind, 841 .unbind = qmi_wwan_unbind, 842 .manage_power = qmi_wwan_manage_power, 843 .rx_fixup = qmi_wwan_rx_fixup, 844 .data = QMI_WWAN_QUIRK_DTR, 845 }; 846 847 #define HUAWEI_VENDOR_ID 0x12D1 848 849 /* map QMI/wwan function by a fixed interface number */ 850 #define QMI_FIXED_INTF(vend, prod, num) \ 851 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 852 .driver_info = (unsigned long)&qmi_wwan_info 853 854 /* devices requiring "set DTR" quirk */ 855 #define QMI_QUIRK_SET_DTR(vend, prod, num) \ 856 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 857 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 858 859 /* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */ 860 #define QMI_GOBI1K_DEVICE(vend, prod) \ 861 QMI_FIXED_INTF(vend, prod, 3) 862 863 /* Gobi 2000/3000 QMI/wwan interface number is 0 according to qcserial */ 864 #define QMI_GOBI_DEVICE(vend, prod) \ 865 QMI_FIXED_INTF(vend, prod, 0) 866 867 static const struct usb_device_id products[] = { 868 /* 1. CDC ECM like devices match on the control interface */ 869 { /* Huawei E392, E398 and possibly others sharing both device id and more... */ 870 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 9), 871 .driver_info = (unsigned long)&qmi_wwan_info, 872 }, 873 { /* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */ 874 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 57), 875 .driver_info = (unsigned long)&qmi_wwan_info, 876 }, 877 { /* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */ 878 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69), 879 .driver_info = (unsigned long)&qmi_wwan_info, 880 }, 881 { /* Motorola Mapphone devices with MDM6600 */ 882 USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC, 0xfb, 0xff), 883 .driver_info = (unsigned long)&qmi_wwan_info, 884 }, 885 886 /* 2. Combined interface devices matching on class+protocol */ 887 { /* Huawei E367 and possibly others in "Windows mode" */ 888 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7), 889 .driver_info = (unsigned long)&qmi_wwan_info, 890 }, 891 { /* Huawei E392, E398 and possibly others in "Windows mode" */ 892 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17), 893 .driver_info = (unsigned long)&qmi_wwan_info, 894 }, 895 { /* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */ 896 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x37), 897 .driver_info = (unsigned long)&qmi_wwan_info, 898 }, 899 { /* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */ 900 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x67), 901 .driver_info = (unsigned long)&qmi_wwan_info, 902 }, 903 { /* Pantech UML290, P4200 and more */ 904 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff), 905 .driver_info = (unsigned long)&qmi_wwan_info, 906 }, 907 { /* Pantech UML290 - newer firmware */ 908 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff), 909 .driver_info = (unsigned long)&qmi_wwan_info, 910 }, 911 { /* Novatel USB551L and MC551 */ 912 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001, 913 USB_CLASS_COMM, 914 USB_CDC_SUBCLASS_ETHERNET, 915 USB_CDC_PROTO_NONE), 916 .driver_info = (unsigned long)&qmi_wwan_info, 917 }, 918 { /* Novatel E362 */ 919 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010, 920 USB_CLASS_COMM, 921 USB_CDC_SUBCLASS_ETHERNET, 922 USB_CDC_PROTO_NONE), 923 .driver_info = (unsigned long)&qmi_wwan_info, 924 }, 925 { /* Novatel Expedite E371 */ 926 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9011, 927 USB_CLASS_COMM, 928 USB_CDC_SUBCLASS_ETHERNET, 929 USB_CDC_PROTO_NONE), 930 .driver_info = (unsigned long)&qmi_wwan_info, 931 }, 932 { /* Dell Wireless 5800 (Novatel E362) */ 933 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195, 934 USB_CLASS_COMM, 935 USB_CDC_SUBCLASS_ETHERNET, 936 USB_CDC_PROTO_NONE), 937 .driver_info = (unsigned long)&qmi_wwan_info, 938 }, 939 { /* Dell Wireless 5800 V2 (Novatel E362) */ 940 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196, 941 USB_CLASS_COMM, 942 USB_CDC_SUBCLASS_ETHERNET, 943 USB_CDC_PROTO_NONE), 944 .driver_info = (unsigned long)&qmi_wwan_info, 945 }, 946 { /* Dell Wireless 5804 (Novatel E371) */ 947 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b, 948 USB_CLASS_COMM, 949 USB_CDC_SUBCLASS_ETHERNET, 950 USB_CDC_PROTO_NONE), 951 .driver_info = (unsigned long)&qmi_wwan_info, 952 }, 953 { /* ADU960S */ 954 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, 955 USB_CLASS_COMM, 956 USB_CDC_SUBCLASS_ETHERNET, 957 USB_CDC_PROTO_NONE), 958 .driver_info = (unsigned long)&qmi_wwan_info, 959 }, 960 { /* HP lt2523 (Novatel E371) */ 961 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 962 USB_CLASS_COMM, 963 USB_CDC_SUBCLASS_ETHERNET, 964 USB_CDC_PROTO_NONE), 965 .driver_info = (unsigned long)&qmi_wwan_info, 966 }, 967 { /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */ 968 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7), 969 .driver_info = (unsigned long)&qmi_wwan_info, 970 }, 971 { /* Quectel EP06/EG06/EM06 */ 972 USB_DEVICE_AND_INTERFACE_INFO(0x2c7c, 0x0306, 973 USB_CLASS_VENDOR_SPEC, 974 USB_SUBCLASS_VENDOR_SPEC, 975 0xff), 976 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr, 977 }, 978 979 /* 3. Combined interface devices matching on interface number */ 980 {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */ 981 {QMI_FIXED_INTF(0x05c6, 0x6001, 3)}, /* 4G LTE usb-modem U901 */ 982 {QMI_FIXED_INTF(0x05c6, 0x7000, 0)}, 983 {QMI_FIXED_INTF(0x05c6, 0x7001, 1)}, 984 {QMI_FIXED_INTF(0x05c6, 0x7002, 1)}, 985 {QMI_FIXED_INTF(0x05c6, 0x7101, 1)}, 986 {QMI_FIXED_INTF(0x05c6, 0x7101, 2)}, 987 {QMI_FIXED_INTF(0x05c6, 0x7101, 3)}, 988 {QMI_FIXED_INTF(0x05c6, 0x7102, 1)}, 989 {QMI_FIXED_INTF(0x05c6, 0x7102, 2)}, 990 {QMI_FIXED_INTF(0x05c6, 0x7102, 3)}, 991 {QMI_FIXED_INTF(0x05c6, 0x8000, 7)}, 992 {QMI_FIXED_INTF(0x05c6, 0x8001, 6)}, 993 {QMI_FIXED_INTF(0x05c6, 0x9000, 4)}, 994 {QMI_FIXED_INTF(0x05c6, 0x9003, 4)}, 995 {QMI_FIXED_INTF(0x05c6, 0x9005, 2)}, 996 {QMI_FIXED_INTF(0x05c6, 0x900a, 4)}, 997 {QMI_FIXED_INTF(0x05c6, 0x900b, 2)}, 998 {QMI_FIXED_INTF(0x05c6, 0x900c, 4)}, 999 {QMI_FIXED_INTF(0x05c6, 0x900c, 5)}, 1000 {QMI_FIXED_INTF(0x05c6, 0x900c, 6)}, 1001 {QMI_FIXED_INTF(0x05c6, 0x900d, 5)}, 1002 {QMI_FIXED_INTF(0x05c6, 0x900f, 3)}, 1003 {QMI_FIXED_INTF(0x05c6, 0x900f, 4)}, 1004 {QMI_FIXED_INTF(0x05c6, 0x900f, 5)}, 1005 {QMI_FIXED_INTF(0x05c6, 0x9010, 4)}, 1006 {QMI_FIXED_INTF(0x05c6, 0x9010, 5)}, 1007 {QMI_FIXED_INTF(0x05c6, 0x9011, 3)}, 1008 {QMI_FIXED_INTF(0x05c6, 0x9011, 4)}, 1009 {QMI_FIXED_INTF(0x05c6, 0x9021, 1)}, 1010 {QMI_FIXED_INTF(0x05c6, 0x9022, 2)}, 1011 {QMI_FIXED_INTF(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD LTE (China Mobile) */ 1012 {QMI_FIXED_INTF(0x05c6, 0x9026, 3)}, 1013 {QMI_FIXED_INTF(0x05c6, 0x902e, 5)}, 1014 {QMI_FIXED_INTF(0x05c6, 0x9031, 5)}, 1015 {QMI_FIXED_INTF(0x05c6, 0x9032, 4)}, 1016 {QMI_FIXED_INTF(0x05c6, 0x9033, 3)}, 1017 {QMI_FIXED_INTF(0x05c6, 0x9033, 4)}, 1018 {QMI_FIXED_INTF(0x05c6, 0x9033, 5)}, 1019 {QMI_FIXED_INTF(0x05c6, 0x9033, 6)}, 1020 {QMI_FIXED_INTF(0x05c6, 0x9034, 3)}, 1021 {QMI_FIXED_INTF(0x05c6, 0x9034, 4)}, 1022 {QMI_FIXED_INTF(0x05c6, 0x9034, 5)}, 1023 {QMI_FIXED_INTF(0x05c6, 0x9034, 6)}, 1024 {QMI_FIXED_INTF(0x05c6, 0x9034, 7)}, 1025 {QMI_FIXED_INTF(0x05c6, 0x9035, 4)}, 1026 {QMI_FIXED_INTF(0x05c6, 0x9036, 3)}, 1027 {QMI_FIXED_INTF(0x05c6, 0x9037, 5)}, 1028 {QMI_FIXED_INTF(0x05c6, 0x9038, 4)}, 1029 {QMI_FIXED_INTF(0x05c6, 0x903b, 7)}, 1030 {QMI_FIXED_INTF(0x05c6, 0x903c, 6)}, 1031 {QMI_FIXED_INTF(0x05c6, 0x903d, 6)}, 1032 {QMI_FIXED_INTF(0x05c6, 0x903e, 5)}, 1033 {QMI_FIXED_INTF(0x05c6, 0x9043, 3)}, 1034 {QMI_FIXED_INTF(0x05c6, 0x9046, 3)}, 1035 {QMI_FIXED_INTF(0x05c6, 0x9046, 4)}, 1036 {QMI_FIXED_INTF(0x05c6, 0x9046, 5)}, 1037 {QMI_FIXED_INTF(0x05c6, 0x9047, 2)}, 1038 {QMI_FIXED_INTF(0x05c6, 0x9047, 3)}, 1039 {QMI_FIXED_INTF(0x05c6, 0x9047, 4)}, 1040 {QMI_FIXED_INTF(0x05c6, 0x9048, 4)}, 1041 {QMI_FIXED_INTF(0x05c6, 0x9048, 5)}, 1042 {QMI_FIXED_INTF(0x05c6, 0x9048, 6)}, 1043 {QMI_FIXED_INTF(0x05c6, 0x9048, 7)}, 1044 {QMI_FIXED_INTF(0x05c6, 0x9048, 8)}, 1045 {QMI_FIXED_INTF(0x05c6, 0x904c, 5)}, 1046 {QMI_FIXED_INTF(0x05c6, 0x904c, 6)}, 1047 {QMI_FIXED_INTF(0x05c6, 0x904c, 7)}, 1048 {QMI_FIXED_INTF(0x05c6, 0x904c, 8)}, 1049 {QMI_FIXED_INTF(0x05c6, 0x9050, 3)}, 1050 {QMI_FIXED_INTF(0x05c6, 0x9052, 4)}, 1051 {QMI_FIXED_INTF(0x05c6, 0x9053, 6)}, 1052 {QMI_FIXED_INTF(0x05c6, 0x9053, 7)}, 1053 {QMI_FIXED_INTF(0x05c6, 0x9054, 5)}, 1054 {QMI_FIXED_INTF(0x05c6, 0x9054, 6)}, 1055 {QMI_FIXED_INTF(0x05c6, 0x9055, 3)}, 1056 {QMI_FIXED_INTF(0x05c6, 0x9055, 4)}, 1057 {QMI_FIXED_INTF(0x05c6, 0x9055, 5)}, 1058 {QMI_FIXED_INTF(0x05c6, 0x9055, 6)}, 1059 {QMI_FIXED_INTF(0x05c6, 0x9055, 7)}, 1060 {QMI_FIXED_INTF(0x05c6, 0x9056, 3)}, 1061 {QMI_FIXED_INTF(0x05c6, 0x9062, 2)}, 1062 {QMI_FIXED_INTF(0x05c6, 0x9062, 3)}, 1063 {QMI_FIXED_INTF(0x05c6, 0x9062, 4)}, 1064 {QMI_FIXED_INTF(0x05c6, 0x9062, 5)}, 1065 {QMI_FIXED_INTF(0x05c6, 0x9062, 6)}, 1066 {QMI_FIXED_INTF(0x05c6, 0x9062, 7)}, 1067 {QMI_FIXED_INTF(0x05c6, 0x9062, 8)}, 1068 {QMI_FIXED_INTF(0x05c6, 0x9062, 9)}, 1069 {QMI_FIXED_INTF(0x05c6, 0x9064, 3)}, 1070 {QMI_FIXED_INTF(0x05c6, 0x9065, 6)}, 1071 {QMI_FIXED_INTF(0x05c6, 0x9065, 7)}, 1072 {QMI_FIXED_INTF(0x05c6, 0x9066, 5)}, 1073 {QMI_FIXED_INTF(0x05c6, 0x9066, 6)}, 1074 {QMI_FIXED_INTF(0x05c6, 0x9067, 1)}, 1075 {QMI_FIXED_INTF(0x05c6, 0x9068, 2)}, 1076 {QMI_FIXED_INTF(0x05c6, 0x9068, 3)}, 1077 {QMI_FIXED_INTF(0x05c6, 0x9068, 4)}, 1078 {QMI_FIXED_INTF(0x05c6, 0x9068, 5)}, 1079 {QMI_FIXED_INTF(0x05c6, 0x9068, 6)}, 1080 {QMI_FIXED_INTF(0x05c6, 0x9068, 7)}, 1081 {QMI_FIXED_INTF(0x05c6, 0x9069, 5)}, 1082 {QMI_FIXED_INTF(0x05c6, 0x9069, 6)}, 1083 {QMI_FIXED_INTF(0x05c6, 0x9069, 7)}, 1084 {QMI_FIXED_INTF(0x05c6, 0x9069, 8)}, 1085 {QMI_FIXED_INTF(0x05c6, 0x9070, 4)}, 1086 {QMI_FIXED_INTF(0x05c6, 0x9070, 5)}, 1087 {QMI_FIXED_INTF(0x05c6, 0x9075, 5)}, 1088 {QMI_FIXED_INTF(0x05c6, 0x9076, 4)}, 1089 {QMI_FIXED_INTF(0x05c6, 0x9076, 5)}, 1090 {QMI_FIXED_INTF(0x05c6, 0x9076, 6)}, 1091 {QMI_FIXED_INTF(0x05c6, 0x9076, 7)}, 1092 {QMI_FIXED_INTF(0x05c6, 0x9076, 8)}, 1093 {QMI_FIXED_INTF(0x05c6, 0x9077, 3)}, 1094 {QMI_FIXED_INTF(0x05c6, 0x9077, 4)}, 1095 {QMI_FIXED_INTF(0x05c6, 0x9077, 5)}, 1096 {QMI_FIXED_INTF(0x05c6, 0x9077, 6)}, 1097 {QMI_FIXED_INTF(0x05c6, 0x9078, 3)}, 1098 {QMI_FIXED_INTF(0x05c6, 0x9079, 4)}, 1099 {QMI_FIXED_INTF(0x05c6, 0x9079, 5)}, 1100 {QMI_FIXED_INTF(0x05c6, 0x9079, 6)}, 1101 {QMI_FIXED_INTF(0x05c6, 0x9079, 7)}, 1102 {QMI_FIXED_INTF(0x05c6, 0x9079, 8)}, 1103 {QMI_FIXED_INTF(0x05c6, 0x9080, 5)}, 1104 {QMI_FIXED_INTF(0x05c6, 0x9080, 6)}, 1105 {QMI_FIXED_INTF(0x05c6, 0x9080, 7)}, 1106 {QMI_FIXED_INTF(0x05c6, 0x9080, 8)}, 1107 {QMI_FIXED_INTF(0x05c6, 0x9083, 3)}, 1108 {QMI_FIXED_INTF(0x05c6, 0x9084, 4)}, 1109 {QMI_FIXED_INTF(0x05c6, 0x90b2, 3)}, /* ublox R410M */ 1110 {QMI_FIXED_INTF(0x05c6, 0x920d, 0)}, 1111 {QMI_FIXED_INTF(0x05c6, 0x920d, 5)}, 1112 {QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)}, /* YUGA CLM920-NC5 */ 1113 {QMI_FIXED_INTF(0x0846, 0x68a2, 8)}, 1114 {QMI_FIXED_INTF(0x0846, 0x68d3, 8)}, /* Netgear Aircard 779S */ 1115 {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ 1116 {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */ 1117 {QMI_FIXED_INTF(0x1435, 0xd181, 3)}, /* Wistron NeWeb D18Q1 */ 1118 {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */ 1119 {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */ 1120 {QMI_FIXED_INTF(0x1435, 0xd191, 4)}, /* Wistron NeWeb D19Q1 */ 1121 {QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)}, /* Fibocom NL668 series */ 1122 {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ 1123 {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */ 1124 {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */ 1125 {QMI_FIXED_INTF(0x16d8, 0x6280, 0)}, /* CMOTech CHU-628 */ 1126 {QMI_FIXED_INTF(0x16d8, 0x7001, 0)}, /* CMOTech CHU-720S */ 1127 {QMI_FIXED_INTF(0x16d8, 0x7002, 0)}, /* CMOTech 7002 */ 1128 {QMI_FIXED_INTF(0x16d8, 0x7003, 4)}, /* CMOTech CHU-629K */ 1129 {QMI_FIXED_INTF(0x16d8, 0x7004, 3)}, /* CMOTech 7004 */ 1130 {QMI_FIXED_INTF(0x16d8, 0x7006, 5)}, /* CMOTech CGU-629 */ 1131 {QMI_FIXED_INTF(0x16d8, 0x700a, 4)}, /* CMOTech CHU-629S */ 1132 {QMI_FIXED_INTF(0x16d8, 0x7211, 0)}, /* CMOTech CHU-720I */ 1133 {QMI_FIXED_INTF(0x16d8, 0x7212, 0)}, /* CMOTech 7212 */ 1134 {QMI_FIXED_INTF(0x16d8, 0x7213, 0)}, /* CMOTech 7213 */ 1135 {QMI_FIXED_INTF(0x16d8, 0x7251, 1)}, /* CMOTech 7251 */ 1136 {QMI_FIXED_INTF(0x16d8, 0x7252, 1)}, /* CMOTech 7252 */ 1137 {QMI_FIXED_INTF(0x16d8, 0x7253, 1)}, /* CMOTech 7253 */ 1138 {QMI_FIXED_INTF(0x19d2, 0x0002, 1)}, 1139 {QMI_FIXED_INTF(0x19d2, 0x0012, 1)}, 1140 {QMI_FIXED_INTF(0x19d2, 0x0017, 3)}, 1141 {QMI_FIXED_INTF(0x19d2, 0x0019, 3)}, /* ONDA MT689DC */ 1142 {QMI_FIXED_INTF(0x19d2, 0x0021, 4)}, 1143 {QMI_FIXED_INTF(0x19d2, 0x0025, 1)}, 1144 {QMI_FIXED_INTF(0x19d2, 0x0031, 4)}, 1145 {QMI_FIXED_INTF(0x19d2, 0x0042, 4)}, 1146 {QMI_FIXED_INTF(0x19d2, 0x0049, 5)}, 1147 {QMI_FIXED_INTF(0x19d2, 0x0052, 4)}, 1148 {QMI_FIXED_INTF(0x19d2, 0x0055, 1)}, /* ZTE (Vodafone) K3520-Z */ 1149 {QMI_FIXED_INTF(0x19d2, 0x0058, 4)}, 1150 {QMI_FIXED_INTF(0x19d2, 0x0063, 4)}, /* ZTE (Vodafone) K3565-Z */ 1151 {QMI_FIXED_INTF(0x19d2, 0x0104, 4)}, /* ZTE (Vodafone) K4505-Z */ 1152 {QMI_FIXED_INTF(0x19d2, 0x0113, 5)}, 1153 {QMI_FIXED_INTF(0x19d2, 0x0118, 5)}, 1154 {QMI_FIXED_INTF(0x19d2, 0x0121, 5)}, 1155 {QMI_FIXED_INTF(0x19d2, 0x0123, 4)}, 1156 {QMI_FIXED_INTF(0x19d2, 0x0124, 5)}, 1157 {QMI_FIXED_INTF(0x19d2, 0x0125, 6)}, 1158 {QMI_FIXED_INTF(0x19d2, 0x0126, 5)}, 1159 {QMI_FIXED_INTF(0x19d2, 0x0130, 1)}, 1160 {QMI_FIXED_INTF(0x19d2, 0x0133, 3)}, 1161 {QMI_FIXED_INTF(0x19d2, 0x0141, 5)}, 1162 {QMI_FIXED_INTF(0x19d2, 0x0157, 5)}, /* ZTE MF683 */ 1163 {QMI_FIXED_INTF(0x19d2, 0x0158, 3)}, 1164 {QMI_FIXED_INTF(0x19d2, 0x0167, 4)}, /* ZTE MF820D */ 1165 {QMI_FIXED_INTF(0x19d2, 0x0168, 4)}, 1166 {QMI_FIXED_INTF(0x19d2, 0x0176, 3)}, 1167 {QMI_FIXED_INTF(0x19d2, 0x0178, 3)}, 1168 {QMI_FIXED_INTF(0x19d2, 0x0191, 4)}, /* ZTE EuFi890 */ 1169 {QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */ 1170 {QMI_FIXED_INTF(0x19d2, 0x0200, 1)}, 1171 {QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */ 1172 {QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */ 1173 {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */ 1174 {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */ 1175 {QMI_FIXED_INTF(0x19d2, 0x0412, 4)}, /* Telewell TW-LTE 4G */ 1176 {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */ 1177 {QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */ 1178 {QMI_FIXED_INTF(0x19d2, 0x1012, 4)}, 1179 {QMI_FIXED_INTF(0x19d2, 0x1018, 3)}, /* ZTE (Vodafone) K5006-Z */ 1180 {QMI_FIXED_INTF(0x19d2, 0x1021, 2)}, 1181 {QMI_FIXED_INTF(0x19d2, 0x1245, 4)}, 1182 {QMI_FIXED_INTF(0x19d2, 0x1247, 4)}, 1183 {QMI_FIXED_INTF(0x19d2, 0x1252, 4)}, 1184 {QMI_FIXED_INTF(0x19d2, 0x1254, 4)}, 1185 {QMI_FIXED_INTF(0x19d2, 0x1255, 3)}, 1186 {QMI_FIXED_INTF(0x19d2, 0x1255, 4)}, 1187 {QMI_FIXED_INTF(0x19d2, 0x1256, 4)}, 1188 {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */ 1189 {QMI_FIXED_INTF(0x19d2, 0x1401, 2)}, 1190 {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */ 1191 {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, 1192 {QMI_FIXED_INTF(0x19d2, 0x1425, 2)}, 1193 {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */ 1194 {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */ 1195 {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ 1196 {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */ 1197 {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */ 1198 {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */ 1199 {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ 1200 {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ 1201 {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ 1202 {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ 1203 {QMI_FIXED_INTF(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354 */ 1204 {QMI_FIXED_INTF(0x1199, 0x68c0, 10)}, /* Sierra Wireless MC7304/MC7354 */ 1205 {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ 1206 {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */ 1207 {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */ 1208 {QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */ 1209 {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ 1210 {QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */ 1211 {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */ 1212 {QMI_FIXED_INTF(0x1199, 0x9055, 8)}, /* Netgear AirCard 341U */ 1213 {QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */ 1214 {QMI_FIXED_INTF(0x1199, 0x9057, 8)}, 1215 {QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */ 1216 {QMI_FIXED_INTF(0x1199, 0x9063, 8)}, /* Sierra Wireless EM7305 */ 1217 {QMI_FIXED_INTF(0x1199, 0x9063, 10)}, /* Sierra Wireless EM7305 */ 1218 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 8)}, /* Sierra Wireless MC74xx */ 1219 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 10)},/* Sierra Wireless MC74xx */ 1220 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 8)}, /* Sierra Wireless EM74xx */ 1221 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 10)},/* Sierra Wireless EM74xx */ 1222 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 8)}, /* Sierra Wireless EM74xx */ 1223 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 10)},/* Sierra Wireless EM74xx */ 1224 {QMI_QUIRK_SET_DTR(0x1199, 0x9091, 8)}, /* Sierra Wireless EM7565 */ 1225 {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ 1226 {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */ 1227 {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ 1228 {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ 1229 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ 1230 {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ 1231 {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */ 1232 {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ 1233 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */ 1234 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */ 1235 {QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */ 1236 {QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */ 1237 {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ 1238 {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ 1239 {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ 1240 {QMI_FIXED_INTF(0x0b3c, 0xc002, 4)}, /* Olivetti Olicard 140 */ 1241 {QMI_FIXED_INTF(0x0b3c, 0xc004, 6)}, /* Olivetti Olicard 155 */ 1242 {QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */ 1243 {QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */ 1244 {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */ 1245 {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ 1246 {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */ 1247 {QMI_FIXED_INTF(0x1e2d, 0x0063, 10)}, /* Cinterion ALASxx (1 RmNet) */ 1248 {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1249 {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1250 {QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/ 1251 {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ 1252 {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ 1253 {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ 1254 {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ 1255 {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ 1256 {QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ 1257 {QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ 1258 {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */ 1259 {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */ 1260 {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */ 1261 {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ 1262 {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ 1263 {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ 1264 {QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */ 1265 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0125, 4)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ 1266 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */ 1267 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */ 1268 {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ 1269 {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */ 1270 1271 /* 4. Gobi 1000 devices */ 1272 {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ 1273 {QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ 1274 {QMI_GOBI1K_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ 1275 {QMI_GOBI1K_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ 1276 {QMI_GOBI1K_DEVICE(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */ 1277 {QMI_GOBI1K_DEVICE(0x1410, 0xa002)}, /* Novatel Gobi Modem device */ 1278 {QMI_GOBI1K_DEVICE(0x1410, 0xa003)}, /* Novatel Gobi Modem device */ 1279 {QMI_GOBI1K_DEVICE(0x1410, 0xa004)}, /* Novatel Gobi Modem device */ 1280 {QMI_GOBI1K_DEVICE(0x1410, 0xa005)}, /* Novatel Gobi Modem device */ 1281 {QMI_GOBI1K_DEVICE(0x1410, 0xa006)}, /* Novatel Gobi Modem device */ 1282 {QMI_GOBI1K_DEVICE(0x1410, 0xa007)}, /* Novatel Gobi Modem device */ 1283 {QMI_GOBI1K_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ 1284 {QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ 1285 {QMI_GOBI1K_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ 1286 {QMI_GOBI1K_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ 1287 {QMI_GOBI1K_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ 1288 {QMI_GOBI1K_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ 1289 {QMI_GOBI1K_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ 1290 {QMI_GOBI1K_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ 1291 1292 /* 5. Gobi 2000 and 3000 devices */ 1293 {QMI_GOBI_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ 1294 {QMI_GOBI_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ 1295 {QMI_GOBI_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ 1296 {QMI_GOBI_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ 1297 {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ 1298 {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ 1299 {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ 1300 {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */ 1301 {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ 1302 {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ 1303 {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ 1304 {QMI_GOBI_DEVICE(0x0af0, 0x8120)}, /* Option GTM681W */ 1305 {QMI_GOBI_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */ 1306 {QMI_GOBI_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */ 1307 {QMI_GOBI_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1308 {QMI_GOBI_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1309 {QMI_GOBI_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1310 {QMI_GOBI_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1311 {QMI_GOBI_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1312 {QMI_GOBI_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1313 {QMI_GOBI_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1314 {QMI_GOBI_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1315 {QMI_GOBI_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1316 {QMI_GOBI_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1317 {QMI_GOBI_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ 1318 {QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ 1319 {QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ 1320 {QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ 1321 {QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ 1322 {QMI_GOBI_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ 1323 {QMI_GOBI_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ 1324 {QMI_GOBI_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ 1325 {QMI_GOBI_DEVICE(0x12d1, 0x14f1)}, /* Sony Gobi 3000 Composite */ 1326 {QMI_GOBI_DEVICE(0x1410, 0xa021)}, /* Foxconn Gobi 3000 Modem device (Novatel E396) */ 1327 1328 { } /* END */ 1329 }; 1330 MODULE_DEVICE_TABLE(usb, products); 1331 1332 static bool quectel_ec20_detected(struct usb_interface *intf) 1333 { 1334 struct usb_device *dev = interface_to_usbdev(intf); 1335 1336 if (dev->actconfig && 1337 le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 && 1338 le16_to_cpu(dev->descriptor.idProduct) == 0x9215 && 1339 dev->actconfig->desc.bNumInterfaces == 5) 1340 return true; 1341 1342 return false; 1343 } 1344 1345 static bool quectel_ep06_diag_detected(struct usb_interface *intf) 1346 { 1347 struct usb_device *dev = interface_to_usbdev(intf); 1348 struct usb_interface_descriptor intf_desc = intf->cur_altsetting->desc; 1349 1350 if (le16_to_cpu(dev->descriptor.idVendor) == 0x2c7c && 1351 le16_to_cpu(dev->descriptor.idProduct) == 0x0306 && 1352 intf_desc.bNumEndpoints == 2) 1353 return true; 1354 1355 return false; 1356 } 1357 1358 static int qmi_wwan_probe(struct usb_interface *intf, 1359 const struct usb_device_id *prod) 1360 { 1361 struct usb_device_id *id = (struct usb_device_id *)prod; 1362 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 1363 1364 /* Workaround to enable dynamic IDs. This disables usbnet 1365 * blacklisting functionality. Which, if required, can be 1366 * reimplemented here by using a magic "blacklist" value 1367 * instead of 0 in the static device id table 1368 */ 1369 if (!id->driver_info) { 1370 dev_dbg(&intf->dev, "setting defaults for dynamic device id\n"); 1371 id->driver_info = (unsigned long)&qmi_wwan_info; 1372 } 1373 1374 /* There are devices where the same interface number can be 1375 * configured as different functions. We should only bind to 1376 * vendor specific functions when matching on interface number 1377 */ 1378 if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER && 1379 desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) { 1380 dev_dbg(&intf->dev, 1381 "Rejecting interface number match for class %02x\n", 1382 desc->bInterfaceClass); 1383 return -ENODEV; 1384 } 1385 1386 /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */ 1387 if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) { 1388 dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n"); 1389 return -ENODEV; 1390 } 1391 1392 /* Quectel EP06/EM06/EG06 supports dynamic interface configuration, so 1393 * we need to match on class/subclass/protocol. These values are 1394 * identical for the diagnostic- and QMI-interface, but bNumEndpoints is 1395 * different. Ignore the current interface if the number of endpoints 1396 * the number for the diag interface (two). 1397 */ 1398 if (quectel_ep06_diag_detected(intf)) 1399 return -ENODEV; 1400 1401 return usbnet_probe(intf, id); 1402 } 1403 1404 static void qmi_wwan_disconnect(struct usb_interface *intf) 1405 { 1406 struct usbnet *dev = usb_get_intfdata(intf); 1407 struct qmi_wwan_state *info; 1408 struct list_head *iter; 1409 struct net_device *ldev; 1410 1411 /* called twice if separate control and data intf */ 1412 if (!dev) 1413 return; 1414 info = (void *)&dev->data; 1415 if (info->flags & QMI_WWAN_FLAG_MUX) { 1416 if (!rtnl_trylock()) { 1417 restart_syscall(); 1418 return; 1419 } 1420 rcu_read_lock(); 1421 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) 1422 qmimux_unregister_device(ldev); 1423 rcu_read_unlock(); 1424 rtnl_unlock(); 1425 info->flags &= ~QMI_WWAN_FLAG_MUX; 1426 } 1427 usbnet_disconnect(intf); 1428 } 1429 1430 static struct usb_driver qmi_wwan_driver = { 1431 .name = "qmi_wwan", 1432 .id_table = products, 1433 .probe = qmi_wwan_probe, 1434 .disconnect = qmi_wwan_disconnect, 1435 .suspend = qmi_wwan_suspend, 1436 .resume = qmi_wwan_resume, 1437 .reset_resume = qmi_wwan_resume, 1438 .supports_autosuspend = 1, 1439 .disable_hub_initiated_lpm = 1, 1440 }; 1441 1442 module_usb_driver(qmi_wwan_driver); 1443 1444 MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>"); 1445 MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver"); 1446 MODULE_LICENSE("GPL"); 1447