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->mtu = 1500; 127 dev->needs_free_netdev = true; 128 } 129 130 static struct net_device *qmimux_find_dev(struct usbnet *dev, u8 mux_id) 131 { 132 struct qmimux_priv *priv; 133 struct list_head *iter; 134 struct net_device *ldev; 135 136 rcu_read_lock(); 137 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) { 138 priv = netdev_priv(ldev); 139 if (priv->mux_id == mux_id) { 140 rcu_read_unlock(); 141 return ldev; 142 } 143 } 144 rcu_read_unlock(); 145 return NULL; 146 } 147 148 static bool qmimux_has_slaves(struct usbnet *dev) 149 { 150 return !list_empty(&dev->net->adj_list.upper); 151 } 152 153 static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 154 { 155 unsigned int len, offset = 0; 156 struct qmimux_hdr *hdr; 157 struct net_device *net; 158 struct sk_buff *skbn; 159 u8 qmimux_hdr_sz = sizeof(*hdr); 160 161 while (offset + qmimux_hdr_sz < skb->len) { 162 hdr = (struct qmimux_hdr *)(skb->data + offset); 163 len = be16_to_cpu(hdr->pkt_len); 164 165 /* drop the packet, bogus length */ 166 if (offset + len + qmimux_hdr_sz > skb->len) 167 return 0; 168 169 /* control packet, we do not know what to do */ 170 if (hdr->pad & 0x80) 171 goto skip; 172 173 net = qmimux_find_dev(dev, hdr->mux_id); 174 if (!net) 175 goto skip; 176 skbn = netdev_alloc_skb(net, len); 177 if (!skbn) 178 return 0; 179 skbn->dev = net; 180 181 switch (skb->data[offset + qmimux_hdr_sz] & 0xf0) { 182 case 0x40: 183 skbn->protocol = htons(ETH_P_IP); 184 break; 185 case 0x60: 186 skbn->protocol = htons(ETH_P_IPV6); 187 break; 188 default: 189 /* not ip - do not know what to do */ 190 goto skip; 191 } 192 193 skb_put_data(skbn, skb->data + offset + qmimux_hdr_sz, len); 194 if (netif_rx(skbn) != NET_RX_SUCCESS) 195 return 0; 196 197 skip: 198 offset += len + qmimux_hdr_sz; 199 } 200 return 1; 201 } 202 203 static int qmimux_register_device(struct net_device *real_dev, u8 mux_id) 204 { 205 struct net_device *new_dev; 206 struct qmimux_priv *priv; 207 int err; 208 209 new_dev = alloc_netdev(sizeof(struct qmimux_priv), 210 "qmimux%d", NET_NAME_UNKNOWN, qmimux_setup); 211 if (!new_dev) 212 return -ENOBUFS; 213 214 dev_net_set(new_dev, dev_net(real_dev)); 215 priv = netdev_priv(new_dev); 216 priv->mux_id = mux_id; 217 priv->real_dev = real_dev; 218 219 err = register_netdevice(new_dev); 220 if (err < 0) 221 goto out_free_newdev; 222 223 /* Account for reference in struct qmimux_priv_priv */ 224 dev_hold(real_dev); 225 226 err = netdev_upper_dev_link(real_dev, new_dev, NULL); 227 if (err) 228 goto out_unregister_netdev; 229 230 netif_stacked_transfer_operstate(real_dev, new_dev); 231 232 return 0; 233 234 out_unregister_netdev: 235 unregister_netdevice(new_dev); 236 dev_put(real_dev); 237 238 out_free_newdev: 239 free_netdev(new_dev); 240 return err; 241 } 242 243 static void qmimux_unregister_device(struct net_device *dev) 244 { 245 struct qmimux_priv *priv = netdev_priv(dev); 246 struct net_device *real_dev = priv->real_dev; 247 248 netdev_upper_dev_unlink(real_dev, dev); 249 unregister_netdevice(dev); 250 251 /* Get rid of the reference to real_dev */ 252 dev_put(real_dev); 253 } 254 255 static void qmi_wwan_netdev_setup(struct net_device *net) 256 { 257 struct usbnet *dev = netdev_priv(net); 258 struct qmi_wwan_state *info = (void *)&dev->data; 259 260 if (info->flags & QMI_WWAN_FLAG_RAWIP) { 261 net->header_ops = NULL; /* No header */ 262 net->type = ARPHRD_NONE; 263 net->hard_header_len = 0; 264 net->addr_len = 0; 265 net->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 266 set_bit(EVENT_NO_IP_ALIGN, &dev->flags); 267 netdev_dbg(net, "mode: raw IP\n"); 268 } else if (!net->header_ops) { /* don't bother if already set */ 269 ether_setup(net); 270 clear_bit(EVENT_NO_IP_ALIGN, &dev->flags); 271 netdev_dbg(net, "mode: Ethernet\n"); 272 } 273 274 /* recalculate buffers after changing hard_header_len */ 275 usbnet_change_mtu(net, net->mtu); 276 } 277 278 static ssize_t raw_ip_show(struct device *d, struct device_attribute *attr, char *buf) 279 { 280 struct usbnet *dev = netdev_priv(to_net_dev(d)); 281 struct qmi_wwan_state *info = (void *)&dev->data; 282 283 return sprintf(buf, "%c\n", info->flags & QMI_WWAN_FLAG_RAWIP ? 'Y' : 'N'); 284 } 285 286 static ssize_t raw_ip_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 287 { 288 struct usbnet *dev = netdev_priv(to_net_dev(d)); 289 struct qmi_wwan_state *info = (void *)&dev->data; 290 bool enable; 291 int ret; 292 293 if (strtobool(buf, &enable)) 294 return -EINVAL; 295 296 /* no change? */ 297 if (enable == (info->flags & QMI_WWAN_FLAG_RAWIP)) 298 return len; 299 300 if (!rtnl_trylock()) 301 return restart_syscall(); 302 303 /* we don't want to modify a running netdev */ 304 if (netif_running(dev->net)) { 305 netdev_err(dev->net, "Cannot change a running device\n"); 306 ret = -EBUSY; 307 goto err; 308 } 309 310 /* let other drivers deny the change */ 311 ret = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev->net); 312 ret = notifier_to_errno(ret); 313 if (ret) { 314 netdev_err(dev->net, "Type change was refused\n"); 315 goto err; 316 } 317 318 if (enable) 319 info->flags |= QMI_WWAN_FLAG_RAWIP; 320 else 321 info->flags &= ~QMI_WWAN_FLAG_RAWIP; 322 qmi_wwan_netdev_setup(dev->net); 323 call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev->net); 324 ret = len; 325 err: 326 rtnl_unlock(); 327 return ret; 328 } 329 330 static ssize_t add_mux_show(struct device *d, struct device_attribute *attr, char *buf) 331 { 332 struct net_device *dev = to_net_dev(d); 333 struct qmimux_priv *priv; 334 struct list_head *iter; 335 struct net_device *ldev; 336 ssize_t count = 0; 337 338 rcu_read_lock(); 339 netdev_for_each_upper_dev_rcu(dev, ldev, iter) { 340 priv = netdev_priv(ldev); 341 count += scnprintf(&buf[count], PAGE_SIZE - count, 342 "0x%02x\n", priv->mux_id); 343 } 344 rcu_read_unlock(); 345 return count; 346 } 347 348 static ssize_t add_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 349 { 350 struct usbnet *dev = netdev_priv(to_net_dev(d)); 351 struct qmi_wwan_state *info = (void *)&dev->data; 352 u8 mux_id; 353 int ret; 354 355 if (kstrtou8(buf, 0, &mux_id)) 356 return -EINVAL; 357 358 /* mux_id [1 - 0x7f] range empirically found */ 359 if (mux_id < 1 || mux_id > 0x7f) 360 return -EINVAL; 361 362 if (!rtnl_trylock()) 363 return restart_syscall(); 364 365 if (qmimux_find_dev(dev, mux_id)) { 366 netdev_err(dev->net, "mux_id already present\n"); 367 ret = -EINVAL; 368 goto err; 369 } 370 371 /* we don't want to modify a running netdev */ 372 if (netif_running(dev->net)) { 373 netdev_err(dev->net, "Cannot change a running device\n"); 374 ret = -EBUSY; 375 goto err; 376 } 377 378 ret = qmimux_register_device(dev->net, mux_id); 379 if (!ret) { 380 info->flags |= QMI_WWAN_FLAG_MUX; 381 ret = len; 382 } 383 err: 384 rtnl_unlock(); 385 return ret; 386 } 387 388 static ssize_t del_mux_show(struct device *d, struct device_attribute *attr, char *buf) 389 { 390 return add_mux_show(d, attr, buf); 391 } 392 393 static ssize_t del_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 394 { 395 struct usbnet *dev = netdev_priv(to_net_dev(d)); 396 struct qmi_wwan_state *info = (void *)&dev->data; 397 struct net_device *del_dev; 398 u8 mux_id; 399 int ret = 0; 400 401 if (kstrtou8(buf, 0, &mux_id)) 402 return -EINVAL; 403 404 if (!rtnl_trylock()) 405 return restart_syscall(); 406 407 /* we don't want to modify a running netdev */ 408 if (netif_running(dev->net)) { 409 netdev_err(dev->net, "Cannot change a running device\n"); 410 ret = -EBUSY; 411 goto err; 412 } 413 414 del_dev = qmimux_find_dev(dev, mux_id); 415 if (!del_dev) { 416 netdev_err(dev->net, "mux_id not present\n"); 417 ret = -EINVAL; 418 goto err; 419 } 420 qmimux_unregister_device(del_dev); 421 422 if (!qmimux_has_slaves(dev)) 423 info->flags &= ~QMI_WWAN_FLAG_MUX; 424 ret = len; 425 err: 426 rtnl_unlock(); 427 return ret; 428 } 429 430 static DEVICE_ATTR_RW(raw_ip); 431 static DEVICE_ATTR_RW(add_mux); 432 static DEVICE_ATTR_RW(del_mux); 433 434 static struct attribute *qmi_wwan_sysfs_attrs[] = { 435 &dev_attr_raw_ip.attr, 436 &dev_attr_add_mux.attr, 437 &dev_attr_del_mux.attr, 438 NULL, 439 }; 440 441 static struct attribute_group qmi_wwan_sysfs_attr_group = { 442 .name = "qmi", 443 .attrs = qmi_wwan_sysfs_attrs, 444 }; 445 446 /* default ethernet address used by the modem */ 447 static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3}; 448 449 static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00}; 450 451 /* Make up an ethernet header if the packet doesn't have one. 452 * 453 * A firmware bug common among several devices cause them to send raw 454 * IP packets under some circumstances. There is no way for the 455 * driver/host to know when this will happen. And even when the bug 456 * hits, some packets will still arrive with an intact header. 457 * 458 * The supported devices are only capably of sending IPv4, IPv6 and 459 * ARP packets on a point-to-point link. Any packet with an ethernet 460 * header will have either our address or a broadcast/multicast 461 * address as destination. ARP packets will always have a header. 462 * 463 * This means that this function will reliably add the appropriate 464 * header iff necessary, provided our hardware address does not start 465 * with 4 or 6. 466 * 467 * Another common firmware bug results in all packets being addressed 468 * to 00:a0:c6:00:00:00 despite the host address being different. 469 * This function will also fixup such packets. 470 */ 471 static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 472 { 473 struct qmi_wwan_state *info = (void *)&dev->data; 474 bool rawip = info->flags & QMI_WWAN_FLAG_RAWIP; 475 __be16 proto; 476 477 /* This check is no longer done by usbnet */ 478 if (skb->len < dev->net->hard_header_len) 479 return 0; 480 481 if (info->flags & QMI_WWAN_FLAG_MUX) 482 return qmimux_rx_fixup(dev, skb); 483 484 switch (skb->data[0] & 0xf0) { 485 case 0x40: 486 proto = htons(ETH_P_IP); 487 break; 488 case 0x60: 489 proto = htons(ETH_P_IPV6); 490 break; 491 case 0x00: 492 if (rawip) 493 return 0; 494 if (is_multicast_ether_addr(skb->data)) 495 return 1; 496 /* possibly bogus destination - rewrite just in case */ 497 skb_reset_mac_header(skb); 498 goto fix_dest; 499 default: 500 if (rawip) 501 return 0; 502 /* pass along other packets without modifications */ 503 return 1; 504 } 505 if (rawip) { 506 skb_reset_mac_header(skb); 507 skb->dev = dev->net; /* normally set by eth_type_trans */ 508 skb->protocol = proto; 509 return 1; 510 } 511 512 if (skb_headroom(skb) < ETH_HLEN) 513 return 0; 514 skb_push(skb, ETH_HLEN); 515 skb_reset_mac_header(skb); 516 eth_hdr(skb)->h_proto = proto; 517 eth_zero_addr(eth_hdr(skb)->h_source); 518 fix_dest: 519 memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN); 520 return 1; 521 } 522 523 /* very simplistic detection of IPv4 or IPv6 headers */ 524 static bool possibly_iphdr(const char *data) 525 { 526 return (data[0] & 0xd0) == 0x40; 527 } 528 529 /* disallow addresses which may be confused with IP headers */ 530 static int qmi_wwan_mac_addr(struct net_device *dev, void *p) 531 { 532 int ret; 533 struct sockaddr *addr = p; 534 535 ret = eth_prepare_mac_addr_change(dev, p); 536 if (ret < 0) 537 return ret; 538 if (possibly_iphdr(addr->sa_data)) 539 return -EADDRNOTAVAIL; 540 eth_commit_mac_addr_change(dev, p); 541 return 0; 542 } 543 544 static const struct net_device_ops qmi_wwan_netdev_ops = { 545 .ndo_open = usbnet_open, 546 .ndo_stop = usbnet_stop, 547 .ndo_start_xmit = usbnet_start_xmit, 548 .ndo_tx_timeout = usbnet_tx_timeout, 549 .ndo_change_mtu = usbnet_change_mtu, 550 .ndo_get_stats64 = usbnet_get_stats64, 551 .ndo_set_mac_address = qmi_wwan_mac_addr, 552 .ndo_validate_addr = eth_validate_addr, 553 }; 554 555 /* using a counter to merge subdriver requests with our own into a 556 * combined state 557 */ 558 static int qmi_wwan_manage_power(struct usbnet *dev, int on) 559 { 560 struct qmi_wwan_state *info = (void *)&dev->data; 561 int rv; 562 563 dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__, 564 atomic_read(&info->pmcount), on); 565 566 if ((on && atomic_add_return(1, &info->pmcount) == 1) || 567 (!on && atomic_dec_and_test(&info->pmcount))) { 568 /* need autopm_get/put here to ensure the usbcore sees 569 * the new value 570 */ 571 rv = usb_autopm_get_interface(dev->intf); 572 dev->intf->needs_remote_wakeup = on; 573 if (!rv) 574 usb_autopm_put_interface(dev->intf); 575 } 576 return 0; 577 } 578 579 static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on) 580 { 581 struct usbnet *dev = usb_get_intfdata(intf); 582 583 /* can be called while disconnecting */ 584 if (!dev) 585 return 0; 586 return qmi_wwan_manage_power(dev, on); 587 } 588 589 /* collect all three endpoints and register subdriver */ 590 static int qmi_wwan_register_subdriver(struct usbnet *dev) 591 { 592 int rv; 593 struct usb_driver *subdriver = NULL; 594 struct qmi_wwan_state *info = (void *)&dev->data; 595 596 /* collect bulk endpoints */ 597 rv = usbnet_get_endpoints(dev, info->data); 598 if (rv < 0) 599 goto err; 600 601 /* update status endpoint if separate control interface */ 602 if (info->control != info->data) 603 dev->status = &info->control->cur_altsetting->endpoint[0]; 604 605 /* require interrupt endpoint for subdriver */ 606 if (!dev->status) { 607 rv = -EINVAL; 608 goto err; 609 } 610 611 /* for subdriver power management */ 612 atomic_set(&info->pmcount, 0); 613 614 /* register subdriver */ 615 subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc, 616 4096, &qmi_wwan_cdc_wdm_manage_power); 617 if (IS_ERR(subdriver)) { 618 dev_err(&info->control->dev, "subdriver registration failed\n"); 619 rv = PTR_ERR(subdriver); 620 goto err; 621 } 622 623 /* prevent usbnet from using status endpoint */ 624 dev->status = NULL; 625 626 /* save subdriver struct for suspend/resume wrappers */ 627 info->subdriver = subdriver; 628 629 err: 630 return rv; 631 } 632 633 /* Send CDC SetControlLineState request, setting or clearing the DTR. 634 * "Required for Autoconnect and 9x30 to wake up" according to the 635 * GobiNet driver. The requirement has been verified on an MDM9230 636 * based Sierra Wireless MC7455 637 */ 638 static int qmi_wwan_change_dtr(struct usbnet *dev, bool on) 639 { 640 u8 intf = dev->intf->cur_altsetting->desc.bInterfaceNumber; 641 642 return usbnet_write_cmd(dev, USB_CDC_REQ_SET_CONTROL_LINE_STATE, 643 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 644 on ? 0x01 : 0x00, intf, NULL, 0); 645 } 646 647 static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) 648 { 649 int status = -1; 650 u8 *buf = intf->cur_altsetting->extra; 651 int len = intf->cur_altsetting->extralen; 652 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 653 struct usb_cdc_union_desc *cdc_union; 654 struct usb_cdc_ether_desc *cdc_ether; 655 struct usb_driver *driver = driver_of(intf); 656 struct qmi_wwan_state *info = (void *)&dev->data; 657 struct usb_cdc_parsed_header hdr; 658 659 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) < 660 sizeof(struct qmi_wwan_state))); 661 662 /* set up initial state */ 663 info->control = intf; 664 info->data = intf; 665 666 /* and a number of CDC descriptors */ 667 cdc_parse_cdc_header(&hdr, intf, buf, len); 668 cdc_union = hdr.usb_cdc_union_desc; 669 cdc_ether = hdr.usb_cdc_ether_desc; 670 671 /* Use separate control and data interfaces if we found a CDC Union */ 672 if (cdc_union) { 673 info->data = usb_ifnum_to_if(dev->udev, 674 cdc_union->bSlaveInterface0); 675 if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 || 676 !info->data) { 677 dev_err(&intf->dev, 678 "bogus CDC Union: master=%u, slave=%u\n", 679 cdc_union->bMasterInterface0, 680 cdc_union->bSlaveInterface0); 681 682 /* ignore and continue... */ 683 cdc_union = NULL; 684 info->data = intf; 685 } 686 } 687 688 /* errors aren't fatal - we can live with the dynamic address */ 689 if (cdc_ether && cdc_ether->wMaxSegmentSize) { 690 dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize); 691 usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress); 692 } 693 694 /* claim data interface and set it up */ 695 if (info->control != info->data) { 696 status = usb_driver_claim_interface(driver, info->data, dev); 697 if (status < 0) 698 goto err; 699 } 700 701 status = qmi_wwan_register_subdriver(dev); 702 if (status < 0 && info->control != info->data) { 703 usb_set_intfdata(info->data, NULL); 704 usb_driver_release_interface(driver, info->data); 705 } 706 707 /* disabling remote wakeup on MDM9x30 devices has the same 708 * effect as clearing DTR. The device will not respond to QMI 709 * requests until we set DTR again. This is similar to a 710 * QMI_CTL SYNC request, clearing a lot of firmware state 711 * including the client ID allocations. 712 * 713 * Our usage model allows a session to span multiple 714 * open/close events, so we must prevent the firmware from 715 * clearing out state the clients might need. 716 * 717 * MDM9x30 is the first QMI chipset with USB3 support. Abuse 718 * this fact to enable the quirk for all USB3 devices. 719 * 720 * There are also chipsets with the same "set DTR" requirement 721 * but without USB3 support. Devices based on these chips 722 * need a quirk flag in the device ID table. 723 */ 724 if (dev->driver_info->data & QMI_WWAN_QUIRK_DTR || 725 le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 726 qmi_wwan_manage_power(dev, 1); 727 qmi_wwan_change_dtr(dev, true); 728 } 729 730 /* Never use the same address on both ends of the link, even if the 731 * buggy firmware told us to. Or, if device is assigned the well-known 732 * buggy firmware MAC address, replace it with a random address, 733 */ 734 if (ether_addr_equal(dev->net->dev_addr, default_modem_addr) || 735 ether_addr_equal(dev->net->dev_addr, buggy_fw_addr)) 736 eth_hw_addr_random(dev->net); 737 738 /* make MAC addr easily distinguishable from an IP header */ 739 if (possibly_iphdr(dev->net->dev_addr)) { 740 dev->net->dev_addr[0] |= 0x02; /* set local assignment bit */ 741 dev->net->dev_addr[0] &= 0xbf; /* clear "IP" bit */ 742 } 743 dev->net->netdev_ops = &qmi_wwan_netdev_ops; 744 dev->net->sysfs_groups[0] = &qmi_wwan_sysfs_attr_group; 745 err: 746 return status; 747 } 748 749 static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf) 750 { 751 struct qmi_wwan_state *info = (void *)&dev->data; 752 struct usb_driver *driver = driver_of(intf); 753 struct usb_interface *other; 754 755 if (info->subdriver && info->subdriver->disconnect) 756 info->subdriver->disconnect(info->control); 757 758 /* disable MDM9x30 quirk */ 759 if (le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 760 qmi_wwan_change_dtr(dev, false); 761 qmi_wwan_manage_power(dev, 0); 762 } 763 764 /* allow user to unbind using either control or data */ 765 if (intf == info->control) 766 other = info->data; 767 else 768 other = info->control; 769 770 /* only if not shared */ 771 if (other && intf != other) { 772 usb_set_intfdata(other, NULL); 773 usb_driver_release_interface(driver, other); 774 } 775 776 info->subdriver = NULL; 777 info->data = NULL; 778 info->control = NULL; 779 } 780 781 /* suspend/resume wrappers calling both usbnet and the cdc-wdm 782 * subdriver if present. 783 * 784 * NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide 785 * wrappers for those without adding usbnet reset support first. 786 */ 787 static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message) 788 { 789 struct usbnet *dev = usb_get_intfdata(intf); 790 struct qmi_wwan_state *info = (void *)&dev->data; 791 int ret; 792 793 /* Both usbnet_suspend() and subdriver->suspend() MUST return 0 794 * in system sleep context, otherwise, the resume callback has 795 * to recover device from previous suspend failure. 796 */ 797 ret = usbnet_suspend(intf, message); 798 if (ret < 0) 799 goto err; 800 801 if (intf == info->control && info->subdriver && 802 info->subdriver->suspend) 803 ret = info->subdriver->suspend(intf, message); 804 if (ret < 0) 805 usbnet_resume(intf); 806 err: 807 return ret; 808 } 809 810 static int qmi_wwan_resume(struct usb_interface *intf) 811 { 812 struct usbnet *dev = usb_get_intfdata(intf); 813 struct qmi_wwan_state *info = (void *)&dev->data; 814 int ret = 0; 815 bool callsub = (intf == info->control && info->subdriver && 816 info->subdriver->resume); 817 818 if (callsub) 819 ret = info->subdriver->resume(intf); 820 if (ret < 0) 821 goto err; 822 ret = usbnet_resume(intf); 823 if (ret < 0 && callsub) 824 info->subdriver->suspend(intf, PMSG_SUSPEND); 825 err: 826 return ret; 827 } 828 829 static const struct driver_info qmi_wwan_info = { 830 .description = "WWAN/QMI device", 831 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 832 .bind = qmi_wwan_bind, 833 .unbind = qmi_wwan_unbind, 834 .manage_power = qmi_wwan_manage_power, 835 .rx_fixup = qmi_wwan_rx_fixup, 836 }; 837 838 static const struct driver_info qmi_wwan_info_quirk_dtr = { 839 .description = "WWAN/QMI device", 840 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 841 .bind = qmi_wwan_bind, 842 .unbind = qmi_wwan_unbind, 843 .manage_power = qmi_wwan_manage_power, 844 .rx_fixup = qmi_wwan_rx_fixup, 845 .data = QMI_WWAN_QUIRK_DTR, 846 }; 847 848 #define HUAWEI_VENDOR_ID 0x12D1 849 850 /* map QMI/wwan function by a fixed interface number */ 851 #define QMI_FIXED_INTF(vend, prod, num) \ 852 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 853 .driver_info = (unsigned long)&qmi_wwan_info 854 855 /* devices requiring "set DTR" quirk */ 856 #define QMI_QUIRK_SET_DTR(vend, prod, num) \ 857 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 858 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 859 860 /* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */ 861 #define QMI_GOBI1K_DEVICE(vend, prod) \ 862 QMI_FIXED_INTF(vend, prod, 3) 863 864 /* Gobi 2000/3000 QMI/wwan interface number is 0 according to qcserial */ 865 #define QMI_GOBI_DEVICE(vend, prod) \ 866 QMI_FIXED_INTF(vend, prod, 0) 867 868 static const struct usb_device_id products[] = { 869 /* 1. CDC ECM like devices match on the control interface */ 870 { /* Huawei E392, E398 and possibly others sharing both device id and more... */ 871 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 9), 872 .driver_info = (unsigned long)&qmi_wwan_info, 873 }, 874 { /* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */ 875 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 57), 876 .driver_info = (unsigned long)&qmi_wwan_info, 877 }, 878 { /* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */ 879 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69), 880 .driver_info = (unsigned long)&qmi_wwan_info, 881 }, 882 { /* Motorola Mapphone devices with MDM6600 */ 883 USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC, 0xfb, 0xff), 884 .driver_info = (unsigned long)&qmi_wwan_info, 885 }, 886 887 /* 2. Combined interface devices matching on class+protocol */ 888 { /* Huawei E367 and possibly others in "Windows mode" */ 889 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7), 890 .driver_info = (unsigned long)&qmi_wwan_info, 891 }, 892 { /* Huawei E392, E398 and possibly others in "Windows mode" */ 893 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17), 894 .driver_info = (unsigned long)&qmi_wwan_info, 895 }, 896 { /* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */ 897 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x37), 898 .driver_info = (unsigned long)&qmi_wwan_info, 899 }, 900 { /* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */ 901 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x67), 902 .driver_info = (unsigned long)&qmi_wwan_info, 903 }, 904 { /* Pantech UML290, P4200 and more */ 905 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff), 906 .driver_info = (unsigned long)&qmi_wwan_info, 907 }, 908 { /* Pantech UML290 - newer firmware */ 909 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff), 910 .driver_info = (unsigned long)&qmi_wwan_info, 911 }, 912 { /* Novatel USB551L and MC551 */ 913 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001, 914 USB_CLASS_COMM, 915 USB_CDC_SUBCLASS_ETHERNET, 916 USB_CDC_PROTO_NONE), 917 .driver_info = (unsigned long)&qmi_wwan_info, 918 }, 919 { /* Novatel E362 */ 920 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010, 921 USB_CLASS_COMM, 922 USB_CDC_SUBCLASS_ETHERNET, 923 USB_CDC_PROTO_NONE), 924 .driver_info = (unsigned long)&qmi_wwan_info, 925 }, 926 { /* Novatel Expedite E371 */ 927 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9011, 928 USB_CLASS_COMM, 929 USB_CDC_SUBCLASS_ETHERNET, 930 USB_CDC_PROTO_NONE), 931 .driver_info = (unsigned long)&qmi_wwan_info, 932 }, 933 { /* Dell Wireless 5800 (Novatel E362) */ 934 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195, 935 USB_CLASS_COMM, 936 USB_CDC_SUBCLASS_ETHERNET, 937 USB_CDC_PROTO_NONE), 938 .driver_info = (unsigned long)&qmi_wwan_info, 939 }, 940 { /* Dell Wireless 5800 V2 (Novatel E362) */ 941 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196, 942 USB_CLASS_COMM, 943 USB_CDC_SUBCLASS_ETHERNET, 944 USB_CDC_PROTO_NONE), 945 .driver_info = (unsigned long)&qmi_wwan_info, 946 }, 947 { /* Dell Wireless 5804 (Novatel E371) */ 948 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b, 949 USB_CLASS_COMM, 950 USB_CDC_SUBCLASS_ETHERNET, 951 USB_CDC_PROTO_NONE), 952 .driver_info = (unsigned long)&qmi_wwan_info, 953 }, 954 { /* ADU960S */ 955 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, 956 USB_CLASS_COMM, 957 USB_CDC_SUBCLASS_ETHERNET, 958 USB_CDC_PROTO_NONE), 959 .driver_info = (unsigned long)&qmi_wwan_info, 960 }, 961 { /* HP lt2523 (Novatel E371) */ 962 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 963 USB_CLASS_COMM, 964 USB_CDC_SUBCLASS_ETHERNET, 965 USB_CDC_PROTO_NONE), 966 .driver_info = (unsigned long)&qmi_wwan_info, 967 }, 968 { /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */ 969 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7), 970 .driver_info = (unsigned long)&qmi_wwan_info, 971 }, 972 { /* Quectel EP06/EG06/EM06 */ 973 USB_DEVICE_AND_INTERFACE_INFO(0x2c7c, 0x0306, 974 USB_CLASS_VENDOR_SPEC, 975 USB_SUBCLASS_VENDOR_SPEC, 976 0xff), 977 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr, 978 }, 979 980 /* 3. Combined interface devices matching on interface number */ 981 {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */ 982 {QMI_FIXED_INTF(0x05c6, 0x6001, 3)}, /* 4G LTE usb-modem U901 */ 983 {QMI_FIXED_INTF(0x05c6, 0x7000, 0)}, 984 {QMI_FIXED_INTF(0x05c6, 0x7001, 1)}, 985 {QMI_FIXED_INTF(0x05c6, 0x7002, 1)}, 986 {QMI_FIXED_INTF(0x05c6, 0x7101, 1)}, 987 {QMI_FIXED_INTF(0x05c6, 0x7101, 2)}, 988 {QMI_FIXED_INTF(0x05c6, 0x7101, 3)}, 989 {QMI_FIXED_INTF(0x05c6, 0x7102, 1)}, 990 {QMI_FIXED_INTF(0x05c6, 0x7102, 2)}, 991 {QMI_FIXED_INTF(0x05c6, 0x7102, 3)}, 992 {QMI_FIXED_INTF(0x05c6, 0x8000, 7)}, 993 {QMI_FIXED_INTF(0x05c6, 0x8001, 6)}, 994 {QMI_FIXED_INTF(0x05c6, 0x9000, 4)}, 995 {QMI_FIXED_INTF(0x05c6, 0x9003, 4)}, 996 {QMI_FIXED_INTF(0x05c6, 0x9005, 2)}, 997 {QMI_FIXED_INTF(0x05c6, 0x900a, 4)}, 998 {QMI_FIXED_INTF(0x05c6, 0x900b, 2)}, 999 {QMI_FIXED_INTF(0x05c6, 0x900c, 4)}, 1000 {QMI_FIXED_INTF(0x05c6, 0x900c, 5)}, 1001 {QMI_FIXED_INTF(0x05c6, 0x900c, 6)}, 1002 {QMI_FIXED_INTF(0x05c6, 0x900d, 5)}, 1003 {QMI_FIXED_INTF(0x05c6, 0x900f, 3)}, 1004 {QMI_FIXED_INTF(0x05c6, 0x900f, 4)}, 1005 {QMI_FIXED_INTF(0x05c6, 0x900f, 5)}, 1006 {QMI_FIXED_INTF(0x05c6, 0x9010, 4)}, 1007 {QMI_FIXED_INTF(0x05c6, 0x9010, 5)}, 1008 {QMI_FIXED_INTF(0x05c6, 0x9011, 3)}, 1009 {QMI_FIXED_INTF(0x05c6, 0x9011, 4)}, 1010 {QMI_FIXED_INTF(0x05c6, 0x9021, 1)}, 1011 {QMI_FIXED_INTF(0x05c6, 0x9022, 2)}, 1012 {QMI_FIXED_INTF(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD LTE (China Mobile) */ 1013 {QMI_FIXED_INTF(0x05c6, 0x9026, 3)}, 1014 {QMI_FIXED_INTF(0x05c6, 0x902e, 5)}, 1015 {QMI_FIXED_INTF(0x05c6, 0x9031, 5)}, 1016 {QMI_FIXED_INTF(0x05c6, 0x9032, 4)}, 1017 {QMI_FIXED_INTF(0x05c6, 0x9033, 3)}, 1018 {QMI_FIXED_INTF(0x05c6, 0x9033, 4)}, 1019 {QMI_FIXED_INTF(0x05c6, 0x9033, 5)}, 1020 {QMI_FIXED_INTF(0x05c6, 0x9033, 6)}, 1021 {QMI_FIXED_INTF(0x05c6, 0x9034, 3)}, 1022 {QMI_FIXED_INTF(0x05c6, 0x9034, 4)}, 1023 {QMI_FIXED_INTF(0x05c6, 0x9034, 5)}, 1024 {QMI_FIXED_INTF(0x05c6, 0x9034, 6)}, 1025 {QMI_FIXED_INTF(0x05c6, 0x9034, 7)}, 1026 {QMI_FIXED_INTF(0x05c6, 0x9035, 4)}, 1027 {QMI_FIXED_INTF(0x05c6, 0x9036, 3)}, 1028 {QMI_FIXED_INTF(0x05c6, 0x9037, 5)}, 1029 {QMI_FIXED_INTF(0x05c6, 0x9038, 4)}, 1030 {QMI_FIXED_INTF(0x05c6, 0x903b, 7)}, 1031 {QMI_FIXED_INTF(0x05c6, 0x903c, 6)}, 1032 {QMI_FIXED_INTF(0x05c6, 0x903d, 6)}, 1033 {QMI_FIXED_INTF(0x05c6, 0x903e, 5)}, 1034 {QMI_FIXED_INTF(0x05c6, 0x9043, 3)}, 1035 {QMI_FIXED_INTF(0x05c6, 0x9046, 3)}, 1036 {QMI_FIXED_INTF(0x05c6, 0x9046, 4)}, 1037 {QMI_FIXED_INTF(0x05c6, 0x9046, 5)}, 1038 {QMI_FIXED_INTF(0x05c6, 0x9047, 2)}, 1039 {QMI_FIXED_INTF(0x05c6, 0x9047, 3)}, 1040 {QMI_FIXED_INTF(0x05c6, 0x9047, 4)}, 1041 {QMI_FIXED_INTF(0x05c6, 0x9048, 4)}, 1042 {QMI_FIXED_INTF(0x05c6, 0x9048, 5)}, 1043 {QMI_FIXED_INTF(0x05c6, 0x9048, 6)}, 1044 {QMI_FIXED_INTF(0x05c6, 0x9048, 7)}, 1045 {QMI_FIXED_INTF(0x05c6, 0x9048, 8)}, 1046 {QMI_FIXED_INTF(0x05c6, 0x904c, 5)}, 1047 {QMI_FIXED_INTF(0x05c6, 0x904c, 6)}, 1048 {QMI_FIXED_INTF(0x05c6, 0x904c, 7)}, 1049 {QMI_FIXED_INTF(0x05c6, 0x904c, 8)}, 1050 {QMI_FIXED_INTF(0x05c6, 0x9050, 3)}, 1051 {QMI_FIXED_INTF(0x05c6, 0x9052, 4)}, 1052 {QMI_FIXED_INTF(0x05c6, 0x9053, 6)}, 1053 {QMI_FIXED_INTF(0x05c6, 0x9053, 7)}, 1054 {QMI_FIXED_INTF(0x05c6, 0x9054, 5)}, 1055 {QMI_FIXED_INTF(0x05c6, 0x9054, 6)}, 1056 {QMI_FIXED_INTF(0x05c6, 0x9055, 3)}, 1057 {QMI_FIXED_INTF(0x05c6, 0x9055, 4)}, 1058 {QMI_FIXED_INTF(0x05c6, 0x9055, 5)}, 1059 {QMI_FIXED_INTF(0x05c6, 0x9055, 6)}, 1060 {QMI_FIXED_INTF(0x05c6, 0x9055, 7)}, 1061 {QMI_FIXED_INTF(0x05c6, 0x9056, 3)}, 1062 {QMI_FIXED_INTF(0x05c6, 0x9062, 2)}, 1063 {QMI_FIXED_INTF(0x05c6, 0x9062, 3)}, 1064 {QMI_FIXED_INTF(0x05c6, 0x9062, 4)}, 1065 {QMI_FIXED_INTF(0x05c6, 0x9062, 5)}, 1066 {QMI_FIXED_INTF(0x05c6, 0x9062, 6)}, 1067 {QMI_FIXED_INTF(0x05c6, 0x9062, 7)}, 1068 {QMI_FIXED_INTF(0x05c6, 0x9062, 8)}, 1069 {QMI_FIXED_INTF(0x05c6, 0x9062, 9)}, 1070 {QMI_FIXED_INTF(0x05c6, 0x9064, 3)}, 1071 {QMI_FIXED_INTF(0x05c6, 0x9065, 6)}, 1072 {QMI_FIXED_INTF(0x05c6, 0x9065, 7)}, 1073 {QMI_FIXED_INTF(0x05c6, 0x9066, 5)}, 1074 {QMI_FIXED_INTF(0x05c6, 0x9066, 6)}, 1075 {QMI_FIXED_INTF(0x05c6, 0x9067, 1)}, 1076 {QMI_FIXED_INTF(0x05c6, 0x9068, 2)}, 1077 {QMI_FIXED_INTF(0x05c6, 0x9068, 3)}, 1078 {QMI_FIXED_INTF(0x05c6, 0x9068, 4)}, 1079 {QMI_FIXED_INTF(0x05c6, 0x9068, 5)}, 1080 {QMI_FIXED_INTF(0x05c6, 0x9068, 6)}, 1081 {QMI_FIXED_INTF(0x05c6, 0x9068, 7)}, 1082 {QMI_FIXED_INTF(0x05c6, 0x9069, 5)}, 1083 {QMI_FIXED_INTF(0x05c6, 0x9069, 6)}, 1084 {QMI_FIXED_INTF(0x05c6, 0x9069, 7)}, 1085 {QMI_FIXED_INTF(0x05c6, 0x9069, 8)}, 1086 {QMI_FIXED_INTF(0x05c6, 0x9070, 4)}, 1087 {QMI_FIXED_INTF(0x05c6, 0x9070, 5)}, 1088 {QMI_FIXED_INTF(0x05c6, 0x9075, 5)}, 1089 {QMI_FIXED_INTF(0x05c6, 0x9076, 4)}, 1090 {QMI_FIXED_INTF(0x05c6, 0x9076, 5)}, 1091 {QMI_FIXED_INTF(0x05c6, 0x9076, 6)}, 1092 {QMI_FIXED_INTF(0x05c6, 0x9076, 7)}, 1093 {QMI_FIXED_INTF(0x05c6, 0x9076, 8)}, 1094 {QMI_FIXED_INTF(0x05c6, 0x9077, 3)}, 1095 {QMI_FIXED_INTF(0x05c6, 0x9077, 4)}, 1096 {QMI_FIXED_INTF(0x05c6, 0x9077, 5)}, 1097 {QMI_FIXED_INTF(0x05c6, 0x9077, 6)}, 1098 {QMI_FIXED_INTF(0x05c6, 0x9078, 3)}, 1099 {QMI_FIXED_INTF(0x05c6, 0x9079, 4)}, 1100 {QMI_FIXED_INTF(0x05c6, 0x9079, 5)}, 1101 {QMI_FIXED_INTF(0x05c6, 0x9079, 6)}, 1102 {QMI_FIXED_INTF(0x05c6, 0x9079, 7)}, 1103 {QMI_FIXED_INTF(0x05c6, 0x9079, 8)}, 1104 {QMI_FIXED_INTF(0x05c6, 0x9080, 5)}, 1105 {QMI_FIXED_INTF(0x05c6, 0x9080, 6)}, 1106 {QMI_FIXED_INTF(0x05c6, 0x9080, 7)}, 1107 {QMI_FIXED_INTF(0x05c6, 0x9080, 8)}, 1108 {QMI_FIXED_INTF(0x05c6, 0x9083, 3)}, 1109 {QMI_FIXED_INTF(0x05c6, 0x9084, 4)}, 1110 {QMI_FIXED_INTF(0x05c6, 0x90b2, 3)}, /* ublox R410M */ 1111 {QMI_FIXED_INTF(0x05c6, 0x920d, 0)}, 1112 {QMI_FIXED_INTF(0x05c6, 0x920d, 5)}, 1113 {QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)}, /* YUGA CLM920-NC5 */ 1114 {QMI_FIXED_INTF(0x0846, 0x68a2, 8)}, 1115 {QMI_FIXED_INTF(0x0846, 0x68d3, 8)}, /* Netgear Aircard 779S */ 1116 {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ 1117 {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */ 1118 {QMI_FIXED_INTF(0x1435, 0xd181, 3)}, /* Wistron NeWeb D18Q1 */ 1119 {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */ 1120 {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */ 1121 {QMI_FIXED_INTF(0x1435, 0xd191, 4)}, /* Wistron NeWeb D19Q1 */ 1122 {QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)}, /* Fibocom NL668 series */ 1123 {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ 1124 {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */ 1125 {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */ 1126 {QMI_FIXED_INTF(0x16d8, 0x6280, 0)}, /* CMOTech CHU-628 */ 1127 {QMI_FIXED_INTF(0x16d8, 0x7001, 0)}, /* CMOTech CHU-720S */ 1128 {QMI_FIXED_INTF(0x16d8, 0x7002, 0)}, /* CMOTech 7002 */ 1129 {QMI_FIXED_INTF(0x16d8, 0x7003, 4)}, /* CMOTech CHU-629K */ 1130 {QMI_FIXED_INTF(0x16d8, 0x7004, 3)}, /* CMOTech 7004 */ 1131 {QMI_FIXED_INTF(0x16d8, 0x7006, 5)}, /* CMOTech CGU-629 */ 1132 {QMI_FIXED_INTF(0x16d8, 0x700a, 4)}, /* CMOTech CHU-629S */ 1133 {QMI_FIXED_INTF(0x16d8, 0x7211, 0)}, /* CMOTech CHU-720I */ 1134 {QMI_FIXED_INTF(0x16d8, 0x7212, 0)}, /* CMOTech 7212 */ 1135 {QMI_FIXED_INTF(0x16d8, 0x7213, 0)}, /* CMOTech 7213 */ 1136 {QMI_FIXED_INTF(0x16d8, 0x7251, 1)}, /* CMOTech 7251 */ 1137 {QMI_FIXED_INTF(0x16d8, 0x7252, 1)}, /* CMOTech 7252 */ 1138 {QMI_FIXED_INTF(0x16d8, 0x7253, 1)}, /* CMOTech 7253 */ 1139 {QMI_FIXED_INTF(0x19d2, 0x0002, 1)}, 1140 {QMI_FIXED_INTF(0x19d2, 0x0012, 1)}, 1141 {QMI_FIXED_INTF(0x19d2, 0x0017, 3)}, 1142 {QMI_FIXED_INTF(0x19d2, 0x0019, 3)}, /* ONDA MT689DC */ 1143 {QMI_FIXED_INTF(0x19d2, 0x0021, 4)}, 1144 {QMI_FIXED_INTF(0x19d2, 0x0025, 1)}, 1145 {QMI_FIXED_INTF(0x19d2, 0x0031, 4)}, 1146 {QMI_FIXED_INTF(0x19d2, 0x0042, 4)}, 1147 {QMI_FIXED_INTF(0x19d2, 0x0049, 5)}, 1148 {QMI_FIXED_INTF(0x19d2, 0x0052, 4)}, 1149 {QMI_FIXED_INTF(0x19d2, 0x0055, 1)}, /* ZTE (Vodafone) K3520-Z */ 1150 {QMI_FIXED_INTF(0x19d2, 0x0058, 4)}, 1151 {QMI_FIXED_INTF(0x19d2, 0x0063, 4)}, /* ZTE (Vodafone) K3565-Z */ 1152 {QMI_FIXED_INTF(0x19d2, 0x0104, 4)}, /* ZTE (Vodafone) K4505-Z */ 1153 {QMI_FIXED_INTF(0x19d2, 0x0113, 5)}, 1154 {QMI_FIXED_INTF(0x19d2, 0x0118, 5)}, 1155 {QMI_FIXED_INTF(0x19d2, 0x0121, 5)}, 1156 {QMI_FIXED_INTF(0x19d2, 0x0123, 4)}, 1157 {QMI_FIXED_INTF(0x19d2, 0x0124, 5)}, 1158 {QMI_FIXED_INTF(0x19d2, 0x0125, 6)}, 1159 {QMI_FIXED_INTF(0x19d2, 0x0126, 5)}, 1160 {QMI_FIXED_INTF(0x19d2, 0x0130, 1)}, 1161 {QMI_FIXED_INTF(0x19d2, 0x0133, 3)}, 1162 {QMI_FIXED_INTF(0x19d2, 0x0141, 5)}, 1163 {QMI_FIXED_INTF(0x19d2, 0x0157, 5)}, /* ZTE MF683 */ 1164 {QMI_FIXED_INTF(0x19d2, 0x0158, 3)}, 1165 {QMI_FIXED_INTF(0x19d2, 0x0167, 4)}, /* ZTE MF820D */ 1166 {QMI_FIXED_INTF(0x19d2, 0x0168, 4)}, 1167 {QMI_FIXED_INTF(0x19d2, 0x0176, 3)}, 1168 {QMI_FIXED_INTF(0x19d2, 0x0178, 3)}, 1169 {QMI_FIXED_INTF(0x19d2, 0x0191, 4)}, /* ZTE EuFi890 */ 1170 {QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */ 1171 {QMI_FIXED_INTF(0x19d2, 0x0200, 1)}, 1172 {QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */ 1173 {QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */ 1174 {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */ 1175 {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */ 1176 {QMI_FIXED_INTF(0x19d2, 0x0412, 4)}, /* Telewell TW-LTE 4G */ 1177 {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */ 1178 {QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */ 1179 {QMI_FIXED_INTF(0x19d2, 0x1012, 4)}, 1180 {QMI_FIXED_INTF(0x19d2, 0x1018, 3)}, /* ZTE (Vodafone) K5006-Z */ 1181 {QMI_FIXED_INTF(0x19d2, 0x1021, 2)}, 1182 {QMI_FIXED_INTF(0x19d2, 0x1245, 4)}, 1183 {QMI_FIXED_INTF(0x19d2, 0x1247, 4)}, 1184 {QMI_FIXED_INTF(0x19d2, 0x1252, 4)}, 1185 {QMI_FIXED_INTF(0x19d2, 0x1254, 4)}, 1186 {QMI_FIXED_INTF(0x19d2, 0x1255, 3)}, 1187 {QMI_FIXED_INTF(0x19d2, 0x1255, 4)}, 1188 {QMI_FIXED_INTF(0x19d2, 0x1256, 4)}, 1189 {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */ 1190 {QMI_FIXED_INTF(0x19d2, 0x1401, 2)}, 1191 {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */ 1192 {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, 1193 {QMI_FIXED_INTF(0x19d2, 0x1425, 2)}, 1194 {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */ 1195 {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */ 1196 {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ 1197 {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */ 1198 {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */ 1199 {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */ 1200 {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ 1201 {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ 1202 {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ 1203 {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ 1204 {QMI_FIXED_INTF(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354 */ 1205 {QMI_FIXED_INTF(0x1199, 0x68c0, 10)}, /* Sierra Wireless MC7304/MC7354 */ 1206 {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ 1207 {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */ 1208 {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */ 1209 {QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */ 1210 {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ 1211 {QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */ 1212 {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */ 1213 {QMI_FIXED_INTF(0x1199, 0x9055, 8)}, /* Netgear AirCard 341U */ 1214 {QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */ 1215 {QMI_FIXED_INTF(0x1199, 0x9057, 8)}, 1216 {QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */ 1217 {QMI_FIXED_INTF(0x1199, 0x9063, 8)}, /* Sierra Wireless EM7305 */ 1218 {QMI_FIXED_INTF(0x1199, 0x9063, 10)}, /* Sierra Wireless EM7305 */ 1219 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 8)}, /* Sierra Wireless MC74xx */ 1220 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 10)},/* Sierra Wireless MC74xx */ 1221 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 8)}, /* Sierra Wireless EM74xx */ 1222 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 10)},/* Sierra Wireless EM74xx */ 1223 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 8)}, /* Sierra Wireless EM74xx */ 1224 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 10)},/* Sierra Wireless EM74xx */ 1225 {QMI_QUIRK_SET_DTR(0x1199, 0x9091, 8)}, /* Sierra Wireless EM7565 */ 1226 {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ 1227 {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */ 1228 {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ 1229 {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ 1230 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ 1231 {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ 1232 {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */ 1233 {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ 1234 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */ 1235 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */ 1236 {QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */ 1237 {QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */ 1238 {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ 1239 {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ 1240 {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ 1241 {QMI_FIXED_INTF(0x0b3c, 0xc002, 4)}, /* Olivetti Olicard 140 */ 1242 {QMI_FIXED_INTF(0x0b3c, 0xc004, 6)}, /* Olivetti Olicard 155 */ 1243 {QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */ 1244 {QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */ 1245 {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */ 1246 {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ 1247 {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */ 1248 {QMI_FIXED_INTF(0x1e2d, 0x0063, 10)}, /* Cinterion ALASxx (1 RmNet) */ 1249 {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1250 {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1251 {QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/ 1252 {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ 1253 {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ 1254 {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ 1255 {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ 1256 {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ 1257 {QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ 1258 {QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ 1259 {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */ 1260 {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */ 1261 {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */ 1262 {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ 1263 {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ 1264 {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ 1265 {QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */ 1266 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0125, 4)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ 1267 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */ 1268 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */ 1269 {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ 1270 {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */ 1271 1272 /* 4. Gobi 1000 devices */ 1273 {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ 1274 {QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ 1275 {QMI_GOBI1K_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ 1276 {QMI_GOBI1K_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ 1277 {QMI_GOBI1K_DEVICE(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */ 1278 {QMI_GOBI1K_DEVICE(0x1410, 0xa002)}, /* Novatel Gobi Modem device */ 1279 {QMI_GOBI1K_DEVICE(0x1410, 0xa003)}, /* Novatel Gobi Modem device */ 1280 {QMI_GOBI1K_DEVICE(0x1410, 0xa004)}, /* Novatel Gobi Modem device */ 1281 {QMI_GOBI1K_DEVICE(0x1410, 0xa005)}, /* Novatel Gobi Modem device */ 1282 {QMI_GOBI1K_DEVICE(0x1410, 0xa006)}, /* Novatel Gobi Modem device */ 1283 {QMI_GOBI1K_DEVICE(0x1410, 0xa007)}, /* Novatel Gobi Modem device */ 1284 {QMI_GOBI1K_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ 1285 {QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ 1286 {QMI_GOBI1K_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ 1287 {QMI_GOBI1K_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ 1288 {QMI_GOBI1K_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ 1289 {QMI_GOBI1K_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ 1290 {QMI_GOBI1K_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ 1291 {QMI_GOBI1K_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ 1292 1293 /* 5. Gobi 2000 and 3000 devices */ 1294 {QMI_GOBI_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ 1295 {QMI_GOBI_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ 1296 {QMI_GOBI_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ 1297 {QMI_GOBI_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ 1298 {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ 1299 {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ 1300 {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ 1301 {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */ 1302 {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ 1303 {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ 1304 {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ 1305 {QMI_GOBI_DEVICE(0x0af0, 0x8120)}, /* Option GTM681W */ 1306 {QMI_GOBI_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */ 1307 {QMI_GOBI_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */ 1308 {QMI_GOBI_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1309 {QMI_GOBI_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1310 {QMI_GOBI_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1311 {QMI_GOBI_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1312 {QMI_GOBI_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1313 {QMI_GOBI_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1314 {QMI_GOBI_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1315 {QMI_GOBI_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1316 {QMI_GOBI_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1317 {QMI_GOBI_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1318 {QMI_GOBI_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ 1319 {QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ 1320 {QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ 1321 {QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ 1322 {QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ 1323 {QMI_GOBI_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ 1324 {QMI_GOBI_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ 1325 {QMI_GOBI_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ 1326 {QMI_GOBI_DEVICE(0x12d1, 0x14f1)}, /* Sony Gobi 3000 Composite */ 1327 {QMI_GOBI_DEVICE(0x1410, 0xa021)}, /* Foxconn Gobi 3000 Modem device (Novatel E396) */ 1328 1329 { } /* END */ 1330 }; 1331 MODULE_DEVICE_TABLE(usb, products); 1332 1333 static bool quectel_ec20_detected(struct usb_interface *intf) 1334 { 1335 struct usb_device *dev = interface_to_usbdev(intf); 1336 1337 if (dev->actconfig && 1338 le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 && 1339 le16_to_cpu(dev->descriptor.idProduct) == 0x9215 && 1340 dev->actconfig->desc.bNumInterfaces == 5) 1341 return true; 1342 1343 return false; 1344 } 1345 1346 static bool quectel_ep06_diag_detected(struct usb_interface *intf) 1347 { 1348 struct usb_device *dev = interface_to_usbdev(intf); 1349 struct usb_interface_descriptor intf_desc = intf->cur_altsetting->desc; 1350 1351 if (le16_to_cpu(dev->descriptor.idVendor) == 0x2c7c && 1352 le16_to_cpu(dev->descriptor.idProduct) == 0x0306 && 1353 intf_desc.bNumEndpoints == 2) 1354 return true; 1355 1356 return false; 1357 } 1358 1359 static int qmi_wwan_probe(struct usb_interface *intf, 1360 const struct usb_device_id *prod) 1361 { 1362 struct usb_device_id *id = (struct usb_device_id *)prod; 1363 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 1364 1365 /* Workaround to enable dynamic IDs. This disables usbnet 1366 * blacklisting functionality. Which, if required, can be 1367 * reimplemented here by using a magic "blacklist" value 1368 * instead of 0 in the static device id table 1369 */ 1370 if (!id->driver_info) { 1371 dev_dbg(&intf->dev, "setting defaults for dynamic device id\n"); 1372 id->driver_info = (unsigned long)&qmi_wwan_info; 1373 } 1374 1375 /* There are devices where the same interface number can be 1376 * configured as different functions. We should only bind to 1377 * vendor specific functions when matching on interface number 1378 */ 1379 if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER && 1380 desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) { 1381 dev_dbg(&intf->dev, 1382 "Rejecting interface number match for class %02x\n", 1383 desc->bInterfaceClass); 1384 return -ENODEV; 1385 } 1386 1387 /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */ 1388 if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) { 1389 dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n"); 1390 return -ENODEV; 1391 } 1392 1393 /* Quectel EP06/EM06/EG06 supports dynamic interface configuration, so 1394 * we need to match on class/subclass/protocol. These values are 1395 * identical for the diagnostic- and QMI-interface, but bNumEndpoints is 1396 * different. Ignore the current interface if the number of endpoints 1397 * the number for the diag interface (two). 1398 */ 1399 if (quectel_ep06_diag_detected(intf)) 1400 return -ENODEV; 1401 1402 return usbnet_probe(intf, id); 1403 } 1404 1405 static void qmi_wwan_disconnect(struct usb_interface *intf) 1406 { 1407 struct usbnet *dev = usb_get_intfdata(intf); 1408 struct qmi_wwan_state *info; 1409 struct list_head *iter; 1410 struct net_device *ldev; 1411 1412 /* called twice if separate control and data intf */ 1413 if (!dev) 1414 return; 1415 info = (void *)&dev->data; 1416 if (info->flags & QMI_WWAN_FLAG_MUX) { 1417 if (!rtnl_trylock()) { 1418 restart_syscall(); 1419 return; 1420 } 1421 rcu_read_lock(); 1422 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) 1423 qmimux_unregister_device(ldev); 1424 rcu_read_unlock(); 1425 rtnl_unlock(); 1426 info->flags &= ~QMI_WWAN_FLAG_MUX; 1427 } 1428 usbnet_disconnect(intf); 1429 } 1430 1431 static struct usb_driver qmi_wwan_driver = { 1432 .name = "qmi_wwan", 1433 .id_table = products, 1434 .probe = qmi_wwan_probe, 1435 .disconnect = qmi_wwan_disconnect, 1436 .suspend = qmi_wwan_suspend, 1437 .resume = qmi_wwan_resume, 1438 .reset_resume = qmi_wwan_resume, 1439 .supports_autosuspend = 1, 1440 .disable_hub_initiated_lpm = 1, 1441 }; 1442 1443 module_usb_driver(qmi_wwan_driver); 1444 1445 MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>"); 1446 MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver"); 1447 MODULE_LICENSE("GPL"); 1448