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 QMI_WWAN_QUIRK_QUECTEL_DYNCFG = 1 << 1, /* check num. endpoints */ 67 }; 68 69 struct qmimux_hdr { 70 u8 pad; 71 u8 mux_id; 72 __be16 pkt_len; 73 }; 74 75 struct qmimux_priv { 76 struct net_device *real_dev; 77 u8 mux_id; 78 }; 79 80 static int qmimux_open(struct net_device *dev) 81 { 82 struct qmimux_priv *priv = netdev_priv(dev); 83 struct net_device *real_dev = priv->real_dev; 84 85 if (!(priv->real_dev->flags & IFF_UP)) 86 return -ENETDOWN; 87 88 if (netif_carrier_ok(real_dev)) 89 netif_carrier_on(dev); 90 return 0; 91 } 92 93 static int qmimux_stop(struct net_device *dev) 94 { 95 netif_carrier_off(dev); 96 return 0; 97 } 98 99 static netdev_tx_t qmimux_start_xmit(struct sk_buff *skb, struct net_device *dev) 100 { 101 struct qmimux_priv *priv = netdev_priv(dev); 102 unsigned int len = skb->len; 103 struct qmimux_hdr *hdr; 104 105 hdr = skb_push(skb, sizeof(struct qmimux_hdr)); 106 hdr->pad = 0; 107 hdr->mux_id = priv->mux_id; 108 hdr->pkt_len = cpu_to_be16(len); 109 skb->dev = priv->real_dev; 110 return dev_queue_xmit(skb); 111 } 112 113 static const struct net_device_ops qmimux_netdev_ops = { 114 .ndo_open = qmimux_open, 115 .ndo_stop = qmimux_stop, 116 .ndo_start_xmit = qmimux_start_xmit, 117 }; 118 119 static void qmimux_setup(struct net_device *dev) 120 { 121 dev->header_ops = NULL; /* No header */ 122 dev->type = ARPHRD_NONE; 123 dev->hard_header_len = 0; 124 dev->addr_len = 0; 125 dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 126 dev->netdev_ops = &qmimux_netdev_ops; 127 dev->mtu = 1500; 128 dev->needs_free_netdev = true; 129 } 130 131 static struct net_device *qmimux_find_dev(struct usbnet *dev, u8 mux_id) 132 { 133 struct qmimux_priv *priv; 134 struct list_head *iter; 135 struct net_device *ldev; 136 137 rcu_read_lock(); 138 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) { 139 priv = netdev_priv(ldev); 140 if (priv->mux_id == mux_id) { 141 rcu_read_unlock(); 142 return ldev; 143 } 144 } 145 rcu_read_unlock(); 146 return NULL; 147 } 148 149 static bool qmimux_has_slaves(struct usbnet *dev) 150 { 151 return !list_empty(&dev->net->adj_list.upper); 152 } 153 154 static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 155 { 156 unsigned int len, offset = 0; 157 struct qmimux_hdr *hdr; 158 struct net_device *net; 159 struct sk_buff *skbn; 160 u8 qmimux_hdr_sz = sizeof(*hdr); 161 162 while (offset + qmimux_hdr_sz < skb->len) { 163 hdr = (struct qmimux_hdr *)(skb->data + offset); 164 len = be16_to_cpu(hdr->pkt_len); 165 166 /* drop the packet, bogus length */ 167 if (offset + len + qmimux_hdr_sz > skb->len) 168 return 0; 169 170 /* control packet, we do not know what to do */ 171 if (hdr->pad & 0x80) 172 goto skip; 173 174 net = qmimux_find_dev(dev, hdr->mux_id); 175 if (!net) 176 goto skip; 177 skbn = netdev_alloc_skb(net, len); 178 if (!skbn) 179 return 0; 180 skbn->dev = net; 181 182 switch (skb->data[offset + qmimux_hdr_sz] & 0xf0) { 183 case 0x40: 184 skbn->protocol = htons(ETH_P_IP); 185 break; 186 case 0x60: 187 skbn->protocol = htons(ETH_P_IPV6); 188 break; 189 default: 190 /* not ip - do not know what to do */ 191 goto skip; 192 } 193 194 skb_put_data(skbn, skb->data + offset + qmimux_hdr_sz, len); 195 if (netif_rx(skbn) != NET_RX_SUCCESS) 196 return 0; 197 198 skip: 199 offset += len + qmimux_hdr_sz; 200 } 201 return 1; 202 } 203 204 static int qmimux_register_device(struct net_device *real_dev, u8 mux_id) 205 { 206 struct net_device *new_dev; 207 struct qmimux_priv *priv; 208 int err; 209 210 new_dev = alloc_netdev(sizeof(struct qmimux_priv), 211 "qmimux%d", NET_NAME_UNKNOWN, qmimux_setup); 212 if (!new_dev) 213 return -ENOBUFS; 214 215 dev_net_set(new_dev, dev_net(real_dev)); 216 priv = netdev_priv(new_dev); 217 priv->mux_id = mux_id; 218 priv->real_dev = real_dev; 219 220 err = register_netdevice(new_dev); 221 if (err < 0) 222 goto out_free_newdev; 223 224 /* Account for reference in struct qmimux_priv_priv */ 225 dev_hold(real_dev); 226 227 err = netdev_upper_dev_link(real_dev, new_dev, NULL); 228 if (err) 229 goto out_unregister_netdev; 230 231 netif_stacked_transfer_operstate(real_dev, new_dev); 232 233 return 0; 234 235 out_unregister_netdev: 236 unregister_netdevice(new_dev); 237 dev_put(real_dev); 238 239 out_free_newdev: 240 free_netdev(new_dev); 241 return err; 242 } 243 244 static void qmimux_unregister_device(struct net_device *dev) 245 { 246 struct qmimux_priv *priv = netdev_priv(dev); 247 struct net_device *real_dev = priv->real_dev; 248 249 netdev_upper_dev_unlink(real_dev, dev); 250 unregister_netdevice(dev); 251 252 /* Get rid of the reference to real_dev */ 253 dev_put(real_dev); 254 } 255 256 static void qmi_wwan_netdev_setup(struct net_device *net) 257 { 258 struct usbnet *dev = netdev_priv(net); 259 struct qmi_wwan_state *info = (void *)&dev->data; 260 261 if (info->flags & QMI_WWAN_FLAG_RAWIP) { 262 net->header_ops = NULL; /* No header */ 263 net->type = ARPHRD_NONE; 264 net->hard_header_len = 0; 265 net->addr_len = 0; 266 net->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 267 set_bit(EVENT_NO_IP_ALIGN, &dev->flags); 268 netdev_dbg(net, "mode: raw IP\n"); 269 } else if (!net->header_ops) { /* don't bother if already set */ 270 ether_setup(net); 271 clear_bit(EVENT_NO_IP_ALIGN, &dev->flags); 272 netdev_dbg(net, "mode: Ethernet\n"); 273 } 274 275 /* recalculate buffers after changing hard_header_len */ 276 usbnet_change_mtu(net, net->mtu); 277 } 278 279 static ssize_t raw_ip_show(struct device *d, struct device_attribute *attr, char *buf) 280 { 281 struct usbnet *dev = netdev_priv(to_net_dev(d)); 282 struct qmi_wwan_state *info = (void *)&dev->data; 283 284 return sprintf(buf, "%c\n", info->flags & QMI_WWAN_FLAG_RAWIP ? 'Y' : 'N'); 285 } 286 287 static ssize_t raw_ip_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 288 { 289 struct usbnet *dev = netdev_priv(to_net_dev(d)); 290 struct qmi_wwan_state *info = (void *)&dev->data; 291 bool enable; 292 int ret; 293 294 if (strtobool(buf, &enable)) 295 return -EINVAL; 296 297 /* no change? */ 298 if (enable == (info->flags & QMI_WWAN_FLAG_RAWIP)) 299 return len; 300 301 if (!rtnl_trylock()) 302 return restart_syscall(); 303 304 /* we don't want to modify a running netdev */ 305 if (netif_running(dev->net)) { 306 netdev_err(dev->net, "Cannot change a running device\n"); 307 ret = -EBUSY; 308 goto err; 309 } 310 311 /* let other drivers deny the change */ 312 ret = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev->net); 313 ret = notifier_to_errno(ret); 314 if (ret) { 315 netdev_err(dev->net, "Type change was refused\n"); 316 goto err; 317 } 318 319 if (enable) 320 info->flags |= QMI_WWAN_FLAG_RAWIP; 321 else 322 info->flags &= ~QMI_WWAN_FLAG_RAWIP; 323 qmi_wwan_netdev_setup(dev->net); 324 call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev->net); 325 ret = len; 326 err: 327 rtnl_unlock(); 328 return ret; 329 } 330 331 static ssize_t add_mux_show(struct device *d, struct device_attribute *attr, char *buf) 332 { 333 struct net_device *dev = to_net_dev(d); 334 struct qmimux_priv *priv; 335 struct list_head *iter; 336 struct net_device *ldev; 337 ssize_t count = 0; 338 339 rcu_read_lock(); 340 netdev_for_each_upper_dev_rcu(dev, ldev, iter) { 341 priv = netdev_priv(ldev); 342 count += scnprintf(&buf[count], PAGE_SIZE - count, 343 "0x%02x\n", priv->mux_id); 344 } 345 rcu_read_unlock(); 346 return count; 347 } 348 349 static ssize_t add_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 350 { 351 struct usbnet *dev = netdev_priv(to_net_dev(d)); 352 struct qmi_wwan_state *info = (void *)&dev->data; 353 u8 mux_id; 354 int ret; 355 356 if (kstrtou8(buf, 0, &mux_id)) 357 return -EINVAL; 358 359 /* mux_id [1 - 0x7f] range empirically found */ 360 if (mux_id < 1 || mux_id > 0x7f) 361 return -EINVAL; 362 363 if (!rtnl_trylock()) 364 return restart_syscall(); 365 366 if (qmimux_find_dev(dev, mux_id)) { 367 netdev_err(dev->net, "mux_id already present\n"); 368 ret = -EINVAL; 369 goto err; 370 } 371 372 /* we don't want to modify a running netdev */ 373 if (netif_running(dev->net)) { 374 netdev_err(dev->net, "Cannot change a running device\n"); 375 ret = -EBUSY; 376 goto err; 377 } 378 379 ret = qmimux_register_device(dev->net, mux_id); 380 if (!ret) { 381 info->flags |= QMI_WWAN_FLAG_MUX; 382 ret = len; 383 } 384 err: 385 rtnl_unlock(); 386 return ret; 387 } 388 389 static ssize_t del_mux_show(struct device *d, struct device_attribute *attr, char *buf) 390 { 391 return add_mux_show(d, attr, buf); 392 } 393 394 static ssize_t del_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 395 { 396 struct usbnet *dev = netdev_priv(to_net_dev(d)); 397 struct qmi_wwan_state *info = (void *)&dev->data; 398 struct net_device *del_dev; 399 u8 mux_id; 400 int ret = 0; 401 402 if (kstrtou8(buf, 0, &mux_id)) 403 return -EINVAL; 404 405 if (!rtnl_trylock()) 406 return restart_syscall(); 407 408 /* we don't want to modify a running netdev */ 409 if (netif_running(dev->net)) { 410 netdev_err(dev->net, "Cannot change a running device\n"); 411 ret = -EBUSY; 412 goto err; 413 } 414 415 del_dev = qmimux_find_dev(dev, mux_id); 416 if (!del_dev) { 417 netdev_err(dev->net, "mux_id not present\n"); 418 ret = -EINVAL; 419 goto err; 420 } 421 qmimux_unregister_device(del_dev); 422 423 if (!qmimux_has_slaves(dev)) 424 info->flags &= ~QMI_WWAN_FLAG_MUX; 425 ret = len; 426 err: 427 rtnl_unlock(); 428 return ret; 429 } 430 431 static DEVICE_ATTR_RW(raw_ip); 432 static DEVICE_ATTR_RW(add_mux); 433 static DEVICE_ATTR_RW(del_mux); 434 435 static struct attribute *qmi_wwan_sysfs_attrs[] = { 436 &dev_attr_raw_ip.attr, 437 &dev_attr_add_mux.attr, 438 &dev_attr_del_mux.attr, 439 NULL, 440 }; 441 442 static struct attribute_group qmi_wwan_sysfs_attr_group = { 443 .name = "qmi", 444 .attrs = qmi_wwan_sysfs_attrs, 445 }; 446 447 /* default ethernet address used by the modem */ 448 static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3}; 449 450 static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00}; 451 452 /* Make up an ethernet header if the packet doesn't have one. 453 * 454 * A firmware bug common among several devices cause them to send raw 455 * IP packets under some circumstances. There is no way for the 456 * driver/host to know when this will happen. And even when the bug 457 * hits, some packets will still arrive with an intact header. 458 * 459 * The supported devices are only capably of sending IPv4, IPv6 and 460 * ARP packets on a point-to-point link. Any packet with an ethernet 461 * header will have either our address or a broadcast/multicast 462 * address as destination. ARP packets will always have a header. 463 * 464 * This means that this function will reliably add the appropriate 465 * header iff necessary, provided our hardware address does not start 466 * with 4 or 6. 467 * 468 * Another common firmware bug results in all packets being addressed 469 * to 00:a0:c6:00:00:00 despite the host address being different. 470 * This function will also fixup such packets. 471 */ 472 static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 473 { 474 struct qmi_wwan_state *info = (void *)&dev->data; 475 bool rawip = info->flags & QMI_WWAN_FLAG_RAWIP; 476 __be16 proto; 477 478 /* This check is no longer done by usbnet */ 479 if (skb->len < dev->net->hard_header_len) 480 return 0; 481 482 if (info->flags & QMI_WWAN_FLAG_MUX) 483 return qmimux_rx_fixup(dev, skb); 484 485 switch (skb->data[0] & 0xf0) { 486 case 0x40: 487 proto = htons(ETH_P_IP); 488 break; 489 case 0x60: 490 proto = htons(ETH_P_IPV6); 491 break; 492 case 0x00: 493 if (rawip) 494 return 0; 495 if (is_multicast_ether_addr(skb->data)) 496 return 1; 497 /* possibly bogus destination - rewrite just in case */ 498 skb_reset_mac_header(skb); 499 goto fix_dest; 500 default: 501 if (rawip) 502 return 0; 503 /* pass along other packets without modifications */ 504 return 1; 505 } 506 if (rawip) { 507 skb_reset_mac_header(skb); 508 skb->dev = dev->net; /* normally set by eth_type_trans */ 509 skb->protocol = proto; 510 return 1; 511 } 512 513 if (skb_headroom(skb) < ETH_HLEN) 514 return 0; 515 skb_push(skb, ETH_HLEN); 516 skb_reset_mac_header(skb); 517 eth_hdr(skb)->h_proto = proto; 518 eth_zero_addr(eth_hdr(skb)->h_source); 519 fix_dest: 520 memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN); 521 return 1; 522 } 523 524 /* very simplistic detection of IPv4 or IPv6 headers */ 525 static bool possibly_iphdr(const char *data) 526 { 527 return (data[0] & 0xd0) == 0x40; 528 } 529 530 /* disallow addresses which may be confused with IP headers */ 531 static int qmi_wwan_mac_addr(struct net_device *dev, void *p) 532 { 533 int ret; 534 struct sockaddr *addr = p; 535 536 ret = eth_prepare_mac_addr_change(dev, p); 537 if (ret < 0) 538 return ret; 539 if (possibly_iphdr(addr->sa_data)) 540 return -EADDRNOTAVAIL; 541 eth_commit_mac_addr_change(dev, p); 542 return 0; 543 } 544 545 static const struct net_device_ops qmi_wwan_netdev_ops = { 546 .ndo_open = usbnet_open, 547 .ndo_stop = usbnet_stop, 548 .ndo_start_xmit = usbnet_start_xmit, 549 .ndo_tx_timeout = usbnet_tx_timeout, 550 .ndo_change_mtu = usbnet_change_mtu, 551 .ndo_get_stats64 = usbnet_get_stats64, 552 .ndo_set_mac_address = qmi_wwan_mac_addr, 553 .ndo_validate_addr = eth_validate_addr, 554 }; 555 556 /* using a counter to merge subdriver requests with our own into a 557 * combined state 558 */ 559 static int qmi_wwan_manage_power(struct usbnet *dev, int on) 560 { 561 struct qmi_wwan_state *info = (void *)&dev->data; 562 int rv; 563 564 dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__, 565 atomic_read(&info->pmcount), on); 566 567 if ((on && atomic_add_return(1, &info->pmcount) == 1) || 568 (!on && atomic_dec_and_test(&info->pmcount))) { 569 /* need autopm_get/put here to ensure the usbcore sees 570 * the new value 571 */ 572 rv = usb_autopm_get_interface(dev->intf); 573 dev->intf->needs_remote_wakeup = on; 574 if (!rv) 575 usb_autopm_put_interface(dev->intf); 576 } 577 return 0; 578 } 579 580 static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on) 581 { 582 struct usbnet *dev = usb_get_intfdata(intf); 583 584 /* can be called while disconnecting */ 585 if (!dev) 586 return 0; 587 return qmi_wwan_manage_power(dev, on); 588 } 589 590 /* collect all three endpoints and register subdriver */ 591 static int qmi_wwan_register_subdriver(struct usbnet *dev) 592 { 593 int rv; 594 struct usb_driver *subdriver = NULL; 595 struct qmi_wwan_state *info = (void *)&dev->data; 596 597 /* collect bulk endpoints */ 598 rv = usbnet_get_endpoints(dev, info->data); 599 if (rv < 0) 600 goto err; 601 602 /* update status endpoint if separate control interface */ 603 if (info->control != info->data) 604 dev->status = &info->control->cur_altsetting->endpoint[0]; 605 606 /* require interrupt endpoint for subdriver */ 607 if (!dev->status) { 608 rv = -EINVAL; 609 goto err; 610 } 611 612 /* for subdriver power management */ 613 atomic_set(&info->pmcount, 0); 614 615 /* register subdriver */ 616 subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc, 617 4096, &qmi_wwan_cdc_wdm_manage_power); 618 if (IS_ERR(subdriver)) { 619 dev_err(&info->control->dev, "subdriver registration failed\n"); 620 rv = PTR_ERR(subdriver); 621 goto err; 622 } 623 624 /* prevent usbnet from using status endpoint */ 625 dev->status = NULL; 626 627 /* save subdriver struct for suspend/resume wrappers */ 628 info->subdriver = subdriver; 629 630 err: 631 return rv; 632 } 633 634 /* Send CDC SetControlLineState request, setting or clearing the DTR. 635 * "Required for Autoconnect and 9x30 to wake up" according to the 636 * GobiNet driver. The requirement has been verified on an MDM9230 637 * based Sierra Wireless MC7455 638 */ 639 static int qmi_wwan_change_dtr(struct usbnet *dev, bool on) 640 { 641 u8 intf = dev->intf->cur_altsetting->desc.bInterfaceNumber; 642 643 return usbnet_write_cmd(dev, USB_CDC_REQ_SET_CONTROL_LINE_STATE, 644 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 645 on ? 0x01 : 0x00, intf, NULL, 0); 646 } 647 648 static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) 649 { 650 int status = -1; 651 u8 *buf = intf->cur_altsetting->extra; 652 int len = intf->cur_altsetting->extralen; 653 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 654 struct usb_cdc_union_desc *cdc_union; 655 struct usb_cdc_ether_desc *cdc_ether; 656 struct usb_driver *driver = driver_of(intf); 657 struct qmi_wwan_state *info = (void *)&dev->data; 658 struct usb_cdc_parsed_header hdr; 659 660 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) < 661 sizeof(struct qmi_wwan_state))); 662 663 /* set up initial state */ 664 info->control = intf; 665 info->data = intf; 666 667 /* and a number of CDC descriptors */ 668 cdc_parse_cdc_header(&hdr, intf, buf, len); 669 cdc_union = hdr.usb_cdc_union_desc; 670 cdc_ether = hdr.usb_cdc_ether_desc; 671 672 /* Use separate control and data interfaces if we found a CDC Union */ 673 if (cdc_union) { 674 info->data = usb_ifnum_to_if(dev->udev, 675 cdc_union->bSlaveInterface0); 676 if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 || 677 !info->data) { 678 dev_err(&intf->dev, 679 "bogus CDC Union: master=%u, slave=%u\n", 680 cdc_union->bMasterInterface0, 681 cdc_union->bSlaveInterface0); 682 683 /* ignore and continue... */ 684 cdc_union = NULL; 685 info->data = intf; 686 } 687 } 688 689 /* errors aren't fatal - we can live with the dynamic address */ 690 if (cdc_ether && cdc_ether->wMaxSegmentSize) { 691 dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize); 692 usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress); 693 } 694 695 /* claim data interface and set it up */ 696 if (info->control != info->data) { 697 status = usb_driver_claim_interface(driver, info->data, dev); 698 if (status < 0) 699 goto err; 700 } 701 702 status = qmi_wwan_register_subdriver(dev); 703 if (status < 0 && info->control != info->data) { 704 usb_set_intfdata(info->data, NULL); 705 usb_driver_release_interface(driver, info->data); 706 } 707 708 /* disabling remote wakeup on MDM9x30 devices has the same 709 * effect as clearing DTR. The device will not respond to QMI 710 * requests until we set DTR again. This is similar to a 711 * QMI_CTL SYNC request, clearing a lot of firmware state 712 * including the client ID allocations. 713 * 714 * Our usage model allows a session to span multiple 715 * open/close events, so we must prevent the firmware from 716 * clearing out state the clients might need. 717 * 718 * MDM9x30 is the first QMI chipset with USB3 support. Abuse 719 * this fact to enable the quirk for all USB3 devices. 720 * 721 * There are also chipsets with the same "set DTR" requirement 722 * but without USB3 support. Devices based on these chips 723 * need a quirk flag in the device ID table. 724 */ 725 if (dev->driver_info->data & QMI_WWAN_QUIRK_DTR || 726 le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 727 qmi_wwan_manage_power(dev, 1); 728 qmi_wwan_change_dtr(dev, true); 729 } 730 731 /* Never use the same address on both ends of the link, even if the 732 * buggy firmware told us to. Or, if device is assigned the well-known 733 * buggy firmware MAC address, replace it with a random address, 734 */ 735 if (ether_addr_equal(dev->net->dev_addr, default_modem_addr) || 736 ether_addr_equal(dev->net->dev_addr, buggy_fw_addr)) 737 eth_hw_addr_random(dev->net); 738 739 /* make MAC addr easily distinguishable from an IP header */ 740 if (possibly_iphdr(dev->net->dev_addr)) { 741 dev->net->dev_addr[0] |= 0x02; /* set local assignment bit */ 742 dev->net->dev_addr[0] &= 0xbf; /* clear "IP" bit */ 743 } 744 dev->net->netdev_ops = &qmi_wwan_netdev_ops; 745 dev->net->sysfs_groups[0] = &qmi_wwan_sysfs_attr_group; 746 err: 747 return status; 748 } 749 750 static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf) 751 { 752 struct qmi_wwan_state *info = (void *)&dev->data; 753 struct usb_driver *driver = driver_of(intf); 754 struct usb_interface *other; 755 756 if (info->subdriver && info->subdriver->disconnect) 757 info->subdriver->disconnect(info->control); 758 759 /* disable MDM9x30 quirk */ 760 if (le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 761 qmi_wwan_change_dtr(dev, false); 762 qmi_wwan_manage_power(dev, 0); 763 } 764 765 /* allow user to unbind using either control or data */ 766 if (intf == info->control) 767 other = info->data; 768 else 769 other = info->control; 770 771 /* only if not shared */ 772 if (other && intf != other) { 773 usb_set_intfdata(other, NULL); 774 usb_driver_release_interface(driver, other); 775 } 776 777 info->subdriver = NULL; 778 info->data = NULL; 779 info->control = NULL; 780 } 781 782 /* suspend/resume wrappers calling both usbnet and the cdc-wdm 783 * subdriver if present. 784 * 785 * NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide 786 * wrappers for those without adding usbnet reset support first. 787 */ 788 static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message) 789 { 790 struct usbnet *dev = usb_get_intfdata(intf); 791 struct qmi_wwan_state *info = (void *)&dev->data; 792 int ret; 793 794 /* Both usbnet_suspend() and subdriver->suspend() MUST return 0 795 * in system sleep context, otherwise, the resume callback has 796 * to recover device from previous suspend failure. 797 */ 798 ret = usbnet_suspend(intf, message); 799 if (ret < 0) 800 goto err; 801 802 if (intf == info->control && info->subdriver && 803 info->subdriver->suspend) 804 ret = info->subdriver->suspend(intf, message); 805 if (ret < 0) 806 usbnet_resume(intf); 807 err: 808 return ret; 809 } 810 811 static int qmi_wwan_resume(struct usb_interface *intf) 812 { 813 struct usbnet *dev = usb_get_intfdata(intf); 814 struct qmi_wwan_state *info = (void *)&dev->data; 815 int ret = 0; 816 bool callsub = (intf == info->control && info->subdriver && 817 info->subdriver->resume); 818 819 if (callsub) 820 ret = info->subdriver->resume(intf); 821 if (ret < 0) 822 goto err; 823 ret = usbnet_resume(intf); 824 if (ret < 0 && callsub) 825 info->subdriver->suspend(intf, PMSG_SUSPEND); 826 err: 827 return ret; 828 } 829 830 static const struct driver_info qmi_wwan_info = { 831 .description = "WWAN/QMI device", 832 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 833 .bind = qmi_wwan_bind, 834 .unbind = qmi_wwan_unbind, 835 .manage_power = qmi_wwan_manage_power, 836 .rx_fixup = qmi_wwan_rx_fixup, 837 }; 838 839 static const struct driver_info qmi_wwan_info_quirk_dtr = { 840 .description = "WWAN/QMI device", 841 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 842 .bind = qmi_wwan_bind, 843 .unbind = qmi_wwan_unbind, 844 .manage_power = qmi_wwan_manage_power, 845 .rx_fixup = qmi_wwan_rx_fixup, 846 .data = QMI_WWAN_QUIRK_DTR, 847 }; 848 849 static const struct driver_info qmi_wwan_info_quirk_quectel_dyncfg = { 850 .description = "WWAN/QMI device", 851 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 852 .bind = qmi_wwan_bind, 853 .unbind = qmi_wwan_unbind, 854 .manage_power = qmi_wwan_manage_power, 855 .rx_fixup = qmi_wwan_rx_fixup, 856 .data = QMI_WWAN_QUIRK_DTR | QMI_WWAN_QUIRK_QUECTEL_DYNCFG, 857 }; 858 859 #define HUAWEI_VENDOR_ID 0x12D1 860 861 /* map QMI/wwan function by a fixed interface number */ 862 #define QMI_FIXED_INTF(vend, prod, num) \ 863 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 864 .driver_info = (unsigned long)&qmi_wwan_info 865 866 /* devices requiring "set DTR" quirk */ 867 #define QMI_QUIRK_SET_DTR(vend, prod, num) \ 868 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 869 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 870 871 /* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */ 872 #define QMI_GOBI1K_DEVICE(vend, prod) \ 873 QMI_FIXED_INTF(vend, prod, 3) 874 875 /* Gobi 2000/3000 QMI/wwan interface number is 0 according to qcserial */ 876 #define QMI_GOBI_DEVICE(vend, prod) \ 877 QMI_FIXED_INTF(vend, prod, 0) 878 879 /* Quectel does not use fixed interface numbers on at least some of their 880 * devices. We need to check the number of endpoints to ensure that we bind to 881 * the correct interface. 882 */ 883 #define QMI_QUIRK_QUECTEL_DYNCFG(vend, prod) \ 884 USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_VENDOR_SPEC, \ 885 USB_SUBCLASS_VENDOR_SPEC, 0xff), \ 886 .driver_info = (unsigned long)&qmi_wwan_info_quirk_quectel_dyncfg 887 888 static const struct usb_device_id products[] = { 889 /* 1. CDC ECM like devices match on the control interface */ 890 { /* Huawei E392, E398 and possibly others sharing both device id and more... */ 891 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 9), 892 .driver_info = (unsigned long)&qmi_wwan_info, 893 }, 894 { /* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */ 895 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 57), 896 .driver_info = (unsigned long)&qmi_wwan_info, 897 }, 898 { /* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */ 899 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69), 900 .driver_info = (unsigned long)&qmi_wwan_info, 901 }, 902 { /* Motorola Mapphone devices with MDM6600 */ 903 USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC, 0xfb, 0xff), 904 .driver_info = (unsigned long)&qmi_wwan_info, 905 }, 906 907 /* 2. Combined interface devices matching on class+protocol */ 908 { /* Huawei E367 and possibly others in "Windows mode" */ 909 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7), 910 .driver_info = (unsigned long)&qmi_wwan_info, 911 }, 912 { /* Huawei E392, E398 and possibly others in "Windows mode" */ 913 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17), 914 .driver_info = (unsigned long)&qmi_wwan_info, 915 }, 916 { /* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */ 917 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x37), 918 .driver_info = (unsigned long)&qmi_wwan_info, 919 }, 920 { /* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */ 921 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x67), 922 .driver_info = (unsigned long)&qmi_wwan_info, 923 }, 924 { /* Pantech UML290, P4200 and more */ 925 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff), 926 .driver_info = (unsigned long)&qmi_wwan_info, 927 }, 928 { /* Pantech UML290 - newer firmware */ 929 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff), 930 .driver_info = (unsigned long)&qmi_wwan_info, 931 }, 932 { /* Novatel USB551L and MC551 */ 933 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001, 934 USB_CLASS_COMM, 935 USB_CDC_SUBCLASS_ETHERNET, 936 USB_CDC_PROTO_NONE), 937 .driver_info = (unsigned long)&qmi_wwan_info, 938 }, 939 { /* Novatel E362 */ 940 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010, 941 USB_CLASS_COMM, 942 USB_CDC_SUBCLASS_ETHERNET, 943 USB_CDC_PROTO_NONE), 944 .driver_info = (unsigned long)&qmi_wwan_info, 945 }, 946 { /* Novatel Expedite E371 */ 947 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9011, 948 USB_CLASS_COMM, 949 USB_CDC_SUBCLASS_ETHERNET, 950 USB_CDC_PROTO_NONE), 951 .driver_info = (unsigned long)&qmi_wwan_info, 952 }, 953 { /* Dell Wireless 5800 (Novatel E362) */ 954 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195, 955 USB_CLASS_COMM, 956 USB_CDC_SUBCLASS_ETHERNET, 957 USB_CDC_PROTO_NONE), 958 .driver_info = (unsigned long)&qmi_wwan_info, 959 }, 960 { /* Dell Wireless 5800 V2 (Novatel E362) */ 961 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196, 962 USB_CLASS_COMM, 963 USB_CDC_SUBCLASS_ETHERNET, 964 USB_CDC_PROTO_NONE), 965 .driver_info = (unsigned long)&qmi_wwan_info, 966 }, 967 { /* Dell Wireless 5804 (Novatel E371) */ 968 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b, 969 USB_CLASS_COMM, 970 USB_CDC_SUBCLASS_ETHERNET, 971 USB_CDC_PROTO_NONE), 972 .driver_info = (unsigned long)&qmi_wwan_info, 973 }, 974 { /* ADU960S */ 975 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, 976 USB_CLASS_COMM, 977 USB_CDC_SUBCLASS_ETHERNET, 978 USB_CDC_PROTO_NONE), 979 .driver_info = (unsigned long)&qmi_wwan_info, 980 }, 981 { /* HP lt2523 (Novatel E371) */ 982 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 983 USB_CLASS_COMM, 984 USB_CDC_SUBCLASS_ETHERNET, 985 USB_CDC_PROTO_NONE), 986 .driver_info = (unsigned long)&qmi_wwan_info, 987 }, 988 { /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */ 989 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7), 990 .driver_info = (unsigned long)&qmi_wwan_info, 991 }, 992 {QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ 993 {QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */ 994 {QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */ 995 996 /* 3. Combined interface devices matching on interface number */ 997 {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */ 998 {QMI_FIXED_INTF(0x05c6, 0x6001, 3)}, /* 4G LTE usb-modem U901 */ 999 {QMI_FIXED_INTF(0x05c6, 0x7000, 0)}, 1000 {QMI_FIXED_INTF(0x05c6, 0x7001, 1)}, 1001 {QMI_FIXED_INTF(0x05c6, 0x7002, 1)}, 1002 {QMI_FIXED_INTF(0x05c6, 0x7101, 1)}, 1003 {QMI_FIXED_INTF(0x05c6, 0x7101, 2)}, 1004 {QMI_FIXED_INTF(0x05c6, 0x7101, 3)}, 1005 {QMI_FIXED_INTF(0x05c6, 0x7102, 1)}, 1006 {QMI_FIXED_INTF(0x05c6, 0x7102, 2)}, 1007 {QMI_FIXED_INTF(0x05c6, 0x7102, 3)}, 1008 {QMI_FIXED_INTF(0x05c6, 0x8000, 7)}, 1009 {QMI_FIXED_INTF(0x05c6, 0x8001, 6)}, 1010 {QMI_FIXED_INTF(0x05c6, 0x9000, 4)}, 1011 {QMI_FIXED_INTF(0x05c6, 0x9003, 4)}, 1012 {QMI_FIXED_INTF(0x05c6, 0x9005, 2)}, 1013 {QMI_FIXED_INTF(0x05c6, 0x900a, 4)}, 1014 {QMI_FIXED_INTF(0x05c6, 0x900b, 2)}, 1015 {QMI_FIXED_INTF(0x05c6, 0x900c, 4)}, 1016 {QMI_FIXED_INTF(0x05c6, 0x900c, 5)}, 1017 {QMI_FIXED_INTF(0x05c6, 0x900c, 6)}, 1018 {QMI_FIXED_INTF(0x05c6, 0x900d, 5)}, 1019 {QMI_FIXED_INTF(0x05c6, 0x900f, 3)}, 1020 {QMI_FIXED_INTF(0x05c6, 0x900f, 4)}, 1021 {QMI_FIXED_INTF(0x05c6, 0x900f, 5)}, 1022 {QMI_FIXED_INTF(0x05c6, 0x9010, 4)}, 1023 {QMI_FIXED_INTF(0x05c6, 0x9010, 5)}, 1024 {QMI_FIXED_INTF(0x05c6, 0x9011, 3)}, 1025 {QMI_FIXED_INTF(0x05c6, 0x9011, 4)}, 1026 {QMI_FIXED_INTF(0x05c6, 0x9021, 1)}, 1027 {QMI_FIXED_INTF(0x05c6, 0x9022, 2)}, 1028 {QMI_FIXED_INTF(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD LTE (China Mobile) */ 1029 {QMI_FIXED_INTF(0x05c6, 0x9026, 3)}, 1030 {QMI_FIXED_INTF(0x05c6, 0x902e, 5)}, 1031 {QMI_FIXED_INTF(0x05c6, 0x9031, 5)}, 1032 {QMI_FIXED_INTF(0x05c6, 0x9032, 4)}, 1033 {QMI_FIXED_INTF(0x05c6, 0x9033, 3)}, 1034 {QMI_FIXED_INTF(0x05c6, 0x9033, 4)}, 1035 {QMI_FIXED_INTF(0x05c6, 0x9033, 5)}, 1036 {QMI_FIXED_INTF(0x05c6, 0x9033, 6)}, 1037 {QMI_FIXED_INTF(0x05c6, 0x9034, 3)}, 1038 {QMI_FIXED_INTF(0x05c6, 0x9034, 4)}, 1039 {QMI_FIXED_INTF(0x05c6, 0x9034, 5)}, 1040 {QMI_FIXED_INTF(0x05c6, 0x9034, 6)}, 1041 {QMI_FIXED_INTF(0x05c6, 0x9034, 7)}, 1042 {QMI_FIXED_INTF(0x05c6, 0x9035, 4)}, 1043 {QMI_FIXED_INTF(0x05c6, 0x9036, 3)}, 1044 {QMI_FIXED_INTF(0x05c6, 0x9037, 5)}, 1045 {QMI_FIXED_INTF(0x05c6, 0x9038, 4)}, 1046 {QMI_FIXED_INTF(0x05c6, 0x903b, 7)}, 1047 {QMI_FIXED_INTF(0x05c6, 0x903c, 6)}, 1048 {QMI_FIXED_INTF(0x05c6, 0x903d, 6)}, 1049 {QMI_FIXED_INTF(0x05c6, 0x903e, 5)}, 1050 {QMI_FIXED_INTF(0x05c6, 0x9043, 3)}, 1051 {QMI_FIXED_INTF(0x05c6, 0x9046, 3)}, 1052 {QMI_FIXED_INTF(0x05c6, 0x9046, 4)}, 1053 {QMI_FIXED_INTF(0x05c6, 0x9046, 5)}, 1054 {QMI_FIXED_INTF(0x05c6, 0x9047, 2)}, 1055 {QMI_FIXED_INTF(0x05c6, 0x9047, 3)}, 1056 {QMI_FIXED_INTF(0x05c6, 0x9047, 4)}, 1057 {QMI_FIXED_INTF(0x05c6, 0x9048, 4)}, 1058 {QMI_FIXED_INTF(0x05c6, 0x9048, 5)}, 1059 {QMI_FIXED_INTF(0x05c6, 0x9048, 6)}, 1060 {QMI_FIXED_INTF(0x05c6, 0x9048, 7)}, 1061 {QMI_FIXED_INTF(0x05c6, 0x9048, 8)}, 1062 {QMI_FIXED_INTF(0x05c6, 0x904c, 5)}, 1063 {QMI_FIXED_INTF(0x05c6, 0x904c, 6)}, 1064 {QMI_FIXED_INTF(0x05c6, 0x904c, 7)}, 1065 {QMI_FIXED_INTF(0x05c6, 0x904c, 8)}, 1066 {QMI_FIXED_INTF(0x05c6, 0x9050, 3)}, 1067 {QMI_FIXED_INTF(0x05c6, 0x9052, 4)}, 1068 {QMI_FIXED_INTF(0x05c6, 0x9053, 6)}, 1069 {QMI_FIXED_INTF(0x05c6, 0x9053, 7)}, 1070 {QMI_FIXED_INTF(0x05c6, 0x9054, 5)}, 1071 {QMI_FIXED_INTF(0x05c6, 0x9054, 6)}, 1072 {QMI_FIXED_INTF(0x05c6, 0x9055, 3)}, 1073 {QMI_FIXED_INTF(0x05c6, 0x9055, 4)}, 1074 {QMI_FIXED_INTF(0x05c6, 0x9055, 5)}, 1075 {QMI_FIXED_INTF(0x05c6, 0x9055, 6)}, 1076 {QMI_FIXED_INTF(0x05c6, 0x9055, 7)}, 1077 {QMI_FIXED_INTF(0x05c6, 0x9056, 3)}, 1078 {QMI_FIXED_INTF(0x05c6, 0x9062, 2)}, 1079 {QMI_FIXED_INTF(0x05c6, 0x9062, 3)}, 1080 {QMI_FIXED_INTF(0x05c6, 0x9062, 4)}, 1081 {QMI_FIXED_INTF(0x05c6, 0x9062, 5)}, 1082 {QMI_FIXED_INTF(0x05c6, 0x9062, 6)}, 1083 {QMI_FIXED_INTF(0x05c6, 0x9062, 7)}, 1084 {QMI_FIXED_INTF(0x05c6, 0x9062, 8)}, 1085 {QMI_FIXED_INTF(0x05c6, 0x9062, 9)}, 1086 {QMI_FIXED_INTF(0x05c6, 0x9064, 3)}, 1087 {QMI_FIXED_INTF(0x05c6, 0x9065, 6)}, 1088 {QMI_FIXED_INTF(0x05c6, 0x9065, 7)}, 1089 {QMI_FIXED_INTF(0x05c6, 0x9066, 5)}, 1090 {QMI_FIXED_INTF(0x05c6, 0x9066, 6)}, 1091 {QMI_FIXED_INTF(0x05c6, 0x9067, 1)}, 1092 {QMI_FIXED_INTF(0x05c6, 0x9068, 2)}, 1093 {QMI_FIXED_INTF(0x05c6, 0x9068, 3)}, 1094 {QMI_FIXED_INTF(0x05c6, 0x9068, 4)}, 1095 {QMI_FIXED_INTF(0x05c6, 0x9068, 5)}, 1096 {QMI_FIXED_INTF(0x05c6, 0x9068, 6)}, 1097 {QMI_FIXED_INTF(0x05c6, 0x9068, 7)}, 1098 {QMI_FIXED_INTF(0x05c6, 0x9069, 5)}, 1099 {QMI_FIXED_INTF(0x05c6, 0x9069, 6)}, 1100 {QMI_FIXED_INTF(0x05c6, 0x9069, 7)}, 1101 {QMI_FIXED_INTF(0x05c6, 0x9069, 8)}, 1102 {QMI_FIXED_INTF(0x05c6, 0x9070, 4)}, 1103 {QMI_FIXED_INTF(0x05c6, 0x9070, 5)}, 1104 {QMI_FIXED_INTF(0x05c6, 0x9075, 5)}, 1105 {QMI_FIXED_INTF(0x05c6, 0x9076, 4)}, 1106 {QMI_FIXED_INTF(0x05c6, 0x9076, 5)}, 1107 {QMI_FIXED_INTF(0x05c6, 0x9076, 6)}, 1108 {QMI_FIXED_INTF(0x05c6, 0x9076, 7)}, 1109 {QMI_FIXED_INTF(0x05c6, 0x9076, 8)}, 1110 {QMI_FIXED_INTF(0x05c6, 0x9077, 3)}, 1111 {QMI_FIXED_INTF(0x05c6, 0x9077, 4)}, 1112 {QMI_FIXED_INTF(0x05c6, 0x9077, 5)}, 1113 {QMI_FIXED_INTF(0x05c6, 0x9077, 6)}, 1114 {QMI_FIXED_INTF(0x05c6, 0x9078, 3)}, 1115 {QMI_FIXED_INTF(0x05c6, 0x9079, 4)}, 1116 {QMI_FIXED_INTF(0x05c6, 0x9079, 5)}, 1117 {QMI_FIXED_INTF(0x05c6, 0x9079, 6)}, 1118 {QMI_FIXED_INTF(0x05c6, 0x9079, 7)}, 1119 {QMI_FIXED_INTF(0x05c6, 0x9079, 8)}, 1120 {QMI_FIXED_INTF(0x05c6, 0x9080, 5)}, 1121 {QMI_FIXED_INTF(0x05c6, 0x9080, 6)}, 1122 {QMI_FIXED_INTF(0x05c6, 0x9080, 7)}, 1123 {QMI_FIXED_INTF(0x05c6, 0x9080, 8)}, 1124 {QMI_FIXED_INTF(0x05c6, 0x9083, 3)}, 1125 {QMI_FIXED_INTF(0x05c6, 0x9084, 4)}, 1126 {QMI_FIXED_INTF(0x05c6, 0x90b2, 3)}, /* ublox R410M */ 1127 {QMI_FIXED_INTF(0x05c6, 0x920d, 0)}, 1128 {QMI_FIXED_INTF(0x05c6, 0x920d, 5)}, 1129 {QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)}, /* YUGA CLM920-NC5 */ 1130 {QMI_FIXED_INTF(0x0846, 0x68a2, 8)}, 1131 {QMI_FIXED_INTF(0x0846, 0x68d3, 8)}, /* Netgear Aircard 779S */ 1132 {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ 1133 {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */ 1134 {QMI_FIXED_INTF(0x1435, 0x0918, 3)}, /* Wistron NeWeb D16Q1 */ 1135 {QMI_FIXED_INTF(0x1435, 0x0918, 4)}, /* Wistron NeWeb D16Q1 */ 1136 {QMI_FIXED_INTF(0x1435, 0x0918, 5)}, /* Wistron NeWeb D16Q1 */ 1137 {QMI_FIXED_INTF(0x1435, 0x3185, 4)}, /* Wistron NeWeb M18Q5 */ 1138 {QMI_FIXED_INTF(0x1435, 0xd111, 4)}, /* M9615A DM11-1 D51QC */ 1139 {QMI_FIXED_INTF(0x1435, 0xd181, 3)}, /* Wistron NeWeb D18Q1 */ 1140 {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */ 1141 {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */ 1142 {QMI_FIXED_INTF(0x1435, 0xd182, 4)}, /* Wistron NeWeb D18 */ 1143 {QMI_FIXED_INTF(0x1435, 0xd182, 5)}, /* Wistron NeWeb D18 */ 1144 {QMI_FIXED_INTF(0x1435, 0xd191, 4)}, /* Wistron NeWeb D19Q1 */ 1145 {QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)}, /* Fibocom NL668 series */ 1146 {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ 1147 {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */ 1148 {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */ 1149 {QMI_FIXED_INTF(0x16d8, 0x6280, 0)}, /* CMOTech CHU-628 */ 1150 {QMI_FIXED_INTF(0x16d8, 0x7001, 0)}, /* CMOTech CHU-720S */ 1151 {QMI_FIXED_INTF(0x16d8, 0x7002, 0)}, /* CMOTech 7002 */ 1152 {QMI_FIXED_INTF(0x16d8, 0x7003, 4)}, /* CMOTech CHU-629K */ 1153 {QMI_FIXED_INTF(0x16d8, 0x7004, 3)}, /* CMOTech 7004 */ 1154 {QMI_FIXED_INTF(0x16d8, 0x7006, 5)}, /* CMOTech CGU-629 */ 1155 {QMI_FIXED_INTF(0x16d8, 0x700a, 4)}, /* CMOTech CHU-629S */ 1156 {QMI_FIXED_INTF(0x16d8, 0x7211, 0)}, /* CMOTech CHU-720I */ 1157 {QMI_FIXED_INTF(0x16d8, 0x7212, 0)}, /* CMOTech 7212 */ 1158 {QMI_FIXED_INTF(0x16d8, 0x7213, 0)}, /* CMOTech 7213 */ 1159 {QMI_FIXED_INTF(0x16d8, 0x7251, 1)}, /* CMOTech 7251 */ 1160 {QMI_FIXED_INTF(0x16d8, 0x7252, 1)}, /* CMOTech 7252 */ 1161 {QMI_FIXED_INTF(0x16d8, 0x7253, 1)}, /* CMOTech 7253 */ 1162 {QMI_FIXED_INTF(0x19d2, 0x0002, 1)}, 1163 {QMI_FIXED_INTF(0x19d2, 0x0012, 1)}, 1164 {QMI_FIXED_INTF(0x19d2, 0x0017, 3)}, 1165 {QMI_FIXED_INTF(0x19d2, 0x0019, 3)}, /* ONDA MT689DC */ 1166 {QMI_FIXED_INTF(0x19d2, 0x0021, 4)}, 1167 {QMI_FIXED_INTF(0x19d2, 0x0025, 1)}, 1168 {QMI_FIXED_INTF(0x19d2, 0x0031, 4)}, 1169 {QMI_FIXED_INTF(0x19d2, 0x0042, 4)}, 1170 {QMI_FIXED_INTF(0x19d2, 0x0049, 5)}, 1171 {QMI_FIXED_INTF(0x19d2, 0x0052, 4)}, 1172 {QMI_FIXED_INTF(0x19d2, 0x0055, 1)}, /* ZTE (Vodafone) K3520-Z */ 1173 {QMI_FIXED_INTF(0x19d2, 0x0058, 4)}, 1174 {QMI_FIXED_INTF(0x19d2, 0x0063, 4)}, /* ZTE (Vodafone) K3565-Z */ 1175 {QMI_FIXED_INTF(0x19d2, 0x0104, 4)}, /* ZTE (Vodafone) K4505-Z */ 1176 {QMI_FIXED_INTF(0x19d2, 0x0113, 5)}, 1177 {QMI_FIXED_INTF(0x19d2, 0x0118, 5)}, 1178 {QMI_FIXED_INTF(0x19d2, 0x0121, 5)}, 1179 {QMI_FIXED_INTF(0x19d2, 0x0123, 4)}, 1180 {QMI_FIXED_INTF(0x19d2, 0x0124, 5)}, 1181 {QMI_FIXED_INTF(0x19d2, 0x0125, 6)}, 1182 {QMI_FIXED_INTF(0x19d2, 0x0126, 5)}, 1183 {QMI_FIXED_INTF(0x19d2, 0x0130, 1)}, 1184 {QMI_FIXED_INTF(0x19d2, 0x0133, 3)}, 1185 {QMI_FIXED_INTF(0x19d2, 0x0141, 5)}, 1186 {QMI_FIXED_INTF(0x19d2, 0x0157, 5)}, /* ZTE MF683 */ 1187 {QMI_FIXED_INTF(0x19d2, 0x0158, 3)}, 1188 {QMI_FIXED_INTF(0x19d2, 0x0167, 4)}, /* ZTE MF820D */ 1189 {QMI_FIXED_INTF(0x19d2, 0x0168, 4)}, 1190 {QMI_FIXED_INTF(0x19d2, 0x0176, 3)}, 1191 {QMI_FIXED_INTF(0x19d2, 0x0178, 3)}, 1192 {QMI_FIXED_INTF(0x19d2, 0x0191, 4)}, /* ZTE EuFi890 */ 1193 {QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */ 1194 {QMI_FIXED_INTF(0x19d2, 0x0200, 1)}, 1195 {QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */ 1196 {QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */ 1197 {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */ 1198 {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */ 1199 {QMI_FIXED_INTF(0x19d2, 0x0396, 3)}, /* ZTE ZM8620 */ 1200 {QMI_FIXED_INTF(0x19d2, 0x0412, 4)}, /* Telewell TW-LTE 4G */ 1201 {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */ 1202 {QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */ 1203 {QMI_FIXED_INTF(0x19d2, 0x1012, 4)}, 1204 {QMI_FIXED_INTF(0x19d2, 0x1018, 3)}, /* ZTE (Vodafone) K5006-Z */ 1205 {QMI_FIXED_INTF(0x19d2, 0x1021, 2)}, 1206 {QMI_FIXED_INTF(0x19d2, 0x1245, 4)}, 1207 {QMI_FIXED_INTF(0x19d2, 0x1247, 4)}, 1208 {QMI_FIXED_INTF(0x19d2, 0x1252, 4)}, 1209 {QMI_FIXED_INTF(0x19d2, 0x1254, 4)}, 1210 {QMI_FIXED_INTF(0x19d2, 0x1255, 3)}, 1211 {QMI_FIXED_INTF(0x19d2, 0x1255, 4)}, 1212 {QMI_FIXED_INTF(0x19d2, 0x1256, 4)}, 1213 {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */ 1214 {QMI_FIXED_INTF(0x19d2, 0x1401, 2)}, 1215 {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */ 1216 {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, 1217 {QMI_FIXED_INTF(0x19d2, 0x1425, 2)}, 1218 {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */ 1219 {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */ 1220 {QMI_FIXED_INTF(0x19d2, 0x1432, 3)}, /* ZTE ME3620 */ 1221 {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ 1222 {QMI_FIXED_INTF(0x2001, 0x7e16, 3)}, /* D-Link DWM-221 */ 1223 {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */ 1224 {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */ 1225 {QMI_FIXED_INTF(0x2020, 0x2031, 4)}, /* Olicard 600 */ 1226 {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */ 1227 {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ 1228 {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ 1229 {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ 1230 {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ 1231 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354, WP76xx */ 1232 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 10)},/* Sierra Wireless MC7304/MC7354 */ 1233 {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ 1234 {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */ 1235 {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */ 1236 {QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */ 1237 {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ 1238 {QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */ 1239 {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */ 1240 {QMI_FIXED_INTF(0x1199, 0x9055, 8)}, /* Netgear AirCard 341U */ 1241 {QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */ 1242 {QMI_FIXED_INTF(0x1199, 0x9057, 8)}, 1243 {QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */ 1244 {QMI_FIXED_INTF(0x1199, 0x9063, 8)}, /* Sierra Wireless EM7305 */ 1245 {QMI_FIXED_INTF(0x1199, 0x9063, 10)}, /* Sierra Wireless EM7305 */ 1246 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 8)}, /* Sierra Wireless MC74xx */ 1247 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 10)},/* Sierra Wireless MC74xx */ 1248 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 8)}, /* Sierra Wireless EM74xx */ 1249 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 10)},/* Sierra Wireless EM74xx */ 1250 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 8)}, /* Sierra Wireless EM74xx */ 1251 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 10)},/* Sierra Wireless EM74xx */ 1252 {QMI_QUIRK_SET_DTR(0x1199, 0x9091, 8)}, /* Sierra Wireless EM7565 */ 1253 {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ 1254 {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */ 1255 {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ 1256 {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ 1257 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ 1258 {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ 1259 {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */ 1260 {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ 1261 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */ 1262 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */ 1263 {QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */ 1264 {QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */ 1265 {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ 1266 {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ 1267 {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ 1268 {QMI_FIXED_INTF(0x0b3c, 0xc002, 4)}, /* Olivetti Olicard 140 */ 1269 {QMI_FIXED_INTF(0x0b3c, 0xc004, 6)}, /* Olivetti Olicard 155 */ 1270 {QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */ 1271 {QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */ 1272 {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */ 1273 {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ 1274 {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */ 1275 {QMI_FIXED_INTF(0x1e2d, 0x0063, 10)}, /* Cinterion ALASxx (1 RmNet) */ 1276 {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1277 {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1278 {QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/ 1279 {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ 1280 {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ 1281 {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ 1282 {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ 1283 {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ 1284 {QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ 1285 {QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ 1286 {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */ 1287 {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */ 1288 {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */ 1289 {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ 1290 {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ 1291 {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ 1292 {QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */ 1293 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */ 1294 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */ 1295 {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ 1296 {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */ 1297 1298 /* 4. Gobi 1000 devices */ 1299 {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ 1300 {QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ 1301 {QMI_GOBI1K_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ 1302 {QMI_GOBI1K_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ 1303 {QMI_GOBI1K_DEVICE(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */ 1304 {QMI_GOBI1K_DEVICE(0x1410, 0xa002)}, /* Novatel Gobi Modem device */ 1305 {QMI_GOBI1K_DEVICE(0x1410, 0xa003)}, /* Novatel Gobi Modem device */ 1306 {QMI_GOBI1K_DEVICE(0x1410, 0xa004)}, /* Novatel Gobi Modem device */ 1307 {QMI_GOBI1K_DEVICE(0x1410, 0xa005)}, /* Novatel Gobi Modem device */ 1308 {QMI_GOBI1K_DEVICE(0x1410, 0xa006)}, /* Novatel Gobi Modem device */ 1309 {QMI_GOBI1K_DEVICE(0x1410, 0xa007)}, /* Novatel Gobi Modem device */ 1310 {QMI_GOBI1K_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ 1311 {QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ 1312 {QMI_GOBI1K_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ 1313 {QMI_GOBI1K_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ 1314 {QMI_GOBI1K_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ 1315 {QMI_GOBI1K_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ 1316 {QMI_GOBI1K_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ 1317 {QMI_GOBI1K_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ 1318 1319 /* 5. Gobi 2000 and 3000 devices */ 1320 {QMI_GOBI_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ 1321 {QMI_GOBI_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ 1322 {QMI_GOBI_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ 1323 {QMI_GOBI_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ 1324 {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ 1325 {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ 1326 {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ 1327 {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */ 1328 {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ 1329 {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ 1330 {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ 1331 {QMI_GOBI_DEVICE(0x0af0, 0x8120)}, /* Option GTM681W */ 1332 {QMI_GOBI_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */ 1333 {QMI_GOBI_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */ 1334 {QMI_GOBI_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1335 {QMI_GOBI_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1336 {QMI_GOBI_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1337 {QMI_GOBI_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1338 {QMI_GOBI_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1339 {QMI_GOBI_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1340 {QMI_GOBI_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1341 {QMI_GOBI_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1342 {QMI_GOBI_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1343 {QMI_GOBI_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1344 {QMI_GOBI_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ 1345 {QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ 1346 {QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ 1347 {QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ 1348 {QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ 1349 {QMI_GOBI_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ 1350 {QMI_GOBI_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ 1351 {QMI_GOBI_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ 1352 {QMI_GOBI_DEVICE(0x12d1, 0x14f1)}, /* Sony Gobi 3000 Composite */ 1353 {QMI_GOBI_DEVICE(0x1410, 0xa021)}, /* Foxconn Gobi 3000 Modem device (Novatel E396) */ 1354 1355 { } /* END */ 1356 }; 1357 MODULE_DEVICE_TABLE(usb, products); 1358 1359 static bool quectel_ec20_detected(struct usb_interface *intf) 1360 { 1361 struct usb_device *dev = interface_to_usbdev(intf); 1362 1363 if (dev->actconfig && 1364 le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 && 1365 le16_to_cpu(dev->descriptor.idProduct) == 0x9215 && 1366 dev->actconfig->desc.bNumInterfaces == 5) 1367 return true; 1368 1369 return false; 1370 } 1371 1372 static int qmi_wwan_probe(struct usb_interface *intf, 1373 const struct usb_device_id *prod) 1374 { 1375 struct usb_device_id *id = (struct usb_device_id *)prod; 1376 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 1377 const struct driver_info *info; 1378 1379 /* Workaround to enable dynamic IDs. This disables usbnet 1380 * blacklisting functionality. Which, if required, can be 1381 * reimplemented here by using a magic "blacklist" value 1382 * instead of 0 in the static device id table 1383 */ 1384 if (!id->driver_info) { 1385 dev_dbg(&intf->dev, "setting defaults for dynamic device id\n"); 1386 id->driver_info = (unsigned long)&qmi_wwan_info; 1387 } 1388 1389 /* There are devices where the same interface number can be 1390 * configured as different functions. We should only bind to 1391 * vendor specific functions when matching on interface number 1392 */ 1393 if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER && 1394 desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) { 1395 dev_dbg(&intf->dev, 1396 "Rejecting interface number match for class %02x\n", 1397 desc->bInterfaceClass); 1398 return -ENODEV; 1399 } 1400 1401 /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */ 1402 if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) { 1403 dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n"); 1404 return -ENODEV; 1405 } 1406 1407 /* Several Quectel modems supports dynamic interface configuration, so 1408 * we need to match on class/subclass/protocol. These values are 1409 * identical for the diagnostic- and QMI-interface, but bNumEndpoints is 1410 * different. Ignore the current interface if the number of endpoints 1411 * equals the number for the diag interface (two). 1412 */ 1413 info = (void *)&id->driver_info; 1414 1415 if (info->data & QMI_WWAN_QUIRK_QUECTEL_DYNCFG) { 1416 if (desc->bNumEndpoints == 2) 1417 return -ENODEV; 1418 } 1419 1420 return usbnet_probe(intf, id); 1421 } 1422 1423 static void qmi_wwan_disconnect(struct usb_interface *intf) 1424 { 1425 struct usbnet *dev = usb_get_intfdata(intf); 1426 struct qmi_wwan_state *info; 1427 struct list_head *iter; 1428 struct net_device *ldev; 1429 1430 /* called twice if separate control and data intf */ 1431 if (!dev) 1432 return; 1433 info = (void *)&dev->data; 1434 if (info->flags & QMI_WWAN_FLAG_MUX) { 1435 if (!rtnl_trylock()) { 1436 restart_syscall(); 1437 return; 1438 } 1439 rcu_read_lock(); 1440 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) 1441 qmimux_unregister_device(ldev); 1442 rcu_read_unlock(); 1443 rtnl_unlock(); 1444 info->flags &= ~QMI_WWAN_FLAG_MUX; 1445 } 1446 usbnet_disconnect(intf); 1447 } 1448 1449 static struct usb_driver qmi_wwan_driver = { 1450 .name = "qmi_wwan", 1451 .id_table = products, 1452 .probe = qmi_wwan_probe, 1453 .disconnect = qmi_wwan_disconnect, 1454 .suspend = qmi_wwan_suspend, 1455 .resume = qmi_wwan_resume, 1456 .reset_resume = qmi_wwan_resume, 1457 .supports_autosuspend = 1, 1458 .disable_hub_initiated_lpm = 1, 1459 }; 1460 1461 module_usb_driver(qmi_wwan_driver); 1462 1463 MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>"); 1464 MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver"); 1465 MODULE_LICENSE("GPL"); 1466