1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2012 Bjørn Mork <bjorn@mork.no> 4 * 5 * The probing code is heavily inspired by cdc_ether, which is: 6 * Copyright (C) 2003-2005 by David Brownell 7 * Copyright (C) 2006 by Ole Andre Vadla Ravnas (ActiveSync) 8 */ 9 10 #include <linux/module.h> 11 #include <linux/sched/signal.h> 12 #include <linux/netdevice.h> 13 #include <linux/ethtool.h> 14 #include <linux/etherdevice.h> 15 #include <linux/if_arp.h> 16 #include <linux/mii.h> 17 #include <linux/rtnetlink.h> 18 #include <linux/usb.h> 19 #include <linux/usb/cdc.h> 20 #include <linux/usb/usbnet.h> 21 #include <linux/usb/cdc-wdm.h> 22 #include <linux/u64_stats_sync.h> 23 24 /* This driver supports wwan (3G/LTE/?) devices using a vendor 25 * specific management protocol called Qualcomm MSM Interface (QMI) - 26 * in addition to the more common AT commands over serial interface 27 * management 28 * 29 * QMI is wrapped in CDC, using CDC encapsulated commands on the 30 * control ("master") interface of a two-interface CDC Union 31 * resembling standard CDC ECM. The devices do not use the control 32 * interface for any other CDC messages. Most likely because the 33 * management protocol is used in place of the standard CDC 34 * notifications NOTIFY_NETWORK_CONNECTION and NOTIFY_SPEED_CHANGE 35 * 36 * Alternatively, control and data functions can be combined in a 37 * single USB interface. 38 * 39 * Handling a protocol like QMI is out of the scope for any driver. 40 * It is exported as a character device using the cdc-wdm driver as 41 * a subdriver, enabling userspace applications ("modem managers") to 42 * handle it. 43 * 44 * These devices may alternatively/additionally be configured using AT 45 * commands on a serial interface 46 */ 47 48 /* driver specific data */ 49 struct qmi_wwan_state { 50 struct usb_driver *subdriver; 51 atomic_t pmcount; 52 unsigned long flags; 53 struct usb_interface *control; 54 struct usb_interface *data; 55 }; 56 57 enum qmi_wwan_flags { 58 QMI_WWAN_FLAG_RAWIP = 1 << 0, 59 QMI_WWAN_FLAG_MUX = 1 << 1, 60 }; 61 62 enum qmi_wwan_quirks { 63 QMI_WWAN_QUIRK_DTR = 1 << 0, /* needs "set DTR" request */ 64 QMI_WWAN_QUIRK_QUECTEL_DYNCFG = 1 << 1, /* check num. endpoints */ 65 }; 66 67 struct qmimux_hdr { 68 u8 pad; 69 u8 mux_id; 70 __be16 pkt_len; 71 }; 72 73 struct qmimux_priv { 74 struct net_device *real_dev; 75 u8 mux_id; 76 struct pcpu_sw_netstats __percpu *stats64; 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 netdev_tx_t ret; 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 ret = dev_queue_xmit(skb); 111 112 if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) { 113 struct pcpu_sw_netstats *stats64 = this_cpu_ptr(priv->stats64); 114 115 u64_stats_update_begin(&stats64->syncp); 116 stats64->tx_packets++; 117 stats64->tx_bytes += len; 118 u64_stats_update_end(&stats64->syncp); 119 } else { 120 dev->stats.tx_dropped++; 121 } 122 123 return ret; 124 } 125 126 static void qmimux_get_stats64(struct net_device *net, 127 struct rtnl_link_stats64 *stats) 128 { 129 struct qmimux_priv *priv = netdev_priv(net); 130 unsigned int start; 131 int cpu; 132 133 netdev_stats_to_stats64(stats, &net->stats); 134 135 for_each_possible_cpu(cpu) { 136 struct pcpu_sw_netstats *stats64; 137 u64 rx_packets, rx_bytes; 138 u64 tx_packets, tx_bytes; 139 140 stats64 = per_cpu_ptr(priv->stats64, cpu); 141 142 do { 143 start = u64_stats_fetch_begin_irq(&stats64->syncp); 144 rx_packets = stats64->rx_packets; 145 rx_bytes = stats64->rx_bytes; 146 tx_packets = stats64->tx_packets; 147 tx_bytes = stats64->tx_bytes; 148 } while (u64_stats_fetch_retry_irq(&stats64->syncp, start)); 149 150 stats->rx_packets += rx_packets; 151 stats->rx_bytes += rx_bytes; 152 stats->tx_packets += tx_packets; 153 stats->tx_bytes += tx_bytes; 154 } 155 } 156 157 static const struct net_device_ops qmimux_netdev_ops = { 158 .ndo_open = qmimux_open, 159 .ndo_stop = qmimux_stop, 160 .ndo_start_xmit = qmimux_start_xmit, 161 .ndo_get_stats64 = qmimux_get_stats64, 162 }; 163 164 static void qmimux_setup(struct net_device *dev) 165 { 166 dev->header_ops = NULL; /* No header */ 167 dev->type = ARPHRD_NONE; 168 dev->hard_header_len = 0; 169 dev->addr_len = 0; 170 dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 171 dev->netdev_ops = &qmimux_netdev_ops; 172 dev->mtu = 1500; 173 dev->needs_free_netdev = true; 174 } 175 176 static struct net_device *qmimux_find_dev(struct usbnet *dev, u8 mux_id) 177 { 178 struct qmimux_priv *priv; 179 struct list_head *iter; 180 struct net_device *ldev; 181 182 rcu_read_lock(); 183 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) { 184 priv = netdev_priv(ldev); 185 if (priv->mux_id == mux_id) { 186 rcu_read_unlock(); 187 return ldev; 188 } 189 } 190 rcu_read_unlock(); 191 return NULL; 192 } 193 194 static bool qmimux_has_slaves(struct usbnet *dev) 195 { 196 return !list_empty(&dev->net->adj_list.upper); 197 } 198 199 static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 200 { 201 unsigned int len, offset = 0, pad_len, pkt_len; 202 struct qmimux_hdr *hdr; 203 struct net_device *net; 204 struct sk_buff *skbn; 205 u8 qmimux_hdr_sz = sizeof(*hdr); 206 207 while (offset + qmimux_hdr_sz < skb->len) { 208 hdr = (struct qmimux_hdr *)(skb->data + offset); 209 len = be16_to_cpu(hdr->pkt_len); 210 211 /* drop the packet, bogus length */ 212 if (offset + len + qmimux_hdr_sz > skb->len) 213 return 0; 214 215 /* control packet, we do not know what to do */ 216 if (hdr->pad & 0x80) 217 goto skip; 218 219 /* extract padding length and check for valid length info */ 220 pad_len = hdr->pad & 0x3f; 221 if (len == 0 || pad_len >= len) 222 goto skip; 223 pkt_len = len - pad_len; 224 225 net = qmimux_find_dev(dev, hdr->mux_id); 226 if (!net) 227 goto skip; 228 skbn = netdev_alloc_skb(net, pkt_len); 229 if (!skbn) 230 return 0; 231 skbn->dev = net; 232 233 switch (skb->data[offset + qmimux_hdr_sz] & 0xf0) { 234 case 0x40: 235 skbn->protocol = htons(ETH_P_IP); 236 break; 237 case 0x60: 238 skbn->protocol = htons(ETH_P_IPV6); 239 break; 240 default: 241 /* not ip - do not know what to do */ 242 goto skip; 243 } 244 245 skb_put_data(skbn, skb->data + offset + qmimux_hdr_sz, pkt_len); 246 if (netif_rx(skbn) != NET_RX_SUCCESS) { 247 net->stats.rx_errors++; 248 return 0; 249 } else { 250 struct pcpu_sw_netstats *stats64; 251 struct qmimux_priv *priv = netdev_priv(net); 252 253 stats64 = this_cpu_ptr(priv->stats64); 254 u64_stats_update_begin(&stats64->syncp); 255 stats64->rx_packets++; 256 stats64->rx_bytes += pkt_len; 257 u64_stats_update_end(&stats64->syncp); 258 } 259 260 skip: 261 offset += len + qmimux_hdr_sz; 262 } 263 return 1; 264 } 265 266 static int qmimux_register_device(struct net_device *real_dev, u8 mux_id) 267 { 268 struct net_device *new_dev; 269 struct qmimux_priv *priv; 270 int err; 271 272 new_dev = alloc_netdev(sizeof(struct qmimux_priv), 273 "qmimux%d", NET_NAME_UNKNOWN, qmimux_setup); 274 if (!new_dev) 275 return -ENOBUFS; 276 277 dev_net_set(new_dev, dev_net(real_dev)); 278 priv = netdev_priv(new_dev); 279 priv->mux_id = mux_id; 280 priv->real_dev = real_dev; 281 282 priv->stats64 = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); 283 if (!priv->stats64) { 284 err = -ENOBUFS; 285 goto out_free_newdev; 286 } 287 288 err = register_netdevice(new_dev); 289 if (err < 0) 290 goto out_free_newdev; 291 292 /* Account for reference in struct qmimux_priv_priv */ 293 dev_hold(real_dev); 294 295 err = netdev_upper_dev_link(real_dev, new_dev, NULL); 296 if (err) 297 goto out_unregister_netdev; 298 299 netif_stacked_transfer_operstate(real_dev, new_dev); 300 301 return 0; 302 303 out_unregister_netdev: 304 unregister_netdevice(new_dev); 305 dev_put(real_dev); 306 307 out_free_newdev: 308 free_netdev(new_dev); 309 return err; 310 } 311 312 static void qmimux_unregister_device(struct net_device *dev, 313 struct list_head *head) 314 { 315 struct qmimux_priv *priv = netdev_priv(dev); 316 struct net_device *real_dev = priv->real_dev; 317 318 free_percpu(priv->stats64); 319 netdev_upper_dev_unlink(real_dev, dev); 320 unregister_netdevice_queue(dev, head); 321 322 /* Get rid of the reference to real_dev */ 323 dev_put(real_dev); 324 } 325 326 static void qmi_wwan_netdev_setup(struct net_device *net) 327 { 328 struct usbnet *dev = netdev_priv(net); 329 struct qmi_wwan_state *info = (void *)&dev->data; 330 331 if (info->flags & QMI_WWAN_FLAG_RAWIP) { 332 net->header_ops = NULL; /* No header */ 333 net->type = ARPHRD_NONE; 334 net->hard_header_len = 0; 335 net->addr_len = 0; 336 net->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 337 set_bit(EVENT_NO_IP_ALIGN, &dev->flags); 338 netdev_dbg(net, "mode: raw IP\n"); 339 } else if (!net->header_ops) { /* don't bother if already set */ 340 ether_setup(net); 341 clear_bit(EVENT_NO_IP_ALIGN, &dev->flags); 342 netdev_dbg(net, "mode: Ethernet\n"); 343 } 344 345 /* recalculate buffers after changing hard_header_len */ 346 usbnet_change_mtu(net, net->mtu); 347 } 348 349 static ssize_t raw_ip_show(struct device *d, struct device_attribute *attr, char *buf) 350 { 351 struct usbnet *dev = netdev_priv(to_net_dev(d)); 352 struct qmi_wwan_state *info = (void *)&dev->data; 353 354 return sprintf(buf, "%c\n", info->flags & QMI_WWAN_FLAG_RAWIP ? 'Y' : 'N'); 355 } 356 357 static ssize_t raw_ip_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 358 { 359 struct usbnet *dev = netdev_priv(to_net_dev(d)); 360 struct qmi_wwan_state *info = (void *)&dev->data; 361 bool enable; 362 int ret; 363 364 if (strtobool(buf, &enable)) 365 return -EINVAL; 366 367 /* no change? */ 368 if (enable == (info->flags & QMI_WWAN_FLAG_RAWIP)) 369 return len; 370 371 if (!rtnl_trylock()) 372 return restart_syscall(); 373 374 /* we don't want to modify a running netdev */ 375 if (netif_running(dev->net)) { 376 netdev_err(dev->net, "Cannot change a running device\n"); 377 ret = -EBUSY; 378 goto err; 379 } 380 381 /* let other drivers deny the change */ 382 ret = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev->net); 383 ret = notifier_to_errno(ret); 384 if (ret) { 385 netdev_err(dev->net, "Type change was refused\n"); 386 goto err; 387 } 388 389 if (enable) 390 info->flags |= QMI_WWAN_FLAG_RAWIP; 391 else 392 info->flags &= ~QMI_WWAN_FLAG_RAWIP; 393 qmi_wwan_netdev_setup(dev->net); 394 call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev->net); 395 ret = len; 396 err: 397 rtnl_unlock(); 398 return ret; 399 } 400 401 static ssize_t add_mux_show(struct device *d, struct device_attribute *attr, char *buf) 402 { 403 struct net_device *dev = to_net_dev(d); 404 struct qmimux_priv *priv; 405 struct list_head *iter; 406 struct net_device *ldev; 407 ssize_t count = 0; 408 409 rcu_read_lock(); 410 netdev_for_each_upper_dev_rcu(dev, ldev, iter) { 411 priv = netdev_priv(ldev); 412 count += scnprintf(&buf[count], PAGE_SIZE - count, 413 "0x%02x\n", priv->mux_id); 414 } 415 rcu_read_unlock(); 416 return count; 417 } 418 419 static ssize_t add_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 420 { 421 struct usbnet *dev = netdev_priv(to_net_dev(d)); 422 struct qmi_wwan_state *info = (void *)&dev->data; 423 u8 mux_id; 424 int ret; 425 426 if (kstrtou8(buf, 0, &mux_id)) 427 return -EINVAL; 428 429 /* mux_id [1 - 254] for compatibility with ip(8) and the rmnet driver */ 430 if (mux_id < 1 || mux_id > 254) 431 return -EINVAL; 432 433 if (!rtnl_trylock()) 434 return restart_syscall(); 435 436 if (qmimux_find_dev(dev, mux_id)) { 437 netdev_err(dev->net, "mux_id already present\n"); 438 ret = -EINVAL; 439 goto err; 440 } 441 442 /* we don't want to modify a running netdev */ 443 if (netif_running(dev->net)) { 444 netdev_err(dev->net, "Cannot change a running device\n"); 445 ret = -EBUSY; 446 goto err; 447 } 448 449 ret = qmimux_register_device(dev->net, mux_id); 450 if (!ret) { 451 info->flags |= QMI_WWAN_FLAG_MUX; 452 ret = len; 453 } 454 err: 455 rtnl_unlock(); 456 return ret; 457 } 458 459 static ssize_t del_mux_show(struct device *d, struct device_attribute *attr, char *buf) 460 { 461 return add_mux_show(d, attr, buf); 462 } 463 464 static ssize_t del_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 465 { 466 struct usbnet *dev = netdev_priv(to_net_dev(d)); 467 struct qmi_wwan_state *info = (void *)&dev->data; 468 struct net_device *del_dev; 469 u8 mux_id; 470 int ret = 0; 471 472 if (kstrtou8(buf, 0, &mux_id)) 473 return -EINVAL; 474 475 if (!rtnl_trylock()) 476 return restart_syscall(); 477 478 /* we don't want to modify a running netdev */ 479 if (netif_running(dev->net)) { 480 netdev_err(dev->net, "Cannot change a running device\n"); 481 ret = -EBUSY; 482 goto err; 483 } 484 485 del_dev = qmimux_find_dev(dev, mux_id); 486 if (!del_dev) { 487 netdev_err(dev->net, "mux_id not present\n"); 488 ret = -EINVAL; 489 goto err; 490 } 491 qmimux_unregister_device(del_dev, NULL); 492 493 if (!qmimux_has_slaves(dev)) 494 info->flags &= ~QMI_WWAN_FLAG_MUX; 495 ret = len; 496 err: 497 rtnl_unlock(); 498 return ret; 499 } 500 501 static DEVICE_ATTR_RW(raw_ip); 502 static DEVICE_ATTR_RW(add_mux); 503 static DEVICE_ATTR_RW(del_mux); 504 505 static struct attribute *qmi_wwan_sysfs_attrs[] = { 506 &dev_attr_raw_ip.attr, 507 &dev_attr_add_mux.attr, 508 &dev_attr_del_mux.attr, 509 NULL, 510 }; 511 512 static struct attribute_group qmi_wwan_sysfs_attr_group = { 513 .name = "qmi", 514 .attrs = qmi_wwan_sysfs_attrs, 515 }; 516 517 /* default ethernet address used by the modem */ 518 static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3}; 519 520 static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00}; 521 522 /* Make up an ethernet header if the packet doesn't have one. 523 * 524 * A firmware bug common among several devices cause them to send raw 525 * IP packets under some circumstances. There is no way for the 526 * driver/host to know when this will happen. And even when the bug 527 * hits, some packets will still arrive with an intact header. 528 * 529 * The supported devices are only capably of sending IPv4, IPv6 and 530 * ARP packets on a point-to-point link. Any packet with an ethernet 531 * header will have either our address or a broadcast/multicast 532 * address as destination. ARP packets will always have a header. 533 * 534 * This means that this function will reliably add the appropriate 535 * header iff necessary, provided our hardware address does not start 536 * with 4 or 6. 537 * 538 * Another common firmware bug results in all packets being addressed 539 * to 00:a0:c6:00:00:00 despite the host address being different. 540 * This function will also fixup such packets. 541 */ 542 static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 543 { 544 struct qmi_wwan_state *info = (void *)&dev->data; 545 bool rawip = info->flags & QMI_WWAN_FLAG_RAWIP; 546 __be16 proto; 547 548 /* This check is no longer done by usbnet */ 549 if (skb->len < dev->net->hard_header_len) 550 return 0; 551 552 if (info->flags & QMI_WWAN_FLAG_MUX) 553 return qmimux_rx_fixup(dev, skb); 554 555 switch (skb->data[0] & 0xf0) { 556 case 0x40: 557 proto = htons(ETH_P_IP); 558 break; 559 case 0x60: 560 proto = htons(ETH_P_IPV6); 561 break; 562 case 0x00: 563 if (rawip) 564 return 0; 565 if (is_multicast_ether_addr(skb->data)) 566 return 1; 567 /* possibly bogus destination - rewrite just in case */ 568 skb_reset_mac_header(skb); 569 goto fix_dest; 570 default: 571 if (rawip) 572 return 0; 573 /* pass along other packets without modifications */ 574 return 1; 575 } 576 if (rawip) { 577 skb_reset_mac_header(skb); 578 skb->dev = dev->net; /* normally set by eth_type_trans */ 579 skb->protocol = proto; 580 return 1; 581 } 582 583 if (skb_headroom(skb) < ETH_HLEN) 584 return 0; 585 skb_push(skb, ETH_HLEN); 586 skb_reset_mac_header(skb); 587 eth_hdr(skb)->h_proto = proto; 588 eth_zero_addr(eth_hdr(skb)->h_source); 589 fix_dest: 590 memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN); 591 return 1; 592 } 593 594 /* very simplistic detection of IPv4 or IPv6 headers */ 595 static bool possibly_iphdr(const char *data) 596 { 597 return (data[0] & 0xd0) == 0x40; 598 } 599 600 /* disallow addresses which may be confused with IP headers */ 601 static int qmi_wwan_mac_addr(struct net_device *dev, void *p) 602 { 603 int ret; 604 struct sockaddr *addr = p; 605 606 ret = eth_prepare_mac_addr_change(dev, p); 607 if (ret < 0) 608 return ret; 609 if (possibly_iphdr(addr->sa_data)) 610 return -EADDRNOTAVAIL; 611 eth_commit_mac_addr_change(dev, p); 612 return 0; 613 } 614 615 static const struct net_device_ops qmi_wwan_netdev_ops = { 616 .ndo_open = usbnet_open, 617 .ndo_stop = usbnet_stop, 618 .ndo_start_xmit = usbnet_start_xmit, 619 .ndo_tx_timeout = usbnet_tx_timeout, 620 .ndo_change_mtu = usbnet_change_mtu, 621 .ndo_get_stats64 = usbnet_get_stats64, 622 .ndo_set_mac_address = qmi_wwan_mac_addr, 623 .ndo_validate_addr = eth_validate_addr, 624 }; 625 626 /* using a counter to merge subdriver requests with our own into a 627 * combined state 628 */ 629 static int qmi_wwan_manage_power(struct usbnet *dev, int on) 630 { 631 struct qmi_wwan_state *info = (void *)&dev->data; 632 int rv; 633 634 dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__, 635 atomic_read(&info->pmcount), on); 636 637 if ((on && atomic_add_return(1, &info->pmcount) == 1) || 638 (!on && atomic_dec_and_test(&info->pmcount))) { 639 /* need autopm_get/put here to ensure the usbcore sees 640 * the new value 641 */ 642 rv = usb_autopm_get_interface(dev->intf); 643 dev->intf->needs_remote_wakeup = on; 644 if (!rv) 645 usb_autopm_put_interface(dev->intf); 646 } 647 return 0; 648 } 649 650 static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on) 651 { 652 struct usbnet *dev = usb_get_intfdata(intf); 653 654 /* can be called while disconnecting */ 655 if (!dev) 656 return 0; 657 return qmi_wwan_manage_power(dev, on); 658 } 659 660 /* collect all three endpoints and register subdriver */ 661 static int qmi_wwan_register_subdriver(struct usbnet *dev) 662 { 663 int rv; 664 struct usb_driver *subdriver = NULL; 665 struct qmi_wwan_state *info = (void *)&dev->data; 666 667 /* collect bulk endpoints */ 668 rv = usbnet_get_endpoints(dev, info->data); 669 if (rv < 0) 670 goto err; 671 672 /* update status endpoint if separate control interface */ 673 if (info->control != info->data) 674 dev->status = &info->control->cur_altsetting->endpoint[0]; 675 676 /* require interrupt endpoint for subdriver */ 677 if (!dev->status) { 678 rv = -EINVAL; 679 goto err; 680 } 681 682 /* for subdriver power management */ 683 atomic_set(&info->pmcount, 0); 684 685 /* register subdriver */ 686 subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc, 687 4096, &qmi_wwan_cdc_wdm_manage_power); 688 if (IS_ERR(subdriver)) { 689 dev_err(&info->control->dev, "subdriver registration failed\n"); 690 rv = PTR_ERR(subdriver); 691 goto err; 692 } 693 694 /* prevent usbnet from using status endpoint */ 695 dev->status = NULL; 696 697 /* save subdriver struct for suspend/resume wrappers */ 698 info->subdriver = subdriver; 699 700 err: 701 return rv; 702 } 703 704 /* Send CDC SetControlLineState request, setting or clearing the DTR. 705 * "Required for Autoconnect and 9x30 to wake up" according to the 706 * GobiNet driver. The requirement has been verified on an MDM9230 707 * based Sierra Wireless MC7455 708 */ 709 static int qmi_wwan_change_dtr(struct usbnet *dev, bool on) 710 { 711 u8 intf = dev->intf->cur_altsetting->desc.bInterfaceNumber; 712 713 return usbnet_write_cmd(dev, USB_CDC_REQ_SET_CONTROL_LINE_STATE, 714 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 715 on ? 0x01 : 0x00, intf, NULL, 0); 716 } 717 718 static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) 719 { 720 int status = -1; 721 u8 *buf = intf->cur_altsetting->extra; 722 int len = intf->cur_altsetting->extralen; 723 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 724 struct usb_cdc_union_desc *cdc_union; 725 struct usb_cdc_ether_desc *cdc_ether; 726 struct usb_driver *driver = driver_of(intf); 727 struct qmi_wwan_state *info = (void *)&dev->data; 728 struct usb_cdc_parsed_header hdr; 729 730 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) < 731 sizeof(struct qmi_wwan_state))); 732 733 /* set up initial state */ 734 info->control = intf; 735 info->data = intf; 736 737 /* and a number of CDC descriptors */ 738 cdc_parse_cdc_header(&hdr, intf, buf, len); 739 cdc_union = hdr.usb_cdc_union_desc; 740 cdc_ether = hdr.usb_cdc_ether_desc; 741 742 /* Use separate control and data interfaces if we found a CDC Union */ 743 if (cdc_union) { 744 info->data = usb_ifnum_to_if(dev->udev, 745 cdc_union->bSlaveInterface0); 746 if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 || 747 !info->data) { 748 dev_err(&intf->dev, 749 "bogus CDC Union: master=%u, slave=%u\n", 750 cdc_union->bMasterInterface0, 751 cdc_union->bSlaveInterface0); 752 753 /* ignore and continue... */ 754 cdc_union = NULL; 755 info->data = intf; 756 } 757 } 758 759 /* errors aren't fatal - we can live with the dynamic address */ 760 if (cdc_ether && cdc_ether->wMaxSegmentSize) { 761 dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize); 762 usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress); 763 } 764 765 /* claim data interface and set it up */ 766 if (info->control != info->data) { 767 status = usb_driver_claim_interface(driver, info->data, dev); 768 if (status < 0) 769 goto err; 770 } 771 772 status = qmi_wwan_register_subdriver(dev); 773 if (status < 0 && info->control != info->data) { 774 usb_set_intfdata(info->data, NULL); 775 usb_driver_release_interface(driver, info->data); 776 } 777 778 /* disabling remote wakeup on MDM9x30 devices has the same 779 * effect as clearing DTR. The device will not respond to QMI 780 * requests until we set DTR again. This is similar to a 781 * QMI_CTL SYNC request, clearing a lot of firmware state 782 * including the client ID allocations. 783 * 784 * Our usage model allows a session to span multiple 785 * open/close events, so we must prevent the firmware from 786 * clearing out state the clients might need. 787 * 788 * MDM9x30 is the first QMI chipset with USB3 support. Abuse 789 * this fact to enable the quirk for all USB3 devices. 790 * 791 * There are also chipsets with the same "set DTR" requirement 792 * but without USB3 support. Devices based on these chips 793 * need a quirk flag in the device ID table. 794 */ 795 if (dev->driver_info->data & QMI_WWAN_QUIRK_DTR || 796 le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 797 qmi_wwan_manage_power(dev, 1); 798 qmi_wwan_change_dtr(dev, true); 799 } 800 801 /* Never use the same address on both ends of the link, even if the 802 * buggy firmware told us to. Or, if device is assigned the well-known 803 * buggy firmware MAC address, replace it with a random address, 804 */ 805 if (ether_addr_equal(dev->net->dev_addr, default_modem_addr) || 806 ether_addr_equal(dev->net->dev_addr, buggy_fw_addr)) 807 eth_hw_addr_random(dev->net); 808 809 /* make MAC addr easily distinguishable from an IP header */ 810 if (possibly_iphdr(dev->net->dev_addr)) { 811 dev->net->dev_addr[0] |= 0x02; /* set local assignment bit */ 812 dev->net->dev_addr[0] &= 0xbf; /* clear "IP" bit */ 813 } 814 dev->net->netdev_ops = &qmi_wwan_netdev_ops; 815 dev->net->sysfs_groups[0] = &qmi_wwan_sysfs_attr_group; 816 err: 817 return status; 818 } 819 820 static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf) 821 { 822 struct qmi_wwan_state *info = (void *)&dev->data; 823 struct usb_driver *driver = driver_of(intf); 824 struct usb_interface *other; 825 826 if (info->subdriver && info->subdriver->disconnect) 827 info->subdriver->disconnect(info->control); 828 829 /* disable MDM9x30 quirk */ 830 if (le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 831 qmi_wwan_change_dtr(dev, false); 832 qmi_wwan_manage_power(dev, 0); 833 } 834 835 /* allow user to unbind using either control or data */ 836 if (intf == info->control) 837 other = info->data; 838 else 839 other = info->control; 840 841 /* only if not shared */ 842 if (other && intf != other) { 843 usb_set_intfdata(other, NULL); 844 usb_driver_release_interface(driver, other); 845 } 846 847 info->subdriver = NULL; 848 info->data = NULL; 849 info->control = NULL; 850 } 851 852 /* suspend/resume wrappers calling both usbnet and the cdc-wdm 853 * subdriver if present. 854 * 855 * NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide 856 * wrappers for those without adding usbnet reset support first. 857 */ 858 static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message) 859 { 860 struct usbnet *dev = usb_get_intfdata(intf); 861 struct qmi_wwan_state *info = (void *)&dev->data; 862 int ret; 863 864 /* Both usbnet_suspend() and subdriver->suspend() MUST return 0 865 * in system sleep context, otherwise, the resume callback has 866 * to recover device from previous suspend failure. 867 */ 868 ret = usbnet_suspend(intf, message); 869 if (ret < 0) 870 goto err; 871 872 if (intf == info->control && info->subdriver && 873 info->subdriver->suspend) 874 ret = info->subdriver->suspend(intf, message); 875 if (ret < 0) 876 usbnet_resume(intf); 877 err: 878 return ret; 879 } 880 881 static int qmi_wwan_resume(struct usb_interface *intf) 882 { 883 struct usbnet *dev = usb_get_intfdata(intf); 884 struct qmi_wwan_state *info = (void *)&dev->data; 885 int ret = 0; 886 bool callsub = (intf == info->control && info->subdriver && 887 info->subdriver->resume); 888 889 if (callsub) 890 ret = info->subdriver->resume(intf); 891 if (ret < 0) 892 goto err; 893 ret = usbnet_resume(intf); 894 if (ret < 0 && callsub) 895 info->subdriver->suspend(intf, PMSG_SUSPEND); 896 err: 897 return ret; 898 } 899 900 static const struct driver_info qmi_wwan_info = { 901 .description = "WWAN/QMI device", 902 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 903 .bind = qmi_wwan_bind, 904 .unbind = qmi_wwan_unbind, 905 .manage_power = qmi_wwan_manage_power, 906 .rx_fixup = qmi_wwan_rx_fixup, 907 }; 908 909 static const struct driver_info qmi_wwan_info_quirk_dtr = { 910 .description = "WWAN/QMI device", 911 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 912 .bind = qmi_wwan_bind, 913 .unbind = qmi_wwan_unbind, 914 .manage_power = qmi_wwan_manage_power, 915 .rx_fixup = qmi_wwan_rx_fixup, 916 .data = QMI_WWAN_QUIRK_DTR, 917 }; 918 919 static const struct driver_info qmi_wwan_info_quirk_quectel_dyncfg = { 920 .description = "WWAN/QMI device", 921 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 922 .bind = qmi_wwan_bind, 923 .unbind = qmi_wwan_unbind, 924 .manage_power = qmi_wwan_manage_power, 925 .rx_fixup = qmi_wwan_rx_fixup, 926 .data = QMI_WWAN_QUIRK_DTR | QMI_WWAN_QUIRK_QUECTEL_DYNCFG, 927 }; 928 929 #define HUAWEI_VENDOR_ID 0x12D1 930 931 /* map QMI/wwan function by a fixed interface number */ 932 #define QMI_FIXED_INTF(vend, prod, num) \ 933 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 934 .driver_info = (unsigned long)&qmi_wwan_info 935 936 /* devices requiring "set DTR" quirk */ 937 #define QMI_QUIRK_SET_DTR(vend, prod, num) \ 938 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 939 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 940 941 /* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */ 942 #define QMI_GOBI1K_DEVICE(vend, prod) \ 943 QMI_FIXED_INTF(vend, prod, 3) 944 945 /* Gobi 2000/3000 QMI/wwan interface number is 0 according to qcserial */ 946 #define QMI_GOBI_DEVICE(vend, prod) \ 947 QMI_FIXED_INTF(vend, prod, 0) 948 949 /* Quectel does not use fixed interface numbers on at least some of their 950 * devices. We need to check the number of endpoints to ensure that we bind to 951 * the correct interface. 952 */ 953 #define QMI_QUIRK_QUECTEL_DYNCFG(vend, prod) \ 954 USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_VENDOR_SPEC, \ 955 USB_SUBCLASS_VENDOR_SPEC, 0xff), \ 956 .driver_info = (unsigned long)&qmi_wwan_info_quirk_quectel_dyncfg 957 958 static const struct usb_device_id products[] = { 959 /* 1. CDC ECM like devices match on the control interface */ 960 { /* Huawei E392, E398 and possibly others sharing both device id and more... */ 961 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 9), 962 .driver_info = (unsigned long)&qmi_wwan_info, 963 }, 964 { /* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */ 965 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 57), 966 .driver_info = (unsigned long)&qmi_wwan_info, 967 }, 968 { /* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */ 969 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69), 970 .driver_info = (unsigned long)&qmi_wwan_info, 971 }, 972 { /* Motorola Mapphone devices with MDM6600 */ 973 USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC, 0xfb, 0xff), 974 .driver_info = (unsigned long)&qmi_wwan_info, 975 }, 976 977 /* 2. Combined interface devices matching on class+protocol */ 978 { /* Huawei E367 and possibly others in "Windows mode" */ 979 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7), 980 .driver_info = (unsigned long)&qmi_wwan_info, 981 }, 982 { /* Huawei E392, E398 and possibly others in "Windows mode" */ 983 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17), 984 .driver_info = (unsigned long)&qmi_wwan_info, 985 }, 986 { /* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */ 987 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x37), 988 .driver_info = (unsigned long)&qmi_wwan_info, 989 }, 990 { /* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */ 991 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x67), 992 .driver_info = (unsigned long)&qmi_wwan_info, 993 }, 994 { /* Pantech UML290, P4200 and more */ 995 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff), 996 .driver_info = (unsigned long)&qmi_wwan_info, 997 }, 998 { /* Pantech UML290 - newer firmware */ 999 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff), 1000 .driver_info = (unsigned long)&qmi_wwan_info, 1001 }, 1002 { /* Novatel USB551L and MC551 */ 1003 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001, 1004 USB_CLASS_COMM, 1005 USB_CDC_SUBCLASS_ETHERNET, 1006 USB_CDC_PROTO_NONE), 1007 .driver_info = (unsigned long)&qmi_wwan_info, 1008 }, 1009 { /* Novatel E362 */ 1010 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010, 1011 USB_CLASS_COMM, 1012 USB_CDC_SUBCLASS_ETHERNET, 1013 USB_CDC_PROTO_NONE), 1014 .driver_info = (unsigned long)&qmi_wwan_info, 1015 }, 1016 { /* Novatel Expedite E371 */ 1017 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9011, 1018 USB_CLASS_COMM, 1019 USB_CDC_SUBCLASS_ETHERNET, 1020 USB_CDC_PROTO_NONE), 1021 .driver_info = (unsigned long)&qmi_wwan_info, 1022 }, 1023 { /* Dell Wireless 5800 (Novatel E362) */ 1024 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195, 1025 USB_CLASS_COMM, 1026 USB_CDC_SUBCLASS_ETHERNET, 1027 USB_CDC_PROTO_NONE), 1028 .driver_info = (unsigned long)&qmi_wwan_info, 1029 }, 1030 { /* Dell Wireless 5800 V2 (Novatel E362) */ 1031 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196, 1032 USB_CLASS_COMM, 1033 USB_CDC_SUBCLASS_ETHERNET, 1034 USB_CDC_PROTO_NONE), 1035 .driver_info = (unsigned long)&qmi_wwan_info, 1036 }, 1037 { /* Dell Wireless 5804 (Novatel E371) */ 1038 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b, 1039 USB_CLASS_COMM, 1040 USB_CDC_SUBCLASS_ETHERNET, 1041 USB_CDC_PROTO_NONE), 1042 .driver_info = (unsigned long)&qmi_wwan_info, 1043 }, 1044 { /* ADU960S */ 1045 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, 1046 USB_CLASS_COMM, 1047 USB_CDC_SUBCLASS_ETHERNET, 1048 USB_CDC_PROTO_NONE), 1049 .driver_info = (unsigned long)&qmi_wwan_info, 1050 }, 1051 { /* HP lt2523 (Novatel E371) */ 1052 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 1053 USB_CLASS_COMM, 1054 USB_CDC_SUBCLASS_ETHERNET, 1055 USB_CDC_PROTO_NONE), 1056 .driver_info = (unsigned long)&qmi_wwan_info, 1057 }, 1058 { /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */ 1059 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7), 1060 .driver_info = (unsigned long)&qmi_wwan_info, 1061 }, 1062 {QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ 1063 {QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */ 1064 {QMI_QUIRK_QUECTEL_DYNCFG(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */ 1065 1066 /* 3. Combined interface devices matching on interface number */ 1067 {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */ 1068 {QMI_FIXED_INTF(0x05c6, 0x6001, 3)}, /* 4G LTE usb-modem U901 */ 1069 {QMI_FIXED_INTF(0x05c6, 0x7000, 0)}, 1070 {QMI_FIXED_INTF(0x05c6, 0x7001, 1)}, 1071 {QMI_FIXED_INTF(0x05c6, 0x7002, 1)}, 1072 {QMI_FIXED_INTF(0x05c6, 0x7101, 1)}, 1073 {QMI_FIXED_INTF(0x05c6, 0x7101, 2)}, 1074 {QMI_FIXED_INTF(0x05c6, 0x7101, 3)}, 1075 {QMI_FIXED_INTF(0x05c6, 0x7102, 1)}, 1076 {QMI_FIXED_INTF(0x05c6, 0x7102, 2)}, 1077 {QMI_FIXED_INTF(0x05c6, 0x7102, 3)}, 1078 {QMI_FIXED_INTF(0x05c6, 0x8000, 7)}, 1079 {QMI_FIXED_INTF(0x05c6, 0x8001, 6)}, 1080 {QMI_FIXED_INTF(0x05c6, 0x9000, 4)}, 1081 {QMI_FIXED_INTF(0x05c6, 0x9003, 4)}, 1082 {QMI_FIXED_INTF(0x05c6, 0x9005, 2)}, 1083 {QMI_FIXED_INTF(0x05c6, 0x900a, 4)}, 1084 {QMI_FIXED_INTF(0x05c6, 0x900b, 2)}, 1085 {QMI_FIXED_INTF(0x05c6, 0x900c, 4)}, 1086 {QMI_FIXED_INTF(0x05c6, 0x900c, 5)}, 1087 {QMI_FIXED_INTF(0x05c6, 0x900c, 6)}, 1088 {QMI_FIXED_INTF(0x05c6, 0x900d, 5)}, 1089 {QMI_FIXED_INTF(0x05c6, 0x900f, 3)}, 1090 {QMI_FIXED_INTF(0x05c6, 0x900f, 4)}, 1091 {QMI_FIXED_INTF(0x05c6, 0x900f, 5)}, 1092 {QMI_FIXED_INTF(0x05c6, 0x9010, 4)}, 1093 {QMI_FIXED_INTF(0x05c6, 0x9010, 5)}, 1094 {QMI_FIXED_INTF(0x05c6, 0x9011, 3)}, 1095 {QMI_FIXED_INTF(0x05c6, 0x9011, 4)}, 1096 {QMI_FIXED_INTF(0x05c6, 0x9021, 1)}, 1097 {QMI_FIXED_INTF(0x05c6, 0x9022, 2)}, 1098 {QMI_FIXED_INTF(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD LTE (China Mobile) */ 1099 {QMI_FIXED_INTF(0x05c6, 0x9026, 3)}, 1100 {QMI_FIXED_INTF(0x05c6, 0x902e, 5)}, 1101 {QMI_FIXED_INTF(0x05c6, 0x9031, 5)}, 1102 {QMI_FIXED_INTF(0x05c6, 0x9032, 4)}, 1103 {QMI_FIXED_INTF(0x05c6, 0x9033, 3)}, 1104 {QMI_FIXED_INTF(0x05c6, 0x9033, 4)}, 1105 {QMI_FIXED_INTF(0x05c6, 0x9033, 5)}, 1106 {QMI_FIXED_INTF(0x05c6, 0x9033, 6)}, 1107 {QMI_FIXED_INTF(0x05c6, 0x9034, 3)}, 1108 {QMI_FIXED_INTF(0x05c6, 0x9034, 4)}, 1109 {QMI_FIXED_INTF(0x05c6, 0x9034, 5)}, 1110 {QMI_FIXED_INTF(0x05c6, 0x9034, 6)}, 1111 {QMI_FIXED_INTF(0x05c6, 0x9034, 7)}, 1112 {QMI_FIXED_INTF(0x05c6, 0x9035, 4)}, 1113 {QMI_FIXED_INTF(0x05c6, 0x9036, 3)}, 1114 {QMI_FIXED_INTF(0x05c6, 0x9037, 5)}, 1115 {QMI_FIXED_INTF(0x05c6, 0x9038, 4)}, 1116 {QMI_FIXED_INTF(0x05c6, 0x903b, 7)}, 1117 {QMI_FIXED_INTF(0x05c6, 0x903c, 6)}, 1118 {QMI_FIXED_INTF(0x05c6, 0x903d, 6)}, 1119 {QMI_FIXED_INTF(0x05c6, 0x903e, 5)}, 1120 {QMI_FIXED_INTF(0x05c6, 0x9043, 3)}, 1121 {QMI_FIXED_INTF(0x05c6, 0x9046, 3)}, 1122 {QMI_FIXED_INTF(0x05c6, 0x9046, 4)}, 1123 {QMI_FIXED_INTF(0x05c6, 0x9046, 5)}, 1124 {QMI_FIXED_INTF(0x05c6, 0x9047, 2)}, 1125 {QMI_FIXED_INTF(0x05c6, 0x9047, 3)}, 1126 {QMI_FIXED_INTF(0x05c6, 0x9047, 4)}, 1127 {QMI_FIXED_INTF(0x05c6, 0x9048, 4)}, 1128 {QMI_FIXED_INTF(0x05c6, 0x9048, 5)}, 1129 {QMI_FIXED_INTF(0x05c6, 0x9048, 6)}, 1130 {QMI_FIXED_INTF(0x05c6, 0x9048, 7)}, 1131 {QMI_FIXED_INTF(0x05c6, 0x9048, 8)}, 1132 {QMI_FIXED_INTF(0x05c6, 0x904c, 5)}, 1133 {QMI_FIXED_INTF(0x05c6, 0x904c, 6)}, 1134 {QMI_FIXED_INTF(0x05c6, 0x904c, 7)}, 1135 {QMI_FIXED_INTF(0x05c6, 0x904c, 8)}, 1136 {QMI_FIXED_INTF(0x05c6, 0x9050, 3)}, 1137 {QMI_FIXED_INTF(0x05c6, 0x9052, 4)}, 1138 {QMI_FIXED_INTF(0x05c6, 0x9053, 6)}, 1139 {QMI_FIXED_INTF(0x05c6, 0x9053, 7)}, 1140 {QMI_FIXED_INTF(0x05c6, 0x9054, 5)}, 1141 {QMI_FIXED_INTF(0x05c6, 0x9054, 6)}, 1142 {QMI_FIXED_INTF(0x05c6, 0x9055, 3)}, 1143 {QMI_FIXED_INTF(0x05c6, 0x9055, 4)}, 1144 {QMI_FIXED_INTF(0x05c6, 0x9055, 5)}, 1145 {QMI_FIXED_INTF(0x05c6, 0x9055, 6)}, 1146 {QMI_FIXED_INTF(0x05c6, 0x9055, 7)}, 1147 {QMI_FIXED_INTF(0x05c6, 0x9056, 3)}, 1148 {QMI_FIXED_INTF(0x05c6, 0x9062, 2)}, 1149 {QMI_FIXED_INTF(0x05c6, 0x9062, 3)}, 1150 {QMI_FIXED_INTF(0x05c6, 0x9062, 4)}, 1151 {QMI_FIXED_INTF(0x05c6, 0x9062, 5)}, 1152 {QMI_FIXED_INTF(0x05c6, 0x9062, 6)}, 1153 {QMI_FIXED_INTF(0x05c6, 0x9062, 7)}, 1154 {QMI_FIXED_INTF(0x05c6, 0x9062, 8)}, 1155 {QMI_FIXED_INTF(0x05c6, 0x9062, 9)}, 1156 {QMI_FIXED_INTF(0x05c6, 0x9064, 3)}, 1157 {QMI_FIXED_INTF(0x05c6, 0x9065, 6)}, 1158 {QMI_FIXED_INTF(0x05c6, 0x9065, 7)}, 1159 {QMI_FIXED_INTF(0x05c6, 0x9066, 5)}, 1160 {QMI_FIXED_INTF(0x05c6, 0x9066, 6)}, 1161 {QMI_FIXED_INTF(0x05c6, 0x9067, 1)}, 1162 {QMI_FIXED_INTF(0x05c6, 0x9068, 2)}, 1163 {QMI_FIXED_INTF(0x05c6, 0x9068, 3)}, 1164 {QMI_FIXED_INTF(0x05c6, 0x9068, 4)}, 1165 {QMI_FIXED_INTF(0x05c6, 0x9068, 5)}, 1166 {QMI_FIXED_INTF(0x05c6, 0x9068, 6)}, 1167 {QMI_FIXED_INTF(0x05c6, 0x9068, 7)}, 1168 {QMI_FIXED_INTF(0x05c6, 0x9069, 5)}, 1169 {QMI_FIXED_INTF(0x05c6, 0x9069, 6)}, 1170 {QMI_FIXED_INTF(0x05c6, 0x9069, 7)}, 1171 {QMI_FIXED_INTF(0x05c6, 0x9069, 8)}, 1172 {QMI_FIXED_INTF(0x05c6, 0x9070, 4)}, 1173 {QMI_FIXED_INTF(0x05c6, 0x9070, 5)}, 1174 {QMI_FIXED_INTF(0x05c6, 0x9075, 5)}, 1175 {QMI_FIXED_INTF(0x05c6, 0x9076, 4)}, 1176 {QMI_FIXED_INTF(0x05c6, 0x9076, 5)}, 1177 {QMI_FIXED_INTF(0x05c6, 0x9076, 6)}, 1178 {QMI_FIXED_INTF(0x05c6, 0x9076, 7)}, 1179 {QMI_FIXED_INTF(0x05c6, 0x9076, 8)}, 1180 {QMI_FIXED_INTF(0x05c6, 0x9077, 3)}, 1181 {QMI_FIXED_INTF(0x05c6, 0x9077, 4)}, 1182 {QMI_FIXED_INTF(0x05c6, 0x9077, 5)}, 1183 {QMI_FIXED_INTF(0x05c6, 0x9077, 6)}, 1184 {QMI_FIXED_INTF(0x05c6, 0x9078, 3)}, 1185 {QMI_FIXED_INTF(0x05c6, 0x9079, 4)}, 1186 {QMI_FIXED_INTF(0x05c6, 0x9079, 5)}, 1187 {QMI_FIXED_INTF(0x05c6, 0x9079, 6)}, 1188 {QMI_FIXED_INTF(0x05c6, 0x9079, 7)}, 1189 {QMI_FIXED_INTF(0x05c6, 0x9079, 8)}, 1190 {QMI_FIXED_INTF(0x05c6, 0x9080, 5)}, 1191 {QMI_FIXED_INTF(0x05c6, 0x9080, 6)}, 1192 {QMI_FIXED_INTF(0x05c6, 0x9080, 7)}, 1193 {QMI_FIXED_INTF(0x05c6, 0x9080, 8)}, 1194 {QMI_FIXED_INTF(0x05c6, 0x9083, 3)}, 1195 {QMI_FIXED_INTF(0x05c6, 0x9084, 4)}, 1196 {QMI_FIXED_INTF(0x05c6, 0x90b2, 3)}, /* ublox R410M */ 1197 {QMI_FIXED_INTF(0x05c6, 0x920d, 0)}, 1198 {QMI_FIXED_INTF(0x05c6, 0x920d, 5)}, 1199 {QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)}, /* YUGA CLM920-NC5 */ 1200 {QMI_FIXED_INTF(0x0846, 0x68a2, 8)}, 1201 {QMI_FIXED_INTF(0x0846, 0x68d3, 8)}, /* Netgear Aircard 779S */ 1202 {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ 1203 {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */ 1204 {QMI_FIXED_INTF(0x1435, 0x0918, 3)}, /* Wistron NeWeb D16Q1 */ 1205 {QMI_FIXED_INTF(0x1435, 0x0918, 4)}, /* Wistron NeWeb D16Q1 */ 1206 {QMI_FIXED_INTF(0x1435, 0x0918, 5)}, /* Wistron NeWeb D16Q1 */ 1207 {QMI_FIXED_INTF(0x1435, 0x3185, 4)}, /* Wistron NeWeb M18Q5 */ 1208 {QMI_FIXED_INTF(0x1435, 0xd111, 4)}, /* M9615A DM11-1 D51QC */ 1209 {QMI_FIXED_INTF(0x1435, 0xd181, 3)}, /* Wistron NeWeb D18Q1 */ 1210 {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */ 1211 {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */ 1212 {QMI_FIXED_INTF(0x1435, 0xd182, 4)}, /* Wistron NeWeb D18 */ 1213 {QMI_FIXED_INTF(0x1435, 0xd182, 5)}, /* Wistron NeWeb D18 */ 1214 {QMI_FIXED_INTF(0x1435, 0xd191, 4)}, /* Wistron NeWeb D19Q1 */ 1215 {QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)}, /* Fibocom NL668 series */ 1216 {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ 1217 {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */ 1218 {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */ 1219 {QMI_FIXED_INTF(0x16d8, 0x6280, 0)}, /* CMOTech CHU-628 */ 1220 {QMI_FIXED_INTF(0x16d8, 0x7001, 0)}, /* CMOTech CHU-720S */ 1221 {QMI_FIXED_INTF(0x16d8, 0x7002, 0)}, /* CMOTech 7002 */ 1222 {QMI_FIXED_INTF(0x16d8, 0x7003, 4)}, /* CMOTech CHU-629K */ 1223 {QMI_FIXED_INTF(0x16d8, 0x7004, 3)}, /* CMOTech 7004 */ 1224 {QMI_FIXED_INTF(0x16d8, 0x7006, 5)}, /* CMOTech CGU-629 */ 1225 {QMI_FIXED_INTF(0x16d8, 0x700a, 4)}, /* CMOTech CHU-629S */ 1226 {QMI_FIXED_INTF(0x16d8, 0x7211, 0)}, /* CMOTech CHU-720I */ 1227 {QMI_FIXED_INTF(0x16d8, 0x7212, 0)}, /* CMOTech 7212 */ 1228 {QMI_FIXED_INTF(0x16d8, 0x7213, 0)}, /* CMOTech 7213 */ 1229 {QMI_FIXED_INTF(0x16d8, 0x7251, 1)}, /* CMOTech 7251 */ 1230 {QMI_FIXED_INTF(0x16d8, 0x7252, 1)}, /* CMOTech 7252 */ 1231 {QMI_FIXED_INTF(0x16d8, 0x7253, 1)}, /* CMOTech 7253 */ 1232 {QMI_FIXED_INTF(0x19d2, 0x0002, 1)}, 1233 {QMI_FIXED_INTF(0x19d2, 0x0012, 1)}, 1234 {QMI_FIXED_INTF(0x19d2, 0x0017, 3)}, 1235 {QMI_FIXED_INTF(0x19d2, 0x0019, 3)}, /* ONDA MT689DC */ 1236 {QMI_FIXED_INTF(0x19d2, 0x0021, 4)}, 1237 {QMI_FIXED_INTF(0x19d2, 0x0025, 1)}, 1238 {QMI_FIXED_INTF(0x19d2, 0x0031, 4)}, 1239 {QMI_FIXED_INTF(0x19d2, 0x0042, 4)}, 1240 {QMI_FIXED_INTF(0x19d2, 0x0049, 5)}, 1241 {QMI_FIXED_INTF(0x19d2, 0x0052, 4)}, 1242 {QMI_FIXED_INTF(0x19d2, 0x0055, 1)}, /* ZTE (Vodafone) K3520-Z */ 1243 {QMI_FIXED_INTF(0x19d2, 0x0058, 4)}, 1244 {QMI_FIXED_INTF(0x19d2, 0x0063, 4)}, /* ZTE (Vodafone) K3565-Z */ 1245 {QMI_FIXED_INTF(0x19d2, 0x0104, 4)}, /* ZTE (Vodafone) K4505-Z */ 1246 {QMI_FIXED_INTF(0x19d2, 0x0113, 5)}, 1247 {QMI_FIXED_INTF(0x19d2, 0x0118, 5)}, 1248 {QMI_FIXED_INTF(0x19d2, 0x0121, 5)}, 1249 {QMI_FIXED_INTF(0x19d2, 0x0123, 4)}, 1250 {QMI_FIXED_INTF(0x19d2, 0x0124, 5)}, 1251 {QMI_FIXED_INTF(0x19d2, 0x0125, 6)}, 1252 {QMI_FIXED_INTF(0x19d2, 0x0126, 5)}, 1253 {QMI_FIXED_INTF(0x19d2, 0x0130, 1)}, 1254 {QMI_FIXED_INTF(0x19d2, 0x0133, 3)}, 1255 {QMI_FIXED_INTF(0x19d2, 0x0141, 5)}, 1256 {QMI_FIXED_INTF(0x19d2, 0x0157, 5)}, /* ZTE MF683 */ 1257 {QMI_FIXED_INTF(0x19d2, 0x0158, 3)}, 1258 {QMI_FIXED_INTF(0x19d2, 0x0167, 4)}, /* ZTE MF820D */ 1259 {QMI_FIXED_INTF(0x19d2, 0x0168, 4)}, 1260 {QMI_FIXED_INTF(0x19d2, 0x0176, 3)}, 1261 {QMI_FIXED_INTF(0x19d2, 0x0178, 3)}, 1262 {QMI_FIXED_INTF(0x19d2, 0x0191, 4)}, /* ZTE EuFi890 */ 1263 {QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */ 1264 {QMI_FIXED_INTF(0x19d2, 0x0200, 1)}, 1265 {QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */ 1266 {QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */ 1267 {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */ 1268 {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */ 1269 {QMI_FIXED_INTF(0x19d2, 0x0396, 3)}, /* ZTE ZM8620 */ 1270 {QMI_FIXED_INTF(0x19d2, 0x0412, 4)}, /* Telewell TW-LTE 4G */ 1271 {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */ 1272 {QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */ 1273 {QMI_FIXED_INTF(0x19d2, 0x1012, 4)}, 1274 {QMI_FIXED_INTF(0x19d2, 0x1018, 3)}, /* ZTE (Vodafone) K5006-Z */ 1275 {QMI_FIXED_INTF(0x19d2, 0x1021, 2)}, 1276 {QMI_FIXED_INTF(0x19d2, 0x1245, 4)}, 1277 {QMI_FIXED_INTF(0x19d2, 0x1247, 4)}, 1278 {QMI_FIXED_INTF(0x19d2, 0x1252, 4)}, 1279 {QMI_FIXED_INTF(0x19d2, 0x1254, 4)}, 1280 {QMI_FIXED_INTF(0x19d2, 0x1255, 3)}, 1281 {QMI_FIXED_INTF(0x19d2, 0x1255, 4)}, 1282 {QMI_FIXED_INTF(0x19d2, 0x1256, 4)}, 1283 {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */ 1284 {QMI_FIXED_INTF(0x19d2, 0x1401, 2)}, 1285 {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */ 1286 {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, 1287 {QMI_FIXED_INTF(0x19d2, 0x1425, 2)}, 1288 {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */ 1289 {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */ 1290 {QMI_FIXED_INTF(0x19d2, 0x1432, 3)}, /* ZTE ME3620 */ 1291 {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ 1292 {QMI_FIXED_INTF(0x2001, 0x7e16, 3)}, /* D-Link DWM-221 */ 1293 {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */ 1294 {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */ 1295 {QMI_FIXED_INTF(0x2001, 0x7e3d, 4)}, /* D-Link DWM-222 A2 */ 1296 {QMI_FIXED_INTF(0x2020, 0x2031, 4)}, /* Olicard 600 */ 1297 {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */ 1298 {QMI_FIXED_INTF(0x2020, 0x2060, 4)}, /* BroadMobi BM818 */ 1299 {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ 1300 {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ 1301 {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ 1302 {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ 1303 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354, WP76xx */ 1304 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 10)},/* Sierra Wireless MC7304/MC7354 */ 1305 {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ 1306 {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */ 1307 {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */ 1308 {QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */ 1309 {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ 1310 {QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */ 1311 {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */ 1312 {QMI_FIXED_INTF(0x1199, 0x9055, 8)}, /* Netgear AirCard 341U */ 1313 {QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */ 1314 {QMI_FIXED_INTF(0x1199, 0x9057, 8)}, 1315 {QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */ 1316 {QMI_FIXED_INTF(0x1199, 0x9063, 8)}, /* Sierra Wireless EM7305 */ 1317 {QMI_FIXED_INTF(0x1199, 0x9063, 10)}, /* Sierra Wireless EM7305 */ 1318 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 8)}, /* Sierra Wireless MC74xx */ 1319 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 10)},/* Sierra Wireless MC74xx */ 1320 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 8)}, /* Sierra Wireless EM74xx */ 1321 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 10)},/* Sierra Wireless EM74xx */ 1322 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 8)}, /* Sierra Wireless EM74xx */ 1323 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 10)},/* Sierra Wireless EM74xx */ 1324 {QMI_QUIRK_SET_DTR(0x1199, 0x9091, 8)}, /* Sierra Wireless EM7565 */ 1325 {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ 1326 {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */ 1327 {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ 1328 {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ 1329 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ 1330 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */ 1331 {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ 1332 {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */ 1333 {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ 1334 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */ 1335 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)}, /* Telit LE910Cx */ 1336 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)}, /* Telit LE910Cx */ 1337 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */ 1338 {QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */ 1339 {QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */ 1340 {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ 1341 {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ 1342 {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ 1343 {QMI_FIXED_INTF(0x0b3c, 0xc002, 4)}, /* Olivetti Olicard 140 */ 1344 {QMI_FIXED_INTF(0x0b3c, 0xc004, 6)}, /* Olivetti Olicard 155 */ 1345 {QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */ 1346 {QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */ 1347 {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */ 1348 {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ 1349 {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */ 1350 {QMI_FIXED_INTF(0x1e2d, 0x0063, 10)}, /* Cinterion ALASxx (1 RmNet) */ 1351 {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1352 {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1353 {QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/ 1354 {QMI_QUIRK_SET_DTR(0x1e2d, 0x00b0, 4)}, /* Cinterion CLS8 */ 1355 {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ 1356 {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ 1357 {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ 1358 {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ 1359 {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ 1360 {QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ 1361 {QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ 1362 {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */ 1363 {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */ 1364 {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */ 1365 {QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/ 1366 {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ 1367 {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ 1368 {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ 1369 {QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */ 1370 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */ 1371 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */ 1372 {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ 1373 {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */ 1374 {QMI_FIXED_INTF(0x0489, 0xe0b4, 0)}, /* Foxconn T77W968 LTE */ 1375 {QMI_FIXED_INTF(0x0489, 0xe0b5, 0)}, /* Foxconn T77W968 LTE with eSIM support*/ 1376 1377 /* 4. Gobi 1000 devices */ 1378 {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ 1379 {QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ 1380 {QMI_GOBI1K_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ 1381 {QMI_GOBI1K_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ 1382 {QMI_GOBI1K_DEVICE(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */ 1383 {QMI_GOBI1K_DEVICE(0x1410, 0xa002)}, /* Novatel Gobi Modem device */ 1384 {QMI_GOBI1K_DEVICE(0x1410, 0xa003)}, /* Novatel Gobi Modem device */ 1385 {QMI_GOBI1K_DEVICE(0x1410, 0xa004)}, /* Novatel Gobi Modem device */ 1386 {QMI_GOBI1K_DEVICE(0x1410, 0xa005)}, /* Novatel Gobi Modem device */ 1387 {QMI_GOBI1K_DEVICE(0x1410, 0xa006)}, /* Novatel Gobi Modem device */ 1388 {QMI_GOBI1K_DEVICE(0x1410, 0xa007)}, /* Novatel Gobi Modem device */ 1389 {QMI_GOBI1K_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ 1390 {QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ 1391 {QMI_GOBI1K_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ 1392 {QMI_GOBI1K_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ 1393 {QMI_GOBI1K_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ 1394 {QMI_GOBI1K_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ 1395 {QMI_GOBI1K_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ 1396 {QMI_GOBI1K_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ 1397 1398 /* 5. Gobi 2000 and 3000 devices */ 1399 {QMI_GOBI_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ 1400 {QMI_GOBI_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ 1401 {QMI_GOBI_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ 1402 {QMI_GOBI_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ 1403 {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ 1404 {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ 1405 {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ 1406 {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */ 1407 {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ 1408 {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ 1409 {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ 1410 {QMI_GOBI_DEVICE(0x0af0, 0x8120)}, /* Option GTM681W */ 1411 {QMI_GOBI_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */ 1412 {QMI_GOBI_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */ 1413 {QMI_GOBI_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1414 {QMI_GOBI_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1415 {QMI_GOBI_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1416 {QMI_GOBI_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1417 {QMI_GOBI_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1418 {QMI_GOBI_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1419 {QMI_GOBI_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1420 {QMI_GOBI_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1421 {QMI_GOBI_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1422 {QMI_GOBI_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1423 {QMI_GOBI_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ 1424 {QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ 1425 {QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ 1426 {QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ 1427 {QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ 1428 {QMI_GOBI_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ 1429 {QMI_GOBI_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ 1430 {QMI_GOBI_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ 1431 {QMI_GOBI_DEVICE(0x12d1, 0x14f1)}, /* Sony Gobi 3000 Composite */ 1432 {QMI_GOBI_DEVICE(0x1410, 0xa021)}, /* Foxconn Gobi 3000 Modem device (Novatel E396) */ 1433 1434 { } /* END */ 1435 }; 1436 MODULE_DEVICE_TABLE(usb, products); 1437 1438 static bool quectel_ec20_detected(struct usb_interface *intf) 1439 { 1440 struct usb_device *dev = interface_to_usbdev(intf); 1441 1442 if (dev->actconfig && 1443 le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 && 1444 le16_to_cpu(dev->descriptor.idProduct) == 0x9215 && 1445 dev->actconfig->desc.bNumInterfaces == 5) 1446 return true; 1447 1448 return false; 1449 } 1450 1451 static int qmi_wwan_probe(struct usb_interface *intf, 1452 const struct usb_device_id *prod) 1453 { 1454 struct usb_device_id *id = (struct usb_device_id *)prod; 1455 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 1456 const struct driver_info *info; 1457 1458 /* Workaround to enable dynamic IDs. This disables usbnet 1459 * blacklisting functionality. Which, if required, can be 1460 * reimplemented here by using a magic "blacklist" value 1461 * instead of 0 in the static device id table 1462 */ 1463 if (!id->driver_info) { 1464 dev_dbg(&intf->dev, "setting defaults for dynamic device id\n"); 1465 id->driver_info = (unsigned long)&qmi_wwan_info; 1466 } 1467 1468 /* There are devices where the same interface number can be 1469 * configured as different functions. We should only bind to 1470 * vendor specific functions when matching on interface number 1471 */ 1472 if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER && 1473 desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) { 1474 dev_dbg(&intf->dev, 1475 "Rejecting interface number match for class %02x\n", 1476 desc->bInterfaceClass); 1477 return -ENODEV; 1478 } 1479 1480 /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */ 1481 if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) { 1482 dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n"); 1483 return -ENODEV; 1484 } 1485 1486 /* Several Quectel modems supports dynamic interface configuration, so 1487 * we need to match on class/subclass/protocol. These values are 1488 * identical for the diagnostic- and QMI-interface, but bNumEndpoints is 1489 * different. Ignore the current interface if the number of endpoints 1490 * equals the number for the diag interface (two). 1491 */ 1492 info = (void *)id->driver_info; 1493 1494 if (info->data & QMI_WWAN_QUIRK_QUECTEL_DYNCFG) { 1495 if (desc->bNumEndpoints == 2) 1496 return -ENODEV; 1497 } 1498 1499 return usbnet_probe(intf, id); 1500 } 1501 1502 static void qmi_wwan_disconnect(struct usb_interface *intf) 1503 { 1504 struct usbnet *dev = usb_get_intfdata(intf); 1505 struct qmi_wwan_state *info; 1506 struct list_head *iter; 1507 struct net_device *ldev; 1508 LIST_HEAD(list); 1509 1510 /* called twice if separate control and data intf */ 1511 if (!dev) 1512 return; 1513 info = (void *)&dev->data; 1514 if (info->flags & QMI_WWAN_FLAG_MUX) { 1515 if (!rtnl_trylock()) { 1516 restart_syscall(); 1517 return; 1518 } 1519 rcu_read_lock(); 1520 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) 1521 qmimux_unregister_device(ldev, &list); 1522 rcu_read_unlock(); 1523 unregister_netdevice_many(&list); 1524 rtnl_unlock(); 1525 info->flags &= ~QMI_WWAN_FLAG_MUX; 1526 } 1527 usbnet_disconnect(intf); 1528 } 1529 1530 static struct usb_driver qmi_wwan_driver = { 1531 .name = "qmi_wwan", 1532 .id_table = products, 1533 .probe = qmi_wwan_probe, 1534 .disconnect = qmi_wwan_disconnect, 1535 .suspend = qmi_wwan_suspend, 1536 .resume = qmi_wwan_resume, 1537 .reset_resume = qmi_wwan_resume, 1538 .supports_autosuspend = 1, 1539 .disable_hub_initiated_lpm = 1, 1540 }; 1541 1542 module_usb_driver(qmi_wwan_driver); 1543 1544 MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>"); 1545 MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver"); 1546 MODULE_LICENSE("GPL"); 1547