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 }; 65 66 struct qmimux_hdr { 67 u8 pad; 68 u8 mux_id; 69 __be16 pkt_len; 70 }; 71 72 struct qmimux_priv { 73 struct net_device *real_dev; 74 u8 mux_id; 75 struct pcpu_sw_netstats __percpu *stats64; 76 }; 77 78 static int qmimux_open(struct net_device *dev) 79 { 80 struct qmimux_priv *priv = netdev_priv(dev); 81 struct net_device *real_dev = priv->real_dev; 82 83 if (!(priv->real_dev->flags & IFF_UP)) 84 return -ENETDOWN; 85 86 if (netif_carrier_ok(real_dev)) 87 netif_carrier_on(dev); 88 return 0; 89 } 90 91 static int qmimux_stop(struct net_device *dev) 92 { 93 netif_carrier_off(dev); 94 return 0; 95 } 96 97 static netdev_tx_t qmimux_start_xmit(struct sk_buff *skb, struct net_device *dev) 98 { 99 struct qmimux_priv *priv = netdev_priv(dev); 100 unsigned int len = skb->len; 101 struct qmimux_hdr *hdr; 102 netdev_tx_t ret; 103 104 hdr = skb_push(skb, sizeof(struct qmimux_hdr)); 105 hdr->pad = 0; 106 hdr->mux_id = priv->mux_id; 107 hdr->pkt_len = cpu_to_be16(len); 108 skb->dev = priv->real_dev; 109 ret = dev_queue_xmit(skb); 110 111 if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) { 112 struct pcpu_sw_netstats *stats64 = this_cpu_ptr(priv->stats64); 113 114 u64_stats_update_begin(&stats64->syncp); 115 stats64->tx_packets++; 116 stats64->tx_bytes += len; 117 u64_stats_update_end(&stats64->syncp); 118 } else { 119 dev->stats.tx_dropped++; 120 } 121 122 return ret; 123 } 124 125 static void qmimux_get_stats64(struct net_device *net, 126 struct rtnl_link_stats64 *stats) 127 { 128 struct qmimux_priv *priv = netdev_priv(net); 129 unsigned int start; 130 int cpu; 131 132 netdev_stats_to_stats64(stats, &net->stats); 133 134 for_each_possible_cpu(cpu) { 135 struct pcpu_sw_netstats *stats64; 136 u64 rx_packets, rx_bytes; 137 u64 tx_packets, tx_bytes; 138 139 stats64 = per_cpu_ptr(priv->stats64, cpu); 140 141 do { 142 start = u64_stats_fetch_begin_irq(&stats64->syncp); 143 rx_packets = stats64->rx_packets; 144 rx_bytes = stats64->rx_bytes; 145 tx_packets = stats64->tx_packets; 146 tx_bytes = stats64->tx_bytes; 147 } while (u64_stats_fetch_retry_irq(&stats64->syncp, start)); 148 149 stats->rx_packets += rx_packets; 150 stats->rx_bytes += rx_bytes; 151 stats->tx_packets += tx_packets; 152 stats->tx_bytes += tx_bytes; 153 } 154 } 155 156 static const struct net_device_ops qmimux_netdev_ops = { 157 .ndo_open = qmimux_open, 158 .ndo_stop = qmimux_stop, 159 .ndo_start_xmit = qmimux_start_xmit, 160 .ndo_get_stats64 = qmimux_get_stats64, 161 }; 162 163 static void qmimux_setup(struct net_device *dev) 164 { 165 dev->header_ops = NULL; /* No header */ 166 dev->type = ARPHRD_NONE; 167 dev->hard_header_len = 0; 168 dev->addr_len = 0; 169 dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 170 dev->netdev_ops = &qmimux_netdev_ops; 171 dev->mtu = 1500; 172 dev->needs_free_netdev = true; 173 } 174 175 static struct net_device *qmimux_find_dev(struct usbnet *dev, u8 mux_id) 176 { 177 struct qmimux_priv *priv; 178 struct list_head *iter; 179 struct net_device *ldev; 180 181 rcu_read_lock(); 182 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) { 183 priv = netdev_priv(ldev); 184 if (priv->mux_id == mux_id) { 185 rcu_read_unlock(); 186 return ldev; 187 } 188 } 189 rcu_read_unlock(); 190 return NULL; 191 } 192 193 static bool qmimux_has_slaves(struct usbnet *dev) 194 { 195 return !list_empty(&dev->net->adj_list.upper); 196 } 197 198 static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 199 { 200 unsigned int len, offset = 0, pad_len, pkt_len; 201 struct qmimux_hdr *hdr; 202 struct net_device *net; 203 struct sk_buff *skbn; 204 u8 qmimux_hdr_sz = sizeof(*hdr); 205 206 while (offset + qmimux_hdr_sz < skb->len) { 207 hdr = (struct qmimux_hdr *)(skb->data + offset); 208 len = be16_to_cpu(hdr->pkt_len); 209 210 /* drop the packet, bogus length */ 211 if (offset + len + qmimux_hdr_sz > skb->len) 212 return 0; 213 214 /* control packet, we do not know what to do */ 215 if (hdr->pad & 0x80) 216 goto skip; 217 218 /* extract padding length and check for valid length info */ 219 pad_len = hdr->pad & 0x3f; 220 if (len == 0 || pad_len >= len) 221 goto skip; 222 pkt_len = len - pad_len; 223 224 net = qmimux_find_dev(dev, hdr->mux_id); 225 if (!net) 226 goto skip; 227 skbn = netdev_alloc_skb(net, pkt_len); 228 if (!skbn) 229 return 0; 230 skbn->dev = net; 231 232 switch (skb->data[offset + qmimux_hdr_sz] & 0xf0) { 233 case 0x40: 234 skbn->protocol = htons(ETH_P_IP); 235 break; 236 case 0x60: 237 skbn->protocol = htons(ETH_P_IPV6); 238 break; 239 default: 240 /* not ip - do not know what to do */ 241 goto skip; 242 } 243 244 skb_put_data(skbn, skb->data + offset + qmimux_hdr_sz, pkt_len); 245 if (netif_rx(skbn) != NET_RX_SUCCESS) { 246 net->stats.rx_errors++; 247 return 0; 248 } else { 249 struct pcpu_sw_netstats *stats64; 250 struct qmimux_priv *priv = netdev_priv(net); 251 252 stats64 = this_cpu_ptr(priv->stats64); 253 u64_stats_update_begin(&stats64->syncp); 254 stats64->rx_packets++; 255 stats64->rx_bytes += pkt_len; 256 u64_stats_update_end(&stats64->syncp); 257 } 258 259 skip: 260 offset += len + qmimux_hdr_sz; 261 } 262 return 1; 263 } 264 265 static int qmimux_register_device(struct net_device *real_dev, u8 mux_id) 266 { 267 struct net_device *new_dev; 268 struct qmimux_priv *priv; 269 int err; 270 271 new_dev = alloc_netdev(sizeof(struct qmimux_priv), 272 "qmimux%d", NET_NAME_UNKNOWN, qmimux_setup); 273 if (!new_dev) 274 return -ENOBUFS; 275 276 dev_net_set(new_dev, dev_net(real_dev)); 277 priv = netdev_priv(new_dev); 278 priv->mux_id = mux_id; 279 priv->real_dev = real_dev; 280 281 priv->stats64 = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); 282 if (!priv->stats64) { 283 err = -ENOBUFS; 284 goto out_free_newdev; 285 } 286 287 err = register_netdevice(new_dev); 288 if (err < 0) 289 goto out_free_newdev; 290 291 /* Account for reference in struct qmimux_priv_priv */ 292 dev_hold(real_dev); 293 294 err = netdev_upper_dev_link(real_dev, new_dev, NULL); 295 if (err) 296 goto out_unregister_netdev; 297 298 netif_stacked_transfer_operstate(real_dev, new_dev); 299 300 return 0; 301 302 out_unregister_netdev: 303 unregister_netdevice(new_dev); 304 dev_put(real_dev); 305 306 out_free_newdev: 307 free_netdev(new_dev); 308 return err; 309 } 310 311 static void qmimux_unregister_device(struct net_device *dev, 312 struct list_head *head) 313 { 314 struct qmimux_priv *priv = netdev_priv(dev); 315 struct net_device *real_dev = priv->real_dev; 316 317 free_percpu(priv->stats64); 318 netdev_upper_dev_unlink(real_dev, dev); 319 unregister_netdevice_queue(dev, head); 320 321 /* Get rid of the reference to real_dev */ 322 dev_put(real_dev); 323 } 324 325 static void qmi_wwan_netdev_setup(struct net_device *net) 326 { 327 struct usbnet *dev = netdev_priv(net); 328 struct qmi_wwan_state *info = (void *)&dev->data; 329 330 if (info->flags & QMI_WWAN_FLAG_RAWIP) { 331 net->header_ops = NULL; /* No header */ 332 net->type = ARPHRD_NONE; 333 net->hard_header_len = 0; 334 net->addr_len = 0; 335 net->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 336 set_bit(EVENT_NO_IP_ALIGN, &dev->flags); 337 netdev_dbg(net, "mode: raw IP\n"); 338 } else if (!net->header_ops) { /* don't bother if already set */ 339 ether_setup(net); 340 /* Restoring min/max mtu values set originally by usbnet */ 341 net->min_mtu = 0; 342 net->max_mtu = ETH_MAX_MTU; 343 clear_bit(EVENT_NO_IP_ALIGN, &dev->flags); 344 netdev_dbg(net, "mode: Ethernet\n"); 345 } 346 347 /* recalculate buffers after changing hard_header_len */ 348 usbnet_change_mtu(net, net->mtu); 349 } 350 351 static ssize_t raw_ip_show(struct device *d, struct device_attribute *attr, char *buf) 352 { 353 struct usbnet *dev = netdev_priv(to_net_dev(d)); 354 struct qmi_wwan_state *info = (void *)&dev->data; 355 356 return sprintf(buf, "%c\n", info->flags & QMI_WWAN_FLAG_RAWIP ? 'Y' : 'N'); 357 } 358 359 static ssize_t raw_ip_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 360 { 361 struct usbnet *dev = netdev_priv(to_net_dev(d)); 362 struct qmi_wwan_state *info = (void *)&dev->data; 363 bool enable; 364 int ret; 365 366 if (strtobool(buf, &enable)) 367 return -EINVAL; 368 369 /* no change? */ 370 if (enable == (info->flags & QMI_WWAN_FLAG_RAWIP)) 371 return len; 372 373 if (!rtnl_trylock()) 374 return restart_syscall(); 375 376 /* we don't want to modify a running netdev */ 377 if (netif_running(dev->net)) { 378 netdev_err(dev->net, "Cannot change a running device\n"); 379 ret = -EBUSY; 380 goto err; 381 } 382 383 /* let other drivers deny the change */ 384 ret = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev->net); 385 ret = notifier_to_errno(ret); 386 if (ret) { 387 netdev_err(dev->net, "Type change was refused\n"); 388 goto err; 389 } 390 391 if (enable) 392 info->flags |= QMI_WWAN_FLAG_RAWIP; 393 else 394 info->flags &= ~QMI_WWAN_FLAG_RAWIP; 395 qmi_wwan_netdev_setup(dev->net); 396 call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev->net); 397 ret = len; 398 err: 399 rtnl_unlock(); 400 return ret; 401 } 402 403 static ssize_t add_mux_show(struct device *d, struct device_attribute *attr, char *buf) 404 { 405 struct net_device *dev = to_net_dev(d); 406 struct qmimux_priv *priv; 407 struct list_head *iter; 408 struct net_device *ldev; 409 ssize_t count = 0; 410 411 rcu_read_lock(); 412 netdev_for_each_upper_dev_rcu(dev, ldev, iter) { 413 priv = netdev_priv(ldev); 414 count += scnprintf(&buf[count], PAGE_SIZE - count, 415 "0x%02x\n", priv->mux_id); 416 } 417 rcu_read_unlock(); 418 return count; 419 } 420 421 static ssize_t add_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 422 { 423 struct usbnet *dev = netdev_priv(to_net_dev(d)); 424 struct qmi_wwan_state *info = (void *)&dev->data; 425 u8 mux_id; 426 int ret; 427 428 if (kstrtou8(buf, 0, &mux_id)) 429 return -EINVAL; 430 431 /* mux_id [1 - 254] for compatibility with ip(8) and the rmnet driver */ 432 if (mux_id < 1 || mux_id > 254) 433 return -EINVAL; 434 435 if (!rtnl_trylock()) 436 return restart_syscall(); 437 438 if (qmimux_find_dev(dev, mux_id)) { 439 netdev_err(dev->net, "mux_id already present\n"); 440 ret = -EINVAL; 441 goto err; 442 } 443 444 /* we don't want to modify a running netdev */ 445 if (netif_running(dev->net)) { 446 netdev_err(dev->net, "Cannot change a running device\n"); 447 ret = -EBUSY; 448 goto err; 449 } 450 451 ret = qmimux_register_device(dev->net, mux_id); 452 if (!ret) { 453 info->flags |= QMI_WWAN_FLAG_MUX; 454 ret = len; 455 } 456 err: 457 rtnl_unlock(); 458 return ret; 459 } 460 461 static ssize_t del_mux_show(struct device *d, struct device_attribute *attr, char *buf) 462 { 463 return add_mux_show(d, attr, buf); 464 } 465 466 static ssize_t del_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 467 { 468 struct usbnet *dev = netdev_priv(to_net_dev(d)); 469 struct qmi_wwan_state *info = (void *)&dev->data; 470 struct net_device *del_dev; 471 u8 mux_id; 472 int ret = 0; 473 474 if (kstrtou8(buf, 0, &mux_id)) 475 return -EINVAL; 476 477 if (!rtnl_trylock()) 478 return restart_syscall(); 479 480 /* we don't want to modify a running netdev */ 481 if (netif_running(dev->net)) { 482 netdev_err(dev->net, "Cannot change a running device\n"); 483 ret = -EBUSY; 484 goto err; 485 } 486 487 del_dev = qmimux_find_dev(dev, mux_id); 488 if (!del_dev) { 489 netdev_err(dev->net, "mux_id not present\n"); 490 ret = -EINVAL; 491 goto err; 492 } 493 qmimux_unregister_device(del_dev, NULL); 494 495 if (!qmimux_has_slaves(dev)) 496 info->flags &= ~QMI_WWAN_FLAG_MUX; 497 ret = len; 498 err: 499 rtnl_unlock(); 500 return ret; 501 } 502 503 static DEVICE_ATTR_RW(raw_ip); 504 static DEVICE_ATTR_RW(add_mux); 505 static DEVICE_ATTR_RW(del_mux); 506 507 static struct attribute *qmi_wwan_sysfs_attrs[] = { 508 &dev_attr_raw_ip.attr, 509 &dev_attr_add_mux.attr, 510 &dev_attr_del_mux.attr, 511 NULL, 512 }; 513 514 static struct attribute_group qmi_wwan_sysfs_attr_group = { 515 .name = "qmi", 516 .attrs = qmi_wwan_sysfs_attrs, 517 }; 518 519 /* default ethernet address used by the modem */ 520 static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3}; 521 522 static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00}; 523 524 /* Make up an ethernet header if the packet doesn't have one. 525 * 526 * A firmware bug common among several devices cause them to send raw 527 * IP packets under some circumstances. There is no way for the 528 * driver/host to know when this will happen. And even when the bug 529 * hits, some packets will still arrive with an intact header. 530 * 531 * The supported devices are only capably of sending IPv4, IPv6 and 532 * ARP packets on a point-to-point link. Any packet with an ethernet 533 * header will have either our address or a broadcast/multicast 534 * address as destination. ARP packets will always have a header. 535 * 536 * This means that this function will reliably add the appropriate 537 * header iff necessary, provided our hardware address does not start 538 * with 4 or 6. 539 * 540 * Another common firmware bug results in all packets being addressed 541 * to 00:a0:c6:00:00:00 despite the host address being different. 542 * This function will also fixup such packets. 543 */ 544 static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 545 { 546 struct qmi_wwan_state *info = (void *)&dev->data; 547 bool rawip = info->flags & QMI_WWAN_FLAG_RAWIP; 548 __be16 proto; 549 550 /* This check is no longer done by usbnet */ 551 if (skb->len < dev->net->hard_header_len) 552 return 0; 553 554 if (info->flags & QMI_WWAN_FLAG_MUX) 555 return qmimux_rx_fixup(dev, skb); 556 557 switch (skb->data[0] & 0xf0) { 558 case 0x40: 559 proto = htons(ETH_P_IP); 560 break; 561 case 0x60: 562 proto = htons(ETH_P_IPV6); 563 break; 564 case 0x00: 565 if (rawip) 566 return 0; 567 if (is_multicast_ether_addr(skb->data)) 568 return 1; 569 /* possibly bogus destination - rewrite just in case */ 570 skb_reset_mac_header(skb); 571 goto fix_dest; 572 default: 573 if (rawip) 574 return 0; 575 /* pass along other packets without modifications */ 576 return 1; 577 } 578 if (rawip) { 579 skb_reset_mac_header(skb); 580 skb->dev = dev->net; /* normally set by eth_type_trans */ 581 skb->protocol = proto; 582 return 1; 583 } 584 585 if (skb_headroom(skb) < ETH_HLEN) 586 return 0; 587 skb_push(skb, ETH_HLEN); 588 skb_reset_mac_header(skb); 589 eth_hdr(skb)->h_proto = proto; 590 eth_zero_addr(eth_hdr(skb)->h_source); 591 fix_dest: 592 memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN); 593 return 1; 594 } 595 596 /* very simplistic detection of IPv4 or IPv6 headers */ 597 static bool possibly_iphdr(const char *data) 598 { 599 return (data[0] & 0xd0) == 0x40; 600 } 601 602 /* disallow addresses which may be confused with IP headers */ 603 static int qmi_wwan_mac_addr(struct net_device *dev, void *p) 604 { 605 int ret; 606 struct sockaddr *addr = p; 607 608 ret = eth_prepare_mac_addr_change(dev, p); 609 if (ret < 0) 610 return ret; 611 if (possibly_iphdr(addr->sa_data)) 612 return -EADDRNOTAVAIL; 613 eth_commit_mac_addr_change(dev, p); 614 return 0; 615 } 616 617 static const struct net_device_ops qmi_wwan_netdev_ops = { 618 .ndo_open = usbnet_open, 619 .ndo_stop = usbnet_stop, 620 .ndo_start_xmit = usbnet_start_xmit, 621 .ndo_tx_timeout = usbnet_tx_timeout, 622 .ndo_change_mtu = usbnet_change_mtu, 623 .ndo_get_stats64 = usbnet_get_stats64, 624 .ndo_set_mac_address = qmi_wwan_mac_addr, 625 .ndo_validate_addr = eth_validate_addr, 626 }; 627 628 /* using a counter to merge subdriver requests with our own into a 629 * combined state 630 */ 631 static int qmi_wwan_manage_power(struct usbnet *dev, int on) 632 { 633 struct qmi_wwan_state *info = (void *)&dev->data; 634 int rv; 635 636 dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__, 637 atomic_read(&info->pmcount), on); 638 639 if ((on && atomic_add_return(1, &info->pmcount) == 1) || 640 (!on && atomic_dec_and_test(&info->pmcount))) { 641 /* need autopm_get/put here to ensure the usbcore sees 642 * the new value 643 */ 644 rv = usb_autopm_get_interface(dev->intf); 645 dev->intf->needs_remote_wakeup = on; 646 if (!rv) 647 usb_autopm_put_interface(dev->intf); 648 } 649 return 0; 650 } 651 652 static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on) 653 { 654 struct usbnet *dev = usb_get_intfdata(intf); 655 656 /* can be called while disconnecting */ 657 if (!dev) 658 return 0; 659 return qmi_wwan_manage_power(dev, on); 660 } 661 662 /* collect all three endpoints and register subdriver */ 663 static int qmi_wwan_register_subdriver(struct usbnet *dev) 664 { 665 int rv; 666 struct usb_driver *subdriver = NULL; 667 struct qmi_wwan_state *info = (void *)&dev->data; 668 669 /* collect bulk endpoints */ 670 rv = usbnet_get_endpoints(dev, info->data); 671 if (rv < 0) 672 goto err; 673 674 /* update status endpoint if separate control interface */ 675 if (info->control != info->data) 676 dev->status = &info->control->cur_altsetting->endpoint[0]; 677 678 /* require interrupt endpoint for subdriver */ 679 if (!dev->status) { 680 rv = -EINVAL; 681 goto err; 682 } 683 684 /* for subdriver power management */ 685 atomic_set(&info->pmcount, 0); 686 687 /* register subdriver */ 688 subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc, 689 4096, &qmi_wwan_cdc_wdm_manage_power); 690 if (IS_ERR(subdriver)) { 691 dev_err(&info->control->dev, "subdriver registration failed\n"); 692 rv = PTR_ERR(subdriver); 693 goto err; 694 } 695 696 /* prevent usbnet from using status endpoint */ 697 dev->status = NULL; 698 699 /* save subdriver struct for suspend/resume wrappers */ 700 info->subdriver = subdriver; 701 702 err: 703 return rv; 704 } 705 706 /* Send CDC SetControlLineState request, setting or clearing the DTR. 707 * "Required for Autoconnect and 9x30 to wake up" according to the 708 * GobiNet driver. The requirement has been verified on an MDM9230 709 * based Sierra Wireless MC7455 710 */ 711 static int qmi_wwan_change_dtr(struct usbnet *dev, bool on) 712 { 713 u8 intf = dev->intf->cur_altsetting->desc.bInterfaceNumber; 714 715 return usbnet_write_cmd(dev, USB_CDC_REQ_SET_CONTROL_LINE_STATE, 716 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 717 on ? 0x01 : 0x00, intf, NULL, 0); 718 } 719 720 static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) 721 { 722 int status = -1; 723 u8 *buf = intf->cur_altsetting->extra; 724 int len = intf->cur_altsetting->extralen; 725 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 726 struct usb_cdc_union_desc *cdc_union; 727 struct usb_cdc_ether_desc *cdc_ether; 728 struct usb_driver *driver = driver_of(intf); 729 struct qmi_wwan_state *info = (void *)&dev->data; 730 struct usb_cdc_parsed_header hdr; 731 732 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) < 733 sizeof(struct qmi_wwan_state))); 734 735 /* set up initial state */ 736 info->control = intf; 737 info->data = intf; 738 739 /* and a number of CDC descriptors */ 740 cdc_parse_cdc_header(&hdr, intf, buf, len); 741 cdc_union = hdr.usb_cdc_union_desc; 742 cdc_ether = hdr.usb_cdc_ether_desc; 743 744 /* Use separate control and data interfaces if we found a CDC Union */ 745 if (cdc_union) { 746 info->data = usb_ifnum_to_if(dev->udev, 747 cdc_union->bSlaveInterface0); 748 if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 || 749 !info->data) { 750 dev_err(&intf->dev, 751 "bogus CDC Union: master=%u, slave=%u\n", 752 cdc_union->bMasterInterface0, 753 cdc_union->bSlaveInterface0); 754 755 /* ignore and continue... */ 756 cdc_union = NULL; 757 info->data = intf; 758 } 759 } 760 761 /* errors aren't fatal - we can live with the dynamic address */ 762 if (cdc_ether && cdc_ether->wMaxSegmentSize) { 763 dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize); 764 usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress); 765 } 766 767 /* claim data interface and set it up */ 768 if (info->control != info->data) { 769 status = usb_driver_claim_interface(driver, info->data, dev); 770 if (status < 0) 771 goto err; 772 } 773 774 status = qmi_wwan_register_subdriver(dev); 775 if (status < 0 && info->control != info->data) { 776 usb_set_intfdata(info->data, NULL); 777 usb_driver_release_interface(driver, info->data); 778 } 779 780 /* disabling remote wakeup on MDM9x30 devices has the same 781 * effect as clearing DTR. The device will not respond to QMI 782 * requests until we set DTR again. This is similar to a 783 * QMI_CTL SYNC request, clearing a lot of firmware state 784 * including the client ID allocations. 785 * 786 * Our usage model allows a session to span multiple 787 * open/close events, so we must prevent the firmware from 788 * clearing out state the clients might need. 789 * 790 * MDM9x30 is the first QMI chipset with USB3 support. Abuse 791 * this fact to enable the quirk for all USB3 devices. 792 * 793 * There are also chipsets with the same "set DTR" requirement 794 * but without USB3 support. Devices based on these chips 795 * need a quirk flag in the device ID table. 796 */ 797 if (dev->driver_info->data & QMI_WWAN_QUIRK_DTR || 798 le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 799 qmi_wwan_manage_power(dev, 1); 800 qmi_wwan_change_dtr(dev, true); 801 } 802 803 /* Never use the same address on both ends of the link, even if the 804 * buggy firmware told us to. Or, if device is assigned the well-known 805 * buggy firmware MAC address, replace it with a random address, 806 */ 807 if (ether_addr_equal(dev->net->dev_addr, default_modem_addr) || 808 ether_addr_equal(dev->net->dev_addr, buggy_fw_addr)) 809 eth_hw_addr_random(dev->net); 810 811 /* make MAC addr easily distinguishable from an IP header */ 812 if (possibly_iphdr(dev->net->dev_addr)) { 813 dev->net->dev_addr[0] |= 0x02; /* set local assignment bit */ 814 dev->net->dev_addr[0] &= 0xbf; /* clear "IP" bit */ 815 } 816 dev->net->netdev_ops = &qmi_wwan_netdev_ops; 817 dev->net->sysfs_groups[0] = &qmi_wwan_sysfs_attr_group; 818 err: 819 return status; 820 } 821 822 static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf) 823 { 824 struct qmi_wwan_state *info = (void *)&dev->data; 825 struct usb_driver *driver = driver_of(intf); 826 struct usb_interface *other; 827 828 if (info->subdriver && info->subdriver->disconnect) 829 info->subdriver->disconnect(info->control); 830 831 /* disable MDM9x30 quirk */ 832 if (le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 833 qmi_wwan_change_dtr(dev, false); 834 qmi_wwan_manage_power(dev, 0); 835 } 836 837 /* allow user to unbind using either control or data */ 838 if (intf == info->control) 839 other = info->data; 840 else 841 other = info->control; 842 843 /* only if not shared */ 844 if (other && intf != other) { 845 usb_set_intfdata(other, NULL); 846 usb_driver_release_interface(driver, other); 847 } 848 849 info->subdriver = NULL; 850 info->data = NULL; 851 info->control = NULL; 852 } 853 854 /* suspend/resume wrappers calling both usbnet and the cdc-wdm 855 * subdriver if present. 856 * 857 * NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide 858 * wrappers for those without adding usbnet reset support first. 859 */ 860 static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message) 861 { 862 struct usbnet *dev = usb_get_intfdata(intf); 863 struct qmi_wwan_state *info = (void *)&dev->data; 864 int ret; 865 866 /* Both usbnet_suspend() and subdriver->suspend() MUST return 0 867 * in system sleep context, otherwise, the resume callback has 868 * to recover device from previous suspend failure. 869 */ 870 ret = usbnet_suspend(intf, message); 871 if (ret < 0) 872 goto err; 873 874 if (intf == info->control && info->subdriver && 875 info->subdriver->suspend) 876 ret = info->subdriver->suspend(intf, message); 877 if (ret < 0) 878 usbnet_resume(intf); 879 err: 880 return ret; 881 } 882 883 static int qmi_wwan_resume(struct usb_interface *intf) 884 { 885 struct usbnet *dev = usb_get_intfdata(intf); 886 struct qmi_wwan_state *info = (void *)&dev->data; 887 int ret = 0; 888 bool callsub = (intf == info->control && info->subdriver && 889 info->subdriver->resume); 890 891 if (callsub) 892 ret = info->subdriver->resume(intf); 893 if (ret < 0) 894 goto err; 895 ret = usbnet_resume(intf); 896 if (ret < 0 && callsub) 897 info->subdriver->suspend(intf, PMSG_SUSPEND); 898 err: 899 return ret; 900 } 901 902 static const struct driver_info qmi_wwan_info = { 903 .description = "WWAN/QMI device", 904 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 905 .bind = qmi_wwan_bind, 906 .unbind = qmi_wwan_unbind, 907 .manage_power = qmi_wwan_manage_power, 908 .rx_fixup = qmi_wwan_rx_fixup, 909 }; 910 911 static const struct driver_info qmi_wwan_info_quirk_dtr = { 912 .description = "WWAN/QMI device", 913 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 914 .bind = qmi_wwan_bind, 915 .unbind = qmi_wwan_unbind, 916 .manage_power = qmi_wwan_manage_power, 917 .rx_fixup = qmi_wwan_rx_fixup, 918 .data = QMI_WWAN_QUIRK_DTR, 919 }; 920 921 #define HUAWEI_VENDOR_ID 0x12D1 922 923 /* map QMI/wwan function by a fixed interface number */ 924 #define QMI_FIXED_INTF(vend, prod, num) \ 925 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 926 .driver_info = (unsigned long)&qmi_wwan_info 927 928 /* devices requiring "set DTR" quirk */ 929 #define QMI_QUIRK_SET_DTR(vend, prod, num) \ 930 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 931 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 932 933 /* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */ 934 #define QMI_GOBI1K_DEVICE(vend, prod) \ 935 QMI_FIXED_INTF(vend, prod, 3) 936 937 /* Gobi 2000/3000 QMI/wwan interface number is 0 according to qcserial */ 938 #define QMI_GOBI_DEVICE(vend, prod) \ 939 QMI_FIXED_INTF(vend, prod, 0) 940 941 /* Many devices have QMI and DIAG functions which are distinguishable 942 * from other vendor specific functions by class, subclass and 943 * protocol all being 0xff. The DIAG function has exactly 2 endpoints 944 * and is silently rejected when probed. 945 * 946 * This makes it possible to match dynamically numbered QMI functions 947 * as seen on e.g. many Quectel modems. 948 */ 949 #define QMI_MATCH_FF_FF_FF(vend, prod) \ 950 USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_VENDOR_SPEC, \ 951 USB_SUBCLASS_VENDOR_SPEC, 0xff), \ 952 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 953 954 static const struct usb_device_id products[] = { 955 /* 1. CDC ECM like devices match on the control interface */ 956 { /* Huawei E392, E398 and possibly others sharing both device id and more... */ 957 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 9), 958 .driver_info = (unsigned long)&qmi_wwan_info, 959 }, 960 { /* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */ 961 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 57), 962 .driver_info = (unsigned long)&qmi_wwan_info, 963 }, 964 { /* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */ 965 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69), 966 .driver_info = (unsigned long)&qmi_wwan_info, 967 }, 968 { /* Motorola Mapphone devices with MDM6600 */ 969 USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC, 0xfb, 0xff), 970 .driver_info = (unsigned long)&qmi_wwan_info, 971 }, 972 973 /* 2. Combined interface devices matching on class+protocol */ 974 { /* Huawei E367 and possibly others in "Windows mode" */ 975 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7), 976 .driver_info = (unsigned long)&qmi_wwan_info, 977 }, 978 { /* Huawei E392, E398 and possibly others in "Windows mode" */ 979 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17), 980 .driver_info = (unsigned long)&qmi_wwan_info, 981 }, 982 { /* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */ 983 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x37), 984 .driver_info = (unsigned long)&qmi_wwan_info, 985 }, 986 { /* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */ 987 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x67), 988 .driver_info = (unsigned long)&qmi_wwan_info, 989 }, 990 { /* Pantech UML290, P4200 and more */ 991 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff), 992 .driver_info = (unsigned long)&qmi_wwan_info, 993 }, 994 { /* Pantech UML290 - newer firmware */ 995 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff), 996 .driver_info = (unsigned long)&qmi_wwan_info, 997 }, 998 { /* Novatel USB551L and MC551 */ 999 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001, 1000 USB_CLASS_COMM, 1001 USB_CDC_SUBCLASS_ETHERNET, 1002 USB_CDC_PROTO_NONE), 1003 .driver_info = (unsigned long)&qmi_wwan_info, 1004 }, 1005 { /* Novatel E362 */ 1006 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010, 1007 USB_CLASS_COMM, 1008 USB_CDC_SUBCLASS_ETHERNET, 1009 USB_CDC_PROTO_NONE), 1010 .driver_info = (unsigned long)&qmi_wwan_info, 1011 }, 1012 { /* Novatel Expedite E371 */ 1013 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9011, 1014 USB_CLASS_COMM, 1015 USB_CDC_SUBCLASS_ETHERNET, 1016 USB_CDC_PROTO_NONE), 1017 .driver_info = (unsigned long)&qmi_wwan_info, 1018 }, 1019 { /* Dell Wireless 5800 (Novatel E362) */ 1020 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195, 1021 USB_CLASS_COMM, 1022 USB_CDC_SUBCLASS_ETHERNET, 1023 USB_CDC_PROTO_NONE), 1024 .driver_info = (unsigned long)&qmi_wwan_info, 1025 }, 1026 { /* Dell Wireless 5800 V2 (Novatel E362) */ 1027 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196, 1028 USB_CLASS_COMM, 1029 USB_CDC_SUBCLASS_ETHERNET, 1030 USB_CDC_PROTO_NONE), 1031 .driver_info = (unsigned long)&qmi_wwan_info, 1032 }, 1033 { /* Dell Wireless 5804 (Novatel E371) */ 1034 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b, 1035 USB_CLASS_COMM, 1036 USB_CDC_SUBCLASS_ETHERNET, 1037 USB_CDC_PROTO_NONE), 1038 .driver_info = (unsigned long)&qmi_wwan_info, 1039 }, 1040 { /* ADU960S */ 1041 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, 1042 USB_CLASS_COMM, 1043 USB_CDC_SUBCLASS_ETHERNET, 1044 USB_CDC_PROTO_NONE), 1045 .driver_info = (unsigned long)&qmi_wwan_info, 1046 }, 1047 { /* HP lt2523 (Novatel E371) */ 1048 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 1049 USB_CLASS_COMM, 1050 USB_CDC_SUBCLASS_ETHERNET, 1051 USB_CDC_PROTO_NONE), 1052 .driver_info = (unsigned long)&qmi_wwan_info, 1053 }, 1054 { /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */ 1055 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7), 1056 .driver_info = (unsigned long)&qmi_wwan_info, 1057 }, 1058 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ 1059 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */ 1060 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */ 1061 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0800)}, /* Quectel RM500Q-GL */ 1062 1063 /* 3. Combined interface devices matching on interface number */ 1064 {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */ 1065 {QMI_FIXED_INTF(0x05c6, 0x6001, 3)}, /* 4G LTE usb-modem U901 */ 1066 {QMI_FIXED_INTF(0x05c6, 0x7000, 0)}, 1067 {QMI_FIXED_INTF(0x05c6, 0x7001, 1)}, 1068 {QMI_FIXED_INTF(0x05c6, 0x7002, 1)}, 1069 {QMI_FIXED_INTF(0x05c6, 0x7101, 1)}, 1070 {QMI_FIXED_INTF(0x05c6, 0x7101, 2)}, 1071 {QMI_FIXED_INTF(0x05c6, 0x7101, 3)}, 1072 {QMI_FIXED_INTF(0x05c6, 0x7102, 1)}, 1073 {QMI_FIXED_INTF(0x05c6, 0x7102, 2)}, 1074 {QMI_FIXED_INTF(0x05c6, 0x7102, 3)}, 1075 {QMI_FIXED_INTF(0x05c6, 0x8000, 7)}, 1076 {QMI_FIXED_INTF(0x05c6, 0x8001, 6)}, 1077 {QMI_FIXED_INTF(0x05c6, 0x9000, 4)}, 1078 {QMI_FIXED_INTF(0x05c6, 0x9003, 4)}, 1079 {QMI_FIXED_INTF(0x05c6, 0x9005, 2)}, 1080 {QMI_FIXED_INTF(0x05c6, 0x900a, 4)}, 1081 {QMI_FIXED_INTF(0x05c6, 0x900b, 2)}, 1082 {QMI_FIXED_INTF(0x05c6, 0x900c, 4)}, 1083 {QMI_FIXED_INTF(0x05c6, 0x900c, 5)}, 1084 {QMI_FIXED_INTF(0x05c6, 0x900c, 6)}, 1085 {QMI_FIXED_INTF(0x05c6, 0x900d, 5)}, 1086 {QMI_FIXED_INTF(0x05c6, 0x900f, 3)}, 1087 {QMI_FIXED_INTF(0x05c6, 0x900f, 4)}, 1088 {QMI_FIXED_INTF(0x05c6, 0x900f, 5)}, 1089 {QMI_FIXED_INTF(0x05c6, 0x9010, 4)}, 1090 {QMI_FIXED_INTF(0x05c6, 0x9010, 5)}, 1091 {QMI_FIXED_INTF(0x05c6, 0x9011, 3)}, 1092 {QMI_FIXED_INTF(0x05c6, 0x9011, 4)}, 1093 {QMI_FIXED_INTF(0x05c6, 0x9021, 1)}, 1094 {QMI_FIXED_INTF(0x05c6, 0x9022, 2)}, 1095 {QMI_FIXED_INTF(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD LTE (China Mobile) */ 1096 {QMI_FIXED_INTF(0x05c6, 0x9026, 3)}, 1097 {QMI_FIXED_INTF(0x05c6, 0x902e, 5)}, 1098 {QMI_FIXED_INTF(0x05c6, 0x9031, 5)}, 1099 {QMI_FIXED_INTF(0x05c6, 0x9032, 4)}, 1100 {QMI_FIXED_INTF(0x05c6, 0x9033, 3)}, 1101 {QMI_FIXED_INTF(0x05c6, 0x9033, 4)}, 1102 {QMI_FIXED_INTF(0x05c6, 0x9033, 5)}, 1103 {QMI_FIXED_INTF(0x05c6, 0x9033, 6)}, 1104 {QMI_FIXED_INTF(0x05c6, 0x9034, 3)}, 1105 {QMI_FIXED_INTF(0x05c6, 0x9034, 4)}, 1106 {QMI_FIXED_INTF(0x05c6, 0x9034, 5)}, 1107 {QMI_FIXED_INTF(0x05c6, 0x9034, 6)}, 1108 {QMI_FIXED_INTF(0x05c6, 0x9034, 7)}, 1109 {QMI_FIXED_INTF(0x05c6, 0x9035, 4)}, 1110 {QMI_FIXED_INTF(0x05c6, 0x9036, 3)}, 1111 {QMI_FIXED_INTF(0x05c6, 0x9037, 5)}, 1112 {QMI_FIXED_INTF(0x05c6, 0x9038, 4)}, 1113 {QMI_FIXED_INTF(0x05c6, 0x903b, 7)}, 1114 {QMI_FIXED_INTF(0x05c6, 0x903c, 6)}, 1115 {QMI_FIXED_INTF(0x05c6, 0x903d, 6)}, 1116 {QMI_FIXED_INTF(0x05c6, 0x903e, 5)}, 1117 {QMI_FIXED_INTF(0x05c6, 0x9043, 3)}, 1118 {QMI_FIXED_INTF(0x05c6, 0x9046, 3)}, 1119 {QMI_FIXED_INTF(0x05c6, 0x9046, 4)}, 1120 {QMI_FIXED_INTF(0x05c6, 0x9046, 5)}, 1121 {QMI_FIXED_INTF(0x05c6, 0x9047, 2)}, 1122 {QMI_FIXED_INTF(0x05c6, 0x9047, 3)}, 1123 {QMI_FIXED_INTF(0x05c6, 0x9047, 4)}, 1124 {QMI_FIXED_INTF(0x05c6, 0x9048, 4)}, 1125 {QMI_FIXED_INTF(0x05c6, 0x9048, 5)}, 1126 {QMI_FIXED_INTF(0x05c6, 0x9048, 6)}, 1127 {QMI_FIXED_INTF(0x05c6, 0x9048, 7)}, 1128 {QMI_FIXED_INTF(0x05c6, 0x9048, 8)}, 1129 {QMI_FIXED_INTF(0x05c6, 0x904c, 5)}, 1130 {QMI_FIXED_INTF(0x05c6, 0x904c, 6)}, 1131 {QMI_FIXED_INTF(0x05c6, 0x904c, 7)}, 1132 {QMI_FIXED_INTF(0x05c6, 0x904c, 8)}, 1133 {QMI_FIXED_INTF(0x05c6, 0x9050, 3)}, 1134 {QMI_FIXED_INTF(0x05c6, 0x9052, 4)}, 1135 {QMI_FIXED_INTF(0x05c6, 0x9053, 6)}, 1136 {QMI_FIXED_INTF(0x05c6, 0x9053, 7)}, 1137 {QMI_FIXED_INTF(0x05c6, 0x9054, 5)}, 1138 {QMI_FIXED_INTF(0x05c6, 0x9054, 6)}, 1139 {QMI_FIXED_INTF(0x05c6, 0x9055, 3)}, 1140 {QMI_FIXED_INTF(0x05c6, 0x9055, 4)}, 1141 {QMI_FIXED_INTF(0x05c6, 0x9055, 5)}, 1142 {QMI_FIXED_INTF(0x05c6, 0x9055, 6)}, 1143 {QMI_FIXED_INTF(0x05c6, 0x9055, 7)}, 1144 {QMI_FIXED_INTF(0x05c6, 0x9056, 3)}, 1145 {QMI_FIXED_INTF(0x05c6, 0x9062, 2)}, 1146 {QMI_FIXED_INTF(0x05c6, 0x9062, 3)}, 1147 {QMI_FIXED_INTF(0x05c6, 0x9062, 4)}, 1148 {QMI_FIXED_INTF(0x05c6, 0x9062, 5)}, 1149 {QMI_FIXED_INTF(0x05c6, 0x9062, 6)}, 1150 {QMI_FIXED_INTF(0x05c6, 0x9062, 7)}, 1151 {QMI_FIXED_INTF(0x05c6, 0x9062, 8)}, 1152 {QMI_FIXED_INTF(0x05c6, 0x9062, 9)}, 1153 {QMI_FIXED_INTF(0x05c6, 0x9064, 3)}, 1154 {QMI_FIXED_INTF(0x05c6, 0x9065, 6)}, 1155 {QMI_FIXED_INTF(0x05c6, 0x9065, 7)}, 1156 {QMI_FIXED_INTF(0x05c6, 0x9066, 5)}, 1157 {QMI_FIXED_INTF(0x05c6, 0x9066, 6)}, 1158 {QMI_FIXED_INTF(0x05c6, 0x9067, 1)}, 1159 {QMI_FIXED_INTF(0x05c6, 0x9068, 2)}, 1160 {QMI_FIXED_INTF(0x05c6, 0x9068, 3)}, 1161 {QMI_FIXED_INTF(0x05c6, 0x9068, 4)}, 1162 {QMI_FIXED_INTF(0x05c6, 0x9068, 5)}, 1163 {QMI_FIXED_INTF(0x05c6, 0x9068, 6)}, 1164 {QMI_FIXED_INTF(0x05c6, 0x9068, 7)}, 1165 {QMI_FIXED_INTF(0x05c6, 0x9069, 5)}, 1166 {QMI_FIXED_INTF(0x05c6, 0x9069, 6)}, 1167 {QMI_FIXED_INTF(0x05c6, 0x9069, 7)}, 1168 {QMI_FIXED_INTF(0x05c6, 0x9069, 8)}, 1169 {QMI_FIXED_INTF(0x05c6, 0x9070, 4)}, 1170 {QMI_FIXED_INTF(0x05c6, 0x9070, 5)}, 1171 {QMI_FIXED_INTF(0x05c6, 0x9075, 5)}, 1172 {QMI_FIXED_INTF(0x05c6, 0x9076, 4)}, 1173 {QMI_FIXED_INTF(0x05c6, 0x9076, 5)}, 1174 {QMI_FIXED_INTF(0x05c6, 0x9076, 6)}, 1175 {QMI_FIXED_INTF(0x05c6, 0x9076, 7)}, 1176 {QMI_FIXED_INTF(0x05c6, 0x9076, 8)}, 1177 {QMI_FIXED_INTF(0x05c6, 0x9077, 3)}, 1178 {QMI_FIXED_INTF(0x05c6, 0x9077, 4)}, 1179 {QMI_FIXED_INTF(0x05c6, 0x9077, 5)}, 1180 {QMI_FIXED_INTF(0x05c6, 0x9077, 6)}, 1181 {QMI_FIXED_INTF(0x05c6, 0x9078, 3)}, 1182 {QMI_FIXED_INTF(0x05c6, 0x9079, 4)}, 1183 {QMI_FIXED_INTF(0x05c6, 0x9079, 5)}, 1184 {QMI_FIXED_INTF(0x05c6, 0x9079, 6)}, 1185 {QMI_FIXED_INTF(0x05c6, 0x9079, 7)}, 1186 {QMI_FIXED_INTF(0x05c6, 0x9079, 8)}, 1187 {QMI_FIXED_INTF(0x05c6, 0x9080, 5)}, 1188 {QMI_FIXED_INTF(0x05c6, 0x9080, 6)}, 1189 {QMI_FIXED_INTF(0x05c6, 0x9080, 7)}, 1190 {QMI_FIXED_INTF(0x05c6, 0x9080, 8)}, 1191 {QMI_FIXED_INTF(0x05c6, 0x9083, 3)}, 1192 {QMI_FIXED_INTF(0x05c6, 0x9084, 4)}, 1193 {QMI_FIXED_INTF(0x05c6, 0x90b2, 3)}, /* ublox R410M */ 1194 {QMI_FIXED_INTF(0x05c6, 0x920d, 0)}, 1195 {QMI_FIXED_INTF(0x05c6, 0x920d, 5)}, 1196 {QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)}, /* YUGA CLM920-NC5 */ 1197 {QMI_FIXED_INTF(0x0846, 0x68a2, 8)}, 1198 {QMI_FIXED_INTF(0x0846, 0x68d3, 8)}, /* Netgear Aircard 779S */ 1199 {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ 1200 {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */ 1201 {QMI_FIXED_INTF(0x1435, 0x0918, 3)}, /* Wistron NeWeb D16Q1 */ 1202 {QMI_FIXED_INTF(0x1435, 0x0918, 4)}, /* Wistron NeWeb D16Q1 */ 1203 {QMI_FIXED_INTF(0x1435, 0x0918, 5)}, /* Wistron NeWeb D16Q1 */ 1204 {QMI_FIXED_INTF(0x1435, 0x3185, 4)}, /* Wistron NeWeb M18Q5 */ 1205 {QMI_FIXED_INTF(0x1435, 0xd111, 4)}, /* M9615A DM11-1 D51QC */ 1206 {QMI_FIXED_INTF(0x1435, 0xd181, 3)}, /* Wistron NeWeb D18Q1 */ 1207 {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */ 1208 {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */ 1209 {QMI_FIXED_INTF(0x1435, 0xd182, 4)}, /* Wistron NeWeb D18 */ 1210 {QMI_FIXED_INTF(0x1435, 0xd182, 5)}, /* Wistron NeWeb D18 */ 1211 {QMI_FIXED_INTF(0x1435, 0xd191, 4)}, /* Wistron NeWeb D19Q1 */ 1212 {QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)}, /* Fibocom NL668 series */ 1213 {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ 1214 {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */ 1215 {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */ 1216 {QMI_FIXED_INTF(0x16d8, 0x6280, 0)}, /* CMOTech CHU-628 */ 1217 {QMI_FIXED_INTF(0x16d8, 0x7001, 0)}, /* CMOTech CHU-720S */ 1218 {QMI_FIXED_INTF(0x16d8, 0x7002, 0)}, /* CMOTech 7002 */ 1219 {QMI_FIXED_INTF(0x16d8, 0x7003, 4)}, /* CMOTech CHU-629K */ 1220 {QMI_FIXED_INTF(0x16d8, 0x7004, 3)}, /* CMOTech 7004 */ 1221 {QMI_FIXED_INTF(0x16d8, 0x7006, 5)}, /* CMOTech CGU-629 */ 1222 {QMI_FIXED_INTF(0x16d8, 0x700a, 4)}, /* CMOTech CHU-629S */ 1223 {QMI_FIXED_INTF(0x16d8, 0x7211, 0)}, /* CMOTech CHU-720I */ 1224 {QMI_FIXED_INTF(0x16d8, 0x7212, 0)}, /* CMOTech 7212 */ 1225 {QMI_FIXED_INTF(0x16d8, 0x7213, 0)}, /* CMOTech 7213 */ 1226 {QMI_FIXED_INTF(0x16d8, 0x7251, 1)}, /* CMOTech 7251 */ 1227 {QMI_FIXED_INTF(0x16d8, 0x7252, 1)}, /* CMOTech 7252 */ 1228 {QMI_FIXED_INTF(0x16d8, 0x7253, 1)}, /* CMOTech 7253 */ 1229 {QMI_FIXED_INTF(0x19d2, 0x0002, 1)}, 1230 {QMI_FIXED_INTF(0x19d2, 0x0012, 1)}, 1231 {QMI_FIXED_INTF(0x19d2, 0x0017, 3)}, 1232 {QMI_FIXED_INTF(0x19d2, 0x0019, 3)}, /* ONDA MT689DC */ 1233 {QMI_FIXED_INTF(0x19d2, 0x0021, 4)}, 1234 {QMI_FIXED_INTF(0x19d2, 0x0025, 1)}, 1235 {QMI_FIXED_INTF(0x19d2, 0x0031, 4)}, 1236 {QMI_FIXED_INTF(0x19d2, 0x0042, 4)}, 1237 {QMI_FIXED_INTF(0x19d2, 0x0049, 5)}, 1238 {QMI_FIXED_INTF(0x19d2, 0x0052, 4)}, 1239 {QMI_FIXED_INTF(0x19d2, 0x0055, 1)}, /* ZTE (Vodafone) K3520-Z */ 1240 {QMI_FIXED_INTF(0x19d2, 0x0058, 4)}, 1241 {QMI_FIXED_INTF(0x19d2, 0x0063, 4)}, /* ZTE (Vodafone) K3565-Z */ 1242 {QMI_FIXED_INTF(0x19d2, 0x0104, 4)}, /* ZTE (Vodafone) K4505-Z */ 1243 {QMI_FIXED_INTF(0x19d2, 0x0113, 5)}, 1244 {QMI_FIXED_INTF(0x19d2, 0x0118, 5)}, 1245 {QMI_FIXED_INTF(0x19d2, 0x0121, 5)}, 1246 {QMI_FIXED_INTF(0x19d2, 0x0123, 4)}, 1247 {QMI_FIXED_INTF(0x19d2, 0x0124, 5)}, 1248 {QMI_FIXED_INTF(0x19d2, 0x0125, 6)}, 1249 {QMI_FIXED_INTF(0x19d2, 0x0126, 5)}, 1250 {QMI_FIXED_INTF(0x19d2, 0x0130, 1)}, 1251 {QMI_FIXED_INTF(0x19d2, 0x0133, 3)}, 1252 {QMI_FIXED_INTF(0x19d2, 0x0141, 5)}, 1253 {QMI_FIXED_INTF(0x19d2, 0x0157, 5)}, /* ZTE MF683 */ 1254 {QMI_FIXED_INTF(0x19d2, 0x0158, 3)}, 1255 {QMI_FIXED_INTF(0x19d2, 0x0167, 4)}, /* ZTE MF820D */ 1256 {QMI_FIXED_INTF(0x19d2, 0x0168, 4)}, 1257 {QMI_FIXED_INTF(0x19d2, 0x0176, 3)}, 1258 {QMI_FIXED_INTF(0x19d2, 0x0178, 3)}, 1259 {QMI_FIXED_INTF(0x19d2, 0x0191, 4)}, /* ZTE EuFi890 */ 1260 {QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */ 1261 {QMI_FIXED_INTF(0x19d2, 0x0200, 1)}, 1262 {QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */ 1263 {QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */ 1264 {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */ 1265 {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */ 1266 {QMI_FIXED_INTF(0x19d2, 0x0396, 3)}, /* ZTE ZM8620 */ 1267 {QMI_FIXED_INTF(0x19d2, 0x0412, 4)}, /* Telewell TW-LTE 4G */ 1268 {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */ 1269 {QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */ 1270 {QMI_FIXED_INTF(0x19d2, 0x1012, 4)}, 1271 {QMI_FIXED_INTF(0x19d2, 0x1018, 3)}, /* ZTE (Vodafone) K5006-Z */ 1272 {QMI_FIXED_INTF(0x19d2, 0x1021, 2)}, 1273 {QMI_FIXED_INTF(0x19d2, 0x1245, 4)}, 1274 {QMI_FIXED_INTF(0x19d2, 0x1247, 4)}, 1275 {QMI_FIXED_INTF(0x19d2, 0x1252, 4)}, 1276 {QMI_FIXED_INTF(0x19d2, 0x1254, 4)}, 1277 {QMI_FIXED_INTF(0x19d2, 0x1255, 3)}, 1278 {QMI_FIXED_INTF(0x19d2, 0x1255, 4)}, 1279 {QMI_FIXED_INTF(0x19d2, 0x1256, 4)}, 1280 {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */ 1281 {QMI_FIXED_INTF(0x19d2, 0x1401, 2)}, 1282 {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */ 1283 {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, 1284 {QMI_FIXED_INTF(0x19d2, 0x1425, 2)}, 1285 {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */ 1286 {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */ 1287 {QMI_FIXED_INTF(0x19d2, 0x1432, 3)}, /* ZTE ME3620 */ 1288 {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ 1289 {QMI_FIXED_INTF(0x2001, 0x7e16, 3)}, /* D-Link DWM-221 */ 1290 {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */ 1291 {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */ 1292 {QMI_FIXED_INTF(0x2001, 0x7e3d, 4)}, /* D-Link DWM-222 A2 */ 1293 {QMI_FIXED_INTF(0x2020, 0x2031, 4)}, /* Olicard 600 */ 1294 {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */ 1295 {QMI_FIXED_INTF(0x2020, 0x2060, 4)}, /* BroadMobi BM818 */ 1296 {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ 1297 {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ 1298 {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ 1299 {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ 1300 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354, WP76xx */ 1301 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 10)},/* Sierra Wireless MC7304/MC7354 */ 1302 {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ 1303 {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */ 1304 {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */ 1305 {QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */ 1306 {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ 1307 {QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */ 1308 {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */ 1309 {QMI_FIXED_INTF(0x1199, 0x9055, 8)}, /* Netgear AirCard 341U */ 1310 {QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */ 1311 {QMI_FIXED_INTF(0x1199, 0x9057, 8)}, 1312 {QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */ 1313 {QMI_FIXED_INTF(0x1199, 0x9063, 8)}, /* Sierra Wireless EM7305 */ 1314 {QMI_FIXED_INTF(0x1199, 0x9063, 10)}, /* Sierra Wireless EM7305 */ 1315 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 8)}, /* Sierra Wireless MC74xx */ 1316 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 10)},/* Sierra Wireless MC74xx */ 1317 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 8)}, /* Sierra Wireless EM74xx */ 1318 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 10)},/* Sierra Wireless EM74xx */ 1319 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 8)}, /* Sierra Wireless EM74xx */ 1320 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 10)},/* Sierra Wireless EM74xx */ 1321 {QMI_QUIRK_SET_DTR(0x1199, 0x9091, 8)}, /* Sierra Wireless EM7565 */ 1322 {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ 1323 {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */ 1324 {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ 1325 {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ 1326 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ 1327 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */ 1328 {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ 1329 {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */ 1330 {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ 1331 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */ 1332 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)}, /* Telit LE910Cx */ 1333 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)}, /* Telit LE910Cx */ 1334 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */ 1335 {QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */ 1336 {QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */ 1337 {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ 1338 {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ 1339 {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ 1340 {QMI_FIXED_INTF(0x0b3c, 0xc002, 4)}, /* Olivetti Olicard 140 */ 1341 {QMI_FIXED_INTF(0x0b3c, 0xc004, 6)}, /* Olivetti Olicard 155 */ 1342 {QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */ 1343 {QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */ 1344 {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */ 1345 {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ 1346 {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */ 1347 {QMI_FIXED_INTF(0x1e2d, 0x0063, 10)}, /* Cinterion ALASxx (1 RmNet) */ 1348 {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1349 {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1350 {QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/ 1351 {QMI_QUIRK_SET_DTR(0x1e2d, 0x00b0, 4)}, /* Cinterion CLS8 */ 1352 {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ 1353 {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ 1354 {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ 1355 {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ 1356 {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ 1357 {QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ 1358 {QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ 1359 {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */ 1360 {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */ 1361 {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */ 1362 {QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */ 1363 {QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/ 1364 {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ 1365 {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ 1366 {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ 1367 {QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */ 1368 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */ 1369 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */ 1370 {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ 1371 {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */ 1372 {QMI_FIXED_INTF(0x0489, 0xe0b4, 0)}, /* Foxconn T77W968 LTE */ 1373 {QMI_FIXED_INTF(0x0489, 0xe0b5, 0)}, /* Foxconn T77W968 LTE with eSIM support*/ 1374 1375 /* 4. Gobi 1000 devices */ 1376 {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ 1377 {QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ 1378 {QMI_GOBI1K_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ 1379 {QMI_GOBI1K_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ 1380 {QMI_GOBI1K_DEVICE(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */ 1381 {QMI_GOBI1K_DEVICE(0x1410, 0xa002)}, /* Novatel Gobi Modem device */ 1382 {QMI_GOBI1K_DEVICE(0x1410, 0xa003)}, /* Novatel Gobi Modem device */ 1383 {QMI_GOBI1K_DEVICE(0x1410, 0xa004)}, /* Novatel Gobi Modem device */ 1384 {QMI_GOBI1K_DEVICE(0x1410, 0xa005)}, /* Novatel Gobi Modem device */ 1385 {QMI_GOBI1K_DEVICE(0x1410, 0xa006)}, /* Novatel Gobi Modem device */ 1386 {QMI_GOBI1K_DEVICE(0x1410, 0xa007)}, /* Novatel Gobi Modem device */ 1387 {QMI_GOBI1K_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ 1388 {QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ 1389 {QMI_GOBI1K_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ 1390 {QMI_GOBI1K_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ 1391 {QMI_GOBI1K_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ 1392 {QMI_GOBI1K_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ 1393 {QMI_GOBI1K_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ 1394 {QMI_GOBI1K_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ 1395 1396 /* 5. Gobi 2000 and 3000 devices */ 1397 {QMI_GOBI_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ 1398 {QMI_GOBI_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ 1399 {QMI_GOBI_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ 1400 {QMI_GOBI_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ 1401 {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ 1402 {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ 1403 {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ 1404 {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */ 1405 {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ 1406 {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ 1407 {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ 1408 {QMI_GOBI_DEVICE(0x0af0, 0x8120)}, /* Option GTM681W */ 1409 {QMI_GOBI_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */ 1410 {QMI_GOBI_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */ 1411 {QMI_GOBI_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1412 {QMI_GOBI_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1413 {QMI_GOBI_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1414 {QMI_GOBI_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1415 {QMI_GOBI_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1416 {QMI_GOBI_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1417 {QMI_GOBI_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1418 {QMI_GOBI_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1419 {QMI_GOBI_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1420 {QMI_GOBI_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1421 {QMI_GOBI_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ 1422 {QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ 1423 {QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ 1424 {QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ 1425 {QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ 1426 {QMI_GOBI_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ 1427 {QMI_GOBI_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ 1428 {QMI_GOBI_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ 1429 {QMI_GOBI_DEVICE(0x12d1, 0x14f1)}, /* Sony Gobi 3000 Composite */ 1430 {QMI_GOBI_DEVICE(0x1410, 0xa021)}, /* Foxconn Gobi 3000 Modem device (Novatel E396) */ 1431 1432 { } /* END */ 1433 }; 1434 MODULE_DEVICE_TABLE(usb, products); 1435 1436 static bool quectel_ec20_detected(struct usb_interface *intf) 1437 { 1438 struct usb_device *dev = interface_to_usbdev(intf); 1439 1440 if (dev->actconfig && 1441 le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 && 1442 le16_to_cpu(dev->descriptor.idProduct) == 0x9215 && 1443 dev->actconfig->desc.bNumInterfaces == 5) 1444 return true; 1445 1446 return false; 1447 } 1448 1449 static int qmi_wwan_probe(struct usb_interface *intf, 1450 const struct usb_device_id *prod) 1451 { 1452 struct usb_device_id *id = (struct usb_device_id *)prod; 1453 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 1454 1455 /* Workaround to enable dynamic IDs. This disables usbnet 1456 * blacklisting functionality. Which, if required, can be 1457 * reimplemented here by using a magic "blacklist" value 1458 * instead of 0 in the static device id table 1459 */ 1460 if (!id->driver_info) { 1461 dev_dbg(&intf->dev, "setting defaults for dynamic device id\n"); 1462 id->driver_info = (unsigned long)&qmi_wwan_info; 1463 } 1464 1465 /* There are devices where the same interface number can be 1466 * configured as different functions. We should only bind to 1467 * vendor specific functions when matching on interface number 1468 */ 1469 if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER && 1470 desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) { 1471 dev_dbg(&intf->dev, 1472 "Rejecting interface number match for class %02x\n", 1473 desc->bInterfaceClass); 1474 return -ENODEV; 1475 } 1476 1477 /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */ 1478 if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) { 1479 dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n"); 1480 return -ENODEV; 1481 } 1482 1483 /* Several Quectel modems supports dynamic interface configuration, so 1484 * we need to match on class/subclass/protocol. These values are 1485 * identical for the diagnostic- and QMI-interface, but bNumEndpoints is 1486 * different. Ignore the current interface if the number of endpoints 1487 * equals the number for the diag interface (two). 1488 */ 1489 if (desc->bNumEndpoints == 2) 1490 return -ENODEV; 1491 1492 return usbnet_probe(intf, id); 1493 } 1494 1495 static void qmi_wwan_disconnect(struct usb_interface *intf) 1496 { 1497 struct usbnet *dev = usb_get_intfdata(intf); 1498 struct qmi_wwan_state *info; 1499 struct list_head *iter; 1500 struct net_device *ldev; 1501 LIST_HEAD(list); 1502 1503 /* called twice if separate control and data intf */ 1504 if (!dev) 1505 return; 1506 info = (void *)&dev->data; 1507 if (info->flags & QMI_WWAN_FLAG_MUX) { 1508 if (!rtnl_trylock()) { 1509 restart_syscall(); 1510 return; 1511 } 1512 rcu_read_lock(); 1513 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) 1514 qmimux_unregister_device(ldev, &list); 1515 rcu_read_unlock(); 1516 unregister_netdevice_many(&list); 1517 rtnl_unlock(); 1518 info->flags &= ~QMI_WWAN_FLAG_MUX; 1519 } 1520 usbnet_disconnect(intf); 1521 } 1522 1523 static struct usb_driver qmi_wwan_driver = { 1524 .name = "qmi_wwan", 1525 .id_table = products, 1526 .probe = qmi_wwan_probe, 1527 .disconnect = qmi_wwan_disconnect, 1528 .suspend = qmi_wwan_suspend, 1529 .resume = qmi_wwan_resume, 1530 .reset_resume = qmi_wwan_resume, 1531 .supports_autosuspend = 1, 1532 .disable_hub_initiated_lpm = 1, 1533 }; 1534 1535 module_usb_driver(qmi_wwan_driver); 1536 1537 MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>"); 1538 MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver"); 1539 MODULE_LICENSE("GPL"); 1540