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 QMI_WWAN_FLAG_PASS_THROUGH = 1 << 2, 61 }; 62 63 enum qmi_wwan_quirks { 64 QMI_WWAN_QUIRK_DTR = 1 << 0, /* needs "set DTR" request */ 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 }; 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 dev_sw_netstats_tx_add(dev, 1, len); 113 else 114 dev->stats.tx_dropped++; 115 116 return ret; 117 } 118 119 static const struct net_device_ops qmimux_netdev_ops = { 120 .ndo_open = qmimux_open, 121 .ndo_stop = qmimux_stop, 122 .ndo_start_xmit = qmimux_start_xmit, 123 .ndo_get_stats64 = dev_get_tstats64, 124 }; 125 126 static void qmimux_setup(struct net_device *dev) 127 { 128 dev->header_ops = NULL; /* No header */ 129 dev->type = ARPHRD_NONE; 130 dev->hard_header_len = 0; 131 dev->addr_len = 0; 132 dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 133 dev->netdev_ops = &qmimux_netdev_ops; 134 dev->mtu = 1500; 135 dev->needs_free_netdev = true; 136 } 137 138 static struct net_device *qmimux_find_dev(struct usbnet *dev, u8 mux_id) 139 { 140 struct qmimux_priv *priv; 141 struct list_head *iter; 142 struct net_device *ldev; 143 144 rcu_read_lock(); 145 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) { 146 priv = netdev_priv(ldev); 147 if (priv->mux_id == mux_id) { 148 rcu_read_unlock(); 149 return ldev; 150 } 151 } 152 rcu_read_unlock(); 153 return NULL; 154 } 155 156 static bool qmimux_has_slaves(struct usbnet *dev) 157 { 158 return !list_empty(&dev->net->adj_list.upper); 159 } 160 161 static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 162 { 163 unsigned int len, offset = 0, pad_len, pkt_len; 164 struct qmimux_hdr *hdr; 165 struct net_device *net; 166 struct sk_buff *skbn; 167 u8 qmimux_hdr_sz = sizeof(*hdr); 168 169 while (offset + qmimux_hdr_sz < skb->len) { 170 hdr = (struct qmimux_hdr *)(skb->data + offset); 171 len = be16_to_cpu(hdr->pkt_len); 172 173 /* drop the packet, bogus length */ 174 if (offset + len + qmimux_hdr_sz > skb->len) 175 return 0; 176 177 /* control packet, we do not know what to do */ 178 if (hdr->pad & 0x80) 179 goto skip; 180 181 /* extract padding length and check for valid length info */ 182 pad_len = hdr->pad & 0x3f; 183 if (len == 0 || pad_len >= len) 184 goto skip; 185 pkt_len = len - pad_len; 186 187 net = qmimux_find_dev(dev, hdr->mux_id); 188 if (!net) 189 goto skip; 190 skbn = netdev_alloc_skb(net, pkt_len + LL_MAX_HEADER); 191 if (!skbn) 192 return 0; 193 skbn->dev = net; 194 195 switch (skb->data[offset + qmimux_hdr_sz] & 0xf0) { 196 case 0x40: 197 skbn->protocol = htons(ETH_P_IP); 198 break; 199 case 0x60: 200 skbn->protocol = htons(ETH_P_IPV6); 201 break; 202 default: 203 /* not ip - do not know what to do */ 204 goto skip; 205 } 206 207 skb_reserve(skbn, LL_MAX_HEADER); 208 skb_put_data(skbn, skb->data + offset + qmimux_hdr_sz, pkt_len); 209 if (netif_rx(skbn) != NET_RX_SUCCESS) { 210 net->stats.rx_errors++; 211 return 0; 212 } else { 213 dev_sw_netstats_rx_add(net, pkt_len); 214 } 215 216 skip: 217 offset += len + qmimux_hdr_sz; 218 } 219 return 1; 220 } 221 222 static ssize_t mux_id_show(struct device *d, struct device_attribute *attr, char *buf) 223 { 224 struct net_device *dev = to_net_dev(d); 225 struct qmimux_priv *priv; 226 227 priv = netdev_priv(dev); 228 229 return sysfs_emit(buf, "0x%02x\n", priv->mux_id); 230 } 231 232 static DEVICE_ATTR_RO(mux_id); 233 234 static struct attribute *qmi_wwan_sysfs_qmimux_attrs[] = { 235 &dev_attr_mux_id.attr, 236 NULL, 237 }; 238 239 static struct attribute_group qmi_wwan_sysfs_qmimux_attr_group = { 240 .name = "qmap", 241 .attrs = qmi_wwan_sysfs_qmimux_attrs, 242 }; 243 244 static int qmimux_register_device(struct net_device *real_dev, u8 mux_id) 245 { 246 struct net_device *new_dev; 247 struct qmimux_priv *priv; 248 int err; 249 250 new_dev = alloc_netdev(sizeof(struct qmimux_priv), 251 "qmimux%d", NET_NAME_UNKNOWN, qmimux_setup); 252 if (!new_dev) 253 return -ENOBUFS; 254 255 dev_net_set(new_dev, dev_net(real_dev)); 256 priv = netdev_priv(new_dev); 257 priv->mux_id = mux_id; 258 priv->real_dev = real_dev; 259 260 new_dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); 261 if (!new_dev->tstats) { 262 err = -ENOBUFS; 263 goto out_free_newdev; 264 } 265 266 new_dev->sysfs_groups[0] = &qmi_wwan_sysfs_qmimux_attr_group; 267 268 err = register_netdevice(new_dev); 269 if (err < 0) 270 goto out_free_newdev; 271 272 /* Account for reference in struct qmimux_priv_priv */ 273 dev_hold(real_dev); 274 275 err = netdev_upper_dev_link(real_dev, new_dev, NULL); 276 if (err) 277 goto out_unregister_netdev; 278 279 netif_stacked_transfer_operstate(real_dev, new_dev); 280 281 return 0; 282 283 out_unregister_netdev: 284 unregister_netdevice(new_dev); 285 dev_put(real_dev); 286 287 out_free_newdev: 288 free_netdev(new_dev); 289 return err; 290 } 291 292 static void qmimux_unregister_device(struct net_device *dev, 293 struct list_head *head) 294 { 295 struct qmimux_priv *priv = netdev_priv(dev); 296 struct net_device *real_dev = priv->real_dev; 297 298 free_percpu(dev->tstats); 299 netdev_upper_dev_unlink(real_dev, dev); 300 unregister_netdevice_queue(dev, head); 301 302 /* Get rid of the reference to real_dev */ 303 dev_put(real_dev); 304 } 305 306 static void qmi_wwan_netdev_setup(struct net_device *net) 307 { 308 struct usbnet *dev = netdev_priv(net); 309 struct qmi_wwan_state *info = (void *)&dev->data; 310 311 if (info->flags & QMI_WWAN_FLAG_RAWIP) { 312 net->header_ops = NULL; /* No header */ 313 net->type = ARPHRD_NONE; 314 net->hard_header_len = 0; 315 net->addr_len = 0; 316 net->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 317 set_bit(EVENT_NO_IP_ALIGN, &dev->flags); 318 netdev_dbg(net, "mode: raw IP\n"); 319 } else if (!net->header_ops) { /* don't bother if already set */ 320 ether_setup(net); 321 /* Restoring min/max mtu values set originally by usbnet */ 322 net->min_mtu = 0; 323 net->max_mtu = ETH_MAX_MTU; 324 clear_bit(EVENT_NO_IP_ALIGN, &dev->flags); 325 netdev_dbg(net, "mode: Ethernet\n"); 326 } 327 328 /* recalculate buffers after changing hard_header_len */ 329 usbnet_change_mtu(net, net->mtu); 330 } 331 332 static ssize_t raw_ip_show(struct device *d, struct device_attribute *attr, char *buf) 333 { 334 struct usbnet *dev = netdev_priv(to_net_dev(d)); 335 struct qmi_wwan_state *info = (void *)&dev->data; 336 337 return sprintf(buf, "%c\n", info->flags & QMI_WWAN_FLAG_RAWIP ? 'Y' : 'N'); 338 } 339 340 static ssize_t raw_ip_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 341 { 342 struct usbnet *dev = netdev_priv(to_net_dev(d)); 343 struct qmi_wwan_state *info = (void *)&dev->data; 344 bool enable; 345 int ret; 346 347 if (strtobool(buf, &enable)) 348 return -EINVAL; 349 350 /* no change? */ 351 if (enable == (info->flags & QMI_WWAN_FLAG_RAWIP)) 352 return len; 353 354 /* ip mode cannot be cleared when pass through mode is set */ 355 if (!enable && (info->flags & QMI_WWAN_FLAG_PASS_THROUGH)) { 356 netdev_err(dev->net, 357 "Cannot clear ip mode on pass through device\n"); 358 return -EINVAL; 359 } 360 361 if (!rtnl_trylock()) 362 return restart_syscall(); 363 364 /* we don't want to modify a running netdev */ 365 if (netif_running(dev->net)) { 366 netdev_err(dev->net, "Cannot change a running device\n"); 367 ret = -EBUSY; 368 goto err; 369 } 370 371 /* let other drivers deny the change */ 372 ret = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev->net); 373 ret = notifier_to_errno(ret); 374 if (ret) { 375 netdev_err(dev->net, "Type change was refused\n"); 376 goto err; 377 } 378 379 if (enable) 380 info->flags |= QMI_WWAN_FLAG_RAWIP; 381 else 382 info->flags &= ~QMI_WWAN_FLAG_RAWIP; 383 qmi_wwan_netdev_setup(dev->net); 384 call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev->net); 385 ret = len; 386 err: 387 rtnl_unlock(); 388 return ret; 389 } 390 391 static ssize_t add_mux_show(struct device *d, struct device_attribute *attr, char *buf) 392 { 393 struct net_device *dev = to_net_dev(d); 394 struct qmimux_priv *priv; 395 struct list_head *iter; 396 struct net_device *ldev; 397 ssize_t count = 0; 398 399 rcu_read_lock(); 400 netdev_for_each_upper_dev_rcu(dev, ldev, iter) { 401 priv = netdev_priv(ldev); 402 count += scnprintf(&buf[count], PAGE_SIZE - count, 403 "0x%02x\n", priv->mux_id); 404 } 405 rcu_read_unlock(); 406 return count; 407 } 408 409 static ssize_t add_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 410 { 411 struct usbnet *dev = netdev_priv(to_net_dev(d)); 412 struct qmi_wwan_state *info = (void *)&dev->data; 413 u8 mux_id; 414 int ret; 415 416 if (kstrtou8(buf, 0, &mux_id)) 417 return -EINVAL; 418 419 /* mux_id [1 - 254] for compatibility with ip(8) and the rmnet driver */ 420 if (mux_id < 1 || mux_id > 254) 421 return -EINVAL; 422 423 if (!rtnl_trylock()) 424 return restart_syscall(); 425 426 if (qmimux_find_dev(dev, mux_id)) { 427 netdev_err(dev->net, "mux_id already present\n"); 428 ret = -EINVAL; 429 goto err; 430 } 431 432 ret = qmimux_register_device(dev->net, mux_id); 433 if (!ret) { 434 info->flags |= QMI_WWAN_FLAG_MUX; 435 ret = len; 436 } 437 err: 438 rtnl_unlock(); 439 return ret; 440 } 441 442 static ssize_t del_mux_show(struct device *d, struct device_attribute *attr, char *buf) 443 { 444 return add_mux_show(d, attr, buf); 445 } 446 447 static ssize_t del_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 448 { 449 struct usbnet *dev = netdev_priv(to_net_dev(d)); 450 struct qmi_wwan_state *info = (void *)&dev->data; 451 struct net_device *del_dev; 452 u8 mux_id; 453 int ret = 0; 454 455 if (kstrtou8(buf, 0, &mux_id)) 456 return -EINVAL; 457 458 if (!rtnl_trylock()) 459 return restart_syscall(); 460 461 del_dev = qmimux_find_dev(dev, mux_id); 462 if (!del_dev) { 463 netdev_err(dev->net, "mux_id not present\n"); 464 ret = -EINVAL; 465 goto err; 466 } 467 qmimux_unregister_device(del_dev, NULL); 468 469 if (!qmimux_has_slaves(dev)) 470 info->flags &= ~QMI_WWAN_FLAG_MUX; 471 ret = len; 472 err: 473 rtnl_unlock(); 474 return ret; 475 } 476 477 static ssize_t pass_through_show(struct device *d, 478 struct device_attribute *attr, char *buf) 479 { 480 struct usbnet *dev = netdev_priv(to_net_dev(d)); 481 struct qmi_wwan_state *info; 482 483 info = (void *)&dev->data; 484 return sprintf(buf, "%c\n", 485 info->flags & QMI_WWAN_FLAG_PASS_THROUGH ? 'Y' : 'N'); 486 } 487 488 static ssize_t pass_through_store(struct device *d, 489 struct device_attribute *attr, 490 const char *buf, size_t len) 491 { 492 struct usbnet *dev = netdev_priv(to_net_dev(d)); 493 struct qmi_wwan_state *info; 494 bool enable; 495 496 if (strtobool(buf, &enable)) 497 return -EINVAL; 498 499 info = (void *)&dev->data; 500 501 /* no change? */ 502 if (enable == (info->flags & QMI_WWAN_FLAG_PASS_THROUGH)) 503 return len; 504 505 /* pass through mode can be set for raw ip devices only */ 506 if (!(info->flags & QMI_WWAN_FLAG_RAWIP)) { 507 netdev_err(dev->net, 508 "Cannot set pass through mode on non ip device\n"); 509 return -EINVAL; 510 } 511 512 if (enable) 513 info->flags |= QMI_WWAN_FLAG_PASS_THROUGH; 514 else 515 info->flags &= ~QMI_WWAN_FLAG_PASS_THROUGH; 516 517 return len; 518 } 519 520 static DEVICE_ATTR_RW(raw_ip); 521 static DEVICE_ATTR_RW(add_mux); 522 static DEVICE_ATTR_RW(del_mux); 523 static DEVICE_ATTR_RW(pass_through); 524 525 static struct attribute *qmi_wwan_sysfs_attrs[] = { 526 &dev_attr_raw_ip.attr, 527 &dev_attr_add_mux.attr, 528 &dev_attr_del_mux.attr, 529 &dev_attr_pass_through.attr, 530 NULL, 531 }; 532 533 static struct attribute_group qmi_wwan_sysfs_attr_group = { 534 .name = "qmi", 535 .attrs = qmi_wwan_sysfs_attrs, 536 }; 537 538 /* default ethernet address used by the modem */ 539 static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3}; 540 541 static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00}; 542 543 /* Make up an ethernet header if the packet doesn't have one. 544 * 545 * A firmware bug common among several devices cause them to send raw 546 * IP packets under some circumstances. There is no way for the 547 * driver/host to know when this will happen. And even when the bug 548 * hits, some packets will still arrive with an intact header. 549 * 550 * The supported devices are only capably of sending IPv4, IPv6 and 551 * ARP packets on a point-to-point link. Any packet with an ethernet 552 * header will have either our address or a broadcast/multicast 553 * address as destination. ARP packets will always have a header. 554 * 555 * This means that this function will reliably add the appropriate 556 * header iff necessary, provided our hardware address does not start 557 * with 4 or 6. 558 * 559 * Another common firmware bug results in all packets being addressed 560 * to 00:a0:c6:00:00:00 despite the host address being different. 561 * This function will also fixup such packets. 562 */ 563 static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 564 { 565 struct qmi_wwan_state *info = (void *)&dev->data; 566 bool rawip = info->flags & QMI_WWAN_FLAG_RAWIP; 567 __be16 proto; 568 569 /* This check is no longer done by usbnet */ 570 if (skb->len < dev->net->hard_header_len) 571 return 0; 572 573 if (info->flags & QMI_WWAN_FLAG_MUX) 574 return qmimux_rx_fixup(dev, skb); 575 576 if (info->flags & QMI_WWAN_FLAG_PASS_THROUGH) { 577 skb->protocol = htons(ETH_P_MAP); 578 return 1; 579 } 580 581 switch (skb->data[0] & 0xf0) { 582 case 0x40: 583 proto = htons(ETH_P_IP); 584 break; 585 case 0x60: 586 proto = htons(ETH_P_IPV6); 587 break; 588 case 0x00: 589 if (rawip) 590 return 0; 591 if (is_multicast_ether_addr(skb->data)) 592 return 1; 593 /* possibly bogus destination - rewrite just in case */ 594 skb_reset_mac_header(skb); 595 goto fix_dest; 596 default: 597 if (rawip) 598 return 0; 599 /* pass along other packets without modifications */ 600 return 1; 601 } 602 if (rawip) { 603 skb_reset_mac_header(skb); 604 skb->dev = dev->net; /* normally set by eth_type_trans */ 605 skb->protocol = proto; 606 return 1; 607 } 608 609 if (skb_headroom(skb) < ETH_HLEN) 610 return 0; 611 skb_push(skb, ETH_HLEN); 612 skb_reset_mac_header(skb); 613 eth_hdr(skb)->h_proto = proto; 614 eth_zero_addr(eth_hdr(skb)->h_source); 615 fix_dest: 616 memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN); 617 return 1; 618 } 619 620 /* very simplistic detection of IPv4 or IPv6 headers */ 621 static bool possibly_iphdr(const char *data) 622 { 623 return (data[0] & 0xd0) == 0x40; 624 } 625 626 /* disallow addresses which may be confused with IP headers */ 627 static int qmi_wwan_mac_addr(struct net_device *dev, void *p) 628 { 629 int ret; 630 struct sockaddr *addr = p; 631 632 ret = eth_prepare_mac_addr_change(dev, p); 633 if (ret < 0) 634 return ret; 635 if (possibly_iphdr(addr->sa_data)) 636 return -EADDRNOTAVAIL; 637 eth_commit_mac_addr_change(dev, p); 638 return 0; 639 } 640 641 static const struct net_device_ops qmi_wwan_netdev_ops = { 642 .ndo_open = usbnet_open, 643 .ndo_stop = usbnet_stop, 644 .ndo_start_xmit = usbnet_start_xmit, 645 .ndo_tx_timeout = usbnet_tx_timeout, 646 .ndo_change_mtu = usbnet_change_mtu, 647 .ndo_get_stats64 = dev_get_tstats64, 648 .ndo_set_mac_address = qmi_wwan_mac_addr, 649 .ndo_validate_addr = eth_validate_addr, 650 }; 651 652 /* using a counter to merge subdriver requests with our own into a 653 * combined state 654 */ 655 static int qmi_wwan_manage_power(struct usbnet *dev, int on) 656 { 657 struct qmi_wwan_state *info = (void *)&dev->data; 658 int rv; 659 660 dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__, 661 atomic_read(&info->pmcount), on); 662 663 if ((on && atomic_add_return(1, &info->pmcount) == 1) || 664 (!on && atomic_dec_and_test(&info->pmcount))) { 665 /* need autopm_get/put here to ensure the usbcore sees 666 * the new value 667 */ 668 rv = usb_autopm_get_interface(dev->intf); 669 dev->intf->needs_remote_wakeup = on; 670 if (!rv) 671 usb_autopm_put_interface(dev->intf); 672 } 673 return 0; 674 } 675 676 static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on) 677 { 678 struct usbnet *dev = usb_get_intfdata(intf); 679 680 /* can be called while disconnecting */ 681 if (!dev) 682 return 0; 683 return qmi_wwan_manage_power(dev, on); 684 } 685 686 /* collect all three endpoints and register subdriver */ 687 static int qmi_wwan_register_subdriver(struct usbnet *dev) 688 { 689 int rv; 690 struct usb_driver *subdriver = NULL; 691 struct qmi_wwan_state *info = (void *)&dev->data; 692 693 /* collect bulk endpoints */ 694 rv = usbnet_get_endpoints(dev, info->data); 695 if (rv < 0) 696 goto err; 697 698 /* update status endpoint if separate control interface */ 699 if (info->control != info->data) 700 dev->status = &info->control->cur_altsetting->endpoint[0]; 701 702 /* require interrupt endpoint for subdriver */ 703 if (!dev->status) { 704 rv = -EINVAL; 705 goto err; 706 } 707 708 /* for subdriver power management */ 709 atomic_set(&info->pmcount, 0); 710 711 /* register subdriver */ 712 subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc, 713 4096, WWAN_PORT_QMI, 714 &qmi_wwan_cdc_wdm_manage_power); 715 if (IS_ERR(subdriver)) { 716 dev_err(&info->control->dev, "subdriver registration failed\n"); 717 rv = PTR_ERR(subdriver); 718 goto err; 719 } 720 721 /* prevent usbnet from using status endpoint */ 722 dev->status = NULL; 723 724 /* save subdriver struct for suspend/resume wrappers */ 725 info->subdriver = subdriver; 726 727 err: 728 return rv; 729 } 730 731 /* Send CDC SetControlLineState request, setting or clearing the DTR. 732 * "Required for Autoconnect and 9x30 to wake up" according to the 733 * GobiNet driver. The requirement has been verified on an MDM9230 734 * based Sierra Wireless MC7455 735 */ 736 static int qmi_wwan_change_dtr(struct usbnet *dev, bool on) 737 { 738 u8 intf = dev->intf->cur_altsetting->desc.bInterfaceNumber; 739 740 return usbnet_write_cmd(dev, USB_CDC_REQ_SET_CONTROL_LINE_STATE, 741 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 742 on ? 0x01 : 0x00, intf, NULL, 0); 743 } 744 745 static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) 746 { 747 int status; 748 u8 *buf = intf->cur_altsetting->extra; 749 int len = intf->cur_altsetting->extralen; 750 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 751 struct usb_cdc_union_desc *cdc_union; 752 struct usb_cdc_ether_desc *cdc_ether; 753 struct usb_driver *driver = driver_of(intf); 754 struct qmi_wwan_state *info = (void *)&dev->data; 755 struct usb_cdc_parsed_header hdr; 756 757 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) < 758 sizeof(struct qmi_wwan_state))); 759 760 /* set up initial state */ 761 info->control = intf; 762 info->data = intf; 763 764 /* and a number of CDC descriptors */ 765 cdc_parse_cdc_header(&hdr, intf, buf, len); 766 cdc_union = hdr.usb_cdc_union_desc; 767 cdc_ether = hdr.usb_cdc_ether_desc; 768 769 /* Use separate control and data interfaces if we found a CDC Union */ 770 if (cdc_union) { 771 info->data = usb_ifnum_to_if(dev->udev, 772 cdc_union->bSlaveInterface0); 773 if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 || 774 !info->data) { 775 dev_err(&intf->dev, 776 "bogus CDC Union: master=%u, slave=%u\n", 777 cdc_union->bMasterInterface0, 778 cdc_union->bSlaveInterface0); 779 780 /* ignore and continue... */ 781 cdc_union = NULL; 782 info->data = intf; 783 } 784 } 785 786 /* errors aren't fatal - we can live with the dynamic address */ 787 if (cdc_ether && cdc_ether->wMaxSegmentSize) { 788 dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize); 789 usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress); 790 } 791 792 /* claim data interface and set it up */ 793 if (info->control != info->data) { 794 status = usb_driver_claim_interface(driver, info->data, dev); 795 if (status < 0) 796 goto err; 797 } 798 799 status = qmi_wwan_register_subdriver(dev); 800 if (status < 0 && info->control != info->data) { 801 usb_set_intfdata(info->data, NULL); 802 usb_driver_release_interface(driver, info->data); 803 } 804 805 /* disabling remote wakeup on MDM9x30 devices has the same 806 * effect as clearing DTR. The device will not respond to QMI 807 * requests until we set DTR again. This is similar to a 808 * QMI_CTL SYNC request, clearing a lot of firmware state 809 * including the client ID allocations. 810 * 811 * Our usage model allows a session to span multiple 812 * open/close events, so we must prevent the firmware from 813 * clearing out state the clients might need. 814 * 815 * MDM9x30 is the first QMI chipset with USB3 support. Abuse 816 * this fact to enable the quirk for all USB3 devices. 817 * 818 * There are also chipsets with the same "set DTR" requirement 819 * but without USB3 support. Devices based on these chips 820 * need a quirk flag in the device ID table. 821 */ 822 if (dev->driver_info->data & QMI_WWAN_QUIRK_DTR || 823 le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 824 qmi_wwan_manage_power(dev, 1); 825 qmi_wwan_change_dtr(dev, true); 826 } 827 828 /* Never use the same address on both ends of the link, even if the 829 * buggy firmware told us to. Or, if device is assigned the well-known 830 * buggy firmware MAC address, replace it with a random address, 831 */ 832 if (ether_addr_equal(dev->net->dev_addr, default_modem_addr) || 833 ether_addr_equal(dev->net->dev_addr, buggy_fw_addr)) 834 eth_hw_addr_random(dev->net); 835 836 /* make MAC addr easily distinguishable from an IP header */ 837 if (possibly_iphdr(dev->net->dev_addr)) { 838 dev->net->dev_addr[0] |= 0x02; /* set local assignment bit */ 839 dev->net->dev_addr[0] &= 0xbf; /* clear "IP" bit */ 840 } 841 dev->net->netdev_ops = &qmi_wwan_netdev_ops; 842 dev->net->sysfs_groups[0] = &qmi_wwan_sysfs_attr_group; 843 err: 844 return status; 845 } 846 847 static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf) 848 { 849 struct qmi_wwan_state *info = (void *)&dev->data; 850 struct usb_driver *driver = driver_of(intf); 851 struct usb_interface *other; 852 853 if (info->subdriver && info->subdriver->disconnect) 854 info->subdriver->disconnect(info->control); 855 856 /* disable MDM9x30 quirk */ 857 if (le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 858 qmi_wwan_change_dtr(dev, false); 859 qmi_wwan_manage_power(dev, 0); 860 } 861 862 /* allow user to unbind using either control or data */ 863 if (intf == info->control) 864 other = info->data; 865 else 866 other = info->control; 867 868 /* only if not shared */ 869 if (other && intf != other) { 870 usb_set_intfdata(other, NULL); 871 usb_driver_release_interface(driver, other); 872 } 873 874 info->subdriver = NULL; 875 info->data = NULL; 876 info->control = NULL; 877 } 878 879 /* suspend/resume wrappers calling both usbnet and the cdc-wdm 880 * subdriver if present. 881 * 882 * NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide 883 * wrappers for those without adding usbnet reset support first. 884 */ 885 static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message) 886 { 887 struct usbnet *dev = usb_get_intfdata(intf); 888 struct qmi_wwan_state *info = (void *)&dev->data; 889 int ret; 890 891 /* Both usbnet_suspend() and subdriver->suspend() MUST return 0 892 * in system sleep context, otherwise, the resume callback has 893 * to recover device from previous suspend failure. 894 */ 895 ret = usbnet_suspend(intf, message); 896 if (ret < 0) 897 goto err; 898 899 if (intf == info->control && info->subdriver && 900 info->subdriver->suspend) 901 ret = info->subdriver->suspend(intf, message); 902 if (ret < 0) 903 usbnet_resume(intf); 904 err: 905 return ret; 906 } 907 908 static int qmi_wwan_resume(struct usb_interface *intf) 909 { 910 struct usbnet *dev = usb_get_intfdata(intf); 911 struct qmi_wwan_state *info = (void *)&dev->data; 912 int ret = 0; 913 bool callsub = (intf == info->control && info->subdriver && 914 info->subdriver->resume); 915 916 if (callsub) 917 ret = info->subdriver->resume(intf); 918 if (ret < 0) 919 goto err; 920 ret = usbnet_resume(intf); 921 if (ret < 0 && callsub) 922 info->subdriver->suspend(intf, PMSG_SUSPEND); 923 err: 924 return ret; 925 } 926 927 static const struct driver_info qmi_wwan_info = { 928 .description = "WWAN/QMI device", 929 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 930 .bind = qmi_wwan_bind, 931 .unbind = qmi_wwan_unbind, 932 .manage_power = qmi_wwan_manage_power, 933 .rx_fixup = qmi_wwan_rx_fixup, 934 }; 935 936 static const struct driver_info qmi_wwan_info_quirk_dtr = { 937 .description = "WWAN/QMI device", 938 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 939 .bind = qmi_wwan_bind, 940 .unbind = qmi_wwan_unbind, 941 .manage_power = qmi_wwan_manage_power, 942 .rx_fixup = qmi_wwan_rx_fixup, 943 .data = QMI_WWAN_QUIRK_DTR, 944 }; 945 946 #define HUAWEI_VENDOR_ID 0x12D1 947 948 /* map QMI/wwan function by a fixed interface number */ 949 #define QMI_FIXED_INTF(vend, prod, num) \ 950 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 951 .driver_info = (unsigned long)&qmi_wwan_info 952 953 /* devices requiring "set DTR" quirk */ 954 #define QMI_QUIRK_SET_DTR(vend, prod, num) \ 955 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 956 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 957 958 /* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */ 959 #define QMI_GOBI1K_DEVICE(vend, prod) \ 960 QMI_FIXED_INTF(vend, prod, 3) 961 962 /* Gobi 2000/3000 QMI/wwan interface number is 0 according to qcserial */ 963 #define QMI_GOBI_DEVICE(vend, prod) \ 964 QMI_FIXED_INTF(vend, prod, 0) 965 966 /* Many devices have QMI and DIAG functions which are distinguishable 967 * from other vendor specific functions by class, subclass and 968 * protocol all being 0xff. The DIAG function has exactly 2 endpoints 969 * and is silently rejected when probed. 970 * 971 * This makes it possible to match dynamically numbered QMI functions 972 * as seen on e.g. many Quectel modems. 973 */ 974 #define QMI_MATCH_FF_FF_FF(vend, prod) \ 975 USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_VENDOR_SPEC, \ 976 USB_SUBCLASS_VENDOR_SPEC, 0xff), \ 977 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 978 979 static const struct usb_device_id products[] = { 980 /* 1. CDC ECM like devices match on the control interface */ 981 { /* Huawei E392, E398 and possibly others sharing both device id and more... */ 982 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 9), 983 .driver_info = (unsigned long)&qmi_wwan_info, 984 }, 985 { /* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */ 986 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 57), 987 .driver_info = (unsigned long)&qmi_wwan_info, 988 }, 989 { /* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */ 990 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69), 991 .driver_info = (unsigned long)&qmi_wwan_info, 992 }, 993 { /* Motorola Mapphone devices with MDM6600 */ 994 USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC, 0xfb, 0xff), 995 .driver_info = (unsigned long)&qmi_wwan_info, 996 }, 997 998 /* 2. Combined interface devices matching on class+protocol */ 999 { /* Huawei E367 and possibly others in "Windows mode" */ 1000 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7), 1001 .driver_info = (unsigned long)&qmi_wwan_info, 1002 }, 1003 { /* Huawei E392, E398 and possibly others in "Windows mode" */ 1004 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17), 1005 .driver_info = (unsigned long)&qmi_wwan_info, 1006 }, 1007 { /* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */ 1008 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x37), 1009 .driver_info = (unsigned long)&qmi_wwan_info, 1010 }, 1011 { /* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */ 1012 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x67), 1013 .driver_info = (unsigned long)&qmi_wwan_info, 1014 }, 1015 { /* Pantech UML290, P4200 and more */ 1016 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff), 1017 .driver_info = (unsigned long)&qmi_wwan_info, 1018 }, 1019 { /* Pantech UML290 - newer firmware */ 1020 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff), 1021 .driver_info = (unsigned long)&qmi_wwan_info, 1022 }, 1023 { /* Novatel USB551L and MC551 */ 1024 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001, 1025 USB_CLASS_COMM, 1026 USB_CDC_SUBCLASS_ETHERNET, 1027 USB_CDC_PROTO_NONE), 1028 .driver_info = (unsigned long)&qmi_wwan_info, 1029 }, 1030 { /* Novatel E362 */ 1031 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010, 1032 USB_CLASS_COMM, 1033 USB_CDC_SUBCLASS_ETHERNET, 1034 USB_CDC_PROTO_NONE), 1035 .driver_info = (unsigned long)&qmi_wwan_info, 1036 }, 1037 { /* Novatel Expedite E371 */ 1038 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9011, 1039 USB_CLASS_COMM, 1040 USB_CDC_SUBCLASS_ETHERNET, 1041 USB_CDC_PROTO_NONE), 1042 .driver_info = (unsigned long)&qmi_wwan_info, 1043 }, 1044 { /* Dell Wireless 5800 (Novatel E362) */ 1045 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195, 1046 USB_CLASS_COMM, 1047 USB_CDC_SUBCLASS_ETHERNET, 1048 USB_CDC_PROTO_NONE), 1049 .driver_info = (unsigned long)&qmi_wwan_info, 1050 }, 1051 { /* Dell Wireless 5800 V2 (Novatel E362) */ 1052 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196, 1053 USB_CLASS_COMM, 1054 USB_CDC_SUBCLASS_ETHERNET, 1055 USB_CDC_PROTO_NONE), 1056 .driver_info = (unsigned long)&qmi_wwan_info, 1057 }, 1058 { /* Dell Wireless 5804 (Novatel E371) */ 1059 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b, 1060 USB_CLASS_COMM, 1061 USB_CDC_SUBCLASS_ETHERNET, 1062 USB_CDC_PROTO_NONE), 1063 .driver_info = (unsigned long)&qmi_wwan_info, 1064 }, 1065 { /* ADU960S */ 1066 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, 1067 USB_CLASS_COMM, 1068 USB_CDC_SUBCLASS_ETHERNET, 1069 USB_CDC_PROTO_NONE), 1070 .driver_info = (unsigned long)&qmi_wwan_info, 1071 }, 1072 { /* HP lt2523 (Novatel E371) */ 1073 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 1074 USB_CLASS_COMM, 1075 USB_CDC_SUBCLASS_ETHERNET, 1076 USB_CDC_PROTO_NONE), 1077 .driver_info = (unsigned long)&qmi_wwan_info, 1078 }, 1079 { /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */ 1080 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7), 1081 .driver_info = (unsigned long)&qmi_wwan_info, 1082 }, 1083 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ 1084 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */ 1085 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */ 1086 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0620)}, /* Quectel EM160R-GL */ 1087 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0800)}, /* Quectel RM500Q-GL */ 1088 1089 /* 3. Combined interface devices matching on interface number */ 1090 {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */ 1091 {QMI_FIXED_INTF(0x05c6, 0x6001, 3)}, /* 4G LTE usb-modem U901 */ 1092 {QMI_FIXED_INTF(0x05c6, 0x7000, 0)}, 1093 {QMI_FIXED_INTF(0x05c6, 0x7001, 1)}, 1094 {QMI_FIXED_INTF(0x05c6, 0x7002, 1)}, 1095 {QMI_FIXED_INTF(0x05c6, 0x7101, 1)}, 1096 {QMI_FIXED_INTF(0x05c6, 0x7101, 2)}, 1097 {QMI_FIXED_INTF(0x05c6, 0x7101, 3)}, 1098 {QMI_FIXED_INTF(0x05c6, 0x7102, 1)}, 1099 {QMI_FIXED_INTF(0x05c6, 0x7102, 2)}, 1100 {QMI_FIXED_INTF(0x05c6, 0x7102, 3)}, 1101 {QMI_FIXED_INTF(0x05c6, 0x8000, 7)}, 1102 {QMI_FIXED_INTF(0x05c6, 0x8001, 6)}, 1103 {QMI_FIXED_INTF(0x05c6, 0x9000, 4)}, 1104 {QMI_FIXED_INTF(0x05c6, 0x9003, 4)}, 1105 {QMI_FIXED_INTF(0x05c6, 0x9005, 2)}, 1106 {QMI_FIXED_INTF(0x05c6, 0x900a, 4)}, 1107 {QMI_FIXED_INTF(0x05c6, 0x900b, 2)}, 1108 {QMI_FIXED_INTF(0x05c6, 0x900c, 4)}, 1109 {QMI_FIXED_INTF(0x05c6, 0x900c, 5)}, 1110 {QMI_FIXED_INTF(0x05c6, 0x900c, 6)}, 1111 {QMI_FIXED_INTF(0x05c6, 0x900d, 5)}, 1112 {QMI_FIXED_INTF(0x05c6, 0x900f, 3)}, 1113 {QMI_FIXED_INTF(0x05c6, 0x900f, 4)}, 1114 {QMI_FIXED_INTF(0x05c6, 0x900f, 5)}, 1115 {QMI_FIXED_INTF(0x05c6, 0x9010, 4)}, 1116 {QMI_FIXED_INTF(0x05c6, 0x9010, 5)}, 1117 {QMI_FIXED_INTF(0x05c6, 0x9011, 3)}, 1118 {QMI_FIXED_INTF(0x05c6, 0x9011, 4)}, 1119 {QMI_FIXED_INTF(0x05c6, 0x9021, 1)}, 1120 {QMI_FIXED_INTF(0x05c6, 0x9022, 2)}, 1121 {QMI_QUIRK_SET_DTR(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD LTE (China Mobile) */ 1122 {QMI_FIXED_INTF(0x05c6, 0x9026, 3)}, 1123 {QMI_FIXED_INTF(0x05c6, 0x902e, 5)}, 1124 {QMI_FIXED_INTF(0x05c6, 0x9031, 5)}, 1125 {QMI_FIXED_INTF(0x05c6, 0x9032, 4)}, 1126 {QMI_FIXED_INTF(0x05c6, 0x9033, 3)}, 1127 {QMI_FIXED_INTF(0x05c6, 0x9033, 4)}, 1128 {QMI_FIXED_INTF(0x05c6, 0x9033, 5)}, 1129 {QMI_FIXED_INTF(0x05c6, 0x9033, 6)}, 1130 {QMI_FIXED_INTF(0x05c6, 0x9034, 3)}, 1131 {QMI_FIXED_INTF(0x05c6, 0x9034, 4)}, 1132 {QMI_FIXED_INTF(0x05c6, 0x9034, 5)}, 1133 {QMI_FIXED_INTF(0x05c6, 0x9034, 6)}, 1134 {QMI_FIXED_INTF(0x05c6, 0x9034, 7)}, 1135 {QMI_FIXED_INTF(0x05c6, 0x9035, 4)}, 1136 {QMI_FIXED_INTF(0x05c6, 0x9036, 3)}, 1137 {QMI_FIXED_INTF(0x05c6, 0x9037, 5)}, 1138 {QMI_FIXED_INTF(0x05c6, 0x9038, 4)}, 1139 {QMI_FIXED_INTF(0x05c6, 0x903b, 7)}, 1140 {QMI_FIXED_INTF(0x05c6, 0x903c, 6)}, 1141 {QMI_FIXED_INTF(0x05c6, 0x903d, 6)}, 1142 {QMI_FIXED_INTF(0x05c6, 0x903e, 5)}, 1143 {QMI_FIXED_INTF(0x05c6, 0x9043, 3)}, 1144 {QMI_FIXED_INTF(0x05c6, 0x9046, 3)}, 1145 {QMI_FIXED_INTF(0x05c6, 0x9046, 4)}, 1146 {QMI_FIXED_INTF(0x05c6, 0x9046, 5)}, 1147 {QMI_FIXED_INTF(0x05c6, 0x9047, 2)}, 1148 {QMI_FIXED_INTF(0x05c6, 0x9047, 3)}, 1149 {QMI_FIXED_INTF(0x05c6, 0x9047, 4)}, 1150 {QMI_FIXED_INTF(0x05c6, 0x9048, 4)}, 1151 {QMI_FIXED_INTF(0x05c6, 0x9048, 5)}, 1152 {QMI_FIXED_INTF(0x05c6, 0x9048, 6)}, 1153 {QMI_FIXED_INTF(0x05c6, 0x9048, 7)}, 1154 {QMI_FIXED_INTF(0x05c6, 0x9048, 8)}, 1155 {QMI_FIXED_INTF(0x05c6, 0x904c, 5)}, 1156 {QMI_FIXED_INTF(0x05c6, 0x904c, 6)}, 1157 {QMI_FIXED_INTF(0x05c6, 0x904c, 7)}, 1158 {QMI_FIXED_INTF(0x05c6, 0x904c, 8)}, 1159 {QMI_FIXED_INTF(0x05c6, 0x9050, 3)}, 1160 {QMI_FIXED_INTF(0x05c6, 0x9052, 4)}, 1161 {QMI_FIXED_INTF(0x05c6, 0x9053, 6)}, 1162 {QMI_FIXED_INTF(0x05c6, 0x9053, 7)}, 1163 {QMI_FIXED_INTF(0x05c6, 0x9054, 5)}, 1164 {QMI_FIXED_INTF(0x05c6, 0x9054, 6)}, 1165 {QMI_FIXED_INTF(0x05c6, 0x9055, 3)}, 1166 {QMI_FIXED_INTF(0x05c6, 0x9055, 4)}, 1167 {QMI_FIXED_INTF(0x05c6, 0x9055, 5)}, 1168 {QMI_FIXED_INTF(0x05c6, 0x9055, 6)}, 1169 {QMI_FIXED_INTF(0x05c6, 0x9055, 7)}, 1170 {QMI_FIXED_INTF(0x05c6, 0x9056, 3)}, 1171 {QMI_FIXED_INTF(0x05c6, 0x9062, 2)}, 1172 {QMI_FIXED_INTF(0x05c6, 0x9062, 3)}, 1173 {QMI_FIXED_INTF(0x05c6, 0x9062, 4)}, 1174 {QMI_FIXED_INTF(0x05c6, 0x9062, 5)}, 1175 {QMI_FIXED_INTF(0x05c6, 0x9062, 6)}, 1176 {QMI_FIXED_INTF(0x05c6, 0x9062, 7)}, 1177 {QMI_FIXED_INTF(0x05c6, 0x9062, 8)}, 1178 {QMI_FIXED_INTF(0x05c6, 0x9062, 9)}, 1179 {QMI_FIXED_INTF(0x05c6, 0x9064, 3)}, 1180 {QMI_FIXED_INTF(0x05c6, 0x9065, 6)}, 1181 {QMI_FIXED_INTF(0x05c6, 0x9065, 7)}, 1182 {QMI_FIXED_INTF(0x05c6, 0x9066, 5)}, 1183 {QMI_FIXED_INTF(0x05c6, 0x9066, 6)}, 1184 {QMI_FIXED_INTF(0x05c6, 0x9067, 1)}, 1185 {QMI_FIXED_INTF(0x05c6, 0x9068, 2)}, 1186 {QMI_FIXED_INTF(0x05c6, 0x9068, 3)}, 1187 {QMI_FIXED_INTF(0x05c6, 0x9068, 4)}, 1188 {QMI_FIXED_INTF(0x05c6, 0x9068, 5)}, 1189 {QMI_FIXED_INTF(0x05c6, 0x9068, 6)}, 1190 {QMI_FIXED_INTF(0x05c6, 0x9068, 7)}, 1191 {QMI_FIXED_INTF(0x05c6, 0x9069, 5)}, 1192 {QMI_FIXED_INTF(0x05c6, 0x9069, 6)}, 1193 {QMI_FIXED_INTF(0x05c6, 0x9069, 7)}, 1194 {QMI_FIXED_INTF(0x05c6, 0x9069, 8)}, 1195 {QMI_FIXED_INTF(0x05c6, 0x9070, 4)}, 1196 {QMI_FIXED_INTF(0x05c6, 0x9070, 5)}, 1197 {QMI_FIXED_INTF(0x05c6, 0x9075, 5)}, 1198 {QMI_FIXED_INTF(0x05c6, 0x9076, 4)}, 1199 {QMI_FIXED_INTF(0x05c6, 0x9076, 5)}, 1200 {QMI_FIXED_INTF(0x05c6, 0x9076, 6)}, 1201 {QMI_FIXED_INTF(0x05c6, 0x9076, 7)}, 1202 {QMI_FIXED_INTF(0x05c6, 0x9076, 8)}, 1203 {QMI_FIXED_INTF(0x05c6, 0x9077, 3)}, 1204 {QMI_FIXED_INTF(0x05c6, 0x9077, 4)}, 1205 {QMI_FIXED_INTF(0x05c6, 0x9077, 5)}, 1206 {QMI_FIXED_INTF(0x05c6, 0x9077, 6)}, 1207 {QMI_FIXED_INTF(0x05c6, 0x9078, 3)}, 1208 {QMI_FIXED_INTF(0x05c6, 0x9079, 4)}, 1209 {QMI_FIXED_INTF(0x05c6, 0x9079, 5)}, 1210 {QMI_FIXED_INTF(0x05c6, 0x9079, 6)}, 1211 {QMI_FIXED_INTF(0x05c6, 0x9079, 7)}, 1212 {QMI_FIXED_INTF(0x05c6, 0x9079, 8)}, 1213 {QMI_FIXED_INTF(0x05c6, 0x9080, 5)}, 1214 {QMI_FIXED_INTF(0x05c6, 0x9080, 6)}, 1215 {QMI_FIXED_INTF(0x05c6, 0x9080, 7)}, 1216 {QMI_FIXED_INTF(0x05c6, 0x9080, 8)}, 1217 {QMI_FIXED_INTF(0x05c6, 0x9083, 3)}, 1218 {QMI_FIXED_INTF(0x05c6, 0x9084, 4)}, 1219 {QMI_FIXED_INTF(0x05c6, 0x90b2, 3)}, /* ublox R410M */ 1220 {QMI_FIXED_INTF(0x05c6, 0x920d, 0)}, 1221 {QMI_FIXED_INTF(0x05c6, 0x920d, 5)}, 1222 {QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)}, /* YUGA CLM920-NC5 */ 1223 {QMI_FIXED_INTF(0x0846, 0x68a2, 8)}, 1224 {QMI_FIXED_INTF(0x0846, 0x68d3, 8)}, /* Netgear Aircard 779S */ 1225 {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ 1226 {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */ 1227 {QMI_FIXED_INTF(0x1435, 0x0918, 3)}, /* Wistron NeWeb D16Q1 */ 1228 {QMI_FIXED_INTF(0x1435, 0x0918, 4)}, /* Wistron NeWeb D16Q1 */ 1229 {QMI_FIXED_INTF(0x1435, 0x0918, 5)}, /* Wistron NeWeb D16Q1 */ 1230 {QMI_FIXED_INTF(0x1435, 0x3185, 4)}, /* Wistron NeWeb M18Q5 */ 1231 {QMI_FIXED_INTF(0x1435, 0xd111, 4)}, /* M9615A DM11-1 D51QC */ 1232 {QMI_FIXED_INTF(0x1435, 0xd181, 3)}, /* Wistron NeWeb D18Q1 */ 1233 {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */ 1234 {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */ 1235 {QMI_FIXED_INTF(0x1435, 0xd182, 4)}, /* Wistron NeWeb D18 */ 1236 {QMI_FIXED_INTF(0x1435, 0xd182, 5)}, /* Wistron NeWeb D18 */ 1237 {QMI_FIXED_INTF(0x1435, 0xd191, 4)}, /* Wistron NeWeb D19Q1 */ 1238 {QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)}, /* Fibocom NL668 series */ 1239 {QMI_FIXED_INTF(0x1690, 0x7588, 4)}, /* ASKEY WWHC050 */ 1240 {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ 1241 {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */ 1242 {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */ 1243 {QMI_FIXED_INTF(0x16d8, 0x6280, 0)}, /* CMOTech CHU-628 */ 1244 {QMI_FIXED_INTF(0x16d8, 0x7001, 0)}, /* CMOTech CHU-720S */ 1245 {QMI_FIXED_INTF(0x16d8, 0x7002, 0)}, /* CMOTech 7002 */ 1246 {QMI_FIXED_INTF(0x16d8, 0x7003, 4)}, /* CMOTech CHU-629K */ 1247 {QMI_FIXED_INTF(0x16d8, 0x7004, 3)}, /* CMOTech 7004 */ 1248 {QMI_FIXED_INTF(0x16d8, 0x7006, 5)}, /* CMOTech CGU-629 */ 1249 {QMI_FIXED_INTF(0x16d8, 0x700a, 4)}, /* CMOTech CHU-629S */ 1250 {QMI_FIXED_INTF(0x16d8, 0x7211, 0)}, /* CMOTech CHU-720I */ 1251 {QMI_FIXED_INTF(0x16d8, 0x7212, 0)}, /* CMOTech 7212 */ 1252 {QMI_FIXED_INTF(0x16d8, 0x7213, 0)}, /* CMOTech 7213 */ 1253 {QMI_FIXED_INTF(0x16d8, 0x7251, 1)}, /* CMOTech 7251 */ 1254 {QMI_FIXED_INTF(0x16d8, 0x7252, 1)}, /* CMOTech 7252 */ 1255 {QMI_FIXED_INTF(0x16d8, 0x7253, 1)}, /* CMOTech 7253 */ 1256 {QMI_FIXED_INTF(0x19d2, 0x0002, 1)}, 1257 {QMI_FIXED_INTF(0x19d2, 0x0012, 1)}, 1258 {QMI_FIXED_INTF(0x19d2, 0x0017, 3)}, 1259 {QMI_FIXED_INTF(0x19d2, 0x0019, 3)}, /* ONDA MT689DC */ 1260 {QMI_FIXED_INTF(0x19d2, 0x0021, 4)}, 1261 {QMI_FIXED_INTF(0x19d2, 0x0025, 1)}, 1262 {QMI_FIXED_INTF(0x19d2, 0x0031, 4)}, 1263 {QMI_FIXED_INTF(0x19d2, 0x0042, 4)}, 1264 {QMI_FIXED_INTF(0x19d2, 0x0049, 5)}, 1265 {QMI_FIXED_INTF(0x19d2, 0x0052, 4)}, 1266 {QMI_FIXED_INTF(0x19d2, 0x0055, 1)}, /* ZTE (Vodafone) K3520-Z */ 1267 {QMI_FIXED_INTF(0x19d2, 0x0058, 4)}, 1268 {QMI_FIXED_INTF(0x19d2, 0x0063, 4)}, /* ZTE (Vodafone) K3565-Z */ 1269 {QMI_FIXED_INTF(0x19d2, 0x0104, 4)}, /* ZTE (Vodafone) K4505-Z */ 1270 {QMI_FIXED_INTF(0x19d2, 0x0113, 5)}, 1271 {QMI_FIXED_INTF(0x19d2, 0x0118, 5)}, 1272 {QMI_FIXED_INTF(0x19d2, 0x0121, 5)}, 1273 {QMI_FIXED_INTF(0x19d2, 0x0123, 4)}, 1274 {QMI_FIXED_INTF(0x19d2, 0x0124, 5)}, 1275 {QMI_FIXED_INTF(0x19d2, 0x0125, 6)}, 1276 {QMI_FIXED_INTF(0x19d2, 0x0126, 5)}, 1277 {QMI_FIXED_INTF(0x19d2, 0x0130, 1)}, 1278 {QMI_FIXED_INTF(0x19d2, 0x0133, 3)}, 1279 {QMI_FIXED_INTF(0x19d2, 0x0141, 5)}, 1280 {QMI_FIXED_INTF(0x19d2, 0x0157, 5)}, /* ZTE MF683 */ 1281 {QMI_FIXED_INTF(0x19d2, 0x0158, 3)}, 1282 {QMI_FIXED_INTF(0x19d2, 0x0167, 4)}, /* ZTE MF820D */ 1283 {QMI_FIXED_INTF(0x19d2, 0x0168, 4)}, 1284 {QMI_FIXED_INTF(0x19d2, 0x0176, 3)}, 1285 {QMI_FIXED_INTF(0x19d2, 0x0178, 3)}, 1286 {QMI_FIXED_INTF(0x19d2, 0x0191, 4)}, /* ZTE EuFi890 */ 1287 {QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */ 1288 {QMI_FIXED_INTF(0x19d2, 0x0200, 1)}, 1289 {QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */ 1290 {QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */ 1291 {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */ 1292 {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */ 1293 {QMI_FIXED_INTF(0x19d2, 0x0396, 3)}, /* ZTE ZM8620 */ 1294 {QMI_FIXED_INTF(0x19d2, 0x0412, 4)}, /* Telewell TW-LTE 4G */ 1295 {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */ 1296 {QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */ 1297 {QMI_FIXED_INTF(0x19d2, 0x1012, 4)}, 1298 {QMI_FIXED_INTF(0x19d2, 0x1018, 3)}, /* ZTE (Vodafone) K5006-Z */ 1299 {QMI_FIXED_INTF(0x19d2, 0x1021, 2)}, 1300 {QMI_FIXED_INTF(0x19d2, 0x1245, 4)}, 1301 {QMI_FIXED_INTF(0x19d2, 0x1247, 4)}, 1302 {QMI_FIXED_INTF(0x19d2, 0x1252, 4)}, 1303 {QMI_FIXED_INTF(0x19d2, 0x1254, 4)}, 1304 {QMI_FIXED_INTF(0x19d2, 0x1255, 3)}, 1305 {QMI_FIXED_INTF(0x19d2, 0x1255, 4)}, 1306 {QMI_FIXED_INTF(0x19d2, 0x1256, 4)}, 1307 {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */ 1308 {QMI_FIXED_INTF(0x19d2, 0x1275, 3)}, /* ZTE P685M */ 1309 {QMI_FIXED_INTF(0x19d2, 0x1401, 2)}, 1310 {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */ 1311 {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, 1312 {QMI_FIXED_INTF(0x19d2, 0x1425, 2)}, 1313 {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */ 1314 {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */ 1315 {QMI_FIXED_INTF(0x19d2, 0x1432, 3)}, /* ZTE ME3620 */ 1316 {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ 1317 {QMI_FIXED_INTF(0x2001, 0x7e16, 3)}, /* D-Link DWM-221 */ 1318 {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */ 1319 {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */ 1320 {QMI_FIXED_INTF(0x2001, 0x7e3d, 4)}, /* D-Link DWM-222 A2 */ 1321 {QMI_FIXED_INTF(0x2020, 0x2031, 4)}, /* Olicard 600 */ 1322 {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */ 1323 {QMI_FIXED_INTF(0x2020, 0x2060, 4)}, /* BroadMobi BM818 */ 1324 {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ 1325 {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ 1326 {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ 1327 {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ 1328 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354, WP76xx */ 1329 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 10)},/* Sierra Wireless MC7304/MC7354 */ 1330 {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ 1331 {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */ 1332 {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */ 1333 {QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */ 1334 {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ 1335 {QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */ 1336 {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */ 1337 {QMI_FIXED_INTF(0x1199, 0x9055, 8)}, /* Netgear AirCard 341U */ 1338 {QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */ 1339 {QMI_FIXED_INTF(0x1199, 0x9057, 8)}, 1340 {QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */ 1341 {QMI_FIXED_INTF(0x1199, 0x9063, 8)}, /* Sierra Wireless EM7305 */ 1342 {QMI_FIXED_INTF(0x1199, 0x9063, 10)}, /* Sierra Wireless EM7305 */ 1343 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 8)}, /* Sierra Wireless MC74xx */ 1344 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 10)},/* Sierra Wireless MC74xx */ 1345 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 8)}, /* Sierra Wireless EM74xx */ 1346 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 10)},/* Sierra Wireless EM74xx */ 1347 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 8)}, /* Sierra Wireless EM74xx */ 1348 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 10)},/* Sierra Wireless EM74xx */ 1349 {QMI_QUIRK_SET_DTR(0x1199, 0x9091, 8)}, /* Sierra Wireless EM7565 */ 1350 {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ 1351 {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */ 1352 {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ 1353 {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ 1354 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1031, 3)}, /* Telit LE910C1-EUX */ 1355 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ 1356 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */ 1357 {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ 1358 {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */ 1359 {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ 1360 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */ 1361 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1230, 2)}, /* Telit LE910Cx */ 1362 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)}, /* Telit LE910Cx */ 1363 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)}, /* Telit LE910Cx */ 1364 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */ 1365 {QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */ 1366 {QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */ 1367 {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ 1368 {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ 1369 {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ 1370 {QMI_FIXED_INTF(0x0b3c, 0xc002, 4)}, /* Olivetti Olicard 140 */ 1371 {QMI_FIXED_INTF(0x0b3c, 0xc004, 6)}, /* Olivetti Olicard 155 */ 1372 {QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */ 1373 {QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */ 1374 {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */ 1375 {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ 1376 {QMI_QUIRK_SET_DTR(0x1e2d, 0x006f, 8)}, /* Cinterion PLS83/PLS63 */ 1377 {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */ 1378 {QMI_FIXED_INTF(0x1e2d, 0x0063, 10)}, /* Cinterion ALASxx (1 RmNet) */ 1379 {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1380 {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1381 {QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/ 1382 {QMI_QUIRK_SET_DTR(0x1e2d, 0x00b0, 4)}, /* Cinterion CLS8 */ 1383 {QMI_FIXED_INTF(0x1e2d, 0x00b7, 0)}, /* Cinterion MV31 RmNet */ 1384 {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ 1385 {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ 1386 {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ 1387 {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ 1388 {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ 1389 {QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ 1390 {QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ 1391 {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */ 1392 {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */ 1393 {QMI_FIXED_INTF(0x413c, 0x81cc, 8)}, /* Dell Wireless 5816e */ 1394 {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */ 1395 {QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */ 1396 {QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/ 1397 {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ 1398 {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ 1399 {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ 1400 {QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */ 1401 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */ 1402 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */ 1403 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0195, 4)}, /* Quectel EG95 */ 1404 {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ 1405 {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */ 1406 {QMI_FIXED_INTF(0x0489, 0xe0b4, 0)}, /* Foxconn T77W968 LTE */ 1407 {QMI_FIXED_INTF(0x0489, 0xe0b5, 0)}, /* Foxconn T77W968 LTE with eSIM support*/ 1408 {QMI_FIXED_INTF(0x2692, 0x9025, 4)}, /* Cellient MPL200 (rebranded Qualcomm 05c6:9025) */ 1409 1410 /* 4. Gobi 1000 devices */ 1411 {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ 1412 {QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ 1413 {QMI_GOBI1K_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ 1414 {QMI_GOBI1K_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ 1415 {QMI_GOBI1K_DEVICE(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */ 1416 {QMI_GOBI1K_DEVICE(0x1410, 0xa002)}, /* Novatel Gobi Modem device */ 1417 {QMI_GOBI1K_DEVICE(0x1410, 0xa003)}, /* Novatel Gobi Modem device */ 1418 {QMI_GOBI1K_DEVICE(0x1410, 0xa004)}, /* Novatel Gobi Modem device */ 1419 {QMI_GOBI1K_DEVICE(0x1410, 0xa005)}, /* Novatel Gobi Modem device */ 1420 {QMI_GOBI1K_DEVICE(0x1410, 0xa006)}, /* Novatel Gobi Modem device */ 1421 {QMI_GOBI1K_DEVICE(0x1410, 0xa007)}, /* Novatel Gobi Modem device */ 1422 {QMI_GOBI1K_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ 1423 {QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ 1424 {QMI_GOBI1K_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ 1425 {QMI_GOBI1K_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ 1426 {QMI_GOBI1K_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ 1427 {QMI_GOBI1K_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ 1428 {QMI_GOBI1K_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ 1429 {QMI_GOBI1K_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ 1430 1431 /* 5. Gobi 2000 and 3000 devices */ 1432 {QMI_GOBI_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ 1433 {QMI_GOBI_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ 1434 {QMI_GOBI_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ 1435 {QMI_GOBI_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ 1436 {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ 1437 {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ 1438 {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ 1439 {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */ 1440 {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ 1441 {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ 1442 {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ 1443 {QMI_GOBI_DEVICE(0x0af0, 0x8120)}, /* Option GTM681W */ 1444 {QMI_GOBI_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */ 1445 {QMI_GOBI_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */ 1446 {QMI_GOBI_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1447 {QMI_GOBI_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1448 {QMI_GOBI_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1449 {QMI_GOBI_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1450 {QMI_GOBI_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1451 {QMI_GOBI_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1452 {QMI_GOBI_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1453 {QMI_GOBI_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1454 {QMI_GOBI_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1455 {QMI_GOBI_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1456 {QMI_GOBI_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ 1457 {QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ 1458 {QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ 1459 {QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ 1460 {QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ 1461 {QMI_GOBI_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ 1462 {QMI_GOBI_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ 1463 {QMI_GOBI_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ 1464 {QMI_GOBI_DEVICE(0x12d1, 0x14f1)}, /* Sony Gobi 3000 Composite */ 1465 {QMI_GOBI_DEVICE(0x1410, 0xa021)}, /* Foxconn Gobi 3000 Modem device (Novatel E396) */ 1466 1467 { } /* END */ 1468 }; 1469 MODULE_DEVICE_TABLE(usb, products); 1470 1471 static bool quectel_ec20_detected(struct usb_interface *intf) 1472 { 1473 struct usb_device *dev = interface_to_usbdev(intf); 1474 1475 if (dev->actconfig && 1476 le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 && 1477 le16_to_cpu(dev->descriptor.idProduct) == 0x9215 && 1478 dev->actconfig->desc.bNumInterfaces == 5) 1479 return true; 1480 1481 return false; 1482 } 1483 1484 static int qmi_wwan_probe(struct usb_interface *intf, 1485 const struct usb_device_id *prod) 1486 { 1487 struct usb_device_id *id = (struct usb_device_id *)prod; 1488 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 1489 1490 /* Workaround to enable dynamic IDs. This disables usbnet 1491 * blacklisting functionality. Which, if required, can be 1492 * reimplemented here by using a magic "blacklist" value 1493 * instead of 0 in the static device id table 1494 */ 1495 if (!id->driver_info) { 1496 dev_dbg(&intf->dev, "setting defaults for dynamic device id\n"); 1497 id->driver_info = (unsigned long)&qmi_wwan_info; 1498 } 1499 1500 /* There are devices where the same interface number can be 1501 * configured as different functions. We should only bind to 1502 * vendor specific functions when matching on interface number 1503 */ 1504 if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER && 1505 desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) { 1506 dev_dbg(&intf->dev, 1507 "Rejecting interface number match for class %02x\n", 1508 desc->bInterfaceClass); 1509 return -ENODEV; 1510 } 1511 1512 /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */ 1513 if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) { 1514 dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n"); 1515 return -ENODEV; 1516 } 1517 1518 /* Several Quectel modems supports dynamic interface configuration, so 1519 * we need to match on class/subclass/protocol. These values are 1520 * identical for the diagnostic- and QMI-interface, but bNumEndpoints is 1521 * different. Ignore the current interface if the number of endpoints 1522 * equals the number for the diag interface (two). 1523 */ 1524 if (desc->bNumEndpoints == 2) 1525 return -ENODEV; 1526 1527 return usbnet_probe(intf, id); 1528 } 1529 1530 static void qmi_wwan_disconnect(struct usb_interface *intf) 1531 { 1532 struct usbnet *dev = usb_get_intfdata(intf); 1533 struct qmi_wwan_state *info; 1534 struct list_head *iter; 1535 struct net_device *ldev; 1536 LIST_HEAD(list); 1537 1538 /* called twice if separate control and data intf */ 1539 if (!dev) 1540 return; 1541 info = (void *)&dev->data; 1542 if (info->flags & QMI_WWAN_FLAG_MUX) { 1543 if (!rtnl_trylock()) { 1544 restart_syscall(); 1545 return; 1546 } 1547 rcu_read_lock(); 1548 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) 1549 qmimux_unregister_device(ldev, &list); 1550 rcu_read_unlock(); 1551 unregister_netdevice_many(&list); 1552 rtnl_unlock(); 1553 info->flags &= ~QMI_WWAN_FLAG_MUX; 1554 } 1555 usbnet_disconnect(intf); 1556 } 1557 1558 static struct usb_driver qmi_wwan_driver = { 1559 .name = "qmi_wwan", 1560 .id_table = products, 1561 .probe = qmi_wwan_probe, 1562 .disconnect = qmi_wwan_disconnect, 1563 .suspend = qmi_wwan_suspend, 1564 .resume = qmi_wwan_resume, 1565 .reset_resume = qmi_wwan_resume, 1566 .supports_autosuspend = 1, 1567 .disable_hub_initiated_lpm = 1, 1568 }; 1569 1570 module_usb_driver(qmi_wwan_driver); 1571 1572 MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>"); 1573 MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver"); 1574 MODULE_LICENSE("GPL"); 1575