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; 193 194 switch (skb->data[offset + qmimux_hdr_sz] & 0xf0) { 195 case 0x40: 196 skbn->protocol = htons(ETH_P_IP); 197 break; 198 case 0x60: 199 skbn->protocol = htons(ETH_P_IPV6); 200 break; 201 default: 202 /* not ip - do not know what to do */ 203 goto skip; 204 } 205 206 skb_reserve(skbn, LL_MAX_HEADER); 207 skb_put_data(skbn, skb->data + offset + qmimux_hdr_sz, pkt_len); 208 if (netif_rx(skbn) != NET_RX_SUCCESS) { 209 net->stats.rx_errors++; 210 return 0; 211 } else { 212 dev_sw_netstats_rx_add(net, pkt_len); 213 } 214 215 skip: 216 offset += len + qmimux_hdr_sz; 217 } 218 return 1; 219 } 220 221 static ssize_t mux_id_show(struct device *d, struct device_attribute *attr, char *buf) 222 { 223 struct net_device *dev = to_net_dev(d); 224 struct qmimux_priv *priv; 225 226 priv = netdev_priv(dev); 227 228 return sysfs_emit(buf, "0x%02x\n", priv->mux_id); 229 } 230 231 static DEVICE_ATTR_RO(mux_id); 232 233 static struct attribute *qmi_wwan_sysfs_qmimux_attrs[] = { 234 &dev_attr_mux_id.attr, 235 NULL, 236 }; 237 238 static struct attribute_group qmi_wwan_sysfs_qmimux_attr_group = { 239 .name = "qmap", 240 .attrs = qmi_wwan_sysfs_qmimux_attrs, 241 }; 242 243 static int qmimux_register_device(struct net_device *real_dev, u8 mux_id) 244 { 245 struct net_device *new_dev; 246 struct qmimux_priv *priv; 247 int err; 248 249 new_dev = alloc_netdev(sizeof(struct qmimux_priv), 250 "qmimux%d", NET_NAME_UNKNOWN, qmimux_setup); 251 if (!new_dev) 252 return -ENOBUFS; 253 254 dev_net_set(new_dev, dev_net(real_dev)); 255 priv = netdev_priv(new_dev); 256 priv->mux_id = mux_id; 257 priv->real_dev = real_dev; 258 259 new_dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); 260 if (!new_dev->tstats) { 261 err = -ENOBUFS; 262 goto out_free_newdev; 263 } 264 265 new_dev->sysfs_groups[0] = &qmi_wwan_sysfs_qmimux_attr_group; 266 267 err = register_netdevice(new_dev); 268 if (err < 0) 269 goto out_free_newdev; 270 271 /* Account for reference in struct qmimux_priv_priv */ 272 dev_hold(real_dev); 273 274 err = netdev_upper_dev_link(real_dev, new_dev, NULL); 275 if (err) 276 goto out_unregister_netdev; 277 278 netif_stacked_transfer_operstate(real_dev, new_dev); 279 280 return 0; 281 282 out_unregister_netdev: 283 unregister_netdevice(new_dev); 284 dev_put(real_dev); 285 286 out_free_newdev: 287 free_netdev(new_dev); 288 return err; 289 } 290 291 static void qmimux_unregister_device(struct net_device *dev, 292 struct list_head *head) 293 { 294 struct qmimux_priv *priv = netdev_priv(dev); 295 struct net_device *real_dev = priv->real_dev; 296 297 free_percpu(dev->tstats); 298 netdev_upper_dev_unlink(real_dev, dev); 299 unregister_netdevice_queue(dev, head); 300 301 /* Get rid of the reference to real_dev */ 302 dev_put(real_dev); 303 } 304 305 static void qmi_wwan_netdev_setup(struct net_device *net) 306 { 307 struct usbnet *dev = netdev_priv(net); 308 struct qmi_wwan_state *info = (void *)&dev->data; 309 310 if (info->flags & QMI_WWAN_FLAG_RAWIP) { 311 net->header_ops = NULL; /* No header */ 312 net->type = ARPHRD_NONE; 313 net->hard_header_len = 0; 314 net->addr_len = 0; 315 net->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 316 set_bit(EVENT_NO_IP_ALIGN, &dev->flags); 317 netdev_dbg(net, "mode: raw IP\n"); 318 } else if (!net->header_ops) { /* don't bother if already set */ 319 ether_setup(net); 320 /* Restoring min/max mtu values set originally by usbnet */ 321 net->min_mtu = 0; 322 net->max_mtu = ETH_MAX_MTU; 323 clear_bit(EVENT_NO_IP_ALIGN, &dev->flags); 324 netdev_dbg(net, "mode: Ethernet\n"); 325 } 326 327 /* recalculate buffers after changing hard_header_len */ 328 usbnet_change_mtu(net, net->mtu); 329 } 330 331 static ssize_t raw_ip_show(struct device *d, struct device_attribute *attr, char *buf) 332 { 333 struct usbnet *dev = netdev_priv(to_net_dev(d)); 334 struct qmi_wwan_state *info = (void *)&dev->data; 335 336 return sprintf(buf, "%c\n", info->flags & QMI_WWAN_FLAG_RAWIP ? 'Y' : 'N'); 337 } 338 339 static ssize_t raw_ip_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 340 { 341 struct usbnet *dev = netdev_priv(to_net_dev(d)); 342 struct qmi_wwan_state *info = (void *)&dev->data; 343 bool enable; 344 int ret; 345 346 if (strtobool(buf, &enable)) 347 return -EINVAL; 348 349 /* no change? */ 350 if (enable == (info->flags & QMI_WWAN_FLAG_RAWIP)) 351 return len; 352 353 /* ip mode cannot be cleared when pass through mode is set */ 354 if (!enable && (info->flags & QMI_WWAN_FLAG_PASS_THROUGH)) { 355 netdev_err(dev->net, 356 "Cannot clear ip mode on pass through device\n"); 357 return -EINVAL; 358 } 359 360 if (!rtnl_trylock()) 361 return restart_syscall(); 362 363 /* we don't want to modify a running netdev */ 364 if (netif_running(dev->net)) { 365 netdev_err(dev->net, "Cannot change a running device\n"); 366 ret = -EBUSY; 367 goto err; 368 } 369 370 /* let other drivers deny the change */ 371 ret = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev->net); 372 ret = notifier_to_errno(ret); 373 if (ret) { 374 netdev_err(dev->net, "Type change was refused\n"); 375 goto err; 376 } 377 378 if (enable) 379 info->flags |= QMI_WWAN_FLAG_RAWIP; 380 else 381 info->flags &= ~QMI_WWAN_FLAG_RAWIP; 382 qmi_wwan_netdev_setup(dev->net); 383 call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev->net); 384 ret = len; 385 err: 386 rtnl_unlock(); 387 return ret; 388 } 389 390 static ssize_t add_mux_show(struct device *d, struct device_attribute *attr, char *buf) 391 { 392 struct net_device *dev = to_net_dev(d); 393 struct qmimux_priv *priv; 394 struct list_head *iter; 395 struct net_device *ldev; 396 ssize_t count = 0; 397 398 rcu_read_lock(); 399 netdev_for_each_upper_dev_rcu(dev, ldev, iter) { 400 priv = netdev_priv(ldev); 401 count += scnprintf(&buf[count], PAGE_SIZE - count, 402 "0x%02x\n", priv->mux_id); 403 } 404 rcu_read_unlock(); 405 return count; 406 } 407 408 static ssize_t add_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 409 { 410 struct usbnet *dev = netdev_priv(to_net_dev(d)); 411 struct qmi_wwan_state *info = (void *)&dev->data; 412 u8 mux_id; 413 int ret; 414 415 if (kstrtou8(buf, 0, &mux_id)) 416 return -EINVAL; 417 418 /* mux_id [1 - 254] for compatibility with ip(8) and the rmnet driver */ 419 if (mux_id < 1 || mux_id > 254) 420 return -EINVAL; 421 422 if (!rtnl_trylock()) 423 return restart_syscall(); 424 425 if (qmimux_find_dev(dev, mux_id)) { 426 netdev_err(dev->net, "mux_id already present\n"); 427 ret = -EINVAL; 428 goto err; 429 } 430 431 ret = qmimux_register_device(dev->net, mux_id); 432 if (!ret) { 433 info->flags |= QMI_WWAN_FLAG_MUX; 434 ret = len; 435 } 436 err: 437 rtnl_unlock(); 438 return ret; 439 } 440 441 static ssize_t del_mux_show(struct device *d, struct device_attribute *attr, char *buf) 442 { 443 return add_mux_show(d, attr, buf); 444 } 445 446 static ssize_t del_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 447 { 448 struct usbnet *dev = netdev_priv(to_net_dev(d)); 449 struct qmi_wwan_state *info = (void *)&dev->data; 450 struct net_device *del_dev; 451 u8 mux_id; 452 int ret = 0; 453 454 if (kstrtou8(buf, 0, &mux_id)) 455 return -EINVAL; 456 457 if (!rtnl_trylock()) 458 return restart_syscall(); 459 460 del_dev = qmimux_find_dev(dev, mux_id); 461 if (!del_dev) { 462 netdev_err(dev->net, "mux_id not present\n"); 463 ret = -EINVAL; 464 goto err; 465 } 466 qmimux_unregister_device(del_dev, NULL); 467 468 if (!qmimux_has_slaves(dev)) 469 info->flags &= ~QMI_WWAN_FLAG_MUX; 470 ret = len; 471 err: 472 rtnl_unlock(); 473 return ret; 474 } 475 476 static ssize_t pass_through_show(struct device *d, 477 struct device_attribute *attr, char *buf) 478 { 479 struct usbnet *dev = netdev_priv(to_net_dev(d)); 480 struct qmi_wwan_state *info; 481 482 info = (void *)&dev->data; 483 return sprintf(buf, "%c\n", 484 info->flags & QMI_WWAN_FLAG_PASS_THROUGH ? 'Y' : 'N'); 485 } 486 487 static ssize_t pass_through_store(struct device *d, 488 struct device_attribute *attr, 489 const char *buf, size_t len) 490 { 491 struct usbnet *dev = netdev_priv(to_net_dev(d)); 492 struct qmi_wwan_state *info; 493 bool enable; 494 495 if (strtobool(buf, &enable)) 496 return -EINVAL; 497 498 info = (void *)&dev->data; 499 500 /* no change? */ 501 if (enable == (info->flags & QMI_WWAN_FLAG_PASS_THROUGH)) 502 return len; 503 504 /* pass through mode can be set for raw ip devices only */ 505 if (!(info->flags & QMI_WWAN_FLAG_RAWIP)) { 506 netdev_err(dev->net, 507 "Cannot set pass through mode on non ip device\n"); 508 return -EINVAL; 509 } 510 511 if (enable) 512 info->flags |= QMI_WWAN_FLAG_PASS_THROUGH; 513 else 514 info->flags &= ~QMI_WWAN_FLAG_PASS_THROUGH; 515 516 return len; 517 } 518 519 static DEVICE_ATTR_RW(raw_ip); 520 static DEVICE_ATTR_RW(add_mux); 521 static DEVICE_ATTR_RW(del_mux); 522 static DEVICE_ATTR_RW(pass_through); 523 524 static struct attribute *qmi_wwan_sysfs_attrs[] = { 525 &dev_attr_raw_ip.attr, 526 &dev_attr_add_mux.attr, 527 &dev_attr_del_mux.attr, 528 &dev_attr_pass_through.attr, 529 NULL, 530 }; 531 532 static struct attribute_group qmi_wwan_sysfs_attr_group = { 533 .name = "qmi", 534 .attrs = qmi_wwan_sysfs_attrs, 535 }; 536 537 /* default ethernet address used by the modem */ 538 static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3}; 539 540 static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00}; 541 542 /* Make up an ethernet header if the packet doesn't have one. 543 * 544 * A firmware bug common among several devices cause them to send raw 545 * IP packets under some circumstances. There is no way for the 546 * driver/host to know when this will happen. And even when the bug 547 * hits, some packets will still arrive with an intact header. 548 * 549 * The supported devices are only capably of sending IPv4, IPv6 and 550 * ARP packets on a point-to-point link. Any packet with an ethernet 551 * header will have either our address or a broadcast/multicast 552 * address as destination. ARP packets will always have a header. 553 * 554 * This means that this function will reliably add the appropriate 555 * header iff necessary, provided our hardware address does not start 556 * with 4 or 6. 557 * 558 * Another common firmware bug results in all packets being addressed 559 * to 00:a0:c6:00:00:00 despite the host address being different. 560 * This function will also fixup such packets. 561 */ 562 static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 563 { 564 struct qmi_wwan_state *info = (void *)&dev->data; 565 bool rawip = info->flags & QMI_WWAN_FLAG_RAWIP; 566 __be16 proto; 567 568 /* This check is no longer done by usbnet */ 569 if (skb->len < dev->net->hard_header_len) 570 return 0; 571 572 if (info->flags & QMI_WWAN_FLAG_MUX) 573 return qmimux_rx_fixup(dev, skb); 574 575 if (info->flags & QMI_WWAN_FLAG_PASS_THROUGH) { 576 skb->protocol = htons(ETH_P_MAP); 577 return 1; 578 } 579 580 switch (skb->data[0] & 0xf0) { 581 case 0x40: 582 proto = htons(ETH_P_IP); 583 break; 584 case 0x60: 585 proto = htons(ETH_P_IPV6); 586 break; 587 case 0x00: 588 if (rawip) 589 return 0; 590 if (is_multicast_ether_addr(skb->data)) 591 return 1; 592 /* possibly bogus destination - rewrite just in case */ 593 skb_reset_mac_header(skb); 594 goto fix_dest; 595 default: 596 if (rawip) 597 return 0; 598 /* pass along other packets without modifications */ 599 return 1; 600 } 601 if (rawip) { 602 skb_reset_mac_header(skb); 603 skb->dev = dev->net; /* normally set by eth_type_trans */ 604 skb->protocol = proto; 605 return 1; 606 } 607 608 if (skb_headroom(skb) < ETH_HLEN) 609 return 0; 610 skb_push(skb, ETH_HLEN); 611 skb_reset_mac_header(skb); 612 eth_hdr(skb)->h_proto = proto; 613 eth_zero_addr(eth_hdr(skb)->h_source); 614 fix_dest: 615 memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN); 616 return 1; 617 } 618 619 /* very simplistic detection of IPv4 or IPv6 headers */ 620 static bool possibly_iphdr(const char *data) 621 { 622 return (data[0] & 0xd0) == 0x40; 623 } 624 625 /* disallow addresses which may be confused with IP headers */ 626 static int qmi_wwan_mac_addr(struct net_device *dev, void *p) 627 { 628 int ret; 629 struct sockaddr *addr = p; 630 631 ret = eth_prepare_mac_addr_change(dev, p); 632 if (ret < 0) 633 return ret; 634 if (possibly_iphdr(addr->sa_data)) 635 return -EADDRNOTAVAIL; 636 eth_commit_mac_addr_change(dev, p); 637 return 0; 638 } 639 640 static const struct net_device_ops qmi_wwan_netdev_ops = { 641 .ndo_open = usbnet_open, 642 .ndo_stop = usbnet_stop, 643 .ndo_start_xmit = usbnet_start_xmit, 644 .ndo_tx_timeout = usbnet_tx_timeout, 645 .ndo_change_mtu = usbnet_change_mtu, 646 .ndo_get_stats64 = dev_get_tstats64, 647 .ndo_set_mac_address = qmi_wwan_mac_addr, 648 .ndo_validate_addr = eth_validate_addr, 649 }; 650 651 /* using a counter to merge subdriver requests with our own into a 652 * combined state 653 */ 654 static int qmi_wwan_manage_power(struct usbnet *dev, int on) 655 { 656 struct qmi_wwan_state *info = (void *)&dev->data; 657 int rv; 658 659 dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__, 660 atomic_read(&info->pmcount), on); 661 662 if ((on && atomic_add_return(1, &info->pmcount) == 1) || 663 (!on && atomic_dec_and_test(&info->pmcount))) { 664 /* need autopm_get/put here to ensure the usbcore sees 665 * the new value 666 */ 667 rv = usb_autopm_get_interface(dev->intf); 668 dev->intf->needs_remote_wakeup = on; 669 if (!rv) 670 usb_autopm_put_interface(dev->intf); 671 } 672 return 0; 673 } 674 675 static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on) 676 { 677 struct usbnet *dev = usb_get_intfdata(intf); 678 679 /* can be called while disconnecting */ 680 if (!dev) 681 return 0; 682 return qmi_wwan_manage_power(dev, on); 683 } 684 685 /* collect all three endpoints and register subdriver */ 686 static int qmi_wwan_register_subdriver(struct usbnet *dev) 687 { 688 int rv; 689 struct usb_driver *subdriver = NULL; 690 struct qmi_wwan_state *info = (void *)&dev->data; 691 692 /* collect bulk endpoints */ 693 rv = usbnet_get_endpoints(dev, info->data); 694 if (rv < 0) 695 goto err; 696 697 /* update status endpoint if separate control interface */ 698 if (info->control != info->data) 699 dev->status = &info->control->cur_altsetting->endpoint[0]; 700 701 /* require interrupt endpoint for subdriver */ 702 if (!dev->status) { 703 rv = -EINVAL; 704 goto err; 705 } 706 707 /* for subdriver power management */ 708 atomic_set(&info->pmcount, 0); 709 710 /* register subdriver */ 711 subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc, 712 4096, WWAN_PORT_QMI, 713 &qmi_wwan_cdc_wdm_manage_power); 714 if (IS_ERR(subdriver)) { 715 dev_err(&info->control->dev, "subdriver registration failed\n"); 716 rv = PTR_ERR(subdriver); 717 goto err; 718 } 719 720 /* prevent usbnet from using status endpoint */ 721 dev->status = NULL; 722 723 /* save subdriver struct for suspend/resume wrappers */ 724 info->subdriver = subdriver; 725 726 err: 727 return rv; 728 } 729 730 /* Send CDC SetControlLineState request, setting or clearing the DTR. 731 * "Required for Autoconnect and 9x30 to wake up" according to the 732 * GobiNet driver. The requirement has been verified on an MDM9230 733 * based Sierra Wireless MC7455 734 */ 735 static int qmi_wwan_change_dtr(struct usbnet *dev, bool on) 736 { 737 u8 intf = dev->intf->cur_altsetting->desc.bInterfaceNumber; 738 739 return usbnet_write_cmd(dev, USB_CDC_REQ_SET_CONTROL_LINE_STATE, 740 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 741 on ? 0x01 : 0x00, intf, NULL, 0); 742 } 743 744 static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) 745 { 746 int status; 747 u8 *buf = intf->cur_altsetting->extra; 748 int len = intf->cur_altsetting->extralen; 749 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 750 struct usb_cdc_union_desc *cdc_union; 751 struct usb_cdc_ether_desc *cdc_ether; 752 struct usb_driver *driver = driver_of(intf); 753 struct qmi_wwan_state *info = (void *)&dev->data; 754 struct usb_cdc_parsed_header hdr; 755 756 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) < 757 sizeof(struct qmi_wwan_state))); 758 759 /* set up initial state */ 760 info->control = intf; 761 info->data = intf; 762 763 /* and a number of CDC descriptors */ 764 cdc_parse_cdc_header(&hdr, intf, buf, len); 765 cdc_union = hdr.usb_cdc_union_desc; 766 cdc_ether = hdr.usb_cdc_ether_desc; 767 768 /* Use separate control and data interfaces if we found a CDC Union */ 769 if (cdc_union) { 770 info->data = usb_ifnum_to_if(dev->udev, 771 cdc_union->bSlaveInterface0); 772 if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 || 773 !info->data) { 774 dev_err(&intf->dev, 775 "bogus CDC Union: master=%u, slave=%u\n", 776 cdc_union->bMasterInterface0, 777 cdc_union->bSlaveInterface0); 778 779 /* ignore and continue... */ 780 cdc_union = NULL; 781 info->data = intf; 782 } 783 } 784 785 /* errors aren't fatal - we can live with the dynamic address */ 786 if (cdc_ether && cdc_ether->wMaxSegmentSize) { 787 dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize); 788 usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress); 789 } 790 791 /* claim data interface and set it up */ 792 if (info->control != info->data) { 793 status = usb_driver_claim_interface(driver, info->data, dev); 794 if (status < 0) 795 goto err; 796 } 797 798 status = qmi_wwan_register_subdriver(dev); 799 if (status < 0 && info->control != info->data) { 800 usb_set_intfdata(info->data, NULL); 801 usb_driver_release_interface(driver, info->data); 802 } 803 804 /* disabling remote wakeup on MDM9x30 devices has the same 805 * effect as clearing DTR. The device will not respond to QMI 806 * requests until we set DTR again. This is similar to a 807 * QMI_CTL SYNC request, clearing a lot of firmware state 808 * including the client ID allocations. 809 * 810 * Our usage model allows a session to span multiple 811 * open/close events, so we must prevent the firmware from 812 * clearing out state the clients might need. 813 * 814 * MDM9x30 is the first QMI chipset with USB3 support. Abuse 815 * this fact to enable the quirk for all USB3 devices. 816 * 817 * There are also chipsets with the same "set DTR" requirement 818 * but without USB3 support. Devices based on these chips 819 * need a quirk flag in the device ID table. 820 */ 821 if (dev->driver_info->data & QMI_WWAN_QUIRK_DTR || 822 le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 823 qmi_wwan_manage_power(dev, 1); 824 qmi_wwan_change_dtr(dev, true); 825 } 826 827 /* Never use the same address on both ends of the link, even if the 828 * buggy firmware told us to. Or, if device is assigned the well-known 829 * buggy firmware MAC address, replace it with a random address, 830 */ 831 if (ether_addr_equal(dev->net->dev_addr, default_modem_addr) || 832 ether_addr_equal(dev->net->dev_addr, buggy_fw_addr)) 833 eth_hw_addr_random(dev->net); 834 835 /* make MAC addr easily distinguishable from an IP header */ 836 if (possibly_iphdr(dev->net->dev_addr)) { 837 u8 addr = dev->net->dev_addr[0]; 838 839 addr |= 0x02; /* set local assignment bit */ 840 addr &= 0xbf; /* clear "IP" bit */ 841 dev_addr_mod(dev->net, 0, &addr, 1); 842 } 843 dev->net->netdev_ops = &qmi_wwan_netdev_ops; 844 dev->net->sysfs_groups[0] = &qmi_wwan_sysfs_attr_group; 845 err: 846 return status; 847 } 848 849 static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf) 850 { 851 struct qmi_wwan_state *info = (void *)&dev->data; 852 struct usb_driver *driver = driver_of(intf); 853 struct usb_interface *other; 854 855 if (info->subdriver && info->subdriver->disconnect) 856 info->subdriver->disconnect(info->control); 857 858 /* disable MDM9x30 quirk */ 859 if (le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 860 qmi_wwan_change_dtr(dev, false); 861 qmi_wwan_manage_power(dev, 0); 862 } 863 864 /* allow user to unbind using either control or data */ 865 if (intf == info->control) 866 other = info->data; 867 else 868 other = info->control; 869 870 /* only if not shared */ 871 if (other && intf != other) { 872 usb_set_intfdata(other, NULL); 873 usb_driver_release_interface(driver, other); 874 } 875 876 info->subdriver = NULL; 877 info->data = NULL; 878 info->control = NULL; 879 } 880 881 /* suspend/resume wrappers calling both usbnet and the cdc-wdm 882 * subdriver if present. 883 * 884 * NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide 885 * wrappers for those without adding usbnet reset support first. 886 */ 887 static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message) 888 { 889 struct usbnet *dev = usb_get_intfdata(intf); 890 struct qmi_wwan_state *info = (void *)&dev->data; 891 int ret; 892 893 /* Both usbnet_suspend() and subdriver->suspend() MUST return 0 894 * in system sleep context, otherwise, the resume callback has 895 * to recover device from previous suspend failure. 896 */ 897 ret = usbnet_suspend(intf, message); 898 if (ret < 0) 899 goto err; 900 901 if (intf == info->control && info->subdriver && 902 info->subdriver->suspend) 903 ret = info->subdriver->suspend(intf, message); 904 if (ret < 0) 905 usbnet_resume(intf); 906 err: 907 return ret; 908 } 909 910 static int qmi_wwan_resume(struct usb_interface *intf) 911 { 912 struct usbnet *dev = usb_get_intfdata(intf); 913 struct qmi_wwan_state *info = (void *)&dev->data; 914 int ret = 0; 915 bool callsub = (intf == info->control && info->subdriver && 916 info->subdriver->resume); 917 918 if (callsub) 919 ret = info->subdriver->resume(intf); 920 if (ret < 0) 921 goto err; 922 ret = usbnet_resume(intf); 923 if (ret < 0 && callsub) 924 info->subdriver->suspend(intf, PMSG_SUSPEND); 925 err: 926 return ret; 927 } 928 929 static const struct driver_info qmi_wwan_info = { 930 .description = "WWAN/QMI device", 931 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 932 .bind = qmi_wwan_bind, 933 .unbind = qmi_wwan_unbind, 934 .manage_power = qmi_wwan_manage_power, 935 .rx_fixup = qmi_wwan_rx_fixup, 936 }; 937 938 static const struct driver_info qmi_wwan_info_quirk_dtr = { 939 .description = "WWAN/QMI device", 940 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 941 .bind = qmi_wwan_bind, 942 .unbind = qmi_wwan_unbind, 943 .manage_power = qmi_wwan_manage_power, 944 .rx_fixup = qmi_wwan_rx_fixup, 945 .data = QMI_WWAN_QUIRK_DTR, 946 }; 947 948 #define HUAWEI_VENDOR_ID 0x12D1 949 950 /* map QMI/wwan function by a fixed interface number */ 951 #define QMI_FIXED_INTF(vend, prod, num) \ 952 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 953 .driver_info = (unsigned long)&qmi_wwan_info 954 955 /* devices requiring "set DTR" quirk */ 956 #define QMI_QUIRK_SET_DTR(vend, prod, num) \ 957 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 958 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 959 960 /* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */ 961 #define QMI_GOBI1K_DEVICE(vend, prod) \ 962 QMI_FIXED_INTF(vend, prod, 3) 963 964 /* Gobi 2000/3000 QMI/wwan interface number is 0 according to qcserial */ 965 #define QMI_GOBI_DEVICE(vend, prod) \ 966 QMI_FIXED_INTF(vend, prod, 0) 967 968 /* Many devices have QMI and DIAG functions which are distinguishable 969 * from other vendor specific functions by class, subclass and 970 * protocol all being 0xff. The DIAG function has exactly 2 endpoints 971 * and is silently rejected when probed. 972 * 973 * This makes it possible to match dynamically numbered QMI functions 974 * as seen on e.g. many Quectel modems. 975 */ 976 #define QMI_MATCH_FF_FF_FF(vend, prod) \ 977 USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_VENDOR_SPEC, \ 978 USB_SUBCLASS_VENDOR_SPEC, 0xff), \ 979 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 980 981 static const struct usb_device_id products[] = { 982 /* 1. CDC ECM like devices match on the control interface */ 983 { /* Huawei E392, E398 and possibly others sharing both device id and more... */ 984 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 9), 985 .driver_info = (unsigned long)&qmi_wwan_info, 986 }, 987 { /* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */ 988 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 57), 989 .driver_info = (unsigned long)&qmi_wwan_info, 990 }, 991 { /* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */ 992 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69), 993 .driver_info = (unsigned long)&qmi_wwan_info, 994 }, 995 { /* Motorola Mapphone devices with MDM6600 */ 996 USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC, 0xfb, 0xff), 997 .driver_info = (unsigned long)&qmi_wwan_info, 998 }, 999 1000 /* 2. Combined interface devices matching on class+protocol */ 1001 { /* Huawei E367 and possibly others in "Windows mode" */ 1002 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7), 1003 .driver_info = (unsigned long)&qmi_wwan_info, 1004 }, 1005 { /* Huawei E392, E398 and possibly others in "Windows mode" */ 1006 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17), 1007 .driver_info = (unsigned long)&qmi_wwan_info, 1008 }, 1009 { /* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */ 1010 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x37), 1011 .driver_info = (unsigned long)&qmi_wwan_info, 1012 }, 1013 { /* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */ 1014 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x67), 1015 .driver_info = (unsigned long)&qmi_wwan_info, 1016 }, 1017 { /* Pantech UML290, P4200 and more */ 1018 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff), 1019 .driver_info = (unsigned long)&qmi_wwan_info, 1020 }, 1021 { /* Pantech UML290 - newer firmware */ 1022 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff), 1023 .driver_info = (unsigned long)&qmi_wwan_info, 1024 }, 1025 { /* Novatel USB551L and MC551 */ 1026 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001, 1027 USB_CLASS_COMM, 1028 USB_CDC_SUBCLASS_ETHERNET, 1029 USB_CDC_PROTO_NONE), 1030 .driver_info = (unsigned long)&qmi_wwan_info, 1031 }, 1032 { /* Novatel E362 */ 1033 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010, 1034 USB_CLASS_COMM, 1035 USB_CDC_SUBCLASS_ETHERNET, 1036 USB_CDC_PROTO_NONE), 1037 .driver_info = (unsigned long)&qmi_wwan_info, 1038 }, 1039 { /* Novatel Expedite E371 */ 1040 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9011, 1041 USB_CLASS_COMM, 1042 USB_CDC_SUBCLASS_ETHERNET, 1043 USB_CDC_PROTO_NONE), 1044 .driver_info = (unsigned long)&qmi_wwan_info, 1045 }, 1046 { /* Dell Wireless 5800 (Novatel E362) */ 1047 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195, 1048 USB_CLASS_COMM, 1049 USB_CDC_SUBCLASS_ETHERNET, 1050 USB_CDC_PROTO_NONE), 1051 .driver_info = (unsigned long)&qmi_wwan_info, 1052 }, 1053 { /* Dell Wireless 5800 V2 (Novatel E362) */ 1054 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196, 1055 USB_CLASS_COMM, 1056 USB_CDC_SUBCLASS_ETHERNET, 1057 USB_CDC_PROTO_NONE), 1058 .driver_info = (unsigned long)&qmi_wwan_info, 1059 }, 1060 { /* Dell Wireless 5804 (Novatel E371) */ 1061 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b, 1062 USB_CLASS_COMM, 1063 USB_CDC_SUBCLASS_ETHERNET, 1064 USB_CDC_PROTO_NONE), 1065 .driver_info = (unsigned long)&qmi_wwan_info, 1066 }, 1067 { /* ADU960S */ 1068 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, 1069 USB_CLASS_COMM, 1070 USB_CDC_SUBCLASS_ETHERNET, 1071 USB_CDC_PROTO_NONE), 1072 .driver_info = (unsigned long)&qmi_wwan_info, 1073 }, 1074 { /* HP lt2523 (Novatel E371) */ 1075 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 1076 USB_CLASS_COMM, 1077 USB_CDC_SUBCLASS_ETHERNET, 1078 USB_CDC_PROTO_NONE), 1079 .driver_info = (unsigned long)&qmi_wwan_info, 1080 }, 1081 { /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */ 1082 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7), 1083 .driver_info = (unsigned long)&qmi_wwan_info, 1084 }, 1085 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ 1086 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */ 1087 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */ 1088 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0620)}, /* Quectel EM160R-GL */ 1089 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0800)}, /* Quectel RM500Q-GL */ 1090 1091 /* 3. Combined interface devices matching on interface number */ 1092 {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */ 1093 {QMI_FIXED_INTF(0x05c6, 0x6001, 3)}, /* 4G LTE usb-modem U901 */ 1094 {QMI_FIXED_INTF(0x05c6, 0x7000, 0)}, 1095 {QMI_FIXED_INTF(0x05c6, 0x7001, 1)}, 1096 {QMI_FIXED_INTF(0x05c6, 0x7002, 1)}, 1097 {QMI_FIXED_INTF(0x05c6, 0x7101, 1)}, 1098 {QMI_FIXED_INTF(0x05c6, 0x7101, 2)}, 1099 {QMI_FIXED_INTF(0x05c6, 0x7101, 3)}, 1100 {QMI_FIXED_INTF(0x05c6, 0x7102, 1)}, 1101 {QMI_FIXED_INTF(0x05c6, 0x7102, 2)}, 1102 {QMI_FIXED_INTF(0x05c6, 0x7102, 3)}, 1103 {QMI_FIXED_INTF(0x05c6, 0x8000, 7)}, 1104 {QMI_FIXED_INTF(0x05c6, 0x8001, 6)}, 1105 {QMI_FIXED_INTF(0x05c6, 0x9000, 4)}, 1106 {QMI_FIXED_INTF(0x05c6, 0x9003, 4)}, 1107 {QMI_FIXED_INTF(0x05c6, 0x9005, 2)}, 1108 {QMI_FIXED_INTF(0x05c6, 0x900a, 4)}, 1109 {QMI_FIXED_INTF(0x05c6, 0x900b, 2)}, 1110 {QMI_FIXED_INTF(0x05c6, 0x900c, 4)}, 1111 {QMI_FIXED_INTF(0x05c6, 0x900c, 5)}, 1112 {QMI_FIXED_INTF(0x05c6, 0x900c, 6)}, 1113 {QMI_FIXED_INTF(0x05c6, 0x900d, 5)}, 1114 {QMI_FIXED_INTF(0x05c6, 0x900f, 3)}, 1115 {QMI_FIXED_INTF(0x05c6, 0x900f, 4)}, 1116 {QMI_FIXED_INTF(0x05c6, 0x900f, 5)}, 1117 {QMI_FIXED_INTF(0x05c6, 0x9010, 4)}, 1118 {QMI_FIXED_INTF(0x05c6, 0x9010, 5)}, 1119 {QMI_FIXED_INTF(0x05c6, 0x9011, 3)}, 1120 {QMI_FIXED_INTF(0x05c6, 0x9011, 4)}, 1121 {QMI_FIXED_INTF(0x05c6, 0x9021, 1)}, 1122 {QMI_FIXED_INTF(0x05c6, 0x9022, 2)}, 1123 {QMI_QUIRK_SET_DTR(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD LTE (China Mobile) */ 1124 {QMI_FIXED_INTF(0x05c6, 0x9026, 3)}, 1125 {QMI_FIXED_INTF(0x05c6, 0x902e, 5)}, 1126 {QMI_FIXED_INTF(0x05c6, 0x9031, 5)}, 1127 {QMI_FIXED_INTF(0x05c6, 0x9032, 4)}, 1128 {QMI_FIXED_INTF(0x05c6, 0x9033, 3)}, 1129 {QMI_FIXED_INTF(0x05c6, 0x9033, 4)}, 1130 {QMI_FIXED_INTF(0x05c6, 0x9033, 5)}, 1131 {QMI_FIXED_INTF(0x05c6, 0x9033, 6)}, 1132 {QMI_FIXED_INTF(0x05c6, 0x9034, 3)}, 1133 {QMI_FIXED_INTF(0x05c6, 0x9034, 4)}, 1134 {QMI_FIXED_INTF(0x05c6, 0x9034, 5)}, 1135 {QMI_FIXED_INTF(0x05c6, 0x9034, 6)}, 1136 {QMI_FIXED_INTF(0x05c6, 0x9034, 7)}, 1137 {QMI_FIXED_INTF(0x05c6, 0x9035, 4)}, 1138 {QMI_FIXED_INTF(0x05c6, 0x9036, 3)}, 1139 {QMI_FIXED_INTF(0x05c6, 0x9037, 5)}, 1140 {QMI_FIXED_INTF(0x05c6, 0x9038, 4)}, 1141 {QMI_FIXED_INTF(0x05c6, 0x903b, 7)}, 1142 {QMI_FIXED_INTF(0x05c6, 0x903c, 6)}, 1143 {QMI_FIXED_INTF(0x05c6, 0x903d, 6)}, 1144 {QMI_FIXED_INTF(0x05c6, 0x903e, 5)}, 1145 {QMI_FIXED_INTF(0x05c6, 0x9043, 3)}, 1146 {QMI_FIXED_INTF(0x05c6, 0x9046, 3)}, 1147 {QMI_FIXED_INTF(0x05c6, 0x9046, 4)}, 1148 {QMI_FIXED_INTF(0x05c6, 0x9046, 5)}, 1149 {QMI_FIXED_INTF(0x05c6, 0x9047, 2)}, 1150 {QMI_FIXED_INTF(0x05c6, 0x9047, 3)}, 1151 {QMI_FIXED_INTF(0x05c6, 0x9047, 4)}, 1152 {QMI_FIXED_INTF(0x05c6, 0x9048, 4)}, 1153 {QMI_FIXED_INTF(0x05c6, 0x9048, 5)}, 1154 {QMI_FIXED_INTF(0x05c6, 0x9048, 6)}, 1155 {QMI_FIXED_INTF(0x05c6, 0x9048, 7)}, 1156 {QMI_FIXED_INTF(0x05c6, 0x9048, 8)}, 1157 {QMI_FIXED_INTF(0x05c6, 0x904c, 5)}, 1158 {QMI_FIXED_INTF(0x05c6, 0x904c, 6)}, 1159 {QMI_FIXED_INTF(0x05c6, 0x904c, 7)}, 1160 {QMI_FIXED_INTF(0x05c6, 0x904c, 8)}, 1161 {QMI_FIXED_INTF(0x05c6, 0x9050, 3)}, 1162 {QMI_FIXED_INTF(0x05c6, 0x9052, 4)}, 1163 {QMI_FIXED_INTF(0x05c6, 0x9053, 6)}, 1164 {QMI_FIXED_INTF(0x05c6, 0x9053, 7)}, 1165 {QMI_FIXED_INTF(0x05c6, 0x9054, 5)}, 1166 {QMI_FIXED_INTF(0x05c6, 0x9054, 6)}, 1167 {QMI_FIXED_INTF(0x05c6, 0x9055, 3)}, 1168 {QMI_FIXED_INTF(0x05c6, 0x9055, 4)}, 1169 {QMI_FIXED_INTF(0x05c6, 0x9055, 5)}, 1170 {QMI_FIXED_INTF(0x05c6, 0x9055, 6)}, 1171 {QMI_FIXED_INTF(0x05c6, 0x9055, 7)}, 1172 {QMI_FIXED_INTF(0x05c6, 0x9056, 3)}, 1173 {QMI_FIXED_INTF(0x05c6, 0x9062, 2)}, 1174 {QMI_FIXED_INTF(0x05c6, 0x9062, 3)}, 1175 {QMI_FIXED_INTF(0x05c6, 0x9062, 4)}, 1176 {QMI_FIXED_INTF(0x05c6, 0x9062, 5)}, 1177 {QMI_FIXED_INTF(0x05c6, 0x9062, 6)}, 1178 {QMI_FIXED_INTF(0x05c6, 0x9062, 7)}, 1179 {QMI_FIXED_INTF(0x05c6, 0x9062, 8)}, 1180 {QMI_FIXED_INTF(0x05c6, 0x9062, 9)}, 1181 {QMI_FIXED_INTF(0x05c6, 0x9064, 3)}, 1182 {QMI_FIXED_INTF(0x05c6, 0x9065, 6)}, 1183 {QMI_FIXED_INTF(0x05c6, 0x9065, 7)}, 1184 {QMI_FIXED_INTF(0x05c6, 0x9066, 5)}, 1185 {QMI_FIXED_INTF(0x05c6, 0x9066, 6)}, 1186 {QMI_FIXED_INTF(0x05c6, 0x9067, 1)}, 1187 {QMI_FIXED_INTF(0x05c6, 0x9068, 2)}, 1188 {QMI_FIXED_INTF(0x05c6, 0x9068, 3)}, 1189 {QMI_FIXED_INTF(0x05c6, 0x9068, 4)}, 1190 {QMI_FIXED_INTF(0x05c6, 0x9068, 5)}, 1191 {QMI_FIXED_INTF(0x05c6, 0x9068, 6)}, 1192 {QMI_FIXED_INTF(0x05c6, 0x9068, 7)}, 1193 {QMI_FIXED_INTF(0x05c6, 0x9069, 5)}, 1194 {QMI_FIXED_INTF(0x05c6, 0x9069, 6)}, 1195 {QMI_FIXED_INTF(0x05c6, 0x9069, 7)}, 1196 {QMI_FIXED_INTF(0x05c6, 0x9069, 8)}, 1197 {QMI_FIXED_INTF(0x05c6, 0x9070, 4)}, 1198 {QMI_FIXED_INTF(0x05c6, 0x9070, 5)}, 1199 {QMI_FIXED_INTF(0x05c6, 0x9075, 5)}, 1200 {QMI_FIXED_INTF(0x05c6, 0x9076, 4)}, 1201 {QMI_FIXED_INTF(0x05c6, 0x9076, 5)}, 1202 {QMI_FIXED_INTF(0x05c6, 0x9076, 6)}, 1203 {QMI_FIXED_INTF(0x05c6, 0x9076, 7)}, 1204 {QMI_FIXED_INTF(0x05c6, 0x9076, 8)}, 1205 {QMI_FIXED_INTF(0x05c6, 0x9077, 3)}, 1206 {QMI_FIXED_INTF(0x05c6, 0x9077, 4)}, 1207 {QMI_FIXED_INTF(0x05c6, 0x9077, 5)}, 1208 {QMI_FIXED_INTF(0x05c6, 0x9077, 6)}, 1209 {QMI_FIXED_INTF(0x05c6, 0x9078, 3)}, 1210 {QMI_FIXED_INTF(0x05c6, 0x9079, 4)}, 1211 {QMI_FIXED_INTF(0x05c6, 0x9079, 5)}, 1212 {QMI_FIXED_INTF(0x05c6, 0x9079, 6)}, 1213 {QMI_FIXED_INTF(0x05c6, 0x9079, 7)}, 1214 {QMI_FIXED_INTF(0x05c6, 0x9079, 8)}, 1215 {QMI_FIXED_INTF(0x05c6, 0x9080, 5)}, 1216 {QMI_FIXED_INTF(0x05c6, 0x9080, 6)}, 1217 {QMI_FIXED_INTF(0x05c6, 0x9080, 7)}, 1218 {QMI_FIXED_INTF(0x05c6, 0x9080, 8)}, 1219 {QMI_FIXED_INTF(0x05c6, 0x9083, 3)}, 1220 {QMI_FIXED_INTF(0x05c6, 0x9084, 4)}, 1221 {QMI_FIXED_INTF(0x05c6, 0x90b2, 3)}, /* ublox R410M */ 1222 {QMI_FIXED_INTF(0x05c6, 0x920d, 0)}, 1223 {QMI_FIXED_INTF(0x05c6, 0x920d, 5)}, 1224 {QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)}, /* YUGA CLM920-NC5 */ 1225 {QMI_FIXED_INTF(0x0846, 0x68a2, 8)}, 1226 {QMI_FIXED_INTF(0x0846, 0x68d3, 8)}, /* Netgear Aircard 779S */ 1227 {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ 1228 {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */ 1229 {QMI_FIXED_INTF(0x1435, 0x0918, 3)}, /* Wistron NeWeb D16Q1 */ 1230 {QMI_FIXED_INTF(0x1435, 0x0918, 4)}, /* Wistron NeWeb D16Q1 */ 1231 {QMI_FIXED_INTF(0x1435, 0x0918, 5)}, /* Wistron NeWeb D16Q1 */ 1232 {QMI_FIXED_INTF(0x1435, 0x3185, 4)}, /* Wistron NeWeb M18Q5 */ 1233 {QMI_FIXED_INTF(0x1435, 0xd111, 4)}, /* M9615A DM11-1 D51QC */ 1234 {QMI_FIXED_INTF(0x1435, 0xd181, 3)}, /* Wistron NeWeb D18Q1 */ 1235 {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */ 1236 {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */ 1237 {QMI_FIXED_INTF(0x1435, 0xd182, 4)}, /* Wistron NeWeb D18 */ 1238 {QMI_FIXED_INTF(0x1435, 0xd182, 5)}, /* Wistron NeWeb D18 */ 1239 {QMI_FIXED_INTF(0x1435, 0xd191, 4)}, /* Wistron NeWeb D19Q1 */ 1240 {QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)}, /* Fibocom NL668 series */ 1241 {QMI_FIXED_INTF(0x1690, 0x7588, 4)}, /* ASKEY WWHC050 */ 1242 {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ 1243 {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */ 1244 {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */ 1245 {QMI_FIXED_INTF(0x16d8, 0x6280, 0)}, /* CMOTech CHU-628 */ 1246 {QMI_FIXED_INTF(0x16d8, 0x7001, 0)}, /* CMOTech CHU-720S */ 1247 {QMI_FIXED_INTF(0x16d8, 0x7002, 0)}, /* CMOTech 7002 */ 1248 {QMI_FIXED_INTF(0x16d8, 0x7003, 4)}, /* CMOTech CHU-629K */ 1249 {QMI_FIXED_INTF(0x16d8, 0x7004, 3)}, /* CMOTech 7004 */ 1250 {QMI_FIXED_INTF(0x16d8, 0x7006, 5)}, /* CMOTech CGU-629 */ 1251 {QMI_FIXED_INTF(0x16d8, 0x700a, 4)}, /* CMOTech CHU-629S */ 1252 {QMI_FIXED_INTF(0x16d8, 0x7211, 0)}, /* CMOTech CHU-720I */ 1253 {QMI_FIXED_INTF(0x16d8, 0x7212, 0)}, /* CMOTech 7212 */ 1254 {QMI_FIXED_INTF(0x16d8, 0x7213, 0)}, /* CMOTech 7213 */ 1255 {QMI_FIXED_INTF(0x16d8, 0x7251, 1)}, /* CMOTech 7251 */ 1256 {QMI_FIXED_INTF(0x16d8, 0x7252, 1)}, /* CMOTech 7252 */ 1257 {QMI_FIXED_INTF(0x16d8, 0x7253, 1)}, /* CMOTech 7253 */ 1258 {QMI_FIXED_INTF(0x19d2, 0x0002, 1)}, 1259 {QMI_FIXED_INTF(0x19d2, 0x0012, 1)}, 1260 {QMI_FIXED_INTF(0x19d2, 0x0017, 3)}, 1261 {QMI_FIXED_INTF(0x19d2, 0x0019, 3)}, /* ONDA MT689DC */ 1262 {QMI_FIXED_INTF(0x19d2, 0x0021, 4)}, 1263 {QMI_FIXED_INTF(0x19d2, 0x0025, 1)}, 1264 {QMI_FIXED_INTF(0x19d2, 0x0031, 4)}, 1265 {QMI_FIXED_INTF(0x19d2, 0x0042, 4)}, 1266 {QMI_FIXED_INTF(0x19d2, 0x0049, 5)}, 1267 {QMI_FIXED_INTF(0x19d2, 0x0052, 4)}, 1268 {QMI_FIXED_INTF(0x19d2, 0x0055, 1)}, /* ZTE (Vodafone) K3520-Z */ 1269 {QMI_FIXED_INTF(0x19d2, 0x0058, 4)}, 1270 {QMI_FIXED_INTF(0x19d2, 0x0063, 4)}, /* ZTE (Vodafone) K3565-Z */ 1271 {QMI_FIXED_INTF(0x19d2, 0x0104, 4)}, /* ZTE (Vodafone) K4505-Z */ 1272 {QMI_FIXED_INTF(0x19d2, 0x0113, 5)}, 1273 {QMI_FIXED_INTF(0x19d2, 0x0118, 5)}, 1274 {QMI_FIXED_INTF(0x19d2, 0x0121, 5)}, 1275 {QMI_FIXED_INTF(0x19d2, 0x0123, 4)}, 1276 {QMI_FIXED_INTF(0x19d2, 0x0124, 5)}, 1277 {QMI_FIXED_INTF(0x19d2, 0x0125, 6)}, 1278 {QMI_FIXED_INTF(0x19d2, 0x0126, 5)}, 1279 {QMI_FIXED_INTF(0x19d2, 0x0130, 1)}, 1280 {QMI_FIXED_INTF(0x19d2, 0x0133, 3)}, 1281 {QMI_FIXED_INTF(0x19d2, 0x0141, 5)}, 1282 {QMI_FIXED_INTF(0x19d2, 0x0157, 5)}, /* ZTE MF683 */ 1283 {QMI_FIXED_INTF(0x19d2, 0x0158, 3)}, 1284 {QMI_FIXED_INTF(0x19d2, 0x0167, 4)}, /* ZTE MF820D */ 1285 {QMI_FIXED_INTF(0x19d2, 0x0168, 4)}, 1286 {QMI_FIXED_INTF(0x19d2, 0x0176, 3)}, 1287 {QMI_FIXED_INTF(0x19d2, 0x0178, 3)}, 1288 {QMI_FIXED_INTF(0x19d2, 0x0191, 4)}, /* ZTE EuFi890 */ 1289 {QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */ 1290 {QMI_FIXED_INTF(0x19d2, 0x0200, 1)}, 1291 {QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */ 1292 {QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */ 1293 {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */ 1294 {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */ 1295 {QMI_FIXED_INTF(0x19d2, 0x0396, 3)}, /* ZTE ZM8620 */ 1296 {QMI_FIXED_INTF(0x19d2, 0x0412, 4)}, /* Telewell TW-LTE 4G */ 1297 {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */ 1298 {QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */ 1299 {QMI_FIXED_INTF(0x19d2, 0x1012, 4)}, 1300 {QMI_FIXED_INTF(0x19d2, 0x1018, 3)}, /* ZTE (Vodafone) K5006-Z */ 1301 {QMI_FIXED_INTF(0x19d2, 0x1021, 2)}, 1302 {QMI_FIXED_INTF(0x19d2, 0x1245, 4)}, 1303 {QMI_FIXED_INTF(0x19d2, 0x1247, 4)}, 1304 {QMI_FIXED_INTF(0x19d2, 0x1252, 4)}, 1305 {QMI_FIXED_INTF(0x19d2, 0x1254, 4)}, 1306 {QMI_FIXED_INTF(0x19d2, 0x1255, 3)}, 1307 {QMI_FIXED_INTF(0x19d2, 0x1255, 4)}, 1308 {QMI_FIXED_INTF(0x19d2, 0x1256, 4)}, 1309 {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */ 1310 {QMI_FIXED_INTF(0x19d2, 0x1275, 3)}, /* ZTE P685M */ 1311 {QMI_FIXED_INTF(0x19d2, 0x1401, 2)}, 1312 {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */ 1313 {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, 1314 {QMI_FIXED_INTF(0x19d2, 0x1425, 2)}, 1315 {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */ 1316 {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */ 1317 {QMI_FIXED_INTF(0x19d2, 0x1432, 3)}, /* ZTE ME3620 */ 1318 {QMI_FIXED_INTF(0x19d2, 0x1485, 5)}, /* ZTE MF286D */ 1319 {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ 1320 {QMI_FIXED_INTF(0x2001, 0x7e16, 3)}, /* D-Link DWM-221 */ 1321 {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */ 1322 {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */ 1323 {QMI_FIXED_INTF(0x2001, 0x7e3d, 4)}, /* D-Link DWM-222 A2 */ 1324 {QMI_FIXED_INTF(0x2020, 0x2031, 4)}, /* Olicard 600 */ 1325 {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */ 1326 {QMI_FIXED_INTF(0x2020, 0x2060, 4)}, /* BroadMobi BM818 */ 1327 {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ 1328 {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ 1329 {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ 1330 {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ 1331 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354, WP76xx */ 1332 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 10)},/* Sierra Wireless MC7304/MC7354 */ 1333 {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ 1334 {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */ 1335 {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */ 1336 {QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */ 1337 {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ 1338 {QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */ 1339 {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */ 1340 {QMI_FIXED_INTF(0x1199, 0x9055, 8)}, /* Netgear AirCard 341U */ 1341 {QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */ 1342 {QMI_FIXED_INTF(0x1199, 0x9057, 8)}, 1343 {QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */ 1344 {QMI_FIXED_INTF(0x1199, 0x9063, 8)}, /* Sierra Wireless EM7305 */ 1345 {QMI_FIXED_INTF(0x1199, 0x9063, 10)}, /* Sierra Wireless EM7305 */ 1346 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 8)}, /* Sierra Wireless MC74xx */ 1347 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 10)},/* Sierra Wireless MC74xx */ 1348 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 8)}, /* Sierra Wireless EM74xx */ 1349 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 10)},/* Sierra Wireless EM74xx */ 1350 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 8)}, /* Sierra Wireless EM74xx */ 1351 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 10)},/* Sierra Wireless EM74xx */ 1352 {QMI_QUIRK_SET_DTR(0x1199, 0x9091, 8)}, /* Sierra Wireless EM7565 */ 1353 {QMI_QUIRK_SET_DTR(0x1199, 0xc081, 8)}, /* Sierra Wireless EM7590 */ 1354 {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ 1355 {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */ 1356 {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ 1357 {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ 1358 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1031, 3)}, /* Telit LE910C1-EUX */ 1359 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ 1360 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */ 1361 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1057, 2)}, /* Telit FN980 */ 1362 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1060, 2)}, /* Telit LN920 */ 1363 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1070, 2)}, /* Telit FN990 */ 1364 {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ 1365 {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */ 1366 {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ 1367 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */ 1368 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1230, 2)}, /* Telit LE910Cx */ 1369 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1250, 0)}, /* Telit LE910Cx */ 1370 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)}, /* Telit LE910Cx */ 1371 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)}, /* Telit LE910Cx */ 1372 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */ 1373 {QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */ 1374 {QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */ 1375 {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ 1376 {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ 1377 {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ 1378 {QMI_FIXED_INTF(0x0b3c, 0xc002, 4)}, /* Olivetti Olicard 140 */ 1379 {QMI_FIXED_INTF(0x0b3c, 0xc004, 6)}, /* Olivetti Olicard 155 */ 1380 {QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */ 1381 {QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */ 1382 {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */ 1383 {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ 1384 {QMI_QUIRK_SET_DTR(0x1e2d, 0x006f, 8)}, /* Cinterion PLS83/PLS63 */ 1385 {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */ 1386 {QMI_FIXED_INTF(0x1e2d, 0x0063, 10)}, /* Cinterion ALASxx (1 RmNet) */ 1387 {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1388 {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1389 {QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/ 1390 {QMI_QUIRK_SET_DTR(0x1e2d, 0x00b0, 4)}, /* Cinterion CLS8 */ 1391 {QMI_FIXED_INTF(0x1e2d, 0x00b7, 0)}, /* Cinterion MV31 RmNet */ 1392 {QMI_FIXED_INTF(0x1e2d, 0x00b9, 0)}, /* Cinterion MV31 RmNet based on new baseline */ 1393 {QMI_FIXED_INTF(0x1e2d, 0x00f3, 0)}, /* Cinterion MV32-W-A RmNet */ 1394 {QMI_FIXED_INTF(0x1e2d, 0x00f4, 0)}, /* Cinterion MV32-W-B RmNet */ 1395 {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ 1396 {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ 1397 {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ 1398 {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ 1399 {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ 1400 {QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ 1401 {QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ 1402 {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */ 1403 {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */ 1404 {QMI_FIXED_INTF(0x413c, 0x81cc, 8)}, /* Dell Wireless 5816e */ 1405 {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */ 1406 {QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */ 1407 {QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/ 1408 {QMI_FIXED_INTF(0x413c, 0x81e4, 0)}, /* Dell Wireless 5829e with eSIM support*/ 1409 {QMI_FIXED_INTF(0x413c, 0x81e6, 0)}, /* Dell Wireless 5829e */ 1410 {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ 1411 {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ 1412 {QMI_QUIRK_SET_DTR(0x22de, 0x9051, 2)}, /* Hucom Wireless HM-211S/K */ 1413 {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ 1414 {QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */ 1415 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */ 1416 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */ 1417 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0195, 4)}, /* Quectel EG95 */ 1418 {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ 1419 {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */ 1420 {QMI_FIXED_INTF(0x0489, 0xe0b4, 0)}, /* Foxconn T77W968 LTE */ 1421 {QMI_FIXED_INTF(0x0489, 0xe0b5, 0)}, /* Foxconn T77W968 LTE with eSIM support*/ 1422 {QMI_FIXED_INTF(0x2692, 0x9025, 4)}, /* Cellient MPL200 (rebranded Qualcomm 05c6:9025) */ 1423 1424 /* 4. Gobi 1000 devices */ 1425 {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ 1426 {QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ 1427 {QMI_GOBI1K_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ 1428 {QMI_GOBI1K_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ 1429 {QMI_GOBI1K_DEVICE(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */ 1430 {QMI_GOBI1K_DEVICE(0x1410, 0xa002)}, /* Novatel Gobi Modem device */ 1431 {QMI_GOBI1K_DEVICE(0x1410, 0xa003)}, /* Novatel Gobi Modem device */ 1432 {QMI_GOBI1K_DEVICE(0x1410, 0xa004)}, /* Novatel Gobi Modem device */ 1433 {QMI_GOBI1K_DEVICE(0x1410, 0xa005)}, /* Novatel Gobi Modem device */ 1434 {QMI_GOBI1K_DEVICE(0x1410, 0xa006)}, /* Novatel Gobi Modem device */ 1435 {QMI_GOBI1K_DEVICE(0x1410, 0xa007)}, /* Novatel Gobi Modem device */ 1436 {QMI_GOBI1K_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ 1437 {QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ 1438 {QMI_GOBI1K_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ 1439 {QMI_GOBI1K_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ 1440 {QMI_GOBI1K_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ 1441 {QMI_GOBI1K_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ 1442 {QMI_GOBI1K_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ 1443 {QMI_GOBI1K_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ 1444 1445 /* 5. Gobi 2000 and 3000 devices */ 1446 {QMI_GOBI_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ 1447 {QMI_GOBI_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ 1448 {QMI_GOBI_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ 1449 {QMI_GOBI_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ 1450 {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ 1451 {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ 1452 {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ 1453 {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */ 1454 {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ 1455 {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ 1456 {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ 1457 {QMI_GOBI_DEVICE(0x0af0, 0x8120)}, /* Option GTM681W */ 1458 {QMI_GOBI_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */ 1459 {QMI_GOBI_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */ 1460 {QMI_GOBI_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1461 {QMI_GOBI_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1462 {QMI_GOBI_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1463 {QMI_GOBI_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1464 {QMI_GOBI_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1465 {QMI_GOBI_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1466 {QMI_GOBI_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1467 {QMI_GOBI_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1468 {QMI_GOBI_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1469 {QMI_GOBI_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1470 {QMI_GOBI_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ 1471 {QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ 1472 {QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ 1473 {QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ 1474 {QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ 1475 {QMI_GOBI_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ 1476 {QMI_GOBI_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ 1477 {QMI_GOBI_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ 1478 {QMI_GOBI_DEVICE(0x12d1, 0x14f1)}, /* Sony Gobi 3000 Composite */ 1479 {QMI_GOBI_DEVICE(0x1410, 0xa021)}, /* Foxconn Gobi 3000 Modem device (Novatel E396) */ 1480 1481 { } /* END */ 1482 }; 1483 MODULE_DEVICE_TABLE(usb, products); 1484 1485 static bool quectel_ec20_detected(struct usb_interface *intf) 1486 { 1487 struct usb_device *dev = interface_to_usbdev(intf); 1488 1489 if (dev->actconfig && 1490 le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 && 1491 le16_to_cpu(dev->descriptor.idProduct) == 0x9215 && 1492 dev->actconfig->desc.bNumInterfaces == 5) 1493 return true; 1494 1495 return false; 1496 } 1497 1498 static int qmi_wwan_probe(struct usb_interface *intf, 1499 const struct usb_device_id *prod) 1500 { 1501 struct usb_device_id *id = (struct usb_device_id *)prod; 1502 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 1503 1504 /* Workaround to enable dynamic IDs. This disables usbnet 1505 * blacklisting functionality. Which, if required, can be 1506 * reimplemented here by using a magic "blacklist" value 1507 * instead of 0 in the static device id table 1508 */ 1509 if (!id->driver_info) { 1510 dev_dbg(&intf->dev, "setting defaults for dynamic device id\n"); 1511 id->driver_info = (unsigned long)&qmi_wwan_info; 1512 } 1513 1514 /* There are devices where the same interface number can be 1515 * configured as different functions. We should only bind to 1516 * vendor specific functions when matching on interface number 1517 */ 1518 if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER && 1519 desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) { 1520 dev_dbg(&intf->dev, 1521 "Rejecting interface number match for class %02x\n", 1522 desc->bInterfaceClass); 1523 return -ENODEV; 1524 } 1525 1526 /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */ 1527 if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) { 1528 dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n"); 1529 return -ENODEV; 1530 } 1531 1532 /* Several Quectel modems supports dynamic interface configuration, so 1533 * we need to match on class/subclass/protocol. These values are 1534 * identical for the diagnostic- and QMI-interface, but bNumEndpoints is 1535 * different. Ignore the current interface if the number of endpoints 1536 * equals the number for the diag interface (two). 1537 */ 1538 if (desc->bNumEndpoints == 2) 1539 return -ENODEV; 1540 1541 return usbnet_probe(intf, id); 1542 } 1543 1544 static void qmi_wwan_disconnect(struct usb_interface *intf) 1545 { 1546 struct usbnet *dev = usb_get_intfdata(intf); 1547 struct qmi_wwan_state *info; 1548 struct list_head *iter; 1549 struct net_device *ldev; 1550 LIST_HEAD(list); 1551 1552 /* called twice if separate control and data intf */ 1553 if (!dev) 1554 return; 1555 info = (void *)&dev->data; 1556 if (info->flags & QMI_WWAN_FLAG_MUX) { 1557 if (!rtnl_trylock()) { 1558 restart_syscall(); 1559 return; 1560 } 1561 rcu_read_lock(); 1562 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) 1563 qmimux_unregister_device(ldev, &list); 1564 rcu_read_unlock(); 1565 unregister_netdevice_many(&list); 1566 rtnl_unlock(); 1567 info->flags &= ~QMI_WWAN_FLAG_MUX; 1568 } 1569 usbnet_disconnect(intf); 1570 } 1571 1572 static struct usb_driver qmi_wwan_driver = { 1573 .name = "qmi_wwan", 1574 .id_table = products, 1575 .probe = qmi_wwan_probe, 1576 .disconnect = qmi_wwan_disconnect, 1577 .suspend = qmi_wwan_suspend, 1578 .resume = qmi_wwan_resume, 1579 .reset_resume = qmi_wwan_resume, 1580 .supports_autosuspend = 1, 1581 .disable_hub_initiated_lpm = 1, 1582 }; 1583 1584 module_usb_driver(qmi_wwan_driver); 1585 1586 MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>"); 1587 MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver"); 1588 MODULE_LICENSE("GPL"); 1589