1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2012 Bjørn Mork <bjorn@mork.no> 4 * 5 * The probing code is heavily inspired by cdc_ether, which is: 6 * Copyright (C) 2003-2005 by David Brownell 7 * Copyright (C) 2006 by Ole Andre Vadla Ravnas (ActiveSync) 8 */ 9 10 #include <linux/module.h> 11 #include <linux/sched/signal.h> 12 #include <linux/netdevice.h> 13 #include <linux/ethtool.h> 14 #include <linux/etherdevice.h> 15 #include <linux/if_arp.h> 16 #include <linux/mii.h> 17 #include <linux/rtnetlink.h> 18 #include <linux/usb.h> 19 #include <linux/usb/cdc.h> 20 #include <linux/usb/usbnet.h> 21 #include <linux/usb/cdc-wdm.h> 22 #include <linux/u64_stats_sync.h> 23 24 /* This driver supports wwan (3G/LTE/?) devices using a vendor 25 * specific management protocol called Qualcomm MSM Interface (QMI) - 26 * in addition to the more common AT commands over serial interface 27 * management 28 * 29 * QMI is wrapped in CDC, using CDC encapsulated commands on the 30 * control ("master") interface of a two-interface CDC Union 31 * resembling standard CDC ECM. The devices do not use the control 32 * interface for any other CDC messages. Most likely because the 33 * management protocol is used in place of the standard CDC 34 * notifications NOTIFY_NETWORK_CONNECTION and NOTIFY_SPEED_CHANGE 35 * 36 * Alternatively, control and data functions can be combined in a 37 * single USB interface. 38 * 39 * Handling a protocol like QMI is out of the scope for any driver. 40 * It is exported as a character device using the cdc-wdm driver as 41 * a subdriver, enabling userspace applications ("modem managers") to 42 * handle it. 43 * 44 * These devices may alternatively/additionally be configured using AT 45 * commands on a serial interface 46 */ 47 48 /* driver specific data */ 49 struct qmi_wwan_state { 50 struct usb_driver *subdriver; 51 atomic_t pmcount; 52 unsigned long flags; 53 struct usb_interface *control; 54 struct usb_interface *data; 55 }; 56 57 enum qmi_wwan_flags { 58 QMI_WWAN_FLAG_RAWIP = 1 << 0, 59 QMI_WWAN_FLAG_MUX = 1 << 1, 60 }; 61 62 enum qmi_wwan_quirks { 63 QMI_WWAN_QUIRK_DTR = 1 << 0, /* needs "set DTR" request */ 64 }; 65 66 struct qmimux_hdr { 67 u8 pad; 68 u8 mux_id; 69 __be16 pkt_len; 70 }; 71 72 struct qmimux_priv { 73 struct net_device *real_dev; 74 u8 mux_id; 75 }; 76 77 static int qmimux_open(struct net_device *dev) 78 { 79 struct qmimux_priv *priv = netdev_priv(dev); 80 struct net_device *real_dev = priv->real_dev; 81 82 if (!(priv->real_dev->flags & IFF_UP)) 83 return -ENETDOWN; 84 85 if (netif_carrier_ok(real_dev)) 86 netif_carrier_on(dev); 87 return 0; 88 } 89 90 static int qmimux_stop(struct net_device *dev) 91 { 92 netif_carrier_off(dev); 93 return 0; 94 } 95 96 static netdev_tx_t qmimux_start_xmit(struct sk_buff *skb, struct net_device *dev) 97 { 98 struct qmimux_priv *priv = netdev_priv(dev); 99 unsigned int len = skb->len; 100 struct qmimux_hdr *hdr; 101 netdev_tx_t ret; 102 103 hdr = skb_push(skb, sizeof(struct qmimux_hdr)); 104 hdr->pad = 0; 105 hdr->mux_id = priv->mux_id; 106 hdr->pkt_len = cpu_to_be16(len); 107 skb->dev = priv->real_dev; 108 ret = dev_queue_xmit(skb); 109 110 if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) 111 dev_sw_netstats_tx_add(dev, 1, len); 112 else 113 dev->stats.tx_dropped++; 114 115 return ret; 116 } 117 118 static const struct net_device_ops qmimux_netdev_ops = { 119 .ndo_open = qmimux_open, 120 .ndo_stop = qmimux_stop, 121 .ndo_start_xmit = qmimux_start_xmit, 122 .ndo_get_stats64 = dev_get_tstats64, 123 }; 124 125 static void qmimux_setup(struct net_device *dev) 126 { 127 dev->header_ops = NULL; /* No header */ 128 dev->type = ARPHRD_NONE; 129 dev->hard_header_len = 0; 130 dev->addr_len = 0; 131 dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 132 dev->netdev_ops = &qmimux_netdev_ops; 133 dev->mtu = 1500; 134 dev->needs_free_netdev = true; 135 } 136 137 static struct net_device *qmimux_find_dev(struct usbnet *dev, u8 mux_id) 138 { 139 struct qmimux_priv *priv; 140 struct list_head *iter; 141 struct net_device *ldev; 142 143 rcu_read_lock(); 144 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) { 145 priv = netdev_priv(ldev); 146 if (priv->mux_id == mux_id) { 147 rcu_read_unlock(); 148 return ldev; 149 } 150 } 151 rcu_read_unlock(); 152 return NULL; 153 } 154 155 static bool qmimux_has_slaves(struct usbnet *dev) 156 { 157 return !list_empty(&dev->net->adj_list.upper); 158 } 159 160 static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 161 { 162 unsigned int len, offset = 0, pad_len, pkt_len; 163 struct qmimux_hdr *hdr; 164 struct net_device *net; 165 struct sk_buff *skbn; 166 u8 qmimux_hdr_sz = sizeof(*hdr); 167 168 while (offset + qmimux_hdr_sz < skb->len) { 169 hdr = (struct qmimux_hdr *)(skb->data + offset); 170 len = be16_to_cpu(hdr->pkt_len); 171 172 /* drop the packet, bogus length */ 173 if (offset + len + qmimux_hdr_sz > skb->len) 174 return 0; 175 176 /* control packet, we do not know what to do */ 177 if (hdr->pad & 0x80) 178 goto skip; 179 180 /* extract padding length and check for valid length info */ 181 pad_len = hdr->pad & 0x3f; 182 if (len == 0 || pad_len >= len) 183 goto skip; 184 pkt_len = len - pad_len; 185 186 net = qmimux_find_dev(dev, hdr->mux_id); 187 if (!net) 188 goto skip; 189 skbn = netdev_alloc_skb(net, pkt_len); 190 if (!skbn) 191 return 0; 192 skbn->dev = net; 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_put_data(skbn, skb->data + offset + qmimux_hdr_sz, pkt_len); 207 if (netif_rx(skbn) != NET_RX_SUCCESS) { 208 net->stats.rx_errors++; 209 return 0; 210 } else { 211 dev_sw_netstats_rx_add(net, pkt_len); 212 } 213 214 skip: 215 offset += len + qmimux_hdr_sz; 216 } 217 return 1; 218 } 219 220 static int qmimux_register_device(struct net_device *real_dev, u8 mux_id) 221 { 222 struct net_device *new_dev; 223 struct qmimux_priv *priv; 224 int err; 225 226 new_dev = alloc_netdev(sizeof(struct qmimux_priv), 227 "qmimux%d", NET_NAME_UNKNOWN, qmimux_setup); 228 if (!new_dev) 229 return -ENOBUFS; 230 231 dev_net_set(new_dev, dev_net(real_dev)); 232 priv = netdev_priv(new_dev); 233 priv->mux_id = mux_id; 234 priv->real_dev = real_dev; 235 236 new_dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); 237 if (!new_dev->tstats) { 238 err = -ENOBUFS; 239 goto out_free_newdev; 240 } 241 242 err = register_netdevice(new_dev); 243 if (err < 0) 244 goto out_free_newdev; 245 246 /* Account for reference in struct qmimux_priv_priv */ 247 dev_hold(real_dev); 248 249 err = netdev_upper_dev_link(real_dev, new_dev, NULL); 250 if (err) 251 goto out_unregister_netdev; 252 253 netif_stacked_transfer_operstate(real_dev, new_dev); 254 255 return 0; 256 257 out_unregister_netdev: 258 unregister_netdevice(new_dev); 259 dev_put(real_dev); 260 261 out_free_newdev: 262 free_netdev(new_dev); 263 return err; 264 } 265 266 static void qmimux_unregister_device(struct net_device *dev, 267 struct list_head *head) 268 { 269 struct qmimux_priv *priv = netdev_priv(dev); 270 struct net_device *real_dev = priv->real_dev; 271 272 free_percpu(dev->tstats); 273 netdev_upper_dev_unlink(real_dev, dev); 274 unregister_netdevice_queue(dev, head); 275 276 /* Get rid of the reference to real_dev */ 277 dev_put(real_dev); 278 } 279 280 static void qmi_wwan_netdev_setup(struct net_device *net) 281 { 282 struct usbnet *dev = netdev_priv(net); 283 struct qmi_wwan_state *info = (void *)&dev->data; 284 285 if (info->flags & QMI_WWAN_FLAG_RAWIP) { 286 net->header_ops = NULL; /* No header */ 287 net->type = ARPHRD_NONE; 288 net->hard_header_len = 0; 289 net->addr_len = 0; 290 net->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 291 set_bit(EVENT_NO_IP_ALIGN, &dev->flags); 292 netdev_dbg(net, "mode: raw IP\n"); 293 } else if (!net->header_ops) { /* don't bother if already set */ 294 ether_setup(net); 295 /* Restoring min/max mtu values set originally by usbnet */ 296 net->min_mtu = 0; 297 net->max_mtu = ETH_MAX_MTU; 298 clear_bit(EVENT_NO_IP_ALIGN, &dev->flags); 299 netdev_dbg(net, "mode: Ethernet\n"); 300 } 301 302 /* recalculate buffers after changing hard_header_len */ 303 usbnet_change_mtu(net, net->mtu); 304 } 305 306 static ssize_t raw_ip_show(struct device *d, struct device_attribute *attr, char *buf) 307 { 308 struct usbnet *dev = netdev_priv(to_net_dev(d)); 309 struct qmi_wwan_state *info = (void *)&dev->data; 310 311 return sprintf(buf, "%c\n", info->flags & QMI_WWAN_FLAG_RAWIP ? 'Y' : 'N'); 312 } 313 314 static ssize_t raw_ip_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 315 { 316 struct usbnet *dev = netdev_priv(to_net_dev(d)); 317 struct qmi_wwan_state *info = (void *)&dev->data; 318 bool enable; 319 int ret; 320 321 if (strtobool(buf, &enable)) 322 return -EINVAL; 323 324 /* no change? */ 325 if (enable == (info->flags & QMI_WWAN_FLAG_RAWIP)) 326 return len; 327 328 if (!rtnl_trylock()) 329 return restart_syscall(); 330 331 /* we don't want to modify a running netdev */ 332 if (netif_running(dev->net)) { 333 netdev_err(dev->net, "Cannot change a running device\n"); 334 ret = -EBUSY; 335 goto err; 336 } 337 338 /* let other drivers deny the change */ 339 ret = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev->net); 340 ret = notifier_to_errno(ret); 341 if (ret) { 342 netdev_err(dev->net, "Type change was refused\n"); 343 goto err; 344 } 345 346 if (enable) 347 info->flags |= QMI_WWAN_FLAG_RAWIP; 348 else 349 info->flags &= ~QMI_WWAN_FLAG_RAWIP; 350 qmi_wwan_netdev_setup(dev->net); 351 call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev->net); 352 ret = len; 353 err: 354 rtnl_unlock(); 355 return ret; 356 } 357 358 static ssize_t add_mux_show(struct device *d, struct device_attribute *attr, char *buf) 359 { 360 struct net_device *dev = to_net_dev(d); 361 struct qmimux_priv *priv; 362 struct list_head *iter; 363 struct net_device *ldev; 364 ssize_t count = 0; 365 366 rcu_read_lock(); 367 netdev_for_each_upper_dev_rcu(dev, ldev, iter) { 368 priv = netdev_priv(ldev); 369 count += scnprintf(&buf[count], PAGE_SIZE - count, 370 "0x%02x\n", priv->mux_id); 371 } 372 rcu_read_unlock(); 373 return count; 374 } 375 376 static ssize_t add_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 377 { 378 struct usbnet *dev = netdev_priv(to_net_dev(d)); 379 struct qmi_wwan_state *info = (void *)&dev->data; 380 u8 mux_id; 381 int ret; 382 383 if (kstrtou8(buf, 0, &mux_id)) 384 return -EINVAL; 385 386 /* mux_id [1 - 254] for compatibility with ip(8) and the rmnet driver */ 387 if (mux_id < 1 || mux_id > 254) 388 return -EINVAL; 389 390 if (!rtnl_trylock()) 391 return restart_syscall(); 392 393 if (qmimux_find_dev(dev, mux_id)) { 394 netdev_err(dev->net, "mux_id already present\n"); 395 ret = -EINVAL; 396 goto err; 397 } 398 399 /* we don't want to modify a running netdev */ 400 if (netif_running(dev->net)) { 401 netdev_err(dev->net, "Cannot change a running device\n"); 402 ret = -EBUSY; 403 goto err; 404 } 405 406 ret = qmimux_register_device(dev->net, mux_id); 407 if (!ret) { 408 info->flags |= QMI_WWAN_FLAG_MUX; 409 ret = len; 410 } 411 err: 412 rtnl_unlock(); 413 return ret; 414 } 415 416 static ssize_t del_mux_show(struct device *d, struct device_attribute *attr, char *buf) 417 { 418 return add_mux_show(d, attr, buf); 419 } 420 421 static ssize_t del_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 422 { 423 struct usbnet *dev = netdev_priv(to_net_dev(d)); 424 struct qmi_wwan_state *info = (void *)&dev->data; 425 struct net_device *del_dev; 426 u8 mux_id; 427 int ret = 0; 428 429 if (kstrtou8(buf, 0, &mux_id)) 430 return -EINVAL; 431 432 if (!rtnl_trylock()) 433 return restart_syscall(); 434 435 /* we don't want to modify a running netdev */ 436 if (netif_running(dev->net)) { 437 netdev_err(dev->net, "Cannot change a running device\n"); 438 ret = -EBUSY; 439 goto err; 440 } 441 442 del_dev = qmimux_find_dev(dev, mux_id); 443 if (!del_dev) { 444 netdev_err(dev->net, "mux_id not present\n"); 445 ret = -EINVAL; 446 goto err; 447 } 448 qmimux_unregister_device(del_dev, NULL); 449 450 if (!qmimux_has_slaves(dev)) 451 info->flags &= ~QMI_WWAN_FLAG_MUX; 452 ret = len; 453 err: 454 rtnl_unlock(); 455 return ret; 456 } 457 458 static DEVICE_ATTR_RW(raw_ip); 459 static DEVICE_ATTR_RW(add_mux); 460 static DEVICE_ATTR_RW(del_mux); 461 462 static struct attribute *qmi_wwan_sysfs_attrs[] = { 463 &dev_attr_raw_ip.attr, 464 &dev_attr_add_mux.attr, 465 &dev_attr_del_mux.attr, 466 NULL, 467 }; 468 469 static struct attribute_group qmi_wwan_sysfs_attr_group = { 470 .name = "qmi", 471 .attrs = qmi_wwan_sysfs_attrs, 472 }; 473 474 /* default ethernet address used by the modem */ 475 static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3}; 476 477 static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00}; 478 479 /* Make up an ethernet header if the packet doesn't have one. 480 * 481 * A firmware bug common among several devices cause them to send raw 482 * IP packets under some circumstances. There is no way for the 483 * driver/host to know when this will happen. And even when the bug 484 * hits, some packets will still arrive with an intact header. 485 * 486 * The supported devices are only capably of sending IPv4, IPv6 and 487 * ARP packets on a point-to-point link. Any packet with an ethernet 488 * header will have either our address or a broadcast/multicast 489 * address as destination. ARP packets will always have a header. 490 * 491 * This means that this function will reliably add the appropriate 492 * header iff necessary, provided our hardware address does not start 493 * with 4 or 6. 494 * 495 * Another common firmware bug results in all packets being addressed 496 * to 00:a0:c6:00:00:00 despite the host address being different. 497 * This function will also fixup such packets. 498 */ 499 static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 500 { 501 struct qmi_wwan_state *info = (void *)&dev->data; 502 bool rawip = info->flags & QMI_WWAN_FLAG_RAWIP; 503 __be16 proto; 504 505 /* This check is no longer done by usbnet */ 506 if (skb->len < dev->net->hard_header_len) 507 return 0; 508 509 if (info->flags & QMI_WWAN_FLAG_MUX) 510 return qmimux_rx_fixup(dev, skb); 511 512 switch (skb->data[0] & 0xf0) { 513 case 0x40: 514 proto = htons(ETH_P_IP); 515 break; 516 case 0x60: 517 proto = htons(ETH_P_IPV6); 518 break; 519 case 0x00: 520 if (rawip) 521 return 0; 522 if (is_multicast_ether_addr(skb->data)) 523 return 1; 524 /* possibly bogus destination - rewrite just in case */ 525 skb_reset_mac_header(skb); 526 goto fix_dest; 527 default: 528 if (rawip) 529 return 0; 530 /* pass along other packets without modifications */ 531 return 1; 532 } 533 if (rawip) { 534 skb_reset_mac_header(skb); 535 skb->dev = dev->net; /* normally set by eth_type_trans */ 536 skb->protocol = proto; 537 return 1; 538 } 539 540 if (skb_headroom(skb) < ETH_HLEN) 541 return 0; 542 skb_push(skb, ETH_HLEN); 543 skb_reset_mac_header(skb); 544 eth_hdr(skb)->h_proto = proto; 545 eth_zero_addr(eth_hdr(skb)->h_source); 546 fix_dest: 547 memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN); 548 return 1; 549 } 550 551 /* very simplistic detection of IPv4 or IPv6 headers */ 552 static bool possibly_iphdr(const char *data) 553 { 554 return (data[0] & 0xd0) == 0x40; 555 } 556 557 /* disallow addresses which may be confused with IP headers */ 558 static int qmi_wwan_mac_addr(struct net_device *dev, void *p) 559 { 560 int ret; 561 struct sockaddr *addr = p; 562 563 ret = eth_prepare_mac_addr_change(dev, p); 564 if (ret < 0) 565 return ret; 566 if (possibly_iphdr(addr->sa_data)) 567 return -EADDRNOTAVAIL; 568 eth_commit_mac_addr_change(dev, p); 569 return 0; 570 } 571 572 static const struct net_device_ops qmi_wwan_netdev_ops = { 573 .ndo_open = usbnet_open, 574 .ndo_stop = usbnet_stop, 575 .ndo_start_xmit = usbnet_start_xmit, 576 .ndo_tx_timeout = usbnet_tx_timeout, 577 .ndo_change_mtu = usbnet_change_mtu, 578 .ndo_get_stats64 = dev_get_tstats64, 579 .ndo_set_mac_address = qmi_wwan_mac_addr, 580 .ndo_validate_addr = eth_validate_addr, 581 }; 582 583 /* using a counter to merge subdriver requests with our own into a 584 * combined state 585 */ 586 static int qmi_wwan_manage_power(struct usbnet *dev, int on) 587 { 588 struct qmi_wwan_state *info = (void *)&dev->data; 589 int rv; 590 591 dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__, 592 atomic_read(&info->pmcount), on); 593 594 if ((on && atomic_add_return(1, &info->pmcount) == 1) || 595 (!on && atomic_dec_and_test(&info->pmcount))) { 596 /* need autopm_get/put here to ensure the usbcore sees 597 * the new value 598 */ 599 rv = usb_autopm_get_interface(dev->intf); 600 dev->intf->needs_remote_wakeup = on; 601 if (!rv) 602 usb_autopm_put_interface(dev->intf); 603 } 604 return 0; 605 } 606 607 static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on) 608 { 609 struct usbnet *dev = usb_get_intfdata(intf); 610 611 /* can be called while disconnecting */ 612 if (!dev) 613 return 0; 614 return qmi_wwan_manage_power(dev, on); 615 } 616 617 /* collect all three endpoints and register subdriver */ 618 static int qmi_wwan_register_subdriver(struct usbnet *dev) 619 { 620 int rv; 621 struct usb_driver *subdriver = NULL; 622 struct qmi_wwan_state *info = (void *)&dev->data; 623 624 /* collect bulk endpoints */ 625 rv = usbnet_get_endpoints(dev, info->data); 626 if (rv < 0) 627 goto err; 628 629 /* update status endpoint if separate control interface */ 630 if (info->control != info->data) 631 dev->status = &info->control->cur_altsetting->endpoint[0]; 632 633 /* require interrupt endpoint for subdriver */ 634 if (!dev->status) { 635 rv = -EINVAL; 636 goto err; 637 } 638 639 /* for subdriver power management */ 640 atomic_set(&info->pmcount, 0); 641 642 /* register subdriver */ 643 subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc, 644 4096, &qmi_wwan_cdc_wdm_manage_power); 645 if (IS_ERR(subdriver)) { 646 dev_err(&info->control->dev, "subdriver registration failed\n"); 647 rv = PTR_ERR(subdriver); 648 goto err; 649 } 650 651 /* prevent usbnet from using status endpoint */ 652 dev->status = NULL; 653 654 /* save subdriver struct for suspend/resume wrappers */ 655 info->subdriver = subdriver; 656 657 err: 658 return rv; 659 } 660 661 /* Send CDC SetControlLineState request, setting or clearing the DTR. 662 * "Required for Autoconnect and 9x30 to wake up" according to the 663 * GobiNet driver. The requirement has been verified on an MDM9230 664 * based Sierra Wireless MC7455 665 */ 666 static int qmi_wwan_change_dtr(struct usbnet *dev, bool on) 667 { 668 u8 intf = dev->intf->cur_altsetting->desc.bInterfaceNumber; 669 670 return usbnet_write_cmd(dev, USB_CDC_REQ_SET_CONTROL_LINE_STATE, 671 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 672 on ? 0x01 : 0x00, intf, NULL, 0); 673 } 674 675 static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) 676 { 677 int status; 678 u8 *buf = intf->cur_altsetting->extra; 679 int len = intf->cur_altsetting->extralen; 680 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 681 struct usb_cdc_union_desc *cdc_union; 682 struct usb_cdc_ether_desc *cdc_ether; 683 struct usb_driver *driver = driver_of(intf); 684 struct qmi_wwan_state *info = (void *)&dev->data; 685 struct usb_cdc_parsed_header hdr; 686 687 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) < 688 sizeof(struct qmi_wwan_state))); 689 690 /* set up initial state */ 691 info->control = intf; 692 info->data = intf; 693 694 /* and a number of CDC descriptors */ 695 cdc_parse_cdc_header(&hdr, intf, buf, len); 696 cdc_union = hdr.usb_cdc_union_desc; 697 cdc_ether = hdr.usb_cdc_ether_desc; 698 699 /* Use separate control and data interfaces if we found a CDC Union */ 700 if (cdc_union) { 701 info->data = usb_ifnum_to_if(dev->udev, 702 cdc_union->bSlaveInterface0); 703 if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 || 704 !info->data) { 705 dev_err(&intf->dev, 706 "bogus CDC Union: master=%u, slave=%u\n", 707 cdc_union->bMasterInterface0, 708 cdc_union->bSlaveInterface0); 709 710 /* ignore and continue... */ 711 cdc_union = NULL; 712 info->data = intf; 713 } 714 } 715 716 /* errors aren't fatal - we can live with the dynamic address */ 717 if (cdc_ether && cdc_ether->wMaxSegmentSize) { 718 dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize); 719 usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress); 720 } 721 722 /* claim data interface and set it up */ 723 if (info->control != info->data) { 724 status = usb_driver_claim_interface(driver, info->data, dev); 725 if (status < 0) 726 goto err; 727 } 728 729 status = qmi_wwan_register_subdriver(dev); 730 if (status < 0 && info->control != info->data) { 731 usb_set_intfdata(info->data, NULL); 732 usb_driver_release_interface(driver, info->data); 733 } 734 735 /* disabling remote wakeup on MDM9x30 devices has the same 736 * effect as clearing DTR. The device will not respond to QMI 737 * requests until we set DTR again. This is similar to a 738 * QMI_CTL SYNC request, clearing a lot of firmware state 739 * including the client ID allocations. 740 * 741 * Our usage model allows a session to span multiple 742 * open/close events, so we must prevent the firmware from 743 * clearing out state the clients might need. 744 * 745 * MDM9x30 is the first QMI chipset with USB3 support. Abuse 746 * this fact to enable the quirk for all USB3 devices. 747 * 748 * There are also chipsets with the same "set DTR" requirement 749 * but without USB3 support. Devices based on these chips 750 * need a quirk flag in the device ID table. 751 */ 752 if (dev->driver_info->data & QMI_WWAN_QUIRK_DTR || 753 le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 754 qmi_wwan_manage_power(dev, 1); 755 qmi_wwan_change_dtr(dev, true); 756 } 757 758 /* Never use the same address on both ends of the link, even if the 759 * buggy firmware told us to. Or, if device is assigned the well-known 760 * buggy firmware MAC address, replace it with a random address, 761 */ 762 if (ether_addr_equal(dev->net->dev_addr, default_modem_addr) || 763 ether_addr_equal(dev->net->dev_addr, buggy_fw_addr)) 764 eth_hw_addr_random(dev->net); 765 766 /* make MAC addr easily distinguishable from an IP header */ 767 if (possibly_iphdr(dev->net->dev_addr)) { 768 dev->net->dev_addr[0] |= 0x02; /* set local assignment bit */ 769 dev->net->dev_addr[0] &= 0xbf; /* clear "IP" bit */ 770 } 771 dev->net->netdev_ops = &qmi_wwan_netdev_ops; 772 dev->net->sysfs_groups[0] = &qmi_wwan_sysfs_attr_group; 773 err: 774 return status; 775 } 776 777 static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf) 778 { 779 struct qmi_wwan_state *info = (void *)&dev->data; 780 struct usb_driver *driver = driver_of(intf); 781 struct usb_interface *other; 782 783 if (info->subdriver && info->subdriver->disconnect) 784 info->subdriver->disconnect(info->control); 785 786 /* disable MDM9x30 quirk */ 787 if (le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 788 qmi_wwan_change_dtr(dev, false); 789 qmi_wwan_manage_power(dev, 0); 790 } 791 792 /* allow user to unbind using either control or data */ 793 if (intf == info->control) 794 other = info->data; 795 else 796 other = info->control; 797 798 /* only if not shared */ 799 if (other && intf != other) { 800 usb_set_intfdata(other, NULL); 801 usb_driver_release_interface(driver, other); 802 } 803 804 info->subdriver = NULL; 805 info->data = NULL; 806 info->control = NULL; 807 } 808 809 /* suspend/resume wrappers calling both usbnet and the cdc-wdm 810 * subdriver if present. 811 * 812 * NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide 813 * wrappers for those without adding usbnet reset support first. 814 */ 815 static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message) 816 { 817 struct usbnet *dev = usb_get_intfdata(intf); 818 struct qmi_wwan_state *info = (void *)&dev->data; 819 int ret; 820 821 /* Both usbnet_suspend() and subdriver->suspend() MUST return 0 822 * in system sleep context, otherwise, the resume callback has 823 * to recover device from previous suspend failure. 824 */ 825 ret = usbnet_suspend(intf, message); 826 if (ret < 0) 827 goto err; 828 829 if (intf == info->control && info->subdriver && 830 info->subdriver->suspend) 831 ret = info->subdriver->suspend(intf, message); 832 if (ret < 0) 833 usbnet_resume(intf); 834 err: 835 return ret; 836 } 837 838 static int qmi_wwan_resume(struct usb_interface *intf) 839 { 840 struct usbnet *dev = usb_get_intfdata(intf); 841 struct qmi_wwan_state *info = (void *)&dev->data; 842 int ret = 0; 843 bool callsub = (intf == info->control && info->subdriver && 844 info->subdriver->resume); 845 846 if (callsub) 847 ret = info->subdriver->resume(intf); 848 if (ret < 0) 849 goto err; 850 ret = usbnet_resume(intf); 851 if (ret < 0 && callsub) 852 info->subdriver->suspend(intf, PMSG_SUSPEND); 853 err: 854 return ret; 855 } 856 857 static const struct driver_info qmi_wwan_info = { 858 .description = "WWAN/QMI device", 859 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 860 .bind = qmi_wwan_bind, 861 .unbind = qmi_wwan_unbind, 862 .manage_power = qmi_wwan_manage_power, 863 .rx_fixup = qmi_wwan_rx_fixup, 864 }; 865 866 static const struct driver_info qmi_wwan_info_quirk_dtr = { 867 .description = "WWAN/QMI device", 868 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 869 .bind = qmi_wwan_bind, 870 .unbind = qmi_wwan_unbind, 871 .manage_power = qmi_wwan_manage_power, 872 .rx_fixup = qmi_wwan_rx_fixup, 873 .data = QMI_WWAN_QUIRK_DTR, 874 }; 875 876 #define HUAWEI_VENDOR_ID 0x12D1 877 878 /* map QMI/wwan function by a fixed interface number */ 879 #define QMI_FIXED_INTF(vend, prod, num) \ 880 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 881 .driver_info = (unsigned long)&qmi_wwan_info 882 883 /* devices requiring "set DTR" quirk */ 884 #define QMI_QUIRK_SET_DTR(vend, prod, num) \ 885 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 886 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 887 888 /* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */ 889 #define QMI_GOBI1K_DEVICE(vend, prod) \ 890 QMI_FIXED_INTF(vend, prod, 3) 891 892 /* Gobi 2000/3000 QMI/wwan interface number is 0 according to qcserial */ 893 #define QMI_GOBI_DEVICE(vend, prod) \ 894 QMI_FIXED_INTF(vend, prod, 0) 895 896 /* Many devices have QMI and DIAG functions which are distinguishable 897 * from other vendor specific functions by class, subclass and 898 * protocol all being 0xff. The DIAG function has exactly 2 endpoints 899 * and is silently rejected when probed. 900 * 901 * This makes it possible to match dynamically numbered QMI functions 902 * as seen on e.g. many Quectel modems. 903 */ 904 #define QMI_MATCH_FF_FF_FF(vend, prod) \ 905 USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_VENDOR_SPEC, \ 906 USB_SUBCLASS_VENDOR_SPEC, 0xff), \ 907 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 908 909 static const struct usb_device_id products[] = { 910 /* 1. CDC ECM like devices match on the control interface */ 911 { /* Huawei E392, E398 and possibly others sharing both device id and more... */ 912 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 9), 913 .driver_info = (unsigned long)&qmi_wwan_info, 914 }, 915 { /* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */ 916 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 57), 917 .driver_info = (unsigned long)&qmi_wwan_info, 918 }, 919 { /* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */ 920 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69), 921 .driver_info = (unsigned long)&qmi_wwan_info, 922 }, 923 { /* Motorola Mapphone devices with MDM6600 */ 924 USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC, 0xfb, 0xff), 925 .driver_info = (unsigned long)&qmi_wwan_info, 926 }, 927 928 /* 2. Combined interface devices matching on class+protocol */ 929 { /* Huawei E367 and possibly others in "Windows mode" */ 930 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7), 931 .driver_info = (unsigned long)&qmi_wwan_info, 932 }, 933 { /* Huawei E392, E398 and possibly others in "Windows mode" */ 934 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17), 935 .driver_info = (unsigned long)&qmi_wwan_info, 936 }, 937 { /* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */ 938 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x37), 939 .driver_info = (unsigned long)&qmi_wwan_info, 940 }, 941 { /* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */ 942 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x67), 943 .driver_info = (unsigned long)&qmi_wwan_info, 944 }, 945 { /* Pantech UML290, P4200 and more */ 946 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff), 947 .driver_info = (unsigned long)&qmi_wwan_info, 948 }, 949 { /* Pantech UML290 - newer firmware */ 950 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff), 951 .driver_info = (unsigned long)&qmi_wwan_info, 952 }, 953 { /* Novatel USB551L and MC551 */ 954 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001, 955 USB_CLASS_COMM, 956 USB_CDC_SUBCLASS_ETHERNET, 957 USB_CDC_PROTO_NONE), 958 .driver_info = (unsigned long)&qmi_wwan_info, 959 }, 960 { /* Novatel E362 */ 961 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010, 962 USB_CLASS_COMM, 963 USB_CDC_SUBCLASS_ETHERNET, 964 USB_CDC_PROTO_NONE), 965 .driver_info = (unsigned long)&qmi_wwan_info, 966 }, 967 { /* Novatel Expedite E371 */ 968 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9011, 969 USB_CLASS_COMM, 970 USB_CDC_SUBCLASS_ETHERNET, 971 USB_CDC_PROTO_NONE), 972 .driver_info = (unsigned long)&qmi_wwan_info, 973 }, 974 { /* Dell Wireless 5800 (Novatel E362) */ 975 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195, 976 USB_CLASS_COMM, 977 USB_CDC_SUBCLASS_ETHERNET, 978 USB_CDC_PROTO_NONE), 979 .driver_info = (unsigned long)&qmi_wwan_info, 980 }, 981 { /* Dell Wireless 5800 V2 (Novatel E362) */ 982 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196, 983 USB_CLASS_COMM, 984 USB_CDC_SUBCLASS_ETHERNET, 985 USB_CDC_PROTO_NONE), 986 .driver_info = (unsigned long)&qmi_wwan_info, 987 }, 988 { /* Dell Wireless 5804 (Novatel E371) */ 989 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b, 990 USB_CLASS_COMM, 991 USB_CDC_SUBCLASS_ETHERNET, 992 USB_CDC_PROTO_NONE), 993 .driver_info = (unsigned long)&qmi_wwan_info, 994 }, 995 { /* ADU960S */ 996 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, 997 USB_CLASS_COMM, 998 USB_CDC_SUBCLASS_ETHERNET, 999 USB_CDC_PROTO_NONE), 1000 .driver_info = (unsigned long)&qmi_wwan_info, 1001 }, 1002 { /* HP lt2523 (Novatel E371) */ 1003 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 1004 USB_CLASS_COMM, 1005 USB_CDC_SUBCLASS_ETHERNET, 1006 USB_CDC_PROTO_NONE), 1007 .driver_info = (unsigned long)&qmi_wwan_info, 1008 }, 1009 { /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */ 1010 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7), 1011 .driver_info = (unsigned long)&qmi_wwan_info, 1012 }, 1013 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ 1014 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */ 1015 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */ 1016 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0620)}, /* Quectel EM160R-GL */ 1017 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0800)}, /* Quectel RM500Q-GL */ 1018 1019 /* 3. Combined interface devices matching on interface number */ 1020 {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */ 1021 {QMI_FIXED_INTF(0x05c6, 0x6001, 3)}, /* 4G LTE usb-modem U901 */ 1022 {QMI_FIXED_INTF(0x05c6, 0x7000, 0)}, 1023 {QMI_FIXED_INTF(0x05c6, 0x7001, 1)}, 1024 {QMI_FIXED_INTF(0x05c6, 0x7002, 1)}, 1025 {QMI_FIXED_INTF(0x05c6, 0x7101, 1)}, 1026 {QMI_FIXED_INTF(0x05c6, 0x7101, 2)}, 1027 {QMI_FIXED_INTF(0x05c6, 0x7101, 3)}, 1028 {QMI_FIXED_INTF(0x05c6, 0x7102, 1)}, 1029 {QMI_FIXED_INTF(0x05c6, 0x7102, 2)}, 1030 {QMI_FIXED_INTF(0x05c6, 0x7102, 3)}, 1031 {QMI_FIXED_INTF(0x05c6, 0x8000, 7)}, 1032 {QMI_FIXED_INTF(0x05c6, 0x8001, 6)}, 1033 {QMI_FIXED_INTF(0x05c6, 0x9000, 4)}, 1034 {QMI_FIXED_INTF(0x05c6, 0x9003, 4)}, 1035 {QMI_FIXED_INTF(0x05c6, 0x9005, 2)}, 1036 {QMI_FIXED_INTF(0x05c6, 0x900a, 4)}, 1037 {QMI_FIXED_INTF(0x05c6, 0x900b, 2)}, 1038 {QMI_FIXED_INTF(0x05c6, 0x900c, 4)}, 1039 {QMI_FIXED_INTF(0x05c6, 0x900c, 5)}, 1040 {QMI_FIXED_INTF(0x05c6, 0x900c, 6)}, 1041 {QMI_FIXED_INTF(0x05c6, 0x900d, 5)}, 1042 {QMI_FIXED_INTF(0x05c6, 0x900f, 3)}, 1043 {QMI_FIXED_INTF(0x05c6, 0x900f, 4)}, 1044 {QMI_FIXED_INTF(0x05c6, 0x900f, 5)}, 1045 {QMI_FIXED_INTF(0x05c6, 0x9010, 4)}, 1046 {QMI_FIXED_INTF(0x05c6, 0x9010, 5)}, 1047 {QMI_FIXED_INTF(0x05c6, 0x9011, 3)}, 1048 {QMI_FIXED_INTF(0x05c6, 0x9011, 4)}, 1049 {QMI_FIXED_INTF(0x05c6, 0x9021, 1)}, 1050 {QMI_FIXED_INTF(0x05c6, 0x9022, 2)}, 1051 {QMI_QUIRK_SET_DTR(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD LTE (China Mobile) */ 1052 {QMI_FIXED_INTF(0x05c6, 0x9026, 3)}, 1053 {QMI_FIXED_INTF(0x05c6, 0x902e, 5)}, 1054 {QMI_FIXED_INTF(0x05c6, 0x9031, 5)}, 1055 {QMI_FIXED_INTF(0x05c6, 0x9032, 4)}, 1056 {QMI_FIXED_INTF(0x05c6, 0x9033, 3)}, 1057 {QMI_FIXED_INTF(0x05c6, 0x9033, 4)}, 1058 {QMI_FIXED_INTF(0x05c6, 0x9033, 5)}, 1059 {QMI_FIXED_INTF(0x05c6, 0x9033, 6)}, 1060 {QMI_FIXED_INTF(0x05c6, 0x9034, 3)}, 1061 {QMI_FIXED_INTF(0x05c6, 0x9034, 4)}, 1062 {QMI_FIXED_INTF(0x05c6, 0x9034, 5)}, 1063 {QMI_FIXED_INTF(0x05c6, 0x9034, 6)}, 1064 {QMI_FIXED_INTF(0x05c6, 0x9034, 7)}, 1065 {QMI_FIXED_INTF(0x05c6, 0x9035, 4)}, 1066 {QMI_FIXED_INTF(0x05c6, 0x9036, 3)}, 1067 {QMI_FIXED_INTF(0x05c6, 0x9037, 5)}, 1068 {QMI_FIXED_INTF(0x05c6, 0x9038, 4)}, 1069 {QMI_FIXED_INTF(0x05c6, 0x903b, 7)}, 1070 {QMI_FIXED_INTF(0x05c6, 0x903c, 6)}, 1071 {QMI_FIXED_INTF(0x05c6, 0x903d, 6)}, 1072 {QMI_FIXED_INTF(0x05c6, 0x903e, 5)}, 1073 {QMI_FIXED_INTF(0x05c6, 0x9043, 3)}, 1074 {QMI_FIXED_INTF(0x05c6, 0x9046, 3)}, 1075 {QMI_FIXED_INTF(0x05c6, 0x9046, 4)}, 1076 {QMI_FIXED_INTF(0x05c6, 0x9046, 5)}, 1077 {QMI_FIXED_INTF(0x05c6, 0x9047, 2)}, 1078 {QMI_FIXED_INTF(0x05c6, 0x9047, 3)}, 1079 {QMI_FIXED_INTF(0x05c6, 0x9047, 4)}, 1080 {QMI_FIXED_INTF(0x05c6, 0x9048, 4)}, 1081 {QMI_FIXED_INTF(0x05c6, 0x9048, 5)}, 1082 {QMI_FIXED_INTF(0x05c6, 0x9048, 6)}, 1083 {QMI_FIXED_INTF(0x05c6, 0x9048, 7)}, 1084 {QMI_FIXED_INTF(0x05c6, 0x9048, 8)}, 1085 {QMI_FIXED_INTF(0x05c6, 0x904c, 5)}, 1086 {QMI_FIXED_INTF(0x05c6, 0x904c, 6)}, 1087 {QMI_FIXED_INTF(0x05c6, 0x904c, 7)}, 1088 {QMI_FIXED_INTF(0x05c6, 0x904c, 8)}, 1089 {QMI_FIXED_INTF(0x05c6, 0x9050, 3)}, 1090 {QMI_FIXED_INTF(0x05c6, 0x9052, 4)}, 1091 {QMI_FIXED_INTF(0x05c6, 0x9053, 6)}, 1092 {QMI_FIXED_INTF(0x05c6, 0x9053, 7)}, 1093 {QMI_FIXED_INTF(0x05c6, 0x9054, 5)}, 1094 {QMI_FIXED_INTF(0x05c6, 0x9054, 6)}, 1095 {QMI_FIXED_INTF(0x05c6, 0x9055, 3)}, 1096 {QMI_FIXED_INTF(0x05c6, 0x9055, 4)}, 1097 {QMI_FIXED_INTF(0x05c6, 0x9055, 5)}, 1098 {QMI_FIXED_INTF(0x05c6, 0x9055, 6)}, 1099 {QMI_FIXED_INTF(0x05c6, 0x9055, 7)}, 1100 {QMI_FIXED_INTF(0x05c6, 0x9056, 3)}, 1101 {QMI_FIXED_INTF(0x05c6, 0x9062, 2)}, 1102 {QMI_FIXED_INTF(0x05c6, 0x9062, 3)}, 1103 {QMI_FIXED_INTF(0x05c6, 0x9062, 4)}, 1104 {QMI_FIXED_INTF(0x05c6, 0x9062, 5)}, 1105 {QMI_FIXED_INTF(0x05c6, 0x9062, 6)}, 1106 {QMI_FIXED_INTF(0x05c6, 0x9062, 7)}, 1107 {QMI_FIXED_INTF(0x05c6, 0x9062, 8)}, 1108 {QMI_FIXED_INTF(0x05c6, 0x9062, 9)}, 1109 {QMI_FIXED_INTF(0x05c6, 0x9064, 3)}, 1110 {QMI_FIXED_INTF(0x05c6, 0x9065, 6)}, 1111 {QMI_FIXED_INTF(0x05c6, 0x9065, 7)}, 1112 {QMI_FIXED_INTF(0x05c6, 0x9066, 5)}, 1113 {QMI_FIXED_INTF(0x05c6, 0x9066, 6)}, 1114 {QMI_FIXED_INTF(0x05c6, 0x9067, 1)}, 1115 {QMI_FIXED_INTF(0x05c6, 0x9068, 2)}, 1116 {QMI_FIXED_INTF(0x05c6, 0x9068, 3)}, 1117 {QMI_FIXED_INTF(0x05c6, 0x9068, 4)}, 1118 {QMI_FIXED_INTF(0x05c6, 0x9068, 5)}, 1119 {QMI_FIXED_INTF(0x05c6, 0x9068, 6)}, 1120 {QMI_FIXED_INTF(0x05c6, 0x9068, 7)}, 1121 {QMI_FIXED_INTF(0x05c6, 0x9069, 5)}, 1122 {QMI_FIXED_INTF(0x05c6, 0x9069, 6)}, 1123 {QMI_FIXED_INTF(0x05c6, 0x9069, 7)}, 1124 {QMI_FIXED_INTF(0x05c6, 0x9069, 8)}, 1125 {QMI_FIXED_INTF(0x05c6, 0x9070, 4)}, 1126 {QMI_FIXED_INTF(0x05c6, 0x9070, 5)}, 1127 {QMI_FIXED_INTF(0x05c6, 0x9075, 5)}, 1128 {QMI_FIXED_INTF(0x05c6, 0x9076, 4)}, 1129 {QMI_FIXED_INTF(0x05c6, 0x9076, 5)}, 1130 {QMI_FIXED_INTF(0x05c6, 0x9076, 6)}, 1131 {QMI_FIXED_INTF(0x05c6, 0x9076, 7)}, 1132 {QMI_FIXED_INTF(0x05c6, 0x9076, 8)}, 1133 {QMI_FIXED_INTF(0x05c6, 0x9077, 3)}, 1134 {QMI_FIXED_INTF(0x05c6, 0x9077, 4)}, 1135 {QMI_FIXED_INTF(0x05c6, 0x9077, 5)}, 1136 {QMI_FIXED_INTF(0x05c6, 0x9077, 6)}, 1137 {QMI_FIXED_INTF(0x05c6, 0x9078, 3)}, 1138 {QMI_FIXED_INTF(0x05c6, 0x9079, 4)}, 1139 {QMI_FIXED_INTF(0x05c6, 0x9079, 5)}, 1140 {QMI_FIXED_INTF(0x05c6, 0x9079, 6)}, 1141 {QMI_FIXED_INTF(0x05c6, 0x9079, 7)}, 1142 {QMI_FIXED_INTF(0x05c6, 0x9079, 8)}, 1143 {QMI_FIXED_INTF(0x05c6, 0x9080, 5)}, 1144 {QMI_FIXED_INTF(0x05c6, 0x9080, 6)}, 1145 {QMI_FIXED_INTF(0x05c6, 0x9080, 7)}, 1146 {QMI_FIXED_INTF(0x05c6, 0x9080, 8)}, 1147 {QMI_FIXED_INTF(0x05c6, 0x9083, 3)}, 1148 {QMI_FIXED_INTF(0x05c6, 0x9084, 4)}, 1149 {QMI_FIXED_INTF(0x05c6, 0x90b2, 3)}, /* ublox R410M */ 1150 {QMI_FIXED_INTF(0x05c6, 0x920d, 0)}, 1151 {QMI_FIXED_INTF(0x05c6, 0x920d, 5)}, 1152 {QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)}, /* YUGA CLM920-NC5 */ 1153 {QMI_FIXED_INTF(0x0846, 0x68a2, 8)}, 1154 {QMI_FIXED_INTF(0x0846, 0x68d3, 8)}, /* Netgear Aircard 779S */ 1155 {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ 1156 {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */ 1157 {QMI_FIXED_INTF(0x1435, 0x0918, 3)}, /* Wistron NeWeb D16Q1 */ 1158 {QMI_FIXED_INTF(0x1435, 0x0918, 4)}, /* Wistron NeWeb D16Q1 */ 1159 {QMI_FIXED_INTF(0x1435, 0x0918, 5)}, /* Wistron NeWeb D16Q1 */ 1160 {QMI_FIXED_INTF(0x1435, 0x3185, 4)}, /* Wistron NeWeb M18Q5 */ 1161 {QMI_FIXED_INTF(0x1435, 0xd111, 4)}, /* M9615A DM11-1 D51QC */ 1162 {QMI_FIXED_INTF(0x1435, 0xd181, 3)}, /* Wistron NeWeb D18Q1 */ 1163 {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */ 1164 {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */ 1165 {QMI_FIXED_INTF(0x1435, 0xd182, 4)}, /* Wistron NeWeb D18 */ 1166 {QMI_FIXED_INTF(0x1435, 0xd182, 5)}, /* Wistron NeWeb D18 */ 1167 {QMI_FIXED_INTF(0x1435, 0xd191, 4)}, /* Wistron NeWeb D19Q1 */ 1168 {QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)}, /* Fibocom NL668 series */ 1169 {QMI_FIXED_INTF(0x1690, 0x7588, 4)}, /* ASKEY WWHC050 */ 1170 {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ 1171 {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */ 1172 {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */ 1173 {QMI_FIXED_INTF(0x16d8, 0x6280, 0)}, /* CMOTech CHU-628 */ 1174 {QMI_FIXED_INTF(0x16d8, 0x7001, 0)}, /* CMOTech CHU-720S */ 1175 {QMI_FIXED_INTF(0x16d8, 0x7002, 0)}, /* CMOTech 7002 */ 1176 {QMI_FIXED_INTF(0x16d8, 0x7003, 4)}, /* CMOTech CHU-629K */ 1177 {QMI_FIXED_INTF(0x16d8, 0x7004, 3)}, /* CMOTech 7004 */ 1178 {QMI_FIXED_INTF(0x16d8, 0x7006, 5)}, /* CMOTech CGU-629 */ 1179 {QMI_FIXED_INTF(0x16d8, 0x700a, 4)}, /* CMOTech CHU-629S */ 1180 {QMI_FIXED_INTF(0x16d8, 0x7211, 0)}, /* CMOTech CHU-720I */ 1181 {QMI_FIXED_INTF(0x16d8, 0x7212, 0)}, /* CMOTech 7212 */ 1182 {QMI_FIXED_INTF(0x16d8, 0x7213, 0)}, /* CMOTech 7213 */ 1183 {QMI_FIXED_INTF(0x16d8, 0x7251, 1)}, /* CMOTech 7251 */ 1184 {QMI_FIXED_INTF(0x16d8, 0x7252, 1)}, /* CMOTech 7252 */ 1185 {QMI_FIXED_INTF(0x16d8, 0x7253, 1)}, /* CMOTech 7253 */ 1186 {QMI_FIXED_INTF(0x19d2, 0x0002, 1)}, 1187 {QMI_FIXED_INTF(0x19d2, 0x0012, 1)}, 1188 {QMI_FIXED_INTF(0x19d2, 0x0017, 3)}, 1189 {QMI_FIXED_INTF(0x19d2, 0x0019, 3)}, /* ONDA MT689DC */ 1190 {QMI_FIXED_INTF(0x19d2, 0x0021, 4)}, 1191 {QMI_FIXED_INTF(0x19d2, 0x0025, 1)}, 1192 {QMI_FIXED_INTF(0x19d2, 0x0031, 4)}, 1193 {QMI_FIXED_INTF(0x19d2, 0x0042, 4)}, 1194 {QMI_FIXED_INTF(0x19d2, 0x0049, 5)}, 1195 {QMI_FIXED_INTF(0x19d2, 0x0052, 4)}, 1196 {QMI_FIXED_INTF(0x19d2, 0x0055, 1)}, /* ZTE (Vodafone) K3520-Z */ 1197 {QMI_FIXED_INTF(0x19d2, 0x0058, 4)}, 1198 {QMI_FIXED_INTF(0x19d2, 0x0063, 4)}, /* ZTE (Vodafone) K3565-Z */ 1199 {QMI_FIXED_INTF(0x19d2, 0x0104, 4)}, /* ZTE (Vodafone) K4505-Z */ 1200 {QMI_FIXED_INTF(0x19d2, 0x0113, 5)}, 1201 {QMI_FIXED_INTF(0x19d2, 0x0118, 5)}, 1202 {QMI_FIXED_INTF(0x19d2, 0x0121, 5)}, 1203 {QMI_FIXED_INTF(0x19d2, 0x0123, 4)}, 1204 {QMI_FIXED_INTF(0x19d2, 0x0124, 5)}, 1205 {QMI_FIXED_INTF(0x19d2, 0x0125, 6)}, 1206 {QMI_FIXED_INTF(0x19d2, 0x0126, 5)}, 1207 {QMI_FIXED_INTF(0x19d2, 0x0130, 1)}, 1208 {QMI_FIXED_INTF(0x19d2, 0x0133, 3)}, 1209 {QMI_FIXED_INTF(0x19d2, 0x0141, 5)}, 1210 {QMI_FIXED_INTF(0x19d2, 0x0157, 5)}, /* ZTE MF683 */ 1211 {QMI_FIXED_INTF(0x19d2, 0x0158, 3)}, 1212 {QMI_FIXED_INTF(0x19d2, 0x0167, 4)}, /* ZTE MF820D */ 1213 {QMI_FIXED_INTF(0x19d2, 0x0168, 4)}, 1214 {QMI_FIXED_INTF(0x19d2, 0x0176, 3)}, 1215 {QMI_FIXED_INTF(0x19d2, 0x0178, 3)}, 1216 {QMI_FIXED_INTF(0x19d2, 0x0191, 4)}, /* ZTE EuFi890 */ 1217 {QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */ 1218 {QMI_FIXED_INTF(0x19d2, 0x0200, 1)}, 1219 {QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */ 1220 {QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */ 1221 {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */ 1222 {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */ 1223 {QMI_FIXED_INTF(0x19d2, 0x0396, 3)}, /* ZTE ZM8620 */ 1224 {QMI_FIXED_INTF(0x19d2, 0x0412, 4)}, /* Telewell TW-LTE 4G */ 1225 {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */ 1226 {QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */ 1227 {QMI_FIXED_INTF(0x19d2, 0x1012, 4)}, 1228 {QMI_FIXED_INTF(0x19d2, 0x1018, 3)}, /* ZTE (Vodafone) K5006-Z */ 1229 {QMI_FIXED_INTF(0x19d2, 0x1021, 2)}, 1230 {QMI_FIXED_INTF(0x19d2, 0x1245, 4)}, 1231 {QMI_FIXED_INTF(0x19d2, 0x1247, 4)}, 1232 {QMI_FIXED_INTF(0x19d2, 0x1252, 4)}, 1233 {QMI_FIXED_INTF(0x19d2, 0x1254, 4)}, 1234 {QMI_FIXED_INTF(0x19d2, 0x1255, 3)}, 1235 {QMI_FIXED_INTF(0x19d2, 0x1255, 4)}, 1236 {QMI_FIXED_INTF(0x19d2, 0x1256, 4)}, 1237 {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */ 1238 {QMI_FIXED_INTF(0x19d2, 0x1401, 2)}, 1239 {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */ 1240 {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, 1241 {QMI_FIXED_INTF(0x19d2, 0x1425, 2)}, 1242 {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */ 1243 {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */ 1244 {QMI_FIXED_INTF(0x19d2, 0x1432, 3)}, /* ZTE ME3620 */ 1245 {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ 1246 {QMI_FIXED_INTF(0x2001, 0x7e16, 3)}, /* D-Link DWM-221 */ 1247 {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */ 1248 {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */ 1249 {QMI_FIXED_INTF(0x2001, 0x7e3d, 4)}, /* D-Link DWM-222 A2 */ 1250 {QMI_FIXED_INTF(0x2020, 0x2031, 4)}, /* Olicard 600 */ 1251 {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */ 1252 {QMI_FIXED_INTF(0x2020, 0x2060, 4)}, /* BroadMobi BM818 */ 1253 {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ 1254 {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ 1255 {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ 1256 {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ 1257 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354, WP76xx */ 1258 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 10)},/* Sierra Wireless MC7304/MC7354 */ 1259 {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ 1260 {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */ 1261 {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */ 1262 {QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */ 1263 {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ 1264 {QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */ 1265 {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */ 1266 {QMI_FIXED_INTF(0x1199, 0x9055, 8)}, /* Netgear AirCard 341U */ 1267 {QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */ 1268 {QMI_FIXED_INTF(0x1199, 0x9057, 8)}, 1269 {QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */ 1270 {QMI_FIXED_INTF(0x1199, 0x9063, 8)}, /* Sierra Wireless EM7305 */ 1271 {QMI_FIXED_INTF(0x1199, 0x9063, 10)}, /* Sierra Wireless EM7305 */ 1272 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 8)}, /* Sierra Wireless MC74xx */ 1273 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 10)},/* Sierra Wireless MC74xx */ 1274 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 8)}, /* Sierra Wireless EM74xx */ 1275 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 10)},/* Sierra Wireless EM74xx */ 1276 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 8)}, /* Sierra Wireless EM74xx */ 1277 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 10)},/* Sierra Wireless EM74xx */ 1278 {QMI_QUIRK_SET_DTR(0x1199, 0x9091, 8)}, /* Sierra Wireless EM7565 */ 1279 {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ 1280 {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */ 1281 {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ 1282 {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ 1283 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1031, 3)}, /* Telit LE910C1-EUX */ 1284 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ 1285 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */ 1286 {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ 1287 {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */ 1288 {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ 1289 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */ 1290 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1230, 2)}, /* Telit LE910Cx */ 1291 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)}, /* Telit LE910Cx */ 1292 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)}, /* Telit LE910Cx */ 1293 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */ 1294 {QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */ 1295 {QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */ 1296 {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ 1297 {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ 1298 {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ 1299 {QMI_FIXED_INTF(0x0b3c, 0xc002, 4)}, /* Olivetti Olicard 140 */ 1300 {QMI_FIXED_INTF(0x0b3c, 0xc004, 6)}, /* Olivetti Olicard 155 */ 1301 {QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */ 1302 {QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */ 1303 {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */ 1304 {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ 1305 {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */ 1306 {QMI_FIXED_INTF(0x1e2d, 0x0063, 10)}, /* Cinterion ALASxx (1 RmNet) */ 1307 {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1308 {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1309 {QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/ 1310 {QMI_QUIRK_SET_DTR(0x1e2d, 0x00b0, 4)}, /* Cinterion CLS8 */ 1311 {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ 1312 {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ 1313 {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ 1314 {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ 1315 {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ 1316 {QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ 1317 {QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ 1318 {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */ 1319 {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */ 1320 {QMI_FIXED_INTF(0x413c, 0x81cc, 8)}, /* Dell Wireless 5816e */ 1321 {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */ 1322 {QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */ 1323 {QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/ 1324 {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ 1325 {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ 1326 {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ 1327 {QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */ 1328 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */ 1329 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */ 1330 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0195, 4)}, /* Quectel EG95 */ 1331 {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ 1332 {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */ 1333 {QMI_FIXED_INTF(0x0489, 0xe0b4, 0)}, /* Foxconn T77W968 LTE */ 1334 {QMI_FIXED_INTF(0x0489, 0xe0b5, 0)}, /* Foxconn T77W968 LTE with eSIM support*/ 1335 {QMI_FIXED_INTF(0x2692, 0x9025, 4)}, /* Cellient MPL200 (rebranded Qualcomm 05c6:9025) */ 1336 1337 /* 4. Gobi 1000 devices */ 1338 {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ 1339 {QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ 1340 {QMI_GOBI1K_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ 1341 {QMI_GOBI1K_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ 1342 {QMI_GOBI1K_DEVICE(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */ 1343 {QMI_GOBI1K_DEVICE(0x1410, 0xa002)}, /* Novatel Gobi Modem device */ 1344 {QMI_GOBI1K_DEVICE(0x1410, 0xa003)}, /* Novatel Gobi Modem device */ 1345 {QMI_GOBI1K_DEVICE(0x1410, 0xa004)}, /* Novatel Gobi Modem device */ 1346 {QMI_GOBI1K_DEVICE(0x1410, 0xa005)}, /* Novatel Gobi Modem device */ 1347 {QMI_GOBI1K_DEVICE(0x1410, 0xa006)}, /* Novatel Gobi Modem device */ 1348 {QMI_GOBI1K_DEVICE(0x1410, 0xa007)}, /* Novatel Gobi Modem device */ 1349 {QMI_GOBI1K_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ 1350 {QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ 1351 {QMI_GOBI1K_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ 1352 {QMI_GOBI1K_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ 1353 {QMI_GOBI1K_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ 1354 {QMI_GOBI1K_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ 1355 {QMI_GOBI1K_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ 1356 {QMI_GOBI1K_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ 1357 1358 /* 5. Gobi 2000 and 3000 devices */ 1359 {QMI_GOBI_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ 1360 {QMI_GOBI_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ 1361 {QMI_GOBI_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ 1362 {QMI_GOBI_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ 1363 {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ 1364 {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ 1365 {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ 1366 {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */ 1367 {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ 1368 {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ 1369 {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ 1370 {QMI_GOBI_DEVICE(0x0af0, 0x8120)}, /* Option GTM681W */ 1371 {QMI_GOBI_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */ 1372 {QMI_GOBI_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */ 1373 {QMI_GOBI_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1374 {QMI_GOBI_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1375 {QMI_GOBI_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1376 {QMI_GOBI_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1377 {QMI_GOBI_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1378 {QMI_GOBI_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1379 {QMI_GOBI_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1380 {QMI_GOBI_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1381 {QMI_GOBI_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1382 {QMI_GOBI_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1383 {QMI_GOBI_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ 1384 {QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ 1385 {QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ 1386 {QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ 1387 {QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ 1388 {QMI_GOBI_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ 1389 {QMI_GOBI_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ 1390 {QMI_GOBI_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ 1391 {QMI_GOBI_DEVICE(0x12d1, 0x14f1)}, /* Sony Gobi 3000 Composite */ 1392 {QMI_GOBI_DEVICE(0x1410, 0xa021)}, /* Foxconn Gobi 3000 Modem device (Novatel E396) */ 1393 1394 { } /* END */ 1395 }; 1396 MODULE_DEVICE_TABLE(usb, products); 1397 1398 static bool quectel_ec20_detected(struct usb_interface *intf) 1399 { 1400 struct usb_device *dev = interface_to_usbdev(intf); 1401 1402 if (dev->actconfig && 1403 le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 && 1404 le16_to_cpu(dev->descriptor.idProduct) == 0x9215 && 1405 dev->actconfig->desc.bNumInterfaces == 5) 1406 return true; 1407 1408 return false; 1409 } 1410 1411 static int qmi_wwan_probe(struct usb_interface *intf, 1412 const struct usb_device_id *prod) 1413 { 1414 struct usb_device_id *id = (struct usb_device_id *)prod; 1415 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 1416 1417 /* Workaround to enable dynamic IDs. This disables usbnet 1418 * blacklisting functionality. Which, if required, can be 1419 * reimplemented here by using a magic "blacklist" value 1420 * instead of 0 in the static device id table 1421 */ 1422 if (!id->driver_info) { 1423 dev_dbg(&intf->dev, "setting defaults for dynamic device id\n"); 1424 id->driver_info = (unsigned long)&qmi_wwan_info; 1425 } 1426 1427 /* There are devices where the same interface number can be 1428 * configured as different functions. We should only bind to 1429 * vendor specific functions when matching on interface number 1430 */ 1431 if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER && 1432 desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) { 1433 dev_dbg(&intf->dev, 1434 "Rejecting interface number match for class %02x\n", 1435 desc->bInterfaceClass); 1436 return -ENODEV; 1437 } 1438 1439 /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */ 1440 if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) { 1441 dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n"); 1442 return -ENODEV; 1443 } 1444 1445 /* Several Quectel modems supports dynamic interface configuration, so 1446 * we need to match on class/subclass/protocol. These values are 1447 * identical for the diagnostic- and QMI-interface, but bNumEndpoints is 1448 * different. Ignore the current interface if the number of endpoints 1449 * equals the number for the diag interface (two). 1450 */ 1451 if (desc->bNumEndpoints == 2) 1452 return -ENODEV; 1453 1454 return usbnet_probe(intf, id); 1455 } 1456 1457 static void qmi_wwan_disconnect(struct usb_interface *intf) 1458 { 1459 struct usbnet *dev = usb_get_intfdata(intf); 1460 struct qmi_wwan_state *info; 1461 struct list_head *iter; 1462 struct net_device *ldev; 1463 LIST_HEAD(list); 1464 1465 /* called twice if separate control and data intf */ 1466 if (!dev) 1467 return; 1468 info = (void *)&dev->data; 1469 if (info->flags & QMI_WWAN_FLAG_MUX) { 1470 if (!rtnl_trylock()) { 1471 restart_syscall(); 1472 return; 1473 } 1474 rcu_read_lock(); 1475 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) 1476 qmimux_unregister_device(ldev, &list); 1477 rcu_read_unlock(); 1478 unregister_netdevice_many(&list); 1479 rtnl_unlock(); 1480 info->flags &= ~QMI_WWAN_FLAG_MUX; 1481 } 1482 usbnet_disconnect(intf); 1483 } 1484 1485 static struct usb_driver qmi_wwan_driver = { 1486 .name = "qmi_wwan", 1487 .id_table = products, 1488 .probe = qmi_wwan_probe, 1489 .disconnect = qmi_wwan_disconnect, 1490 .suspend = qmi_wwan_suspend, 1491 .resume = qmi_wwan_resume, 1492 .reset_resume = qmi_wwan_resume, 1493 .supports_autosuspend = 1, 1494 .disable_hub_initiated_lpm = 1, 1495 }; 1496 1497 module_usb_driver(qmi_wwan_driver); 1498 1499 MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>"); 1500 MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver"); 1501 MODULE_LICENSE("GPL"); 1502