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 */ 49struct 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 57enum qmi_wwan_flags { 58 QMI_WWAN_FLAG_RAWIP = 1 << 0, 59 QMI_WWAN_FLAG_MUX = 1 << 1, 60}; 61 62enum qmi_wwan_quirks { 63 QMI_WWAN_QUIRK_DTR = 1 << 0, /* needs "set DTR" request */ 64}; 65 66struct qmimux_hdr { 67 u8 pad; 68 u8 mux_id; 69 __be16 pkt_len; 70}; 71 72struct qmimux_priv { 73 struct net_device *real_dev; 74 u8 mux_id; 75 struct pcpu_sw_netstats __percpu *stats64; 76}; 77 78static 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 91static int qmimux_stop(struct net_device *dev) 92{ 93 netif_carrier_off(dev); 94 return 0; 95} 96 97static netdev_tx_t qmimux_start_xmit(struct sk_buff *skb, struct net_device *dev) 98{ 99 struct qmimux_priv *priv = netdev_priv(dev); 100 unsigned int len = skb->len; 101 struct qmimux_hdr *hdr; 102 netdev_tx_t ret; 103 104 hdr = skb_push(skb, sizeof(struct qmimux_hdr)); 105 hdr->pad = 0; 106 hdr->mux_id = priv->mux_id; 107 hdr->pkt_len = cpu_to_be16(len); 108 skb->dev = priv->real_dev; 109 ret = dev_queue_xmit(skb); 110 111 if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) { 112 struct pcpu_sw_netstats *stats64 = this_cpu_ptr(priv->stats64); 113 114 u64_stats_update_begin(&stats64->syncp); 115 stats64->tx_packets++; 116 stats64->tx_bytes += len; 117 u64_stats_update_end(&stats64->syncp); 118 } else { 119 dev->stats.tx_dropped++; 120 } 121 122 return ret; 123} 124 125static void qmimux_get_stats64(struct net_device *net, 126 struct rtnl_link_stats64 *stats) 127{ 128 struct qmimux_priv *priv = netdev_priv(net); 129 130 netdev_stats_to_stats64(stats, &net->stats); 131 dev_fetch_sw_netstats(stats, priv->stats64); 132} 133 134static const struct net_device_ops qmimux_netdev_ops = { 135 .ndo_open = qmimux_open, 136 .ndo_stop = qmimux_stop, 137 .ndo_start_xmit = qmimux_start_xmit, 138 .ndo_get_stats64 = qmimux_get_stats64, 139}; 140 141static void qmimux_setup(struct net_device *dev) 142{ 143 dev->header_ops = NULL; /* No header */ 144 dev->type = ARPHRD_NONE; 145 dev->hard_header_len = 0; 146 dev->addr_len = 0; 147 dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 148 dev->netdev_ops = &qmimux_netdev_ops; 149 dev->mtu = 1500; 150 dev->needs_free_netdev = true; 151} 152 153static struct net_device *qmimux_find_dev(struct usbnet *dev, u8 mux_id) 154{ 155 struct qmimux_priv *priv; 156 struct list_head *iter; 157 struct net_device *ldev; 158 159 rcu_read_lock(); 160 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) { 161 priv = netdev_priv(ldev); 162 if (priv->mux_id == mux_id) { 163 rcu_read_unlock(); 164 return ldev; 165 } 166 } 167 rcu_read_unlock(); 168 return NULL; 169} 170 171static bool qmimux_has_slaves(struct usbnet *dev) 172{ 173 return !list_empty(&dev->net->adj_list.upper); 174} 175 176static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 177{ 178 unsigned int len, offset = 0, pad_len, pkt_len; 179 struct qmimux_hdr *hdr; 180 struct net_device *net; 181 struct sk_buff *skbn; 182 u8 qmimux_hdr_sz = sizeof(*hdr); 183 184 while (offset + qmimux_hdr_sz < skb->len) { 185 hdr = (struct qmimux_hdr *)(skb->data + offset); 186 len = be16_to_cpu(hdr->pkt_len); 187 188 /* drop the packet, bogus length */ 189 if (offset + len + qmimux_hdr_sz > skb->len) 190 return 0; 191 192 /* control packet, we do not know what to do */ 193 if (hdr->pad & 0x80) 194 goto skip; 195 196 /* extract padding length and check for valid length info */ 197 pad_len = hdr->pad & 0x3f; 198 if (len == 0 || pad_len >= len) 199 goto skip; 200 pkt_len = len - pad_len; 201 202 net = qmimux_find_dev(dev, hdr->mux_id); 203 if (!net) 204 goto skip; 205 skbn = netdev_alloc_skb(net, pkt_len); 206 if (!skbn) 207 return 0; 208 skbn->dev = net; 209 210 switch (skb->data[offset + qmimux_hdr_sz] & 0xf0) { 211 case 0x40: 212 skbn->protocol = htons(ETH_P_IP); 213 break; 214 case 0x60: 215 skbn->protocol = htons(ETH_P_IPV6); 216 break; 217 default: 218 /* not ip - do not know what to do */ 219 kfree_skb(skbn); 220 goto skip; 221 } 222 223 skb_put_data(skbn, skb->data + offset + qmimux_hdr_sz, pkt_len); 224 if (netif_rx(skbn) != NET_RX_SUCCESS) { 225 net->stats.rx_errors++; 226 return 0; 227 } else { 228 struct pcpu_sw_netstats *stats64; 229 struct qmimux_priv *priv = netdev_priv(net); 230 231 stats64 = this_cpu_ptr(priv->stats64); 232 u64_stats_update_begin(&stats64->syncp); 233 stats64->rx_packets++; 234 stats64->rx_bytes += pkt_len; 235 u64_stats_update_end(&stats64->syncp); 236 } 237 238skip: 239 offset += len + qmimux_hdr_sz; 240 } 241 return 1; 242} 243 244static int qmimux_register_device(struct net_device *real_dev, u8 mux_id) 245{ 246 struct net_device *new_dev; 247 struct qmimux_priv *priv; 248 int err; 249 250 new_dev = alloc_netdev(sizeof(struct qmimux_priv), 251 "qmimux%d", NET_NAME_UNKNOWN, qmimux_setup); 252 if (!new_dev) 253 return -ENOBUFS; 254 255 dev_net_set(new_dev, dev_net(real_dev)); 256 priv = netdev_priv(new_dev); 257 priv->mux_id = mux_id; 258 priv->real_dev = real_dev; 259 260 priv->stats64 = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); 261 if (!priv->stats64) { 262 err = -ENOBUFS; 263 goto out_free_newdev; 264 } 265 266 err = register_netdevice(new_dev); 267 if (err < 0) 268 goto out_free_newdev; 269 270 /* Account for reference in struct qmimux_priv_priv */ 271 dev_hold(real_dev); 272 273 err = netdev_upper_dev_link(real_dev, new_dev, NULL); 274 if (err) 275 goto out_unregister_netdev; 276 277 netif_stacked_transfer_operstate(real_dev, new_dev); 278 279 return 0; 280 281out_unregister_netdev: 282 unregister_netdevice(new_dev); 283 dev_put(real_dev); 284 285out_free_newdev: 286 free_netdev(new_dev); 287 return err; 288} 289 290static void qmimux_unregister_device(struct net_device *dev, 291 struct list_head *head) 292{ 293 struct qmimux_priv *priv = netdev_priv(dev); 294 struct net_device *real_dev = priv->real_dev; 295 296 free_percpu(priv->stats64); 297 netdev_upper_dev_unlink(real_dev, dev); 298 unregister_netdevice_queue(dev, head); 299 300 /* Get rid of the reference to real_dev */ 301 dev_put(real_dev); 302} 303 304static void qmi_wwan_netdev_setup(struct net_device *net) 305{ 306 struct usbnet *dev = netdev_priv(net); 307 struct qmi_wwan_state *info = (void *)&dev->data; 308 309 if (info->flags & QMI_WWAN_FLAG_RAWIP) { 310 net->header_ops = NULL; /* No header */ 311 net->type = ARPHRD_NONE; 312 net->hard_header_len = 0; 313 net->addr_len = 0; 314 net->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 315 set_bit(EVENT_NO_IP_ALIGN, &dev->flags); 316 netdev_dbg(net, "mode: raw IP\n"); 317 } else if (!net->header_ops) { /* don't bother if already set */ 318 ether_setup(net); 319 /* Restoring min/max mtu values set originally by usbnet */ 320 net->min_mtu = 0; 321 net->max_mtu = ETH_MAX_MTU; 322 clear_bit(EVENT_NO_IP_ALIGN, &dev->flags); 323 netdev_dbg(net, "mode: Ethernet\n"); 324 } 325 326 /* recalculate buffers after changing hard_header_len */ 327 usbnet_change_mtu(net, net->mtu); 328} 329 330static ssize_t raw_ip_show(struct device *d, struct device_attribute *attr, char *buf) 331{ 332 struct usbnet *dev = netdev_priv(to_net_dev(d)); 333 struct qmi_wwan_state *info = (void *)&dev->data; 334 335 return sprintf(buf, "%c\n", info->flags & QMI_WWAN_FLAG_RAWIP ? 'Y' : 'N'); 336} 337 338static ssize_t raw_ip_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 339{ 340 struct usbnet *dev = netdev_priv(to_net_dev(d)); 341 struct qmi_wwan_state *info = (void *)&dev->data; 342 bool enable; 343 int ret; 344 345 if (strtobool(buf, &enable)) 346 return -EINVAL; 347 348 /* no change? */ 349 if (enable == (info->flags & QMI_WWAN_FLAG_RAWIP)) 350 return len; 351 352 if (!rtnl_trylock()) 353 return restart_syscall(); 354 355 /* we don't want to modify a running netdev */ 356 if (netif_running(dev->net)) { 357 netdev_err(dev->net, "Cannot change a running device\n"); 358 ret = -EBUSY; 359 goto err; 360 } 361 362 /* let other drivers deny the change */ 363 ret = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev->net); 364 ret = notifier_to_errno(ret); 365 if (ret) { 366 netdev_err(dev->net, "Type change was refused\n"); 367 goto err; 368 } 369 370 if (enable) 371 info->flags |= QMI_WWAN_FLAG_RAWIP; 372 else 373 info->flags &= ~QMI_WWAN_FLAG_RAWIP; 374 qmi_wwan_netdev_setup(dev->net); 375 call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev->net); 376 ret = len; 377err: 378 rtnl_unlock(); 379 return ret; 380} 381 382static ssize_t add_mux_show(struct device *d, struct device_attribute *attr, char *buf) 383{ 384 struct net_device *dev = to_net_dev(d); 385 struct qmimux_priv *priv; 386 struct list_head *iter; 387 struct net_device *ldev; 388 ssize_t count = 0; 389 390 rcu_read_lock(); 391 netdev_for_each_upper_dev_rcu(dev, ldev, iter) { 392 priv = netdev_priv(ldev); 393 count += scnprintf(&buf[count], PAGE_SIZE - count, 394 "0x%02x\n", priv->mux_id); 395 } 396 rcu_read_unlock(); 397 return count; 398} 399 400static ssize_t add_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 401{ 402 struct usbnet *dev = netdev_priv(to_net_dev(d)); 403 struct qmi_wwan_state *info = (void *)&dev->data; 404 u8 mux_id; 405 int ret; 406 407 if (kstrtou8(buf, 0, &mux_id)) 408 return -EINVAL; 409 410 /* mux_id [1 - 254] for compatibility with ip(8) and the rmnet driver */ 411 if (mux_id < 1 || mux_id > 254) 412 return -EINVAL; 413 414 if (!rtnl_trylock()) 415 return restart_syscall(); 416 417 if (qmimux_find_dev(dev, mux_id)) { 418 netdev_err(dev->net, "mux_id already present\n"); 419 ret = -EINVAL; 420 goto err; 421 } 422 423 ret = qmimux_register_device(dev->net, mux_id); 424 if (!ret) { 425 info->flags |= QMI_WWAN_FLAG_MUX; 426 ret = len; 427 } 428err: 429 rtnl_unlock(); 430 return ret; 431} 432 433static ssize_t del_mux_show(struct device *d, struct device_attribute *attr, char *buf) 434{ 435 return add_mux_show(d, attr, buf); 436} 437 438static ssize_t del_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 439{ 440 struct usbnet *dev = netdev_priv(to_net_dev(d)); 441 struct qmi_wwan_state *info = (void *)&dev->data; 442 struct net_device *del_dev; 443 u8 mux_id; 444 int ret = 0; 445 446 if (kstrtou8(buf, 0, &mux_id)) 447 return -EINVAL; 448 449 if (!rtnl_trylock()) 450 return restart_syscall(); 451 452 del_dev = qmimux_find_dev(dev, mux_id); 453 if (!del_dev) { 454 netdev_err(dev->net, "mux_id not present\n"); 455 ret = -EINVAL; 456 goto err; 457 } 458 qmimux_unregister_device(del_dev, NULL); 459 460 if (!qmimux_has_slaves(dev)) 461 info->flags &= ~QMI_WWAN_FLAG_MUX; 462 ret = len; 463err: 464 rtnl_unlock(); 465 return ret; 466} 467 468static DEVICE_ATTR_RW(raw_ip); 469static DEVICE_ATTR_RW(add_mux); 470static DEVICE_ATTR_RW(del_mux); 471 472static struct attribute *qmi_wwan_sysfs_attrs[] = { 473 &dev_attr_raw_ip.attr, 474 &dev_attr_add_mux.attr, 475 &dev_attr_del_mux.attr, 476 NULL, 477}; 478 479static struct attribute_group qmi_wwan_sysfs_attr_group = { 480 .name = "qmi", 481 .attrs = qmi_wwan_sysfs_attrs, 482}; 483 484/* default ethernet address used by the modem */ 485static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3}; 486 487static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00}; 488 489/* Make up an ethernet header if the packet doesn't have one. 490 * 491 * A firmware bug common among several devices cause them to send raw 492 * IP packets under some circumstances. There is no way for the 493 * driver/host to know when this will happen. And even when the bug 494 * hits, some packets will still arrive with an intact header. 495 * 496 * The supported devices are only capably of sending IPv4, IPv6 and 497 * ARP packets on a point-to-point link. Any packet with an ethernet 498 * header will have either our address or a broadcast/multicast 499 * address as destination. ARP packets will always have a header. 500 * 501 * This means that this function will reliably add the appropriate 502 * header iff necessary, provided our hardware address does not start 503 * with 4 or 6. 504 * 505 * Another common firmware bug results in all packets being addressed 506 * to 00:a0:c6:00:00:00 despite the host address being different. 507 * This function will also fixup such packets. 508 */ 509static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 510{ 511 struct qmi_wwan_state *info = (void *)&dev->data; 512 bool rawip = info->flags & QMI_WWAN_FLAG_RAWIP; 513 __be16 proto; 514 515 /* This check is no longer done by usbnet */ 516 if (skb->len < dev->net->hard_header_len) 517 return 0; 518 519 if (info->flags & QMI_WWAN_FLAG_MUX) 520 return qmimux_rx_fixup(dev, skb); 521 522 switch (skb->data[0] & 0xf0) { 523 case 0x40: 524 proto = htons(ETH_P_IP); 525 break; 526 case 0x60: 527 proto = htons(ETH_P_IPV6); 528 break; 529 case 0x00: 530 if (rawip) 531 return 0; 532 if (is_multicast_ether_addr(skb->data)) 533 return 1; 534 /* possibly bogus destination - rewrite just in case */ 535 skb_reset_mac_header(skb); 536 goto fix_dest; 537 default: 538 if (rawip) 539 return 0; 540 /* pass along other packets without modifications */ 541 return 1; 542 } 543 if (rawip) { 544 skb_reset_mac_header(skb); 545 skb->dev = dev->net; /* normally set by eth_type_trans */ 546 skb->protocol = proto; 547 return 1; 548 } 549 550 if (skb_headroom(skb) < ETH_HLEN) 551 return 0; 552 skb_push(skb, ETH_HLEN); 553 skb_reset_mac_header(skb); 554 eth_hdr(skb)->h_proto = proto; 555 eth_zero_addr(eth_hdr(skb)->h_source); 556fix_dest: 557 memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN); 558 return 1; 559} 560 561/* very simplistic detection of IPv4 or IPv6 headers */ 562static bool possibly_iphdr(const char *data) 563{ 564 return (data[0] & 0xd0) == 0x40; 565} 566 567/* disallow addresses which may be confused with IP headers */ 568static int qmi_wwan_mac_addr(struct net_device *dev, void *p) 569{ 570 int ret; 571 struct sockaddr *addr = p; 572 573 ret = eth_prepare_mac_addr_change(dev, p); 574 if (ret < 0) 575 return ret; 576 if (possibly_iphdr(addr->sa_data)) 577 return -EADDRNOTAVAIL; 578 eth_commit_mac_addr_change(dev, p); 579 return 0; 580} 581 582static const struct net_device_ops qmi_wwan_netdev_ops = { 583 .ndo_open = usbnet_open, 584 .ndo_stop = usbnet_stop, 585 .ndo_start_xmit = usbnet_start_xmit, 586 .ndo_tx_timeout = usbnet_tx_timeout, 587 .ndo_change_mtu = usbnet_change_mtu, 588 .ndo_get_stats64 = usbnet_get_stats64, 589 .ndo_set_mac_address = qmi_wwan_mac_addr, 590 .ndo_validate_addr = eth_validate_addr, 591}; 592 593/* using a counter to merge subdriver requests with our own into a 594 * combined state 595 */ 596static int qmi_wwan_manage_power(struct usbnet *dev, int on) 597{ 598 struct qmi_wwan_state *info = (void *)&dev->data; 599 int rv; 600 601 dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__, 602 atomic_read(&info->pmcount), on); 603 604 if ((on && atomic_add_return(1, &info->pmcount) == 1) || 605 (!on && atomic_dec_and_test(&info->pmcount))) { 606 /* need autopm_get/put here to ensure the usbcore sees 607 * the new value 608 */ 609 rv = usb_autopm_get_interface(dev->intf); 610 dev->intf->needs_remote_wakeup = on; 611 if (!rv) 612 usb_autopm_put_interface(dev->intf); 613 } 614 return 0; 615} 616 617static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on) 618{ 619 struct usbnet *dev = usb_get_intfdata(intf); 620 621 /* can be called while disconnecting */ 622 if (!dev) 623 return 0; 624 return qmi_wwan_manage_power(dev, on); 625} 626 627/* collect all three endpoints and register subdriver */ 628static int qmi_wwan_register_subdriver(struct usbnet *dev) 629{ 630 int rv; 631 struct usb_driver *subdriver = NULL; 632 struct qmi_wwan_state *info = (void *)&dev->data; 633 634 /* collect bulk endpoints */ 635 rv = usbnet_get_endpoints(dev, info->data); 636 if (rv < 0) 637 goto err; 638 639 /* update status endpoint if separate control interface */ 640 if (info->control != info->data) 641 dev->status = &info->control->cur_altsetting->endpoint[0]; 642 643 /* require interrupt endpoint for subdriver */ 644 if (!dev->status) { 645 rv = -EINVAL; 646 goto err; 647 } 648 649 /* for subdriver power management */ 650 atomic_set(&info->pmcount, 0); 651 652 /* register subdriver */ 653 subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc, 654 4096, &qmi_wwan_cdc_wdm_manage_power); 655 if (IS_ERR(subdriver)) { 656 dev_err(&info->control->dev, "subdriver registration failed\n"); 657 rv = PTR_ERR(subdriver); 658 goto err; 659 } 660 661 /* prevent usbnet from using status endpoint */ 662 dev->status = NULL; 663 664 /* save subdriver struct for suspend/resume wrappers */ 665 info->subdriver = subdriver; 666 667err: 668 return rv; 669} 670 671/* Send CDC SetControlLineState request, setting or clearing the DTR. 672 * "Required for Autoconnect and 9x30 to wake up" according to the 673 * GobiNet driver. The requirement has been verified on an MDM9230 674 * based Sierra Wireless MC7455 675 */ 676static int qmi_wwan_change_dtr(struct usbnet *dev, bool on) 677{ 678 u8 intf = dev->intf->cur_altsetting->desc.bInterfaceNumber; 679 680 return usbnet_write_cmd(dev, USB_CDC_REQ_SET_CONTROL_LINE_STATE, 681 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 682 on ? 0x01 : 0x00, intf, NULL, 0); 683} 684 685static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) 686{ 687 int status; 688 u8 *buf = intf->cur_altsetting->extra; 689 int len = intf->cur_altsetting->extralen; 690 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 691 struct usb_cdc_union_desc *cdc_union; 692 struct usb_cdc_ether_desc *cdc_ether; 693 struct usb_driver *driver = driver_of(intf); 694 struct qmi_wwan_state *info = (void *)&dev->data; 695 struct usb_cdc_parsed_header hdr; 696 697 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) < 698 sizeof(struct qmi_wwan_state))); 699 700 /* set up initial state */ 701 info->control = intf; 702 info->data = intf; 703 704 /* and a number of CDC descriptors */ 705 cdc_parse_cdc_header(&hdr, intf, buf, len); 706 cdc_union = hdr.usb_cdc_union_desc; 707 cdc_ether = hdr.usb_cdc_ether_desc; 708 709 /* Use separate control and data interfaces if we found a CDC Union */ 710 if (cdc_union) { 711 info->data = usb_ifnum_to_if(dev->udev, 712 cdc_union->bSlaveInterface0); 713 if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 || 714 !info->data) { 715 dev_err(&intf->dev, 716 "bogus CDC Union: master=%u, slave=%u\n", 717 cdc_union->bMasterInterface0, 718 cdc_union->bSlaveInterface0); 719 720 /* ignore and continue... */ 721 cdc_union = NULL; 722 info->data = intf; 723 } 724 } 725 726 /* errors aren't fatal - we can live with the dynamic address */ 727 if (cdc_ether && cdc_ether->wMaxSegmentSize) { 728 dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize); 729 usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress); 730 } 731 732 /* claim data interface and set it up */ 733 if (info->control != info->data) { 734 status = usb_driver_claim_interface(driver, info->data, dev); 735 if (status < 0) 736 goto err; 737 } 738 739 status = qmi_wwan_register_subdriver(dev); 740 if (status < 0 && info->control != info->data) { 741 usb_set_intfdata(info->data, NULL); 742 usb_driver_release_interface(driver, info->data); 743 } 744 745 /* disabling remote wakeup on MDM9x30 devices has the same 746 * effect as clearing DTR. The device will not respond to QMI 747 * requests until we set DTR again. This is similar to a 748 * QMI_CTL SYNC request, clearing a lot of firmware state 749 * including the client ID allocations. 750 * 751 * Our usage model allows a session to span multiple 752 * open/close events, so we must prevent the firmware from 753 * clearing out state the clients might need. 754 * 755 * MDM9x30 is the first QMI chipset with USB3 support. Abuse 756 * this fact to enable the quirk for all USB3 devices. 757 * 758 * There are also chipsets with the same "set DTR" requirement 759 * but without USB3 support. Devices based on these chips 760 * need a quirk flag in the device ID table. 761 */ 762 if (dev->driver_info->data & QMI_WWAN_QUIRK_DTR || 763 le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 764 qmi_wwan_manage_power(dev, 1); 765 qmi_wwan_change_dtr(dev, true); 766 } 767 768 /* Never use the same address on both ends of the link, even if the 769 * buggy firmware told us to. Or, if device is assigned the well-known 770 * buggy firmware MAC address, replace it with a random address, 771 */ 772 if (ether_addr_equal(dev->net->dev_addr, default_modem_addr) || 773 ether_addr_equal(dev->net->dev_addr, buggy_fw_addr)) 774 eth_hw_addr_random(dev->net); 775 776 /* make MAC addr easily distinguishable from an IP header */ 777 if (possibly_iphdr(dev->net->dev_addr)) { 778 dev->net->dev_addr[0] |= 0x02; /* set local assignment bit */ 779 dev->net->dev_addr[0] &= 0xbf; /* clear "IP" bit */ 780 } 781 dev->net->netdev_ops = &qmi_wwan_netdev_ops; 782 dev->net->sysfs_groups[0] = &qmi_wwan_sysfs_attr_group; 783err: 784 return status; 785} 786 787static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf) 788{ 789 struct qmi_wwan_state *info = (void *)&dev->data; 790 struct usb_driver *driver = driver_of(intf); 791 struct usb_interface *other; 792 793 if (info->subdriver && info->subdriver->disconnect) 794 info->subdriver->disconnect(info->control); 795 796 /* disable MDM9x30 quirk */ 797 if (le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 798 qmi_wwan_change_dtr(dev, false); 799 qmi_wwan_manage_power(dev, 0); 800 } 801 802 /* allow user to unbind using either control or data */ 803 if (intf == info->control) 804 other = info->data; 805 else 806 other = info->control; 807 808 /* only if not shared */ 809 if (other && intf != other) { 810 usb_set_intfdata(other, NULL); 811 usb_driver_release_interface(driver, other); 812 } 813 814 info->subdriver = NULL; 815 info->data = NULL; 816 info->control = NULL; 817} 818 819/* suspend/resume wrappers calling both usbnet and the cdc-wdm 820 * subdriver if present. 821 * 822 * NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide 823 * wrappers for those without adding usbnet reset support first. 824 */ 825static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message) 826{ 827 struct usbnet *dev = usb_get_intfdata(intf); 828 struct qmi_wwan_state *info = (void *)&dev->data; 829 int ret; 830 831 /* Both usbnet_suspend() and subdriver->suspend() MUST return 0 832 * in system sleep context, otherwise, the resume callback has 833 * to recover device from previous suspend failure. 834 */ 835 ret = usbnet_suspend(intf, message); 836 if (ret < 0) 837 goto err; 838 839 if (intf == info->control && info->subdriver && 840 info->subdriver->suspend) 841 ret = info->subdriver->suspend(intf, message); 842 if (ret < 0) 843 usbnet_resume(intf); 844err: 845 return ret; 846} 847 848static int qmi_wwan_resume(struct usb_interface *intf) 849{ 850 struct usbnet *dev = usb_get_intfdata(intf); 851 struct qmi_wwan_state *info = (void *)&dev->data; 852 int ret = 0; 853 bool callsub = (intf == info->control && info->subdriver && 854 info->subdriver->resume); 855 856 if (callsub) 857 ret = info->subdriver->resume(intf); 858 if (ret < 0) 859 goto err; 860 ret = usbnet_resume(intf); 861 if (ret < 0 && callsub) 862 info->subdriver->suspend(intf, PMSG_SUSPEND); 863err: 864 return ret; 865} 866 867static const struct driver_info qmi_wwan_info = { 868 .description = "WWAN/QMI device", 869 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 870 .bind = qmi_wwan_bind, 871 .unbind = qmi_wwan_unbind, 872 .manage_power = qmi_wwan_manage_power, 873 .rx_fixup = qmi_wwan_rx_fixup, 874}; 875 876static const struct driver_info qmi_wwan_info_quirk_dtr = { 877 .description = "WWAN/QMI device", 878 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 879 .bind = qmi_wwan_bind, 880 .unbind = qmi_wwan_unbind, 881 .manage_power = qmi_wwan_manage_power, 882 .rx_fixup = qmi_wwan_rx_fixup, 883 .data = QMI_WWAN_QUIRK_DTR, 884}; 885 886#define HUAWEI_VENDOR_ID 0x12D1 887 888/* map QMI/wwan function by a fixed interface number */ 889#define QMI_FIXED_INTF(vend, prod, num) \ 890 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 891 .driver_info = (unsigned long)&qmi_wwan_info 892 893/* devices requiring "set DTR" quirk */ 894#define QMI_QUIRK_SET_DTR(vend, prod, num) \ 895 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 896 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 897 898/* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */ 899#define QMI_GOBI1K_DEVICE(vend, prod) \ 900 QMI_FIXED_INTF(vend, prod, 3) 901 902/* Gobi 2000/3000 QMI/wwan interface number is 0 according to qcserial */ 903#define QMI_GOBI_DEVICE(vend, prod) \ 904 QMI_FIXED_INTF(vend, prod, 0) 905 906/* Many devices have QMI and DIAG functions which are distinguishable 907 * from other vendor specific functions by class, subclass and 908 * protocol all being 0xff. The DIAG function has exactly 2 endpoints 909 * and is silently rejected when probed. 910 * 911 * This makes it possible to match dynamically numbered QMI functions 912 * as seen on e.g. many Quectel modems. 913 */ 914#define QMI_MATCH_FF_FF_FF(vend, prod) \ 915 USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_VENDOR_SPEC, \ 916 USB_SUBCLASS_VENDOR_SPEC, 0xff), \ 917 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 918 919static const struct usb_device_id products[] = { 920 /* 1. CDC ECM like devices match on the control interface */ 921 { /* Huawei E392, E398 and possibly others sharing both device id and more... */ 922 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 9), 923 .driver_info = (unsigned long)&qmi_wwan_info, 924 }, 925 { /* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */ 926 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 57), 927 .driver_info = (unsigned long)&qmi_wwan_info, 928 }, 929 { /* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */ 930 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69), 931 .driver_info = (unsigned long)&qmi_wwan_info, 932 }, 933 { /* Motorola Mapphone devices with MDM6600 */ 934 USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC, 0xfb, 0xff), 935 .driver_info = (unsigned long)&qmi_wwan_info, 936 }, 937 938 /* 2. Combined interface devices matching on class+protocol */ 939 { /* Huawei E367 and possibly others in "Windows mode" */ 940 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7), 941 .driver_info = (unsigned long)&qmi_wwan_info, 942 }, 943 { /* Huawei E392, E398 and possibly others in "Windows mode" */ 944 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17), 945 .driver_info = (unsigned long)&qmi_wwan_info, 946 }, 947 { /* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */ 948 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x37), 949 .driver_info = (unsigned long)&qmi_wwan_info, 950 }, 951 { /* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */ 952 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x67), 953 .driver_info = (unsigned long)&qmi_wwan_info, 954 }, 955 { /* Pantech UML290, P4200 and more */ 956 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff), 957 .driver_info = (unsigned long)&qmi_wwan_info, 958 }, 959 { /* Pantech UML290 - newer firmware */ 960 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff), 961 .driver_info = (unsigned long)&qmi_wwan_info, 962 }, 963 { /* Novatel USB551L and MC551 */ 964 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001, 965 USB_CLASS_COMM, 966 USB_CDC_SUBCLASS_ETHERNET, 967 USB_CDC_PROTO_NONE), 968 .driver_info = (unsigned long)&qmi_wwan_info, 969 }, 970 { /* Novatel E362 */ 971 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010, 972 USB_CLASS_COMM, 973 USB_CDC_SUBCLASS_ETHERNET, 974 USB_CDC_PROTO_NONE), 975 .driver_info = (unsigned long)&qmi_wwan_info, 976 }, 977 { /* Novatel Expedite E371 */ 978 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9011, 979 USB_CLASS_COMM, 980 USB_CDC_SUBCLASS_ETHERNET, 981 USB_CDC_PROTO_NONE), 982 .driver_info = (unsigned long)&qmi_wwan_info, 983 }, 984 { /* Dell Wireless 5800 (Novatel E362) */ 985 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195, 986 USB_CLASS_COMM, 987 USB_CDC_SUBCLASS_ETHERNET, 988 USB_CDC_PROTO_NONE), 989 .driver_info = (unsigned long)&qmi_wwan_info, 990 }, 991 { /* Dell Wireless 5800 V2 (Novatel E362) */ 992 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196, 993 USB_CLASS_COMM, 994 USB_CDC_SUBCLASS_ETHERNET, 995 USB_CDC_PROTO_NONE), 996 .driver_info = (unsigned long)&qmi_wwan_info, 997 }, 998 { /* Dell Wireless 5804 (Novatel E371) */ 999 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b, 1000 USB_CLASS_COMM, 1001 USB_CDC_SUBCLASS_ETHERNET, 1002 USB_CDC_PROTO_NONE), 1003 .driver_info = (unsigned long)&qmi_wwan_info, 1004 }, 1005 { /* ADU960S */ 1006 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, 1007 USB_CLASS_COMM, 1008 USB_CDC_SUBCLASS_ETHERNET, 1009 USB_CDC_PROTO_NONE), 1010 .driver_info = (unsigned long)&qmi_wwan_info, 1011 }, 1012 { /* HP lt2523 (Novatel E371) */ 1013 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 1014 USB_CLASS_COMM, 1015 USB_CDC_SUBCLASS_ETHERNET, 1016 USB_CDC_PROTO_NONE), 1017 .driver_info = (unsigned long)&qmi_wwan_info, 1018 }, 1019 { /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */ 1020 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7), 1021 .driver_info = (unsigned long)&qmi_wwan_info, 1022 }, 1023 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ 1024 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */ 1025 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */ 1026 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0620)}, /* Quectel EM160R-GL */ 1027 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0800)}, /* Quectel RM500Q-GL */ 1028 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0801)}, /* Quectel RM520N */ 1029 1030 /* 3. Combined interface devices matching on interface number */ 1031 {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */ 1032 {QMI_FIXED_INTF(0x05c6, 0x6001, 3)}, /* 4G LTE usb-modem U901 */ 1033 {QMI_FIXED_INTF(0x05c6, 0x7000, 0)}, 1034 {QMI_FIXED_INTF(0x05c6, 0x7001, 1)}, 1035 {QMI_FIXED_INTF(0x05c6, 0x7002, 1)}, 1036 {QMI_FIXED_INTF(0x05c6, 0x7101, 1)}, 1037 {QMI_FIXED_INTF(0x05c6, 0x7101, 2)}, 1038 {QMI_FIXED_INTF(0x05c6, 0x7101, 3)}, 1039 {QMI_FIXED_INTF(0x05c6, 0x7102, 1)}, 1040 {QMI_FIXED_INTF(0x05c6, 0x7102, 2)}, 1041 {QMI_FIXED_INTF(0x05c6, 0x7102, 3)}, 1042 {QMI_FIXED_INTF(0x05c6, 0x8000, 7)}, 1043 {QMI_FIXED_INTF(0x05c6, 0x8001, 6)}, 1044 {QMI_FIXED_INTF(0x05c6, 0x9000, 4)}, 1045 {QMI_FIXED_INTF(0x05c6, 0x9003, 4)}, 1046 {QMI_FIXED_INTF(0x05c6, 0x9005, 2)}, 1047 {QMI_FIXED_INTF(0x05c6, 0x900a, 4)}, 1048 {QMI_FIXED_INTF(0x05c6, 0x900b, 2)}, 1049 {QMI_FIXED_INTF(0x05c6, 0x900c, 4)}, 1050 {QMI_FIXED_INTF(0x05c6, 0x900c, 5)}, 1051 {QMI_FIXED_INTF(0x05c6, 0x900c, 6)}, 1052 {QMI_FIXED_INTF(0x05c6, 0x900d, 5)}, 1053 {QMI_FIXED_INTF(0x05c6, 0x900f, 3)}, 1054 {QMI_FIXED_INTF(0x05c6, 0x900f, 4)}, 1055 {QMI_FIXED_INTF(0x05c6, 0x900f, 5)}, 1056 {QMI_FIXED_INTF(0x05c6, 0x9010, 4)}, 1057 {QMI_FIXED_INTF(0x05c6, 0x9010, 5)}, 1058 {QMI_FIXED_INTF(0x05c6, 0x9011, 3)}, 1059 {QMI_FIXED_INTF(0x05c6, 0x9011, 4)}, 1060 {QMI_FIXED_INTF(0x05c6, 0x9021, 1)}, 1061 {QMI_FIXED_INTF(0x05c6, 0x9022, 2)}, 1062 {QMI_QUIRK_SET_DTR(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD LTE (China Mobile) */ 1063 {QMI_FIXED_INTF(0x05c6, 0x9026, 3)}, 1064 {QMI_FIXED_INTF(0x05c6, 0x902e, 5)}, 1065 {QMI_FIXED_INTF(0x05c6, 0x9031, 5)}, 1066 {QMI_FIXED_INTF(0x05c6, 0x9032, 4)}, 1067 {QMI_FIXED_INTF(0x05c6, 0x9033, 3)}, 1068 {QMI_FIXED_INTF(0x05c6, 0x9033, 4)}, 1069 {QMI_FIXED_INTF(0x05c6, 0x9033, 5)}, 1070 {QMI_FIXED_INTF(0x05c6, 0x9033, 6)}, 1071 {QMI_FIXED_INTF(0x05c6, 0x9034, 3)}, 1072 {QMI_FIXED_INTF(0x05c6, 0x9034, 4)}, 1073 {QMI_FIXED_INTF(0x05c6, 0x9034, 5)}, 1074 {QMI_FIXED_INTF(0x05c6, 0x9034, 6)}, 1075 {QMI_FIXED_INTF(0x05c6, 0x9034, 7)}, 1076 {QMI_FIXED_INTF(0x05c6, 0x9035, 4)}, 1077 {QMI_FIXED_INTF(0x05c6, 0x9036, 3)}, 1078 {QMI_FIXED_INTF(0x05c6, 0x9037, 5)}, 1079 {QMI_FIXED_INTF(0x05c6, 0x9038, 4)}, 1080 {QMI_FIXED_INTF(0x05c6, 0x903b, 7)}, 1081 {QMI_FIXED_INTF(0x05c6, 0x903c, 6)}, 1082 {QMI_FIXED_INTF(0x05c6, 0x903d, 6)}, 1083 {QMI_FIXED_INTF(0x05c6, 0x903e, 5)}, 1084 {QMI_FIXED_INTF(0x05c6, 0x9043, 3)}, 1085 {QMI_FIXED_INTF(0x05c6, 0x9046, 3)}, 1086 {QMI_FIXED_INTF(0x05c6, 0x9046, 4)}, 1087 {QMI_FIXED_INTF(0x05c6, 0x9046, 5)}, 1088 {QMI_FIXED_INTF(0x05c6, 0x9047, 2)}, 1089 {QMI_FIXED_INTF(0x05c6, 0x9047, 3)}, 1090 {QMI_FIXED_INTF(0x05c6, 0x9047, 4)}, 1091 {QMI_FIXED_INTF(0x05c6, 0x9048, 4)}, 1092 {QMI_FIXED_INTF(0x05c6, 0x9048, 5)}, 1093 {QMI_FIXED_INTF(0x05c6, 0x9048, 6)}, 1094 {QMI_FIXED_INTF(0x05c6, 0x9048, 7)}, 1095 {QMI_FIXED_INTF(0x05c6, 0x9048, 8)}, 1096 {QMI_FIXED_INTF(0x05c6, 0x904c, 5)}, 1097 {QMI_FIXED_INTF(0x05c6, 0x904c, 6)}, 1098 {QMI_FIXED_INTF(0x05c6, 0x904c, 7)}, 1099 {QMI_FIXED_INTF(0x05c6, 0x904c, 8)}, 1100 {QMI_FIXED_INTF(0x05c6, 0x9050, 3)}, 1101 {QMI_FIXED_INTF(0x05c6, 0x9052, 4)}, 1102 {QMI_FIXED_INTF(0x05c6, 0x9053, 6)}, 1103 {QMI_FIXED_INTF(0x05c6, 0x9053, 7)}, 1104 {QMI_FIXED_INTF(0x05c6, 0x9054, 5)}, 1105 {QMI_FIXED_INTF(0x05c6, 0x9054, 6)}, 1106 {QMI_FIXED_INTF(0x05c6, 0x9055, 3)}, 1107 {QMI_FIXED_INTF(0x05c6, 0x9055, 4)}, 1108 {QMI_FIXED_INTF(0x05c6, 0x9055, 5)}, 1109 {QMI_FIXED_INTF(0x05c6, 0x9055, 6)}, 1110 {QMI_FIXED_INTF(0x05c6, 0x9055, 7)}, 1111 {QMI_FIXED_INTF(0x05c6, 0x9056, 3)}, 1112 {QMI_FIXED_INTF(0x05c6, 0x9062, 2)}, 1113 {QMI_FIXED_INTF(0x05c6, 0x9062, 3)}, 1114 {QMI_FIXED_INTF(0x05c6, 0x9062, 4)}, 1115 {QMI_FIXED_INTF(0x05c6, 0x9062, 5)}, 1116 {QMI_FIXED_INTF(0x05c6, 0x9062, 6)}, 1117 {QMI_FIXED_INTF(0x05c6, 0x9062, 7)}, 1118 {QMI_FIXED_INTF(0x05c6, 0x9062, 8)}, 1119 {QMI_FIXED_INTF(0x05c6, 0x9062, 9)}, 1120 {QMI_FIXED_INTF(0x05c6, 0x9064, 3)}, 1121 {QMI_FIXED_INTF(0x05c6, 0x9065, 6)}, 1122 {QMI_FIXED_INTF(0x05c6, 0x9065, 7)}, 1123 {QMI_FIXED_INTF(0x05c6, 0x9066, 5)}, 1124 {QMI_FIXED_INTF(0x05c6, 0x9066, 6)}, 1125 {QMI_FIXED_INTF(0x05c6, 0x9067, 1)}, 1126 {QMI_FIXED_INTF(0x05c6, 0x9068, 2)}, 1127 {QMI_FIXED_INTF(0x05c6, 0x9068, 3)}, 1128 {QMI_FIXED_INTF(0x05c6, 0x9068, 4)}, 1129 {QMI_FIXED_INTF(0x05c6, 0x9068, 5)}, 1130 {QMI_FIXED_INTF(0x05c6, 0x9068, 6)}, 1131 {QMI_FIXED_INTF(0x05c6, 0x9068, 7)}, 1132 {QMI_FIXED_INTF(0x05c6, 0x9069, 5)}, 1133 {QMI_FIXED_INTF(0x05c6, 0x9069, 6)}, 1134 {QMI_FIXED_INTF(0x05c6, 0x9069, 7)}, 1135 {QMI_FIXED_INTF(0x05c6, 0x9069, 8)}, 1136 {QMI_FIXED_INTF(0x05c6, 0x9070, 4)}, 1137 {QMI_FIXED_INTF(0x05c6, 0x9070, 5)}, 1138 {QMI_FIXED_INTF(0x05c6, 0x9075, 5)}, 1139 {QMI_FIXED_INTF(0x05c6, 0x9076, 4)}, 1140 {QMI_FIXED_INTF(0x05c6, 0x9076, 5)}, 1141 {QMI_FIXED_INTF(0x05c6, 0x9076, 6)}, 1142 {QMI_FIXED_INTF(0x05c6, 0x9076, 7)}, 1143 {QMI_FIXED_INTF(0x05c6, 0x9076, 8)}, 1144 {QMI_FIXED_INTF(0x05c6, 0x9077, 3)}, 1145 {QMI_FIXED_INTF(0x05c6, 0x9077, 4)}, 1146 {QMI_FIXED_INTF(0x05c6, 0x9077, 5)}, 1147 {QMI_FIXED_INTF(0x05c6, 0x9077, 6)}, 1148 {QMI_FIXED_INTF(0x05c6, 0x9078, 3)}, 1149 {QMI_FIXED_INTF(0x05c6, 0x9079, 4)}, 1150 {QMI_FIXED_INTF(0x05c6, 0x9079, 5)}, 1151 {QMI_FIXED_INTF(0x05c6, 0x9079, 6)}, 1152 {QMI_FIXED_INTF(0x05c6, 0x9079, 7)}, 1153 {QMI_FIXED_INTF(0x05c6, 0x9079, 8)}, 1154 {QMI_FIXED_INTF(0x05c6, 0x9080, 5)}, 1155 {QMI_FIXED_INTF(0x05c6, 0x9080, 6)}, 1156 {QMI_FIXED_INTF(0x05c6, 0x9080, 7)}, 1157 {QMI_FIXED_INTF(0x05c6, 0x9080, 8)}, 1158 {QMI_FIXED_INTF(0x05c6, 0x9083, 3)}, 1159 {QMI_FIXED_INTF(0x05c6, 0x9084, 4)}, 1160 {QMI_QUIRK_SET_DTR(0x05c6, 0x9091, 2)}, /* Compal RXM-G1 */ 1161 {QMI_FIXED_INTF(0x05c6, 0x90b2, 3)}, /* ublox R410M */ 1162 {QMI_QUIRK_SET_DTR(0x05c6, 0x90db, 2)}, /* Compal RXM-G1 */ 1163 {QMI_FIXED_INTF(0x05c6, 0x920d, 0)}, 1164 {QMI_FIXED_INTF(0x05c6, 0x920d, 5)}, 1165 {QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)}, /* YUGA CLM920-NC5 */ 1166 {QMI_FIXED_INTF(0x0846, 0x68a2, 8)}, 1167 {QMI_FIXED_INTF(0x0846, 0x68d3, 8)}, /* Netgear Aircard 779S */ 1168 {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ 1169 {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */ 1170 {QMI_FIXED_INTF(0x1435, 0x0918, 3)}, /* Wistron NeWeb D16Q1 */ 1171 {QMI_FIXED_INTF(0x1435, 0x0918, 4)}, /* Wistron NeWeb D16Q1 */ 1172 {QMI_FIXED_INTF(0x1435, 0x0918, 5)}, /* Wistron NeWeb D16Q1 */ 1173 {QMI_FIXED_INTF(0x1435, 0x3185, 4)}, /* Wistron NeWeb M18Q5 */ 1174 {QMI_FIXED_INTF(0x1435, 0xd111, 4)}, /* M9615A DM11-1 D51QC */ 1175 {QMI_FIXED_INTF(0x1435, 0xd181, 3)}, /* Wistron NeWeb D18Q1 */ 1176 {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */ 1177 {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */ 1178 {QMI_FIXED_INTF(0x1435, 0xd182, 4)}, /* Wistron NeWeb D18 */ 1179 {QMI_FIXED_INTF(0x1435, 0xd182, 5)}, /* Wistron NeWeb D18 */ 1180 {QMI_FIXED_INTF(0x1435, 0xd191, 4)}, /* Wistron NeWeb D19Q1 */ 1181 {QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)}, /* Fibocom NL668 series */ 1182 {QMI_FIXED_INTF(0x1690, 0x7588, 4)}, /* ASKEY WWHC050 */ 1183 {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ 1184 {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */ 1185 {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */ 1186 {QMI_FIXED_INTF(0x16d8, 0x6280, 0)}, /* CMOTech CHU-628 */ 1187 {QMI_FIXED_INTF(0x16d8, 0x7001, 0)}, /* CMOTech CHU-720S */ 1188 {QMI_FIXED_INTF(0x16d8, 0x7002, 0)}, /* CMOTech 7002 */ 1189 {QMI_FIXED_INTF(0x16d8, 0x7003, 4)}, /* CMOTech CHU-629K */ 1190 {QMI_FIXED_INTF(0x16d8, 0x7004, 3)}, /* CMOTech 7004 */ 1191 {QMI_FIXED_INTF(0x16d8, 0x7006, 5)}, /* CMOTech CGU-629 */ 1192 {QMI_FIXED_INTF(0x16d8, 0x700a, 4)}, /* CMOTech CHU-629S */ 1193 {QMI_FIXED_INTF(0x16d8, 0x7211, 0)}, /* CMOTech CHU-720I */ 1194 {QMI_FIXED_INTF(0x16d8, 0x7212, 0)}, /* CMOTech 7212 */ 1195 {QMI_FIXED_INTF(0x16d8, 0x7213, 0)}, /* CMOTech 7213 */ 1196 {QMI_FIXED_INTF(0x16d8, 0x7251, 1)}, /* CMOTech 7251 */ 1197 {QMI_FIXED_INTF(0x16d8, 0x7252, 1)}, /* CMOTech 7252 */ 1198 {QMI_FIXED_INTF(0x16d8, 0x7253, 1)}, /* CMOTech 7253 */ 1199 {QMI_FIXED_INTF(0x19d2, 0x0002, 1)}, 1200 {QMI_FIXED_INTF(0x19d2, 0x0012, 1)}, 1201 {QMI_FIXED_INTF(0x19d2, 0x0017, 3)}, 1202 {QMI_FIXED_INTF(0x19d2, 0x0019, 3)}, /* ONDA MT689DC */ 1203 {QMI_FIXED_INTF(0x19d2, 0x0021, 4)}, 1204 {QMI_FIXED_INTF(0x19d2, 0x0025, 1)}, 1205 {QMI_FIXED_INTF(0x19d2, 0x0031, 4)}, 1206 {QMI_FIXED_INTF(0x19d2, 0x0042, 4)}, 1207 {QMI_FIXED_INTF(0x19d2, 0x0049, 5)}, 1208 {QMI_FIXED_INTF(0x19d2, 0x0052, 4)}, 1209 {QMI_FIXED_INTF(0x19d2, 0x0055, 1)}, /* ZTE (Vodafone) K3520-Z */ 1210 {QMI_FIXED_INTF(0x19d2, 0x0058, 4)}, 1211 {QMI_FIXED_INTF(0x19d2, 0x0063, 4)}, /* ZTE (Vodafone) K3565-Z */ 1212 {QMI_FIXED_INTF(0x19d2, 0x0104, 4)}, /* ZTE (Vodafone) K4505-Z */ 1213 {QMI_FIXED_INTF(0x19d2, 0x0113, 5)}, 1214 {QMI_FIXED_INTF(0x19d2, 0x0118, 5)}, 1215 {QMI_FIXED_INTF(0x19d2, 0x0121, 5)}, 1216 {QMI_FIXED_INTF(0x19d2, 0x0123, 4)}, 1217 {QMI_FIXED_INTF(0x19d2, 0x0124, 5)}, 1218 {QMI_FIXED_INTF(0x19d2, 0x0125, 6)}, 1219 {QMI_FIXED_INTF(0x19d2, 0x0126, 5)}, 1220 {QMI_FIXED_INTF(0x19d2, 0x0130, 1)}, 1221 {QMI_FIXED_INTF(0x19d2, 0x0133, 3)}, 1222 {QMI_FIXED_INTF(0x19d2, 0x0141, 5)}, 1223 {QMI_FIXED_INTF(0x19d2, 0x0157, 5)}, /* ZTE MF683 */ 1224 {QMI_FIXED_INTF(0x19d2, 0x0158, 3)}, 1225 {QMI_FIXED_INTF(0x19d2, 0x0167, 4)}, /* ZTE MF820D */ 1226 {QMI_FIXED_INTF(0x19d2, 0x0168, 4)}, 1227 {QMI_FIXED_INTF(0x19d2, 0x0176, 3)}, 1228 {QMI_FIXED_INTF(0x19d2, 0x0178, 3)}, 1229 {QMI_FIXED_INTF(0x19d2, 0x0189, 4)}, /* ZTE MF290 */ 1230 {QMI_FIXED_INTF(0x19d2, 0x0191, 4)}, /* ZTE EuFi890 */ 1231 {QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */ 1232 {QMI_FIXED_INTF(0x19d2, 0x0200, 1)}, 1233 {QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */ 1234 {QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */ 1235 {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */ 1236 {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */ 1237 {QMI_FIXED_INTF(0x19d2, 0x0396, 3)}, /* ZTE ZM8620 */ 1238 {QMI_FIXED_INTF(0x19d2, 0x0412, 4)}, /* Telewell TW-LTE 4G */ 1239 {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */ 1240 {QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */ 1241 {QMI_FIXED_INTF(0x19d2, 0x1012, 4)}, 1242 {QMI_FIXED_INTF(0x19d2, 0x1018, 3)}, /* ZTE (Vodafone) K5006-Z */ 1243 {QMI_FIXED_INTF(0x19d2, 0x1021, 2)}, 1244 {QMI_FIXED_INTF(0x19d2, 0x1245, 4)}, 1245 {QMI_FIXED_INTF(0x19d2, 0x1247, 4)}, 1246 {QMI_FIXED_INTF(0x19d2, 0x1252, 4)}, 1247 {QMI_FIXED_INTF(0x19d2, 0x1254, 4)}, 1248 {QMI_FIXED_INTF(0x19d2, 0x1255, 3)}, 1249 {QMI_FIXED_INTF(0x19d2, 0x1255, 4)}, 1250 {QMI_FIXED_INTF(0x19d2, 0x1256, 4)}, 1251 {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */ 1252 {QMI_FIXED_INTF(0x19d2, 0x1275, 3)}, /* ZTE P685M */ 1253 {QMI_FIXED_INTF(0x19d2, 0x1401, 2)}, 1254 {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */ 1255 {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, 1256 {QMI_FIXED_INTF(0x19d2, 0x1425, 2)}, 1257 {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */ 1258 {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */ 1259 {QMI_FIXED_INTF(0x19d2, 0x1432, 3)}, /* ZTE ME3620 */ 1260 {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ 1261 {QMI_FIXED_INTF(0x2001, 0x7e16, 3)}, /* D-Link DWM-221 */ 1262 {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */ 1263 {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */ 1264 {QMI_FIXED_INTF(0x2001, 0x7e3d, 4)}, /* D-Link DWM-222 A2 */ 1265 {QMI_FIXED_INTF(0x2020, 0x2031, 4)}, /* Olicard 600 */ 1266 {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */ 1267 {QMI_QUIRK_SET_DTR(0x2020, 0x2060, 4)}, /* BroadMobi BM818 */ 1268 {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ 1269 {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ 1270 {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ 1271 {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ 1272 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354, WP76xx */ 1273 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 10)},/* Sierra Wireless MC7304/MC7354 */ 1274 {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ 1275 {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */ 1276 {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */ 1277 {QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */ 1278 {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ 1279 {QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */ 1280 {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */ 1281 {QMI_FIXED_INTF(0x1199, 0x9055, 8)}, /* Netgear AirCard 341U */ 1282 {QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */ 1283 {QMI_FIXED_INTF(0x1199, 0x9057, 8)}, 1284 {QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */ 1285 {QMI_FIXED_INTF(0x1199, 0x9063, 8)}, /* Sierra Wireless EM7305 */ 1286 {QMI_FIXED_INTF(0x1199, 0x9063, 10)}, /* Sierra Wireless EM7305 */ 1287 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 8)}, /* Sierra Wireless MC74xx */ 1288 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 10)},/* Sierra Wireless MC74xx */ 1289 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 8)}, /* Sierra Wireless EM74xx */ 1290 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 10)},/* Sierra Wireless EM74xx */ 1291 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 8)}, /* Sierra Wireless EM74xx */ 1292 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 10)},/* Sierra Wireless EM74xx */ 1293 {QMI_QUIRK_SET_DTR(0x1199, 0x9091, 8)}, /* Sierra Wireless EM7565 */ 1294 {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ 1295 {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */ 1296 {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ 1297 {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ 1298 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1031, 3)}, /* Telit LE910C1-EUX */ 1299 {QMI_QUIRK_SET_DTR(0x1bc7, 0x103a, 0)}, /* Telit LE910C4-WWX */ 1300 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ 1301 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */ 1302 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1060, 2)}, /* Telit LN920 */ 1303 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1070, 2)}, /* Telit FN990 */ 1304 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1080, 2)}, /* Telit FE990 */ 1305 {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ 1306 {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */ 1307 {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ 1308 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */ 1309 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1230, 2)}, /* Telit LE910Cx */ 1310 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)}, /* Telit LE910Cx */ 1311 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)}, /* Telit LE910Cx */ 1312 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */ 1313 {QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */ 1314 {QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */ 1315 {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ 1316 {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ 1317 {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ 1318 {QMI_FIXED_INTF(0x0b3c, 0xc002, 4)}, /* Olivetti Olicard 140 */ 1319 {QMI_FIXED_INTF(0x0b3c, 0xc004, 6)}, /* Olivetti Olicard 155 */ 1320 {QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */ 1321 {QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */ 1322 {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */ 1323 {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ 1324 {QMI_QUIRK_SET_DTR(0x1e2d, 0x006f, 8)}, /* Cinterion PLS83/PLS63 */ 1325 {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */ 1326 {QMI_FIXED_INTF(0x1e2d, 0x0063, 10)}, /* Cinterion ALASxx (1 RmNet) */ 1327 {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1328 {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1329 {QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/ 1330 {QMI_QUIRK_SET_DTR(0x1e2d, 0x00b0, 4)}, /* Cinterion CLS8 */ 1331 {QMI_FIXED_INTF(0x1e2d, 0x00b7, 0)}, /* Cinterion MV31 RmNet */ 1332 {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ 1333 {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ 1334 {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ 1335 {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ 1336 {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ 1337 {QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ 1338 {QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ 1339 {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */ 1340 {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */ 1341 {QMI_FIXED_INTF(0x413c, 0x81c2, 8)}, /* Dell Wireless 5811e */ 1342 {QMI_FIXED_INTF(0x413c, 0x81cc, 8)}, /* Dell Wireless 5816e */ 1343 {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */ 1344 {QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */ 1345 {QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/ 1346 {QMI_FIXED_INTF(0x413c, 0x81e4, 0)}, /* Dell Wireless 5829e with eSIM support*/ 1347 {QMI_FIXED_INTF(0x413c, 0x81e6, 0)}, /* Dell Wireless 5829e */ 1348 {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ 1349 {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ 1350 {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ 1351 {QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */ 1352 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */ 1353 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */ 1354 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0195, 4)}, /* Quectel EG95 */ 1355 {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ 1356 {QMI_QUIRK_SET_DTR(0x2c7c, 0x030e, 4)}, /* Quectel EM05GV2 */ 1357 {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */ 1358 {QMI_FIXED_INTF(0x0489, 0xe0b4, 0)}, /* Foxconn T77W968 LTE */ 1359 {QMI_FIXED_INTF(0x0489, 0xe0b5, 0)}, /* Foxconn T77W968 LTE with eSIM support*/ 1360 {QMI_FIXED_INTF(0x2692, 0x9025, 4)}, /* Cellient MPL200 (rebranded Qualcomm 05c6:9025) */ 1361 {QMI_QUIRK_SET_DTR(0x1546, 0x1342, 4)}, /* u-blox LARA-L6 */ 1362 1363 /* 4. Gobi 1000 devices */ 1364 {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ 1365 {QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ 1366 {QMI_GOBI1K_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ 1367 {QMI_GOBI1K_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ 1368 {QMI_GOBI1K_DEVICE(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */ 1369 {QMI_GOBI1K_DEVICE(0x1410, 0xa002)}, /* Novatel Gobi Modem device */ 1370 {QMI_GOBI1K_DEVICE(0x1410, 0xa003)}, /* Novatel Gobi Modem device */ 1371 {QMI_GOBI1K_DEVICE(0x1410, 0xa004)}, /* Novatel Gobi Modem device */ 1372 {QMI_GOBI1K_DEVICE(0x1410, 0xa005)}, /* Novatel Gobi Modem device */ 1373 {QMI_GOBI1K_DEVICE(0x1410, 0xa006)}, /* Novatel Gobi Modem device */ 1374 {QMI_GOBI1K_DEVICE(0x1410, 0xa007)}, /* Novatel Gobi Modem device */ 1375 {QMI_GOBI1K_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ 1376 {QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ 1377 {QMI_GOBI1K_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ 1378 {QMI_GOBI1K_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ 1379 {QMI_GOBI1K_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ 1380 {QMI_GOBI1K_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ 1381 {QMI_GOBI1K_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ 1382 {QMI_GOBI1K_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ 1383 1384 /* 5. Gobi 2000 and 3000 devices */ 1385 {QMI_GOBI_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ 1386 {QMI_GOBI_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ 1387 {QMI_GOBI_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ 1388 {QMI_GOBI_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ 1389 {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ 1390 {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ 1391 {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ 1392 {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */ 1393 {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ 1394 {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ 1395 {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ 1396 {QMI_GOBI_DEVICE(0x0af0, 0x8120)}, /* Option GTM681W */ 1397 {QMI_GOBI_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */ 1398 {QMI_GOBI_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */ 1399 {QMI_GOBI_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1400 {QMI_GOBI_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1401 {QMI_GOBI_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1402 {QMI_GOBI_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1403 {QMI_GOBI_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1404 {QMI_GOBI_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1405 {QMI_GOBI_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1406 {QMI_GOBI_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1407 {QMI_GOBI_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1408 {QMI_GOBI_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1409 {QMI_GOBI_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ 1410 {QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ 1411 {QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ 1412 {QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ 1413 {QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ 1414 {QMI_GOBI_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ 1415 {QMI_GOBI_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ 1416 {QMI_GOBI_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ 1417 {QMI_GOBI_DEVICE(0x12d1, 0x14f1)}, /* Sony Gobi 3000 Composite */ 1418 {QMI_GOBI_DEVICE(0x1410, 0xa021)}, /* Foxconn Gobi 3000 Modem device (Novatel E396) */ 1419 1420 { } /* END */ 1421}; 1422MODULE_DEVICE_TABLE(usb, products); 1423 1424static bool quectel_ec20_detected(struct usb_interface *intf) 1425{ 1426 struct usb_device *dev = interface_to_usbdev(intf); 1427 1428 if (dev->actconfig && 1429 le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 && 1430 le16_to_cpu(dev->descriptor.idProduct) == 0x9215 && 1431 dev->actconfig->desc.bNumInterfaces == 5) 1432 return true; 1433 1434 return false; 1435} 1436 1437static int qmi_wwan_probe(struct usb_interface *intf, 1438 const struct usb_device_id *prod) 1439{ 1440 struct usb_device_id *id = (struct usb_device_id *)prod; 1441 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 1442 1443 /* Workaround to enable dynamic IDs. This disables usbnet 1444 * blacklisting functionality. Which, if required, can be 1445 * reimplemented here by using a magic "blacklist" value 1446 * instead of 0 in the static device id table 1447 */ 1448 if (!id->driver_info) { 1449 dev_dbg(&intf->dev, "setting defaults for dynamic device id\n"); 1450 id->driver_info = (unsigned long)&qmi_wwan_info; 1451 } 1452 1453 /* There are devices where the same interface number can be 1454 * configured as different functions. We should only bind to 1455 * vendor specific functions when matching on interface number 1456 */ 1457 if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER && 1458 desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) { 1459 dev_dbg(&intf->dev, 1460 "Rejecting interface number match for class %02x\n", 1461 desc->bInterfaceClass); 1462 return -ENODEV; 1463 } 1464 1465 /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */ 1466 if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) { 1467 dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n"); 1468 return -ENODEV; 1469 } 1470 1471 /* Several Quectel modems supports dynamic interface configuration, so 1472 * we need to match on class/subclass/protocol. These values are 1473 * identical for the diagnostic- and QMI-interface, but bNumEndpoints is 1474 * different. Ignore the current interface if the number of endpoints 1475 * equals the number for the diag interface (two). 1476 */ 1477 if (desc->bNumEndpoints == 2) 1478 return -ENODEV; 1479 1480 return usbnet_probe(intf, id); 1481} 1482 1483static void qmi_wwan_disconnect(struct usb_interface *intf) 1484{ 1485 struct usbnet *dev = usb_get_intfdata(intf); 1486 struct qmi_wwan_state *info; 1487 struct list_head *iter; 1488 struct net_device *ldev; 1489 LIST_HEAD(list); 1490 1491 /* called twice if separate control and data intf */ 1492 if (!dev) 1493 return; 1494 info = (void *)&dev->data; 1495 if (info->flags & QMI_WWAN_FLAG_MUX) { 1496 if (!rtnl_trylock()) { 1497 restart_syscall(); 1498 return; 1499 } 1500 rcu_read_lock(); 1501 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) 1502 qmimux_unregister_device(ldev, &list); 1503 rcu_read_unlock(); 1504 unregister_netdevice_many(&list); 1505 rtnl_unlock(); 1506 info->flags &= ~QMI_WWAN_FLAG_MUX; 1507 } 1508 usbnet_disconnect(intf); 1509} 1510 1511static struct usb_driver qmi_wwan_driver = { 1512 .name = "qmi_wwan", 1513 .id_table = products, 1514 .probe = qmi_wwan_probe, 1515 .disconnect = qmi_wwan_disconnect, 1516 .suspend = qmi_wwan_suspend, 1517 .resume = qmi_wwan_resume, 1518 .reset_resume = qmi_wwan_resume, 1519 .supports_autosuspend = 1, 1520 .disable_hub_initiated_lpm = 1, 1521}; 1522 1523module_usb_driver(qmi_wwan_driver); 1524 1525MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>"); 1526MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver"); 1527MODULE_LICENSE("GPL"); 1528