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/kstrtox.h> 17 #include <linux/mii.h> 18 #include <linux/rtnetlink.h> 19 #include <linux/usb.h> 20 #include <linux/usb/cdc.h> 21 #include <linux/usb/usbnet.h> 22 #include <linux/usb/cdc-wdm.h> 23 #include <linux/u64_stats_sync.h> 24 25 /* This driver supports wwan (3G/LTE/?) devices using a vendor 26 * specific management protocol called Qualcomm MSM Interface (QMI) - 27 * in addition to the more common AT commands over serial interface 28 * management 29 * 30 * QMI is wrapped in CDC, using CDC encapsulated commands on the 31 * control ("master") interface of a two-interface CDC Union 32 * resembling standard CDC ECM. The devices do not use the control 33 * interface for any other CDC messages. Most likely because the 34 * management protocol is used in place of the standard CDC 35 * notifications NOTIFY_NETWORK_CONNECTION and NOTIFY_SPEED_CHANGE 36 * 37 * Alternatively, control and data functions can be combined in a 38 * single USB interface. 39 * 40 * Handling a protocol like QMI is out of the scope for any driver. 41 * It is exported as a character device using the cdc-wdm driver as 42 * a subdriver, enabling userspace applications ("modem managers") to 43 * handle it. 44 * 45 * These devices may alternatively/additionally be configured using AT 46 * commands on a serial interface 47 */ 48 49 /* driver specific data */ 50 struct qmi_wwan_state { 51 struct usb_driver *subdriver; 52 atomic_t pmcount; 53 unsigned long flags; 54 struct usb_interface *control; 55 struct usb_interface *data; 56 }; 57 58 enum qmi_wwan_flags { 59 QMI_WWAN_FLAG_RAWIP = 1 << 0, 60 QMI_WWAN_FLAG_MUX = 1 << 1, 61 QMI_WWAN_FLAG_PASS_THROUGH = 1 << 2, 62 }; 63 64 enum qmi_wwan_quirks { 65 QMI_WWAN_QUIRK_DTR = 1 << 0, /* needs "set DTR" request */ 66 }; 67 68 struct qmimux_hdr { 69 u8 pad; 70 u8 mux_id; 71 __be16 pkt_len; 72 }; 73 74 struct qmimux_priv { 75 struct net_device *real_dev; 76 u8 mux_id; 77 }; 78 79 static int qmimux_open(struct net_device *dev) 80 { 81 struct qmimux_priv *priv = netdev_priv(dev); 82 struct net_device *real_dev = priv->real_dev; 83 84 if (!(priv->real_dev->flags & IFF_UP)) 85 return -ENETDOWN; 86 87 if (netif_carrier_ok(real_dev)) 88 netif_carrier_on(dev); 89 return 0; 90 } 91 92 static int qmimux_stop(struct net_device *dev) 93 { 94 netif_carrier_off(dev); 95 return 0; 96 } 97 98 static netdev_tx_t qmimux_start_xmit(struct sk_buff *skb, struct net_device *dev) 99 { 100 struct qmimux_priv *priv = netdev_priv(dev); 101 unsigned int len = skb->len; 102 struct qmimux_hdr *hdr; 103 netdev_tx_t ret; 104 105 hdr = skb_push(skb, sizeof(struct qmimux_hdr)); 106 hdr->pad = 0; 107 hdr->mux_id = priv->mux_id; 108 hdr->pkt_len = cpu_to_be16(len); 109 skb->dev = priv->real_dev; 110 ret = dev_queue_xmit(skb); 111 112 if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) 113 dev_sw_netstats_tx_add(dev, 1, len); 114 else 115 dev->stats.tx_dropped++; 116 117 return ret; 118 } 119 120 static const struct net_device_ops qmimux_netdev_ops = { 121 .ndo_open = qmimux_open, 122 .ndo_stop = qmimux_stop, 123 .ndo_start_xmit = qmimux_start_xmit, 124 }; 125 126 static void qmimux_setup(struct net_device *dev) 127 { 128 dev->header_ops = NULL; /* No header */ 129 dev->type = ARPHRD_NONE; 130 dev->hard_header_len = 0; 131 dev->addr_len = 0; 132 dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 133 dev->netdev_ops = &qmimux_netdev_ops; 134 dev->mtu = 1500; 135 dev->pcpu_stat_type = NETDEV_PCPU_STAT_TSTATS; 136 dev->needs_free_netdev = true; 137 } 138 139 static struct net_device *qmimux_find_dev(struct usbnet *dev, u8 mux_id) 140 { 141 struct qmimux_priv *priv; 142 struct list_head *iter; 143 struct net_device *ldev; 144 145 rcu_read_lock(); 146 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) { 147 priv = netdev_priv(ldev); 148 if (priv->mux_id == mux_id) { 149 rcu_read_unlock(); 150 return ldev; 151 } 152 } 153 rcu_read_unlock(); 154 return NULL; 155 } 156 157 static bool qmimux_has_slaves(struct usbnet *dev) 158 { 159 return !list_empty(&dev->net->adj_list.upper); 160 } 161 162 static int qmimux_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 163 { 164 unsigned int len, offset = 0, pad_len, pkt_len; 165 struct qmimux_hdr *hdr; 166 struct net_device *net; 167 struct sk_buff *skbn; 168 u8 qmimux_hdr_sz = sizeof(*hdr); 169 170 while (offset + qmimux_hdr_sz < skb->len) { 171 hdr = (struct qmimux_hdr *)(skb->data + offset); 172 len = be16_to_cpu(hdr->pkt_len); 173 174 /* drop the packet, bogus length */ 175 if (offset + len + qmimux_hdr_sz > skb->len) 176 return 0; 177 178 /* control packet, we do not know what to do */ 179 if (hdr->pad & 0x80) 180 goto skip; 181 182 /* extract padding length and check for valid length info */ 183 pad_len = hdr->pad & 0x3f; 184 if (len == 0 || pad_len >= len) 185 goto skip; 186 pkt_len = len - pad_len; 187 188 net = qmimux_find_dev(dev, hdr->mux_id); 189 if (!net) 190 goto skip; 191 skbn = netdev_alloc_skb(net, pkt_len + LL_MAX_HEADER); 192 if (!skbn) 193 return 0; 194 195 switch (skb->data[offset + qmimux_hdr_sz] & 0xf0) { 196 case 0x40: 197 skbn->protocol = htons(ETH_P_IP); 198 break; 199 case 0x60: 200 skbn->protocol = htons(ETH_P_IPV6); 201 break; 202 default: 203 /* not ip - do not know what to do */ 204 goto skip; 205 } 206 207 skb_reserve(skbn, LL_MAX_HEADER); 208 skb_put_data(skbn, skb->data + offset + qmimux_hdr_sz, pkt_len); 209 if (netif_rx(skbn) != NET_RX_SUCCESS) { 210 net->stats.rx_errors++; 211 return 0; 212 } else { 213 dev_sw_netstats_rx_add(net, pkt_len); 214 } 215 216 skip: 217 offset += len + qmimux_hdr_sz; 218 } 219 return 1; 220 } 221 222 static ssize_t mux_id_show(struct device *d, struct device_attribute *attr, char *buf) 223 { 224 struct net_device *dev = to_net_dev(d); 225 struct qmimux_priv *priv; 226 227 priv = netdev_priv(dev); 228 229 return sysfs_emit(buf, "0x%02x\n", priv->mux_id); 230 } 231 232 static DEVICE_ATTR_RO(mux_id); 233 234 static struct attribute *qmi_wwan_sysfs_qmimux_attrs[] = { 235 &dev_attr_mux_id.attr, 236 NULL, 237 }; 238 239 static struct attribute_group qmi_wwan_sysfs_qmimux_attr_group = { 240 .name = "qmap", 241 .attrs = qmi_wwan_sysfs_qmimux_attrs, 242 }; 243 244 static int qmimux_register_device(struct net_device *real_dev, u8 mux_id) 245 { 246 struct net_device *new_dev; 247 struct qmimux_priv *priv; 248 int err; 249 250 new_dev = alloc_netdev(sizeof(struct qmimux_priv), 251 "qmimux%d", NET_NAME_UNKNOWN, qmimux_setup); 252 if (!new_dev) 253 return -ENOBUFS; 254 255 dev_net_set(new_dev, dev_net(real_dev)); 256 priv = netdev_priv(new_dev); 257 priv->mux_id = mux_id; 258 priv->real_dev = real_dev; 259 260 new_dev->sysfs_groups[0] = &qmi_wwan_sysfs_qmimux_attr_group; 261 262 err = register_netdevice(new_dev); 263 if (err < 0) 264 goto out_free_newdev; 265 266 /* Account for reference in struct qmimux_priv_priv */ 267 dev_hold(real_dev); 268 269 err = netdev_upper_dev_link(real_dev, new_dev, NULL); 270 if (err) 271 goto out_unregister_netdev; 272 273 netif_stacked_transfer_operstate(real_dev, new_dev); 274 275 return 0; 276 277 out_unregister_netdev: 278 unregister_netdevice(new_dev); 279 dev_put(real_dev); 280 281 out_free_newdev: 282 free_netdev(new_dev); 283 return err; 284 } 285 286 static void qmimux_unregister_device(struct net_device *dev, 287 struct list_head *head) 288 { 289 struct qmimux_priv *priv = netdev_priv(dev); 290 struct net_device *real_dev = priv->real_dev; 291 292 netdev_upper_dev_unlink(real_dev, dev); 293 unregister_netdevice_queue(dev, head); 294 295 /* Get rid of the reference to real_dev */ 296 dev_put(real_dev); 297 } 298 299 static void qmi_wwan_netdev_setup(struct net_device *net) 300 { 301 struct usbnet *dev = netdev_priv(net); 302 struct qmi_wwan_state *info = (void *)&dev->data; 303 304 if (info->flags & QMI_WWAN_FLAG_RAWIP) { 305 net->header_ops = NULL; /* No header */ 306 net->type = ARPHRD_NONE; 307 net->hard_header_len = 0; 308 net->addr_len = 0; 309 net->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; 310 set_bit(EVENT_NO_IP_ALIGN, &dev->flags); 311 netdev_dbg(net, "mode: raw IP\n"); 312 } else if (!net->header_ops) { /* don't bother if already set */ 313 ether_setup(net); 314 /* Restoring min/max mtu values set originally by usbnet */ 315 net->min_mtu = 0; 316 net->max_mtu = ETH_MAX_MTU; 317 clear_bit(EVENT_NO_IP_ALIGN, &dev->flags); 318 netdev_dbg(net, "mode: Ethernet\n"); 319 } 320 321 /* recalculate buffers after changing hard_header_len */ 322 usbnet_change_mtu(net, net->mtu); 323 } 324 325 static ssize_t raw_ip_show(struct device *d, struct device_attribute *attr, char *buf) 326 { 327 struct usbnet *dev = netdev_priv(to_net_dev(d)); 328 struct qmi_wwan_state *info = (void *)&dev->data; 329 330 return sprintf(buf, "%c\n", info->flags & QMI_WWAN_FLAG_RAWIP ? 'Y' : 'N'); 331 } 332 333 static ssize_t raw_ip_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 334 { 335 struct usbnet *dev = netdev_priv(to_net_dev(d)); 336 struct qmi_wwan_state *info = (void *)&dev->data; 337 bool enable; 338 int ret; 339 340 if (kstrtobool(buf, &enable)) 341 return -EINVAL; 342 343 /* no change? */ 344 if (enable == (info->flags & QMI_WWAN_FLAG_RAWIP)) 345 return len; 346 347 /* ip mode cannot be cleared when pass through mode is set */ 348 if (!enable && (info->flags & QMI_WWAN_FLAG_PASS_THROUGH)) { 349 netdev_err(dev->net, 350 "Cannot clear ip mode on pass through device\n"); 351 return -EINVAL; 352 } 353 354 if (!rtnl_trylock()) 355 return restart_syscall(); 356 357 /* we don't want to modify a running netdev */ 358 if (netif_running(dev->net)) { 359 netdev_err(dev->net, "Cannot change a running device\n"); 360 ret = -EBUSY; 361 goto err; 362 } 363 364 /* let other drivers deny the change */ 365 ret = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev->net); 366 ret = notifier_to_errno(ret); 367 if (ret) { 368 netdev_err(dev->net, "Type change was refused\n"); 369 goto err; 370 } 371 372 if (enable) 373 info->flags |= QMI_WWAN_FLAG_RAWIP; 374 else 375 info->flags &= ~QMI_WWAN_FLAG_RAWIP; 376 qmi_wwan_netdev_setup(dev->net); 377 call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev->net); 378 ret = len; 379 err: 380 rtnl_unlock(); 381 return ret; 382 } 383 384 static ssize_t add_mux_show(struct device *d, struct device_attribute *attr, char *buf) 385 { 386 struct net_device *dev = to_net_dev(d); 387 struct qmimux_priv *priv; 388 struct list_head *iter; 389 struct net_device *ldev; 390 ssize_t count = 0; 391 392 rcu_read_lock(); 393 netdev_for_each_upper_dev_rcu(dev, ldev, iter) { 394 priv = netdev_priv(ldev); 395 count += scnprintf(&buf[count], PAGE_SIZE - count, 396 "0x%02x\n", priv->mux_id); 397 } 398 rcu_read_unlock(); 399 return count; 400 } 401 402 static ssize_t add_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 403 { 404 struct usbnet *dev = netdev_priv(to_net_dev(d)); 405 struct qmi_wwan_state *info = (void *)&dev->data; 406 u8 mux_id; 407 int ret; 408 409 if (kstrtou8(buf, 0, &mux_id)) 410 return -EINVAL; 411 412 /* mux_id [1 - 254] for compatibility with ip(8) and the rmnet driver */ 413 if (mux_id < 1 || mux_id > 254) 414 return -EINVAL; 415 416 if (!rtnl_trylock()) 417 return restart_syscall(); 418 419 if (qmimux_find_dev(dev, mux_id)) { 420 netdev_err(dev->net, "mux_id already present\n"); 421 ret = -EINVAL; 422 goto err; 423 } 424 425 ret = qmimux_register_device(dev->net, mux_id); 426 if (!ret) { 427 info->flags |= QMI_WWAN_FLAG_MUX; 428 ret = len; 429 } 430 err: 431 rtnl_unlock(); 432 return ret; 433 } 434 435 static ssize_t del_mux_show(struct device *d, struct device_attribute *attr, char *buf) 436 { 437 return add_mux_show(d, attr, buf); 438 } 439 440 static ssize_t del_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len) 441 { 442 struct usbnet *dev = netdev_priv(to_net_dev(d)); 443 struct qmi_wwan_state *info = (void *)&dev->data; 444 struct net_device *del_dev; 445 u8 mux_id; 446 int ret = 0; 447 448 if (kstrtou8(buf, 0, &mux_id)) 449 return -EINVAL; 450 451 if (!rtnl_trylock()) 452 return restart_syscall(); 453 454 del_dev = qmimux_find_dev(dev, mux_id); 455 if (!del_dev) { 456 netdev_err(dev->net, "mux_id not present\n"); 457 ret = -EINVAL; 458 goto err; 459 } 460 qmimux_unregister_device(del_dev, NULL); 461 462 if (!qmimux_has_slaves(dev)) 463 info->flags &= ~QMI_WWAN_FLAG_MUX; 464 ret = len; 465 err: 466 rtnl_unlock(); 467 return ret; 468 } 469 470 static ssize_t pass_through_show(struct device *d, 471 struct device_attribute *attr, char *buf) 472 { 473 struct usbnet *dev = netdev_priv(to_net_dev(d)); 474 struct qmi_wwan_state *info; 475 476 info = (void *)&dev->data; 477 return sprintf(buf, "%c\n", 478 info->flags & QMI_WWAN_FLAG_PASS_THROUGH ? 'Y' : 'N'); 479 } 480 481 static ssize_t pass_through_store(struct device *d, 482 struct device_attribute *attr, 483 const char *buf, size_t len) 484 { 485 struct usbnet *dev = netdev_priv(to_net_dev(d)); 486 struct qmi_wwan_state *info; 487 bool enable; 488 489 if (kstrtobool(buf, &enable)) 490 return -EINVAL; 491 492 info = (void *)&dev->data; 493 494 /* no change? */ 495 if (enable == (info->flags & QMI_WWAN_FLAG_PASS_THROUGH)) 496 return len; 497 498 /* pass through mode can be set for raw ip devices only */ 499 if (!(info->flags & QMI_WWAN_FLAG_RAWIP)) { 500 netdev_err(dev->net, 501 "Cannot set pass through mode on non ip device\n"); 502 return -EINVAL; 503 } 504 505 if (enable) 506 info->flags |= QMI_WWAN_FLAG_PASS_THROUGH; 507 else 508 info->flags &= ~QMI_WWAN_FLAG_PASS_THROUGH; 509 510 return len; 511 } 512 513 static DEVICE_ATTR_RW(raw_ip); 514 static DEVICE_ATTR_RW(add_mux); 515 static DEVICE_ATTR_RW(del_mux); 516 static DEVICE_ATTR_RW(pass_through); 517 518 static struct attribute *qmi_wwan_sysfs_attrs[] = { 519 &dev_attr_raw_ip.attr, 520 &dev_attr_add_mux.attr, 521 &dev_attr_del_mux.attr, 522 &dev_attr_pass_through.attr, 523 NULL, 524 }; 525 526 static struct attribute_group qmi_wwan_sysfs_attr_group = { 527 .name = "qmi", 528 .attrs = qmi_wwan_sysfs_attrs, 529 }; 530 531 /* default ethernet address used by the modem */ 532 static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3}; 533 534 static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00}; 535 536 /* Make up an ethernet header if the packet doesn't have one. 537 * 538 * A firmware bug common among several devices cause them to send raw 539 * IP packets under some circumstances. There is no way for the 540 * driver/host to know when this will happen. And even when the bug 541 * hits, some packets will still arrive with an intact header. 542 * 543 * The supported devices are only capably of sending IPv4, IPv6 and 544 * ARP packets on a point-to-point link. Any packet with an ethernet 545 * header will have either our address or a broadcast/multicast 546 * address as destination. ARP packets will always have a header. 547 * 548 * This means that this function will reliably add the appropriate 549 * header iff necessary, provided our hardware address does not start 550 * with 4 or 6. 551 * 552 * Another common firmware bug results in all packets being addressed 553 * to 00:a0:c6:00:00:00 despite the host address being different. 554 * This function will also fixup such packets. 555 */ 556 static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 557 { 558 struct qmi_wwan_state *info = (void *)&dev->data; 559 bool rawip = info->flags & QMI_WWAN_FLAG_RAWIP; 560 __be16 proto; 561 562 /* This check is no longer done by usbnet */ 563 if (skb->len < dev->net->hard_header_len) 564 return 0; 565 566 if (info->flags & QMI_WWAN_FLAG_MUX) 567 return qmimux_rx_fixup(dev, skb); 568 569 if (info->flags & QMI_WWAN_FLAG_PASS_THROUGH) { 570 skb->protocol = htons(ETH_P_MAP); 571 return 1; 572 } 573 574 switch (skb->data[0] & 0xf0) { 575 case 0x40: 576 proto = htons(ETH_P_IP); 577 break; 578 case 0x60: 579 proto = htons(ETH_P_IPV6); 580 break; 581 case 0x00: 582 if (rawip) 583 return 0; 584 if (is_multicast_ether_addr(skb->data)) 585 return 1; 586 /* possibly bogus destination - rewrite just in case */ 587 skb_reset_mac_header(skb); 588 goto fix_dest; 589 default: 590 if (rawip) 591 return 0; 592 /* pass along other packets without modifications */ 593 return 1; 594 } 595 if (rawip) { 596 skb_reset_mac_header(skb); 597 skb->dev = dev->net; /* normally set by eth_type_trans */ 598 skb->protocol = proto; 599 return 1; 600 } 601 602 if (skb_headroom(skb) < ETH_HLEN) 603 return 0; 604 skb_push(skb, ETH_HLEN); 605 skb_reset_mac_header(skb); 606 eth_hdr(skb)->h_proto = proto; 607 eth_zero_addr(eth_hdr(skb)->h_source); 608 fix_dest: 609 memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN); 610 return 1; 611 } 612 613 /* very simplistic detection of IPv4 or IPv6 headers */ 614 static bool possibly_iphdr(const char *data) 615 { 616 return (data[0] & 0xd0) == 0x40; 617 } 618 619 /* disallow addresses which may be confused with IP headers */ 620 static int qmi_wwan_mac_addr(struct net_device *dev, void *p) 621 { 622 int ret; 623 struct sockaddr *addr = p; 624 625 ret = eth_prepare_mac_addr_change(dev, p); 626 if (ret < 0) 627 return ret; 628 if (possibly_iphdr(addr->sa_data)) 629 return -EADDRNOTAVAIL; 630 eth_commit_mac_addr_change(dev, p); 631 return 0; 632 } 633 634 static const struct net_device_ops qmi_wwan_netdev_ops = { 635 .ndo_open = usbnet_open, 636 .ndo_stop = usbnet_stop, 637 .ndo_start_xmit = usbnet_start_xmit, 638 .ndo_tx_timeout = usbnet_tx_timeout, 639 .ndo_change_mtu = usbnet_change_mtu, 640 .ndo_set_mac_address = qmi_wwan_mac_addr, 641 .ndo_validate_addr = eth_validate_addr, 642 }; 643 644 /* using a counter to merge subdriver requests with our own into a 645 * combined state 646 */ 647 static int qmi_wwan_manage_power(struct usbnet *dev, int on) 648 { 649 struct qmi_wwan_state *info = (void *)&dev->data; 650 int rv; 651 652 dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__, 653 atomic_read(&info->pmcount), on); 654 655 if ((on && atomic_add_return(1, &info->pmcount) == 1) || 656 (!on && atomic_dec_and_test(&info->pmcount))) { 657 /* need autopm_get/put here to ensure the usbcore sees 658 * the new value 659 */ 660 rv = usb_autopm_get_interface(dev->intf); 661 dev->intf->needs_remote_wakeup = on; 662 if (!rv) 663 usb_autopm_put_interface(dev->intf); 664 } 665 return 0; 666 } 667 668 static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on) 669 { 670 struct usbnet *dev = usb_get_intfdata(intf); 671 672 /* can be called while disconnecting */ 673 if (!dev) 674 return 0; 675 return qmi_wwan_manage_power(dev, on); 676 } 677 678 /* collect all three endpoints and register subdriver */ 679 static int qmi_wwan_register_subdriver(struct usbnet *dev) 680 { 681 int rv; 682 struct usb_driver *subdriver = NULL; 683 struct qmi_wwan_state *info = (void *)&dev->data; 684 685 /* collect bulk endpoints */ 686 rv = usbnet_get_endpoints(dev, info->data); 687 if (rv < 0) 688 goto err; 689 690 /* update status endpoint if separate control interface */ 691 if (info->control != info->data) 692 dev->status = &info->control->cur_altsetting->endpoint[0]; 693 694 /* require interrupt endpoint for subdriver */ 695 if (!dev->status) { 696 rv = -EINVAL; 697 goto err; 698 } 699 700 /* for subdriver power management */ 701 atomic_set(&info->pmcount, 0); 702 703 /* register subdriver */ 704 subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc, 705 4096, WWAN_PORT_QMI, 706 &qmi_wwan_cdc_wdm_manage_power); 707 if (IS_ERR(subdriver)) { 708 dev_err(&info->control->dev, "subdriver registration failed\n"); 709 rv = PTR_ERR(subdriver); 710 goto err; 711 } 712 713 /* prevent usbnet from using status endpoint */ 714 dev->status = NULL; 715 716 /* save subdriver struct for suspend/resume wrappers */ 717 info->subdriver = subdriver; 718 719 err: 720 return rv; 721 } 722 723 /* Send CDC SetControlLineState request, setting or clearing the DTR. 724 * "Required for Autoconnect and 9x30 to wake up" according to the 725 * GobiNet driver. The requirement has been verified on an MDM9230 726 * based Sierra Wireless MC7455 727 */ 728 static int qmi_wwan_change_dtr(struct usbnet *dev, bool on) 729 { 730 u8 intf = dev->intf->cur_altsetting->desc.bInterfaceNumber; 731 732 return usbnet_write_cmd(dev, USB_CDC_REQ_SET_CONTROL_LINE_STATE, 733 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 734 on ? 0x01 : 0x00, intf, NULL, 0); 735 } 736 737 static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) 738 { 739 int status; 740 u8 *buf = intf->cur_altsetting->extra; 741 int len = intf->cur_altsetting->extralen; 742 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 743 struct usb_cdc_union_desc *cdc_union; 744 struct usb_cdc_ether_desc *cdc_ether; 745 struct usb_driver *driver = driver_of(intf); 746 struct qmi_wwan_state *info = (void *)&dev->data; 747 struct usb_cdc_parsed_header hdr; 748 749 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) < 750 sizeof(struct qmi_wwan_state))); 751 752 /* set up initial state */ 753 info->control = intf; 754 info->data = intf; 755 756 /* and a number of CDC descriptors */ 757 cdc_parse_cdc_header(&hdr, intf, buf, len); 758 cdc_union = hdr.usb_cdc_union_desc; 759 cdc_ether = hdr.usb_cdc_ether_desc; 760 761 /* Use separate control and data interfaces if we found a CDC Union */ 762 if (cdc_union) { 763 info->data = usb_ifnum_to_if(dev->udev, 764 cdc_union->bSlaveInterface0); 765 if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 || 766 !info->data) { 767 dev_err(&intf->dev, 768 "bogus CDC Union: master=%u, slave=%u\n", 769 cdc_union->bMasterInterface0, 770 cdc_union->bSlaveInterface0); 771 772 /* ignore and continue... */ 773 cdc_union = NULL; 774 info->data = intf; 775 } 776 } 777 778 /* errors aren't fatal - we can live with the dynamic address */ 779 if (cdc_ether && cdc_ether->wMaxSegmentSize) { 780 dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize); 781 usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress); 782 } 783 784 /* claim data interface and set it up */ 785 if (info->control != info->data) { 786 status = usb_driver_claim_interface(driver, info->data, dev); 787 if (status < 0) 788 goto err; 789 } 790 791 status = qmi_wwan_register_subdriver(dev); 792 if (status < 0 && info->control != info->data) { 793 usb_set_intfdata(info->data, NULL); 794 usb_driver_release_interface(driver, info->data); 795 } 796 797 /* disabling remote wakeup on MDM9x30 devices has the same 798 * effect as clearing DTR. The device will not respond to QMI 799 * requests until we set DTR again. This is similar to a 800 * QMI_CTL SYNC request, clearing a lot of firmware state 801 * including the client ID allocations. 802 * 803 * Our usage model allows a session to span multiple 804 * open/close events, so we must prevent the firmware from 805 * clearing out state the clients might need. 806 * 807 * MDM9x30 is the first QMI chipset with USB3 support. Abuse 808 * this fact to enable the quirk for all USB3 devices. 809 * 810 * There are also chipsets with the same "set DTR" requirement 811 * but without USB3 support. Devices based on these chips 812 * need a quirk flag in the device ID table. 813 */ 814 if (dev->driver_info->data & QMI_WWAN_QUIRK_DTR || 815 le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 816 qmi_wwan_manage_power(dev, 1); 817 qmi_wwan_change_dtr(dev, true); 818 } 819 820 /* Never use the same address on both ends of the link, even if the 821 * buggy firmware told us to. Or, if device is assigned the well-known 822 * buggy firmware MAC address, replace it with a random address, 823 */ 824 if (ether_addr_equal(dev->net->dev_addr, default_modem_addr) || 825 ether_addr_equal(dev->net->dev_addr, buggy_fw_addr)) 826 eth_hw_addr_random(dev->net); 827 828 /* make MAC addr easily distinguishable from an IP header */ 829 if (possibly_iphdr(dev->net->dev_addr)) { 830 u8 addr = dev->net->dev_addr[0]; 831 832 addr |= 0x02; /* set local assignment bit */ 833 addr &= 0xbf; /* clear "IP" bit */ 834 dev_addr_mod(dev->net, 0, &addr, 1); 835 } 836 dev->net->netdev_ops = &qmi_wwan_netdev_ops; 837 dev->net->sysfs_groups[0] = &qmi_wwan_sysfs_attr_group; 838 err: 839 return status; 840 } 841 842 static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf) 843 { 844 struct qmi_wwan_state *info = (void *)&dev->data; 845 struct usb_driver *driver = driver_of(intf); 846 struct usb_interface *other; 847 848 if (info->subdriver && info->subdriver->disconnect) 849 info->subdriver->disconnect(info->control); 850 851 /* disable MDM9x30 quirk */ 852 if (le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) { 853 qmi_wwan_change_dtr(dev, false); 854 qmi_wwan_manage_power(dev, 0); 855 } 856 857 /* allow user to unbind using either control or data */ 858 if (intf == info->control) 859 other = info->data; 860 else 861 other = info->control; 862 863 /* only if not shared */ 864 if (other && intf != other) { 865 usb_set_intfdata(other, NULL); 866 usb_driver_release_interface(driver, other); 867 } 868 869 info->subdriver = NULL; 870 info->data = NULL; 871 info->control = NULL; 872 } 873 874 /* suspend/resume wrappers calling both usbnet and the cdc-wdm 875 * subdriver if present. 876 * 877 * NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide 878 * wrappers for those without adding usbnet reset support first. 879 */ 880 static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message) 881 { 882 struct usbnet *dev = usb_get_intfdata(intf); 883 struct qmi_wwan_state *info = (void *)&dev->data; 884 int ret; 885 886 /* Both usbnet_suspend() and subdriver->suspend() MUST return 0 887 * in system sleep context, otherwise, the resume callback has 888 * to recover device from previous suspend failure. 889 */ 890 ret = usbnet_suspend(intf, message); 891 if (ret < 0) 892 goto err; 893 894 if (intf == info->control && info->subdriver && 895 info->subdriver->suspend) 896 ret = info->subdriver->suspend(intf, message); 897 if (ret < 0) 898 usbnet_resume(intf); 899 err: 900 return ret; 901 } 902 903 static int qmi_wwan_resume(struct usb_interface *intf) 904 { 905 struct usbnet *dev = usb_get_intfdata(intf); 906 struct qmi_wwan_state *info = (void *)&dev->data; 907 int ret = 0; 908 bool callsub = (intf == info->control && info->subdriver && 909 info->subdriver->resume); 910 911 if (callsub) 912 ret = info->subdriver->resume(intf); 913 if (ret < 0) 914 goto err; 915 ret = usbnet_resume(intf); 916 if (ret < 0 && callsub) 917 info->subdriver->suspend(intf, PMSG_SUSPEND); 918 err: 919 return ret; 920 } 921 922 static const struct driver_info qmi_wwan_info = { 923 .description = "WWAN/QMI device", 924 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 925 .bind = qmi_wwan_bind, 926 .unbind = qmi_wwan_unbind, 927 .manage_power = qmi_wwan_manage_power, 928 .rx_fixup = qmi_wwan_rx_fixup, 929 }; 930 931 static const struct driver_info qmi_wwan_info_quirk_dtr = { 932 .description = "WWAN/QMI device", 933 .flags = FLAG_WWAN | FLAG_SEND_ZLP, 934 .bind = qmi_wwan_bind, 935 .unbind = qmi_wwan_unbind, 936 .manage_power = qmi_wwan_manage_power, 937 .rx_fixup = qmi_wwan_rx_fixup, 938 .data = QMI_WWAN_QUIRK_DTR, 939 }; 940 941 #define HUAWEI_VENDOR_ID 0x12D1 942 943 /* map QMI/wwan function by a fixed interface number */ 944 #define QMI_FIXED_INTF(vend, prod, num) \ 945 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 946 .driver_info = (unsigned long)&qmi_wwan_info 947 948 /* devices requiring "set DTR" quirk */ 949 #define QMI_QUIRK_SET_DTR(vend, prod, num) \ 950 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \ 951 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 952 953 /* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */ 954 #define QMI_GOBI1K_DEVICE(vend, prod) \ 955 QMI_FIXED_INTF(vend, prod, 3) 956 957 /* Gobi 2000/3000 QMI/wwan interface number is 0 according to qcserial */ 958 #define QMI_GOBI_DEVICE(vend, prod) \ 959 QMI_FIXED_INTF(vend, prod, 0) 960 961 /* Many devices have QMI and DIAG functions which are distinguishable 962 * from other vendor specific functions by class, subclass and 963 * protocol all being 0xff. The DIAG function has exactly 2 endpoints 964 * and is silently rejected when probed. 965 * 966 * This makes it possible to match dynamically numbered QMI functions 967 * as seen on e.g. many Quectel modems. 968 */ 969 #define QMI_MATCH_FF_FF_FF(vend, prod) \ 970 USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_VENDOR_SPEC, \ 971 USB_SUBCLASS_VENDOR_SPEC, 0xff), \ 972 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr 973 974 static const struct usb_device_id products[] = { 975 /* 1. CDC ECM like devices match on the control interface */ 976 { /* Huawei E392, E398 and possibly others sharing both device id and more... */ 977 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 9), 978 .driver_info = (unsigned long)&qmi_wwan_info, 979 }, 980 { /* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */ 981 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 57), 982 .driver_info = (unsigned long)&qmi_wwan_info, 983 }, 984 { /* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */ 985 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69), 986 .driver_info = (unsigned long)&qmi_wwan_info, 987 }, 988 { /* Motorola Mapphone devices with MDM6600 */ 989 USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC, 0xfb, 0xff), 990 .driver_info = (unsigned long)&qmi_wwan_info, 991 }, 992 993 /* 2. Combined interface devices matching on class+protocol */ 994 { /* Huawei E367 and possibly others in "Windows mode" */ 995 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7), 996 .driver_info = (unsigned long)&qmi_wwan_info, 997 }, 998 { /* Huawei E392, E398 and possibly others in "Windows mode" */ 999 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17), 1000 .driver_info = (unsigned long)&qmi_wwan_info, 1001 }, 1002 { /* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */ 1003 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x37), 1004 .driver_info = (unsigned long)&qmi_wwan_info, 1005 }, 1006 { /* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */ 1007 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x67), 1008 .driver_info = (unsigned long)&qmi_wwan_info, 1009 }, 1010 { /* Pantech UML290, P4200 and more */ 1011 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff), 1012 .driver_info = (unsigned long)&qmi_wwan_info, 1013 }, 1014 { /* Pantech UML290 - newer firmware */ 1015 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff), 1016 .driver_info = (unsigned long)&qmi_wwan_info, 1017 }, 1018 { /* Novatel USB551L and MC551 */ 1019 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001, 1020 USB_CLASS_COMM, 1021 USB_CDC_SUBCLASS_ETHERNET, 1022 USB_CDC_PROTO_NONE), 1023 .driver_info = (unsigned long)&qmi_wwan_info, 1024 }, 1025 { /* Novatel E362 */ 1026 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010, 1027 USB_CLASS_COMM, 1028 USB_CDC_SUBCLASS_ETHERNET, 1029 USB_CDC_PROTO_NONE), 1030 .driver_info = (unsigned long)&qmi_wwan_info, 1031 }, 1032 { /* Novatel Expedite E371 */ 1033 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9011, 1034 USB_CLASS_COMM, 1035 USB_CDC_SUBCLASS_ETHERNET, 1036 USB_CDC_PROTO_NONE), 1037 .driver_info = (unsigned long)&qmi_wwan_info, 1038 }, 1039 { /* Dell Wireless 5800 (Novatel E362) */ 1040 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195, 1041 USB_CLASS_COMM, 1042 USB_CDC_SUBCLASS_ETHERNET, 1043 USB_CDC_PROTO_NONE), 1044 .driver_info = (unsigned long)&qmi_wwan_info, 1045 }, 1046 { /* Dell Wireless 5800 V2 (Novatel E362) */ 1047 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196, 1048 USB_CLASS_COMM, 1049 USB_CDC_SUBCLASS_ETHERNET, 1050 USB_CDC_PROTO_NONE), 1051 .driver_info = (unsigned long)&qmi_wwan_info, 1052 }, 1053 { /* Dell Wireless 5804 (Novatel E371) */ 1054 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b, 1055 USB_CLASS_COMM, 1056 USB_CDC_SUBCLASS_ETHERNET, 1057 USB_CDC_PROTO_NONE), 1058 .driver_info = (unsigned long)&qmi_wwan_info, 1059 }, 1060 { /* ADU960S */ 1061 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, 1062 USB_CLASS_COMM, 1063 USB_CDC_SUBCLASS_ETHERNET, 1064 USB_CDC_PROTO_NONE), 1065 .driver_info = (unsigned long)&qmi_wwan_info, 1066 }, 1067 { /* HP lt2523 (Novatel E371) */ 1068 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 1069 USB_CLASS_COMM, 1070 USB_CDC_SUBCLASS_ETHERNET, 1071 USB_CDC_PROTO_NONE), 1072 .driver_info = (unsigned long)&qmi_wwan_info, 1073 }, 1074 { /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */ 1075 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7), 1076 .driver_info = (unsigned long)&qmi_wwan_info, 1077 }, 1078 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ 1079 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */ 1080 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */ 1081 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0620)}, /* Quectel EM160R-GL */ 1082 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0800)}, /* Quectel RM500Q-GL */ 1083 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0801)}, /* Quectel RM520N */ 1084 1085 /* 3. Combined interface devices matching on interface number */ 1086 {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */ 1087 {QMI_FIXED_INTF(0x05c6, 0x6001, 3)}, /* 4G LTE usb-modem U901 */ 1088 {QMI_FIXED_INTF(0x05c6, 0x7000, 0)}, 1089 {QMI_FIXED_INTF(0x05c6, 0x7001, 1)}, 1090 {QMI_FIXED_INTF(0x05c6, 0x7002, 1)}, 1091 {QMI_FIXED_INTF(0x05c6, 0x7101, 1)}, 1092 {QMI_FIXED_INTF(0x05c6, 0x7101, 2)}, 1093 {QMI_FIXED_INTF(0x05c6, 0x7101, 3)}, 1094 {QMI_FIXED_INTF(0x05c6, 0x7102, 1)}, 1095 {QMI_FIXED_INTF(0x05c6, 0x7102, 2)}, 1096 {QMI_FIXED_INTF(0x05c6, 0x7102, 3)}, 1097 {QMI_FIXED_INTF(0x05c6, 0x8000, 7)}, 1098 {QMI_FIXED_INTF(0x05c6, 0x8001, 6)}, 1099 {QMI_FIXED_INTF(0x05c6, 0x9000, 4)}, 1100 {QMI_FIXED_INTF(0x05c6, 0x9003, 4)}, 1101 {QMI_FIXED_INTF(0x05c6, 0x9005, 2)}, 1102 {QMI_FIXED_INTF(0x05c6, 0x900a, 4)}, 1103 {QMI_FIXED_INTF(0x05c6, 0x900b, 2)}, 1104 {QMI_FIXED_INTF(0x05c6, 0x900c, 4)}, 1105 {QMI_FIXED_INTF(0x05c6, 0x900c, 5)}, 1106 {QMI_FIXED_INTF(0x05c6, 0x900c, 6)}, 1107 {QMI_FIXED_INTF(0x05c6, 0x900d, 5)}, 1108 {QMI_FIXED_INTF(0x05c6, 0x900f, 3)}, 1109 {QMI_FIXED_INTF(0x05c6, 0x900f, 4)}, 1110 {QMI_FIXED_INTF(0x05c6, 0x900f, 5)}, 1111 {QMI_FIXED_INTF(0x05c6, 0x9010, 4)}, 1112 {QMI_FIXED_INTF(0x05c6, 0x9010, 5)}, 1113 {QMI_FIXED_INTF(0x05c6, 0x9011, 3)}, 1114 {QMI_FIXED_INTF(0x05c6, 0x9011, 4)}, 1115 {QMI_FIXED_INTF(0x05c6, 0x9021, 1)}, 1116 {QMI_FIXED_INTF(0x05c6, 0x9022, 2)}, 1117 {QMI_QUIRK_SET_DTR(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD LTE (China Mobile) */ 1118 {QMI_FIXED_INTF(0x05c6, 0x9026, 3)}, 1119 {QMI_FIXED_INTF(0x05c6, 0x902e, 5)}, 1120 {QMI_FIXED_INTF(0x05c6, 0x9031, 5)}, 1121 {QMI_FIXED_INTF(0x05c6, 0x9032, 4)}, 1122 {QMI_FIXED_INTF(0x05c6, 0x9033, 3)}, 1123 {QMI_FIXED_INTF(0x05c6, 0x9033, 4)}, 1124 {QMI_FIXED_INTF(0x05c6, 0x9033, 5)}, 1125 {QMI_FIXED_INTF(0x05c6, 0x9033, 6)}, 1126 {QMI_FIXED_INTF(0x05c6, 0x9034, 3)}, 1127 {QMI_FIXED_INTF(0x05c6, 0x9034, 4)}, 1128 {QMI_FIXED_INTF(0x05c6, 0x9034, 5)}, 1129 {QMI_FIXED_INTF(0x05c6, 0x9034, 6)}, 1130 {QMI_FIXED_INTF(0x05c6, 0x9034, 7)}, 1131 {QMI_FIXED_INTF(0x05c6, 0x9035, 4)}, 1132 {QMI_FIXED_INTF(0x05c6, 0x9036, 3)}, 1133 {QMI_FIXED_INTF(0x05c6, 0x9037, 5)}, 1134 {QMI_FIXED_INTF(0x05c6, 0x9038, 4)}, 1135 {QMI_FIXED_INTF(0x05c6, 0x903b, 7)}, 1136 {QMI_FIXED_INTF(0x05c6, 0x903c, 6)}, 1137 {QMI_FIXED_INTF(0x05c6, 0x903d, 6)}, 1138 {QMI_FIXED_INTF(0x05c6, 0x903e, 5)}, 1139 {QMI_FIXED_INTF(0x05c6, 0x9043, 3)}, 1140 {QMI_FIXED_INTF(0x05c6, 0x9046, 3)}, 1141 {QMI_FIXED_INTF(0x05c6, 0x9046, 4)}, 1142 {QMI_FIXED_INTF(0x05c6, 0x9046, 5)}, 1143 {QMI_FIXED_INTF(0x05c6, 0x9047, 2)}, 1144 {QMI_FIXED_INTF(0x05c6, 0x9047, 3)}, 1145 {QMI_FIXED_INTF(0x05c6, 0x9047, 4)}, 1146 {QMI_FIXED_INTF(0x05c6, 0x9048, 4)}, 1147 {QMI_FIXED_INTF(0x05c6, 0x9048, 5)}, 1148 {QMI_FIXED_INTF(0x05c6, 0x9048, 6)}, 1149 {QMI_FIXED_INTF(0x05c6, 0x9048, 7)}, 1150 {QMI_FIXED_INTF(0x05c6, 0x9048, 8)}, 1151 {QMI_FIXED_INTF(0x05c6, 0x904c, 5)}, 1152 {QMI_FIXED_INTF(0x05c6, 0x904c, 6)}, 1153 {QMI_FIXED_INTF(0x05c6, 0x904c, 7)}, 1154 {QMI_FIXED_INTF(0x05c6, 0x904c, 8)}, 1155 {QMI_FIXED_INTF(0x05c6, 0x9050, 3)}, 1156 {QMI_FIXED_INTF(0x05c6, 0x9052, 4)}, 1157 {QMI_FIXED_INTF(0x05c6, 0x9053, 6)}, 1158 {QMI_FIXED_INTF(0x05c6, 0x9053, 7)}, 1159 {QMI_FIXED_INTF(0x05c6, 0x9054, 5)}, 1160 {QMI_FIXED_INTF(0x05c6, 0x9054, 6)}, 1161 {QMI_FIXED_INTF(0x05c6, 0x9055, 3)}, 1162 {QMI_FIXED_INTF(0x05c6, 0x9055, 4)}, 1163 {QMI_FIXED_INTF(0x05c6, 0x9055, 5)}, 1164 {QMI_FIXED_INTF(0x05c6, 0x9055, 6)}, 1165 {QMI_FIXED_INTF(0x05c6, 0x9055, 7)}, 1166 {QMI_FIXED_INTF(0x05c6, 0x9056, 3)}, 1167 {QMI_FIXED_INTF(0x05c6, 0x9062, 2)}, 1168 {QMI_FIXED_INTF(0x05c6, 0x9062, 3)}, 1169 {QMI_FIXED_INTF(0x05c6, 0x9062, 4)}, 1170 {QMI_FIXED_INTF(0x05c6, 0x9062, 5)}, 1171 {QMI_FIXED_INTF(0x05c6, 0x9062, 6)}, 1172 {QMI_FIXED_INTF(0x05c6, 0x9062, 7)}, 1173 {QMI_FIXED_INTF(0x05c6, 0x9062, 8)}, 1174 {QMI_FIXED_INTF(0x05c6, 0x9062, 9)}, 1175 {QMI_FIXED_INTF(0x05c6, 0x9064, 3)}, 1176 {QMI_FIXED_INTF(0x05c6, 0x9065, 6)}, 1177 {QMI_FIXED_INTF(0x05c6, 0x9065, 7)}, 1178 {QMI_FIXED_INTF(0x05c6, 0x9066, 5)}, 1179 {QMI_FIXED_INTF(0x05c6, 0x9066, 6)}, 1180 {QMI_FIXED_INTF(0x05c6, 0x9067, 1)}, 1181 {QMI_FIXED_INTF(0x05c6, 0x9068, 2)}, 1182 {QMI_FIXED_INTF(0x05c6, 0x9068, 3)}, 1183 {QMI_FIXED_INTF(0x05c6, 0x9068, 4)}, 1184 {QMI_FIXED_INTF(0x05c6, 0x9068, 5)}, 1185 {QMI_FIXED_INTF(0x05c6, 0x9068, 6)}, 1186 {QMI_FIXED_INTF(0x05c6, 0x9068, 7)}, 1187 {QMI_FIXED_INTF(0x05c6, 0x9069, 5)}, 1188 {QMI_FIXED_INTF(0x05c6, 0x9069, 6)}, 1189 {QMI_FIXED_INTF(0x05c6, 0x9069, 7)}, 1190 {QMI_FIXED_INTF(0x05c6, 0x9069, 8)}, 1191 {QMI_FIXED_INTF(0x05c6, 0x9070, 4)}, 1192 {QMI_FIXED_INTF(0x05c6, 0x9070, 5)}, 1193 {QMI_FIXED_INTF(0x05c6, 0x9075, 5)}, 1194 {QMI_FIXED_INTF(0x05c6, 0x9076, 4)}, 1195 {QMI_FIXED_INTF(0x05c6, 0x9076, 5)}, 1196 {QMI_FIXED_INTF(0x05c6, 0x9076, 6)}, 1197 {QMI_FIXED_INTF(0x05c6, 0x9076, 7)}, 1198 {QMI_FIXED_INTF(0x05c6, 0x9076, 8)}, 1199 {QMI_FIXED_INTF(0x05c6, 0x9077, 3)}, 1200 {QMI_FIXED_INTF(0x05c6, 0x9077, 4)}, 1201 {QMI_FIXED_INTF(0x05c6, 0x9077, 5)}, 1202 {QMI_FIXED_INTF(0x05c6, 0x9077, 6)}, 1203 {QMI_FIXED_INTF(0x05c6, 0x9078, 3)}, 1204 {QMI_FIXED_INTF(0x05c6, 0x9079, 4)}, 1205 {QMI_FIXED_INTF(0x05c6, 0x9079, 5)}, 1206 {QMI_FIXED_INTF(0x05c6, 0x9079, 6)}, 1207 {QMI_FIXED_INTF(0x05c6, 0x9079, 7)}, 1208 {QMI_FIXED_INTF(0x05c6, 0x9079, 8)}, 1209 {QMI_FIXED_INTF(0x05c6, 0x9080, 5)}, 1210 {QMI_FIXED_INTF(0x05c6, 0x9080, 6)}, 1211 {QMI_FIXED_INTF(0x05c6, 0x9080, 7)}, 1212 {QMI_FIXED_INTF(0x05c6, 0x9080, 8)}, 1213 {QMI_FIXED_INTF(0x05c6, 0x9083, 3)}, 1214 {QMI_FIXED_INTF(0x05c6, 0x9084, 4)}, 1215 {QMI_QUIRK_SET_DTR(0x05c6, 0x9091, 2)}, /* Compal RXM-G1 */ 1216 {QMI_FIXED_INTF(0x05c6, 0x90b2, 3)}, /* ublox R410M */ 1217 {QMI_QUIRK_SET_DTR(0x05c6, 0x90db, 2)}, /* Compal RXM-G1 */ 1218 {QMI_FIXED_INTF(0x05c6, 0x920d, 0)}, 1219 {QMI_FIXED_INTF(0x05c6, 0x920d, 5)}, 1220 {QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)}, /* YUGA CLM920-NC5 */ 1221 {QMI_FIXED_INTF(0x0846, 0x68a2, 8)}, 1222 {QMI_FIXED_INTF(0x0846, 0x68d3, 8)}, /* Netgear Aircard 779S */ 1223 {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ 1224 {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */ 1225 {QMI_FIXED_INTF(0x1435, 0x0918, 3)}, /* Wistron NeWeb D16Q1 */ 1226 {QMI_FIXED_INTF(0x1435, 0x0918, 4)}, /* Wistron NeWeb D16Q1 */ 1227 {QMI_FIXED_INTF(0x1435, 0x0918, 5)}, /* Wistron NeWeb D16Q1 */ 1228 {QMI_FIXED_INTF(0x1435, 0x3185, 4)}, /* Wistron NeWeb M18Q5 */ 1229 {QMI_FIXED_INTF(0x1435, 0xd111, 4)}, /* M9615A DM11-1 D51QC */ 1230 {QMI_FIXED_INTF(0x1435, 0xd181, 3)}, /* Wistron NeWeb D18Q1 */ 1231 {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */ 1232 {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */ 1233 {QMI_FIXED_INTF(0x1435, 0xd182, 4)}, /* Wistron NeWeb D18 */ 1234 {QMI_FIXED_INTF(0x1435, 0xd182, 5)}, /* Wistron NeWeb D18 */ 1235 {QMI_FIXED_INTF(0x1435, 0xd191, 4)}, /* Wistron NeWeb D19Q1 */ 1236 {QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)}, /* Fibocom NL668 series */ 1237 {QMI_FIXED_INTF(0x1690, 0x7588, 4)}, /* ASKEY WWHC050 */ 1238 {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ 1239 {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */ 1240 {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */ 1241 {QMI_FIXED_INTF(0x16d8, 0x6280, 0)}, /* CMOTech CHU-628 */ 1242 {QMI_FIXED_INTF(0x16d8, 0x7001, 0)}, /* CMOTech CHU-720S */ 1243 {QMI_FIXED_INTF(0x16d8, 0x7002, 0)}, /* CMOTech 7002 */ 1244 {QMI_FIXED_INTF(0x16d8, 0x7003, 4)}, /* CMOTech CHU-629K */ 1245 {QMI_FIXED_INTF(0x16d8, 0x7004, 3)}, /* CMOTech 7004 */ 1246 {QMI_FIXED_INTF(0x16d8, 0x7006, 5)}, /* CMOTech CGU-629 */ 1247 {QMI_FIXED_INTF(0x16d8, 0x700a, 4)}, /* CMOTech CHU-629S */ 1248 {QMI_FIXED_INTF(0x16d8, 0x7211, 0)}, /* CMOTech CHU-720I */ 1249 {QMI_FIXED_INTF(0x16d8, 0x7212, 0)}, /* CMOTech 7212 */ 1250 {QMI_FIXED_INTF(0x16d8, 0x7213, 0)}, /* CMOTech 7213 */ 1251 {QMI_FIXED_INTF(0x16d8, 0x7251, 1)}, /* CMOTech 7251 */ 1252 {QMI_FIXED_INTF(0x16d8, 0x7252, 1)}, /* CMOTech 7252 */ 1253 {QMI_FIXED_INTF(0x16d8, 0x7253, 1)}, /* CMOTech 7253 */ 1254 {QMI_FIXED_INTF(0x19d2, 0x0002, 1)}, 1255 {QMI_FIXED_INTF(0x19d2, 0x0012, 1)}, 1256 {QMI_FIXED_INTF(0x19d2, 0x0017, 3)}, 1257 {QMI_FIXED_INTF(0x19d2, 0x0019, 3)}, /* ONDA MT689DC */ 1258 {QMI_FIXED_INTF(0x19d2, 0x0021, 4)}, 1259 {QMI_FIXED_INTF(0x19d2, 0x0025, 1)}, 1260 {QMI_FIXED_INTF(0x19d2, 0x0031, 4)}, 1261 {QMI_FIXED_INTF(0x19d2, 0x0042, 4)}, 1262 {QMI_FIXED_INTF(0x19d2, 0x0049, 5)}, 1263 {QMI_FIXED_INTF(0x19d2, 0x0052, 4)}, 1264 {QMI_FIXED_INTF(0x19d2, 0x0055, 1)}, /* ZTE (Vodafone) K3520-Z */ 1265 {QMI_FIXED_INTF(0x19d2, 0x0058, 4)}, 1266 {QMI_FIXED_INTF(0x19d2, 0x0063, 4)}, /* ZTE (Vodafone) K3565-Z */ 1267 {QMI_FIXED_INTF(0x19d2, 0x0104, 4)}, /* ZTE (Vodafone) K4505-Z */ 1268 {QMI_FIXED_INTF(0x19d2, 0x0113, 5)}, 1269 {QMI_FIXED_INTF(0x19d2, 0x0118, 5)}, 1270 {QMI_FIXED_INTF(0x19d2, 0x0121, 5)}, 1271 {QMI_FIXED_INTF(0x19d2, 0x0123, 4)}, 1272 {QMI_FIXED_INTF(0x19d2, 0x0124, 5)}, 1273 {QMI_FIXED_INTF(0x19d2, 0x0125, 6)}, 1274 {QMI_FIXED_INTF(0x19d2, 0x0126, 5)}, 1275 {QMI_FIXED_INTF(0x19d2, 0x0130, 1)}, 1276 {QMI_FIXED_INTF(0x19d2, 0x0133, 3)}, 1277 {QMI_FIXED_INTF(0x19d2, 0x0141, 5)}, 1278 {QMI_FIXED_INTF(0x19d2, 0x0157, 5)}, /* ZTE MF683 */ 1279 {QMI_FIXED_INTF(0x19d2, 0x0158, 3)}, 1280 {QMI_FIXED_INTF(0x19d2, 0x0167, 4)}, /* ZTE MF820D */ 1281 {QMI_FIXED_INTF(0x19d2, 0x0168, 4)}, 1282 {QMI_FIXED_INTF(0x19d2, 0x0176, 3)}, 1283 {QMI_FIXED_INTF(0x19d2, 0x0178, 3)}, 1284 {QMI_FIXED_INTF(0x19d2, 0x0189, 4)}, /* ZTE MF290 */ 1285 {QMI_FIXED_INTF(0x19d2, 0x0191, 4)}, /* ZTE EuFi890 */ 1286 {QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */ 1287 {QMI_FIXED_INTF(0x19d2, 0x0200, 1)}, 1288 {QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */ 1289 {QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */ 1290 {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */ 1291 {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */ 1292 {QMI_FIXED_INTF(0x19d2, 0x0396, 3)}, /* ZTE ZM8620 */ 1293 {QMI_FIXED_INTF(0x19d2, 0x0412, 4)}, /* Telewell TW-LTE 4G */ 1294 {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */ 1295 {QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */ 1296 {QMI_FIXED_INTF(0x19d2, 0x1012, 4)}, 1297 {QMI_FIXED_INTF(0x19d2, 0x1018, 3)}, /* ZTE (Vodafone) K5006-Z */ 1298 {QMI_FIXED_INTF(0x19d2, 0x1021, 2)}, 1299 {QMI_FIXED_INTF(0x19d2, 0x1245, 4)}, 1300 {QMI_FIXED_INTF(0x19d2, 0x1247, 4)}, 1301 {QMI_FIXED_INTF(0x19d2, 0x1252, 4)}, 1302 {QMI_FIXED_INTF(0x19d2, 0x1254, 4)}, 1303 {QMI_FIXED_INTF(0x19d2, 0x1255, 3)}, 1304 {QMI_FIXED_INTF(0x19d2, 0x1255, 4)}, 1305 {QMI_FIXED_INTF(0x19d2, 0x1256, 4)}, 1306 {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */ 1307 {QMI_FIXED_INTF(0x19d2, 0x1275, 3)}, /* ZTE P685M */ 1308 {QMI_FIXED_INTF(0x19d2, 0x1401, 2)}, 1309 {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */ 1310 {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, 1311 {QMI_FIXED_INTF(0x19d2, 0x1425, 2)}, 1312 {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */ 1313 {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */ 1314 {QMI_FIXED_INTF(0x19d2, 0x1432, 3)}, /* ZTE ME3620 */ 1315 {QMI_FIXED_INTF(0x19d2, 0x1485, 5)}, /* ZTE MF286D */ 1316 {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ 1317 {QMI_FIXED_INTF(0x2001, 0x7e16, 3)}, /* D-Link DWM-221 */ 1318 {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */ 1319 {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */ 1320 {QMI_FIXED_INTF(0x2001, 0x7e3d, 4)}, /* D-Link DWM-222 A2 */ 1321 {QMI_FIXED_INTF(0x2020, 0x2031, 4)}, /* Olicard 600 */ 1322 {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */ 1323 {QMI_QUIRK_SET_DTR(0x2020, 0x2060, 4)}, /* BroadMobi BM818 */ 1324 {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ 1325 {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ 1326 {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ 1327 {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ 1328 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354, WP76xx */ 1329 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 10)},/* Sierra Wireless MC7304/MC7354 */ 1330 {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ 1331 {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */ 1332 {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */ 1333 {QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */ 1334 {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ 1335 {QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */ 1336 {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */ 1337 {QMI_FIXED_INTF(0x1199, 0x9055, 8)}, /* Netgear AirCard 341U */ 1338 {QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */ 1339 {QMI_FIXED_INTF(0x1199, 0x9057, 8)}, 1340 {QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */ 1341 {QMI_FIXED_INTF(0x1199, 0x9063, 8)}, /* Sierra Wireless EM7305 */ 1342 {QMI_FIXED_INTF(0x1199, 0x9063, 10)}, /* Sierra Wireless EM7305 */ 1343 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 8)}, /* Sierra Wireless MC74xx */ 1344 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 10)},/* Sierra Wireless MC74xx */ 1345 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 8)}, /* Sierra Wireless EM74xx */ 1346 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 10)},/* Sierra Wireless EM74xx */ 1347 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 8)}, /* Sierra Wireless EM74xx */ 1348 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 10)},/* Sierra Wireless EM74xx */ 1349 {QMI_QUIRK_SET_DTR(0x1199, 0x9091, 8)}, /* Sierra Wireless EM7565 */ 1350 {QMI_QUIRK_SET_DTR(0x1199, 0xc081, 8)}, /* Sierra Wireless EM7590 */ 1351 {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ 1352 {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */ 1353 {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ 1354 {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ 1355 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1031, 3)}, /* Telit LE910C1-EUX */ 1356 {QMI_QUIRK_SET_DTR(0x1bc7, 0x103a, 0)}, /* Telit LE910C4-WWX */ 1357 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ 1358 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */ 1359 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1057, 2)}, /* Telit FN980 */ 1360 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1060, 2)}, /* Telit LN920 */ 1361 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1070, 2)}, /* Telit FN990 */ 1362 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1080, 2)}, /* Telit FE990 */ 1363 {QMI_QUIRK_SET_DTR(0x1bc7, 0x10a0, 0)}, /* Telit FN920C04 */ 1364 {QMI_QUIRK_SET_DTR(0x1bc7, 0x10a4, 0)}, /* Telit FN920C04 */ 1365 {QMI_QUIRK_SET_DTR(0x1bc7, 0x10a9, 0)}, /* Telit FN920C04 */ 1366 {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ 1367 {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */ 1368 {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ 1369 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */ 1370 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1230, 2)}, /* Telit LE910Cx */ 1371 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1250, 0)}, /* Telit LE910Cx */ 1372 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)}, /* Telit LE910Cx */ 1373 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)}, /* Telit LE910Cx */ 1374 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */ 1375 {QMI_QUIRK_SET_DTR(0x1bc7, 0x3000, 0)}, /* Telit FN912 series */ 1376 {QMI_QUIRK_SET_DTR(0x1bc7, 0x3001, 0)}, /* Telit FN912 series */ 1377 {QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */ 1378 {QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */ 1379 {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ 1380 {QMI_QUIRK_SET_DTR(0x1c9e, 0x9b05, 4)}, /* Longsung U8300 */ 1381 {QMI_QUIRK_SET_DTR(0x1c9e, 0x9b3c, 4)}, /* Longsung U9300 */ 1382 {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ 1383 {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ 1384 {QMI_FIXED_INTF(0x0b3c, 0xc002, 4)}, /* Olivetti Olicard 140 */ 1385 {QMI_FIXED_INTF(0x0b3c, 0xc004, 6)}, /* Olivetti Olicard 155 */ 1386 {QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */ 1387 {QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */ 1388 {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */ 1389 {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ 1390 {QMI_QUIRK_SET_DTR(0x1e2d, 0x006f, 8)}, /* Cinterion PLS83/PLS63 */ 1391 {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */ 1392 {QMI_FIXED_INTF(0x1e2d, 0x0063, 10)}, /* Cinterion ALASxx (1 RmNet) */ 1393 {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1394 {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */ 1395 {QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/ 1396 {QMI_QUIRK_SET_DTR(0x1e2d, 0x00b0, 4)}, /* Cinterion CLS8 */ 1397 {QMI_FIXED_INTF(0x1e2d, 0x00b7, 0)}, /* Cinterion MV31 RmNet */ 1398 {QMI_FIXED_INTF(0x1e2d, 0x00b9, 0)}, /* Cinterion MV31 RmNet based on new baseline */ 1399 {QMI_FIXED_INTF(0x1e2d, 0x00f3, 0)}, /* Cinterion MV32-W-A RmNet */ 1400 {QMI_FIXED_INTF(0x1e2d, 0x00f4, 0)}, /* Cinterion MV32-W-B RmNet */ 1401 {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */ 1402 {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */ 1403 {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ 1404 {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ 1405 {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ 1406 {QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ 1407 {QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ 1408 {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */ 1409 {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */ 1410 {QMI_FIXED_INTF(0x413c, 0x81c2, 8)}, /* Dell Wireless 5811e */ 1411 {QMI_FIXED_INTF(0x413c, 0x81cc, 8)}, /* Dell Wireless 5816e */ 1412 {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */ 1413 {QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */ 1414 {QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/ 1415 {QMI_FIXED_INTF(0x413c, 0x81e4, 0)}, /* Dell Wireless 5829e with eSIM support*/ 1416 {QMI_FIXED_INTF(0x413c, 0x81e6, 0)}, /* Dell Wireless 5829e */ 1417 {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ 1418 {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ 1419 {QMI_QUIRK_SET_DTR(0x22de, 0x9051, 2)}, /* Hucom Wireless HM-211S/K */ 1420 {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ 1421 {QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */ 1422 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */ 1423 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */ 1424 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0195, 4)}, /* Quectel EG95 */ 1425 {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */ 1426 {QMI_QUIRK_SET_DTR(0x2c7c, 0x030e, 4)}, /* Quectel EM05GV2 */ 1427 {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */ 1428 {QMI_FIXED_INTF(0x0489, 0xe0b4, 0)}, /* Foxconn T77W968 LTE */ 1429 {QMI_FIXED_INTF(0x0489, 0xe0b5, 0)}, /* Foxconn T77W968 LTE with eSIM support*/ 1430 {QMI_FIXED_INTF(0x2692, 0x9025, 4)}, /* Cellient MPL200 (rebranded Qualcomm 05c6:9025) */ 1431 {QMI_QUIRK_SET_DTR(0x1546, 0x1312, 4)}, /* u-blox LARA-R6 01B */ 1432 {QMI_QUIRK_SET_DTR(0x1546, 0x1342, 4)}, /* u-blox LARA-L6 */ 1433 {QMI_QUIRK_SET_DTR(0x33f8, 0x0104, 4)}, /* Rolling RW101 RMNET */ 1434 1435 /* 4. Gobi 1000 devices */ 1436 {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ 1437 {QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ 1438 {QMI_GOBI1K_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ 1439 {QMI_GOBI1K_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ 1440 {QMI_GOBI1K_DEVICE(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */ 1441 {QMI_GOBI1K_DEVICE(0x1410, 0xa002)}, /* Novatel Gobi Modem device */ 1442 {QMI_GOBI1K_DEVICE(0x1410, 0xa003)}, /* Novatel Gobi Modem device */ 1443 {QMI_GOBI1K_DEVICE(0x1410, 0xa004)}, /* Novatel Gobi Modem device */ 1444 {QMI_GOBI1K_DEVICE(0x1410, 0xa005)}, /* Novatel Gobi Modem device */ 1445 {QMI_GOBI1K_DEVICE(0x1410, 0xa006)}, /* Novatel Gobi Modem device */ 1446 {QMI_GOBI1K_DEVICE(0x1410, 0xa007)}, /* Novatel Gobi Modem device */ 1447 {QMI_GOBI1K_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */ 1448 {QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */ 1449 {QMI_GOBI1K_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */ 1450 {QMI_GOBI1K_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */ 1451 {QMI_GOBI1K_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */ 1452 {QMI_GOBI1K_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */ 1453 {QMI_GOBI1K_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */ 1454 {QMI_GOBI1K_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */ 1455 1456 /* 5. Gobi 2000 and 3000 devices */ 1457 {QMI_GOBI_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */ 1458 {QMI_GOBI_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */ 1459 {QMI_GOBI_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */ 1460 {QMI_GOBI_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */ 1461 {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */ 1462 {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */ 1463 {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */ 1464 {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */ 1465 {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */ 1466 {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */ 1467 {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */ 1468 {QMI_GOBI_DEVICE(0x0af0, 0x8120)}, /* Option GTM681W */ 1469 {QMI_GOBI_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */ 1470 {QMI_GOBI_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */ 1471 {QMI_GOBI_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1472 {QMI_GOBI_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1473 {QMI_GOBI_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1474 {QMI_GOBI_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1475 {QMI_GOBI_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1476 {QMI_GOBI_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1477 {QMI_GOBI_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1478 {QMI_GOBI_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1479 {QMI_GOBI_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1480 {QMI_GOBI_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */ 1481 {QMI_GOBI_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */ 1482 {QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ 1483 {QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ 1484 {QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ 1485 {QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ 1486 {QMI_GOBI_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ 1487 {QMI_GOBI_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ 1488 {QMI_GOBI_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ 1489 {QMI_GOBI_DEVICE(0x12d1, 0x14f1)}, /* Sony Gobi 3000 Composite */ 1490 {QMI_GOBI_DEVICE(0x1410, 0xa021)}, /* Foxconn Gobi 3000 Modem device (Novatel E396) */ 1491 1492 { } /* END */ 1493 }; 1494 MODULE_DEVICE_TABLE(usb, products); 1495 1496 static bool quectel_ec20_detected(struct usb_interface *intf) 1497 { 1498 struct usb_device *dev = interface_to_usbdev(intf); 1499 1500 if (dev->actconfig && 1501 le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 && 1502 le16_to_cpu(dev->descriptor.idProduct) == 0x9215 && 1503 dev->actconfig->desc.bNumInterfaces == 5) 1504 return true; 1505 1506 return false; 1507 } 1508 1509 static int qmi_wwan_probe(struct usb_interface *intf, 1510 const struct usb_device_id *prod) 1511 { 1512 struct usb_device_id *id = (struct usb_device_id *)prod; 1513 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc; 1514 1515 /* Workaround to enable dynamic IDs. This disables usbnet 1516 * blacklisting functionality. Which, if required, can be 1517 * reimplemented here by using a magic "blacklist" value 1518 * instead of 0 in the static device id table 1519 */ 1520 if (!id->driver_info) { 1521 dev_dbg(&intf->dev, "setting defaults for dynamic device id\n"); 1522 id->driver_info = (unsigned long)&qmi_wwan_info; 1523 } 1524 1525 /* There are devices where the same interface number can be 1526 * configured as different functions. We should only bind to 1527 * vendor specific functions when matching on interface number 1528 */ 1529 if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER && 1530 desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) { 1531 dev_dbg(&intf->dev, 1532 "Rejecting interface number match for class %02x\n", 1533 desc->bInterfaceClass); 1534 return -ENODEV; 1535 } 1536 1537 /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */ 1538 if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) { 1539 dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n"); 1540 return -ENODEV; 1541 } 1542 1543 /* Several Quectel modems supports dynamic interface configuration, so 1544 * we need to match on class/subclass/protocol. These values are 1545 * identical for the diagnostic- and QMI-interface, but bNumEndpoints is 1546 * different. Ignore the current interface if the number of endpoints 1547 * equals the number for the diag interface (two). 1548 */ 1549 if (desc->bNumEndpoints == 2) 1550 return -ENODEV; 1551 1552 return usbnet_probe(intf, id); 1553 } 1554 1555 static void qmi_wwan_disconnect(struct usb_interface *intf) 1556 { 1557 struct usbnet *dev = usb_get_intfdata(intf); 1558 struct qmi_wwan_state *info; 1559 struct list_head *iter; 1560 struct net_device *ldev; 1561 LIST_HEAD(list); 1562 1563 /* called twice if separate control and data intf */ 1564 if (!dev) 1565 return; 1566 info = (void *)&dev->data; 1567 if (info->flags & QMI_WWAN_FLAG_MUX) { 1568 if (!rtnl_trylock()) { 1569 restart_syscall(); 1570 return; 1571 } 1572 rcu_read_lock(); 1573 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter) 1574 qmimux_unregister_device(ldev, &list); 1575 rcu_read_unlock(); 1576 unregister_netdevice_many(&list); 1577 rtnl_unlock(); 1578 info->flags &= ~QMI_WWAN_FLAG_MUX; 1579 } 1580 usbnet_disconnect(intf); 1581 } 1582 1583 static struct usb_driver qmi_wwan_driver = { 1584 .name = "qmi_wwan", 1585 .id_table = products, 1586 .probe = qmi_wwan_probe, 1587 .disconnect = qmi_wwan_disconnect, 1588 .suspend = qmi_wwan_suspend, 1589 .resume = qmi_wwan_resume, 1590 .reset_resume = qmi_wwan_resume, 1591 .supports_autosuspend = 1, 1592 .disable_hub_initiated_lpm = 1, 1593 }; 1594 1595 module_usb_driver(qmi_wwan_driver); 1596 1597 MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>"); 1598 MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver"); 1599 MODULE_LICENSE("GPL"); 1600