1604 lines · c
1// SPDX-License-Identifier: GPL-2.0-only2/*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 Brownell7 * 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 vendor26 * specific management protocol called Qualcomm MSM Interface (QMI) -27 * in addition to the more common AT commands over serial interface28 * management29 *30 * QMI is wrapped in CDC, using CDC encapsulated commands on the31 * control ("master") interface of a two-interface CDC Union32 * resembling standard CDC ECM. The devices do not use the control33 * interface for any other CDC messages. Most likely because the34 * management protocol is used in place of the standard CDC35 * notifications NOTIFY_NETWORK_CONNECTION and NOTIFY_SPEED_CHANGE36 *37 * Alternatively, control and data functions can be combined in a38 * 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 as42 * a subdriver, enabling userspace applications ("modem managers") to43 * handle it.44 *45 * These devices may alternatively/additionally be configured using AT46 * commands on a serial interface47 */48 49/* driver specific data */50struct 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 58enum 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 64enum qmi_wwan_quirks {65 QMI_WWAN_QUIRK_DTR = 1 << 0, /* needs "set DTR" request */66};67 68struct qmimux_hdr {69 u8 pad;70 u8 mux_id;71 __be16 pkt_len;72};73 74struct qmimux_priv {75 struct net_device *real_dev;76 u8 mux_id;77};78 79static 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 92static int qmimux_stop(struct net_device *dev)93{94 netif_carrier_off(dev);95 return 0;96}97 98static 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 else115 dev->stats.tx_dropped++;116 117 return ret;118}119 120static 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 126static 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 139static 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 157static bool qmimux_has_slaves(struct usbnet *dev)158{159 return !list_empty(&dev->net->adj_list.upper);160}161 162static 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 kfree_skb(skbn);205 goto skip;206 }207 208 skb_reserve(skbn, LL_MAX_HEADER);209 skb_put_data(skbn, skb->data + offset + qmimux_hdr_sz, pkt_len);210 if (netif_rx(skbn) != NET_RX_SUCCESS) {211 net->stats.rx_errors++;212 return 0;213 } else {214 dev_sw_netstats_rx_add(net, pkt_len);215 }216 217skip:218 offset += len + qmimux_hdr_sz;219 }220 return 1;221}222 223static ssize_t mux_id_show(struct device *d, struct device_attribute *attr, char *buf)224{225 struct net_device *dev = to_net_dev(d);226 struct qmimux_priv *priv;227 228 priv = netdev_priv(dev);229 230 return sysfs_emit(buf, "0x%02x\n", priv->mux_id);231}232 233static DEVICE_ATTR_RO(mux_id);234 235static struct attribute *qmi_wwan_sysfs_qmimux_attrs[] = {236 &dev_attr_mux_id.attr,237 NULL,238};239 240static struct attribute_group qmi_wwan_sysfs_qmimux_attr_group = {241 .name = "qmap",242 .attrs = qmi_wwan_sysfs_qmimux_attrs,243};244 245static int qmimux_register_device(struct net_device *real_dev, u8 mux_id)246{247 struct net_device *new_dev;248 struct qmimux_priv *priv;249 int err;250 251 new_dev = alloc_netdev(sizeof(struct qmimux_priv),252 "qmimux%d", NET_NAME_UNKNOWN, qmimux_setup);253 if (!new_dev)254 return -ENOBUFS;255 256 dev_net_set(new_dev, dev_net(real_dev));257 priv = netdev_priv(new_dev);258 priv->mux_id = mux_id;259 priv->real_dev = real_dev;260 261 new_dev->sysfs_groups[0] = &qmi_wwan_sysfs_qmimux_attr_group;262 263 err = register_netdevice(new_dev);264 if (err < 0)265 goto out_free_newdev;266 267 /* Account for reference in struct qmimux_priv_priv */268 dev_hold(real_dev);269 270 err = netdev_upper_dev_link(real_dev, new_dev, NULL);271 if (err)272 goto out_unregister_netdev;273 274 netif_stacked_transfer_operstate(real_dev, new_dev);275 276 return 0;277 278out_unregister_netdev:279 unregister_netdevice(new_dev);280 dev_put(real_dev);281 282out_free_newdev:283 free_netdev(new_dev);284 return err;285}286 287static void qmimux_unregister_device(struct net_device *dev,288 struct list_head *head)289{290 struct qmimux_priv *priv = netdev_priv(dev);291 struct net_device *real_dev = priv->real_dev;292 293 netdev_upper_dev_unlink(real_dev, dev);294 unregister_netdevice_queue(dev, head);295 296 /* Get rid of the reference to real_dev */297 dev_put(real_dev);298}299 300static void qmi_wwan_netdev_setup(struct net_device *net)301{302 struct usbnet *dev = netdev_priv(net);303 struct qmi_wwan_state *info = (void *)&dev->data;304 305 if (info->flags & QMI_WWAN_FLAG_RAWIP) {306 net->header_ops = NULL; /* No header */307 net->type = ARPHRD_NONE;308 net->hard_header_len = 0;309 net->addr_len = 0;310 net->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST;311 set_bit(EVENT_NO_IP_ALIGN, &dev->flags);312 netdev_dbg(net, "mode: raw IP\n");313 } else if (!net->header_ops) { /* don't bother if already set */314 ether_setup(net);315 /* Restoring min/max mtu values set originally by usbnet */316 net->min_mtu = 0;317 net->max_mtu = ETH_MAX_MTU;318 clear_bit(EVENT_NO_IP_ALIGN, &dev->flags);319 netdev_dbg(net, "mode: Ethernet\n");320 }321 322 /* recalculate buffers after changing hard_header_len */323 usbnet_change_mtu(net, net->mtu);324}325 326static ssize_t raw_ip_show(struct device *d, struct device_attribute *attr, char *buf)327{328 struct usbnet *dev = netdev_priv(to_net_dev(d));329 struct qmi_wwan_state *info = (void *)&dev->data;330 331 return sprintf(buf, "%c\n", info->flags & QMI_WWAN_FLAG_RAWIP ? 'Y' : 'N');332}333 334static ssize_t raw_ip_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len)335{336 struct usbnet *dev = netdev_priv(to_net_dev(d));337 struct qmi_wwan_state *info = (void *)&dev->data;338 bool enable;339 int ret;340 341 if (kstrtobool(buf, &enable))342 return -EINVAL;343 344 /* no change? */345 if (enable == (info->flags & QMI_WWAN_FLAG_RAWIP))346 return len;347 348 /* ip mode cannot be cleared when pass through mode is set */349 if (!enable && (info->flags & QMI_WWAN_FLAG_PASS_THROUGH)) {350 netdev_err(dev->net,351 "Cannot clear ip mode on pass through device\n");352 return -EINVAL;353 }354 355 if (!rtnl_trylock())356 return restart_syscall();357 358 /* we don't want to modify a running netdev */359 if (netif_running(dev->net)) {360 netdev_err(dev->net, "Cannot change a running device\n");361 ret = -EBUSY;362 goto err;363 }364 365 /* let other drivers deny the change */366 ret = call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE, dev->net);367 ret = notifier_to_errno(ret);368 if (ret) {369 netdev_err(dev->net, "Type change was refused\n");370 goto err;371 }372 373 if (enable)374 info->flags |= QMI_WWAN_FLAG_RAWIP;375 else376 info->flags &= ~QMI_WWAN_FLAG_RAWIP;377 qmi_wwan_netdev_setup(dev->net);378 call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev->net);379 ret = len;380err:381 rtnl_unlock();382 return ret;383}384 385static ssize_t add_mux_show(struct device *d, struct device_attribute *attr, char *buf)386{387 struct net_device *dev = to_net_dev(d);388 struct qmimux_priv *priv;389 struct list_head *iter;390 struct net_device *ldev;391 ssize_t count = 0;392 393 rcu_read_lock();394 netdev_for_each_upper_dev_rcu(dev, ldev, iter) {395 priv = netdev_priv(ldev);396 count += scnprintf(&buf[count], PAGE_SIZE - count,397 "0x%02x\n", priv->mux_id);398 }399 rcu_read_unlock();400 return count;401}402 403static ssize_t add_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len)404{405 struct usbnet *dev = netdev_priv(to_net_dev(d));406 struct qmi_wwan_state *info = (void *)&dev->data;407 u8 mux_id;408 int ret;409 410 if (kstrtou8(buf, 0, &mux_id))411 return -EINVAL;412 413 /* mux_id [1 - 254] for compatibility with ip(8) and the rmnet driver */414 if (mux_id < 1 || mux_id > 254)415 return -EINVAL;416 417 if (!rtnl_trylock())418 return restart_syscall();419 420 if (qmimux_find_dev(dev, mux_id)) {421 netdev_err(dev->net, "mux_id already present\n");422 ret = -EINVAL;423 goto err;424 }425 426 ret = qmimux_register_device(dev->net, mux_id);427 if (!ret) {428 info->flags |= QMI_WWAN_FLAG_MUX;429 ret = len;430 }431err:432 rtnl_unlock();433 return ret;434}435 436static ssize_t del_mux_show(struct device *d, struct device_attribute *attr, char *buf)437{438 return add_mux_show(d, attr, buf);439}440 441static ssize_t del_mux_store(struct device *d, struct device_attribute *attr, const char *buf, size_t len)442{443 struct usbnet *dev = netdev_priv(to_net_dev(d));444 struct qmi_wwan_state *info = (void *)&dev->data;445 struct net_device *del_dev;446 u8 mux_id;447 int ret = 0;448 449 if (kstrtou8(buf, 0, &mux_id))450 return -EINVAL;451 452 if (!rtnl_trylock())453 return restart_syscall();454 455 del_dev = qmimux_find_dev(dev, mux_id);456 if (!del_dev) {457 netdev_err(dev->net, "mux_id not present\n");458 ret = -EINVAL;459 goto err;460 }461 qmimux_unregister_device(del_dev, NULL);462 463 if (!qmimux_has_slaves(dev))464 info->flags &= ~QMI_WWAN_FLAG_MUX;465 ret = len;466err:467 rtnl_unlock();468 return ret;469}470 471static ssize_t pass_through_show(struct device *d,472 struct device_attribute *attr, char *buf)473{474 struct usbnet *dev = netdev_priv(to_net_dev(d));475 struct qmi_wwan_state *info;476 477 info = (void *)&dev->data;478 return sprintf(buf, "%c\n",479 info->flags & QMI_WWAN_FLAG_PASS_THROUGH ? 'Y' : 'N');480}481 482static ssize_t pass_through_store(struct device *d,483 struct device_attribute *attr,484 const char *buf, size_t len)485{486 struct usbnet *dev = netdev_priv(to_net_dev(d));487 struct qmi_wwan_state *info;488 bool enable;489 490 if (kstrtobool(buf, &enable))491 return -EINVAL;492 493 info = (void *)&dev->data;494 495 /* no change? */496 if (enable == (info->flags & QMI_WWAN_FLAG_PASS_THROUGH))497 return len;498 499 /* pass through mode can be set for raw ip devices only */500 if (!(info->flags & QMI_WWAN_FLAG_RAWIP)) {501 netdev_err(dev->net,502 "Cannot set pass through mode on non ip device\n");503 return -EINVAL;504 }505 506 if (enable)507 info->flags |= QMI_WWAN_FLAG_PASS_THROUGH;508 else509 info->flags &= ~QMI_WWAN_FLAG_PASS_THROUGH;510 511 return len;512}513 514static DEVICE_ATTR_RW(raw_ip);515static DEVICE_ATTR_RW(add_mux);516static DEVICE_ATTR_RW(del_mux);517static DEVICE_ATTR_RW(pass_through);518 519static struct attribute *qmi_wwan_sysfs_attrs[] = {520 &dev_attr_raw_ip.attr,521 &dev_attr_add_mux.attr,522 &dev_attr_del_mux.attr,523 &dev_attr_pass_through.attr,524 NULL,525};526 527static struct attribute_group qmi_wwan_sysfs_attr_group = {528 .name = "qmi",529 .attrs = qmi_wwan_sysfs_attrs,530};531 532/* default ethernet address used by the modem */533static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3};534 535static const u8 buggy_fw_addr[ETH_ALEN] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00};536 537/* Make up an ethernet header if the packet doesn't have one.538 *539 * A firmware bug common among several devices cause them to send raw540 * IP packets under some circumstances. There is no way for the541 * driver/host to know when this will happen. And even when the bug542 * hits, some packets will still arrive with an intact header.543 *544 * The supported devices are only capably of sending IPv4, IPv6 and545 * ARP packets on a point-to-point link. Any packet with an ethernet546 * header will have either our address or a broadcast/multicast547 * address as destination. ARP packets will always have a header.548 *549 * This means that this function will reliably add the appropriate550 * header iff necessary, provided our hardware address does not start551 * with 4 or 6.552 *553 * Another common firmware bug results in all packets being addressed554 * to 00:a0:c6:00:00:00 despite the host address being different.555 * This function will also fixup such packets.556 */557static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb)558{559 struct qmi_wwan_state *info = (void *)&dev->data;560 bool rawip = info->flags & QMI_WWAN_FLAG_RAWIP;561 __be16 proto;562 563 /* This check is no longer done by usbnet */564 if (skb->len < dev->net->hard_header_len)565 return 0;566 567 if (info->flags & QMI_WWAN_FLAG_MUX)568 return qmimux_rx_fixup(dev, skb);569 570 if (info->flags & QMI_WWAN_FLAG_PASS_THROUGH) {571 skb->protocol = htons(ETH_P_MAP);572 return 1;573 }574 575 switch (skb->data[0] & 0xf0) {576 case 0x40:577 proto = htons(ETH_P_IP);578 break;579 case 0x60:580 proto = htons(ETH_P_IPV6);581 break;582 case 0x00:583 if (rawip)584 return 0;585 if (is_multicast_ether_addr(skb->data))586 return 1;587 /* possibly bogus destination - rewrite just in case */588 skb_reset_mac_header(skb);589 goto fix_dest;590 default:591 if (rawip)592 return 0;593 /* pass along other packets without modifications */594 return 1;595 }596 if (rawip) {597 skb_reset_mac_header(skb);598 skb->dev = dev->net; /* normally set by eth_type_trans */599 skb->protocol = proto;600 return 1;601 }602 603 if (skb_headroom(skb) < ETH_HLEN)604 return 0;605 skb_push(skb, ETH_HLEN);606 skb_reset_mac_header(skb);607 eth_hdr(skb)->h_proto = proto;608 eth_zero_addr(eth_hdr(skb)->h_source);609fix_dest:610 memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN);611 return 1;612}613 614/* very simplistic detection of IPv4 or IPv6 headers */615static bool possibly_iphdr(const char *data)616{617 return (data[0] & 0xd0) == 0x40;618}619 620/* disallow addresses which may be confused with IP headers */621static int qmi_wwan_mac_addr(struct net_device *dev, void *p)622{623 int ret;624 struct sockaddr *addr = p;625 626 ret = eth_prepare_mac_addr_change(dev, p);627 if (ret < 0)628 return ret;629 if (possibly_iphdr(addr->sa_data))630 return -EADDRNOTAVAIL;631 eth_commit_mac_addr_change(dev, p);632 return 0;633}634 635static const struct net_device_ops qmi_wwan_netdev_ops = {636 .ndo_open = usbnet_open,637 .ndo_stop = usbnet_stop,638 .ndo_start_xmit = usbnet_start_xmit,639 .ndo_tx_timeout = usbnet_tx_timeout,640 .ndo_change_mtu = usbnet_change_mtu,641 .ndo_set_mac_address = qmi_wwan_mac_addr,642 .ndo_validate_addr = eth_validate_addr,643};644 645/* using a counter to merge subdriver requests with our own into a646 * combined state647 */648static int qmi_wwan_manage_power(struct usbnet *dev, int on)649{650 struct qmi_wwan_state *info = (void *)&dev->data;651 int rv;652 653 dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__,654 atomic_read(&info->pmcount), on);655 656 if ((on && atomic_add_return(1, &info->pmcount) == 1) ||657 (!on && atomic_dec_and_test(&info->pmcount))) {658 /* need autopm_get/put here to ensure the usbcore sees659 * the new value660 */661 rv = usb_autopm_get_interface(dev->intf);662 dev->intf->needs_remote_wakeup = on;663 if (!rv)664 usb_autopm_put_interface(dev->intf);665 }666 return 0;667}668 669static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on)670{671 struct usbnet *dev = usb_get_intfdata(intf);672 673 /* can be called while disconnecting */674 if (!dev)675 return 0;676 return qmi_wwan_manage_power(dev, on);677}678 679/* collect all three endpoints and register subdriver */680static int qmi_wwan_register_subdriver(struct usbnet *dev)681{682 int rv;683 struct usb_driver *subdriver = NULL;684 struct qmi_wwan_state *info = (void *)&dev->data;685 686 /* collect bulk endpoints */687 rv = usbnet_get_endpoints(dev, info->data);688 if (rv < 0)689 goto err;690 691 /* update status endpoint if separate control interface */692 if (info->control != info->data)693 dev->status = &info->control->cur_altsetting->endpoint[0];694 695 /* require interrupt endpoint for subdriver */696 if (!dev->status) {697 rv = -EINVAL;698 goto err;699 }700 701 /* for subdriver power management */702 atomic_set(&info->pmcount, 0);703 704 /* register subdriver */705 subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc,706 4096, WWAN_PORT_QMI,707 &qmi_wwan_cdc_wdm_manage_power);708 if (IS_ERR(subdriver)) {709 dev_err(&info->control->dev, "subdriver registration failed\n");710 rv = PTR_ERR(subdriver);711 goto err;712 }713 714 /* prevent usbnet from using status endpoint */715 dev->status = NULL;716 717 /* save subdriver struct for suspend/resume wrappers */718 info->subdriver = subdriver;719 720err:721 return rv;722}723 724/* Send CDC SetControlLineState request, setting or clearing the DTR.725 * "Required for Autoconnect and 9x30 to wake up" according to the726 * GobiNet driver. The requirement has been verified on an MDM9230727 * based Sierra Wireless MC7455728 */729static int qmi_wwan_change_dtr(struct usbnet *dev, bool on)730{731 u8 intf = dev->intf->cur_altsetting->desc.bInterfaceNumber;732 733 return usbnet_write_cmd(dev, USB_CDC_REQ_SET_CONTROL_LINE_STATE,734 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,735 on ? 0x01 : 0x00, intf, NULL, 0);736}737 738static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf)739{740 int status;741 u8 *buf = intf->cur_altsetting->extra;742 int len = intf->cur_altsetting->extralen;743 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;744 struct usb_cdc_union_desc *cdc_union;745 struct usb_cdc_ether_desc *cdc_ether;746 struct usb_driver *driver = driver_of(intf);747 struct qmi_wwan_state *info = (void *)&dev->data;748 struct usb_cdc_parsed_header hdr;749 750 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) <751 sizeof(struct qmi_wwan_state)));752 753 /* set up initial state */754 info->control = intf;755 info->data = intf;756 757 /* and a number of CDC descriptors */758 cdc_parse_cdc_header(&hdr, intf, buf, len);759 cdc_union = hdr.usb_cdc_union_desc;760 cdc_ether = hdr.usb_cdc_ether_desc;761 762 /* Use separate control and data interfaces if we found a CDC Union */763 if (cdc_union) {764 info->data = usb_ifnum_to_if(dev->udev,765 cdc_union->bSlaveInterface0);766 if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 ||767 !info->data) {768 dev_err(&intf->dev,769 "bogus CDC Union: master=%u, slave=%u\n",770 cdc_union->bMasterInterface0,771 cdc_union->bSlaveInterface0);772 773 /* ignore and continue... */774 cdc_union = NULL;775 info->data = intf;776 }777 }778 779 /* errors aren't fatal - we can live with the dynamic address */780 if (cdc_ether && cdc_ether->wMaxSegmentSize) {781 dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize);782 usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress);783 }784 785 /* claim data interface and set it up */786 if (info->control != info->data) {787 status = usb_driver_claim_interface(driver, info->data, dev);788 if (status < 0)789 goto err;790 }791 792 status = qmi_wwan_register_subdriver(dev);793 if (status < 0 && info->control != info->data) {794 usb_set_intfdata(info->data, NULL);795 usb_driver_release_interface(driver, info->data);796 }797 798 /* disabling remote wakeup on MDM9x30 devices has the same799 * effect as clearing DTR. The device will not respond to QMI800 * requests until we set DTR again. This is similar to a801 * QMI_CTL SYNC request, clearing a lot of firmware state802 * including the client ID allocations.803 *804 * Our usage model allows a session to span multiple805 * open/close events, so we must prevent the firmware from806 * clearing out state the clients might need.807 *808 * MDM9x30 is the first QMI chipset with USB3 support. Abuse809 * this fact to enable the quirk for all USB3 devices.810 *811 * There are also chipsets with the same "set DTR" requirement812 * but without USB3 support. Devices based on these chips813 * need a quirk flag in the device ID table.814 */815 if (dev->driver_info->data & QMI_WWAN_QUIRK_DTR ||816 le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) {817 qmi_wwan_manage_power(dev, 1);818 qmi_wwan_change_dtr(dev, true);819 }820 821 /* Never use the same address on both ends of the link, even if the822 * buggy firmware told us to. Or, if device is assigned the well-known823 * buggy firmware MAC address, replace it with a random address,824 */825 if (ether_addr_equal(dev->net->dev_addr, default_modem_addr) ||826 ether_addr_equal(dev->net->dev_addr, buggy_fw_addr))827 eth_hw_addr_random(dev->net);828 829 /* make MAC addr easily distinguishable from an IP header */830 if (possibly_iphdr(dev->net->dev_addr)) {831 u8 addr = dev->net->dev_addr[0];832 833 addr |= 0x02; /* set local assignment bit */834 addr &= 0xbf; /* clear "IP" bit */835 dev_addr_mod(dev->net, 0, &addr, 1);836 }837 dev->net->netdev_ops = &qmi_wwan_netdev_ops;838 dev->net->sysfs_groups[0] = &qmi_wwan_sysfs_attr_group;839err:840 return status;841}842 843static void qmi_wwan_unbind(struct usbnet *dev, struct usb_interface *intf)844{845 struct qmi_wwan_state *info = (void *)&dev->data;846 struct usb_driver *driver = driver_of(intf);847 struct usb_interface *other;848 849 if (info->subdriver && info->subdriver->disconnect)850 info->subdriver->disconnect(info->control);851 852 /* disable MDM9x30 quirk */853 if (le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) {854 qmi_wwan_change_dtr(dev, false);855 qmi_wwan_manage_power(dev, 0);856 }857 858 /* allow user to unbind using either control or data */859 if (intf == info->control)860 other = info->data;861 else862 other = info->control;863 864 /* only if not shared */865 if (other && intf != other) {866 usb_set_intfdata(other, NULL);867 usb_driver_release_interface(driver, other);868 }869 870 info->subdriver = NULL;871 info->data = NULL;872 info->control = NULL;873}874 875/* suspend/resume wrappers calling both usbnet and the cdc-wdm876 * subdriver if present.877 *878 * NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide879 * wrappers for those without adding usbnet reset support first.880 */881static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message)882{883 struct usbnet *dev = usb_get_intfdata(intf);884 struct qmi_wwan_state *info = (void *)&dev->data;885 int ret;886 887 /* Both usbnet_suspend() and subdriver->suspend() MUST return 0888 * in system sleep context, otherwise, the resume callback has889 * to recover device from previous suspend failure.890 */891 ret = usbnet_suspend(intf, message);892 if (ret < 0)893 goto err;894 895 if (intf == info->control && info->subdriver &&896 info->subdriver->suspend)897 ret = info->subdriver->suspend(intf, message);898 if (ret < 0)899 usbnet_resume(intf);900err:901 return ret;902}903 904static int qmi_wwan_resume(struct usb_interface *intf)905{906 struct usbnet *dev = usb_get_intfdata(intf);907 struct qmi_wwan_state *info = (void *)&dev->data;908 int ret = 0;909 bool callsub = (intf == info->control && info->subdriver &&910 info->subdriver->resume);911 912 if (callsub)913 ret = info->subdriver->resume(intf);914 if (ret < 0)915 goto err;916 ret = usbnet_resume(intf);917 if (ret < 0 && callsub)918 info->subdriver->suspend(intf, PMSG_SUSPEND);919err:920 return ret;921}922 923static const struct driver_info qmi_wwan_info = {924 .description = "WWAN/QMI device",925 .flags = FLAG_WWAN | FLAG_SEND_ZLP,926 .bind = qmi_wwan_bind,927 .unbind = qmi_wwan_unbind,928 .manage_power = qmi_wwan_manage_power,929 .rx_fixup = qmi_wwan_rx_fixup,930};931 932static const struct driver_info qmi_wwan_info_quirk_dtr = {933 .description = "WWAN/QMI device",934 .flags = FLAG_WWAN | FLAG_SEND_ZLP,935 .bind = qmi_wwan_bind,936 .unbind = qmi_wwan_unbind,937 .manage_power = qmi_wwan_manage_power,938 .rx_fixup = qmi_wwan_rx_fixup,939 .data = QMI_WWAN_QUIRK_DTR,940};941 942#define HUAWEI_VENDOR_ID 0x12D1943 944/* map QMI/wwan function by a fixed interface number */945#define QMI_FIXED_INTF(vend, prod, num) \946 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \947 .driver_info = (unsigned long)&qmi_wwan_info948 949/* devices requiring "set DTR" quirk */950#define QMI_QUIRK_SET_DTR(vend, prod, num) \951 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \952 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr953 954/* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */955#define QMI_GOBI1K_DEVICE(vend, prod) \956 QMI_FIXED_INTF(vend, prod, 3)957 958/* Gobi 2000/3000 QMI/wwan interface number is 0 according to qcserial */959#define QMI_GOBI_DEVICE(vend, prod) \960 QMI_FIXED_INTF(vend, prod, 0)961 962/* Many devices have QMI and DIAG functions which are distinguishable963 * from other vendor specific functions by class, subclass and964 * protocol all being 0xff. The DIAG function has exactly 2 endpoints965 * and is silently rejected when probed.966 *967 * This makes it possible to match dynamically numbered QMI functions968 * as seen on e.g. many Quectel modems.969 */970#define QMI_MATCH_FF_FF_FF(vend, prod) \971 USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_VENDOR_SPEC, \972 USB_SUBCLASS_VENDOR_SPEC, 0xff), \973 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr974 975static const struct usb_device_id products[] = {976 /* 1. CDC ECM like devices match on the control interface */977 { /* Huawei E392, E398 and possibly others sharing both device id and more... */978 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 9),979 .driver_info = (unsigned long)&qmi_wwan_info,980 },981 { /* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */982 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 57),983 .driver_info = (unsigned long)&qmi_wwan_info,984 },985 { /* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */986 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69),987 .driver_info = (unsigned long)&qmi_wwan_info,988 },989 { /* Motorola Mapphone devices with MDM6600 */990 USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC, 0xfb, 0xff),991 .driver_info = (unsigned long)&qmi_wwan_info,992 },993 994 /* 2. Combined interface devices matching on class+protocol */995 { /* Huawei E367 and possibly others in "Windows mode" */996 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7),997 .driver_info = (unsigned long)&qmi_wwan_info,998 },999 { /* Huawei E392, E398 and possibly others in "Windows mode" */1000 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17),1001 .driver_info = (unsigned long)&qmi_wwan_info,1002 },1003 { /* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */1004 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x37),1005 .driver_info = (unsigned long)&qmi_wwan_info,1006 },1007 { /* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */1008 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x67),1009 .driver_info = (unsigned long)&qmi_wwan_info,1010 },1011 { /* Pantech UML290, P4200 and more */1012 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff),1013 .driver_info = (unsigned long)&qmi_wwan_info,1014 },1015 { /* Pantech UML290 - newer firmware */1016 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff),1017 .driver_info = (unsigned long)&qmi_wwan_info,1018 },1019 { /* Novatel USB551L and MC551 */1020 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001,1021 USB_CLASS_COMM,1022 USB_CDC_SUBCLASS_ETHERNET,1023 USB_CDC_PROTO_NONE),1024 .driver_info = (unsigned long)&qmi_wwan_info,1025 },1026 { /* Novatel E362 */1027 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010,1028 USB_CLASS_COMM,1029 USB_CDC_SUBCLASS_ETHERNET,1030 USB_CDC_PROTO_NONE),1031 .driver_info = (unsigned long)&qmi_wwan_info,1032 },1033 { /* Novatel Expedite E371 */1034 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9011,1035 USB_CLASS_COMM,1036 USB_CDC_SUBCLASS_ETHERNET,1037 USB_CDC_PROTO_NONE),1038 .driver_info = (unsigned long)&qmi_wwan_info,1039 },1040 { /* Dell Wireless 5800 (Novatel E362) */1041 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195,1042 USB_CLASS_COMM,1043 USB_CDC_SUBCLASS_ETHERNET,1044 USB_CDC_PROTO_NONE),1045 .driver_info = (unsigned long)&qmi_wwan_info,1046 },1047 { /* Dell Wireless 5800 V2 (Novatel E362) */1048 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196,1049 USB_CLASS_COMM,1050 USB_CDC_SUBCLASS_ETHERNET,1051 USB_CDC_PROTO_NONE),1052 .driver_info = (unsigned long)&qmi_wwan_info,1053 },1054 { /* Dell Wireless 5804 (Novatel E371) */1055 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b,1056 USB_CLASS_COMM,1057 USB_CDC_SUBCLASS_ETHERNET,1058 USB_CDC_PROTO_NONE),1059 .driver_info = (unsigned long)&qmi_wwan_info,1060 },1061 { /* ADU960S */1062 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a,1063 USB_CLASS_COMM,1064 USB_CDC_SUBCLASS_ETHERNET,1065 USB_CDC_PROTO_NONE),1066 .driver_info = (unsigned long)&qmi_wwan_info,1067 },1068 { /* HP lt2523 (Novatel E371) */1069 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d,1070 USB_CLASS_COMM,1071 USB_CDC_SUBCLASS_ETHERNET,1072 USB_CDC_PROTO_NONE),1073 .driver_info = (unsigned long)&qmi_wwan_info,1074 },1075 { /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */1076 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC, 1, 7),1077 .driver_info = (unsigned long)&qmi_wwan_info,1078 },1079 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0122)}, /* Quectel RG650V */1080 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */1081 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */1082 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */1083 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0620)}, /* Quectel EM160R-GL */1084 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0800)}, /* Quectel RM500Q-GL */1085 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0801)}, /* Quectel RM520N */1086 1087 /* 3. Combined interface devices matching on interface number */1088 {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */1089 {QMI_FIXED_INTF(0x05c6, 0x6001, 3)}, /* 4G LTE usb-modem U901 */1090 {QMI_FIXED_INTF(0x05c6, 0x7000, 0)},1091 {QMI_FIXED_INTF(0x05c6, 0x7001, 1)},1092 {QMI_FIXED_INTF(0x05c6, 0x7002, 1)},1093 {QMI_FIXED_INTF(0x05c6, 0x7101, 1)},1094 {QMI_FIXED_INTF(0x05c6, 0x7101, 2)},1095 {QMI_FIXED_INTF(0x05c6, 0x7101, 3)},1096 {QMI_FIXED_INTF(0x05c6, 0x7102, 1)},1097 {QMI_FIXED_INTF(0x05c6, 0x7102, 2)},1098 {QMI_FIXED_INTF(0x05c6, 0x7102, 3)},1099 {QMI_FIXED_INTF(0x05c6, 0x8000, 7)},1100 {QMI_FIXED_INTF(0x05c6, 0x8001, 6)},1101 {QMI_FIXED_INTF(0x05c6, 0x9000, 4)},1102 {QMI_FIXED_INTF(0x05c6, 0x9003, 4)},1103 {QMI_FIXED_INTF(0x05c6, 0x9005, 2)},1104 {QMI_FIXED_INTF(0x05c6, 0x900a, 4)},1105 {QMI_FIXED_INTF(0x05c6, 0x900b, 2)},1106 {QMI_FIXED_INTF(0x05c6, 0x900c, 4)},1107 {QMI_FIXED_INTF(0x05c6, 0x900c, 5)},1108 {QMI_FIXED_INTF(0x05c6, 0x900c, 6)},1109 {QMI_FIXED_INTF(0x05c6, 0x900d, 5)},1110 {QMI_FIXED_INTF(0x05c6, 0x900f, 3)},1111 {QMI_FIXED_INTF(0x05c6, 0x900f, 4)},1112 {QMI_FIXED_INTF(0x05c6, 0x900f, 5)},1113 {QMI_FIXED_INTF(0x05c6, 0x9010, 4)},1114 {QMI_FIXED_INTF(0x05c6, 0x9010, 5)},1115 {QMI_FIXED_INTF(0x05c6, 0x9011, 3)},1116 {QMI_FIXED_INTF(0x05c6, 0x9011, 4)},1117 {QMI_FIXED_INTF(0x05c6, 0x9021, 1)},1118 {QMI_FIXED_INTF(0x05c6, 0x9022, 2)},1119 {QMI_QUIRK_SET_DTR(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD LTE (China Mobile) */1120 {QMI_FIXED_INTF(0x05c6, 0x9026, 3)},1121 {QMI_FIXED_INTF(0x05c6, 0x902e, 5)},1122 {QMI_FIXED_INTF(0x05c6, 0x9031, 5)},1123 {QMI_FIXED_INTF(0x05c6, 0x9032, 4)},1124 {QMI_FIXED_INTF(0x05c6, 0x9033, 3)},1125 {QMI_FIXED_INTF(0x05c6, 0x9033, 4)},1126 {QMI_FIXED_INTF(0x05c6, 0x9033, 5)},1127 {QMI_FIXED_INTF(0x05c6, 0x9033, 6)},1128 {QMI_FIXED_INTF(0x05c6, 0x9034, 3)},1129 {QMI_FIXED_INTF(0x05c6, 0x9034, 4)},1130 {QMI_FIXED_INTF(0x05c6, 0x9034, 5)},1131 {QMI_FIXED_INTF(0x05c6, 0x9034, 6)},1132 {QMI_FIXED_INTF(0x05c6, 0x9034, 7)},1133 {QMI_FIXED_INTF(0x05c6, 0x9035, 4)},1134 {QMI_FIXED_INTF(0x05c6, 0x9036, 3)},1135 {QMI_FIXED_INTF(0x05c6, 0x9037, 5)},1136 {QMI_FIXED_INTF(0x05c6, 0x9038, 4)},1137 {QMI_FIXED_INTF(0x05c6, 0x903b, 7)},1138 {QMI_FIXED_INTF(0x05c6, 0x903c, 6)},1139 {QMI_FIXED_INTF(0x05c6, 0x903d, 6)},1140 {QMI_FIXED_INTF(0x05c6, 0x903e, 5)},1141 {QMI_FIXED_INTF(0x05c6, 0x9043, 3)},1142 {QMI_FIXED_INTF(0x05c6, 0x9046, 3)},1143 {QMI_FIXED_INTF(0x05c6, 0x9046, 4)},1144 {QMI_FIXED_INTF(0x05c6, 0x9046, 5)},1145 {QMI_FIXED_INTF(0x05c6, 0x9047, 2)},1146 {QMI_FIXED_INTF(0x05c6, 0x9047, 3)},1147 {QMI_FIXED_INTF(0x05c6, 0x9047, 4)},1148 {QMI_FIXED_INTF(0x05c6, 0x9048, 4)},1149 {QMI_FIXED_INTF(0x05c6, 0x9048, 5)},1150 {QMI_FIXED_INTF(0x05c6, 0x9048, 6)},1151 {QMI_FIXED_INTF(0x05c6, 0x9048, 7)},1152 {QMI_FIXED_INTF(0x05c6, 0x9048, 8)},1153 {QMI_FIXED_INTF(0x05c6, 0x904c, 5)},1154 {QMI_FIXED_INTF(0x05c6, 0x904c, 6)},1155 {QMI_FIXED_INTF(0x05c6, 0x904c, 7)},1156 {QMI_FIXED_INTF(0x05c6, 0x904c, 8)},1157 {QMI_FIXED_INTF(0x05c6, 0x9050, 3)},1158 {QMI_FIXED_INTF(0x05c6, 0x9052, 4)},1159 {QMI_FIXED_INTF(0x05c6, 0x9053, 6)},1160 {QMI_FIXED_INTF(0x05c6, 0x9053, 7)},1161 {QMI_FIXED_INTF(0x05c6, 0x9054, 5)},1162 {QMI_FIXED_INTF(0x05c6, 0x9054, 6)},1163 {QMI_FIXED_INTF(0x05c6, 0x9055, 3)},1164 {QMI_FIXED_INTF(0x05c6, 0x9055, 4)},1165 {QMI_FIXED_INTF(0x05c6, 0x9055, 5)},1166 {QMI_FIXED_INTF(0x05c6, 0x9055, 6)},1167 {QMI_FIXED_INTF(0x05c6, 0x9055, 7)},1168 {QMI_FIXED_INTF(0x05c6, 0x9056, 3)},1169 {QMI_FIXED_INTF(0x05c6, 0x9062, 2)},1170 {QMI_FIXED_INTF(0x05c6, 0x9062, 3)},1171 {QMI_FIXED_INTF(0x05c6, 0x9062, 4)},1172 {QMI_FIXED_INTF(0x05c6, 0x9062, 5)},1173 {QMI_FIXED_INTF(0x05c6, 0x9062, 6)},1174 {QMI_FIXED_INTF(0x05c6, 0x9062, 7)},1175 {QMI_FIXED_INTF(0x05c6, 0x9062, 8)},1176 {QMI_FIXED_INTF(0x05c6, 0x9062, 9)},1177 {QMI_FIXED_INTF(0x05c6, 0x9064, 3)},1178 {QMI_FIXED_INTF(0x05c6, 0x9065, 6)},1179 {QMI_FIXED_INTF(0x05c6, 0x9065, 7)},1180 {QMI_FIXED_INTF(0x05c6, 0x9066, 5)},1181 {QMI_FIXED_INTF(0x05c6, 0x9066, 6)},1182 {QMI_FIXED_INTF(0x05c6, 0x9067, 1)},1183 {QMI_FIXED_INTF(0x05c6, 0x9068, 2)},1184 {QMI_FIXED_INTF(0x05c6, 0x9068, 3)},1185 {QMI_FIXED_INTF(0x05c6, 0x9068, 4)},1186 {QMI_FIXED_INTF(0x05c6, 0x9068, 5)},1187 {QMI_FIXED_INTF(0x05c6, 0x9068, 6)},1188 {QMI_FIXED_INTF(0x05c6, 0x9068, 7)},1189 {QMI_FIXED_INTF(0x05c6, 0x9069, 5)},1190 {QMI_FIXED_INTF(0x05c6, 0x9069, 6)},1191 {QMI_FIXED_INTF(0x05c6, 0x9069, 7)},1192 {QMI_FIXED_INTF(0x05c6, 0x9069, 8)},1193 {QMI_FIXED_INTF(0x05c6, 0x9070, 4)},1194 {QMI_FIXED_INTF(0x05c6, 0x9070, 5)},1195 {QMI_FIXED_INTF(0x05c6, 0x9075, 5)},1196 {QMI_FIXED_INTF(0x05c6, 0x9076, 4)},1197 {QMI_FIXED_INTF(0x05c6, 0x9076, 5)},1198 {QMI_FIXED_INTF(0x05c6, 0x9076, 6)},1199 {QMI_FIXED_INTF(0x05c6, 0x9076, 7)},1200 {QMI_FIXED_INTF(0x05c6, 0x9076, 8)},1201 {QMI_FIXED_INTF(0x05c6, 0x9077, 3)},1202 {QMI_FIXED_INTF(0x05c6, 0x9077, 4)},1203 {QMI_FIXED_INTF(0x05c6, 0x9077, 5)},1204 {QMI_FIXED_INTF(0x05c6, 0x9077, 6)},1205 {QMI_FIXED_INTF(0x05c6, 0x9078, 3)},1206 {QMI_FIXED_INTF(0x05c6, 0x9079, 4)},1207 {QMI_FIXED_INTF(0x05c6, 0x9079, 5)},1208 {QMI_FIXED_INTF(0x05c6, 0x9079, 6)},1209 {QMI_FIXED_INTF(0x05c6, 0x9079, 7)},1210 {QMI_FIXED_INTF(0x05c6, 0x9079, 8)},1211 {QMI_FIXED_INTF(0x05c6, 0x9080, 5)},1212 {QMI_FIXED_INTF(0x05c6, 0x9080, 6)},1213 {QMI_FIXED_INTF(0x05c6, 0x9080, 7)},1214 {QMI_FIXED_INTF(0x05c6, 0x9080, 8)},1215 {QMI_FIXED_INTF(0x05c6, 0x9083, 3)},1216 {QMI_FIXED_INTF(0x05c6, 0x9084, 4)},1217 {QMI_QUIRK_SET_DTR(0x05c6, 0x9091, 2)}, /* Compal RXM-G1 */1218 {QMI_FIXED_INTF(0x05c6, 0x90b2, 3)}, /* ublox R410M */1219 {QMI_QUIRK_SET_DTR(0x05c6, 0x90db, 2)}, /* Compal RXM-G1 */1220 {QMI_FIXED_INTF(0x05c6, 0x920d, 0)},1221 {QMI_FIXED_INTF(0x05c6, 0x920d, 5)},1222 {QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)}, /* YUGA CLM920-NC5 */1223 {QMI_FIXED_INTF(0x0846, 0x68a2, 8)},1224 {QMI_FIXED_INTF(0x0846, 0x68d3, 8)}, /* Netgear Aircard 779S */1225 {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */1226 {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */1227 {QMI_FIXED_INTF(0x1435, 0x0918, 3)}, /* Wistron NeWeb D16Q1 */1228 {QMI_FIXED_INTF(0x1435, 0x0918, 4)}, /* Wistron NeWeb D16Q1 */1229 {QMI_FIXED_INTF(0x1435, 0x0918, 5)}, /* Wistron NeWeb D16Q1 */1230 {QMI_FIXED_INTF(0x1435, 0x3185, 4)}, /* Wistron NeWeb M18Q5 */1231 {QMI_FIXED_INTF(0x1435, 0xd111, 4)}, /* M9615A DM11-1 D51QC */1232 {QMI_FIXED_INTF(0x1435, 0xd181, 3)}, /* Wistron NeWeb D18Q1 */1233 {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */1234 {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */1235 {QMI_FIXED_INTF(0x1435, 0xd182, 4)}, /* Wistron NeWeb D18 */1236 {QMI_FIXED_INTF(0x1435, 0xd182, 5)}, /* Wistron NeWeb D18 */1237 {QMI_FIXED_INTF(0x1435, 0xd191, 4)}, /* Wistron NeWeb D19Q1 */1238 {QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)}, /* Fibocom NL668 series */1239 {QMI_FIXED_INTF(0x1690, 0x7588, 4)}, /* ASKEY WWHC050 */1240 {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */1241 {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */1242 {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */1243 {QMI_FIXED_INTF(0x16d8, 0x6280, 0)}, /* CMOTech CHU-628 */1244 {QMI_FIXED_INTF(0x16d8, 0x7001, 0)}, /* CMOTech CHU-720S */1245 {QMI_FIXED_INTF(0x16d8, 0x7002, 0)}, /* CMOTech 7002 */1246 {QMI_FIXED_INTF(0x16d8, 0x7003, 4)}, /* CMOTech CHU-629K */1247 {QMI_FIXED_INTF(0x16d8, 0x7004, 3)}, /* CMOTech 7004 */1248 {QMI_FIXED_INTF(0x16d8, 0x7006, 5)}, /* CMOTech CGU-629 */1249 {QMI_FIXED_INTF(0x16d8, 0x700a, 4)}, /* CMOTech CHU-629S */1250 {QMI_FIXED_INTF(0x16d8, 0x7211, 0)}, /* CMOTech CHU-720I */1251 {QMI_FIXED_INTF(0x16d8, 0x7212, 0)}, /* CMOTech 7212 */1252 {QMI_FIXED_INTF(0x16d8, 0x7213, 0)}, /* CMOTech 7213 */1253 {QMI_FIXED_INTF(0x16d8, 0x7251, 1)}, /* CMOTech 7251 */1254 {QMI_FIXED_INTF(0x16d8, 0x7252, 1)}, /* CMOTech 7252 */1255 {QMI_FIXED_INTF(0x16d8, 0x7253, 1)}, /* CMOTech 7253 */1256 {QMI_FIXED_INTF(0x19d2, 0x0002, 1)},1257 {QMI_FIXED_INTF(0x19d2, 0x0012, 1)},1258 {QMI_FIXED_INTF(0x19d2, 0x0017, 3)},1259 {QMI_FIXED_INTF(0x19d2, 0x0019, 3)}, /* ONDA MT689DC */1260 {QMI_FIXED_INTF(0x19d2, 0x0021, 4)},1261 {QMI_FIXED_INTF(0x19d2, 0x0025, 1)},1262 {QMI_FIXED_INTF(0x19d2, 0x0031, 4)},1263 {QMI_FIXED_INTF(0x19d2, 0x0042, 4)},1264 {QMI_FIXED_INTF(0x19d2, 0x0049, 5)},1265 {QMI_FIXED_INTF(0x19d2, 0x0052, 4)},1266 {QMI_FIXED_INTF(0x19d2, 0x0055, 1)}, /* ZTE (Vodafone) K3520-Z */1267 {QMI_FIXED_INTF(0x19d2, 0x0058, 4)},1268 {QMI_FIXED_INTF(0x19d2, 0x0063, 4)}, /* ZTE (Vodafone) K3565-Z */1269 {QMI_FIXED_INTF(0x19d2, 0x0104, 4)}, /* ZTE (Vodafone) K4505-Z */1270 {QMI_FIXED_INTF(0x19d2, 0x0113, 5)},1271 {QMI_FIXED_INTF(0x19d2, 0x0118, 5)},1272 {QMI_FIXED_INTF(0x19d2, 0x0121, 5)},1273 {QMI_FIXED_INTF(0x19d2, 0x0123, 4)},1274 {QMI_FIXED_INTF(0x19d2, 0x0124, 5)},1275 {QMI_FIXED_INTF(0x19d2, 0x0125, 6)},1276 {QMI_FIXED_INTF(0x19d2, 0x0126, 5)},1277 {QMI_FIXED_INTF(0x19d2, 0x0130, 1)},1278 {QMI_FIXED_INTF(0x19d2, 0x0133, 3)},1279 {QMI_FIXED_INTF(0x19d2, 0x0141, 5)},1280 {QMI_FIXED_INTF(0x19d2, 0x0157, 5)}, /* ZTE MF683 */1281 {QMI_FIXED_INTF(0x19d2, 0x0158, 3)},1282 {QMI_FIXED_INTF(0x19d2, 0x0167, 4)}, /* ZTE MF820D */1283 {QMI_FIXED_INTF(0x19d2, 0x0168, 4)},1284 {QMI_FIXED_INTF(0x19d2, 0x0176, 3)},1285 {QMI_FIXED_INTF(0x19d2, 0x0178, 3)},1286 {QMI_FIXED_INTF(0x19d2, 0x0189, 4)}, /* ZTE MF290 */1287 {QMI_FIXED_INTF(0x19d2, 0x0191, 4)}, /* ZTE EuFi890 */1288 {QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */1289 {QMI_FIXED_INTF(0x19d2, 0x0200, 1)},1290 {QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */1291 {QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */1292 {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */1293 {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */1294 {QMI_FIXED_INTF(0x19d2, 0x0396, 3)}, /* ZTE ZM8620 */1295 {QMI_FIXED_INTF(0x19d2, 0x0412, 4)}, /* Telewell TW-LTE 4G */1296 {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */1297 {QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */1298 {QMI_FIXED_INTF(0x19d2, 0x1012, 4)},1299 {QMI_FIXED_INTF(0x19d2, 0x1018, 3)}, /* ZTE (Vodafone) K5006-Z */1300 {QMI_FIXED_INTF(0x19d2, 0x1021, 2)},1301 {QMI_FIXED_INTF(0x19d2, 0x1245, 4)},1302 {QMI_FIXED_INTF(0x19d2, 0x1247, 4)},1303 {QMI_FIXED_INTF(0x19d2, 0x1252, 4)},1304 {QMI_FIXED_INTF(0x19d2, 0x1254, 4)},1305 {QMI_FIXED_INTF(0x19d2, 0x1255, 3)},1306 {QMI_FIXED_INTF(0x19d2, 0x1255, 4)},1307 {QMI_FIXED_INTF(0x19d2, 0x1256, 4)},1308 {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */1309 {QMI_FIXED_INTF(0x19d2, 0x1275, 3)}, /* ZTE P685M */1310 {QMI_FIXED_INTF(0x19d2, 0x1401, 2)},1311 {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */1312 {QMI_FIXED_INTF(0x19d2, 0x1424, 2)},1313 {QMI_FIXED_INTF(0x19d2, 0x1425, 2)},1314 {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */1315 {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */1316 {QMI_FIXED_INTF(0x19d2, 0x1432, 3)}, /* ZTE ME3620 */1317 {QMI_FIXED_INTF(0x19d2, 0x1485, 5)}, /* ZTE MF286D */1318 {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */1319 {QMI_FIXED_INTF(0x2001, 0x7e16, 3)}, /* D-Link DWM-221 */1320 {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */1321 {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */1322 {QMI_FIXED_INTF(0x2001, 0x7e3d, 4)}, /* D-Link DWM-222 A2 */1323 {QMI_FIXED_INTF(0x2020, 0x2031, 4)}, /* Olicard 600 */1324 {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */1325 {QMI_QUIRK_SET_DTR(0x2020, 0x2060, 4)}, /* BroadMobi BM818 */1326 {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */1327 {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */1328 {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */1329 {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */1330 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354, WP76xx */1331 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 10)},/* Sierra Wireless MC7304/MC7354 */1332 {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */1333 {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */1334 {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */1335 {QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */1336 {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */1337 {QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */1338 {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */1339 {QMI_FIXED_INTF(0x1199, 0x9055, 8)}, /* Netgear AirCard 341U */1340 {QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */1341 {QMI_FIXED_INTF(0x1199, 0x9057, 8)},1342 {QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */1343 {QMI_FIXED_INTF(0x1199, 0x9063, 8)}, /* Sierra Wireless EM7305 */1344 {QMI_FIXED_INTF(0x1199, 0x9063, 10)}, /* Sierra Wireless EM7305 */1345 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 8)}, /* Sierra Wireless MC74xx */1346 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 10)},/* Sierra Wireless MC74xx */1347 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 8)}, /* Sierra Wireless EM74xx */1348 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 10)},/* Sierra Wireless EM74xx */1349 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 8)}, /* Sierra Wireless EM74xx */1350 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 10)},/* Sierra Wireless EM74xx */1351 {QMI_QUIRK_SET_DTR(0x1199, 0x9091, 8)}, /* Sierra Wireless EM7565 */1352 {QMI_QUIRK_SET_DTR(0x1199, 0xc081, 8)}, /* Sierra Wireless EM7590 */1353 {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */1354 {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */1355 {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */1356 {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */1357 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1031, 3)}, /* Telit LE910C1-EUX */1358 {QMI_QUIRK_SET_DTR(0x1bc7, 0x103a, 0)}, /* Telit LE910C4-WWX */1359 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */1360 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */1361 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1057, 2)}, /* Telit FN980 */1362 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1060, 2)}, /* Telit LN920 */1363 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1070, 2)}, /* Telit FN990 */1364 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1080, 2)}, /* Telit FE990 */1365 {QMI_QUIRK_SET_DTR(0x1bc7, 0x10a0, 0)}, /* Telit FN920C04 */1366 {QMI_QUIRK_SET_DTR(0x1bc7, 0x10a4, 0)}, /* Telit FN920C04 */1367 {QMI_QUIRK_SET_DTR(0x1bc7, 0x10a9, 0)}, /* Telit FN920C04 */1368 {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */1369 {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */1370 {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */1371 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */1372 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1230, 2)}, /* Telit LE910Cx */1373 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1250, 0)}, /* Telit LE910Cx */1374 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)}, /* Telit LE910Cx */1375 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)}, /* Telit LE910Cx */1376 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */1377 {QMI_QUIRK_SET_DTR(0x1bc7, 0x3000, 0)}, /* Telit FN912 series */1378 {QMI_QUIRK_SET_DTR(0x1bc7, 0x3001, 0)}, /* Telit FN912 series */1379 {QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */1380 {QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */1381 {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */1382 {QMI_QUIRK_SET_DTR(0x1c9e, 0x9b05, 4)}, /* Longsung U8300 */1383 {QMI_QUIRK_SET_DTR(0x1c9e, 0x9b3c, 4)}, /* Longsung U9300 */1384 {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */1385 {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */1386 {QMI_FIXED_INTF(0x0b3c, 0xc002, 4)}, /* Olivetti Olicard 140 */1387 {QMI_FIXED_INTF(0x0b3c, 0xc004, 6)}, /* Olivetti Olicard 155 */1388 {QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */1389 {QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */1390 {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */1391 {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */1392 {QMI_QUIRK_SET_DTR(0x1e2d, 0x006f, 8)}, /* Cinterion PLS83/PLS63 */1393 {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */1394 {QMI_FIXED_INTF(0x1e2d, 0x0063, 10)}, /* Cinterion ALASxx (1 RmNet) */1395 {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */1396 {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */1397 {QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/1398 {QMI_QUIRK_SET_DTR(0x1e2d, 0x00b0, 4)}, /* Cinterion CLS8 */1399 {QMI_FIXED_INTF(0x1e2d, 0x00b7, 0)}, /* Cinterion MV31 RmNet */1400 {QMI_FIXED_INTF(0x1e2d, 0x00b9, 0)}, /* Cinterion MV31 RmNet based on new baseline */1401 {QMI_FIXED_INTF(0x1e2d, 0x00f3, 0)}, /* Cinterion MV32-W-A RmNet */1402 {QMI_FIXED_INTF(0x1e2d, 0x00f4, 0)}, /* Cinterion MV32-W-B RmNet */1403 {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */1404 {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */1405 {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */1406 {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */1407 {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */1408 {QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */1409 {QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */1410 {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */1411 {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */1412 {QMI_FIXED_INTF(0x413c, 0x81c2, 8)}, /* Dell Wireless 5811e */1413 {QMI_FIXED_INTF(0x413c, 0x81cc, 8)}, /* Dell Wireless 5816e */1414 {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */1415 {QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */1416 {QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/1417 {QMI_FIXED_INTF(0x413c, 0x81e4, 0)}, /* Dell Wireless 5829e with eSIM support*/1418 {QMI_FIXED_INTF(0x413c, 0x81e6, 0)}, /* Dell Wireless 5829e */1419 {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */1420 {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */1421 {QMI_QUIRK_SET_DTR(0x22de, 0x9051, 2)}, /* Hucom Wireless HM-211S/K */1422 {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */1423 {QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */1424 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */1425 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */1426 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0195, 4)}, /* Quectel EG95 */1427 {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */1428 {QMI_QUIRK_SET_DTR(0x2c7c, 0x030e, 4)}, /* Quectel EM05GV2 */1429 {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */1430 {QMI_QUIRK_SET_DTR(0x2cb7, 0x0112, 0)}, /* Fibocom FG132 */1431 {QMI_FIXED_INTF(0x0489, 0xe0b4, 0)}, /* Foxconn T77W968 LTE */1432 {QMI_FIXED_INTF(0x0489, 0xe0b5, 0)}, /* Foxconn T77W968 LTE with eSIM support*/1433 {QMI_FIXED_INTF(0x2692, 0x9025, 4)}, /* Cellient MPL200 (rebranded Qualcomm 05c6:9025) */1434 {QMI_QUIRK_SET_DTR(0x1546, 0x1312, 4)}, /* u-blox LARA-R6 01B */1435 {QMI_QUIRK_SET_DTR(0x1546, 0x1342, 4)}, /* u-blox LARA-L6 */1436 {QMI_QUIRK_SET_DTR(0x33f8, 0x0104, 4)}, /* Rolling RW101 RMNET */1437 {QMI_FIXED_INTF(0x2dee, 0x4d22, 5)}, /* MeiG Smart SRM825L */1438 1439 /* 4. Gobi 1000 devices */1440 {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */1441 {QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */1442 {QMI_GOBI1K_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */1443 {QMI_GOBI1K_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */1444 {QMI_GOBI1K_DEVICE(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */1445 {QMI_GOBI1K_DEVICE(0x1410, 0xa002)}, /* Novatel Gobi Modem device */1446 {QMI_GOBI1K_DEVICE(0x1410, 0xa003)}, /* Novatel Gobi Modem device */1447 {QMI_GOBI1K_DEVICE(0x1410, 0xa004)}, /* Novatel Gobi Modem device */1448 {QMI_GOBI1K_DEVICE(0x1410, 0xa005)}, /* Novatel Gobi Modem device */1449 {QMI_GOBI1K_DEVICE(0x1410, 0xa006)}, /* Novatel Gobi Modem device */1450 {QMI_GOBI1K_DEVICE(0x1410, 0xa007)}, /* Novatel Gobi Modem device */1451 {QMI_GOBI1K_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */1452 {QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */1453 {QMI_GOBI1K_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */1454 {QMI_GOBI1K_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */1455 {QMI_GOBI1K_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */1456 {QMI_GOBI1K_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */1457 {QMI_GOBI1K_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */1458 {QMI_GOBI1K_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */1459 1460 /* 5. Gobi 2000 and 3000 devices */1461 {QMI_GOBI_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */1462 {QMI_GOBI_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */1463 {QMI_GOBI_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */1464 {QMI_GOBI_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */1465 {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */1466 {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */1467 {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */1468 {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */1469 {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */1470 {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */1471 {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */1472 {QMI_GOBI_DEVICE(0x0af0, 0x8120)}, /* Option GTM681W */1473 {QMI_GOBI_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */1474 {QMI_GOBI_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */1475 {QMI_GOBI_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */1476 {QMI_GOBI_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */1477 {QMI_GOBI_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */1478 {QMI_GOBI_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */1479 {QMI_GOBI_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */1480 {QMI_GOBI_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */1481 {QMI_GOBI_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */1482 {QMI_GOBI_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */1483 {QMI_GOBI_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */1484 {QMI_GOBI_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */1485 {QMI_GOBI_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */1486 {QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */1487 {QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */1488 {QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */1489 {QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */1490 {QMI_GOBI_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */1491 {QMI_GOBI_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */1492 {QMI_GOBI_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */1493 {QMI_GOBI_DEVICE(0x12d1, 0x14f1)}, /* Sony Gobi 3000 Composite */1494 {QMI_GOBI_DEVICE(0x1410, 0xa021)}, /* Foxconn Gobi 3000 Modem device (Novatel E396) */1495 1496 { } /* END */1497};1498MODULE_DEVICE_TABLE(usb, products);1499 1500static bool quectel_ec20_detected(struct usb_interface *intf)1501{1502 struct usb_device *dev = interface_to_usbdev(intf);1503 1504 if (dev->actconfig &&1505 le16_to_cpu(dev->descriptor.idVendor) == 0x05c6 &&1506 le16_to_cpu(dev->descriptor.idProduct) == 0x9215 &&1507 dev->actconfig->desc.bNumInterfaces == 5)1508 return true;1509 1510 return false;1511}1512 1513static int qmi_wwan_probe(struct usb_interface *intf,1514 const struct usb_device_id *prod)1515{1516 struct usb_device_id *id = (struct usb_device_id *)prod;1517 struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;1518 1519 /* Workaround to enable dynamic IDs. This disables usbnet1520 * blacklisting functionality. Which, if required, can be1521 * reimplemented here by using a magic "blacklist" value1522 * instead of 0 in the static device id table1523 */1524 if (!id->driver_info) {1525 dev_dbg(&intf->dev, "setting defaults for dynamic device id\n");1526 id->driver_info = (unsigned long)&qmi_wwan_info;1527 }1528 1529 /* There are devices where the same interface number can be1530 * configured as different functions. We should only bind to1531 * vendor specific functions when matching on interface number1532 */1533 if (id->match_flags & USB_DEVICE_ID_MATCH_INT_NUMBER &&1534 desc->bInterfaceClass != USB_CLASS_VENDOR_SPEC) {1535 dev_dbg(&intf->dev,1536 "Rejecting interface number match for class %02x\n",1537 desc->bInterfaceClass);1538 return -ENODEV;1539 }1540 1541 /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */1542 if (quectel_ec20_detected(intf) && desc->bInterfaceNumber == 0) {1543 dev_dbg(&intf->dev, "Quectel EC20 quirk, skipping interface 0\n");1544 return -ENODEV;1545 }1546 1547 /* Several Quectel modems supports dynamic interface configuration, so1548 * we need to match on class/subclass/protocol. These values are1549 * identical for the diagnostic- and QMI-interface, but bNumEndpoints is1550 * different. Ignore the current interface if the number of endpoints1551 * equals the number for the diag interface (two).1552 */1553 if (desc->bNumEndpoints == 2)1554 return -ENODEV;1555 1556 return usbnet_probe(intf, id);1557}1558 1559static void qmi_wwan_disconnect(struct usb_interface *intf)1560{1561 struct usbnet *dev = usb_get_intfdata(intf);1562 struct qmi_wwan_state *info;1563 struct list_head *iter;1564 struct net_device *ldev;1565 LIST_HEAD(list);1566 1567 /* called twice if separate control and data intf */1568 if (!dev)1569 return;1570 info = (void *)&dev->data;1571 if (info->flags & QMI_WWAN_FLAG_MUX) {1572 if (!rtnl_trylock()) {1573 restart_syscall();1574 return;1575 }1576 rcu_read_lock();1577 netdev_for_each_upper_dev_rcu(dev->net, ldev, iter)1578 qmimux_unregister_device(ldev, &list);1579 rcu_read_unlock();1580 unregister_netdevice_many(&list);1581 rtnl_unlock();1582 info->flags &= ~QMI_WWAN_FLAG_MUX;1583 }1584 usbnet_disconnect(intf);1585}1586 1587static struct usb_driver qmi_wwan_driver = {1588 .name = "qmi_wwan",1589 .id_table = products,1590 .probe = qmi_wwan_probe,1591 .disconnect = qmi_wwan_disconnect,1592 .suspend = qmi_wwan_suspend,1593 .resume = qmi_wwan_resume,1594 .reset_resume = qmi_wwan_resume,1595 .supports_autosuspend = 1,1596 .disable_hub_initiated_lpm = 1,1597};1598 1599module_usb_driver(qmi_wwan_driver);1600 1601MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>");1602MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver");1603MODULE_LICENSE("GPL");1604