1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2012 Bjørn Mork <bjorn@mork.no>
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)
10 #include <linux/module.h>
11 #include <linux/sched/signal.h>
12 #include <linux/netdevice.h>
13 #include <linux/ethtool.h>
14 #include <linux/etherdevice.h>
15 #include <linux/if_arp.h>
16 #include <linux/mii.h>
17 #include <linux/rtnetlink.h>
18 #include <linux/usb.h>
19 #include <linux/usb/cdc.h>
20 #include <linux/usb/usbnet.h>
21 #include <linux/usb/cdc-wdm.h>
22 #include <linux/u64_stats_sync.h>
24 /* This driver supports wwan (3G/LTE/?) devices using a vendor
25 * specific management protocol called Qualcomm MSM Interface (QMI) -
26 * in addition to the more common AT commands over serial interface
29 * QMI is wrapped in CDC, using CDC encapsulated commands on the
30 * control ("master") interface of a two-interface CDC Union
31 * resembling standard CDC ECM. The devices do not use the control
32 * interface for any other CDC messages. Most likely because the
33 * management protocol is used in place of the standard CDC
34 * notifications NOTIFY_NETWORK_CONNECTION and NOTIFY_SPEED_CHANGE
36 * Alternatively, control and data functions can be combined in a
37 * single USB interface.
39 * Handling a protocol like QMI is out of the scope for any driver.
40 * It is exported as a character device using the cdc-wdm driver as
41 * a subdriver, enabling userspace applications ("modem managers") to
44 * These devices may alternatively/additionally be configured using AT
45 * commands on a serial interface
48 /* driver specific data */
49 struct qmi_wwan_state
{
50 struct usb_driver
*subdriver
;
53 struct usb_interface
*control
;
54 struct usb_interface
*data
;
58 QMI_WWAN_FLAG_RAWIP
= 1 << 0,
59 QMI_WWAN_FLAG_MUX
= 1 << 1,
62 enum qmi_wwan_quirks
{
63 QMI_WWAN_QUIRK_DTR
= 1 << 0, /* needs "set DTR" request */
73 struct net_device
*real_dev
;
75 struct pcpu_sw_netstats __percpu
*stats64
;
78 static int qmimux_open(struct net_device
*dev
)
80 struct qmimux_priv
*priv
= netdev_priv(dev
);
81 struct net_device
*real_dev
= priv
->real_dev
;
83 if (!(priv
->real_dev
->flags
& IFF_UP
))
86 if (netif_carrier_ok(real_dev
))
87 netif_carrier_on(dev
);
91 static int qmimux_stop(struct net_device
*dev
)
93 netif_carrier_off(dev
);
97 static netdev_tx_t
qmimux_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
)
99 struct qmimux_priv
*priv
= netdev_priv(dev
);
100 unsigned int len
= skb
->len
;
101 struct qmimux_hdr
*hdr
;
104 hdr
= skb_push(skb
, sizeof(struct qmimux_hdr
));
106 hdr
->mux_id
= priv
->mux_id
;
107 hdr
->pkt_len
= cpu_to_be16(len
);
108 skb
->dev
= priv
->real_dev
;
109 ret
= dev_queue_xmit(skb
);
111 if (likely(ret
== NET_XMIT_SUCCESS
|| ret
== NET_XMIT_CN
)) {
112 struct pcpu_sw_netstats
*stats64
= this_cpu_ptr(priv
->stats64
);
114 u64_stats_update_begin(&stats64
->syncp
);
115 stats64
->tx_packets
++;
116 stats64
->tx_bytes
+= len
;
117 u64_stats_update_end(&stats64
->syncp
);
119 dev
->stats
.tx_dropped
++;
125 static void qmimux_get_stats64(struct net_device
*net
,
126 struct rtnl_link_stats64
*stats
)
128 struct qmimux_priv
*priv
= netdev_priv(net
);
132 netdev_stats_to_stats64(stats
, &net
->stats
);
134 for_each_possible_cpu(cpu
) {
135 struct pcpu_sw_netstats
*stats64
;
136 u64 rx_packets
, rx_bytes
;
137 u64 tx_packets
, tx_bytes
;
139 stats64
= per_cpu_ptr(priv
->stats64
, cpu
);
142 start
= u64_stats_fetch_begin_irq(&stats64
->syncp
);
143 rx_packets
= stats64
->rx_packets
;
144 rx_bytes
= stats64
->rx_bytes
;
145 tx_packets
= stats64
->tx_packets
;
146 tx_bytes
= stats64
->tx_bytes
;
147 } while (u64_stats_fetch_retry_irq(&stats64
->syncp
, start
));
149 stats
->rx_packets
+= rx_packets
;
150 stats
->rx_bytes
+= rx_bytes
;
151 stats
->tx_packets
+= tx_packets
;
152 stats
->tx_bytes
+= tx_bytes
;
156 static const struct net_device_ops qmimux_netdev_ops
= {
157 .ndo_open
= qmimux_open
,
158 .ndo_stop
= qmimux_stop
,
159 .ndo_start_xmit
= qmimux_start_xmit
,
160 .ndo_get_stats64
= qmimux_get_stats64
,
163 static void qmimux_setup(struct net_device
*dev
)
165 dev
->header_ops
= NULL
; /* No header */
166 dev
->type
= ARPHRD_NONE
;
167 dev
->hard_header_len
= 0;
169 dev
->flags
= IFF_POINTOPOINT
| IFF_NOARP
| IFF_MULTICAST
;
170 dev
->netdev_ops
= &qmimux_netdev_ops
;
172 dev
->needs_free_netdev
= true;
175 static struct net_device
*qmimux_find_dev(struct usbnet
*dev
, u8 mux_id
)
177 struct qmimux_priv
*priv
;
178 struct list_head
*iter
;
179 struct net_device
*ldev
;
182 netdev_for_each_upper_dev_rcu(dev
->net
, ldev
, iter
) {
183 priv
= netdev_priv(ldev
);
184 if (priv
->mux_id
== mux_id
) {
193 static bool qmimux_has_slaves(struct usbnet
*dev
)
195 return !list_empty(&dev
->net
->adj_list
.upper
);
198 static int qmimux_rx_fixup(struct usbnet
*dev
, struct sk_buff
*skb
)
200 unsigned int len
, offset
= 0, pad_len
, pkt_len
;
201 struct qmimux_hdr
*hdr
;
202 struct net_device
*net
;
203 struct sk_buff
*skbn
;
204 u8 qmimux_hdr_sz
= sizeof(*hdr
);
206 while (offset
+ qmimux_hdr_sz
< skb
->len
) {
207 hdr
= (struct qmimux_hdr
*)(skb
->data
+ offset
);
208 len
= be16_to_cpu(hdr
->pkt_len
);
210 /* drop the packet, bogus length */
211 if (offset
+ len
+ qmimux_hdr_sz
> skb
->len
)
214 /* control packet, we do not know what to do */
218 /* extract padding length and check for valid length info */
219 pad_len
= hdr
->pad
& 0x3f;
220 if (len
== 0 || pad_len
>= len
)
222 pkt_len
= len
- pad_len
;
224 net
= qmimux_find_dev(dev
, hdr
->mux_id
);
227 skbn
= netdev_alloc_skb(net
, pkt_len
);
232 switch (skb
->data
[offset
+ qmimux_hdr_sz
] & 0xf0) {
234 skbn
->protocol
= htons(ETH_P_IP
);
237 skbn
->protocol
= htons(ETH_P_IPV6
);
240 /* not ip - do not know what to do */
244 skb_put_data(skbn
, skb
->data
+ offset
+ qmimux_hdr_sz
, pkt_len
);
245 if (netif_rx(skbn
) != NET_RX_SUCCESS
) {
246 net
->stats
.rx_errors
++;
249 struct pcpu_sw_netstats
*stats64
;
250 struct qmimux_priv
*priv
= netdev_priv(net
);
252 stats64
= this_cpu_ptr(priv
->stats64
);
253 u64_stats_update_begin(&stats64
->syncp
);
254 stats64
->rx_packets
++;
255 stats64
->rx_bytes
+= pkt_len
;
256 u64_stats_update_end(&stats64
->syncp
);
260 offset
+= len
+ qmimux_hdr_sz
;
265 static int qmimux_register_device(struct net_device
*real_dev
, u8 mux_id
)
267 struct net_device
*new_dev
;
268 struct qmimux_priv
*priv
;
271 new_dev
= alloc_netdev(sizeof(struct qmimux_priv
),
272 "qmimux%d", NET_NAME_UNKNOWN
, qmimux_setup
);
276 dev_net_set(new_dev
, dev_net(real_dev
));
277 priv
= netdev_priv(new_dev
);
278 priv
->mux_id
= mux_id
;
279 priv
->real_dev
= real_dev
;
281 priv
->stats64
= netdev_alloc_pcpu_stats(struct pcpu_sw_netstats
);
282 if (!priv
->stats64
) {
284 goto out_free_newdev
;
287 err
= register_netdevice(new_dev
);
289 goto out_free_newdev
;
291 /* Account for reference in struct qmimux_priv_priv */
294 err
= netdev_upper_dev_link(real_dev
, new_dev
, NULL
);
296 goto out_unregister_netdev
;
298 netif_stacked_transfer_operstate(real_dev
, new_dev
);
302 out_unregister_netdev
:
303 unregister_netdevice(new_dev
);
307 free_netdev(new_dev
);
311 static void qmimux_unregister_device(struct net_device
*dev
,
312 struct list_head
*head
)
314 struct qmimux_priv
*priv
= netdev_priv(dev
);
315 struct net_device
*real_dev
= priv
->real_dev
;
317 free_percpu(priv
->stats64
);
318 netdev_upper_dev_unlink(real_dev
, dev
);
319 unregister_netdevice_queue(dev
, head
);
321 /* Get rid of the reference to real_dev */
325 static void qmi_wwan_netdev_setup(struct net_device
*net
)
327 struct usbnet
*dev
= netdev_priv(net
);
328 struct qmi_wwan_state
*info
= (void *)&dev
->data
;
330 if (info
->flags
& QMI_WWAN_FLAG_RAWIP
) {
331 net
->header_ops
= NULL
; /* No header */
332 net
->type
= ARPHRD_NONE
;
333 net
->hard_header_len
= 0;
335 net
->flags
= IFF_POINTOPOINT
| IFF_NOARP
| IFF_MULTICAST
;
336 set_bit(EVENT_NO_IP_ALIGN
, &dev
->flags
);
337 netdev_dbg(net
, "mode: raw IP\n");
338 } else if (!net
->header_ops
) { /* don't bother if already set */
340 /* Restoring min/max mtu values set originally by usbnet */
342 net
->max_mtu
= ETH_MAX_MTU
;
343 clear_bit(EVENT_NO_IP_ALIGN
, &dev
->flags
);
344 netdev_dbg(net
, "mode: Ethernet\n");
347 /* recalculate buffers after changing hard_header_len */
348 usbnet_change_mtu(net
, net
->mtu
);
351 static ssize_t
raw_ip_show(struct device
*d
, struct device_attribute
*attr
, char *buf
)
353 struct usbnet
*dev
= netdev_priv(to_net_dev(d
));
354 struct qmi_wwan_state
*info
= (void *)&dev
->data
;
356 return sprintf(buf
, "%c\n", info
->flags
& QMI_WWAN_FLAG_RAWIP
? 'Y' : 'N');
359 static ssize_t
raw_ip_store(struct device
*d
, struct device_attribute
*attr
, const char *buf
, size_t len
)
361 struct usbnet
*dev
= netdev_priv(to_net_dev(d
));
362 struct qmi_wwan_state
*info
= (void *)&dev
->data
;
366 if (strtobool(buf
, &enable
))
370 if (enable
== (info
->flags
& QMI_WWAN_FLAG_RAWIP
))
374 return restart_syscall();
376 /* we don't want to modify a running netdev */
377 if (netif_running(dev
->net
)) {
378 netdev_err(dev
->net
, "Cannot change a running device\n");
383 /* let other drivers deny the change */
384 ret
= call_netdevice_notifiers(NETDEV_PRE_TYPE_CHANGE
, dev
->net
);
385 ret
= notifier_to_errno(ret
);
387 netdev_err(dev
->net
, "Type change was refused\n");
392 info
->flags
|= QMI_WWAN_FLAG_RAWIP
;
394 info
->flags
&= ~QMI_WWAN_FLAG_RAWIP
;
395 qmi_wwan_netdev_setup(dev
->net
);
396 call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE
, dev
->net
);
403 static ssize_t
add_mux_show(struct device
*d
, struct device_attribute
*attr
, char *buf
)
405 struct net_device
*dev
= to_net_dev(d
);
406 struct qmimux_priv
*priv
;
407 struct list_head
*iter
;
408 struct net_device
*ldev
;
412 netdev_for_each_upper_dev_rcu(dev
, ldev
, iter
) {
413 priv
= netdev_priv(ldev
);
414 count
+= scnprintf(&buf
[count
], PAGE_SIZE
- count
,
415 "0x%02x\n", priv
->mux_id
);
421 static ssize_t
add_mux_store(struct device
*d
, struct device_attribute
*attr
, const char *buf
, size_t len
)
423 struct usbnet
*dev
= netdev_priv(to_net_dev(d
));
424 struct qmi_wwan_state
*info
= (void *)&dev
->data
;
428 if (kstrtou8(buf
, 0, &mux_id
))
431 /* mux_id [1 - 254] for compatibility with ip(8) and the rmnet driver */
432 if (mux_id
< 1 || mux_id
> 254)
436 return restart_syscall();
438 if (qmimux_find_dev(dev
, mux_id
)) {
439 netdev_err(dev
->net
, "mux_id already present\n");
444 /* we don't want to modify a running netdev */
445 if (netif_running(dev
->net
)) {
446 netdev_err(dev
->net
, "Cannot change a running device\n");
451 ret
= qmimux_register_device(dev
->net
, mux_id
);
453 info
->flags
|= QMI_WWAN_FLAG_MUX
;
461 static ssize_t
del_mux_show(struct device
*d
, struct device_attribute
*attr
, char *buf
)
463 return add_mux_show(d
, attr
, buf
);
466 static ssize_t
del_mux_store(struct device
*d
, struct device_attribute
*attr
, const char *buf
, size_t len
)
468 struct usbnet
*dev
= netdev_priv(to_net_dev(d
));
469 struct qmi_wwan_state
*info
= (void *)&dev
->data
;
470 struct net_device
*del_dev
;
474 if (kstrtou8(buf
, 0, &mux_id
))
478 return restart_syscall();
480 /* we don't want to modify a running netdev */
481 if (netif_running(dev
->net
)) {
482 netdev_err(dev
->net
, "Cannot change a running device\n");
487 del_dev
= qmimux_find_dev(dev
, mux_id
);
489 netdev_err(dev
->net
, "mux_id not present\n");
493 qmimux_unregister_device(del_dev
, NULL
);
495 if (!qmimux_has_slaves(dev
))
496 info
->flags
&= ~QMI_WWAN_FLAG_MUX
;
503 static DEVICE_ATTR_RW(raw_ip
);
504 static DEVICE_ATTR_RW(add_mux
);
505 static DEVICE_ATTR_RW(del_mux
);
507 static struct attribute
*qmi_wwan_sysfs_attrs
[] = {
508 &dev_attr_raw_ip
.attr
,
509 &dev_attr_add_mux
.attr
,
510 &dev_attr_del_mux
.attr
,
514 static struct attribute_group qmi_wwan_sysfs_attr_group
= {
516 .attrs
= qmi_wwan_sysfs_attrs
,
519 /* default ethernet address used by the modem */
520 static const u8 default_modem_addr
[ETH_ALEN
] = {0x02, 0x50, 0xf3};
522 static const u8 buggy_fw_addr
[ETH_ALEN
] = {0x00, 0xa0, 0xc6, 0x00, 0x00, 0x00};
524 /* Make up an ethernet header if the packet doesn't have one.
526 * A firmware bug common among several devices cause them to send raw
527 * IP packets under some circumstances. There is no way for the
528 * driver/host to know when this will happen. And even when the bug
529 * hits, some packets will still arrive with an intact header.
531 * The supported devices are only capably of sending IPv4, IPv6 and
532 * ARP packets on a point-to-point link. Any packet with an ethernet
533 * header will have either our address or a broadcast/multicast
534 * address as destination. ARP packets will always have a header.
536 * This means that this function will reliably add the appropriate
537 * header iff necessary, provided our hardware address does not start
540 * Another common firmware bug results in all packets being addressed
541 * to 00:a0:c6:00:00:00 despite the host address being different.
542 * This function will also fixup such packets.
544 static int qmi_wwan_rx_fixup(struct usbnet
*dev
, struct sk_buff
*skb
)
546 struct qmi_wwan_state
*info
= (void *)&dev
->data
;
547 bool rawip
= info
->flags
& QMI_WWAN_FLAG_RAWIP
;
550 /* This check is no longer done by usbnet */
551 if (skb
->len
< dev
->net
->hard_header_len
)
554 if (info
->flags
& QMI_WWAN_FLAG_MUX
)
555 return qmimux_rx_fixup(dev
, skb
);
557 switch (skb
->data
[0] & 0xf0) {
559 proto
= htons(ETH_P_IP
);
562 proto
= htons(ETH_P_IPV6
);
567 if (is_multicast_ether_addr(skb
->data
))
569 /* possibly bogus destination - rewrite just in case */
570 skb_reset_mac_header(skb
);
575 /* pass along other packets without modifications */
579 skb_reset_mac_header(skb
);
580 skb
->dev
= dev
->net
; /* normally set by eth_type_trans */
581 skb
->protocol
= proto
;
585 if (skb_headroom(skb
) < ETH_HLEN
)
587 skb_push(skb
, ETH_HLEN
);
588 skb_reset_mac_header(skb
);
589 eth_hdr(skb
)->h_proto
= proto
;
590 eth_zero_addr(eth_hdr(skb
)->h_source
);
592 memcpy(eth_hdr(skb
)->h_dest
, dev
->net
->dev_addr
, ETH_ALEN
);
596 /* very simplistic detection of IPv4 or IPv6 headers */
597 static bool possibly_iphdr(const char *data
)
599 return (data
[0] & 0xd0) == 0x40;
602 /* disallow addresses which may be confused with IP headers */
603 static int qmi_wwan_mac_addr(struct net_device
*dev
, void *p
)
606 struct sockaddr
*addr
= p
;
608 ret
= eth_prepare_mac_addr_change(dev
, p
);
611 if (possibly_iphdr(addr
->sa_data
))
612 return -EADDRNOTAVAIL
;
613 eth_commit_mac_addr_change(dev
, p
);
617 static const struct net_device_ops qmi_wwan_netdev_ops
= {
618 .ndo_open
= usbnet_open
,
619 .ndo_stop
= usbnet_stop
,
620 .ndo_start_xmit
= usbnet_start_xmit
,
621 .ndo_tx_timeout
= usbnet_tx_timeout
,
622 .ndo_change_mtu
= usbnet_change_mtu
,
623 .ndo_get_stats64
= usbnet_get_stats64
,
624 .ndo_set_mac_address
= qmi_wwan_mac_addr
,
625 .ndo_validate_addr
= eth_validate_addr
,
628 /* using a counter to merge subdriver requests with our own into a
631 static int qmi_wwan_manage_power(struct usbnet
*dev
, int on
)
633 struct qmi_wwan_state
*info
= (void *)&dev
->data
;
636 dev_dbg(&dev
->intf
->dev
, "%s() pmcount=%d, on=%d\n", __func__
,
637 atomic_read(&info
->pmcount
), on
);
639 if ((on
&& atomic_add_return(1, &info
->pmcount
) == 1) ||
640 (!on
&& atomic_dec_and_test(&info
->pmcount
))) {
641 /* need autopm_get/put here to ensure the usbcore sees
644 rv
= usb_autopm_get_interface(dev
->intf
);
645 dev
->intf
->needs_remote_wakeup
= on
;
647 usb_autopm_put_interface(dev
->intf
);
652 static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface
*intf
, int on
)
654 struct usbnet
*dev
= usb_get_intfdata(intf
);
656 /* can be called while disconnecting */
659 return qmi_wwan_manage_power(dev
, on
);
662 /* collect all three endpoints and register subdriver */
663 static int qmi_wwan_register_subdriver(struct usbnet
*dev
)
666 struct usb_driver
*subdriver
= NULL
;
667 struct qmi_wwan_state
*info
= (void *)&dev
->data
;
669 /* collect bulk endpoints */
670 rv
= usbnet_get_endpoints(dev
, info
->data
);
674 /* update status endpoint if separate control interface */
675 if (info
->control
!= info
->data
)
676 dev
->status
= &info
->control
->cur_altsetting
->endpoint
[0];
678 /* require interrupt endpoint for subdriver */
684 /* for subdriver power management */
685 atomic_set(&info
->pmcount
, 0);
687 /* register subdriver */
688 subdriver
= usb_cdc_wdm_register(info
->control
, &dev
->status
->desc
,
689 4096, &qmi_wwan_cdc_wdm_manage_power
);
690 if (IS_ERR(subdriver
)) {
691 dev_err(&info
->control
->dev
, "subdriver registration failed\n");
692 rv
= PTR_ERR(subdriver
);
696 /* prevent usbnet from using status endpoint */
699 /* save subdriver struct for suspend/resume wrappers */
700 info
->subdriver
= subdriver
;
706 /* Send CDC SetControlLineState request, setting or clearing the DTR.
707 * "Required for Autoconnect and 9x30 to wake up" according to the
708 * GobiNet driver. The requirement has been verified on an MDM9230
709 * based Sierra Wireless MC7455
711 static int qmi_wwan_change_dtr(struct usbnet
*dev
, bool on
)
713 u8 intf
= dev
->intf
->cur_altsetting
->desc
.bInterfaceNumber
;
715 return usbnet_write_cmd(dev
, USB_CDC_REQ_SET_CONTROL_LINE_STATE
,
716 USB_DIR_OUT
| USB_TYPE_CLASS
| USB_RECIP_INTERFACE
,
717 on
? 0x01 : 0x00, intf
, NULL
, 0);
720 static int qmi_wwan_bind(struct usbnet
*dev
, struct usb_interface
*intf
)
723 u8
*buf
= intf
->cur_altsetting
->extra
;
724 int len
= intf
->cur_altsetting
->extralen
;
725 struct usb_interface_descriptor
*desc
= &intf
->cur_altsetting
->desc
;
726 struct usb_cdc_union_desc
*cdc_union
;
727 struct usb_cdc_ether_desc
*cdc_ether
;
728 struct usb_driver
*driver
= driver_of(intf
);
729 struct qmi_wwan_state
*info
= (void *)&dev
->data
;
730 struct usb_cdc_parsed_header hdr
;
732 BUILD_BUG_ON((sizeof(((struct usbnet
*)0)->data
) <
733 sizeof(struct qmi_wwan_state
)));
735 /* set up initial state */
736 info
->control
= intf
;
739 /* and a number of CDC descriptors */
740 cdc_parse_cdc_header(&hdr
, intf
, buf
, len
);
741 cdc_union
= hdr
.usb_cdc_union_desc
;
742 cdc_ether
= hdr
.usb_cdc_ether_desc
;
744 /* Use separate control and data interfaces if we found a CDC Union */
746 info
->data
= usb_ifnum_to_if(dev
->udev
,
747 cdc_union
->bSlaveInterface0
);
748 if (desc
->bInterfaceNumber
!= cdc_union
->bMasterInterface0
||
751 "bogus CDC Union: master=%u, slave=%u\n",
752 cdc_union
->bMasterInterface0
,
753 cdc_union
->bSlaveInterface0
);
755 /* ignore and continue... */
761 /* errors aren't fatal - we can live with the dynamic address */
762 if (cdc_ether
&& cdc_ether
->wMaxSegmentSize
) {
763 dev
->hard_mtu
= le16_to_cpu(cdc_ether
->wMaxSegmentSize
);
764 usbnet_get_ethernet_addr(dev
, cdc_ether
->iMACAddress
);
767 /* claim data interface and set it up */
768 if (info
->control
!= info
->data
) {
769 status
= usb_driver_claim_interface(driver
, info
->data
, dev
);
774 status
= qmi_wwan_register_subdriver(dev
);
775 if (status
< 0 && info
->control
!= info
->data
) {
776 usb_set_intfdata(info
->data
, NULL
);
777 usb_driver_release_interface(driver
, info
->data
);
780 /* disabling remote wakeup on MDM9x30 devices has the same
781 * effect as clearing DTR. The device will not respond to QMI
782 * requests until we set DTR again. This is similar to a
783 * QMI_CTL SYNC request, clearing a lot of firmware state
784 * including the client ID allocations.
786 * Our usage model allows a session to span multiple
787 * open/close events, so we must prevent the firmware from
788 * clearing out state the clients might need.
790 * MDM9x30 is the first QMI chipset with USB3 support. Abuse
791 * this fact to enable the quirk for all USB3 devices.
793 * There are also chipsets with the same "set DTR" requirement
794 * but without USB3 support. Devices based on these chips
795 * need a quirk flag in the device ID table.
797 if (dev
->driver_info
->data
& QMI_WWAN_QUIRK_DTR
||
798 le16_to_cpu(dev
->udev
->descriptor
.bcdUSB
) >= 0x0201) {
799 qmi_wwan_manage_power(dev
, 1);
800 qmi_wwan_change_dtr(dev
, true);
803 /* Never use the same address on both ends of the link, even if the
804 * buggy firmware told us to. Or, if device is assigned the well-known
805 * buggy firmware MAC address, replace it with a random address,
807 if (ether_addr_equal(dev
->net
->dev_addr
, default_modem_addr
) ||
808 ether_addr_equal(dev
->net
->dev_addr
, buggy_fw_addr
))
809 eth_hw_addr_random(dev
->net
);
811 /* make MAC addr easily distinguishable from an IP header */
812 if (possibly_iphdr(dev
->net
->dev_addr
)) {
813 dev
->net
->dev_addr
[0] |= 0x02; /* set local assignment bit */
814 dev
->net
->dev_addr
[0] &= 0xbf; /* clear "IP" bit */
816 dev
->net
->netdev_ops
= &qmi_wwan_netdev_ops
;
817 dev
->net
->sysfs_groups
[0] = &qmi_wwan_sysfs_attr_group
;
822 static void qmi_wwan_unbind(struct usbnet
*dev
, struct usb_interface
*intf
)
824 struct qmi_wwan_state
*info
= (void *)&dev
->data
;
825 struct usb_driver
*driver
= driver_of(intf
);
826 struct usb_interface
*other
;
828 if (info
->subdriver
&& info
->subdriver
->disconnect
)
829 info
->subdriver
->disconnect(info
->control
);
831 /* disable MDM9x30 quirk */
832 if (le16_to_cpu(dev
->udev
->descriptor
.bcdUSB
) >= 0x0201) {
833 qmi_wwan_change_dtr(dev
, false);
834 qmi_wwan_manage_power(dev
, 0);
837 /* allow user to unbind using either control or data */
838 if (intf
== info
->control
)
841 other
= info
->control
;
843 /* only if not shared */
844 if (other
&& intf
!= other
) {
845 usb_set_intfdata(other
, NULL
);
846 usb_driver_release_interface(driver
, other
);
849 info
->subdriver
= NULL
;
851 info
->control
= NULL
;
854 /* suspend/resume wrappers calling both usbnet and the cdc-wdm
855 * subdriver if present.
857 * NOTE: cdc-wdm also supports pre/post_reset, but we cannot provide
858 * wrappers for those without adding usbnet reset support first.
860 static int qmi_wwan_suspend(struct usb_interface
*intf
, pm_message_t message
)
862 struct usbnet
*dev
= usb_get_intfdata(intf
);
863 struct qmi_wwan_state
*info
= (void *)&dev
->data
;
866 /* Both usbnet_suspend() and subdriver->suspend() MUST return 0
867 * in system sleep context, otherwise, the resume callback has
868 * to recover device from previous suspend failure.
870 ret
= usbnet_suspend(intf
, message
);
874 if (intf
== info
->control
&& info
->subdriver
&&
875 info
->subdriver
->suspend
)
876 ret
= info
->subdriver
->suspend(intf
, message
);
883 static int qmi_wwan_resume(struct usb_interface
*intf
)
885 struct usbnet
*dev
= usb_get_intfdata(intf
);
886 struct qmi_wwan_state
*info
= (void *)&dev
->data
;
888 bool callsub
= (intf
== info
->control
&& info
->subdriver
&&
889 info
->subdriver
->resume
);
892 ret
= info
->subdriver
->resume(intf
);
895 ret
= usbnet_resume(intf
);
896 if (ret
< 0 && callsub
)
897 info
->subdriver
->suspend(intf
, PMSG_SUSPEND
);
902 static const struct driver_info qmi_wwan_info
= {
903 .description
= "WWAN/QMI device",
904 .flags
= FLAG_WWAN
| FLAG_SEND_ZLP
,
905 .bind
= qmi_wwan_bind
,
906 .unbind
= qmi_wwan_unbind
,
907 .manage_power
= qmi_wwan_manage_power
,
908 .rx_fixup
= qmi_wwan_rx_fixup
,
911 static const struct driver_info qmi_wwan_info_quirk_dtr
= {
912 .description
= "WWAN/QMI device",
913 .flags
= FLAG_WWAN
| FLAG_SEND_ZLP
,
914 .bind
= qmi_wwan_bind
,
915 .unbind
= qmi_wwan_unbind
,
916 .manage_power
= qmi_wwan_manage_power
,
917 .rx_fixup
= qmi_wwan_rx_fixup
,
918 .data
= QMI_WWAN_QUIRK_DTR
,
921 #define HUAWEI_VENDOR_ID 0x12D1
923 /* map QMI/wwan function by a fixed interface number */
924 #define QMI_FIXED_INTF(vend, prod, num) \
925 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \
926 .driver_info = (unsigned long)&qmi_wwan_info
928 /* devices requiring "set DTR" quirk */
929 #define QMI_QUIRK_SET_DTR(vend, prod, num) \
930 USB_DEVICE_INTERFACE_NUMBER(vend, prod, num), \
931 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr
933 /* Gobi 1000 QMI/wwan interface number is 3 according to qcserial */
934 #define QMI_GOBI1K_DEVICE(vend, prod) \
935 QMI_FIXED_INTF(vend, prod, 3)
937 /* Gobi 2000/3000 QMI/wwan interface number is 0 according to qcserial */
938 #define QMI_GOBI_DEVICE(vend, prod) \
939 QMI_FIXED_INTF(vend, prod, 0)
941 /* Many devices have QMI and DIAG functions which are distinguishable
942 * from other vendor specific functions by class, subclass and
943 * protocol all being 0xff. The DIAG function has exactly 2 endpoints
944 * and is silently rejected when probed.
946 * This makes it possible to match dynamically numbered QMI functions
947 * as seen on e.g. many Quectel modems.
949 #define QMI_MATCH_FF_FF_FF(vend, prod) \
950 USB_DEVICE_AND_INTERFACE_INFO(vend, prod, USB_CLASS_VENDOR_SPEC, \
951 USB_SUBCLASS_VENDOR_SPEC, 0xff), \
952 .driver_info = (unsigned long)&qmi_wwan_info_quirk_dtr
954 static const struct usb_device_id products
[] = {
955 /* 1. CDC ECM like devices match on the control interface */
956 { /* Huawei E392, E398 and possibly others sharing both device id and more... */
957 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID
, USB_CLASS_VENDOR_SPEC
, 1, 9),
958 .driver_info
= (unsigned long)&qmi_wwan_info
,
960 { /* Vodafone/Huawei K5005 (12d1:14c8) and similar modems */
961 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID
, USB_CLASS_VENDOR_SPEC
, 1, 57),
962 .driver_info
= (unsigned long)&qmi_wwan_info
,
964 { /* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */
965 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID
, USB_CLASS_VENDOR_SPEC
, 0x01, 0x69),
966 .driver_info
= (unsigned long)&qmi_wwan_info
,
968 { /* Motorola Mapphone devices with MDM6600 */
969 USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC
, 0xfb, 0xff),
970 .driver_info
= (unsigned long)&qmi_wwan_info
,
973 /* 2. Combined interface devices matching on class+protocol */
974 { /* Huawei E367 and possibly others in "Windows mode" */
975 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID
, USB_CLASS_VENDOR_SPEC
, 1, 7),
976 .driver_info
= (unsigned long)&qmi_wwan_info
,
978 { /* Huawei E392, E398 and possibly others in "Windows mode" */
979 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID
, USB_CLASS_VENDOR_SPEC
, 1, 17),
980 .driver_info
= (unsigned long)&qmi_wwan_info
,
982 { /* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */
983 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID
, USB_CLASS_VENDOR_SPEC
, 0x01, 0x37),
984 .driver_info
= (unsigned long)&qmi_wwan_info
,
986 { /* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */
987 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID
, USB_CLASS_VENDOR_SPEC
, 0x01, 0x67),
988 .driver_info
= (unsigned long)&qmi_wwan_info
,
990 { /* Pantech UML290, P4200 and more */
991 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC
, 0xf0, 0xff),
992 .driver_info
= (unsigned long)&qmi_wwan_info
,
994 { /* Pantech UML290 - newer firmware */
995 USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC
, 0xf1, 0xff),
996 .driver_info
= (unsigned long)&qmi_wwan_info
,
998 { /* Novatel USB551L and MC551 */
999 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0xb001,
1001 USB_CDC_SUBCLASS_ETHERNET
,
1002 USB_CDC_PROTO_NONE
),
1003 .driver_info
= (unsigned long)&qmi_wwan_info
,
1005 { /* Novatel E362 */
1006 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9010,
1008 USB_CDC_SUBCLASS_ETHERNET
,
1009 USB_CDC_PROTO_NONE
),
1010 .driver_info
= (unsigned long)&qmi_wwan_info
,
1012 { /* Novatel Expedite E371 */
1013 USB_DEVICE_AND_INTERFACE_INFO(0x1410, 0x9011,
1015 USB_CDC_SUBCLASS_ETHERNET
,
1016 USB_CDC_PROTO_NONE
),
1017 .driver_info
= (unsigned long)&qmi_wwan_info
,
1019 { /* Dell Wireless 5800 (Novatel E362) */
1020 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8195,
1022 USB_CDC_SUBCLASS_ETHERNET
,
1023 USB_CDC_PROTO_NONE
),
1024 .driver_info
= (unsigned long)&qmi_wwan_info
,
1026 { /* Dell Wireless 5800 V2 (Novatel E362) */
1027 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x8196,
1029 USB_CDC_SUBCLASS_ETHERNET
,
1030 USB_CDC_PROTO_NONE
),
1031 .driver_info
= (unsigned long)&qmi_wwan_info
,
1033 { /* Dell Wireless 5804 (Novatel E371) */
1034 USB_DEVICE_AND_INTERFACE_INFO(0x413C, 0x819b,
1036 USB_CDC_SUBCLASS_ETHERNET
,
1037 USB_CDC_PROTO_NONE
),
1038 .driver_info
= (unsigned long)&qmi_wwan_info
,
1041 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a,
1043 USB_CDC_SUBCLASS_ETHERNET
,
1044 USB_CDC_PROTO_NONE
),
1045 .driver_info
= (unsigned long)&qmi_wwan_info
,
1047 { /* HP lt2523 (Novatel E371) */
1048 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d,
1050 USB_CDC_SUBCLASS_ETHERNET
,
1051 USB_CDC_PROTO_NONE
),
1052 .driver_info
= (unsigned long)&qmi_wwan_info
,
1054 { /* HP lt4112 LTE/HSPA+ Gobi 4G Module (Huawei me906e) */
1055 USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x581d, USB_CLASS_VENDOR_SPEC
, 1, 7),
1056 .driver_info
= (unsigned long)&qmi_wwan_info
,
1058 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0125)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */
1059 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0306)}, /* Quectel EP06/EG06/EM06 */
1060 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0512)}, /* Quectel EG12/EM12 */
1061 {QMI_MATCH_FF_FF_FF(0x2c7c, 0x0800)}, /* Quectel RM500Q-GL */
1063 /* 3. Combined interface devices matching on interface number */
1064 {QMI_FIXED_INTF(0x0408, 0xea42, 4)}, /* Yota / Megafon M100-1 */
1065 {QMI_FIXED_INTF(0x05c6, 0x6001, 3)}, /* 4G LTE usb-modem U901 */
1066 {QMI_FIXED_INTF(0x05c6, 0x7000, 0)},
1067 {QMI_FIXED_INTF(0x05c6, 0x7001, 1)},
1068 {QMI_FIXED_INTF(0x05c6, 0x7002, 1)},
1069 {QMI_FIXED_INTF(0x05c6, 0x7101, 1)},
1070 {QMI_FIXED_INTF(0x05c6, 0x7101, 2)},
1071 {QMI_FIXED_INTF(0x05c6, 0x7101, 3)},
1072 {QMI_FIXED_INTF(0x05c6, 0x7102, 1)},
1073 {QMI_FIXED_INTF(0x05c6, 0x7102, 2)},
1074 {QMI_FIXED_INTF(0x05c6, 0x7102, 3)},
1075 {QMI_FIXED_INTF(0x05c6, 0x8000, 7)},
1076 {QMI_FIXED_INTF(0x05c6, 0x8001, 6)},
1077 {QMI_FIXED_INTF(0x05c6, 0x9000, 4)},
1078 {QMI_FIXED_INTF(0x05c6, 0x9003, 4)},
1079 {QMI_FIXED_INTF(0x05c6, 0x9005, 2)},
1080 {QMI_FIXED_INTF(0x05c6, 0x900a, 4)},
1081 {QMI_FIXED_INTF(0x05c6, 0x900b, 2)},
1082 {QMI_FIXED_INTF(0x05c6, 0x900c, 4)},
1083 {QMI_FIXED_INTF(0x05c6, 0x900c, 5)},
1084 {QMI_FIXED_INTF(0x05c6, 0x900c, 6)},
1085 {QMI_FIXED_INTF(0x05c6, 0x900d, 5)},
1086 {QMI_FIXED_INTF(0x05c6, 0x900f, 3)},
1087 {QMI_FIXED_INTF(0x05c6, 0x900f, 4)},
1088 {QMI_FIXED_INTF(0x05c6, 0x900f, 5)},
1089 {QMI_FIXED_INTF(0x05c6, 0x9010, 4)},
1090 {QMI_FIXED_INTF(0x05c6, 0x9010, 5)},
1091 {QMI_FIXED_INTF(0x05c6, 0x9011, 3)},
1092 {QMI_FIXED_INTF(0x05c6, 0x9011, 4)},
1093 {QMI_FIXED_INTF(0x05c6, 0x9021, 1)},
1094 {QMI_FIXED_INTF(0x05c6, 0x9022, 2)},
1095 {QMI_FIXED_INTF(0x05c6, 0x9025, 4)}, /* Alcatel-sbell ASB TL131 TDD LTE (China Mobile) */
1096 {QMI_FIXED_INTF(0x05c6, 0x9026, 3)},
1097 {QMI_FIXED_INTF(0x05c6, 0x902e, 5)},
1098 {QMI_FIXED_INTF(0x05c6, 0x9031, 5)},
1099 {QMI_FIXED_INTF(0x05c6, 0x9032, 4)},
1100 {QMI_FIXED_INTF(0x05c6, 0x9033, 3)},
1101 {QMI_FIXED_INTF(0x05c6, 0x9033, 4)},
1102 {QMI_FIXED_INTF(0x05c6, 0x9033, 5)},
1103 {QMI_FIXED_INTF(0x05c6, 0x9033, 6)},
1104 {QMI_FIXED_INTF(0x05c6, 0x9034, 3)},
1105 {QMI_FIXED_INTF(0x05c6, 0x9034, 4)},
1106 {QMI_FIXED_INTF(0x05c6, 0x9034, 5)},
1107 {QMI_FIXED_INTF(0x05c6, 0x9034, 6)},
1108 {QMI_FIXED_INTF(0x05c6, 0x9034, 7)},
1109 {QMI_FIXED_INTF(0x05c6, 0x9035, 4)},
1110 {QMI_FIXED_INTF(0x05c6, 0x9036, 3)},
1111 {QMI_FIXED_INTF(0x05c6, 0x9037, 5)},
1112 {QMI_FIXED_INTF(0x05c6, 0x9038, 4)},
1113 {QMI_FIXED_INTF(0x05c6, 0x903b, 7)},
1114 {QMI_FIXED_INTF(0x05c6, 0x903c, 6)},
1115 {QMI_FIXED_INTF(0x05c6, 0x903d, 6)},
1116 {QMI_FIXED_INTF(0x05c6, 0x903e, 5)},
1117 {QMI_FIXED_INTF(0x05c6, 0x9043, 3)},
1118 {QMI_FIXED_INTF(0x05c6, 0x9046, 3)},
1119 {QMI_FIXED_INTF(0x05c6, 0x9046, 4)},
1120 {QMI_FIXED_INTF(0x05c6, 0x9046, 5)},
1121 {QMI_FIXED_INTF(0x05c6, 0x9047, 2)},
1122 {QMI_FIXED_INTF(0x05c6, 0x9047, 3)},
1123 {QMI_FIXED_INTF(0x05c6, 0x9047, 4)},
1124 {QMI_FIXED_INTF(0x05c6, 0x9048, 4)},
1125 {QMI_FIXED_INTF(0x05c6, 0x9048, 5)},
1126 {QMI_FIXED_INTF(0x05c6, 0x9048, 6)},
1127 {QMI_FIXED_INTF(0x05c6, 0x9048, 7)},
1128 {QMI_FIXED_INTF(0x05c6, 0x9048, 8)},
1129 {QMI_FIXED_INTF(0x05c6, 0x904c, 5)},
1130 {QMI_FIXED_INTF(0x05c6, 0x904c, 6)},
1131 {QMI_FIXED_INTF(0x05c6, 0x904c, 7)},
1132 {QMI_FIXED_INTF(0x05c6, 0x904c, 8)},
1133 {QMI_FIXED_INTF(0x05c6, 0x9050, 3)},
1134 {QMI_FIXED_INTF(0x05c6, 0x9052, 4)},
1135 {QMI_FIXED_INTF(0x05c6, 0x9053, 6)},
1136 {QMI_FIXED_INTF(0x05c6, 0x9053, 7)},
1137 {QMI_FIXED_INTF(0x05c6, 0x9054, 5)},
1138 {QMI_FIXED_INTF(0x05c6, 0x9054, 6)},
1139 {QMI_FIXED_INTF(0x05c6, 0x9055, 3)},
1140 {QMI_FIXED_INTF(0x05c6, 0x9055, 4)},
1141 {QMI_FIXED_INTF(0x05c6, 0x9055, 5)},
1142 {QMI_FIXED_INTF(0x05c6, 0x9055, 6)},
1143 {QMI_FIXED_INTF(0x05c6, 0x9055, 7)},
1144 {QMI_FIXED_INTF(0x05c6, 0x9056, 3)},
1145 {QMI_FIXED_INTF(0x05c6, 0x9062, 2)},
1146 {QMI_FIXED_INTF(0x05c6, 0x9062, 3)},
1147 {QMI_FIXED_INTF(0x05c6, 0x9062, 4)},
1148 {QMI_FIXED_INTF(0x05c6, 0x9062, 5)},
1149 {QMI_FIXED_INTF(0x05c6, 0x9062, 6)},
1150 {QMI_FIXED_INTF(0x05c6, 0x9062, 7)},
1151 {QMI_FIXED_INTF(0x05c6, 0x9062, 8)},
1152 {QMI_FIXED_INTF(0x05c6, 0x9062, 9)},
1153 {QMI_FIXED_INTF(0x05c6, 0x9064, 3)},
1154 {QMI_FIXED_INTF(0x05c6, 0x9065, 6)},
1155 {QMI_FIXED_INTF(0x05c6, 0x9065, 7)},
1156 {QMI_FIXED_INTF(0x05c6, 0x9066, 5)},
1157 {QMI_FIXED_INTF(0x05c6, 0x9066, 6)},
1158 {QMI_FIXED_INTF(0x05c6, 0x9067, 1)},
1159 {QMI_FIXED_INTF(0x05c6, 0x9068, 2)},
1160 {QMI_FIXED_INTF(0x05c6, 0x9068, 3)},
1161 {QMI_FIXED_INTF(0x05c6, 0x9068, 4)},
1162 {QMI_FIXED_INTF(0x05c6, 0x9068, 5)},
1163 {QMI_FIXED_INTF(0x05c6, 0x9068, 6)},
1164 {QMI_FIXED_INTF(0x05c6, 0x9068, 7)},
1165 {QMI_FIXED_INTF(0x05c6, 0x9069, 5)},
1166 {QMI_FIXED_INTF(0x05c6, 0x9069, 6)},
1167 {QMI_FIXED_INTF(0x05c6, 0x9069, 7)},
1168 {QMI_FIXED_INTF(0x05c6, 0x9069, 8)},
1169 {QMI_FIXED_INTF(0x05c6, 0x9070, 4)},
1170 {QMI_FIXED_INTF(0x05c6, 0x9070, 5)},
1171 {QMI_FIXED_INTF(0x05c6, 0x9075, 5)},
1172 {QMI_FIXED_INTF(0x05c6, 0x9076, 4)},
1173 {QMI_FIXED_INTF(0x05c6, 0x9076, 5)},
1174 {QMI_FIXED_INTF(0x05c6, 0x9076, 6)},
1175 {QMI_FIXED_INTF(0x05c6, 0x9076, 7)},
1176 {QMI_FIXED_INTF(0x05c6, 0x9076, 8)},
1177 {QMI_FIXED_INTF(0x05c6, 0x9077, 3)},
1178 {QMI_FIXED_INTF(0x05c6, 0x9077, 4)},
1179 {QMI_FIXED_INTF(0x05c6, 0x9077, 5)},
1180 {QMI_FIXED_INTF(0x05c6, 0x9077, 6)},
1181 {QMI_FIXED_INTF(0x05c6, 0x9078, 3)},
1182 {QMI_FIXED_INTF(0x05c6, 0x9079, 4)},
1183 {QMI_FIXED_INTF(0x05c6, 0x9079, 5)},
1184 {QMI_FIXED_INTF(0x05c6, 0x9079, 6)},
1185 {QMI_FIXED_INTF(0x05c6, 0x9079, 7)},
1186 {QMI_FIXED_INTF(0x05c6, 0x9079, 8)},
1187 {QMI_FIXED_INTF(0x05c6, 0x9080, 5)},
1188 {QMI_FIXED_INTF(0x05c6, 0x9080, 6)},
1189 {QMI_FIXED_INTF(0x05c6, 0x9080, 7)},
1190 {QMI_FIXED_INTF(0x05c6, 0x9080, 8)},
1191 {QMI_FIXED_INTF(0x05c6, 0x9083, 3)},
1192 {QMI_FIXED_INTF(0x05c6, 0x9084, 4)},
1193 {QMI_FIXED_INTF(0x05c6, 0x90b2, 3)}, /* ublox R410M */
1194 {QMI_FIXED_INTF(0x05c6, 0x920d, 0)},
1195 {QMI_FIXED_INTF(0x05c6, 0x920d, 5)},
1196 {QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)}, /* YUGA CLM920-NC5 */
1197 {QMI_FIXED_INTF(0x0846, 0x68a2, 8)},
1198 {QMI_FIXED_INTF(0x0846, 0x68d3, 8)}, /* Netgear Aircard 779S */
1199 {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */
1200 {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */
1201 {QMI_FIXED_INTF(0x1435, 0x0918, 3)}, /* Wistron NeWeb D16Q1 */
1202 {QMI_FIXED_INTF(0x1435, 0x0918, 4)}, /* Wistron NeWeb D16Q1 */
1203 {QMI_FIXED_INTF(0x1435, 0x0918, 5)}, /* Wistron NeWeb D16Q1 */
1204 {QMI_FIXED_INTF(0x1435, 0x3185, 4)}, /* Wistron NeWeb M18Q5 */
1205 {QMI_FIXED_INTF(0x1435, 0xd111, 4)}, /* M9615A DM11-1 D51QC */
1206 {QMI_FIXED_INTF(0x1435, 0xd181, 3)}, /* Wistron NeWeb D18Q1 */
1207 {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */
1208 {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */
1209 {QMI_FIXED_INTF(0x1435, 0xd182, 4)}, /* Wistron NeWeb D18 */
1210 {QMI_FIXED_INTF(0x1435, 0xd182, 5)}, /* Wistron NeWeb D18 */
1211 {QMI_FIXED_INTF(0x1435, 0xd191, 4)}, /* Wistron NeWeb D19Q1 */
1212 {QMI_QUIRK_SET_DTR(0x1508, 0x1001, 4)}, /* Fibocom NL668 series */
1213 {QMI_FIXED_INTF(0x1690, 0x7588, 4)}, /* ASKEY WWHC050 */
1214 {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */
1215 {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */
1216 {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */
1217 {QMI_FIXED_INTF(0x16d8, 0x6280, 0)}, /* CMOTech CHU-628 */
1218 {QMI_FIXED_INTF(0x16d8, 0x7001, 0)}, /* CMOTech CHU-720S */
1219 {QMI_FIXED_INTF(0x16d8, 0x7002, 0)}, /* CMOTech 7002 */
1220 {QMI_FIXED_INTF(0x16d8, 0x7003, 4)}, /* CMOTech CHU-629K */
1221 {QMI_FIXED_INTF(0x16d8, 0x7004, 3)}, /* CMOTech 7004 */
1222 {QMI_FIXED_INTF(0x16d8, 0x7006, 5)}, /* CMOTech CGU-629 */
1223 {QMI_FIXED_INTF(0x16d8, 0x700a, 4)}, /* CMOTech CHU-629S */
1224 {QMI_FIXED_INTF(0x16d8, 0x7211, 0)}, /* CMOTech CHU-720I */
1225 {QMI_FIXED_INTF(0x16d8, 0x7212, 0)}, /* CMOTech 7212 */
1226 {QMI_FIXED_INTF(0x16d8, 0x7213, 0)}, /* CMOTech 7213 */
1227 {QMI_FIXED_INTF(0x16d8, 0x7251, 1)}, /* CMOTech 7251 */
1228 {QMI_FIXED_INTF(0x16d8, 0x7252, 1)}, /* CMOTech 7252 */
1229 {QMI_FIXED_INTF(0x16d8, 0x7253, 1)}, /* CMOTech 7253 */
1230 {QMI_FIXED_INTF(0x19d2, 0x0002, 1)},
1231 {QMI_FIXED_INTF(0x19d2, 0x0012, 1)},
1232 {QMI_FIXED_INTF(0x19d2, 0x0017, 3)},
1233 {QMI_FIXED_INTF(0x19d2, 0x0019, 3)}, /* ONDA MT689DC */
1234 {QMI_FIXED_INTF(0x19d2, 0x0021, 4)},
1235 {QMI_FIXED_INTF(0x19d2, 0x0025, 1)},
1236 {QMI_FIXED_INTF(0x19d2, 0x0031, 4)},
1237 {QMI_FIXED_INTF(0x19d2, 0x0042, 4)},
1238 {QMI_FIXED_INTF(0x19d2, 0x0049, 5)},
1239 {QMI_FIXED_INTF(0x19d2, 0x0052, 4)},
1240 {QMI_FIXED_INTF(0x19d2, 0x0055, 1)}, /* ZTE (Vodafone) K3520-Z */
1241 {QMI_FIXED_INTF(0x19d2, 0x0058, 4)},
1242 {QMI_FIXED_INTF(0x19d2, 0x0063, 4)}, /* ZTE (Vodafone) K3565-Z */
1243 {QMI_FIXED_INTF(0x19d2, 0x0104, 4)}, /* ZTE (Vodafone) K4505-Z */
1244 {QMI_FIXED_INTF(0x19d2, 0x0113, 5)},
1245 {QMI_FIXED_INTF(0x19d2, 0x0118, 5)},
1246 {QMI_FIXED_INTF(0x19d2, 0x0121, 5)},
1247 {QMI_FIXED_INTF(0x19d2, 0x0123, 4)},
1248 {QMI_FIXED_INTF(0x19d2, 0x0124, 5)},
1249 {QMI_FIXED_INTF(0x19d2, 0x0125, 6)},
1250 {QMI_FIXED_INTF(0x19d2, 0x0126, 5)},
1251 {QMI_FIXED_INTF(0x19d2, 0x0130, 1)},
1252 {QMI_FIXED_INTF(0x19d2, 0x0133, 3)},
1253 {QMI_FIXED_INTF(0x19d2, 0x0141, 5)},
1254 {QMI_FIXED_INTF(0x19d2, 0x0157, 5)}, /* ZTE MF683 */
1255 {QMI_FIXED_INTF(0x19d2, 0x0158, 3)},
1256 {QMI_FIXED_INTF(0x19d2, 0x0167, 4)}, /* ZTE MF820D */
1257 {QMI_FIXED_INTF(0x19d2, 0x0168, 4)},
1258 {QMI_FIXED_INTF(0x19d2, 0x0176, 3)},
1259 {QMI_FIXED_INTF(0x19d2, 0x0178, 3)},
1260 {QMI_FIXED_INTF(0x19d2, 0x0191, 4)}, /* ZTE EuFi890 */
1261 {QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */
1262 {QMI_FIXED_INTF(0x19d2, 0x0200, 1)},
1263 {QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */
1264 {QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */
1265 {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */
1266 {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */
1267 {QMI_FIXED_INTF(0x19d2, 0x0396, 3)}, /* ZTE ZM8620 */
1268 {QMI_FIXED_INTF(0x19d2, 0x0412, 4)}, /* Telewell TW-LTE 4G */
1269 {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */
1270 {QMI_FIXED_INTF(0x19d2, 0x1010, 4)}, /* ZTE (Vodafone) K3571-Z */
1271 {QMI_FIXED_INTF(0x19d2, 0x1012, 4)},
1272 {QMI_FIXED_INTF(0x19d2, 0x1018, 3)}, /* ZTE (Vodafone) K5006-Z */
1273 {QMI_FIXED_INTF(0x19d2, 0x1021, 2)},
1274 {QMI_FIXED_INTF(0x19d2, 0x1245, 4)},
1275 {QMI_FIXED_INTF(0x19d2, 0x1247, 4)},
1276 {QMI_FIXED_INTF(0x19d2, 0x1252, 4)},
1277 {QMI_FIXED_INTF(0x19d2, 0x1254, 4)},
1278 {QMI_FIXED_INTF(0x19d2, 0x1255, 3)},
1279 {QMI_FIXED_INTF(0x19d2, 0x1255, 4)},
1280 {QMI_FIXED_INTF(0x19d2, 0x1256, 4)},
1281 {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */
1282 {QMI_FIXED_INTF(0x19d2, 0x1401, 2)},
1283 {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */
1284 {QMI_FIXED_INTF(0x19d2, 0x1424, 2)},
1285 {QMI_FIXED_INTF(0x19d2, 0x1425, 2)},
1286 {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */
1287 {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */
1288 {QMI_FIXED_INTF(0x19d2, 0x1432, 3)}, /* ZTE ME3620 */
1289 {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */
1290 {QMI_FIXED_INTF(0x2001, 0x7e16, 3)}, /* D-Link DWM-221 */
1291 {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */
1292 {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */
1293 {QMI_FIXED_INTF(0x2001, 0x7e3d, 4)}, /* D-Link DWM-222 A2 */
1294 {QMI_FIXED_INTF(0x2020, 0x2031, 4)}, /* Olicard 600 */
1295 {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */
1296 {QMI_FIXED_INTF(0x2020, 0x2060, 4)}, /* BroadMobi BM818 */
1297 {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */
1298 {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */
1299 {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */
1300 {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */
1301 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 8)}, /* Sierra Wireless MC7304/MC7354, WP76xx */
1302 {QMI_QUIRK_SET_DTR(0x1199, 0x68c0, 10)},/* Sierra Wireless MC7304/MC7354 */
1303 {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */
1304 {QMI_FIXED_INTF(0x1199, 0x901f, 8)}, /* Sierra Wireless EM7355 */
1305 {QMI_FIXED_INTF(0x1199, 0x9041, 8)}, /* Sierra Wireless MC7305/MC7355 */
1306 {QMI_FIXED_INTF(0x1199, 0x9041, 10)}, /* Sierra Wireless MC7305/MC7355 */
1307 {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */
1308 {QMI_FIXED_INTF(0x1199, 0x9053, 8)}, /* Sierra Wireless Modem */
1309 {QMI_FIXED_INTF(0x1199, 0x9054, 8)}, /* Sierra Wireless Modem */
1310 {QMI_FIXED_INTF(0x1199, 0x9055, 8)}, /* Netgear AirCard 341U */
1311 {QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */
1312 {QMI_FIXED_INTF(0x1199, 0x9057, 8)},
1313 {QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */
1314 {QMI_FIXED_INTF(0x1199, 0x9063, 8)}, /* Sierra Wireless EM7305 */
1315 {QMI_FIXED_INTF(0x1199, 0x9063, 10)}, /* Sierra Wireless EM7305 */
1316 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 8)}, /* Sierra Wireless MC74xx */
1317 {QMI_QUIRK_SET_DTR(0x1199, 0x9071, 10)},/* Sierra Wireless MC74xx */
1318 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 8)}, /* Sierra Wireless EM74xx */
1319 {QMI_QUIRK_SET_DTR(0x1199, 0x9079, 10)},/* Sierra Wireless EM74xx */
1320 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 8)}, /* Sierra Wireless EM74xx */
1321 {QMI_QUIRK_SET_DTR(0x1199, 0x907b, 10)},/* Sierra Wireless EM74xx */
1322 {QMI_QUIRK_SET_DTR(0x1199, 0x9091, 8)}, /* Sierra Wireless EM7565 */
1323 {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */
1324 {QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */
1325 {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */
1326 {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */
1327 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */
1328 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */
1329 {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */
1330 {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */
1331 {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */
1332 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */
1333 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1260, 2)}, /* Telit LE910Cx */
1334 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1261, 2)}, /* Telit LE910Cx */
1335 {QMI_QUIRK_SET_DTR(0x1bc7, 0x1900, 1)}, /* Telit LN940 series */
1336 {QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */
1337 {QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */
1338 {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */
1339 {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */
1340 {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */
1341 {QMI_FIXED_INTF(0x0b3c, 0xc002, 4)}, /* Olivetti Olicard 140 */
1342 {QMI_FIXED_INTF(0x0b3c, 0xc004, 6)}, /* Olivetti Olicard 155 */
1343 {QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */
1344 {QMI_FIXED_INTF(0x0b3c, 0xc00a, 6)}, /* Olivetti Olicard 160 */
1345 {QMI_FIXED_INTF(0x0b3c, 0xc00b, 4)}, /* Olivetti Olicard 500 */
1346 {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */
1347 {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */
1348 {QMI_FIXED_INTF(0x1e2d, 0x0063, 10)}, /* Cinterion ALASxx (1 RmNet) */
1349 {QMI_FIXED_INTF(0x1e2d, 0x0082, 4)}, /* Cinterion PHxx,PXxx (2 RmNet) */
1350 {QMI_FIXED_INTF(0x1e2d, 0x0082, 5)}, /* Cinterion PHxx,PXxx (2 RmNet) */
1351 {QMI_FIXED_INTF(0x1e2d, 0x0083, 4)}, /* Cinterion PHxx,PXxx (1 RmNet + USB Audio)*/
1352 {QMI_QUIRK_SET_DTR(0x1e2d, 0x00b0, 4)}, /* Cinterion CLS8 */
1353 {QMI_FIXED_INTF(0x413c, 0x81a2, 8)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
1354 {QMI_FIXED_INTF(0x413c, 0x81a3, 8)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
1355 {QMI_FIXED_INTF(0x413c, 0x81a4, 8)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
1356 {QMI_FIXED_INTF(0x413c, 0x81a8, 8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */
1357 {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */
1358 {QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */
1359 {QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
1360 {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */
1361 {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */
1362 {QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */
1363 {QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */
1364 {QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/
1365 {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */
1366 {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */
1367 {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */
1368 {QMI_QUIRK_SET_DTR(0x1e0e, 0x9001, 5)}, /* SIMCom 7100E, 7230E, 7600E ++ */
1369 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */
1370 {QMI_QUIRK_SET_DTR(0x2c7c, 0x0191, 4)}, /* Quectel EG91 */
1371 {QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */
1372 {QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)}, /* Fibocom NL678 series */
1373 {QMI_FIXED_INTF(0x0489, 0xe0b4, 0)}, /* Foxconn T77W968 LTE */
1374 {QMI_FIXED_INTF(0x0489, 0xe0b5, 0)}, /* Foxconn T77W968 LTE with eSIM support*/
1376 /* 4. Gobi 1000 devices */
1377 {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
1378 {QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */
1379 {QMI_GOBI1K_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */
1380 {QMI_GOBI1K_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */
1381 {QMI_GOBI1K_DEVICE(0x1410, 0xa001)}, /* Novatel/Verizon USB-1000 */
1382 {QMI_GOBI1K_DEVICE(0x1410, 0xa002)}, /* Novatel Gobi Modem device */
1383 {QMI_GOBI1K_DEVICE(0x1410, 0xa003)}, /* Novatel Gobi Modem device */
1384 {QMI_GOBI1K_DEVICE(0x1410, 0xa004)}, /* Novatel Gobi Modem device */
1385 {QMI_GOBI1K_DEVICE(0x1410, 0xa005)}, /* Novatel Gobi Modem device */
1386 {QMI_GOBI1K_DEVICE(0x1410, 0xa006)}, /* Novatel Gobi Modem device */
1387 {QMI_GOBI1K_DEVICE(0x1410, 0xa007)}, /* Novatel Gobi Modem device */
1388 {QMI_GOBI1K_DEVICE(0x0b05, 0x1776)}, /* Asus Gobi Modem device */
1389 {QMI_GOBI1K_DEVICE(0x19d2, 0xfff3)}, /* ONDA Gobi Modem device */
1390 {QMI_GOBI1K_DEVICE(0x05c6, 0x9001)}, /* Generic Gobi Modem device */
1391 {QMI_GOBI1K_DEVICE(0x05c6, 0x9002)}, /* Generic Gobi Modem device */
1392 {QMI_GOBI1K_DEVICE(0x05c6, 0x9202)}, /* Generic Gobi Modem device */
1393 {QMI_GOBI1K_DEVICE(0x05c6, 0x9203)}, /* Generic Gobi Modem device */
1394 {QMI_GOBI1K_DEVICE(0x05c6, 0x9222)}, /* Generic Gobi Modem device */
1395 {QMI_GOBI1K_DEVICE(0x05c6, 0x9009)}, /* Generic Gobi Modem device */
1397 /* 5. Gobi 2000 and 3000 devices */
1398 {QMI_GOBI_DEVICE(0x413c, 0x8186)}, /* Dell Gobi 2000 Modem device (N0218, VU936) */
1399 {QMI_GOBI_DEVICE(0x413c, 0x8194)}, /* Dell Gobi 3000 Composite */
1400 {QMI_GOBI_DEVICE(0x05c6, 0x920b)}, /* Generic Gobi 2000 Modem device */
1401 {QMI_GOBI_DEVICE(0x05c6, 0x9225)}, /* Sony Gobi 2000 Modem device (N0279, VU730) */
1402 {QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
1403 {QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
1404 {QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
1405 {QMI_FIXED_INTF(0x05c6, 0x9215, 4)}, /* Quectel EC20 Mini PCIe */
1406 {QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
1407 {QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
1408 {QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
1409 {QMI_GOBI_DEVICE(0x0af0, 0x8120)}, /* Option GTM681W */
1410 {QMI_GOBI_DEVICE(0x1199, 0x68a5)}, /* Sierra Wireless Modem */
1411 {QMI_GOBI_DEVICE(0x1199, 0x68a9)}, /* Sierra Wireless Modem */
1412 {QMI_GOBI_DEVICE(0x1199, 0x9001)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
1413 {QMI_GOBI_DEVICE(0x1199, 0x9002)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
1414 {QMI_GOBI_DEVICE(0x1199, 0x9003)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
1415 {QMI_GOBI_DEVICE(0x1199, 0x9004)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
1416 {QMI_GOBI_DEVICE(0x1199, 0x9005)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
1417 {QMI_GOBI_DEVICE(0x1199, 0x9006)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
1418 {QMI_GOBI_DEVICE(0x1199, 0x9007)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
1419 {QMI_GOBI_DEVICE(0x1199, 0x9008)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
1420 {QMI_GOBI_DEVICE(0x1199, 0x9009)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
1421 {QMI_GOBI_DEVICE(0x1199, 0x900a)}, /* Sierra Wireless Gobi 2000 Modem device (VT773) */
1422 {QMI_GOBI_DEVICE(0x1199, 0x9011)}, /* Sierra Wireless Gobi 2000 Modem device (MC8305) */
1423 {QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */
1424 {QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */
1425 {QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
1426 {QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */
1427 {QMI_GOBI_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */
1428 {QMI_GOBI_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */
1429 {QMI_GOBI_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */
1430 {QMI_GOBI_DEVICE(0x12d1, 0x14f1)}, /* Sony Gobi 3000 Composite */
1431 {QMI_GOBI_DEVICE(0x1410, 0xa021)}, /* Foxconn Gobi 3000 Modem device (Novatel E396) */
1435 MODULE_DEVICE_TABLE(usb
, products
);
1437 static bool quectel_ec20_detected(struct usb_interface
*intf
)
1439 struct usb_device
*dev
= interface_to_usbdev(intf
);
1441 if (dev
->actconfig
&&
1442 le16_to_cpu(dev
->descriptor
.idVendor
) == 0x05c6 &&
1443 le16_to_cpu(dev
->descriptor
.idProduct
) == 0x9215 &&
1444 dev
->actconfig
->desc
.bNumInterfaces
== 5)
1450 static int qmi_wwan_probe(struct usb_interface
*intf
,
1451 const struct usb_device_id
*prod
)
1453 struct usb_device_id
*id
= (struct usb_device_id
*)prod
;
1454 struct usb_interface_descriptor
*desc
= &intf
->cur_altsetting
->desc
;
1456 /* Workaround to enable dynamic IDs. This disables usbnet
1457 * blacklisting functionality. Which, if required, can be
1458 * reimplemented here by using a magic "blacklist" value
1459 * instead of 0 in the static device id table
1461 if (!id
->driver_info
) {
1462 dev_dbg(&intf
->dev
, "setting defaults for dynamic device id\n");
1463 id
->driver_info
= (unsigned long)&qmi_wwan_info
;
1466 /* There are devices where the same interface number can be
1467 * configured as different functions. We should only bind to
1468 * vendor specific functions when matching on interface number
1470 if (id
->match_flags
& USB_DEVICE_ID_MATCH_INT_NUMBER
&&
1471 desc
->bInterfaceClass
!= USB_CLASS_VENDOR_SPEC
) {
1473 "Rejecting interface number match for class %02x\n",
1474 desc
->bInterfaceClass
);
1478 /* Quectel EC20 quirk where we've QMI on interface 4 instead of 0 */
1479 if (quectel_ec20_detected(intf
) && desc
->bInterfaceNumber
== 0) {
1480 dev_dbg(&intf
->dev
, "Quectel EC20 quirk, skipping interface 0\n");
1484 /* Several Quectel modems supports dynamic interface configuration, so
1485 * we need to match on class/subclass/protocol. These values are
1486 * identical for the diagnostic- and QMI-interface, but bNumEndpoints is
1487 * different. Ignore the current interface if the number of endpoints
1488 * equals the number for the diag interface (two).
1490 if (desc
->bNumEndpoints
== 2)
1493 return usbnet_probe(intf
, id
);
1496 static void qmi_wwan_disconnect(struct usb_interface
*intf
)
1498 struct usbnet
*dev
= usb_get_intfdata(intf
);
1499 struct qmi_wwan_state
*info
;
1500 struct list_head
*iter
;
1501 struct net_device
*ldev
;
1504 /* called twice if separate control and data intf */
1507 info
= (void *)&dev
->data
;
1508 if (info
->flags
& QMI_WWAN_FLAG_MUX
) {
1509 if (!rtnl_trylock()) {
1514 netdev_for_each_upper_dev_rcu(dev
->net
, ldev
, iter
)
1515 qmimux_unregister_device(ldev
, &list
);
1517 unregister_netdevice_many(&list
);
1519 info
->flags
&= ~QMI_WWAN_FLAG_MUX
;
1521 usbnet_disconnect(intf
);
1524 static struct usb_driver qmi_wwan_driver
= {
1526 .id_table
= products
,
1527 .probe
= qmi_wwan_probe
,
1528 .disconnect
= qmi_wwan_disconnect
,
1529 .suspend
= qmi_wwan_suspend
,
1530 .resume
= qmi_wwan_resume
,
1531 .reset_resume
= qmi_wwan_resume
,
1532 .supports_autosuspend
= 1,
1533 .disable_hub_initiated_lpm
= 1,
1536 module_usb_driver(qmi_wwan_driver
);
1538 MODULE_AUTHOR("Bjørn Mork <bjorn@mork.no>");
1539 MODULE_DESCRIPTION("Qualcomm MSM Interface (QMI) WWAN driver");
1540 MODULE_LICENSE("GPL");