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eb4fd8cd EP |
1 | /* |
2 | * USB-to-WWAN Driver for Sierra Wireless modems | |
3 | * | |
4 | * Copyright (C) 2008, 2009, 2010 Paxton Smith, Matthew Safar, Rory Filer | |
5 | * <linux@sierrawireless.com> | |
6 | * | |
7 | * Portions of this based on the cdc_ether driver by David Brownell (2003-2005) | |
8 | * and Ole Andre Vadla Ravnas (ActiveSync) (2006). | |
9 | * | |
10 | * IMPORTANT DISCLAIMER: This driver is not commercially supported by | |
11 | * Sierra Wireless. Use at your own risk. | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or | |
16 | * (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
9cb00073 | 24 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
eb4fd8cd EP |
25 | */ |
26 | ||
27 | #define DRIVER_VERSION "v.2.0" | |
28 | #define DRIVER_AUTHOR "Paxton Smith, Matthew Safar, Rory Filer" | |
29 | #define DRIVER_DESC "USB-to-WWAN Driver for Sierra Wireless modems" | |
30 | static const char driver_name[] = "sierra_net"; | |
31 | ||
32 | /* if defined debug messages enabled */ | |
33 | /*#define DEBUG*/ | |
34 | ||
35 | #include <linux/module.h> | |
36 | #include <linux/etherdevice.h> | |
37 | #include <linux/ethtool.h> | |
38 | #include <linux/mii.h> | |
39 | #include <linux/sched.h> | |
40 | #include <linux/timer.h> | |
41 | #include <linux/usb.h> | |
42 | #include <linux/usb/cdc.h> | |
43 | #include <net/ip.h> | |
44 | #include <net/udp.h> | |
45 | #include <asm/unaligned.h> | |
46 | #include <linux/usb/usbnet.h> | |
47 | ||
48 | #define SWI_USB_REQUEST_GET_FW_ATTR 0x06 | |
49 | #define SWI_GET_FW_ATTR_MASK 0x08 | |
50 | ||
51 | /* atomic counter partially included in MAC address to make sure 2 devices | |
52 | * do not end up with the same MAC - concept breaks in case of > 255 ifaces | |
53 | */ | |
54 | static atomic_t iface_counter = ATOMIC_INIT(0); | |
55 | ||
56 | /* | |
57 | * SYNC Timer Delay definition used to set the expiry time | |
58 | */ | |
59 | #define SIERRA_NET_SYNCDELAY (2*HZ) | |
60 | ||
61 | /* Max. MTU supported. The modem buffers are limited to 1500 */ | |
62 | #define SIERRA_NET_MAX_SUPPORTED_MTU 1500 | |
63 | ||
64 | /* The SIERRA_NET_USBCTL_BUF_LEN defines a buffer size allocated for control | |
65 | * message reception ... and thus the max. received packet. | |
66 | * (May be the cause for parse_hip returning -EINVAL) | |
67 | */ | |
68 | #define SIERRA_NET_USBCTL_BUF_LEN 1024 | |
69 | ||
5aee0728 BM |
70 | /* Overriding the default usbnet rx_urb_size */ |
71 | #define SIERRA_NET_RX_URB_SIZE (8 * 1024) | |
eb4fd8cd EP |
72 | |
73 | /* Private data structure */ | |
74 | struct sierra_net_data { | |
75 | ||
eb4fd8cd EP |
76 | u16 link_up; /* air link up or down */ |
77 | u8 tx_hdr_template[4]; /* part of HIP hdr for tx'd packets */ | |
78 | ||
79 | u8 sync_msg[4]; /* SYNC message */ | |
80 | u8 shdwn_msg[4]; /* Shutdown message */ | |
81 | ||
82 | /* Backpointer to the container */ | |
83 | struct usbnet *usbnet; | |
84 | ||
85 | u8 ifnum; /* interface number */ | |
86 | ||
87 | /* Bit masks, must be a power of 2 */ | |
88 | #define SIERRA_NET_EVENT_RESP_AVAIL 0x01 | |
89 | #define SIERRA_NET_TIMER_EXPIRY 0x02 | |
90 | unsigned long kevent_flags; | |
91 | struct work_struct sierra_net_kevent; | |
92 | struct timer_list sync_timer; /* For retrying SYNC sequence */ | |
93 | }; | |
94 | ||
95 | struct param { | |
96 | int is_present; | |
97 | union { | |
98 | void *ptr; | |
99 | u32 dword; | |
100 | u16 word; | |
101 | u8 byte; | |
102 | }; | |
103 | }; | |
104 | ||
105 | /* HIP message type */ | |
106 | #define SIERRA_NET_HIP_EXTENDEDID 0x7F | |
107 | #define SIERRA_NET_HIP_HSYNC_ID 0x60 /* Modem -> host */ | |
108 | #define SIERRA_NET_HIP_RESTART_ID 0x62 /* Modem -> host */ | |
109 | #define SIERRA_NET_HIP_MSYNC_ID 0x20 /* Host -> modem */ | |
110 | #define SIERRA_NET_HIP_SHUTD_ID 0x26 /* Host -> modem */ | |
111 | ||
112 | #define SIERRA_NET_HIP_EXT_IP_IN_ID 0x0202 | |
113 | #define SIERRA_NET_HIP_EXT_IP_OUT_ID 0x0002 | |
114 | ||
115 | /* 3G UMTS Link Sense Indication definitions */ | |
116 | #define SIERRA_NET_HIP_LSI_UMTSID 0x78 | |
117 | ||
118 | /* Reverse Channel Grant Indication HIP message */ | |
119 | #define SIERRA_NET_HIP_RCGI 0x64 | |
120 | ||
121 | /* LSI Protocol types */ | |
122 | #define SIERRA_NET_PROTOCOL_UMTS 0x01 | |
5a70348e | 123 | #define SIERRA_NET_PROTOCOL_UMTS_DS 0x04 |
eb4fd8cd EP |
124 | /* LSI Coverage */ |
125 | #define SIERRA_NET_COVERAGE_NONE 0x00 | |
126 | #define SIERRA_NET_COVERAGE_NOPACKET 0x01 | |
127 | ||
128 | /* LSI Session */ | |
129 | #define SIERRA_NET_SESSION_IDLE 0x00 | |
130 | /* LSI Link types */ | |
5a70348e SB |
131 | #define SIERRA_NET_AS_LINK_TYPE_IPV4 0x00 |
132 | #define SIERRA_NET_AS_LINK_TYPE_IPV6 0x02 | |
eb4fd8cd EP |
133 | |
134 | struct lsi_umts { | |
135 | u8 protocol; | |
136 | u8 unused1; | |
137 | __be16 length; | |
138 | /* eventually use a union for the rest - assume umts for now */ | |
139 | u8 coverage; | |
5a70348e SB |
140 | u8 network_len; /* network name len */ |
141 | u8 network[40]; /* network name (UCS2, bigendian) */ | |
eb4fd8cd EP |
142 | u8 session_state; |
143 | u8 unused3[33]; | |
5a70348e SB |
144 | } __packed; |
145 | ||
146 | struct lsi_umts_single { | |
147 | struct lsi_umts lsi; | |
eb4fd8cd EP |
148 | u8 link_type; |
149 | u8 pdp_addr_len; /* NW-supplied PDP address len */ | |
150 | u8 pdp_addr[16]; /* NW-supplied PDP address (bigendian)) */ | |
151 | u8 unused4[23]; | |
152 | u8 dns1_addr_len; /* NW-supplied 1st DNS address len (bigendian) */ | |
153 | u8 dns1_addr[16]; /* NW-supplied 1st DNS address */ | |
154 | u8 dns2_addr_len; /* NW-supplied 2nd DNS address len */ | |
155 | u8 dns2_addr[16]; /* NW-supplied 2nd DNS address (bigendian)*/ | |
156 | u8 wins1_addr_len; /* NW-supplied 1st Wins address len */ | |
157 | u8 wins1_addr[16]; /* NW-supplied 1st Wins address (bigendian)*/ | |
158 | u8 wins2_addr_len; /* NW-supplied 2nd Wins address len */ | |
159 | u8 wins2_addr[16]; /* NW-supplied 2nd Wins address (bigendian) */ | |
160 | u8 unused5[4]; | |
161 | u8 gw_addr_len; /* NW-supplied GW address len */ | |
162 | u8 gw_addr[16]; /* NW-supplied GW address (bigendian) */ | |
163 | u8 reserved[8]; | |
ba2d3587 | 164 | } __packed; |
eb4fd8cd | 165 | |
5a70348e SB |
166 | struct lsi_umts_dual { |
167 | struct lsi_umts lsi; | |
168 | u8 pdp_addr4_len; /* NW-supplied PDP IPv4 address len */ | |
169 | u8 pdp_addr4[4]; /* NW-supplied PDP IPv4 address (bigendian)) */ | |
170 | u8 pdp_addr6_len; /* NW-supplied PDP IPv6 address len */ | |
171 | u8 pdp_addr6[16]; /* NW-supplied PDP IPv6 address (bigendian)) */ | |
172 | u8 unused4[23]; | |
173 | u8 dns1_addr4_len; /* NW-supplied 1st DNS v4 address len (bigendian) */ | |
174 | u8 dns1_addr4[4]; /* NW-supplied 1st DNS v4 address */ | |
175 | u8 dns1_addr6_len; /* NW-supplied 1st DNS v6 address len */ | |
176 | u8 dns1_addr6[16]; /* NW-supplied 1st DNS v6 address (bigendian)*/ | |
177 | u8 dns2_addr4_len; /* NW-supplied 2nd DNS v4 address len (bigendian) */ | |
178 | u8 dns2_addr4[4]; /* NW-supplied 2nd DNS v4 address */ | |
179 | u8 dns2_addr6_len; /* NW-supplied 2nd DNS v6 address len */ | |
180 | u8 dns2_addr6[16]; /* NW-supplied 2nd DNS v6 address (bigendian)*/ | |
181 | u8 unused5[68]; | |
182 | } __packed; | |
183 | ||
eb4fd8cd | 184 | #define SIERRA_NET_LSI_COMMON_LEN 4 |
5a70348e | 185 | #define SIERRA_NET_LSI_UMTS_LEN (sizeof(struct lsi_umts_single)) |
eb4fd8cd EP |
186 | #define SIERRA_NET_LSI_UMTS_STATUS_LEN \ |
187 | (SIERRA_NET_LSI_UMTS_LEN - SIERRA_NET_LSI_COMMON_LEN) | |
5a70348e SB |
188 | #define SIERRA_NET_LSI_UMTS_DS_LEN (sizeof(struct lsi_umts_dual)) |
189 | #define SIERRA_NET_LSI_UMTS_DS_STATUS_LEN \ | |
190 | (SIERRA_NET_LSI_UMTS_DS_LEN - SIERRA_NET_LSI_COMMON_LEN) | |
eb4fd8cd EP |
191 | |
192 | /* Forward definitions */ | |
193 | static void sierra_sync_timer(unsigned long syncdata); | |
eb4fd8cd EP |
194 | |
195 | /* Our own net device operations structure */ | |
196 | static const struct net_device_ops sierra_net_device_ops = { | |
197 | .ndo_open = usbnet_open, | |
198 | .ndo_stop = usbnet_stop, | |
199 | .ndo_start_xmit = usbnet_start_xmit, | |
200 | .ndo_tx_timeout = usbnet_tx_timeout, | |
f77f0aee | 201 | .ndo_change_mtu = usbnet_change_mtu, |
eb4fd8cd EP |
202 | .ndo_set_mac_address = eth_mac_addr, |
203 | .ndo_validate_addr = eth_validate_addr, | |
204 | }; | |
205 | ||
206 | /* get private data associated with passed in usbnet device */ | |
207 | static inline struct sierra_net_data *sierra_net_get_private(struct usbnet *dev) | |
208 | { | |
209 | return (struct sierra_net_data *)dev->data[0]; | |
210 | } | |
211 | ||
212 | /* set private data associated with passed in usbnet device */ | |
213 | static inline void sierra_net_set_private(struct usbnet *dev, | |
214 | struct sierra_net_data *priv) | |
215 | { | |
216 | dev->data[0] = (unsigned long)priv; | |
217 | } | |
218 | ||
5a70348e | 219 | /* is packet IPv4/IPv6 */ |
eb4fd8cd EP |
220 | static inline int is_ip(struct sk_buff *skb) |
221 | { | |
5a70348e SB |
222 | return skb->protocol == cpu_to_be16(ETH_P_IP) || |
223 | skb->protocol == cpu_to_be16(ETH_P_IPV6); | |
eb4fd8cd EP |
224 | } |
225 | ||
226 | /* | |
227 | * check passed in packet and make sure that: | |
228 | * - it is linear (no scatter/gather) | |
229 | * - it is ethernet (mac_header properly set) | |
230 | */ | |
231 | static int check_ethip_packet(struct sk_buff *skb, struct usbnet *dev) | |
232 | { | |
233 | skb_reset_mac_header(skb); /* ethernet header */ | |
234 | ||
235 | if (skb_is_nonlinear(skb)) { | |
236 | netdev_err(dev->net, "Non linear buffer-dropping\n"); | |
237 | return 0; | |
238 | } | |
239 | ||
240 | if (!pskb_may_pull(skb, ETH_HLEN)) | |
241 | return 0; | |
242 | skb->protocol = eth_hdr(skb)->h_proto; | |
243 | ||
244 | return 1; | |
245 | } | |
246 | ||
247 | static const u8 *save16bit(struct param *p, const u8 *datap) | |
248 | { | |
249 | p->is_present = 1; | |
250 | p->word = get_unaligned_be16(datap); | |
251 | return datap + sizeof(p->word); | |
252 | } | |
253 | ||
254 | static const u8 *save8bit(struct param *p, const u8 *datap) | |
255 | { | |
256 | p->is_present = 1; | |
257 | p->byte = *datap; | |
258 | return datap + sizeof(p->byte); | |
259 | } | |
260 | ||
261 | /*----------------------------------------------------------------------------* | |
262 | * BEGIN HIP * | |
263 | *----------------------------------------------------------------------------*/ | |
264 | /* HIP header */ | |
265 | #define SIERRA_NET_HIP_HDR_LEN 4 | |
266 | /* Extended HIP header */ | |
267 | #define SIERRA_NET_HIP_EXT_HDR_LEN 6 | |
268 | ||
269 | struct hip_hdr { | |
270 | int hdrlen; | |
271 | struct param payload_len; | |
272 | struct param msgid; | |
273 | struct param msgspecific; | |
274 | struct param extmsgid; | |
275 | }; | |
276 | ||
277 | static int parse_hip(const u8 *buf, const u32 buflen, struct hip_hdr *hh) | |
278 | { | |
279 | const u8 *curp = buf; | |
280 | int padded; | |
281 | ||
282 | if (buflen < SIERRA_NET_HIP_HDR_LEN) | |
283 | return -EPROTO; | |
284 | ||
285 | curp = save16bit(&hh->payload_len, curp); | |
286 | curp = save8bit(&hh->msgid, curp); | |
287 | curp = save8bit(&hh->msgspecific, curp); | |
288 | ||
289 | padded = hh->msgid.byte & 0x80; | |
290 | hh->msgid.byte &= 0x7F; /* 7 bits */ | |
291 | ||
292 | hh->extmsgid.is_present = (hh->msgid.byte == SIERRA_NET_HIP_EXTENDEDID); | |
293 | if (hh->extmsgid.is_present) { | |
294 | if (buflen < SIERRA_NET_HIP_EXT_HDR_LEN) | |
295 | return -EPROTO; | |
296 | ||
297 | hh->payload_len.word &= 0x3FFF; /* 14 bits */ | |
298 | ||
299 | curp = save16bit(&hh->extmsgid, curp); | |
300 | hh->extmsgid.word &= 0x03FF; /* 10 bits */ | |
301 | ||
302 | hh->hdrlen = SIERRA_NET_HIP_EXT_HDR_LEN; | |
303 | } else { | |
304 | hh->payload_len.word &= 0x07FF; /* 11 bits */ | |
305 | hh->hdrlen = SIERRA_NET_HIP_HDR_LEN; | |
306 | } | |
307 | ||
308 | if (padded) { | |
309 | hh->hdrlen++; | |
310 | hh->payload_len.word--; | |
311 | } | |
312 | ||
313 | /* if real packet shorter than the claimed length */ | |
314 | if (buflen < (hh->hdrlen + hh->payload_len.word)) | |
315 | return -EINVAL; | |
316 | ||
317 | return 0; | |
318 | } | |
319 | ||
320 | static void build_hip(u8 *buf, const u16 payloadlen, | |
321 | struct sierra_net_data *priv) | |
322 | { | |
323 | /* the following doesn't have the full functionality. We | |
324 | * currently build only one kind of header, so it is faster this way | |
325 | */ | |
326 | put_unaligned_be16(payloadlen, buf); | |
327 | memcpy(buf+2, priv->tx_hdr_template, sizeof(priv->tx_hdr_template)); | |
328 | } | |
329 | /*----------------------------------------------------------------------------* | |
330 | * END HIP * | |
331 | *----------------------------------------------------------------------------*/ | |
332 | ||
333 | static int sierra_net_send_cmd(struct usbnet *dev, | |
334 | u8 *cmd, int cmdlen, const char * cmd_name) | |
335 | { | |
336 | struct sierra_net_data *priv = sierra_net_get_private(dev); | |
337 | int status; | |
338 | ||
f7385ec9 ML |
339 | status = usbnet_write_cmd(dev, USB_CDC_SEND_ENCAPSULATED_COMMAND, |
340 | USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE, | |
341 | 0, priv->ifnum, cmd, cmdlen); | |
eb4fd8cd EP |
342 | |
343 | if (status != cmdlen && status != -ENODEV) | |
344 | netdev_err(dev->net, "Submit %s failed %d\n", cmd_name, status); | |
345 | ||
346 | return status; | |
347 | } | |
348 | ||
349 | static int sierra_net_send_sync(struct usbnet *dev) | |
350 | { | |
351 | int status; | |
352 | struct sierra_net_data *priv = sierra_net_get_private(dev); | |
353 | ||
354 | dev_dbg(&dev->udev->dev, "%s", __func__); | |
355 | ||
356 | status = sierra_net_send_cmd(dev, priv->sync_msg, | |
357 | sizeof(priv->sync_msg), "SYNC"); | |
358 | ||
359 | return status; | |
360 | } | |
361 | ||
362 | static void sierra_net_set_ctx_index(struct sierra_net_data *priv, u8 ctx_ix) | |
363 | { | |
364 | dev_dbg(&(priv->usbnet->udev->dev), "%s %d", __func__, ctx_ix); | |
365 | priv->tx_hdr_template[0] = 0x3F; | |
366 | priv->tx_hdr_template[1] = ctx_ix; | |
a932657f | 367 | *((__be16 *)&priv->tx_hdr_template[2]) = |
eb4fd8cd EP |
368 | cpu_to_be16(SIERRA_NET_HIP_EXT_IP_OUT_ID); |
369 | } | |
370 | ||
371 | static inline int sierra_net_is_valid_addrlen(u8 len) | |
372 | { | |
807540ba | 373 | return len == sizeof(struct in_addr); |
eb4fd8cd EP |
374 | } |
375 | ||
376 | static int sierra_net_parse_lsi(struct usbnet *dev, char *data, int datalen) | |
377 | { | |
378 | struct lsi_umts *lsi = (struct lsi_umts *)data; | |
5a70348e | 379 | u32 expected_length; |
eb4fd8cd | 380 | |
5a70348e | 381 | if (datalen < sizeof(struct lsi_umts_single)) { |
5b5e0928 | 382 | netdev_err(dev->net, "%s: Data length %d, exp >= %zu\n", |
5a70348e | 383 | __func__, datalen, sizeof(struct lsi_umts_single)); |
eb4fd8cd EP |
384 | return -1; |
385 | } | |
386 | ||
764895d3 SB |
387 | /* Validate the session state */ |
388 | if (lsi->session_state == SIERRA_NET_SESSION_IDLE) { | |
389 | netdev_err(dev->net, "Session idle, 0x%02x\n", | |
390 | lsi->session_state); | |
391 | return 0; | |
392 | } | |
393 | ||
eb4fd8cd | 394 | /* Validate the protocol - only support UMTS for now */ |
5a70348e SB |
395 | if (lsi->protocol == SIERRA_NET_PROTOCOL_UMTS) { |
396 | struct lsi_umts_single *single = (struct lsi_umts_single *)lsi; | |
397 | ||
398 | /* Validate the link type */ | |
399 | if (single->link_type != SIERRA_NET_AS_LINK_TYPE_IPV4 && | |
400 | single->link_type != SIERRA_NET_AS_LINK_TYPE_IPV6) { | |
401 | netdev_err(dev->net, "Link type unsupported: 0x%02x\n", | |
402 | single->link_type); | |
403 | return -1; | |
404 | } | |
405 | expected_length = SIERRA_NET_LSI_UMTS_STATUS_LEN; | |
406 | } else if (lsi->protocol == SIERRA_NET_PROTOCOL_UMTS_DS) { | |
407 | expected_length = SIERRA_NET_LSI_UMTS_DS_STATUS_LEN; | |
408 | } else { | |
eb4fd8cd | 409 | netdev_err(dev->net, "Protocol unsupported, 0x%02x\n", |
5a70348e | 410 | lsi->protocol); |
eb4fd8cd EP |
411 | return -1; |
412 | } | |
413 | ||
5a70348e SB |
414 | if (be16_to_cpu(lsi->length) != expected_length) { |
415 | netdev_err(dev->net, "%s: LSI_UMTS_STATUS_LEN %d, exp %u\n", | |
416 | __func__, be16_to_cpu(lsi->length), expected_length); | |
eb4fd8cd EP |
417 | return -1; |
418 | } | |
419 | ||
420 | /* Validate the coverage */ | |
5a70348e SB |
421 | if (lsi->coverage == SIERRA_NET_COVERAGE_NONE || |
422 | lsi->coverage == SIERRA_NET_COVERAGE_NOPACKET) { | |
eb4fd8cd EP |
423 | netdev_err(dev->net, "No coverage, 0x%02x\n", lsi->coverage); |
424 | return 0; | |
425 | } | |
426 | ||
eb4fd8cd EP |
427 | /* Set link_sense true */ |
428 | return 1; | |
429 | } | |
430 | ||
431 | static void sierra_net_handle_lsi(struct usbnet *dev, char *data, | |
432 | struct hip_hdr *hh) | |
433 | { | |
434 | struct sierra_net_data *priv = sierra_net_get_private(dev); | |
435 | int link_up; | |
436 | ||
437 | link_up = sierra_net_parse_lsi(dev, data + hh->hdrlen, | |
438 | hh->payload_len.word); | |
439 | if (link_up < 0) { | |
440 | netdev_err(dev->net, "Invalid LSI\n"); | |
441 | return; | |
442 | } | |
443 | if (link_up) { | |
444 | sierra_net_set_ctx_index(priv, hh->msgspecific.byte); | |
445 | priv->link_up = 1; | |
eb4fd8cd EP |
446 | } else { |
447 | priv->link_up = 0; | |
eb4fd8cd | 448 | } |
9ef2c441 | 449 | usbnet_link_change(dev, link_up, 0); |
eb4fd8cd EP |
450 | } |
451 | ||
452 | static void sierra_net_dosync(struct usbnet *dev) | |
453 | { | |
454 | int status; | |
455 | struct sierra_net_data *priv = sierra_net_get_private(dev); | |
456 | ||
457 | dev_dbg(&dev->udev->dev, "%s", __func__); | |
458 | ||
7b0c5f21 DW |
459 | /* The SIERRA_NET_HIP_MSYNC_ID command appears to request that the |
460 | * firmware restart itself. After restarting, the modem will respond | |
461 | * with the SIERRA_NET_HIP_RESTART_ID indication. The driver continues | |
462 | * sending MSYNC commands every few seconds until it receives the | |
463 | * RESTART event from the firmware | |
464 | */ | |
465 | ||
eb4fd8cd EP |
466 | /* tell modem we are ready */ |
467 | status = sierra_net_send_sync(dev); | |
468 | if (status < 0) | |
469 | netdev_err(dev->net, | |
470 | "Send SYNC failed, status %d\n", status); | |
471 | status = sierra_net_send_sync(dev); | |
472 | if (status < 0) | |
473 | netdev_err(dev->net, | |
474 | "Send SYNC failed, status %d\n", status); | |
475 | ||
476 | /* Now, start a timer and make sure we get the Restart Indication */ | |
477 | priv->sync_timer.function = sierra_sync_timer; | |
478 | priv->sync_timer.data = (unsigned long) dev; | |
479 | priv->sync_timer.expires = jiffies + SIERRA_NET_SYNCDELAY; | |
480 | add_timer(&priv->sync_timer); | |
481 | } | |
482 | ||
483 | static void sierra_net_kevent(struct work_struct *work) | |
484 | { | |
485 | struct sierra_net_data *priv = | |
486 | container_of(work, struct sierra_net_data, sierra_net_kevent); | |
487 | struct usbnet *dev = priv->usbnet; | |
488 | int len; | |
489 | int err; | |
490 | u8 *buf; | |
491 | u8 ifnum; | |
492 | ||
493 | if (test_bit(SIERRA_NET_EVENT_RESP_AVAIL, &priv->kevent_flags)) { | |
494 | clear_bit(SIERRA_NET_EVENT_RESP_AVAIL, &priv->kevent_flags); | |
495 | ||
496 | /* Query the modem for the LSI message */ | |
497 | buf = kzalloc(SIERRA_NET_USBCTL_BUF_LEN, GFP_KERNEL); | |
38673c82 | 498 | if (!buf) |
eb4fd8cd | 499 | return; |
38673c82 | 500 | |
eb4fd8cd EP |
501 | ifnum = priv->ifnum; |
502 | len = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), | |
503 | USB_CDC_GET_ENCAPSULATED_RESPONSE, | |
504 | USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE, | |
505 | 0, ifnum, buf, SIERRA_NET_USBCTL_BUF_LEN, | |
506 | USB_CTRL_SET_TIMEOUT); | |
507 | ||
508 | if (len < 0) { | |
509 | netdev_err(dev->net, | |
510 | "usb_control_msg failed, status %d\n", len); | |
511 | } else { | |
512 | struct hip_hdr hh; | |
513 | ||
514 | dev_dbg(&dev->udev->dev, "%s: Received status message," | |
515 | " %04x bytes", __func__, len); | |
516 | ||
517 | err = parse_hip(buf, len, &hh); | |
518 | if (err) { | |
519 | netdev_err(dev->net, "%s: Bad packet," | |
520 | " parse result %d\n", __func__, err); | |
521 | kfree(buf); | |
522 | return; | |
523 | } | |
524 | ||
525 | /* Validate packet length */ | |
526 | if (len != hh.hdrlen + hh.payload_len.word) { | |
527 | netdev_err(dev->net, "%s: Bad packet, received" | |
528 | " %d, expected %d\n", __func__, len, | |
529 | hh.hdrlen + hh.payload_len.word); | |
530 | kfree(buf); | |
531 | return; | |
532 | } | |
533 | ||
534 | /* Switch on received message types */ | |
535 | switch (hh.msgid.byte) { | |
536 | case SIERRA_NET_HIP_LSI_UMTSID: | |
537 | dev_dbg(&dev->udev->dev, "LSI for ctx:%d", | |
538 | hh.msgspecific.byte); | |
539 | sierra_net_handle_lsi(dev, buf, &hh); | |
540 | break; | |
541 | case SIERRA_NET_HIP_RESTART_ID: | |
542 | dev_dbg(&dev->udev->dev, "Restart reported: %d," | |
543 | " stopping sync timer", | |
544 | hh.msgspecific.byte); | |
545 | /* Got sync resp - stop timer & clear mask */ | |
546 | del_timer_sync(&priv->sync_timer); | |
547 | clear_bit(SIERRA_NET_TIMER_EXPIRY, | |
548 | &priv->kevent_flags); | |
549 | break; | |
550 | case SIERRA_NET_HIP_HSYNC_ID: | |
551 | dev_dbg(&dev->udev->dev, "SYNC received"); | |
552 | err = sierra_net_send_sync(dev); | |
553 | if (err < 0) | |
554 | netdev_err(dev->net, | |
555 | "Send SYNC failed %d\n", err); | |
556 | break; | |
557 | case SIERRA_NET_HIP_EXTENDEDID: | |
558 | netdev_err(dev->net, "Unrecognized HIP msg, " | |
559 | "extmsgid 0x%04x\n", hh.extmsgid.word); | |
560 | break; | |
561 | case SIERRA_NET_HIP_RCGI: | |
562 | /* Ignored */ | |
563 | break; | |
564 | default: | |
565 | netdev_err(dev->net, "Unrecognized HIP msg, " | |
566 | "msgid 0x%02x\n", hh.msgid.byte); | |
567 | break; | |
568 | } | |
569 | } | |
570 | kfree(buf); | |
571 | } | |
572 | /* The sync timer bit might be set */ | |
573 | if (test_bit(SIERRA_NET_TIMER_EXPIRY, &priv->kevent_flags)) { | |
574 | clear_bit(SIERRA_NET_TIMER_EXPIRY, &priv->kevent_flags); | |
575 | dev_dbg(&dev->udev->dev, "Deferred sync timer expiry"); | |
576 | sierra_net_dosync(priv->usbnet); | |
577 | } | |
578 | ||
579 | if (priv->kevent_flags) | |
580 | dev_dbg(&dev->udev->dev, "sierra_net_kevent done, " | |
581 | "kevent_flags = 0x%lx", priv->kevent_flags); | |
582 | } | |
583 | ||
584 | static void sierra_net_defer_kevent(struct usbnet *dev, int work) | |
585 | { | |
586 | struct sierra_net_data *priv = sierra_net_get_private(dev); | |
587 | ||
588 | set_bit(work, &priv->kevent_flags); | |
589 | schedule_work(&priv->sierra_net_kevent); | |
590 | } | |
591 | ||
592 | /* | |
593 | * Sync Retransmit Timer Handler. On expiry, kick the work queue | |
594 | */ | |
9625e5fa | 595 | static void sierra_sync_timer(unsigned long syncdata) |
eb4fd8cd EP |
596 | { |
597 | struct usbnet *dev = (struct usbnet *)syncdata; | |
598 | ||
599 | dev_dbg(&dev->udev->dev, "%s", __func__); | |
600 | /* Kick the tasklet */ | |
601 | sierra_net_defer_kevent(dev, SIERRA_NET_TIMER_EXPIRY); | |
602 | } | |
603 | ||
604 | static void sierra_net_status(struct usbnet *dev, struct urb *urb) | |
605 | { | |
606 | struct usb_cdc_notification *event; | |
607 | ||
608 | dev_dbg(&dev->udev->dev, "%s", __func__); | |
609 | ||
610 | if (urb->actual_length < sizeof *event) | |
611 | return; | |
612 | ||
613 | /* Add cases to handle other standard notifications. */ | |
614 | event = urb->transfer_buffer; | |
615 | switch (event->bNotificationType) { | |
616 | case USB_CDC_NOTIFY_NETWORK_CONNECTION: | |
617 | case USB_CDC_NOTIFY_SPEED_CHANGE: | |
618 | /* USB 305 sends those */ | |
619 | break; | |
620 | case USB_CDC_NOTIFY_RESPONSE_AVAILABLE: | |
621 | sierra_net_defer_kevent(dev, SIERRA_NET_EVENT_RESP_AVAIL); | |
622 | break; | |
623 | default: | |
624 | netdev_err(dev->net, ": unexpected notification %02x!\n", | |
625 | event->bNotificationType); | |
626 | break; | |
627 | } | |
628 | } | |
629 | ||
630 | static void sierra_net_get_drvinfo(struct net_device *net, | |
631 | struct ethtool_drvinfo *info) | |
632 | { | |
633 | /* Inherit standard device info */ | |
634 | usbnet_get_drvinfo(net, info); | |
7826d43f JP |
635 | strlcpy(info->driver, driver_name, sizeof(info->driver)); |
636 | strlcpy(info->version, DRIVER_VERSION, sizeof(info->version)); | |
eb4fd8cd EP |
637 | } |
638 | ||
639 | static u32 sierra_net_get_link(struct net_device *net) | |
640 | { | |
641 | struct usbnet *dev = netdev_priv(net); | |
642 | /* Report link is down whenever the interface is down */ | |
643 | return sierra_net_get_private(dev)->link_up && netif_running(net); | |
644 | } | |
645 | ||
bc689c97 | 646 | static const struct ethtool_ops sierra_net_ethtool_ops = { |
eb4fd8cd EP |
647 | .get_drvinfo = sierra_net_get_drvinfo, |
648 | .get_link = sierra_net_get_link, | |
649 | .get_msglevel = usbnet_get_msglevel, | |
650 | .set_msglevel = usbnet_set_msglevel, | |
651 | .get_settings = usbnet_get_settings, | |
652 | .set_settings = usbnet_set_settings, | |
653 | .nway_reset = usbnet_nway_reset, | |
654 | }; | |
655 | ||
eb4fd8cd EP |
656 | static int sierra_net_get_fw_attr(struct usbnet *dev, u16 *datap) |
657 | { | |
658 | int result = 0; | |
a932657f | 659 | __le16 attrdata; |
f7385ec9 ML |
660 | |
661 | result = usbnet_read_cmd(dev, | |
662 | /* _u8 vendor specific request */ | |
663 | SWI_USB_REQUEST_GET_FW_ATTR, | |
664 | USB_DIR_IN | USB_TYPE_VENDOR, /* __u8 request type */ | |
665 | 0x0000, /* __u16 value not used */ | |
666 | 0x0000, /* __u16 index not used */ | |
667 | &attrdata, /* char *data */ | |
668 | sizeof(attrdata) /* __u16 size */ | |
669 | ); | |
670 | ||
671 | if (result < 0) | |
eb4fd8cd | 672 | return -EIO; |
eb4fd8cd | 673 | |
f7385ec9 | 674 | *datap = le16_to_cpu(attrdata); |
eb4fd8cd EP |
675 | return result; |
676 | } | |
677 | ||
678 | /* | |
679 | * collects the bulk endpoints, the status endpoint. | |
680 | */ | |
681 | static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf) | |
682 | { | |
683 | u8 ifacenum; | |
684 | u8 numendpoints; | |
685 | u16 fwattr = 0; | |
686 | int status; | |
eb4fd8cd EP |
687 | struct sierra_net_data *priv; |
688 | static const u8 sync_tmplate[sizeof(priv->sync_msg)] = { | |
689 | 0x00, 0x00, SIERRA_NET_HIP_MSYNC_ID, 0x00}; | |
690 | static const u8 shdwn_tmplate[sizeof(priv->shdwn_msg)] = { | |
691 | 0x00, 0x00, SIERRA_NET_HIP_SHUTD_ID, 0x00}; | |
692 | ||
eb4fd8cd EP |
693 | dev_dbg(&dev->udev->dev, "%s", __func__); |
694 | ||
695 | ifacenum = intf->cur_altsetting->desc.bInterfaceNumber; | |
eb4fd8cd EP |
696 | numendpoints = intf->cur_altsetting->desc.bNumEndpoints; |
697 | /* We have three endpoints, bulk in and out, and a status */ | |
698 | if (numendpoints != 3) { | |
699 | dev_err(&dev->udev->dev, "Expected 3 endpoints, found: %d", | |
700 | numendpoints); | |
701 | return -ENODEV; | |
702 | } | |
703 | /* Status endpoint set in usbnet_get_endpoints() */ | |
704 | dev->status = NULL; | |
705 | status = usbnet_get_endpoints(dev, intf); | |
706 | if (status < 0) { | |
707 | dev_err(&dev->udev->dev, "Error in usbnet_get_endpoints (%d)", | |
708 | status); | |
709 | return -ENODEV; | |
710 | } | |
711 | /* Initialize sierra private data */ | |
712 | priv = kzalloc(sizeof *priv, GFP_KERNEL); | |
38673c82 | 713 | if (!priv) |
eb4fd8cd | 714 | return -ENOMEM; |
eb4fd8cd EP |
715 | |
716 | priv->usbnet = dev; | |
717 | priv->ifnum = ifacenum; | |
718 | dev->net->netdev_ops = &sierra_net_device_ops; | |
719 | ||
720 | /* change MAC addr to include, ifacenum, and to be unique */ | |
721 | dev->net->dev_addr[ETH_ALEN-2] = atomic_inc_return(&iface_counter); | |
722 | dev->net->dev_addr[ETH_ALEN-1] = ifacenum; | |
723 | ||
eb4fd8cd EP |
724 | /* prepare shutdown message template */ |
725 | memcpy(priv->shdwn_msg, shdwn_tmplate, sizeof(priv->shdwn_msg)); | |
726 | /* set context index initially to 0 - prepares tx hdr template */ | |
727 | sierra_net_set_ctx_index(priv, 0); | |
728 | ||
7b0c5f21 DW |
729 | /* prepare sync message template */ |
730 | memcpy(priv->sync_msg, sync_tmplate, sizeof(priv->sync_msg)); | |
731 | ||
eb4fd8cd | 732 | /* decrease the rx_urb_size and max_tx_size to 4k on USB 1.1 */ |
5aee0728 | 733 | dev->rx_urb_size = SIERRA_NET_RX_URB_SIZE; |
eb4fd8cd | 734 | if (dev->udev->speed != USB_SPEED_HIGH) |
5aee0728 | 735 | dev->rx_urb_size = min_t(size_t, 4096, SIERRA_NET_RX_URB_SIZE); |
eb4fd8cd EP |
736 | |
737 | dev->net->hard_header_len += SIERRA_NET_HIP_EXT_HDR_LEN; | |
738 | dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; | |
f77f0aee | 739 | dev->net->max_mtu = SIERRA_NET_MAX_SUPPORTED_MTU; |
eb4fd8cd EP |
740 | |
741 | /* Set up the netdev */ | |
742 | dev->net->flags |= IFF_NOARP; | |
743 | dev->net->ethtool_ops = &sierra_net_ethtool_ops; | |
744 | netif_carrier_off(dev->net); | |
745 | ||
746 | sierra_net_set_private(dev, priv); | |
747 | ||
748 | priv->kevent_flags = 0; | |
749 | ||
750 | /* Use the shared workqueue */ | |
751 | INIT_WORK(&priv->sierra_net_kevent, sierra_net_kevent); | |
752 | ||
753 | /* Only need to do this once */ | |
754 | init_timer(&priv->sync_timer); | |
755 | ||
756 | /* verify fw attributes */ | |
757 | status = sierra_net_get_fw_attr(dev, &fwattr); | |
758 | dev_dbg(&dev->udev->dev, "Fw attr: %x\n", fwattr); | |
759 | ||
760 | /* test whether firmware supports DHCP */ | |
761 | if (!(status == sizeof(fwattr) && (fwattr & SWI_GET_FW_ATTR_MASK))) { | |
762 | /* found incompatible firmware version */ | |
763 | dev_err(&dev->udev->dev, "Incompatible driver and firmware" | |
764 | " versions\n"); | |
765 | kfree(priv); | |
766 | return -ENODEV; | |
767 | } | |
6f1464bf | 768 | |
eb4fd8cd EP |
769 | return 0; |
770 | } | |
771 | ||
772 | static void sierra_net_unbind(struct usbnet *dev, struct usb_interface *intf) | |
773 | { | |
774 | int status; | |
775 | struct sierra_net_data *priv = sierra_net_get_private(dev); | |
776 | ||
777 | dev_dbg(&dev->udev->dev, "%s", __func__); | |
778 | ||
23f333a2 | 779 | /* kill the timer and work */ |
eb4fd8cd | 780 | del_timer_sync(&priv->sync_timer); |
23f333a2 | 781 | cancel_work_sync(&priv->sierra_net_kevent); |
eb4fd8cd EP |
782 | |
783 | /* tell modem we are going away */ | |
784 | status = sierra_net_send_cmd(dev, priv->shdwn_msg, | |
785 | sizeof(priv->shdwn_msg), "Shutdown"); | |
786 | if (status < 0) | |
787 | netdev_err(dev->net, | |
788 | "usb_control_msg failed, status %d\n", status); | |
789 | ||
7b0c5f21 | 790 | usbnet_status_stop(dev); |
eb4fd8cd | 791 | |
7b0c5f21 | 792 | sierra_net_set_private(dev, NULL); |
eb4fd8cd EP |
793 | kfree(priv); |
794 | } | |
795 | ||
796 | static struct sk_buff *sierra_net_skb_clone(struct usbnet *dev, | |
797 | struct sk_buff *skb, int len) | |
798 | { | |
799 | struct sk_buff *new_skb; | |
800 | ||
801 | /* clone skb */ | |
802 | new_skb = skb_clone(skb, GFP_ATOMIC); | |
803 | ||
804 | /* remove len bytes from original */ | |
805 | skb_pull(skb, len); | |
806 | ||
807 | /* trim next packet to it's length */ | |
808 | if (new_skb) { | |
809 | skb_trim(new_skb, len); | |
810 | } else { | |
811 | if (netif_msg_rx_err(dev)) | |
812 | netdev_err(dev->net, "failed to get skb\n"); | |
813 | dev->net->stats.rx_dropped++; | |
814 | } | |
815 | ||
816 | return new_skb; | |
817 | } | |
818 | ||
819 | /* ---------------------------- Receive data path ----------------------*/ | |
820 | static int sierra_net_rx_fixup(struct usbnet *dev, struct sk_buff *skb) | |
821 | { | |
822 | int err; | |
823 | struct hip_hdr hh; | |
824 | struct sk_buff *new_skb; | |
825 | ||
826 | dev_dbg(&dev->udev->dev, "%s", __func__); | |
827 | ||
828 | /* could contain multiple packets */ | |
829 | while (likely(skb->len)) { | |
830 | err = parse_hip(skb->data, skb->len, &hh); | |
831 | if (err) { | |
832 | if (netif_msg_rx_err(dev)) | |
833 | netdev_err(dev->net, "Invalid HIP header %d\n", | |
834 | err); | |
835 | /* dev->net->stats.rx_errors incremented by caller */ | |
836 | dev->net->stats.rx_length_errors++; | |
837 | return 0; | |
838 | } | |
839 | ||
840 | /* Validate Extended HIP header */ | |
841 | if (!hh.extmsgid.is_present | |
842 | || hh.extmsgid.word != SIERRA_NET_HIP_EXT_IP_IN_ID) { | |
843 | if (netif_msg_rx_err(dev)) | |
844 | netdev_err(dev->net, "HIP/ETH: Invalid pkt\n"); | |
845 | ||
846 | dev->net->stats.rx_frame_errors++; | |
e966c8ec | 847 | /* dev->net->stats.rx_errors incremented by caller */ |
eb4fd8cd EP |
848 | return 0; |
849 | } | |
850 | ||
851 | skb_pull(skb, hh.hdrlen); | |
852 | ||
5a70348e SB |
853 | /* We are going to accept this packet, prepare it. |
854 | * In case protocol is IPv6, keep it, otherwise force IPv4. | |
855 | */ | |
856 | skb_reset_mac_header(skb); | |
857 | if (eth_hdr(skb)->h_proto != cpu_to_be16(ETH_P_IPV6)) | |
858 | eth_hdr(skb)->h_proto = cpu_to_be16(ETH_P_IP); | |
859 | eth_zero_addr(eth_hdr(skb)->h_source); | |
860 | memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN); | |
eb4fd8cd EP |
861 | |
862 | /* Last packet in batch handled by usbnet */ | |
863 | if (hh.payload_len.word == skb->len) | |
864 | return 1; | |
865 | ||
866 | new_skb = sierra_net_skb_clone(dev, skb, hh.payload_len.word); | |
867 | if (new_skb) | |
868 | usbnet_skb_return(dev, new_skb); | |
869 | ||
870 | } /* while */ | |
871 | ||
872 | return 0; | |
873 | } | |
874 | ||
875 | /* ---------------------------- Transmit data path ----------------------*/ | |
9625e5fa BM |
876 | static struct sk_buff *sierra_net_tx_fixup(struct usbnet *dev, |
877 | struct sk_buff *skb, gfp_t flags) | |
eb4fd8cd EP |
878 | { |
879 | struct sierra_net_data *priv = sierra_net_get_private(dev); | |
880 | u16 len; | |
881 | bool need_tail; | |
882 | ||
d632eb1b GKH |
883 | BUILD_BUG_ON(FIELD_SIZEOF(struct usbnet, data) |
884 | < sizeof(struct cdc_state)); | |
885 | ||
eb4fd8cd EP |
886 | dev_dbg(&dev->udev->dev, "%s", __func__); |
887 | if (priv->link_up && check_ethip_packet(skb, dev) && is_ip(skb)) { | |
888 | /* enough head room as is? */ | |
889 | if (SIERRA_NET_HIP_EXT_HDR_LEN <= skb_headroom(skb)) { | |
890 | /* Save the Eth/IP length and set up HIP hdr */ | |
891 | len = skb->len; | |
892 | skb_push(skb, SIERRA_NET_HIP_EXT_HDR_LEN); | |
893 | /* Handle ZLP issue */ | |
894 | need_tail = ((len + SIERRA_NET_HIP_EXT_HDR_LEN) | |
895 | % dev->maxpacket == 0); | |
896 | if (need_tail) { | |
897 | if (unlikely(skb_tailroom(skb) == 0)) { | |
898 | netdev_err(dev->net, "tx_fixup:" | |
899 | "no room for packet\n"); | |
900 | dev_kfree_skb_any(skb); | |
901 | return NULL; | |
902 | } else { | |
903 | skb->data[skb->len] = 0; | |
904 | __skb_put(skb, 1); | |
905 | len = len + 1; | |
906 | } | |
907 | } | |
908 | build_hip(skb->data, len, priv); | |
909 | return skb; | |
910 | } else { | |
911 | /* | |
912 | * compensate in the future if necessary | |
913 | */ | |
914 | netdev_err(dev->net, "tx_fixup: no room for HIP\n"); | |
915 | } /* headroom */ | |
916 | } | |
917 | ||
918 | if (!priv->link_up) | |
919 | dev->net->stats.tx_carrier_errors++; | |
920 | ||
921 | /* tx_dropped incremented by usbnet */ | |
922 | ||
923 | /* filter the packet out, release it */ | |
924 | dev_kfree_skb_any(skb); | |
925 | return NULL; | |
926 | } | |
927 | ||
dd03cff2 | 928 | static const struct driver_info sierra_net_info_direct_ip = { |
eb4fd8cd EP |
929 | .description = "Sierra Wireless USB-to-WWAN Modem", |
930 | .flags = FLAG_WWAN | FLAG_SEND_ZLP, | |
931 | .bind = sierra_net_bind, | |
932 | .unbind = sierra_net_unbind, | |
933 | .status = sierra_net_status, | |
934 | .rx_fixup = sierra_net_rx_fixup, | |
935 | .tx_fixup = sierra_net_tx_fixup, | |
eb4fd8cd EP |
936 | }; |
937 | ||
7b0c5f21 DW |
938 | static int |
939 | sierra_net_probe(struct usb_interface *udev, const struct usb_device_id *prod) | |
940 | { | |
941 | int ret; | |
942 | ||
943 | ret = usbnet_probe(udev, prod); | |
944 | if (ret == 0) { | |
945 | struct usbnet *dev = usb_get_intfdata(udev); | |
946 | ||
947 | ret = usbnet_status_start(dev, GFP_KERNEL); | |
948 | if (ret == 0) { | |
949 | /* Interrupt URB now set up; initiate sync sequence */ | |
950 | sierra_net_dosync(dev); | |
951 | } | |
952 | } | |
953 | return ret; | |
954 | } | |
955 | ||
aefe5c00 BM |
956 | #define DIRECT_IP_DEVICE(vend, prod) \ |
957 | {USB_DEVICE_INTERFACE_NUMBER(vend, prod, 7), \ | |
958 | .driver_info = (unsigned long)&sierra_net_info_direct_ip}, \ | |
959 | {USB_DEVICE_INTERFACE_NUMBER(vend, prod, 10), \ | |
960 | .driver_info = (unsigned long)&sierra_net_info_direct_ip}, \ | |
961 | {USB_DEVICE_INTERFACE_NUMBER(vend, prod, 11), \ | |
962 | .driver_info = (unsigned long)&sierra_net_info_direct_ip} | |
963 | ||
eb4fd8cd | 964 | static const struct usb_device_id products[] = { |
aefe5c00 BM |
965 | DIRECT_IP_DEVICE(0x1199, 0x68A3), /* Sierra Wireless USB-to-WWAN modem */ |
966 | DIRECT_IP_DEVICE(0x0F3D, 0x68A3), /* AT&T Direct IP modem */ | |
967 | DIRECT_IP_DEVICE(0x1199, 0x68AA), /* Sierra Wireless Direct IP LTE modem */ | |
968 | DIRECT_IP_DEVICE(0x0F3D, 0x68AA), /* AT&T Direct IP LTE modem */ | |
eb4fd8cd EP |
969 | |
970 | {}, /* last item */ | |
971 | }; | |
972 | MODULE_DEVICE_TABLE(usb, products); | |
973 | ||
974 | /* We are based on usbnet, so let it handle the USB driver specifics */ | |
975 | static struct usb_driver sierra_net_driver = { | |
976 | .name = "sierra_net", | |
977 | .id_table = products, | |
7b0c5f21 | 978 | .probe = sierra_net_probe, |
eb4fd8cd EP |
979 | .disconnect = usbnet_disconnect, |
980 | .suspend = usbnet_suspend, | |
981 | .resume = usbnet_resume, | |
982 | .no_dynamic_id = 1, | |
e1f12eb6 | 983 | .disable_hub_initiated_lpm = 1, |
eb4fd8cd EP |
984 | }; |
985 | ||
d632eb1b | 986 | module_usb_driver(sierra_net_driver); |
eb4fd8cd EP |
987 | |
988 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
989 | MODULE_DESCRIPTION(DRIVER_DESC); | |
990 | MODULE_VERSION(DRIVER_VERSION); | |
991 | MODULE_LICENSE("GPL"); |