Commit | Line | Data |
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8e87d142 | 1 | /* |
1da177e4 LT |
2 | CMTP implementation for Linux Bluetooth stack (BlueZ). |
3 | Copyright (C) 2002-2003 Marcel Holtmann <marcel@holtmann.org> | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License version 2 as | |
7 | published by the Free Software Foundation; | |
8 | ||
9 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
10 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
11 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. | |
12 | IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY | |
8e87d142 YH |
13 | CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES |
14 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
15 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
1da177e4 LT |
16 | OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
17 | ||
8e87d142 YH |
18 | ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
19 | COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS | |
1da177e4 LT |
20 | SOFTWARE IS DISCLAIMED. |
21 | */ | |
22 | ||
1da177e4 LT |
23 | #include <linux/module.h> |
24 | ||
25 | #include <linux/types.h> | |
26 | #include <linux/errno.h> | |
27 | #include <linux/kernel.h> | |
1da177e4 LT |
28 | #include <linux/sched.h> |
29 | #include <linux/slab.h> | |
30 | #include <linux/poll.h> | |
31 | #include <linux/fcntl.h> | |
32 | #include <linux/skbuff.h> | |
33 | #include <linux/socket.h> | |
34 | #include <linux/ioctl.h> | |
35 | #include <linux/file.h> | |
36 | #include <linux/wait.h> | |
37 | #include <net/sock.h> | |
38 | ||
39 | #include <linux/isdn/capilli.h> | |
40 | #include <linux/isdn/capicmd.h> | |
41 | #include <linux/isdn/capiutil.h> | |
42 | ||
43 | #include "cmtp.h" | |
44 | ||
45 | #ifndef CONFIG_BT_CMTP_DEBUG | |
46 | #undef BT_DBG | |
47 | #define BT_DBG(D...) | |
48 | #endif | |
49 | ||
50 | #define CAPI_INTEROPERABILITY 0x20 | |
51 | ||
52 | #define CAPI_INTEROPERABILITY_REQ CAPICMD(CAPI_INTEROPERABILITY, CAPI_REQ) | |
53 | #define CAPI_INTEROPERABILITY_CONF CAPICMD(CAPI_INTEROPERABILITY, CAPI_CONF) | |
54 | #define CAPI_INTEROPERABILITY_IND CAPICMD(CAPI_INTEROPERABILITY, CAPI_IND) | |
55 | #define CAPI_INTEROPERABILITY_RESP CAPICMD(CAPI_INTEROPERABILITY, CAPI_RESP) | |
56 | ||
57 | #define CAPI_INTEROPERABILITY_REQ_LEN (CAPI_MSG_BASELEN + 2) | |
58 | #define CAPI_INTEROPERABILITY_CONF_LEN (CAPI_MSG_BASELEN + 4) | |
59 | #define CAPI_INTEROPERABILITY_IND_LEN (CAPI_MSG_BASELEN + 2) | |
60 | #define CAPI_INTEROPERABILITY_RESP_LEN (CAPI_MSG_BASELEN + 2) | |
61 | ||
62 | #define CAPI_FUNCTION_REGISTER 0 | |
63 | #define CAPI_FUNCTION_RELEASE 1 | |
64 | #define CAPI_FUNCTION_GET_PROFILE 2 | |
65 | #define CAPI_FUNCTION_GET_MANUFACTURER 3 | |
66 | #define CAPI_FUNCTION_GET_VERSION 4 | |
67 | #define CAPI_FUNCTION_GET_SERIAL_NUMBER 5 | |
68 | #define CAPI_FUNCTION_MANUFACTURER 6 | |
69 | #define CAPI_FUNCTION_LOOPBACK 7 | |
70 | ||
71 | ||
72 | #define CMTP_MSGNUM 1 | |
73 | #define CMTP_APPLID 2 | |
74 | #define CMTP_MAPPING 3 | |
75 | ||
76 | static struct cmtp_application *cmtp_application_add(struct cmtp_session *session, __u16 appl) | |
77 | { | |
25ea6db0 | 78 | struct cmtp_application *app = kzalloc(sizeof(*app), GFP_KERNEL); |
1da177e4 LT |
79 | |
80 | BT_DBG("session %p application %p appl %d", session, app, appl); | |
81 | ||
82 | if (!app) | |
83 | return NULL; | |
84 | ||
1da177e4 LT |
85 | app->state = BT_OPEN; |
86 | app->appl = appl; | |
87 | ||
88 | list_add_tail(&app->list, &session->applications); | |
89 | ||
90 | return app; | |
91 | } | |
92 | ||
93 | static void cmtp_application_del(struct cmtp_session *session, struct cmtp_application *app) | |
94 | { | |
95 | BT_DBG("session %p application %p", session, app); | |
96 | ||
97 | if (app) { | |
98 | list_del(&app->list); | |
99 | kfree(app); | |
100 | } | |
101 | } | |
102 | ||
103 | static struct cmtp_application *cmtp_application_get(struct cmtp_session *session, int pattern, __u16 value) | |
104 | { | |
105 | struct cmtp_application *app; | |
106 | struct list_head *p, *n; | |
107 | ||
108 | list_for_each_safe(p, n, &session->applications) { | |
109 | app = list_entry(p, struct cmtp_application, list); | |
110 | switch (pattern) { | |
111 | case CMTP_MSGNUM: | |
112 | if (app->msgnum == value) | |
113 | return app; | |
114 | break; | |
115 | case CMTP_APPLID: | |
116 | if (app->appl == value) | |
117 | return app; | |
118 | break; | |
119 | case CMTP_MAPPING: | |
120 | if (app->mapping == value) | |
121 | return app; | |
122 | break; | |
123 | } | |
124 | } | |
125 | ||
126 | return NULL; | |
127 | } | |
128 | ||
129 | static int cmtp_msgnum_get(struct cmtp_session *session) | |
130 | { | |
131 | session->msgnum++; | |
132 | ||
133 | if ((session->msgnum & 0xff) > 200) | |
134 | session->msgnum = CMTP_INITIAL_MSGNUM + 1; | |
135 | ||
136 | return session->msgnum; | |
137 | } | |
138 | ||
139 | static void cmtp_send_capimsg(struct cmtp_session *session, struct sk_buff *skb) | |
140 | { | |
141 | struct cmtp_scb *scb = (void *) skb->cb; | |
142 | ||
143 | BT_DBG("session %p skb %p len %d", session, skb, skb->len); | |
144 | ||
145 | scb->id = -1; | |
146 | scb->data = (CAPIMSG_COMMAND(skb->data) == CAPI_DATA_B3); | |
147 | ||
148 | skb_queue_tail(&session->transmit, skb); | |
149 | ||
150 | cmtp_schedule(session); | |
151 | } | |
152 | ||
153 | static void cmtp_send_interopmsg(struct cmtp_session *session, | |
154 | __u8 subcmd, __u16 appl, __u16 msgnum, | |
155 | __u16 function, unsigned char *buf, int len) | |
156 | { | |
157 | struct sk_buff *skb; | |
158 | unsigned char *s; | |
159 | ||
160 | BT_DBG("session %p subcmd 0x%02x appl %d msgnum %d", session, subcmd, appl, msgnum); | |
161 | ||
162 | if (!(skb = alloc_skb(CAPI_MSG_BASELEN + 6 + len, GFP_ATOMIC))) { | |
163 | BT_ERR("Can't allocate memory for interoperability packet"); | |
164 | return; | |
165 | } | |
166 | ||
167 | s = skb_put(skb, CAPI_MSG_BASELEN + 6 + len); | |
168 | ||
169 | capimsg_setu16(s, 0, CAPI_MSG_BASELEN + 6 + len); | |
170 | capimsg_setu16(s, 2, appl); | |
171 | capimsg_setu8 (s, 4, CAPI_INTEROPERABILITY); | |
172 | capimsg_setu8 (s, 5, subcmd); | |
173 | capimsg_setu16(s, 6, msgnum); | |
174 | ||
175 | /* Interoperability selector (Bluetooth Device Management) */ | |
176 | capimsg_setu16(s, 8, 0x0001); | |
177 | ||
178 | capimsg_setu8 (s, 10, 3 + len); | |
179 | capimsg_setu16(s, 11, function); | |
180 | capimsg_setu8 (s, 13, len); | |
181 | ||
182 | if (len > 0) | |
183 | memcpy(s + 14, buf, len); | |
184 | ||
185 | cmtp_send_capimsg(session, skb); | |
186 | } | |
187 | ||
188 | static void cmtp_recv_interopmsg(struct cmtp_session *session, struct sk_buff *skb) | |
189 | { | |
190 | struct capi_ctr *ctrl = &session->ctrl; | |
191 | struct cmtp_application *application; | |
192 | __u16 appl, msgnum, func, info; | |
193 | __u32 controller; | |
194 | ||
195 | BT_DBG("session %p skb %p len %d", session, skb, skb->len); | |
196 | ||
197 | switch (CAPIMSG_SUBCOMMAND(skb->data)) { | |
198 | case CAPI_CONF: | |
f4777569 MH |
199 | if (skb->len < CAPI_MSG_BASELEN + 10) |
200 | break; | |
201 | ||
1da177e4 LT |
202 | func = CAPIMSG_U16(skb->data, CAPI_MSG_BASELEN + 5); |
203 | info = CAPIMSG_U16(skb->data, CAPI_MSG_BASELEN + 8); | |
204 | ||
205 | switch (func) { | |
206 | case CAPI_FUNCTION_REGISTER: | |
207 | msgnum = CAPIMSG_MSGID(skb->data); | |
208 | ||
209 | application = cmtp_application_get(session, CMTP_MSGNUM, msgnum); | |
210 | if (application) { | |
211 | application->state = BT_CONNECTED; | |
212 | application->msgnum = 0; | |
213 | application->mapping = CAPIMSG_APPID(skb->data); | |
214 | wake_up_interruptible(&session->wait); | |
215 | } | |
216 | ||
217 | break; | |
218 | ||
219 | case CAPI_FUNCTION_RELEASE: | |
220 | appl = CAPIMSG_APPID(skb->data); | |
221 | ||
222 | application = cmtp_application_get(session, CMTP_MAPPING, appl); | |
223 | if (application) { | |
224 | application->state = BT_CLOSED; | |
225 | application->msgnum = 0; | |
226 | wake_up_interruptible(&session->wait); | |
227 | } | |
228 | ||
229 | break; | |
230 | ||
231 | case CAPI_FUNCTION_GET_PROFILE: | |
f4777569 MH |
232 | if (skb->len < CAPI_MSG_BASELEN + 11 + sizeof(capi_profile)) |
233 | break; | |
234 | ||
1da177e4 LT |
235 | controller = CAPIMSG_U16(skb->data, CAPI_MSG_BASELEN + 11); |
236 | msgnum = CAPIMSG_MSGID(skb->data); | |
237 | ||
238 | if (!info && (msgnum == CMTP_INITIAL_MSGNUM)) { | |
239 | session->ncontroller = controller; | |
240 | wake_up_interruptible(&session->wait); | |
241 | break; | |
242 | } | |
243 | ||
244 | if (!info && ctrl) { | |
245 | memcpy(&ctrl->profile, | |
246 | skb->data + CAPI_MSG_BASELEN + 11, | |
247 | sizeof(capi_profile)); | |
248 | session->state = BT_CONNECTED; | |
249 | capi_ctr_ready(ctrl); | |
250 | } | |
251 | ||
252 | break; | |
253 | ||
254 | case CAPI_FUNCTION_GET_MANUFACTURER: | |
f4777569 MH |
255 | if (skb->len < CAPI_MSG_BASELEN + 15) |
256 | break; | |
257 | ||
1da177e4 LT |
258 | controller = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 10); |
259 | ||
260 | if (!info && ctrl) { | |
f4777569 MH |
261 | int len = min_t(uint, CAPI_MANUFACTURER_LEN, |
262 | skb->data[CAPI_MSG_BASELEN + 14]); | |
263 | ||
264 | memset(ctrl->manu, 0, CAPI_MANUFACTURER_LEN); | |
1da177e4 | 265 | strncpy(ctrl->manu, |
f4777569 | 266 | skb->data + CAPI_MSG_BASELEN + 15, len); |
1da177e4 LT |
267 | } |
268 | ||
269 | break; | |
270 | ||
271 | case CAPI_FUNCTION_GET_VERSION: | |
f4777569 MH |
272 | if (skb->len < CAPI_MSG_BASELEN + 32) |
273 | break; | |
274 | ||
1da177e4 LT |
275 | controller = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 12); |
276 | ||
277 | if (!info && ctrl) { | |
278 | ctrl->version.majorversion = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 16); | |
279 | ctrl->version.minorversion = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 20); | |
280 | ctrl->version.majormanuversion = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 24); | |
281 | ctrl->version.minormanuversion = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 28); | |
282 | } | |
283 | ||
284 | break; | |
285 | ||
286 | case CAPI_FUNCTION_GET_SERIAL_NUMBER: | |
f4777569 MH |
287 | if (skb->len < CAPI_MSG_BASELEN + 17) |
288 | break; | |
289 | ||
1da177e4 LT |
290 | controller = CAPIMSG_U32(skb->data, CAPI_MSG_BASELEN + 12); |
291 | ||
292 | if (!info && ctrl) { | |
f4777569 MH |
293 | int len = min_t(uint, CAPI_SERIAL_LEN, |
294 | skb->data[CAPI_MSG_BASELEN + 16]); | |
295 | ||
1da177e4 LT |
296 | memset(ctrl->serial, 0, CAPI_SERIAL_LEN); |
297 | strncpy(ctrl->serial, | |
f4777569 | 298 | skb->data + CAPI_MSG_BASELEN + 17, len); |
1da177e4 LT |
299 | } |
300 | ||
301 | break; | |
302 | } | |
303 | ||
304 | break; | |
305 | ||
306 | case CAPI_IND: | |
f4777569 MH |
307 | if (skb->len < CAPI_MSG_BASELEN + 6) |
308 | break; | |
309 | ||
1da177e4 LT |
310 | func = CAPIMSG_U16(skb->data, CAPI_MSG_BASELEN + 3); |
311 | ||
312 | if (func == CAPI_FUNCTION_LOOPBACK) { | |
f4777569 MH |
313 | int len = min_t(uint, skb->len - CAPI_MSG_BASELEN - 6, |
314 | skb->data[CAPI_MSG_BASELEN + 5]); | |
1da177e4 LT |
315 | appl = CAPIMSG_APPID(skb->data); |
316 | msgnum = CAPIMSG_MSGID(skb->data); | |
317 | cmtp_send_interopmsg(session, CAPI_RESP, appl, msgnum, func, | |
f4777569 | 318 | skb->data + CAPI_MSG_BASELEN + 6, len); |
1da177e4 LT |
319 | } |
320 | ||
321 | break; | |
322 | } | |
323 | ||
324 | kfree_skb(skb); | |
325 | } | |
326 | ||
327 | void cmtp_recv_capimsg(struct cmtp_session *session, struct sk_buff *skb) | |
328 | { | |
329 | struct capi_ctr *ctrl = &session->ctrl; | |
330 | struct cmtp_application *application; | |
331 | __u16 cmd, appl; | |
332 | __u32 contr; | |
333 | ||
334 | BT_DBG("session %p skb %p len %d", session, skb, skb->len); | |
335 | ||
f4777569 MH |
336 | if (skb->len < CAPI_MSG_BASELEN) |
337 | return; | |
338 | ||
1da177e4 LT |
339 | if (CAPIMSG_COMMAND(skb->data) == CAPI_INTEROPERABILITY) { |
340 | cmtp_recv_interopmsg(session, skb); | |
341 | return; | |
342 | } | |
343 | ||
344 | if (session->flags & (1 << CMTP_LOOPBACK)) { | |
345 | kfree_skb(skb); | |
346 | return; | |
347 | } | |
348 | ||
349 | cmd = CAPICMD(CAPIMSG_COMMAND(skb->data), CAPIMSG_SUBCOMMAND(skb->data)); | |
350 | appl = CAPIMSG_APPID(skb->data); | |
351 | contr = CAPIMSG_CONTROL(skb->data); | |
352 | ||
353 | application = cmtp_application_get(session, CMTP_MAPPING, appl); | |
354 | if (application) { | |
355 | appl = application->appl; | |
356 | CAPIMSG_SETAPPID(skb->data, appl); | |
357 | } else { | |
358 | BT_ERR("Can't find application with id %d", appl); | |
359 | kfree_skb(skb); | |
360 | return; | |
361 | } | |
362 | ||
363 | if ((contr & 0x7f) == 0x01) { | |
364 | contr = (contr & 0xffffff80) | session->num; | |
365 | CAPIMSG_SETCONTROL(skb->data, contr); | |
366 | } | |
367 | ||
368 | if (!ctrl) { | |
369 | BT_ERR("Can't find controller %d for message", session->num); | |
370 | kfree_skb(skb); | |
371 | return; | |
372 | } | |
373 | ||
374 | capi_ctr_handle_message(ctrl, appl, skb); | |
375 | } | |
376 | ||
377 | static int cmtp_load_firmware(struct capi_ctr *ctrl, capiloaddata *data) | |
378 | { | |
379 | BT_DBG("ctrl %p data %p", ctrl, data); | |
380 | ||
381 | return 0; | |
382 | } | |
383 | ||
384 | static void cmtp_reset_ctr(struct capi_ctr *ctrl) | |
385 | { | |
386 | struct cmtp_session *session = ctrl->driverdata; | |
387 | ||
388 | BT_DBG("ctrl %p", ctrl); | |
389 | ||
390 | capi_ctr_reseted(ctrl); | |
391 | ||
392 | atomic_inc(&session->terminate); | |
393 | cmtp_schedule(session); | |
394 | } | |
395 | ||
396 | static void cmtp_register_appl(struct capi_ctr *ctrl, __u16 appl, capi_register_params *rp) | |
397 | { | |
398 | DECLARE_WAITQUEUE(wait, current); | |
399 | struct cmtp_session *session = ctrl->driverdata; | |
400 | struct cmtp_application *application; | |
401 | unsigned long timeo = CMTP_INTEROP_TIMEOUT; | |
402 | unsigned char buf[8]; | |
403 | int err = 0, nconn, want = rp->level3cnt; | |
404 | ||
405 | BT_DBG("ctrl %p appl %d level3cnt %d datablkcnt %d datablklen %d", | |
406 | ctrl, appl, rp->level3cnt, rp->datablkcnt, rp->datablklen); | |
407 | ||
408 | application = cmtp_application_add(session, appl); | |
409 | if (!application) { | |
410 | BT_ERR("Can't allocate memory for new application"); | |
411 | return; | |
412 | } | |
413 | ||
414 | if (want < 0) | |
415 | nconn = ctrl->profile.nbchannel * -want; | |
416 | else | |
417 | nconn = want; | |
418 | ||
419 | if (nconn == 0) | |
420 | nconn = ctrl->profile.nbchannel; | |
421 | ||
422 | capimsg_setu16(buf, 0, nconn); | |
423 | capimsg_setu16(buf, 2, rp->datablkcnt); | |
424 | capimsg_setu16(buf, 4, rp->datablklen); | |
425 | ||
426 | application->state = BT_CONFIG; | |
427 | application->msgnum = cmtp_msgnum_get(session); | |
428 | ||
429 | cmtp_send_interopmsg(session, CAPI_REQ, 0x0000, application->msgnum, | |
430 | CAPI_FUNCTION_REGISTER, buf, 6); | |
431 | ||
432 | add_wait_queue(&session->wait, &wait); | |
433 | while (1) { | |
434 | set_current_state(TASK_INTERRUPTIBLE); | |
435 | ||
436 | if (!timeo) { | |
437 | err = -EAGAIN; | |
438 | break; | |
439 | } | |
440 | ||
441 | if (application->state == BT_CLOSED) { | |
442 | err = -application->err; | |
443 | break; | |
444 | } | |
445 | ||
446 | if (application->state == BT_CONNECTED) | |
447 | break; | |
448 | ||
449 | if (signal_pending(current)) { | |
450 | err = -EINTR; | |
451 | break; | |
452 | } | |
453 | ||
454 | timeo = schedule_timeout(timeo); | |
455 | } | |
456 | set_current_state(TASK_RUNNING); | |
457 | remove_wait_queue(&session->wait, &wait); | |
458 | ||
459 | if (err) { | |
460 | cmtp_application_del(session, application); | |
461 | return; | |
462 | } | |
463 | } | |
464 | ||
465 | static void cmtp_release_appl(struct capi_ctr *ctrl, __u16 appl) | |
466 | { | |
467 | struct cmtp_session *session = ctrl->driverdata; | |
468 | struct cmtp_application *application; | |
469 | ||
470 | BT_DBG("ctrl %p appl %d", ctrl, appl); | |
471 | ||
472 | application = cmtp_application_get(session, CMTP_APPLID, appl); | |
473 | if (!application) { | |
474 | BT_ERR("Can't find application"); | |
475 | return; | |
476 | } | |
477 | ||
478 | application->msgnum = cmtp_msgnum_get(session); | |
479 | ||
480 | cmtp_send_interopmsg(session, CAPI_REQ, application->mapping, application->msgnum, | |
481 | CAPI_FUNCTION_RELEASE, NULL, 0); | |
482 | ||
483 | wait_event_interruptible_timeout(session->wait, | |
484 | (application->state == BT_CLOSED), CMTP_INTEROP_TIMEOUT); | |
485 | ||
486 | cmtp_application_del(session, application); | |
487 | } | |
488 | ||
489 | static u16 cmtp_send_message(struct capi_ctr *ctrl, struct sk_buff *skb) | |
490 | { | |
491 | struct cmtp_session *session = ctrl->driverdata; | |
492 | struct cmtp_application *application; | |
493 | __u16 appl; | |
494 | __u32 contr; | |
495 | ||
496 | BT_DBG("ctrl %p skb %p", ctrl, skb); | |
497 | ||
498 | appl = CAPIMSG_APPID(skb->data); | |
499 | contr = CAPIMSG_CONTROL(skb->data); | |
500 | ||
501 | application = cmtp_application_get(session, CMTP_APPLID, appl); | |
502 | if ((!application) || (application->state != BT_CONNECTED)) { | |
503 | BT_ERR("Can't find application with id %d", appl); | |
504 | return CAPI_ILLAPPNR; | |
505 | } | |
506 | ||
507 | CAPIMSG_SETAPPID(skb->data, application->mapping); | |
508 | ||
509 | if ((contr & 0x7f) == session->num) { | |
510 | contr = (contr & 0xffffff80) | 0x01; | |
511 | CAPIMSG_SETCONTROL(skb->data, contr); | |
512 | } | |
513 | ||
514 | cmtp_send_capimsg(session, skb); | |
515 | ||
516 | return CAPI_NOERROR; | |
517 | } | |
518 | ||
519 | static char *cmtp_procinfo(struct capi_ctr *ctrl) | |
520 | { | |
521 | return "CAPI Message Transport Protocol"; | |
522 | } | |
523 | ||
524 | static int cmtp_ctr_read_proc(char *page, char **start, off_t off, int count, int *eof, struct capi_ctr *ctrl) | |
525 | { | |
526 | struct cmtp_session *session = ctrl->driverdata; | |
527 | struct cmtp_application *app; | |
528 | struct list_head *p, *n; | |
529 | int len = 0; | |
530 | ||
531 | len += sprintf(page + len, "%s\n\n", cmtp_procinfo(ctrl)); | |
532 | len += sprintf(page + len, "addr %s\n", session->name); | |
533 | len += sprintf(page + len, "ctrl %d\n", session->num); | |
534 | ||
535 | list_for_each_safe(p, n, &session->applications) { | |
536 | app = list_entry(p, struct cmtp_application, list); | |
537 | len += sprintf(page + len, "appl %d -> %d\n", app->appl, app->mapping); | |
538 | } | |
539 | ||
540 | if (off + count >= len) | |
541 | *eof = 1; | |
542 | ||
543 | if (len < off) | |
544 | return 0; | |
545 | ||
546 | *start = page + off; | |
547 | ||
548 | return ((count < len - off) ? count : len - off); | |
549 | } | |
550 | ||
551 | ||
552 | int cmtp_attach_device(struct cmtp_session *session) | |
553 | { | |
554 | unsigned char buf[4]; | |
555 | long ret; | |
556 | ||
557 | BT_DBG("session %p", session); | |
558 | ||
559 | capimsg_setu32(buf, 0, 0); | |
560 | ||
561 | cmtp_send_interopmsg(session, CAPI_REQ, 0xffff, CMTP_INITIAL_MSGNUM, | |
562 | CAPI_FUNCTION_GET_PROFILE, buf, 4); | |
563 | ||
564 | ret = wait_event_interruptible_timeout(session->wait, | |
565 | session->ncontroller, CMTP_INTEROP_TIMEOUT); | |
8e87d142 | 566 | |
1da177e4 LT |
567 | BT_INFO("Found %d CAPI controller(s) on device %s", session->ncontroller, session->name); |
568 | ||
569 | if (!ret) | |
570 | return -ETIMEDOUT; | |
571 | ||
572 | if (!session->ncontroller) | |
573 | return -ENODEV; | |
574 | ||
575 | if (session->ncontroller > 1) | |
576 | BT_INFO("Setting up only CAPI controller 1"); | |
577 | ||
578 | session->ctrl.owner = THIS_MODULE; | |
579 | session->ctrl.driverdata = session; | |
580 | strcpy(session->ctrl.name, session->name); | |
581 | ||
582 | session->ctrl.driver_name = "cmtp"; | |
583 | session->ctrl.load_firmware = cmtp_load_firmware; | |
584 | session->ctrl.reset_ctr = cmtp_reset_ctr; | |
585 | session->ctrl.register_appl = cmtp_register_appl; | |
586 | session->ctrl.release_appl = cmtp_release_appl; | |
587 | session->ctrl.send_message = cmtp_send_message; | |
588 | ||
589 | session->ctrl.procinfo = cmtp_procinfo; | |
590 | session->ctrl.ctr_read_proc = cmtp_ctr_read_proc; | |
591 | ||
592 | if (attach_capi_ctr(&session->ctrl) < 0) { | |
593 | BT_ERR("Can't attach new controller"); | |
594 | return -EBUSY; | |
595 | } | |
596 | ||
597 | session->num = session->ctrl.cnr; | |
598 | ||
599 | BT_DBG("session %p num %d", session, session->num); | |
600 | ||
601 | capimsg_setu32(buf, 0, 1); | |
602 | ||
603 | cmtp_send_interopmsg(session, CAPI_REQ, 0xffff, cmtp_msgnum_get(session), | |
604 | CAPI_FUNCTION_GET_MANUFACTURER, buf, 4); | |
605 | ||
606 | cmtp_send_interopmsg(session, CAPI_REQ, 0xffff, cmtp_msgnum_get(session), | |
607 | CAPI_FUNCTION_GET_VERSION, buf, 4); | |
608 | ||
609 | cmtp_send_interopmsg(session, CAPI_REQ, 0xffff, cmtp_msgnum_get(session), | |
610 | CAPI_FUNCTION_GET_SERIAL_NUMBER, buf, 4); | |
611 | ||
612 | cmtp_send_interopmsg(session, CAPI_REQ, 0xffff, cmtp_msgnum_get(session), | |
613 | CAPI_FUNCTION_GET_PROFILE, buf, 4); | |
614 | ||
615 | return 0; | |
616 | } | |
617 | ||
618 | void cmtp_detach_device(struct cmtp_session *session) | |
619 | { | |
620 | BT_DBG("session %p", session); | |
621 | ||
622 | detach_capi_ctr(&session->ctrl); | |
623 | } |