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