1 | /* |
2 | * QEMU Bluetooth HCI logic. |
3 | * |
4 | * Copyright (C) 2007 OpenMoko, Inc. |
5 | * Copyright (C) 2008 Andrzej Zaborowski <balrog@zabor.org> |
6 | * |
7 | * This program is free software; you can redistribute it and/or |
8 | * modify it under the terms of the GNU General Public License as |
9 | * published by the Free Software Foundation; either version 2 of |
10 | * the License, or (at your option) any later version. |
11 | * |
12 | * This program is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * GNU General Public License for more details. |
16 | * |
17 | * You should have received a copy of the GNU General Public License |
18 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
19 | */ |
20 | |
21 | #include "qemu/osdep.h" |
22 | #include "qemu/error-report.h" |
23 | #include "qapi/error.h" |
24 | #include "qemu/timer.h" |
25 | #include "hw/usb.h" |
26 | #include "sysemu/bt.h" |
27 | #include "hw/bt.h" |
28 | #include "qapi/qmp/qerror.h" |
29 | #include "sysemu/replay.h" |
30 | #include "qemu/cutils.h" |
31 | |
32 | struct bt_hci_s { |
33 | uint8_t *(*evt_packet)(void *opaque); |
34 | void (*evt_submit)(void *opaque, int len); |
35 | void *opaque; |
36 | uint8_t evt_buf[256]; |
37 | |
38 | uint8_t acl_buf[4096]; |
39 | int acl_len; |
40 | |
41 | uint16_t asb_handle; |
42 | uint16_t psb_handle; |
43 | |
44 | int last_cmd; /* Note: Always little-endian */ |
45 | |
46 | struct bt_device_s *conn_req_host; |
47 | |
48 | struct { |
49 | int inquire; |
50 | int periodic; |
51 | int responses_left; |
52 | int responses; |
53 | QEMUTimer *inquiry_done; |
54 | QEMUTimer *inquiry_next; |
55 | int inquiry_length; |
56 | int inquiry_period; |
57 | int inquiry_mode; |
58 | |
59 | #define HCI_HANDLE_OFFSET 0x20 |
60 | #define HCI_HANDLES_MAX 0x10 |
61 | struct bt_hci_master_link_s { |
62 | struct bt_link_s *link; |
63 | void (*lmp_acl_data)(struct bt_link_s *link, |
64 | const uint8_t *data, int start, int len); |
65 | QEMUTimer *acl_mode_timer; |
66 | } handle[HCI_HANDLES_MAX]; |
67 | uint32_t role_bmp; |
68 | int last_handle; |
69 | int connecting; |
70 | bdaddr_t awaiting_bdaddr[HCI_HANDLES_MAX]; |
71 | } lm; |
72 | |
73 | uint8_t event_mask[8]; |
74 | uint16_t voice_setting; /* Notw: Always little-endian */ |
75 | uint16_t conn_accept_tout; |
76 | QEMUTimer *conn_accept_timer; |
77 | |
78 | struct HCIInfo info; |
79 | struct bt_device_s device; |
80 | |
81 | Error *replay_blocker; |
82 | }; |
83 | |
84 | #define 20 |
85 | |
86 | #define hci_from_info(ptr) container_of((ptr), struct bt_hci_s, info) |
87 | #define hci_from_device(ptr) container_of((ptr), struct bt_hci_s, device) |
88 | |
89 | struct bt_hci_link_s { |
90 | struct bt_link_s btlink; |
91 | uint16_t handle; /* Local */ |
92 | }; |
93 | |
94 | /* LMP layer emulation */ |
95 | #if 0 |
96 | static void bt_submit_lmp(struct bt_device_s *bt, int length, uint8_t *data) |
97 | { |
98 | int resp, resplen, error, op, tr; |
99 | uint8_t respdata[17]; |
100 | |
101 | if (length < 1) |
102 | return; |
103 | |
104 | tr = *data & 1; |
105 | op = *(data ++) >> 1; |
106 | resp = LMP_ACCEPTED; |
107 | resplen = 2; |
108 | respdata[1] = op; |
109 | error = 0; |
110 | length --; |
111 | |
112 | if (op >= 0x7c) { /* Extended opcode */ |
113 | op |= *(data ++) << 8; |
114 | resp = LMP_ACCEPTED_EXT; |
115 | resplen = 4; |
116 | respdata[0] = op >> 8; |
117 | respdata[1] = op & 0xff; |
118 | length --; |
119 | } |
120 | |
121 | switch (op) { |
122 | case LMP_ACCEPTED: |
123 | /* data[0] Op code |
124 | */ |
125 | if (length < 1) { |
126 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
127 | goto not_accepted; |
128 | } |
129 | resp = 0; |
130 | break; |
131 | |
132 | case LMP_ACCEPTED_EXT: |
133 | /* data[0] Escape op code |
134 | * data[1] Extended op code |
135 | */ |
136 | if (length < 2) { |
137 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
138 | goto not_accepted; |
139 | } |
140 | resp = 0; |
141 | break; |
142 | |
143 | case LMP_NOT_ACCEPTED: |
144 | /* data[0] Op code |
145 | * data[1] Error code |
146 | */ |
147 | if (length < 2) { |
148 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
149 | goto not_accepted; |
150 | } |
151 | resp = 0; |
152 | break; |
153 | |
154 | case LMP_NOT_ACCEPTED_EXT: |
155 | /* data[0] Op code |
156 | * data[1] Extended op code |
157 | * data[2] Error code |
158 | */ |
159 | if (length < 3) { |
160 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
161 | goto not_accepted; |
162 | } |
163 | resp = 0; |
164 | break; |
165 | |
166 | case LMP_HOST_CONNECTION_REQ: |
167 | break; |
168 | |
169 | case LMP_SETUP_COMPLETE: |
170 | resp = LMP_SETUP_COMPLETE; |
171 | resplen = 1; |
172 | bt->setup = 1; |
173 | break; |
174 | |
175 | case LMP_DETACH: |
176 | /* data[0] Error code |
177 | */ |
178 | if (length < 1) { |
179 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
180 | goto not_accepted; |
181 | } |
182 | bt->setup = 0; |
183 | resp = 0; |
184 | break; |
185 | |
186 | case LMP_SUPERVISION_TIMEOUT: |
187 | /* data[0,1] Supervision timeout |
188 | */ |
189 | if (length < 2) { |
190 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
191 | goto not_accepted; |
192 | } |
193 | resp = 0; |
194 | break; |
195 | |
196 | case LMP_QUALITY_OF_SERVICE: |
197 | resp = 0; |
198 | /* Fall through */ |
199 | case LMP_QOS_REQ: |
200 | /* data[0,1] Poll interval |
201 | * data[2] N(BC) |
202 | */ |
203 | if (length < 3) { |
204 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
205 | goto not_accepted; |
206 | } |
207 | break; |
208 | |
209 | case LMP_MAX_SLOT: |
210 | resp = 0; |
211 | /* Fall through */ |
212 | case LMP_MAX_SLOT_REQ: |
213 | /* data[0] Max slots |
214 | */ |
215 | if (length < 1) { |
216 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
217 | goto not_accepted; |
218 | } |
219 | break; |
220 | |
221 | case LMP_AU_RAND: |
222 | case LMP_IN_RAND: |
223 | case LMP_COMB_KEY: |
224 | /* data[0-15] Random number |
225 | */ |
226 | if (length < 16) { |
227 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
228 | goto not_accepted; |
229 | } |
230 | if (op == LMP_AU_RAND) { |
231 | if (bt->key_present) { |
232 | resp = LMP_SRES; |
233 | resplen = 5; |
234 | /* XXX: [Part H] Section 6.1 on page 801 */ |
235 | } else { |
236 | error = HCI_PIN_OR_KEY_MISSING; |
237 | goto not_accepted; |
238 | } |
239 | } else if (op == LMP_IN_RAND) { |
240 | error = HCI_PAIRING_NOT_ALLOWED; |
241 | goto not_accepted; |
242 | } else { |
243 | /* XXX: [Part H] Section 3.2 on page 779 */ |
244 | resp = LMP_UNIT_KEY; |
245 | resplen = 17; |
246 | memcpy(respdata + 1, bt->key, 16); |
247 | |
248 | error = HCI_UNIT_LINK_KEY_USED; |
249 | goto not_accepted; |
250 | } |
251 | break; |
252 | |
253 | case LMP_UNIT_KEY: |
254 | /* data[0-15] Key |
255 | */ |
256 | if (length < 16) { |
257 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
258 | goto not_accepted; |
259 | } |
260 | memcpy(bt->key, data, 16); |
261 | bt->key_present = 1; |
262 | break; |
263 | |
264 | case LMP_SRES: |
265 | /* data[0-3] Authentication response |
266 | */ |
267 | if (length < 4) { |
268 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
269 | goto not_accepted; |
270 | } |
271 | break; |
272 | |
273 | case LMP_CLKOFFSET_REQ: |
274 | resp = LMP_CLKOFFSET_RES; |
275 | resplen = 3; |
276 | respdata[1] = 0x33; |
277 | respdata[2] = 0x33; |
278 | break; |
279 | |
280 | case LMP_CLKOFFSET_RES: |
281 | /* data[0,1] Clock offset |
282 | * (Slave to master only) |
283 | */ |
284 | if (length < 2) { |
285 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
286 | goto not_accepted; |
287 | } |
288 | break; |
289 | |
290 | case LMP_VERSION_REQ: |
291 | case LMP_VERSION_RES: |
292 | /* data[0] VersNr |
293 | * data[1,2] CompId |
294 | * data[3,4] SubVersNr |
295 | */ |
296 | if (length < 5) { |
297 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
298 | goto not_accepted; |
299 | } |
300 | if (op == LMP_VERSION_REQ) { |
301 | resp = LMP_VERSION_RES; |
302 | resplen = 6; |
303 | respdata[1] = 0x20; |
304 | respdata[2] = 0xff; |
305 | respdata[3] = 0xff; |
306 | respdata[4] = 0xff; |
307 | respdata[5] = 0xff; |
308 | } else |
309 | resp = 0; |
310 | break; |
311 | |
312 | case LMP_FEATURES_REQ: |
313 | case LMP_FEATURES_RES: |
314 | /* data[0-7] Features |
315 | */ |
316 | if (length < 8) { |
317 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
318 | goto not_accepted; |
319 | } |
320 | if (op == LMP_FEATURES_REQ) { |
321 | resp = LMP_FEATURES_RES; |
322 | resplen = 9; |
323 | respdata[1] = (bt->lmp_caps >> 0) & 0xff; |
324 | respdata[2] = (bt->lmp_caps >> 8) & 0xff; |
325 | respdata[3] = (bt->lmp_caps >> 16) & 0xff; |
326 | respdata[4] = (bt->lmp_caps >> 24) & 0xff; |
327 | respdata[5] = (bt->lmp_caps >> 32) & 0xff; |
328 | respdata[6] = (bt->lmp_caps >> 40) & 0xff; |
329 | respdata[7] = (bt->lmp_caps >> 48) & 0xff; |
330 | respdata[8] = (bt->lmp_caps >> 56) & 0xff; |
331 | } else |
332 | resp = 0; |
333 | break; |
334 | |
335 | case LMP_NAME_REQ: |
336 | /* data[0] Name offset |
337 | */ |
338 | if (length < 1) { |
339 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
340 | goto not_accepted; |
341 | } |
342 | resp = LMP_NAME_RES; |
343 | resplen = 17; |
344 | respdata[1] = data[0]; |
345 | respdata[2] = strlen(bt->lmp_name); |
346 | memset(respdata + 3, 0x00, 14); |
347 | if (respdata[2] > respdata[1]) |
348 | memcpy(respdata + 3, bt->lmp_name + respdata[1], |
349 | respdata[2] - respdata[1]); |
350 | break; |
351 | |
352 | case LMP_NAME_RES: |
353 | /* data[0] Name offset |
354 | * data[1] Name length |
355 | * data[2-15] Name fragment |
356 | */ |
357 | if (length < 16) { |
358 | error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; |
359 | goto not_accepted; |
360 | } |
361 | resp = 0; |
362 | break; |
363 | |
364 | default: |
365 | error = HCI_UNKNOWN_LMP_PDU; |
366 | /* Fall through */ |
367 | not_accepted: |
368 | if (op >> 8) { |
369 | resp = LMP_NOT_ACCEPTED_EXT; |
370 | resplen = 5; |
371 | respdata[0] = op >> 8; |
372 | respdata[1] = op & 0xff; |
373 | respdata[2] = error; |
374 | } else { |
375 | resp = LMP_NOT_ACCEPTED; |
376 | resplen = 3; |
377 | respdata[0] = op & 0xff; |
378 | respdata[1] = error; |
379 | } |
380 | } |
381 | |
382 | if (resp == 0) |
383 | return; |
384 | |
385 | if (resp >> 8) { |
386 | respdata[0] = resp >> 8; |
387 | respdata[1] = resp & 0xff; |
388 | } else |
389 | respdata[0] = resp & 0xff; |
390 | |
391 | respdata[0] <<= 1; |
392 | respdata[0] |= tr; |
393 | } |
394 | |
395 | static void bt_submit_raw_acl(struct bt_piconet_s *net, int length, uint8_t *data) |
396 | { |
397 | struct bt_device_s *slave; |
398 | if (length < 1) |
399 | return; |
400 | |
401 | slave = 0; |
402 | #if 0 |
403 | slave = net->slave; |
404 | #endif |
405 | |
406 | switch (data[0] & 3) { |
407 | case LLID_ACLC: |
408 | bt_submit_lmp(slave, length - 1, data + 1); |
409 | break; |
410 | case LLID_ACLU_START: |
411 | #if 0 |
412 | bt_sumbit_l2cap(slave, length - 1, data + 1, (data[0] >> 2) & 1); |
413 | breka; |
414 | #endif |
415 | default: |
416 | case LLID_ACLU_CONT: |
417 | break; |
418 | } |
419 | } |
420 | #endif |
421 | |
422 | /* HCI layer emulation */ |
423 | |
424 | /* Note: we could ignore endianness because unswapped handles will still |
425 | * be valid as connection identifiers for the guest - they don't have to |
426 | * be continuously allocated. We do it though, to preserve similar |
427 | * behaviour between hosts. Some things, like the BD_ADDR cannot be |
428 | * preserved though (for example if a real hci is used). */ |
429 | #define HNDL(raw) cpu_to_le16(raw) |
430 | |
431 | static const uint8_t bt_event_reserved_mask[8] = { |
432 | 0xff, 0x9f, 0xfb, 0xff, 0x07, 0x18, 0x00, 0x00, |
433 | }; |
434 | |
435 | |
436 | static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) |
437 | { |
438 | } |
439 | |
440 | static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) |
441 | { |
442 | return -ENOTSUP; |
443 | } |
444 | |
445 | struct HCIInfo null_hci = { |
446 | .cmd_send = null_hci_send, |
447 | .sco_send = null_hci_send, |
448 | .acl_send = null_hci_send, |
449 | .bdaddr_set = null_hci_addr_set, |
450 | }; |
451 | |
452 | |
453 | static inline uint8_t *bt_hci_event_start(struct bt_hci_s *hci, |
454 | int evt, int len) |
455 | { |
456 | uint8_t *packet, mask; |
457 | int mask_byte; |
458 | |
459 | if (len > 255) { |
460 | error_report("%s: HCI event params too long (%ib)" , __func__, len); |
461 | exit(-1); |
462 | } |
463 | |
464 | mask_byte = (evt - 1) >> 3; |
465 | mask = 1 << ((evt - 1) & 3); |
466 | if (mask & bt_event_reserved_mask[mask_byte] & ~hci->event_mask[mask_byte]) |
467 | return NULL; |
468 | |
469 | packet = hci->evt_packet(hci->opaque); |
470 | packet[0] = evt; |
471 | packet[1] = len; |
472 | |
473 | return &packet[2]; |
474 | } |
475 | |
476 | static inline void bt_hci_event(struct bt_hci_s *hci, int evt, |
477 | void *params, int len) |
478 | { |
479 | uint8_t *packet = bt_hci_event_start(hci, evt, len); |
480 | |
481 | if (!packet) |
482 | return; |
483 | |
484 | if (len) |
485 | memcpy(packet, params, len); |
486 | |
487 | hci->evt_submit(hci->opaque, len + 2); |
488 | } |
489 | |
490 | static inline void bt_hci_event_status(struct bt_hci_s *hci, int status) |
491 | { |
492 | evt_cmd_status params = { |
493 | .status = status, |
494 | .ncmd = 1, |
495 | .opcode = hci->last_cmd, |
496 | }; |
497 | |
498 | bt_hci_event(hci, EVT_CMD_STATUS, ¶ms, EVT_CMD_STATUS_SIZE); |
499 | } |
500 | |
501 | static inline void bt_hci_event_complete(struct bt_hci_s *hci, |
502 | void *ret, int len) |
503 | { |
504 | uint8_t *packet = bt_hci_event_start(hci, EVT_CMD_COMPLETE, |
505 | len + EVT_CMD_COMPLETE_SIZE); |
506 | evt_cmd_complete *params = (evt_cmd_complete *) packet; |
507 | |
508 | if (!packet) |
509 | return; |
510 | |
511 | params->ncmd = 1; |
512 | params->opcode = hci->last_cmd; |
513 | if (len) |
514 | memcpy(&packet[EVT_CMD_COMPLETE_SIZE], ret, len); |
515 | |
516 | hci->evt_submit(hci->opaque, len + EVT_CMD_COMPLETE_SIZE + 2); |
517 | } |
518 | |
519 | static void bt_hci_inquiry_done(void *opaque) |
520 | { |
521 | struct bt_hci_s *hci = (struct bt_hci_s *) opaque; |
522 | uint8_t status = HCI_SUCCESS; |
523 | |
524 | if (!hci->lm.periodic) |
525 | hci->lm.inquire = 0; |
526 | |
527 | /* The specification is inconsistent about this one. Page 565 reads |
528 | * "The event parameters of Inquiry Complete event will have a summary |
529 | * of the result from the Inquiry process, which reports the number of |
530 | * nearby Bluetooth devices that responded [so hci->responses].", but |
531 | * Event Parameters (see page 729) has only Status. */ |
532 | bt_hci_event(hci, EVT_INQUIRY_COMPLETE, &status, 1); |
533 | } |
534 | |
535 | static void bt_hci_inquiry_result_standard(struct bt_hci_s *hci, |
536 | struct bt_device_s *slave) |
537 | { |
538 | inquiry_info params = { |
539 | .num_responses = 1, |
540 | .bdaddr = BAINIT(&slave->bd_addr), |
541 | .pscan_rep_mode = 0x00, /* R0 */ |
542 | .pscan_period_mode = 0x00, /* P0 - deprecated */ |
543 | .pscan_mode = 0x00, /* Standard scan - deprecated */ |
544 | .dev_class[0] = slave->class[0], |
545 | .dev_class[1] = slave->class[1], |
546 | .dev_class[2] = slave->class[2], |
547 | /* TODO: return the clkoff *differenece* */ |
548 | .clock_offset = slave->clkoff, /* Note: no swapping */ |
549 | }; |
550 | |
551 | bt_hci_event(hci, EVT_INQUIRY_RESULT, ¶ms, INQUIRY_INFO_SIZE); |
552 | } |
553 | |
554 | static void (struct bt_hci_s *hci, |
555 | struct bt_device_s *slave) |
556 | { |
557 | inquiry_info_with_rssi params = { |
558 | .num_responses = 1, |
559 | .bdaddr = BAINIT(&slave->bd_addr), |
560 | .pscan_rep_mode = 0x00, /* R0 */ |
561 | .pscan_period_mode = 0x00, /* P0 - deprecated */ |
562 | .dev_class[0] = slave->class[0], |
563 | .dev_class[1] = slave->class[1], |
564 | .dev_class[2] = slave->class[2], |
565 | /* TODO: return the clkoff *differenece* */ |
566 | .clock_offset = slave->clkoff, /* Note: no swapping */ |
567 | .rssi = DEFAULT_RSSI_DBM, |
568 | }; |
569 | |
570 | bt_hci_event(hci, EVT_INQUIRY_RESULT_WITH_RSSI, |
571 | ¶ms, INQUIRY_INFO_WITH_RSSI_SIZE); |
572 | } |
573 | |
574 | static void bt_hci_inquiry_result(struct bt_hci_s *hci, |
575 | struct bt_device_s *slave) |
576 | { |
577 | if (!slave->inquiry_scan || !hci->lm.responses_left) |
578 | return; |
579 | |
580 | hci->lm.responses_left --; |
581 | hci->lm.responses ++; |
582 | |
583 | switch (hci->lm.inquiry_mode) { |
584 | case 0x00: |
585 | bt_hci_inquiry_result_standard(hci, slave); |
586 | return; |
587 | case 0x01: |
588 | bt_hci_inquiry_result_with_rssi(hci, slave); |
589 | return; |
590 | default: |
591 | error_report("%s: bad inquiry mode %02x" , __func__, |
592 | hci->lm.inquiry_mode); |
593 | exit(-1); |
594 | } |
595 | } |
596 | |
597 | static void bt_hci_mod_timer_1280ms(QEMUTimer *timer, int period) |
598 | { |
599 | timer_mod(timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + |
600 | (uint64_t)(period << 7) * 10000000); |
601 | } |
602 | |
603 | static void bt_hci_inquiry_start(struct bt_hci_s *hci, int length) |
604 | { |
605 | struct bt_device_s *slave; |
606 | |
607 | hci->lm.inquiry_length = length; |
608 | for (slave = hci->device.net->slave; slave; slave = slave->next) |
609 | /* Don't uncover ourselves. */ |
610 | if (slave != &hci->device) |
611 | bt_hci_inquiry_result(hci, slave); |
612 | |
613 | /* TODO: register for a callback on a new device's addition to the |
614 | * scatternet so that if it's added before inquiry_length expires, |
615 | * an Inquiry Result is generated immediately. Alternatively re-loop |
616 | * through the devices on the inquiry_length expiration and report |
617 | * devices not seen before. */ |
618 | if (hci->lm.responses_left) |
619 | bt_hci_mod_timer_1280ms(hci->lm.inquiry_done, hci->lm.inquiry_length); |
620 | else |
621 | bt_hci_inquiry_done(hci); |
622 | |
623 | if (hci->lm.periodic) |
624 | bt_hci_mod_timer_1280ms(hci->lm.inquiry_next, hci->lm.inquiry_period); |
625 | } |
626 | |
627 | static void bt_hci_inquiry_next(void *opaque) |
628 | { |
629 | struct bt_hci_s *hci = (struct bt_hci_s *) opaque; |
630 | |
631 | hci->lm.responses_left += hci->lm.responses; |
632 | hci->lm.responses = 0; |
633 | bt_hci_inquiry_start(hci, hci->lm.inquiry_length); |
634 | } |
635 | |
636 | static inline int bt_hci_handle_bad(struct bt_hci_s *hci, uint16_t handle) |
637 | { |
638 | return !(handle & HCI_HANDLE_OFFSET) || |
639 | handle >= (HCI_HANDLE_OFFSET | HCI_HANDLES_MAX) || |
640 | !hci->lm.handle[handle & ~HCI_HANDLE_OFFSET].link; |
641 | } |
642 | |
643 | static inline int bt_hci_role_master(struct bt_hci_s *hci, uint16_t handle) |
644 | { |
645 | return !!(hci->lm.role_bmp & (1 << (handle & ~HCI_HANDLE_OFFSET))); |
646 | } |
647 | |
648 | static inline struct bt_device_s *bt_hci_remote_dev(struct bt_hci_s *hci, |
649 | uint16_t handle) |
650 | { |
651 | struct bt_link_s *link = hci->lm.handle[handle & ~HCI_HANDLE_OFFSET].link; |
652 | |
653 | return bt_hci_role_master(hci, handle) ? link->slave : link->host; |
654 | } |
655 | |
656 | static void bt_hci_mode_tick(void *opaque); |
657 | static void bt_hci_lmp_link_establish(struct bt_hci_s *hci, |
658 | struct bt_link_s *link, int master) |
659 | { |
660 | hci->lm.handle[hci->lm.last_handle].link = link; |
661 | |
662 | if (master) { |
663 | /* We are the master side of an ACL link */ |
664 | hci->lm.role_bmp |= 1 << hci->lm.last_handle; |
665 | |
666 | hci->lm.handle[hci->lm.last_handle].lmp_acl_data = |
667 | link->slave->lmp_acl_data; |
668 | } else { |
669 | /* We are the slave side of an ACL link */ |
670 | hci->lm.role_bmp &= ~(1 << hci->lm.last_handle); |
671 | |
672 | hci->lm.handle[hci->lm.last_handle].lmp_acl_data = |
673 | link->host->lmp_acl_resp; |
674 | } |
675 | |
676 | /* Mode */ |
677 | if (master) { |
678 | link->acl_mode = acl_active; |
679 | hci->lm.handle[hci->lm.last_handle].acl_mode_timer = |
680 | timer_new_ns(QEMU_CLOCK_VIRTUAL, bt_hci_mode_tick, link); |
681 | } |
682 | } |
683 | |
684 | static void bt_hci_lmp_link_teardown(struct bt_hci_s *hci, uint16_t handle) |
685 | { |
686 | handle &= ~HCI_HANDLE_OFFSET; |
687 | hci->lm.handle[handle].link = NULL; |
688 | |
689 | if (bt_hci_role_master(hci, handle)) { |
690 | timer_del(hci->lm.handle[handle].acl_mode_timer); |
691 | timer_free(hci->lm.handle[handle].acl_mode_timer); |
692 | } |
693 | } |
694 | |
695 | static int bt_hci_connect(struct bt_hci_s *hci, bdaddr_t *bdaddr) |
696 | { |
697 | struct bt_device_s *slave; |
698 | struct bt_link_s link; |
699 | |
700 | for (slave = hci->device.net->slave; slave; slave = slave->next) |
701 | if (slave->page_scan && !bacmp(&slave->bd_addr, bdaddr)) |
702 | break; |
703 | if (!slave || slave == &hci->device) |
704 | return -ENODEV; |
705 | |
706 | bacpy(&hci->lm.awaiting_bdaddr[hci->lm.connecting ++], &slave->bd_addr); |
707 | |
708 | link.slave = slave; |
709 | link.host = &hci->device; |
710 | link.slave->lmp_connection_request(&link); /* Always last */ |
711 | |
712 | return 0; |
713 | } |
714 | |
715 | static void bt_hci_connection_reject(struct bt_hci_s *hci, |
716 | struct bt_device_s *host, uint8_t because) |
717 | { |
718 | struct bt_link_s link = { |
719 | .slave = &hci->device, |
720 | .host = host, |
721 | /* Rest uninitialised */ |
722 | }; |
723 | |
724 | host->reject_reason = because; |
725 | host->lmp_connection_complete(&link); |
726 | } |
727 | |
728 | static void bt_hci_connection_reject_event(struct bt_hci_s *hci, |
729 | bdaddr_t *bdaddr) |
730 | { |
731 | evt_conn_complete params; |
732 | |
733 | params.status = HCI_NO_CONNECTION; |
734 | params.handle = 0; |
735 | bacpy(¶ms.bdaddr, bdaddr); |
736 | params.link_type = ACL_LINK; |
737 | params.encr_mode = 0x00; /* Encryption not required */ |
738 | bt_hci_event(hci, EVT_CONN_COMPLETE, ¶ms, EVT_CONN_COMPLETE_SIZE); |
739 | } |
740 | |
741 | static void bt_hci_connection_accept(struct bt_hci_s *hci, |
742 | struct bt_device_s *host) |
743 | { |
744 | struct bt_hci_link_s *link = g_malloc0(sizeof(struct bt_hci_link_s)); |
745 | evt_conn_complete params; |
746 | uint16_t handle; |
747 | uint8_t status = HCI_SUCCESS; |
748 | int tries = HCI_HANDLES_MAX; |
749 | |
750 | /* Make a connection handle */ |
751 | do { |
752 | while (hci->lm.handle[++ hci->lm.last_handle].link && -- tries) |
753 | hci->lm.last_handle &= HCI_HANDLES_MAX - 1; |
754 | handle = hci->lm.last_handle | HCI_HANDLE_OFFSET; |
755 | } while ((handle == hci->asb_handle || handle == hci->psb_handle) && |
756 | tries); |
757 | |
758 | if (!tries) { |
759 | g_free(link); |
760 | bt_hci_connection_reject(hci, host, HCI_REJECTED_LIMITED_RESOURCES); |
761 | status = HCI_NO_CONNECTION; |
762 | goto complete; |
763 | } |
764 | |
765 | link->btlink.slave = &hci->device; |
766 | link->btlink.host = host; |
767 | link->handle = handle; |
768 | |
769 | /* Link established */ |
770 | bt_hci_lmp_link_establish(hci, &link->btlink, 0); |
771 | |
772 | complete: |
773 | params.status = status; |
774 | params.handle = HNDL(handle); |
775 | bacpy(¶ms.bdaddr, &host->bd_addr); |
776 | params.link_type = ACL_LINK; |
777 | params.encr_mode = 0x00; /* Encryption not required */ |
778 | bt_hci_event(hci, EVT_CONN_COMPLETE, ¶ms, EVT_CONN_COMPLETE_SIZE); |
779 | |
780 | /* Neets to be done at the very end because it can trigger a (nested) |
781 | * disconnected, in case the other and had cancelled the request |
782 | * locally. */ |
783 | if (status == HCI_SUCCESS) { |
784 | host->reject_reason = 0; |
785 | host->lmp_connection_complete(&link->btlink); |
786 | } |
787 | } |
788 | |
789 | static void bt_hci_lmp_connection_request(struct bt_link_s *link) |
790 | { |
791 | struct bt_hci_s *hci = hci_from_device(link->slave); |
792 | evt_conn_request params; |
793 | |
794 | if (hci->conn_req_host) { |
795 | bt_hci_connection_reject(hci, link->host, |
796 | HCI_REJECTED_LIMITED_RESOURCES); |
797 | return; |
798 | } |
799 | hci->conn_req_host = link->host; |
800 | /* TODO: if masked and auto-accept, then auto-accept, |
801 | * if masked and not auto-accept, then auto-reject */ |
802 | /* TODO: kick the hci->conn_accept_timer, timeout after |
803 | * hci->conn_accept_tout * 0.625 msec */ |
804 | |
805 | bacpy(¶ms.bdaddr, &link->host->bd_addr); |
806 | memcpy(¶ms.dev_class, &link->host->class, sizeof(params.dev_class)); |
807 | params.link_type = ACL_LINK; |
808 | bt_hci_event(hci, EVT_CONN_REQUEST, ¶ms, EVT_CONN_REQUEST_SIZE); |
809 | } |
810 | |
811 | static void bt_hci_conn_accept_timeout(void *opaque) |
812 | { |
813 | struct bt_hci_s *hci = (struct bt_hci_s *) opaque; |
814 | |
815 | if (!hci->conn_req_host) |
816 | /* Already accepted or rejected. If the other end cancelled the |
817 | * connection request then we still have to reject or accept it |
818 | * and then we'll get a disconnect. */ |
819 | return; |
820 | |
821 | /* TODO */ |
822 | } |
823 | |
824 | /* Remove from the list of devices which we wanted to connect to and |
825 | * are awaiting a response from. If the callback sees a response from |
826 | * a device which is not on the list it will assume it's a connection |
827 | * that's been cancelled by the host in the meantime and immediately |
828 | * try to detach the link and send a Connection Complete. */ |
829 | static int bt_hci_lmp_connection_ready(struct bt_hci_s *hci, |
830 | bdaddr_t *bdaddr) |
831 | { |
832 | int i; |
833 | |
834 | for (i = 0; i < hci->lm.connecting; i ++) |
835 | if (!bacmp(&hci->lm.awaiting_bdaddr[i], bdaddr)) { |
836 | if (i < -- hci->lm.connecting) |
837 | bacpy(&hci->lm.awaiting_bdaddr[i], |
838 | &hci->lm.awaiting_bdaddr[hci->lm.connecting]); |
839 | return 0; |
840 | } |
841 | |
842 | return 1; |
843 | } |
844 | |
845 | static void bt_hci_lmp_connection_complete(struct bt_link_s *link) |
846 | { |
847 | struct bt_hci_s *hci = hci_from_device(link->host); |
848 | evt_conn_complete params; |
849 | uint16_t handle; |
850 | uint8_t status = HCI_SUCCESS; |
851 | int tries = HCI_HANDLES_MAX; |
852 | |
853 | if (bt_hci_lmp_connection_ready(hci, &link->slave->bd_addr)) { |
854 | if (!hci->device.reject_reason) |
855 | link->slave->lmp_disconnect_slave(link); |
856 | handle = 0; |
857 | status = HCI_NO_CONNECTION; |
858 | goto complete; |
859 | } |
860 | |
861 | if (hci->device.reject_reason) { |
862 | handle = 0; |
863 | status = hci->device.reject_reason; |
864 | goto complete; |
865 | } |
866 | |
867 | /* Make a connection handle */ |
868 | do { |
869 | while (hci->lm.handle[++ hci->lm.last_handle].link && -- tries) |
870 | hci->lm.last_handle &= HCI_HANDLES_MAX - 1; |
871 | handle = hci->lm.last_handle | HCI_HANDLE_OFFSET; |
872 | } while ((handle == hci->asb_handle || handle == hci->psb_handle) && |
873 | tries); |
874 | |
875 | if (!tries) { |
876 | link->slave->lmp_disconnect_slave(link); |
877 | status = HCI_NO_CONNECTION; |
878 | goto complete; |
879 | } |
880 | |
881 | /* Link established */ |
882 | link->handle = handle; |
883 | bt_hci_lmp_link_establish(hci, link, 1); |
884 | |
885 | complete: |
886 | params.status = status; |
887 | params.handle = HNDL(handle); |
888 | params.link_type = ACL_LINK; |
889 | bacpy(¶ms.bdaddr, &link->slave->bd_addr); |
890 | params.encr_mode = 0x00; /* Encryption not required */ |
891 | bt_hci_event(hci, EVT_CONN_COMPLETE, ¶ms, EVT_CONN_COMPLETE_SIZE); |
892 | } |
893 | |
894 | static void bt_hci_disconnect(struct bt_hci_s *hci, |
895 | uint16_t handle, int reason) |
896 | { |
897 | struct bt_link_s *btlink = |
898 | hci->lm.handle[handle & ~HCI_HANDLE_OFFSET].link; |
899 | struct bt_hci_link_s *link; |
900 | evt_disconn_complete params; |
901 | |
902 | if (bt_hci_role_master(hci, handle)) { |
903 | btlink->slave->reject_reason = reason; |
904 | btlink->slave->lmp_disconnect_slave(btlink); |
905 | /* The link pointer is invalid from now on */ |
906 | |
907 | goto complete; |
908 | } |
909 | |
910 | btlink->host->reject_reason = reason; |
911 | btlink->host->lmp_disconnect_master(btlink); |
912 | |
913 | /* We are the slave, we get to clean this burden */ |
914 | link = (struct bt_hci_link_s *) btlink; |
915 | g_free(link); |
916 | |
917 | complete: |
918 | bt_hci_lmp_link_teardown(hci, handle); |
919 | |
920 | params.status = HCI_SUCCESS; |
921 | params.handle = HNDL(handle); |
922 | params.reason = HCI_CONNECTION_TERMINATED; |
923 | bt_hci_event(hci, EVT_DISCONN_COMPLETE, |
924 | ¶ms, EVT_DISCONN_COMPLETE_SIZE); |
925 | } |
926 | |
927 | /* TODO: use only one function */ |
928 | static void bt_hci_lmp_disconnect_host(struct bt_link_s *link) |
929 | { |
930 | struct bt_hci_s *hci = hci_from_device(link->host); |
931 | uint16_t handle = link->handle; |
932 | evt_disconn_complete params; |
933 | |
934 | bt_hci_lmp_link_teardown(hci, handle); |
935 | |
936 | params.status = HCI_SUCCESS; |
937 | params.handle = HNDL(handle); |
938 | params.reason = hci->device.reject_reason; |
939 | bt_hci_event(hci, EVT_DISCONN_COMPLETE, |
940 | ¶ms, EVT_DISCONN_COMPLETE_SIZE); |
941 | } |
942 | |
943 | static void bt_hci_lmp_disconnect_slave(struct bt_link_s *btlink) |
944 | { |
945 | struct bt_hci_link_s *link = (struct bt_hci_link_s *) btlink; |
946 | struct bt_hci_s *hci = hci_from_device(btlink->slave); |
947 | uint16_t handle = link->handle; |
948 | evt_disconn_complete params; |
949 | |
950 | g_free(link); |
951 | |
952 | bt_hci_lmp_link_teardown(hci, handle); |
953 | |
954 | params.status = HCI_SUCCESS; |
955 | params.handle = HNDL(handle); |
956 | params.reason = hci->device.reject_reason; |
957 | bt_hci_event(hci, EVT_DISCONN_COMPLETE, |
958 | ¶ms, EVT_DISCONN_COMPLETE_SIZE); |
959 | } |
960 | |
961 | static int bt_hci_name_req(struct bt_hci_s *hci, bdaddr_t *bdaddr) |
962 | { |
963 | struct bt_device_s *slave; |
964 | evt_remote_name_req_complete params; |
965 | |
966 | for (slave = hci->device.net->slave; slave; slave = slave->next) |
967 | if (slave->page_scan && !bacmp(&slave->bd_addr, bdaddr)) |
968 | break; |
969 | if (!slave) |
970 | return -ENODEV; |
971 | |
972 | bt_hci_event_status(hci, HCI_SUCCESS); |
973 | |
974 | params.status = HCI_SUCCESS; |
975 | bacpy(¶ms.bdaddr, &slave->bd_addr); |
976 | pstrcpy(params.name, sizeof(params.name), slave->lmp_name ?: "" ); |
977 | bt_hci_event(hci, EVT_REMOTE_NAME_REQ_COMPLETE, |
978 | ¶ms, EVT_REMOTE_NAME_REQ_COMPLETE_SIZE); |
979 | |
980 | return 0; |
981 | } |
982 | |
983 | static int bt_hci_features_req(struct bt_hci_s *hci, uint16_t handle) |
984 | { |
985 | struct bt_device_s *slave; |
986 | evt_read_remote_features_complete params; |
987 | |
988 | if (bt_hci_handle_bad(hci, handle)) |
989 | return -ENODEV; |
990 | |
991 | slave = bt_hci_remote_dev(hci, handle); |
992 | |
993 | bt_hci_event_status(hci, HCI_SUCCESS); |
994 | |
995 | params.status = HCI_SUCCESS; |
996 | params.handle = HNDL(handle); |
997 | params.features[0] = (slave->lmp_caps >> 0) & 0xff; |
998 | params.features[1] = (slave->lmp_caps >> 8) & 0xff; |
999 | params.features[2] = (slave->lmp_caps >> 16) & 0xff; |
1000 | params.features[3] = (slave->lmp_caps >> 24) & 0xff; |
1001 | params.features[4] = (slave->lmp_caps >> 32) & 0xff; |
1002 | params.features[5] = (slave->lmp_caps >> 40) & 0xff; |
1003 | params.features[6] = (slave->lmp_caps >> 48) & 0xff; |
1004 | params.features[7] = (slave->lmp_caps >> 56) & 0xff; |
1005 | bt_hci_event(hci, EVT_READ_REMOTE_FEATURES_COMPLETE, |
1006 | ¶ms, EVT_READ_REMOTE_FEATURES_COMPLETE_SIZE); |
1007 | |
1008 | return 0; |
1009 | } |
1010 | |
1011 | static int bt_hci_version_req(struct bt_hci_s *hci, uint16_t handle) |
1012 | { |
1013 | evt_read_remote_version_complete params; |
1014 | |
1015 | if (bt_hci_handle_bad(hci, handle)) |
1016 | return -ENODEV; |
1017 | |
1018 | bt_hci_remote_dev(hci, handle); |
1019 | |
1020 | bt_hci_event_status(hci, HCI_SUCCESS); |
1021 | |
1022 | params.status = HCI_SUCCESS; |
1023 | params.handle = HNDL(handle); |
1024 | params.lmp_ver = 0x03; |
1025 | params.manufacturer = cpu_to_le16(0xa000); |
1026 | params.lmp_subver = cpu_to_le16(0xa607); |
1027 | bt_hci_event(hci, EVT_READ_REMOTE_VERSION_COMPLETE, |
1028 | ¶ms, EVT_READ_REMOTE_VERSION_COMPLETE_SIZE); |
1029 | |
1030 | return 0; |
1031 | } |
1032 | |
1033 | static int bt_hci_clkoffset_req(struct bt_hci_s *hci, uint16_t handle) |
1034 | { |
1035 | struct bt_device_s *slave; |
1036 | evt_read_clock_offset_complete params; |
1037 | |
1038 | if (bt_hci_handle_bad(hci, handle)) |
1039 | return -ENODEV; |
1040 | |
1041 | slave = bt_hci_remote_dev(hci, handle); |
1042 | |
1043 | bt_hci_event_status(hci, HCI_SUCCESS); |
1044 | |
1045 | params.status = HCI_SUCCESS; |
1046 | params.handle = HNDL(handle); |
1047 | /* TODO: return the clkoff *differenece* */ |
1048 | params.clock_offset = slave->clkoff; /* Note: no swapping */ |
1049 | bt_hci_event(hci, EVT_READ_CLOCK_OFFSET_COMPLETE, |
1050 | ¶ms, EVT_READ_CLOCK_OFFSET_COMPLETE_SIZE); |
1051 | |
1052 | return 0; |
1053 | } |
1054 | |
1055 | static void bt_hci_event_mode(struct bt_hci_s *hci, struct bt_link_s *link, |
1056 | uint16_t handle) |
1057 | { |
1058 | evt_mode_change params = { |
1059 | .status = HCI_SUCCESS, |
1060 | .handle = HNDL(handle), |
1061 | .mode = link->acl_mode, |
1062 | .interval = cpu_to_le16(link->acl_interval), |
1063 | }; |
1064 | |
1065 | bt_hci_event(hci, EVT_MODE_CHANGE, ¶ms, EVT_MODE_CHANGE_SIZE); |
1066 | } |
1067 | |
1068 | static void bt_hci_lmp_mode_change_master(struct bt_hci_s *hci, |
1069 | struct bt_link_s *link, int mode, uint16_t interval) |
1070 | { |
1071 | link->acl_mode = mode; |
1072 | link->acl_interval = interval; |
1073 | |
1074 | bt_hci_event_mode(hci, link, link->handle); |
1075 | |
1076 | link->slave->lmp_mode_change(link); |
1077 | } |
1078 | |
1079 | static void bt_hci_lmp_mode_change_slave(struct bt_link_s *btlink) |
1080 | { |
1081 | struct bt_hci_link_s *link = (struct bt_hci_link_s *) btlink; |
1082 | struct bt_hci_s *hci = hci_from_device(btlink->slave); |
1083 | |
1084 | bt_hci_event_mode(hci, btlink, link->handle); |
1085 | } |
1086 | |
1087 | static int bt_hci_mode_change(struct bt_hci_s *hci, uint16_t handle, |
1088 | int interval, int mode) |
1089 | { |
1090 | struct bt_hci_master_link_s *link; |
1091 | |
1092 | if (bt_hci_handle_bad(hci, handle) || !bt_hci_role_master(hci, handle)) |
1093 | return -ENODEV; |
1094 | |
1095 | link = &hci->lm.handle[handle & ~HCI_HANDLE_OFFSET]; |
1096 | if (link->link->acl_mode != acl_active) { |
1097 | bt_hci_event_status(hci, HCI_COMMAND_DISALLOWED); |
1098 | return 0; |
1099 | } |
1100 | |
1101 | bt_hci_event_status(hci, HCI_SUCCESS); |
1102 | |
1103 | timer_mod(link->acl_mode_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + |
1104 | ((uint64_t)interval * 625) * 1000); |
1105 | bt_hci_lmp_mode_change_master(hci, link->link, mode, interval); |
1106 | |
1107 | return 0; |
1108 | } |
1109 | |
1110 | static int bt_hci_mode_cancel(struct bt_hci_s *hci, uint16_t handle, int mode) |
1111 | { |
1112 | struct bt_hci_master_link_s *link; |
1113 | |
1114 | if (bt_hci_handle_bad(hci, handle) || !bt_hci_role_master(hci, handle)) |
1115 | return -ENODEV; |
1116 | |
1117 | link = &hci->lm.handle[handle & ~HCI_HANDLE_OFFSET]; |
1118 | if (link->link->acl_mode != mode) { |
1119 | bt_hci_event_status(hci, HCI_COMMAND_DISALLOWED); |
1120 | |
1121 | return 0; |
1122 | } |
1123 | |
1124 | bt_hci_event_status(hci, HCI_SUCCESS); |
1125 | |
1126 | timer_del(link->acl_mode_timer); |
1127 | bt_hci_lmp_mode_change_master(hci, link->link, acl_active, 0); |
1128 | |
1129 | return 0; |
1130 | } |
1131 | |
1132 | static void bt_hci_mode_tick(void *opaque) |
1133 | { |
1134 | struct bt_link_s *link = opaque; |
1135 | struct bt_hci_s *hci = hci_from_device(link->host); |
1136 | |
1137 | bt_hci_lmp_mode_change_master(hci, link, acl_active, 0); |
1138 | } |
1139 | |
1140 | static void bt_hci_reset(struct bt_hci_s *hci) |
1141 | { |
1142 | hci->acl_len = 0; |
1143 | hci->last_cmd = 0; |
1144 | hci->lm.connecting = 0; |
1145 | |
1146 | hci->event_mask[0] = 0xff; |
1147 | hci->event_mask[1] = 0xff; |
1148 | hci->event_mask[2] = 0xff; |
1149 | hci->event_mask[3] = 0xff; |
1150 | hci->event_mask[4] = 0xff; |
1151 | hci->event_mask[5] = 0x1f; |
1152 | hci->event_mask[6] = 0x00; |
1153 | hci->event_mask[7] = 0x00; |
1154 | hci->device.inquiry_scan = 0; |
1155 | hci->device.page_scan = 0; |
1156 | g_free((void *) hci->device.lmp_name); |
1157 | hci->device.lmp_name = NULL; |
1158 | hci->device.class[0] = 0x00; |
1159 | hci->device.class[1] = 0x00; |
1160 | hci->device.class[2] = 0x00; |
1161 | hci->voice_setting = 0x0000; |
1162 | hci->conn_accept_tout = 0x1f40; |
1163 | hci->lm.inquiry_mode = 0x00; |
1164 | |
1165 | hci->psb_handle = 0x000; |
1166 | hci->asb_handle = 0x000; |
1167 | |
1168 | /* XXX: timer_del(sl->acl_mode_timer); for all links */ |
1169 | timer_del(hci->lm.inquiry_done); |
1170 | timer_del(hci->lm.inquiry_next); |
1171 | timer_del(hci->conn_accept_timer); |
1172 | } |
1173 | |
1174 | static void bt_hci_read_local_version_rp(struct bt_hci_s *hci) |
1175 | { |
1176 | read_local_version_rp lv = { |
1177 | .status = HCI_SUCCESS, |
1178 | .hci_ver = 0x03, |
1179 | .hci_rev = cpu_to_le16(0xa607), |
1180 | .lmp_ver = 0x03, |
1181 | .manufacturer = cpu_to_le16(0xa000), |
1182 | .lmp_subver = cpu_to_le16(0xa607), |
1183 | }; |
1184 | |
1185 | bt_hci_event_complete(hci, &lv, READ_LOCAL_VERSION_RP_SIZE); |
1186 | } |
1187 | |
1188 | static void bt_hci_read_local_commands_rp(struct bt_hci_s *hci) |
1189 | { |
1190 | read_local_commands_rp lc = { |
1191 | .status = HCI_SUCCESS, |
1192 | .commands = { |
1193 | /* Keep updated! */ |
1194 | /* Also, keep in sync with hci->device.lmp_caps in bt_new_hci */ |
1195 | 0xbf, 0x80, 0xf9, 0x03, 0xb2, 0xc0, 0x03, 0xc3, |
1196 | 0x00, 0x0f, 0x80, 0x00, 0xc0, 0x00, 0xe8, 0x13, |
1197 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
1198 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
1199 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
1200 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
1201 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
1202 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
1203 | }, |
1204 | }; |
1205 | |
1206 | bt_hci_event_complete(hci, &lc, READ_LOCAL_COMMANDS_RP_SIZE); |
1207 | } |
1208 | |
1209 | static void bt_hci_read_local_features_rp(struct bt_hci_s *hci) |
1210 | { |
1211 | read_local_features_rp lf = { |
1212 | .status = HCI_SUCCESS, |
1213 | .features = { |
1214 | (hci->device.lmp_caps >> 0) & 0xff, |
1215 | (hci->device.lmp_caps >> 8) & 0xff, |
1216 | (hci->device.lmp_caps >> 16) & 0xff, |
1217 | (hci->device.lmp_caps >> 24) & 0xff, |
1218 | (hci->device.lmp_caps >> 32) & 0xff, |
1219 | (hci->device.lmp_caps >> 40) & 0xff, |
1220 | (hci->device.lmp_caps >> 48) & 0xff, |
1221 | (hci->device.lmp_caps >> 56) & 0xff, |
1222 | }, |
1223 | }; |
1224 | |
1225 | bt_hci_event_complete(hci, &lf, READ_LOCAL_FEATURES_RP_SIZE); |
1226 | } |
1227 | |
1228 | static void bt_hci_read_local_ext_features_rp(struct bt_hci_s *hci, int page) |
1229 | { |
1230 | read_local_ext_features_rp lef = { |
1231 | .status = HCI_SUCCESS, |
1232 | .page_num = page, |
1233 | .max_page_num = 0x00, |
1234 | .features = { |
1235 | /* Keep updated! */ |
1236 | 0x5f, 0x35, 0x85, 0x7e, 0x9b, 0x19, 0x00, 0x80, |
1237 | }, |
1238 | }; |
1239 | if (page) |
1240 | memset(lef.features, 0, sizeof(lef.features)); |
1241 | |
1242 | bt_hci_event_complete(hci, &lef, READ_LOCAL_EXT_FEATURES_RP_SIZE); |
1243 | } |
1244 | |
1245 | static void bt_hci_read_buffer_size_rp(struct bt_hci_s *hci) |
1246 | { |
1247 | read_buffer_size_rp bs = { |
1248 | /* This can be made configurable, for one standard USB dongle HCI |
1249 | * the four values are cpu_to_le16(0x0180), 0x40, |
1250 | * cpu_to_le16(0x0008), cpu_to_le16(0x0008). */ |
1251 | .status = HCI_SUCCESS, |
1252 | .acl_mtu = cpu_to_le16(0x0200), |
1253 | .sco_mtu = 0, |
1254 | .acl_max_pkt = cpu_to_le16(0x0001), |
1255 | .sco_max_pkt = cpu_to_le16(0x0000), |
1256 | }; |
1257 | |
1258 | bt_hci_event_complete(hci, &bs, READ_BUFFER_SIZE_RP_SIZE); |
1259 | } |
1260 | |
1261 | /* Deprecated in V2.0 (page 661) */ |
1262 | static void bt_hci_read_country_code_rp(struct bt_hci_s *hci) |
1263 | { |
1264 | read_country_code_rp cc ={ |
1265 | .status = HCI_SUCCESS, |
1266 | .country_code = 0x00, /* North America & Europe^1 and Japan */ |
1267 | }; |
1268 | |
1269 | bt_hci_event_complete(hci, &cc, READ_COUNTRY_CODE_RP_SIZE); |
1270 | |
1271 | /* ^1. Except France, sorry */ |
1272 | } |
1273 | |
1274 | static void bt_hci_read_bd_addr_rp(struct bt_hci_s *hci) |
1275 | { |
1276 | read_bd_addr_rp ba = { |
1277 | .status = HCI_SUCCESS, |
1278 | .bdaddr = BAINIT(&hci->device.bd_addr), |
1279 | }; |
1280 | |
1281 | bt_hci_event_complete(hci, &ba, READ_BD_ADDR_RP_SIZE); |
1282 | } |
1283 | |
1284 | static int bt_hci_link_quality_rp(struct bt_hci_s *hci, uint16_t handle) |
1285 | { |
1286 | read_link_quality_rp lq = { |
1287 | .status = HCI_SUCCESS, |
1288 | .handle = HNDL(handle), |
1289 | .link_quality = 0xff, |
1290 | }; |
1291 | |
1292 | if (bt_hci_handle_bad(hci, handle)) |
1293 | lq.status = HCI_NO_CONNECTION; |
1294 | |
1295 | bt_hci_event_complete(hci, &lq, READ_LINK_QUALITY_RP_SIZE); |
1296 | return 0; |
1297 | } |
1298 | |
1299 | /* Generate a Command Complete event with only the Status parameter */ |
1300 | static inline void bt_hci_event_complete_status(struct bt_hci_s *hci, |
1301 | uint8_t status) |
1302 | { |
1303 | bt_hci_event_complete(hci, &status, 1); |
1304 | } |
1305 | |
1306 | static inline void bt_hci_event_complete_conn_cancel(struct bt_hci_s *hci, |
1307 | uint8_t status, bdaddr_t *bd_addr) |
1308 | { |
1309 | create_conn_cancel_rp params = { |
1310 | .status = status, |
1311 | .bdaddr = BAINIT(bd_addr), |
1312 | }; |
1313 | |
1314 | bt_hci_event_complete(hci, ¶ms, CREATE_CONN_CANCEL_RP_SIZE); |
1315 | } |
1316 | |
1317 | static inline void bt_hci_event_auth_complete(struct bt_hci_s *hci, |
1318 | uint16_t handle) |
1319 | { |
1320 | evt_auth_complete params = { |
1321 | .status = HCI_SUCCESS, |
1322 | .handle = HNDL(handle), |
1323 | }; |
1324 | |
1325 | bt_hci_event(hci, EVT_AUTH_COMPLETE, ¶ms, EVT_AUTH_COMPLETE_SIZE); |
1326 | } |
1327 | |
1328 | static inline void bt_hci_event_encrypt_change(struct bt_hci_s *hci, |
1329 | uint16_t handle, uint8_t mode) |
1330 | { |
1331 | evt_encrypt_change params = { |
1332 | .status = HCI_SUCCESS, |
1333 | .handle = HNDL(handle), |
1334 | .encrypt = mode, |
1335 | }; |
1336 | |
1337 | bt_hci_event(hci, EVT_ENCRYPT_CHANGE, ¶ms, EVT_ENCRYPT_CHANGE_SIZE); |
1338 | } |
1339 | |
1340 | static inline void bt_hci_event_complete_name_cancel(struct bt_hci_s *hci, |
1341 | bdaddr_t *bd_addr) |
1342 | { |
1343 | remote_name_req_cancel_rp params = { |
1344 | .status = HCI_INVALID_PARAMETERS, |
1345 | .bdaddr = BAINIT(bd_addr), |
1346 | }; |
1347 | |
1348 | bt_hci_event_complete(hci, ¶ms, REMOTE_NAME_REQ_CANCEL_RP_SIZE); |
1349 | } |
1350 | |
1351 | static inline void bt_hci_event_read_remote_ext_features(struct bt_hci_s *hci, |
1352 | uint16_t handle) |
1353 | { |
1354 | evt_read_remote_ext_features_complete params = { |
1355 | .status = HCI_UNSUPPORTED_FEATURE, |
1356 | .handle = HNDL(handle), |
1357 | /* Rest uninitialised */ |
1358 | }; |
1359 | |
1360 | bt_hci_event(hci, EVT_READ_REMOTE_EXT_FEATURES_COMPLETE, |
1361 | ¶ms, EVT_READ_REMOTE_EXT_FEATURES_COMPLETE_SIZE); |
1362 | } |
1363 | |
1364 | static inline void bt_hci_event_complete_lmp_handle(struct bt_hci_s *hci, |
1365 | uint16_t handle) |
1366 | { |
1367 | read_lmp_handle_rp params = { |
1368 | .status = HCI_NO_CONNECTION, |
1369 | .handle = HNDL(handle), |
1370 | .reserved = 0, |
1371 | /* Rest uninitialised */ |
1372 | }; |
1373 | |
1374 | bt_hci_event_complete(hci, ¶ms, READ_LMP_HANDLE_RP_SIZE); |
1375 | } |
1376 | |
1377 | static inline void bt_hci_event_complete_role_discovery(struct bt_hci_s *hci, |
1378 | int status, uint16_t handle, int master) |
1379 | { |
1380 | role_discovery_rp params = { |
1381 | .status = status, |
1382 | .handle = HNDL(handle), |
1383 | .role = master ? 0x00 : 0x01, |
1384 | }; |
1385 | |
1386 | bt_hci_event_complete(hci, ¶ms, ROLE_DISCOVERY_RP_SIZE); |
1387 | } |
1388 | |
1389 | static inline void bt_hci_event_complete_flush(struct bt_hci_s *hci, |
1390 | int status, uint16_t handle) |
1391 | { |
1392 | flush_rp params = { |
1393 | .status = status, |
1394 | .handle = HNDL(handle), |
1395 | }; |
1396 | |
1397 | bt_hci_event_complete(hci, ¶ms, FLUSH_RP_SIZE); |
1398 | } |
1399 | |
1400 | static inline void bt_hci_event_complete_read_local_name(struct bt_hci_s *hci) |
1401 | { |
1402 | read_local_name_rp params; |
1403 | params.status = HCI_SUCCESS; |
1404 | memset(params.name, 0, sizeof(params.name)); |
1405 | if (hci->device.lmp_name) |
1406 | pstrcpy(params.name, sizeof(params.name), hci->device.lmp_name); |
1407 | |
1408 | bt_hci_event_complete(hci, ¶ms, READ_LOCAL_NAME_RP_SIZE); |
1409 | } |
1410 | |
1411 | static inline void bt_hci_event_complete_read_conn_accept_timeout( |
1412 | struct bt_hci_s *hci) |
1413 | { |
1414 | read_conn_accept_timeout_rp params = { |
1415 | .status = HCI_SUCCESS, |
1416 | .timeout = cpu_to_le16(hci->conn_accept_tout), |
1417 | }; |
1418 | |
1419 | bt_hci_event_complete(hci, ¶ms, READ_CONN_ACCEPT_TIMEOUT_RP_SIZE); |
1420 | } |
1421 | |
1422 | static inline void bt_hci_event_complete_read_scan_enable(struct bt_hci_s *hci) |
1423 | { |
1424 | read_scan_enable_rp params = { |
1425 | .status = HCI_SUCCESS, |
1426 | .enable = |
1427 | (hci->device.inquiry_scan ? SCAN_INQUIRY : 0) | |
1428 | (hci->device.page_scan ? SCAN_PAGE : 0), |
1429 | }; |
1430 | |
1431 | bt_hci_event_complete(hci, ¶ms, READ_SCAN_ENABLE_RP_SIZE); |
1432 | } |
1433 | |
1434 | static inline void bt_hci_event_complete_read_local_class(struct bt_hci_s *hci) |
1435 | { |
1436 | read_class_of_dev_rp params; |
1437 | |
1438 | params.status = HCI_SUCCESS; |
1439 | memcpy(params.dev_class, hci->device.class, sizeof(params.dev_class)); |
1440 | |
1441 | bt_hci_event_complete(hci, ¶ms, READ_CLASS_OF_DEV_RP_SIZE); |
1442 | } |
1443 | |
1444 | static inline void bt_hci_event_complete_voice_setting(struct bt_hci_s *hci) |
1445 | { |
1446 | read_voice_setting_rp params = { |
1447 | .status = HCI_SUCCESS, |
1448 | .voice_setting = hci->voice_setting, /* Note: no swapping */ |
1449 | }; |
1450 | |
1451 | bt_hci_event_complete(hci, ¶ms, READ_VOICE_SETTING_RP_SIZE); |
1452 | } |
1453 | |
1454 | static inline void bt_hci_event_complete_read_inquiry_mode( |
1455 | struct bt_hci_s *hci) |
1456 | { |
1457 | read_inquiry_mode_rp params = { |
1458 | .status = HCI_SUCCESS, |
1459 | .mode = hci->lm.inquiry_mode, |
1460 | }; |
1461 | |
1462 | bt_hci_event_complete(hci, ¶ms, READ_INQUIRY_MODE_RP_SIZE); |
1463 | } |
1464 | |
1465 | static inline void bt_hci_event_num_comp_pkts(struct bt_hci_s *hci, |
1466 | uint16_t handle, int packets) |
1467 | { |
1468 | uint16_t buf[EVT_NUM_COMP_PKTS_SIZE(1) / 2 + 1]; |
1469 | evt_num_comp_pkts *params = (void *) ((uint8_t *) buf + 1); |
1470 | |
1471 | params->num_hndl = 1; |
1472 | params->connection->handle = HNDL(handle); |
1473 | params->connection->num_packets = cpu_to_le16(packets); |
1474 | |
1475 | bt_hci_event(hci, EVT_NUM_COMP_PKTS, params, EVT_NUM_COMP_PKTS_SIZE(1)); |
1476 | } |
1477 | |
1478 | static void bt_submit_hci(struct HCIInfo *info, |
1479 | const uint8_t *data, int length) |
1480 | { |
1481 | struct bt_hci_s *hci = hci_from_info(info); |
1482 | uint16_t cmd; |
1483 | int paramlen, i; |
1484 | |
1485 | if (length < HCI_COMMAND_HDR_SIZE) |
1486 | goto short_hci; |
1487 | |
1488 | memcpy(&hci->last_cmd, data, 2); |
1489 | |
1490 | cmd = (data[1] << 8) | data[0]; |
1491 | paramlen = data[2]; |
1492 | if (cmd_opcode_ogf(cmd) == 0 || cmd_opcode_ocf(cmd) == 0) /* NOP */ |
1493 | return; |
1494 | |
1495 | data += HCI_COMMAND_HDR_SIZE; |
1496 | length -= HCI_COMMAND_HDR_SIZE; |
1497 | |
1498 | if (paramlen > length) |
1499 | return; |
1500 | |
1501 | #define PARAM(cmd, param) (((cmd##_cp *) data)->param) |
1502 | #define PARAM16(cmd, param) lduw_le_p(&PARAM(cmd, param)) |
1503 | #define PARAMHANDLE(cmd) PARAM16(cmd, handle) |
1504 | #define LENGTH_CHECK(cmd) if (length < sizeof(cmd##_cp)) goto short_hci |
1505 | /* Note: the supported commands bitmask in bt_hci_read_local_commands_rp |
1506 | * needs to be updated every time a command is implemented here! */ |
1507 | switch (cmd) { |
1508 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_INQUIRY): |
1509 | LENGTH_CHECK(inquiry); |
1510 | |
1511 | if (PARAM(inquiry, length) < 1) { |
1512 | bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS); |
1513 | break; |
1514 | } |
1515 | |
1516 | hci->lm.inquire = 1; |
1517 | hci->lm.periodic = 0; |
1518 | hci->lm.responses_left = PARAM(inquiry, num_rsp) ?: INT_MAX; |
1519 | hci->lm.responses = 0; |
1520 | bt_hci_event_status(hci, HCI_SUCCESS); |
1521 | bt_hci_inquiry_start(hci, PARAM(inquiry, length)); |
1522 | break; |
1523 | |
1524 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_INQUIRY_CANCEL): |
1525 | if (!hci->lm.inquire || hci->lm.periodic) { |
1526 | fprintf(stderr, "%s: Inquiry Cancel should only be issued after " |
1527 | "the Inquiry command has been issued, a Command " |
1528 | "Status event has been received for the Inquiry " |
1529 | "command, and before the Inquiry Complete event " |
1530 | "occurs" , __func__); |
1531 | bt_hci_event_complete_status(hci, HCI_COMMAND_DISALLOWED); |
1532 | break; |
1533 | } |
1534 | |
1535 | hci->lm.inquire = 0; |
1536 | timer_del(hci->lm.inquiry_done); |
1537 | bt_hci_event_complete_status(hci, HCI_SUCCESS); |
1538 | break; |
1539 | |
1540 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_PERIODIC_INQUIRY): |
1541 | LENGTH_CHECK(periodic_inquiry); |
1542 | |
1543 | if (!(PARAM(periodic_inquiry, length) < |
1544 | PARAM16(periodic_inquiry, min_period) && |
1545 | PARAM16(periodic_inquiry, min_period) < |
1546 | PARAM16(periodic_inquiry, max_period)) || |
1547 | PARAM(periodic_inquiry, length) < 1 || |
1548 | PARAM16(periodic_inquiry, min_period) < 2 || |
1549 | PARAM16(periodic_inquiry, max_period) < 3) { |
1550 | bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS); |
1551 | break; |
1552 | } |
1553 | |
1554 | hci->lm.inquire = 1; |
1555 | hci->lm.periodic = 1; |
1556 | hci->lm.responses_left = PARAM(periodic_inquiry, num_rsp); |
1557 | hci->lm.responses = 0; |
1558 | hci->lm.inquiry_period = PARAM16(periodic_inquiry, max_period); |
1559 | bt_hci_event_complete_status(hci, HCI_SUCCESS); |
1560 | bt_hci_inquiry_start(hci, PARAM(periodic_inquiry, length)); |
1561 | break; |
1562 | |
1563 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_EXIT_PERIODIC_INQUIRY): |
1564 | if (!hci->lm.inquire || !hci->lm.periodic) { |
1565 | fprintf(stderr, "%s: Inquiry Cancel should only be issued after " |
1566 | "the Inquiry command has been issued, a Command " |
1567 | "Status event has been received for the Inquiry " |
1568 | "command, and before the Inquiry Complete event " |
1569 | "occurs" , __func__); |
1570 | bt_hci_event_complete_status(hci, HCI_COMMAND_DISALLOWED); |
1571 | break; |
1572 | } |
1573 | hci->lm.inquire = 0; |
1574 | timer_del(hci->lm.inquiry_done); |
1575 | timer_del(hci->lm.inquiry_next); |
1576 | bt_hci_event_complete_status(hci, HCI_SUCCESS); |
1577 | break; |
1578 | |
1579 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_CREATE_CONN): |
1580 | LENGTH_CHECK(create_conn); |
1581 | |
1582 | if (hci->lm.connecting >= HCI_HANDLES_MAX) { |
1583 | bt_hci_event_status(hci, HCI_REJECTED_LIMITED_RESOURCES); |
1584 | break; |
1585 | } |
1586 | bt_hci_event_status(hci, HCI_SUCCESS); |
1587 | |
1588 | if (bt_hci_connect(hci, &PARAM(create_conn, bdaddr))) |
1589 | bt_hci_connection_reject_event(hci, &PARAM(create_conn, bdaddr)); |
1590 | break; |
1591 | |
1592 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_DISCONNECT): |
1593 | LENGTH_CHECK(disconnect); |
1594 | |
1595 | if (bt_hci_handle_bad(hci, PARAMHANDLE(disconnect))) { |
1596 | bt_hci_event_status(hci, HCI_NO_CONNECTION); |
1597 | break; |
1598 | } |
1599 | |
1600 | bt_hci_event_status(hci, HCI_SUCCESS); |
1601 | bt_hci_disconnect(hci, PARAMHANDLE(disconnect), |
1602 | PARAM(disconnect, reason)); |
1603 | break; |
1604 | |
1605 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_CREATE_CONN_CANCEL): |
1606 | LENGTH_CHECK(create_conn_cancel); |
1607 | |
1608 | if (bt_hci_lmp_connection_ready(hci, |
1609 | &PARAM(create_conn_cancel, bdaddr))) { |
1610 | for (i = 0; i < HCI_HANDLES_MAX; i ++) |
1611 | if (bt_hci_role_master(hci, i) && hci->lm.handle[i].link && |
1612 | !bacmp(&hci->lm.handle[i].link->slave->bd_addr, |
1613 | &PARAM(create_conn_cancel, bdaddr))) |
1614 | break; |
1615 | |
1616 | bt_hci_event_complete_conn_cancel(hci, i < HCI_HANDLES_MAX ? |
1617 | HCI_ACL_CONNECTION_EXISTS : HCI_NO_CONNECTION, |
1618 | &PARAM(create_conn_cancel, bdaddr)); |
1619 | } else |
1620 | bt_hci_event_complete_conn_cancel(hci, HCI_SUCCESS, |
1621 | &PARAM(create_conn_cancel, bdaddr)); |
1622 | break; |
1623 | |
1624 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_ACCEPT_CONN_REQ): |
1625 | LENGTH_CHECK(accept_conn_req); |
1626 | |
1627 | if (!hci->conn_req_host || |
1628 | bacmp(&PARAM(accept_conn_req, bdaddr), |
1629 | &hci->conn_req_host->bd_addr)) { |
1630 | bt_hci_event_status(hci, HCI_INVALID_PARAMETERS); |
1631 | break; |
1632 | } |
1633 | |
1634 | bt_hci_event_status(hci, HCI_SUCCESS); |
1635 | bt_hci_connection_accept(hci, hci->conn_req_host); |
1636 | hci->conn_req_host = NULL; |
1637 | break; |
1638 | |
1639 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_REJECT_CONN_REQ): |
1640 | LENGTH_CHECK(reject_conn_req); |
1641 | |
1642 | if (!hci->conn_req_host || |
1643 | bacmp(&PARAM(reject_conn_req, bdaddr), |
1644 | &hci->conn_req_host->bd_addr)) { |
1645 | bt_hci_event_status(hci, HCI_INVALID_PARAMETERS); |
1646 | break; |
1647 | } |
1648 | |
1649 | bt_hci_event_status(hci, HCI_SUCCESS); |
1650 | bt_hci_connection_reject(hci, hci->conn_req_host, |
1651 | PARAM(reject_conn_req, reason)); |
1652 | bt_hci_connection_reject_event(hci, &hci->conn_req_host->bd_addr); |
1653 | hci->conn_req_host = NULL; |
1654 | break; |
1655 | |
1656 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_AUTH_REQUESTED): |
1657 | LENGTH_CHECK(auth_requested); |
1658 | |
1659 | if (bt_hci_handle_bad(hci, PARAMHANDLE(auth_requested))) |
1660 | bt_hci_event_status(hci, HCI_NO_CONNECTION); |
1661 | else { |
1662 | bt_hci_event_status(hci, HCI_SUCCESS); |
1663 | bt_hci_event_auth_complete(hci, PARAMHANDLE(auth_requested)); |
1664 | } |
1665 | break; |
1666 | |
1667 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_SET_CONN_ENCRYPT): |
1668 | LENGTH_CHECK(set_conn_encrypt); |
1669 | |
1670 | if (bt_hci_handle_bad(hci, PARAMHANDLE(set_conn_encrypt))) |
1671 | bt_hci_event_status(hci, HCI_NO_CONNECTION); |
1672 | else { |
1673 | bt_hci_event_status(hci, HCI_SUCCESS); |
1674 | bt_hci_event_encrypt_change(hci, |
1675 | PARAMHANDLE(set_conn_encrypt), |
1676 | PARAM(set_conn_encrypt, encrypt)); |
1677 | } |
1678 | break; |
1679 | |
1680 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_REMOTE_NAME_REQ): |
1681 | LENGTH_CHECK(remote_name_req); |
1682 | |
1683 | if (bt_hci_name_req(hci, &PARAM(remote_name_req, bdaddr))) |
1684 | bt_hci_event_status(hci, HCI_NO_CONNECTION); |
1685 | break; |
1686 | |
1687 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_REMOTE_NAME_REQ_CANCEL): |
1688 | LENGTH_CHECK(remote_name_req_cancel); |
1689 | |
1690 | bt_hci_event_complete_name_cancel(hci, |
1691 | &PARAM(remote_name_req_cancel, bdaddr)); |
1692 | break; |
1693 | |
1694 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_REMOTE_FEATURES): |
1695 | LENGTH_CHECK(read_remote_features); |
1696 | |
1697 | if (bt_hci_features_req(hci, PARAMHANDLE(read_remote_features))) |
1698 | bt_hci_event_status(hci, HCI_NO_CONNECTION); |
1699 | break; |
1700 | |
1701 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_REMOTE_EXT_FEATURES): |
1702 | LENGTH_CHECK(read_remote_ext_features); |
1703 | |
1704 | if (bt_hci_handle_bad(hci, PARAMHANDLE(read_remote_ext_features))) |
1705 | bt_hci_event_status(hci, HCI_NO_CONNECTION); |
1706 | else { |
1707 | bt_hci_event_status(hci, HCI_SUCCESS); |
1708 | bt_hci_event_read_remote_ext_features(hci, |
1709 | PARAMHANDLE(read_remote_ext_features)); |
1710 | } |
1711 | break; |
1712 | |
1713 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_REMOTE_VERSION): |
1714 | LENGTH_CHECK(read_remote_version); |
1715 | |
1716 | if (bt_hci_version_req(hci, PARAMHANDLE(read_remote_version))) |
1717 | bt_hci_event_status(hci, HCI_NO_CONNECTION); |
1718 | break; |
1719 | |
1720 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_CLOCK_OFFSET): |
1721 | LENGTH_CHECK(read_clock_offset); |
1722 | |
1723 | if (bt_hci_clkoffset_req(hci, PARAMHANDLE(read_clock_offset))) |
1724 | bt_hci_event_status(hci, HCI_NO_CONNECTION); |
1725 | break; |
1726 | |
1727 | case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_LMP_HANDLE): |
1728 | LENGTH_CHECK(read_lmp_handle); |
1729 | |
1730 | /* TODO: */ |
1731 | bt_hci_event_complete_lmp_handle(hci, PARAMHANDLE(read_lmp_handle)); |
1732 | break; |
1733 | |
1734 | case cmd_opcode_pack(OGF_LINK_POLICY, OCF_HOLD_MODE): |
1735 | LENGTH_CHECK(hold_mode); |
1736 | |
1737 | if (PARAM16(hold_mode, min_interval) > |
1738 | PARAM16(hold_mode, max_interval) || |
1739 | PARAM16(hold_mode, min_interval) < 0x0002 || |
1740 | PARAM16(hold_mode, max_interval) > 0xff00 || |
1741 | (PARAM16(hold_mode, min_interval) & 1) || |
1742 | (PARAM16(hold_mode, max_interval) & 1)) { |
1743 | bt_hci_event_status(hci, HCI_INVALID_PARAMETERS); |
1744 | break; |
1745 | } |
1746 | |
1747 | if (bt_hci_mode_change(hci, PARAMHANDLE(hold_mode), |
1748 | PARAM16(hold_mode, max_interval), |
1749 | acl_hold)) |
1750 | bt_hci_event_status(hci, HCI_NO_CONNECTION); |
1751 | break; |
1752 | |
1753 | case cmd_opcode_pack(OGF_LINK_POLICY, OCF_PARK_MODE): |
1754 | LENGTH_CHECK(park_mode); |
1755 | |
1756 | if (PARAM16(park_mode, min_interval) > |
1757 | PARAM16(park_mode, max_interval) || |
1758 | PARAM16(park_mode, min_interval) < 0x000e || |
1759 | (PARAM16(park_mode, min_interval) & 1) || |
1760 | (PARAM16(park_mode, max_interval) & 1)) { |
1761 | bt_hci_event_status(hci, HCI_INVALID_PARAMETERS); |
1762 | break; |
1763 | } |
1764 | |
1765 | if (bt_hci_mode_change(hci, PARAMHANDLE(park_mode), |
1766 | PARAM16(park_mode, max_interval), |
1767 | acl_parked)) |
1768 | bt_hci_event_status(hci, HCI_NO_CONNECTION); |
1769 | break; |
1770 | |
1771 | case cmd_opcode_pack(OGF_LINK_POLICY, OCF_EXIT_PARK_MODE): |
1772 | LENGTH_CHECK(exit_park_mode); |
1773 | |
1774 | if (bt_hci_mode_cancel(hci, PARAMHANDLE(exit_park_mode), |
1775 | acl_parked)) |
1776 | bt_hci_event_status(hci, HCI_NO_CONNECTION); |
1777 | break; |
1778 | |
1779 | case cmd_opcode_pack(OGF_LINK_POLICY, OCF_ROLE_DISCOVERY): |
1780 | LENGTH_CHECK(role_discovery); |
1781 | |
1782 | if (bt_hci_handle_bad(hci, PARAMHANDLE(role_discovery))) |
1783 | bt_hci_event_complete_role_discovery(hci, |
1784 | HCI_NO_CONNECTION, PARAMHANDLE(role_discovery), 0); |
1785 | else |
1786 | bt_hci_event_complete_role_discovery(hci, |
1787 | HCI_SUCCESS, PARAMHANDLE(role_discovery), |
1788 | bt_hci_role_master(hci, |
1789 | PARAMHANDLE(role_discovery))); |
1790 | break; |
1791 | |
1792 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_SET_EVENT_MASK): |
1793 | LENGTH_CHECK(set_event_mask); |
1794 | |
1795 | memcpy(hci->event_mask, PARAM(set_event_mask, mask), 8); |
1796 | bt_hci_event_complete_status(hci, HCI_SUCCESS); |
1797 | break; |
1798 | |
1799 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_RESET): |
1800 | bt_hci_reset(hci); |
1801 | bt_hci_event_status(hci, HCI_SUCCESS); |
1802 | break; |
1803 | |
1804 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_SET_EVENT_FLT): |
1805 | if (length >= 1 && PARAM(set_event_flt, flt_type) == FLT_CLEAR_ALL) |
1806 | /* No length check */; |
1807 | else |
1808 | LENGTH_CHECK(set_event_flt); |
1809 | |
1810 | /* Filters are not implemented */ |
1811 | bt_hci_event_complete_status(hci, HCI_SUCCESS); |
1812 | break; |
1813 | |
1814 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_FLUSH): |
1815 | LENGTH_CHECK(flush); |
1816 | |
1817 | if (bt_hci_handle_bad(hci, PARAMHANDLE(flush))) |
1818 | bt_hci_event_complete_flush(hci, |
1819 | HCI_NO_CONNECTION, PARAMHANDLE(flush)); |
1820 | else { |
1821 | /* TODO: ordering? */ |
1822 | bt_hci_event(hci, EVT_FLUSH_OCCURRED, |
1823 | &PARAM(flush, handle), |
1824 | EVT_FLUSH_OCCURRED_SIZE); |
1825 | bt_hci_event_complete_flush(hci, |
1826 | HCI_SUCCESS, PARAMHANDLE(flush)); |
1827 | } |
1828 | break; |
1829 | |
1830 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_CHANGE_LOCAL_NAME): |
1831 | LENGTH_CHECK(change_local_name); |
1832 | |
1833 | g_free((void *) hci->device.lmp_name); |
1834 | hci->device.lmp_name = g_strndup(PARAM(change_local_name, name), |
1835 | sizeof(PARAM(change_local_name, name))); |
1836 | bt_hci_event_complete_status(hci, HCI_SUCCESS); |
1837 | break; |
1838 | |
1839 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_LOCAL_NAME): |
1840 | bt_hci_event_complete_read_local_name(hci); |
1841 | break; |
1842 | |
1843 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_CONN_ACCEPT_TIMEOUT): |
1844 | bt_hci_event_complete_read_conn_accept_timeout(hci); |
1845 | break; |
1846 | |
1847 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_CONN_ACCEPT_TIMEOUT): |
1848 | /* TODO */ |
1849 | LENGTH_CHECK(write_conn_accept_timeout); |
1850 | |
1851 | if (PARAM16(write_conn_accept_timeout, timeout) < 0x0001 || |
1852 | PARAM16(write_conn_accept_timeout, timeout) > 0xb540) { |
1853 | bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS); |
1854 | break; |
1855 | } |
1856 | |
1857 | hci->conn_accept_tout = PARAM16(write_conn_accept_timeout, timeout); |
1858 | bt_hci_event_complete_status(hci, HCI_SUCCESS); |
1859 | break; |
1860 | |
1861 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_SCAN_ENABLE): |
1862 | bt_hci_event_complete_read_scan_enable(hci); |
1863 | break; |
1864 | |
1865 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_SCAN_ENABLE): |
1866 | LENGTH_CHECK(write_scan_enable); |
1867 | |
1868 | /* TODO: check that the remaining bits are all 0 */ |
1869 | hci->device.inquiry_scan = |
1870 | !!(PARAM(write_scan_enable, scan_enable) & SCAN_INQUIRY); |
1871 | hci->device.page_scan = |
1872 | !!(PARAM(write_scan_enable, scan_enable) & SCAN_PAGE); |
1873 | bt_hci_event_complete_status(hci, HCI_SUCCESS); |
1874 | break; |
1875 | |
1876 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_CLASS_OF_DEV): |
1877 | bt_hci_event_complete_read_local_class(hci); |
1878 | break; |
1879 | |
1880 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_CLASS_OF_DEV): |
1881 | LENGTH_CHECK(write_class_of_dev); |
1882 | |
1883 | memcpy(hci->device.class, PARAM(write_class_of_dev, dev_class), |
1884 | sizeof(PARAM(write_class_of_dev, dev_class))); |
1885 | bt_hci_event_complete_status(hci, HCI_SUCCESS); |
1886 | break; |
1887 | |
1888 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_VOICE_SETTING): |
1889 | bt_hci_event_complete_voice_setting(hci); |
1890 | break; |
1891 | |
1892 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_VOICE_SETTING): |
1893 | LENGTH_CHECK(write_voice_setting); |
1894 | |
1895 | hci->voice_setting = PARAM(write_voice_setting, voice_setting); |
1896 | bt_hci_event_complete_status(hci, HCI_SUCCESS); |
1897 | break; |
1898 | |
1899 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_HOST_NUMBER_OF_COMPLETED_PACKETS): |
1900 | if (length < data[0] * 2 + 1) |
1901 | goto short_hci; |
1902 | |
1903 | for (i = 0; i < data[0]; i ++) |
1904 | if (bt_hci_handle_bad(hci, |
1905 | data[i * 2 + 1] | (data[i * 2 + 2] << 8))) |
1906 | bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS); |
1907 | break; |
1908 | |
1909 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_INQUIRY_MODE): |
1910 | /* Only if (local_features[3] & 0x40) && (local_commands[12] & 0x40) |
1911 | * else |
1912 | * goto unknown_command */ |
1913 | bt_hci_event_complete_read_inquiry_mode(hci); |
1914 | break; |
1915 | |
1916 | case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_INQUIRY_MODE): |
1917 | /* Only if (local_features[3] & 0x40) && (local_commands[12] & 0x80) |
1918 | * else |
1919 | * goto unknown_command */ |
1920 | LENGTH_CHECK(write_inquiry_mode); |
1921 | |
1922 | if (PARAM(write_inquiry_mode, mode) > 0x01) { |
1923 | bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS); |
1924 | break; |
1925 | } |
1926 | |
1927 | hci->lm.inquiry_mode = PARAM(write_inquiry_mode, mode); |
1928 | bt_hci_event_complete_status(hci, HCI_SUCCESS); |
1929 | break; |
1930 | |
1931 | case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_VERSION): |
1932 | bt_hci_read_local_version_rp(hci); |
1933 | break; |
1934 | |
1935 | case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_COMMANDS): |
1936 | bt_hci_read_local_commands_rp(hci); |
1937 | break; |
1938 | |
1939 | case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_FEATURES): |
1940 | bt_hci_read_local_features_rp(hci); |
1941 | break; |
1942 | |
1943 | case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_EXT_FEATURES): |
1944 | LENGTH_CHECK(read_local_ext_features); |
1945 | |
1946 | bt_hci_read_local_ext_features_rp(hci, |
1947 | PARAM(read_local_ext_features, page_num)); |
1948 | break; |
1949 | |
1950 | case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_BUFFER_SIZE): |
1951 | bt_hci_read_buffer_size_rp(hci); |
1952 | break; |
1953 | |
1954 | case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_COUNTRY_CODE): |
1955 | bt_hci_read_country_code_rp(hci); |
1956 | break; |
1957 | |
1958 | case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_BD_ADDR): |
1959 | bt_hci_read_bd_addr_rp(hci); |
1960 | break; |
1961 | |
1962 | case cmd_opcode_pack(OGF_STATUS_PARAM, OCF_READ_LINK_QUALITY): |
1963 | LENGTH_CHECK(read_link_quality); |
1964 | |
1965 | bt_hci_link_quality_rp(hci, PARAMHANDLE(read_link_quality)); |
1966 | break; |
1967 | |
1968 | default: |
1969 | bt_hci_event_status(hci, HCI_UNKNOWN_COMMAND); |
1970 | break; |
1971 | |
1972 | short_hci: |
1973 | error_report("%s: HCI packet too short (%iB)" , __func__, length); |
1974 | bt_hci_event_status(hci, HCI_INVALID_PARAMETERS); |
1975 | break; |
1976 | } |
1977 | } |
1978 | |
1979 | /* We could perform fragmentation here, we can't do "recombination" because |
1980 | * at this layer the length of the payload is not know ahead, so we only |
1981 | * know that a packet contained the last fragment of the SDU when the next |
1982 | * SDU starts. */ |
1983 | static inline void bt_hci_lmp_acl_data(struct bt_hci_s *hci, uint16_t handle, |
1984 | const uint8_t *data, int start, int len) |
1985 | { |
1986 | struct hci_acl_hdr *pkt = (void *) hci->acl_buf; |
1987 | |
1988 | /* TODO: packet flags */ |
1989 | /* TODO: avoid memcpy'ing */ |
1990 | |
1991 | if (len + HCI_ACL_HDR_SIZE > sizeof(hci->acl_buf)) { |
1992 | error_report("%s: can't take ACL packets %i bytes long" , |
1993 | __func__, len); |
1994 | return; |
1995 | } |
1996 | memcpy(hci->acl_buf + HCI_ACL_HDR_SIZE, data, len); |
1997 | |
1998 | pkt->handle = cpu_to_le16( |
1999 | acl_handle_pack(handle, start ? ACL_START : ACL_CONT)); |
2000 | pkt->dlen = cpu_to_le16(len); |
2001 | hci->info.acl_recv(hci->info.opaque, |
2002 | hci->acl_buf, len + HCI_ACL_HDR_SIZE); |
2003 | } |
2004 | |
2005 | static void bt_hci_lmp_acl_data_slave(struct bt_link_s *btlink, |
2006 | const uint8_t *data, int start, int len) |
2007 | { |
2008 | struct bt_hci_link_s *link = (struct bt_hci_link_s *) btlink; |
2009 | |
2010 | bt_hci_lmp_acl_data(hci_from_device(btlink->slave), |
2011 | link->handle, data, start, len); |
2012 | } |
2013 | |
2014 | static void bt_hci_lmp_acl_data_host(struct bt_link_s *link, |
2015 | const uint8_t *data, int start, int len) |
2016 | { |
2017 | bt_hci_lmp_acl_data(hci_from_device(link->host), |
2018 | link->handle, data, start, len); |
2019 | } |
2020 | |
2021 | static void bt_submit_acl(struct HCIInfo *info, |
2022 | const uint8_t *data, int length) |
2023 | { |
2024 | struct bt_hci_s *hci = hci_from_info(info); |
2025 | uint16_t handle; |
2026 | int datalen, flags; |
2027 | struct bt_link_s *link; |
2028 | |
2029 | if (length < HCI_ACL_HDR_SIZE) { |
2030 | error_report("%s: ACL packet too short (%iB)" , __func__, length); |
2031 | return; |
2032 | } |
2033 | |
2034 | handle = acl_handle((data[1] << 8) | data[0]); |
2035 | flags = acl_flags((data[1] << 8) | data[0]); |
2036 | datalen = (data[3] << 8) | data[2]; |
2037 | data += HCI_ACL_HDR_SIZE; |
2038 | length -= HCI_ACL_HDR_SIZE; |
2039 | |
2040 | if (bt_hci_handle_bad(hci, handle)) { |
2041 | error_report("%s: invalid ACL handle %03x" , __func__, handle); |
2042 | /* TODO: signal an error */ |
2043 | return; |
2044 | } |
2045 | handle &= ~HCI_HANDLE_OFFSET; |
2046 | |
2047 | if (datalen > length) { |
2048 | error_report("%s: ACL packet too short (%iB < %iB)" , |
2049 | __func__, length, datalen); |
2050 | return; |
2051 | } |
2052 | |
2053 | link = hci->lm.handle[handle].link; |
2054 | |
2055 | if ((flags & ~3) == ACL_ACTIVE_BCAST) { |
2056 | if (!hci->asb_handle) |
2057 | hci->asb_handle = handle; |
2058 | else if (handle != hci->asb_handle) { |
2059 | error_report("%s: Bad handle %03x in Active Slave Broadcast" , |
2060 | __func__, handle); |
2061 | /* TODO: signal an error */ |
2062 | return; |
2063 | } |
2064 | |
2065 | /* TODO */ |
2066 | } |
2067 | |
2068 | if ((flags & ~3) == ACL_PICO_BCAST) { |
2069 | if (!hci->psb_handle) |
2070 | hci->psb_handle = handle; |
2071 | else if (handle != hci->psb_handle) { |
2072 | error_report("%s: Bad handle %03x in Parked Slave Broadcast" , |
2073 | __func__, handle); |
2074 | /* TODO: signal an error */ |
2075 | return; |
2076 | } |
2077 | |
2078 | /* TODO */ |
2079 | } |
2080 | |
2081 | /* TODO: increase counter and send EVT_NUM_COMP_PKTS */ |
2082 | bt_hci_event_num_comp_pkts(hci, handle | HCI_HANDLE_OFFSET, 1); |
2083 | |
2084 | /* Do this last as it can trigger further events even in this HCI */ |
2085 | hci->lm.handle[handle].lmp_acl_data(link, data, |
2086 | (flags & 3) == ACL_START, length); |
2087 | } |
2088 | |
2089 | static void bt_submit_sco(struct HCIInfo *info, |
2090 | const uint8_t *data, int length) |
2091 | { |
2092 | struct bt_hci_s *hci = hci_from_info(info); |
2093 | uint16_t handle; |
2094 | int datalen; |
2095 | |
2096 | if (length < 3) |
2097 | return; |
2098 | |
2099 | handle = acl_handle((data[1] << 8) | data[0]); |
2100 | datalen = data[2]; |
2101 | length -= 3; |
2102 | |
2103 | if (bt_hci_handle_bad(hci, handle)) { |
2104 | error_report("%s: invalid SCO handle %03x" , __func__, handle); |
2105 | return; |
2106 | } |
2107 | |
2108 | if (datalen > length) { |
2109 | error_report("%s: SCO packet too short (%iB < %iB)" , |
2110 | __func__, length, datalen); |
2111 | return; |
2112 | } |
2113 | |
2114 | /* TODO */ |
2115 | |
2116 | /* TODO: increase counter and send EVT_NUM_COMP_PKTS if synchronous |
2117 | * Flow Control is enabled. |
2118 | * (See Read/Write_Synchronous_Flow_Control_Enable on page 513 and |
2119 | * page 514.) */ |
2120 | } |
2121 | |
2122 | static uint8_t *bt_hci_evt_packet(void *opaque) |
2123 | { |
2124 | /* TODO: allocate a packet from upper layer */ |
2125 | struct bt_hci_s *s = opaque; |
2126 | |
2127 | return s->evt_buf; |
2128 | } |
2129 | |
2130 | static void bt_hci_evt_submit(void *opaque, int len) |
2131 | { |
2132 | /* TODO: notify upper layer */ |
2133 | struct bt_hci_s *s = opaque; |
2134 | |
2135 | s->info.evt_recv(s->info.opaque, s->evt_buf, len); |
2136 | } |
2137 | |
2138 | static int bt_hci_bdaddr_set(struct HCIInfo *info, const uint8_t *bd_addr) |
2139 | { |
2140 | struct bt_hci_s *hci = hci_from_info(info); |
2141 | |
2142 | bacpy(&hci->device.bd_addr, (const bdaddr_t *) bd_addr); |
2143 | return 0; |
2144 | } |
2145 | |
2146 | static void bt_hci_done(struct HCIInfo *info); |
2147 | static void bt_hci_destroy(struct bt_device_s *dev) |
2148 | { |
2149 | struct bt_hci_s *hci = hci_from_device(dev); |
2150 | |
2151 | bt_hci_done(&hci->info); |
2152 | } |
2153 | |
2154 | struct HCIInfo *bt_new_hci(struct bt_scatternet_s *net) |
2155 | { |
2156 | struct bt_hci_s *s = g_malloc0(sizeof(struct bt_hci_s)); |
2157 | |
2158 | s->lm.inquiry_done = timer_new_ns(QEMU_CLOCK_VIRTUAL, bt_hci_inquiry_done, s); |
2159 | s->lm.inquiry_next = timer_new_ns(QEMU_CLOCK_VIRTUAL, bt_hci_inquiry_next, s); |
2160 | s->conn_accept_timer = |
2161 | timer_new_ns(QEMU_CLOCK_VIRTUAL, bt_hci_conn_accept_timeout, s); |
2162 | |
2163 | s->evt_packet = bt_hci_evt_packet; |
2164 | s->evt_submit = bt_hci_evt_submit; |
2165 | s->opaque = s; |
2166 | |
2167 | bt_device_init(&s->device, net); |
2168 | s->device.lmp_connection_request = bt_hci_lmp_connection_request; |
2169 | s->device.lmp_connection_complete = bt_hci_lmp_connection_complete; |
2170 | s->device.lmp_disconnect_master = bt_hci_lmp_disconnect_host; |
2171 | s->device.lmp_disconnect_slave = bt_hci_lmp_disconnect_slave; |
2172 | s->device.lmp_acl_data = bt_hci_lmp_acl_data_slave; |
2173 | s->device.lmp_acl_resp = bt_hci_lmp_acl_data_host; |
2174 | s->device.lmp_mode_change = bt_hci_lmp_mode_change_slave; |
2175 | |
2176 | /* Keep updated! */ |
2177 | /* Also keep in sync with supported commands bitmask in |
2178 | * bt_hci_read_local_commands_rp */ |
2179 | s->device.lmp_caps = 0x8000199b7e85355fll; |
2180 | |
2181 | bt_hci_reset(s); |
2182 | |
2183 | s->info.cmd_send = bt_submit_hci; |
2184 | s->info.sco_send = bt_submit_sco; |
2185 | s->info.acl_send = bt_submit_acl; |
2186 | s->info.bdaddr_set = bt_hci_bdaddr_set; |
2187 | |
2188 | s->device.handle_destroy = bt_hci_destroy; |
2189 | |
2190 | error_setg(&s->replay_blocker, QERR_REPLAY_NOT_SUPPORTED, "-bt hci" ); |
2191 | replay_add_blocker(s->replay_blocker); |
2192 | |
2193 | return &s->info; |
2194 | } |
2195 | |
2196 | struct HCIInfo *hci_init(const char *str) |
2197 | { |
2198 | char *endp; |
2199 | struct bt_scatternet_s *vlan = 0; |
2200 | |
2201 | if (!strcmp(str, "null" )) |
2202 | /* null */ |
2203 | return &null_hci; |
2204 | else if (!strncmp(str, "host" , 4) && (str[4] == '\0' || str[4] == ':')) |
2205 | /* host[:hciN] */ |
2206 | return bt_host_hci(str[4] ? str + 5 : "hci0" ); |
2207 | else if (!strncmp(str, "hci" , 3)) { |
2208 | /* hci[,vlan=n] */ |
2209 | if (str[3]) { |
2210 | if (!strncmp(str + 3, ",vlan=" , 6)) { |
2211 | vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); |
2212 | if (*endp) |
2213 | vlan = 0; |
2214 | } |
2215 | } else |
2216 | vlan = qemu_find_bt_vlan(0); |
2217 | if (vlan) |
2218 | return bt_new_hci(vlan); |
2219 | } |
2220 | |
2221 | error_report("Unknown bluetooth HCI `%s'." , str); |
2222 | |
2223 | return 0; |
2224 | } |
2225 | |
2226 | static void bt_hci_done(struct HCIInfo *info) |
2227 | { |
2228 | struct bt_hci_s *hci = hci_from_info(info); |
2229 | int handle; |
2230 | |
2231 | bt_device_done(&hci->device); |
2232 | |
2233 | g_free((void *) hci->device.lmp_name); |
2234 | |
2235 | /* Be gentle and send DISCONNECT to all connected peers and those |
2236 | * currently waiting for us to accept or reject a connection request. |
2237 | * This frees the links. */ |
2238 | if (hci->conn_req_host) { |
2239 | bt_hci_connection_reject(hci, |
2240 | hci->conn_req_host, HCI_OE_POWER_OFF); |
2241 | return; |
2242 | } |
2243 | |
2244 | for (handle = HCI_HANDLE_OFFSET; |
2245 | handle < (HCI_HANDLE_OFFSET | HCI_HANDLES_MAX); handle ++) |
2246 | if (!bt_hci_handle_bad(hci, handle)) |
2247 | bt_hci_disconnect(hci, handle, HCI_OE_POWER_OFF); |
2248 | |
2249 | /* TODO: this is not enough actually, there may be slaves from whom |
2250 | * we have requested a connection who will soon (or not) respond with |
2251 | * an accept or a reject, so we should also check if hci->lm.connecting |
2252 | * is non-zero and if so, avoid freeing the hci but otherwise disappear |
2253 | * from all qemu social life (e.g. stop scanning and request to be |
2254 | * removed from s->device.net) and arrange for |
2255 | * s->device.lmp_connection_complete to free the remaining bits once |
2256 | * hci->lm.awaiting_bdaddr[] is empty. */ |
2257 | |
2258 | timer_free(hci->lm.inquiry_done); |
2259 | timer_free(hci->lm.inquiry_next); |
2260 | timer_free(hci->conn_accept_timer); |
2261 | |
2262 | g_free(hci); |
2263 | } |
2264 | |