xref: /openbmc/linux/include/net/bluetooth/hci.h (revision c35938b2f56547ee77b5a038fe0db394aeac59bb)
1 /*
2    BlueZ - Bluetooth protocol stack for Linux
3    Copyright (C) 2000-2001 Qualcomm Incorporated
4 
5    Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
6 
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License version 2 as
9    published by the Free Software Foundation;
10 
11    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14    IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15    CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 
20    ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21    COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22    SOFTWARE IS DISCLAIMED.
23 */
24 
25 #ifndef __HCI_H
26 #define __HCI_H
27 
28 #define HCI_MAX_ACL_SIZE	1024
29 #define HCI_MAX_SCO_SIZE	255
30 #define HCI_MAX_EVENT_SIZE	260
31 #define HCI_MAX_FRAME_SIZE	(HCI_MAX_ACL_SIZE + 4)
32 
33 /* HCI dev events */
34 #define HCI_DEV_REG			1
35 #define HCI_DEV_UNREG			2
36 #define HCI_DEV_UP			3
37 #define HCI_DEV_DOWN			4
38 #define HCI_DEV_SUSPEND			5
39 #define HCI_DEV_RESUME			6
40 
41 /* HCI notify events */
42 #define HCI_NOTIFY_CONN_ADD		1
43 #define HCI_NOTIFY_CONN_DEL		2
44 #define HCI_NOTIFY_VOICE_SETTING	3
45 
46 /* HCI bus types */
47 #define HCI_VIRTUAL	0
48 #define HCI_USB		1
49 #define HCI_PCCARD	2
50 #define HCI_UART	3
51 #define HCI_RS232	4
52 #define HCI_PCI		5
53 #define HCI_SDIO	6
54 
55 /* HCI controller types */
56 #define HCI_BREDR	0x00
57 #define HCI_AMP		0x01
58 
59 /* HCI device quirks */
60 enum {
61 	HCI_QUIRK_NO_RESET,
62 	HCI_QUIRK_RAW_DEVICE,
63 	HCI_QUIRK_FIXUP_BUFFER_SIZE
64 };
65 
66 /* HCI device flags */
67 enum {
68 	HCI_UP,
69 	HCI_INIT,
70 	HCI_RUNNING,
71 
72 	HCI_PSCAN,
73 	HCI_ISCAN,
74 	HCI_AUTH,
75 	HCI_ENCRYPT,
76 	HCI_INQUIRY,
77 
78 	HCI_RAW,
79 
80 	HCI_SETUP,
81 	HCI_AUTO_OFF,
82 	HCI_MGMT,
83 	HCI_PAIRABLE,
84 	HCI_SERVICE_CACHE,
85 	HCI_LINK_KEYS,
86 	HCI_DEBUG_KEYS,
87 };
88 
89 /* HCI ioctl defines */
90 #define HCIDEVUP	_IOW('H', 201, int)
91 #define HCIDEVDOWN	_IOW('H', 202, int)
92 #define HCIDEVRESET	_IOW('H', 203, int)
93 #define HCIDEVRESTAT	_IOW('H', 204, int)
94 
95 #define HCIGETDEVLIST	_IOR('H', 210, int)
96 #define HCIGETDEVINFO	_IOR('H', 211, int)
97 #define HCIGETCONNLIST	_IOR('H', 212, int)
98 #define HCIGETCONNINFO	_IOR('H', 213, int)
99 #define HCIGETAUTHINFO	_IOR('H', 215, int)
100 
101 #define HCISETRAW	_IOW('H', 220, int)
102 #define HCISETSCAN	_IOW('H', 221, int)
103 #define HCISETAUTH	_IOW('H', 222, int)
104 #define HCISETENCRYPT	_IOW('H', 223, int)
105 #define HCISETPTYPE	_IOW('H', 224, int)
106 #define HCISETLINKPOL	_IOW('H', 225, int)
107 #define HCISETLINKMODE	_IOW('H', 226, int)
108 #define HCISETACLMTU	_IOW('H', 227, int)
109 #define HCISETSCOMTU	_IOW('H', 228, int)
110 
111 #define HCIBLOCKADDR	_IOW('H', 230, int)
112 #define HCIUNBLOCKADDR	_IOW('H', 231, int)
113 
114 #define HCIINQUIRY	_IOR('H', 240, int)
115 
116 /* HCI timeouts */
117 #define HCI_CONNECT_TIMEOUT	(40000)	/* 40 seconds */
118 #define HCI_DISCONN_TIMEOUT	(2000)	/* 2 seconds */
119 #define HCI_PAIRING_TIMEOUT	(60000)	/* 60 seconds */
120 #define HCI_IDLE_TIMEOUT	(6000)	/* 6 seconds */
121 #define HCI_INIT_TIMEOUT	(10000)	/* 10 seconds */
122 #define HCI_CMD_TIMEOUT		(1000)	/* 1 seconds */
123 
124 /* HCI data types */
125 #define HCI_COMMAND_PKT		0x01
126 #define HCI_ACLDATA_PKT		0x02
127 #define HCI_SCODATA_PKT		0x03
128 #define HCI_EVENT_PKT		0x04
129 #define HCI_VENDOR_PKT		0xff
130 
131 /* HCI packet types */
132 #define HCI_DM1		0x0008
133 #define HCI_DM3		0x0400
134 #define HCI_DM5		0x4000
135 #define HCI_DH1		0x0010
136 #define HCI_DH3		0x0800
137 #define HCI_DH5		0x8000
138 
139 #define HCI_HV1		0x0020
140 #define HCI_HV2		0x0040
141 #define HCI_HV3		0x0080
142 
143 #define SCO_PTYPE_MASK	(HCI_HV1 | HCI_HV2 | HCI_HV3)
144 #define ACL_PTYPE_MASK	(~SCO_PTYPE_MASK)
145 
146 /* eSCO packet types */
147 #define ESCO_HV1	0x0001
148 #define ESCO_HV2	0x0002
149 #define ESCO_HV3	0x0004
150 #define ESCO_EV3	0x0008
151 #define ESCO_EV4	0x0010
152 #define ESCO_EV5	0x0020
153 #define ESCO_2EV3	0x0040
154 #define ESCO_3EV3	0x0080
155 #define ESCO_2EV5	0x0100
156 #define ESCO_3EV5	0x0200
157 
158 #define SCO_ESCO_MASK  (ESCO_HV1 | ESCO_HV2 | ESCO_HV3)
159 #define EDR_ESCO_MASK  (ESCO_2EV3 | ESCO_3EV3 | ESCO_2EV5 | ESCO_3EV5)
160 
161 /* ACL flags */
162 #define ACL_START_NO_FLUSH	0x00
163 #define ACL_CONT		0x01
164 #define ACL_START		0x02
165 #define ACL_ACTIVE_BCAST	0x04
166 #define ACL_PICO_BCAST		0x08
167 
168 /* Baseband links */
169 #define SCO_LINK	0x00
170 #define ACL_LINK	0x01
171 #define ESCO_LINK	0x02
172 /* Low Energy links do not have defined link type. Use invented one */
173 #define LE_LINK		0x80
174 
175 /* LMP features */
176 #define LMP_3SLOT	0x01
177 #define LMP_5SLOT	0x02
178 #define LMP_ENCRYPT	0x04
179 #define LMP_SOFFSET	0x08
180 #define LMP_TACCURACY	0x10
181 #define LMP_RSWITCH	0x20
182 #define LMP_HOLD	0x40
183 #define LMP_SNIFF	0x80
184 
185 #define LMP_PARK	0x01
186 #define LMP_RSSI	0x02
187 #define LMP_QUALITY	0x04
188 #define LMP_SCO		0x08
189 #define LMP_HV2		0x10
190 #define LMP_HV3		0x20
191 #define LMP_ULAW	0x40
192 #define LMP_ALAW	0x80
193 
194 #define LMP_CVSD	0x01
195 #define LMP_PSCHEME	0x02
196 #define LMP_PCONTROL	0x04
197 
198 #define LMP_RSSI_INQ	0x40
199 #define LMP_ESCO	0x80
200 
201 #define LMP_EV4		0x01
202 #define LMP_EV5		0x02
203 #define LMP_LE		0x40
204 
205 #define LMP_SNIFF_SUBR	0x02
206 #define LMP_PAUSE_ENC	0x04
207 #define LMP_EDR_ESCO_2M	0x20
208 #define LMP_EDR_ESCO_3M	0x40
209 #define LMP_EDR_3S_ESCO	0x80
210 
211 #define LMP_EXT_INQ	0x01
212 #define LMP_SIMPLE_PAIR	0x08
213 #define LMP_NO_FLUSH	0x40
214 
215 #define LMP_LSTO	0x01
216 #define LMP_INQ_TX_PWR	0x02
217 
218 /* Connection modes */
219 #define HCI_CM_ACTIVE	0x0000
220 #define HCI_CM_HOLD	0x0001
221 #define HCI_CM_SNIFF	0x0002
222 #define HCI_CM_PARK	0x0003
223 
224 /* Link policies */
225 #define HCI_LP_RSWITCH	0x0001
226 #define HCI_LP_HOLD	0x0002
227 #define HCI_LP_SNIFF	0x0004
228 #define HCI_LP_PARK	0x0008
229 
230 /* Link modes */
231 #define HCI_LM_ACCEPT	0x8000
232 #define HCI_LM_MASTER	0x0001
233 #define HCI_LM_AUTH	0x0002
234 #define HCI_LM_ENCRYPT	0x0004
235 #define HCI_LM_TRUSTED	0x0008
236 #define HCI_LM_RELIABLE	0x0010
237 #define HCI_LM_SECURE	0x0020
238 
239 /* Authentication types */
240 #define HCI_AT_NO_BONDING		0x00
241 #define HCI_AT_NO_BONDING_MITM		0x01
242 #define HCI_AT_DEDICATED_BONDING	0x02
243 #define HCI_AT_DEDICATED_BONDING_MITM	0x03
244 #define HCI_AT_GENERAL_BONDING		0x04
245 #define HCI_AT_GENERAL_BONDING_MITM	0x05
246 
247 /* -----  HCI Commands ---- */
248 #define HCI_OP_NOP			0x0000
249 
250 #define HCI_OP_INQUIRY			0x0401
251 struct hci_cp_inquiry {
252 	__u8     lap[3];
253 	__u8     length;
254 	__u8     num_rsp;
255 } __packed;
256 
257 #define HCI_OP_INQUIRY_CANCEL		0x0402
258 
259 #define HCI_OP_EXIT_PERIODIC_INQ	0x0404
260 
261 #define HCI_OP_CREATE_CONN		0x0405
262 struct hci_cp_create_conn {
263 	bdaddr_t bdaddr;
264 	__le16   pkt_type;
265 	__u8     pscan_rep_mode;
266 	__u8     pscan_mode;
267 	__le16   clock_offset;
268 	__u8     role_switch;
269 } __packed;
270 
271 #define HCI_OP_DISCONNECT		0x0406
272 struct hci_cp_disconnect {
273 	__le16   handle;
274 	__u8     reason;
275 } __packed;
276 
277 #define HCI_OP_ADD_SCO			0x0407
278 struct hci_cp_add_sco {
279 	__le16   handle;
280 	__le16   pkt_type;
281 } __packed;
282 
283 #define HCI_OP_CREATE_CONN_CANCEL	0x0408
284 struct hci_cp_create_conn_cancel {
285 	bdaddr_t bdaddr;
286 } __packed;
287 
288 #define HCI_OP_ACCEPT_CONN_REQ		0x0409
289 struct hci_cp_accept_conn_req {
290 	bdaddr_t bdaddr;
291 	__u8     role;
292 } __packed;
293 
294 #define HCI_OP_REJECT_CONN_REQ		0x040a
295 struct hci_cp_reject_conn_req {
296 	bdaddr_t bdaddr;
297 	__u8     reason;
298 } __packed;
299 
300 #define HCI_OP_LINK_KEY_REPLY		0x040b
301 struct hci_cp_link_key_reply {
302 	bdaddr_t bdaddr;
303 	__u8     link_key[16];
304 } __packed;
305 
306 #define HCI_OP_LINK_KEY_NEG_REPLY	0x040c
307 struct hci_cp_link_key_neg_reply {
308 	bdaddr_t bdaddr;
309 } __packed;
310 
311 #define HCI_OP_PIN_CODE_REPLY		0x040d
312 struct hci_cp_pin_code_reply {
313 	bdaddr_t bdaddr;
314 	__u8     pin_len;
315 	__u8     pin_code[16];
316 } __packed;
317 struct hci_rp_pin_code_reply {
318 	__u8     status;
319 	bdaddr_t bdaddr;
320 } __packed;
321 
322 #define HCI_OP_PIN_CODE_NEG_REPLY	0x040e
323 struct hci_cp_pin_code_neg_reply {
324 	bdaddr_t bdaddr;
325 } __packed;
326 struct hci_rp_pin_code_neg_reply {
327 	__u8     status;
328 	bdaddr_t bdaddr;
329 } __packed;
330 
331 #define HCI_OP_CHANGE_CONN_PTYPE	0x040f
332 struct hci_cp_change_conn_ptype {
333 	__le16   handle;
334 	__le16   pkt_type;
335 } __packed;
336 
337 #define HCI_OP_AUTH_REQUESTED		0x0411
338 struct hci_cp_auth_requested {
339 	__le16   handle;
340 } __packed;
341 
342 #define HCI_OP_SET_CONN_ENCRYPT		0x0413
343 struct hci_cp_set_conn_encrypt {
344 	__le16   handle;
345 	__u8     encrypt;
346 } __packed;
347 
348 #define HCI_OP_CHANGE_CONN_LINK_KEY	0x0415
349 struct hci_cp_change_conn_link_key {
350 	__le16   handle;
351 } __packed;
352 
353 #define HCI_OP_REMOTE_NAME_REQ		0x0419
354 struct hci_cp_remote_name_req {
355 	bdaddr_t bdaddr;
356 	__u8     pscan_rep_mode;
357 	__u8     pscan_mode;
358 	__le16   clock_offset;
359 } __packed;
360 
361 #define HCI_OP_REMOTE_NAME_REQ_CANCEL	0x041a
362 struct hci_cp_remote_name_req_cancel {
363 	bdaddr_t bdaddr;
364 } __packed;
365 
366 #define HCI_OP_READ_REMOTE_FEATURES	0x041b
367 struct hci_cp_read_remote_features {
368 	__le16   handle;
369 } __packed;
370 
371 #define HCI_OP_READ_REMOTE_EXT_FEATURES	0x041c
372 struct hci_cp_read_remote_ext_features {
373 	__le16   handle;
374 	__u8     page;
375 } __packed;
376 
377 #define HCI_OP_READ_REMOTE_VERSION	0x041d
378 struct hci_cp_read_remote_version {
379 	__le16   handle;
380 } __packed;
381 
382 #define HCI_OP_SETUP_SYNC_CONN		0x0428
383 struct hci_cp_setup_sync_conn {
384 	__le16   handle;
385 	__le32   tx_bandwidth;
386 	__le32   rx_bandwidth;
387 	__le16   max_latency;
388 	__le16   voice_setting;
389 	__u8     retrans_effort;
390 	__le16   pkt_type;
391 } __packed;
392 
393 #define HCI_OP_ACCEPT_SYNC_CONN_REQ	0x0429
394 struct hci_cp_accept_sync_conn_req {
395 	bdaddr_t bdaddr;
396 	__le32   tx_bandwidth;
397 	__le32   rx_bandwidth;
398 	__le16   max_latency;
399 	__le16   content_format;
400 	__u8     retrans_effort;
401 	__le16   pkt_type;
402 } __packed;
403 
404 #define HCI_OP_REJECT_SYNC_CONN_REQ	0x042a
405 struct hci_cp_reject_sync_conn_req {
406 	bdaddr_t bdaddr;
407 	__u8     reason;
408 } __packed;
409 
410 #define HCI_OP_IO_CAPABILITY_REPLY	0x042b
411 struct hci_cp_io_capability_reply {
412 	bdaddr_t bdaddr;
413 	__u8     capability;
414 	__u8     oob_data;
415 	__u8     authentication;
416 } __packed;
417 
418 #define HCI_OP_USER_CONFIRM_REPLY		0x042c
419 struct hci_cp_user_confirm_reply {
420 	bdaddr_t bdaddr;
421 } __packed;
422 struct hci_rp_user_confirm_reply {
423 	__u8     status;
424 	bdaddr_t bdaddr;
425 } __packed;
426 
427 #define HCI_OP_USER_CONFIRM_NEG_REPLY	0x042d
428 
429 #define HCI_OP_IO_CAPABILITY_NEG_REPLY	0x0434
430 struct hci_cp_io_capability_neg_reply {
431 	bdaddr_t bdaddr;
432 	__u8     reason;
433 } __packed;
434 
435 #define HCI_OP_SNIFF_MODE		0x0803
436 struct hci_cp_sniff_mode {
437 	__le16   handle;
438 	__le16   max_interval;
439 	__le16   min_interval;
440 	__le16   attempt;
441 	__le16   timeout;
442 } __packed;
443 
444 #define HCI_OP_EXIT_SNIFF_MODE		0x0804
445 struct hci_cp_exit_sniff_mode {
446 	__le16   handle;
447 } __packed;
448 
449 #define HCI_OP_ROLE_DISCOVERY		0x0809
450 struct hci_cp_role_discovery {
451 	__le16   handle;
452 } __packed;
453 struct hci_rp_role_discovery {
454 	__u8     status;
455 	__le16   handle;
456 	__u8     role;
457 } __packed;
458 
459 #define HCI_OP_SWITCH_ROLE		0x080b
460 struct hci_cp_switch_role {
461 	bdaddr_t bdaddr;
462 	__u8     role;
463 } __packed;
464 
465 #define HCI_OP_READ_LINK_POLICY		0x080c
466 struct hci_cp_read_link_policy {
467 	__le16   handle;
468 } __packed;
469 struct hci_rp_read_link_policy {
470 	__u8     status;
471 	__le16   handle;
472 	__le16   policy;
473 } __packed;
474 
475 #define HCI_OP_WRITE_LINK_POLICY	0x080d
476 struct hci_cp_write_link_policy {
477 	__le16   handle;
478 	__le16   policy;
479 } __packed;
480 struct hci_rp_write_link_policy {
481 	__u8     status;
482 	__le16   handle;
483 } __packed;
484 
485 #define HCI_OP_READ_DEF_LINK_POLICY	0x080e
486 struct hci_rp_read_def_link_policy {
487 	__u8     status;
488 	__le16   policy;
489 } __packed;
490 
491 #define HCI_OP_WRITE_DEF_LINK_POLICY	0x080f
492 struct hci_cp_write_def_link_policy {
493 	__le16   policy;
494 } __packed;
495 
496 #define HCI_OP_SNIFF_SUBRATE		0x0811
497 struct hci_cp_sniff_subrate {
498 	__le16   handle;
499 	__le16   max_latency;
500 	__le16   min_remote_timeout;
501 	__le16   min_local_timeout;
502 } __packed;
503 
504 #define HCI_OP_SET_EVENT_MASK		0x0c01
505 struct hci_cp_set_event_mask {
506 	__u8     mask[8];
507 } __packed;
508 
509 #define HCI_OP_RESET			0x0c03
510 
511 #define HCI_OP_SET_EVENT_FLT		0x0c05
512 struct hci_cp_set_event_flt {
513 	__u8     flt_type;
514 	__u8     cond_type;
515 	__u8     condition[0];
516 } __packed;
517 
518 /* Filter types */
519 #define HCI_FLT_CLEAR_ALL	0x00
520 #define HCI_FLT_INQ_RESULT	0x01
521 #define HCI_FLT_CONN_SETUP	0x02
522 
523 /* CONN_SETUP Condition types */
524 #define HCI_CONN_SETUP_ALLOW_ALL	0x00
525 #define HCI_CONN_SETUP_ALLOW_CLASS	0x01
526 #define HCI_CONN_SETUP_ALLOW_BDADDR	0x02
527 
528 /* CONN_SETUP Conditions */
529 #define HCI_CONN_SETUP_AUTO_OFF	0x01
530 #define HCI_CONN_SETUP_AUTO_ON	0x02
531 
532 #define HCI_OP_DELETE_STORED_LINK_KEY	0x0c12
533 struct hci_cp_delete_stored_link_key {
534 	bdaddr_t bdaddr;
535 	__u8     delete_all;
536 } __packed;
537 
538 #define HCI_MAX_NAME_LENGTH		248
539 
540 #define HCI_OP_WRITE_LOCAL_NAME		0x0c13
541 struct hci_cp_write_local_name {
542 	__u8     name[HCI_MAX_NAME_LENGTH];
543 } __packed;
544 
545 #define HCI_OP_READ_LOCAL_NAME		0x0c14
546 struct hci_rp_read_local_name {
547 	__u8     status;
548 	__u8     name[HCI_MAX_NAME_LENGTH];
549 } __packed;
550 
551 #define HCI_OP_WRITE_CA_TIMEOUT		0x0c16
552 
553 #define HCI_OP_WRITE_PG_TIMEOUT		0x0c18
554 
555 #define HCI_OP_WRITE_SCAN_ENABLE	0x0c1a
556 	#define SCAN_DISABLED		0x00
557 	#define SCAN_INQUIRY		0x01
558 	#define SCAN_PAGE		0x02
559 
560 #define HCI_OP_READ_AUTH_ENABLE		0x0c1f
561 
562 #define HCI_OP_WRITE_AUTH_ENABLE	0x0c20
563 	#define AUTH_DISABLED		0x00
564 	#define AUTH_ENABLED		0x01
565 
566 #define HCI_OP_READ_ENCRYPT_MODE	0x0c21
567 
568 #define HCI_OP_WRITE_ENCRYPT_MODE	0x0c22
569 	#define ENCRYPT_DISABLED	0x00
570 	#define ENCRYPT_P2P		0x01
571 	#define ENCRYPT_BOTH		0x02
572 
573 #define HCI_OP_READ_CLASS_OF_DEV	0x0c23
574 struct hci_rp_read_class_of_dev {
575 	__u8     status;
576 	__u8     dev_class[3];
577 } __packed;
578 
579 #define HCI_OP_WRITE_CLASS_OF_DEV	0x0c24
580 struct hci_cp_write_class_of_dev {
581 	__u8     dev_class[3];
582 } __packed;
583 
584 #define HCI_OP_READ_VOICE_SETTING	0x0c25
585 struct hci_rp_read_voice_setting {
586 	__u8     status;
587 	__le16   voice_setting;
588 } __packed;
589 
590 #define HCI_OP_WRITE_VOICE_SETTING	0x0c26
591 struct hci_cp_write_voice_setting {
592 	__le16   voice_setting;
593 } __packed;
594 
595 #define HCI_OP_HOST_BUFFER_SIZE		0x0c33
596 struct hci_cp_host_buffer_size {
597 	__le16   acl_mtu;
598 	__u8     sco_mtu;
599 	__le16   acl_max_pkt;
600 	__le16   sco_max_pkt;
601 } __packed;
602 
603 #define HCI_OP_WRITE_INQUIRY_MODE	0x0c45
604 
605 #define HCI_OP_READ_SSP_MODE		0x0c55
606 struct hci_rp_read_ssp_mode {
607 	__u8     status;
608 	__u8     mode;
609 } __packed;
610 
611 #define HCI_OP_WRITE_SSP_MODE		0x0c56
612 struct hci_cp_write_ssp_mode {
613 	__u8     mode;
614 } __packed;
615 
616 #define HCI_OP_READ_LOCAL_OOB_DATA		0x0c57
617 struct hci_rp_read_local_oob_data {
618 	__u8     status;
619 	__u8     hash[16];
620 	__u8     randomizer[16];
621 } __packed;
622 
623 #define HCI_OP_READ_INQ_RSP_TX_POWER	0x0c58
624 
625 #define HCI_OP_READ_LOCAL_VERSION	0x1001
626 struct hci_rp_read_local_version {
627 	__u8     status;
628 	__u8     hci_ver;
629 	__le16   hci_rev;
630 	__u8     lmp_ver;
631 	__le16   manufacturer;
632 	__le16   lmp_subver;
633 } __packed;
634 
635 #define HCI_OP_READ_LOCAL_COMMANDS	0x1002
636 struct hci_rp_read_local_commands {
637 	__u8     status;
638 	__u8     commands[64];
639 } __packed;
640 
641 #define HCI_OP_READ_LOCAL_FEATURES	0x1003
642 struct hci_rp_read_local_features {
643 	__u8     status;
644 	__u8     features[8];
645 } __packed;
646 
647 #define HCI_OP_READ_LOCAL_EXT_FEATURES	0x1004
648 struct hci_rp_read_local_ext_features {
649 	__u8     status;
650 	__u8     page;
651 	__u8     max_page;
652 	__u8     features[8];
653 } __packed;
654 
655 #define HCI_OP_READ_BUFFER_SIZE		0x1005
656 struct hci_rp_read_buffer_size {
657 	__u8     status;
658 	__le16   acl_mtu;
659 	__u8     sco_mtu;
660 	__le16   acl_max_pkt;
661 	__le16   sco_max_pkt;
662 } __packed;
663 
664 #define HCI_OP_READ_BD_ADDR		0x1009
665 struct hci_rp_read_bd_addr {
666 	__u8     status;
667 	bdaddr_t bdaddr;
668 } __packed;
669 
670 #define HCI_OP_LE_SET_EVENT_MASK	0x2001
671 struct hci_cp_le_set_event_mask {
672 	__u8     mask[8];
673 } __packed;
674 
675 #define HCI_OP_LE_READ_BUFFER_SIZE	0x2002
676 struct hci_rp_le_read_buffer_size {
677 	__u8     status;
678 	__le16   le_mtu;
679 	__u8     le_max_pkt;
680 } __packed;
681 
682 #define HCI_OP_LE_CREATE_CONN		0x200d
683 struct hci_cp_le_create_conn {
684 	__le16   scan_interval;
685 	__le16   scan_window;
686 	__u8     filter_policy;
687 	__u8     peer_addr_type;
688 	bdaddr_t peer_addr;
689 	__u8     own_address_type;
690 	__le16   conn_interval_min;
691 	__le16   conn_interval_max;
692 	__le16   conn_latency;
693 	__le16   supervision_timeout;
694 	__le16   min_ce_len;
695 	__le16   max_ce_len;
696 } __packed;
697 
698 #define HCI_OP_LE_CREATE_CONN_CANCEL	0x200e
699 
700 #define HCI_OP_LE_CONN_UPDATE		0x2013
701 struct hci_cp_le_conn_update {
702 	__le16   handle;
703 	__le16   conn_interval_min;
704 	__le16   conn_interval_max;
705 	__le16   conn_latency;
706 	__le16   supervision_timeout;
707 	__le16   min_ce_len;
708 	__le16   max_ce_len;
709 } __packed;
710 
711 /* ---- HCI Events ---- */
712 #define HCI_EV_INQUIRY_COMPLETE		0x01
713 
714 #define HCI_EV_INQUIRY_RESULT		0x02
715 struct inquiry_info {
716 	bdaddr_t bdaddr;
717 	__u8     pscan_rep_mode;
718 	__u8     pscan_period_mode;
719 	__u8     pscan_mode;
720 	__u8     dev_class[3];
721 	__le16   clock_offset;
722 } __packed;
723 
724 #define HCI_EV_CONN_COMPLETE		0x03
725 struct hci_ev_conn_complete {
726 	__u8     status;
727 	__le16   handle;
728 	bdaddr_t bdaddr;
729 	__u8     link_type;
730 	__u8     encr_mode;
731 } __packed;
732 
733 #define HCI_EV_CONN_REQUEST		0x04
734 struct hci_ev_conn_request {
735 	bdaddr_t bdaddr;
736 	__u8     dev_class[3];
737 	__u8     link_type;
738 } __packed;
739 
740 #define HCI_EV_DISCONN_COMPLETE		0x05
741 struct hci_ev_disconn_complete {
742 	__u8     status;
743 	__le16   handle;
744 	__u8     reason;
745 } __packed;
746 
747 #define HCI_EV_AUTH_COMPLETE		0x06
748 struct hci_ev_auth_complete {
749 	__u8     status;
750 	__le16   handle;
751 } __packed;
752 
753 #define HCI_EV_REMOTE_NAME		0x07
754 struct hci_ev_remote_name {
755 	__u8     status;
756 	bdaddr_t bdaddr;
757 	__u8     name[HCI_MAX_NAME_LENGTH];
758 } __packed;
759 
760 #define HCI_EV_ENCRYPT_CHANGE		0x08
761 struct hci_ev_encrypt_change {
762 	__u8     status;
763 	__le16   handle;
764 	__u8     encrypt;
765 } __packed;
766 
767 #define HCI_EV_CHANGE_LINK_KEY_COMPLETE	0x09
768 struct hci_ev_change_link_key_complete {
769 	__u8     status;
770 	__le16   handle;
771 } __packed;
772 
773 #define HCI_EV_REMOTE_FEATURES		0x0b
774 struct hci_ev_remote_features {
775 	__u8     status;
776 	__le16   handle;
777 	__u8     features[8];
778 } __packed;
779 
780 #define HCI_EV_REMOTE_VERSION		0x0c
781 struct hci_ev_remote_version {
782 	__u8     status;
783 	__le16   handle;
784 	__u8     lmp_ver;
785 	__le16   manufacturer;
786 	__le16   lmp_subver;
787 } __packed;
788 
789 #define HCI_EV_QOS_SETUP_COMPLETE	0x0d
790 struct hci_qos {
791 	__u8     service_type;
792 	__u32    token_rate;
793 	__u32    peak_bandwidth;
794 	__u32    latency;
795 	__u32    delay_variation;
796 } __packed;
797 struct hci_ev_qos_setup_complete {
798 	__u8     status;
799 	__le16   handle;
800 	struct   hci_qos qos;
801 } __packed;
802 
803 #define HCI_EV_CMD_COMPLETE		0x0e
804 struct hci_ev_cmd_complete {
805 	__u8     ncmd;
806 	__le16   opcode;
807 } __packed;
808 
809 #define HCI_EV_CMD_STATUS		0x0f
810 struct hci_ev_cmd_status {
811 	__u8     status;
812 	__u8     ncmd;
813 	__le16   opcode;
814 } __packed;
815 
816 #define HCI_EV_ROLE_CHANGE		0x12
817 struct hci_ev_role_change {
818 	__u8     status;
819 	bdaddr_t bdaddr;
820 	__u8     role;
821 } __packed;
822 
823 #define HCI_EV_NUM_COMP_PKTS		0x13
824 struct hci_ev_num_comp_pkts {
825 	__u8     num_hndl;
826 	/* variable length part */
827 } __packed;
828 
829 #define HCI_EV_MODE_CHANGE		0x14
830 struct hci_ev_mode_change {
831 	__u8     status;
832 	__le16   handle;
833 	__u8     mode;
834 	__le16   interval;
835 } __packed;
836 
837 #define HCI_EV_PIN_CODE_REQ		0x16
838 struct hci_ev_pin_code_req {
839 	bdaddr_t bdaddr;
840 } __packed;
841 
842 #define HCI_EV_LINK_KEY_REQ		0x17
843 struct hci_ev_link_key_req {
844 	bdaddr_t bdaddr;
845 } __packed;
846 
847 #define HCI_EV_LINK_KEY_NOTIFY		0x18
848 struct hci_ev_link_key_notify {
849 	bdaddr_t bdaddr;
850 	__u8     link_key[16];
851 	__u8     key_type;
852 } __packed;
853 
854 #define HCI_EV_CLOCK_OFFSET		0x1c
855 struct hci_ev_clock_offset {
856 	__u8     status;
857 	__le16   handle;
858 	__le16   clock_offset;
859 } __packed;
860 
861 #define HCI_EV_PKT_TYPE_CHANGE		0x1d
862 struct hci_ev_pkt_type_change {
863 	__u8     status;
864 	__le16   handle;
865 	__le16   pkt_type;
866 } __packed;
867 
868 #define HCI_EV_PSCAN_REP_MODE		0x20
869 struct hci_ev_pscan_rep_mode {
870 	bdaddr_t bdaddr;
871 	__u8     pscan_rep_mode;
872 } __packed;
873 
874 #define HCI_EV_INQUIRY_RESULT_WITH_RSSI	0x22
875 struct inquiry_info_with_rssi {
876 	bdaddr_t bdaddr;
877 	__u8     pscan_rep_mode;
878 	__u8     pscan_period_mode;
879 	__u8     dev_class[3];
880 	__le16   clock_offset;
881 	__s8     rssi;
882 } __packed;
883 struct inquiry_info_with_rssi_and_pscan_mode {
884 	bdaddr_t bdaddr;
885 	__u8     pscan_rep_mode;
886 	__u8     pscan_period_mode;
887 	__u8     pscan_mode;
888 	__u8     dev_class[3];
889 	__le16   clock_offset;
890 	__s8     rssi;
891 } __packed;
892 
893 #define HCI_EV_REMOTE_EXT_FEATURES	0x23
894 struct hci_ev_remote_ext_features {
895 	__u8     status;
896 	__le16   handle;
897 	__u8     page;
898 	__u8     max_page;
899 	__u8     features[8];
900 } __packed;
901 
902 #define HCI_EV_SYNC_CONN_COMPLETE	0x2c
903 struct hci_ev_sync_conn_complete {
904 	__u8     status;
905 	__le16   handle;
906 	bdaddr_t bdaddr;
907 	__u8     link_type;
908 	__u8     tx_interval;
909 	__u8     retrans_window;
910 	__le16   rx_pkt_len;
911 	__le16   tx_pkt_len;
912 	__u8     air_mode;
913 } __packed;
914 
915 #define HCI_EV_SYNC_CONN_CHANGED	0x2d
916 struct hci_ev_sync_conn_changed {
917 	__u8     status;
918 	__le16   handle;
919 	__u8     tx_interval;
920 	__u8     retrans_window;
921 	__le16   rx_pkt_len;
922 	__le16   tx_pkt_len;
923 } __packed;
924 
925 #define HCI_EV_SNIFF_SUBRATE		0x2e
926 struct hci_ev_sniff_subrate {
927 	__u8     status;
928 	__le16   handle;
929 	__le16   max_tx_latency;
930 	__le16   max_rx_latency;
931 	__le16   max_remote_timeout;
932 	__le16   max_local_timeout;
933 } __packed;
934 
935 #define HCI_EV_EXTENDED_INQUIRY_RESULT	0x2f
936 struct extended_inquiry_info {
937 	bdaddr_t bdaddr;
938 	__u8     pscan_rep_mode;
939 	__u8     pscan_period_mode;
940 	__u8     dev_class[3];
941 	__le16   clock_offset;
942 	__s8     rssi;
943 	__u8     data[240];
944 } __packed;
945 
946 #define HCI_EV_IO_CAPA_REQUEST		0x31
947 struct hci_ev_io_capa_request {
948 	bdaddr_t bdaddr;
949 } __packed;
950 
951 #define HCI_EV_IO_CAPA_REPLY		0x32
952 struct hci_ev_io_capa_reply {
953 	bdaddr_t bdaddr;
954 	__u8     capability;
955 	__u8     oob_data;
956 	__u8     authentication;
957 } __packed;
958 
959 #define HCI_EV_USER_CONFIRM_REQUEST	0x33
960 struct hci_ev_user_confirm_req {
961 	bdaddr_t	bdaddr;
962 	__le32		passkey;
963 } __packed;
964 
965 #define HCI_EV_SIMPLE_PAIR_COMPLETE	0x36
966 struct hci_ev_simple_pair_complete {
967 	__u8     status;
968 	bdaddr_t bdaddr;
969 } __packed;
970 
971 #define HCI_EV_REMOTE_HOST_FEATURES	0x3d
972 struct hci_ev_remote_host_features {
973 	bdaddr_t bdaddr;
974 	__u8     features[8];
975 } __packed;
976 
977 #define HCI_EV_LE_META			0x3e
978 struct hci_ev_le_meta {
979 	__u8     subevent;
980 } __packed;
981 
982 /* Low energy meta events */
983 #define HCI_EV_LE_CONN_COMPLETE		0x01
984 struct hci_ev_le_conn_complete {
985 	__u8     status;
986 	__le16   handle;
987 	__u8     role;
988 	__u8     bdaddr_type;
989 	bdaddr_t bdaddr;
990 	__le16   interval;
991 	__le16   latency;
992 	__le16   supervision_timeout;
993 	__u8     clk_accurancy;
994 } __packed;
995 
996 /* Internal events generated by Bluetooth stack */
997 #define HCI_EV_STACK_INTERNAL	0xfd
998 struct hci_ev_stack_internal {
999 	__u16    type;
1000 	__u8     data[0];
1001 } __packed;
1002 
1003 #define HCI_EV_SI_DEVICE	0x01
1004 struct hci_ev_si_device {
1005 	__u16    event;
1006 	__u16    dev_id;
1007 } __packed;
1008 
1009 #define HCI_EV_SI_SECURITY	0x02
1010 struct hci_ev_si_security {
1011 	__u16    event;
1012 	__u16    proto;
1013 	__u16    subproto;
1014 	__u8     incoming;
1015 } __packed;
1016 
1017 /* ---- HCI Packet structures ---- */
1018 #define HCI_COMMAND_HDR_SIZE 3
1019 #define HCI_EVENT_HDR_SIZE   2
1020 #define HCI_ACL_HDR_SIZE     4
1021 #define HCI_SCO_HDR_SIZE     3
1022 
1023 struct hci_command_hdr {
1024 	__le16	opcode;		/* OCF & OGF */
1025 	__u8	plen;
1026 } __packed;
1027 
1028 struct hci_event_hdr {
1029 	__u8	evt;
1030 	__u8	plen;
1031 } __packed;
1032 
1033 struct hci_acl_hdr {
1034 	__le16	handle;		/* Handle & Flags(PB, BC) */
1035 	__le16	dlen;
1036 } __packed;
1037 
1038 struct hci_sco_hdr {
1039 	__le16	handle;
1040 	__u8	dlen;
1041 } __packed;
1042 
1043 #ifdef __KERNEL__
1044 #include <linux/skbuff.h>
1045 static inline struct hci_event_hdr *hci_event_hdr(const struct sk_buff *skb)
1046 {
1047 	return (struct hci_event_hdr *) skb->data;
1048 }
1049 
1050 static inline struct hci_acl_hdr *hci_acl_hdr(const struct sk_buff *skb)
1051 {
1052 	return (struct hci_acl_hdr *) skb->data;
1053 }
1054 
1055 static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb)
1056 {
1057 	return (struct hci_sco_hdr *) skb->data;
1058 }
1059 #endif
1060 
1061 /* Command opcode pack/unpack */
1062 #define hci_opcode_pack(ogf, ocf)	(__u16) ((ocf & 0x03ff)|(ogf << 10))
1063 #define hci_opcode_ogf(op)		(op >> 10)
1064 #define hci_opcode_ocf(op)		(op & 0x03ff)
1065 
1066 /* ACL handle and flags pack/unpack */
1067 #define hci_handle_pack(h, f)	(__u16) ((h & 0x0fff)|(f << 12))
1068 #define hci_handle(h)		(h & 0x0fff)
1069 #define hci_flags(h)		(h >> 12)
1070 
1071 /* ---- HCI Sockets ---- */
1072 
1073 /* Socket options */
1074 #define HCI_DATA_DIR	1
1075 #define HCI_FILTER	2
1076 #define HCI_TIME_STAMP	3
1077 
1078 /* CMSG flags */
1079 #define HCI_CMSG_DIR	0x0001
1080 #define HCI_CMSG_TSTAMP	0x0002
1081 
1082 struct sockaddr_hci {
1083 	sa_family_t    hci_family;
1084 	unsigned short hci_dev;
1085 	unsigned short hci_channel;
1086 };
1087 #define HCI_DEV_NONE	0xffff
1088 
1089 #define HCI_CHANNEL_RAW		0
1090 #define HCI_CHANNEL_CONTROL	1
1091 
1092 struct hci_filter {
1093 	unsigned long type_mask;
1094 	unsigned long event_mask[2];
1095 	__le16 opcode;
1096 };
1097 
1098 struct hci_ufilter {
1099 	__u32  type_mask;
1100 	__u32  event_mask[2];
1101 	__le16 opcode;
1102 };
1103 
1104 #define HCI_FLT_TYPE_BITS	31
1105 #define HCI_FLT_EVENT_BITS	63
1106 #define HCI_FLT_OGF_BITS	63
1107 #define HCI_FLT_OCF_BITS	127
1108 
1109 /* ---- HCI Ioctl requests structures ---- */
1110 struct hci_dev_stats {
1111 	__u32 err_rx;
1112 	__u32 err_tx;
1113 	__u32 cmd_tx;
1114 	__u32 evt_rx;
1115 	__u32 acl_tx;
1116 	__u32 acl_rx;
1117 	__u32 sco_tx;
1118 	__u32 sco_rx;
1119 	__u32 byte_rx;
1120 	__u32 byte_tx;
1121 };
1122 
1123 struct hci_dev_info {
1124 	__u16 dev_id;
1125 	char  name[8];
1126 
1127 	bdaddr_t bdaddr;
1128 
1129 	__u32 flags;
1130 	__u8  type;
1131 
1132 	__u8  features[8];
1133 
1134 	__u32 pkt_type;
1135 	__u32 link_policy;
1136 	__u32 link_mode;
1137 
1138 	__u16 acl_mtu;
1139 	__u16 acl_pkts;
1140 	__u16 sco_mtu;
1141 	__u16 sco_pkts;
1142 
1143 	struct hci_dev_stats stat;
1144 };
1145 
1146 struct hci_conn_info {
1147 	__u16    handle;
1148 	bdaddr_t bdaddr;
1149 	__u8     type;
1150 	__u8     out;
1151 	__u16    state;
1152 	__u32    link_mode;
1153 };
1154 
1155 struct hci_dev_req {
1156 	__u16  dev_id;
1157 	__u32  dev_opt;
1158 };
1159 
1160 struct hci_dev_list_req {
1161 	__u16  dev_num;
1162 	struct hci_dev_req dev_req[0];	/* hci_dev_req structures */
1163 };
1164 
1165 struct hci_conn_list_req {
1166 	__u16  dev_id;
1167 	__u16  conn_num;
1168 	struct hci_conn_info conn_info[0];
1169 };
1170 
1171 struct hci_conn_info_req {
1172 	bdaddr_t bdaddr;
1173 	__u8     type;
1174 	struct   hci_conn_info conn_info[0];
1175 };
1176 
1177 struct hci_auth_info_req {
1178 	bdaddr_t bdaddr;
1179 	__u8     type;
1180 };
1181 
1182 struct hci_inquiry_req {
1183 	__u16 dev_id;
1184 	__u16 flags;
1185 	__u8  lap[3];
1186 	__u8  length;
1187 	__u8  num_rsp;
1188 };
1189 #define IREQ_CACHE_FLUSH 0x0001
1190 
1191 #endif /* __HCI_H */
1192