xref: /openbmc/linux/include/net/bluetooth/hci.h (revision 17fa4b9d)
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 
123 /* HCI data types */
124 #define HCI_COMMAND_PKT		0x01
125 #define HCI_ACLDATA_PKT		0x02
126 #define HCI_SCODATA_PKT		0x03
127 #define HCI_EVENT_PKT		0x04
128 #define HCI_VENDOR_PKT		0xff
129 
130 /* HCI packet types */
131 #define HCI_DM1		0x0008
132 #define HCI_DM3		0x0400
133 #define HCI_DM5		0x4000
134 #define HCI_DH1		0x0010
135 #define HCI_DH3		0x0800
136 #define HCI_DH5		0x8000
137 
138 #define HCI_HV1		0x0020
139 #define HCI_HV2		0x0040
140 #define HCI_HV3		0x0080
141 
142 #define SCO_PTYPE_MASK	(HCI_HV1 | HCI_HV2 | HCI_HV3)
143 #define ACL_PTYPE_MASK	(~SCO_PTYPE_MASK)
144 
145 /* eSCO packet types */
146 #define ESCO_HV1	0x0001
147 #define ESCO_HV2	0x0002
148 #define ESCO_HV3	0x0004
149 #define ESCO_EV3	0x0008
150 #define ESCO_EV4	0x0010
151 #define ESCO_EV5	0x0020
152 #define ESCO_2EV3	0x0040
153 #define ESCO_3EV3	0x0080
154 #define ESCO_2EV5	0x0100
155 #define ESCO_3EV5	0x0200
156 
157 #define SCO_ESCO_MASK  (ESCO_HV1 | ESCO_HV2 | ESCO_HV3)
158 #define EDR_ESCO_MASK  (ESCO_2EV3 | ESCO_3EV3 | ESCO_2EV5 | ESCO_3EV5)
159 
160 /* ACL flags */
161 #define ACL_START_NO_FLUSH	0x00
162 #define ACL_CONT		0x01
163 #define ACL_START		0x02
164 #define ACL_ACTIVE_BCAST	0x04
165 #define ACL_PICO_BCAST		0x08
166 
167 /* Baseband links */
168 #define SCO_LINK	0x00
169 #define ACL_LINK	0x01
170 #define ESCO_LINK	0x02
171 
172 /* LMP features */
173 #define LMP_3SLOT	0x01
174 #define LMP_5SLOT	0x02
175 #define LMP_ENCRYPT	0x04
176 #define LMP_SOFFSET	0x08
177 #define LMP_TACCURACY	0x10
178 #define LMP_RSWITCH	0x20
179 #define LMP_HOLD	0x40
180 #define LMP_SNIFF	0x80
181 
182 #define LMP_PARK	0x01
183 #define LMP_RSSI	0x02
184 #define LMP_QUALITY	0x04
185 #define LMP_SCO		0x08
186 #define LMP_HV2		0x10
187 #define LMP_HV3		0x20
188 #define LMP_ULAW	0x40
189 #define LMP_ALAW	0x80
190 
191 #define LMP_CVSD	0x01
192 #define LMP_PSCHEME	0x02
193 #define LMP_PCONTROL	0x04
194 
195 #define LMP_RSSI_INQ	0x40
196 #define LMP_ESCO	0x80
197 
198 #define LMP_EV4		0x01
199 #define LMP_EV5		0x02
200 #define LMP_LE		0x40
201 
202 #define LMP_SNIFF_SUBR	0x02
203 #define LMP_PAUSE_ENC	0x04
204 #define LMP_EDR_ESCO_2M	0x20
205 #define LMP_EDR_ESCO_3M	0x40
206 #define LMP_EDR_3S_ESCO	0x80
207 
208 #define LMP_EXT_INQ	0x01
209 #define LMP_SIMPLE_PAIR	0x08
210 #define LMP_NO_FLUSH	0x40
211 
212 #define LMP_LSTO	0x01
213 #define LMP_INQ_TX_PWR	0x02
214 
215 /* Connection modes */
216 #define HCI_CM_ACTIVE	0x0000
217 #define HCI_CM_HOLD	0x0001
218 #define HCI_CM_SNIFF	0x0002
219 #define HCI_CM_PARK	0x0003
220 
221 /* Link policies */
222 #define HCI_LP_RSWITCH	0x0001
223 #define HCI_LP_HOLD	0x0002
224 #define HCI_LP_SNIFF	0x0004
225 #define HCI_LP_PARK	0x0008
226 
227 /* Link modes */
228 #define HCI_LM_ACCEPT	0x8000
229 #define HCI_LM_MASTER	0x0001
230 #define HCI_LM_AUTH	0x0002
231 #define HCI_LM_ENCRYPT	0x0004
232 #define HCI_LM_TRUSTED	0x0008
233 #define HCI_LM_RELIABLE	0x0010
234 #define HCI_LM_SECURE	0x0020
235 
236 /* Authentication types */
237 #define HCI_AT_NO_BONDING		0x00
238 #define HCI_AT_NO_BONDING_MITM		0x01
239 #define HCI_AT_DEDICATED_BONDING	0x02
240 #define HCI_AT_DEDICATED_BONDING_MITM	0x03
241 #define HCI_AT_GENERAL_BONDING		0x04
242 #define HCI_AT_GENERAL_BONDING_MITM	0x05
243 
244 /* -----  HCI Commands ---- */
245 #define HCI_OP_INQUIRY			0x0401
246 struct hci_cp_inquiry {
247 	__u8     lap[3];
248 	__u8     length;
249 	__u8     num_rsp;
250 } __packed;
251 
252 #define HCI_OP_INQUIRY_CANCEL		0x0402
253 
254 #define HCI_OP_EXIT_PERIODIC_INQ	0x0404
255 
256 #define HCI_OP_CREATE_CONN		0x0405
257 struct hci_cp_create_conn {
258 	bdaddr_t bdaddr;
259 	__le16   pkt_type;
260 	__u8     pscan_rep_mode;
261 	__u8     pscan_mode;
262 	__le16   clock_offset;
263 	__u8     role_switch;
264 } __packed;
265 
266 #define HCI_OP_DISCONNECT		0x0406
267 struct hci_cp_disconnect {
268 	__le16   handle;
269 	__u8     reason;
270 } __packed;
271 
272 #define HCI_OP_ADD_SCO			0x0407
273 struct hci_cp_add_sco {
274 	__le16   handle;
275 	__le16   pkt_type;
276 } __packed;
277 
278 #define HCI_OP_CREATE_CONN_CANCEL	0x0408
279 struct hci_cp_create_conn_cancel {
280 	bdaddr_t bdaddr;
281 } __packed;
282 
283 #define HCI_OP_ACCEPT_CONN_REQ		0x0409
284 struct hci_cp_accept_conn_req {
285 	bdaddr_t bdaddr;
286 	__u8     role;
287 } __packed;
288 
289 #define HCI_OP_REJECT_CONN_REQ		0x040a
290 struct hci_cp_reject_conn_req {
291 	bdaddr_t bdaddr;
292 	__u8     reason;
293 } __packed;
294 
295 #define HCI_OP_LINK_KEY_REPLY		0x040b
296 struct hci_cp_link_key_reply {
297 	bdaddr_t bdaddr;
298 	__u8     link_key[16];
299 } __packed;
300 
301 #define HCI_OP_LINK_KEY_NEG_REPLY	0x040c
302 struct hci_cp_link_key_neg_reply {
303 	bdaddr_t bdaddr;
304 } __packed;
305 
306 #define HCI_OP_PIN_CODE_REPLY		0x040d
307 struct hci_cp_pin_code_reply {
308 	bdaddr_t bdaddr;
309 	__u8     pin_len;
310 	__u8     pin_code[16];
311 } __packed;
312 struct hci_rp_pin_code_reply {
313 	__u8     status;
314 	bdaddr_t bdaddr;
315 } __packed;
316 
317 #define HCI_OP_PIN_CODE_NEG_REPLY	0x040e
318 struct hci_cp_pin_code_neg_reply {
319 	bdaddr_t bdaddr;
320 } __packed;
321 struct hci_rp_pin_code_neg_reply {
322 	__u8     status;
323 	bdaddr_t bdaddr;
324 } __packed;
325 
326 #define HCI_OP_CHANGE_CONN_PTYPE	0x040f
327 struct hci_cp_change_conn_ptype {
328 	__le16   handle;
329 	__le16   pkt_type;
330 } __packed;
331 
332 #define HCI_OP_AUTH_REQUESTED		0x0411
333 struct hci_cp_auth_requested {
334 	__le16   handle;
335 } __packed;
336 
337 #define HCI_OP_SET_CONN_ENCRYPT		0x0413
338 struct hci_cp_set_conn_encrypt {
339 	__le16   handle;
340 	__u8     encrypt;
341 } __packed;
342 
343 #define HCI_OP_CHANGE_CONN_LINK_KEY	0x0415
344 struct hci_cp_change_conn_link_key {
345 	__le16   handle;
346 } __packed;
347 
348 #define HCI_OP_REMOTE_NAME_REQ		0x0419
349 struct hci_cp_remote_name_req {
350 	bdaddr_t bdaddr;
351 	__u8     pscan_rep_mode;
352 	__u8     pscan_mode;
353 	__le16   clock_offset;
354 } __packed;
355 
356 #define HCI_OP_REMOTE_NAME_REQ_CANCEL	0x041a
357 struct hci_cp_remote_name_req_cancel {
358 	bdaddr_t bdaddr;
359 } __packed;
360 
361 #define HCI_OP_READ_REMOTE_FEATURES	0x041b
362 struct hci_cp_read_remote_features {
363 	__le16   handle;
364 } __packed;
365 
366 #define HCI_OP_READ_REMOTE_EXT_FEATURES	0x041c
367 struct hci_cp_read_remote_ext_features {
368 	__le16   handle;
369 	__u8     page;
370 } __packed;
371 
372 #define HCI_OP_READ_REMOTE_VERSION	0x041d
373 struct hci_cp_read_remote_version {
374 	__le16   handle;
375 } __packed;
376 
377 #define HCI_OP_SETUP_SYNC_CONN		0x0428
378 struct hci_cp_setup_sync_conn {
379 	__le16   handle;
380 	__le32   tx_bandwidth;
381 	__le32   rx_bandwidth;
382 	__le16   max_latency;
383 	__le16   voice_setting;
384 	__u8     retrans_effort;
385 	__le16   pkt_type;
386 } __packed;
387 
388 #define HCI_OP_ACCEPT_SYNC_CONN_REQ	0x0429
389 struct hci_cp_accept_sync_conn_req {
390 	bdaddr_t bdaddr;
391 	__le32   tx_bandwidth;
392 	__le32   rx_bandwidth;
393 	__le16   max_latency;
394 	__le16   content_format;
395 	__u8     retrans_effort;
396 	__le16   pkt_type;
397 } __packed;
398 
399 #define HCI_OP_REJECT_SYNC_CONN_REQ	0x042a
400 struct hci_cp_reject_sync_conn_req {
401 	bdaddr_t bdaddr;
402 	__u8     reason;
403 } __packed;
404 
405 #define HCI_OP_IO_CAPABILITY_REPLY	0x042b
406 struct hci_cp_io_capability_reply {
407 	bdaddr_t bdaddr;
408 	__u8     capability;
409 	__u8     oob_data;
410 	__u8     authentication;
411 } __packed;
412 
413 #define HCI_OP_IO_CAPABILITY_NEG_REPLY	0x0434
414 struct hci_cp_io_capability_neg_reply {
415 	bdaddr_t bdaddr;
416 	__u8     reason;
417 } __packed;
418 
419 #define HCI_OP_SNIFF_MODE		0x0803
420 struct hci_cp_sniff_mode {
421 	__le16   handle;
422 	__le16   max_interval;
423 	__le16   min_interval;
424 	__le16   attempt;
425 	__le16   timeout;
426 } __packed;
427 
428 #define HCI_OP_EXIT_SNIFF_MODE		0x0804
429 struct hci_cp_exit_sniff_mode {
430 	__le16   handle;
431 } __packed;
432 
433 #define HCI_OP_ROLE_DISCOVERY		0x0809
434 struct hci_cp_role_discovery {
435 	__le16   handle;
436 } __packed;
437 struct hci_rp_role_discovery {
438 	__u8     status;
439 	__le16   handle;
440 	__u8     role;
441 } __packed;
442 
443 #define HCI_OP_SWITCH_ROLE		0x080b
444 struct hci_cp_switch_role {
445 	bdaddr_t bdaddr;
446 	__u8     role;
447 } __packed;
448 
449 #define HCI_OP_READ_LINK_POLICY		0x080c
450 struct hci_cp_read_link_policy {
451 	__le16   handle;
452 } __packed;
453 struct hci_rp_read_link_policy {
454 	__u8     status;
455 	__le16   handle;
456 	__le16   policy;
457 } __packed;
458 
459 #define HCI_OP_WRITE_LINK_POLICY	0x080d
460 struct hci_cp_write_link_policy {
461 	__le16   handle;
462 	__le16   policy;
463 } __packed;
464 struct hci_rp_write_link_policy {
465 	__u8     status;
466 	__le16   handle;
467 } __packed;
468 
469 #define HCI_OP_READ_DEF_LINK_POLICY	0x080e
470 struct hci_rp_read_def_link_policy {
471 	__u8     status;
472 	__le16   policy;
473 } __packed;
474 
475 #define HCI_OP_WRITE_DEF_LINK_POLICY	0x080f
476 struct hci_cp_write_def_link_policy {
477 	__le16   policy;
478 } __packed;
479 
480 #define HCI_OP_SNIFF_SUBRATE		0x0811
481 struct hci_cp_sniff_subrate {
482 	__le16   handle;
483 	__le16   max_latency;
484 	__le16   min_remote_timeout;
485 	__le16   min_local_timeout;
486 } __packed;
487 
488 #define HCI_OP_SET_EVENT_MASK		0x0c01
489 struct hci_cp_set_event_mask {
490 	__u8     mask[8];
491 } __packed;
492 
493 #define HCI_OP_RESET			0x0c03
494 
495 #define HCI_OP_SET_EVENT_FLT		0x0c05
496 struct hci_cp_set_event_flt {
497 	__u8     flt_type;
498 	__u8     cond_type;
499 	__u8     condition[0];
500 } __packed;
501 
502 /* Filter types */
503 #define HCI_FLT_CLEAR_ALL	0x00
504 #define HCI_FLT_INQ_RESULT	0x01
505 #define HCI_FLT_CONN_SETUP	0x02
506 
507 /* CONN_SETUP Condition types */
508 #define HCI_CONN_SETUP_ALLOW_ALL	0x00
509 #define HCI_CONN_SETUP_ALLOW_CLASS	0x01
510 #define HCI_CONN_SETUP_ALLOW_BDADDR	0x02
511 
512 /* CONN_SETUP Conditions */
513 #define HCI_CONN_SETUP_AUTO_OFF	0x01
514 #define HCI_CONN_SETUP_AUTO_ON	0x02
515 
516 #define HCI_OP_DELETE_STORED_LINK_KEY	0x0c12
517 struct hci_cp_delete_stored_link_key {
518 	bdaddr_t bdaddr;
519 	__u8     delete_all;
520 } __packed;
521 
522 #define HCI_OP_WRITE_LOCAL_NAME		0x0c13
523 struct hci_cp_write_local_name {
524 	__u8     name[248];
525 } __packed;
526 
527 #define HCI_OP_READ_LOCAL_NAME		0x0c14
528 struct hci_rp_read_local_name {
529 	__u8     status;
530 	__u8     name[248];
531 } __packed;
532 
533 #define HCI_OP_WRITE_CA_TIMEOUT		0x0c16
534 
535 #define HCI_OP_WRITE_PG_TIMEOUT		0x0c18
536 
537 #define HCI_OP_WRITE_SCAN_ENABLE	0x0c1a
538 	#define SCAN_DISABLED		0x00
539 	#define SCAN_INQUIRY		0x01
540 	#define SCAN_PAGE		0x02
541 
542 #define HCI_OP_READ_AUTH_ENABLE		0x0c1f
543 
544 #define HCI_OP_WRITE_AUTH_ENABLE	0x0c20
545 	#define AUTH_DISABLED		0x00
546 	#define AUTH_ENABLED		0x01
547 
548 #define HCI_OP_READ_ENCRYPT_MODE	0x0c21
549 
550 #define HCI_OP_WRITE_ENCRYPT_MODE	0x0c22
551 	#define ENCRYPT_DISABLED	0x00
552 	#define ENCRYPT_P2P		0x01
553 	#define ENCRYPT_BOTH		0x02
554 
555 #define HCI_OP_READ_CLASS_OF_DEV	0x0c23
556 struct hci_rp_read_class_of_dev {
557 	__u8     status;
558 	__u8     dev_class[3];
559 } __packed;
560 
561 #define HCI_OP_WRITE_CLASS_OF_DEV	0x0c24
562 struct hci_cp_write_class_of_dev {
563 	__u8     dev_class[3];
564 } __packed;
565 
566 #define HCI_OP_READ_VOICE_SETTING	0x0c25
567 struct hci_rp_read_voice_setting {
568 	__u8     status;
569 	__le16   voice_setting;
570 } __packed;
571 
572 #define HCI_OP_WRITE_VOICE_SETTING	0x0c26
573 struct hci_cp_write_voice_setting {
574 	__le16   voice_setting;
575 } __packed;
576 
577 #define HCI_OP_HOST_BUFFER_SIZE		0x0c33
578 struct hci_cp_host_buffer_size {
579 	__le16   acl_mtu;
580 	__u8     sco_mtu;
581 	__le16   acl_max_pkt;
582 	__le16   sco_max_pkt;
583 } __packed;
584 
585 #define HCI_OP_WRITE_INQUIRY_MODE	0x0c45
586 
587 #define HCI_OP_READ_SSP_MODE		0x0c55
588 struct hci_rp_read_ssp_mode {
589 	__u8     status;
590 	__u8     mode;
591 } __packed;
592 
593 #define HCI_OP_WRITE_SSP_MODE		0x0c56
594 struct hci_cp_write_ssp_mode {
595 	__u8     mode;
596 } __packed;
597 
598 #define HCI_OP_READ_INQ_RSP_TX_POWER	0x0c58
599 
600 #define HCI_OP_READ_LOCAL_VERSION	0x1001
601 struct hci_rp_read_local_version {
602 	__u8     status;
603 	__u8     hci_ver;
604 	__le16   hci_rev;
605 	__u8     lmp_ver;
606 	__le16   manufacturer;
607 	__le16   lmp_subver;
608 } __packed;
609 
610 #define HCI_OP_READ_LOCAL_COMMANDS	0x1002
611 struct hci_rp_read_local_commands {
612 	__u8     status;
613 	__u8     commands[64];
614 } __packed;
615 
616 #define HCI_OP_READ_LOCAL_FEATURES	0x1003
617 struct hci_rp_read_local_features {
618 	__u8     status;
619 	__u8     features[8];
620 } __packed;
621 
622 #define HCI_OP_READ_LOCAL_EXT_FEATURES	0x1004
623 struct hci_rp_read_local_ext_features {
624 	__u8     status;
625 	__u8     page;
626 	__u8     max_page;
627 	__u8     features[8];
628 } __packed;
629 
630 #define HCI_OP_READ_BUFFER_SIZE		0x1005
631 struct hci_rp_read_buffer_size {
632 	__u8     status;
633 	__le16   acl_mtu;
634 	__u8     sco_mtu;
635 	__le16   acl_max_pkt;
636 	__le16   sco_max_pkt;
637 } __packed;
638 
639 #define HCI_OP_READ_BD_ADDR		0x1009
640 struct hci_rp_read_bd_addr {
641 	__u8     status;
642 	bdaddr_t bdaddr;
643 } __packed;
644 
645 /* ---- HCI Events ---- */
646 #define HCI_EV_INQUIRY_COMPLETE		0x01
647 
648 #define HCI_EV_INQUIRY_RESULT		0x02
649 struct inquiry_info {
650 	bdaddr_t bdaddr;
651 	__u8     pscan_rep_mode;
652 	__u8     pscan_period_mode;
653 	__u8     pscan_mode;
654 	__u8     dev_class[3];
655 	__le16   clock_offset;
656 } __packed;
657 
658 #define HCI_EV_CONN_COMPLETE		0x03
659 struct hci_ev_conn_complete {
660 	__u8     status;
661 	__le16   handle;
662 	bdaddr_t bdaddr;
663 	__u8     link_type;
664 	__u8     encr_mode;
665 } __packed;
666 
667 #define HCI_EV_CONN_REQUEST		0x04
668 struct hci_ev_conn_request {
669 	bdaddr_t bdaddr;
670 	__u8     dev_class[3];
671 	__u8     link_type;
672 } __packed;
673 
674 #define HCI_EV_DISCONN_COMPLETE		0x05
675 struct hci_ev_disconn_complete {
676 	__u8     status;
677 	__le16   handle;
678 	__u8     reason;
679 } __packed;
680 
681 #define HCI_EV_AUTH_COMPLETE		0x06
682 struct hci_ev_auth_complete {
683 	__u8     status;
684 	__le16   handle;
685 } __packed;
686 
687 #define HCI_EV_REMOTE_NAME		0x07
688 struct hci_ev_remote_name {
689 	__u8     status;
690 	bdaddr_t bdaddr;
691 	__u8     name[248];
692 } __packed;
693 
694 #define HCI_EV_ENCRYPT_CHANGE		0x08
695 struct hci_ev_encrypt_change {
696 	__u8     status;
697 	__le16   handle;
698 	__u8     encrypt;
699 } __packed;
700 
701 #define HCI_EV_CHANGE_LINK_KEY_COMPLETE	0x09
702 struct hci_ev_change_link_key_complete {
703 	__u8     status;
704 	__le16   handle;
705 } __packed;
706 
707 #define HCI_EV_REMOTE_FEATURES		0x0b
708 struct hci_ev_remote_features {
709 	__u8     status;
710 	__le16   handle;
711 	__u8     features[8];
712 } __packed;
713 
714 #define HCI_EV_REMOTE_VERSION		0x0c
715 struct hci_ev_remote_version {
716 	__u8     status;
717 	__le16   handle;
718 	__u8     lmp_ver;
719 	__le16   manufacturer;
720 	__le16   lmp_subver;
721 } __packed;
722 
723 #define HCI_EV_QOS_SETUP_COMPLETE	0x0d
724 struct hci_qos {
725 	__u8     service_type;
726 	__u32    token_rate;
727 	__u32    peak_bandwidth;
728 	__u32    latency;
729 	__u32    delay_variation;
730 } __packed;
731 struct hci_ev_qos_setup_complete {
732 	__u8     status;
733 	__le16   handle;
734 	struct   hci_qos qos;
735 } __packed;
736 
737 #define HCI_EV_CMD_COMPLETE		0x0e
738 struct hci_ev_cmd_complete {
739 	__u8     ncmd;
740 	__le16   opcode;
741 } __packed;
742 
743 #define HCI_EV_CMD_STATUS		0x0f
744 struct hci_ev_cmd_status {
745 	__u8     status;
746 	__u8     ncmd;
747 	__le16   opcode;
748 } __packed;
749 
750 #define HCI_EV_ROLE_CHANGE		0x12
751 struct hci_ev_role_change {
752 	__u8     status;
753 	bdaddr_t bdaddr;
754 	__u8     role;
755 } __packed;
756 
757 #define HCI_EV_NUM_COMP_PKTS		0x13
758 struct hci_ev_num_comp_pkts {
759 	__u8     num_hndl;
760 	/* variable length part */
761 } __packed;
762 
763 #define HCI_EV_MODE_CHANGE		0x14
764 struct hci_ev_mode_change {
765 	__u8     status;
766 	__le16   handle;
767 	__u8     mode;
768 	__le16   interval;
769 } __packed;
770 
771 #define HCI_EV_PIN_CODE_REQ		0x16
772 struct hci_ev_pin_code_req {
773 	bdaddr_t bdaddr;
774 } __packed;
775 
776 #define HCI_EV_LINK_KEY_REQ		0x17
777 struct hci_ev_link_key_req {
778 	bdaddr_t bdaddr;
779 } __packed;
780 
781 #define HCI_EV_LINK_KEY_NOTIFY		0x18
782 struct hci_ev_link_key_notify {
783 	bdaddr_t bdaddr;
784 	__u8     link_key[16];
785 	__u8     key_type;
786 } __packed;
787 
788 #define HCI_EV_CLOCK_OFFSET		0x1c
789 struct hci_ev_clock_offset {
790 	__u8     status;
791 	__le16   handle;
792 	__le16   clock_offset;
793 } __packed;
794 
795 #define HCI_EV_PKT_TYPE_CHANGE		0x1d
796 struct hci_ev_pkt_type_change {
797 	__u8     status;
798 	__le16   handle;
799 	__le16   pkt_type;
800 } __packed;
801 
802 #define HCI_EV_PSCAN_REP_MODE		0x20
803 struct hci_ev_pscan_rep_mode {
804 	bdaddr_t bdaddr;
805 	__u8     pscan_rep_mode;
806 } __packed;
807 
808 #define HCI_EV_INQUIRY_RESULT_WITH_RSSI	0x22
809 struct inquiry_info_with_rssi {
810 	bdaddr_t bdaddr;
811 	__u8     pscan_rep_mode;
812 	__u8     pscan_period_mode;
813 	__u8     dev_class[3];
814 	__le16   clock_offset;
815 	__s8     rssi;
816 } __packed;
817 struct inquiry_info_with_rssi_and_pscan_mode {
818 	bdaddr_t bdaddr;
819 	__u8     pscan_rep_mode;
820 	__u8     pscan_period_mode;
821 	__u8     pscan_mode;
822 	__u8     dev_class[3];
823 	__le16   clock_offset;
824 	__s8     rssi;
825 } __packed;
826 
827 #define HCI_EV_REMOTE_EXT_FEATURES	0x23
828 struct hci_ev_remote_ext_features {
829 	__u8     status;
830 	__le16   handle;
831 	__u8     page;
832 	__u8     max_page;
833 	__u8     features[8];
834 } __packed;
835 
836 #define HCI_EV_SYNC_CONN_COMPLETE	0x2c
837 struct hci_ev_sync_conn_complete {
838 	__u8     status;
839 	__le16   handle;
840 	bdaddr_t bdaddr;
841 	__u8     link_type;
842 	__u8     tx_interval;
843 	__u8     retrans_window;
844 	__le16   rx_pkt_len;
845 	__le16   tx_pkt_len;
846 	__u8     air_mode;
847 } __packed;
848 
849 #define HCI_EV_SYNC_CONN_CHANGED	0x2d
850 struct hci_ev_sync_conn_changed {
851 	__u8     status;
852 	__le16   handle;
853 	__u8     tx_interval;
854 	__u8     retrans_window;
855 	__le16   rx_pkt_len;
856 	__le16   tx_pkt_len;
857 } __packed;
858 
859 #define HCI_EV_SNIFF_SUBRATE		0x2e
860 struct hci_ev_sniff_subrate {
861 	__u8     status;
862 	__le16   handle;
863 	__le16   max_tx_latency;
864 	__le16   max_rx_latency;
865 	__le16   max_remote_timeout;
866 	__le16   max_local_timeout;
867 } __packed;
868 
869 #define HCI_EV_EXTENDED_INQUIRY_RESULT	0x2f
870 struct extended_inquiry_info {
871 	bdaddr_t bdaddr;
872 	__u8     pscan_rep_mode;
873 	__u8     pscan_period_mode;
874 	__u8     dev_class[3];
875 	__le16   clock_offset;
876 	__s8     rssi;
877 	__u8     data[240];
878 } __packed;
879 
880 #define HCI_EV_IO_CAPA_REQUEST		0x31
881 struct hci_ev_io_capa_request {
882 	bdaddr_t bdaddr;
883 } __packed;
884 
885 #define HCI_EV_IO_CAPA_REPLY		0x32
886 struct hci_ev_io_capa_reply {
887 	bdaddr_t bdaddr;
888 	__u8     capability;
889 	__u8     oob_data;
890 	__u8     authentication;
891 } __packed;
892 
893 #define HCI_EV_SIMPLE_PAIR_COMPLETE	0x36
894 struct hci_ev_simple_pair_complete {
895 	__u8     status;
896 	bdaddr_t bdaddr;
897 } __packed;
898 
899 #define HCI_EV_REMOTE_HOST_FEATURES	0x3d
900 struct hci_ev_remote_host_features {
901 	bdaddr_t bdaddr;
902 	__u8     features[8];
903 } __packed;
904 
905 /* Internal events generated by Bluetooth stack */
906 #define HCI_EV_STACK_INTERNAL	0xfd
907 struct hci_ev_stack_internal {
908 	__u16    type;
909 	__u8     data[0];
910 } __packed;
911 
912 #define HCI_EV_SI_DEVICE	0x01
913 struct hci_ev_si_device {
914 	__u16    event;
915 	__u16    dev_id;
916 } __packed;
917 
918 #define HCI_EV_SI_SECURITY	0x02
919 struct hci_ev_si_security {
920 	__u16    event;
921 	__u16    proto;
922 	__u16    subproto;
923 	__u8     incoming;
924 } __packed;
925 
926 /* ---- HCI Packet structures ---- */
927 #define HCI_COMMAND_HDR_SIZE 3
928 #define HCI_EVENT_HDR_SIZE   2
929 #define HCI_ACL_HDR_SIZE     4
930 #define HCI_SCO_HDR_SIZE     3
931 
932 struct hci_command_hdr {
933 	__le16	opcode;		/* OCF & OGF */
934 	__u8	plen;
935 } __packed;
936 
937 struct hci_event_hdr {
938 	__u8	evt;
939 	__u8	plen;
940 } __packed;
941 
942 struct hci_acl_hdr {
943 	__le16	handle;		/* Handle & Flags(PB, BC) */
944 	__le16	dlen;
945 } __packed;
946 
947 struct hci_sco_hdr {
948 	__le16	handle;
949 	__u8	dlen;
950 } __packed;
951 
952 #ifdef __KERNEL__
953 #include <linux/skbuff.h>
954 static inline struct hci_event_hdr *hci_event_hdr(const struct sk_buff *skb)
955 {
956 	return (struct hci_event_hdr *) skb->data;
957 }
958 
959 static inline struct hci_acl_hdr *hci_acl_hdr(const struct sk_buff *skb)
960 {
961 	return (struct hci_acl_hdr *) skb->data;
962 }
963 
964 static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb)
965 {
966 	return (struct hci_sco_hdr *) skb->data;
967 }
968 #endif
969 
970 /* Command opcode pack/unpack */
971 #define hci_opcode_pack(ogf, ocf)	(__u16) ((ocf & 0x03ff)|(ogf << 10))
972 #define hci_opcode_ogf(op)		(op >> 10)
973 #define hci_opcode_ocf(op)		(op & 0x03ff)
974 
975 /* ACL handle and flags pack/unpack */
976 #define hci_handle_pack(h, f)	(__u16) ((h & 0x0fff)|(f << 12))
977 #define hci_handle(h)		(h & 0x0fff)
978 #define hci_flags(h)		(h >> 12)
979 
980 /* ---- HCI Sockets ---- */
981 
982 /* Socket options */
983 #define HCI_DATA_DIR	1
984 #define HCI_FILTER	2
985 #define HCI_TIME_STAMP	3
986 
987 /* CMSG flags */
988 #define HCI_CMSG_DIR	0x0001
989 #define HCI_CMSG_TSTAMP	0x0002
990 
991 struct sockaddr_hci {
992 	sa_family_t    hci_family;
993 	unsigned short hci_dev;
994 	unsigned short hci_channel;
995 };
996 #define HCI_DEV_NONE	0xffff
997 
998 #define HCI_CHANNEL_RAW		0
999 #define HCI_CHANNEL_CONTROL	1
1000 
1001 struct hci_filter {
1002 	unsigned long type_mask;
1003 	unsigned long event_mask[2];
1004 	__le16 opcode;
1005 };
1006 
1007 struct hci_ufilter {
1008 	__u32  type_mask;
1009 	__u32  event_mask[2];
1010 	__le16 opcode;
1011 };
1012 
1013 #define HCI_FLT_TYPE_BITS	31
1014 #define HCI_FLT_EVENT_BITS	63
1015 #define HCI_FLT_OGF_BITS	63
1016 #define HCI_FLT_OCF_BITS	127
1017 
1018 /* ---- HCI Ioctl requests structures ---- */
1019 struct hci_dev_stats {
1020 	__u32 err_rx;
1021 	__u32 err_tx;
1022 	__u32 cmd_tx;
1023 	__u32 evt_rx;
1024 	__u32 acl_tx;
1025 	__u32 acl_rx;
1026 	__u32 sco_tx;
1027 	__u32 sco_rx;
1028 	__u32 byte_rx;
1029 	__u32 byte_tx;
1030 };
1031 
1032 struct hci_dev_info {
1033 	__u16 dev_id;
1034 	char  name[8];
1035 
1036 	bdaddr_t bdaddr;
1037 
1038 	__u32 flags;
1039 	__u8  type;
1040 
1041 	__u8  features[8];
1042 
1043 	__u32 pkt_type;
1044 	__u32 link_policy;
1045 	__u32 link_mode;
1046 
1047 	__u16 acl_mtu;
1048 	__u16 acl_pkts;
1049 	__u16 sco_mtu;
1050 	__u16 sco_pkts;
1051 
1052 	struct hci_dev_stats stat;
1053 };
1054 
1055 struct hci_conn_info {
1056 	__u16    handle;
1057 	bdaddr_t bdaddr;
1058 	__u8     type;
1059 	__u8     out;
1060 	__u16    state;
1061 	__u32    link_mode;
1062 };
1063 
1064 struct hci_dev_req {
1065 	__u16  dev_id;
1066 	__u32  dev_opt;
1067 };
1068 
1069 struct hci_dev_list_req {
1070 	__u16  dev_num;
1071 	struct hci_dev_req dev_req[0];	/* hci_dev_req structures */
1072 };
1073 
1074 struct hci_conn_list_req {
1075 	__u16  dev_id;
1076 	__u16  conn_num;
1077 	struct hci_conn_info conn_info[0];
1078 };
1079 
1080 struct hci_conn_info_req {
1081 	bdaddr_t bdaddr;
1082 	__u8     type;
1083 	struct   hci_conn_info conn_info[0];
1084 };
1085 
1086 struct hci_auth_info_req {
1087 	bdaddr_t bdaddr;
1088 	__u8     type;
1089 };
1090 
1091 struct hci_inquiry_req {
1092 	__u16 dev_id;
1093 	__u16 flags;
1094 	__u8  lap[3];
1095 	__u8  length;
1096 	__u8  num_rsp;
1097 };
1098 #define IREQ_CACHE_FLUSH 0x0001
1099 
1100 #endif /* __HCI_H */
1101