xref: /linux/include/net/bluetooth/hci.h (revision 14b42963f64b98ab61fa9723c03d71aa5ef4f862)
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 device types */
47 #define HCI_VHCI	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 
54 /* HCI device quirks */
55 enum {
56 	HCI_QUIRK_RESET_ON_INIT,
57 	HCI_QUIRK_RAW_DEVICE,
58 	HCI_QUIRK_FIXUP_BUFFER_SIZE
59 };
60 
61 /* HCI device flags */
62 enum {
63 	HCI_UP,
64 	HCI_INIT,
65 	HCI_RUNNING,
66 
67 	HCI_PSCAN,
68 	HCI_ISCAN,
69 	HCI_AUTH,
70 	HCI_ENCRYPT,
71 	HCI_INQUIRY,
72 
73 	HCI_RAW,
74 
75 	HCI_SECMGR
76 };
77 
78 /* HCI ioctl defines */
79 #define HCIDEVUP	_IOW('H', 201, int)
80 #define HCIDEVDOWN	_IOW('H', 202, int)
81 #define HCIDEVRESET	_IOW('H', 203, int)
82 #define HCIDEVRESTAT	_IOW('H', 204, int)
83 
84 #define HCIGETDEVLIST	_IOR('H', 210, int)
85 #define HCIGETDEVINFO	_IOR('H', 211, int)
86 #define HCIGETCONNLIST	_IOR('H', 212, int)
87 #define HCIGETCONNINFO	_IOR('H', 213, int)
88 
89 #define HCISETRAW	_IOW('H', 220, int)
90 #define HCISETSCAN	_IOW('H', 221, int)
91 #define HCISETAUTH	_IOW('H', 222, int)
92 #define HCISETENCRYPT	_IOW('H', 223, int)
93 #define HCISETPTYPE	_IOW('H', 224, int)
94 #define HCISETLINKPOL	_IOW('H', 225, int)
95 #define HCISETLINKMODE	_IOW('H', 226, int)
96 #define HCISETACLMTU	_IOW('H', 227, int)
97 #define HCISETSCOMTU	_IOW('H', 228, int)
98 
99 #define HCISETSECMGR	_IOW('H', 230, int)
100 
101 #define HCIINQUIRY	_IOR('H', 240, int)
102 
103 /* HCI timeouts */
104 #define HCI_CONNECT_TIMEOUT	(40000)	/* 40 seconds */
105 #define HCI_DISCONN_TIMEOUT	(2000)	/* 2 seconds */
106 #define HCI_IDLE_TIMEOUT	(6000)	/* 6 seconds */
107 #define HCI_INIT_TIMEOUT	(10000)	/* 10 seconds */
108 
109 /* HCI Packet types */
110 #define HCI_COMMAND_PKT		0x01
111 #define HCI_ACLDATA_PKT		0x02
112 #define HCI_SCODATA_PKT		0x03
113 #define HCI_EVENT_PKT		0x04
114 #define HCI_VENDOR_PKT		0xff
115 
116 /* HCI Packet types */
117 #define HCI_DM1		0x0008
118 #define HCI_DM3		0x0400
119 #define HCI_DM5		0x4000
120 #define HCI_DH1		0x0010
121 #define HCI_DH3		0x0800
122 #define HCI_DH5		0x8000
123 
124 #define HCI_HV1		0x0020
125 #define HCI_HV2		0x0040
126 #define HCI_HV3		0x0080
127 
128 #define SCO_PTYPE_MASK	(HCI_HV1 | HCI_HV2 | HCI_HV3)
129 #define ACL_PTYPE_MASK	(~SCO_PTYPE_MASK)
130 
131 /* ACL flags */
132 #define ACL_CONT		0x01
133 #define ACL_START		0x02
134 #define ACL_ACTIVE_BCAST	0x04
135 #define ACL_PICO_BCAST		0x08
136 
137 /* Baseband links */
138 #define SCO_LINK	0x00
139 #define ACL_LINK	0x01
140 
141 /* LMP features */
142 #define LMP_3SLOT	0x01
143 #define LMP_5SLOT	0x02
144 #define LMP_ENCRYPT	0x04
145 #define LMP_SOFFSET	0x08
146 #define LMP_TACCURACY	0x10
147 #define LMP_RSWITCH	0x20
148 #define LMP_HOLD	0x40
149 #define LMP_SNIFF	0x80
150 
151 #define LMP_PARK	0x01
152 #define LMP_RSSI	0x02
153 #define LMP_QUALITY	0x04
154 #define LMP_SCO		0x08
155 #define LMP_HV2		0x10
156 #define LMP_HV3		0x20
157 #define LMP_ULAW	0x40
158 #define LMP_ALAW	0x80
159 
160 #define LMP_CVSD	0x01
161 #define LMP_PSCHEME	0x02
162 #define LMP_PCONTROL	0x04
163 
164 #define LMP_SNIFF_SUBR	0x02
165 
166 /* Connection modes */
167 #define HCI_CM_ACTIVE	0x0000
168 #define HCI_CM_HOLD	0x0001
169 #define HCI_CM_SNIFF	0x0002
170 #define HCI_CM_PARK	0x0003
171 
172 /* Link policies */
173 #define HCI_LP_RSWITCH	0x0001
174 #define HCI_LP_HOLD	0x0002
175 #define HCI_LP_SNIFF	0x0004
176 #define HCI_LP_PARK	0x0008
177 
178 /* Link modes */
179 #define HCI_LM_ACCEPT	0x8000
180 #define HCI_LM_MASTER	0x0001
181 #define HCI_LM_AUTH	0x0002
182 #define HCI_LM_ENCRYPT	0x0004
183 #define HCI_LM_TRUSTED	0x0008
184 #define HCI_LM_RELIABLE	0x0010
185 #define HCI_LM_SECURE	0x0020
186 
187 /* -----  HCI Commands ---- */
188 /* OGF & OCF values */
189 
190 /* Informational Parameters */
191 #define OGF_INFO_PARAM	0x04
192 
193 #define OCF_READ_LOCAL_VERSION	0x0001
194 struct hci_rp_read_loc_version {
195 	__u8     status;
196 	__u8     hci_ver;
197 	__le16   hci_rev;
198 	__u8     lmp_ver;
199 	__le16   manufacturer;
200 	__le16   lmp_subver;
201 } __attribute__ ((packed));
202 
203 #define OCF_READ_LOCAL_FEATURES	0x0003
204 struct hci_rp_read_local_features {
205 	__u8 status;
206 	__u8 features[8];
207 } __attribute__ ((packed));
208 
209 #define OCF_READ_BUFFER_SIZE	0x0005
210 struct hci_rp_read_buffer_size {
211 	__u8     status;
212 	__le16   acl_mtu;
213 	__u8     sco_mtu;
214 	__le16   acl_max_pkt;
215 	__le16   sco_max_pkt;
216 } __attribute__ ((packed));
217 
218 #define OCF_READ_BD_ADDR	0x0009
219 struct hci_rp_read_bd_addr {
220 	__u8     status;
221 	bdaddr_t bdaddr;
222 } __attribute__ ((packed));
223 
224 /* Host Controller and Baseband */
225 #define OGF_HOST_CTL	0x03
226 #define OCF_RESET		0x0003
227 #define OCF_READ_AUTH_ENABLE	0x001F
228 #define OCF_WRITE_AUTH_ENABLE	0x0020
229 	#define AUTH_DISABLED		0x00
230 	#define AUTH_ENABLED		0x01
231 
232 #define OCF_READ_ENCRYPT_MODE	0x0021
233 #define OCF_WRITE_ENCRYPT_MODE	0x0022
234 	#define ENCRYPT_DISABLED	0x00
235 	#define ENCRYPT_P2P		0x01
236 	#define ENCRYPT_BOTH		0x02
237 
238 #define OCF_WRITE_CA_TIMEOUT  	0x0016
239 #define OCF_WRITE_PG_TIMEOUT  	0x0018
240 
241 #define OCF_WRITE_SCAN_ENABLE 	0x001A
242 	#define SCAN_DISABLED		0x00
243 	#define SCAN_INQUIRY		0x01
244 	#define SCAN_PAGE		0x02
245 
246 #define OCF_SET_EVENT_FLT	0x0005
247 struct hci_cp_set_event_flt {
248 	__u8     flt_type;
249 	__u8     cond_type;
250 	__u8     condition[0];
251 } __attribute__ ((packed));
252 
253 /* Filter types */
254 #define HCI_FLT_CLEAR_ALL	0x00
255 #define HCI_FLT_INQ_RESULT	0x01
256 #define HCI_FLT_CONN_SETUP	0x02
257 
258 /* CONN_SETUP Condition types */
259 #define HCI_CONN_SETUP_ALLOW_ALL	0x00
260 #define HCI_CONN_SETUP_ALLOW_CLASS	0x01
261 #define HCI_CONN_SETUP_ALLOW_BDADDR	0x02
262 
263 /* CONN_SETUP Conditions */
264 #define HCI_CONN_SETUP_AUTO_OFF	0x01
265 #define HCI_CONN_SETUP_AUTO_ON	0x02
266 
267 #define OCF_READ_CLASS_OF_DEV	0x0023
268 struct hci_rp_read_dev_class {
269 	__u8     status;
270 	__u8     dev_class[3];
271 } __attribute__ ((packed));
272 
273 #define OCF_WRITE_CLASS_OF_DEV	0x0024
274 struct hci_cp_write_dev_class {
275 	__u8     dev_class[3];
276 } __attribute__ ((packed));
277 
278 #define OCF_READ_VOICE_SETTING	0x0025
279 struct hci_rp_read_voice_setting {
280 	__u8     status;
281 	__le16   voice_setting;
282 } __attribute__ ((packed));
283 
284 #define OCF_WRITE_VOICE_SETTING	0x0026
285 struct hci_cp_write_voice_setting {
286 	__le16   voice_setting;
287 } __attribute__ ((packed));
288 
289 #define OCF_HOST_BUFFER_SIZE	0x0033
290 struct hci_cp_host_buffer_size {
291 	__le16   acl_mtu;
292 	__u8     sco_mtu;
293 	__le16   acl_max_pkt;
294 	__le16   sco_max_pkt;
295 } __attribute__ ((packed));
296 
297 /* Link Control */
298 #define OGF_LINK_CTL	0x01
299 #define OCF_CREATE_CONN		0x0005
300 struct hci_cp_create_conn {
301 	bdaddr_t bdaddr;
302 	__le16   pkt_type;
303 	__u8     pscan_rep_mode;
304 	__u8     pscan_mode;
305 	__le16   clock_offset;
306 	__u8     role_switch;
307 } __attribute__ ((packed));
308 
309 #define OCF_ACCEPT_CONN_REQ	0x0009
310 struct hci_cp_accept_conn_req {
311 	bdaddr_t bdaddr;
312 	__u8     role;
313 } __attribute__ ((packed));
314 
315 #define OCF_REJECT_CONN_REQ	0x000a
316 struct hci_cp_reject_conn_req {
317 	bdaddr_t bdaddr;
318 	__u8     reason;
319 } __attribute__ ((packed));
320 
321 #define OCF_DISCONNECT	0x0006
322 struct hci_cp_disconnect {
323 	__le16   handle;
324 	__u8     reason;
325 } __attribute__ ((packed));
326 
327 #define OCF_ADD_SCO	0x0007
328 struct hci_cp_add_sco {
329 	__le16   handle;
330 	__le16   pkt_type;
331 } __attribute__ ((packed));
332 
333 #define OCF_INQUIRY		0x0001
334 struct hci_cp_inquiry {
335 	__u8     lap[3];
336 	__u8     length;
337 	__u8     num_rsp;
338 } __attribute__ ((packed));
339 
340 #define OCF_INQUIRY_CANCEL	0x0002
341 
342 #define OCF_LINK_KEY_REPLY	0x000B
343 struct hci_cp_link_key_reply {
344 	bdaddr_t bdaddr;
345 	__u8     link_key[16];
346 } __attribute__ ((packed));
347 
348 #define OCF_LINK_KEY_NEG_REPLY	0x000C
349 struct hci_cp_link_key_neg_reply {
350 	bdaddr_t bdaddr;
351 } __attribute__ ((packed));
352 
353 #define OCF_PIN_CODE_REPLY	0x000D
354 struct hci_cp_pin_code_reply {
355 	bdaddr_t bdaddr;
356 	__u8     pin_len;
357 	__u8     pin_code[16];
358 } __attribute__ ((packed));
359 
360 #define OCF_PIN_CODE_NEG_REPLY	0x000E
361 struct hci_cp_pin_code_neg_reply {
362 	bdaddr_t bdaddr;
363 } __attribute__ ((packed));
364 
365 #define OCF_CHANGE_CONN_PTYPE	0x000F
366 struct hci_cp_change_conn_ptype {
367 	__le16   handle;
368 	__le16   pkt_type;
369 } __attribute__ ((packed));
370 
371 #define OCF_AUTH_REQUESTED	0x0011
372 struct hci_cp_auth_requested {
373 	__le16   handle;
374 } __attribute__ ((packed));
375 
376 #define OCF_SET_CONN_ENCRYPT	0x0013
377 struct hci_cp_set_conn_encrypt {
378 	__le16   handle;
379 	__u8     encrypt;
380 } __attribute__ ((packed));
381 
382 #define OCF_CHANGE_CONN_LINK_KEY 0x0015
383 struct hci_cp_change_conn_link_key {
384 	__le16   handle;
385 } __attribute__ ((packed));
386 
387 #define OCF_READ_REMOTE_FEATURES 0x001B
388 struct hci_cp_read_remote_features {
389 	__le16   handle;
390 } __attribute__ ((packed));
391 
392 #define OCF_READ_REMOTE_VERSION 0x001D
393 struct hci_cp_read_remote_version {
394 	__le16   handle;
395 } __attribute__ ((packed));
396 
397 /* Link Policy */
398 #define OGF_LINK_POLICY	0x02
399 
400 #define OCF_SNIFF_MODE		0x0003
401 struct hci_cp_sniff_mode {
402 	__le16   handle;
403 	__le16   max_interval;
404 	__le16   min_interval;
405 	__le16   attempt;
406 	__le16   timeout;
407 } __attribute__ ((packed));
408 
409 #define OCF_EXIT_SNIFF_MODE	0x0004
410 struct hci_cp_exit_sniff_mode {
411 	__le16   handle;
412 } __attribute__ ((packed));
413 
414 #define OCF_ROLE_DISCOVERY	0x0009
415 struct hci_cp_role_discovery {
416 	__le16   handle;
417 } __attribute__ ((packed));
418 struct hci_rp_role_discovery {
419 	__u8     status;
420 	__le16   handle;
421 	__u8     role;
422 } __attribute__ ((packed));
423 
424 #define OCF_READ_LINK_POLICY	0x000C
425 struct hci_cp_read_link_policy {
426 	__le16   handle;
427 } __attribute__ ((packed));
428 struct hci_rp_read_link_policy {
429 	__u8     status;
430 	__le16   handle;
431 	__le16   policy;
432 } __attribute__ ((packed));
433 
434 #define OCF_SWITCH_ROLE		0x000B
435 struct hci_cp_switch_role {
436 	bdaddr_t bdaddr;
437 	__u8     role;
438 } __attribute__ ((packed));
439 
440 #define OCF_WRITE_LINK_POLICY	0x000D
441 struct hci_cp_write_link_policy {
442 	__le16   handle;
443 	__le16   policy;
444 } __attribute__ ((packed));
445 struct hci_rp_write_link_policy {
446 	__u8     status;
447 	__le16   handle;
448 } __attribute__ ((packed));
449 
450 #define OCF_SNIFF_SUBRATE	0x0011
451 struct hci_cp_sniff_subrate {
452 	__le16   handle;
453 	__le16   max_latency;
454 	__le16   min_remote_timeout;
455 	__le16   min_local_timeout;
456 } __attribute__ ((packed));
457 
458 /* Status params */
459 #define OGF_STATUS_PARAM	0x05
460 
461 /* Testing commands */
462 #define OGF_TESTING_CMD		0x3E
463 
464 /* Vendor specific commands */
465 #define OGF_VENDOR_CMD		0x3F
466 
467 /* ---- HCI Events ---- */
468 #define HCI_EV_INQUIRY_COMPLETE	0x01
469 
470 #define HCI_EV_INQUIRY_RESULT	0x02
471 struct inquiry_info {
472 	bdaddr_t bdaddr;
473 	__u8     pscan_rep_mode;
474 	__u8     pscan_period_mode;
475 	__u8     pscan_mode;
476 	__u8     dev_class[3];
477 	__le16   clock_offset;
478 } __attribute__ ((packed));
479 
480 #define HCI_EV_INQUIRY_RESULT_WITH_RSSI	0x22
481 struct inquiry_info_with_rssi {
482 	bdaddr_t bdaddr;
483 	__u8     pscan_rep_mode;
484 	__u8     pscan_period_mode;
485 	__u8     dev_class[3];
486 	__le16   clock_offset;
487 	__s8     rssi;
488 } __attribute__ ((packed));
489 struct inquiry_info_with_rssi_and_pscan_mode {
490 	bdaddr_t bdaddr;
491 	__u8     pscan_rep_mode;
492 	__u8     pscan_period_mode;
493 	__u8     pscan_mode;
494 	__u8     dev_class[3];
495 	__le16   clock_offset;
496 	__s8     rssi;
497 } __attribute__ ((packed));
498 
499 #define HCI_EV_EXTENDED_INQUIRY_RESULT	0x2F
500 struct extended_inquiry_info {
501 	bdaddr_t bdaddr;
502 	__u8     pscan_rep_mode;
503 	__u8     pscan_period_mode;
504 	__u8     dev_class[3];
505 	__le16   clock_offset;
506 	__s8     rssi;
507 	__u8     data[240];
508 } __attribute__ ((packed));
509 
510 #define HCI_EV_CONN_COMPLETE 	0x03
511 struct hci_ev_conn_complete {
512 	__u8     status;
513 	__le16   handle;
514 	bdaddr_t bdaddr;
515 	__u8     link_type;
516 	__u8     encr_mode;
517 } __attribute__ ((packed));
518 
519 #define HCI_EV_CONN_REQUEST	0x04
520 struct hci_ev_conn_request {
521 	bdaddr_t bdaddr;
522 	__u8     dev_class[3];
523 	__u8     link_type;
524 } __attribute__ ((packed));
525 
526 #define HCI_EV_DISCONN_COMPLETE	0x05
527 struct hci_ev_disconn_complete {
528 	__u8     status;
529 	__le16   handle;
530 	__u8     reason;
531 } __attribute__ ((packed));
532 
533 #define HCI_EV_AUTH_COMPLETE	0x06
534 struct hci_ev_auth_complete {
535 	__u8     status;
536 	__le16   handle;
537 } __attribute__ ((packed));
538 
539 #define HCI_EV_ENCRYPT_CHANGE	0x08
540 struct hci_ev_encrypt_change {
541 	__u8     status;
542 	__le16   handle;
543 	__u8     encrypt;
544 } __attribute__ ((packed));
545 
546 #define HCI_EV_CHANGE_CONN_LINK_KEY_COMPLETE	0x09
547 struct hci_ev_change_conn_link_key_complete {
548 	__u8     status;
549 	__le16   handle;
550 } __attribute__ ((packed));
551 
552 #define HCI_EV_QOS_SETUP_COMPLETE	0x0D
553 struct hci_qos {
554 	__u8     service_type;
555 	__u32    token_rate;
556 	__u32    peak_bandwidth;
557 	__u32    latency;
558 	__u32    delay_variation;
559 } __attribute__ ((packed));
560 struct hci_ev_qos_setup_complete {
561 	__u8     status;
562 	__le16   handle;
563 	struct   hci_qos qos;
564 } __attribute__ ((packed));
565 
566 #define HCI_EV_CMD_COMPLETE 	0x0E
567 struct hci_ev_cmd_complete {
568 	__u8     ncmd;
569 	__le16   opcode;
570 } __attribute__ ((packed));
571 
572 #define HCI_EV_CMD_STATUS 	0x0F
573 struct hci_ev_cmd_status {
574 	__u8     status;
575 	__u8     ncmd;
576 	__le16   opcode;
577 } __attribute__ ((packed));
578 
579 #define HCI_EV_NUM_COMP_PKTS	0x13
580 struct hci_ev_num_comp_pkts {
581 	__u8     num_hndl;
582 	/* variable length part */
583 } __attribute__ ((packed));
584 
585 #define HCI_EV_ROLE_CHANGE	0x12
586 struct hci_ev_role_change {
587 	__u8     status;
588 	bdaddr_t bdaddr;
589 	__u8     role;
590 } __attribute__ ((packed));
591 
592 #define HCI_EV_MODE_CHANGE	0x14
593 struct hci_ev_mode_change {
594 	__u8     status;
595 	__le16   handle;
596 	__u8     mode;
597 	__le16   interval;
598 } __attribute__ ((packed));
599 
600 #define HCI_EV_PIN_CODE_REQ	0x16
601 struct hci_ev_pin_code_req {
602 	bdaddr_t bdaddr;
603 } __attribute__ ((packed));
604 
605 #define HCI_EV_LINK_KEY_REQ	0x17
606 struct hci_ev_link_key_req {
607 	bdaddr_t bdaddr;
608 } __attribute__ ((packed));
609 
610 #define HCI_EV_LINK_KEY_NOTIFY	0x18
611 struct hci_ev_link_key_notify {
612 	bdaddr_t bdaddr;
613 	__u8	 link_key[16];
614 	__u8	 key_type;
615 } __attribute__ ((packed));
616 
617 #define HCI_EV_REMOTE_FEATURES	0x0B
618 struct hci_ev_remote_features {
619 	__u8     status;
620 	__le16   handle;
621 	__u8     features[8];
622 } __attribute__ ((packed));
623 
624 #define HCI_EV_REMOTE_VERSION	0x0C
625 struct hci_ev_remote_version {
626 	__u8     status;
627 	__le16   handle;
628 	__u8     lmp_ver;
629 	__le16   manufacturer;
630 	__le16   lmp_subver;
631 } __attribute__ ((packed));
632 
633 #define HCI_EV_CLOCK_OFFSET	0x01C
634 struct hci_ev_clock_offset {
635 	__u8     status;
636 	__le16   handle;
637 	__le16   clock_offset;
638 } __attribute__ ((packed));
639 
640 #define HCI_EV_PSCAN_REP_MODE	0x20
641 struct hci_ev_pscan_rep_mode {
642 	bdaddr_t bdaddr;
643 	__u8     pscan_rep_mode;
644 } __attribute__ ((packed));
645 
646 #define HCI_EV_SNIFF_SUBRATE	0x2E
647 struct hci_ev_sniff_subrate {
648 	__u8     status;
649 	__le16   handle;
650 	__le16   max_tx_latency;
651 	__le16   max_rx_latency;
652 	__le16   max_remote_timeout;
653 	__le16   max_local_timeout;
654 } __attribute__ ((packed));
655 
656 /* Internal events generated by Bluetooth stack */
657 #define HCI_EV_STACK_INTERNAL	0xFD
658 struct hci_ev_stack_internal {
659 	__u16    type;
660 	__u8     data[0];
661 } __attribute__ ((packed));
662 
663 #define HCI_EV_SI_DEVICE  	0x01
664 struct hci_ev_si_device {
665 	__u16    event;
666 	__u16    dev_id;
667 } __attribute__ ((packed));
668 
669 #define HCI_EV_SI_SECURITY	0x02
670 struct hci_ev_si_security {
671 	__u16    event;
672 	__u16    proto;
673 	__u16    subproto;
674 	__u8     incoming;
675 } __attribute__ ((packed));
676 
677 /* ---- HCI Packet structures ---- */
678 #define HCI_COMMAND_HDR_SIZE 3
679 #define HCI_EVENT_HDR_SIZE   2
680 #define HCI_ACL_HDR_SIZE     4
681 #define HCI_SCO_HDR_SIZE     3
682 
683 struct hci_command_hdr {
684 	__le16 	opcode;		/* OCF & OGF */
685 	__u8 	plen;
686 } __attribute__ ((packed));
687 
688 struct hci_event_hdr {
689 	__u8 	evt;
690 	__u8 	plen;
691 } __attribute__ ((packed));
692 
693 struct hci_acl_hdr {
694 	__le16 	handle;		/* Handle & Flags(PB, BC) */
695 	__le16 	dlen;
696 } __attribute__ ((packed));
697 
698 struct hci_sco_hdr {
699 	__le16 	handle;
700 	__u8 	dlen;
701 } __attribute__ ((packed));
702 
703 /* Command opcode pack/unpack */
704 #define hci_opcode_pack(ogf, ocf)	(__u16) ((ocf & 0x03ff)|(ogf << 10))
705 #define hci_opcode_ogf(op)		(op >> 10)
706 #define hci_opcode_ocf(op)		(op & 0x03ff)
707 
708 /* ACL handle and flags pack/unpack */
709 #define hci_handle_pack(h, f)	(__u16) ((h & 0x0fff)|(f << 12))
710 #define hci_handle(h)		(h & 0x0fff)
711 #define hci_flags(h)		(h >> 12)
712 
713 /* ---- HCI Sockets ---- */
714 
715 /* Socket options */
716 #define HCI_DATA_DIR	1
717 #define HCI_FILTER	2
718 #define HCI_TIME_STAMP	3
719 
720 /* CMSG flags */
721 #define HCI_CMSG_DIR	0x0001
722 #define HCI_CMSG_TSTAMP	0x0002
723 
724 struct sockaddr_hci {
725 	sa_family_t    hci_family;
726 	unsigned short hci_dev;
727 };
728 #define HCI_DEV_NONE	0xffff
729 
730 struct hci_filter {
731 	unsigned long type_mask;
732 	unsigned long event_mask[2];
733 	__u16   opcode;
734 };
735 
736 struct hci_ufilter {
737 	__u32   type_mask;
738 	__u32   event_mask[2];
739 	__u16   opcode;
740 };
741 
742 #define HCI_FLT_TYPE_BITS	31
743 #define HCI_FLT_EVENT_BITS	63
744 #define HCI_FLT_OGF_BITS	63
745 #define HCI_FLT_OCF_BITS	127
746 
747 /* ---- HCI Ioctl requests structures ---- */
748 struct hci_dev_stats {
749 	__u32 err_rx;
750 	__u32 err_tx;
751 	__u32 cmd_tx;
752 	__u32 evt_rx;
753 	__u32 acl_tx;
754 	__u32 acl_rx;
755 	__u32 sco_tx;
756 	__u32 sco_rx;
757 	__u32 byte_rx;
758 	__u32 byte_tx;
759 };
760 
761 struct hci_dev_info {
762 	__u16 dev_id;
763 	char  name[8];
764 
765 	bdaddr_t bdaddr;
766 
767 	__u32 flags;
768 	__u8  type;
769 
770 	__u8  features[8];
771 
772 	__u32 pkt_type;
773 	__u32 link_policy;
774 	__u32 link_mode;
775 
776 	__u16 acl_mtu;
777 	__u16 acl_pkts;
778 	__u16 sco_mtu;
779 	__u16 sco_pkts;
780 
781 	struct hci_dev_stats stat;
782 };
783 
784 struct hci_conn_info {
785 	__u16    handle;
786 	bdaddr_t bdaddr;
787 	__u8	 type;
788 	__u8	 out;
789 	__u16	 state;
790 	__u32	 link_mode;
791 };
792 
793 struct hci_dev_req {
794 	__u16 dev_id;
795 	__u32 dev_opt;
796 };
797 
798 struct hci_dev_list_req {
799 	__u16  dev_num;
800 	struct hci_dev_req dev_req[0];	/* hci_dev_req structures */
801 };
802 
803 struct hci_conn_list_req {
804 	__u16  dev_id;
805 	__u16  conn_num;
806 	struct hci_conn_info conn_info[0];
807 };
808 
809 struct hci_conn_info_req {
810 	bdaddr_t bdaddr;
811 	__u8     type;
812 	struct   hci_conn_info conn_info[0];
813 };
814 
815 struct hci_inquiry_req {
816 	__u16 dev_id;
817 	__u16 flags;
818 	__u8  lap[3];
819 	__u8  length;
820 	__u8  num_rsp;
821 };
822 #define IREQ_CACHE_FLUSH 0x0001
823 
824 #endif /* __HCI_H */
825