xref: /openbmc/linux/include/net/bluetooth/hci.h (revision 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2)
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 };
59 
60 /* HCI device flags */
61 enum {
62 	HCI_UP,
63 	HCI_INIT,
64 	HCI_RUNNING,
65 
66 	HCI_PSCAN,
67 	HCI_ISCAN,
68 	HCI_AUTH,
69 	HCI_ENCRYPT,
70 	HCI_INQUIRY,
71 
72 	HCI_RAW,
73 
74 	HCI_SECMGR
75 };
76 
77 /* HCI ioctl defines */
78 #define HCIDEVUP	_IOW('H', 201, int)
79 #define HCIDEVDOWN	_IOW('H', 202, int)
80 #define HCIDEVRESET	_IOW('H', 203, int)
81 #define HCIDEVRESTAT	_IOW('H', 204, int)
82 
83 #define HCIGETDEVLIST	_IOR('H', 210, int)
84 #define HCIGETDEVINFO	_IOR('H', 211, int)
85 #define HCIGETCONNLIST	_IOR('H', 212, int)
86 #define HCIGETCONNINFO	_IOR('H', 213, int)
87 
88 #define HCISETRAW	_IOW('H', 220, int)
89 #define HCISETSCAN	_IOW('H', 221, int)
90 #define HCISETAUTH	_IOW('H', 222, int)
91 #define HCISETENCRYPT	_IOW('H', 223, int)
92 #define HCISETPTYPE	_IOW('H', 224, int)
93 #define HCISETLINKPOL	_IOW('H', 225, int)
94 #define HCISETLINKMODE	_IOW('H', 226, int)
95 #define HCISETACLMTU	_IOW('H', 227, int)
96 #define HCISETSCOMTU	_IOW('H', 228, int)
97 
98 #define HCISETSECMGR	_IOW('H', 230, int)
99 
100 #define HCIINQUIRY	_IOR('H', 240, int)
101 
102 /* HCI timeouts */
103 #define HCI_CONN_TIMEOUT	(HZ * 40)
104 #define HCI_DISCONN_TIMEOUT	(HZ * 2)
105 #define HCI_CONN_IDLE_TIMEOUT	(HZ * 60)
106 
107 /* HCI Packet types */
108 #define HCI_COMMAND_PKT		0x01
109 #define HCI_ACLDATA_PKT		0x02
110 #define HCI_SCODATA_PKT		0x03
111 #define HCI_EVENT_PKT		0x04
112 #define HCI_VENDOR_PKT		0xff
113 
114 /* HCI Packet types */
115 #define HCI_DM1		0x0008
116 #define HCI_DM3		0x0400
117 #define HCI_DM5		0x4000
118 #define HCI_DH1		0x0010
119 #define HCI_DH3		0x0800
120 #define HCI_DH5		0x8000
121 
122 #define HCI_HV1		0x0020
123 #define HCI_HV2		0x0040
124 #define HCI_HV3		0x0080
125 
126 #define SCO_PTYPE_MASK	(HCI_HV1 | HCI_HV2 | HCI_HV3)
127 #define ACL_PTYPE_MASK	(~SCO_PTYPE_MASK)
128 
129 /* ACL flags */
130 #define ACL_CONT		0x01
131 #define ACL_START		0x02
132 #define ACL_ACTIVE_BCAST	0x04
133 #define ACL_PICO_BCAST		0x08
134 
135 /* Baseband links */
136 #define SCO_LINK	0x00
137 #define ACL_LINK	0x01
138 
139 /* LMP features */
140 #define LMP_3SLOT	0x01
141 #define LMP_5SLOT	0x02
142 #define LMP_ENCRYPT	0x04
143 #define LMP_SOFFSET	0x08
144 #define LMP_TACCURACY	0x10
145 #define LMP_RSWITCH	0x20
146 #define LMP_HOLD	0x40
147 #define LMP_SNIF	0x80
148 
149 #define LMP_PARK	0x01
150 #define LMP_RSSI	0x02
151 #define LMP_QUALITY	0x04
152 #define LMP_SCO		0x08
153 #define LMP_HV2		0x10
154 #define LMP_HV3		0x20
155 #define LMP_ULAW	0x40
156 #define LMP_ALAW	0x80
157 
158 #define LMP_CVSD	0x01
159 #define LMP_PSCHEME	0x02
160 #define LMP_PCONTROL	0x04
161 
162 /* Link policies */
163 #define HCI_LP_RSWITCH	0x0001
164 #define HCI_LP_HOLD	0x0002
165 #define HCI_LP_SNIFF	0x0004
166 #define HCI_LP_PARK	0x0008
167 
168 /* Link mode */
169 #define HCI_LM_ACCEPT	0x8000
170 #define HCI_LM_MASTER	0x0001
171 #define HCI_LM_AUTH	0x0002
172 #define HCI_LM_ENCRYPT	0x0004
173 #define HCI_LM_TRUSTED	0x0008
174 #define HCI_LM_RELIABLE	0x0010
175 #define HCI_LM_SECURE	0x0020
176 
177 /* -----  HCI Commands ---- */
178 /* OGF & OCF values */
179 
180 /* Informational Parameters */
181 #define OGF_INFO_PARAM	0x04
182 
183 #define OCF_READ_LOCAL_VERSION	0x0001
184 struct hci_rp_read_loc_version {
185 	__u8     status;
186 	__u8     hci_ver;
187 	__u16    hci_rev;
188 	__u8     lmp_ver;
189 	__u16    manufacturer;
190 	__u16    lmp_subver;
191 } __attribute__ ((packed));
192 
193 #define OCF_READ_LOCAL_FEATURES	0x0003
194 struct hci_rp_read_loc_features {
195 	__u8 status;
196 	__u8 features[8];
197 } __attribute__ ((packed));
198 
199 #define OCF_READ_BUFFER_SIZE	0x0005
200 struct hci_rp_read_buffer_size {
201 	__u8     status;
202 	__u16    acl_mtu;
203 	__u8     sco_mtu;
204 	__u16    acl_max_pkt;
205 	__u16    sco_max_pkt;
206 } __attribute__ ((packed));
207 
208 #define OCF_READ_BD_ADDR	0x0009
209 struct hci_rp_read_bd_addr {
210 	__u8     status;
211 	bdaddr_t bdaddr;
212 } __attribute__ ((packed));
213 
214 /* Host Controller and Baseband */
215 #define OGF_HOST_CTL	0x03
216 #define OCF_RESET		0x0003
217 #define OCF_READ_AUTH_ENABLE	0x001F
218 #define OCF_WRITE_AUTH_ENABLE	0x0020
219 	#define AUTH_DISABLED		0x00
220 	#define AUTH_ENABLED		0x01
221 
222 #define OCF_READ_ENCRYPT_MODE	0x0021
223 #define OCF_WRITE_ENCRYPT_MODE	0x0022
224 	#define ENCRYPT_DISABLED	0x00
225 	#define ENCRYPT_P2P		0x01
226 	#define ENCRYPT_BOTH		0x02
227 
228 #define OCF_WRITE_CA_TIMEOUT  	0x0016
229 #define OCF_WRITE_PG_TIMEOUT  	0x0018
230 
231 #define OCF_WRITE_SCAN_ENABLE 	0x001A
232 	#define SCAN_DISABLED		0x00
233 	#define SCAN_INQUIRY		0x01
234 	#define SCAN_PAGE		0x02
235 
236 #define OCF_SET_EVENT_FLT	0x0005
237 struct hci_cp_set_event_flt {
238 	__u8     flt_type;
239 	__u8     cond_type;
240 	__u8     condition[0];
241 } __attribute__ ((packed));
242 
243 /* Filter types */
244 #define HCI_FLT_CLEAR_ALL	0x00
245 #define HCI_FLT_INQ_RESULT	0x01
246 #define HCI_FLT_CONN_SETUP	0x02
247 
248 /* CONN_SETUP Condition types */
249 #define HCI_CONN_SETUP_ALLOW_ALL	0x00
250 #define HCI_CONN_SETUP_ALLOW_CLASS	0x01
251 #define HCI_CONN_SETUP_ALLOW_BDADDR	0x02
252 
253 /* CONN_SETUP Conditions */
254 #define HCI_CONN_SETUP_AUTO_OFF	0x01
255 #define HCI_CONN_SETUP_AUTO_ON	0x02
256 
257 #define OCF_READ_CLASS_OF_DEV	0x0023
258 struct hci_rp_read_dev_class {
259 	__u8     status;
260 	__u8     dev_class[3];
261 } __attribute__ ((packed));
262 
263 #define OCF_WRITE_CLASS_OF_DEV	0x0024
264 struct hci_cp_write_dev_class {
265 	__u8     dev_class[3];
266 } __attribute__ ((packed));
267 
268 #define OCF_READ_VOICE_SETTING	0x0025
269 struct hci_rp_read_voice_setting {
270 	__u8	status;
271 	__u16	voice_setting;
272 } __attribute__ ((packed));
273 
274 #define OCF_WRITE_VOICE_SETTING	0x0026
275 struct hci_cp_write_voice_setting {
276 	__u16	voice_setting;
277 } __attribute__ ((packed));
278 
279 #define OCF_HOST_BUFFER_SIZE	0x0033
280 struct hci_cp_host_buffer_size {
281 	__u16    acl_mtu;
282 	__u8     sco_mtu;
283 	__u16    acl_max_pkt;
284 	__u16    sco_max_pkt;
285 } __attribute__ ((packed));
286 
287 /* Link Control */
288 #define OGF_LINK_CTL	0x01
289 #define OCF_CREATE_CONN		0x0005
290 struct hci_cp_create_conn {
291 	bdaddr_t bdaddr;
292 	__u16    pkt_type;
293 	__u8     pscan_rep_mode;
294 	__u8     pscan_mode;
295 	__u16    clock_offset;
296 	__u8     role_switch;
297 } __attribute__ ((packed));
298 
299 #define OCF_ACCEPT_CONN_REQ	0x0009
300 struct hci_cp_accept_conn_req {
301 	bdaddr_t bdaddr;
302 	__u8     role;
303 } __attribute__ ((packed));
304 
305 #define OCF_REJECT_CONN_REQ	0x000a
306 struct hci_cp_reject_conn_req {
307 	bdaddr_t bdaddr;
308 	__u8     reason;
309 } __attribute__ ((packed));
310 
311 #define OCF_DISCONNECT	0x0006
312 struct hci_cp_disconnect {
313 	__u16    handle;
314 	__u8     reason;
315 } __attribute__ ((packed));
316 
317 #define OCF_ADD_SCO	0x0007
318 struct hci_cp_add_sco {
319 	__u16    handle;
320 	__u16    pkt_type;
321 } __attribute__ ((packed));
322 
323 #define OCF_INQUIRY		0x0001
324 struct hci_cp_inquiry {
325 	__u8     lap[3];
326 	__u8     length;
327 	__u8     num_rsp;
328 } __attribute__ ((packed));
329 
330 #define OCF_INQUIRY_CANCEL	0x0002
331 
332 #define OCF_LINK_KEY_REPLY	0x000B
333 struct hci_cp_link_key_reply {
334 	bdaddr_t bdaddr;
335 	__u8     link_key[16];
336 } __attribute__ ((packed));
337 
338 #define OCF_LINK_KEY_NEG_REPLY	0x000C
339 struct hci_cp_link_key_neg_reply {
340 	bdaddr_t bdaddr;
341 } __attribute__ ((packed));
342 
343 #define OCF_PIN_CODE_REPLY	0x000D
344 struct hci_cp_pin_code_reply {
345 	bdaddr_t bdaddr;
346 	__u8     pin_len;
347 	__u8     pin_code[16];
348 } __attribute__ ((packed));
349 
350 #define OCF_PIN_CODE_NEG_REPLY	0x000E
351 struct hci_cp_pin_code_neg_reply {
352 	bdaddr_t bdaddr;
353 } __attribute__ ((packed));
354 
355 #define OCF_CHANGE_CONN_PTYPE	0x000F
356 struct hci_cp_change_conn_ptype {
357 	__u16    handle;
358 	__u16    pkt_type;
359 } __attribute__ ((packed));
360 
361 #define OCF_AUTH_REQUESTED	0x0011
362 struct hci_cp_auth_requested {
363 	__u16    handle;
364 } __attribute__ ((packed));
365 
366 #define OCF_SET_CONN_ENCRYPT	0x0013
367 struct hci_cp_set_conn_encrypt {
368 	__u16    handle;
369 	__u8     encrypt;
370 } __attribute__ ((packed));
371 
372 #define OCF_CHANGE_CONN_LINK_KEY 0x0015
373 struct hci_cp_change_conn_link_key {
374 	__u16    handle;
375 } __attribute__ ((packed));
376 
377 #define OCF_READ_REMOTE_FEATURES 0x001B
378 struct hci_cp_read_rmt_features {
379 	__u16    handle;
380 } __attribute__ ((packed));
381 
382 #define OCF_READ_REMOTE_VERSION 0x001D
383 struct hci_cp_read_rmt_version {
384 	__u16    handle;
385 } __attribute__ ((packed));
386 
387 /* Link Policy */
388 #define OGF_LINK_POLICY	 0x02
389 #define OCF_ROLE_DISCOVERY	0x0009
390 struct hci_cp_role_discovery {
391 	__u16    handle;
392 } __attribute__ ((packed));
393 struct hci_rp_role_discovery {
394 	__u8     status;
395 	__u16    handle;
396 	__u8     role;
397 } __attribute__ ((packed));
398 
399 #define OCF_READ_LINK_POLICY	0x000C
400 struct hci_cp_read_link_policy {
401 	__u16    handle;
402 } __attribute__ ((packed));
403 struct hci_rp_read_link_policy {
404 	__u8     status;
405 	__u16    handle;
406 	__u16    policy;
407 } __attribute__ ((packed));
408 
409 #define OCF_SWITCH_ROLE	0x000B
410 struct hci_cp_switch_role {
411 	bdaddr_t bdaddr;
412 	__u8     role;
413 } __attribute__ ((packed));
414 
415 #define OCF_WRITE_LINK_POLICY	0x000D
416 struct hci_cp_write_link_policy {
417 	__u16    handle;
418 	__u16    policy;
419 } __attribute__ ((packed));
420 struct hci_rp_write_link_policy {
421 	__u8     status;
422 	__u16    handle;
423 } __attribute__ ((packed));
424 
425 /* Status params */
426 #define OGF_STATUS_PARAM	0x05
427 
428 /* Testing commands */
429 #define OGF_TESTING_CMD		0x3E
430 
431 /* Vendor specific commands */
432 #define OGF_VENDOR_CMD		0x3F
433 
434 /* ---- HCI Events ---- */
435 #define HCI_EV_INQUIRY_COMPLETE	0x01
436 
437 #define HCI_EV_INQUIRY_RESULT	0x02
438 struct inquiry_info {
439 	bdaddr_t bdaddr;
440 	__u8     pscan_rep_mode;
441 	__u8     pscan_period_mode;
442 	__u8     pscan_mode;
443 	__u8     dev_class[3];
444 	__u16    clock_offset;
445 } __attribute__ ((packed));
446 
447 #define HCI_EV_INQUIRY_RESULT_WITH_RSSI	0x22
448 struct inquiry_info_with_rssi {
449 	bdaddr_t bdaddr;
450 	__u8     pscan_rep_mode;
451 	__u8     pscan_period_mode;
452 	__u8     dev_class[3];
453 	__u16    clock_offset;
454 	__s8     rssi;
455 } __attribute__ ((packed));
456 
457 #define HCI_EV_CONN_COMPLETE 	0x03
458 struct hci_ev_conn_complete {
459 	__u8     status;
460 	__u16    handle;
461 	bdaddr_t bdaddr;
462 	__u8     link_type;
463 	__u8     encr_mode;
464 } __attribute__ ((packed));
465 
466 #define HCI_EV_CONN_REQUEST	0x04
467 struct hci_ev_conn_request {
468 	bdaddr_t bdaddr;
469 	__u8     dev_class[3];
470 	__u8     link_type;
471 } __attribute__ ((packed));
472 
473 #define HCI_EV_DISCONN_COMPLETE	0x05
474 struct hci_ev_disconn_complete {
475 	__u8     status;
476 	__u16    handle;
477 	__u8     reason;
478 } __attribute__ ((packed));
479 
480 #define HCI_EV_AUTH_COMPLETE	0x06
481 struct hci_ev_auth_complete {
482 	__u8     status;
483 	__u16    handle;
484 } __attribute__ ((packed));
485 
486 #define HCI_EV_ENCRYPT_CHANGE	0x08
487 struct hci_ev_encrypt_change {
488 	__u8     status;
489 	__u16    handle;
490 	__u8     encrypt;
491 } __attribute__ ((packed));
492 
493 #define HCI_EV_CHANGE_CONN_LINK_KEY_COMPLETE	0x09
494 struct hci_ev_change_conn_link_key_complete {
495 	__u8     status;
496 	__u16    handle;
497 } __attribute__ ((packed));
498 
499 #define HCI_EV_QOS_SETUP_COMPLETE	0x0D
500 struct hci_qos {
501 	__u8     service_type;
502 	__u32    token_rate;
503 	__u32    peak_bandwidth;
504 	__u32    latency;
505 	__u32    delay_variation;
506 } __attribute__ ((packed));
507 struct hci_ev_qos_setup_complete {
508 	__u8     status;
509 	__u16    handle;
510 	struct   hci_qos qos;
511 } __attribute__ ((packed));
512 
513 #define HCI_EV_CMD_COMPLETE 	0x0E
514 struct hci_ev_cmd_complete {
515 	__u8     ncmd;
516 	__u16    opcode;
517 } __attribute__ ((packed));
518 
519 #define HCI_EV_CMD_STATUS 	0x0F
520 struct hci_ev_cmd_status {
521 	__u8     status;
522 	__u8     ncmd;
523 	__u16    opcode;
524 } __attribute__ ((packed));
525 
526 #define HCI_EV_NUM_COMP_PKTS	0x13
527 struct hci_ev_num_comp_pkts {
528 	__u8     num_hndl;
529 	/* variable length part */
530 } __attribute__ ((packed));
531 
532 #define HCI_EV_ROLE_CHANGE	0x12
533 struct hci_ev_role_change {
534 	__u8     status;
535 	bdaddr_t bdaddr;
536 	__u8     role;
537 } __attribute__ ((packed));
538 
539 #define HCI_EV_MODE_CHANGE	0x14
540 struct hci_ev_mode_change {
541 	__u8     status;
542 	__u16    handle;
543 	__u8     mode;
544 	__u16    interval;
545 } __attribute__ ((packed));
546 
547 #define HCI_EV_PIN_CODE_REQ	0x16
548 struct hci_ev_pin_code_req {
549 	bdaddr_t bdaddr;
550 } __attribute__ ((packed));
551 
552 #define HCI_EV_LINK_KEY_REQ	0x17
553 struct hci_ev_link_key_req {
554 	bdaddr_t bdaddr;
555 } __attribute__ ((packed));
556 
557 #define HCI_EV_LINK_KEY_NOTIFY	0x18
558 struct hci_ev_link_key_notify {
559 	bdaddr_t bdaddr;
560 	__u8	 link_key[16];
561 	__u8	 key_type;
562 } __attribute__ ((packed));
563 
564 #define HCI_EV_RMT_FEATURES	0x0B
565 struct hci_ev_rmt_features {
566 	__u8     status;
567 	__u16    handle;
568 	__u8     features[8];
569 } __attribute__ ((packed));
570 
571 #define HCI_EV_RMT_VERSION	0x0C
572 struct hci_ev_rmt_version {
573 	__u8     status;
574 	__u16    handle;
575 	__u8     lmp_ver;
576 	__u16    manufacturer;
577 	__u16    lmp_subver;
578 } __attribute__ ((packed));
579 
580 #define HCI_EV_CLOCK_OFFSET	0x01C
581 struct hci_ev_clock_offset {
582 	__u8     status;
583 	__u16    handle;
584 	__u16    clock_offset;
585 } __attribute__ ((packed));
586 
587 /* Internal events generated by Bluetooth stack */
588 #define HCI_EV_STACK_INTERNAL	0xFD
589 struct hci_ev_stack_internal {
590 	__u16    type;
591 	__u8     data[0];
592 } __attribute__ ((packed));
593 
594 #define HCI_EV_SI_DEVICE  	0x01
595 struct hci_ev_si_device {
596 	__u16    event;
597 	__u16    dev_id;
598 } __attribute__ ((packed));
599 
600 #define HCI_EV_SI_SECURITY	0x02
601 struct hci_ev_si_security {
602 	__u16    event;
603 	__u16    proto;
604 	__u16    subproto;
605 	__u8     incoming;
606 } __attribute__ ((packed));
607 
608 /* ---- HCI Packet structures ---- */
609 #define HCI_COMMAND_HDR_SIZE 3
610 #define HCI_EVENT_HDR_SIZE   2
611 #define HCI_ACL_HDR_SIZE     4
612 #define HCI_SCO_HDR_SIZE     3
613 
614 struct hci_command_hdr {
615 	__u16 	opcode;		/* OCF & OGF */
616 	__u8 	plen;
617 } __attribute__ ((packed));
618 
619 struct hci_event_hdr {
620 	__u8 	evt;
621 	__u8 	plen;
622 } __attribute__ ((packed));
623 
624 struct hci_acl_hdr {
625 	__u16 	handle;		/* Handle & Flags(PB, BC) */
626 	__u16 	dlen;
627 } __attribute__ ((packed));
628 
629 struct hci_sco_hdr {
630 	__u16 	handle;
631 	__u8 	dlen;
632 } __attribute__ ((packed));
633 
634 /* Command opcode pack/unpack */
635 #define hci_opcode_pack(ogf, ocf)	(__u16)((ocf & 0x03ff)|(ogf << 10))
636 #define hci_opcode_ogf(op)		(op >> 10)
637 #define hci_opcode_ocf(op)		(op & 0x03ff)
638 
639 /* ACL handle and flags pack/unpack */
640 #define hci_handle_pack(h, f)	(__u16)((h & 0x0fff)|(f << 12))
641 #define hci_handle(h)		(h & 0x0fff)
642 #define hci_flags(h)		(h >> 12)
643 
644 /* ---- HCI Sockets ---- */
645 
646 /* Socket options */
647 #define HCI_DATA_DIR	1
648 #define HCI_FILTER	2
649 #define HCI_TIME_STAMP	3
650 
651 /* CMSG flags */
652 #define HCI_CMSG_DIR	0x0001
653 #define HCI_CMSG_TSTAMP	0x0002
654 
655 struct sockaddr_hci {
656 	sa_family_t    hci_family;
657 	unsigned short hci_dev;
658 };
659 #define HCI_DEV_NONE	0xffff
660 
661 struct hci_filter {
662 	unsigned long type_mask;
663 	unsigned long event_mask[2];
664 	__u16   opcode;
665 };
666 
667 struct hci_ufilter {
668 	__u32   type_mask;
669 	__u32   event_mask[2];
670 	__u16   opcode;
671 };
672 
673 #define HCI_FLT_TYPE_BITS	31
674 #define HCI_FLT_EVENT_BITS	63
675 #define HCI_FLT_OGF_BITS	63
676 #define HCI_FLT_OCF_BITS	127
677 
678 /* ---- HCI Ioctl requests structures ---- */
679 struct hci_dev_stats {
680 	__u32 err_rx;
681 	__u32 err_tx;
682 	__u32 cmd_tx;
683 	__u32 evt_rx;
684 	__u32 acl_tx;
685 	__u32 acl_rx;
686 	__u32 sco_tx;
687 	__u32 sco_rx;
688 	__u32 byte_rx;
689 	__u32 byte_tx;
690 };
691 
692 struct hci_dev_info {
693 	__u16 dev_id;
694 	char  name[8];
695 
696 	bdaddr_t bdaddr;
697 
698 	__u32 flags;
699 	__u8  type;
700 
701 	__u8  features[8];
702 
703 	__u32 pkt_type;
704 	__u32 link_policy;
705 	__u32 link_mode;
706 
707 	__u16 acl_mtu;
708 	__u16 acl_pkts;
709 	__u16 sco_mtu;
710 	__u16 sco_pkts;
711 
712 	struct hci_dev_stats stat;
713 };
714 
715 struct hci_conn_info {
716 	__u16    handle;
717 	bdaddr_t bdaddr;
718 	__u8	 type;
719 	__u8	 out;
720 	__u16	 state;
721 	__u32	 link_mode;
722 };
723 
724 struct hci_dev_req {
725 	__u16 dev_id;
726 	__u32 dev_opt;
727 };
728 
729 struct hci_dev_list_req {
730 	__u16  dev_num;
731 	struct hci_dev_req dev_req[0];	/* hci_dev_req structures */
732 };
733 
734 struct hci_conn_list_req {
735 	__u16  dev_id;
736 	__u16  conn_num;
737 	struct hci_conn_info conn_info[0];
738 };
739 
740 struct hci_conn_info_req {
741 	bdaddr_t bdaddr;
742 	__u8     type;
743 	struct   hci_conn_info conn_info[0];
744 };
745 
746 struct hci_inquiry_req {
747 	__u16 dev_id;
748 	__u16 flags;
749 	__u8  lap[3];
750 	__u8  length;
751 	__u8  num_rsp;
752 };
753 #define IREQ_CACHE_FLUSH 0x0001
754 
755 #endif /* __HCI_H */
756