include/net/bluetooth/hci.h

   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 */