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_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 device quirks */
  56 enum {
  57         HCI_QUIRK_RESET_ON_INIT,
  58         HCI_QUIRK_RAW_DEVICE,
  59         HCI_QUIRK_FIXUP_BUFFER_SIZE
  60 };
  61
  62 /* HCI device flags */
  63 enum {
  64         HCI_UP,
  65         HCI_INIT,
  66         HCI_RUNNING,
  67
  68         HCI_PSCAN,
  69         HCI_ISCAN,
  70         HCI_AUTH,
  71         HCI_ENCRYPT,
  72         HCI_INQUIRY,
  73
  74         HCI_RAW,
  75
  76         HCI_SECMGR
  77 };
  78
  79 /* HCI ioctl defines */
  80 #define HCIDEVUP        _IOW('H', 201, int)
  81 #define HCIDEVDOWN      _IOW('H', 202, int)
  82 #define HCIDEVRESET     _IOW('H', 203, int)
  83 #define HCIDEVRESTAT    _IOW('H', 204, int)
  84
  85 #define HCIGETDEVLIST   _IOR('H', 210, int)
  86 #define HCIGETDEVINFO   _IOR('H', 211, int)
  87 #define HCIGETCONNLIST  _IOR('H', 212, int)
  88 #define HCIGETCONNINFO  _IOR('H', 213, int)
  89
  90 #define HCISETRAW       _IOW('H', 220, int)
  91 #define HCISETSCAN      _IOW('H', 221, int)
  92 #define HCISETAUTH      _IOW('H', 222, int)
  93 #define HCISETENCRYPT   _IOW('H', 223, int)
  94 #define HCISETPTYPE     _IOW('H', 224, int)
  95 #define HCISETLINKPOL   _IOW('H', 225, int)
  96 #define HCISETLINKMODE  _IOW('H', 226, int)
  97 #define HCISETACLMTU    _IOW('H', 227, int)
  98 #define HCISETSCOMTU    _IOW('H', 228, int)
  99
 100 #define HCISETSECMGR    _IOW('H', 230, int)
 101
 102 #define HCIINQUIRY      _IOR('H', 240, int)
 103
 104 /* HCI timeouts */
 105 #define HCI_CONNECT_TIMEOUT     (40000) /* 40 seconds */
 106 #define HCI_DISCONN_TIMEOUT     (2000)  /* 2 seconds */
 107 #define HCI_IDLE_TIMEOUT        (6000)  /* 6 seconds */
 108 #define HCI_INIT_TIMEOUT        (10000) /* 10 seconds */
 109
 110 /* HCI Packet types */
 111 #define HCI_COMMAND_PKT         0x01
 112 #define HCI_ACLDATA_PKT         0x02
 113 #define HCI_SCODATA_PKT         0x03
 114 #define HCI_EVENT_PKT           0x04
 115 #define HCI_VENDOR_PKT          0xff
 116
 117 /* HCI Packet types */
 118 #define HCI_DM1         0x0008
 119 #define HCI_DM3         0x0400
 120 #define HCI_DM5         0x4000
 121 #define HCI_DH1         0x0010
 122 #define HCI_DH3         0x0800
 123 #define HCI_DH5         0x8000
 124
 125 #define HCI_HV1         0x0020
 126 #define HCI_HV2         0x0040
 127 #define HCI_HV3         0x0080
 128
 129 #define SCO_PTYPE_MASK  (HCI_HV1 | HCI_HV2 | HCI_HV3)
 130 #define ACL_PTYPE_MASK  (~SCO_PTYPE_MASK)
 131
 132 /* ACL flags */
 133 #define ACL_CONT                0x01
 134 #define ACL_START               0x02
 135 #define ACL_ACTIVE_BCAST        0x04
 136 #define ACL_PICO_BCAST          0x08
 137
 138 /* Baseband links */
 139 #define SCO_LINK        0x00
 140 #define ACL_LINK        0x01
 141
 142 /* LMP features */
 143 #define LMP_3SLOT       0x01
 144 #define LMP_5SLOT       0x02
 145 #define LMP_ENCRYPT     0x04
 146 #define LMP_SOFFSET     0x08
 147 #define LMP_TACCURACY   0x10
 148 #define LMP_RSWITCH     0x20
 149 #define LMP_HOLD        0x40
 150 #define LMP_SNIFF       0x80
 151
 152 #define LMP_PARK        0x01
 153 #define LMP_RSSI        0x02
 154 #define LMP_QUALITY     0x04
 155 #define LMP_SCO         0x08
 156 #define LMP_HV2         0x10
 157 #define LMP_HV3         0x20
 158 #define LMP_ULAW        0x40
 159 #define LMP_ALAW        0x80
 160
 161 #define LMP_CVSD        0x01
 162 #define LMP_PSCHEME     0x02
 163 #define LMP_PCONTROL    0x04
 164
 165 #define LMP_SNIFF_SUBR  0x02
 166
 167 /* Connection modes */
 168 #define HCI_CM_ACTIVE   0x0000
 169 #define HCI_CM_HOLD     0x0001
 170 #define HCI_CM_SNIFF    0x0002
 171 #define HCI_CM_PARK     0x0003
 172
 173 /* Link policies */
 174 #define HCI_LP_RSWITCH  0x0001
 175 #define HCI_LP_HOLD     0x0002
 176 #define HCI_LP_SNIFF    0x0004
 177 #define HCI_LP_PARK     0x0008
 178
 179 /* Link modes */
 180 #define HCI_LM_ACCEPT   0x8000
 181 #define HCI_LM_MASTER   0x0001
 182 #define HCI_LM_AUTH     0x0002
 183 #define HCI_LM_ENCRYPT  0x0004
 184 #define HCI_LM_TRUSTED  0x0008
 185 #define HCI_LM_RELIABLE 0x0010
 186 #define HCI_LM_SECURE   0x0020
 187
 188 /* -----  HCI Commands ---- */
 189 /* OGF & OCF values */
 190
 191 /* Informational Parameters */
 192 #define OGF_INFO_PARAM  0x04
 193
 194 #define OCF_READ_LOCAL_VERSION  0x0001
 195 struct hci_rp_read_loc_version {
 196         __u8     status;
 197         __u8     hci_ver;
 198         __le16   hci_rev;
 199         __u8     lmp_ver;
 200         __le16   manufacturer;
 201         __le16   lmp_subver;
 202 } __attribute__ ((packed));
 203
 204 #define OCF_READ_LOCAL_FEATURES 0x0003
 205 struct hci_rp_read_local_features {
 206         __u8 status;
 207         __u8 features[8];
 208 } __attribute__ ((packed));
 209
 210 #define OCF_READ_BUFFER_SIZE    0x0005
 211 struct hci_rp_read_buffer_size {
 212         __u8     status;
 213         __le16   acl_mtu;
 214         __u8     sco_mtu;
 215         __le16   acl_max_pkt;
 216         __le16   sco_max_pkt;
 217 } __attribute__ ((packed));
 218
 219 #define OCF_READ_BD_ADDR        0x0009
 220 struct hci_rp_read_bd_addr {
 221         __u8     status;
 222         bdaddr_t bdaddr;
 223 } __attribute__ ((packed));
 224
 225 /* Host Controller and Baseband */
 226 #define OGF_HOST_CTL    0x03
 227 #define OCF_RESET               0x0003
 228 #define OCF_READ_AUTH_ENABLE    0x001F
 229 #define OCF_WRITE_AUTH_ENABLE   0x0020
 230         #define AUTH_DISABLED           0x00
 231         #define AUTH_ENABLED            0x01
 232
 233 #define OCF_READ_ENCRYPT_MODE   0x0021
 234 #define OCF_WRITE_ENCRYPT_MODE  0x0022
 235         #define ENCRYPT_DISABLED        0x00
 236         #define ENCRYPT_P2P             0x01
 237         #define ENCRYPT_BOTH            0x02
 238
 239 #define OCF_WRITE_CA_TIMEOUT    0x0016
 240 #define OCF_WRITE_PG_TIMEOUT    0x0018
 241
 242 #define OCF_WRITE_SCAN_ENABLE   0x001A
 243         #define SCAN_DISABLED           0x00
 244         #define SCAN_INQUIRY            0x01
 245         #define SCAN_PAGE               0x02
 246
 247 #define OCF_SET_EVENT_FLT       0x0005
 248 struct hci_cp_set_event_flt {
 249         __u8     flt_type;
 250         __u8     cond_type;
 251         __u8     condition[0];
 252 } __attribute__ ((packed));
 253
 254 /* Filter types */
 255 #define HCI_FLT_CLEAR_ALL       0x00
 256 #define HCI_FLT_INQ_RESULT      0x01
 257 #define HCI_FLT_CONN_SETUP      0x02
 258
 259 /* CONN_SETUP Condition types */
 260 #define HCI_CONN_SETUP_ALLOW_ALL        0x00
 261 #define HCI_CONN_SETUP_ALLOW_CLASS      0x01
 262 #define HCI_CONN_SETUP_ALLOW_BDADDR     0x02
 263
 264 /* CONN_SETUP Conditions */
 265 #define HCI_CONN_SETUP_AUTO_OFF 0x01
 266 #define HCI_CONN_SETUP_AUTO_ON  0x02
 267
 268 #define OCF_READ_CLASS_OF_DEV   0x0023
 269 struct hci_rp_read_dev_class {
 270         __u8     status;
 271         __u8     dev_class[3];
 272 } __attribute__ ((packed));
 273
 274 #define OCF_WRITE_CLASS_OF_DEV  0x0024
 275 struct hci_cp_write_dev_class {
 276         __u8     dev_class[3];
 277 } __attribute__ ((packed));
 278
 279 #define OCF_READ_VOICE_SETTING  0x0025
 280 struct hci_rp_read_voice_setting {
 281         __u8     status;
 282         __le16   voice_setting;
 283 } __attribute__ ((packed));
 284
 285 #define OCF_WRITE_VOICE_SETTING 0x0026
 286 struct hci_cp_write_voice_setting {
 287         __le16   voice_setting;
 288 } __attribute__ ((packed));
 289
 290 #define OCF_HOST_BUFFER_SIZE    0x0033
 291 struct hci_cp_host_buffer_size {
 292         __le16   acl_mtu;
 293         __u8     sco_mtu;
 294         __le16   acl_max_pkt;
 295         __le16   sco_max_pkt;
 296 } __attribute__ ((packed));
 297
 298 /* Link Control */
 299 #define OGF_LINK_CTL    0x01
 300
 301 #define OCF_CREATE_CONN         0x0005
 302 struct hci_cp_create_conn {
 303         bdaddr_t bdaddr;
 304         __le16   pkt_type;
 305         __u8     pscan_rep_mode;
 306         __u8     pscan_mode;
 307         __le16   clock_offset;
 308         __u8     role_switch;
 309 } __attribute__ ((packed));
 310
 311 #define OCF_CREATE_CONN_CANCEL  0x0008
 312 struct hci_cp_create_conn_cancel {
 313         bdaddr_t bdaddr;
 314 } __attribute__ ((packed));
 315
 316 #define OCF_ACCEPT_CONN_REQ     0x0009
 317 struct hci_cp_accept_conn_req {
 318         bdaddr_t bdaddr;
 319         __u8     role;
 320 } __attribute__ ((packed));
 321
 322 #define OCF_REJECT_CONN_REQ     0x000a
 323 struct hci_cp_reject_conn_req {
 324         bdaddr_t bdaddr;
 325         __u8     reason;
 326 } __attribute__ ((packed));
 327
 328 #define OCF_DISCONNECT  0x0006
 329 struct hci_cp_disconnect {
 330         __le16   handle;
 331         __u8     reason;
 332 } __attribute__ ((packed));
 333
 334 #define OCF_ADD_SCO     0x0007
 335 struct hci_cp_add_sco {
 336         __le16   handle;
 337         __le16   pkt_type;
 338 } __attribute__ ((packed));
 339
 340 #define OCF_INQUIRY             0x0001
 341 struct hci_cp_inquiry {
 342         __u8     lap[3];
 343         __u8     length;
 344         __u8     num_rsp;
 345 } __attribute__ ((packed));
 346
 347 #define OCF_INQUIRY_CANCEL      0x0002
 348
 349 #define OCF_EXIT_PERIODIC_INQ   0x0004
 350
 351 #define OCF_LINK_KEY_REPLY      0x000B
 352 struct hci_cp_link_key_reply {
 353         bdaddr_t bdaddr;
 354         __u8     link_key[16];
 355 } __attribute__ ((packed));
 356
 357 #define OCF_LINK_KEY_NEG_REPLY  0x000C
 358 struct hci_cp_link_key_neg_reply {
 359         bdaddr_t bdaddr;
 360 } __attribute__ ((packed));
 361
 362 #define OCF_PIN_CODE_REPLY      0x000D
 363 struct hci_cp_pin_code_reply {
 364         bdaddr_t bdaddr;
 365         __u8     pin_len;
 366         __u8     pin_code[16];
 367 } __attribute__ ((packed));
 368
 369 #define OCF_PIN_CODE_NEG_REPLY  0x000E
 370 struct hci_cp_pin_code_neg_reply {
 371         bdaddr_t bdaddr;
 372 } __attribute__ ((packed));
 373
 374 #define OCF_CHANGE_CONN_PTYPE   0x000F
 375 struct hci_cp_change_conn_ptype {
 376         __le16   handle;
 377         __le16   pkt_type;
 378 } __attribute__ ((packed));
 379
 380 #define OCF_AUTH_REQUESTED      0x0011
 381 struct hci_cp_auth_requested {
 382         __le16   handle;
 383 } __attribute__ ((packed));
 384
 385 #define OCF_SET_CONN_ENCRYPT    0x0013
 386 struct hci_cp_set_conn_encrypt {
 387         __le16   handle;
 388         __u8     encrypt;
 389 } __attribute__ ((packed));
 390
 391 #define OCF_CHANGE_CONN_LINK_KEY 0x0015
 392 struct hci_cp_change_conn_link_key {
 393         __le16   handle;
 394 } __attribute__ ((packed));
 395
 396 #define OCF_READ_REMOTE_FEATURES 0x001B
 397 struct hci_cp_read_remote_features {
 398         __le16   handle;
 399 } __attribute__ ((packed));
 400
 401 #define OCF_READ_REMOTE_VERSION 0x001D
 402 struct hci_cp_read_remote_version {
 403         __le16   handle;
 404 } __attribute__ ((packed));
 405
 406 /* Link Policy */
 407 #define OGF_LINK_POLICY 0x02
 408
 409 #define OCF_SNIFF_MODE          0x0003
 410 struct hci_cp_sniff_mode {
 411         __le16   handle;
 412         __le16   max_interval;
 413         __le16   min_interval;
 414         __le16   attempt;
 415         __le16   timeout;
 416 } __attribute__ ((packed));
 417
 418 #define OCF_EXIT_SNIFF_MODE     0x0004
 419 struct hci_cp_exit_sniff_mode {
 420         __le16   handle;
 421 } __attribute__ ((packed));
 422
 423 #define OCF_ROLE_DISCOVERY      0x0009
 424 struct hci_cp_role_discovery {
 425         __le16   handle;
 426 } __attribute__ ((packed));
 427 struct hci_rp_role_discovery {
 428         __u8     status;
 429         __le16   handle;
 430         __u8     role;
 431 } __attribute__ ((packed));
 432
 433 #define OCF_READ_LINK_POLICY    0x000C
 434 struct hci_cp_read_link_policy {
 435         __le16   handle;
 436 } __attribute__ ((packed));
 437 struct hci_rp_read_link_policy {
 438         __u8     status;
 439         __le16   handle;
 440         __le16   policy;
 441 } __attribute__ ((packed));
 442
 443 #define OCF_SWITCH_ROLE         0x000B
 444 struct hci_cp_switch_role {
 445         bdaddr_t bdaddr;
 446         __u8     role;
 447 } __attribute__ ((packed));
 448
 449 #define OCF_WRITE_LINK_POLICY   0x000D
 450 struct hci_cp_write_link_policy {
 451         __le16   handle;
 452         __le16   policy;
 453 } __attribute__ ((packed));
 454 struct hci_rp_write_link_policy {
 455         __u8     status;
 456         __le16   handle;
 457 } __attribute__ ((packed));
 458
 459 #define OCF_SNIFF_SUBRATE       0x0011
 460 struct hci_cp_sniff_subrate {
 461         __le16   handle;
 462         __le16   max_latency;
 463         __le16   min_remote_timeout;
 464         __le16   min_local_timeout;
 465 } __attribute__ ((packed));
 466
 467 /* Status params */
 468 #define OGF_STATUS_PARAM        0x05
 469
 470 /* Testing commands */
 471 #define OGF_TESTING_CMD         0x3E
 472
 473 /* Vendor specific commands */
 474 #define OGF_VENDOR_CMD          0x3F
 475
 476 /* ---- HCI Events ---- */
 477 #define HCI_EV_INQUIRY_COMPLETE 0x01
 478
 479 #define HCI_EV_INQUIRY_RESULT   0x02
 480 struct inquiry_info {
 481         bdaddr_t bdaddr;
 482         __u8     pscan_rep_mode;
 483         __u8     pscan_period_mode;
 484         __u8     pscan_mode;
 485         __u8     dev_class[3];
 486         __le16   clock_offset;
 487 } __attribute__ ((packed));
 488
 489 #define HCI_EV_INQUIRY_RESULT_WITH_RSSI 0x22
 490 struct inquiry_info_with_rssi {
 491         bdaddr_t bdaddr;
 492         __u8     pscan_rep_mode;
 493         __u8     pscan_period_mode;
 494         __u8     dev_class[3];
 495         __le16   clock_offset;
 496         __s8     rssi;
 497 } __attribute__ ((packed));
 498 struct inquiry_info_with_rssi_and_pscan_mode {
 499         bdaddr_t bdaddr;
 500         __u8     pscan_rep_mode;
 501         __u8     pscan_period_mode;
 502         __u8     pscan_mode;
 503         __u8     dev_class[3];
 504         __le16   clock_offset;
 505         __s8     rssi;
 506 } __attribute__ ((packed));
 507
 508 #define HCI_EV_EXTENDED_INQUIRY_RESULT  0x2F
 509 struct extended_inquiry_info {
 510         bdaddr_t bdaddr;
 511         __u8     pscan_rep_mode;
 512         __u8     pscan_period_mode;
 513         __u8     dev_class[3];
 514         __le16   clock_offset;
 515         __s8     rssi;
 516         __u8     data[240];
 517 } __attribute__ ((packed));
 518
 519 #define HCI_EV_CONN_COMPLETE    0x03
 520 struct hci_ev_conn_complete {
 521         __u8     status;
 522         __le16   handle;
 523         bdaddr_t bdaddr;
 524         __u8     link_type;
 525         __u8     encr_mode;
 526 } __attribute__ ((packed));
 527
 528 #define HCI_EV_CONN_REQUEST     0x04
 529 struct hci_ev_conn_request {
 530         bdaddr_t bdaddr;
 531         __u8     dev_class[3];
 532         __u8     link_type;
 533 } __attribute__ ((packed));
 534
 535 #define HCI_EV_DISCONN_COMPLETE 0x05
 536 struct hci_ev_disconn_complete {
 537         __u8     status;
 538         __le16   handle;
 539         __u8     reason;
 540 } __attribute__ ((packed));
 541
 542 #define HCI_EV_AUTH_COMPLETE    0x06
 543 struct hci_ev_auth_complete {
 544         __u8     status;
 545         __le16   handle;
 546 } __attribute__ ((packed));
 547
 548 #define HCI_EV_ENCRYPT_CHANGE   0x08
 549 struct hci_ev_encrypt_change {
 550         __u8     status;
 551         __le16   handle;
 552         __u8     encrypt;
 553 } __attribute__ ((packed));
 554
 555 #define HCI_EV_CHANGE_CONN_LINK_KEY_COMPLETE    0x09
 556 struct hci_ev_change_conn_link_key_complete {
 557         __u8     status;
 558         __le16   handle;
 559 } __attribute__ ((packed));
 560
 561 #define HCI_EV_QOS_SETUP_COMPLETE       0x0D
 562 struct hci_qos {
 563         __u8     service_type;
 564         __u32    token_rate;
 565         __u32    peak_bandwidth;
 566         __u32    latency;
 567         __u32    delay_variation;
 568 } __attribute__ ((packed));
 569 struct hci_ev_qos_setup_complete {
 570         __u8     status;
 571         __le16   handle;
 572         struct   hci_qos qos;
 573 } __attribute__ ((packed));
 574
 575 #define HCI_EV_CMD_COMPLETE     0x0E
 576 struct hci_ev_cmd_complete {
 577         __u8     ncmd;
 578         __le16   opcode;
 579 } __attribute__ ((packed));
 580
 581 #define HCI_EV_CMD_STATUS       0x0F
 582 struct hci_ev_cmd_status {
 583         __u8     status;
 584         __u8     ncmd;
 585         __le16   opcode;
 586 } __attribute__ ((packed));
 587
 588 #define HCI_EV_NUM_COMP_PKTS    0x13
 589 struct hci_ev_num_comp_pkts {
 590         __u8     num_hndl;
 591         /* variable length part */
 592 } __attribute__ ((packed));
 593
 594 #define HCI_EV_ROLE_CHANGE      0x12
 595 struct hci_ev_role_change {
 596         __u8     status;
 597         bdaddr_t bdaddr;
 598         __u8     role;
 599 } __attribute__ ((packed));
 600
 601 #define HCI_EV_MODE_CHANGE      0x14
 602 struct hci_ev_mode_change {
 603         __u8     status;
 604         __le16   handle;
 605         __u8     mode;
 606         __le16   interval;
 607 } __attribute__ ((packed));
 608
 609 #define HCI_EV_PIN_CODE_REQ     0x16
 610 struct hci_ev_pin_code_req {
 611         bdaddr_t bdaddr;
 612 } __attribute__ ((packed));
 613
 614 #define HCI_EV_LINK_KEY_REQ     0x17
 615 struct hci_ev_link_key_req {
 616         bdaddr_t bdaddr;
 617 } __attribute__ ((packed));
 618
 619 #define HCI_EV_LINK_KEY_NOTIFY  0x18
 620 struct hci_ev_link_key_notify {
 621         bdaddr_t bdaddr;
 622         __u8     link_key[16];
 623         __u8     key_type;
 624 } __attribute__ ((packed));
 625
 626 #define HCI_EV_REMOTE_FEATURES  0x0B
 627 struct hci_ev_remote_features {
 628         __u8     status;
 629         __le16   handle;
 630         __u8     features[8];
 631 } __attribute__ ((packed));
 632
 633 #define HCI_EV_REMOTE_VERSION   0x0C
 634 struct hci_ev_remote_version {
 635         __u8     status;
 636         __le16   handle;
 637         __u8     lmp_ver;
 638         __le16   manufacturer;
 639         __le16   lmp_subver;
 640 } __attribute__ ((packed));
 641
 642 #define HCI_EV_CLOCK_OFFSET     0x01C
 643 struct hci_ev_clock_offset {
 644         __u8     status;
 645         __le16   handle;
 646         __le16   clock_offset;
 647 } __attribute__ ((packed));
 648
 649 #define HCI_EV_PSCAN_REP_MODE   0x20
 650 struct hci_ev_pscan_rep_mode {
 651         bdaddr_t bdaddr;
 652         __u8     pscan_rep_mode;
 653 } __attribute__ ((packed));
 654
 655 #define HCI_EV_SNIFF_SUBRATE    0x2E
 656 struct hci_ev_sniff_subrate {
 657         __u8     status;
 658         __le16   handle;
 659         __le16   max_tx_latency;
 660         __le16   max_rx_latency;
 661         __le16   max_remote_timeout;
 662         __le16   max_local_timeout;
 663 } __attribute__ ((packed));
 664
 665 /* Internal events generated by Bluetooth stack */
 666 #define HCI_EV_STACK_INTERNAL   0xFD
 667 struct hci_ev_stack_internal {
 668         __u16    type;
 669         __u8     data[0];
 670 } __attribute__ ((packed));
 671
 672 #define HCI_EV_SI_DEVICE        0x01
 673 struct hci_ev_si_device {
 674         __u16    event;
 675         __u16    dev_id;
 676 } __attribute__ ((packed));
 677
 678 #define HCI_EV_SI_SECURITY      0x02
 679 struct hci_ev_si_security {
 680         __u16    event;
 681         __u16    proto;
 682         __u16    subproto;
 683         __u8     incoming;
 684 } __attribute__ ((packed));
 685
 686 /* ---- HCI Packet structures ---- */
 687 #define HCI_COMMAND_HDR_SIZE 3
 688 #define HCI_EVENT_HDR_SIZE   2
 689 #define HCI_ACL_HDR_SIZE     4
 690 #define HCI_SCO_HDR_SIZE     3
 691
 692 struct hci_command_hdr {
 693         __le16  opcode;         /* OCF & OGF */
 694         __u8    plen;
 695 } __attribute__ ((packed));
 696
 697 struct hci_event_hdr {
 698         __u8    evt;
 699         __u8    plen;
 700 } __attribute__ ((packed));
 701
 702 struct hci_acl_hdr {
 703         __le16  handle;         /* Handle & Flags(PB, BC) */
 704         __le16  dlen;
 705 } __attribute__ ((packed));
 706
 707 struct hci_sco_hdr {
 708         __le16  handle;
 709         __u8    dlen;
 710 } __attribute__ ((packed));
 711
 712 /* Command opcode pack/unpack */
 713 #define hci_opcode_pack(ogf, ocf)       (__u16) ((ocf & 0x03ff)|(ogf << 10))
 714 #define hci_opcode_ogf(op)              (op >> 10)
 715 #define hci_opcode_ocf(op)              (op & 0x03ff)
 716
 717 /* ACL handle and flags pack/unpack */
 718 #define hci_handle_pack(h, f)   (__u16) ((h & 0x0fff)|(f << 12))
 719 #define hci_handle(h)           (h & 0x0fff)
 720 #define hci_flags(h)            (h >> 12)
 721
 722 /* ---- HCI Sockets ---- */
 723
 724 /* Socket options */
 725 #define HCI_DATA_DIR    1
 726 #define HCI_FILTER      2
 727 #define HCI_TIME_STAMP  3
 728
 729 /* CMSG flags */
 730 #define HCI_CMSG_DIR    0x0001
 731 #define HCI_CMSG_TSTAMP 0x0002
 732
 733 struct sockaddr_hci {
 734         sa_family_t    hci_family;
 735         unsigned short hci_dev;
 736 };
 737 #define HCI_DEV_NONE    0xffff
 738
 739 struct hci_filter {
 740         unsigned long type_mask;
 741         unsigned long event_mask[2];
 742         __le16   opcode;
 743 };
 744
 745 struct hci_ufilter {
 746         __u32   type_mask;
 747         __u32   event_mask[2];
 748         __le16   opcode;
 749 };
 750
 751 #define HCI_FLT_TYPE_BITS       31
 752 #define HCI_FLT_EVENT_BITS      63
 753 #define HCI_FLT_OGF_BITS        63
 754 #define HCI_FLT_OCF_BITS        127
 755
 756 /* ---- HCI Ioctl requests structures ---- */
 757 struct hci_dev_stats {
 758         __u32 err_rx;
 759         __u32 err_tx;
 760         __u32 cmd_tx;
 761         __u32 evt_rx;
 762         __u32 acl_tx;
 763         __u32 acl_rx;
 764         __u32 sco_tx;
 765         __u32 sco_rx;
 766         __u32 byte_rx;
 767         __u32 byte_tx;
 768 };
 769
 770 struct hci_dev_info {
 771         __u16 dev_id;
 772         char  name[8];
 773
 774         bdaddr_t bdaddr;
 775
 776         __u32 flags;
 777         __u8  type;
 778
 779         __u8  features[8];
 780
 781         __u32 pkt_type;
 782         __u32 link_policy;
 783         __u32 link_mode;
 784
 785         __u16 acl_mtu;
 786         __u16 acl_pkts;
 787         __u16 sco_mtu;
 788         __u16 sco_pkts;
 789
 790         struct hci_dev_stats stat;
 791 };
 792
 793 struct hci_conn_info {
 794         __u16    handle;
 795         bdaddr_t bdaddr;
 796         __u8     type;
 797         __u8     out;
 798         __u16    state;
 799         __u32    link_mode;
 800 };
 801
 802 struct hci_dev_req {
 803         __u16 dev_id;
 804         __u32 dev_opt;
 805 };
 806
 807 struct hci_dev_list_req {
 808         __u16  dev_num;
 809         struct hci_dev_req dev_req[0];  /* hci_dev_req structures */
 810 };
 811
 812 struct hci_conn_list_req {
 813         __u16  dev_id;
 814         __u16  conn_num;
 815         struct hci_conn_info conn_info[0];
 816 };
 817
 818 struct hci_conn_info_req {
 819         bdaddr_t bdaddr;
 820         __u8     type;
 821         struct   hci_conn_info conn_info[0];
 822 };
 823
 824 struct hci_inquiry_req {
 825         __u16 dev_id;
 826         __u16 flags;
 827         __u8  lap[3];
 828         __u8  length;
 829         __u8  num_rsp;
 830 };
 831 #define IREQ_CACHE_FLUSH 0x0001
 832
 833 #endif /* __HCI_H */