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 HCI_RESET, 89 }; 90 91 /* 92 * BR/EDR and/or LE controller flags: the flags defined here should represent 93 * states from the controller. 94 */ 95 enum { 96 HCI_LE_SCAN, 97 }; 98 99 /* HCI ioctl defines */ 100 #define HCIDEVUP _IOW('H', 201, int) 101 #define HCIDEVDOWN _IOW('H', 202, int) 102 #define HCIDEVRESET _IOW('H', 203, int) 103 #define HCIDEVRESTAT _IOW('H', 204, int) 104 105 #define HCIGETDEVLIST _IOR('H', 210, int) 106 #define HCIGETDEVINFO _IOR('H', 211, int) 107 #define HCIGETCONNLIST _IOR('H', 212, int) 108 #define HCIGETCONNINFO _IOR('H', 213, int) 109 #define HCIGETAUTHINFO _IOR('H', 215, int) 110 111 #define HCISETRAW _IOW('H', 220, int) 112 #define HCISETSCAN _IOW('H', 221, int) 113 #define HCISETAUTH _IOW('H', 222, int) 114 #define HCISETENCRYPT _IOW('H', 223, int) 115 #define HCISETPTYPE _IOW('H', 224, int) 116 #define HCISETLINKPOL _IOW('H', 225, int) 117 #define HCISETLINKMODE _IOW('H', 226, int) 118 #define HCISETACLMTU _IOW('H', 227, int) 119 #define HCISETSCOMTU _IOW('H', 228, int) 120 121 #define HCIBLOCKADDR _IOW('H', 230, int) 122 #define HCIUNBLOCKADDR _IOW('H', 231, int) 123 124 #define HCIINQUIRY _IOR('H', 240, int) 125 126 /* HCI timeouts */ 127 #define HCI_CONNECT_TIMEOUT (40000) /* 40 seconds */ 128 #define HCI_DISCONN_TIMEOUT (2000) /* 2 seconds */ 129 #define HCI_PAIRING_TIMEOUT (60000) /* 60 seconds */ 130 #define HCI_IDLE_TIMEOUT (6000) /* 6 seconds */ 131 #define HCI_INIT_TIMEOUT (10000) /* 10 seconds */ 132 #define HCI_CMD_TIMEOUT (1000) /* 1 seconds */ 133 134 /* HCI data types */ 135 #define HCI_COMMAND_PKT 0x01 136 #define HCI_ACLDATA_PKT 0x02 137 #define HCI_SCODATA_PKT 0x03 138 #define HCI_EVENT_PKT 0x04 139 #define HCI_VENDOR_PKT 0xff 140 141 /* HCI packet types */ 142 #define HCI_DM1 0x0008 143 #define HCI_DM3 0x0400 144 #define HCI_DM5 0x4000 145 #define HCI_DH1 0x0010 146 #define HCI_DH3 0x0800 147 #define HCI_DH5 0x8000 148 149 #define HCI_HV1 0x0020 150 #define HCI_HV2 0x0040 151 #define HCI_HV3 0x0080 152 153 #define SCO_PTYPE_MASK (HCI_HV1 | HCI_HV2 | HCI_HV3) 154 #define ACL_PTYPE_MASK (~SCO_PTYPE_MASK) 155 156 /* eSCO packet types */ 157 #define ESCO_HV1 0x0001 158 #define ESCO_HV2 0x0002 159 #define ESCO_HV3 0x0004 160 #define ESCO_EV3 0x0008 161 #define ESCO_EV4 0x0010 162 #define ESCO_EV5 0x0020 163 #define ESCO_2EV3 0x0040 164 #define ESCO_3EV3 0x0080 165 #define ESCO_2EV5 0x0100 166 #define ESCO_3EV5 0x0200 167 168 #define SCO_ESCO_MASK (ESCO_HV1 | ESCO_HV2 | ESCO_HV3) 169 #define EDR_ESCO_MASK (ESCO_2EV3 | ESCO_3EV3 | ESCO_2EV5 | ESCO_3EV5) 170 171 /* ACL flags */ 172 #define ACL_START_NO_FLUSH 0x00 173 #define ACL_CONT 0x01 174 #define ACL_START 0x02 175 #define ACL_ACTIVE_BCAST 0x04 176 #define ACL_PICO_BCAST 0x08 177 178 /* Baseband links */ 179 #define SCO_LINK 0x00 180 #define ACL_LINK 0x01 181 #define ESCO_LINK 0x02 182 /* Low Energy links do not have defined link type. Use invented one */ 183 #define LE_LINK 0x80 184 185 /* LMP features */ 186 #define LMP_3SLOT 0x01 187 #define LMP_5SLOT 0x02 188 #define LMP_ENCRYPT 0x04 189 #define LMP_SOFFSET 0x08 190 #define LMP_TACCURACY 0x10 191 #define LMP_RSWITCH 0x20 192 #define LMP_HOLD 0x40 193 #define LMP_SNIFF 0x80 194 195 #define LMP_PARK 0x01 196 #define LMP_RSSI 0x02 197 #define LMP_QUALITY 0x04 198 #define LMP_SCO 0x08 199 #define LMP_HV2 0x10 200 #define LMP_HV3 0x20 201 #define LMP_ULAW 0x40 202 #define LMP_ALAW 0x80 203 204 #define LMP_CVSD 0x01 205 #define LMP_PSCHEME 0x02 206 #define LMP_PCONTROL 0x04 207 208 #define LMP_RSSI_INQ 0x40 209 #define LMP_ESCO 0x80 210 211 #define LMP_EV4 0x01 212 #define LMP_EV5 0x02 213 #define LMP_LE 0x40 214 215 #define LMP_SNIFF_SUBR 0x02 216 #define LMP_PAUSE_ENC 0x04 217 #define LMP_EDR_ESCO_2M 0x20 218 #define LMP_EDR_ESCO_3M 0x40 219 #define LMP_EDR_3S_ESCO 0x80 220 221 #define LMP_EXT_INQ 0x01 222 #define LMP_SIMUL_LE_BR 0x02 223 #define LMP_SIMPLE_PAIR 0x08 224 #define LMP_NO_FLUSH 0x40 225 226 #define LMP_LSTO 0x01 227 #define LMP_INQ_TX_PWR 0x02 228 #define LMP_EXTFEATURES 0x80 229 230 /* Extended LMP features */ 231 #define LMP_HOST_LE 0x02 232 233 /* Connection modes */ 234 #define HCI_CM_ACTIVE 0x0000 235 #define HCI_CM_HOLD 0x0001 236 #define HCI_CM_SNIFF 0x0002 237 #define HCI_CM_PARK 0x0003 238 239 /* Link policies */ 240 #define HCI_LP_RSWITCH 0x0001 241 #define HCI_LP_HOLD 0x0002 242 #define HCI_LP_SNIFF 0x0004 243 #define HCI_LP_PARK 0x0008 244 245 /* Link modes */ 246 #define HCI_LM_ACCEPT 0x8000 247 #define HCI_LM_MASTER 0x0001 248 #define HCI_LM_AUTH 0x0002 249 #define HCI_LM_ENCRYPT 0x0004 250 #define HCI_LM_TRUSTED 0x0008 251 #define HCI_LM_RELIABLE 0x0010 252 #define HCI_LM_SECURE 0x0020 253 254 /* Authentication types */ 255 #define HCI_AT_NO_BONDING 0x00 256 #define HCI_AT_NO_BONDING_MITM 0x01 257 #define HCI_AT_DEDICATED_BONDING 0x02 258 #define HCI_AT_DEDICATED_BONDING_MITM 0x03 259 #define HCI_AT_GENERAL_BONDING 0x04 260 #define HCI_AT_GENERAL_BONDING_MITM 0x05 261 262 /* Link Key types */ 263 #define HCI_LK_COMBINATION 0x00 264 #define HCI_LK_LOCAL_UNIT 0x01 265 #define HCI_LK_REMOTE_UNIT 0x02 266 #define HCI_LK_DEBUG_COMBINATION 0x03 267 #define HCI_LK_UNAUTH_COMBINATION 0x04 268 #define HCI_LK_AUTH_COMBINATION 0x05 269 #define HCI_LK_CHANGED_COMBINATION 0x06 270 /* The spec doesn't define types for SMP keys */ 271 #define HCI_LK_SMP_LTK 0x81 272 #define HCI_LK_SMP_IRK 0x82 273 #define HCI_LK_SMP_CSRK 0x83 274 275 /* ---- HCI Error Codes ---- */ 276 #define HCI_ERROR_AUTH_FAILURE 0x05 277 #define HCI_ERROR_REJ_BAD_ADDR 0x0f 278 #define HCI_ERROR_REMOTE_USER_TERM 0x13 279 #define HCI_ERROR_LOCAL_HOST_TERM 0x16 280 #define HCI_ERROR_PAIRING_NOT_ALLOWED 0x18 281 282 /* ----- HCI Commands ---- */ 283 #define HCI_OP_NOP 0x0000 284 285 #define HCI_OP_INQUIRY 0x0401 286 struct hci_cp_inquiry { 287 __u8 lap[3]; 288 __u8 length; 289 __u8 num_rsp; 290 } __packed; 291 292 #define HCI_OP_INQUIRY_CANCEL 0x0402 293 294 #define HCI_OP_EXIT_PERIODIC_INQ 0x0404 295 296 #define HCI_OP_CREATE_CONN 0x0405 297 struct hci_cp_create_conn { 298 bdaddr_t bdaddr; 299 __le16 pkt_type; 300 __u8 pscan_rep_mode; 301 __u8 pscan_mode; 302 __le16 clock_offset; 303 __u8 role_switch; 304 } __packed; 305 306 #define HCI_OP_DISCONNECT 0x0406 307 struct hci_cp_disconnect { 308 __le16 handle; 309 __u8 reason; 310 } __packed; 311 312 #define HCI_OP_ADD_SCO 0x0407 313 struct hci_cp_add_sco { 314 __le16 handle; 315 __le16 pkt_type; 316 } __packed; 317 318 #define HCI_OP_CREATE_CONN_CANCEL 0x0408 319 struct hci_cp_create_conn_cancel { 320 bdaddr_t bdaddr; 321 } __packed; 322 323 #define HCI_OP_ACCEPT_CONN_REQ 0x0409 324 struct hci_cp_accept_conn_req { 325 bdaddr_t bdaddr; 326 __u8 role; 327 } __packed; 328 329 #define HCI_OP_REJECT_CONN_REQ 0x040a 330 struct hci_cp_reject_conn_req { 331 bdaddr_t bdaddr; 332 __u8 reason; 333 } __packed; 334 335 #define HCI_OP_LINK_KEY_REPLY 0x040b 336 struct hci_cp_link_key_reply { 337 bdaddr_t bdaddr; 338 __u8 link_key[16]; 339 } __packed; 340 341 #define HCI_OP_LINK_KEY_NEG_REPLY 0x040c 342 struct hci_cp_link_key_neg_reply { 343 bdaddr_t bdaddr; 344 } __packed; 345 346 #define HCI_OP_PIN_CODE_REPLY 0x040d 347 struct hci_cp_pin_code_reply { 348 bdaddr_t bdaddr; 349 __u8 pin_len; 350 __u8 pin_code[16]; 351 } __packed; 352 struct hci_rp_pin_code_reply { 353 __u8 status; 354 bdaddr_t bdaddr; 355 } __packed; 356 357 #define HCI_OP_PIN_CODE_NEG_REPLY 0x040e 358 struct hci_cp_pin_code_neg_reply { 359 bdaddr_t bdaddr; 360 } __packed; 361 struct hci_rp_pin_code_neg_reply { 362 __u8 status; 363 bdaddr_t bdaddr; 364 } __packed; 365 366 #define HCI_OP_CHANGE_CONN_PTYPE 0x040f 367 struct hci_cp_change_conn_ptype { 368 __le16 handle; 369 __le16 pkt_type; 370 } __packed; 371 372 #define HCI_OP_AUTH_REQUESTED 0x0411 373 struct hci_cp_auth_requested { 374 __le16 handle; 375 } __packed; 376 377 #define HCI_OP_SET_CONN_ENCRYPT 0x0413 378 struct hci_cp_set_conn_encrypt { 379 __le16 handle; 380 __u8 encrypt; 381 } __packed; 382 383 #define HCI_OP_CHANGE_CONN_LINK_KEY 0x0415 384 struct hci_cp_change_conn_link_key { 385 __le16 handle; 386 } __packed; 387 388 #define HCI_OP_REMOTE_NAME_REQ 0x0419 389 struct hci_cp_remote_name_req { 390 bdaddr_t bdaddr; 391 __u8 pscan_rep_mode; 392 __u8 pscan_mode; 393 __le16 clock_offset; 394 } __packed; 395 396 #define HCI_OP_REMOTE_NAME_REQ_CANCEL 0x041a 397 struct hci_cp_remote_name_req_cancel { 398 bdaddr_t bdaddr; 399 } __packed; 400 401 #define HCI_OP_READ_REMOTE_FEATURES 0x041b 402 struct hci_cp_read_remote_features { 403 __le16 handle; 404 } __packed; 405 406 #define HCI_OP_READ_REMOTE_EXT_FEATURES 0x041c 407 struct hci_cp_read_remote_ext_features { 408 __le16 handle; 409 __u8 page; 410 } __packed; 411 412 #define HCI_OP_READ_REMOTE_VERSION 0x041d 413 struct hci_cp_read_remote_version { 414 __le16 handle; 415 } __packed; 416 417 #define HCI_OP_SETUP_SYNC_CONN 0x0428 418 struct hci_cp_setup_sync_conn { 419 __le16 handle; 420 __le32 tx_bandwidth; 421 __le32 rx_bandwidth; 422 __le16 max_latency; 423 __le16 voice_setting; 424 __u8 retrans_effort; 425 __le16 pkt_type; 426 } __packed; 427 428 #define HCI_OP_ACCEPT_SYNC_CONN_REQ 0x0429 429 struct hci_cp_accept_sync_conn_req { 430 bdaddr_t bdaddr; 431 __le32 tx_bandwidth; 432 __le32 rx_bandwidth; 433 __le16 max_latency; 434 __le16 content_format; 435 __u8 retrans_effort; 436 __le16 pkt_type; 437 } __packed; 438 439 #define HCI_OP_REJECT_SYNC_CONN_REQ 0x042a 440 struct hci_cp_reject_sync_conn_req { 441 bdaddr_t bdaddr; 442 __u8 reason; 443 } __packed; 444 445 #define HCI_OP_IO_CAPABILITY_REPLY 0x042b 446 struct hci_cp_io_capability_reply { 447 bdaddr_t bdaddr; 448 __u8 capability; 449 __u8 oob_data; 450 __u8 authentication; 451 } __packed; 452 453 #define HCI_OP_USER_CONFIRM_REPLY 0x042c 454 struct hci_cp_user_confirm_reply { 455 bdaddr_t bdaddr; 456 } __packed; 457 struct hci_rp_user_confirm_reply { 458 __u8 status; 459 bdaddr_t bdaddr; 460 } __packed; 461 462 #define HCI_OP_USER_CONFIRM_NEG_REPLY 0x042d 463 464 #define HCI_OP_USER_PASSKEY_REPLY 0x042e 465 struct hci_cp_user_passkey_reply { 466 bdaddr_t bdaddr; 467 __le32 passkey; 468 } __packed; 469 470 #define HCI_OP_USER_PASSKEY_NEG_REPLY 0x042f 471 472 #define HCI_OP_REMOTE_OOB_DATA_REPLY 0x0430 473 struct hci_cp_remote_oob_data_reply { 474 bdaddr_t bdaddr; 475 __u8 hash[16]; 476 __u8 randomizer[16]; 477 } __packed; 478 479 #define HCI_OP_REMOTE_OOB_DATA_NEG_REPLY 0x0433 480 struct hci_cp_remote_oob_data_neg_reply { 481 bdaddr_t bdaddr; 482 } __packed; 483 484 #define HCI_OP_IO_CAPABILITY_NEG_REPLY 0x0434 485 struct hci_cp_io_capability_neg_reply { 486 bdaddr_t bdaddr; 487 __u8 reason; 488 } __packed; 489 490 #define HCI_OP_SNIFF_MODE 0x0803 491 struct hci_cp_sniff_mode { 492 __le16 handle; 493 __le16 max_interval; 494 __le16 min_interval; 495 __le16 attempt; 496 __le16 timeout; 497 } __packed; 498 499 #define HCI_OP_EXIT_SNIFF_MODE 0x0804 500 struct hci_cp_exit_sniff_mode { 501 __le16 handle; 502 } __packed; 503 504 #define HCI_OP_ROLE_DISCOVERY 0x0809 505 struct hci_cp_role_discovery { 506 __le16 handle; 507 } __packed; 508 struct hci_rp_role_discovery { 509 __u8 status; 510 __le16 handle; 511 __u8 role; 512 } __packed; 513 514 #define HCI_OP_SWITCH_ROLE 0x080b 515 struct hci_cp_switch_role { 516 bdaddr_t bdaddr; 517 __u8 role; 518 } __packed; 519 520 #define HCI_OP_READ_LINK_POLICY 0x080c 521 struct hci_cp_read_link_policy { 522 __le16 handle; 523 } __packed; 524 struct hci_rp_read_link_policy { 525 __u8 status; 526 __le16 handle; 527 __le16 policy; 528 } __packed; 529 530 #define HCI_OP_WRITE_LINK_POLICY 0x080d 531 struct hci_cp_write_link_policy { 532 __le16 handle; 533 __le16 policy; 534 } __packed; 535 struct hci_rp_write_link_policy { 536 __u8 status; 537 __le16 handle; 538 } __packed; 539 540 #define HCI_OP_READ_DEF_LINK_POLICY 0x080e 541 struct hci_rp_read_def_link_policy { 542 __u8 status; 543 __le16 policy; 544 } __packed; 545 546 #define HCI_OP_WRITE_DEF_LINK_POLICY 0x080f 547 struct hci_cp_write_def_link_policy { 548 __le16 policy; 549 } __packed; 550 551 #define HCI_OP_SNIFF_SUBRATE 0x0811 552 struct hci_cp_sniff_subrate { 553 __le16 handle; 554 __le16 max_latency; 555 __le16 min_remote_timeout; 556 __le16 min_local_timeout; 557 } __packed; 558 559 #define HCI_OP_SET_EVENT_MASK 0x0c01 560 struct hci_cp_set_event_mask { 561 __u8 mask[8]; 562 } __packed; 563 564 #define HCI_OP_RESET 0x0c03 565 566 #define HCI_OP_SET_EVENT_FLT 0x0c05 567 struct hci_cp_set_event_flt { 568 __u8 flt_type; 569 __u8 cond_type; 570 __u8 condition[0]; 571 } __packed; 572 573 /* Filter types */ 574 #define HCI_FLT_CLEAR_ALL 0x00 575 #define HCI_FLT_INQ_RESULT 0x01 576 #define HCI_FLT_CONN_SETUP 0x02 577 578 /* CONN_SETUP Condition types */ 579 #define HCI_CONN_SETUP_ALLOW_ALL 0x00 580 #define HCI_CONN_SETUP_ALLOW_CLASS 0x01 581 #define HCI_CONN_SETUP_ALLOW_BDADDR 0x02 582 583 /* CONN_SETUP Conditions */ 584 #define HCI_CONN_SETUP_AUTO_OFF 0x01 585 #define HCI_CONN_SETUP_AUTO_ON 0x02 586 587 #define HCI_OP_DELETE_STORED_LINK_KEY 0x0c12 588 struct hci_cp_delete_stored_link_key { 589 bdaddr_t bdaddr; 590 __u8 delete_all; 591 } __packed; 592 593 #define HCI_MAX_NAME_LENGTH 248 594 595 #define HCI_OP_WRITE_LOCAL_NAME 0x0c13 596 struct hci_cp_write_local_name { 597 __u8 name[HCI_MAX_NAME_LENGTH]; 598 } __packed; 599 600 #define HCI_OP_READ_LOCAL_NAME 0x0c14 601 struct hci_rp_read_local_name { 602 __u8 status; 603 __u8 name[HCI_MAX_NAME_LENGTH]; 604 } __packed; 605 606 #define HCI_OP_WRITE_CA_TIMEOUT 0x0c16 607 608 #define HCI_OP_WRITE_PG_TIMEOUT 0x0c18 609 610 #define HCI_OP_WRITE_SCAN_ENABLE 0x0c1a 611 #define SCAN_DISABLED 0x00 612 #define SCAN_INQUIRY 0x01 613 #define SCAN_PAGE 0x02 614 615 #define HCI_OP_READ_AUTH_ENABLE 0x0c1f 616 617 #define HCI_OP_WRITE_AUTH_ENABLE 0x0c20 618 #define AUTH_DISABLED 0x00 619 #define AUTH_ENABLED 0x01 620 621 #define HCI_OP_READ_ENCRYPT_MODE 0x0c21 622 623 #define HCI_OP_WRITE_ENCRYPT_MODE 0x0c22 624 #define ENCRYPT_DISABLED 0x00 625 #define ENCRYPT_P2P 0x01 626 #define ENCRYPT_BOTH 0x02 627 628 #define HCI_OP_READ_CLASS_OF_DEV 0x0c23 629 struct hci_rp_read_class_of_dev { 630 __u8 status; 631 __u8 dev_class[3]; 632 } __packed; 633 634 #define HCI_OP_WRITE_CLASS_OF_DEV 0x0c24 635 struct hci_cp_write_class_of_dev { 636 __u8 dev_class[3]; 637 } __packed; 638 639 #define HCI_OP_READ_VOICE_SETTING 0x0c25 640 struct hci_rp_read_voice_setting { 641 __u8 status; 642 __le16 voice_setting; 643 } __packed; 644 645 #define HCI_OP_WRITE_VOICE_SETTING 0x0c26 646 struct hci_cp_write_voice_setting { 647 __le16 voice_setting; 648 } __packed; 649 650 #define HCI_OP_HOST_BUFFER_SIZE 0x0c33 651 struct hci_cp_host_buffer_size { 652 __le16 acl_mtu; 653 __u8 sco_mtu; 654 __le16 acl_max_pkt; 655 __le16 sco_max_pkt; 656 } __packed; 657 658 #define HCI_OP_WRITE_INQUIRY_MODE 0x0c45 659 660 #define HCI_MAX_EIR_LENGTH 240 661 662 #define HCI_OP_WRITE_EIR 0x0c52 663 struct hci_cp_write_eir { 664 uint8_t fec; 665 uint8_t data[HCI_MAX_EIR_LENGTH]; 666 } __packed; 667 668 #define HCI_OP_READ_SSP_MODE 0x0c55 669 struct hci_rp_read_ssp_mode { 670 __u8 status; 671 __u8 mode; 672 } __packed; 673 674 #define HCI_OP_WRITE_SSP_MODE 0x0c56 675 struct hci_cp_write_ssp_mode { 676 __u8 mode; 677 } __packed; 678 679 #define HCI_OP_READ_LOCAL_OOB_DATA 0x0c57 680 struct hci_rp_read_local_oob_data { 681 __u8 status; 682 __u8 hash[16]; 683 __u8 randomizer[16]; 684 } __packed; 685 686 #define HCI_OP_READ_INQ_RSP_TX_POWER 0x0c58 687 688 #define HCI_OP_READ_FLOW_CONTROL_MODE 0x0c66 689 struct hci_rp_read_flow_control_mode { 690 __u8 status; 691 __u8 mode; 692 } __packed; 693 694 #define HCI_OP_WRITE_LE_HOST_SUPPORTED 0x0c6d 695 struct hci_cp_write_le_host_supported { 696 __u8 le; 697 __u8 simul; 698 } __packed; 699 700 #define HCI_OP_READ_LOCAL_VERSION 0x1001 701 struct hci_rp_read_local_version { 702 __u8 status; 703 __u8 hci_ver; 704 __le16 hci_rev; 705 __u8 lmp_ver; 706 __le16 manufacturer; 707 __le16 lmp_subver; 708 } __packed; 709 710 #define HCI_OP_READ_LOCAL_COMMANDS 0x1002 711 struct hci_rp_read_local_commands { 712 __u8 status; 713 __u8 commands[64]; 714 } __packed; 715 716 #define HCI_OP_READ_LOCAL_FEATURES 0x1003 717 struct hci_rp_read_local_features { 718 __u8 status; 719 __u8 features[8]; 720 } __packed; 721 722 #define HCI_OP_READ_LOCAL_EXT_FEATURES 0x1004 723 struct hci_cp_read_local_ext_features { 724 __u8 page; 725 } __packed; 726 struct hci_rp_read_local_ext_features { 727 __u8 status; 728 __u8 page; 729 __u8 max_page; 730 __u8 features[8]; 731 } __packed; 732 733 #define HCI_OP_READ_BUFFER_SIZE 0x1005 734 struct hci_rp_read_buffer_size { 735 __u8 status; 736 __le16 acl_mtu; 737 __u8 sco_mtu; 738 __le16 acl_max_pkt; 739 __le16 sco_max_pkt; 740 } __packed; 741 742 #define HCI_OP_READ_BD_ADDR 0x1009 743 struct hci_rp_read_bd_addr { 744 __u8 status; 745 bdaddr_t bdaddr; 746 } __packed; 747 748 #define HCI_OP_WRITE_PAGE_SCAN_ACTIVITY 0x0c1c 749 struct hci_cp_write_page_scan_activity { 750 __le16 interval; 751 __le16 window; 752 } __packed; 753 754 #define HCI_OP_WRITE_PAGE_SCAN_TYPE 0x0c47 755 #define PAGE_SCAN_TYPE_STANDARD 0x00 756 #define PAGE_SCAN_TYPE_INTERLACED 0x01 757 758 #define HCI_OP_READ_LOCAL_AMP_INFO 0x1409 759 struct hci_rp_read_local_amp_info { 760 __u8 status; 761 __u8 amp_status; 762 __le32 total_bw; 763 __le32 max_bw; 764 __le32 min_latency; 765 __le32 max_pdu; 766 __u8 amp_type; 767 __le16 pal_cap; 768 __le16 max_assoc_size; 769 __le32 max_flush_to; 770 __le32 be_flush_to; 771 } __packed; 772 773 #define HCI_OP_LE_SET_EVENT_MASK 0x2001 774 struct hci_cp_le_set_event_mask { 775 __u8 mask[8]; 776 } __packed; 777 778 #define HCI_OP_LE_READ_BUFFER_SIZE 0x2002 779 struct hci_rp_le_read_buffer_size { 780 __u8 status; 781 __le16 le_mtu; 782 __u8 le_max_pkt; 783 } __packed; 784 785 #define HCI_OP_LE_SET_SCAN_ENABLE 0x200c 786 struct hci_cp_le_set_scan_enable { 787 __u8 enable; 788 __u8 filter_dup; 789 } __packed; 790 791 #define HCI_OP_LE_CREATE_CONN 0x200d 792 struct hci_cp_le_create_conn { 793 __le16 scan_interval; 794 __le16 scan_window; 795 __u8 filter_policy; 796 __u8 peer_addr_type; 797 bdaddr_t peer_addr; 798 __u8 own_address_type; 799 __le16 conn_interval_min; 800 __le16 conn_interval_max; 801 __le16 conn_latency; 802 __le16 supervision_timeout; 803 __le16 min_ce_len; 804 __le16 max_ce_len; 805 } __packed; 806 807 #define HCI_OP_LE_CREATE_CONN_CANCEL 0x200e 808 809 #define HCI_OP_LE_CONN_UPDATE 0x2013 810 struct hci_cp_le_conn_update { 811 __le16 handle; 812 __le16 conn_interval_min; 813 __le16 conn_interval_max; 814 __le16 conn_latency; 815 __le16 supervision_timeout; 816 __le16 min_ce_len; 817 __le16 max_ce_len; 818 } __packed; 819 820 #define HCI_OP_LE_START_ENC 0x2019 821 struct hci_cp_le_start_enc { 822 __le16 handle; 823 __u8 rand[8]; 824 __le16 ediv; 825 __u8 ltk[16]; 826 } __packed; 827 828 #define HCI_OP_LE_LTK_REPLY 0x201a 829 struct hci_cp_le_ltk_reply { 830 __le16 handle; 831 __u8 ltk[16]; 832 } __packed; 833 struct hci_rp_le_ltk_reply { 834 __u8 status; 835 __le16 handle; 836 } __packed; 837 838 #define HCI_OP_LE_LTK_NEG_REPLY 0x201b 839 struct hci_cp_le_ltk_neg_reply { 840 __le16 handle; 841 } __packed; 842 struct hci_rp_le_ltk_neg_reply { 843 __u8 status; 844 __le16 handle; 845 } __packed; 846 847 /* ---- HCI Events ---- */ 848 #define HCI_EV_INQUIRY_COMPLETE 0x01 849 850 #define HCI_EV_INQUIRY_RESULT 0x02 851 struct inquiry_info { 852 bdaddr_t bdaddr; 853 __u8 pscan_rep_mode; 854 __u8 pscan_period_mode; 855 __u8 pscan_mode; 856 __u8 dev_class[3]; 857 __le16 clock_offset; 858 } __packed; 859 860 #define HCI_EV_CONN_COMPLETE 0x03 861 struct hci_ev_conn_complete { 862 __u8 status; 863 __le16 handle; 864 bdaddr_t bdaddr; 865 __u8 link_type; 866 __u8 encr_mode; 867 } __packed; 868 869 #define HCI_EV_CONN_REQUEST 0x04 870 struct hci_ev_conn_request { 871 bdaddr_t bdaddr; 872 __u8 dev_class[3]; 873 __u8 link_type; 874 } __packed; 875 876 #define HCI_EV_DISCONN_COMPLETE 0x05 877 struct hci_ev_disconn_complete { 878 __u8 status; 879 __le16 handle; 880 __u8 reason; 881 } __packed; 882 883 #define HCI_EV_AUTH_COMPLETE 0x06 884 struct hci_ev_auth_complete { 885 __u8 status; 886 __le16 handle; 887 } __packed; 888 889 #define HCI_EV_REMOTE_NAME 0x07 890 struct hci_ev_remote_name { 891 __u8 status; 892 bdaddr_t bdaddr; 893 __u8 name[HCI_MAX_NAME_LENGTH]; 894 } __packed; 895 896 #define HCI_EV_ENCRYPT_CHANGE 0x08 897 struct hci_ev_encrypt_change { 898 __u8 status; 899 __le16 handle; 900 __u8 encrypt; 901 } __packed; 902 903 #define HCI_EV_CHANGE_LINK_KEY_COMPLETE 0x09 904 struct hci_ev_change_link_key_complete { 905 __u8 status; 906 __le16 handle; 907 } __packed; 908 909 #define HCI_EV_REMOTE_FEATURES 0x0b 910 struct hci_ev_remote_features { 911 __u8 status; 912 __le16 handle; 913 __u8 features[8]; 914 } __packed; 915 916 #define HCI_EV_REMOTE_VERSION 0x0c 917 struct hci_ev_remote_version { 918 __u8 status; 919 __le16 handle; 920 __u8 lmp_ver; 921 __le16 manufacturer; 922 __le16 lmp_subver; 923 } __packed; 924 925 #define HCI_EV_QOS_SETUP_COMPLETE 0x0d 926 struct hci_qos { 927 __u8 service_type; 928 __u32 token_rate; 929 __u32 peak_bandwidth; 930 __u32 latency; 931 __u32 delay_variation; 932 } __packed; 933 struct hci_ev_qos_setup_complete { 934 __u8 status; 935 __le16 handle; 936 struct hci_qos qos; 937 } __packed; 938 939 #define HCI_EV_CMD_COMPLETE 0x0e 940 struct hci_ev_cmd_complete { 941 __u8 ncmd; 942 __le16 opcode; 943 } __packed; 944 945 #define HCI_EV_CMD_STATUS 0x0f 946 struct hci_ev_cmd_status { 947 __u8 status; 948 __u8 ncmd; 949 __le16 opcode; 950 } __packed; 951 952 #define HCI_EV_ROLE_CHANGE 0x12 953 struct hci_ev_role_change { 954 __u8 status; 955 bdaddr_t bdaddr; 956 __u8 role; 957 } __packed; 958 959 #define HCI_EV_NUM_COMP_PKTS 0x13 960 struct hci_ev_num_comp_pkts { 961 __u8 num_hndl; 962 /* variable length part */ 963 } __packed; 964 965 #define HCI_EV_MODE_CHANGE 0x14 966 struct hci_ev_mode_change { 967 __u8 status; 968 __le16 handle; 969 __u8 mode; 970 __le16 interval; 971 } __packed; 972 973 #define HCI_EV_PIN_CODE_REQ 0x16 974 struct hci_ev_pin_code_req { 975 bdaddr_t bdaddr; 976 } __packed; 977 978 #define HCI_EV_LINK_KEY_REQ 0x17 979 struct hci_ev_link_key_req { 980 bdaddr_t bdaddr; 981 } __packed; 982 983 #define HCI_EV_LINK_KEY_NOTIFY 0x18 984 struct hci_ev_link_key_notify { 985 bdaddr_t bdaddr; 986 __u8 link_key[16]; 987 __u8 key_type; 988 } __packed; 989 990 #define HCI_EV_CLOCK_OFFSET 0x1c 991 struct hci_ev_clock_offset { 992 __u8 status; 993 __le16 handle; 994 __le16 clock_offset; 995 } __packed; 996 997 #define HCI_EV_PKT_TYPE_CHANGE 0x1d 998 struct hci_ev_pkt_type_change { 999 __u8 status; 1000 __le16 handle; 1001 __le16 pkt_type; 1002 } __packed; 1003 1004 #define HCI_EV_PSCAN_REP_MODE 0x20 1005 struct hci_ev_pscan_rep_mode { 1006 bdaddr_t bdaddr; 1007 __u8 pscan_rep_mode; 1008 } __packed; 1009 1010 #define HCI_EV_INQUIRY_RESULT_WITH_RSSI 0x22 1011 struct inquiry_info_with_rssi { 1012 bdaddr_t bdaddr; 1013 __u8 pscan_rep_mode; 1014 __u8 pscan_period_mode; 1015 __u8 dev_class[3]; 1016 __le16 clock_offset; 1017 __s8 rssi; 1018 } __packed; 1019 struct inquiry_info_with_rssi_and_pscan_mode { 1020 bdaddr_t bdaddr; 1021 __u8 pscan_rep_mode; 1022 __u8 pscan_period_mode; 1023 __u8 pscan_mode; 1024 __u8 dev_class[3]; 1025 __le16 clock_offset; 1026 __s8 rssi; 1027 } __packed; 1028 1029 #define HCI_EV_REMOTE_EXT_FEATURES 0x23 1030 struct hci_ev_remote_ext_features { 1031 __u8 status; 1032 __le16 handle; 1033 __u8 page; 1034 __u8 max_page; 1035 __u8 features[8]; 1036 } __packed; 1037 1038 #define HCI_EV_SYNC_CONN_COMPLETE 0x2c 1039 struct hci_ev_sync_conn_complete { 1040 __u8 status; 1041 __le16 handle; 1042 bdaddr_t bdaddr; 1043 __u8 link_type; 1044 __u8 tx_interval; 1045 __u8 retrans_window; 1046 __le16 rx_pkt_len; 1047 __le16 tx_pkt_len; 1048 __u8 air_mode; 1049 } __packed; 1050 1051 #define HCI_EV_SYNC_CONN_CHANGED 0x2d 1052 struct hci_ev_sync_conn_changed { 1053 __u8 status; 1054 __le16 handle; 1055 __u8 tx_interval; 1056 __u8 retrans_window; 1057 __le16 rx_pkt_len; 1058 __le16 tx_pkt_len; 1059 } __packed; 1060 1061 #define HCI_EV_SNIFF_SUBRATE 0x2e 1062 struct hci_ev_sniff_subrate { 1063 __u8 status; 1064 __le16 handle; 1065 __le16 max_tx_latency; 1066 __le16 max_rx_latency; 1067 __le16 max_remote_timeout; 1068 __le16 max_local_timeout; 1069 } __packed; 1070 1071 #define HCI_EV_EXTENDED_INQUIRY_RESULT 0x2f 1072 struct extended_inquiry_info { 1073 bdaddr_t bdaddr; 1074 __u8 pscan_rep_mode; 1075 __u8 pscan_period_mode; 1076 __u8 dev_class[3]; 1077 __le16 clock_offset; 1078 __s8 rssi; 1079 __u8 data[240]; 1080 } __packed; 1081 1082 #define HCI_EV_IO_CAPA_REQUEST 0x31 1083 struct hci_ev_io_capa_request { 1084 bdaddr_t bdaddr; 1085 } __packed; 1086 1087 #define HCI_EV_IO_CAPA_REPLY 0x32 1088 struct hci_ev_io_capa_reply { 1089 bdaddr_t bdaddr; 1090 __u8 capability; 1091 __u8 oob_data; 1092 __u8 authentication; 1093 } __packed; 1094 1095 #define HCI_EV_USER_CONFIRM_REQUEST 0x33 1096 struct hci_ev_user_confirm_req { 1097 bdaddr_t bdaddr; 1098 __le32 passkey; 1099 } __packed; 1100 1101 #define HCI_EV_USER_PASSKEY_REQUEST 0x34 1102 struct hci_ev_user_passkey_req { 1103 bdaddr_t bdaddr; 1104 } __packed; 1105 1106 #define HCI_EV_REMOTE_OOB_DATA_REQUEST 0x35 1107 struct hci_ev_remote_oob_data_request { 1108 bdaddr_t bdaddr; 1109 } __packed; 1110 1111 #define HCI_EV_SIMPLE_PAIR_COMPLETE 0x36 1112 struct hci_ev_simple_pair_complete { 1113 __u8 status; 1114 bdaddr_t bdaddr; 1115 } __packed; 1116 1117 #define HCI_EV_REMOTE_HOST_FEATURES 0x3d 1118 struct hci_ev_remote_host_features { 1119 bdaddr_t bdaddr; 1120 __u8 features[8]; 1121 } __packed; 1122 1123 #define HCI_EV_LE_META 0x3e 1124 struct hci_ev_le_meta { 1125 __u8 subevent; 1126 } __packed; 1127 1128 /* Low energy meta events */ 1129 #define HCI_EV_LE_CONN_COMPLETE 0x01 1130 struct hci_ev_le_conn_complete { 1131 __u8 status; 1132 __le16 handle; 1133 __u8 role; 1134 __u8 bdaddr_type; 1135 bdaddr_t bdaddr; 1136 __le16 interval; 1137 __le16 latency; 1138 __le16 supervision_timeout; 1139 __u8 clk_accurancy; 1140 } __packed; 1141 1142 #define HCI_EV_LE_LTK_REQ 0x05 1143 struct hci_ev_le_ltk_req { 1144 __le16 handle; 1145 __u8 random[8]; 1146 __le16 ediv; 1147 } __packed; 1148 1149 /* Advertising report event types */ 1150 #define ADV_IND 0x00 1151 #define ADV_DIRECT_IND 0x01 1152 #define ADV_SCAN_IND 0x02 1153 #define ADV_NONCONN_IND 0x03 1154 #define ADV_SCAN_RSP 0x04 1155 1156 #define ADDR_LE_DEV_PUBLIC 0x00 1157 #define ADDR_LE_DEV_RANDOM 0x01 1158 1159 #define HCI_EV_LE_ADVERTISING_REPORT 0x02 1160 struct hci_ev_le_advertising_info { 1161 __u8 evt_type; 1162 __u8 bdaddr_type; 1163 bdaddr_t bdaddr; 1164 __u8 length; 1165 __u8 data[0]; 1166 } __packed; 1167 1168 /* Internal events generated by Bluetooth stack */ 1169 #define HCI_EV_STACK_INTERNAL 0xfd 1170 struct hci_ev_stack_internal { 1171 __u16 type; 1172 __u8 data[0]; 1173 } __packed; 1174 1175 #define HCI_EV_SI_DEVICE 0x01 1176 struct hci_ev_si_device { 1177 __u16 event; 1178 __u16 dev_id; 1179 } __packed; 1180 1181 #define HCI_EV_SI_SECURITY 0x02 1182 struct hci_ev_si_security { 1183 __u16 event; 1184 __u16 proto; 1185 __u16 subproto; 1186 __u8 incoming; 1187 } __packed; 1188 1189 /* ---- HCI Packet structures ---- */ 1190 #define HCI_COMMAND_HDR_SIZE 3 1191 #define HCI_EVENT_HDR_SIZE 2 1192 #define HCI_ACL_HDR_SIZE 4 1193 #define HCI_SCO_HDR_SIZE 3 1194 1195 struct hci_command_hdr { 1196 __le16 opcode; /* OCF & OGF */ 1197 __u8 plen; 1198 } __packed; 1199 1200 struct hci_event_hdr { 1201 __u8 evt; 1202 __u8 plen; 1203 } __packed; 1204 1205 struct hci_acl_hdr { 1206 __le16 handle; /* Handle & Flags(PB, BC) */ 1207 __le16 dlen; 1208 } __packed; 1209 1210 struct hci_sco_hdr { 1211 __le16 handle; 1212 __u8 dlen; 1213 } __packed; 1214 1215 #include <linux/skbuff.h> 1216 static inline struct hci_event_hdr *hci_event_hdr(const struct sk_buff *skb) 1217 { 1218 return (struct hci_event_hdr *) skb->data; 1219 } 1220 1221 static inline struct hci_acl_hdr *hci_acl_hdr(const struct sk_buff *skb) 1222 { 1223 return (struct hci_acl_hdr *) skb->data; 1224 } 1225 1226 static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb) 1227 { 1228 return (struct hci_sco_hdr *) skb->data; 1229 } 1230 1231 /* Command opcode pack/unpack */ 1232 #define hci_opcode_pack(ogf, ocf) (__u16) ((ocf & 0x03ff)|(ogf << 10)) 1233 #define hci_opcode_ogf(op) (op >> 10) 1234 #define hci_opcode_ocf(op) (op & 0x03ff) 1235 1236 /* ACL handle and flags pack/unpack */ 1237 #define hci_handle_pack(h, f) (__u16) ((h & 0x0fff)|(f << 12)) 1238 #define hci_handle(h) (h & 0x0fff) 1239 #define hci_flags(h) (h >> 12) 1240 1241 /* ---- HCI Sockets ---- */ 1242 1243 /* Socket options */ 1244 #define HCI_DATA_DIR 1 1245 #define HCI_FILTER 2 1246 #define HCI_TIME_STAMP 3 1247 1248 /* CMSG flags */ 1249 #define HCI_CMSG_DIR 0x0001 1250 #define HCI_CMSG_TSTAMP 0x0002 1251 1252 struct sockaddr_hci { 1253 sa_family_t hci_family; 1254 unsigned short hci_dev; 1255 unsigned short hci_channel; 1256 }; 1257 #define HCI_DEV_NONE 0xffff 1258 1259 #define HCI_CHANNEL_RAW 0 1260 #define HCI_CHANNEL_CONTROL 1 1261 1262 struct hci_filter { 1263 unsigned long type_mask; 1264 unsigned long event_mask[2]; 1265 __le16 opcode; 1266 }; 1267 1268 struct hci_ufilter { 1269 __u32 type_mask; 1270 __u32 event_mask[2]; 1271 __le16 opcode; 1272 }; 1273 1274 #define HCI_FLT_TYPE_BITS 31 1275 #define HCI_FLT_EVENT_BITS 63 1276 #define HCI_FLT_OGF_BITS 63 1277 #define HCI_FLT_OCF_BITS 127 1278 1279 /* ---- HCI Ioctl requests structures ---- */ 1280 struct hci_dev_stats { 1281 __u32 err_rx; 1282 __u32 err_tx; 1283 __u32 cmd_tx; 1284 __u32 evt_rx; 1285 __u32 acl_tx; 1286 __u32 acl_rx; 1287 __u32 sco_tx; 1288 __u32 sco_rx; 1289 __u32 byte_rx; 1290 __u32 byte_tx; 1291 }; 1292 1293 struct hci_dev_info { 1294 __u16 dev_id; 1295 char name[8]; 1296 1297 bdaddr_t bdaddr; 1298 1299 __u32 flags; 1300 __u8 type; 1301 1302 __u8 features[8]; 1303 1304 __u32 pkt_type; 1305 __u32 link_policy; 1306 __u32 link_mode; 1307 1308 __u16 acl_mtu; 1309 __u16 acl_pkts; 1310 __u16 sco_mtu; 1311 __u16 sco_pkts; 1312 1313 struct hci_dev_stats stat; 1314 }; 1315 1316 struct hci_conn_info { 1317 __u16 handle; 1318 bdaddr_t bdaddr; 1319 __u8 type; 1320 __u8 out; 1321 __u16 state; 1322 __u32 link_mode; 1323 }; 1324 1325 struct hci_dev_req { 1326 __u16 dev_id; 1327 __u32 dev_opt; 1328 }; 1329 1330 struct hci_dev_list_req { 1331 __u16 dev_num; 1332 struct hci_dev_req dev_req[0]; /* hci_dev_req structures */ 1333 }; 1334 1335 struct hci_conn_list_req { 1336 __u16 dev_id; 1337 __u16 conn_num; 1338 struct hci_conn_info conn_info[0]; 1339 }; 1340 1341 struct hci_conn_info_req { 1342 bdaddr_t bdaddr; 1343 __u8 type; 1344 struct hci_conn_info conn_info[0]; 1345 }; 1346 1347 struct hci_auth_info_req { 1348 bdaddr_t bdaddr; 1349 __u8 type; 1350 }; 1351 1352 struct hci_inquiry_req { 1353 __u16 dev_id; 1354 __u16 flags; 1355 __u8 lap[3]; 1356 __u8 length; 1357 __u8 num_rsp; 1358 }; 1359 #define IREQ_CACHE_FLUSH 0x0001 1360 1361 extern int enable_hs; 1362 1363 #endif /* __HCI_H */ 1364