1 /* 2 BlueZ - Bluetooth protocol stack for Linux 3 Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved. 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_CORE_H 26 #define __HCI_CORE_H 27 28 #include <linux/idr.h> 29 #include <linux/leds.h> 30 #include <linux/rculist.h> 31 32 #include <net/bluetooth/hci.h> 33 #include <net/bluetooth/hci_sock.h> 34 35 /* HCI priority */ 36 #define HCI_PRIO_MAX 7 37 38 /* HCI Core structures */ 39 struct inquiry_data { 40 bdaddr_t bdaddr; 41 __u8 pscan_rep_mode; 42 __u8 pscan_period_mode; 43 __u8 pscan_mode; 44 __u8 dev_class[3]; 45 __le16 clock_offset; 46 __s8 rssi; 47 __u8 ssp_mode; 48 }; 49 50 struct inquiry_entry { 51 struct list_head all; /* inq_cache.all */ 52 struct list_head list; /* unknown or resolve */ 53 enum { 54 NAME_NOT_KNOWN, 55 NAME_NEEDED, 56 NAME_PENDING, 57 NAME_KNOWN, 58 } name_state; 59 __u32 timestamp; 60 struct inquiry_data data; 61 }; 62 63 struct discovery_state { 64 int type; 65 enum { 66 DISCOVERY_STOPPED, 67 DISCOVERY_STARTING, 68 DISCOVERY_FINDING, 69 DISCOVERY_RESOLVING, 70 DISCOVERY_STOPPING, 71 } state; 72 struct list_head all; /* All devices found during inquiry */ 73 struct list_head unknown; /* Name state not known */ 74 struct list_head resolve; /* Name needs to be resolved */ 75 __u32 timestamp; 76 bdaddr_t last_adv_addr; 77 u8 last_adv_addr_type; 78 s8 last_adv_rssi; 79 u32 last_adv_flags; 80 u8 last_adv_data[HCI_MAX_AD_LENGTH]; 81 u8 last_adv_data_len; 82 bool report_invalid_rssi; 83 bool result_filtering; 84 bool limited; 85 s8 rssi; 86 u16 uuid_count; 87 u8 (*uuids)[16]; 88 unsigned long scan_start; 89 unsigned long scan_duration; 90 }; 91 92 #define SUSPEND_NOTIFIER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ 93 94 enum suspend_tasks { 95 SUSPEND_PAUSE_DISCOVERY, 96 SUSPEND_UNPAUSE_DISCOVERY, 97 98 SUSPEND_PAUSE_ADVERTISING, 99 SUSPEND_UNPAUSE_ADVERTISING, 100 101 SUSPEND_SCAN_DISABLE, 102 SUSPEND_SCAN_ENABLE, 103 SUSPEND_DISCONNECTING, 104 105 SUSPEND_POWERING_DOWN, 106 107 SUSPEND_PREPARE_NOTIFIER, 108 109 SUSPEND_SET_ADV_FILTER, 110 __SUSPEND_NUM_TASKS 111 }; 112 113 enum suspended_state { 114 BT_RUNNING = 0, 115 BT_SUSPEND_DISCONNECT, 116 BT_SUSPEND_CONFIGURE_WAKE, 117 }; 118 119 struct hci_conn_hash { 120 struct list_head list; 121 unsigned int acl_num; 122 unsigned int amp_num; 123 unsigned int sco_num; 124 unsigned int le_num; 125 unsigned int le_num_peripheral; 126 }; 127 128 struct bdaddr_list { 129 struct list_head list; 130 bdaddr_t bdaddr; 131 u8 bdaddr_type; 132 }; 133 134 struct bdaddr_list_with_irk { 135 struct list_head list; 136 bdaddr_t bdaddr; 137 u8 bdaddr_type; 138 u8 peer_irk[16]; 139 u8 local_irk[16]; 140 }; 141 142 struct bdaddr_list_with_flags { 143 struct list_head list; 144 bdaddr_t bdaddr; 145 u8 bdaddr_type; 146 u32 current_flags; 147 }; 148 149 enum hci_conn_flags { 150 HCI_CONN_FLAG_REMOTE_WAKEUP, 151 HCI_CONN_FLAG_MAX 152 }; 153 154 #define hci_conn_test_flag(nr, flags) ((flags) & (1U << nr)) 155 156 /* Make sure number of flags doesn't exceed sizeof(current_flags) */ 157 static_assert(HCI_CONN_FLAG_MAX < 32); 158 159 struct bt_uuid { 160 struct list_head list; 161 u8 uuid[16]; 162 u8 size; 163 u8 svc_hint; 164 }; 165 166 struct blocked_key { 167 struct list_head list; 168 struct rcu_head rcu; 169 u8 type; 170 u8 val[16]; 171 }; 172 173 struct smp_csrk { 174 bdaddr_t bdaddr; 175 u8 bdaddr_type; 176 u8 type; 177 u8 val[16]; 178 }; 179 180 struct smp_ltk { 181 struct list_head list; 182 struct rcu_head rcu; 183 bdaddr_t bdaddr; 184 u8 bdaddr_type; 185 u8 authenticated; 186 u8 type; 187 u8 enc_size; 188 __le16 ediv; 189 __le64 rand; 190 u8 val[16]; 191 }; 192 193 struct smp_irk { 194 struct list_head list; 195 struct rcu_head rcu; 196 bdaddr_t rpa; 197 bdaddr_t bdaddr; 198 u8 addr_type; 199 u8 val[16]; 200 }; 201 202 struct link_key { 203 struct list_head list; 204 struct rcu_head rcu; 205 bdaddr_t bdaddr; 206 u8 type; 207 u8 val[HCI_LINK_KEY_SIZE]; 208 u8 pin_len; 209 }; 210 211 struct oob_data { 212 struct list_head list; 213 bdaddr_t bdaddr; 214 u8 bdaddr_type; 215 u8 present; 216 u8 hash192[16]; 217 u8 rand192[16]; 218 u8 hash256[16]; 219 u8 rand256[16]; 220 }; 221 222 struct adv_info { 223 struct list_head list; 224 bool pending; 225 __u8 instance; 226 __u32 flags; 227 __u16 timeout; 228 __u16 remaining_time; 229 __u16 duration; 230 __u16 adv_data_len; 231 __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 232 __u16 scan_rsp_len; 233 __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 234 __s8 tx_power; 235 __u32 min_interval; 236 __u32 max_interval; 237 bdaddr_t random_addr; 238 bool rpa_expired; 239 struct delayed_work rpa_expired_cb; 240 }; 241 242 #define HCI_MAX_ADV_INSTANCES 5 243 #define HCI_DEFAULT_ADV_DURATION 2 244 245 #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F 246 247 struct adv_pattern { 248 struct list_head list; 249 __u8 ad_type; 250 __u8 offset; 251 __u8 length; 252 __u8 value[HCI_MAX_AD_LENGTH]; 253 }; 254 255 struct adv_rssi_thresholds { 256 __s8 low_threshold; 257 __s8 high_threshold; 258 __u16 low_threshold_timeout; 259 __u16 high_threshold_timeout; 260 __u8 sampling_period; 261 }; 262 263 struct adv_monitor { 264 struct list_head patterns; 265 struct adv_rssi_thresholds rssi; 266 __u16 handle; 267 268 enum { 269 ADV_MONITOR_STATE_NOT_REGISTERED, 270 ADV_MONITOR_STATE_REGISTERED, 271 ADV_MONITOR_STATE_OFFLOADED 272 } state; 273 }; 274 275 #define HCI_MIN_ADV_MONITOR_HANDLE 1 276 #define HCI_MAX_ADV_MONITOR_NUM_HANDLES 32 277 #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS 16 278 #define HCI_ADV_MONITOR_EXT_NONE 1 279 #define HCI_ADV_MONITOR_EXT_MSFT 2 280 281 #define HCI_MAX_SHORT_NAME_LENGTH 10 282 283 /* Min encryption key size to match with SMP */ 284 #define HCI_MIN_ENC_KEY_SIZE 7 285 286 /* Default LE RPA expiry time, 15 minutes */ 287 #define HCI_DEFAULT_RPA_TIMEOUT (15 * 60) 288 289 /* Default min/max age of connection information (1s/3s) */ 290 #define DEFAULT_CONN_INFO_MIN_AGE 1000 291 #define DEFAULT_CONN_INFO_MAX_AGE 3000 292 /* Default authenticated payload timeout 30s */ 293 #define DEFAULT_AUTH_PAYLOAD_TIMEOUT 0x0bb8 294 295 struct amp_assoc { 296 __u16 len; 297 __u16 offset; 298 __u16 rem_len; 299 __u16 len_so_far; 300 __u8 data[HCI_MAX_AMP_ASSOC_SIZE]; 301 }; 302 303 #define HCI_MAX_PAGES 3 304 305 struct hci_dev { 306 struct list_head list; 307 struct mutex lock; 308 309 char name[8]; 310 unsigned long flags; 311 __u16 id; 312 __u8 bus; 313 __u8 dev_type; 314 bdaddr_t bdaddr; 315 bdaddr_t setup_addr; 316 bdaddr_t public_addr; 317 bdaddr_t random_addr; 318 bdaddr_t static_addr; 319 __u8 adv_addr_type; 320 __u8 dev_name[HCI_MAX_NAME_LENGTH]; 321 __u8 short_name[HCI_MAX_SHORT_NAME_LENGTH]; 322 __u8 eir[HCI_MAX_EIR_LENGTH]; 323 __u16 appearance; 324 __u8 dev_class[3]; 325 __u8 major_class; 326 __u8 minor_class; 327 __u8 max_page; 328 __u8 features[HCI_MAX_PAGES][8]; 329 __u8 le_features[8]; 330 __u8 le_accept_list_size; 331 __u8 le_resolv_list_size; 332 __u8 le_num_of_adv_sets; 333 __u8 le_states[8]; 334 __u8 commands[64]; 335 __u8 hci_ver; 336 __u16 hci_rev; 337 __u8 lmp_ver; 338 __u16 manufacturer; 339 __u16 lmp_subver; 340 __u16 voice_setting; 341 __u8 num_iac; 342 __u8 stored_max_keys; 343 __u8 stored_num_keys; 344 __u8 io_capability; 345 __s8 inq_tx_power; 346 __u8 err_data_reporting; 347 __u16 page_scan_interval; 348 __u16 page_scan_window; 349 __u8 page_scan_type; 350 __u8 le_adv_channel_map; 351 __u16 le_adv_min_interval; 352 __u16 le_adv_max_interval; 353 __u8 le_scan_type; 354 __u16 le_scan_interval; 355 __u16 le_scan_window; 356 __u16 le_scan_int_suspend; 357 __u16 le_scan_window_suspend; 358 __u16 le_scan_int_discovery; 359 __u16 le_scan_window_discovery; 360 __u16 le_scan_int_adv_monitor; 361 __u16 le_scan_window_adv_monitor; 362 __u16 le_scan_int_connect; 363 __u16 le_scan_window_connect; 364 __u16 le_conn_min_interval; 365 __u16 le_conn_max_interval; 366 __u16 le_conn_latency; 367 __u16 le_supv_timeout; 368 __u16 le_def_tx_len; 369 __u16 le_def_tx_time; 370 __u16 le_max_tx_len; 371 __u16 le_max_tx_time; 372 __u16 le_max_rx_len; 373 __u16 le_max_rx_time; 374 __u8 le_max_key_size; 375 __u8 le_min_key_size; 376 __u16 discov_interleaved_timeout; 377 __u16 conn_info_min_age; 378 __u16 conn_info_max_age; 379 __u16 auth_payload_timeout; 380 __u8 min_enc_key_size; 381 __u8 max_enc_key_size; 382 __u8 pairing_opts; 383 __u8 ssp_debug_mode; 384 __u8 hw_error_code; 385 __u32 clock; 386 __u16 advmon_allowlist_duration; 387 __u16 advmon_no_filter_duration; 388 __u8 enable_advmon_interleave_scan; 389 390 __u16 devid_source; 391 __u16 devid_vendor; 392 __u16 devid_product; 393 __u16 devid_version; 394 395 __u8 def_page_scan_type; 396 __u16 def_page_scan_int; 397 __u16 def_page_scan_window; 398 __u8 def_inq_scan_type; 399 __u16 def_inq_scan_int; 400 __u16 def_inq_scan_window; 401 __u16 def_br_lsto; 402 __u16 def_page_timeout; 403 __u16 def_multi_adv_rotation_duration; 404 __u16 def_le_autoconnect_timeout; 405 __s8 min_le_tx_power; 406 __s8 max_le_tx_power; 407 408 __u16 pkt_type; 409 __u16 esco_type; 410 __u16 link_policy; 411 __u16 link_mode; 412 413 __u32 idle_timeout; 414 __u16 sniff_min_interval; 415 __u16 sniff_max_interval; 416 417 __u8 amp_status; 418 __u32 amp_total_bw; 419 __u32 amp_max_bw; 420 __u32 amp_min_latency; 421 __u32 amp_max_pdu; 422 __u8 amp_type; 423 __u16 amp_pal_cap; 424 __u16 amp_assoc_size; 425 __u32 amp_max_flush_to; 426 __u32 amp_be_flush_to; 427 428 struct amp_assoc loc_assoc; 429 430 __u8 flow_ctl_mode; 431 432 unsigned int auto_accept_delay; 433 434 unsigned long quirks; 435 436 atomic_t cmd_cnt; 437 unsigned int acl_cnt; 438 unsigned int sco_cnt; 439 unsigned int le_cnt; 440 441 unsigned int acl_mtu; 442 unsigned int sco_mtu; 443 unsigned int le_mtu; 444 unsigned int acl_pkts; 445 unsigned int sco_pkts; 446 unsigned int le_pkts; 447 448 __u16 block_len; 449 __u16 block_mtu; 450 __u16 num_blocks; 451 __u16 block_cnt; 452 453 unsigned long acl_last_tx; 454 unsigned long sco_last_tx; 455 unsigned long le_last_tx; 456 457 __u8 le_tx_def_phys; 458 __u8 le_rx_def_phys; 459 460 struct workqueue_struct *workqueue; 461 struct workqueue_struct *req_workqueue; 462 463 struct work_struct power_on; 464 struct delayed_work power_off; 465 struct work_struct error_reset; 466 467 __u16 discov_timeout; 468 struct delayed_work discov_off; 469 470 struct delayed_work service_cache; 471 472 struct delayed_work cmd_timer; 473 struct delayed_work ncmd_timer; 474 475 struct work_struct rx_work; 476 struct work_struct cmd_work; 477 struct work_struct tx_work; 478 479 struct work_struct discov_update; 480 struct work_struct bg_scan_update; 481 struct work_struct scan_update; 482 struct work_struct connectable_update; 483 struct work_struct discoverable_update; 484 struct delayed_work le_scan_disable; 485 struct delayed_work le_scan_restart; 486 487 struct sk_buff_head rx_q; 488 struct sk_buff_head raw_q; 489 struct sk_buff_head cmd_q; 490 491 struct sk_buff *sent_cmd; 492 493 struct mutex req_lock; 494 wait_queue_head_t req_wait_q; 495 __u32 req_status; 496 __u32 req_result; 497 struct sk_buff *req_skb; 498 499 void *smp_data; 500 void *smp_bredr_data; 501 502 struct discovery_state discovery; 503 504 int discovery_old_state; 505 bool discovery_paused; 506 int advertising_old_state; 507 bool advertising_paused; 508 509 struct notifier_block suspend_notifier; 510 struct work_struct suspend_prepare; 511 enum suspended_state suspend_state_next; 512 enum suspended_state suspend_state; 513 bool scanning_paused; 514 bool suspended; 515 u8 wake_reason; 516 bdaddr_t wake_addr; 517 u8 wake_addr_type; 518 519 wait_queue_head_t suspend_wait_q; 520 DECLARE_BITMAP(suspend_tasks, __SUSPEND_NUM_TASKS); 521 522 struct hci_conn_hash conn_hash; 523 524 struct list_head mgmt_pending; 525 struct list_head reject_list; 526 struct list_head accept_list; 527 struct list_head uuids; 528 struct list_head link_keys; 529 struct list_head long_term_keys; 530 struct list_head identity_resolving_keys; 531 struct list_head remote_oob_data; 532 struct list_head le_accept_list; 533 struct list_head le_resolv_list; 534 struct list_head le_conn_params; 535 struct list_head pend_le_conns; 536 struct list_head pend_le_reports; 537 struct list_head blocked_keys; 538 539 struct hci_dev_stats stat; 540 541 atomic_t promisc; 542 543 const char *hw_info; 544 const char *fw_info; 545 struct dentry *debugfs; 546 547 struct device dev; 548 549 struct rfkill *rfkill; 550 551 DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 552 553 __s8 adv_tx_power; 554 __u8 adv_data[HCI_MAX_EXT_AD_LENGTH]; 555 __u8 adv_data_len; 556 __u8 scan_rsp_data[HCI_MAX_EXT_AD_LENGTH]; 557 __u8 scan_rsp_data_len; 558 559 struct list_head adv_instances; 560 unsigned int adv_instance_cnt; 561 __u8 cur_adv_instance; 562 __u16 adv_instance_timeout; 563 struct delayed_work adv_instance_expire; 564 565 struct idr adv_monitors_idr; 566 unsigned int adv_monitors_cnt; 567 568 __u8 irk[16]; 569 __u32 rpa_timeout; 570 struct delayed_work rpa_expired; 571 bdaddr_t rpa; 572 573 enum { 574 INTERLEAVE_SCAN_NONE, 575 INTERLEAVE_SCAN_NO_FILTER, 576 INTERLEAVE_SCAN_ALLOWLIST 577 } interleave_scan_state; 578 579 struct delayed_work interleave_scan; 580 581 #if IS_ENABLED(CONFIG_BT_LEDS) 582 struct led_trigger *power_led; 583 #endif 584 585 #if IS_ENABLED(CONFIG_BT_MSFTEXT) 586 __u16 msft_opcode; 587 void *msft_data; 588 bool msft_curve_validity; 589 #endif 590 591 #if IS_ENABLED(CONFIG_BT_AOSPEXT) 592 bool aosp_capable; 593 #endif 594 595 int (*open)(struct hci_dev *hdev); 596 int (*close)(struct hci_dev *hdev); 597 int (*flush)(struct hci_dev *hdev); 598 int (*setup)(struct hci_dev *hdev); 599 int (*shutdown)(struct hci_dev *hdev); 600 int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 601 void (*notify)(struct hci_dev *hdev, unsigned int evt); 602 void (*hw_error)(struct hci_dev *hdev, u8 code); 603 int (*post_init)(struct hci_dev *hdev); 604 int (*set_diag)(struct hci_dev *hdev, bool enable); 605 int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 606 void (*cmd_timeout)(struct hci_dev *hdev); 607 bool (*prevent_wake)(struct hci_dev *hdev); 608 }; 609 610 #define HCI_PHY_HANDLE(handle) (handle & 0xff) 611 612 enum conn_reasons { 613 CONN_REASON_PAIR_DEVICE, 614 CONN_REASON_L2CAP_CHAN, 615 CONN_REASON_SCO_CONNECT, 616 }; 617 618 struct hci_conn { 619 struct list_head list; 620 621 atomic_t refcnt; 622 623 bdaddr_t dst; 624 __u8 dst_type; 625 bdaddr_t src; 626 __u8 src_type; 627 bdaddr_t init_addr; 628 __u8 init_addr_type; 629 bdaddr_t resp_addr; 630 __u8 resp_addr_type; 631 __u16 handle; 632 __u16 state; 633 __u8 mode; 634 __u8 type; 635 __u8 role; 636 bool out; 637 __u8 attempt; 638 __u8 dev_class[3]; 639 __u8 features[HCI_MAX_PAGES][8]; 640 __u16 pkt_type; 641 __u16 link_policy; 642 __u8 key_type; 643 __u8 auth_type; 644 __u8 sec_level; 645 __u8 pending_sec_level; 646 __u8 pin_length; 647 __u8 enc_key_size; 648 __u8 io_capability; 649 __u32 passkey_notify; 650 __u8 passkey_entered; 651 __u16 disc_timeout; 652 __u16 conn_timeout; 653 __u16 setting; 654 __u16 auth_payload_timeout; 655 __u16 le_conn_min_interval; 656 __u16 le_conn_max_interval; 657 __u16 le_conn_interval; 658 __u16 le_conn_latency; 659 __u16 le_supv_timeout; 660 __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 661 __u8 le_adv_data_len; 662 __u8 le_tx_phy; 663 __u8 le_rx_phy; 664 __s8 rssi; 665 __s8 tx_power; 666 __s8 max_tx_power; 667 unsigned long flags; 668 669 enum conn_reasons conn_reason; 670 671 __u32 clock; 672 __u16 clock_accuracy; 673 674 unsigned long conn_info_timestamp; 675 676 __u8 remote_cap; 677 __u8 remote_auth; 678 __u8 remote_id; 679 680 unsigned int sent; 681 682 struct sk_buff_head data_q; 683 struct list_head chan_list; 684 685 struct delayed_work disc_work; 686 struct delayed_work auto_accept_work; 687 struct delayed_work idle_work; 688 struct delayed_work le_conn_timeout; 689 struct work_struct le_scan_cleanup; 690 691 struct device dev; 692 struct dentry *debugfs; 693 694 struct hci_dev *hdev; 695 void *l2cap_data; 696 void *sco_data; 697 struct amp_mgr *amp_mgr; 698 699 struct hci_conn *link; 700 701 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 702 void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 703 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 704 }; 705 706 struct hci_chan { 707 struct list_head list; 708 __u16 handle; 709 struct hci_conn *conn; 710 struct sk_buff_head data_q; 711 unsigned int sent; 712 __u8 state; 713 bool amp; 714 }; 715 716 struct hci_conn_params { 717 struct list_head list; 718 struct list_head action; 719 720 bdaddr_t addr; 721 u8 addr_type; 722 723 u16 conn_min_interval; 724 u16 conn_max_interval; 725 u16 conn_latency; 726 u16 supervision_timeout; 727 728 enum { 729 HCI_AUTO_CONN_DISABLED, 730 HCI_AUTO_CONN_REPORT, 731 HCI_AUTO_CONN_DIRECT, 732 HCI_AUTO_CONN_ALWAYS, 733 HCI_AUTO_CONN_LINK_LOSS, 734 HCI_AUTO_CONN_EXPLICIT, 735 } auto_connect; 736 737 struct hci_conn *conn; 738 bool explicit_connect; 739 u32 current_flags; 740 }; 741 742 extern struct list_head hci_dev_list; 743 extern struct list_head hci_cb_list; 744 extern rwlock_t hci_dev_list_lock; 745 extern struct mutex hci_cb_list_lock; 746 747 #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 748 #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 749 #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 750 #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 751 #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 752 #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 753 #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 754 755 #define hci_dev_clear_volatile_flags(hdev) \ 756 do { \ 757 hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 758 hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 759 hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 760 hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 761 } while (0) 762 763 /* ----- HCI interface to upper protocols ----- */ 764 int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 765 int l2cap_disconn_ind(struct hci_conn *hcon); 766 void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 767 768 #if IS_ENABLED(CONFIG_BT_BREDR) 769 int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 770 void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 771 #else 772 static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 773 __u8 *flags) 774 { 775 return 0; 776 } 777 778 static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 779 { 780 } 781 #endif 782 783 /* ----- Inquiry cache ----- */ 784 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 785 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 786 787 static inline void discovery_init(struct hci_dev *hdev) 788 { 789 hdev->discovery.state = DISCOVERY_STOPPED; 790 INIT_LIST_HEAD(&hdev->discovery.all); 791 INIT_LIST_HEAD(&hdev->discovery.unknown); 792 INIT_LIST_HEAD(&hdev->discovery.resolve); 793 hdev->discovery.report_invalid_rssi = true; 794 hdev->discovery.rssi = HCI_RSSI_INVALID; 795 } 796 797 static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 798 { 799 hdev->discovery.result_filtering = false; 800 hdev->discovery.report_invalid_rssi = true; 801 hdev->discovery.rssi = HCI_RSSI_INVALID; 802 hdev->discovery.uuid_count = 0; 803 kfree(hdev->discovery.uuids); 804 hdev->discovery.uuids = NULL; 805 hdev->discovery.scan_start = 0; 806 hdev->discovery.scan_duration = 0; 807 } 808 809 bool hci_discovery_active(struct hci_dev *hdev); 810 811 void hci_discovery_set_state(struct hci_dev *hdev, int state); 812 813 static inline int inquiry_cache_empty(struct hci_dev *hdev) 814 { 815 return list_empty(&hdev->discovery.all); 816 } 817 818 static inline long inquiry_cache_age(struct hci_dev *hdev) 819 { 820 struct discovery_state *c = &hdev->discovery; 821 return jiffies - c->timestamp; 822 } 823 824 static inline long inquiry_entry_age(struct inquiry_entry *e) 825 { 826 return jiffies - e->timestamp; 827 } 828 829 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 830 bdaddr_t *bdaddr); 831 struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 832 bdaddr_t *bdaddr); 833 struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 834 bdaddr_t *bdaddr, 835 int state); 836 void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 837 struct inquiry_entry *ie); 838 u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 839 bool name_known); 840 void hci_inquiry_cache_flush(struct hci_dev *hdev); 841 842 /* ----- HCI Connections ----- */ 843 enum { 844 HCI_CONN_AUTH_PEND, 845 HCI_CONN_REAUTH_PEND, 846 HCI_CONN_ENCRYPT_PEND, 847 HCI_CONN_RSWITCH_PEND, 848 HCI_CONN_MODE_CHANGE_PEND, 849 HCI_CONN_SCO_SETUP_PEND, 850 HCI_CONN_MGMT_CONNECTED, 851 HCI_CONN_SSP_ENABLED, 852 HCI_CONN_SC_ENABLED, 853 HCI_CONN_AES_CCM, 854 HCI_CONN_POWER_SAVE, 855 HCI_CONN_FLUSH_KEY, 856 HCI_CONN_ENCRYPT, 857 HCI_CONN_AUTH, 858 HCI_CONN_SECURE, 859 HCI_CONN_FIPS, 860 HCI_CONN_STK_ENCRYPT, 861 HCI_CONN_AUTH_INITIATOR, 862 HCI_CONN_DROP, 863 HCI_CONN_PARAM_REMOVAL_PEND, 864 HCI_CONN_NEW_LINK_KEY, 865 HCI_CONN_SCANNING, 866 HCI_CONN_AUTH_FAILURE, 867 }; 868 869 static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 870 { 871 struct hci_dev *hdev = conn->hdev; 872 return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 873 test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 874 } 875 876 static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 877 { 878 struct hci_dev *hdev = conn->hdev; 879 return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 880 test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 881 } 882 883 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 884 { 885 struct hci_conn_hash *h = &hdev->conn_hash; 886 list_add_rcu(&c->list, &h->list); 887 switch (c->type) { 888 case ACL_LINK: 889 h->acl_num++; 890 break; 891 case AMP_LINK: 892 h->amp_num++; 893 break; 894 case LE_LINK: 895 h->le_num++; 896 if (c->role == HCI_ROLE_SLAVE) 897 h->le_num_peripheral++; 898 break; 899 case SCO_LINK: 900 case ESCO_LINK: 901 h->sco_num++; 902 break; 903 } 904 } 905 906 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 907 { 908 struct hci_conn_hash *h = &hdev->conn_hash; 909 910 list_del_rcu(&c->list); 911 synchronize_rcu(); 912 913 switch (c->type) { 914 case ACL_LINK: 915 h->acl_num--; 916 break; 917 case AMP_LINK: 918 h->amp_num--; 919 break; 920 case LE_LINK: 921 h->le_num--; 922 if (c->role == HCI_ROLE_SLAVE) 923 h->le_num_peripheral--; 924 break; 925 case SCO_LINK: 926 case ESCO_LINK: 927 h->sco_num--; 928 break; 929 } 930 } 931 932 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 933 { 934 struct hci_conn_hash *h = &hdev->conn_hash; 935 switch (type) { 936 case ACL_LINK: 937 return h->acl_num; 938 case AMP_LINK: 939 return h->amp_num; 940 case LE_LINK: 941 return h->le_num; 942 case SCO_LINK: 943 case ESCO_LINK: 944 return h->sco_num; 945 default: 946 return 0; 947 } 948 } 949 950 static inline unsigned int hci_conn_count(struct hci_dev *hdev) 951 { 952 struct hci_conn_hash *c = &hdev->conn_hash; 953 954 return c->acl_num + c->amp_num + c->sco_num + c->le_num; 955 } 956 957 static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 958 { 959 struct hci_conn_hash *h = &hdev->conn_hash; 960 struct hci_conn *c; 961 __u8 type = INVALID_LINK; 962 963 rcu_read_lock(); 964 965 list_for_each_entry_rcu(c, &h->list, list) { 966 if (c->handle == handle) { 967 type = c->type; 968 break; 969 } 970 } 971 972 rcu_read_unlock(); 973 974 return type; 975 } 976 977 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 978 __u16 handle) 979 { 980 struct hci_conn_hash *h = &hdev->conn_hash; 981 struct hci_conn *c; 982 983 rcu_read_lock(); 984 985 list_for_each_entry_rcu(c, &h->list, list) { 986 if (c->handle == handle) { 987 rcu_read_unlock(); 988 return c; 989 } 990 } 991 rcu_read_unlock(); 992 993 return NULL; 994 } 995 996 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 997 __u8 type, bdaddr_t *ba) 998 { 999 struct hci_conn_hash *h = &hdev->conn_hash; 1000 struct hci_conn *c; 1001 1002 rcu_read_lock(); 1003 1004 list_for_each_entry_rcu(c, &h->list, list) { 1005 if (c->type == type && !bacmp(&c->dst, ba)) { 1006 rcu_read_unlock(); 1007 return c; 1008 } 1009 } 1010 1011 rcu_read_unlock(); 1012 1013 return NULL; 1014 } 1015 1016 static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 1017 bdaddr_t *ba, 1018 __u8 ba_type) 1019 { 1020 struct hci_conn_hash *h = &hdev->conn_hash; 1021 struct hci_conn *c; 1022 1023 rcu_read_lock(); 1024 1025 list_for_each_entry_rcu(c, &h->list, list) { 1026 if (c->type != LE_LINK) 1027 continue; 1028 1029 if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 1030 rcu_read_unlock(); 1031 return c; 1032 } 1033 } 1034 1035 rcu_read_unlock(); 1036 1037 return NULL; 1038 } 1039 1040 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 1041 __u8 type, __u16 state) 1042 { 1043 struct hci_conn_hash *h = &hdev->conn_hash; 1044 struct hci_conn *c; 1045 1046 rcu_read_lock(); 1047 1048 list_for_each_entry_rcu(c, &h->list, list) { 1049 if (c->type == type && c->state == state) { 1050 rcu_read_unlock(); 1051 return c; 1052 } 1053 } 1054 1055 rcu_read_unlock(); 1056 1057 return NULL; 1058 } 1059 1060 static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1061 { 1062 struct hci_conn_hash *h = &hdev->conn_hash; 1063 struct hci_conn *c; 1064 1065 rcu_read_lock(); 1066 1067 list_for_each_entry_rcu(c, &h->list, list) { 1068 if (c->type == LE_LINK && c->state == BT_CONNECT && 1069 !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1070 rcu_read_unlock(); 1071 return c; 1072 } 1073 } 1074 1075 rcu_read_unlock(); 1076 1077 return NULL; 1078 } 1079 1080 int hci_disconnect(struct hci_conn *conn, __u8 reason); 1081 bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1082 void hci_sco_setup(struct hci_conn *conn, __u8 status); 1083 1084 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1085 u8 role); 1086 int hci_conn_del(struct hci_conn *conn); 1087 void hci_conn_hash_flush(struct hci_dev *hdev); 1088 void hci_conn_check_pending(struct hci_dev *hdev); 1089 1090 struct hci_chan *hci_chan_create(struct hci_conn *conn); 1091 void hci_chan_del(struct hci_chan *chan); 1092 void hci_chan_list_flush(struct hci_conn *conn); 1093 struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 1094 1095 struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1096 u8 dst_type, u8 sec_level, 1097 u16 conn_timeout, 1098 enum conn_reasons conn_reason); 1099 struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1100 u8 dst_type, u8 sec_level, u16 conn_timeout, 1101 u8 role, bdaddr_t *direct_rpa); 1102 struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 1103 u8 sec_level, u8 auth_type, 1104 enum conn_reasons conn_reason); 1105 struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 1106 __u16 setting); 1107 int hci_conn_check_link_mode(struct hci_conn *conn); 1108 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1109 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1110 bool initiator); 1111 int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 1112 1113 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 1114 1115 void hci_le_conn_failed(struct hci_conn *conn, u8 status); 1116 1117 /* 1118 * hci_conn_get() and hci_conn_put() are used to control the life-time of an 1119 * "hci_conn" object. They do not guarantee that the hci_conn object is running, 1120 * working or anything else. They just guarantee that the object is available 1121 * and can be dereferenced. So you can use its locks, local variables and any 1122 * other constant data. 1123 * Before accessing runtime data, you _must_ lock the object and then check that 1124 * it is still running. As soon as you release the locks, the connection might 1125 * get dropped, though. 1126 * 1127 * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 1128 * how long the underlying connection is held. So every channel that runs on the 1129 * hci_conn object calls this to prevent the connection from disappearing. As 1130 * long as you hold a device, you must also guarantee that you have a valid 1131 * reference to the device via hci_conn_get() (or the initial reference from 1132 * hci_conn_add()). 1133 * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 1134 * break because nobody cares for that. But this means, we cannot use 1135 * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 1136 */ 1137 1138 static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 1139 { 1140 get_device(&conn->dev); 1141 return conn; 1142 } 1143 1144 static inline void hci_conn_put(struct hci_conn *conn) 1145 { 1146 put_device(&conn->dev); 1147 } 1148 1149 static inline void hci_conn_hold(struct hci_conn *conn) 1150 { 1151 BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 1152 1153 atomic_inc(&conn->refcnt); 1154 cancel_delayed_work(&conn->disc_work); 1155 } 1156 1157 static inline void hci_conn_drop(struct hci_conn *conn) 1158 { 1159 BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 1160 1161 if (atomic_dec_and_test(&conn->refcnt)) { 1162 unsigned long timeo; 1163 1164 switch (conn->type) { 1165 case ACL_LINK: 1166 case LE_LINK: 1167 cancel_delayed_work(&conn->idle_work); 1168 if (conn->state == BT_CONNECTED) { 1169 timeo = conn->disc_timeout; 1170 if (!conn->out) 1171 timeo *= 2; 1172 } else { 1173 timeo = 0; 1174 } 1175 break; 1176 1177 case AMP_LINK: 1178 timeo = conn->disc_timeout; 1179 break; 1180 1181 default: 1182 timeo = 0; 1183 break; 1184 } 1185 1186 cancel_delayed_work(&conn->disc_work); 1187 queue_delayed_work(conn->hdev->workqueue, 1188 &conn->disc_work, timeo); 1189 } 1190 } 1191 1192 /* ----- HCI Devices ----- */ 1193 static inline void hci_dev_put(struct hci_dev *d) 1194 { 1195 BT_DBG("%s orig refcnt %d", d->name, 1196 kref_read(&d->dev.kobj.kref)); 1197 1198 put_device(&d->dev); 1199 } 1200 1201 static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 1202 { 1203 BT_DBG("%s orig refcnt %d", d->name, 1204 kref_read(&d->dev.kobj.kref)); 1205 1206 get_device(&d->dev); 1207 return d; 1208 } 1209 1210 #define hci_dev_lock(d) mutex_lock(&d->lock) 1211 #define hci_dev_unlock(d) mutex_unlock(&d->lock) 1212 1213 #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 1214 #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1215 1216 static inline void *hci_get_drvdata(struct hci_dev *hdev) 1217 { 1218 return dev_get_drvdata(&hdev->dev); 1219 } 1220 1221 static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1222 { 1223 dev_set_drvdata(&hdev->dev, data); 1224 } 1225 1226 struct hci_dev *hci_dev_get(int index); 1227 struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 1228 1229 struct hci_dev *hci_alloc_dev(void); 1230 void hci_free_dev(struct hci_dev *hdev); 1231 int hci_register_dev(struct hci_dev *hdev); 1232 void hci_unregister_dev(struct hci_dev *hdev); 1233 void hci_cleanup_dev(struct hci_dev *hdev); 1234 int hci_suspend_dev(struct hci_dev *hdev); 1235 int hci_resume_dev(struct hci_dev *hdev); 1236 int hci_reset_dev(struct hci_dev *hdev); 1237 int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1238 int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 1239 __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 1240 __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1241 1242 static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1243 { 1244 #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1245 hdev->msft_opcode = opcode; 1246 #endif 1247 } 1248 1249 static inline void hci_set_aosp_capable(struct hci_dev *hdev) 1250 { 1251 #if IS_ENABLED(CONFIG_BT_AOSPEXT) 1252 hdev->aosp_capable = true; 1253 #endif 1254 } 1255 1256 int hci_dev_open(__u16 dev); 1257 int hci_dev_close(__u16 dev); 1258 int hci_dev_do_close(struct hci_dev *hdev); 1259 int hci_dev_reset(__u16 dev); 1260 int hci_dev_reset_stat(__u16 dev); 1261 int hci_dev_cmd(unsigned int cmd, void __user *arg); 1262 int hci_get_dev_list(void __user *arg); 1263 int hci_get_dev_info(void __user *arg); 1264 int hci_get_conn_list(void __user *arg); 1265 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 1266 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 1267 int hci_inquiry(void __user *arg); 1268 1269 struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1270 bdaddr_t *bdaddr, u8 type); 1271 struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1272 struct list_head *list, bdaddr_t *bdaddr, 1273 u8 type); 1274 struct bdaddr_list_with_flags * 1275 hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 1276 u8 type); 1277 int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1278 int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1279 u8 type, u8 *peer_irk, u8 *local_irk); 1280 int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 1281 u8 type, u32 flags); 1282 int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1283 int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1284 u8 type); 1285 int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 1286 u8 type); 1287 void hci_bdaddr_list_clear(struct list_head *list); 1288 1289 struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 1290 bdaddr_t *addr, u8 addr_type); 1291 struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 1292 bdaddr_t *addr, u8 addr_type); 1293 void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 1294 void hci_conn_params_clear_disabled(struct hci_dev *hdev); 1295 1296 struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1297 bdaddr_t *addr, 1298 u8 addr_type); 1299 1300 void hci_uuids_clear(struct hci_dev *hdev); 1301 1302 void hci_link_keys_clear(struct hci_dev *hdev); 1303 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1304 struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 1305 bdaddr_t *bdaddr, u8 *val, u8 type, 1306 u8 pin_len, bool *persistent); 1307 struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1308 u8 addr_type, u8 type, u8 authenticated, 1309 u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1310 struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1311 u8 addr_type, u8 role); 1312 int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 1313 void hci_smp_ltks_clear(struct hci_dev *hdev); 1314 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1315 1316 struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1317 struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1318 u8 addr_type); 1319 struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1320 u8 addr_type, u8 val[16], bdaddr_t *rpa); 1321 void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1322 bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1323 void hci_blocked_keys_clear(struct hci_dev *hdev); 1324 void hci_smp_irks_clear(struct hci_dev *hdev); 1325 1326 bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 1327 1328 void hci_remote_oob_data_clear(struct hci_dev *hdev); 1329 struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 1330 bdaddr_t *bdaddr, u8 bdaddr_type); 1331 int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 1332 u8 bdaddr_type, u8 *hash192, u8 *rand192, 1333 u8 *hash256, u8 *rand256); 1334 int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 1335 u8 bdaddr_type); 1336 1337 void hci_adv_instances_clear(struct hci_dev *hdev); 1338 struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1339 struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1340 int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1341 u16 adv_data_len, u8 *adv_data, 1342 u16 scan_rsp_len, u8 *scan_rsp_data, 1343 u16 timeout, u16 duration, s8 tx_power, 1344 u32 min_interval, u32 max_interval); 1345 int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance, 1346 u16 adv_data_len, u8 *adv_data, 1347 u16 scan_rsp_len, u8 *scan_rsp_data); 1348 int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1349 void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 1350 1351 void hci_adv_monitors_clear(struct hci_dev *hdev); 1352 void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1353 int hci_add_adv_patterns_monitor_complete(struct hci_dev *hdev, u8 status); 1354 int hci_remove_adv_monitor_complete(struct hci_dev *hdev, u8 status); 1355 bool hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor, 1356 int *err); 1357 bool hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle, int *err); 1358 bool hci_remove_all_adv_monitor(struct hci_dev *hdev, int *err); 1359 bool hci_is_adv_monitoring(struct hci_dev *hdev); 1360 int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev); 1361 1362 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 1363 1364 void hci_init_sysfs(struct hci_dev *hdev); 1365 void hci_conn_init_sysfs(struct hci_conn *conn); 1366 void hci_conn_add_sysfs(struct hci_conn *conn); 1367 void hci_conn_del_sysfs(struct hci_conn *conn); 1368 1369 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 1370 1371 /* ----- LMP capabilities ----- */ 1372 #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1373 #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1374 #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1375 #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1376 #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1377 #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1378 #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1379 #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1380 #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1381 #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1382 #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 1383 #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M) 1384 #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1385 #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1386 #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1387 #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1388 #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1389 #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1390 #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 1391 #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 1392 #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 1393 #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 1394 #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 1395 #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 1396 1397 /* ----- Extended LMP capabilities ----- */ 1398 #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL) 1399 #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL) 1400 #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 1401 #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1402 #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1403 #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 1404 1405 /* ----- Host capabilities ----- */ 1406 #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1407 #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1408 #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1409 #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1410 1411 #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1412 !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 1413 #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1414 hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1415 1416 #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 1417 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 1418 1419 #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 1420 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 1421 1422 #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 1423 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 1424 1425 /* Use LL Privacy based address resolution if supported */ 1426 #define use_ll_privacy(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1427 1428 /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1429 #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1430 ((dev)->commands[37] & 0x40)) 1431 /* Use ext create connection if command is supported */ 1432 #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1433 1434 /* Extended advertising support */ 1435 #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 1436 1437 /* ----- HCI protocols ----- */ 1438 #define HCI_PROTO_DEFER 0x01 1439 1440 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 1441 __u8 type, __u8 *flags) 1442 { 1443 switch (type) { 1444 case ACL_LINK: 1445 return l2cap_connect_ind(hdev, bdaddr); 1446 1447 case SCO_LINK: 1448 case ESCO_LINK: 1449 return sco_connect_ind(hdev, bdaddr, flags); 1450 1451 default: 1452 BT_ERR("unknown link type %d", type); 1453 return -EINVAL; 1454 } 1455 } 1456 1457 static inline int hci_proto_disconn_ind(struct hci_conn *conn) 1458 { 1459 if (conn->type != ACL_LINK && conn->type != LE_LINK) 1460 return HCI_ERROR_REMOTE_USER_TERM; 1461 1462 return l2cap_disconn_ind(conn); 1463 } 1464 1465 /* ----- HCI callbacks ----- */ 1466 struct hci_cb { 1467 struct list_head list; 1468 1469 char *name; 1470 1471 void (*connect_cfm) (struct hci_conn *conn, __u8 status); 1472 void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 1473 void (*security_cfm) (struct hci_conn *conn, __u8 status, 1474 __u8 encrypt); 1475 void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 1476 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 1477 }; 1478 1479 static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1480 { 1481 struct hci_cb *cb; 1482 1483 mutex_lock(&hci_cb_list_lock); 1484 list_for_each_entry(cb, &hci_cb_list, list) { 1485 if (cb->connect_cfm) 1486 cb->connect_cfm(conn, status); 1487 } 1488 mutex_unlock(&hci_cb_list_lock); 1489 1490 if (conn->connect_cfm_cb) 1491 conn->connect_cfm_cb(conn, status); 1492 } 1493 1494 static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 1495 { 1496 struct hci_cb *cb; 1497 1498 mutex_lock(&hci_cb_list_lock); 1499 list_for_each_entry(cb, &hci_cb_list, list) { 1500 if (cb->disconn_cfm) 1501 cb->disconn_cfm(conn, reason); 1502 } 1503 mutex_unlock(&hci_cb_list_lock); 1504 1505 if (conn->disconn_cfm_cb) 1506 conn->disconn_cfm_cb(conn, reason); 1507 } 1508 1509 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 1510 { 1511 struct hci_cb *cb; 1512 __u8 encrypt; 1513 1514 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 1515 return; 1516 1517 encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 1518 1519 mutex_lock(&hci_cb_list_lock); 1520 list_for_each_entry(cb, &hci_cb_list, list) { 1521 if (cb->security_cfm) 1522 cb->security_cfm(conn, status, encrypt); 1523 } 1524 mutex_unlock(&hci_cb_list_lock); 1525 1526 if (conn->security_cfm_cb) 1527 conn->security_cfm_cb(conn, status); 1528 } 1529 1530 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 1531 { 1532 struct hci_cb *cb; 1533 __u8 encrypt; 1534 1535 if (conn->state == BT_CONFIG) { 1536 if (!status) 1537 conn->state = BT_CONNECTED; 1538 1539 hci_connect_cfm(conn, status); 1540 hci_conn_drop(conn); 1541 return; 1542 } 1543 1544 if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 1545 encrypt = 0x00; 1546 else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 1547 encrypt = 0x02; 1548 else 1549 encrypt = 0x01; 1550 1551 if (!status) { 1552 if (conn->sec_level == BT_SECURITY_SDP) 1553 conn->sec_level = BT_SECURITY_LOW; 1554 1555 if (conn->pending_sec_level > conn->sec_level) 1556 conn->sec_level = conn->pending_sec_level; 1557 } 1558 1559 mutex_lock(&hci_cb_list_lock); 1560 list_for_each_entry(cb, &hci_cb_list, list) { 1561 if (cb->security_cfm) 1562 cb->security_cfm(conn, status, encrypt); 1563 } 1564 mutex_unlock(&hci_cb_list_lock); 1565 1566 if (conn->security_cfm_cb) 1567 conn->security_cfm_cb(conn, status); 1568 } 1569 1570 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 1571 { 1572 struct hci_cb *cb; 1573 1574 mutex_lock(&hci_cb_list_lock); 1575 list_for_each_entry(cb, &hci_cb_list, list) { 1576 if (cb->key_change_cfm) 1577 cb->key_change_cfm(conn, status); 1578 } 1579 mutex_unlock(&hci_cb_list_lock); 1580 } 1581 1582 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 1583 __u8 role) 1584 { 1585 struct hci_cb *cb; 1586 1587 mutex_lock(&hci_cb_list_lock); 1588 list_for_each_entry(cb, &hci_cb_list, list) { 1589 if (cb->role_switch_cfm) 1590 cb->role_switch_cfm(conn, status, role); 1591 } 1592 mutex_unlock(&hci_cb_list_lock); 1593 } 1594 1595 static inline void *eir_get_data(u8 *eir, size_t eir_len, u8 type, 1596 size_t *data_len) 1597 { 1598 size_t parsed = 0; 1599 1600 if (eir_len < 2) 1601 return NULL; 1602 1603 while (parsed < eir_len - 1) { 1604 u8 field_len = eir[0]; 1605 1606 if (field_len == 0) 1607 break; 1608 1609 parsed += field_len + 1; 1610 1611 if (parsed > eir_len) 1612 break; 1613 1614 if (eir[1] != type) { 1615 eir += field_len + 1; 1616 continue; 1617 } 1618 1619 /* Zero length data */ 1620 if (field_len == 1) 1621 return NULL; 1622 1623 if (data_len) 1624 *data_len = field_len - 1; 1625 1626 return &eir[2]; 1627 } 1628 1629 return NULL; 1630 } 1631 1632 static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1633 { 1634 if (addr_type != ADDR_LE_DEV_RANDOM) 1635 return false; 1636 1637 if ((bdaddr->b[5] & 0xc0) == 0x40) 1638 return true; 1639 1640 return false; 1641 } 1642 1643 static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1644 { 1645 if (addr_type == ADDR_LE_DEV_PUBLIC) 1646 return true; 1647 1648 /* Check for Random Static address type */ 1649 if ((addr->b[5] & 0xc0) == 0xc0) 1650 return true; 1651 1652 return false; 1653 } 1654 1655 static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 1656 bdaddr_t *bdaddr, u8 addr_type) 1657 { 1658 if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 1659 return NULL; 1660 1661 return hci_find_irk_by_rpa(hdev, bdaddr); 1662 } 1663 1664 static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1665 u16 to_multiplier) 1666 { 1667 u16 max_latency; 1668 1669 if (min > max || min < 6 || max > 3200) 1670 return -EINVAL; 1671 1672 if (to_multiplier < 10 || to_multiplier > 3200) 1673 return -EINVAL; 1674 1675 if (max >= to_multiplier * 8) 1676 return -EINVAL; 1677 1678 max_latency = (to_multiplier * 4 / max) - 1; 1679 if (latency > 499 || latency > max_latency) 1680 return -EINVAL; 1681 1682 return 0; 1683 } 1684 1685 int hci_register_cb(struct hci_cb *hcb); 1686 int hci_unregister_cb(struct hci_cb *hcb); 1687 1688 struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 1689 const void *param, u32 timeout); 1690 struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 1691 const void *param, u8 event, u32 timeout); 1692 int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1693 const void *param); 1694 1695 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 1696 const void *param); 1697 void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 1698 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 1699 1700 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 1701 1702 struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 1703 const void *param, u32 timeout); 1704 1705 u32 hci_conn_get_phy(struct hci_conn *conn); 1706 1707 /* ----- HCI Sockets ----- */ 1708 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 1709 void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1710 int flag, struct sock *skip_sk); 1711 void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 1712 void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 1713 void *data, u16 data_len, ktime_t tstamp, 1714 int flag, struct sock *skip_sk); 1715 1716 void hci_sock_dev_event(struct hci_dev *hdev, int event); 1717 1718 #define HCI_MGMT_VAR_LEN BIT(0) 1719 #define HCI_MGMT_NO_HDEV BIT(1) 1720 #define HCI_MGMT_UNTRUSTED BIT(2) 1721 #define HCI_MGMT_UNCONFIGURED BIT(3) 1722 #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 1723 1724 struct hci_mgmt_handler { 1725 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1726 u16 data_len); 1727 size_t data_len; 1728 unsigned long flags; 1729 }; 1730 1731 struct hci_mgmt_chan { 1732 struct list_head list; 1733 unsigned short channel; 1734 size_t handler_count; 1735 const struct hci_mgmt_handler *handlers; 1736 void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1737 }; 1738 1739 int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1740 void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1741 1742 /* Management interface */ 1743 #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1744 #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1745 BIT(BDADDR_LE_RANDOM)) 1746 #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1747 BIT(BDADDR_LE_PUBLIC) | \ 1748 BIT(BDADDR_LE_RANDOM)) 1749 1750 /* These LE scan and inquiry parameters were chosen according to LE General 1751 * Discovery Procedure specification. 1752 */ 1753 #define DISCOV_LE_SCAN_WIN 0x12 1754 #define DISCOV_LE_SCAN_INT 0x12 1755 #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1756 #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 1757 #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 1758 #define DISCOV_BREDR_INQUIRY_LEN 0x08 1759 #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 1760 #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */ 1761 #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */ 1762 1763 void mgmt_fill_version_info(void *ver); 1764 int mgmt_new_settings(struct hci_dev *hdev); 1765 void mgmt_index_added(struct hci_dev *hdev); 1766 void mgmt_index_removed(struct hci_dev *hdev); 1767 void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 1768 void mgmt_power_on(struct hci_dev *hdev, int err); 1769 void __mgmt_power_off(struct hci_dev *hdev); 1770 void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1771 bool persistent); 1772 void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 1773 u8 *name, u8 name_len); 1774 void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 1775 u8 link_type, u8 addr_type, u8 reason, 1776 bool mgmt_connected); 1777 void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 1778 u8 link_type, u8 addr_type, u8 status); 1779 void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1780 u8 addr_type, u8 status); 1781 void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1782 void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1783 u8 status); 1784 void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1785 u8 status); 1786 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1787 u8 link_type, u8 addr_type, u32 value, 1788 u8 confirm_hint); 1789 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1790 u8 link_type, u8 addr_type, u8 status); 1791 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1792 u8 link_type, u8 addr_type, u8 status); 1793 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1794 u8 link_type, u8 addr_type); 1795 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1796 u8 link_type, u8 addr_type, u8 status); 1797 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1798 u8 link_type, u8 addr_type, u8 status); 1799 int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 1800 u8 link_type, u8 addr_type, u32 passkey, 1801 u8 entered); 1802 void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1803 void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 1804 void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 1805 void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 1806 u8 status); 1807 void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1808 void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 1809 void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1810 void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1811 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1812 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 1813 void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1814 u8 addr_type, s8 rssi, u8 *name, u8 name_len); 1815 void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 1816 void mgmt_suspending(struct hci_dev *hdev, u8 state); 1817 void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, 1818 u8 addr_type); 1819 bool mgmt_powering_down(struct hci_dev *hdev); 1820 void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1821 void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 1822 void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 1823 bool persistent); 1824 void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1825 u8 bdaddr_type, u8 store_hint, u16 min_interval, 1826 u16 max_interval, u16 latency, u16 timeout); 1827 void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1828 bool mgmt_get_connectable(struct hci_dev *hdev); 1829 void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status); 1830 void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status); 1831 u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1832 void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1833 u8 instance); 1834 void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1835 u8 instance); 1836 void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle); 1837 int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 1838 int mgmt_add_adv_patterns_monitor_complete(struct hci_dev *hdev, u8 status); 1839 int mgmt_remove_adv_monitor_complete(struct hci_dev *hdev, u8 status); 1840 1841 u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 1842 u16 to_multiplier); 1843 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 1844 __u8 ltk[16], __u8 key_size); 1845 1846 void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1847 u8 *bdaddr_type); 1848 1849 #define SCO_AIRMODE_MASK 0x0003 1850 #define SCO_AIRMODE_CVSD 0x0000 1851 #define SCO_AIRMODE_TRANSP 0x0003 1852 1853 #endif /* __HCI_CORE_H */ 1854