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_slave; 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_AD_LENGTH]; 232 __u16 scan_rsp_len; 233 __u8 scan_rsp_data[HCI_MAX_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_white_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; 473 474 struct work_struct rx_work; 475 struct work_struct cmd_work; 476 struct work_struct tx_work; 477 478 struct work_struct discov_update; 479 struct work_struct bg_scan_update; 480 struct work_struct scan_update; 481 struct work_struct connectable_update; 482 struct work_struct discoverable_update; 483 struct delayed_work le_scan_disable; 484 struct delayed_work le_scan_restart; 485 486 struct sk_buff_head rx_q; 487 struct sk_buff_head raw_q; 488 struct sk_buff_head cmd_q; 489 490 struct sk_buff *sent_cmd; 491 492 struct mutex req_lock; 493 wait_queue_head_t req_wait_q; 494 __u32 req_status; 495 __u32 req_result; 496 struct sk_buff *req_skb; 497 498 void *smp_data; 499 void *smp_bredr_data; 500 501 struct discovery_state discovery; 502 503 int discovery_old_state; 504 bool discovery_paused; 505 int advertising_old_state; 506 bool advertising_paused; 507 508 struct notifier_block suspend_notifier; 509 struct work_struct suspend_prepare; 510 enum suspended_state suspend_state_next; 511 enum suspended_state suspend_state; 512 bool scanning_paused; 513 bool suspended; 514 u8 wake_reason; 515 bdaddr_t wake_addr; 516 u8 wake_addr_type; 517 518 wait_queue_head_t suspend_wait_q; 519 DECLARE_BITMAP(suspend_tasks, __SUSPEND_NUM_TASKS); 520 521 struct hci_conn_hash conn_hash; 522 523 struct list_head mgmt_pending; 524 struct list_head blacklist; 525 struct list_head whitelist; 526 struct list_head uuids; 527 struct list_head link_keys; 528 struct list_head long_term_keys; 529 struct list_head identity_resolving_keys; 530 struct list_head remote_oob_data; 531 struct list_head le_white_list; 532 struct list_head le_resolv_list; 533 struct list_head le_conn_params; 534 struct list_head pend_le_conns; 535 struct list_head pend_le_reports; 536 struct list_head blocked_keys; 537 538 struct hci_dev_stats stat; 539 540 atomic_t promisc; 541 542 const char *hw_info; 543 const char *fw_info; 544 struct dentry *debugfs; 545 546 struct device dev; 547 548 struct rfkill *rfkill; 549 550 DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS); 551 552 __s8 adv_tx_power; 553 __u8 adv_data[HCI_MAX_AD_LENGTH]; 554 __u8 adv_data_len; 555 __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; 556 __u8 scan_rsp_data_len; 557 558 struct list_head adv_instances; 559 unsigned int adv_instance_cnt; 560 __u8 cur_adv_instance; 561 __u16 adv_instance_timeout; 562 struct delayed_work adv_instance_expire; 563 564 struct idr adv_monitors_idr; 565 unsigned int adv_monitors_cnt; 566 567 __u8 irk[16]; 568 __u32 rpa_timeout; 569 struct delayed_work rpa_expired; 570 bdaddr_t rpa; 571 572 enum { 573 INTERLEAVE_SCAN_NONE, 574 INTERLEAVE_SCAN_NO_FILTER, 575 INTERLEAVE_SCAN_ALLOWLIST 576 } interleave_scan_state; 577 578 struct delayed_work interleave_scan; 579 580 #if IS_ENABLED(CONFIG_BT_LEDS) 581 struct led_trigger *power_led; 582 #endif 583 584 #if IS_ENABLED(CONFIG_BT_MSFTEXT) 585 __u16 msft_opcode; 586 void *msft_data; 587 bool msft_curve_validity; 588 #endif 589 590 #if IS_ENABLED(CONFIG_BT_AOSPEXT) 591 bool aosp_capable; 592 #endif 593 594 int (*open)(struct hci_dev *hdev); 595 int (*close)(struct hci_dev *hdev); 596 int (*flush)(struct hci_dev *hdev); 597 int (*setup)(struct hci_dev *hdev); 598 int (*shutdown)(struct hci_dev *hdev); 599 int (*send)(struct hci_dev *hdev, struct sk_buff *skb); 600 void (*notify)(struct hci_dev *hdev, unsigned int evt); 601 void (*hw_error)(struct hci_dev *hdev, u8 code); 602 int (*post_init)(struct hci_dev *hdev); 603 int (*set_diag)(struct hci_dev *hdev, bool enable); 604 int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr); 605 void (*cmd_timeout)(struct hci_dev *hdev); 606 bool (*prevent_wake)(struct hci_dev *hdev); 607 }; 608 609 #define HCI_PHY_HANDLE(handle) (handle & 0xff) 610 611 enum conn_reasons { 612 CONN_REASON_PAIR_DEVICE, 613 CONN_REASON_L2CAP_CHAN, 614 CONN_REASON_SCO_CONNECT, 615 }; 616 617 struct hci_conn { 618 struct list_head list; 619 620 atomic_t refcnt; 621 622 bdaddr_t dst; 623 __u8 dst_type; 624 bdaddr_t src; 625 __u8 src_type; 626 bdaddr_t init_addr; 627 __u8 init_addr_type; 628 bdaddr_t resp_addr; 629 __u8 resp_addr_type; 630 __u16 handle; 631 __u16 state; 632 __u8 mode; 633 __u8 type; 634 __u8 role; 635 bool out; 636 __u8 attempt; 637 __u8 dev_class[3]; 638 __u8 features[HCI_MAX_PAGES][8]; 639 __u16 pkt_type; 640 __u16 link_policy; 641 __u8 key_type; 642 __u8 auth_type; 643 __u8 sec_level; 644 __u8 pending_sec_level; 645 __u8 pin_length; 646 __u8 enc_key_size; 647 __u8 io_capability; 648 __u32 passkey_notify; 649 __u8 passkey_entered; 650 __u16 disc_timeout; 651 __u16 conn_timeout; 652 __u16 setting; 653 __u16 auth_payload_timeout; 654 __u16 le_conn_min_interval; 655 __u16 le_conn_max_interval; 656 __u16 le_conn_interval; 657 __u16 le_conn_latency; 658 __u16 le_supv_timeout; 659 __u8 le_adv_data[HCI_MAX_AD_LENGTH]; 660 __u8 le_adv_data_len; 661 __u8 le_tx_phy; 662 __u8 le_rx_phy; 663 __s8 rssi; 664 __s8 tx_power; 665 __s8 max_tx_power; 666 unsigned long flags; 667 668 enum conn_reasons conn_reason; 669 670 __u32 clock; 671 __u16 clock_accuracy; 672 673 unsigned long conn_info_timestamp; 674 675 __u8 remote_cap; 676 __u8 remote_auth; 677 __u8 remote_id; 678 679 unsigned int sent; 680 681 struct sk_buff_head data_q; 682 struct list_head chan_list; 683 684 struct delayed_work disc_work; 685 struct delayed_work auto_accept_work; 686 struct delayed_work idle_work; 687 struct delayed_work le_conn_timeout; 688 struct work_struct le_scan_cleanup; 689 690 struct device dev; 691 struct dentry *debugfs; 692 693 struct hci_dev *hdev; 694 void *l2cap_data; 695 void *sco_data; 696 struct amp_mgr *amp_mgr; 697 698 struct hci_conn *link; 699 700 void (*connect_cfm_cb) (struct hci_conn *conn, u8 status); 701 void (*security_cfm_cb) (struct hci_conn *conn, u8 status); 702 void (*disconn_cfm_cb) (struct hci_conn *conn, u8 reason); 703 }; 704 705 struct hci_chan { 706 struct list_head list; 707 __u16 handle; 708 struct hci_conn *conn; 709 struct sk_buff_head data_q; 710 unsigned int sent; 711 __u8 state; 712 bool amp; 713 }; 714 715 struct hci_conn_params { 716 struct list_head list; 717 struct list_head action; 718 719 bdaddr_t addr; 720 u8 addr_type; 721 722 u16 conn_min_interval; 723 u16 conn_max_interval; 724 u16 conn_latency; 725 u16 supervision_timeout; 726 727 enum { 728 HCI_AUTO_CONN_DISABLED, 729 HCI_AUTO_CONN_REPORT, 730 HCI_AUTO_CONN_DIRECT, 731 HCI_AUTO_CONN_ALWAYS, 732 HCI_AUTO_CONN_LINK_LOSS, 733 HCI_AUTO_CONN_EXPLICIT, 734 } auto_connect; 735 736 struct hci_conn *conn; 737 bool explicit_connect; 738 u32 current_flags; 739 }; 740 741 extern struct list_head hci_dev_list; 742 extern struct list_head hci_cb_list; 743 extern rwlock_t hci_dev_list_lock; 744 extern struct mutex hci_cb_list_lock; 745 746 #define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags) 747 #define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags) 748 #define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags) 749 #define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags) 750 #define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags) 751 #define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags) 752 #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags) 753 754 #define hci_dev_clear_volatile_flags(hdev) \ 755 do { \ 756 hci_dev_clear_flag(hdev, HCI_LE_SCAN); \ 757 hci_dev_clear_flag(hdev, HCI_LE_ADV); \ 758 hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\ 759 hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \ 760 } while (0) 761 762 /* ----- HCI interface to upper protocols ----- */ 763 int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr); 764 int l2cap_disconn_ind(struct hci_conn *hcon); 765 void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags); 766 767 #if IS_ENABLED(CONFIG_BT_BREDR) 768 int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags); 769 void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb); 770 #else 771 static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 772 __u8 *flags) 773 { 774 return 0; 775 } 776 777 static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb) 778 { 779 } 780 #endif 781 782 /* ----- Inquiry cache ----- */ 783 #define INQUIRY_CACHE_AGE_MAX (HZ*30) /* 30 seconds */ 784 #define INQUIRY_ENTRY_AGE_MAX (HZ*60) /* 60 seconds */ 785 786 static inline void discovery_init(struct hci_dev *hdev) 787 { 788 hdev->discovery.state = DISCOVERY_STOPPED; 789 INIT_LIST_HEAD(&hdev->discovery.all); 790 INIT_LIST_HEAD(&hdev->discovery.unknown); 791 INIT_LIST_HEAD(&hdev->discovery.resolve); 792 hdev->discovery.report_invalid_rssi = true; 793 hdev->discovery.rssi = HCI_RSSI_INVALID; 794 } 795 796 static inline void hci_discovery_filter_clear(struct hci_dev *hdev) 797 { 798 hdev->discovery.result_filtering = false; 799 hdev->discovery.report_invalid_rssi = true; 800 hdev->discovery.rssi = HCI_RSSI_INVALID; 801 hdev->discovery.uuid_count = 0; 802 kfree(hdev->discovery.uuids); 803 hdev->discovery.uuids = NULL; 804 hdev->discovery.scan_start = 0; 805 hdev->discovery.scan_duration = 0; 806 } 807 808 bool hci_discovery_active(struct hci_dev *hdev); 809 810 void hci_discovery_set_state(struct hci_dev *hdev, int state); 811 812 static inline int inquiry_cache_empty(struct hci_dev *hdev) 813 { 814 return list_empty(&hdev->discovery.all); 815 } 816 817 static inline long inquiry_cache_age(struct hci_dev *hdev) 818 { 819 struct discovery_state *c = &hdev->discovery; 820 return jiffies - c->timestamp; 821 } 822 823 static inline long inquiry_entry_age(struct inquiry_entry *e) 824 { 825 return jiffies - e->timestamp; 826 } 827 828 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, 829 bdaddr_t *bdaddr); 830 struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, 831 bdaddr_t *bdaddr); 832 struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, 833 bdaddr_t *bdaddr, 834 int state); 835 void hci_inquiry_cache_update_resolve(struct hci_dev *hdev, 836 struct inquiry_entry *ie); 837 u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, 838 bool name_known); 839 void hci_inquiry_cache_flush(struct hci_dev *hdev); 840 841 /* ----- HCI Connections ----- */ 842 enum { 843 HCI_CONN_AUTH_PEND, 844 HCI_CONN_REAUTH_PEND, 845 HCI_CONN_ENCRYPT_PEND, 846 HCI_CONN_RSWITCH_PEND, 847 HCI_CONN_MODE_CHANGE_PEND, 848 HCI_CONN_SCO_SETUP_PEND, 849 HCI_CONN_MGMT_CONNECTED, 850 HCI_CONN_SSP_ENABLED, 851 HCI_CONN_SC_ENABLED, 852 HCI_CONN_AES_CCM, 853 HCI_CONN_POWER_SAVE, 854 HCI_CONN_FLUSH_KEY, 855 HCI_CONN_ENCRYPT, 856 HCI_CONN_AUTH, 857 HCI_CONN_SECURE, 858 HCI_CONN_FIPS, 859 HCI_CONN_STK_ENCRYPT, 860 HCI_CONN_AUTH_INITIATOR, 861 HCI_CONN_DROP, 862 HCI_CONN_PARAM_REMOVAL_PEND, 863 HCI_CONN_NEW_LINK_KEY, 864 HCI_CONN_SCANNING, 865 HCI_CONN_AUTH_FAILURE, 866 }; 867 868 static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) 869 { 870 struct hci_dev *hdev = conn->hdev; 871 return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) && 872 test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); 873 } 874 875 static inline bool hci_conn_sc_enabled(struct hci_conn *conn) 876 { 877 struct hci_dev *hdev = conn->hdev; 878 return hci_dev_test_flag(hdev, HCI_SC_ENABLED) && 879 test_bit(HCI_CONN_SC_ENABLED, &conn->flags); 880 } 881 882 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) 883 { 884 struct hci_conn_hash *h = &hdev->conn_hash; 885 list_add_rcu(&c->list, &h->list); 886 switch (c->type) { 887 case ACL_LINK: 888 h->acl_num++; 889 break; 890 case AMP_LINK: 891 h->amp_num++; 892 break; 893 case LE_LINK: 894 h->le_num++; 895 if (c->role == HCI_ROLE_SLAVE) 896 h->le_num_slave++; 897 break; 898 case SCO_LINK: 899 case ESCO_LINK: 900 h->sco_num++; 901 break; 902 } 903 } 904 905 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) 906 { 907 struct hci_conn_hash *h = &hdev->conn_hash; 908 909 list_del_rcu(&c->list); 910 synchronize_rcu(); 911 912 switch (c->type) { 913 case ACL_LINK: 914 h->acl_num--; 915 break; 916 case AMP_LINK: 917 h->amp_num--; 918 break; 919 case LE_LINK: 920 h->le_num--; 921 if (c->role == HCI_ROLE_SLAVE) 922 h->le_num_slave--; 923 break; 924 case SCO_LINK: 925 case ESCO_LINK: 926 h->sco_num--; 927 break; 928 } 929 } 930 931 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) 932 { 933 struct hci_conn_hash *h = &hdev->conn_hash; 934 switch (type) { 935 case ACL_LINK: 936 return h->acl_num; 937 case AMP_LINK: 938 return h->amp_num; 939 case LE_LINK: 940 return h->le_num; 941 case SCO_LINK: 942 case ESCO_LINK: 943 return h->sco_num; 944 default: 945 return 0; 946 } 947 } 948 949 static inline unsigned int hci_conn_count(struct hci_dev *hdev) 950 { 951 struct hci_conn_hash *c = &hdev->conn_hash; 952 953 return c->acl_num + c->amp_num + c->sco_num + c->le_num; 954 } 955 956 static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle) 957 { 958 struct hci_conn_hash *h = &hdev->conn_hash; 959 struct hci_conn *c; 960 __u8 type = INVALID_LINK; 961 962 rcu_read_lock(); 963 964 list_for_each_entry_rcu(c, &h->list, list) { 965 if (c->handle == handle) { 966 type = c->type; 967 break; 968 } 969 } 970 971 rcu_read_unlock(); 972 973 return type; 974 } 975 976 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, 977 __u16 handle) 978 { 979 struct hci_conn_hash *h = &hdev->conn_hash; 980 struct hci_conn *c; 981 982 rcu_read_lock(); 983 984 list_for_each_entry_rcu(c, &h->list, list) { 985 if (c->handle == handle) { 986 rcu_read_unlock(); 987 return c; 988 } 989 } 990 rcu_read_unlock(); 991 992 return NULL; 993 } 994 995 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev, 996 __u8 type, bdaddr_t *ba) 997 { 998 struct hci_conn_hash *h = &hdev->conn_hash; 999 struct hci_conn *c; 1000 1001 rcu_read_lock(); 1002 1003 list_for_each_entry_rcu(c, &h->list, list) { 1004 if (c->type == type && !bacmp(&c->dst, ba)) { 1005 rcu_read_unlock(); 1006 return c; 1007 } 1008 } 1009 1010 rcu_read_unlock(); 1011 1012 return NULL; 1013 } 1014 1015 static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev, 1016 bdaddr_t *ba, 1017 __u8 ba_type) 1018 { 1019 struct hci_conn_hash *h = &hdev->conn_hash; 1020 struct hci_conn *c; 1021 1022 rcu_read_lock(); 1023 1024 list_for_each_entry_rcu(c, &h->list, list) { 1025 if (c->type != LE_LINK) 1026 continue; 1027 1028 if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) { 1029 rcu_read_unlock(); 1030 return c; 1031 } 1032 } 1033 1034 rcu_read_unlock(); 1035 1036 return NULL; 1037 } 1038 1039 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, 1040 __u8 type, __u16 state) 1041 { 1042 struct hci_conn_hash *h = &hdev->conn_hash; 1043 struct hci_conn *c; 1044 1045 rcu_read_lock(); 1046 1047 list_for_each_entry_rcu(c, &h->list, list) { 1048 if (c->type == type && c->state == state) { 1049 rcu_read_unlock(); 1050 return c; 1051 } 1052 } 1053 1054 rcu_read_unlock(); 1055 1056 return NULL; 1057 } 1058 1059 static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) 1060 { 1061 struct hci_conn_hash *h = &hdev->conn_hash; 1062 struct hci_conn *c; 1063 1064 rcu_read_lock(); 1065 1066 list_for_each_entry_rcu(c, &h->list, list) { 1067 if (c->type == LE_LINK && c->state == BT_CONNECT && 1068 !test_bit(HCI_CONN_SCANNING, &c->flags)) { 1069 rcu_read_unlock(); 1070 return c; 1071 } 1072 } 1073 1074 rcu_read_unlock(); 1075 1076 return NULL; 1077 } 1078 1079 int hci_disconnect(struct hci_conn *conn, __u8 reason); 1080 bool hci_setup_sync(struct hci_conn *conn, __u16 handle); 1081 void hci_sco_setup(struct hci_conn *conn, __u8 status); 1082 1083 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, 1084 u8 role); 1085 int hci_conn_del(struct hci_conn *conn); 1086 void hci_conn_hash_flush(struct hci_dev *hdev); 1087 void hci_conn_check_pending(struct hci_dev *hdev); 1088 1089 struct hci_chan *hci_chan_create(struct hci_conn *conn); 1090 void hci_chan_del(struct hci_chan *chan); 1091 void hci_chan_list_flush(struct hci_conn *conn); 1092 struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); 1093 1094 struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, 1095 u8 dst_type, u8 sec_level, 1096 u16 conn_timeout, 1097 enum conn_reasons conn_reason); 1098 struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, 1099 u8 dst_type, u8 sec_level, u16 conn_timeout, 1100 u8 role, bdaddr_t *direct_rpa); 1101 struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, 1102 u8 sec_level, u8 auth_type, 1103 enum conn_reasons conn_reason); 1104 struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, 1105 __u16 setting); 1106 int hci_conn_check_link_mode(struct hci_conn *conn); 1107 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level); 1108 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type, 1109 bool initiator); 1110 int hci_conn_switch_role(struct hci_conn *conn, __u8 role); 1111 1112 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active); 1113 1114 void hci_le_conn_failed(struct hci_conn *conn, u8 status); 1115 1116 /* 1117 * hci_conn_get() and hci_conn_put() are used to control the life-time of an 1118 * "hci_conn" object. They do not guarantee that the hci_conn object is running, 1119 * working or anything else. They just guarantee that the object is available 1120 * and can be dereferenced. So you can use its locks, local variables and any 1121 * other constant data. 1122 * Before accessing runtime data, you _must_ lock the object and then check that 1123 * it is still running. As soon as you release the locks, the connection might 1124 * get dropped, though. 1125 * 1126 * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control 1127 * how long the underlying connection is held. So every channel that runs on the 1128 * hci_conn object calls this to prevent the connection from disappearing. As 1129 * long as you hold a device, you must also guarantee that you have a valid 1130 * reference to the device via hci_conn_get() (or the initial reference from 1131 * hci_conn_add()). 1132 * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't 1133 * break because nobody cares for that. But this means, we cannot use 1134 * _get()/_drop() in it, but require the caller to have a valid ref (FIXME). 1135 */ 1136 1137 static inline struct hci_conn *hci_conn_get(struct hci_conn *conn) 1138 { 1139 get_device(&conn->dev); 1140 return conn; 1141 } 1142 1143 static inline void hci_conn_put(struct hci_conn *conn) 1144 { 1145 put_device(&conn->dev); 1146 } 1147 1148 static inline void hci_conn_hold(struct hci_conn *conn) 1149 { 1150 BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 1151 1152 atomic_inc(&conn->refcnt); 1153 cancel_delayed_work(&conn->disc_work); 1154 } 1155 1156 static inline void hci_conn_drop(struct hci_conn *conn) 1157 { 1158 BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt)); 1159 1160 if (atomic_dec_and_test(&conn->refcnt)) { 1161 unsigned long timeo; 1162 1163 switch (conn->type) { 1164 case ACL_LINK: 1165 case LE_LINK: 1166 cancel_delayed_work(&conn->idle_work); 1167 if (conn->state == BT_CONNECTED) { 1168 timeo = conn->disc_timeout; 1169 if (!conn->out) 1170 timeo *= 2; 1171 } else { 1172 timeo = 0; 1173 } 1174 break; 1175 1176 case AMP_LINK: 1177 timeo = conn->disc_timeout; 1178 break; 1179 1180 default: 1181 timeo = 0; 1182 break; 1183 } 1184 1185 cancel_delayed_work(&conn->disc_work); 1186 queue_delayed_work(conn->hdev->workqueue, 1187 &conn->disc_work, timeo); 1188 } 1189 } 1190 1191 /* ----- HCI Devices ----- */ 1192 static inline void hci_dev_put(struct hci_dev *d) 1193 { 1194 BT_DBG("%s orig refcnt %d", d->name, 1195 kref_read(&d->dev.kobj.kref)); 1196 1197 put_device(&d->dev); 1198 } 1199 1200 static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) 1201 { 1202 BT_DBG("%s orig refcnt %d", d->name, 1203 kref_read(&d->dev.kobj.kref)); 1204 1205 get_device(&d->dev); 1206 return d; 1207 } 1208 1209 #define hci_dev_lock(d) mutex_lock(&d->lock) 1210 #define hci_dev_unlock(d) mutex_unlock(&d->lock) 1211 1212 #define to_hci_dev(d) container_of(d, struct hci_dev, dev) 1213 #define to_hci_conn(c) container_of(c, struct hci_conn, dev) 1214 1215 static inline void *hci_get_drvdata(struct hci_dev *hdev) 1216 { 1217 return dev_get_drvdata(&hdev->dev); 1218 } 1219 1220 static inline void hci_set_drvdata(struct hci_dev *hdev, void *data) 1221 { 1222 dev_set_drvdata(&hdev->dev, data); 1223 } 1224 1225 struct hci_dev *hci_dev_get(int index); 1226 struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type); 1227 1228 struct hci_dev *hci_alloc_dev(void); 1229 void hci_free_dev(struct hci_dev *hdev); 1230 int hci_register_dev(struct hci_dev *hdev); 1231 void hci_unregister_dev(struct hci_dev *hdev); 1232 int hci_suspend_dev(struct hci_dev *hdev); 1233 int hci_resume_dev(struct hci_dev *hdev); 1234 int hci_reset_dev(struct hci_dev *hdev); 1235 int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb); 1236 int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb); 1237 __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...); 1238 __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...); 1239 1240 static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode) 1241 { 1242 #if IS_ENABLED(CONFIG_BT_MSFTEXT) 1243 hdev->msft_opcode = opcode; 1244 #endif 1245 } 1246 1247 static inline void hci_set_aosp_capable(struct hci_dev *hdev) 1248 { 1249 #if IS_ENABLED(CONFIG_BT_AOSPEXT) 1250 hdev->aosp_capable = true; 1251 #endif 1252 } 1253 1254 int hci_dev_open(__u16 dev); 1255 int hci_dev_close(__u16 dev); 1256 int hci_dev_do_close(struct hci_dev *hdev); 1257 int hci_dev_reset(__u16 dev); 1258 int hci_dev_reset_stat(__u16 dev); 1259 int hci_dev_cmd(unsigned int cmd, void __user *arg); 1260 int hci_get_dev_list(void __user *arg); 1261 int hci_get_dev_info(void __user *arg); 1262 int hci_get_conn_list(void __user *arg); 1263 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg); 1264 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg); 1265 int hci_inquiry(void __user *arg); 1266 1267 struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list, 1268 bdaddr_t *bdaddr, u8 type); 1269 struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk( 1270 struct list_head *list, bdaddr_t *bdaddr, 1271 u8 type); 1272 struct bdaddr_list_with_flags * 1273 hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr, 1274 u8 type); 1275 int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1276 int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1277 u8 type, u8 *peer_irk, u8 *local_irk); 1278 int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr, 1279 u8 type, u32 flags); 1280 int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type); 1281 int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr, 1282 u8 type); 1283 int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr, 1284 u8 type); 1285 void hci_bdaddr_list_clear(struct list_head *list); 1286 1287 struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev, 1288 bdaddr_t *addr, u8 addr_type); 1289 struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev, 1290 bdaddr_t *addr, u8 addr_type); 1291 void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type); 1292 void hci_conn_params_clear_disabled(struct hci_dev *hdev); 1293 1294 struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list, 1295 bdaddr_t *addr, 1296 u8 addr_type); 1297 1298 void hci_uuids_clear(struct hci_dev *hdev); 1299 1300 void hci_link_keys_clear(struct hci_dev *hdev); 1301 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1302 struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, 1303 bdaddr_t *bdaddr, u8 *val, u8 type, 1304 u8 pin_len, bool *persistent); 1305 struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1306 u8 addr_type, u8 type, u8 authenticated, 1307 u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand); 1308 struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1309 u8 addr_type, u8 role); 1310 int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type); 1311 void hci_smp_ltks_clear(struct hci_dev *hdev); 1312 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr); 1313 1314 struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa); 1315 struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr, 1316 u8 addr_type); 1317 struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, 1318 u8 addr_type, u8 val[16], bdaddr_t *rpa); 1319 void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type); 1320 bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]); 1321 void hci_blocked_keys_clear(struct hci_dev *hdev); 1322 void hci_smp_irks_clear(struct hci_dev *hdev); 1323 1324 bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type); 1325 1326 void hci_remote_oob_data_clear(struct hci_dev *hdev); 1327 struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, 1328 bdaddr_t *bdaddr, u8 bdaddr_type); 1329 int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 1330 u8 bdaddr_type, u8 *hash192, u8 *rand192, 1331 u8 *hash256, u8 *rand256); 1332 int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, 1333 u8 bdaddr_type); 1334 1335 void hci_adv_instances_clear(struct hci_dev *hdev); 1336 struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance); 1337 struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance); 1338 int hci_add_adv_instance(struct hci_dev *hdev, u8 instance, u32 flags, 1339 u16 adv_data_len, u8 *adv_data, 1340 u16 scan_rsp_len, u8 *scan_rsp_data, 1341 u16 timeout, u16 duration, s8 tx_power, 1342 u32 min_interval, u32 max_interval); 1343 int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance, 1344 u16 adv_data_len, u8 *adv_data, 1345 u16 scan_rsp_len, u8 *scan_rsp_data); 1346 int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance); 1347 void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired); 1348 1349 void hci_adv_monitors_clear(struct hci_dev *hdev); 1350 void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor); 1351 int hci_add_adv_patterns_monitor_complete(struct hci_dev *hdev, u8 status); 1352 int hci_remove_adv_monitor_complete(struct hci_dev *hdev, u8 status); 1353 bool hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor, 1354 int *err); 1355 bool hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle, int *err); 1356 bool hci_remove_all_adv_monitor(struct hci_dev *hdev, int *err); 1357 bool hci_is_adv_monitoring(struct hci_dev *hdev); 1358 int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev); 1359 1360 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb); 1361 1362 void hci_init_sysfs(struct hci_dev *hdev); 1363 void hci_conn_init_sysfs(struct hci_conn *conn); 1364 void hci_conn_add_sysfs(struct hci_conn *conn); 1365 void hci_conn_del_sysfs(struct hci_conn *conn); 1366 1367 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev)) 1368 1369 /* ----- LMP capabilities ----- */ 1370 #define lmp_encrypt_capable(dev) ((dev)->features[0][0] & LMP_ENCRYPT) 1371 #define lmp_rswitch_capable(dev) ((dev)->features[0][0] & LMP_RSWITCH) 1372 #define lmp_hold_capable(dev) ((dev)->features[0][0] & LMP_HOLD) 1373 #define lmp_sniff_capable(dev) ((dev)->features[0][0] & LMP_SNIFF) 1374 #define lmp_park_capable(dev) ((dev)->features[0][1] & LMP_PARK) 1375 #define lmp_inq_rssi_capable(dev) ((dev)->features[0][3] & LMP_RSSI_INQ) 1376 #define lmp_esco_capable(dev) ((dev)->features[0][3] & LMP_ESCO) 1377 #define lmp_bredr_capable(dev) (!((dev)->features[0][4] & LMP_NO_BREDR)) 1378 #define lmp_le_capable(dev) ((dev)->features[0][4] & LMP_LE) 1379 #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR) 1380 #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC) 1381 #define lmp_esco_2m_capable(dev) ((dev)->features[0][5] & LMP_EDR_ESCO_2M) 1382 #define lmp_ext_inq_capable(dev) ((dev)->features[0][6] & LMP_EXT_INQ) 1383 #define lmp_le_br_capable(dev) (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR)) 1384 #define lmp_ssp_capable(dev) ((dev)->features[0][6] & LMP_SIMPLE_PAIR) 1385 #define lmp_no_flush_capable(dev) ((dev)->features[0][6] & LMP_NO_FLUSH) 1386 #define lmp_lsto_capable(dev) ((dev)->features[0][7] & LMP_LSTO) 1387 #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR) 1388 #define lmp_ext_feat_capable(dev) ((dev)->features[0][7] & LMP_EXTFEATURES) 1389 #define lmp_transp_capable(dev) ((dev)->features[0][2] & LMP_TRANSPARENT) 1390 #define lmp_edr_2m_capable(dev) ((dev)->features[0][3] & LMP_EDR_2M) 1391 #define lmp_edr_3m_capable(dev) ((dev)->features[0][3] & LMP_EDR_3M) 1392 #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT) 1393 #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT) 1394 1395 /* ----- Extended LMP capabilities ----- */ 1396 #define lmp_csb_master_capable(dev) ((dev)->features[2][0] & LMP_CSB_MASTER) 1397 #define lmp_csb_slave_capable(dev) ((dev)->features[2][0] & LMP_CSB_SLAVE) 1398 #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN) 1399 #define lmp_sync_scan_capable(dev) ((dev)->features[2][0] & LMP_SYNC_SCAN) 1400 #define lmp_sc_capable(dev) ((dev)->features[2][1] & LMP_SC) 1401 #define lmp_ping_capable(dev) ((dev)->features[2][1] & LMP_PING) 1402 1403 /* ----- Host capabilities ----- */ 1404 #define lmp_host_ssp_capable(dev) ((dev)->features[1][0] & LMP_HOST_SSP) 1405 #define lmp_host_sc_capable(dev) ((dev)->features[1][0] & LMP_HOST_SC) 1406 #define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE)) 1407 #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR)) 1408 1409 #define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \ 1410 !hci_dev_test_flag(dev, HCI_AUTO_OFF)) 1411 #define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \ 1412 hci_dev_test_flag(dev, HCI_SC_ENABLED)) 1413 1414 #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \ 1415 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M)) 1416 1417 #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \ 1418 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M)) 1419 1420 #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \ 1421 ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED)) 1422 1423 /* Use LL Privacy based address resolution if supported */ 1424 #define use_ll_privacy(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY) 1425 1426 /* Use ext scanning if set ext scan param and ext scan enable is supported */ 1427 #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \ 1428 ((dev)->commands[37] & 0x40)) 1429 /* Use ext create connection if command is supported */ 1430 #define use_ext_conn(dev) ((dev)->commands[37] & 0x80) 1431 1432 /* Extended advertising support */ 1433 #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV)) 1434 1435 /* ----- HCI protocols ----- */ 1436 #define HCI_PROTO_DEFER 0x01 1437 1438 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, 1439 __u8 type, __u8 *flags) 1440 { 1441 switch (type) { 1442 case ACL_LINK: 1443 return l2cap_connect_ind(hdev, bdaddr); 1444 1445 case SCO_LINK: 1446 case ESCO_LINK: 1447 return sco_connect_ind(hdev, bdaddr, flags); 1448 1449 default: 1450 BT_ERR("unknown link type %d", type); 1451 return -EINVAL; 1452 } 1453 } 1454 1455 static inline int hci_proto_disconn_ind(struct hci_conn *conn) 1456 { 1457 if (conn->type != ACL_LINK && conn->type != LE_LINK) 1458 return HCI_ERROR_REMOTE_USER_TERM; 1459 1460 return l2cap_disconn_ind(conn); 1461 } 1462 1463 /* ----- HCI callbacks ----- */ 1464 struct hci_cb { 1465 struct list_head list; 1466 1467 char *name; 1468 1469 void (*connect_cfm) (struct hci_conn *conn, __u8 status); 1470 void (*disconn_cfm) (struct hci_conn *conn, __u8 status); 1471 void (*security_cfm) (struct hci_conn *conn, __u8 status, 1472 __u8 encrypt); 1473 void (*key_change_cfm) (struct hci_conn *conn, __u8 status); 1474 void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role); 1475 }; 1476 1477 static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status) 1478 { 1479 struct hci_cb *cb; 1480 1481 mutex_lock(&hci_cb_list_lock); 1482 list_for_each_entry(cb, &hci_cb_list, list) { 1483 if (cb->connect_cfm) 1484 cb->connect_cfm(conn, status); 1485 } 1486 mutex_unlock(&hci_cb_list_lock); 1487 1488 if (conn->connect_cfm_cb) 1489 conn->connect_cfm_cb(conn, status); 1490 } 1491 1492 static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason) 1493 { 1494 struct hci_cb *cb; 1495 1496 mutex_lock(&hci_cb_list_lock); 1497 list_for_each_entry(cb, &hci_cb_list, list) { 1498 if (cb->disconn_cfm) 1499 cb->disconn_cfm(conn, reason); 1500 } 1501 mutex_unlock(&hci_cb_list_lock); 1502 1503 if (conn->disconn_cfm_cb) 1504 conn->disconn_cfm_cb(conn, reason); 1505 } 1506 1507 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status) 1508 { 1509 struct hci_cb *cb; 1510 __u8 encrypt; 1511 1512 if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) 1513 return; 1514 1515 encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00; 1516 1517 mutex_lock(&hci_cb_list_lock); 1518 list_for_each_entry(cb, &hci_cb_list, list) { 1519 if (cb->security_cfm) 1520 cb->security_cfm(conn, status, encrypt); 1521 } 1522 mutex_unlock(&hci_cb_list_lock); 1523 1524 if (conn->security_cfm_cb) 1525 conn->security_cfm_cb(conn, status); 1526 } 1527 1528 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status) 1529 { 1530 struct hci_cb *cb; 1531 __u8 encrypt; 1532 1533 if (conn->state == BT_CONFIG) { 1534 if (!status) 1535 conn->state = BT_CONNECTED; 1536 1537 hci_connect_cfm(conn, status); 1538 hci_conn_drop(conn); 1539 return; 1540 } 1541 1542 if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags)) 1543 encrypt = 0x00; 1544 else if (test_bit(HCI_CONN_AES_CCM, &conn->flags)) 1545 encrypt = 0x02; 1546 else 1547 encrypt = 0x01; 1548 1549 if (!status) { 1550 if (conn->sec_level == BT_SECURITY_SDP) 1551 conn->sec_level = BT_SECURITY_LOW; 1552 1553 if (conn->pending_sec_level > conn->sec_level) 1554 conn->sec_level = conn->pending_sec_level; 1555 } 1556 1557 mutex_lock(&hci_cb_list_lock); 1558 list_for_each_entry(cb, &hci_cb_list, list) { 1559 if (cb->security_cfm) 1560 cb->security_cfm(conn, status, encrypt); 1561 } 1562 mutex_unlock(&hci_cb_list_lock); 1563 1564 if (conn->security_cfm_cb) 1565 conn->security_cfm_cb(conn, status); 1566 } 1567 1568 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status) 1569 { 1570 struct hci_cb *cb; 1571 1572 mutex_lock(&hci_cb_list_lock); 1573 list_for_each_entry(cb, &hci_cb_list, list) { 1574 if (cb->key_change_cfm) 1575 cb->key_change_cfm(conn, status); 1576 } 1577 mutex_unlock(&hci_cb_list_lock); 1578 } 1579 1580 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status, 1581 __u8 role) 1582 { 1583 struct hci_cb *cb; 1584 1585 mutex_lock(&hci_cb_list_lock); 1586 list_for_each_entry(cb, &hci_cb_list, list) { 1587 if (cb->role_switch_cfm) 1588 cb->role_switch_cfm(conn, status, role); 1589 } 1590 mutex_unlock(&hci_cb_list_lock); 1591 } 1592 1593 static inline void *eir_get_data(u8 *eir, size_t eir_len, u8 type, 1594 size_t *data_len) 1595 { 1596 size_t parsed = 0; 1597 1598 if (eir_len < 2) 1599 return NULL; 1600 1601 while (parsed < eir_len - 1) { 1602 u8 field_len = eir[0]; 1603 1604 if (field_len == 0) 1605 break; 1606 1607 parsed += field_len + 1; 1608 1609 if (parsed > eir_len) 1610 break; 1611 1612 if (eir[1] != type) { 1613 eir += field_len + 1; 1614 continue; 1615 } 1616 1617 /* Zero length data */ 1618 if (field_len == 1) 1619 return NULL; 1620 1621 if (data_len) 1622 *data_len = field_len - 1; 1623 1624 return &eir[2]; 1625 } 1626 1627 return NULL; 1628 } 1629 1630 static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type) 1631 { 1632 if (addr_type != ADDR_LE_DEV_RANDOM) 1633 return false; 1634 1635 if ((bdaddr->b[5] & 0xc0) == 0x40) 1636 return true; 1637 1638 return false; 1639 } 1640 1641 static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type) 1642 { 1643 if (addr_type == ADDR_LE_DEV_PUBLIC) 1644 return true; 1645 1646 /* Check for Random Static address type */ 1647 if ((addr->b[5] & 0xc0) == 0xc0) 1648 return true; 1649 1650 return false; 1651 } 1652 1653 static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev, 1654 bdaddr_t *bdaddr, u8 addr_type) 1655 { 1656 if (!hci_bdaddr_is_rpa(bdaddr, addr_type)) 1657 return NULL; 1658 1659 return hci_find_irk_by_rpa(hdev, bdaddr); 1660 } 1661 1662 static inline int hci_check_conn_params(u16 min, u16 max, u16 latency, 1663 u16 to_multiplier) 1664 { 1665 u16 max_latency; 1666 1667 if (min > max || min < 6 || max > 3200) 1668 return -EINVAL; 1669 1670 if (to_multiplier < 10 || to_multiplier > 3200) 1671 return -EINVAL; 1672 1673 if (max >= to_multiplier * 8) 1674 return -EINVAL; 1675 1676 max_latency = (to_multiplier * 4 / max) - 1; 1677 if (latency > 499 || latency > max_latency) 1678 return -EINVAL; 1679 1680 return 0; 1681 } 1682 1683 int hci_register_cb(struct hci_cb *hcb); 1684 int hci_unregister_cb(struct hci_cb *hcb); 1685 1686 struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 1687 const void *param, u32 timeout); 1688 struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, 1689 const void *param, u8 event, u32 timeout); 1690 int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen, 1691 const void *param); 1692 1693 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, 1694 const void *param); 1695 void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags); 1696 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); 1697 1698 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); 1699 1700 struct sk_buff *hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, 1701 const void *param, u32 timeout); 1702 1703 u32 hci_conn_get_phy(struct hci_conn *conn); 1704 1705 /* ----- HCI Sockets ----- */ 1706 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb); 1707 void hci_send_to_channel(unsigned short channel, struct sk_buff *skb, 1708 int flag, struct sock *skip_sk); 1709 void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb); 1710 void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event, 1711 void *data, u16 data_len, ktime_t tstamp, 1712 int flag, struct sock *skip_sk); 1713 1714 void hci_sock_dev_event(struct hci_dev *hdev, int event); 1715 1716 #define HCI_MGMT_VAR_LEN BIT(0) 1717 #define HCI_MGMT_NO_HDEV BIT(1) 1718 #define HCI_MGMT_UNTRUSTED BIT(2) 1719 #define HCI_MGMT_UNCONFIGURED BIT(3) 1720 #define HCI_MGMT_HDEV_OPTIONAL BIT(4) 1721 1722 struct hci_mgmt_handler { 1723 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, 1724 u16 data_len); 1725 size_t data_len; 1726 unsigned long flags; 1727 }; 1728 1729 struct hci_mgmt_chan { 1730 struct list_head list; 1731 unsigned short channel; 1732 size_t handler_count; 1733 const struct hci_mgmt_handler *handlers; 1734 void (*hdev_init) (struct sock *sk, struct hci_dev *hdev); 1735 }; 1736 1737 int hci_mgmt_chan_register(struct hci_mgmt_chan *c); 1738 void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c); 1739 1740 /* Management interface */ 1741 #define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR)) 1742 #define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \ 1743 BIT(BDADDR_LE_RANDOM)) 1744 #define DISCOV_TYPE_INTERLEAVED (BIT(BDADDR_BREDR) | \ 1745 BIT(BDADDR_LE_PUBLIC) | \ 1746 BIT(BDADDR_LE_RANDOM)) 1747 1748 /* These LE scan and inquiry parameters were chosen according to LE General 1749 * Discovery Procedure specification. 1750 */ 1751 #define DISCOV_LE_SCAN_WIN 0x12 1752 #define DISCOV_LE_SCAN_INT 0x12 1753 #define DISCOV_LE_TIMEOUT 10240 /* msec */ 1754 #define DISCOV_INTERLEAVED_TIMEOUT 5120 /* msec */ 1755 #define DISCOV_INTERLEAVED_INQUIRY_LEN 0x04 1756 #define DISCOV_BREDR_INQUIRY_LEN 0x08 1757 #define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */ 1758 #define DISCOV_LE_FAST_ADV_INT_MIN 0x00A0 /* 100 msec */ 1759 #define DISCOV_LE_FAST_ADV_INT_MAX 0x00F0 /* 150 msec */ 1760 1761 void mgmt_fill_version_info(void *ver); 1762 int mgmt_new_settings(struct hci_dev *hdev); 1763 void mgmt_index_added(struct hci_dev *hdev); 1764 void mgmt_index_removed(struct hci_dev *hdev); 1765 void mgmt_set_powered_failed(struct hci_dev *hdev, int err); 1766 void mgmt_power_on(struct hci_dev *hdev, int err); 1767 void __mgmt_power_off(struct hci_dev *hdev); 1768 void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, 1769 bool persistent); 1770 void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, 1771 u32 flags, u8 *name, u8 name_len); 1772 void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, 1773 u8 link_type, u8 addr_type, u8 reason, 1774 bool mgmt_connected); 1775 void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, 1776 u8 link_type, u8 addr_type, u8 status); 1777 void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1778 u8 addr_type, u8 status); 1779 void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure); 1780 void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1781 u8 status); 1782 void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1783 u8 status); 1784 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1785 u8 link_type, u8 addr_type, u32 value, 1786 u8 confirm_hint); 1787 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1788 u8 link_type, u8 addr_type, u8 status); 1789 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1790 u8 link_type, u8 addr_type, u8 status); 1791 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, 1792 u8 link_type, u8 addr_type); 1793 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1794 u8 link_type, u8 addr_type, u8 status); 1795 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, 1796 u8 link_type, u8 addr_type, u8 status); 1797 int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, 1798 u8 link_type, u8 addr_type, u32 passkey, 1799 u8 entered); 1800 void mgmt_auth_failed(struct hci_conn *conn, u8 status); 1801 void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); 1802 void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status); 1803 void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, 1804 u8 status); 1805 void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status); 1806 void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status); 1807 void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status); 1808 void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1809 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, 1810 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len); 1811 void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 1812 u8 addr_type, s8 rssi, u8 *name, u8 name_len); 1813 void mgmt_discovering(struct hci_dev *hdev, u8 discovering); 1814 void mgmt_suspending(struct hci_dev *hdev, u8 state); 1815 void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr, 1816 u8 addr_type); 1817 bool mgmt_powering_down(struct hci_dev *hdev); 1818 void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent); 1819 void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent); 1820 void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk, 1821 bool persistent); 1822 void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr, 1823 u8 bdaddr_type, u8 store_hint, u16 min_interval, 1824 u16 max_interval, u16 latency, u16 timeout); 1825 void mgmt_smp_complete(struct hci_conn *conn, bool complete); 1826 bool mgmt_get_connectable(struct hci_dev *hdev); 1827 void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status); 1828 void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status); 1829 u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev); 1830 void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev, 1831 u8 instance); 1832 void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev, 1833 u8 instance); 1834 void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle); 1835 int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip); 1836 int mgmt_add_adv_patterns_monitor_complete(struct hci_dev *hdev, u8 status); 1837 int mgmt_remove_adv_monitor_complete(struct hci_dev *hdev, u8 status); 1838 1839 u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency, 1840 u16 to_multiplier); 1841 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand, 1842 __u8 ltk[16], __u8 key_size); 1843 1844 void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr, 1845 u8 *bdaddr_type); 1846 1847 #define SCO_AIRMODE_MASK 0x0003 1848 #define SCO_AIRMODE_CVSD 0x0000 1849 #define SCO_AIRMODE_TRANSP 0x0003 1850 1851 #endif /* __HCI_CORE_H */ 1852