include/net/bluetooth/hci_core.h

   1 /*
   2    BlueZ - Bluetooth protocol stack for Linux
   3    Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
   4    Copyright 2023 NXP
   5
   6    Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License version 2 as
  10    published by the Free Software Foundation;
  11
  12    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  13    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  14    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
  15    IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
  16    CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
  17    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  18    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  19    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  20
  21    ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
  22    COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
  23    SOFTWARE IS DISCLAIMED.
  24 */
  25
  26 #ifndef __HCI_CORE_H
  27 #define __HCI_CORE_H
  28
  29 #include <linux/idr.h>
  30 #include <linux/leds.h>
  31 #include <linux/rculist.h>
  32
  33 #include <net/bluetooth/hci.h>
  34 #include <net/bluetooth/hci_sync.h>
  35 #include <net/bluetooth/hci_sock.h>
  36 #include <net/bluetooth/coredump.h>
  37
  38 /* HCI priority */
  39 #define HCI_PRIO_MAX    7
  40
  41 /* HCI maximum id value */
  42 #define HCI_MAX_ID 10000
  43
  44 /* HCI Core structures */
  45 struct inquiry_data {
  46         bdaddr_t        bdaddr;
  47         __u8            pscan_rep_mode;
  48         __u8            pscan_period_mode;
  49         __u8            pscan_mode;
  50         __u8            dev_class[3];
  51         __le16          clock_offset;
  52         __s8            rssi;
  53         __u8            ssp_mode;
  54 };
  55
  56 struct inquiry_entry {
  57         struct list_head        all;            /* inq_cache.all */
  58         struct list_head        list;           /* unknown or resolve */
  59         enum {
  60                 NAME_NOT_KNOWN,
  61                 NAME_NEEDED,
  62                 NAME_PENDING,
  63                 NAME_KNOWN,
  64         } name_state;
  65         __u32                   timestamp;
  66         struct inquiry_data     data;
  67 };
  68
  69 struct discovery_state {
  70         int                     type;
  71         enum {
  72                 DISCOVERY_STOPPED,
  73                 DISCOVERY_STARTING,
  74                 DISCOVERY_FINDING,
  75                 DISCOVERY_RESOLVING,
  76                 DISCOVERY_STOPPING,
  77         } state;
  78         struct list_head        all;    /* All devices found during inquiry */
  79         struct list_head        unknown;        /* Name state not known */
  80         struct list_head        resolve;        /* Name needs to be resolved */
  81         __u32                   timestamp;
  82         bdaddr_t                last_adv_addr;
  83         u8                      last_adv_addr_type;
  84         s8                      last_adv_rssi;
  85         u32                     last_adv_flags;
  86         u8                      last_adv_data[HCI_MAX_EXT_AD_LENGTH];
  87         u8                      last_adv_data_len;
  88         bool                    report_invalid_rssi;
  89         bool                    result_filtering;
  90         bool                    limited;
  91         s8                      rssi;
  92         u16                     uuid_count;
  93         u8                      (*uuids)[16];
  94         unsigned long           scan_start;
  95         unsigned long           scan_duration;
  96         unsigned long           name_resolve_timeout;
  97 };
  98
  99 #define SUSPEND_NOTIFIER_TIMEOUT        msecs_to_jiffies(2000) /* 2 seconds */
 100
 101 enum suspend_tasks {
 102         SUSPEND_PAUSE_DISCOVERY,
 103         SUSPEND_UNPAUSE_DISCOVERY,
 104
 105         SUSPEND_PAUSE_ADVERTISING,
 106         SUSPEND_UNPAUSE_ADVERTISING,
 107
 108         SUSPEND_SCAN_DISABLE,
 109         SUSPEND_SCAN_ENABLE,
 110         SUSPEND_DISCONNECTING,
 111
 112         SUSPEND_POWERING_DOWN,
 113
 114         SUSPEND_PREPARE_NOTIFIER,
 115
 116         SUSPEND_SET_ADV_FILTER,
 117         __SUSPEND_NUM_TASKS
 118 };
 119
 120 enum suspended_state {
 121         BT_RUNNING = 0,
 122         BT_SUSPEND_DISCONNECT,
 123         BT_SUSPEND_CONFIGURE_WAKE,
 124 };
 125
 126 struct hci_conn_hash {
 127         struct list_head list;
 128         unsigned int     acl_num;
 129         unsigned int     amp_num;
 130         unsigned int     sco_num;
 131         unsigned int     iso_num;
 132         unsigned int     le_num;
 133         unsigned int     le_num_peripheral;
 134 };
 135
 136 struct bdaddr_list {
 137         struct list_head list;
 138         bdaddr_t bdaddr;
 139         u8 bdaddr_type;
 140 };
 141
 142 struct codec_list {
 143         struct list_head list;
 144         u8      id;
 145         __u16   cid;
 146         __u16   vid;
 147         u8      transport;
 148         u8      num_caps;
 149         u32     len;
 150         struct hci_codec_caps caps[];
 151 };
 152
 153 struct bdaddr_list_with_irk {
 154         struct list_head list;
 155         bdaddr_t bdaddr;
 156         u8 bdaddr_type;
 157         u8 peer_irk[16];
 158         u8 local_irk[16];
 159 };
 160
 161 /* Bitmask of connection flags */
 162 enum hci_conn_flags {
 163         HCI_CONN_FLAG_REMOTE_WAKEUP = 1,
 164         HCI_CONN_FLAG_DEVICE_PRIVACY = 2,
 165 };
 166 typedef u8 hci_conn_flags_t;
 167
 168 struct bdaddr_list_with_flags {
 169         struct list_head list;
 170         bdaddr_t bdaddr;
 171         u8 bdaddr_type;
 172         hci_conn_flags_t flags;
 173 };
 174
 175 struct bt_uuid {
 176         struct list_head list;
 177         u8 uuid[16];
 178         u8 size;
 179         u8 svc_hint;
 180 };
 181
 182 struct blocked_key {
 183         struct list_head list;
 184         struct rcu_head rcu;
 185         u8 type;
 186         u8 val[16];
 187 };
 188
 189 struct smp_csrk {
 190         bdaddr_t bdaddr;
 191         u8 bdaddr_type;
 192         u8 link_type;
 193         u8 type;
 194         u8 val[16];
 195 };
 196
 197 struct smp_ltk {
 198         struct list_head list;
 199         struct rcu_head rcu;
 200         bdaddr_t bdaddr;
 201         u8 bdaddr_type;
 202         u8 link_type;
 203         u8 authenticated;
 204         u8 type;
 205         u8 enc_size;
 206         __le16 ediv;
 207         __le64 rand;
 208         u8 val[16];
 209 };
 210
 211 struct smp_irk {
 212         struct list_head list;
 213         struct rcu_head rcu;
 214         bdaddr_t rpa;
 215         bdaddr_t bdaddr;
 216         u8 addr_type;
 217         u8 link_type;
 218         u8 val[16];
 219 };
 220
 221 struct link_key {
 222         struct list_head list;
 223         struct rcu_head rcu;
 224         bdaddr_t bdaddr;
 225         u8 bdaddr_type;
 226         u8 link_type;
 227         u8 type;
 228         u8 val[HCI_LINK_KEY_SIZE];
 229         u8 pin_len;
 230 };
 231
 232 struct oob_data {
 233         struct list_head list;
 234         bdaddr_t bdaddr;
 235         u8 bdaddr_type;
 236         u8 present;
 237         u8 hash192[16];
 238         u8 rand192[16];
 239         u8 hash256[16];
 240         u8 rand256[16];
 241 };
 242
 243 struct adv_info {
 244         struct list_head list;
 245         bool    enabled;
 246         bool    pending;
 247         bool    periodic;
 248         __u8    mesh;
 249         __u8    instance;
 250         __u32   flags;
 251         __u16   timeout;
 252         __u16   remaining_time;
 253         __u16   duration;
 254         __u16   adv_data_len;
 255         __u8    adv_data[HCI_MAX_EXT_AD_LENGTH];
 256         bool    adv_data_changed;
 257         __u16   scan_rsp_len;
 258         __u8    scan_rsp_data[HCI_MAX_EXT_AD_LENGTH];
 259         bool    scan_rsp_changed;
 260         __u16   per_adv_data_len;
 261         __u8    per_adv_data[HCI_MAX_PER_AD_LENGTH];
 262         __s8    tx_power;
 263         __u32   min_interval;
 264         __u32   max_interval;
 265         bdaddr_t        random_addr;
 266         bool            rpa_expired;
 267         struct delayed_work     rpa_expired_cb;
 268 };
 269
 270 #define HCI_MAX_ADV_INSTANCES           5
 271 #define HCI_DEFAULT_ADV_DURATION        2
 272
 273 #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F
 274
 275 #define DATA_CMP(_d1, _l1, _d2, _l2) \
 276         (_l1 == _l2 ? memcmp(_d1, _d2, _l1) : _l1 - _l2)
 277
 278 #define ADV_DATA_CMP(_adv, _data, _len) \
 279         DATA_CMP((_adv)->adv_data, (_adv)->adv_data_len, _data, _len)
 280
 281 #define SCAN_RSP_CMP(_adv, _data, _len) \
 282         DATA_CMP((_adv)->scan_rsp_data, (_adv)->scan_rsp_len, _data, _len)
 283
 284 struct monitored_device {
 285         struct list_head list;
 286
 287         bdaddr_t bdaddr;
 288         __u8     addr_type;
 289         __u16    handle;
 290         bool     notified;
 291 };
 292
 293 struct adv_pattern {
 294         struct list_head list;
 295         __u8 ad_type;
 296         __u8 offset;
 297         __u8 length;
 298         __u8 value[HCI_MAX_EXT_AD_LENGTH];
 299 };
 300
 301 struct adv_rssi_thresholds {
 302         __s8 low_threshold;
 303         __s8 high_threshold;
 304         __u16 low_threshold_timeout;
 305         __u16 high_threshold_timeout;
 306         __u8 sampling_period;
 307 };
 308
 309 struct adv_monitor {
 310         struct list_head patterns;
 311         struct adv_rssi_thresholds rssi;
 312         __u16           handle;
 313
 314         enum {
 315                 ADV_MONITOR_STATE_NOT_REGISTERED,
 316                 ADV_MONITOR_STATE_REGISTERED,
 317                 ADV_MONITOR_STATE_OFFLOADED
 318         } state;
 319 };
 320
 321 #define HCI_MIN_ADV_MONITOR_HANDLE              1
 322 #define HCI_MAX_ADV_MONITOR_NUM_HANDLES         32
 323 #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS        16
 324 #define HCI_ADV_MONITOR_EXT_NONE                1
 325 #define HCI_ADV_MONITOR_EXT_MSFT                2
 326
 327 #define HCI_MAX_SHORT_NAME_LENGTH       10
 328
 329 #define HCI_CONN_HANDLE_MAX             0x0eff
 330 #define HCI_CONN_HANDLE_UNSET(_handle)  (_handle > HCI_CONN_HANDLE_MAX)
 331
 332 /* Min encryption key size to match with SMP */
 333 #define HCI_MIN_ENC_KEY_SIZE            7
 334
 335 /* Default LE RPA expiry time, 15 minutes */
 336 #define HCI_DEFAULT_RPA_TIMEOUT         (15 * 60)
 337
 338 /* Default min/max age of connection information (1s/3s) */
 339 #define DEFAULT_CONN_INFO_MIN_AGE       1000
 340 #define DEFAULT_CONN_INFO_MAX_AGE       3000
 341 /* Default authenticated payload timeout 30s */
 342 #define DEFAULT_AUTH_PAYLOAD_TIMEOUT   0x0bb8
 343
 344 struct amp_assoc {
 345         __u16   len;
 346         __u16   offset;
 347         __u16   rem_len;
 348         __u16   len_so_far;
 349         __u8    data[HCI_MAX_AMP_ASSOC_SIZE];
 350 };
 351
 352 #define HCI_MAX_PAGES   3
 353
 354 #ifdef TIZEN_BT
 355 #define HCI_MAX_EIR_MANUFACTURER_DATA_LENGTH    100
 356 #endif
 357
 358 struct hci_dev {
 359         struct list_head list;
 360         struct mutex    lock;
 361
 362         struct ida      unset_handle_ida;
 363
 364         const char      *name;
 365         unsigned long   flags;
 366         __u16           id;
 367         __u8            bus;
 368         __u8            dev_type;
 369         bdaddr_t        bdaddr;
 370         bdaddr_t        setup_addr;
 371         bdaddr_t        public_addr;
 372         bdaddr_t        random_addr;
 373         bdaddr_t        static_addr;
 374         __u8            adv_addr_type;
 375         __u8            dev_name[HCI_MAX_NAME_LENGTH];
 376         __u8            short_name[HCI_MAX_SHORT_NAME_LENGTH];
 377         __u8            eir[HCI_MAX_EIR_LENGTH];
 378         __u16           appearance;
 379         __u8            dev_class[3];
 380         __u8            major_class;
 381         __u8            minor_class;
 382         __u8            max_page;
 383         __u8            features[HCI_MAX_PAGES][8];
 384         __u8            le_features[8];
 385         __u8            le_accept_list_size;
 386         __u8            le_resolv_list_size;
 387         __u8            le_num_of_adv_sets;
 388         __u8            le_states[8];
 389         __u8            mesh_ad_types[16];
 390         __u8            mesh_send_ref;
 391         __u8            commands[64];
 392         __u8            hci_ver;
 393         __u16           hci_rev;
 394         __u8            lmp_ver;
 395         __u16           manufacturer;
 396         __u16           lmp_subver;
 397         __u16           voice_setting;
 398         __u8            num_iac;
 399         __u16           stored_max_keys;
 400         __u16           stored_num_keys;
 401         __u8            io_capability;
 402         __s8            inq_tx_power;
 403         __u8            err_data_reporting;
 404         __u16           page_scan_interval;
 405         __u16           page_scan_window;
 406         __u8            page_scan_type;
 407         __u8            le_adv_channel_map;
 408         __u16           le_adv_min_interval;
 409         __u16           le_adv_max_interval;
 410         __u8            le_scan_type;
 411         __u16           le_scan_interval;
 412         __u16           le_scan_window;
 413         __u16           le_scan_int_suspend;
 414         __u16           le_scan_window_suspend;
 415         __u16           le_scan_int_discovery;
 416         __u16           le_scan_window_discovery;
 417         __u16           le_scan_int_adv_monitor;
 418         __u16           le_scan_window_adv_monitor;
 419         __u16           le_scan_int_connect;
 420         __u16           le_scan_window_connect;
 421         __u16           le_conn_min_interval;
 422         __u16           le_conn_max_interval;
 423         __u16           le_conn_latency;
 424         __u16           le_supv_timeout;
 425         __u16           le_def_tx_len;
 426         __u16           le_def_tx_time;
 427         __u16           le_max_tx_len;
 428         __u16           le_max_tx_time;
 429         __u16           le_max_rx_len;
 430         __u16           le_max_rx_time;
 431         __u8            le_max_key_size;
 432         __u8            le_min_key_size;
 433         __u16           discov_interleaved_timeout;
 434         __u16           conn_info_min_age;
 435         __u16           conn_info_max_age;
 436         __u16           auth_payload_timeout;
 437         __u8            min_enc_key_size;
 438         __u8            max_enc_key_size;
 439         __u8            pairing_opts;
 440         __u8            ssp_debug_mode;
 441         __u8            hw_error_code;
 442         __u32           clock;
 443         __u16           advmon_allowlist_duration;
 444         __u16           advmon_no_filter_duration;
 445         __u8            enable_advmon_interleave_scan;
 446
 447         __u16           devid_source;
 448         __u16           devid_vendor;
 449         __u16           devid_product;
 450         __u16           devid_version;
 451
 452         __u8            def_page_scan_type;
 453         __u16           def_page_scan_int;
 454         __u16           def_page_scan_window;
 455         __u8            def_inq_scan_type;
 456         __u16           def_inq_scan_int;
 457         __u16           def_inq_scan_window;
 458         __u16           def_br_lsto;
 459         __u16           def_page_timeout;
 460         __u16           def_multi_adv_rotation_duration;
 461         __u16           def_le_autoconnect_timeout;
 462         __s8            min_le_tx_power;
 463         __s8            max_le_tx_power;
 464
 465         __u16           pkt_type;
 466         __u16           esco_type;
 467         __u16           link_policy;
 468         __u16           link_mode;
 469
 470         __u32           idle_timeout;
 471         __u16           sniff_min_interval;
 472         __u16           sniff_max_interval;
 473
 474         __u8            amp_status;
 475         __u32           amp_total_bw;
 476         __u32           amp_max_bw;
 477         __u32           amp_min_latency;
 478         __u32           amp_max_pdu;
 479         __u8            amp_type;
 480         __u16           amp_pal_cap;
 481         __u16           amp_assoc_size;
 482         __u32           amp_max_flush_to;
 483         __u32           amp_be_flush_to;
 484
 485         struct amp_assoc        loc_assoc;
 486
 487         __u8            flow_ctl_mode;
 488
 489         unsigned int    auto_accept_delay;
 490
 491         unsigned long   quirks;
 492
 493         atomic_t        cmd_cnt;
 494         unsigned int    acl_cnt;
 495         unsigned int    sco_cnt;
 496         unsigned int    le_cnt;
 497         unsigned int    iso_cnt;
 498
 499         unsigned int    acl_mtu;
 500         unsigned int    sco_mtu;
 501         unsigned int    le_mtu;
 502         unsigned int    iso_mtu;
 503         unsigned int    acl_pkts;
 504         unsigned int    sco_pkts;
 505         unsigned int    le_pkts;
 506         unsigned int    iso_pkts;
 507
 508         __u16           block_len;
 509         __u16           block_mtu;
 510         __u16           num_blocks;
 511         __u16           block_cnt;
 512
 513         unsigned long   acl_last_tx;
 514         unsigned long   sco_last_tx;
 515         unsigned long   le_last_tx;
 516
 517         __u8            le_tx_def_phys;
 518         __u8            le_rx_def_phys;
 519
 520         struct workqueue_struct *workqueue;
 521         struct workqueue_struct *req_workqueue;
 522
 523         struct work_struct      power_on;
 524         struct delayed_work     power_off;
 525         struct work_struct      error_reset;
 526         struct work_struct      cmd_sync_work;
 527         struct list_head        cmd_sync_work_list;
 528         struct mutex            cmd_sync_work_lock;
 529         struct mutex            unregister_lock;
 530         struct work_struct      cmd_sync_cancel_work;
 531         struct work_struct      reenable_adv_work;
 532
 533         __u16                   discov_timeout;
 534         struct delayed_work     discov_off;
 535
 536         struct delayed_work     service_cache;
 537
 538         struct delayed_work     cmd_timer;
 539         struct delayed_work     ncmd_timer;
 540
 541         struct work_struct      rx_work;
 542         struct work_struct      cmd_work;
 543         struct work_struct      tx_work;
 544
 545         struct delayed_work     le_scan_disable;
 546         struct delayed_work     le_scan_restart;
 547
 548         struct sk_buff_head     rx_q;
 549         struct sk_buff_head     raw_q;
 550         struct sk_buff_head     cmd_q;
 551
 552         struct sk_buff          *sent_cmd;
 553         struct sk_buff          *recv_event;
 554
 555         struct mutex            req_lock;
 556         wait_queue_head_t       req_wait_q;
 557         __u32                   req_status;
 558         __u32                   req_result;
 559         struct sk_buff          *req_skb;
 560
 561         void                    *smp_data;
 562         void                    *smp_bredr_data;
 563
 564         struct discovery_state  discovery;
 565
 566         int                     discovery_old_state;
 567         bool                    discovery_paused;
 568         int                     advertising_old_state;
 569         bool                    advertising_paused;
 570
 571         struct notifier_block   suspend_notifier;
 572         enum suspended_state    suspend_state_next;
 573         enum suspended_state    suspend_state;
 574         bool                    scanning_paused;
 575         bool                    suspended;
 576         u8                      wake_reason;
 577         bdaddr_t                wake_addr;
 578         u8                      wake_addr_type;
 579 #ifdef TIZEN_BT
 580         struct discovery_state  le_discovery;
 581 #endif
 582
 583         struct hci_conn_hash    conn_hash;
 584
 585         struct list_head        mesh_pending;
 586         struct list_head        mgmt_pending;
 587         struct list_head        reject_list;
 588         struct list_head        accept_list;
 589         struct list_head        uuids;
 590         struct list_head        link_keys;
 591         struct list_head        long_term_keys;
 592         struct list_head        identity_resolving_keys;
 593         struct list_head        remote_oob_data;
 594         struct list_head        le_accept_list;
 595         struct list_head        le_resolv_list;
 596         struct list_head        le_conn_params;
 597         struct list_head        pend_le_conns;
 598         struct list_head        pend_le_reports;
 599         struct list_head        blocked_keys;
 600         struct list_head        local_codecs;
 601
 602         struct hci_dev_stats    stat;
 603
 604         atomic_t                promisc;
 605
 606         const char              *hw_info;
 607         const char              *fw_info;
 608         struct dentry           *debugfs;
 609
 610         struct hci_devcoredump  dump;
 611
 612         struct device           dev;
 613
 614         struct rfkill           *rfkill;
 615
 616         DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS);
 617         hci_conn_flags_t        conn_flags;
 618
 619         __s8                    adv_tx_power;
 620         __u8                    adv_data[HCI_MAX_EXT_AD_LENGTH];
 621         __u8                    adv_data_len;
 622         __u8                    scan_rsp_data[HCI_MAX_EXT_AD_LENGTH];
 623         __u8                    scan_rsp_data_len;
 624         __u8                    per_adv_data[HCI_MAX_PER_AD_LENGTH];
 625         __u8                    per_adv_data_len;
 626
 627         struct list_head        adv_instances;
 628         unsigned int            adv_instance_cnt;
 629         __u8                    cur_adv_instance;
 630         __u16                   adv_instance_timeout;
 631         struct delayed_work     adv_instance_expire;
 632
 633         struct idr              adv_monitors_idr;
 634         unsigned int            adv_monitors_cnt;
 635
 636         __u8                    irk[16];
 637         __u32                   rpa_timeout;
 638         struct delayed_work     rpa_expired;
 639         bdaddr_t                rpa;
 640
 641         struct delayed_work     mesh_send_done;
 642
 643         enum {
 644                 INTERLEAVE_SCAN_NONE,
 645                 INTERLEAVE_SCAN_NO_FILTER,
 646                 INTERLEAVE_SCAN_ALLOWLIST
 647         } interleave_scan_state;
 648
 649         struct delayed_work     interleave_scan;
 650
 651         struct list_head        monitored_devices;
 652         bool                    advmon_pend_notify;
 653
 654 #if IS_ENABLED(CONFIG_BT_LEDS)
 655         struct led_trigger      *power_led;
 656 #endif
 657
 658 #if IS_ENABLED(CONFIG_BT_MSFTEXT)
 659         __u16                   msft_opcode;
 660         void                    *msft_data;
 661         bool                    msft_curve_validity;
 662 #endif
 663
 664 #if IS_ENABLED(CONFIG_BT_AOSPEXT)
 665         bool                    aosp_capable;
 666         bool                    aosp_quality_report;
 667 #endif
 668
 669 #ifdef TIZEN_BT
 670         __u8                    adv_filter_policy;
 671         __u8                    adv_type;
 672         __u8                    manufacturer_len;
 673         __u8                    manufacturer_data[HCI_MAX_EIR_MANUFACTURER_DATA_LENGTH];
 674 #endif
 675
 676         int (*open)(struct hci_dev *hdev);
 677         int (*close)(struct hci_dev *hdev);
 678         int (*flush)(struct hci_dev *hdev);
 679         int (*setup)(struct hci_dev *hdev);
 680         int (*shutdown)(struct hci_dev *hdev);
 681         int (*send)(struct hci_dev *hdev, struct sk_buff *skb);
 682         void (*notify)(struct hci_dev *hdev, unsigned int evt);
 683         void (*hw_error)(struct hci_dev *hdev, u8 code);
 684         int (*post_init)(struct hci_dev *hdev);
 685         int (*set_diag)(struct hci_dev *hdev, bool enable);
 686         int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr);
 687         void (*cmd_timeout)(struct hci_dev *hdev);
 688         void (*reset)(struct hci_dev *hdev);
 689         bool (*wakeup)(struct hci_dev *hdev);
 690         int (*set_quality_report)(struct hci_dev *hdev, bool enable);
 691         int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path);
 692         int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type,
 693                                      struct bt_codec *codec, __u8 *vnd_len,
 694                                      __u8 **vnd_data);
 695 };
 696
 697 #define HCI_PHY_HANDLE(handle)  (handle & 0xff)
 698
 699 enum conn_reasons {
 700         CONN_REASON_PAIR_DEVICE,
 701         CONN_REASON_L2CAP_CHAN,
 702         CONN_REASON_SCO_CONNECT,
 703         CONN_REASON_ISO_CONNECT,
 704 };
 705
 706 struct hci_conn {
 707         struct list_head list;
 708
 709         atomic_t        refcnt;
 710
 711         bdaddr_t        dst;
 712         __u8            dst_type;
 713         bdaddr_t        src;
 714         __u8            src_type;
 715         bdaddr_t        init_addr;
 716         __u8            init_addr_type;
 717         bdaddr_t        resp_addr;
 718         __u8            resp_addr_type;
 719         __u8            adv_instance;
 720         __u16           handle;
 721         __u16           sync_handle;
 722         __u16           state;
 723         __u8            mode;
 724         __u8            type;
 725         __u8            role;
 726         bool            out;
 727         __u8            attempt;
 728         __u8            dev_class[3];
 729         __u8            features[HCI_MAX_PAGES][8];
 730         __u16           pkt_type;
 731         __u16           link_policy;
 732         __u8            key_type;
 733         __u8            auth_type;
 734         __u8            sec_level;
 735         __u8            pending_sec_level;
 736         __u8            pin_length;
 737         __u8            enc_key_size;
 738         __u8            io_capability;
 739         __u32           passkey_notify;
 740         __u8            passkey_entered;
 741         __u16           disc_timeout;
 742         __u16           conn_timeout;
 743         __u16           setting;
 744         __u16           auth_payload_timeout;
 745         __u16           le_conn_min_interval;
 746         __u16           le_conn_max_interval;
 747         __u16           le_conn_interval;
 748         __u16           le_conn_latency;
 749         __u16           le_supv_timeout;
 750         __u8            le_adv_data[HCI_MAX_EXT_AD_LENGTH];
 751         __u8            le_adv_data_len;
 752         __u8            le_per_adv_data[HCI_MAX_PER_AD_LENGTH];
 753         __u8            le_per_adv_data_len;
 754         __u8            le_tx_phy;
 755         __u8            le_rx_phy;
 756         __s8            rssi;
 757         __s8            tx_power;
 758         __s8            max_tx_power;
 759         struct bt_iso_qos iso_qos;
 760         unsigned long   flags;
 761
 762         enum conn_reasons conn_reason;
 763         __u8            abort_reason;
 764
 765         __u32           clock;
 766         __u16           clock_accuracy;
 767
 768         unsigned long   conn_info_timestamp;
 769
 770         __u8            remote_cap;
 771         __u8            remote_auth;
 772         __u8            remote_id;
 773
 774         unsigned int    sent;
 775
 776         struct sk_buff_head data_q;
 777         struct list_head chan_list;
 778
 779         struct delayed_work disc_work;
 780         struct delayed_work auto_accept_work;
 781         struct delayed_work idle_work;
 782         struct delayed_work le_conn_timeout;
 783
 784         struct device   dev;
 785         struct dentry   *debugfs;
 786
 787         struct hci_dev  *hdev;
 788         void            *l2cap_data;
 789         void            *sco_data;
 790         void            *iso_data;
 791         struct amp_mgr  *amp_mgr;
 792
 793 #ifdef TIZEN_BT
 794         bool            rssi_monitored;
 795 #endif
 796         struct list_head link_list;
 797         struct hci_conn *parent;
 798         struct hci_link *link;
 799
 800         struct bt_codec codec;
 801
 802         void (*connect_cfm_cb)  (struct hci_conn *conn, u8 status);
 803         void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
 804         void (*disconn_cfm_cb)  (struct hci_conn *conn, u8 reason);
 805
 806         void (*cleanup)(struct hci_conn *conn);
 807 };
 808
 809 struct hci_link {
 810         struct list_head list;
 811         struct hci_conn *conn;
 812 };
 813
 814 struct hci_chan {
 815         struct list_head list;
 816         __u16 handle;
 817         struct hci_conn *conn;
 818         struct sk_buff_head data_q;
 819         unsigned int    sent;
 820         __u8            state;
 821         bool            amp;
 822 };
 823
 824 struct hci_conn_params {
 825         struct list_head list;
 826         struct list_head action;
 827
 828         bdaddr_t addr;
 829         u8 addr_type;
 830
 831         u16 conn_min_interval;
 832         u16 conn_max_interval;
 833         u16 conn_latency;
 834         u16 supervision_timeout;
 835
 836         enum {
 837                 HCI_AUTO_CONN_DISABLED,
 838                 HCI_AUTO_CONN_REPORT,
 839                 HCI_AUTO_CONN_DIRECT,
 840                 HCI_AUTO_CONN_ALWAYS,
 841                 HCI_AUTO_CONN_LINK_LOSS,
 842                 HCI_AUTO_CONN_EXPLICIT,
 843         } auto_connect;
 844
 845         struct hci_conn *conn;
 846         bool explicit_connect;
 847         /* Accessed without hdev->lock: */
 848         hci_conn_flags_t flags;
 849         u8  privacy_mode;
 850 };
 851
 852 extern struct list_head hci_dev_list;
 853 extern struct list_head hci_cb_list;
 854 extern rwlock_t hci_dev_list_lock;
 855 extern struct mutex hci_cb_list_lock;
 856
 857 #define hci_dev_set_flag(hdev, nr)             set_bit((nr), (hdev)->dev_flags)
 858 #define hci_dev_clear_flag(hdev, nr)           clear_bit((nr), (hdev)->dev_flags)
 859 #define hci_dev_change_flag(hdev, nr)          change_bit((nr), (hdev)->dev_flags)
 860 #define hci_dev_test_flag(hdev, nr)            test_bit((nr), (hdev)->dev_flags)
 861 #define hci_dev_test_and_set_flag(hdev, nr)    test_and_set_bit((nr), (hdev)->dev_flags)
 862 #define hci_dev_test_and_clear_flag(hdev, nr)  test_and_clear_bit((nr), (hdev)->dev_flags)
 863 #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags)
 864
 865 #define hci_dev_clear_volatile_flags(hdev)                      \
 866         do {                                                    \
 867                 hci_dev_clear_flag(hdev, HCI_LE_SCAN);          \
 868                 hci_dev_clear_flag(hdev, HCI_LE_ADV);           \
 869                 hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\
 870                 hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ);     \
 871                 hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT);   \
 872         } while (0)
 873
 874 #define hci_dev_le_state_simultaneous(hdev) \
 875         (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && \
 876          (hdev->le_states[4] & 0x08) && /* Central */ \
 877          (hdev->le_states[4] & 0x40) && /* Peripheral */ \
 878          (hdev->le_states[3] & 0x10))   /* Simultaneous */
 879
 880 /* ----- HCI interface to upper protocols ----- */
 881 int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
 882 int l2cap_disconn_ind(struct hci_conn *hcon);
 883 void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
 884
 885 #if IS_ENABLED(CONFIG_BT_BREDR)
 886 int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
 887 void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
 888 #else
 889 static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
 890                                   __u8 *flags)
 891 {
 892         return 0;
 893 }
 894
 895 static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb)
 896 {
 897 }
 898 #endif
 899
 900 #if IS_ENABLED(CONFIG_BT_LE)
 901 int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
 902 void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
 903 #else
 904 static inline int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
 905                                   __u8 *flags)
 906 {
 907         return 0;
 908 }
 909 static inline void iso_recv(struct hci_conn *hcon, struct sk_buff *skb,
 910                             u16 flags)
 911 {
 912 }
 913 #endif
 914
 915 /* ----- Inquiry cache ----- */
 916 #define INQUIRY_CACHE_AGE_MAX   (HZ*30)   /* 30 seconds */
 917 #define INQUIRY_ENTRY_AGE_MAX   (HZ*60)   /* 60 seconds */
 918
 919 static inline void discovery_init(struct hci_dev *hdev)
 920 {
 921         hdev->discovery.state = DISCOVERY_STOPPED;
 922         INIT_LIST_HEAD(&hdev->discovery.all);
 923         INIT_LIST_HEAD(&hdev->discovery.unknown);
 924         INIT_LIST_HEAD(&hdev->discovery.resolve);
 925         hdev->discovery.report_invalid_rssi = true;
 926         hdev->discovery.rssi = HCI_RSSI_INVALID;
 927 }
 928
 929 static inline void hci_discovery_filter_clear(struct hci_dev *hdev)
 930 {
 931         hdev->discovery.result_filtering = false;
 932         hdev->discovery.report_invalid_rssi = true;
 933         hdev->discovery.rssi = HCI_RSSI_INVALID;
 934         hdev->discovery.uuid_count = 0;
 935         kfree(hdev->discovery.uuids);
 936         hdev->discovery.uuids = NULL;
 937         hdev->discovery.scan_start = 0;
 938         hdev->discovery.scan_duration = 0;
 939 }
 940
 941 bool hci_discovery_active(struct hci_dev *hdev);
 942
 943 void hci_discovery_set_state(struct hci_dev *hdev, int state);
 944
 945 static inline int inquiry_cache_empty(struct hci_dev *hdev)
 946 {
 947         return list_empty(&hdev->discovery.all);
 948 }
 949
 950 static inline long inquiry_cache_age(struct hci_dev *hdev)
 951 {
 952         struct discovery_state *c = &hdev->discovery;
 953         return jiffies - c->timestamp;
 954 }
 955
 956 static inline long inquiry_entry_age(struct inquiry_entry *e)
 957 {
 958         return jiffies - e->timestamp;
 959 }
 960
 961 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
 962                                                bdaddr_t *bdaddr);
 963 struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
 964                                                        bdaddr_t *bdaddr);
 965 struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
 966                                                        bdaddr_t *bdaddr,
 967                                                        int state);
 968 void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
 969                                       struct inquiry_entry *ie);
 970 u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
 971                              bool name_known);
 972 void hci_inquiry_cache_flush(struct hci_dev *hdev);
 973
 974 /* ----- HCI Connections ----- */
 975 enum {
 976         HCI_CONN_AUTH_PEND,
 977         HCI_CONN_ENCRYPT_PEND,
 978         HCI_CONN_RSWITCH_PEND,
 979         HCI_CONN_MODE_CHANGE_PEND,
 980         HCI_CONN_SCO_SETUP_PEND,
 981         HCI_CONN_MGMT_CONNECTED,
 982         HCI_CONN_SSP_ENABLED,
 983         HCI_CONN_SC_ENABLED,
 984         HCI_CONN_AES_CCM,
 985         HCI_CONN_POWER_SAVE,
 986         HCI_CONN_FLUSH_KEY,
 987         HCI_CONN_ENCRYPT,
 988         HCI_CONN_AUTH,
 989         HCI_CONN_SECURE,
 990         HCI_CONN_FIPS,
 991         HCI_CONN_STK_ENCRYPT,
 992         HCI_CONN_AUTH_INITIATOR,
 993         HCI_CONN_DROP,
 994         HCI_CONN_CANCEL,
 995         HCI_CONN_PARAM_REMOVAL_PEND,
 996         HCI_CONN_NEW_LINK_KEY,
 997         HCI_CONN_SCANNING,
 998         HCI_CONN_AUTH_FAILURE,
 999         HCI_CONN_PER_ADV,
1000         HCI_CONN_BIG_CREATED,
1001         HCI_CONN_CREATE_CIS,
1002         HCI_CONN_BIG_SYNC,
1003         HCI_CONN_BIG_SYNC_FAILED,
1004         HCI_CONN_PA_SYNC,
1005         HCI_CONN_PA_SYNC_FAILED,
1006 };
1007
1008 static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)
1009 {
1010         struct hci_dev *hdev = conn->hdev;
1011         return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
1012                test_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
1013 }
1014
1015 static inline bool hci_conn_sc_enabled(struct hci_conn *conn)
1016 {
1017         struct hci_dev *hdev = conn->hdev;
1018         return hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
1019                test_bit(HCI_CONN_SC_ENABLED, &conn->flags);
1020 }
1021
1022 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
1023 {
1024         struct hci_conn_hash *h = &hdev->conn_hash;
1025         list_add_tail_rcu(&c->list, &h->list);
1026         switch (c->type) {
1027         case ACL_LINK:
1028                 h->acl_num++;
1029                 break;
1030         case AMP_LINK:
1031                 h->amp_num++;
1032                 break;
1033         case LE_LINK:
1034                 h->le_num++;
1035                 if (c->role == HCI_ROLE_SLAVE)
1036                         h->le_num_peripheral++;
1037                 break;
1038         case SCO_LINK:
1039         case ESCO_LINK:
1040                 h->sco_num++;
1041                 break;
1042         case ISO_LINK:
1043                 h->iso_num++;
1044                 break;
1045         }
1046 }
1047
1048 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
1049 {
1050         struct hci_conn_hash *h = &hdev->conn_hash;
1051
1052         list_del_rcu(&c->list);
1053         synchronize_rcu();
1054
1055         switch (c->type) {
1056         case ACL_LINK:
1057                 h->acl_num--;
1058                 break;
1059         case AMP_LINK:
1060                 h->amp_num--;
1061                 break;
1062         case LE_LINK:
1063                 h->le_num--;
1064                 if (c->role == HCI_ROLE_SLAVE)
1065                         h->le_num_peripheral--;
1066                 break;
1067         case SCO_LINK:
1068         case ESCO_LINK:
1069                 h->sco_num--;
1070                 break;
1071         case ISO_LINK:
1072                 h->iso_num--;
1073                 break;
1074         }
1075 }
1076
1077 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
1078 {
1079         struct hci_conn_hash *h = &hdev->conn_hash;
1080         switch (type) {
1081         case ACL_LINK:
1082                 return h->acl_num;
1083         case AMP_LINK:
1084                 return h->amp_num;
1085         case LE_LINK:
1086                 return h->le_num;
1087         case SCO_LINK:
1088         case ESCO_LINK:
1089                 return h->sco_num;
1090         case ISO_LINK:
1091                 return h->iso_num;
1092         default:
1093                 return 0;
1094         }
1095 }
1096
1097 static inline unsigned int hci_conn_count(struct hci_dev *hdev)
1098 {
1099         struct hci_conn_hash *c = &hdev->conn_hash;
1100
1101         return c->acl_num + c->amp_num + c->sco_num + c->le_num + c->iso_num;
1102 }
1103
1104 static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle)
1105 {
1106         struct hci_conn_hash *h = &hdev->conn_hash;
1107         struct hci_conn *c;
1108         __u8 type = INVALID_LINK;
1109
1110         rcu_read_lock();
1111
1112         list_for_each_entry_rcu(c, &h->list, list) {
1113                 if (c->handle == handle) {
1114                         type = c->type;
1115                         break;
1116                 }
1117         }
1118
1119         rcu_read_unlock();
1120
1121         return type;
1122 }
1123
1124 static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev,
1125                                                         bdaddr_t *ba, __u8 bis)
1126 {
1127         struct hci_conn_hash *h = &hdev->conn_hash;
1128         struct hci_conn  *c;
1129
1130         rcu_read_lock();
1131
1132         list_for_each_entry_rcu(c, &h->list, list) {
1133                 if (bacmp(&c->dst, ba) || c->type != ISO_LINK)
1134                         continue;
1135
1136                 if (c->iso_qos.bcast.bis == bis) {
1137                         rcu_read_unlock();
1138                         return c;
1139                 }
1140         }
1141         rcu_read_unlock();
1142
1143         return NULL;
1144 }
1145
1146 static inline struct hci_conn *
1147 hci_conn_hash_lookup_per_adv_bis(struct hci_dev *hdev,
1148                                  bdaddr_t *ba,
1149                                  __u8 big, __u8 bis)
1150 {
1151         struct hci_conn_hash *h = &hdev->conn_hash;
1152         struct hci_conn  *c;
1153
1154         rcu_read_lock();
1155
1156         list_for_each_entry_rcu(c, &h->list, list) {
1157                 if (bacmp(&c->dst, ba) || c->type != ISO_LINK ||
1158                         !test_bit(HCI_CONN_PER_ADV, &c->flags))
1159                         continue;
1160
1161                 if (c->iso_qos.bcast.big == big &&
1162                     c->iso_qos.bcast.bis == bis) {
1163                         rcu_read_unlock();
1164                         return c;
1165                 }
1166         }
1167         rcu_read_unlock();
1168
1169         return NULL;
1170 }
1171
1172 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
1173                                                                 __u16 handle)
1174 {
1175         struct hci_conn_hash *h = &hdev->conn_hash;
1176         struct hci_conn  *c;
1177
1178         rcu_read_lock();
1179
1180         list_for_each_entry_rcu(c, &h->list, list) {
1181                 if (c->handle == handle) {
1182                         rcu_read_unlock();
1183                         return c;
1184                 }
1185         }
1186         rcu_read_unlock();
1187
1188         return NULL;
1189 }
1190
1191 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
1192                                                         __u8 type, bdaddr_t *ba)
1193 {
1194         struct hci_conn_hash *h = &hdev->conn_hash;
1195         struct hci_conn  *c;
1196
1197         rcu_read_lock();
1198
1199         list_for_each_entry_rcu(c, &h->list, list) {
1200                 if (c->type == type && !bacmp(&c->dst, ba)) {
1201                         rcu_read_unlock();
1202                         return c;
1203                 }
1204         }
1205
1206         rcu_read_unlock();
1207
1208         return NULL;
1209 }
1210
1211 static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev,
1212                                                        bdaddr_t *ba,
1213                                                        __u8 ba_type)
1214 {
1215         struct hci_conn_hash *h = &hdev->conn_hash;
1216         struct hci_conn  *c;
1217
1218         rcu_read_lock();
1219
1220         list_for_each_entry_rcu(c, &h->list, list) {
1221                 if (c->type != LE_LINK)
1222                        continue;
1223
1224                 if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) {
1225                         rcu_read_unlock();
1226                         return c;
1227                 }
1228         }
1229
1230         rcu_read_unlock();
1231
1232         return NULL;
1233 }
1234
1235 static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev,
1236                                                         bdaddr_t *ba,
1237                                                         __u8 ba_type,
1238                                                         __u8 cig,
1239                                                         __u8 id)
1240 {
1241         struct hci_conn_hash *h = &hdev->conn_hash;
1242         struct hci_conn  *c;
1243
1244         rcu_read_lock();
1245
1246         list_for_each_entry_rcu(c, &h->list, list) {
1247                 if (c->type != ISO_LINK || !bacmp(&c->dst, BDADDR_ANY))
1248                         continue;
1249
1250                 /* Match CIG ID if set */
1251                 if (cig != c->iso_qos.ucast.cig)
1252                         continue;
1253
1254                 /* Match CIS ID if set */
1255                 if (id != c->iso_qos.ucast.cis)
1256                         continue;
1257
1258                 /* Match destination address if set */
1259                 if (!ba || (ba_type == c->dst_type && !bacmp(&c->dst, ba))) {
1260                         rcu_read_unlock();
1261                         return c;
1262                 }
1263         }
1264
1265         rcu_read_unlock();
1266
1267         return NULL;
1268 }
1269
1270 static inline struct hci_conn *hci_conn_hash_lookup_cig(struct hci_dev *hdev,
1271                                                         __u8 handle)
1272 {
1273         struct hci_conn_hash *h = &hdev->conn_hash;
1274         struct hci_conn  *c;
1275
1276         rcu_read_lock();
1277
1278         list_for_each_entry_rcu(c, &h->list, list) {
1279                 if (c->type != ISO_LINK || !bacmp(&c->dst, BDADDR_ANY))
1280                         continue;
1281
1282                 if (handle == c->iso_qos.ucast.cig) {
1283                         rcu_read_unlock();
1284                         return c;
1285                 }
1286         }
1287
1288         rcu_read_unlock();
1289
1290         return NULL;
1291 }
1292
1293 static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev,
1294                                                         __u8 handle)
1295 {
1296         struct hci_conn_hash *h = &hdev->conn_hash;
1297         struct hci_conn  *c;
1298
1299         rcu_read_lock();
1300
1301         list_for_each_entry_rcu(c, &h->list, list) {
1302                 if (bacmp(&c->dst, BDADDR_ANY) || c->type != ISO_LINK)
1303                         continue;
1304
1305                 if (handle == c->iso_qos.bcast.big) {
1306                         rcu_read_unlock();
1307                         return c;
1308                 }
1309         }
1310
1311         rcu_read_unlock();
1312
1313         return NULL;
1314 }
1315
1316 static inline struct hci_conn *hci_conn_hash_lookup_big_any_dst(struct hci_dev *hdev,
1317                                                         __u8 handle)
1318 {
1319         struct hci_conn_hash *h = &hdev->conn_hash;
1320         struct hci_conn  *c;
1321
1322         rcu_read_lock();
1323
1324         list_for_each_entry_rcu(c, &h->list, list) {
1325                 if (c->type != ISO_LINK)
1326                         continue;
1327
1328                 if (handle != BT_ISO_QOS_BIG_UNSET && handle == c->iso_qos.bcast.big) {
1329                         rcu_read_unlock();
1330                         return c;
1331                 }
1332         }
1333
1334         rcu_read_unlock();
1335
1336         return NULL;
1337 }
1338
1339 static inline struct hci_conn *
1340 hci_conn_hash_lookup_pa_sync_big_handle(struct hci_dev *hdev, __u8 big)
1341 {
1342         struct hci_conn_hash *h = &hdev->conn_hash;
1343         struct hci_conn  *c;
1344
1345         rcu_read_lock();
1346
1347         list_for_each_entry_rcu(c, &h->list, list) {
1348                 if (c->type != ISO_LINK ||
1349                         !test_bit(HCI_CONN_PA_SYNC, &c->flags))
1350                         continue;
1351
1352                 if (c->iso_qos.bcast.big == big) {
1353                         rcu_read_unlock();
1354                         return c;
1355                 }
1356         }
1357         rcu_read_unlock();
1358
1359         return NULL;
1360 }
1361
1362 static inline struct hci_conn *
1363 hci_conn_hash_lookup_pa_sync_handle(struct hci_dev *hdev, __u16 sync_handle)
1364 {
1365         struct hci_conn_hash *h = &hdev->conn_hash;
1366         struct hci_conn  *c;
1367
1368         rcu_read_lock();
1369
1370         list_for_each_entry_rcu(c, &h->list, list) {
1371                 if (c->type != ISO_LINK ||
1372                         !test_bit(HCI_CONN_PA_SYNC, &c->flags))
1373                         continue;
1374
1375                 if (c->sync_handle == sync_handle) {
1376                         rcu_read_unlock();
1377                         return c;
1378                 }
1379         }
1380         rcu_read_unlock();
1381
1382         return NULL;
1383 }
1384
1385 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
1386                                                         __u8 type, __u16 state)
1387 {
1388         struct hci_conn_hash *h = &hdev->conn_hash;
1389         struct hci_conn  *c;
1390
1391         rcu_read_lock();
1392
1393         list_for_each_entry_rcu(c, &h->list, list) {
1394                 if (c->type == type && c->state == state) {
1395                         rcu_read_unlock();
1396                         return c;
1397                 }
1398         }
1399
1400         rcu_read_unlock();
1401
1402         return NULL;
1403 }
1404
1405 typedef void (*hci_conn_func_t)(struct hci_conn *conn, void *data);
1406 static inline void hci_conn_hash_list_state(struct hci_dev *hdev,
1407                                             hci_conn_func_t func, __u8 type,
1408                                             __u16 state, void *data)
1409 {
1410         struct hci_conn_hash *h = &hdev->conn_hash;
1411         struct hci_conn  *c;
1412
1413         if (!func)
1414                 return;
1415
1416         rcu_read_lock();
1417
1418         list_for_each_entry_rcu(c, &h->list, list) {
1419                 if (c->type == type && c->state == state)
1420                         func(c, data);
1421         }
1422
1423         rcu_read_unlock();
1424 }
1425
1426 static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev)
1427 {
1428         struct hci_conn_hash *h = &hdev->conn_hash;
1429         struct hci_conn  *c;
1430
1431         rcu_read_lock();
1432
1433         list_for_each_entry_rcu(c, &h->list, list) {
1434                 if (c->type == LE_LINK && c->state == BT_CONNECT &&
1435                     !test_bit(HCI_CONN_SCANNING, &c->flags)) {
1436                         rcu_read_unlock();
1437                         return c;
1438                 }
1439         }
1440
1441         rcu_read_unlock();
1442
1443         return NULL;
1444 }
1445
1446 /* Returns true if an le connection is in the scanning state */
1447 static inline bool hci_is_le_conn_scanning(struct hci_dev *hdev)
1448 {
1449         struct hci_conn_hash *h = &hdev->conn_hash;
1450         struct hci_conn  *c;
1451
1452         rcu_read_lock();
1453
1454         list_for_each_entry_rcu(c, &h->list, list) {
1455                 if (c->type == LE_LINK && c->state == BT_CONNECT &&
1456                     test_bit(HCI_CONN_SCANNING, &c->flags)) {
1457                         rcu_read_unlock();
1458                         return true;
1459                 }
1460         }
1461
1462         rcu_read_unlock();
1463
1464         return false;
1465 }
1466
1467 #ifdef TIZEN_BT
1468 static inline bool hci_conn_rssi_state_set(struct hci_dev *hdev,
1469                                         __u8 type, bdaddr_t *ba, bool value)
1470 {
1471         struct hci_conn_hash *h = &hdev->conn_hash;
1472         struct hci_conn  *c;
1473         __u8 conn_type;
1474
1475         if (type == 0x01)
1476                 conn_type = LE_LINK;
1477         else
1478                 conn_type = ACL_LINK;
1479
1480         rcu_read_lock();
1481
1482         list_for_each_entry_rcu(c, &h->list, list) {
1483                 if (c->type == conn_type && !bacmp(&c->dst, ba)) {
1484                         c->rssi_monitored = value;
1485                         rcu_read_unlock();
1486                         return true;
1487                 }
1488         }
1489
1490         rcu_read_unlock();
1491         return false;
1492 }
1493
1494 static inline void hci_conn_rssi_unset_all(struct hci_dev *hdev,
1495                                         __u8 type)
1496 {
1497         struct hci_conn_hash *h = &hdev->conn_hash;
1498         struct hci_conn  *c;
1499         __u8 conn_type;
1500
1501         if (type == 0x01)
1502                 conn_type = LE_LINK;
1503         else
1504                 conn_type = ACL_LINK;
1505
1506         rcu_read_lock();
1507         list_for_each_entry_rcu(c, &h->list, list) {
1508                 if (c->type == conn_type)
1509                         c->rssi_monitored = false;
1510 }
1511         rcu_read_unlock();
1512 }
1513
1514 static inline int hci_conn_hash_lookup_rssi_count(struct hci_dev *hdev)
1515 {
1516         struct hci_conn_hash *h = &hdev->conn_hash;
1517         struct hci_conn  *c;
1518         int count = 0;
1519
1520         rcu_read_lock();
1521         list_for_each_entry_rcu(c, &h->list, list) {
1522                 if (c->rssi_monitored == true)
1523                         ++count;
1524         }
1525         rcu_read_unlock();
1526
1527         return count;
1528 }
1529
1530 bool hci_le_discovery_active(struct hci_dev *hdev);
1531 void hci_le_discovery_set_state(struct hci_dev *hdev, int state);
1532 #endif
1533
1534 int hci_disconnect(struct hci_conn *conn, __u8 reason);
1535 bool hci_setup_sync(struct hci_conn *conn, __u16 handle);
1536 void hci_sco_setup(struct hci_conn *conn, __u8 status);
1537 bool hci_iso_setup_path(struct hci_conn *conn);
1538 int hci_le_create_cis_pending(struct hci_dev *hdev);
1539 int hci_conn_check_create_cis(struct hci_conn *conn);
1540
1541 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,
1542                               u8 role, u16 handle);
1543 struct hci_conn *hci_conn_add_unset(struct hci_dev *hdev, int type,
1544                                     bdaddr_t *dst, u8 role);
1545 void hci_conn_del(struct hci_conn *conn);
1546 void hci_conn_hash_flush(struct hci_dev *hdev);
1547 void hci_conn_check_pending(struct hci_dev *hdev);
1548
1549 struct hci_chan *hci_chan_create(struct hci_conn *conn);
1550 void hci_chan_del(struct hci_chan *chan);
1551 void hci_chan_list_flush(struct hci_conn *conn);
1552 struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle);
1553
1554 struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst,
1555                                      u8 dst_type, u8 sec_level,
1556                                      u16 conn_timeout,
1557                                      enum conn_reasons conn_reason);
1558 struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
1559                                 u8 dst_type, bool dst_resolved, u8 sec_level,
1560                                 u16 conn_timeout, u8 role);
1561 struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
1562                                  u8 sec_level, u8 auth_type,
1563                                  enum conn_reasons conn_reason);
1564 struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst,
1565                                  __u16 setting, struct bt_codec *codec);
1566 struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst,
1567                               __u8 dst_type, struct bt_iso_qos *qos);
1568 struct hci_conn *hci_bind_bis(struct hci_dev *hdev, bdaddr_t *dst,
1569                               struct bt_iso_qos *qos,
1570                               __u8 base_len, __u8 *base);
1571 struct hci_conn *hci_connect_cis(struct hci_dev *hdev, bdaddr_t *dst,
1572                                  __u8 dst_type, struct bt_iso_qos *qos);
1573 struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst,
1574                                  __u8 dst_type, struct bt_iso_qos *qos,
1575                                  __u8 data_len, __u8 *data);
1576 int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type,
1577                        __u8 sid, struct bt_iso_qos *qos);
1578 int hci_le_big_create_sync(struct hci_dev *hdev, struct hci_conn *hcon,
1579                            struct bt_iso_qos *qos,
1580                            __u16 sync_handle, __u8 num_bis, __u8 bis[]);
1581 int hci_conn_check_link_mode(struct hci_conn *conn);
1582 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
1583 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type,
1584                       bool initiator);
1585 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1586
1587 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
1588
1589 void hci_conn_failed(struct hci_conn *conn, u8 status);
1590 u8 hci_conn_set_handle(struct hci_conn *conn, u16 handle);
1591
1592 /*
1593  * hci_conn_get() and hci_conn_put() are used to control the life-time of an
1594  * "hci_conn" object. They do not guarantee that the hci_conn object is running,
1595  * working or anything else. They just guarantee that the object is available
1596  * and can be dereferenced. So you can use its locks, local variables and any
1597  * other constant data.
1598  * Before accessing runtime data, you _must_ lock the object and then check that
1599  * it is still running. As soon as you release the locks, the connection might
1600  * get dropped, though.
1601  *
1602  * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control
1603  * how long the underlying connection is held. So every channel that runs on the
1604  * hci_conn object calls this to prevent the connection from disappearing. As
1605  * long as you hold a device, you must also guarantee that you have a valid
1606  * reference to the device via hci_conn_get() (or the initial reference from
1607  * hci_conn_add()).
1608  * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't
1609  * break because nobody cares for that. But this means, we cannot use
1610  * _get()/_drop() in it, but require the caller to have a valid ref (FIXME).
1611  */
1612
1613 static inline struct hci_conn *hci_conn_get(struct hci_conn *conn)
1614 {
1615         get_device(&conn->dev);
1616         return conn;
1617 }
1618
1619 static inline void hci_conn_put(struct hci_conn *conn)
1620 {
1621         put_device(&conn->dev);
1622 }
1623
1624 static inline struct hci_conn *hci_conn_hold(struct hci_conn *conn)
1625 {
1626         BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
1627
1628         atomic_inc(&conn->refcnt);
1629         cancel_delayed_work(&conn->disc_work);
1630
1631         return conn;
1632 }
1633
1634 static inline void hci_conn_drop(struct hci_conn *conn)
1635 {
1636         BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
1637
1638         if (atomic_dec_and_test(&conn->refcnt)) {
1639                 unsigned long timeo;
1640
1641                 switch (conn->type) {
1642                 case ACL_LINK:
1643                 case LE_LINK:
1644                         cancel_delayed_work(&conn->idle_work);
1645                         if (conn->state == BT_CONNECTED) {
1646                                 timeo = conn->disc_timeout;
1647                                 if (!conn->out)
1648                                         timeo *= 2;
1649                         } else {
1650                                 timeo = 0;
1651                         }
1652                         break;
1653
1654                 case AMP_LINK:
1655                         timeo = conn->disc_timeout;
1656                         break;
1657
1658                 default:
1659                         timeo = 0;
1660                         break;
1661                 }
1662
1663                 cancel_delayed_work(&conn->disc_work);
1664                 queue_delayed_work(conn->hdev->workqueue,
1665                                    &conn->disc_work, timeo);
1666         }
1667 }
1668
1669 /* ----- HCI Devices ----- */
1670 static inline void hci_dev_put(struct hci_dev *d)
1671 {
1672         BT_DBG("%s orig refcnt %d", d->name,
1673                kref_read(&d->dev.kobj.kref));
1674
1675         put_device(&d->dev);
1676 }
1677
1678 static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
1679 {
1680         BT_DBG("%s orig refcnt %d", d->name,
1681                kref_read(&d->dev.kobj.kref));
1682
1683         get_device(&d->dev);
1684         return d;
1685 }
1686
1687 #define hci_dev_lock(d)         mutex_lock(&d->lock)
1688 #define hci_dev_unlock(d)       mutex_unlock(&d->lock)
1689
1690 #define to_hci_dev(d) container_of(d, struct hci_dev, dev)
1691 #define to_hci_conn(c) container_of(c, struct hci_conn, dev)
1692
1693 static inline void *hci_get_drvdata(struct hci_dev *hdev)
1694 {
1695         return dev_get_drvdata(&hdev->dev);
1696 }
1697
1698 static inline void hci_set_drvdata(struct hci_dev *hdev, void *data)
1699 {
1700         dev_set_drvdata(&hdev->dev, data);
1701 }
1702
1703 static inline void *hci_get_priv(struct hci_dev *hdev)
1704 {
1705         return (char *)hdev + sizeof(*hdev);
1706 }
1707
1708 struct hci_dev *hci_dev_get(int index);
1709 struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type);
1710
1711 struct hci_dev *hci_alloc_dev_priv(int sizeof_priv);
1712
1713 static inline struct hci_dev *hci_alloc_dev(void)
1714 {
1715         return hci_alloc_dev_priv(0);
1716 }
1717
1718 void hci_free_dev(struct hci_dev *hdev);
1719 int hci_register_dev(struct hci_dev *hdev);
1720 void hci_unregister_dev(struct hci_dev *hdev);
1721 void hci_release_dev(struct hci_dev *hdev);
1722 int hci_register_suspend_notifier(struct hci_dev *hdev);
1723 int hci_unregister_suspend_notifier(struct hci_dev *hdev);
1724 int hci_suspend_dev(struct hci_dev *hdev);
1725 int hci_resume_dev(struct hci_dev *hdev);
1726 int hci_reset_dev(struct hci_dev *hdev);
1727 int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb);
1728 int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb);
1729 __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...);
1730 __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...);
1731
1732 static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode)
1733 {
1734 #if IS_ENABLED(CONFIG_BT_MSFTEXT)
1735         hdev->msft_opcode = opcode;
1736 #endif
1737 }
1738
1739 static inline void hci_set_aosp_capable(struct hci_dev *hdev)
1740 {
1741 #if IS_ENABLED(CONFIG_BT_AOSPEXT)
1742         hdev->aosp_capable = true;
1743 #endif
1744 }
1745
1746 static inline void hci_devcd_setup(struct hci_dev *hdev)
1747 {
1748 #ifdef CONFIG_DEV_COREDUMP
1749         INIT_WORK(&hdev->dump.dump_rx, hci_devcd_rx);
1750         INIT_DELAYED_WORK(&hdev->dump.dump_timeout, hci_devcd_timeout);
1751         skb_queue_head_init(&hdev->dump.dump_q);
1752 #endif
1753 }
1754
1755 int hci_dev_open(__u16 dev);
1756 int hci_dev_close(__u16 dev);
1757 int hci_dev_do_close(struct hci_dev *hdev);
1758 int hci_dev_reset(__u16 dev);
1759 int hci_dev_reset_stat(__u16 dev);
1760 int hci_dev_cmd(unsigned int cmd, void __user *arg);
1761 int hci_get_dev_list(void __user *arg);
1762 int hci_get_dev_info(void __user *arg);
1763 int hci_get_conn_list(void __user *arg);
1764 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
1765 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1766 int hci_inquiry(void __user *arg);
1767
1768 struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list,
1769                                            bdaddr_t *bdaddr, u8 type);
1770 struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk(
1771                                     struct list_head *list, bdaddr_t *bdaddr,
1772                                     u8 type);
1773 struct bdaddr_list_with_flags *
1774 hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1775                                   u8 type);
1776 int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1777 int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr,
1778                                  u8 type, u8 *peer_irk, u8 *local_irk);
1779 int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1780                                    u8 type, u32 flags);
1781 int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1782 int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr,
1783                                  u8 type);
1784 int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1785                                    u8 type);
1786 void hci_bdaddr_list_clear(struct list_head *list);
1787
1788 struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,
1789                                                bdaddr_t *addr, u8 addr_type);
1790 struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev,
1791                                             bdaddr_t *addr, u8 addr_type);
1792 void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type);
1793 void hci_conn_params_clear_disabled(struct hci_dev *hdev);
1794 void hci_conn_params_free(struct hci_conn_params *param);
1795
1796 void hci_pend_le_list_del_init(struct hci_conn_params *param);
1797 void hci_pend_le_list_add(struct hci_conn_params *param,
1798                           struct list_head *list);
1799 struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list,
1800                                                   bdaddr_t *addr,
1801                                                   u8 addr_type);
1802
1803 void hci_uuids_clear(struct hci_dev *hdev);
1804
1805 void hci_link_keys_clear(struct hci_dev *hdev);
1806 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1807 struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn,
1808                                   bdaddr_t *bdaddr, u8 *val, u8 type,
1809                                   u8 pin_len, bool *persistent);
1810 struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1811                             u8 addr_type, u8 type, u8 authenticated,
1812                             u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand);
1813 struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1814                              u8 addr_type, u8 role);
1815 int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type);
1816 void hci_smp_ltks_clear(struct hci_dev *hdev);
1817 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1818
1819 struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa);
1820 struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
1821                                      u8 addr_type);
1822 struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1823                             u8 addr_type, u8 val[16], bdaddr_t *rpa);
1824 void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type);
1825 bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]);
1826 void hci_blocked_keys_clear(struct hci_dev *hdev);
1827 void hci_smp_irks_clear(struct hci_dev *hdev);
1828
1829 bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
1830
1831 void hci_remote_oob_data_clear(struct hci_dev *hdev);
1832 struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
1833                                           bdaddr_t *bdaddr, u8 bdaddr_type);
1834 int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1835                             u8 bdaddr_type, u8 *hash192, u8 *rand192,
1836                             u8 *hash256, u8 *rand256);
1837 int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1838                                u8 bdaddr_type);
1839
1840 void hci_adv_instances_clear(struct hci_dev *hdev);
1841 struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance);
1842 struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance);
1843 struct adv_info *hci_add_adv_instance(struct hci_dev *hdev, u8 instance,
1844                                       u32 flags, u16 adv_data_len, u8 *adv_data,
1845                                       u16 scan_rsp_len, u8 *scan_rsp_data,
1846                                       u16 timeout, u16 duration, s8 tx_power,
1847                                       u32 min_interval, u32 max_interval,
1848                                       u8 mesh_handle);
1849 struct adv_info *hci_add_per_instance(struct hci_dev *hdev, u8 instance,
1850                                       u32 flags, u8 data_len, u8 *data,
1851                                       u32 min_interval, u32 max_interval);
1852 int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance,
1853                          u16 adv_data_len, u8 *adv_data,
1854                          u16 scan_rsp_len, u8 *scan_rsp_data);
1855 int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance);
1856 void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired);
1857 u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance);
1858 bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance);
1859
1860 void hci_adv_monitors_clear(struct hci_dev *hdev);
1861 void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
1862 int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
1863 int hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle);
1864 int hci_remove_all_adv_monitor(struct hci_dev *hdev);
1865 bool hci_is_adv_monitoring(struct hci_dev *hdev);
1866 int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev);
1867
1868 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
1869
1870 void hci_init_sysfs(struct hci_dev *hdev);
1871 void hci_conn_init_sysfs(struct hci_conn *conn);
1872 void hci_conn_add_sysfs(struct hci_conn *conn);
1873 void hci_conn_del_sysfs(struct hci_conn *conn);
1874
1875 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev))
1876 #define GET_HCIDEV_DEV(hdev) ((hdev)->dev.parent)
1877
1878 /* ----- LMP capabilities ----- */
1879 #define lmp_encrypt_capable(dev)   ((dev)->features[0][0] & LMP_ENCRYPT)
1880 #define lmp_rswitch_capable(dev)   ((dev)->features[0][0] & LMP_RSWITCH)
1881 #define lmp_hold_capable(dev)      ((dev)->features[0][0] & LMP_HOLD)
1882 #define lmp_sniff_capable(dev)     ((dev)->features[0][0] & LMP_SNIFF)
1883 #define lmp_park_capable(dev)      ((dev)->features[0][1] & LMP_PARK)
1884 #define lmp_inq_rssi_capable(dev)  ((dev)->features[0][3] & LMP_RSSI_INQ)
1885 #define lmp_esco_capable(dev)      ((dev)->features[0][3] & LMP_ESCO)
1886 #define lmp_bredr_capable(dev)     (!((dev)->features[0][4] & LMP_NO_BREDR))
1887 #define lmp_le_capable(dev)        ((dev)->features[0][4] & LMP_LE)
1888 #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR)
1889 #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC)
1890 #define lmp_esco_2m_capable(dev)   ((dev)->features[0][5] & LMP_EDR_ESCO_2M)
1891 #define lmp_ext_inq_capable(dev)   ((dev)->features[0][6] & LMP_EXT_INQ)
1892 #define lmp_le_br_capable(dev)     (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR))
1893 #define lmp_ssp_capable(dev)       ((dev)->features[0][6] & LMP_SIMPLE_PAIR)
1894 #define lmp_no_flush_capable(dev)  ((dev)->features[0][6] & LMP_NO_FLUSH)
1895 #define lmp_lsto_capable(dev)      ((dev)->features[0][7] & LMP_LSTO)
1896 #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR)
1897 #define lmp_ext_feat_capable(dev)  ((dev)->features[0][7] & LMP_EXTFEATURES)
1898 #define lmp_transp_capable(dev)    ((dev)->features[0][2] & LMP_TRANSPARENT)
1899 #define lmp_edr_2m_capable(dev)    ((dev)->features[0][3] & LMP_EDR_2M)
1900 #define lmp_edr_3m_capable(dev)    ((dev)->features[0][3] & LMP_EDR_3M)
1901 #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT)
1902 #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT)
1903
1904 /* ----- Extended LMP capabilities ----- */
1905 #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL)
1906 #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL)
1907 #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN)
1908 #define lmp_sync_scan_capable(dev)  ((dev)->features[2][0] & LMP_SYNC_SCAN)
1909 #define lmp_sc_capable(dev)         ((dev)->features[2][1] & LMP_SC)
1910 #define lmp_ping_capable(dev)       ((dev)->features[2][1] & LMP_PING)
1911
1912 /* ----- Host capabilities ----- */
1913 #define lmp_host_ssp_capable(dev)  ((dev)->features[1][0] & LMP_HOST_SSP)
1914 #define lmp_host_sc_capable(dev)   ((dev)->features[1][0] & LMP_HOST_SC)
1915 #define lmp_host_le_capable(dev)   (!!((dev)->features[1][0] & LMP_HOST_LE))
1916 #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR))
1917
1918 #define hdev_is_powered(dev)   (test_bit(HCI_UP, &(dev)->flags) && \
1919                                 !hci_dev_test_flag(dev, HCI_AUTO_OFF))
1920 #define bredr_sc_enabled(dev)  (lmp_sc_capable(dev) && \
1921                                 hci_dev_test_flag(dev, HCI_SC_ENABLED))
1922 #define rpa_valid(dev)         (bacmp(&dev->rpa, BDADDR_ANY) && \
1923                                 !hci_dev_test_flag(dev, HCI_RPA_EXPIRED))
1924 #define adv_rpa_valid(adv)     (bacmp(&adv->random_addr, BDADDR_ANY) && \
1925                                 !adv->rpa_expired)
1926
1927 #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \
1928                       ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M))
1929
1930 #define le_2m_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_2M))
1931
1932 #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \
1933                       ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M))
1934
1935 #define le_coded_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_CODED) && \
1936                                !test_bit(HCI_QUIRK_BROKEN_LE_CODED, \
1937                                          &(dev)->quirks))
1938
1939 #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \
1940                          ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED))
1941
1942 #define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY)
1943
1944 /* Use LL Privacy based address resolution if supported */
1945 #define use_ll_privacy(dev) (ll_privacy_capable(dev) && \
1946                              hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY))
1947
1948 #define privacy_mode_capable(dev) (use_ll_privacy(dev) && \
1949                                    (hdev->commands[39] & 0x04))
1950
1951 /* Use enhanced synchronous connection if command is supported and its quirk
1952  * has not been set.
1953  */
1954 #define enhanced_sync_conn_capable(dev) \
1955         (((dev)->commands[29] & 0x08) && \
1956          !test_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &(dev)->quirks))
1957
1958 /* Use ext scanning if set ext scan param and ext scan enable is supported */
1959 #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \
1960                            ((dev)->commands[37] & 0x40) && \
1961                            !test_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &(dev)->quirks))
1962
1963 /* Use ext create connection if command is supported */
1964 #define use_ext_conn(dev) ((dev)->commands[37] & 0x80)
1965
1966 /* Extended advertising support */
1967 #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV))
1968
1969 /* Maximum advertising length */
1970 #define max_adv_len(dev) \
1971         (ext_adv_capable(dev) ? HCI_MAX_EXT_AD_LENGTH : HCI_MAX_AD_LENGTH)
1972
1973 /* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 1789:
1974  *
1975  * C24: Mandatory if the LE Controller supports Connection State and either
1976  * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported
1977  */
1978 #define use_enhanced_conn_complete(dev) (ll_privacy_capable(dev) || \
1979                                          ext_adv_capable(dev))
1980
1981 /* Periodic advertising support */
1982 #define per_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_PERIODIC_ADV))
1983
1984 /* CIS Master/Slave and BIS support */
1985 #define iso_capable(dev) (cis_capable(dev) || bis_capable(dev))
1986 #define cis_capable(dev) \
1987         (cis_central_capable(dev) || cis_peripheral_capable(dev))
1988 #define cis_central_capable(dev) \
1989         ((dev)->le_features[3] & HCI_LE_CIS_CENTRAL)
1990 #define cis_peripheral_capable(dev) \
1991         ((dev)->le_features[3] & HCI_LE_CIS_PERIPHERAL)
1992 #define bis_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_BROADCASTER)
1993 #define sync_recv_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_SYNC_RECEIVER)
1994
1995 #define mws_transport_config_capable(dev) (((dev)->commands[30] & 0x08) && \
1996         (!test_bit(HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG, &(dev)->quirks)))
1997
1998 /* ----- HCI protocols ----- */
1999 #define HCI_PROTO_DEFER             0x01
2000
2001 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
2002                                         __u8 type, __u8 *flags)
2003 {
2004         switch (type) {
2005         case ACL_LINK:
2006                 return l2cap_connect_ind(hdev, bdaddr);
2007
2008         case SCO_LINK:
2009         case ESCO_LINK:
2010                 return sco_connect_ind(hdev, bdaddr, flags);
2011
2012         case ISO_LINK:
2013                 return iso_connect_ind(hdev, bdaddr, flags);
2014
2015         default:
2016                 BT_ERR("unknown link type %d", type);
2017                 return -EINVAL;
2018         }
2019 }
2020
2021 static inline int hci_proto_disconn_ind(struct hci_conn *conn)
2022 {
2023         if (conn->type != ACL_LINK && conn->type != LE_LINK)
2024                 return HCI_ERROR_REMOTE_USER_TERM;
2025
2026         return l2cap_disconn_ind(conn);
2027 }
2028
2029 /* ----- HCI callbacks ----- */
2030 struct hci_cb {
2031         struct list_head list;
2032
2033         char *name;
2034
2035         void (*connect_cfm)     (struct hci_conn *conn, __u8 status);
2036         void (*disconn_cfm)     (struct hci_conn *conn, __u8 status);
2037         void (*security_cfm)    (struct hci_conn *conn, __u8 status,
2038                                                                 __u8 encrypt);
2039         void (*key_change_cfm)  (struct hci_conn *conn, __u8 status);
2040         void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
2041 };
2042
2043 static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status)
2044 {
2045         struct hci_cb *cb;
2046
2047         mutex_lock(&hci_cb_list_lock);
2048         list_for_each_entry(cb, &hci_cb_list, list) {
2049                 if (cb->connect_cfm)
2050                         cb->connect_cfm(conn, status);
2051         }
2052         mutex_unlock(&hci_cb_list_lock);
2053
2054         if (conn->connect_cfm_cb)
2055                 conn->connect_cfm_cb(conn, status);
2056 }
2057
2058 static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason)
2059 {
2060         struct hci_cb *cb;
2061
2062         mutex_lock(&hci_cb_list_lock);
2063         list_for_each_entry(cb, &hci_cb_list, list) {
2064                 if (cb->disconn_cfm)
2065                         cb->disconn_cfm(conn, reason);
2066         }
2067         mutex_unlock(&hci_cb_list_lock);
2068
2069         if (conn->disconn_cfm_cb)
2070                 conn->disconn_cfm_cb(conn, reason);
2071 }
2072
2073 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
2074 {
2075         struct hci_cb *cb;
2076         __u8 encrypt;
2077
2078         if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
2079                 return;
2080
2081         encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00;
2082
2083         mutex_lock(&hci_cb_list_lock);
2084         list_for_each_entry(cb, &hci_cb_list, list) {
2085                 if (cb->security_cfm)
2086                         cb->security_cfm(conn, status, encrypt);
2087         }
2088         mutex_unlock(&hci_cb_list_lock);
2089
2090         if (conn->security_cfm_cb)
2091                 conn->security_cfm_cb(conn, status);
2092 }
2093
2094 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status)
2095 {
2096         struct hci_cb *cb;
2097         __u8 encrypt;
2098
2099         if (conn->state == BT_CONFIG) {
2100                 if (!status)
2101                         conn->state = BT_CONNECTED;
2102
2103                 hci_connect_cfm(conn, status);
2104                 hci_conn_drop(conn);
2105                 return;
2106         }
2107
2108         if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags))
2109                 encrypt = 0x00;
2110         else if (test_bit(HCI_CONN_AES_CCM, &conn->flags))
2111                 encrypt = 0x02;
2112         else
2113                 encrypt = 0x01;
2114
2115         if (!status) {
2116                 if (conn->sec_level == BT_SECURITY_SDP)
2117                         conn->sec_level = BT_SECURITY_LOW;
2118
2119                 if (conn->pending_sec_level > conn->sec_level)
2120                         conn->sec_level = conn->pending_sec_level;
2121         }
2122
2123         mutex_lock(&hci_cb_list_lock);
2124         list_for_each_entry(cb, &hci_cb_list, list) {
2125                 if (cb->security_cfm)
2126                         cb->security_cfm(conn, status, encrypt);
2127         }
2128         mutex_unlock(&hci_cb_list_lock);
2129
2130         if (conn->security_cfm_cb)
2131                 conn->security_cfm_cb(conn, status);
2132 }
2133
2134 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
2135 {
2136         struct hci_cb *cb;
2137
2138         mutex_lock(&hci_cb_list_lock);
2139         list_for_each_entry(cb, &hci_cb_list, list) {
2140                 if (cb->key_change_cfm)
2141                         cb->key_change_cfm(conn, status);
2142         }
2143         mutex_unlock(&hci_cb_list_lock);
2144 }
2145
2146 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
2147                                                                 __u8 role)
2148 {
2149         struct hci_cb *cb;
2150
2151         mutex_lock(&hci_cb_list_lock);
2152         list_for_each_entry(cb, &hci_cb_list, list) {
2153                 if (cb->role_switch_cfm)
2154                         cb->role_switch_cfm(conn, status, role);
2155         }
2156         mutex_unlock(&hci_cb_list_lock);
2157 }
2158
2159 static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type)
2160 {
2161         if (addr_type != ADDR_LE_DEV_RANDOM)
2162                 return false;
2163
2164         if ((bdaddr->b[5] & 0xc0) == 0x40)
2165                return true;
2166
2167         return false;
2168 }
2169
2170 static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type)
2171 {
2172         if (addr_type == ADDR_LE_DEV_PUBLIC)
2173                 return true;
2174
2175         /* Check for Random Static address type */
2176         if ((addr->b[5] & 0xc0) == 0xc0)
2177                 return true;
2178
2179         return false;
2180 }
2181
2182 static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev,
2183                                           bdaddr_t *bdaddr, u8 addr_type)
2184 {
2185         if (!hci_bdaddr_is_rpa(bdaddr, addr_type))
2186                 return NULL;
2187
2188         return hci_find_irk_by_rpa(hdev, bdaddr);
2189 }
2190
2191 static inline int hci_check_conn_params(u16 min, u16 max, u16 latency,
2192                                         u16 to_multiplier)
2193 {
2194         u16 max_latency;
2195
2196         if (min > max || min < 6 || max > 3200)
2197                 return -EINVAL;
2198
2199         if (to_multiplier < 10 || to_multiplier > 3200)
2200                 return -EINVAL;
2201
2202         if (max >= to_multiplier * 8)
2203                 return -EINVAL;
2204
2205         max_latency = (to_multiplier * 4 / max) - 1;
2206         if (latency > 499 || latency > max_latency)
2207                 return -EINVAL;
2208
2209         return 0;
2210 }
2211
2212 int hci_register_cb(struct hci_cb *hcb);
2213 int hci_unregister_cb(struct hci_cb *hcb);
2214
2215 int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen,
2216                    const void *param);
2217
2218 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen,
2219                  const void *param);
2220 void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
2221 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
2222 void hci_send_iso(struct hci_conn *conn, struct sk_buff *skb);
2223
2224 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
2225 void *hci_recv_event_data(struct hci_dev *hdev, __u8 event);
2226
2227 u32 hci_conn_get_phy(struct hci_conn *conn);
2228
2229 /* ----- HCI Sockets ----- */
2230 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
2231 void hci_send_to_channel(unsigned short channel, struct sk_buff *skb,
2232                          int flag, struct sock *skip_sk);
2233 void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb);
2234 void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event,
2235                                  void *data, u16 data_len, ktime_t tstamp,
2236                                  int flag, struct sock *skip_sk);
2237
2238 void hci_sock_dev_event(struct hci_dev *hdev, int event);
2239
2240 #define HCI_MGMT_VAR_LEN        BIT(0)
2241 #define HCI_MGMT_NO_HDEV        BIT(1)
2242 #define HCI_MGMT_UNTRUSTED      BIT(2)
2243 #define HCI_MGMT_UNCONFIGURED   BIT(3)
2244 #define HCI_MGMT_HDEV_OPTIONAL  BIT(4)
2245
2246 struct hci_mgmt_handler {
2247         int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
2248                      u16 data_len);
2249         size_t data_len;
2250         unsigned long flags;
2251 };
2252
2253 struct hci_mgmt_chan {
2254         struct list_head list;
2255         unsigned short channel;
2256         size_t handler_count;
2257         const struct hci_mgmt_handler *handlers;
2258 #ifdef TIZEN_BT
2259         size_t tizen_handler_count;
2260         const struct hci_mgmt_handler *tizen_handlers;
2261 #endif
2262         void (*hdev_init) (struct sock *sk, struct hci_dev *hdev);
2263 };
2264
2265 int hci_mgmt_chan_register(struct hci_mgmt_chan *c);
2266 void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c);
2267
2268 /* Management interface */
2269 #define DISCOV_TYPE_BREDR               (BIT(BDADDR_BREDR))
2270 #define DISCOV_TYPE_LE                  (BIT(BDADDR_LE_PUBLIC) | \
2271                                          BIT(BDADDR_LE_RANDOM))
2272 #define DISCOV_TYPE_INTERLEAVED         (BIT(BDADDR_BREDR) | \
2273                                          BIT(BDADDR_LE_PUBLIC) | \
2274                                          BIT(BDADDR_LE_RANDOM))
2275
2276 /* These LE scan and inquiry parameters were chosen according to LE General
2277  * Discovery Procedure specification.
2278  */
2279 #define DISCOV_LE_SCAN_WIN              0x12
2280 #define DISCOV_LE_SCAN_INT              0x12
2281 #define DISCOV_LE_TIMEOUT               10240   /* msec */
2282 #define DISCOV_INTERLEAVED_TIMEOUT      5120    /* msec */
2283 #define DISCOV_INTERLEAVED_INQUIRY_LEN  0x04
2284 #define DISCOV_BREDR_INQUIRY_LEN        0x08
2285 #define DISCOV_LE_RESTART_DELAY         msecs_to_jiffies(200)   /* msec */
2286 #define DISCOV_LE_FAST_ADV_INT_MIN      0x00A0  /* 100 msec */
2287 #define DISCOV_LE_FAST_ADV_INT_MAX      0x00F0  /* 150 msec */
2288 #define DISCOV_LE_PER_ADV_INT_MIN       0x00A0  /* 200 msec */
2289 #define DISCOV_LE_PER_ADV_INT_MAX       0x00A0  /* 200 msec */
2290 #define DISCOV_LE_ADV_MESH_MIN          0x00A0  /* 100 msec */
2291 #define DISCOV_LE_ADV_MESH_MAX          0x00A0  /* 100 msec */
2292 #define INTERVAL_TO_MS(x)               (((x) * 10) / 0x10)
2293
2294 #define NAME_RESOLVE_DURATION           msecs_to_jiffies(10240) /* 10.24 sec */
2295
2296 void mgmt_fill_version_info(void *ver);
2297 int mgmt_new_settings(struct hci_dev *hdev);
2298 void mgmt_index_added(struct hci_dev *hdev);
2299 void mgmt_index_removed(struct hci_dev *hdev);
2300 void mgmt_set_powered_failed(struct hci_dev *hdev, int err);
2301 void mgmt_power_on(struct hci_dev *hdev, int err);
2302 void __mgmt_power_off(struct hci_dev *hdev);
2303 void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
2304                        bool persistent);
2305 void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
2306                            u8 *name, u8 name_len);
2307 void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
2308                               u8 link_type, u8 addr_type, u8 reason,
2309                               bool mgmt_connected);
2310 void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
2311                             u8 link_type, u8 addr_type, u8 status);
2312 void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2313                          u8 addr_type, u8 status);
2314 void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
2315 void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2316                                   u8 status);
2317 void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2318                                       u8 status);
2319 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
2320                               u8 link_type, u8 addr_type, u32 value,
2321                               u8 confirm_hint);
2322 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2323                                      u8 link_type, u8 addr_type, u8 status);
2324 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2325                                          u8 link_type, u8 addr_type, u8 status);
2326 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
2327                               u8 link_type, u8 addr_type);
2328 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2329                                      u8 link_type, u8 addr_type, u8 status);
2330 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2331                                          u8 link_type, u8 addr_type, u8 status);
2332 int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
2333                              u8 link_type, u8 addr_type, u32 passkey,
2334                              u8 entered);
2335 void mgmt_auth_failed(struct hci_conn *conn, u8 status);
2336 void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
2337 void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
2338                                     u8 status);
2339 void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
2340 void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status);
2341 void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status);
2342 void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2343                        u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
2344                        u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len,
2345                        u64 instant);
2346 void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2347                       u8 addr_type, s8 rssi, u8 *name, u8 name_len);
2348 void mgmt_discovering(struct hci_dev *hdev, u8 discovering);
2349 void mgmt_suspending(struct hci_dev *hdev, u8 state);
2350 void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr,
2351                    u8 addr_type);
2352 bool mgmt_powering_down(struct hci_dev *hdev);
2353 void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent);
2354 void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent);
2355 void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
2356                    bool persistent);
2357 void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
2358                          u8 bdaddr_type, u8 store_hint, u16 min_interval,
2359                          u16 max_interval, u16 latency, u16 timeout);
2360 void mgmt_smp_complete(struct hci_conn *conn, bool complete);
2361 bool mgmt_get_connectable(struct hci_dev *hdev);
2362 u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev);
2363 void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev,
2364                             u8 instance);
2365 void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev,
2366                               u8 instance);
2367 void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle);
2368 int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip);
2369 void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle,
2370                                   bdaddr_t *bdaddr, u8 addr_type);
2371
2372 #ifdef TIZEN_BT
2373 void mgmt_rssi_enable_success(struct sock *sk, struct hci_dev *hdev,
2374                 void *data, struct hci_cc_rsp_enable_rssi *rp, int success);
2375 void mgmt_rssi_disable_success(struct sock *sk, struct hci_dev *hdev,
2376                 void *data, struct hci_cc_rsp_enable_rssi *rp, int success);
2377 int mgmt_set_rssi_threshold(struct sock *sk, struct hci_dev *hdev,
2378                 void *data, u16 len);
2379 void mgmt_rssi_alert_evt(struct hci_dev *hdev, u16 conn_handle,
2380                 s8 alert_type, s8 rssi_dbm);
2381 void mgmt_raw_rssi_response(struct hci_dev *hdev,
2382                 struct hci_cc_rp_get_raw_rssi *rp, int success);
2383 void mgmt_enable_rssi_cc(struct hci_dev *hdev, void *response, u8 status);
2384 int mgmt_device_name_update(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name,
2385                 u8 name_len);
2386 void mgmt_le_discovering(struct hci_dev *hdev, u8 discovering);
2387 int mgmt_le_conn_updated(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type,
2388                 u8 dst_type, u16 conn_interval, u16 conn_latency,
2389                 u16 supervision_timeout);
2390 int mgmt_le_conn_update_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
2391                 u8 link_type, u8 addr_type, u8 status);
2392 void mgmt_hardware_error(struct hci_dev *hdev, u8 err_code);
2393 void mgmt_tx_timeout_error(struct hci_dev *hdev);
2394 /*  Pass adv type in the le device found */
2395 void mgmt_le_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2396                 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, u8 *eir,
2397                 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len, u8 adv_type);
2398 void mgmt_multi_adv_state_change_evt(struct hci_dev *hdev, u8 adv_instance,
2399                 u8 state_change_reason, u16 connection_handle);
2400 #endif
2401
2402 int hci_abort_conn(struct hci_conn *conn, u8 reason);
2403 u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency,
2404                       u16 to_multiplier);
2405 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand,
2406                       __u8 ltk[16], __u8 key_size);
2407
2408 void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr,
2409                                u8 *bdaddr_type);
2410
2411 #define SCO_AIRMODE_MASK       0x0003
2412 #define SCO_AIRMODE_CVSD       0x0000
2413 #define SCO_AIRMODE_TRANSP     0x0003
2414
2415 #define LOCAL_CODEC_ACL_MASK    BIT(0)
2416 #define LOCAL_CODEC_SCO_MASK    BIT(1)
2417
2418 #define TRANSPORT_TYPE_MAX      0x04
2419
2420 #endif /* __HCI_CORE_H */