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         __u8            sco_role;
 796         __u16           voice_setting;
 797 #endif
 798         struct list_head link_list;
 799         struct hci_conn *parent;
 800         struct hci_link *link;
 801
 802         struct bt_codec codec;
 803
 804         void (*connect_cfm_cb)  (struct hci_conn *conn, u8 status);
 805         void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
 806         void (*disconn_cfm_cb)  (struct hci_conn *conn, u8 reason);
 807
 808         void (*cleanup)(struct hci_conn *conn);
 809 };
 810
 811 struct hci_link {
 812         struct list_head list;
 813         struct hci_conn *conn;
 814 };
 815
 816 struct hci_chan {
 817         struct list_head list;
 818         __u16 handle;
 819         struct hci_conn *conn;
 820         struct sk_buff_head data_q;
 821         unsigned int    sent;
 822         __u8            state;
 823         bool            amp;
 824 };
 825
 826 struct hci_conn_params {
 827         struct list_head list;
 828         struct list_head action;
 829
 830         bdaddr_t addr;
 831         u8 addr_type;
 832
 833         u16 conn_min_interval;
 834         u16 conn_max_interval;
 835         u16 conn_latency;
 836         u16 supervision_timeout;
 837
 838         enum {
 839                 HCI_AUTO_CONN_DISABLED,
 840                 HCI_AUTO_CONN_REPORT,
 841                 HCI_AUTO_CONN_DIRECT,
 842                 HCI_AUTO_CONN_ALWAYS,
 843                 HCI_AUTO_CONN_LINK_LOSS,
 844                 HCI_AUTO_CONN_EXPLICIT,
 845         } auto_connect;
 846
 847         struct hci_conn *conn;
 848         bool explicit_connect;
 849         /* Accessed without hdev->lock: */
 850         hci_conn_flags_t flags;
 851         u8  privacy_mode;
 852 };
 853
 854 extern struct list_head hci_dev_list;
 855 extern struct list_head hci_cb_list;
 856 extern rwlock_t hci_dev_list_lock;
 857 extern struct mutex hci_cb_list_lock;
 858
 859 #define hci_dev_set_flag(hdev, nr)             set_bit((nr), (hdev)->dev_flags)
 860 #define hci_dev_clear_flag(hdev, nr)           clear_bit((nr), (hdev)->dev_flags)
 861 #define hci_dev_change_flag(hdev, nr)          change_bit((nr), (hdev)->dev_flags)
 862 #define hci_dev_test_flag(hdev, nr)            test_bit((nr), (hdev)->dev_flags)
 863 #define hci_dev_test_and_set_flag(hdev, nr)    test_and_set_bit((nr), (hdev)->dev_flags)
 864 #define hci_dev_test_and_clear_flag(hdev, nr)  test_and_clear_bit((nr), (hdev)->dev_flags)
 865 #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags)
 866
 867 #define hci_dev_clear_volatile_flags(hdev)                      \
 868         do {                                                    \
 869                 hci_dev_clear_flag(hdev, HCI_LE_SCAN);          \
 870                 hci_dev_clear_flag(hdev, HCI_LE_ADV);           \
 871                 hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\
 872                 hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ);     \
 873                 hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT);   \
 874         } while (0)
 875
 876 #define hci_dev_le_state_simultaneous(hdev) \
 877         (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && \
 878          (hdev->le_states[4] & 0x08) && /* Central */ \
 879          (hdev->le_states[4] & 0x40) && /* Peripheral */ \
 880          (hdev->le_states[3] & 0x10))   /* Simultaneous */
 881
 882 /* ----- HCI interface to upper protocols ----- */
 883 int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
 884 int l2cap_disconn_ind(struct hci_conn *hcon);
 885 void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
 886
 887 #if IS_ENABLED(CONFIG_BT_BREDR)
 888 int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
 889 void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
 890 #else
 891 static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
 892                                   __u8 *flags)
 893 {
 894         return 0;
 895 }
 896
 897 static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb)
 898 {
 899 }
 900 #endif
 901
 902 #if IS_ENABLED(CONFIG_BT_LE)
 903 int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
 904 void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
 905 #else
 906 static inline int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
 907                                   __u8 *flags)
 908 {
 909         return 0;
 910 }
 911 static inline void iso_recv(struct hci_conn *hcon, struct sk_buff *skb,
 912                             u16 flags)
 913 {
 914 }
 915 #endif
 916
 917 /* ----- Inquiry cache ----- */
 918 #define INQUIRY_CACHE_AGE_MAX   (HZ*30)   /* 30 seconds */
 919 #define INQUIRY_ENTRY_AGE_MAX   (HZ*60)   /* 60 seconds */
 920
 921 static inline void discovery_init(struct hci_dev *hdev)
 922 {
 923         hdev->discovery.state = DISCOVERY_STOPPED;
 924         INIT_LIST_HEAD(&hdev->discovery.all);
 925         INIT_LIST_HEAD(&hdev->discovery.unknown);
 926         INIT_LIST_HEAD(&hdev->discovery.resolve);
 927         hdev->discovery.report_invalid_rssi = true;
 928         hdev->discovery.rssi = HCI_RSSI_INVALID;
 929 }
 930
 931 static inline void hci_discovery_filter_clear(struct hci_dev *hdev)
 932 {
 933         hdev->discovery.result_filtering = false;
 934         hdev->discovery.report_invalid_rssi = true;
 935         hdev->discovery.rssi = HCI_RSSI_INVALID;
 936         hdev->discovery.uuid_count = 0;
 937         kfree(hdev->discovery.uuids);
 938         hdev->discovery.uuids = NULL;
 939         hdev->discovery.scan_start = 0;
 940         hdev->discovery.scan_duration = 0;
 941 }
 942
 943 bool hci_discovery_active(struct hci_dev *hdev);
 944
 945 void hci_discovery_set_state(struct hci_dev *hdev, int state);
 946
 947 static inline int inquiry_cache_empty(struct hci_dev *hdev)
 948 {
 949         return list_empty(&hdev->discovery.all);
 950 }
 951
 952 static inline long inquiry_cache_age(struct hci_dev *hdev)
 953 {
 954         struct discovery_state *c = &hdev->discovery;
 955         return jiffies - c->timestamp;
 956 }
 957
 958 static inline long inquiry_entry_age(struct inquiry_entry *e)
 959 {
 960         return jiffies - e->timestamp;
 961 }
 962
 963 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
 964                                                bdaddr_t *bdaddr);
 965 struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
 966                                                        bdaddr_t *bdaddr);
 967 struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
 968                                                        bdaddr_t *bdaddr,
 969                                                        int state);
 970 void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
 971                                       struct inquiry_entry *ie);
 972 u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
 973                              bool name_known);
 974 void hci_inquiry_cache_flush(struct hci_dev *hdev);
 975
 976 /* ----- HCI Connections ----- */
 977 #ifdef TIZEN_BT
 978 #define LINK_SUPERVISION_TIMEOUT        0x1F40   /* n * 0.625 = 5 seconds */
 979 #endif /* TIZEN_BT */
 980
 981 enum {
 982         HCI_CONN_AUTH_PEND,
 983         HCI_CONN_ENCRYPT_PEND,
 984         HCI_CONN_RSWITCH_PEND,
 985         HCI_CONN_MODE_CHANGE_PEND,
 986         HCI_CONN_SCO_SETUP_PEND,
 987         HCI_CONN_MGMT_CONNECTED,
 988         HCI_CONN_SSP_ENABLED,
 989         HCI_CONN_SC_ENABLED,
 990         HCI_CONN_AES_CCM,
 991         HCI_CONN_POWER_SAVE,
 992         HCI_CONN_FLUSH_KEY,
 993         HCI_CONN_ENCRYPT,
 994         HCI_CONN_AUTH,
 995         HCI_CONN_SECURE,
 996         HCI_CONN_FIPS,
 997         HCI_CONN_STK_ENCRYPT,
 998         HCI_CONN_AUTH_INITIATOR,
 999         HCI_CONN_DROP,
1000         HCI_CONN_CANCEL,
1001         HCI_CONN_PARAM_REMOVAL_PEND,
1002         HCI_CONN_NEW_LINK_KEY,
1003         HCI_CONN_SCANNING,
1004         HCI_CONN_AUTH_FAILURE,
1005         HCI_CONN_PER_ADV,
1006         HCI_CONN_BIG_CREATED,
1007         HCI_CONN_CREATE_CIS,
1008         HCI_CONN_BIG_SYNC,
1009         HCI_CONN_BIG_SYNC_FAILED,
1010         HCI_CONN_PA_SYNC,
1011         HCI_CONN_PA_SYNC_FAILED,
1012 };
1013
1014 static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)
1015 {
1016         struct hci_dev *hdev = conn->hdev;
1017         return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
1018                test_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
1019 }
1020
1021 static inline bool hci_conn_sc_enabled(struct hci_conn *conn)
1022 {
1023         struct hci_dev *hdev = conn->hdev;
1024         return hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
1025                test_bit(HCI_CONN_SC_ENABLED, &conn->flags);
1026 }
1027
1028 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
1029 {
1030         struct hci_conn_hash *h = &hdev->conn_hash;
1031         list_add_tail_rcu(&c->list, &h->list);
1032         switch (c->type) {
1033         case ACL_LINK:
1034                 h->acl_num++;
1035                 break;
1036         case AMP_LINK:
1037                 h->amp_num++;
1038                 break;
1039         case LE_LINK:
1040                 h->le_num++;
1041                 if (c->role == HCI_ROLE_SLAVE)
1042                         h->le_num_peripheral++;
1043                 break;
1044         case SCO_LINK:
1045         case ESCO_LINK:
1046                 h->sco_num++;
1047                 break;
1048         case ISO_LINK:
1049                 h->iso_num++;
1050                 break;
1051         }
1052 }
1053
1054 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
1055 {
1056         struct hci_conn_hash *h = &hdev->conn_hash;
1057
1058         list_del_rcu(&c->list);
1059         synchronize_rcu();
1060
1061         switch (c->type) {
1062         case ACL_LINK:
1063                 h->acl_num--;
1064                 break;
1065         case AMP_LINK:
1066                 h->amp_num--;
1067                 break;
1068         case LE_LINK:
1069                 h->le_num--;
1070                 if (c->role == HCI_ROLE_SLAVE)
1071                         h->le_num_peripheral--;
1072                 break;
1073         case SCO_LINK:
1074         case ESCO_LINK:
1075                 h->sco_num--;
1076                 break;
1077         case ISO_LINK:
1078                 h->iso_num--;
1079                 break;
1080         }
1081 }
1082
1083 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
1084 {
1085         struct hci_conn_hash *h = &hdev->conn_hash;
1086         switch (type) {
1087         case ACL_LINK:
1088                 return h->acl_num;
1089         case AMP_LINK:
1090                 return h->amp_num;
1091         case LE_LINK:
1092                 return h->le_num;
1093         case SCO_LINK:
1094         case ESCO_LINK:
1095                 return h->sco_num;
1096         case ISO_LINK:
1097                 return h->iso_num;
1098         default:
1099                 return 0;
1100         }
1101 }
1102
1103 static inline unsigned int hci_conn_count(struct hci_dev *hdev)
1104 {
1105         struct hci_conn_hash *c = &hdev->conn_hash;
1106
1107         return c->acl_num + c->amp_num + c->sco_num + c->le_num + c->iso_num;
1108 }
1109
1110 static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle)
1111 {
1112         struct hci_conn_hash *h = &hdev->conn_hash;
1113         struct hci_conn *c;
1114         __u8 type = INVALID_LINK;
1115
1116         rcu_read_lock();
1117
1118         list_for_each_entry_rcu(c, &h->list, list) {
1119                 if (c->handle == handle) {
1120                         type = c->type;
1121                         break;
1122                 }
1123         }
1124
1125         rcu_read_unlock();
1126
1127         return type;
1128 }
1129
1130 static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev,
1131                                                         bdaddr_t *ba, __u8 bis)
1132 {
1133         struct hci_conn_hash *h = &hdev->conn_hash;
1134         struct hci_conn  *c;
1135
1136         rcu_read_lock();
1137
1138         list_for_each_entry_rcu(c, &h->list, list) {
1139                 if (bacmp(&c->dst, ba) || c->type != ISO_LINK)
1140                         continue;
1141
1142                 if (c->iso_qos.bcast.bis == bis) {
1143                         rcu_read_unlock();
1144                         return c;
1145                 }
1146         }
1147         rcu_read_unlock();
1148
1149         return NULL;
1150 }
1151
1152 static inline struct hci_conn *
1153 hci_conn_hash_lookup_per_adv_bis(struct hci_dev *hdev,
1154                                  bdaddr_t *ba,
1155                                  __u8 big, __u8 bis)
1156 {
1157         struct hci_conn_hash *h = &hdev->conn_hash;
1158         struct hci_conn  *c;
1159
1160         rcu_read_lock();
1161
1162         list_for_each_entry_rcu(c, &h->list, list) {
1163                 if (bacmp(&c->dst, ba) || c->type != ISO_LINK ||
1164                         !test_bit(HCI_CONN_PER_ADV, &c->flags))
1165                         continue;
1166
1167                 if (c->iso_qos.bcast.big == big &&
1168                     c->iso_qos.bcast.bis == bis) {
1169                         rcu_read_unlock();
1170                         return c;
1171                 }
1172         }
1173         rcu_read_unlock();
1174
1175         return NULL;
1176 }
1177
1178 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
1179                                                                 __u16 handle)
1180 {
1181         struct hci_conn_hash *h = &hdev->conn_hash;
1182         struct hci_conn  *c;
1183
1184         rcu_read_lock();
1185
1186         list_for_each_entry_rcu(c, &h->list, list) {
1187                 if (c->handle == handle) {
1188                         rcu_read_unlock();
1189                         return c;
1190                 }
1191         }
1192         rcu_read_unlock();
1193
1194         return NULL;
1195 }
1196
1197 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
1198                                                         __u8 type, bdaddr_t *ba)
1199 {
1200         struct hci_conn_hash *h = &hdev->conn_hash;
1201         struct hci_conn  *c;
1202
1203         rcu_read_lock();
1204
1205         list_for_each_entry_rcu(c, &h->list, list) {
1206                 if (c->type == type && !bacmp(&c->dst, ba)) {
1207                         rcu_read_unlock();
1208                         return c;
1209                 }
1210         }
1211
1212         rcu_read_unlock();
1213
1214         return NULL;
1215 }
1216
1217 static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev,
1218                                                        bdaddr_t *ba,
1219                                                        __u8 ba_type)
1220 {
1221         struct hci_conn_hash *h = &hdev->conn_hash;
1222         struct hci_conn  *c;
1223
1224         rcu_read_lock();
1225
1226         list_for_each_entry_rcu(c, &h->list, list) {
1227                 if (c->type != LE_LINK)
1228                        continue;
1229
1230                 if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) {
1231                         rcu_read_unlock();
1232                         return c;
1233                 }
1234         }
1235
1236         rcu_read_unlock();
1237
1238         return NULL;
1239 }
1240
1241 static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev,
1242                                                         bdaddr_t *ba,
1243                                                         __u8 ba_type,
1244                                                         __u8 cig,
1245                                                         __u8 id)
1246 {
1247         struct hci_conn_hash *h = &hdev->conn_hash;
1248         struct hci_conn  *c;
1249
1250         rcu_read_lock();
1251
1252         list_for_each_entry_rcu(c, &h->list, list) {
1253                 if (c->type != ISO_LINK || !bacmp(&c->dst, BDADDR_ANY))
1254                         continue;
1255
1256                 /* Match CIG ID if set */
1257                 if (cig != c->iso_qos.ucast.cig)
1258                         continue;
1259
1260                 /* Match CIS ID if set */
1261                 if (id != c->iso_qos.ucast.cis)
1262                         continue;
1263
1264                 /* Match destination address if set */
1265                 if (!ba || (ba_type == c->dst_type && !bacmp(&c->dst, ba))) {
1266                         rcu_read_unlock();
1267                         return c;
1268                 }
1269         }
1270
1271         rcu_read_unlock();
1272
1273         return NULL;
1274 }
1275
1276 static inline struct hci_conn *hci_conn_hash_lookup_cig(struct hci_dev *hdev,
1277                                                         __u8 handle)
1278 {
1279         struct hci_conn_hash *h = &hdev->conn_hash;
1280         struct hci_conn  *c;
1281
1282         rcu_read_lock();
1283
1284         list_for_each_entry_rcu(c, &h->list, list) {
1285                 if (c->type != ISO_LINK || !bacmp(&c->dst, BDADDR_ANY))
1286                         continue;
1287
1288                 if (handle == c->iso_qos.ucast.cig) {
1289                         rcu_read_unlock();
1290                         return c;
1291                 }
1292         }
1293
1294         rcu_read_unlock();
1295
1296         return NULL;
1297 }
1298
1299 static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev,
1300                                                         __u8 handle)
1301 {
1302         struct hci_conn_hash *h = &hdev->conn_hash;
1303         struct hci_conn  *c;
1304
1305         rcu_read_lock();
1306
1307         list_for_each_entry_rcu(c, &h->list, list) {
1308                 if (bacmp(&c->dst, BDADDR_ANY) || c->type != ISO_LINK)
1309                         continue;
1310
1311                 if (handle == c->iso_qos.bcast.big) {
1312                         rcu_read_unlock();
1313                         return c;
1314                 }
1315         }
1316
1317         rcu_read_unlock();
1318
1319         return NULL;
1320 }
1321
1322 static inline struct hci_conn *hci_conn_hash_lookup_big_any_dst(struct hci_dev *hdev,
1323                                                         __u8 handle)
1324 {
1325         struct hci_conn_hash *h = &hdev->conn_hash;
1326         struct hci_conn  *c;
1327
1328         rcu_read_lock();
1329
1330         list_for_each_entry_rcu(c, &h->list, list) {
1331                 if (c->type != ISO_LINK)
1332                         continue;
1333
1334                 if (handle != BT_ISO_QOS_BIG_UNSET && handle == c->iso_qos.bcast.big) {
1335                         rcu_read_unlock();
1336                         return c;
1337                 }
1338         }
1339
1340         rcu_read_unlock();
1341
1342         return NULL;
1343 }
1344
1345 static inline struct hci_conn *
1346 hci_conn_hash_lookup_pa_sync_big_handle(struct hci_dev *hdev, __u8 big)
1347 {
1348         struct hci_conn_hash *h = &hdev->conn_hash;
1349         struct hci_conn  *c;
1350
1351         rcu_read_lock();
1352
1353         list_for_each_entry_rcu(c, &h->list, list) {
1354                 if (c->type != ISO_LINK ||
1355                         !test_bit(HCI_CONN_PA_SYNC, &c->flags))
1356                         continue;
1357
1358                 if (c->iso_qos.bcast.big == big) {
1359                         rcu_read_unlock();
1360                         return c;
1361                 }
1362         }
1363         rcu_read_unlock();
1364
1365         return NULL;
1366 }
1367
1368 static inline struct hci_conn *
1369 hci_conn_hash_lookup_pa_sync_handle(struct hci_dev *hdev, __u16 sync_handle)
1370 {
1371         struct hci_conn_hash *h = &hdev->conn_hash;
1372         struct hci_conn  *c;
1373
1374         rcu_read_lock();
1375
1376         list_for_each_entry_rcu(c, &h->list, list) {
1377                 if (c->type != ISO_LINK ||
1378                         !test_bit(HCI_CONN_PA_SYNC, &c->flags))
1379                         continue;
1380
1381                 if (c->sync_handle == sync_handle) {
1382                         rcu_read_unlock();
1383                         return c;
1384                 }
1385         }
1386         rcu_read_unlock();
1387
1388         return NULL;
1389 }
1390
1391 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
1392                                                         __u8 type, __u16 state)
1393 {
1394         struct hci_conn_hash *h = &hdev->conn_hash;
1395         struct hci_conn  *c;
1396
1397         rcu_read_lock();
1398
1399         list_for_each_entry_rcu(c, &h->list, list) {
1400                 if (c->type == type && c->state == state) {
1401                         rcu_read_unlock();
1402                         return c;
1403                 }
1404         }
1405
1406         rcu_read_unlock();
1407
1408         return NULL;
1409 }
1410
1411 typedef void (*hci_conn_func_t)(struct hci_conn *conn, void *data);
1412 static inline void hci_conn_hash_list_state(struct hci_dev *hdev,
1413                                             hci_conn_func_t func, __u8 type,
1414                                             __u16 state, void *data)
1415 {
1416         struct hci_conn_hash *h = &hdev->conn_hash;
1417         struct hci_conn  *c;
1418
1419         if (!func)
1420                 return;
1421
1422         rcu_read_lock();
1423
1424         list_for_each_entry_rcu(c, &h->list, list) {
1425                 if (c->type == type && c->state == state)
1426                         func(c, data);
1427         }
1428
1429         rcu_read_unlock();
1430 }
1431
1432 static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev)
1433 {
1434         struct hci_conn_hash *h = &hdev->conn_hash;
1435         struct hci_conn  *c;
1436
1437         rcu_read_lock();
1438
1439         list_for_each_entry_rcu(c, &h->list, list) {
1440                 if (c->type == LE_LINK && c->state == BT_CONNECT &&
1441                     !test_bit(HCI_CONN_SCANNING, &c->flags)) {
1442                         rcu_read_unlock();
1443                         return c;
1444                 }
1445         }
1446
1447         rcu_read_unlock();
1448
1449         return NULL;
1450 }
1451
1452 /* Returns true if an le connection is in the scanning state */
1453 static inline bool hci_is_le_conn_scanning(struct hci_dev *hdev)
1454 {
1455         struct hci_conn_hash *h = &hdev->conn_hash;
1456         struct hci_conn  *c;
1457
1458         rcu_read_lock();
1459
1460         list_for_each_entry_rcu(c, &h->list, list) {
1461                 if (c->type == LE_LINK && c->state == BT_CONNECT &&
1462                     test_bit(HCI_CONN_SCANNING, &c->flags)) {
1463                         rcu_read_unlock();
1464                         return true;
1465                 }
1466         }
1467
1468         rcu_read_unlock();
1469
1470         return false;
1471 }
1472
1473 #ifdef TIZEN_BT
1474 static inline bool hci_conn_rssi_state_set(struct hci_dev *hdev,
1475                                         __u8 type, bdaddr_t *ba, bool value)
1476 {
1477         struct hci_conn_hash *h = &hdev->conn_hash;
1478         struct hci_conn  *c;
1479         __u8 conn_type;
1480
1481         if (type == 0x01)
1482                 conn_type = LE_LINK;
1483         else
1484                 conn_type = ACL_LINK;
1485
1486         rcu_read_lock();
1487
1488         list_for_each_entry_rcu(c, &h->list, list) {
1489                 if (c->type == conn_type && !bacmp(&c->dst, ba)) {
1490                         c->rssi_monitored = value;
1491                         rcu_read_unlock();
1492                         return true;
1493                 }
1494         }
1495
1496         rcu_read_unlock();
1497         return false;
1498 }
1499
1500 static inline void hci_conn_rssi_unset_all(struct hci_dev *hdev,
1501                                         __u8 type)
1502 {
1503         struct hci_conn_hash *h = &hdev->conn_hash;
1504         struct hci_conn  *c;
1505         __u8 conn_type;
1506
1507         if (type == 0x01)
1508                 conn_type = LE_LINK;
1509         else
1510                 conn_type = ACL_LINK;
1511
1512         rcu_read_lock();
1513         list_for_each_entry_rcu(c, &h->list, list) {
1514                 if (c->type == conn_type)
1515                         c->rssi_monitored = false;
1516 }
1517         rcu_read_unlock();
1518 }
1519
1520 static inline int hci_conn_hash_lookup_rssi_count(struct hci_dev *hdev)
1521 {
1522         struct hci_conn_hash *h = &hdev->conn_hash;
1523         struct hci_conn  *c;
1524         int count = 0;
1525
1526         rcu_read_lock();
1527         list_for_each_entry_rcu(c, &h->list, list) {
1528                 if (c->rssi_monitored == true)
1529                         ++count;
1530         }
1531         rcu_read_unlock();
1532
1533         return count;
1534 }
1535
1536 int hci_conn_change_supervision_timeout(struct hci_conn *conn, __u16 timeout);
1537 bool hci_le_discovery_active(struct hci_dev *hdev);
1538 void hci_le_discovery_set_state(struct hci_dev *hdev, int state);
1539
1540 static inline struct hci_conn *hci_conn_hash_lookup_sco(struct hci_dev *hdev)
1541 {
1542         struct hci_conn_hash *h = &hdev->conn_hash;
1543         struct hci_conn  *c;
1544
1545         rcu_read_lock();
1546         list_for_each_entry_rcu(c, &h->list, list) {
1547                 if (c->type == SCO_LINK || c->type == ESCO_LINK) {
1548                         rcu_read_unlock();
1549                         return c;
1550                 }
1551         }
1552         rcu_read_unlock();
1553
1554         return NULL;
1555 }
1556 #endif
1557
1558 int hci_disconnect(struct hci_conn *conn, __u8 reason);
1559 bool hci_setup_sync(struct hci_conn *conn, __u16 handle);
1560 void hci_sco_setup(struct hci_conn *conn, __u8 status);
1561 bool hci_iso_setup_path(struct hci_conn *conn);
1562 int hci_le_create_cis_pending(struct hci_dev *hdev);
1563 int hci_conn_check_create_cis(struct hci_conn *conn);
1564
1565 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,
1566                               u8 role, u16 handle);
1567 struct hci_conn *hci_conn_add_unset(struct hci_dev *hdev, int type,
1568                                     bdaddr_t *dst, u8 role);
1569 void hci_conn_del(struct hci_conn *conn);
1570 void hci_conn_hash_flush(struct hci_dev *hdev);
1571 void hci_conn_check_pending(struct hci_dev *hdev);
1572
1573 struct hci_chan *hci_chan_create(struct hci_conn *conn);
1574 void hci_chan_del(struct hci_chan *chan);
1575 void hci_chan_list_flush(struct hci_conn *conn);
1576 struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle);
1577
1578 struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst,
1579                                      u8 dst_type, u8 sec_level,
1580                                      u16 conn_timeout,
1581                                      enum conn_reasons conn_reason);
1582 struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
1583                                 u8 dst_type, bool dst_resolved, u8 sec_level,
1584                                 u16 conn_timeout, u8 role);
1585 struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
1586                                  u8 sec_level, u8 auth_type,
1587                                  enum conn_reasons conn_reason);
1588 struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst,
1589                                  __u16 setting, struct bt_codec *codec);
1590 struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst,
1591                               __u8 dst_type, struct bt_iso_qos *qos);
1592 struct hci_conn *hci_bind_bis(struct hci_dev *hdev, bdaddr_t *dst,
1593                               struct bt_iso_qos *qos,
1594                               __u8 base_len, __u8 *base);
1595 struct hci_conn *hci_connect_cis(struct hci_dev *hdev, bdaddr_t *dst,
1596                                  __u8 dst_type, struct bt_iso_qos *qos);
1597 struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst,
1598                                  __u8 dst_type, struct bt_iso_qos *qos,
1599                                  __u8 data_len, __u8 *data);
1600 int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type,
1601                        __u8 sid, struct bt_iso_qos *qos);
1602 int hci_le_big_create_sync(struct hci_dev *hdev, struct hci_conn *hcon,
1603                            struct bt_iso_qos *qos,
1604                            __u16 sync_handle, __u8 num_bis, __u8 bis[]);
1605 int hci_conn_check_link_mode(struct hci_conn *conn);
1606 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
1607 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type,
1608                       bool initiator);
1609 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1610
1611 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
1612
1613 void hci_conn_failed(struct hci_conn *conn, u8 status);
1614 u8 hci_conn_set_handle(struct hci_conn *conn, u16 handle);
1615
1616 /*
1617  * hci_conn_get() and hci_conn_put() are used to control the life-time of an
1618  * "hci_conn" object. They do not guarantee that the hci_conn object is running,
1619  * working or anything else. They just guarantee that the object is available
1620  * and can be dereferenced. So you can use its locks, local variables and any
1621  * other constant data.
1622  * Before accessing runtime data, you _must_ lock the object and then check that
1623  * it is still running. As soon as you release the locks, the connection might
1624  * get dropped, though.
1625  *
1626  * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control
1627  * how long the underlying connection is held. So every channel that runs on the
1628  * hci_conn object calls this to prevent the connection from disappearing. As
1629  * long as you hold a device, you must also guarantee that you have a valid
1630  * reference to the device via hci_conn_get() (or the initial reference from
1631  * hci_conn_add()).
1632  * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't
1633  * break because nobody cares for that. But this means, we cannot use
1634  * _get()/_drop() in it, but require the caller to have a valid ref (FIXME).
1635  */
1636
1637 static inline struct hci_conn *hci_conn_get(struct hci_conn *conn)
1638 {
1639         get_device(&conn->dev);
1640         return conn;
1641 }
1642
1643 static inline void hci_conn_put(struct hci_conn *conn)
1644 {
1645         put_device(&conn->dev);
1646 }
1647
1648 static inline struct hci_conn *hci_conn_hold(struct hci_conn *conn)
1649 {
1650         BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
1651
1652         atomic_inc(&conn->refcnt);
1653         cancel_delayed_work(&conn->disc_work);
1654
1655         return conn;
1656 }
1657
1658 static inline void hci_conn_drop(struct hci_conn *conn)
1659 {
1660         BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
1661
1662         if (atomic_dec_and_test(&conn->refcnt)) {
1663                 unsigned long timeo;
1664
1665                 switch (conn->type) {
1666                 case ACL_LINK:
1667                 case LE_LINK:
1668                         cancel_delayed_work(&conn->idle_work);
1669                         if (conn->state == BT_CONNECTED) {
1670                                 timeo = conn->disc_timeout;
1671                                 if (!conn->out)
1672                                         timeo *= 2;
1673                         } else {
1674                                 timeo = 0;
1675                         }
1676                         break;
1677
1678                 case AMP_LINK:
1679                         timeo = conn->disc_timeout;
1680                         break;
1681
1682                 default:
1683                         timeo = 0;
1684                         break;
1685                 }
1686
1687                 cancel_delayed_work(&conn->disc_work);
1688                 queue_delayed_work(conn->hdev->workqueue,
1689                                    &conn->disc_work, timeo);
1690         }
1691 }
1692
1693 /* ----- HCI Devices ----- */
1694 static inline void hci_dev_put(struct hci_dev *d)
1695 {
1696         BT_DBG("%s orig refcnt %d", d->name,
1697                kref_read(&d->dev.kobj.kref));
1698
1699         put_device(&d->dev);
1700 }
1701
1702 static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
1703 {
1704         BT_DBG("%s orig refcnt %d", d->name,
1705                kref_read(&d->dev.kobj.kref));
1706
1707         get_device(&d->dev);
1708         return d;
1709 }
1710
1711 #define hci_dev_lock(d)         mutex_lock(&d->lock)
1712 #define hci_dev_unlock(d)       mutex_unlock(&d->lock)
1713
1714 #define to_hci_dev(d) container_of(d, struct hci_dev, dev)
1715 #define to_hci_conn(c) container_of(c, struct hci_conn, dev)
1716
1717 static inline void *hci_get_drvdata(struct hci_dev *hdev)
1718 {
1719         return dev_get_drvdata(&hdev->dev);
1720 }
1721
1722 static inline void hci_set_drvdata(struct hci_dev *hdev, void *data)
1723 {
1724         dev_set_drvdata(&hdev->dev, data);
1725 }
1726
1727 static inline void *hci_get_priv(struct hci_dev *hdev)
1728 {
1729         return (char *)hdev + sizeof(*hdev);
1730 }
1731
1732 struct hci_dev *hci_dev_get(int index);
1733 struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type);
1734
1735 struct hci_dev *hci_alloc_dev_priv(int sizeof_priv);
1736
1737 static inline struct hci_dev *hci_alloc_dev(void)
1738 {
1739         return hci_alloc_dev_priv(0);
1740 }
1741
1742 void hci_free_dev(struct hci_dev *hdev);
1743 int hci_register_dev(struct hci_dev *hdev);
1744 void hci_unregister_dev(struct hci_dev *hdev);
1745 void hci_release_dev(struct hci_dev *hdev);
1746 int hci_register_suspend_notifier(struct hci_dev *hdev);
1747 int hci_unregister_suspend_notifier(struct hci_dev *hdev);
1748 int hci_suspend_dev(struct hci_dev *hdev);
1749 int hci_resume_dev(struct hci_dev *hdev);
1750 int hci_reset_dev(struct hci_dev *hdev);
1751 int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb);
1752 int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb);
1753 __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...);
1754 __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...);
1755
1756 static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode)
1757 {
1758 #if IS_ENABLED(CONFIG_BT_MSFTEXT)
1759         hdev->msft_opcode = opcode;
1760 #endif
1761 }
1762
1763 static inline void hci_set_aosp_capable(struct hci_dev *hdev)
1764 {
1765 #if IS_ENABLED(CONFIG_BT_AOSPEXT)
1766         hdev->aosp_capable = true;
1767 #endif
1768 }
1769
1770 static inline void hci_devcd_setup(struct hci_dev *hdev)
1771 {
1772 #ifdef CONFIG_DEV_COREDUMP
1773         INIT_WORK(&hdev->dump.dump_rx, hci_devcd_rx);
1774         INIT_DELAYED_WORK(&hdev->dump.dump_timeout, hci_devcd_timeout);
1775         skb_queue_head_init(&hdev->dump.dump_q);
1776 #endif
1777 }
1778
1779 int hci_dev_open(__u16 dev);
1780 int hci_dev_close(__u16 dev);
1781 int hci_dev_do_close(struct hci_dev *hdev);
1782 int hci_dev_reset(__u16 dev);
1783 int hci_dev_reset_stat(__u16 dev);
1784 int hci_dev_cmd(unsigned int cmd, void __user *arg);
1785 int hci_get_dev_list(void __user *arg);
1786 int hci_get_dev_info(void __user *arg);
1787 int hci_get_conn_list(void __user *arg);
1788 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
1789 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1790 #ifdef TIZEN_BT
1791 u32 get_link_mode(struct hci_conn *conn);
1792 #endif
1793 int hci_inquiry(void __user *arg);
1794
1795 struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list,
1796                                            bdaddr_t *bdaddr, u8 type);
1797 struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk(
1798                                     struct list_head *list, bdaddr_t *bdaddr,
1799                                     u8 type);
1800 struct bdaddr_list_with_flags *
1801 hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1802                                   u8 type);
1803 int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1804 int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr,
1805                                  u8 type, u8 *peer_irk, u8 *local_irk);
1806 int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1807                                    u8 type, u32 flags);
1808 int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1809 int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr,
1810                                  u8 type);
1811 int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1812                                    u8 type);
1813 void hci_bdaddr_list_clear(struct list_head *list);
1814
1815 struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,
1816                                                bdaddr_t *addr, u8 addr_type);
1817 struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev,
1818                                             bdaddr_t *addr, u8 addr_type);
1819 void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type);
1820 void hci_conn_params_clear_disabled(struct hci_dev *hdev);
1821 void hci_conn_params_free(struct hci_conn_params *param);
1822
1823 void hci_pend_le_list_del_init(struct hci_conn_params *param);
1824 void hci_pend_le_list_add(struct hci_conn_params *param,
1825                           struct list_head *list);
1826 struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list,
1827                                                   bdaddr_t *addr,
1828                                                   u8 addr_type);
1829
1830 void hci_uuids_clear(struct hci_dev *hdev);
1831
1832 void hci_link_keys_clear(struct hci_dev *hdev);
1833 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1834 struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn,
1835                                   bdaddr_t *bdaddr, u8 *val, u8 type,
1836                                   u8 pin_len, bool *persistent);
1837 struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1838                             u8 addr_type, u8 type, u8 authenticated,
1839                             u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand);
1840 struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1841                              u8 addr_type, u8 role);
1842 int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type);
1843 void hci_smp_ltks_clear(struct hci_dev *hdev);
1844 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1845
1846 struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa);
1847 struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
1848                                      u8 addr_type);
1849 struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1850                             u8 addr_type, u8 val[16], bdaddr_t *rpa);
1851 void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type);
1852 bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]);
1853 void hci_blocked_keys_clear(struct hci_dev *hdev);
1854 void hci_smp_irks_clear(struct hci_dev *hdev);
1855
1856 bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
1857
1858 void hci_remote_oob_data_clear(struct hci_dev *hdev);
1859 struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
1860                                           bdaddr_t *bdaddr, u8 bdaddr_type);
1861 int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1862                             u8 bdaddr_type, u8 *hash192, u8 *rand192,
1863                             u8 *hash256, u8 *rand256);
1864 int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1865                                u8 bdaddr_type);
1866
1867 void hci_adv_instances_clear(struct hci_dev *hdev);
1868 struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance);
1869 struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance);
1870 struct adv_info *hci_add_adv_instance(struct hci_dev *hdev, u8 instance,
1871                                       u32 flags, u16 adv_data_len, u8 *adv_data,
1872                                       u16 scan_rsp_len, u8 *scan_rsp_data,
1873                                       u16 timeout, u16 duration, s8 tx_power,
1874                                       u32 min_interval, u32 max_interval,
1875                                       u8 mesh_handle);
1876 struct adv_info *hci_add_per_instance(struct hci_dev *hdev, u8 instance,
1877                                       u32 flags, u8 data_len, u8 *data,
1878                                       u32 min_interval, u32 max_interval);
1879 int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance,
1880                          u16 adv_data_len, u8 *adv_data,
1881                          u16 scan_rsp_len, u8 *scan_rsp_data);
1882 int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance);
1883 void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired);
1884 u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance);
1885 bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance);
1886
1887 void hci_adv_monitors_clear(struct hci_dev *hdev);
1888 void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
1889 int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
1890 int hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle);
1891 int hci_remove_all_adv_monitor(struct hci_dev *hdev);
1892 bool hci_is_adv_monitoring(struct hci_dev *hdev);
1893 int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev);
1894
1895 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
1896
1897 void hci_init_sysfs(struct hci_dev *hdev);
1898 void hci_conn_init_sysfs(struct hci_conn *conn);
1899 void hci_conn_add_sysfs(struct hci_conn *conn);
1900 void hci_conn_del_sysfs(struct hci_conn *conn);
1901
1902 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev))
1903 #define GET_HCIDEV_DEV(hdev) ((hdev)->dev.parent)
1904
1905 /* ----- LMP capabilities ----- */
1906 #define lmp_encrypt_capable(dev)   ((dev)->features[0][0] & LMP_ENCRYPT)
1907 #define lmp_rswitch_capable(dev)   ((dev)->features[0][0] & LMP_RSWITCH)
1908 #define lmp_hold_capable(dev)      ((dev)->features[0][0] & LMP_HOLD)
1909 #define lmp_sniff_capable(dev)     ((dev)->features[0][0] & LMP_SNIFF)
1910 #define lmp_park_capable(dev)      ((dev)->features[0][1] & LMP_PARK)
1911 #define lmp_inq_rssi_capable(dev)  ((dev)->features[0][3] & LMP_RSSI_INQ)
1912 #define lmp_esco_capable(dev)      ((dev)->features[0][3] & LMP_ESCO)
1913 #define lmp_bredr_capable(dev)     (!((dev)->features[0][4] & LMP_NO_BREDR))
1914 #define lmp_le_capable(dev)        ((dev)->features[0][4] & LMP_LE)
1915 #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR)
1916 #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC)
1917 #define lmp_esco_2m_capable(dev)   ((dev)->features[0][5] & LMP_EDR_ESCO_2M)
1918 #define lmp_ext_inq_capable(dev)   ((dev)->features[0][6] & LMP_EXT_INQ)
1919 #define lmp_le_br_capable(dev)     (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR))
1920 #define lmp_ssp_capable(dev)       ((dev)->features[0][6] & LMP_SIMPLE_PAIR)
1921 #define lmp_no_flush_capable(dev)  ((dev)->features[0][6] & LMP_NO_FLUSH)
1922 #define lmp_lsto_capable(dev)      ((dev)->features[0][7] & LMP_LSTO)
1923 #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR)
1924 #define lmp_ext_feat_capable(dev)  ((dev)->features[0][7] & LMP_EXTFEATURES)
1925 #define lmp_transp_capable(dev)    ((dev)->features[0][2] & LMP_TRANSPARENT)
1926 #define lmp_edr_2m_capable(dev)    ((dev)->features[0][3] & LMP_EDR_2M)
1927 #define lmp_edr_3m_capable(dev)    ((dev)->features[0][3] & LMP_EDR_3M)
1928 #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT)
1929 #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT)
1930
1931 /* ----- Extended LMP capabilities ----- */
1932 #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL)
1933 #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL)
1934 #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN)
1935 #define lmp_sync_scan_capable(dev)  ((dev)->features[2][0] & LMP_SYNC_SCAN)
1936 #define lmp_sc_capable(dev)         ((dev)->features[2][1] & LMP_SC)
1937 #define lmp_ping_capable(dev)       ((dev)->features[2][1] & LMP_PING)
1938
1939 /* ----- Host capabilities ----- */
1940 #define lmp_host_ssp_capable(dev)  ((dev)->features[1][0] & LMP_HOST_SSP)
1941 #define lmp_host_sc_capable(dev)   ((dev)->features[1][0] & LMP_HOST_SC)
1942 #define lmp_host_le_capable(dev)   (!!((dev)->features[1][0] & LMP_HOST_LE))
1943 #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR))
1944
1945 #define hdev_is_powered(dev)   (test_bit(HCI_UP, &(dev)->flags) && \
1946                                 !hci_dev_test_flag(dev, HCI_AUTO_OFF))
1947 #define bredr_sc_enabled(dev)  (lmp_sc_capable(dev) && \
1948                                 hci_dev_test_flag(dev, HCI_SC_ENABLED))
1949 #define rpa_valid(dev)         (bacmp(&dev->rpa, BDADDR_ANY) && \
1950                                 !hci_dev_test_flag(dev, HCI_RPA_EXPIRED))
1951 #define adv_rpa_valid(adv)     (bacmp(&adv->random_addr, BDADDR_ANY) && \
1952                                 !adv->rpa_expired)
1953
1954 #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \
1955                       ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M))
1956
1957 #define le_2m_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_2M))
1958
1959 #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \
1960                       ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M))
1961
1962 #define le_coded_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_CODED) && \
1963                                !test_bit(HCI_QUIRK_BROKEN_LE_CODED, \
1964                                          &(dev)->quirks))
1965
1966 #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \
1967                          ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED))
1968
1969 #define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY)
1970
1971 /* Use LL Privacy based address resolution if supported */
1972 #define use_ll_privacy(dev) (ll_privacy_capable(dev) && \
1973                              hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY))
1974
1975 #define privacy_mode_capable(dev) (use_ll_privacy(dev) && \
1976                                    (hdev->commands[39] & 0x04))
1977
1978 /* Use enhanced synchronous connection if command is supported and its quirk
1979  * has not been set.
1980  */
1981 #define enhanced_sync_conn_capable(dev) \
1982         (((dev)->commands[29] & 0x08) && \
1983          !test_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &(dev)->quirks))
1984
1985 /* Use ext scanning if set ext scan param and ext scan enable is supported */
1986 #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \
1987                            ((dev)->commands[37] & 0x40) && \
1988                            !test_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &(dev)->quirks))
1989
1990 /* Use ext create connection if command is supported */
1991 #define use_ext_conn(dev) ((dev)->commands[37] & 0x80)
1992
1993 /* Extended advertising support */
1994 #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV))
1995
1996 /* Maximum advertising length */
1997 #define max_adv_len(dev) \
1998         (ext_adv_capable(dev) ? HCI_MAX_EXT_AD_LENGTH : HCI_MAX_AD_LENGTH)
1999
2000 /* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 1789:
2001  *
2002  * C24: Mandatory if the LE Controller supports Connection State and either
2003  * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported
2004  */
2005 #define use_enhanced_conn_complete(dev) (ll_privacy_capable(dev) || \
2006                                          ext_adv_capable(dev))
2007
2008 /* Periodic advertising support */
2009 #define per_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_PERIODIC_ADV))
2010
2011 /* CIS Master/Slave and BIS support */
2012 #define iso_capable(dev) (cis_capable(dev) || bis_capable(dev))
2013 #define cis_capable(dev) \
2014         (cis_central_capable(dev) || cis_peripheral_capable(dev))
2015 #define cis_central_capable(dev) \
2016         ((dev)->le_features[3] & HCI_LE_CIS_CENTRAL)
2017 #define cis_peripheral_capable(dev) \
2018         ((dev)->le_features[3] & HCI_LE_CIS_PERIPHERAL)
2019 #define bis_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_BROADCASTER)
2020 #define sync_recv_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_SYNC_RECEIVER)
2021
2022 #define mws_transport_config_capable(dev) (((dev)->commands[30] & 0x08) && \
2023         (!test_bit(HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG, &(dev)->quirks)))
2024
2025 /* ----- HCI protocols ----- */
2026 #define HCI_PROTO_DEFER             0x01
2027
2028 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
2029                                         __u8 type, __u8 *flags)
2030 {
2031         switch (type) {
2032         case ACL_LINK:
2033                 return l2cap_connect_ind(hdev, bdaddr);
2034
2035         case SCO_LINK:
2036         case ESCO_LINK:
2037                 return sco_connect_ind(hdev, bdaddr, flags);
2038
2039         case ISO_LINK:
2040                 return iso_connect_ind(hdev, bdaddr, flags);
2041
2042         default:
2043                 BT_ERR("unknown link type %d", type);
2044                 return -EINVAL;
2045         }
2046 }
2047
2048 static inline int hci_proto_disconn_ind(struct hci_conn *conn)
2049 {
2050         if (conn->type != ACL_LINK && conn->type != LE_LINK)
2051                 return HCI_ERROR_REMOTE_USER_TERM;
2052
2053         return l2cap_disconn_ind(conn);
2054 }
2055
2056 /* ----- HCI callbacks ----- */
2057 struct hci_cb {
2058         struct list_head list;
2059
2060         char *name;
2061
2062         void (*connect_cfm)     (struct hci_conn *conn, __u8 status);
2063         void (*disconn_cfm)     (struct hci_conn *conn, __u8 status);
2064         void (*security_cfm)    (struct hci_conn *conn, __u8 status,
2065                                                                 __u8 encrypt);
2066         void (*key_change_cfm)  (struct hci_conn *conn, __u8 status);
2067         void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
2068 };
2069
2070 static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status)
2071 {
2072         struct hci_cb *cb;
2073
2074         mutex_lock(&hci_cb_list_lock);
2075         list_for_each_entry(cb, &hci_cb_list, list) {
2076                 if (cb->connect_cfm)
2077                         cb->connect_cfm(conn, status);
2078         }
2079         mutex_unlock(&hci_cb_list_lock);
2080
2081         if (conn->connect_cfm_cb)
2082                 conn->connect_cfm_cb(conn, status);
2083 }
2084
2085 static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason)
2086 {
2087         struct hci_cb *cb;
2088
2089         mutex_lock(&hci_cb_list_lock);
2090         list_for_each_entry(cb, &hci_cb_list, list) {
2091                 if (cb->disconn_cfm)
2092                         cb->disconn_cfm(conn, reason);
2093         }
2094         mutex_unlock(&hci_cb_list_lock);
2095
2096         if (conn->disconn_cfm_cb)
2097                 conn->disconn_cfm_cb(conn, reason);
2098 }
2099
2100 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
2101 {
2102         struct hci_cb *cb;
2103         __u8 encrypt;
2104
2105         if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
2106                 return;
2107
2108         encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00;
2109
2110         mutex_lock(&hci_cb_list_lock);
2111         list_for_each_entry(cb, &hci_cb_list, list) {
2112                 if (cb->security_cfm)
2113                         cb->security_cfm(conn, status, encrypt);
2114         }
2115         mutex_unlock(&hci_cb_list_lock);
2116
2117         if (conn->security_cfm_cb)
2118                 conn->security_cfm_cb(conn, status);
2119 }
2120
2121 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status)
2122 {
2123         struct hci_cb *cb;
2124         __u8 encrypt;
2125
2126         if (conn->state == BT_CONFIG) {
2127                 if (!status)
2128                         conn->state = BT_CONNECTED;
2129
2130                 hci_connect_cfm(conn, status);
2131                 hci_conn_drop(conn);
2132                 return;
2133         }
2134
2135         if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags))
2136                 encrypt = 0x00;
2137         else if (test_bit(HCI_CONN_AES_CCM, &conn->flags))
2138                 encrypt = 0x02;
2139         else
2140                 encrypt = 0x01;
2141
2142         if (!status) {
2143                 if (conn->sec_level == BT_SECURITY_SDP)
2144                         conn->sec_level = BT_SECURITY_LOW;
2145
2146                 if (conn->pending_sec_level > conn->sec_level)
2147                         conn->sec_level = conn->pending_sec_level;
2148         }
2149
2150         mutex_lock(&hci_cb_list_lock);
2151         list_for_each_entry(cb, &hci_cb_list, list) {
2152                 if (cb->security_cfm)
2153                         cb->security_cfm(conn, status, encrypt);
2154         }
2155         mutex_unlock(&hci_cb_list_lock);
2156
2157         if (conn->security_cfm_cb)
2158                 conn->security_cfm_cb(conn, status);
2159 }
2160
2161 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
2162 {
2163         struct hci_cb *cb;
2164
2165         mutex_lock(&hci_cb_list_lock);
2166         list_for_each_entry(cb, &hci_cb_list, list) {
2167                 if (cb->key_change_cfm)
2168                         cb->key_change_cfm(conn, status);
2169         }
2170         mutex_unlock(&hci_cb_list_lock);
2171 }
2172
2173 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
2174                                                                 __u8 role)
2175 {
2176         struct hci_cb *cb;
2177
2178         mutex_lock(&hci_cb_list_lock);
2179         list_for_each_entry(cb, &hci_cb_list, list) {
2180                 if (cb->role_switch_cfm)
2181                         cb->role_switch_cfm(conn, status, role);
2182         }
2183         mutex_unlock(&hci_cb_list_lock);
2184 }
2185
2186 static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type)
2187 {
2188         if (addr_type != ADDR_LE_DEV_RANDOM)
2189                 return false;
2190
2191         if ((bdaddr->b[5] & 0xc0) == 0x40)
2192                return true;
2193
2194         return false;
2195 }
2196
2197 static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type)
2198 {
2199         if (addr_type == ADDR_LE_DEV_PUBLIC)
2200                 return true;
2201
2202         /* Check for Random Static address type */
2203         if ((addr->b[5] & 0xc0) == 0xc0)
2204                 return true;
2205
2206         return false;
2207 }
2208
2209 static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev,
2210                                           bdaddr_t *bdaddr, u8 addr_type)
2211 {
2212         if (!hci_bdaddr_is_rpa(bdaddr, addr_type))
2213                 return NULL;
2214
2215         return hci_find_irk_by_rpa(hdev, bdaddr);
2216 }
2217
2218 static inline int hci_check_conn_params(u16 min, u16 max, u16 latency,
2219                                         u16 to_multiplier)
2220 {
2221         u16 max_latency;
2222
2223         if (min > max || min < 6 || max > 3200)
2224                 return -EINVAL;
2225
2226         if (to_multiplier < 10 || to_multiplier > 3200)
2227                 return -EINVAL;
2228
2229         if (max >= to_multiplier * 8)
2230                 return -EINVAL;
2231
2232         max_latency = (to_multiplier * 4 / max) - 1;
2233         if (latency > 499 || latency > max_latency)
2234                 return -EINVAL;
2235
2236         return 0;
2237 }
2238
2239 int hci_register_cb(struct hci_cb *hcb);
2240 int hci_unregister_cb(struct hci_cb *hcb);
2241
2242 int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen,
2243                    const void *param);
2244
2245 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen,
2246                  const void *param);
2247 void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
2248 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
2249 void hci_send_iso(struct hci_conn *conn, struct sk_buff *skb);
2250
2251 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
2252 void *hci_recv_event_data(struct hci_dev *hdev, __u8 event);
2253
2254 u32 hci_conn_get_phy(struct hci_conn *conn);
2255
2256 /* ----- HCI Sockets ----- */
2257 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
2258 void hci_send_to_channel(unsigned short channel, struct sk_buff *skb,
2259                          int flag, struct sock *skip_sk);
2260 void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb);
2261 void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event,
2262                                  void *data, u16 data_len, ktime_t tstamp,
2263                                  int flag, struct sock *skip_sk);
2264
2265 void hci_sock_dev_event(struct hci_dev *hdev, int event);
2266
2267 #define HCI_MGMT_VAR_LEN        BIT(0)
2268 #define HCI_MGMT_NO_HDEV        BIT(1)
2269 #define HCI_MGMT_UNTRUSTED      BIT(2)
2270 #define HCI_MGMT_UNCONFIGURED   BIT(3)
2271 #define HCI_MGMT_HDEV_OPTIONAL  BIT(4)
2272
2273 struct hci_mgmt_handler {
2274         int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
2275                      u16 data_len);
2276         size_t data_len;
2277         unsigned long flags;
2278 };
2279
2280 struct hci_mgmt_chan {
2281         struct list_head list;
2282         unsigned short channel;
2283         size_t handler_count;
2284         const struct hci_mgmt_handler *handlers;
2285 #ifdef TIZEN_BT
2286         size_t tizen_handler_count;
2287         const struct hci_mgmt_handler *tizen_handlers;
2288 #endif
2289         void (*hdev_init) (struct sock *sk, struct hci_dev *hdev);
2290 };
2291
2292 int hci_mgmt_chan_register(struct hci_mgmt_chan *c);
2293 void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c);
2294
2295 /* Management interface */
2296 #define DISCOV_TYPE_BREDR               (BIT(BDADDR_BREDR))
2297 #define DISCOV_TYPE_LE                  (BIT(BDADDR_LE_PUBLIC) | \
2298                                          BIT(BDADDR_LE_RANDOM))
2299 #define DISCOV_TYPE_INTERLEAVED         (BIT(BDADDR_BREDR) | \
2300                                          BIT(BDADDR_LE_PUBLIC) | \
2301                                          BIT(BDADDR_LE_RANDOM))
2302
2303 /* These LE scan and inquiry parameters were chosen according to LE General
2304  * Discovery Procedure specification.
2305  */
2306 #define DISCOV_LE_SCAN_WIN              0x12
2307 #define DISCOV_LE_SCAN_INT              0x12
2308 #define DISCOV_LE_TIMEOUT               10240   /* msec */
2309 #define DISCOV_INTERLEAVED_TIMEOUT      5120    /* msec */
2310 #define DISCOV_INTERLEAVED_INQUIRY_LEN  0x04
2311 #define DISCOV_BREDR_INQUIRY_LEN        0x08
2312 #define DISCOV_LE_RESTART_DELAY         msecs_to_jiffies(200)   /* msec */
2313 #define DISCOV_LE_FAST_ADV_INT_MIN      0x00A0  /* 100 msec */
2314 #define DISCOV_LE_FAST_ADV_INT_MAX      0x00F0  /* 150 msec */
2315 #define DISCOV_LE_PER_ADV_INT_MIN       0x00A0  /* 200 msec */
2316 #define DISCOV_LE_PER_ADV_INT_MAX       0x00A0  /* 200 msec */
2317 #define DISCOV_LE_ADV_MESH_MIN          0x00A0  /* 100 msec */
2318 #define DISCOV_LE_ADV_MESH_MAX          0x00A0  /* 100 msec */
2319 #define INTERVAL_TO_MS(x)               (((x) * 10) / 0x10)
2320
2321 #define NAME_RESOLVE_DURATION           msecs_to_jiffies(10240) /* 10.24 sec */
2322
2323 void mgmt_fill_version_info(void *ver);
2324 int mgmt_new_settings(struct hci_dev *hdev);
2325 void mgmt_index_added(struct hci_dev *hdev);
2326 void mgmt_index_removed(struct hci_dev *hdev);
2327 void mgmt_set_powered_failed(struct hci_dev *hdev, int err);
2328 void mgmt_power_on(struct hci_dev *hdev, int err);
2329 void __mgmt_power_off(struct hci_dev *hdev);
2330 void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
2331                        bool persistent);
2332 void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
2333                            u8 *name, u8 name_len);
2334 void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
2335                               u8 link_type, u8 addr_type, u8 reason,
2336                               bool mgmt_connected);
2337 void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
2338                             u8 link_type, u8 addr_type, u8 status);
2339 void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2340                          u8 addr_type, u8 status);
2341 void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
2342 void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2343                                   u8 status);
2344 void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2345                                       u8 status);
2346 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
2347                               u8 link_type, u8 addr_type, u32 value,
2348                               u8 confirm_hint);
2349 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2350                                      u8 link_type, u8 addr_type, u8 status);
2351 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2352                                          u8 link_type, u8 addr_type, u8 status);
2353 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
2354                               u8 link_type, u8 addr_type);
2355 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2356                                      u8 link_type, u8 addr_type, u8 status);
2357 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2358                                          u8 link_type, u8 addr_type, u8 status);
2359 int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
2360                              u8 link_type, u8 addr_type, u32 passkey,
2361                              u8 entered);
2362 void mgmt_auth_failed(struct hci_conn *conn, u8 status);
2363 void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
2364 void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
2365                                     u8 status);
2366 void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
2367 void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status);
2368 void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status);
2369 void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2370                        u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
2371                        u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len,
2372                        u64 instant);
2373 void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2374                       u8 addr_type, s8 rssi, u8 *name, u8 name_len);
2375 void mgmt_discovering(struct hci_dev *hdev, u8 discovering);
2376 void mgmt_suspending(struct hci_dev *hdev, u8 state);
2377 void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr,
2378                    u8 addr_type);
2379 bool mgmt_powering_down(struct hci_dev *hdev);
2380 void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent);
2381 void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent);
2382 void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
2383                    bool persistent);
2384 void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
2385                          u8 bdaddr_type, u8 store_hint, u16 min_interval,
2386                          u16 max_interval, u16 latency, u16 timeout);
2387 void mgmt_smp_complete(struct hci_conn *conn, bool complete);
2388 bool mgmt_get_connectable(struct hci_dev *hdev);
2389 u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev);
2390 void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev,
2391                             u8 instance);
2392 void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev,
2393                               u8 instance);
2394 void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle);
2395 int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip);
2396 void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle,
2397                                   bdaddr_t *bdaddr, u8 addr_type);
2398
2399 #ifdef TIZEN_BT
2400 void mgmt_rssi_enable_success(struct sock *sk, struct hci_dev *hdev,
2401                 void *data, struct hci_cc_rsp_enable_rssi *rp, int success);
2402 void mgmt_rssi_disable_success(struct sock *sk, struct hci_dev *hdev,
2403                 void *data, struct hci_cc_rsp_enable_rssi *rp, int success);
2404 int mgmt_set_rssi_threshold(struct sock *sk, struct hci_dev *hdev,
2405                 void *data, u16 len);
2406 void mgmt_rssi_alert_evt(struct hci_dev *hdev, u16 conn_handle,
2407                 s8 alert_type, s8 rssi_dbm);
2408 void mgmt_raw_rssi_response(struct hci_dev *hdev,
2409                 struct hci_cc_rp_get_raw_rssi *rp, int success);
2410 void mgmt_enable_rssi_cc(struct hci_dev *hdev, void *response, u8 status);
2411 int mgmt_device_name_update(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name,
2412                 u8 name_len);
2413 void mgmt_le_discovering(struct hci_dev *hdev, u8 discovering);
2414 int mgmt_le_conn_updated(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type,
2415                 u8 dst_type, u16 conn_interval, u16 conn_latency,
2416                 u16 supervision_timeout);
2417 int mgmt_le_conn_update_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
2418                 u8 link_type, u8 addr_type, u8 status);
2419 void mgmt_hardware_error(struct hci_dev *hdev, u8 err_code);
2420 void mgmt_tx_timeout_error(struct hci_dev *hdev);
2421 /*  Pass adv type in the le device found */
2422 void mgmt_le_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2423                 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, u8 *eir,
2424                 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len, u8 adv_type);
2425 void mgmt_multi_adv_state_change_evt(struct hci_dev *hdev, u8 adv_instance,
2426                 u8 state_change_reason, u16 connection_handle);
2427 void mgmt_6lowpan_conn_changed(struct hci_dev *hdev, char if_name[16],
2428                 bdaddr_t *bdaddr, u8 addr_type, bool connected);
2429 #endif
2430
2431 int hci_abort_conn(struct hci_conn *conn, u8 reason);
2432 u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency,
2433                       u16 to_multiplier);
2434 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand,
2435                       __u8 ltk[16], __u8 key_size);
2436
2437 void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr,
2438                                u8 *bdaddr_type);
2439
2440 #define SCO_AIRMODE_MASK       0x0003
2441 #define SCO_AIRMODE_CVSD       0x0000
2442 #define SCO_AIRMODE_TRANSP     0x0003
2443
2444 #define LOCAL_CODEC_ACL_MASK    BIT(0)
2445 #define LOCAL_CODEC_SCO_MASK    BIT(1)
2446
2447 #define TRANSPORT_TYPE_MAX      0x04
2448
2449 #endif /* __HCI_CORE_H */