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