include/net/bluetooth/hci_core.h

   1 /*
   2    BlueZ - Bluetooth protocol stack for Linux
   3    Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
   4    Copyright 2023 NXP
   5
   6    Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License version 2 as
  10    published by the Free Software Foundation;
  11
  12    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  13    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  14    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
  15    IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
  16    CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
  17    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  18    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  19    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  20
  21    ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
  22    COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
  23    SOFTWARE IS DISCLAIMED.
  24 */
  25
  26 #ifndef __HCI_CORE_H
  27 #define __HCI_CORE_H
  28
  29 #include <linux/idr.h>
  30 #include <linux/leds.h>
  31 #include <linux/rculist.h>
  32
  33 #include <net/bluetooth/hci.h>
  34 #include <net/bluetooth/hci_sync.h>
  35 #include <net/bluetooth/hci_sock.h>
  36 #include <net/bluetooth/coredump.h>
  37
  38 /* HCI priority */
  39 #define HCI_PRIO_MAX    7
  40
  41 /* HCI maximum id value */
  42 #define HCI_MAX_ID 10000
  43
  44 /* HCI Core structures */
  45 struct inquiry_data {
  46         bdaddr_t        bdaddr;
  47         __u8            pscan_rep_mode;
  48         __u8            pscan_period_mode;
  49         __u8            pscan_mode;
  50         __u8            dev_class[3];
  51         __le16          clock_offset;
  52         __s8            rssi;
  53         __u8            ssp_mode;
  54 };
  55
  56 struct inquiry_entry {
  57         struct list_head        all;            /* inq_cache.all */
  58         struct list_head        list;           /* unknown or resolve */
  59         enum {
  60                 NAME_NOT_KNOWN,
  61                 NAME_NEEDED,
  62                 NAME_PENDING,
  63                 NAME_KNOWN,
  64         } name_state;
  65         __u32                   timestamp;
  66         struct inquiry_data     data;
  67 };
  68
  69 struct discovery_state {
  70         int                     type;
  71         enum {
  72                 DISCOVERY_STOPPED,
  73                 DISCOVERY_STARTING,
  74                 DISCOVERY_FINDING,
  75                 DISCOVERY_RESOLVING,
  76                 DISCOVERY_STOPPING,
  77         } state;
  78         struct list_head        all;    /* All devices found during inquiry */
  79         struct list_head        unknown;        /* Name state not known */
  80         struct list_head        resolve;        /* Name needs to be resolved */
  81         __u32                   timestamp;
  82         bdaddr_t                last_adv_addr;
  83         u8                      last_adv_addr_type;
  84         s8                      last_adv_rssi;
  85         u32                     last_adv_flags;
  86         u8                      last_adv_data[HCI_MAX_EXT_AD_LENGTH];
  87         u8                      last_adv_data_len;
  88         bool                    report_invalid_rssi;
  89         bool                    result_filtering;
  90         bool                    limited;
  91         s8                      rssi;
  92         u16                     uuid_count;
  93         u8                      (*uuids)[16];
  94         unsigned long           scan_start;
  95         unsigned long           scan_duration;
  96         unsigned long           name_resolve_timeout;
  97 };
  98
  99 #define SUSPEND_NOTIFIER_TIMEOUT        msecs_to_jiffies(2000) /* 2 seconds */
 100
 101 enum suspend_tasks {
 102         SUSPEND_PAUSE_DISCOVERY,
 103         SUSPEND_UNPAUSE_DISCOVERY,
 104
 105         SUSPEND_PAUSE_ADVERTISING,
 106         SUSPEND_UNPAUSE_ADVERTISING,
 107
 108         SUSPEND_SCAN_DISABLE,
 109         SUSPEND_SCAN_ENABLE,
 110         SUSPEND_DISCONNECTING,
 111
 112         SUSPEND_POWERING_DOWN,
 113
 114         SUSPEND_PREPARE_NOTIFIER,
 115
 116         SUSPEND_SET_ADV_FILTER,
 117         __SUSPEND_NUM_TASKS
 118 };
 119
 120 enum suspended_state {
 121         BT_RUNNING = 0,
 122         BT_SUSPEND_DISCONNECT,
 123         BT_SUSPEND_CONFIGURE_WAKE,
 124 };
 125
 126 struct hci_conn_hash {
 127         struct list_head list;
 128         unsigned int     acl_num;
 129         unsigned int     amp_num;
 130         unsigned int     sco_num;
 131         unsigned int     iso_num;
 132         unsigned int     le_num;
 133         unsigned int     le_num_peripheral;
 134 };
 135
 136 struct bdaddr_list {
 137         struct list_head list;
 138         bdaddr_t bdaddr;
 139         u8 bdaddr_type;
 140 };
 141
 142 struct codec_list {
 143         struct list_head list;
 144         u8      id;
 145         __u16   cid;
 146         __u16   vid;
 147         u8      transport;
 148         u8      num_caps;
 149         u32     len;
 150         struct hci_codec_caps caps[];
 151 };
 152
 153 struct bdaddr_list_with_irk {
 154         struct list_head list;
 155         bdaddr_t bdaddr;
 156         u8 bdaddr_type;
 157         u8 peer_irk[16];
 158         u8 local_irk[16];
 159 };
 160
 161 /* Bitmask of connection flags */
 162 enum hci_conn_flags {
 163         HCI_CONN_FLAG_REMOTE_WAKEUP = 1,
 164         HCI_CONN_FLAG_DEVICE_PRIVACY = 2,
 165 };
 166 typedef u8 hci_conn_flags_t;
 167
 168 struct bdaddr_list_with_flags {
 169         struct list_head list;
 170         bdaddr_t bdaddr;
 171         u8 bdaddr_type;
 172         hci_conn_flags_t flags;
 173 };
 174
 175 struct bt_uuid {
 176         struct list_head list;
 177         u8 uuid[16];
 178         u8 size;
 179         u8 svc_hint;
 180 };
 181
 182 struct blocked_key {
 183         struct list_head list;
 184         struct rcu_head rcu;
 185         u8 type;
 186         u8 val[16];
 187 };
 188
 189 struct smp_csrk {
 190         bdaddr_t bdaddr;
 191         u8 bdaddr_type;
 192         u8 link_type;
 193         u8 type;
 194         u8 val[16];
 195 };
 196
 197 struct smp_ltk {
 198         struct list_head list;
 199         struct rcu_head rcu;
 200         bdaddr_t bdaddr;
 201         u8 bdaddr_type;
 202         u8 link_type;
 203         u8 authenticated;
 204         u8 type;
 205         u8 enc_size;
 206         __le16 ediv;
 207         __le64 rand;
 208         u8 val[16];
 209 };
 210
 211 struct smp_irk {
 212         struct list_head list;
 213         struct rcu_head rcu;
 214         bdaddr_t rpa;
 215         bdaddr_t bdaddr;
 216         u8 addr_type;
 217         u8 link_type;
 218         u8 val[16];
 219 };
 220
 221 struct link_key {
 222         struct list_head list;
 223         struct rcu_head rcu;
 224         bdaddr_t bdaddr;
 225         u8 bdaddr_type;
 226         u8 link_type;
 227         u8 type;
 228         u8 val[HCI_LINK_KEY_SIZE];
 229         u8 pin_len;
 230 };
 231
 232 struct oob_data {
 233         struct list_head list;
 234         bdaddr_t bdaddr;
 235         u8 bdaddr_type;
 236         u8 present;
 237         u8 hash192[16];
 238         u8 rand192[16];
 239         u8 hash256[16];
 240         u8 rand256[16];
 241 };
 242
 243 struct adv_info {
 244         struct list_head list;
 245         bool    enabled;
 246         bool    pending;
 247         bool    periodic;
 248         __u8    mesh;
 249         __u8    instance;
 250         __u32   flags;
 251         __u16   timeout;
 252         __u16   remaining_time;
 253         __u16   duration;
 254         __u16   adv_data_len;
 255         __u8    adv_data[HCI_MAX_EXT_AD_LENGTH];
 256         bool    adv_data_changed;
 257         __u16   scan_rsp_len;
 258         __u8    scan_rsp_data[HCI_MAX_EXT_AD_LENGTH];
 259         bool    scan_rsp_changed;
 260         __u16   per_adv_data_len;
 261         __u8    per_adv_data[HCI_MAX_PER_AD_LENGTH];
 262         __s8    tx_power;
 263         __u32   min_interval;
 264         __u32   max_interval;
 265         bdaddr_t        random_addr;
 266         bool            rpa_expired;
 267         struct delayed_work     rpa_expired_cb;
 268 };
 269
 270 #define HCI_MAX_ADV_INSTANCES           5
 271 #define HCI_DEFAULT_ADV_DURATION        2
 272
 273 #define HCI_ADV_TX_POWER_NO_PREFERENCE 0x7F
 274
 275 #define DATA_CMP(_d1, _l1, _d2, _l2) \
 276         (_l1 == _l2 ? memcmp(_d1, _d2, _l1) : _l1 - _l2)
 277
 278 #define ADV_DATA_CMP(_adv, _data, _len) \
 279         DATA_CMP((_adv)->adv_data, (_adv)->adv_data_len, _data, _len)
 280
 281 #define SCAN_RSP_CMP(_adv, _data, _len) \
 282         DATA_CMP((_adv)->scan_rsp_data, (_adv)->scan_rsp_len, _data, _len)
 283
 284 struct monitored_device {
 285         struct list_head list;
 286
 287         bdaddr_t bdaddr;
 288         __u8     addr_type;
 289         __u16    handle;
 290         bool     notified;
 291 };
 292
 293 struct adv_pattern {
 294         struct list_head list;
 295         __u8 ad_type;
 296         __u8 offset;
 297         __u8 length;
 298         __u8 value[HCI_MAX_EXT_AD_LENGTH];
 299 };
 300
 301 struct adv_rssi_thresholds {
 302         __s8 low_threshold;
 303         __s8 high_threshold;
 304         __u16 low_threshold_timeout;
 305         __u16 high_threshold_timeout;
 306         __u8 sampling_period;
 307 };
 308
 309 struct adv_monitor {
 310         struct list_head patterns;
 311         struct adv_rssi_thresholds rssi;
 312         __u16           handle;
 313
 314         enum {
 315                 ADV_MONITOR_STATE_NOT_REGISTERED,
 316                 ADV_MONITOR_STATE_REGISTERED,
 317                 ADV_MONITOR_STATE_OFFLOADED
 318         } state;
 319 };
 320
 321 #define HCI_MIN_ADV_MONITOR_HANDLE              1
 322 #define HCI_MAX_ADV_MONITOR_NUM_HANDLES         32
 323 #define HCI_MAX_ADV_MONITOR_NUM_PATTERNS        16
 324 #define HCI_ADV_MONITOR_EXT_NONE                1
 325 #define HCI_ADV_MONITOR_EXT_MSFT                2
 326
 327 #define HCI_MAX_SHORT_NAME_LENGTH       10
 328
 329 #define HCI_CONN_HANDLE_MAX             0x0eff
 330 #define HCI_CONN_HANDLE_UNSET(_handle)  (_handle > HCI_CONN_HANDLE_MAX)
 331
 332 /* Min encryption key size to match with SMP */
 333 #define HCI_MIN_ENC_KEY_SIZE            7
 334
 335 /* Default LE RPA expiry time, 15 minutes */
 336 #define HCI_DEFAULT_RPA_TIMEOUT         (15 * 60)
 337
 338 /* Default min/max age of connection information (1s/3s) */
 339 #define DEFAULT_CONN_INFO_MIN_AGE       1000
 340 #define DEFAULT_CONN_INFO_MAX_AGE       3000
 341 /* Default authenticated payload timeout 30s */
 342 #define DEFAULT_AUTH_PAYLOAD_TIMEOUT   0x0bb8
 343
 344 struct amp_assoc {
 345         __u16   len;
 346         __u16   offset;
 347         __u16   rem_len;
 348         __u16   len_so_far;
 349         __u8    data[HCI_MAX_AMP_ASSOC_SIZE];
 350 };
 351
 352 #define HCI_MAX_PAGES   3
 353
 354 #ifdef TIZEN_BT
 355 #define HCI_MAX_EIR_MANUFACTURER_DATA_LENGTH    100
 356 #endif
 357
 358 struct hci_dev {
 359         struct list_head list;
 360         struct mutex    lock;
 361
 362         struct ida      unset_handle_ida;
 363
 364         const char      *name;
 365         unsigned long   flags;
 366         __u16           id;
 367         __u8            bus;
 368         __u8            dev_type;
 369         bdaddr_t        bdaddr;
 370         bdaddr_t        setup_addr;
 371         bdaddr_t        public_addr;
 372         bdaddr_t        random_addr;
 373         bdaddr_t        static_addr;
 374         __u8            adv_addr_type;
 375         __u8            dev_name[HCI_MAX_NAME_LENGTH];
 376         __u8            short_name[HCI_MAX_SHORT_NAME_LENGTH];
 377         __u8            eir[HCI_MAX_EIR_LENGTH];
 378         __u16           appearance;
 379         __u8            dev_class[3];
 380         __u8            major_class;
 381         __u8            minor_class;
 382         __u8            max_page;
 383         __u8            features[HCI_MAX_PAGES][8];
 384         __u8            le_features[8];
 385         __u8            le_accept_list_size;
 386         __u8            le_resolv_list_size;
 387         __u8            le_num_of_adv_sets;
 388         __u8            le_states[8];
 389         __u8            mesh_ad_types[16];
 390         __u8            mesh_send_ref;
 391         __u8            commands[64];
 392         __u8            hci_ver;
 393         __u16           hci_rev;
 394         __u8            lmp_ver;
 395         __u16           manufacturer;
 396         __u16           lmp_subver;
 397         __u16           voice_setting;
 398         __u8            num_iac;
 399         __u16           stored_max_keys;
 400         __u16           stored_num_keys;
 401         __u8            io_capability;
 402         __s8            inq_tx_power;
 403         __u8            err_data_reporting;
 404         __u16           page_scan_interval;
 405         __u16           page_scan_window;
 406         __u8            page_scan_type;
 407         __u8            le_adv_channel_map;
 408         __u16           le_adv_min_interval;
 409         __u16           le_adv_max_interval;
 410         __u8            le_scan_type;
 411         __u16           le_scan_interval;
 412         __u16           le_scan_window;
 413         __u16           le_scan_int_suspend;
 414         __u16           le_scan_window_suspend;
 415         __u16           le_scan_int_discovery;
 416         __u16           le_scan_window_discovery;
 417         __u16           le_scan_int_adv_monitor;
 418         __u16           le_scan_window_adv_monitor;
 419         __u16           le_scan_int_connect;
 420         __u16           le_scan_window_connect;
 421         __u16           le_conn_min_interval;
 422         __u16           le_conn_max_interval;
 423         __u16           le_conn_latency;
 424         __u16           le_supv_timeout;
 425         __u16           le_def_tx_len;
 426         __u16           le_def_tx_time;
 427         __u16           le_max_tx_len;
 428         __u16           le_max_tx_time;
 429         __u16           le_max_rx_len;
 430         __u16           le_max_rx_time;
 431         __u8            le_max_key_size;
 432         __u8            le_min_key_size;
 433         __u16           discov_interleaved_timeout;
 434         __u16           conn_info_min_age;
 435         __u16           conn_info_max_age;
 436         __u16           auth_payload_timeout;
 437         __u8            min_enc_key_size;
 438         __u8            max_enc_key_size;
 439         __u8            pairing_opts;
 440         __u8            ssp_debug_mode;
 441         __u8            hw_error_code;
 442         __u32           clock;
 443         __u16           advmon_allowlist_duration;
 444         __u16           advmon_no_filter_duration;
 445         __u8            enable_advmon_interleave_scan;
 446
 447         __u16           devid_source;
 448         __u16           devid_vendor;
 449         __u16           devid_product;
 450         __u16           devid_version;
 451
 452         __u8            def_page_scan_type;
 453         __u16           def_page_scan_int;
 454         __u16           def_page_scan_window;
 455         __u8            def_inq_scan_type;
 456         __u16           def_inq_scan_int;
 457         __u16           def_inq_scan_window;
 458         __u16           def_br_lsto;
 459         __u16           def_page_timeout;
 460         __u16           def_multi_adv_rotation_duration;
 461         __u16           def_le_autoconnect_timeout;
 462         __s8            min_le_tx_power;
 463         __s8            max_le_tx_power;
 464
 465         __u16           pkt_type;
 466         __u16           esco_type;
 467         __u16           link_policy;
 468         __u16           link_mode;
 469
 470         __u32           idle_timeout;
 471         __u16           sniff_min_interval;
 472         __u16           sniff_max_interval;
 473
 474         __u8            amp_status;
 475         __u32           amp_total_bw;
 476         __u32           amp_max_bw;
 477         __u32           amp_min_latency;
 478         __u32           amp_max_pdu;
 479         __u8            amp_type;
 480         __u16           amp_pal_cap;
 481         __u16           amp_assoc_size;
 482         __u32           amp_max_flush_to;
 483         __u32           amp_be_flush_to;
 484
 485         struct amp_assoc        loc_assoc;
 486
 487         __u8            flow_ctl_mode;
 488
 489         unsigned int    auto_accept_delay;
 490
 491         unsigned long   quirks;
 492
 493         atomic_t        cmd_cnt;
 494         unsigned int    acl_cnt;
 495         unsigned int    sco_cnt;
 496         unsigned int    le_cnt;
 497         unsigned int    iso_cnt;
 498
 499         unsigned int    acl_mtu;
 500         unsigned int    sco_mtu;
 501         unsigned int    le_mtu;
 502         unsigned int    iso_mtu;
 503         unsigned int    acl_pkts;
 504         unsigned int    sco_pkts;
 505         unsigned int    le_pkts;
 506         unsigned int    iso_pkts;
 507
 508         __u16           block_len;
 509         __u16           block_mtu;
 510         __u16           num_blocks;
 511         __u16           block_cnt;
 512
 513         unsigned long   acl_last_tx;
 514         unsigned long   sco_last_tx;
 515         unsigned long   le_last_tx;
 516
 517         __u8            le_tx_def_phys;
 518         __u8            le_rx_def_phys;
 519
 520         struct workqueue_struct *workqueue;
 521         struct workqueue_struct *req_workqueue;
 522
 523         struct work_struct      power_on;
 524         struct delayed_work     power_off;
 525         struct work_struct      error_reset;
 526         struct work_struct      cmd_sync_work;
 527         struct list_head        cmd_sync_work_list;
 528         struct mutex            cmd_sync_work_lock;
 529         struct mutex            unregister_lock;
 530         struct work_struct      cmd_sync_cancel_work;
 531         struct work_struct      reenable_adv_work;
 532
 533         __u16                   discov_timeout;
 534         struct delayed_work     discov_off;
 535
 536         struct delayed_work     service_cache;
 537
 538         struct delayed_work     cmd_timer;
 539         struct delayed_work     ncmd_timer;
 540
 541         struct work_struct      rx_work;
 542         struct work_struct      cmd_work;
 543         struct work_struct      tx_work;
 544
 545         struct delayed_work     le_scan_disable;
 546         struct delayed_work     le_scan_restart;
 547
 548         struct sk_buff_head     rx_q;
 549         struct sk_buff_head     raw_q;
 550         struct sk_buff_head     cmd_q;
 551
 552         struct sk_buff          *sent_cmd;
 553         struct sk_buff          *recv_event;
 554
 555         struct mutex            req_lock;
 556         wait_queue_head_t       req_wait_q;
 557         __u32                   req_status;
 558         __u32                   req_result;
 559         struct sk_buff          *req_skb;
 560
 561         void                    *smp_data;
 562         void                    *smp_bredr_data;
 563
 564         struct discovery_state  discovery;
 565
 566         int                     discovery_old_state;
 567         bool                    discovery_paused;
 568         int                     advertising_old_state;
 569         bool                    advertising_paused;
 570
 571         struct notifier_block   suspend_notifier;
 572         enum suspended_state    suspend_state_next;
 573         enum suspended_state    suspend_state;
 574         bool                    scanning_paused;
 575         bool                    suspended;
 576         u8                      wake_reason;
 577         bdaddr_t                wake_addr;
 578         u8                      wake_addr_type;
 579 #ifdef TIZEN_BT
 580         struct discovery_state  le_discovery;
 581 #endif
 582
 583         struct hci_conn_hash    conn_hash;
 584
 585         struct list_head        mesh_pending;
 586         struct list_head        mgmt_pending;
 587         struct list_head        reject_list;
 588         struct list_head        accept_list;
 589         struct list_head        uuids;
 590         struct list_head        link_keys;
 591         struct list_head        long_term_keys;
 592         struct list_head        identity_resolving_keys;
 593         struct list_head        remote_oob_data;
 594         struct list_head        le_accept_list;
 595         struct list_head        le_resolv_list;
 596         struct list_head        le_conn_params;
 597         struct list_head        pend_le_conns;
 598         struct list_head        pend_le_reports;
 599         struct list_head        blocked_keys;
 600         struct list_head        local_codecs;
 601
 602         struct hci_dev_stats    stat;
 603
 604         atomic_t                promisc;
 605
 606         const char              *hw_info;
 607         const char              *fw_info;
 608         struct dentry           *debugfs;
 609
 610         struct hci_devcoredump  dump;
 611
 612         struct device           dev;
 613
 614         struct rfkill           *rfkill;
 615
 616         DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS);
 617         hci_conn_flags_t        conn_flags;
 618
 619         __s8                    adv_tx_power;
 620         __u8                    adv_data[HCI_MAX_EXT_AD_LENGTH];
 621         __u8                    adv_data_len;
 622         __u8                    scan_rsp_data[HCI_MAX_EXT_AD_LENGTH];
 623         __u8                    scan_rsp_data_len;
 624         __u8                    per_adv_data[HCI_MAX_PER_AD_LENGTH];
 625         __u8                    per_adv_data_len;
 626
 627         struct list_head        adv_instances;
 628         unsigned int            adv_instance_cnt;
 629         __u8                    cur_adv_instance;
 630         __u16                   adv_instance_timeout;
 631         struct delayed_work     adv_instance_expire;
 632
 633         struct idr              adv_monitors_idr;
 634         unsigned int            adv_monitors_cnt;
 635
 636         __u8                    irk[16];
 637         __u32                   rpa_timeout;
 638         struct delayed_work     rpa_expired;
 639         bdaddr_t                rpa;
 640
 641         struct delayed_work     mesh_send_done;
 642
 643         enum {
 644                 INTERLEAVE_SCAN_NONE,
 645                 INTERLEAVE_SCAN_NO_FILTER,
 646                 INTERLEAVE_SCAN_ALLOWLIST
 647         } interleave_scan_state;
 648
 649         struct delayed_work     interleave_scan;
 650
 651         struct list_head        monitored_devices;
 652         bool                    advmon_pend_notify;
 653
 654 #if IS_ENABLED(CONFIG_BT_LEDS)
 655         struct led_trigger      *power_led;
 656 #endif
 657
 658 #if IS_ENABLED(CONFIG_BT_MSFTEXT)
 659         __u16                   msft_opcode;
 660         void                    *msft_data;
 661         bool                    msft_curve_validity;
 662 #endif
 663
 664 #if IS_ENABLED(CONFIG_BT_AOSPEXT)
 665         bool                    aosp_capable;
 666         bool                    aosp_quality_report;
 667 #endif
 668
 669 #ifdef TIZEN_BT
 670         __u8                    adv_filter_policy;
 671         __u8                    adv_type;
 672         __u8                    manufacturer_len;
 673         __u8                    manufacturer_data[HCI_MAX_EIR_MANUFACTURER_DATA_LENGTH];
 674 #endif
 675
 676         int (*open)(struct hci_dev *hdev);
 677         int (*close)(struct hci_dev *hdev);
 678         int (*flush)(struct hci_dev *hdev);
 679         int (*setup)(struct hci_dev *hdev);
 680         int (*shutdown)(struct hci_dev *hdev);
 681         int (*send)(struct hci_dev *hdev, struct sk_buff *skb);
 682         void (*notify)(struct hci_dev *hdev, unsigned int evt);
 683         void (*hw_error)(struct hci_dev *hdev, u8 code);
 684         int (*post_init)(struct hci_dev *hdev);
 685         int (*set_diag)(struct hci_dev *hdev, bool enable);
 686         int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr);
 687         void (*cmd_timeout)(struct hci_dev *hdev);
 688         void (*reset)(struct hci_dev *hdev);
 689         bool (*wakeup)(struct hci_dev *hdev);
 690         int (*set_quality_report)(struct hci_dev *hdev, bool enable);
 691         int (*get_data_path_id)(struct hci_dev *hdev, __u8 *data_path);
 692         int (*get_codec_config_data)(struct hci_dev *hdev, __u8 type,
 693                                      struct bt_codec *codec, __u8 *vnd_len,
 694                                      __u8 **vnd_data);
 695 };
 696
 697 #define HCI_PHY_HANDLE(handle)  (handle & 0xff)
 698
 699 enum conn_reasons {
 700         CONN_REASON_PAIR_DEVICE,
 701         CONN_REASON_L2CAP_CHAN,
 702         CONN_REASON_SCO_CONNECT,
 703         CONN_REASON_ISO_CONNECT,
 704 };
 705
 706 struct hci_conn {
 707         struct list_head list;
 708
 709         atomic_t        refcnt;
 710
 711         bdaddr_t        dst;
 712         __u8            dst_type;
 713         bdaddr_t        src;
 714         __u8            src_type;
 715         bdaddr_t        init_addr;
 716         __u8            init_addr_type;
 717         bdaddr_t        resp_addr;
 718         __u8            resp_addr_type;
 719         __u8            adv_instance;
 720         __u16           handle;
 721         __u16           sync_handle;
 722         __u16           state;
 723         __u8            mode;
 724         __u8            type;
 725         __u8            role;
 726         bool            out;
 727         __u8            attempt;
 728         __u8            dev_class[3];
 729         __u8            features[HCI_MAX_PAGES][8];
 730         __u16           pkt_type;
 731         __u16           link_policy;
 732         __u8            key_type;
 733         __u8            auth_type;
 734         __u8            sec_level;
 735         __u8            pending_sec_level;
 736         __u8            pin_length;
 737         __u8            enc_key_size;
 738         __u8            io_capability;
 739         __u32           passkey_notify;
 740         __u8            passkey_entered;
 741         __u16           disc_timeout;
 742         __u16           conn_timeout;
 743         __u16           setting;
 744         __u16           auth_payload_timeout;
 745         __u16           le_conn_min_interval;
 746         __u16           le_conn_max_interval;
 747         __u16           le_conn_interval;
 748         __u16           le_conn_latency;
 749         __u16           le_supv_timeout;
 750         __u8            le_adv_data[HCI_MAX_EXT_AD_LENGTH];
 751         __u8            le_adv_data_len;
 752         __u8            le_per_adv_data[HCI_MAX_PER_AD_LENGTH];
 753         __u8            le_per_adv_data_len;
 754         __u8            le_tx_phy;
 755         __u8            le_rx_phy;
 756         __s8            rssi;
 757         __s8            tx_power;
 758         __s8            max_tx_power;
 759         struct bt_iso_qos iso_qos;
 760         unsigned long   flags;
 761
 762         enum conn_reasons conn_reason;
 763         __u8            abort_reason;
 764
 765         __u32           clock;
 766         __u16           clock_accuracy;
 767
 768         unsigned long   conn_info_timestamp;
 769
 770         __u8            remote_cap;
 771         __u8            remote_auth;
 772         __u8            remote_id;
 773
 774         unsigned int    sent;
 775 #ifdef TIZEN_BT
 776         __u16           tx_len;
 777         __u16           tx_time;
 778         __u16           rx_len;
 779         __u16           rx_time;
 780 #endif
 781
 782         struct sk_buff_head data_q;
 783         struct list_head chan_list;
 784
 785         struct delayed_work disc_work;
 786         struct delayed_work auto_accept_work;
 787         struct delayed_work idle_work;
 788         struct delayed_work le_conn_timeout;
 789
 790         struct device   dev;
 791         struct dentry   *debugfs;
 792
 793         struct hci_dev  *hdev;
 794         void            *l2cap_data;
 795         void            *sco_data;
 796         void            *iso_data;
 797         struct amp_mgr  *amp_mgr;
 798
 799 #ifdef TIZEN_BT
 800         bool            rssi_monitored;
 801         __u8            sco_role;
 802         __u16           voice_setting;
 803 #endif
 804         struct list_head link_list;
 805         struct hci_conn *parent;
 806         struct hci_link *link;
 807
 808         struct bt_codec codec;
 809
 810         void (*connect_cfm_cb)  (struct hci_conn *conn, u8 status);
 811         void (*security_cfm_cb) (struct hci_conn *conn, u8 status);
 812         void (*disconn_cfm_cb)  (struct hci_conn *conn, u8 reason);
 813
 814         void (*cleanup)(struct hci_conn *conn);
 815 };
 816
 817 struct hci_link {
 818         struct list_head list;
 819         struct hci_conn *conn;
 820 };
 821
 822 struct hci_chan {
 823         struct list_head list;
 824         __u16 handle;
 825         struct hci_conn *conn;
 826         struct sk_buff_head data_q;
 827         unsigned int    sent;
 828         __u8            state;
 829         bool            amp;
 830 };
 831
 832 struct hci_conn_params {
 833         struct list_head list;
 834         struct list_head action;
 835
 836         bdaddr_t addr;
 837         u8 addr_type;
 838
 839         u16 conn_min_interval;
 840         u16 conn_max_interval;
 841         u16 conn_latency;
 842         u16 supervision_timeout;
 843
 844 #ifdef TIZEN_BT
 845         u16 max_tx_octets;
 846         u16 max_tx_time;
 847 #endif
 848         enum {
 849                 HCI_AUTO_CONN_DISABLED,
 850                 HCI_AUTO_CONN_REPORT,
 851                 HCI_AUTO_CONN_DIRECT,
 852                 HCI_AUTO_CONN_ALWAYS,
 853                 HCI_AUTO_CONN_LINK_LOSS,
 854                 HCI_AUTO_CONN_EXPLICIT,
 855         } auto_connect;
 856
 857         struct hci_conn *conn;
 858         bool explicit_connect;
 859         /* Accessed without hdev->lock: */
 860         hci_conn_flags_t flags;
 861         u8  privacy_mode;
 862 };
 863
 864 extern struct list_head hci_dev_list;
 865 extern struct list_head hci_cb_list;
 866 extern rwlock_t hci_dev_list_lock;
 867 extern struct mutex hci_cb_list_lock;
 868
 869 #define hci_dev_set_flag(hdev, nr)             set_bit((nr), (hdev)->dev_flags)
 870 #define hci_dev_clear_flag(hdev, nr)           clear_bit((nr), (hdev)->dev_flags)
 871 #define hci_dev_change_flag(hdev, nr)          change_bit((nr), (hdev)->dev_flags)
 872 #define hci_dev_test_flag(hdev, nr)            test_bit((nr), (hdev)->dev_flags)
 873 #define hci_dev_test_and_set_flag(hdev, nr)    test_and_set_bit((nr), (hdev)->dev_flags)
 874 #define hci_dev_test_and_clear_flag(hdev, nr)  test_and_clear_bit((nr), (hdev)->dev_flags)
 875 #define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags)
 876
 877 #define hci_dev_clear_volatile_flags(hdev)                      \
 878         do {                                                    \
 879                 hci_dev_clear_flag(hdev, HCI_LE_SCAN);          \
 880                 hci_dev_clear_flag(hdev, HCI_LE_ADV);           \
 881                 hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\
 882                 hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ);     \
 883                 hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT);   \
 884         } while (0)
 885
 886 #define hci_dev_le_state_simultaneous(hdev) \
 887         (test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && \
 888          (hdev->le_states[4] & 0x08) && /* Central */ \
 889          (hdev->le_states[4] & 0x40) && /* Peripheral */ \
 890          (hdev->le_states[3] & 0x10))   /* Simultaneous */
 891
 892 /* ----- HCI interface to upper protocols ----- */
 893 int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
 894 int l2cap_disconn_ind(struct hci_conn *hcon);
 895 void l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
 896
 897 #if IS_ENABLED(CONFIG_BT_BREDR)
 898 int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
 899 void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
 900 #else
 901 static inline int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
 902                                   __u8 *flags)
 903 {
 904         return 0;
 905 }
 906
 907 static inline void sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb)
 908 {
 909 }
 910 #endif
 911
 912 #if IS_ENABLED(CONFIG_BT_LE)
 913 int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
 914 void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
 915 #else
 916 static inline int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
 917                                   __u8 *flags)
 918 {
 919         return 0;
 920 }
 921 static inline void iso_recv(struct hci_conn *hcon, struct sk_buff *skb,
 922                             u16 flags)
 923 {
 924 }
 925 #endif
 926
 927 /* ----- Inquiry cache ----- */
 928 #define INQUIRY_CACHE_AGE_MAX   (HZ*30)   /* 30 seconds */
 929 #define INQUIRY_ENTRY_AGE_MAX   (HZ*60)   /* 60 seconds */
 930
 931 static inline void discovery_init(struct hci_dev *hdev)
 932 {
 933         hdev->discovery.state = DISCOVERY_STOPPED;
 934         INIT_LIST_HEAD(&hdev->discovery.all);
 935         INIT_LIST_HEAD(&hdev->discovery.unknown);
 936         INIT_LIST_HEAD(&hdev->discovery.resolve);
 937         hdev->discovery.report_invalid_rssi = true;
 938         hdev->discovery.rssi = HCI_RSSI_INVALID;
 939 }
 940
 941 static inline void hci_discovery_filter_clear(struct hci_dev *hdev)
 942 {
 943         hdev->discovery.result_filtering = false;
 944         hdev->discovery.report_invalid_rssi = true;
 945         hdev->discovery.rssi = HCI_RSSI_INVALID;
 946         hdev->discovery.uuid_count = 0;
 947         kfree(hdev->discovery.uuids);
 948         hdev->discovery.uuids = NULL;
 949         hdev->discovery.scan_start = 0;
 950         hdev->discovery.scan_duration = 0;
 951 }
 952
 953 bool hci_discovery_active(struct hci_dev *hdev);
 954
 955 void hci_discovery_set_state(struct hci_dev *hdev, int state);
 956
 957 static inline int inquiry_cache_empty(struct hci_dev *hdev)
 958 {
 959         return list_empty(&hdev->discovery.all);
 960 }
 961
 962 static inline long inquiry_cache_age(struct hci_dev *hdev)
 963 {
 964         struct discovery_state *c = &hdev->discovery;
 965         return jiffies - c->timestamp;
 966 }
 967
 968 static inline long inquiry_entry_age(struct inquiry_entry *e)
 969 {
 970         return jiffies - e->timestamp;
 971 }
 972
 973 struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev,
 974                                                bdaddr_t *bdaddr);
 975 struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev,
 976                                                        bdaddr_t *bdaddr);
 977 struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev,
 978                                                        bdaddr_t *bdaddr,
 979                                                        int state);
 980 void hci_inquiry_cache_update_resolve(struct hci_dev *hdev,
 981                                       struct inquiry_entry *ie);
 982 u32 hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data,
 983                              bool name_known);
 984 void hci_inquiry_cache_flush(struct hci_dev *hdev);
 985
 986 /* ----- HCI Connections ----- */
 987 #ifdef TIZEN_BT
 988 #define LINK_SUPERVISION_TIMEOUT        0x1F40   /* n * 0.625 = 5 seconds */
 989 #endif /* TIZEN_BT */
 990
 991 enum {
 992         HCI_CONN_AUTH_PEND,
 993         HCI_CONN_ENCRYPT_PEND,
 994         HCI_CONN_RSWITCH_PEND,
 995         HCI_CONN_MODE_CHANGE_PEND,
 996         HCI_CONN_SCO_SETUP_PEND,
 997         HCI_CONN_MGMT_CONNECTED,
 998         HCI_CONN_SSP_ENABLED,
 999         HCI_CONN_SC_ENABLED,
1000         HCI_CONN_AES_CCM,
1001         HCI_CONN_POWER_SAVE,
1002         HCI_CONN_FLUSH_KEY,
1003         HCI_CONN_ENCRYPT,
1004         HCI_CONN_AUTH,
1005         HCI_CONN_SECURE,
1006         HCI_CONN_FIPS,
1007         HCI_CONN_STK_ENCRYPT,
1008         HCI_CONN_AUTH_INITIATOR,
1009         HCI_CONN_DROP,
1010         HCI_CONN_CANCEL,
1011         HCI_CONN_PARAM_REMOVAL_PEND,
1012         HCI_CONN_NEW_LINK_KEY,
1013         HCI_CONN_SCANNING,
1014         HCI_CONN_AUTH_FAILURE,
1015         HCI_CONN_PER_ADV,
1016         HCI_CONN_BIG_CREATED,
1017         HCI_CONN_CREATE_CIS,
1018         HCI_CONN_BIG_SYNC,
1019         HCI_CONN_BIG_SYNC_FAILED,
1020         HCI_CONN_PA_SYNC,
1021         HCI_CONN_PA_SYNC_FAILED,
1022 };
1023
1024 static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)
1025 {
1026         struct hci_dev *hdev = conn->hdev;
1027         return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
1028                test_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
1029 }
1030
1031 static inline bool hci_conn_sc_enabled(struct hci_conn *conn)
1032 {
1033         struct hci_dev *hdev = conn->hdev;
1034         return hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
1035                test_bit(HCI_CONN_SC_ENABLED, &conn->flags);
1036 }
1037
1038 static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c)
1039 {
1040         struct hci_conn_hash *h = &hdev->conn_hash;
1041         list_add_tail_rcu(&c->list, &h->list);
1042         switch (c->type) {
1043         case ACL_LINK:
1044                 h->acl_num++;
1045                 break;
1046         case AMP_LINK:
1047                 h->amp_num++;
1048                 break;
1049         case LE_LINK:
1050                 h->le_num++;
1051                 if (c->role == HCI_ROLE_SLAVE)
1052                         h->le_num_peripheral++;
1053                 break;
1054         case SCO_LINK:
1055         case ESCO_LINK:
1056                 h->sco_num++;
1057                 break;
1058         case ISO_LINK:
1059                 h->iso_num++;
1060                 break;
1061         }
1062 }
1063
1064 static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c)
1065 {
1066         struct hci_conn_hash *h = &hdev->conn_hash;
1067
1068         list_del_rcu(&c->list);
1069         synchronize_rcu();
1070
1071         switch (c->type) {
1072         case ACL_LINK:
1073                 h->acl_num--;
1074                 break;
1075         case AMP_LINK:
1076                 h->amp_num--;
1077                 break;
1078         case LE_LINK:
1079                 h->le_num--;
1080                 if (c->role == HCI_ROLE_SLAVE)
1081                         h->le_num_peripheral--;
1082                 break;
1083         case SCO_LINK:
1084         case ESCO_LINK:
1085                 h->sco_num--;
1086                 break;
1087         case ISO_LINK:
1088                 h->iso_num--;
1089                 break;
1090         }
1091 }
1092
1093 static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
1094 {
1095         struct hci_conn_hash *h = &hdev->conn_hash;
1096         switch (type) {
1097         case ACL_LINK:
1098                 return h->acl_num;
1099         case AMP_LINK:
1100                 return h->amp_num;
1101         case LE_LINK:
1102                 return h->le_num;
1103         case SCO_LINK:
1104         case ESCO_LINK:
1105                 return h->sco_num;
1106         case ISO_LINK:
1107                 return h->iso_num;
1108         default:
1109                 return 0;
1110         }
1111 }
1112
1113 static inline unsigned int hci_conn_count(struct hci_dev *hdev)
1114 {
1115         struct hci_conn_hash *c = &hdev->conn_hash;
1116
1117         return c->acl_num + c->amp_num + c->sco_num + c->le_num + c->iso_num;
1118 }
1119
1120 static inline __u8 hci_conn_lookup_type(struct hci_dev *hdev, __u16 handle)
1121 {
1122         struct hci_conn_hash *h = &hdev->conn_hash;
1123         struct hci_conn *c;
1124         __u8 type = INVALID_LINK;
1125
1126         rcu_read_lock();
1127
1128         list_for_each_entry_rcu(c, &h->list, list) {
1129                 if (c->handle == handle) {
1130                         type = c->type;
1131                         break;
1132                 }
1133         }
1134
1135         rcu_read_unlock();
1136
1137         return type;
1138 }
1139
1140 static inline struct hci_conn *hci_conn_hash_lookup_bis(struct hci_dev *hdev,
1141                                                         bdaddr_t *ba, __u8 bis)
1142 {
1143         struct hci_conn_hash *h = &hdev->conn_hash;
1144         struct hci_conn  *c;
1145
1146         rcu_read_lock();
1147
1148         list_for_each_entry_rcu(c, &h->list, list) {
1149                 if (bacmp(&c->dst, ba) || c->type != ISO_LINK)
1150                         continue;
1151
1152                 if (c->iso_qos.bcast.bis == bis) {
1153                         rcu_read_unlock();
1154                         return c;
1155                 }
1156         }
1157         rcu_read_unlock();
1158
1159         return NULL;
1160 }
1161
1162 static inline struct hci_conn *
1163 hci_conn_hash_lookup_per_adv_bis(struct hci_dev *hdev,
1164                                  bdaddr_t *ba,
1165                                  __u8 big, __u8 bis)
1166 {
1167         struct hci_conn_hash *h = &hdev->conn_hash;
1168         struct hci_conn  *c;
1169
1170         rcu_read_lock();
1171
1172         list_for_each_entry_rcu(c, &h->list, list) {
1173                 if (bacmp(&c->dst, ba) || c->type != ISO_LINK ||
1174                         !test_bit(HCI_CONN_PER_ADV, &c->flags))
1175                         continue;
1176
1177                 if (c->iso_qos.bcast.big == big &&
1178                     c->iso_qos.bcast.bis == bis) {
1179                         rcu_read_unlock();
1180                         return c;
1181                 }
1182         }
1183         rcu_read_unlock();
1184
1185         return NULL;
1186 }
1187
1188 static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
1189                                                                 __u16 handle)
1190 {
1191         struct hci_conn_hash *h = &hdev->conn_hash;
1192         struct hci_conn  *c;
1193
1194         rcu_read_lock();
1195
1196         list_for_each_entry_rcu(c, &h->list, list) {
1197                 if (c->handle == handle) {
1198                         rcu_read_unlock();
1199                         return c;
1200                 }
1201         }
1202         rcu_read_unlock();
1203
1204         return NULL;
1205 }
1206
1207 static inline struct hci_conn *hci_conn_hash_lookup_ba(struct hci_dev *hdev,
1208                                                         __u8 type, bdaddr_t *ba)
1209 {
1210         struct hci_conn_hash *h = &hdev->conn_hash;
1211         struct hci_conn  *c;
1212
1213         rcu_read_lock();
1214
1215         list_for_each_entry_rcu(c, &h->list, list) {
1216                 if (c->type == type && !bacmp(&c->dst, ba)) {
1217                         rcu_read_unlock();
1218                         return c;
1219                 }
1220         }
1221
1222         rcu_read_unlock();
1223
1224         return NULL;
1225 }
1226
1227 static inline struct hci_conn *hci_conn_hash_lookup_le(struct hci_dev *hdev,
1228                                                        bdaddr_t *ba,
1229                                                        __u8 ba_type)
1230 {
1231         struct hci_conn_hash *h = &hdev->conn_hash;
1232         struct hci_conn  *c;
1233
1234         rcu_read_lock();
1235
1236         list_for_each_entry_rcu(c, &h->list, list) {
1237                 if (c->type != LE_LINK)
1238                        continue;
1239
1240                 if (ba_type == c->dst_type && !bacmp(&c->dst, ba)) {
1241                         rcu_read_unlock();
1242                         return c;
1243                 }
1244         }
1245
1246         rcu_read_unlock();
1247
1248         return NULL;
1249 }
1250
1251 static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev,
1252                                                         bdaddr_t *ba,
1253                                                         __u8 ba_type,
1254                                                         __u8 cig,
1255                                                         __u8 id)
1256 {
1257         struct hci_conn_hash *h = &hdev->conn_hash;
1258         struct hci_conn  *c;
1259
1260         rcu_read_lock();
1261
1262         list_for_each_entry_rcu(c, &h->list, list) {
1263                 if (c->type != ISO_LINK || !bacmp(&c->dst, BDADDR_ANY))
1264                         continue;
1265
1266                 /* Match CIG ID if set */
1267                 if (cig != c->iso_qos.ucast.cig)
1268                         continue;
1269
1270                 /* Match CIS ID if set */
1271                 if (id != c->iso_qos.ucast.cis)
1272                         continue;
1273
1274                 /* Match destination address if set */
1275                 if (!ba || (ba_type == c->dst_type && !bacmp(&c->dst, ba))) {
1276                         rcu_read_unlock();
1277                         return c;
1278                 }
1279         }
1280
1281         rcu_read_unlock();
1282
1283         return NULL;
1284 }
1285
1286 static inline struct hci_conn *hci_conn_hash_lookup_cig(struct hci_dev *hdev,
1287                                                         __u8 handle)
1288 {
1289         struct hci_conn_hash *h = &hdev->conn_hash;
1290         struct hci_conn  *c;
1291
1292         rcu_read_lock();
1293
1294         list_for_each_entry_rcu(c, &h->list, list) {
1295                 if (c->type != ISO_LINK || !bacmp(&c->dst, BDADDR_ANY))
1296                         continue;
1297
1298                 if (handle == c->iso_qos.ucast.cig) {
1299                         rcu_read_unlock();
1300                         return c;
1301                 }
1302         }
1303
1304         rcu_read_unlock();
1305
1306         return NULL;
1307 }
1308
1309 static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev,
1310                                                         __u8 handle)
1311 {
1312         struct hci_conn_hash *h = &hdev->conn_hash;
1313         struct hci_conn  *c;
1314
1315         rcu_read_lock();
1316
1317         list_for_each_entry_rcu(c, &h->list, list) {
1318                 if (bacmp(&c->dst, BDADDR_ANY) || c->type != ISO_LINK)
1319                         continue;
1320
1321                 if (handle == c->iso_qos.bcast.big) {
1322                         rcu_read_unlock();
1323                         return c;
1324                 }
1325         }
1326
1327         rcu_read_unlock();
1328
1329         return NULL;
1330 }
1331
1332 static inline struct hci_conn *hci_conn_hash_lookup_big_any_dst(struct hci_dev *hdev,
1333                                                         __u8 handle)
1334 {
1335         struct hci_conn_hash *h = &hdev->conn_hash;
1336         struct hci_conn  *c;
1337
1338         rcu_read_lock();
1339
1340         list_for_each_entry_rcu(c, &h->list, list) {
1341                 if (c->type != ISO_LINK)
1342                         continue;
1343
1344                 if (handle != BT_ISO_QOS_BIG_UNSET && handle == c->iso_qos.bcast.big) {
1345                         rcu_read_unlock();
1346                         return c;
1347                 }
1348         }
1349
1350         rcu_read_unlock();
1351
1352         return NULL;
1353 }
1354
1355 static inline struct hci_conn *
1356 hci_conn_hash_lookup_pa_sync_big_handle(struct hci_dev *hdev, __u8 big)
1357 {
1358         struct hci_conn_hash *h = &hdev->conn_hash;
1359         struct hci_conn  *c;
1360
1361         rcu_read_lock();
1362
1363         list_for_each_entry_rcu(c, &h->list, list) {
1364                 if (c->type != ISO_LINK ||
1365                         !test_bit(HCI_CONN_PA_SYNC, &c->flags))
1366                         continue;
1367
1368                 if (c->iso_qos.bcast.big == big) {
1369                         rcu_read_unlock();
1370                         return c;
1371                 }
1372         }
1373         rcu_read_unlock();
1374
1375         return NULL;
1376 }
1377
1378 static inline struct hci_conn *
1379 hci_conn_hash_lookup_pa_sync_handle(struct hci_dev *hdev, __u16 sync_handle)
1380 {
1381         struct hci_conn_hash *h = &hdev->conn_hash;
1382         struct hci_conn  *c;
1383
1384         rcu_read_lock();
1385
1386         list_for_each_entry_rcu(c, &h->list, list) {
1387                 if (c->type != ISO_LINK ||
1388                         !test_bit(HCI_CONN_PA_SYNC, &c->flags))
1389                         continue;
1390
1391                 if (c->sync_handle == sync_handle) {
1392                         rcu_read_unlock();
1393                         return c;
1394                 }
1395         }
1396         rcu_read_unlock();
1397
1398         return NULL;
1399 }
1400
1401 static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
1402                                                         __u8 type, __u16 state)
1403 {
1404         struct hci_conn_hash *h = &hdev->conn_hash;
1405         struct hci_conn  *c;
1406
1407         rcu_read_lock();
1408
1409         list_for_each_entry_rcu(c, &h->list, list) {
1410                 if (c->type == type && c->state == state) {
1411                         rcu_read_unlock();
1412                         return c;
1413                 }
1414         }
1415
1416         rcu_read_unlock();
1417
1418         return NULL;
1419 }
1420
1421 typedef void (*hci_conn_func_t)(struct hci_conn *conn, void *data);
1422 static inline void hci_conn_hash_list_state(struct hci_dev *hdev,
1423                                             hci_conn_func_t func, __u8 type,
1424                                             __u16 state, void *data)
1425 {
1426         struct hci_conn_hash *h = &hdev->conn_hash;
1427         struct hci_conn  *c;
1428
1429         if (!func)
1430                 return;
1431
1432         rcu_read_lock();
1433
1434         list_for_each_entry_rcu(c, &h->list, list) {
1435                 if (c->type == type && c->state == state)
1436                         func(c, data);
1437         }
1438
1439         rcu_read_unlock();
1440 }
1441
1442 static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev)
1443 {
1444         struct hci_conn_hash *h = &hdev->conn_hash;
1445         struct hci_conn  *c;
1446
1447         rcu_read_lock();
1448
1449         list_for_each_entry_rcu(c, &h->list, list) {
1450                 if (c->type == LE_LINK && c->state == BT_CONNECT &&
1451                     !test_bit(HCI_CONN_SCANNING, &c->flags)) {
1452                         rcu_read_unlock();
1453                         return c;
1454                 }
1455         }
1456
1457         rcu_read_unlock();
1458
1459         return NULL;
1460 }
1461
1462 /* Returns true if an le connection is in the scanning state */
1463 static inline bool hci_is_le_conn_scanning(struct hci_dev *hdev)
1464 {
1465         struct hci_conn_hash *h = &hdev->conn_hash;
1466         struct hci_conn  *c;
1467
1468         rcu_read_lock();
1469
1470         list_for_each_entry_rcu(c, &h->list, list) {
1471                 if (c->type == LE_LINK && c->state == BT_CONNECT &&
1472                     test_bit(HCI_CONN_SCANNING, &c->flags)) {
1473                         rcu_read_unlock();
1474                         return true;
1475                 }
1476         }
1477
1478         rcu_read_unlock();
1479
1480         return false;
1481 }
1482
1483 #ifdef TIZEN_BT
1484 static inline bool hci_conn_rssi_state_set(struct hci_dev *hdev,
1485                                         __u8 type, bdaddr_t *ba, bool value)
1486 {
1487         struct hci_conn_hash *h = &hdev->conn_hash;
1488         struct hci_conn  *c;
1489         __u8 conn_type;
1490
1491         if (type == 0x01)
1492                 conn_type = LE_LINK;
1493         else
1494                 conn_type = ACL_LINK;
1495
1496         rcu_read_lock();
1497
1498         list_for_each_entry_rcu(c, &h->list, list) {
1499                 if (c->type == conn_type && !bacmp(&c->dst, ba)) {
1500                         c->rssi_monitored = value;
1501                         rcu_read_unlock();
1502                         return true;
1503                 }
1504         }
1505
1506         rcu_read_unlock();
1507         return false;
1508 }
1509
1510 static inline void hci_conn_rssi_unset_all(struct hci_dev *hdev,
1511                                         __u8 type)
1512 {
1513         struct hci_conn_hash *h = &hdev->conn_hash;
1514         struct hci_conn  *c;
1515         __u8 conn_type;
1516
1517         if (type == 0x01)
1518                 conn_type = LE_LINK;
1519         else
1520                 conn_type = ACL_LINK;
1521
1522         rcu_read_lock();
1523         list_for_each_entry_rcu(c, &h->list, list) {
1524                 if (c->type == conn_type)
1525                         c->rssi_monitored = false;
1526 }
1527         rcu_read_unlock();
1528 }
1529
1530 static inline int hci_conn_hash_lookup_rssi_count(struct hci_dev *hdev)
1531 {
1532         struct hci_conn_hash *h = &hdev->conn_hash;
1533         struct hci_conn  *c;
1534         int count = 0;
1535
1536         rcu_read_lock();
1537         list_for_each_entry_rcu(c, &h->list, list) {
1538                 if (c->rssi_monitored == true)
1539                         ++count;
1540         }
1541         rcu_read_unlock();
1542
1543         return count;
1544 }
1545
1546 int hci_conn_change_supervision_timeout(struct hci_conn *conn, __u16 timeout);
1547 bool hci_le_discovery_active(struct hci_dev *hdev);
1548 void hci_le_discovery_set_state(struct hci_dev *hdev, int state);
1549
1550 static inline struct hci_conn *hci_conn_hash_lookup_sco(struct hci_dev *hdev)
1551 {
1552         struct hci_conn_hash *h = &hdev->conn_hash;
1553         struct hci_conn  *c;
1554
1555         rcu_read_lock();
1556         list_for_each_entry_rcu(c, &h->list, list) {
1557                 if (c->type == SCO_LINK || c->type == ESCO_LINK) {
1558                         rcu_read_unlock();
1559                         return c;
1560                 }
1561         }
1562         rcu_read_unlock();
1563
1564         return NULL;
1565 }
1566 #endif
1567
1568 int hci_disconnect(struct hci_conn *conn, __u8 reason);
1569 bool hci_setup_sync(struct hci_conn *conn, __u16 handle);
1570 void hci_sco_setup(struct hci_conn *conn, __u8 status);
1571 bool hci_iso_setup_path(struct hci_conn *conn);
1572 int hci_le_create_cis_pending(struct hci_dev *hdev);
1573 int hci_conn_check_create_cis(struct hci_conn *conn);
1574
1575 struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,
1576                               u8 role, u16 handle);
1577 struct hci_conn *hci_conn_add_unset(struct hci_dev *hdev, int type,
1578                                     bdaddr_t *dst, u8 role);
1579 void hci_conn_del(struct hci_conn *conn);
1580 void hci_conn_hash_flush(struct hci_dev *hdev);
1581 void hci_conn_check_pending(struct hci_dev *hdev);
1582
1583 struct hci_chan *hci_chan_create(struct hci_conn *conn);
1584 void hci_chan_del(struct hci_chan *chan);
1585 void hci_chan_list_flush(struct hci_conn *conn);
1586 struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle);
1587
1588 struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst,
1589                                      u8 dst_type, u8 sec_level,
1590                                      u16 conn_timeout,
1591                                      enum conn_reasons conn_reason);
1592 struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
1593                                 u8 dst_type, bool dst_resolved, u8 sec_level,
1594                                 u16 conn_timeout, u8 role);
1595 struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
1596                                  u8 sec_level, u8 auth_type,
1597                                  enum conn_reasons conn_reason);
1598 struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst,
1599                                  __u16 setting, struct bt_codec *codec);
1600 struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst,
1601                               __u8 dst_type, struct bt_iso_qos *qos);
1602 struct hci_conn *hci_bind_bis(struct hci_dev *hdev, bdaddr_t *dst,
1603                               struct bt_iso_qos *qos,
1604                               __u8 base_len, __u8 *base);
1605 struct hci_conn *hci_connect_cis(struct hci_dev *hdev, bdaddr_t *dst,
1606                                  __u8 dst_type, struct bt_iso_qos *qos);
1607 struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst,
1608                                  __u8 dst_type, struct bt_iso_qos *qos,
1609                                  __u8 data_len, __u8 *data);
1610 int hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst, __u8 dst_type,
1611                        __u8 sid, struct bt_iso_qos *qos);
1612 int hci_le_big_create_sync(struct hci_dev *hdev, struct hci_conn *hcon,
1613                            struct bt_iso_qos *qos,
1614                            __u16 sync_handle, __u8 num_bis, __u8 bis[]);
1615 int hci_conn_check_link_mode(struct hci_conn *conn);
1616 int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
1617 int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type,
1618                       bool initiator);
1619 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
1620
1621 void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active);
1622
1623 void hci_conn_failed(struct hci_conn *conn, u8 status);
1624 u8 hci_conn_set_handle(struct hci_conn *conn, u16 handle);
1625
1626 /*
1627  * hci_conn_get() and hci_conn_put() are used to control the life-time of an
1628  * "hci_conn" object. They do not guarantee that the hci_conn object is running,
1629  * working or anything else. They just guarantee that the object is available
1630  * and can be dereferenced. So you can use its locks, local variables and any
1631  * other constant data.
1632  * Before accessing runtime data, you _must_ lock the object and then check that
1633  * it is still running. As soon as you release the locks, the connection might
1634  * get dropped, though.
1635  *
1636  * On the other hand, hci_conn_hold() and hci_conn_drop() are used to control
1637  * how long the underlying connection is held. So every channel that runs on the
1638  * hci_conn object calls this to prevent the connection from disappearing. As
1639  * long as you hold a device, you must also guarantee that you have a valid
1640  * reference to the device via hci_conn_get() (or the initial reference from
1641  * hci_conn_add()).
1642  * The hold()/drop() ref-count is known to drop below 0 sometimes, which doesn't
1643  * break because nobody cares for that. But this means, we cannot use
1644  * _get()/_drop() in it, but require the caller to have a valid ref (FIXME).
1645  */
1646
1647 static inline struct hci_conn *hci_conn_get(struct hci_conn *conn)
1648 {
1649         get_device(&conn->dev);
1650         return conn;
1651 }
1652
1653 static inline void hci_conn_put(struct hci_conn *conn)
1654 {
1655         put_device(&conn->dev);
1656 }
1657
1658 static inline struct hci_conn *hci_conn_hold(struct hci_conn *conn)
1659 {
1660         BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
1661
1662         atomic_inc(&conn->refcnt);
1663         cancel_delayed_work(&conn->disc_work);
1664
1665         return conn;
1666 }
1667
1668 static inline void hci_conn_drop(struct hci_conn *conn)
1669 {
1670         BT_DBG("hcon %p orig refcnt %d", conn, atomic_read(&conn->refcnt));
1671
1672         if (atomic_dec_and_test(&conn->refcnt)) {
1673                 unsigned long timeo;
1674
1675                 switch (conn->type) {
1676                 case ACL_LINK:
1677                 case LE_LINK:
1678                         cancel_delayed_work(&conn->idle_work);
1679                         if (conn->state == BT_CONNECTED) {
1680                                 timeo = conn->disc_timeout;
1681                                 if (!conn->out)
1682                                         timeo *= 2;
1683                         } else {
1684                                 timeo = 0;
1685                         }
1686                         break;
1687
1688                 case AMP_LINK:
1689                         timeo = conn->disc_timeout;
1690                         break;
1691
1692                 default:
1693                         timeo = 0;
1694                         break;
1695                 }
1696
1697                 cancel_delayed_work(&conn->disc_work);
1698                 queue_delayed_work(conn->hdev->workqueue,
1699                                    &conn->disc_work, timeo);
1700         }
1701 }
1702
1703 /* ----- HCI Devices ----- */
1704 static inline void hci_dev_put(struct hci_dev *d)
1705 {
1706         BT_DBG("%s orig refcnt %d", d->name,
1707                kref_read(&d->dev.kobj.kref));
1708
1709         put_device(&d->dev);
1710 }
1711
1712 static inline struct hci_dev *hci_dev_hold(struct hci_dev *d)
1713 {
1714         BT_DBG("%s orig refcnt %d", d->name,
1715                kref_read(&d->dev.kobj.kref));
1716
1717         get_device(&d->dev);
1718         return d;
1719 }
1720
1721 #define hci_dev_lock(d)         mutex_lock(&d->lock)
1722 #define hci_dev_unlock(d)       mutex_unlock(&d->lock)
1723
1724 #define to_hci_dev(d) container_of(d, struct hci_dev, dev)
1725 #define to_hci_conn(c) container_of(c, struct hci_conn, dev)
1726
1727 static inline void *hci_get_drvdata(struct hci_dev *hdev)
1728 {
1729         return dev_get_drvdata(&hdev->dev);
1730 }
1731
1732 static inline void hci_set_drvdata(struct hci_dev *hdev, void *data)
1733 {
1734         dev_set_drvdata(&hdev->dev, data);
1735 }
1736
1737 static inline void *hci_get_priv(struct hci_dev *hdev)
1738 {
1739         return (char *)hdev + sizeof(*hdev);
1740 }
1741
1742 struct hci_dev *hci_dev_get(int index);
1743 struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src, u8 src_type);
1744
1745 struct hci_dev *hci_alloc_dev_priv(int sizeof_priv);
1746
1747 static inline struct hci_dev *hci_alloc_dev(void)
1748 {
1749         return hci_alloc_dev_priv(0);
1750 }
1751
1752 void hci_free_dev(struct hci_dev *hdev);
1753 int hci_register_dev(struct hci_dev *hdev);
1754 void hci_unregister_dev(struct hci_dev *hdev);
1755 void hci_release_dev(struct hci_dev *hdev);
1756 int hci_register_suspend_notifier(struct hci_dev *hdev);
1757 int hci_unregister_suspend_notifier(struct hci_dev *hdev);
1758 int hci_suspend_dev(struct hci_dev *hdev);
1759 int hci_resume_dev(struct hci_dev *hdev);
1760 int hci_reset_dev(struct hci_dev *hdev);
1761 int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb);
1762 int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb);
1763 __printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...);
1764 __printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...);
1765
1766 static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode)
1767 {
1768 #if IS_ENABLED(CONFIG_BT_MSFTEXT)
1769         hdev->msft_opcode = opcode;
1770 #endif
1771 }
1772
1773 static inline void hci_set_aosp_capable(struct hci_dev *hdev)
1774 {
1775 #if IS_ENABLED(CONFIG_BT_AOSPEXT)
1776         hdev->aosp_capable = true;
1777 #endif
1778 }
1779
1780 static inline void hci_devcd_setup(struct hci_dev *hdev)
1781 {
1782 #ifdef CONFIG_DEV_COREDUMP
1783         INIT_WORK(&hdev->dump.dump_rx, hci_devcd_rx);
1784         INIT_DELAYED_WORK(&hdev->dump.dump_timeout, hci_devcd_timeout);
1785         skb_queue_head_init(&hdev->dump.dump_q);
1786 #endif
1787 }
1788
1789 int hci_dev_open(__u16 dev);
1790 int hci_dev_close(__u16 dev);
1791 int hci_dev_do_close(struct hci_dev *hdev);
1792 int hci_dev_reset(__u16 dev);
1793 int hci_dev_reset_stat(__u16 dev);
1794 int hci_dev_cmd(unsigned int cmd, void __user *arg);
1795 int hci_get_dev_list(void __user *arg);
1796 int hci_get_dev_info(void __user *arg);
1797 int hci_get_conn_list(void __user *arg);
1798 int hci_get_conn_info(struct hci_dev *hdev, void __user *arg);
1799 int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
1800 #ifdef TIZEN_BT
1801 u32 get_link_mode(struct hci_conn *conn);
1802 #endif
1803 int hci_inquiry(void __user *arg);
1804
1805 struct bdaddr_list *hci_bdaddr_list_lookup(struct list_head *list,
1806                                            bdaddr_t *bdaddr, u8 type);
1807 struct bdaddr_list_with_irk *hci_bdaddr_list_lookup_with_irk(
1808                                     struct list_head *list, bdaddr_t *bdaddr,
1809                                     u8 type);
1810 struct bdaddr_list_with_flags *
1811 hci_bdaddr_list_lookup_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1812                                   u8 type);
1813 int hci_bdaddr_list_add(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1814 int hci_bdaddr_list_add_with_irk(struct list_head *list, bdaddr_t *bdaddr,
1815                                  u8 type, u8 *peer_irk, u8 *local_irk);
1816 int hci_bdaddr_list_add_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1817                                    u8 type, u32 flags);
1818 int hci_bdaddr_list_del(struct list_head *list, bdaddr_t *bdaddr, u8 type);
1819 int hci_bdaddr_list_del_with_irk(struct list_head *list, bdaddr_t *bdaddr,
1820                                  u8 type);
1821 int hci_bdaddr_list_del_with_flags(struct list_head *list, bdaddr_t *bdaddr,
1822                                    u8 type);
1823 void hci_bdaddr_list_clear(struct list_head *list);
1824
1825 struct hci_conn_params *hci_conn_params_lookup(struct hci_dev *hdev,
1826                                                bdaddr_t *addr, u8 addr_type);
1827 struct hci_conn_params *hci_conn_params_add(struct hci_dev *hdev,
1828                                             bdaddr_t *addr, u8 addr_type);
1829 void hci_conn_params_del(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type);
1830 void hci_conn_params_clear_disabled(struct hci_dev *hdev);
1831 void hci_conn_params_free(struct hci_conn_params *param);
1832
1833 void hci_pend_le_list_del_init(struct hci_conn_params *param);
1834 void hci_pend_le_list_add(struct hci_conn_params *param,
1835                           struct list_head *list);
1836 struct hci_conn_params *hci_pend_le_action_lookup(struct list_head *list,
1837                                                   bdaddr_t *addr,
1838                                                   u8 addr_type);
1839
1840 void hci_uuids_clear(struct hci_dev *hdev);
1841
1842 void hci_link_keys_clear(struct hci_dev *hdev);
1843 struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1844 struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn,
1845                                   bdaddr_t *bdaddr, u8 *val, u8 type,
1846                                   u8 pin_len, bool *persistent);
1847 struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1848                             u8 addr_type, u8 type, u8 authenticated,
1849                             u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand);
1850 struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1851                              u8 addr_type, u8 role);
1852 int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 bdaddr_type);
1853 void hci_smp_ltks_clear(struct hci_dev *hdev);
1854 int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
1855
1856 struct smp_irk *hci_find_irk_by_rpa(struct hci_dev *hdev, bdaddr_t *rpa);
1857 struct smp_irk *hci_find_irk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
1858                                      u8 addr_type);
1859 struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr,
1860                             u8 addr_type, u8 val[16], bdaddr_t *rpa);
1861 void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type);
1862 bool hci_is_blocked_key(struct hci_dev *hdev, u8 type, u8 val[16]);
1863 void hci_blocked_keys_clear(struct hci_dev *hdev);
1864 void hci_smp_irks_clear(struct hci_dev *hdev);
1865
1866 bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
1867
1868 void hci_remote_oob_data_clear(struct hci_dev *hdev);
1869 struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
1870                                           bdaddr_t *bdaddr, u8 bdaddr_type);
1871 int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1872                             u8 bdaddr_type, u8 *hash192, u8 *rand192,
1873                             u8 *hash256, u8 *rand256);
1874 int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr,
1875                                u8 bdaddr_type);
1876
1877 void hci_adv_instances_clear(struct hci_dev *hdev);
1878 struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance);
1879 struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance);
1880 struct adv_info *hci_add_adv_instance(struct hci_dev *hdev, u8 instance,
1881                                       u32 flags, u16 adv_data_len, u8 *adv_data,
1882                                       u16 scan_rsp_len, u8 *scan_rsp_data,
1883                                       u16 timeout, u16 duration, s8 tx_power,
1884                                       u32 min_interval, u32 max_interval,
1885                                       u8 mesh_handle);
1886 struct adv_info *hci_add_per_instance(struct hci_dev *hdev, u8 instance,
1887                                       u32 flags, u8 data_len, u8 *data,
1888                                       u32 min_interval, u32 max_interval);
1889 int hci_set_adv_instance_data(struct hci_dev *hdev, u8 instance,
1890                          u16 adv_data_len, u8 *adv_data,
1891                          u16 scan_rsp_len, u8 *scan_rsp_data);
1892 int hci_remove_adv_instance(struct hci_dev *hdev, u8 instance);
1893 void hci_adv_instances_set_rpa_expired(struct hci_dev *hdev, bool rpa_expired);
1894 u32 hci_adv_instance_flags(struct hci_dev *hdev, u8 instance);
1895 bool hci_adv_instance_is_scannable(struct hci_dev *hdev, u8 instance);
1896
1897 void hci_adv_monitors_clear(struct hci_dev *hdev);
1898 void hci_free_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
1899 int hci_add_adv_monitor(struct hci_dev *hdev, struct adv_monitor *monitor);
1900 int hci_remove_single_adv_monitor(struct hci_dev *hdev, u16 handle);
1901 int hci_remove_all_adv_monitor(struct hci_dev *hdev);
1902 bool hci_is_adv_monitoring(struct hci_dev *hdev);
1903 int hci_get_adv_monitor_offload_ext(struct hci_dev *hdev);
1904
1905 void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
1906
1907 void hci_init_sysfs(struct hci_dev *hdev);
1908 void hci_conn_init_sysfs(struct hci_conn *conn);
1909 void hci_conn_add_sysfs(struct hci_conn *conn);
1910 void hci_conn_del_sysfs(struct hci_conn *conn);
1911
1912 #define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->dev.parent = (pdev))
1913 #define GET_HCIDEV_DEV(hdev) ((hdev)->dev.parent)
1914
1915 /* ----- LMP capabilities ----- */
1916 #define lmp_encrypt_capable(dev)   ((dev)->features[0][0] & LMP_ENCRYPT)
1917 #define lmp_rswitch_capable(dev)   ((dev)->features[0][0] & LMP_RSWITCH)
1918 #define lmp_hold_capable(dev)      ((dev)->features[0][0] & LMP_HOLD)
1919 #define lmp_sniff_capable(dev)     ((dev)->features[0][0] & LMP_SNIFF)
1920 #define lmp_park_capable(dev)      ((dev)->features[0][1] & LMP_PARK)
1921 #define lmp_inq_rssi_capable(dev)  ((dev)->features[0][3] & LMP_RSSI_INQ)
1922 #define lmp_esco_capable(dev)      ((dev)->features[0][3] & LMP_ESCO)
1923 #define lmp_bredr_capable(dev)     (!((dev)->features[0][4] & LMP_NO_BREDR))
1924 #define lmp_le_capable(dev)        ((dev)->features[0][4] & LMP_LE)
1925 #define lmp_sniffsubr_capable(dev) ((dev)->features[0][5] & LMP_SNIFF_SUBR)
1926 #define lmp_pause_enc_capable(dev) ((dev)->features[0][5] & LMP_PAUSE_ENC)
1927 #define lmp_esco_2m_capable(dev)   ((dev)->features[0][5] & LMP_EDR_ESCO_2M)
1928 #define lmp_ext_inq_capable(dev)   ((dev)->features[0][6] & LMP_EXT_INQ)
1929 #define lmp_le_br_capable(dev)     (!!((dev)->features[0][6] & LMP_SIMUL_LE_BR))
1930 #define lmp_ssp_capable(dev)       ((dev)->features[0][6] & LMP_SIMPLE_PAIR)
1931 #define lmp_no_flush_capable(dev)  ((dev)->features[0][6] & LMP_NO_FLUSH)
1932 #define lmp_lsto_capable(dev)      ((dev)->features[0][7] & LMP_LSTO)
1933 #define lmp_inq_tx_pwr_capable(dev) ((dev)->features[0][7] & LMP_INQ_TX_PWR)
1934 #define lmp_ext_feat_capable(dev)  ((dev)->features[0][7] & LMP_EXTFEATURES)
1935 #define lmp_transp_capable(dev)    ((dev)->features[0][2] & LMP_TRANSPARENT)
1936 #define lmp_edr_2m_capable(dev)    ((dev)->features[0][3] & LMP_EDR_2M)
1937 #define lmp_edr_3m_capable(dev)    ((dev)->features[0][3] & LMP_EDR_3M)
1938 #define lmp_edr_3slot_capable(dev) ((dev)->features[0][4] & LMP_EDR_3SLOT)
1939 #define lmp_edr_5slot_capable(dev) ((dev)->features[0][5] & LMP_EDR_5SLOT)
1940
1941 /* ----- Extended LMP capabilities ----- */
1942 #define lmp_cpb_central_capable(dev) ((dev)->features[2][0] & LMP_CPB_CENTRAL)
1943 #define lmp_cpb_peripheral_capable(dev) ((dev)->features[2][0] & LMP_CPB_PERIPHERAL)
1944 #define lmp_sync_train_capable(dev) ((dev)->features[2][0] & LMP_SYNC_TRAIN)
1945 #define lmp_sync_scan_capable(dev)  ((dev)->features[2][0] & LMP_SYNC_SCAN)
1946 #define lmp_sc_capable(dev)         ((dev)->features[2][1] & LMP_SC)
1947 #define lmp_ping_capable(dev)       ((dev)->features[2][1] & LMP_PING)
1948
1949 /* ----- Host capabilities ----- */
1950 #define lmp_host_ssp_capable(dev)  ((dev)->features[1][0] & LMP_HOST_SSP)
1951 #define lmp_host_sc_capable(dev)   ((dev)->features[1][0] & LMP_HOST_SC)
1952 #define lmp_host_le_capable(dev)   (!!((dev)->features[1][0] & LMP_HOST_LE))
1953 #define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR))
1954
1955 #define hdev_is_powered(dev)   (test_bit(HCI_UP, &(dev)->flags) && \
1956                                 !hci_dev_test_flag(dev, HCI_AUTO_OFF))
1957 #define bredr_sc_enabled(dev)  (lmp_sc_capable(dev) && \
1958                                 hci_dev_test_flag(dev, HCI_SC_ENABLED))
1959 #define rpa_valid(dev)         (bacmp(&dev->rpa, BDADDR_ANY) && \
1960                                 !hci_dev_test_flag(dev, HCI_RPA_EXPIRED))
1961 #define adv_rpa_valid(adv)     (bacmp(&adv->random_addr, BDADDR_ANY) && \
1962                                 !adv->rpa_expired)
1963
1964 #define scan_1m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_1M) || \
1965                       ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_1M))
1966
1967 #define le_2m_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_2M))
1968
1969 #define scan_2m(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_2M) || \
1970                       ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_2M))
1971
1972 #define le_coded_capable(dev) (((dev)->le_features[1] & HCI_LE_PHY_CODED) && \
1973                                !test_bit(HCI_QUIRK_BROKEN_LE_CODED, \
1974                                          &(dev)->quirks))
1975
1976 #define scan_coded(dev) (((dev)->le_tx_def_phys & HCI_LE_SET_PHY_CODED) || \
1977                          ((dev)->le_rx_def_phys & HCI_LE_SET_PHY_CODED))
1978
1979 #define ll_privacy_capable(dev) ((dev)->le_features[0] & HCI_LE_LL_PRIVACY)
1980
1981 /* Use LL Privacy based address resolution if supported */
1982 #define use_ll_privacy(dev) (ll_privacy_capable(dev) && \
1983                              hci_dev_test_flag(dev, HCI_ENABLE_LL_PRIVACY))
1984
1985 #define privacy_mode_capable(dev) (use_ll_privacy(dev) && \
1986                                    (hdev->commands[39] & 0x04))
1987
1988 /* Use enhanced synchronous connection if command is supported and its quirk
1989  * has not been set.
1990  */
1991 #define enhanced_sync_conn_capable(dev) \
1992         (((dev)->commands[29] & 0x08) && \
1993          !test_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &(dev)->quirks))
1994
1995 /* Use ext scanning if set ext scan param and ext scan enable is supported */
1996 #define use_ext_scan(dev) (((dev)->commands[37] & 0x20) && \
1997                            ((dev)->commands[37] & 0x40) && \
1998                            !test_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &(dev)->quirks))
1999
2000 /* Use ext create connection if command is supported */
2001 #define use_ext_conn(dev) ((dev)->commands[37] & 0x80)
2002
2003 /* Extended advertising support */
2004 #define ext_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_EXT_ADV))
2005
2006 /* Maximum advertising length */
2007 #define max_adv_len(dev) \
2008         (ext_adv_capable(dev) ? HCI_MAX_EXT_AD_LENGTH : HCI_MAX_AD_LENGTH)
2009
2010 /* BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E page 1789:
2011  *
2012  * C24: Mandatory if the LE Controller supports Connection State and either
2013  * LE Feature (LL Privacy) or LE Feature (Extended Advertising) is supported
2014  */
2015 #define use_enhanced_conn_complete(dev) (ll_privacy_capable(dev) || \
2016                                          ext_adv_capable(dev))
2017
2018 /* Periodic advertising support */
2019 #define per_adv_capable(dev) (((dev)->le_features[1] & HCI_LE_PERIODIC_ADV))
2020
2021 /* CIS Master/Slave and BIS support */
2022 #define iso_capable(dev) (cis_capable(dev) || bis_capable(dev))
2023 #define cis_capable(dev) \
2024         (cis_central_capable(dev) || cis_peripheral_capable(dev))
2025 #define cis_central_capable(dev) \
2026         ((dev)->le_features[3] & HCI_LE_CIS_CENTRAL)
2027 #define cis_peripheral_capable(dev) \
2028         ((dev)->le_features[3] & HCI_LE_CIS_PERIPHERAL)
2029 #define bis_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_BROADCASTER)
2030 #define sync_recv_capable(dev) ((dev)->le_features[3] & HCI_LE_ISO_SYNC_RECEIVER)
2031
2032 #define mws_transport_config_capable(dev) (((dev)->commands[30] & 0x08) && \
2033         (!test_bit(HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG, &(dev)->quirks)))
2034
2035 /* ----- HCI protocols ----- */
2036 #define HCI_PROTO_DEFER             0x01
2037
2038 static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
2039                                         __u8 type, __u8 *flags)
2040 {
2041         switch (type) {
2042         case ACL_LINK:
2043                 return l2cap_connect_ind(hdev, bdaddr);
2044
2045         case SCO_LINK:
2046         case ESCO_LINK:
2047                 return sco_connect_ind(hdev, bdaddr, flags);
2048
2049         case ISO_LINK:
2050                 return iso_connect_ind(hdev, bdaddr, flags);
2051
2052         default:
2053                 BT_ERR("unknown link type %d", type);
2054                 return -EINVAL;
2055         }
2056 }
2057
2058 static inline int hci_proto_disconn_ind(struct hci_conn *conn)
2059 {
2060         if (conn->type != ACL_LINK && conn->type != LE_LINK)
2061                 return HCI_ERROR_REMOTE_USER_TERM;
2062
2063         return l2cap_disconn_ind(conn);
2064 }
2065
2066 /* ----- HCI callbacks ----- */
2067 struct hci_cb {
2068         struct list_head list;
2069
2070         char *name;
2071
2072         void (*connect_cfm)     (struct hci_conn *conn, __u8 status);
2073         void (*disconn_cfm)     (struct hci_conn *conn, __u8 status);
2074         void (*security_cfm)    (struct hci_conn *conn, __u8 status,
2075                                                                 __u8 encrypt);
2076         void (*key_change_cfm)  (struct hci_conn *conn, __u8 status);
2077         void (*role_switch_cfm) (struct hci_conn *conn, __u8 status, __u8 role);
2078 };
2079
2080 static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status)
2081 {
2082         struct hci_cb *cb;
2083
2084         mutex_lock(&hci_cb_list_lock);
2085         list_for_each_entry(cb, &hci_cb_list, list) {
2086                 if (cb->connect_cfm)
2087                         cb->connect_cfm(conn, status);
2088         }
2089         mutex_unlock(&hci_cb_list_lock);
2090
2091         if (conn->connect_cfm_cb)
2092                 conn->connect_cfm_cb(conn, status);
2093 }
2094
2095 static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason)
2096 {
2097         struct hci_cb *cb;
2098
2099         mutex_lock(&hci_cb_list_lock);
2100         list_for_each_entry(cb, &hci_cb_list, list) {
2101                 if (cb->disconn_cfm)
2102                         cb->disconn_cfm(conn, reason);
2103         }
2104         mutex_unlock(&hci_cb_list_lock);
2105
2106         if (conn->disconn_cfm_cb)
2107                 conn->disconn_cfm_cb(conn, reason);
2108 }
2109
2110 static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
2111 {
2112         struct hci_cb *cb;
2113         __u8 encrypt;
2114
2115         if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
2116                 return;
2117
2118         encrypt = test_bit(HCI_CONN_ENCRYPT, &conn->flags) ? 0x01 : 0x00;
2119
2120         mutex_lock(&hci_cb_list_lock);
2121         list_for_each_entry(cb, &hci_cb_list, list) {
2122                 if (cb->security_cfm)
2123                         cb->security_cfm(conn, status, encrypt);
2124         }
2125         mutex_unlock(&hci_cb_list_lock);
2126
2127         if (conn->security_cfm_cb)
2128                 conn->security_cfm_cb(conn, status);
2129 }
2130
2131 static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status)
2132 {
2133         struct hci_cb *cb;
2134         __u8 encrypt;
2135
2136         if (conn->state == BT_CONFIG) {
2137                 if (!status)
2138                         conn->state = BT_CONNECTED;
2139
2140                 hci_connect_cfm(conn, status);
2141                 hci_conn_drop(conn);
2142                 return;
2143         }
2144
2145         if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags))
2146                 encrypt = 0x00;
2147         else if (test_bit(HCI_CONN_AES_CCM, &conn->flags))
2148                 encrypt = 0x02;
2149         else
2150                 encrypt = 0x01;
2151
2152         if (!status) {
2153                 if (conn->sec_level == BT_SECURITY_SDP)
2154                         conn->sec_level = BT_SECURITY_LOW;
2155
2156                 if (conn->pending_sec_level > conn->sec_level)
2157                         conn->sec_level = conn->pending_sec_level;
2158         }
2159
2160         mutex_lock(&hci_cb_list_lock);
2161         list_for_each_entry(cb, &hci_cb_list, list) {
2162                 if (cb->security_cfm)
2163                         cb->security_cfm(conn, status, encrypt);
2164         }
2165         mutex_unlock(&hci_cb_list_lock);
2166
2167         if (conn->security_cfm_cb)
2168                 conn->security_cfm_cb(conn, status);
2169 }
2170
2171 static inline void hci_key_change_cfm(struct hci_conn *conn, __u8 status)
2172 {
2173         struct hci_cb *cb;
2174
2175         mutex_lock(&hci_cb_list_lock);
2176         list_for_each_entry(cb, &hci_cb_list, list) {
2177                 if (cb->key_change_cfm)
2178                         cb->key_change_cfm(conn, status);
2179         }
2180         mutex_unlock(&hci_cb_list_lock);
2181 }
2182
2183 static inline void hci_role_switch_cfm(struct hci_conn *conn, __u8 status,
2184                                                                 __u8 role)
2185 {
2186         struct hci_cb *cb;
2187
2188         mutex_lock(&hci_cb_list_lock);
2189         list_for_each_entry(cb, &hci_cb_list, list) {
2190                 if (cb->role_switch_cfm)
2191                         cb->role_switch_cfm(conn, status, role);
2192         }
2193         mutex_unlock(&hci_cb_list_lock);
2194 }
2195
2196 static inline bool hci_bdaddr_is_rpa(bdaddr_t *bdaddr, u8 addr_type)
2197 {
2198         if (addr_type != ADDR_LE_DEV_RANDOM)
2199                 return false;
2200
2201         if ((bdaddr->b[5] & 0xc0) == 0x40)
2202                return true;
2203
2204         return false;
2205 }
2206
2207 static inline bool hci_is_identity_address(bdaddr_t *addr, u8 addr_type)
2208 {
2209         if (addr_type == ADDR_LE_DEV_PUBLIC)
2210                 return true;
2211
2212         /* Check for Random Static address type */
2213         if ((addr->b[5] & 0xc0) == 0xc0)
2214                 return true;
2215
2216         return false;
2217 }
2218
2219 static inline struct smp_irk *hci_get_irk(struct hci_dev *hdev,
2220                                           bdaddr_t *bdaddr, u8 addr_type)
2221 {
2222         if (!hci_bdaddr_is_rpa(bdaddr, addr_type))
2223                 return NULL;
2224
2225         return hci_find_irk_by_rpa(hdev, bdaddr);
2226 }
2227
2228 static inline int hci_check_conn_params(u16 min, u16 max, u16 latency,
2229                                         u16 to_multiplier)
2230 {
2231         u16 max_latency;
2232
2233         if (min > max || min < 6 || max > 3200)
2234                 return -EINVAL;
2235
2236         if (to_multiplier < 10 || to_multiplier > 3200)
2237                 return -EINVAL;
2238
2239         if (max >= to_multiplier * 8)
2240                 return -EINVAL;
2241
2242         max_latency = (to_multiplier * 4 / max) - 1;
2243         if (latency > 499 || latency > max_latency)
2244                 return -EINVAL;
2245
2246         return 0;
2247 }
2248
2249 int hci_register_cb(struct hci_cb *hcb);
2250 int hci_unregister_cb(struct hci_cb *hcb);
2251
2252 int __hci_cmd_send(struct hci_dev *hdev, u16 opcode, u32 plen,
2253                    const void *param);
2254
2255 int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen,
2256                  const void *param);
2257 void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
2258 void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
2259 void hci_send_iso(struct hci_conn *conn, struct sk_buff *skb);
2260
2261 void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode);
2262 void *hci_recv_event_data(struct hci_dev *hdev, __u8 event);
2263
2264 u32 hci_conn_get_phy(struct hci_conn *conn);
2265
2266 /* ----- HCI Sockets ----- */
2267 void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb);
2268 void hci_send_to_channel(unsigned short channel, struct sk_buff *skb,
2269                          int flag, struct sock *skip_sk);
2270 void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb);
2271 void hci_send_monitor_ctrl_event(struct hci_dev *hdev, u16 event,
2272                                  void *data, u16 data_len, ktime_t tstamp,
2273                                  int flag, struct sock *skip_sk);
2274
2275 void hci_sock_dev_event(struct hci_dev *hdev, int event);
2276
2277 #define HCI_MGMT_VAR_LEN        BIT(0)
2278 #define HCI_MGMT_NO_HDEV        BIT(1)
2279 #define HCI_MGMT_UNTRUSTED      BIT(2)
2280 #define HCI_MGMT_UNCONFIGURED   BIT(3)
2281 #define HCI_MGMT_HDEV_OPTIONAL  BIT(4)
2282
2283 struct hci_mgmt_handler {
2284         int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
2285                      u16 data_len);
2286         size_t data_len;
2287         unsigned long flags;
2288 };
2289
2290 struct hci_mgmt_chan {
2291         struct list_head list;
2292         unsigned short channel;
2293         size_t handler_count;
2294         const struct hci_mgmt_handler *handlers;
2295 #ifdef TIZEN_BT
2296         size_t tizen_handler_count;
2297         const struct hci_mgmt_handler *tizen_handlers;
2298 #endif
2299         void (*hdev_init) (struct sock *sk, struct hci_dev *hdev);
2300 };
2301
2302 int hci_mgmt_chan_register(struct hci_mgmt_chan *c);
2303 void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c);
2304
2305 /* Management interface */
2306 #define DISCOV_TYPE_BREDR               (BIT(BDADDR_BREDR))
2307 #define DISCOV_TYPE_LE                  (BIT(BDADDR_LE_PUBLIC) | \
2308                                          BIT(BDADDR_LE_RANDOM))
2309 #define DISCOV_TYPE_INTERLEAVED         (BIT(BDADDR_BREDR) | \
2310                                          BIT(BDADDR_LE_PUBLIC) | \
2311                                          BIT(BDADDR_LE_RANDOM))
2312
2313 /* These LE scan and inquiry parameters were chosen according to LE General
2314  * Discovery Procedure specification.
2315  */
2316 #define DISCOV_LE_SCAN_WIN              0x12
2317 #define DISCOV_LE_SCAN_INT              0x12
2318 #define DISCOV_LE_TIMEOUT               10240   /* msec */
2319 #define DISCOV_INTERLEAVED_TIMEOUT      5120    /* msec */
2320 #define DISCOV_INTERLEAVED_INQUIRY_LEN  0x04
2321 #define DISCOV_BREDR_INQUIRY_LEN        0x08
2322 #define DISCOV_LE_RESTART_DELAY         msecs_to_jiffies(200)   /* msec */
2323 #define DISCOV_LE_FAST_ADV_INT_MIN      0x00A0  /* 100 msec */
2324 #define DISCOV_LE_FAST_ADV_INT_MAX      0x00F0  /* 150 msec */
2325 #define DISCOV_LE_PER_ADV_INT_MIN       0x00A0  /* 200 msec */
2326 #define DISCOV_LE_PER_ADV_INT_MAX       0x00A0  /* 200 msec */
2327 #define DISCOV_LE_ADV_MESH_MIN          0x00A0  /* 100 msec */
2328 #define DISCOV_LE_ADV_MESH_MAX          0x00A0  /* 100 msec */
2329 #define INTERVAL_TO_MS(x)               (((x) * 10) / 0x10)
2330
2331 #define NAME_RESOLVE_DURATION           msecs_to_jiffies(10240) /* 10.24 sec */
2332
2333 void mgmt_fill_version_info(void *ver);
2334 int mgmt_new_settings(struct hci_dev *hdev);
2335 void mgmt_index_added(struct hci_dev *hdev);
2336 void mgmt_index_removed(struct hci_dev *hdev);
2337 void mgmt_set_powered_failed(struct hci_dev *hdev, int err);
2338 void mgmt_power_on(struct hci_dev *hdev, int err);
2339 void __mgmt_power_off(struct hci_dev *hdev);
2340 void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
2341                        bool persistent);
2342 void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
2343                            u8 *name, u8 name_len);
2344 void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
2345                               u8 link_type, u8 addr_type, u8 reason,
2346                               bool mgmt_connected);
2347 void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
2348                             u8 link_type, u8 addr_type, u8 status);
2349 void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2350                          u8 addr_type, u8 status);
2351 void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
2352 void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2353                                   u8 status);
2354 void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2355                                       u8 status);
2356 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
2357                               u8 link_type, u8 addr_type, u32 value,
2358                               u8 confirm_hint);
2359 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2360                                      u8 link_type, u8 addr_type, u8 status);
2361 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2362                                          u8 link_type, u8 addr_type, u8 status);
2363 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
2364                               u8 link_type, u8 addr_type);
2365 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2366                                      u8 link_type, u8 addr_type, u8 status);
2367 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
2368                                          u8 link_type, u8 addr_type, u8 status);
2369 int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
2370                              u8 link_type, u8 addr_type, u32 passkey,
2371                              u8 entered);
2372 void mgmt_auth_failed(struct hci_conn *conn, u8 status);
2373 void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
2374 void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
2375                                     u8 status);
2376 void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
2377 void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status);
2378 void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status);
2379 void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2380                        u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
2381                        u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len,
2382                        u64 instant);
2383 void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2384                       u8 addr_type, s8 rssi, u8 *name, u8 name_len);
2385 void mgmt_discovering(struct hci_dev *hdev, u8 discovering);
2386 void mgmt_suspending(struct hci_dev *hdev, u8 state);
2387 void mgmt_resuming(struct hci_dev *hdev, u8 reason, bdaddr_t *bdaddr,
2388                    u8 addr_type);
2389 bool mgmt_powering_down(struct hci_dev *hdev);
2390 void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent);
2391 void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent);
2392 void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
2393                    bool persistent);
2394 void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
2395                          u8 bdaddr_type, u8 store_hint, u16 min_interval,
2396                          u16 max_interval, u16 latency, u16 timeout);
2397 void mgmt_smp_complete(struct hci_conn *conn, bool complete);
2398 bool mgmt_get_connectable(struct hci_dev *hdev);
2399 u8 mgmt_get_adv_discov_flags(struct hci_dev *hdev);
2400 void mgmt_advertising_added(struct sock *sk, struct hci_dev *hdev,
2401                             u8 instance);
2402 void mgmt_advertising_removed(struct sock *sk, struct hci_dev *hdev,
2403                               u8 instance);
2404 void mgmt_adv_monitor_removed(struct hci_dev *hdev, u16 handle);
2405 int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip);
2406 void mgmt_adv_monitor_device_lost(struct hci_dev *hdev, u16 handle,
2407                                   bdaddr_t *bdaddr, u8 addr_type);
2408
2409 #ifdef TIZEN_BT
2410 void mgmt_rssi_enable_success(struct sock *sk, struct hci_dev *hdev,
2411                 void *data, struct hci_cc_rsp_enable_rssi *rp, int success);
2412 void mgmt_rssi_disable_success(struct sock *sk, struct hci_dev *hdev,
2413                 void *data, struct hci_cc_rsp_enable_rssi *rp, int success);
2414 int mgmt_set_rssi_threshold(struct sock *sk, struct hci_dev *hdev,
2415                 void *data, u16 len);
2416 void mgmt_rssi_alert_evt(struct hci_dev *hdev, u16 conn_handle,
2417                 s8 alert_type, s8 rssi_dbm);
2418 void mgmt_raw_rssi_response(struct hci_dev *hdev,
2419                 struct hci_cc_rp_get_raw_rssi *rp, int success);
2420 void mgmt_enable_rssi_cc(struct hci_dev *hdev, void *response, u8 status);
2421 int mgmt_device_name_update(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *name,
2422                 u8 name_len);
2423 void mgmt_le_discovering(struct hci_dev *hdev, u8 discovering);
2424 int mgmt_le_conn_updated(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type,
2425                 u8 dst_type, u16 conn_interval, u16 conn_latency,
2426                 u16 supervision_timeout);
2427 int mgmt_le_conn_update_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
2428                 u8 link_type, u8 addr_type, u8 status);
2429 void mgmt_hardware_error(struct hci_dev *hdev, u8 err_code);
2430 void mgmt_tx_timeout_error(struct hci_dev *hdev);
2431 /*  Pass adv type in the le device found */
2432 void mgmt_le_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2433                 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags, u8 *eir,
2434                 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len, u8 adv_type);
2435 void mgmt_multi_adv_state_change_evt(struct hci_dev *hdev, u8 adv_instance,
2436                 u8 state_change_reason, u16 connection_handle);
2437 void mgmt_6lowpan_conn_changed(struct hci_dev *hdev, char if_name[16],
2438                 bdaddr_t *bdaddr, u8 addr_type, bool connected);
2439 void mgmt_le_read_maximum_data_length_complete(struct hci_dev *hdev,
2440                 u8 status);
2441 void mgmt_le_write_host_suggested_data_length_complete(struct hci_dev *hdev,
2442                 u8 status);
2443 void mgmt_le_read_host_suggested_data_length_complete(struct hci_dev *hdev,
2444                 u8 status);
2445 void mgmt_le_data_length_change_complete(struct hci_dev *hdev,
2446                 bdaddr_t *bdaddr, u16 tx_octets, u16 tx_time,
2447                 u16 rx_octets, u16 rx_time);
2448 int hci_le_set_data_length(struct hci_conn *conn, u16 tx_octets, u16 tx_time);
2449 #endif
2450
2451 int hci_abort_conn(struct hci_conn *conn, u8 reason);
2452 u8 hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max, u16 latency,
2453                       u16 to_multiplier);
2454 void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __le64 rand,
2455                       __u8 ltk[16], __u8 key_size);
2456
2457 void hci_copy_identity_address(struct hci_dev *hdev, bdaddr_t *bdaddr,
2458                                u8 *bdaddr_type);
2459
2460 #define SCO_AIRMODE_MASK       0x0003
2461 #define SCO_AIRMODE_CVSD       0x0000
2462 #define SCO_AIRMODE_TRANSP     0x0003
2463
2464 #define LOCAL_CODEC_ACL_MASK    BIT(0)
2465 #define LOCAL_CODEC_SCO_MASK    BIT(1)
2466
2467 #define TRANSPORT_TYPE_MAX      0x04
2468
2469 #endif /* __HCI_CORE_H */