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      1 /******************************************************************************
      2  *
      3  *  Copyright (C) 1999-2012 Broadcom Corporation
      4  *
      5  *  Licensed under the Apache License, Version 2.0 (the "License");
      6  *  you may not use this file except in compliance with the License.
      7  *  You may obtain a copy of the License at:
      8  *
      9  *  http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  *
     17  ******************************************************************************/
     18 
     19 /******************************************************************************
     20  *
     21  *  this file contains the main Bluetooth Manager (BTM) internal
     22  *  definitions.
     23  *
     24  ******************************************************************************/
     25 
     26 #ifndef BTM_BLE_INT_H
     27 #define BTM_BLE_INT_H
     28 
     29 #include "bt_target.h"
     30 #include "gki.h"
     31 #include "hcidefs.h"
     32 #include "btm_ble_api.h"
     33 #include "btm_int.h"
     34 
     35 #if BLE_INCLUDED == TRUE && SMP_INCLUDED == TRUE
     36 #include "smp_api.h"
     37 #endif
     38 
     39 
     40 /* scanning enable status */
     41 #define BTM_BLE_SCAN_ENABLE      0x01
     42 #define BTM_BLE_SCAN_DISABLE     0x00
     43 
     44 /* advertising enable status */
     45 #define BTM_BLE_ADV_ENABLE     0x01
     46 #define BTM_BLE_ADV_DISABLE    0x00
     47 
     48 /* use the high 4 bits unused by inquiry mode */
     49 #define BTM_BLE_SELECT_SCAN     0x20
     50 #define BTM_BLE_NAME_REQUEST    0x40
     51 #define BTM_BLE_OBSERVE         0x80
     52 
     53 #define BTM_BLE_MAX_WL_ENTRY        1
     54 #define BTM_BLE_AD_DATA_LEN         31
     55 
     56 #define BTM_BLE_ENC_MASK    0x03
     57 
     58 #define BTM_BLE_DUPLICATE_ENABLE        1
     59 #define BTM_BLE_DUPLICATE_DISABLE       0
     60 
     61 #define BTM_BLE_GAP_DISC_SCAN_INT      18         /* Interval(scan_int) = 11.25 ms= 0x0010 * 0.625 ms */
     62 #define BTM_BLE_GAP_DISC_SCAN_WIN      18         /* scan_window = 11.25 ms= 0x0010 * 0.625 ms */
     63 #define BTM_BLE_GAP_ADV_INT            512        /* Tgap(gen_disc) = 1.28 s= 512 * 0.625 ms */
     64 #define BTM_BLE_GAP_LIM_TOUT           180        /* Tgap(lim_timeout) = 180s max */
     65 #define BTM_BLE_LOW_LATENCY_SCAN_INT   8000       /* Interval(scan_int) = 5s= 8000 * 0.625 ms */
     66 #define BTM_BLE_LOW_LATENCY_SCAN_WIN   8000       /* scan_window = 5s= 8000 * 0.625 ms */
     67 
     68 
     69 #define BTM_BLE_GAP_ADV_FAST_INT_1         48         /* TGAP(adv_fast_interval1) = 30(used) ~ 60 ms  = 48 *0.625 */
     70 #define BTM_BLE_GAP_ADV_FAST_INT_2         160         /* TGAP(adv_fast_interval2) = 100(used) ~ 150 ms = 160 * 0.625 ms */
     71 #define BTM_BLE_GAP_ADV_SLOW_INT           2048         /* Tgap(adv_slow_interval) = 1.28 s= 512 * 0.625 ms */
     72 #define BTM_BLE_GAP_ADV_DIR_MAX_INT        800         /* Tgap(dir_conn_adv_int_max) = 500 ms = 800 * 0.625 ms */
     73 #define BTM_BLE_GAP_ADV_DIR_MIN_INT        400         /* Tgap(dir_conn_adv_int_min) = 250 ms = 400 * 0.625 ms */
     74 
     75 #define BTM_BLE_GAP_FAST_ADV_TOUT          30
     76 
     77 #define BTM_BLE_SEC_REQ_ACT_NONE           0
     78 #define BTM_BLE_SEC_REQ_ACT_ENCRYPT        1 /* encrypt the link using current key or key refresh */
     79 #define BTM_BLE_SEC_REQ_ACT_PAIR           2
     80 #define BTM_BLE_SEC_REQ_ACT_DISCARD        3 /* discard the sec request while encryption is started but not completed */
     81 typedef UINT8   tBTM_BLE_SEC_REQ_ACT;
     82 
     83 #define BLE_STATIC_PRIVATE_MSB_MASK          0x3f
     84 #define BLE_RESOLVE_ADDR_MSB                 0x40   /*  most significant bit, bit7, bit6 is 01 to be resolvable random */
     85 #define BLE_RESOLVE_ADDR_MASK                0xc0   /* bit 6, and bit7 */
     86 #define BTM_BLE_IS_RESOLVE_BDA(x)           ((x[0] & BLE_RESOLVE_ADDR_MASK) == BLE_RESOLVE_ADDR_MSB)
     87 
     88 /* LE scan activity bit mask, continue with LE inquiry bits */
     89 #define BTM_LE_SELECT_CONN_ACTIVE      0x40     /* selection connection is in progress */
     90 #define BTM_LE_OBSERVE_ACTIVE          0x80     /* observe is in progress */
     91 
     92 /* BLE scan activity mask checking */
     93 #define BTM_BLE_IS_SCAN_ACTIVE(x)   ((x) & BTM_BLE_SCAN_ACTIVE_MASK)
     94 #define BTM_BLE_IS_INQ_ACTIVE(x)   ((x) & BTM_BLE_INQUIRY_MASK)
     95 #define BTM_BLE_IS_OBS_ACTIVE(x)   ((x) & BTM_LE_OBSERVE_ACTIVE)
     96 #define BTM_BLE_IS_SEL_CONN_ACTIVE(x)   ((x) & BTM_LE_SELECT_CONN_ACTIVE)
     97 
     98 /* BLE ADDR type ID bit */
     99 #define BLE_ADDR_TYPE_ID_BIT 0x02
    100 
    101 #define BTM_VSC_CHIP_CAPABILITY_L_VERSION 55
    102 #define BTM_VSC_CHIP_CAPABILITY_M_VERSION 95
    103 
    104 typedef struct
    105 {
    106     UINT16              data_mask;
    107     UINT8               *p_flags;
    108     UINT8               ad_data[BTM_BLE_AD_DATA_LEN];
    109     UINT8               *p_pad;
    110 }tBTM_BLE_LOCAL_ADV_DATA;
    111 
    112 typedef struct
    113 {
    114     UINT32          inq_count;          /* Used for determining if a response has already been      */
    115                                         /* received for the current inquiry operation. (We do not   */
    116                                         /* want to flood the caller with multiple responses from    */
    117                                         /* the same device.                                         */
    118     BOOLEAN         scan_rsp;
    119     tBLE_BD_ADDR    le_bda;
    120 } tINQ_LE_BDADDR;
    121 
    122 #define BTM_BLE_ADV_DATA_LEN_MAX        31
    123 #define BTM_BLE_CACHE_ADV_DATA_MAX      62
    124 
    125 #define BTM_BLE_ISVALID_PARAM(x, min, max)  (((x) >= (min) && (x) <= (max)) || ((x) == BTM_BLE_CONN_PARAM_UNDEF))
    126 
    127 #define BTM_BLE_PRIVATE_ADDR_INT    900  /* 15 minutes minimum for random address refreshing */
    128 
    129 typedef struct
    130 {
    131     UINT16 discoverable_mode;
    132     UINT16 connectable_mode;
    133     UINT32 scan_window;
    134     UINT32 scan_interval;
    135     UINT8 scan_type; /* current scan type: active or passive */
    136     UINT8 scan_duplicate_filter; /* duplicate filter enabled for scan */
    137     UINT16 adv_interval_min;
    138     UINT16 adv_interval_max;
    139     tBTM_BLE_AFP afp; /* advertising filter policy */
    140     tBTM_BLE_SFP sfp; /* scanning filter policy */
    141 
    142     tBLE_ADDR_TYPE adv_addr_type;
    143     UINT8 evt_type;
    144     UINT8 adv_mode;
    145     tBLE_BD_ADDR direct_bda;
    146     tBTM_BLE_EVT directed_conn;
    147     BOOLEAN fast_adv_on;
    148     TIMER_LIST_ENT fast_adv_timer;
    149 
    150     UINT8 adv_len;
    151     UINT8 adv_data_cache[BTM_BLE_CACHE_ADV_DATA_MAX];
    152 
    153     /* inquiry BD addr database */
    154     UINT8 num_bd_entries;
    155     UINT8 max_bd_entries;
    156     tBTM_BLE_LOCAL_ADV_DATA adv_data;
    157     tBTM_BLE_ADV_CHNL_MAP adv_chnl_map;
    158 
    159     TIMER_LIST_ENT inq_timer_ent;
    160     BOOLEAN scan_rsp;
    161     UINT8 state; /* Current state that the inquiry process is in */
    162     INT8 tx_power;
    163 } tBTM_BLE_INQ_CB;
    164 
    165 
    166 /* random address resolving complete callback */
    167 typedef void (tBTM_BLE_RESOLVE_CBACK) (void * match_rec, void *p);
    168 
    169 typedef void (tBTM_BLE_ADDR_CBACK) (BD_ADDR_PTR static_random, void *p);
    170 
    171 /* random address management control block */
    172 typedef struct
    173 {
    174     tBLE_ADDR_TYPE              own_addr_type;         /* local device LE address type */
    175     BD_ADDR                     private_addr;
    176     BD_ADDR                     random_bda;
    177     BOOLEAN                     busy;
    178     UINT16                       index;
    179     tBTM_BLE_RESOLVE_CBACK      *p_resolve_cback;
    180     tBTM_BLE_ADDR_CBACK         *p_generate_cback;
    181     void                        *p;
    182     TIMER_LIST_ENT              raddr_timer_ent;
    183 } tBTM_LE_RANDOM_CB;
    184 
    185 #define BTM_BLE_MAX_BG_CONN_DEV_NUM    10
    186 
    187 typedef struct
    188 {
    189     UINT16              min_conn_int;
    190     UINT16              max_conn_int;
    191     UINT16              slave_latency;
    192     UINT16              supervision_tout;
    193 
    194 }tBTM_LE_CONN_PRAMS;
    195 
    196 
    197 typedef struct
    198 {
    199     BD_ADDR     bd_addr;
    200     UINT8       attr;
    201     BOOLEAN     is_connected;
    202     BOOLEAN     in_use;
    203 }tBTM_LE_BG_CONN_DEV;
    204 
    205   /* white list using state as a bit mask */
    206 #define BTM_BLE_WL_IDLE         0
    207 #define BTM_BLE_WL_INIT         1
    208 #define BTM_BLE_WL_SCAN         2
    209 #define BTM_BLE_WL_ADV          4
    210 typedef UINT8 tBTM_BLE_WL_STATE;
    211 
    212 /* resolving list using state as a bit mask */
    213 #define BTM_BLE_RL_IDLE         0
    214 #define BTM_BLE_RL_INIT         1
    215 #define BTM_BLE_RL_SCAN         2
    216 #define BTM_BLE_RL_ADV          4
    217 typedef UINT8 tBTM_BLE_RL_STATE;
    218 
    219 /* BLE connection state */
    220 #define BLE_CONN_IDLE    0
    221 #define BLE_DIR_CONN     1
    222 #define BLE_BG_CONN      2
    223 #define BLE_CONN_CANCEL  3
    224 typedef UINT8 tBTM_BLE_CONN_ST;
    225 
    226 typedef struct
    227 {
    228     void    *p_param;
    229 }tBTM_BLE_CONN_REQ;
    230 
    231 /* LE state request */
    232 #define BTM_BLE_STATE_INVALID               0
    233 #define BTM_BLE_STATE_CONN_ADV              1
    234 #define BTM_BLE_STATE_INIT                  2
    235 #define BTM_BLE_STATE_MASTER                3
    236 #define BTM_BLE_STATE_SLAVE                 4
    237 #define BTM_BLE_STATE_LO_DUTY_DIR_ADV       5
    238 #define BTM_BLE_STATE_HI_DUTY_DIR_ADV       6
    239 #define BTM_BLE_STATE_NON_CONN_ADV          7
    240 #define BTM_BLE_STATE_PASSIVE_SCAN          8
    241 #define BTM_BLE_STATE_ACTIVE_SCAN           9
    242 #define BTM_BLE_STATE_SCAN_ADV              10
    243 #define BTM_BLE_STATE_MAX                   11
    244 typedef UINT8 tBTM_BLE_STATE;
    245 
    246 #define BTM_BLE_STATE_CONN_ADV_BIT          0x0001
    247 #define BTM_BLE_STATE_INIT_BIT              0x0002
    248 #define BTM_BLE_STATE_MASTER_BIT            0x0004
    249 #define BTM_BLE_STATE_SLAVE_BIT             0x0008
    250 #define BTM_BLE_STATE_LO_DUTY_DIR_ADV_BIT   0x0010
    251 #define BTM_BLE_STATE_HI_DUTY_DIR_ADV_BIT   0x0020
    252 #define BTM_BLE_STATE_NON_CONN_ADV_BIT      0x0040
    253 #define BTM_BLE_STATE_PASSIVE_SCAN_BIT      0x0080
    254 #define BTM_BLE_STATE_ACTIVE_SCAN_BIT       0x0100
    255 #define BTM_BLE_STATE_SCAN_ADV_BIT          0x0200
    256 typedef UINT16 tBTM_BLE_STATE_MASK;
    257 
    258 #define BTM_BLE_STATE_ALL_MASK              0x03ff
    259 #define BTM_BLE_STATE_ALL_ADV_MASK          (BTM_BLE_STATE_CONN_ADV_BIT|BTM_BLE_STATE_LO_DUTY_DIR_ADV_BIT|BTM_BLE_STATE_HI_DUTY_DIR_ADV_BIT|BTM_BLE_STATE_SCAN_ADV_BIT)
    260 #define BTM_BLE_STATE_ALL_SCAN_MASK         (BTM_BLE_STATE_PASSIVE_SCAN_BIT|BTM_BLE_STATE_ACTIVE_SCAN_BIT)
    261 #define BTM_BLE_STATE_ALL_CONN_MASK         (BTM_BLE_STATE_MASTER_BIT|BTM_BLE_STATE_SLAVE_BIT)
    262 
    263 #ifndef BTM_LE_RESOLVING_LIST_MAX
    264 #define BTM_LE_RESOLVING_LIST_MAX     0x20
    265 #endif
    266 
    267 typedef struct
    268 {
    269     BD_ADDR         *resolve_q_random_pseudo;
    270     UINT8           *resolve_q_action;
    271     UINT8           q_next;
    272     UINT8           q_pending;
    273 } tBTM_BLE_RESOLVE_Q;
    274 
    275 typedef struct
    276 {
    277     BOOLEAN     in_use;
    278     BOOLEAN     to_add;
    279     BD_ADDR     bd_addr;
    280     UINT8       attr;
    281 }tBTM_BLE_WL_OP;
    282 
    283 /* BLE privacy mode */
    284 #define BTM_PRIVACY_NONE    0              /* BLE no privacy */
    285 #define BTM_PRIVACY_1_1     1              /* BLE privacy 1.1, do not support privacy 1.0 */
    286 #define BTM_PRIVACY_1_2     2              /* BLE privacy 1.2 */
    287 #define BTM_PRIVACY_MIXED   3              /* BLE privacy mixed mode, broadcom propietary mode */
    288 typedef UINT8 tBTM_PRIVACY_MODE;
    289 
    290 /* data length change event callback */
    291 typedef void (tBTM_DATA_LENGTH_CHANGE_CBACK) (UINT16 max_tx_length, UINT16 max_rx_length);
    292 
    293 /* Define BLE Device Management control structure
    294 */
    295 typedef struct
    296 {
    297     UINT8 scan_activity;         /* LE scan activity mask */
    298 
    299     /*****************************************************
    300     **      BLE Inquiry
    301     *****************************************************/
    302     tBTM_BLE_INQ_CB inq_var;
    303 
    304     /* observer callback and timer */
    305     tBTM_INQ_RESULTS_CB *p_obs_results_cb;
    306     tBTM_CMPL_CB *p_obs_cmpl_cb;
    307     TIMER_LIST_ENT obs_timer_ent;
    308 
    309     /* background connection procedure cb value */
    310     tBTM_BLE_CONN_TYPE bg_conn_type;
    311     UINT32 scan_int;
    312     UINT32 scan_win;
    313     tBTM_BLE_SEL_CBACK *p_select_cback;
    314 
    315     /* white list information */
    316     UINT8 white_list_avail_size;
    317     tBTM_BLE_WL_STATE wl_state;
    318 
    319     BUFFER_Q conn_pending_q;
    320     tBTM_BLE_CONN_ST conn_state;
    321 
    322     /* random address management control block */
    323     tBTM_LE_RANDOM_CB addr_mgnt_cb;
    324 
    325     BOOLEAN enabled;
    326 
    327 #if BLE_PRIVACY_SPT == TRUE
    328     BOOLEAN mixed_mode; /* privacy 1.2 mixed mode is on or not */
    329     tBTM_PRIVACY_MODE privacy_mode; /* privacy mode */
    330     UINT8 resolving_list_avail_size; /* resolving list available size */
    331     tBTM_BLE_RESOLVE_Q resolving_list_pend_q; /* Resolving list queue */
    332     tBTM_BLE_RL_STATE suspended_rl_state; /* Suspended resolving list state */
    333     UINT8 *irk_list_mask; /* IRK list availability mask, up to max entry bits */
    334     tBTM_BLE_RL_STATE rl_state; /* Resolving list state */
    335 #endif
    336 
    337     tBTM_BLE_WL_OP wl_op_q[BTM_BLE_MAX_BG_CONN_DEV_NUM];
    338 
    339     /* current BLE link state */
    340     tBTM_BLE_STATE_MASK cur_states; /* bit mask of tBTM_BLE_STATE */
    341     UINT8 link_count[2]; /* total link count master and slave*/
    342 } tBTM_BLE_CB;
    343 
    344 #ifdef __cplusplus
    345 extern "C" {
    346 #endif
    347 
    348 extern void btm_ble_timeout(TIMER_LIST_ENT *p_tle);
    349 extern void btm_ble_process_adv_pkt (UINT8 *p);
    350 extern void btm_ble_proc_scan_rsp_rpt (UINT8 *p);
    351 extern tBTM_STATUS btm_ble_read_remote_name(BD_ADDR remote_bda, tBTM_INQ_INFO *p_cur, tBTM_CMPL_CB *p_cb);
    352 extern BOOLEAN btm_ble_cancel_remote_name(BD_ADDR remote_bda);
    353 
    354 extern tBTM_STATUS btm_ble_set_discoverability(UINT16 combined_mode);
    355 extern tBTM_STATUS btm_ble_set_connectability(UINT16 combined_mode);
    356 extern tBTM_STATUS btm_ble_start_inquiry (UINT8 mode, UINT8   duration);
    357 extern void btm_ble_stop_scan(void);
    358 extern void btm_clear_all_pending_le_entry(void);
    359 
    360 extern void btm_ble_stop_scan();
    361 extern BOOLEAN btm_ble_send_extended_scan_params(UINT8 scan_type, UINT32 scan_int,
    362                                                  UINT32 scan_win, UINT8 addr_type_own,
    363                                                  UINT8 scan_filter_policy);
    364 extern void btm_ble_stop_inquiry(void);
    365 extern void btm_ble_init (void);
    366 extern void btm_ble_connected (UINT8 *bda, UINT16 handle, UINT8 enc_mode, UINT8 role, tBLE_ADDR_TYPE addr_type, BOOLEAN addr_matched);
    367 extern void btm_ble_read_remote_features_complete(UINT8 *p);
    368 extern void btm_ble_write_adv_enable_complete(UINT8 * p);
    369 extern void btm_ble_conn_complete(UINT8 *p, UINT16 evt_len, BOOLEAN enhanced);
    370 extern void btm_read_ble_local_supported_states_complete(UINT8 *p, UINT16 evt_len);
    371 extern tBTM_BLE_CONN_ST btm_ble_get_conn_st(void);
    372 extern void btm_ble_set_conn_st(tBTM_BLE_CONN_ST new_st);
    373 extern UINT8 *btm_ble_build_adv_data(tBTM_BLE_AD_MASK *p_data_mask, UINT8 **p_dst,
    374                                      tBTM_BLE_ADV_DATA *p_data);
    375 extern tBTM_STATUS btm_ble_start_adv(void);
    376 extern tBTM_STATUS btm_ble_stop_adv(void);
    377 extern tBTM_STATUS btm_ble_start_scan(void);
    378 extern void btm_ble_create_ll_conn_complete (UINT8 status);
    379 
    380 /* LE security function from btm_sec.c */
    381 #if SMP_INCLUDED == TRUE
    382 extern void btm_ble_link_sec_check(BD_ADDR bd_addr, tBTM_LE_AUTH_REQ auth_req, tBTM_BLE_SEC_REQ_ACT *p_sec_req_act);
    383 extern void btm_ble_ltk_request_reply(BD_ADDR bda,  BOOLEAN use_stk, BT_OCTET16 stk);
    384 extern UINT8 btm_proc_smp_cback(tSMP_EVT event, BD_ADDR bd_addr, tSMP_EVT_DATA *p_data);
    385 extern tBTM_STATUS btm_ble_set_encryption (BD_ADDR bd_addr, void *p_ref_data, UINT8 link_role);
    386 extern void btm_ble_ltk_request(UINT16 handle, UINT8 rand[8], UINT16 ediv);
    387 extern tBTM_STATUS btm_ble_start_encrypt(BD_ADDR bda, BOOLEAN use_stk, BT_OCTET16 stk);
    388 extern void btm_ble_link_encrypted(BD_ADDR bd_addr, UINT8 encr_enable);
    389 #endif
    390 
    391 /* LE device management functions */
    392 extern void btm_ble_reset_id( void );
    393 
    394 /* security related functions */
    395 extern void btm_ble_increment_sign_ctr(BD_ADDR bd_addr, BOOLEAN is_local );
    396 extern BOOLEAN btm_get_local_div (BD_ADDR bd_addr, UINT16 *p_div);
    397 extern BOOLEAN btm_ble_get_enc_key_type(BD_ADDR bd_addr, UINT8 *p_key_types);
    398 
    399 extern void btm_ble_test_command_complete(UINT8 *p);
    400 extern void btm_ble_rand_enc_complete (UINT8 *p, UINT16 op_code, tBTM_RAND_ENC_CB *p_enc_cplt_cback);
    401 
    402 extern void btm_sec_save_le_key(BD_ADDR bd_addr, tBTM_LE_KEY_TYPE key_type, tBTM_LE_KEY_VALUE *p_keys, BOOLEAN pass_to_application);
    403 extern void btm_ble_update_sec_key_size(BD_ADDR bd_addr, UINT8 enc_key_size);
    404 extern UINT8 btm_ble_read_sec_key_size(BD_ADDR bd_addr);
    405 
    406 /* white list function */
    407 extern BOOLEAN btm_update_dev_to_white_list(BOOLEAN to_add, BD_ADDR bd_addr);
    408 extern void btm_update_scanner_filter_policy(tBTM_BLE_SFP scan_policy);
    409 extern void btm_update_adv_filter_policy(tBTM_BLE_AFP adv_policy);
    410 extern void btm_ble_clear_white_list (void);
    411 extern void btm_read_white_list_size_complete(UINT8 *p, UINT16 evt_len);
    412 extern void btm_ble_add_2_white_list_complete(UINT8 status);
    413 extern void btm_ble_remove_from_white_list_complete(UINT8 *p, UINT16 evt_len);
    414 extern void btm_ble_clear_white_list_complete(UINT8 *p, UINT16 evt_len);
    415 extern void btm_ble_white_list_init(UINT8 white_list_size);
    416 
    417 /* background connection function */
    418 extern BOOLEAN btm_ble_suspend_bg_conn(void);
    419 extern BOOLEAN btm_ble_resume_bg_conn(void);
    420 extern void btm_ble_initiate_select_conn(BD_ADDR bda);
    421 extern BOOLEAN btm_ble_start_auto_conn(BOOLEAN start);
    422 extern BOOLEAN btm_ble_start_select_conn(BOOLEAN start,tBTM_BLE_SEL_CBACK   *p_select_cback);
    423 extern BOOLEAN btm_ble_renew_bg_conn_params(BOOLEAN add, BD_ADDR bd_addr);
    424 extern void btm_write_dir_conn_wl(BD_ADDR target_addr);
    425 extern void btm_ble_update_mode_operation(UINT8 link_role, BD_ADDR bda, UINT8 status);
    426 extern BOOLEAN btm_execute_wl_dev_operation(void);
    427 extern void btm_ble_update_link_topology_mask(UINT8 role, BOOLEAN increase);
    428 
    429 /* direct connection utility */
    430 extern BOOLEAN btm_send_pending_direct_conn(void);
    431 extern void btm_ble_enqueue_direct_conn_req(void *p_param);
    432 
    433 /* BLE address management */
    434 extern void btm_gen_resolvable_private_addr (void *p_cmd_cplt_cback);
    435 extern void btm_gen_non_resolvable_private_addr (tBTM_BLE_ADDR_CBACK *p_cback, void *p);
    436 extern void btm_ble_resolve_random_addr(BD_ADDR random_bda, tBTM_BLE_RESOLVE_CBACK * p_cback, void *p);
    437 extern void btm_gen_resolve_paddr_low(tBTM_RAND_ENC *p);
    438 
    439 /*  privacy function */
    440 #if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
    441 /* BLE address mapping with CS feature */
    442 extern BOOLEAN btm_identity_addr_to_random_pseudo(BD_ADDR bd_addr, UINT8 *p_addr_type, BOOLEAN refresh);
    443 extern BOOLEAN btm_random_pseudo_to_identity_addr(BD_ADDR random_pseudo, UINT8 *p_static_addr_type);
    444 extern void btm_ble_refresh_peer_resolvable_private_addr(BD_ADDR pseudo_bda, BD_ADDR rra, UINT8 rra_type);
    445 extern void btm_ble_refresh_local_resolvable_private_addr(BD_ADDR pseudo_addr, BD_ADDR local_rpa);
    446 extern void btm_ble_read_resolving_list_entry_complete(UINT8 *p, UINT16 evt_len) ;
    447 extern void btm_ble_remove_resolving_list_entry_complete(UINT8 *p, UINT16 evt_len);
    448 extern void btm_ble_add_resolving_list_entry_complete(UINT8 *p, UINT16 evt_len);
    449 extern void btm_ble_clear_resolving_list_complete(UINT8 *p, UINT16 evt_len);
    450 extern void btm_read_ble_resolving_list_size_complete (UINT8 *p, UINT16 evt_len);
    451 extern void btm_ble_enable_resolving_list(UINT8);
    452 extern BOOLEAN btm_ble_disable_resolving_list(UINT8 rl_mask, BOOLEAN to_resume);
    453 extern void btm_ble_enable_resolving_list_for_platform (UINT8 rl_mask);
    454 extern void btm_ble_resolving_list_init(UINT8 max_irk_list_sz);
    455 extern void btm_ble_resolving_list_cleanup(void);
    456 #endif
    457 
    458 extern void btm_ble_multi_adv_configure_rpa (tBTM_BLE_MULTI_ADV_INST *p_inst);
    459 extern void btm_ble_multi_adv_init(void);
    460 extern void* btm_ble_multi_adv_get_ref(UINT8 inst_id);
    461 extern void btm_ble_multi_adv_cleanup(void);
    462 extern void btm_ble_multi_adv_reenable(UINT8 inst_id);
    463 extern void btm_ble_multi_adv_enb_privacy(BOOLEAN enable);
    464 extern char btm_ble_map_adv_tx_power(int tx_power_index);
    465 extern void btm_ble_batchscan_init(void);
    466 extern void btm_ble_batchscan_cleanup(void);
    467 extern void btm_ble_adv_filter_init(void);
    468 extern void btm_ble_adv_filter_cleanup(void);
    469 extern BOOLEAN btm_ble_topology_check(tBTM_BLE_STATE_MASK request);
    470 extern BOOLEAN btm_ble_clear_topology_mask(tBTM_BLE_STATE_MASK request_state);
    471 extern BOOLEAN btm_ble_set_topology_mask(tBTM_BLE_STATE_MASK request_state);
    472 
    473 #if BTM_BLE_CONFORMANCE_TESTING == TRUE
    474 extern void btm_ble_set_no_disc_if_pair_fail (BOOLEAN disble_disc);
    475 extern void btm_ble_set_test_mac_value (BOOLEAN enable, UINT8 *p_test_mac_val);
    476 extern void btm_ble_set_test_local_sign_cntr_value(BOOLEAN enable, UINT32 test_local_sign_cntr);
    477 extern void btm_set_random_address(BD_ADDR random_bda);
    478 extern void btm_ble_set_keep_rfu_in_auth_req(BOOLEAN keep_rfu);
    479 #endif
    480 
    481 
    482 #ifdef __cplusplus
    483 }
    484 #endif
    485 
    486 #endif
    487