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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 #ifndef BTM_INT_H
     26 #define BTM_INT_H
     27 
     28 #include "bt_target.h"
     29 #include "gki.h"
     30 #include "hcidefs.h"
     31 
     32 #if RFCOMM_INCLUDED == TRUE
     33 #include "rfcdefs.h"
     34 #endif
     35 
     36 #include "btm_api.h"
     37 
     38 #if (BLE_INCLUDED == TRUE)
     39 #include "btm_ble_int.h"
     40 #if (SMP_INCLUDED == TRUE)
     41 #include "smp_api.h"
     42 #endif
     43 #endif
     44 
     45 #if BTM_MAX_LOC_BD_NAME_LEN > 0
     46 typedef char tBTM_LOC_BD_NAME[BTM_MAX_LOC_BD_NAME_LEN + 1];
     47 #endif
     48 
     49 #define  BTM_ACL_IS_CONNECTED(bda)   (btm_bda_to_acl (bda, BT_TRANSPORT_BR_EDR) != NULL)
     50 
     51 /* Definitions for Server Channel Number (SCN) management
     52 */
     53 #define BTM_MAX_SCN      PORT_MAX_RFC_PORTS
     54 
     55 /* Define masks for supported and exception 2.0 ACL packet types
     56 */
     57 #define BTM_ACL_SUPPORTED_PKTS_MASK      (HCI_PKT_TYPES_MASK_DM1        | \
     58                                           HCI_PKT_TYPES_MASK_DH1        | \
     59                                           HCI_PKT_TYPES_MASK_DM3        | \
     60                                           HCI_PKT_TYPES_MASK_DH3        | \
     61                                           HCI_PKT_TYPES_MASK_DM5        | \
     62                                           HCI_PKT_TYPES_MASK_DH5)
     63 
     64 #define BTM_ACL_EXCEPTION_PKTS_MASK      (HCI_PKT_TYPES_MASK_NO_2_DH1   | \
     65                                           HCI_PKT_TYPES_MASK_NO_3_DH1   | \
     66                                           HCI_PKT_TYPES_MASK_NO_2_DH3   | \
     67                                           HCI_PKT_TYPES_MASK_NO_3_DH3   | \
     68                                           HCI_PKT_TYPES_MASK_NO_2_DH5   | \
     69                                           HCI_PKT_TYPES_MASK_NO_3_DH5)
     70 
     71 #define BTM_EPR_AVAILABLE(p) ((HCI_ATOMIC_ENCRYPT_SUPPORTED((p)->peer_lmp_features[HCI_EXT_FEATURES_PAGE_0]) && \
     72                                HCI_ATOMIC_ENCRYPT_SUPPORTED(btm_cb.devcb.local_lmp_features[HCI_EXT_FEATURES_PAGE_0])) \
     73                                ? TRUE : FALSE)
     74 
     75 #define BTM_IS_BRCM_CONTROLLER() (btm_cb.devcb.local_version.manufacturer == LMP_COMPID_BROADCOM)
     76 
     77 /* Define the ACL Management control structure
     78 */
     79 typedef struct
     80 {
     81     UINT16          hci_handle;
     82     UINT16          pkt_types_mask;
     83     UINT16          restore_pkt_types;  /* when coming in/out of SCO connection restore the packet types */
     84     UINT16          clock_offset;
     85     BD_ADDR         remote_addr;
     86     DEV_CLASS       remote_dc;
     87     BD_NAME         remote_name;
     88 
     89     UINT16          manufacturer;
     90     UINT16          lmp_subversion;
     91     UINT16          link_super_tout;
     92     BD_FEATURES     peer_lmp_features[HCI_EXT_FEATURES_PAGE_MAX + 1];    /* Peer LMP Extended features mask table for the device */
     93     UINT8           num_read_pages;
     94     UINT8           lmp_version;
     95 
     96     BOOLEAN         in_use;
     97     UINT8           link_role;
     98     BOOLEAN         link_up_issued;     /* True if busy_level link up has been issued */
     99 
    100 #define BTM_ACL_SWKEY_STATE_IDLE                0
    101 #define BTM_ACL_SWKEY_STATE_MODE_CHANGE         1
    102 #define BTM_ACL_SWKEY_STATE_ENCRYPTION_OFF      2
    103 #define BTM_ACL_SWKEY_STATE_SWITCHING           3
    104 #define BTM_ACL_SWKEY_STATE_ENCRYPTION_ON       4
    105 #define BTM_ACL_SWKEY_STATE_IN_PROGRESS         5
    106     UINT8           switch_role_state;
    107     UINT8           change_key_state;
    108 
    109 #define BTM_ACL_ENCRYPT_STATE_IDLE              0
    110 #define BTM_ACL_ENCRYPT_STATE_ENCRYPT_OFF       1   /* encryption turning off */
    111 #define BTM_ACL_ENCRYPT_STATE_TEMP_FUNC         2   /* temporarily off for change link key or role switch */
    112 #define BTM_ACL_ENCRYPT_STATE_ENCRYPT_ON        3   /* encryption turning on */
    113     UINT8           encrypt_state;                  /* overall BTM encryption state */
    114 
    115 #if BTM_PWR_MGR_INCLUDED == FALSE
    116     UINT8           mode;
    117 #endif /* BTM_PWR_MGR_INCLUDED */
    118 
    119 #if BLE_INCLUDED == TRUE
    120     tBT_TRANSPORT   transport;
    121     BD_ADDR         conn_addr;              /* local device address used for this connection */
    122     UINT8           conn_addr_type;         /* local device address type for this connection */
    123     BD_ADDR         active_remote_addr;     /* remote address used on this connection */
    124     UINT8           active_remote_addr_type;         /* local device address type for this connection */
    125     BD_FEATURES     peer_le_features;       /* Peer LE Used features mask for the device */
    126 
    127 #endif
    128 
    129 } tACL_CONN;
    130 
    131 /*****************************************************
    132 ** TIMER Definitions
    133 ******************************************************/
    134 #define TT_DEV_RESET     1
    135 #define TT_DEV_RLN       2
    136 #define TT_DEV_RLNKP     4              /* Read Link Policy Settings */
    137 
    138 /* Define the Device Management control structure
    139 */
    140 typedef struct
    141 {
    142     tBTM_DEV_STATUS_CB  *p_dev_status_cb;   /* Device status change callback        */
    143     tBTM_VS_EVT_CB      *p_vend_spec_cb[BTM_MAX_VSE_CALLBACKS];     /* Register for vendor specific events  */
    144 
    145     tBTM_CMPL_CB        *p_stored_link_key_cmpl_cb;   /* Read/Write/Delete stored link key    */
    146 
    147     TIMER_LIST_ENT       reset_timer;
    148     tBTM_CMPL_CB        *p_reset_cmpl_cb;   /* Callback function to be called       */
    149                                             /* when startup of the device is done   */
    150     TIMER_LIST_ENT       rln_timer;
    151     tBTM_CMPL_CB        *p_rln_cmpl_cb;     /* Callback function to be called when  */
    152                                             /* read local name function complete    */
    153     TIMER_LIST_ENT       rlinkp_timer;
    154     tBTM_CMPL_CB        *p_rlinkp_cmpl_cb;  /* Callback function to be called when  */
    155                                             /* read link policy function completes  */
    156     TIMER_LIST_ENT       rssi_timer;
    157     tBTM_CMPL_CB        *p_rssi_cmpl_cb;    /* Callback function to be called when  */
    158                                             /* read rssi function completes         */
    159     TIMER_LIST_ENT       lnk_quality_timer;
    160     tBTM_CMPL_CB        *p_lnk_qual_cmpl_cb;/* Callback function to be called when  */
    161                                             /* read link quality function completes */
    162     TIMER_LIST_ENT       txpwer_timer;
    163     tBTM_CMPL_CB        *p_txpwer_cmpl_cb;    /* Callback function to be called when  */
    164                                             /* read inq tx power function completes  */
    165 
    166     TIMER_LIST_ENT       qossu_timer;
    167     tBTM_CMPL_CB        *p_qossu_cmpl_cb;   /* Callback function to be called when  */
    168                                             /* qos setup function completes         */
    169 
    170     tBTM_ROLE_SWITCH_CMPL switch_role_ref_data;
    171     tBTM_CMPL_CB        *p_switch_role_cb;  /* Callback function to be called when  */
    172                                             /* requested switch role is completed   */
    173 
    174     tBTM_CHANGE_KEY_CMPL chg_link_key_ref_data;
    175     tBTM_CMPL_CB        *p_chg_link_key_cb; /* Callback function to be called when  */
    176                                             /* change of link key is completed      */
    177 
    178     TIMER_LIST_ENT       tx_power_timer;
    179     tBTM_CMPL_CB        *p_tx_power_cmpl_cb;/* Callback function to be called       */
    180 
    181     BD_ADDR              local_addr;        /* BD_ADDR of the local device          */
    182     tBTM_VERSION_INFO    local_version;     /* Local Version Information            */
    183     DEV_CLASS            dev_class;         /* Local device class                   */
    184 
    185     /* Local LMP Extended features mask table for the device */
    186     BD_FEATURES          local_lmp_features[HCI_EXT_FEATURES_PAGE_MAX + 1];
    187 
    188 #if BLE_INCLUDED == TRUE
    189 
    190     tBTM_CMPL_CB        *p_le_test_cmd_cmpl_cb;   /* Callback function to be called when
    191                                                   LE test mode command has been sent successfully */
    192 
    193     BD_ADDR                 read_tx_pwr_addr;   /* read TX power target address     */
    194     BD_FEATURES             local_le_features;  /* Local LE Supported features mask for the device */
    195 
    196     tBTM_BLE_LOCAL_ID_KEYS  id_keys;        /* local BLE ID keys                    */
    197     BT_OCTET16              er;             /* BLE encryption key                   */
    198 
    199 #define BTM_LE_SUPPORT_STATE_SIZE   8
    200 UINT8                   le_supported_states[BTM_LE_SUPPORT_STATE_SIZE];
    201 
    202 
    203 
    204 #if BTM_BLE_CONFORMANCE_TESTING == TRUE
    205     BOOLEAN                 no_disc_if_pair_fail;
    206     BOOLEAN                 enable_test_mac_val;
    207     BT_OCTET8               test_mac;
    208     BOOLEAN                 enable_test_local_sign_cntr;
    209     UINT32                  test_local_sign_cntr;
    210 #endif
    211 
    212 
    213 #endif  /* BLE_INCLUDED */
    214 
    215 #define BTM_DEV_STATE_WAIT_RESET_CMPLT  0
    216 #define BTM_DEV_STATE_WAIT_AFTER_RESET  1
    217 #define BTM_DEV_STATE_READY             2
    218 
    219     UINT8                state;
    220     tBTM_IO_CAP          loc_io_caps;       /* IO capability of the local device */
    221     tBTM_AUTH_REQ        loc_auth_req;      /* the auth_req flag  */
    222     BD_FEATURES          brcm_features;     /* Broadcom specific features bit mask  */
    223 #define BTM_RELOAD_LE_HOST_FEATURE      0x10
    224 
    225 #define BTM_RE_READ_1ST_PAGE            0x01            /* Set it if you set at least one of "..._HOST_MAY_SUPP_..." bits */
    226 #define BTM_HOST_MAY_SUPP_SSP           0x02
    227 #define BTM_HOST_MAY_SUPP_LE            0x04
    228 #define BTM_HOST_MAY_SUPP_SIMULT_BR_LE  0x08
    229     UINT8               lmp_features_host_may_support;  /* The flags of LMP features host may support via BR/EDR ctrlr + BTM_RE_READ_1ST_PAGE */
    230     UINT8               supported_cmds[HCI_NUM_SUPP_COMMANDS_BYTES]; /* Supported Commands bit field */
    231 
    232 } tBTM_DEVCB;
    233 
    234 
    235 /* Define the structures and constants used for inquiry
    236 */
    237 
    238 /* Definitions of limits for inquiries */
    239 #define BTM_PER_INQ_MIN_MAX_PERIOD      HCI_PER_INQ_MIN_MAX_PERIOD
    240 #define BTM_PER_INQ_MAX_MAX_PERIOD      HCI_PER_INQ_MAX_MAX_PERIOD
    241 #define BTM_PER_INQ_MIN_MIN_PERIOD      HCI_PER_INQ_MIN_MIN_PERIOD
    242 #define BTM_PER_INQ_MAX_MIN_PERIOD      HCI_PER_INQ_MAX_MIN_PERIOD
    243 #define BTM_MAX_INQUIRY_LENGTH          HCI_MAX_INQUIRY_LENGTH
    244 #define BTM_MIN_INQUIRY_LEN             0x01
    245 
    246 #define BTM_MIN_INQ_TX_POWER    -70
    247 #define BTM_MAX_INQ_TX_POWER    20
    248 
    249 #if BTM_USE_INQ_RESULTS_FILTER == TRUE
    250 typedef struct
    251 {
    252     UINT32          inq_count;          /* Used for determining if a response has already been      */
    253                                         /* received for the current inquiry operation. (We do not   */
    254                                         /* want to flood the caller with multiple responses from    */
    255                                         /* the same device.                                         */
    256     BD_ADDR         bd_addr;
    257 } tINQ_BDADDR;
    258 #endif
    259 
    260 typedef struct
    261 {
    262     UINT32          time_of_resp;
    263     UINT32          inq_count;          /* "timestamps" the entry with a particular inquiry count   */
    264                                         /* Used for determining if a response has already been      */
    265                                         /* received for the current inquiry operation. (We do not   */
    266                                         /* want to flood the caller with multiple responses from    */
    267                                         /* the same device.                                         */
    268     tBTM_INQ_INFO   inq_info;
    269     BOOLEAN         in_use;
    270 
    271 #if (BLE_INCLUDED == TRUE)
    272     BOOLEAN         scan_rsp;
    273 #endif
    274 } tINQ_DB_ENT;
    275 
    276 
    277 enum
    278 {
    279     INQ_NONE,
    280     INQ_LE_OBSERVE,
    281     INQ_GENERAL
    282 };
    283 typedef UINT8 tBTM_INQ_TYPE;
    284 
    285 typedef struct
    286 {
    287     tBTM_CMPL_CB *p_remname_cmpl_cb;
    288 
    289 #define BTM_EXT_RMT_NAME_TIMEOUT    40
    290 
    291 
    292     TIMER_LIST_ENT  rmt_name_timer_ent;
    293 
    294     UINT16           discoverable_mode;
    295     UINT16           connectable_mode;
    296     UINT16           page_scan_window;
    297     UINT16           page_scan_period;
    298     UINT16           inq_scan_window;
    299     UINT16           inq_scan_period;
    300     UINT16           inq_scan_type;
    301     UINT16           page_scan_type;        /* current page scan type */
    302     tBTM_INQ_TYPE    scan_type;
    303 
    304     BD_ADDR          remname_bda;           /* Name of bd addr for active remote name request */
    305 #define BTM_RMT_NAME_INACTIVE       0
    306 #define BTM_RMT_NAME_EXT            0x1     /* Initiated through API */
    307 #define BTM_RMT_NAME_SEC            0x2     /* Initiated internally by security manager */
    308 #define BTM_RMT_NAME_INQ            0x4     /* Remote name initiated internally by inquiry */
    309     BOOLEAN          remname_active;        /* State of a remote name request by external API */
    310 
    311     tBTM_CMPL_CB    *p_inq_cmpl_cb;
    312     tBTM_INQ_RESULTS_CB *p_inq_results_cb;
    313     tBTM_CMPL_CB    *p_inq_ble_cmpl_cb;     /*completion callback exclusively for LE Observe*/
    314     tBTM_INQ_RESULTS_CB *p_inq_ble_results_cb;/*results callback exclusively for LE observe*/
    315     tBTM_CMPL_CB    *p_inqfilter_cmpl_cb;   /* Called (if not NULL) after inquiry filter completed */
    316     tBTM_INQ_DB_CHANGE_CB *p_inq_change_cb; /* Inquiry database changed callback    */
    317     UINT32           inq_counter;           /* Counter incremented each time an inquiry completes */
    318                                             /* Used for determining whether or not duplicate devices */
    319                                             /* have responded to the same inquiry */
    320     TIMER_LIST_ENT   inq_timer_ent;
    321 #if BTM_USE_INQ_RESULTS_FILTER == TRUE
    322     tINQ_BDADDR     *p_bd_db;               /* Pointer to memory that holds bdaddrs */
    323     UINT16           num_bd_entries;        /* Number of entries in database */
    324     UINT16           max_bd_entries;        /* Maximum number of entries that can be stored */
    325 #endif
    326     tINQ_DB_ENT      inq_db[BTM_INQ_DB_SIZE];
    327     tBTM_INQ_PARMS   inqparms;              /* Contains the parameters for the current inquiry */
    328     tBTM_INQUIRY_CMPL inq_cmpl_info;        /* Status and number of responses from the last inquiry */
    329 
    330     UINT16           per_min_delay;         /* Current periodic minimum delay */
    331     UINT16           per_max_delay;         /* Current periodic maximum delay */
    332     BOOLEAN          inqfilt_active;
    333     UINT8            pending_filt_complete_event; /* to take care of btm_event_filter_complete corresponding to */
    334                                                   /* inquiry that has been cancelled*/
    335     UINT8            inqfilt_type;          /* Contains the inquiry filter type (BD ADDR, COD, or Clear) */
    336 
    337 #define BTM_INQ_INACTIVE_STATE      0
    338 #define BTM_INQ_CLR_FILT_STATE      1   /* Currently clearing the inquiry filter preceeding the inquiry request */
    339                                         /* (bypassed if filtering is not used)                                  */
    340 #define BTM_INQ_SET_FILT_STATE      2   /* Sets the new filter (or turns off filtering) in this state */
    341 #define BTM_INQ_ACTIVE_STATE        3   /* Actual inquiry or periodic inquiry is in progress */
    342 #define BTM_INQ_REMNAME_STATE       4   /* Remote name requests are active  */
    343 
    344     UINT8            state;             /* Current state that the inquiry process is in */
    345     UINT8            inq_active;        /* Bit Mask indicating type of inquiry is active */
    346     BOOLEAN          no_inc_ssp;        /* TRUE, to stop inquiry on incoming SSP */
    347 #if (defined(BTA_HOST_INTERLEAVE_SEARCH) && BTA_HOST_INTERLEAVE_SEARCH == TRUE)
    348     btm_inq_state    next_state;        /*interleaving state to determine next mode to be inquired*/
    349 #endif
    350 } tBTM_INQUIRY_VAR_ST;
    351 
    352 /* The MSB of the clock offset field indicates that the offset is valid if TRUE */
    353 #define BTM_CLOCK_OFFSET_VALID      0x8000
    354 
    355 /* Define the structures needed by security management
    356 */
    357 
    358 #define BTM_SEC_INVALID_HANDLE  0xFFFF
    359 
    360 typedef UINT8 *BTM_BD_NAME_PTR;                        /* Pointer to Device name */
    361 
    362 /* Security callback is called by this unit when security
    363 **   procedures are completed.  Parameters are
    364 **              BD Address of remote
    365 **              Result of the operation
    366 */
    367 typedef tBTM_SEC_CBACK tBTM_SEC_CALLBACK;
    368 
    369 typedef void (tBTM_SCO_IND_CBACK) (UINT16 sco_inx) ;
    370 
    371 /* MACROs to convert from SCO packet types mask to ESCO and back */
    372 #define BTM_SCO_PKT_TYPE_MASK   (   HCI_PKT_TYPES_MASK_HV1      \
    373                                  |  HCI_PKT_TYPES_MASK_HV2      \
    374                                  |  HCI_PKT_TYPES_MASK_HV3)
    375 
    376 /* Mask defining only the SCO types of an esco packet type */
    377 #define BTM_ESCO_PKT_TYPE_MASK  (   HCI_ESCO_PKT_TYPES_MASK_HV1 \
    378                                  |  HCI_ESCO_PKT_TYPES_MASK_HV2 \
    379                                  |  HCI_ESCO_PKT_TYPES_MASK_HV3)
    380 
    381 #define BTM_SCO_2_ESCO(scotype)  ((UINT16)(((scotype) & BTM_SCO_PKT_TYPE_MASK) >> 5))
    382 #define BTM_ESCO_2_SCO(escotype) ((UINT16)(((escotype) & BTM_ESCO_PKT_TYPE_MASK) << 5))
    383 
    384 /* Define masks for supported and exception 2.0 SCO packet types
    385 */
    386 #define BTM_SCO_SUPPORTED_PKTS_MASK      (HCI_ESCO_PKT_TYPES_MASK_HV1       | \
    387                                           HCI_ESCO_PKT_TYPES_MASK_HV2       | \
    388                                           HCI_ESCO_PKT_TYPES_MASK_HV3       | \
    389                                           HCI_ESCO_PKT_TYPES_MASK_EV3       | \
    390                                           HCI_ESCO_PKT_TYPES_MASK_EV4       | \
    391                                           HCI_ESCO_PKT_TYPES_MASK_EV5)
    392 
    393 #define BTM_SCO_EXCEPTION_PKTS_MASK      (HCI_ESCO_PKT_TYPES_MASK_NO_2_EV3  | \
    394                                           HCI_ESCO_PKT_TYPES_MASK_NO_3_EV3  | \
    395                                           HCI_ESCO_PKT_TYPES_MASK_NO_2_EV5  | \
    396                                           HCI_ESCO_PKT_TYPES_MASK_NO_3_EV5)
    397 
    398 
    399 #define BTM_SCO_ROUTE_UNKNOWN       0xff
    400 
    401 /* Define the structure that contains (e)SCO data */
    402 typedef struct
    403 {
    404     tBTM_ESCO_CBACK    *p_esco_cback;   /* Callback for eSCO events     */
    405     tBTM_ESCO_PARAMS    setup;
    406     tBTM_ESCO_DATA      data;           /* Connection complete information */
    407     UINT8               hci_status;
    408 } tBTM_ESCO_INFO;
    409 
    410 /* Define the structure used for SCO Management
    411 */
    412 typedef struct
    413 {
    414     tBTM_ESCO_INFO   esco;              /* Current settings             */
    415 #if BTM_SCO_HCI_INCLUDED == TRUE
    416     BUFFER_Q         xmit_data_q;       /* SCO data transmitting queue  */
    417 #endif
    418     tBTM_SCO_CB     *p_conn_cb;         /* Callback for when connected  */
    419     tBTM_SCO_CB     *p_disc_cb;         /* Callback for when disconnect */
    420     UINT16           state;             /* The state of the SCO link    */
    421     UINT16           hci_handle;        /* HCI Handle                   */
    422     BOOLEAN          is_orig;           /* TRUE if the originator       */
    423     BOOLEAN          rem_bd_known;      /* TRUE if remote BD addr known */
    424 
    425 } tSCO_CONN;
    426 
    427 /* SCO Management control block */
    428 typedef struct
    429 {
    430     tBTM_SCO_IND_CBACK  *app_sco_ind_cb;
    431 #if BTM_SCO_HCI_INCLUDED == TRUE
    432     tBTM_SCO_DATA_CB     *p_data_cb;        /* Callback for SCO data over HCI */
    433     UINT32               xmit_window_size; /* Total SCO window in bytes  */
    434 #endif
    435     tSCO_CONN            sco_db[BTM_MAX_SCO_LINKS];
    436     tBTM_ESCO_PARAMS     def_esco_parms;
    437     BD_ADDR              xfer_addr;
    438     UINT16               sco_disc_reason;
    439     BOOLEAN              esco_supported;    /* TRUE if 1.2 cntlr AND supports eSCO links */
    440     tBTM_SCO_TYPE        desired_sco_mode;
    441     tBTM_SCO_TYPE        xfer_sco_type;
    442     tBTM_SCO_PCM_PARAM   sco_pcm_param;
    443     tBTM_SCO_CODEC_TYPE  codec_in_use;      /* None, CVSD, MSBC, etc. */
    444 #if BTM_SCO_HCI_INCLUDED == TRUE
    445 	tBTM_SCO_ROUTE_TYPE	 sco_path;
    446 #endif
    447 
    448 } tSCO_CB;
    449 
    450 
    451 #if BTM_SCO_INCLUDED == TRUE
    452 extern void     btm_set_sco_ind_cback( tBTM_SCO_IND_CBACK *sco_ind_cb );
    453 extern void     btm_accept_sco_link(UINT16 sco_inx, tBTM_ESCO_PARAMS *p_setup,
    454                                     tBTM_SCO_CB *p_conn_cb, tBTM_SCO_CB *p_disc_cb);
    455 extern void     btm_reject_sco_link(UINT16 sco_inx );
    456 extern void btm_sco_chk_pend_rolechange (UINT16 hci_handle);
    457 #else
    458 #define btm_accept_sco_link(sco_inx, p_setup, p_conn_cb, p_disc_cb)
    459 #define btm_reject_sco_link(sco_inx)
    460 #define btm_set_sco_ind_cback(sco_ind_cb)
    461 #define btm_sco_chk_pend_rolechange(hci_handle)
    462 #endif  /* BTM_SCO_INCLUDED */
    463 
    464 /*
    465 ** Define structure for Security Service Record.
    466 ** A record exists for each service registered with the Security Manager
    467 */
    468 typedef struct
    469 {
    470     UINT32          mx_proto_id;        /* Service runs over this multiplexer protocol */
    471     UINT32          orig_mx_chan_id;    /* Channel on the multiplexer protocol    */
    472     UINT32          term_mx_chan_id;    /* Channel on the multiplexer protocol    */
    473     UINT16          psm;                /* L2CAP PSM value */
    474     UINT16          security_flags;     /* Bitmap of required security features */
    475     UINT8           service_id;         /* Passed in authorization callback */
    476 #if (L2CAP_UCD_INCLUDED == TRUE)
    477     UINT16          ucd_security_flags; /* Bitmap of required security features for UCD */
    478 #endif
    479 #if BTM_SEC_SERVICE_NAME_LEN > 0
    480     UINT8           orig_service_name[BTM_SEC_SERVICE_NAME_LEN + 1];
    481     UINT8           term_service_name[BTM_SEC_SERVICE_NAME_LEN + 1];
    482 #endif
    483 } tBTM_SEC_SERV_REC;
    484 
    485 #if BLE_INCLUDED == TRUE
    486 /* LE Security information of device in Slave Role */
    487 typedef struct
    488 {
    489     BT_OCTET16          irk;            /* peer diverified identity root */
    490     BT_OCTET16          ltk;            /* peer long term key */
    491     BT_OCTET16          csrk;           /* peer SRK peer device used to secured sign local data  */
    492 
    493     BT_OCTET8           rand;           /* random vector for LTK generation */
    494     UINT16              ediv;           /* LTK diversifier of this slave device */
    495     UINT16              div;            /* local DIV  to generate local LTK=d1(ER,DIV,0) and CSRK=d1(ER,DIV,1)  */
    496     UINT8               sec_level;      /* local pairing security level */
    497     UINT8               key_size;       /* key size of the LTK delivered to peer device */
    498     UINT8               srk_sec_level;  /* security property of peer SRK for this device */
    499     UINT8               local_csrk_sec_level;  /* security property of local CSRK for this device */
    500 
    501     UINT32              counter;        /* peer sign counter for verifying rcv signed cmd */
    502     UINT32              local_counter;  /* local sign counter for sending signed write cmd*/
    503 }tBTM_SEC_BLE_KEYS;
    504 
    505 typedef struct
    506 {
    507     tBLE_ADDR_TYPE      ble_addr_type;  /* LE device type: public or random address */
    508     tBLE_ADDR_TYPE      static_addr_type;   /* static address type */
    509     BD_ADDR             static_addr;    /* static address */
    510 #if BLE_PRIVACY_SPT == TRUE
    511     BD_ADDR             cur_rand_addr;  /* current random address */
    512 
    513 #define BTM_BLE_ADDR_PSEUDO         0   /* address index device record */
    514 #define BTM_BLE_ADDR_RRA            1   /* cur_rand_addr */
    515 #define BTM_BLE_ADDR_RECONN         2   /* reconnection address */
    516 #define BTM_BLE_ADDR_STATIC         3   /* static_addr  */
    517     UINT8               active_addr_type;
    518 
    519     BOOLEAN             privacy_enabled;   /* remote device privacy enabled or not */
    520 #endif
    521 
    522 #if SMP_INCLUDED == TRUE
    523     tBTM_LE_KEY_TYPE    key_type;       /* bit mask of valid key types in record */
    524     tBTM_SEC_BLE_KEYS   keys;           /* LE device security info in slave rode */
    525 #endif
    526 } tBTM_SEC_BLE;
    527 
    528 
    529 #endif  /* BLE_INCLUDED */
    530 
    531 /*
    532 ** Define structure for Security Device Record.
    533 ** A record exists for each device authenticated with this device
    534 */
    535 typedef struct
    536 {
    537     tBTM_SEC_SERV_REC   *p_cur_service;
    538     tBTM_SEC_CALLBACK   *p_callback;
    539     void                *p_ref_data;
    540     UINT32               timestamp;         /* Timestamp of the last connection   */
    541     UINT32               trusted_mask[BTM_SEC_SERVICE_ARRAY_SIZE];  /* Bitwise OR of trusted services     */
    542     UINT16               hci_handle;        /* Handle to connection when exists   */
    543     UINT16               clock_offset;      /* Latest known clock offset          */
    544     BD_ADDR              bd_addr;           /* BD_ADDR of the device              */
    545     DEV_CLASS            dev_class;         /* DEV_CLASS of the device            */
    546     LINK_KEY             link_key;          /* Device link key                    */
    547 
    548 #define BTM_SEC_AUTHORIZED      BTM_SEC_FLAG_AUTHORIZED     /* 0x01 */
    549 #define BTM_SEC_AUTHENTICATED   BTM_SEC_FLAG_AUTHENTICATED  /* 0x02 */
    550 #define BTM_SEC_ENCRYPTED       BTM_SEC_FLAG_ENCRYPTED      /* 0x04 */
    551 #define BTM_SEC_NAME_KNOWN      0x08
    552 #define BTM_SEC_LINK_KEY_KNOWN  BTM_SEC_FLAG_LKEY_KNOWN /* 0x10 */
    553 #define BTM_SEC_LINK_KEY_AUTHED 0x20
    554 #define BTM_SEC_ROLE_SWITCHED   0x40
    555 #define BTM_SEC_IN_USE          0x80
    556     /* LE link security flag */
    557 #define BTM_SEC_LE_AUTHENTICATED   0x0200       /* 0x0200 */
    558 #define BTM_SEC_LE_ENCRYPTED       0x0400      /* 0x04 */
    559 #define BTM_SEC_LE_NAME_KNOWN      0x0800
    560 #define BTM_SEC_LE_LINK_KEY_KNOWN  0x1000       /* 0x10 */
    561 #define BTM_SEC_LE_LINK_KEY_AUTHED 0x2000
    562 
    563     UINT16           sec_flags;          /* Current device security state      */
    564 
    565     tBTM_BD_NAME    sec_bd_name;        /* User friendly name of the device. (may be truncated to save space in dev_rec table) */
    566     BD_FEATURES     features[HCI_EXT_FEATURES_PAGE_MAX + 1];           /* Features supported by the device */
    567     UINT8           num_read_pages;
    568 
    569 #define BTM_SEC_STATE_IDLE              0
    570 #define BTM_SEC_STATE_AUTHENTICATING    1
    571 #define BTM_SEC_STATE_ENCRYPTING        2
    572 #define BTM_SEC_STATE_GETTING_NAME      3
    573 #define BTM_SEC_STATE_AUTHORIZING       4
    574 #define BTM_SEC_STATE_SWITCHING_ROLE    5
    575 #define BTM_SEC_STATE_DISCONNECTING     6
    576 #define BTM_SEC_STATE_DELAY_FOR_ENC     7   /* delay to check for encryption to work around controller problems */
    577 
    578     UINT8       sec_state;              /* Operating state                    */
    579     BOOLEAN     is_originator;          /* TRUE if device is originating connection */
    580 #if (L2CAP_UCD_INCLUDED == TRUE)
    581     BOOLEAN     is_ucd;                 /* TRUE if device is sending or receiving UCD */
    582                                         /* if incoming security failed, received UCD will be discarded */
    583 #endif
    584     BOOLEAN     role_master;            /* TRUE if current mode is master     */
    585     UINT16      security_required;      /* Security required for connection   */
    586     BOOLEAN     link_key_not_sent;      /* link key notification has not been sent waiting for name */
    587     UINT8       link_key_type;          /* Type of key used in pairing   */
    588     BOOLEAN     link_key_changed;       /* Changed link key during current connection */
    589 
    590 #define BTM_MAX_PRE_SM4_LKEY_TYPE   BTM_LKEY_TYPE_REMOTE_UNIT /* the link key type used by legacy pairing */
    591 
    592 #define BTM_SM4_UNKNOWN     0x00
    593 #define BTM_SM4_KNOWN       0x10
    594 #define BTM_SM4_TRUE        0x11
    595 #define BTM_SM4_REQ_PEND    0x08        /* set this bit when getting remote features */
    596 #define BTM_SM4_UPGRADE     0x04        /* set this bit when upgrading link key */
    597 #define BTM_SM4_RETRY       0x02        /* set this bit to retry on HCI_ERR_KEY_MISSING or HCI_ERR_LMP_ERR_TRANS_COLLISION */
    598 #define BTM_SM4_DD_ACP      0x20        /* set this bit to indicate peer initiated dedicated bonding */
    599 #define BTM_SM4_CONN_PEND   0x40        /* set this bit to indicate accepting acl conn; to be cleared on btm_acl_created */
    600     UINT8       sm4;                    /* BTM_SM4_TRUE, if the peer supports SM4 */
    601     tBTM_IO_CAP rmt_io_caps;            /* IO capability of the peer device */
    602     tBTM_AUTH_REQ rmt_auth_req;         /* the auth_req flag as in the IO caps rsp evt */
    603 
    604 #if (BLE_INCLUDED == TRUE)
    605     UINT16              ble_hci_handle;         /* use in DUMO connection */
    606     UINT8               enc_key_size;           /* current link encryption key size */
    607     tBTM_SEC_BLE        ble;
    608     tBT_DEVICE_TYPE     device_type;
    609     tBTM_LE_CONN_PRAMS  conn_params;
    610 #endif
    611 
    612 // btla-specific ++
    613 #if BTM_DISC_DURING_RS == TRUE
    614 #define BTM_SEC_RS_NOT_PENDING          0           /* Role Switch not in progress */
    615 #define BTM_SEC_RS_PENDING              1           /* Role Switch in progress */
    616 #define BTM_SEC_DISC_PENDING            2           /* Disconnect is pending */
    617     UINT8           rs_disc_pending;
    618 #endif
    619 // btla-specific --
    620 #define BTM_SEC_NO_LAST_SERVICE_ID      0
    621     UINT8           last_author_service_id;         /* ID of last serviced authorized: Reset after each l2cap connection */
    622 
    623 } tBTM_SEC_DEV_REC;
    624 
    625 #define BTM_SEC_IS_SM4(sm) ((BOOLEAN)(BTM_SM4_TRUE == ((sm)&BTM_SM4_TRUE)))
    626 #define BTM_SEC_IS_SM4_LEGACY(sm) ((BOOLEAN)(BTM_SM4_KNOWN == ((sm)&BTM_SM4_TRUE)))
    627 #define BTM_SEC_IS_SM4_UNKNOWN(sm) ((BOOLEAN)(BTM_SM4_UNKNOWN == ((sm)&BTM_SM4_TRUE)))
    628 
    629 #define BTM_SEC_LE_MASK    (BTM_SEC_LE_AUTHENTICATED|BTM_SEC_LE_ENCRYPTED|BTM_SEC_LE_LINK_KEY_KNOWN|BTM_SEC_LE_LINK_KEY_AUTHED)
    630 
    631 /*
    632 ** Define device configuration structure
    633 */
    634 typedef struct
    635 {
    636 #if BTM_MAX_LOC_BD_NAME_LEN > 0
    637     tBTM_LOC_BD_NAME bd_name;                    /* local Bluetooth device name */
    638 #endif
    639     BOOLEAN          pin_type;                   /* TRUE if PIN type is fixed */
    640     UINT8            pin_code_len;               /* Bonding information */
    641     PIN_CODE         pin_code;                   /* PIN CODE if pin type is fixed */
    642     BOOLEAN          connectable;                /* If TRUE page scan should be enabled */
    643     UINT8            def_inq_scan_mode;          /* ??? limited/general/none */
    644 } tBTM_CFG;
    645 
    646 #if BTM_PWR_MGR_INCLUDED == TRUE
    647 enum
    648 {
    649     BTM_PM_ST_ACTIVE  = BTM_PM_STS_ACTIVE,
    650     BTM_PM_ST_HOLD    = BTM_PM_STS_HOLD,
    651     BTM_PM_ST_SNIFF   = BTM_PM_STS_SNIFF,
    652     BTM_PM_ST_PARK    = BTM_PM_STS_PARK,
    653     BTM_PM_ST_PENDING = BTM_PM_STS_PENDING
    654 };
    655 typedef UINT8 tBTM_PM_STATE;
    656 
    657 enum
    658 {
    659     BTM_PM_SET_MODE_EVT,    /* Set power mode API is called. */
    660     BTM_PM_UPDATE_EVT,
    661     BTM_PM_RD_MODE_EVT     /* Read power mode API is called. */
    662 };
    663 typedef UINT8 tBTM_PM_EVENT;
    664 
    665 typedef struct
    666 {
    667     UINT16          event;
    668     UINT16          len;
    669     UINT8           link_ind;
    670 } tBTM_PM_MSG_DATA;
    671 
    672 typedef struct
    673 {
    674     UINT8 hci_status;
    675     UINT8 mode;
    676     UINT16 interval;
    677 } tBTM_PM_MD_CHG_DATA;
    678 
    679 typedef struct
    680 {
    681     UINT8          pm_id;      /* the entity that calls SetPowerMode API */
    682     tBTM_PM_PWR_MD *p_pmd;
    683 } tBTM_PM_SET_MD_DATA;
    684 
    685 typedef struct
    686 {
    687     void        *p_data;
    688     UINT8        link_ind;
    689 } tBTM_PM_SM_DATA;
    690 
    691 typedef struct
    692 {
    693     tBTM_PM_PWR_MD req_mode[BTM_MAX_PM_RECORDS+1]; /* the desired mode and parameters of the connection*/
    694     tBTM_PM_PWR_MD set_mode;  /* the mode and parameters sent down to the host controller. */
    695     UINT16         interval;  /* the interval from last mode change event. */
    696 #if (BTM_SSR_INCLUDED == TRUE)
    697     UINT16         max_lat;   /* stored SSR maximum latency */
    698     UINT16         min_rmt_to;/* stored SSR minimum remote timeout */
    699     UINT16         min_loc_to;/* stored SSR minimum local timeout */
    700 #endif
    701     tBTM_PM_STATE  state;     /* contains the current mode of the connection */
    702     BOOLEAN        chg_ind;   /* a request change indication */
    703 } tBTM_PM_MCB;
    704 
    705 #define BTM_PM_REC_NOT_USED 0
    706 typedef struct
    707 {
    708     tBTM_PM_STATUS_CBACK *cback;/* to notify the registered party of mode change event */
    709     UINT8                 mask; /* registered request mask. 0, if this entry is not used */
    710 } tBTM_PM_RCB;
    711 #endif  /* BTM_PWR_MGR_INCLUDED */
    712 
    713 enum
    714 {
    715     BTM_BLI_ACL_UP_EVT,
    716     BTM_BLI_ACL_DOWN_EVT,
    717     BTM_BLI_PAGE_EVT,
    718     BTM_BLI_PAGE_DONE_EVT,
    719     BTM_BLI_INQ_EVT,
    720     BTM_BLI_INQ_CANCEL_EVT,
    721     BTM_BLI_INQ_DONE_EVT
    722 };
    723 typedef UINT8 tBTM_BLI_EVENT;
    724 
    725 /* Pairing State */
    726 enum
    727 {
    728     BTM_PAIR_STATE_IDLE,                        /* Idle                                         */
    729     BTM_PAIR_STATE_GET_REM_NAME,                /* Getting the remote name (to check for SM4)   */
    730     BTM_PAIR_STATE_WAIT_PIN_REQ,                /* Started authentication, waiting for PIN req (PIN is pre-fetched) */
    731     BTM_PAIR_STATE_WAIT_LOCAL_PIN,              /* Waiting for local PIN code                   */
    732     BTM_PAIR_STATE_WAIT_NUMERIC_CONFIRM,        /* Waiting user 'yes' to numeric confirmation   */
    733     BTM_PAIR_STATE_KEY_ENTRY,                   /* Key entry state (we are a keyboard)          */
    734     BTM_PAIR_STATE_WAIT_LOCAL_OOB_RSP,          /* Waiting for local response to peer OOB data  */
    735     BTM_PAIR_STATE_WAIT_LOCAL_IOCAPS,           /* Waiting for local IO capabilities and OOB data */
    736     BTM_PAIR_STATE_INCOMING_SSP,                /* Incoming SSP (got peer IO caps when idle)    */
    737     BTM_PAIR_STATE_WAIT_AUTH_COMPLETE,          /* All done, waiting authentication cpmplete    */
    738     BTM_PAIR_STATE_WAIT_DISCONNECT              /* Waiting to disconnect the ACL                */
    739 };
    740 typedef UINT8 tBTM_PAIRING_STATE;
    741 
    742 #define BTM_PAIR_FLAGS_WE_STARTED_DD    0x01    /* We want to do dedicated bonding              */
    743 #define BTM_PAIR_FLAGS_PEER_STARTED_DD  0x02    /* Peer initiated dedicated bonding             */
    744 #define BTM_PAIR_FLAGS_DISC_WHEN_DONE   0x04    /* Disconnect when done     */
    745 #define BTM_PAIR_FLAGS_PIN_REQD         0x08    /* set this bit when pin_callback is called     */
    746 #define BTM_PAIR_FLAGS_PRE_FETCH_PIN    0x10    /* set this bit when pre-fetch pin     */
    747 #define BTM_PAIR_FLAGS_REJECTED_CONNECT 0x20    /* set this bit when rejected incoming connection  */
    748 #define BTM_PAIR_FLAGS_WE_CANCEL_DD     0x40    /* set this bit when cancelling a bonding procedure */
    749 #define BTM_PAIR_FLAGS_LE_ACTIVE        0x80    /* use this bit when SMP pairing is active */
    750 
    751 
    752 typedef struct
    753 {
    754     BOOLEAN             is_mux;
    755     BD_ADDR             bd_addr;
    756     UINT16              psm;
    757     BOOLEAN             is_orig;
    758     tBTM_SEC_CALLBACK   *p_callback;
    759     void                *p_ref_data;
    760     UINT32              mx_proto_id;
    761     UINT32              mx_chan_id;
    762 } tBTM_SEC_QUEUE_ENTRY;
    763 
    764 #if (L2CAP_UCD_INCLUDED == TRUE)
    765 
    766 #define CONN_ORIENT_TERM                0x00    /* incoming connection oriented */
    767 #define CONN_ORIENT_ORIG                0x01    /* outgoing connection oriented */
    768 #define CONNLESS_TERM                   0x02    /* incoming connectionless      */
    769 #define CONNLESS_ORIG                   0x03    /* outgoing connectionless      */
    770 #define CONNECTION_TYPE_ORIG_MASK       0x01    /* mask for direction           */
    771 #define CONNECTION_TYPE_CONNLESS_MASK   0x02    /* mask for connectionless or not */
    772 typedef UINT8 CONNECTION_TYPE;
    773 
    774 #else
    775 
    776 #define CONN_ORIENT_TERM                FALSE
    777 #define CONN_ORIENT_ORIG                TRUE
    778 typedef BOOLEAN CONNECTION_TYPE;
    779 
    780 #endif /* (L2CAP_UCD_INCLUDED == TRUE) */
    781 
    782 /* Define a structure to hold all the BTM data
    783 */
    784 
    785 #define BTM_STATE_BUFFER_SIZE  5                  /* size of state buffer */
    786 
    787 #if (BTM_PCM2_INCLUDED == TRUE)
    788 /* Define pcm2_action           */
    789 enum
    790 {
    791     BTM_PCM2_ACT_NONE,
    792     BTM_PCM2_ACT_SENT_ARC,
    793     BTM_PCM2_READ_PARAM,
    794     BTM_PCM2_WRITE_PARAM,
    795 };
    796 typedef UINT8 tBTM_PCM2_ACTION;
    797 #endif
    798 
    799 typedef struct
    800 {
    801     tBTM_CFG    cfg;                        /* Device configuration */
    802 
    803     /****************************************************
    804     **      ACL Management
    805     ****************************************************/
    806     tACL_CONN   acl_db[MAX_L2CAP_LINKS];
    807 #if( RFCOMM_INCLUDED==TRUE)
    808     UINT8       btm_scn[BTM_MAX_SCN];        /* current SCNs: TRUE if SCN is in use */
    809 #endif
    810     UINT16      btm_def_link_policy;
    811     UINT16      btm_def_link_super_tout;
    812 
    813 #if (defined(BTM_BUSY_LEVEL_CHANGE_INCLUDED) && BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE)
    814     tBTM_BL_EVENT_MASK     bl_evt_mask;
    815     tBTM_BL_CHANGE_CB     *p_bl_changed_cb;    /* Callback for when Busy Level changed */
    816 #else
    817     tBTM_ACL_DB_CHANGE_CB *p_acl_changed_cb;    /* Callback for when ACL DB changed */
    818 #endif
    819 
    820     tBTM_LSTO_CBACK       *p_lsto_cback;  /* for link supervision timeout change event */
    821 
    822     /****************************************************
    823     **      Power Management
    824     ****************************************************/
    825 #if BTM_PWR_MGR_INCLUDED == TRUE
    826     tBTM_PM_MCB pm_mode_db[MAX_L2CAP_LINKS];   /* per ACL link */
    827     tBTM_PM_RCB pm_reg_db[BTM_MAX_PM_RECORDS+1]; /* per application/module */
    828     UINT8       pm_pend_link;  /* the index of acl_db, which has a pending PM cmd */
    829     UINT8       pm_pend_id;    /* the id pf the module, which has a pending PM cmd */
    830 #endif /* BTM_PWR_MGR_INCLUDED == TRUE */
    831 
    832     /*****************************************************
    833     **      Device control
    834     *****************************************************/
    835     tBTM_DEVCB  devcb;
    836 
    837     /*****************************************************
    838     **      BLE Device controllers
    839     *****************************************************/
    840 #if (BLE_INCLUDED == TRUE)
    841     tBTM_BLE_CB             ble_ctr_cb;
    842 
    843     UINT16                  enc_handle;
    844     BT_OCTET8               enc_rand;   /* received rand value from LTK request*/
    845     UINT16                  ediv;       /* received ediv value from LTK request */
    846     UINT8                   key_size;
    847     tBTM_BLE_VSC_CB         cmn_ble_vsc_cb;
    848 #endif
    849 
    850                                             /* Packet types supported by the local device */
    851     UINT16      btm_acl_pkt_types_supported;
    852     UINT16      btm_sco_pkt_types_supported;
    853 
    854 
    855     /*****************************************************
    856     **      Inquiry
    857     *****************************************************/
    858     tBTM_INQUIRY_VAR_ST     btm_inq_vars;
    859     tBTM_FILTER_CB          *p_inq_filter_cb;   /* Callback that can be set if host */
    860                                                 /* wants to verify inquiry filters */
    861 
    862     /*****************************************************
    863     **      SCO Management
    864     *****************************************************/
    865 #if BTM_SCO_INCLUDED == TRUE
    866     tSCO_CB             sco_cb;
    867 #endif
    868 
    869     /*****************************************************
    870     **      Security Management
    871     *****************************************************/
    872     tBTM_APPL_INFO          api;
    873 
    874 #define BTM_SEC_MAX_RMT_NAME_CALLBACKS  2
    875     tBTM_RMT_NAME_CALLBACK  *p_rmt_name_callback[BTM_SEC_MAX_RMT_NAME_CALLBACKS];
    876 
    877     tBTM_FILTER_CB          *p_conn_filter_cb;  /* Callback that can be set if host */
    878                                                 /* wants to verify connectability filters*/
    879 
    880     tBTM_SEC_DEV_REC        *p_collided_dev_rec;
    881     TIMER_LIST_ENT           sec_collision_tle;
    882     UINT32                   collision_start_time;
    883     UINT32                   max_collision_delay;
    884     UINT32                   dev_rec_count;      /* Counter used for device record timestamp */
    885     UINT8                    security_mode;
    886     BOOLEAN                  pairing_disabled;
    887     BOOLEAN                  connect_only_paired;
    888     BOOLEAN                  security_mode_changed;  /* mode changed during bonding */
    889     BOOLEAN                  pin_type_changed;       /* pin type changed during bonding */
    890     BOOLEAN                  sec_req_pending;       /*   TRUE if a request is pending */
    891 // btla-specific ++
    892 #ifdef PORCHE_PAIRING_CONFLICT
    893     UINT8                    pin_code_len_saved;     /* for legacy devices */
    894 #endif
    895 // btla-specific --
    896 
    897     UINT8                    pin_code_len;  /* for legacy devices */
    898     PIN_CODE                 pin_code;      /* for legacy devices */
    899     tBTM_PAIRING_STATE       pairing_state; /* The current pairing state    */
    900     UINT8                    pairing_flags; /* The current pairing flags    */
    901     BD_ADDR                  pairing_bda;   /* The device currently pairing */
    902     TIMER_LIST_ENT           pairing_tle;   /* Timer for pairing process    */
    903     UINT16                   disc_handle;   /* for legacy devices */
    904     UINT8                    disc_reason;   /* for legacy devices */
    905     tBTM_SEC_SERV_REC        sec_serv_rec[BTM_SEC_MAX_SERVICE_RECORDS];
    906     tBTM_SEC_DEV_REC         sec_dev_rec[BTM_SEC_MAX_DEVICE_RECORDS];
    907     tBTM_SEC_SERV_REC       *p_out_serv;
    908     tBTM_MKEY_CALLBACK      *mkey_cback;
    909 
    910     BD_ADDR                  connecting_bda;
    911     DEV_CLASS                connecting_dc;
    912 
    913     UINT8                   first_disabled_channel;
    914     UINT8                   last_disabled_channel;
    915 
    916     UINT8                   acl_disc_reason;
    917     UINT8                   trace_level;
    918 #if (defined(BTM_BUSY_LEVEL_CHANGE_INCLUDED) && BTM_BUSY_LEVEL_CHANGE_INCLUDED == TRUE)
    919     UINT8                   num_acl;    /* num of active ACL links */
    920     UINT8                   busy_level; /* the current busy level */
    921     BOOLEAN                 is_paging;  /* TRUE, if paging is in progess */
    922     BOOLEAN                 is_inquiry; /* TRUE, if inquiry is in progess */
    923 #endif
    924     BUFFER_Q                page_queue;
    925     BOOLEAN                 paging;
    926     BOOLEAN                 discing;
    927     BUFFER_Q                sec_pending_q;  /* pending sequrity requests in tBTM_SEC_QUEUE_ENTRY format */
    928 
    929 #if  (!defined(BT_TRACE_VERBOSE) || (BT_TRACE_VERBOSE == FALSE))
    930     char state_temp_buffer[BTM_STATE_BUFFER_SIZE];
    931 #endif
    932 
    933 #if (defined(BTM_PCM2_INCLUDED) && BTM_PCM2_INCLUDED == TRUE)
    934     UINT16                  sys_features;
    935     UINT8                   pcm2_params[BRCM_PCM2_SETUP_WRITE_SIZE];
    936     tBTM_PCM2_ACTION        pcm2_action;
    937 #endif
    938 
    939 } tBTM_CB;
    940 
    941 
    942 #ifdef __cplusplus
    943 extern "C"
    944 {
    945 #endif
    946 
    947 #if BTM_DYNAMIC_MEMORY == FALSE
    948 BTM_API extern tBTM_CB  btm_cb;
    949 #else
    950 BTM_API extern tBTM_CB *btm_cb_ptr;
    951 #define btm_cb (*btm_cb_ptr)
    952 #endif
    953 
    954 /* Internal functions provided by btm_main.c
    955 ********************************************
    956 */
    957 extern void         btm_init (void);
    958 
    959 /* Internal functions provided by btm_inq.c
    960 *******************************************
    961 */
    962 extern tBTM_STATUS  btm_initiate_rem_name (BD_ADDR remote_bda,
    963                                            tBTM_INQ_INFO *p_cur,
    964                                            UINT8 origin, UINT32 timeout,
    965                                            tBTM_CMPL_CB *p_cb);
    966 
    967 extern void         btm_process_remote_name (BD_ADDR bda, BD_NAME name, UINT16 evt_len,
    968                                              UINT8 hci_status);
    969 extern void         btm_inq_rmt_name_failed(void);
    970 
    971 /* Inquiry related functions */
    972 extern void         btm_clr_inq_db (BD_ADDR p_bda);
    973 extern void         btm_inq_db_init (void);
    974 extern void         btm_process_inq_results (UINT8 *p, UINT8 inq_res_mode);
    975 extern void         btm_process_inq_complete (UINT8 status, UINT8 mode);
    976 extern void         btm_process_cancel_complete(UINT8 status, UINT8 mode);
    977 extern void         btm_event_filter_complete (UINT8 *p);
    978 extern void         btm_inq_stop_on_ssp(void);
    979 extern void         btm_inq_clear_ssp(void);
    980 extern tINQ_DB_ENT *btm_inq_db_find (BD_ADDR p_bda);
    981 extern BOOLEAN      btm_inq_find_bdaddr (BD_ADDR p_bda);
    982 
    983 #if (BTM_EIR_CLIENT_INCLUDED == TRUE)
    984 extern BOOLEAN btm_lookup_eir(BD_ADDR_PTR p_rem_addr);
    985 #endif
    986 
    987 /* Internal functions provided by btm_acl.c
    988 ********************************************
    989 */
    990 extern void         btm_acl_init (void);
    991 extern void         btm_acl_timeout (TIMER_LIST_ENT  *p_tle);
    992 extern void         btm_acl_created (BD_ADDR bda, DEV_CLASS dc, BD_NAME bdn,
    993                                      UINT16 hci_handle, UINT8 link_role, tBT_TRANSPORT transport);
    994 extern void         btm_acl_removed (BD_ADDR bda, tBT_TRANSPORT transport);
    995 extern void         btm_acl_device_down (void);
    996 extern void         btm_acl_update_busy_level (tBTM_BLI_EVENT event);
    997 extern void         btm_acl_link_key_change (UINT16 handle, UINT8 status);
    998 
    999 extern void         btm_cont_rswitch_or_chglinkkey (tACL_CONN *p,
   1000                                                     tBTM_SEC_DEV_REC *p_dev_rec,
   1001                                                     UINT8 hci_status);
   1002 
   1003 extern UINT8        btm_handle_to_acl_index (UINT16 hci_handle);
   1004 extern void         btm_read_link_policy_complete (UINT8 *p);
   1005 extern void         btm_read_rssi_complete (UINT8 *p);
   1006 extern void         btm_read_tx_power_complete (UINT8 *p, BOOLEAN is_ble);
   1007 extern void         btm_read_link_quality_complete (UINT8 *p);
   1008 extern tBTM_STATUS  btm_set_packet_types (tACL_CONN *p, UINT16 pkt_types);
   1009 extern void         btm_process_clk_off_comp_evt (UINT16 hci_handle, UINT16 clock_offset);
   1010 extern void         btm_acl_role_changed (UINT8 hci_status, BD_ADDR bd_addr, UINT8 new_role);
   1011 extern void         btm_acl_encrypt_change (UINT16 handle, UINT8 status, UINT8 encr_enable);
   1012 BTM_API extern UINT16       btm_get_acl_disc_reason_code (void);
   1013 BTM_API extern tBTM_STATUS  btm_remove_acl (BD_ADDR bd_addr, tBT_TRANSPORT transport);
   1014 extern void         btm_read_remote_features_complete (UINT8 *p);
   1015 extern void         btm_read_remote_ext_features_complete (UINT8 *p);
   1016 extern void         btm_read_remote_ext_features_failed (UINT8 status, UINT16 handle);
   1017 extern void         btm_read_remote_version_complete (UINT8 *p);
   1018 extern void         btm_establish_continue (tACL_CONN *p_acl_cb);
   1019 
   1020 // btla-specific ++
   1021 extern void         btm_acl_chk_peer_pkt_type_support (tACL_CONN *p, UINT16 *p_pkt_type);
   1022 // btla-specific --
   1023 /* Read maximum data packet that can be sent over current connection */
   1024 extern UINT16 btm_get_max_packet_size (BD_ADDR addr);
   1025 extern tACL_CONN *btm_bda_to_acl (BD_ADDR bda, tBT_TRANSPORT transport);
   1026 extern BOOLEAN    btm_acl_notif_conn_collision (BD_ADDR bda);
   1027 
   1028 #if BTM_PWR_MGR_INCLUDED == FALSE
   1029 extern void         btm_process_mode_change (UINT8 hci_status, UINT16 hci_handle, UINT8 mode,
   1030                                              UINT16 interval);
   1031 
   1032 /* Internal functions provided by btm_pm.c
   1033 ********************************************
   1034 */
   1035 #else
   1036 extern void btm_pm_reset(void);
   1037 extern void btm_pm_sm_alloc(UINT8 ind);
   1038 extern void btm_pm_proc_cmd_status(UINT8 status);
   1039 extern void btm_pm_proc_mode_change (UINT8 hci_status, UINT16 hci_handle, UINT8 mode,
   1040                                      UINT16 interval);
   1041 extern void btm_pm_proc_ssr_evt (UINT8 *p, UINT16 evt_len);
   1042 #if BTM_SCO_INCLUDED == TRUE
   1043 extern void btm_sco_chk_pend_unpark (UINT8 hci_status, UINT16 hci_handle);
   1044 #else
   1045 #define btm_sco_chk_pend_unpark(hci_status, hci_handle)
   1046 #endif /* BTM_SCO_INCLUDED */
   1047 #endif /* BTM_PWR_MGR_INCLUDED == FALSE */
   1048 extern void btm_qos_setup_complete (UINT8 status, UINT16 handle, FLOW_SPEC *p_flow);
   1049 
   1050 
   1051 /* Internal functions provided by btm_sco.c
   1052 ********************************************
   1053 */
   1054 extern void btm_sco_init (void);
   1055 extern void btm_sco_connected (UINT8 hci_status, BD_ADDR bda, UINT16 hci_handle,
   1056                                tBTM_ESCO_DATA *p_esco_data);
   1057 extern void btm_esco_proc_conn_chg (UINT8 status, UINT16 handle, UINT8 tx_interval,
   1058                                     UINT8 retrans_window, UINT16 rx_pkt_len,
   1059                                     UINT16 tx_pkt_len);
   1060 extern void btm_sco_conn_req (BD_ADDR bda,  DEV_CLASS dev_class, UINT8 link_type);
   1061 extern void btm_sco_removed (UINT16 hci_handle, UINT8 reason);
   1062 extern void btm_sco_acl_removed (BD_ADDR bda);
   1063 extern void btm_route_sco_data (BT_HDR *p_msg);
   1064 extern BOOLEAN btm_is_sco_active (UINT16 handle);
   1065 extern void btm_remove_sco_links (BD_ADDR bda);
   1066 extern BOOLEAN btm_is_sco_active_by_bdaddr (BD_ADDR remote_bda);
   1067 
   1068 extern tBTM_SCO_TYPE btm_read_def_esco_mode (tBTM_ESCO_PARAMS *p_parms);
   1069 extern UINT16  btm_find_scb_by_handle (UINT16 handle);
   1070 extern void btm_sco_flush_sco_data(UINT16 sco_inx);
   1071 
   1072 /* Internal functions provided by btm_devctl.c
   1073 **********************************************
   1074 */
   1075 extern void btm_dev_init (void);
   1076 extern void btm_dev_absent (void);
   1077 extern void btm_dev_timeout (TIMER_LIST_ENT *p_tle);
   1078 extern void btm_reset_complete (void);
   1079 extern void btm_read_local_version_complete (UINT8 *p, UINT16 evt_len);
   1080 extern void btm_read_hci_buf_size_complete (UINT8 *p, UINT16 evt_len);
   1081 extern void btm_read_local_supported_cmds_complete (UINT8 *p);
   1082 extern void btm_read_local_features_complete (UINT8 *p, UINT16 evt_len);
   1083 extern void btm_read_local_ext_features_complete (UINT8 *p, UINT16 evt_len);
   1084 extern void btm_read_local_name_complete (UINT8 *p, UINT16 evt_len);
   1085 extern void btm_read_local_addr_complete (UINT8 *p, UINT16 evt_len);
   1086 extern  void btm_reset_ctrlr_complete (void);
   1087 extern void btm_write_simple_paring_mode_complete (UINT8 *p);
   1088 extern void btm_write_le_host_supported_complete (UINT8 *p);
   1089 
   1090 #if (BLE_INCLUDED == TRUE)
   1091 extern void btm_read_ble_buf_size_complete (UINT8 *p, UINT16 evt_len);
   1092 extern void btm_read_ble_local_supported_features_complete (UINT8 *p, UINT16 evt_len);
   1093 extern void btm_read_white_list_size_complete(UINT8 *p, UINT16 evt_len);
   1094 extern void btm_ble_add_2_white_list_complete(UINT8 status);
   1095 extern void btm_ble_remove_from_white_list_complete(UINT8 *p, UINT16 evt_len);
   1096 extern void btm_ble_clear_white_list_complete(UINT8 *p, UINT16 evt_len);
   1097 #endif  /* BLE_INCLUDED */
   1098 
   1099 /* Vendor Specific Command complete evt handler */
   1100 extern void btm_vsc_complete (UINT8 *p, UINT16 cc_opcode, UINT16 evt_len,
   1101                               tBTM_CMPL_CB *p_vsc_cplt_cback);
   1102 extern void btm_inq_db_reset (void);
   1103 extern void btm_vendor_specific_evt (UINT8 *p, UINT8 evt_len);
   1104 extern UINT8 btm_get_hci_version (void);
   1105 extern void btm_read_stored_link_key_complete (UINT8 *p);
   1106 extern void btm_write_stored_link_key_complete (UINT8 *p);
   1107 extern void btm_delete_stored_link_key_complete (UINT8 *p);
   1108 extern void btm_return_link_keys_evt (tBTM_RETURN_LINK_KEYS_EVT *result);
   1109 extern void btm_report_device_status (tBTM_DEV_STATUS status);
   1110 
   1111 
   1112 /* Internal functions provided by btm_dev.c
   1113 **********************************************
   1114 */
   1115 extern BOOLEAN btm_dev_support_switch (BD_ADDR bd_addr);
   1116 extern UINT8 btm_get_voice_coding_support (void);
   1117 
   1118 extern tBTM_SEC_DEV_REC  *btm_sec_alloc_dev (BD_ADDR bd_addr);
   1119 extern void               btm_sec_free_dev (tBTM_SEC_DEV_REC *p_dev_rec);
   1120 extern tBTM_SEC_DEV_REC  *btm_find_dev (BD_ADDR bd_addr);
   1121 extern tBTM_SEC_DEV_REC  *btm_find_or_alloc_dev (BD_ADDR bd_addr);
   1122 extern tBTM_SEC_DEV_REC  *btm_find_dev_by_handle (UINT16 handle);
   1123 
   1124 /* Internal functions provided by btm_sec.c
   1125 **********************************************
   1126 */
   1127 extern BOOLEAN btm_dev_support_switch (BD_ADDR bd_addr);
   1128 extern tBTM_STATUS  btm_sec_l2cap_access_req (BD_ADDR bd_addr, UINT16 psm,
   1129                                        UINT16 handle, CONNECTION_TYPE conn_type,
   1130                                        tBTM_SEC_CALLBACK *p_callback, void *p_ref_data);
   1131 extern tBTM_STATUS  btm_sec_mx_access_request (BD_ADDR bd_addr, UINT16 psm, BOOLEAN is_originator,
   1132                                         UINT32 mx_proto_id, UINT32 mx_chan_id,
   1133                                         tBTM_SEC_CALLBACK *p_callback, void *p_ref_data);
   1134 extern void  btm_sec_conn_req (UINT8 *bda, UINT8 *dc);
   1135 extern void btm_create_conn_cancel_complete (UINT8 *p);
   1136 extern void btm_proc_lsto_evt(UINT16 handle, UINT16 timeout);
   1137 extern void btm_read_linq_tx_power_complete (UINT8 *p);
   1138 
   1139 extern void  btm_sec_init (UINT8 sec_mode);
   1140 extern void  btm_sec_dev_reset (void);
   1141 extern void  btm_sec_abort_access_req (BD_ADDR bd_addr);
   1142 extern void  btm_sec_auth_complete (UINT16 handle, UINT8 status);
   1143 extern void  btm_sec_mkey_comp_event (UINT16 handle, UINT8 status, UINT8 key_flg);
   1144 extern void  btm_sec_encrypt_change (UINT16 handle, UINT8 status, UINT8 encr_enable);
   1145 extern void  btm_sec_connected (UINT8 *bda, UINT16 handle, UINT8 status, UINT8 enc_mode);
   1146 extern tBTM_STATUS btm_sec_disconnect (UINT16 handle, UINT8 reason);
   1147 extern void  btm_sec_disconnected (UINT16 handle, UINT8 reason);
   1148 extern void  btm_sec_rmt_name_request_complete (UINT8 *bd_addr, UINT8 *bd_name, UINT8 status);
   1149 extern void  btm_sec_rmt_host_support_feat_evt (UINT8 *p);
   1150 extern void  btm_io_capabilities_req (UINT8 *p);
   1151 extern void  btm_io_capabilities_rsp (UINT8 *p);
   1152 extern void  btm_proc_sp_req_evt (tBTM_SP_EVT event, UINT8 *p);
   1153 extern void  btm_keypress_notif_evt (UINT8 *p);
   1154 extern void  btm_simple_pair_complete (UINT8 *p);
   1155 extern void  btm_sec_link_key_notification (UINT8 *p_bda, UINT8 *p_link_key, UINT8 key_type);
   1156 extern void  btm_sec_link_key_request (UINT8 *p_bda);
   1157 extern void  btm_sec_pin_code_request (UINT8 *p_bda);
   1158 extern void  btm_sec_update_clock_offset (UINT16 handle, UINT16 clock_offset);
   1159 extern void  btm_sec_dev_rec_cback_event (tBTM_SEC_DEV_REC *p_dev_rec, UINT8 res, BOOLEAN is_le_trasnport);
   1160 
   1161 #if BLE_INCLUDED == TRUE
   1162 extern void  btm_sec_clear_ble_keys (tBTM_SEC_DEV_REC  *p_dev_rec);
   1163 extern  BOOLEAN btm_sec_find_bonded_dev (UINT8 start_idx, UINT8 *p_found_idx, tBTM_SEC_DEV_REC **p_rec);
   1164 extern BOOLEAN btm_sec_is_a_bonded_dev (BD_ADDR bda);
   1165 extern BOOLEAN btm_sec_is_le_capable_dev (BD_ADDR bda);
   1166 #endif /* BLE_INCLUDED */
   1167 
   1168 extern tINQ_DB_ENT *btm_inq_db_new (BD_ADDR p_bda);
   1169 
   1170 #if BTM_OOB_INCLUDED == TRUE
   1171 extern void  btm_rem_oob_req (UINT8 *p);
   1172 extern void  btm_read_local_oob_complete (UINT8 *p);
   1173 #else
   1174 #define btm_rem_oob_req(p)
   1175 #define btm_read_local_oob_complete(p)
   1176 #endif
   1177 
   1178 extern void  btm_acl_resubmit_page (void);
   1179 extern void  btm_acl_reset_paging (void);
   1180 extern void  btm_acl_paging (BT_HDR *p, BD_ADDR dest);
   1181 extern void  btm_acl_set_discing (BOOLEAN discing);
   1182 extern UINT8 btm_sec_clr_service_by_psm (UINT16 psm);
   1183 extern void  btm_sec_clr_temp_auth_service (BD_ADDR bda);
   1184 
   1185 #ifdef __cplusplus
   1186 }
   1187 #endif
   1188 
   1189 #endif
   1190 
   1191