/*******************************************************************************
**
** Function l2cble_init_direct_conn
**
** Description This function is to initate a direct connection
**
** Returns TRUE connection initiated, FALSE otherwise.
**
*******************************************************************************/
BOOLEAN l2cble_init_direct_conn (tL2C_LCB *p_lcb)
{
tBTM_SEC_DEV_REC *p_dev_rec = btm_find_or_alloc_dev (p_lcb->remote_bd_addr);
tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
UINT16 scan_int;
UINT16 scan_win;
BD_ADDR peer_addr;
UINT8 peer_addr_type = BLE_ADDR_PUBLIC;
UINT8 own_addr_type = BLE_ADDR_PUBLIC;
/* There can be only one BLE connection request outstanding at a time */
if (p_dev_rec == NULL)
{
L2CAP_TRACE_WARNING ("unknown device, can not initate connection");
return(FALSE);
}
scan_int = (p_cb->scan_int == BTM_BLE_SCAN_PARAM_UNDEF) ? BTM_BLE_SCAN_FAST_INT : p_cb->scan_int;
scan_win = (p_cb->scan_win == BTM_BLE_SCAN_PARAM_UNDEF) ? BTM_BLE_SCAN_FAST_WIN : p_cb->scan_win;
peer_addr_type = p_lcb->ble_addr_type;
memcpy(peer_addr, p_lcb->remote_bd_addr, BD_ADDR_LEN);
#if ( (defined BLE_PRIVACY_SPT) && (BLE_PRIVACY_SPT == TRUE))
own_addr_type = btm_cb.ble_ctr_cb.privacy_mode ? BLE_ADDR_RANDOM : BLE_ADDR_PUBLIC;
if (p_dev_rec->ble.in_controller_list & BTM_RESOLVING_LIST_BIT)
{
if (btm_cb.ble_ctr_cb.privacy_mode >= BTM_PRIVACY_1_2)
own_addr_type |= BLE_ADDR_TYPE_ID_BIT;
btm_ble_enable_resolving_list(BTM_BLE_RL_INIT);
btm_random_pseudo_to_identity_addr(peer_addr, &peer_addr_type);
}
else
btm_ble_disable_resolving_list(BTM_BLE_RL_INIT, TRUE);
#endif
if (!btm_ble_topology_check(BTM_BLE_STATE_INIT))
{
l2cu_release_lcb (p_lcb);
L2CAP_TRACE_ERROR("initate direct connection fail, topology limitation");
return FALSE;
}
if (!btsnd_hcic_ble_create_ll_conn (scan_int,/* UINT16 scan_int */
scan_win, /* UINT16 scan_win */
FALSE, /* UINT8 white_list */
peer_addr_type, /* UINT8 addr_type_peer */
peer_addr, /* BD_ADDR bda_peer */
own_addr_type, /* UINT8 addr_type_own */
(UINT16) ((p_dev_rec->conn_params.min_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ?
p_dev_rec->conn_params.min_conn_int : BTM_BLE_CONN_INT_MIN_DEF), /* UINT16 conn_int_min */
(UINT16) ((p_dev_rec->conn_params.max_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ?
p_dev_rec->conn_params.max_conn_int : BTM_BLE_CONN_INT_MAX_DEF), /* UINT16 conn_int_max */
(UINT16) ((p_dev_rec->conn_params.slave_latency != BTM_BLE_CONN_PARAM_UNDEF) ?
p_dev_rec->conn_params.slave_latency : BTM_BLE_CONN_SLAVE_LATENCY_DEF), /* UINT16 conn_latency */
(UINT16) ((p_dev_rec->conn_params.supervision_tout != BTM_BLE_CONN_PARAM_UNDEF) ?
p_dev_rec->conn_params.supervision_tout : BTM_BLE_CONN_TIMEOUT_DEF), /* conn_timeout */
0, /* UINT16 min_len */
0)) /* UINT16 max_len */
{
l2cu_release_lcb (p_lcb);
L2CAP_TRACE_ERROR("initate direct connection fail, no resources");
return (FALSE);
}
else
{
p_lcb->link_state = LST_CONNECTING;
l2cb.is_ble_connecting = TRUE;
memcpy (l2cb.ble_connecting_bda, p_lcb->remote_bd_addr, BD_ADDR_LEN);
btu_start_timer (&p_lcb->timer_entry, BTU_TTYPE_L2CAP_LINK, L2CAP_BLE_LINK_CONNECT_TOUT);
btm_ble_set_conn_st (BLE_DIR_CONN);
return (TRUE);
}
}
/*******************************************************************************
**
** Function btm_ble_start_select_conn
**
** Description This function is to start/stop selective connection procedure.
**
** Parameters start: TRUE to start; FALSE to stop.
** p_select_cback: callback function to return application
** selection.
**
** Returns BOOLEAN: selective connectino procedure is started.
**
*******************************************************************************/
BOOLEAN btm_ble_start_select_conn(BOOLEAN start, tBTM_BLE_SEL_CBACK *p_select_cback)
{
tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
UINT32 scan_int = p_cb->scan_int == BTM_BLE_SCAN_PARAM_UNDEF ? BTM_BLE_SCAN_FAST_INT : p_cb->scan_int;
UINT32 scan_win = p_cb->scan_win == BTM_BLE_SCAN_PARAM_UNDEF ? BTM_BLE_SCAN_FAST_WIN : p_cb->scan_win;
BTM_TRACE_EVENT ("%s", __func__);
if (start)
{
if (!BTM_BLE_IS_SCAN_ACTIVE(p_cb->scan_activity))
{
if (p_select_cback != NULL)
btm_cb.ble_ctr_cb.p_select_cback = p_select_cback;
btm_execute_wl_dev_operation();
btm_update_scanner_filter_policy(SP_ADV_WL);
btm_cb.ble_ctr_cb.inq_var.scan_type = BTM_BLE_SCAN_MODE_PASS;
/* Process advertising packets only from devices in the white list */
if (btm_cb.cmn_ble_vsc_cb.extended_scan_support == 0)
{
/* use passive scan by default */
if (!btsnd_hcic_ble_set_scan_params(BTM_BLE_SCAN_MODE_PASS,
scan_int,
scan_win,
p_cb->addr_mgnt_cb.own_addr_type,
SP_ADV_WL))
{
return FALSE;
}
}
else
{
if (!btm_ble_send_extended_scan_params(BTM_BLE_SCAN_MODE_PASS,
scan_int,
scan_win,
p_cb->addr_mgnt_cb.own_addr_type,
SP_ADV_WL))
{
return FALSE;
}
}
if (!btm_ble_topology_check(BTM_BLE_STATE_PASSIVE_SCAN))
{
BTM_TRACE_ERROR("peripheral device cannot initiate passive scan for a selective connection");
return FALSE;
}
else if (background_connections_pending())
{
#if BLE_PRIVACY_SPT == TRUE
btm_ble_enable_resolving_list_for_platform(BTM_BLE_RL_SCAN);
#endif
if (!btsnd_hcic_ble_set_scan_enable(TRUE, TRUE)) /* duplicate filtering enabled */
return FALSE;
/* mark up inquiry status flag */
p_cb->scan_activity |= BTM_LE_SELECT_CONN_ACTIVE;
p_cb->wl_state |= BTM_BLE_WL_SCAN;
}
}
else
{
BTM_TRACE_ERROR("scan active, can not start selective connection procedure");
return FALSE;
}
}
else /* disable selective connection mode */
{
p_cb->scan_activity &= ~BTM_LE_SELECT_CONN_ACTIVE;
p_cb->p_select_cback = NULL;
p_cb->wl_state &= ~BTM_BLE_WL_SCAN;
/* stop scanning */
if (!BTM_BLE_IS_SCAN_ACTIVE(p_cb->scan_activity))
btm_ble_stop_scan(); /* duplicate filtering enabled */
}
return TRUE;
}
/*******************************************************************************
**
** Function btm_ble_start_auto_conn
**
** Description This function is to start/stop auto connection procedure.
**
** Parameters start: TRUE to start; FALSE to stop.
**
** Returns void
**
*******************************************************************************/
BOOLEAN btm_ble_start_auto_conn(BOOLEAN start)
{
tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
BD_ADDR dummy_bda = {0};
BOOLEAN exec = TRUE;
UINT16 scan_int;
UINT16 scan_win;
UINT8 own_addr_type = p_cb->addr_mgnt_cb.own_addr_type;
UINT8 peer_addr_type = BLE_ADDR_PUBLIC;
if (start)
{
if (p_cb->conn_state == BLE_CONN_IDLE && background_connections_pending()
&& btm_ble_topology_check(BTM_BLE_STATE_INIT))
{
p_cb->wl_state |= BTM_BLE_WL_INIT;
btm_execute_wl_dev_operation();
#if BLE_PRIVACY_SPT == TRUE
btm_ble_enable_resolving_list_for_platform(BTM_BLE_RL_INIT);
#endif
scan_int = (p_cb->scan_int == BTM_BLE_SCAN_PARAM_UNDEF) ?
BTM_BLE_SCAN_SLOW_INT_1 : p_cb->scan_int;
scan_win = (p_cb->scan_win == BTM_BLE_SCAN_PARAM_UNDEF) ?
BTM_BLE_SCAN_SLOW_WIN_1 : p_cb->scan_win;
#if BLE_PRIVACY_SPT == TRUE
if (btm_cb.ble_ctr_cb.rl_state != BTM_BLE_RL_IDLE)
{
own_addr_type |= BLE_ADDR_TYPE_ID_BIT;
peer_addr_type |= BLE_ADDR_TYPE_ID_BIT;
}
#endif
if (!btsnd_hcic_ble_create_ll_conn (scan_int, /* UINT16 scan_int */
scan_win, /* UINT16 scan_win */
0x01, /* UINT8 white_list */
peer_addr_type, /* UINT8 addr_type_peer */
dummy_bda, /* BD_ADDR bda_peer */
own_addr_type, /* UINT8 addr_type_own */
BTM_BLE_CONN_INT_MIN_DEF, /* UINT16 conn_int_min */
BTM_BLE_CONN_INT_MAX_DEF, /* UINT16 conn_int_max */
BTM_BLE_CONN_SLAVE_LATENCY_DEF, /* UINT16 conn_latency */
BTM_BLE_CONN_TIMEOUT_DEF, /* UINT16 conn_timeout */
0, /* UINT16 min_len */
0)) /* UINT16 max_len */
{
/* start auto connection failed */
exec = FALSE;
p_cb->wl_state &= ~BTM_BLE_WL_INIT;
}
else
{
btm_ble_set_conn_st (BLE_BG_CONN);
}
}
else
{
exec = FALSE;
}
}
else
{
if (p_cb->conn_state == BLE_BG_CONN)
{
btsnd_hcic_ble_create_conn_cancel();
btm_ble_set_conn_st (BLE_CONN_CANCEL);
p_cb->wl_state &= ~BTM_BLE_WL_INIT;
}
else
{
BTM_TRACE_DEBUG("conn_st = %d, not in auto conn state, cannot stop", p_cb->conn_state);
exec = FALSE;
}
}
return exec;
}
/*******************************************************************************
**
** Function btm_ble_start_select_conn
**
** Description This function is to start/stop selective connection procedure.
**
** Parameters start: TRUE to start; FALSE to stop.
** p_select_cback: callback function to return application
** selection.
**
** Returns BOOLEAN: selective connectino procedure is started.
**
*******************************************************************************/
BOOLEAN btm_ble_start_select_conn(BOOLEAN start,tBTM_BLE_SEL_CBACK *p_select_cback)
{
tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
UINT16 scan_int, scan_win;
BTM_TRACE_EVENT ("btm_ble_start_select_conn");
scan_int = (p_cb->scan_int == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_SCAN_FAST_INT : p_cb->scan_int;
scan_win = (p_cb->scan_win == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_SCAN_FAST_WIN : p_cb->scan_win;
if (start)
{
if (!BTM_BLE_IS_SCAN_ACTIVE(p_cb->scan_activity))
{
if (p_select_cback != NULL)
btm_cb.ble_ctr_cb.p_select_cback = p_select_cback;
btm_execute_wl_dev_operation();
btm_update_scanner_filter_policy(SP_ADV_WL);
btm_cb.ble_ctr_cb.inq_var.scan_type = BTM_BLE_SCAN_MODE_PASS;
if (!btsnd_hcic_ble_set_scan_params(BTM_BLE_SCAN_MODE_PASS, /* use passive scan by default */
scan_int, /* scan interval */
scan_win, /* scan window */
p_cb->addr_mgnt_cb.own_addr_type,
SP_ADV_WL) /* process advertising packets only from devices in the White List */
)
return FALSE;
if (!btm_ble_topology_check(BTM_BLE_STATE_PASSIVE_SCAN))
{
BTM_TRACE_ERROR("peripheral device cannot initiate passive scan for a selective connection");
return FALSE;
}
else if (p_cb->bg_dev_num > 0 && btm_ble_count_unconn_dev_in_whitelist() > 0 )
{
if (!btsnd_hcic_ble_set_scan_enable(TRUE, TRUE)) /* duplicate filtering enabled */
return FALSE;
/* mark up inquiry status flag */
p_cb->scan_activity |= BTM_LE_SELECT_CONN_ACTIVE;
p_cb->wl_state |= BTM_BLE_WL_SCAN;
}
}
else
{
BTM_TRACE_ERROR("scan active, can not start selective connection procedure");
return FALSE;
}
}
else /* disable selective connection mode */
{
p_cb->scan_activity &= ~BTM_LE_SELECT_CONN_ACTIVE;
p_cb->p_select_cback = NULL;
#if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
if (btm_cb.cmn_ble_vsc_cb.rpa_offloading == TRUE)
btm_ble_vendor_disable_irk_list();
#endif
p_cb->wl_state |= BTM_BLE_WL_SCAN;
/* stop scanning */
if (!BTM_BLE_IS_SCAN_ACTIVE(p_cb->scan_activity))
btm_ble_stop_scan(); /* duplicate filtering enabled */
btm_update_scanner_filter_policy(SP_ADV_ALL);
}
return TRUE;
}
/*******************************************************************************
**
** Function btm_ble_start_auto_conn
**
** Description This function is to start/stop auto connection procedure.
**
** Parameters start: TRUE to start; FALSE to stop.
**
** Returns void
**
*******************************************************************************/
BOOLEAN btm_ble_start_auto_conn(BOOLEAN start)
{
tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
BD_ADDR dummy_bda = {0};
BOOLEAN exec = TRUE;
UINT16 scan_int, scan_win;
if (start)
{
if ( p_cb->conn_state == BLE_CONN_IDLE )
{
exec = btm_execute_wl_dev_operation();
}
if ((p_cb->conn_state == BLE_CONN_IDLE && btm_ble_count_unconn_dev_in_whitelist() > 0)
&& btm_ble_topology_check(BTM_BLE_STATE_INIT))
{
#if (defined BLE_PRIVACY_SPT && BLE_PRIVACY_SPT == TRUE)
/*enable offload if any unconn dev in WL are in IRK list*/
if (btm_cb.cmn_ble_vsc_cb.rpa_offloading == TRUE && btm_ble_count_unconn_dev_in_wl_irk() > 0)
btm_ble_vendor_enable_irk_feature(TRUE);
#endif
scan_int = (p_cb->scan_int == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_SCAN_SLOW_INT_1 : p_cb->scan_int;
scan_win = (p_cb->scan_win == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_SCAN_SLOW_WIN_1 : p_cb->scan_win;
if (!btsnd_hcic_ble_create_ll_conn (scan_int, /* UINT16 scan_int */
scan_win, /* UINT16 scan_win */
0x01, /* UINT8 white_list */
BLE_ADDR_PUBLIC, /* UINT8 addr_type_peer */
dummy_bda, /* BD_ADDR bda_peer */
p_cb->addr_mgnt_cb.own_addr_type,
/* UINT8 addr_type_own,
not allow random address for central */
BTM_BLE_CONN_INT_MIN_DEF, /* UINT16 conn_int_min */
BTM_BLE_CONN_INT_MAX_DEF, /* UINT16 conn_int_max */
BTM_BLE_CONN_SLAVE_LATENCY_DEF, /* UINT16 conn_latency */
BTM_BLE_CONN_TIMEOUT_DEF, /* UINT16 conn_timeout */
0, /* UINT16 min_len */
0)) /* UINT16 max_len */
{
/* start auto connection failed */
exec = FALSE;
}
else
{
btm_ble_set_conn_st (BLE_BG_CONN);
p_cb->wl_state |= BTM_BLE_WL_INIT;
}
}
else
{
exec = FALSE;
}
}
else
{
if (p_cb->conn_state == BLE_BG_CONN)
{
btsnd_hcic_ble_create_conn_cancel();
btm_ble_set_conn_st (BLE_CONN_CANCEL);
p_cb->wl_state |= BTM_BLE_WL_INIT;
}
else
{
#if 0
BTM_TRACE_ERROR("conn_st = %d, not in auto conn state, can not stop.", p_cb->conn_state);
exec = FALSE;
#endif
}
}
return exec;
}
/*******************************************************************************
**
** Function l2cble_init_direct_conn
**
** Description This function is to initate a direct connection
**
** Returns TRUE connection initiated, FALSE otherwise.
**
*******************************************************************************/
BOOLEAN l2cble_init_direct_conn (tL2C_LCB *p_lcb)
{
tBTM_SEC_DEV_REC *p_dev_rec = btm_find_or_alloc_dev (p_lcb->remote_bd_addr);
tBTM_BLE_CB *p_cb = &btm_cb.ble_ctr_cb;
UINT16 scan_int, scan_win;
BD_ADDR init_addr;
UINT8 init_addr_type = BLE_ADDR_PUBLIC,
own_addr_type = BLE_ADDR_PUBLIC;
/* There can be only one BLE connection request outstanding at a time */
if (p_dev_rec == NULL)
{
L2CAP_TRACE_WARNING ("unknown device, can not initate connection");
return(FALSE);
}
scan_int = (p_cb->scan_int == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_SCAN_FAST_INT : p_cb->scan_int;
scan_win = (p_cb->scan_win == BTM_BLE_CONN_PARAM_UNDEF) ? BTM_BLE_SCAN_FAST_WIN : p_cb->scan_win;
init_addr_type = p_lcb->ble_addr_type;
memcpy(init_addr, p_lcb->remote_bd_addr, BD_ADDR_LEN);
#if BLE_PRIVACY_SPT == TRUE
/* if RPA offloading supported */
if (btm_ble_vendor_irk_list_load_dev(p_dev_rec))
btm_random_pseudo_to_public(init_addr, &init_addr_type);
/* otherwise, if remote is RPA enabled, use latest RPA */
else if (p_dev_rec->ble.active_addr_type == BTM_BLE_ADDR_RRA)
{
init_addr_type = BLE_ADDR_RANDOM;
memcpy(init_addr, p_dev_rec->ble.cur_rand_addr, BD_ADDR_LEN);
}
/* if privacy is on and current do not consider using reconnection address */
if (btm_cb.ble_ctr_cb.privacy ) /* && p_dev_rec->ble.use_reconn_addr */
own_addr_type = BLE_ADDR_RANDOM;
#endif
if (!btm_ble_topology_check(BTM_BLE_STATE_INIT))
{
l2cu_release_lcb (p_lcb);
L2CAP_TRACE_ERROR("initate direct connection fail, topology limitation");
return FALSE;
}
if (!btsnd_hcic_ble_create_ll_conn (scan_int,/* UINT16 scan_int */
scan_win, /* UINT16 scan_win */
FALSE, /* UINT8 white_list */
init_addr_type, /* UINT8 addr_type_peer */
init_addr, /* BD_ADDR bda_peer */
own_addr_type, /* UINT8 addr_type_own */
(UINT16) ((p_dev_rec->conn_params.min_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ?
p_dev_rec->conn_params.min_conn_int : BTM_BLE_CONN_INT_MIN_DEF), /* UINT16 conn_int_min */
(UINT16) ((p_dev_rec->conn_params.max_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ?
p_dev_rec->conn_params.max_conn_int : BTM_BLE_CONN_INT_MAX_DEF), /* UINT16 conn_int_max */
(UINT16) ((p_dev_rec->conn_params.slave_latency != BTM_BLE_CONN_PARAM_UNDEF) ?
p_dev_rec->conn_params.slave_latency : BTM_BLE_CONN_SLAVE_LATENCY_DEF), /* UINT16 conn_latency */
(UINT16) ((p_dev_rec->conn_params.supervision_tout != BTM_BLE_CONN_PARAM_UNDEF) ?
p_dev_rec->conn_params.supervision_tout : BTM_BLE_CONN_TIMEOUT_DEF), /* conn_timeout */
0, /* UINT16 min_len */
0)) /* UINT16 max_len */
{
l2cu_release_lcb (p_lcb);
L2CAP_TRACE_ERROR("initate direct connection fail, no resources");
return (FALSE);
}
else
{
p_lcb->link_state = LST_CONNECTING;
l2cb.is_ble_connecting = TRUE;
memcpy (l2cb.ble_connecting_bda, p_lcb->remote_bd_addr, BD_ADDR_LEN);
btu_start_timer (&p_lcb->timer_entry, BTU_TTYPE_L2CAP_LINK, L2CAP_BLE_LINK_CONNECT_TOUT);
btm_ble_set_conn_st (BLE_DIR_CONN);
return (TRUE);
}
}
