/*******************************************************************************
**
** Function L2CA_EnableUpdateBleConnParams
**
** Description Enable or disable update based on the request from the peer
**
** Parameters: BD Address of remote
**
** Return value: TRUE if update started
**
*******************************************************************************/
BOOLEAN L2CA_EnableUpdateBleConnParams (BD_ADDR rem_bda, BOOLEAN enable)
{
tL2C_LCB *p_lcb;
/* See if we have a link control block for the remote device */
p_lcb = l2cu_find_lcb_by_bd_addr (rem_bda);
/* If we don't have one, create one and accept the connection. */
if (!p_lcb)
{
L2CAP_TRACE_WARNING2 ("L2CA_EnableUpdateBleConnParams - unknown BD_ADDR %08x%04x",
(rem_bda[0]<<24)+(rem_bda[1]<<16)+(rem_bda[2]<<8)+rem_bda[3], (rem_bda[4]<<8)+rem_bda[5]);
return (FALSE);
}
L2CAP_TRACE_API4 ("L2CA_EnableUpdateBleConnParams - BD_ADDR %08x%04x enable %d current upd state %d",
(rem_bda[0]<<24)+(rem_bda[1]<<16)+(rem_bda[2]<<8)+rem_bda[3], (rem_bda[4]<<8)+rem_bda[5], enable, p_lcb->upd_disabled);
if (!p_lcb->is_ble_link || (p_lcb->link_role != HCI_ROLE_MASTER))
{
L2CAP_TRACE_WARNING3 ("L2CA_EnableUpdateBleConnParams - BD_ADDR %08x%04x not LE or not master %d",
(rem_bda[0]<<24)+(rem_bda[1]<<16)+(rem_bda[2]<<8)+rem_bda[3], (rem_bda[4]<<8)+rem_bda[5], p_lcb->link_role);
return (FALSE);
}
if (enable)
{
/* application allows to do update, if we were delaying one do it now, otherwise
just mark lcb that updates are enabled */
if (p_lcb->upd_disabled == UPD_PENDING)
{
btsnd_hcic_ble_upd_ll_conn_params (p_lcb->handle, p_lcb->min_interval, p_lcb->max_interval,
p_lcb->latency, p_lcb->timeout, 0, 0);
p_lcb->upd_disabled = UPD_UPDATED;
}
else
{
p_lcb->upd_disabled = UPD_ENABLED;
}
}
else
{
/* application requests to disable parameters update. If parameters are already updated, lets set them
up to what has been requested during connection establishement */
if (p_lcb->upd_disabled == UPD_UPDATED)
{
tBTM_SEC_DEV_REC *p_dev_rec = btm_find_or_alloc_dev (rem_bda);
btsnd_hcic_ble_upd_ll_conn_params (p_lcb->handle,
(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)((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)((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) ((p_dev_rec->conn_params.supervision_tout != BTM_BLE_CONN_PARAM_UNDEF) ? p_dev_rec->conn_params.supervision_tout : BTM_BLE_CONN_TIMEOUT_DEF),
0, 0);
}
p_lcb->upd_disabled = UPD_DISABLED;
}
return (TRUE);
}
/*******************************************************************************
**
** 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)
{
BTM_TRACE_WARNING0 ("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 (!btsnd_hcic_ble_create_ll_conn (scan_int,/* UINT16 scan_int */
scan_win, /* UINT16 scan_win */
FALSE, /* UINT8 white_list */
p_lcb->ble_addr_type, /* UINT8 addr_type_peer */
p_lcb->remote_bd_addr, /* BD_ADDR bda_peer */
BLE_ADDR_PUBLIC, /* 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), /* 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_MIN), /* UINT16 conn_int_max */
(UINT16) ((p_dev_rec->conn_params.slave_latency != BTM_BLE_CONN_PARAM_UNDEF) ? p_dev_rec->conn_params.slave_latency : 0), /* 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_SUP_TOUT_DEF), /* UINT16 conn_timeout */
0, /* UINT16 min_len */
0)) /* UINT16 max_len */
{
l2cu_release_lcb (p_lcb);
L2CAP_TRACE_ERROR0("initate direct connection fail, no resources");
return (FALSE);
}
else
{
p_lcb->link_state = LST_CONNECTING;
memcpy (l2cb.ble_connecting_bda, p_lcb->remote_bd_addr, BD_ADDR_LEN);
//Assigning below variable which is checked at LE conn cancel
l2cb.is_ble_connecting=TRUE;
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 l2cble_advertiser_conn_comp
**
** Description This function is called when an HCI Connection Complete
** event is received while we are an advertiser (so we are slave).
**
** Returns void
**
*******************************************************************************/
void l2cble_advertiser_conn_comp (UINT16 handle, BD_ADDR bda, tBLE_ADDR_TYPE type,
UINT16 conn_interval, UINT16 conn_latency, UINT16 conn_timeout)
{
tL2C_LCB *p_lcb;
tBTM_SEC_DEV_REC *p_dev_rec;
/* See if we have a link control block for the remote device */
p_lcb = l2cu_find_lcb_by_bd_addr (bda);
/* If we don't have one, create one and accept the connection. */
if (!p_lcb)
{
p_lcb = l2cu_allocate_lcb (bda, FALSE);
if (!p_lcb)
{
btm_sec_disconnect (handle, HCI_ERR_NO_CONNECTION);
L2CAP_TRACE_ERROR0 ("l2cble_advertiser_conn_comp - failed to allocate LCB");
return;
}
else
{
if (!l2cu_initialize_fixed_ccb (p_lcb, L2CAP_ATT_CID, &l2cb.fixed_reg[L2CAP_ATT_CID - L2CAP_FIRST_FIXED_CHNL].fixed_chnl_opts))
{
btm_sec_disconnect (handle, HCI_ERR_NO_CONNECTION);
L2CAP_TRACE_WARNING0 ("l2cble_scanner_conn_comp - LCB but no CCB");
return ;
}
}
}
/* Save the handle */
p_lcb->handle = handle;
/* Connected OK. Change state to connected, we were advertising, so we are slave */
p_lcb->link_state = LST_CONNECTED;
p_lcb->link_role = HCI_ROLE_SLAVE;
p_lcb->is_ble_link = TRUE;
/* Tell BTM Acl management about the link */
p_dev_rec = btm_find_or_alloc_dev (bda);
btm_acl_created (bda, NULL, p_dev_rec->sec_bd_name, handle, p_lcb->link_role, TRUE);
p_lcb->peer_chnl_mask[0] = L2CAP_FIXED_CHNL_ATT_BIT | L2CAP_FIXED_CHNL_BLE_SIG_BIT | L2CAP_FIXED_CHNL_SMP_BIT;
l2cu_process_fixed_chnl_resp (p_lcb);
}
/*******************************************************************************
**
** Function l2cble_scanner_conn_comp
**
** Description This function is called when an HCI Connection Complete
** event is received while we are a scanner (so we are master).
**
** Returns void
**
*******************************************************************************/
void l2cble_scanner_conn_comp (UINT16 handle, BD_ADDR bda, tBLE_ADDR_TYPE type,
UINT16 conn_interval, UINT16 conn_latency, UINT16 conn_timeout)
{
tL2C_LCB *p_lcb;
tBTM_SEC_DEV_REC *p_dev_rec = btm_find_or_alloc_dev (bda);
L2CAP_TRACE_DEBUG5 ("l2cble_scanner_conn_comp: HANDLE=%d addr_type=%d conn_interval=%d slave_latency=%d supervision_tout=%d",
handle, type, conn_interval, conn_latency, conn_timeout);
l2cb.is_ble_connecting = FALSE;
/* See if we have a link control block for the remote device */
p_lcb = l2cu_find_lcb_by_bd_addr (bda);
/* If we don't have one, create one. this is auto connection complete. */
if (!p_lcb)
{
p_lcb = l2cu_allocate_lcb (bda, FALSE);
if (!p_lcb)
{
btm_sec_disconnect (handle, HCI_ERR_NO_CONNECTION);
L2CAP_TRACE_ERROR0 ("l2cble_scanner_conn_comp - failed to allocate LCB");
return;
}
else
{
if (!l2cu_initialize_fixed_ccb (p_lcb, L2CAP_ATT_CID, &l2cb.fixed_reg[L2CAP_ATT_CID - L2CAP_FIRST_FIXED_CHNL].fixed_chnl_opts))
{
btm_sec_disconnect (handle, HCI_ERR_NO_CONNECTION);
L2CAP_TRACE_WARNING0 ("l2cble_scanner_conn_comp - LCB but no CCB");
return ;
}
}
}
else if (p_lcb->link_state != LST_CONNECTING)
{
L2CAP_TRACE_ERROR1 ("L2CAP got BLE scanner conn_comp in bad state: %d", p_lcb->link_state);
return;
}
btu_stop_timer(&p_lcb->timer_entry);
/* Save the handle */
p_lcb->handle = handle;
/* Connected OK. Change state to connected, we were scanning so we are master */
p_lcb->link_state = LST_CONNECTED;
p_lcb->link_role = HCI_ROLE_MASTER;
p_lcb->is_ble_link = TRUE;
/* If there are any preferred connection parameters, set them now */
if ( (p_dev_rec->conn_params.min_conn_int >= BTM_BLE_CONN_INT_MIN ) &&
(p_dev_rec->conn_params.min_conn_int <= BTM_BLE_CONN_INT_MAX ) &&
(p_dev_rec->conn_params.max_conn_int >= BTM_BLE_CONN_INT_MIN ) &&
(p_dev_rec->conn_params.max_conn_int <= BTM_BLE_CONN_INT_MAX ) &&
(p_dev_rec->conn_params.slave_latency <= BTM_BLE_CONN_LATENCY_MAX ) &&
(p_dev_rec->conn_params.supervision_tout >= BTM_BLE_CONN_SUP_TOUT_MIN) &&
(p_dev_rec->conn_params.supervision_tout <= BTM_BLE_CONN_SUP_TOUT_MAX) &&
((conn_interval < p_dev_rec->conn_params.min_conn_int &&
p_dev_rec->conn_params.min_conn_int != BTM_BLE_CONN_PARAM_UNDEF) ||
(conn_interval > p_dev_rec->conn_params.max_conn_int) ||
(conn_latency > p_dev_rec->conn_params.slave_latency) ||
(conn_timeout > p_dev_rec->conn_params.supervision_tout)))
{
L2CAP_TRACE_ERROR5 ("upd_ll_conn_params: HANDLE=%d min_conn_int=%d max_conn_int=%d slave_latency=%d supervision_tout=%d",
handle, p_dev_rec->conn_params.min_conn_int, p_dev_rec->conn_params.max_conn_int,
p_dev_rec->conn_params.slave_latency, p_dev_rec->conn_params.supervision_tout);
btsnd_hcic_ble_upd_ll_conn_params (handle,
p_dev_rec->conn_params.min_conn_int,
p_dev_rec->conn_params.max_conn_int,
p_dev_rec->conn_params.slave_latency,
p_dev_rec->conn_params.supervision_tout,
0, 0);
}
/* Tell BTM Acl management about the link */
btm_acl_created (bda, NULL, p_dev_rec->sec_bd_name, handle, p_lcb->link_role, TRUE);
if (p_lcb->p_echo_rsp_cb)
{
L2CAP_TRACE_ERROR0 ("l2cu_send_peer_echo_req");
l2cu_send_peer_echo_req (p_lcb, NULL, 0);
}
p_lcb->peer_chnl_mask[0] = L2CAP_FIXED_CHNL_ATT_BIT | L2CAP_FIXED_CHNL_BLE_SIG_BIT | L2CAP_FIXED_CHNL_SMP_BIT;
l2cu_process_fixed_chnl_resp (p_lcb);
}
/*******************************************************************************
**
** 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 l2cble_start_conn_update
**
** Description start BLE connection parameter update process based on status
**
** Parameters: lcb : l2cap link control block
**
** Return value: none
**
*******************************************************************************/
static void l2cble_start_conn_update (tL2C_LCB *p_lcb)
{
UINT16 min_conn_int, max_conn_int, slave_latency, supervision_tout;
tBTM_SEC_DEV_REC *p_dev_rec = btm_find_or_alloc_dev(p_lcb->remote_bd_addr);
tACL_CONN *p_acl_cb = btm_bda_to_acl(p_lcb->remote_bd_addr, BT_TRANSPORT_LE);
if (p_lcb->conn_update_mask & L2C_BLE_UPDATE_PENDING) return;
if (p_lcb->conn_update_mask & L2C_BLE_CONN_UPDATE_DISABLE)
{
/* application requests to disable parameters update.
If parameters are already updated, lets set them
up to what has been requested during connection establishement */
if (p_lcb->conn_update_mask & L2C_BLE_NOT_DEFAULT_PARAM &&
/* current connection interval is greater than default min */
p_lcb->min_interval > BTM_BLE_CONN_INT_MIN)
{
/* use 7.5 ms as fast connection parameter, 0 slave latency */
min_conn_int = max_conn_int = BTM_BLE_CONN_INT_MIN;
slave_latency = BTM_BLE_CONN_SLAVE_LATENCY_DEF;
supervision_tout = BTM_BLE_CONN_TIMEOUT_DEF;
/* if both side 4.1, or we are master device, send HCI command */
if (p_lcb->link_role == HCI_ROLE_MASTER
#if (defined BLE_LLT_INCLUDED) && (BLE_LLT_INCLUDED == TRUE)
|| (HCI_LE_CONN_PARAM_REQ_SUPPORTED(controller_get_interface()->get_features_ble()->as_array) &&
HCI_LE_CONN_PARAM_REQ_SUPPORTED(p_acl_cb->peer_le_features))
#endif
)
{
btsnd_hcic_ble_upd_ll_conn_params(p_lcb->handle, min_conn_int, max_conn_int,
slave_latency, supervision_tout, 0, 0);
p_lcb->conn_update_mask |= L2C_BLE_UPDATE_PENDING;
}
else
{
l2cu_send_peer_ble_par_req (p_lcb, min_conn_int, max_conn_int, slave_latency, supervision_tout);
}
p_lcb->conn_update_mask &= ~L2C_BLE_NOT_DEFAULT_PARAM;
p_lcb->conn_update_mask |= L2C_BLE_NEW_CONN_PARAM;
}
}
else
{
/* application allows to do update, if we were delaying one do it now */
if (p_lcb->conn_update_mask & L2C_BLE_NEW_CONN_PARAM)
{
/* if both side 4.1, or we are master device, send HCI command */
if (p_lcb->link_role == HCI_ROLE_MASTER
#if (defined BLE_LLT_INCLUDED) && (BLE_LLT_INCLUDED == TRUE)
|| (HCI_LE_CONN_PARAM_REQ_SUPPORTED(controller_get_interface()->get_features_ble()->as_array) &&
HCI_LE_CONN_PARAM_REQ_SUPPORTED(p_acl_cb->peer_le_features))
#endif
)
{
btsnd_hcic_ble_upd_ll_conn_params(p_lcb->handle, p_lcb->min_interval,
p_lcb->max_interval, p_lcb->latency, p_lcb->timeout, 0, 0);
p_lcb->conn_update_mask |= L2C_BLE_UPDATE_PENDING;
}
else
{
l2cu_send_peer_ble_par_req (p_lcb, p_lcb->min_interval, p_lcb->max_interval,
p_lcb->latency, p_lcb->timeout);
}
p_lcb->conn_update_mask &= ~L2C_BLE_NEW_CONN_PARAM;
p_lcb->conn_update_mask |= L2C_BLE_NOT_DEFAULT_PARAM;
}
}
}
/*******************************************************************************
**
** Function l2cble_advertiser_conn_comp
**
** Description This function is called when an HCI Connection Complete
** event is received while we are an advertiser (so we are slave).
**
** Returns void
**
*******************************************************************************/
void l2cble_advertiser_conn_comp (UINT16 handle, BD_ADDR bda, tBLE_ADDR_TYPE type,
UINT16 conn_interval, UINT16 conn_latency, UINT16 conn_timeout)
{
int i;
tL2C_LCB *p_lcb;
tBTM_SEC_DEV_REC *p_dev_rec;
UNUSED(type);
UNUSED(conn_interval);
UNUSED(conn_latency);
UNUSED(conn_timeout);
/* See if we have a link control block for the remote device */
p_lcb = l2cu_find_lcb_by_bd_addr (bda, BT_TRANSPORT_LE);
/* If we don't have one, create one and accept the connection. */
if (!p_lcb)
{
p_lcb = l2cu_allocate_lcb (bda, FALSE, BT_TRANSPORT_LE);
if (!p_lcb)
{
btm_sec_disconnect (handle, HCI_ERR_NO_CONNECTION);
L2CAP_TRACE_ERROR ("l2cble_advertiser_conn_comp - failed to allocate LCB");
return;
}
else
{
if (!l2cu_initialize_fixed_ccb (p_lcb, L2CAP_ATT_CID, &l2cb.fixed_reg[L2CAP_ATT_CID - L2CAP_FIRST_FIXED_CHNL].fixed_chnl_opts))
{
btm_sec_disconnect (handle, HCI_ERR_NO_CONNECTION);
L2CAP_TRACE_WARNING ("l2cble_scanner_conn_comp - LCB but no CCB");
return ;
}
}
}
/* Save the handle */
p_lcb->handle = handle;
/* Connected OK. Change state to connected, we were advertising, so we are slave */
p_lcb->link_role = HCI_ROLE_SLAVE;
p_lcb->transport = BT_TRANSPORT_LE;
/* update link parameter, set slave link as non-spec default upon link up */
p_lcb->min_interval = p_lcb->max_interval = conn_interval;
p_lcb->timeout = conn_timeout;
p_lcb->latency = conn_latency;
p_lcb->conn_update_mask = L2C_BLE_NOT_DEFAULT_PARAM;
/* Tell BTM Acl management about the link */
p_dev_rec = btm_find_or_alloc_dev (bda);
btm_acl_created (bda, NULL, p_dev_rec->sec_bd_name, handle, p_lcb->link_role, BT_TRANSPORT_LE);
#if BLE_PRIVACY_SPT == TRUE
btm_ble_disable_resolving_list(BTM_BLE_RL_ADV, TRUE);
#endif
p_lcb->peer_chnl_mask[0] = L2CAP_FIXED_CHNL_ATT_BIT | L2CAP_FIXED_CHNL_BLE_SIG_BIT | L2CAP_FIXED_CHNL_SMP_BIT;
if (!HCI_LE_SLAVE_INIT_FEAT_EXC_SUPPORTED(controller_get_interface()->get_features_ble()->as_array))
{
p_lcb->link_state = LST_CONNECTED;
l2cu_process_fixed_chnl_resp (p_lcb);
}
/* when adv and initiating are both active, cancel the direct connection */
if (l2cb.is_ble_connecting && memcmp(bda, l2cb.ble_connecting_bda, BD_ADDR_LEN) == 0)
{
L2CA_CancelBleConnectReq(bda);
}
}
/*******************************************************************************
**
** 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);
}
}
