/*******************************************************************************
**
** Function gatt_disconnect
**
** Description This function is called to disconnect to an ATT device.
**
** Parameter rem_bda: remote device address to disconnect from.
**
** Returns TRUE: if connection found and to be disconnected; otherwise
** return FALSE.
**
*******************************************************************************/
BOOLEAN gatt_disconnect (BD_ADDR rem_bda)
{
tGATT_TCB *p_tcb = gatt_find_tcb_by_addr(rem_bda);
BOOLEAN ret = FALSE;
tGATT_CH_STATE ch_state;
GATT_TRACE_DEBUG0 ("gatt_disconnect ");
if (p_tcb != NULL)
{
ret = TRUE;
if ( (ch_state = gatt_get_ch_state(p_tcb)) != GATT_CH_CLOSING )
{
if (p_tcb->att_lcid == L2CAP_ATT_CID)
{
if (ch_state == GATT_CH_OPEN)
{
/* only LCB exist between remote device and local */
ret = L2CA_RemoveFixedChnl (L2CAP_ATT_CID, rem_bda);
}
else
{
gatt_set_ch_state(p_tcb, GATT_CH_CLOSING);
ret = L2CA_CancelBleConnectReq (rem_bda);
}
}
else
{
ret = L2CA_DisconnectReq(p_tcb->att_lcid);
}
}
else
{
GATT_TRACE_DEBUG0 ("gatt_disconnect already in closing state");
}
}
return ret;
}
/*******************************************************************************
**
** 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);
}
}
