/*******************************************************************************
**
** Function         btm_ble_dequeue_direct_conn_req
**
** Description      This function dequeues the direct connection request
**
** Returns          None.
**
*******************************************************************************/
void btm_ble_dequeue_direct_conn_req(BD_ADDR rem_bda)
{
    tBTM_BLE_CONN_REQ   *p_req = NULL;
    tL2C_LCB *p_lcb;
    if(btm_cb.ble_ctr_cb.conn_pending_q.count)
    {
        p_req = (tBTM_BLE_CONN_REQ*)GKI_getfirst(&btm_cb.ble_ctr_cb.conn_pending_q);
    }
    while(p_req != NULL)
    {
        p_lcb = (tL2C_LCB *)p_req->p_param;
        if((p_lcb != NULL) && (p_lcb->in_use))
        {
            //If BD address matches
            if(!memcmp (rem_bda, p_lcb->remote_bd_addr, BD_ADDR_LEN))
            {
                GKI_remove_from_queue(&btm_cb.ble_ctr_cb.conn_pending_q, p_req);
                l2cu_release_lcb ((tL2C_LCB *)p_req->p_param);
                GKI_freebuf((void *)p_req);
                break;
            }
        }
        p_req = (tBTM_BLE_CONN_REQ*)GKI_getnext(p_req);
    }
}
/*******************************************************************************
**
** 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        L2CA_CancelBleConnectReq
**
**  Description     Cancel a pending connection attempt to a BLE device.
**
**  Parameters:     BD Address of remote
**
**  Return value:   TRUE if connection was cancelled
**
*******************************************************************************/
BOOLEAN L2CA_CancelBleConnectReq (BD_ADDR rem_bda)
{
    tL2C_LCB *p_lcb;
    BOOLEAN rem_lcb = TRUE;

    /* There can be only one BLE connection request outstanding at a time */
    if (btm_ble_get_conn_st() == BLE_CONN_IDLE)
    {
        L2CAP_TRACE_WARNING ("L2CA_CancelBleConnectReq - no connection pending");
        return(FALSE);
    }

    if (memcmp (rem_bda, l2cb.ble_connecting_bda, BD_ADDR_LEN))
    {
        L2CAP_TRACE_WARNING ("L2CA_CancelBleConnectReq - different  BDA Connecting: %08x%04x  Cancel: %08x%04x",
                             (l2cb.ble_connecting_bda[0]<<24)+(l2cb.ble_connecting_bda[1]<<16)+(l2cb.ble_connecting_bda[2]<<8)+l2cb.ble_connecting_bda[3],
                             (l2cb.ble_connecting_bda[4]<<8)+l2cb.ble_connecting_bda[5],
                             (rem_bda[0]<<24)+(rem_bda[1]<<16)+(rem_bda[2]<<8)+rem_bda[3], (rem_bda[4]<<8)+rem_bda[5]);
        btm_ble_dequeue_direct_conn_req(rem_bda);
        return(FALSE);
    }

    if (btsnd_hcic_ble_create_conn_cancel())
    {
        p_lcb = l2cu_find_lcb_by_bd_addr(rem_bda, BT_TRANSPORT_LE);
        /*Do not remove lcb if a LE link is already up as peripheral*/
        if(p_lcb != NULL && p_lcb->link_role == HCI_ROLE_SLAVE && BTM_ACL_IS_CONNECTED(rem_bda))
        {
            rem_lcb = FALSE;
        }

        if (rem_lcb && p_lcb != NULL)
        {
            p_lcb->disc_reason = L2CAP_CONN_CANCEL;
            l2cu_release_lcb (p_lcb);
        }
        /* update state to be cancel, wait for connection cancel complete */
        btm_ble_set_conn_st (BLE_CONN_CANCEL);

        return(TRUE);
    }
    else
        return(FALSE);
}
/*******************************************************************************
**
**  Function        L2CA_CancelBleConnectReq
**
**  Description     Cancel a pending connection attempt to a BLE device.
**
**  Parameters:     BD Address of remote
**
**  Return value:   TRUE if connection was cancelled
**
*******************************************************************************/
BOOLEAN L2CA_CancelBleConnectReq (BD_ADDR rem_bda)
{
    tL2C_LCB *p_lcb;

    /* There can be only one BLE connection request outstanding at a time */
    //changed check for BLE_CONN_IDLE instead of incorrect BLE_DIR_CONN for no pending connection
    if (btm_ble_get_conn_st() == BLE_CONN_IDLE)
    {
        L2CAP_TRACE_WARNING0 ("L2CA_CancelBleConnectReq - no connection pending");
        return(FALSE);
    }

    if (memcmp (rem_bda, l2cb.ble_connecting_bda, BD_ADDR_LEN))
    {
        L2CAP_TRACE_WARNING4 ("L2CA_CancelBleConnectReq - different  BDA Connecting: %08x%04x  Cancel: %08x%04x",
                              (l2cb.ble_connecting_bda[0]<<24)+(l2cb.ble_connecting_bda[1]<<16)+(l2cb.ble_connecting_bda[2]<<8)+l2cb.ble_connecting_bda[3],
                              (l2cb.ble_connecting_bda[4]<<8)+l2cb.ble_connecting_bda[5],
                              (rem_bda[0]<<24)+(rem_bda[1]<<16)+(rem_bda[2]<<8)+rem_bda[3], (rem_bda[4]<<8)+rem_bda[5]);

        return(FALSE);
    }

    if (btsnd_hcic_ble_create_conn_cancel())
    {

        if ((p_lcb = l2cu_find_lcb_by_bd_addr (rem_bda)) != NULL)
        {
            p_lcb->disc_reason = L2CAP_CONN_CANCEL;
            l2cu_release_lcb (p_lcb);
        }
        /* update conn state to IDLE */
        btm_ble_set_conn_st (BLE_CONN_IDLE);

        return(TRUE);
    }
    else
        return(FALSE);
}
예제 #5
0
/*******************************************************************************
**
** 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_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);
    }
}