/*******************************************************************************
**
** Function rfc_mx_conf_cnf
**
** Description This function handles L2CA_ConfigCnf message from the
** L2CAP. If result is not success tell upper layer that
** start has not been accepted. If initiator send SABME
** on DLCI 0. T1 is still running.
**
*******************************************************************************/
static void rfc_mx_conf_cnf (tRFC_MCB *p_mcb, tL2CAP_CFG_INFO *p_cfg)
{
RFCOMM_TRACE_EVENT2 ("rfc_mx_conf_cnf p_cfg:%08x res:%d ", p_cfg, (p_cfg) ? p_cfg->result : 0);
if (p_cfg->result != L2CAP_CFG_OK)
{
if (p_mcb->is_initiator)
{
PORT_StartCnf (p_mcb, p_cfg->result);
L2CA_DisconnectReq (p_mcb->lcid);
}
rfc_release_multiplexer_channel (p_mcb);
return;
}
p_mcb->local_cfg_sent = TRUE;
if ((p_mcb->state == RFC_MX_STATE_CONFIGURE) && p_mcb->peer_cfg_rcvd)
{
if (p_mcb->is_initiator)
{
p_mcb->state = RFC_MX_STATE_SABME_WAIT_UA;
rfc_send_sabme (p_mcb, RFCOMM_MX_DLCI);
rfc_timer_start (p_mcb, RFC_T1_TIMEOUT);
}
else
{
p_mcb->state = RFC_MX_STATE_WAIT_SABME;
rfc_timer_start (p_mcb, RFC_T2_TIMEOUT);
}
}
}
/*******************************************************************************
**
** Function PORT_StartCnf
**
** Description This function is called from the RFCOMM layer when
** establishing of the multiplexer channel is completed.
** Continue establishing of the connection for all ports that
** are in the OPENING state
**
*******************************************************************************/
void PORT_StartCnf (tRFC_MCB *p_mcb, UINT16 result)
{
tPORT *p_port;
int i;
BOOLEAN no_ports_up = TRUE;
RFCOMM_TRACE_EVENT ("PORT_StartCnf result:%d", result);
p_port = &rfc_cb.port.port[0];
for (i = 0; i < MAX_RFC_PORTS; i++, p_port++)
{
if (p_port->rfc.p_mcb == p_mcb)
{
no_ports_up = FALSE;
if (result == RFCOMM_SUCCESS)
RFCOMM_ParNegReq (p_mcb, p_port->dlci, p_port->mtu);
else
{
RFCOMM_TRACE_WARNING ("PORT_StartCnf failed result:%d", result);
/* Warning: result is also set to 4 when l2cap connection
fails due to l2cap connect cnf (no_resources) */
if( result == HCI_ERR_PAGE_TIMEOUT )
p_port->error = PORT_PAGE_TIMEOUT;
else
p_port->error = PORT_START_FAILED;
rfc_release_multiplexer_channel (p_mcb);
p_port->rfc.p_mcb = NULL;
/* Send event to the application */
if (p_port->p_callback && (p_port->ev_mask & PORT_EV_CONNECT_ERR))
(p_port->p_callback)(PORT_EV_CONNECT_ERR, p_port->inx);
if (p_port->p_mgmt_callback)
p_port->p_mgmt_callback (PORT_START_FAILED, p_port->inx);
port_release_port (p_port);
}
}
}
/* There can be a situation when after starting connection, user closes the */
/* port, we can catch it here to close multiplexor channel */
if (no_ports_up)
{
rfc_check_mcb_active (p_mcb);
}
}
/*******************************************************************************
**
** Function PORT_CloseInd
**
** Description This function is called from the RFCOMM layer when
** multiplexer connection is released.
**
*******************************************************************************/
void PORT_CloseInd (tRFC_MCB *p_mcb)
{
tPORT *p_port;
int i;
RFCOMM_TRACE_EVENT ("PORT_CloseInd");
p_port = &rfc_cb.port.port[0];
for (i = 0; i < MAX_RFC_PORTS; i++, p_port++) {
if (p_port->rfc.p_mcb == p_mcb) {
port_rfc_closed (p_port, PORT_PEER_CONNECTION_FAILED);
}
}
rfc_release_multiplexer_channel (p_mcb);
}
/*******************************************************************************
**
** Function rfc_mx_sm_state_disc_wait_ua
**
** Description This function handles events when the multiplexer sent
** DISC and is waiting for UA reply.
**
** Returns void
**
*******************************************************************************/
void rfc_mx_sm_state_disc_wait_ua (tRFC_MCB *p_mcb, UINT16 event, void *p_data)
{
BT_HDR *p_buf;
RFCOMM_TRACE_EVENT1 ("rfc_mx_sm_state_disc_wait_ua - evt:%d", event);
switch (event)
{
case RFC_EVENT_UA:
case RFC_EVENT_DM:
case RFC_EVENT_TIMEOUT:
L2CA_DisconnectReq (p_mcb->lcid);
if (p_mcb->restart_required)
{
/* Start Request was received while disconnecting. Execute it again */
if ((p_mcb->lcid = L2CA_ConnectReq (BT_PSM_RFCOMM, p_mcb->bd_addr)) == 0)
{
PORT_StartCnf (p_mcb, RFCOMM_ERROR);
return;
}
/* Save entry for quicker access to mcb based on the LCID */
rfc_save_lcid_mcb (p_mcb, p_mcb->lcid);
/* clean up before reuse it */
while ((p_buf = (BT_HDR *)GKI_dequeue(&p_mcb->cmd_q)) != NULL)
GKI_freebuf(p_buf);
rfc_timer_start (p_mcb, RFC_MCB_INIT_INACT_TIMER);
p_mcb->is_initiator = TRUE;
p_mcb->restart_required = FALSE;
p_mcb->local_cfg_sent = FALSE;
p_mcb->peer_cfg_rcvd = FALSE;
p_mcb->state = RFC_MX_STATE_WAIT_CONN_CNF;
return;
}
rfc_release_multiplexer_channel (p_mcb);
return;
case RFC_EVENT_DISC:
rfc_send_ua (p_mcb, RFCOMM_MX_DLCI);
return;
case RFC_EVENT_UIH:
GKI_freebuf (p_data);
rfc_send_dm (p_mcb, RFCOMM_MX_DLCI, FALSE);
return;
case RFC_MX_EVENT_START_REQ:
p_mcb->restart_required = TRUE;
return;
case RFC_MX_EVENT_DISC_IND:
p_mcb->state = RFC_MX_STATE_IDLE;
PORT_CloseInd (p_mcb);
return;
case RFC_MX_EVENT_CLOSE_REQ:
return;
case RFC_MX_EVENT_QOS_VIOLATION_IND:
break;
}
RFCOMM_TRACE_EVENT2 ("RFCOMM MX ignored - evt:%d in state:%d", event, p_mcb->state);
}
