/*******************************************************************************
**
** Function PORT_PortNegCnf
**
** Description This function is called from the RFCOMM layer to change
** state for the port. Propagate change to the user.
**
*******************************************************************************/
void PORT_PortNegCnf (tRFC_MCB *p_mcb, UINT8 dlci, tPORT_STATE *p_pars, UINT16 result)
{
tPORT *p_port = port_find_mcb_dlci_port (p_mcb, dlci);
UNUSED(p_pars);
RFCOMM_TRACE_EVENT ("PORT_PortNegCnf");
if (!p_port) {
RFCOMM_TRACE_WARNING ("PORT_PortNegCnf no port");
return;
}
/* Port negotiation failed. Drop the connection */
if (result != RFCOMM_SUCCESS) {
p_port->error = PORT_PORT_NEG_FAILED;
RFCOMM_DlcReleaseReq (p_mcb, p_port->dlci);
port_rfc_closed (p_port, PORT_PORT_NEG_FAILED);
return;
}
if (!(p_port->port_ctrl & PORT_CTRL_REQ_SENT)) {
RFCOMM_ControlReq (p_port->rfc.p_mcb, p_port->dlci, &p_port->local_ctrl);
} else {
RFCOMM_TRACE_WARNING ("PORT_PortNegCnf Control Already sent");
}
}
/*******************************************************************************
**
** Function port_start_control
**
** Description This function is called in the BTU_TASK context to
** send control information
**
** Returns void
**
*******************************************************************************/
void port_start_control (tPORT *p_port)
{
tRFC_MCB *p_mcb = p_port->rfc.p_mcb;
if (p_mcb == NULL)
return;
RFCOMM_ControlReq (p_mcb, p_port->dlci, &p_port->local_ctrl);
}
/*******************************************************************************
**
** Function PORT_ControlInd
**
** Description This function is called from the RFCOMM layer on the modem
** signal change. Propagate change to the user.
**
*******************************************************************************/
void PORT_ControlInd (tRFC_MCB *p_mcb, UINT8 dlci, tPORT_CTRL *p_pars)
{
tPORT *p_port = port_find_mcb_dlci_port (p_mcb, dlci);
UINT32 event;
UINT8 old_signals;
RFCOMM_TRACE_EVENT ("PORT_ControlInd");
if (!p_port) {
return;
}
old_signals = p_port->peer_ctrl.modem_signal;
event = port_get_signal_changes (p_port, old_signals, p_pars->modem_signal);
p_port->peer_ctrl = *p_pars;
if (!(p_port->port_ctrl & PORT_CTRL_REQ_SENT)) {
RFCOMM_ControlReq (p_port->rfc.p_mcb, p_port->dlci, &p_port->local_ctrl);
} else {
/* If this is the first time we received control RFCOMM is connected */
if (!(p_port->port_ctrl & PORT_CTRL_IND_RECEIVED)) {
event |= (PORT_EV_CONNECTED & p_port->ev_mask);
}
if (p_port->port_ctrl & PORT_CTRL_REQ_CONFIRMED) {
event |= port_rfc_send_tx_data(p_port);
}
}
p_port->port_ctrl |= (PORT_CTRL_IND_RECEIVED | PORT_CTRL_IND_RESPONDED);
if (p_pars->break_signal) {
event |= (PORT_EV_BREAK & p_port->ev_mask);
}
/* execute call back function only if the application is registered for events */
if (event && p_port->p_callback) {
(p_port->p_callback)(event, p_port->inx);
}
RFCOMM_TRACE_EVENT ("PORT_ControlInd DTR_DSR : %d, RTS_CTS : %d, RI : %d, DCD : %d",
((p_port->peer_ctrl.modem_signal & MODEM_SIGNAL_DTRDSR) ? 1 : 0),
((p_port->peer_ctrl.modem_signal & MODEM_SIGNAL_RTSCTS) ? 1 : 0),
((p_port->peer_ctrl.modem_signal & MODEM_SIGNAL_RI) ? 1 : 0),
((p_port->peer_ctrl.modem_signal & MODEM_SIGNAL_DCD) ? 1 : 0));
}
/*******************************************************************************
**
** Function PORT_DlcEstablishCnf
**
** Description This function is called from the RFCOMM layer when peer
** acknowledges establish procedure (SABME/UA). Send reply
** to the user and set state to OPENED if result was
** successfull.
**
*******************************************************************************/
void PORT_DlcEstablishCnf (tRFC_MCB *p_mcb, UINT8 dlci, UINT16 mtu, UINT16 result)
{
tPORT *p_port = port_find_mcb_dlci_port (p_mcb, dlci);
RFCOMM_TRACE_EVENT ("PORT_DlcEstablishCnf dlci:%d mtu:%d result:%d", dlci, mtu, result);
if (!p_port) {
return;
}
if (result != RFCOMM_SUCCESS) {
p_port->error = PORT_START_FAILED;
port_rfc_closed (p_port, PORT_START_FAILED);
return;
}
/* If L2CAP's mtu less then RFCOMM's take it */
if (mtu && (mtu < p_port->peer_mtu)) {
p_port->peer_mtu = mtu;
}
/* If there was an inactivity timer running for MCB stop it */
rfc_timer_stop (p_mcb);
if (p_port->p_callback && (p_port->ev_mask & PORT_EV_CONNECTED)) {
(p_port->p_callback)(PORT_EV_CONNECTED, p_port->inx);
}
if (p_port->p_mgmt_callback) {
p_port->p_mgmt_callback (PORT_SUCCESS, p_port->inx);
}
p_port->state = PORT_STATE_OPENED;
/* RPN is required only if we want to tell DTE how the port should be opened */
if ((p_port->uuid == UUID_SERVCLASS_DIALUP_NETWORKING)
|| (p_port->uuid == UUID_SERVCLASS_FAX)) {
RFCOMM_PortNegReq (p_port->rfc.p_mcb, p_port->dlci, NULL);
} else {
RFCOMM_ControlReq (p_port->rfc.p_mcb, p_port->dlci, &p_port->local_ctrl);
}
}
