f530ae9333
There really is no such state, but there probably should have been one. In any case, we do have one just to make the code simpler, but this should not appear in the management responses. This patch fixes the issue by covering over our tracks before sending a response. Signed-off-by: Richard Cochran <richardcochran@gmail.com>
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/**
|
|
* @file fsm.h
|
|
* @brief The finite state machine for ports on boundary and ordinary clocks.
|
|
* @note Copyright (C) 2011 Richard Cochran <richardcochran@gmail.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
#ifndef HAVE_FSM_H
|
|
#define HAVE_FSM_H
|
|
|
|
/** Defines the state of a port. */
|
|
enum port_state {
|
|
PS_INITIALIZING = 1,
|
|
PS_FAULTY,
|
|
PS_DISABLED,
|
|
PS_LISTENING,
|
|
PS_PRE_MASTER,
|
|
PS_MASTER,
|
|
PS_PASSIVE,
|
|
PS_UNCALIBRATED,
|
|
PS_SLAVE,
|
|
PS_GRAND_MASTER, /*non-standard extension*/
|
|
};
|
|
|
|
/** Defines the events for the port state machine. */
|
|
enum fsm_event {
|
|
EV_NONE,
|
|
EV_POWERUP,
|
|
EV_INITIALIZE,
|
|
EV_DESIGNATED_ENABLED,
|
|
EV_DESIGNATED_DISABLED,
|
|
EV_FAULT_CLEARED,
|
|
EV_FAULT_DETECTED,
|
|
EV_STATE_DECISION_EVENT,
|
|
EV_QUALIFICATION_TIMEOUT_EXPIRES,
|
|
EV_ANNOUNCE_RECEIPT_TIMEOUT_EXPIRES,
|
|
EV_SYNCHRONIZATION_FAULT,
|
|
EV_MASTER_CLOCK_SELECTED,
|
|
EV_RS_MASTER,
|
|
EV_RS_GRAND_MASTER,
|
|
EV_RS_SLAVE,
|
|
EV_RS_PASSIVE,
|
|
};
|
|
|
|
/**
|
|
* Run the state machine for a BC or OC port.
|
|
* @param state The current state of the port.
|
|
* @param event The event to be processed.
|
|
* @param mdiff Whether a new master has been selected.
|
|
* @return The new state for the port.
|
|
*/
|
|
enum port_state ptp_fsm(enum port_state state, enum fsm_event event, int mdiff);
|
|
|
|
/**
|
|
* Run the state machine for a slave only clock.
|
|
* @param state The current state of the port.
|
|
* @param event The event to be processed.
|
|
* @param mdiff Whether a new master has been selected.
|
|
* @return The new state for the port.
|
|
*/
|
|
enum port_state ptp_slave_fsm(enum port_state state, enum fsm_event event,
|
|
int mdiff);
|
|
|
|
#endif
|