252 lines
6.8 KiB
C
252 lines
6.8 KiB
C
/*
|
|
* Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
*---------------------------------------------------------------------------
|
|
*
|
|
* i4b_l2timer.c - layer 2 timer handling
|
|
* --------------------------------------
|
|
*
|
|
* $Id: i4b_l2timer.c,v 1.20 2000/08/24 11:48:58 hm Exp $
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
* last edit-date: [Thu Aug 24 12:48:52 2000]
|
|
*
|
|
*---------------------------------------------------------------------------*/
|
|
|
|
#ifdef __FreeBSD__
|
|
#include "i4bq921.h"
|
|
#else
|
|
#define NI4BQ921 1
|
|
#endif
|
|
#if NI4BQ921 > 0
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/socket.h>
|
|
#include <net/if.h>
|
|
|
|
#if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
|
|
#include <sys/callout.h>
|
|
#endif
|
|
|
|
#ifdef __FreeBSD__
|
|
#include <machine/i4b_debug.h>
|
|
#else
|
|
#include <i4b/i4b_debug.h>
|
|
#include <i4b/i4b_ioctl.h>
|
|
#endif
|
|
|
|
#include <i4b/include/i4b_global.h>
|
|
|
|
#include <i4b/layer2/i4b_l2.h>
|
|
#include <i4b/layer2/i4b_l2fsm.h>
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* Q.921 timer T200 timeout function
|
|
*---------------------------------------------------------------------------*/
|
|
static void
|
|
i4b_T200_timeout(l2_softc_t *l2sc)
|
|
{
|
|
NDBGL2(L2_T_ERR, "unit %d, RC = %d", l2sc->unit, l2sc->RC);
|
|
i4b_next_l2state(l2sc, EV_T200EXP);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* Q.921 timer T200 start
|
|
*---------------------------------------------------------------------------*/
|
|
void
|
|
i4b_T200_start(l2_softc_t *l2sc)
|
|
{
|
|
if(l2sc->T200 == TIMER_ACTIVE)
|
|
return;
|
|
|
|
NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
|
|
l2sc->T200 = TIMER_ACTIVE;
|
|
|
|
START_TIMER(l2sc->T200_callout, i4b_T200_timeout, l2sc, T200DEF);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* Q.921 timer T200 stop
|
|
*---------------------------------------------------------------------------*/
|
|
void
|
|
i4b_T200_stop(l2_softc_t *l2sc)
|
|
{
|
|
CRIT_VAR;
|
|
CRIT_BEG;
|
|
if(l2sc->T200 != TIMER_IDLE)
|
|
{
|
|
STOP_TIMER(l2sc->T200_callout, i4b_T200_timeout, l2sc);
|
|
l2sc->T200 = TIMER_IDLE;
|
|
}
|
|
CRIT_END;
|
|
NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* Q.921 timer T200 restart
|
|
*---------------------------------------------------------------------------*/
|
|
void
|
|
i4b_T200_restart(l2_softc_t *l2sc)
|
|
{
|
|
CRIT_VAR;
|
|
CRIT_BEG;
|
|
if(l2sc->T200 != TIMER_IDLE)
|
|
{
|
|
STOP_TIMER(l2sc->T200_callout, i4b_T200_timeout, l2sc);
|
|
}
|
|
else
|
|
{
|
|
l2sc->T200 = TIMER_ACTIVE;
|
|
}
|
|
|
|
START_TIMER(l2sc->T200_callout, i4b_T200_timeout, l2sc, T200DEF);
|
|
CRIT_END;
|
|
NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* Q.921 timer T202 timeout function
|
|
*---------------------------------------------------------------------------*/
|
|
static void
|
|
i4b_T202_timeout(l2_softc_t *l2sc)
|
|
{
|
|
NDBGL2(L2_T_ERR, "unit %d, N202 = %d", l2sc->unit, l2sc->N202);
|
|
|
|
if(--(l2sc->N202))
|
|
{
|
|
(*l2sc->T202func)(l2sc);
|
|
}
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* Q.921 timer T202 start
|
|
*---------------------------------------------------------------------------*/
|
|
void
|
|
i4b_T202_start(l2_softc_t *l2sc)
|
|
{
|
|
if (l2sc->N202 == TIMER_ACTIVE)
|
|
return;
|
|
|
|
NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
|
|
l2sc->N202 = N202DEF;
|
|
l2sc->T202 = TIMER_ACTIVE;
|
|
|
|
START_TIMER(l2sc->T202_callout, i4b_T202_timeout, l2sc, T202DEF);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* Q.921 timer T202 stop
|
|
*---------------------------------------------------------------------------*/
|
|
void
|
|
i4b_T202_stop(l2_softc_t *l2sc)
|
|
{
|
|
CRIT_VAR;
|
|
CRIT_BEG;
|
|
if(l2sc->T202 != TIMER_IDLE)
|
|
{
|
|
STOP_TIMER(l2sc->T202_callout, i4b_T202_timeout, l2sc);
|
|
l2sc->T202 = TIMER_IDLE;
|
|
}
|
|
CRIT_END;
|
|
NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* Q.921 timer T203 timeout function
|
|
*---------------------------------------------------------------------------*/
|
|
#if I4B_T203_ACTIVE
|
|
static void
|
|
i4b_T203_timeout(l2_softc_t *l2sc)
|
|
{
|
|
NDBGL2(L2_T_ERR, "unit %d", l2sc->unit);
|
|
i4b_next_l2state(l2sc, EV_T203EXP);
|
|
}
|
|
#endif
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* Q.921 timer T203 start
|
|
*---------------------------------------------------------------------------*/
|
|
void
|
|
i4b_T203_start(l2_softc_t *l2sc)
|
|
{
|
|
#if I4B_T203_ACTIVE
|
|
if (l2sc->T203 == TIMER_ACTIVE)
|
|
return;
|
|
|
|
NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
|
|
l2sc->T203 = TIMER_ACTIVE;
|
|
|
|
START_TIMER(l2sc->T203_callout, i4b_T203_timeout, l2sc, T203DEF);
|
|
#endif
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* Q.921 timer T203 stop
|
|
*---------------------------------------------------------------------------*/
|
|
void
|
|
i4b_T203_stop(l2_softc_t *l2sc)
|
|
{
|
|
#if I4B_T203_ACTIVE
|
|
CRIT_VAR;
|
|
CRIT_BEG;
|
|
if(l2sc->T203 != TIMER_IDLE)
|
|
{
|
|
STOP_TIMER(l2sc->T203_callout, i4b_T203_timeout, l2sc);
|
|
l2sc->T203 = TIMER_IDLE;
|
|
}
|
|
CRIT_END;
|
|
NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
|
|
#endif
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*
|
|
* Q.921 timer T203 restart
|
|
*---------------------------------------------------------------------------*/
|
|
void
|
|
i4b_T203_restart(l2_softc_t *l2sc)
|
|
{
|
|
#if I4B_T203_ACTIVE
|
|
CRIT_VAR;
|
|
CRIT_BEG;
|
|
|
|
if(l2sc->T203 != TIMER_IDLE)
|
|
{
|
|
STOP_TIMER(l2sc->T203_callout, i4b_T203_timerout, l2sc);
|
|
}
|
|
else
|
|
{
|
|
l2sc->T203 = TIMER_ACTIVE;
|
|
}
|
|
|
|
START_TIMER(l2sc->T203_callout, i4b_T203_timerout, l2sc, T203DEF);
|
|
CRIT_END;
|
|
NDBGL2(L2_T_MSG, "unit %d", l2sc->unit);
|
|
#endif
|
|
}
|
|
|
|
#endif /* NI4BQ921 > 0 */
|