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freebsd-nq/sys/i4b/layer3/i4b_l3timer.c

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/*
* Copyright (c) 1997, 1999 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_l3timer.c - timer and timeout handling for layer 3
* ------------------------------------------------------
*
* $Id: i4b_l3timer.c,v 1.12 1999/04/21 07:50:31 hm Exp $
*
* last edit-date: [Wed Apr 21 09:46:59 1999]
*
*---------------------------------------------------------------------------*/
#ifdef __FreeBSD__
#include "i4bq931.h"
#else
#define NI4BQ931 1
#endif
#if NI4BQ931 > 0
#include <sys/param.h>
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
#include <sys/ioccom.h>
#else
#include <sys/ioctl.h>
#endif
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <net/if.h>
#ifdef __FreeBSD__
#include <machine/i4b_debug.h>
#include <machine/i4b_ioctl.h>
#else
#include <i4b/i4b_debug.h>
#include <i4b/i4b_ioctl.h>
#endif
#include <i4b/include/i4b_global.h>
#include <i4b/include/i4b_isdnq931.h>
#include <i4b/include/i4b_l2l3.h>
#include <i4b/include/i4b_l3l4.h>
#include <i4b/include/i4b_mbuf.h>
#include <i4b/layer3/i4b_l3.h>
#include <i4b/layer3/i4b_l3fsm.h>
#include <i4b/layer3/i4b_q931.h>
#include <i4b/layer4/i4b_l4.h>
/*---------------------------------------------------------------------------*
* stop all layer 3 timers
*---------------------------------------------------------------------------*/
void i4b_l3_stop_all_timers(call_desc_t *cd)
{
T303_stop(cd);
T305_stop(cd);
T308_stop(cd);
T309_stop(cd);
T310_stop(cd);
T313_stop(cd);
}
/*---------------------------------------------------------------------------*
* timer T303 timeout function
*---------------------------------------------------------------------------*/
static void
T303_timeout(call_desc_t *cd)
{
DBGL3(L3_T_ERR, "T303_timeout", ("SETUP not answered, cr = %d\n", cd->cr));
next_l3state(cd, EV_T303EXP);
}
/*---------------------------------------------------------------------------*
* timer T303 start
*---------------------------------------------------------------------------*/
void
T303_start(call_desc_t *cd)
{
if (cd->T303 == TIMER_ACTIVE)
return;
DBGL3(L3_T_MSG, "T303_start", ("cr = %d\n", cd->cr));
cd->T303 = TIMER_ACTIVE;
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
cd->T303_callout = timeout((TIMEOUT_FUNC_T)T303_timeout, (void *)cd, T303VAL);
#else
timeout((TIMEOUT_FUNC_T)T303_timeout, (void *)cd, T303VAL);
#endif
}
/*---------------------------------------------------------------------------*
* timer T303 stop
*---------------------------------------------------------------------------*/
void
T303_stop(call_desc_t *cd)
{
CRIT_VAR;
CRIT_BEG;
if(cd->T303 != TIMER_IDLE)
{
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
untimeout((TIMEOUT_FUNC_T)T303_timeout, (void *)cd, cd->T303_callout);
#else
untimeout((TIMEOUT_FUNC_T)T303_timeout, (void *)cd);
#endif
cd->T303 = TIMER_IDLE;
}
CRIT_END;
DBGL3(L3_T_MSG, "T303_stop", ("cr = %d\n", cd->cr));
}
/*---------------------------------------------------------------------------*
* timer T305 timeout function
*---------------------------------------------------------------------------*/
static void
T305_timeout(call_desc_t *cd)
{
DBGL3(L3_T_ERR, "T305_timeout", ("DISC not answered, cr = %d\n", cd->cr));
next_l3state(cd, EV_T305EXP);
}
/*---------------------------------------------------------------------------*
* timer T305 start
*---------------------------------------------------------------------------*/
void
T305_start(call_desc_t *cd)
{
if (cd->T305 == TIMER_ACTIVE)
return;
DBGL3(L3_T_MSG, "T305_start", ("cr = %d\n", cd->cr));
cd->T305 = TIMER_ACTIVE;
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
cd->T305_callout = timeout((TIMEOUT_FUNC_T)T305_timeout, (void *)cd, T305VAL);
#else
timeout((TIMEOUT_FUNC_T)T305_timeout, (void *)cd, T305VAL);
#endif
}
/*---------------------------------------------------------------------------*
* timer T305 stop
*---------------------------------------------------------------------------*/
void
T305_stop(call_desc_t *cd)
{
CRIT_VAR;
CRIT_BEG;
if(cd->T305 != TIMER_IDLE)
{
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
untimeout((TIMEOUT_FUNC_T)T305_timeout, (void *)cd, cd->T305_callout);
#else
untimeout((TIMEOUT_FUNC_T)T305_timeout, (void *)cd);
#endif
cd->T305 = TIMER_IDLE;
}
CRIT_END;
DBGL3(L3_T_MSG, "T305_stop", ("cr = %d\n", cd->cr));
}
/*---------------------------------------------------------------------------*
* timer T308 timeout function
*---------------------------------------------------------------------------*/
static void
T308_timeout(call_desc_t *cd)
{
DBGL3(L3_T_ERR, "T308_timeout", ("REL not answered, cr = %d\n", cd->cr));
next_l3state(cd, EV_T308EXP);
}
/*---------------------------------------------------------------------------*
* timer T308 start
*---------------------------------------------------------------------------*/
void
T308_start(call_desc_t *cd)
{
if(cd->T308 == TIMER_ACTIVE)
return;
DBGL3(L3_T_MSG, "T308_start", ("cr = %d\n", cd->cr));
cd->T308 = TIMER_ACTIVE;
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
cd->T308_callout = timeout((TIMEOUT_FUNC_T)T308_timeout, (void *)cd, T308VAL);
#else
timeout((TIMEOUT_FUNC_T)T308_timeout, (void *)cd, T308VAL);
#endif
}
/*---------------------------------------------------------------------------*
* timer T308 stop
*---------------------------------------------------------------------------*/
void
T308_stop(call_desc_t *cd)
{
CRIT_VAR;
CRIT_BEG;
if(cd->T308 != TIMER_IDLE)
{
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
untimeout((TIMEOUT_FUNC_T)T308_timeout, (void *)cd, cd->T308_callout);
#else
untimeout((TIMEOUT_FUNC_T)T308_timeout, (void *)cd);
#endif
cd->T308 = TIMER_IDLE;
}
CRIT_END;
DBGL3(L3_T_MSG, "T308_stop", ("cr = %d\n", cd->cr));
}
/*---------------------------------------------------------------------------*
* timer T309 timeout function
*---------------------------------------------------------------------------*/
static void
T309_timeout(call_desc_t *cd)
{
DBGL3(L3_T_ERR, "T309_timeout", ("datalink not reconnected, cr = %d\n", cd->cr));
next_l3state(cd, EV_T309EXP);
}
/*---------------------------------------------------------------------------*
* timer T309 start
*---------------------------------------------------------------------------*/
void
T309_start(call_desc_t *cd)
{
if (cd->T309 == TIMER_ACTIVE)
return;
DBGL3(L3_T_MSG, "T309_start", ("cr = %d\n", cd->cr));
cd->T309 = TIMER_ACTIVE;
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
cd->T309_callout = timeout((TIMEOUT_FUNC_T)T309_timeout, (void *)cd, T309VAL);
#else
timeout((TIMEOUT_FUNC_T)T309_timeout, (void *)cd, T309VAL);
#endif
}
/*---------------------------------------------------------------------------*
* timer T309 stop
*---------------------------------------------------------------------------*/
void
T309_stop(call_desc_t *cd)
{
CRIT_VAR;
CRIT_BEG;
if(cd->T309 != TIMER_IDLE)
{
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
untimeout((TIMEOUT_FUNC_T)T309_timeout, (void *)cd, cd->T309_callout);
#else
untimeout((TIMEOUT_FUNC_T)T309_timeout, (void *)cd);
#endif
cd->T309 = TIMER_IDLE;
}
CRIT_END;
DBGL3(L3_T_MSG, "T309_stop", ("cr = %d\n", cd->cr));
}
/*---------------------------------------------------------------------------*
* timer T310 timeout function
*---------------------------------------------------------------------------*/
static void
T310_timeout(call_desc_t *cd)
{
DBGL3(L3_T_ERR, "T310_timeout", ("CALL PROC timeout, cr = %d\n", cd->cr));
next_l3state(cd, EV_T310EXP);
}
/*---------------------------------------------------------------------------*
* timer T310 start
*---------------------------------------------------------------------------*/
void
T310_start(call_desc_t *cd)
{
if (cd->T310 == TIMER_ACTIVE)
return;
DBGL3(L3_T_MSG, "T310_start", ("cr = %d\n", cd->cr));
cd->T310 = TIMER_ACTIVE;
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
cd->T310_callout = timeout((TIMEOUT_FUNC_T)T310_timeout, (void *)cd, T310VAL);
#else
timeout((TIMEOUT_FUNC_T)T310_timeout, (void *)cd, T310VAL);
#endif
}
/*---------------------------------------------------------------------------*
* timer T310 stop
*---------------------------------------------------------------------------*/
void
T310_stop(call_desc_t *cd)
{
CRIT_VAR;
CRIT_BEG;
if(cd->T310 != TIMER_IDLE)
{
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
untimeout((TIMEOUT_FUNC_T)T310_timeout, (void *)cd, cd->T310_callout);
#else
untimeout((TIMEOUT_FUNC_T)T310_timeout, (void *)cd);
#endif
cd->T310 = TIMER_IDLE;
}
CRIT_END;
DBGL3(L3_T_MSG, "T310_stop", ("cr = %d\n", cd->cr));
}
/*---------------------------------------------------------------------------*
* timer T313 timeout function
*---------------------------------------------------------------------------*/
static void
T313_timeout(call_desc_t *cd)
{
DBGL3(L3_T_ERR, "T313_timeout", ("CONN ACK not received, cr = %d\n", cd->cr));
next_l3state(cd, EV_T313EXP);
}
/*---------------------------------------------------------------------------*
* timer T313 start
*---------------------------------------------------------------------------*/
void
T313_start(call_desc_t *cd)
{
if (cd->T313 == TIMER_ACTIVE)
return;
DBGL3(L3_T_MSG, "T313_start", ("cr = %d\n", cd->cr));
cd->T313 = TIMER_ACTIVE;
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
cd->T313_callout = timeout((TIMEOUT_FUNC_T)T313_timeout, (void *)cd, T313VAL);
#else
timeout((TIMEOUT_FUNC_T)T313_timeout, (void *)cd, T313VAL);
#endif
}
/*---------------------------------------------------------------------------*
* timer T313 stop
*---------------------------------------------------------------------------*/
void
T313_stop(call_desc_t *cd)
{
CRIT_VAR;
CRIT_BEG;
if(cd->T313 != TIMER_IDLE)
{
cd->T313 = TIMER_IDLE;
#if defined(__FreeBSD_version) && __FreeBSD_version >= 300001
untimeout((TIMEOUT_FUNC_T)T313_timeout, (void *)cd, cd->T313_callout);
#else
untimeout((TIMEOUT_FUNC_T)T313_timeout, (void *)cd);
#endif
}
CRIT_END;
DBGL3(L3_T_MSG, "T313_stop", ("cr = %d\n", cd->cr));
}
#endif /* NI4BQ931 > 0 */
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