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freebsd-nq/sys/i4b/layer3/i4b_l3timer.c
Poul-Henning Kamp 19c749625f Initial entry of ISDN4BSD into the FreeBSD tree. 
ISDN4BSD is the work of our brand-new comitter: Hellmuth Michaelis,
who has done a tremendous amount of work to bring us this far.

There are still some outstanding issues and files to bring into
the tree, and for now it will be needed to pick up all the extra
docs from the isdn4bsd release.

It is probably also a very good idea to subscribe to the isdn@freebsd.org
mailing list before you try this out.

These files correspond to release "beta Version 0.70.00 / December
1998" from Hellmuth.
1998-12-27 21:47:14 +00:00

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/*
* Copyright (c) 1997, 1998 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 1.9 1998/12/05 18:05:35 hm Exp $
*
* last edit-date: [Sat Dec 5 18:33:00 1998]
*
*---------------------------------------------------------------------------*/
#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)
{
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)
{
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;
}
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)
{
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)
{
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;
}
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)
{
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)
{
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;
}
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)
{
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)
{
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;
}
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)
{
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)
{
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;
}
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)
{
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)
{
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
}
DBGL3(L3_T_MSG, "T313_stop", ("cr = %d\n", cd->cr));
}
#endif /* NI4BQ931 > 0 */
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