405 lines
11 KiB
C
405 lines
11 KiB
C
/*
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* Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*---------------------------------------------------------------------------
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*
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* i4b_l3timer.c - timer and timeout handling for layer 3
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* ------------------------------------------------------
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*
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* $Id: i4b_l3timer.c,v 1.14 1999/12/13 21:25:27 hm Exp $
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*
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* $FreeBSD$
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*
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* last edit-date: [Mon Dec 13 22:05:18 1999]
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*
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*---------------------------------------------------------------------------*/
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#ifdef __FreeBSD__
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#include "i4bq931.h"
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#else
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#define NI4BQ931 1
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#endif
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#if NI4BQ931 > 0
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#include <sys/param.h>
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#if defined(__FreeBSD__)
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#include <sys/ioccom.h>
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#else
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#include <sys/ioctl.h>
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#endif
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#include <sys/kernel.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#ifdef __FreeBSD__
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#include <machine/i4b_debug.h>
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#include <machine/i4b_ioctl.h>
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#else
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#include <i4b/i4b_debug.h>
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#include <i4b/i4b_ioctl.h>
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#endif
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#include <i4b/include/i4b_global.h>
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#include <i4b/include/i4b_isdnq931.h>
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#include <i4b/include/i4b_l2l3.h>
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#include <i4b/include/i4b_l3l4.h>
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#include <i4b/include/i4b_mbuf.h>
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#include <i4b/layer3/i4b_l3.h>
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#include <i4b/layer3/i4b_l3fsm.h>
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#include <i4b/layer3/i4b_q931.h>
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#include <i4b/layer4/i4b_l4.h>
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/*---------------------------------------------------------------------------*
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* stop all layer 3 timers
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*---------------------------------------------------------------------------*/
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void i4b_l3_stop_all_timers(call_desc_t *cd)
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{
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T303_stop(cd);
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T305_stop(cd);
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T308_stop(cd);
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T309_stop(cd);
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T310_stop(cd);
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T313_stop(cd);
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}
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/*---------------------------------------------------------------------------*
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* timer T303 timeout function
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*---------------------------------------------------------------------------*/
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static void
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T303_timeout(call_desc_t *cd)
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{
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DBGL3(L3_T_ERR, "T303_timeout", ("SETUP not answered, cr = %d\n", cd->cr));
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next_l3state(cd, EV_T303EXP);
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}
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/*---------------------------------------------------------------------------*
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* timer T303 start
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*---------------------------------------------------------------------------*/
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void
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T303_start(call_desc_t *cd)
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{
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if (cd->T303 == TIMER_ACTIVE)
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return;
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DBGL3(L3_T_MSG, "T303_start", ("cr = %d\n", cd->cr));
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cd->T303 = TIMER_ACTIVE;
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#if defined(__FreeBSD__)
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cd->T303_callout = timeout((TIMEOUT_FUNC_T)T303_timeout, (void *)cd, T303VAL);
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#else
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timeout((TIMEOUT_FUNC_T)T303_timeout, (void *)cd, T303VAL);
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#endif
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}
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/*---------------------------------------------------------------------------*
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* timer T303 stop
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*---------------------------------------------------------------------------*/
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void
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T303_stop(call_desc_t *cd)
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{
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CRIT_VAR;
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CRIT_BEG;
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if(cd->T303 != TIMER_IDLE)
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{
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#if defined(__FreeBSD__)
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untimeout((TIMEOUT_FUNC_T)T303_timeout, (void *)cd, cd->T303_callout);
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#else
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untimeout((TIMEOUT_FUNC_T)T303_timeout, (void *)cd);
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#endif
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cd->T303 = TIMER_IDLE;
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}
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CRIT_END;
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DBGL3(L3_T_MSG, "T303_stop", ("cr = %d\n", cd->cr));
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}
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/*---------------------------------------------------------------------------*
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* timer T305 timeout function
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*---------------------------------------------------------------------------*/
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static void
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T305_timeout(call_desc_t *cd)
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{
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DBGL3(L3_T_ERR, "T305_timeout", ("DISC not answered, cr = %d\n", cd->cr));
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next_l3state(cd, EV_T305EXP);
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}
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/*---------------------------------------------------------------------------*
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* timer T305 start
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*---------------------------------------------------------------------------*/
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void
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T305_start(call_desc_t *cd)
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{
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if (cd->T305 == TIMER_ACTIVE)
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return;
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DBGL3(L3_T_MSG, "T305_start", ("cr = %d\n", cd->cr));
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cd->T305 = TIMER_ACTIVE;
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#if defined(__FreeBSD__)
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cd->T305_callout = timeout((TIMEOUT_FUNC_T)T305_timeout, (void *)cd, T305VAL);
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#else
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timeout((TIMEOUT_FUNC_T)T305_timeout, (void *)cd, T305VAL);
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#endif
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}
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/*---------------------------------------------------------------------------*
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* timer T305 stop
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*---------------------------------------------------------------------------*/
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void
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T305_stop(call_desc_t *cd)
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{
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CRIT_VAR;
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CRIT_BEG;
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if(cd->T305 != TIMER_IDLE)
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{
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#if defined(__FreeBSD__)
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untimeout((TIMEOUT_FUNC_T)T305_timeout, (void *)cd, cd->T305_callout);
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#else
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untimeout((TIMEOUT_FUNC_T)T305_timeout, (void *)cd);
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#endif
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cd->T305 = TIMER_IDLE;
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}
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CRIT_END;
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DBGL3(L3_T_MSG, "T305_stop", ("cr = %d\n", cd->cr));
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}
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/*---------------------------------------------------------------------------*
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* timer T308 timeout function
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*---------------------------------------------------------------------------*/
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static void
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T308_timeout(call_desc_t *cd)
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{
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DBGL3(L3_T_ERR, "T308_timeout", ("REL not answered, cr = %d\n", cd->cr));
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next_l3state(cd, EV_T308EXP);
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}
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/*---------------------------------------------------------------------------*
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* timer T308 start
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*---------------------------------------------------------------------------*/
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void
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T308_start(call_desc_t *cd)
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{
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if(cd->T308 == TIMER_ACTIVE)
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return;
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DBGL3(L3_T_MSG, "T308_start", ("cr = %d\n", cd->cr));
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cd->T308 = TIMER_ACTIVE;
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#if defined(__FreeBSD__)
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cd->T308_callout = timeout((TIMEOUT_FUNC_T)T308_timeout, (void *)cd, T308VAL);
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#else
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timeout((TIMEOUT_FUNC_T)T308_timeout, (void *)cd, T308VAL);
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#endif
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}
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/*---------------------------------------------------------------------------*
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* timer T308 stop
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*---------------------------------------------------------------------------*/
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void
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T308_stop(call_desc_t *cd)
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{
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CRIT_VAR;
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CRIT_BEG;
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if(cd->T308 != TIMER_IDLE)
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{
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#if defined(__FreeBSD__)
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untimeout((TIMEOUT_FUNC_T)T308_timeout, (void *)cd, cd->T308_callout);
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#else
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untimeout((TIMEOUT_FUNC_T)T308_timeout, (void *)cd);
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#endif
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cd->T308 = TIMER_IDLE;
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}
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CRIT_END;
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DBGL3(L3_T_MSG, "T308_stop", ("cr = %d\n", cd->cr));
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}
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/*---------------------------------------------------------------------------*
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* timer T309 timeout function
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*---------------------------------------------------------------------------*/
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static void
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T309_timeout(call_desc_t *cd)
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{
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DBGL3(L3_T_ERR, "T309_timeout", ("datalink not reconnected, cr = %d\n", cd->cr));
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next_l3state(cd, EV_T309EXP);
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}
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/*---------------------------------------------------------------------------*
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* timer T309 start
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*---------------------------------------------------------------------------*/
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void
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T309_start(call_desc_t *cd)
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{
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if (cd->T309 == TIMER_ACTIVE)
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return;
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DBGL3(L3_T_MSG, "T309_start", ("cr = %d\n", cd->cr));
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cd->T309 = TIMER_ACTIVE;
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#if defined(__FreeBSD__)
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cd->T309_callout = timeout((TIMEOUT_FUNC_T)T309_timeout, (void *)cd, T309VAL);
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#else
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timeout((TIMEOUT_FUNC_T)T309_timeout, (void *)cd, T309VAL);
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#endif
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}
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/*---------------------------------------------------------------------------*
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* timer T309 stop
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*---------------------------------------------------------------------------*/
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void
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T309_stop(call_desc_t *cd)
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{
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CRIT_VAR;
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CRIT_BEG;
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if(cd->T309 != TIMER_IDLE)
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{
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#if defined(__FreeBSD__)
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untimeout((TIMEOUT_FUNC_T)T309_timeout, (void *)cd, cd->T309_callout);
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#else
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untimeout((TIMEOUT_FUNC_T)T309_timeout, (void *)cd);
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#endif
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cd->T309 = TIMER_IDLE;
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}
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CRIT_END;
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DBGL3(L3_T_MSG, "T309_stop", ("cr = %d\n", cd->cr));
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}
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/*---------------------------------------------------------------------------*
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* timer T310 timeout function
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*---------------------------------------------------------------------------*/
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static void
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T310_timeout(call_desc_t *cd)
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{
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DBGL3(L3_T_ERR, "T310_timeout", ("CALL PROC timeout, cr = %d\n", cd->cr));
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next_l3state(cd, EV_T310EXP);
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}
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/*---------------------------------------------------------------------------*
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* timer T310 start
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*---------------------------------------------------------------------------*/
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void
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T310_start(call_desc_t *cd)
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{
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if (cd->T310 == TIMER_ACTIVE)
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return;
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DBGL3(L3_T_MSG, "T310_start", ("cr = %d\n", cd->cr));
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cd->T310 = TIMER_ACTIVE;
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#if defined(__FreeBSD__)
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cd->T310_callout = timeout((TIMEOUT_FUNC_T)T310_timeout, (void *)cd, T310VAL);
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#else
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timeout((TIMEOUT_FUNC_T)T310_timeout, (void *)cd, T310VAL);
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#endif
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}
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/*---------------------------------------------------------------------------*
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* timer T310 stop
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*---------------------------------------------------------------------------*/
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void
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T310_stop(call_desc_t *cd)
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{
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CRIT_VAR;
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CRIT_BEG;
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if(cd->T310 != TIMER_IDLE)
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{
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#if defined(__FreeBSD__)
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untimeout((TIMEOUT_FUNC_T)T310_timeout, (void *)cd, cd->T310_callout);
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#else
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untimeout((TIMEOUT_FUNC_T)T310_timeout, (void *)cd);
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#endif
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cd->T310 = TIMER_IDLE;
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}
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CRIT_END;
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DBGL3(L3_T_MSG, "T310_stop", ("cr = %d\n", cd->cr));
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}
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/*---------------------------------------------------------------------------*
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* timer T313 timeout function
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*---------------------------------------------------------------------------*/
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static void
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T313_timeout(call_desc_t *cd)
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{
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DBGL3(L3_T_ERR, "T313_timeout", ("CONN ACK not received, cr = %d\n", cd->cr));
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next_l3state(cd, EV_T313EXP);
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}
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/*---------------------------------------------------------------------------*
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* timer T313 start
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*---------------------------------------------------------------------------*/
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void
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T313_start(call_desc_t *cd)
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{
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if (cd->T313 == TIMER_ACTIVE)
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return;
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DBGL3(L3_T_MSG, "T313_start", ("cr = %d\n", cd->cr));
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cd->T313 = TIMER_ACTIVE;
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#if defined(__FreeBSD__)
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cd->T313_callout = timeout((TIMEOUT_FUNC_T)T313_timeout, (void *)cd, T313VAL);
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#else
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timeout((TIMEOUT_FUNC_T)T313_timeout, (void *)cd, T313VAL);
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#endif
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}
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/*---------------------------------------------------------------------------*
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* timer T313 stop
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*---------------------------------------------------------------------------*/
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void
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T313_stop(call_desc_t *cd)
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{
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CRIT_VAR;
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CRIT_BEG;
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if(cd->T313 != TIMER_IDLE)
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{
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cd->T313 = TIMER_IDLE;
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#if defined(__FreeBSD__)
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untimeout((TIMEOUT_FUNC_T)T313_timeout, (void *)cd, cd->T313_callout);
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#else
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untimeout((TIMEOUT_FUNC_T)T313_timeout, (void *)cd);
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#endif
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}
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CRIT_END;
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DBGL3(L3_T_MSG, "T313_stop", ("cr = %d\n", cd->cr));
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}
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#endif /* NI4BQ931 > 0 */
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