sys/net/i4b/layer4/i4b_l4timer.c

   1 /*
   2  * Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  23  * SUCH DAMAGE.
  24  *
  25  *---------------------------------------------------------------------------
  26  *
  27  *      i4b_l4timer.c - timer and timeout handling for layer 4
  28  *      --------------------------------------------------------
  29  *
  30  *      $Id: i4b_l4timer.c,v 1.18 2000/08/24 11:48:58 hm Exp $
  31  *
  32  * $FreeBSD: src/sys/i4b/layer4/i4b_l4timer.c,v 1.6.2.1 2001/08/10 14:08:43 obrien Exp $
  33  * $DragonFly: src/sys/net/i4b/layer4/i4b_l4timer.c,v 1.7 2005/06/14 21:19:19 joerg Exp $
  34  *
  35  *      last edit-date: [Thu Aug 24 12:50:17 2000]
  36  *
  37  *---------------------------------------------------------------------------*/
  38
  39 #include "use_i4b.h"
  40
  41 #if NI4B > 0
  42
  43 #include <sys/param.h>
  44 #include <sys/kernel.h>
  45 #include <sys/systm.h>
  46 #include <sys/thread2.h>
  47
  48 #include <net/i4b/include/machine/i4b_debug.h>
  49 #include <net/i4b/include/machine/i4b_ioctl.h>
  50
  51 #include "../include/i4b_global.h"
  52 #include "../include/i4b_l3l4.h"
  53
  54 #include "i4b_l4.h"
  55
  56 /*---------------------------------------------------------------------------*
  57  *      timer T400 timeout function
  58  *---------------------------------------------------------------------------*/
  59 static void
  60 T400_timeout(call_desc_t *cd)
  61 {
  62         NDBGL4(L4_ERR, "cr = %d", cd->cr);
  63 }
  64
  65 /*---------------------------------------------------------------------------*
  66  *      timer T400 start
  67  *---------------------------------------------------------------------------*/
  68 void
  69 T400_start(call_desc_t *cd)
  70 {
  71         if (cd->T400 == TIMER_ACTIVE)
  72                 return;
  73
  74         NDBGL4(L4_MSG, "cr = %d", cd->cr);
  75         cd->T400 = TIMER_ACTIVE;
  76
  77         callout_reset(&cd->T400_timeout, T400DEF, (void *)T400_timeout, cd);
  78 }
  79
  80 /*---------------------------------------------------------------------------*
  81  *      timer T400 stop
  82  *---------------------------------------------------------------------------*/
  83 void
  84 T400_stop(call_desc_t *cd)
  85 {
  86         CRIT_VAR;
  87         CRIT_BEG;
  88
  89         if(cd->T400 == TIMER_ACTIVE)
  90         {
  91                 callout_stop(&cd->T400_timeout);
  92                 cd->T400 = TIMER_IDLE;
  93         }
  94         CRIT_END;
  95         NDBGL4(L4_MSG, "cr = %d", cd->cr);
  96 }
  97
  98 #endif /* NI4B > 0 */