sys/netisdn/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 1.6 2005/12/11 12:25:06 christos Exp $
  31  *
  32  * $FreeBSD$
  33  *
  34  *      last edit-date: [Fri Jan  5 11:33:47 2001]
  35  *
  36  *---------------------------------------------------------------------------*/
  37
  38 #include <sys/cdefs.h>
  39 __KERNEL_RCSID(0, "$NetBSD: i4b_l4timer.c,v 1.4.12.1 2005/03/04 16:53:45 skrll Exp $");
  40
  41 #include "isdn.h"
  42
  43 #if NISDN > 0
  44
  45 #include <sys/param.h>
  46 #include <sys/kernel.h>
  47 #include <sys/systm.h>
  48 #include <sys/mbuf.h>
  49 #include <sys/socket.h>
  50 #include <net/if.h>
  51
  52 #if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
  53 #include <sys/callout.h>
  54 #endif
  55
  56 #ifdef __FreeBSD__
  57 #include <machine/i4b_debug.h>
  58 #include <machine/i4b_ioctl.h>
  59 #else
  60 #include <netisdn/i4b_debug.h>
  61 #include <netisdn/i4b_ioctl.h>
  62 #endif
  63
  64 #include <netisdn/i4b_global.h>
  65 #include <netisdn/i4b_l3l4.h>
  66 #include <netisdn/i4b_mbuf.h>
  67
  68 #include <netisdn/i4b_l4.h>
  69
  70 /*---------------------------------------------------------------------------*
  71  *      timer T400 timeout function
  72  *---------------------------------------------------------------------------*/
  73 static void
  74 T400_timeout(call_desc_t *cd)
  75 {
  76         NDBGL4(L4_ERR, "cr = %d", cd->cr);
  77 }
  78
  79 /*---------------------------------------------------------------------------*
  80  *      timer T400 start
  81  *---------------------------------------------------------------------------*/
  82 void
  83 T400_start(call_desc_t *cd)
  84 {
  85         if (cd->T400 == TIMER_ACTIVE)
  86                 return;
  87
  88         NDBGL4(L4_MSG, "cr = %d", cd->cr);
  89         cd->T400 = TIMER_ACTIVE;
  90
  91         START_TIMER(cd->T400_callout, T400_timeout, cd, T400DEF);
  92 }
  93
  94 /*---------------------------------------------------------------------------*
  95  *      timer T400 stop
  96  *---------------------------------------------------------------------------*/
  97 void
  98 T400_stop(call_desc_t *cd)
  99 {
 100         int s;
 101         s = splnet();
 102
 103         if(cd->T400 == TIMER_ACTIVE)
 104         {
 105                 STOP_TIMER(cd->T400_callout, T400_timeout, cd);
 106                 cd->T400 = TIMER_IDLE;
 107         }
 108         splx(s);
 109         NDBGL4(L4_MSG, "cr = %d", cd->cr);
 110 }
 111
 112 #endif /* NISDN > 0 */