sys/netisdn/i4b_l3fsm.h

   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_l3fsm.c - layer 3 FSM
  28  *      -------------------------
  29  *
  30  *      $Id: i4b_l3fsm.h,v 1.3 2005/12/10 23:51:50 elad Exp $
  31  *
  32  * $FreeBSD$
  33  *
  34  *      last edit-date: [Thu Apr 27 11:07:16 2000]
  35  *
  36  *---------------------------------------------------------------------------*/
  37
  38 #ifndef _NETISDN_I4B_L3FSM_H_
  39 #define _NETISDN_I4B_L3FSM_H_
  40
  41 enum Q931_states {
  42         ST_U0,
  43         ST_U1,
  44         ST_U3,
  45         ST_U4,
  46         ST_U6,
  47         ST_U7,
  48         ST_U8,
  49         ST_U9,
  50         ST_U10,
  51         ST_U11,
  52         ST_U12,
  53         ST_U19,
  54
  55         ST_IWA,         /* incoming call, wait establish, then accept */
  56         ST_IWR,         /* incoming call, wait establish, then reject */
  57         ST_OW,          /* outgoing call, wait establish */
  58         ST_IWL,         /* incoming call, wait establish, then alert */
  59
  60         ST_SUSE,        /* SUBroutine SETs new state on exit */
  61         ST_ILL,         /* Illegal */
  62
  63         N_STATES        /* number of states */
  64 };
  65
  66 enum Q931_events {
  67
  68         EV_SETUPRQ,     /* setup request from L4                */
  69         EV_DISCRQ,      /* disconnect request from L4           */
  70         EV_RELRQ,       /* release request from L4              */
  71         EV_ALERTRQ,     /* alerting request from L4             */
  72         EV_SETACRS,     /* setup response accept from l4        */
  73         EV_SETRJRS,     /* setup response reject from l4        */
  74         EV_SETDCRS,     /* setup response dontcare from l4      */
  75
  76         EV_SETUP,       /* incoming SETUP message from L2       */
  77         EV_STATUS,      /* incoming STATUS message from L2      */
  78         EV_RELEASE,     /* incoming RELEASE message from L2     */
  79         EV_RELCOMP,     /* incoming RELEASE COMPLETE from L2    */
  80         EV_SETUPAK,     /* incoming SETUP ACK message from L2   */
  81         EV_CALLPRC,     /* incoming CALL PROCEEDING from L2     */
  82         EV_ALERT,       /* incoming ALERT message from L2       */
  83         EV_CONNECT,     /* incoming CONNECT message from L2     */
  84         EV_PROGIND,     /* incoming Progress IND from L2        */
  85         EV_DISCONN,     /* incoming DISCONNECT message from L2  */
  86         EV_CONACK,      /* incoming CONNECT ACK message from L2 */
  87         EV_STATENQ,     /* incoming STATUS ENQ message from L2  */
  88         EV_INFO,        /* incoming INFO message from L2        */
  89         EV_FACILITY,    /* FACILITY message                     */
  90
  91         EV_T303EXP,     /* Timer T303 expired                   */
  92         EV_T305EXP,     /* Timer T305 expired                   */
  93         EV_T308EXP,     /* Timer T308 expired                   */
  94         EV_T309EXP,     /* Timer T309 expired                   */
  95         EV_T310EXP,     /* Timer T310 expired                   */
  96         EV_T313EXP,     /* Timer T313 expired                   */
  97
  98         EV_DLESTIN,     /* dl establish indication from l2      */
  99         EV_DLRELIN,     /* dl release indication from l2        */
 100         EV_DLESTCF,     /* dl establish confirm from l2         */
 101         EV_DLRELCF,     /* dl release indication from l2        */
 102
 103         EV_ILL,         /* Illegal */
 104         N_EVENTS
 105 };
 106
 107 #endif /* !_NETISDN_I4B_L3FSM_H_ */