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 1.1 2003/04/06 04:37:48 tg Stab $ 31 * 32 * $FreeBSD$ 33 * 34 * last edit-date: [Thu Apr 27 11:07:16 2000] 35 * 36 *---------------------------------------------------------------------------*/ 37 38 #ifndef _I4B_L3FSM_H_ 39 #define _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 /* _I4B_L3FSM_H_ */ 108