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_l2fsm.h - layer 2 FSM 28 * ------------------------- 29 * 30 * $Id: i4b_l2fsm.h,v 1.1 2003/04/06 04:37:48 tg Stab $ 31 * 32 * $FreeBSD$ 33 * 34 * last edit-date: [Sat Mar 18 10:28:37 2000] 35 * 36 *---------------------------------------------------------------------------*/ 37 38 #ifndef _I4B_L2FSM_H_ 39 #define _I4B_L2FSM_H_ 40 41 enum Q921_states { 42 ST_TEI_UNAS, /* TEI unassigned */ 43 ST_ASG_AW_TEI, /* assign awaiting TEI */ 44 ST_EST_AW_TEI, /* establish awaiting TEI */ 45 ST_TEI_ASGD, /* TEI assigned */ 46 47 ST_AW_EST, /* awaiting establishment */ 48 ST_AW_REL, /* awaiting release */ 49 ST_MULTIFR, /* multiple frame established */ 50 ST_TIMREC, /* timer recovery */ 51 52 ST_SUBSET, /* SUBroutine SETs new state */ 53 ST_ILL, /* illegal state */ 54 N_STATES /* number of states */ 55 }; 56 57 enum Q921_events { 58 EV_DLESTRQ, /* dl establish req */ 59 EV_DLUDTRQ, /* dl unit data req */ 60 EV_MDASGRQ, /* mdl assign req */ 61 EV_MDERRRS, /* mdl error response */ 62 EV_PSDEACT, /* persistent deactivation */ 63 EV_MDREMRQ, /* mdl remove req */ 64 EV_RXSABME, /* rx'd SABME */ 65 EV_RXDISC, /* rx'd DISC */ 66 EV_RXUA, /* rx'd UA */ 67 EV_RXDM, /* rx'd DM */ 68 EV_T200EXP, /* T200 expired */ 69 EV_DLDATRQ, /* dl data req */ 70 EV_DLRELRQ, /* dl release req */ 71 EV_T203EXP, /* T203 expired */ 72 EV_OWNBUSY, /* set own rx busy */ 73 EV_OWNRDY, /* clear own rx busy */ 74 EV_RXRR, /* rx'd RR */ 75 EV_RXREJ, /* rx'd REJ */ 76 EV_RXRNR, /* rx'd RNR */ 77 EV_RXFRMR, /* rx'd FRMR */ 78 79 EV_ILL, /* Illegal */ 80 N_EVENTS 81 }; 82 83 #endif /* _I4B_L2FSM_H_ */ 84 85