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 1.3 2005/12/10 23:51:50 elad Exp $
31 *
32 * $FreeBSD$
33 *
34 *      last edit-date: [Sat Mar 18 10:28:37 2000]
35 *
36 *---------------------------------------------------------------------------*/
37
38#ifndef _NETISDN_I4B_L2FSM_H_
39#define _NETISDN_I4B_L2FSM_H_
40
41enum 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
57enum 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 /* !_NETISDN_I4B_L2FSM_H_ */
84