freebsd-dev/sys/i4b/layer2/i4b_l2fsm.h
1999-08-28 01:08:13 +00:00

83 lines
2.8 KiB
C

/*
* Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*---------------------------------------------------------------------------
*
* i4b_l2fsm.h - layer 2 FSM
* -------------------------
*
* $FreeBSD$
*
* last edit-date: [Sun Feb 14 10:31:43 1999]
*
*---------------------------------------------------------------------------*/
#ifndef _I4B_L2FSM_H_
#define _I4B_L2FSM_H_
enum Q921_states {
ST_TEI_UNAS, /* TEI unassigned */
ST_ASG_AW_TEI, /* assign awaiting TEI */
ST_EST_AW_TEI, /* establish awaiting TEI */
ST_TEI_ASGD, /* TEI assigned */
ST_AW_EST, /* awaiting establishment */
ST_AW_REL, /* awaiting release */
ST_MULTIFR, /* multiple frame established */
ST_TIMREC, /* timer recovery */
ST_SUBSET, /* SUBroutine SETs new state */
ST_ILL, /* illegal state */
N_STATES /* number of states */
};
enum Q921_events {
EV_DLESTRQ, /* dl establish req */
EV_DLUDTRQ, /* dl unit data req */
EV_MDASGRQ, /* mdl assign req */
EV_MDERRRS, /* mdl error response */
EV_PSDEACT, /* persistent deactivation */
EV_MDREMRQ, /* mdl remove req */
EV_RXSABME, /* rx'd SABME */
EV_RXDISC, /* rx'd DISC */
EV_RXUA, /* rx'd UA */
EV_RXDM, /* rx'd DM */
EV_T200EXP, /* T200 expired */
EV_DLDATRQ, /* dl data req */
EV_DLRELRQ, /* dl release req */
EV_T203EXP, /* T203 expired */
EV_OWNBUSY, /* set own rx busy */
EV_OWNRDY, /* clear own rx busy */
EV_RXRR, /* rx'd RR */
EV_RXREJ, /* rx'd REJ */
EV_RXRNR, /* rx'd RNR */
EV_RXFRMR, /* rx'd FRMR */
EV_ILL, /* Illegal */
N_EVENTS
};
#endif /* _I4B_L2FSM_H_ */