FreeBSD/Linux Kernel Cross Reference
sys/netisdn/i4b_l2fsm.h

     /*
      * Copyright (c) 1997, 2000 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
     *      -------------------------
     *
     *      $Id: i4b_l2fsm.h,v 1.1.1.1 2001/01/05 12:49:56 martin Exp $ 
     *
     * $FreeBSD$
     *
     *      last edit-date: [Sat Mar 18 10:28:37 2000]
     *
     *---------------------------------------------------------------------------*/
    
    #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_ */
    

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