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/*
* 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_lme.c - layer management entity
* -------------------------------------
*
* $Id: i4b_lme.c,v 1.15 2000/08/24 11:48:58 hm Exp $
*
* $FreeBSD$
*
* last edit-date: [Mon May 29 16:55:12 2000]
*
*---------------------------------------------------------------------------*/
#ifdef __FreeBSD__
#include "i4bq921.h"
#else
#define NI4BQ921 1
#endif
#if NI4BQ921 > 0
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <net/if.h>
#if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
#include <sys/callout.h>
#endif
#ifdef __FreeBSD__
#include <machine/i4b_debug.h>
#else
#include <i4b/i4b_debug.h>
#include <i4b/i4b_ioctl.h>
#endif
#include <i4b/layer2/i4b_l2.h>
/*---------------------------------------------------------------------------*
* mdl assign indication handler
*---------------------------------------------------------------------------*/
void
i4b_mdl_assign_ind(l2_softc_t *l2sc)
{
NDBGL2(L2_PRIM, "unit %d", l2sc->unit);
i4b_l1_activate(l2sc);
if(l2sc->tei_valid == TEI_VALID)
{
l2sc->T202func = (void(*)(void*))i4b_tei_verify;
l2sc->N202 = N202DEF;
i4b_tei_verify(l2sc);
}
else
{
l2sc->T202func = (void(*)(void*))i4b_tei_assign;
l2sc->N202 = N202DEF;
i4b_tei_assign(l2sc);
}
}
/*---------------------------------------------------------------------------*
* i4b_mdl_error_ind handler (Q.921 01/94 pp 156)
*---------------------------------------------------------------------------*/
void
i4b_mdl_error_ind(l2_softc_t *l2sc, char *where, int errorcode)
{
#if DO_I4B_DEBUG
static char *error_text[] = {
"MDL_ERR_A: rx'd unsolicited response - supervisory (F=1)",
"MDL_ERR_B: rx'd unsolicited response - DM (F=1)",
"MDL_ERR_C: rx'd unsolicited response - UA (F=1)",
"MDL_ERR_D: rx'd unsolicited response - UA (F=0)",
"MDL_ERR_E: rx'd unsolicited response - DM (F=0)",
"MDL_ERR_F: peer initiated re-establishment - SABME",
"MDL_ERR_G: unsuccessful transmission N200times - SABME",
"MDL_ERR_H: unsuccessful transmission N200times - DIS",
"MDL_ERR_I: unsuccessful transmission N200times - Status ENQ",
"MDL_ERR_J: other error - N(R) error",
"MDL_ERR_K: other error - rx'd FRMR response",
"MDL_ERR_L: other error - rx'd undefined frame",
"MDL_ERR_M: other error - receipt of I field not permitted",
"MDL_ERR_N: other error - rx'd frame with wrong size",
"MDL_ERR_O: other error - N201 error",
"MDL_ERR_MAX: i4b_mdl_error_ind called with wrong parameter!!!"
};
#endif
if(errorcode > MDL_ERR_MAX)
errorcode = MDL_ERR_MAX;
NDBGL2(L2_ERROR, "unit = %d, location = %s", l2sc->unit, where);
NDBGL2(L2_ERROR, "error = %s", error_text[errorcode]);
switch(errorcode)
{
case MDL_ERR_A:
case MDL_ERR_B:
break;
case MDL_ERR_C:
case MDL_ERR_D:
i4b_tei_verify(l2sc);
break;
case MDL_ERR_E:
case MDL_ERR_F:
break;
case MDL_ERR_G:
case MDL_ERR_H:
i4b_tei_verify(l2sc);
break;
case MDL_ERR_I:
case MDL_ERR_J:
case MDL_ERR_K:
case MDL_ERR_L:
case MDL_ERR_M:
case MDL_ERR_N:
case MDL_ERR_O:
break;
default:
break;
}
}
#endif /* NI4BQ921 > 0 */
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