2 * Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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
25 *---------------------------------------------------------------------------
27 * i4b_lme.c - layer management entity
28 * -------------------------------------
30 * $Id: i4b_lme.c,v 1.15 2000/08/24 11:48:58 hm Exp $
34 * last edit-date: [Mon May 29 16:55:12 2000]
36 *---------------------------------------------------------------------------*/
45 #include <sys/param.h>
46 #include <sys/systm.h>
47 #include <sys/socket.h>
50 #if defined(__NetBSD__) && __NetBSD_Version__ >= 104230000
51 #include <sys/callout.h>
55 #include <machine/i4b_debug.h>
57 #include <i4b/i4b_debug.h>
58 #include <i4b/i4b_ioctl.h>
62 #include <i4b/layer2/i4b_l2.h>
64 /*---------------------------------------------------------------------------*
65 * mdl assign indication handler
66 *---------------------------------------------------------------------------*/
68 i4b_mdl_assign_ind(l2_softc_t *l2sc)
70 NDBGL2(L2_PRIM, "unit %d", l2sc->unit);
72 i4b_l1_activate(l2sc);
74 if(l2sc->tei_valid == TEI_VALID)
76 l2sc->T202func = (void(*)(void*))i4b_tei_verify;
82 l2sc->T202func = (void(*)(void*))i4b_tei_assign;
88 /*---------------------------------------------------------------------------*
89 * i4b_mdl_error_ind handler (Q.921 01/94 pp 156)
90 *---------------------------------------------------------------------------*/
92 i4b_mdl_error_ind(l2_softc_t *l2sc, char *where, int errorcode)
95 static char *error_text[] = {
96 "MDL_ERR_A: rx'd unsolicited response - supervisory (F=1)",
97 "MDL_ERR_B: rx'd unsolicited response - DM (F=1)",
98 "MDL_ERR_C: rx'd unsolicited response - UA (F=1)",
99 "MDL_ERR_D: rx'd unsolicited response - UA (F=0)",
100 "MDL_ERR_E: rx'd unsolicited response - DM (F=0)",
101 "MDL_ERR_F: peer initiated re-establishment - SABME",
102 "MDL_ERR_G: unsuccessful transmission N200times - SABME",
103 "MDL_ERR_H: unsuccessful transmission N200times - DIS",
104 "MDL_ERR_I: unsuccessful transmission N200times - Status ENQ",
105 "MDL_ERR_J: other error - N(R) error",
106 "MDL_ERR_K: other error - rx'd FRMR response",
107 "MDL_ERR_L: other error - rx'd undefined frame",
108 "MDL_ERR_M: other error - receipt of I field not permitted",
109 "MDL_ERR_N: other error - rx'd frame with wrong size",
110 "MDL_ERR_O: other error - N201 error",
111 "MDL_ERR_MAX: i4b_mdl_error_ind called with wrong parameter!!!"
115 if(errorcode > MDL_ERR_MAX)
116 errorcode = MDL_ERR_MAX;
118 NDBGL2(L2_ERROR, "unit = %d, location = %s", l2sc->unit, where);
119 NDBGL2(L2_ERROR, "error = %s", error_text[errorcode]);
129 i4b_tei_verify(l2sc);
138 i4b_tei_verify(l2sc);
155 #endif /* NI4BQ921 > 0 */