2 * Copyright (c) 1997, 2002 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
26 /*---------------------------------------------------------------------------
28 * i4b_lme.c - layer management entity
29 * -------------------------------------
30 * last edit-date: [Sat Mar 9 17:49:42 2002]
32 *---------------------------------------------------------------------------*/
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/socket.h>
42 #include <i4b/include/i4b_debug.h>
44 #include <i4b/layer2/i4b_l2.h>
46 /*---------------------------------------------------------------------------*
47 * mdl assign indication handler
48 *---------------------------------------------------------------------------*/
50 i4b_mdl_assign_ind(l2_softc_t *l2sc)
52 NDBGL2(L2_PRIM, "unit %d", l2sc->unit);
54 i4b_l1_activate(l2sc);
56 if(l2sc->tei_valid == TEI_VALID)
58 l2sc->T202func = (void(*)(void*))i4b_tei_verify;
64 l2sc->T202func = (void(*)(void*))i4b_tei_assign;
70 /*---------------------------------------------------------------------------*
71 * i4b_mdl_error_ind handler (Q.921 01/94 pp 156)
72 *---------------------------------------------------------------------------*/
74 i4b_mdl_error_ind(l2_softc_t *l2sc, char *where, int errorcode)
77 static char *error_text[] = {
78 "MDL_ERR_A: rx'd unsolicited response - supervisory (F=1)",
79 "MDL_ERR_B: rx'd unsolicited response - DM (F=1)",
80 "MDL_ERR_C: rx'd unsolicited response - UA (F=1)",
81 "MDL_ERR_D: rx'd unsolicited response - UA (F=0)",
82 "MDL_ERR_E: rx'd unsolicited response - DM (F=0)",
83 "MDL_ERR_F: peer initiated re-establishment - SABME",
84 "MDL_ERR_G: unsuccessful transmission N200times - SABME",
85 "MDL_ERR_H: unsuccessful transmission N200times - DIS",
86 "MDL_ERR_I: unsuccessful transmission N200times - Status ENQ",
87 "MDL_ERR_J: other error - N(R) error",
88 "MDL_ERR_K: other error - rx'd FRMR response",
89 "MDL_ERR_L: other error - rx'd undefined frame",
90 "MDL_ERR_M: other error - receipt of I field not permitted",
91 "MDL_ERR_N: other error - rx'd frame with wrong size",
92 "MDL_ERR_O: other error - N201 error",
93 "MDL_ERR_MAX: i4b_mdl_error_ind called with wrong parameter!!!"
97 if(errorcode > MDL_ERR_MAX)
98 errorcode = MDL_ERR_MAX;
100 NDBGL2(L2_ERROR, "unit = %d, location = %s", l2sc->unit, where);
101 NDBGL2(L2_ERROR, "error = %s", error_text[errorcode]);
111 i4b_tei_verify(l2sc);
120 i4b_tei_verify(l2sc);