2 * Copyright (c) 1997, 1999 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 * -------------------------------------
32 * last edit-date: [Sun Feb 14 10:31:55 1999]
34 *---------------------------------------------------------------------------*/
43 #include <sys/param.h>
44 #if defined(__FreeBSD__) && __FreeBSD__ >= 3
45 #include <sys/ioccom.h>
47 #include <sys/ioctl.h>
49 #include <sys/kernel.h>
50 #include <sys/systm.h>
52 #include <sys/socket.h>
56 #include <machine/i4b_debug.h>
57 #include <machine/i4b_ioctl.h>
59 #include <i4b/i4b_debug.h>
60 #include <i4b/i4b_ioctl.h>
63 #include <i4b/include/i4b_l1l2.h>
64 #include <i4b/include/i4b_l2l3.h>
65 #include <i4b/include/i4b_isdnq931.h>
66 #include <i4b/include/i4b_mbuf.h>
68 #include <i4b/layer2/i4b_l2.h>
69 #include <i4b/layer2/i4b_l2fsm.h>
71 /*---------------------------------------------------------------------------*
72 * mdl assign indication handler
73 *---------------------------------------------------------------------------*/
75 i4b_mdl_assign_ind(l2_softc_t *l2sc)
77 DBGL2(L2_PRIM, "MDL-ASSIGN-IND", ("unit %d\n", l2sc->unit));
79 i4b_l1_activate(l2sc);
81 if(l2sc->tei_valid == TEI_VALID)
83 l2sc->T202func = (void(*)(void*))i4b_tei_verify;
89 l2sc->T202func = (void(*)(void*))i4b_tei_assign;
95 /*---------------------------------------------------------------------------*
96 * i4b_mdl_error_ind handler (Q.921 01/94 pp 156)
97 *---------------------------------------------------------------------------*/
99 i4b_mdl_error_ind(l2_softc_t *l2sc, char *where, int errorcode)
101 static char *error_text[] = {
102 "MDL_ERR_A: rx'd unsolicited response - supervisory (F=1)",
103 "MDL_ERR_B: rx'd unsolicited response - DM (F=1)",
104 "MDL_ERR_C: rx'd unsolicited response - UA (F=1)",
105 "MDL_ERR_D: rx'd unsolicited response - UA (F=0)",
106 "MDL_ERR_E: rx'd unsolicited response - DM (F=0)",
107 "MDL_ERR_F: peer initiated re-establishment - SABME",
108 "MDL_ERR_G: unsuccessful transmission N200times - SABME",
109 "MDL_ERR_H: unsuccessful transmission N200times - DIS",
110 "MDL_ERR_I: unsuccessful transmission N200times - Status ENQ",
111 "MDL_ERR_J: other error - N(R) error",
112 "MDL_ERR_K: other error - rx'd FRMR response",
113 "MDL_ERR_L: other error - rx'd undefined frame",
114 "MDL_ERR_M: other error - receipt of I field not permitted",
115 "MDL_ERR_N: other error - rx'd frame with wrong size",
116 "MDL_ERR_O: other error - N201 error",
117 "MDL_ERR_MAX: i4b_mdl_error_ind called with wrong parameter!!!"
120 if(errorcode > MDL_ERR_MAX)
121 errorcode = MDL_ERR_MAX;
123 DBGL2(L2_ERROR, "i4b_mdl_error_ind", ("unit = %d, location = %s\n", l2sc->unit, where));
124 DBGL2(L2_ERROR, "i4b_mdl_error_ind", ("error = %s\n", error_text[errorcode]));
134 i4b_tei_verify(l2sc);
143 i4b_tei_verify(l2sc);
160 #endif /* NI4BQ921 > 0 */