1335640Shselasky/*
2335640Shselasky * Copyright (c) 1997 Yen Yen Lim and North Dakota State University
3335640Shselasky * All rights reserved.
4335640Shselasky *
5335640Shselasky * Redistribution and use in source and binary forms, with or without
6335640Shselasky * modification, are permitted provided that the following conditions
7335640Shselasky * are met:
8335640Shselasky * 1. Redistributions of source code must retain the above copyright
9335640Shselasky *    notice, this list of conditions and the following disclaimer.
10335640Shselasky * 2. Redistributions in binary form must reproduce the above copyright
11335640Shselasky *    notice, this list of conditions and the following disclaimer in the
12335640Shselasky *    documentation and/or other materials provided with the distribution.
13335640Shselasky * 3. All advertising materials mentioning features or use of this software
14335640Shselasky *    must display the following acknowledgement:
15335640Shselasky *      This product includes software developed by Yen Yen Lim and
16335640Shselasky        North Dakota State University
17335640Shselasky * 4. The name of the author may not be used to endorse or promote products
18335640Shselasky *    derived from this software without specific prior written permission.
19335640Shselasky *
20335640Shselasky * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21335640Shselasky * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22335640Shselasky * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23335640Shselasky * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
24335640Shselasky * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25335640Shselasky * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
26335640Shselasky * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27335640Shselasky * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
28335640Shselasky * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
29335640Shselasky * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30335640Shselasky * POSSIBILITY OF SUCH DAMAGE.
31335640Shselasky */
32335640Shselasky
33335640Shselasky/* Based on UNI3.1 standard by ATM Forum */
34335640Shselasky
35335640Shselasky/* ATM traffic types based on VPI=0 and (the following VCI */
36335640Shselasky#define VCI_PPC			0x05	/* Point-to-point signal msg */
37335640Shselasky#define VCI_BCC			0x02	/* Broadcast signal msg */
38335640Shselasky#define VCI_OAMF4SC		0x03	/* Segment OAM F4 flow cell */
39335640Shselasky#define VCI_OAMF4EC		0x04	/* End-to-end OAM F4 flow cell */
40335640Shselasky#define VCI_METAC		0x01	/* Meta signal msg */
41335640Shselasky#define VCI_ILMIC		0x10	/* ILMI msg */
42335640Shselasky
43335640Shselasky/* Q.2931 signalling messages */
44335640Shselasky#define CALL_PROCEED		0x02	/* call proceeding */
45335640Shselasky#define CONNECT			0x07	/* connect */
46335640Shselasky#define CONNECT_ACK		0x0f	/* connect_ack */
47335640Shselasky#define SETUP			0x05	/* setup */
48335640Shselasky#define RELEASE			0x4d	/* release */
49335640Shselasky#define RELEASE_DONE		0x5a	/* release_done */
50335640Shselasky#define RESTART			0x46	/* restart */
51335640Shselasky#define RESTART_ACK		0x4e	/* restart ack */
52335640Shselasky#define STATUS			0x7d	/* status */
53335640Shselasky#define STATUS_ENQ		0x75	/* status ack */
54335640Shselasky#define ADD_PARTY		0x80	/* add party */
55335640Shselasky#define ADD_PARTY_ACK		0x81	/* add party ack */
56335640Shselasky#define ADD_PARTY_REJ		0x82	/* add party rej */
57335640Shselasky#define DROP_PARTY		0x83	/* drop party */
58335640Shselasky#define DROP_PARTY_ACK		0x84	/* drop party ack */
59335640Shselasky
60335640Shselasky/* Information Element Parameters in the signalling messages */
61335640Shselasky#define CAUSE			0x08	/* cause */
62335640Shselasky#define ENDPT_REF		0x54	/* endpoint reference */
63335640Shselasky#define AAL_PARA		0x58	/* ATM adaptation layer parameters */
64335640Shselasky#define TRAFF_DESCRIP		0x59	/* atm traffic descriptors */
65335640Shselasky#define CONNECT_ID		0x5a	/* connection identifier */
66335640Shselasky#define QOS_PARA		0x5c	/* quality of service parameters */
67335640Shselasky#define B_HIGHER		0x5d	/* broadband higher layer information */
68335640Shselasky#define B_BEARER		0x5e	/* broadband bearer capability */
69335640Shselasky#define B_LOWER			0x5f	/* broadband lower information */
70335640Shselasky#define CALLING_PARTY		0x6c	/* calling party number */
71335640Shselasky#define CALLED_PARTY		0x70	/* called party nmber */
72335640Shselasky
73335640Shselasky#define Q2931			0x09
74335640Shselasky
75335640Shselasky/* Q.2931 signalling general messages format */
76335640Shselasky#define PROTO_POS       0	/* offset of protocol discriminator */
77335640Shselasky#define CALL_REF_POS    2	/* offset of call reference value */
78335640Shselasky#define MSG_TYPE_POS    5	/* offset of message type */
79335640Shselasky#define MSG_LEN_POS     7	/* offset of mesage length */
80335640Shselasky#define IE_BEGIN_POS    9	/* offset of first information element */
81335640Shselasky
82335640Shselasky/* format of signalling messages */
83335640Shselasky#define TYPE_POS	0
84335640Shselasky#define LEN_POS		2
85335640Shselasky#define FIELD_BEGIN_POS 4
86