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/*
* Copyright (c) 1997 Yen Yen Lim and North Dakota State University
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Yen Yen Lim and
North Dakota State University
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
/* Based on UNI3.1 standard by ATM Forum */
/* ATM traffic types based on VPI=0 and (the following VCI */
#define VCI_PPC 0x05 /* Point-to-point signal msg */
#define VCI_BCC 0x02 /* Broadcast signal msg */
#define VCI_OAMF4SC 0x03 /* Segment OAM F4 flow cell */
#define VCI_OAMF4EC 0x04 /* End-to-end OAM F4 flow cell */
#define VCI_METAC 0x01 /* Meta signal msg */
#define VCI_ILMIC 0x10 /* ILMI msg */
/* Q.2931 signalling messages */
#define CALL_PROCEED 0x02 /* call proceeding */
#define CONNECT 0x07 /* connect */
#define CONNECT_ACK 0x0f /* connect_ack */
#define SETUP 0x05 /* setup */
#define RELEASE 0x4d /* release */
#define RELEASE_DONE 0x5a /* release_done */
#define RESTART 0x46 /* restart */
#define RESTART_ACK 0x4e /* restart ack */
#define STATUS 0x7d /* status */
#define STATUS_ENQ 0x75 /* status ack */
#define ADD_PARTY 0x80 /* add party */
#define ADD_PARTY_ACK 0x81 /* add party ack */
#define ADD_PARTY_REJ 0x82 /* add party rej */
#define DROP_PARTY 0x83 /* drop party */
#define DROP_PARTY_ACK 0x84 /* drop party ack */
/* Information Element Parameters in the signalling messages */
#define CAUSE 0x08 /* cause */
#define ENDPT_REF 0x54 /* endpoint reference */
#define AAL_PARA 0x58 /* ATM adaptation layer parameters */
#define TRAFF_DESCRIP 0x59 /* atm traffic descriptors */
#define CONNECT_ID 0x5a /* connection identifier */
#define QOS_PARA 0x5c /* quality of service parameters */
#define B_HIGHER 0x5d /* broadband higher layer information */
#define B_BEARER 0x5e /* broadband bearer capability */
#define B_LOWER 0x5f /* broadband lower information */
#define CALLING_PARTY 0x6c /* calling party number */
#define CALLED_PARTY 0x70 /* called party nmber */
#define Q2931 0x09
/* Q.2931 signalling general messages format */
#define PROTO_POS 0 /* offset of protocol discriminator */
#define CALL_REF_POS 2 /* offset of call reference value */
#define MSG_TYPE_POS 5 /* offset of message type */
#define MSG_LEN_POS 7 /* offset of mesage length */
#define IE_BEGIN_POS 9 /* offset of first information element */
/* format of signalling messages */
#define TYPE_POS 0
#define LEN_POS 2
#define FIELD_BEGIN_POS 4
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