86 lines
3.9 KiB
C
86 lines
3.9 KiB
C
/*
|
|
* 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
|