1 /* 2 * Copyright (c) 1997 Yen Yen Lim and North Dakota State University 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Yen Yen Lim and 16 North Dakota State University 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 23 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 24 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 26 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* Based on UNI3.1 standard by ATM Forum */ 34 35 /* ATM traffic types based on VPI=0 and (the following VCI */ 36 #define VCI_PPC 0x05 /* Point-to-point signal msg */ 37 #define VCI_BCC 0x02 /* Broadcast signal msg */ 38 #define VCI_OAMF4SC 0x03 /* Segment OAM F4 flow cell */ 39 #define VCI_OAMF4EC 0x04 /* End-to-end OAM F4 flow cell */ 40 #define VCI_METAC 0x01 /* Meta signal msg */ 41 #define VCI_ILMIC 0x10 /* ILMI msg */ 42 43 /* Q.2931 signalling messages */ 44 #define CALL_PROCEED 0x02 /* call proceeding */ 45 #define CONNECT 0x07 /* connect */ 46 #define CONNECT_ACK 0x0f /* connect_ack */ 47 #define SETUP 0x05 /* setup */ 48 #define RELEASE 0x4d /* release */ 49 #define RELEASE_DONE 0x5a /* release_done */ 50 #define RESTART 0x46 /* restart */ 51 #define RESTART_ACK 0x4e /* restart ack */ 52 #define STATUS 0x7d /* status */ 53 #define STATUS_ENQ 0x75 /* status ack */ 54 #define ADD_PARTY 0x80 /* add party */ 55 #define ADD_PARTY_ACK 0x81 /* add party ack */ 56 #define ADD_PARTY_REJ 0x82 /* add party rej */ 57 #define DROP_PARTY 0x83 /* drop party */ 58 #define DROP_PARTY_ACK 0x84 /* drop party ack */ 59 60 /* Information Element Parameters in the signalling messages */ 61 #define CAUSE 0x08 /* cause */ 62 #define ENDPT_REF 0x54 /* endpoint reference */ 63 #define AAL_PARA 0x58 /* ATM adaptation layer parameters */ 64 #define TRAFF_DESCRIP 0x59 /* atm traffic descriptors */ 65 #define CONNECT_ID 0x5a /* connection identifier */ 66 #define QOS_PARA 0x5c /* quality of service parameters */ 67 #define B_HIGHER 0x5d /* broadband higher layer information */ 68 #define B_BEARER 0x5e /* broadband bearer capability */ 69 #define B_LOWER 0x5f /* broadband lower information */ 70 #define CALLING_PARTY 0x6c /* calling party number */ 71 #define CALLED_PARTY 0x70 /* called party nmber */ 72 73 #define Q2931 0x09 74 75 /* Q.2931 signalling general messages format */ 76 #define PROTO_POS 0 /* offset of protocol discriminator */ 77 #define CALL_REF_POS 2 /* offset of call reference value */ 78 #define MSG_TYPE_POS 5 /* offset of message type */ 79 #define MSG_LEN_POS 7 /* offset of message length */ 80 #define IE_BEGIN_POS 9 /* offset of first information element */ 81 82 /* format of signalling messages */ 83 #define TYPE_POS 0 84 #define LEN_POS 2 85 #define FIELD_BEGIN_POS 4 86