1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22/* 23 * Copyright (c) 2001 by Sun Microsystems, Inc. 24 * All rights reserved. 25 * 26 */ 27 28#ifndef _AT_H 29#define _AT_H 30 31#pragma ident "%Z%%M% %I% %E% SMI" 32 33#ifdef __cplusplus 34extern "C" { 35#endif 36 37/* 38 * There is a lot of alignment problems in AppleTalk packets. 39 * This is the reason some of the headers use uint8_t arrays instead of the 40 * natural datatype. 41 */ 42 43/* AARP */ 44 45#define AARP_REQ 1 46#define AARP_RESP 2 47#define AARP_PROBE 3 48 49 50/* DDP */ 51 52struct ddp_hdr { 53 uint8_t ddp_hop_len; 54 uint8_t ddp_len_lo; 55 uint16_t ddp_cksum; 56 uint16_t ddp_dest_net; 57 uint16_t ddp_src_net; 58 uint8_t ddp_dest_id; 59 uint8_t ddp_src_id; 60 uint8_t ddp_dest_sock; 61 uint8_t ddp_src_sock; 62 uint8_t ddp_type; 63}; 64 65#define ddp_pad(x) ((x)->ddp_hop_len & 0xc0) 66#define ddp_hop(x) (((x)->ddp_hop_len >> 2) & 0xf) 67#define ddp_len(x) ((((x)->ddp_hop_len & 0x3) << 8) + (x)->ddp_len_lo) 68 69#define DDPHDR_SIZE 13 70 71#define DDP_TYPE_RTMPRQ 5 72#define DDP_TYPE_RTMPRESP 1 73#define DDP_TYPE_NBP 2 74#define DDP_TYPE_ATP 3 75#define DDP_TYPE_AEP 4 76#define DDP_TYPE_ZIP 6 77#define DDP_TYPE_ADSP 7 78 79 80/* AECHO */ 81 82#define AEP_REQ 1 83#define AEP_REPLY 2 84 85/* NBP */ 86 87struct nbp_hdr { 88 uint8_t ddphdr[DDPHDR_SIZE]; 89 uint8_t nbp_fun_cnt; 90 uint8_t nbp_id; 91}; 92 93#define NBP_BRRQ 1 94#define NBP_LKUP 2 95#define NBP_LKUP_REPLY 3 96#define NBP_FWDREQ 4 97 98 99/* ZIP */ 100 101struct zip_hdr { 102 uint8_t ddphdr[DDPHDR_SIZE]; 103 uint8_t zip_func; 104 uint8_t zip_netcnt; 105}; 106 107#define ZIP_QUERY 1 108#define ZIP_REPLY 2 109#define ZIP_GET_NET_INFO 5 110#define ZIP_GET_NET_INFO_REPLY 6 111#define ZIP_NOTIFY 7 112#define ZIP_EXT_REPLY 8 113 114#define ZIP_ATP_GETMYZONE 7 115#define ZIP_ATP_GETZONELIST 8 116#define ZIP_ATP_GETLOCALZONES 9 117 118#define ZIP_FLG_ONEZ 0x20 119#define ZIP_FLG_USEBRC 0x40 120#define ZIP_FLG_ZINV 0x80 121 122 123/* ATP */ 124 125struct atp_hdr { 126 uint8_t ddphdr[DDPHDR_SIZE]; 127 uint8_t atp_ctrl; 128 uint8_t atp_seq; 129 uint8_t atp_tid[2]; 130 uint8_t atp_user[4]; 131}; 132 133#define ATPHDR_SIZE 8 134 135#define atp_fun(x) (((x) >> 6) & 0x3) 136#define atp_tmo(x) ((x) & 0x7) 137 138#define ATP_TREQ 1 139#define ATP_TRESP 2 140#define ATP_TREL 3 141#define ATP_FLG_STS 0x08 142#define ATP_FLG_EOM 0x10 143#define ATP_FLG_XO 0x20 144 145 146#define NODE_ID_BROADCAST 0xff 147 148struct ddp_adsphdr { 149 uint8_t ddphdr[DDPHDR_SIZE]; 150 uint8_t ad_connid[2]; /* short */ 151 uint8_t ad_fbseq[4]; /* long */ 152 uint8_t ad_nrseq[4]; /* long */ 153 uint8_t ad_rcvwin[2]; /* short */ 154 uint8_t ad_desc; 155}; 156 157#define AD_CTRL 0x80 158#define AD_ACKREQ 0x40 159#define AD_EOM 0x20 160#define AD_ATT 0x10 161#define AD_CTRL_MASK 0x0f 162 163#define AD_CREQ 0x81 /* Open Conn Request */ 164#define AD_CACK 0x82 /* Open Conn Ack */ 165#define AD_CREQ_ACK 0x83 /* Open Conn Req+Ack */ 166#define AD_CDENY 0x84 /* Open Conn Denial */ 167 168struct ddp_adsp_att { 169 struct ddp_adsphdr ad; 170 uint8_t ad_att_code[2]; /* short */ 171}; 172 173struct ddp_adsp_open { 174 struct ddp_adsphdr ad; 175 uint8_t ad_version[2]; /* short */ 176 uint8_t ad_dconnid[2]; /* short */ 177 uint8_t ad_attseq[4]; /* long */ 178}; 179 180#define RTMP_REQ 1 181#define RTMP_RDR_SH 2 /* Route Data Request, split horizon */ 182#define RTMP_RDR_NSH 3 /* Route Data Request, no split horizon */ 183 184#define RTMP_DIST_MASK 0x1f 185#define RTMP_EXTEND 0x80 186#define RTMP_FILLER 0x82 187 188 189uint16_t get_short(uint8_t *); 190uint32_t get_long(uint8_t *); 191 192extern void interpret_aarp(int, char *, int); 193extern void interpret_at(int, struct ddp_hdr *, int); 194extern void interpret_nbp(int, struct nbp_hdr *, int); 195extern void interpret_rtmp(int, struct ddp_hdr *, int); 196extern void interpret_aecho(int, struct ddp_hdr *, int); 197extern void interpret_atp(int, struct ddp_hdr *, int); 198extern void interpret_adsp(int, struct ddp_adsphdr *, int); 199extern void interpret_ddp_zip(int, struct zip_hdr *, int); 200extern void interpret_atp_zip(int, struct atp_hdr *, int); 201 202#ifdef __cplusplus 203} 204#endif 205 206#endif /* _AT_H */ 207