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 34 extern "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 52 struct 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 87 struct 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 */ 100 101 struct 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 */ 124 125 struct 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 147 148 struct 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 */ 167 168 struct ddp_adsp_att { 169 struct ddp_adsphdr ad; 170 uint8_t ad_att_code[2]; /* short */ 171 }; 172 173 struct 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 187 188 189 uint16_t get_short(uint8_t *); 190 uint32_t get_long(uint8_t *); 191 192 extern void interpret_aarp(int, char *, int); 193 extern void interpret_at(int, struct ddp_hdr *, int); 194 extern void interpret_nbp(int, struct nbp_hdr *, int); 195 extern void interpret_rtmp(int, struct ddp_hdr *, int); 196 extern void interpret_aecho(int, struct ddp_hdr *, int); 197 extern void interpret_atp(int, struct ddp_hdr *, int); 198 extern void interpret_adsp(int, struct ddp_adsphdr *, int); 199 extern void interpret_ddp_zip(int, struct zip_hdr *, int); 200 extern void interpret_atp_zip(int, struct atp_hdr *, int); 201 202 #ifdef __cplusplus 203 } 204 #endif 205 206 #endif /* _AT_H */ 207