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 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 /* 36 * There is a lot of alignment problems in AppleTalk packets. 37 * This is the reason some of the headers use uint8_t arrays instead of the 38 * natural datatype. 39 */ 40 41 /* AARP */ 42 43 #define AARP_REQ 1 44 #define AARP_RESP 2 45 #define AARP_PROBE 3 46 47 48 /* DDP */ 49 50 struct ddp_hdr { 51 uint8_t ddp_hop_len; 52 uint8_t ddp_len_lo; 53 uint16_t ddp_cksum; 54 uint16_t ddp_dest_net; 55 uint16_t ddp_src_net; 56 uint8_t ddp_dest_id; 57 uint8_t ddp_src_id; 58 uint8_t ddp_dest_sock; 59 uint8_t ddp_src_sock; 60 uint8_t ddp_type; 61 }; 62 63 #define ddp_pad(x) ((x)->ddp_hop_len & 0xc0) 64 #define ddp_hop(x) (((x)->ddp_hop_len >> 2) & 0xf) 65 #define ddp_len(x) ((((x)->ddp_hop_len & 0x3) << 8) + (x)->ddp_len_lo) 66 67 #define DDPHDR_SIZE 13 68 69 #define DDP_TYPE_RTMPRQ 5 70 #define DDP_TYPE_RTMPRESP 1 71 #define DDP_TYPE_NBP 2 72 #define DDP_TYPE_ATP 3 73 #define DDP_TYPE_AEP 4 74 #define DDP_TYPE_ZIP 6 75 #define DDP_TYPE_ADSP 7 76 77 78 /* AECHO */ 79 80 #define AEP_REQ 1 81 #define AEP_REPLY 2 82 83 /* NBP */ 84 85 struct nbp_hdr { 86 uint8_t ddphdr[DDPHDR_SIZE]; 87 uint8_t nbp_fun_cnt; 88 uint8_t nbp_id; 89 }; 90 91 #define NBP_BRRQ 1 92 #define NBP_LKUP 2 93 #define NBP_LKUP_REPLY 3 94 #define NBP_FWDREQ 4 95 96 97 /* ZIP */ 98 99 struct zip_hdr { 100 uint8_t ddphdr[DDPHDR_SIZE]; 101 uint8_t zip_func; 102 uint8_t zip_netcnt; 103 }; 104 105 #define ZIP_QUERY 1 106 #define ZIP_REPLY 2 107 #define ZIP_GET_NET_INFO 5 108 #define ZIP_GET_NET_INFO_REPLY 6 109 #define ZIP_NOTIFY 7 110 #define ZIP_EXT_REPLY 8 111 112 #define ZIP_ATP_GETMYZONE 7 113 #define ZIP_ATP_GETZONELIST 8 114 #define ZIP_ATP_GETLOCALZONES 9 115 116 #define ZIP_FLG_ONEZ 0x20 117 #define ZIP_FLG_USEBRC 0x40 118 #define ZIP_FLG_ZINV 0x80 119 120 121 /* ATP */ 122 123 struct atp_hdr { 124 uint8_t ddphdr[DDPHDR_SIZE]; 125 uint8_t atp_ctrl; 126 uint8_t atp_seq; 127 uint8_t atp_tid[2]; 128 uint8_t atp_user[4]; 129 }; 130 131 #define ATPHDR_SIZE 8 132 133 #define atp_fun(x) (((x) >> 6) & 0x3) 134 #define atp_tmo(x) ((x) & 0x7) 135 136 #define ATP_TREQ 1 137 #define ATP_TRESP 2 138 #define ATP_TREL 3 139 #define ATP_FLG_STS 0x08 140 #define ATP_FLG_EOM 0x10 141 #define ATP_FLG_XO 0x20 142 143 144 #define NODE_ID_BROADCAST 0xff 145 146 struct ddp_adsphdr { 147 uint8_t ddphdr[DDPHDR_SIZE]; 148 uint8_t ad_connid[2]; /* short */ 149 uint8_t ad_fbseq[4]; /* long */ 150 uint8_t ad_nrseq[4]; /* long */ 151 uint8_t ad_rcvwin[2]; /* short */ 152 uint8_t ad_desc; 153 }; 154 155 #define AD_CTRL 0x80 156 #define AD_ACKREQ 0x40 157 #define AD_EOM 0x20 158 #define AD_ATT 0x10 159 #define AD_CTRL_MASK 0x0f 160 161 #define AD_CREQ 0x81 /* Open Conn Request */ 162 #define AD_CACK 0x82 /* Open Conn Ack */ 163 #define AD_CREQ_ACK 0x83 /* Open Conn Req+Ack */ 164 #define AD_CDENY 0x84 /* Open Conn Denial */ 165 166 struct ddp_adsp_att { 167 struct ddp_adsphdr ad; 168 uint8_t ad_att_code[2]; /* short */ 169 }; 170 171 struct ddp_adsp_open { 172 struct ddp_adsphdr ad; 173 uint8_t ad_version[2]; /* short */ 174 uint8_t ad_dconnid[2]; /* short */ 175 uint8_t ad_attseq[4]; /* long */ 176 }; 177 178 #define RTMP_REQ 1 179 #define RTMP_RDR_SH 2 /* Route Data Request, split horizon */ 180 #define RTMP_RDR_NSH 3 /* Route Data Request, no split horizon */ 181 182 #define RTMP_DIST_MASK 0x1f 183 #define RTMP_EXTEND 0x80 184 #define RTMP_FILLER 0x82 185 186 187 uint16_t get_short(uint8_t *); 188 uint32_t get_long(uint8_t *); 189 190 extern void interpret_aarp(int, char *, int); 191 extern void interpret_at(int, struct ddp_hdr *, int); 192 extern void interpret_nbp(int, struct nbp_hdr *, int); 193 extern void interpret_rtmp(int, struct ddp_hdr *, int); 194 extern void interpret_aecho(int, struct ddp_hdr *, int); 195 extern void interpret_atp(int, struct ddp_hdr *, int); 196 extern void interpret_adsp(int, struct ddp_adsphdr *, int); 197 extern void interpret_ddp_zip(int, struct zip_hdr *, int); 198 extern void interpret_atp_zip(int, struct atp_hdr *, int); 199 200 #ifdef __cplusplus 201 } 202 #endif 203 204 #endif /* _AT_H */ 205