| | 1 | /* |
| | 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * The contents of this file constitute Original Code as defined in and |
| | 7 | * are subject to the Apple Public Source License Version 1.1 (the |
| | 8 | * "License"). You may not use this file except in compliance with the |
| | 9 | * License. Please obtain a copy of the License at |
| | 10 | * http://www.apple.com/publicsource and read it before using this file. |
| | 11 | * |
| | 12 | * This Original Code and all software distributed under the License are |
| | 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the |
| | 17 | * License for the specific language governing rights and limitations |
| | 18 | * under the License. |
| | 19 | * |
| | 20 | * @APPLE_LICENSE_HEADER_END@ |
| | 21 | */ |
| | 22 | /*- |
| | 23 | * Copyright (c) 1991, 1993 |
| | 24 | * The Regents of the University of California. All rights reserved. |
| | 25 | * |
| | 26 | * Redistribution and use in source and binary forms, with or without |
| | 27 | * modification, are permitted provided that the following conditions |
| | 28 | * are met: |
| | 29 | * 1. Redistributions of source code must retain the above copyright |
| | 30 | * notice, this list of conditions and the following disclaimer. |
| | 31 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 32 | * notice, this list of conditions and the following disclaimer in the |
| | 33 | * documentation and/or other materials provided with the distribution. |
| | 34 | * 3. All advertising materials mentioning features or use of this software |
| | 35 | * must display the following acknowledgement: |
| | 36 | * This product includes software developed by the University of |
| | 37 | * California, Berkeley and its contributors. |
| | 38 | * 4. Neither the name of the University nor the names of its contributors |
| | 39 | * may be used to endorse or promote products derived from this software |
| | 40 | * without specific prior written permission. |
| | 41 | * |
| | 42 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| | 43 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 44 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 45 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| | 46 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 47 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 48 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 49 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 50 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 51 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 52 | * SUCH DAMAGE. |
| | 53 | * |
| | 54 | * @(#)tp_tpdu.h 8.1 (Berkeley) 6/10/93 |
| | 55 | */ |
| | 56 | |
| | 57 | /*********************************************************** |
| | 58 | Copyright IBM Corporation 1987 |
| | 59 | |
| | 60 | All Rights Reserved |
| | 61 | |
| | 62 | Permission to use, copy, modify, and distribute this software and its |
| | 63 | documentation for any purpose and without fee is hereby granted, |
| | 64 | provided that the above copyright notice appear in all copies and that |
| | 65 | both that copyright notice and this permission notice appear in |
| | 66 | supporting documentation, and that the name of IBM not be |
| | 67 | used in advertising or publicity pertaining to distribution of the |
| | 68 | software without specific, written prior permission. |
| | 69 | |
| | 70 | IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING |
| | 71 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL |
| | 72 | IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR |
| | 73 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
| | 74 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
| | 75 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
| | 76 | SOFTWARE. |
| | 77 | |
| | 78 | ******************************************************************/ |
| | 79 | |
| | 80 | /* |
| | 81 | * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison |
| | 82 | */ |
| | 83 | /* |
| | 84 | * ARGO TP |
| | 85 | * |
| | 86 | * This ghastly set of macros makes it possible to |
| | 87 | * refer to tpdu structures without going mad. |
| | 88 | */ |
| | 89 | |
| | 90 | #ifndef __TP_TPDU__ |
| | 91 | #define __TP_TPDU__ |
| | 92 | |
| | 93 | #ifndef BYTE_ORDER |
| | 94 | /* |
| | 95 | * Definitions for byte order, |
| | 96 | * according to byte significance from low address to high. |
| | 97 | */ |
| | 98 | #define LITTLE_ENDIAN 1234 /* least-significant byte first (vax) */ |
| | 99 | #define BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */ |
| | 100 | #define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp) */ |
| | 101 | |
| | 102 | #ifdef vax |
| | 103 | #define BYTE_ORDER LITTLE_ENDIAN |
| | 104 | #else |
| | 105 | #define BYTE_ORDER BIG_ENDIAN /* mc68000, tahoe, most others */ |
| | 106 | #endif |
| | 107 | #endif /* BYTE_ORDER */ |
| | 108 | |
| | 109 | /* This much of a tpdu is the same for all types of tpdus (except |
| | 110 | * DT tpdus in class 0; their exceptions are handled by the data |
| | 111 | * structure below |
| | 112 | */ |
| | 113 | struct tpdu_fixed { |
| | 114 | u_char _tpduf_li:8, /* length indicator */ |
| | 115 | #if BYTE_ORDER == LITTLE_ENDIAN |
| | 116 | _tpduf_cdt: 4, /* credit */ |
| | 117 | _tpduf_type: 4; /* type of tpdu (DT, CR, etc.) */ |
| | 118 | #endif |
| | 119 | #if BYTE_ORDER == BIG_ENDIAN |
| | 120 | _tpduf_type: 4, /* type of tpdu (DT, CR, etc.) */ |
| | 121 | _tpduf_cdt: 4; /* credit */ |
| | 122 | #endif |
| | 123 | u_short _tpduf_dref; /* destination ref; not in DT in class 0 */ |
| | 124 | }; |
| | 125 | |
| | 126 | #define tpdu_li _tpduf._tpduf_li |
| | 127 | #define tpdu_type _tpduf._tpduf_type |
| | 128 | #define tpdu_cdt _tpduf._tpduf_cdt |
| | 129 | #define tpdu_dref _tpduf._tpduf_dref |
| | 130 | |
| | 131 | struct tp0du { |
| | 132 | u_char _tp0_li, |
| | 133 | _tp0_cdt_type, /* same as in tpdu_fixed */ |
| | 134 | #if BYTE_ORDER == BIG_ENDIAN |
| | 135 | _tp0_eot: 1, /* eot */ |
| | 136 | _tp0_mbz: 7, /* must be zero */ |
| | 137 | #endif |
| | 138 | #if BYTE_ORDER == LITTLE_ENDIAN |
| | 139 | _tp0_mbz: 7, /* must be zero */ |
| | 140 | _tp0_eot: 1, /* eot */ |
| | 141 | #endif |
| | 142 | _tp0_notused: 8; /* data begins on this octet */ |
| | 143 | }; |
| | 144 | |
| | 145 | #define tp0du_eot _tp0_eot |
| | 146 | #define tp0du_mbz _tp0_mbz |
| | 147 | |
| | 148 | /* |
| | 149 | * This is used when the extended format seqence numbers are |
| | 150 | * being sent and received. |
| | 151 | */ |
| | 152 | /* |
| | 153 | * the seqeot field is an int that overlays the seq |
| | 154 | * and eot fields, this allows the htonl operation |
| | 155 | * to be applied to the entire 32 bit quantity, and |
| | 156 | * simplifies the structure definitions. |
| | 157 | */ |
| | 158 | union seq_type { |
| | 159 | struct { |
| | 160 | #if BYTE_ORDER == BIG_ENDIAN |
| | 161 | unsigned int st_eot:1, /* end-of-tsdu */ |
| | 162 | st_seq:31; /* 31 bit sequence number */ |
| | 163 | #endif |
| | 164 | #if BYTE_ORDER == LITTLE_ENDIAN |
| | 165 | unsigned int st_seq:31, /* 31 bit sequence number */ |
| | 166 | st_eot:1; /* end-of-tsdu */ |
| | 167 | #endif |
| | 168 | } st; |
| | 169 | unsigned int s_seqeot; |
| | 170 | #define s_eot st.st_eot |
| | 171 | #define s_seq st.st_seq |
| | 172 | }; |
| | 173 | |
| | 174 | /* Then most tpdu types have a portion that is always present but |
| | 175 | * differs among the tpdu types : |
| | 176 | */ |
| | 177 | union tpdu_fixed_rest { |
| | 178 | |
| | 179 | struct { |
| | 180 | u_short _tpdufr_sref, /* source reference */ |
| | 181 | #if BYTE_ORDER == BIG_ENDIAN |
| | 182 | _tpdufr_class: 4, /* class [ ISO 8073 13.3.3.e ] */ |
| | 183 | _tpdufr_opt: 4, /* options [ ISO 8073 13.3.3.e ] */ |
| | 184 | #endif |
| | 185 | #if BYTE_ORDER == LITTLE_ENDIAN |
| | 186 | _tpdufr_opt: 4, /* options [ ISO 8073 13.3.3.e ] */ |
| | 187 | _tpdufr_class: 4, /* class [ ISO 8073 13.3.3.e ] */ |
| | 188 | #endif |
| | 189 | _tpdufr_xx: 8; /* unused */ |
| | 190 | } CRCC; |
| | 191 | |
| | 192 | #define tpdu_CRli _tpduf._tpduf_li |
| | 193 | #define tpdu_CRtype _tpduf._tpduf_type |
| | 194 | #define tpdu_CRcdt _tpduf._tpduf_cdt |
| | 195 | #define tpdu_CRdref_0 _tpduf._tpduf_dref |
| | 196 | #define tpdu_CRsref _tpdufr.CRCC._tpdufr_sref |
| | 197 | #define tpdu_sref _tpdufr.CRCC._tpdufr_sref |
| | 198 | #define tpdu_CRclass _tpdufr.CRCC._tpdufr_class |
| | 199 | #define tpdu_CRoptions _tpdufr.CRCC._tpdufr_opt |
| | 200 | |
| | 201 | #define tpdu_CCli _tpduf._tpduf_li |
| | 202 | #define tpdu_CCtype _tpduf._tpduf_type |
| | 203 | #define tpdu_CCcdt _tpduf._tpduf_cdt |
| | 204 | #define tpdu_CCdref _tpduf._tpduf_dref |
| | 205 | #define tpdu_CCsref _tpdufr.CRCC._tpdufr_sref |
| | 206 | #define tpdu_CCclass _tpdufr.CRCC._tpdufr_class |
| | 207 | #define tpdu_CCoptions _tpdufr.CRCC._tpdufr_opt |
| | 208 | |
| | 209 | /* OPTIONS and ADDL OPTIONS bits */ |
| | 210 | #define TPO_USE_EFC 0x1 |
| | 211 | #define TPO_XTD_FMT 0x2 |
| | 212 | #define TPAO_USE_TXPD 0x1 |
| | 213 | #define TPAO_NO_CSUM 0x2 |
| | 214 | #define TPAO_USE_RCC 0x4 |
| | 215 | #define TPAO_USE_NXPD 0x8 |
| | 216 | |
| | 217 | struct { |
| | 218 | unsigned short _tpdufr_sref; /* source reference */ |
| | 219 | unsigned char _tpdufr_reason; /* [ ISO 8073 13.5.3.d ] */ |
| | 220 | } DR; |
| | 221 | #define tpdu_DRli _tpduf._tpduf_li |
| | 222 | #define tpdu_DRtype _tpduf._tpduf_type |
| | 223 | #define tpdu_DRdref _tpduf._tpduf_dref |
| | 224 | #define tpdu_DRsref _tpdufr.DR._tpdufr_sref |
| | 225 | #define tpdu_DRreason _tpdufr.DR._tpdufr_reason |
| | 226 | |
| | 227 | unsigned short _tpdufr_sref; /* source reference */ |
| | 228 | |
| | 229 | #define tpdu_DCli _tpduf._tpduf_li |
| | 230 | #define tpdu_DCtype _tpduf._tpduf_type |
| | 231 | #define tpdu_DCdref _tpduf._tpduf_dref |
| | 232 | #define tpdu_DCsref _tpdufr._tpdufr_sref |
| | 233 | |
| | 234 | struct { |
| | 235 | #if BYTE_ORDER == BIG_ENDIAN |
| | 236 | unsigned char _tpdufr_eot:1, /* end-of-tsdu */ |
| | 237 | _tpdufr_seq:7; /* 7 bit sequence number */ |
| | 238 | #endif |
| | 239 | #if BYTE_ORDER == LITTLE_ENDIAN |
| | 240 | unsigned char _tpdufr_seq:7, /* 7 bit sequence number */ |
| | 241 | _tpdufr_eot:1; /* end-of-tsdu */ |
| | 242 | #endif |
| | 243 | }SEQEOT; |
| | 244 | struct { |
| | 245 | #if BYTE_ORDER == BIG_ENDIAN |
| | 246 | unsigned int _tpdufr_Xeot:1, /* end-of-tsdu */ |
| | 247 | _tpdufr_Xseq:31; /* 31 bit sequence number */ |
| | 248 | #endif |
| | 249 | #if BYTE_ORDER == LITTLE_ENDIAN |
| | 250 | unsigned int _tpdufr_Xseq:31, /* 31 bit sequence number */ |
| | 251 | _tpdufr_Xeot:1; /* end-of-tsdu */ |
| | 252 | #endif |
| | 253 | }SEQEOT31; |
| | 254 | unsigned int _tpdufr_Xseqeot; |
| | 255 | #define tpdu_seqeotX _tpdufr._tpdufr_Xseqeot |
| | 256 | |
| | 257 | #define tpdu_DTli _tpduf._tpduf_li |
| | 258 | #define tpdu_DTtype _tpduf._tpduf_type |
| | 259 | #define tpdu_DTdref _tpduf._tpduf_dref |
| | 260 | #define tpdu_DTseq _tpdufr.SEQEOT._tpdufr_seq |
| | 261 | #define tpdu_DTeot _tpdufr.SEQEOT._tpdufr_eot |
| | 262 | #define tpdu_DTseqX _tpdufr.SEQEOT31._tpdufr_Xseq |
| | 263 | #define tpdu_DTeotX _tpdufr.SEQEOT31._tpdufr_Xeot |
| | 264 | |
| | 265 | #define tpdu_XPDli _tpduf._tpduf_li |
| | 266 | #define tpdu_XPDtype _tpduf._tpduf_type |
| | 267 | #define tpdu_XPDdref _tpduf._tpduf_dref |
| | 268 | #define tpdu_XPDseq _tpdufr.SEQEOT._tpdufr_seq |
| | 269 | #define tpdu_XPDeot _tpdufr.SEQEOT._tpdufr_eot |
| | 270 | #define tpdu_XPDseqX _tpdufr.SEQEOT31._tpdufr_Xseq |
| | 271 | #define tpdu_XPDeotX _tpdufr.SEQEOT31._tpdufr_Xeot |
| | 272 | |
| | 273 | struct { |
| | 274 | #if BYTE_ORDER == BIG_ENDIAN |
| | 275 | unsigned _tpdufr_yrseq0:1, /* always zero */ |
| | 276 | _tpdufr_yrseq:31; /* [ ISO 8073 13.9.3.d ] */ |
| | 277 | #endif |
| | 278 | #if BYTE_ORDER == LITTLE_ENDIAN |
| | 279 | unsigned _tpdufr_yrseq:31, /* [ ISO 8073 13.9.3.d ] */ |
| | 280 | _tpdufr_yrseq0:1; /* always zero */ |
| | 281 | #endif |
| | 282 | unsigned short _tpdufr_cdt; /* [ ISO 8073 13.9.3.b ] */ |
| | 283 | } AK31; |
| | 284 | |
| | 285 | #define tpdu_AKli _tpduf._tpduf_li |
| | 286 | #define tpdu_AKtype _tpduf._tpduf_type |
| | 287 | #define tpdu_AKdref _tpduf._tpduf_dref |
| | 288 | #define tpdu_AKseq _tpdufr.SEQEOT._tpdufr_seq |
| | 289 | #define tpdu_AKseqX _tpdufr.AK31._tpdufr_yrseq |
| | 290 | /* location of cdt depends on size of seq. numbers */ |
| | 291 | #define tpdu_AKcdt _tpduf._tpduf_cdt |
| | 292 | #define tpdu_AKcdtX _tpdufr.AK31._tpdufr_cdt |
| | 293 | |
| | 294 | #define tpdu_XAKli _tpduf._tpduf_li |
| | 295 | #define tpdu_XAKtype _tpduf._tpduf_type |
| | 296 | #define tpdu_XAKdref _tpduf._tpduf_dref |
| | 297 | #define tpdu_XAKseq _tpdufr.SEQEOT._tpdufr_seq |
| | 298 | #define tpdu_XAKseqX _tpdufr.SEQEOT31._tpdufr_Xseq |
| | 299 | |
| | 300 | unsigned char _tpdu_ERreason; /* [ ISO 8073 13.12.3.c ] */ |
| | 301 | |
| | 302 | #define tpdu_ERli _tpduf._tpduf_li |
| | 303 | #define tpdu_ERtype _tpduf._tpduf_type |
| | 304 | #define tpdu_ERdref _tpduf._tpduf_dref |
| | 305 | #define tpdu_ERreason _tpdufr._tpdu_ERreason |
| | 306 | |
| | 307 | }; |
| | 308 | |
| | 309 | struct tpdu { |
| | 310 | struct tpdu_fixed _tpduf; |
| | 311 | union tpdu_fixed_rest _tpdufr; |
| | 312 | }; |
| | 313 | |
| | 314 | #endif /* __TP_TPDU__ */ |
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