1 /* 2 * Copyright 2008-2012 Freescale Semiconductor Inc. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * * Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above copyright 9 * notice, this list of conditions and the following disclaimer in the 10 * documentation and/or other materials provided with the distribution. 11 * * Neither the name of Freescale Semiconductor nor the 12 * names of its contributors may be used to endorse or promote products 13 * derived from this software without specific prior written permission. 14 * 15 * 16 * ALTERNATIVELY, this software may be distributed under the terms of the 17 * GNU General Public License ("GPL") as published by the Free Software 18 * Foundation, either version 2 of that License or (at your option) any 19 * later version. 20 * 21 * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY 22 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY 25 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 28 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 34 /**************************************************************************//** 35 @File crc64.h 36 37 @Description brief This file contains the CRC64 Table, and __inline__ 38 functions used for calculating crc. 39 *//***************************************************************************/ 40 #ifndef __CRC64_H 41 #define __CRC64_H 42 43 #include "std_ext.h" 44 45 46 #define BITS_PER_BYTE 8 47 48 #define CRC64_EXPON_ECMA_182 0xC96C5795D7870F42ULL 49 #define CRC64_DEFAULT_INITVAL 0xFFFFFFFFFFFFFFFFULL 50 51 #define CRC64_BYTE_MASK 0xFF 52 #define CRC64_TABLE_ENTRIES ( 1 << BITS_PER_BYTE ) 53 #define CRC64_ODD_MASK 1 54 55 56 /** 57 \brief '64 bit crc' Table 58 */ 59 struct crc64_t { 60 uint64_t initial; /**< Initial seed */ 61 uint64_t table[CRC64_TABLE_ENTRIES]; /**< CRC table entries */ 62 }; 63 64 65 static struct crc64_t CRC64_ECMA_182 = { 66 CRC64_DEFAULT_INITVAL, 67 { 68 0x0000000000000000ULL, 69 0xb32e4cbe03a75f6fULL, 70 0xf4843657a840a05bULL, 71 0x47aa7ae9abe7ff34ULL, 72 0x7bd0c384ff8f5e33ULL, 73 0xc8fe8f3afc28015cULL, 74 0x8f54f5d357cffe68ULL, 75 0x3c7ab96d5468a107ULL, 76 0xf7a18709ff1ebc66ULL, 77 0x448fcbb7fcb9e309ULL, 78 0x0325b15e575e1c3dULL, 79 0xb00bfde054f94352ULL, 80 0x8c71448d0091e255ULL, 81 0x3f5f08330336bd3aULL, 82 0x78f572daa8d1420eULL, 83 0xcbdb3e64ab761d61ULL, 84 0x7d9ba13851336649ULL, 85 0xceb5ed8652943926ULL, 86 0x891f976ff973c612ULL, 87 0x3a31dbd1fad4997dULL, 88 0x064b62bcaebc387aULL, 89 0xb5652e02ad1b6715ULL, 90 0xf2cf54eb06fc9821ULL, 91 0x41e11855055bc74eULL, 92 0x8a3a2631ae2dda2fULL, 93 0x39146a8fad8a8540ULL, 94 0x7ebe1066066d7a74ULL, 95 0xcd905cd805ca251bULL, 96 0xf1eae5b551a2841cULL, 97 0x42c4a90b5205db73ULL, 98 0x056ed3e2f9e22447ULL, 99 0xb6409f5cfa457b28ULL, 100 0xfb374270a266cc92ULL, 101 0x48190ecea1c193fdULL, 102 0x0fb374270a266cc9ULL, 103 0xbc9d3899098133a6ULL, 104 0x80e781f45de992a1ULL, 105 0x33c9cd4a5e4ecdceULL, 106 0x7463b7a3f5a932faULL, 107 0xc74dfb1df60e6d95ULL, 108 0x0c96c5795d7870f4ULL, 109 0xbfb889c75edf2f9bULL, 110 0xf812f32ef538d0afULL, 111 0x4b3cbf90f69f8fc0ULL, 112 0x774606fda2f72ec7ULL, 113 0xc4684a43a15071a8ULL, 114 0x83c230aa0ab78e9cULL, 115 0x30ec7c140910d1f3ULL, 116 0x86ace348f355aadbULL, 117 0x3582aff6f0f2f5b4ULL, 118 0x7228d51f5b150a80ULL, 119 0xc10699a158b255efULL, 120 0xfd7c20cc0cdaf4e8ULL, 121 0x4e526c720f7dab87ULL, 122 0x09f8169ba49a54b3ULL, 123 0xbad65a25a73d0bdcULL, 124 0x710d64410c4b16bdULL, 125 0xc22328ff0fec49d2ULL, 126 0x85895216a40bb6e6ULL, 127 0x36a71ea8a7ace989ULL, 128 0x0adda7c5f3c4488eULL, 129 0xb9f3eb7bf06317e1ULL, 130 0xfe5991925b84e8d5ULL, 131 0x4d77dd2c5823b7baULL, 132 0x64b62bcaebc387a1ULL, 133 0xd7986774e864d8ceULL, 134 0x90321d9d438327faULL, 135 0x231c512340247895ULL, 136 0x1f66e84e144cd992ULL, 137 0xac48a4f017eb86fdULL, 138 0xebe2de19bc0c79c9ULL, 139 0x58cc92a7bfab26a6ULL, 140 0x9317acc314dd3bc7ULL, 141 0x2039e07d177a64a8ULL, 142 0x67939a94bc9d9b9cULL, 143 0xd4bdd62abf3ac4f3ULL, 144 0xe8c76f47eb5265f4ULL, 145 0x5be923f9e8f53a9bULL, 146 0x1c4359104312c5afULL, 147 0xaf6d15ae40b59ac0ULL, 148 0x192d8af2baf0e1e8ULL, 149 0xaa03c64cb957be87ULL, 150 0xeda9bca512b041b3ULL, 151 0x5e87f01b11171edcULL, 152 0x62fd4976457fbfdbULL, 153 0xd1d305c846d8e0b4ULL, 154 0x96797f21ed3f1f80ULL, 155 0x2557339fee9840efULL, 156 0xee8c0dfb45ee5d8eULL, 157 0x5da24145464902e1ULL, 158 0x1a083bacedaefdd5ULL, 159 0xa9267712ee09a2baULL, 160 0x955cce7fba6103bdULL, 161 0x267282c1b9c65cd2ULL, 162 0x61d8f8281221a3e6ULL, 163 0xd2f6b4961186fc89ULL, 164 0x9f8169ba49a54b33ULL, 165 0x2caf25044a02145cULL, 166 0x6b055fede1e5eb68ULL, 167 0xd82b1353e242b407ULL, 168 0xe451aa3eb62a1500ULL, 169 0x577fe680b58d4a6fULL, 170 0x10d59c691e6ab55bULL, 171 0xa3fbd0d71dcdea34ULL, 172 0x6820eeb3b6bbf755ULL, 173 0xdb0ea20db51ca83aULL, 174 0x9ca4d8e41efb570eULL, 175 0x2f8a945a1d5c0861ULL, 176 0x13f02d374934a966ULL, 177 0xa0de61894a93f609ULL, 178 0xe7741b60e174093dULL, 179 0x545a57dee2d35652ULL, 180 0xe21ac88218962d7aULL, 181 0x5134843c1b317215ULL, 182 0x169efed5b0d68d21ULL, 183 0xa5b0b26bb371d24eULL, 184 0x99ca0b06e7197349ULL, 185 0x2ae447b8e4be2c26ULL, 186 0x6d4e3d514f59d312ULL, 187 0xde6071ef4cfe8c7dULL, 188 0x15bb4f8be788911cULL, 189 0xa6950335e42fce73ULL, 190 0xe13f79dc4fc83147ULL, 191 0x521135624c6f6e28ULL, 192 0x6e6b8c0f1807cf2fULL, 193 0xdd45c0b11ba09040ULL, 194 0x9aefba58b0476f74ULL, 195 0x29c1f6e6b3e0301bULL, 196 0xc96c5795d7870f42ULL, 197 0x7a421b2bd420502dULL, 198 0x3de861c27fc7af19ULL, 199 0x8ec62d7c7c60f076ULL, 200 0xb2bc941128085171ULL, 201 0x0192d8af2baf0e1eULL, 202 0x4638a2468048f12aULL, 203 0xf516eef883efae45ULL, 204 0x3ecdd09c2899b324ULL, 205 0x8de39c222b3eec4bULL, 206 0xca49e6cb80d9137fULL, 207 0x7967aa75837e4c10ULL, 208 0x451d1318d716ed17ULL, 209 0xf6335fa6d4b1b278ULL, 210 0xb199254f7f564d4cULL, 211 0x02b769f17cf11223ULL, 212 0xb4f7f6ad86b4690bULL, 213 0x07d9ba1385133664ULL, 214 0x4073c0fa2ef4c950ULL, 215 0xf35d8c442d53963fULL, 216 0xcf273529793b3738ULL, 217 0x7c0979977a9c6857ULL, 218 0x3ba3037ed17b9763ULL, 219 0x888d4fc0d2dcc80cULL, 220 0x435671a479aad56dULL, 221 0xf0783d1a7a0d8a02ULL, 222 0xb7d247f3d1ea7536ULL, 223 0x04fc0b4dd24d2a59ULL, 224 0x3886b22086258b5eULL, 225 0x8ba8fe9e8582d431ULL, 226 0xcc0284772e652b05ULL, 227 0x7f2cc8c92dc2746aULL, 228 0x325b15e575e1c3d0ULL, 229 0x8175595b76469cbfULL, 230 0xc6df23b2dda1638bULL, 231 0x75f16f0cde063ce4ULL, 232 0x498bd6618a6e9de3ULL, 233 0xfaa59adf89c9c28cULL, 234 0xbd0fe036222e3db8ULL, 235 0x0e21ac88218962d7ULL, 236 0xc5fa92ec8aff7fb6ULL, 237 0x76d4de52895820d9ULL, 238 0x317ea4bb22bfdfedULL, 239 0x8250e80521188082ULL, 240 0xbe2a516875702185ULL, 241 0x0d041dd676d77eeaULL, 242 0x4aae673fdd3081deULL, 243 0xf9802b81de97deb1ULL, 244 0x4fc0b4dd24d2a599ULL, 245 0xfceef8632775faf6ULL, 246 0xbb44828a8c9205c2ULL, 247 0x086ace348f355aadULL, 248 0x34107759db5dfbaaULL, 249 0x873e3be7d8faa4c5ULL, 250 0xc094410e731d5bf1ULL, 251 0x73ba0db070ba049eULL, 252 0xb86133d4dbcc19ffULL, 253 0x0b4f7f6ad86b4690ULL, 254 0x4ce50583738cb9a4ULL, 255 0xffcb493d702be6cbULL, 256 0xc3b1f050244347ccULL, 257 0x709fbcee27e418a3ULL, 258 0x3735c6078c03e797ULL, 259 0x841b8ab98fa4b8f8ULL, 260 0xadda7c5f3c4488e3ULL, 261 0x1ef430e13fe3d78cULL, 262 0x595e4a08940428b8ULL, 263 0xea7006b697a377d7ULL, 264 0xd60abfdbc3cbd6d0ULL, 265 0x6524f365c06c89bfULL, 266 0x228e898c6b8b768bULL, 267 0x91a0c532682c29e4ULL, 268 0x5a7bfb56c35a3485ULL, 269 0xe955b7e8c0fd6beaULL, 270 0xaeffcd016b1a94deULL, 271 0x1dd181bf68bdcbb1ULL, 272 0x21ab38d23cd56ab6ULL, 273 0x9285746c3f7235d9ULL, 274 0xd52f0e859495caedULL, 275 0x6601423b97329582ULL, 276 0xd041dd676d77eeaaULL, 277 0x636f91d96ed0b1c5ULL, 278 0x24c5eb30c5374ef1ULL, 279 0x97eba78ec690119eULL, 280 0xab911ee392f8b099ULL, 281 0x18bf525d915feff6ULL, 282 0x5f1528b43ab810c2ULL, 283 0xec3b640a391f4fadULL, 284 0x27e05a6e926952ccULL, 285 0x94ce16d091ce0da3ULL, 286 0xd3646c393a29f297ULL, 287 0x604a2087398eadf8ULL, 288 0x5c3099ea6de60cffULL, 289 0xef1ed5546e415390ULL, 290 0xa8b4afbdc5a6aca4ULL, 291 0x1b9ae303c601f3cbULL, 292 0x56ed3e2f9e224471ULL, 293 0xe5c372919d851b1eULL, 294 0xa26908783662e42aULL, 295 0x114744c635c5bb45ULL, 296 0x2d3dfdab61ad1a42ULL, 297 0x9e13b115620a452dULL, 298 0xd9b9cbfcc9edba19ULL, 299 0x6a978742ca4ae576ULL, 300 0xa14cb926613cf817ULL, 301 0x1262f598629ba778ULL, 302 0x55c88f71c97c584cULL, 303 0xe6e6c3cfcadb0723ULL, 304 0xda9c7aa29eb3a624ULL, 305 0x69b2361c9d14f94bULL, 306 0x2e184cf536f3067fULL, 307 0x9d36004b35545910ULL, 308 0x2b769f17cf112238ULL, 309 0x9858d3a9ccb67d57ULL, 310 0xdff2a94067518263ULL, 311 0x6cdce5fe64f6dd0cULL, 312 0x50a65c93309e7c0bULL, 313 0xe388102d33392364ULL, 314 0xa4226ac498dedc50ULL, 315 0x170c267a9b79833fULL, 316 0xdcd7181e300f9e5eULL, 317 0x6ff954a033a8c131ULL, 318 0x28532e49984f3e05ULL, 319 0x9b7d62f79be8616aULL, 320 0xa707db9acf80c06dULL, 321 0x14299724cc279f02ULL, 322 0x5383edcd67c06036ULL, 323 0xe0ada17364673f59ULL 324 } 325 }; 326 327 328 /** 329 \brief Initializes the crc seed 330 */ 331 static __inline__ uint64_t crc64_init(void) 332 { 333 return CRC64_ECMA_182.initial; 334 } 335 336 /** 337 \brief Computes 64 bit the crc 338 \param[in] data Pointer to the Data in the frame 339 \param[in] len Length of the Data 340 \param[in] crc seed 341 \return calculated crc 342 */ 343 static __inline__ uint64_t crc64_compute(void const *data, 344 uint32_t len, 345 uint64_t seed) 346 { 347 uint32_t i; 348 uint64_t crc = seed; 349 uint8_t *bdata = (uint8_t *) data; 350 351 for (i = 0; i < len; i++) 352 crc = 353 CRC64_ECMA_182. 354 table[(crc ^ *bdata++) & CRC64_BYTE_MASK] ^ (crc >> 8); 355 356 return crc; 357 } 358 359 360 #endif /* __CRC64_H */ 361