Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 1 | /* |
| 2 | * EdgeTest.cpp |
| 3 | * |
| 4 | * Copyright (C) 2015 by Sysmocom s.f.m.c. GmbH |
| 5 | * |
| 6 | * All Rights Reserved |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU Affero General Public License as published by |
| 10 | * the Free Software Foundation; either version 3 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Affero General Public License |
| 19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | #include "gprs_debug.h" |
| 24 | #include "gprs_coding_scheme.h" |
Jacob Erlbeck | 6167925 | 2015-12-11 18:25:21 +0100 | [diff] [blame] | 25 | #include "decoding.h" |
Jacob Erlbeck | f0e4039 | 2016-01-08 10:07:53 +0100 | [diff] [blame] | 26 | #include "encoding.h" |
Jacob Erlbeck | 6167925 | 2015-12-11 18:25:21 +0100 | [diff] [blame] | 27 | #include "rlc.h" |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 28 | #include "llc.h" |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 29 | |
| 30 | extern "C" { |
| 31 | #include "pcu_vty.h" |
| 32 | |
| 33 | #include <osmocom/core/application.h> |
| 34 | #include <osmocom/core/msgb.h> |
| 35 | #include <osmocom/core/talloc.h> |
| 36 | #include <osmocom/core/utils.h> |
| 37 | #include <osmocom/vty/vty.h> |
| 38 | } |
| 39 | |
| 40 | #include <errno.h> |
Jacob Erlbeck | f0e4039 | 2016-01-08 10:07:53 +0100 | [diff] [blame] | 41 | #include <string.h> |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 42 | |
| 43 | void *tall_pcu_ctx; |
| 44 | int16_t spoof_mnc = 0, spoof_mcc = 0; |
| 45 | |
| 46 | static void check_coding_scheme(GprsCodingScheme& cs, GprsCodingScheme::Mode mode) |
| 47 | { |
| 48 | volatile unsigned expected_size; |
Jacob Erlbeck | 2305afd | 2016-02-03 15:25:04 +0100 | [diff] [blame] | 49 | bool need_padding; |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 50 | GprsCodingScheme new_cs; |
| 51 | |
| 52 | OSMO_ASSERT(cs.isValid()); |
| 53 | OSMO_ASSERT(cs.isCompatible(mode)); |
| 54 | |
| 55 | /* Check static getBySizeUL() */ |
Jacob Erlbeck | fc1b3e6 | 2016-01-11 09:58:11 +0100 | [diff] [blame] | 56 | expected_size = cs.usedSizeUL(); |
| 57 | if (cs.spareBitsUL() > 0 && cs.isGprs()) |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 58 | expected_size += 1; |
| 59 | OSMO_ASSERT(expected_size == cs.sizeUL()); |
| 60 | OSMO_ASSERT(cs == GprsCodingScheme::getBySizeUL(expected_size)); |
| 61 | |
| 62 | /* Check static sizeUL() */ |
Jacob Erlbeck | fc1b3e6 | 2016-01-11 09:58:11 +0100 | [diff] [blame] | 63 | expected_size = cs.usedSizeDL(); |
| 64 | if (cs.spareBitsDL() > 0 && cs.isGprs()) |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 65 | expected_size += 1; |
| 66 | OSMO_ASSERT(expected_size == cs.sizeDL()); |
| 67 | |
Jacob Erlbeck | 392a545 | 2015-12-14 10:38:29 +0100 | [diff] [blame] | 68 | /* Check data block sizes */ |
| 69 | OSMO_ASSERT(cs.maxDataBlockBytes() * cs.numDataBlocks() < cs.maxBytesDL()); |
| 70 | OSMO_ASSERT(cs.maxDataBlockBytes() * cs.numDataBlocks() < cs.maxBytesUL()); |
| 71 | |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 72 | /* Check inc/dec */ |
| 73 | new_cs = cs; |
| 74 | new_cs.inc(mode); |
| 75 | OSMO_ASSERT(new_cs.isCompatible(mode)); |
| 76 | if (new_cs != cs) { |
| 77 | new_cs.dec(mode); |
| 78 | OSMO_ASSERT(new_cs.isCompatible(mode)); |
| 79 | OSMO_ASSERT(new_cs == cs); |
| 80 | } |
| 81 | new_cs.dec(mode); |
| 82 | OSMO_ASSERT(new_cs.isCompatible(mode)); |
| 83 | if (new_cs != cs) { |
| 84 | new_cs.inc(mode); |
| 85 | OSMO_ASSERT(new_cs.isCompatible(mode)); |
| 86 | OSMO_ASSERT(new_cs == cs); |
| 87 | } |
Jacob Erlbeck | 2305afd | 2016-02-03 15:25:04 +0100 | [diff] [blame] | 88 | |
| 89 | new_cs = cs; |
| 90 | new_cs.decToSingleBlock(&need_padding); |
| 91 | OSMO_ASSERT(new_cs.isFamilyCompatible(cs)); |
| 92 | OSMO_ASSERT(cs.isFamilyCompatible(new_cs)); |
| 93 | OSMO_ASSERT(cs.isCompatible(new_cs)); |
| 94 | if (need_padding) { |
Jacob Erlbeck | 215e18c | 2016-02-03 18:22:34 +0100 | [diff] [blame^] | 95 | OSMO_ASSERT(new_cs.maxDataBlockBytes() == |
| 96 | new_cs.optionalPaddingBits()/8 + cs.maxDataBlockBytes()); |
Jacob Erlbeck | 2305afd | 2016-02-03 15:25:04 +0100 | [diff] [blame] | 97 | } else { |
| 98 | OSMO_ASSERT(new_cs.maxDataBlockBytes() == cs.maxDataBlockBytes()); |
| 99 | } |
| 100 | |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | static void test_coding_scheme() |
| 104 | { |
| 105 | unsigned i; |
| 106 | unsigned last_size_UL; |
| 107 | unsigned last_size_DL; |
| 108 | GprsCodingScheme::Scheme gprs_schemes[] = { |
| 109 | GprsCodingScheme::CS1, |
| 110 | GprsCodingScheme::CS2, |
| 111 | GprsCodingScheme::CS3, |
| 112 | GprsCodingScheme::CS4 |
| 113 | }; |
| 114 | struct { |
| 115 | GprsCodingScheme::Scheme s; |
| 116 | bool is_gmsk; |
| 117 | } egprs_schemes[] = { |
| 118 | {GprsCodingScheme::MCS1, true}, |
| 119 | {GprsCodingScheme::MCS2, true}, |
| 120 | {GprsCodingScheme::MCS3, true}, |
| 121 | {GprsCodingScheme::MCS4, true}, |
| 122 | {GprsCodingScheme::MCS5, false}, |
| 123 | {GprsCodingScheme::MCS6, false}, |
| 124 | {GprsCodingScheme::MCS7, false}, |
| 125 | {GprsCodingScheme::MCS8, false}, |
| 126 | {GprsCodingScheme::MCS9, false}, |
| 127 | }; |
| 128 | |
| 129 | printf("=== start %s ===\n", __func__); |
| 130 | |
| 131 | GprsCodingScheme cs; |
| 132 | OSMO_ASSERT(!cs); |
Jacob Erlbeck | 4c9e549 | 2016-01-04 16:00:05 +0100 | [diff] [blame] | 133 | OSMO_ASSERT(GprsCodingScheme::Scheme(cs) == GprsCodingScheme::UNKNOWN); |
| 134 | OSMO_ASSERT(cs == GprsCodingScheme(GprsCodingScheme::UNKNOWN)); |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 135 | OSMO_ASSERT(!cs.isCompatible(GprsCodingScheme::GPRS)); |
| 136 | OSMO_ASSERT(!cs.isCompatible(GprsCodingScheme::EGPRS_GMSK)); |
| 137 | OSMO_ASSERT(!cs.isCompatible(GprsCodingScheme::EGPRS)); |
| 138 | |
| 139 | last_size_UL = 0; |
| 140 | last_size_DL = 0; |
| 141 | |
| 142 | for (i = 0; i < ARRAY_SIZE(gprs_schemes); i++) { |
| 143 | GprsCodingScheme current_cs(gprs_schemes[i]); |
| 144 | OSMO_ASSERT(current_cs.isGprs()); |
| 145 | OSMO_ASSERT(!current_cs.isEgprs()); |
| 146 | OSMO_ASSERT(!current_cs.isEgprsGmsk()); |
Jacob Erlbeck | 4c9e549 | 2016-01-04 16:00:05 +0100 | [diff] [blame] | 147 | OSMO_ASSERT(GprsCodingScheme::Scheme(current_cs) == gprs_schemes[i]); |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 148 | OSMO_ASSERT(current_cs == GprsCodingScheme(gprs_schemes[i])); |
| 149 | |
| 150 | /* Check strong monotonicity */ |
| 151 | OSMO_ASSERT(current_cs.maxBytesUL() > last_size_UL); |
| 152 | OSMO_ASSERT(current_cs.maxBytesDL() > last_size_DL); |
| 153 | last_size_UL = current_cs.maxBytesUL(); |
| 154 | last_size_DL = current_cs.maxBytesDL(); |
| 155 | |
Jacob Erlbeck | 6c3dc61 | 2015-12-14 10:21:26 +0100 | [diff] [blame] | 156 | /* Check header types */ |
| 157 | OSMO_ASSERT(current_cs.headerTypeData() == |
| 158 | GprsCodingScheme::HEADER_GPRS_DATA); |
| 159 | OSMO_ASSERT(current_cs.headerTypeControl() == |
| 160 | GprsCodingScheme::HEADER_GPRS_CONTROL); |
| 161 | |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 162 | check_coding_scheme(current_cs, GprsCodingScheme::GPRS); |
| 163 | } |
| 164 | OSMO_ASSERT(i == 4); |
| 165 | |
| 166 | last_size_UL = 0; |
| 167 | last_size_DL = 0; |
| 168 | |
| 169 | for (i = 0; i < ARRAY_SIZE(egprs_schemes); i++) { |
| 170 | GprsCodingScheme current_cs(egprs_schemes[i].s); |
| 171 | OSMO_ASSERT(!current_cs.isGprs()); |
| 172 | OSMO_ASSERT(current_cs.isEgprs()); |
| 173 | OSMO_ASSERT(!!current_cs.isEgprsGmsk() == !!egprs_schemes[i].is_gmsk); |
Jacob Erlbeck | 4c9e549 | 2016-01-04 16:00:05 +0100 | [diff] [blame] | 174 | OSMO_ASSERT(GprsCodingScheme::Scheme(current_cs) == egprs_schemes[i].s); |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 175 | OSMO_ASSERT(current_cs == GprsCodingScheme(egprs_schemes[i].s)); |
| 176 | |
| 177 | /* Check strong monotonicity */ |
| 178 | OSMO_ASSERT(current_cs.maxBytesUL() > last_size_UL); |
| 179 | OSMO_ASSERT(current_cs.maxBytesDL() > last_size_DL); |
| 180 | last_size_UL = current_cs.maxBytesUL(); |
| 181 | last_size_DL = current_cs.maxBytesDL(); |
| 182 | |
| 183 | if (egprs_schemes[i].is_gmsk) |
| 184 | check_coding_scheme(current_cs, GprsCodingScheme::EGPRS_GMSK); |
| 185 | check_coding_scheme(current_cs, GprsCodingScheme::EGPRS); |
| 186 | } |
| 187 | OSMO_ASSERT(i == 9); |
| 188 | |
| 189 | printf("=== end %s ===\n", __func__); |
| 190 | } |
| 191 | |
Jacob Erlbeck | 38f1869 | 2016-02-01 10:08:00 +0100 | [diff] [blame] | 192 | static void test_rlc_unit_decoder() |
Jacob Erlbeck | 6167925 | 2015-12-11 18:25:21 +0100 | [diff] [blame] | 193 | { |
Jacob Erlbeck | f2ba4cb | 2016-01-07 18:59:28 +0100 | [diff] [blame] | 194 | struct gprs_rlc_data_block_info rdbi = {0}; |
Jacob Erlbeck | 6167925 | 2015-12-11 18:25:21 +0100 | [diff] [blame] | 195 | GprsCodingScheme cs; |
| 196 | uint8_t data[74]; |
| 197 | Decoding::RlcData chunks[16]; |
| 198 | volatile int num_chunks = 0; |
| 199 | uint32_t tlli, tlli2; |
| 200 | unsigned int offs; |
| 201 | |
| 202 | |
| 203 | printf("=== start %s ===\n", __func__); |
| 204 | |
| 205 | /* TS 44.060, B.1 */ |
| 206 | cs = GprsCodingScheme::CS4; |
| 207 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 208 | rdbi.e = 0; |
| 209 | rdbi.ti = 0; |
| 210 | rdbi.cv = 15; |
| 211 | tlli = 0; |
| 212 | offs = 0; |
| 213 | data[offs++] = (11 << 2) | (1 << 1) | (0 << 0); |
| 214 | data[offs++] = (26 << 2) | (1 << 1) | (1 << 0); |
| 215 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 216 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 217 | OSMO_ASSERT(num_chunks == 3); |
| 218 | OSMO_ASSERT(tlli == 0); |
| 219 | OSMO_ASSERT(chunks[0].offset == 2); |
| 220 | OSMO_ASSERT(chunks[0].length == 11); |
| 221 | OSMO_ASSERT(chunks[0].is_complete); |
| 222 | OSMO_ASSERT(chunks[1].offset == 13); |
| 223 | OSMO_ASSERT(chunks[1].length == 26); |
| 224 | OSMO_ASSERT(chunks[1].is_complete); |
| 225 | OSMO_ASSERT(chunks[2].offset == 39); |
| 226 | OSMO_ASSERT(chunks[2].length == cs.maxDataBlockBytes() - 39); |
| 227 | OSMO_ASSERT(!chunks[2].is_complete); |
| 228 | |
| 229 | /* TS 44.060, B.2 */ |
| 230 | cs = GprsCodingScheme::CS1; |
| 231 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 232 | rdbi.e = 0; |
| 233 | rdbi.ti = 0; |
| 234 | rdbi.cv = 15; |
| 235 | tlli = 0; |
| 236 | offs = 0; |
| 237 | data[offs++] = (0 << 2) | (0 << 1) | (1 << 0); |
| 238 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 239 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 240 | OSMO_ASSERT(num_chunks == 1); |
| 241 | OSMO_ASSERT(tlli == 0); |
| 242 | OSMO_ASSERT(chunks[0].offset == 1); |
| 243 | OSMO_ASSERT(chunks[0].length == 19); |
| 244 | OSMO_ASSERT(!chunks[0].is_complete); |
| 245 | |
| 246 | rdbi.e = 0; |
| 247 | rdbi.ti = 0; |
| 248 | rdbi.cv = 15; |
| 249 | tlli = 0; |
| 250 | offs = 0; |
| 251 | data[offs++] = (1 << 2) | (1 << 1) | (1 << 0); |
| 252 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 253 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 254 | OSMO_ASSERT(num_chunks == 2); |
| 255 | OSMO_ASSERT(tlli == 0); |
| 256 | OSMO_ASSERT(chunks[0].offset == 1); |
| 257 | OSMO_ASSERT(chunks[0].length == 1); |
| 258 | OSMO_ASSERT(chunks[0].is_complete); |
| 259 | OSMO_ASSERT(chunks[1].offset == 2); |
| 260 | OSMO_ASSERT(chunks[1].length == 18); |
| 261 | OSMO_ASSERT(!chunks[1].is_complete); |
| 262 | |
| 263 | /* TS 44.060, B.3 */ |
| 264 | cs = GprsCodingScheme::CS1; |
| 265 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 266 | rdbi.e = 0; |
| 267 | rdbi.ti = 0; |
| 268 | rdbi.cv = 15; |
| 269 | tlli = 0; |
| 270 | offs = 0; |
| 271 | data[offs++] = (7 << 2) | (1 << 1) | (0 << 0); |
| 272 | data[offs++] = (11 << 2) | (0 << 1) | (1 << 0); |
| 273 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 274 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 275 | OSMO_ASSERT(num_chunks == 2); |
| 276 | OSMO_ASSERT(tlli == 0); |
| 277 | OSMO_ASSERT(chunks[0].offset == 2); |
| 278 | OSMO_ASSERT(chunks[0].length == 7); |
| 279 | OSMO_ASSERT(chunks[0].is_complete); |
| 280 | OSMO_ASSERT(chunks[1].offset == 9); |
| 281 | OSMO_ASSERT(chunks[1].length == 11); |
| 282 | OSMO_ASSERT(chunks[1].is_complete); |
| 283 | |
| 284 | /* TS 44.060, B.4 */ |
| 285 | cs = GprsCodingScheme::CS1; |
| 286 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 287 | rdbi.e = 1; |
| 288 | rdbi.ti = 0; |
| 289 | rdbi.cv = 15; |
| 290 | tlli = 0; |
| 291 | offs = 0; |
| 292 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 293 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 294 | OSMO_ASSERT(num_chunks == 1); |
| 295 | OSMO_ASSERT(tlli == 0); |
| 296 | OSMO_ASSERT(chunks[0].offset == 0); |
| 297 | OSMO_ASSERT(chunks[0].length == 20); |
| 298 | OSMO_ASSERT(!chunks[0].is_complete); |
| 299 | |
| 300 | /* TS 44.060, B.6 */ |
| 301 | cs = GprsCodingScheme::CS1; |
| 302 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 303 | rdbi.e = 1; |
| 304 | rdbi.ti = 0; |
| 305 | rdbi.cv = 0; |
| 306 | tlli = 0; |
| 307 | offs = 0; |
| 308 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 309 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 310 | OSMO_ASSERT(num_chunks == 1); |
| 311 | OSMO_ASSERT(tlli == 0); |
| 312 | OSMO_ASSERT(chunks[0].offset == 0); |
| 313 | OSMO_ASSERT(chunks[0].length == 20); |
| 314 | OSMO_ASSERT(chunks[0].is_complete); |
| 315 | |
| 316 | /* TS 44.060, B.8.1 */ |
| 317 | cs = GprsCodingScheme::MCS4; |
| 318 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 319 | rdbi.e = 0; |
| 320 | rdbi.ti = 0; |
| 321 | rdbi.cv = 15; |
| 322 | tlli = 0; |
| 323 | offs = 0; |
| 324 | data[offs++] = (11 << 1) | (0 << 0); |
| 325 | data[offs++] = (26 << 1) | (1 << 0); |
| 326 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 327 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 328 | OSMO_ASSERT(num_chunks == 3); |
| 329 | OSMO_ASSERT(tlli == 0); |
| 330 | OSMO_ASSERT(chunks[0].offset == 2); |
| 331 | OSMO_ASSERT(chunks[0].length == 11); |
| 332 | OSMO_ASSERT(chunks[0].is_complete); |
| 333 | OSMO_ASSERT(chunks[1].offset == 13); |
| 334 | OSMO_ASSERT(chunks[1].length == 26); |
| 335 | OSMO_ASSERT(chunks[1].is_complete); |
| 336 | OSMO_ASSERT(chunks[2].offset == 39); |
| 337 | OSMO_ASSERT(chunks[2].length == 5); |
| 338 | OSMO_ASSERT(!chunks[2].is_complete); |
| 339 | |
| 340 | /* TS 44.060, B.8.2 */ |
| 341 | |
| 342 | /* Note that the spec confuses the byte numbering here, since it |
| 343 | * includes the FBI/E header bits into the N2 octet count which |
| 344 | * is not consistent with Section 10.3a.1 & 10.3a.2. */ |
| 345 | |
| 346 | cs = GprsCodingScheme::MCS2; |
| 347 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 348 | rdbi.e = 0; |
| 349 | rdbi.ti = 0; |
| 350 | rdbi.cv = 15; |
| 351 | tlli = 0; |
| 352 | offs = 0; |
| 353 | data[offs++] = (15 << 1) | (1 << 0); |
| 354 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 355 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 356 | OSMO_ASSERT(num_chunks == 2); |
| 357 | OSMO_ASSERT(tlli == 0); |
| 358 | OSMO_ASSERT(chunks[0].offset == 1); |
| 359 | OSMO_ASSERT(chunks[0].length == 15); |
| 360 | OSMO_ASSERT(chunks[0].is_complete); |
| 361 | OSMO_ASSERT(chunks[1].offset == 16); |
| 362 | OSMO_ASSERT(chunks[1].length == 12); |
| 363 | OSMO_ASSERT(!chunks[1].is_complete); |
| 364 | |
| 365 | rdbi.e = 0; |
| 366 | rdbi.ti = 0; |
| 367 | rdbi.cv = 15; |
| 368 | tlli = 0; |
| 369 | offs = 0; |
| 370 | data[offs++] = ( 0 << 1) | (0 << 0); |
| 371 | data[offs++] = ( 7 << 1) | (0 << 0); |
| 372 | data[offs++] = (18 << 1) | (1 << 0); /* Differs from spec's N2-11 = 17 */ |
| 373 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 374 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 375 | OSMO_ASSERT(num_chunks == 3); |
| 376 | OSMO_ASSERT(tlli == 0); |
| 377 | OSMO_ASSERT(chunks[0].offset == 3); |
| 378 | OSMO_ASSERT(chunks[0].length == 0); |
| 379 | OSMO_ASSERT(chunks[0].is_complete); |
| 380 | OSMO_ASSERT(chunks[1].offset == 3); |
| 381 | OSMO_ASSERT(chunks[1].length == 7); |
| 382 | OSMO_ASSERT(chunks[1].is_complete); |
| 383 | OSMO_ASSERT(chunks[2].offset == 10); |
| 384 | OSMO_ASSERT(chunks[2].length == 18); |
| 385 | OSMO_ASSERT(chunks[2].is_complete); |
| 386 | |
| 387 | rdbi.e = 0; |
| 388 | rdbi.ti = 0; |
| 389 | rdbi.cv = 0; |
| 390 | tlli = 0; |
| 391 | offs = 0; |
| 392 | data[offs++] = ( 6 << 1) | (0 << 0); |
| 393 | data[offs++] = (12 << 1) | (0 << 0); |
| 394 | data[offs++] = (127 << 1) | (1 << 0); |
| 395 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 396 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 397 | OSMO_ASSERT(num_chunks == 2); |
| 398 | OSMO_ASSERT(tlli == 0); |
| 399 | OSMO_ASSERT(chunks[0].offset == 3); |
| 400 | OSMO_ASSERT(chunks[0].length == 6); |
| 401 | OSMO_ASSERT(chunks[0].is_complete); |
| 402 | OSMO_ASSERT(chunks[1].offset == 9); |
| 403 | OSMO_ASSERT(chunks[1].length == 12); |
| 404 | OSMO_ASSERT(chunks[1].is_complete); |
| 405 | |
| 406 | /* TS 44.060, B.8.3 */ |
| 407 | |
| 408 | /* Note that the spec confuses the byte numbering here, too (see above) */ |
| 409 | |
| 410 | cs = GprsCodingScheme::MCS2; |
| 411 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 412 | rdbi.e = 1; |
| 413 | rdbi.ti = 0; |
| 414 | rdbi.cv = 0; |
| 415 | tlli = 0; |
| 416 | offs = 0; |
| 417 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 418 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 419 | OSMO_ASSERT(num_chunks == 1); |
| 420 | OSMO_ASSERT(tlli == 0); |
| 421 | OSMO_ASSERT(chunks[0].offset == 0); |
| 422 | OSMO_ASSERT(chunks[0].length == 28); |
| 423 | OSMO_ASSERT(chunks[0].is_complete); |
| 424 | |
| 425 | /* CS-1, TLLI, last block, single chunk until the end of the block */ |
| 426 | cs = GprsCodingScheme::CS1; |
| 427 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 428 | rdbi.e = 1; |
| 429 | rdbi.ti = 1; |
| 430 | rdbi.cv = 0; |
| 431 | tlli = 0; |
| 432 | tlli2 = 0xffeeddcc; |
| 433 | offs = 0; |
| 434 | data[offs++] = tlli2 >> 24; |
| 435 | data[offs++] = tlli2 >> 16; |
| 436 | data[offs++] = tlli2 >> 8; |
| 437 | data[offs++] = tlli2 >> 0; |
| 438 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 439 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 440 | OSMO_ASSERT(num_chunks == 1); |
| 441 | OSMO_ASSERT(tlli == tlli2); |
| 442 | OSMO_ASSERT(chunks[0].offset == 4); |
| 443 | OSMO_ASSERT(chunks[0].length == 16); |
| 444 | OSMO_ASSERT(chunks[0].is_complete); |
| 445 | |
| 446 | /* Like TS 44.060, B.2, first RLC block but with TLLI */ |
| 447 | cs = GprsCodingScheme::CS1; |
| 448 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 449 | rdbi.e = 0; |
| 450 | rdbi.ti = 1; |
| 451 | rdbi.cv = 15; |
| 452 | tlli = 0; |
| 453 | tlli2 = 0xffeeddbb; |
| 454 | offs = 0; |
| 455 | data[offs++] = (0 << 2) | (0 << 1) | (1 << 0); |
| 456 | data[offs++] = tlli2 >> 24; |
| 457 | data[offs++] = tlli2 >> 16; |
| 458 | data[offs++] = tlli2 >> 8; |
| 459 | data[offs++] = tlli2 >> 0; |
| 460 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 461 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 462 | OSMO_ASSERT(num_chunks == 1); |
| 463 | OSMO_ASSERT(tlli == tlli2); |
| 464 | OSMO_ASSERT(chunks[0].offset == 5); |
| 465 | OSMO_ASSERT(chunks[0].length == 15); |
| 466 | OSMO_ASSERT(!chunks[0].is_complete); |
| 467 | |
| 468 | /* Like TS 44.060, B.8.1 but with TLLI */ |
| 469 | cs = GprsCodingScheme::MCS4; |
| 470 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 471 | rdbi.e = 0; |
| 472 | rdbi.ti = 1; |
| 473 | rdbi.cv = 15; |
| 474 | tlli = 0; |
| 475 | tlli2 = 0xffeeddaa; |
| 476 | offs = 0; |
| 477 | data[offs++] = (11 << 1) | (0 << 0); |
| 478 | data[offs++] = (26 << 1) | (1 << 0); |
| 479 | /* Little endian */ |
| 480 | data[offs++] = tlli2 >> 0; |
| 481 | data[offs++] = tlli2 >> 8; |
| 482 | data[offs++] = tlli2 >> 16; |
| 483 | data[offs++] = tlli2 >> 24; |
| 484 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 485 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 486 | OSMO_ASSERT(num_chunks == 3); |
| 487 | OSMO_ASSERT(tlli == tlli2); |
| 488 | OSMO_ASSERT(chunks[0].offset == 6); |
| 489 | OSMO_ASSERT(chunks[0].length == 11); |
| 490 | OSMO_ASSERT(chunks[0].is_complete); |
| 491 | OSMO_ASSERT(chunks[1].offset == 17); |
| 492 | OSMO_ASSERT(chunks[1].length == 26); |
| 493 | OSMO_ASSERT(chunks[1].is_complete); |
| 494 | OSMO_ASSERT(chunks[2].offset == 43); |
| 495 | OSMO_ASSERT(chunks[2].length == 1); |
| 496 | OSMO_ASSERT(!chunks[2].is_complete); |
| 497 | |
| 498 | printf("=== end %s ===\n", __func__); |
| 499 | } |
| 500 | |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 501 | static void test_rlc_unit_encoder() |
| 502 | { |
| 503 | struct gprs_rlc_data_block_info rdbi = {0}; |
| 504 | GprsCodingScheme cs; |
| 505 | uint8_t data[74]; |
| 506 | uint8_t llc_data[1500] = {0,}; |
| 507 | int num_chunks = 0; |
| 508 | int write_offset; |
| 509 | struct gprs_llc llc; |
| 510 | Encoding::AppendResult ar; |
| 511 | |
| 512 | printf("=== start %s ===\n", __func__); |
| 513 | |
| 514 | llc.init(); |
| 515 | |
| 516 | /* TS 44.060, B.1 */ |
| 517 | cs = GprsCodingScheme::CS4; |
| 518 | gprs_rlc_data_block_info_init(&rdbi, cs); |
| 519 | num_chunks = 0; |
| 520 | write_offset = 0; |
| 521 | memset(data, 0, sizeof(data)); |
| 522 | |
| 523 | llc.reset(); |
| 524 | llc.put_frame(llc_data, 11); |
| 525 | |
Jacob Erlbeck | 5058bd6 | 2016-01-13 10:51:25 +0100 | [diff] [blame] | 526 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 527 | &llc, &write_offset, &num_chunks, data, false); |
| 528 | |
| 529 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| 530 | OSMO_ASSERT(rdbi.e == 0); |
| 531 | OSMO_ASSERT(write_offset == 1 + 11); |
| 532 | OSMO_ASSERT(num_chunks == 1); |
| 533 | |
| 534 | llc.reset(); |
| 535 | llc.put_frame(llc_data, 26); |
| 536 | |
Jacob Erlbeck | 5058bd6 | 2016-01-13 10:51:25 +0100 | [diff] [blame] | 537 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 538 | &llc, &write_offset, &num_chunks, data, false); |
| 539 | |
| 540 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| 541 | OSMO_ASSERT(rdbi.e == 0); |
| 542 | OSMO_ASSERT(write_offset == 2 + 11 + 26); |
| 543 | OSMO_ASSERT(num_chunks == 2); |
| 544 | |
| 545 | llc.reset(); |
| 546 | llc.put_frame(llc_data, 99); |
| 547 | |
Jacob Erlbeck | 5058bd6 | 2016-01-13 10:51:25 +0100 | [diff] [blame] | 548 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 549 | &llc, &write_offset, &num_chunks, data, false); |
| 550 | |
| 551 | OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| 552 | OSMO_ASSERT(rdbi.e == 0); |
| 553 | OSMO_ASSERT(rdbi.cv != 0); |
| 554 | OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| 555 | OSMO_ASSERT(num_chunks == 3); |
| 556 | |
| 557 | OSMO_ASSERT(data[0] == ((11 << 2) | (1 << 1) | (0 << 0))); |
| 558 | OSMO_ASSERT(data[1] == ((26 << 2) | (1 << 1) | (1 << 0))); |
| 559 | OSMO_ASSERT(data[2] == 0); |
| 560 | |
| 561 | /* TS 44.060, B.2 */ |
| 562 | cs = GprsCodingScheme::CS1; |
| 563 | |
| 564 | /* Block 1 */ |
| 565 | gprs_rlc_data_block_info_init(&rdbi, cs); |
| 566 | num_chunks = 0; |
| 567 | write_offset = 0; |
| 568 | memset(data, 0, sizeof(data)); |
| 569 | |
| 570 | llc.reset(); |
| 571 | llc.put_frame(llc_data, 20); |
| 572 | |
Jacob Erlbeck | 5058bd6 | 2016-01-13 10:51:25 +0100 | [diff] [blame] | 573 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 574 | &llc, &write_offset, &num_chunks, data, false); |
| 575 | |
| 576 | OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| 577 | OSMO_ASSERT(rdbi.e == 0); |
| 578 | OSMO_ASSERT(write_offset == 1 + 19); |
| 579 | OSMO_ASSERT(num_chunks == 1); |
| 580 | |
| 581 | OSMO_ASSERT(data[0] == ((0 << 2) | (0 << 1) | (1 << 0))); |
| 582 | OSMO_ASSERT(data[1] == 0); |
| 583 | |
| 584 | /* Block 2 */ |
| 585 | gprs_rlc_data_block_info_init(&rdbi, cs); |
| 586 | num_chunks = 0; |
| 587 | write_offset = 0; |
| 588 | memset(data, 0, sizeof(data)); |
| 589 | |
| 590 | OSMO_ASSERT(llc.chunk_size() == 1); |
| 591 | |
Jacob Erlbeck | 5058bd6 | 2016-01-13 10:51:25 +0100 | [diff] [blame] | 592 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 593 | &llc, &write_offset, &num_chunks, data, false); |
| 594 | |
| 595 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| 596 | OSMO_ASSERT(rdbi.e == 0); |
| 597 | OSMO_ASSERT(write_offset == 1 + 1); |
| 598 | OSMO_ASSERT(num_chunks == 1); |
| 599 | |
| 600 | llc.reset(); |
| 601 | llc.put_frame(llc_data, 99); |
| 602 | |
Jacob Erlbeck | 5058bd6 | 2016-01-13 10:51:25 +0100 | [diff] [blame] | 603 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 604 | &llc, &write_offset, &num_chunks, data, false); |
| 605 | |
| 606 | OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| 607 | OSMO_ASSERT(rdbi.e == 0); |
| 608 | OSMO_ASSERT(write_offset == 1 + 1 + 18); |
| 609 | OSMO_ASSERT(num_chunks == 2); |
| 610 | |
| 611 | OSMO_ASSERT(data[0] == ((1 << 2) | (1 << 1) | (1 << 0))); |
| 612 | OSMO_ASSERT(data[1] == 0); |
| 613 | |
| 614 | /* TS 44.060, B.3 */ |
| 615 | cs = GprsCodingScheme::CS1; |
| 616 | |
| 617 | /* Block 1 */ |
| 618 | gprs_rlc_data_block_info_init(&rdbi, cs); |
| 619 | num_chunks = 0; |
| 620 | write_offset = 0; |
| 621 | memset(data, 0, sizeof(data)); |
| 622 | |
| 623 | llc.reset(); |
| 624 | llc.put_frame(llc_data, 7); |
| 625 | |
Jacob Erlbeck | 5058bd6 | 2016-01-13 10:51:25 +0100 | [diff] [blame] | 626 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 627 | &llc, &write_offset, &num_chunks, data, false); |
| 628 | |
| 629 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| 630 | OSMO_ASSERT(rdbi.e == 0); |
| 631 | OSMO_ASSERT(write_offset == 1 + 7); |
| 632 | OSMO_ASSERT(num_chunks == 1); |
| 633 | |
| 634 | llc.reset(); |
| 635 | llc.put_frame(llc_data, 11); |
| 636 | |
Jacob Erlbeck | 5058bd6 | 2016-01-13 10:51:25 +0100 | [diff] [blame] | 637 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 638 | &llc, &write_offset, &num_chunks, data, false); |
| 639 | |
| 640 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_BLOCK_FILLED); |
| 641 | OSMO_ASSERT(rdbi.e == 0); |
| 642 | OSMO_ASSERT(write_offset == 2 + 7 + 11); |
| 643 | OSMO_ASSERT(num_chunks == 2); |
| 644 | |
| 645 | OSMO_ASSERT(data[0] == ((7 << 2) | (1 << 1) | (0 << 0))); |
| 646 | OSMO_ASSERT(data[1] == ((11 << 2) | (0 << 1) | (1 << 0))); |
| 647 | OSMO_ASSERT(data[2] == 0); |
| 648 | |
| 649 | /* TS 44.060, B.4 */ |
| 650 | cs = GprsCodingScheme::CS1; |
| 651 | |
| 652 | /* Block 1 */ |
| 653 | gprs_rlc_data_block_info_init(&rdbi, cs); |
| 654 | num_chunks = 0; |
| 655 | write_offset = 0; |
| 656 | memset(data, 0, sizeof(data)); |
| 657 | |
| 658 | llc.reset(); |
| 659 | llc.put_frame(llc_data, 99); |
| 660 | |
Jacob Erlbeck | 5058bd6 | 2016-01-13 10:51:25 +0100 | [diff] [blame] | 661 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 662 | &llc, &write_offset, &num_chunks, data, false); |
| 663 | |
| 664 | OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| 665 | OSMO_ASSERT(rdbi.e == 1); |
| 666 | OSMO_ASSERT(write_offset == 20); |
| 667 | OSMO_ASSERT(num_chunks == 1); |
| 668 | OSMO_ASSERT(rdbi.cv != 0); |
| 669 | |
| 670 | OSMO_ASSERT(data[0] == 0); |
| 671 | |
| 672 | /* TS 44.060, B.5 */ |
| 673 | cs = GprsCodingScheme::CS1; |
| 674 | |
| 675 | /* Block 1 */ |
| 676 | gprs_rlc_data_block_info_init(&rdbi, cs); |
| 677 | num_chunks = 0; |
| 678 | write_offset = 0; |
| 679 | memset(data, 0, sizeof(data)); |
| 680 | |
| 681 | llc.reset(); |
| 682 | llc.put_frame(llc_data, 20); |
| 683 | |
Jacob Erlbeck | 5058bd6 | 2016-01-13 10:51:25 +0100 | [diff] [blame] | 684 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 685 | &llc, &write_offset, &num_chunks, data, true); |
| 686 | |
| 687 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_BLOCK_FILLED); |
| 688 | OSMO_ASSERT(rdbi.e == 1); |
| 689 | OSMO_ASSERT(write_offset == 20); |
| 690 | OSMO_ASSERT(num_chunks == 1); |
| 691 | OSMO_ASSERT(rdbi.cv == 0); |
| 692 | |
| 693 | OSMO_ASSERT(data[0] == 0); |
| 694 | |
| 695 | /* TS 44.060, B.7 */ |
| 696 | cs = GprsCodingScheme::CS1; |
| 697 | |
| 698 | /* Block 1 */ |
| 699 | gprs_rlc_data_block_info_init(&rdbi, cs); |
| 700 | num_chunks = 0; |
| 701 | write_offset = 0; |
| 702 | memset(data, 0, sizeof(data)); |
| 703 | |
| 704 | llc.reset(); |
| 705 | llc.put_frame(llc_data, 30); |
| 706 | |
Jacob Erlbeck | 5058bd6 | 2016-01-13 10:51:25 +0100 | [diff] [blame] | 707 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 708 | &llc, &write_offset, &num_chunks, data, false); |
| 709 | |
| 710 | OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| 711 | OSMO_ASSERT(rdbi.e == 1); |
| 712 | OSMO_ASSERT(write_offset == 20); |
| 713 | OSMO_ASSERT(num_chunks == 1); |
| 714 | |
| 715 | OSMO_ASSERT(data[0] == 0); |
| 716 | |
| 717 | /* Block 2 */ |
| 718 | gprs_rlc_data_block_info_init(&rdbi, cs); |
| 719 | num_chunks = 0; |
| 720 | write_offset = 0; |
| 721 | memset(data, 0, sizeof(data)); |
| 722 | |
| 723 | OSMO_ASSERT(llc.chunk_size() == 10); |
| 724 | |
Jacob Erlbeck | 5058bd6 | 2016-01-13 10:51:25 +0100 | [diff] [blame] | 725 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 726 | &llc, &write_offset, &num_chunks, data, false); |
| 727 | |
| 728 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| 729 | OSMO_ASSERT(rdbi.e == 0); |
| 730 | OSMO_ASSERT(write_offset == 1 + 10); |
| 731 | OSMO_ASSERT(num_chunks == 1); |
| 732 | |
| 733 | llc.reset(); |
| 734 | llc.put_frame(llc_data, 99); |
| 735 | |
Jacob Erlbeck | 5058bd6 | 2016-01-13 10:51:25 +0100 | [diff] [blame] | 736 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 737 | &llc, &write_offset, &num_chunks, data, false); |
| 738 | |
| 739 | OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| 740 | OSMO_ASSERT(rdbi.e == 0); |
| 741 | OSMO_ASSERT(write_offset == 1 + 10 + 9); |
| 742 | OSMO_ASSERT(num_chunks == 2); |
| 743 | |
| 744 | OSMO_ASSERT(data[0] == ((10 << 2) | (1 << 1) | (1 << 0))); |
| 745 | OSMO_ASSERT(data[1] == 0); |
| 746 | |
Jacob Erlbeck | a88d065 | 2016-01-13 11:28:10 +0100 | [diff] [blame] | 747 | /* TS 44.060, B.8.1 */ |
| 748 | cs = GprsCodingScheme::MCS4; |
| 749 | |
| 750 | /* Block 1 */ |
| 751 | gprs_rlc_data_block_info_init(&rdbi, cs); |
| 752 | num_chunks = 0; |
| 753 | write_offset = 0; |
| 754 | memset(data, 0, sizeof(data)); |
| 755 | |
| 756 | llc.reset(); |
| 757 | llc.put_frame(llc_data, 11); |
| 758 | |
| 759 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| 760 | &llc, &write_offset, &num_chunks, data, false); |
| 761 | |
| 762 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| 763 | OSMO_ASSERT(rdbi.e == 0); |
| 764 | OSMO_ASSERT(write_offset == 1 + 11); |
| 765 | OSMO_ASSERT(num_chunks == 1); |
| 766 | |
| 767 | llc.reset(); |
| 768 | llc.put_frame(llc_data, 26); |
| 769 | |
| 770 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| 771 | &llc, &write_offset, &num_chunks, data, false); |
| 772 | |
| 773 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| 774 | OSMO_ASSERT(rdbi.e == 0); |
| 775 | OSMO_ASSERT(write_offset == 2 + 11 + 26); |
| 776 | OSMO_ASSERT(num_chunks == 2); |
| 777 | |
| 778 | llc.reset(); |
| 779 | llc.put_frame(llc_data, 99); |
| 780 | |
| 781 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| 782 | &llc, &write_offset, &num_chunks, data, false); |
| 783 | |
| 784 | OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| 785 | OSMO_ASSERT(rdbi.e == 0); |
| 786 | OSMO_ASSERT(rdbi.cv != 0); |
| 787 | OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| 788 | OSMO_ASSERT(num_chunks == 3); |
| 789 | |
| 790 | OSMO_ASSERT(data[0] == ((11 << 1) | (0 << 0))); |
| 791 | OSMO_ASSERT(data[1] == ((26 << 1) | (1 << 0))); |
| 792 | OSMO_ASSERT(data[2] == 0); |
| 793 | |
| 794 | /* TS 44.060, B.8.2 */ |
| 795 | |
| 796 | /* Note that the spec confuses the byte numbering here, since it |
| 797 | * includes the FBI/E header bits into the N2 octet count which |
| 798 | * is not consistent with Section 10.3a.1 & 10.3a.2. */ |
| 799 | |
| 800 | cs = GprsCodingScheme::MCS2; |
| 801 | |
| 802 | /* Block 1 */ |
| 803 | gprs_rlc_data_block_info_init(&rdbi, cs); |
| 804 | num_chunks = 0; |
| 805 | write_offset = 0; |
| 806 | memset(data, 0, sizeof(data)); |
| 807 | |
| 808 | llc.reset(); |
| 809 | llc.put_frame(llc_data, 15); |
| 810 | |
| 811 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| 812 | &llc, &write_offset, &num_chunks, data, false); |
| 813 | |
| 814 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| 815 | OSMO_ASSERT(rdbi.e == 0); |
| 816 | OSMO_ASSERT(write_offset == 1 + 15); |
| 817 | OSMO_ASSERT(num_chunks == 1); |
| 818 | |
| 819 | llc.reset(); |
| 820 | llc.put_frame(llc_data, 12); |
| 821 | |
| 822 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| 823 | &llc, &write_offset, &num_chunks, data, false); |
| 824 | |
| 825 | OSMO_ASSERT(ar == Encoding::AR_NEED_MORE_BLOCKS); |
| 826 | OSMO_ASSERT(rdbi.e == 0); |
| 827 | OSMO_ASSERT(rdbi.cv != 0); |
| 828 | OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| 829 | OSMO_ASSERT(num_chunks == 2); |
| 830 | |
| 831 | OSMO_ASSERT(data[0] == ((15 << 1) | (1 << 0))); |
| 832 | OSMO_ASSERT(data[1] == 0); |
| 833 | |
| 834 | /* Block 2 */ |
| 835 | gprs_rlc_data_block_info_init(&rdbi, cs); |
| 836 | num_chunks = 0; |
| 837 | write_offset = 0; |
| 838 | memset(data, 0, sizeof(data)); |
| 839 | |
| 840 | OSMO_ASSERT(llc.chunk_size() == 0); |
| 841 | |
| 842 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| 843 | &llc, &write_offset, &num_chunks, data, false); |
| 844 | |
| 845 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| 846 | OSMO_ASSERT(rdbi.e == 0); |
| 847 | OSMO_ASSERT(write_offset == 1 + 0); |
| 848 | OSMO_ASSERT(num_chunks == 1); |
| 849 | |
| 850 | llc.reset(); |
| 851 | llc.put_frame(llc_data, 7); |
| 852 | |
| 853 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| 854 | &llc, &write_offset, &num_chunks, data, false); |
| 855 | |
| 856 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| 857 | OSMO_ASSERT(rdbi.e == 0); |
| 858 | OSMO_ASSERT(rdbi.cv != 0); |
| 859 | OSMO_ASSERT(write_offset == 2 + 0 + 7); |
| 860 | OSMO_ASSERT(num_chunks == 2); |
| 861 | |
| 862 | llc.reset(); |
| 863 | llc.put_frame(llc_data, 18); |
| 864 | |
| 865 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| 866 | &llc, &write_offset, &num_chunks, data, false); |
| 867 | |
| 868 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_BLOCK_FILLED); |
| 869 | OSMO_ASSERT(rdbi.e == 0); |
| 870 | OSMO_ASSERT(rdbi.cv != 0); |
| 871 | OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| 872 | OSMO_ASSERT(num_chunks == 3); |
| 873 | |
| 874 | OSMO_ASSERT(data[0] == ((0 << 1) | (0 << 0))); |
| 875 | OSMO_ASSERT(data[1] == ((7 << 1) | (0 << 0))); |
| 876 | OSMO_ASSERT(data[2] == ((18 << 1) | (1 << 0))); |
| 877 | OSMO_ASSERT(data[3] == 0); |
| 878 | |
| 879 | /* Block 3 */ |
| 880 | gprs_rlc_data_block_info_init(&rdbi, cs); |
| 881 | num_chunks = 0; |
| 882 | write_offset = 0; |
| 883 | memset(data, 0, sizeof(data)); |
| 884 | |
| 885 | llc.reset(); |
| 886 | llc.put_frame(llc_data, 6); |
| 887 | |
| 888 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| 889 | &llc, &write_offset, &num_chunks, data, false); |
| 890 | |
| 891 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_SPACE_LEFT); |
| 892 | OSMO_ASSERT(rdbi.e == 0); |
| 893 | OSMO_ASSERT(write_offset == 1 + 6); |
| 894 | OSMO_ASSERT(num_chunks == 1); |
| 895 | |
| 896 | llc.reset(); |
| 897 | llc.put_frame(llc_data, 12); |
| 898 | |
| 899 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| 900 | &llc, &write_offset, &num_chunks, data, true); |
| 901 | |
| 902 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_BLOCK_FILLED); |
| 903 | OSMO_ASSERT(rdbi.e == 0); |
| 904 | OSMO_ASSERT(rdbi.cv == 0); |
| 905 | OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| 906 | OSMO_ASSERT(num_chunks == 3); |
| 907 | |
| 908 | OSMO_ASSERT(data[0] == ((6 << 1) | (0 << 0))); |
| 909 | OSMO_ASSERT(data[1] == ((12 << 1) | (0 << 0))); |
| 910 | OSMO_ASSERT(data[2] == ((127 << 1) | (1 << 0))); |
| 911 | OSMO_ASSERT(data[3] == 0); |
| 912 | |
| 913 | /* TS 44.060, B.8.3 */ |
| 914 | |
| 915 | /* Note that the spec confuses the byte numbering here, too (see above) */ |
| 916 | |
| 917 | cs = GprsCodingScheme::MCS2; |
| 918 | |
| 919 | /* Block 1 */ |
| 920 | gprs_rlc_data_block_info_init(&rdbi, cs); |
| 921 | num_chunks = 0; |
| 922 | write_offset = 0; |
| 923 | memset(data, 0, sizeof(data)); |
| 924 | |
| 925 | llc.reset(); |
| 926 | llc.put_frame(llc_data, rdbi.data_len); |
| 927 | |
| 928 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| 929 | &llc, &write_offset, &num_chunks, data, true); |
| 930 | |
| 931 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_BLOCK_FILLED); |
| 932 | OSMO_ASSERT(rdbi.e == 1); |
| 933 | OSMO_ASSERT(rdbi.cv == 0); |
| 934 | OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| 935 | OSMO_ASSERT(num_chunks == 1); |
| 936 | |
| 937 | OSMO_ASSERT(data[0] == 0); |
| 938 | |
| 939 | /* Final block with an LLC of size data_len-1 */ |
| 940 | |
| 941 | cs = GprsCodingScheme::MCS2; |
| 942 | |
| 943 | /* Block 1 */ |
| 944 | gprs_rlc_data_block_info_init(&rdbi, cs); |
| 945 | num_chunks = 0; |
| 946 | write_offset = 0; |
| 947 | memset(data, 0, sizeof(data)); |
| 948 | |
| 949 | llc.reset(); |
| 950 | llc.put_frame(llc_data, rdbi.data_len - 1); |
| 951 | |
| 952 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| 953 | &llc, &write_offset, &num_chunks, data, true); |
| 954 | |
| 955 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_BLOCK_FILLED); |
| 956 | OSMO_ASSERT(rdbi.e == 0); |
| 957 | OSMO_ASSERT(rdbi.cv == 0); |
| 958 | OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| 959 | OSMO_ASSERT(num_chunks == 1); |
| 960 | |
| 961 | OSMO_ASSERT(data[0] == (((rdbi.data_len-1) << 1) | (1 << 0))); |
| 962 | OSMO_ASSERT(data[1] == 0); |
| 963 | |
| 964 | /* Final block with an LLC of size data_len-2 */ |
| 965 | |
| 966 | cs = GprsCodingScheme::MCS2; |
| 967 | |
| 968 | /* Block 1 */ |
| 969 | gprs_rlc_data_block_info_init(&rdbi, cs); |
| 970 | num_chunks = 0; |
| 971 | write_offset = 0; |
| 972 | memset(data, 0, sizeof(data)); |
| 973 | |
| 974 | llc.reset(); |
| 975 | llc.put_frame(llc_data, rdbi.data_len - 2); |
| 976 | |
| 977 | ar = Encoding::rlc_data_to_dl_append(&rdbi, cs, |
| 978 | &llc, &write_offset, &num_chunks, data, true); |
| 979 | |
| 980 | OSMO_ASSERT(ar == Encoding::AR_COMPLETED_BLOCK_FILLED); |
| 981 | OSMO_ASSERT(rdbi.e == 0); |
| 982 | OSMO_ASSERT(rdbi.cv == 0); |
| 983 | OSMO_ASSERT(write_offset == (int)rdbi.data_len); |
| 984 | OSMO_ASSERT(num_chunks == 2); |
| 985 | |
| 986 | OSMO_ASSERT(data[0] == (((rdbi.data_len-2) << 1) | (0 << 0))); |
| 987 | OSMO_ASSERT(data[1] == ((127 << 1) | (1 << 0))); |
| 988 | OSMO_ASSERT(data[2] == 0); |
| 989 | |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 990 | printf("=== end %s ===\n", __func__); |
| 991 | } |
| 992 | |
Jacob Erlbeck | f0e4039 | 2016-01-08 10:07:53 +0100 | [diff] [blame] | 993 | static void test_rlc_unaligned_copy() |
| 994 | { |
| 995 | uint8_t bits[256]; |
| 996 | uint8_t saved_block[256]; |
| 997 | uint8_t test_block[256]; |
| 998 | uint8_t out_block[256]; |
| 999 | GprsCodingScheme::Scheme scheme; |
| 1000 | int pattern; |
| 1001 | volatile unsigned int block_idx, i; |
| 1002 | |
| 1003 | for (scheme = GprsCodingScheme::CS1; |
| 1004 | scheme < GprsCodingScheme::NUM_SCHEMES; |
| 1005 | scheme = GprsCodingScheme::Scheme(scheme + 1)) |
| 1006 | { |
| 1007 | GprsCodingScheme cs(scheme); |
| 1008 | |
| 1009 | for (pattern = 0; pattern <= 0xff; pattern += 0xff) { |
| 1010 | /* prepare test block */ |
| 1011 | test_block[0] = pattern ^ 0xff; |
| 1012 | for (i = 1; i + 1 < cs.maxDataBlockBytes(); i++) |
| 1013 | test_block[i] = i; |
| 1014 | test_block[cs.maxDataBlockBytes()-1] = pattern ^ 0xff; |
| 1015 | |
| 1016 | for (block_idx = 0; |
| 1017 | block_idx < cs.numDataBlocks(); |
| 1018 | block_idx++) |
| 1019 | { |
| 1020 | struct gprs_rlc_data_info rlc; |
| 1021 | gprs_rlc_data_info_init_dl(&rlc, cs); |
| 1022 | |
| 1023 | memset(bits, pattern, sizeof(bits)); |
| 1024 | Decoding::rlc_copy_to_aligned_buffer( |
| 1025 | &rlc, block_idx, bits, saved_block); |
| 1026 | |
| 1027 | fprintf(stderr, |
| 1028 | "Test data block: %s\n", |
| 1029 | osmo_hexdump(test_block, cs.maxDataBlockBytes())); |
| 1030 | |
| 1031 | Encoding::rlc_copy_from_aligned_buffer( |
| 1032 | &rlc, block_idx, bits, test_block); |
| 1033 | |
| 1034 | fprintf(stderr, |
| 1035 | "Encoded message block, %s, idx %d, " |
| 1036 | "pattern %02x: %s\n", |
| 1037 | rlc.cs.name(), block_idx, pattern, |
| 1038 | osmo_hexdump(bits, cs.sizeDL())); |
| 1039 | |
| 1040 | Decoding::rlc_copy_to_aligned_buffer( |
| 1041 | &rlc, block_idx, bits, out_block); |
| 1042 | |
| 1043 | fprintf(stderr, |
| 1044 | "Out data block: %s\n", |
| 1045 | osmo_hexdump(out_block, cs.maxDataBlockBytes())); |
| 1046 | /* restore original bits */ |
| 1047 | Encoding::rlc_copy_from_aligned_buffer( |
| 1048 | &rlc, block_idx, bits, saved_block); |
| 1049 | |
| 1050 | OSMO_ASSERT(memcmp(test_block, out_block, |
| 1051 | rlc.cs.maxDataBlockBytes()) == 0); |
| 1052 | |
| 1053 | for (i = 0; i < sizeof(bits); i++) |
| 1054 | OSMO_ASSERT(bits[i] == pattern); |
| 1055 | } |
| 1056 | } |
| 1057 | } |
| 1058 | } |
| 1059 | |
Jacob Erlbeck | 6e9f9c2 | 2016-01-11 11:15:45 +0100 | [diff] [blame] | 1060 | static void test_rlc_info_init() |
| 1061 | { |
| 1062 | struct gprs_rlc_data_info rlc; |
| 1063 | |
| 1064 | printf("=== start %s ===\n", __func__); |
| 1065 | gprs_rlc_data_info_init_dl(&rlc, GprsCodingScheme(GprsCodingScheme::CS1)); |
| 1066 | OSMO_ASSERT(rlc.num_data_blocks == 1); |
| 1067 | OSMO_ASSERT(rlc.data_offs_bits[0] == 24); |
| 1068 | OSMO_ASSERT(rlc.block_info[0].data_len == 20); |
| 1069 | |
| 1070 | gprs_rlc_data_info_init_dl(&rlc, GprsCodingScheme(GprsCodingScheme::MCS1)); |
| 1071 | OSMO_ASSERT(rlc.num_data_blocks == 1); |
| 1072 | OSMO_ASSERT(rlc.data_offs_bits[0] == 33); |
| 1073 | OSMO_ASSERT(rlc.block_info[0].data_len == 22); |
| 1074 | |
| 1075 | printf("=== end %s ===\n", __func__); |
| 1076 | } |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 1077 | |
| 1078 | static const struct log_info_cat default_categories[] = { |
| 1079 | {"DCSN1", "\033[1;31m", "Concrete Syntax Notation One (CSN1)", LOGL_INFO, 0}, |
| 1080 | {"DL1IF", "\033[1;32m", "GPRS PCU L1 interface (L1IF)", LOGL_DEBUG, 1}, |
| 1081 | {"DRLCMAC", "\033[0;33m", "GPRS RLC/MAC layer (RLCMAC)", LOGL_DEBUG, 1}, |
| 1082 | {"DRLCMACDATA", "\033[0;33m", "GPRS RLC/MAC layer Data (RLCMAC)", LOGL_DEBUG, 1}, |
| 1083 | {"DRLCMACDL", "\033[1;33m", "GPRS RLC/MAC layer Downlink (RLCMAC)", LOGL_DEBUG, 1}, |
| 1084 | {"DRLCMACUL", "\033[1;36m", "GPRS RLC/MAC layer Uplink (RLCMAC)", LOGL_DEBUG, 1}, |
| 1085 | {"DRLCMACSCHED", "\033[0;36m", "GPRS RLC/MAC layer Scheduling (RLCMAC)", LOGL_DEBUG, 1}, |
| 1086 | {"DRLCMACMEAS", "\033[1;31m", "GPRS RLC/MAC layer Measurements (RLCMAC)", LOGL_INFO, 1}, |
| 1087 | {"DNS","\033[1;34m", "GPRS Network Service Protocol (NS)", LOGL_INFO , 1}, |
| 1088 | {"DBSSGP","\033[1;34m", "GPRS BSS Gateway Protocol (BSSGP)", LOGL_INFO , 1}, |
| 1089 | {"DPCU", "\033[1;35m", "GPRS Packet Control Unit (PCU)", LOGL_NOTICE, 1}, |
| 1090 | }; |
| 1091 | |
| 1092 | static int filter_fn(const struct log_context *ctx, |
| 1093 | struct log_target *tar) |
| 1094 | { |
| 1095 | return 1; |
| 1096 | } |
| 1097 | |
| 1098 | const struct log_info debug_log_info = { |
| 1099 | filter_fn, |
| 1100 | (struct log_info_cat*)default_categories, |
| 1101 | ARRAY_SIZE(default_categories), |
| 1102 | }; |
| 1103 | |
| 1104 | int main(int argc, char **argv) |
| 1105 | { |
| 1106 | struct vty_app_info pcu_vty_info = {0}; |
| 1107 | |
| 1108 | tall_pcu_ctx = talloc_named_const(NULL, 1, "EdgeTest context"); |
| 1109 | if (!tall_pcu_ctx) |
| 1110 | abort(); |
| 1111 | |
| 1112 | msgb_set_talloc_ctx(tall_pcu_ctx); |
| 1113 | osmo_init_logging(&debug_log_info); |
| 1114 | log_set_use_color(osmo_stderr_target, 0); |
| 1115 | log_set_print_filename(osmo_stderr_target, 0); |
| 1116 | |
| 1117 | vty_init(&pcu_vty_info); |
| 1118 | pcu_vty_init(&debug_log_info); |
| 1119 | |
| 1120 | test_coding_scheme(); |
Jacob Erlbeck | 6e9f9c2 | 2016-01-11 11:15:45 +0100 | [diff] [blame] | 1121 | test_rlc_info_init(); |
Jacob Erlbeck | 38f1869 | 2016-02-01 10:08:00 +0100 | [diff] [blame] | 1122 | test_rlc_unit_decoder(); |
Jacob Erlbeck | f0e4039 | 2016-01-08 10:07:53 +0100 | [diff] [blame] | 1123 | test_rlc_unaligned_copy(); |
Jacob Erlbeck | 14bb094 | 2016-01-12 11:58:13 +0100 | [diff] [blame] | 1124 | test_rlc_unit_encoder(); |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 1125 | |
| 1126 | if (getenv("TALLOC_REPORT_FULL")) |
| 1127 | talloc_report_full(tall_pcu_ctx, stderr); |
| 1128 | return EXIT_SUCCESS; |
| 1129 | } |
| 1130 | |
| 1131 | /* |
| 1132 | * stubs that should not be reached |
| 1133 | */ |
| 1134 | extern "C" { |
| 1135 | void l1if_pdch_req() { abort(); } |
| 1136 | void l1if_connect_pdch() { abort(); } |
| 1137 | void l1if_close_pdch() { abort(); } |
| 1138 | void l1if_open_pdch() { abort(); } |
| 1139 | } |