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" |
| 26 | #include "rlc.h" |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 27 | |
| 28 | extern "C" { |
| 29 | #include "pcu_vty.h" |
| 30 | |
| 31 | #include <osmocom/core/application.h> |
| 32 | #include <osmocom/core/msgb.h> |
| 33 | #include <osmocom/core/talloc.h> |
| 34 | #include <osmocom/core/utils.h> |
| 35 | #include <osmocom/vty/vty.h> |
| 36 | } |
| 37 | |
| 38 | #include <errno.h> |
| 39 | |
| 40 | void *tall_pcu_ctx; |
| 41 | int16_t spoof_mnc = 0, spoof_mcc = 0; |
| 42 | |
| 43 | static void check_coding_scheme(GprsCodingScheme& cs, GprsCodingScheme::Mode mode) |
| 44 | { |
| 45 | volatile unsigned expected_size; |
| 46 | GprsCodingScheme new_cs; |
| 47 | |
| 48 | OSMO_ASSERT(cs.isValid()); |
| 49 | OSMO_ASSERT(cs.isCompatible(mode)); |
| 50 | |
| 51 | /* Check static getBySizeUL() */ |
| 52 | expected_size = cs.maxBytesUL(); |
| 53 | if (cs.spareBitsUL() > 0) |
| 54 | expected_size += 1; |
| 55 | OSMO_ASSERT(expected_size == cs.sizeUL()); |
| 56 | OSMO_ASSERT(cs == GprsCodingScheme::getBySizeUL(expected_size)); |
| 57 | |
| 58 | /* Check static sizeUL() */ |
| 59 | expected_size = cs.maxBytesDL(); |
| 60 | if (cs.spareBitsDL() > 0) |
| 61 | expected_size += 1; |
| 62 | OSMO_ASSERT(expected_size == cs.sizeDL()); |
| 63 | |
Jacob Erlbeck | 392a545 | 2015-12-14 10:38:29 +0100 | [diff] [blame] | 64 | /* Check data block sizes */ |
| 65 | OSMO_ASSERT(cs.maxDataBlockBytes() * cs.numDataBlocks() < cs.maxBytesDL()); |
| 66 | OSMO_ASSERT(cs.maxDataBlockBytes() * cs.numDataBlocks() < cs.maxBytesUL()); |
| 67 | |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 68 | /* Check inc/dec */ |
| 69 | new_cs = cs; |
| 70 | new_cs.inc(mode); |
| 71 | OSMO_ASSERT(new_cs.isCompatible(mode)); |
| 72 | if (new_cs != cs) { |
| 73 | new_cs.dec(mode); |
| 74 | OSMO_ASSERT(new_cs.isCompatible(mode)); |
| 75 | OSMO_ASSERT(new_cs == cs); |
| 76 | } |
| 77 | new_cs.dec(mode); |
| 78 | OSMO_ASSERT(new_cs.isCompatible(mode)); |
| 79 | if (new_cs != cs) { |
| 80 | new_cs.inc(mode); |
| 81 | OSMO_ASSERT(new_cs.isCompatible(mode)); |
| 82 | OSMO_ASSERT(new_cs == cs); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | static void test_coding_scheme() |
| 87 | { |
| 88 | unsigned i; |
| 89 | unsigned last_size_UL; |
| 90 | unsigned last_size_DL; |
| 91 | GprsCodingScheme::Scheme gprs_schemes[] = { |
| 92 | GprsCodingScheme::CS1, |
| 93 | GprsCodingScheme::CS2, |
| 94 | GprsCodingScheme::CS3, |
| 95 | GprsCodingScheme::CS4 |
| 96 | }; |
| 97 | struct { |
| 98 | GprsCodingScheme::Scheme s; |
| 99 | bool is_gmsk; |
| 100 | } egprs_schemes[] = { |
| 101 | {GprsCodingScheme::MCS1, true}, |
| 102 | {GprsCodingScheme::MCS2, true}, |
| 103 | {GprsCodingScheme::MCS3, true}, |
| 104 | {GprsCodingScheme::MCS4, true}, |
| 105 | {GprsCodingScheme::MCS5, false}, |
| 106 | {GprsCodingScheme::MCS6, false}, |
| 107 | {GprsCodingScheme::MCS7, false}, |
| 108 | {GprsCodingScheme::MCS8, false}, |
| 109 | {GprsCodingScheme::MCS9, false}, |
| 110 | }; |
| 111 | |
| 112 | printf("=== start %s ===\n", __func__); |
| 113 | |
| 114 | GprsCodingScheme cs; |
| 115 | OSMO_ASSERT(!cs); |
Jacob Erlbeck | 4c9e549 | 2016-01-04 16:00:05 +0100 | [diff] [blame] | 116 | OSMO_ASSERT(GprsCodingScheme::Scheme(cs) == GprsCodingScheme::UNKNOWN); |
| 117 | OSMO_ASSERT(cs == GprsCodingScheme(GprsCodingScheme::UNKNOWN)); |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 118 | OSMO_ASSERT(!cs.isCompatible(GprsCodingScheme::GPRS)); |
| 119 | OSMO_ASSERT(!cs.isCompatible(GprsCodingScheme::EGPRS_GMSK)); |
| 120 | OSMO_ASSERT(!cs.isCompatible(GprsCodingScheme::EGPRS)); |
| 121 | |
| 122 | last_size_UL = 0; |
| 123 | last_size_DL = 0; |
| 124 | |
| 125 | for (i = 0; i < ARRAY_SIZE(gprs_schemes); i++) { |
| 126 | GprsCodingScheme current_cs(gprs_schemes[i]); |
| 127 | OSMO_ASSERT(current_cs.isGprs()); |
| 128 | OSMO_ASSERT(!current_cs.isEgprs()); |
| 129 | OSMO_ASSERT(!current_cs.isEgprsGmsk()); |
Jacob Erlbeck | 4c9e549 | 2016-01-04 16:00:05 +0100 | [diff] [blame] | 130 | OSMO_ASSERT(GprsCodingScheme::Scheme(current_cs) == gprs_schemes[i]); |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 131 | OSMO_ASSERT(current_cs == GprsCodingScheme(gprs_schemes[i])); |
| 132 | |
| 133 | /* Check strong monotonicity */ |
| 134 | OSMO_ASSERT(current_cs.maxBytesUL() > last_size_UL); |
| 135 | OSMO_ASSERT(current_cs.maxBytesDL() > last_size_DL); |
| 136 | last_size_UL = current_cs.maxBytesUL(); |
| 137 | last_size_DL = current_cs.maxBytesDL(); |
| 138 | |
Jacob Erlbeck | 6c3dc61 | 2015-12-14 10:21:26 +0100 | [diff] [blame] | 139 | /* Check header types */ |
| 140 | OSMO_ASSERT(current_cs.headerTypeData() == |
| 141 | GprsCodingScheme::HEADER_GPRS_DATA); |
| 142 | OSMO_ASSERT(current_cs.headerTypeControl() == |
| 143 | GprsCodingScheme::HEADER_GPRS_CONTROL); |
| 144 | |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 145 | check_coding_scheme(current_cs, GprsCodingScheme::GPRS); |
| 146 | } |
| 147 | OSMO_ASSERT(i == 4); |
| 148 | |
| 149 | last_size_UL = 0; |
| 150 | last_size_DL = 0; |
| 151 | |
| 152 | for (i = 0; i < ARRAY_SIZE(egprs_schemes); i++) { |
| 153 | GprsCodingScheme current_cs(egprs_schemes[i].s); |
| 154 | OSMO_ASSERT(!current_cs.isGprs()); |
| 155 | OSMO_ASSERT(current_cs.isEgprs()); |
| 156 | OSMO_ASSERT(!!current_cs.isEgprsGmsk() == !!egprs_schemes[i].is_gmsk); |
Jacob Erlbeck | 4c9e549 | 2016-01-04 16:00:05 +0100 | [diff] [blame] | 157 | OSMO_ASSERT(GprsCodingScheme::Scheme(current_cs) == egprs_schemes[i].s); |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 158 | OSMO_ASSERT(current_cs == GprsCodingScheme(egprs_schemes[i].s)); |
| 159 | |
| 160 | /* Check strong monotonicity */ |
| 161 | OSMO_ASSERT(current_cs.maxBytesUL() > last_size_UL); |
| 162 | OSMO_ASSERT(current_cs.maxBytesDL() > last_size_DL); |
| 163 | last_size_UL = current_cs.maxBytesUL(); |
| 164 | last_size_DL = current_cs.maxBytesDL(); |
| 165 | |
| 166 | if (egprs_schemes[i].is_gmsk) |
| 167 | check_coding_scheme(current_cs, GprsCodingScheme::EGPRS_GMSK); |
| 168 | check_coding_scheme(current_cs, GprsCodingScheme::EGPRS); |
| 169 | } |
| 170 | OSMO_ASSERT(i == 9); |
| 171 | |
| 172 | printf("=== end %s ===\n", __func__); |
| 173 | } |
| 174 | |
Jacob Erlbeck | 38f1869 | 2016-02-01 10:08:00 +0100 | [diff] [blame] | 175 | static void test_rlc_unit_decoder() |
Jacob Erlbeck | 6167925 | 2015-12-11 18:25:21 +0100 | [diff] [blame] | 176 | { |
Jacob Erlbeck | f2ba4cb | 2016-01-07 18:59:28 +0100 | [diff] [blame^] | 177 | struct gprs_rlc_data_block_info rdbi = {0}; |
Jacob Erlbeck | 6167925 | 2015-12-11 18:25:21 +0100 | [diff] [blame] | 178 | GprsCodingScheme cs; |
| 179 | uint8_t data[74]; |
| 180 | Decoding::RlcData chunks[16]; |
| 181 | volatile int num_chunks = 0; |
| 182 | uint32_t tlli, tlli2; |
| 183 | unsigned int offs; |
| 184 | |
| 185 | |
| 186 | printf("=== start %s ===\n", __func__); |
| 187 | |
| 188 | /* TS 44.060, B.1 */ |
| 189 | cs = GprsCodingScheme::CS4; |
| 190 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 191 | rdbi.e = 0; |
| 192 | rdbi.ti = 0; |
| 193 | rdbi.cv = 15; |
| 194 | tlli = 0; |
| 195 | offs = 0; |
| 196 | data[offs++] = (11 << 2) | (1 << 1) | (0 << 0); |
| 197 | data[offs++] = (26 << 2) | (1 << 1) | (1 << 0); |
| 198 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 199 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 200 | OSMO_ASSERT(num_chunks == 3); |
| 201 | OSMO_ASSERT(tlli == 0); |
| 202 | OSMO_ASSERT(chunks[0].offset == 2); |
| 203 | OSMO_ASSERT(chunks[0].length == 11); |
| 204 | OSMO_ASSERT(chunks[0].is_complete); |
| 205 | OSMO_ASSERT(chunks[1].offset == 13); |
| 206 | OSMO_ASSERT(chunks[1].length == 26); |
| 207 | OSMO_ASSERT(chunks[1].is_complete); |
| 208 | OSMO_ASSERT(chunks[2].offset == 39); |
| 209 | OSMO_ASSERT(chunks[2].length == cs.maxDataBlockBytes() - 39); |
| 210 | OSMO_ASSERT(!chunks[2].is_complete); |
| 211 | |
| 212 | /* TS 44.060, B.2 */ |
| 213 | cs = GprsCodingScheme::CS1; |
| 214 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 215 | rdbi.e = 0; |
| 216 | rdbi.ti = 0; |
| 217 | rdbi.cv = 15; |
| 218 | tlli = 0; |
| 219 | offs = 0; |
| 220 | data[offs++] = (0 << 2) | (0 << 1) | (1 << 0); |
| 221 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 222 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 223 | OSMO_ASSERT(num_chunks == 1); |
| 224 | OSMO_ASSERT(tlli == 0); |
| 225 | OSMO_ASSERT(chunks[0].offset == 1); |
| 226 | OSMO_ASSERT(chunks[0].length == 19); |
| 227 | OSMO_ASSERT(!chunks[0].is_complete); |
| 228 | |
| 229 | rdbi.e = 0; |
| 230 | rdbi.ti = 0; |
| 231 | rdbi.cv = 15; |
| 232 | tlli = 0; |
| 233 | offs = 0; |
| 234 | data[offs++] = (1 << 2) | (1 << 1) | (1 << 0); |
| 235 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 236 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 237 | OSMO_ASSERT(num_chunks == 2); |
| 238 | OSMO_ASSERT(tlli == 0); |
| 239 | OSMO_ASSERT(chunks[0].offset == 1); |
| 240 | OSMO_ASSERT(chunks[0].length == 1); |
| 241 | OSMO_ASSERT(chunks[0].is_complete); |
| 242 | OSMO_ASSERT(chunks[1].offset == 2); |
| 243 | OSMO_ASSERT(chunks[1].length == 18); |
| 244 | OSMO_ASSERT(!chunks[1].is_complete); |
| 245 | |
| 246 | /* TS 44.060, B.3 */ |
| 247 | cs = GprsCodingScheme::CS1; |
| 248 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 249 | rdbi.e = 0; |
| 250 | rdbi.ti = 0; |
| 251 | rdbi.cv = 15; |
| 252 | tlli = 0; |
| 253 | offs = 0; |
| 254 | data[offs++] = (7 << 2) | (1 << 1) | (0 << 0); |
| 255 | data[offs++] = (11 << 2) | (0 << 1) | (1 << 0); |
| 256 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 257 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 258 | OSMO_ASSERT(num_chunks == 2); |
| 259 | OSMO_ASSERT(tlli == 0); |
| 260 | OSMO_ASSERT(chunks[0].offset == 2); |
| 261 | OSMO_ASSERT(chunks[0].length == 7); |
| 262 | OSMO_ASSERT(chunks[0].is_complete); |
| 263 | OSMO_ASSERT(chunks[1].offset == 9); |
| 264 | OSMO_ASSERT(chunks[1].length == 11); |
| 265 | OSMO_ASSERT(chunks[1].is_complete); |
| 266 | |
| 267 | /* TS 44.060, B.4 */ |
| 268 | cs = GprsCodingScheme::CS1; |
| 269 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 270 | rdbi.e = 1; |
| 271 | rdbi.ti = 0; |
| 272 | rdbi.cv = 15; |
| 273 | tlli = 0; |
| 274 | offs = 0; |
| 275 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 276 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 277 | OSMO_ASSERT(num_chunks == 1); |
| 278 | OSMO_ASSERT(tlli == 0); |
| 279 | OSMO_ASSERT(chunks[0].offset == 0); |
| 280 | OSMO_ASSERT(chunks[0].length == 20); |
| 281 | OSMO_ASSERT(!chunks[0].is_complete); |
| 282 | |
| 283 | /* TS 44.060, B.6 */ |
| 284 | cs = GprsCodingScheme::CS1; |
| 285 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 286 | rdbi.e = 1; |
| 287 | rdbi.ti = 0; |
| 288 | rdbi.cv = 0; |
| 289 | tlli = 0; |
| 290 | offs = 0; |
| 291 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 292 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 293 | OSMO_ASSERT(num_chunks == 1); |
| 294 | OSMO_ASSERT(tlli == 0); |
| 295 | OSMO_ASSERT(chunks[0].offset == 0); |
| 296 | OSMO_ASSERT(chunks[0].length == 20); |
| 297 | OSMO_ASSERT(chunks[0].is_complete); |
| 298 | |
| 299 | /* TS 44.060, B.8.1 */ |
| 300 | cs = GprsCodingScheme::MCS4; |
| 301 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 302 | rdbi.e = 0; |
| 303 | rdbi.ti = 0; |
| 304 | rdbi.cv = 15; |
| 305 | tlli = 0; |
| 306 | offs = 0; |
| 307 | data[offs++] = (11 << 1) | (0 << 0); |
| 308 | data[offs++] = (26 << 1) | (1 << 0); |
| 309 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 310 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 311 | OSMO_ASSERT(num_chunks == 3); |
| 312 | OSMO_ASSERT(tlli == 0); |
| 313 | OSMO_ASSERT(chunks[0].offset == 2); |
| 314 | OSMO_ASSERT(chunks[0].length == 11); |
| 315 | OSMO_ASSERT(chunks[0].is_complete); |
| 316 | OSMO_ASSERT(chunks[1].offset == 13); |
| 317 | OSMO_ASSERT(chunks[1].length == 26); |
| 318 | OSMO_ASSERT(chunks[1].is_complete); |
| 319 | OSMO_ASSERT(chunks[2].offset == 39); |
| 320 | OSMO_ASSERT(chunks[2].length == 5); |
| 321 | OSMO_ASSERT(!chunks[2].is_complete); |
| 322 | |
| 323 | /* TS 44.060, B.8.2 */ |
| 324 | |
| 325 | /* Note that the spec confuses the byte numbering here, since it |
| 326 | * includes the FBI/E header bits into the N2 octet count which |
| 327 | * is not consistent with Section 10.3a.1 & 10.3a.2. */ |
| 328 | |
| 329 | cs = GprsCodingScheme::MCS2; |
| 330 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 331 | rdbi.e = 0; |
| 332 | rdbi.ti = 0; |
| 333 | rdbi.cv = 15; |
| 334 | tlli = 0; |
| 335 | offs = 0; |
| 336 | data[offs++] = (15 << 1) | (1 << 0); |
| 337 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 338 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 339 | OSMO_ASSERT(num_chunks == 2); |
| 340 | OSMO_ASSERT(tlli == 0); |
| 341 | OSMO_ASSERT(chunks[0].offset == 1); |
| 342 | OSMO_ASSERT(chunks[0].length == 15); |
| 343 | OSMO_ASSERT(chunks[0].is_complete); |
| 344 | OSMO_ASSERT(chunks[1].offset == 16); |
| 345 | OSMO_ASSERT(chunks[1].length == 12); |
| 346 | OSMO_ASSERT(!chunks[1].is_complete); |
| 347 | |
| 348 | rdbi.e = 0; |
| 349 | rdbi.ti = 0; |
| 350 | rdbi.cv = 15; |
| 351 | tlli = 0; |
| 352 | offs = 0; |
| 353 | data[offs++] = ( 0 << 1) | (0 << 0); |
| 354 | data[offs++] = ( 7 << 1) | (0 << 0); |
| 355 | data[offs++] = (18 << 1) | (1 << 0); /* Differs from spec's N2-11 = 17 */ |
| 356 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 357 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 358 | OSMO_ASSERT(num_chunks == 3); |
| 359 | OSMO_ASSERT(tlli == 0); |
| 360 | OSMO_ASSERT(chunks[0].offset == 3); |
| 361 | OSMO_ASSERT(chunks[0].length == 0); |
| 362 | OSMO_ASSERT(chunks[0].is_complete); |
| 363 | OSMO_ASSERT(chunks[1].offset == 3); |
| 364 | OSMO_ASSERT(chunks[1].length == 7); |
| 365 | OSMO_ASSERT(chunks[1].is_complete); |
| 366 | OSMO_ASSERT(chunks[2].offset == 10); |
| 367 | OSMO_ASSERT(chunks[2].length == 18); |
| 368 | OSMO_ASSERT(chunks[2].is_complete); |
| 369 | |
| 370 | rdbi.e = 0; |
| 371 | rdbi.ti = 0; |
| 372 | rdbi.cv = 0; |
| 373 | tlli = 0; |
| 374 | offs = 0; |
| 375 | data[offs++] = ( 6 << 1) | (0 << 0); |
| 376 | data[offs++] = (12 << 1) | (0 << 0); |
| 377 | data[offs++] = (127 << 1) | (1 << 0); |
| 378 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 379 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 380 | OSMO_ASSERT(num_chunks == 2); |
| 381 | OSMO_ASSERT(tlli == 0); |
| 382 | OSMO_ASSERT(chunks[0].offset == 3); |
| 383 | OSMO_ASSERT(chunks[0].length == 6); |
| 384 | OSMO_ASSERT(chunks[0].is_complete); |
| 385 | OSMO_ASSERT(chunks[1].offset == 9); |
| 386 | OSMO_ASSERT(chunks[1].length == 12); |
| 387 | OSMO_ASSERT(chunks[1].is_complete); |
| 388 | |
| 389 | /* TS 44.060, B.8.3 */ |
| 390 | |
| 391 | /* Note that the spec confuses the byte numbering here, too (see above) */ |
| 392 | |
| 393 | cs = GprsCodingScheme::MCS2; |
| 394 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 395 | rdbi.e = 1; |
| 396 | rdbi.ti = 0; |
| 397 | rdbi.cv = 0; |
| 398 | tlli = 0; |
| 399 | offs = 0; |
| 400 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 401 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 402 | OSMO_ASSERT(num_chunks == 1); |
| 403 | OSMO_ASSERT(tlli == 0); |
| 404 | OSMO_ASSERT(chunks[0].offset == 0); |
| 405 | OSMO_ASSERT(chunks[0].length == 28); |
| 406 | OSMO_ASSERT(chunks[0].is_complete); |
| 407 | |
| 408 | /* CS-1, TLLI, last block, single chunk until the end of the block */ |
| 409 | cs = GprsCodingScheme::CS1; |
| 410 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 411 | rdbi.e = 1; |
| 412 | rdbi.ti = 1; |
| 413 | rdbi.cv = 0; |
| 414 | tlli = 0; |
| 415 | tlli2 = 0xffeeddcc; |
| 416 | offs = 0; |
| 417 | data[offs++] = tlli2 >> 24; |
| 418 | data[offs++] = tlli2 >> 16; |
| 419 | data[offs++] = tlli2 >> 8; |
| 420 | data[offs++] = tlli2 >> 0; |
| 421 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 422 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 423 | OSMO_ASSERT(num_chunks == 1); |
| 424 | OSMO_ASSERT(tlli == tlli2); |
| 425 | OSMO_ASSERT(chunks[0].offset == 4); |
| 426 | OSMO_ASSERT(chunks[0].length == 16); |
| 427 | OSMO_ASSERT(chunks[0].is_complete); |
| 428 | |
| 429 | /* Like TS 44.060, B.2, first RLC block but with TLLI */ |
| 430 | cs = GprsCodingScheme::CS1; |
| 431 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 432 | rdbi.e = 0; |
| 433 | rdbi.ti = 1; |
| 434 | rdbi.cv = 15; |
| 435 | tlli = 0; |
| 436 | tlli2 = 0xffeeddbb; |
| 437 | offs = 0; |
| 438 | data[offs++] = (0 << 2) | (0 << 1) | (1 << 0); |
| 439 | data[offs++] = tlli2 >> 24; |
| 440 | data[offs++] = tlli2 >> 16; |
| 441 | data[offs++] = tlli2 >> 8; |
| 442 | data[offs++] = tlli2 >> 0; |
| 443 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 444 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 445 | OSMO_ASSERT(num_chunks == 1); |
| 446 | OSMO_ASSERT(tlli == tlli2); |
| 447 | OSMO_ASSERT(chunks[0].offset == 5); |
| 448 | OSMO_ASSERT(chunks[0].length == 15); |
| 449 | OSMO_ASSERT(!chunks[0].is_complete); |
| 450 | |
| 451 | /* Like TS 44.060, B.8.1 but with TLLI */ |
| 452 | cs = GprsCodingScheme::MCS4; |
| 453 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 454 | rdbi.e = 0; |
| 455 | rdbi.ti = 1; |
| 456 | rdbi.cv = 15; |
| 457 | tlli = 0; |
| 458 | tlli2 = 0xffeeddaa; |
| 459 | offs = 0; |
| 460 | data[offs++] = (11 << 1) | (0 << 0); |
| 461 | data[offs++] = (26 << 1) | (1 << 0); |
| 462 | /* Little endian */ |
| 463 | data[offs++] = tlli2 >> 0; |
| 464 | data[offs++] = tlli2 >> 8; |
| 465 | data[offs++] = tlli2 >> 16; |
| 466 | data[offs++] = tlli2 >> 24; |
| 467 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 468 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 469 | OSMO_ASSERT(num_chunks == 3); |
| 470 | OSMO_ASSERT(tlli == tlli2); |
| 471 | OSMO_ASSERT(chunks[0].offset == 6); |
| 472 | OSMO_ASSERT(chunks[0].length == 11); |
| 473 | OSMO_ASSERT(chunks[0].is_complete); |
| 474 | OSMO_ASSERT(chunks[1].offset == 17); |
| 475 | OSMO_ASSERT(chunks[1].length == 26); |
| 476 | OSMO_ASSERT(chunks[1].is_complete); |
| 477 | OSMO_ASSERT(chunks[2].offset == 43); |
| 478 | OSMO_ASSERT(chunks[2].length == 1); |
| 479 | OSMO_ASSERT(!chunks[2].is_complete); |
| 480 | |
| 481 | printf("=== end %s ===\n", __func__); |
| 482 | } |
| 483 | |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 484 | |
| 485 | static const struct log_info_cat default_categories[] = { |
| 486 | {"DCSN1", "\033[1;31m", "Concrete Syntax Notation One (CSN1)", LOGL_INFO, 0}, |
| 487 | {"DL1IF", "\033[1;32m", "GPRS PCU L1 interface (L1IF)", LOGL_DEBUG, 1}, |
| 488 | {"DRLCMAC", "\033[0;33m", "GPRS RLC/MAC layer (RLCMAC)", LOGL_DEBUG, 1}, |
| 489 | {"DRLCMACDATA", "\033[0;33m", "GPRS RLC/MAC layer Data (RLCMAC)", LOGL_DEBUG, 1}, |
| 490 | {"DRLCMACDL", "\033[1;33m", "GPRS RLC/MAC layer Downlink (RLCMAC)", LOGL_DEBUG, 1}, |
| 491 | {"DRLCMACUL", "\033[1;36m", "GPRS RLC/MAC layer Uplink (RLCMAC)", LOGL_DEBUG, 1}, |
| 492 | {"DRLCMACSCHED", "\033[0;36m", "GPRS RLC/MAC layer Scheduling (RLCMAC)", LOGL_DEBUG, 1}, |
| 493 | {"DRLCMACMEAS", "\033[1;31m", "GPRS RLC/MAC layer Measurements (RLCMAC)", LOGL_INFO, 1}, |
| 494 | {"DNS","\033[1;34m", "GPRS Network Service Protocol (NS)", LOGL_INFO , 1}, |
| 495 | {"DBSSGP","\033[1;34m", "GPRS BSS Gateway Protocol (BSSGP)", LOGL_INFO , 1}, |
| 496 | {"DPCU", "\033[1;35m", "GPRS Packet Control Unit (PCU)", LOGL_NOTICE, 1}, |
| 497 | }; |
| 498 | |
| 499 | static int filter_fn(const struct log_context *ctx, |
| 500 | struct log_target *tar) |
| 501 | { |
| 502 | return 1; |
| 503 | } |
| 504 | |
| 505 | const struct log_info debug_log_info = { |
| 506 | filter_fn, |
| 507 | (struct log_info_cat*)default_categories, |
| 508 | ARRAY_SIZE(default_categories), |
| 509 | }; |
| 510 | |
| 511 | int main(int argc, char **argv) |
| 512 | { |
| 513 | struct vty_app_info pcu_vty_info = {0}; |
| 514 | |
| 515 | tall_pcu_ctx = talloc_named_const(NULL, 1, "EdgeTest context"); |
| 516 | if (!tall_pcu_ctx) |
| 517 | abort(); |
| 518 | |
| 519 | msgb_set_talloc_ctx(tall_pcu_ctx); |
| 520 | osmo_init_logging(&debug_log_info); |
| 521 | log_set_use_color(osmo_stderr_target, 0); |
| 522 | log_set_print_filename(osmo_stderr_target, 0); |
| 523 | |
| 524 | vty_init(&pcu_vty_info); |
| 525 | pcu_vty_init(&debug_log_info); |
| 526 | |
| 527 | test_coding_scheme(); |
Jacob Erlbeck | 38f1869 | 2016-02-01 10:08:00 +0100 | [diff] [blame] | 528 | test_rlc_unit_decoder(); |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 529 | |
| 530 | if (getenv("TALLOC_REPORT_FULL")) |
| 531 | talloc_report_full(tall_pcu_ctx, stderr); |
| 532 | return EXIT_SUCCESS; |
| 533 | } |
| 534 | |
| 535 | /* |
| 536 | * stubs that should not be reached |
| 537 | */ |
| 538 | extern "C" { |
| 539 | void l1if_pdch_req() { abort(); } |
| 540 | void l1if_connect_pdch() { abort(); } |
| 541 | void l1if_close_pdch() { abort(); } |
| 542 | void l1if_open_pdch() { abort(); } |
| 543 | } |