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 | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 28 | |
| 29 | extern "C" { |
| 30 | #include "pcu_vty.h" |
| 31 | |
| 32 | #include <osmocom/core/application.h> |
| 33 | #include <osmocom/core/msgb.h> |
| 34 | #include <osmocom/core/talloc.h> |
| 35 | #include <osmocom/core/utils.h> |
| 36 | #include <osmocom/vty/vty.h> |
| 37 | } |
| 38 | |
| 39 | #include <errno.h> |
Jacob Erlbeck | f0e4039 | 2016-01-08 10:07:53 +0100 | [diff] [blame^] | 40 | #include <string.h> |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 41 | |
| 42 | void *tall_pcu_ctx; |
| 43 | int16_t spoof_mnc = 0, spoof_mcc = 0; |
| 44 | |
| 45 | static void check_coding_scheme(GprsCodingScheme& cs, GprsCodingScheme::Mode mode) |
| 46 | { |
| 47 | volatile unsigned expected_size; |
| 48 | GprsCodingScheme new_cs; |
| 49 | |
| 50 | OSMO_ASSERT(cs.isValid()); |
| 51 | OSMO_ASSERT(cs.isCompatible(mode)); |
| 52 | |
| 53 | /* Check static getBySizeUL() */ |
Jacob Erlbeck | fc1b3e6 | 2016-01-11 09:58:11 +0100 | [diff] [blame] | 54 | expected_size = cs.usedSizeUL(); |
| 55 | if (cs.spareBitsUL() > 0 && cs.isGprs()) |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 56 | expected_size += 1; |
| 57 | OSMO_ASSERT(expected_size == cs.sizeUL()); |
| 58 | OSMO_ASSERT(cs == GprsCodingScheme::getBySizeUL(expected_size)); |
| 59 | |
| 60 | /* Check static sizeUL() */ |
Jacob Erlbeck | fc1b3e6 | 2016-01-11 09:58:11 +0100 | [diff] [blame] | 61 | expected_size = cs.usedSizeDL(); |
| 62 | if (cs.spareBitsDL() > 0 && cs.isGprs()) |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 63 | expected_size += 1; |
| 64 | OSMO_ASSERT(expected_size == cs.sizeDL()); |
| 65 | |
Jacob Erlbeck | 392a545 | 2015-12-14 10:38:29 +0100 | [diff] [blame] | 66 | /* Check data block sizes */ |
| 67 | OSMO_ASSERT(cs.maxDataBlockBytes() * cs.numDataBlocks() < cs.maxBytesDL()); |
| 68 | OSMO_ASSERT(cs.maxDataBlockBytes() * cs.numDataBlocks() < cs.maxBytesUL()); |
| 69 | |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 70 | /* Check inc/dec */ |
| 71 | new_cs = cs; |
| 72 | new_cs.inc(mode); |
| 73 | OSMO_ASSERT(new_cs.isCompatible(mode)); |
| 74 | if (new_cs != cs) { |
| 75 | new_cs.dec(mode); |
| 76 | OSMO_ASSERT(new_cs.isCompatible(mode)); |
| 77 | OSMO_ASSERT(new_cs == cs); |
| 78 | } |
| 79 | new_cs.dec(mode); |
| 80 | OSMO_ASSERT(new_cs.isCompatible(mode)); |
| 81 | if (new_cs != cs) { |
| 82 | new_cs.inc(mode); |
| 83 | OSMO_ASSERT(new_cs.isCompatible(mode)); |
| 84 | OSMO_ASSERT(new_cs == cs); |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | static void test_coding_scheme() |
| 89 | { |
| 90 | unsigned i; |
| 91 | unsigned last_size_UL; |
| 92 | unsigned last_size_DL; |
| 93 | GprsCodingScheme::Scheme gprs_schemes[] = { |
| 94 | GprsCodingScheme::CS1, |
| 95 | GprsCodingScheme::CS2, |
| 96 | GprsCodingScheme::CS3, |
| 97 | GprsCodingScheme::CS4 |
| 98 | }; |
| 99 | struct { |
| 100 | GprsCodingScheme::Scheme s; |
| 101 | bool is_gmsk; |
| 102 | } egprs_schemes[] = { |
| 103 | {GprsCodingScheme::MCS1, true}, |
| 104 | {GprsCodingScheme::MCS2, true}, |
| 105 | {GprsCodingScheme::MCS3, true}, |
| 106 | {GprsCodingScheme::MCS4, true}, |
| 107 | {GprsCodingScheme::MCS5, false}, |
| 108 | {GprsCodingScheme::MCS6, false}, |
| 109 | {GprsCodingScheme::MCS7, false}, |
| 110 | {GprsCodingScheme::MCS8, false}, |
| 111 | {GprsCodingScheme::MCS9, false}, |
| 112 | }; |
| 113 | |
| 114 | printf("=== start %s ===\n", __func__); |
| 115 | |
| 116 | GprsCodingScheme cs; |
| 117 | OSMO_ASSERT(!cs); |
Jacob Erlbeck | 4c9e549 | 2016-01-04 16:00:05 +0100 | [diff] [blame] | 118 | OSMO_ASSERT(GprsCodingScheme::Scheme(cs) == GprsCodingScheme::UNKNOWN); |
| 119 | OSMO_ASSERT(cs == GprsCodingScheme(GprsCodingScheme::UNKNOWN)); |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 120 | OSMO_ASSERT(!cs.isCompatible(GprsCodingScheme::GPRS)); |
| 121 | OSMO_ASSERT(!cs.isCompatible(GprsCodingScheme::EGPRS_GMSK)); |
| 122 | OSMO_ASSERT(!cs.isCompatible(GprsCodingScheme::EGPRS)); |
| 123 | |
| 124 | last_size_UL = 0; |
| 125 | last_size_DL = 0; |
| 126 | |
| 127 | for (i = 0; i < ARRAY_SIZE(gprs_schemes); i++) { |
| 128 | GprsCodingScheme current_cs(gprs_schemes[i]); |
| 129 | OSMO_ASSERT(current_cs.isGprs()); |
| 130 | OSMO_ASSERT(!current_cs.isEgprs()); |
| 131 | OSMO_ASSERT(!current_cs.isEgprsGmsk()); |
Jacob Erlbeck | 4c9e549 | 2016-01-04 16:00:05 +0100 | [diff] [blame] | 132 | OSMO_ASSERT(GprsCodingScheme::Scheme(current_cs) == gprs_schemes[i]); |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 133 | OSMO_ASSERT(current_cs == GprsCodingScheme(gprs_schemes[i])); |
| 134 | |
| 135 | /* Check strong monotonicity */ |
| 136 | OSMO_ASSERT(current_cs.maxBytesUL() > last_size_UL); |
| 137 | OSMO_ASSERT(current_cs.maxBytesDL() > last_size_DL); |
| 138 | last_size_UL = current_cs.maxBytesUL(); |
| 139 | last_size_DL = current_cs.maxBytesDL(); |
| 140 | |
Jacob Erlbeck | 6c3dc61 | 2015-12-14 10:21:26 +0100 | [diff] [blame] | 141 | /* Check header types */ |
| 142 | OSMO_ASSERT(current_cs.headerTypeData() == |
| 143 | GprsCodingScheme::HEADER_GPRS_DATA); |
| 144 | OSMO_ASSERT(current_cs.headerTypeControl() == |
| 145 | GprsCodingScheme::HEADER_GPRS_CONTROL); |
| 146 | |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 147 | check_coding_scheme(current_cs, GprsCodingScheme::GPRS); |
| 148 | } |
| 149 | OSMO_ASSERT(i == 4); |
| 150 | |
| 151 | last_size_UL = 0; |
| 152 | last_size_DL = 0; |
| 153 | |
| 154 | for (i = 0; i < ARRAY_SIZE(egprs_schemes); i++) { |
| 155 | GprsCodingScheme current_cs(egprs_schemes[i].s); |
| 156 | OSMO_ASSERT(!current_cs.isGprs()); |
| 157 | OSMO_ASSERT(current_cs.isEgprs()); |
| 158 | OSMO_ASSERT(!!current_cs.isEgprsGmsk() == !!egprs_schemes[i].is_gmsk); |
Jacob Erlbeck | 4c9e549 | 2016-01-04 16:00:05 +0100 | [diff] [blame] | 159 | OSMO_ASSERT(GprsCodingScheme::Scheme(current_cs) == egprs_schemes[i].s); |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 160 | OSMO_ASSERT(current_cs == GprsCodingScheme(egprs_schemes[i].s)); |
| 161 | |
| 162 | /* Check strong monotonicity */ |
| 163 | OSMO_ASSERT(current_cs.maxBytesUL() > last_size_UL); |
| 164 | OSMO_ASSERT(current_cs.maxBytesDL() > last_size_DL); |
| 165 | last_size_UL = current_cs.maxBytesUL(); |
| 166 | last_size_DL = current_cs.maxBytesDL(); |
| 167 | |
| 168 | if (egprs_schemes[i].is_gmsk) |
| 169 | check_coding_scheme(current_cs, GprsCodingScheme::EGPRS_GMSK); |
| 170 | check_coding_scheme(current_cs, GprsCodingScheme::EGPRS); |
| 171 | } |
| 172 | OSMO_ASSERT(i == 9); |
| 173 | |
| 174 | printf("=== end %s ===\n", __func__); |
| 175 | } |
| 176 | |
Jacob Erlbeck | 38f1869 | 2016-02-01 10:08:00 +0100 | [diff] [blame] | 177 | static void test_rlc_unit_decoder() |
Jacob Erlbeck | 6167925 | 2015-12-11 18:25:21 +0100 | [diff] [blame] | 178 | { |
Jacob Erlbeck | f2ba4cb | 2016-01-07 18:59:28 +0100 | [diff] [blame] | 179 | struct gprs_rlc_data_block_info rdbi = {0}; |
Jacob Erlbeck | 6167925 | 2015-12-11 18:25:21 +0100 | [diff] [blame] | 180 | GprsCodingScheme cs; |
| 181 | uint8_t data[74]; |
| 182 | Decoding::RlcData chunks[16]; |
| 183 | volatile int num_chunks = 0; |
| 184 | uint32_t tlli, tlli2; |
| 185 | unsigned int offs; |
| 186 | |
| 187 | |
| 188 | printf("=== start %s ===\n", __func__); |
| 189 | |
| 190 | /* TS 44.060, B.1 */ |
| 191 | cs = GprsCodingScheme::CS4; |
| 192 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 193 | rdbi.e = 0; |
| 194 | rdbi.ti = 0; |
| 195 | rdbi.cv = 15; |
| 196 | tlli = 0; |
| 197 | offs = 0; |
| 198 | data[offs++] = (11 << 2) | (1 << 1) | (0 << 0); |
| 199 | data[offs++] = (26 << 2) | (1 << 1) | (1 << 0); |
| 200 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 201 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 202 | OSMO_ASSERT(num_chunks == 3); |
| 203 | OSMO_ASSERT(tlli == 0); |
| 204 | OSMO_ASSERT(chunks[0].offset == 2); |
| 205 | OSMO_ASSERT(chunks[0].length == 11); |
| 206 | OSMO_ASSERT(chunks[0].is_complete); |
| 207 | OSMO_ASSERT(chunks[1].offset == 13); |
| 208 | OSMO_ASSERT(chunks[1].length == 26); |
| 209 | OSMO_ASSERT(chunks[1].is_complete); |
| 210 | OSMO_ASSERT(chunks[2].offset == 39); |
| 211 | OSMO_ASSERT(chunks[2].length == cs.maxDataBlockBytes() - 39); |
| 212 | OSMO_ASSERT(!chunks[2].is_complete); |
| 213 | |
| 214 | /* TS 44.060, B.2 */ |
| 215 | cs = GprsCodingScheme::CS1; |
| 216 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 217 | rdbi.e = 0; |
| 218 | rdbi.ti = 0; |
| 219 | rdbi.cv = 15; |
| 220 | tlli = 0; |
| 221 | offs = 0; |
| 222 | data[offs++] = (0 << 2) | (0 << 1) | (1 << 0); |
| 223 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 224 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 225 | OSMO_ASSERT(num_chunks == 1); |
| 226 | OSMO_ASSERT(tlli == 0); |
| 227 | OSMO_ASSERT(chunks[0].offset == 1); |
| 228 | OSMO_ASSERT(chunks[0].length == 19); |
| 229 | OSMO_ASSERT(!chunks[0].is_complete); |
| 230 | |
| 231 | rdbi.e = 0; |
| 232 | rdbi.ti = 0; |
| 233 | rdbi.cv = 15; |
| 234 | tlli = 0; |
| 235 | offs = 0; |
| 236 | data[offs++] = (1 << 2) | (1 << 1) | (1 << 0); |
| 237 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 238 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 239 | OSMO_ASSERT(num_chunks == 2); |
| 240 | OSMO_ASSERT(tlli == 0); |
| 241 | OSMO_ASSERT(chunks[0].offset == 1); |
| 242 | OSMO_ASSERT(chunks[0].length == 1); |
| 243 | OSMO_ASSERT(chunks[0].is_complete); |
| 244 | OSMO_ASSERT(chunks[1].offset == 2); |
| 245 | OSMO_ASSERT(chunks[1].length == 18); |
| 246 | OSMO_ASSERT(!chunks[1].is_complete); |
| 247 | |
| 248 | /* TS 44.060, B.3 */ |
| 249 | cs = GprsCodingScheme::CS1; |
| 250 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 251 | rdbi.e = 0; |
| 252 | rdbi.ti = 0; |
| 253 | rdbi.cv = 15; |
| 254 | tlli = 0; |
| 255 | offs = 0; |
| 256 | data[offs++] = (7 << 2) | (1 << 1) | (0 << 0); |
| 257 | data[offs++] = (11 << 2) | (0 << 1) | (1 << 0); |
| 258 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 259 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 260 | OSMO_ASSERT(num_chunks == 2); |
| 261 | OSMO_ASSERT(tlli == 0); |
| 262 | OSMO_ASSERT(chunks[0].offset == 2); |
| 263 | OSMO_ASSERT(chunks[0].length == 7); |
| 264 | OSMO_ASSERT(chunks[0].is_complete); |
| 265 | OSMO_ASSERT(chunks[1].offset == 9); |
| 266 | OSMO_ASSERT(chunks[1].length == 11); |
| 267 | OSMO_ASSERT(chunks[1].is_complete); |
| 268 | |
| 269 | /* TS 44.060, B.4 */ |
| 270 | cs = GprsCodingScheme::CS1; |
| 271 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 272 | rdbi.e = 1; |
| 273 | rdbi.ti = 0; |
| 274 | rdbi.cv = 15; |
| 275 | tlli = 0; |
| 276 | offs = 0; |
| 277 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 278 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 279 | OSMO_ASSERT(num_chunks == 1); |
| 280 | OSMO_ASSERT(tlli == 0); |
| 281 | OSMO_ASSERT(chunks[0].offset == 0); |
| 282 | OSMO_ASSERT(chunks[0].length == 20); |
| 283 | OSMO_ASSERT(!chunks[0].is_complete); |
| 284 | |
| 285 | /* TS 44.060, B.6 */ |
| 286 | cs = GprsCodingScheme::CS1; |
| 287 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 288 | rdbi.e = 1; |
| 289 | rdbi.ti = 0; |
| 290 | rdbi.cv = 0; |
| 291 | tlli = 0; |
| 292 | offs = 0; |
| 293 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 294 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 295 | OSMO_ASSERT(num_chunks == 1); |
| 296 | OSMO_ASSERT(tlli == 0); |
| 297 | OSMO_ASSERT(chunks[0].offset == 0); |
| 298 | OSMO_ASSERT(chunks[0].length == 20); |
| 299 | OSMO_ASSERT(chunks[0].is_complete); |
| 300 | |
| 301 | /* TS 44.060, B.8.1 */ |
| 302 | cs = GprsCodingScheme::MCS4; |
| 303 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 304 | rdbi.e = 0; |
| 305 | rdbi.ti = 0; |
| 306 | rdbi.cv = 15; |
| 307 | tlli = 0; |
| 308 | offs = 0; |
| 309 | data[offs++] = (11 << 1) | (0 << 0); |
| 310 | data[offs++] = (26 << 1) | (1 << 0); |
| 311 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 312 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 313 | OSMO_ASSERT(num_chunks == 3); |
| 314 | OSMO_ASSERT(tlli == 0); |
| 315 | OSMO_ASSERT(chunks[0].offset == 2); |
| 316 | OSMO_ASSERT(chunks[0].length == 11); |
| 317 | OSMO_ASSERT(chunks[0].is_complete); |
| 318 | OSMO_ASSERT(chunks[1].offset == 13); |
| 319 | OSMO_ASSERT(chunks[1].length == 26); |
| 320 | OSMO_ASSERT(chunks[1].is_complete); |
| 321 | OSMO_ASSERT(chunks[2].offset == 39); |
| 322 | OSMO_ASSERT(chunks[2].length == 5); |
| 323 | OSMO_ASSERT(!chunks[2].is_complete); |
| 324 | |
| 325 | /* TS 44.060, B.8.2 */ |
| 326 | |
| 327 | /* Note that the spec confuses the byte numbering here, since it |
| 328 | * includes the FBI/E header bits into the N2 octet count which |
| 329 | * is not consistent with Section 10.3a.1 & 10.3a.2. */ |
| 330 | |
| 331 | cs = GprsCodingScheme::MCS2; |
| 332 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 333 | rdbi.e = 0; |
| 334 | rdbi.ti = 0; |
| 335 | rdbi.cv = 15; |
| 336 | tlli = 0; |
| 337 | offs = 0; |
| 338 | data[offs++] = (15 << 1) | (1 << 0); |
| 339 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 340 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 341 | OSMO_ASSERT(num_chunks == 2); |
| 342 | OSMO_ASSERT(tlli == 0); |
| 343 | OSMO_ASSERT(chunks[0].offset == 1); |
| 344 | OSMO_ASSERT(chunks[0].length == 15); |
| 345 | OSMO_ASSERT(chunks[0].is_complete); |
| 346 | OSMO_ASSERT(chunks[1].offset == 16); |
| 347 | OSMO_ASSERT(chunks[1].length == 12); |
| 348 | OSMO_ASSERT(!chunks[1].is_complete); |
| 349 | |
| 350 | rdbi.e = 0; |
| 351 | rdbi.ti = 0; |
| 352 | rdbi.cv = 15; |
| 353 | tlli = 0; |
| 354 | offs = 0; |
| 355 | data[offs++] = ( 0 << 1) | (0 << 0); |
| 356 | data[offs++] = ( 7 << 1) | (0 << 0); |
| 357 | data[offs++] = (18 << 1) | (1 << 0); /* Differs from spec's N2-11 = 17 */ |
| 358 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 359 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 360 | OSMO_ASSERT(num_chunks == 3); |
| 361 | OSMO_ASSERT(tlli == 0); |
| 362 | OSMO_ASSERT(chunks[0].offset == 3); |
| 363 | OSMO_ASSERT(chunks[0].length == 0); |
| 364 | OSMO_ASSERT(chunks[0].is_complete); |
| 365 | OSMO_ASSERT(chunks[1].offset == 3); |
| 366 | OSMO_ASSERT(chunks[1].length == 7); |
| 367 | OSMO_ASSERT(chunks[1].is_complete); |
| 368 | OSMO_ASSERT(chunks[2].offset == 10); |
| 369 | OSMO_ASSERT(chunks[2].length == 18); |
| 370 | OSMO_ASSERT(chunks[2].is_complete); |
| 371 | |
| 372 | rdbi.e = 0; |
| 373 | rdbi.ti = 0; |
| 374 | rdbi.cv = 0; |
| 375 | tlli = 0; |
| 376 | offs = 0; |
| 377 | data[offs++] = ( 6 << 1) | (0 << 0); |
| 378 | data[offs++] = (12 << 1) | (0 << 0); |
| 379 | data[offs++] = (127 << 1) | (1 << 0); |
| 380 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 381 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 382 | OSMO_ASSERT(num_chunks == 2); |
| 383 | OSMO_ASSERT(tlli == 0); |
| 384 | OSMO_ASSERT(chunks[0].offset == 3); |
| 385 | OSMO_ASSERT(chunks[0].length == 6); |
| 386 | OSMO_ASSERT(chunks[0].is_complete); |
| 387 | OSMO_ASSERT(chunks[1].offset == 9); |
| 388 | OSMO_ASSERT(chunks[1].length == 12); |
| 389 | OSMO_ASSERT(chunks[1].is_complete); |
| 390 | |
| 391 | /* TS 44.060, B.8.3 */ |
| 392 | |
| 393 | /* Note that the spec confuses the byte numbering here, too (see above) */ |
| 394 | |
| 395 | cs = GprsCodingScheme::MCS2; |
| 396 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 397 | rdbi.e = 1; |
| 398 | rdbi.ti = 0; |
| 399 | rdbi.cv = 0; |
| 400 | tlli = 0; |
| 401 | offs = 0; |
| 402 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 403 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 404 | OSMO_ASSERT(num_chunks == 1); |
| 405 | OSMO_ASSERT(tlli == 0); |
| 406 | OSMO_ASSERT(chunks[0].offset == 0); |
| 407 | OSMO_ASSERT(chunks[0].length == 28); |
| 408 | OSMO_ASSERT(chunks[0].is_complete); |
| 409 | |
| 410 | /* CS-1, TLLI, last block, single chunk until the end of the block */ |
| 411 | cs = GprsCodingScheme::CS1; |
| 412 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 413 | rdbi.e = 1; |
| 414 | rdbi.ti = 1; |
| 415 | rdbi.cv = 0; |
| 416 | tlli = 0; |
| 417 | tlli2 = 0xffeeddcc; |
| 418 | offs = 0; |
| 419 | data[offs++] = tlli2 >> 24; |
| 420 | data[offs++] = tlli2 >> 16; |
| 421 | data[offs++] = tlli2 >> 8; |
| 422 | data[offs++] = tlli2 >> 0; |
| 423 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 424 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 425 | OSMO_ASSERT(num_chunks == 1); |
| 426 | OSMO_ASSERT(tlli == tlli2); |
| 427 | OSMO_ASSERT(chunks[0].offset == 4); |
| 428 | OSMO_ASSERT(chunks[0].length == 16); |
| 429 | OSMO_ASSERT(chunks[0].is_complete); |
| 430 | |
| 431 | /* Like TS 44.060, B.2, first RLC block but with TLLI */ |
| 432 | cs = GprsCodingScheme::CS1; |
| 433 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 434 | rdbi.e = 0; |
| 435 | rdbi.ti = 1; |
| 436 | rdbi.cv = 15; |
| 437 | tlli = 0; |
| 438 | tlli2 = 0xffeeddbb; |
| 439 | offs = 0; |
| 440 | data[offs++] = (0 << 2) | (0 << 1) | (1 << 0); |
| 441 | data[offs++] = tlli2 >> 24; |
| 442 | data[offs++] = tlli2 >> 16; |
| 443 | data[offs++] = tlli2 >> 8; |
| 444 | data[offs++] = tlli2 >> 0; |
| 445 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 446 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 447 | OSMO_ASSERT(num_chunks == 1); |
| 448 | OSMO_ASSERT(tlli == tlli2); |
| 449 | OSMO_ASSERT(chunks[0].offset == 5); |
| 450 | OSMO_ASSERT(chunks[0].length == 15); |
| 451 | OSMO_ASSERT(!chunks[0].is_complete); |
| 452 | |
| 453 | /* Like TS 44.060, B.8.1 but with TLLI */ |
| 454 | cs = GprsCodingScheme::MCS4; |
| 455 | rdbi.data_len = cs.maxDataBlockBytes(); |
| 456 | rdbi.e = 0; |
| 457 | rdbi.ti = 1; |
| 458 | rdbi.cv = 15; |
| 459 | tlli = 0; |
| 460 | tlli2 = 0xffeeddaa; |
| 461 | offs = 0; |
| 462 | data[offs++] = (11 << 1) | (0 << 0); |
| 463 | data[offs++] = (26 << 1) | (1 << 0); |
| 464 | /* Little endian */ |
| 465 | data[offs++] = tlli2 >> 0; |
| 466 | data[offs++] = tlli2 >> 8; |
| 467 | data[offs++] = tlli2 >> 16; |
| 468 | data[offs++] = tlli2 >> 24; |
| 469 | num_chunks = Decoding::rlc_data_from_ul_data(&rdbi, cs, data, |
| 470 | chunks, ARRAY_SIZE(chunks), &tlli); |
| 471 | OSMO_ASSERT(num_chunks == 3); |
| 472 | OSMO_ASSERT(tlli == tlli2); |
| 473 | OSMO_ASSERT(chunks[0].offset == 6); |
| 474 | OSMO_ASSERT(chunks[0].length == 11); |
| 475 | OSMO_ASSERT(chunks[0].is_complete); |
| 476 | OSMO_ASSERT(chunks[1].offset == 17); |
| 477 | OSMO_ASSERT(chunks[1].length == 26); |
| 478 | OSMO_ASSERT(chunks[1].is_complete); |
| 479 | OSMO_ASSERT(chunks[2].offset == 43); |
| 480 | OSMO_ASSERT(chunks[2].length == 1); |
| 481 | OSMO_ASSERT(!chunks[2].is_complete); |
| 482 | |
| 483 | printf("=== end %s ===\n", __func__); |
| 484 | } |
| 485 | |
Jacob Erlbeck | f0e4039 | 2016-01-08 10:07:53 +0100 | [diff] [blame^] | 486 | static void test_rlc_unaligned_copy() |
| 487 | { |
| 488 | uint8_t bits[256]; |
| 489 | uint8_t saved_block[256]; |
| 490 | uint8_t test_block[256]; |
| 491 | uint8_t out_block[256]; |
| 492 | GprsCodingScheme::Scheme scheme; |
| 493 | int pattern; |
| 494 | volatile unsigned int block_idx, i; |
| 495 | |
| 496 | for (scheme = GprsCodingScheme::CS1; |
| 497 | scheme < GprsCodingScheme::NUM_SCHEMES; |
| 498 | scheme = GprsCodingScheme::Scheme(scheme + 1)) |
| 499 | { |
| 500 | GprsCodingScheme cs(scheme); |
| 501 | |
| 502 | for (pattern = 0; pattern <= 0xff; pattern += 0xff) { |
| 503 | /* prepare test block */ |
| 504 | test_block[0] = pattern ^ 0xff; |
| 505 | for (i = 1; i + 1 < cs.maxDataBlockBytes(); i++) |
| 506 | test_block[i] = i; |
| 507 | test_block[cs.maxDataBlockBytes()-1] = pattern ^ 0xff; |
| 508 | |
| 509 | for (block_idx = 0; |
| 510 | block_idx < cs.numDataBlocks(); |
| 511 | block_idx++) |
| 512 | { |
| 513 | struct gprs_rlc_data_info rlc; |
| 514 | gprs_rlc_data_info_init_dl(&rlc, cs); |
| 515 | |
| 516 | memset(bits, pattern, sizeof(bits)); |
| 517 | Decoding::rlc_copy_to_aligned_buffer( |
| 518 | &rlc, block_idx, bits, saved_block); |
| 519 | |
| 520 | fprintf(stderr, |
| 521 | "Test data block: %s\n", |
| 522 | osmo_hexdump(test_block, cs.maxDataBlockBytes())); |
| 523 | |
| 524 | Encoding::rlc_copy_from_aligned_buffer( |
| 525 | &rlc, block_idx, bits, test_block); |
| 526 | |
| 527 | fprintf(stderr, |
| 528 | "Encoded message block, %s, idx %d, " |
| 529 | "pattern %02x: %s\n", |
| 530 | rlc.cs.name(), block_idx, pattern, |
| 531 | osmo_hexdump(bits, cs.sizeDL())); |
| 532 | |
| 533 | Decoding::rlc_copy_to_aligned_buffer( |
| 534 | &rlc, block_idx, bits, out_block); |
| 535 | |
| 536 | fprintf(stderr, |
| 537 | "Out data block: %s\n", |
| 538 | osmo_hexdump(out_block, cs.maxDataBlockBytes())); |
| 539 | /* restore original bits */ |
| 540 | Encoding::rlc_copy_from_aligned_buffer( |
| 541 | &rlc, block_idx, bits, saved_block); |
| 542 | |
| 543 | OSMO_ASSERT(memcmp(test_block, out_block, |
| 544 | rlc.cs.maxDataBlockBytes()) == 0); |
| 545 | |
| 546 | for (i = 0; i < sizeof(bits); i++) |
| 547 | OSMO_ASSERT(bits[i] == pattern); |
| 548 | } |
| 549 | } |
| 550 | } |
| 551 | } |
| 552 | |
Jacob Erlbeck | 6e9f9c2 | 2016-01-11 11:15:45 +0100 | [diff] [blame] | 553 | static void test_rlc_info_init() |
| 554 | { |
| 555 | struct gprs_rlc_data_info rlc; |
| 556 | |
| 557 | printf("=== start %s ===\n", __func__); |
| 558 | gprs_rlc_data_info_init_dl(&rlc, GprsCodingScheme(GprsCodingScheme::CS1)); |
| 559 | OSMO_ASSERT(rlc.num_data_blocks == 1); |
| 560 | OSMO_ASSERT(rlc.data_offs_bits[0] == 24); |
| 561 | OSMO_ASSERT(rlc.block_info[0].data_len == 20); |
| 562 | |
| 563 | gprs_rlc_data_info_init_dl(&rlc, GprsCodingScheme(GprsCodingScheme::MCS1)); |
| 564 | OSMO_ASSERT(rlc.num_data_blocks == 1); |
| 565 | OSMO_ASSERT(rlc.data_offs_bits[0] == 33); |
| 566 | OSMO_ASSERT(rlc.block_info[0].data_len == 22); |
| 567 | |
| 568 | printf("=== end %s ===\n", __func__); |
| 569 | } |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 570 | |
| 571 | static const struct log_info_cat default_categories[] = { |
| 572 | {"DCSN1", "\033[1;31m", "Concrete Syntax Notation One (CSN1)", LOGL_INFO, 0}, |
| 573 | {"DL1IF", "\033[1;32m", "GPRS PCU L1 interface (L1IF)", LOGL_DEBUG, 1}, |
| 574 | {"DRLCMAC", "\033[0;33m", "GPRS RLC/MAC layer (RLCMAC)", LOGL_DEBUG, 1}, |
| 575 | {"DRLCMACDATA", "\033[0;33m", "GPRS RLC/MAC layer Data (RLCMAC)", LOGL_DEBUG, 1}, |
| 576 | {"DRLCMACDL", "\033[1;33m", "GPRS RLC/MAC layer Downlink (RLCMAC)", LOGL_DEBUG, 1}, |
| 577 | {"DRLCMACUL", "\033[1;36m", "GPRS RLC/MAC layer Uplink (RLCMAC)", LOGL_DEBUG, 1}, |
| 578 | {"DRLCMACSCHED", "\033[0;36m", "GPRS RLC/MAC layer Scheduling (RLCMAC)", LOGL_DEBUG, 1}, |
| 579 | {"DRLCMACMEAS", "\033[1;31m", "GPRS RLC/MAC layer Measurements (RLCMAC)", LOGL_INFO, 1}, |
| 580 | {"DNS","\033[1;34m", "GPRS Network Service Protocol (NS)", LOGL_INFO , 1}, |
| 581 | {"DBSSGP","\033[1;34m", "GPRS BSS Gateway Protocol (BSSGP)", LOGL_INFO , 1}, |
| 582 | {"DPCU", "\033[1;35m", "GPRS Packet Control Unit (PCU)", LOGL_NOTICE, 1}, |
| 583 | }; |
| 584 | |
| 585 | static int filter_fn(const struct log_context *ctx, |
| 586 | struct log_target *tar) |
| 587 | { |
| 588 | return 1; |
| 589 | } |
| 590 | |
| 591 | const struct log_info debug_log_info = { |
| 592 | filter_fn, |
| 593 | (struct log_info_cat*)default_categories, |
| 594 | ARRAY_SIZE(default_categories), |
| 595 | }; |
| 596 | |
| 597 | int main(int argc, char **argv) |
| 598 | { |
| 599 | struct vty_app_info pcu_vty_info = {0}; |
| 600 | |
| 601 | tall_pcu_ctx = talloc_named_const(NULL, 1, "EdgeTest context"); |
| 602 | if (!tall_pcu_ctx) |
| 603 | abort(); |
| 604 | |
| 605 | msgb_set_talloc_ctx(tall_pcu_ctx); |
| 606 | osmo_init_logging(&debug_log_info); |
| 607 | log_set_use_color(osmo_stderr_target, 0); |
| 608 | log_set_print_filename(osmo_stderr_target, 0); |
| 609 | |
| 610 | vty_init(&pcu_vty_info); |
| 611 | pcu_vty_init(&debug_log_info); |
| 612 | |
| 613 | test_coding_scheme(); |
Jacob Erlbeck | 6e9f9c2 | 2016-01-11 11:15:45 +0100 | [diff] [blame] | 614 | test_rlc_info_init(); |
Jacob Erlbeck | 38f1869 | 2016-02-01 10:08:00 +0100 | [diff] [blame] | 615 | test_rlc_unit_decoder(); |
Jacob Erlbeck | f0e4039 | 2016-01-08 10:07:53 +0100 | [diff] [blame^] | 616 | test_rlc_unaligned_copy(); |
Jacob Erlbeck | d0222cf | 2015-12-07 12:23:35 +0100 | [diff] [blame] | 617 | |
| 618 | if (getenv("TALLOC_REPORT_FULL")) |
| 619 | talloc_report_full(tall_pcu_ctx, stderr); |
| 620 | return EXIT_SUCCESS; |
| 621 | } |
| 622 | |
| 623 | /* |
| 624 | * stubs that should not be reached |
| 625 | */ |
| 626 | extern "C" { |
| 627 | void l1if_pdch_req() { abort(); } |
| 628 | void l1if_connect_pdch() { abort(); } |
| 629 | void l1if_close_pdch() { abort(); } |
| 630 | void l1if_open_pdch() { abort(); } |
| 631 | } |