Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) 2020 by sysmocom s.f.m.c. GmbH <info@sysmocom.de> |
| 3 | * All Rights Reserved |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU Affero General Public License as published by |
| 7 | * the Free Software Foundation; either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Affero General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | * |
| 18 | */ |
| 19 | |
| 20 | #include <stdio.h> |
| 21 | #include <stdlib.h> |
| 22 | #include <inttypes.h> |
| 23 | |
| 24 | #include <osmocom/core/application.h> |
| 25 | #include <osmocom/core/utils.h> |
| 26 | #include <osmocom/gsm/protocol/gsm_12_21.h> |
| 27 | #include <osmocom/gsm/gsm23003.h> |
| 28 | |
| 29 | #include <osmocom/bsc/gsm_data.h> |
| 30 | #include <osmocom/bsc/bts.h> |
| 31 | #include <osmocom/bsc/abis_nm.h> |
| 32 | #include <osmocom/bsc/debug.h> |
| 33 | |
| 34 | static void clock_debug(char* str) |
| 35 | { |
| 36 | struct timespec ts; |
| 37 | struct timeval tv; |
| 38 | osmo_clock_gettime(CLOCK_MONOTONIC, &ts); |
| 39 | osmo_gettimeofday(&tv, NULL); |
| 40 | fprintf(stderr, "sys={%lu.%06lu}: %s\n", |
| 41 | tv.tv_sec, tv.tv_usec, str); |
| 42 | } |
| 43 | |
| 44 | #define bts_init(net) _bts_init(net, __func__) |
| 45 | static inline struct gsm_bts *_bts_init(struct gsm_network *net, const char *msg) |
| 46 | { |
| 47 | struct gsm_bts *bts = gsm_bts_alloc(net, 0); |
| 48 | if (!bts) { |
| 49 | fprintf(stderr, "BTS allocation failure in %s()\n", msg); |
| 50 | exit(1); |
| 51 | } |
| 52 | fprintf(stderr, "BTS allocation OK in %s()\n", msg); |
| 53 | |
| 54 | bts->network = net; |
| 55 | |
| 56 | return bts; |
| 57 | } |
| 58 | |
| 59 | #define bts_del(bts) _bts_del(bts, __func__) |
| 60 | static inline void _bts_del(struct gsm_bts *bts, const char *msg) |
| 61 | { |
| 62 | osmo_stat_item_group_free(bts->bts_statg); |
| 63 | rate_ctr_group_free(bts->bts_ctrs); |
| 64 | if (osmo_timer_pending(&bts->acc_mgr.rotate_timer)) |
| 65 | osmo_timer_del(&bts->acc_mgr.rotate_timer); |
Pau Espin Pedrol | 1e5e700 | 2020-07-23 19:13:56 +0200 | [diff] [blame] | 66 | if (osmo_timer_pending(&bts->acc_ramp.step_timer)) |
| 67 | osmo_timer_del(&bts->acc_ramp.step_timer); |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 68 | /* no need to llist_del(&bts->list), we never registered the bts there. */ |
| 69 | talloc_free(bts); |
| 70 | fprintf(stderr, "BTS deallocated OK in %s()\n", msg); |
| 71 | } |
| 72 | |
| 73 | static void do_allowed_len_adm_loop(struct acc_mgr *acc_mgr, uint8_t jump) |
| 74 | { |
| 75 | int i; |
| 76 | fprintf(stderr, "%s(%" PRIu8 ")\n", __func__, jump); |
| 77 | /* Test decreasing the administrative (VTY) max subset size */ |
| 78 | for (i = 10; i >= 0; i -= jump) { |
| 79 | acc_mgr_set_len_allowed_adm(acc_mgr, i); |
| 80 | } |
| 81 | if (i != 0) |
| 82 | acc_mgr_set_len_allowed_adm(acc_mgr, 0); |
| 83 | /* Test increasing the administrative (VTY) max subset size */ |
| 84 | for (i = 0; i <= 10; i += jump) { |
| 85 | acc_mgr_set_len_allowed_adm(acc_mgr, i); |
| 86 | } |
| 87 | if (i != 10) |
| 88 | acc_mgr_set_len_allowed_adm(acc_mgr, 10); |
| 89 | } |
| 90 | |
| 91 | static void do_allowed_len_ramp_loop(struct acc_mgr *acc_mgr, uint8_t jump) |
| 92 | { |
| 93 | int i; |
| 94 | fprintf(stderr, "%s(%" PRIu8 ")\n", __func__, jump); |
| 95 | /* Test decreasing the administrative (VTY) max subset size */ |
| 96 | for (i = 10; i >= 0; i -= jump) { |
| 97 | acc_mgr_set_len_allowed_ramp(acc_mgr, i); |
| 98 | } |
| 99 | if (i != 0) |
| 100 | acc_mgr_set_len_allowed_ramp(acc_mgr, 0); |
| 101 | /* Test increasing the administrative (VTY) max subset size */ |
| 102 | for (i = 0; i <= 10; i += jump) { |
| 103 | acc_mgr_set_len_allowed_ramp(acc_mgr, i); |
| 104 | } |
| 105 | if (i != 10) |
| 106 | acc_mgr_set_len_allowed_ramp(acc_mgr, 10); |
| 107 | } |
| 108 | |
| 109 | static void test_acc_mgr_no_ramp(struct gsm_network *net) |
| 110 | { |
| 111 | fprintf(stderr, "===%s===\n", __func__); |
| 112 | struct gsm_bts *bts = bts_init(net); |
| 113 | struct acc_mgr *acc_mgr = &bts->acc_mgr; |
| 114 | |
| 115 | /* Validate are all allowed by default after allocation: */ |
| 116 | OSMO_ASSERT(acc_mgr_get_len_allowed_adm(acc_mgr) == 10); |
| 117 | OSMO_ASSERT(acc_mgr_get_len_allowed_ramp(acc_mgr) == 10); |
| 118 | OSMO_ASSERT(acc_mgr->rotation_time_sec == ACC_MGR_QUANTUM_DEFAULT); |
| 119 | OSMO_ASSERT(acc_mgr->allowed_subset_mask == 0x3ff); |
| 120 | OSMO_ASSERT(acc_mgr->allowed_subset_mask_count == 10); |
| 121 | OSMO_ASSERT(acc_mgr->allowed_permanent_count == 10); |
| 122 | |
| 123 | |
| 124 | do_allowed_len_adm_loop(acc_mgr, 1); |
| 125 | do_allowed_len_adm_loop(acc_mgr, 4); |
| 126 | |
| 127 | /* Now permantenly barr some ACC */ |
| 128 | fprintf(stderr, "*** Barring some ACCs ***\n"); |
| 129 | bts->si_common.rach_control.t2 |= 0x02; |
| 130 | bts->si_common.rach_control.t3 |= 0xa5; |
| 131 | acc_mgr_perm_subset_changed(acc_mgr, &bts->si_common.rach_control); |
| 132 | |
| 133 | do_allowed_len_adm_loop(acc_mgr, 1); |
| 134 | do_allowed_len_adm_loop(acc_mgr, 4); |
| 135 | |
| 136 | fprintf(stderr, "*** Barring ALL ACCs ***\n"); |
| 137 | bts->si_common.rach_control.t2 |= 0x03; |
| 138 | bts->si_common.rach_control.t3 |= 0xff; |
| 139 | acc_mgr_perm_subset_changed(acc_mgr, &bts->si_common.rach_control); |
| 140 | |
| 141 | fprintf(stderr, "*** Barring zero ACCs ***\n"); |
| 142 | bts->si_common.rach_control.t2 = 0xfc; |
| 143 | bts->si_common.rach_control.t3 = 0x00; |
| 144 | acc_mgr_perm_subset_changed(acc_mgr, &bts->si_common.rach_control); |
| 145 | |
| 146 | bts_del(bts); |
| 147 | } |
| 148 | |
| 149 | static void test_acc_mgr_manual_ramp(struct gsm_network *net) |
| 150 | { |
| 151 | fprintf(stderr, "===%s===\n", __func__); |
| 152 | struct gsm_bts *bts = bts_init(net); |
| 153 | struct acc_mgr *acc_mgr = &bts->acc_mgr; |
| 154 | |
| 155 | /* Validate are all allowed by default after allocation: */ |
| 156 | OSMO_ASSERT(acc_mgr_get_len_allowed_adm(acc_mgr) == 10); |
| 157 | OSMO_ASSERT(acc_mgr_get_len_allowed_ramp(acc_mgr) == 10); |
| 158 | OSMO_ASSERT(acc_mgr->rotation_time_sec == ACC_MGR_QUANTUM_DEFAULT); |
| 159 | OSMO_ASSERT(acc_mgr->allowed_subset_mask == 0x3ff); |
| 160 | OSMO_ASSERT(acc_mgr->allowed_subset_mask_count == 10); |
| 161 | OSMO_ASSERT(acc_mgr->allowed_permanent_count == 10); |
| 162 | |
| 163 | do_allowed_len_ramp_loop(acc_mgr, 1); |
| 164 | do_allowed_len_ramp_loop(acc_mgr, 4); |
| 165 | |
| 166 | /* Now permantenly barr some ACC */ |
| 167 | fprintf(stderr, "*** Barring some ACCs ***\n"); |
| 168 | bts->si_common.rach_control.t2 |= 0x01; |
| 169 | bts->si_common.rach_control.t3 |= 0xb3; |
| 170 | acc_mgr_perm_subset_changed(acc_mgr, &bts->si_common.rach_control); |
| 171 | |
| 172 | do_allowed_len_ramp_loop(acc_mgr, 1); |
| 173 | do_allowed_len_ramp_loop(acc_mgr, 4); |
| 174 | |
| 175 | fprintf(stderr, "*** Barring ALL ACCs ***\n"); |
| 176 | bts->si_common.rach_control.t2 |= 0x03; |
| 177 | bts->si_common.rach_control.t3 |= 0xff; |
| 178 | acc_mgr_perm_subset_changed(acc_mgr, &bts->si_common.rach_control); |
| 179 | do_allowed_len_ramp_loop(acc_mgr, 1); |
| 180 | do_allowed_len_ramp_loop(acc_mgr, 4); |
| 181 | |
| 182 | fprintf(stderr, "*** Barring zero ACCs ***\n"); |
| 183 | bts->si_common.rach_control.t2 = 0xfc; |
| 184 | bts->si_common.rach_control.t3 = 0x00; |
| 185 | acc_mgr_perm_subset_changed(acc_mgr, &bts->si_common.rach_control); |
| 186 | do_allowed_len_ramp_loop(acc_mgr, 1); |
| 187 | do_allowed_len_ramp_loop(acc_mgr, 4); |
| 188 | |
| 189 | fprintf(stderr, "*** Barring some ACCs + adm len 4 ***\n"); |
| 190 | acc_mgr_set_len_allowed_adm(acc_mgr, 4); |
| 191 | bts->si_common.rach_control.t2 = 0xfd; |
| 192 | bts->si_common.rach_control.t3 = 0xb3; |
| 193 | acc_mgr_perm_subset_changed(acc_mgr, &bts->si_common.rach_control); |
| 194 | do_allowed_len_ramp_loop(acc_mgr, 1); |
| 195 | do_allowed_len_ramp_loop(acc_mgr, 4); |
| 196 | |
| 197 | bts_del(bts); |
| 198 | } |
| 199 | |
| 200 | static void test_acc_mgr_rotate(struct gsm_network *net) |
| 201 | { |
| 202 | fprintf(stderr, "===%s===\n", __func__); |
| 203 | int i; |
| 204 | struct gsm_bts *bts = bts_init(net); |
| 205 | struct acc_mgr *acc_mgr = &bts->acc_mgr; |
| 206 | |
| 207 | osmo_gettimeofday_override_time = (struct timeval) {0, 0}; |
| 208 | |
| 209 | /* Validate are all allowed by default after allocation: */ |
| 210 | OSMO_ASSERT(acc_mgr_get_len_allowed_adm(acc_mgr) == 10); |
| 211 | OSMO_ASSERT(acc_mgr_get_len_allowed_ramp(acc_mgr) == 10); |
| 212 | OSMO_ASSERT(acc_mgr->rotation_time_sec == ACC_MGR_QUANTUM_DEFAULT); |
| 213 | OSMO_ASSERT(acc_mgr->allowed_subset_mask == 0x3ff); |
| 214 | OSMO_ASSERT(acc_mgr->allowed_subset_mask_count == 10); |
| 215 | OSMO_ASSERT(acc_mgr->allowed_permanent_count == 10); |
| 216 | |
| 217 | /* Test that rotation won't go over permanently barred ACC*/ |
| 218 | fprintf(stderr, "*** Barring one ACC ***\n"); |
| 219 | bts->si_common.rach_control.t2 |= 0x02; |
| 220 | acc_mgr_perm_subset_changed(acc_mgr, &bts->si_common.rach_control); |
| 221 | |
| 222 | |
| 223 | acc_mgr_set_rotation_time(acc_mgr, 2); |
| 224 | acc_mgr_set_len_allowed_adm(acc_mgr, 4); |
| 225 | |
| 226 | for (i = 0; i < 20; i++) { |
| 227 | osmo_gettimeofday_override_time.tv_sec += 2; |
| 228 | clock_debug("select()"); |
| 229 | osmo_select_main(0); |
| 230 | } |
| 231 | |
| 232 | bts_del(bts); |
| 233 | } |
| 234 | |
Pau Espin Pedrol | 1e5e700 | 2020-07-23 19:13:56 +0200 | [diff] [blame] | 235 | static void test_acc_ramp(struct gsm_network *net) |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 236 | { |
| 237 | fprintf(stderr, "===%s===\n", __func__); |
| 238 | int i; |
| 239 | struct gsm_bts *bts = bts_init(net); |
| 240 | struct acc_mgr *acc_mgr = &bts->acc_mgr; |
| 241 | struct acc_ramp *acc_ramp = &bts->acc_ramp; |
| 242 | |
| 243 | /* Validate are all allowed by default after allocation: */ |
| 244 | OSMO_ASSERT(acc_ramp_is_enabled(acc_ramp) == false); |
| 245 | OSMO_ASSERT(acc_ramp_get_step_size(acc_ramp) == ACC_RAMP_STEP_SIZE_DEFAULT); |
| 246 | OSMO_ASSERT(acc_ramp_get_step_interval(acc_ramp) == ACC_RAMP_STEP_INTERVAL_MIN); |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 247 | |
| 248 | /* Set super high rotation time so it doesn't interfer here: */ |
| 249 | acc_mgr_set_rotation_time(acc_mgr, 5000); |
| 250 | |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 251 | OSMO_ASSERT(acc_ramp_set_step_interval(acc_ramp, 1) == -ERANGE); |
| 252 | OSMO_ASSERT(acc_ramp_set_step_interval(acc_ramp, 50) == 0); |
Pau Espin Pedrol | 1e5e700 | 2020-07-23 19:13:56 +0200 | [diff] [blame] | 253 | OSMO_ASSERT(acc_ramp_set_chan_load_thresholds(acc_ramp, 100, 100) == 0); |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 254 | acc_ramp_set_step_size(acc_ramp, 1); |
| 255 | acc_ramp_set_enabled(acc_ramp, true); |
| 256 | |
| 257 | osmo_gettimeofday_override_time = (struct timeval) {0, 0}; |
| 258 | acc_ramp_trigger(acc_ramp); |
| 259 | |
| 260 | for (i = 0; i < 9; i++) { |
| 261 | osmo_gettimeofday_override_time.tv_sec += 50; |
| 262 | clock_debug("select()"); |
| 263 | osmo_select_main(0); |
| 264 | } |
| 265 | |
| 266 | bts_del(bts); |
| 267 | } |
| 268 | |
Pau Espin Pedrol | 1e5e700 | 2020-07-23 19:13:56 +0200 | [diff] [blame] | 269 | static void test_acc_ramp2(struct gsm_network *net) |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 270 | { |
| 271 | fprintf(stderr, "===%s===\n", __func__); |
| 272 | int i; |
| 273 | struct gsm_bts *bts = bts_init(net); |
| 274 | struct acc_mgr *acc_mgr = &bts->acc_mgr; |
| 275 | struct acc_ramp *acc_ramp = &bts->acc_ramp; |
| 276 | |
| 277 | /* Validate are all allowed by default after allocation: */ |
| 278 | OSMO_ASSERT(acc_ramp_is_enabled(acc_ramp) == false); |
| 279 | OSMO_ASSERT(acc_ramp_get_step_size(acc_ramp) == ACC_RAMP_STEP_SIZE_DEFAULT); |
| 280 | OSMO_ASSERT(acc_ramp_get_step_interval(acc_ramp) == ACC_RAMP_STEP_INTERVAL_MIN); |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 281 | |
| 282 | /* Set super high rotation time so it doesn't interfer here: */ |
| 283 | acc_mgr_set_rotation_time(acc_mgr, 5000); |
| 284 | /* Set adm len to test that ramping won't go over it */ |
| 285 | acc_mgr_set_len_allowed_adm(acc_mgr, 7); |
| 286 | |
| 287 | acc_ramp_set_step_size(acc_ramp, 3); |
| 288 | acc_ramp_set_enabled(acc_ramp, true); |
| 289 | |
| 290 | osmo_gettimeofday_override_time = (struct timeval) {0, 0}; |
| 291 | acc_ramp_trigger(acc_ramp); |
| 292 | |
| 293 | for (i = 0; i < 3; i++) { |
| 294 | osmo_gettimeofday_override_time.tv_sec += ACC_RAMP_STEP_INTERVAL_MIN; |
| 295 | clock_debug("select()"); |
| 296 | osmo_select_main(0); |
| 297 | } |
| 298 | |
| 299 | bts_del(bts); |
| 300 | } |
| 301 | |
Pau Espin Pedrol | 1e5e700 | 2020-07-23 19:13:56 +0200 | [diff] [blame] | 302 | static void test_acc_ramp3(struct gsm_network *net) |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 303 | { |
| 304 | fprintf(stderr, "===%s===\n", __func__); |
| 305 | int i; |
| 306 | struct gsm_bts *bts = bts_init(net); |
| 307 | struct acc_mgr *acc_mgr = &bts->acc_mgr; |
| 308 | struct acc_ramp *acc_ramp = &bts->acc_ramp; |
| 309 | |
| 310 | /* Validate are all allowed by default after allocation: */ |
| 311 | OSMO_ASSERT(acc_ramp_is_enabled(acc_ramp) == false); |
| 312 | OSMO_ASSERT(acc_ramp_get_step_size(acc_ramp) == ACC_RAMP_STEP_SIZE_DEFAULT); |
| 313 | OSMO_ASSERT(acc_ramp_get_step_interval(acc_ramp) == ACC_RAMP_STEP_INTERVAL_MIN); |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 314 | |
| 315 | /* Set super high rotation time so it doesn't interfer here: */ |
| 316 | acc_mgr_set_rotation_time(acc_mgr, 5000); |
| 317 | /* Test that ramping won't go over permanently barred ACC*/ |
| 318 | fprintf(stderr, "*** Barring some ACCs ***\n"); |
| 319 | bts->si_common.rach_control.t2 |= 0x02; |
| 320 | bts->si_common.rach_control.t3 |= 0xa5; |
| 321 | acc_mgr_perm_subset_changed(acc_mgr, &bts->si_common.rach_control); |
| 322 | |
| 323 | acc_ramp_set_step_size(acc_ramp, 1); |
| 324 | acc_ramp_set_enabled(acc_ramp, true); |
| 325 | |
| 326 | osmo_gettimeofday_override_time = (struct timeval) {0, 0}; |
| 327 | acc_ramp_trigger(acc_ramp); |
| 328 | |
| 329 | for (i = 0; i < 9; i++) { |
| 330 | osmo_gettimeofday_override_time.tv_sec += ACC_RAMP_STEP_INTERVAL_MIN; |
| 331 | clock_debug("select()"); |
| 332 | osmo_select_main(0); |
| 333 | } |
| 334 | |
| 335 | bts_del(bts); |
| 336 | } |
| 337 | |
Pau Espin Pedrol | 1e5e700 | 2020-07-23 19:13:56 +0200 | [diff] [blame] | 338 | static void test_acc_ramp_up_rotate(struct gsm_network *net, unsigned int chan_load, unsigned int low_threshold, unsigned int up_threshold) |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 339 | { |
Pau Espin Pedrol | 1e5e700 | 2020-07-23 19:13:56 +0200 | [diff] [blame] | 340 | fprintf(stderr, "===%s(%u, %u, %u)===\n", |
| 341 | __func__, chan_load, low_threshold, up_threshold); |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 342 | struct gsm_bts *bts = bts_init(net); |
| 343 | struct acc_mgr *acc_mgr = &bts->acc_mgr; |
| 344 | struct acc_ramp *acc_ramp = &bts->acc_ramp; |
Pau Espin Pedrol | 1e5e700 | 2020-07-23 19:13:56 +0200 | [diff] [blame] | 345 | int n; |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 346 | |
| 347 | /* Validate are all allowed by default after allocation: */ |
| 348 | OSMO_ASSERT(acc_ramp_is_enabled(acc_ramp) == false); |
| 349 | OSMO_ASSERT(acc_ramp_get_step_size(acc_ramp) == ACC_RAMP_STEP_SIZE_DEFAULT); |
| 350 | OSMO_ASSERT(acc_ramp_get_step_interval(acc_ramp) == ACC_RAMP_STEP_INTERVAL_MIN); |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 351 | |
| 352 | OSMO_ASSERT(acc_ramp_set_step_interval(acc_ramp, 250) == 0); |
| 353 | acc_mgr_set_rotation_time(acc_mgr, 100); |
| 354 | /* Test that ramping + rotation won't go over permanently barred ACC*/ |
| 355 | fprintf(stderr, "*** Barring one ACC ***\n"); |
| 356 | bts->si_common.rach_control.t2 |= 0x02; |
| 357 | acc_mgr_perm_subset_changed(acc_mgr, &bts->si_common.rach_control); |
| 358 | |
Pau Espin Pedrol | 1e5e700 | 2020-07-23 19:13:56 +0200 | [diff] [blame] | 359 | OSMO_ASSERT(acc_ramp_set_step_size(acc_ramp, 1) == 0); |
| 360 | OSMO_ASSERT(acc_ramp_set_chan_load_thresholds(acc_ramp, low_threshold, up_threshold) == 0); |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 361 | acc_ramp_set_enabled(acc_ramp, true); |
| 362 | |
Pau Espin Pedrol | 1e5e700 | 2020-07-23 19:13:56 +0200 | [diff] [blame] | 363 | bts->chan_load_avg = chan_load; /*set % channel load */ |
| 364 | |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 365 | osmo_gettimeofday_override_time = (struct timeval) {0, 0}; |
| 366 | acc_ramp_trigger(acc_ramp); |
| 367 | |
Pau Espin Pedrol | 1e5e700 | 2020-07-23 19:13:56 +0200 | [diff] [blame] | 368 | n = 5; |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 369 | while (true) { |
Pau Espin Pedrol | 1e5e700 | 2020-07-23 19:13:56 +0200 | [diff] [blame] | 370 | OSMO_ASSERT(osmo_timer_pending(&acc_ramp->step_timer)); |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 371 | if (osmo_timer_pending(&acc_mgr->rotate_timer)) { |
| 372 | if ((osmo_gettimeofday_override_time.tv_sec + 50) % 250 == 0) |
| 373 | osmo_gettimeofday_override_time.tv_sec += 50; |
| 374 | else |
| 375 | osmo_gettimeofday_override_time.tv_sec += 100; |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 376 | } else { |
| 377 | /* Once ramping is done, adm level is big enough and hence |
Pau Espin Pedrol | 1e5e700 | 2020-07-23 19:13:56 +0200 | [diff] [blame] | 378 | * rotation is not needed and will be disabled. Run |
| 379 | * ramping a bit more and we are then done */ |
| 380 | osmo_gettimeofday_override_time.tv_sec -= osmo_gettimeofday_override_time.tv_sec % 250; |
| 381 | osmo_gettimeofday_override_time.tv_sec += 250; |
| 382 | if (n-- == 0) |
| 383 | break; |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 384 | } |
| 385 | clock_debug("select()"); |
| 386 | osmo_select_main(0); |
| 387 | } |
| 388 | |
| 389 | bts_del(bts); |
| 390 | } |
| 391 | |
Pau Espin Pedrol | 1e5e700 | 2020-07-23 19:13:56 +0200 | [diff] [blame] | 392 | static void test_acc_ramp_updown_rotate(struct gsm_network *net, unsigned int low_threshold, unsigned int up_threshold, |
| 393 | unsigned int min_load, unsigned int max_load, unsigned load_step) |
| 394 | { |
| 395 | fprintf(stderr, "===%s(%u, %u, %u, %u, %u)===\n", |
| 396 | __func__, low_threshold, up_threshold, |
| 397 | min_load, max_load, load_step); |
| 398 | struct gsm_bts *bts = bts_init(net); |
| 399 | struct acc_mgr *acc_mgr = &bts->acc_mgr; |
| 400 | struct acc_ramp *acc_ramp = &bts->acc_ramp; |
| 401 | int i; |
| 402 | char buf[256]; |
| 403 | bool up = true; |
| 404 | |
| 405 | /* Validate are all allowed by default after allocation: */ |
| 406 | OSMO_ASSERT(acc_ramp_is_enabled(acc_ramp) == false); |
| 407 | OSMO_ASSERT(acc_ramp_get_step_size(acc_ramp) == ACC_RAMP_STEP_SIZE_DEFAULT); |
| 408 | OSMO_ASSERT(acc_ramp_get_step_interval(acc_ramp) == ACC_RAMP_STEP_INTERVAL_MIN); |
| 409 | |
| 410 | OSMO_ASSERT(acc_ramp_set_step_interval(acc_ramp, 250) == 0); |
| 411 | acc_mgr_set_rotation_time(acc_mgr, 100); |
| 412 | /* Test that ramping + rotation won't go over permanently barred ACC*/ |
| 413 | fprintf(stderr, "*** Barring one ACC ***\n"); |
| 414 | bts->si_common.rach_control.t2 |= 0x02; |
| 415 | acc_mgr_perm_subset_changed(acc_mgr, &bts->si_common.rach_control); |
| 416 | |
| 417 | OSMO_ASSERT(acc_ramp_set_step_size(acc_ramp, 1) == 0); |
| 418 | OSMO_ASSERT(acc_ramp_set_chan_load_thresholds(acc_ramp, low_threshold, up_threshold) == 0); |
| 419 | acc_ramp_set_enabled(acc_ramp, true); |
| 420 | |
| 421 | bts->chan_load_avg = min_load; /* set % channel load */ |
| 422 | |
| 423 | osmo_gettimeofday_override_time = (struct timeval) {0, 0}; |
| 424 | acc_ramp_trigger(acc_ramp); |
| 425 | |
| 426 | /* 50 ev loop iterations */ |
| 427 | for (i = 0; i < 50; i++) { |
| 428 | OSMO_ASSERT(osmo_timer_pending(&acc_ramp->step_timer)); |
| 429 | if (osmo_timer_pending(&acc_mgr->rotate_timer)) { |
| 430 | if ((osmo_gettimeofday_override_time.tv_sec + 50) % 250 == 0) |
| 431 | osmo_gettimeofday_override_time.tv_sec += 50; |
| 432 | else |
| 433 | osmo_gettimeofday_override_time.tv_sec += 100; |
| 434 | } else { |
| 435 | /* Once ramping is done, adm level is big enough and hence |
| 436 | * rotation is not needed and will be disabled. */ |
| 437 | osmo_gettimeofday_override_time.tv_sec -= osmo_gettimeofday_override_time.tv_sec % 250; |
| 438 | osmo_gettimeofday_override_time.tv_sec += 250; |
| 439 | } |
| 440 | snprintf(buf, sizeof(buf), "select(%d): chan_load_avg=%" PRIu8, i, bts->chan_load_avg); |
| 441 | clock_debug(buf); |
| 442 | osmo_select_main(0); |
| 443 | |
| 444 | if (up) { |
| 445 | bts->chan_load_avg += load_step; |
| 446 | if (bts->chan_load_avg >= max_load) |
| 447 | up = false; |
| 448 | if (bts->chan_load_avg > max_load) |
| 449 | bts->chan_load_avg = max_load; |
| 450 | } else { |
| 451 | bts->chan_load_avg = (uint8_t)OSMO_MAX((int)(bts->chan_load_avg - load_step), 0); |
| 452 | if (bts->chan_load_avg <= min_load) |
| 453 | up = true; |
| 454 | if (bts->chan_load_avg < min_load) |
| 455 | bts->chan_load_avg = max_load; |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | bts_del(bts); |
| 460 | } |
| 461 | |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 462 | static const struct log_info_cat log_categories[] = { |
| 463 | [DRSL] = { |
| 464 | .name = "DRSL", |
| 465 | .description = "A-bis Radio Signalling Link (RSL)", |
| 466 | .enabled = 1, .loglevel = LOGL_NOTICE, |
| 467 | }, |
| 468 | }; |
| 469 | |
| 470 | static const struct log_info log_info = { |
| 471 | .cat = log_categories, |
| 472 | .num_cat = ARRAY_SIZE(log_categories), |
| 473 | }; |
| 474 | |
| 475 | int main(int argc, char **argv) |
| 476 | { |
| 477 | struct gsm_network *net; |
| 478 | |
| 479 | osmo_gettimeofday_override = true; |
| 480 | osmo_gettimeofday_override_time = (struct timeval) {0, 0}; |
| 481 | |
| 482 | tall_bsc_ctx = talloc_named_const(NULL, 0, "gsm0408_test"); |
| 483 | osmo_init_logging2(tall_bsc_ctx, &log_info); |
| 484 | log_set_log_level(osmo_stderr_target, LOGL_INFO); |
| 485 | log_set_print_category_hex(osmo_stderr_target, false); |
| 486 | log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_NONE); |
| 487 | log_set_use_color(osmo_stderr_target, 0); |
| 488 | |
| 489 | net = gsm_network_init(tall_bsc_ctx); |
| 490 | if (!net) { |
| 491 | fprintf(stderr, "Network init failure.\n"); |
| 492 | return EXIT_FAILURE; |
| 493 | } |
| 494 | |
| 495 | test_acc_mgr_no_ramp(net); |
| 496 | test_acc_mgr_manual_ramp(net); |
| 497 | test_acc_mgr_rotate(net); |
Pau Espin Pedrol | 1e5e700 | 2020-07-23 19:13:56 +0200 | [diff] [blame] | 498 | test_acc_ramp(net); |
| 499 | test_acc_ramp2(net); |
| 500 | test_acc_ramp3(net); |
| 501 | test_acc_ramp_up_rotate(net, 0, 100, 100); |
| 502 | test_acc_ramp_up_rotate(net, 0, 20, 50); |
| 503 | test_acc_ramp_up_rotate(net, 70, 80, 90); |
| 504 | test_acc_ramp_updown_rotate(net, 80, 90, 0, 100, 15); |
| 505 | test_acc_ramp_updown_rotate(net, 30, 50, 10, 100, 15); |
| 506 | test_acc_ramp_updown_rotate(net, 50, 49, 0, 100, 10); |
| 507 | test_acc_ramp_updown_rotate(net, 30, 80, 30, 80, 5); |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 508 | |
| 509 | return EXIT_SUCCESS; |
| 510 | } |
| 511 | |
| 512 | /* Whenever ACC code changes the set of barred ACCs, gsm_bts_set_system_infos() |
| 513 | * is called which ends up calling pcu_info_update */ |
| 514 | void pcu_info_update(struct gsm_bts *bts) { |
| 515 | struct gsm48_rach_control rach_control = {0}; |
| 516 | |
| 517 | acc_mgr_apply_acc(&bts->acc_mgr, &rach_control); |
Pau Espin Pedrol | c7b85d3 | 2020-08-27 13:07:44 +0200 | [diff] [blame^] | 518 | fprintf(stderr, "%s(): t2=0x%02" PRIx8 " t3=0x%02" PRIx8 ", allowed:%s%s%s%s%s%s%s%s%s%s\n", |
| 519 | __func__, rach_control.t2, rach_control.t3, |
| 520 | rach_control.t3 & (1 << 0) ? "" : " 0", |
| 521 | rach_control.t3 & (1 << 1) ? "" : " 1", |
| 522 | rach_control.t3 & (1 << 2) ? "" : " 2", |
| 523 | rach_control.t3 & (1 << 3) ? "" : " 3", |
| 524 | rach_control.t3 & (1 << 4) ? "" : " 4", |
| 525 | rach_control.t3 & (1 << 5) ? "" : " 5", |
| 526 | rach_control.t3 & (1 << 6) ? "" : " 6", |
| 527 | rach_control.t3 & (1 << 7) ? "" : " 7", |
| 528 | rach_control.t2 & (1 << 0) ? "" : " 8", |
| 529 | rach_control.t2 & (1 << 1) ? "" : " 9" |
| 530 | ); |
Pau Espin Pedrol | deaa6fd | 2020-07-16 20:53:21 +0200 | [diff] [blame] | 531 | } |
| 532 | |
| 533 | |
| 534 | struct gsm_subscriber_connection *bsc_subscr_con_allocate(struct gsm_network *net) { |
| 535 | OSMO_ASSERT(0); |
| 536 | } |
| 537 | |
| 538 | bool on_gsm_ts_init(struct gsm_bts_trx_ts *ts) { return true; } |
| 539 | void ts_fsm_alloc(struct gsm_bts_trx_ts *ts) {} |
| 540 | int rsl_chan_ms_power_ctrl(struct gsm_lchan *lchan) { return 0; } |
| 541 | int rsl_sacch_filling(struct gsm_bts_trx *trx, uint8_t type, const uint8_t *data, int len) { return 0; } |
| 542 | int rsl_bcch_info(const struct gsm_bts_trx *trx, enum osmo_sysinfo_type si_type, const uint8_t *data, int len) |
| 543 | { return 0; } |
| 544 | int gsm_generate_si(struct gsm_bts *bts, enum osmo_sysinfo_type si_type) { return 0; } |