Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 1 | /* |
| 2 | * TbfTest.cpp |
| 3 | * |
| 4 | * Copyright (C) 2013 by Holger Hans Peter Freyther |
| 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 "bts.h" |
| 24 | #include "tbf.h" |
| 25 | #include "gprs_debug.h" |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 26 | #include "pcu_utils.h" |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 27 | #include "gprs_bssgp_pcu.h" |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 28 | #include "pcu_l1_if.h" |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 29 | |
| 30 | extern "C" { |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 31 | #include "pcu_vty.h" |
| 32 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 33 | #include <osmocom/core/application.h> |
| 34 | #include <osmocom/core/msgb.h> |
| 35 | #include <osmocom/core/talloc.h> |
| 36 | #include <osmocom/core/utils.h> |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 37 | #include <osmocom/vty/vty.h> |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 38 | } |
| 39 | |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 40 | #include <errno.h> |
| 41 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 42 | void *tall_pcu_ctx; |
| 43 | int16_t spoof_mnc = 0, spoof_mcc = 0; |
| 44 | |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 45 | static void check_tbf(gprs_rlcmac_tbf *tbf) |
| 46 | { |
| 47 | OSMO_ASSERT(tbf); |
Jacob Erlbeck | 04e72d3 | 2015-08-13 18:36:56 +0200 | [diff] [blame] | 48 | if (tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)) |
| 49 | OSMO_ASSERT(tbf->T == 3191 || tbf->T == 3193); |
| 50 | if (tbf->state_is(GPRS_RLCMAC_RELEASING)) |
| 51 | OSMO_ASSERT(tbf->T != 0); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 52 | } |
| 53 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 54 | /* |
| 55 | static unsigned inc_fn(fn) |
| 56 | { |
| 57 | unsigned next_fn; |
| 58 | |
| 59 | next_fn = fn + 4; |
| 60 | if ((block_nr % 3) == 2) |
| 61 | next_fn ++; |
| 62 | next_fn = next_fn % 2715648; |
| 63 | |
| 64 | return next_fn; |
| 65 | } |
| 66 | */ |
| 67 | |
Jacob Erlbeck | ac89a55 | 2015-06-29 14:18:46 +0200 | [diff] [blame] | 68 | static void test_tbf_base() |
| 69 | { |
| 70 | |
| 71 | printf("=== start %s ===\n", __func__); |
| 72 | |
| 73 | OSMO_ASSERT(GPRS_RLCMAC_DL_TBF == reverse(GPRS_RLCMAC_UL_TBF)); |
| 74 | OSMO_ASSERT(GPRS_RLCMAC_UL_TBF == reverse(GPRS_RLCMAC_DL_TBF)); |
| 75 | |
| 76 | printf("=== end %s ===\n", __func__); |
| 77 | } |
| 78 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 79 | static void test_tbf_tlli_update() |
| 80 | { |
| 81 | BTS the_bts; |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 82 | GprsMs *ms, *ms_new; |
| 83 | |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 84 | printf("=== start %s ===\n", __func__); |
| 85 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 86 | the_bts.bts_data()->alloc_algorithm = alloc_algorithm_a; |
| 87 | the_bts.bts_data()->trx[0].pdch[2].enable(); |
| 88 | the_bts.bts_data()->trx[0].pdch[3].enable(); |
| 89 | |
| 90 | /* |
| 91 | * Make a uplink and downlink allocation |
| 92 | */ |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 93 | gprs_rlcmac_tbf *dl_tbf = tbf_alloc_dl_tbf(the_bts.bts_data(), |
Jacob Erlbeck | 5879c64 | 2015-07-10 10:41:36 +0200 | [diff] [blame] | 94 | NULL, |
Jacob Erlbeck | 86b6f05 | 2015-11-27 15:17:34 +0100 | [diff] [blame] | 95 | 0, 0, 0, 0); |
Jacob Erlbeck | c6d4cee | 2015-06-29 13:03:46 +0200 | [diff] [blame] | 96 | OSMO_ASSERT(dl_tbf != NULL); |
Jacob Erlbeck | be0cbc1 | 2015-05-18 14:35:11 +0200 | [diff] [blame] | 97 | dl_tbf->update_ms(0x2342, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 98 | dl_tbf->set_ta(4); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 99 | |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 100 | gprs_rlcmac_tbf *ul_tbf = tbf_alloc_ul_tbf(the_bts.bts_data(), |
Jacob Erlbeck | 5879c64 | 2015-07-10 10:41:36 +0200 | [diff] [blame] | 101 | dl_tbf->ms(), |
Jacob Erlbeck | 86b6f05 | 2015-11-27 15:17:34 +0100 | [diff] [blame] | 102 | 0, 0, 0, 0); |
Jacob Erlbeck | c6d4cee | 2015-06-29 13:03:46 +0200 | [diff] [blame] | 103 | OSMO_ASSERT(ul_tbf != NULL); |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 104 | ul_tbf->update_ms(0x2342, GPRS_RLCMAC_UL_TBF); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 105 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 106 | ms = the_bts.ms_by_tlli(0x2342); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 107 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 108 | OSMO_ASSERT(ms != NULL); |
| 109 | OSMO_ASSERT(ms->dl_tbf() == dl_tbf); |
| 110 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 111 | |
| 112 | /* |
| 113 | * Now check.. that DL changes and that the timing advance |
| 114 | * has changed. |
| 115 | */ |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 116 | dl_tbf->update_ms(0x4232, GPRS_RLCMAC_DL_TBF); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 117 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 118 | /* It is still there, since the new TLLI has not been used for UL yet */ |
| 119 | ms_new = the_bts.ms_by_tlli(0x2342); |
| 120 | OSMO_ASSERT(ms == ms_new); |
| 121 | |
| 122 | ms_new = the_bts.ms_by_tlli(0x4232); |
| 123 | OSMO_ASSERT(ms == ms_new); |
| 124 | OSMO_ASSERT(ms->dl_tbf() == dl_tbf); |
| 125 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 126 | |
| 127 | /* Now use the new TLLI for UL */ |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 128 | ul_tbf->update_ms(0x4232, GPRS_RLCMAC_UL_TBF); |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 129 | ms_new = the_bts.ms_by_tlli(0x2342); |
| 130 | OSMO_ASSERT(ms_new == NULL); |
Holger Hans Peter Freyther | bc1626e | 2013-10-30 19:50:49 +0100 | [diff] [blame] | 131 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 132 | ms_new = the_bts.ms_by_tlli(0x4232); |
| 133 | OSMO_ASSERT(ms_new != NULL); |
| 134 | OSMO_ASSERT(ms_new->ta() == 4); |
| 135 | |
| 136 | OSMO_ASSERT(ul_tbf->ta() == 4); |
| 137 | OSMO_ASSERT(dl_tbf->ta() == 4); |
| 138 | |
| 139 | ul_tbf->set_ta(6); |
| 140 | |
| 141 | OSMO_ASSERT(ul_tbf->ta() == 6); |
| 142 | OSMO_ASSERT(dl_tbf->ta() == 6); |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 143 | |
| 144 | printf("=== end %s ===\n", __func__); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 145 | } |
| 146 | |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 147 | static uint8_t llc_data[200]; |
| 148 | |
| 149 | int pcu_sock_send(struct msgb *msg) |
| 150 | { |
| 151 | return 0; |
| 152 | } |
| 153 | |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 154 | static void setup_bts(BTS *the_bts, uint8_t ts_no, uint8_t cs = 1) |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 155 | { |
| 156 | gprs_rlcmac_bts *bts; |
| 157 | gprs_rlcmac_trx *trx; |
| 158 | |
| 159 | bts = the_bts->bts_data(); |
| 160 | bts->alloc_algorithm = alloc_algorithm_a; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 161 | bts->initial_cs_dl = cs; |
| 162 | bts->initial_cs_ul = cs; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 163 | trx = &bts->trx[0]; |
| 164 | |
| 165 | trx->pdch[ts_no].enable(); |
| 166 | } |
| 167 | |
| 168 | static gprs_rlcmac_dl_tbf *create_dl_tbf(BTS *the_bts, uint8_t ms_class, |
| 169 | uint8_t *trx_no_) |
| 170 | { |
| 171 | gprs_rlcmac_bts *bts; |
| 172 | int tfi; |
| 173 | uint8_t trx_no; |
| 174 | |
| 175 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 176 | |
| 177 | bts = the_bts->bts_data(); |
| 178 | |
| 179 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_DL_TBF, &trx_no, -1); |
| 180 | OSMO_ASSERT(tfi >= 0); |
Jacob Erlbeck | 86b6f05 | 2015-11-27 15:17:34 +0100 | [diff] [blame] | 181 | dl_tbf = tbf_alloc_dl_tbf(bts, NULL, trx_no, ms_class, 0, 1); |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 182 | check_tbf(dl_tbf); |
| 183 | |
| 184 | /* "Establish" the DL TBF */ |
| 185 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_SEND_ASS; |
| 186 | dl_tbf->set_state(GPRS_RLCMAC_FLOW); |
| 187 | dl_tbf->m_wait_confirm = 0; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 188 | check_tbf(dl_tbf); |
| 189 | |
| 190 | *trx_no_ = trx_no; |
| 191 | |
| 192 | return dl_tbf; |
| 193 | } |
| 194 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 195 | static unsigned fn2bn(unsigned fn) |
| 196 | { |
| 197 | return (fn % 52) / 4; |
| 198 | } |
| 199 | |
| 200 | static unsigned fn_add_blocks(unsigned fn, unsigned blocks) |
| 201 | { |
| 202 | unsigned bn = fn2bn(fn) + blocks; |
| 203 | fn = fn - (fn % 52); |
| 204 | fn += bn * 4 + bn / 3; |
| 205 | return fn % 2715648; |
| 206 | } |
| 207 | |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 208 | static void request_dl_rlc_block(struct gprs_rlcmac_bts *bts, |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 209 | uint8_t trx_no, uint8_t ts_no, uint16_t arfcn, |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 210 | uint32_t *fn, uint8_t *block_nr = NULL) |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 211 | { |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 212 | uint8_t bn = fn2bn(*fn); |
| 213 | gprs_rlcmac_rcv_rts_block(bts, trx_no, ts_no, arfcn, *fn, bn); |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 214 | *fn = fn_add_blocks(*fn, 1); |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 215 | bn += 1; |
| 216 | if (block_nr) |
| 217 | *block_nr = bn; |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 218 | } |
| 219 | |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 220 | static void request_dl_rlc_block(struct gprs_rlcmac_tbf *tbf, |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 221 | uint32_t *fn, uint8_t *block_nr = NULL) |
Jacob Erlbeck | 64921d2 | 2015-08-24 11:34:47 +0200 | [diff] [blame] | 222 | { |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 223 | request_dl_rlc_block(tbf->bts->bts_data(), tbf->trx->trx_no, |
Jacob Erlbeck | 64921d2 | 2015-08-24 11:34:47 +0200 | [diff] [blame] | 224 | tbf->control_ts, tbf->trx->arfcn, fn, block_nr); |
| 225 | } |
| 226 | |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 227 | enum test_tbf_final_ack_mode { |
| 228 | TEST_MODE_STANDARD, |
| 229 | TEST_MODE_REVERSE_FREE |
| 230 | }; |
| 231 | |
| 232 | static void test_tbf_final_ack(enum test_tbf_final_ack_mode test_mode) |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 233 | { |
| 234 | BTS the_bts; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 235 | uint8_t ts_no = 4; |
| 236 | unsigned i; |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 237 | uint8_t ms_class = 45; |
| 238 | uint32_t fn; |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 239 | uint8_t block_nr; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 240 | uint8_t trx_no; |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 241 | GprsMs *ms; |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 242 | uint32_t tlli = 0xffeeddcc; |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 243 | |
| 244 | uint8_t rbb[64/8]; |
| 245 | |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 246 | printf("=== start %s ===\n", __func__); |
| 247 | |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 248 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 249 | gprs_rlcmac_tbf *new_tbf; |
| 250 | |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 251 | setup_bts(&the_bts, ts_no); |
| 252 | dl_tbf = create_dl_tbf(&the_bts, ms_class, &trx_no); |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 253 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 254 | ms = dl_tbf->ms(); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 255 | |
| 256 | for (i = 0; i < sizeof(llc_data); i++) |
| 257 | llc_data[i] = i%256; |
| 258 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 259 | /* Schedule two LLC frames */ |
Daniel Willmann | 0f58af6 | 2014-09-19 11:57:21 +0200 | [diff] [blame] | 260 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 261 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 262 | |
| 263 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 264 | /* Send only a few RLC/MAC blocks */ |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 265 | fn = 0; |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 266 | do { |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 267 | /* Request to send one block */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 268 | request_dl_rlc_block(dl_tbf, &fn, &block_nr); |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 269 | } while (block_nr < 3); |
Jacob Erlbeck | 64921d2 | 2015-08-24 11:34:47 +0200 | [diff] [blame] | 270 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 271 | OSMO_ASSERT(dl_tbf->have_data()); |
| 272 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 273 | |
| 274 | /* Queue a final ACK */ |
| 275 | memset(rbb, 0, sizeof(rbb)); |
| 276 | /* Receive a final ACK */ |
| 277 | dl_tbf->rcvd_dl_ack(1, 1, rbb); |
| 278 | |
| 279 | /* Clean up and ensure tbfs are in the correct state */ |
| 280 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 281 | new_tbf = ms->dl_tbf(); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 282 | check_tbf(new_tbf); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 283 | OSMO_ASSERT(new_tbf != dl_tbf); |
| 284 | OSMO_ASSERT(new_tbf->tfi() == 1); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 285 | check_tbf(dl_tbf); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 286 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 287 | if (test_mode == TEST_MODE_REVERSE_FREE) { |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 288 | GprsMs::Guard guard(ms); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 289 | tbf_free(new_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 290 | OSMO_ASSERT(ms->dl_tbf() == NULL); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 291 | check_tbf(dl_tbf); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 292 | tbf_free(dl_tbf); |
| 293 | } else { |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 294 | GprsMs::Guard guard(ms); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 295 | tbf_free(dl_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 296 | OSMO_ASSERT(ms->dl_tbf() == new_tbf); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 297 | check_tbf(new_tbf); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 298 | tbf_free(new_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 299 | OSMO_ASSERT(ms->dl_tbf() == NULL); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 300 | } |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 301 | |
| 302 | printf("=== end %s ===\n", __func__); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 303 | } |
| 304 | |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 305 | static void test_tbf_delayed_release() |
| 306 | { |
| 307 | BTS the_bts; |
| 308 | gprs_rlcmac_bts *bts; |
| 309 | uint8_t ts_no = 4; |
| 310 | unsigned i; |
| 311 | uint8_t ms_class = 45; |
| 312 | uint32_t fn = 0; |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 313 | uint8_t trx_no; |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 314 | uint32_t tlli = 0xffeeddcc; |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 315 | |
| 316 | uint8_t rbb[64/8]; |
| 317 | |
| 318 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 319 | |
| 320 | printf("=== start %s ===\n", __func__); |
| 321 | |
| 322 | bts = the_bts.bts_data(); |
| 323 | |
| 324 | setup_bts(&the_bts, ts_no); |
| 325 | bts->dl_tbf_idle_msec = 200; |
| 326 | |
| 327 | dl_tbf = create_dl_tbf(&the_bts, ms_class, &trx_no); |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 328 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 329 | |
| 330 | for (i = 0; i < sizeof(llc_data); i++) |
| 331 | llc_data[i] = i%256; |
| 332 | |
| 333 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 334 | |
| 335 | /* Schedule two LLC frames */ |
| 336 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 337 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 338 | |
| 339 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 340 | |
| 341 | /* Drain the queue */ |
| 342 | while (dl_tbf->have_data()) |
| 343 | /* Request to send one RLC/MAC block */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 344 | request_dl_rlc_block(dl_tbf, &fn); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 345 | |
| 346 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 347 | |
| 348 | /* ACK all blocks */ |
| 349 | memset(rbb, 0xff, sizeof(rbb)); |
| 350 | /* Receive an ACK */ |
| 351 | dl_tbf->rcvd_dl_ack(0, dl_tbf->m_window.v_s(), rbb); |
| 352 | OSMO_ASSERT(dl_tbf->m_window.window_empty()); |
| 353 | |
| 354 | /* Force sending of a single block containing an LLC dummy command */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 355 | request_dl_rlc_block(dl_tbf, &fn); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 356 | |
| 357 | /* Receive an ACK */ |
| 358 | dl_tbf->rcvd_dl_ack(0, dl_tbf->m_window.v_s(), rbb); |
| 359 | OSMO_ASSERT(dl_tbf->m_window.window_empty()); |
| 360 | |
| 361 | /* Timeout (make sure fn % 52 remains valid) */ |
| 362 | fn += 52 * ((msecs_to_frames(bts->dl_tbf_idle_msec + 100) + 51)/ 52); |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 363 | request_dl_rlc_block(dl_tbf, &fn); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 364 | |
| 365 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FINISHED)); |
| 366 | |
| 367 | /* Receive a final ACK */ |
| 368 | dl_tbf->rcvd_dl_ack(1, dl_tbf->m_window.v_s(), rbb); |
| 369 | |
| 370 | /* Clean up and ensure tbfs are in the correct state */ |
| 371 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 372 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 373 | check_tbf(dl_tbf); |
| 374 | tbf_free(dl_tbf); |
| 375 | printf("=== end %s ===\n", __func__); |
| 376 | } |
| 377 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 378 | static void test_tbf_imsi() |
| 379 | { |
| 380 | BTS the_bts; |
| 381 | uint8_t ts_no = 4; |
| 382 | uint8_t ms_class = 45; |
| 383 | uint8_t trx_no; |
| 384 | GprsMs *ms1, *ms2; |
| 385 | |
| 386 | gprs_rlcmac_dl_tbf *dl_tbf[2]; |
| 387 | |
| 388 | printf("=== start %s ===\n", __func__); |
| 389 | |
| 390 | setup_bts(&the_bts, ts_no); |
| 391 | |
| 392 | dl_tbf[0] = create_dl_tbf(&the_bts, ms_class, &trx_no); |
| 393 | dl_tbf[1] = create_dl_tbf(&the_bts, ms_class, &trx_no); |
| 394 | |
| 395 | dl_tbf[0]->update_ms(0xf1000001, GPRS_RLCMAC_DL_TBF); |
| 396 | dl_tbf[1]->update_ms(0xf1000002, GPRS_RLCMAC_DL_TBF); |
| 397 | |
| 398 | dl_tbf[0]->assign_imsi("001001000000001"); |
| 399 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000001"); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 400 | OSMO_ASSERT(ms1 != NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 401 | ms2 = the_bts.ms_store().get_ms(0xf1000001); |
| 402 | OSMO_ASSERT(ms2 != NULL); |
| 403 | OSMO_ASSERT(strcmp(ms2->imsi(), "001001000000001") == 0); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 404 | OSMO_ASSERT(ms1 == ms2); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 405 | |
| 406 | /* change the IMSI on TBF 0 */ |
| 407 | dl_tbf[0]->assign_imsi("001001000000002"); |
| 408 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000001"); |
| 409 | OSMO_ASSERT(ms1 == NULL); |
| 410 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 411 | OSMO_ASSERT(ms1 != NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 412 | OSMO_ASSERT(strcmp(ms2->imsi(), "001001000000002") == 0); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 413 | OSMO_ASSERT(ms1 == ms2); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 414 | |
| 415 | /* use the same IMSI on TBF 2 */ |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 416 | { |
| 417 | GprsMs::Guard guard(ms2); |
| 418 | dl_tbf[1]->assign_imsi("001001000000002"); |
| 419 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
| 420 | OSMO_ASSERT(ms1 != NULL); |
| 421 | OSMO_ASSERT(ms1 != ms2); |
| 422 | OSMO_ASSERT(strcmp(ms1->imsi(), "001001000000002") == 0); |
| 423 | OSMO_ASSERT(strcmp(ms2->imsi(), "") == 0); |
| 424 | } |
| 425 | |
| 426 | ms2 = the_bts.ms_store().get_ms(0xf1000001); |
| 427 | OSMO_ASSERT(ms2 == NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 428 | |
| 429 | tbf_free(dl_tbf[1]); |
| 430 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
| 431 | OSMO_ASSERT(ms1 == NULL); |
| 432 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 433 | printf("=== end %s ===\n", __func__); |
| 434 | } |
| 435 | |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 436 | static void test_tbf_exhaustion() |
| 437 | { |
| 438 | BTS the_bts; |
| 439 | gprs_rlcmac_bts *bts; |
| 440 | unsigned i; |
| 441 | uint8_t ts_no = 4; |
| 442 | uint8_t ms_class = 45; |
| 443 | int rc = 0; |
| 444 | |
| 445 | uint8_t buf[256] = {0}; |
| 446 | |
| 447 | printf("=== start %s ===\n", __func__); |
| 448 | |
| 449 | bts = the_bts.bts_data(); |
| 450 | setup_bts(&the_bts, ts_no); |
| 451 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 452 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 453 | |
| 454 | for (i = 0; i < 1024; i++) { |
| 455 | uint32_t tlli = 0xc0000000 + i; |
| 456 | char imsi[16] = {0}; |
| 457 | unsigned delay_csec = 1000; |
| 458 | |
Jacob Erlbeck | 9a2845d | 2015-05-21 12:06:58 +0200 | [diff] [blame] | 459 | snprintf(imsi, sizeof(imsi), "001001%09d", i); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 460 | |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 461 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, 0, |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 462 | delay_csec, buf, sizeof(buf)); |
| 463 | |
| 464 | if (rc < 0) |
| 465 | break; |
| 466 | } |
| 467 | |
| 468 | OSMO_ASSERT(rc == -EBUSY); |
| 469 | printf("=== end %s ===\n", __func__); |
| 470 | |
| 471 | gprs_bssgp_destroy(); |
| 472 | } |
| 473 | |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 474 | static void test_tbf_dl_llc_loss() |
| 475 | { |
| 476 | BTS the_bts; |
| 477 | gprs_rlcmac_bts *bts; |
| 478 | uint8_t ts_no = 4; |
| 479 | uint8_t ms_class = 45; |
| 480 | int rc = 0; |
| 481 | uint32_t tlli = 0xc0123456; |
| 482 | const char *imsi = "001001000123456"; |
| 483 | unsigned delay_csec = 1000; |
| 484 | GprsMs *ms; |
| 485 | |
| 486 | uint8_t buf[19]; |
| 487 | |
| 488 | printf("=== start %s ===\n", __func__); |
| 489 | |
| 490 | bts = the_bts.bts_data(); |
| 491 | setup_bts(&the_bts, ts_no); |
| 492 | bts->ms_idle_sec = 10; /* keep the MS object */ |
| 493 | |
| 494 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 495 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 496 | |
| 497 | /* Handle LLC frame 1 */ |
| 498 | memset(buf, 1, sizeof(buf)); |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 499 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, 0, |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 500 | delay_csec, buf, sizeof(buf)); |
| 501 | OSMO_ASSERT(rc >= 0); |
| 502 | |
| 503 | ms = the_bts.ms_store().get_ms(0, 0, imsi); |
| 504 | OSMO_ASSERT(ms != NULL); |
| 505 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
| 506 | |
| 507 | /* Handle LLC frame 2 */ |
| 508 | memset(buf, 2, sizeof(buf)); |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 509 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, 0, |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 510 | delay_csec, buf, sizeof(buf)); |
| 511 | OSMO_ASSERT(rc >= 0); |
| 512 | |
| 513 | /* TBF establishment fails (timeout) */ |
| 514 | tbf_free(ms->dl_tbf()); |
| 515 | |
| 516 | /* Handle LLC frame 3 */ |
| 517 | memset(buf, 3, sizeof(buf)); |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 518 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, 0, |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 519 | delay_csec, buf, sizeof(buf)); |
| 520 | OSMO_ASSERT(rc >= 0); |
| 521 | |
| 522 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
| 523 | |
| 524 | /* Get first BSN */ |
| 525 | struct msgb *msg; |
| 526 | int fn = 0; |
| 527 | uint8_t expected_data = 1; |
| 528 | |
| 529 | while (ms->dl_tbf()->have_data()) { |
| 530 | msg = ms->dl_tbf()->create_dl_acked_block(fn += 4, 7); |
| 531 | fprintf(stderr, "MSG = %s\n", msgb_hexdump(msg)); |
| 532 | OSMO_ASSERT(msgb_length(msg) == 23); |
Jacob Erlbeck | 409efa1 | 2015-06-12 14:06:09 +0200 | [diff] [blame] | 533 | OSMO_ASSERT(msgb_data(msg)[10] == expected_data); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 534 | expected_data += 1; |
| 535 | } |
Jacob Erlbeck | 409efa1 | 2015-06-12 14:06:09 +0200 | [diff] [blame] | 536 | OSMO_ASSERT(expected_data-1 == 3); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 537 | |
| 538 | printf("=== end %s ===\n", __func__); |
| 539 | |
| 540 | gprs_bssgp_destroy(); |
| 541 | } |
| 542 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 543 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_single_phase(BTS *the_bts, |
| 544 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta) |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 545 | { |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 546 | GprsMs *ms; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 547 | int tfi = 0; |
| 548 | gprs_rlcmac_ul_tbf *ul_tbf; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 549 | uint8_t trx_no = 0; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 550 | struct gprs_rlcmac_pdch *pdch; |
Jacob Erlbeck | 20f6fd1 | 2015-06-08 11:05:45 +0200 | [diff] [blame] | 551 | struct pcu_l1_meas meas; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 552 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 553 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 554 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 555 | the_bts->rcv_rach(0x03, *fn, qta); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 556 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 557 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 558 | OSMO_ASSERT(ul_tbf != NULL); |
| 559 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 560 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 561 | |
| 562 | uint8_t data_msg[23] = { |
| 563 | 0x00, /* GPRS_RLCMAC_DATA_BLOCK << 6 */ |
| 564 | uint8_t(1 | (tfi << 2)), |
| 565 | uint8_t(1), /* BSN:7, E:1 */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 566 | uint8_t(tlli >> 24), uint8_t(tlli >> 16), |
| 567 | uint8_t(tlli >> 8), uint8_t(tlli), /* TLLI */ |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 568 | }; |
| 569 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 570 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 571 | pdch->rcv_block(&data_msg[0], sizeof(data_msg), *fn, &meas); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 572 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 573 | ms = the_bts->ms_by_tlli(tlli); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 574 | OSMO_ASSERT(ms != NULL); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 575 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 576 | return ul_tbf; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 577 | } |
| 578 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 579 | static void send_ul_mac_block(BTS *the_bts, unsigned trx_no, unsigned ts_no, |
| 580 | RlcMacUplink_t *ulreq, unsigned fn) |
| 581 | { |
| 582 | bitvec *rlc_block; |
| 583 | uint8_t buf[64]; |
| 584 | int num_bytes; |
| 585 | struct gprs_rlcmac_pdch *pdch; |
| 586 | struct pcu_l1_meas meas; |
| 587 | |
| 588 | meas.set_rssi(31); |
| 589 | |
| 590 | rlc_block = bitvec_alloc(23); |
| 591 | |
| 592 | encode_gsm_rlcmac_uplink(rlc_block, ulreq); |
| 593 | num_bytes = bitvec_pack(rlc_block, &buf[0]); |
| 594 | OSMO_ASSERT(size_t(num_bytes) < sizeof(buf)); |
| 595 | bitvec_free(rlc_block); |
| 596 | |
Jacob Erlbeck | af75ce8 | 2015-08-26 13:22:28 +0200 | [diff] [blame] | 597 | the_bts->set_current_block_frame_number(fn, 0); |
| 598 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 599 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 600 | pdch->rcv_block(&buf[0], num_bytes, fn, &meas); |
| 601 | } |
| 602 | |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 603 | static void send_control_ack(gprs_rlcmac_tbf *tbf) |
| 604 | { |
| 605 | RlcMacUplink_t ulreq = {0}; |
| 606 | |
| 607 | OSMO_ASSERT(tbf->poll_fn != 0); |
| 608 | |
| 609 | ulreq.u.MESSAGE_TYPE = MT_PACKET_CONTROL_ACK; |
| 610 | Packet_Control_Acknowledgement_t *ctrl_ack = |
| 611 | &ulreq.u.Packet_Control_Acknowledgement; |
| 612 | |
| 613 | ctrl_ack->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 614 | ctrl_ack->TLLI = tbf->tlli(); |
| 615 | send_ul_mac_block(tbf->bts, tbf->trx->trx_no, tbf->control_ts, |
| 616 | &ulreq, tbf->poll_fn); |
| 617 | } |
| 618 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 619 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase(BTS *the_bts, |
| 620 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 621 | uint8_t ms_class) |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 622 | { |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 623 | GprsMs *ms; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 624 | uint32_t rach_fn = *fn - 51; |
| 625 | uint32_t sba_fn = *fn + 52; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 626 | uint8_t trx_no = 0; |
| 627 | int tfi = 0; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 628 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 629 | struct gprs_rlcmac_pdch *pdch; |
| 630 | gprs_rlcmac_bts *bts; |
| 631 | RlcMacUplink_t ulreq = {0}; |
Jacob Erlbeck | 20f6fd1 | 2015-06-08 11:05:45 +0200 | [diff] [blame] | 632 | struct pcu_l1_meas meas; |
| 633 | meas.set_rssi(31); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 634 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 635 | bts = the_bts->bts_data(); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 636 | |
| 637 | /* needed to set last_rts_fn in the PDCH object */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 638 | request_dl_rlc_block(bts, trx_no, ts_no, 0, fn); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 639 | |
| 640 | /* simulate RACH, this sends an Immediate Assignment Uplink on the AGCH */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 641 | the_bts->rcv_rach(0x73, rach_fn, qta); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 642 | |
| 643 | /* get next free TFI */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 644 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 645 | |
| 646 | /* fake a resource request */ |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 647 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 648 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 649 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 650 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 651 | ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability = 1; |
| 652 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 653 | Count_MS_RA_capability_value = 1; |
| 654 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 655 | MS_RA_capability_value[0].u.Content.Exist_Multislot_capability = 1; |
| 656 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 657 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 658 | Exist_GPRS_multislot_class = 1; |
| 659 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 660 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 661 | GPRS_multislot_class = ms_class; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 662 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 663 | send_ul_mac_block(the_bts, trx_no, ts_no, &ulreq, sba_fn); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 664 | |
| 665 | /* check the TBF */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 666 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 667 | OSMO_ASSERT(ul_tbf != NULL); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 668 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 669 | |
| 670 | /* send packet uplink assignment */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 671 | *fn = sba_fn; |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 672 | request_dl_rlc_block(ul_tbf, fn); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 673 | |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 674 | /* send real acknowledgement */ |
| 675 | send_control_ack(ul_tbf); |
| 676 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 677 | check_tbf(ul_tbf); |
| 678 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 679 | /* send fake data */ |
| 680 | uint8_t data_msg[23] = { |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 681 | 0x00 | 0xf << 2, /* GPRS_RLCMAC_DATA_BLOCK << 6, CV = 15 */ |
| 682 | uint8_t(0 | (tfi << 1)), |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 683 | uint8_t(1), /* BSN:7, E:1 */ |
| 684 | }; |
| 685 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 686 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 687 | pdch->rcv_block(&data_msg[0], sizeof(data_msg), *fn, &meas); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 688 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 689 | ms = the_bts->ms_by_tlli(tlli); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 690 | OSMO_ASSERT(ms != NULL); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 691 | OSMO_ASSERT(ms->ta() == qta/4); |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 692 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 693 | |
| 694 | return ul_tbf; |
| 695 | } |
| 696 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 697 | static void send_dl_data(BTS *the_bts, uint32_t tlli, const char *imsi, |
| 698 | const uint8_t *data, unsigned data_size) |
| 699 | { |
| 700 | GprsMs *ms, *ms2; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 701 | |
| 702 | ms = the_bts->ms_store().get_ms(tlli, 0, imsi); |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 703 | |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 704 | gprs_rlcmac_dl_tbf::handle(the_bts->bts_data(), tlli, 0, imsi, 0, 0, |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 705 | 1000, data, data_size); |
| 706 | |
| 707 | ms = the_bts->ms_by_imsi(imsi); |
| 708 | OSMO_ASSERT(ms != NULL); |
| 709 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 710 | |
| 711 | if (imsi[0] && strcmp(imsi, "000") != 0) { |
| 712 | ms2 = the_bts->ms_by_tlli(tlli); |
| 713 | OSMO_ASSERT(ms == ms2); |
| 714 | } |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 715 | } |
| 716 | |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 717 | static void transmit_dl_data(BTS *the_bts, uint32_t tlli, uint32_t *fn) |
| 718 | { |
| 719 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 720 | GprsMs *ms; |
| 721 | unsigned ts_no; |
| 722 | |
| 723 | ms = the_bts->ms_by_tlli(tlli); |
| 724 | OSMO_ASSERT(ms); |
| 725 | dl_tbf = ms->dl_tbf(); |
| 726 | OSMO_ASSERT(dl_tbf); |
| 727 | |
| 728 | while (dl_tbf->have_data()) { |
| 729 | uint8_t bn = fn2bn(*fn); |
| 730 | for (ts_no = 0 ; ts_no < 8; ts_no += 1) |
| 731 | gprs_rlcmac_rcv_rts_block(the_bts->bts_data(), |
| 732 | dl_tbf->trx->trx_no, ts_no, 0, |
| 733 | *fn, bn); |
| 734 | *fn = fn_add_blocks(*fn, 1); |
| 735 | } |
| 736 | } |
| 737 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 738 | static void test_tbf_single_phase() |
| 739 | { |
| 740 | BTS the_bts; |
| 741 | int ts_no = 7; |
| 742 | uint32_t fn = 2654167; /* 17,25,9 */ |
| 743 | uint32_t tlli = 0xf1223344; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 744 | const char *imsi = "0011223344"; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 745 | uint16_t qta = 31; |
| 746 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 747 | GprsMs *ms; |
| 748 | |
| 749 | printf("=== start %s ===\n", __func__); |
| 750 | |
| 751 | setup_bts(&the_bts, ts_no); |
| 752 | |
| 753 | ul_tbf = establish_ul_tbf_single_phase(&the_bts, ts_no, tlli, &fn, qta); |
| 754 | |
| 755 | ms = ul_tbf->ms(); |
| 756 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 757 | fprintf(stderr, "Got MS: TLLI = 0x%08x, TA = %d\n", ms->tlli(), ms->ta()); |
| 758 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 759 | send_dl_data(&the_bts, tlli, imsi, (const uint8_t *)"TEST", 4); |
| 760 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 761 | printf("=== end %s ===\n", __func__); |
| 762 | } |
| 763 | |
| 764 | static void test_tbf_two_phase() |
| 765 | { |
| 766 | BTS the_bts; |
| 767 | int ts_no = 7; |
| 768 | uint32_t fn = 2654218; |
| 769 | uint16_t qta = 31; |
| 770 | uint32_t tlli = 0xf1223344; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 771 | const char *imsi = "0011223344"; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 772 | uint8_t ms_class = 1; |
| 773 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 774 | GprsMs *ms; |
| 775 | |
| 776 | printf("=== start %s ===\n", __func__); |
| 777 | |
| 778 | setup_bts(&the_bts, ts_no, 4); |
| 779 | |
| 780 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli, &fn, qta, ms_class); |
| 781 | |
| 782 | ms = ul_tbf->ms(); |
| 783 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 784 | fprintf(stderr, "Got MS: TLLI = 0x%08x, TA = %d\n", ms->tlli(), ms->ta()); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 785 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 786 | send_dl_data(&the_bts, tlli, imsi, (const uint8_t *)"TEST", 4); |
| 787 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 788 | printf("=== end %s ===\n", __func__); |
| 789 | } |
| 790 | |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 791 | static void test_tbf_ra_update_rach() |
| 792 | { |
| 793 | BTS the_bts; |
| 794 | int ts_no = 7; |
| 795 | uint32_t fn = 2654218; |
| 796 | uint16_t qta = 31; |
| 797 | uint32_t tlli1 = 0xf1223344; |
| 798 | uint32_t tlli2 = 0xf5667788; |
| 799 | const char *imsi = "0011223344"; |
| 800 | uint8_t ms_class = 1; |
| 801 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 802 | GprsMs *ms, *ms1, *ms2; |
| 803 | |
| 804 | printf("=== start %s ===\n", __func__); |
| 805 | |
| 806 | setup_bts(&the_bts, ts_no, 4); |
| 807 | |
| 808 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, ms_class); |
| 809 | |
| 810 | ms1 = ul_tbf->ms(); |
| 811 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 812 | |
| 813 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"RAU_ACCEPT", 10); |
| 814 | fprintf(stderr, "Old MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 815 | ms1->tlli(), ms1->ta(), ms1->imsi(), ms1->llc_queue()->size()); |
| 816 | |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 817 | /* Send Packet Downlink Assignment to MS */ |
| 818 | request_dl_rlc_block(ul_tbf, &fn); |
| 819 | |
| 820 | /* Ack it */ |
| 821 | send_control_ack(ul_tbf); |
| 822 | |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 823 | /* Make sure the RAU Accept gets sent to the MS */ |
| 824 | OSMO_ASSERT(ms1->llc_queue()->size() == 1); |
| 825 | transmit_dl_data(&the_bts, tlli1, &fn); |
| 826 | OSMO_ASSERT(ms1->llc_queue()->size() == 0); |
| 827 | |
| 828 | /* Now establish a new TBF for the RA UPDATE COMPLETE (new TLLI) */ |
| 829 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli2, &fn, qta, ms_class); |
| 830 | |
| 831 | ms2 = ul_tbf->ms(); |
| 832 | |
| 833 | /* The PCU cannot know yet, that both TBF belong to the same MS */ |
| 834 | OSMO_ASSERT(ms1 != ms2); |
| 835 | |
| 836 | fprintf(stderr, "Old MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 837 | ms1->tlli(), ms1->ta(), ms1->imsi(), ms1->llc_queue()->size()); |
| 838 | |
| 839 | /* Send some downlink data along with the new TLLI and the IMSI so that |
| 840 | * the PCU can see, that both MS objects belong to same MS */ |
| 841 | send_dl_data(&the_bts, tlli2, imsi, (const uint8_t *)"DATA", 4); |
| 842 | |
| 843 | ms = the_bts.ms_by_imsi(imsi); |
| 844 | OSMO_ASSERT(ms == ms2); |
| 845 | |
| 846 | fprintf(stderr, "New MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 847 | ms2->tlli(), ms2->ta(), ms2->imsi(), ms2->llc_queue()->size()); |
| 848 | |
| 849 | ms = the_bts.ms_by_tlli(tlli1); |
| 850 | OSMO_ASSERT(ms == NULL); |
| 851 | ms = the_bts.ms_by_tlli(tlli2); |
| 852 | OSMO_ASSERT(ms == ms2); |
| 853 | |
| 854 | printf("=== end %s ===\n", __func__); |
| 855 | } |
| 856 | |
| 857 | static void test_tbf_dl_flow_and_rach_two_phase() |
| 858 | { |
| 859 | BTS the_bts; |
| 860 | int ts_no = 7; |
| 861 | uint32_t fn = 2654218; |
| 862 | uint16_t qta = 31; |
| 863 | uint32_t tlli1 = 0xf1223344; |
| 864 | const char *imsi = "0011223344"; |
| 865 | uint8_t ms_class = 1; |
| 866 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 867 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 868 | GprsMs *ms, *ms1, *ms2; |
| 869 | |
| 870 | printf("=== start %s ===\n", __func__); |
| 871 | |
| 872 | setup_bts(&the_bts, ts_no, 1); |
| 873 | |
| 874 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, ms_class); |
| 875 | |
| 876 | ms1 = ul_tbf->ms(); |
| 877 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 878 | |
| 879 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 1 *************", 20); |
| 880 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 2 *************", 20); |
| 881 | fprintf(stderr, "Old MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 882 | ms1->tlli(), ms1->ta(), ms1->imsi(), ms1->llc_queue()->size()); |
| 883 | |
| 884 | OSMO_ASSERT(ms1->llc_queue()->size() == 2); |
| 885 | dl_tbf = ms1->dl_tbf(); |
| 886 | OSMO_ASSERT(dl_tbf != NULL); |
| 887 | |
| 888 | /* Get rid of old UL TBF */ |
| 889 | tbf_free(ul_tbf); |
| 890 | ms = the_bts.ms_by_tlli(tlli1); |
| 891 | OSMO_ASSERT(ms1 == ms); |
| 892 | |
| 893 | /* Now establish a new UL TBF, this will consume one LLC packet */ |
| 894 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, ms_class); |
| 895 | |
| 896 | ms2 = ul_tbf->ms(); |
| 897 | fprintf(stderr, "New MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 898 | ms2->tlli(), ms2->ta(), ms2->imsi(), ms2->llc_queue()->size()); |
| 899 | |
| 900 | /* This should be the same MS object */ |
| 901 | OSMO_ASSERT(ms2 == ms1); |
| 902 | |
| 903 | ms = the_bts.ms_by_tlli(tlli1); |
| 904 | OSMO_ASSERT(ms2 == ms); |
| 905 | |
Jacob Erlbeck | c8cbfc2 | 2015-09-01 11:38:40 +0200 | [diff] [blame] | 906 | /* A DL TBF should still exist */ |
| 907 | OSMO_ASSERT(ms->dl_tbf()); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 908 | |
| 909 | /* No queued packets should be lost */ |
Jacob Erlbeck | 9659d59 | 2015-09-01 11:06:14 +0200 | [diff] [blame] | 910 | OSMO_ASSERT(ms->llc_queue()->size() == 2); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 911 | |
| 912 | printf("=== end %s ===\n", __func__); |
| 913 | } |
| 914 | |
| 915 | |
| 916 | static void test_tbf_dl_flow_and_rach_single_phase() |
| 917 | { |
| 918 | BTS the_bts; |
| 919 | int ts_no = 7; |
| 920 | uint32_t fn = 2654218; |
| 921 | uint16_t qta = 31; |
| 922 | uint32_t tlli1 = 0xf1223344; |
| 923 | const char *imsi = "0011223344"; |
| 924 | uint8_t ms_class = 1; |
| 925 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 926 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 927 | GprsMs *ms, *ms1, *ms2; |
| 928 | |
| 929 | printf("=== start %s ===\n", __func__); |
| 930 | |
| 931 | setup_bts(&the_bts, ts_no, 1); |
| 932 | |
| 933 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, ms_class); |
| 934 | |
| 935 | ms1 = ul_tbf->ms(); |
| 936 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 937 | |
| 938 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 1 *************", 20); |
| 939 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 2 *************", 20); |
| 940 | fprintf(stderr, "Old MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 941 | ms1->tlli(), ms1->ta(), ms1->imsi(), ms1->llc_queue()->size()); |
| 942 | |
| 943 | OSMO_ASSERT(ms1->llc_queue()->size() == 2); |
| 944 | dl_tbf = ms1->dl_tbf(); |
| 945 | OSMO_ASSERT(dl_tbf != NULL); |
| 946 | |
| 947 | /* Get rid of old UL TBF */ |
| 948 | tbf_free(ul_tbf); |
| 949 | ms = the_bts.ms_by_tlli(tlli1); |
| 950 | OSMO_ASSERT(ms1 == ms); |
| 951 | |
| 952 | /* Now establish a new UL TBF */ |
| 953 | ul_tbf = establish_ul_tbf_single_phase(&the_bts, ts_no, tlli1, &fn, qta); |
| 954 | |
| 955 | ms2 = ul_tbf->ms(); |
| 956 | fprintf(stderr, "New MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 957 | ms2->tlli(), ms2->ta(), ms2->imsi(), ms2->llc_queue()->size()); |
| 958 | |
| 959 | /* There should be a different MS object */ |
| 960 | OSMO_ASSERT(ms2 != ms1); |
| 961 | |
| 962 | ms = the_bts.ms_by_tlli(tlli1); |
| 963 | OSMO_ASSERT(ms2 == ms); |
| 964 | OSMO_ASSERT(ms1 != ms); |
| 965 | |
| 966 | /* DL TBF should be the same */ |
| 967 | OSMO_ASSERT(ms->dl_tbf()); |
| 968 | OSMO_ASSERT(ms->dl_tbf() == dl_tbf); |
| 969 | |
| 970 | /* No queued packets should be lost */ |
Jacob Erlbeck | 9659d59 | 2015-09-01 11:06:14 +0200 | [diff] [blame] | 971 | OSMO_ASSERT(ms->llc_queue()->size() == 2); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 972 | |
| 973 | printf("=== end %s ===\n", __func__); |
| 974 | } |
| 975 | |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 976 | static void test_tbf_dl_reuse() |
| 977 | { |
| 978 | BTS the_bts; |
| 979 | int ts_no = 7; |
| 980 | uint32_t fn = 2654218; |
| 981 | uint16_t qta = 31; |
| 982 | uint32_t tlli1 = 0xf1223344; |
| 983 | const char *imsi = "0011223344"; |
| 984 | uint8_t ms_class = 1; |
| 985 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 986 | gprs_rlcmac_dl_tbf *dl_tbf1, *dl_tbf2; |
| 987 | GprsMs *ms1, *ms2; |
| 988 | unsigned i; |
| 989 | RlcMacUplink_t ulreq = {0}; |
| 990 | |
| 991 | printf("=== start %s ===\n", __func__); |
| 992 | |
| 993 | setup_bts(&the_bts, ts_no, 1); |
| 994 | |
| 995 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, ms_class); |
| 996 | |
| 997 | ms1 = ul_tbf->ms(); |
| 998 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 999 | |
| 1000 | /* Send some LLC frames */ |
| 1001 | for (i = 0; i < 40; i++) { |
| 1002 | char buf[32]; |
| 1003 | int rc; |
| 1004 | |
| 1005 | rc = snprintf(buf, sizeof(buf), "LLC PACKET %02i", i); |
| 1006 | OSMO_ASSERT(rc > 0); |
| 1007 | |
| 1008 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)buf, rc); |
| 1009 | } |
| 1010 | |
| 1011 | fprintf(stderr, "Old MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 1012 | ms1->tlli(), ms1->ta(), ms1->imsi(), ms1->llc_queue()->size()); |
| 1013 | |
| 1014 | /* Send Packet Downlink Assignment to MS */ |
| 1015 | request_dl_rlc_block(ul_tbf, &fn); |
| 1016 | |
| 1017 | /* Ack it */ |
| 1018 | send_control_ack(ul_tbf); |
| 1019 | |
| 1020 | /* Transmit all data */ |
| 1021 | transmit_dl_data(&the_bts, tlli1, &fn); |
| 1022 | OSMO_ASSERT(ms1->llc_queue()->size() == 0); |
| 1023 | OSMO_ASSERT(ms1->dl_tbf()); |
| 1024 | OSMO_ASSERT(ms1->dl_tbf()->state_is(GPRS_RLCMAC_FINISHED)); |
| 1025 | |
| 1026 | dl_tbf1 = ms1->dl_tbf(); |
| 1027 | |
| 1028 | /* Send some LLC frames */ |
| 1029 | for (i = 0; i < 10; i++) { |
| 1030 | char buf[32]; |
| 1031 | int rc; |
| 1032 | |
| 1033 | rc = snprintf(buf, sizeof(buf), "LLC PACKET %02i (TBF 2)", i); |
| 1034 | OSMO_ASSERT(rc > 0); |
| 1035 | |
| 1036 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)buf, rc); |
| 1037 | } |
| 1038 | |
| 1039 | /* Fake Final DL Ack/Nack */ |
| 1040 | ulreq.u.MESSAGE_TYPE = MT_PACKET_DOWNLINK_ACK_NACK; |
| 1041 | Packet_Downlink_Ack_Nack_t *ack = &ulreq.u.Packet_Downlink_Ack_Nack; |
| 1042 | |
| 1043 | ack->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 1044 | ack->DOWNLINK_TFI = dl_tbf1->tfi(); |
| 1045 | ack->Ack_Nack_Description.FINAL_ACK_INDICATION = 1; |
| 1046 | |
| 1047 | send_ul_mac_block(&the_bts, 0, ts_no, &ulreq, dl_tbf1->poll_fn); |
| 1048 | |
| 1049 | OSMO_ASSERT(dl_tbf1->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
| 1050 | |
| 1051 | request_dl_rlc_block(dl_tbf1, &fn); |
| 1052 | |
| 1053 | ms2 = the_bts.ms_by_tlli(tlli1); |
| 1054 | OSMO_ASSERT(ms2 == ms1); |
| 1055 | OSMO_ASSERT(ms2->dl_tbf()); |
| 1056 | OSMO_ASSERT(ms2->dl_tbf()->state_is(GPRS_RLCMAC_ASSIGN)); |
| 1057 | |
| 1058 | dl_tbf2 = ms2->dl_tbf(); |
| 1059 | |
| 1060 | OSMO_ASSERT(dl_tbf1 != dl_tbf2); |
| 1061 | |
| 1062 | send_control_ack(dl_tbf1); |
Jacob Erlbeck | 6835cea | 2015-08-21 15:24:02 +0200 | [diff] [blame] | 1063 | OSMO_ASSERT(dl_tbf2->state_is(GPRS_RLCMAC_FLOW)); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 1064 | |
| 1065 | /* Transmit all data */ |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 1066 | transmit_dl_data(&the_bts, tlli1, &fn); |
| 1067 | OSMO_ASSERT(ms2->llc_queue()->size() == 0); |
| 1068 | OSMO_ASSERT(ms2->dl_tbf()); |
| 1069 | OSMO_ASSERT(ms2->dl_tbf()->state_is(GPRS_RLCMAC_FINISHED)); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 1070 | |
| 1071 | printf("=== end %s ===\n", __func__); |
| 1072 | } |
| 1073 | |
Jacob Erlbeck | 9b3d7e0 | 2016-01-19 10:44:42 +0100 | [diff] [blame] | 1074 | static void test_tbf_gprs_egprs() |
| 1075 | { |
| 1076 | BTS the_bts; |
| 1077 | gprs_rlcmac_bts *bts; |
| 1078 | uint8_t ts_no = 4; |
| 1079 | uint8_t ms_class = 45; |
| 1080 | int rc = 0; |
| 1081 | uint32_t tlli = 0xc0006789; |
| 1082 | const char *imsi = "001001123456789"; |
| 1083 | unsigned delay_csec = 1000; |
| 1084 | |
| 1085 | uint8_t buf[256] = {0}; |
| 1086 | |
| 1087 | printf("=== start %s ===\n", __func__); |
| 1088 | |
| 1089 | bts = the_bts.bts_data(); |
| 1090 | setup_bts(&the_bts, ts_no); |
| 1091 | |
| 1092 | /* EGPRS-only */ |
| 1093 | bts->egprs_enabled = 1; |
| 1094 | |
| 1095 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 1096 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 1097 | |
| 1098 | /* Does not support EGPRS */ |
| 1099 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, 0, |
| 1100 | delay_csec, buf, sizeof(buf)); |
| 1101 | |
| 1102 | OSMO_ASSERT(rc == -EBUSY); |
| 1103 | printf("=== end %s ===\n", __func__); |
| 1104 | |
| 1105 | gprs_bssgp_destroy(); |
| 1106 | } |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1107 | |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 1108 | static void test_tbf_ws() |
| 1109 | { |
| 1110 | BTS the_bts; |
| 1111 | gprs_rlcmac_bts *bts; |
| 1112 | uint8_t ts_no = 4; |
| 1113 | uint8_t ms_class = 12; |
| 1114 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 1115 | |
| 1116 | printf("=== start %s ===\n", __func__); |
| 1117 | |
| 1118 | bts = the_bts.bts_data(); |
| 1119 | setup_bts(&the_bts, ts_no); |
| 1120 | |
| 1121 | bts->ws_base = 128; |
| 1122 | bts->ws_pdch = 64; |
| 1123 | bts->alloc_algorithm = alloc_algorithm_b; |
| 1124 | bts->trx[0].pdch[2].enable(); |
| 1125 | bts->trx[0].pdch[3].enable(); |
| 1126 | bts->trx[0].pdch[4].enable(); |
| 1127 | bts->trx[0].pdch[5].enable(); |
| 1128 | |
| 1129 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 1130 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 1131 | |
| 1132 | /* Does no support EGPRS */ |
| 1133 | dl_tbf = tbf_alloc_dl_tbf(bts, NULL, 0, ms_class, 0, 0); |
| 1134 | OSMO_ASSERT(dl_tbf != NULL); |
| 1135 | fprintf(stderr, "DL TBF slots: 0x%02x, N: %d, WS: %d\n", |
| 1136 | dl_tbf->dl_slots(), |
| 1137 | pcu_bitcount(dl_tbf->dl_slots()), |
| 1138 | dl_tbf->window()->ws()); |
| 1139 | OSMO_ASSERT(pcu_bitcount(dl_tbf->dl_slots()) == 4); |
| 1140 | OSMO_ASSERT(dl_tbf->window()->ws() == 64); |
| 1141 | tbf_free(dl_tbf); |
| 1142 | |
| 1143 | /* EGPRS-only */ |
| 1144 | bts->egprs_enabled = 1; |
| 1145 | |
| 1146 | /* Does support EGPRS */ |
| 1147 | dl_tbf = tbf_alloc_dl_tbf(bts, NULL, 0, ms_class, ms_class, 0); |
| 1148 | |
| 1149 | OSMO_ASSERT(dl_tbf != NULL); |
| 1150 | fprintf(stderr, "DL TBF slots: 0x%02x, N: %d, WS: %d\n", |
| 1151 | dl_tbf->dl_slots(), |
| 1152 | pcu_bitcount(dl_tbf->dl_slots()), |
| 1153 | dl_tbf->window()->ws()); |
| 1154 | OSMO_ASSERT(pcu_bitcount(dl_tbf->dl_slots()) == 4); |
| 1155 | OSMO_ASSERT(dl_tbf->window()->ws() == 128 + 4 * 64); |
| 1156 | tbf_free(dl_tbf); |
| 1157 | |
| 1158 | printf("=== end %s ===\n", __func__); |
| 1159 | |
| 1160 | gprs_bssgp_destroy(); |
| 1161 | } |
| 1162 | |
Daniel Willmann | 341689d | 2014-06-11 18:33:14 +0200 | [diff] [blame] | 1163 | static const struct log_info_cat default_categories[] = { |
| 1164 | {"DCSN1", "\033[1;31m", "Concrete Syntax Notation One (CSN1)", LOGL_INFO, 0}, |
| 1165 | {"DL1IF", "\033[1;32m", "GPRS PCU L1 interface (L1IF)", LOGL_DEBUG, 1}, |
| 1166 | {"DRLCMAC", "\033[0;33m", "GPRS RLC/MAC layer (RLCMAC)", LOGL_DEBUG, 1}, |
| 1167 | {"DRLCMACDATA", "\033[0;33m", "GPRS RLC/MAC layer Data (RLCMAC)", LOGL_DEBUG, 1}, |
| 1168 | {"DRLCMACDL", "\033[1;33m", "GPRS RLC/MAC layer Downlink (RLCMAC)", LOGL_DEBUG, 1}, |
| 1169 | {"DRLCMACUL", "\033[1;36m", "GPRS RLC/MAC layer Uplink (RLCMAC)", LOGL_DEBUG, 1}, |
| 1170 | {"DRLCMACSCHED", "\033[0;36m", "GPRS RLC/MAC layer Scheduling (RLCMAC)", LOGL_DEBUG, 1}, |
| 1171 | {"DRLCMACMEAS", "\033[1;31m", "GPRS RLC/MAC layer Measurements (RLCMAC)", LOGL_INFO, 1}, |
Jacob Erlbeck | 56af6d5 | 2015-08-17 14:06:21 +0200 | [diff] [blame] | 1172 | {"DNS","\033[1;34m", "GPRS Network Service Protocol (NS)", LOGL_INFO , 1}, |
Daniel Willmann | 341689d | 2014-06-11 18:33:14 +0200 | [diff] [blame] | 1173 | {"DBSSGP","\033[1;34m", "GPRS BSS Gateway Protocol (BSSGP)", LOGL_INFO , 1}, |
| 1174 | {"DPCU", "\033[1;35m", "GPRS Packet Control Unit (PCU)", LOGL_NOTICE, 1}, |
| 1175 | }; |
| 1176 | |
| 1177 | static int filter_fn(const struct log_context *ctx, |
| 1178 | struct log_target *tar) |
| 1179 | { |
| 1180 | return 1; |
| 1181 | } |
| 1182 | |
| 1183 | const struct log_info debug_log_info = { |
| 1184 | filter_fn, |
| 1185 | (struct log_info_cat*)default_categories, |
| 1186 | ARRAY_SIZE(default_categories), |
| 1187 | }; |
| 1188 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 1189 | int main(int argc, char **argv) |
| 1190 | { |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 1191 | struct vty_app_info pcu_vty_info = {0}; |
| 1192 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 1193 | tall_pcu_ctx = talloc_named_const(NULL, 1, "moiji-mobile TbfTest context"); |
| 1194 | if (!tall_pcu_ctx) |
| 1195 | abort(); |
| 1196 | |
| 1197 | msgb_set_talloc_ctx(tall_pcu_ctx); |
Daniel Willmann | 341689d | 2014-06-11 18:33:14 +0200 | [diff] [blame] | 1198 | osmo_init_logging(&debug_log_info); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 1199 | log_set_use_color(osmo_stderr_target, 0); |
| 1200 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 1201 | bssgp_set_log_ss(DBSSGP); |
| 1202 | |
| 1203 | vty_init(&pcu_vty_info); |
| 1204 | pcu_vty_init(&debug_log_info); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 1205 | |
Jacob Erlbeck | ac89a55 | 2015-06-29 14:18:46 +0200 | [diff] [blame] | 1206 | test_tbf_base(); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 1207 | test_tbf_tlli_update(); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 1208 | test_tbf_final_ack(TEST_MODE_STANDARD); |
| 1209 | test_tbf_final_ack(TEST_MODE_REVERSE_FREE); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 1210 | test_tbf_delayed_release(); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 1211 | test_tbf_imsi(); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 1212 | test_tbf_exhaustion(); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 1213 | test_tbf_dl_llc_loss(); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1214 | test_tbf_single_phase(); |
| 1215 | test_tbf_two_phase(); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1216 | test_tbf_ra_update_rach(); |
| 1217 | test_tbf_dl_flow_and_rach_two_phase(); |
| 1218 | test_tbf_dl_flow_and_rach_single_phase(); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 1219 | test_tbf_dl_reuse(); |
Jacob Erlbeck | 9b3d7e0 | 2016-01-19 10:44:42 +0100 | [diff] [blame] | 1220 | test_tbf_gprs_egprs(); |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 1221 | test_tbf_ws(); |
Jacob Erlbeck | 67c3850 | 2015-05-11 10:32:40 +0200 | [diff] [blame] | 1222 | |
| 1223 | if (getenv("TALLOC_REPORT_FULL")) |
| 1224 | talloc_report_full(tall_pcu_ctx, stderr); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 1225 | return EXIT_SUCCESS; |
| 1226 | } |
| 1227 | |
| 1228 | /* |
| 1229 | * stubs that should not be reached |
| 1230 | */ |
| 1231 | extern "C" { |
| 1232 | void l1if_pdch_req() { abort(); } |
| 1233 | void l1if_connect_pdch() { abort(); } |
| 1234 | void l1if_close_pdch() { abort(); } |
| 1235 | void l1if_open_pdch() { abort(); } |
| 1236 | } |