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 | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 48 | } |
| 49 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 50 | /* |
| 51 | static unsigned inc_fn(fn) |
| 52 | { |
| 53 | unsigned next_fn; |
| 54 | |
| 55 | next_fn = fn + 4; |
| 56 | if ((block_nr % 3) == 2) |
| 57 | next_fn ++; |
| 58 | next_fn = next_fn % 2715648; |
| 59 | |
| 60 | return next_fn; |
| 61 | } |
| 62 | */ |
| 63 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 64 | static void test_tbf_tlli_update() |
| 65 | { |
| 66 | BTS the_bts; |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 67 | GprsMs *ms, *ms_new; |
| 68 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 69 | the_bts.bts_data()->alloc_algorithm = alloc_algorithm_a; |
| 70 | the_bts.bts_data()->trx[0].pdch[2].enable(); |
| 71 | the_bts.bts_data()->trx[0].pdch[3].enable(); |
| 72 | |
| 73 | /* |
| 74 | * Make a uplink and downlink allocation |
| 75 | */ |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 76 | gprs_rlcmac_tbf *dl_tbf = tbf_alloc_dl_tbf(the_bts.bts_data(), |
| 77 | NULL, 0, |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 78 | 0, 0, 0); |
| 79 | dl_tbf->update_tlli(0x2342); |
Jacob Erlbeck | be0cbc1 | 2015-05-18 14:35:11 +0200 | [diff] [blame] | 80 | dl_tbf->update_ms(0x2342, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 81 | dl_tbf->set_ta(4); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 82 | |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 83 | gprs_rlcmac_tbf *ul_tbf = tbf_alloc_ul_tbf(the_bts.bts_data(), |
Jacob Erlbeck | 801d6fe | 2015-05-04 09:44:19 +0200 | [diff] [blame] | 84 | dl_tbf, 0, |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 85 | 0, 0, 0); |
| 86 | ul_tbf->update_tlli(0x2342); |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 87 | ul_tbf->update_ms(0x2342, GPRS_RLCMAC_UL_TBF); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 88 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 89 | ms = the_bts.ms_by_tlli(0x2342); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 90 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 91 | OSMO_ASSERT(ms != NULL); |
| 92 | OSMO_ASSERT(ms->dl_tbf() == dl_tbf); |
| 93 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 94 | |
| 95 | /* |
| 96 | * Now check.. that DL changes and that the timing advance |
| 97 | * has changed. |
| 98 | */ |
| 99 | dl_tbf->update_tlli(0x4232); |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 100 | dl_tbf->update_ms(0x4232, GPRS_RLCMAC_DL_TBF); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 101 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 102 | /* It is still there, since the new TLLI has not been used for UL yet */ |
| 103 | ms_new = the_bts.ms_by_tlli(0x2342); |
| 104 | OSMO_ASSERT(ms == ms_new); |
| 105 | |
| 106 | ms_new = the_bts.ms_by_tlli(0x4232); |
| 107 | OSMO_ASSERT(ms == ms_new); |
| 108 | OSMO_ASSERT(ms->dl_tbf() == dl_tbf); |
| 109 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 110 | |
| 111 | /* Now use the new TLLI for UL */ |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 112 | ul_tbf->update_ms(0x4232, GPRS_RLCMAC_UL_TBF); |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 113 | ms_new = the_bts.ms_by_tlli(0x2342); |
| 114 | OSMO_ASSERT(ms_new == NULL); |
Holger Hans Peter Freyther | bc1626e | 2013-10-30 19:50:49 +0100 | [diff] [blame] | 115 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 116 | ms_new = the_bts.ms_by_tlli(0x4232); |
| 117 | OSMO_ASSERT(ms_new != NULL); |
| 118 | OSMO_ASSERT(ms_new->ta() == 4); |
| 119 | |
| 120 | OSMO_ASSERT(ul_tbf->ta() == 4); |
| 121 | OSMO_ASSERT(dl_tbf->ta() == 4); |
| 122 | |
| 123 | ul_tbf->set_ta(6); |
| 124 | |
| 125 | OSMO_ASSERT(ul_tbf->ta() == 6); |
| 126 | OSMO_ASSERT(dl_tbf->ta() == 6); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 127 | } |
| 128 | |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 129 | static uint8_t llc_data[200]; |
| 130 | |
| 131 | int pcu_sock_send(struct msgb *msg) |
| 132 | { |
| 133 | return 0; |
| 134 | } |
| 135 | |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 136 | static void setup_bts(BTS *the_bts, uint8_t ts_no) |
| 137 | { |
| 138 | gprs_rlcmac_bts *bts; |
| 139 | gprs_rlcmac_trx *trx; |
| 140 | |
| 141 | bts = the_bts->bts_data(); |
| 142 | bts->alloc_algorithm = alloc_algorithm_a; |
| 143 | trx = &bts->trx[0]; |
| 144 | |
| 145 | trx->pdch[ts_no].enable(); |
| 146 | } |
| 147 | |
| 148 | static gprs_rlcmac_dl_tbf *create_dl_tbf(BTS *the_bts, uint8_t ms_class, |
| 149 | uint8_t *trx_no_) |
| 150 | { |
| 151 | gprs_rlcmac_bts *bts; |
| 152 | int tfi; |
| 153 | uint8_t trx_no; |
| 154 | |
| 155 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 156 | |
| 157 | bts = the_bts->bts_data(); |
| 158 | |
| 159 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_DL_TBF, &trx_no, -1); |
| 160 | OSMO_ASSERT(tfi >= 0); |
| 161 | dl_tbf = tbf_alloc_dl_tbf(bts, NULL, tfi, trx_no, ms_class, 1); |
| 162 | check_tbf(dl_tbf); |
| 163 | |
| 164 | /* "Establish" the DL TBF */ |
| 165 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_SEND_ASS; |
| 166 | dl_tbf->set_state(GPRS_RLCMAC_FLOW); |
| 167 | dl_tbf->m_wait_confirm = 0; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 168 | check_tbf(dl_tbf); |
| 169 | |
| 170 | *trx_no_ = trx_no; |
| 171 | |
| 172 | return dl_tbf; |
| 173 | } |
| 174 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 175 | static void send_rlc_block(struct gprs_rlcmac_bts *bts, |
| 176 | uint8_t trx_no, uint8_t ts_no, uint16_t arfcn, |
| 177 | uint32_t *fn, uint8_t *block_nr) |
| 178 | { |
| 179 | gprs_rlcmac_rcv_rts_block(bts, trx_no, ts_no, 0, *fn, *block_nr); |
| 180 | *fn += 4; |
| 181 | if ((*fn % 13) == 12) |
| 182 | *fn += 1; |
| 183 | *block_nr += 1; |
| 184 | } |
| 185 | |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 186 | enum test_tbf_final_ack_mode { |
| 187 | TEST_MODE_STANDARD, |
| 188 | TEST_MODE_REVERSE_FREE |
| 189 | }; |
| 190 | |
| 191 | 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] | 192 | { |
| 193 | BTS the_bts; |
| 194 | gprs_rlcmac_bts *bts; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 195 | uint8_t ts_no = 4; |
| 196 | unsigned i; |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 197 | uint8_t ms_class = 45; |
| 198 | uint32_t fn; |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 199 | uint8_t block_nr; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 200 | uint8_t trx_no; |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 201 | GprsMs *ms; |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 202 | uint32_t tlli = 0xffeeddcc; |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 203 | |
| 204 | uint8_t rbb[64/8]; |
| 205 | |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 206 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 207 | gprs_rlcmac_tbf *new_tbf; |
| 208 | |
| 209 | bts = the_bts.bts_data(); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 210 | |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 211 | setup_bts(&the_bts, ts_no); |
| 212 | dl_tbf = create_dl_tbf(&the_bts, ms_class, &trx_no); |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 213 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 214 | ms = dl_tbf->ms(); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 215 | |
| 216 | for (i = 0; i < sizeof(llc_data); i++) |
| 217 | llc_data[i] = i%256; |
| 218 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 219 | /* Schedule two LLC frames */ |
Daniel Willmann | 0f58af6 | 2014-09-19 11:57:21 +0200 | [diff] [blame] | 220 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 221 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 222 | |
| 223 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 224 | /* Send only a few RLC/MAC blocks */ |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 225 | fn = 0; |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 226 | block_nr = 0; |
| 227 | while (block_nr < 3) { |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 228 | /* Request to send one block */ |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 229 | send_rlc_block(bts, trx_no, ts_no, 0, &fn, &block_nr); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 230 | } |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 231 | OSMO_ASSERT(dl_tbf->have_data()); |
| 232 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 233 | |
| 234 | /* Queue a final ACK */ |
| 235 | memset(rbb, 0, sizeof(rbb)); |
| 236 | /* Receive a final ACK */ |
| 237 | dl_tbf->rcvd_dl_ack(1, 1, rbb); |
| 238 | |
| 239 | /* Clean up and ensure tbfs are in the correct state */ |
| 240 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 241 | new_tbf = ms->dl_tbf(); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 242 | check_tbf(new_tbf); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 243 | OSMO_ASSERT(new_tbf != dl_tbf); |
| 244 | OSMO_ASSERT(new_tbf->tfi() == 1); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 245 | check_tbf(dl_tbf); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 246 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 247 | if (test_mode == TEST_MODE_REVERSE_FREE) { |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 248 | GprsMs::Guard guard(ms); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 249 | tbf_free(new_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 250 | OSMO_ASSERT(ms->dl_tbf() == NULL); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 251 | check_tbf(dl_tbf); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 252 | tbf_free(dl_tbf); |
| 253 | } else { |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 254 | GprsMs::Guard guard(ms); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 255 | tbf_free(dl_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 256 | OSMO_ASSERT(ms->dl_tbf() == new_tbf); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 257 | check_tbf(new_tbf); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 258 | tbf_free(new_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 259 | OSMO_ASSERT(ms->dl_tbf() == NULL); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 260 | } |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 261 | } |
| 262 | |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 263 | static void test_tbf_delayed_release() |
| 264 | { |
| 265 | BTS the_bts; |
| 266 | gprs_rlcmac_bts *bts; |
| 267 | uint8_t ts_no = 4; |
| 268 | unsigned i; |
| 269 | uint8_t ms_class = 45; |
| 270 | uint32_t fn = 0; |
| 271 | uint8_t block_nr = 0; |
| 272 | uint8_t trx_no; |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 273 | uint32_t tlli = 0xffeeddcc; |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 274 | |
| 275 | uint8_t rbb[64/8]; |
| 276 | |
| 277 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 278 | |
| 279 | printf("=== start %s ===\n", __func__); |
| 280 | |
| 281 | bts = the_bts.bts_data(); |
| 282 | |
| 283 | setup_bts(&the_bts, ts_no); |
| 284 | bts->dl_tbf_idle_msec = 200; |
| 285 | |
| 286 | dl_tbf = create_dl_tbf(&the_bts, ms_class, &trx_no); |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 287 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 288 | |
| 289 | for (i = 0; i < sizeof(llc_data); i++) |
| 290 | llc_data[i] = i%256; |
| 291 | |
| 292 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 293 | |
| 294 | /* Schedule two LLC frames */ |
| 295 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 296 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 297 | |
| 298 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 299 | |
| 300 | /* Drain the queue */ |
| 301 | while (dl_tbf->have_data()) |
| 302 | /* Request to send one RLC/MAC block */ |
| 303 | send_rlc_block(bts, trx_no, ts_no, 0, &fn, &block_nr); |
| 304 | |
| 305 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 306 | |
| 307 | /* ACK all blocks */ |
| 308 | memset(rbb, 0xff, sizeof(rbb)); |
| 309 | /* Receive an ACK */ |
| 310 | dl_tbf->rcvd_dl_ack(0, dl_tbf->m_window.v_s(), rbb); |
| 311 | OSMO_ASSERT(dl_tbf->m_window.window_empty()); |
| 312 | |
| 313 | /* Force sending of a single block containing an LLC dummy command */ |
| 314 | send_rlc_block(bts, trx_no, ts_no, 0, &fn, &block_nr); |
| 315 | |
| 316 | /* Receive an ACK */ |
| 317 | dl_tbf->rcvd_dl_ack(0, dl_tbf->m_window.v_s(), rbb); |
| 318 | OSMO_ASSERT(dl_tbf->m_window.window_empty()); |
| 319 | |
| 320 | /* Timeout (make sure fn % 52 remains valid) */ |
| 321 | fn += 52 * ((msecs_to_frames(bts->dl_tbf_idle_msec + 100) + 51)/ 52); |
| 322 | send_rlc_block(bts, trx_no, ts_no, 0, &fn, &block_nr); |
| 323 | |
| 324 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FINISHED)); |
| 325 | |
| 326 | /* Receive a final ACK */ |
| 327 | dl_tbf->rcvd_dl_ack(1, dl_tbf->m_window.v_s(), rbb); |
| 328 | |
| 329 | /* Clean up and ensure tbfs are in the correct state */ |
| 330 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 331 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 332 | check_tbf(dl_tbf); |
| 333 | tbf_free(dl_tbf); |
| 334 | printf("=== end %s ===\n", __func__); |
| 335 | } |
| 336 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 337 | static void test_tbf_imsi() |
| 338 | { |
| 339 | BTS the_bts; |
| 340 | uint8_t ts_no = 4; |
| 341 | uint8_t ms_class = 45; |
| 342 | uint8_t trx_no; |
| 343 | GprsMs *ms1, *ms2; |
| 344 | |
| 345 | gprs_rlcmac_dl_tbf *dl_tbf[2]; |
| 346 | |
| 347 | printf("=== start %s ===\n", __func__); |
| 348 | |
| 349 | setup_bts(&the_bts, ts_no); |
| 350 | |
| 351 | dl_tbf[0] = create_dl_tbf(&the_bts, ms_class, &trx_no); |
| 352 | dl_tbf[1] = create_dl_tbf(&the_bts, ms_class, &trx_no); |
| 353 | |
| 354 | dl_tbf[0]->update_ms(0xf1000001, GPRS_RLCMAC_DL_TBF); |
| 355 | dl_tbf[1]->update_ms(0xf1000002, GPRS_RLCMAC_DL_TBF); |
| 356 | |
| 357 | dl_tbf[0]->assign_imsi("001001000000001"); |
| 358 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000001"); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 359 | OSMO_ASSERT(ms1 != NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 360 | ms2 = the_bts.ms_store().get_ms(0xf1000001); |
| 361 | OSMO_ASSERT(ms2 != NULL); |
| 362 | OSMO_ASSERT(strcmp(ms2->imsi(), "001001000000001") == 0); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 363 | OSMO_ASSERT(ms1 == ms2); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 364 | |
| 365 | /* change the IMSI on TBF 0 */ |
| 366 | dl_tbf[0]->assign_imsi("001001000000002"); |
| 367 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000001"); |
| 368 | OSMO_ASSERT(ms1 == NULL); |
| 369 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 370 | OSMO_ASSERT(ms1 != NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 371 | OSMO_ASSERT(strcmp(ms2->imsi(), "001001000000002") == 0); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 372 | OSMO_ASSERT(ms1 == ms2); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 373 | |
| 374 | /* use the same IMSI on TBF 2 */ |
| 375 | dl_tbf[1]->assign_imsi("001001000000002"); |
| 376 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 377 | OSMO_ASSERT(ms1 != NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 378 | OSMO_ASSERT(ms1 != ms2); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 379 | OSMO_ASSERT(strcmp(ms1->imsi(), "001001000000002") == 0); |
| 380 | OSMO_ASSERT(strcmp(ms2->imsi(), "") == 0); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 381 | |
| 382 | tbf_free(dl_tbf[1]); |
| 383 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
| 384 | OSMO_ASSERT(ms1 == NULL); |
| 385 | |
| 386 | tbf_free(dl_tbf[0]); |
| 387 | printf("=== end %s ===\n", __func__); |
| 388 | } |
| 389 | |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 390 | static void test_tbf_exhaustion() |
| 391 | { |
| 392 | BTS the_bts; |
| 393 | gprs_rlcmac_bts *bts; |
| 394 | unsigned i; |
| 395 | uint8_t ts_no = 4; |
| 396 | uint8_t ms_class = 45; |
| 397 | int rc = 0; |
| 398 | |
| 399 | uint8_t buf[256] = {0}; |
| 400 | |
| 401 | printf("=== start %s ===\n", __func__); |
| 402 | |
| 403 | bts = the_bts.bts_data(); |
| 404 | setup_bts(&the_bts, ts_no); |
| 405 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 406 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 407 | |
| 408 | for (i = 0; i < 1024; i++) { |
| 409 | uint32_t tlli = 0xc0000000 + i; |
| 410 | char imsi[16] = {0}; |
| 411 | unsigned delay_csec = 1000; |
| 412 | |
Jacob Erlbeck | 9a2845d | 2015-05-21 12:06:58 +0200 | [diff] [blame] | 413 | snprintf(imsi, sizeof(imsi), "001001%09d", i); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 414 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 415 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 416 | delay_csec, buf, sizeof(buf)); |
| 417 | |
| 418 | if (rc < 0) |
| 419 | break; |
| 420 | } |
| 421 | |
| 422 | OSMO_ASSERT(rc == -EBUSY); |
| 423 | printf("=== end %s ===\n", __func__); |
| 424 | |
| 425 | gprs_bssgp_destroy(); |
| 426 | } |
| 427 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 428 | static void test_tbf_single_phase() |
| 429 | { |
| 430 | BTS the_bts; |
| 431 | GprsMs *ms; |
| 432 | int ts_no = 7; |
| 433 | uint32_t fn = 2654167; /* 17,25,9 */ |
| 434 | uint16_t qta = 31; |
| 435 | uint8_t trx_no = 0; |
| 436 | int tfi = 0; |
| 437 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 438 | struct gprs_rlcmac_pdch *pdch; |
| 439 | |
| 440 | printf("=== start %s ===\n", __func__); |
| 441 | |
| 442 | setup_bts(&the_bts, ts_no); |
| 443 | tfi = the_bts.tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| 444 | |
| 445 | the_bts.rcv_rach(0x03, fn, qta); |
| 446 | |
| 447 | ul_tbf = the_bts.ul_tbf_by_tfi(tfi, trx_no); |
| 448 | OSMO_ASSERT(ul_tbf != NULL); |
| 449 | |
| 450 | fprintf(stderr, "Got '%s', TA=%d\n", |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 451 | ul_tbf->name(), ul_tbf->ta()); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 452 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 453 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 454 | |
| 455 | uint8_t data_msg[23] = { |
| 456 | 0x00, /* GPRS_RLCMAC_DATA_BLOCK << 6 */ |
| 457 | uint8_t(1 | (tfi << 2)), |
| 458 | uint8_t(1), /* BSN:7, E:1 */ |
| 459 | 0xf1, 0x22, 0x33, 0x44, /* TLLI */ |
| 460 | }; |
| 461 | |
| 462 | pdch = &the_bts.bts_data()->trx[trx_no].pdch[ts_no]; |
| 463 | pdch->rcv_block(&data_msg[0], sizeof(data_msg), fn, 0); |
| 464 | |
| 465 | ms = the_bts.ms_by_tlli(0xf1223344); |
| 466 | OSMO_ASSERT(ms != NULL); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 467 | fprintf(stderr, "Got MS: TLLI = 0x%08x, TA = %d\n", ms->tlli(), ms->ta()); |
| 468 | OSMO_ASSERT(ms->ta() == qta/4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 469 | |
| 470 | printf("=== end %s ===\n", __func__); |
| 471 | } |
| 472 | |
| 473 | static void test_tbf_two_phase() |
| 474 | { |
| 475 | BTS the_bts; |
| 476 | GprsMs *ms; |
| 477 | int ts_no = 7; |
| 478 | uint32_t rach_fn = 2654167; /* 17,25,9 */ |
| 479 | uint32_t rts_fn = 2654218; |
| 480 | uint8_t rts_bn = 8; |
| 481 | uint16_t qta = 31; |
| 482 | uint8_t trx_no = 0; |
| 483 | int tfi = 0; |
| 484 | const uint32_t tlli = 0xf1223344; |
| 485 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 486 | struct gprs_rlcmac_pdch *pdch; |
| 487 | gprs_rlcmac_bts *bts; |
| 488 | RlcMacUplink_t ulreq = {0}; |
| 489 | bitvec *rlc_block; |
| 490 | uint8_t buf[64]; |
| 491 | int num_bytes; |
| 492 | |
| 493 | printf("=== start %s ===\n", __func__); |
| 494 | |
| 495 | setup_bts(&the_bts, ts_no); |
| 496 | bts = the_bts.bts_data(); |
| 497 | |
| 498 | /* needed to set last_rts_fn in the PDCH object */ |
| 499 | send_rlc_block(bts, trx_no, ts_no, 0, &rts_fn, &rts_bn); |
| 500 | |
| 501 | /* simulate RACH, this sends an Immediate Assignment Uplink on the AGCH */ |
| 502 | the_bts.rcv_rach(0x73, rach_fn, qta); |
| 503 | |
| 504 | /* get next free TFI */ |
| 505 | tfi = the_bts.tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| 506 | |
| 507 | /* fake a resource request */ |
| 508 | rlc_block = bitvec_alloc(23); |
| 509 | |
| 510 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 511 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 512 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 513 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
| 514 | |
| 515 | encode_gsm_rlcmac_uplink(rlc_block, &ulreq); |
| 516 | num_bytes = bitvec_pack(rlc_block, &buf[0]); |
| 517 | OSMO_ASSERT(size_t(num_bytes) < sizeof(buf)); |
| 518 | bitvec_free(rlc_block); |
| 519 | |
| 520 | pdch = &the_bts.bts_data()->trx[trx_no].pdch[ts_no]; |
| 521 | pdch->rcv_block(&buf[0], num_bytes, 2654270, 31); |
| 522 | |
| 523 | /* check the TBF */ |
| 524 | ul_tbf = the_bts.ul_tbf_by_tfi(tfi, trx_no); |
| 525 | OSMO_ASSERT(ul_tbf != NULL); |
| 526 | |
| 527 | fprintf(stderr, "Got '%s', TA=%d\n", |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 528 | ul_tbf->name(), ul_tbf->ta()); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 529 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 530 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 531 | |
| 532 | /* send packet uplink assignment */ |
| 533 | rts_fn += 52; |
| 534 | rts_bn += 12; |
| 535 | send_rlc_block(bts, trx_no, ts_no, 0, &rts_fn, &rts_bn); |
| 536 | |
| 537 | /* send fake data */ |
| 538 | uint8_t data_msg[23] = { |
| 539 | 0x00, /* GPRS_RLCMAC_DATA_BLOCK << 6 */ |
| 540 | uint8_t(0 | (tfi << 2)), |
| 541 | uint8_t(1), /* BSN:7, E:1 */ |
| 542 | }; |
| 543 | |
| 544 | pdch->rcv_block(&data_msg[0], sizeof(data_msg), rts_fn, 31); |
| 545 | |
| 546 | ms = the_bts.ms_by_tlli(0xf1223344); |
| 547 | OSMO_ASSERT(ms != NULL); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 548 | fprintf(stderr, "Got MS: TLLI = 0x%08x, TA = %d\n", ms->tlli(), ms->ta()); |
| 549 | OSMO_ASSERT(ms->ta() == qta/4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 550 | |
| 551 | printf("=== end %s ===\n", __func__); |
| 552 | } |
| 553 | |
| 554 | |
Daniel Willmann | 341689d | 2014-06-11 18:33:14 +0200 | [diff] [blame] | 555 | static const struct log_info_cat default_categories[] = { |
| 556 | {"DCSN1", "\033[1;31m", "Concrete Syntax Notation One (CSN1)", LOGL_INFO, 0}, |
| 557 | {"DL1IF", "\033[1;32m", "GPRS PCU L1 interface (L1IF)", LOGL_DEBUG, 1}, |
| 558 | {"DRLCMAC", "\033[0;33m", "GPRS RLC/MAC layer (RLCMAC)", LOGL_DEBUG, 1}, |
| 559 | {"DRLCMACDATA", "\033[0;33m", "GPRS RLC/MAC layer Data (RLCMAC)", LOGL_DEBUG, 1}, |
| 560 | {"DRLCMACDL", "\033[1;33m", "GPRS RLC/MAC layer Downlink (RLCMAC)", LOGL_DEBUG, 1}, |
| 561 | {"DRLCMACUL", "\033[1;36m", "GPRS RLC/MAC layer Uplink (RLCMAC)", LOGL_DEBUG, 1}, |
| 562 | {"DRLCMACSCHED", "\033[0;36m", "GPRS RLC/MAC layer Scheduling (RLCMAC)", LOGL_DEBUG, 1}, |
| 563 | {"DRLCMACMEAS", "\033[1;31m", "GPRS RLC/MAC layer Measurements (RLCMAC)", LOGL_INFO, 1}, |
| 564 | {"DBSSGP","\033[1;34m", "GPRS BSS Gateway Protocol (BSSGP)", LOGL_INFO , 1}, |
| 565 | {"DPCU", "\033[1;35m", "GPRS Packet Control Unit (PCU)", LOGL_NOTICE, 1}, |
| 566 | }; |
| 567 | |
| 568 | static int filter_fn(const struct log_context *ctx, |
| 569 | struct log_target *tar) |
| 570 | { |
| 571 | return 1; |
| 572 | } |
| 573 | |
| 574 | const struct log_info debug_log_info = { |
| 575 | filter_fn, |
| 576 | (struct log_info_cat*)default_categories, |
| 577 | ARRAY_SIZE(default_categories), |
| 578 | }; |
| 579 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 580 | int main(int argc, char **argv) |
| 581 | { |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 582 | struct vty_app_info pcu_vty_info = {0}; |
| 583 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 584 | tall_pcu_ctx = talloc_named_const(NULL, 1, "moiji-mobile TbfTest context"); |
| 585 | if (!tall_pcu_ctx) |
| 586 | abort(); |
| 587 | |
| 588 | msgb_set_talloc_ctx(tall_pcu_ctx); |
Daniel Willmann | 341689d | 2014-06-11 18:33:14 +0200 | [diff] [blame] | 589 | osmo_init_logging(&debug_log_info); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 590 | log_set_use_color(osmo_stderr_target, 0); |
| 591 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 592 | bssgp_set_log_ss(DBSSGP); |
| 593 | |
| 594 | vty_init(&pcu_vty_info); |
| 595 | pcu_vty_init(&debug_log_info); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 596 | |
| 597 | test_tbf_tlli_update(); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 598 | test_tbf_final_ack(TEST_MODE_STANDARD); |
| 599 | test_tbf_final_ack(TEST_MODE_REVERSE_FREE); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 600 | test_tbf_delayed_release(); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 601 | test_tbf_imsi(); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 602 | test_tbf_exhaustion(); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 603 | test_tbf_single_phase(); |
| 604 | test_tbf_two_phase(); |
Jacob Erlbeck | 67c3850 | 2015-05-11 10:32:40 +0200 | [diff] [blame] | 605 | |
| 606 | if (getenv("TALLOC_REPORT_FULL")) |
| 607 | talloc_report_full(tall_pcu_ctx, stderr); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 608 | return EXIT_SUCCESS; |
| 609 | } |
| 610 | |
| 611 | /* |
| 612 | * stubs that should not be reached |
| 613 | */ |
| 614 | extern "C" { |
| 615 | void l1if_pdch_req() { abort(); } |
| 616 | void l1if_connect_pdch() { abort(); } |
| 617 | void l1if_close_pdch() { abort(); } |
| 618 | void l1if_open_pdch() { abort(); } |
| 619 | } |