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 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 84 | the_bts.bts_data()->alloc_algorithm = alloc_algorithm_a; |
| 85 | the_bts.bts_data()->trx[0].pdch[2].enable(); |
| 86 | the_bts.bts_data()->trx[0].pdch[3].enable(); |
| 87 | |
| 88 | /* |
| 89 | * Make a uplink and downlink allocation |
| 90 | */ |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 91 | 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] | 92 | NULL, |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 93 | 0, 0, 0); |
Jacob Erlbeck | c6d4cee | 2015-06-29 13:03:46 +0200 | [diff] [blame] | 94 | OSMO_ASSERT(dl_tbf != NULL); |
Jacob Erlbeck | be0cbc1 | 2015-05-18 14:35:11 +0200 | [diff] [blame] | 95 | dl_tbf->update_ms(0x2342, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 96 | dl_tbf->set_ta(4); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 97 | |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 98 | 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] | 99 | dl_tbf->ms(), |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 100 | 0, 0, 0); |
Jacob Erlbeck | c6d4cee | 2015-06-29 13:03:46 +0200 | [diff] [blame] | 101 | OSMO_ASSERT(ul_tbf != NULL); |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 102 | ul_tbf->update_ms(0x2342, GPRS_RLCMAC_UL_TBF); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 103 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 104 | ms = the_bts.ms_by_tlli(0x2342); |
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 | OSMO_ASSERT(ms != NULL); |
| 107 | OSMO_ASSERT(ms->dl_tbf() == dl_tbf); |
| 108 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 109 | |
| 110 | /* |
| 111 | * Now check.. that DL changes and that the timing advance |
| 112 | * has changed. |
| 113 | */ |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 114 | dl_tbf->update_ms(0x4232, GPRS_RLCMAC_DL_TBF); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 115 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 116 | /* It is still there, since the new TLLI has not been used for UL yet */ |
| 117 | ms_new = the_bts.ms_by_tlli(0x2342); |
| 118 | OSMO_ASSERT(ms == ms_new); |
| 119 | |
| 120 | ms_new = the_bts.ms_by_tlli(0x4232); |
| 121 | OSMO_ASSERT(ms == ms_new); |
| 122 | OSMO_ASSERT(ms->dl_tbf() == dl_tbf); |
| 123 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 124 | |
| 125 | /* Now use the new TLLI for UL */ |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 126 | ul_tbf->update_ms(0x4232, GPRS_RLCMAC_UL_TBF); |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 127 | ms_new = the_bts.ms_by_tlli(0x2342); |
| 128 | OSMO_ASSERT(ms_new == NULL); |
Holger Hans Peter Freyther | bc1626e | 2013-10-30 19:50:49 +0100 | [diff] [blame] | 129 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 130 | ms_new = the_bts.ms_by_tlli(0x4232); |
| 131 | OSMO_ASSERT(ms_new != NULL); |
| 132 | OSMO_ASSERT(ms_new->ta() == 4); |
| 133 | |
| 134 | OSMO_ASSERT(ul_tbf->ta() == 4); |
| 135 | OSMO_ASSERT(dl_tbf->ta() == 4); |
| 136 | |
| 137 | ul_tbf->set_ta(6); |
| 138 | |
| 139 | OSMO_ASSERT(ul_tbf->ta() == 6); |
| 140 | OSMO_ASSERT(dl_tbf->ta() == 6); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 141 | } |
| 142 | |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 143 | static uint8_t llc_data[200]; |
| 144 | |
| 145 | int pcu_sock_send(struct msgb *msg) |
| 146 | { |
| 147 | return 0; |
| 148 | } |
| 149 | |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 150 | 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] | 151 | { |
| 152 | gprs_rlcmac_bts *bts; |
| 153 | gprs_rlcmac_trx *trx; |
| 154 | |
| 155 | bts = the_bts->bts_data(); |
| 156 | bts->alloc_algorithm = alloc_algorithm_a; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 157 | bts->initial_cs_dl = cs; |
| 158 | bts->initial_cs_ul = cs; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 159 | trx = &bts->trx[0]; |
| 160 | |
| 161 | trx->pdch[ts_no].enable(); |
| 162 | } |
| 163 | |
| 164 | static gprs_rlcmac_dl_tbf *create_dl_tbf(BTS *the_bts, uint8_t ms_class, |
| 165 | uint8_t *trx_no_) |
| 166 | { |
| 167 | gprs_rlcmac_bts *bts; |
| 168 | int tfi; |
| 169 | uint8_t trx_no; |
| 170 | |
| 171 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 172 | |
| 173 | bts = the_bts->bts_data(); |
| 174 | |
| 175 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_DL_TBF, &trx_no, -1); |
| 176 | OSMO_ASSERT(tfi >= 0); |
Jacob Erlbeck | 5879c64 | 2015-07-10 10:41:36 +0200 | [diff] [blame] | 177 | dl_tbf = tbf_alloc_dl_tbf(bts, NULL, trx_no, ms_class, 1); |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 178 | check_tbf(dl_tbf); |
| 179 | |
| 180 | /* "Establish" the DL TBF */ |
| 181 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_SEND_ASS; |
| 182 | dl_tbf->set_state(GPRS_RLCMAC_FLOW); |
| 183 | dl_tbf->m_wait_confirm = 0; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 184 | check_tbf(dl_tbf); |
| 185 | |
| 186 | *trx_no_ = trx_no; |
| 187 | |
| 188 | return dl_tbf; |
| 189 | } |
| 190 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 191 | static unsigned fn2bn(unsigned fn) |
| 192 | { |
| 193 | return (fn % 52) / 4; |
| 194 | } |
| 195 | |
| 196 | static unsigned fn_add_blocks(unsigned fn, unsigned blocks) |
| 197 | { |
| 198 | unsigned bn = fn2bn(fn) + blocks; |
| 199 | fn = fn - (fn % 52); |
| 200 | fn += bn * 4 + bn / 3; |
| 201 | return fn % 2715648; |
| 202 | } |
| 203 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 204 | static void send_rlc_block(struct gprs_rlcmac_bts *bts, |
| 205 | uint8_t trx_no, uint8_t ts_no, uint16_t arfcn, |
| 206 | uint32_t *fn, uint8_t *block_nr) |
| 207 | { |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame^] | 208 | gprs_rlcmac_rcv_rts_block(bts, trx_no, ts_no, arfcn, *fn, *block_nr); |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 209 | *fn = fn_add_blocks(*fn, 1); |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 210 | *block_nr += 1; |
| 211 | } |
| 212 | |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 213 | enum test_tbf_final_ack_mode { |
| 214 | TEST_MODE_STANDARD, |
| 215 | TEST_MODE_REVERSE_FREE |
| 216 | }; |
| 217 | |
| 218 | 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] | 219 | { |
| 220 | BTS the_bts; |
| 221 | gprs_rlcmac_bts *bts; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 222 | uint8_t ts_no = 4; |
| 223 | unsigned i; |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 224 | uint8_t ms_class = 45; |
| 225 | uint32_t fn; |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 226 | uint8_t block_nr; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 227 | uint8_t trx_no; |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 228 | GprsMs *ms; |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 229 | uint32_t tlli = 0xffeeddcc; |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 230 | |
| 231 | uint8_t rbb[64/8]; |
| 232 | |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 233 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 234 | gprs_rlcmac_tbf *new_tbf; |
| 235 | |
| 236 | bts = the_bts.bts_data(); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 237 | |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 238 | setup_bts(&the_bts, ts_no); |
| 239 | dl_tbf = create_dl_tbf(&the_bts, ms_class, &trx_no); |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 240 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 241 | ms = dl_tbf->ms(); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 242 | |
| 243 | for (i = 0; i < sizeof(llc_data); i++) |
| 244 | llc_data[i] = i%256; |
| 245 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 246 | /* Schedule two LLC frames */ |
Daniel Willmann | 0f58af6 | 2014-09-19 11:57:21 +0200 | [diff] [blame] | 247 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 248 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 249 | |
| 250 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 251 | /* Send only a few RLC/MAC blocks */ |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 252 | fn = 0; |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 253 | block_nr = 0; |
| 254 | while (block_nr < 3) { |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 255 | /* Request to send one block */ |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 256 | send_rlc_block(bts, trx_no, ts_no, 0, &fn, &block_nr); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 257 | } |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 258 | OSMO_ASSERT(dl_tbf->have_data()); |
| 259 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 260 | |
| 261 | /* Queue a final ACK */ |
| 262 | memset(rbb, 0, sizeof(rbb)); |
| 263 | /* Receive a final ACK */ |
| 264 | dl_tbf->rcvd_dl_ack(1, 1, rbb); |
| 265 | |
| 266 | /* Clean up and ensure tbfs are in the correct state */ |
| 267 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 268 | new_tbf = ms->dl_tbf(); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 269 | check_tbf(new_tbf); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 270 | OSMO_ASSERT(new_tbf != dl_tbf); |
| 271 | OSMO_ASSERT(new_tbf->tfi() == 1); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 272 | check_tbf(dl_tbf); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 273 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 274 | if (test_mode == TEST_MODE_REVERSE_FREE) { |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 275 | GprsMs::Guard guard(ms); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 276 | tbf_free(new_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 277 | OSMO_ASSERT(ms->dl_tbf() == NULL); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 278 | check_tbf(dl_tbf); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 279 | tbf_free(dl_tbf); |
| 280 | } else { |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 281 | GprsMs::Guard guard(ms); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 282 | tbf_free(dl_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 283 | OSMO_ASSERT(ms->dl_tbf() == new_tbf); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 284 | check_tbf(new_tbf); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 285 | tbf_free(new_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 286 | OSMO_ASSERT(ms->dl_tbf() == NULL); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 287 | } |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 288 | } |
| 289 | |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 290 | static void test_tbf_delayed_release() |
| 291 | { |
| 292 | BTS the_bts; |
| 293 | gprs_rlcmac_bts *bts; |
| 294 | uint8_t ts_no = 4; |
| 295 | unsigned i; |
| 296 | uint8_t ms_class = 45; |
| 297 | uint32_t fn = 0; |
| 298 | uint8_t block_nr = 0; |
| 299 | uint8_t trx_no; |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 300 | uint32_t tlli = 0xffeeddcc; |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 301 | |
| 302 | uint8_t rbb[64/8]; |
| 303 | |
| 304 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 305 | |
| 306 | printf("=== start %s ===\n", __func__); |
| 307 | |
| 308 | bts = the_bts.bts_data(); |
| 309 | |
| 310 | setup_bts(&the_bts, ts_no); |
| 311 | bts->dl_tbf_idle_msec = 200; |
| 312 | |
| 313 | dl_tbf = create_dl_tbf(&the_bts, ms_class, &trx_no); |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 314 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 315 | |
| 316 | for (i = 0; i < sizeof(llc_data); i++) |
| 317 | llc_data[i] = i%256; |
| 318 | |
| 319 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 320 | |
| 321 | /* Schedule two LLC frames */ |
| 322 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 323 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 324 | |
| 325 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 326 | |
| 327 | /* Drain the queue */ |
| 328 | while (dl_tbf->have_data()) |
| 329 | /* Request to send one RLC/MAC block */ |
| 330 | send_rlc_block(bts, trx_no, ts_no, 0, &fn, &block_nr); |
| 331 | |
| 332 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 333 | |
| 334 | /* ACK all blocks */ |
| 335 | memset(rbb, 0xff, sizeof(rbb)); |
| 336 | /* Receive an ACK */ |
| 337 | dl_tbf->rcvd_dl_ack(0, dl_tbf->m_window.v_s(), rbb); |
| 338 | OSMO_ASSERT(dl_tbf->m_window.window_empty()); |
| 339 | |
| 340 | /* Force sending of a single block containing an LLC dummy command */ |
| 341 | send_rlc_block(bts, trx_no, ts_no, 0, &fn, &block_nr); |
| 342 | |
| 343 | /* Receive an ACK */ |
| 344 | dl_tbf->rcvd_dl_ack(0, dl_tbf->m_window.v_s(), rbb); |
| 345 | OSMO_ASSERT(dl_tbf->m_window.window_empty()); |
| 346 | |
| 347 | /* Timeout (make sure fn % 52 remains valid) */ |
| 348 | fn += 52 * ((msecs_to_frames(bts->dl_tbf_idle_msec + 100) + 51)/ 52); |
| 349 | send_rlc_block(bts, trx_no, ts_no, 0, &fn, &block_nr); |
| 350 | |
| 351 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FINISHED)); |
| 352 | |
| 353 | /* Receive a final ACK */ |
| 354 | dl_tbf->rcvd_dl_ack(1, dl_tbf->m_window.v_s(), rbb); |
| 355 | |
| 356 | /* Clean up and ensure tbfs are in the correct state */ |
| 357 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 358 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 359 | check_tbf(dl_tbf); |
| 360 | tbf_free(dl_tbf); |
| 361 | printf("=== end %s ===\n", __func__); |
| 362 | } |
| 363 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 364 | static void test_tbf_imsi() |
| 365 | { |
| 366 | BTS the_bts; |
| 367 | uint8_t ts_no = 4; |
| 368 | uint8_t ms_class = 45; |
| 369 | uint8_t trx_no; |
| 370 | GprsMs *ms1, *ms2; |
| 371 | |
| 372 | gprs_rlcmac_dl_tbf *dl_tbf[2]; |
| 373 | |
| 374 | printf("=== start %s ===\n", __func__); |
| 375 | |
| 376 | setup_bts(&the_bts, ts_no); |
| 377 | |
| 378 | dl_tbf[0] = create_dl_tbf(&the_bts, ms_class, &trx_no); |
| 379 | dl_tbf[1] = create_dl_tbf(&the_bts, ms_class, &trx_no); |
| 380 | |
| 381 | dl_tbf[0]->update_ms(0xf1000001, GPRS_RLCMAC_DL_TBF); |
| 382 | dl_tbf[1]->update_ms(0xf1000002, GPRS_RLCMAC_DL_TBF); |
| 383 | |
| 384 | dl_tbf[0]->assign_imsi("001001000000001"); |
| 385 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000001"); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 386 | OSMO_ASSERT(ms1 != NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 387 | ms2 = the_bts.ms_store().get_ms(0xf1000001); |
| 388 | OSMO_ASSERT(ms2 != NULL); |
| 389 | OSMO_ASSERT(strcmp(ms2->imsi(), "001001000000001") == 0); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 390 | OSMO_ASSERT(ms1 == ms2); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 391 | |
| 392 | /* change the IMSI on TBF 0 */ |
| 393 | dl_tbf[0]->assign_imsi("001001000000002"); |
| 394 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000001"); |
| 395 | OSMO_ASSERT(ms1 == NULL); |
| 396 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 397 | OSMO_ASSERT(ms1 != NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 398 | OSMO_ASSERT(strcmp(ms2->imsi(), "001001000000002") == 0); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 399 | OSMO_ASSERT(ms1 == ms2); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 400 | |
| 401 | /* use the same IMSI on TBF 2 */ |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 402 | { |
| 403 | GprsMs::Guard guard(ms2); |
| 404 | dl_tbf[1]->assign_imsi("001001000000002"); |
| 405 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
| 406 | OSMO_ASSERT(ms1 != NULL); |
| 407 | OSMO_ASSERT(ms1 != ms2); |
| 408 | OSMO_ASSERT(strcmp(ms1->imsi(), "001001000000002") == 0); |
| 409 | OSMO_ASSERT(strcmp(ms2->imsi(), "") == 0); |
| 410 | } |
| 411 | |
| 412 | ms2 = the_bts.ms_store().get_ms(0xf1000001); |
| 413 | OSMO_ASSERT(ms2 == NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 414 | |
| 415 | tbf_free(dl_tbf[1]); |
| 416 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
| 417 | OSMO_ASSERT(ms1 == NULL); |
| 418 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 419 | printf("=== end %s ===\n", __func__); |
| 420 | } |
| 421 | |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 422 | static void test_tbf_exhaustion() |
| 423 | { |
| 424 | BTS the_bts; |
| 425 | gprs_rlcmac_bts *bts; |
| 426 | unsigned i; |
| 427 | uint8_t ts_no = 4; |
| 428 | uint8_t ms_class = 45; |
| 429 | int rc = 0; |
| 430 | |
| 431 | uint8_t buf[256] = {0}; |
| 432 | |
| 433 | printf("=== start %s ===\n", __func__); |
| 434 | |
| 435 | bts = the_bts.bts_data(); |
| 436 | setup_bts(&the_bts, ts_no); |
| 437 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 438 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 439 | |
| 440 | for (i = 0; i < 1024; i++) { |
| 441 | uint32_t tlli = 0xc0000000 + i; |
| 442 | char imsi[16] = {0}; |
| 443 | unsigned delay_csec = 1000; |
| 444 | |
Jacob Erlbeck | 9a2845d | 2015-05-21 12:06:58 +0200 | [diff] [blame] | 445 | snprintf(imsi, sizeof(imsi), "001001%09d", i); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 446 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 447 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 448 | delay_csec, buf, sizeof(buf)); |
| 449 | |
| 450 | if (rc < 0) |
| 451 | break; |
| 452 | } |
| 453 | |
| 454 | OSMO_ASSERT(rc == -EBUSY); |
| 455 | printf("=== end %s ===\n", __func__); |
| 456 | |
| 457 | gprs_bssgp_destroy(); |
| 458 | } |
| 459 | |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 460 | static void test_tbf_dl_llc_loss() |
| 461 | { |
| 462 | BTS the_bts; |
| 463 | gprs_rlcmac_bts *bts; |
| 464 | uint8_t ts_no = 4; |
| 465 | uint8_t ms_class = 45; |
| 466 | int rc = 0; |
| 467 | uint32_t tlli = 0xc0123456; |
| 468 | const char *imsi = "001001000123456"; |
| 469 | unsigned delay_csec = 1000; |
| 470 | GprsMs *ms; |
| 471 | |
| 472 | uint8_t buf[19]; |
| 473 | |
| 474 | printf("=== start %s ===\n", __func__); |
| 475 | |
| 476 | bts = the_bts.bts_data(); |
| 477 | setup_bts(&the_bts, ts_no); |
| 478 | bts->ms_idle_sec = 10; /* keep the MS object */ |
| 479 | |
| 480 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 481 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 482 | |
| 483 | /* Handle LLC frame 1 */ |
| 484 | memset(buf, 1, sizeof(buf)); |
| 485 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, |
| 486 | delay_csec, buf, sizeof(buf)); |
| 487 | OSMO_ASSERT(rc >= 0); |
| 488 | |
| 489 | ms = the_bts.ms_store().get_ms(0, 0, imsi); |
| 490 | OSMO_ASSERT(ms != NULL); |
| 491 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
| 492 | |
| 493 | /* Handle LLC frame 2 */ |
| 494 | memset(buf, 2, sizeof(buf)); |
| 495 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, |
| 496 | delay_csec, buf, sizeof(buf)); |
| 497 | OSMO_ASSERT(rc >= 0); |
| 498 | |
| 499 | /* TBF establishment fails (timeout) */ |
| 500 | tbf_free(ms->dl_tbf()); |
| 501 | |
| 502 | /* Handle LLC frame 3 */ |
| 503 | memset(buf, 3, sizeof(buf)); |
| 504 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, |
| 505 | delay_csec, buf, sizeof(buf)); |
| 506 | OSMO_ASSERT(rc >= 0); |
| 507 | |
| 508 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
| 509 | |
| 510 | /* Get first BSN */ |
| 511 | struct msgb *msg; |
| 512 | int fn = 0; |
| 513 | uint8_t expected_data = 1; |
| 514 | |
| 515 | while (ms->dl_tbf()->have_data()) { |
| 516 | msg = ms->dl_tbf()->create_dl_acked_block(fn += 4, 7); |
| 517 | fprintf(stderr, "MSG = %s\n", msgb_hexdump(msg)); |
| 518 | OSMO_ASSERT(msgb_length(msg) == 23); |
Jacob Erlbeck | 409efa1 | 2015-06-12 14:06:09 +0200 | [diff] [blame] | 519 | OSMO_ASSERT(msgb_data(msg)[10] == expected_data); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 520 | expected_data += 1; |
| 521 | } |
Jacob Erlbeck | 409efa1 | 2015-06-12 14:06:09 +0200 | [diff] [blame] | 522 | OSMO_ASSERT(expected_data-1 == 3); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 523 | |
| 524 | printf("=== end %s ===\n", __func__); |
| 525 | |
| 526 | gprs_bssgp_destroy(); |
| 527 | } |
| 528 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 529 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_single_phase(BTS *the_bts, |
| 530 | 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] | 531 | { |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 532 | GprsMs *ms; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 533 | int tfi = 0; |
| 534 | gprs_rlcmac_ul_tbf *ul_tbf; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 535 | uint8_t trx_no = 0; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 536 | struct gprs_rlcmac_pdch *pdch; |
Jacob Erlbeck | 20f6fd1 | 2015-06-08 11:05:45 +0200 | [diff] [blame] | 537 | struct pcu_l1_meas meas; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 538 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 539 | 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] | 540 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 541 | the_bts->rcv_rach(0x03, *fn, qta); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 542 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 543 | 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] | 544 | OSMO_ASSERT(ul_tbf != NULL); |
| 545 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 546 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 547 | |
| 548 | uint8_t data_msg[23] = { |
| 549 | 0x00, /* GPRS_RLCMAC_DATA_BLOCK << 6 */ |
| 550 | uint8_t(1 | (tfi << 2)), |
| 551 | uint8_t(1), /* BSN:7, E:1 */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 552 | uint8_t(tlli >> 24), uint8_t(tlli >> 16), |
| 553 | uint8_t(tlli >> 8), uint8_t(tlli), /* TLLI */ |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 554 | }; |
| 555 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 556 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 557 | pdch->rcv_block(&data_msg[0], sizeof(data_msg), *fn, &meas); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 558 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 559 | ms = the_bts->ms_by_tlli(tlli); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 560 | OSMO_ASSERT(ms != NULL); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 561 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 562 | return ul_tbf; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 563 | } |
| 564 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 565 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase(BTS *the_bts, |
| 566 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 567 | uint8_t ms_class) |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 568 | { |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 569 | GprsMs *ms; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 570 | uint32_t rach_fn = *fn - 51; |
| 571 | uint32_t sba_fn = *fn + 52; |
| 572 | uint8_t rts_bn = fn2bn(*fn); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 573 | uint8_t trx_no = 0; |
| 574 | int tfi = 0; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 575 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 576 | struct gprs_rlcmac_pdch *pdch; |
| 577 | gprs_rlcmac_bts *bts; |
| 578 | RlcMacUplink_t ulreq = {0}; |
| 579 | bitvec *rlc_block; |
| 580 | uint8_t buf[64]; |
| 581 | int num_bytes; |
Jacob Erlbeck | 20f6fd1 | 2015-06-08 11:05:45 +0200 | [diff] [blame] | 582 | struct pcu_l1_meas meas; |
| 583 | meas.set_rssi(31); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 584 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 585 | bts = the_bts->bts_data(); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 586 | |
| 587 | /* needed to set last_rts_fn in the PDCH object */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 588 | send_rlc_block(bts, trx_no, ts_no, 0, fn, &rts_bn); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 589 | |
| 590 | /* simulate RACH, this sends an Immediate Assignment Uplink on the AGCH */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 591 | the_bts->rcv_rach(0x73, rach_fn, qta); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 592 | |
| 593 | /* get next free TFI */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 594 | 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] | 595 | |
| 596 | /* fake a resource request */ |
| 597 | rlc_block = bitvec_alloc(23); |
| 598 | |
| 599 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 600 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 601 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 602 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame^] | 603 | ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability = 1; |
| 604 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 605 | Count_MS_RA_capability_value = 1; |
| 606 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 607 | MS_RA_capability_value[0].u.Content.Exist_Multislot_capability = 1; |
| 608 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 609 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 610 | Exist_GPRS_multislot_class = 1; |
| 611 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 612 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 613 | GPRS_multislot_class = ms_class; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 614 | |
| 615 | encode_gsm_rlcmac_uplink(rlc_block, &ulreq); |
| 616 | num_bytes = bitvec_pack(rlc_block, &buf[0]); |
| 617 | OSMO_ASSERT(size_t(num_bytes) < sizeof(buf)); |
| 618 | bitvec_free(rlc_block); |
| 619 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 620 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 621 | pdch->rcv_block(&buf[0], num_bytes, sba_fn, &meas); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 622 | |
| 623 | /* check the TBF */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 624 | 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] | 625 | OSMO_ASSERT(ul_tbf != NULL); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 626 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 627 | |
| 628 | /* send packet uplink assignment */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 629 | *fn = sba_fn; |
| 630 | rts_bn = fn2bn(*fn); |
| 631 | send_rlc_block(bts, trx_no, ts_no, 0, fn, &rts_bn); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 632 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame^] | 633 | /* TODO: send real acknowledgement */ |
| 634 | /* Fake acknowledgement */ |
| 635 | OSMO_ASSERT(ul_tbf->ul_ass_state == GPRS_RLCMAC_UL_ASS_WAIT_ACK); |
| 636 | ul_tbf->ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; |
| 637 | ul_tbf->ul_ack_state = GPRS_RLCMAC_UL_ACK_NONE; |
| 638 | ul_tbf->set_state(GPRS_RLCMAC_FLOW); |
| 639 | check_tbf(ul_tbf); |
| 640 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 641 | /* send fake data */ |
| 642 | uint8_t data_msg[23] = { |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame^] | 643 | 0x00 | 0xf << 2, /* GPRS_RLCMAC_DATA_BLOCK << 6, CV = 15 */ |
| 644 | uint8_t(0 | (tfi << 1)), |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 645 | uint8_t(1), /* BSN:7, E:1 */ |
| 646 | }; |
| 647 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 648 | pdch->rcv_block(&data_msg[0], sizeof(data_msg), *fn, &meas); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 649 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 650 | ms = the_bts->ms_by_tlli(tlli); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 651 | OSMO_ASSERT(ms != NULL); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 652 | OSMO_ASSERT(ms->ta() == qta/4); |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 653 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 654 | |
| 655 | return ul_tbf; |
| 656 | } |
| 657 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame^] | 658 | static void send_dl_data(BTS *the_bts, uint32_t tlli, const char *imsi, |
| 659 | const uint8_t *data, unsigned data_size) |
| 660 | { |
| 661 | GprsMs *ms, *ms2; |
| 662 | gprs_rlcmac_dl_tbf *dl_tbf = NULL; |
| 663 | |
| 664 | ms = the_bts->ms_store().get_ms(tlli, 0, imsi); |
| 665 | if (ms) |
| 666 | dl_tbf = ms->dl_tbf(); |
| 667 | |
| 668 | gprs_rlcmac_dl_tbf::handle(the_bts->bts_data(), tlli, 0, imsi, 0, |
| 669 | 1000, data, data_size); |
| 670 | |
| 671 | ms = the_bts->ms_by_imsi(imsi); |
| 672 | OSMO_ASSERT(ms != NULL); |
| 673 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
| 674 | dl_tbf = ms->dl_tbf(); |
| 675 | |
| 676 | if (imsi[0] && strcmp(imsi, "000") != 0) { |
| 677 | ms2 = the_bts->ms_by_tlli(tlli); |
| 678 | OSMO_ASSERT(ms == ms2); |
| 679 | } |
| 680 | |
| 681 | if (dl_tbf->state_is(GPRS_RLCMAC_ASSIGN)) { |
| 682 | /* The DL TBF is new, fake establishment */ |
| 683 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 684 | dl_tbf->set_state(GPRS_RLCMAC_FLOW); |
| 685 | dl_tbf->m_wait_confirm = 0; |
| 686 | check_tbf(dl_tbf); |
| 687 | } |
| 688 | } |
| 689 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 690 | static void test_tbf_single_phase() |
| 691 | { |
| 692 | BTS the_bts; |
| 693 | int ts_no = 7; |
| 694 | uint32_t fn = 2654167; /* 17,25,9 */ |
| 695 | uint32_t tlli = 0xf1223344; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame^] | 696 | const char *imsi = "0011223344"; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 697 | uint16_t qta = 31; |
| 698 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 699 | GprsMs *ms; |
| 700 | |
| 701 | printf("=== start %s ===\n", __func__); |
| 702 | |
| 703 | setup_bts(&the_bts, ts_no); |
| 704 | |
| 705 | ul_tbf = establish_ul_tbf_single_phase(&the_bts, ts_no, tlli, &fn, qta); |
| 706 | |
| 707 | ms = ul_tbf->ms(); |
| 708 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 709 | fprintf(stderr, "Got MS: TLLI = 0x%08x, TA = %d\n", ms->tlli(), ms->ta()); |
| 710 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame^] | 711 | send_dl_data(&the_bts, tlli, imsi, (const uint8_t *)"TEST", 4); |
| 712 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 713 | printf("=== end %s ===\n", __func__); |
| 714 | } |
| 715 | |
| 716 | static void test_tbf_two_phase() |
| 717 | { |
| 718 | BTS the_bts; |
| 719 | int ts_no = 7; |
| 720 | uint32_t fn = 2654218; |
| 721 | uint16_t qta = 31; |
| 722 | uint32_t tlli = 0xf1223344; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame^] | 723 | const char *imsi = "0011223344"; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 724 | uint8_t ms_class = 1; |
| 725 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 726 | GprsMs *ms; |
| 727 | |
| 728 | printf("=== start %s ===\n", __func__); |
| 729 | |
| 730 | setup_bts(&the_bts, ts_no, 4); |
| 731 | |
| 732 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli, &fn, qta, ms_class); |
| 733 | |
| 734 | ms = ul_tbf->ms(); |
| 735 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 736 | 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] | 737 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame^] | 738 | send_dl_data(&the_bts, tlli, imsi, (const uint8_t *)"TEST", 4); |
| 739 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 740 | printf("=== end %s ===\n", __func__); |
| 741 | } |
| 742 | |
| 743 | |
Daniel Willmann | 341689d | 2014-06-11 18:33:14 +0200 | [diff] [blame] | 744 | static const struct log_info_cat default_categories[] = { |
| 745 | {"DCSN1", "\033[1;31m", "Concrete Syntax Notation One (CSN1)", LOGL_INFO, 0}, |
| 746 | {"DL1IF", "\033[1;32m", "GPRS PCU L1 interface (L1IF)", LOGL_DEBUG, 1}, |
| 747 | {"DRLCMAC", "\033[0;33m", "GPRS RLC/MAC layer (RLCMAC)", LOGL_DEBUG, 1}, |
| 748 | {"DRLCMACDATA", "\033[0;33m", "GPRS RLC/MAC layer Data (RLCMAC)", LOGL_DEBUG, 1}, |
| 749 | {"DRLCMACDL", "\033[1;33m", "GPRS RLC/MAC layer Downlink (RLCMAC)", LOGL_DEBUG, 1}, |
| 750 | {"DRLCMACUL", "\033[1;36m", "GPRS RLC/MAC layer Uplink (RLCMAC)", LOGL_DEBUG, 1}, |
| 751 | {"DRLCMACSCHED", "\033[0;36m", "GPRS RLC/MAC layer Scheduling (RLCMAC)", LOGL_DEBUG, 1}, |
| 752 | {"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] | 753 | {"DNS","\033[1;34m", "GPRS Network Service Protocol (NS)", LOGL_INFO , 1}, |
Daniel Willmann | 341689d | 2014-06-11 18:33:14 +0200 | [diff] [blame] | 754 | {"DBSSGP","\033[1;34m", "GPRS BSS Gateway Protocol (BSSGP)", LOGL_INFO , 1}, |
| 755 | {"DPCU", "\033[1;35m", "GPRS Packet Control Unit (PCU)", LOGL_NOTICE, 1}, |
| 756 | }; |
| 757 | |
| 758 | static int filter_fn(const struct log_context *ctx, |
| 759 | struct log_target *tar) |
| 760 | { |
| 761 | return 1; |
| 762 | } |
| 763 | |
| 764 | const struct log_info debug_log_info = { |
| 765 | filter_fn, |
| 766 | (struct log_info_cat*)default_categories, |
| 767 | ARRAY_SIZE(default_categories), |
| 768 | }; |
| 769 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 770 | int main(int argc, char **argv) |
| 771 | { |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 772 | struct vty_app_info pcu_vty_info = {0}; |
| 773 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 774 | tall_pcu_ctx = talloc_named_const(NULL, 1, "moiji-mobile TbfTest context"); |
| 775 | if (!tall_pcu_ctx) |
| 776 | abort(); |
| 777 | |
| 778 | msgb_set_talloc_ctx(tall_pcu_ctx); |
Daniel Willmann | 341689d | 2014-06-11 18:33:14 +0200 | [diff] [blame] | 779 | osmo_init_logging(&debug_log_info); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 780 | log_set_use_color(osmo_stderr_target, 0); |
| 781 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 782 | bssgp_set_log_ss(DBSSGP); |
| 783 | |
| 784 | vty_init(&pcu_vty_info); |
| 785 | pcu_vty_init(&debug_log_info); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 786 | |
Jacob Erlbeck | ac89a55 | 2015-06-29 14:18:46 +0200 | [diff] [blame] | 787 | test_tbf_base(); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 788 | test_tbf_tlli_update(); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 789 | test_tbf_final_ack(TEST_MODE_STANDARD); |
| 790 | test_tbf_final_ack(TEST_MODE_REVERSE_FREE); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 791 | test_tbf_delayed_release(); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 792 | test_tbf_imsi(); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 793 | test_tbf_exhaustion(); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 794 | test_tbf_dl_llc_loss(); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 795 | test_tbf_single_phase(); |
| 796 | test_tbf_two_phase(); |
Jacob Erlbeck | 67c3850 | 2015-05-11 10:32:40 +0200 | [diff] [blame] | 797 | |
| 798 | if (getenv("TALLOC_REPORT_FULL")) |
| 799 | talloc_report_full(tall_pcu_ctx, stderr); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 800 | return EXIT_SUCCESS; |
| 801 | } |
| 802 | |
| 803 | /* |
| 804 | * stubs that should not be reached |
| 805 | */ |
| 806 | extern "C" { |
| 807 | void l1if_pdch_req() { abort(); } |
| 808 | void l1if_connect_pdch() { abort(); } |
| 809 | void l1if_close_pdch() { abort(); } |
| 810 | void l1if_open_pdch() { abort(); } |
| 811 | } |