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 | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 204 | static void request_dl_rlc_block(struct gprs_rlcmac_bts *bts, |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 205 | uint8_t trx_no, uint8_t ts_no, uint16_t arfcn, |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 206 | uint32_t *fn, uint8_t *block_nr = NULL) |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 207 | { |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 208 | uint8_t bn = fn2bn(*fn); |
| 209 | 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] | 210 | *fn = fn_add_blocks(*fn, 1); |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 211 | bn += 1; |
| 212 | if (block_nr) |
| 213 | *block_nr = bn; |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 214 | } |
| 215 | |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 216 | static void request_dl_rlc_block(struct gprs_rlcmac_tbf *tbf, |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 217 | uint32_t *fn, uint8_t *block_nr = NULL) |
Jacob Erlbeck | 64921d2 | 2015-08-24 11:34:47 +0200 | [diff] [blame] | 218 | { |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 219 | request_dl_rlc_block(tbf->bts->bts_data(), tbf->trx->trx_no, |
Jacob Erlbeck | 64921d2 | 2015-08-24 11:34:47 +0200 | [diff] [blame] | 220 | tbf->control_ts, tbf->trx->arfcn, fn, block_nr); |
| 221 | } |
| 222 | |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 223 | enum test_tbf_final_ack_mode { |
| 224 | TEST_MODE_STANDARD, |
| 225 | TEST_MODE_REVERSE_FREE |
| 226 | }; |
| 227 | |
| 228 | 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] | 229 | { |
| 230 | BTS the_bts; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 231 | uint8_t ts_no = 4; |
| 232 | unsigned i; |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 233 | uint8_t ms_class = 45; |
| 234 | uint32_t fn; |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 235 | uint8_t block_nr; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 236 | uint8_t trx_no; |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 237 | GprsMs *ms; |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 238 | uint32_t tlli = 0xffeeddcc; |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 239 | |
| 240 | uint8_t rbb[64/8]; |
| 241 | |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 242 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 243 | gprs_rlcmac_tbf *new_tbf; |
| 244 | |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 245 | setup_bts(&the_bts, ts_no); |
| 246 | dl_tbf = create_dl_tbf(&the_bts, ms_class, &trx_no); |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 247 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 248 | ms = dl_tbf->ms(); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 249 | |
| 250 | for (i = 0; i < sizeof(llc_data); i++) |
| 251 | llc_data[i] = i%256; |
| 252 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 253 | /* Schedule two LLC frames */ |
Daniel Willmann | 0f58af6 | 2014-09-19 11:57:21 +0200 | [diff] [blame] | 254 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 255 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 256 | |
| 257 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 258 | /* Send only a few RLC/MAC blocks */ |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 259 | fn = 0; |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 260 | do { |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 261 | /* Request to send one block */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 262 | request_dl_rlc_block(dl_tbf, &fn, &block_nr); |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 263 | } while (block_nr < 3); |
Jacob Erlbeck | 64921d2 | 2015-08-24 11:34:47 +0200 | [diff] [blame] | 264 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 265 | OSMO_ASSERT(dl_tbf->have_data()); |
| 266 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 267 | |
| 268 | /* Queue a final ACK */ |
| 269 | memset(rbb, 0, sizeof(rbb)); |
| 270 | /* Receive a final ACK */ |
| 271 | dl_tbf->rcvd_dl_ack(1, 1, rbb); |
| 272 | |
| 273 | /* Clean up and ensure tbfs are in the correct state */ |
| 274 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 275 | new_tbf = ms->dl_tbf(); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 276 | check_tbf(new_tbf); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 277 | OSMO_ASSERT(new_tbf != dl_tbf); |
| 278 | OSMO_ASSERT(new_tbf->tfi() == 1); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 279 | check_tbf(dl_tbf); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 280 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 281 | if (test_mode == TEST_MODE_REVERSE_FREE) { |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 282 | GprsMs::Guard guard(ms); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 283 | tbf_free(new_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 284 | OSMO_ASSERT(ms->dl_tbf() == NULL); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 285 | check_tbf(dl_tbf); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 286 | tbf_free(dl_tbf); |
| 287 | } else { |
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(dl_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 290 | OSMO_ASSERT(ms->dl_tbf() == new_tbf); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 291 | check_tbf(new_tbf); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 292 | tbf_free(new_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 293 | OSMO_ASSERT(ms->dl_tbf() == NULL); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 294 | } |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 295 | } |
| 296 | |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 297 | static void test_tbf_delayed_release() |
| 298 | { |
| 299 | BTS the_bts; |
| 300 | gprs_rlcmac_bts *bts; |
| 301 | uint8_t ts_no = 4; |
| 302 | unsigned i; |
| 303 | uint8_t ms_class = 45; |
| 304 | uint32_t fn = 0; |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 305 | uint8_t trx_no; |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 306 | uint32_t tlli = 0xffeeddcc; |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 307 | |
| 308 | uint8_t rbb[64/8]; |
| 309 | |
| 310 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 311 | |
| 312 | printf("=== start %s ===\n", __func__); |
| 313 | |
| 314 | bts = the_bts.bts_data(); |
| 315 | |
| 316 | setup_bts(&the_bts, ts_no); |
| 317 | bts->dl_tbf_idle_msec = 200; |
| 318 | |
| 319 | dl_tbf = create_dl_tbf(&the_bts, ms_class, &trx_no); |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 320 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 321 | |
| 322 | for (i = 0; i < sizeof(llc_data); i++) |
| 323 | llc_data[i] = i%256; |
| 324 | |
| 325 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 326 | |
| 327 | /* Schedule two LLC frames */ |
| 328 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 329 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 330 | |
| 331 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 332 | |
| 333 | /* Drain the queue */ |
| 334 | while (dl_tbf->have_data()) |
| 335 | /* Request to send one RLC/MAC block */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 336 | request_dl_rlc_block(dl_tbf, &fn); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 337 | |
| 338 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 339 | |
| 340 | /* ACK all blocks */ |
| 341 | memset(rbb, 0xff, sizeof(rbb)); |
| 342 | /* Receive an ACK */ |
| 343 | dl_tbf->rcvd_dl_ack(0, dl_tbf->m_window.v_s(), rbb); |
| 344 | OSMO_ASSERT(dl_tbf->m_window.window_empty()); |
| 345 | |
| 346 | /* Force sending of a single block containing an LLC dummy command */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 347 | request_dl_rlc_block(dl_tbf, &fn); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 348 | |
| 349 | /* Receive an ACK */ |
| 350 | dl_tbf->rcvd_dl_ack(0, dl_tbf->m_window.v_s(), rbb); |
| 351 | OSMO_ASSERT(dl_tbf->m_window.window_empty()); |
| 352 | |
| 353 | /* Timeout (make sure fn % 52 remains valid) */ |
| 354 | 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] | 355 | request_dl_rlc_block(dl_tbf, &fn); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 356 | |
| 357 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FINISHED)); |
| 358 | |
| 359 | /* Receive a final ACK */ |
| 360 | dl_tbf->rcvd_dl_ack(1, dl_tbf->m_window.v_s(), rbb); |
| 361 | |
| 362 | /* Clean up and ensure tbfs are in the correct state */ |
| 363 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 364 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 365 | check_tbf(dl_tbf); |
| 366 | tbf_free(dl_tbf); |
| 367 | printf("=== end %s ===\n", __func__); |
| 368 | } |
| 369 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 370 | static void test_tbf_imsi() |
| 371 | { |
| 372 | BTS the_bts; |
| 373 | uint8_t ts_no = 4; |
| 374 | uint8_t ms_class = 45; |
| 375 | uint8_t trx_no; |
| 376 | GprsMs *ms1, *ms2; |
| 377 | |
| 378 | gprs_rlcmac_dl_tbf *dl_tbf[2]; |
| 379 | |
| 380 | printf("=== start %s ===\n", __func__); |
| 381 | |
| 382 | setup_bts(&the_bts, ts_no); |
| 383 | |
| 384 | dl_tbf[0] = create_dl_tbf(&the_bts, ms_class, &trx_no); |
| 385 | dl_tbf[1] = create_dl_tbf(&the_bts, ms_class, &trx_no); |
| 386 | |
| 387 | dl_tbf[0]->update_ms(0xf1000001, GPRS_RLCMAC_DL_TBF); |
| 388 | dl_tbf[1]->update_ms(0xf1000002, GPRS_RLCMAC_DL_TBF); |
| 389 | |
| 390 | dl_tbf[0]->assign_imsi("001001000000001"); |
| 391 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000001"); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 392 | OSMO_ASSERT(ms1 != NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 393 | ms2 = the_bts.ms_store().get_ms(0xf1000001); |
| 394 | OSMO_ASSERT(ms2 != NULL); |
| 395 | OSMO_ASSERT(strcmp(ms2->imsi(), "001001000000001") == 0); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 396 | OSMO_ASSERT(ms1 == ms2); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 397 | |
| 398 | /* change the IMSI on TBF 0 */ |
| 399 | dl_tbf[0]->assign_imsi("001001000000002"); |
| 400 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000001"); |
| 401 | OSMO_ASSERT(ms1 == NULL); |
| 402 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 403 | OSMO_ASSERT(ms1 != NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 404 | OSMO_ASSERT(strcmp(ms2->imsi(), "001001000000002") == 0); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 405 | OSMO_ASSERT(ms1 == ms2); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 406 | |
| 407 | /* use the same IMSI on TBF 2 */ |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 408 | { |
| 409 | GprsMs::Guard guard(ms2); |
| 410 | dl_tbf[1]->assign_imsi("001001000000002"); |
| 411 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
| 412 | OSMO_ASSERT(ms1 != NULL); |
| 413 | OSMO_ASSERT(ms1 != ms2); |
| 414 | OSMO_ASSERT(strcmp(ms1->imsi(), "001001000000002") == 0); |
| 415 | OSMO_ASSERT(strcmp(ms2->imsi(), "") == 0); |
| 416 | } |
| 417 | |
| 418 | ms2 = the_bts.ms_store().get_ms(0xf1000001); |
| 419 | OSMO_ASSERT(ms2 == NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 420 | |
| 421 | tbf_free(dl_tbf[1]); |
| 422 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
| 423 | OSMO_ASSERT(ms1 == NULL); |
| 424 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 425 | printf("=== end %s ===\n", __func__); |
| 426 | } |
| 427 | |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 428 | static void test_tbf_exhaustion() |
| 429 | { |
| 430 | BTS the_bts; |
| 431 | gprs_rlcmac_bts *bts; |
| 432 | unsigned i; |
| 433 | uint8_t ts_no = 4; |
| 434 | uint8_t ms_class = 45; |
| 435 | int rc = 0; |
| 436 | |
| 437 | uint8_t buf[256] = {0}; |
| 438 | |
| 439 | printf("=== start %s ===\n", __func__); |
| 440 | |
| 441 | bts = the_bts.bts_data(); |
| 442 | setup_bts(&the_bts, ts_no); |
| 443 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 444 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 445 | |
| 446 | for (i = 0; i < 1024; i++) { |
| 447 | uint32_t tlli = 0xc0000000 + i; |
| 448 | char imsi[16] = {0}; |
| 449 | unsigned delay_csec = 1000; |
| 450 | |
Jacob Erlbeck | 9a2845d | 2015-05-21 12:06:58 +0200 | [diff] [blame] | 451 | snprintf(imsi, sizeof(imsi), "001001%09d", i); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 452 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 453 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 454 | delay_csec, buf, sizeof(buf)); |
| 455 | |
| 456 | if (rc < 0) |
| 457 | break; |
| 458 | } |
| 459 | |
| 460 | OSMO_ASSERT(rc == -EBUSY); |
| 461 | printf("=== end %s ===\n", __func__); |
| 462 | |
| 463 | gprs_bssgp_destroy(); |
| 464 | } |
| 465 | |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 466 | static void test_tbf_dl_llc_loss() |
| 467 | { |
| 468 | BTS the_bts; |
| 469 | gprs_rlcmac_bts *bts; |
| 470 | uint8_t ts_no = 4; |
| 471 | uint8_t ms_class = 45; |
| 472 | int rc = 0; |
| 473 | uint32_t tlli = 0xc0123456; |
| 474 | const char *imsi = "001001000123456"; |
| 475 | unsigned delay_csec = 1000; |
| 476 | GprsMs *ms; |
| 477 | |
| 478 | uint8_t buf[19]; |
| 479 | |
| 480 | printf("=== start %s ===\n", __func__); |
| 481 | |
| 482 | bts = the_bts.bts_data(); |
| 483 | setup_bts(&the_bts, ts_no); |
| 484 | bts->ms_idle_sec = 10; /* keep the MS object */ |
| 485 | |
| 486 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 487 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 488 | |
| 489 | /* Handle LLC frame 1 */ |
| 490 | memset(buf, 1, sizeof(buf)); |
| 491 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, |
| 492 | delay_csec, buf, sizeof(buf)); |
| 493 | OSMO_ASSERT(rc >= 0); |
| 494 | |
| 495 | ms = the_bts.ms_store().get_ms(0, 0, imsi); |
| 496 | OSMO_ASSERT(ms != NULL); |
| 497 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
| 498 | |
| 499 | /* Handle LLC frame 2 */ |
| 500 | memset(buf, 2, sizeof(buf)); |
| 501 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, |
| 502 | delay_csec, buf, sizeof(buf)); |
| 503 | OSMO_ASSERT(rc >= 0); |
| 504 | |
| 505 | /* TBF establishment fails (timeout) */ |
| 506 | tbf_free(ms->dl_tbf()); |
| 507 | |
| 508 | /* Handle LLC frame 3 */ |
| 509 | memset(buf, 3, sizeof(buf)); |
| 510 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, |
| 511 | delay_csec, buf, sizeof(buf)); |
| 512 | OSMO_ASSERT(rc >= 0); |
| 513 | |
| 514 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
| 515 | |
| 516 | /* Get first BSN */ |
| 517 | struct msgb *msg; |
| 518 | int fn = 0; |
| 519 | uint8_t expected_data = 1; |
| 520 | |
| 521 | while (ms->dl_tbf()->have_data()) { |
| 522 | msg = ms->dl_tbf()->create_dl_acked_block(fn += 4, 7); |
| 523 | fprintf(stderr, "MSG = %s\n", msgb_hexdump(msg)); |
| 524 | OSMO_ASSERT(msgb_length(msg) == 23); |
Jacob Erlbeck | 409efa1 | 2015-06-12 14:06:09 +0200 | [diff] [blame] | 525 | OSMO_ASSERT(msgb_data(msg)[10] == expected_data); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 526 | expected_data += 1; |
| 527 | } |
Jacob Erlbeck | 409efa1 | 2015-06-12 14:06:09 +0200 | [diff] [blame] | 528 | OSMO_ASSERT(expected_data-1 == 3); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 529 | |
| 530 | printf("=== end %s ===\n", __func__); |
| 531 | |
| 532 | gprs_bssgp_destroy(); |
| 533 | } |
| 534 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 535 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_single_phase(BTS *the_bts, |
| 536 | 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] | 537 | { |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 538 | GprsMs *ms; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 539 | int tfi = 0; |
| 540 | gprs_rlcmac_ul_tbf *ul_tbf; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 541 | uint8_t trx_no = 0; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 542 | struct gprs_rlcmac_pdch *pdch; |
Jacob Erlbeck | 20f6fd1 | 2015-06-08 11:05:45 +0200 | [diff] [blame] | 543 | struct pcu_l1_meas meas; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 544 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 545 | 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] | 546 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 547 | the_bts->rcv_rach(0x03, *fn, qta); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 548 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 549 | 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] | 550 | OSMO_ASSERT(ul_tbf != NULL); |
| 551 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 552 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 553 | |
| 554 | uint8_t data_msg[23] = { |
| 555 | 0x00, /* GPRS_RLCMAC_DATA_BLOCK << 6 */ |
| 556 | uint8_t(1 | (tfi << 2)), |
| 557 | uint8_t(1), /* BSN:7, E:1 */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 558 | uint8_t(tlli >> 24), uint8_t(tlli >> 16), |
| 559 | uint8_t(tlli >> 8), uint8_t(tlli), /* TLLI */ |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 560 | }; |
| 561 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 562 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 563 | pdch->rcv_block(&data_msg[0], sizeof(data_msg), *fn, &meas); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 564 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 565 | ms = the_bts->ms_by_tlli(tlli); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 566 | OSMO_ASSERT(ms != NULL); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 567 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 568 | return ul_tbf; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 569 | } |
| 570 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 571 | static void send_ul_mac_block(BTS *the_bts, unsigned trx_no, unsigned ts_no, |
| 572 | RlcMacUplink_t *ulreq, unsigned fn) |
| 573 | { |
| 574 | bitvec *rlc_block; |
| 575 | uint8_t buf[64]; |
| 576 | int num_bytes; |
| 577 | struct gprs_rlcmac_pdch *pdch; |
| 578 | struct pcu_l1_meas meas; |
| 579 | |
| 580 | meas.set_rssi(31); |
| 581 | |
| 582 | rlc_block = bitvec_alloc(23); |
| 583 | |
| 584 | encode_gsm_rlcmac_uplink(rlc_block, ulreq); |
| 585 | num_bytes = bitvec_pack(rlc_block, &buf[0]); |
| 586 | OSMO_ASSERT(size_t(num_bytes) < sizeof(buf)); |
| 587 | bitvec_free(rlc_block); |
| 588 | |
| 589 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 590 | pdch->rcv_block(&buf[0], num_bytes, fn, &meas); |
| 591 | } |
| 592 | |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 593 | static void send_control_ack(gprs_rlcmac_tbf *tbf) |
| 594 | { |
| 595 | RlcMacUplink_t ulreq = {0}; |
| 596 | |
| 597 | OSMO_ASSERT(tbf->poll_fn != 0); |
| 598 | |
| 599 | ulreq.u.MESSAGE_TYPE = MT_PACKET_CONTROL_ACK; |
| 600 | Packet_Control_Acknowledgement_t *ctrl_ack = |
| 601 | &ulreq.u.Packet_Control_Acknowledgement; |
| 602 | |
| 603 | ctrl_ack->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 604 | ctrl_ack->TLLI = tbf->tlli(); |
| 605 | send_ul_mac_block(tbf->bts, tbf->trx->trx_no, tbf->control_ts, |
| 606 | &ulreq, tbf->poll_fn); |
| 607 | } |
| 608 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 609 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase(BTS *the_bts, |
| 610 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 611 | uint8_t ms_class) |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 612 | { |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 613 | GprsMs *ms; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 614 | uint32_t rach_fn = *fn - 51; |
| 615 | uint32_t sba_fn = *fn + 52; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 616 | uint8_t trx_no = 0; |
| 617 | int tfi = 0; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 618 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 619 | struct gprs_rlcmac_pdch *pdch; |
| 620 | gprs_rlcmac_bts *bts; |
| 621 | RlcMacUplink_t ulreq = {0}; |
Jacob Erlbeck | 20f6fd1 | 2015-06-08 11:05:45 +0200 | [diff] [blame] | 622 | struct pcu_l1_meas meas; |
| 623 | meas.set_rssi(31); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 624 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 625 | bts = the_bts->bts_data(); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 626 | |
| 627 | /* needed to set last_rts_fn in the PDCH object */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 628 | request_dl_rlc_block(bts, trx_no, ts_no, 0, fn); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 629 | |
| 630 | /* simulate RACH, this sends an Immediate Assignment Uplink on the AGCH */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 631 | the_bts->rcv_rach(0x73, rach_fn, qta); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 632 | |
| 633 | /* get next free TFI */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 634 | 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] | 635 | |
| 636 | /* fake a resource request */ |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 637 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 638 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 639 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 640 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 641 | ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability = 1; |
| 642 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 643 | Count_MS_RA_capability_value = 1; |
| 644 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 645 | MS_RA_capability_value[0].u.Content.Exist_Multislot_capability = 1; |
| 646 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 647 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 648 | Exist_GPRS_multislot_class = 1; |
| 649 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 650 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 651 | GPRS_multislot_class = ms_class; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 652 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 653 | 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] | 654 | |
| 655 | /* check the TBF */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 656 | 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] | 657 | OSMO_ASSERT(ul_tbf != NULL); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 658 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 659 | |
| 660 | /* send packet uplink assignment */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 661 | *fn = sba_fn; |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 662 | request_dl_rlc_block(ul_tbf, fn); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 663 | |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 664 | /* send real acknowledgement */ |
| 665 | send_control_ack(ul_tbf); |
| 666 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 667 | check_tbf(ul_tbf); |
| 668 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 669 | /* send fake data */ |
| 670 | uint8_t data_msg[23] = { |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 671 | 0x00 | 0xf << 2, /* GPRS_RLCMAC_DATA_BLOCK << 6, CV = 15 */ |
| 672 | uint8_t(0 | (tfi << 1)), |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 673 | uint8_t(1), /* BSN:7, E:1 */ |
| 674 | }; |
| 675 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 676 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 677 | pdch->rcv_block(&data_msg[0], sizeof(data_msg), *fn, &meas); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 678 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 679 | ms = the_bts->ms_by_tlli(tlli); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 680 | OSMO_ASSERT(ms != NULL); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 681 | OSMO_ASSERT(ms->ta() == qta/4); |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 682 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 683 | |
| 684 | return ul_tbf; |
| 685 | } |
| 686 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 687 | static void send_dl_data(BTS *the_bts, uint32_t tlli, const char *imsi, |
| 688 | const uint8_t *data, unsigned data_size) |
| 689 | { |
| 690 | GprsMs *ms, *ms2; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 691 | |
| 692 | ms = the_bts->ms_store().get_ms(tlli, 0, imsi); |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 693 | |
| 694 | gprs_rlcmac_dl_tbf::handle(the_bts->bts_data(), tlli, 0, imsi, 0, |
| 695 | 1000, data, data_size); |
| 696 | |
| 697 | ms = the_bts->ms_by_imsi(imsi); |
| 698 | OSMO_ASSERT(ms != NULL); |
| 699 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 700 | |
| 701 | if (imsi[0] && strcmp(imsi, "000") != 0) { |
| 702 | ms2 = the_bts->ms_by_tlli(tlli); |
| 703 | OSMO_ASSERT(ms == ms2); |
| 704 | } |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 705 | } |
| 706 | |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 707 | static void transmit_dl_data(BTS *the_bts, uint32_t tlli, uint32_t *fn) |
| 708 | { |
| 709 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 710 | GprsMs *ms; |
| 711 | unsigned ts_no; |
| 712 | |
| 713 | ms = the_bts->ms_by_tlli(tlli); |
| 714 | OSMO_ASSERT(ms); |
| 715 | dl_tbf = ms->dl_tbf(); |
| 716 | OSMO_ASSERT(dl_tbf); |
| 717 | |
| 718 | while (dl_tbf->have_data()) { |
| 719 | uint8_t bn = fn2bn(*fn); |
| 720 | for (ts_no = 0 ; ts_no < 8; ts_no += 1) |
| 721 | gprs_rlcmac_rcv_rts_block(the_bts->bts_data(), |
| 722 | dl_tbf->trx->trx_no, ts_no, 0, |
| 723 | *fn, bn); |
| 724 | *fn = fn_add_blocks(*fn, 1); |
| 725 | } |
| 726 | } |
| 727 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 728 | static void test_tbf_single_phase() |
| 729 | { |
| 730 | BTS the_bts; |
| 731 | int ts_no = 7; |
| 732 | uint32_t fn = 2654167; /* 17,25,9 */ |
| 733 | uint32_t tlli = 0xf1223344; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 734 | const char *imsi = "0011223344"; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 735 | uint16_t qta = 31; |
| 736 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 737 | GprsMs *ms; |
| 738 | |
| 739 | printf("=== start %s ===\n", __func__); |
| 740 | |
| 741 | setup_bts(&the_bts, ts_no); |
| 742 | |
| 743 | ul_tbf = establish_ul_tbf_single_phase(&the_bts, ts_no, tlli, &fn, qta); |
| 744 | |
| 745 | ms = ul_tbf->ms(); |
| 746 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 747 | fprintf(stderr, "Got MS: TLLI = 0x%08x, TA = %d\n", ms->tlli(), ms->ta()); |
| 748 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 749 | send_dl_data(&the_bts, tlli, imsi, (const uint8_t *)"TEST", 4); |
| 750 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 751 | printf("=== end %s ===\n", __func__); |
| 752 | } |
| 753 | |
| 754 | static void test_tbf_two_phase() |
| 755 | { |
| 756 | BTS the_bts; |
| 757 | int ts_no = 7; |
| 758 | uint32_t fn = 2654218; |
| 759 | uint16_t qta = 31; |
| 760 | uint32_t tlli = 0xf1223344; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 761 | const char *imsi = "0011223344"; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 762 | uint8_t ms_class = 1; |
| 763 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 764 | GprsMs *ms; |
| 765 | |
| 766 | printf("=== start %s ===\n", __func__); |
| 767 | |
| 768 | setup_bts(&the_bts, ts_no, 4); |
| 769 | |
| 770 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli, &fn, qta, ms_class); |
| 771 | |
| 772 | ms = ul_tbf->ms(); |
| 773 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 774 | 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] | 775 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 776 | send_dl_data(&the_bts, tlli, imsi, (const uint8_t *)"TEST", 4); |
| 777 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 778 | printf("=== end %s ===\n", __func__); |
| 779 | } |
| 780 | |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 781 | static void test_tbf_ra_update_rach() |
| 782 | { |
| 783 | BTS the_bts; |
| 784 | int ts_no = 7; |
| 785 | uint32_t fn = 2654218; |
| 786 | uint16_t qta = 31; |
| 787 | uint32_t tlli1 = 0xf1223344; |
| 788 | uint32_t tlli2 = 0xf5667788; |
| 789 | const char *imsi = "0011223344"; |
| 790 | uint8_t ms_class = 1; |
| 791 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 792 | GprsMs *ms, *ms1, *ms2; |
| 793 | |
| 794 | printf("=== start %s ===\n", __func__); |
| 795 | |
| 796 | setup_bts(&the_bts, ts_no, 4); |
| 797 | |
| 798 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, ms_class); |
| 799 | |
| 800 | ms1 = ul_tbf->ms(); |
| 801 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 802 | |
| 803 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"RAU_ACCEPT", 10); |
| 804 | fprintf(stderr, "Old MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 805 | ms1->tlli(), ms1->ta(), ms1->imsi(), ms1->llc_queue()->size()); |
| 806 | |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 807 | /* Send Packet Downlink Assignment to MS */ |
| 808 | request_dl_rlc_block(ul_tbf, &fn); |
| 809 | |
| 810 | /* Ack it */ |
| 811 | send_control_ack(ul_tbf); |
| 812 | |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 813 | /* Make sure the RAU Accept gets sent to the MS */ |
| 814 | OSMO_ASSERT(ms1->llc_queue()->size() == 1); |
| 815 | transmit_dl_data(&the_bts, tlli1, &fn); |
| 816 | OSMO_ASSERT(ms1->llc_queue()->size() == 0); |
| 817 | |
| 818 | /* Now establish a new TBF for the RA UPDATE COMPLETE (new TLLI) */ |
| 819 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli2, &fn, qta, ms_class); |
| 820 | |
| 821 | ms2 = ul_tbf->ms(); |
| 822 | |
| 823 | /* The PCU cannot know yet, that both TBF belong to the same MS */ |
| 824 | OSMO_ASSERT(ms1 != ms2); |
| 825 | |
| 826 | fprintf(stderr, "Old MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 827 | ms1->tlli(), ms1->ta(), ms1->imsi(), ms1->llc_queue()->size()); |
| 828 | |
| 829 | /* Send some downlink data along with the new TLLI and the IMSI so that |
| 830 | * the PCU can see, that both MS objects belong to same MS */ |
| 831 | send_dl_data(&the_bts, tlli2, imsi, (const uint8_t *)"DATA", 4); |
| 832 | |
| 833 | ms = the_bts.ms_by_imsi(imsi); |
| 834 | OSMO_ASSERT(ms == ms2); |
| 835 | |
| 836 | fprintf(stderr, "New MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 837 | ms2->tlli(), ms2->ta(), ms2->imsi(), ms2->llc_queue()->size()); |
| 838 | |
| 839 | ms = the_bts.ms_by_tlli(tlli1); |
| 840 | OSMO_ASSERT(ms == NULL); |
| 841 | ms = the_bts.ms_by_tlli(tlli2); |
| 842 | OSMO_ASSERT(ms == ms2); |
| 843 | |
| 844 | printf("=== end %s ===\n", __func__); |
| 845 | } |
| 846 | |
| 847 | static void test_tbf_dl_flow_and_rach_two_phase() |
| 848 | { |
| 849 | BTS the_bts; |
| 850 | int ts_no = 7; |
| 851 | uint32_t fn = 2654218; |
| 852 | uint16_t qta = 31; |
| 853 | uint32_t tlli1 = 0xf1223344; |
| 854 | const char *imsi = "0011223344"; |
| 855 | uint8_t ms_class = 1; |
| 856 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 857 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 858 | GprsMs *ms, *ms1, *ms2; |
| 859 | |
| 860 | printf("=== start %s ===\n", __func__); |
| 861 | |
| 862 | setup_bts(&the_bts, ts_no, 1); |
| 863 | |
| 864 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, ms_class); |
| 865 | |
| 866 | ms1 = ul_tbf->ms(); |
| 867 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 868 | |
| 869 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 1 *************", 20); |
| 870 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 2 *************", 20); |
| 871 | fprintf(stderr, "Old MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 872 | ms1->tlli(), ms1->ta(), ms1->imsi(), ms1->llc_queue()->size()); |
| 873 | |
| 874 | OSMO_ASSERT(ms1->llc_queue()->size() == 2); |
| 875 | dl_tbf = ms1->dl_tbf(); |
| 876 | OSMO_ASSERT(dl_tbf != NULL); |
| 877 | |
| 878 | /* Get rid of old UL TBF */ |
| 879 | tbf_free(ul_tbf); |
| 880 | ms = the_bts.ms_by_tlli(tlli1); |
| 881 | OSMO_ASSERT(ms1 == ms); |
| 882 | |
| 883 | /* Now establish a new UL TBF, this will consume one LLC packet */ |
| 884 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, ms_class); |
| 885 | |
| 886 | ms2 = ul_tbf->ms(); |
| 887 | fprintf(stderr, "New MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 888 | ms2->tlli(), ms2->ta(), ms2->imsi(), ms2->llc_queue()->size()); |
| 889 | |
| 890 | /* This should be the same MS object */ |
| 891 | OSMO_ASSERT(ms2 == ms1); |
| 892 | |
| 893 | ms = the_bts.ms_by_tlli(tlli1); |
| 894 | OSMO_ASSERT(ms2 == ms); |
| 895 | |
| 896 | /* DL TBF should be the same */ |
Jacob Erlbeck | e91bd3b | 2015-08-21 18:19:29 +0200 | [diff] [blame] | 897 | OSMO_ASSERT(ms->dl_tbf()); |
| 898 | OSMO_ASSERT(ms->dl_tbf() == dl_tbf); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 899 | |
| 900 | /* No queued packets should be lost */ |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 901 | OSMO_ASSERT(ms->llc_queue()->size() == 2); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 902 | |
| 903 | printf("=== end %s ===\n", __func__); |
| 904 | } |
| 905 | |
| 906 | |
| 907 | static void test_tbf_dl_flow_and_rach_single_phase() |
| 908 | { |
| 909 | BTS the_bts; |
| 910 | int ts_no = 7; |
| 911 | uint32_t fn = 2654218; |
| 912 | uint16_t qta = 31; |
| 913 | uint32_t tlli1 = 0xf1223344; |
| 914 | const char *imsi = "0011223344"; |
| 915 | uint8_t ms_class = 1; |
| 916 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 917 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 918 | GprsMs *ms, *ms1, *ms2; |
| 919 | |
| 920 | printf("=== start %s ===\n", __func__); |
| 921 | |
| 922 | setup_bts(&the_bts, ts_no, 1); |
| 923 | |
| 924 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, ms_class); |
| 925 | |
| 926 | ms1 = ul_tbf->ms(); |
| 927 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 928 | |
| 929 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 1 *************", 20); |
| 930 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 2 *************", 20); |
| 931 | fprintf(stderr, "Old MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 932 | ms1->tlli(), ms1->ta(), ms1->imsi(), ms1->llc_queue()->size()); |
| 933 | |
| 934 | OSMO_ASSERT(ms1->llc_queue()->size() == 2); |
| 935 | dl_tbf = ms1->dl_tbf(); |
| 936 | OSMO_ASSERT(dl_tbf != NULL); |
| 937 | |
| 938 | /* Get rid of old UL TBF */ |
| 939 | tbf_free(ul_tbf); |
| 940 | ms = the_bts.ms_by_tlli(tlli1); |
| 941 | OSMO_ASSERT(ms1 == ms); |
| 942 | |
| 943 | /* Now establish a new UL TBF */ |
| 944 | ul_tbf = establish_ul_tbf_single_phase(&the_bts, ts_no, tlli1, &fn, qta); |
| 945 | |
| 946 | ms2 = ul_tbf->ms(); |
| 947 | fprintf(stderr, "New MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 948 | ms2->tlli(), ms2->ta(), ms2->imsi(), ms2->llc_queue()->size()); |
| 949 | |
| 950 | /* There should be a different MS object */ |
| 951 | OSMO_ASSERT(ms2 != ms1); |
| 952 | |
| 953 | ms = the_bts.ms_by_tlli(tlli1); |
| 954 | OSMO_ASSERT(ms2 == ms); |
| 955 | OSMO_ASSERT(ms1 != ms); |
| 956 | |
| 957 | /* DL TBF should be the same */ |
| 958 | OSMO_ASSERT(ms->dl_tbf()); |
| 959 | OSMO_ASSERT(ms->dl_tbf() == dl_tbf); |
| 960 | |
| 961 | /* No queued packets should be lost */ |
Jacob Erlbeck | e0b21f4 | 2015-08-21 18:30:05 +0200 | [diff] [blame] | 962 | OSMO_ASSERT(ms->llc_queue()->size() == 2); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 963 | |
| 964 | printf("=== end %s ===\n", __func__); |
| 965 | } |
| 966 | |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 967 | static void test_tbf_dl_reuse() |
| 968 | { |
| 969 | BTS the_bts; |
| 970 | int ts_no = 7; |
| 971 | uint32_t fn = 2654218; |
| 972 | uint16_t qta = 31; |
| 973 | uint32_t tlli1 = 0xf1223344; |
| 974 | const char *imsi = "0011223344"; |
| 975 | uint8_t ms_class = 1; |
| 976 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 977 | gprs_rlcmac_dl_tbf *dl_tbf1, *dl_tbf2; |
| 978 | GprsMs *ms1, *ms2; |
| 979 | unsigned i; |
| 980 | RlcMacUplink_t ulreq = {0}; |
| 981 | |
| 982 | printf("=== start %s ===\n", __func__); |
| 983 | |
| 984 | setup_bts(&the_bts, ts_no, 1); |
| 985 | |
| 986 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, ms_class); |
| 987 | |
| 988 | ms1 = ul_tbf->ms(); |
| 989 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 990 | |
| 991 | /* Send some LLC frames */ |
| 992 | for (i = 0; i < 40; i++) { |
| 993 | char buf[32]; |
| 994 | int rc; |
| 995 | |
| 996 | rc = snprintf(buf, sizeof(buf), "LLC PACKET %02i", i); |
| 997 | OSMO_ASSERT(rc > 0); |
| 998 | |
| 999 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)buf, rc); |
| 1000 | } |
| 1001 | |
| 1002 | fprintf(stderr, "Old MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %d\n", |
| 1003 | ms1->tlli(), ms1->ta(), ms1->imsi(), ms1->llc_queue()->size()); |
| 1004 | |
| 1005 | /* Send Packet Downlink Assignment to MS */ |
| 1006 | request_dl_rlc_block(ul_tbf, &fn); |
| 1007 | |
| 1008 | /* Ack it */ |
| 1009 | send_control_ack(ul_tbf); |
| 1010 | |
| 1011 | /* Transmit all data */ |
| 1012 | transmit_dl_data(&the_bts, tlli1, &fn); |
| 1013 | OSMO_ASSERT(ms1->llc_queue()->size() == 0); |
| 1014 | OSMO_ASSERT(ms1->dl_tbf()); |
| 1015 | OSMO_ASSERT(ms1->dl_tbf()->state_is(GPRS_RLCMAC_FINISHED)); |
| 1016 | |
| 1017 | dl_tbf1 = ms1->dl_tbf(); |
| 1018 | |
| 1019 | /* Send some LLC frames */ |
| 1020 | for (i = 0; i < 10; i++) { |
| 1021 | char buf[32]; |
| 1022 | int rc; |
| 1023 | |
| 1024 | rc = snprintf(buf, sizeof(buf), "LLC PACKET %02i (TBF 2)", i); |
| 1025 | OSMO_ASSERT(rc > 0); |
| 1026 | |
| 1027 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)buf, rc); |
| 1028 | } |
| 1029 | |
| 1030 | /* Fake Final DL Ack/Nack */ |
| 1031 | ulreq.u.MESSAGE_TYPE = MT_PACKET_DOWNLINK_ACK_NACK; |
| 1032 | Packet_Downlink_Ack_Nack_t *ack = &ulreq.u.Packet_Downlink_Ack_Nack; |
| 1033 | |
| 1034 | ack->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 1035 | ack->DOWNLINK_TFI = dl_tbf1->tfi(); |
| 1036 | ack->Ack_Nack_Description.FINAL_ACK_INDICATION = 1; |
| 1037 | |
| 1038 | send_ul_mac_block(&the_bts, 0, ts_no, &ulreq, dl_tbf1->poll_fn); |
| 1039 | |
| 1040 | OSMO_ASSERT(dl_tbf1->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
| 1041 | |
| 1042 | request_dl_rlc_block(dl_tbf1, &fn); |
| 1043 | |
| 1044 | ms2 = the_bts.ms_by_tlli(tlli1); |
| 1045 | OSMO_ASSERT(ms2 == ms1); |
| 1046 | OSMO_ASSERT(ms2->dl_tbf()); |
| 1047 | OSMO_ASSERT(ms2->dl_tbf()->state_is(GPRS_RLCMAC_ASSIGN)); |
| 1048 | |
| 1049 | dl_tbf2 = ms2->dl_tbf(); |
| 1050 | |
| 1051 | OSMO_ASSERT(dl_tbf1 != dl_tbf2); |
| 1052 | |
| 1053 | send_control_ack(dl_tbf1); |
Jacob Erlbeck | 6835cea | 2015-08-21 15:24:02 +0200 | [diff] [blame] | 1054 | OSMO_ASSERT(dl_tbf2->state_is(GPRS_RLCMAC_FLOW)); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 1055 | |
| 1056 | /* Transmit all data */ |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 1057 | transmit_dl_data(&the_bts, tlli1, &fn); |
| 1058 | OSMO_ASSERT(ms2->llc_queue()->size() == 0); |
| 1059 | OSMO_ASSERT(ms2->dl_tbf()); |
| 1060 | OSMO_ASSERT(ms2->dl_tbf()->state_is(GPRS_RLCMAC_FINISHED)); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 1061 | |
| 1062 | printf("=== end %s ===\n", __func__); |
| 1063 | } |
| 1064 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1065 | |
Daniel Willmann | 341689d | 2014-06-11 18:33:14 +0200 | [diff] [blame] | 1066 | static const struct log_info_cat default_categories[] = { |
| 1067 | {"DCSN1", "\033[1;31m", "Concrete Syntax Notation One (CSN1)", LOGL_INFO, 0}, |
| 1068 | {"DL1IF", "\033[1;32m", "GPRS PCU L1 interface (L1IF)", LOGL_DEBUG, 1}, |
| 1069 | {"DRLCMAC", "\033[0;33m", "GPRS RLC/MAC layer (RLCMAC)", LOGL_DEBUG, 1}, |
| 1070 | {"DRLCMACDATA", "\033[0;33m", "GPRS RLC/MAC layer Data (RLCMAC)", LOGL_DEBUG, 1}, |
| 1071 | {"DRLCMACDL", "\033[1;33m", "GPRS RLC/MAC layer Downlink (RLCMAC)", LOGL_DEBUG, 1}, |
| 1072 | {"DRLCMACUL", "\033[1;36m", "GPRS RLC/MAC layer Uplink (RLCMAC)", LOGL_DEBUG, 1}, |
| 1073 | {"DRLCMACSCHED", "\033[0;36m", "GPRS RLC/MAC layer Scheduling (RLCMAC)", LOGL_DEBUG, 1}, |
| 1074 | {"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] | 1075 | {"DNS","\033[1;34m", "GPRS Network Service Protocol (NS)", LOGL_INFO , 1}, |
Daniel Willmann | 341689d | 2014-06-11 18:33:14 +0200 | [diff] [blame] | 1076 | {"DBSSGP","\033[1;34m", "GPRS BSS Gateway Protocol (BSSGP)", LOGL_INFO , 1}, |
| 1077 | {"DPCU", "\033[1;35m", "GPRS Packet Control Unit (PCU)", LOGL_NOTICE, 1}, |
| 1078 | }; |
| 1079 | |
| 1080 | static int filter_fn(const struct log_context *ctx, |
| 1081 | struct log_target *tar) |
| 1082 | { |
| 1083 | return 1; |
| 1084 | } |
| 1085 | |
| 1086 | const struct log_info debug_log_info = { |
| 1087 | filter_fn, |
| 1088 | (struct log_info_cat*)default_categories, |
| 1089 | ARRAY_SIZE(default_categories), |
| 1090 | }; |
| 1091 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 1092 | int main(int argc, char **argv) |
| 1093 | { |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 1094 | struct vty_app_info pcu_vty_info = {0}; |
| 1095 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 1096 | tall_pcu_ctx = talloc_named_const(NULL, 1, "moiji-mobile TbfTest context"); |
| 1097 | if (!tall_pcu_ctx) |
| 1098 | abort(); |
| 1099 | |
| 1100 | msgb_set_talloc_ctx(tall_pcu_ctx); |
Daniel Willmann | 341689d | 2014-06-11 18:33:14 +0200 | [diff] [blame] | 1101 | osmo_init_logging(&debug_log_info); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 1102 | log_set_use_color(osmo_stderr_target, 0); |
| 1103 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 1104 | bssgp_set_log_ss(DBSSGP); |
| 1105 | |
| 1106 | vty_init(&pcu_vty_info); |
| 1107 | pcu_vty_init(&debug_log_info); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 1108 | |
Jacob Erlbeck | ac89a55 | 2015-06-29 14:18:46 +0200 | [diff] [blame] | 1109 | test_tbf_base(); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 1110 | test_tbf_tlli_update(); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 1111 | test_tbf_final_ack(TEST_MODE_STANDARD); |
| 1112 | test_tbf_final_ack(TEST_MODE_REVERSE_FREE); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 1113 | test_tbf_delayed_release(); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 1114 | test_tbf_imsi(); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 1115 | test_tbf_exhaustion(); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 1116 | test_tbf_dl_llc_loss(); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1117 | test_tbf_single_phase(); |
| 1118 | test_tbf_two_phase(); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1119 | test_tbf_ra_update_rach(); |
| 1120 | test_tbf_dl_flow_and_rach_two_phase(); |
| 1121 | test_tbf_dl_flow_and_rach_single_phase(); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 1122 | test_tbf_dl_reuse(); |
Jacob Erlbeck | 67c3850 | 2015-05-11 10:32:40 +0200 | [diff] [blame] | 1123 | |
| 1124 | if (getenv("TALLOC_REPORT_FULL")) |
| 1125 | talloc_report_full(tall_pcu_ctx, stderr); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 1126 | return EXIT_SUCCESS; |
| 1127 | } |
| 1128 | |
| 1129 | /* |
| 1130 | * stubs that should not be reached |
| 1131 | */ |
| 1132 | extern "C" { |
| 1133 | void l1if_pdch_req() { abort(); } |
| 1134 | void l1if_connect_pdch() { abort(); } |
| 1135 | void l1if_close_pdch() { abort(); } |
| 1136 | void l1if_open_pdch() { abort(); } |
| 1137 | } |