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" |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 29 | #include "decoding.h" |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 30 | |
| 31 | extern "C" { |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 32 | #include "pcu_vty.h" |
| 33 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 34 | #include <osmocom/core/application.h> |
| 35 | #include <osmocom/core/msgb.h> |
| 36 | #include <osmocom/core/talloc.h> |
| 37 | #include <osmocom/core/utils.h> |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 38 | #include <osmocom/vty/vty.h> |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 39 | #include <osmocom/gprs/protocol/gsm_04_60.h> |
bhargava | 959d1de | 2016-08-17 15:17:21 +0530 | [diff] [blame] | 40 | #include <osmocom/gsm/l1sap.h> |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 41 | } |
| 42 | |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 43 | #include <errno.h> |
| 44 | |
Philipp | d935d88 | 2016-11-07 13:07:36 +0100 | [diff] [blame] | 45 | #define DUMMY_FN 2654167 |
| 46 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 47 | void *tall_pcu_ctx; |
| 48 | int16_t spoof_mnc = 0, spoof_mcc = 0; |
| 49 | |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 50 | static void check_tbf(gprs_rlcmac_tbf *tbf) |
| 51 | { |
| 52 | OSMO_ASSERT(tbf); |
Jacob Erlbeck | 04e72d3 | 2015-08-13 18:36:56 +0200 | [diff] [blame] | 53 | if (tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 54 | OSMO_ASSERT(tbf->timers_pending(T3191) || tbf->timers_pending(T3193)); |
Jacob Erlbeck | 04e72d3 | 2015-08-13 18:36:56 +0200 | [diff] [blame] | 55 | if (tbf->state_is(GPRS_RLCMAC_RELEASING)) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 56 | OSMO_ASSERT(tbf->timers_pending(T_MAX)); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 57 | } |
| 58 | |
Jacob Erlbeck | ac89a55 | 2015-06-29 14:18:46 +0200 | [diff] [blame] | 59 | static void test_tbf_base() |
| 60 | { |
| 61 | |
| 62 | printf("=== start %s ===\n", __func__); |
| 63 | |
| 64 | OSMO_ASSERT(GPRS_RLCMAC_DL_TBF == reverse(GPRS_RLCMAC_UL_TBF)); |
| 65 | OSMO_ASSERT(GPRS_RLCMAC_UL_TBF == reverse(GPRS_RLCMAC_DL_TBF)); |
| 66 | |
| 67 | printf("=== end %s ===\n", __func__); |
| 68 | } |
| 69 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 70 | static void test_tbf_tlli_update() |
| 71 | { |
| 72 | BTS the_bts; |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 73 | GprsMs *ms, *ms_new; |
| 74 | |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 75 | printf("=== start %s ===\n", __func__); |
| 76 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 77 | the_bts.bts_data()->alloc_algorithm = alloc_algorithm_a; |
| 78 | the_bts.bts_data()->trx[0].pdch[2].enable(); |
| 79 | the_bts.bts_data()->trx[0].pdch[3].enable(); |
| 80 | |
| 81 | /* |
| 82 | * Make a uplink and downlink allocation |
| 83 | */ |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 84 | 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] | 85 | NULL, |
Max | 92b7a50 | 2018-01-26 11:01:35 +0100 | [diff] [blame] | 86 | 0, 0, 0, false); |
Jacob Erlbeck | c6d4cee | 2015-06-29 13:03:46 +0200 | [diff] [blame] | 87 | OSMO_ASSERT(dl_tbf != NULL); |
Jacob Erlbeck | be0cbc1 | 2015-05-18 14:35:11 +0200 | [diff] [blame] | 88 | dl_tbf->update_ms(0x2342, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 89 | dl_tbf->set_ta(4); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 90 | |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 91 | 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] | 92 | dl_tbf->ms(), |
Max | 92b7a50 | 2018-01-26 11:01:35 +0100 | [diff] [blame] | 93 | 0, 0, 0, false); |
Jacob Erlbeck | c6d4cee | 2015-06-29 13:03:46 +0200 | [diff] [blame] | 94 | OSMO_ASSERT(ul_tbf != NULL); |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 95 | ul_tbf->update_ms(0x2342, GPRS_RLCMAC_UL_TBF); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 96 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 97 | ms = the_bts.ms_by_tlli(0x2342); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 98 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 99 | OSMO_ASSERT(ms != NULL); |
| 100 | OSMO_ASSERT(ms->dl_tbf() == dl_tbf); |
| 101 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 102 | |
| 103 | /* |
| 104 | * Now check.. that DL changes and that the timing advance |
| 105 | * has changed. |
| 106 | */ |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 107 | dl_tbf->update_ms(0x4232, GPRS_RLCMAC_DL_TBF); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 108 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 109 | /* It is still there, since the new TLLI has not been used for UL yet */ |
| 110 | ms_new = the_bts.ms_by_tlli(0x2342); |
| 111 | OSMO_ASSERT(ms == ms_new); |
| 112 | |
| 113 | ms_new = the_bts.ms_by_tlli(0x4232); |
| 114 | OSMO_ASSERT(ms == ms_new); |
| 115 | OSMO_ASSERT(ms->dl_tbf() == dl_tbf); |
| 116 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 117 | |
| 118 | /* Now use the new TLLI for UL */ |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 119 | ul_tbf->update_ms(0x4232, GPRS_RLCMAC_UL_TBF); |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 120 | ms_new = the_bts.ms_by_tlli(0x2342); |
| 121 | OSMO_ASSERT(ms_new == NULL); |
Holger Hans Peter Freyther | bc1626e | 2013-10-30 19:50:49 +0100 | [diff] [blame] | 122 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 123 | ms_new = the_bts.ms_by_tlli(0x4232); |
| 124 | OSMO_ASSERT(ms_new != NULL); |
| 125 | OSMO_ASSERT(ms_new->ta() == 4); |
| 126 | |
| 127 | OSMO_ASSERT(ul_tbf->ta() == 4); |
| 128 | OSMO_ASSERT(dl_tbf->ta() == 4); |
| 129 | |
| 130 | ul_tbf->set_ta(6); |
| 131 | |
| 132 | OSMO_ASSERT(ul_tbf->ta() == 6); |
| 133 | OSMO_ASSERT(dl_tbf->ta() == 6); |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 134 | |
| 135 | printf("=== end %s ===\n", __func__); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 136 | } |
| 137 | |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 138 | static uint8_t llc_data[200]; |
| 139 | |
Max | a296118 | 2018-01-25 19:47:28 +0100 | [diff] [blame] | 140 | /* override, requires '-Wl,--wrap=pcu_sock_send' */ |
| 141 | int __real_pcu_sock_send(struct msgb *msg); |
| 142 | int __wrap_pcu_sock_send(struct msgb *msg) |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 143 | { |
| 144 | return 0; |
| 145 | } |
| 146 | |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 147 | 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] | 148 | { |
| 149 | gprs_rlcmac_bts *bts; |
| 150 | gprs_rlcmac_trx *trx; |
| 151 | |
| 152 | bts = the_bts->bts_data(); |
| 153 | bts->alloc_algorithm = alloc_algorithm_a; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 154 | bts->initial_cs_dl = cs; |
| 155 | bts->initial_cs_ul = cs; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 156 | trx = &bts->trx[0]; |
| 157 | |
| 158 | trx->pdch[ts_no].enable(); |
Philipp | d935d88 | 2016-11-07 13:07:36 +0100 | [diff] [blame] | 159 | the_bts->set_current_frame_number(DUMMY_FN); |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | static gprs_rlcmac_dl_tbf *create_dl_tbf(BTS *the_bts, uint8_t ms_class, |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 163 | uint8_t egprs_ms_class, uint8_t *trx_no_) |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 164 | { |
| 165 | gprs_rlcmac_bts *bts; |
| 166 | int tfi; |
| 167 | uint8_t trx_no; |
| 168 | |
| 169 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 170 | |
| 171 | bts = the_bts->bts_data(); |
| 172 | |
| 173 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_DL_TBF, &trx_no, -1); |
| 174 | OSMO_ASSERT(tfi >= 0); |
Max | 92b7a50 | 2018-01-26 11:01:35 +0100 | [diff] [blame] | 175 | dl_tbf = tbf_alloc_dl_tbf(bts, NULL, trx_no, ms_class, egprs_ms_class, |
| 176 | true); |
Max | 9bbe160 | 2016-07-18 12:50:18 +0200 | [diff] [blame] | 177 | dl_tbf->set_ta(0); |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 178 | check_tbf(dl_tbf); |
| 179 | |
| 180 | /* "Establish" the DL TBF */ |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 181 | TBF_SET_ASS_STATE_DL(dl_tbf, GPRS_RLCMAC_DL_ASS_SEND_ASS); |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 182 | TBF_SET_STATE(dl_tbf, GPRS_RLCMAC_FLOW); |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 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; |
Max | 9dabfa2 | 2017-05-16 16:10:45 +0200 | [diff] [blame] | 201 | return fn % GSM_MAX_FN; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 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, |
Max | 878bd1f | 2016-07-20 13:05:05 +0200 | [diff] [blame] | 205 | uint8_t trx_no, uint8_t ts_no, |
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); |
Max | 878bd1f | 2016-07-20 13:05:05 +0200 | [diff] [blame] | 209 | gprs_rlcmac_rcv_rts_block(bts, trx_no, ts_no, *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, |
Max | 878bd1f | 2016-07-20 13:05:05 +0200 | [diff] [blame] | 220 | tbf->control_ts, fn, block_nr); |
Jacob Erlbeck | 64921d2 | 2015-08-24 11:34:47 +0200 | [diff] [blame] | 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 | |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 242 | printf("=== start %s ===\n", __func__); |
| 243 | |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 244 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 245 | gprs_rlcmac_tbf *new_tbf; |
| 246 | |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 247 | setup_bts(&the_bts, ts_no); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 248 | dl_tbf = create_dl_tbf(&the_bts, ms_class, 0, &trx_no); |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 249 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 250 | ms = dl_tbf->ms(); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 251 | |
| 252 | for (i = 0; i < sizeof(llc_data); i++) |
| 253 | llc_data[i] = i%256; |
| 254 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 255 | /* Schedule two LLC frames */ |
Daniel Willmann | 0f58af6 | 2014-09-19 11:57:21 +0200 | [diff] [blame] | 256 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 257 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 258 | |
| 259 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 260 | /* Send only a few RLC/MAC blocks */ |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 261 | fn = 0; |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 262 | do { |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 263 | /* Request to send one block */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 264 | request_dl_rlc_block(dl_tbf, &fn, &block_nr); |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 265 | } while (block_nr < 3); |
Jacob Erlbeck | 64921d2 | 2015-08-24 11:34:47 +0200 | [diff] [blame] | 266 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 267 | OSMO_ASSERT(dl_tbf->have_data()); |
| 268 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 269 | |
| 270 | /* Queue a final ACK */ |
| 271 | memset(rbb, 0, sizeof(rbb)); |
| 272 | /* Receive a final ACK */ |
Max | 7df82d4 | 2017-12-15 11:14:30 +0100 | [diff] [blame] | 273 | dl_tbf->rcvd_dl_ack(true, 1, rbb); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 274 | |
| 275 | /* Clean up and ensure tbfs are in the correct state */ |
| 276 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 277 | new_tbf = ms->dl_tbf(); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 278 | check_tbf(new_tbf); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 279 | OSMO_ASSERT(new_tbf != dl_tbf); |
| 280 | OSMO_ASSERT(new_tbf->tfi() == 1); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 281 | check_tbf(dl_tbf); |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 282 | TBF_SET_ASS_STATE_DL(dl_tbf, GPRS_RLCMAC_DL_ASS_NONE); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 283 | if (test_mode == TEST_MODE_REVERSE_FREE) { |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 284 | GprsMs::Guard guard(ms); |
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 | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 287 | check_tbf(dl_tbf); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 288 | tbf_free(dl_tbf); |
| 289 | } else { |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 290 | GprsMs::Guard guard(ms); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 291 | tbf_free(dl_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 292 | OSMO_ASSERT(ms->dl_tbf() == new_tbf); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 293 | check_tbf(new_tbf); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 294 | tbf_free(new_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 295 | OSMO_ASSERT(ms->dl_tbf() == NULL); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 296 | } |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 297 | |
| 298 | printf("=== end %s ===\n", __func__); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 299 | } |
| 300 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 301 | /* Receive an ACK */ |
| 302 | #define RCV_ACK(fin, tbf, rbb) do { \ |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 303 | tbf->rcvd_dl_ack(fin, tbf->window()->v_s(), rbb); \ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 304 | if (!fin) \ |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 305 | OSMO_ASSERT(tbf->window()->window_empty()); \ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 306 | } while(0) |
| 307 | |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 308 | static void test_tbf_delayed_release() |
| 309 | { |
| 310 | BTS the_bts; |
| 311 | gprs_rlcmac_bts *bts; |
| 312 | uint8_t ts_no = 4; |
| 313 | unsigned i; |
| 314 | uint8_t ms_class = 45; |
| 315 | uint32_t fn = 0; |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 316 | uint8_t trx_no; |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 317 | uint32_t tlli = 0xffeeddcc; |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 318 | |
| 319 | uint8_t rbb[64/8]; |
| 320 | |
| 321 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 322 | |
| 323 | printf("=== start %s ===\n", __func__); |
| 324 | |
| 325 | bts = the_bts.bts_data(); |
| 326 | |
| 327 | setup_bts(&the_bts, ts_no); |
| 328 | bts->dl_tbf_idle_msec = 200; |
| 329 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 330 | dl_tbf = create_dl_tbf(&the_bts, ms_class, 0, &trx_no); |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 331 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 332 | |
| 333 | for (i = 0; i < sizeof(llc_data); i++) |
| 334 | llc_data[i] = i%256; |
| 335 | |
| 336 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 337 | |
| 338 | /* Schedule two LLC frames */ |
| 339 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 340 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 341 | |
| 342 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 343 | |
| 344 | /* Drain the queue */ |
| 345 | while (dl_tbf->have_data()) |
| 346 | /* Request to send one RLC/MAC block */ |
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 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 350 | |
| 351 | /* ACK all blocks */ |
| 352 | memset(rbb, 0xff, sizeof(rbb)); |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 353 | |
| 354 | RCV_ACK(false, dl_tbf, rbb); /* Receive an ACK */ |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 355 | |
| 356 | /* Force sending of a single block containing an LLC dummy command */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 357 | request_dl_rlc_block(dl_tbf, &fn); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 358 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 359 | RCV_ACK(false, dl_tbf, rbb); /* Receive an ACK */ |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 360 | |
| 361 | /* Timeout (make sure fn % 52 remains valid) */ |
| 362 | fn += 52 * ((msecs_to_frames(bts->dl_tbf_idle_msec + 100) + 51)/ 52); |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 363 | request_dl_rlc_block(dl_tbf, &fn); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 364 | |
| 365 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FINISHED)); |
| 366 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 367 | RCV_ACK(true, dl_tbf, rbb); /* Receive a final ACK */ |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 368 | |
| 369 | /* Clean up and ensure tbfs are in the correct state */ |
| 370 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 371 | TBF_SET_ASS_STATE_DL(dl_tbf, GPRS_RLCMAC_DL_ASS_NONE); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 372 | check_tbf(dl_tbf); |
| 373 | tbf_free(dl_tbf); |
| 374 | printf("=== end %s ===\n", __func__); |
| 375 | } |
| 376 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 377 | static void test_tbf_imsi() |
| 378 | { |
| 379 | BTS the_bts; |
| 380 | uint8_t ts_no = 4; |
| 381 | uint8_t ms_class = 45; |
| 382 | uint8_t trx_no; |
| 383 | GprsMs *ms1, *ms2; |
| 384 | |
| 385 | gprs_rlcmac_dl_tbf *dl_tbf[2]; |
| 386 | |
| 387 | printf("=== start %s ===\n", __func__); |
| 388 | |
| 389 | setup_bts(&the_bts, ts_no); |
| 390 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 391 | dl_tbf[0] = create_dl_tbf(&the_bts, ms_class, 0, &trx_no); |
| 392 | dl_tbf[1] = create_dl_tbf(&the_bts, ms_class, 0, &trx_no); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 393 | |
| 394 | dl_tbf[0]->update_ms(0xf1000001, GPRS_RLCMAC_DL_TBF); |
| 395 | dl_tbf[1]->update_ms(0xf1000002, GPRS_RLCMAC_DL_TBF); |
| 396 | |
| 397 | dl_tbf[0]->assign_imsi("001001000000001"); |
| 398 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000001"); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 399 | OSMO_ASSERT(ms1 != NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 400 | ms2 = the_bts.ms_store().get_ms(0xf1000001); |
| 401 | OSMO_ASSERT(ms2 != NULL); |
| 402 | OSMO_ASSERT(strcmp(ms2->imsi(), "001001000000001") == 0); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 403 | OSMO_ASSERT(ms1 == ms2); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 404 | |
| 405 | /* change the IMSI on TBF 0 */ |
| 406 | dl_tbf[0]->assign_imsi("001001000000002"); |
| 407 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000001"); |
| 408 | OSMO_ASSERT(ms1 == NULL); |
| 409 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 410 | OSMO_ASSERT(ms1 != NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 411 | OSMO_ASSERT(strcmp(ms2->imsi(), "001001000000002") == 0); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 412 | OSMO_ASSERT(ms1 == ms2); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 413 | |
| 414 | /* use the same IMSI on TBF 2 */ |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 415 | { |
| 416 | GprsMs::Guard guard(ms2); |
| 417 | dl_tbf[1]->assign_imsi("001001000000002"); |
| 418 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
| 419 | OSMO_ASSERT(ms1 != NULL); |
| 420 | OSMO_ASSERT(ms1 != ms2); |
| 421 | OSMO_ASSERT(strcmp(ms1->imsi(), "001001000000002") == 0); |
| 422 | OSMO_ASSERT(strcmp(ms2->imsi(), "") == 0); |
| 423 | } |
| 424 | |
| 425 | ms2 = the_bts.ms_store().get_ms(0xf1000001); |
| 426 | OSMO_ASSERT(ms2 == NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 427 | |
| 428 | tbf_free(dl_tbf[1]); |
| 429 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
| 430 | OSMO_ASSERT(ms1 == NULL); |
| 431 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 432 | printf("=== end %s ===\n", __func__); |
| 433 | } |
| 434 | |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 435 | static void test_tbf_exhaustion() |
| 436 | { |
| 437 | BTS the_bts; |
| 438 | gprs_rlcmac_bts *bts; |
| 439 | unsigned i; |
| 440 | uint8_t ts_no = 4; |
| 441 | uint8_t ms_class = 45; |
| 442 | int rc = 0; |
| 443 | |
| 444 | uint8_t buf[256] = {0}; |
| 445 | |
| 446 | printf("=== start %s ===\n", __func__); |
| 447 | |
| 448 | bts = the_bts.bts_data(); |
| 449 | setup_bts(&the_bts, ts_no); |
| 450 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 451 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 452 | |
| 453 | for (i = 0; i < 1024; i++) { |
| 454 | uint32_t tlli = 0xc0000000 + i; |
| 455 | char imsi[16] = {0}; |
| 456 | unsigned delay_csec = 1000; |
| 457 | |
Jacob Erlbeck | 9a2845d | 2015-05-21 12:06:58 +0200 | [diff] [blame] | 458 | snprintf(imsi, sizeof(imsi), "001001%09d", i); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 459 | |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 460 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, 0, |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 461 | delay_csec, buf, sizeof(buf)); |
| 462 | |
| 463 | if (rc < 0) |
| 464 | break; |
| 465 | } |
| 466 | |
| 467 | OSMO_ASSERT(rc == -EBUSY); |
| 468 | printf("=== end %s ===\n", __func__); |
| 469 | |
| 470 | gprs_bssgp_destroy(); |
| 471 | } |
| 472 | |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 473 | static void test_tbf_dl_llc_loss() |
| 474 | { |
| 475 | BTS the_bts; |
| 476 | gprs_rlcmac_bts *bts; |
| 477 | uint8_t ts_no = 4; |
| 478 | uint8_t ms_class = 45; |
| 479 | int rc = 0; |
| 480 | uint32_t tlli = 0xc0123456; |
| 481 | const char *imsi = "001001000123456"; |
| 482 | unsigned delay_csec = 1000; |
| 483 | GprsMs *ms; |
| 484 | |
| 485 | uint8_t buf[19]; |
| 486 | |
| 487 | printf("=== start %s ===\n", __func__); |
| 488 | |
| 489 | bts = the_bts.bts_data(); |
| 490 | setup_bts(&the_bts, ts_no); |
| 491 | bts->ms_idle_sec = 10; /* keep the MS object */ |
| 492 | |
| 493 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 494 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 495 | |
| 496 | /* Handle LLC frame 1 */ |
| 497 | memset(buf, 1, sizeof(buf)); |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 498 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, 0, |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 499 | delay_csec, buf, sizeof(buf)); |
| 500 | OSMO_ASSERT(rc >= 0); |
| 501 | |
| 502 | ms = the_bts.ms_store().get_ms(0, 0, imsi); |
| 503 | OSMO_ASSERT(ms != NULL); |
| 504 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
Max | 9bbe160 | 2016-07-18 12:50:18 +0200 | [diff] [blame] | 505 | ms->dl_tbf()->set_ta(0); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 506 | |
| 507 | /* Handle LLC frame 2 */ |
| 508 | memset(buf, 2, sizeof(buf)); |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 509 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, 0, |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 510 | delay_csec, buf, sizeof(buf)); |
| 511 | OSMO_ASSERT(rc >= 0); |
| 512 | |
| 513 | /* TBF establishment fails (timeout) */ |
| 514 | tbf_free(ms->dl_tbf()); |
| 515 | |
| 516 | /* Handle LLC frame 3 */ |
| 517 | memset(buf, 3, sizeof(buf)); |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 518 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, 0, |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 519 | delay_csec, buf, sizeof(buf)); |
| 520 | OSMO_ASSERT(rc >= 0); |
| 521 | |
| 522 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
| 523 | |
| 524 | /* Get first BSN */ |
| 525 | struct msgb *msg; |
| 526 | int fn = 0; |
| 527 | uint8_t expected_data = 1; |
| 528 | |
| 529 | while (ms->dl_tbf()->have_data()) { |
| 530 | msg = ms->dl_tbf()->create_dl_acked_block(fn += 4, 7); |
| 531 | fprintf(stderr, "MSG = %s\n", msgb_hexdump(msg)); |
| 532 | OSMO_ASSERT(msgb_length(msg) == 23); |
Jacob Erlbeck | 409efa1 | 2015-06-12 14:06:09 +0200 | [diff] [blame] | 533 | OSMO_ASSERT(msgb_data(msg)[10] == expected_data); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 534 | expected_data += 1; |
| 535 | } |
Jacob Erlbeck | 409efa1 | 2015-06-12 14:06:09 +0200 | [diff] [blame] | 536 | OSMO_ASSERT(expected_data-1 == 3); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 537 | |
| 538 | printf("=== end %s ===\n", __func__); |
| 539 | |
| 540 | gprs_bssgp_destroy(); |
| 541 | } |
| 542 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 543 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_single_phase(BTS *the_bts, |
| 544 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta) |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 545 | { |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 546 | GprsMs *ms; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 547 | int tfi = 0; |
| 548 | gprs_rlcmac_ul_tbf *ul_tbf; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 549 | uint8_t trx_no = 0; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 550 | struct gprs_rlcmac_pdch *pdch; |
Jacob Erlbeck | 20f6fd1 | 2015-06-08 11:05:45 +0200 | [diff] [blame] | 551 | struct pcu_l1_meas meas; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 552 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 553 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 554 | |
bhargava | 959d1de | 2016-08-17 15:17:21 +0530 | [diff] [blame] | 555 | the_bts->rcv_rach(0x03, *fn, qta, 0, GSM_L1_BURST_TYPE_ACCESS_0); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 556 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 557 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 558 | OSMO_ASSERT(ul_tbf != NULL); |
| 559 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 560 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 561 | |
| 562 | uint8_t data_msg[23] = { |
| 563 | 0x00, /* GPRS_RLCMAC_DATA_BLOCK << 6 */ |
| 564 | uint8_t(1 | (tfi << 2)), |
| 565 | uint8_t(1), /* BSN:7, E:1 */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 566 | uint8_t(tlli >> 24), uint8_t(tlli >> 16), |
| 567 | uint8_t(tlli >> 8), uint8_t(tlli), /* TLLI */ |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 568 | }; |
| 569 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 570 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 571 | pdch->rcv_block(&data_msg[0], sizeof(data_msg), *fn, &meas); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 572 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 573 | ms = the_bts->ms_by_tlli(tlli); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 574 | OSMO_ASSERT(ms != NULL); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 575 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 576 | return ul_tbf; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 577 | } |
| 578 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 579 | static void send_ul_mac_block(BTS *the_bts, unsigned trx_no, unsigned ts_no, |
| 580 | RlcMacUplink_t *ulreq, unsigned fn) |
| 581 | { |
| 582 | bitvec *rlc_block; |
| 583 | uint8_t buf[64]; |
| 584 | int num_bytes; |
| 585 | struct gprs_rlcmac_pdch *pdch; |
| 586 | struct pcu_l1_meas meas; |
| 587 | |
| 588 | meas.set_rssi(31); |
| 589 | |
Alexander Couzens | ccde5c9 | 2017-02-04 03:10:08 +0100 | [diff] [blame] | 590 | rlc_block = bitvec_alloc(23, tall_pcu_ctx); |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 591 | |
| 592 | encode_gsm_rlcmac_uplink(rlc_block, ulreq); |
| 593 | num_bytes = bitvec_pack(rlc_block, &buf[0]); |
| 594 | OSMO_ASSERT(size_t(num_bytes) < sizeof(buf)); |
| 595 | bitvec_free(rlc_block); |
| 596 | |
Jacob Erlbeck | af75ce8 | 2015-08-26 13:22:28 +0200 | [diff] [blame] | 597 | the_bts->set_current_block_frame_number(fn, 0); |
| 598 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 599 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 600 | pdch->rcv_block(&buf[0], num_bytes, fn, &meas); |
| 601 | } |
| 602 | |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 603 | static void send_control_ack(gprs_rlcmac_tbf *tbf) |
| 604 | { |
| 605 | RlcMacUplink_t ulreq = {0}; |
| 606 | |
| 607 | OSMO_ASSERT(tbf->poll_fn != 0); |
Jacob Erlbeck | 8eb1714 | 2016-01-22 17:58:17 +0100 | [diff] [blame] | 608 | OSMO_ASSERT(tbf->is_control_ts(tbf->poll_ts)); |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 609 | |
| 610 | ulreq.u.MESSAGE_TYPE = MT_PACKET_CONTROL_ACK; |
| 611 | Packet_Control_Acknowledgement_t *ctrl_ack = |
| 612 | &ulreq.u.Packet_Control_Acknowledgement; |
| 613 | |
| 614 | ctrl_ack->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 615 | ctrl_ack->TLLI = tbf->tlli(); |
Jacob Erlbeck | 8eb1714 | 2016-01-22 17:58:17 +0100 | [diff] [blame] | 616 | send_ul_mac_block(tbf->bts, tbf->trx->trx_no, tbf->poll_ts, |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 617 | &ulreq, tbf->poll_fn); |
| 618 | } |
| 619 | |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 620 | static gprs_rlcmac_ul_tbf *puan_urbb_len_issue(BTS *the_bts, |
| 621 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 622 | uint8_t ms_class, uint8_t egprs_ms_class) |
| 623 | { |
| 624 | GprsMs *ms; |
| 625 | uint32_t rach_fn = *fn - 51; |
| 626 | uint32_t sba_fn = *fn + 52; |
| 627 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 628 | int tfi = 0; |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 629 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 630 | struct gprs_rlcmac_pdch *pdch; |
| 631 | gprs_rlcmac_bts *bts; |
| 632 | RlcMacUplink_t ulreq = {0}; |
| 633 | struct pcu_l1_meas meas; |
| 634 | struct gprs_rlc_ul_header_egprs_3 *egprs3 = NULL; |
| 635 | GprsCodingScheme cs; |
| 636 | |
| 637 | meas.set_rssi(31); |
| 638 | bts = the_bts->bts_data(); |
| 639 | |
| 640 | /* needed to set last_rts_fn in the PDCH object */ |
| 641 | request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| 642 | |
| 643 | /* |
| 644 | * simulate RACH, this sends an Immediate |
| 645 | * Assignment Uplink on the AGCH |
| 646 | */ |
Aravind Sirsikar | fd71384 | 2016-08-28 17:55:05 +0530 | [diff] [blame] | 647 | the_bts->rcv_rach(0x73, rach_fn, qta, 0, GSM_L1_BURST_TYPE_ACCESS_0); |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 648 | |
| 649 | /* get next free TFI */ |
| 650 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| 651 | |
| 652 | /* fake a resource request */ |
| 653 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 654 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 655 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 656 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
| 657 | ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability = 1; |
| 658 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 659 | Count_MS_RA_capability_value = 1; |
| 660 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 661 | MS_RA_capability_value[0].u.Content. |
| 662 | Exist_Multislot_capability = 1; |
| 663 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 664 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 665 | Exist_GPRS_multislot_class = 1; |
| 666 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 667 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 668 | GPRS_multislot_class = ms_class; |
| 669 | if (egprs_ms_class) { |
| 670 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 671 | MS_RA_capability_value[0].u.Content. |
| 672 | Multislot_capability.Exist_EGPRS_multislot_class = 1; |
| 673 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 674 | MS_RA_capability_value[0].u.Content. |
| 675 | Multislot_capability.EGPRS_multislot_class = ms_class; |
| 676 | } |
| 677 | |
| 678 | send_ul_mac_block(the_bts, trx_no, ts_no, &ulreq, sba_fn); |
| 679 | |
| 680 | /* check the TBF */ |
| 681 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
| 682 | OSMO_ASSERT(ul_tbf); |
| 683 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 684 | |
| 685 | /* send packet uplink assignment */ |
| 686 | *fn = sba_fn; |
| 687 | request_dl_rlc_block(ul_tbf, fn); |
| 688 | |
| 689 | /* send real acknowledgement */ |
| 690 | send_control_ack(ul_tbf); |
| 691 | |
| 692 | check_tbf(ul_tbf); |
| 693 | /* send fake data */ |
| 694 | uint8_t data_msg[42] = { |
| 695 | 0xf << 2, /* GPRS_RLCMAC_DATA_BLOCK << 6, CV = 15 */ |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 696 | (uint8_t)(tfi << 1), |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 697 | 1, /* BSN:7, E:1 */ |
| 698 | }; |
| 699 | |
| 700 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 701 | pdch->rcv_block(&data_msg[0], 23, *fn, &meas); |
| 702 | |
| 703 | ms = the_bts->ms_by_tlli(tlli); |
| 704 | OSMO_ASSERT(ms != NULL); |
| 705 | OSMO_ASSERT(ms->ta() == qta/4); |
| 706 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 707 | |
| 708 | /* |
| 709 | * TS 44.060, B.8.1 |
| 710 | * first seg received first, later second seg |
| 711 | */ |
| 712 | cs = GprsCodingScheme::MCS3; |
| 713 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 714 | egprs3->si = 0; |
| 715 | egprs3->r = 1; |
| 716 | egprs3->cv = 7; |
| 717 | egprs3->tfi_hi = tfi & 0x03; |
| 718 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 719 | egprs3->bsn1_hi = 1; |
| 720 | egprs3->bsn1_lo = 0; |
| 721 | egprs3->cps_hi = 1; |
| 722 | data_msg[3] = 0xff; |
| 723 | egprs3->pi = 0; |
| 724 | egprs3->cps_lo = 1; |
| 725 | egprs3->rsb = 0; |
| 726 | egprs3->spb = 0; |
| 727 | egprs3->pi = 0; |
| 728 | |
| 729 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 730 | |
| 731 | struct msgb *msg1 = ul_tbf->create_ul_ack(*fn, ts_no); |
| 732 | |
| 733 | OSMO_ASSERT(!strcmp(osmo_hexdump(msg1->data, msg1->data_len), |
| 734 | "40 24 01 3f 3e 24 46 68 90 87 b0 06 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b " |
| 735 | )); |
| 736 | |
| 737 | egprs3->si = 0; |
| 738 | egprs3->r = 1; |
| 739 | egprs3->cv = 7; |
| 740 | egprs3->tfi_hi = tfi & 0x03; |
| 741 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 742 | egprs3->bsn1_hi = 4; |
| 743 | egprs3->bsn1_lo = 0; |
| 744 | egprs3->cps_hi = 1; |
| 745 | data_msg[3] = 0xff; |
| 746 | egprs3->pi = 0; |
| 747 | egprs3->cps_lo = 1; |
| 748 | egprs3->rsb = 0; |
| 749 | egprs3->spb = 0; |
| 750 | |
| 751 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 752 | |
| 753 | msg1 = ul_tbf->create_ul_ack(*fn, ts_no); |
| 754 | |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 755 | OSMO_ASSERT(!strcmp(osmo_hexdump(msg1->data, msg1->data_len), |
Aravind Sirsikar | eebcb1e | 2016-08-25 16:40:23 +0530 | [diff] [blame] | 756 | "40 24 01 3f 3e 24 46 68 90 88 b0 06 8b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b " |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 757 | )); |
| 758 | |
| 759 | return ul_tbf; |
| 760 | } |
| 761 | |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 762 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_spb(BTS *the_bts, |
| 763 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 764 | uint8_t ms_class, uint8_t egprs_ms_class) |
| 765 | { |
| 766 | GprsMs *ms; |
| 767 | uint32_t rach_fn = *fn - 51; |
| 768 | uint32_t sba_fn = *fn + 52; |
| 769 | uint8_t trx_no = 0; |
| 770 | int tfi = 0, i = 0; |
| 771 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 772 | struct gprs_rlcmac_pdch *pdch; |
| 773 | gprs_rlcmac_bts *bts; |
| 774 | RlcMacUplink_t ulreq = {0}; |
| 775 | struct pcu_l1_meas meas; |
| 776 | struct gprs_rlc_ul_header_egprs_3 *egprs3 = NULL; |
| 777 | GprsCodingScheme cs; |
| 778 | |
| 779 | meas.set_rssi(31); |
| 780 | bts = the_bts->bts_data(); |
| 781 | |
| 782 | /* needed to set last_rts_fn in the PDCH object */ |
| 783 | request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| 784 | |
| 785 | /* |
| 786 | * simulate RACH, this sends an Immediate |
| 787 | * Assignment Uplink on the AGCH |
| 788 | */ |
bhargava | 959d1de | 2016-08-17 15:17:21 +0530 | [diff] [blame] | 789 | the_bts->rcv_rach(0x73, rach_fn, qta, 0, GSM_L1_BURST_TYPE_ACCESS_0); |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 790 | |
| 791 | /* get next free TFI */ |
| 792 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| 793 | |
| 794 | /* fake a resource request */ |
| 795 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 796 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 797 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 798 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
| 799 | ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability = 1; |
| 800 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 801 | Count_MS_RA_capability_value = 1; |
| 802 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 803 | MS_RA_capability_value[0].u.Content. |
| 804 | Exist_Multislot_capability = 1; |
| 805 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 806 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 807 | Exist_GPRS_multislot_class = 1; |
| 808 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 809 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 810 | GPRS_multislot_class = ms_class; |
| 811 | if (egprs_ms_class) { |
| 812 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 813 | MS_RA_capability_value[0].u.Content. |
| 814 | Multislot_capability.Exist_EGPRS_multislot_class = 1; |
| 815 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 816 | MS_RA_capability_value[0].u.Content. |
| 817 | Multislot_capability.EGPRS_multislot_class = ms_class; |
| 818 | } |
| 819 | |
| 820 | send_ul_mac_block(the_bts, trx_no, ts_no, &ulreq, sba_fn); |
| 821 | |
| 822 | /* check the TBF */ |
| 823 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
| 824 | OSMO_ASSERT(ul_tbf != NULL); |
| 825 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 826 | |
| 827 | /* send packet uplink assignment */ |
| 828 | *fn = sba_fn; |
| 829 | request_dl_rlc_block(ul_tbf, fn); |
| 830 | |
| 831 | /* send real acknowledgement */ |
| 832 | send_control_ack(ul_tbf); |
| 833 | |
| 834 | check_tbf(ul_tbf); |
| 835 | |
| 836 | /* send fake data */ |
| 837 | uint8_t data_msg[42] = { |
| 838 | 0x00 | 0xf << 2, /* GPRS_RLCMAC_DATA_BLOCK << 6, CV = 15 */ |
| 839 | uint8_t(0 | (tfi << 1)), |
| 840 | uint8_t(1), /* BSN:7, E:1 */ |
| 841 | }; |
| 842 | |
| 843 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 844 | pdch->rcv_block(&data_msg[0], 23, *fn, &meas); |
| 845 | |
| 846 | ms = the_bts->ms_by_tlli(tlli); |
| 847 | OSMO_ASSERT(ms != NULL); |
| 848 | OSMO_ASSERT(ms->ta() == qta/4); |
| 849 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 850 | |
| 851 | /* |
| 852 | * TS 44.060, B.8.1 |
| 853 | * first seg received first, later second seg |
| 854 | */ |
| 855 | cs = GprsCodingScheme::MCS3; |
| 856 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 857 | egprs3->si = 1; |
| 858 | egprs3->r = 1; |
| 859 | egprs3->cv = 7; |
| 860 | egprs3->tfi_hi = tfi & 0x03; |
| 861 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 862 | egprs3->bsn1_hi = 1; |
| 863 | egprs3->bsn1_lo = 0; |
| 864 | egprs3->cps_hi = 1; |
| 865 | data_msg[3] = 0xff; |
| 866 | egprs3->pi = 0; |
| 867 | egprs3->cps_lo = 1; |
| 868 | egprs3->rsb = 0; |
| 869 | egprs3->spb = 2; |
| 870 | egprs3->pi = 0; |
| 871 | |
| 872 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 873 | |
| 874 | struct gprs_rlc_data *block = ul_tbf->m_rlc.block(1); |
| 875 | |
| 876 | /* check the status of the block */ |
| 877 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 878 | EGPRS_RESEG_FIRST_SEG_RXD); |
| 879 | |
| 880 | egprs3->si = 1; |
| 881 | egprs3->r = 1; |
| 882 | egprs3->cv = 7; |
| 883 | egprs3->tfi_hi = tfi & 0x03; |
| 884 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 885 | egprs3->bsn1_hi = 1; |
| 886 | egprs3->bsn1_lo = 0; |
| 887 | egprs3->cps_hi = 1; |
| 888 | data_msg[3] = 0xff; |
| 889 | egprs3->pi = 0; |
| 890 | egprs3->cps_lo = 1; |
| 891 | egprs3->rsb = 0; |
| 892 | egprs3->spb = 3; |
| 893 | |
| 894 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 895 | |
| 896 | /* check the status of the block */ |
| 897 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 898 | EGPRS_RESEG_DEFAULT); |
| 899 | OSMO_ASSERT(block->cs_last == |
| 900 | GprsCodingScheme::MCS6); |
| 901 | /* Assembled MCS is MCS6. so the size is 74 */ |
| 902 | OSMO_ASSERT(block->len == 74); |
| 903 | |
| 904 | /* |
| 905 | * TS 44.060, B.8.1 |
| 906 | * second seg first, later first seg |
| 907 | */ |
| 908 | memset(data_msg, 0, sizeof(data_msg)); |
| 909 | |
| 910 | cs = GprsCodingScheme::MCS3; |
| 911 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 912 | egprs3->si = 1; |
| 913 | egprs3->r = 1; |
| 914 | egprs3->cv = 7; |
| 915 | egprs3->tfi_hi = tfi & 0x03; |
| 916 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 917 | egprs3->bsn1_hi = 2; |
| 918 | egprs3->bsn1_lo = 0; |
| 919 | egprs3->cps_hi = 1; |
| 920 | data_msg[3] = 0xff; |
| 921 | egprs3->pi = 0; |
| 922 | egprs3->cps_lo = 1; |
| 923 | egprs3->rsb = 0; |
| 924 | egprs3->spb = 3; |
| 925 | egprs3->pi = 0; |
| 926 | |
| 927 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 928 | |
| 929 | block = ul_tbf->m_rlc.block(2); |
| 930 | /* check the status of the block */ |
| 931 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 932 | EGPRS_RESEG_SECOND_SEG_RXD); |
| 933 | |
| 934 | egprs3->si = 1; |
| 935 | egprs3->r = 1; |
| 936 | egprs3->cv = 7; |
| 937 | egprs3->tfi_hi = tfi & 0x03; |
| 938 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 939 | egprs3->bsn1_hi = 2; |
| 940 | egprs3->bsn1_lo = 0; |
| 941 | egprs3->cps_hi = 1; |
| 942 | data_msg[3] = 0xff; |
| 943 | egprs3->pi = 0; |
| 944 | egprs3->cps_lo = 1; |
| 945 | egprs3->rsb = 0; |
| 946 | egprs3->spb = 2; |
| 947 | egprs3->pi = 0; |
| 948 | |
| 949 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 950 | |
| 951 | /* check the status of the block */ |
| 952 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 953 | EGPRS_RESEG_DEFAULT); |
| 954 | OSMO_ASSERT(block->cs_last == |
| 955 | GprsCodingScheme::MCS6); |
| 956 | /* Assembled MCS is MCS6. so the size is 74 */ |
| 957 | OSMO_ASSERT(block->len == 74); |
| 958 | |
| 959 | /* |
| 960 | * TS 44.060, B.8.1 |
| 961 | * Error scenario with spb as 1 |
| 962 | */ |
| 963 | cs = GprsCodingScheme::MCS3; |
| 964 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 965 | egprs3->si = 1; |
| 966 | egprs3->r = 1; |
| 967 | egprs3->cv = 7; |
| 968 | egprs3->tfi_hi = tfi & 0x03; |
| 969 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 970 | egprs3->bsn1_hi = 3; |
| 971 | egprs3->bsn1_lo = 0; |
| 972 | egprs3->cps_hi = 1; |
| 973 | data_msg[3] = 0xff; |
| 974 | egprs3->pi = 0; |
| 975 | egprs3->cps_lo = 1; |
| 976 | egprs3->rsb = 0; |
| 977 | egprs3->spb = 1; |
| 978 | egprs3->pi = 0; |
| 979 | |
| 980 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 981 | |
| 982 | block = ul_tbf->m_rlc.block(3); |
| 983 | /* check the status of the block */ |
| 984 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 985 | EGPRS_RESEG_DEFAULT); |
| 986 | /* |
| 987 | * TS 44.060, B.8.1 |
| 988 | * comparison of rlc_data for multiple scenarios |
| 989 | * Receive First, the second(BSN 3) |
| 990 | * Receive First, First then Second(BSN 4) |
| 991 | * Receive Second then First(BSN 5) |
| 992 | * after above 3 scenarios are triggered, |
| 993 | * rlc_data of all 3 BSN are compared |
| 994 | */ |
| 995 | |
| 996 | /* Initialize the data_msg */ |
| 997 | for (i = 0; i < 42; i++) |
| 998 | data_msg[i] = i; |
| 999 | |
| 1000 | cs = GprsCodingScheme::MCS3; |
| 1001 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1002 | egprs3->si = 1; |
| 1003 | egprs3->r = 1; |
| 1004 | egprs3->cv = 7; |
| 1005 | egprs3->tfi_hi = tfi & 0x03; |
| 1006 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1007 | egprs3->bsn1_hi = 3; |
| 1008 | egprs3->bsn1_lo = 0; |
| 1009 | egprs3->cps_hi = 1; |
| 1010 | data_msg[3] = 0xff; |
| 1011 | egprs3->pi = 0; |
| 1012 | egprs3->cps_lo = 1; |
| 1013 | egprs3->rsb = 0; |
| 1014 | egprs3->spb = 2; |
| 1015 | egprs3->pi = 0; |
| 1016 | |
| 1017 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1018 | |
| 1019 | block = ul_tbf->m_rlc.block(3); |
| 1020 | /* check the status of the block */ |
| 1021 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1022 | EGPRS_RESEG_FIRST_SEG_RXD); |
| 1023 | |
| 1024 | cs = GprsCodingScheme::MCS3; |
| 1025 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1026 | egprs3->si = 1; |
| 1027 | egprs3->r = 1; |
| 1028 | egprs3->cv = 7; |
| 1029 | egprs3->tfi_hi = tfi & 0x03; |
| 1030 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1031 | egprs3->bsn1_hi = 3; |
| 1032 | egprs3->bsn1_lo = 0; |
| 1033 | egprs3->cps_hi = 1; |
| 1034 | data_msg[3] = 0xff; |
| 1035 | egprs3->pi = 0; |
| 1036 | egprs3->cps_lo = 1; |
| 1037 | egprs3->rsb = 0; |
| 1038 | egprs3->spb = 3; |
| 1039 | egprs3->pi = 0; |
| 1040 | |
| 1041 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1042 | |
| 1043 | block = ul_tbf->m_rlc.block(3); |
| 1044 | /* check the status of the block */ |
| 1045 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1046 | EGPRS_RESEG_DEFAULT); |
| 1047 | /* Assembled MCS is MCS6. so the size is 74 */ |
| 1048 | OSMO_ASSERT(block->len == 74); |
| 1049 | OSMO_ASSERT(block->cs_last == |
| 1050 | GprsCodingScheme::MCS6); |
| 1051 | |
| 1052 | cs = GprsCodingScheme::MCS3; |
| 1053 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1054 | egprs3->si = 1; |
| 1055 | egprs3->r = 1; |
| 1056 | egprs3->cv = 7; |
| 1057 | egprs3->tfi_hi = tfi & 0x03; |
| 1058 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1059 | egprs3->bsn1_hi = 4; |
| 1060 | egprs3->bsn1_lo = 0; |
| 1061 | egprs3->cps_hi = 1; |
| 1062 | data_msg[3] = 0xff; |
| 1063 | egprs3->pi = 0; |
| 1064 | egprs3->cps_lo = 1; |
| 1065 | egprs3->rsb = 0; |
| 1066 | egprs3->spb = 2; |
| 1067 | egprs3->pi = 0; |
| 1068 | |
| 1069 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1070 | |
| 1071 | block = ul_tbf->m_rlc.block(4); |
| 1072 | /* check the status of the block */ |
| 1073 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1074 | EGPRS_RESEG_FIRST_SEG_RXD); |
| 1075 | |
| 1076 | cs = GprsCodingScheme::MCS3; |
| 1077 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1078 | egprs3->si = 1; |
| 1079 | egprs3->r = 1; |
| 1080 | egprs3->cv = 7; |
| 1081 | egprs3->tfi_hi = tfi & 0x03; |
| 1082 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1083 | egprs3->bsn1_hi = 4; |
| 1084 | egprs3->bsn1_lo = 0; |
| 1085 | egprs3->cps_hi = 1; |
| 1086 | data_msg[3] = 0xff; |
| 1087 | egprs3->pi = 0; |
| 1088 | egprs3->cps_lo = 1; |
| 1089 | egprs3->rsb = 0; |
| 1090 | egprs3->spb = 2; |
| 1091 | egprs3->pi = 0; |
| 1092 | |
| 1093 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1094 | |
| 1095 | block = ul_tbf->m_rlc.block(4); |
| 1096 | /* check the status of the block */ |
| 1097 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1098 | EGPRS_RESEG_FIRST_SEG_RXD); |
| 1099 | |
| 1100 | cs = GprsCodingScheme::MCS3; |
| 1101 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1102 | egprs3->si = 1; |
| 1103 | egprs3->r = 1; |
| 1104 | egprs3->cv = 7; |
| 1105 | egprs3->tfi_hi = tfi & 0x03; |
| 1106 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1107 | egprs3->bsn1_hi = 4; |
| 1108 | egprs3->bsn1_lo = 0; |
| 1109 | egprs3->cps_hi = 1; |
| 1110 | data_msg[3] = 0xff; |
| 1111 | egprs3->pi = 0; |
| 1112 | egprs3->cps_lo = 1; |
| 1113 | egprs3->rsb = 0; |
| 1114 | egprs3->spb = 3; |
| 1115 | egprs3->pi = 0; |
| 1116 | |
| 1117 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1118 | |
| 1119 | block = ul_tbf->m_rlc.block(4); |
| 1120 | /* check the status of the block */ |
| 1121 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1122 | EGPRS_RESEG_DEFAULT); |
| 1123 | OSMO_ASSERT(block->cs_last == |
| 1124 | GprsCodingScheme::MCS6); |
| 1125 | /* Assembled MCS is MCS6. so the size is 74 */ |
| 1126 | OSMO_ASSERT(block->len == 74); |
| 1127 | |
| 1128 | cs = GprsCodingScheme::MCS3; |
| 1129 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1130 | egprs3->si = 1; |
| 1131 | egprs3->r = 1; |
| 1132 | egprs3->cv = 7; |
| 1133 | egprs3->tfi_hi = tfi & 0x03; |
| 1134 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1135 | egprs3->bsn1_hi = 5; |
| 1136 | egprs3->bsn1_lo = 0; |
| 1137 | egprs3->cps_hi = 1; |
| 1138 | data_msg[3] = 0xff; |
| 1139 | egprs3->pi = 0; |
| 1140 | egprs3->cps_lo = 1; |
| 1141 | egprs3->rsb = 0; |
| 1142 | egprs3->spb = 3; |
| 1143 | egprs3->pi = 0; |
| 1144 | |
| 1145 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1146 | |
| 1147 | block = ul_tbf->m_rlc.block(5); |
| 1148 | /* check the status of the block */ |
| 1149 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1150 | EGPRS_RESEG_SECOND_SEG_RXD); |
| 1151 | |
| 1152 | cs = GprsCodingScheme::MCS3; |
| 1153 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1154 | egprs3->si = 1; |
| 1155 | egprs3->r = 1; |
| 1156 | egprs3->cv = 7; |
| 1157 | egprs3->tfi_hi = tfi & 0x03; |
| 1158 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1159 | egprs3->bsn1_hi = 5; |
| 1160 | egprs3->bsn1_lo = 0; |
| 1161 | egprs3->cps_hi = 1; |
| 1162 | data_msg[3] = 0xff; |
| 1163 | egprs3->pi = 0; |
| 1164 | egprs3->cps_lo = 1; |
| 1165 | egprs3->rsb = 0; |
| 1166 | egprs3->spb = 2; |
| 1167 | egprs3->pi = 0; |
| 1168 | |
| 1169 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1170 | |
| 1171 | block = ul_tbf->m_rlc.block(5); |
| 1172 | |
| 1173 | /* check the status of the block */ |
| 1174 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1175 | EGPRS_RESEG_DEFAULT); |
| 1176 | OSMO_ASSERT(block->cs_last == |
| 1177 | GprsCodingScheme::MCS6); |
| 1178 | /* Assembled MCS is MCS6. so the size is 74 */ |
| 1179 | OSMO_ASSERT(block->len == 74); |
| 1180 | |
| 1181 | OSMO_ASSERT(ul_tbf->m_rlc.block(5)->len == |
| 1182 | ul_tbf->m_rlc.block(4)->len); |
| 1183 | OSMO_ASSERT(ul_tbf->m_rlc.block(5)->len == |
| 1184 | ul_tbf->m_rlc.block(3)->len); |
| 1185 | |
| 1186 | /* Compare the spb status of each BSNs(3,4,5). should be same */ |
| 1187 | OSMO_ASSERT( |
| 1188 | ul_tbf->m_rlc.block(5)->spb_status.block_status_ul == |
| 1189 | ul_tbf->m_rlc.block(4)->spb_status.block_status_ul); |
| 1190 | OSMO_ASSERT( |
| 1191 | ul_tbf->m_rlc.block(5)->spb_status.block_status_ul == |
| 1192 | ul_tbf->m_rlc.block(3)->spb_status.block_status_ul); |
| 1193 | |
| 1194 | /* Compare the Assembled MCS of each BSNs(3,4,5). should be same */ |
| 1195 | OSMO_ASSERT(ul_tbf->m_rlc.block(5)->cs_last == |
| 1196 | ul_tbf->m_rlc.block(4)->cs_last); |
| 1197 | OSMO_ASSERT(ul_tbf->m_rlc.block(5)->cs_last == |
| 1198 | ul_tbf->m_rlc.block(3)->cs_last); |
| 1199 | |
| 1200 | /* Compare the data of each BSNs(3,4,5). should be same */ |
| 1201 | OSMO_ASSERT( |
| 1202 | !memcmp(ul_tbf->m_rlc.block(5)->block, |
| 1203 | ul_tbf->m_rlc.block(4)->block, ul_tbf->m_rlc.block(5)->len |
| 1204 | )); |
| 1205 | OSMO_ASSERT( |
| 1206 | !memcmp(ul_tbf->m_rlc.block(5)->block, |
| 1207 | ul_tbf->m_rlc.block(3)->block, ul_tbf->m_rlc.block(5)->len |
| 1208 | )); |
| 1209 | |
| 1210 | return ul_tbf; |
| 1211 | } |
| 1212 | |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1213 | static gprs_rlcmac_ul_tbf *establish_ul_tbf(BTS *the_bts, |
| 1214 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 1215 | uint8_t ms_class, uint8_t egprs_ms_class) |
| 1216 | { |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1217 | uint32_t rach_fn = *fn - 51; |
| 1218 | uint32_t sba_fn = *fn + 52; |
| 1219 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1220 | int tfi = 0; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1221 | gprs_rlcmac_ul_tbf *ul_tbf; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1222 | gprs_rlcmac_bts *bts; |
| 1223 | RlcMacUplink_t ulreq = {0}; |
| 1224 | struct pcu_l1_meas meas; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1225 | GprsCodingScheme cs; |
| 1226 | |
| 1227 | meas.set_rssi(31); |
| 1228 | bts = the_bts->bts_data(); |
| 1229 | |
| 1230 | /* needed to set last_rts_fn in the PDCH object */ |
| 1231 | request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| 1232 | |
| 1233 | /* |
| 1234 | * simulate RACH, this sends an Immediate |
| 1235 | * Assignment Uplink on the AGCH |
| 1236 | */ |
| 1237 | the_bts->rcv_rach(0x73, rach_fn, qta, 0, GSM_L1_BURST_TYPE_ACCESS_0); |
| 1238 | |
| 1239 | /* get next free TFI */ |
| 1240 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| 1241 | |
| 1242 | /* fake a resource request */ |
| 1243 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 1244 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 1245 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 1246 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
| 1247 | ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability = 1; |
| 1248 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1249 | Count_MS_RA_capability_value = 1; |
| 1250 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1251 | MS_RA_capability_value[0].u.Content. |
| 1252 | Exist_Multislot_capability = 1; |
| 1253 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1254 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1255 | Exist_GPRS_multislot_class = 1; |
| 1256 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1257 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1258 | GPRS_multislot_class = ms_class; |
| 1259 | if (egprs_ms_class) { |
| 1260 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1261 | MS_RA_capability_value[0].u.Content. |
| 1262 | Multislot_capability.Exist_EGPRS_multislot_class = 1; |
| 1263 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1264 | MS_RA_capability_value[0].u.Content. |
| 1265 | Multislot_capability.EGPRS_multislot_class = ms_class; |
| 1266 | } |
| 1267 | send_ul_mac_block(the_bts, trx_no, ts_no, &ulreq, sba_fn); |
| 1268 | |
| 1269 | /* check the TBF */ |
| 1270 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
| 1271 | /* send packet uplink assignment */ |
| 1272 | *fn = sba_fn; |
| 1273 | request_dl_rlc_block(ul_tbf, fn); |
| 1274 | |
| 1275 | /* send real acknowledgement */ |
| 1276 | send_control_ack(ul_tbf); |
| 1277 | |
| 1278 | check_tbf(ul_tbf); |
| 1279 | |
| 1280 | return ul_tbf; |
| 1281 | } |
| 1282 | |
| 1283 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_puan_URBB_no_length(BTS *the_bts, |
| 1284 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 1285 | uint8_t ms_class, uint8_t egprs_ms_class, gprs_rlcmac_ul_tbf *ul_tbf) |
| 1286 | { |
| 1287 | OSMO_ASSERT(ul_tbf); |
| 1288 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 1289 | GprsMs *ms; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1290 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1291 | int tfi = 0; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1292 | struct gprs_rlcmac_pdch *pdch; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1293 | struct pcu_l1_meas meas; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1294 | GprsCodingScheme cs; |
| 1295 | |
| 1296 | |
| 1297 | /* send fake data with cv=0*/ |
| 1298 | struct gprs_rlc_ul_header_egprs_3 *hdr3 = NULL; |
| 1299 | uint8_t data[49] = {0}; |
| 1300 | |
| 1301 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1302 | |
| 1303 | /*header_construction */ |
| 1304 | memset(data, 0x2b, sizeof(data)); |
| 1305 | /* Message with CRBB */ |
| 1306 | for (int i = 0 ; i < 80; i++) { |
| 1307 | hdr3->r = 0; |
| 1308 | hdr3->si = 0; |
| 1309 | hdr3->cv = 10; |
| 1310 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1311 | hdr3->tfi_lo = tfi & 0x7; |
| 1312 | hdr3->bsn1_hi = ((i * 2)&0x1f); |
| 1313 | hdr3->bsn1_lo = ((i * 2)/32); |
| 1314 | hdr3->cps_hi = 0; |
| 1315 | hdr3->cps_lo = 0; |
| 1316 | hdr3->spb = 0; |
| 1317 | hdr3->rsb = 0; |
| 1318 | hdr3->pi = 0; |
| 1319 | hdr3->spare = 0; |
| 1320 | hdr3->dummy = 1; |
| 1321 | data[4] = 0x0; |
| 1322 | data[5] = 0x0; |
| 1323 | data[6] = 0x2b; |
| 1324 | data[7] = 0x2b; |
| 1325 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1326 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1327 | } |
| 1328 | ul_tbf->create_ul_ack(*fn, ts_no); |
| 1329 | memset(data, 0x2b, sizeof(data)); |
| 1330 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1331 | hdr3->r = 0; |
| 1332 | hdr3->si = 0; |
| 1333 | hdr3->cv = 0; |
| 1334 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1335 | hdr3->tfi_lo = tfi & 0x7; |
| 1336 | hdr3->bsn1_hi = 0; |
| 1337 | hdr3->bsn1_lo = 2; |
| 1338 | hdr3->cps_hi = 0; |
| 1339 | hdr3->cps_lo = 0; |
| 1340 | hdr3->spb = 0; |
| 1341 | hdr3->rsb = 0; |
| 1342 | hdr3->pi = 0; |
| 1343 | hdr3->spare = 0; |
| 1344 | hdr3->dummy = 1; |
| 1345 | data[4] = 0x0; |
| 1346 | data[5] = 0x2b; |
| 1347 | data[6] = 0x2b; |
| 1348 | data[7] = 0x2b; |
| 1349 | |
| 1350 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1351 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1352 | |
| 1353 | request_dl_rlc_block(ul_tbf, fn); |
| 1354 | |
| 1355 | check_tbf(ul_tbf); |
Max | 088c7df | 2018-01-23 20:16:23 +0100 | [diff] [blame] | 1356 | OSMO_ASSERT(ul_tbf->ul_ack_state_is(GPRS_RLCMAC_UL_ACK_NONE)); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1357 | |
| 1358 | ms = the_bts->ms_by_tlli(tlli); |
| 1359 | OSMO_ASSERT(ms != NULL); |
| 1360 | OSMO_ASSERT(ms->ta() == qta/4); |
| 1361 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 1362 | |
| 1363 | return ul_tbf; |
| 1364 | } |
| 1365 | |
| 1366 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_puan_URBB_with_length(BTS *the_bts, |
| 1367 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 1368 | uint8_t ms_class, uint8_t egprs_ms_class, gprs_rlcmac_ul_tbf *ul_tbf) |
| 1369 | { |
| 1370 | OSMO_ASSERT(ul_tbf); |
| 1371 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 1372 | GprsMs *ms; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1373 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1374 | int tfi = 0; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1375 | struct gprs_rlcmac_pdch *pdch; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1376 | struct pcu_l1_meas meas; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1377 | GprsCodingScheme cs; |
| 1378 | |
| 1379 | check_tbf(ul_tbf); |
| 1380 | /* send fake data with cv=0*/ |
| 1381 | struct gprs_rlc_ul_header_egprs_3 *hdr3 = NULL; |
| 1382 | uint8_t data[49] = {0}; |
| 1383 | |
| 1384 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1385 | |
| 1386 | /*header_construction */ |
| 1387 | memset(data, 0x2b, sizeof(data)); |
| 1388 | |
| 1389 | /* Message with URBB & URBB length */ |
| 1390 | for (int i = 0 ; i < 20; i++) { |
| 1391 | hdr3->r = 0; |
| 1392 | hdr3->si = 0; |
| 1393 | hdr3->cv = 10; |
| 1394 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1395 | hdr3->tfi_lo = tfi & 0x7; |
| 1396 | hdr3->bsn1_hi = ((i * 2)&0x1f); |
| 1397 | hdr3->bsn1_lo = ((i * 2)/32); |
| 1398 | hdr3->cps_hi = 0; |
| 1399 | hdr3->cps_lo = 0; |
| 1400 | hdr3->spb = 0; |
| 1401 | hdr3->rsb = 0; |
| 1402 | hdr3->pi = 0; |
| 1403 | hdr3->spare = 0; |
| 1404 | hdr3->dummy = 1; |
| 1405 | data[4] = 0x0; |
| 1406 | data[5] = 0x0; |
| 1407 | data[6] = 0x2b; |
| 1408 | data[7] = 0x2b; |
| 1409 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1410 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1411 | } |
| 1412 | ul_tbf->create_ul_ack(*fn, ts_no); |
| 1413 | memset(data, 0x2b, sizeof(data)); |
| 1414 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1415 | hdr3->r = 0; |
| 1416 | hdr3->si = 0; |
| 1417 | hdr3->cv = 0; |
| 1418 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1419 | hdr3->tfi_lo = tfi & 0x7; |
| 1420 | hdr3->bsn1_hi = 0; |
| 1421 | hdr3->bsn1_lo = 2; |
| 1422 | hdr3->cps_hi = 0; |
| 1423 | hdr3->cps_lo = 0; |
| 1424 | hdr3->spb = 0; |
| 1425 | hdr3->rsb = 0; |
| 1426 | hdr3->pi = 0; |
| 1427 | hdr3->spare = 0; |
| 1428 | hdr3->dummy = 1; |
| 1429 | data[4] = 0x0; |
| 1430 | data[5] = 0x2b; |
| 1431 | data[6] = 0x2b; |
| 1432 | data[7] = 0x2b; |
| 1433 | |
| 1434 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1435 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1436 | |
| 1437 | request_dl_rlc_block(ul_tbf, fn); |
| 1438 | |
| 1439 | check_tbf(ul_tbf); |
Max | 088c7df | 2018-01-23 20:16:23 +0100 | [diff] [blame] | 1440 | OSMO_ASSERT(ul_tbf->ul_ack_state_is(GPRS_RLCMAC_UL_ACK_NONE)); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1441 | |
| 1442 | ms = the_bts->ms_by_tlli(tlli); |
| 1443 | OSMO_ASSERT(ms != NULL); |
| 1444 | OSMO_ASSERT(ms->ta() == qta/4); |
| 1445 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 1446 | |
| 1447 | return ul_tbf; |
| 1448 | } |
| 1449 | |
| 1450 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_puan_CRBB(BTS *the_bts, |
| 1451 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 1452 | uint8_t ms_class, uint8_t egprs_ms_class) |
| 1453 | { |
| 1454 | GprsMs *ms; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1455 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1456 | int tfi = 0; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1457 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1458 | struct gprs_rlcmac_pdch *pdch; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1459 | struct pcu_l1_meas meas; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1460 | GprsCodingScheme cs; |
| 1461 | |
| 1462 | |
| 1463 | /* check the TBF */ |
| 1464 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
| 1465 | OSMO_ASSERT(ul_tbf); |
| 1466 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 1467 | |
| 1468 | /* send fake data with cv=0*/ |
| 1469 | struct gprs_rlc_ul_header_egprs_3 *hdr3 = NULL; |
| 1470 | uint8_t data[49] = {0}; |
| 1471 | |
| 1472 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1473 | |
| 1474 | /*header_construction */ |
| 1475 | memset(data, 0x2b, sizeof(data)); |
| 1476 | |
| 1477 | /* Message with CRBB */ |
| 1478 | for (int i = 80 ; i < 160; i++) { |
| 1479 | hdr3->r = 0; |
| 1480 | hdr3->si = 0; |
| 1481 | hdr3->cv = 10; |
| 1482 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1483 | hdr3->tfi_lo = tfi & 0x7; |
| 1484 | hdr3->bsn1_hi = ((i)&0x1f); |
| 1485 | hdr3->bsn1_lo = ((i)/32); |
| 1486 | hdr3->cps_hi = 0; |
| 1487 | hdr3->cps_lo = 0; |
| 1488 | hdr3->spb = 0; |
| 1489 | hdr3->rsb = 0; |
| 1490 | hdr3->pi = 0; |
| 1491 | hdr3->spare = 0; |
| 1492 | hdr3->dummy = 1; |
| 1493 | data[4] = 0x0; |
| 1494 | data[5] = 0x0; |
| 1495 | data[6] = 0x2b; |
| 1496 | data[7] = 0x2b; |
| 1497 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1498 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1499 | } |
| 1500 | ul_tbf->create_ul_ack(*fn, ts_no); |
| 1501 | memset(data, 0x2b, sizeof(data)); |
| 1502 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1503 | hdr3->r = 0; |
| 1504 | hdr3->si = 0; |
| 1505 | hdr3->cv = 0; |
| 1506 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1507 | hdr3->tfi_lo = tfi & 0x7; |
| 1508 | hdr3->bsn1_hi = 0; |
| 1509 | hdr3->bsn1_lo = 2; |
| 1510 | hdr3->cps_hi = 0; |
| 1511 | hdr3->cps_lo = 0; |
| 1512 | hdr3->spb = 0; |
| 1513 | hdr3->rsb = 0; |
| 1514 | hdr3->pi = 0; |
| 1515 | hdr3->spare = 0; |
| 1516 | hdr3->dummy = 1; |
| 1517 | data[4] = 0x0; |
| 1518 | data[5] = 0x2b; |
| 1519 | data[6] = 0x2b; |
| 1520 | data[7] = 0x2b; |
| 1521 | |
| 1522 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1523 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1524 | |
| 1525 | request_dl_rlc_block(ul_tbf, fn); |
| 1526 | |
| 1527 | check_tbf(ul_tbf); |
Max | 088c7df | 2018-01-23 20:16:23 +0100 | [diff] [blame] | 1528 | OSMO_ASSERT(ul_tbf->ul_ack_state_is(GPRS_RLCMAC_UL_ACK_NONE)); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1529 | |
| 1530 | ms = the_bts->ms_by_tlli(tlli); |
| 1531 | OSMO_ASSERT(ms != NULL); |
| 1532 | OSMO_ASSERT(ms->ta() == qta/4); |
| 1533 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 1534 | |
| 1535 | return ul_tbf; |
| 1536 | } |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1537 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase(BTS *the_bts, |
| 1538 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1539 | uint8_t ms_class, uint8_t egprs_ms_class) |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1540 | { |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1541 | GprsMs *ms; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1542 | uint32_t rach_fn = *fn - 51; |
| 1543 | uint32_t sba_fn = *fn + 52; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1544 | uint8_t trx_no = 0; |
| 1545 | int tfi = 0; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1546 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1547 | struct gprs_rlcmac_pdch *pdch; |
| 1548 | gprs_rlcmac_bts *bts; |
| 1549 | RlcMacUplink_t ulreq = {0}; |
Jacob Erlbeck | 20f6fd1 | 2015-06-08 11:05:45 +0200 | [diff] [blame] | 1550 | struct pcu_l1_meas meas; |
| 1551 | meas.set_rssi(31); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1552 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1553 | bts = the_bts->bts_data(); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1554 | |
| 1555 | /* needed to set last_rts_fn in the PDCH object */ |
Max | 878bd1f | 2016-07-20 13:05:05 +0200 | [diff] [blame] | 1556 | request_dl_rlc_block(bts, trx_no, ts_no, fn); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1557 | |
bhargava | 959d1de | 2016-08-17 15:17:21 +0530 | [diff] [blame] | 1558 | /* simulate RACH, sends an Immediate Assignment Uplink on the AGCH */ |
| 1559 | the_bts->rcv_rach(0x73, rach_fn, qta, 0, GSM_L1_BURST_TYPE_ACCESS_0); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1560 | |
| 1561 | /* get next free TFI */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1562 | 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] | 1563 | |
| 1564 | /* fake a resource request */ |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1565 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 1566 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 1567 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 1568 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1569 | ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability = 1; |
| 1570 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1571 | Count_MS_RA_capability_value = 1; |
| 1572 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1573 | MS_RA_capability_value[0].u.Content.Exist_Multislot_capability = 1; |
| 1574 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1575 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1576 | Exist_GPRS_multislot_class = 1; |
| 1577 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1578 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1579 | GPRS_multislot_class = ms_class; |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1580 | if (egprs_ms_class) { |
| 1581 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1582 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1583 | Exist_EGPRS_multislot_class = 1; |
| 1584 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1585 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1586 | EGPRS_multislot_class = ms_class; |
| 1587 | } |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1588 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 1589 | 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] | 1590 | |
| 1591 | /* check the TBF */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1592 | 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] | 1593 | OSMO_ASSERT(ul_tbf != NULL); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 1594 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1595 | |
| 1596 | /* send packet uplink assignment */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1597 | *fn = sba_fn; |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 1598 | request_dl_rlc_block(ul_tbf, fn); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1599 | |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 1600 | /* send real acknowledgement */ |
| 1601 | send_control_ack(ul_tbf); |
| 1602 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1603 | check_tbf(ul_tbf); |
| 1604 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1605 | /* send fake data */ |
| 1606 | uint8_t data_msg[23] = { |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1607 | 0x00 | 0xf << 2, /* GPRS_RLCMAC_DATA_BLOCK << 6, CV = 15 */ |
| 1608 | uint8_t(0 | (tfi << 1)), |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1609 | uint8_t(1), /* BSN:7, E:1 */ |
| 1610 | }; |
| 1611 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 1612 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1613 | pdch->rcv_block(&data_msg[0], sizeof(data_msg), *fn, &meas); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1614 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1615 | ms = the_bts->ms_by_tlli(tlli); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1616 | OSMO_ASSERT(ms != NULL); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 1617 | OSMO_ASSERT(ms->ta() == qta/4); |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1618 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 1619 | |
| 1620 | return ul_tbf; |
| 1621 | } |
| 1622 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1623 | static void send_dl_data(BTS *the_bts, uint32_t tlli, const char *imsi, |
| 1624 | const uint8_t *data, unsigned data_size) |
| 1625 | { |
| 1626 | GprsMs *ms, *ms2; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1627 | |
| 1628 | ms = the_bts->ms_store().get_ms(tlli, 0, imsi); |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1629 | |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 1630 | gprs_rlcmac_dl_tbf::handle(the_bts->bts_data(), tlli, 0, imsi, 0, 0, |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1631 | 1000, data, data_size); |
| 1632 | |
| 1633 | ms = the_bts->ms_by_imsi(imsi); |
| 1634 | OSMO_ASSERT(ms != NULL); |
| 1635 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1636 | |
| 1637 | if (imsi[0] && strcmp(imsi, "000") != 0) { |
| 1638 | ms2 = the_bts->ms_by_tlli(tlli); |
| 1639 | OSMO_ASSERT(ms == ms2); |
| 1640 | } |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1641 | } |
| 1642 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1643 | static void transmit_dl_data(BTS *the_bts, uint32_t tlli, uint32_t *fn, |
| 1644 | uint8_t slots = 0xff) |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1645 | { |
| 1646 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 1647 | GprsMs *ms; |
| 1648 | unsigned ts_no; |
| 1649 | |
| 1650 | ms = the_bts->ms_by_tlli(tlli); |
| 1651 | OSMO_ASSERT(ms); |
| 1652 | dl_tbf = ms->dl_tbf(); |
| 1653 | OSMO_ASSERT(dl_tbf); |
| 1654 | |
| 1655 | while (dl_tbf->have_data()) { |
| 1656 | uint8_t bn = fn2bn(*fn); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1657 | for (ts_no = 0 ; ts_no < 8; ts_no += 1) { |
| 1658 | if (!(slots & (1 << ts_no))) |
| 1659 | continue; |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1660 | gprs_rlcmac_rcv_rts_block(the_bts->bts_data(), |
Max | 878bd1f | 2016-07-20 13:05:05 +0200 | [diff] [blame] | 1661 | dl_tbf->trx->trx_no, ts_no, |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1662 | *fn, bn); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1663 | } |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1664 | *fn = fn_add_blocks(*fn, 1); |
| 1665 | } |
| 1666 | } |
| 1667 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 1668 | static inline void print_ta_tlli(const gprs_rlcmac_ul_tbf *ul_tbf, bool print_ms) |
| 1669 | { |
| 1670 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 1671 | if (print_ms) |
| 1672 | fprintf(stderr, "Got MS: TLLI = 0x%08x, TA = %d\n", ul_tbf->ms()->tlli(), ul_tbf->ms()->ta()); |
| 1673 | } |
| 1674 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1675 | static void test_tbf_single_phase() |
| 1676 | { |
| 1677 | BTS the_bts; |
| 1678 | int ts_no = 7; |
Philipp | d935d88 | 2016-11-07 13:07:36 +0100 | [diff] [blame] | 1679 | uint32_t fn = DUMMY_FN; /* 17,25,9 */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1680 | uint32_t tlli = 0xf1223344; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1681 | const char *imsi = "0011223344"; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1682 | uint16_t qta = 31; |
| 1683 | gprs_rlcmac_ul_tbf *ul_tbf; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1684 | |
| 1685 | printf("=== start %s ===\n", __func__); |
| 1686 | |
| 1687 | setup_bts(&the_bts, ts_no); |
| 1688 | |
| 1689 | ul_tbf = establish_ul_tbf_single_phase(&the_bts, ts_no, tlli, &fn, qta); |
| 1690 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 1691 | print_ta_tlli(ul_tbf, true); |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1692 | send_dl_data(&the_bts, tlli, imsi, (const uint8_t *)"TEST", 4); |
| 1693 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1694 | printf("=== end %s ===\n", __func__); |
| 1695 | } |
| 1696 | |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1697 | static void test_tbf_egprs_two_phase_puan(void) |
| 1698 | { |
| 1699 | BTS the_bts; |
| 1700 | int ts_no = 7; |
| 1701 | uint32_t fn = 2654218; |
| 1702 | uint16_t qta = 31; |
| 1703 | uint32_t tlli = 0xf1223344; |
| 1704 | const char *imsi = "0011223344"; |
| 1705 | uint8_t ms_class = 1; |
| 1706 | gprs_rlcmac_bts *bts; |
| 1707 | uint8_t egprs_ms_class = 1; |
| 1708 | gprs_rlcmac_ul_tbf *ul_tbf; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1709 | uint8_t test_data[256]; |
| 1710 | |
| 1711 | printf("=== start %s ===\n", __func__); |
| 1712 | |
| 1713 | memset(test_data, 1, sizeof(test_data)); |
| 1714 | |
| 1715 | setup_bts(&the_bts, ts_no, 4); |
| 1716 | the_bts.bts_data()->initial_mcs_dl = 9; |
| 1717 | the_bts.bts_data()->egprs_enabled = 1; |
| 1718 | bts = the_bts.bts_data(); |
| 1719 | bts->ws_base = 128; |
| 1720 | bts->ws_pdch = 64; |
| 1721 | |
| 1722 | ul_tbf = establish_ul_tbf(&the_bts, ts_no, tlli, &fn, qta, ms_class, egprs_ms_class); |
| 1723 | /* Function to generate URBB with no length */ |
| 1724 | ul_tbf = establish_ul_tbf_two_phase_puan_URBB_no_length(&the_bts, ts_no, tlli, &fn, |
| 1725 | qta, ms_class, egprs_ms_class, ul_tbf); |
| 1726 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 1727 | print_ta_tlli(ul_tbf, true); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1728 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 1729 | |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 1730 | ul_tbf->window()->reset_state(); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1731 | /* Function to generate URBB with length */ |
| 1732 | ul_tbf = establish_ul_tbf_two_phase_puan_URBB_with_length(&the_bts, ts_no, tlli, &fn, |
| 1733 | qta, ms_class, egprs_ms_class, ul_tbf); |
| 1734 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 1735 | print_ta_tlli(ul_tbf, true); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1736 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 1737 | |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 1738 | ul_tbf->window()->reset_state(); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1739 | /* Function to generate CRBB */ |
| 1740 | bts->ws_base = 128; |
| 1741 | bts->ws_pdch = 64; |
| 1742 | ul_tbf = establish_ul_tbf_two_phase_puan_CRBB(&the_bts, ts_no, tlli, &fn, |
| 1743 | qta, ms_class, egprs_ms_class); |
| 1744 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 1745 | print_ta_tlli(ul_tbf, true); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1746 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 1747 | |
| 1748 | printf("=== end %s ===\n", __func__); |
| 1749 | } |
aravind sirsikar | c0c3afd | 2016-11-09 16:27:00 +0530 | [diff] [blame] | 1750 | /* |
| 1751 | * Trigger rach for single block |
| 1752 | */ |
| 1753 | static void test_immediate_assign_rej_single_block() |
| 1754 | { |
| 1755 | BTS the_bts; |
| 1756 | uint32_t fn = 2654218; |
| 1757 | uint16_t qta = 31; |
| 1758 | int ts_no = 7; |
| 1759 | |
| 1760 | printf("=== start %s ===\n", __func__); |
| 1761 | |
| 1762 | setup_bts(&the_bts, ts_no, 4); |
| 1763 | |
| 1764 | the_bts.bts_data()->trx[0].pdch[ts_no].disable(); |
| 1765 | |
| 1766 | uint32_t rach_fn = fn - 51; |
| 1767 | |
| 1768 | int rc = 0; |
| 1769 | |
| 1770 | /* |
| 1771 | * simulate RACH, sends an Immediate Assignment |
| 1772 | * Uplink reject on the AGCH |
| 1773 | */ |
| 1774 | rc = the_bts.rcv_rach(0x70, rach_fn, qta, 0, |
| 1775 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1776 | |
| 1777 | OSMO_ASSERT(rc == -EINVAL); |
| 1778 | |
| 1779 | printf("=== end %s ===\n", __func__); |
| 1780 | } |
| 1781 | |
| 1782 | /* |
| 1783 | * Trigger rach till resources(USF) exhaust |
| 1784 | */ |
| 1785 | static void test_immediate_assign_rej_multi_block() |
| 1786 | { |
| 1787 | BTS the_bts; |
| 1788 | uint32_t fn = 2654218; |
| 1789 | uint16_t qta = 31; |
| 1790 | int ts_no = 7; |
| 1791 | |
| 1792 | printf("=== start %s ===\n", __func__); |
| 1793 | |
| 1794 | setup_bts(&the_bts, ts_no, 4); |
| 1795 | |
| 1796 | uint32_t rach_fn = fn - 51; |
| 1797 | |
| 1798 | int rc = 0; |
| 1799 | |
| 1800 | /* |
| 1801 | * simulate RACH, sends an Immediate Assignment Uplink |
| 1802 | * reject on the AGCH |
| 1803 | */ |
| 1804 | rc = the_bts.rcv_rach(0x78, rach_fn, qta, 0, |
| 1805 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1806 | rc = the_bts.rcv_rach(0x79, rach_fn, qta, 0, |
| 1807 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1808 | rc = the_bts.rcv_rach(0x7a, rach_fn, qta, 0, |
| 1809 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1810 | rc = the_bts.rcv_rach(0x7b, rach_fn, qta, 0, |
| 1811 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1812 | rc = the_bts.rcv_rach(0x7c, rach_fn, qta, 0, |
| 1813 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1814 | rc = the_bts.rcv_rach(0x7d, rach_fn, qta, 0, |
| 1815 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1816 | rc = the_bts.rcv_rach(0x7e, rach_fn, qta, 0, |
| 1817 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1818 | rc = the_bts.rcv_rach(0x7f, rach_fn, qta, 0, |
| 1819 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1820 | |
| 1821 | OSMO_ASSERT(rc == -EBUSY); |
| 1822 | |
| 1823 | printf("=== end %s ===\n", __func__); |
| 1824 | } |
| 1825 | |
| 1826 | static void test_immediate_assign_rej() |
| 1827 | { |
| 1828 | test_immediate_assign_rej_multi_block(); |
| 1829 | test_immediate_assign_rej_single_block(); |
| 1830 | } |
| 1831 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1832 | static void test_tbf_two_phase() |
| 1833 | { |
| 1834 | BTS the_bts; |
| 1835 | int ts_no = 7; |
| 1836 | uint32_t fn = 2654218; |
| 1837 | uint16_t qta = 31; |
| 1838 | uint32_t tlli = 0xf1223344; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1839 | const char *imsi = "0011223344"; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1840 | uint8_t ms_class = 1; |
| 1841 | gprs_rlcmac_ul_tbf *ul_tbf; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1842 | |
| 1843 | printf("=== start %s ===\n", __func__); |
| 1844 | |
| 1845 | setup_bts(&the_bts, ts_no, 4); |
| 1846 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1847 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli, &fn, qta, |
| 1848 | ms_class, 0); |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1849 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 1850 | print_ta_tlli(ul_tbf, true); |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1851 | send_dl_data(&the_bts, tlli, imsi, (const uint8_t *)"TEST", 4); |
| 1852 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1853 | printf("=== end %s ===\n", __func__); |
| 1854 | } |
| 1855 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 1856 | static inline void print_ms(const GprsMs *ms, bool old) |
| 1857 | { |
| 1858 | fprintf(stderr, "%s MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %zu\n", |
| 1859 | old ? "Old" : "New", ms->tlli(), ms->ta(), ms->imsi(), ms->llc_queue()->size()); |
| 1860 | } |
| 1861 | |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1862 | static void test_tbf_ra_update_rach() |
| 1863 | { |
| 1864 | BTS the_bts; |
| 1865 | int ts_no = 7; |
| 1866 | uint32_t fn = 2654218; |
| 1867 | uint16_t qta = 31; |
| 1868 | uint32_t tlli1 = 0xf1223344; |
| 1869 | uint32_t tlli2 = 0xf5667788; |
| 1870 | const char *imsi = "0011223344"; |
| 1871 | uint8_t ms_class = 1; |
| 1872 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1873 | GprsMs *ms, *ms1, *ms2; |
| 1874 | |
| 1875 | printf("=== start %s ===\n", __func__); |
| 1876 | |
| 1877 | setup_bts(&the_bts, ts_no, 4); |
| 1878 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1879 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, |
| 1880 | ms_class, 0); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1881 | |
| 1882 | ms1 = ul_tbf->ms(); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 1883 | print_ta_tlli(ul_tbf, false); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1884 | |
| 1885 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"RAU_ACCEPT", 10); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 1886 | print_ms(ms1, true); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1887 | |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 1888 | /* Send Packet Downlink Assignment to MS */ |
| 1889 | request_dl_rlc_block(ul_tbf, &fn); |
| 1890 | |
| 1891 | /* Ack it */ |
| 1892 | send_control_ack(ul_tbf); |
| 1893 | |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1894 | /* Make sure the RAU Accept gets sent to the MS */ |
| 1895 | OSMO_ASSERT(ms1->llc_queue()->size() == 1); |
| 1896 | transmit_dl_data(&the_bts, tlli1, &fn); |
| 1897 | OSMO_ASSERT(ms1->llc_queue()->size() == 0); |
| 1898 | |
| 1899 | /* Now establish a new TBF for the RA UPDATE COMPLETE (new TLLI) */ |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1900 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli2, &fn, qta, |
| 1901 | ms_class, 0); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1902 | |
| 1903 | ms2 = ul_tbf->ms(); |
| 1904 | |
| 1905 | /* The PCU cannot know yet, that both TBF belong to the same MS */ |
| 1906 | OSMO_ASSERT(ms1 != ms2); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 1907 | print_ms(ms1, true); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1908 | |
| 1909 | /* Send some downlink data along with the new TLLI and the IMSI so that |
| 1910 | * the PCU can see, that both MS objects belong to same MS */ |
| 1911 | send_dl_data(&the_bts, tlli2, imsi, (const uint8_t *)"DATA", 4); |
| 1912 | |
| 1913 | ms = the_bts.ms_by_imsi(imsi); |
| 1914 | OSMO_ASSERT(ms == ms2); |
| 1915 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 1916 | print_ms(ms2, false); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1917 | |
| 1918 | ms = the_bts.ms_by_tlli(tlli1); |
| 1919 | OSMO_ASSERT(ms == NULL); |
| 1920 | ms = the_bts.ms_by_tlli(tlli2); |
| 1921 | OSMO_ASSERT(ms == ms2); |
| 1922 | |
| 1923 | printf("=== end %s ===\n", __func__); |
| 1924 | } |
| 1925 | |
| 1926 | static void test_tbf_dl_flow_and_rach_two_phase() |
| 1927 | { |
| 1928 | BTS the_bts; |
| 1929 | int ts_no = 7; |
| 1930 | uint32_t fn = 2654218; |
| 1931 | uint16_t qta = 31; |
| 1932 | uint32_t tlli1 = 0xf1223344; |
| 1933 | const char *imsi = "0011223344"; |
| 1934 | uint8_t ms_class = 1; |
| 1935 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1936 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 1937 | GprsMs *ms, *ms1, *ms2; |
| 1938 | |
| 1939 | printf("=== start %s ===\n", __func__); |
| 1940 | |
| 1941 | setup_bts(&the_bts, ts_no, 1); |
| 1942 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1943 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, |
| 1944 | ms_class, 0); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1945 | |
| 1946 | ms1 = ul_tbf->ms(); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 1947 | print_ta_tlli(ul_tbf, false); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1948 | |
| 1949 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 1 *************", 20); |
| 1950 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 2 *************", 20); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 1951 | print_ms(ms1, true); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1952 | |
| 1953 | OSMO_ASSERT(ms1->llc_queue()->size() == 2); |
| 1954 | dl_tbf = ms1->dl_tbf(); |
| 1955 | OSMO_ASSERT(dl_tbf != NULL); |
| 1956 | |
| 1957 | /* Get rid of old UL TBF */ |
| 1958 | tbf_free(ul_tbf); |
| 1959 | ms = the_bts.ms_by_tlli(tlli1); |
| 1960 | OSMO_ASSERT(ms1 == ms); |
| 1961 | |
| 1962 | /* Now establish a new UL TBF, this will consume one LLC packet */ |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1963 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, |
| 1964 | ms_class, 0); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1965 | |
| 1966 | ms2 = ul_tbf->ms(); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 1967 | print_ms(ms2, false); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1968 | |
| 1969 | /* This should be the same MS object */ |
| 1970 | OSMO_ASSERT(ms2 == ms1); |
| 1971 | |
| 1972 | ms = the_bts.ms_by_tlli(tlli1); |
| 1973 | OSMO_ASSERT(ms2 == ms); |
| 1974 | |
Jacob Erlbeck | c8cbfc2 | 2015-09-01 11:38:40 +0200 | [diff] [blame] | 1975 | /* A DL TBF should still exist */ |
| 1976 | OSMO_ASSERT(ms->dl_tbf()); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1977 | |
| 1978 | /* No queued packets should be lost */ |
Jacob Erlbeck | 9659d59 | 2015-09-01 11:06:14 +0200 | [diff] [blame] | 1979 | OSMO_ASSERT(ms->llc_queue()->size() == 2); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1980 | |
| 1981 | printf("=== end %s ===\n", __func__); |
| 1982 | } |
| 1983 | |
| 1984 | |
| 1985 | static void test_tbf_dl_flow_and_rach_single_phase() |
| 1986 | { |
| 1987 | BTS the_bts; |
| 1988 | int ts_no = 7; |
| 1989 | uint32_t fn = 2654218; |
| 1990 | uint16_t qta = 31; |
| 1991 | uint32_t tlli1 = 0xf1223344; |
| 1992 | const char *imsi = "0011223344"; |
| 1993 | uint8_t ms_class = 1; |
| 1994 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1995 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 1996 | GprsMs *ms, *ms1, *ms2; |
| 1997 | |
| 1998 | printf("=== start %s ===\n", __func__); |
| 1999 | |
| 2000 | setup_bts(&the_bts, ts_no, 1); |
| 2001 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2002 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, |
| 2003 | ms_class, 0); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2004 | |
| 2005 | ms1 = ul_tbf->ms(); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 2006 | print_ta_tlli(ul_tbf, false); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2007 | |
| 2008 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 1 *************", 20); |
| 2009 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 2 *************", 20); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 2010 | print_ms(ms1, true); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2011 | |
| 2012 | OSMO_ASSERT(ms1->llc_queue()->size() == 2); |
| 2013 | dl_tbf = ms1->dl_tbf(); |
| 2014 | OSMO_ASSERT(dl_tbf != NULL); |
| 2015 | |
| 2016 | /* Get rid of old UL TBF */ |
| 2017 | tbf_free(ul_tbf); |
| 2018 | ms = the_bts.ms_by_tlli(tlli1); |
| 2019 | OSMO_ASSERT(ms1 == ms); |
| 2020 | |
| 2021 | /* Now establish a new UL TBF */ |
| 2022 | ul_tbf = establish_ul_tbf_single_phase(&the_bts, ts_no, tlli1, &fn, qta); |
| 2023 | |
| 2024 | ms2 = ul_tbf->ms(); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 2025 | print_ms(ms2, false); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2026 | |
| 2027 | /* There should be a different MS object */ |
| 2028 | OSMO_ASSERT(ms2 != ms1); |
| 2029 | |
| 2030 | ms = the_bts.ms_by_tlli(tlli1); |
| 2031 | OSMO_ASSERT(ms2 == ms); |
| 2032 | OSMO_ASSERT(ms1 != ms); |
| 2033 | |
Jacob Erlbeck | 5f93f85 | 2016-01-21 20:48:39 +0100 | [diff] [blame] | 2034 | /* DL TBF should be removed */ |
| 2035 | OSMO_ASSERT(!ms->dl_tbf()); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2036 | |
| 2037 | /* No queued packets should be lost */ |
Jacob Erlbeck | 9659d59 | 2015-09-01 11:06:14 +0200 | [diff] [blame] | 2038 | OSMO_ASSERT(ms->llc_queue()->size() == 2); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2039 | |
| 2040 | printf("=== end %s ===\n", __func__); |
| 2041 | } |
| 2042 | |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2043 | static void test_tbf_dl_reuse() |
| 2044 | { |
| 2045 | BTS the_bts; |
| 2046 | int ts_no = 7; |
| 2047 | uint32_t fn = 2654218; |
| 2048 | uint16_t qta = 31; |
| 2049 | uint32_t tlli1 = 0xf1223344; |
| 2050 | const char *imsi = "0011223344"; |
| 2051 | uint8_t ms_class = 1; |
| 2052 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 2053 | gprs_rlcmac_dl_tbf *dl_tbf1, *dl_tbf2; |
| 2054 | GprsMs *ms1, *ms2; |
| 2055 | unsigned i; |
| 2056 | RlcMacUplink_t ulreq = {0}; |
| 2057 | |
| 2058 | printf("=== start %s ===\n", __func__); |
| 2059 | |
| 2060 | setup_bts(&the_bts, ts_no, 1); |
| 2061 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2062 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, |
| 2063 | ms_class, 0); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2064 | |
| 2065 | ms1 = ul_tbf->ms(); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 2066 | print_ta_tlli(ul_tbf, false); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2067 | |
| 2068 | /* Send some LLC frames */ |
| 2069 | for (i = 0; i < 40; i++) { |
| 2070 | char buf[32]; |
| 2071 | int rc; |
| 2072 | |
| 2073 | rc = snprintf(buf, sizeof(buf), "LLC PACKET %02i", i); |
| 2074 | OSMO_ASSERT(rc > 0); |
| 2075 | |
| 2076 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)buf, rc); |
| 2077 | } |
| 2078 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 2079 | print_ms(ms1, true); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2080 | |
| 2081 | /* Send Packet Downlink Assignment to MS */ |
| 2082 | request_dl_rlc_block(ul_tbf, &fn); |
| 2083 | |
| 2084 | /* Ack it */ |
| 2085 | send_control_ack(ul_tbf); |
| 2086 | |
| 2087 | /* Transmit all data */ |
| 2088 | transmit_dl_data(&the_bts, tlli1, &fn); |
| 2089 | OSMO_ASSERT(ms1->llc_queue()->size() == 0); |
| 2090 | OSMO_ASSERT(ms1->dl_tbf()); |
| 2091 | OSMO_ASSERT(ms1->dl_tbf()->state_is(GPRS_RLCMAC_FINISHED)); |
| 2092 | |
| 2093 | dl_tbf1 = ms1->dl_tbf(); |
| 2094 | |
| 2095 | /* Send some LLC frames */ |
| 2096 | for (i = 0; i < 10; i++) { |
| 2097 | char buf[32]; |
| 2098 | int rc; |
| 2099 | |
| 2100 | rc = snprintf(buf, sizeof(buf), "LLC PACKET %02i (TBF 2)", i); |
| 2101 | OSMO_ASSERT(rc > 0); |
| 2102 | |
| 2103 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)buf, rc); |
| 2104 | } |
| 2105 | |
| 2106 | /* Fake Final DL Ack/Nack */ |
| 2107 | ulreq.u.MESSAGE_TYPE = MT_PACKET_DOWNLINK_ACK_NACK; |
| 2108 | Packet_Downlink_Ack_Nack_t *ack = &ulreq.u.Packet_Downlink_Ack_Nack; |
| 2109 | |
| 2110 | ack->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 2111 | ack->DOWNLINK_TFI = dl_tbf1->tfi(); |
| 2112 | ack->Ack_Nack_Description.FINAL_ACK_INDICATION = 1; |
| 2113 | |
Jacob Erlbeck | 8eb1714 | 2016-01-22 17:58:17 +0100 | [diff] [blame] | 2114 | send_ul_mac_block(&the_bts, 0, dl_tbf1->poll_ts, &ulreq, dl_tbf1->poll_fn); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2115 | |
| 2116 | OSMO_ASSERT(dl_tbf1->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
| 2117 | |
| 2118 | request_dl_rlc_block(dl_tbf1, &fn); |
| 2119 | |
| 2120 | ms2 = the_bts.ms_by_tlli(tlli1); |
| 2121 | OSMO_ASSERT(ms2 == ms1); |
| 2122 | OSMO_ASSERT(ms2->dl_tbf()); |
Neels Hofmeyr | 4ea4526 | 2016-06-08 15:27:40 +0200 | [diff] [blame] | 2123 | OSMO_ASSERT(ms2->dl_tbf()->state_is(GPRS_RLCMAC_ASSIGN)); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2124 | |
| 2125 | dl_tbf2 = ms2->dl_tbf(); |
| 2126 | |
| 2127 | OSMO_ASSERT(dl_tbf1 != dl_tbf2); |
| 2128 | |
| 2129 | send_control_ack(dl_tbf1); |
Jacob Erlbeck | 6835cea | 2015-08-21 15:24:02 +0200 | [diff] [blame] | 2130 | OSMO_ASSERT(dl_tbf2->state_is(GPRS_RLCMAC_FLOW)); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2131 | |
| 2132 | /* Transmit all data */ |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2133 | transmit_dl_data(&the_bts, tlli1, &fn); |
| 2134 | OSMO_ASSERT(ms2->llc_queue()->size() == 0); |
| 2135 | OSMO_ASSERT(ms2->dl_tbf()); |
| 2136 | OSMO_ASSERT(ms2->dl_tbf()->state_is(GPRS_RLCMAC_FINISHED)); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2137 | |
| 2138 | printf("=== end %s ===\n", __func__); |
| 2139 | } |
| 2140 | |
Jacob Erlbeck | 9b3d7e0 | 2016-01-19 10:44:42 +0100 | [diff] [blame] | 2141 | static void test_tbf_gprs_egprs() |
| 2142 | { |
| 2143 | BTS the_bts; |
| 2144 | gprs_rlcmac_bts *bts; |
| 2145 | uint8_t ts_no = 4; |
| 2146 | uint8_t ms_class = 45; |
| 2147 | int rc = 0; |
| 2148 | uint32_t tlli = 0xc0006789; |
| 2149 | const char *imsi = "001001123456789"; |
| 2150 | unsigned delay_csec = 1000; |
| 2151 | |
| 2152 | uint8_t buf[256] = {0}; |
| 2153 | |
| 2154 | printf("=== start %s ===\n", __func__); |
| 2155 | |
| 2156 | bts = the_bts.bts_data(); |
| 2157 | setup_bts(&the_bts, ts_no); |
| 2158 | |
| 2159 | /* EGPRS-only */ |
| 2160 | bts->egprs_enabled = 1; |
| 2161 | |
| 2162 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 2163 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 2164 | |
| 2165 | /* Does not support EGPRS */ |
| 2166 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, 0, |
| 2167 | delay_csec, buf, sizeof(buf)); |
| 2168 | |
| 2169 | OSMO_ASSERT(rc == -EBUSY); |
| 2170 | printf("=== end %s ===\n", __func__); |
| 2171 | |
| 2172 | gprs_bssgp_destroy(); |
| 2173 | } |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 2174 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 2175 | static inline void ws_check(gprs_rlcmac_dl_tbf *dl_tbf, const char *test, uint8_t exp_slots, uint16_t exp_ws, |
| 2176 | bool free, bool end) |
| 2177 | { |
| 2178 | if (!dl_tbf) { |
| 2179 | fprintf(stderr, "%s(): FAILED (NULL TBF)\n", test); |
| 2180 | return; |
| 2181 | } |
| 2182 | |
| 2183 | fprintf(stderr, "DL TBF slots: 0x%02x, N: %d, WS: %d", |
| 2184 | dl_tbf->dl_slots(), |
| 2185 | pcu_bitcount(dl_tbf->dl_slots()), |
| 2186 | dl_tbf->window_size()); |
| 2187 | |
| 2188 | if (pcu_bitcount(dl_tbf->dl_slots()) != exp_slots || dl_tbf->window_size() != exp_ws) |
| 2189 | fprintf(stderr, "%s(): DL TBF FAILED: dl_slots = %u (exp. %u), WS = %u (exp. %u)", |
| 2190 | test, pcu_bitcount(dl_tbf->dl_slots()), 4, dl_tbf->window_size(), 128 + 4 * 64); |
| 2191 | |
| 2192 | fprintf(stderr, "\n"); |
| 2193 | |
| 2194 | if (free) |
| 2195 | tbf_free(dl_tbf); |
| 2196 | |
| 2197 | if (end) { |
| 2198 | printf("=== end %s ===\n", test); |
| 2199 | gprs_bssgp_destroy(); |
| 2200 | } |
| 2201 | } |
| 2202 | |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 2203 | static void test_tbf_ws() |
| 2204 | { |
| 2205 | BTS the_bts; |
| 2206 | gprs_rlcmac_bts *bts; |
| 2207 | uint8_t ts_no = 4; |
| 2208 | uint8_t ms_class = 12; |
| 2209 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2210 | |
| 2211 | printf("=== start %s ===\n", __func__); |
| 2212 | |
| 2213 | bts = the_bts.bts_data(); |
| 2214 | setup_bts(&the_bts, ts_no); |
| 2215 | |
| 2216 | bts->ws_base = 128; |
| 2217 | bts->ws_pdch = 64; |
| 2218 | bts->alloc_algorithm = alloc_algorithm_b; |
| 2219 | bts->trx[0].pdch[2].enable(); |
| 2220 | bts->trx[0].pdch[3].enable(); |
| 2221 | bts->trx[0].pdch[4].enable(); |
| 2222 | bts->trx[0].pdch[5].enable(); |
| 2223 | |
| 2224 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 2225 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 2226 | |
| 2227 | /* Does no support EGPRS */ |
Max | 92b7a50 | 2018-01-26 11:01:35 +0100 | [diff] [blame] | 2228 | dl_tbf = tbf_alloc_dl_tbf(bts, NULL, 0, ms_class, 0, false); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 2229 | |
| 2230 | ws_check(dl_tbf, __func__, 4, 64, true, false); |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 2231 | |
| 2232 | /* EGPRS-only */ |
| 2233 | bts->egprs_enabled = 1; |
| 2234 | |
| 2235 | /* Does support EGPRS */ |
Max | 92b7a50 | 2018-01-26 11:01:35 +0100 | [diff] [blame] | 2236 | dl_tbf = tbf_alloc_dl_tbf(bts, NULL, 0, ms_class, ms_class, false); |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 2237 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 2238 | ws_check(dl_tbf, __func__, 4, 128 + 4 * 64, true, true); |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 2239 | } |
| 2240 | |
Aravind Sirsikar | 3c2eaeb | 2016-08-30 15:39:04 +0530 | [diff] [blame] | 2241 | static void test_tbf_update_ws(void) |
| 2242 | { |
| 2243 | BTS the_bts; |
| 2244 | gprs_rlcmac_bts *bts; |
| 2245 | uint8_t ts_no = 4; |
| 2246 | uint8_t ms_class = 11; |
| 2247 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2248 | |
| 2249 | printf("=== start %s ===\n", __func__); |
| 2250 | |
| 2251 | bts = the_bts.bts_data(); |
| 2252 | setup_bts(&the_bts, ts_no); |
| 2253 | |
| 2254 | bts->ws_base = 128; |
| 2255 | bts->ws_pdch = 64; |
| 2256 | bts->alloc_algorithm = alloc_algorithm_b; |
| 2257 | bts->trx[0].pdch[2].enable(); |
| 2258 | bts->trx[0].pdch[3].enable(); |
| 2259 | bts->trx[0].pdch[4].enable(); |
| 2260 | bts->trx[0].pdch[5].enable(); |
| 2261 | |
| 2262 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 2263 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 2264 | |
| 2265 | /* EGPRS-only */ |
| 2266 | bts->egprs_enabled = 1; |
| 2267 | |
| 2268 | /* Does support EGPRS */ |
Max | 92b7a50 | 2018-01-26 11:01:35 +0100 | [diff] [blame] | 2269 | dl_tbf = tbf_alloc_dl_tbf(bts, NULL, 0, ms_class, ms_class, true); |
Aravind Sirsikar | 3c2eaeb | 2016-08-30 15:39:04 +0530 | [diff] [blame] | 2270 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 2271 | ws_check(dl_tbf, __func__, 1, 128 + 1 * 64, false, false); |
Aravind Sirsikar | 3c2eaeb | 2016-08-30 15:39:04 +0530 | [diff] [blame] | 2272 | |
| 2273 | dl_tbf->update(); |
| 2274 | |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 2275 | /* window size should be 384 */ |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 2276 | ws_check(dl_tbf, __func__, 4, 128 + 4 * 64, true, true); |
Aravind Sirsikar | 3c2eaeb | 2016-08-30 15:39:04 +0530 | [diff] [blame] | 2277 | } |
| 2278 | |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 2279 | static void test_tbf_puan_urbb_len(void) |
| 2280 | { |
| 2281 | BTS the_bts; |
| 2282 | int ts_no = 7; |
| 2283 | uint32_t fn = 2654218; |
| 2284 | uint16_t qta = 31; |
| 2285 | uint32_t tlli = 0xf1223344; |
| 2286 | const char *imsi = "0011223344"; |
| 2287 | uint8_t ms_class = 1; |
| 2288 | uint8_t egprs_ms_class = 1; |
| 2289 | gprs_rlcmac_ul_tbf *ul_tbf; |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 2290 | uint8_t test_data[256]; |
| 2291 | |
| 2292 | printf("=== start %s ===\n", __func__); |
| 2293 | |
| 2294 | memset(test_data, 1, sizeof(test_data)); |
| 2295 | |
| 2296 | setup_bts(&the_bts, ts_no, 4); |
| 2297 | the_bts.bts_data()->initial_mcs_dl = 9; |
| 2298 | the_bts.bts_data()->egprs_enabled = 1; |
| 2299 | |
| 2300 | ul_tbf = puan_urbb_len_issue(&the_bts, ts_no, tlli, &fn, qta, |
| 2301 | ms_class, egprs_ms_class); |
| 2302 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 2303 | print_ta_tlli(ul_tbf, true); |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 2304 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 2305 | |
| 2306 | printf("=== end %s ===\n", __func__); |
| 2307 | } |
| 2308 | |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 2309 | static gprs_rlcmac_ul_tbf *tbf_li_decoding(BTS *the_bts, |
| 2310 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 2311 | uint8_t ms_class, uint8_t egprs_ms_class) |
| 2312 | { |
| 2313 | GprsMs *ms; |
| 2314 | uint32_t rach_fn = *fn - 51; |
| 2315 | uint32_t sba_fn = *fn + 52; |
| 2316 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2317 | int tfi = 0; |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 2318 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 2319 | struct gprs_rlcmac_pdch *pdch; |
| 2320 | gprs_rlcmac_bts *bts; |
| 2321 | RlcMacUplink_t ulreq = {0}; |
| 2322 | struct pcu_l1_meas meas; |
| 2323 | struct gprs_rlc_ul_header_egprs_3 *egprs3 = NULL; |
| 2324 | GprsCodingScheme cs; |
| 2325 | Packet_Resource_Request_t *presreq = NULL; |
| 2326 | MS_Radio_Access_capability_t *pmsradiocap = NULL; |
| 2327 | Multislot_capability_t *pmultislotcap = NULL; |
| 2328 | |
| 2329 | meas.set_rssi(31); |
| 2330 | bts = the_bts->bts_data(); |
| 2331 | |
| 2332 | /* needed to set last_rts_fn in the PDCH object */ |
| 2333 | request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| 2334 | |
| 2335 | /* |
| 2336 | * simulate RACH, this sends an Immediate |
| 2337 | * Assignment Uplink on the AGCH |
| 2338 | */ |
| 2339 | the_bts->rcv_rach(0x73, rach_fn, qta, 0, GSM_L1_BURST_TYPE_ACCESS_0); |
| 2340 | |
| 2341 | /* get next free TFI */ |
| 2342 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| 2343 | |
| 2344 | /* fake a resource request */ |
| 2345 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 2346 | presreq = &ulreq.u.Packet_Resource_Request; |
| 2347 | presreq->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 2348 | presreq->ID.UnionType = 1; /* != 0 */ |
| 2349 | presreq->ID.u.TLLI = tlli; |
| 2350 | presreq->Exist_MS_Radio_Access_capability = 1; |
| 2351 | pmsradiocap = &presreq->MS_Radio_Access_capability; |
| 2352 | pmsradiocap->Count_MS_RA_capability_value = 1; |
| 2353 | pmsradiocap->MS_RA_capability_value[0].u.Content. |
| 2354 | Exist_Multislot_capability = 1; |
| 2355 | pmultislotcap = &pmsradiocap->MS_RA_capability_value[0]. |
| 2356 | u.Content.Multislot_capability; |
| 2357 | |
| 2358 | pmultislotcap->Exist_GPRS_multislot_class = 1; |
| 2359 | pmultislotcap->GPRS_multislot_class = ms_class; |
| 2360 | if (egprs_ms_class) { |
| 2361 | pmultislotcap->Exist_EGPRS_multislot_class = 1; |
| 2362 | pmultislotcap->EGPRS_multislot_class = ms_class; |
| 2363 | } |
| 2364 | |
| 2365 | send_ul_mac_block(the_bts, trx_no, ts_no, &ulreq, sba_fn); |
| 2366 | |
| 2367 | /* check the TBF */ |
| 2368 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
| 2369 | OSMO_ASSERT(ul_tbf); |
| 2370 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 2371 | |
| 2372 | /* send packet uplink assignment */ |
| 2373 | *fn = sba_fn; |
| 2374 | request_dl_rlc_block(ul_tbf, fn); |
| 2375 | |
| 2376 | /* send real acknowledgement */ |
| 2377 | send_control_ack(ul_tbf); |
| 2378 | |
| 2379 | check_tbf(ul_tbf); |
| 2380 | |
| 2381 | uint8_t data_msg[49] = {0}; |
| 2382 | |
| 2383 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 2384 | |
| 2385 | ms = the_bts->ms_by_tlli(tlli); |
| 2386 | OSMO_ASSERT(ms != NULL); |
| 2387 | OSMO_ASSERT(ms->ta() == qta/4); |
| 2388 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 2389 | |
| 2390 | cs = GprsCodingScheme::MCS4; |
| 2391 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 2392 | egprs3->si = 0; |
| 2393 | egprs3->r = 1; |
| 2394 | egprs3->cv = 7; |
| 2395 | egprs3->tfi_hi = tfi & 0x03; |
| 2396 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 2397 | egprs3->bsn1_hi = 0; |
| 2398 | egprs3->bsn1_lo = 0; |
| 2399 | egprs3->cps_hi = 1; |
| 2400 | data_msg[3] = 0xff; |
| 2401 | egprs3->pi = 0; |
| 2402 | egprs3->cps_lo = 1; |
| 2403 | egprs3->rsb = 0; |
| 2404 | egprs3->spb = 0; |
| 2405 | egprs3->pi = 0; |
| 2406 | pdch->rcv_block(data_msg, 49, *fn, &meas); |
| 2407 | |
| 2408 | egprs3->bsn1_hi = 1; |
| 2409 | egprs3->bsn1_lo = 0; |
| 2410 | data_msg[3] = 0x7f; |
| 2411 | egprs3->cps_lo = 1; |
| 2412 | egprs3->rsb = 0; |
| 2413 | egprs3->spb = 0; |
| 2414 | egprs3->pi = 0; |
| 2415 | data_msg[4] = 0x2; |
| 2416 | data_msg[5] = 0x0; |
| 2417 | pdch->rcv_block(data_msg, 49, *fn, &meas); |
| 2418 | |
Aravind Sirsikar | 22a9019 | 2016-09-15 17:24:49 +0530 | [diff] [blame] | 2419 | OSMO_ASSERT(ul_tbf->m_llc.m_index == 43); |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 2420 | |
| 2421 | return ul_tbf; |
| 2422 | } |
| 2423 | |
| 2424 | static void test_tbf_li_decoding(void) |
| 2425 | { |
| 2426 | BTS the_bts; |
| 2427 | int ts_no = 7; |
| 2428 | uint32_t fn = 2654218; |
| 2429 | uint16_t qta = 31; |
| 2430 | uint32_t tlli = 0xf1223344; |
| 2431 | const char *imsi = "0011223344"; |
| 2432 | uint8_t ms_class = 1; |
| 2433 | uint8_t egprs_ms_class = 1; |
| 2434 | gprs_rlcmac_ul_tbf *ul_tbf; |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 2435 | uint8_t test_data[256]; |
| 2436 | |
| 2437 | printf("=== start %s ===\n", __func__); |
| 2438 | |
| 2439 | memset(test_data, 1, sizeof(test_data)); |
| 2440 | |
| 2441 | setup_bts(&the_bts, ts_no, 4); |
| 2442 | the_bts.bts_data()->initial_mcs_dl = 9; |
| 2443 | the_bts.bts_data()->egprs_enabled = 1; |
| 2444 | |
| 2445 | ul_tbf = tbf_li_decoding(&the_bts, ts_no, tlli, &fn, qta, |
| 2446 | ms_class, egprs_ms_class); |
| 2447 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 2448 | print_ta_tlli(ul_tbf, true); |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 2449 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 2450 | |
| 2451 | printf("=== end %s ===\n", __func__); |
| 2452 | } |
| 2453 | |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2454 | /* |
| 2455 | * Test that a bit within the uncompressed bitmap whose BSN is not within |
| 2456 | * the transmit window shall be ignored. See section 9.1.8.2.4 of 44.060 |
| 2457 | * version 7.27.0 Release 7. |
| 2458 | */ |
| 2459 | static void test_tbf_epdan_out_of_rx_window(void) |
| 2460 | { |
| 2461 | BTS the_bts; |
| 2462 | gprs_rlcmac_bts *bts; |
| 2463 | uint8_t ms_class = 11; |
| 2464 | uint8_t egprs_ms_class = 11; |
| 2465 | uint8_t trx_no; |
| 2466 | uint32_t tlli = 0xffeeddcc; |
| 2467 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2468 | int ts_no = 4; |
| 2469 | bitvec *block; |
| 2470 | uint8_t bits_data[RLC_EGPRS_MAX_WS/8]; |
| 2471 | bitvec bits; |
| 2472 | int bsn_begin, bsn_end; |
| 2473 | EGPRS_PD_AckNack_t *ack_nack; |
| 2474 | RlcMacUplink_t ul_control_block; |
| 2475 | gprs_rlc_v_b *prlcmvb; |
| 2476 | gprs_rlc_dl_window *prlcdlwindow; |
| 2477 | |
aravind sirsikar | cc4214a | 2016-12-09 16:12:42 +0530 | [diff] [blame] | 2478 | memset(&ul_control_block, 0, sizeof(RlcMacUplink_t)); |
| 2479 | |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2480 | printf("=== start %s ===\n", __func__); |
| 2481 | |
| 2482 | bts = the_bts.bts_data(); |
| 2483 | |
| 2484 | setup_bts(&the_bts, ts_no); |
| 2485 | bts->dl_tbf_idle_msec = 200; |
| 2486 | bts->egprs_enabled = 1; |
| 2487 | /* ARQ II */ |
| 2488 | bts->dl_arq_type = EGPRS_ARQ2; |
| 2489 | |
| 2490 | /* |
| 2491 | * Simulate a message captured during over-the-air testing, |
| 2492 | * where the following values were observed: |
| 2493 | * v_a = 1176, vs = 1288, max sns = 2048, window size = 480. |
| 2494 | */ |
| 2495 | uint8_t data_msg[23] = {0x40, 0x20, 0x0b, 0xff, 0xd1, |
| 2496 | 0x61, 0x00, 0x3e, 0x0e, 0x51, 0x9f, |
| 2497 | 0xff, 0xff, 0xfb, 0x80, 0x00, 0x00, |
| 2498 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| 2499 | |
| 2500 | dl_tbf = create_dl_tbf(&the_bts, ms_class, egprs_ms_class, &trx_no); |
| 2501 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 2502 | prlcdlwindow = dl_tbf->window(); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2503 | prlcmvb = &prlcdlwindow->m_v_b; |
| 2504 | prlcdlwindow->m_v_s = 1288; |
| 2505 | prlcdlwindow->m_v_a = 1176; |
| 2506 | prlcdlwindow->set_sns(2048); |
| 2507 | prlcdlwindow->set_ws(480); |
| 2508 | prlcmvb->mark_unacked(1176); |
| 2509 | prlcmvb->mark_unacked(1177); |
| 2510 | prlcmvb->mark_unacked(1286); |
| 2511 | prlcmvb->mark_unacked(1287); |
| 2512 | |
| 2513 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2514 | |
Alexander Couzens | ccde5c9 | 2017-02-04 03:10:08 +0100 | [diff] [blame] | 2515 | block = bitvec_alloc(23, tall_pcu_ctx); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2516 | |
| 2517 | bitvec_unpack(block, data_msg); |
| 2518 | |
| 2519 | bits.data = bits_data; |
| 2520 | bits.data_len = sizeof(bits_data); |
| 2521 | bits.cur_bit = 0; |
| 2522 | |
| 2523 | decode_gsm_rlcmac_uplink(block, &ul_control_block); |
| 2524 | |
| 2525 | ack_nack = &ul_control_block.u.Egprs_Packet_Downlink_Ack_Nack; |
| 2526 | |
| 2527 | OSMO_ASSERT(prlcmvb->is_unacked(1176)); |
| 2528 | OSMO_ASSERT(prlcmvb->is_unacked(1177)); |
| 2529 | OSMO_ASSERT(prlcmvb->is_unacked(1286)); |
| 2530 | OSMO_ASSERT(prlcmvb->is_unacked(1287)); |
| 2531 | |
| 2532 | Decoding::decode_egprs_acknack_bits( |
| 2533 | &ack_nack->EGPRS_AckNack.Desc, &bits, |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 2534 | &bsn_begin, &bsn_end, dl_tbf->window()); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2535 | |
| 2536 | dl_tbf->rcvd_dl_ack( |
| 2537 | ack_nack->EGPRS_AckNack.Desc.FINAL_ACK_INDICATION, |
| 2538 | bsn_begin, &bits); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2539 | |
aravind sirsikar | fb41afa | 2016-11-02 15:48:00 +0530 | [diff] [blame] | 2540 | OSMO_ASSERT(prlcmvb->is_invalid(1176)); |
| 2541 | OSMO_ASSERT(prlcmvb->is_invalid(1177)); |
| 2542 | OSMO_ASSERT(prlcmvb->is_acked(1286)); |
| 2543 | OSMO_ASSERT(prlcmvb->is_acked(1287)); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2544 | |
| 2545 | bitvec_free(block); |
| 2546 | tbf_free(dl_tbf); |
| 2547 | printf("=== end %s ===\n", __func__); |
| 2548 | } |
| 2549 | |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 2550 | static void test_tbf_egprs_two_phase_spb(void) |
| 2551 | { |
| 2552 | BTS the_bts; |
| 2553 | int ts_no = 7; |
| 2554 | uint32_t fn = 2654218; |
| 2555 | uint16_t qta = 31; |
| 2556 | uint32_t tlli = 0xf1223344; |
| 2557 | const char *imsi = "0011223344"; |
| 2558 | uint8_t ms_class = 1; |
| 2559 | uint8_t egprs_ms_class = 1; |
| 2560 | gprs_rlcmac_ul_tbf *ul_tbf; |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 2561 | uint8_t test_data[256]; |
| 2562 | |
| 2563 | printf("=== start %s ===\n", __func__); |
| 2564 | |
| 2565 | memset(test_data, 1, sizeof(test_data)); |
| 2566 | |
| 2567 | setup_bts(&the_bts, ts_no, 4); |
| 2568 | the_bts.bts_data()->initial_mcs_dl = 9; |
| 2569 | the_bts.bts_data()->egprs_enabled = 1; |
| 2570 | |
| 2571 | ul_tbf = establish_ul_tbf_two_phase_spb(&the_bts, ts_no, tlli, &fn, qta, |
| 2572 | ms_class, egprs_ms_class); |
| 2573 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 2574 | print_ta_tlli(ul_tbf, true); |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 2575 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 2576 | |
| 2577 | printf("=== end %s ===\n", __func__); |
| 2578 | } |
| 2579 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2580 | static void test_tbf_egprs_two_phase() |
| 2581 | { |
| 2582 | BTS the_bts; |
| 2583 | int ts_no = 7; |
| 2584 | uint32_t fn = 2654218; |
| 2585 | uint16_t qta = 31; |
| 2586 | uint32_t tlli = 0xf1223344; |
| 2587 | const char *imsi = "0011223344"; |
| 2588 | uint8_t ms_class = 1; |
| 2589 | uint8_t egprs_ms_class = 1; |
| 2590 | gprs_rlcmac_ul_tbf *ul_tbf; |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2591 | uint8_t test_data[256]; |
| 2592 | |
| 2593 | printf("=== start %s ===\n", __func__); |
| 2594 | |
| 2595 | memset(test_data, 1, sizeof(test_data)); |
| 2596 | |
| 2597 | setup_bts(&the_bts, ts_no, 4); |
| 2598 | the_bts.bts_data()->initial_mcs_dl = 9; |
| 2599 | the_bts.bts_data()->egprs_enabled = 1; |
| 2600 | |
| 2601 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli, &fn, qta, |
| 2602 | ms_class, egprs_ms_class); |
| 2603 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame^] | 2604 | print_ta_tlli(ul_tbf, true); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2605 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 2606 | |
| 2607 | printf("=== end %s ===\n", __func__); |
| 2608 | } |
| 2609 | |
| 2610 | static void establish_and_use_egprs_dl_tbf(BTS *the_bts, int mcs) |
| 2611 | { |
| 2612 | unsigned i; |
| 2613 | uint8_t ms_class = 11; |
| 2614 | uint8_t egprs_ms_class = 11; |
| 2615 | uint32_t fn = 0; |
| 2616 | uint8_t trx_no; |
| 2617 | uint32_t tlli = 0xffeeddcc; |
| 2618 | uint8_t test_data[512]; |
| 2619 | |
| 2620 | uint8_t rbb[64/8]; |
| 2621 | |
| 2622 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2623 | |
| 2624 | printf("Testing MCS-%d\n", mcs); |
| 2625 | |
| 2626 | memset(test_data, 1, sizeof(test_data)); |
| 2627 | the_bts->bts_data()->initial_mcs_dl = mcs; |
| 2628 | |
| 2629 | dl_tbf = create_dl_tbf(the_bts, ms_class, egprs_ms_class, &trx_no); |
| 2630 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| 2631 | |
| 2632 | for (i = 0; i < sizeof(llc_data); i++) |
| 2633 | llc_data[i] = i%256; |
| 2634 | |
| 2635 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2636 | |
| 2637 | /* Schedule a small LLC frame */ |
| 2638 | dl_tbf->append_data(ms_class, 1000, test_data, 10); |
| 2639 | |
| 2640 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2641 | |
| 2642 | /* Drain the queue */ |
| 2643 | while (dl_tbf->have_data()) |
| 2644 | /* Request to send one RLC/MAC block */ |
| 2645 | request_dl_rlc_block(dl_tbf, &fn); |
| 2646 | |
| 2647 | /* Schedule a large LLC frame */ |
| 2648 | dl_tbf->append_data(ms_class, 1000, test_data, sizeof(test_data)); |
| 2649 | |
| 2650 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2651 | |
| 2652 | /* Drain the queue */ |
| 2653 | while (dl_tbf->have_data()) |
| 2654 | /* Request to send one RLC/MAC block */ |
| 2655 | request_dl_rlc_block(dl_tbf, &fn); |
| 2656 | |
| 2657 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2658 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2659 | RCV_ACK(true, dl_tbf, rbb); /* Receive a final ACK */ |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2660 | |
| 2661 | /* Clean up and ensure tbfs are in the correct state */ |
| 2662 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 2663 | TBF_SET_ASS_STATE_DL(dl_tbf, GPRS_RLCMAC_DL_ASS_NONE); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2664 | check_tbf(dl_tbf); |
| 2665 | tbf_free(dl_tbf); |
| 2666 | } |
| 2667 | |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2668 | static gprs_rlcmac_dl_tbf *tbf_init(BTS *the_bts, |
| 2669 | int mcs) |
| 2670 | { |
| 2671 | unsigned i; |
| 2672 | uint8_t ms_class = 11; |
| 2673 | uint8_t egprs_ms_class = 11; |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2674 | uint8_t trx_no; |
| 2675 | uint32_t tlli = 0xffeeddcc; |
| 2676 | uint8_t test_data[512]; |
| 2677 | |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2678 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2679 | |
| 2680 | memset(test_data, 1, sizeof(test_data)); |
| 2681 | the_bts->bts_data()->initial_mcs_dl = mcs; |
| 2682 | |
| 2683 | dl_tbf = create_dl_tbf(the_bts, ms_class, egprs_ms_class, &trx_no); |
| 2684 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| 2685 | |
| 2686 | for (i = 0; i < sizeof(test_data); i++) |
| 2687 | test_data[i] = i%256; |
| 2688 | |
| 2689 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2690 | |
| 2691 | /* Schedule a LLC frame |
| 2692 | * passing only 100 bytes, since it is enough to construct |
| 2693 | * 2 RLC data blocks. Which are enough to test Header Type 1 |
| 2694 | * cases |
| 2695 | */ |
| 2696 | dl_tbf->append_data(ms_class, 1000, test_data, 100); |
| 2697 | |
| 2698 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2699 | |
| 2700 | return dl_tbf; |
| 2701 | |
| 2702 | } |
| 2703 | |
| 2704 | static void tbf_cleanup(gprs_rlcmac_dl_tbf *dl_tbf) |
| 2705 | { |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2706 | uint8_t rbb[64/8]; |
| 2707 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2708 | RCV_ACK(true, dl_tbf, rbb); /* Receive a final ACK */ |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2709 | |
| 2710 | /* Clean up and ensure tbfs are in the correct state */ |
| 2711 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 2712 | TBF_SET_ASS_STATE_DL(dl_tbf, GPRS_RLCMAC_DL_ASS_NONE); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2713 | check_tbf(dl_tbf); |
| 2714 | tbf_free(dl_tbf); |
| 2715 | |
| 2716 | } |
| 2717 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2718 | #define NACK(tbf, x) do { \ |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 2719 | tbf->window()->m_v_b.mark_nacked(x); \ |
| 2720 | OSMO_ASSERT(tbf->window()->m_v_b.is_nacked(x)); \ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2721 | } while(0) |
| 2722 | |
| 2723 | #define CHECK_UNACKED(tbf, cs, bsn) do { \ |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 2724 | OSMO_ASSERT(tbf->window()->m_v_b.is_unacked(bsn)); \ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2725 | OSMO_ASSERT(tbf->m_rlc.block(bsn)->cs_current_trans.to_num() == cs); \ |
| 2726 | } while(0) |
| 2727 | |
| 2728 | #define CHECK_NACKED(tbf, cs, bsn) do { \ |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 2729 | OSMO_ASSERT(tbf->window()->m_v_b.is_nacked(bsn)); \ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2730 | OSMO_ASSERT(tbf->m_rlc.block(bsn)->cs_current_trans.to_num() == cs); \ |
| 2731 | } while(0) |
| 2732 | |
| 2733 | #define MAKE_ACKED(m, tbf, fn, cs, check_unacked) do { \ |
| 2734 | m = tbf->create_dl_acked_block(fn, tbf->control_ts); \ |
| 2735 | OSMO_ASSERT(m); \ |
| 2736 | if (check_unacked) \ |
| 2737 | CHECK_UNACKED(tbf, cs, 0); \ |
| 2738 | else \ |
| 2739 | CHECK_NACKED(tbf, cs, 0); \ |
| 2740 | } while(0) |
| 2741 | |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2742 | static void egprs_spb_to_normal_validation(BTS *the_bts, |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2743 | unsigned int mcs, unsigned int demanded_mcs) |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2744 | { |
| 2745 | uint32_t fn = 0; |
| 2746 | gprs_rlcmac_dl_tbf *dl_tbf; |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2747 | uint16_t bsn1, bsn2, bsn3; |
| 2748 | struct msgb *msg; |
| 2749 | struct gprs_rlc_dl_header_egprs_3 *egprs3; |
| 2750 | struct gprs_rlc_dl_header_egprs_2 *egprs2; |
| 2751 | |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2752 | printf("Testing retx for MCS %u to reseg_mcs %u\n", mcs, demanded_mcs); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2753 | |
| 2754 | dl_tbf = tbf_init(the_bts, mcs); |
| 2755 | |
| 2756 | /* |
| 2757 | * Table 10.4.8a.3.1 of 44.060. |
| 2758 | * (MCS7, MCS9) to (MCS2, MCS3) is not handled since it is same as |
| 2759 | * (MCS5, MCS6) to (MCS2, MCS3) transition |
| 2760 | */ |
| 2761 | if (!(mcs == 6 && demanded_mcs == 3)) |
| 2762 | return; |
| 2763 | |
| 2764 | fn = fn_add_blocks(fn, 1); |
| 2765 | /* Send first RLC data block BSN 0 */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2766 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2767 | |
| 2768 | egprs2 = (struct gprs_rlc_dl_header_egprs_2 *) msg->data; |
Max | b4d368b | 2017-12-01 17:54:39 +0100 | [diff] [blame] | 2769 | bsn1 = (egprs2->bsn1_hi << 9) | (egprs2->bsn1_mid << 1) | (egprs2->bsn1_lo); |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2770 | |
| 2771 | NACK(dl_tbf, 0); |
| 2772 | |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2773 | OSMO_ASSERT(bsn1 == 0); |
| 2774 | |
| 2775 | dl_tbf->ms()->set_current_cs_dl |
| 2776 | (static_cast < GprsCodingScheme::Scheme > |
| 2777 | (GprsCodingScheme::CS4 + demanded_mcs)); |
| 2778 | |
| 2779 | fn = fn_add_blocks(fn, 1); |
| 2780 | |
| 2781 | /* Send first segment with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2782 | MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, false); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2783 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| 2784 | == EGPRS_RESEG_FIRST_SEG_SENT); |
| 2785 | |
| 2786 | egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| 2787 | OSMO_ASSERT(egprs3->spb == 2); |
| 2788 | |
| 2789 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2790 | OSMO_ASSERT(egprs3->cps == 3); |
| 2791 | |
| 2792 | /* Send second segment with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2793 | MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, true); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2794 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| 2795 | == EGPRS_RESEG_SECOND_SEG_SENT); |
| 2796 | |
| 2797 | egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| 2798 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2799 | OSMO_ASSERT(egprs3->spb == 3); |
Max | b4d368b | 2017-12-01 17:54:39 +0100 | [diff] [blame] | 2800 | bsn2 = (egprs3->bsn1_hi << 9) | (egprs3->bsn1_mid << 1) | (egprs3->bsn1_lo); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2801 | OSMO_ASSERT(bsn2 == bsn1); |
| 2802 | |
| 2803 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2804 | OSMO_ASSERT(egprs3->cps == 3); |
| 2805 | |
| 2806 | /* Handle (MCS3, MCS3) -> MCS6 case */ |
| 2807 | dl_tbf->ms()->set_current_cs_dl |
| 2808 | (static_cast < GprsCodingScheme::Scheme > |
| 2809 | (GprsCodingScheme::CS4 + mcs)); |
| 2810 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2811 | NACK(dl_tbf, 0); |
| 2812 | |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2813 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
| 2814 | egprs2 = (struct gprs_rlc_dl_header_egprs_2 *) msg->data; |
| 2815 | |
| 2816 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2817 | OSMO_ASSERT(egprs2->cps == 0); |
Max | b4d368b | 2017-12-01 17:54:39 +0100 | [diff] [blame] | 2818 | bsn3 = (egprs2->bsn1_hi << 9) | (egprs2->bsn1_mid << 1) | (egprs2->bsn1_lo); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2819 | OSMO_ASSERT(bsn3 == bsn2); |
| 2820 | |
| 2821 | tbf_cleanup(dl_tbf); |
| 2822 | } |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2823 | |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2824 | static void establish_and_use_egprs_dl_tbf_for_spb(BTS *the_bts, |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2825 | unsigned int mcs, unsigned int demanded_mcs) |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2826 | { |
| 2827 | uint32_t fn = 0; |
| 2828 | gprs_rlcmac_dl_tbf *dl_tbf; |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2829 | struct msgb *msg; |
| 2830 | struct gprs_rlc_dl_header_egprs_3 *egprs3; |
| 2831 | |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2832 | printf("Testing retx for MCS %u to reseg_mcs %u\n", mcs, demanded_mcs); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2833 | |
| 2834 | dl_tbf = tbf_init(the_bts, mcs); |
| 2835 | |
| 2836 | /* |
| 2837 | * Table 10.4.8a.3.1 of 44.060. |
| 2838 | * (MCS7, MCS9) to (MCS2, MCS3) is not handled since it is same as |
| 2839 | * (MCS5, MCS6) to (MCS2, MCS3) transition |
| 2840 | */ |
| 2841 | /* TODO: Need to support of MCS8 -> MCS6 ->MCS3 transistion |
| 2842 | * Refer commit be881c028fc4da00c4046ecd9296727975c206a3 |
| 2843 | * dated 2016-02-07 23:45:40 (UTC) |
| 2844 | */ |
| 2845 | if (!(((mcs == 5) && (demanded_mcs == 2)) || |
| 2846 | ((mcs == 6) && (demanded_mcs == 3)) || |
| 2847 | ((mcs == 4) && (demanded_mcs == 1)))) |
| 2848 | return; |
| 2849 | |
| 2850 | fn = fn_add_blocks(fn, 1); |
| 2851 | /* Send first RLC data block BSN 0 */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2852 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2853 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2854 | NACK(dl_tbf, 0); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2855 | |
| 2856 | dl_tbf->ms()->set_current_cs_dl |
| 2857 | (static_cast < GprsCodingScheme::Scheme > |
| 2858 | (GprsCodingScheme::CS4 + demanded_mcs)); |
| 2859 | |
| 2860 | fn = fn_add_blocks(fn, 1); |
| 2861 | |
| 2862 | /* Send first segment with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2863 | MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, false); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2864 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| 2865 | == EGPRS_RESEG_FIRST_SEG_SENT); |
| 2866 | |
| 2867 | egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| 2868 | OSMO_ASSERT(egprs3->spb == 2); |
| 2869 | |
| 2870 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2871 | switch (demanded_mcs) { |
| 2872 | case 3: |
| 2873 | OSMO_ASSERT(egprs3->cps == 3); |
| 2874 | break; |
| 2875 | case 2: |
| 2876 | OSMO_ASSERT(egprs3->cps == 9); |
| 2877 | break; |
| 2878 | case 1: |
| 2879 | OSMO_ASSERT(egprs3->cps == 11); |
| 2880 | break; |
| 2881 | default: |
| 2882 | OSMO_ASSERT(false); |
| 2883 | break; |
| 2884 | } |
| 2885 | |
| 2886 | /* Send second segment with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2887 | MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, true); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2888 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| 2889 | == EGPRS_RESEG_SECOND_SEG_SENT); |
| 2890 | |
| 2891 | egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| 2892 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2893 | OSMO_ASSERT(egprs3->spb == 3); |
| 2894 | |
| 2895 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2896 | switch (demanded_mcs) { |
| 2897 | case 3: |
| 2898 | OSMO_ASSERT(egprs3->cps == 3); |
| 2899 | break; |
| 2900 | case 2: |
| 2901 | OSMO_ASSERT(egprs3->cps == 9); |
| 2902 | break; |
| 2903 | case 1: |
| 2904 | OSMO_ASSERT(egprs3->cps == 11); |
| 2905 | break; |
| 2906 | default: |
| 2907 | OSMO_ASSERT(false); |
| 2908 | break; |
| 2909 | } |
| 2910 | tbf_cleanup(dl_tbf); |
| 2911 | } |
| 2912 | |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2913 | static void establish_and_use_egprs_dl_tbf_for_retx(BTS *the_bts, |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2914 | unsigned int mcs, unsigned int demanded_mcs) |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2915 | { |
| 2916 | uint32_t fn = 0; |
| 2917 | gprs_rlcmac_dl_tbf *dl_tbf; |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2918 | struct msgb *msg; |
| 2919 | |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2920 | printf("Testing retx for MCS %u - %u\n", mcs, demanded_mcs); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2921 | |
| 2922 | dl_tbf = tbf_init(the_bts, mcs); |
| 2923 | |
| 2924 | /* For MCS reduction cases like MCS9->MCS6, MCS7->MCS5 |
| 2925 | * The MCS transition are referred from table Table 8.1.1.2 |
| 2926 | * of TS 44.060 |
| 2927 | */ |
| 2928 | /* TODO: Need to support of MCS8 -> MCS6 transistion |
| 2929 | * Refer commit be881c028fc4da00c4046ecd9296727975c206a3 |
| 2930 | * dated 2016-02-07 23:45:40 (UTC) |
| 2931 | */ |
| 2932 | if (((mcs == 9) && (demanded_mcs < 9)) || |
| 2933 | ((mcs == 7) && (demanded_mcs < 7))) { |
| 2934 | fn = fn_add_blocks(fn, 1); |
| 2935 | /* Send 2 RLC data block */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2936 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| 2937 | CHECK_UNACKED(dl_tbf, mcs, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2938 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2939 | NACK(dl_tbf, 0); |
| 2940 | NACK(dl_tbf, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2941 | |
| 2942 | /* Set the demanded MCS to demanded_mcs */ |
| 2943 | dl_tbf->ms()->set_current_cs_dl |
| 2944 | (static_cast < GprsCodingScheme::Scheme > |
| 2945 | (GprsCodingScheme::CS4 + demanded_mcs)); |
| 2946 | |
| 2947 | fn = fn_add_blocks(fn, 1); |
| 2948 | /* Retransmit the first RLC data block with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2949 | MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, true); |
| 2950 | CHECK_NACKED(dl_tbf, mcs, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2951 | |
| 2952 | fn = fn_add_blocks(fn, 1); |
| 2953 | /* Retransmit the second RLC data block with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2954 | MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, true); |
| 2955 | CHECK_UNACKED(dl_tbf, demanded_mcs, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2956 | } else if (((mcs == 5) && (demanded_mcs > 6)) || |
| 2957 | ((mcs == 6) && (demanded_mcs > 8))) { |
| 2958 | fn = fn_add_blocks(fn, 1); |
| 2959 | /* Send first RLC data block BSN 0 */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2960 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2961 | |
| 2962 | fn = fn_add_blocks(fn, 1); |
| 2963 | /* Send second RLC data block BSN 1 */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2964 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| 2965 | CHECK_UNACKED(dl_tbf, mcs, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2966 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2967 | NACK(dl_tbf, 0); |
| 2968 | NACK(dl_tbf, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2969 | |
| 2970 | dl_tbf->ms()->set_current_cs_dl |
| 2971 | (static_cast < GprsCodingScheme::Scheme > |
| 2972 | (GprsCodingScheme::CS4 + demanded_mcs)); |
| 2973 | |
| 2974 | fn = fn_add_blocks(fn, 1); |
| 2975 | /* Send first, second RLC data blocks with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2976 | MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, true); |
| 2977 | CHECK_UNACKED(dl_tbf, demanded_mcs, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2978 | } else if (mcs > 6) { |
| 2979 | /* No Mcs change cases are handled here for mcs > MCS6*/ |
| 2980 | fn = fn_add_blocks(fn, 1); |
| 2981 | /* Send first,second RLC data blocks */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2982 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| 2983 | CHECK_UNACKED(dl_tbf, mcs, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2984 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2985 | NACK(dl_tbf, 0); |
| 2986 | NACK(dl_tbf, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2987 | |
| 2988 | fn = fn_add_blocks(fn, 1); |
| 2989 | /* Send first,second RLC data blocks with demanded_mcs*/ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2990 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| 2991 | CHECK_UNACKED(dl_tbf, mcs, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2992 | } else { |
| 2993 | |
| 2994 | /* No MCS change cases are handled here for mcs <= MCS6*/ |
| 2995 | fn = fn_add_blocks(fn, 1); |
| 2996 | /* Send first RLC data block */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2997 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2998 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2999 | NACK(dl_tbf, 0); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3000 | |
| 3001 | fn = fn_add_blocks(fn, 1); |
| 3002 | /* Send first RLC data block with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 3003 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3004 | } |
| 3005 | |
| 3006 | tbf_cleanup(dl_tbf); |
| 3007 | } |
| 3008 | |
| 3009 | static void test_tbf_egprs_retx_dl(void) |
| 3010 | { |
| 3011 | BTS the_bts; |
| 3012 | gprs_rlcmac_bts *bts; |
| 3013 | uint8_t ts_no = 4; |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3014 | |
| 3015 | printf("=== start %s ===\n", __func__); |
| 3016 | |
| 3017 | bts = the_bts.bts_data(); |
| 3018 | bts->cs_downgrade_threshold = 0; |
| 3019 | setup_bts(&the_bts, ts_no); |
| 3020 | bts->dl_tbf_idle_msec = 200; |
| 3021 | bts->egprs_enabled = 1; |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 3022 | /* ARQ II */ |
| 3023 | bts->dl_arq_type = EGPRS_ARQ2; |
| 3024 | |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3025 | |
| 3026 | /* First parameter is current MCS, second one is demanded_mcs */ |
| 3027 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 6, 6); |
| 3028 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 1, 9); |
| 3029 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 2, 8); |
| 3030 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 5, 7); |
| 3031 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 6, 9); |
| 3032 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 7, 5); |
| 3033 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 9, 6); |
| 3034 | |
| 3035 | printf("=== end %s ===\n", __func__); |
| 3036 | } |
| 3037 | |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 3038 | static void test_tbf_egprs_spb_dl(void) |
| 3039 | { |
| 3040 | BTS the_bts; |
| 3041 | gprs_rlcmac_bts *bts; |
| 3042 | uint8_t ts_no = 4; |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 3043 | |
| 3044 | printf("=== start %s ===\n", __func__); |
| 3045 | |
| 3046 | bts = the_bts.bts_data(); |
| 3047 | bts->cs_downgrade_threshold = 0; |
| 3048 | setup_bts(&the_bts, ts_no); |
| 3049 | bts->dl_tbf_idle_msec = 200; |
| 3050 | bts->egprs_enabled = 1; |
| 3051 | |
| 3052 | /* ARQ I resegmentation support */ |
| 3053 | bts->dl_arq_type = EGPRS_ARQ1; |
| 3054 | |
| 3055 | /* |
| 3056 | * First parameter is current MCS, second one is demanded_mcs |
| 3057 | * currently only MCS5->MCS2, MCS6->3, MCS4->MCS1 is tested in UT |
| 3058 | * rest scenarios has been integration tested |
| 3059 | */ |
| 3060 | establish_and_use_egprs_dl_tbf_for_spb(&the_bts, 6, 3); |
| 3061 | establish_and_use_egprs_dl_tbf_for_spb(&the_bts, 5, 2); |
| 3062 | establish_and_use_egprs_dl_tbf_for_spb(&the_bts, 4, 1); |
| 3063 | /* check MCS6->(MCS3+MCS3)->MCS6 case */ |
| 3064 | egprs_spb_to_normal_validation(&the_bts, 6, 3); |
| 3065 | |
| 3066 | printf("=== end %s ===\n", __func__); |
| 3067 | } |
| 3068 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 3069 | static void test_tbf_egprs_dl() |
| 3070 | { |
| 3071 | BTS the_bts; |
| 3072 | gprs_rlcmac_bts *bts; |
| 3073 | uint8_t ts_no = 4; |
| 3074 | int i; |
| 3075 | |
| 3076 | printf("=== start %s ===\n", __func__); |
| 3077 | |
| 3078 | bts = the_bts.bts_data(); |
| 3079 | |
| 3080 | setup_bts(&the_bts, ts_no); |
| 3081 | bts->dl_tbf_idle_msec = 200; |
| 3082 | bts->egprs_enabled = 1; |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 3083 | /* ARQ II */ |
| 3084 | bts->dl_arq_type = EGPRS_ARQ2; |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 3085 | |
| 3086 | for (i = 1; i <= 9; i++) |
| 3087 | establish_and_use_egprs_dl_tbf(&the_bts, i); |
| 3088 | |
| 3089 | printf("=== end %s ===\n", __func__); |
| 3090 | } |
| 3091 | |
| 3092 | |
| 3093 | |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 3094 | static void test_packet_access_rej_prr_no_other_tbfs() |
| 3095 | { |
| 3096 | BTS the_bts; |
| 3097 | uint32_t fn = 2654218; |
| 3098 | int ts_no = 7; |
| 3099 | uint8_t trx_no = 0; |
| 3100 | uint32_t tlli = 0xffeeddcc; |
| 3101 | struct gprs_rlcmac_ul_tbf *ul_tbf = NULL; |
| 3102 | |
| 3103 | printf("=== start %s ===\n", __func__); |
| 3104 | |
| 3105 | setup_bts(&the_bts, ts_no, 4); |
| 3106 | |
| 3107 | int rc = 0; |
| 3108 | |
| 3109 | ul_tbf = handle_tbf_reject(the_bts.bts_data(), NULL, tlli, |
| 3110 | trx_no, ts_no); |
| 3111 | |
| 3112 | OSMO_ASSERT(ul_tbf != 0); |
| 3113 | |
| 3114 | /* trigger packet access reject */ |
| 3115 | uint8_t bn = fn2bn(fn); |
| 3116 | |
| 3117 | rc = gprs_rlcmac_rcv_rts_block(the_bts.bts_data(), |
| 3118 | trx_no, ts_no, fn, bn); |
| 3119 | |
| 3120 | OSMO_ASSERT(rc == 0); |
| 3121 | |
| 3122 | ul_tbf->handle_timeout(); |
| 3123 | |
| 3124 | printf("=== end %s ===\n", __func__); |
| 3125 | } |
| 3126 | |
| 3127 | static void test_packet_access_rej_prr() |
| 3128 | { |
| 3129 | BTS the_bts; |
| 3130 | uint32_t fn = 2654218; |
| 3131 | uint16_t qta = 31; |
| 3132 | int ts_no = 7; |
| 3133 | uint8_t trx_no = 0; |
| 3134 | RlcMacUplink_t ulreq = {0}; |
| 3135 | Packet_Resource_Request_t *presreq = NULL; |
| 3136 | uint8_t ms_class = 11; |
| 3137 | uint8_t egprs_ms_class = 11; |
| 3138 | uint32_t rach_fn = fn - 51; |
| 3139 | uint32_t sba_fn = fn + 52; |
| 3140 | uint32_t tlli = 0xffeeddcc; |
| 3141 | MS_Radio_Access_capability_t *pmsradiocap = NULL; |
| 3142 | Multislot_capability_t *pmultislotcap = NULL; |
| 3143 | |
| 3144 | printf("=== start %s ===\n", __func__); |
| 3145 | |
| 3146 | setup_bts(&the_bts, ts_no, 4); |
| 3147 | |
| 3148 | int rc = 0; |
| 3149 | |
| 3150 | /* |
| 3151 | * Trigger rach till resources(USF) exhaust |
| 3152 | */ |
| 3153 | rc = the_bts.rcv_rach(0x78, rach_fn, qta, 0, |
| 3154 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3155 | rc = the_bts.rcv_rach(0x79, rach_fn, qta, 0, |
| 3156 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3157 | rc = the_bts.rcv_rach(0x7a, rach_fn, qta, 0, |
| 3158 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3159 | rc = the_bts.rcv_rach(0x7b, rach_fn, qta, 0, |
| 3160 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3161 | rc = the_bts.rcv_rach(0x7c, rach_fn, qta, 0, |
| 3162 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3163 | rc = the_bts.rcv_rach(0x7d, rach_fn, qta, 0, |
| 3164 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3165 | rc = the_bts.rcv_rach(0x7e, rach_fn, qta, 0, |
| 3166 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3167 | |
| 3168 | /* fake a resource request */ |
| 3169 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 3170 | presreq = &ulreq.u.Packet_Resource_Request; |
| 3171 | presreq->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 3172 | presreq->ID.UnionType = 1; /* != 0 */ |
| 3173 | presreq->ID.u.TLLI = tlli; |
| 3174 | presreq->Exist_MS_Radio_Access_capability = 1; |
| 3175 | pmsradiocap = &presreq->MS_Radio_Access_capability; |
| 3176 | pmsradiocap->Count_MS_RA_capability_value = 1; |
| 3177 | pmsradiocap->MS_RA_capability_value[0].u.Content. |
| 3178 | Exist_Multislot_capability = 1; |
| 3179 | pmultislotcap = &pmsradiocap->MS_RA_capability_value[0]. |
| 3180 | u.Content.Multislot_capability; |
| 3181 | |
| 3182 | pmultislotcap->Exist_GPRS_multislot_class = 1; |
| 3183 | pmultislotcap->GPRS_multislot_class = ms_class; |
| 3184 | if (egprs_ms_class) { |
| 3185 | pmultislotcap->Exist_EGPRS_multislot_class = 1; |
| 3186 | pmultislotcap->EGPRS_multislot_class = egprs_ms_class; |
| 3187 | } |
| 3188 | |
| 3189 | send_ul_mac_block(&the_bts, trx_no, ts_no, &ulreq, sba_fn); |
| 3190 | |
| 3191 | /* trigger packet access reject */ |
| 3192 | uint8_t bn = fn2bn(fn); |
| 3193 | |
| 3194 | rc = gprs_rlcmac_rcv_rts_block(the_bts.bts_data(), |
| 3195 | trx_no, ts_no, fn, bn); |
| 3196 | |
| 3197 | OSMO_ASSERT(rc == 0); |
| 3198 | |
| 3199 | printf("=== end %s ===\n", __func__); |
| 3200 | } |
| 3201 | |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 3202 | void test_packet_access_rej_epdan() |
| 3203 | { |
| 3204 | BTS the_bts; |
| 3205 | uint32_t tlli = 0xffeeddcc; |
| 3206 | |
| 3207 | printf("=== start %s ===\n", __func__); |
| 3208 | setup_bts(&the_bts, 4); |
| 3209 | static gprs_rlcmac_dl_tbf *dl_tbf = tbf_init(&the_bts, 1); |
| 3210 | |
| 3211 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| 3212 | |
| 3213 | struct msgb *msg = dl_tbf->create_packet_access_reject(); |
| 3214 | |
| 3215 | printf("packet reject: %s\n", |
| 3216 | osmo_hexdump(msg->data, 23)); |
| 3217 | |
| 3218 | OSMO_ASSERT(!strcmp(osmo_hexdump(msg->data, 23), |
| 3219 | "40 84 7f f7 6e e6 41 4b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b ")); |
| 3220 | printf("=== end %s ===\n", __func__); |
| 3221 | |
| 3222 | } |
| 3223 | |
| 3224 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3225 | int main(int argc, char **argv) |
| 3226 | { |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 3227 | struct vty_app_info pcu_vty_info = {0}; |
| 3228 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3229 | tall_pcu_ctx = talloc_named_const(NULL, 1, "moiji-mobile TbfTest context"); |
| 3230 | if (!tall_pcu_ctx) |
| 3231 | abort(); |
| 3232 | |
Neels Hofmeyr | 78ce591 | 2017-02-08 17:07:31 +0100 | [diff] [blame] | 3233 | msgb_talloc_ctx_init(tall_pcu_ctx, 0); |
Harald Welte | ac0490a | 2017-10-29 10:39:32 +0100 | [diff] [blame] | 3234 | osmo_init_logging(&gprs_log_info); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3235 | log_set_use_color(osmo_stderr_target, 0); |
| 3236 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 3237 | bssgp_set_log_ss(DBSSGP); |
Max | fdd79e9 | 2018-01-24 11:04:59 +0100 | [diff] [blame] | 3238 | log_parse_category_mask(osmo_stderr_target, "DRLCMAC,1:DRLCMACDATA,3:DRLCMACDL,3:DRLCMACUL,3:" |
| 3239 | "DRLCMACSCHED,1:DRLCMACMEAS,3:DNS,3:DBSSGP,3:DPCU,5:" |
Max | 164b59d | 2018-01-25 19:52:27 +0100 | [diff] [blame] | 3240 | "DL1IF,6:DTBF,1:DTBFUL,1:DTBFDL,1:"); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 3241 | |
| 3242 | vty_init(&pcu_vty_info); |
Harald Welte | ac0490a | 2017-10-29 10:39:32 +0100 | [diff] [blame] | 3243 | pcu_vty_init(&gprs_log_info); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3244 | |
Jacob Erlbeck | ac89a55 | 2015-06-29 14:18:46 +0200 | [diff] [blame] | 3245 | test_tbf_base(); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3246 | test_tbf_tlli_update(); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 3247 | test_tbf_final_ack(TEST_MODE_STANDARD); |
| 3248 | test_tbf_final_ack(TEST_MODE_REVERSE_FREE); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 3249 | test_tbf_delayed_release(); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 3250 | test_tbf_imsi(); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 3251 | test_tbf_exhaustion(); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 3252 | test_tbf_dl_llc_loss(); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 3253 | test_tbf_single_phase(); |
| 3254 | test_tbf_two_phase(); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 3255 | test_tbf_ra_update_rach(); |
| 3256 | test_tbf_dl_flow_and_rach_two_phase(); |
| 3257 | test_tbf_dl_flow_and_rach_single_phase(); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 3258 | test_tbf_dl_reuse(); |
Jacob Erlbeck | 9b3d7e0 | 2016-01-19 10:44:42 +0100 | [diff] [blame] | 3259 | test_tbf_gprs_egprs(); |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 3260 | test_tbf_ws(); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 3261 | test_tbf_egprs_two_phase(); |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 3262 | test_tbf_egprs_two_phase_spb(); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 3263 | test_tbf_egprs_dl(); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3264 | test_tbf_egprs_retx_dl(); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 3265 | test_tbf_egprs_spb_dl(); |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 3266 | test_tbf_puan_urbb_len(); |
Aravind Sirsikar | 3c2eaeb | 2016-08-30 15:39:04 +0530 | [diff] [blame] | 3267 | test_tbf_update_ws(); |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 3268 | test_tbf_li_decoding(); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 3269 | test_tbf_epdan_out_of_rx_window(); |
aravind sirsikar | c0c3afd | 2016-11-09 16:27:00 +0530 | [diff] [blame] | 3270 | test_immediate_assign_rej(); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 3271 | test_tbf_egprs_two_phase_puan(); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 3272 | test_packet_access_rej_epdan(); |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 3273 | test_packet_access_rej_prr(); |
| 3274 | test_packet_access_rej_prr_no_other_tbfs(); |
Jacob Erlbeck | 67c3850 | 2015-05-11 10:32:40 +0200 | [diff] [blame] | 3275 | |
| 3276 | if (getenv("TALLOC_REPORT_FULL")) |
| 3277 | talloc_report_full(tall_pcu_ctx, stderr); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3278 | return EXIT_SUCCESS; |
| 3279 | } |
| 3280 | |
| 3281 | /* |
| 3282 | * stubs that should not be reached |
| 3283 | */ |
| 3284 | extern "C" { |
| 3285 | void l1if_pdch_req() { abort(); } |
| 3286 | void l1if_connect_pdch() { abort(); } |
| 3287 | void l1if_close_pdch() { abort(); } |
| 3288 | void l1if_open_pdch() { abort(); } |
| 3289 | } |