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" |
Max | 1187a77 | 2018-01-26 13:31:42 +0100 | [diff] [blame] | 30 | #include <gprs_rlcmac.h> |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 31 | |
| 32 | extern "C" { |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 33 | #include "pcu_vty.h" |
| 34 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 35 | #include <osmocom/core/application.h> |
| 36 | #include <osmocom/core/msgb.h> |
| 37 | #include <osmocom/core/talloc.h> |
| 38 | #include <osmocom/core/utils.h> |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 39 | #include <osmocom/vty/vty.h> |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 40 | #include <osmocom/gprs/protocol/gsm_04_60.h> |
bhargava | 959d1de | 2016-08-17 15:17:21 +0530 | [diff] [blame] | 41 | #include <osmocom/gsm/l1sap.h> |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 42 | } |
| 43 | |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 44 | #include <errno.h> |
| 45 | |
Philipp | d935d88 | 2016-11-07 13:07:36 +0100 | [diff] [blame] | 46 | #define DUMMY_FN 2654167 |
| 47 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 48 | void *tall_pcu_ctx; |
| 49 | int16_t spoof_mnc = 0, spoof_mcc = 0; |
Neels Hofmeyr | bdc55fa | 2018-02-21 00:39:07 +0100 | [diff] [blame] | 50 | bool spoof_mnc_3_digits = false; |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 51 | |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 52 | static void check_tbf(gprs_rlcmac_tbf *tbf) |
| 53 | { |
| 54 | OSMO_ASSERT(tbf); |
Jacob Erlbeck | 04e72d3 | 2015-08-13 18:36:56 +0200 | [diff] [blame] | 55 | if (tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 56 | OSMO_ASSERT(tbf->timers_pending(T3191) || tbf->timers_pending(T3193)); |
Jacob Erlbeck | 04e72d3 | 2015-08-13 18:36:56 +0200 | [diff] [blame] | 57 | if (tbf->state_is(GPRS_RLCMAC_RELEASING)) |
Max | ee5be3a | 2017-12-20 17:31:13 +0100 | [diff] [blame] | 58 | OSMO_ASSERT(tbf->timers_pending(T_MAX)); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 59 | } |
| 60 | |
Jacob Erlbeck | ac89a55 | 2015-06-29 14:18:46 +0200 | [diff] [blame] | 61 | static void test_tbf_base() |
| 62 | { |
| 63 | |
| 64 | printf("=== start %s ===\n", __func__); |
| 65 | |
| 66 | OSMO_ASSERT(GPRS_RLCMAC_DL_TBF == reverse(GPRS_RLCMAC_UL_TBF)); |
| 67 | OSMO_ASSERT(GPRS_RLCMAC_UL_TBF == reverse(GPRS_RLCMAC_DL_TBF)); |
| 68 | |
| 69 | printf("=== end %s ===\n", __func__); |
| 70 | } |
| 71 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 72 | static void test_tbf_tlli_update() |
| 73 | { |
| 74 | BTS the_bts; |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 75 | GprsMs *ms, *ms_new; |
| 76 | |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 77 | printf("=== start %s ===\n", __func__); |
| 78 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 79 | the_bts.bts_data()->alloc_algorithm = alloc_algorithm_a; |
| 80 | the_bts.bts_data()->trx[0].pdch[2].enable(); |
| 81 | the_bts.bts_data()->trx[0].pdch[3].enable(); |
| 82 | |
| 83 | /* |
| 84 | * Make a uplink and downlink allocation |
| 85 | */ |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 86 | 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] | 87 | NULL, |
Max | 92b7a50 | 2018-01-26 11:01:35 +0100 | [diff] [blame] | 88 | 0, 0, 0, false); |
Jacob Erlbeck | c6d4cee | 2015-06-29 13:03:46 +0200 | [diff] [blame] | 89 | OSMO_ASSERT(dl_tbf != NULL); |
Jacob Erlbeck | be0cbc1 | 2015-05-18 14:35:11 +0200 | [diff] [blame] | 90 | dl_tbf->update_ms(0x2342, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 91 | dl_tbf->set_ta(4); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 92 | |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 93 | 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] | 94 | dl_tbf->ms(), |
Max | 92b7a50 | 2018-01-26 11:01:35 +0100 | [diff] [blame] | 95 | 0, 0, 0, false); |
Jacob Erlbeck | c6d4cee | 2015-06-29 13:03:46 +0200 | [diff] [blame] | 96 | OSMO_ASSERT(ul_tbf != NULL); |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 97 | ul_tbf->update_ms(0x2342, GPRS_RLCMAC_UL_TBF); |
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 | ms = the_bts.ms_by_tlli(0x2342); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 100 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 101 | OSMO_ASSERT(ms != NULL); |
| 102 | OSMO_ASSERT(ms->dl_tbf() == dl_tbf); |
| 103 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 104 | |
| 105 | /* |
| 106 | * Now check.. that DL changes and that the timing advance |
| 107 | * has changed. |
| 108 | */ |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 109 | dl_tbf->update_ms(0x4232, GPRS_RLCMAC_DL_TBF); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 110 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 111 | /* It is still there, since the new TLLI has not been used for UL yet */ |
| 112 | ms_new = the_bts.ms_by_tlli(0x2342); |
| 113 | OSMO_ASSERT(ms == ms_new); |
| 114 | |
| 115 | ms_new = the_bts.ms_by_tlli(0x4232); |
| 116 | OSMO_ASSERT(ms == ms_new); |
| 117 | OSMO_ASSERT(ms->dl_tbf() == dl_tbf); |
| 118 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 119 | |
| 120 | /* Now use the new TLLI for UL */ |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 121 | ul_tbf->update_ms(0x4232, GPRS_RLCMAC_UL_TBF); |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 122 | ms_new = the_bts.ms_by_tlli(0x2342); |
| 123 | OSMO_ASSERT(ms_new == NULL); |
Holger Hans Peter Freyther | bc1626e | 2013-10-30 19:50:49 +0100 | [diff] [blame] | 124 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 125 | ms_new = the_bts.ms_by_tlli(0x4232); |
| 126 | OSMO_ASSERT(ms_new != NULL); |
| 127 | OSMO_ASSERT(ms_new->ta() == 4); |
| 128 | |
| 129 | OSMO_ASSERT(ul_tbf->ta() == 4); |
| 130 | OSMO_ASSERT(dl_tbf->ta() == 4); |
| 131 | |
| 132 | ul_tbf->set_ta(6); |
| 133 | |
| 134 | OSMO_ASSERT(ul_tbf->ta() == 6); |
| 135 | OSMO_ASSERT(dl_tbf->ta() == 6); |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 136 | |
| 137 | printf("=== end %s ===\n", __func__); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 138 | } |
| 139 | |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 140 | static uint8_t llc_data[200]; |
| 141 | |
Max | a296118 | 2018-01-25 19:47:28 +0100 | [diff] [blame] | 142 | /* override, requires '-Wl,--wrap=pcu_sock_send' */ |
| 143 | int __real_pcu_sock_send(struct msgb *msg); |
| 144 | int __wrap_pcu_sock_send(struct msgb *msg) |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 145 | { |
| 146 | return 0; |
| 147 | } |
| 148 | |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 149 | 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] | 150 | { |
| 151 | gprs_rlcmac_bts *bts; |
| 152 | gprs_rlcmac_trx *trx; |
| 153 | |
| 154 | bts = the_bts->bts_data(); |
| 155 | bts->alloc_algorithm = alloc_algorithm_a; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 156 | bts->initial_cs_dl = cs; |
| 157 | bts->initial_cs_ul = cs; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 158 | trx = &bts->trx[0]; |
| 159 | |
| 160 | trx->pdch[ts_no].enable(); |
Philipp | d935d88 | 2016-11-07 13:07:36 +0100 | [diff] [blame] | 161 | the_bts->set_current_frame_number(DUMMY_FN); |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 162 | } |
| 163 | |
| 164 | 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] | 165 | uint8_t egprs_ms_class, uint8_t *trx_no_) |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 166 | { |
| 167 | gprs_rlcmac_bts *bts; |
| 168 | int tfi; |
| 169 | uint8_t trx_no; |
| 170 | |
| 171 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 172 | |
| 173 | bts = the_bts->bts_data(); |
| 174 | |
| 175 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_DL_TBF, &trx_no, -1); |
| 176 | OSMO_ASSERT(tfi >= 0); |
Max | 92b7a50 | 2018-01-26 11:01:35 +0100 | [diff] [blame] | 177 | dl_tbf = tbf_alloc_dl_tbf(bts, NULL, trx_no, ms_class, egprs_ms_class, |
| 178 | true); |
Max | 9bbe160 | 2016-07-18 12:50:18 +0200 | [diff] [blame] | 179 | dl_tbf->set_ta(0); |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 180 | check_tbf(dl_tbf); |
| 181 | |
| 182 | /* "Establish" the DL TBF */ |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 183 | TBF_SET_ASS_STATE_DL(dl_tbf, GPRS_RLCMAC_DL_ASS_SEND_ASS); |
Max | 2399b1d | 2018-01-12 15:48:12 +0100 | [diff] [blame] | 184 | TBF_SET_STATE(dl_tbf, GPRS_RLCMAC_FLOW); |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 185 | dl_tbf->m_wait_confirm = 0; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 186 | check_tbf(dl_tbf); |
| 187 | |
| 188 | *trx_no_ = trx_no; |
| 189 | |
| 190 | return dl_tbf; |
| 191 | } |
| 192 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 193 | static unsigned fn2bn(unsigned fn) |
| 194 | { |
| 195 | return (fn % 52) / 4; |
| 196 | } |
| 197 | |
| 198 | static unsigned fn_add_blocks(unsigned fn, unsigned blocks) |
| 199 | { |
| 200 | unsigned bn = fn2bn(fn) + blocks; |
| 201 | fn = fn - (fn % 52); |
| 202 | fn += bn * 4 + bn / 3; |
Max | 9dabfa2 | 2017-05-16 16:10:45 +0200 | [diff] [blame] | 203 | return fn % GSM_MAX_FN; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 204 | } |
| 205 | |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 206 | static void request_dl_rlc_block(struct gprs_rlcmac_bts *bts, |
Max | 878bd1f | 2016-07-20 13:05:05 +0200 | [diff] [blame] | 207 | uint8_t trx_no, uint8_t ts_no, |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 208 | uint32_t *fn, uint8_t *block_nr = NULL) |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 209 | { |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 210 | uint8_t bn = fn2bn(*fn); |
Max | 878bd1f | 2016-07-20 13:05:05 +0200 | [diff] [blame] | 211 | gprs_rlcmac_rcv_rts_block(bts, trx_no, ts_no, *fn, bn); |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 212 | *fn = fn_add_blocks(*fn, 1); |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 213 | bn += 1; |
| 214 | if (block_nr) |
| 215 | *block_nr = bn; |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 216 | } |
| 217 | |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 218 | static void request_dl_rlc_block(struct gprs_rlcmac_tbf *tbf, |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 219 | uint32_t *fn, uint8_t *block_nr = NULL) |
Jacob Erlbeck | 64921d2 | 2015-08-24 11:34:47 +0200 | [diff] [blame] | 220 | { |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 221 | request_dl_rlc_block(tbf->bts->bts_data(), tbf->trx->trx_no, |
Max | 878bd1f | 2016-07-20 13:05:05 +0200 | [diff] [blame] | 222 | tbf->control_ts, fn, block_nr); |
Jacob Erlbeck | 64921d2 | 2015-08-24 11:34:47 +0200 | [diff] [blame] | 223 | } |
| 224 | |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 225 | enum test_tbf_final_ack_mode { |
| 226 | TEST_MODE_STANDARD, |
| 227 | TEST_MODE_REVERSE_FREE |
| 228 | }; |
| 229 | |
| 230 | 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] | 231 | { |
| 232 | BTS the_bts; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 233 | uint8_t ts_no = 4; |
| 234 | unsigned i; |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 235 | uint8_t ms_class = 45; |
| 236 | uint32_t fn; |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 237 | uint8_t block_nr; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 238 | uint8_t trx_no; |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 239 | GprsMs *ms; |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 240 | uint32_t tlli = 0xffeeddcc; |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 241 | |
| 242 | uint8_t rbb[64/8]; |
| 243 | |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 244 | printf("=== start %s ===\n", __func__); |
| 245 | |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 246 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 247 | gprs_rlcmac_tbf *new_tbf; |
| 248 | |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 249 | setup_bts(&the_bts, ts_no); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 250 | dl_tbf = create_dl_tbf(&the_bts, ms_class, 0, &trx_no); |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 251 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 252 | ms = dl_tbf->ms(); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 253 | |
| 254 | for (i = 0; i < sizeof(llc_data); i++) |
| 255 | llc_data[i] = i%256; |
| 256 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 257 | /* Schedule two LLC frames */ |
Daniel Willmann | 0f58af6 | 2014-09-19 11:57:21 +0200 | [diff] [blame] | 258 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 259 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 260 | |
| 261 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 262 | /* Send only a few RLC/MAC blocks */ |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 263 | fn = 0; |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 264 | do { |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 265 | /* Request to send one block */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 266 | request_dl_rlc_block(dl_tbf, &fn, &block_nr); |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 267 | } while (block_nr < 3); |
Jacob Erlbeck | 64921d2 | 2015-08-24 11:34:47 +0200 | [diff] [blame] | 268 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 269 | OSMO_ASSERT(dl_tbf->have_data()); |
| 270 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 271 | |
| 272 | /* Queue a final ACK */ |
| 273 | memset(rbb, 0, sizeof(rbb)); |
| 274 | /* Receive a final ACK */ |
Max | 7df82d4 | 2017-12-15 11:14:30 +0100 | [diff] [blame] | 275 | dl_tbf->rcvd_dl_ack(true, 1, rbb); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 276 | |
| 277 | /* Clean up and ensure tbfs are in the correct state */ |
| 278 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 279 | new_tbf = ms->dl_tbf(); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 280 | check_tbf(new_tbf); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 281 | OSMO_ASSERT(new_tbf != dl_tbf); |
| 282 | OSMO_ASSERT(new_tbf->tfi() == 1); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 283 | check_tbf(dl_tbf); |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 284 | TBF_SET_ASS_STATE_DL(dl_tbf, GPRS_RLCMAC_DL_ASS_NONE); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 285 | if (test_mode == TEST_MODE_REVERSE_FREE) { |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 286 | GprsMs::Guard guard(ms); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 287 | tbf_free(new_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 288 | OSMO_ASSERT(ms->dl_tbf() == NULL); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 289 | check_tbf(dl_tbf); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 290 | tbf_free(dl_tbf); |
| 291 | } else { |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 292 | GprsMs::Guard guard(ms); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 293 | tbf_free(dl_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 294 | OSMO_ASSERT(ms->dl_tbf() == new_tbf); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 295 | check_tbf(new_tbf); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 296 | tbf_free(new_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 297 | OSMO_ASSERT(ms->dl_tbf() == NULL); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 298 | } |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 299 | |
| 300 | printf("=== end %s ===\n", __func__); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 301 | } |
| 302 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 303 | /* Receive an ACK */ |
| 304 | #define RCV_ACK(fin, tbf, rbb) do { \ |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 305 | tbf->rcvd_dl_ack(fin, tbf->window()->v_s(), rbb); \ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 306 | if (!fin) \ |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 307 | OSMO_ASSERT(tbf->window()->window_empty()); \ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 308 | } while(0) |
| 309 | |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 310 | static void test_tbf_delayed_release() |
| 311 | { |
| 312 | BTS the_bts; |
| 313 | gprs_rlcmac_bts *bts; |
| 314 | uint8_t ts_no = 4; |
| 315 | unsigned i; |
| 316 | uint8_t ms_class = 45; |
| 317 | uint32_t fn = 0; |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 318 | uint8_t trx_no; |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 319 | uint32_t tlli = 0xffeeddcc; |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 320 | |
| 321 | uint8_t rbb[64/8]; |
| 322 | |
| 323 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 324 | |
| 325 | printf("=== start %s ===\n", __func__); |
| 326 | |
| 327 | bts = the_bts.bts_data(); |
| 328 | |
| 329 | setup_bts(&the_bts, ts_no); |
| 330 | bts->dl_tbf_idle_msec = 200; |
| 331 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 332 | dl_tbf = create_dl_tbf(&the_bts, ms_class, 0, &trx_no); |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 333 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 334 | |
| 335 | for (i = 0; i < sizeof(llc_data); i++) |
| 336 | llc_data[i] = i%256; |
| 337 | |
| 338 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 339 | |
| 340 | /* Schedule two LLC frames */ |
| 341 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 342 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 343 | |
| 344 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 345 | |
| 346 | /* Drain the queue */ |
| 347 | while (dl_tbf->have_data()) |
| 348 | /* Request to send one RLC/MAC block */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 349 | request_dl_rlc_block(dl_tbf, &fn); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 350 | |
| 351 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 352 | |
| 353 | /* ACK all blocks */ |
| 354 | memset(rbb, 0xff, sizeof(rbb)); |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 355 | |
| 356 | RCV_ACK(false, dl_tbf, rbb); /* Receive an ACK */ |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 357 | |
| 358 | /* Force sending of a single block containing an LLC dummy command */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 359 | request_dl_rlc_block(dl_tbf, &fn); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 360 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 361 | RCV_ACK(false, dl_tbf, rbb); /* Receive an ACK */ |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 362 | |
| 363 | /* Timeout (make sure fn % 52 remains valid) */ |
| 364 | 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] | 365 | request_dl_rlc_block(dl_tbf, &fn); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 366 | |
| 367 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FINISHED)); |
| 368 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 369 | RCV_ACK(true, dl_tbf, rbb); /* Receive a final ACK */ |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 370 | |
| 371 | /* Clean up and ensure tbfs are in the correct state */ |
| 372 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 373 | TBF_SET_ASS_STATE_DL(dl_tbf, GPRS_RLCMAC_DL_ASS_NONE); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 374 | check_tbf(dl_tbf); |
| 375 | tbf_free(dl_tbf); |
| 376 | printf("=== end %s ===\n", __func__); |
| 377 | } |
| 378 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 379 | static void test_tbf_imsi() |
| 380 | { |
| 381 | BTS the_bts; |
| 382 | uint8_t ts_no = 4; |
| 383 | uint8_t ms_class = 45; |
| 384 | uint8_t trx_no; |
| 385 | GprsMs *ms1, *ms2; |
| 386 | |
| 387 | gprs_rlcmac_dl_tbf *dl_tbf[2]; |
| 388 | |
| 389 | printf("=== start %s ===\n", __func__); |
| 390 | |
| 391 | setup_bts(&the_bts, ts_no); |
| 392 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 393 | dl_tbf[0] = create_dl_tbf(&the_bts, ms_class, 0, &trx_no); |
| 394 | 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] | 395 | |
| 396 | dl_tbf[0]->update_ms(0xf1000001, GPRS_RLCMAC_DL_TBF); |
| 397 | dl_tbf[1]->update_ms(0xf1000002, GPRS_RLCMAC_DL_TBF); |
| 398 | |
| 399 | dl_tbf[0]->assign_imsi("001001000000001"); |
| 400 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000001"); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 401 | OSMO_ASSERT(ms1 != NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 402 | ms2 = the_bts.ms_store().get_ms(0xf1000001); |
| 403 | OSMO_ASSERT(ms2 != NULL); |
| 404 | OSMO_ASSERT(strcmp(ms2->imsi(), "001001000000001") == 0); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 405 | OSMO_ASSERT(ms1 == ms2); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 406 | |
| 407 | /* change the IMSI on TBF 0 */ |
| 408 | dl_tbf[0]->assign_imsi("001001000000002"); |
| 409 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000001"); |
| 410 | OSMO_ASSERT(ms1 == NULL); |
| 411 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 412 | OSMO_ASSERT(ms1 != NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 413 | OSMO_ASSERT(strcmp(ms2->imsi(), "001001000000002") == 0); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 414 | OSMO_ASSERT(ms1 == ms2); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 415 | |
| 416 | /* use the same IMSI on TBF 2 */ |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 417 | { |
| 418 | GprsMs::Guard guard(ms2); |
| 419 | dl_tbf[1]->assign_imsi("001001000000002"); |
| 420 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
| 421 | OSMO_ASSERT(ms1 != NULL); |
| 422 | OSMO_ASSERT(ms1 != ms2); |
| 423 | OSMO_ASSERT(strcmp(ms1->imsi(), "001001000000002") == 0); |
| 424 | OSMO_ASSERT(strcmp(ms2->imsi(), "") == 0); |
| 425 | } |
| 426 | |
| 427 | ms2 = the_bts.ms_store().get_ms(0xf1000001); |
| 428 | OSMO_ASSERT(ms2 == NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 429 | |
| 430 | tbf_free(dl_tbf[1]); |
| 431 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
| 432 | OSMO_ASSERT(ms1 == NULL); |
| 433 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 434 | printf("=== end %s ===\n", __func__); |
| 435 | } |
| 436 | |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 437 | static void test_tbf_exhaustion() |
| 438 | { |
| 439 | BTS the_bts; |
| 440 | gprs_rlcmac_bts *bts; |
| 441 | unsigned i; |
| 442 | uint8_t ts_no = 4; |
| 443 | uint8_t ms_class = 45; |
| 444 | int rc = 0; |
| 445 | |
| 446 | uint8_t buf[256] = {0}; |
| 447 | |
| 448 | printf("=== start %s ===\n", __func__); |
| 449 | |
| 450 | bts = the_bts.bts_data(); |
| 451 | setup_bts(&the_bts, ts_no); |
| 452 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
Neels Hofmeyr | bdc55fa | 2018-02-21 00:39:07 +0100 | [diff] [blame] | 453 | 1234, 1234, 1234, 1, 1, false, 0, 0, 0); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 454 | |
| 455 | for (i = 0; i < 1024; i++) { |
| 456 | uint32_t tlli = 0xc0000000 + i; |
| 457 | char imsi[16] = {0}; |
| 458 | unsigned delay_csec = 1000; |
| 459 | |
Jacob Erlbeck | 9a2845d | 2015-05-21 12:06:58 +0200 | [diff] [blame] | 460 | snprintf(imsi, sizeof(imsi), "001001%09d", i); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 461 | |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 462 | 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] | 463 | delay_csec, buf, sizeof(buf)); |
| 464 | |
| 465 | if (rc < 0) |
| 466 | break; |
| 467 | } |
| 468 | |
| 469 | OSMO_ASSERT(rc == -EBUSY); |
| 470 | printf("=== end %s ===\n", __func__); |
| 471 | |
| 472 | gprs_bssgp_destroy(); |
| 473 | } |
| 474 | |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 475 | static void test_tbf_dl_llc_loss() |
| 476 | { |
| 477 | BTS the_bts; |
| 478 | gprs_rlcmac_bts *bts; |
| 479 | uint8_t ts_no = 4; |
| 480 | uint8_t ms_class = 45; |
| 481 | int rc = 0; |
| 482 | uint32_t tlli = 0xc0123456; |
| 483 | const char *imsi = "001001000123456"; |
| 484 | unsigned delay_csec = 1000; |
| 485 | GprsMs *ms; |
| 486 | |
| 487 | uint8_t buf[19]; |
| 488 | |
| 489 | printf("=== start %s ===\n", __func__); |
| 490 | |
| 491 | bts = the_bts.bts_data(); |
| 492 | setup_bts(&the_bts, ts_no); |
| 493 | bts->ms_idle_sec = 10; /* keep the MS object */ |
| 494 | |
| 495 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
Neels Hofmeyr | bdc55fa | 2018-02-21 00:39:07 +0100 | [diff] [blame] | 496 | 1234, 1234, 1234, 1, 1, false, 0, 0, 0); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 497 | |
| 498 | /* Handle LLC frame 1 */ |
| 499 | memset(buf, 1, sizeof(buf)); |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 500 | 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] | 501 | delay_csec, buf, sizeof(buf)); |
| 502 | OSMO_ASSERT(rc >= 0); |
| 503 | |
| 504 | ms = the_bts.ms_store().get_ms(0, 0, imsi); |
| 505 | OSMO_ASSERT(ms != NULL); |
| 506 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
Max | 9bbe160 | 2016-07-18 12:50:18 +0200 | [diff] [blame] | 507 | ms->dl_tbf()->set_ta(0); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 508 | |
| 509 | /* Handle LLC frame 2 */ |
| 510 | memset(buf, 2, sizeof(buf)); |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 511 | 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] | 512 | delay_csec, buf, sizeof(buf)); |
| 513 | OSMO_ASSERT(rc >= 0); |
| 514 | |
| 515 | /* TBF establishment fails (timeout) */ |
| 516 | tbf_free(ms->dl_tbf()); |
| 517 | |
| 518 | /* Handle LLC frame 3 */ |
| 519 | memset(buf, 3, sizeof(buf)); |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 520 | 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] | 521 | delay_csec, buf, sizeof(buf)); |
| 522 | OSMO_ASSERT(rc >= 0); |
| 523 | |
| 524 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
| 525 | |
| 526 | /* Get first BSN */ |
| 527 | struct msgb *msg; |
| 528 | int fn = 0; |
| 529 | uint8_t expected_data = 1; |
| 530 | |
| 531 | while (ms->dl_tbf()->have_data()) { |
| 532 | msg = ms->dl_tbf()->create_dl_acked_block(fn += 4, 7); |
| 533 | fprintf(stderr, "MSG = %s\n", msgb_hexdump(msg)); |
| 534 | OSMO_ASSERT(msgb_length(msg) == 23); |
Jacob Erlbeck | 409efa1 | 2015-06-12 14:06:09 +0200 | [diff] [blame] | 535 | OSMO_ASSERT(msgb_data(msg)[10] == expected_data); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 536 | expected_data += 1; |
| 537 | } |
Jacob Erlbeck | 409efa1 | 2015-06-12 14:06:09 +0200 | [diff] [blame] | 538 | OSMO_ASSERT(expected_data-1 == 3); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 539 | |
| 540 | printf("=== end %s ===\n", __func__); |
| 541 | |
| 542 | gprs_bssgp_destroy(); |
| 543 | } |
| 544 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 545 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_single_phase(BTS *the_bts, |
| 546 | 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] | 547 | { |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 548 | GprsMs *ms; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 549 | int tfi = 0; |
| 550 | gprs_rlcmac_ul_tbf *ul_tbf; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 551 | uint8_t trx_no = 0; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 552 | struct gprs_rlcmac_pdch *pdch; |
Jacob Erlbeck | 20f6fd1 | 2015-06-08 11:05:45 +0200 | [diff] [blame] | 553 | struct pcu_l1_meas meas; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 554 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 555 | 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] | 556 | |
bhargava | 959d1de | 2016-08-17 15:17:21 +0530 | [diff] [blame] | 557 | 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] | 558 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 559 | 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] | 560 | OSMO_ASSERT(ul_tbf != NULL); |
| 561 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 562 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 563 | |
| 564 | uint8_t data_msg[23] = { |
| 565 | 0x00, /* GPRS_RLCMAC_DATA_BLOCK << 6 */ |
| 566 | uint8_t(1 | (tfi << 2)), |
| 567 | uint8_t(1), /* BSN:7, E:1 */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 568 | uint8_t(tlli >> 24), uint8_t(tlli >> 16), |
| 569 | uint8_t(tlli >> 8), uint8_t(tlli), /* TLLI */ |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 570 | }; |
| 571 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 572 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 573 | pdch->rcv_block(&data_msg[0], sizeof(data_msg), *fn, &meas); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 574 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 575 | ms = the_bts->ms_by_tlli(tlli); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 576 | OSMO_ASSERT(ms != NULL); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 577 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 578 | return ul_tbf; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 579 | } |
| 580 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 581 | static void send_ul_mac_block(BTS *the_bts, unsigned trx_no, unsigned ts_no, |
| 582 | RlcMacUplink_t *ulreq, unsigned fn) |
| 583 | { |
| 584 | bitvec *rlc_block; |
| 585 | uint8_t buf[64]; |
| 586 | int num_bytes; |
| 587 | struct gprs_rlcmac_pdch *pdch; |
| 588 | struct pcu_l1_meas meas; |
| 589 | |
| 590 | meas.set_rssi(31); |
| 591 | |
Alexander Couzens | ccde5c9 | 2017-02-04 03:10:08 +0100 | [diff] [blame] | 592 | rlc_block = bitvec_alloc(23, tall_pcu_ctx); |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 593 | |
| 594 | encode_gsm_rlcmac_uplink(rlc_block, ulreq); |
| 595 | num_bytes = bitvec_pack(rlc_block, &buf[0]); |
| 596 | OSMO_ASSERT(size_t(num_bytes) < sizeof(buf)); |
| 597 | bitvec_free(rlc_block); |
| 598 | |
Jacob Erlbeck | af75ce8 | 2015-08-26 13:22:28 +0200 | [diff] [blame] | 599 | the_bts->set_current_block_frame_number(fn, 0); |
| 600 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 601 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 602 | pdch->rcv_block(&buf[0], num_bytes, fn, &meas); |
| 603 | } |
| 604 | |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 605 | static void send_control_ack(gprs_rlcmac_tbf *tbf) |
| 606 | { |
| 607 | RlcMacUplink_t ulreq = {0}; |
| 608 | |
| 609 | OSMO_ASSERT(tbf->poll_fn != 0); |
Jacob Erlbeck | 8eb1714 | 2016-01-22 17:58:17 +0100 | [diff] [blame] | 610 | OSMO_ASSERT(tbf->is_control_ts(tbf->poll_ts)); |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 611 | |
| 612 | ulreq.u.MESSAGE_TYPE = MT_PACKET_CONTROL_ACK; |
| 613 | Packet_Control_Acknowledgement_t *ctrl_ack = |
| 614 | &ulreq.u.Packet_Control_Acknowledgement; |
| 615 | |
| 616 | ctrl_ack->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 617 | ctrl_ack->TLLI = tbf->tlli(); |
Jacob Erlbeck | 8eb1714 | 2016-01-22 17:58:17 +0100 | [diff] [blame] | 618 | 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] | 619 | &ulreq, tbf->poll_fn); |
| 620 | } |
| 621 | |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 622 | static gprs_rlcmac_ul_tbf *puan_urbb_len_issue(BTS *the_bts, |
| 623 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 624 | uint8_t ms_class, uint8_t egprs_ms_class) |
| 625 | { |
| 626 | GprsMs *ms; |
| 627 | uint32_t rach_fn = *fn - 51; |
| 628 | uint32_t sba_fn = *fn + 52; |
| 629 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 630 | int tfi = 0; |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 631 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 632 | struct gprs_rlcmac_pdch *pdch; |
| 633 | gprs_rlcmac_bts *bts; |
| 634 | RlcMacUplink_t ulreq = {0}; |
| 635 | struct pcu_l1_meas meas; |
| 636 | struct gprs_rlc_ul_header_egprs_3 *egprs3 = NULL; |
| 637 | GprsCodingScheme cs; |
| 638 | |
| 639 | meas.set_rssi(31); |
| 640 | bts = the_bts->bts_data(); |
| 641 | |
| 642 | /* needed to set last_rts_fn in the PDCH object */ |
| 643 | request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| 644 | |
| 645 | /* |
| 646 | * simulate RACH, this sends an Immediate |
| 647 | * Assignment Uplink on the AGCH |
| 648 | */ |
Aravind Sirsikar | fd71384 | 2016-08-28 17:55:05 +0530 | [diff] [blame] | 649 | 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] | 650 | |
| 651 | /* get next free TFI */ |
| 652 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| 653 | |
| 654 | /* fake a resource request */ |
| 655 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 656 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 657 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 658 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
| 659 | ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability = 1; |
| 660 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 661 | Count_MS_RA_capability_value = 1; |
| 662 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 663 | MS_RA_capability_value[0].u.Content. |
| 664 | Exist_Multislot_capability = 1; |
| 665 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 666 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 667 | Exist_GPRS_multislot_class = 1; |
| 668 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 669 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 670 | GPRS_multislot_class = ms_class; |
| 671 | if (egprs_ms_class) { |
| 672 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 673 | MS_RA_capability_value[0].u.Content. |
| 674 | Multislot_capability.Exist_EGPRS_multislot_class = 1; |
| 675 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 676 | MS_RA_capability_value[0].u.Content. |
| 677 | Multislot_capability.EGPRS_multislot_class = ms_class; |
| 678 | } |
| 679 | |
| 680 | send_ul_mac_block(the_bts, trx_no, ts_no, &ulreq, sba_fn); |
| 681 | |
| 682 | /* check the TBF */ |
| 683 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
| 684 | OSMO_ASSERT(ul_tbf); |
| 685 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 686 | |
| 687 | /* send packet uplink assignment */ |
| 688 | *fn = sba_fn; |
| 689 | request_dl_rlc_block(ul_tbf, fn); |
| 690 | |
| 691 | /* send real acknowledgement */ |
| 692 | send_control_ack(ul_tbf); |
| 693 | |
| 694 | check_tbf(ul_tbf); |
| 695 | /* send fake data */ |
| 696 | uint8_t data_msg[42] = { |
| 697 | 0xf << 2, /* GPRS_RLCMAC_DATA_BLOCK << 6, CV = 15 */ |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 698 | (uint8_t)(tfi << 1), |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 699 | 1, /* BSN:7, E:1 */ |
| 700 | }; |
| 701 | |
| 702 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 703 | pdch->rcv_block(&data_msg[0], 23, *fn, &meas); |
| 704 | |
| 705 | ms = the_bts->ms_by_tlli(tlli); |
| 706 | OSMO_ASSERT(ms != NULL); |
| 707 | OSMO_ASSERT(ms->ta() == qta/4); |
| 708 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 709 | |
| 710 | /* |
| 711 | * TS 44.060, B.8.1 |
| 712 | * first seg received first, later second seg |
| 713 | */ |
| 714 | cs = GprsCodingScheme::MCS3; |
| 715 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 716 | egprs3->si = 0; |
| 717 | egprs3->r = 1; |
| 718 | egprs3->cv = 7; |
| 719 | egprs3->tfi_hi = tfi & 0x03; |
| 720 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 721 | egprs3->bsn1_hi = 1; |
| 722 | egprs3->bsn1_lo = 0; |
| 723 | egprs3->cps_hi = 1; |
| 724 | data_msg[3] = 0xff; |
| 725 | egprs3->pi = 0; |
| 726 | egprs3->cps_lo = 1; |
| 727 | egprs3->rsb = 0; |
| 728 | egprs3->spb = 0; |
| 729 | egprs3->pi = 0; |
| 730 | |
| 731 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 732 | |
| 733 | struct msgb *msg1 = ul_tbf->create_ul_ack(*fn, ts_no); |
| 734 | |
| 735 | OSMO_ASSERT(!strcmp(osmo_hexdump(msg1->data, msg1->data_len), |
| 736 | "40 24 01 3f 3e 24 46 68 90 87 b0 06 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b " |
| 737 | )); |
| 738 | |
| 739 | egprs3->si = 0; |
| 740 | egprs3->r = 1; |
| 741 | egprs3->cv = 7; |
| 742 | egprs3->tfi_hi = tfi & 0x03; |
| 743 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 744 | egprs3->bsn1_hi = 4; |
| 745 | egprs3->bsn1_lo = 0; |
| 746 | egprs3->cps_hi = 1; |
| 747 | data_msg[3] = 0xff; |
| 748 | egprs3->pi = 0; |
| 749 | egprs3->cps_lo = 1; |
| 750 | egprs3->rsb = 0; |
| 751 | egprs3->spb = 0; |
| 752 | |
| 753 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 754 | |
| 755 | msg1 = ul_tbf->create_ul_ack(*fn, ts_no); |
| 756 | |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 757 | OSMO_ASSERT(!strcmp(osmo_hexdump(msg1->data, msg1->data_len), |
Aravind Sirsikar | eebcb1e | 2016-08-25 16:40:23 +0530 | [diff] [blame] | 758 | "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] | 759 | )); |
| 760 | |
| 761 | return ul_tbf; |
| 762 | } |
| 763 | |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 764 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_spb(BTS *the_bts, |
| 765 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 766 | uint8_t ms_class, uint8_t egprs_ms_class) |
| 767 | { |
| 768 | GprsMs *ms; |
| 769 | uint32_t rach_fn = *fn - 51; |
| 770 | uint32_t sba_fn = *fn + 52; |
| 771 | uint8_t trx_no = 0; |
| 772 | int tfi = 0, i = 0; |
| 773 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 774 | struct gprs_rlcmac_pdch *pdch; |
| 775 | gprs_rlcmac_bts *bts; |
| 776 | RlcMacUplink_t ulreq = {0}; |
| 777 | struct pcu_l1_meas meas; |
| 778 | struct gprs_rlc_ul_header_egprs_3 *egprs3 = NULL; |
| 779 | GprsCodingScheme cs; |
| 780 | |
| 781 | meas.set_rssi(31); |
| 782 | bts = the_bts->bts_data(); |
| 783 | |
| 784 | /* needed to set last_rts_fn in the PDCH object */ |
| 785 | request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| 786 | |
| 787 | /* |
| 788 | * simulate RACH, this sends an Immediate |
| 789 | * Assignment Uplink on the AGCH |
| 790 | */ |
bhargava | 959d1de | 2016-08-17 15:17:21 +0530 | [diff] [blame] | 791 | 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] | 792 | |
| 793 | /* get next free TFI */ |
| 794 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| 795 | |
| 796 | /* fake a resource request */ |
| 797 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 798 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 799 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 800 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
| 801 | ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability = 1; |
| 802 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 803 | Count_MS_RA_capability_value = 1; |
| 804 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 805 | MS_RA_capability_value[0].u.Content. |
| 806 | Exist_Multislot_capability = 1; |
| 807 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 808 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 809 | Exist_GPRS_multislot_class = 1; |
| 810 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 811 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 812 | GPRS_multislot_class = ms_class; |
| 813 | if (egprs_ms_class) { |
| 814 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 815 | MS_RA_capability_value[0].u.Content. |
| 816 | Multislot_capability.Exist_EGPRS_multislot_class = 1; |
| 817 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 818 | MS_RA_capability_value[0].u.Content. |
| 819 | Multislot_capability.EGPRS_multislot_class = ms_class; |
| 820 | } |
| 821 | |
| 822 | send_ul_mac_block(the_bts, trx_no, ts_no, &ulreq, sba_fn); |
| 823 | |
| 824 | /* check the TBF */ |
| 825 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
| 826 | OSMO_ASSERT(ul_tbf != NULL); |
| 827 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 828 | |
| 829 | /* send packet uplink assignment */ |
| 830 | *fn = sba_fn; |
| 831 | request_dl_rlc_block(ul_tbf, fn); |
| 832 | |
| 833 | /* send real acknowledgement */ |
| 834 | send_control_ack(ul_tbf); |
| 835 | |
| 836 | check_tbf(ul_tbf); |
| 837 | |
| 838 | /* send fake data */ |
| 839 | uint8_t data_msg[42] = { |
| 840 | 0x00 | 0xf << 2, /* GPRS_RLCMAC_DATA_BLOCK << 6, CV = 15 */ |
| 841 | uint8_t(0 | (tfi << 1)), |
| 842 | uint8_t(1), /* BSN:7, E:1 */ |
| 843 | }; |
| 844 | |
| 845 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 846 | pdch->rcv_block(&data_msg[0], 23, *fn, &meas); |
| 847 | |
| 848 | ms = the_bts->ms_by_tlli(tlli); |
| 849 | OSMO_ASSERT(ms != NULL); |
| 850 | OSMO_ASSERT(ms->ta() == qta/4); |
| 851 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 852 | |
| 853 | /* |
| 854 | * TS 44.060, B.8.1 |
| 855 | * first seg received first, later second seg |
| 856 | */ |
| 857 | cs = GprsCodingScheme::MCS3; |
| 858 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 859 | egprs3->si = 1; |
| 860 | egprs3->r = 1; |
| 861 | egprs3->cv = 7; |
| 862 | egprs3->tfi_hi = tfi & 0x03; |
| 863 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 864 | egprs3->bsn1_hi = 1; |
| 865 | egprs3->bsn1_lo = 0; |
| 866 | egprs3->cps_hi = 1; |
| 867 | data_msg[3] = 0xff; |
| 868 | egprs3->pi = 0; |
| 869 | egprs3->cps_lo = 1; |
| 870 | egprs3->rsb = 0; |
| 871 | egprs3->spb = 2; |
| 872 | egprs3->pi = 0; |
| 873 | |
| 874 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 875 | |
| 876 | struct gprs_rlc_data *block = ul_tbf->m_rlc.block(1); |
| 877 | |
| 878 | /* check the status of the block */ |
| 879 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 880 | EGPRS_RESEG_FIRST_SEG_RXD); |
| 881 | |
| 882 | egprs3->si = 1; |
| 883 | egprs3->r = 1; |
| 884 | egprs3->cv = 7; |
| 885 | egprs3->tfi_hi = tfi & 0x03; |
| 886 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 887 | egprs3->bsn1_hi = 1; |
| 888 | egprs3->bsn1_lo = 0; |
| 889 | egprs3->cps_hi = 1; |
| 890 | data_msg[3] = 0xff; |
| 891 | egprs3->pi = 0; |
| 892 | egprs3->cps_lo = 1; |
| 893 | egprs3->rsb = 0; |
| 894 | egprs3->spb = 3; |
| 895 | |
| 896 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 897 | |
| 898 | /* check the status of the block */ |
| 899 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 900 | EGPRS_RESEG_DEFAULT); |
| 901 | OSMO_ASSERT(block->cs_last == |
| 902 | GprsCodingScheme::MCS6); |
| 903 | /* Assembled MCS is MCS6. so the size is 74 */ |
| 904 | OSMO_ASSERT(block->len == 74); |
| 905 | |
| 906 | /* |
| 907 | * TS 44.060, B.8.1 |
| 908 | * second seg first, later first seg |
| 909 | */ |
| 910 | memset(data_msg, 0, sizeof(data_msg)); |
| 911 | |
| 912 | cs = GprsCodingScheme::MCS3; |
| 913 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 914 | egprs3->si = 1; |
| 915 | egprs3->r = 1; |
| 916 | egprs3->cv = 7; |
| 917 | egprs3->tfi_hi = tfi & 0x03; |
| 918 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 919 | egprs3->bsn1_hi = 2; |
| 920 | egprs3->bsn1_lo = 0; |
| 921 | egprs3->cps_hi = 1; |
| 922 | data_msg[3] = 0xff; |
| 923 | egprs3->pi = 0; |
| 924 | egprs3->cps_lo = 1; |
| 925 | egprs3->rsb = 0; |
| 926 | egprs3->spb = 3; |
| 927 | egprs3->pi = 0; |
| 928 | |
| 929 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 930 | |
| 931 | block = ul_tbf->m_rlc.block(2); |
| 932 | /* check the status of the block */ |
| 933 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 934 | EGPRS_RESEG_SECOND_SEG_RXD); |
| 935 | |
| 936 | egprs3->si = 1; |
| 937 | egprs3->r = 1; |
| 938 | egprs3->cv = 7; |
| 939 | egprs3->tfi_hi = tfi & 0x03; |
| 940 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 941 | egprs3->bsn1_hi = 2; |
| 942 | egprs3->bsn1_lo = 0; |
| 943 | egprs3->cps_hi = 1; |
| 944 | data_msg[3] = 0xff; |
| 945 | egprs3->pi = 0; |
| 946 | egprs3->cps_lo = 1; |
| 947 | egprs3->rsb = 0; |
| 948 | egprs3->spb = 2; |
| 949 | egprs3->pi = 0; |
| 950 | |
| 951 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 952 | |
| 953 | /* check the status of the block */ |
| 954 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 955 | EGPRS_RESEG_DEFAULT); |
| 956 | OSMO_ASSERT(block->cs_last == |
| 957 | GprsCodingScheme::MCS6); |
| 958 | /* Assembled MCS is MCS6. so the size is 74 */ |
| 959 | OSMO_ASSERT(block->len == 74); |
| 960 | |
| 961 | /* |
| 962 | * TS 44.060, B.8.1 |
| 963 | * Error scenario with spb as 1 |
| 964 | */ |
| 965 | cs = GprsCodingScheme::MCS3; |
| 966 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 967 | egprs3->si = 1; |
| 968 | egprs3->r = 1; |
| 969 | egprs3->cv = 7; |
| 970 | egprs3->tfi_hi = tfi & 0x03; |
| 971 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 972 | egprs3->bsn1_hi = 3; |
| 973 | egprs3->bsn1_lo = 0; |
| 974 | egprs3->cps_hi = 1; |
| 975 | data_msg[3] = 0xff; |
| 976 | egprs3->pi = 0; |
| 977 | egprs3->cps_lo = 1; |
| 978 | egprs3->rsb = 0; |
| 979 | egprs3->spb = 1; |
| 980 | egprs3->pi = 0; |
| 981 | |
| 982 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 983 | |
| 984 | block = ul_tbf->m_rlc.block(3); |
| 985 | /* check the status of the block */ |
| 986 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 987 | EGPRS_RESEG_DEFAULT); |
| 988 | /* |
| 989 | * TS 44.060, B.8.1 |
| 990 | * comparison of rlc_data for multiple scenarios |
| 991 | * Receive First, the second(BSN 3) |
| 992 | * Receive First, First then Second(BSN 4) |
| 993 | * Receive Second then First(BSN 5) |
| 994 | * after above 3 scenarios are triggered, |
| 995 | * rlc_data of all 3 BSN are compared |
| 996 | */ |
| 997 | |
| 998 | /* Initialize the data_msg */ |
| 999 | for (i = 0; i < 42; i++) |
| 1000 | data_msg[i] = i; |
| 1001 | |
| 1002 | cs = GprsCodingScheme::MCS3; |
| 1003 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1004 | egprs3->si = 1; |
| 1005 | egprs3->r = 1; |
| 1006 | egprs3->cv = 7; |
| 1007 | egprs3->tfi_hi = tfi & 0x03; |
| 1008 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1009 | egprs3->bsn1_hi = 3; |
| 1010 | egprs3->bsn1_lo = 0; |
| 1011 | egprs3->cps_hi = 1; |
| 1012 | data_msg[3] = 0xff; |
| 1013 | egprs3->pi = 0; |
| 1014 | egprs3->cps_lo = 1; |
| 1015 | egprs3->rsb = 0; |
| 1016 | egprs3->spb = 2; |
| 1017 | egprs3->pi = 0; |
| 1018 | |
| 1019 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1020 | |
| 1021 | block = ul_tbf->m_rlc.block(3); |
| 1022 | /* check the status of the block */ |
| 1023 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1024 | EGPRS_RESEG_FIRST_SEG_RXD); |
| 1025 | |
| 1026 | cs = GprsCodingScheme::MCS3; |
| 1027 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1028 | egprs3->si = 1; |
| 1029 | egprs3->r = 1; |
| 1030 | egprs3->cv = 7; |
| 1031 | egprs3->tfi_hi = tfi & 0x03; |
| 1032 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1033 | egprs3->bsn1_hi = 3; |
| 1034 | egprs3->bsn1_lo = 0; |
| 1035 | egprs3->cps_hi = 1; |
| 1036 | data_msg[3] = 0xff; |
| 1037 | egprs3->pi = 0; |
| 1038 | egprs3->cps_lo = 1; |
| 1039 | egprs3->rsb = 0; |
| 1040 | egprs3->spb = 3; |
| 1041 | egprs3->pi = 0; |
| 1042 | |
| 1043 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1044 | |
| 1045 | block = ul_tbf->m_rlc.block(3); |
| 1046 | /* check the status of the block */ |
| 1047 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1048 | EGPRS_RESEG_DEFAULT); |
| 1049 | /* Assembled MCS is MCS6. so the size is 74 */ |
| 1050 | OSMO_ASSERT(block->len == 74); |
| 1051 | OSMO_ASSERT(block->cs_last == |
| 1052 | GprsCodingScheme::MCS6); |
| 1053 | |
| 1054 | cs = GprsCodingScheme::MCS3; |
| 1055 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1056 | egprs3->si = 1; |
| 1057 | egprs3->r = 1; |
| 1058 | egprs3->cv = 7; |
| 1059 | egprs3->tfi_hi = tfi & 0x03; |
| 1060 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1061 | egprs3->bsn1_hi = 4; |
| 1062 | egprs3->bsn1_lo = 0; |
| 1063 | egprs3->cps_hi = 1; |
| 1064 | data_msg[3] = 0xff; |
| 1065 | egprs3->pi = 0; |
| 1066 | egprs3->cps_lo = 1; |
| 1067 | egprs3->rsb = 0; |
| 1068 | egprs3->spb = 2; |
| 1069 | egprs3->pi = 0; |
| 1070 | |
| 1071 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1072 | |
| 1073 | block = ul_tbf->m_rlc.block(4); |
| 1074 | /* check the status of the block */ |
| 1075 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1076 | EGPRS_RESEG_FIRST_SEG_RXD); |
| 1077 | |
| 1078 | cs = GprsCodingScheme::MCS3; |
| 1079 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1080 | egprs3->si = 1; |
| 1081 | egprs3->r = 1; |
| 1082 | egprs3->cv = 7; |
| 1083 | egprs3->tfi_hi = tfi & 0x03; |
| 1084 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1085 | egprs3->bsn1_hi = 4; |
| 1086 | egprs3->bsn1_lo = 0; |
| 1087 | egprs3->cps_hi = 1; |
| 1088 | data_msg[3] = 0xff; |
| 1089 | egprs3->pi = 0; |
| 1090 | egprs3->cps_lo = 1; |
| 1091 | egprs3->rsb = 0; |
| 1092 | egprs3->spb = 2; |
| 1093 | egprs3->pi = 0; |
| 1094 | |
| 1095 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1096 | |
| 1097 | block = ul_tbf->m_rlc.block(4); |
| 1098 | /* check the status of the block */ |
| 1099 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1100 | EGPRS_RESEG_FIRST_SEG_RXD); |
| 1101 | |
| 1102 | cs = GprsCodingScheme::MCS3; |
| 1103 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1104 | egprs3->si = 1; |
| 1105 | egprs3->r = 1; |
| 1106 | egprs3->cv = 7; |
| 1107 | egprs3->tfi_hi = tfi & 0x03; |
| 1108 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1109 | egprs3->bsn1_hi = 4; |
| 1110 | egprs3->bsn1_lo = 0; |
| 1111 | egprs3->cps_hi = 1; |
| 1112 | data_msg[3] = 0xff; |
| 1113 | egprs3->pi = 0; |
| 1114 | egprs3->cps_lo = 1; |
| 1115 | egprs3->rsb = 0; |
| 1116 | egprs3->spb = 3; |
| 1117 | egprs3->pi = 0; |
| 1118 | |
| 1119 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1120 | |
| 1121 | block = ul_tbf->m_rlc.block(4); |
| 1122 | /* check the status of the block */ |
| 1123 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1124 | EGPRS_RESEG_DEFAULT); |
| 1125 | OSMO_ASSERT(block->cs_last == |
| 1126 | GprsCodingScheme::MCS6); |
| 1127 | /* Assembled MCS is MCS6. so the size is 74 */ |
| 1128 | OSMO_ASSERT(block->len == 74); |
| 1129 | |
| 1130 | cs = GprsCodingScheme::MCS3; |
| 1131 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1132 | egprs3->si = 1; |
| 1133 | egprs3->r = 1; |
| 1134 | egprs3->cv = 7; |
| 1135 | egprs3->tfi_hi = tfi & 0x03; |
| 1136 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1137 | egprs3->bsn1_hi = 5; |
| 1138 | egprs3->bsn1_lo = 0; |
| 1139 | egprs3->cps_hi = 1; |
| 1140 | data_msg[3] = 0xff; |
| 1141 | egprs3->pi = 0; |
| 1142 | egprs3->cps_lo = 1; |
| 1143 | egprs3->rsb = 0; |
| 1144 | egprs3->spb = 3; |
| 1145 | egprs3->pi = 0; |
| 1146 | |
| 1147 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1148 | |
| 1149 | block = ul_tbf->m_rlc.block(5); |
| 1150 | /* check the status of the block */ |
| 1151 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1152 | EGPRS_RESEG_SECOND_SEG_RXD); |
| 1153 | |
| 1154 | cs = GprsCodingScheme::MCS3; |
| 1155 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1156 | egprs3->si = 1; |
| 1157 | egprs3->r = 1; |
| 1158 | egprs3->cv = 7; |
| 1159 | egprs3->tfi_hi = tfi & 0x03; |
| 1160 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1161 | egprs3->bsn1_hi = 5; |
| 1162 | egprs3->bsn1_lo = 0; |
| 1163 | egprs3->cps_hi = 1; |
| 1164 | data_msg[3] = 0xff; |
| 1165 | egprs3->pi = 0; |
| 1166 | egprs3->cps_lo = 1; |
| 1167 | egprs3->rsb = 0; |
| 1168 | egprs3->spb = 2; |
| 1169 | egprs3->pi = 0; |
| 1170 | |
| 1171 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1172 | |
| 1173 | block = ul_tbf->m_rlc.block(5); |
| 1174 | |
| 1175 | /* check the status of the block */ |
| 1176 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1177 | EGPRS_RESEG_DEFAULT); |
| 1178 | OSMO_ASSERT(block->cs_last == |
| 1179 | GprsCodingScheme::MCS6); |
| 1180 | /* Assembled MCS is MCS6. so the size is 74 */ |
| 1181 | OSMO_ASSERT(block->len == 74); |
| 1182 | |
| 1183 | OSMO_ASSERT(ul_tbf->m_rlc.block(5)->len == |
| 1184 | ul_tbf->m_rlc.block(4)->len); |
| 1185 | OSMO_ASSERT(ul_tbf->m_rlc.block(5)->len == |
| 1186 | ul_tbf->m_rlc.block(3)->len); |
| 1187 | |
| 1188 | /* Compare the spb status of each BSNs(3,4,5). should be same */ |
| 1189 | OSMO_ASSERT( |
| 1190 | ul_tbf->m_rlc.block(5)->spb_status.block_status_ul == |
| 1191 | ul_tbf->m_rlc.block(4)->spb_status.block_status_ul); |
| 1192 | OSMO_ASSERT( |
| 1193 | ul_tbf->m_rlc.block(5)->spb_status.block_status_ul == |
| 1194 | ul_tbf->m_rlc.block(3)->spb_status.block_status_ul); |
| 1195 | |
| 1196 | /* Compare the Assembled MCS of each BSNs(3,4,5). should be same */ |
| 1197 | OSMO_ASSERT(ul_tbf->m_rlc.block(5)->cs_last == |
| 1198 | ul_tbf->m_rlc.block(4)->cs_last); |
| 1199 | OSMO_ASSERT(ul_tbf->m_rlc.block(5)->cs_last == |
| 1200 | ul_tbf->m_rlc.block(3)->cs_last); |
| 1201 | |
| 1202 | /* Compare the data of each BSNs(3,4,5). should be same */ |
| 1203 | OSMO_ASSERT( |
| 1204 | !memcmp(ul_tbf->m_rlc.block(5)->block, |
| 1205 | ul_tbf->m_rlc.block(4)->block, ul_tbf->m_rlc.block(5)->len |
| 1206 | )); |
| 1207 | OSMO_ASSERT( |
| 1208 | !memcmp(ul_tbf->m_rlc.block(5)->block, |
| 1209 | ul_tbf->m_rlc.block(3)->block, ul_tbf->m_rlc.block(5)->len |
| 1210 | )); |
| 1211 | |
| 1212 | return ul_tbf; |
| 1213 | } |
| 1214 | |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1215 | static gprs_rlcmac_ul_tbf *establish_ul_tbf(BTS *the_bts, |
| 1216 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 1217 | uint8_t ms_class, uint8_t egprs_ms_class) |
| 1218 | { |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1219 | uint32_t rach_fn = *fn - 51; |
| 1220 | uint32_t sba_fn = *fn + 52; |
| 1221 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1222 | int tfi = 0; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1223 | gprs_rlcmac_ul_tbf *ul_tbf; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1224 | gprs_rlcmac_bts *bts; |
| 1225 | RlcMacUplink_t ulreq = {0}; |
| 1226 | struct pcu_l1_meas meas; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1227 | GprsCodingScheme cs; |
| 1228 | |
| 1229 | meas.set_rssi(31); |
| 1230 | bts = the_bts->bts_data(); |
| 1231 | |
| 1232 | /* needed to set last_rts_fn in the PDCH object */ |
| 1233 | request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| 1234 | |
| 1235 | /* |
| 1236 | * simulate RACH, this sends an Immediate |
| 1237 | * Assignment Uplink on the AGCH |
| 1238 | */ |
| 1239 | the_bts->rcv_rach(0x73, rach_fn, qta, 0, GSM_L1_BURST_TYPE_ACCESS_0); |
| 1240 | |
| 1241 | /* get next free TFI */ |
| 1242 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| 1243 | |
| 1244 | /* fake a resource request */ |
| 1245 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 1246 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 1247 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 1248 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
| 1249 | ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability = 1; |
| 1250 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1251 | Count_MS_RA_capability_value = 1; |
| 1252 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1253 | MS_RA_capability_value[0].u.Content. |
| 1254 | Exist_Multislot_capability = 1; |
| 1255 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1256 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1257 | Exist_GPRS_multislot_class = 1; |
| 1258 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1259 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1260 | GPRS_multislot_class = ms_class; |
| 1261 | if (egprs_ms_class) { |
| 1262 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1263 | MS_RA_capability_value[0].u.Content. |
| 1264 | Multislot_capability.Exist_EGPRS_multislot_class = 1; |
| 1265 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1266 | MS_RA_capability_value[0].u.Content. |
| 1267 | Multislot_capability.EGPRS_multislot_class = ms_class; |
| 1268 | } |
| 1269 | send_ul_mac_block(the_bts, trx_no, ts_no, &ulreq, sba_fn); |
| 1270 | |
| 1271 | /* check the TBF */ |
| 1272 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
| 1273 | /* send packet uplink assignment */ |
| 1274 | *fn = sba_fn; |
| 1275 | request_dl_rlc_block(ul_tbf, fn); |
| 1276 | |
| 1277 | /* send real acknowledgement */ |
| 1278 | send_control_ack(ul_tbf); |
| 1279 | |
| 1280 | check_tbf(ul_tbf); |
| 1281 | |
| 1282 | return ul_tbf; |
| 1283 | } |
| 1284 | |
| 1285 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_puan_URBB_no_length(BTS *the_bts, |
| 1286 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 1287 | uint8_t ms_class, uint8_t egprs_ms_class, gprs_rlcmac_ul_tbf *ul_tbf) |
| 1288 | { |
| 1289 | OSMO_ASSERT(ul_tbf); |
| 1290 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 1291 | GprsMs *ms; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1292 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1293 | int tfi = 0; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1294 | struct gprs_rlcmac_pdch *pdch; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1295 | struct pcu_l1_meas meas; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1296 | GprsCodingScheme cs; |
| 1297 | |
| 1298 | |
| 1299 | /* send fake data with cv=0*/ |
| 1300 | struct gprs_rlc_ul_header_egprs_3 *hdr3 = NULL; |
| 1301 | uint8_t data[49] = {0}; |
| 1302 | |
| 1303 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1304 | |
| 1305 | /*header_construction */ |
| 1306 | memset(data, 0x2b, sizeof(data)); |
| 1307 | /* Message with CRBB */ |
| 1308 | for (int i = 0 ; i < 80; i++) { |
| 1309 | hdr3->r = 0; |
| 1310 | hdr3->si = 0; |
| 1311 | hdr3->cv = 10; |
| 1312 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1313 | hdr3->tfi_lo = tfi & 0x7; |
| 1314 | hdr3->bsn1_hi = ((i * 2)&0x1f); |
| 1315 | hdr3->bsn1_lo = ((i * 2)/32); |
| 1316 | hdr3->cps_hi = 0; |
| 1317 | hdr3->cps_lo = 0; |
| 1318 | hdr3->spb = 0; |
| 1319 | hdr3->rsb = 0; |
| 1320 | hdr3->pi = 0; |
| 1321 | hdr3->spare = 0; |
| 1322 | hdr3->dummy = 1; |
| 1323 | data[4] = 0x0; |
| 1324 | data[5] = 0x0; |
| 1325 | data[6] = 0x2b; |
| 1326 | data[7] = 0x2b; |
| 1327 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1328 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1329 | } |
| 1330 | ul_tbf->create_ul_ack(*fn, ts_no); |
| 1331 | memset(data, 0x2b, sizeof(data)); |
| 1332 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1333 | hdr3->r = 0; |
| 1334 | hdr3->si = 0; |
| 1335 | hdr3->cv = 0; |
| 1336 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1337 | hdr3->tfi_lo = tfi & 0x7; |
| 1338 | hdr3->bsn1_hi = 0; |
| 1339 | hdr3->bsn1_lo = 2; |
| 1340 | hdr3->cps_hi = 0; |
| 1341 | hdr3->cps_lo = 0; |
| 1342 | hdr3->spb = 0; |
| 1343 | hdr3->rsb = 0; |
| 1344 | hdr3->pi = 0; |
| 1345 | hdr3->spare = 0; |
| 1346 | hdr3->dummy = 1; |
| 1347 | data[4] = 0x0; |
| 1348 | data[5] = 0x2b; |
| 1349 | data[6] = 0x2b; |
| 1350 | data[7] = 0x2b; |
| 1351 | |
| 1352 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1353 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1354 | |
| 1355 | request_dl_rlc_block(ul_tbf, fn); |
| 1356 | |
| 1357 | check_tbf(ul_tbf); |
Max | 088c7df | 2018-01-23 20:16:23 +0100 | [diff] [blame] | 1358 | OSMO_ASSERT(ul_tbf->ul_ack_state_is(GPRS_RLCMAC_UL_ACK_NONE)); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1359 | |
| 1360 | ms = the_bts->ms_by_tlli(tlli); |
| 1361 | OSMO_ASSERT(ms != NULL); |
| 1362 | OSMO_ASSERT(ms->ta() == qta/4); |
| 1363 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 1364 | |
| 1365 | return ul_tbf; |
| 1366 | } |
| 1367 | |
| 1368 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_puan_URBB_with_length(BTS *the_bts, |
| 1369 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 1370 | uint8_t ms_class, uint8_t egprs_ms_class, gprs_rlcmac_ul_tbf *ul_tbf) |
| 1371 | { |
| 1372 | OSMO_ASSERT(ul_tbf); |
| 1373 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 1374 | GprsMs *ms; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1375 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1376 | int tfi = 0; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1377 | struct gprs_rlcmac_pdch *pdch; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1378 | struct pcu_l1_meas meas; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1379 | GprsCodingScheme cs; |
| 1380 | |
| 1381 | check_tbf(ul_tbf); |
| 1382 | /* send fake data with cv=0*/ |
| 1383 | struct gprs_rlc_ul_header_egprs_3 *hdr3 = NULL; |
| 1384 | uint8_t data[49] = {0}; |
| 1385 | |
| 1386 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1387 | |
| 1388 | /*header_construction */ |
| 1389 | memset(data, 0x2b, sizeof(data)); |
| 1390 | |
| 1391 | /* Message with URBB & URBB length */ |
| 1392 | for (int i = 0 ; i < 20; i++) { |
| 1393 | hdr3->r = 0; |
| 1394 | hdr3->si = 0; |
| 1395 | hdr3->cv = 10; |
| 1396 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1397 | hdr3->tfi_lo = tfi & 0x7; |
| 1398 | hdr3->bsn1_hi = ((i * 2)&0x1f); |
| 1399 | hdr3->bsn1_lo = ((i * 2)/32); |
| 1400 | hdr3->cps_hi = 0; |
| 1401 | hdr3->cps_lo = 0; |
| 1402 | hdr3->spb = 0; |
| 1403 | hdr3->rsb = 0; |
| 1404 | hdr3->pi = 0; |
| 1405 | hdr3->spare = 0; |
| 1406 | hdr3->dummy = 1; |
| 1407 | data[4] = 0x0; |
| 1408 | data[5] = 0x0; |
| 1409 | data[6] = 0x2b; |
| 1410 | data[7] = 0x2b; |
| 1411 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1412 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1413 | } |
| 1414 | ul_tbf->create_ul_ack(*fn, ts_no); |
| 1415 | memset(data, 0x2b, sizeof(data)); |
| 1416 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1417 | hdr3->r = 0; |
| 1418 | hdr3->si = 0; |
| 1419 | hdr3->cv = 0; |
| 1420 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1421 | hdr3->tfi_lo = tfi & 0x7; |
| 1422 | hdr3->bsn1_hi = 0; |
| 1423 | hdr3->bsn1_lo = 2; |
| 1424 | hdr3->cps_hi = 0; |
| 1425 | hdr3->cps_lo = 0; |
| 1426 | hdr3->spb = 0; |
| 1427 | hdr3->rsb = 0; |
| 1428 | hdr3->pi = 0; |
| 1429 | hdr3->spare = 0; |
| 1430 | hdr3->dummy = 1; |
| 1431 | data[4] = 0x0; |
| 1432 | data[5] = 0x2b; |
| 1433 | data[6] = 0x2b; |
| 1434 | data[7] = 0x2b; |
| 1435 | |
| 1436 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1437 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1438 | |
| 1439 | request_dl_rlc_block(ul_tbf, fn); |
| 1440 | |
| 1441 | check_tbf(ul_tbf); |
Max | 088c7df | 2018-01-23 20:16:23 +0100 | [diff] [blame] | 1442 | OSMO_ASSERT(ul_tbf->ul_ack_state_is(GPRS_RLCMAC_UL_ACK_NONE)); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1443 | |
| 1444 | ms = the_bts->ms_by_tlli(tlli); |
| 1445 | OSMO_ASSERT(ms != NULL); |
| 1446 | OSMO_ASSERT(ms->ta() == qta/4); |
| 1447 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 1448 | |
| 1449 | return ul_tbf; |
| 1450 | } |
| 1451 | |
| 1452 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_puan_CRBB(BTS *the_bts, |
| 1453 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 1454 | uint8_t ms_class, uint8_t egprs_ms_class) |
| 1455 | { |
| 1456 | GprsMs *ms; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1457 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1458 | int tfi = 0; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1459 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1460 | struct gprs_rlcmac_pdch *pdch; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1461 | struct pcu_l1_meas meas; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1462 | GprsCodingScheme cs; |
| 1463 | |
| 1464 | |
| 1465 | /* check the TBF */ |
| 1466 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
| 1467 | OSMO_ASSERT(ul_tbf); |
| 1468 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 1469 | |
| 1470 | /* send fake data with cv=0*/ |
| 1471 | struct gprs_rlc_ul_header_egprs_3 *hdr3 = NULL; |
| 1472 | uint8_t data[49] = {0}; |
| 1473 | |
| 1474 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1475 | |
| 1476 | /*header_construction */ |
| 1477 | memset(data, 0x2b, sizeof(data)); |
| 1478 | |
| 1479 | /* Message with CRBB */ |
| 1480 | for (int i = 80 ; i < 160; i++) { |
| 1481 | hdr3->r = 0; |
| 1482 | hdr3->si = 0; |
| 1483 | hdr3->cv = 10; |
| 1484 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1485 | hdr3->tfi_lo = tfi & 0x7; |
| 1486 | hdr3->bsn1_hi = ((i)&0x1f); |
| 1487 | hdr3->bsn1_lo = ((i)/32); |
| 1488 | hdr3->cps_hi = 0; |
| 1489 | hdr3->cps_lo = 0; |
| 1490 | hdr3->spb = 0; |
| 1491 | hdr3->rsb = 0; |
| 1492 | hdr3->pi = 0; |
| 1493 | hdr3->spare = 0; |
| 1494 | hdr3->dummy = 1; |
| 1495 | data[4] = 0x0; |
| 1496 | data[5] = 0x0; |
| 1497 | data[6] = 0x2b; |
| 1498 | data[7] = 0x2b; |
| 1499 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1500 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1501 | } |
| 1502 | ul_tbf->create_ul_ack(*fn, ts_no); |
| 1503 | memset(data, 0x2b, sizeof(data)); |
| 1504 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1505 | hdr3->r = 0; |
| 1506 | hdr3->si = 0; |
| 1507 | hdr3->cv = 0; |
| 1508 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1509 | hdr3->tfi_lo = tfi & 0x7; |
| 1510 | hdr3->bsn1_hi = 0; |
| 1511 | hdr3->bsn1_lo = 2; |
| 1512 | hdr3->cps_hi = 0; |
| 1513 | hdr3->cps_lo = 0; |
| 1514 | hdr3->spb = 0; |
| 1515 | hdr3->rsb = 0; |
| 1516 | hdr3->pi = 0; |
| 1517 | hdr3->spare = 0; |
| 1518 | hdr3->dummy = 1; |
| 1519 | data[4] = 0x0; |
| 1520 | data[5] = 0x2b; |
| 1521 | data[6] = 0x2b; |
| 1522 | data[7] = 0x2b; |
| 1523 | |
| 1524 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1525 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1526 | |
| 1527 | request_dl_rlc_block(ul_tbf, fn); |
| 1528 | |
| 1529 | check_tbf(ul_tbf); |
Max | 088c7df | 2018-01-23 20:16:23 +0100 | [diff] [blame] | 1530 | OSMO_ASSERT(ul_tbf->ul_ack_state_is(GPRS_RLCMAC_UL_ACK_NONE)); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1531 | |
| 1532 | ms = the_bts->ms_by_tlli(tlli); |
| 1533 | OSMO_ASSERT(ms != NULL); |
| 1534 | OSMO_ASSERT(ms->ta() == qta/4); |
| 1535 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 1536 | |
| 1537 | return ul_tbf; |
| 1538 | } |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1539 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase(BTS *the_bts, |
| 1540 | 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] | 1541 | uint8_t ms_class, uint8_t egprs_ms_class) |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1542 | { |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1543 | GprsMs *ms; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1544 | uint32_t rach_fn = *fn - 51; |
| 1545 | uint32_t sba_fn = *fn + 52; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1546 | uint8_t trx_no = 0; |
| 1547 | int tfi = 0; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1548 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1549 | struct gprs_rlcmac_pdch *pdch; |
| 1550 | gprs_rlcmac_bts *bts; |
| 1551 | RlcMacUplink_t ulreq = {0}; |
Jacob Erlbeck | 20f6fd1 | 2015-06-08 11:05:45 +0200 | [diff] [blame] | 1552 | struct pcu_l1_meas meas; |
| 1553 | meas.set_rssi(31); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1554 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1555 | bts = the_bts->bts_data(); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1556 | |
| 1557 | /* needed to set last_rts_fn in the PDCH object */ |
Max | 878bd1f | 2016-07-20 13:05:05 +0200 | [diff] [blame] | 1558 | request_dl_rlc_block(bts, trx_no, ts_no, fn); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1559 | |
bhargava | 959d1de | 2016-08-17 15:17:21 +0530 | [diff] [blame] | 1560 | /* simulate RACH, sends an Immediate Assignment Uplink on the AGCH */ |
| 1561 | 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] | 1562 | |
| 1563 | /* get next free TFI */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1564 | 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] | 1565 | |
| 1566 | /* fake a resource request */ |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1567 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 1568 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 1569 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 1570 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1571 | ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability = 1; |
| 1572 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1573 | Count_MS_RA_capability_value = 1; |
| 1574 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1575 | MS_RA_capability_value[0].u.Content.Exist_Multislot_capability = 1; |
| 1576 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1577 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1578 | Exist_GPRS_multislot_class = 1; |
| 1579 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1580 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1581 | GPRS_multislot_class = ms_class; |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1582 | if (egprs_ms_class) { |
| 1583 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1584 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1585 | Exist_EGPRS_multislot_class = 1; |
| 1586 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1587 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1588 | EGPRS_multislot_class = ms_class; |
| 1589 | } |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1590 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 1591 | 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] | 1592 | |
| 1593 | /* check the TBF */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1594 | 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] | 1595 | OSMO_ASSERT(ul_tbf != NULL); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 1596 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1597 | |
| 1598 | /* send packet uplink assignment */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1599 | *fn = sba_fn; |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 1600 | request_dl_rlc_block(ul_tbf, fn); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1601 | |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 1602 | /* send real acknowledgement */ |
| 1603 | send_control_ack(ul_tbf); |
| 1604 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1605 | check_tbf(ul_tbf); |
| 1606 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1607 | /* send fake data */ |
| 1608 | uint8_t data_msg[23] = { |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1609 | 0x00 | 0xf << 2, /* GPRS_RLCMAC_DATA_BLOCK << 6, CV = 15 */ |
| 1610 | uint8_t(0 | (tfi << 1)), |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1611 | uint8_t(1), /* BSN:7, E:1 */ |
| 1612 | }; |
| 1613 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 1614 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1615 | pdch->rcv_block(&data_msg[0], sizeof(data_msg), *fn, &meas); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1616 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1617 | ms = the_bts->ms_by_tlli(tlli); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1618 | OSMO_ASSERT(ms != NULL); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 1619 | OSMO_ASSERT(ms->ta() == qta/4); |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1620 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 1621 | |
| 1622 | return ul_tbf; |
| 1623 | } |
| 1624 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1625 | static void send_dl_data(BTS *the_bts, uint32_t tlli, const char *imsi, |
| 1626 | const uint8_t *data, unsigned data_size) |
| 1627 | { |
| 1628 | GprsMs *ms, *ms2; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1629 | |
| 1630 | ms = the_bts->ms_store().get_ms(tlli, 0, imsi); |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1631 | |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 1632 | 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] | 1633 | 1000, data, data_size); |
| 1634 | |
| 1635 | ms = the_bts->ms_by_imsi(imsi); |
| 1636 | OSMO_ASSERT(ms != NULL); |
| 1637 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1638 | |
| 1639 | if (imsi[0] && strcmp(imsi, "000") != 0) { |
| 1640 | ms2 = the_bts->ms_by_tlli(tlli); |
| 1641 | OSMO_ASSERT(ms == ms2); |
| 1642 | } |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1643 | } |
| 1644 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1645 | static void transmit_dl_data(BTS *the_bts, uint32_t tlli, uint32_t *fn, |
| 1646 | uint8_t slots = 0xff) |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1647 | { |
| 1648 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 1649 | GprsMs *ms; |
| 1650 | unsigned ts_no; |
| 1651 | |
| 1652 | ms = the_bts->ms_by_tlli(tlli); |
| 1653 | OSMO_ASSERT(ms); |
| 1654 | dl_tbf = ms->dl_tbf(); |
| 1655 | OSMO_ASSERT(dl_tbf); |
| 1656 | |
| 1657 | while (dl_tbf->have_data()) { |
| 1658 | uint8_t bn = fn2bn(*fn); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1659 | for (ts_no = 0 ; ts_no < 8; ts_no += 1) { |
| 1660 | if (!(slots & (1 << ts_no))) |
| 1661 | continue; |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1662 | gprs_rlcmac_rcv_rts_block(the_bts->bts_data(), |
Max | 878bd1f | 2016-07-20 13:05:05 +0200 | [diff] [blame] | 1663 | dl_tbf->trx->trx_no, ts_no, |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1664 | *fn, bn); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1665 | } |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1666 | *fn = fn_add_blocks(*fn, 1); |
| 1667 | } |
| 1668 | } |
| 1669 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 1670 | static inline void print_ta_tlli(const gprs_rlcmac_ul_tbf *ul_tbf, bool print_ms) |
| 1671 | { |
| 1672 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 1673 | if (print_ms) |
| 1674 | fprintf(stderr, "Got MS: TLLI = 0x%08x, TA = %d\n", ul_tbf->ms()->tlli(), ul_tbf->ms()->ta()); |
| 1675 | } |
| 1676 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1677 | static void test_tbf_single_phase() |
| 1678 | { |
| 1679 | BTS the_bts; |
| 1680 | int ts_no = 7; |
Philipp | d935d88 | 2016-11-07 13:07:36 +0100 | [diff] [blame] | 1681 | uint32_t fn = DUMMY_FN; /* 17,25,9 */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1682 | uint32_t tlli = 0xf1223344; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1683 | const char *imsi = "0011223344"; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1684 | uint16_t qta = 31; |
| 1685 | gprs_rlcmac_ul_tbf *ul_tbf; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1686 | |
| 1687 | printf("=== start %s ===\n", __func__); |
| 1688 | |
| 1689 | setup_bts(&the_bts, ts_no); |
| 1690 | |
| 1691 | ul_tbf = establish_ul_tbf_single_phase(&the_bts, ts_no, tlli, &fn, qta); |
| 1692 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 1693 | print_ta_tlli(ul_tbf, true); |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1694 | send_dl_data(&the_bts, tlli, imsi, (const uint8_t *)"TEST", 4); |
| 1695 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1696 | printf("=== end %s ===\n", __func__); |
| 1697 | } |
| 1698 | |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1699 | static void test_tbf_egprs_two_phase_puan(void) |
| 1700 | { |
| 1701 | BTS the_bts; |
| 1702 | int ts_no = 7; |
| 1703 | uint32_t fn = 2654218; |
| 1704 | uint16_t qta = 31; |
| 1705 | uint32_t tlli = 0xf1223344; |
| 1706 | const char *imsi = "0011223344"; |
| 1707 | uint8_t ms_class = 1; |
| 1708 | gprs_rlcmac_bts *bts; |
| 1709 | uint8_t egprs_ms_class = 1; |
| 1710 | gprs_rlcmac_ul_tbf *ul_tbf; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1711 | uint8_t test_data[256]; |
| 1712 | |
| 1713 | printf("=== start %s ===\n", __func__); |
| 1714 | |
| 1715 | memset(test_data, 1, sizeof(test_data)); |
| 1716 | |
| 1717 | setup_bts(&the_bts, ts_no, 4); |
| 1718 | the_bts.bts_data()->initial_mcs_dl = 9; |
| 1719 | the_bts.bts_data()->egprs_enabled = 1; |
| 1720 | bts = the_bts.bts_data(); |
| 1721 | bts->ws_base = 128; |
| 1722 | bts->ws_pdch = 64; |
| 1723 | |
| 1724 | ul_tbf = establish_ul_tbf(&the_bts, ts_no, tlli, &fn, qta, ms_class, egprs_ms_class); |
| 1725 | /* Function to generate URBB with no length */ |
| 1726 | ul_tbf = establish_ul_tbf_two_phase_puan_URBB_no_length(&the_bts, ts_no, tlli, &fn, |
| 1727 | qta, ms_class, egprs_ms_class, ul_tbf); |
| 1728 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 1729 | print_ta_tlli(ul_tbf, true); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1730 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 1731 | |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 1732 | ul_tbf->window()->reset_state(); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1733 | /* Function to generate URBB with length */ |
| 1734 | ul_tbf = establish_ul_tbf_two_phase_puan_URBB_with_length(&the_bts, ts_no, tlli, &fn, |
| 1735 | qta, ms_class, egprs_ms_class, ul_tbf); |
| 1736 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 1737 | print_ta_tlli(ul_tbf, true); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1738 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 1739 | |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 1740 | ul_tbf->window()->reset_state(); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1741 | /* Function to generate CRBB */ |
| 1742 | bts->ws_base = 128; |
| 1743 | bts->ws_pdch = 64; |
| 1744 | ul_tbf = establish_ul_tbf_two_phase_puan_CRBB(&the_bts, ts_no, tlli, &fn, |
| 1745 | qta, ms_class, egprs_ms_class); |
| 1746 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 1747 | print_ta_tlli(ul_tbf, true); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1748 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 1749 | |
| 1750 | printf("=== end %s ===\n", __func__); |
| 1751 | } |
aravind sirsikar | c0c3afd | 2016-11-09 16:27:00 +0530 | [diff] [blame] | 1752 | /* |
| 1753 | * Trigger rach for single block |
| 1754 | */ |
| 1755 | static void test_immediate_assign_rej_single_block() |
| 1756 | { |
| 1757 | BTS the_bts; |
| 1758 | uint32_t fn = 2654218; |
| 1759 | uint16_t qta = 31; |
| 1760 | int ts_no = 7; |
| 1761 | |
| 1762 | printf("=== start %s ===\n", __func__); |
| 1763 | |
| 1764 | setup_bts(&the_bts, ts_no, 4); |
| 1765 | |
| 1766 | the_bts.bts_data()->trx[0].pdch[ts_no].disable(); |
| 1767 | |
| 1768 | uint32_t rach_fn = fn - 51; |
| 1769 | |
| 1770 | int rc = 0; |
| 1771 | |
| 1772 | /* |
| 1773 | * simulate RACH, sends an Immediate Assignment |
| 1774 | * Uplink reject on the AGCH |
| 1775 | */ |
| 1776 | rc = the_bts.rcv_rach(0x70, rach_fn, qta, 0, |
| 1777 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1778 | |
| 1779 | OSMO_ASSERT(rc == -EINVAL); |
| 1780 | |
| 1781 | printf("=== end %s ===\n", __func__); |
| 1782 | } |
| 1783 | |
| 1784 | /* |
| 1785 | * Trigger rach till resources(USF) exhaust |
| 1786 | */ |
| 1787 | static void test_immediate_assign_rej_multi_block() |
| 1788 | { |
| 1789 | BTS the_bts; |
| 1790 | uint32_t fn = 2654218; |
| 1791 | uint16_t qta = 31; |
| 1792 | int ts_no = 7; |
| 1793 | |
| 1794 | printf("=== start %s ===\n", __func__); |
| 1795 | |
| 1796 | setup_bts(&the_bts, ts_no, 4); |
| 1797 | |
| 1798 | uint32_t rach_fn = fn - 51; |
| 1799 | |
| 1800 | int rc = 0; |
| 1801 | |
| 1802 | /* |
| 1803 | * simulate RACH, sends an Immediate Assignment Uplink |
| 1804 | * reject on the AGCH |
| 1805 | */ |
| 1806 | rc = the_bts.rcv_rach(0x78, rach_fn, qta, 0, |
| 1807 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1808 | rc = the_bts.rcv_rach(0x79, rach_fn, qta, 0, |
| 1809 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1810 | rc = the_bts.rcv_rach(0x7a, rach_fn, qta, 0, |
| 1811 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1812 | rc = the_bts.rcv_rach(0x7b, rach_fn, qta, 0, |
| 1813 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1814 | rc = the_bts.rcv_rach(0x7c, rach_fn, qta, 0, |
| 1815 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1816 | rc = the_bts.rcv_rach(0x7d, rach_fn, qta, 0, |
| 1817 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1818 | rc = the_bts.rcv_rach(0x7e, rach_fn, qta, 0, |
| 1819 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1820 | rc = the_bts.rcv_rach(0x7f, rach_fn, qta, 0, |
| 1821 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1822 | |
| 1823 | OSMO_ASSERT(rc == -EBUSY); |
| 1824 | |
| 1825 | printf("=== end %s ===\n", __func__); |
| 1826 | } |
| 1827 | |
| 1828 | static void test_immediate_assign_rej() |
| 1829 | { |
| 1830 | test_immediate_assign_rej_multi_block(); |
| 1831 | test_immediate_assign_rej_single_block(); |
| 1832 | } |
| 1833 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1834 | static void test_tbf_two_phase() |
| 1835 | { |
| 1836 | BTS the_bts; |
| 1837 | int ts_no = 7; |
| 1838 | uint32_t fn = 2654218; |
| 1839 | uint16_t qta = 31; |
| 1840 | uint32_t tlli = 0xf1223344; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1841 | const char *imsi = "0011223344"; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1842 | uint8_t ms_class = 1; |
| 1843 | gprs_rlcmac_ul_tbf *ul_tbf; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1844 | |
| 1845 | printf("=== start %s ===\n", __func__); |
| 1846 | |
| 1847 | setup_bts(&the_bts, ts_no, 4); |
| 1848 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1849 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli, &fn, qta, |
| 1850 | ms_class, 0); |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1851 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 1852 | print_ta_tlli(ul_tbf, true); |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1853 | send_dl_data(&the_bts, tlli, imsi, (const uint8_t *)"TEST", 4); |
| 1854 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1855 | printf("=== end %s ===\n", __func__); |
| 1856 | } |
| 1857 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 1858 | static inline void print_ms(const GprsMs *ms, bool old) |
| 1859 | { |
| 1860 | fprintf(stderr, "%s MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %zu\n", |
| 1861 | old ? "Old" : "New", ms->tlli(), ms->ta(), ms->imsi(), ms->llc_queue()->size()); |
| 1862 | } |
| 1863 | |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1864 | static void test_tbf_ra_update_rach() |
| 1865 | { |
| 1866 | BTS the_bts; |
| 1867 | int ts_no = 7; |
| 1868 | uint32_t fn = 2654218; |
| 1869 | uint16_t qta = 31; |
| 1870 | uint32_t tlli1 = 0xf1223344; |
| 1871 | uint32_t tlli2 = 0xf5667788; |
| 1872 | const char *imsi = "0011223344"; |
| 1873 | uint8_t ms_class = 1; |
| 1874 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1875 | GprsMs *ms, *ms1, *ms2; |
| 1876 | |
| 1877 | printf("=== start %s ===\n", __func__); |
| 1878 | |
| 1879 | setup_bts(&the_bts, ts_no, 4); |
| 1880 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1881 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, |
| 1882 | ms_class, 0); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1883 | |
| 1884 | ms1 = ul_tbf->ms(); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 1885 | print_ta_tlli(ul_tbf, false); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1886 | |
| 1887 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"RAU_ACCEPT", 10); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 1888 | print_ms(ms1, true); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1889 | |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 1890 | /* Send Packet Downlink Assignment to MS */ |
| 1891 | request_dl_rlc_block(ul_tbf, &fn); |
| 1892 | |
| 1893 | /* Ack it */ |
| 1894 | send_control_ack(ul_tbf); |
| 1895 | |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1896 | /* Make sure the RAU Accept gets sent to the MS */ |
| 1897 | OSMO_ASSERT(ms1->llc_queue()->size() == 1); |
| 1898 | transmit_dl_data(&the_bts, tlli1, &fn); |
| 1899 | OSMO_ASSERT(ms1->llc_queue()->size() == 0); |
| 1900 | |
| 1901 | /* Now establish a new TBF for the RA UPDATE COMPLETE (new TLLI) */ |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1902 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli2, &fn, qta, |
| 1903 | ms_class, 0); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1904 | |
| 1905 | ms2 = ul_tbf->ms(); |
| 1906 | |
| 1907 | /* The PCU cannot know yet, that both TBF belong to the same MS */ |
| 1908 | OSMO_ASSERT(ms1 != ms2); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 1909 | print_ms(ms1, true); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1910 | |
| 1911 | /* Send some downlink data along with the new TLLI and the IMSI so that |
| 1912 | * the PCU can see, that both MS objects belong to same MS */ |
| 1913 | send_dl_data(&the_bts, tlli2, imsi, (const uint8_t *)"DATA", 4); |
| 1914 | |
| 1915 | ms = the_bts.ms_by_imsi(imsi); |
| 1916 | OSMO_ASSERT(ms == ms2); |
| 1917 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 1918 | print_ms(ms2, false); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1919 | |
| 1920 | ms = the_bts.ms_by_tlli(tlli1); |
| 1921 | OSMO_ASSERT(ms == NULL); |
| 1922 | ms = the_bts.ms_by_tlli(tlli2); |
| 1923 | OSMO_ASSERT(ms == ms2); |
| 1924 | |
| 1925 | printf("=== end %s ===\n", __func__); |
| 1926 | } |
| 1927 | |
| 1928 | static void test_tbf_dl_flow_and_rach_two_phase() |
| 1929 | { |
| 1930 | BTS the_bts; |
| 1931 | int ts_no = 7; |
| 1932 | uint32_t fn = 2654218; |
| 1933 | uint16_t qta = 31; |
| 1934 | uint32_t tlli1 = 0xf1223344; |
| 1935 | const char *imsi = "0011223344"; |
| 1936 | uint8_t ms_class = 1; |
| 1937 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1938 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 1939 | GprsMs *ms, *ms1, *ms2; |
| 1940 | |
| 1941 | printf("=== start %s ===\n", __func__); |
| 1942 | |
| 1943 | setup_bts(&the_bts, ts_no, 1); |
| 1944 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1945 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, |
| 1946 | ms_class, 0); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1947 | |
| 1948 | ms1 = ul_tbf->ms(); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 1949 | print_ta_tlli(ul_tbf, false); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1950 | |
| 1951 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 1 *************", 20); |
| 1952 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 2 *************", 20); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 1953 | print_ms(ms1, true); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1954 | |
| 1955 | OSMO_ASSERT(ms1->llc_queue()->size() == 2); |
| 1956 | dl_tbf = ms1->dl_tbf(); |
| 1957 | OSMO_ASSERT(dl_tbf != NULL); |
| 1958 | |
| 1959 | /* Get rid of old UL TBF */ |
| 1960 | tbf_free(ul_tbf); |
| 1961 | ms = the_bts.ms_by_tlli(tlli1); |
| 1962 | OSMO_ASSERT(ms1 == ms); |
| 1963 | |
| 1964 | /* Now establish a new UL TBF, this will consume one LLC packet */ |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1965 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, |
| 1966 | ms_class, 0); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1967 | |
| 1968 | ms2 = ul_tbf->ms(); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 1969 | print_ms(ms2, false); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1970 | |
| 1971 | /* This should be the same MS object */ |
| 1972 | OSMO_ASSERT(ms2 == ms1); |
| 1973 | |
| 1974 | ms = the_bts.ms_by_tlli(tlli1); |
| 1975 | OSMO_ASSERT(ms2 == ms); |
| 1976 | |
Jacob Erlbeck | c8cbfc2 | 2015-09-01 11:38:40 +0200 | [diff] [blame] | 1977 | /* A DL TBF should still exist */ |
| 1978 | OSMO_ASSERT(ms->dl_tbf()); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1979 | |
| 1980 | /* No queued packets should be lost */ |
Jacob Erlbeck | 9659d59 | 2015-09-01 11:06:14 +0200 | [diff] [blame] | 1981 | OSMO_ASSERT(ms->llc_queue()->size() == 2); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1982 | |
| 1983 | printf("=== end %s ===\n", __func__); |
| 1984 | } |
| 1985 | |
| 1986 | |
| 1987 | static void test_tbf_dl_flow_and_rach_single_phase() |
| 1988 | { |
| 1989 | BTS the_bts; |
| 1990 | int ts_no = 7; |
| 1991 | uint32_t fn = 2654218; |
| 1992 | uint16_t qta = 31; |
| 1993 | uint32_t tlli1 = 0xf1223344; |
| 1994 | const char *imsi = "0011223344"; |
| 1995 | uint8_t ms_class = 1; |
| 1996 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1997 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 1998 | GprsMs *ms, *ms1, *ms2; |
| 1999 | |
| 2000 | printf("=== start %s ===\n", __func__); |
| 2001 | |
| 2002 | setup_bts(&the_bts, ts_no, 1); |
| 2003 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2004 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, |
| 2005 | ms_class, 0); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2006 | |
| 2007 | ms1 = ul_tbf->ms(); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 2008 | print_ta_tlli(ul_tbf, false); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2009 | |
| 2010 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 1 *************", 20); |
| 2011 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 2 *************", 20); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 2012 | print_ms(ms1, true); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2013 | |
| 2014 | OSMO_ASSERT(ms1->llc_queue()->size() == 2); |
| 2015 | dl_tbf = ms1->dl_tbf(); |
| 2016 | OSMO_ASSERT(dl_tbf != NULL); |
| 2017 | |
| 2018 | /* Get rid of old UL TBF */ |
| 2019 | tbf_free(ul_tbf); |
| 2020 | ms = the_bts.ms_by_tlli(tlli1); |
| 2021 | OSMO_ASSERT(ms1 == ms); |
| 2022 | |
| 2023 | /* Now establish a new UL TBF */ |
| 2024 | ul_tbf = establish_ul_tbf_single_phase(&the_bts, ts_no, tlli1, &fn, qta); |
| 2025 | |
| 2026 | ms2 = ul_tbf->ms(); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 2027 | print_ms(ms2, false); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2028 | |
| 2029 | /* There should be a different MS object */ |
| 2030 | OSMO_ASSERT(ms2 != ms1); |
| 2031 | |
| 2032 | ms = the_bts.ms_by_tlli(tlli1); |
| 2033 | OSMO_ASSERT(ms2 == ms); |
| 2034 | OSMO_ASSERT(ms1 != ms); |
| 2035 | |
Jacob Erlbeck | 5f93f85 | 2016-01-21 20:48:39 +0100 | [diff] [blame] | 2036 | /* DL TBF should be removed */ |
| 2037 | OSMO_ASSERT(!ms->dl_tbf()); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2038 | |
| 2039 | /* No queued packets should be lost */ |
Jacob Erlbeck | 9659d59 | 2015-09-01 11:06:14 +0200 | [diff] [blame] | 2040 | OSMO_ASSERT(ms->llc_queue()->size() == 2); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2041 | |
| 2042 | printf("=== end %s ===\n", __func__); |
| 2043 | } |
| 2044 | |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2045 | static void test_tbf_dl_reuse() |
| 2046 | { |
| 2047 | BTS the_bts; |
| 2048 | int ts_no = 7; |
| 2049 | uint32_t fn = 2654218; |
| 2050 | uint16_t qta = 31; |
| 2051 | uint32_t tlli1 = 0xf1223344; |
| 2052 | const char *imsi = "0011223344"; |
| 2053 | uint8_t ms_class = 1; |
| 2054 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 2055 | gprs_rlcmac_dl_tbf *dl_tbf1, *dl_tbf2; |
| 2056 | GprsMs *ms1, *ms2; |
| 2057 | unsigned i; |
| 2058 | RlcMacUplink_t ulreq = {0}; |
| 2059 | |
| 2060 | printf("=== start %s ===\n", __func__); |
| 2061 | |
| 2062 | setup_bts(&the_bts, ts_no, 1); |
| 2063 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2064 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, |
| 2065 | ms_class, 0); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2066 | |
| 2067 | ms1 = ul_tbf->ms(); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 2068 | print_ta_tlli(ul_tbf, false); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2069 | |
| 2070 | /* Send some LLC frames */ |
| 2071 | for (i = 0; i < 40; i++) { |
| 2072 | char buf[32]; |
| 2073 | int rc; |
| 2074 | |
| 2075 | rc = snprintf(buf, sizeof(buf), "LLC PACKET %02i", i); |
| 2076 | OSMO_ASSERT(rc > 0); |
| 2077 | |
| 2078 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)buf, rc); |
| 2079 | } |
| 2080 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 2081 | print_ms(ms1, true); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2082 | |
| 2083 | /* Send Packet Downlink Assignment to MS */ |
| 2084 | request_dl_rlc_block(ul_tbf, &fn); |
| 2085 | |
| 2086 | /* Ack it */ |
| 2087 | send_control_ack(ul_tbf); |
| 2088 | |
| 2089 | /* Transmit all data */ |
| 2090 | transmit_dl_data(&the_bts, tlli1, &fn); |
| 2091 | OSMO_ASSERT(ms1->llc_queue()->size() == 0); |
| 2092 | OSMO_ASSERT(ms1->dl_tbf()); |
| 2093 | OSMO_ASSERT(ms1->dl_tbf()->state_is(GPRS_RLCMAC_FINISHED)); |
| 2094 | |
| 2095 | dl_tbf1 = ms1->dl_tbf(); |
| 2096 | |
| 2097 | /* Send some LLC frames */ |
| 2098 | for (i = 0; i < 10; i++) { |
| 2099 | char buf[32]; |
| 2100 | int rc; |
| 2101 | |
| 2102 | rc = snprintf(buf, sizeof(buf), "LLC PACKET %02i (TBF 2)", i); |
| 2103 | OSMO_ASSERT(rc > 0); |
| 2104 | |
| 2105 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)buf, rc); |
| 2106 | } |
| 2107 | |
| 2108 | /* Fake Final DL Ack/Nack */ |
| 2109 | ulreq.u.MESSAGE_TYPE = MT_PACKET_DOWNLINK_ACK_NACK; |
| 2110 | Packet_Downlink_Ack_Nack_t *ack = &ulreq.u.Packet_Downlink_Ack_Nack; |
| 2111 | |
| 2112 | ack->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 2113 | ack->DOWNLINK_TFI = dl_tbf1->tfi(); |
| 2114 | ack->Ack_Nack_Description.FINAL_ACK_INDICATION = 1; |
| 2115 | |
Jacob Erlbeck | 8eb1714 | 2016-01-22 17:58:17 +0100 | [diff] [blame] | 2116 | 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] | 2117 | |
| 2118 | OSMO_ASSERT(dl_tbf1->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
| 2119 | |
| 2120 | request_dl_rlc_block(dl_tbf1, &fn); |
| 2121 | |
| 2122 | ms2 = the_bts.ms_by_tlli(tlli1); |
| 2123 | OSMO_ASSERT(ms2 == ms1); |
| 2124 | OSMO_ASSERT(ms2->dl_tbf()); |
Neels Hofmeyr | 4ea4526 | 2016-06-08 15:27:40 +0200 | [diff] [blame] | 2125 | OSMO_ASSERT(ms2->dl_tbf()->state_is(GPRS_RLCMAC_ASSIGN)); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2126 | |
| 2127 | dl_tbf2 = ms2->dl_tbf(); |
| 2128 | |
| 2129 | OSMO_ASSERT(dl_tbf1 != dl_tbf2); |
| 2130 | |
| 2131 | send_control_ack(dl_tbf1); |
Jacob Erlbeck | 6835cea | 2015-08-21 15:24:02 +0200 | [diff] [blame] | 2132 | OSMO_ASSERT(dl_tbf2->state_is(GPRS_RLCMAC_FLOW)); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2133 | |
| 2134 | /* Transmit all data */ |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2135 | transmit_dl_data(&the_bts, tlli1, &fn); |
| 2136 | OSMO_ASSERT(ms2->llc_queue()->size() == 0); |
| 2137 | OSMO_ASSERT(ms2->dl_tbf()); |
| 2138 | OSMO_ASSERT(ms2->dl_tbf()->state_is(GPRS_RLCMAC_FINISHED)); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2139 | |
| 2140 | printf("=== end %s ===\n", __func__); |
| 2141 | } |
| 2142 | |
Jacob Erlbeck | 9b3d7e0 | 2016-01-19 10:44:42 +0100 | [diff] [blame] | 2143 | static void test_tbf_gprs_egprs() |
| 2144 | { |
| 2145 | BTS the_bts; |
| 2146 | gprs_rlcmac_bts *bts; |
| 2147 | uint8_t ts_no = 4; |
| 2148 | uint8_t ms_class = 45; |
| 2149 | int rc = 0; |
| 2150 | uint32_t tlli = 0xc0006789; |
| 2151 | const char *imsi = "001001123456789"; |
| 2152 | unsigned delay_csec = 1000; |
| 2153 | |
| 2154 | uint8_t buf[256] = {0}; |
| 2155 | |
| 2156 | printf("=== start %s ===\n", __func__); |
| 2157 | |
| 2158 | bts = the_bts.bts_data(); |
| 2159 | setup_bts(&the_bts, ts_no); |
| 2160 | |
| 2161 | /* EGPRS-only */ |
| 2162 | bts->egprs_enabled = 1; |
| 2163 | |
| 2164 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
Neels Hofmeyr | bdc55fa | 2018-02-21 00:39:07 +0100 | [diff] [blame] | 2165 | 1234, 1234, 1234, 1, 1, false, 0, 0, 0); |
Jacob Erlbeck | 9b3d7e0 | 2016-01-19 10:44:42 +0100 | [diff] [blame] | 2166 | |
| 2167 | /* Does not support EGPRS */ |
| 2168 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, 0, |
| 2169 | delay_csec, buf, sizeof(buf)); |
| 2170 | |
| 2171 | OSMO_ASSERT(rc == -EBUSY); |
| 2172 | printf("=== end %s ===\n", __func__); |
| 2173 | |
| 2174 | gprs_bssgp_destroy(); |
| 2175 | } |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 2176 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 2177 | static inline void ws_check(gprs_rlcmac_dl_tbf *dl_tbf, const char *test, uint8_t exp_slots, uint16_t exp_ws, |
| 2178 | bool free, bool end) |
| 2179 | { |
| 2180 | if (!dl_tbf) { |
| 2181 | fprintf(stderr, "%s(): FAILED (NULL TBF)\n", test); |
| 2182 | return; |
| 2183 | } |
| 2184 | |
| 2185 | fprintf(stderr, "DL TBF slots: 0x%02x, N: %d, WS: %d", |
| 2186 | dl_tbf->dl_slots(), |
| 2187 | pcu_bitcount(dl_tbf->dl_slots()), |
| 2188 | dl_tbf->window_size()); |
| 2189 | |
| 2190 | if (pcu_bitcount(dl_tbf->dl_slots()) != exp_slots || dl_tbf->window_size() != exp_ws) |
| 2191 | fprintf(stderr, "%s(): DL TBF FAILED: dl_slots = %u (exp. %u), WS = %u (exp. %u)", |
| 2192 | test, pcu_bitcount(dl_tbf->dl_slots()), 4, dl_tbf->window_size(), 128 + 4 * 64); |
| 2193 | |
| 2194 | fprintf(stderr, "\n"); |
| 2195 | |
| 2196 | if (free) |
| 2197 | tbf_free(dl_tbf); |
| 2198 | |
| 2199 | if (end) { |
| 2200 | printf("=== end %s ===\n", test); |
| 2201 | gprs_bssgp_destroy(); |
| 2202 | } |
| 2203 | } |
| 2204 | |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 2205 | static void test_tbf_ws() |
| 2206 | { |
| 2207 | BTS the_bts; |
| 2208 | gprs_rlcmac_bts *bts; |
| 2209 | uint8_t ts_no = 4; |
| 2210 | uint8_t ms_class = 12; |
| 2211 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2212 | |
| 2213 | printf("=== start %s ===\n", __func__); |
| 2214 | |
| 2215 | bts = the_bts.bts_data(); |
| 2216 | setup_bts(&the_bts, ts_no); |
| 2217 | |
| 2218 | bts->ws_base = 128; |
| 2219 | bts->ws_pdch = 64; |
| 2220 | bts->alloc_algorithm = alloc_algorithm_b; |
| 2221 | bts->trx[0].pdch[2].enable(); |
| 2222 | bts->trx[0].pdch[3].enable(); |
| 2223 | bts->trx[0].pdch[4].enable(); |
| 2224 | bts->trx[0].pdch[5].enable(); |
| 2225 | |
| 2226 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
Neels Hofmeyr | bdc55fa | 2018-02-21 00:39:07 +0100 | [diff] [blame] | 2227 | 1234, 1234, 1234, 1, 1, false, 0, 0, 0); |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 2228 | |
| 2229 | /* Does no support EGPRS */ |
Max | 92b7a50 | 2018-01-26 11:01:35 +0100 | [diff] [blame] | 2230 | dl_tbf = tbf_alloc_dl_tbf(bts, NULL, 0, ms_class, 0, false); |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 2231 | |
| 2232 | ws_check(dl_tbf, __func__, 4, 64, true, false); |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 2233 | |
| 2234 | /* EGPRS-only */ |
| 2235 | bts->egprs_enabled = 1; |
| 2236 | |
| 2237 | /* Does support EGPRS */ |
Max | 92b7a50 | 2018-01-26 11:01:35 +0100 | [diff] [blame] | 2238 | 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] | 2239 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 2240 | ws_check(dl_tbf, __func__, 4, 128 + 4 * 64, true, true); |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 2241 | } |
| 2242 | |
Aravind Sirsikar | 3c2eaeb | 2016-08-30 15:39:04 +0530 | [diff] [blame] | 2243 | static void test_tbf_update_ws(void) |
| 2244 | { |
| 2245 | BTS the_bts; |
| 2246 | gprs_rlcmac_bts *bts; |
| 2247 | uint8_t ts_no = 4; |
| 2248 | uint8_t ms_class = 11; |
| 2249 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2250 | |
| 2251 | printf("=== start %s ===\n", __func__); |
| 2252 | |
| 2253 | bts = the_bts.bts_data(); |
| 2254 | setup_bts(&the_bts, ts_no); |
| 2255 | |
| 2256 | bts->ws_base = 128; |
| 2257 | bts->ws_pdch = 64; |
| 2258 | bts->alloc_algorithm = alloc_algorithm_b; |
| 2259 | bts->trx[0].pdch[2].enable(); |
| 2260 | bts->trx[0].pdch[3].enable(); |
| 2261 | bts->trx[0].pdch[4].enable(); |
| 2262 | bts->trx[0].pdch[5].enable(); |
| 2263 | |
| 2264 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
Neels Hofmeyr | bdc55fa | 2018-02-21 00:39:07 +0100 | [diff] [blame] | 2265 | 1234, 1234, 1234, 1, 1, false, 0, 0, 0); |
Aravind Sirsikar | 3c2eaeb | 2016-08-30 15:39:04 +0530 | [diff] [blame] | 2266 | |
| 2267 | /* EGPRS-only */ |
| 2268 | bts->egprs_enabled = 1; |
| 2269 | |
| 2270 | /* Does support EGPRS */ |
Max | 92b7a50 | 2018-01-26 11:01:35 +0100 | [diff] [blame] | 2271 | 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] | 2272 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 2273 | ws_check(dl_tbf, __func__, 1, 128 + 1 * 64, false, false); |
Aravind Sirsikar | 3c2eaeb | 2016-08-30 15:39:04 +0530 | [diff] [blame] | 2274 | |
| 2275 | dl_tbf->update(); |
| 2276 | |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 2277 | /* window size should be 384 */ |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 2278 | ws_check(dl_tbf, __func__, 4, 128 + 4 * 64, true, true); |
Aravind Sirsikar | 3c2eaeb | 2016-08-30 15:39:04 +0530 | [diff] [blame] | 2279 | } |
| 2280 | |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 2281 | static void test_tbf_puan_urbb_len(void) |
| 2282 | { |
| 2283 | BTS the_bts; |
| 2284 | int ts_no = 7; |
| 2285 | uint32_t fn = 2654218; |
| 2286 | uint16_t qta = 31; |
| 2287 | uint32_t tlli = 0xf1223344; |
| 2288 | const char *imsi = "0011223344"; |
| 2289 | uint8_t ms_class = 1; |
| 2290 | uint8_t egprs_ms_class = 1; |
| 2291 | gprs_rlcmac_ul_tbf *ul_tbf; |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 2292 | uint8_t test_data[256]; |
| 2293 | |
| 2294 | printf("=== start %s ===\n", __func__); |
| 2295 | |
| 2296 | memset(test_data, 1, sizeof(test_data)); |
| 2297 | |
| 2298 | setup_bts(&the_bts, ts_no, 4); |
| 2299 | the_bts.bts_data()->initial_mcs_dl = 9; |
| 2300 | the_bts.bts_data()->egprs_enabled = 1; |
| 2301 | |
| 2302 | ul_tbf = puan_urbb_len_issue(&the_bts, ts_no, tlli, &fn, qta, |
| 2303 | ms_class, egprs_ms_class); |
| 2304 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 2305 | print_ta_tlli(ul_tbf, true); |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 2306 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 2307 | |
| 2308 | printf("=== end %s ===\n", __func__); |
| 2309 | } |
| 2310 | |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 2311 | static gprs_rlcmac_ul_tbf *tbf_li_decoding(BTS *the_bts, |
| 2312 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 2313 | uint8_t ms_class, uint8_t egprs_ms_class) |
| 2314 | { |
| 2315 | GprsMs *ms; |
| 2316 | uint32_t rach_fn = *fn - 51; |
| 2317 | uint32_t sba_fn = *fn + 52; |
| 2318 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2319 | int tfi = 0; |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 2320 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 2321 | struct gprs_rlcmac_pdch *pdch; |
| 2322 | gprs_rlcmac_bts *bts; |
| 2323 | RlcMacUplink_t ulreq = {0}; |
| 2324 | struct pcu_l1_meas meas; |
| 2325 | struct gprs_rlc_ul_header_egprs_3 *egprs3 = NULL; |
| 2326 | GprsCodingScheme cs; |
| 2327 | Packet_Resource_Request_t *presreq = NULL; |
| 2328 | MS_Radio_Access_capability_t *pmsradiocap = NULL; |
| 2329 | Multislot_capability_t *pmultislotcap = NULL; |
| 2330 | |
| 2331 | meas.set_rssi(31); |
| 2332 | bts = the_bts->bts_data(); |
| 2333 | |
| 2334 | /* needed to set last_rts_fn in the PDCH object */ |
| 2335 | request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| 2336 | |
| 2337 | /* |
| 2338 | * simulate RACH, this sends an Immediate |
| 2339 | * Assignment Uplink on the AGCH |
| 2340 | */ |
| 2341 | the_bts->rcv_rach(0x73, rach_fn, qta, 0, GSM_L1_BURST_TYPE_ACCESS_0); |
| 2342 | |
| 2343 | /* get next free TFI */ |
| 2344 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| 2345 | |
| 2346 | /* fake a resource request */ |
| 2347 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 2348 | presreq = &ulreq.u.Packet_Resource_Request; |
| 2349 | presreq->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 2350 | presreq->ID.UnionType = 1; /* != 0 */ |
| 2351 | presreq->ID.u.TLLI = tlli; |
| 2352 | presreq->Exist_MS_Radio_Access_capability = 1; |
| 2353 | pmsradiocap = &presreq->MS_Radio_Access_capability; |
| 2354 | pmsradiocap->Count_MS_RA_capability_value = 1; |
| 2355 | pmsradiocap->MS_RA_capability_value[0].u.Content. |
| 2356 | Exist_Multislot_capability = 1; |
| 2357 | pmultislotcap = &pmsradiocap->MS_RA_capability_value[0]. |
| 2358 | u.Content.Multislot_capability; |
| 2359 | |
| 2360 | pmultislotcap->Exist_GPRS_multislot_class = 1; |
| 2361 | pmultislotcap->GPRS_multislot_class = ms_class; |
| 2362 | if (egprs_ms_class) { |
| 2363 | pmultislotcap->Exist_EGPRS_multislot_class = 1; |
| 2364 | pmultislotcap->EGPRS_multislot_class = ms_class; |
| 2365 | } |
| 2366 | |
| 2367 | send_ul_mac_block(the_bts, trx_no, ts_no, &ulreq, sba_fn); |
| 2368 | |
| 2369 | /* check the TBF */ |
| 2370 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
| 2371 | OSMO_ASSERT(ul_tbf); |
| 2372 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 2373 | |
| 2374 | /* send packet uplink assignment */ |
| 2375 | *fn = sba_fn; |
| 2376 | request_dl_rlc_block(ul_tbf, fn); |
| 2377 | |
| 2378 | /* send real acknowledgement */ |
| 2379 | send_control_ack(ul_tbf); |
| 2380 | |
| 2381 | check_tbf(ul_tbf); |
| 2382 | |
| 2383 | uint8_t data_msg[49] = {0}; |
| 2384 | |
| 2385 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 2386 | |
| 2387 | ms = the_bts->ms_by_tlli(tlli); |
| 2388 | OSMO_ASSERT(ms != NULL); |
| 2389 | OSMO_ASSERT(ms->ta() == qta/4); |
| 2390 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 2391 | |
| 2392 | cs = GprsCodingScheme::MCS4; |
| 2393 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 2394 | egprs3->si = 0; |
| 2395 | egprs3->r = 1; |
| 2396 | egprs3->cv = 7; |
| 2397 | egprs3->tfi_hi = tfi & 0x03; |
| 2398 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 2399 | egprs3->bsn1_hi = 0; |
| 2400 | egprs3->bsn1_lo = 0; |
| 2401 | egprs3->cps_hi = 1; |
| 2402 | data_msg[3] = 0xff; |
| 2403 | egprs3->pi = 0; |
| 2404 | egprs3->cps_lo = 1; |
| 2405 | egprs3->rsb = 0; |
| 2406 | egprs3->spb = 0; |
| 2407 | egprs3->pi = 0; |
| 2408 | pdch->rcv_block(data_msg, 49, *fn, &meas); |
| 2409 | |
| 2410 | egprs3->bsn1_hi = 1; |
| 2411 | egprs3->bsn1_lo = 0; |
| 2412 | data_msg[3] = 0x7f; |
| 2413 | egprs3->cps_lo = 1; |
| 2414 | egprs3->rsb = 0; |
| 2415 | egprs3->spb = 0; |
| 2416 | egprs3->pi = 0; |
| 2417 | data_msg[4] = 0x2; |
| 2418 | data_msg[5] = 0x0; |
| 2419 | pdch->rcv_block(data_msg, 49, *fn, &meas); |
| 2420 | |
Aravind Sirsikar | 22a9019 | 2016-09-15 17:24:49 +0530 | [diff] [blame] | 2421 | OSMO_ASSERT(ul_tbf->m_llc.m_index == 43); |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 2422 | |
| 2423 | return ul_tbf; |
| 2424 | } |
| 2425 | |
| 2426 | static void test_tbf_li_decoding(void) |
| 2427 | { |
| 2428 | BTS the_bts; |
| 2429 | int ts_no = 7; |
| 2430 | uint32_t fn = 2654218; |
| 2431 | uint16_t qta = 31; |
| 2432 | uint32_t tlli = 0xf1223344; |
| 2433 | const char *imsi = "0011223344"; |
| 2434 | uint8_t ms_class = 1; |
| 2435 | uint8_t egprs_ms_class = 1; |
| 2436 | gprs_rlcmac_ul_tbf *ul_tbf; |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 2437 | uint8_t test_data[256]; |
| 2438 | |
| 2439 | printf("=== start %s ===\n", __func__); |
| 2440 | |
| 2441 | memset(test_data, 1, sizeof(test_data)); |
| 2442 | |
| 2443 | setup_bts(&the_bts, ts_no, 4); |
| 2444 | the_bts.bts_data()->initial_mcs_dl = 9; |
| 2445 | the_bts.bts_data()->egprs_enabled = 1; |
| 2446 | |
| 2447 | ul_tbf = tbf_li_decoding(&the_bts, ts_no, tlli, &fn, qta, |
| 2448 | ms_class, egprs_ms_class); |
| 2449 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 2450 | print_ta_tlli(ul_tbf, true); |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 2451 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 2452 | |
| 2453 | printf("=== end %s ===\n", __func__); |
| 2454 | } |
| 2455 | |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2456 | /* |
| 2457 | * Test that a bit within the uncompressed bitmap whose BSN is not within |
| 2458 | * the transmit window shall be ignored. See section 9.1.8.2.4 of 44.060 |
| 2459 | * version 7.27.0 Release 7. |
| 2460 | */ |
| 2461 | static void test_tbf_epdan_out_of_rx_window(void) |
| 2462 | { |
| 2463 | BTS the_bts; |
| 2464 | gprs_rlcmac_bts *bts; |
| 2465 | uint8_t ms_class = 11; |
| 2466 | uint8_t egprs_ms_class = 11; |
| 2467 | uint8_t trx_no; |
| 2468 | uint32_t tlli = 0xffeeddcc; |
| 2469 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2470 | int ts_no = 4; |
| 2471 | bitvec *block; |
| 2472 | uint8_t bits_data[RLC_EGPRS_MAX_WS/8]; |
| 2473 | bitvec bits; |
| 2474 | int bsn_begin, bsn_end; |
| 2475 | EGPRS_PD_AckNack_t *ack_nack; |
| 2476 | RlcMacUplink_t ul_control_block; |
| 2477 | gprs_rlc_v_b *prlcmvb; |
| 2478 | gprs_rlc_dl_window *prlcdlwindow; |
| 2479 | |
aravind sirsikar | cc4214a | 2016-12-09 16:12:42 +0530 | [diff] [blame] | 2480 | memset(&ul_control_block, 0, sizeof(RlcMacUplink_t)); |
| 2481 | |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2482 | printf("=== start %s ===\n", __func__); |
| 2483 | |
| 2484 | bts = the_bts.bts_data(); |
| 2485 | |
| 2486 | setup_bts(&the_bts, ts_no); |
| 2487 | bts->dl_tbf_idle_msec = 200; |
| 2488 | bts->egprs_enabled = 1; |
| 2489 | /* ARQ II */ |
| 2490 | bts->dl_arq_type = EGPRS_ARQ2; |
| 2491 | |
| 2492 | /* |
| 2493 | * Simulate a message captured during over-the-air testing, |
| 2494 | * where the following values were observed: |
| 2495 | * v_a = 1176, vs = 1288, max sns = 2048, window size = 480. |
| 2496 | */ |
| 2497 | uint8_t data_msg[23] = {0x40, 0x20, 0x0b, 0xff, 0xd1, |
| 2498 | 0x61, 0x00, 0x3e, 0x0e, 0x51, 0x9f, |
| 2499 | 0xff, 0xff, 0xfb, 0x80, 0x00, 0x00, |
| 2500 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| 2501 | |
| 2502 | dl_tbf = create_dl_tbf(&the_bts, ms_class, egprs_ms_class, &trx_no); |
| 2503 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 2504 | prlcdlwindow = dl_tbf->window(); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2505 | prlcmvb = &prlcdlwindow->m_v_b; |
| 2506 | prlcdlwindow->m_v_s = 1288; |
| 2507 | prlcdlwindow->m_v_a = 1176; |
| 2508 | prlcdlwindow->set_sns(2048); |
| 2509 | prlcdlwindow->set_ws(480); |
| 2510 | prlcmvb->mark_unacked(1176); |
| 2511 | prlcmvb->mark_unacked(1177); |
| 2512 | prlcmvb->mark_unacked(1286); |
| 2513 | prlcmvb->mark_unacked(1287); |
| 2514 | |
| 2515 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2516 | |
Alexander Couzens | ccde5c9 | 2017-02-04 03:10:08 +0100 | [diff] [blame] | 2517 | block = bitvec_alloc(23, tall_pcu_ctx); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2518 | |
| 2519 | bitvec_unpack(block, data_msg); |
| 2520 | |
| 2521 | bits.data = bits_data; |
| 2522 | bits.data_len = sizeof(bits_data); |
| 2523 | bits.cur_bit = 0; |
| 2524 | |
| 2525 | decode_gsm_rlcmac_uplink(block, &ul_control_block); |
| 2526 | |
| 2527 | ack_nack = &ul_control_block.u.Egprs_Packet_Downlink_Ack_Nack; |
| 2528 | |
| 2529 | OSMO_ASSERT(prlcmvb->is_unacked(1176)); |
| 2530 | OSMO_ASSERT(prlcmvb->is_unacked(1177)); |
| 2531 | OSMO_ASSERT(prlcmvb->is_unacked(1286)); |
| 2532 | OSMO_ASSERT(prlcmvb->is_unacked(1287)); |
| 2533 | |
| 2534 | Decoding::decode_egprs_acknack_bits( |
| 2535 | &ack_nack->EGPRS_AckNack.Desc, &bits, |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 2536 | &bsn_begin, &bsn_end, dl_tbf->window()); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2537 | |
| 2538 | dl_tbf->rcvd_dl_ack( |
| 2539 | ack_nack->EGPRS_AckNack.Desc.FINAL_ACK_INDICATION, |
| 2540 | bsn_begin, &bits); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2541 | |
aravind sirsikar | fb41afa | 2016-11-02 15:48:00 +0530 | [diff] [blame] | 2542 | OSMO_ASSERT(prlcmvb->is_invalid(1176)); |
| 2543 | OSMO_ASSERT(prlcmvb->is_invalid(1177)); |
| 2544 | OSMO_ASSERT(prlcmvb->is_acked(1286)); |
| 2545 | OSMO_ASSERT(prlcmvb->is_acked(1287)); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2546 | |
| 2547 | bitvec_free(block); |
| 2548 | tbf_free(dl_tbf); |
| 2549 | printf("=== end %s ===\n", __func__); |
| 2550 | } |
| 2551 | |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 2552 | static void test_tbf_egprs_two_phase_spb(void) |
| 2553 | { |
| 2554 | BTS the_bts; |
| 2555 | int ts_no = 7; |
| 2556 | uint32_t fn = 2654218; |
| 2557 | uint16_t qta = 31; |
| 2558 | uint32_t tlli = 0xf1223344; |
| 2559 | const char *imsi = "0011223344"; |
| 2560 | uint8_t ms_class = 1; |
| 2561 | uint8_t egprs_ms_class = 1; |
| 2562 | gprs_rlcmac_ul_tbf *ul_tbf; |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 2563 | uint8_t test_data[256]; |
| 2564 | |
| 2565 | printf("=== start %s ===\n", __func__); |
| 2566 | |
| 2567 | memset(test_data, 1, sizeof(test_data)); |
| 2568 | |
| 2569 | setup_bts(&the_bts, ts_no, 4); |
| 2570 | the_bts.bts_data()->initial_mcs_dl = 9; |
| 2571 | the_bts.bts_data()->egprs_enabled = 1; |
| 2572 | |
| 2573 | ul_tbf = establish_ul_tbf_two_phase_spb(&the_bts, ts_no, tlli, &fn, qta, |
| 2574 | ms_class, egprs_ms_class); |
| 2575 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 2576 | print_ta_tlli(ul_tbf, true); |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 2577 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 2578 | |
| 2579 | printf("=== end %s ===\n", __func__); |
| 2580 | } |
| 2581 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2582 | static void test_tbf_egprs_two_phase() |
| 2583 | { |
| 2584 | BTS the_bts; |
| 2585 | int ts_no = 7; |
| 2586 | uint32_t fn = 2654218; |
| 2587 | uint16_t qta = 31; |
| 2588 | uint32_t tlli = 0xf1223344; |
| 2589 | const char *imsi = "0011223344"; |
| 2590 | uint8_t ms_class = 1; |
| 2591 | uint8_t egprs_ms_class = 1; |
| 2592 | gprs_rlcmac_ul_tbf *ul_tbf; |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2593 | uint8_t test_data[256]; |
| 2594 | |
| 2595 | printf("=== start %s ===\n", __func__); |
| 2596 | |
| 2597 | memset(test_data, 1, sizeof(test_data)); |
| 2598 | |
| 2599 | setup_bts(&the_bts, ts_no, 4); |
| 2600 | the_bts.bts_data()->initial_mcs_dl = 9; |
| 2601 | the_bts.bts_data()->egprs_enabled = 1; |
| 2602 | |
| 2603 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli, &fn, qta, |
| 2604 | ms_class, egprs_ms_class); |
| 2605 | |
Max | 4c112dc | 2018-02-01 16:49:23 +0100 | [diff] [blame] | 2606 | print_ta_tlli(ul_tbf, true); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2607 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 2608 | |
| 2609 | printf("=== end %s ===\n", __func__); |
| 2610 | } |
| 2611 | |
| 2612 | static void establish_and_use_egprs_dl_tbf(BTS *the_bts, int mcs) |
| 2613 | { |
| 2614 | unsigned i; |
| 2615 | uint8_t ms_class = 11; |
| 2616 | uint8_t egprs_ms_class = 11; |
| 2617 | uint32_t fn = 0; |
| 2618 | uint8_t trx_no; |
| 2619 | uint32_t tlli = 0xffeeddcc; |
| 2620 | uint8_t test_data[512]; |
| 2621 | |
| 2622 | uint8_t rbb[64/8]; |
| 2623 | |
| 2624 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2625 | |
| 2626 | printf("Testing MCS-%d\n", mcs); |
| 2627 | |
| 2628 | memset(test_data, 1, sizeof(test_data)); |
| 2629 | the_bts->bts_data()->initial_mcs_dl = mcs; |
| 2630 | |
| 2631 | dl_tbf = create_dl_tbf(the_bts, ms_class, egprs_ms_class, &trx_no); |
| 2632 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| 2633 | |
| 2634 | for (i = 0; i < sizeof(llc_data); i++) |
| 2635 | llc_data[i] = i%256; |
| 2636 | |
| 2637 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2638 | |
| 2639 | /* Schedule a small LLC frame */ |
| 2640 | dl_tbf->append_data(ms_class, 1000, test_data, 10); |
| 2641 | |
| 2642 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2643 | |
| 2644 | /* Drain the queue */ |
| 2645 | while (dl_tbf->have_data()) |
| 2646 | /* Request to send one RLC/MAC block */ |
| 2647 | request_dl_rlc_block(dl_tbf, &fn); |
| 2648 | |
| 2649 | /* Schedule a large LLC frame */ |
| 2650 | dl_tbf->append_data(ms_class, 1000, test_data, sizeof(test_data)); |
| 2651 | |
| 2652 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2653 | |
| 2654 | /* Drain the queue */ |
| 2655 | while (dl_tbf->have_data()) |
| 2656 | /* Request to send one RLC/MAC block */ |
| 2657 | request_dl_rlc_block(dl_tbf, &fn); |
| 2658 | |
| 2659 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2660 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2661 | RCV_ACK(true, dl_tbf, rbb); /* Receive a final ACK */ |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2662 | |
| 2663 | /* Clean up and ensure tbfs are in the correct state */ |
| 2664 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 2665 | TBF_SET_ASS_STATE_DL(dl_tbf, GPRS_RLCMAC_DL_ASS_NONE); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2666 | check_tbf(dl_tbf); |
| 2667 | tbf_free(dl_tbf); |
| 2668 | } |
| 2669 | |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2670 | static gprs_rlcmac_dl_tbf *tbf_init(BTS *the_bts, |
| 2671 | int mcs) |
| 2672 | { |
| 2673 | unsigned i; |
| 2674 | uint8_t ms_class = 11; |
| 2675 | uint8_t egprs_ms_class = 11; |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2676 | uint8_t trx_no; |
| 2677 | uint32_t tlli = 0xffeeddcc; |
| 2678 | uint8_t test_data[512]; |
| 2679 | |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2680 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2681 | |
| 2682 | memset(test_data, 1, sizeof(test_data)); |
| 2683 | the_bts->bts_data()->initial_mcs_dl = mcs; |
| 2684 | |
| 2685 | dl_tbf = create_dl_tbf(the_bts, ms_class, egprs_ms_class, &trx_no); |
| 2686 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| 2687 | |
| 2688 | for (i = 0; i < sizeof(test_data); i++) |
| 2689 | test_data[i] = i%256; |
| 2690 | |
| 2691 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2692 | |
| 2693 | /* Schedule a LLC frame |
| 2694 | * passing only 100 bytes, since it is enough to construct |
| 2695 | * 2 RLC data blocks. Which are enough to test Header Type 1 |
| 2696 | * cases |
| 2697 | */ |
| 2698 | dl_tbf->append_data(ms_class, 1000, test_data, 100); |
| 2699 | |
| 2700 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2701 | |
| 2702 | return dl_tbf; |
| 2703 | |
| 2704 | } |
| 2705 | |
| 2706 | static void tbf_cleanup(gprs_rlcmac_dl_tbf *dl_tbf) |
| 2707 | { |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2708 | uint8_t rbb[64/8]; |
| 2709 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2710 | RCV_ACK(true, dl_tbf, rbb); /* Receive a final ACK */ |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2711 | |
| 2712 | /* Clean up and ensure tbfs are in the correct state */ |
| 2713 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Max | 0e59980 | 2018-01-23 20:09:06 +0100 | [diff] [blame] | 2714 | TBF_SET_ASS_STATE_DL(dl_tbf, GPRS_RLCMAC_DL_ASS_NONE); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2715 | check_tbf(dl_tbf); |
| 2716 | tbf_free(dl_tbf); |
| 2717 | |
| 2718 | } |
| 2719 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2720 | #define NACK(tbf, x) do { \ |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 2721 | tbf->window()->m_v_b.mark_nacked(x); \ |
| 2722 | OSMO_ASSERT(tbf->window()->m_v_b.is_nacked(x)); \ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2723 | } while(0) |
| 2724 | |
| 2725 | #define CHECK_UNACKED(tbf, cs, bsn) do { \ |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 2726 | OSMO_ASSERT(tbf->window()->m_v_b.is_unacked(bsn)); \ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2727 | OSMO_ASSERT(tbf->m_rlc.block(bsn)->cs_current_trans.to_num() == cs); \ |
| 2728 | } while(0) |
| 2729 | |
| 2730 | #define CHECK_NACKED(tbf, cs, bsn) do { \ |
Max | ea98b7d | 2018-01-04 15:13:27 +0100 | [diff] [blame] | 2731 | OSMO_ASSERT(tbf->window()->m_v_b.is_nacked(bsn)); \ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2732 | OSMO_ASSERT(tbf->m_rlc.block(bsn)->cs_current_trans.to_num() == cs); \ |
| 2733 | } while(0) |
| 2734 | |
| 2735 | #define MAKE_ACKED(m, tbf, fn, cs, check_unacked) do { \ |
| 2736 | m = tbf->create_dl_acked_block(fn, tbf->control_ts); \ |
| 2737 | OSMO_ASSERT(m); \ |
| 2738 | if (check_unacked) \ |
| 2739 | CHECK_UNACKED(tbf, cs, 0); \ |
| 2740 | else \ |
| 2741 | CHECK_NACKED(tbf, cs, 0); \ |
| 2742 | } while(0) |
| 2743 | |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2744 | static void egprs_spb_to_normal_validation(BTS *the_bts, |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2745 | unsigned int mcs, unsigned int demanded_mcs) |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2746 | { |
| 2747 | uint32_t fn = 0; |
| 2748 | gprs_rlcmac_dl_tbf *dl_tbf; |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2749 | uint16_t bsn1, bsn2, bsn3; |
| 2750 | struct msgb *msg; |
| 2751 | struct gprs_rlc_dl_header_egprs_3 *egprs3; |
| 2752 | struct gprs_rlc_dl_header_egprs_2 *egprs2; |
| 2753 | |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2754 | 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] | 2755 | |
| 2756 | dl_tbf = tbf_init(the_bts, mcs); |
| 2757 | |
| 2758 | /* |
| 2759 | * Table 10.4.8a.3.1 of 44.060. |
| 2760 | * (MCS7, MCS9) to (MCS2, MCS3) is not handled since it is same as |
| 2761 | * (MCS5, MCS6) to (MCS2, MCS3) transition |
| 2762 | */ |
| 2763 | if (!(mcs == 6 && demanded_mcs == 3)) |
| 2764 | return; |
| 2765 | |
| 2766 | fn = fn_add_blocks(fn, 1); |
| 2767 | /* Send first RLC data block BSN 0 */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2768 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2769 | |
| 2770 | egprs2 = (struct gprs_rlc_dl_header_egprs_2 *) msg->data; |
Max | b4d368b | 2017-12-01 17:54:39 +0100 | [diff] [blame] | 2771 | bsn1 = (egprs2->bsn1_hi << 9) | (egprs2->bsn1_mid << 1) | (egprs2->bsn1_lo); |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2772 | |
| 2773 | NACK(dl_tbf, 0); |
| 2774 | |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2775 | OSMO_ASSERT(bsn1 == 0); |
| 2776 | |
| 2777 | dl_tbf->ms()->set_current_cs_dl |
| 2778 | (static_cast < GprsCodingScheme::Scheme > |
| 2779 | (GprsCodingScheme::CS4 + demanded_mcs)); |
| 2780 | |
| 2781 | fn = fn_add_blocks(fn, 1); |
| 2782 | |
| 2783 | /* Send first segment with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2784 | MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, false); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2785 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| 2786 | == EGPRS_RESEG_FIRST_SEG_SENT); |
| 2787 | |
| 2788 | egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| 2789 | OSMO_ASSERT(egprs3->spb == 2); |
| 2790 | |
| 2791 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2792 | OSMO_ASSERT(egprs3->cps == 3); |
| 2793 | |
| 2794 | /* Send second segment with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2795 | MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, true); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2796 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| 2797 | == EGPRS_RESEG_SECOND_SEG_SENT); |
| 2798 | |
| 2799 | egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| 2800 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2801 | OSMO_ASSERT(egprs3->spb == 3); |
Max | b4d368b | 2017-12-01 17:54:39 +0100 | [diff] [blame] | 2802 | bsn2 = (egprs3->bsn1_hi << 9) | (egprs3->bsn1_mid << 1) | (egprs3->bsn1_lo); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2803 | OSMO_ASSERT(bsn2 == bsn1); |
| 2804 | |
| 2805 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2806 | OSMO_ASSERT(egprs3->cps == 3); |
| 2807 | |
| 2808 | /* Handle (MCS3, MCS3) -> MCS6 case */ |
| 2809 | dl_tbf->ms()->set_current_cs_dl |
| 2810 | (static_cast < GprsCodingScheme::Scheme > |
| 2811 | (GprsCodingScheme::CS4 + mcs)); |
| 2812 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2813 | NACK(dl_tbf, 0); |
| 2814 | |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2815 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
| 2816 | egprs2 = (struct gprs_rlc_dl_header_egprs_2 *) msg->data; |
| 2817 | |
| 2818 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2819 | OSMO_ASSERT(egprs2->cps == 0); |
Max | b4d368b | 2017-12-01 17:54:39 +0100 | [diff] [blame] | 2820 | bsn3 = (egprs2->bsn1_hi << 9) | (egprs2->bsn1_mid << 1) | (egprs2->bsn1_lo); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2821 | OSMO_ASSERT(bsn3 == bsn2); |
| 2822 | |
| 2823 | tbf_cleanup(dl_tbf); |
| 2824 | } |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2825 | |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2826 | 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] | 2827 | unsigned int mcs, unsigned int demanded_mcs) |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2828 | { |
| 2829 | uint32_t fn = 0; |
| 2830 | gprs_rlcmac_dl_tbf *dl_tbf; |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2831 | struct msgb *msg; |
| 2832 | struct gprs_rlc_dl_header_egprs_3 *egprs3; |
| 2833 | |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2834 | 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] | 2835 | |
| 2836 | dl_tbf = tbf_init(the_bts, mcs); |
| 2837 | |
| 2838 | /* |
| 2839 | * Table 10.4.8a.3.1 of 44.060. |
| 2840 | * (MCS7, MCS9) to (MCS2, MCS3) is not handled since it is same as |
| 2841 | * (MCS5, MCS6) to (MCS2, MCS3) transition |
| 2842 | */ |
| 2843 | /* TODO: Need to support of MCS8 -> MCS6 ->MCS3 transistion |
| 2844 | * Refer commit be881c028fc4da00c4046ecd9296727975c206a3 |
| 2845 | * dated 2016-02-07 23:45:40 (UTC) |
| 2846 | */ |
| 2847 | if (!(((mcs == 5) && (demanded_mcs == 2)) || |
| 2848 | ((mcs == 6) && (demanded_mcs == 3)) || |
| 2849 | ((mcs == 4) && (demanded_mcs == 1)))) |
| 2850 | return; |
| 2851 | |
| 2852 | fn = fn_add_blocks(fn, 1); |
| 2853 | /* Send first RLC data block BSN 0 */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2854 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2855 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2856 | NACK(dl_tbf, 0); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2857 | |
| 2858 | dl_tbf->ms()->set_current_cs_dl |
| 2859 | (static_cast < GprsCodingScheme::Scheme > |
| 2860 | (GprsCodingScheme::CS4 + demanded_mcs)); |
| 2861 | |
| 2862 | fn = fn_add_blocks(fn, 1); |
| 2863 | |
| 2864 | /* Send first segment with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2865 | MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, false); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2866 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| 2867 | == EGPRS_RESEG_FIRST_SEG_SENT); |
| 2868 | |
| 2869 | egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| 2870 | OSMO_ASSERT(egprs3->spb == 2); |
| 2871 | |
| 2872 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2873 | switch (demanded_mcs) { |
| 2874 | case 3: |
| 2875 | OSMO_ASSERT(egprs3->cps == 3); |
| 2876 | break; |
| 2877 | case 2: |
| 2878 | OSMO_ASSERT(egprs3->cps == 9); |
| 2879 | break; |
| 2880 | case 1: |
| 2881 | OSMO_ASSERT(egprs3->cps == 11); |
| 2882 | break; |
| 2883 | default: |
| 2884 | OSMO_ASSERT(false); |
| 2885 | break; |
| 2886 | } |
| 2887 | |
| 2888 | /* Send second segment with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2889 | MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, true); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2890 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| 2891 | == EGPRS_RESEG_SECOND_SEG_SENT); |
| 2892 | |
| 2893 | egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| 2894 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2895 | OSMO_ASSERT(egprs3->spb == 3); |
| 2896 | |
| 2897 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2898 | switch (demanded_mcs) { |
| 2899 | case 3: |
| 2900 | OSMO_ASSERT(egprs3->cps == 3); |
| 2901 | break; |
| 2902 | case 2: |
| 2903 | OSMO_ASSERT(egprs3->cps == 9); |
| 2904 | break; |
| 2905 | case 1: |
| 2906 | OSMO_ASSERT(egprs3->cps == 11); |
| 2907 | break; |
| 2908 | default: |
| 2909 | OSMO_ASSERT(false); |
| 2910 | break; |
| 2911 | } |
| 2912 | tbf_cleanup(dl_tbf); |
| 2913 | } |
| 2914 | |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2915 | 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] | 2916 | unsigned int mcs, unsigned int demanded_mcs) |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2917 | { |
| 2918 | uint32_t fn = 0; |
| 2919 | gprs_rlcmac_dl_tbf *dl_tbf; |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2920 | struct msgb *msg; |
| 2921 | |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2922 | printf("Testing retx for MCS %u - %u\n", mcs, demanded_mcs); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2923 | |
| 2924 | dl_tbf = tbf_init(the_bts, mcs); |
| 2925 | |
| 2926 | /* For MCS reduction cases like MCS9->MCS6, MCS7->MCS5 |
| 2927 | * The MCS transition are referred from table Table 8.1.1.2 |
| 2928 | * of TS 44.060 |
| 2929 | */ |
| 2930 | /* TODO: Need to support of MCS8 -> MCS6 transistion |
| 2931 | * Refer commit be881c028fc4da00c4046ecd9296727975c206a3 |
| 2932 | * dated 2016-02-07 23:45:40 (UTC) |
| 2933 | */ |
| 2934 | if (((mcs == 9) && (demanded_mcs < 9)) || |
| 2935 | ((mcs == 7) && (demanded_mcs < 7))) { |
| 2936 | fn = fn_add_blocks(fn, 1); |
| 2937 | /* Send 2 RLC data block */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2938 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| 2939 | CHECK_UNACKED(dl_tbf, mcs, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2940 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2941 | NACK(dl_tbf, 0); |
| 2942 | NACK(dl_tbf, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2943 | |
| 2944 | /* Set the demanded MCS to demanded_mcs */ |
| 2945 | dl_tbf->ms()->set_current_cs_dl |
| 2946 | (static_cast < GprsCodingScheme::Scheme > |
| 2947 | (GprsCodingScheme::CS4 + demanded_mcs)); |
| 2948 | |
| 2949 | fn = fn_add_blocks(fn, 1); |
| 2950 | /* Retransmit the first RLC data block with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2951 | MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, true); |
| 2952 | CHECK_NACKED(dl_tbf, mcs, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2953 | |
| 2954 | fn = fn_add_blocks(fn, 1); |
| 2955 | /* Retransmit the second RLC data block with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2956 | MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, true); |
| 2957 | CHECK_UNACKED(dl_tbf, demanded_mcs, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2958 | } else if (((mcs == 5) && (demanded_mcs > 6)) || |
| 2959 | ((mcs == 6) && (demanded_mcs > 8))) { |
| 2960 | fn = fn_add_blocks(fn, 1); |
| 2961 | /* Send first RLC data block BSN 0 */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2962 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2963 | |
| 2964 | fn = fn_add_blocks(fn, 1); |
| 2965 | /* Send second RLC data block BSN 1 */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2966 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| 2967 | CHECK_UNACKED(dl_tbf, mcs, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2968 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2969 | NACK(dl_tbf, 0); |
| 2970 | NACK(dl_tbf, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2971 | |
| 2972 | dl_tbf->ms()->set_current_cs_dl |
| 2973 | (static_cast < GprsCodingScheme::Scheme > |
| 2974 | (GprsCodingScheme::CS4 + demanded_mcs)); |
| 2975 | |
| 2976 | fn = fn_add_blocks(fn, 1); |
| 2977 | /* Send first, second RLC data blocks with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2978 | MAKE_ACKED(msg, dl_tbf, fn, demanded_mcs, true); |
| 2979 | CHECK_UNACKED(dl_tbf, demanded_mcs, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2980 | } else if (mcs > 6) { |
| 2981 | /* No Mcs change cases are handled here for mcs > MCS6*/ |
| 2982 | fn = fn_add_blocks(fn, 1); |
| 2983 | /* Send first,second RLC data blocks */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2984 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| 2985 | CHECK_UNACKED(dl_tbf, mcs, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2986 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2987 | NACK(dl_tbf, 0); |
| 2988 | NACK(dl_tbf, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2989 | |
| 2990 | fn = fn_add_blocks(fn, 1); |
| 2991 | /* Send first,second RLC data blocks with demanded_mcs*/ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2992 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
| 2993 | CHECK_UNACKED(dl_tbf, mcs, 1); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2994 | } else { |
| 2995 | |
| 2996 | /* No MCS change cases are handled here for mcs <= MCS6*/ |
| 2997 | fn = fn_add_blocks(fn, 1); |
| 2998 | /* Send first RLC data block */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 2999 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3000 | |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 3001 | NACK(dl_tbf, 0); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3002 | |
| 3003 | fn = fn_add_blocks(fn, 1); |
| 3004 | /* Send first RLC data block with demanded_mcs */ |
Max | 7d32f55 | 2017-12-15 11:25:14 +0100 | [diff] [blame] | 3005 | MAKE_ACKED(msg, dl_tbf, fn, mcs, true); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3006 | } |
| 3007 | |
| 3008 | tbf_cleanup(dl_tbf); |
| 3009 | } |
| 3010 | |
| 3011 | static void test_tbf_egprs_retx_dl(void) |
| 3012 | { |
| 3013 | BTS the_bts; |
| 3014 | gprs_rlcmac_bts *bts; |
| 3015 | uint8_t ts_no = 4; |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3016 | |
| 3017 | printf("=== start %s ===\n", __func__); |
| 3018 | |
| 3019 | bts = the_bts.bts_data(); |
| 3020 | bts->cs_downgrade_threshold = 0; |
| 3021 | setup_bts(&the_bts, ts_no); |
| 3022 | bts->dl_tbf_idle_msec = 200; |
| 3023 | bts->egprs_enabled = 1; |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 3024 | /* ARQ II */ |
| 3025 | bts->dl_arq_type = EGPRS_ARQ2; |
| 3026 | |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3027 | |
| 3028 | /* First parameter is current MCS, second one is demanded_mcs */ |
| 3029 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 6, 6); |
| 3030 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 1, 9); |
| 3031 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 2, 8); |
| 3032 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 5, 7); |
| 3033 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 6, 9); |
| 3034 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 7, 5); |
| 3035 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 9, 6); |
| 3036 | |
| 3037 | printf("=== end %s ===\n", __func__); |
| 3038 | } |
| 3039 | |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 3040 | static void test_tbf_egprs_spb_dl(void) |
| 3041 | { |
| 3042 | BTS the_bts; |
| 3043 | gprs_rlcmac_bts *bts; |
| 3044 | uint8_t ts_no = 4; |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 3045 | |
| 3046 | printf("=== start %s ===\n", __func__); |
| 3047 | |
| 3048 | bts = the_bts.bts_data(); |
| 3049 | bts->cs_downgrade_threshold = 0; |
| 3050 | setup_bts(&the_bts, ts_no); |
| 3051 | bts->dl_tbf_idle_msec = 200; |
| 3052 | bts->egprs_enabled = 1; |
| 3053 | |
| 3054 | /* ARQ I resegmentation support */ |
| 3055 | bts->dl_arq_type = EGPRS_ARQ1; |
| 3056 | |
| 3057 | /* |
| 3058 | * First parameter is current MCS, second one is demanded_mcs |
| 3059 | * currently only MCS5->MCS2, MCS6->3, MCS4->MCS1 is tested in UT |
| 3060 | * rest scenarios has been integration tested |
| 3061 | */ |
| 3062 | establish_and_use_egprs_dl_tbf_for_spb(&the_bts, 6, 3); |
| 3063 | establish_and_use_egprs_dl_tbf_for_spb(&the_bts, 5, 2); |
| 3064 | establish_and_use_egprs_dl_tbf_for_spb(&the_bts, 4, 1); |
| 3065 | /* check MCS6->(MCS3+MCS3)->MCS6 case */ |
| 3066 | egprs_spb_to_normal_validation(&the_bts, 6, 3); |
| 3067 | |
| 3068 | printf("=== end %s ===\n", __func__); |
| 3069 | } |
| 3070 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 3071 | static void test_tbf_egprs_dl() |
| 3072 | { |
| 3073 | BTS the_bts; |
| 3074 | gprs_rlcmac_bts *bts; |
| 3075 | uint8_t ts_no = 4; |
| 3076 | int i; |
| 3077 | |
| 3078 | printf("=== start %s ===\n", __func__); |
| 3079 | |
| 3080 | bts = the_bts.bts_data(); |
| 3081 | |
| 3082 | setup_bts(&the_bts, ts_no); |
| 3083 | bts->dl_tbf_idle_msec = 200; |
| 3084 | bts->egprs_enabled = 1; |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 3085 | /* ARQ II */ |
| 3086 | bts->dl_arq_type = EGPRS_ARQ2; |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 3087 | |
| 3088 | for (i = 1; i <= 9; i++) |
| 3089 | establish_and_use_egprs_dl_tbf(&the_bts, i); |
| 3090 | |
| 3091 | printf("=== end %s ===\n", __func__); |
| 3092 | } |
| 3093 | |
| 3094 | |
| 3095 | |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 3096 | static void test_packet_access_rej_prr_no_other_tbfs() |
| 3097 | { |
| 3098 | BTS the_bts; |
| 3099 | uint32_t fn = 2654218; |
| 3100 | int ts_no = 7; |
| 3101 | uint8_t trx_no = 0; |
| 3102 | uint32_t tlli = 0xffeeddcc; |
| 3103 | struct gprs_rlcmac_ul_tbf *ul_tbf = NULL; |
| 3104 | |
| 3105 | printf("=== start %s ===\n", __func__); |
| 3106 | |
| 3107 | setup_bts(&the_bts, ts_no, 4); |
| 3108 | |
| 3109 | int rc = 0; |
| 3110 | |
| 3111 | ul_tbf = handle_tbf_reject(the_bts.bts_data(), NULL, tlli, |
| 3112 | trx_no, ts_no); |
| 3113 | |
| 3114 | OSMO_ASSERT(ul_tbf != 0); |
| 3115 | |
| 3116 | /* trigger packet access reject */ |
| 3117 | uint8_t bn = fn2bn(fn); |
| 3118 | |
| 3119 | rc = gprs_rlcmac_rcv_rts_block(the_bts.bts_data(), |
| 3120 | trx_no, ts_no, fn, bn); |
| 3121 | |
| 3122 | OSMO_ASSERT(rc == 0); |
| 3123 | |
| 3124 | ul_tbf->handle_timeout(); |
| 3125 | |
| 3126 | printf("=== end %s ===\n", __func__); |
| 3127 | } |
| 3128 | |
| 3129 | static void test_packet_access_rej_prr() |
| 3130 | { |
| 3131 | BTS the_bts; |
| 3132 | uint32_t fn = 2654218; |
| 3133 | uint16_t qta = 31; |
| 3134 | int ts_no = 7; |
| 3135 | uint8_t trx_no = 0; |
| 3136 | RlcMacUplink_t ulreq = {0}; |
| 3137 | Packet_Resource_Request_t *presreq = NULL; |
| 3138 | uint8_t ms_class = 11; |
| 3139 | uint8_t egprs_ms_class = 11; |
| 3140 | uint32_t rach_fn = fn - 51; |
| 3141 | uint32_t sba_fn = fn + 52; |
| 3142 | uint32_t tlli = 0xffeeddcc; |
| 3143 | MS_Radio_Access_capability_t *pmsradiocap = NULL; |
| 3144 | Multislot_capability_t *pmultislotcap = NULL; |
| 3145 | |
| 3146 | printf("=== start %s ===\n", __func__); |
| 3147 | |
| 3148 | setup_bts(&the_bts, ts_no, 4); |
| 3149 | |
| 3150 | int rc = 0; |
| 3151 | |
| 3152 | /* |
| 3153 | * Trigger rach till resources(USF) exhaust |
| 3154 | */ |
| 3155 | rc = the_bts.rcv_rach(0x78, rach_fn, qta, 0, |
| 3156 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3157 | rc = the_bts.rcv_rach(0x79, rach_fn, qta, 0, |
| 3158 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3159 | rc = the_bts.rcv_rach(0x7a, rach_fn, qta, 0, |
| 3160 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3161 | rc = the_bts.rcv_rach(0x7b, rach_fn, qta, 0, |
| 3162 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3163 | rc = the_bts.rcv_rach(0x7c, rach_fn, qta, 0, |
| 3164 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3165 | rc = the_bts.rcv_rach(0x7d, rach_fn, qta, 0, |
| 3166 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3167 | rc = the_bts.rcv_rach(0x7e, rach_fn, qta, 0, |
| 3168 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3169 | |
| 3170 | /* fake a resource request */ |
| 3171 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 3172 | presreq = &ulreq.u.Packet_Resource_Request; |
| 3173 | presreq->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 3174 | presreq->ID.UnionType = 1; /* != 0 */ |
| 3175 | presreq->ID.u.TLLI = tlli; |
| 3176 | presreq->Exist_MS_Radio_Access_capability = 1; |
| 3177 | pmsradiocap = &presreq->MS_Radio_Access_capability; |
| 3178 | pmsradiocap->Count_MS_RA_capability_value = 1; |
| 3179 | pmsradiocap->MS_RA_capability_value[0].u.Content. |
| 3180 | Exist_Multislot_capability = 1; |
| 3181 | pmultislotcap = &pmsradiocap->MS_RA_capability_value[0]. |
| 3182 | u.Content.Multislot_capability; |
| 3183 | |
| 3184 | pmultislotcap->Exist_GPRS_multislot_class = 1; |
| 3185 | pmultislotcap->GPRS_multislot_class = ms_class; |
| 3186 | if (egprs_ms_class) { |
| 3187 | pmultislotcap->Exist_EGPRS_multislot_class = 1; |
| 3188 | pmultislotcap->EGPRS_multislot_class = egprs_ms_class; |
| 3189 | } |
| 3190 | |
| 3191 | send_ul_mac_block(&the_bts, trx_no, ts_no, &ulreq, sba_fn); |
| 3192 | |
| 3193 | /* trigger packet access reject */ |
| 3194 | uint8_t bn = fn2bn(fn); |
| 3195 | |
| 3196 | rc = gprs_rlcmac_rcv_rts_block(the_bts.bts_data(), |
| 3197 | trx_no, ts_no, fn, bn); |
| 3198 | |
| 3199 | OSMO_ASSERT(rc == 0); |
| 3200 | |
| 3201 | printf("=== end %s ===\n", __func__); |
| 3202 | } |
| 3203 | |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 3204 | void test_packet_access_rej_epdan() |
| 3205 | { |
| 3206 | BTS the_bts; |
| 3207 | uint32_t tlli = 0xffeeddcc; |
| 3208 | |
| 3209 | printf("=== start %s ===\n", __func__); |
| 3210 | setup_bts(&the_bts, 4); |
| 3211 | static gprs_rlcmac_dl_tbf *dl_tbf = tbf_init(&the_bts, 1); |
| 3212 | |
| 3213 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| 3214 | |
| 3215 | struct msgb *msg = dl_tbf->create_packet_access_reject(); |
| 3216 | |
| 3217 | printf("packet reject: %s\n", |
| 3218 | osmo_hexdump(msg->data, 23)); |
| 3219 | |
| 3220 | OSMO_ASSERT(!strcmp(osmo_hexdump(msg->data, 23), |
| 3221 | "40 84 7f f7 6e e6 41 4b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b ")); |
| 3222 | printf("=== end %s ===\n", __func__); |
| 3223 | |
| 3224 | } |
| 3225 | |
| 3226 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3227 | int main(int argc, char **argv) |
| 3228 | { |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 3229 | struct vty_app_info pcu_vty_info = {0}; |
| 3230 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3231 | tall_pcu_ctx = talloc_named_const(NULL, 1, "moiji-mobile TbfTest context"); |
| 3232 | if (!tall_pcu_ctx) |
| 3233 | abort(); |
| 3234 | |
Neels Hofmeyr | 78ce591 | 2017-02-08 17:07:31 +0100 | [diff] [blame] | 3235 | msgb_talloc_ctx_init(tall_pcu_ctx, 0); |
Neels Hofmeyr | 42f2d61 | 2018-04-01 16:54:40 +0200 | [diff] [blame] | 3236 | osmo_init_logging2(tall_pcu_ctx, &gprs_log_info); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3237 | log_set_use_color(osmo_stderr_target, 0); |
| 3238 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 3239 | bssgp_set_log_ss(DBSSGP); |
Max | fdd79e9 | 2018-01-24 11:04:59 +0100 | [diff] [blame] | 3240 | log_parse_category_mask(osmo_stderr_target, "DRLCMAC,1:DRLCMACDATA,3:DRLCMACDL,3:DRLCMACUL,3:" |
| 3241 | "DRLCMACSCHED,1:DRLCMACMEAS,3:DNS,3:DBSSGP,3:DPCU,5:" |
Max | 164b59d | 2018-01-25 19:52:27 +0100 | [diff] [blame] | 3242 | "DL1IF,6:DTBF,1:DTBFUL,1:DTBFDL,1:"); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 3243 | |
| 3244 | vty_init(&pcu_vty_info); |
Harald Welte | ac0490a | 2017-10-29 10:39:32 +0100 | [diff] [blame] | 3245 | pcu_vty_init(&gprs_log_info); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3246 | |
Jacob Erlbeck | ac89a55 | 2015-06-29 14:18:46 +0200 | [diff] [blame] | 3247 | test_tbf_base(); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3248 | test_tbf_tlli_update(); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 3249 | test_tbf_final_ack(TEST_MODE_STANDARD); |
| 3250 | test_tbf_final_ack(TEST_MODE_REVERSE_FREE); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 3251 | test_tbf_delayed_release(); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 3252 | test_tbf_imsi(); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 3253 | test_tbf_exhaustion(); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 3254 | test_tbf_dl_llc_loss(); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 3255 | test_tbf_single_phase(); |
| 3256 | test_tbf_two_phase(); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 3257 | test_tbf_ra_update_rach(); |
| 3258 | test_tbf_dl_flow_and_rach_two_phase(); |
| 3259 | test_tbf_dl_flow_and_rach_single_phase(); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 3260 | test_tbf_dl_reuse(); |
Jacob Erlbeck | 9b3d7e0 | 2016-01-19 10:44:42 +0100 | [diff] [blame] | 3261 | test_tbf_gprs_egprs(); |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 3262 | test_tbf_ws(); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 3263 | test_tbf_egprs_two_phase(); |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 3264 | test_tbf_egprs_two_phase_spb(); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 3265 | test_tbf_egprs_dl(); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3266 | test_tbf_egprs_retx_dl(); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 3267 | test_tbf_egprs_spb_dl(); |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 3268 | test_tbf_puan_urbb_len(); |
Aravind Sirsikar | 3c2eaeb | 2016-08-30 15:39:04 +0530 | [diff] [blame] | 3269 | test_tbf_update_ws(); |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 3270 | test_tbf_li_decoding(); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 3271 | test_tbf_epdan_out_of_rx_window(); |
aravind sirsikar | c0c3afd | 2016-11-09 16:27:00 +0530 | [diff] [blame] | 3272 | test_immediate_assign_rej(); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 3273 | test_tbf_egprs_two_phase_puan(); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 3274 | test_packet_access_rej_epdan(); |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 3275 | test_packet_access_rej_prr(); |
| 3276 | test_packet_access_rej_prr_no_other_tbfs(); |
Jacob Erlbeck | 67c3850 | 2015-05-11 10:32:40 +0200 | [diff] [blame] | 3277 | |
| 3278 | if (getenv("TALLOC_REPORT_FULL")) |
| 3279 | talloc_report_full(tall_pcu_ctx, stderr); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3280 | return EXIT_SUCCESS; |
| 3281 | } |
| 3282 | |
| 3283 | /* |
| 3284 | * stubs that should not be reached |
| 3285 | */ |
| 3286 | extern "C" { |
| 3287 | void l1if_pdch_req() { abort(); } |
| 3288 | void l1if_connect_pdch() { abort(); } |
| 3289 | void l1if_close_pdch() { abort(); } |
| 3290 | void l1if_open_pdch() { abort(); } |
| 3291 | } |