Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 1 | /* |
| 2 | * TbfTest.cpp |
| 3 | * |
| 4 | * Copyright (C) 2013 by Holger Hans Peter Freyther |
| 5 | * |
| 6 | * All Rights Reserved |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU Affero General Public License as published by |
| 10 | * the Free Software Foundation; either version 3 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Affero General Public License |
| 19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | #include "bts.h" |
| 24 | #include "tbf.h" |
| 25 | #include "gprs_debug.h" |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 26 | #include "pcu_utils.h" |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 27 | #include "gprs_bssgp_pcu.h" |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 28 | #include "pcu_l1_if.h" |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 29 | #include "decoding.h" |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 30 | |
| 31 | extern "C" { |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 32 | #include "pcu_vty.h" |
| 33 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 34 | #include <osmocom/core/application.h> |
| 35 | #include <osmocom/core/msgb.h> |
| 36 | #include <osmocom/core/talloc.h> |
| 37 | #include <osmocom/core/utils.h> |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 38 | #include <osmocom/vty/vty.h> |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 39 | #include <osmocom/gprs/protocol/gsm_04_60.h> |
bhargava | 959d1de | 2016-08-17 15:17:21 +0530 | [diff] [blame] | 40 | #include <osmocom/gsm/l1sap.h> |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 41 | } |
| 42 | |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 43 | #include <errno.h> |
| 44 | |
Philipp | d935d88 | 2016-11-07 13:07:36 +0100 | [diff] [blame] | 45 | #define DUMMY_FN 2654167 |
| 46 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 47 | void *tall_pcu_ctx; |
| 48 | int16_t spoof_mnc = 0, spoof_mcc = 0; |
| 49 | |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 50 | static void check_tbf(gprs_rlcmac_tbf *tbf) |
| 51 | { |
| 52 | OSMO_ASSERT(tbf); |
Jacob Erlbeck | 04e72d3 | 2015-08-13 18:36:56 +0200 | [diff] [blame] | 53 | if (tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)) |
| 54 | OSMO_ASSERT(tbf->T == 3191 || tbf->T == 3193); |
| 55 | if (tbf->state_is(GPRS_RLCMAC_RELEASING)) |
| 56 | OSMO_ASSERT(tbf->T != 0); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 57 | } |
| 58 | |
Jacob Erlbeck | ac89a55 | 2015-06-29 14:18:46 +0200 | [diff] [blame] | 59 | static void test_tbf_base() |
| 60 | { |
| 61 | |
| 62 | printf("=== start %s ===\n", __func__); |
| 63 | |
| 64 | OSMO_ASSERT(GPRS_RLCMAC_DL_TBF == reverse(GPRS_RLCMAC_UL_TBF)); |
| 65 | OSMO_ASSERT(GPRS_RLCMAC_UL_TBF == reverse(GPRS_RLCMAC_DL_TBF)); |
| 66 | |
| 67 | printf("=== end %s ===\n", __func__); |
| 68 | } |
| 69 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 70 | static void test_tbf_tlli_update() |
| 71 | { |
| 72 | BTS the_bts; |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 73 | GprsMs *ms, *ms_new; |
| 74 | |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 75 | printf("=== start %s ===\n", __func__); |
| 76 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 77 | the_bts.bts_data()->alloc_algorithm = alloc_algorithm_a; |
| 78 | the_bts.bts_data()->trx[0].pdch[2].enable(); |
| 79 | the_bts.bts_data()->trx[0].pdch[3].enable(); |
| 80 | |
| 81 | /* |
| 82 | * Make a uplink and downlink allocation |
| 83 | */ |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 84 | gprs_rlcmac_tbf *dl_tbf = tbf_alloc_dl_tbf(the_bts.bts_data(), |
Jacob Erlbeck | 5879c64 | 2015-07-10 10:41:36 +0200 | [diff] [blame] | 85 | NULL, |
Jacob Erlbeck | 86b6f05 | 2015-11-27 15:17:34 +0100 | [diff] [blame] | 86 | 0, 0, 0, 0); |
Jacob Erlbeck | c6d4cee | 2015-06-29 13:03:46 +0200 | [diff] [blame] | 87 | OSMO_ASSERT(dl_tbf != NULL); |
Jacob Erlbeck | be0cbc1 | 2015-05-18 14:35:11 +0200 | [diff] [blame] | 88 | dl_tbf->update_ms(0x2342, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 89 | dl_tbf->set_ta(4); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 90 | |
Daniel Willmann | 48aa0b0 | 2014-07-16 18:54:10 +0200 | [diff] [blame] | 91 | gprs_rlcmac_tbf *ul_tbf = tbf_alloc_ul_tbf(the_bts.bts_data(), |
Jacob Erlbeck | 5879c64 | 2015-07-10 10:41:36 +0200 | [diff] [blame] | 92 | dl_tbf->ms(), |
Jacob Erlbeck | 86b6f05 | 2015-11-27 15:17:34 +0100 | [diff] [blame] | 93 | 0, 0, 0, 0); |
Jacob Erlbeck | c6d4cee | 2015-06-29 13:03:46 +0200 | [diff] [blame] | 94 | OSMO_ASSERT(ul_tbf != NULL); |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 95 | ul_tbf->update_ms(0x2342, GPRS_RLCMAC_UL_TBF); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 96 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 97 | ms = the_bts.ms_by_tlli(0x2342); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 98 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 99 | OSMO_ASSERT(ms != NULL); |
| 100 | OSMO_ASSERT(ms->dl_tbf() == dl_tbf); |
| 101 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 102 | |
| 103 | /* |
| 104 | * Now check.. that DL changes and that the timing advance |
| 105 | * has changed. |
| 106 | */ |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 107 | dl_tbf->update_ms(0x4232, GPRS_RLCMAC_DL_TBF); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 108 | |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 109 | /* It is still there, since the new TLLI has not been used for UL yet */ |
| 110 | ms_new = the_bts.ms_by_tlli(0x2342); |
| 111 | OSMO_ASSERT(ms == ms_new); |
| 112 | |
| 113 | ms_new = the_bts.ms_by_tlli(0x4232); |
| 114 | OSMO_ASSERT(ms == ms_new); |
| 115 | OSMO_ASSERT(ms->dl_tbf() == dl_tbf); |
| 116 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 117 | |
| 118 | /* Now use the new TLLI for UL */ |
Jacob Erlbeck | 0e50ce6 | 2015-05-21 16:58:22 +0200 | [diff] [blame] | 119 | ul_tbf->update_ms(0x4232, GPRS_RLCMAC_UL_TBF); |
Jacob Erlbeck | 9399046 | 2015-05-15 15:50:43 +0200 | [diff] [blame] | 120 | ms_new = the_bts.ms_by_tlli(0x2342); |
| 121 | OSMO_ASSERT(ms_new == NULL); |
Holger Hans Peter Freyther | bc1626e | 2013-10-30 19:50:49 +0100 | [diff] [blame] | 122 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 123 | ms_new = the_bts.ms_by_tlli(0x4232); |
| 124 | OSMO_ASSERT(ms_new != NULL); |
| 125 | OSMO_ASSERT(ms_new->ta() == 4); |
| 126 | |
| 127 | OSMO_ASSERT(ul_tbf->ta() == 4); |
| 128 | OSMO_ASSERT(dl_tbf->ta() == 4); |
| 129 | |
| 130 | ul_tbf->set_ta(6); |
| 131 | |
| 132 | OSMO_ASSERT(ul_tbf->ta() == 6); |
| 133 | OSMO_ASSERT(dl_tbf->ta() == 6); |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 134 | |
| 135 | printf("=== end %s ===\n", __func__); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 136 | } |
| 137 | |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 138 | static uint8_t llc_data[200]; |
| 139 | |
| 140 | int pcu_sock_send(struct msgb *msg) |
| 141 | { |
| 142 | return 0; |
| 143 | } |
| 144 | |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 145 | 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] | 146 | { |
| 147 | gprs_rlcmac_bts *bts; |
| 148 | gprs_rlcmac_trx *trx; |
| 149 | |
| 150 | bts = the_bts->bts_data(); |
| 151 | bts->alloc_algorithm = alloc_algorithm_a; |
Jacob Erlbeck | a700dd9 | 2015-06-02 16:00:41 +0200 | [diff] [blame] | 152 | bts->initial_cs_dl = cs; |
| 153 | bts->initial_cs_ul = cs; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 154 | trx = &bts->trx[0]; |
| 155 | |
| 156 | trx->pdch[ts_no].enable(); |
Philipp | d935d88 | 2016-11-07 13:07:36 +0100 | [diff] [blame] | 157 | the_bts->set_current_frame_number(DUMMY_FN); |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 158 | } |
| 159 | |
| 160 | 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] | 161 | uint8_t egprs_ms_class, uint8_t *trx_no_) |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 162 | { |
| 163 | gprs_rlcmac_bts *bts; |
| 164 | int tfi; |
| 165 | uint8_t trx_no; |
| 166 | |
| 167 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 168 | |
| 169 | bts = the_bts->bts_data(); |
| 170 | |
| 171 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_DL_TBF, &trx_no, -1); |
| 172 | OSMO_ASSERT(tfi >= 0); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 173 | dl_tbf = tbf_alloc_dl_tbf(bts, NULL, trx_no, ms_class, egprs_ms_class, 1); |
Max | 9bbe160 | 2016-07-18 12:50:18 +0200 | [diff] [blame] | 174 | dl_tbf->set_ta(0); |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 175 | check_tbf(dl_tbf); |
| 176 | |
| 177 | /* "Establish" the DL TBF */ |
| 178 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_SEND_ASS; |
| 179 | dl_tbf->set_state(GPRS_RLCMAC_FLOW); |
| 180 | dl_tbf->m_wait_confirm = 0; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 181 | check_tbf(dl_tbf); |
| 182 | |
| 183 | *trx_no_ = trx_no; |
| 184 | |
| 185 | return dl_tbf; |
| 186 | } |
| 187 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 188 | static unsigned fn2bn(unsigned fn) |
| 189 | { |
| 190 | return (fn % 52) / 4; |
| 191 | } |
| 192 | |
| 193 | static unsigned fn_add_blocks(unsigned fn, unsigned blocks) |
| 194 | { |
| 195 | unsigned bn = fn2bn(fn) + blocks; |
| 196 | fn = fn - (fn % 52); |
| 197 | fn += bn * 4 + bn / 3; |
Max | 9dabfa2 | 2017-05-16 16:10:45 +0200 | [diff] [blame] | 198 | return fn % GSM_MAX_FN; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 199 | } |
| 200 | |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 201 | static void request_dl_rlc_block(struct gprs_rlcmac_bts *bts, |
Max | 878bd1f | 2016-07-20 13:05:05 +0200 | [diff] [blame] | 202 | uint8_t trx_no, uint8_t ts_no, |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 203 | uint32_t *fn, uint8_t *block_nr = NULL) |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 204 | { |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 205 | uint8_t bn = fn2bn(*fn); |
Max | 878bd1f | 2016-07-20 13:05:05 +0200 | [diff] [blame] | 206 | gprs_rlcmac_rcv_rts_block(bts, trx_no, ts_no, *fn, bn); |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 207 | *fn = fn_add_blocks(*fn, 1); |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 208 | bn += 1; |
| 209 | if (block_nr) |
| 210 | *block_nr = bn; |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 211 | } |
| 212 | |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 213 | static void request_dl_rlc_block(struct gprs_rlcmac_tbf *tbf, |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 214 | uint32_t *fn, uint8_t *block_nr = NULL) |
Jacob Erlbeck | 64921d2 | 2015-08-24 11:34:47 +0200 | [diff] [blame] | 215 | { |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 216 | request_dl_rlc_block(tbf->bts->bts_data(), tbf->trx->trx_no, |
Max | 878bd1f | 2016-07-20 13:05:05 +0200 | [diff] [blame] | 217 | tbf->control_ts, fn, block_nr); |
Jacob Erlbeck | 64921d2 | 2015-08-24 11:34:47 +0200 | [diff] [blame] | 218 | } |
| 219 | |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 220 | enum test_tbf_final_ack_mode { |
| 221 | TEST_MODE_STANDARD, |
| 222 | TEST_MODE_REVERSE_FREE |
| 223 | }; |
| 224 | |
| 225 | 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] | 226 | { |
| 227 | BTS the_bts; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 228 | uint8_t ts_no = 4; |
| 229 | unsigned i; |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 230 | uint8_t ms_class = 45; |
| 231 | uint32_t fn; |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 232 | uint8_t block_nr; |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 233 | uint8_t trx_no; |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 234 | GprsMs *ms; |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 235 | uint32_t tlli = 0xffeeddcc; |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 236 | |
| 237 | uint8_t rbb[64/8]; |
| 238 | |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 239 | printf("=== start %s ===\n", __func__); |
| 240 | |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 241 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 242 | gprs_rlcmac_tbf *new_tbf; |
| 243 | |
Jacob Erlbeck | a3e4509 | 2015-03-25 09:11:24 +0100 | [diff] [blame] | 244 | setup_bts(&the_bts, ts_no); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 245 | dl_tbf = create_dl_tbf(&the_bts, ms_class, 0, &trx_no); |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 246 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 247 | ms = dl_tbf->ms(); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 248 | |
| 249 | for (i = 0; i < sizeof(llc_data); i++) |
| 250 | llc_data[i] = i%256; |
| 251 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 252 | /* Schedule two LLC frames */ |
Daniel Willmann | 0f58af6 | 2014-09-19 11:57:21 +0200 | [diff] [blame] | 253 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 254 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 255 | |
| 256 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 257 | /* Send only a few RLC/MAC blocks */ |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 258 | fn = 0; |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 259 | do { |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 260 | /* Request to send one block */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 261 | request_dl_rlc_block(dl_tbf, &fn, &block_nr); |
Jacob Erlbeck | ee31090 | 2015-08-24 11:55:17 +0200 | [diff] [blame] | 262 | } while (block_nr < 3); |
Jacob Erlbeck | 64921d2 | 2015-08-24 11:34:47 +0200 | [diff] [blame] | 263 | |
Jacob Erlbeck | 2493c66 | 2015-03-25 10:05:34 +0100 | [diff] [blame] | 264 | OSMO_ASSERT(dl_tbf->have_data()); |
| 265 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 266 | |
| 267 | /* Queue a final ACK */ |
| 268 | memset(rbb, 0, sizeof(rbb)); |
| 269 | /* Receive a final ACK */ |
| 270 | dl_tbf->rcvd_dl_ack(1, 1, rbb); |
| 271 | |
| 272 | /* Clean up and ensure tbfs are in the correct state */ |
| 273 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 274 | new_tbf = ms->dl_tbf(); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 275 | check_tbf(new_tbf); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 276 | OSMO_ASSERT(new_tbf != dl_tbf); |
| 277 | OSMO_ASSERT(new_tbf->tfi() == 1); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 278 | check_tbf(dl_tbf); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 279 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 280 | if (test_mode == TEST_MODE_REVERSE_FREE) { |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 281 | GprsMs::Guard guard(ms); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 282 | tbf_free(new_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 283 | OSMO_ASSERT(ms->dl_tbf() == NULL); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 284 | check_tbf(dl_tbf); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 285 | tbf_free(dl_tbf); |
| 286 | } else { |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 287 | GprsMs::Guard guard(ms); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 288 | tbf_free(dl_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 289 | OSMO_ASSERT(ms->dl_tbf() == new_tbf); |
Jacob Erlbeck | 08fe76a | 2015-02-23 15:10:20 +0100 | [diff] [blame] | 290 | check_tbf(new_tbf); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 291 | tbf_free(new_tbf); |
Jacob Erlbeck | d3eac28 | 2015-05-22 15:47:55 +0200 | [diff] [blame] | 292 | OSMO_ASSERT(ms->dl_tbf() == NULL); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 293 | } |
Jacob Erlbeck | 53efa3e | 2016-01-11 16:12:01 +0100 | [diff] [blame] | 294 | |
| 295 | printf("=== end %s ===\n", __func__); |
Daniel Willmann | 510d7d3 | 2014-08-15 18:19:41 +0200 | [diff] [blame] | 296 | } |
| 297 | |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 298 | static void test_tbf_delayed_release() |
| 299 | { |
| 300 | BTS the_bts; |
| 301 | gprs_rlcmac_bts *bts; |
| 302 | uint8_t ts_no = 4; |
| 303 | unsigned i; |
| 304 | uint8_t ms_class = 45; |
| 305 | uint32_t fn = 0; |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 306 | uint8_t trx_no; |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 307 | uint32_t tlli = 0xffeeddcc; |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 308 | |
| 309 | uint8_t rbb[64/8]; |
| 310 | |
| 311 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 312 | |
| 313 | printf("=== start %s ===\n", __func__); |
| 314 | |
| 315 | bts = the_bts.bts_data(); |
| 316 | |
| 317 | setup_bts(&the_bts, ts_no); |
| 318 | bts->dl_tbf_idle_msec = 200; |
| 319 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 320 | dl_tbf = create_dl_tbf(&the_bts, ms_class, 0, &trx_no); |
Jacob Erlbeck | 1c68aba | 2015-05-22 15:40:08 +0200 | [diff] [blame] | 321 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 322 | |
| 323 | for (i = 0; i < sizeof(llc_data); i++) |
| 324 | llc_data[i] = i%256; |
| 325 | |
| 326 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 327 | |
| 328 | /* Schedule two LLC frames */ |
| 329 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 330 | dl_tbf->append_data(ms_class, 1000, llc_data, sizeof(llc_data)); |
| 331 | |
| 332 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 333 | |
| 334 | /* Drain the queue */ |
| 335 | while (dl_tbf->have_data()) |
| 336 | /* Request to send one RLC/MAC block */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 337 | request_dl_rlc_block(dl_tbf, &fn); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 338 | |
| 339 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 340 | |
| 341 | /* ACK all blocks */ |
| 342 | memset(rbb, 0xff, sizeof(rbb)); |
| 343 | /* Receive an ACK */ |
| 344 | dl_tbf->rcvd_dl_ack(0, dl_tbf->m_window.v_s(), rbb); |
| 345 | OSMO_ASSERT(dl_tbf->m_window.window_empty()); |
| 346 | |
| 347 | /* Force sending of a single block containing an LLC dummy command */ |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 348 | request_dl_rlc_block(dl_tbf, &fn); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 349 | |
| 350 | /* Receive an ACK */ |
| 351 | dl_tbf->rcvd_dl_ack(0, dl_tbf->m_window.v_s(), rbb); |
| 352 | OSMO_ASSERT(dl_tbf->m_window.window_empty()); |
| 353 | |
| 354 | /* Timeout (make sure fn % 52 remains valid) */ |
| 355 | 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] | 356 | request_dl_rlc_block(dl_tbf, &fn); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 357 | |
| 358 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FINISHED)); |
| 359 | |
| 360 | /* Receive a final ACK */ |
| 361 | dl_tbf->rcvd_dl_ack(1, dl_tbf->m_window.v_s(), rbb); |
| 362 | |
| 363 | /* Clean up and ensure tbfs are in the correct state */ |
| 364 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 365 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 366 | check_tbf(dl_tbf); |
| 367 | tbf_free(dl_tbf); |
| 368 | printf("=== end %s ===\n", __func__); |
| 369 | } |
| 370 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 371 | static void test_tbf_imsi() |
| 372 | { |
| 373 | BTS the_bts; |
| 374 | uint8_t ts_no = 4; |
| 375 | uint8_t ms_class = 45; |
| 376 | uint8_t trx_no; |
| 377 | GprsMs *ms1, *ms2; |
| 378 | |
| 379 | gprs_rlcmac_dl_tbf *dl_tbf[2]; |
| 380 | |
| 381 | printf("=== start %s ===\n", __func__); |
| 382 | |
| 383 | setup_bts(&the_bts, ts_no); |
| 384 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 385 | dl_tbf[0] = create_dl_tbf(&the_bts, ms_class, 0, &trx_no); |
| 386 | 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] | 387 | |
| 388 | dl_tbf[0]->update_ms(0xf1000001, GPRS_RLCMAC_DL_TBF); |
| 389 | dl_tbf[1]->update_ms(0xf1000002, GPRS_RLCMAC_DL_TBF); |
| 390 | |
| 391 | dl_tbf[0]->assign_imsi("001001000000001"); |
| 392 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000001"); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 393 | OSMO_ASSERT(ms1 != NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 394 | ms2 = the_bts.ms_store().get_ms(0xf1000001); |
| 395 | OSMO_ASSERT(ms2 != NULL); |
| 396 | OSMO_ASSERT(strcmp(ms2->imsi(), "001001000000001") == 0); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 397 | OSMO_ASSERT(ms1 == ms2); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 398 | |
| 399 | /* change the IMSI on TBF 0 */ |
| 400 | dl_tbf[0]->assign_imsi("001001000000002"); |
| 401 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000001"); |
| 402 | OSMO_ASSERT(ms1 == NULL); |
| 403 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 404 | OSMO_ASSERT(ms1 != NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 405 | OSMO_ASSERT(strcmp(ms2->imsi(), "001001000000002") == 0); |
Jacob Erlbeck | 7b9f825 | 2015-05-21 11:07:53 +0200 | [diff] [blame] | 406 | OSMO_ASSERT(ms1 == ms2); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 407 | |
| 408 | /* use the same IMSI on TBF 2 */ |
Jacob Erlbeck | 28c40b1 | 2015-08-16 18:19:32 +0200 | [diff] [blame] | 409 | { |
| 410 | GprsMs::Guard guard(ms2); |
| 411 | dl_tbf[1]->assign_imsi("001001000000002"); |
| 412 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
| 413 | OSMO_ASSERT(ms1 != NULL); |
| 414 | OSMO_ASSERT(ms1 != ms2); |
| 415 | OSMO_ASSERT(strcmp(ms1->imsi(), "001001000000002") == 0); |
| 416 | OSMO_ASSERT(strcmp(ms2->imsi(), "") == 0); |
| 417 | } |
| 418 | |
| 419 | ms2 = the_bts.ms_store().get_ms(0xf1000001); |
| 420 | OSMO_ASSERT(ms2 == NULL); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 421 | |
| 422 | tbf_free(dl_tbf[1]); |
| 423 | ms1 = the_bts.ms_store().get_ms(0, 0, "001001000000002"); |
| 424 | OSMO_ASSERT(ms1 == NULL); |
| 425 | |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 426 | printf("=== end %s ===\n", __func__); |
| 427 | } |
| 428 | |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 429 | static void test_tbf_exhaustion() |
| 430 | { |
| 431 | BTS the_bts; |
| 432 | gprs_rlcmac_bts *bts; |
| 433 | unsigned i; |
| 434 | uint8_t ts_no = 4; |
| 435 | uint8_t ms_class = 45; |
| 436 | int rc = 0; |
| 437 | |
| 438 | uint8_t buf[256] = {0}; |
| 439 | |
| 440 | printf("=== start %s ===\n", __func__); |
| 441 | |
| 442 | bts = the_bts.bts_data(); |
| 443 | setup_bts(&the_bts, ts_no); |
| 444 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 445 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 446 | |
| 447 | for (i = 0; i < 1024; i++) { |
| 448 | uint32_t tlli = 0xc0000000 + i; |
| 449 | char imsi[16] = {0}; |
| 450 | unsigned delay_csec = 1000; |
| 451 | |
Jacob Erlbeck | 9a2845d | 2015-05-21 12:06:58 +0200 | [diff] [blame] | 452 | snprintf(imsi, sizeof(imsi), "001001%09d", i); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 453 | |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 454 | 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] | 455 | delay_csec, buf, sizeof(buf)); |
| 456 | |
| 457 | if (rc < 0) |
| 458 | break; |
| 459 | } |
| 460 | |
| 461 | OSMO_ASSERT(rc == -EBUSY); |
| 462 | printf("=== end %s ===\n", __func__); |
| 463 | |
| 464 | gprs_bssgp_destroy(); |
| 465 | } |
| 466 | |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 467 | static void test_tbf_dl_llc_loss() |
| 468 | { |
| 469 | BTS the_bts; |
| 470 | gprs_rlcmac_bts *bts; |
| 471 | uint8_t ts_no = 4; |
| 472 | uint8_t ms_class = 45; |
| 473 | int rc = 0; |
| 474 | uint32_t tlli = 0xc0123456; |
| 475 | const char *imsi = "001001000123456"; |
| 476 | unsigned delay_csec = 1000; |
| 477 | GprsMs *ms; |
| 478 | |
| 479 | uint8_t buf[19]; |
| 480 | |
| 481 | printf("=== start %s ===\n", __func__); |
| 482 | |
| 483 | bts = the_bts.bts_data(); |
| 484 | setup_bts(&the_bts, ts_no); |
| 485 | bts->ms_idle_sec = 10; /* keep the MS object */ |
| 486 | |
| 487 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 488 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 489 | |
| 490 | /* Handle LLC frame 1 */ |
| 491 | memset(buf, 1, sizeof(buf)); |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 492 | 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] | 493 | delay_csec, buf, sizeof(buf)); |
| 494 | OSMO_ASSERT(rc >= 0); |
| 495 | |
| 496 | ms = the_bts.ms_store().get_ms(0, 0, imsi); |
| 497 | OSMO_ASSERT(ms != NULL); |
| 498 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
Max | 9bbe160 | 2016-07-18 12:50:18 +0200 | [diff] [blame] | 499 | ms->dl_tbf()->set_ta(0); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 500 | |
| 501 | /* Handle LLC frame 2 */ |
| 502 | memset(buf, 2, sizeof(buf)); |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 503 | 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] | 504 | delay_csec, buf, sizeof(buf)); |
| 505 | OSMO_ASSERT(rc >= 0); |
| 506 | |
| 507 | /* TBF establishment fails (timeout) */ |
| 508 | tbf_free(ms->dl_tbf()); |
| 509 | |
| 510 | /* Handle LLC frame 3 */ |
| 511 | memset(buf, 3, sizeof(buf)); |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 512 | 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] | 513 | delay_csec, buf, sizeof(buf)); |
| 514 | OSMO_ASSERT(rc >= 0); |
| 515 | |
| 516 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
| 517 | |
| 518 | /* Get first BSN */ |
| 519 | struct msgb *msg; |
| 520 | int fn = 0; |
| 521 | uint8_t expected_data = 1; |
| 522 | |
| 523 | while (ms->dl_tbf()->have_data()) { |
| 524 | msg = ms->dl_tbf()->create_dl_acked_block(fn += 4, 7); |
| 525 | fprintf(stderr, "MSG = %s\n", msgb_hexdump(msg)); |
| 526 | OSMO_ASSERT(msgb_length(msg) == 23); |
Jacob Erlbeck | 409efa1 | 2015-06-12 14:06:09 +0200 | [diff] [blame] | 527 | OSMO_ASSERT(msgb_data(msg)[10] == expected_data); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 528 | expected_data += 1; |
| 529 | } |
Jacob Erlbeck | 409efa1 | 2015-06-12 14:06:09 +0200 | [diff] [blame] | 530 | OSMO_ASSERT(expected_data-1 == 3); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 531 | |
| 532 | printf("=== end %s ===\n", __func__); |
| 533 | |
| 534 | gprs_bssgp_destroy(); |
| 535 | } |
| 536 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 537 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_single_phase(BTS *the_bts, |
| 538 | 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] | 539 | { |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 540 | GprsMs *ms; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 541 | int tfi = 0; |
| 542 | gprs_rlcmac_ul_tbf *ul_tbf; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 543 | uint8_t trx_no = 0; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 544 | struct gprs_rlcmac_pdch *pdch; |
Jacob Erlbeck | 20f6fd1 | 2015-06-08 11:05:45 +0200 | [diff] [blame] | 545 | struct pcu_l1_meas meas; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 546 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 547 | 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] | 548 | |
bhargava | 959d1de | 2016-08-17 15:17:21 +0530 | [diff] [blame] | 549 | 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] | 550 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 551 | 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] | 552 | OSMO_ASSERT(ul_tbf != NULL); |
| 553 | |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 554 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 555 | |
| 556 | uint8_t data_msg[23] = { |
| 557 | 0x00, /* GPRS_RLCMAC_DATA_BLOCK << 6 */ |
| 558 | uint8_t(1 | (tfi << 2)), |
| 559 | uint8_t(1), /* BSN:7, E:1 */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 560 | uint8_t(tlli >> 24), uint8_t(tlli >> 16), |
| 561 | uint8_t(tlli >> 8), uint8_t(tlli), /* TLLI */ |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 562 | }; |
| 563 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 564 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 565 | pdch->rcv_block(&data_msg[0], sizeof(data_msg), *fn, &meas); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 566 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 567 | ms = the_bts->ms_by_tlli(tlli); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 568 | OSMO_ASSERT(ms != NULL); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 569 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 570 | return ul_tbf; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 571 | } |
| 572 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 573 | static void send_ul_mac_block(BTS *the_bts, unsigned trx_no, unsigned ts_no, |
| 574 | RlcMacUplink_t *ulreq, unsigned fn) |
| 575 | { |
| 576 | bitvec *rlc_block; |
| 577 | uint8_t buf[64]; |
| 578 | int num_bytes; |
| 579 | struct gprs_rlcmac_pdch *pdch; |
| 580 | struct pcu_l1_meas meas; |
| 581 | |
| 582 | meas.set_rssi(31); |
| 583 | |
Alexander Couzens | ccde5c9 | 2017-02-04 03:10:08 +0100 | [diff] [blame] | 584 | rlc_block = bitvec_alloc(23, tall_pcu_ctx); |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 585 | |
| 586 | encode_gsm_rlcmac_uplink(rlc_block, ulreq); |
| 587 | num_bytes = bitvec_pack(rlc_block, &buf[0]); |
| 588 | OSMO_ASSERT(size_t(num_bytes) < sizeof(buf)); |
| 589 | bitvec_free(rlc_block); |
| 590 | |
Jacob Erlbeck | af75ce8 | 2015-08-26 13:22:28 +0200 | [diff] [blame] | 591 | the_bts->set_current_block_frame_number(fn, 0); |
| 592 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 593 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 594 | pdch->rcv_block(&buf[0], num_bytes, fn, &meas); |
| 595 | } |
| 596 | |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 597 | static void send_control_ack(gprs_rlcmac_tbf *tbf) |
| 598 | { |
| 599 | RlcMacUplink_t ulreq = {0}; |
| 600 | |
| 601 | OSMO_ASSERT(tbf->poll_fn != 0); |
Jacob Erlbeck | 8eb1714 | 2016-01-22 17:58:17 +0100 | [diff] [blame] | 602 | OSMO_ASSERT(tbf->is_control_ts(tbf->poll_ts)); |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 603 | |
| 604 | ulreq.u.MESSAGE_TYPE = MT_PACKET_CONTROL_ACK; |
| 605 | Packet_Control_Acknowledgement_t *ctrl_ack = |
| 606 | &ulreq.u.Packet_Control_Acknowledgement; |
| 607 | |
| 608 | ctrl_ack->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 609 | ctrl_ack->TLLI = tbf->tlli(); |
Jacob Erlbeck | 8eb1714 | 2016-01-22 17:58:17 +0100 | [diff] [blame] | 610 | 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] | 611 | &ulreq, tbf->poll_fn); |
| 612 | } |
| 613 | |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 614 | static gprs_rlcmac_ul_tbf *puan_urbb_len_issue(BTS *the_bts, |
| 615 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 616 | uint8_t ms_class, uint8_t egprs_ms_class) |
| 617 | { |
| 618 | GprsMs *ms; |
| 619 | uint32_t rach_fn = *fn - 51; |
| 620 | uint32_t sba_fn = *fn + 52; |
| 621 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 622 | int tfi = 0; |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 623 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 624 | struct gprs_rlcmac_pdch *pdch; |
| 625 | gprs_rlcmac_bts *bts; |
| 626 | RlcMacUplink_t ulreq = {0}; |
| 627 | struct pcu_l1_meas meas; |
| 628 | struct gprs_rlc_ul_header_egprs_3 *egprs3 = NULL; |
| 629 | GprsCodingScheme cs; |
| 630 | |
| 631 | meas.set_rssi(31); |
| 632 | bts = the_bts->bts_data(); |
| 633 | |
| 634 | /* needed to set last_rts_fn in the PDCH object */ |
| 635 | request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| 636 | |
| 637 | /* |
| 638 | * simulate RACH, this sends an Immediate |
| 639 | * Assignment Uplink on the AGCH |
| 640 | */ |
Aravind Sirsikar | fd71384 | 2016-08-28 17:55:05 +0530 | [diff] [blame] | 641 | 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] | 642 | |
| 643 | /* get next free TFI */ |
| 644 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| 645 | |
| 646 | /* fake a resource request */ |
| 647 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 648 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 649 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 650 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
| 651 | ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability = 1; |
| 652 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 653 | Count_MS_RA_capability_value = 1; |
| 654 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 655 | MS_RA_capability_value[0].u.Content. |
| 656 | Exist_Multislot_capability = 1; |
| 657 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 658 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 659 | Exist_GPRS_multislot_class = 1; |
| 660 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 661 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 662 | GPRS_multislot_class = ms_class; |
| 663 | if (egprs_ms_class) { |
| 664 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 665 | MS_RA_capability_value[0].u.Content. |
| 666 | Multislot_capability.Exist_EGPRS_multislot_class = 1; |
| 667 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 668 | MS_RA_capability_value[0].u.Content. |
| 669 | Multislot_capability.EGPRS_multislot_class = ms_class; |
| 670 | } |
| 671 | |
| 672 | send_ul_mac_block(the_bts, trx_no, ts_no, &ulreq, sba_fn); |
| 673 | |
| 674 | /* check the TBF */ |
| 675 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
| 676 | OSMO_ASSERT(ul_tbf); |
| 677 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 678 | |
| 679 | /* send packet uplink assignment */ |
| 680 | *fn = sba_fn; |
| 681 | request_dl_rlc_block(ul_tbf, fn); |
| 682 | |
| 683 | /* send real acknowledgement */ |
| 684 | send_control_ack(ul_tbf); |
| 685 | |
| 686 | check_tbf(ul_tbf); |
| 687 | /* send fake data */ |
| 688 | uint8_t data_msg[42] = { |
| 689 | 0xf << 2, /* GPRS_RLCMAC_DATA_BLOCK << 6, CV = 15 */ |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 690 | (uint8_t)(tfi << 1), |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 691 | 1, /* BSN:7, E:1 */ |
| 692 | }; |
| 693 | |
| 694 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 695 | pdch->rcv_block(&data_msg[0], 23, *fn, &meas); |
| 696 | |
| 697 | ms = the_bts->ms_by_tlli(tlli); |
| 698 | OSMO_ASSERT(ms != NULL); |
| 699 | OSMO_ASSERT(ms->ta() == qta/4); |
| 700 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 701 | |
| 702 | /* |
| 703 | * TS 44.060, B.8.1 |
| 704 | * first seg received first, later second seg |
| 705 | */ |
| 706 | cs = GprsCodingScheme::MCS3; |
| 707 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 708 | egprs3->si = 0; |
| 709 | egprs3->r = 1; |
| 710 | egprs3->cv = 7; |
| 711 | egprs3->tfi_hi = tfi & 0x03; |
| 712 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 713 | egprs3->bsn1_hi = 1; |
| 714 | egprs3->bsn1_lo = 0; |
| 715 | egprs3->cps_hi = 1; |
| 716 | data_msg[3] = 0xff; |
| 717 | egprs3->pi = 0; |
| 718 | egprs3->cps_lo = 1; |
| 719 | egprs3->rsb = 0; |
| 720 | egprs3->spb = 0; |
| 721 | egprs3->pi = 0; |
| 722 | |
| 723 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 724 | |
| 725 | struct msgb *msg1 = ul_tbf->create_ul_ack(*fn, ts_no); |
| 726 | |
| 727 | OSMO_ASSERT(!strcmp(osmo_hexdump(msg1->data, msg1->data_len), |
| 728 | "40 24 01 3f 3e 24 46 68 90 87 b0 06 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b " |
| 729 | )); |
| 730 | |
| 731 | egprs3->si = 0; |
| 732 | egprs3->r = 1; |
| 733 | egprs3->cv = 7; |
| 734 | egprs3->tfi_hi = tfi & 0x03; |
| 735 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 736 | egprs3->bsn1_hi = 4; |
| 737 | egprs3->bsn1_lo = 0; |
| 738 | egprs3->cps_hi = 1; |
| 739 | data_msg[3] = 0xff; |
| 740 | egprs3->pi = 0; |
| 741 | egprs3->cps_lo = 1; |
| 742 | egprs3->rsb = 0; |
| 743 | egprs3->spb = 0; |
| 744 | |
| 745 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 746 | |
| 747 | msg1 = ul_tbf->create_ul_ack(*fn, ts_no); |
| 748 | |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 749 | OSMO_ASSERT(!strcmp(osmo_hexdump(msg1->data, msg1->data_len), |
Aravind Sirsikar | eebcb1e | 2016-08-25 16:40:23 +0530 | [diff] [blame] | 750 | "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] | 751 | )); |
| 752 | |
| 753 | return ul_tbf; |
| 754 | } |
| 755 | |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 756 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_spb(BTS *the_bts, |
| 757 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 758 | uint8_t ms_class, uint8_t egprs_ms_class) |
| 759 | { |
| 760 | GprsMs *ms; |
| 761 | uint32_t rach_fn = *fn - 51; |
| 762 | uint32_t sba_fn = *fn + 52; |
| 763 | uint8_t trx_no = 0; |
| 764 | int tfi = 0, i = 0; |
| 765 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 766 | struct gprs_rlcmac_pdch *pdch; |
| 767 | gprs_rlcmac_bts *bts; |
| 768 | RlcMacUplink_t ulreq = {0}; |
| 769 | struct pcu_l1_meas meas; |
| 770 | struct gprs_rlc_ul_header_egprs_3 *egprs3 = NULL; |
| 771 | GprsCodingScheme cs; |
| 772 | |
| 773 | meas.set_rssi(31); |
| 774 | bts = the_bts->bts_data(); |
| 775 | |
| 776 | /* needed to set last_rts_fn in the PDCH object */ |
| 777 | request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| 778 | |
| 779 | /* |
| 780 | * simulate RACH, this sends an Immediate |
| 781 | * Assignment Uplink on the AGCH |
| 782 | */ |
bhargava | 959d1de | 2016-08-17 15:17:21 +0530 | [diff] [blame] | 783 | 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] | 784 | |
| 785 | /* get next free TFI */ |
| 786 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| 787 | |
| 788 | /* fake a resource request */ |
| 789 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 790 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 791 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 792 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
| 793 | ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability = 1; |
| 794 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 795 | Count_MS_RA_capability_value = 1; |
| 796 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 797 | MS_RA_capability_value[0].u.Content. |
| 798 | Exist_Multislot_capability = 1; |
| 799 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 800 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 801 | Exist_GPRS_multislot_class = 1; |
| 802 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 803 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 804 | GPRS_multislot_class = ms_class; |
| 805 | if (egprs_ms_class) { |
| 806 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 807 | MS_RA_capability_value[0].u.Content. |
| 808 | Multislot_capability.Exist_EGPRS_multislot_class = 1; |
| 809 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 810 | MS_RA_capability_value[0].u.Content. |
| 811 | Multislot_capability.EGPRS_multislot_class = ms_class; |
| 812 | } |
| 813 | |
| 814 | send_ul_mac_block(the_bts, trx_no, ts_no, &ulreq, sba_fn); |
| 815 | |
| 816 | /* check the TBF */ |
| 817 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
| 818 | OSMO_ASSERT(ul_tbf != NULL); |
| 819 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 820 | |
| 821 | /* send packet uplink assignment */ |
| 822 | *fn = sba_fn; |
| 823 | request_dl_rlc_block(ul_tbf, fn); |
| 824 | |
| 825 | /* send real acknowledgement */ |
| 826 | send_control_ack(ul_tbf); |
| 827 | |
| 828 | check_tbf(ul_tbf); |
| 829 | |
| 830 | /* send fake data */ |
| 831 | uint8_t data_msg[42] = { |
| 832 | 0x00 | 0xf << 2, /* GPRS_RLCMAC_DATA_BLOCK << 6, CV = 15 */ |
| 833 | uint8_t(0 | (tfi << 1)), |
| 834 | uint8_t(1), /* BSN:7, E:1 */ |
| 835 | }; |
| 836 | |
| 837 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 838 | pdch->rcv_block(&data_msg[0], 23, *fn, &meas); |
| 839 | |
| 840 | ms = the_bts->ms_by_tlli(tlli); |
| 841 | OSMO_ASSERT(ms != NULL); |
| 842 | OSMO_ASSERT(ms->ta() == qta/4); |
| 843 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 844 | |
| 845 | /* |
| 846 | * TS 44.060, B.8.1 |
| 847 | * first seg received first, later second seg |
| 848 | */ |
| 849 | cs = GprsCodingScheme::MCS3; |
| 850 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 851 | egprs3->si = 1; |
| 852 | egprs3->r = 1; |
| 853 | egprs3->cv = 7; |
| 854 | egprs3->tfi_hi = tfi & 0x03; |
| 855 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 856 | egprs3->bsn1_hi = 1; |
| 857 | egprs3->bsn1_lo = 0; |
| 858 | egprs3->cps_hi = 1; |
| 859 | data_msg[3] = 0xff; |
| 860 | egprs3->pi = 0; |
| 861 | egprs3->cps_lo = 1; |
| 862 | egprs3->rsb = 0; |
| 863 | egprs3->spb = 2; |
| 864 | egprs3->pi = 0; |
| 865 | |
| 866 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 867 | |
| 868 | struct gprs_rlc_data *block = ul_tbf->m_rlc.block(1); |
| 869 | |
| 870 | /* check the status of the block */ |
| 871 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 872 | EGPRS_RESEG_FIRST_SEG_RXD); |
| 873 | |
| 874 | egprs3->si = 1; |
| 875 | egprs3->r = 1; |
| 876 | egprs3->cv = 7; |
| 877 | egprs3->tfi_hi = tfi & 0x03; |
| 878 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 879 | egprs3->bsn1_hi = 1; |
| 880 | egprs3->bsn1_lo = 0; |
| 881 | egprs3->cps_hi = 1; |
| 882 | data_msg[3] = 0xff; |
| 883 | egprs3->pi = 0; |
| 884 | egprs3->cps_lo = 1; |
| 885 | egprs3->rsb = 0; |
| 886 | egprs3->spb = 3; |
| 887 | |
| 888 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 889 | |
| 890 | /* check the status of the block */ |
| 891 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 892 | EGPRS_RESEG_DEFAULT); |
| 893 | OSMO_ASSERT(block->cs_last == |
| 894 | GprsCodingScheme::MCS6); |
| 895 | /* Assembled MCS is MCS6. so the size is 74 */ |
| 896 | OSMO_ASSERT(block->len == 74); |
| 897 | |
| 898 | /* |
| 899 | * TS 44.060, B.8.1 |
| 900 | * second seg first, later first seg |
| 901 | */ |
| 902 | memset(data_msg, 0, sizeof(data_msg)); |
| 903 | |
| 904 | cs = GprsCodingScheme::MCS3; |
| 905 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 906 | egprs3->si = 1; |
| 907 | egprs3->r = 1; |
| 908 | egprs3->cv = 7; |
| 909 | egprs3->tfi_hi = tfi & 0x03; |
| 910 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 911 | egprs3->bsn1_hi = 2; |
| 912 | egprs3->bsn1_lo = 0; |
| 913 | egprs3->cps_hi = 1; |
| 914 | data_msg[3] = 0xff; |
| 915 | egprs3->pi = 0; |
| 916 | egprs3->cps_lo = 1; |
| 917 | egprs3->rsb = 0; |
| 918 | egprs3->spb = 3; |
| 919 | egprs3->pi = 0; |
| 920 | |
| 921 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 922 | |
| 923 | block = ul_tbf->m_rlc.block(2); |
| 924 | /* check the status of the block */ |
| 925 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 926 | EGPRS_RESEG_SECOND_SEG_RXD); |
| 927 | |
| 928 | egprs3->si = 1; |
| 929 | egprs3->r = 1; |
| 930 | egprs3->cv = 7; |
| 931 | egprs3->tfi_hi = tfi & 0x03; |
| 932 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 933 | egprs3->bsn1_hi = 2; |
| 934 | egprs3->bsn1_lo = 0; |
| 935 | egprs3->cps_hi = 1; |
| 936 | data_msg[3] = 0xff; |
| 937 | egprs3->pi = 0; |
| 938 | egprs3->cps_lo = 1; |
| 939 | egprs3->rsb = 0; |
| 940 | egprs3->spb = 2; |
| 941 | egprs3->pi = 0; |
| 942 | |
| 943 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 944 | |
| 945 | /* check the status of the block */ |
| 946 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 947 | EGPRS_RESEG_DEFAULT); |
| 948 | OSMO_ASSERT(block->cs_last == |
| 949 | GprsCodingScheme::MCS6); |
| 950 | /* Assembled MCS is MCS6. so the size is 74 */ |
| 951 | OSMO_ASSERT(block->len == 74); |
| 952 | |
| 953 | /* |
| 954 | * TS 44.060, B.8.1 |
| 955 | * Error scenario with spb as 1 |
| 956 | */ |
| 957 | cs = GprsCodingScheme::MCS3; |
| 958 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 959 | egprs3->si = 1; |
| 960 | egprs3->r = 1; |
| 961 | egprs3->cv = 7; |
| 962 | egprs3->tfi_hi = tfi & 0x03; |
| 963 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 964 | egprs3->bsn1_hi = 3; |
| 965 | egprs3->bsn1_lo = 0; |
| 966 | egprs3->cps_hi = 1; |
| 967 | data_msg[3] = 0xff; |
| 968 | egprs3->pi = 0; |
| 969 | egprs3->cps_lo = 1; |
| 970 | egprs3->rsb = 0; |
| 971 | egprs3->spb = 1; |
| 972 | egprs3->pi = 0; |
| 973 | |
| 974 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 975 | |
| 976 | block = ul_tbf->m_rlc.block(3); |
| 977 | /* check the status of the block */ |
| 978 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 979 | EGPRS_RESEG_DEFAULT); |
| 980 | /* |
| 981 | * TS 44.060, B.8.1 |
| 982 | * comparison of rlc_data for multiple scenarios |
| 983 | * Receive First, the second(BSN 3) |
| 984 | * Receive First, First then Second(BSN 4) |
| 985 | * Receive Second then First(BSN 5) |
| 986 | * after above 3 scenarios are triggered, |
| 987 | * rlc_data of all 3 BSN are compared |
| 988 | */ |
| 989 | |
| 990 | /* Initialize the data_msg */ |
| 991 | for (i = 0; i < 42; i++) |
| 992 | data_msg[i] = i; |
| 993 | |
| 994 | cs = GprsCodingScheme::MCS3; |
| 995 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 996 | egprs3->si = 1; |
| 997 | egprs3->r = 1; |
| 998 | egprs3->cv = 7; |
| 999 | egprs3->tfi_hi = tfi & 0x03; |
| 1000 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1001 | egprs3->bsn1_hi = 3; |
| 1002 | egprs3->bsn1_lo = 0; |
| 1003 | egprs3->cps_hi = 1; |
| 1004 | data_msg[3] = 0xff; |
| 1005 | egprs3->pi = 0; |
| 1006 | egprs3->cps_lo = 1; |
| 1007 | egprs3->rsb = 0; |
| 1008 | egprs3->spb = 2; |
| 1009 | egprs3->pi = 0; |
| 1010 | |
| 1011 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1012 | |
| 1013 | block = ul_tbf->m_rlc.block(3); |
| 1014 | /* check the status of the block */ |
| 1015 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1016 | EGPRS_RESEG_FIRST_SEG_RXD); |
| 1017 | |
| 1018 | cs = GprsCodingScheme::MCS3; |
| 1019 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1020 | egprs3->si = 1; |
| 1021 | egprs3->r = 1; |
| 1022 | egprs3->cv = 7; |
| 1023 | egprs3->tfi_hi = tfi & 0x03; |
| 1024 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1025 | egprs3->bsn1_hi = 3; |
| 1026 | egprs3->bsn1_lo = 0; |
| 1027 | egprs3->cps_hi = 1; |
| 1028 | data_msg[3] = 0xff; |
| 1029 | egprs3->pi = 0; |
| 1030 | egprs3->cps_lo = 1; |
| 1031 | egprs3->rsb = 0; |
| 1032 | egprs3->spb = 3; |
| 1033 | egprs3->pi = 0; |
| 1034 | |
| 1035 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1036 | |
| 1037 | block = ul_tbf->m_rlc.block(3); |
| 1038 | /* check the status of the block */ |
| 1039 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1040 | EGPRS_RESEG_DEFAULT); |
| 1041 | /* Assembled MCS is MCS6. so the size is 74 */ |
| 1042 | OSMO_ASSERT(block->len == 74); |
| 1043 | OSMO_ASSERT(block->cs_last == |
| 1044 | GprsCodingScheme::MCS6); |
| 1045 | |
| 1046 | cs = GprsCodingScheme::MCS3; |
| 1047 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1048 | egprs3->si = 1; |
| 1049 | egprs3->r = 1; |
| 1050 | egprs3->cv = 7; |
| 1051 | egprs3->tfi_hi = tfi & 0x03; |
| 1052 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1053 | egprs3->bsn1_hi = 4; |
| 1054 | egprs3->bsn1_lo = 0; |
| 1055 | egprs3->cps_hi = 1; |
| 1056 | data_msg[3] = 0xff; |
| 1057 | egprs3->pi = 0; |
| 1058 | egprs3->cps_lo = 1; |
| 1059 | egprs3->rsb = 0; |
| 1060 | egprs3->spb = 2; |
| 1061 | egprs3->pi = 0; |
| 1062 | |
| 1063 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1064 | |
| 1065 | block = ul_tbf->m_rlc.block(4); |
| 1066 | /* check the status of the block */ |
| 1067 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1068 | EGPRS_RESEG_FIRST_SEG_RXD); |
| 1069 | |
| 1070 | cs = GprsCodingScheme::MCS3; |
| 1071 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1072 | egprs3->si = 1; |
| 1073 | egprs3->r = 1; |
| 1074 | egprs3->cv = 7; |
| 1075 | egprs3->tfi_hi = tfi & 0x03; |
| 1076 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1077 | egprs3->bsn1_hi = 4; |
| 1078 | egprs3->bsn1_lo = 0; |
| 1079 | egprs3->cps_hi = 1; |
| 1080 | data_msg[3] = 0xff; |
| 1081 | egprs3->pi = 0; |
| 1082 | egprs3->cps_lo = 1; |
| 1083 | egprs3->rsb = 0; |
| 1084 | egprs3->spb = 2; |
| 1085 | egprs3->pi = 0; |
| 1086 | |
| 1087 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1088 | |
| 1089 | block = ul_tbf->m_rlc.block(4); |
| 1090 | /* check the status of the block */ |
| 1091 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1092 | EGPRS_RESEG_FIRST_SEG_RXD); |
| 1093 | |
| 1094 | cs = GprsCodingScheme::MCS3; |
| 1095 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1096 | egprs3->si = 1; |
| 1097 | egprs3->r = 1; |
| 1098 | egprs3->cv = 7; |
| 1099 | egprs3->tfi_hi = tfi & 0x03; |
| 1100 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1101 | egprs3->bsn1_hi = 4; |
| 1102 | egprs3->bsn1_lo = 0; |
| 1103 | egprs3->cps_hi = 1; |
| 1104 | data_msg[3] = 0xff; |
| 1105 | egprs3->pi = 0; |
| 1106 | egprs3->cps_lo = 1; |
| 1107 | egprs3->rsb = 0; |
| 1108 | egprs3->spb = 3; |
| 1109 | egprs3->pi = 0; |
| 1110 | |
| 1111 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1112 | |
| 1113 | block = ul_tbf->m_rlc.block(4); |
| 1114 | /* check the status of the block */ |
| 1115 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1116 | EGPRS_RESEG_DEFAULT); |
| 1117 | OSMO_ASSERT(block->cs_last == |
| 1118 | GprsCodingScheme::MCS6); |
| 1119 | /* Assembled MCS is MCS6. so the size is 74 */ |
| 1120 | OSMO_ASSERT(block->len == 74); |
| 1121 | |
| 1122 | cs = GprsCodingScheme::MCS3; |
| 1123 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1124 | egprs3->si = 1; |
| 1125 | egprs3->r = 1; |
| 1126 | egprs3->cv = 7; |
| 1127 | egprs3->tfi_hi = tfi & 0x03; |
| 1128 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1129 | egprs3->bsn1_hi = 5; |
| 1130 | egprs3->bsn1_lo = 0; |
| 1131 | egprs3->cps_hi = 1; |
| 1132 | data_msg[3] = 0xff; |
| 1133 | egprs3->pi = 0; |
| 1134 | egprs3->cps_lo = 1; |
| 1135 | egprs3->rsb = 0; |
| 1136 | egprs3->spb = 3; |
| 1137 | egprs3->pi = 0; |
| 1138 | |
| 1139 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1140 | |
| 1141 | block = ul_tbf->m_rlc.block(5); |
| 1142 | /* check the status of the block */ |
| 1143 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1144 | EGPRS_RESEG_SECOND_SEG_RXD); |
| 1145 | |
| 1146 | cs = GprsCodingScheme::MCS3; |
| 1147 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 1148 | egprs3->si = 1; |
| 1149 | egprs3->r = 1; |
| 1150 | egprs3->cv = 7; |
| 1151 | egprs3->tfi_hi = tfi & 0x03; |
| 1152 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 1153 | egprs3->bsn1_hi = 5; |
| 1154 | egprs3->bsn1_lo = 0; |
| 1155 | egprs3->cps_hi = 1; |
| 1156 | data_msg[3] = 0xff; |
| 1157 | egprs3->pi = 0; |
| 1158 | egprs3->cps_lo = 1; |
| 1159 | egprs3->rsb = 0; |
| 1160 | egprs3->spb = 2; |
| 1161 | egprs3->pi = 0; |
| 1162 | |
| 1163 | pdch->rcv_block(data_msg, 42, *fn, &meas); |
| 1164 | |
| 1165 | block = ul_tbf->m_rlc.block(5); |
| 1166 | |
| 1167 | /* check the status of the block */ |
| 1168 | OSMO_ASSERT(block->spb_status.block_status_ul == |
| 1169 | EGPRS_RESEG_DEFAULT); |
| 1170 | OSMO_ASSERT(block->cs_last == |
| 1171 | GprsCodingScheme::MCS6); |
| 1172 | /* Assembled MCS is MCS6. so the size is 74 */ |
| 1173 | OSMO_ASSERT(block->len == 74); |
| 1174 | |
| 1175 | OSMO_ASSERT(ul_tbf->m_rlc.block(5)->len == |
| 1176 | ul_tbf->m_rlc.block(4)->len); |
| 1177 | OSMO_ASSERT(ul_tbf->m_rlc.block(5)->len == |
| 1178 | ul_tbf->m_rlc.block(3)->len); |
| 1179 | |
| 1180 | /* Compare the spb status of each BSNs(3,4,5). should be same */ |
| 1181 | OSMO_ASSERT( |
| 1182 | ul_tbf->m_rlc.block(5)->spb_status.block_status_ul == |
| 1183 | ul_tbf->m_rlc.block(4)->spb_status.block_status_ul); |
| 1184 | OSMO_ASSERT( |
| 1185 | ul_tbf->m_rlc.block(5)->spb_status.block_status_ul == |
| 1186 | ul_tbf->m_rlc.block(3)->spb_status.block_status_ul); |
| 1187 | |
| 1188 | /* Compare the Assembled MCS of each BSNs(3,4,5). should be same */ |
| 1189 | OSMO_ASSERT(ul_tbf->m_rlc.block(5)->cs_last == |
| 1190 | ul_tbf->m_rlc.block(4)->cs_last); |
| 1191 | OSMO_ASSERT(ul_tbf->m_rlc.block(5)->cs_last == |
| 1192 | ul_tbf->m_rlc.block(3)->cs_last); |
| 1193 | |
| 1194 | /* Compare the data of each BSNs(3,4,5). should be same */ |
| 1195 | OSMO_ASSERT( |
| 1196 | !memcmp(ul_tbf->m_rlc.block(5)->block, |
| 1197 | ul_tbf->m_rlc.block(4)->block, ul_tbf->m_rlc.block(5)->len |
| 1198 | )); |
| 1199 | OSMO_ASSERT( |
| 1200 | !memcmp(ul_tbf->m_rlc.block(5)->block, |
| 1201 | ul_tbf->m_rlc.block(3)->block, ul_tbf->m_rlc.block(5)->len |
| 1202 | )); |
| 1203 | |
| 1204 | return ul_tbf; |
| 1205 | } |
| 1206 | |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1207 | static gprs_rlcmac_ul_tbf *establish_ul_tbf(BTS *the_bts, |
| 1208 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 1209 | uint8_t ms_class, uint8_t egprs_ms_class) |
| 1210 | { |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1211 | uint32_t rach_fn = *fn - 51; |
| 1212 | uint32_t sba_fn = *fn + 52; |
| 1213 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1214 | int tfi = 0; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1215 | gprs_rlcmac_ul_tbf *ul_tbf; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1216 | gprs_rlcmac_bts *bts; |
| 1217 | RlcMacUplink_t ulreq = {0}; |
| 1218 | struct pcu_l1_meas meas; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1219 | GprsCodingScheme cs; |
| 1220 | |
| 1221 | meas.set_rssi(31); |
| 1222 | bts = the_bts->bts_data(); |
| 1223 | |
| 1224 | /* needed to set last_rts_fn in the PDCH object */ |
| 1225 | request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| 1226 | |
| 1227 | /* |
| 1228 | * simulate RACH, this sends an Immediate |
| 1229 | * Assignment Uplink on the AGCH |
| 1230 | */ |
| 1231 | the_bts->rcv_rach(0x73, rach_fn, qta, 0, GSM_L1_BURST_TYPE_ACCESS_0); |
| 1232 | |
| 1233 | /* get next free TFI */ |
| 1234 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| 1235 | |
| 1236 | /* fake a resource request */ |
| 1237 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 1238 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 1239 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 1240 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
| 1241 | ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability = 1; |
| 1242 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1243 | Count_MS_RA_capability_value = 1; |
| 1244 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1245 | MS_RA_capability_value[0].u.Content. |
| 1246 | Exist_Multislot_capability = 1; |
| 1247 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1248 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1249 | Exist_GPRS_multislot_class = 1; |
| 1250 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1251 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1252 | GPRS_multislot_class = ms_class; |
| 1253 | if (egprs_ms_class) { |
| 1254 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1255 | MS_RA_capability_value[0].u.Content. |
| 1256 | Multislot_capability.Exist_EGPRS_multislot_class = 1; |
| 1257 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1258 | MS_RA_capability_value[0].u.Content. |
| 1259 | Multislot_capability.EGPRS_multislot_class = ms_class; |
| 1260 | } |
| 1261 | send_ul_mac_block(the_bts, trx_no, ts_no, &ulreq, sba_fn); |
| 1262 | |
| 1263 | /* check the TBF */ |
| 1264 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
| 1265 | /* send packet uplink assignment */ |
| 1266 | *fn = sba_fn; |
| 1267 | request_dl_rlc_block(ul_tbf, fn); |
| 1268 | |
| 1269 | /* send real acknowledgement */ |
| 1270 | send_control_ack(ul_tbf); |
| 1271 | |
| 1272 | check_tbf(ul_tbf); |
| 1273 | |
| 1274 | return ul_tbf; |
| 1275 | } |
| 1276 | |
| 1277 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_puan_URBB_no_length(BTS *the_bts, |
| 1278 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 1279 | uint8_t ms_class, uint8_t egprs_ms_class, gprs_rlcmac_ul_tbf *ul_tbf) |
| 1280 | { |
| 1281 | OSMO_ASSERT(ul_tbf); |
| 1282 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 1283 | GprsMs *ms; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1284 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1285 | int tfi = 0; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1286 | struct gprs_rlcmac_pdch *pdch; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1287 | struct pcu_l1_meas meas; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1288 | GprsCodingScheme cs; |
| 1289 | |
| 1290 | |
| 1291 | /* send fake data with cv=0*/ |
| 1292 | struct gprs_rlc_ul_header_egprs_3 *hdr3 = NULL; |
| 1293 | uint8_t data[49] = {0}; |
| 1294 | |
| 1295 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1296 | |
| 1297 | /*header_construction */ |
| 1298 | memset(data, 0x2b, sizeof(data)); |
| 1299 | /* Message with CRBB */ |
| 1300 | for (int i = 0 ; i < 80; i++) { |
| 1301 | hdr3->r = 0; |
| 1302 | hdr3->si = 0; |
| 1303 | hdr3->cv = 10; |
| 1304 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1305 | hdr3->tfi_lo = tfi & 0x7; |
| 1306 | hdr3->bsn1_hi = ((i * 2)&0x1f); |
| 1307 | hdr3->bsn1_lo = ((i * 2)/32); |
| 1308 | hdr3->cps_hi = 0; |
| 1309 | hdr3->cps_lo = 0; |
| 1310 | hdr3->spb = 0; |
| 1311 | hdr3->rsb = 0; |
| 1312 | hdr3->pi = 0; |
| 1313 | hdr3->spare = 0; |
| 1314 | hdr3->dummy = 1; |
| 1315 | data[4] = 0x0; |
| 1316 | data[5] = 0x0; |
| 1317 | data[6] = 0x2b; |
| 1318 | data[7] = 0x2b; |
| 1319 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1320 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1321 | } |
| 1322 | ul_tbf->create_ul_ack(*fn, ts_no); |
| 1323 | memset(data, 0x2b, sizeof(data)); |
| 1324 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1325 | hdr3->r = 0; |
| 1326 | hdr3->si = 0; |
| 1327 | hdr3->cv = 0; |
| 1328 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1329 | hdr3->tfi_lo = tfi & 0x7; |
| 1330 | hdr3->bsn1_hi = 0; |
| 1331 | hdr3->bsn1_lo = 2; |
| 1332 | hdr3->cps_hi = 0; |
| 1333 | hdr3->cps_lo = 0; |
| 1334 | hdr3->spb = 0; |
| 1335 | hdr3->rsb = 0; |
| 1336 | hdr3->pi = 0; |
| 1337 | hdr3->spare = 0; |
| 1338 | hdr3->dummy = 1; |
| 1339 | data[4] = 0x0; |
| 1340 | data[5] = 0x2b; |
| 1341 | data[6] = 0x2b; |
| 1342 | data[7] = 0x2b; |
| 1343 | |
| 1344 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1345 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1346 | |
| 1347 | request_dl_rlc_block(ul_tbf, fn); |
| 1348 | |
| 1349 | check_tbf(ul_tbf); |
| 1350 | OSMO_ASSERT(ul_tbf->ul_ack_state == GPRS_RLCMAC_UL_ACK_NONE); |
| 1351 | |
| 1352 | ms = the_bts->ms_by_tlli(tlli); |
| 1353 | OSMO_ASSERT(ms != NULL); |
| 1354 | OSMO_ASSERT(ms->ta() == qta/4); |
| 1355 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 1356 | |
| 1357 | return ul_tbf; |
| 1358 | } |
| 1359 | |
| 1360 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_puan_URBB_with_length(BTS *the_bts, |
| 1361 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 1362 | uint8_t ms_class, uint8_t egprs_ms_class, gprs_rlcmac_ul_tbf *ul_tbf) |
| 1363 | { |
| 1364 | OSMO_ASSERT(ul_tbf); |
| 1365 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 1366 | GprsMs *ms; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1367 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1368 | int tfi = 0; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1369 | struct gprs_rlcmac_pdch *pdch; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1370 | struct pcu_l1_meas meas; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1371 | GprsCodingScheme cs; |
| 1372 | |
| 1373 | check_tbf(ul_tbf); |
| 1374 | /* send fake data with cv=0*/ |
| 1375 | struct gprs_rlc_ul_header_egprs_3 *hdr3 = NULL; |
| 1376 | uint8_t data[49] = {0}; |
| 1377 | |
| 1378 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1379 | |
| 1380 | /*header_construction */ |
| 1381 | memset(data, 0x2b, sizeof(data)); |
| 1382 | |
| 1383 | /* Message with URBB & URBB length */ |
| 1384 | for (int i = 0 ; i < 20; i++) { |
| 1385 | hdr3->r = 0; |
| 1386 | hdr3->si = 0; |
| 1387 | hdr3->cv = 10; |
| 1388 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1389 | hdr3->tfi_lo = tfi & 0x7; |
| 1390 | hdr3->bsn1_hi = ((i * 2)&0x1f); |
| 1391 | hdr3->bsn1_lo = ((i * 2)/32); |
| 1392 | hdr3->cps_hi = 0; |
| 1393 | hdr3->cps_lo = 0; |
| 1394 | hdr3->spb = 0; |
| 1395 | hdr3->rsb = 0; |
| 1396 | hdr3->pi = 0; |
| 1397 | hdr3->spare = 0; |
| 1398 | hdr3->dummy = 1; |
| 1399 | data[4] = 0x0; |
| 1400 | data[5] = 0x0; |
| 1401 | data[6] = 0x2b; |
| 1402 | data[7] = 0x2b; |
| 1403 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1404 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1405 | } |
| 1406 | ul_tbf->create_ul_ack(*fn, ts_no); |
| 1407 | memset(data, 0x2b, sizeof(data)); |
| 1408 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1409 | hdr3->r = 0; |
| 1410 | hdr3->si = 0; |
| 1411 | hdr3->cv = 0; |
| 1412 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1413 | hdr3->tfi_lo = tfi & 0x7; |
| 1414 | hdr3->bsn1_hi = 0; |
| 1415 | hdr3->bsn1_lo = 2; |
| 1416 | hdr3->cps_hi = 0; |
| 1417 | hdr3->cps_lo = 0; |
| 1418 | hdr3->spb = 0; |
| 1419 | hdr3->rsb = 0; |
| 1420 | hdr3->pi = 0; |
| 1421 | hdr3->spare = 0; |
| 1422 | hdr3->dummy = 1; |
| 1423 | data[4] = 0x0; |
| 1424 | data[5] = 0x2b; |
| 1425 | data[6] = 0x2b; |
| 1426 | data[7] = 0x2b; |
| 1427 | |
| 1428 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1429 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1430 | |
| 1431 | request_dl_rlc_block(ul_tbf, fn); |
| 1432 | |
| 1433 | check_tbf(ul_tbf); |
| 1434 | OSMO_ASSERT(ul_tbf->ul_ack_state == GPRS_RLCMAC_UL_ACK_NONE); |
| 1435 | |
| 1436 | ms = the_bts->ms_by_tlli(tlli); |
| 1437 | OSMO_ASSERT(ms != NULL); |
| 1438 | OSMO_ASSERT(ms->ta() == qta/4); |
| 1439 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 1440 | |
| 1441 | return ul_tbf; |
| 1442 | } |
| 1443 | |
| 1444 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase_puan_CRBB(BTS *the_bts, |
| 1445 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 1446 | uint8_t ms_class, uint8_t egprs_ms_class) |
| 1447 | { |
| 1448 | GprsMs *ms; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1449 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1450 | int tfi = 0; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1451 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1452 | struct gprs_rlcmac_pdch *pdch; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1453 | struct pcu_l1_meas meas; |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1454 | GprsCodingScheme cs; |
| 1455 | |
| 1456 | |
| 1457 | /* check the TBF */ |
| 1458 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
| 1459 | OSMO_ASSERT(ul_tbf); |
| 1460 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 1461 | |
| 1462 | /* send fake data with cv=0*/ |
| 1463 | struct gprs_rlc_ul_header_egprs_3 *hdr3 = NULL; |
| 1464 | uint8_t data[49] = {0}; |
| 1465 | |
| 1466 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1467 | |
| 1468 | /*header_construction */ |
| 1469 | memset(data, 0x2b, sizeof(data)); |
| 1470 | |
| 1471 | /* Message with CRBB */ |
| 1472 | for (int i = 80 ; i < 160; i++) { |
| 1473 | hdr3->r = 0; |
| 1474 | hdr3->si = 0; |
| 1475 | hdr3->cv = 10; |
| 1476 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1477 | hdr3->tfi_lo = tfi & 0x7; |
| 1478 | hdr3->bsn1_hi = ((i)&0x1f); |
| 1479 | hdr3->bsn1_lo = ((i)/32); |
| 1480 | hdr3->cps_hi = 0; |
| 1481 | hdr3->cps_lo = 0; |
| 1482 | hdr3->spb = 0; |
| 1483 | hdr3->rsb = 0; |
| 1484 | hdr3->pi = 0; |
| 1485 | hdr3->spare = 0; |
| 1486 | hdr3->dummy = 1; |
| 1487 | data[4] = 0x0; |
| 1488 | data[5] = 0x0; |
| 1489 | data[6] = 0x2b; |
| 1490 | data[7] = 0x2b; |
| 1491 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1492 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1493 | } |
| 1494 | ul_tbf->create_ul_ack(*fn, ts_no); |
| 1495 | memset(data, 0x2b, sizeof(data)); |
| 1496 | hdr3 = (struct gprs_rlc_ul_header_egprs_3 *)data; |
| 1497 | hdr3->r = 0; |
| 1498 | hdr3->si = 0; |
| 1499 | hdr3->cv = 0; |
| 1500 | hdr3->tfi_hi = (tfi >> 3) & 0x3; |
| 1501 | hdr3->tfi_lo = tfi & 0x7; |
| 1502 | hdr3->bsn1_hi = 0; |
| 1503 | hdr3->bsn1_lo = 2; |
| 1504 | hdr3->cps_hi = 0; |
| 1505 | hdr3->cps_lo = 0; |
| 1506 | hdr3->spb = 0; |
| 1507 | hdr3->rsb = 0; |
| 1508 | hdr3->pi = 0; |
| 1509 | hdr3->spare = 0; |
| 1510 | hdr3->dummy = 1; |
| 1511 | data[4] = 0x0; |
| 1512 | data[5] = 0x2b; |
| 1513 | data[6] = 0x2b; |
| 1514 | data[7] = 0x2b; |
| 1515 | |
| 1516 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 1517 | pdch->rcv_block(&data[0], sizeof(data), *fn, &meas); |
| 1518 | |
| 1519 | request_dl_rlc_block(ul_tbf, fn); |
| 1520 | |
| 1521 | check_tbf(ul_tbf); |
| 1522 | OSMO_ASSERT(ul_tbf->ul_ack_state == GPRS_RLCMAC_UL_ACK_NONE); |
| 1523 | |
| 1524 | ms = the_bts->ms_by_tlli(tlli); |
| 1525 | OSMO_ASSERT(ms != NULL); |
| 1526 | OSMO_ASSERT(ms->ta() == qta/4); |
| 1527 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 1528 | |
| 1529 | return ul_tbf; |
| 1530 | } |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1531 | static gprs_rlcmac_ul_tbf *establish_ul_tbf_two_phase(BTS *the_bts, |
| 1532 | 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] | 1533 | uint8_t ms_class, uint8_t egprs_ms_class) |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1534 | { |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1535 | GprsMs *ms; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1536 | uint32_t rach_fn = *fn - 51; |
| 1537 | uint32_t sba_fn = *fn + 52; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1538 | uint8_t trx_no = 0; |
| 1539 | int tfi = 0; |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1540 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1541 | struct gprs_rlcmac_pdch *pdch; |
| 1542 | gprs_rlcmac_bts *bts; |
| 1543 | RlcMacUplink_t ulreq = {0}; |
Jacob Erlbeck | 20f6fd1 | 2015-06-08 11:05:45 +0200 | [diff] [blame] | 1544 | struct pcu_l1_meas meas; |
| 1545 | meas.set_rssi(31); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1546 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1547 | bts = the_bts->bts_data(); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1548 | |
| 1549 | /* needed to set last_rts_fn in the PDCH object */ |
Max | 878bd1f | 2016-07-20 13:05:05 +0200 | [diff] [blame] | 1550 | request_dl_rlc_block(bts, trx_no, ts_no, fn); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1551 | |
bhargava | 959d1de | 2016-08-17 15:17:21 +0530 | [diff] [blame] | 1552 | /* simulate RACH, sends an Immediate Assignment Uplink on the AGCH */ |
| 1553 | 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] | 1554 | |
| 1555 | /* get next free TFI */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1556 | 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] | 1557 | |
| 1558 | /* fake a resource request */ |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1559 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 1560 | ulreq.u.Packet_Resource_Request.PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 1561 | ulreq.u.Packet_Resource_Request.ID.UnionType = 1; /* != 0 */ |
| 1562 | ulreq.u.Packet_Resource_Request.ID.u.TLLI = tlli; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1563 | ulreq.u.Packet_Resource_Request.Exist_MS_Radio_Access_capability = 1; |
| 1564 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1565 | Count_MS_RA_capability_value = 1; |
| 1566 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1567 | MS_RA_capability_value[0].u.Content.Exist_Multislot_capability = 1; |
| 1568 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1569 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1570 | Exist_GPRS_multislot_class = 1; |
| 1571 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1572 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1573 | GPRS_multislot_class = ms_class; |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1574 | if (egprs_ms_class) { |
| 1575 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1576 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1577 | Exist_EGPRS_multislot_class = 1; |
| 1578 | ulreq.u.Packet_Resource_Request.MS_Radio_Access_capability. |
| 1579 | MS_RA_capability_value[0].u.Content.Multislot_capability. |
| 1580 | EGPRS_multislot_class = ms_class; |
| 1581 | } |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1582 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 1583 | 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] | 1584 | |
| 1585 | /* check the TBF */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1586 | 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] | 1587 | OSMO_ASSERT(ul_tbf != NULL); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 1588 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1589 | |
| 1590 | /* send packet uplink assignment */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1591 | *fn = sba_fn; |
Jacob Erlbeck | cef20ae | 2015-08-24 12:00:33 +0200 | [diff] [blame] | 1592 | request_dl_rlc_block(ul_tbf, fn); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1593 | |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 1594 | /* send real acknowledgement */ |
| 1595 | send_control_ack(ul_tbf); |
| 1596 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1597 | check_tbf(ul_tbf); |
| 1598 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1599 | /* send fake data */ |
| 1600 | uint8_t data_msg[23] = { |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1601 | 0x00 | 0xf << 2, /* GPRS_RLCMAC_DATA_BLOCK << 6, CV = 15 */ |
| 1602 | uint8_t(0 | (tfi << 1)), |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1603 | uint8_t(1), /* BSN:7, E:1 */ |
| 1604 | }; |
| 1605 | |
Jacob Erlbeck | 56f99d1 | 2015-08-20 15:55:56 +0200 | [diff] [blame] | 1606 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1607 | pdch->rcv_block(&data_msg[0], sizeof(data_msg), *fn, &meas); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1608 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1609 | ms = the_bts->ms_by_tlli(tlli); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1610 | OSMO_ASSERT(ms != NULL); |
Jacob Erlbeck | 9200ce6 | 2015-05-22 17:48:04 +0200 | [diff] [blame] | 1611 | OSMO_ASSERT(ms->ta() == qta/4); |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1612 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 1613 | |
| 1614 | return ul_tbf; |
| 1615 | } |
| 1616 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1617 | static void send_dl_data(BTS *the_bts, uint32_t tlli, const char *imsi, |
| 1618 | const uint8_t *data, unsigned data_size) |
| 1619 | { |
| 1620 | GprsMs *ms, *ms2; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1621 | |
| 1622 | ms = the_bts->ms_store().get_ms(tlli, 0, imsi); |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1623 | |
Jacob Erlbeck | 14e00f8 | 2015-11-27 18:10:39 +0100 | [diff] [blame] | 1624 | 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] | 1625 | 1000, data, data_size); |
| 1626 | |
| 1627 | ms = the_bts->ms_by_imsi(imsi); |
| 1628 | OSMO_ASSERT(ms != NULL); |
| 1629 | OSMO_ASSERT(ms->dl_tbf() != NULL); |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1630 | |
| 1631 | if (imsi[0] && strcmp(imsi, "000") != 0) { |
| 1632 | ms2 = the_bts->ms_by_tlli(tlli); |
| 1633 | OSMO_ASSERT(ms == ms2); |
| 1634 | } |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1635 | } |
| 1636 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1637 | static void transmit_dl_data(BTS *the_bts, uint32_t tlli, uint32_t *fn, |
| 1638 | uint8_t slots = 0xff) |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1639 | { |
| 1640 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 1641 | GprsMs *ms; |
| 1642 | unsigned ts_no; |
| 1643 | |
| 1644 | ms = the_bts->ms_by_tlli(tlli); |
| 1645 | OSMO_ASSERT(ms); |
| 1646 | dl_tbf = ms->dl_tbf(); |
| 1647 | OSMO_ASSERT(dl_tbf); |
| 1648 | |
| 1649 | while (dl_tbf->have_data()) { |
| 1650 | uint8_t bn = fn2bn(*fn); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1651 | for (ts_no = 0 ; ts_no < 8; ts_no += 1) { |
| 1652 | if (!(slots & (1 << ts_no))) |
| 1653 | continue; |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1654 | gprs_rlcmac_rcv_rts_block(the_bts->bts_data(), |
Max | 878bd1f | 2016-07-20 13:05:05 +0200 | [diff] [blame] | 1655 | dl_tbf->trx->trx_no, ts_no, |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1656 | *fn, bn); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1657 | } |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1658 | *fn = fn_add_blocks(*fn, 1); |
| 1659 | } |
| 1660 | } |
| 1661 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1662 | static void test_tbf_single_phase() |
| 1663 | { |
| 1664 | BTS the_bts; |
| 1665 | int ts_no = 7; |
Philipp | d935d88 | 2016-11-07 13:07:36 +0100 | [diff] [blame] | 1666 | uint32_t fn = DUMMY_FN; /* 17,25,9 */ |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1667 | uint32_t tlli = 0xf1223344; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1668 | const char *imsi = "0011223344"; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1669 | uint16_t qta = 31; |
| 1670 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1671 | GprsMs *ms; |
| 1672 | |
| 1673 | printf("=== start %s ===\n", __func__); |
| 1674 | |
| 1675 | setup_bts(&the_bts, ts_no); |
| 1676 | |
| 1677 | ul_tbf = establish_ul_tbf_single_phase(&the_bts, ts_no, tlli, &fn, qta); |
| 1678 | |
| 1679 | ms = ul_tbf->ms(); |
| 1680 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 1681 | fprintf(stderr, "Got MS: TLLI = 0x%08x, TA = %d\n", ms->tlli(), ms->ta()); |
| 1682 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1683 | send_dl_data(&the_bts, tlli, imsi, (const uint8_t *)"TEST", 4); |
| 1684 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1685 | printf("=== end %s ===\n", __func__); |
| 1686 | } |
| 1687 | |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 1688 | static void test_tbf_egprs_two_phase_puan(void) |
| 1689 | { |
| 1690 | BTS the_bts; |
| 1691 | int ts_no = 7; |
| 1692 | uint32_t fn = 2654218; |
| 1693 | uint16_t qta = 31; |
| 1694 | uint32_t tlli = 0xf1223344; |
| 1695 | const char *imsi = "0011223344"; |
| 1696 | uint8_t ms_class = 1; |
| 1697 | gprs_rlcmac_bts *bts; |
| 1698 | uint8_t egprs_ms_class = 1; |
| 1699 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1700 | GprsMs *ms; |
| 1701 | uint8_t test_data[256]; |
| 1702 | |
| 1703 | printf("=== start %s ===\n", __func__); |
| 1704 | |
| 1705 | memset(test_data, 1, sizeof(test_data)); |
| 1706 | |
| 1707 | setup_bts(&the_bts, ts_no, 4); |
| 1708 | the_bts.bts_data()->initial_mcs_dl = 9; |
| 1709 | the_bts.bts_data()->egprs_enabled = 1; |
| 1710 | bts = the_bts.bts_data(); |
| 1711 | bts->ws_base = 128; |
| 1712 | bts->ws_pdch = 64; |
| 1713 | |
| 1714 | ul_tbf = establish_ul_tbf(&the_bts, ts_no, tlli, &fn, qta, ms_class, egprs_ms_class); |
| 1715 | /* Function to generate URBB with no length */ |
| 1716 | ul_tbf = establish_ul_tbf_two_phase_puan_URBB_no_length(&the_bts, ts_no, tlli, &fn, |
| 1717 | qta, ms_class, egprs_ms_class, ul_tbf); |
| 1718 | |
| 1719 | ms = ul_tbf->ms(); |
| 1720 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 1721 | fprintf(stderr, |
| 1722 | "Got MS: TLLI = 0x%08x, TA = %d\n", ms->tlli(), ms->ta()); |
| 1723 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 1724 | |
| 1725 | ul_tbf->m_window.set_v_r(0); |
| 1726 | ul_tbf->m_window.set_v_q(0); |
| 1727 | /* Function to generate URBB with length */ |
| 1728 | ul_tbf = establish_ul_tbf_two_phase_puan_URBB_with_length(&the_bts, ts_no, tlli, &fn, |
| 1729 | qta, ms_class, egprs_ms_class, ul_tbf); |
| 1730 | |
| 1731 | ms = ul_tbf->ms(); |
| 1732 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 1733 | fprintf(stderr, |
| 1734 | "Got MS: TLLI = 0x%08x, TA = %d\n", ms->tlli(), ms->ta()); |
| 1735 | |
| 1736 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 1737 | |
| 1738 | ul_tbf->m_window.set_v_r(0); |
| 1739 | ul_tbf->m_window.set_v_q(0); |
| 1740 | /* Function to generate CRBB */ |
| 1741 | bts->ws_base = 128; |
| 1742 | bts->ws_pdch = 64; |
| 1743 | ul_tbf = establish_ul_tbf_two_phase_puan_CRBB(&the_bts, ts_no, tlli, &fn, |
| 1744 | qta, ms_class, egprs_ms_class); |
| 1745 | |
| 1746 | ms = ul_tbf->ms(); |
| 1747 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 1748 | fprintf(stderr, |
| 1749 | "Got MS: TLLI = 0x%08x, TA = %d\n", ms->tlli(), ms->ta()); |
| 1750 | |
| 1751 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 1752 | |
| 1753 | printf("=== end %s ===\n", __func__); |
| 1754 | } |
aravind sirsikar | c0c3afd | 2016-11-09 16:27:00 +0530 | [diff] [blame] | 1755 | /* |
| 1756 | * Trigger rach for single block |
| 1757 | */ |
| 1758 | static void test_immediate_assign_rej_single_block() |
| 1759 | { |
| 1760 | BTS the_bts; |
| 1761 | uint32_t fn = 2654218; |
| 1762 | uint16_t qta = 31; |
| 1763 | int ts_no = 7; |
| 1764 | |
| 1765 | printf("=== start %s ===\n", __func__); |
| 1766 | |
| 1767 | setup_bts(&the_bts, ts_no, 4); |
| 1768 | |
| 1769 | the_bts.bts_data()->trx[0].pdch[ts_no].disable(); |
| 1770 | |
| 1771 | uint32_t rach_fn = fn - 51; |
| 1772 | |
| 1773 | int rc = 0; |
| 1774 | |
| 1775 | /* |
| 1776 | * simulate RACH, sends an Immediate Assignment |
| 1777 | * Uplink reject on the AGCH |
| 1778 | */ |
| 1779 | rc = the_bts.rcv_rach(0x70, rach_fn, qta, 0, |
| 1780 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1781 | |
| 1782 | OSMO_ASSERT(rc == -EINVAL); |
| 1783 | |
| 1784 | printf("=== end %s ===\n", __func__); |
| 1785 | } |
| 1786 | |
| 1787 | /* |
| 1788 | * Trigger rach till resources(USF) exhaust |
| 1789 | */ |
| 1790 | static void test_immediate_assign_rej_multi_block() |
| 1791 | { |
| 1792 | BTS the_bts; |
| 1793 | uint32_t fn = 2654218; |
| 1794 | uint16_t qta = 31; |
| 1795 | int ts_no = 7; |
| 1796 | |
| 1797 | printf("=== start %s ===\n", __func__); |
| 1798 | |
| 1799 | setup_bts(&the_bts, ts_no, 4); |
| 1800 | |
| 1801 | uint32_t rach_fn = fn - 51; |
| 1802 | |
| 1803 | int rc = 0; |
| 1804 | |
| 1805 | /* |
| 1806 | * simulate RACH, sends an Immediate Assignment Uplink |
| 1807 | * reject on the AGCH |
| 1808 | */ |
| 1809 | rc = the_bts.rcv_rach(0x78, rach_fn, qta, 0, |
| 1810 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1811 | rc = the_bts.rcv_rach(0x79, rach_fn, qta, 0, |
| 1812 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1813 | rc = the_bts.rcv_rach(0x7a, rach_fn, qta, 0, |
| 1814 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1815 | rc = the_bts.rcv_rach(0x7b, rach_fn, qta, 0, |
| 1816 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1817 | rc = the_bts.rcv_rach(0x7c, rach_fn, qta, 0, |
| 1818 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1819 | rc = the_bts.rcv_rach(0x7d, rach_fn, qta, 0, |
| 1820 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1821 | rc = the_bts.rcv_rach(0x7e, rach_fn, qta, 0, |
| 1822 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1823 | rc = the_bts.rcv_rach(0x7f, rach_fn, qta, 0, |
| 1824 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 1825 | |
| 1826 | OSMO_ASSERT(rc == -EBUSY); |
| 1827 | |
| 1828 | printf("=== end %s ===\n", __func__); |
| 1829 | } |
| 1830 | |
| 1831 | static void test_immediate_assign_rej() |
| 1832 | { |
| 1833 | test_immediate_assign_rej_multi_block(); |
| 1834 | test_immediate_assign_rej_single_block(); |
| 1835 | } |
| 1836 | |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1837 | static void test_tbf_two_phase() |
| 1838 | { |
| 1839 | BTS the_bts; |
| 1840 | int ts_no = 7; |
| 1841 | uint32_t fn = 2654218; |
| 1842 | uint16_t qta = 31; |
| 1843 | uint32_t tlli = 0xf1223344; |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1844 | const char *imsi = "0011223344"; |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1845 | uint8_t ms_class = 1; |
| 1846 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1847 | GprsMs *ms; |
| 1848 | |
| 1849 | printf("=== start %s ===\n", __func__); |
| 1850 | |
| 1851 | setup_bts(&the_bts, ts_no, 4); |
| 1852 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1853 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli, &fn, qta, |
| 1854 | ms_class, 0); |
Jacob Erlbeck | 4a6fe53 | 2015-08-19 14:00:43 +0200 | [diff] [blame] | 1855 | |
| 1856 | ms = ul_tbf->ms(); |
| 1857 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 1858 | fprintf(stderr, "Got MS: TLLI = 0x%08x, TA = %d\n", ms->tlli(), ms->ta()); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1859 | |
Jacob Erlbeck | 076f5c7 | 2015-08-21 18:00:54 +0200 | [diff] [blame] | 1860 | send_dl_data(&the_bts, tlli, imsi, (const uint8_t *)"TEST", 4); |
| 1861 | |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 1862 | printf("=== end %s ===\n", __func__); |
| 1863 | } |
| 1864 | |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1865 | static void test_tbf_ra_update_rach() |
| 1866 | { |
| 1867 | BTS the_bts; |
| 1868 | int ts_no = 7; |
| 1869 | uint32_t fn = 2654218; |
| 1870 | uint16_t qta = 31; |
| 1871 | uint32_t tlli1 = 0xf1223344; |
| 1872 | uint32_t tlli2 = 0xf5667788; |
| 1873 | const char *imsi = "0011223344"; |
| 1874 | uint8_t ms_class = 1; |
| 1875 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1876 | GprsMs *ms, *ms1, *ms2; |
| 1877 | |
| 1878 | printf("=== start %s ===\n", __func__); |
| 1879 | |
| 1880 | setup_bts(&the_bts, ts_no, 4); |
| 1881 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1882 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, |
| 1883 | ms_class, 0); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1884 | |
| 1885 | ms1 = ul_tbf->ms(); |
| 1886 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 1887 | |
| 1888 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"RAU_ACCEPT", 10); |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1889 | fprintf(stderr, "Old MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %zu\n", |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1890 | ms1->tlli(), ms1->ta(), ms1->imsi(), ms1->llc_queue()->size()); |
| 1891 | |
Jacob Erlbeck | af45473 | 2015-08-21 15:03:23 +0200 | [diff] [blame] | 1892 | /* Send Packet Downlink Assignment to MS */ |
| 1893 | request_dl_rlc_block(ul_tbf, &fn); |
| 1894 | |
| 1895 | /* Ack it */ |
| 1896 | send_control_ack(ul_tbf); |
| 1897 | |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1898 | /* Make sure the RAU Accept gets sent to the MS */ |
| 1899 | OSMO_ASSERT(ms1->llc_queue()->size() == 1); |
| 1900 | transmit_dl_data(&the_bts, tlli1, &fn); |
| 1901 | OSMO_ASSERT(ms1->llc_queue()->size() == 0); |
| 1902 | |
| 1903 | /* Now establish a new TBF for the RA UPDATE COMPLETE (new TLLI) */ |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1904 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli2, &fn, qta, |
| 1905 | ms_class, 0); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1906 | |
| 1907 | ms2 = ul_tbf->ms(); |
| 1908 | |
| 1909 | /* The PCU cannot know yet, that both TBF belong to the same MS */ |
| 1910 | OSMO_ASSERT(ms1 != ms2); |
| 1911 | |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1912 | fprintf(stderr, "Old MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %zu\n", |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1913 | ms1->tlli(), ms1->ta(), ms1->imsi(), ms1->llc_queue()->size()); |
| 1914 | |
| 1915 | /* Send some downlink data along with the new TLLI and the IMSI so that |
| 1916 | * the PCU can see, that both MS objects belong to same MS */ |
| 1917 | send_dl_data(&the_bts, tlli2, imsi, (const uint8_t *)"DATA", 4); |
| 1918 | |
| 1919 | ms = the_bts.ms_by_imsi(imsi); |
| 1920 | OSMO_ASSERT(ms == ms2); |
| 1921 | |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1922 | fprintf(stderr, "New MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %zu\n", |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1923 | ms2->tlli(), ms2->ta(), ms2->imsi(), ms2->llc_queue()->size()); |
| 1924 | |
| 1925 | ms = the_bts.ms_by_tlli(tlli1); |
| 1926 | OSMO_ASSERT(ms == NULL); |
| 1927 | ms = the_bts.ms_by_tlli(tlli2); |
| 1928 | OSMO_ASSERT(ms == ms2); |
| 1929 | |
| 1930 | printf("=== end %s ===\n", __func__); |
| 1931 | } |
| 1932 | |
| 1933 | static void test_tbf_dl_flow_and_rach_two_phase() |
| 1934 | { |
| 1935 | BTS the_bts; |
| 1936 | int ts_no = 7; |
| 1937 | uint32_t fn = 2654218; |
| 1938 | uint16_t qta = 31; |
| 1939 | uint32_t tlli1 = 0xf1223344; |
| 1940 | const char *imsi = "0011223344"; |
| 1941 | uint8_t ms_class = 1; |
| 1942 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 1943 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 1944 | GprsMs *ms, *ms1, *ms2; |
| 1945 | |
| 1946 | printf("=== start %s ===\n", __func__); |
| 1947 | |
| 1948 | setup_bts(&the_bts, ts_no, 1); |
| 1949 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1950 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, |
| 1951 | ms_class, 0); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1952 | |
| 1953 | ms1 = ul_tbf->ms(); |
| 1954 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 1955 | |
| 1956 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 1 *************", 20); |
| 1957 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 2 *************", 20); |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1958 | fprintf(stderr, "Old MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %zu\n", |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1959 | ms1->tlli(), ms1->ta(), ms1->imsi(), ms1->llc_queue()->size()); |
| 1960 | |
| 1961 | OSMO_ASSERT(ms1->llc_queue()->size() == 2); |
| 1962 | dl_tbf = ms1->dl_tbf(); |
| 1963 | OSMO_ASSERT(dl_tbf != NULL); |
| 1964 | |
| 1965 | /* Get rid of old UL TBF */ |
| 1966 | tbf_free(ul_tbf); |
| 1967 | ms = the_bts.ms_by_tlli(tlli1); |
| 1968 | OSMO_ASSERT(ms1 == ms); |
| 1969 | |
| 1970 | /* Now establish a new UL TBF, this will consume one LLC packet */ |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 1971 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, |
| 1972 | ms_class, 0); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1973 | |
| 1974 | ms2 = ul_tbf->ms(); |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 1975 | fprintf(stderr, "New MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %zu\n", |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1976 | ms2->tlli(), ms2->ta(), ms2->imsi(), ms2->llc_queue()->size()); |
| 1977 | |
| 1978 | /* This should be the same MS object */ |
| 1979 | OSMO_ASSERT(ms2 == ms1); |
| 1980 | |
| 1981 | ms = the_bts.ms_by_tlli(tlli1); |
| 1982 | OSMO_ASSERT(ms2 == ms); |
| 1983 | |
Jacob Erlbeck | c8cbfc2 | 2015-09-01 11:38:40 +0200 | [diff] [blame] | 1984 | /* A DL TBF should still exist */ |
| 1985 | OSMO_ASSERT(ms->dl_tbf()); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1986 | |
| 1987 | /* No queued packets should be lost */ |
Jacob Erlbeck | 9659d59 | 2015-09-01 11:06:14 +0200 | [diff] [blame] | 1988 | OSMO_ASSERT(ms->llc_queue()->size() == 2); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 1989 | |
| 1990 | printf("=== end %s ===\n", __func__); |
| 1991 | } |
| 1992 | |
| 1993 | |
| 1994 | static void test_tbf_dl_flow_and_rach_single_phase() |
| 1995 | { |
| 1996 | BTS the_bts; |
| 1997 | int ts_no = 7; |
| 1998 | uint32_t fn = 2654218; |
| 1999 | uint16_t qta = 31; |
| 2000 | uint32_t tlli1 = 0xf1223344; |
| 2001 | const char *imsi = "0011223344"; |
| 2002 | uint8_t ms_class = 1; |
| 2003 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 2004 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2005 | GprsMs *ms, *ms1, *ms2; |
| 2006 | |
| 2007 | printf("=== start %s ===\n", __func__); |
| 2008 | |
| 2009 | setup_bts(&the_bts, ts_no, 1); |
| 2010 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2011 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, |
| 2012 | ms_class, 0); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2013 | |
| 2014 | ms1 = ul_tbf->ms(); |
| 2015 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 2016 | |
| 2017 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 1 *************", 20); |
| 2018 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)"DATA 2 *************", 20); |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2019 | fprintf(stderr, "Old MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %zu\n", |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2020 | ms1->tlli(), ms1->ta(), ms1->imsi(), ms1->llc_queue()->size()); |
| 2021 | |
| 2022 | OSMO_ASSERT(ms1->llc_queue()->size() == 2); |
| 2023 | dl_tbf = ms1->dl_tbf(); |
| 2024 | OSMO_ASSERT(dl_tbf != NULL); |
| 2025 | |
| 2026 | /* Get rid of old UL TBF */ |
| 2027 | tbf_free(ul_tbf); |
| 2028 | ms = the_bts.ms_by_tlli(tlli1); |
| 2029 | OSMO_ASSERT(ms1 == ms); |
| 2030 | |
| 2031 | /* Now establish a new UL TBF */ |
| 2032 | ul_tbf = establish_ul_tbf_single_phase(&the_bts, ts_no, tlli1, &fn, qta); |
| 2033 | |
| 2034 | ms2 = ul_tbf->ms(); |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2035 | fprintf(stderr, "New MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %zu\n", |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2036 | ms2->tlli(), ms2->ta(), ms2->imsi(), ms2->llc_queue()->size()); |
| 2037 | |
| 2038 | /* There should be a different MS object */ |
| 2039 | OSMO_ASSERT(ms2 != ms1); |
| 2040 | |
| 2041 | ms = the_bts.ms_by_tlli(tlli1); |
| 2042 | OSMO_ASSERT(ms2 == ms); |
| 2043 | OSMO_ASSERT(ms1 != ms); |
| 2044 | |
Jacob Erlbeck | 5f93f85 | 2016-01-21 20:48:39 +0100 | [diff] [blame] | 2045 | /* DL TBF should be removed */ |
| 2046 | OSMO_ASSERT(!ms->dl_tbf()); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2047 | |
| 2048 | /* No queued packets should be lost */ |
Jacob Erlbeck | 9659d59 | 2015-09-01 11:06:14 +0200 | [diff] [blame] | 2049 | OSMO_ASSERT(ms->llc_queue()->size() == 2); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 2050 | |
| 2051 | printf("=== end %s ===\n", __func__); |
| 2052 | } |
| 2053 | |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2054 | static void test_tbf_dl_reuse() |
| 2055 | { |
| 2056 | BTS the_bts; |
| 2057 | int ts_no = 7; |
| 2058 | uint32_t fn = 2654218; |
| 2059 | uint16_t qta = 31; |
| 2060 | uint32_t tlli1 = 0xf1223344; |
| 2061 | const char *imsi = "0011223344"; |
| 2062 | uint8_t ms_class = 1; |
| 2063 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 2064 | gprs_rlcmac_dl_tbf *dl_tbf1, *dl_tbf2; |
| 2065 | GprsMs *ms1, *ms2; |
| 2066 | unsigned i; |
| 2067 | RlcMacUplink_t ulreq = {0}; |
| 2068 | |
| 2069 | printf("=== start %s ===\n", __func__); |
| 2070 | |
| 2071 | setup_bts(&the_bts, ts_no, 1); |
| 2072 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2073 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli1, &fn, qta, |
| 2074 | ms_class, 0); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2075 | |
| 2076 | ms1 = ul_tbf->ms(); |
| 2077 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 2078 | |
| 2079 | /* Send some LLC frames */ |
| 2080 | for (i = 0; i < 40; i++) { |
| 2081 | char buf[32]; |
| 2082 | int rc; |
| 2083 | |
| 2084 | rc = snprintf(buf, sizeof(buf), "LLC PACKET %02i", i); |
| 2085 | OSMO_ASSERT(rc > 0); |
| 2086 | |
| 2087 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)buf, rc); |
| 2088 | } |
| 2089 | |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2090 | fprintf(stderr, "Old MS: TLLI = 0x%08x, TA = %d, IMSI = %s, LLC = %zu\n", |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2091 | ms1->tlli(), ms1->ta(), ms1->imsi(), ms1->llc_queue()->size()); |
| 2092 | |
| 2093 | /* Send Packet Downlink Assignment to MS */ |
| 2094 | request_dl_rlc_block(ul_tbf, &fn); |
| 2095 | |
| 2096 | /* Ack it */ |
| 2097 | send_control_ack(ul_tbf); |
| 2098 | |
| 2099 | /* Transmit all data */ |
| 2100 | transmit_dl_data(&the_bts, tlli1, &fn); |
| 2101 | OSMO_ASSERT(ms1->llc_queue()->size() == 0); |
| 2102 | OSMO_ASSERT(ms1->dl_tbf()); |
| 2103 | OSMO_ASSERT(ms1->dl_tbf()->state_is(GPRS_RLCMAC_FINISHED)); |
| 2104 | |
| 2105 | dl_tbf1 = ms1->dl_tbf(); |
| 2106 | |
| 2107 | /* Send some LLC frames */ |
| 2108 | for (i = 0; i < 10; i++) { |
| 2109 | char buf[32]; |
| 2110 | int rc; |
| 2111 | |
| 2112 | rc = snprintf(buf, sizeof(buf), "LLC PACKET %02i (TBF 2)", i); |
| 2113 | OSMO_ASSERT(rc > 0); |
| 2114 | |
| 2115 | send_dl_data(&the_bts, tlli1, imsi, (const uint8_t *)buf, rc); |
| 2116 | } |
| 2117 | |
| 2118 | /* Fake Final DL Ack/Nack */ |
| 2119 | ulreq.u.MESSAGE_TYPE = MT_PACKET_DOWNLINK_ACK_NACK; |
| 2120 | Packet_Downlink_Ack_Nack_t *ack = &ulreq.u.Packet_Downlink_Ack_Nack; |
| 2121 | |
| 2122 | ack->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 2123 | ack->DOWNLINK_TFI = dl_tbf1->tfi(); |
| 2124 | ack->Ack_Nack_Description.FINAL_ACK_INDICATION = 1; |
| 2125 | |
Jacob Erlbeck | 8eb1714 | 2016-01-22 17:58:17 +0100 | [diff] [blame] | 2126 | 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] | 2127 | |
| 2128 | OSMO_ASSERT(dl_tbf1->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
| 2129 | |
| 2130 | request_dl_rlc_block(dl_tbf1, &fn); |
| 2131 | |
| 2132 | ms2 = the_bts.ms_by_tlli(tlli1); |
| 2133 | OSMO_ASSERT(ms2 == ms1); |
| 2134 | OSMO_ASSERT(ms2->dl_tbf()); |
Neels Hofmeyr | 4ea4526 | 2016-06-08 15:27:40 +0200 | [diff] [blame] | 2135 | OSMO_ASSERT(ms2->dl_tbf()->state_is(GPRS_RLCMAC_ASSIGN)); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2136 | |
| 2137 | dl_tbf2 = ms2->dl_tbf(); |
| 2138 | |
| 2139 | OSMO_ASSERT(dl_tbf1 != dl_tbf2); |
| 2140 | |
| 2141 | send_control_ack(dl_tbf1); |
Jacob Erlbeck | 6835cea | 2015-08-21 15:24:02 +0200 | [diff] [blame] | 2142 | OSMO_ASSERT(dl_tbf2->state_is(GPRS_RLCMAC_FLOW)); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2143 | |
| 2144 | /* Transmit all data */ |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2145 | transmit_dl_data(&the_bts, tlli1, &fn); |
| 2146 | OSMO_ASSERT(ms2->llc_queue()->size() == 0); |
| 2147 | OSMO_ASSERT(ms2->dl_tbf()); |
| 2148 | OSMO_ASSERT(ms2->dl_tbf()->state_is(GPRS_RLCMAC_FINISHED)); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 2149 | |
| 2150 | printf("=== end %s ===\n", __func__); |
| 2151 | } |
| 2152 | |
Jacob Erlbeck | 9b3d7e0 | 2016-01-19 10:44:42 +0100 | [diff] [blame] | 2153 | static void test_tbf_gprs_egprs() |
| 2154 | { |
| 2155 | BTS the_bts; |
| 2156 | gprs_rlcmac_bts *bts; |
| 2157 | uint8_t ts_no = 4; |
| 2158 | uint8_t ms_class = 45; |
| 2159 | int rc = 0; |
| 2160 | uint32_t tlli = 0xc0006789; |
| 2161 | const char *imsi = "001001123456789"; |
| 2162 | unsigned delay_csec = 1000; |
| 2163 | |
| 2164 | uint8_t buf[256] = {0}; |
| 2165 | |
| 2166 | printf("=== start %s ===\n", __func__); |
| 2167 | |
| 2168 | bts = the_bts.bts_data(); |
| 2169 | setup_bts(&the_bts, ts_no); |
| 2170 | |
| 2171 | /* EGPRS-only */ |
| 2172 | bts->egprs_enabled = 1; |
| 2173 | |
| 2174 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 2175 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 2176 | |
| 2177 | /* Does not support EGPRS */ |
| 2178 | rc = gprs_rlcmac_dl_tbf::handle(bts, tlli, 0, imsi, ms_class, 0, |
| 2179 | delay_csec, buf, sizeof(buf)); |
| 2180 | |
| 2181 | OSMO_ASSERT(rc == -EBUSY); |
| 2182 | printf("=== end %s ===\n", __func__); |
| 2183 | |
| 2184 | gprs_bssgp_destroy(); |
| 2185 | } |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 2186 | |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 2187 | static void test_tbf_ws() |
| 2188 | { |
| 2189 | BTS the_bts; |
| 2190 | gprs_rlcmac_bts *bts; |
| 2191 | uint8_t ts_no = 4; |
| 2192 | uint8_t ms_class = 12; |
| 2193 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2194 | |
| 2195 | printf("=== start %s ===\n", __func__); |
| 2196 | |
| 2197 | bts = the_bts.bts_data(); |
| 2198 | setup_bts(&the_bts, ts_no); |
| 2199 | |
| 2200 | bts->ws_base = 128; |
| 2201 | bts->ws_pdch = 64; |
| 2202 | bts->alloc_algorithm = alloc_algorithm_b; |
| 2203 | bts->trx[0].pdch[2].enable(); |
| 2204 | bts->trx[0].pdch[3].enable(); |
| 2205 | bts->trx[0].pdch[4].enable(); |
| 2206 | bts->trx[0].pdch[5].enable(); |
| 2207 | |
| 2208 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 2209 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 2210 | |
| 2211 | /* Does no support EGPRS */ |
| 2212 | dl_tbf = tbf_alloc_dl_tbf(bts, NULL, 0, ms_class, 0, 0); |
| 2213 | OSMO_ASSERT(dl_tbf != NULL); |
| 2214 | fprintf(stderr, "DL TBF slots: 0x%02x, N: %d, WS: %d\n", |
| 2215 | dl_tbf->dl_slots(), |
| 2216 | pcu_bitcount(dl_tbf->dl_slots()), |
| 2217 | dl_tbf->window()->ws()); |
| 2218 | OSMO_ASSERT(pcu_bitcount(dl_tbf->dl_slots()) == 4); |
| 2219 | OSMO_ASSERT(dl_tbf->window()->ws() == 64); |
| 2220 | tbf_free(dl_tbf); |
| 2221 | |
| 2222 | /* EGPRS-only */ |
| 2223 | bts->egprs_enabled = 1; |
| 2224 | |
| 2225 | /* Does support EGPRS */ |
| 2226 | dl_tbf = tbf_alloc_dl_tbf(bts, NULL, 0, ms_class, ms_class, 0); |
| 2227 | |
| 2228 | OSMO_ASSERT(dl_tbf != NULL); |
| 2229 | fprintf(stderr, "DL TBF slots: 0x%02x, N: %d, WS: %d\n", |
| 2230 | dl_tbf->dl_slots(), |
| 2231 | pcu_bitcount(dl_tbf->dl_slots()), |
| 2232 | dl_tbf->window()->ws()); |
| 2233 | OSMO_ASSERT(pcu_bitcount(dl_tbf->dl_slots()) == 4); |
| 2234 | OSMO_ASSERT(dl_tbf->window()->ws() == 128 + 4 * 64); |
| 2235 | tbf_free(dl_tbf); |
| 2236 | |
| 2237 | printf("=== end %s ===\n", __func__); |
| 2238 | |
| 2239 | gprs_bssgp_destroy(); |
| 2240 | } |
| 2241 | |
Aravind Sirsikar | 3c2eaeb | 2016-08-30 15:39:04 +0530 | [diff] [blame] | 2242 | static void test_tbf_update_ws(void) |
| 2243 | { |
| 2244 | BTS the_bts; |
| 2245 | gprs_rlcmac_bts *bts; |
| 2246 | uint8_t ts_no = 4; |
| 2247 | uint8_t ms_class = 11; |
| 2248 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2249 | |
| 2250 | printf("=== start %s ===\n", __func__); |
| 2251 | |
| 2252 | bts = the_bts.bts_data(); |
| 2253 | setup_bts(&the_bts, ts_no); |
| 2254 | |
| 2255 | bts->ws_base = 128; |
| 2256 | bts->ws_pdch = 64; |
| 2257 | bts->alloc_algorithm = alloc_algorithm_b; |
| 2258 | bts->trx[0].pdch[2].enable(); |
| 2259 | bts->trx[0].pdch[3].enable(); |
| 2260 | bts->trx[0].pdch[4].enable(); |
| 2261 | bts->trx[0].pdch[5].enable(); |
| 2262 | |
| 2263 | gprs_bssgp_create_and_connect(bts, 33001, 0, 33001, |
| 2264 | 1234, 1234, 1234, 1, 1, 0, 0, 0); |
| 2265 | |
| 2266 | /* EGPRS-only */ |
| 2267 | bts->egprs_enabled = 1; |
| 2268 | |
| 2269 | /* Does support EGPRS */ |
| 2270 | dl_tbf = tbf_alloc_dl_tbf(bts, NULL, 0, ms_class, ms_class, 1); |
| 2271 | |
| 2272 | OSMO_ASSERT(dl_tbf != NULL); |
| 2273 | fprintf(stderr, "DL TBF slots: 0x%02x, N: %d, WS: %d\n", |
| 2274 | dl_tbf->dl_slots(), |
| 2275 | pcu_bitcount(dl_tbf->dl_slots()), |
| 2276 | dl_tbf->window()->ws()); |
| 2277 | OSMO_ASSERT(pcu_bitcount(dl_tbf->dl_slots()) == 1); |
| 2278 | OSMO_ASSERT(dl_tbf->window()->ws() == 128 + 1 * 64); |
| 2279 | |
| 2280 | dl_tbf->update(); |
| 2281 | |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 2282 | /* window size should be 384 */ |
Aravind Sirsikar | 3c2eaeb | 2016-08-30 15:39:04 +0530 | [diff] [blame] | 2283 | OSMO_ASSERT(dl_tbf != NULL); |
| 2284 | fprintf(stderr, "DL TBF slots: 0x%02x, N: %d, WS: %d\n", |
| 2285 | dl_tbf->dl_slots(), |
| 2286 | pcu_bitcount(dl_tbf->dl_slots()), |
| 2287 | dl_tbf->window()->ws()); |
| 2288 | OSMO_ASSERT(pcu_bitcount(dl_tbf->dl_slots()) == 4); |
Aravind Sirsikar | 0ee31cf | 2016-09-15 17:54:46 +0530 | [diff] [blame] | 2289 | OSMO_ASSERT(dl_tbf->window()->ws() == 128 + 4 * 64); |
Aravind Sirsikar | 3c2eaeb | 2016-08-30 15:39:04 +0530 | [diff] [blame] | 2290 | |
| 2291 | tbf_free(dl_tbf); |
| 2292 | |
| 2293 | printf("=== end %s ===\n", __func__); |
| 2294 | |
| 2295 | gprs_bssgp_destroy(); |
| 2296 | } |
| 2297 | |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 2298 | static void test_tbf_puan_urbb_len(void) |
| 2299 | { |
| 2300 | BTS the_bts; |
| 2301 | int ts_no = 7; |
| 2302 | uint32_t fn = 2654218; |
| 2303 | uint16_t qta = 31; |
| 2304 | uint32_t tlli = 0xf1223344; |
| 2305 | const char *imsi = "0011223344"; |
| 2306 | uint8_t ms_class = 1; |
| 2307 | uint8_t egprs_ms_class = 1; |
| 2308 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 2309 | GprsMs *ms; |
| 2310 | uint8_t test_data[256]; |
| 2311 | |
| 2312 | printf("=== start %s ===\n", __func__); |
| 2313 | |
| 2314 | memset(test_data, 1, sizeof(test_data)); |
| 2315 | |
| 2316 | setup_bts(&the_bts, ts_no, 4); |
| 2317 | the_bts.bts_data()->initial_mcs_dl = 9; |
| 2318 | the_bts.bts_data()->egprs_enabled = 1; |
| 2319 | |
| 2320 | ul_tbf = puan_urbb_len_issue(&the_bts, ts_no, tlli, &fn, qta, |
| 2321 | ms_class, egprs_ms_class); |
| 2322 | |
| 2323 | ms = ul_tbf->ms(); |
| 2324 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 2325 | fprintf(stderr, |
| 2326 | "Got MS: TLLI = 0x%08x, TA = %d\n", ms->tlli(), ms->ta()); |
| 2327 | |
| 2328 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 2329 | |
| 2330 | printf("=== end %s ===\n", __func__); |
| 2331 | } |
| 2332 | |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 2333 | static gprs_rlcmac_ul_tbf *tbf_li_decoding(BTS *the_bts, |
| 2334 | uint8_t ts_no, uint32_t tlli, uint32_t *fn, uint16_t qta, |
| 2335 | uint8_t ms_class, uint8_t egprs_ms_class) |
| 2336 | { |
| 2337 | GprsMs *ms; |
| 2338 | uint32_t rach_fn = *fn - 51; |
| 2339 | uint32_t sba_fn = *fn + 52; |
| 2340 | uint8_t trx_no = 0; |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2341 | int tfi = 0; |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 2342 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 2343 | struct gprs_rlcmac_pdch *pdch; |
| 2344 | gprs_rlcmac_bts *bts; |
| 2345 | RlcMacUplink_t ulreq = {0}; |
| 2346 | struct pcu_l1_meas meas; |
| 2347 | struct gprs_rlc_ul_header_egprs_3 *egprs3 = NULL; |
| 2348 | GprsCodingScheme cs; |
| 2349 | Packet_Resource_Request_t *presreq = NULL; |
| 2350 | MS_Radio_Access_capability_t *pmsradiocap = NULL; |
| 2351 | Multislot_capability_t *pmultislotcap = NULL; |
| 2352 | |
| 2353 | meas.set_rssi(31); |
| 2354 | bts = the_bts->bts_data(); |
| 2355 | |
| 2356 | /* needed to set last_rts_fn in the PDCH object */ |
| 2357 | request_dl_rlc_block(bts, trx_no, ts_no, fn); |
| 2358 | |
| 2359 | /* |
| 2360 | * simulate RACH, this sends an Immediate |
| 2361 | * Assignment Uplink on the AGCH |
| 2362 | */ |
| 2363 | the_bts->rcv_rach(0x73, rach_fn, qta, 0, GSM_L1_BURST_TYPE_ACCESS_0); |
| 2364 | |
| 2365 | /* get next free TFI */ |
| 2366 | tfi = the_bts->tfi_find_free(GPRS_RLCMAC_UL_TBF, &trx_no, -1); |
| 2367 | |
| 2368 | /* fake a resource request */ |
| 2369 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 2370 | presreq = &ulreq.u.Packet_Resource_Request; |
| 2371 | presreq->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 2372 | presreq->ID.UnionType = 1; /* != 0 */ |
| 2373 | presreq->ID.u.TLLI = tlli; |
| 2374 | presreq->Exist_MS_Radio_Access_capability = 1; |
| 2375 | pmsradiocap = &presreq->MS_Radio_Access_capability; |
| 2376 | pmsradiocap->Count_MS_RA_capability_value = 1; |
| 2377 | pmsradiocap->MS_RA_capability_value[0].u.Content. |
| 2378 | Exist_Multislot_capability = 1; |
| 2379 | pmultislotcap = &pmsradiocap->MS_RA_capability_value[0]. |
| 2380 | u.Content.Multislot_capability; |
| 2381 | |
| 2382 | pmultislotcap->Exist_GPRS_multislot_class = 1; |
| 2383 | pmultislotcap->GPRS_multislot_class = ms_class; |
| 2384 | if (egprs_ms_class) { |
| 2385 | pmultislotcap->Exist_EGPRS_multislot_class = 1; |
| 2386 | pmultislotcap->EGPRS_multislot_class = ms_class; |
| 2387 | } |
| 2388 | |
| 2389 | send_ul_mac_block(the_bts, trx_no, ts_no, &ulreq, sba_fn); |
| 2390 | |
| 2391 | /* check the TBF */ |
| 2392 | ul_tbf = the_bts->ul_tbf_by_tfi(tfi, trx_no, ts_no); |
| 2393 | OSMO_ASSERT(ul_tbf); |
| 2394 | OSMO_ASSERT(ul_tbf->ta() == qta / 4); |
| 2395 | |
| 2396 | /* send packet uplink assignment */ |
| 2397 | *fn = sba_fn; |
| 2398 | request_dl_rlc_block(ul_tbf, fn); |
| 2399 | |
| 2400 | /* send real acknowledgement */ |
| 2401 | send_control_ack(ul_tbf); |
| 2402 | |
| 2403 | check_tbf(ul_tbf); |
| 2404 | |
| 2405 | uint8_t data_msg[49] = {0}; |
| 2406 | |
| 2407 | pdch = &the_bts->bts_data()->trx[trx_no].pdch[ts_no]; |
| 2408 | |
| 2409 | ms = the_bts->ms_by_tlli(tlli); |
| 2410 | OSMO_ASSERT(ms != NULL); |
| 2411 | OSMO_ASSERT(ms->ta() == qta/4); |
| 2412 | OSMO_ASSERT(ms->ul_tbf() == ul_tbf); |
| 2413 | |
| 2414 | cs = GprsCodingScheme::MCS4; |
| 2415 | egprs3 = (struct gprs_rlc_ul_header_egprs_3 *) data_msg; |
| 2416 | egprs3->si = 0; |
| 2417 | egprs3->r = 1; |
| 2418 | egprs3->cv = 7; |
| 2419 | egprs3->tfi_hi = tfi & 0x03; |
| 2420 | egprs3->tfi_lo = (tfi & 0x1c) >> 2; |
| 2421 | egprs3->bsn1_hi = 0; |
| 2422 | egprs3->bsn1_lo = 0; |
| 2423 | egprs3->cps_hi = 1; |
| 2424 | data_msg[3] = 0xff; |
| 2425 | egprs3->pi = 0; |
| 2426 | egprs3->cps_lo = 1; |
| 2427 | egprs3->rsb = 0; |
| 2428 | egprs3->spb = 0; |
| 2429 | egprs3->pi = 0; |
| 2430 | pdch->rcv_block(data_msg, 49, *fn, &meas); |
| 2431 | |
| 2432 | egprs3->bsn1_hi = 1; |
| 2433 | egprs3->bsn1_lo = 0; |
| 2434 | data_msg[3] = 0x7f; |
| 2435 | egprs3->cps_lo = 1; |
| 2436 | egprs3->rsb = 0; |
| 2437 | egprs3->spb = 0; |
| 2438 | egprs3->pi = 0; |
| 2439 | data_msg[4] = 0x2; |
| 2440 | data_msg[5] = 0x0; |
| 2441 | pdch->rcv_block(data_msg, 49, *fn, &meas); |
| 2442 | |
Aravind Sirsikar | 22a9019 | 2016-09-15 17:24:49 +0530 | [diff] [blame] | 2443 | OSMO_ASSERT(ul_tbf->m_llc.m_index == 43); |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 2444 | |
| 2445 | return ul_tbf; |
| 2446 | } |
| 2447 | |
| 2448 | static void test_tbf_li_decoding(void) |
| 2449 | { |
| 2450 | BTS the_bts; |
| 2451 | int ts_no = 7; |
| 2452 | uint32_t fn = 2654218; |
| 2453 | uint16_t qta = 31; |
| 2454 | uint32_t tlli = 0xf1223344; |
| 2455 | const char *imsi = "0011223344"; |
| 2456 | uint8_t ms_class = 1; |
| 2457 | uint8_t egprs_ms_class = 1; |
| 2458 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 2459 | GprsMs *ms; |
| 2460 | uint8_t test_data[256]; |
| 2461 | |
| 2462 | printf("=== start %s ===\n", __func__); |
| 2463 | |
| 2464 | memset(test_data, 1, sizeof(test_data)); |
| 2465 | |
| 2466 | setup_bts(&the_bts, ts_no, 4); |
| 2467 | the_bts.bts_data()->initial_mcs_dl = 9; |
| 2468 | the_bts.bts_data()->egprs_enabled = 1; |
| 2469 | |
| 2470 | ul_tbf = tbf_li_decoding(&the_bts, ts_no, tlli, &fn, qta, |
| 2471 | ms_class, egprs_ms_class); |
| 2472 | |
| 2473 | ms = ul_tbf->ms(); |
| 2474 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 2475 | fprintf(stderr, |
| 2476 | "Got MS: TLLI = 0x%08x, TA = %d\n", ms->tlli(), ms->ta()); |
| 2477 | |
| 2478 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 2479 | |
| 2480 | printf("=== end %s ===\n", __func__); |
| 2481 | } |
| 2482 | |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2483 | /* |
| 2484 | * Test that a bit within the uncompressed bitmap whose BSN is not within |
| 2485 | * the transmit window shall be ignored. See section 9.1.8.2.4 of 44.060 |
| 2486 | * version 7.27.0 Release 7. |
| 2487 | */ |
| 2488 | static void test_tbf_epdan_out_of_rx_window(void) |
| 2489 | { |
| 2490 | BTS the_bts; |
| 2491 | gprs_rlcmac_bts *bts; |
| 2492 | uint8_t ms_class = 11; |
| 2493 | uint8_t egprs_ms_class = 11; |
| 2494 | uint8_t trx_no; |
| 2495 | uint32_t tlli = 0xffeeddcc; |
| 2496 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2497 | int ts_no = 4; |
| 2498 | bitvec *block; |
| 2499 | uint8_t bits_data[RLC_EGPRS_MAX_WS/8]; |
| 2500 | bitvec bits; |
| 2501 | int bsn_begin, bsn_end; |
| 2502 | EGPRS_PD_AckNack_t *ack_nack; |
| 2503 | RlcMacUplink_t ul_control_block; |
| 2504 | gprs_rlc_v_b *prlcmvb; |
| 2505 | gprs_rlc_dl_window *prlcdlwindow; |
| 2506 | |
aravind sirsikar | cc4214a | 2016-12-09 16:12:42 +0530 | [diff] [blame] | 2507 | memset(&ul_control_block, 0, sizeof(RlcMacUplink_t)); |
| 2508 | |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2509 | printf("=== start %s ===\n", __func__); |
| 2510 | |
| 2511 | bts = the_bts.bts_data(); |
| 2512 | |
| 2513 | setup_bts(&the_bts, ts_no); |
| 2514 | bts->dl_tbf_idle_msec = 200; |
| 2515 | bts->egprs_enabled = 1; |
| 2516 | /* ARQ II */ |
| 2517 | bts->dl_arq_type = EGPRS_ARQ2; |
| 2518 | |
| 2519 | /* |
| 2520 | * Simulate a message captured during over-the-air testing, |
| 2521 | * where the following values were observed: |
| 2522 | * v_a = 1176, vs = 1288, max sns = 2048, window size = 480. |
| 2523 | */ |
| 2524 | uint8_t data_msg[23] = {0x40, 0x20, 0x0b, 0xff, 0xd1, |
| 2525 | 0x61, 0x00, 0x3e, 0x0e, 0x51, 0x9f, |
| 2526 | 0xff, 0xff, 0xfb, 0x80, 0x00, 0x00, |
| 2527 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| 2528 | |
| 2529 | dl_tbf = create_dl_tbf(&the_bts, ms_class, egprs_ms_class, &trx_no); |
| 2530 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| 2531 | prlcdlwindow = &dl_tbf->m_window; |
| 2532 | prlcmvb = &prlcdlwindow->m_v_b; |
| 2533 | prlcdlwindow->m_v_s = 1288; |
| 2534 | prlcdlwindow->m_v_a = 1176; |
| 2535 | prlcdlwindow->set_sns(2048); |
| 2536 | prlcdlwindow->set_ws(480); |
| 2537 | prlcmvb->mark_unacked(1176); |
| 2538 | prlcmvb->mark_unacked(1177); |
| 2539 | prlcmvb->mark_unacked(1286); |
| 2540 | prlcmvb->mark_unacked(1287); |
| 2541 | |
| 2542 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2543 | |
Alexander Couzens | ccde5c9 | 2017-02-04 03:10:08 +0100 | [diff] [blame] | 2544 | block = bitvec_alloc(23, tall_pcu_ctx); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2545 | |
| 2546 | bitvec_unpack(block, data_msg); |
| 2547 | |
| 2548 | bits.data = bits_data; |
| 2549 | bits.data_len = sizeof(bits_data); |
| 2550 | bits.cur_bit = 0; |
| 2551 | |
| 2552 | decode_gsm_rlcmac_uplink(block, &ul_control_block); |
| 2553 | |
| 2554 | ack_nack = &ul_control_block.u.Egprs_Packet_Downlink_Ack_Nack; |
| 2555 | |
| 2556 | OSMO_ASSERT(prlcmvb->is_unacked(1176)); |
| 2557 | OSMO_ASSERT(prlcmvb->is_unacked(1177)); |
| 2558 | OSMO_ASSERT(prlcmvb->is_unacked(1286)); |
| 2559 | OSMO_ASSERT(prlcmvb->is_unacked(1287)); |
| 2560 | |
| 2561 | Decoding::decode_egprs_acknack_bits( |
| 2562 | &ack_nack->EGPRS_AckNack.Desc, &bits, |
| 2563 | &bsn_begin, &bsn_end, &dl_tbf->m_window); |
| 2564 | |
| 2565 | dl_tbf->rcvd_dl_ack( |
| 2566 | ack_nack->EGPRS_AckNack.Desc.FINAL_ACK_INDICATION, |
| 2567 | bsn_begin, &bits); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2568 | |
aravind sirsikar | fb41afa | 2016-11-02 15:48:00 +0530 | [diff] [blame] | 2569 | OSMO_ASSERT(prlcmvb->is_invalid(1176)); |
| 2570 | OSMO_ASSERT(prlcmvb->is_invalid(1177)); |
| 2571 | OSMO_ASSERT(prlcmvb->is_acked(1286)); |
| 2572 | OSMO_ASSERT(prlcmvb->is_acked(1287)); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 2573 | |
| 2574 | bitvec_free(block); |
| 2575 | tbf_free(dl_tbf); |
| 2576 | printf("=== end %s ===\n", __func__); |
| 2577 | } |
| 2578 | |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 2579 | static void test_tbf_egprs_two_phase_spb(void) |
| 2580 | { |
| 2581 | BTS the_bts; |
| 2582 | int ts_no = 7; |
| 2583 | uint32_t fn = 2654218; |
| 2584 | uint16_t qta = 31; |
| 2585 | uint32_t tlli = 0xf1223344; |
| 2586 | const char *imsi = "0011223344"; |
| 2587 | uint8_t ms_class = 1; |
| 2588 | uint8_t egprs_ms_class = 1; |
| 2589 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 2590 | GprsMs *ms; |
| 2591 | uint8_t test_data[256]; |
| 2592 | |
| 2593 | printf("=== start %s ===\n", __func__); |
| 2594 | |
| 2595 | memset(test_data, 1, sizeof(test_data)); |
| 2596 | |
| 2597 | setup_bts(&the_bts, ts_no, 4); |
| 2598 | the_bts.bts_data()->initial_mcs_dl = 9; |
| 2599 | the_bts.bts_data()->egprs_enabled = 1; |
| 2600 | |
| 2601 | ul_tbf = establish_ul_tbf_two_phase_spb(&the_bts, ts_no, tlli, &fn, qta, |
| 2602 | ms_class, egprs_ms_class); |
| 2603 | |
| 2604 | ms = ul_tbf->ms(); |
| 2605 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 2606 | fprintf(stderr, |
| 2607 | "Got MS: TLLI = 0x%08x, TA = %d\n", ms->tlli(), ms->ta()); |
| 2608 | |
| 2609 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 2610 | |
| 2611 | printf("=== end %s ===\n", __func__); |
| 2612 | } |
| 2613 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 2614 | static void test_tbf_egprs_two_phase() |
| 2615 | { |
| 2616 | BTS the_bts; |
| 2617 | int ts_no = 7; |
| 2618 | uint32_t fn = 2654218; |
| 2619 | uint16_t qta = 31; |
| 2620 | uint32_t tlli = 0xf1223344; |
| 2621 | const char *imsi = "0011223344"; |
| 2622 | uint8_t ms_class = 1; |
| 2623 | uint8_t egprs_ms_class = 1; |
| 2624 | gprs_rlcmac_ul_tbf *ul_tbf; |
| 2625 | GprsMs *ms; |
| 2626 | uint8_t test_data[256]; |
| 2627 | |
| 2628 | printf("=== start %s ===\n", __func__); |
| 2629 | |
| 2630 | memset(test_data, 1, sizeof(test_data)); |
| 2631 | |
| 2632 | setup_bts(&the_bts, ts_no, 4); |
| 2633 | the_bts.bts_data()->initial_mcs_dl = 9; |
| 2634 | the_bts.bts_data()->egprs_enabled = 1; |
| 2635 | |
| 2636 | ul_tbf = establish_ul_tbf_two_phase(&the_bts, ts_no, tlli, &fn, qta, |
| 2637 | ms_class, egprs_ms_class); |
| 2638 | |
| 2639 | ms = ul_tbf->ms(); |
| 2640 | fprintf(stderr, "Got '%s', TA=%d\n", ul_tbf->name(), ul_tbf->ta()); |
| 2641 | fprintf(stderr, "Got MS: TLLI = 0x%08x, TA = %d\n", ms->tlli(), ms->ta()); |
| 2642 | |
| 2643 | send_dl_data(&the_bts, tlli, imsi, test_data, sizeof(test_data)); |
| 2644 | |
| 2645 | printf("=== end %s ===\n", __func__); |
| 2646 | } |
| 2647 | |
| 2648 | static void establish_and_use_egprs_dl_tbf(BTS *the_bts, int mcs) |
| 2649 | { |
| 2650 | unsigned i; |
| 2651 | uint8_t ms_class = 11; |
| 2652 | uint8_t egprs_ms_class = 11; |
| 2653 | uint32_t fn = 0; |
| 2654 | uint8_t trx_no; |
| 2655 | uint32_t tlli = 0xffeeddcc; |
| 2656 | uint8_t test_data[512]; |
| 2657 | |
| 2658 | uint8_t rbb[64/8]; |
| 2659 | |
| 2660 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2661 | |
| 2662 | printf("Testing MCS-%d\n", mcs); |
| 2663 | |
| 2664 | memset(test_data, 1, sizeof(test_data)); |
| 2665 | the_bts->bts_data()->initial_mcs_dl = mcs; |
| 2666 | |
| 2667 | dl_tbf = create_dl_tbf(the_bts, ms_class, egprs_ms_class, &trx_no); |
| 2668 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| 2669 | |
| 2670 | for (i = 0; i < sizeof(llc_data); i++) |
| 2671 | llc_data[i] = i%256; |
| 2672 | |
| 2673 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2674 | |
| 2675 | /* Schedule a small LLC frame */ |
| 2676 | dl_tbf->append_data(ms_class, 1000, test_data, 10); |
| 2677 | |
| 2678 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2679 | |
| 2680 | /* Drain the queue */ |
| 2681 | while (dl_tbf->have_data()) |
| 2682 | /* Request to send one RLC/MAC block */ |
| 2683 | request_dl_rlc_block(dl_tbf, &fn); |
| 2684 | |
| 2685 | /* Schedule a large LLC frame */ |
| 2686 | dl_tbf->append_data(ms_class, 1000, test_data, sizeof(test_data)); |
| 2687 | |
| 2688 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2689 | |
| 2690 | /* Drain the queue */ |
| 2691 | while (dl_tbf->have_data()) |
| 2692 | /* Request to send one RLC/MAC block */ |
| 2693 | request_dl_rlc_block(dl_tbf, &fn); |
| 2694 | |
| 2695 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2696 | |
| 2697 | /* Receive a final ACK */ |
| 2698 | dl_tbf->rcvd_dl_ack(1, dl_tbf->m_window.v_s(), rbb); |
| 2699 | |
| 2700 | /* Clean up and ensure tbfs are in the correct state */ |
| 2701 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
| 2702 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 2703 | check_tbf(dl_tbf); |
| 2704 | tbf_free(dl_tbf); |
| 2705 | } |
| 2706 | |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2707 | static gprs_rlcmac_dl_tbf *tbf_init(BTS *the_bts, |
| 2708 | int mcs) |
| 2709 | { |
| 2710 | unsigned i; |
| 2711 | uint8_t ms_class = 11; |
| 2712 | uint8_t egprs_ms_class = 11; |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2713 | uint8_t trx_no; |
| 2714 | uint32_t tlli = 0xffeeddcc; |
| 2715 | uint8_t test_data[512]; |
| 2716 | |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2717 | gprs_rlcmac_dl_tbf *dl_tbf; |
| 2718 | |
| 2719 | memset(test_data, 1, sizeof(test_data)); |
| 2720 | the_bts->bts_data()->initial_mcs_dl = mcs; |
| 2721 | |
| 2722 | dl_tbf = create_dl_tbf(the_bts, ms_class, egprs_ms_class, &trx_no); |
| 2723 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| 2724 | |
| 2725 | for (i = 0; i < sizeof(test_data); i++) |
| 2726 | test_data[i] = i%256; |
| 2727 | |
| 2728 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2729 | |
| 2730 | /* Schedule a LLC frame |
| 2731 | * passing only 100 bytes, since it is enough to construct |
| 2732 | * 2 RLC data blocks. Which are enough to test Header Type 1 |
| 2733 | * cases |
| 2734 | */ |
| 2735 | dl_tbf->append_data(ms_class, 1000, test_data, 100); |
| 2736 | |
| 2737 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_FLOW)); |
| 2738 | |
| 2739 | return dl_tbf; |
| 2740 | |
| 2741 | } |
| 2742 | |
| 2743 | static void tbf_cleanup(gprs_rlcmac_dl_tbf *dl_tbf) |
| 2744 | { |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2745 | uint8_t rbb[64/8]; |
| 2746 | |
| 2747 | /* Receive a final ACK */ |
| 2748 | dl_tbf->rcvd_dl_ack(1, dl_tbf->m_window.v_s(), rbb); |
| 2749 | |
| 2750 | /* Clean up and ensure tbfs are in the correct state */ |
| 2751 | OSMO_ASSERT(dl_tbf->state_is(GPRS_RLCMAC_WAIT_RELEASE)); |
| 2752 | dl_tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; |
| 2753 | check_tbf(dl_tbf); |
| 2754 | tbf_free(dl_tbf); |
| 2755 | |
| 2756 | } |
| 2757 | |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2758 | static void egprs_spb_to_normal_validation(BTS *the_bts, |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2759 | unsigned int mcs, unsigned int demanded_mcs) |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2760 | { |
| 2761 | uint32_t fn = 0; |
| 2762 | gprs_rlcmac_dl_tbf *dl_tbf; |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2763 | uint16_t bsn1, bsn2, bsn3; |
| 2764 | struct msgb *msg; |
| 2765 | struct gprs_rlc_dl_header_egprs_3 *egprs3; |
| 2766 | struct gprs_rlc_dl_header_egprs_2 *egprs2; |
| 2767 | |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2768 | 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] | 2769 | |
| 2770 | dl_tbf = tbf_init(the_bts, mcs); |
| 2771 | |
| 2772 | /* |
| 2773 | * Table 10.4.8a.3.1 of 44.060. |
| 2774 | * (MCS7, MCS9) to (MCS2, MCS3) is not handled since it is same as |
| 2775 | * (MCS5, MCS6) to (MCS2, MCS3) transition |
| 2776 | */ |
| 2777 | if (!(mcs == 6 && demanded_mcs == 3)) |
| 2778 | return; |
| 2779 | |
| 2780 | fn = fn_add_blocks(fn, 1); |
| 2781 | /* Send first RLC data block BSN 0 */ |
| 2782 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
| 2783 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(0)); |
| 2784 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->cs_current_trans.to_num() |
| 2785 | == mcs); |
| 2786 | |
| 2787 | egprs2 = (struct gprs_rlc_dl_header_egprs_2 *) msg->data; |
| 2788 | bsn1 = (egprs2->bsn1_hi << 9) || (egprs2->bsn1_mid << 1) |
| 2789 | || (egprs2->bsn1_lo); |
| 2790 | dl_tbf->m_window.m_v_b.mark_nacked(0); |
| 2791 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_nacked(0)); |
| 2792 | OSMO_ASSERT(bsn1 == 0); |
| 2793 | |
| 2794 | dl_tbf->ms()->set_current_cs_dl |
| 2795 | (static_cast < GprsCodingScheme::Scheme > |
| 2796 | (GprsCodingScheme::CS4 + demanded_mcs)); |
| 2797 | |
| 2798 | fn = fn_add_blocks(fn, 1); |
| 2799 | |
| 2800 | /* Send first segment with demanded_mcs */ |
| 2801 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
| 2802 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_nacked(0)); |
| 2803 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->cs_current_trans.to_num() |
| 2804 | == demanded_mcs); |
| 2805 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| 2806 | == EGPRS_RESEG_FIRST_SEG_SENT); |
| 2807 | |
| 2808 | egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| 2809 | OSMO_ASSERT(egprs3->spb == 2); |
| 2810 | |
| 2811 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2812 | OSMO_ASSERT(egprs3->cps == 3); |
| 2813 | |
| 2814 | /* Send second segment with demanded_mcs */ |
| 2815 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
| 2816 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(0)); |
| 2817 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->cs_current_trans.to_num() |
| 2818 | == demanded_mcs); |
| 2819 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| 2820 | == EGPRS_RESEG_SECOND_SEG_SENT); |
| 2821 | |
| 2822 | egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| 2823 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2824 | OSMO_ASSERT(egprs3->spb == 3); |
| 2825 | bsn2 = (egprs3->bsn1_hi << 9) || (egprs3->bsn1_mid << 1) || |
| 2826 | (egprs3->bsn1_lo); |
| 2827 | OSMO_ASSERT(bsn2 == bsn1); |
| 2828 | |
| 2829 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2830 | OSMO_ASSERT(egprs3->cps == 3); |
| 2831 | |
| 2832 | /* Handle (MCS3, MCS3) -> MCS6 case */ |
| 2833 | dl_tbf->ms()->set_current_cs_dl |
| 2834 | (static_cast < GprsCodingScheme::Scheme > |
| 2835 | (GprsCodingScheme::CS4 + mcs)); |
| 2836 | |
| 2837 | dl_tbf->m_window.m_v_b.mark_nacked(0); |
| 2838 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_nacked(0)); |
| 2839 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
| 2840 | egprs2 = (struct gprs_rlc_dl_header_egprs_2 *) msg->data; |
| 2841 | |
| 2842 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2843 | OSMO_ASSERT(egprs2->cps == 0); |
| 2844 | bsn3 = (egprs2->bsn1_hi << 9) || (egprs2->bsn1_mid << 1) || |
| 2845 | (egprs2->bsn1_lo); |
| 2846 | OSMO_ASSERT(bsn3 == bsn2); |
| 2847 | |
| 2848 | tbf_cleanup(dl_tbf); |
| 2849 | } |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2850 | |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2851 | 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] | 2852 | unsigned int mcs, unsigned int demanded_mcs) |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2853 | { |
| 2854 | uint32_t fn = 0; |
| 2855 | gprs_rlcmac_dl_tbf *dl_tbf; |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 2856 | struct msgb *msg; |
| 2857 | struct gprs_rlc_dl_header_egprs_3 *egprs3; |
| 2858 | |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2859 | 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] | 2860 | |
| 2861 | dl_tbf = tbf_init(the_bts, mcs); |
| 2862 | |
| 2863 | /* |
| 2864 | * Table 10.4.8a.3.1 of 44.060. |
| 2865 | * (MCS7, MCS9) to (MCS2, MCS3) is not handled since it is same as |
| 2866 | * (MCS5, MCS6) to (MCS2, MCS3) transition |
| 2867 | */ |
| 2868 | /* TODO: Need to support of MCS8 -> MCS6 ->MCS3 transistion |
| 2869 | * Refer commit be881c028fc4da00c4046ecd9296727975c206a3 |
| 2870 | * dated 2016-02-07 23:45:40 (UTC) |
| 2871 | */ |
| 2872 | if (!(((mcs == 5) && (demanded_mcs == 2)) || |
| 2873 | ((mcs == 6) && (demanded_mcs == 3)) || |
| 2874 | ((mcs == 4) && (demanded_mcs == 1)))) |
| 2875 | return; |
| 2876 | |
| 2877 | fn = fn_add_blocks(fn, 1); |
| 2878 | /* Send first RLC data block BSN 0 */ |
| 2879 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
| 2880 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(0)); |
| 2881 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->cs_current_trans.to_num() |
| 2882 | == mcs); |
| 2883 | |
| 2884 | dl_tbf->m_window.m_v_b.mark_nacked(0); |
| 2885 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_nacked(0)); |
| 2886 | |
| 2887 | dl_tbf->ms()->set_current_cs_dl |
| 2888 | (static_cast < GprsCodingScheme::Scheme > |
| 2889 | (GprsCodingScheme::CS4 + demanded_mcs)); |
| 2890 | |
| 2891 | fn = fn_add_blocks(fn, 1); |
| 2892 | |
| 2893 | /* Send first segment with demanded_mcs */ |
| 2894 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
| 2895 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_nacked(0)); |
| 2896 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->cs_current_trans.to_num() |
| 2897 | == demanded_mcs); |
| 2898 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| 2899 | == EGPRS_RESEG_FIRST_SEG_SENT); |
| 2900 | |
| 2901 | egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| 2902 | OSMO_ASSERT(egprs3->spb == 2); |
| 2903 | |
| 2904 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2905 | switch (demanded_mcs) { |
| 2906 | case 3: |
| 2907 | OSMO_ASSERT(egprs3->cps == 3); |
| 2908 | break; |
| 2909 | case 2: |
| 2910 | OSMO_ASSERT(egprs3->cps == 9); |
| 2911 | break; |
| 2912 | case 1: |
| 2913 | OSMO_ASSERT(egprs3->cps == 11); |
| 2914 | break; |
| 2915 | default: |
| 2916 | OSMO_ASSERT(false); |
| 2917 | break; |
| 2918 | } |
| 2919 | |
| 2920 | /* Send second segment with demanded_mcs */ |
| 2921 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
| 2922 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(0)); |
| 2923 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->cs_current_trans.to_num() |
| 2924 | == demanded_mcs); |
| 2925 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->spb_status.block_status_dl |
| 2926 | == EGPRS_RESEG_SECOND_SEG_SENT); |
| 2927 | |
| 2928 | egprs3 = (struct gprs_rlc_dl_header_egprs_3 *) msg->data; |
| 2929 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2930 | OSMO_ASSERT(egprs3->spb == 3); |
| 2931 | |
| 2932 | /* Table 10.4.8a.3.1 of 44.060 */ |
| 2933 | switch (demanded_mcs) { |
| 2934 | case 3: |
| 2935 | OSMO_ASSERT(egprs3->cps == 3); |
| 2936 | break; |
| 2937 | case 2: |
| 2938 | OSMO_ASSERT(egprs3->cps == 9); |
| 2939 | break; |
| 2940 | case 1: |
| 2941 | OSMO_ASSERT(egprs3->cps == 11); |
| 2942 | break; |
| 2943 | default: |
| 2944 | OSMO_ASSERT(false); |
| 2945 | break; |
| 2946 | } |
| 2947 | tbf_cleanup(dl_tbf); |
| 2948 | } |
| 2949 | |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2950 | 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] | 2951 | unsigned int mcs, unsigned int demanded_mcs) |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2952 | { |
| 2953 | uint32_t fn = 0; |
| 2954 | gprs_rlcmac_dl_tbf *dl_tbf; |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2955 | struct msgb *msg; |
| 2956 | |
Neels Hofmeyr | d34646a | 2017-02-08 17:07:40 +0100 | [diff] [blame] | 2957 | printf("Testing retx for MCS %u - %u\n", mcs, demanded_mcs); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2958 | |
| 2959 | dl_tbf = tbf_init(the_bts, mcs); |
| 2960 | |
| 2961 | /* For MCS reduction cases like MCS9->MCS6, MCS7->MCS5 |
| 2962 | * The MCS transition are referred from table Table 8.1.1.2 |
| 2963 | * of TS 44.060 |
| 2964 | */ |
| 2965 | /* TODO: Need to support of MCS8 -> MCS6 transistion |
| 2966 | * Refer commit be881c028fc4da00c4046ecd9296727975c206a3 |
| 2967 | * dated 2016-02-07 23:45:40 (UTC) |
| 2968 | */ |
| 2969 | if (((mcs == 9) && (demanded_mcs < 9)) || |
| 2970 | ((mcs == 7) && (demanded_mcs < 7))) { |
| 2971 | fn = fn_add_blocks(fn, 1); |
| 2972 | /* Send 2 RLC data block */ |
| 2973 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
Neels Hofmeyr | de9da39 | 2017-02-08 17:34:56 +0100 | [diff] [blame] | 2974 | OSMO_ASSERT(msg); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2975 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(0)); |
| 2976 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(1)); |
| 2977 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->cs_current_trans.to_num() |
| 2978 | == mcs); |
| 2979 | OSMO_ASSERT(dl_tbf->m_rlc.block(1)->cs_current_trans.to_num() |
| 2980 | == mcs); |
| 2981 | |
| 2982 | dl_tbf->m_window.m_v_b.mark_nacked(0); |
| 2983 | dl_tbf->m_window.m_v_b.mark_nacked(1); |
| 2984 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_nacked(0)); |
| 2985 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_nacked(1)); |
| 2986 | |
| 2987 | /* Set the demanded MCS to demanded_mcs */ |
| 2988 | dl_tbf->ms()->set_current_cs_dl |
| 2989 | (static_cast < GprsCodingScheme::Scheme > |
| 2990 | (GprsCodingScheme::CS4 + demanded_mcs)); |
| 2991 | |
| 2992 | fn = fn_add_blocks(fn, 1); |
| 2993 | /* Retransmit the first RLC data block with demanded_mcs */ |
| 2994 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
Neels Hofmeyr | de9da39 | 2017-02-08 17:34:56 +0100 | [diff] [blame] | 2995 | OSMO_ASSERT(msg); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 2996 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(0)); |
| 2997 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_nacked(1)); |
| 2998 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->cs_current_trans.to_num() |
| 2999 | == demanded_mcs); |
| 3000 | |
| 3001 | fn = fn_add_blocks(fn, 1); |
| 3002 | /* Retransmit the second RLC data block with demanded_mcs */ |
| 3003 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
Neels Hofmeyr | de9da39 | 2017-02-08 17:34:56 +0100 | [diff] [blame] | 3004 | OSMO_ASSERT(msg); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3005 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(0)); |
| 3006 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(1)); |
| 3007 | OSMO_ASSERT(dl_tbf->m_rlc.block(1)->cs_current_trans.to_num() |
| 3008 | == demanded_mcs); |
| 3009 | } else if (((mcs == 5) && (demanded_mcs > 6)) || |
| 3010 | ((mcs == 6) && (demanded_mcs > 8))) { |
| 3011 | fn = fn_add_blocks(fn, 1); |
| 3012 | /* Send first RLC data block BSN 0 */ |
| 3013 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
Neels Hofmeyr | de9da39 | 2017-02-08 17:34:56 +0100 | [diff] [blame] | 3014 | OSMO_ASSERT(msg); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3015 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(0)); |
| 3016 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->cs_current_trans.to_num() |
| 3017 | == mcs); |
| 3018 | |
| 3019 | fn = fn_add_blocks(fn, 1); |
| 3020 | /* Send second RLC data block BSN 1 */ |
| 3021 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
Neels Hofmeyr | de9da39 | 2017-02-08 17:34:56 +0100 | [diff] [blame] | 3022 | OSMO_ASSERT(msg); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3023 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(1)); |
| 3024 | OSMO_ASSERT(dl_tbf->m_rlc.block(1)->cs_current_trans.to_num() |
| 3025 | == mcs); |
| 3026 | |
| 3027 | dl_tbf->m_window.m_v_b.mark_nacked(0); |
| 3028 | dl_tbf->m_window.m_v_b.mark_nacked(1); |
| 3029 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_nacked(0)); |
| 3030 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_nacked(1)); |
| 3031 | |
| 3032 | dl_tbf->ms()->set_current_cs_dl |
| 3033 | (static_cast < GprsCodingScheme::Scheme > |
| 3034 | (GprsCodingScheme::CS4 + demanded_mcs)); |
| 3035 | |
| 3036 | fn = fn_add_blocks(fn, 1); |
| 3037 | /* Send first, second RLC data blocks with demanded_mcs */ |
| 3038 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
Neels Hofmeyr | de9da39 | 2017-02-08 17:34:56 +0100 | [diff] [blame] | 3039 | OSMO_ASSERT(msg); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3040 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(0)); |
| 3041 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(1)); |
| 3042 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->cs_current_trans.to_num() |
| 3043 | == demanded_mcs); |
| 3044 | OSMO_ASSERT(dl_tbf->m_rlc.block(1)->cs_current_trans.to_num() |
| 3045 | == demanded_mcs); |
| 3046 | } else if (mcs > 6) { |
| 3047 | /* No Mcs change cases are handled here for mcs > MCS6*/ |
| 3048 | fn = fn_add_blocks(fn, 1); |
| 3049 | /* Send first,second RLC data blocks */ |
| 3050 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
Neels Hofmeyr | de9da39 | 2017-02-08 17:34:56 +0100 | [diff] [blame] | 3051 | OSMO_ASSERT(msg); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3052 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(0)); |
| 3053 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(1)); |
| 3054 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->cs_current_trans.to_num() |
| 3055 | == mcs); |
| 3056 | OSMO_ASSERT(dl_tbf->m_rlc.block(1)->cs_current_trans.to_num() |
| 3057 | == mcs); |
| 3058 | |
| 3059 | dl_tbf->m_window.m_v_b.mark_nacked(0); |
| 3060 | dl_tbf->m_window.m_v_b.mark_nacked(1); |
| 3061 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_nacked(0)); |
| 3062 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_nacked(1)); |
| 3063 | |
| 3064 | fn = fn_add_blocks(fn, 1); |
| 3065 | /* Send first,second RLC data blocks with demanded_mcs*/ |
| 3066 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
Neels Hofmeyr | de9da39 | 2017-02-08 17:34:56 +0100 | [diff] [blame] | 3067 | OSMO_ASSERT(msg); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3068 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(0)); |
| 3069 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(1)); |
| 3070 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->cs_current_trans.to_num() |
| 3071 | == mcs); |
| 3072 | OSMO_ASSERT(dl_tbf->m_rlc.block(1)->cs_current_trans.to_num() |
| 3073 | == mcs); |
| 3074 | } else { |
| 3075 | |
| 3076 | /* No MCS change cases are handled here for mcs <= MCS6*/ |
| 3077 | fn = fn_add_blocks(fn, 1); |
| 3078 | /* Send first RLC data block */ |
| 3079 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
Neels Hofmeyr | de9da39 | 2017-02-08 17:34:56 +0100 | [diff] [blame] | 3080 | OSMO_ASSERT(msg); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3081 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(0)); |
| 3082 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->cs_current_trans.to_num() |
| 3083 | == mcs); |
| 3084 | |
| 3085 | dl_tbf->m_window.m_v_b.mark_nacked(0); |
| 3086 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_nacked(0)); |
| 3087 | |
| 3088 | fn = fn_add_blocks(fn, 1); |
| 3089 | /* Send first RLC data block with demanded_mcs */ |
| 3090 | msg = dl_tbf->create_dl_acked_block(fn, dl_tbf->control_ts); |
Neels Hofmeyr | de9da39 | 2017-02-08 17:34:56 +0100 | [diff] [blame] | 3091 | OSMO_ASSERT(msg); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3092 | OSMO_ASSERT(dl_tbf->m_window.m_v_b.is_unacked(0)); |
| 3093 | OSMO_ASSERT(dl_tbf->m_rlc.block(0)->cs_current_trans.to_num() |
| 3094 | == mcs); |
| 3095 | } |
| 3096 | |
| 3097 | tbf_cleanup(dl_tbf); |
| 3098 | } |
| 3099 | |
| 3100 | static void test_tbf_egprs_retx_dl(void) |
| 3101 | { |
| 3102 | BTS the_bts; |
| 3103 | gprs_rlcmac_bts *bts; |
| 3104 | uint8_t ts_no = 4; |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3105 | |
| 3106 | printf("=== start %s ===\n", __func__); |
| 3107 | |
| 3108 | bts = the_bts.bts_data(); |
| 3109 | bts->cs_downgrade_threshold = 0; |
| 3110 | setup_bts(&the_bts, ts_no); |
| 3111 | bts->dl_tbf_idle_msec = 200; |
| 3112 | bts->egprs_enabled = 1; |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 3113 | /* ARQ II */ |
| 3114 | bts->dl_arq_type = EGPRS_ARQ2; |
| 3115 | |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3116 | |
| 3117 | /* First parameter is current MCS, second one is demanded_mcs */ |
| 3118 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 6, 6); |
| 3119 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 1, 9); |
| 3120 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 2, 8); |
| 3121 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 5, 7); |
| 3122 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 6, 9); |
| 3123 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 7, 5); |
| 3124 | establish_and_use_egprs_dl_tbf_for_retx(&the_bts, 9, 6); |
| 3125 | |
| 3126 | printf("=== end %s ===\n", __func__); |
| 3127 | } |
| 3128 | |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 3129 | static void test_tbf_egprs_spb_dl(void) |
| 3130 | { |
| 3131 | BTS the_bts; |
| 3132 | gprs_rlcmac_bts *bts; |
| 3133 | uint8_t ts_no = 4; |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 3134 | |
| 3135 | printf("=== start %s ===\n", __func__); |
| 3136 | |
| 3137 | bts = the_bts.bts_data(); |
| 3138 | bts->cs_downgrade_threshold = 0; |
| 3139 | setup_bts(&the_bts, ts_no); |
| 3140 | bts->dl_tbf_idle_msec = 200; |
| 3141 | bts->egprs_enabled = 1; |
| 3142 | |
| 3143 | /* ARQ I resegmentation support */ |
| 3144 | bts->dl_arq_type = EGPRS_ARQ1; |
| 3145 | |
| 3146 | /* |
| 3147 | * First parameter is current MCS, second one is demanded_mcs |
| 3148 | * currently only MCS5->MCS2, MCS6->3, MCS4->MCS1 is tested in UT |
| 3149 | * rest scenarios has been integration tested |
| 3150 | */ |
| 3151 | establish_and_use_egprs_dl_tbf_for_spb(&the_bts, 6, 3); |
| 3152 | establish_and_use_egprs_dl_tbf_for_spb(&the_bts, 5, 2); |
| 3153 | establish_and_use_egprs_dl_tbf_for_spb(&the_bts, 4, 1); |
| 3154 | /* check MCS6->(MCS3+MCS3)->MCS6 case */ |
| 3155 | egprs_spb_to_normal_validation(&the_bts, 6, 3); |
| 3156 | |
| 3157 | printf("=== end %s ===\n", __func__); |
| 3158 | } |
| 3159 | |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 3160 | static void test_tbf_egprs_dl() |
| 3161 | { |
| 3162 | BTS the_bts; |
| 3163 | gprs_rlcmac_bts *bts; |
| 3164 | uint8_t ts_no = 4; |
| 3165 | int i; |
| 3166 | |
| 3167 | printf("=== start %s ===\n", __func__); |
| 3168 | |
| 3169 | bts = the_bts.bts_data(); |
| 3170 | |
| 3171 | setup_bts(&the_bts, ts_no); |
| 3172 | bts->dl_tbf_idle_msec = 200; |
| 3173 | bts->egprs_enabled = 1; |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 3174 | /* ARQ II */ |
| 3175 | bts->dl_arq_type = EGPRS_ARQ2; |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 3176 | |
| 3177 | for (i = 1; i <= 9; i++) |
| 3178 | establish_and_use_egprs_dl_tbf(&the_bts, i); |
| 3179 | |
| 3180 | printf("=== end %s ===\n", __func__); |
| 3181 | } |
| 3182 | |
| 3183 | |
| 3184 | |
Daniel Willmann | 341689d | 2014-06-11 18:33:14 +0200 | [diff] [blame] | 3185 | static const struct log_info_cat default_categories[] = { |
| 3186 | {"DCSN1", "\033[1;31m", "Concrete Syntax Notation One (CSN1)", LOGL_INFO, 0}, |
| 3187 | {"DL1IF", "\033[1;32m", "GPRS PCU L1 interface (L1IF)", LOGL_DEBUG, 1}, |
| 3188 | {"DRLCMAC", "\033[0;33m", "GPRS RLC/MAC layer (RLCMAC)", LOGL_DEBUG, 1}, |
| 3189 | {"DRLCMACDATA", "\033[0;33m", "GPRS RLC/MAC layer Data (RLCMAC)", LOGL_DEBUG, 1}, |
| 3190 | {"DRLCMACDL", "\033[1;33m", "GPRS RLC/MAC layer Downlink (RLCMAC)", LOGL_DEBUG, 1}, |
| 3191 | {"DRLCMACUL", "\033[1;36m", "GPRS RLC/MAC layer Uplink (RLCMAC)", LOGL_DEBUG, 1}, |
| 3192 | {"DRLCMACSCHED", "\033[0;36m", "GPRS RLC/MAC layer Scheduling (RLCMAC)", LOGL_DEBUG, 1}, |
| 3193 | {"DRLCMACMEAS", "\033[1;31m", "GPRS RLC/MAC layer Measurements (RLCMAC)", LOGL_INFO, 1}, |
Jacob Erlbeck | 56af6d5 | 2015-08-17 14:06:21 +0200 | [diff] [blame] | 3194 | {"DNS","\033[1;34m", "GPRS Network Service Protocol (NS)", LOGL_INFO , 1}, |
Daniel Willmann | 341689d | 2014-06-11 18:33:14 +0200 | [diff] [blame] | 3195 | {"DBSSGP","\033[1;34m", "GPRS BSS Gateway Protocol (BSSGP)", LOGL_INFO , 1}, |
| 3196 | {"DPCU", "\033[1;35m", "GPRS Packet Control Unit (PCU)", LOGL_NOTICE, 1}, |
| 3197 | }; |
| 3198 | |
| 3199 | static int filter_fn(const struct log_context *ctx, |
| 3200 | struct log_target *tar) |
| 3201 | { |
| 3202 | return 1; |
| 3203 | } |
| 3204 | |
| 3205 | const struct log_info debug_log_info = { |
| 3206 | filter_fn, |
| 3207 | (struct log_info_cat*)default_categories, |
| 3208 | ARRAY_SIZE(default_categories), |
| 3209 | }; |
| 3210 | |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 3211 | static void test_packet_access_rej_prr_no_other_tbfs() |
| 3212 | { |
| 3213 | BTS the_bts; |
| 3214 | uint32_t fn = 2654218; |
| 3215 | int ts_no = 7; |
| 3216 | uint8_t trx_no = 0; |
| 3217 | uint32_t tlli = 0xffeeddcc; |
| 3218 | struct gprs_rlcmac_ul_tbf *ul_tbf = NULL; |
| 3219 | |
| 3220 | printf("=== start %s ===\n", __func__); |
| 3221 | |
| 3222 | setup_bts(&the_bts, ts_no, 4); |
| 3223 | |
| 3224 | int rc = 0; |
| 3225 | |
| 3226 | ul_tbf = handle_tbf_reject(the_bts.bts_data(), NULL, tlli, |
| 3227 | trx_no, ts_no); |
| 3228 | |
| 3229 | OSMO_ASSERT(ul_tbf != 0); |
| 3230 | |
| 3231 | /* trigger packet access reject */ |
| 3232 | uint8_t bn = fn2bn(fn); |
| 3233 | |
| 3234 | rc = gprs_rlcmac_rcv_rts_block(the_bts.bts_data(), |
| 3235 | trx_no, ts_no, fn, bn); |
| 3236 | |
| 3237 | OSMO_ASSERT(rc == 0); |
| 3238 | |
| 3239 | ul_tbf->handle_timeout(); |
| 3240 | |
| 3241 | printf("=== end %s ===\n", __func__); |
| 3242 | } |
| 3243 | |
| 3244 | static void test_packet_access_rej_prr() |
| 3245 | { |
| 3246 | BTS the_bts; |
| 3247 | uint32_t fn = 2654218; |
| 3248 | uint16_t qta = 31; |
| 3249 | int ts_no = 7; |
| 3250 | uint8_t trx_no = 0; |
| 3251 | RlcMacUplink_t ulreq = {0}; |
| 3252 | Packet_Resource_Request_t *presreq = NULL; |
| 3253 | uint8_t ms_class = 11; |
| 3254 | uint8_t egprs_ms_class = 11; |
| 3255 | uint32_t rach_fn = fn - 51; |
| 3256 | uint32_t sba_fn = fn + 52; |
| 3257 | uint32_t tlli = 0xffeeddcc; |
| 3258 | MS_Radio_Access_capability_t *pmsradiocap = NULL; |
| 3259 | Multislot_capability_t *pmultislotcap = NULL; |
| 3260 | |
| 3261 | printf("=== start %s ===\n", __func__); |
| 3262 | |
| 3263 | setup_bts(&the_bts, ts_no, 4); |
| 3264 | |
| 3265 | int rc = 0; |
| 3266 | |
| 3267 | /* |
| 3268 | * Trigger rach till resources(USF) exhaust |
| 3269 | */ |
| 3270 | rc = the_bts.rcv_rach(0x78, rach_fn, qta, 0, |
| 3271 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3272 | rc = the_bts.rcv_rach(0x79, rach_fn, qta, 0, |
| 3273 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3274 | rc = the_bts.rcv_rach(0x7a, rach_fn, qta, 0, |
| 3275 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3276 | rc = the_bts.rcv_rach(0x7b, rach_fn, qta, 0, |
| 3277 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3278 | rc = the_bts.rcv_rach(0x7c, rach_fn, qta, 0, |
| 3279 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3280 | rc = the_bts.rcv_rach(0x7d, rach_fn, qta, 0, |
| 3281 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3282 | rc = the_bts.rcv_rach(0x7e, rach_fn, qta, 0, |
| 3283 | GSM_L1_BURST_TYPE_ACCESS_0); |
| 3284 | |
| 3285 | /* fake a resource request */ |
| 3286 | ulreq.u.MESSAGE_TYPE = MT_PACKET_RESOURCE_REQUEST; |
| 3287 | presreq = &ulreq.u.Packet_Resource_Request; |
| 3288 | presreq->PayloadType = GPRS_RLCMAC_CONTROL_BLOCK; |
| 3289 | presreq->ID.UnionType = 1; /* != 0 */ |
| 3290 | presreq->ID.u.TLLI = tlli; |
| 3291 | presreq->Exist_MS_Radio_Access_capability = 1; |
| 3292 | pmsradiocap = &presreq->MS_Radio_Access_capability; |
| 3293 | pmsradiocap->Count_MS_RA_capability_value = 1; |
| 3294 | pmsradiocap->MS_RA_capability_value[0].u.Content. |
| 3295 | Exist_Multislot_capability = 1; |
| 3296 | pmultislotcap = &pmsradiocap->MS_RA_capability_value[0]. |
| 3297 | u.Content.Multislot_capability; |
| 3298 | |
| 3299 | pmultislotcap->Exist_GPRS_multislot_class = 1; |
| 3300 | pmultislotcap->GPRS_multislot_class = ms_class; |
| 3301 | if (egprs_ms_class) { |
| 3302 | pmultislotcap->Exist_EGPRS_multislot_class = 1; |
| 3303 | pmultislotcap->EGPRS_multislot_class = egprs_ms_class; |
| 3304 | } |
| 3305 | |
| 3306 | send_ul_mac_block(&the_bts, trx_no, ts_no, &ulreq, sba_fn); |
| 3307 | |
| 3308 | /* trigger packet access reject */ |
| 3309 | uint8_t bn = fn2bn(fn); |
| 3310 | |
| 3311 | rc = gprs_rlcmac_rcv_rts_block(the_bts.bts_data(), |
| 3312 | trx_no, ts_no, fn, bn); |
| 3313 | |
| 3314 | OSMO_ASSERT(rc == 0); |
| 3315 | |
| 3316 | printf("=== end %s ===\n", __func__); |
| 3317 | } |
| 3318 | |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 3319 | void test_packet_access_rej_epdan() |
| 3320 | { |
| 3321 | BTS the_bts; |
| 3322 | uint32_t tlli = 0xffeeddcc; |
| 3323 | |
| 3324 | printf("=== start %s ===\n", __func__); |
| 3325 | setup_bts(&the_bts, 4); |
| 3326 | static gprs_rlcmac_dl_tbf *dl_tbf = tbf_init(&the_bts, 1); |
| 3327 | |
| 3328 | dl_tbf->update_ms(tlli, GPRS_RLCMAC_DL_TBF); |
| 3329 | |
| 3330 | struct msgb *msg = dl_tbf->create_packet_access_reject(); |
| 3331 | |
| 3332 | printf("packet reject: %s\n", |
| 3333 | osmo_hexdump(msg->data, 23)); |
| 3334 | |
| 3335 | OSMO_ASSERT(!strcmp(osmo_hexdump(msg->data, 23), |
| 3336 | "40 84 7f f7 6e e6 41 4b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b ")); |
| 3337 | printf("=== end %s ===\n", __func__); |
| 3338 | |
| 3339 | } |
| 3340 | |
| 3341 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3342 | int main(int argc, char **argv) |
| 3343 | { |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 3344 | struct vty_app_info pcu_vty_info = {0}; |
| 3345 | |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3346 | tall_pcu_ctx = talloc_named_const(NULL, 1, "moiji-mobile TbfTest context"); |
| 3347 | if (!tall_pcu_ctx) |
| 3348 | abort(); |
| 3349 | |
Neels Hofmeyr | 78ce591 | 2017-02-08 17:07:31 +0100 | [diff] [blame] | 3350 | msgb_talloc_ctx_init(tall_pcu_ctx, 0); |
Daniel Willmann | 341689d | 2014-06-11 18:33:14 +0200 | [diff] [blame] | 3351 | osmo_init_logging(&debug_log_info); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3352 | log_set_use_color(osmo_stderr_target, 0); |
| 3353 | log_set_print_filename(osmo_stderr_target, 0); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 3354 | bssgp_set_log_ss(DBSSGP); |
| 3355 | |
| 3356 | vty_init(&pcu_vty_info); |
| 3357 | pcu_vty_init(&debug_log_info); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3358 | |
Jacob Erlbeck | ac89a55 | 2015-06-29 14:18:46 +0200 | [diff] [blame] | 3359 | test_tbf_base(); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3360 | test_tbf_tlli_update(); |
Jacob Erlbeck | 5e9f40d | 2015-02-23 14:26:59 +0100 | [diff] [blame] | 3361 | test_tbf_final_ack(TEST_MODE_STANDARD); |
| 3362 | test_tbf_final_ack(TEST_MODE_REVERSE_FREE); |
Jacob Erlbeck | 2cbe80b | 2015-03-25 10:48:52 +0100 | [diff] [blame] | 3363 | test_tbf_delayed_release(); |
Jacob Erlbeck | b0e5eaf | 2015-05-21 11:07:16 +0200 | [diff] [blame] | 3364 | test_tbf_imsi(); |
Jacob Erlbeck | d58b711 | 2015-04-09 19:17:21 +0200 | [diff] [blame] | 3365 | test_tbf_exhaustion(); |
Jacob Erlbeck | 4116864 | 2015-06-12 13:41:00 +0200 | [diff] [blame] | 3366 | test_tbf_dl_llc_loss(); |
Jacob Erlbeck | ddfc0d5 | 2015-05-27 13:03:15 +0200 | [diff] [blame] | 3367 | test_tbf_single_phase(); |
| 3368 | test_tbf_two_phase(); |
Jacob Erlbeck | b139598 | 2015-08-21 18:15:38 +0200 | [diff] [blame] | 3369 | test_tbf_ra_update_rach(); |
| 3370 | test_tbf_dl_flow_and_rach_two_phase(); |
| 3371 | test_tbf_dl_flow_and_rach_single_phase(); |
Jacob Erlbeck | 23c4b3f | 2015-08-21 15:04:39 +0200 | [diff] [blame] | 3372 | test_tbf_dl_reuse(); |
Jacob Erlbeck | 9b3d7e0 | 2016-01-19 10:44:42 +0100 | [diff] [blame] | 3373 | test_tbf_gprs_egprs(); |
Jacob Erlbeck | 36df774 | 2016-01-19 15:53:30 +0100 | [diff] [blame] | 3374 | test_tbf_ws(); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 3375 | test_tbf_egprs_two_phase(); |
Aravind Sirsikar | 505a86d | 2016-07-26 18:26:21 +0530 | [diff] [blame] | 3376 | test_tbf_egprs_two_phase_spb(); |
Jacob Erlbeck | 2d2efb1 | 2016-02-04 11:09:19 +0100 | [diff] [blame] | 3377 | test_tbf_egprs_dl(); |
Aravind Sirsikar | 1a67912 | 2016-07-12 15:50:29 +0530 | [diff] [blame] | 3378 | test_tbf_egprs_retx_dl(); |
Aravind Sirsikar | 50b0970 | 2016-08-22 17:21:10 +0530 | [diff] [blame] | 3379 | test_tbf_egprs_spb_dl(); |
Aravind Sirsikar | 02352b4 | 2016-08-25 16:37:30 +0530 | [diff] [blame] | 3380 | test_tbf_puan_urbb_len(); |
Aravind Sirsikar | 3c2eaeb | 2016-08-30 15:39:04 +0530 | [diff] [blame] | 3381 | test_tbf_update_ws(); |
Aravind Sirsikar | 3463bd4 | 2016-09-15 17:19:54 +0530 | [diff] [blame] | 3382 | test_tbf_li_decoding(); |
aravind sirsikar | f276138 | 2016-10-25 12:45:24 +0530 | [diff] [blame] | 3383 | test_tbf_epdan_out_of_rx_window(); |
aravind sirsikar | c0c3afd | 2016-11-09 16:27:00 +0530 | [diff] [blame] | 3384 | test_immediate_assign_rej(); |
sivasankari | 1d8744c | 2017-01-24 15:53:35 +0530 | [diff] [blame] | 3385 | test_tbf_egprs_two_phase_puan(); |
aravind sirsikar | ed3413e | 2016-11-11 17:15:10 +0530 | [diff] [blame] | 3386 | test_packet_access_rej_epdan(); |
aravind sirsikar | e9a138e | 2017-01-24 12:36:08 +0530 | [diff] [blame] | 3387 | test_packet_access_rej_prr(); |
| 3388 | test_packet_access_rej_prr_no_other_tbfs(); |
Jacob Erlbeck | 67c3850 | 2015-05-11 10:32:40 +0200 | [diff] [blame] | 3389 | |
| 3390 | if (getenv("TALLOC_REPORT_FULL")) |
| 3391 | talloc_report_full(tall_pcu_ctx, stderr); |
Holger Hans Peter Freyther | b809866 | 2013-10-30 14:50:17 +0100 | [diff] [blame] | 3392 | return EXIT_SUCCESS; |
| 3393 | } |
| 3394 | |
| 3395 | /* |
| 3396 | * stubs that should not be reached |
| 3397 | */ |
| 3398 | extern "C" { |
| 3399 | void l1if_pdch_req() { abort(); } |
| 3400 | void l1if_connect_pdch() { abort(); } |
| 3401 | void l1if_close_pdch() { abort(); } |
| 3402 | void l1if_open_pdch() { abort(); } |
| 3403 | } |