Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * TypesTest.cpp Test the primitive data types |
| 3 | * |
| 4 | * Copyright (C) 2013 by Holger Hans Peter Freyther |
Alexander Couzens | 2585451 | 2019-06-17 01:50:33 +0200 | [diff] [blame] | 5 | * Copyright (C) 2019 by Sysmocom s.f.m.c. GmbH |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 6 | * |
| 7 | * All Rights Reserved |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU Affero General Public License as published by |
| 11 | * the Free Software Foundation; either version 3 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU Affero General Public License |
| 20 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 21 | * |
| 22 | */ |
| 23 | #include "bts.h" |
| 24 | #include "tbf.h" |
Pau Espin Pedrol | 9d1cdb1 | 2019-09-25 17:47:02 +0200 | [diff] [blame] | 25 | #include "tbf_ul.h" |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 26 | #include "tbf_dl.h" |
Max | 20c7c46 | 2017-12-22 14:20:05 +0100 | [diff] [blame] | 27 | #include "pcu_utils.h" |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 28 | #include "gprs_debug.h" |
Daniel Willmann | 0f2b5fc | 2013-12-11 16:49:43 +0100 | [diff] [blame] | 29 | #include "encoding.h" |
Daniel Willmann | f1786a3 | 2013-12-11 18:44:49 +0100 | [diff] [blame] | 30 | #include "decoding.h" |
Max | 7426c5f | 2019-02-18 20:42:42 +0100 | [diff] [blame] | 31 | #include "gprs_rlcmac.h" |
Alexander Couzens | 2585451 | 2019-06-17 01:50:33 +0200 | [diff] [blame] | 32 | #include "egprs_rlc_compression.h" |
Pau Espin Pedrol | ff7c581 | 2022-12-14 18:49:06 +0100 | [diff] [blame] | 33 | #include "alloc_algo.h" |
Pau Espin Pedrol | bfc9756 | 2023-04-17 14:49:29 +0200 | [diff] [blame] | 34 | #include "gprs_ms.h" |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 35 | |
| 36 | extern "C" { |
| 37 | #include <osmocom/core/application.h> |
| 38 | #include <osmocom/core/msgb.h> |
| 39 | #include <osmocom/core/talloc.h> |
| 40 | #include <osmocom/core/utils.h> |
Max | 20c7c46 | 2017-12-22 14:20:05 +0100 | [diff] [blame] | 41 | #include <osmocom/core/bits.h> |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 42 | #include <osmocom/core/fsm.h> |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 43 | } |
| 44 | |
Daniel Willmann | c3f4330 | 2013-12-11 16:47:19 +0100 | [diff] [blame] | 45 | #define OSMO_ASSERT_STR_EQ(a, b) \ |
| 46 | do { \ |
| 47 | if (strcmp(a, b)) { \ |
| 48 | printf("String mismatch:\nGot:\t%s\nWant:\t%s\n", a, b); \ |
| 49 | OSMO_ASSERT(false); \ |
| 50 | } \ |
| 51 | } while (0) |
| 52 | |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 53 | void *tall_pcu_ctx; |
| 54 | int16_t spoof_mnc = 0, spoof_mcc = 0; |
Neels Hofmeyr | bdc55fa | 2018-02-21 00:39:07 +0100 | [diff] [blame] | 55 | bool spoof_mnc_3_digits = false; |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 56 | |
| 57 | static void test_llc(void) |
| 58 | { |
| 59 | { |
| 60 | uint8_t data[LLC_MAX_LEN] = {1, 2, 3, 4, }; |
| 61 | uint8_t out; |
| 62 | gprs_llc llc; |
Pau Espin Pedrol | 4f8384b | 2022-03-31 19:36:12 +0200 | [diff] [blame] | 63 | llc_init(&llc); |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 64 | |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 65 | OSMO_ASSERT(llc_chunk_size(&llc) == 0); |
| 66 | OSMO_ASSERT(llc_remaining_space(&llc) == LLC_MAX_LEN); |
| 67 | OSMO_ASSERT(llc_frame_length(&llc) == 0); |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 68 | |
Pau Espin Pedrol | 4f8384b | 2022-03-31 19:36:12 +0200 | [diff] [blame] | 69 | llc_put_frame(&llc, data, 2); |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 70 | OSMO_ASSERT(llc_remaining_space(&llc) == LLC_MAX_LEN - 2); |
| 71 | OSMO_ASSERT(llc_frame_length(&llc) == 2); |
| 72 | OSMO_ASSERT(llc_chunk_size(&llc) == 2); |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 73 | OSMO_ASSERT(llc.frame[0] == 1); |
| 74 | OSMO_ASSERT(llc.frame[1] == 2); |
| 75 | |
Pau Espin Pedrol | 4f8384b | 2022-03-31 19:36:12 +0200 | [diff] [blame] | 76 | llc_append_frame(&llc, &data[3], 1); |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 77 | OSMO_ASSERT(llc_remaining_space(&llc) == LLC_MAX_LEN - 3); |
| 78 | OSMO_ASSERT(llc_frame_length(&llc) == 3); |
| 79 | OSMO_ASSERT(llc_chunk_size(&llc) == 3); |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 80 | |
| 81 | /* consume two bytes */ |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 82 | llc_consume_data(&llc, &out, 1); |
| 83 | OSMO_ASSERT(llc_remaining_space(&llc) == LLC_MAX_LEN - 3); |
| 84 | OSMO_ASSERT(llc_frame_length(&llc) == 3); |
| 85 | OSMO_ASSERT(llc_chunk_size(&llc) == 2); |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 86 | |
| 87 | /* check that the bytes are as we expected */ |
| 88 | OSMO_ASSERT(llc.frame[0] == 1); |
| 89 | OSMO_ASSERT(llc.frame[1] == 2); |
| 90 | OSMO_ASSERT(llc.frame[2] == 4); |
| 91 | |
| 92 | /* now fill the frame */ |
Pau Espin Pedrol | 4f8384b | 2022-03-31 19:36:12 +0200 | [diff] [blame] | 93 | llc_append_frame(&llc, data, llc_remaining_space(&llc) - 1); |
Pau Espin Pedrol | da971ee | 2020-12-16 15:59:45 +0100 | [diff] [blame] | 94 | OSMO_ASSERT(llc_fits_in_current_frame(&llc, 1)); |
| 95 | OSMO_ASSERT(!llc_fits_in_current_frame(&llc, 2)); |
Pau Espin Pedrol | 488aa29 | 2019-09-25 17:48:35 +0200 | [diff] [blame] | 96 | } |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 97 | } |
| 98 | |
Holger Hans Peter Freyther | c6382dd | 2013-11-21 21:42:20 +0100 | [diff] [blame] | 99 | static void test_rlc() |
| 100 | { |
| 101 | { |
| 102 | struct gprs_rlc_data rlc = { 0, }; |
| 103 | memset(rlc.block, 0x23, RLC_MAX_LEN); |
Pau Espin Pedrol | 5bb87b8 | 2020-05-18 11:02:39 +0200 | [diff] [blame] | 104 | uint8_t *p = prepare(&rlc, 20); |
Holger Hans Peter Freyther | c6382dd | 2013-11-21 21:42:20 +0100 | [diff] [blame] | 105 | OSMO_ASSERT(p == rlc.block); |
| 106 | for (int i = 0; i < 20; ++i) |
| 107 | OSMO_ASSERT(p[i] == 0x2B); |
| 108 | for (int i = 20; i < RLC_MAX_LEN; ++i) |
| 109 | OSMO_ASSERT(p[i] == 0x0); |
| 110 | } |
| 111 | } |
| 112 | |
Holger Hans Peter Freyther | 9525567 | 2013-11-23 16:18:18 +0100 | [diff] [blame] | 113 | static void test_rlc_v_b() |
| 114 | { |
| 115 | { |
| 116 | gprs_rlc_v_b vb; |
| 117 | vb.reset(); |
| 118 | |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 119 | for (size_t i = 0; i < RLC_MAX_SNS; ++i) |
Holger Hans Peter Freyther | 9525567 | 2013-11-23 16:18:18 +0100 | [diff] [blame] | 120 | OSMO_ASSERT(vb.is_invalid(i)); |
| 121 | |
| 122 | vb.mark_unacked(23); |
| 123 | OSMO_ASSERT(vb.is_unacked(23)); |
| 124 | |
| 125 | vb.mark_nacked(23); |
| 126 | OSMO_ASSERT(vb.is_nacked(23)); |
| 127 | |
| 128 | vb.mark_acked(23); |
| 129 | OSMO_ASSERT(vb.is_acked(23)); |
| 130 | |
| 131 | vb.mark_resend(23); |
| 132 | OSMO_ASSERT(vb.is_resend(23)); |
| 133 | |
| 134 | vb.mark_invalid(23); |
| 135 | OSMO_ASSERT(vb.is_invalid(23)); |
| 136 | } |
| 137 | } |
| 138 | |
Holger Hans Peter Freyther | e9b1ebb | 2013-11-24 22:00:43 +0100 | [diff] [blame] | 139 | static void test_rlc_v_n() |
| 140 | { |
| 141 | { |
| 142 | gprs_rlc_v_n vn; |
| 143 | vn.reset(); |
| 144 | |
| 145 | OSMO_ASSERT(!vn.is_received(0x23)); |
Daniel Willmann | d54d9f5 | 2013-12-28 21:16:13 +0100 | [diff] [blame] | 146 | OSMO_ASSERT(vn.state(0x23) == GPRS_RLC_UL_BSN_INVALID); |
Holger Hans Peter Freyther | e9b1ebb | 2013-11-24 22:00:43 +0100 | [diff] [blame] | 147 | |
| 148 | vn.mark_received(0x23); |
| 149 | OSMO_ASSERT(vn.is_received(0x23)); |
Daniel Willmann | d54d9f5 | 2013-12-28 21:16:13 +0100 | [diff] [blame] | 150 | OSMO_ASSERT(vn.state(0x23) == GPRS_RLC_UL_BSN_RECEIVED); |
Holger Hans Peter Freyther | e9b1ebb | 2013-11-24 22:00:43 +0100 | [diff] [blame] | 151 | |
| 152 | vn.mark_missing(0x23); |
| 153 | OSMO_ASSERT(!vn.is_received(0x23)); |
Daniel Willmann | d54d9f5 | 2013-12-28 21:16:13 +0100 | [diff] [blame] | 154 | OSMO_ASSERT(vn.state(0x23) == GPRS_RLC_UL_BSN_MISSING); |
Holger Hans Peter Freyther | e9b1ebb | 2013-11-24 22:00:43 +0100 | [diff] [blame] | 155 | } |
| 156 | } |
| 157 | |
Holger Hans Peter Freyther | faf3ef4 | 2013-11-24 22:17:40 +0100 | [diff] [blame] | 158 | static void test_rlc_dl_ul_basic() |
| 159 | { |
| 160 | { |
Jacob Erlbeck | a3a567e | 2015-12-28 13:46:32 +0100 | [diff] [blame] | 161 | gprs_rlc_dl_window dl_win; |
Holger Hans Peter Freyther | faf3ef4 | 2013-11-24 22:17:40 +0100 | [diff] [blame] | 162 | OSMO_ASSERT(dl_win.window_empty()); |
| 163 | OSMO_ASSERT(!dl_win.window_stalled()); |
| 164 | OSMO_ASSERT(dl_win.distance() == 0); |
| 165 | |
| 166 | dl_win.increment_send(); |
| 167 | OSMO_ASSERT(!dl_win.window_empty()); |
| 168 | OSMO_ASSERT(!dl_win.window_stalled()); |
| 169 | OSMO_ASSERT(dl_win.distance() == 1); |
| 170 | |
| 171 | for (int i = 1; i < 64; ++i) { |
| 172 | dl_win.increment_send(); |
| 173 | OSMO_ASSERT(!dl_win.window_empty()); |
| 174 | OSMO_ASSERT(dl_win.distance() == i + 1); |
| 175 | } |
| 176 | |
| 177 | OSMO_ASSERT(dl_win.distance() == 64); |
| 178 | OSMO_ASSERT(dl_win.window_stalled()); |
| 179 | |
| 180 | dl_win.raise(1); |
| 181 | OSMO_ASSERT(dl_win.distance() == 63); |
| 182 | OSMO_ASSERT(!dl_win.window_stalled()); |
| 183 | for (int i = 62; i >= 0; --i) { |
| 184 | dl_win.raise(1); |
| 185 | OSMO_ASSERT(dl_win.distance() == i); |
| 186 | } |
| 187 | |
| 188 | OSMO_ASSERT(dl_win.distance() == 0); |
| 189 | OSMO_ASSERT(dl_win.window_empty()); |
| 190 | |
| 191 | dl_win.increment_send(); |
| 192 | dl_win.increment_send(); |
| 193 | dl_win.increment_send(); |
| 194 | dl_win.increment_send(); |
| 195 | OSMO_ASSERT(dl_win.distance() == 4); |
| 196 | |
| 197 | for (int i = 0; i < 128; ++i) { |
| 198 | dl_win.increment_send(); |
| 199 | dl_win.increment_send(); |
| 200 | dl_win.raise(2); |
| 201 | OSMO_ASSERT(dl_win.distance() == 4); |
| 202 | } |
| 203 | } |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 204 | |
| 205 | { |
Jacob Erlbeck | a3a567e | 2015-12-28 13:46:32 +0100 | [diff] [blame] | 206 | gprs_rlc_ul_window ul_win; |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 207 | int count; |
Daniel Willmann | f86fb7a | 2013-11-27 17:56:02 +0100 | [diff] [blame] | 208 | const char *rbb; |
Daniel Willmann | c3f4330 | 2013-12-11 16:47:19 +0100 | [diff] [blame] | 209 | char win_rbb[65]; |
Pau Espin Pedrol | afe189e | 2021-07-28 21:48:26 +0200 | [diff] [blame] | 210 | uint8_t bin_rbb[RLC_GPRS_WS/8]; |
| 211 | bitvec bits; |
Daniel Willmann | c3f4330 | 2013-12-11 16:47:19 +0100 | [diff] [blame] | 212 | win_rbb[64] = '\0'; |
Pau Espin Pedrol | afe189e | 2021-07-28 21:48:26 +0200 | [diff] [blame] | 213 | bits.data = bin_rbb; |
| 214 | bits.data_len = sizeof(bin_rbb); |
| 215 | bits.cur_bit = 0; |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 216 | |
Daniel Willmann | 7c3751b | 2013-12-28 13:59:24 +0100 | [diff] [blame] | 217 | ul_win.m_v_n.reset(); |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 218 | |
| 219 | OSMO_ASSERT(ul_win.is_in_window(0)); |
| 220 | OSMO_ASSERT(ul_win.is_in_window(63)); |
| 221 | OSMO_ASSERT(!ul_win.is_in_window(64)); |
| 222 | |
Daniel Willmann | 7c3751b | 2013-12-28 13:59:24 +0100 | [diff] [blame] | 223 | OSMO_ASSERT(!ul_win.m_v_n.is_received(0)); |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 224 | |
Daniel Willmann | f86fb7a | 2013-11-27 17:56:02 +0100 | [diff] [blame] | 225 | rbb = "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII"; |
| 226 | OSMO_ASSERT(ul_win.ssn() == 0); |
Daniel Willmann | 7c3751b | 2013-12-28 13:59:24 +0100 | [diff] [blame] | 227 | ul_win.update_rbb(win_rbb); |
Daniel Willmann | c3f4330 | 2013-12-11 16:47:19 +0100 | [diff] [blame] | 228 | OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
Pau Espin Pedrol | afe189e | 2021-07-28 21:48:26 +0200 | [diff] [blame] | 229 | bits.cur_bit = 0; |
| 230 | Encoding::encode_rbb(win_rbb, &bits); |
Daniel Willmann | 0f2b5fc | 2013-12-11 16:49:43 +0100 | [diff] [blame] | 231 | printf("rbb: %s\n", osmo_hexdump(bin_rbb, sizeof(bin_rbb))); |
Pau Espin Pedrol | afe189e | 2021-07-28 21:48:26 +0200 | [diff] [blame] | 232 | Decoding::extract_rbb(&bits, win_rbb); |
| 233 | //printf("win_rbb: %s\n", win_rbb); |
Daniel Willmann | f1786a3 | 2013-12-11 18:44:49 +0100 | [diff] [blame] | 234 | OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
Daniel Willmann | f86fb7a | 2013-11-27 17:56:02 +0100 | [diff] [blame] | 235 | |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 236 | /* simulate to have received 0, 1 and 5 */ |
| 237 | OSMO_ASSERT(ul_win.is_in_window(0)); |
Jacob Erlbeck | d87e1d6 | 2015-12-14 11:43:04 +0100 | [diff] [blame] | 238 | ul_win.receive_bsn(0); |
| 239 | count = ul_win.raise_v_q(); |
Daniel Willmann | 7c3751b | 2013-12-28 13:59:24 +0100 | [diff] [blame] | 240 | OSMO_ASSERT(ul_win.m_v_n.is_received(0)); |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 241 | OSMO_ASSERT(ul_win.v_q() == 1); |
| 242 | OSMO_ASSERT(ul_win.v_r() == 1); |
| 243 | OSMO_ASSERT(count == 1); |
| 244 | |
Daniel Willmann | f86fb7a | 2013-11-27 17:56:02 +0100 | [diff] [blame] | 245 | rbb = "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIR"; |
| 246 | OSMO_ASSERT(ul_win.ssn() == 1); |
Daniel Willmann | 7c3751b | 2013-12-28 13:59:24 +0100 | [diff] [blame] | 247 | ul_win.update_rbb(win_rbb); |
Daniel Willmann | c3f4330 | 2013-12-11 16:47:19 +0100 | [diff] [blame] | 248 | OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
Pau Espin Pedrol | afe189e | 2021-07-28 21:48:26 +0200 | [diff] [blame] | 249 | bits.cur_bit = 0; |
| 250 | Encoding::encode_rbb(win_rbb, &bits); |
Daniel Willmann | 0f2b5fc | 2013-12-11 16:49:43 +0100 | [diff] [blame] | 251 | printf("rbb: %s\n", osmo_hexdump(bin_rbb, sizeof(bin_rbb))); |
Pau Espin Pedrol | afe189e | 2021-07-28 21:48:26 +0200 | [diff] [blame] | 252 | Decoding::extract_rbb(&bits, win_rbb); |
Daniel Willmann | f1786a3 | 2013-12-11 18:44:49 +0100 | [diff] [blame] | 253 | OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
Daniel Willmann | f86fb7a | 2013-11-27 17:56:02 +0100 | [diff] [blame] | 254 | |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 255 | OSMO_ASSERT(ul_win.is_in_window(1)); |
Jacob Erlbeck | d87e1d6 | 2015-12-14 11:43:04 +0100 | [diff] [blame] | 256 | ul_win.receive_bsn(1); |
| 257 | count = ul_win.raise_v_q(); |
Daniel Willmann | 7c3751b | 2013-12-28 13:59:24 +0100 | [diff] [blame] | 258 | OSMO_ASSERT(ul_win.m_v_n.is_received(0)); |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 259 | OSMO_ASSERT(ul_win.v_q() == 2); |
| 260 | OSMO_ASSERT(ul_win.v_r() == 2); |
| 261 | OSMO_ASSERT(count == 1); |
| 262 | |
Daniel Willmann | f86fb7a | 2013-11-27 17:56:02 +0100 | [diff] [blame] | 263 | rbb = "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIRR"; |
| 264 | OSMO_ASSERT(ul_win.ssn() == 2); |
Daniel Willmann | 7c3751b | 2013-12-28 13:59:24 +0100 | [diff] [blame] | 265 | ul_win.update_rbb(win_rbb); |
Daniel Willmann | c3f4330 | 2013-12-11 16:47:19 +0100 | [diff] [blame] | 266 | OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
Pau Espin Pedrol | afe189e | 2021-07-28 21:48:26 +0200 | [diff] [blame] | 267 | bits.cur_bit = 0; |
| 268 | Encoding::encode_rbb(win_rbb, &bits); |
Daniel Willmann | 0f2b5fc | 2013-12-11 16:49:43 +0100 | [diff] [blame] | 269 | printf("rbb: %s\n", osmo_hexdump(bin_rbb, sizeof(bin_rbb))); |
Pau Espin Pedrol | afe189e | 2021-07-28 21:48:26 +0200 | [diff] [blame] | 270 | Decoding::extract_rbb(&bits, win_rbb); |
Daniel Willmann | f1786a3 | 2013-12-11 18:44:49 +0100 | [diff] [blame] | 271 | OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
Daniel Willmann | f86fb7a | 2013-11-27 17:56:02 +0100 | [diff] [blame] | 272 | |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 273 | OSMO_ASSERT(ul_win.is_in_window(5)); |
Jacob Erlbeck | d87e1d6 | 2015-12-14 11:43:04 +0100 | [diff] [blame] | 274 | ul_win.receive_bsn(5); |
| 275 | count = ul_win.raise_v_q(); |
Daniel Willmann | 7c3751b | 2013-12-28 13:59:24 +0100 | [diff] [blame] | 276 | OSMO_ASSERT(ul_win.m_v_n.is_received(0)); |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 277 | OSMO_ASSERT(ul_win.v_q() == 2); |
| 278 | OSMO_ASSERT(ul_win.v_r() == 6); |
| 279 | OSMO_ASSERT(count == 0); |
| 280 | |
Daniel Willmann | f86fb7a | 2013-11-27 17:56:02 +0100 | [diff] [blame] | 281 | rbb = "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIRRIIIR"; |
| 282 | OSMO_ASSERT(ul_win.ssn() == 6); |
Daniel Willmann | 7c3751b | 2013-12-28 13:59:24 +0100 | [diff] [blame] | 283 | ul_win.update_rbb(win_rbb); |
Daniel Willmann | c3f4330 | 2013-12-11 16:47:19 +0100 | [diff] [blame] | 284 | OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
Pau Espin Pedrol | afe189e | 2021-07-28 21:48:26 +0200 | [diff] [blame] | 285 | bits.cur_bit = 0; |
| 286 | Encoding::encode_rbb(win_rbb, &bits); |
Daniel Willmann | 0f2b5fc | 2013-12-11 16:49:43 +0100 | [diff] [blame] | 287 | printf("rbb: %s\n", osmo_hexdump(bin_rbb, sizeof(bin_rbb))); |
Pau Espin Pedrol | afe189e | 2021-07-28 21:48:26 +0200 | [diff] [blame] | 288 | Decoding::extract_rbb(&bits, win_rbb); |
Daniel Willmann | f1786a3 | 2013-12-11 18:44:49 +0100 | [diff] [blame] | 289 | OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
Daniel Willmann | f86fb7a | 2013-11-27 17:56:02 +0100 | [diff] [blame] | 290 | |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 291 | OSMO_ASSERT(ul_win.is_in_window(65)); |
| 292 | OSMO_ASSERT(ul_win.is_in_window(2)); |
Daniel Willmann | 7c3751b | 2013-12-28 13:59:24 +0100 | [diff] [blame] | 293 | OSMO_ASSERT(ul_win.m_v_n.is_received(5)); |
Jacob Erlbeck | d87e1d6 | 2015-12-14 11:43:04 +0100 | [diff] [blame] | 294 | ul_win.receive_bsn(65); |
| 295 | count = ul_win.raise_v_q(); |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 296 | OSMO_ASSERT(count == 0); |
Daniel Willmann | 7c3751b | 2013-12-28 13:59:24 +0100 | [diff] [blame] | 297 | OSMO_ASSERT(ul_win.m_v_n.is_received(5)); |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 298 | OSMO_ASSERT(ul_win.v_q() == 2); |
| 299 | OSMO_ASSERT(ul_win.v_r() == 66); |
| 300 | |
Daniel Willmann | f86fb7a | 2013-11-27 17:56:02 +0100 | [diff] [blame] | 301 | rbb = "IIIRIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIR"; |
| 302 | OSMO_ASSERT(ul_win.ssn() == 66); |
Daniel Willmann | 7c3751b | 2013-12-28 13:59:24 +0100 | [diff] [blame] | 303 | ul_win.update_rbb(win_rbb); |
Daniel Willmann | c3f4330 | 2013-12-11 16:47:19 +0100 | [diff] [blame] | 304 | OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
Pau Espin Pedrol | afe189e | 2021-07-28 21:48:26 +0200 | [diff] [blame] | 305 | bits.cur_bit = 0; |
| 306 | Encoding::encode_rbb(win_rbb, &bits); |
Daniel Willmann | 0f2b5fc | 2013-12-11 16:49:43 +0100 | [diff] [blame] | 307 | printf("rbb: %s\n", osmo_hexdump(bin_rbb, sizeof(bin_rbb))); |
Pau Espin Pedrol | afe189e | 2021-07-28 21:48:26 +0200 | [diff] [blame] | 308 | Decoding::extract_rbb(&bits, win_rbb); |
Daniel Willmann | f1786a3 | 2013-12-11 18:44:49 +0100 | [diff] [blame] | 309 | OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
Daniel Willmann | f86fb7a | 2013-11-27 17:56:02 +0100 | [diff] [blame] | 310 | |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 311 | OSMO_ASSERT(ul_win.is_in_window(2)); |
| 312 | OSMO_ASSERT(!ul_win.is_in_window(66)); |
Jacob Erlbeck | d87e1d6 | 2015-12-14 11:43:04 +0100 | [diff] [blame] | 313 | ul_win.receive_bsn(2); |
| 314 | count = ul_win.raise_v_q(); |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 315 | OSMO_ASSERT(count == 1); |
| 316 | OSMO_ASSERT(ul_win.v_q() == 3); |
| 317 | OSMO_ASSERT(ul_win.v_r() == 66); |
| 318 | |
| 319 | OSMO_ASSERT(ul_win.is_in_window(66)); |
Jacob Erlbeck | d87e1d6 | 2015-12-14 11:43:04 +0100 | [diff] [blame] | 320 | ul_win.receive_bsn(66); |
| 321 | count = ul_win.raise_v_q(); |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 322 | OSMO_ASSERT(count == 0); |
| 323 | OSMO_ASSERT(ul_win.v_q() == 3); |
| 324 | OSMO_ASSERT(ul_win.v_r() == 67); |
| 325 | |
| 326 | for (int i = 3; i <= 67; ++i) { |
Daniel Willmann | 5584479 | 2013-12-28 14:41:00 +0100 | [diff] [blame] | 327 | ul_win.receive_bsn(i); |
Jacob Erlbeck | d87e1d6 | 2015-12-14 11:43:04 +0100 | [diff] [blame] | 328 | ul_win.raise_v_q(); |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 329 | } |
| 330 | |
| 331 | OSMO_ASSERT(ul_win.v_q() == 68); |
| 332 | OSMO_ASSERT(ul_win.v_r() == 68); |
| 333 | |
Jacob Erlbeck | d87e1d6 | 2015-12-14 11:43:04 +0100 | [diff] [blame] | 334 | ul_win.receive_bsn(68); |
| 335 | count = ul_win.raise_v_q(); |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 336 | OSMO_ASSERT(ul_win.v_q() == 69); |
| 337 | OSMO_ASSERT(ul_win.v_r() == 69); |
| 338 | OSMO_ASSERT(count == 1); |
| 339 | |
| 340 | /* now test the wrapping */ |
| 341 | OSMO_ASSERT(ul_win.is_in_window(4)); |
| 342 | OSMO_ASSERT(!ul_win.is_in_window(5)); |
Jacob Erlbeck | d87e1d6 | 2015-12-14 11:43:04 +0100 | [diff] [blame] | 343 | ul_win.receive_bsn(4); |
| 344 | count = ul_win.raise_v_q(); |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 345 | OSMO_ASSERT(count == 0); |
Aravind Sirsikar | a35c911 | 2016-08-30 13:00:14 +0530 | [diff] [blame] | 346 | |
| 347 | /* |
| 348 | * SSN wrap around case |
Aravind Sirsikar | 7c7a86c | 2016-08-30 13:08:28 +0530 | [diff] [blame] | 349 | * Should not expect any BSN as nacked. |
Aravind Sirsikar | a35c911 | 2016-08-30 13:00:14 +0530 | [diff] [blame] | 350 | */ |
Aravind Sirsikar | 7c7a86c | 2016-08-30 13:08:28 +0530 | [diff] [blame] | 351 | rbb = "RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR"; |
Aravind Sirsikar | a35c911 | 2016-08-30 13:00:14 +0530 | [diff] [blame] | 352 | for (int i = 0; i < 128; ++i) { |
| 353 | ul_win.receive_bsn(i); |
| 354 | ul_win.raise_v_q(); |
| 355 | } |
| 356 | ul_win.receive_bsn(0); |
| 357 | ul_win.raise_v_q(); |
| 358 | ul_win.receive_bsn(1); |
| 359 | ul_win.raise_v_q(); |
| 360 | ul_win.update_rbb(win_rbb); |
| 361 | OSMO_ASSERT_STR_EQ(win_rbb, rbb); |
| 362 | OSMO_ASSERT(ul_win.ssn() == 2); |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 363 | } |
Daniel Willmann | 48df40d | 2013-12-11 16:51:26 +0100 | [diff] [blame] | 364 | |
| 365 | { |
Daniel Willmann | 48df40d | 2013-12-11 16:51:26 +0100 | [diff] [blame] | 366 | uint16_t lost = 0, recv = 0; |
| 367 | char show_rbb[65]; |
Jacob Erlbeck | 419b034 | 2016-01-14 13:40:01 +0100 | [diff] [blame] | 368 | uint8_t bits_data[8]; |
Pau Espin Pedrol | d1049dc | 2021-01-18 17:14:14 +0100 | [diff] [blame] | 369 | struct gprs_rlcmac_bts *dummy_bts = bts_alloc(the_pcu, 0); |
Jacob Erlbeck | a3a567e | 2015-12-28 13:46:32 +0100 | [diff] [blame] | 370 | gprs_rlc_dl_window dl_win; |
Jacob Erlbeck | 419b034 | 2016-01-14 13:40:01 +0100 | [diff] [blame] | 371 | bitvec bits; |
| 372 | int bsn_begin, bsn_end, num_blocks; |
| 373 | Ack_Nack_Description_t desc; |
Daniel Willmann | 48df40d | 2013-12-11 16:51:26 +0100 | [diff] [blame] | 374 | |
Daniel Willmann | 146514e | 2013-12-28 18:24:42 +0100 | [diff] [blame] | 375 | dl_win.m_v_b.reset(); |
Daniel Willmann | 48df40d | 2013-12-11 16:51:26 +0100 | [diff] [blame] | 376 | |
| 377 | OSMO_ASSERT(dl_win.window_empty()); |
| 378 | OSMO_ASSERT(!dl_win.window_stalled()); |
| 379 | OSMO_ASSERT(dl_win.distance() == 0); |
| 380 | |
| 381 | dl_win.increment_send(); |
| 382 | OSMO_ASSERT(!dl_win.window_empty()); |
| 383 | OSMO_ASSERT(!dl_win.window_stalled()); |
| 384 | OSMO_ASSERT(dl_win.distance() == 1); |
| 385 | |
| 386 | for (int i = 0; i < 35; ++i) { |
| 387 | dl_win.increment_send(); |
| 388 | OSMO_ASSERT(!dl_win.window_empty()); |
| 389 | OSMO_ASSERT(dl_win.distance() == i + 2); |
| 390 | } |
| 391 | |
| 392 | uint8_t rbb_cmp[8] = { 0x00, 0x00, 0x00, 0x07, 0xff, 0xff, 0xff, 0xff }; |
Jacob Erlbeck | 419b034 | 2016-01-14 13:40:01 +0100 | [diff] [blame] | 393 | bits.data = bits_data; |
| 394 | bits.data_len = sizeof(bits_data); |
| 395 | bits.cur_bit = 0; |
| 396 | |
| 397 | memcpy(desc.RECEIVED_BLOCK_BITMAP, rbb_cmp, |
| 398 | sizeof(desc.RECEIVED_BLOCK_BITMAP)); |
| 399 | desc.FINAL_ACK_INDICATION = 0; |
| 400 | desc.STARTING_SEQUENCE_NUMBER = 35; |
| 401 | |
| 402 | num_blocks = Decoding::decode_gprs_acknack_bits( |
| 403 | &desc, &bits, |
| 404 | &bsn_begin, &bsn_end, &dl_win); |
| 405 | Decoding::extract_rbb(&bits, show_rbb); |
Daniel Willmann | 48df40d | 2013-12-11 16:51:26 +0100 | [diff] [blame] | 406 | printf("show_rbb: %s\n", show_rbb); |
| 407 | |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 408 | dl_win.update(dummy_bts, &bits, 0, &lost, &recv); |
Daniel Willmann | 48df40d | 2013-12-11 16:51:26 +0100 | [diff] [blame] | 409 | OSMO_ASSERT(lost == 0); |
| 410 | OSMO_ASSERT(recv == 35); |
Jacob Erlbeck | 419b034 | 2016-01-14 13:40:01 +0100 | [diff] [blame] | 411 | OSMO_ASSERT(bsn_begin == 0); |
| 412 | OSMO_ASSERT(bsn_end == 35); |
| 413 | OSMO_ASSERT(num_blocks == 35); |
Daniel Willmann | 48df40d | 2013-12-11 16:51:26 +0100 | [diff] [blame] | 414 | |
Jacob Erlbeck | 419b034 | 2016-01-14 13:40:01 +0100 | [diff] [blame] | 415 | dl_win.raise(dl_win.move_window()); |
| 416 | |
| 417 | for (int i = 0; i < 8; ++i) { |
| 418 | dl_win.increment_send(); |
| 419 | OSMO_ASSERT(!dl_win.window_empty()); |
| 420 | OSMO_ASSERT(dl_win.distance() == 2 + i); |
| 421 | } |
| 422 | |
| 423 | uint8_t rbb_cmp2[8] = { 0x00, 0x00, 0x07, 0xff, 0xff, 0xff, 0xff, 0x31 }; |
| 424 | bits.data = bits_data; |
| 425 | bits.data_len = sizeof(bits_data); |
| 426 | bits.cur_bit = 0; |
| 427 | |
| 428 | memcpy(desc.RECEIVED_BLOCK_BITMAP, rbb_cmp2, |
| 429 | sizeof(desc.RECEIVED_BLOCK_BITMAP)); |
| 430 | desc.FINAL_ACK_INDICATION = 0; |
| 431 | desc.STARTING_SEQUENCE_NUMBER = 35 + 8; |
| 432 | |
| 433 | num_blocks = Decoding::decode_gprs_acknack_bits( |
| 434 | &desc, &bits, |
| 435 | &bsn_begin, &bsn_end, &dl_win); |
| 436 | Decoding::extract_rbb(&bits, show_rbb); |
| 437 | printf("show_rbb: %s\n", show_rbb); |
| 438 | |
| 439 | lost = recv = 0; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 440 | dl_win.update(dummy_bts, &bits, 0, &lost, &recv); |
Jacob Erlbeck | 419b034 | 2016-01-14 13:40:01 +0100 | [diff] [blame] | 441 | OSMO_ASSERT(lost == 5); |
| 442 | OSMO_ASSERT(recv == 3); |
| 443 | OSMO_ASSERT(bitvec_get_bit_pos(&bits, 0) == 0); |
| 444 | OSMO_ASSERT(bitvec_get_bit_pos(&bits, 7) == 1); |
| 445 | OSMO_ASSERT(bsn_begin == 35); |
| 446 | OSMO_ASSERT(bsn_end == 43); |
| 447 | OSMO_ASSERT(num_blocks == 8); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 448 | talloc_free(dummy_bts); |
Daniel Willmann | 48df40d | 2013-12-11 16:51:26 +0100 | [diff] [blame] | 449 | } |
Holger Hans Peter Freyther | faf3ef4 | 2013-11-24 22:17:40 +0100 | [diff] [blame] | 450 | } |
| 451 | |
Alexander Couzens | 2585451 | 2019-06-17 01:50:33 +0200 | [diff] [blame] | 452 | struct crbb_test { |
| 453 | bool has_crbb; |
| 454 | bitvec *crbb; |
| 455 | uint8_t length; |
| 456 | bool color_code; |
| 457 | }; |
| 458 | |
| 459 | static void extract_egprs_ul_ack_nack( |
| 460 | struct gprs_rlcmac_ul_tbf *tbf, |
| 461 | struct bitvec *dest, |
| 462 | uint16_t *ssn, |
| 463 | struct crbb_test *crbb_test, |
| 464 | struct bitvec **urbb, |
| 465 | bool is_final) |
| 466 | { |
| 467 | uint8_t bytelength; |
| 468 | |
| 469 | /* Start of Ack/Nack Description struct */ |
| 470 | uint8_t startbit_ack_nack = 0; |
| 471 | |
| 472 | bool has_length = false; |
| 473 | uint8_t length = 0; |
| 474 | |
| 475 | bool bow = false; |
| 476 | uint8_t urbb_length = 0; |
| 477 | dest->cur_bit = 0; |
| 478 | |
| 479 | /* ignore the first 8 bit */ |
| 480 | bitvec_get_uint(dest, 8); |
| 481 | |
| 482 | /* uplink ack/nack message content */ |
| 483 | OSMO_ASSERT(bitvec_get_uint(dest, 6) == 0b001001); |
| 484 | |
| 485 | /* ignore page mode*/ |
| 486 | bitvec_get_uint(dest, 2); |
| 487 | |
| 488 | /* fix 00 */ |
| 489 | OSMO_ASSERT(bitvec_get_uint(dest, 2) == 0); |
| 490 | |
| 491 | OSMO_ASSERT(bitvec_get_uint(dest, 5) == tbf->tfi()); |
| 492 | |
| 493 | /* egprs ack/nack */ |
| 494 | OSMO_ASSERT(bitvec_get_uint(dest, 1) == 1); |
| 495 | |
| 496 | /* fix 00 */ |
| 497 | OSMO_ASSERT(bitvec_get_uint(dest, 2) == 0); |
| 498 | |
| 499 | /* ignore Channel Coding Command */ |
| 500 | bitvec_get_uint(dest, 4); |
| 501 | |
| 502 | /* we always allow resegmentation */ |
| 503 | OSMO_ASSERT(bitvec_get_uint(dest, 1) == 1); |
| 504 | |
| 505 | /* ignore pre emptive transmission */ |
| 506 | bitvec_get_uint(dest, 1); |
| 507 | |
| 508 | /* ignore PRR retransmission request */ |
| 509 | bitvec_get_uint(dest, 1); |
| 510 | |
| 511 | /* ignore ARAC retransmission request */ |
| 512 | bitvec_get_uint(dest, 1); |
| 513 | |
| 514 | if (bitvec_get_uint(dest, 1)) { |
| 515 | OSMO_ASSERT((uint32_t) bitvec_get_uint(dest, 32) == tbf->tlli()); |
| 516 | } |
| 517 | |
| 518 | /* ignore TBF_EST */ |
| 519 | bitvec_get_uint(dest, 1); |
| 520 | |
| 521 | /* Timing Advance */ |
| 522 | if (bitvec_get_uint(dest, 1)) { |
| 523 | /* Timing Advance Value */ |
| 524 | if (bitvec_get_uint(dest, 1)) |
| 525 | bitvec_get_uint(dest, 6); |
| 526 | |
| 527 | /* Timing Advance Index*/ |
| 528 | if (bitvec_get_uint(dest, 1)) |
| 529 | bitvec_get_uint(dest, 6); |
| 530 | /* Timing Advance Timeslot Number */ |
| 531 | bitvec_get_uint(dest, 3); |
| 532 | } |
| 533 | |
| 534 | /* Packet Extended Timing Advance */ |
| 535 | if (bitvec_get_uint(dest, 1)) |
| 536 | bitvec_get_uint(dest, 2); |
| 537 | |
| 538 | /* Power Control Parameters */ |
| 539 | if (bitvec_get_uint(dest, 1)) { |
| 540 | /* Alpha */ |
| 541 | bitvec_get_uint(dest, 4); |
| 542 | for (int i=0; i<8 ; i++) { |
| 543 | /* Gamma */ |
| 544 | if (bitvec_get_uint(dest, 1)) |
| 545 | bitvec_get_uint(dest, 5); |
| 546 | } |
| 547 | } |
| 548 | |
| 549 | /* Extension Bits */ |
| 550 | if (bitvec_get_uint(dest, 1)) { |
| 551 | int length = bitvec_get_uint(dest, 6); |
| 552 | bitvec_get_uint(dest, length); |
| 553 | } |
| 554 | |
| 555 | /* Beging of the EGPRS Ack/Nack */ |
| 556 | has_length = bitvec_get_uint(dest, 1); |
| 557 | if (has_length) { |
| 558 | length = bitvec_get_uint(dest, 8); |
| 559 | } else { |
| 560 | /* remaining bits is the length */ |
| 561 | length = dest->data_len * 8 - dest->cur_bit; |
| 562 | } |
| 563 | startbit_ack_nack = dest->cur_bit; |
| 564 | |
| 565 | OSMO_ASSERT(bitvec_get_uint(dest, 1) == is_final); |
| 566 | |
| 567 | /* bow Begin Of Window */ |
| 568 | bow = bitvec_get_uint(dest, 1); |
| 569 | /* TODO: check if bow is always present in our implementation */ |
| 570 | |
| 571 | /* eow End Of Window */ |
| 572 | /* TODO: eow checking */ |
| 573 | bitvec_get_uint(dest, 1); |
| 574 | |
| 575 | *ssn = bitvec_get_uint(dest, 11); |
| 576 | if (bow) { |
Pau Espin Pedrol | b3f2397 | 2020-10-23 21:00:23 +0200 | [diff] [blame] | 577 | OSMO_ASSERT(*ssn == static_cast<gprs_rlc_ul_window *>(tbf->window())->v_q() + 1); |
Alexander Couzens | 2585451 | 2019-06-17 01:50:33 +0200 | [diff] [blame] | 578 | } |
| 579 | |
| 580 | crbb_test->has_crbb = bitvec_get_uint(dest, 1); |
| 581 | if (crbb_test->has_crbb) { |
| 582 | crbb_test->length = bitvec_get_uint(dest, 7); |
| 583 | crbb_test->color_code = bitvec_get_uint(dest, 1); |
| 584 | if (crbb_test->length % 8) |
| 585 | bytelength = crbb_test->length * 8 + 1; |
| 586 | else |
| 587 | bytelength = crbb_test->length * 8; |
| 588 | |
| 589 | crbb_test->crbb = bitvec_alloc(bytelength, tall_pcu_ctx); |
| 590 | for (int i=0; i<crbb_test->length; i++) |
| 591 | bitvec_set_bit(crbb_test->crbb, bitvec_get_bit_pos(dest, dest->cur_bit + i)); |
| 592 | |
| 593 | dest->cur_bit += crbb_test->length; |
| 594 | } |
| 595 | |
| 596 | OSMO_ASSERT(dest->cur_bit < dest->data_len * 8); |
| 597 | urbb_length = length - (dest->cur_bit - startbit_ack_nack); |
| 598 | |
| 599 | if (urbb_length > 0) { |
| 600 | if (urbb_length % 8) |
| 601 | bytelength = urbb_length / 8 + 1; |
| 602 | else |
| 603 | bytelength = urbb_length / 8; |
| 604 | |
| 605 | *urbb = bitvec_alloc(bytelength, tall_pcu_ctx); |
| 606 | for (int i=urbb_length; i>0; i--) { |
| 607 | bitvec_set_bit(*urbb, bitvec_get_bit_pos(dest, dest->cur_bit + i - 1)); |
| 608 | } |
| 609 | } |
| 610 | } |
| 611 | |
| 612 | static void check_egprs_bitmap(struct gprs_rlcmac_ul_tbf *tbf, uint16_t ssn, struct crbb_test *crbb_test, bitvec *urbb, unsigned int *rbb_size) |
| 613 | { |
Pau Espin Pedrol | b3f2397 | 2020-10-23 21:00:23 +0200 | [diff] [blame] | 614 | gprs_rlc_ul_window *win = static_cast<gprs_rlc_ul_window *>(tbf->window()); |
Alexander Couzens | 2585451 | 2019-06-17 01:50:33 +0200 | [diff] [blame] | 615 | uint8_t rbb_should[RLC_EGPRS_MAX_WS] = {0}; |
| 616 | bitvec rbb_should_bv; |
| 617 | rbb_should_bv.data = rbb_should; |
| 618 | rbb_should_bv.data_len = RLC_EGPRS_MAX_WS; |
| 619 | rbb_should_bv.cur_bit = 0; |
| 620 | |
| 621 | /* rbb starting at ssn without mod */ |
| 622 | bitvec *rbb_ssn_bv = bitvec_alloc(RLC_EGPRS_MAX_WS, tall_pcu_ctx); |
| 623 | |
| 624 | /* even any ssn is allowed, pcu should only use v_q() at least for now */ |
| 625 | OSMO_ASSERT(ssn == (win->v_q() + 1)); |
| 626 | |
| 627 | if (crbb_test->has_crbb) { |
| 628 | OSMO_ASSERT(0 == egprs_compress::decompress_crbb( |
| 629 | crbb_test->length, |
| 630 | crbb_test->color_code, |
| 631 | crbb_test->crbb->data, |
| 632 | rbb_ssn_bv)); |
| 633 | } |
| 634 | |
| 635 | if (urbb && urbb->cur_bit > 0) { |
| 636 | for (unsigned int i=0; i<urbb->cur_bit; i++) { |
| 637 | bitvec_set_bit(rbb_ssn_bv, bitvec_get_bit_pos(urbb, i)); |
| 638 | } |
| 639 | } |
| 640 | |
| 641 | /* check our rbb is equal the decompressed */ |
| 642 | rbb_should_bv.cur_bit = win->update_egprs_rbb(rbb_should); |
| 643 | |
| 644 | bool failed = false; |
| 645 | for (unsigned int i=0; i < rbb_ssn_bv->cur_bit; i++) { |
| 646 | if (bitvec_get_bit_pos(&rbb_should_bv, i) != |
| 647 | bitvec_get_bit_pos(rbb_ssn_bv, i)) |
| 648 | failed = true; |
| 649 | } |
| 650 | if (failed) { |
| 651 | fprintf(stderr, "SSN %d\n", ssn); |
| 652 | for (int i=win->v_q(); i<win->ws(); i++) { |
| 653 | fprintf(stderr, "bsn %d is %s\n", i, win->is_received( i) ? "received" : "MISS"); |
| 654 | } |
| 655 | char to_dump[256] = { 0 }; |
| 656 | bitvec_to_string_r(&rbb_should_bv, to_dump); |
| 657 | fprintf(stderr, "should: %s\n", to_dump); |
| 658 | memset(to_dump, 0x0, 256); |
| 659 | bitvec_to_string_r(rbb_ssn_bv, to_dump); |
| 660 | fprintf(stderr, "is : %s\n", to_dump); |
| 661 | OSMO_ASSERT(false); |
| 662 | } |
| 663 | |
| 664 | if (rbb_size) |
| 665 | *rbb_size = rbb_ssn_bv->cur_bit; |
| 666 | } |
| 667 | |
| 668 | static void free_egprs_ul_ack_nack(bitvec **rbb, struct crbb_test *crbb_test) |
| 669 | { |
| 670 | if (*rbb) { |
| 671 | bitvec_free(*rbb); |
| 672 | *rbb = NULL; |
| 673 | } |
| 674 | |
| 675 | if (crbb_test->crbb) { |
| 676 | bitvec_free(crbb_test->crbb); |
| 677 | crbb_test->crbb = NULL; |
| 678 | } |
| 679 | } |
| 680 | |
| 681 | static void test_egprs_ul_ack_nack() |
| 682 | { |
| 683 | bitvec *dest = bitvec_alloc(23, tall_pcu_ctx); |
| 684 | |
| 685 | fprintf(stderr, "############## test_egprs_ul_ack_nack\n"); |
| 686 | |
Pau Espin Pedrol | d1049dc | 2021-01-18 17:14:14 +0100 | [diff] [blame] | 687 | struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
Pau Espin Pedrol | ac3fd12 | 2021-01-13 18:54:38 +0100 | [diff] [blame] | 688 | the_pcu->alloc_algorithm = alloc_algorithm_a; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 689 | bts->trx[0].pdch[4].enable(); |
Alexander Couzens | 2585451 | 2019-06-17 01:50:33 +0200 | [diff] [blame] | 690 | |
Pau Espin Pedrol | 9da0686 | 2023-04-17 19:00:04 +0200 | [diff] [blame] | 691 | GprsMs *ms = ms_alloc(bts); |
Pau Espin Pedrol | bfc9756 | 2023-04-17 14:49:29 +0200 | [diff] [blame] | 692 | ms_set_ms_class(ms, 1); |
| 693 | ms_set_egprs_ms_class(ms, 1); |
Pau Espin Pedrol | bda7bb7 | 2022-10-31 14:33:09 +0100 | [diff] [blame] | 694 | struct gprs_rlcmac_ul_tbf *tbf = ul_tbf_alloc(bts, ms, 0, true); |
Alexander Couzens | 2585451 | 2019-06-17 01:50:33 +0200 | [diff] [blame] | 695 | struct crbb_test crbb_test = {0}; |
| 696 | bitvec *rbb = NULL; |
| 697 | unsigned int rbb_size; |
| 698 | uint16_t ssn = 0; |
Pau Espin Pedrol | b3f2397 | 2020-10-23 21:00:23 +0200 | [diff] [blame] | 699 | gprs_rlc_ul_window *win = static_cast<gprs_rlc_ul_window *>(tbf->window()); |
Alexander Couzens | 2585451 | 2019-06-17 01:50:33 +0200 | [diff] [blame] | 700 | |
| 701 | fprintf(stderr, "************** Test with empty window\n"); |
| 702 | win->reset_state(); |
| 703 | win->set_ws(256); |
| 704 | |
Pau Espin Pedrol | ea8dbdd | 2021-07-29 18:39:16 +0200 | [diff] [blame] | 705 | write_packet_uplink_ack(dest, tbf, false, 0); |
Alexander Couzens | 2585451 | 2019-06-17 01:50:33 +0200 | [diff] [blame] | 706 | extract_egprs_ul_ack_nack(tbf, dest, &ssn, &crbb_test, &rbb, false); |
| 707 | check_egprs_bitmap(tbf, ssn, &crbb_test, rbb, &rbb_size); |
| 708 | free_egprs_ul_ack_nack(&rbb, &crbb_test); |
| 709 | OSMO_ASSERT(rbb_size == 0); |
| 710 | |
| 711 | fprintf(stderr, "************** Test with 1 lost packet\n"); |
| 712 | win->reset_state(); |
| 713 | win->set_ws(256); |
| 714 | win->receive_bsn(1); |
| 715 | |
Pau Espin Pedrol | ea8dbdd | 2021-07-29 18:39:16 +0200 | [diff] [blame] | 716 | write_packet_uplink_ack(dest, tbf, false, 0); |
Alexander Couzens | 2585451 | 2019-06-17 01:50:33 +0200 | [diff] [blame] | 717 | extract_egprs_ul_ack_nack(tbf, dest, &ssn, &crbb_test, &rbb, false); |
| 718 | check_egprs_bitmap(tbf, ssn, &crbb_test, rbb, &rbb_size); |
| 719 | free_egprs_ul_ack_nack(&rbb, &crbb_test); |
| 720 | OSMO_ASSERT(rbb_size == 1); |
| 721 | |
| 722 | fprintf(stderr, "************** Test with compressed window\n"); |
| 723 | win->reset_state(); |
| 724 | win->set_ws(128); |
| 725 | win->receive_bsn(127); |
| 726 | |
Pau Espin Pedrol | ea8dbdd | 2021-07-29 18:39:16 +0200 | [diff] [blame] | 727 | write_packet_uplink_ack(dest, tbf, false, 0); |
Alexander Couzens | 2585451 | 2019-06-17 01:50:33 +0200 | [diff] [blame] | 728 | extract_egprs_ul_ack_nack(tbf, dest, &ssn, &crbb_test, &rbb, false); |
| 729 | check_egprs_bitmap(tbf, ssn, &crbb_test, rbb, &rbb_size); |
| 730 | free_egprs_ul_ack_nack(&rbb, &crbb_test); |
| 731 | |
| 732 | fprintf(stderr, "************** Provoke an uncompressed ACK without EOW\n"); |
| 733 | win->reset_state(); |
| 734 | win->set_ws(384); |
| 735 | for (uint16_t i=1; i<384/2; i++) |
| 736 | win->receive_bsn(i*2); |
| 737 | |
Pau Espin Pedrol | ea8dbdd | 2021-07-29 18:39:16 +0200 | [diff] [blame] | 738 | write_packet_uplink_ack(dest, tbf, false, 0); |
Alexander Couzens | 2585451 | 2019-06-17 01:50:33 +0200 | [diff] [blame] | 739 | extract_egprs_ul_ack_nack(tbf, dest, &ssn, &crbb_test, &rbb, false); |
| 740 | check_egprs_bitmap(tbf, ssn, &crbb_test, rbb, &rbb_size); |
| 741 | free_egprs_ul_ack_nack(&rbb, &crbb_test); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 742 | talloc_free(bts); |
Alexander Couzens | 2585451 | 2019-06-17 01:50:33 +0200 | [diff] [blame] | 743 | } |
| 744 | |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 745 | static void check_imm_ass(struct gprs_rlcmac_tbf *tbf, bool dl, enum ph_burst_type bt, const uint8_t *exp, uint8_t len, |
| 746 | const char *kind) |
| 747 | { |
Vadim Yanitskiy | 1156776 | 2020-07-18 23:34:17 +0700 | [diff] [blame] | 748 | uint8_t alpha = 7, gamma = 8, ta = 35, usf = 1, sz = sizeof(DUMMY_VEC) / 2, plen; |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 749 | bitvec *immediate_assignment = bitvec_alloc(sz, tall_pcu_ctx); |
| 750 | struct msgb *m = msgb_alloc(80, "test"); |
| 751 | bool poll = true; |
Vadim Yanitskiy | 1156776 | 2020-07-18 23:34:17 +0700 | [diff] [blame] | 752 | uint16_t ra = 13; |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 753 | uint32_t ref_fn = 24, fn = 11; |
| 754 | int8_t ta_idx = 0; |
| 755 | |
Vadim Yanitskiy | 1156776 | 2020-07-18 23:34:17 +0700 | [diff] [blame] | 756 | /* HACK: tbf can be NULL, so we cannot use tbf->trx here */ |
| 757 | struct gprs_rlcmac_trx trx = { }; |
| 758 | trx.pdch[5].trx = &trx; |
| 759 | trx.pdch[5].ts_no = 5; |
| 760 | trx.pdch[5].tsc = 1; |
| 761 | trx.arfcn = 877; |
| 762 | |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 763 | bitvec_unhex(immediate_assignment, DUMMY_VEC); |
Vadim Yanitskiy | 1156776 | 2020-07-18 23:34:17 +0700 | [diff] [blame] | 764 | plen = Encoding::write_immediate_assignment(&trx.pdch[5], tbf, |
| 765 | immediate_assignment, |
| 766 | dl, ra, ref_fn, ta, usf, |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 767 | poll, fn, alpha, gamma, ta_idx, bt); |
| 768 | printf("[%u] %s Immediate Assignment <%s>:\n\t%s\n", plen, dl ? "DL" : "UL", kind, |
| 769 | osmo_hexdump(immediate_assignment->data, sz)); |
| 770 | |
| 771 | memcpy(msgb_put(m, sz), immediate_assignment->data, sz); |
| 772 | if (!msgb_eq_data_print(m, exp, len)) |
| 773 | printf("%s(%s, %s) failed!\n", __func__, dl ? "DL" : "UL", kind); |
| 774 | |
| 775 | msgb_free(m); |
| 776 | } |
| 777 | |
| 778 | void test_immediate_assign_dl() |
| 779 | { |
Pau Espin Pedrol | d1049dc | 2021-01-18 17:14:14 +0100 | [diff] [blame] | 780 | struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
Pau Espin Pedrol | ac3fd12 | 2021-01-13 18:54:38 +0100 | [diff] [blame] | 781 | the_pcu->alloc_algorithm = alloc_algorithm_a; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 782 | bts->trx[0].pdch[2].enable(); |
| 783 | bts->trx[0].pdch[3].enable(); |
Pau Espin Pedrol | 9da0686 | 2023-04-17 19:00:04 +0200 | [diff] [blame] | 784 | GprsMs *ms = ms_alloc(bts); |
Pau Espin Pedrol | bfc9756 | 2023-04-17 14:49:29 +0200 | [diff] [blame] | 785 | ms_set_ms_class(ms, 1); |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 786 | |
Pau Espin Pedrol | 8757384 | 2022-10-26 20:23:45 +0200 | [diff] [blame] | 787 | struct gprs_rlcmac_tbf *tbf = dl_tbf_alloc(bts, ms, 0, false); |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 788 | static uint8_t res[] = { 0x06, |
Pau Espin Pedrol | f510f5b | 2022-10-14 16:37:18 +0200 | [diff] [blame] | 789 | 0x3f, /* Immediate Assignment Message Type (GSM48_MT_RR_IMM_ASS) */ |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 790 | 0x30, /* §10.5.2.26 Page Mode and §10.5.2.25b Dedicated mode/TBF */ |
| 791 | 0x0d, 0x23, 0x6d, /* §10.5.2.25a Packet Channel Description */ |
| 792 | /* ETSI TS 44.018 §10.5.2.30 Request Reference */ |
| 793 | 0x7f, /* RA */ |
| 794 | 0x03, 0x18, /* T1'-T3 */ |
| 795 | 0x23, /* TA */ |
| 796 | 0x00, /* 0-length §10.5.2.21 Mobile Allocation */ |
| 797 | /* ETSI TS 44.018 §10.5.2.16 IA Rest Octets */ |
Vadim Yanitskiy | cb98894 | 2020-11-08 13:27:35 +0700 | [diff] [blame] | 798 | 0xdf, 0xff, 0xff, 0xff, 0xf8, 0x17, 0x47, 0x08, 0x0b, 0x5b, 0x2b, 0x2b, }; |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 799 | |
| 800 | check_imm_ass(tbf, true, GSM_L1_BURST_TYPE_ACCESS_2, res, sizeof(res), "ia_rest_downlink"); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 801 | talloc_free(bts); |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 802 | } |
| 803 | |
| 804 | void test_immediate_assign_ul0m() |
| 805 | { |
Pau Espin Pedrol | d1049dc | 2021-01-18 17:14:14 +0100 | [diff] [blame] | 806 | struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
Pau Espin Pedrol | ac3fd12 | 2021-01-13 18:54:38 +0100 | [diff] [blame] | 807 | the_pcu->alloc_algorithm = alloc_algorithm_a; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 808 | bts->trx[0].pdch[4].enable(); |
| 809 | bts->trx[0].pdch[5].enable(); |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 810 | |
Pau Espin Pedrol | 9da0686 | 2023-04-17 19:00:04 +0200 | [diff] [blame] | 811 | GprsMs *ms = ms_alloc(bts); |
Pau Espin Pedrol | bfc9756 | 2023-04-17 14:49:29 +0200 | [diff] [blame] | 812 | ms_set_ms_class(ms, 1); |
Pau Espin Pedrol | bda7bb7 | 2022-10-31 14:33:09 +0100 | [diff] [blame] | 813 | struct gprs_rlcmac_tbf *tbf = ul_tbf_alloc(bts, ms, 0, false); |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 814 | static uint8_t res[] = { 0x06, |
Pau Espin Pedrol | f510f5b | 2022-10-14 16:37:18 +0200 | [diff] [blame] | 815 | 0x3f, /* Immediate Assignment Message Type (GSM48_MT_RR_IMM_ASS) */ |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 816 | 0x10, /* §10.5.2.26 Page Mode and §10.5.2.25b Dedicated mode/TBF */ |
| 817 | 0x0d, 0x23, 0x6d, /* §10.5.2.25a Packet Channel Description */ |
| 818 | /* ETSI TS 44.018 §10.5.2.30 Request Reference */ |
| 819 | 0x0d, /* RA */ |
| 820 | 0x03, 0x18, /* T1'-T3 */ |
| 821 | 0x23, /* TA */ |
| 822 | 0x00, /* 0-length §10.5.2.21 Mobile Allocation */ |
| 823 | /* ETSI TS 44.018 §10.5.2.16 IA Rest Octets */ |
Max | e742cc0 | 2019-03-12 18:42:09 +0100 | [diff] [blame] | 824 | 0xc8, 0x02, 0x1b, 0xa2, 0x0b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, }; |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 825 | |
| 826 | check_imm_ass(tbf, false, GSM_L1_BURST_TYPE_ACCESS_0, res, sizeof(res), "ia_rest_uplink(MBA)"); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 827 | talloc_free(bts); |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 828 | } |
| 829 | |
| 830 | void test_immediate_assign_ul0s() |
| 831 | { |
| 832 | static uint8_t res[] = { 0x06, |
Pau Espin Pedrol | f510f5b | 2022-10-14 16:37:18 +0200 | [diff] [blame] | 833 | 0x3f, /* Immediate Assignment Message Type (GSM48_MT_RR_IMM_ASS) */ |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 834 | 0x10, /* §10.5.2.26 Page Mode and §10.5.2.25b Dedicated mode/TBF */ |
| 835 | 0x0d, 0x23, 0x6d, /* §10.5.2.25a Packet Channel Description */ |
| 836 | /* ETSI TS 44.018 §10.5.2.30 Request Reference */ |
| 837 | 0x0d, /* RA */ |
| 838 | 0x03, 0x18, /* T1'-T3 */ |
| 839 | 0x23, /* TA */ |
| 840 | 0x00, /* 0-length §10.5.2.21 Mobile Allocation */ |
| 841 | /* ETSI TS 44.018 §10.5.2.16 IA Rest Octets */ |
Max | 3eb4736 | 2019-02-19 18:41:22 +0100 | [diff] [blame] | 842 | 0xc5, 0xd0, 0x80, 0xb5, 0xab, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, }; |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 843 | |
| 844 | check_imm_ass(NULL, false, GSM_L1_BURST_TYPE_ACCESS_0, res, sizeof(res), "ia_rest_uplink(SBA)"); |
| 845 | } |
| 846 | |
| 847 | void test_immediate_assign_ul1s() |
| 848 | { |
Pau Espin Pedrol | d1049dc | 2021-01-18 17:14:14 +0100 | [diff] [blame] | 849 | struct gprs_rlcmac_bts *bts = bts_alloc(the_pcu, 0); |
Pau Espin Pedrol | ac3fd12 | 2021-01-13 18:54:38 +0100 | [diff] [blame] | 850 | the_pcu->alloc_algorithm = alloc_algorithm_a; |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 851 | bts->trx[0].pdch[1].enable(); |
| 852 | bts->trx[0].pdch[2].enable(); |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 853 | |
Pau Espin Pedrol | 9da0686 | 2023-04-17 19:00:04 +0200 | [diff] [blame] | 854 | GprsMs *ms = ms_alloc(bts); |
Pau Espin Pedrol | bfc9756 | 2023-04-17 14:49:29 +0200 | [diff] [blame] | 855 | ms_set_ms_class(ms, 1); |
| 856 | ms_set_egprs_ms_class(ms, 1); |
Pau Espin Pedrol | bda7bb7 | 2022-10-31 14:33:09 +0100 | [diff] [blame] | 857 | struct gprs_rlcmac_tbf *tbf = ul_tbf_alloc(bts, ms, 0, false); |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 858 | static uint8_t res[] = { 0x06, |
Pau Espin Pedrol | f510f5b | 2022-10-14 16:37:18 +0200 | [diff] [blame] | 859 | 0x3f, /* Immediate Assignment Message Type (GSM48_MT_RR_IMM_ASS) */ |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 860 | 0x10, /* §10.5.2.26 Page Mode and §10.5.2.25b Dedicated mode/TBF */ |
| 861 | 0x0d, 0x23, 0x6d, /* §10.5.2.25a Packet Channel Description */ |
| 862 | /* ETSI TS 44.018 §10.5.2.30 Request Reference */ |
| 863 | 0x7f, /* RA */ |
| 864 | 0x03, 0x18, /* T1'-T3 */ |
| 865 | 0x23, /* TA */ |
| 866 | 0x00, /* 0-length §10.5.2.21 Mobile Allocation */ |
| 867 | /* ETSI TS 44.018 §10.5.2.16 IA Rest Octets */ |
Max | e742cc0 | 2019-03-12 18:42:09 +0100 | [diff] [blame] | 868 | 0x46, 0xa0, 0x08, 0x00, 0x17, 0x44, 0x0b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, }; |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 869 | |
| 870 | check_imm_ass(tbf, false, GSM_L1_BURST_TYPE_ACCESS_1, res, sizeof(res), "ia_rest_egprs_uplink(SBA)"); |
Pau Espin Pedrol | 2182e62 | 2021-01-14 16:48:38 +0100 | [diff] [blame] | 871 | talloc_free(bts); |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 872 | } |
| 873 | |
| 874 | void test_immediate_assign_ul1m() |
| 875 | { |
| 876 | static uint8_t res[] = { 0x06, |
Pau Espin Pedrol | f510f5b | 2022-10-14 16:37:18 +0200 | [diff] [blame] | 877 | 0x3f, /* Immediate Assignment Message Type (GSM48_MT_RR_IMM_ASS) */ |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 878 | 0x10, /* §10.5.2.26 Page Mode and §10.5.2.25b Dedicated mode/TBF */ |
| 879 | 0x0d, 0x23, 0x6d, /* §10.5.2.25a Packet Channel Description */ |
| 880 | /* ETSI TS 44.018 §10.5.2.30 Request Reference */ |
| 881 | 0x7f, /* RA */ |
| 882 | 0x03, 0x18, /* T1'-T3 */ |
| 883 | 0x23, /* TA */ |
| 884 | 0x00, /* 0-length §10.5.2.21 Mobile Allocation */ |
| 885 | /* ETSI TS 44.018 §10.5.2.16 IA Rest Octets */ |
| 886 | 0x46, 0x97, 0x40, 0x0b, 0x58, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, }; |
| 887 | |
| 888 | check_imm_ass(NULL, false, GSM_L1_BURST_TYPE_ACCESS_1, res, sizeof(res), "ia_rest_egprs_uplink(MBA)"); |
| 889 | } |
| 890 | |
aravind sirsikar | c0c3afd | 2016-11-09 16:27:00 +0530 | [diff] [blame] | 891 | void test_immediate_assign_rej() |
| 892 | { |
| 893 | uint8_t plen; |
Alexander Couzens | ccde5c9 | 2017-02-04 03:10:08 +0100 | [diff] [blame] | 894 | bitvec *immediate_assignment_rej = bitvec_alloc(22, tall_pcu_ctx); |
aravind sirsikar | c0c3afd | 2016-11-09 16:27:00 +0530 | [diff] [blame] | 895 | |
Max | 7426c5f | 2019-02-18 20:42:42 +0100 | [diff] [blame] | 896 | bitvec_unhex(immediate_assignment_rej, DUMMY_VEC); |
aravind sirsikar | c0c3afd | 2016-11-09 16:27:00 +0530 | [diff] [blame] | 897 | plen = Encoding::write_immediate_assignment_reject( |
| 898 | immediate_assignment_rej, 112, 100, |
Pau Espin Pedrol | 25ebf3c | 2021-04-26 13:36:16 +0200 | [diff] [blame] | 899 | GSM_L1_BURST_TYPE_ACCESS_1, 20); |
aravind sirsikar | c0c3afd | 2016-11-09 16:27:00 +0530 | [diff] [blame] | 900 | |
| 901 | printf("assignment reject: %s\n", |
| 902 | osmo_hexdump(immediate_assignment_rej->data, 22)); |
| 903 | |
| 904 | OSMO_ASSERT(plen == 19); |
| 905 | /* RA value */ |
| 906 | OSMO_ASSERT(immediate_assignment_rej->data[3] == 0x7f); |
| 907 | /* Extended RA value */ |
| 908 | OSMO_ASSERT(immediate_assignment_rej->data[19] == 0xc0); |
| 909 | |
Max | 7426c5f | 2019-02-18 20:42:42 +0100 | [diff] [blame] | 910 | bitvec_unhex(immediate_assignment_rej, DUMMY_VEC); |
aravind sirsikar | c0c3afd | 2016-11-09 16:27:00 +0530 | [diff] [blame] | 911 | |
| 912 | plen = Encoding::write_immediate_assignment_reject( |
| 913 | immediate_assignment_rej, 112, 100, |
Pau Espin Pedrol | 25ebf3c | 2021-04-26 13:36:16 +0200 | [diff] [blame] | 914 | GSM_L1_BURST_TYPE_ACCESS_0, 20); |
aravind sirsikar | c0c3afd | 2016-11-09 16:27:00 +0530 | [diff] [blame] | 915 | |
| 916 | printf("assignment reject: %s\n", |
| 917 | osmo_hexdump(immediate_assignment_rej->data, 22)); |
| 918 | |
| 919 | OSMO_ASSERT(plen == 19); |
| 920 | /* RA value */ |
| 921 | OSMO_ASSERT(immediate_assignment_rej->data[3] == 0x70); |
| 922 | |
| 923 | } |
| 924 | |
Max | 20c7c46 | 2017-12-22 14:20:05 +0100 | [diff] [blame] | 925 | static void test_lsb() |
| 926 | { |
| 927 | uint8_t u = 0; |
| 928 | |
| 929 | printf("Testing LBS utility...\n"); |
| 930 | |
| 931 | do { |
| 932 | uint8_t x = pcu_lsb(u); /* equivalent of (1 << ffs(u)) / 2 */ |
| 933 | printf("%2X " OSMO_BIT_SPEC ": {%d} %3d\n", |
| 934 | u, OSMO_BIT_PRINT(u), pcu_bitcount(u), x); |
| 935 | u++; |
| 936 | } while (u); |
| 937 | } |
| 938 | |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 939 | int main(int argc, char **argv) |
| 940 | { |
Max | 71affce | 2018-01-15 11:03:00 +0100 | [diff] [blame] | 941 | tall_pcu_ctx = talloc_named_const(NULL, 1, "types test context"); |
| 942 | if (!tall_pcu_ctx) |
| 943 | abort(); |
| 944 | |
| 945 | msgb_talloc_ctx_init(tall_pcu_ctx, 0); |
Neels Hofmeyr | 42f2d61 | 2018-04-01 16:54:40 +0200 | [diff] [blame] | 946 | osmo_init_logging2(tall_pcu_ctx, &gprs_log_info); |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 947 | log_set_use_color(osmo_stderr_target, 0); |
Pau Espin Pedrol | 00f52cc | 2021-02-19 14:01:52 +0100 | [diff] [blame] | 948 | log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_NONE); |
Pau Espin Pedrol | b18d2a5 | 2021-02-19 14:00:48 +0100 | [diff] [blame] | 949 | log_set_print_category(osmo_stderr_target, 0); |
| 950 | log_set_print_category_hex(osmo_stderr_target, 0); |
Holger Hans Peter Freyther | 11f2d58 | 2013-11-26 23:32:49 +0100 | [diff] [blame] | 951 | |
Philipp Maier | de0e558 | 2020-03-25 12:23:52 +0100 | [diff] [blame] | 952 | log_set_category_filter(osmo_stderr_target, DTBF, 1, LOGL_INFO); |
| 953 | log_set_category_filter(osmo_stderr_target, DTBFUL, 1, LOGL_INFO); |
Pau Espin Pedrol | dc2aaac | 2021-05-14 12:50:46 +0200 | [diff] [blame] | 954 | osmo_fsm_log_addr(false); |
Philipp Maier | de0e558 | 2020-03-25 12:23:52 +0100 | [diff] [blame] | 955 | |
Pau Espin Pedrol | ac3fd12 | 2021-01-13 18:54:38 +0100 | [diff] [blame] | 956 | the_pcu = gprs_pcu_alloc(tall_pcu_ctx); |
| 957 | |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 958 | printf("Making some basic type testing.\n"); |
Alexander Couzens | 2585451 | 2019-06-17 01:50:33 +0200 | [diff] [blame] | 959 | |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 960 | test_llc(); |
Holger Hans Peter Freyther | c6382dd | 2013-11-21 21:42:20 +0100 | [diff] [blame] | 961 | test_rlc(); |
Holger Hans Peter Freyther | 9525567 | 2013-11-23 16:18:18 +0100 | [diff] [blame] | 962 | test_rlc_v_b(); |
Holger Hans Peter Freyther | e9b1ebb | 2013-11-24 22:00:43 +0100 | [diff] [blame] | 963 | test_rlc_v_n(); |
Holger Hans Peter Freyther | faf3ef4 | 2013-11-24 22:17:40 +0100 | [diff] [blame] | 964 | test_rlc_dl_ul_basic(); |
Max | 81b58cc | 2019-02-18 20:46:47 +0100 | [diff] [blame] | 965 | test_immediate_assign_dl(); |
| 966 | test_immediate_assign_ul0m(); |
| 967 | test_immediate_assign_ul0s(); |
| 968 | test_immediate_assign_ul1m(); |
| 969 | test_immediate_assign_ul1s(); |
aravind sirsikar | c0c3afd | 2016-11-09 16:27:00 +0530 | [diff] [blame] | 970 | test_immediate_assign_rej(); |
Max | 20c7c46 | 2017-12-22 14:20:05 +0100 | [diff] [blame] | 971 | test_lsb(); |
Alexander Couzens | 2585451 | 2019-06-17 01:50:33 +0200 | [diff] [blame] | 972 | test_egprs_ul_ack_nack(); |
Max | 20c7c46 | 2017-12-22 14:20:05 +0100 | [diff] [blame] | 973 | |
Pau Espin Pedrol | ac3fd12 | 2021-01-13 18:54:38 +0100 | [diff] [blame] | 974 | talloc_free(the_pcu); |
| 975 | |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 976 | return EXIT_SUCCESS; |
| 977 | } |
| 978 | |
| 979 | /* |
| 980 | * stubs that should not be reached |
| 981 | */ |
| 982 | extern "C" { |
| 983 | void l1if_pdch_req() { abort(); } |
| 984 | void l1if_connect_pdch() { abort(); } |
Philipp Maier | 72ed333 | 2023-02-27 15:32:00 +0100 | [diff] [blame] | 985 | void l1if_disconnect_pdch() { abort(); } |
Holger Hans Peter Freyther | 6058220 | 2013-11-21 21:30:23 +0100 | [diff] [blame] | 986 | void l1if_close_pdch() { abort(); } |
| 987 | void l1if_open_pdch() { abort(); } |
| 988 | } |