diff options
Diffstat (limited to 'tests/rlcmac/rlcmac_types_test.c')
| -rw-r--r-- | tests/rlcmac/rlcmac_types_test.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/tests/rlcmac/rlcmac_types_test.c b/tests/rlcmac/rlcmac_types_test.c new file mode 100644 index 0000000..1c32c91 --- /dev/null +++ b/tests/rlcmac/rlcmac_types_test.c @@ -0,0 +1,88 @@ +/* rlcmac_types_test.c + * + * (C) 2023 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <stdint.h> +#include <stdio.h> + +#include <osmocom/core/application.h> +#include <osmocom/core/logging.h> +#include <osmocom/core/utils.h> +#include <osmocom/core/msgb.h> +#include <osmocom/core/fsm.h> +#include <osmocom/core/timer.h> +#include <osmocom/core/select.h> +#include <osmocom/gsm/protocol/gsm_04_08.h> +#include <osmocom/gsm/gsm48_rest_octets.h> + +#include <osmocom/gprs/rlcmac/rlcmac.h> +#include <osmocom/gprs/rlcmac/csn1_defs.h> +#include <osmocom/gprs/rlcmac/rlcmac_dec.h> + +static void *tall_ctx = NULL; + + +/* SGSN->PCU->BTS --PCH--> MS containing "Paging Request Type 1" asking for PS services. + * RLCMAC will send GMMRR-PAGE.ind to GMM layer, which is in charge of orchestrating the response. */ +static void test_tbf_starting_time_to_fn(const uint32_t cur_fn, const uint32_t fn) +{ + const uint16_t rfn = gsm_fn2rfn(fn); + StartingTime_t st; + + printf("=== %s(cur_fn=%u, fn=%u) start ===\n", __func__, cur_fn, fn); + + /* TBF_STARTING_TIME -- same as 3GPP TS 44.018 ยง10.5.2.38 Starting Time without tag: */ + st.N32 = (rfn / (26 * 51)) % 32; + st.N51 = rfn % 51; + st.N26 = rfn % 26; + + printf("cur_fn=%u fn=%u rfn=%u [T1'=%u T3=%u T2=%u]\n", + cur_fn, fn, rfn, st.N32, st.N51, st.N26); + + uint32_t res_fn = TBF_StartingTime_to_fn(&st, cur_fn); + printf("res_fn=%u\n", res_fn); + OSMO_ASSERT(res_fn == fn); + + printf("=== %s(cur_fn=%u, fn=%u) end ===\n", __func__, cur_fn, fn); +} + +static const struct log_info_cat test_log_categories[] = { }; +static const struct log_info test_log_info = { + .cat = test_log_categories, + .num_cat = ARRAY_SIZE(test_log_categories), +}; + +int main(int argc, char *argv[]) +{ + tall_ctx = talloc_named_const(NULL, 1, __FILE__); + + osmo_init_logging2(tall_ctx, &test_log_info); + log_parse_category_mask(osmo_stderr_target, "DLGLOBAL,1:"); + osmo_fsm_log_addr(false); + + log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_NONE); + log_set_print_category_hex(osmo_stderr_target, 0); + log_set_print_category(osmo_stderr_target, 1); + log_set_print_level(osmo_stderr_target, 1); + log_set_use_color(osmo_stderr_target, 0); + + test_tbf_starting_time_to_fn(0, 0); + test_tbf_starting_time_to_fn(0, 4); + test_tbf_starting_time_to_fn(4953, 4961); + test_tbf_starting_time_to_fn(2229729, 2229786); + test_tbf_starting_time_to_fn(2229777, 2229786); + test_tbf_starting_time_to_fn(1320458, 1320462); + + talloc_free(tall_ctx); +} |