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134 lines
4.3 KiB
C++
134 lines
4.3 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#include "sched_nr_cfg_generators.h"
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#include "sched_nr_common_test.h"
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#include "srsenb/hdr/stack/mac/nr/sched_nr_bwp.h"
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#include "srsran/common/test_common.h"
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#include "srsran/support/srsran_test.h"
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#include <random>
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uint32_t seed = std::chrono::system_clock::now().time_since_epoch().count();
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namespace srsenb {
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void test_single_prach()
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{
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using namespace sched_nr_impl;
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const uint16_t rnti = 0x1234;
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static srslog::basic_logger& mac_logger = srslog::fetch_basic_logger("MAC");
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std::default_random_engine rand_gen(seed);
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std::default_random_engine rgen(rand_gen());
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// Set scheduler configuration
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sched_nr_interface::sched_args_t sched_cfg{};
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sched_cfg.auto_refill_buffer = std::uniform_int_distribution<uint32_t>{0, 1}(rgen) > 0;
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// Set cells configuration
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std::vector<sched_nr_interface::cell_cfg_t> cells_cfg = get_default_cells_cfg(1);
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sched_params schedparams{sched_cfg};
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schedparams.cells.emplace_back(0, cells_cfg[0], sched_cfg);
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const bwp_params_t& bwpparams = schedparams.cells[0].bwps[0];
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slot_ue_map_t slot_ues;
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ra_sched rasched(bwpparams);
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TESTASSERT(rasched.empty());
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std::unique_ptr<bwp_res_grid> res_grid(new bwp_res_grid{bwpparams});
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// Create UE
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sched_nr_interface::ue_cfg_t uecfg = get_default_ue_cfg(1);
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ue u(rnti, uecfg, schedparams);
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slot_point pdcch_slot{0, TX_ENB_DELAY};
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slot_point prach_slot{0, std::uniform_int_distribution<uint32_t>{TX_ENB_DELAY, 20}(rgen)};
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const bwp_slot_grid* result = nullptr;
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auto run_slot = [&res_grid, &rasched, &pdcch_slot, &slot_ues, &u]() -> const bwp_slot_grid* {
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mac_logger.set_context(pdcch_slot.to_uint());
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u.new_slot(pdcch_slot);
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slot_ues.clear();
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slot_ue sfu = u.try_reserve(pdcch_slot, 0);
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if (not sfu.empty()) {
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slot_ues.insert(rnti, std::move(sfu));
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}
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bwp_slot_allocator alloc(*res_grid, pdcch_slot, slot_ues);
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rasched.run_slot(alloc);
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log_sched_bwp_result(mac_logger, alloc.get_pdcch_tti(), alloc.res_grid(), slot_ues);
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const bwp_slot_grid* result = &alloc.res_grid()[alloc.get_pdcch_tti()];
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test_dl_pdcch_consistency(result->dl_pdcchs);
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++pdcch_slot;
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return result;
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};
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// Start Run
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for (; pdcch_slot - TX_ENB_DELAY < prach_slot;) {
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result = run_slot();
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TESTASSERT(result->dl_pdcchs.empty());
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}
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// A PRACH arrives...
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sched_nr_interface::rar_info_t rainfo{};
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rainfo.ofdm_symbol_idx = 0;
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rainfo.preamble_idx = 10;
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rainfo.temp_crnti = rnti;
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rainfo.prach_slot = prach_slot;
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rainfo.msg3_size = 7;
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TESTASSERT_SUCCESS(rasched.dl_rach_info(rainfo));
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uint16_t ra_rnti = 1 + rainfo.ofdm_symbol_idx + 14 * rainfo.prach_slot.slot_idx() + 14 * 80 * rainfo.freq_idx;
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// RAR is scheduled
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const uint32_t prach_duration = 1;
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slot_point rar_slot;
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while (true) {
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slot_point current_slot = pdcch_slot;
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result = run_slot();
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if (bwpparams.slots[current_slot.slot_idx()].is_dl and
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bwpparams.slots[(current_slot + bwpparams.pusch_ra_list[0].msg3_delay).slot_idx()].is_ul) {
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TESTASSERT_EQ(result->dl_pdcchs.size(), 1);
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const auto& pdcch = result->dl_pdcchs[0];
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TESTASSERT_EQ(pdcch.dci.ctx.rnti, ra_rnti);
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TESTASSERT_EQ(pdcch.dci.ctx.rnti_type, srsran_rnti_type_ra);
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TESTASSERT(current_slot < prach_slot + prach_duration + bwpparams.cfg.rar_window_size);
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rar_slot = current_slot;
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break;
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} else {
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TESTASSERT(result->dl_pdcchs.empty());
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}
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}
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slot_point msg3_slot = rar_slot + bwpparams.pusch_ra_list[0].msg3_delay;
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while (pdcch_slot <= msg3_slot) {
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result = run_slot();
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}
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TESTASSERT(result->puschs.size() == 1);
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}
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} // namespace srsenb
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int main(int argc, char** argv)
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{
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auto& test_logger = srslog::fetch_basic_logger("TEST");
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test_logger.set_level(srslog::basic_levels::info);
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auto& mac_logger = srslog::fetch_basic_logger("MAC");
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mac_logger.set_level(srslog::basic_levels::info);
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srsran::test_init(argc, argv);
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printf("Test random seed=%u\n\n", seed);
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srsenb::test_single_prach();
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}
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