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692 lines
21 KiB
C++
692 lines
21 KiB
C++
/**
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* Copyright 2013-2022 Software Radio Systems Limited
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*
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* This file is part of srsRAN.
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*
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* srsRAN is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsRAN is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include "rlc_test_common.h"
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#include "srsran/common/test_common.h"
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#include "srsran/config.h"
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#include "srsran/interfaces/ue_pdcp_interfaces.h"
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#include "srsran/rlc/rlc.h"
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#include "srsran/rlc/rlc_um_nr.h"
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#include <array>
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#include <iostream>
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#include <vector>
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#define PCAP 0
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#define PCAP_CRNTI (0x1001)
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#define PCAP_TTI (666)
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using namespace srsran;
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#if PCAP
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#include "srsran/common/mac_pcap.h"
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#include "srsran/mac/mac_sch_pdu_nr.h"
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static std::unique_ptr<srsran::mac_pcap> pcap_handle = nullptr;
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#endif
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int write_pdu_to_pcap(const uint32_t lcid, const uint8_t* payload, const uint32_t len)
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{
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#if PCAP
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if (pcap_handle) {
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byte_buffer_t tx_buffer;
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srsran::mac_sch_pdu_nr tx_pdu;
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tx_pdu.init_tx(&tx_buffer, len + 10);
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tx_pdu.add_sdu(lcid, payload, len);
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tx_pdu.pack();
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pcap_handle->write_dl_crnti_nr(tx_buffer.msg, tx_buffer.N_bytes, PCAP_CRNTI, true, PCAP_TTI);
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return SRSRAN_SUCCESS;
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}
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#endif
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return SRSRAN_ERROR;
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}
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template <std::size_t N>
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srsran::byte_buffer_t make_pdu_and_log(const std::array<uint8_t, N>& tv)
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{
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srsran::byte_buffer_t pdu;
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memcpy(pdu.msg, tv.data(), tv.size());
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pdu.N_bytes = tv.size();
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write_pdu_to_pcap(4, tv.data(), tv.size());
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return pdu;
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}
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// Helper class to create two pre-configured RLC instances
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class rlc_um_nr_test_context1
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{
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public:
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rlc_um_nr_test_context1() :
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logger1(srslog::fetch_basic_logger("RLC_UM_1", false)),
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logger2(srslog::fetch_basic_logger("RLC_UM_2", false)),
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timers(16),
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rlc1(logger1, 3, &tester, &tester, &timers),
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rlc2(logger2, 3, &tester, &tester, &timers)
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{
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// setup logging
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logger1.set_level(srslog::basic_levels::debug);
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logger1.set_hex_dump_max_size(-1);
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logger2.set_level(srslog::basic_levels::debug);
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logger2.set_hex_dump_max_size(-1);
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// configure RLC entities
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rlc_config_t cnfg = rlc_config_t::default_rlc_um_nr_config(12);
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if (rlc1.configure(cnfg) != true) {
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fprintf(stderr, "Couldn't configure RLC1 object\n");
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}
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if (rlc2.configure(cnfg) != true) {
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fprintf(stderr, "Couldn't configure RLC2 object\n");
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}
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tester.set_expected_sdu_len(1);
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}
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srslog::basic_logger& logger1;
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srslog::basic_logger& logger2;
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srsran::timer_handler timers;
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rlc_um_tester tester;
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rlc_um_nr rlc1, rlc2;
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};
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// Basic test to write UM PDU with 6 bit SN (full SDUs are transmitted in each PDU)
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int rlc_um_nr_test1()
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{
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rlc_um_nr_test_context1 ctxt;
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const uint32_t num_sdus = 5, num_pdus = 5;
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// Push 5 SDUs into RLC1
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byte_buffer_pool* pool = byte_buffer_pool::get_instance();
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unique_byte_buffer_t sdu_bufs[num_sdus];
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for (uint32_t i = 0; i < num_sdus; i++) {
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sdu_bufs[i] = srsran::make_byte_buffer();
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*sdu_bufs[i]->msg = i; // Write the index into the buffer
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sdu_bufs[i]->N_bytes = 1; // Give each buffer a size of 1 byte
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ctxt.rlc1.write_sdu(std::move(sdu_bufs[i]));
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}
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TESTASSERT(14 == ctxt.rlc1.get_buffer_state());
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// Read 5 PDUs from RLC1 (1 byte each)
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unique_byte_buffer_t pdu_bufs[num_pdus];
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for (uint32_t i = 0; i < num_pdus; i++) {
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pdu_bufs[i] = srsran::make_byte_buffer();
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int len = ctxt.rlc1.read_pdu(pdu_bufs[i]->msg, 4); // 3 bytes for header + payload
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pdu_bufs[i]->N_bytes = len;
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// write PCAP
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write_pdu_to_pcap(4, pdu_bufs[i]->msg, pdu_bufs[i]->N_bytes);
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}
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TESTASSERT(0 == ctxt.rlc1.get_buffer_state());
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// Write 5 PDUs into RLC2
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for (uint32_t i = 0; i < num_pdus; i++) {
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ctxt.rlc2.write_pdu(pdu_bufs[i]->msg, pdu_bufs[i]->N_bytes);
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}
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TESTASSERT(0 == ctxt.rlc2.get_buffer_state());
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TESTASSERT(num_sdus == ctxt.tester.get_num_sdus());
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for (uint32_t i = 0; i < ctxt.tester.sdus.size(); i++) {
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TESTASSERT(ctxt.tester.sdus.at(i)->N_bytes == 1);
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TESTASSERT(*(ctxt.tester.sdus[i]->msg) == i);
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}
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return SRSRAN_SUCCESS;
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}
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// Basic test for SDU segmentation
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int rlc_um_nr_test2(bool reverse_rx = false)
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{
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rlc_um_nr_test_context1 ctxt;
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const uint32_t num_sdus = 1;
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const uint32_t sdu_size = 100;
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ctxt.tester.set_expected_sdu_len(sdu_size);
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// Push SDUs into RLC1
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byte_buffer_pool* pool = byte_buffer_pool::get_instance();
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unique_byte_buffer_t sdu_bufs[num_sdus];
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for (uint32_t i = 0; i < num_sdus; i++) {
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sdu_bufs[i] = srsran::make_byte_buffer();
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// Write the index into the buffer
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for (uint32_t k = 0; k < sdu_size; ++k) {
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sdu_bufs[i]->msg[k] = i;
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}
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sdu_bufs[i]->N_bytes = sdu_size;
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ctxt.rlc1.write_sdu(std::move(sdu_bufs[i]));
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}
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// TODO: check buffer state calculation
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TESTASSERT(103 == ctxt.rlc1.get_buffer_state());
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// Read PDUs from RLC1 with grant of 25 Bytes each
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const uint32_t max_num_pdus = 10;
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uint32_t num_pdus = 0;
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unique_byte_buffer_t pdu_bufs[max_num_pdus];
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while (ctxt.rlc1.get_buffer_state() != 0 && num_pdus < max_num_pdus) {
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pdu_bufs[num_pdus] = srsran::make_byte_buffer();
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int len = ctxt.rlc1.read_pdu(pdu_bufs[num_pdus]->msg, 25); // 3 bytes for header + payload
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pdu_bufs[num_pdus]->N_bytes = len;
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// write PCAP
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write_pdu_to_pcap(4, pdu_bufs[num_pdus]->msg, pdu_bufs[num_pdus]->N_bytes);
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num_pdus++;
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}
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TESTASSERT(0 == ctxt.rlc1.get_buffer_state());
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// Write PDUs into RLC2
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if (reverse_rx) {
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// receive PDUs in reverse order
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for (uint32_t i = num_pdus; i > 0; i--) {
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ctxt.rlc2.write_pdu(pdu_bufs[i - 1]->msg, pdu_bufs[i - 1]->N_bytes);
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}
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} else {
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// receive PDUs in order
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for (uint32_t i = 0; i < num_pdus; i++) {
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ctxt.rlc2.write_pdu(pdu_bufs[i]->msg, pdu_bufs[i]->N_bytes);
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}
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}
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TESTASSERT(0 == ctxt.rlc2.get_buffer_state());
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TESTASSERT(num_sdus == ctxt.tester.get_num_sdus());
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for (uint32_t i = 0; i < ctxt.tester.sdus.size(); i++) {
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TESTASSERT(ctxt.tester.sdus.at(i)->N_bytes == sdu_size);
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TESTASSERT(*(ctxt.tester.sdus[i]->msg) == i);
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}
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return SRSRAN_SUCCESS;
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}
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// Test reception of segmented RLC PDUs (two different SDUs with same PDU segmentation)
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int rlc_um_nr_test4()
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{
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rlc_um_nr_test_context1 ctxt;
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const uint32_t num_sdus = 2;
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const uint32_t sdu_size = 100;
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ctxt.tester.set_expected_sdu_len(sdu_size);
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// Push SDUs into RLC1
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byte_buffer_pool* pool = byte_buffer_pool::get_instance();
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unique_byte_buffer_t sdu_bufs[num_sdus];
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for (uint32_t i = 0; i < num_sdus; i++) {
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sdu_bufs[i] = srsran::make_byte_buffer();
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// Write the index into the buffer
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for (uint32_t k = 0; k < sdu_size; ++k) {
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sdu_bufs[i]->msg[k] = i;
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}
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sdu_bufs[i]->N_bytes = sdu_size;
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ctxt.rlc1.write_sdu(std::move(sdu_bufs[i]));
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}
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// TODO: check buffer state calculation
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int bsr = ctxt.rlc1.get_buffer_state();
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TESTASSERT(bsr == 205);
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// Read PDUs from RLC1 with grant of 25 Bytes each
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const uint32_t max_num_pdus = 20;
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uint32_t num_pdus = 0;
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unique_byte_buffer_t pdu_bufs[max_num_pdus];
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while (ctxt.rlc1.get_buffer_state() != 0 && num_pdus < max_num_pdus) {
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pdu_bufs[num_pdus] = srsran::make_byte_buffer();
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int len = ctxt.rlc1.read_pdu(pdu_bufs[num_pdus]->msg, 25); // 3 bytes for header + payload
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pdu_bufs[num_pdus]->N_bytes = len;
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num_pdus++;
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}
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TESTASSERT(0 == ctxt.rlc1.get_buffer_state());
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// Write PDUs into RLC2 (except 1 and 6
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for (uint32_t i = 0; i < num_pdus; i++) {
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if (i != 1 && i != 6) {
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ctxt.rlc2.write_pdu(pdu_bufs[i]->msg, pdu_bufs[i]->N_bytes);
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write_pdu_to_pcap(4, pdu_bufs[i]->msg, pdu_bufs[i]->N_bytes);
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}
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}
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// write remaining two PDUs in reverse-order (so SN=1 is received first)
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ctxt.rlc2.write_pdu(pdu_bufs[6]->msg, pdu_bufs[6]->N_bytes);
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write_pdu_to_pcap(4, pdu_bufs[6]->msg, pdu_bufs[6]->N_bytes);
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ctxt.rlc2.write_pdu(pdu_bufs[1]->msg, pdu_bufs[1]->N_bytes);
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write_pdu_to_pcap(4, pdu_bufs[1]->msg, pdu_bufs[1]->N_bytes);
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TESTASSERT(0 == ctxt.rlc2.get_buffer_state());
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TESTASSERT(num_sdus == ctxt.tester.get_num_sdus());
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for (uint32_t i = 0; i < ctxt.tester.sdus.size(); i++) {
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TESTASSERT(ctxt.tester.sdus.at(i)->N_bytes == sdu_size);
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// common tester makes sure the all bytes within the SDU are the same, but it doesn't verify the SDUs are the ones
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// transmitted, so check this here
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if (i == 0) {
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// first SDU is SN=1
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TESTASSERT(*(ctxt.tester.sdus.at(i)->msg) == 0x01);
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} else {
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// second SDU is SN=0
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TESTASSERT(*(ctxt.tester.sdus.at(i)->msg) == 0x00);
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}
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}
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return SRSRAN_SUCCESS;
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}
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// Handling of re-transmitted segments (e.g. after PHY retransmission)
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int rlc_um_nr_test5(const uint32_t last_sn)
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{
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rlc_um_nr_test_context1 ctxt;
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const uint32_t num_sdus = 1;
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const uint32_t sdu_size = 100;
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ctxt.tester.set_expected_sdu_len(sdu_size);
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// Push SDUs into RLC1
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byte_buffer_pool* pool = byte_buffer_pool::get_instance();
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unique_byte_buffer_t sdu_bufs[num_sdus];
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for (uint32_t i = 0; i < num_sdus; i++) {
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sdu_bufs[i] = srsran::make_byte_buffer();
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// Write the index into the buffer
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for (uint32_t k = 0; k < sdu_size; ++k) {
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sdu_bufs[i]->msg[k] = i;
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}
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sdu_bufs[i]->N_bytes = sdu_size;
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ctxt.rlc1.write_sdu(std::move(sdu_bufs[i]));
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}
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// TODO: check buffer state calculation
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TESTASSERT(103 == ctxt.rlc1.get_buffer_state());
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// Read PDUs from RLC1 with grant of 25 Bytes each
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const uint32_t max_num_pdus = 10;
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uint32_t num_pdus = 0;
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unique_byte_buffer_t pdu_bufs[max_num_pdus];
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while (ctxt.rlc1.get_buffer_state() != 0 && num_pdus < max_num_pdus) {
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pdu_bufs[num_pdus] = srsran::make_byte_buffer();
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int len = ctxt.rlc1.read_pdu(pdu_bufs[num_pdus]->msg, 25); // 3 bytes for header + payload
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pdu_bufs[num_pdus]->N_bytes = len;
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// write PCAP
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write_pdu_to_pcap(4, pdu_bufs[num_pdus]->msg, pdu_bufs[num_pdus]->N_bytes);
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num_pdus++;
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}
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TESTASSERT(0 == ctxt.rlc1.get_buffer_state());
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// Write alls PDUs twice into RLC2 (except third)
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for (uint32_t k = 0; k < 2; k++) {
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for (uint32_t i = 0; i < num_pdus; i++) {
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if (i != last_sn) {
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ctxt.rlc2.write_pdu(pdu_bufs[i]->msg, pdu_bufs[i]->N_bytes);
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}
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}
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}
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// Write third PDU
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ctxt.rlc2.write_pdu(pdu_bufs[last_sn]->msg, pdu_bufs[last_sn]->N_bytes);
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TESTASSERT(0 == ctxt.rlc2.get_buffer_state());
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TESTASSERT(num_sdus == ctxt.tester.get_num_sdus());
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for (uint32_t i = 0; i < ctxt.tester.sdus.size(); i++) {
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TESTASSERT(ctxt.tester.sdus.at(i)->N_bytes == sdu_size);
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TESTASSERT(*(ctxt.tester.sdus[i]->msg) == i);
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}
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return SRSRAN_SUCCESS;
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}
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// Test of wrap-around of reassembly window
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int rlc_um_nr_test6()
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{
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rlc_um_nr_test_context1 ctxt;
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const uint32_t num_sdus = 64;
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const uint32_t sdu_size = 10;
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ctxt.tester.set_expected_sdu_len(sdu_size);
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// Push SDUs into RLC1
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byte_buffer_pool* pool = byte_buffer_pool::get_instance();
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unique_byte_buffer_t sdu_bufs[num_sdus];
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for (uint32_t i = 0; i < num_sdus; i++) {
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sdu_bufs[i] = srsran::make_byte_buffer();
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// Write the index into the buffer
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for (uint32_t k = 0; k < sdu_size; ++k) {
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sdu_bufs[i]->msg[k] = i;
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}
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sdu_bufs[i]->N_bytes = sdu_size;
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ctxt.rlc1.write_sdu(std::move(sdu_bufs[i]));
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}
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// TODO: check buffer state calculation
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// TESTASSERT(103 == ctxt.rlc1.get_buffer_state());
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// Read PDUs from RLC1 with grant of 8 Bytes each
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const uint32_t max_num_pdus = num_sdus * 2; // we need 2 PDUs for each SDU
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uint32_t num_pdus = 0;
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unique_byte_buffer_t pdu_bufs[max_num_pdus];
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while (ctxt.rlc1.get_buffer_state() != 0 && num_pdus < max_num_pdus) {
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pdu_bufs[num_pdus] = srsran::make_byte_buffer();
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int len = ctxt.rlc1.read_pdu(pdu_bufs[num_pdus]->msg, 8); // 3 bytes for header + payload
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pdu_bufs[num_pdus]->N_bytes = len;
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// write PCAP
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write_pdu_to_pcap(4, pdu_bufs[num_pdus]->msg, pdu_bufs[num_pdus]->N_bytes);
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num_pdus++;
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}
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TESTASSERT(0 == ctxt.rlc1.get_buffer_state());
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// Write PDUs into RLC2
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for (uint32_t i = 0; i < num_pdus; i++) {
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ctxt.rlc2.write_pdu(pdu_bufs[i]->msg, pdu_bufs[i]->N_bytes);
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}
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TESTASSERT(0 == ctxt.rlc2.get_buffer_state());
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TESTASSERT(num_sdus == ctxt.tester.get_num_sdus());
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for (uint32_t i = 0; i < ctxt.tester.sdus.size(); i++) {
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TESTASSERT(ctxt.tester.sdus.at(i)->N_bytes == sdu_size);
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TESTASSERT(*(ctxt.tester.sdus[i]->msg) == i);
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}
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return SRSRAN_SUCCESS;
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}
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|
|
|
// Segment loss received too many new PDUs (lost PDU outside of reassembly window)
|
|
int rlc_um_nr_test7()
|
|
{
|
|
rlc_um_nr_test_context1 ctxt;
|
|
|
|
const uint32_t num_sdus = 64;
|
|
const uint32_t sdu_size = 10;
|
|
|
|
ctxt.tester.set_expected_sdu_len(sdu_size);
|
|
|
|
// Push SDUs into RLC1
|
|
byte_buffer_pool* pool = byte_buffer_pool::get_instance();
|
|
unique_byte_buffer_t sdu_bufs[num_sdus];
|
|
for (uint32_t i = 0; i < num_sdus; i++) {
|
|
sdu_bufs[i] = srsran::make_byte_buffer();
|
|
// Write the index into the buffer
|
|
for (uint32_t k = 0; k < sdu_size; ++k) {
|
|
sdu_bufs[i]->msg[k] = i;
|
|
}
|
|
sdu_bufs[i]->N_bytes = sdu_size;
|
|
ctxt.rlc1.write_sdu(std::move(sdu_bufs[i]));
|
|
}
|
|
|
|
// TODO: check buffer state calculation
|
|
// TESTASSERT(103 == ctxt.rlc1.get_buffer_state());
|
|
|
|
// Read PDUs from RLC1 with grant of 8 Bytes each
|
|
const uint32_t max_num_pdus = num_sdus * 2; // we need 2 PDUs for each SDU
|
|
uint32_t num_pdus = 0;
|
|
unique_byte_buffer_t pdu_bufs[max_num_pdus];
|
|
|
|
while (ctxt.rlc1.get_buffer_state() != 0 && num_pdus < max_num_pdus) {
|
|
pdu_bufs[num_pdus] = srsran::make_byte_buffer();
|
|
int len = ctxt.rlc1.read_pdu(pdu_bufs[num_pdus]->msg, 8); // 3 bytes for header + payload
|
|
pdu_bufs[num_pdus]->N_bytes = len;
|
|
|
|
// write PCAP
|
|
write_pdu_to_pcap(4, pdu_bufs[num_pdus]->msg, pdu_bufs[num_pdus]->N_bytes);
|
|
|
|
num_pdus++;
|
|
}
|
|
|
|
TESTASSERT(0 == ctxt.rlc1.get_buffer_state());
|
|
|
|
// Write PDUs into RLC2 (except 11th)
|
|
for (uint32_t i = 0; i < num_pdus; i++) {
|
|
if (i != 10) {
|
|
ctxt.rlc2.write_pdu(pdu_bufs[i]->msg, pdu_bufs[i]->N_bytes);
|
|
}
|
|
}
|
|
|
|
TESTASSERT(0 == ctxt.rlc2.get_buffer_state());
|
|
|
|
TESTASSERT(num_sdus - 1 == ctxt.tester.get_num_sdus());
|
|
for (uint32_t i = 0; i < ctxt.tester.sdus.size(); i++) {
|
|
TESTASSERT(ctxt.tester.sdus.at(i)->N_bytes == sdu_size);
|
|
}
|
|
|
|
// let t-reassembly expire
|
|
while (ctxt.timers.nof_running_timers() != 0) {
|
|
ctxt.timers.step_all();
|
|
}
|
|
|
|
rlc_bearer_metrics_t rlc2_metrics = ctxt.rlc2.get_metrics();
|
|
TESTASSERT(rlc2_metrics.num_lost_pdus == 1);
|
|
|
|
return SRSRAN_SUCCESS;
|
|
}
|
|
|
|
// Segment loss and expiry of reassembly timer
|
|
int rlc_um_nr_test8()
|
|
{
|
|
rlc_um_nr_test_context1 ctxt;
|
|
|
|
const uint32_t num_sdus = 10;
|
|
const uint32_t sdu_size = 10;
|
|
|
|
ctxt.tester.set_expected_sdu_len(sdu_size);
|
|
|
|
// Push SDUs into RLC1
|
|
byte_buffer_pool* pool = byte_buffer_pool::get_instance();
|
|
unique_byte_buffer_t sdu_bufs[num_sdus];
|
|
for (uint32_t i = 0; i < num_sdus; i++) {
|
|
sdu_bufs[i] = srsran::make_byte_buffer();
|
|
// Write the index into the buffer
|
|
for (uint32_t k = 0; k < sdu_size; ++k) {
|
|
sdu_bufs[i]->msg[k] = i;
|
|
}
|
|
sdu_bufs[i]->N_bytes = sdu_size;
|
|
ctxt.rlc1.write_sdu(std::move(sdu_bufs[i]));
|
|
}
|
|
|
|
// TODO: check buffer state calculation
|
|
// TESTASSERT(103 == ctxt.rlc1.get_buffer_state());
|
|
|
|
// Read PDUs from RLC1 with grant of 8 Bytes each
|
|
const uint32_t max_num_pdus = 20 * 2; // we need 2 PDUs for each SDU
|
|
uint32_t num_pdus = 0;
|
|
unique_byte_buffer_t pdu_bufs[max_num_pdus];
|
|
|
|
while (ctxt.rlc1.get_buffer_state() != 0 && num_pdus < max_num_pdus) {
|
|
pdu_bufs[num_pdus] = srsran::make_byte_buffer();
|
|
int len = ctxt.rlc1.read_pdu(pdu_bufs[num_pdus]->msg, 8); // 3 bytes for header + payload
|
|
pdu_bufs[num_pdus]->N_bytes = len;
|
|
|
|
// write PCAP
|
|
write_pdu_to_pcap(4, pdu_bufs[num_pdus]->msg, pdu_bufs[num_pdus]->N_bytes);
|
|
|
|
num_pdus++;
|
|
}
|
|
|
|
TESTASSERT(0 == ctxt.rlc1.get_buffer_state());
|
|
|
|
// Write PDUs into RLC2 (except 2nd)
|
|
for (uint32_t i = 0; i < num_pdus; i++) {
|
|
if (i != 2) {
|
|
ctxt.rlc2.write_pdu(pdu_bufs[i]->msg, pdu_bufs[i]->N_bytes);
|
|
}
|
|
}
|
|
|
|
TESTASSERT(0 == ctxt.rlc2.get_buffer_state());
|
|
|
|
// let t-reassembly expire
|
|
while (ctxt.timers.nof_running_timers() != 0) {
|
|
ctxt.timers.step_all();
|
|
}
|
|
|
|
TESTASSERT(num_sdus - 1 == ctxt.tester.get_num_sdus());
|
|
for (uint32_t i = 0; i < ctxt.tester.sdus.size(); i++) {
|
|
TESTASSERT(ctxt.tester.sdus.at(i)->N_bytes == sdu_size);
|
|
}
|
|
|
|
rlc_bearer_metrics_t rlc2_metrics = ctxt.rlc2.get_metrics();
|
|
TESTASSERT(rlc2_metrics.num_lost_pdus == 1);
|
|
|
|
return SRSRAN_SUCCESS;
|
|
}
|
|
|
|
// Similar to rlc_um_nr_test8() but out-of-order PDUs have SNs (from multiple SDUs)
|
|
int rlc_um_nr_test9()
|
|
{
|
|
rlc_um_nr_test_context1 ctxt;
|
|
|
|
const uint32_t num_sdus = 2;
|
|
const uint32_t sdu_size = 20;
|
|
|
|
ctxt.tester.set_expected_sdu_len(sdu_size);
|
|
|
|
// Push SDUs into RLC1
|
|
byte_buffer_pool* pool = byte_buffer_pool::get_instance();
|
|
unique_byte_buffer_t sdu_bufs[num_sdus];
|
|
for (uint32_t i = 0; i < num_sdus; i++) {
|
|
sdu_bufs[i] = srsran::make_byte_buffer();
|
|
// Write the index into the buffer
|
|
for (uint32_t k = 0; k < sdu_size; ++k) {
|
|
sdu_bufs[i]->msg[k] = i;
|
|
}
|
|
sdu_bufs[i]->N_bytes = sdu_size;
|
|
ctxt.rlc1.write_sdu(std::move(sdu_bufs[i]));
|
|
}
|
|
|
|
// Read PDUs from RLC1 with grant smaller than SDU size
|
|
const uint32_t max_num_pdus = 10;
|
|
uint32_t num_pdus = 0;
|
|
unique_byte_buffer_t pdu_bufs[max_num_pdus];
|
|
|
|
while (ctxt.rlc1.get_buffer_state() != 0 && num_pdus < max_num_pdus) {
|
|
pdu_bufs[num_pdus] = srsran::make_byte_buffer();
|
|
int len = ctxt.rlc1.read_pdu(pdu_bufs[num_pdus]->msg, 10); // 3 bytes for header + payload
|
|
pdu_bufs[num_pdus]->N_bytes = len;
|
|
|
|
// write PCAP
|
|
write_pdu_to_pcap(4, pdu_bufs[num_pdus]->msg, pdu_bufs[num_pdus]->N_bytes);
|
|
|
|
num_pdus++;
|
|
}
|
|
|
|
TESTASSERT(num_pdus == 6);
|
|
|
|
// Write all PDUs such that the middle section of SN=0 is received after the start section of SN=1
|
|
ctxt.rlc2.write_pdu(pdu_bufs[0]->msg, pdu_bufs[0]->N_bytes);
|
|
// skip 2nd PDU which is the middle section of SN=0
|
|
ctxt.rlc2.write_pdu(pdu_bufs[2]->msg, pdu_bufs[2]->N_bytes);
|
|
ctxt.rlc2.write_pdu(pdu_bufs[3]->msg, pdu_bufs[3]->N_bytes);
|
|
|
|
// now feed the middle part of SN=0
|
|
ctxt.rlc2.write_pdu(pdu_bufs[1]->msg, pdu_bufs[1]->N_bytes);
|
|
|
|
// and the rest of SN=1
|
|
ctxt.rlc2.write_pdu(pdu_bufs[4]->msg, pdu_bufs[4]->N_bytes);
|
|
ctxt.rlc2.write_pdu(pdu_bufs[5]->msg, pdu_bufs[5]->N_bytes);
|
|
|
|
TESTASSERT(num_sdus == ctxt.tester.get_num_sdus());
|
|
for (uint32_t i = 0; i < ctxt.tester.sdus.size(); i++) {
|
|
TESTASSERT(ctxt.tester.sdus.at(i)->N_bytes == sdu_size);
|
|
TESTASSERT(*(ctxt.tester.sdus[i]->msg) == i);
|
|
}
|
|
|
|
TESTASSERT(ctxt.timers.nof_running_timers() == 0);
|
|
|
|
return SRSRAN_SUCCESS;
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
#if PCAP
|
|
pcap_handle = std::unique_ptr<srsran::mac_pcap>(new srsran::mac_pcap());
|
|
pcap_handle->open("rlc_um_nr_test.pcap");
|
|
#endif
|
|
|
|
srslog::init();
|
|
|
|
if (rlc_um_nr_test1()) {
|
|
fprintf(stderr, "rlc_um_nr_test1() failed.\n");
|
|
return SRSRAN_ERROR;
|
|
}
|
|
|
|
if (rlc_um_nr_test2()) {
|
|
fprintf(stderr, "rlc_um_nr_test2() failed.\n");
|
|
return SRSRAN_ERROR;
|
|
}
|
|
|
|
// same like above but PDUs delivered in reverse order
|
|
if (rlc_um_nr_test2(true)) {
|
|
fprintf(stderr, "rlc_um_nr_test2(true) failed.\n");
|
|
return SRSRAN_ERROR;
|
|
}
|
|
|
|
if (rlc_um_nr_test4()) {
|
|
fprintf(stderr, "rlc_um_nr_test4() failed.\n");
|
|
return SRSRAN_ERROR;
|
|
}
|
|
|
|
for (uint32_t i = 0; i < 5; ++i) {
|
|
if (rlc_um_nr_test5(i)) {
|
|
fprintf(stderr, "rlc_um_nr_test5() for i=%d failed.\n", i);
|
|
return SRSRAN_ERROR;
|
|
}
|
|
}
|
|
|
|
if (rlc_um_nr_test6()) {
|
|
fprintf(stderr, "rlc_um_nr_test6() failed.\n");
|
|
return SRSRAN_ERROR;
|
|
}
|
|
|
|
if (rlc_um_nr_test7()) {
|
|
fprintf(stderr, "rlc_um_nr_test7() failed.\n");
|
|
return SRSRAN_ERROR;
|
|
}
|
|
|
|
if (rlc_um_nr_test8()) {
|
|
fprintf(stderr, "rlc_um_nr_test8() failed.\n");
|
|
return SRSRAN_ERROR;
|
|
}
|
|
|
|
if (rlc_um_nr_test9()) {
|
|
fprintf(stderr, "rlc_um_nr_test9() failed.\n");
|
|
return SRSRAN_ERROR;
|
|
}
|
|
|
|
#if PCAP
|
|
pcap_handle->close();
|
|
#endif
|
|
|
|
return SRSRAN_SUCCESS;
|
|
}
|