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102 lines
2.7 KiB
C++
102 lines
2.7 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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#ifndef SRSRAN_TX_DUMMY_HARQ_PROC_H
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#define SRSRAN_TX_DUMMY_HARQ_PROC_H
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#include <mutex>
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#include <srsenb/hdr/stack/mac/common/mac_metrics.h>
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#include <srsran/adt/circular_array.h>
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#include <srsran/common/buffer_pool.h>
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#include <srsran/common/phy_cfg_nr.h>
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#include <srsran/common/standard_streams.h>
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class dummy_tx_harq_proc
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{
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private:
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mutable std::mutex mutex;
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srsran_random_t random_gen = nullptr;
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srsran::byte_buffer_t data;
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srsran_softbuffer_tx_t softbuffer = {};
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uint32_t tbs = 0;
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bool first = true;
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uint32_t ndi = 0;
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public:
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dummy_tx_harq_proc()
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{
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// Initialise softbuffer
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if (srsran_softbuffer_tx_init_guru(&softbuffer, SRSRAN_SCH_NR_MAX_NOF_CB_LDPC, SRSRAN_LDPC_MAX_LEN_ENCODED_CB) <
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SRSRAN_SUCCESS) {
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ERROR("Error Tx buffer");
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}
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}
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void init(uint32_t pid) { random_gen = srsran_random_init(pid * 1234); }
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~dummy_tx_harq_proc()
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{
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srsran_softbuffer_tx_free(&softbuffer);
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srsran_random_free(random_gen);
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}
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srsran::byte_buffer_t* get_tb(uint32_t tbs_)
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{
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std::unique_lock<std::mutex> lock(mutex);
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tbs = tbs_;
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srsran_random_byte_vector(random_gen, data.msg, tbs / 8);
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return &data;
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}
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srsran_softbuffer_tx_t& get_softbuffer(uint32_t ndi_)
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{
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std::unique_lock<std::mutex> lock(mutex);
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if (ndi_ != ndi || first) {
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srsran_softbuffer_tx_reset(&softbuffer);
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ndi = ndi_;
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first = false;
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}
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return softbuffer;
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}
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uint32_t get_tbs() const
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{
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std::unique_lock<std::mutex> lock(mutex);
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return tbs;
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}
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};
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class dummy_tx_harq_entity : public srsran::circular_array<dummy_tx_harq_proc, SRSRAN_MAX_HARQ_PROC_DL_NR>
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{
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public:
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dummy_tx_harq_entity() : srsran::circular_array<dummy_tx_harq_proc, SRSRAN_MAX_HARQ_PROC_DL_NR>()
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{
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uint32_t pid = 0;
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for (dummy_tx_harq_proc& proc : *this) {
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proc.init(pid++);
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}
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}
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};
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#endif // SRSRAN_TX_DUMMY_HARQ_PROC_H
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