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98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
/**
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* Copyright 2013-2021 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 SRSUE_MAC_COMMON_H
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#define SRSUE_MAC_COMMON_H
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#include "srsran/common/string_helpers.h"
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#include "srsran/srslog/srslog.h"
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#include <map>
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/**
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* @brief Common definitions/interfaces between LTE/NR MAC components
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*
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* @remark: So far only the trigger types are identical. The BSR report type and LCID mapping is implemented in RAT
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* specialications.
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*/
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namespace srsue {
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// BSR trigger are common between LTE and NR
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typedef enum { NONE, REGULAR, PADDING, PERIODIC } bsr_trigger_type_t;
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char* bsr_trigger_type_tostring(bsr_trigger_type_t type);
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/// Helper class to store a snapshot of buffer states for all LCGs/LCIDs
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class mac_buffer_states_t
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{
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public:
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explicit mac_buffer_states_t() {}
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void reset()
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{
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nof_lcids_with_data = 0;
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nof_lcgs_with_data = 0;
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last_non_zero_lcg = -1;
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lcid_buffer_size.clear();
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lcg_buffer_size.clear();
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}
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std::string to_string()
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{
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fmt::memory_buffer buffer;
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fmt::format_to(buffer,
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"nof_lcids_with_data={}, nof_lcgs_with_data={}, last_non_zero_lcg={} ",
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nof_lcids_with_data,
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nof_lcgs_with_data,
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last_non_zero_lcg);
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fmt::format_to(buffer, "[");
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for (const auto& lcg : lcg_buffer_size) {
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fmt::format_to(buffer, "lcg{}={}, ", lcg.first, lcg.second);
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}
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fmt::format_to(buffer, "] ");
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fmt::format_to(buffer, "[");
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for (const auto& lcid : lcid_buffer_size) {
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fmt::format_to(buffer, "lcid{}={}, ", lcid.first, lcid.second);
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}
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fmt::format_to(buffer, "]");
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return srsran::to_c_str(buffer);
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}
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uint32_t get_total_buffer_size()
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{
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uint32_t buffer_size = 0;
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for (const auto& lcg : lcid_buffer_size) {
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buffer_size += lcg.second;
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}
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return buffer_size;
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}
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std::map<uint32_t, uint32_t> lcid_buffer_size; // Buffer size entry for each LCID
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std::map<uint32_t, uint32_t> lcg_buffer_size; // Entry for each LCG (sum of LCIDs of that LCG)
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uint32_t nof_lcids_with_data = 0; // Is incremented when a LCID is found with data to transmit
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uint32_t nof_lcgs_with_data = 0; // Is incremented when a LCG is found with data to transmit
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int32_t last_non_zero_lcg = -1; // only valid if nof_lcgs_with_data is at least one
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};
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} // namespace srsue
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#endif // SRSUE_MAC_COMMON_H
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