You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

89 lines
2.9 KiB
C++

/**
* Copyright 2013-2021 Software Radio Systems Limited
*
* This file is part of srsLTE.
*
* srsLTE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsLTE 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 Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#ifndef SRSUE_MAC_COMMON_H
#define SRSUE_MAC_COMMON_H
#include "srsran/common/string_helpers.h"
#include "srsran/srslog/srslog.h"
#include <map>
/**
* @brief Common definitions/interfaces between LTE/NR MAC components
*
* @remark: So far only the trigger types are identical. The BSR report type and LCID mapping is implemented in RAT
* specialications.
*/
namespace srsue {
// BSR trigger are common between LTE and NR
typedef enum { NONE, REGULAR, PADDING, PERIODIC } bsr_trigger_type_t;
char* bsr_trigger_type_tostring(bsr_trigger_type_t type);
/// Helper class to store a snapshot of buffer states for all LCGs/LCIDs
class mac_buffer_states_t
{
public:
explicit mac_buffer_states_t() {}
void reset()
{
nof_lcids_with_data = 0;
nof_lcgs_with_data = 0;
last_non_zero_lcg = -1;
lcid_buffer_size.clear();
lcg_buffer_size.clear();
}
std::string to_string()
{
fmt::memory_buffer buffer;
fmt::format_to(buffer,
"nof_lcids_with_data={}, nof_lcgs_with_data={}, last_non_zero_lcg={} ",
nof_lcids_with_data,
nof_lcgs_with_data,
last_non_zero_lcg);
fmt::format_to(buffer, "[");
for (const auto& lcg : lcg_buffer_size) {
fmt::format_to(buffer, "lcg{}={}, ", lcg.first, lcg.second);
}
fmt::format_to(buffer, "] ");
fmt::format_to(buffer, "[");
for (const auto& lcid : lcid_buffer_size) {
fmt::format_to(buffer, "lcid{}={}, ", lcid.first, lcid.second);
}
fmt::format_to(buffer, "]");
return srsran::to_c_str(buffer);
}
std::map<uint32_t, uint32_t> lcid_buffer_size; // Buffer size entry for each LCID
std::map<uint32_t, uint32_t> lcg_buffer_size; // Entry for each LCG (sum of LCIDs of that LCG)
uint32_t nof_lcids_with_data = 0; // Is incremented when a LCID is found with data to transmit
uint32_t nof_lcgs_with_data = 0; // Is incremented when a LCG is found with data to transmit
int32_t last_non_zero_lcg = -1; // only valid if nof_lcgs_with_data is at least one
};
} // namespace srsue
#endif // SRSUE_MAC_COMMON_H