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C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2021 Software Radio Systems Limited
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the distribution.
*
*/
#ifndef SRSRAN_SCHED_NR_BWP_H
#define SRSRAN_SCHED_NR_BWP_H
#include "sched_nr_cfg.h"
#include "sched_nr_grant_allocator.h"
#include "sched_nr_signalling.h"
#include "sched_nr_time_rr.h"
#include "srsran/adt/pool/cached_alloc.h"
namespace srsenb {
namespace sched_nr_impl {
using dl_sched_rar_info_t = sched_nr_interface::rar_info_t;
/// RAR/Msg3 scheduler
class ra_sched
{
public:
explicit ra_sched(const bwp_params_t& bwp_cfg_);
/// Addition of detected PRACH into the queue
int dl_rach_info(const dl_sched_rar_info_t& rar_info);
/// Allocate pending RARs
void run_slot(bwp_slot_allocator& slot_alloc);
/// Check if there are pending RARs
bool empty() const { return pending_rars.empty(); }
private:
struct pending_rar_t {
uint16_t ra_rnti = 0;
slot_point prach_slot;
slot_interval rar_win;
srsran::bounded_vector<dl_sched_rar_info_t, MAX_GRANTS> msg3_grant;
};
alloc_result
allocate_pending_rar(bwp_slot_allocator& slot_grid, const pending_rar_t& rar, uint32_t& nof_grants_alloc);
const bwp_params_t* bwp_cfg = nullptr;
srslog::basic_logger& logger;
srsran::deque<pending_rar_t> pending_rars;
};
class bwp_manager
{
public:
explicit bwp_manager(const bwp_params_t& bwp_cfg);
const bwp_params_t* cfg;
// channel-specific schedulers
si_sched si;
ra_sched ra;
std::unique_ptr<sched_nr_base> data_sched;
// Stores pending allocations and PRB bitmaps
bwp_res_grid grid;
};
} // namespace sched_nr_impl
} // namespace srsenb
#endif // SRSRAN_SCHED_NR_BWP_H