srsLTE/srsenb/hdr/stack/mac/sched_helpers.h

60 lines
1.7 KiB
C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2020 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 SRSLTE_SCHED_HELPERS_H
#define SRSLTE_SCHED_HELPERS_H
#include "srsenb/hdr/stack/mac/sched_common.h"
#include "srslte/common/logmap.h"
#include "srslte/interfaces/sched_interface.h"
namespace srsenb {
inline uint32_t aggr_level(uint32_t aggr_idx)
{
return 1u << aggr_idx;
}
/// Obtain rvidx from nof retxs. This value is stored in DCI
inline uint32_t get_rvidx(uint32_t retx_idx)
{
const static uint32_t rv_idx[4] = {0, 2, 3, 1};
return rv_idx[retx_idx % 4];
}
/// Obtain nof retxs from rvidx.
inline uint32_t get_nof_retx(uint32_t rv_idx)
{
const static uint32_t nof_retxs[4] = {0, 3, 1, 2};
return nof_retxs[rv_idx % 4];
}
void log_dl_cc_results(srslte::log_ref log_h, uint32_t enb_cc_idx, const sched_interface::dl_sched_res_t& result);
/**
* Generate possible CCE locations a user can use to allocate DCIs
* @param regs Regs data for the given cell configuration
* @param location Result of the CCE location computation.
* @param cfi Number of control symbols used for the PDCCH
* @param sf_idx subframe index specific to the tx TTI (relevant only for data and RAR transmissions)
* @param rnti identity of the user (invalid RNTI for RAR and BC transmissions)
*/
void generate_cce_location(srslte_regs_t* regs,
sched_dci_cce_t* location,
uint32_t cfi,
uint32_t sf_idx = 0,
uint16_t rnti = SRSLTE_INVALID_RNTI);
} // namespace srsenb
#endif // SRSLTE_SCHED_HELPERS_H