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srsRAN_4G/srsenb/hdr/stack/mac/nr/sched_nr_interface.h

120 lines
3.7 KiB
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_INTERFACE_H
#define SRSRAN_SCHED_NR_INTERFACE_H
#include "srsran/adt/bounded_bitset.h"
#include "srsran/adt/bounded_vector.h"
#include "srsran/adt/optional.h"
#include "srsran/adt/span.h"
#include "srsran/common/phy_cfg_nr.h"
#include "srsran/common/tti_point.h"
#include "srsran/interfaces/gnb_interfaces.h"
#include "srsran/phy/phch/dci_nr.h"
namespace srsenb {
const static size_t SCHED_NR_MAX_CARRIERS = 4;
const static uint16_t SCHED_NR_INVALID_RNTI = 0;
const static size_t SCHED_NR_MAX_NOF_RBGS = 17;
const static size_t SCHED_NR_MAX_TB = 1;
const static size_t SCHED_NR_MAX_HARQ = 16;
const static size_t SCHED_NR_MAX_BWP_PER_CELL = 2;
class sched_nr_interface
{
public:
static const size_t MAX_GRANTS = mac_interface_phy_nr::MAX_GRANTS;
///// Configuration /////
struct pdsch_td_res_alloc {
uint8_t k0 = 0; // 0..32
uint8_t k1 = 4; // 0..32
};
using pdsch_td_res_alloc_list = srsran::bounded_vector<pdsch_td_res_alloc, MAX_GRANTS>;
struct pusch_td_res_alloc {
uint8_t k2 = 4; // 0..32
};
using pusch_td_res_alloc_list = srsran::bounded_vector<pusch_td_res_alloc, MAX_GRANTS>;
struct bwp_cfg_t {
uint32_t start_rb = 0;
uint32_t rb_width = 100;
srsran_sch_hl_cfg_nr_t pdsch = {};
srsran_sch_hl_cfg_nr_t pusch = {};
uint32_t rar_window_size = 3;
std::array<srsran::optional<srsran_coreset_t>, SRSRAN_UE_DL_NR_MAX_NOF_CORESET> coresets;
};
struct cell_cfg_t {
srsran_tdd_config_nr_t tdd = {};
srsran::bounded_vector<bwp_cfg_t, SCHED_NR_MAX_BWP_PER_CELL> bwps{1}; // idx0 for BWP-common
};
struct sched_cfg_t {
uint32_t nof_concurrent_subframes = 1;
};
struct ue_cc_cfg_t {
bool active = false;
pdsch_td_res_alloc_list pdsch_res_list{1};
pusch_td_res_alloc_list pusch_res_list{1};
};
struct ue_cfg_t {
uint32_t maxharq_tx = 4;
srsran::bounded_vector<ue_cc_cfg_t, SCHED_NR_MAX_CARRIERS> carriers;
srsran::phy_cfg_nr_t phy_cfg = {};
};
////// RACH //////
struct dl_sched_rar_info_t {
uint32_t preamble_idx;
uint32_t ta_cmd;
uint16_t temp_crnti;
uint32_t msg3_size;
uint32_t prach_tti;
};
///// Sched Result /////
using dl_sched_t = mac_interface_phy_nr::dl_sched_t;
using ul_sched_t = mac_interface_phy_nr::ul_sched_t;
struct pucch_resource_grant {
uint16_t rnti;
uint32_t resource_set_id;
uint32_t resource_id;
};
struct pucch_grant {
pucch_resource_grant resource;
};
using pucch_list_t = srsran::bounded_vector<pucch_grant, MAX_GRANTS>;
virtual ~sched_nr_interface() = default;
virtual int cell_cfg(srsran::const_span<sched_nr_interface::cell_cfg_t> ue_cfg) = 0;
virtual void ue_cfg(uint16_t rnti, const ue_cfg_t& ue_cfg) = 0;
virtual int get_dl_sched(tti_point tti_rx, uint32_t cc, dl_sched_t& result) = 0;
virtual int get_ul_sched(tti_point tti_rx, uint32_t cc, ul_sched_t& result) = 0;
virtual void dl_ack_info(uint16_t rnti, uint32_t cc, uint32_t pid, uint32_t tb_idx, bool ack) = 0;
virtual void ul_sr_info(tti_point, uint16_t rnti) = 0;
};
} // namespace srsenb
#endif // SRSRAN_SCHED_NR_INTERFACE_H