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129 lines
4.2 KiB
C++
129 lines
4.2 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#ifndef SRSRAN_SCHED_NR_INTERFACE_H
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#define SRSRAN_SCHED_NR_INTERFACE_H
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#include "srsran/adt/bounded_bitset.h"
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#include "srsran/adt/bounded_vector.h"
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#include "srsran/adt/span.h"
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#include "srsran/common/tti_point.h"
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#include "srsran/interfaces/gnb_interfaces.h"
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#include "srsran/interfaces/rrc_nr_interface_types.h"
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#include "srsran/phy/phch/dci_nr.h"
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namespace srsenb {
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const static size_t SCHED_NR_MAX_CARRIERS = 4;
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const static uint16_t SCHED_NR_INVALID_RNTI = 0;
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const static size_t SCHED_NR_MAX_PDSCH_DATA = 16;
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const static size_t SCHED_NR_MAX_NOF_RBGS = 25;
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const static size_t SCHED_NR_MAX_UL_ALLOCS = 16;
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const static size_t SCHED_NR_MAX_TB = 1;
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const static size_t SCHED_NR_MAX_HARQ = 16;
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const static size_t SCHED_NR_MAX_BWP_PER_CELL = 1;
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class sched_nr_interface
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{
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public:
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using pdcch_bitmap = srsran::bounded_bitset<SCHED_NR_MAX_NOF_RBGS, true>;
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using rbg_bitmap = srsran::bounded_bitset<SCHED_NR_MAX_NOF_RBGS, true>;
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///// Configuration /////
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struct pdsch_td_res_alloc {
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uint8_t k0 = 0; // 0..32
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uint8_t k1 = 4; // 0..32
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};
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using pdsch_td_res_alloc_list = srsran::bounded_vector<pdsch_td_res_alloc, SCHED_NR_MAX_UL_ALLOCS>;
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struct pusch_td_res_alloc {
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uint8_t k2 = 4; // 0..32
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};
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using pusch_td_res_alloc_list = srsran::bounded_vector<pusch_td_res_alloc, SCHED_NR_MAX_UL_ALLOCS>;
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struct bwp_cfg_t {
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uint32_t start_rb = 0;
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uint32_t rb_width = 100;
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};
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struct cell_cfg_t {
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uint32_t nof_prb = 100;
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uint32_t nof_rbg = 25;
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srsran::bounded_vector<bwp_cfg_t, SCHED_NR_MAX_BWP_PER_CELL> bwps{1};
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};
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struct sched_cfg_t {
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uint32_t nof_concurrent_subframes = 1;
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};
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struct ue_cc_cfg_t {
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bool active = false;
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pdsch_td_res_alloc_list pdsch_res_list{1};
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pusch_td_res_alloc_list pusch_res_list{1};
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};
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struct ue_cfg_t {
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uint32_t maxharq_tx = 4;
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srsran::bounded_vector<ue_cc_cfg_t, SCHED_NR_MAX_CARRIERS> carriers;
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srsran::phy_cfg_nr_t phy_cfg = {};
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};
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///// Sched Result /////
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const static int MAX_GRANTS = 64;
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using pdcch_dl_t = mac_interface_phy_nr::pdcch_dl_t;
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using pdcch_ul_t = mac_interface_phy_nr::pdcch_ul_t;
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using pdcch_dl_list_t = srsran::bounded_vector<pdcch_dl_t, MAX_GRANTS>;
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using pdcch_ul_list_t = srsran::bounded_vector<pdcch_ul_t, MAX_GRANTS>;
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struct pdsch_t {
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srsran_sch_cfg_nr_t sch = {}; ///< PDSCH configuration
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};
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using pdsch_list_t = srsran::bounded_vector<pdsch_t, SCHED_NR_MAX_PDSCH_DATA>;
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struct dl_tti_request_t {
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tti_point pdsch_tti;
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pdcch_dl_list_t pdcchs;
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pdsch_list_t pdschs;
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};
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struct pusch_grant {
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srsran_dci_ul_nr_t dci;
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rbg_bitmap bitmap;
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};
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using pusch_list = srsran::bounded_vector<pusch_grant, SCHED_NR_MAX_PDSCH_DATA>;
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struct ul_tti_request_t {
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tti_point pusch_tti;
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srsran::bounded_vector<pusch_grant, SCHED_NR_MAX_UL_ALLOCS> pusch;
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};
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struct tti_request_t {
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dl_tti_request_t dl_res;
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ul_tti_request_t ul_res;
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};
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virtual ~sched_nr_interface() = default;
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virtual int cell_cfg(srsran::const_span<sched_nr_interface::cell_cfg_t> ue_cfg) = 0;
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virtual void ue_cfg(uint16_t rnti, const ue_cfg_t& ue_cfg) = 0;
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virtual void slot_indication(tti_point tti_rx) = 0;
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virtual int generate_sched_result(tti_point tti_rx, uint32_t cc, tti_request_t& result) = 0;
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virtual void dl_ack_info(uint16_t rnti, uint32_t cc, uint32_t pid, uint32_t tb_idx, bool ack) = 0;
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virtual void ul_sr_info(tti_point, uint16_t rnti) = 0;
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};
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} // namespace srsenb
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#endif // SRSRAN_SCHED_NR_INTERFACE_H
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