mirror of https://github.com/PentHertz/srsLTE.git
141 lines
5.0 KiB
C++
141 lines
5.0 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/optional.h"
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#include "srsran/adt/span.h"
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#include "srsran/common/phy_cfg_nr.h"
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#include "srsran/common/slot_point.h"
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#include "srsran/interfaces/gnb_interfaces.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_NOF_RBGS = 18;
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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 = SRSRAN_DEFAULT_HARQ_PROC_DL_NR;
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const static size_t SCHED_NR_MAX_BWP_PER_CELL = 2;
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const static size_t SCHED_NR_MAX_LCID = 32;
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const static size_t SCHED_NR_MAX_LC_GROUP = 7;
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struct sched_nr_ue_cc_cfg_t {
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bool active = false;
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uint32_t cc = 0;
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};
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struct sched_nr_ue_cfg_t {
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uint32_t maxharq_tx = 4;
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srsran::bounded_vector<sched_nr_ue_cc_cfg_t, SCHED_NR_MAX_CARRIERS> carriers;
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std::array<mac_lc_ch_cfg_t, SCHED_NR_MAX_LCID> ue_bearers = {};
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srsran::phy_cfg_nr_t phy_cfg = {};
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};
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class sched_nr_interface
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{
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public:
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static const size_t MAX_GRANTS = mac_interface_phy_nr::MAX_GRANTS;
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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, MAX_GRANTS>;
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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, MAX_GRANTS>;
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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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srsran_pdcch_cfg_nr_t pdcch = {};
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srsran_sch_hl_cfg_nr_t pdsch = {};
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srsran_sch_hl_cfg_nr_t pusch = {};
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uint32_t rar_window_size = 10; // See TS 38.331, ra-ResponseWindow: {1, 2, 4, 8, 10, 20, 40, 80}
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uint32_t numerology_idx = 0;
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};
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struct cell_cfg_t {
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srsran_carrier_nr_t carrier = {};
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srsran_duplex_config_nr_t duplex = {};
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srsran::phy_cfg_nr_t::ssb_cfg_t ssb = {};
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srsran::bounded_vector<bwp_cfg_t, SCHED_NR_MAX_BWP_PER_CELL> bwps{1}; // idx0 for BWP-common
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};
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struct sched_args_t {
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bool pdsch_enabled = true;
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bool pusch_enabled = true;
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bool auto_refill_buffer = false;
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int fixed_dl_mcs = 28;
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int fixed_ul_mcs = 28;
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std::string logger_name = "MAC-NR";
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};
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using ue_cc_cfg_t = sched_nr_ue_cc_cfg_t;
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using ue_cfg_t = sched_nr_ue_cfg_t;
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////// RA procedure //////
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struct rar_info_t {
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uint32_t preamble_idx; // is this the RAPID?
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uint32_t ofdm_symbol_idx;
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uint32_t freq_idx;
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uint32_t ta_cmd;
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uint16_t temp_crnti;
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uint32_t msg3_size = 7;
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slot_point prach_slot;
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};
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struct msg3_grant_t {
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rar_info_t data;
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srsran_dci_ul_nr_t msg3_dci = {};
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};
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struct rar_t {
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srsran::bounded_vector<msg3_grant_t, MAX_GRANTS> grants;
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};
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///// Sched Result /////
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using dl_sched_t = mac_interface_phy_nr::dl_sched_t;
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using ul_sched_t = mac_interface_phy_nr::ul_sched_t;
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using sched_rar_list_t = srsran::bounded_vector<rar_t, MAX_GRANTS>;
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struct dl_sched_res_t {
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sched_rar_list_t rar;
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dl_sched_t dl_sched;
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};
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virtual ~sched_nr_interface() = default;
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virtual int config(const sched_args_t& sched_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 ue_rem(uint16_t rnti) = 0;
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virtual bool ue_exists(uint16_t rnti) = 0;
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virtual int run_slot(slot_point slot_rx, uint32_t cc, dl_sched_res_t& result) = 0;
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virtual int get_ul_sched(slot_point slot_rx, uint32_t cc, ul_sched_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_crc_info(uint16_t rnti, uint32_t cc, uint32_t pid, bool crc) = 0;
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virtual void ul_sr_info(uint16_t rnti) = 0;
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virtual void ul_bsr(uint16_t rnti, uint32_t lcg_id, uint32_t bsr) = 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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