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159 lines
6.3 KiB
C++
159 lines
6.3 KiB
C++
/**
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* Copyright 2013-2022 Software Radio Systems Limited
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*
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* This file is part of srsRAN.
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*
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* srsRAN is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsRAN is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef SRSRAN_SCHED_NR_CFG_H
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#define SRSRAN_SCHED_NR_CFG_H
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#include "sched_nr_interface_utils.h"
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#include "sched_nr_rb.h"
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#include "srsenb/hdr/common/common_enb.h"
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#include "srsran/adt/optional_array.h"
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namespace srsenb {
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static const size_t MAX_NOF_AGGR_LEVELS = 5;
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namespace sched_nr_impl {
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constexpr static size_t MAX_GRANTS = sched_nr_interface::MAX_GRANTS;
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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 pdsch_t = mac_interface_phy_nr::pdsch_t;
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using pusch_t = mac_interface_phy_nr::pusch_t;
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using pucch_t = mac_interface_phy_nr::pucch_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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using pdsch_list_t = srsran::bounded_vector<pdsch_t, MAX_GRANTS>;
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using pucch_list_t = srsran::bounded_vector<pucch_t, MAX_GRANTS>;
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using pusch_list_t = srsran::bounded_vector<pusch_t, MAX_GRANTS>;
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using nzp_csi_rs_list = srsran::bounded_vector<srsran_csi_rs_nzp_resource_t, mac_interface_phy_nr::MAX_NZP_CSI_RS>;
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using ssb_t = mac_interface_phy_nr::ssb_t;
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using ssb_list = srsran::bounded_vector<ssb_t, mac_interface_phy_nr::MAX_SSB>;
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using sched_args_t = sched_nr_interface::sched_args_t;
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using bwp_cfg_t = sched_nr_bwp_cfg_t;
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using ue_cc_cfg_t = sched_nr_interface::ue_cc_cfg_t;
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using pdcch_cce_pos_list = srsran::bounded_vector<uint32_t, SRSRAN_SEARCH_SPACE_MAX_NOF_CANDIDATES_NR>;
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using bwp_cce_pos_list = std::array<std::array<pdcch_cce_pos_list, MAX_NOF_AGGR_LEVELS>, SRSRAN_NOF_SF_X_FRAME>;
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using dl_sched_t = sched_nr_interface::dl_sched_t;
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using ul_sched_t = sched_nr_interface::ul_res_t;
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using dl_sched_res_t = sched_nr_interface::dl_res_t;
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/// Generate list of CCE locations for UE based on coreset and search space configurations
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void get_dci_locs(const srsran_coreset_t& coreset,
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const srsran_search_space_t& search_space,
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uint16_t rnti,
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bwp_cce_pos_list& cce_locs);
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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struct cell_config_manager;
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/// Structure that extends the sched_nr_interface::bwp_cfg_t passed by upper layers with other
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/// derived BWP-specific params
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struct bwp_params_t {
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const uint32_t bwp_id;
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const uint32_t cc;
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const bwp_cfg_t cfg;
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const cell_config_manager& cell_cfg;
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const sched_args_t& sched_cfg;
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sched_nr_bwp_cfg_t bwp_cfg;
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// derived params
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srslog::basic_logger& logger;
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uint32_t P;
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uint32_t N_rbg;
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uint32_t nof_prb;
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/// Table specifying if a slot has DL or UL enabled
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struct slot_cfg {
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bool is_dl;
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bool is_ul;
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};
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srsran::bounded_vector<slot_cfg, SRSRAN_NOF_SF_X_FRAME> slots;
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struct pusch_ra_time_cfg {
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uint32_t msg3_delay; ///< Includes K2 and delta. See TS 36.214 6.1.2.1.1-2/4/5
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uint32_t K;
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uint32_t S;
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uint32_t L;
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};
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std::vector<pusch_ra_time_cfg> pusch_ra_list;
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bwp_cce_pos_list rar_cce_list;
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srsran::optional_vector<bwp_cce_pos_list> common_cce_list;
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bwp_params_t(const cell_config_manager& cell, uint32_t bwp_id, const sched_nr_bwp_cfg_t& bwp_cfg);
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prb_interval coreset_prb_range(uint32_t cs_id) const { return coresets[cs_id].prb_limits; }
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prb_interval dci_fmt_1_0_prb_lims(uint32_t cs_id) const { return coresets[cs_id].dci_1_0_prb_limits; }
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bwp_rb_bitmap dci_fmt_1_0_excluded_prbs(uint32_t cs_id) const { return coresets[cs_id].usable_common_ss_prb_mask; }
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const srsran_search_space_t* get_ss(uint32_t ss_id) const
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{
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return cfg.pdcch.search_space_present[ss_id] ? &cfg.pdcch.search_space[ss_id] : nullptr;
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}
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private:
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bwp_rb_bitmap cached_empty_prb_mask;
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struct coreset_cached_params {
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prb_interval prb_limits;
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prb_interval dci_1_0_prb_limits; /// See TS 38.214, section 5.1.2.2
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bwp_rb_bitmap usable_common_ss_prb_mask;
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};
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srsran::optional_vector<coreset_cached_params> coresets;
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};
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/// Structure packing a single cell config params, and sched args
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struct cell_config_manager {
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const uint32_t cc;
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srsran_carrier_nr_t carrier = {};
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srsran_mib_nr_t mib;
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srsran::phy_cfg_nr_t::ssb_cfg_t ssb = {};
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std::vector<bwp_params_t> bwps; // idx0 for BWP-common
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std::vector<sched_nr_cell_cfg_sib_t> sibs;
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asn1::copy_ptr<asn1::rrc_nr::dl_cfg_common_sib_s> dl_cfg_common;
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asn1::copy_ptr<asn1::rrc_nr::ul_cfg_common_sib_s> ul_cfg_common;
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srsran_duplex_config_nr_t duplex = {};
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const sched_args_t& sched_args;
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const srsran::phy_cfg_nr_t default_ue_phy_cfg;
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cell_config_manager(uint32_t cc_, const sched_nr_cell_cfg_t& cell, const sched_args_t& sched_args_);
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uint32_t nof_prb() const { return carrier.nof_prb; }
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};
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/// Structure packing both the sched args and all gNB NR cell configurations
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struct sched_params_t {
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sched_args_t sched_cfg;
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std::vector<cell_config_manager> cells;
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sched_params_t() = default;
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explicit sched_params_t(const sched_args_t& sched_cfg_);
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};
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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} // namespace sched_nr_impl
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} // namespace srsenb
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#endif // SRSRAN_SCHED_NR_CFG_H
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