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137 lines
3.7 KiB
C++
137 lines
3.7 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_UE_H
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#define SRSRAN_SCHED_NR_UE_H
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#include "sched_nr_cfg.h"
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#include "sched_nr_harq.h"
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#include "sched_nr_interface.h"
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#include "srsenb/hdr/stack/mac/common/mac_metrics.h"
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#include "srsenb/hdr/stack/mac/common/ue_buffer_manager.h"
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#include "srsran/adt/circular_map.h"
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#include "srsran/adt/move_callback.h"
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#include "srsran/adt/pool/cached_alloc.h"
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namespace srsenb {
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namespace sched_nr_impl {
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class ue_carrier;
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class slot_ue
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{
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public:
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slot_ue() = default;
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explicit slot_ue(uint16_t rnti_, slot_point slot_rx_, uint32_t cc);
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slot_ue(slot_ue&&) noexcept = default;
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slot_ue& operator=(slot_ue&&) noexcept = default;
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bool empty() const { return rnti == SCHED_NR_INVALID_RNTI; }
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void release() { rnti = SCHED_NR_INVALID_RNTI; }
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uint16_t rnti = SCHED_NR_INVALID_RNTI;
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slot_point slot_rx;
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uint32_t cc = SCHED_NR_MAX_CARRIERS;
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// UE parameters common to all sectors
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int dl_pending_bytes = 0, ul_pending_bytes = 0;
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// UE parameters that are sector specific
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const bwp_ue_cfg* cfg = nullptr;
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harq_entity* harq_ent = nullptr;
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slot_point pdcch_slot;
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slot_point pdsch_slot;
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slot_point pusch_slot;
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slot_point uci_slot;
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uint32_t dl_cqi = 0;
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uint32_t ul_cqi = 0;
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dl_harq_proc* h_dl = nullptr;
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ul_harq_proc* h_ul = nullptr;
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srsran_uci_cfg_nr_t uci_cfg = {};
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};
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class ue_carrier
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{
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public:
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ue_carrier(uint16_t rnti, const ue_cfg_t& cfg, const cell_params_t& cell_params_);
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void set_cfg(const ue_cfg_t& ue_cfg);
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/// Called after CC Feedback has been processed
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void new_slot(slot_point slot_tx);
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slot_ue try_reserve(slot_point pdcch_slot, uint32_t dl_harq_bytes, uint32_t ul_harq_bytes);
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const uint16_t rnti;
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const uint32_t cc;
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// Channel state
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uint32_t dl_cqi = 1;
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uint32_t ul_cqi = 0;
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harq_entity harq_ent;
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// metrics
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mac_ue_metrics_t metrics = {};
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private:
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bwp_ue_cfg bwp_cfg;
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const cell_params_t& cell_params;
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};
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class ue
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{
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public:
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ue(uint16_t rnti, const ue_cfg_t& cfg, const sched_params& sched_cfg_);
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void new_slot(slot_point pdcch_slot);
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slot_ue try_reserve(slot_point pdcch_slot, uint32_t cc);
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void set_cfg(const ue_cfg_t& cfg);
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const ue_cfg_t& cfg() const { return ue_cfg; }
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void rlc_buffer_state(uint32_t lcid, uint32_t newtx, uint32_t retx) { buffers.dl_buffer_state(lcid, newtx, retx); }
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void ul_bsr(uint32_t lcg, uint32_t bsr_val) { buffers.ul_bsr(lcg, bsr_val); }
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void ul_sr_info() { last_sr_slot = last_pdcch_slot - TX_ENB_DELAY; }
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bool has_ca() const
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{
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return ue_cfg.carriers.size() > 1 and std::count_if(ue_cfg.carriers.begin() + 1,
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ue_cfg.carriers.end(),
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[](const ue_cc_cfg_t& cc) { return cc.active; }) > 0;
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}
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uint32_t pcell_cc() const { return ue_cfg.carriers[0].cc; }
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ue_buffer_manager<true> buffers;
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std::array<std::unique_ptr<ue_carrier>, SCHED_NR_MAX_CARRIERS> carriers;
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const uint16_t rnti;
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private:
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const sched_params& sched_cfg;
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slot_point last_pdcch_slot;
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slot_point last_sr_slot;
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int ul_pending_bytes = 0, dl_pending_bytes = 0;
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ue_cfg_t ue_cfg;
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};
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using ue_map_t = rnti_map_t<std::unique_ptr<ue> >;
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using slot_ue_map_t = rnti_map_t<slot_ue>;
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} // namespace sched_nr_impl
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} // namespace srsenb
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#endif // SRSRAN_SCHED_NR_UE_H
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