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114 lines
3.1 KiB
C++
114 lines
3.1 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2020 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 SRSENB_MAC_NR_H
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#define SRSENB_MAC_NR_H
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#include "srslte/common/block_queue.h"
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#include "srslte/common/mac_pcap.h"
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#include "srslte/mac/mac_sch_pdu_nr.h"
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#include "srsenb/hdr/stack/enb_stack_base.h"
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#include "srslte/interfaces/enb_metrics_interface.h"
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#include "srslte/interfaces/gnb_interfaces.h"
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namespace srsenb {
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struct mac_nr_args_t {
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srsenb::pcap_args_t pcap;
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// params for the dummy user
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srsenb::sched_interface::sched_args_t sched;
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uint16_t rnti;
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uint32_t drb_lcid;
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// Add args
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std::string log_level;
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uint32_t log_hex_limit;
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uint32_t tb_size = 64;
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};
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class mac_nr final : public mac_interface_phy_nr, public mac_interface_rrc_nr, public mac_interface_rlc_nr
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{
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public:
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mac_nr();
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~mac_nr();
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int init(const mac_nr_args_t& args_,
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phy_interface_stack_nr* phy,
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stack_interface_mac* stack_,
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rlc_interface_mac_nr* rlc_,
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rrc_interface_mac_nr* rrc_);
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void stop();
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void get_metrics(srsenb::mac_metrics_t& metrics);
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// MAC interface for RRC
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int cell_cfg(srsenb::sched_interface::cell_cfg_t* cell_cfg);
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int read_pdu_bcch_bch(uint8_t* payload);
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// MAC interface for RLC
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// TODO:
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int rlc_buffer_state(uint16_t rnti, uint32_t lc_id, uint32_t tx_queue, uint32_t retx_queue) { return 0; }
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// Interface for PHY
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int sf_indication(const uint32_t tti);
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int rx_data_indication(stack_interface_phy_nr::rx_data_ind_t& grant);
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void process_pdus();
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private:
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void get_dl_config(const uint32_t tti,
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phy_interface_stack_nr::dl_config_request_t& config_request,
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phy_interface_stack_nr::tx_request_t& tx_request);
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// PDU processing
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int handle_pdu(srslte::unique_byte_buffer_t pdu);
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// Interaction with other components
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phy_interface_stack_nr* phy_h = nullptr;
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stack_interface_mac* stack_h = nullptr;
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rlc_interface_mac_nr* rlc_h = nullptr;
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rrc_interface_mac_nr* rrc_h = nullptr;
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std::unique_ptr<srslte::mac_pcap> pcap = nullptr;
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mac_nr_args_t args = {};
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srslog::basic_logger& logger;
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bool started = false;
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srsenb::sched_interface::cell_cfg_t cfg = {};
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// BCH buffers
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struct sib_info_t {
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uint32_t index;
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uint32_t periodicity;
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srslte::unique_byte_buffer_t payload;
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};
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std::vector<sib_info_t> bcch_dlsch_payload;
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srslte::unique_byte_buffer_t bcch_bch_payload = nullptr;
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// UE-specific buffer
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srslte::mac_sch_pdu_nr ue_tx_pdu;
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std::vector<srslte::unique_byte_buffer_t> ue_tx_buffer;
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srslte::block_queue<srslte::unique_byte_buffer_t>
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ue_rx_pdu_queue; ///< currently only DCH PDUs supported (add BCH, PCH, etc)
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srslte::unique_byte_buffer_t ue_rlc_buffer;
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srslte::mac_sch_pdu_nr ue_rx_pdu;
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};
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} // namespace srsenb
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#endif // SRSENB_MAC_NR_H
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