mirror of https://github.com/PentHertz/srsLTE.git
115 lines
3.4 KiB
C++
115 lines
3.4 KiB
C++
/*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE 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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* srsLTE 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 SRSUE_MAC_NR_H
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#define SRSUE_MAC_NR_H
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#include "srslte/common/block_queue.h"
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#include "srslte/common/logmap.h"
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#include "srslte/common/mac_nr_pcap.h"
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#include "srslte/interfaces/ue_nr_interfaces.h"
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#include "srslte/mac/mac_nr_pdu.h"
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#include "srsue/hdr/stack/mac/mux.h"
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#include "srsue/hdr/stack/ue_stack_base.h"
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namespace srsue {
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struct mac_nr_args_t {
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srsue::pcap_args_t pcap;
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// TODO: remove temp variable
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uint32_t drb_lcid;
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};
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class mac_nr final : public mac_interface_phy_nr, public mac_interface_rrc_nr
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{
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public:
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mac_nr(srslte::ext_task_sched_handle task_sched_);
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~mac_nr();
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int init(const mac_nr_args_t& args_, phy_interface_mac_nr* phy, rlc_interface_mac* rlc);
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void stop();
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void reset();
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void run_tti(const uint32_t tti);
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uint16_t get_dl_sched_rnti(uint32_t tti);
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uint16_t get_ul_sched_rnti(uint32_t tti);
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void bch_decoded_ok(uint32_t tti, srslte::unique_byte_buffer_t payload);
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int sf_indication(const uint32_t tti);
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void tb_decoded(const uint32_t cc_idx, mac_nr_grant_dl_t& grant);
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void new_grant_ul(const uint32_t cc_idx, const mac_nr_grant_ul_t& grant);
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void timer_expired(uint32_t timer_id);
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void get_metrics(mac_metrics_t* metrics);
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/// stack interface
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void process_pdus();
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private:
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void setup_lcid(uint32_t lcid, uint32_t lcg, uint32_t priority, int PBR_x_tti, uint32_t BSD);
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void setup_lcid(const logical_channel_config_t& config);
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void handle_pdu(srslte::unique_byte_buffer_t pdu);
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void get_ul_data(const mac_nr_grant_ul_t& grant, phy_interface_stack_nr::tx_request_t* tx_request);
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/// Interaction with rest of the stack
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phy_interface_mac_nr* phy = nullptr;
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rlc_interface_mac* rlc = nullptr;
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srslte::ext_task_sched_handle task_sched;
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std::unique_ptr<srslte::mac_nr_pcap> pcap = nullptr;
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srslte::log_ref log_h;
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srslte::byte_buffer_pool* pool = nullptr;
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mac_nr_args_t args = {};
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bool started = false;
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uint16_t crnti = 0xdead;
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static constexpr uint32_t MIN_RLC_PDU_LEN =
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5; ///< minimum bytes that need to be available in a MAC PDU for attempting to add another RLC SDU
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srslte::block_queue<srslte::unique_byte_buffer_t>
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pdu_queue; ///< currently only DCH PDUs supported (add BCH, PCH, etc)
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mac_metrics_t metrics[SRSLTE_MAX_CARRIERS] = {};
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/// Rx buffer
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srslte::mac_nr_sch_pdu rx_pdu;
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/// Tx buffer
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srslte::mac_nr_sch_pdu tx_pdu;
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srslte::unique_byte_buffer_t tx_buffer = nullptr;
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srslte::unique_byte_buffer_t rlc_buffer = nullptr;
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srslte::task_multiqueue::queue_handle stack_task_dispatch_queue;
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};
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} // namespace srsue
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#endif // SRSUE_MAC_NR_H
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