/* * Copyright 2013-2020 Software Radio Systems Limited * * This file is part of srsLTE. * * srsLTE is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * srsLTE is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * A copy of the GNU Affero General Public License can be found in * the LICENSE file in the top-level directory of this distribution * and at http://www.gnu.org/licenses/. * */ #ifndef SRSUE_MAC_NR_H #define SRSUE_MAC_NR_H #include "srslte/common/block_queue.h" #include "srslte/common/logmap.h" #include "srslte/common/mac_nr_pcap.h" #include "srslte/interfaces/ue_nr_interfaces.h" #include "srslte/mac/mac_nr_pdu.h" #include "srsue/hdr/stack/mac/mux.h" #include "srsue/hdr/stack/ue_stack_base.h" namespace srsue { struct mac_nr_args_t { srsue::pcap_args_t pcap; }; class mac_nr final : public mac_interface_phy_nr, public mac_interface_rrc_nr { public: mac_nr(); ~mac_nr(); int init(const mac_nr_args_t& args_, phy_interface_mac_nr* phy, rlc_interface_mac* rlc, srslte::timer_handler* timers_, srslte::task_handler_interface* stack_); void stop(); void reset(); void run_tti(const uint32_t tti); uint16_t get_dl_sched_rnti(uint32_t tti); uint16_t get_ul_sched_rnti(uint32_t tti); void bch_decoded_ok(uint32_t tti, srslte::unique_byte_buffer_t payload); int sf_indication(const uint32_t tti); void tb_decoded(const uint32_t cc_idx, mac_nr_grant_dl_t& grant); void new_grant_ul(const uint32_t cc_idx, const mac_nr_grant_ul_t& grant); void timer_expired(uint32_t timer_id); void get_metrics(mac_metrics_t* metrics); /// stack interface void process_pdus(); private: void setup_lcid(uint32_t lcid, uint32_t lcg, uint32_t priority, int PBR_x_tti, uint32_t BSD); void setup_lcid(const logical_channel_config_t& config); void handle_pdu(srslte::unique_byte_buffer_t pdu); void get_ul_data(const mac_nr_grant_ul_t& grant, phy_interface_stack_nr::tx_request_t* tx_request); /// Interaction with rest of the stack phy_interface_mac_nr* phy = nullptr; rlc_interface_mac* rlc = nullptr; srslte::task_handler_interface* stack = nullptr; std::unique_ptr pcap = nullptr; srslte::log_ref log_h; srslte::byte_buffer_pool* pool = nullptr; srslte::timer_handler* timers = nullptr; mac_nr_args_t args = {}; bool started = false; uint16_t crnti = 0xdead; static constexpr uint32_t MIN_RLC_PDU_LEN = 5; ///< minimum bytes that need to be available in a MAC PDU for attempting to add another RLC SDU srslte::block_queue pdu_queue; ///< currently only DCH PDUs supported (add BCH, PCH, etc) mac_metrics_t metrics[SRSLTE_MAX_CARRIERS] = {}; /// Tx buffer srslte::mac_nr_sch_pdu tx_pdu; srslte::unique_byte_buffer_t tx_buffer = nullptr; srslte::unique_byte_buffer_t rlc_buffer = nullptr; srslte::task_multiqueue::queue_handler stack_task_dispatch_queue; }; } // namespace srsue #endif // SRSUE_MAC_NR_H