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100 lines
3.6 KiB
C++
100 lines
3.6 KiB
C++
/**
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* Copyright 2013-2021 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_MAC_CONTROLLER_H
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#define SRSRAN_MAC_CONTROLLER_H
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#include "rrc_bearer_cfg.h"
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#include "rrc_cell_cfg.h"
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#include "srsran/interfaces/rrc_interface_types.h"
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#include "srsran/interfaces/sched_interface.h"
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#include <bitset>
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namespace srsenb {
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class mac_interface_rrc;
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class mac_controller
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{
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using ue_cfg_t = sched_interface::ue_cfg_t;
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public:
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mac_controller(uint16_t rnti_,
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const ue_cell_ded_list& ue_cell_list_,
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const bearer_cfg_handler& bearer_list_,
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const rrc_cfg_t& rrc_cfg_,
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mac_interface_rrc* mac_,
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const enb_cell_common_list& cell_common_list,
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const ue_cfg_t& sched_ue_cfg);
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// Handling of Msg4
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int handle_con_setup(const asn1::rrc::rrc_conn_setup_r8_ies_s& conn_setup);
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int handle_con_reest(const asn1::rrc::rrc_conn_reest_r8_ies_s& conn_reest);
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void handle_con_reject();
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int handle_crnti_ce(uint32_t temp_crnti);
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void handle_con_setup_complete();
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void handle_con_reest_complete();
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void handle_con_reconf(const asn1::rrc::rrc_conn_recfg_r8_ies_s& conn_recfg,
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const srsran::rrc_ue_capabilities_t& uecaps);
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void handle_con_reconf_complete();
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void handle_target_enb_ho_cmd(const asn1::rrc::rrc_conn_recfg_r8_ies_s& conn_recfg,
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const srsran::rrc_ue_capabilities_t& uecaps);
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void handle_intraenb_ho_cmd(const asn1::rrc::rrc_conn_recfg_r8_ies_s& conn_recfg,
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const srsran::rrc_ue_capabilities_t& uecaps);
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void handle_ho_prep(const asn1::rrc::ho_prep_info_r8_ies_s& ho_prep);
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void set_radio_bearer_state(sched_interface::ue_bearer_cfg_t::direction_t dir);
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const ue_cfg_t& get_ue_sched_cfg() const { return current_sched_ue_cfg; }
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bool is_crnti_set() const { return crnti_set; }
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void set_scell_activation(const std::bitset<SRSRAN_MAX_CARRIERS>& scell_mask);
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void set_drb_activation(bool active);
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enum proc_stage_t : int8_t { config_tx, config_complete, other };
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void update_mac(proc_stage_t stage);
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private:
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int apply_basic_conn_cfg(const asn1::rrc::rr_cfg_ded_s& rr_cfg);
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void apply_current_bearers_cfg();
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srslog::basic_logger& logger;
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uint16_t rnti;
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const ue_cell_ded_list& ue_cell_list;
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const bearer_cfg_handler& bearer_list;
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const rrc_cfg_t* rrc_cfg = nullptr;
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mac_interface_rrc* mac = nullptr;
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const enb_cell_common_list& cell_common_list;
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/// UE configuration currently present at the MAC, including any transient disabling of bearers/scells
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ue_cfg_t current_sched_ue_cfg = {};
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/// UE configuration once the RRC config procedure (e.g. Reconfiguration) is complete
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ue_cfg_t next_sched_ue_cfg = {};
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bool crnti_set = false;
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};
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} // namespace srsenb
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#endif // SRSRAN_MAC_CONTROLLER_H
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