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102 lines
2.6 KiB
C
102 lines
2.6 KiB
C
3 years ago
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/**
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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_PHY_NR_UE_DB_H_
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#define SRSENB_PHY_NR_UE_DB_H_
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#include <map>
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#include <mutex>
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#include <srsenb/hdr/phy/phy_interfaces.h>
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#include <srsran/adt/circular_array.h>
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#include <srsran/interfaces/gnb_interfaces.h>
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#include <srsran/interfaces/rrc_nr_interface_types.h>
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namespace srsenb {
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namespace nr {
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class phy_nr_state
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{
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private:
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/**
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* UE object stored in the PHY common database
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*/
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struct common_ue {
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srsran::phy_cfg_nr_t cfg;
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};
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/**
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* UE database indexed by RNTI
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*/
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std::map<uint16_t, common_ue> ue_db;
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/**
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* Concurrency protection mutex, allowed modifications from const methods.
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*/
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mutable std::mutex mutex;
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/**
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* Stack interface
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*/
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stack_interface_phy_nr& stack;
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/**
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* Cell list
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*/
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const phy_cell_cfg_list_nr_t& cell_cfg_list;
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/**
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* Internal RNTI addition, it is not thread safe protected
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*
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* @param rnti identifier of the UE
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* @return SRSRAN_SUCCESS if the RNTI is not duplicated and is added successfully, SRSRAN_ERROR code if it exists
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*/
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inline int _add_rnti(uint16_t rnti);
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/**
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* Checks if a given RNTI exists in the database
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* @param rnti provides UE identifier
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* @return SRSRAN_SUCCESS if the indicated RNTI exists, otherwise it returns SRSRAN_ERROR
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*/
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inline int _assert_rnti(uint16_t rnti) const;
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/**
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* Internal eNb general configuration getter, returns default configuration if the UE does not exist in the given cell
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*
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* @param rnti provides UE identifier
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* @param[out] phy_cfg The PHY configuration of the indicated UE for the indicated eNb carrier/call index.
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* @return SRSRAN_SUCCESS if provided context is correct, SRSRAN_ERROR code otherwise
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*/
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inline int _get_rnti_config(uint16_t rnti, srsran::phy_cfg_nr_t& phy_cfg) const;
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public:
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phy_nr_state(const phy_cell_cfg_list_nr_t& cell_cfg_list_, stack_interface_phy_nr& stack_);
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void addmod_rnti(uint16_t rnti, const srsran::phy_cfg_nr_t& phy_cfg);
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/**
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* Removes a whole UE entry from the UE database
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*
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* @param rnti identifier of the UE
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* @return SRSRAN_SUCCESS if provided RNTI exists, SRSRAN_ERROR code otherwise
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*/
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int rem_rnti(uint16_t rnti);
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const phy_cell_cfg_list_nr_t& get_carrier_list() const { return cell_cfg_list; }
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stack_interface_phy_nr& get_stack() { return stack; }
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};
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} // namespace nr
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} // namespace srsenb
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#endif // SRSENB_PHY_NR_UE_DB_H_
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