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81 lines
4.1 KiB
C++
81 lines
4.1 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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/*----------------------------------------------------------------------------------------------------------------------
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* \file
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* These .h/.cc files contain the functions responsible for setting the ASN1 fields
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* related to radio resource configuration from the eNB side (see TS 36.331 - 5.3.10)
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*
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* The following function naming convention is followed:
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* - suffix "_enb_cfg" - any function related to setting asn1 fields based on the configuration passed to the eNB
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* through parsed configuration files
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* - suffix "_setup" - the asn1 fields are set using the respective "_enb_cfg" function as default, plus any other
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* parameter known at runtime (e.g. SR/CQI resources). Functions with this suffix are called
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* during the rrcConnectionSetup and rrcConnectionReestablishment proceduress
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* - suffix "_reconf" - sets the asn1 fields that are known during the rrcConnectionReconfiguration. That includes
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* "_enb_cfg" + "_setup" fields + DRBs + SCells, etc. It compares the current UE RRC configuration
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* (accumulation of the RRC messages sent so far), with the next one that will result from
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* the RRC setup/reestablishment/reconfiguration procedure. Based on this comparison, it will
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* fill the output ASN1 struct with fields that are strictly necessary
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* - suffix "_diff" - update the struct relative to the current UE RRC config with the fields present in
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* the Reconf/Setup/Reestablishment message that is about to be sent to the UE
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*
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*--------------------------------------------------------------------------------------------------------------------*/
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#ifndef SRSENB_UE_RR_CFG_H
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#define SRSENB_UE_RR_CFG_H
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#include "srsran/asn1/rrc.h"
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#include "srsran/interfaces/rrc_interface_types.h"
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namespace srsenb {
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struct rrc_cfg_t;
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class ue_cell_ded_list;
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class bearer_cfg_handler;
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struct ue_var_cfg_t;
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/// Fill RadioResourceConfigDedicated with data known at the RRCSetup/Reestablishment stage
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void fill_rr_cfg_ded_setup(asn1::rrc::rr_cfg_ded_s& rr_cfg,
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const rrc_cfg_t& enb_cfg,
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const ue_cell_ded_list& ue_cell_list);
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/// Apply Reconf updates and update current state
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void apply_reconf_updates(asn1::rrc::rrc_conn_recfg_r8_ies_s& recfg_r8,
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ue_var_cfg_t& current_ue_cfg,
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const rrc_cfg_t& enb_cfg,
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const ue_cell_ded_list& ue_cell_list,
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bearer_cfg_handler& bearers,
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const srsran::rrc_ue_capabilities_t& ue_caps,
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bool phy_cfg_updated);
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/// Apply radioResourceConfigDedicated updates to the current UE RRC configuration
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void apply_rr_cfg_ded_diff(asn1::rrc::rr_cfg_ded_s& current_rr_cfg_ded,
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const asn1::rrc::rr_cfg_ded_s& pending_rr_cfg_ded);
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/// Apply Scell updates to the current UE RRC configuration
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void apply_scells_to_add_diff(asn1::rrc::scell_to_add_mod_list_r10_l& current_scells,
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const asn1::rrc::rrc_conn_recfg_r8_ies_s& recfg_r8);
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} // namespace srsenb
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#endif // SRSENB_UE_RR_CFG_H
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