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101 lines
2.8 KiB
C++
101 lines
2.8 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 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_INTERFACES_H
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#define SRSUE_MAC_NR_INTERFACES_H
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#include "srsran/common/interfaces_common.h"
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#include "srsran/mac/mac_sch_pdu_nr.h"
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namespace srsue {
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/**
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* @brief Interface from MAC NR parent class to subclass random access procedure
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*/
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class mac_interface_proc_ra_nr
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{
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public:
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// Functions for identity handling, e.g., contention id and c-rnti
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virtual uint64_t get_contention_id() = 0;
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virtual uint16_t get_crnti() = 0;
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virtual bool set_crnti(uint16_t c_rnti) = 0;
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// Functions for msg3 manipulation which shall be transparent to the procedure
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virtual bool msg3_is_transmitted() = 0;
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virtual void msg3_flush() = 0;
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virtual void msg3_prepare() = 0;
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virtual bool msg3_is_empty() = 0;
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// RRC functions
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virtual void rrc_ra_problem() = 0;
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};
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/**
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* @brief Interface from MAC NR parent class to SR subclass
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*/
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class mac_interface_sr_nr
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{
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public:
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// SR can query MAC (as proxy for RA) to start RA procedure
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virtual void start_ra() = 0;
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};
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/**
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* @brief Interface from MAC NR parent class to mux subclass
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*/
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class mac_interface_mux_nr
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{
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public:
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// MUX can query MAC for current C-RNTI for Msg3 transmission
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virtual uint16_t get_crnti() = 0;
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// MUX queries MAC to return LCG state for SBSR
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virtual srsran::mac_sch_subpdu_nr::lcg_bsr_t generate_sbsr() = 0;
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};
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/**
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* @brief Interface from MAC NR parent class to HARQ subclass
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*/
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class mac_interface_harq_nr
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{
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public:
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// HARQ can query MAC for current C-RNTI
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virtual uint16_t get_crnti() = 0;
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// MAC also provides Temp C-RNTI (through RA proc)
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virtual uint16_t get_temp_crnti() = 0;
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// MAC provides the Currently Scheduled RNTI (for SPS)
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virtual uint16_t get_csrnti() = 0;
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};
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/**
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* @brief Interface from HARQ class to demux class
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*/
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class demux_interface_harq_nr
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{
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public:
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/// Inform demux unit about a newly decoded TB.
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virtual void push_pdu(srsran::unique_byte_buffer_t pdu, uint32_t tti) = 0;
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};
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} // namespace srsue
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#endif // SRSUE_MAC_NR_INTERFACES_H
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