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107 lines
3.5 KiB
C++
107 lines
3.5 KiB
C++
/*
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* Copyright 2013-2019 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 SRSLTE_PDCP_H
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#define SRSLTE_PDCP_H
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#include "srslte/common/log.h"
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#include "srslte/common/common.h"
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#include "srslte/interfaces/ue_interfaces.h"
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#include "srslte/upper/pdcp_entity.h"
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namespace srslte {
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class pdcp
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:public srsue::pdcp_interface_gw
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,public srsue::pdcp_interface_rlc
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,public srsue::pdcp_interface_rrc
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{
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public:
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pdcp();
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virtual ~pdcp();
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void init(srsue::rlc_interface_pdcp *rlc_,
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srsue::rrc_interface_pdcp *rrc_,
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srsue::gw_interface_pdcp *gw_,
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log *pdcp_log_,
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uint32_t lcid_,
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uint8_t direction_);
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void stop();
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// GW interface
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bool is_lcid_enabled(uint32_t lcid);
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// RRC interface
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void reestablish();
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void reset();
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void write_sdu(uint32_t lcid, unique_byte_buffer sdu, bool blocking = true);
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void write_sdu_mch(uint32_t lcid, unique_byte_buffer sdu);
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void add_bearer(uint32_t lcid, srslte_pdcp_config_t cnfg = srslte_pdcp_config_t());
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void add_bearer_mrb(uint32_t lcid, srslte_pdcp_config_t cnfg = srslte_pdcp_config_t());
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void del_bearer(uint32_t lcid);
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void change_lcid(uint32_t old_lcid, uint32_t new_lcid);
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void config_security(uint32_t lcid,
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uint8_t *k_rrc_enc,
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uint8_t *k_rrc_int,
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uint8_t *k_up_enc,
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CIPHERING_ALGORITHM_ID_ENUM cipher_algo,
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INTEGRITY_ALGORITHM_ID_ENUM integ_algo);
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void config_security_all(uint8_t *k_rrc_enc,
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uint8_t *k_rrc_int,
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uint8_t *k_up_enc,
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CIPHERING_ALGORITHM_ID_ENUM cipher_algo,
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INTEGRITY_ALGORITHM_ID_ENUM integ_algo);
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void enable_integrity(uint32_t lcid);
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void enable_encryption(uint32_t lcid);
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uint32_t get_dl_count(uint32_t lcid);
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uint32_t get_ul_count(uint32_t lcid);
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// RLC interface
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void write_pdu(uint32_t lcid, unique_byte_buffer sdu);
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void write_pdu_mch(uint32_t lcid, unique_byte_buffer sdu);
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void write_pdu_bcch_bch(unique_byte_buffer sdu);
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void write_pdu_bcch_dlsch(unique_byte_buffer sdu);
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void write_pdu_pcch(unique_byte_buffer sdu);
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private:
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srsue::rlc_interface_pdcp *rlc;
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srsue::rrc_interface_pdcp *rrc;
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srsue::gw_interface_pdcp *gw;
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typedef std::map<uint16_t, pdcp_entity_interface*> pdcp_map_t;
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typedef std::pair<uint16_t, pdcp_entity_interface*> pdcp_map_pair_t;
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log *pdcp_log;
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pdcp_map_t pdcp_array, pdcp_array_mrb;
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pthread_rwlock_t rwlock;
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// default PDCP entity that is maintained active by PDCP instance
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srslte_pdcp_config_t default_cnfg;
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uint32_t default_lcid;
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bool valid_lcid(uint32_t lcid);
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bool valid_mch_lcid(uint32_t lcid);
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};
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} // namespace srslte
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#endif // SRSLTE_PDCP_H
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