121 lines
3.8 KiB
C++
121 lines
3.8 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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#include <map>
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#include "srslte/interfaces/ue_interfaces.h"
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#include "srslte/interfaces/enb_interfaces.h"
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#include "srslte/upper/pdcp.h"
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#ifndef SRSENB_PDCP_H
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#define SRSENB_PDCP_H
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namespace srsenb {
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class pdcp : public pdcp_interface_rlc,
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public pdcp_interface_gtpu,
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public pdcp_interface_rrc
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{
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public:
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virtual ~pdcp() {};
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void init(rlc_interface_pdcp *rlc_, rrc_interface_pdcp *rrc_, gtpu_interface_pdcp *gtpu_, srslte::log *pdcp_log_);
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void stop();
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// pdcp_interface_rlc
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void write_pdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer sdu);
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void write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer sdu) {}
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// pdcp_interface_rrc
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void reset(uint16_t rnti);
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void add_user(uint16_t rnti);
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void rem_user(uint16_t rnti);
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void write_sdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer sdu);
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void add_bearer(uint16_t rnti, uint32_t lcid, srslte::srslte_pdcp_config_t cnfg);
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void config_security(uint16_t rnti,
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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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srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo_,
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srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo_);
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void enable_integrity(uint16_t rnti, uint32_t lcid);
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void enable_encryption(uint16_t rnti, uint32_t lcid);
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private:
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class user_interface_rlc : public srsue::rlc_interface_pdcp
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{
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public:
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uint16_t rnti;
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srsenb::rlc_interface_pdcp *rlc;
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// rlc_interface_pdcp
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void write_sdu(uint32_t lcid, srslte::unique_byte_buffer sdu, bool blocking);
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bool rb_is_um(uint32_t lcid);
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};
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class user_interface_gtpu : public srsue::gw_interface_pdcp
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{
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public:
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uint16_t rnti;
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srsenb::gtpu_interface_pdcp *gtpu;
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// gw_interface_pdcp
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void write_pdu(uint32_t lcid, srslte::unique_byte_buffer pdu);
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void write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer sdu) {}
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};
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class user_interface_rrc : public srsue::rrc_interface_pdcp
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{
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public:
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uint16_t rnti;
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srsenb::rrc_interface_pdcp *rrc;
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// rrc_interface_pdcp
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void write_pdu(uint32_t lcid, srslte::unique_byte_buffer pdu);
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void write_pdu_bcch_bch(srslte::unique_byte_buffer pdu);
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void write_pdu_bcch_dlsch(srslte::unique_byte_buffer pdu);
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void write_pdu_pcch(srslte::unique_byte_buffer pdu);
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void write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer pdu) {}
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std::string get_rb_name(uint32_t lcid);
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};
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class user_interface
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{
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public:
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user_interface_rlc rlc_itf;
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user_interface_gtpu gtpu_itf;
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user_interface_rrc rrc_itf;
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srslte::pdcp *pdcp;
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};
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void clear_user(user_interface *ue);
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std::map<uint32_t,user_interface> users;
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pthread_rwlock_t rwlock;
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rlc_interface_pdcp *rlc;
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rrc_interface_pdcp *rrc;
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gtpu_interface_pdcp *gtpu;
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srslte::log *log_h;
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srslte::byte_buffer_pool *pool;
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};
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}
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#endif // SRSENB_PDCP_H
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