mirror of https://github.com/PentHertz/srsLTE.git
add srsenb::pdcp_nr class
This commit is contained in:
Francisco Paisana
parent
6398cd841d
commit
9001117b2d
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/*
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* Copyright 2013-2020 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 "srslte/common/log.h"
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#include "srslte/common/log_filter.h"
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#include "srslte/common/logger.h"
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#include "srslte/interfaces/gnb_interfaces.h"
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#include "srslte/upper/pdcp.h"
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#include <map>
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#ifndef SRSENB_PDCP_NR_H
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#define SRSENB_PDCP_NR_H
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namespace srsenb {
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struct pdcp_nr_args_t {
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std::string log_level;
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uint32_t log_hex_limit;
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};
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class pdcp_nr : public pdcp_interface_rlc_nr, public pdcp_interface_sdap_nr, public pdcp_interface_rrc_nr
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{
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public:
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explicit pdcp_nr(srslte::task_handler_interface* task_executor_, const char* logname);
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virtual ~pdcp_nr() = default;
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void init(const pdcp_nr_args_t& args_,
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rlc_interface_pdcp_nr* rlc_,
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rrc_interface_pdcp_nr* rrc_,
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sdap_interface_pdcp_nr* gtpu_);
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void stop();
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// pdcp_interface_rlc_nr
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void write_pdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t sdu);
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void write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer_t sdu) {}
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// pdcp_interface_rrc_nr
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void reset(uint16_t rnti) final;
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void add_user(uint16_t rnti) final;
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void rem_user(uint16_t rnti) final;
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void write_sdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t sdu) final;
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void add_bearer(uint16_t rnti, uint32_t lcid, srslte::pdcp_config_t cnfg) final;
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void config_security(uint16_t rnti, uint32_t lcid, srslte::as_security_config_t sec_cfg) final;
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void enable_integrity(uint16_t rnti, uint32_t lcid) final;
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void enable_encryption(uint16_t rnti, uint32_t lcid) final;
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private:
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class user_interface_rlc final : 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_nr* rlc;
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// rlc_interface_pdcp_nr
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void write_sdu(uint32_t lcid, srslte::unique_byte_buffer_t sdu, bool blocking) final;
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void discard_sdu(uint32_t lcid, uint32_t discard_sn) final;
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bool rb_is_um(uint32_t lcid) final;
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};
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class user_interface_sdap : 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::sdap_interface_pdcp_nr* sdap;
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// gw_interface_pdcp
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void write_pdu(uint32_t lcid, srslte::unique_byte_buffer_t pdu) final;
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void write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer_t sdu) final {}
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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_nr* rrc;
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// rrc_interface_pdcp_nr
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void write_pdu(uint32_t lcid, srslte::unique_byte_buffer_t pdu) final;
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void write_pdu_bcch_bch(srslte::unique_byte_buffer_t pdu) final;
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void write_pdu_bcch_dlsch(srslte::unique_byte_buffer_t pdu) final;
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void write_pdu_pcch(srslte::unique_byte_buffer_t pdu) final;
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void write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer_t pdu) final {}
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std::string get_rb_name(uint32_t lcid) final;
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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_sdap sdap_itf;
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user_interface_rrc rrc_itf;
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std::unique_ptr<srslte::pdcp> pdcp;
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};
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// args
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pdcp_nr_args_t m_args = {};
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srslte::byte_buffer_pool* pool = nullptr;
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srslte::log_ref m_log;
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rlc_interface_pdcp_nr* m_rlc = nullptr;
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rrc_interface_pdcp_nr* m_rrc = nullptr;
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sdap_interface_pdcp_nr* m_sdap = nullptr;
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std::map<uint32_t, user_interface> users;
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srslte::task_handler_interface* task_executor;
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};
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} // namespace srsenb
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#endif // SRSENB_PDCP_NR_H
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@ -18,5 +18,11 @@
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# and at http://www.gnu.org/licenses/.
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#
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file(GLOB SOURCES "*.cc")
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add_library(srsenb_upper STATIC ${SOURCES})
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set(SOURCES gtpu.cc pdcp.cc rlc.cc s1ap.cc)
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add_library(srsenb_upper STATIC ${SOURCES})
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if (ENABLE_5GNR)
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set(SOURCES pdcp_nr.cc)
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add_library(srsgnb_upper STATIC ${SOURCES})
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endif (ENABLE_5GNR)
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@ -0,0 +1,165 @@
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/*
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* Copyright 2013-2020 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 "srsenb/hdr/stack/upper/pdcp_nr.h"
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#include "lib/include/srslte/interfaces/nr_common_interface_types.h"
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namespace srsenb {
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pdcp_nr::pdcp_nr(srslte::task_handler_interface* task_executor_, const char* logname) :
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task_executor(task_executor_),
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m_log(logname),
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pool(srslte::byte_buffer_pool::get_instance())
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{}
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void pdcp_nr::init(const pdcp_nr_args_t& args_,
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rlc_interface_pdcp_nr* rlc_,
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rrc_interface_pdcp_nr* rrc_,
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sdap_interface_pdcp_nr* sdap_)
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{
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m_args = args_;
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m_rlc = rlc_;
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m_rrc = rrc_;
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m_sdap = sdap_;
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}
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void pdcp_nr::stop()
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{
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for (auto& user : users) {
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user.second.pdcp->stop();
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}
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users.clear();
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}
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void pdcp_nr::add_user(uint16_t rnti)
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{
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if (users.count(rnti) == 0) {
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users[rnti].pdcp.reset(new srslte::pdcp(task_executor, "PDCP"));
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users[rnti].rlc_itf.rnti = rnti;
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users[rnti].sdap_itf.rnti = rnti;
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users[rnti].rrc_itf.rnti = rnti;
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users[rnti].rlc_itf.rlc = m_rlc;
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users[rnti].rrc_itf.rrc = m_rrc;
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users[rnti].sdap_itf.sdap = m_sdap;
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users[rnti].pdcp->init(&users[rnti].rlc_itf, &users[rnti].rrc_itf, &users[rnti].sdap_itf);
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}
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}
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void pdcp_nr::rem_user(uint16_t rnti)
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{
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users.erase(rnti);
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}
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void pdcp_nr::add_bearer(uint16_t rnti, uint32_t lcid, srslte::pdcp_config_t cfg)
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{
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if (users.count(rnti)) {
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users[rnti].pdcp->add_bearer(lcid, cfg);
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}
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}
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void pdcp_nr::reset(uint16_t rnti)
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{
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if (users.count(rnti)) {
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users[rnti].pdcp->reset();
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}
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}
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void pdcp_nr::config_security(uint16_t rnti, uint32_t lcid, srslte::as_security_config_t sec_cfg)
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{
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if (users.count(rnti)) {
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users[rnti].pdcp->config_security(lcid, sec_cfg);
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}
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}
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void pdcp_nr::enable_integrity(uint16_t rnti, uint32_t lcid)
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{
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users[rnti].pdcp->enable_integrity(lcid, srslte::DIRECTION_TXRX);
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}
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void pdcp_nr::enable_encryption(uint16_t rnti, uint32_t lcid)
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{
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users[rnti].pdcp->enable_encryption(lcid, srslte::DIRECTION_TXRX);
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}
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void pdcp_nr::write_pdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t sdu)
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{
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if (users.count(rnti)) {
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users[rnti].pdcp->write_pdu(lcid, std::move(sdu));
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} else {
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m_log->error("Can't write PDU. RNTI=0x%X doesn't exist.\n", rnti);
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}
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}
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void pdcp_nr::write_sdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t sdu)
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{
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if (users.count(rnti)) {
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users[rnti].pdcp->write_sdu(lcid, std::move(sdu), false);
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} else {
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m_log->error("Can't write SDU. RNTI=0x%X doesn't exist.\n", rnti);
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}
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}
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void pdcp_nr::user_interface_sdap::write_pdu(uint32_t lcid, srslte::unique_byte_buffer_t pdu)
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{
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sdap->write_pdu(rnti, lcid, std::move(pdu));
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}
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void pdcp_nr::user_interface_rlc::write_sdu(uint32_t lcid, srslte::unique_byte_buffer_t sdu, bool blocking)
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{
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rlc->write_sdu(rnti, lcid, std::move(sdu));
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}
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void pdcp_nr::user_interface_rlc::discard_sdu(uint32_t lcid, uint32_t discard_sn)
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{
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fprintf(stderr, "discard_sdu method not implemented.\n");
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}
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bool pdcp_nr::user_interface_rlc::rb_is_um(uint32_t lcid)
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{
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return rlc->rb_is_um(rnti, lcid);
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}
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void pdcp_nr::user_interface_rrc::write_pdu(uint32_t lcid, srslte::unique_byte_buffer_t pdu)
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{
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rrc->write_pdu(rnti, lcid, std::move(pdu));
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}
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void pdcp_nr::user_interface_rrc::write_pdu_bcch_bch(srslte::unique_byte_buffer_t pdu)
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{
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ERROR("Error: Received BCCH from ue=%d\n", rnti);
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}
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void pdcp_nr::user_interface_rrc::write_pdu_bcch_dlsch(srslte::unique_byte_buffer_t pdu)
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{
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ERROR("Error: Received BCCH from ue=%d\n", rnti);
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}
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void pdcp_nr::user_interface_rrc::write_pdu_pcch(srslte::unique_byte_buffer_t pdu)
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{
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ERROR("Error: Received PCCH from ue=%d\n", rnti);
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}
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std::string pdcp_nr::user_interface_rrc::get_rb_name(uint32_t lcid)
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{
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return srslte::to_string(static_cast<srslte::rb_id_nr_t>(lcid));
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}
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} // namespace srsenb
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