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118 lines
3.8 KiB
C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2020 Software Radio Systems Limited
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the distribution.
*
*/
#include "srslte/common/log.h"
#include "srslte/common/log_filter.h"
#include "srslte/common/logger.h"
#include "srslte/interfaces/gnb_interfaces.h"
#include "srslte/upper/pdcp.h"
#include <map>
#ifndef SRSENB_PDCP_NR_H
#define SRSENB_PDCP_NR_H
namespace srsenb {
struct pdcp_nr_args_t {
std::string log_level;
uint32_t log_hex_limit;
};
class pdcp_nr : public pdcp_interface_rlc_nr, public pdcp_interface_sdap_nr, public pdcp_interface_rrc_nr
{
public:
explicit pdcp_nr(srslte::task_sched_handle task_sched_, const char* logname);
virtual ~pdcp_nr() = default;
void init(const pdcp_nr_args_t& args_,
rlc_interface_pdcp_nr* rlc_,
rrc_interface_pdcp_nr* rrc_,
sdap_interface_pdcp_nr* gtpu_);
void stop();
// pdcp_interface_rlc_nr
void write_pdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t sdu);
void notify_delivery(uint16_t rnti, uint32_t lcid, const std::vector<uint32_t>& tx_count);
void notify_failure(uint16_t rnti, uint32_t lcid, const std::vector<uint32_t>& tx_count);
void write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer_t sdu) {}
// pdcp_interface_rrc_nr
void reset(uint16_t rnti) final;
void add_user(uint16_t rnti) final;
void rem_user(uint16_t rnti) final;
void write_sdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t sdu) final;
void add_bearer(uint16_t rnti, uint32_t lcid, srslte::pdcp_config_t cnfg) final;
void config_security(uint16_t rnti, uint32_t lcid, srslte::as_security_config_t sec_cfg) final;
void enable_integrity(uint16_t rnti, uint32_t lcid) final;
void enable_encryption(uint16_t rnti, uint32_t lcid) final;
private:
class user_interface_rlc final : public srsue::rlc_interface_pdcp
{
public:
uint16_t rnti;
srsenb::rlc_interface_pdcp_nr* rlc;
// rlc_interface_pdcp_nr
void write_sdu(uint32_t lcid, srslte::unique_byte_buffer_t sdu) final;
void discard_sdu(uint32_t lcid, uint32_t discard_sn) final;
bool rb_is_um(uint32_t lcid) final;
bool sdu_queue_is_full(uint32_t lcid) final;
};
class user_interface_sdap : public srsue::gw_interface_pdcp
{
public:
uint16_t rnti;
srsenb::sdap_interface_pdcp_nr* sdap;
// gw_interface_pdcp
void write_pdu(uint32_t lcid, srslte::unique_byte_buffer_t pdu) final;
void write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer_t sdu) final {}
};
class user_interface_rrc : public srsue::rrc_interface_pdcp
{
public:
uint16_t rnti;
srsenb::rrc_interface_pdcp_nr* rrc;
// rrc_interface_pdcp_nr
void write_pdu(uint32_t lcid, srslte::unique_byte_buffer_t pdu) final;
void write_pdu_bcch_bch(srslte::unique_byte_buffer_t pdu) final;
void write_pdu_bcch_dlsch(srslte::unique_byte_buffer_t pdu) final;
void write_pdu_pcch(srslte::unique_byte_buffer_t pdu) final;
void write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer_t pdu) final {}
std::string get_rb_name(uint32_t lcid) final;
};
class user_interface
{
public:
user_interface_rlc rlc_itf;
user_interface_sdap sdap_itf;
user_interface_rrc rrc_itf;
std::unique_ptr<srslte::pdcp> pdcp;
};
// args
pdcp_nr_args_t m_args = {};
srslte::log_ref m_log;
rlc_interface_pdcp_nr* m_rlc = nullptr;
rrc_interface_pdcp_nr* m_rrc = nullptr;
sdap_interface_pdcp_nr* m_sdap = nullptr;
std::map<uint32_t, user_interface> users;
srslte::task_sched_handle task_sched;
};
} // namespace srsenb
#endif // SRSENB_PDCP_NR_H