2020-11-26 01:25:22 -08:00
|
|
|
/**
|
2017-05-18 03:52:29 -07:00
|
|
|
*
|
2020-11-26 01:25:22 -08:00
|
|
|
* \section COPYRIGHT
|
2017-05-18 03:52:29 -07:00
|
|
|
*
|
2021-03-19 03:45:56 -07:00
|
|
|
* Copyright 2013-2021 Software Radio Systems Limited
|
2017-05-18 03:52:29 -07:00
|
|
|
*
|
2020-11-26 01:25:22 -08:00
|
|
|
* 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.
|
2017-05-18 03:52:29 -07:00
|
|
|
*
|
|
|
|
*/
|
|
|
|
|
2021-03-19 03:45:56 -07:00
|
|
|
#ifndef SRSRAN_PDCP_H
|
|
|
|
#define SRSRAN_PDCP_H
|
2017-05-18 03:52:29 -07:00
|
|
|
|
2021-03-19 03:45:56 -07:00
|
|
|
#include "srsran/common/common.h"
|
|
|
|
#include "srsran/common/task_scheduler.h"
|
|
|
|
#include "srsran/interfaces/ue_pdcp_interfaces.h"
|
|
|
|
#include "srsran/upper/pdcp_entity_lte.h"
|
2021-02-25 12:47:28 -08:00
|
|
|
#include <set>
|
2017-05-18 03:52:29 -07:00
|
|
|
|
2021-03-19 03:45:56 -07:00
|
|
|
namespace srsran {
|
2017-05-18 03:52:29 -07:00
|
|
|
|
2019-06-20 08:33:03 -07:00
|
|
|
class pdcp : public srsue::pdcp_interface_rlc, public srsue::pdcp_interface_rrc
|
2017-05-18 03:52:29 -07:00
|
|
|
{
|
|
|
|
public:
|
2021-03-19 03:45:56 -07:00
|
|
|
pdcp(srsran::task_sched_handle task_sched_, const char* logname);
|
2018-07-17 06:27:04 -07:00
|
|
|
virtual ~pdcp();
|
2019-06-27 01:50:47 -07:00
|
|
|
void init(srsue::rlc_interface_pdcp* rlc_, srsue::rrc_interface_pdcp* rrc_, srsue::gw_interface_pdcp* gw_);
|
2017-05-18 03:52:29 -07:00
|
|
|
void stop();
|
|
|
|
|
2021-06-14 04:23:56 -07:00
|
|
|
// Stack interface
|
2018-07-25 06:09:19 -07:00
|
|
|
bool is_lcid_enabled(uint32_t lcid);
|
2017-09-18 05:02:31 -07:00
|
|
|
|
2017-05-18 03:52:29 -07:00
|
|
|
// RRC interface
|
2020-06-17 04:26:50 -07:00
|
|
|
void reestablish() override;
|
|
|
|
void reestablish(uint32_t lcid) override;
|
|
|
|
void reset() override;
|
2021-09-22 03:03:29 -07:00
|
|
|
void set_enabled(uint32_t lcid, bool enabled) override;
|
2021-02-11 10:01:14 -08:00
|
|
|
void write_sdu(uint32_t lcid, unique_byte_buffer_t sdu, int sn = -1) override;
|
2019-07-01 10:49:19 -07:00
|
|
|
void write_sdu_mch(uint32_t lcid, unique_byte_buffer_t sdu);
|
2021-10-26 12:15:36 -07:00
|
|
|
int add_bearer(uint32_t lcid, const pdcp_config_t& cnfg) override;
|
|
|
|
void add_bearer_mrb(uint32_t lcid, const pdcp_config_t& cnfg);
|
2021-04-06 08:49:04 -07:00
|
|
|
void del_bearer(uint32_t lcid) override;
|
2020-06-17 04:26:50 -07:00
|
|
|
void change_lcid(uint32_t old_lcid, uint32_t new_lcid) override;
|
2021-04-28 14:25:38 -07:00
|
|
|
void config_security(uint32_t lcid, const as_security_config_t& sec_cfg) override;
|
|
|
|
void config_security_all(const as_security_config_t& sec_cfg) override;
|
2021-03-19 03:45:56 -07:00
|
|
|
void enable_integrity(uint32_t lcid, srsran_direction_t direction) override;
|
|
|
|
void enable_encryption(uint32_t lcid, srsran_direction_t direction) override;
|
|
|
|
void enable_security_timed(uint32_t lcid, srsran_direction_t direction, uint32_t sn);
|
|
|
|
bool get_bearer_state(uint32_t lcid, srsran::pdcp_lte_state_t* state);
|
|
|
|
bool set_bearer_state(uint32_t lcid, const srsran::pdcp_lte_state_t& state);
|
2021-02-18 10:33:19 -08:00
|
|
|
void send_status_report() override;
|
2021-02-12 10:05:48 -08:00
|
|
|
void send_status_report(uint32_t lcid) override;
|
2017-05-18 03:52:29 -07:00
|
|
|
|
|
|
|
// RLC interface
|
2020-06-17 04:26:50 -07:00
|
|
|
void write_pdu(uint32_t lcid, unique_byte_buffer_t sdu) override;
|
|
|
|
void write_pdu_mch(uint32_t lcid, unique_byte_buffer_t sdu) override;
|
|
|
|
void write_pdu_bcch_bch(unique_byte_buffer_t sdu) override;
|
|
|
|
void write_pdu_bcch_dlsch(unique_byte_buffer_t sdu) override;
|
|
|
|
void write_pdu_pcch(unique_byte_buffer_t sdu) override;
|
2021-03-09 05:41:46 -08:00
|
|
|
void notify_delivery(uint32_t lcid, const pdcp_sn_vector_t& pdcp_sns) override;
|
|
|
|
void notify_failure(uint32_t lcid, const pdcp_sn_vector_t& pdcp_sns) override;
|
2018-07-17 06:27:04 -07:00
|
|
|
|
2021-01-28 09:22:19 -08:00
|
|
|
// eNB-only methods
|
2021-03-19 03:45:56 -07:00
|
|
|
std::map<uint32_t, srsran::unique_byte_buffer_t> get_buffered_pdus(uint32_t lcid);
|
2021-01-28 09:22:19 -08:00
|
|
|
|
2021-02-15 05:20:44 -08:00
|
|
|
// Metrics
|
|
|
|
void get_metrics(pdcp_metrics_t& m, const uint32_t nof_tti);
|
|
|
|
void reset_metrics();
|
|
|
|
|
2017-05-18 03:52:29 -07:00
|
|
|
private:
|
2021-04-13 06:56:51 -07:00
|
|
|
srsue::rlc_interface_pdcp* rlc = nullptr;
|
|
|
|
srsue::rrc_interface_pdcp* rrc = nullptr;
|
|
|
|
srsue::gw_interface_pdcp* gw = nullptr;
|
2021-03-19 03:45:56 -07:00
|
|
|
srsran::task_sched_handle task_sched;
|
2021-02-10 02:47:56 -08:00
|
|
|
srslog::basic_logger& logger;
|
2020-04-09 10:37:22 -07:00
|
|
|
|
2021-02-15 05:20:44 -08:00
|
|
|
using pdcp_map_t = std::map<uint16_t, std::unique_ptr<pdcp_entity_base> >;
|
|
|
|
pdcp_map_t pdcp_array, pdcp_array_mrb;
|
2018-07-16 12:17:01 -07:00
|
|
|
|
2020-03-23 07:00:12 -07:00
|
|
|
// cache valid lcids to be checked from separate thread
|
2020-03-23 06:31:33 -07:00
|
|
|
std::mutex cache_mutex;
|
|
|
|
std::set<uint32_t> valid_lcids_cached;
|
|
|
|
|
2017-05-18 03:52:29 -07:00
|
|
|
bool valid_lcid(uint32_t lcid);
|
2018-05-15 07:57:23 -07:00
|
|
|
bool valid_mch_lcid(uint32_t lcid);
|
2021-02-15 05:20:44 -08:00
|
|
|
|
|
|
|
// Timer needed for metrics calculation
|
|
|
|
std::chrono::high_resolution_clock::time_point metrics_tp;
|
2017-05-18 03:52:29 -07:00
|
|
|
};
|
|
|
|
|
2021-03-19 03:45:56 -07:00
|
|
|
} // namespace srsran
|
2021-06-14 04:23:56 -07:00
|
|
|
|
2021-03-19 03:45:56 -07:00
|
|
|
#endif // SRSRAN_PDCP_H
|