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/**
* Copyright 2013-2021 Software Radio Systems Limited
*
* This file is part of srsRAN.
*
* srsRAN is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsRAN is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#ifndef SRSRAN_UE_PDCP_INTERFACES_H
#define SRSRAN_UE_PDCP_INTERFACES_H
#include "pdcp_interface_types.h"
#include "srsran/common/byte_buffer.h"
namespace srsue {
class pdcp_interface_rrc
{
public:
virtual void reestablish() = 0;
virtual void reestablish(uint32_t lcid) = 0;
virtual void reset() = 0;
virtual void set_enabled(uint32_t lcid, bool enabled) = 0;
virtual void write_sdu(uint32_t lcid, srsran::unique_byte_buffer_t sdu, int sn = -1) = 0;
virtual int add_bearer(uint32_t lcid, const srsran::pdcp_config_t& cnfg) = 0;
virtual void del_bearer(uint32_t lcid) = 0;
virtual void change_lcid(uint32_t old_lcid, uint32_t new_lcid) = 0;
virtual void config_security(uint32_t lcid, const srsran::as_security_config_t& sec_cfg) = 0;
virtual void config_security_all(const srsran::as_security_config_t& sec_cfg) = 0;
virtual void enable_integrity(uint32_t lcid, srsran::srsran_direction_t direction) = 0;
virtual void enable_encryption(uint32_t lcid,
srsran::srsran_direction_t direction = srsran::srsran_direction_t::DIRECTION_TXRX) = 0;
virtual void send_status_report() = 0;
virtual void send_status_report(uint32_t lcid) = 0;
};
class pdcp_interface_rlc
{
public:
/* RLC calls PDCP to push a PDCP PDU. */
virtual void write_pdu(uint32_t lcid, srsran::unique_byte_buffer_t sdu) = 0;
virtual void write_pdu_bcch_bch(srsran::unique_byte_buffer_t sdu) = 0;
virtual void write_pdu_bcch_dlsch(srsran::unique_byte_buffer_t sdu) = 0;
virtual void write_pdu_pcch(srsran::unique_byte_buffer_t sdu) = 0;
virtual void write_pdu_mch(uint32_t lcid, srsran::unique_byte_buffer_t sdu) = 0;
virtual void notify_delivery(uint32_t lcid, const srsran::pdcp_sn_vector_t& pdcp_sn) = 0;
virtual void notify_failure(uint32_t lcid, const srsran::pdcp_sn_vector_t& pdcp_sn) = 0;
};
// Data-plane interface for Stack after EPS bearer to LCID conversion
class pdcp_interface_stack
{
public:
virtual void write_sdu(uint32_t lcid, srsran::unique_byte_buffer_t sdu, int sn = -1) = 0;
virtual bool is_lcid_enabled(uint32_t lcid) = 0;
};
// SDAP interface
class pdcp_interface_sdap_nr
{
public:
virtual void write_sdu(uint32_t lcid, srsran::unique_byte_buffer_t pdu) = 0;
};
// STACK interface for GW (based on EPS-bearer IDs)
class stack_interface_gw
{
public:
virtual bool is_registered() = 0;
virtual bool start_service_request() = 0;
virtual void write_sdu(uint32_t eps_bearer_id, srsran::unique_byte_buffer_t sdu) = 0;
///< Allow GW to query if a radio bearer for a given EPS bearer ID is currently active
virtual bool has_active_radio_bearer(uint32_t eps_bearer_id) = 0;
};
} // namespace srsue
#endif // SRSRAN_UE_PDCP_INTERFACES_H