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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#include "srslte/asn1/s1ap_utils.h"
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#include "srslte/interfaces/enb_rrc_interface_types.h"
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#include "srslte/interfaces/sched_interface.h"
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#ifndef SRSLTE_ENB_RRC_INTERFACES_H
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#define SRSLTE_ENB_RRC_INTERFACES_H
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namespace srsenb {
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// RRC interface for S1AP
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class rrc_interface_s1ap
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{
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public:
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virtual void write_dl_info(uint16_t rnti, srslte::unique_byte_buffer_t sdu) = 0;
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virtual void release_complete(uint16_t rnti) = 0;
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virtual bool setup_ue_ctxt(uint16_t rnti, const asn1::s1ap::init_context_setup_request_s& msg) = 0;
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virtual bool modify_ue_ctxt(uint16_t rnti, const asn1::s1ap::ue_context_mod_request_s& msg) = 0;
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virtual bool setup_ue_erabs(uint16_t rnti, const asn1::s1ap::erab_setup_request_s& msg) = 0;
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virtual void modify_erabs(uint16_t rnti,
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const asn1::s1ap::erab_modify_request_s& msg,
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std::vector<uint16_t>* erabs_modified,
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std::vector<uint16_t>* erabs_failed_to_modify) = 0;
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virtual bool release_erabs(uint32_t rnti) = 0;
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virtual void release_erabs(uint32_t rnti,
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const asn1::s1ap::erab_release_cmd_s& msg,
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std::vector<uint16_t>* erabs_released,
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std::vector<uint16_t>* erabs_failed_to_release) = 0;
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virtual void add_paging_id(uint32_t ueid, const asn1::s1ap::ue_paging_id_c& ue_paging_id) = 0;
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/**
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* Reports the reception of S1 HandoverCommand / HandoverPreparationFailure or abnormal conditions during
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* S1 Handover preparation back to RRC.
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*
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* @param rnti user
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* @param is_success true if ho cmd was received
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* @param container TargeteNB RRCConnectionReconfiguration message with MobilityControlInfo
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*/
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virtual void ho_preparation_complete(uint16_t rnti,
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bool is_success,
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const asn1::s1ap::ho_cmd_s& msg,
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srslte::unique_byte_buffer_t container) = 0;
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virtual uint16_t
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start_ho_ue_resource_alloc(const asn1::s1ap::ho_request_s& msg,
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const asn1::s1ap::sourceenb_to_targetenb_transparent_container_s& container) = 0;
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virtual void set_erab_status(uint16_t rnti, const asn1::s1ap::bearers_subject_to_status_transfer_list_l& erabs) = 0;
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};
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/// RRC interface for RLC
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class rrc_interface_rlc
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{
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public:
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virtual void read_pdu_pcch(uint8_t* payload, uint32_t payload_size) = 0;
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virtual void max_retx_attempted(uint16_t rnti) = 0;
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virtual void write_pdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t sdu) = 0;
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};
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/// RRC interface for MAC
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class rrc_interface_mac
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{
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public:
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/* Radio Link failure */
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virtual int add_user(uint16_t rnti, const sched_interface::ue_cfg_t& init_ue_cfg) = 0;
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virtual void upd_user(uint16_t new_rnti, uint16_t old_rnti) = 0;
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virtual void set_activity_user(uint16_t rnti) = 0;
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virtual bool is_paging_opportunity(uint32_t tti, uint32_t* payload_len) = 0;
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///< Provide packed SIB to MAC (buffer is managed by RRC)
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virtual uint8_t* read_pdu_bcch_dlsch(const uint8_t enb_cc_idx, const uint32_t sib_index) = 0;
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};
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/// RRC interface for PDCP
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class rrc_interface_pdcp
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{
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public:
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virtual void write_pdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t pdu) = 0;
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};
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} // namespace srsenb
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#endif // SRSLTE_ENB_RRC_INTERFACES_H
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