mirror of https://github.com/pvnis/srsRAN_4G.git
move rrc::ue to separate file
Francisco Paisana
5 years ago
committed by
Francisco Paisana
parent
9d5c2d70df
commit
61680d64d7
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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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#ifndef SRSLTE_RRC_UE_H
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#define SRSLTE_RRC_UE_H
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#include "rrc.h"
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namespace srsenb {
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class rrc::ue
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{
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public:
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class rrc_mobility;
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ue(rrc* outer_rrc, uint16_t rnti, const sched_interface::ue_cfg_t& ue_cfg);
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~ue();
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bool is_connected();
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bool is_idle();
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typedef enum {
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MSG3_RX_TIMEOUT = 0, ///< Msg3 has its own timeout to quickly remove fake UEs from random PRACHs
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UE_RESPONSE_RX_TIMEOUT, ///< General purpose timeout for responses to eNB requests
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UE_INACTIVITY_TIMEOUT, ///< UE inactivity timeout
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nulltype
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} activity_timeout_type_t;
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std::string to_string(const activity_timeout_type_t& type);
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void set_activity_timeout(const activity_timeout_type_t type);
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void set_activity();
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void activity_timer_expired();
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uint32_t rl_failure();
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rrc_state_t get_state();
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void send_connection_setup(bool is_setup = true);
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void send_connection_reest();
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void send_connection_reject();
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void send_connection_release();
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void send_connection_reest_rej();
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void send_connection_reconf(srslte::unique_byte_buffer_t sdu);
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void send_connection_reconf_new_bearer();
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void send_connection_reconf_upd(srslte::unique_byte_buffer_t pdu);
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void send_security_mode_command();
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void send_ue_cap_enquiry();
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void parse_ul_dcch(uint32_t lcid, srslte::unique_byte_buffer_t pdu);
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void handle_rrc_con_req(asn1::rrc::rrc_conn_request_s* msg);
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void handle_rrc_con_reest_req(asn1::rrc::rrc_conn_reest_request_r8_ies_s* msg);
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void handle_rrc_con_setup_complete(asn1::rrc::rrc_conn_setup_complete_s* msg, srslte::unique_byte_buffer_t pdu);
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void handle_rrc_reconf_complete(asn1::rrc::rrc_conn_recfg_complete_s* msg, srslte::unique_byte_buffer_t pdu);
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void handle_security_mode_complete(asn1::rrc::security_mode_complete_s* msg);
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void handle_security_mode_failure(asn1::rrc::security_mode_fail_s* msg);
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bool handle_ue_cap_info(asn1::rrc::ue_cap_info_s* msg);
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void handle_ue_init_ctxt_setup_req(const asn1::s1ap::init_context_setup_request_s& msg);
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bool handle_ue_ctxt_mod_req(const asn1::s1ap::ue_context_mod_request_s& msg);
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void set_bitrates(const asn1::s1ap::ue_aggregate_maximum_bitrate_s& rates);
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bool setup_erabs(const asn1::s1ap::erab_to_be_setup_list_ctxt_su_req_l& e);
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bool setup_erabs(const asn1::s1ap::erab_to_be_setup_list_bearer_su_req_l& e);
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bool release_erabs();
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// handover
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void handle_ho_preparation_complete(bool is_success, srslte::unique_byte_buffer_t container);
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void notify_s1ap_ue_ctxt_setup_complete();
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void notify_s1ap_ue_erab_setup_response(const asn1::s1ap::erab_to_be_setup_list_bearer_su_req_l& e);
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// Getters for PUCCH resources
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int get_cqi(uint16_t* pmi_idx, uint16_t* n_pucch, uint32_t ue_cc_idx);
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int get_ri(uint32_t m_ri, uint16_t* ri_idx);
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bool is_allocated() const;
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void send_dl_ccch(asn1::rrc::dl_ccch_msg_s* dl_ccch_msg);
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bool send_dl_dcch(const asn1::rrc::dl_dcch_msg_s* dl_dcch_msg,
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srslte::unique_byte_buffer_t pdu = srslte::unique_byte_buffer_t());
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uint16_t rnti = 0;
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rrc* parent = nullptr;
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bool connect_notified = false;
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std::unique_ptr<rrc_mobility> mobility_handler;
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bool is_csfb = false;
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private:
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// args
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srslte::byte_buffer_pool* pool = nullptr;
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srslte::timer_handler::unique_timer activity_timer;
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// cached for ease of context transfer
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asn1::rrc::rrc_conn_recfg_s last_rrc_conn_recfg;
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asn1::rrc::establishment_cause_e establishment_cause;
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// S-TMSI for this UE
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bool has_tmsi = false;
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uint32_t m_tmsi = 0;
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uint8_t mmec = 0;
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// state
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sched_interface::ue_cfg_t current_sched_ue_cfg = {};
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uint32_t rlf_cnt = 0;
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uint8_t transaction_id = 0;
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rrc_state_t state = RRC_STATE_IDLE;
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asn1::s1ap::ue_aggregate_maximum_bitrate_s bitrates;
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bool eutra_capabilities_unpacked = false;
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asn1::rrc::ue_eutra_cap_s eutra_capabilities;
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srslte::rrc_ue_capabilities_t ue_capabilities;
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const static uint32_t UE_PCELL_CC_IDX = 0;
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cell_ctxt_dedicated_list cell_ded_list;
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bearer_cfg_handler bearer_list;
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security_cfg_handler ue_security_cfg;
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///< Helper to access a cell cfg based on ue_cc_idx
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cell_info_common* get_ue_cc_cfg(uint32_t ue_cc_idx);
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///< Helper to fill SCell struct for RRR Connection Reconfig
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int fill_scell_to_addmod_list(asn1::rrc::rrc_conn_recfg_r8_ies_s* conn_reconf);
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///< UE's Physical layer dedicated configuration
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phy_interface_rrc_lte::phy_rrc_dedicated_list_t phy_rrc_dedicated_list = {};
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/**
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* Setups the PCell physical layer common configuration of the UE from the SIB2 message. This methods is designed to
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* be called from the constructor.
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*
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* @param config ASN1 Common SIB struct carrying the common physical layer parameters
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*/
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void apply_setup_phy_common(const asn1::rrc::rr_cfg_common_sib_s& config);
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/**
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* Setups the PCell physical layer dedicated configuration of the UE. This method shall be called from the
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* connection setup only.
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*
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* @param phys_cfg_ded ASN1 Physical layer configuration dedicated
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*/
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void apply_setup_phy_config_dedicated(const asn1::rrc::phys_cfg_ded_s& phys_cfg_ded);
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/**
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* Reconfigures the PCell and SCell physical layer dedicated configuration of the UE. This method shall be called
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* from the connection reconfiguration. `apply_setup_phy_config` shall not be called before/after. It automatically
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* parses the PCell and SCell reconfiguration.
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*
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* @param reconfig_r8 ASN1 reconfiguration message
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*/
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void apply_reconf_phy_config(const asn1::rrc::rrc_conn_recfg_r8_ies_s& reconfig_r8);
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}; // class ue
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} // namespace srsenb
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#endif // SRSLTE_RRC_UE_H
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