172 lines
6.8 KiB
C
172 lines
6.8 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/*! \file nr_rrc_proto.h
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* \brief RRC functions prototypes for gNB
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* \author Navid Nikaein and Raymond Knopp, WEI-TAI-CHEN
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* \date 2010 - 2014, 2018
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* \email navid.nikaein@eurecom.fr, kroempa@gmail.com
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* \version 1.0
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* \company Eurecom, NTUST
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*/
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/** \addtogroup _rrc
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* @{
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*/
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#ifndef __NR_RRC_PROTO_H__
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#define __NR_RRC_PROTO_H__
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#include "RRC/NR/nr_rrc_defs.h"
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#include "NR_RRCReconfiguration.h"
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#include "NR_UE-NR-Capability.h"
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#include "NR_UE-CapabilityRAT-ContainerList.h"
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#include "LTE_UE-CapabilityRAT-ContainerList.h"
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#include "NR_CG-Config.h"
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#include "NR_CG-ConfigInfo.h"
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#include "NR_SecurityConfig.h"
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#include "NR_CellGroupConfig.h"
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#define NR_MAX_SUPPORTED_DL_LAYERS 4
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void rrc_init_nr_srb_param(NR_LCHAN_DESC *chan);
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void rrc_gNB_process_SgNBAdditionRequest(
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const protocol_ctxt_t *const ctxt_pP,
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rrc_gNB_ue_context_t *ue_context_pP
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);
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void rrc_gNB_generate_SgNBAdditionRequestAcknowledge(
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const protocol_ctxt_t *const ctxt_pP,
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rrc_gNB_ue_context_t *const ue_context_pP
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);
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rrc_gNB_ue_context_t *rrc_gNB_allocate_new_UE_context(gNB_RRC_INST *rrc_instance_pP);
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void rrc_parse_ue_capabilities(gNB_RRC_INST *rrc,NR_UE_CapabilityRAT_ContainerList_t *UE_CapabilityRAT_ContainerList, x2ap_ENDC_sgnb_addition_req_t *m, NR_CG_ConfigInfo_IEs_t * cg_config_info);
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void rrc_add_nsa_user(gNB_RRC_INST *rrc, rrc_gNB_ue_context_t *ue_context_p, x2ap_ENDC_sgnb_addition_req_t *m);
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void rrc_remove_nsa_user(gNB_RRC_INST *rrc, int rnti);
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void fill_default_reconfig(NR_ServingCellConfigCommon_t *servingcellconfigcommon,
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NR_ServingCellConfig_t *servingcellconfigdedicated,
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NR_RRCReconfiguration_IEs_t *reconfig,
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NR_CellGroupConfig_t *secondaryCellGroup,
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NR_UE_NR_Capability_t *uecap,
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int uid);
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int generate_CG_Config(gNB_RRC_INST *rrc,
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NR_CG_Config_t *cg_Config,
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NR_RRCReconfiguration_t *reconfig,
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NR_RadioBearerConfig_t *rbconfig);
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int parse_CG_ConfigInfo(gNB_RRC_INST *rrc, NR_CG_ConfigInfo_t *CG_ConfigInfo, x2ap_ENDC_sgnb_addition_req_t *m);
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void
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rrc_gNB_generate_SecurityModeCommand(
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const protocol_ctxt_t *const ctxt_pP,
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rrc_gNB_ue_context_t *const ue_context_pP,
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int n_drbs,
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const f1ap_drb_to_be_setup_t *drbs
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);
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unsigned int rrc_gNB_get_next_transaction_identifier(module_id_t gnb_mod_idP);
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void
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rrc_gNB_generate_UECapabilityEnquiry(
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const protocol_ctxt_t *const ctxt_pP,
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rrc_gNB_ue_context_t *const ue_context_pP
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);
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void
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rrc_gNB_generate_RRCRelease(
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const protocol_ctxt_t *const ctxt_pP,
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rrc_gNB_ue_context_t *const ue_context_pP
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);
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/**\brief RRC eNB task.
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\param args_p Pointer on arguments to start the task. */
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void *rrc_gnb_task(void *args_p);
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/**\ Function to set or overwrite PTRS DL RRC parameters.
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\ *bwp Pointer to dedicated RC config structure
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\ *ptrsNrb Pointer to K_ptrs N_RB related parameters
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\ *ptrsMcs Pointer to L_ptrs MCS related parameters
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\ *epre_Ratio Pointer to ep_ratio
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\ *reOffset Pointer to RE Offset Value */
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void rrc_config_dl_ptrs_params(NR_BWP_Downlink_t *bwp, long *ptrsNrb, long *ptrsMcs, long *epre_Ratio, long *reOffset);
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int nr_rrc_reconfiguration_req(rrc_gNB_ue_context_t *const ue_context_pP,
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protocol_ctxt_t *const ctxt_pP,
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const int dl_bwp_id,
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const int ul_bwp_id);
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void
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rrc_gNB_generate_dedicatedRRCReconfiguration_release(
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const protocol_ctxt_t *const ctxt_pP,
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rrc_gNB_ue_context_t *const ue_context_pP,
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uint8_t xid,
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uint32_t nas_length,
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uint8_t *nas_buffer);
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void rrc_gNB_generate_dedicatedRRCReconfiguration(const protocol_ctxt_t *const ctxt_pP, rrc_gNB_ue_context_t *ue_context_pP);
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bool ue_associated_to_cuup(const gNB_RRC_INST *rrc, const gNB_RRC_UE_t *ue);
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sctp_assoc_t get_existing_cuup_for_ue(const gNB_RRC_INST *rrc, const gNB_RRC_UE_t *ue);
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sctp_assoc_t get_new_cuup_for_ue(const gNB_RRC_INST *rrc, const gNB_RRC_UE_t *ue, int sst, int sd);
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int rrc_gNB_process_e1_setup_req(sctp_assoc_t assoc_id, e1ap_setup_req_t *req);
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/* Process indication of E1 connection loss on CU-CP */
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void rrc_gNB_process_e1_lost_connection(gNB_RRC_INST *rrc, e1ap_lost_connection_t *lc, sctp_assoc_t assoc_id);
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void bearer_context_setup_direct(e1ap_bearer_setup_req_t *req,
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instance_t instance);
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void bearer_context_setup_e1ap(e1ap_bearer_setup_req_t *req,
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instance_t instance);
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void ue_cxt_mod_send_e1ap(MessageDef *msg,
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instance_t instance);
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void ue_cxt_mod_direct(MessageDef *msg,
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instance_t instance);
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void prepare_and_send_ue_context_modification_f1(rrc_gNB_ue_context_t *ue_context_p,
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e1ap_bearer_setup_resp_t *e1ap_resp);
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void nr_pdcp_add_srbs(eNB_flag_t enb_flag,
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ue_id_t UEid,
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NR_SRB_ToAddModList_t *const srb2add_list,
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const uint8_t security_modeP,
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uint8_t *const kRRCenc,
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uint8_t *const kUPint);
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void nr_pdcp_add_drbs(eNB_flag_t enb_flag,
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ue_id_t rntiMaybeUEid,
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NR_DRB_ToAddModList_t *const drb2add_list,
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const uint8_t security_modeP,
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uint8_t *const kUPenc,
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uint8_t *const kUPint);
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int rrc_gNB_generate_pcch_msg(sctp_assoc_t assoc_id, const NR_SIB1_t *sib, uint32_t tmsi, uint8_t paging_drx);
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void nr_rrc_transfer_protected_rrc_message(const gNB_RRC_INST *rrc, const gNB_RRC_UE_t *ue_p, uint8_t srb_id, const uint8_t* buffer, int size);
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/** @}*/
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#endif
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