/* * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The OpenAirInterface Software Alliance licenses this file to You under * the OAI Public License, Version 1.1 (the "License"); you may not use this file * except in compliance with the License. * You may obtain a copy of the License at * * http://www.openairinterface.org/?page_id=698 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------------------- * For more information about the OpenAirInterface (OAI) Software Alliance: * contact@openairinterface.org */ /*! \file rrc_UE.c * \brief rrc procedures for UE * \author Navid Nikaein and Raymond Knopp * \date 2011 - 2014 * \version 1.0 * \company Eurecom * \email: navid.nikaein@eurecom.fr and raymond.knopp@eurecom.fr */ #define RRC_UE #define RRC_UE_C #include "rrc_list.h" #include "rrc_defs.h" #include "rrc_proto.h" #include "rrc_vars.h" #include "LAYER2/NR_MAC_UE/proto.h" // from LTE-RRC DL-DCCH RRCConnectionReconfiguration nr-secondary-cell-group-config (encoded) int8_t nr_rrc_ue_decode_secondary_cellgroup_config( const uint8_t *buffer, const uint32_t size ){ NR_CellGroupConfig_t *cellGroupConfig = NULL; uper_decode(NULL, &asn_DEF_NR_CellGroupConfig, //might be added prefix later (void **)&cellGroupConfig, (uint8_t *)buffer, size, 0, 0); if(NR_UE_rrc_inst->cell_group_config == NULL){ NR_UE_rrc_inst->cell_group_config = cellGroupConfig; nr_rrc_ue_process_scg_config(cellGroupConfig); }else{ nr_rrc_ue_process_scg_config(cellGroupConfig); //asn_DEF_NR_CellGroupConfig.free_struct(asn_DEF_NR_CellGroupConfig, cellGroupConfig, 0); SEQUENCE_free(&asn_DEF_NR_CellGroupConfig, (void *)cellGroupConfig, 0); } //nr_rrc_mac_config_req_ue( module_id_t module_id, int CC_id, uint8_t gNB_index, NR_MIB_t *mibP, NR_MAC_CellGroupConfig_t *mac_cell_group_configP, NR_PhysicalCellGroupConfig_t *phy_cell_group_configP, NR_SpCellConfig_t *spcell_configP ); return 0; } // from LTE-RRC DL-DCCH RRCConnectionReconfiguration nr-secondary-cell-group-config (decoded) // RRCReconfiguration int8_t nr_rrc_ue_process_rrcReconfiguration(NR_RRCReconfiguration_t *rrcReconfiguration){ switch(rrcReconfiguration->criticalExtensions.present){ case NR_RRCReconfiguration__criticalExtensions_PR_rrcReconfiguration: if(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration.radioBearerConfig != NULL){ if(NR_UE_rrc_inst->radio_bearer_config == NULL){ NR_UE_rrc_inst->radio_bearer_config = rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration.radioBearerConfig; }else{ nr_rrc_ue_process_radio_bearer_config(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration.radioBearerConfig); } } if(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration.secondaryCellGroup != NULL){ NR_CellGroupConfig_t *cellGroupConfig = NULL; uper_decode(NULL, &asn_DEF_NR_CellGroupConfig, //might be added prefix later (void **)&cellGroupConfig, (uint8_t *)rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration.secondaryCellGroup->buf, rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration.secondaryCellGroup->size, 0, 0); if(NR_UE_rrc_inst->cell_group_config == NULL){ // first time receive the configuration, just use the memory allocated from uper_decoder. TODO this is not good implementation, need to maintain RRC_INST own structure every time. NR_UE_rrc_inst->cell_group_config = cellGroupConfig; nr_rrc_ue_process_scg_config(cellGroupConfig); }else{ // after first time, update it and free the memory after. nr_rrc_ue_process_scg_config(cellGroupConfig); //asn_DEF_NR_CellGroupConfig.free_struct(asn_DEF_NR_CellGroupConfig, cellGroupConfig, 0); SEQUENCE_free(&asn_DEF_NR_CellGroupConfig, (void *)cellGroupConfig, 0); } } if(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration.measConfig != NULL){ if(NR_UE_rrc_inst->meas_config == NULL){ NR_UE_rrc_inst->meas_config = rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration.measConfig; }else{ // if some element need to be updated nr_rrc_ue_process_meas_config(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration.measConfig); } } if(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration.lateNonCriticalExtension != NULL){ // unuse now } if(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration.nonCriticalExtension != NULL){ // unuse now } break; case NR_RRCReconfiguration__criticalExtensions_PR_NOTHING: case NR_RRCReconfiguration__criticalExtensions_PR_criticalExtensionsFuture: default: break; } //nr_rrc_mac_config_req_ue(); return 0; } int8_t nr_rrc_ue_process_meas_config(NR_MeasConfig_t *meas_config){ return 0; } int8_t nr_rrc_ue_process_scg_config(NR_CellGroupConfig_t *cell_group_config){ int i; if(NR_UE_rrc_inst->cell_group_config==NULL){ // initial list if(cell_group_config->spCellConfig != NULL){ if(cell_group_config->spCellConfig->spCellConfigDedicated != NULL){ if(cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList != NULL){ for(i=0; i<cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.count; ++i){ RRC_LIST_MOD_ADD(NR_UE_rrc_inst->BWP_Downlink_list, cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[i], bwp_Id); } } } } }else{ // maintain list if(cell_group_config->spCellConfig != NULL){ if(cell_group_config->spCellConfig->spCellConfigDedicated != NULL){ // process element of list to be add by RRC message if(cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList != NULL){ for(i=0; i<cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.count; ++i){ RRC_LIST_MOD_ADD(NR_UE_rrc_inst->BWP_Downlink_list, cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[i], bwp_Id); } } // process element of list to be release by RRC message if(cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToReleaseList != NULL){ for(i=0; i<cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToReleaseList->list.count; ++i){ NR_BWP_Downlink_t *freeP = NULL; RRC_LIST_MOD_REL(NR_UE_rrc_inst->BWP_Downlink_list, bwp_Id, *cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToReleaseList->list.array[i], freeP); if(freeP != NULL){ SEQUENCE_free(&asn_DEF_NR_BWP_Downlink, (void *)freeP, 0); } } } } } } return 0; } int8_t nr_rrc_ue_process_radio_bearer_config(NR_RadioBearerConfig_t *radio_bearer_config){ return 0; } int8_t openair_rrc_top_init_ue_nr(void){ if(NB_NR_UE_INST > 0){ NR_UE_rrc_inst = (NR_UE_RRC_INST_t *)malloc(NB_NR_UE_INST * sizeof(NR_UE_RRC_INST_t)); memset(NR_UE_rrc_inst, 0, NB_NR_UE_INST * sizeof(NR_UE_RRC_INST_t)); // fill UE-NR-Capability @ UE-CapabilityRAT-Container here. // init RRC lists RRC_LIST_INIT(NR_UE_rrc_inst->RLC_Bearer_Config_list, NR_maxLC_ID); RRC_LIST_INIT(NR_UE_rrc_inst->SchedulingRequest_list, NR_maxNrofSR_ConfigPerCellGroup); RRC_LIST_INIT(NR_UE_rrc_inst->TAG_list, NR_maxNrofTAGs); RRC_LIST_INIT(NR_UE_rrc_inst->TDD_UL_DL_SlotConfig_list, NR_maxNrofSlots); RRC_LIST_INIT(NR_UE_rrc_inst->BWP_Downlink_list, NR_maxNrofBWPs); RRC_LIST_INIT(NR_UE_rrc_inst->ControlResourceSet_list[0], 3); // for init-dl-bwp RRC_LIST_INIT(NR_UE_rrc_inst->ControlResourceSet_list[1], 3); // for dl-bwp id=0 RRC_LIST_INIT(NR_UE_rrc_inst->ControlResourceSet_list[2], 3); // for dl-bwp id=1 RRC_LIST_INIT(NR_UE_rrc_inst->ControlResourceSet_list[3], 3); // for dl-bwp id=2 RRC_LIST_INIT(NR_UE_rrc_inst->ControlResourceSet_list[4], 3); // for dl-bwp id=3 RRC_LIST_INIT(NR_UE_rrc_inst->SearchSpace_list[0], 10); RRC_LIST_INIT(NR_UE_rrc_inst->SearchSpace_list[1], 10); RRC_LIST_INIT(NR_UE_rrc_inst->SearchSpace_list[2], 10); RRC_LIST_INIT(NR_UE_rrc_inst->SearchSpace_list[3], 10); RRC_LIST_INIT(NR_UE_rrc_inst->SearchSpace_list[4], 10); RRC_LIST_INIT(NR_UE_rrc_inst->SlotFormatCombinationsPerCell_list[0], NR_maxNrofAggregatedCellsPerCellGroup); RRC_LIST_INIT(NR_UE_rrc_inst->SlotFormatCombinationsPerCell_list[1], NR_maxNrofAggregatedCellsPerCellGroup); RRC_LIST_INIT(NR_UE_rrc_inst->SlotFormatCombinationsPerCell_list[2], NR_maxNrofAggregatedCellsPerCellGroup); RRC_LIST_INIT(NR_UE_rrc_inst->SlotFormatCombinationsPerCell_list[3], NR_maxNrofAggregatedCellsPerCellGroup); RRC_LIST_INIT(NR_UE_rrc_inst->SlotFormatCombinationsPerCell_list[4], NR_maxNrofAggregatedCellsPerCellGroup); RRC_LIST_INIT(NR_UE_rrc_inst->TCI_State_list[0], NR_maxNrofTCI_States); RRC_LIST_INIT(NR_UE_rrc_inst->TCI_State_list[1], NR_maxNrofTCI_States); RRC_LIST_INIT(NR_UE_rrc_inst->TCI_State_list[2], NR_maxNrofTCI_States); RRC_LIST_INIT(NR_UE_rrc_inst->TCI_State_list[3], NR_maxNrofTCI_States); RRC_LIST_INIT(NR_UE_rrc_inst->TCI_State_list[4], NR_maxNrofTCI_States); RRC_LIST_INIT(NR_UE_rrc_inst->RateMatchPattern_list[0], NR_maxNrofRateMatchPatterns); RRC_LIST_INIT(NR_UE_rrc_inst->RateMatchPattern_list[1], NR_maxNrofRateMatchPatterns); RRC_LIST_INIT(NR_UE_rrc_inst->RateMatchPattern_list[2], NR_maxNrofRateMatchPatterns); RRC_LIST_INIT(NR_UE_rrc_inst->RateMatchPattern_list[3], NR_maxNrofRateMatchPatterns); RRC_LIST_INIT(NR_UE_rrc_inst->RateMatchPattern_list[4], NR_maxNrofRateMatchPatterns); RRC_LIST_INIT(NR_UE_rrc_inst->ZP_CSI_RS_Resource_list[0], NR_maxNrofZP_CSI_RS_Resources); RRC_LIST_INIT(NR_UE_rrc_inst->ZP_CSI_RS_Resource_list[1], NR_maxNrofZP_CSI_RS_Resources); RRC_LIST_INIT(NR_UE_rrc_inst->ZP_CSI_RS_Resource_list[2], NR_maxNrofZP_CSI_RS_Resources); RRC_LIST_INIT(NR_UE_rrc_inst->ZP_CSI_RS_Resource_list[3], NR_maxNrofZP_CSI_RS_Resources); RRC_LIST_INIT(NR_UE_rrc_inst->ZP_CSI_RS_Resource_list[4], NR_maxNrofZP_CSI_RS_Resources); RRC_LIST_INIT(NR_UE_rrc_inst->Aperidic_ZP_CSI_RS_ResourceSet_list[0], NR_maxNrofZP_CSI_RS_Sets); RRC_LIST_INIT(NR_UE_rrc_inst->Aperidic_ZP_CSI_RS_ResourceSet_list[1], NR_maxNrofZP_CSI_RS_Sets); RRC_LIST_INIT(NR_UE_rrc_inst->Aperidic_ZP_CSI_RS_ResourceSet_list[2], NR_maxNrofZP_CSI_RS_Sets); RRC_LIST_INIT(NR_UE_rrc_inst->Aperidic_ZP_CSI_RS_ResourceSet_list[3], NR_maxNrofZP_CSI_RS_Sets); RRC_LIST_INIT(NR_UE_rrc_inst->Aperidic_ZP_CSI_RS_ResourceSet_list[4], NR_maxNrofZP_CSI_RS_Sets); RRC_LIST_INIT(NR_UE_rrc_inst->SP_ZP_CSI_RS_ResourceSet_list[0], NR_maxNrofZP_CSI_RS_Sets); RRC_LIST_INIT(NR_UE_rrc_inst->SP_ZP_CSI_RS_ResourceSet_list[1], NR_maxNrofZP_CSI_RS_Sets); RRC_LIST_INIT(NR_UE_rrc_inst->SP_ZP_CSI_RS_ResourceSet_list[2], NR_maxNrofZP_CSI_RS_Sets); RRC_LIST_INIT(NR_UE_rrc_inst->SP_ZP_CSI_RS_ResourceSet_list[3], NR_maxNrofZP_CSI_RS_Sets); RRC_LIST_INIT(NR_UE_rrc_inst->SP_ZP_CSI_RS_ResourceSet_list[4], NR_maxNrofZP_CSI_RS_Sets); RRC_LIST_INIT(NR_UE_rrc_inst->NZP_CSI_RS_Resource_list, NR_maxNrofNZP_CSI_RS_Resources); RRC_LIST_INIT(NR_UE_rrc_inst->NZP_CSI_RS_ResourceSet_list, NR_maxNrofNZP_CSI_RS_ResourceSets); RRC_LIST_INIT(NR_UE_rrc_inst->CSI_IM_Resource_list, NR_maxNrofCSI_IM_Resources); RRC_LIST_INIT(NR_UE_rrc_inst->CSI_IM_ResourceSet_list, NR_maxNrofCSI_IM_ResourceSets); RRC_LIST_INIT(NR_UE_rrc_inst->CSI_SSB_ResourceSet_list, NR_maxNrofCSI_SSB_ResourceSets); RRC_LIST_INIT(NR_UE_rrc_inst->CSI_ResourceConfig_list, NR_maxNrofCSI_ResourceConfigurations); RRC_LIST_INIT(NR_UE_rrc_inst->CSI_ReportConfig_list, NR_maxNrofCSI_ReportConfigurations); }else{ NR_UE_rrc_inst = NULL; } return 0; } int8_t nr_ue_process_rlc_bearer_list(NR_CellGroupConfig_t *cell_group_config){ return 0; }; int8_t nr_ue_process_secondary_cell_list(NR_CellGroupConfig_t *cell_group_config){ return 0; }; int8_t nr_ue_process_mac_cell_group_config(NR_MAC_CellGroupConfig_t *mac_cell_group_config){ return 0; }; int8_t nr_ue_process_physical_cell_group_config(NR_PhysicalCellGroupConfig_t *phy_cell_group_config){ return 0; }; int8_t nr_ue_process_spcell_config(NR_SpCellConfig_t *spcell_config){ return 0; }; /*brief decode BCCH-BCH (MIB) message*/ int8_t nr_rrc_ue_decode_NR_BCCH_BCH_Message( const module_id_t module_id, const uint8_t gNB_index, uint8_t *const bufferP, const uint8_t buffer_len){ int i; NR_BCCH_BCH_Message_t *bcch_message = NULL; NR_MIB_t *mib = NR_UE_rrc_inst->mib; if(mib != NULL){ SEQUENCE_free( &asn_DEF_NR_BCCH_BCH_Message, (void *)mib, 1 ); } asn_dec_rval_t dec_rval = uper_decode_complete( NULL, &asn_DEF_NR_BCCH_BCH_Message, (void **)&bcch_message, (const void *)bufferP, buffer_len ); if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) { LOG_E( RRC, "[UE %"PRIu8"] Failed to decode BCCH_DLSCH_MESSAGE (%zu bits)\n", module_id, dec_rval.consumed ); for (i=0; i<buffer_len; i++) printf("%02x ",bufferP[i]); printf("\n"); // free the memory SEQUENCE_free( &asn_DEF_NR_BCCH_BCH_Message, (void *)bcch_message, 1 ); return -1; } // link to rrc instance mib = &bcch_message->message.choice.mib; //memcpy( (void *)mib, // (void *)&bcch_message->message.choice.mib, // sizeof(NR_MIB_t) ); nr_rrc_mac_config_req_ue( 0, 0, 0, mib, NULL, NULL, NULL); return 0; } // from NR SRB3 int8_t nr_rrc_ue_decode_NR_DL_DCCH_Message( const module_id_t module_id, const uint8_t gNB_index, const uint8_t *bufferP, const uint32_t buffer_len){ // uper_decode by nr R15 rrc_connection_reconfiguration int32_t i; NR_DL_DCCH_Message_t *nr_dl_dcch_msg = NULL; asn_dec_rval_t dec_rval = uper_decode( NULL, &asn_DEF_NR_DL_DCCH_Message, (void**)&nr_dl_dcch_msg, (uint8_t *)bufferP, buffer_len, 0, 0); if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) { LOG_E( RRC, "[UE %"PRIu8"] Failed to decode NR_DL_DCCH_Message (%zu bits)\n", module_id, dec_rval.consumed ); for (i=0; i<buffer_len; i++) printf("%02x ",bufferP[i]); printf("\n"); // free the memory SEQUENCE_free( &asn_DEF_NR_DL_DCCH_Message, (void *)nr_dl_dcch_msg, 1 ); return -1; } if(nr_dl_dcch_msg != NULL){ switch(nr_dl_dcch_msg->message.present){ case NR_DL_DCCH_MessageType_PR_c1: switch(nr_dl_dcch_msg->message.choice.c1.present){ case NR_DL_DCCH_MessageType__c1_PR_rrcReconfiguration: nr_rrc_ue_process_rrcReconfiguration(&nr_dl_dcch_msg->message.choice.c1.choice.rrcReconfiguration); break; case NR_DL_DCCH_MessageType__c1_PR_NOTHING: case NR_DL_DCCH_MessageType__c1_PR_spare15: case NR_DL_DCCH_MessageType__c1_PR_spare14: case NR_DL_DCCH_MessageType__c1_PR_spare13: case NR_DL_DCCH_MessageType__c1_PR_spare12: case NR_DL_DCCH_MessageType__c1_PR_spare11: case NR_DL_DCCH_MessageType__c1_PR_spare10: case NR_DL_DCCH_MessageType__c1_PR_spare9: case NR_DL_DCCH_MessageType__c1_PR_spare8: case NR_DL_DCCH_MessageType__c1_PR_spare7: case NR_DL_DCCH_MessageType__c1_PR_spare6: case NR_DL_DCCH_MessageType__c1_PR_spare5: case NR_DL_DCCH_MessageType__c1_PR_spare4: case NR_DL_DCCH_MessageType__c1_PR_spare3: case NR_DL_DCCH_MessageType__c1_PR_spare2: case NR_DL_DCCH_MessageType__c1_PR_spare1: default: // not support or unuse break; } break; case NR_DL_DCCH_MessageType_PR_NOTHING: case NR_DL_DCCH_MessageType_PR_messageClassExtension: default: // not support or unuse break; } // release memory allocation SEQUENCE_free( &asn_DEF_NR_DL_DCCH_Message, (void *)nr_dl_dcch_msg, 1 ); }else{ // log.. } return 0; }