/* * 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 * \author R. Knopp, K.H. HSU * \date 2018 * \version 0.1 * \company Eurecom / NTUST * \email: knopp@eurecom.fr, kai-hsiang.hsu@eurecom.fr * \note * \warning */ #define RRC_UE #define RRC_UE_C #include "oai_asn1.h" #include "NR_DL-DCCH-Message.h" //asn_DEF_NR_DL_DCCH_Message #include "NR_DL-CCCH-Message.h" //asn_DEF_NR_DL_CCCH_Message #include "NR_BCCH-BCH-Message.h" //asn_DEF_NR_BCCH_BCH_Message #include "NR_BCCH-DL-SCH-Message.h" //asn_DEF_NR_BCCH_DL_SCH_Message #include "NR_CellGroupConfig.h" //asn_DEF_NR_CellGroupConfig #include "NR_BWP-Downlink.h" //asn_DEF_NR_BWP_Downlink #include "NR_RRCReconfiguration.h" #include "NR_MeasConfig.h" #include "NR_UL-DCCH-Message.h" #include "rrc_defs.h" #include "rrc_proto.h" #include "rrc_vars.h" #include "LAYER2/NR_MAC_UE/mac_proto.h" #include "COMMON/mac_rrc_primitives.h" #include "intertask_interface.h" #include "LAYER2/nr_rlc/nr_rlc_oai_api.h" #include "nr-uesoftmodem.h" #include "plmn_data.h" #include "nr_pdcp/nr_pdcp_oai_api.h" #include "UTIL/OSA/osa_defs.h" #include "common/utils/LOG/log.h" #include "common/utils/LOG/vcd_signal_dumper.h" #ifndef CELLULAR #include "RRC/NR/MESSAGES/asn1_msg.h" #endif #include "RRC/NAS/nas_config.h" #include "RRC/NAS/rb_config.h" #include "SIMULATION/TOOLS/sim.h" // for taus #include "nr_nas_msg_sim.h" NR_UE_RRC_INST_t *NR_UE_rrc_inst; /* NAS Attach request with IMSI */ static const char nr_nas_attach_req_imsi[] = { 0x07, 0x41, /* EPS Mobile identity = IMSI */ 0x71, 0x08, 0x29, 0x80, 0x43, 0x21, 0x43, 0x65, 0x87, 0xF9, /* End of EPS Mobile Identity */ 0x02, 0xE0, 0xE0, 0x00, 0x20, 0x02, 0x03, 0xD0, 0x11, 0x27, 0x1A, 0x80, 0x80, 0x21, 0x10, 0x01, 0x00, 0x00, 0x10, 0x81, 0x06, 0x00, 0x00, 0x00, 0x00, 0x83, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0D, 0x00, 0x00, 0x0A, 0x00, 0x52, 0x12, 0xF2, 0x01, 0x27, 0x11, }; void nr_rrc_ue_process_ueCapabilityEnquiry( const protocol_ctxt_t *const ctxt_pP, NR_UECapabilityEnquiry_t *UECapabilityEnquiry, uint8_t gNB_index ); void nr_rrc_ue_process_RadioBearerConfig( const protocol_ctxt_t *const ctxt_pP, const uint8_t gNB_index, NR_RadioBearerConfig_t *const radioBearerConfig ); uint8_t do_NR_RRCReconfigurationComplete( const protocol_ctxt_t *const ctxt_pP, uint8_t *buffer, size_t buffer_size, const uint8_t Transaction_id ); void nr_rrc_ue_generate_rrcReestablishmentComplete( const protocol_ctxt_t *const ctxt_pP, NR_RRCReestablishment_t *rrcReestablishment, uint8_t gNB_index ); mui_t nr_rrc_mui=0; static Rrc_State_NR_t nr_rrc_get_state (module_id_t ue_mod_idP) { return NR_UE_rrc_inst[ue_mod_idP].nrRrcState; } static Rrc_Sub_State_NR_t nr_rrc_get_sub_state (module_id_t ue_mod_idP) { return NR_UE_rrc_inst[ue_mod_idP].nrRrcSubState; } static int nr_rrc_set_state (module_id_t ue_mod_idP, Rrc_State_NR_t state) { AssertFatal ((RRC_STATE_FIRST_NR <= state) && (state <= RRC_STATE_LAST_NR), "Invalid state %d!\n", state); if (NR_UE_rrc_inst[ue_mod_idP].nrRrcState != state) { NR_UE_rrc_inst[ue_mod_idP].nrRrcState = state; return (1); } return (0); } static int nr_rrc_set_sub_state( module_id_t ue_mod_idP, Rrc_Sub_State_NR_t subState ) { if (get_softmodem_params()->sa) { switch (NR_UE_rrc_inst[ue_mod_idP].nrRrcState) { case RRC_STATE_INACTIVE_NR: AssertFatal ((RRC_SUB_STATE_INACTIVE_FIRST_NR <= subState) && (subState <= RRC_SUB_STATE_INACTIVE_LAST_NR), "Invalid nr sub state %d for state %d!\n", subState, NR_UE_rrc_inst[ue_mod_idP].nrRrcState); break; case RRC_STATE_IDLE_NR: AssertFatal ((RRC_SUB_STATE_IDLE_FIRST_NR <= subState) && (subState <= RRC_SUB_STATE_IDLE_LAST_NR), "Invalid nr sub state %d for state %d!\n", subState, NR_UE_rrc_inst[ue_mod_idP].nrRrcState); break; case RRC_STATE_CONNECTED_NR: AssertFatal ((RRC_SUB_STATE_CONNECTED_FIRST_NR <= subState) && (subState <= RRC_SUB_STATE_CONNECTED_LAST_NR), "Invalid nr sub state %d for state %d!\n", subState, NR_UE_rrc_inst[ue_mod_idP].nrRrcState); break; } } if (NR_UE_rrc_inst[ue_mod_idP].nrRrcSubState != subState) { NR_UE_rrc_inst[ue_mod_idP].nrRrcSubState = subState; return (1); } return (0); } static void nr_rrc_addmod_srbs(int rnti, const NR_SRB_ToAddModList_t *srb_list, const struct NR_CellGroupConfig__rlc_BearerToAddModList *bearer_list) { if (srb_list == NULL || bearer_list == NULL) return; for (int i = 0; i < srb_list->list.count; i++) { const NR_SRB_ToAddMod_t *srb = srb_list->list.array[i]; for (int j = 0; j < bearer_list->list.count; j++) { const NR_RLC_BearerConfig_t *bearer = bearer_list->list.array[j]; if (bearer->servedRadioBearer != NULL && bearer->servedRadioBearer->present == NR_RLC_BearerConfig__servedRadioBearer_PR_srb_Identity && srb->srb_Identity == bearer->servedRadioBearer->choice.srb_Identity) { nr_rlc_add_srb(rnti, srb->srb_Identity, bearer); } } } } static void nr_rrc_addmod_drbs(int rnti, const NR_DRB_ToAddModList_t *drb_list, const struct NR_CellGroupConfig__rlc_BearerToAddModList *bearer_list) { if (drb_list == NULL || bearer_list == NULL) return; for (int i = 0; i < drb_list->list.count; i++) { const NR_DRB_ToAddMod_t *drb = drb_list->list.array[i]; for (int j = 0; j < bearer_list->list.count; j++) { const NR_RLC_BearerConfig_t *bearer = bearer_list->list.array[j]; if (bearer->servedRadioBearer != NULL && bearer->servedRadioBearer->present == NR_RLC_BearerConfig__servedRadioBearer_PR_drb_Identity && drb->drb_Identity == bearer->servedRadioBearer->choice.drb_Identity) { nr_rlc_add_drb(rnti, drb->drb_Identity, bearer); } } } } // from LTE-RRC DL-DCCH RRCConnectionReconfiguration nr-secondary-cell-group-config (encoded) int8_t nr_rrc_ue_decode_secondary_cellgroup_config(const module_id_t module_id, const uint8_t *buffer, const uint32_t size){ NR_CellGroupConfig_t *cell_group_config = NULL; uint32_t i; asn_dec_rval_t dec_rval = uper_decode(NULL, &asn_DEF_NR_CellGroupConfig, (void **)&cell_group_config, (uint8_t *)buffer, size, 0, 0); if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) { LOG_E(NR_RRC, "NR_CellGroupConfig decode error\n"); for (i=0; i<size; i++) LOG_E(NR_RRC, "%02x ",buffer[i]); LOG_E(NR_RRC, "\n"); // free the memory SEQUENCE_free(&asn_DEF_NR_CellGroupConfig, (void *)cell_group_config, 1); return -1; } if(NR_UE_rrc_inst[module_id].scell_group_config == NULL) NR_UE_rrc_inst[module_id].scell_group_config = cell_group_config; else SEQUENCE_free(&asn_DEF_NR_CellGroupConfig, (void *)cell_group_config, 0); if(cell_group_config->spCellConfig != NULL) configure_spcell(&NR_UE_rrc_inst[module_id], cell_group_config->spCellConfig); return 0; } // from LTE-RRC DL-DCCH RRCConnectionReconfiguration nr-secondary-cell-group-config (decoded) // RRCReconfiguration int8_t nr_rrc_ue_process_rrcReconfiguration(const module_id_t module_id, 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[module_id].radio_bearer_config == NULL){ NR_UE_rrc_inst[module_id].radio_bearer_config = rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->radioBearerConfig; }else{ if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) { struct NR_RadioBearerConfig *RadioBearerConfig = rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->radioBearerConfig; xer_fprint(stdout, &asn_DEF_NR_RadioBearerConfig, (const void *) RadioBearerConfig); } } } if(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->secondaryCellGroup != NULL){ if(get_softmodem_params()->sa || get_softmodem_params()->nsa) { 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 (LOG_DEBUGFLAG(DEBUG_ASN1)) { xer_fprint(stdout, &asn_DEF_NR_CellGroupConfig, (const void *) cellGroupConfig); } if(NR_UE_rrc_inst[module_id].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[module_id].cell_group_config = cellGroupConfig; }else { // after first time, update it and free the memory after. SEQUENCE_free(&asn_DEF_NR_CellGroupConfig, (void *)NR_UE_rrc_inst[module_id].cell_group_config, 0); NR_UE_rrc_inst[module_id].cell_group_config = cellGroupConfig; } if(cellGroupConfig->spCellConfig != NULL) configure_spcell(&NR_UE_rrc_inst[module_id], cellGroupConfig->spCellConfig); if (get_softmodem_params()->nsa) { nr_rrc_mac_config_req_scg(0, 0, cellGroupConfig); } } else nr_rrc_ue_decode_secondary_cellgroup_config(module_id, rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->secondaryCellGroup->buf, rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->secondaryCellGroup->size); } if(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->measConfig != NULL){ if(NR_UE_rrc_inst[module_id].meas_config == NULL){ NR_UE_rrc_inst[module_id].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; } return 0; } int8_t nr_rrc_ue_process_meas_config(NR_MeasConfig_t *meas_config){ return 0; } void process_nsa_message(NR_UE_RRC_INST_t *rrc, nsa_message_t nsa_message_type, void *message,int msg_len) { module_id_t module_id=0; // TODO switch (nsa_message_type) { case nr_SecondaryCellGroupConfig_r15: { NR_RRCReconfiguration_t *RRCReconfiguration=NULL; asn_dec_rval_t dec_rval = uper_decode_complete( NULL, &asn_DEF_NR_RRCReconfiguration, (void **)&RRCReconfiguration, (uint8_t *)message, msg_len); if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) { LOG_E(NR_RRC, "NR_RRCReconfiguration decode error\n"); // free the memory SEQUENCE_free( &asn_DEF_NR_RRCReconfiguration, RRCReconfiguration, 1 ); return; } nr_rrc_ue_process_rrcReconfiguration(module_id,RRCReconfiguration); ASN_STRUCT_FREE(asn_DEF_NR_RRCReconfiguration, RRCReconfiguration); } break; case nr_RadioBearerConfigX_r15: { NR_RadioBearerConfig_t *RadioBearerConfig=NULL; asn_dec_rval_t dec_rval = uper_decode_complete( NULL, &asn_DEF_NR_RadioBearerConfig, (void **)&RadioBearerConfig, (uint8_t *)message, msg_len); if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) { LOG_E(NR_RRC, "NR_RadioBearerConfig decode error\n"); // free the memory SEQUENCE_free( &asn_DEF_NR_RadioBearerConfig, RadioBearerConfig, 1 ); return; } if (get_softmodem_params()->nsa) { protocol_ctxt_t ctxt; NR_UE_MAC_INST_t *mac = get_mac_inst(module_id); PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, module_id, ENB_FLAG_YES, mac->crnti, 0, 0, 0); xer_fprint(stdout, &asn_DEF_NR_RadioBearerConfig, (const void*)RadioBearerConfig); LOG_D(NR_RRC, "Calling nr_rrc_ue_process_RadioBearerConfig() at %d with: e_rab_id = %ld, drbID = %ld, cipher_algo = %ld, key = %ld \n", __LINE__, RadioBearerConfig->drb_ToAddModList->list.array[0]->cnAssociation->choice.eps_BearerIdentity, RadioBearerConfig->drb_ToAddModList->list.array[0]->drb_Identity, RadioBearerConfig->securityConfig->securityAlgorithmConfig->cipheringAlgorithm, *RadioBearerConfig->securityConfig->keyToUse); nr_rrc_ue_process_RadioBearerConfig(&ctxt, 0, RadioBearerConfig); } else if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) { xer_fprint(stdout, &asn_DEF_NR_RadioBearerConfig, (const void *) RadioBearerConfig); } ASN_STRUCT_FREE(asn_DEF_NR_RadioBearerConfig, RadioBearerConfig); } break; default: AssertFatal(1==0,"Unknown message %d\n",nsa_message_type); break; } } NR_UE_RRC_INST_t* openair_rrc_top_init_ue_nr(char* uecap_file, char* rrc_config_path) { if(NB_NR_UE_INST > 0) { NR_UE_rrc_inst = (NR_UE_RRC_INST_t *)calloc(NB_NR_UE_INST , sizeof(NR_UE_RRC_INST_t)); for(int nr_ue = 0; nr_ue < NB_NR_UE_INST; nr_ue++) { NR_UE_RRC_INST_t *rrc = &NR_UE_rrc_inst[nr_ue]; // fill UE-NR-Capability @ UE-CapabilityRAT-Container here. rrc->selected_plmn_identity = 1; rrc->bwpd = NULL; rrc->ubwpd = NULL; // TODO: Put the appropriate list of SIBs rrc->requested_SI_List.buf = CALLOC(1,4); rrc->requested_SI_List.buf[0] = SIB2 | SIB3 | SIB5; // SIB2 - SIB9 rrc->requested_SI_List.buf[1] = 0; // SIB10 - SIB17 rrc->requested_SI_List.buf[2] = 0; // SIB18 - SIB25 rrc->requested_SI_List.buf[3] = 0; // SIB26 - SIB32 rrc->requested_SI_List.size= 4; rrc->requested_SI_List.bits_unused= 0; rrc->ra_trigger = RA_NOT_RUNNING; } NR_UE_rrc_inst->uecap_file = uecap_file; if (get_softmodem_params()->phy_test==1 || get_softmodem_params()->do_ra==1) { // read in files for RRCReconfiguration and RBconfig FILE *fd; char filename[1024]; if (rrc_config_path) sprintf(filename,"%s/reconfig.raw",rrc_config_path); else sprintf(filename,"reconfig.raw"); fd = fopen(filename,"r"); char buffer[1024]; AssertFatal(fd, "cannot read file %s: errno %d, %s\n", filename, errno, strerror(errno)); int msg_len=fread(buffer,1,1024,fd); fclose(fd); process_nsa_message(NR_UE_rrc_inst, nr_SecondaryCellGroupConfig_r15, buffer,msg_len); if (rrc_config_path) sprintf(filename,"%s/rbconfig.raw",rrc_config_path); else sprintf(filename,"rbconfig.raw"); fd = fopen(filename,"r"); AssertFatal(fd, "cannot read file %s: errno %d, %s\n", filename, errno, strerror(errno)); msg_len=fread(buffer,1,1024,fd); fclose(fd); process_nsa_message(NR_UE_rrc_inst, nr_RadioBearerConfigX_r15, buffer,msg_len); } else if (get_softmodem_params()->nsa) { LOG_D(NR_RRC, "In NSA mode \n"); } } else{ NR_UE_rrc_inst = NULL; } return NR_UE_rrc_inst; } 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; } /*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) { NR_BCCH_BCH_Message_t *bcch_message = NULL; if (NR_UE_rrc_inst[module_id].mib == NULL) LOG_A(NR_RRC, "Configuring MAC for first MIB reception\n"); asn_dec_rval_t dec_rval = uper_decode_complete(NULL, &asn_DEF_NR_BCCH_BCH_Message, (void **)&bcch_message, (const void *)bufferP, buffer_len); int ret; if ((dec_rval.code != RC_OK) || (dec_rval.consumed == 0)) { LOG_E(NR_RRC, "NR_BCCH_BCH decode error\n"); ret = -1; } else { // link to rrc instance ASN_STRUCT_FREE(asn_DEF_NR_MIB, NR_UE_rrc_inst[module_id].mib); NR_UE_rrc_inst[module_id].mib = bcch_message->message.choice.mib; bcch_message->message.choice.mib = NULL; NR_UE_RRC_SI_INFO *SI_info = &NR_UE_rrc_inst[module_id].SInfo[gNB_index]; NR_SIB1_t *sib1 = SI_info->sib1; // if no sib1 because not acquired yet or expired, get a new one bool get_sib1 = sib1 == NULL; nr_rrc_mac_config_req_mib(module_id, 0, NR_UE_rrc_inst[module_id].mib, get_sib1); ret = 0; } ASN_STRUCT_FREE(asn_DEF_NR_BCCH_BCH_Message, bcch_message); return ret; } const char *nr_SIBreserved( long value ) { if (value < 0 || value > 1) return "ERR"; if (value) return "notReserved"; return "reserved"; } void nr_dump_sib2( NR_SIB2_t *sib2 ){ //cellReselectionInfoCommon //nrofSS_BlocksToAverage if( sib2->cellReselectionInfoCommon.nrofSS_BlocksToAverage) LOG_I( RRC, "cellReselectionInfoCommon.nrofSS_BlocksToAverage : %ld\n", *sib2->cellReselectionInfoCommon.nrofSS_BlocksToAverage ); else LOG_I( RRC, "cellReselectionInfoCommon->nrofSS_BlocksToAverage : not defined\n" ); //absThreshSS_BlocksConsolidation if( sib2->cellReselectionInfoCommon.absThreshSS_BlocksConsolidation){ LOG_I( RRC, "absThreshSS_BlocksConsolidation.thresholdRSRP : %ld\n", *sib2->cellReselectionInfoCommon.absThreshSS_BlocksConsolidation->thresholdRSRP ); LOG_I( RRC, "absThreshSS_BlocksConsolidation.thresholdRSRQ : %ld\n", *sib2->cellReselectionInfoCommon.absThreshSS_BlocksConsolidation->thresholdRSRQ ); LOG_I( RRC, "absThreshSS_BlocksConsolidation.thresholdSINR : %ld\n", *sib2->cellReselectionInfoCommon.absThreshSS_BlocksConsolidation->thresholdSINR ); } else LOG_I( RRC, "cellReselectionInfoCommon->absThreshSS_BlocksConsolidation : not defined\n" ); //q_Hyst LOG_I( RRC, "cellReselectionInfoCommon.q_Hyst : %ld\n", sib2->cellReselectionInfoCommon.q_Hyst ); //speedStateReselectionPars if( sib2->cellReselectionInfoCommon.speedStateReselectionPars){ LOG_I( RRC, "speedStateReselectionPars->mobilityStateParameters.t_Evaluation : %ld\n", sib2->cellReselectionInfoCommon.speedStateReselectionPars->mobilityStateParameters.t_Evaluation); LOG_I( RRC, "speedStateReselectionPars->mobilityStateParameters.t_HystNormal : %ld\n", sib2->cellReselectionInfoCommon.speedStateReselectionPars->mobilityStateParameters.t_HystNormal); LOG_I( RRC, "speedStateReselectionPars->mobilityStateParameters.n_CellChangeMedium : %ld\n", sib2->cellReselectionInfoCommon.speedStateReselectionPars->mobilityStateParameters.n_CellChangeMedium); LOG_I( RRC, "speedStateReselectionPars->mobilityStateParameters.n_CellChangeHigh : %ld\n", sib2->cellReselectionInfoCommon.speedStateReselectionPars->mobilityStateParameters.n_CellChangeHigh); LOG_I( RRC, "speedStateReselectionPars->q_HystSF.sf_Medium : %ld\n", sib2->cellReselectionInfoCommon.speedStateReselectionPars->q_HystSF.sf_Medium); LOG_I( RRC, "speedStateReselectionPars->q_HystSF.sf_High : %ld\n", sib2->cellReselectionInfoCommon.speedStateReselectionPars->q_HystSF.sf_High); } else LOG_I( RRC, "cellReselectionInfoCommon->speedStateReselectionPars : not defined\n" ); //cellReselectionServingFreqInfo if( sib2->cellReselectionServingFreqInfo.s_NonIntraSearchP) LOG_I( RRC, "cellReselectionServingFreqInfo.s_NonIntraSearchP : %ld\n", *sib2->cellReselectionServingFreqInfo.s_NonIntraSearchP ); else LOG_I( RRC, "cellReselectionServingFreqInfo->s_NonIntraSearchP : not defined\n" ); if( sib2->cellReselectionServingFreqInfo.s_NonIntraSearchQ) LOG_I( RRC, "cellReselectionServingFreqInfo.s_NonIntraSearchQ : %ld\n", *sib2->cellReselectionServingFreqInfo.s_NonIntraSearchQ ); else LOG_I( RRC, "cellReselectionServingFreqInfo->s_NonIntraSearchQ : not defined\n" ); LOG_I( RRC, "cellReselectionServingFreqInfo.threshServingLowP : %ld\n", sib2->cellReselectionServingFreqInfo.threshServingLowP ); if( sib2->cellReselectionServingFreqInfo.threshServingLowQ) LOG_I( RRC, "cellReselectionServingFreqInfo.threshServingLowQ : %ld\n", *sib2->cellReselectionServingFreqInfo.threshServingLowQ ); else LOG_I( RRC, "cellReselectionServingFreqInfo->threshServingLowQ : not defined\n" ); LOG_I( RRC, "cellReselectionServingFreqInfo.cellReselectionPriority : %ld\n", sib2->cellReselectionServingFreqInfo.cellReselectionPriority ); if( sib2->cellReselectionServingFreqInfo.cellReselectionSubPriority) LOG_I( RRC, "cellReselectionServingFreqInfo.cellReselectionSubPriority : %ld\n", *sib2->cellReselectionServingFreqInfo.cellReselectionSubPriority ); else LOG_I( RRC, "cellReselectionServingFreqInfo->cellReselectionSubPriority : not defined\n" ); //intraFreqCellReselectionInfo LOG_I( RRC, "intraFreqCellReselectionInfo.q_RxLevMin : %ld\n", sib2->intraFreqCellReselectionInfo.q_RxLevMin ); if( sib2->intraFreqCellReselectionInfo.q_RxLevMinSUL) LOG_I( RRC, "intraFreqCellReselectionInfo.q_RxLevMinSUL : %ld\n", *sib2->intraFreqCellReselectionInfo.q_RxLevMinSUL ); else LOG_I( RRC, "intraFreqCellReselectionInfo->q_RxLevMinSUL : not defined\n" ); if( sib2->intraFreqCellReselectionInfo.q_QualMin) LOG_I( RRC, "intraFreqCellReselectionInfo.q_QualMin : %ld\n", *sib2->intraFreqCellReselectionInfo.q_QualMin ); else LOG_I( RRC, "intraFreqCellReselectionInfo->q_QualMin : not defined\n" ); LOG_I( RRC, "intraFreqCellReselectionInfo.s_IntraSearchP : %ld\n", sib2->intraFreqCellReselectionInfo.s_IntraSearchP ); if( sib2->intraFreqCellReselectionInfo.s_IntraSearchQ) LOG_I( RRC, "intraFreqCellReselectionInfo.s_IntraSearchQ : %ld\n", *sib2->intraFreqCellReselectionInfo.s_IntraSearchQ ); else LOG_I( RRC, "intraFreqCellReselectionInfo->s_IntraSearchQ : not defined\n" ); LOG_I( RRC, "intraFreqCellReselectionInfo.t_ReselectionNR : %ld\n", sib2->intraFreqCellReselectionInfo.t_ReselectionNR ); if( sib2->intraFreqCellReselectionInfo.frequencyBandList) LOG_I( RRC, "intraFreqCellReselectionInfo.frequencyBandList : %p\n", sib2->intraFreqCellReselectionInfo.frequencyBandList ); else LOG_I( RRC, "intraFreqCellReselectionInfo->frequencyBandList : not defined\n" ); if( sib2->intraFreqCellReselectionInfo.frequencyBandListSUL) LOG_I( RRC, "intraFreqCellReselectionInfo.frequencyBandListSUL : %p\n", sib2->intraFreqCellReselectionInfo.frequencyBandListSUL ); else LOG_I( RRC, "intraFreqCellReselectionInfo->frequencyBandListSUL : not defined\n" ); if( sib2->intraFreqCellReselectionInfo.p_Max) LOG_I( RRC, "intraFreqCellReselectionInfo.p_Max : %ld\n", *sib2->intraFreqCellReselectionInfo.p_Max ); else LOG_I( RRC, "intraFreqCellReselectionInfo->p_Max : not defined\n" ); if( sib2->intraFreqCellReselectionInfo.smtc) LOG_I( RRC, "intraFreqCellReselectionInfo.smtc : %p\n", sib2->intraFreqCellReselectionInfo.smtc ); else LOG_I( RRC, "intraFreqCellReselectionInfo->smtc : not defined\n" ); if( sib2->intraFreqCellReselectionInfo.ss_RSSI_Measurement) LOG_I( RRC, "intraFreqCellReselectionInfo.ss_RSSI_Measurement : %p\n", sib2->intraFreqCellReselectionInfo.ss_RSSI_Measurement ); else LOG_I( RRC, "intraFreqCellReselectionInfo->ss_RSSI_Measurement : not defined\n" ); if( sib2->intraFreqCellReselectionInfo.ssb_ToMeasure) LOG_I( RRC, "intraFreqCellReselectionInfo.ssb_ToMeasure : %p\n", sib2->intraFreqCellReselectionInfo.ssb_ToMeasure ); else LOG_I( RRC, "intraFreqCellReselectionInfo->ssb_ToMeasure : not defined\n" ); LOG_I( RRC, "intraFreqCellReselectionInfo.deriveSSB_IndexFromCell : %d\n", sib2->intraFreqCellReselectionInfo.deriveSSB_IndexFromCell ); } void nr_dump_sib3( NR_SIB3_t *sib3 ) { //intraFreqNeighCellList if( sib3->intraFreqNeighCellList){ LOG_I( RRC, "intraFreqNeighCellList : %p\n", sib3->intraFreqNeighCellList ); const int n = sib3->intraFreqNeighCellList->list.count; for (int i = 0; i < n; ++i){ LOG_I( RRC, "intraFreqNeighCellList->physCellId : %ld\n", sib3->intraFreqNeighCellList->list.array[i]->physCellId ); LOG_I( RRC, "intraFreqNeighCellList->q_OffsetCell : %ld\n", sib3->intraFreqNeighCellList->list.array[i]->q_OffsetCell ); if( sib3->intraFreqNeighCellList->list.array[i]->q_RxLevMinOffsetCell) LOG_I( RRC, "intraFreqNeighCellList->q_RxLevMinOffsetCell : %ld\n", *sib3->intraFreqNeighCellList->list.array[i]->q_RxLevMinOffsetCell ); else LOG_I( RRC, "intraFreqNeighCellList->q_RxLevMinOffsetCell : not defined\n" ); if( sib3->intraFreqNeighCellList->list.array[i]->q_RxLevMinOffsetCellSUL) LOG_I( RRC, "intraFreqNeighCellList->q_RxLevMinOffsetCellSUL : %ld\n", *sib3->intraFreqNeighCellList->list.array[i]->q_RxLevMinOffsetCellSUL ); else LOG_I( RRC, "intraFreqNeighCellList->q_RxLevMinOffsetCellSUL : not defined\n" ); if( sib3->intraFreqNeighCellList->list.array[i]->q_QualMinOffsetCell) LOG_I( RRC, "intraFreqNeighCellList->q_QualMinOffsetCell : %ld\n", *sib3->intraFreqNeighCellList->list.array[i]->q_QualMinOffsetCell ); else LOG_I( RRC, "intraFreqNeighCellList->q_QualMinOffsetCell : not defined\n" ); } } else{ LOG_I( RRC, "intraFreqCellReselectionInfo : not defined\n" ); } //intraFreqBlackCellList if( sib3->intraFreqExcludedCellList){ LOG_I( RRC, "intraFreqExcludedCellList : %p\n", sib3->intraFreqExcludedCellList ); const int n = sib3->intraFreqExcludedCellList->list.count; for (int i = 0; i < n; ++i){ LOG_I( RRC, "intraFreqExcludedCellList->start : %ld\n", sib3->intraFreqExcludedCellList->list.array[i]->start ); if( sib3->intraFreqExcludedCellList->list.array[i]->range) LOG_I( RRC, "intraFreqExcludedCellList->range : %ld\n", *sib3->intraFreqExcludedCellList->list.array[i]->range ); else LOG_I( RRC, "intraFreqExcludedCellList->range : not defined\n" ); } } else{ LOG_I( RRC, "intraFreqExcludedCellList : not defined\n" ); } //lateNonCriticalExtension if( sib3->lateNonCriticalExtension) LOG_I( RRC, "lateNonCriticalExtension : %p\n", sib3->lateNonCriticalExtension ); else LOG_I( RRC, "lateNonCriticalExtension : not defined\n" ); } int nr_decode_SI(const protocol_ctxt_t *const ctxt_pP, const uint8_t gNB_index) { NR_UE_RRC_SI_INFO *SI_info = &NR_UE_rrc_inst[ctxt_pP->module_id].SInfo[gNB_index]; NR_SystemInformation_t *si = SI_info->si; int new_sib = 0; NR_SIB1_t *sib1 = SI_info->sib1; VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_RRC_UE_DECODE_SI, VCD_FUNCTION_IN ); // Dump contents if (si->criticalExtensions.present == NR_SystemInformation__criticalExtensions_PR_systemInformation || si->criticalExtensions.present == NR_SystemInformation__criticalExtensions_PR_criticalExtensionsFuture_r16) { LOG_D( RRC, "[UE] si->criticalExtensions.choice.NR_SystemInformation_t->sib_TypeAndInfo.list.count %d\n", si->criticalExtensions.choice.systemInformation->sib_TypeAndInfo.list.count ); } else { LOG_D( RRC, "[UE] Unknown criticalExtension version (not Rel16)\n" ); return -1; } for (int i = 0; i < si->criticalExtensions.choice.systemInformation->sib_TypeAndInfo.list.count; i++) { SystemInformation_IEs__sib_TypeAndInfo__Member *typeandinfo; typeandinfo = si->criticalExtensions.choice.systemInformation->sib_TypeAndInfo.list.array[i]; switch(typeandinfo->present) { case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib2: if ((SI_info->SIStatus & 2) == 0) { SI_info->SIStatus |= 2; //new_sib=1; memcpy(SI_info->sib2, &typeandinfo->choice.sib2, sizeof(NR_SIB2_t)); LOG_I(RRC, "[UE %"PRIu8"] Frame %"PRIu32" Found SIB2 from gNB %"PRIu8"\n", ctxt_pP->module_id, ctxt_pP->frame, gNB_index); nr_dump_sib2(SI_info->sib2); LOG_I(RRC, "[FRAME %05"PRIu32"][RRC_UE][MOD %02"PRIu8"][][--- MAC_CONFIG_REQ (SIB2 params gNB %"PRIu8") --->][MAC_UE][MOD %02"PRIu8"][]\n", ctxt_pP->frame, ctxt_pP->module_id, gNB_index, ctxt_pP->module_id ); //TODO rrc_mac_config_req_ue // After SI is received, prepare RRCConnectionRequest if (NR_UE_rrc_inst[ctxt_pP->module_id].MBMS_flag < 3) { // see -Q option if (get_softmodem_params()->sa) nr_rrc_ue_generate_RRCSetupRequest( ctxt_pP->module_id, gNB_index ); } } break; // case SystemInformation_r8_IEs__sib_TypeAndInfo__Member_PR_sib2 case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib3: if ((SI_info->SIStatus & 4) == 0) { SI_info->SIStatus |= 4; new_sib=1; memcpy(SI_info->sib3, &typeandinfo->choice.sib3, sizeof(LTE_SystemInformationBlockType3_t)); LOG_I(RRC, "[UE %"PRIu8"] Frame %"PRIu32" Found SIB3 from gNB %"PRIu8"\n", ctxt_pP->module_id, ctxt_pP->frame, gNB_index ); nr_dump_sib3(SI_info->sib3); } break; case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib4: if ((SI_info->SIStatus & 8) == 0) { SI_info->SIStatus |= 8; new_sib=1; memcpy(SI_info->sib4, typeandinfo->choice.sib4, sizeof(NR_SIB4_t)); LOG_I(RRC, "[UE %"PRIu8"] Frame %"PRIu32" Found SIB4 from gNB %"PRIu8"\n", ctxt_pP->module_id, ctxt_pP->frame, gNB_index); } break; case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib5: if ((SI_info->SIStatus & 16) == 0) { SI_info->SIStatus |= 16; new_sib=1; memcpy(SI_info->sib5, typeandinfo->choice.sib5, sizeof(NR_SIB5_t)); LOG_I(RRC, "[UE %"PRIu8"] Frame %"PRIu32" Found SIB5 from gNB %"PRIu8"\n", ctxt_pP->module_id, ctxt_pP->frame, gNB_index); } break; case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib6: if ((SI_info->SIStatus & 32) == 0) { SI_info->SIStatus |= 32; new_sib=1; memcpy(SI_info->sib6, typeandinfo->choice.sib6, sizeof(NR_SIB6_t)); LOG_I(RRC, "[UE %"PRIu8"] Frame %"PRIu32" Found SIB6 from gNB %"PRIu8"\n", ctxt_pP->module_id, ctxt_pP->frame, gNB_index); } break; case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib7: if ((SI_info->SIStatus & 64) == 0) { SI_info->SIStatus |= 64; new_sib=1; memcpy(SI_info->sib7, typeandinfo->choice.sib7, sizeof(NR_SIB7_t)); LOG_I(RRC, "[UE %"PRIu8"] Frame %"PRIu32" Found SIB7 from gNB %"PRIu8"\n", ctxt_pP->module_id, ctxt_pP->frame, gNB_index); } break; case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib8: if ((SI_info->SIStatus & 128) == 0) { SI_info->SIStatus |= 128; new_sib=1; memcpy(SI_info->sib8, typeandinfo->choice.sib8, sizeof(NR_SIB8_t)); LOG_I(RRC, "[UE %"PRIu8"] Frame %"PRIu32" Found SIB8 from gNB %"PRIu8"\n", ctxt_pP->module_id, ctxt_pP->frame, gNB_index); } break; case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib9: if ((SI_info->SIStatus & 256) == 0) { SI_info->SIStatus |= 256; new_sib=1; memcpy(SI_info->sib9, typeandinfo->choice.sib9, sizeof(NR_SIB9_t)); LOG_I(RRC, "[UE %"PRIu8"] Frame %"PRIu32" Found SIB9 from gNB %"PRIu8"\n", ctxt_pP->module_id, ctxt_pP->frame, gNB_index); } break; case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib10_v1610: if ((SI_info->SIStatus & 512) == 0) { SI_info->SIStatus |= 512; new_sib=1; memcpy(SI_info->sib10, typeandinfo->choice.sib10_v1610, sizeof(NR_SIB10_r16_t)); LOG_I(RRC, "[UE %"PRIu8"] Frame %"PRIu32" Found SIB10 from gNB %"PRIu8"\n", ctxt_pP->module_id, ctxt_pP->frame, gNB_index); } break; case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib11_v1610: if ((SI_info->SIStatus & 1024) == 0) { SI_info->SIStatus |= 1024; new_sib=1; memcpy(SI_info->sib11, typeandinfo->choice.sib11_v1610, sizeof(NR_SIB11_r16_t)); LOG_I(RRC, "[UE %"PRIu8"] Frame %"PRIu32" Found SIB11 from gNB %"PRIu8"\n", ctxt_pP->module_id, ctxt_pP->frame, gNB_index); } break; case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib12_v1610: if ((SI_info->SIStatus & 2048) == 0) { SI_info->SIStatus |= 2048; new_sib=1; memcpy(SI_info->sib12, typeandinfo->choice.sib12_v1610, sizeof(NR_SIB12_r16_t)); LOG_I(RRC, "[UE %"PRIu8"] Frame %"PRIu32" Found SIB12 from gNB %"PRIu8"\n", ctxt_pP->module_id, ctxt_pP->frame, gNB_index); } break; case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib13_v1610: if ((SI_info->SIStatus & 4096) == 0) { SI_info->SIStatus |= 4096; new_sib=1; memcpy(SI_info->sib13, typeandinfo->choice.sib13_v1610, sizeof(NR_SIB13_r16_t)); LOG_I( RRC, "[UE %"PRIu8"] Frame %"PRIu32" Found SIB13 from gNB %"PRIu8"\n", ctxt_pP->module_id, ctxt_pP->frame, gNB_index ); //dump_sib13(SI_info->sib13); // adding here function to store necessary parameters for using in decode_MCCH_Message + maybe transfer to PHY layer LOG_I(RRC, "[FRAME %05"PRIu32"][RRC_UE][MOD %02"PRIu8"][][--- MAC_CONFIG_REQ (SIB13 params gNB %"PRIu8") --->][MAC_UE][MOD %02"PRIu8"][]\n", ctxt_pP->frame, ctxt_pP->module_id, gNB_index, ctxt_pP->module_id); // TODO rrc_mac_config_req_ue } break; case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib14_v1610: if ((SI_info->SIStatus & 8192) == 0) { SI_info->SIStatus |= 8192; new_sib=1; memcpy(SI_info->sib12, typeandinfo->choice.sib14_v1610, sizeof(NR_SIB14_r16_t)); LOG_I(RRC, "[UE %"PRIu8"] Frame %"PRIu32" Found SIB14 from gNB %"PRIu8"\n", ctxt_pP->module_id, ctxt_pP->frame, gNB_index); } break; default: break; } if (new_sib == 1) { SI_info->SIcnt++; if (SI_info->SIcnt == sib1->si_SchedulingInfo->schedulingInfoList.list.count) nr_rrc_set_sub_state(ctxt_pP->module_id, RRC_SUB_STATE_IDLE_SIB_COMPLETE_NR); LOG_I(NR_RRC,"SIStatus %x, SIcnt %d/%d\n", SI_info->SIStatus, SI_info->SIcnt, sib1->si_SchedulingInfo->schedulingInfoList.list.count); } } //if (new_sib == 1) { // NR_UE_rrc_inst[ctxt_pP->module_id].Info[gNB_index].SIcnt++; // if (NR_UE_rrc_inst[ctxt_pP->module_id].Info[gNB_index].SIcnt == sib1->schedulingInfoList.list.count) // rrc_set_sub_state( ctxt_pP->module_id, RRC_SUB_STATE_IDLE_SIB_COMPLETE ); // LOG_I(NR_RRC, "SIStatus %x, SIcnt %d/%d\n", // NR_UE_rrc_inst[ctxt_pP->module_id].Info[gNB_index].SIStatus, // NR_UE_rrc_inst[ctxt_pP->module_id].Info[gNB_index].SIcnt, // sib1->schedulingInfoList.list.count); //} VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RRC_UE_DECODE_SI, VCD_FUNCTION_OUT); return 0; } static int8_t check_requested_SI_List(module_id_t module_id, BIT_STRING_t requested_SI_List, NR_SIB1_t sib1) { if(sib1.si_SchedulingInfo) { bool SIB_to_request[32] = {}; LOG_D(RRC, "SIBs broadcasting: "); for(int i = 0; i < sib1.si_SchedulingInfo->schedulingInfoList.list.array[0]->sib_MappingInfo.list.count; i++) { LOG_D(RRC, "SIB%li ", sib1.si_SchedulingInfo->schedulingInfoList.list.array[0]->sib_MappingInfo.list.array[i]->type + 2); } LOG_D(RRC, "\n"); LOG_D(RRC, "SIBs needed by UE: "); for(int j = 0; j < 8*requested_SI_List.size; j++) { if( ((requested_SI_List.buf[j/8]>>(j%8))&1) == 1) { LOG_D(RRC, "SIB%i ", j + 2); SIB_to_request[j] = true; for(int i = 0; i < sib1.si_SchedulingInfo->schedulingInfoList.list.array[0]->sib_MappingInfo.list.count; i++) { if(sib1.si_SchedulingInfo->schedulingInfoList.list.array[0]->sib_MappingInfo.list.array[i]->type == j) { SIB_to_request[j] = false; break; } } } } LOG_D(RRC, "\n"); LOG_D(RRC, "SIBs to request by UE: "); bool do_ra = false; for(int j = 0; j < 8*requested_SI_List.size; j++) { if(SIB_to_request[j]) { LOG_D(RRC, "SIB%i ", j + 2); do_ra = true; } } LOG_D(RRC, "\n"); if(do_ra) { NR_UE_rrc_inst[module_id].ra_trigger = REQUEST_FOR_OTHER_SI; get_softmodem_params()->do_ra = 1; if(sib1.si_SchedulingInfo->si_RequestConfig) { LOG_D(RRC, "Trigger contention-free RA procedure (ra_trigger = %i)\n", NR_UE_rrc_inst[module_id].ra_trigger); } else { LOG_D(RRC, "Trigger contention-based RA procedure (ra_trigger = %i)\n", NR_UE_rrc_inst[module_id].ra_trigger); } } } return 0; } int8_t nr_rrc_ue_generate_ra_msg(module_id_t module_id, uint8_t gNB_index) { switch(NR_UE_rrc_inst[module_id].ra_trigger){ case INITIAL_ACCESS_FROM_RRC_IDLE: // After SIB1 is received, prepare RRCConnectionRequest nr_rrc_ue_generate_RRCSetupRequest(module_id,gNB_index); break; case RRC_CONNECTION_REESTABLISHMENT: AssertFatal(1==0, "ra_trigger not implemented yet!\n"); break; case DURING_HANDOVER: AssertFatal(1==0, "ra_trigger not implemented yet!\n"); break; case NON_SYNCHRONISED: AssertFatal(1==0, "ra_trigger not implemented yet!\n"); break; case TRANSITION_FROM_RRC_INACTIVE: AssertFatal(1==0, "ra_trigger not implemented yet!\n"); break; case TO_ESTABLISH_TA: AssertFatal(1==0, "ra_trigger not implemented yet!\n"); break; case REQUEST_FOR_OTHER_SI: AssertFatal(1==0, "ra_trigger not implemented yet!\n"); break; case BEAM_FAILURE_RECOVERY: AssertFatal(1==0, "ra_trigger not implemented yet!\n"); break; default: AssertFatal(1==0, "Invalid ra_trigger value!\n"); break; } return 0; } int8_t nr_rrc_ue_decode_NR_BCCH_DL_SCH_Message(module_id_t module_id, const uint8_t gNB_index, uint8_t *const Sdu, const uint8_t Sdu_len, const uint8_t rsrq, const uint8_t rsrp) { NR_BCCH_DL_SCH_Message_t *bcch_message = NULL; NR_UE_RRC_SI_INFO *SI_info = &NR_UE_rrc_inst[module_id].SInfo[gNB_index]; NR_SIB1_t *sib1 = SI_info->sib1; VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_DECODE_BCCH, VCD_FUNCTION_IN); if (((SI_info->SIStatus & 1) == 1) && sib1->si_SchedulingInfo &&// SIB1 received (SI_info->SIcnt == sib1->si_SchedulingInfo->schedulingInfoList.list.count)) { // to prevent memory bloating VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_DECODE_BCCH, VCD_FUNCTION_OUT); return 0; } nr_rrc_set_sub_state(module_id, RRC_SUB_STATE_IDLE_RECEIVING_SIB_NR); asn_dec_rval_t dec_rval = uper_decode_complete(NULL, &asn_DEF_NR_BCCH_DL_SCH_Message, (void **)&bcch_message, (const void *)Sdu, Sdu_len); if (LOG_DEBUGFLAG(DEBUG_ASN1)) { xer_fprint(stdout, &asn_DEF_NR_BCCH_DL_SCH_Message,(void *)bcch_message); } if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) { LOG_E(NR_RRC, "[UE %"PRIu8"] Failed to decode BCCH_DLSCH_MESSAGE (%zu bits)\n", module_id, dec_rval.consumed); log_dump(NR_RRC, Sdu, Sdu_len, LOG_DUMP_CHAR," Received bytes:\n"); // free the memory SEQUENCE_free( &asn_DEF_NR_BCCH_DL_SCH_Message, (void *)bcch_message, 1 ); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_UE_DECODE_BCCH, VCD_FUNCTION_OUT ); return -1; } if (bcch_message->message.present == NR_BCCH_DL_SCH_MessageType_PR_c1) { switch (bcch_message->message.choice.c1->present) { case NR_BCCH_DL_SCH_MessageType__c1_PR_systemInformationBlockType1: if ((SI_info->SIStatus & 1) == 0) { if(sib1 != NULL) { SEQUENCE_free(&asn_DEF_NR_SIB1, (void *)sib1, 1); } SI_info->SIStatus |= 1; sib1 = bcch_message->message.choice.c1->choice.systemInformationBlockType1; if (*(int64_t*)sib1 != 1) { SI_info->sib1 = sib1; if(g_log->log_component[NR_RRC].level >= OAILOG_DEBUG) { xer_fprint(stdout, &asn_DEF_NR_SIB1, (const void *) SI_info->sib1); } LOG_A(NR_RRC, "SIB1 decoded\n"); /// dump_SIB1(); // FIXME: improve condition for the RA trigger // Check for on-demand not broadcasted SI check_requested_SI_List(module_id, NR_UE_rrc_inst[module_id].requested_SI_List, *sib1); if(nr_rrc_get_state(module_id) <= RRC_STATE_IDLE_NR) { NR_UE_rrc_inst[module_id].ra_trigger = INITIAL_ACCESS_FROM_RRC_IDLE; LOG_D(PHY,"Setting state to RRC_STATE_IDLE_NR\n"); nr_rrc_set_state (module_id, RRC_STATE_IDLE_NR); } // configure timers and constant nr_rrc_set_sib1_timers_and_constants(&NR_UE_rrc_inst[module_id].timers_and_constants, sib1); // take ServingCellConfigCommon and configure L1/L2 NR_UE_rrc_inst[module_id].servingCellConfigCommonSIB = sib1->servingCellConfigCommon; nr_rrc_mac_config_req_sib1(module_id, 0, sib1->servingCellConfigCommon); nr_rrc_ue_generate_ra_msg(module_id, gNB_index); } else { LOG_E(NR_RRC, "SIB1 not decoded\n"); } } break; case NR_BCCH_DL_SCH_MessageType__c1_PR_systemInformation: if ((SI_info->SIStatus & 1) == 1) { LOG_W(NR_RRC, "Decoding SI not implemented yet\n"); // TODO: Decode SI /* // SIB1 with schedulingInfoList is available NR_SystemInformation_t *si = NR_UE_rrc_inst[module_id].si[gNB_index]; memcpy( si, bcch_message->message.choice.c1->choice.systemInformation, sizeof(NR_SystemInformation_t) ); LOG_I(NR_RRC, "[UE %"PRIu8"] Decoding SI\n", module_id); nr_decode_SI( ctxt_pP, gNB_index ); if (nfapi_mode == 3) UE_mac_inst[ctxt_pP->module_id].SI_Decoded = 1; */ } break; case NR_BCCH_DL_SCH_MessageType__c1_PR_NOTHING: default: break; } } if (nr_rrc_get_sub_state(module_id) == RRC_SUB_STATE_IDLE_SIB_COMPLETE_NR) { //if ( (NR_UE_rrc_inst[ctxt_pP->module_id].initialNasMsg.data != NULL) || (!get_softmodem_params()->sa)) { nr_rrc_ue_generate_RRCSetupRequest(module_id, 0); nr_rrc_set_sub_state(module_id, RRC_SUB_STATE_IDLE_CONNECTING_NR); //} } VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_UE_DECODE_BCCH, VCD_FUNCTION_OUT ); return 0; } void nr_rrc_ue_process_masterCellGroup(const protocol_ctxt_t *const ctxt_pP, uint8_t gNB_index, OCTET_STRING_t *masterCellGroup, long *fullConfig) { NR_CellGroupConfig_t *cellGroupConfig = NULL; uper_decode(NULL, &asn_DEF_NR_CellGroupConfig, //might be added prefix later (void **)&cellGroupConfig, (uint8_t *)masterCellGroup->buf, masterCellGroup->size, 0, 0); if (LOG_DEBUGFLAG(DEBUG_ASN1)) { xer_fprint(stdout, &asn_DEF_NR_CellGroupConfig, (const void *) cellGroupConfig); } NR_UE_RRC_INST_t *rrc = &NR_UE_rrc_inst[ctxt_pP->module_id]; if(rrc->cell_group_config == NULL){ rrc->cell_group_config = calloc(1,sizeof(NR_CellGroupConfig_t)); } if(cellGroupConfig->rlc_BearerToReleaseList != NULL){ //TODO (perform RLC bearer release as specified in 5.3.5.5.3) } if(cellGroupConfig->rlc_BearerToAddModList != NULL){ //TODO (perform the RLC bearer addition/modification as specified in 5.3.5.5.4) if(rrc->cell_group_config->rlc_BearerToAddModList != NULL){ // Laurent: there are cases where the not NULL value is also not coming from a previous malloc // so it is better to let the potential memory leak than corrupting the heap //free(rrc->cell_group_config->rlc_BearerToAddModList); } rrc->cell_group_config->rlc_BearerToAddModList = calloc(1, sizeof(struct NR_CellGroupConfig__rlc_BearerToAddModList)); memcpy(rrc->cell_group_config->rlc_BearerToAddModList,cellGroupConfig->rlc_BearerToAddModList, sizeof(struct NR_CellGroupConfig__rlc_BearerToAddModList)); } if(cellGroupConfig->mac_CellGroupConfig != NULL){ //TODO (configure the MAC entity of this cell group as specified in 5.3.5.5.5) LOG_I(RRC, "Received mac_CellGroupConfig from gNB\n"); if(rrc->cell_group_config->mac_CellGroupConfig != NULL){ LOG_E(RRC, "UE RRC instance already contains mac CellGroupConfig which will be overwritten\n"); // Laurent: there are cases where the not NULL value is also not coming from a previous malloc // so it is better to let the potential memory leak than corrupting the heap //free(rrc->cell_group_config->mac_CellGroupConfig); } rrc->cell_group_config->mac_CellGroupConfig = malloc(sizeof(struct NR_MAC_CellGroupConfig)); memcpy(rrc->cell_group_config->mac_CellGroupConfig,cellGroupConfig->mac_CellGroupConfig, sizeof(struct NR_MAC_CellGroupConfig)); } if(cellGroupConfig->sCellToReleaseList != NULL) { //TODO (perform SCell release as specified in 5.3.5.5.8) } if(cellGroupConfig->spCellConfig != NULL) { configure_spcell(rrc, cellGroupConfig->spCellConfig); // TS 38.331 - Section 5.3.5.5.2 Reconfiguration with sync if (cellGroupConfig->spCellConfig->reconfigurationWithSync != NULL) { if(fullConfig) set_default_timers_and_constants(&rrc->timers_and_constants); LOG_A(NR_RRC, "Received the reconfigurationWithSync in %s\n", __FUNCTION__); NR_ReconfigurationWithSync_t *reconfigurationWithSync = cellGroupConfig->spCellConfig->reconfigurationWithSync; nr_rrc_set_T304(&rrc->timers_and_constants, reconfigurationWithSync); } if (rrc->cell_group_config && rrc->cell_group_config->spCellConfig) { memcpy(rrc->cell_group_config->spCellConfig,cellGroupConfig->spCellConfig, sizeof(struct NR_SpCellConfig)); } else { if (rrc->cell_group_config) rrc->cell_group_config->spCellConfig = cellGroupConfig->spCellConfig; else rrc->cell_group_config = cellGroupConfig; } LOG_D(RRC,"Sending CellGroupConfig to MAC\n"); nr_rrc_mac_config_req_mcg(ctxt_pP->module_id, 0, cellGroupConfig); } if(fullConfig) // full configuration after re-establishment or during RRC resume nr_rrc_set_sib1_timers_and_constants(&rrc->timers_and_constants, rrc->SInfo[gNB_index].sib1); if( cellGroupConfig->sCellToAddModList != NULL){ //TODO (perform SCell addition/modification as specified in 5.3.5.5.9) } if(cellGroupConfig->ext2 != NULL && cellGroupConfig->ext2->bh_RLC_ChannelToReleaseList_r16 != NULL){ //TODO (perform the BH RLC channel addition/modification as specified in 5.3.5.5.11) } if(cellGroupConfig->ext2 != NULL && cellGroupConfig->ext2->bh_RLC_ChannelToAddModList_r16 != NULL){ //TODO (perform the BH RLC channel addition/modification as specified in 5.3.5.5.11) } } void configure_spcell(NR_UE_RRC_INST_t *rrc, NR_SpCellConfig_t *spcell_config) { nr_rrc_handle_SetupRelease_RLF_TimersAndConstants(rrc, spcell_config->rlf_TimersAndConstants); if(spcell_config->spCellConfigDedicated) { NR_ServingCellConfig_t *scd = spcell_config->spCellConfigDedicated; if(scd->firstActiveDownlinkBWP_Id) { if(*scd->firstActiveDownlinkBWP_Id == 0) rrc->bwpd = scd->initialDownlinkBWP; else { AssertFatal(scd->downlinkBWP_ToAddModList, "No DL BWP list configured\n"); const struct NR_ServingCellConfig__downlinkBWP_ToAddModList *bwpList = scd->downlinkBWP_ToAddModList; NR_BWP_Downlink_t *dl_bwp = NULL; for (int i = 0; i < bwpList->list.count; i++) { dl_bwp = bwpList->list.array[i]; if(dl_bwp->bwp_Id == *scd->firstActiveDownlinkBWP_Id) break; } AssertFatal(dl_bwp != NULL,"Couldn't find DLBWP corresponding to BWP ID %ld\n", *scd->firstActiveDownlinkBWP_Id); rrc->bwpd = dl_bwp->bwp_Dedicated; } // if any of the reference signal(s) that are used for radio link monitoring are reconfigured by the received spCellConfigDedicated // reset RLF timers and constants if (rrc->bwpd->radioLinkMonitoringConfig) reset_rlf_timers_and_constants(&rrc->timers_and_constants); } if(scd->uplinkConfig && scd->uplinkConfig->firstActiveUplinkBWP_Id) { if(*scd->uplinkConfig->firstActiveUplinkBWP_Id == 0) rrc->ubwpd = scd->uplinkConfig->initialUplinkBWP; else { AssertFatal(scd->uplinkConfig->uplinkBWP_ToAddModList, "No UL BWP list configured\n"); const struct NR_UplinkConfig__uplinkBWP_ToAddModList *ubwpList = scd->uplinkConfig->uplinkBWP_ToAddModList; NR_BWP_Uplink_t *ul_bwp = NULL; for (int i = 0; i < ubwpList->list.count; i++) { ul_bwp = ubwpList->list.array[i]; if(ul_bwp->bwp_Id == *scd->uplinkConfig->firstActiveUplinkBWP_Id) break; } AssertFatal(ul_bwp != NULL,"Couldn't find DLBWP corresponding to BWP ID %ld\n", *scd->uplinkConfig->firstActiveUplinkBWP_Id); rrc->ubwpd = ul_bwp->bwp_Dedicated; } } } } /*--------------------------------------------------*/ static void rrc_ue_generate_RRCSetupComplete( const protocol_ctxt_t *const ctxt_pP, const uint8_t gNB_index, const uint8_t Transaction_id, uint8_t sel_plmn_id){ uint8_t buffer[100]; uint8_t size; const char *nas_msg; int nas_msg_length; if (get_softmodem_params()->sa) { as_nas_info_t initialNasMsg; nr_ue_nas_t *nas = get_ue_nas_info(ctxt_pP->module_id); generateRegistrationRequest(&initialNasMsg, nas); nas_msg = (char*)initialNasMsg.data; nas_msg_length = initialNasMsg.length; } else { nas_msg = nr_nas_attach_req_imsi; nas_msg_length = sizeof(nr_nas_attach_req_imsi); } size = do_RRCSetupComplete(ctxt_pP->module_id, buffer, sizeof(buffer), Transaction_id, sel_plmn_id, nas_msg_length, nas_msg); LOG_I(NR_RRC,"[UE %d][RAPROC] Frame %d : Logical Channel UL-DCCH (SRB1), Generating RRCSetupComplete (bytes%d, gNB %d)\n", ctxt_pP->module_id,ctxt_pP->frame, size, gNB_index); LOG_D(NR_RRC, "[FRAME %05d][RRC_UE][MOD %02d][][--- PDCP_DATA_REQ/%d Bytes (RRCSetupComplete to gNB %d MUI %d) --->][PDCP][MOD %02d][RB %02d]\n", ctxt_pP->frame, ctxt_pP->module_id, size, gNB_index, nr_rrc_mui, ctxt_pP->module_id + NB_eNB_INST, DCCH); //for (int i=0;i<size;i++) printf("%02x ",buffer[i]); //printf("\n"); nr_pdcp_data_req_srb(ctxt_pP->rntiMaybeUEid, DCCH, nr_rrc_mui++, size, buffer, deliver_pdu_srb_rlc, NULL); } int8_t nr_rrc_ue_decode_ccch( const protocol_ctxt_t *const ctxt_pP, const NR_SRB_INFO *const Srb_info, const uint8_t gNB_index ){ NR_DL_CCCH_Message_t *dl_ccch_msg=NULL; asn_dec_rval_t dec_rval; int rval=0; VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_DECODE_CCCH, VCD_FUNCTION_IN); LOG_D(RRC,"[NR UE%d] Decoding DL-CCCH message (%d bytes), State %d\n",ctxt_pP->module_id,Srb_info->Rx_buffer.payload_size, NR_UE_rrc_inst[ctxt_pP->module_id].nrRrcState); dec_rval = uper_decode(NULL, &asn_DEF_NR_DL_CCCH_Message, (void **)&dl_ccch_msg, (uint8_t *)Srb_info->Rx_buffer.Payload, Srb_info->Rx_buffer.payload_size,0,0); // if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) { xer_fprint(stdout,&asn_DEF_NR_DL_CCCH_Message,(void *)dl_ccch_msg); // } if ((dec_rval.code != RC_OK) && (dec_rval.consumed==0)) { LOG_E(RRC,"[UE %d] Frame %d : Failed to decode DL-CCCH-Message (%zu bytes)\n",ctxt_pP->module_id,ctxt_pP->frame,dec_rval.consumed); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_DECODE_CCCH, VCD_FUNCTION_OUT); return -1; } if (dl_ccch_msg->message.present == NR_DL_CCCH_MessageType_PR_c1) { if (NR_UE_rrc_inst[ctxt_pP->module_id].SInfo[gNB_index].SIStatus > 0) { switch (dl_ccch_msg->message.choice.c1->present) { case NR_DL_CCCH_MessageType__c1_PR_NOTHING: LOG_I(NR_RRC, "[UE%d] Frame %d : Received PR_NOTHING on DL-CCCH-Message\n", ctxt_pP->module_id, ctxt_pP->frame); rval = 0; break; case NR_DL_CCCH_MessageType__c1_PR_rrcReject: LOG_I(NR_RRC, "[UE%d] Frame %d : Logical Channel DL-CCCH (SRB0), Received RRCReject \n", ctxt_pP->module_id, ctxt_pP->frame); rval = 0; break; case NR_DL_CCCH_MessageType__c1_PR_rrcSetup: LOG_I(NR_RRC, "[UE%d][RAPROC] Frame %d : Logical Channel DL-CCCH (SRB0), Received NR_RRCSetup RNTI %lx\n", ctxt_pP->module_id, ctxt_pP->frame, ctxt_pP->rntiMaybeUEid); // Get configuration // Release T300 timer NR_UE_rrc_inst[ctxt_pP->module_id].timers_and_constants.T300_active = 0; nr_rrc_ue_process_masterCellGroup(ctxt_pP, gNB_index, &dl_ccch_msg->message.choice.c1->choice.rrcSetup->criticalExtensions.choice.rrcSetup->masterCellGroup, NULL); nr_rrc_ue_process_RadioBearerConfig(ctxt_pP, gNB_index, &dl_ccch_msg->message.choice.c1->choice.rrcSetup->criticalExtensions.choice.rrcSetup->radioBearerConfig); nr_rrc_set_state(ctxt_pP->module_id, RRC_STATE_CONNECTED_NR); nr_rrc_set_sub_state(ctxt_pP->module_id, RRC_SUB_STATE_CONNECTED_NR); NR_UE_rrc_inst[ctxt_pP->module_id].rnti = ctxt_pP->rntiMaybeUEid; rrc_ue_generate_RRCSetupComplete(ctxt_pP, gNB_index, dl_ccch_msg->message.choice.c1->choice.rrcSetup->rrc_TransactionIdentifier, NR_UE_rrc_inst[ctxt_pP->module_id].selected_plmn_identity); rval = 0; break; default: LOG_E(NR_RRC, "[UE%d] Frame %d : Unknown message\n", ctxt_pP->module_id, ctxt_pP->frame); rval = -1; break; } } } VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_DECODE_CCCH, VCD_FUNCTION_OUT); return rval; } // 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; MessageDef *msg_p; 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)) { for (i=0; i<buffer_len; i++) LOG_D(NR_RRC, "%02x ",bufferP[i]); LOG_D(NR_RRC, "\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(module_id,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_rrcResume: case NR_DL_DCCH_MessageType__c1_PR_rrcRelease: msg_p = itti_alloc_new_message(TASK_RRC_NRUE, 0, NAS_CONN_RELEASE_IND); if((nr_dl_dcch_msg->message.choice.c1->choice.rrcRelease->criticalExtensions.present == NR_RRCRelease__criticalExtensions_PR_rrcRelease) && (nr_dl_dcch_msg->message.choice.c1->present == NR_DL_DCCH_MessageType__c1_PR_rrcRelease)){ nr_dl_dcch_msg->message.choice.c1->choice.rrcRelease->criticalExtensions.choice.rrcRelease->deprioritisationReq->deprioritisationTimer = NR_RRCRelease_IEs__deprioritisationReq__deprioritisationTimer_min5; nr_dl_dcch_msg->message.choice.c1->choice.rrcRelease->criticalExtensions.choice.rrcRelease->deprioritisationReq->deprioritisationType = NR_RRCRelease_IEs__deprioritisationReq__deprioritisationType_frequency; } itti_send_msg_to_task(TASK_RRC_NRUE,module_id,msg_p); break; case NR_DL_DCCH_MessageType__c1_PR_rrcReestablishment: case NR_DL_DCCH_MessageType__c1_PR_securityModeCommand: case NR_DL_DCCH_MessageType__c1_PR_dlInformationTransfer: case NR_DL_DCCH_MessageType__c1_PR_ueCapabilityEnquiry: case NR_DL_DCCH_MessageType__c1_PR_counterCheck: case NR_DL_DCCH_MessageType__c1_PR_mobilityFromNRCommand: case NR_DL_DCCH_MessageType__c1_PR_dlDedicatedMessageSegment_r16: case NR_DL_DCCH_MessageType__c1_PR_ueInformationRequest_r16: case NR_DL_DCCH_MessageType__c1_PR_dlInformationTransferMRDC_r16: case NR_DL_DCCH_MessageType__c1_PR_loggedMeasurementConfiguration_r16: 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 supported or unused break; } break; case NR_DL_DCCH_MessageType_PR_NOTHING: case NR_DL_DCCH_MessageType_PR_messageClassExtension: default: // not supported or unused break; } // release memory allocation SEQUENCE_free( &asn_DEF_NR_DL_DCCH_Message, (void *)nr_dl_dcch_msg, 1 ); }else{ // log.. } return 0; } //----------------------------------------------------------------------------- void nr_rrc_ue_process_securityModeCommand( const protocol_ctxt_t *const ctxt_pP, NR_SecurityModeCommand_t *const securityModeCommand, const uint8_t gNB_index ) //----------------------------------------------------------------------------- { asn_enc_rval_t enc_rval; NR_UL_DCCH_Message_t ul_dcch_msg; uint8_t buffer[200]; int i, securityMode; LOG_I(NR_RRC,"[UE %d] SFN/SF %d/%d: Receiving from SRB1 (DL-DCCH), Processing securityModeCommand (eNB %d)\n", ctxt_pP->module_id,ctxt_pP->frame, ctxt_pP->subframe, gNB_index); switch (securityModeCommand->criticalExtensions.choice.securityModeCommand->securityConfigSMC.securityAlgorithmConfig.cipheringAlgorithm) { case NR_CipheringAlgorithm_nea0: LOG_I(NR_RRC,"[UE %d] Security algorithm is set to nea0\n", ctxt_pP->module_id); securityMode= NR_CipheringAlgorithm_nea0; break; case NR_CipheringAlgorithm_nea1: LOG_I(NR_RRC,"[UE %d] Security algorithm is set to nea1\n",ctxt_pP->module_id); securityMode= NR_CipheringAlgorithm_nea1; break; case NR_CipheringAlgorithm_nea2: LOG_I(NR_RRC,"[UE %d] Security algorithm is set to nea2\n", ctxt_pP->module_id); securityMode = NR_CipheringAlgorithm_nea2; break; default: LOG_I(NR_RRC,"[UE %d] Security algorithm is set to none\n",ctxt_pP->module_id); securityMode = NR_CipheringAlgorithm_spare1; break; } NR_UE_rrc_inst[ctxt_pP->module_id].cipheringAlgorithm = securityModeCommand->criticalExtensions.choice.securityModeCommand->securityConfigSMC.securityAlgorithmConfig.cipheringAlgorithm; if (securityModeCommand->criticalExtensions.choice.securityModeCommand->securityConfigSMC.securityAlgorithmConfig.integrityProtAlgorithm != NULL) { switch (*securityModeCommand->criticalExtensions.choice.securityModeCommand->securityConfigSMC.securityAlgorithmConfig.integrityProtAlgorithm) { case NR_IntegrityProtAlgorithm_nia1: LOG_I(NR_RRC,"[UE %d] Integrity protection algorithm is set to nia1\n",ctxt_pP->module_id); securityMode |= 1 << 5; break; case NR_IntegrityProtAlgorithm_nia2: LOG_I(NR_RRC,"[UE %d] Integrity protection algorithm is set to nia2\n",ctxt_pP->module_id); securityMode |= 1 << 6; break; default: LOG_I(NR_RRC,"[UE %d] Integrity protection algorithm is set to none\n",ctxt_pP->module_id); securityMode |= 0x70 ; break; } NR_UE_rrc_inst[ctxt_pP->module_id].integrityProtAlgorithm = *securityModeCommand->criticalExtensions.choice.securityModeCommand->securityConfigSMC.securityAlgorithmConfig.integrityProtAlgorithm; } LOG_D(NR_RRC,"[UE %d] security mode is %x \n",ctxt_pP->module_id, securityMode); memset((void *)&ul_dcch_msg,0,sizeof(NR_UL_DCCH_Message_t)); //memset((void *)&SecurityModeCommand,0,sizeof(SecurityModeCommand_t)); ul_dcch_msg.message.present = NR_UL_DCCH_MessageType_PR_c1; ul_dcch_msg.message.choice.c1 = calloc(1, sizeof(*ul_dcch_msg.message.choice.c1)); if (securityMode >= NO_SECURITY_MODE) { LOG_I(NR_RRC, "rrc_ue_process_securityModeCommand, security mode complete case \n"); ul_dcch_msg.message.choice.c1->present = NR_UL_DCCH_MessageType__c1_PR_securityModeComplete; } else { LOG_I(NR_RRC, "rrc_ue_process_securityModeCommand, security mode failure case \n"); ul_dcch_msg.message.choice.c1->present = NR_UL_DCCH_MessageType__c1_PR_securityModeFailure; ul_dcch_msg.message.choice.c1->present = NR_UL_DCCH_MessageType__c1_PR_securityModeComplete; } uint8_t *kRRCenc = NULL; uint8_t *kUPenc = NULL; uint8_t *kRRCint = NULL; nr_derive_key_up_enc(NR_UE_rrc_inst[ctxt_pP->module_id].cipheringAlgorithm, NR_UE_rrc_inst[ctxt_pP->module_id].kgnb, &kUPenc); nr_derive_key_rrc_enc(NR_UE_rrc_inst[ctxt_pP->module_id].cipheringAlgorithm, NR_UE_rrc_inst[ctxt_pP->module_id].kgnb, &kRRCenc); nr_derive_key_rrc_int(NR_UE_rrc_inst[ctxt_pP->module_id].integrityProtAlgorithm, NR_UE_rrc_inst[ctxt_pP->module_id].kgnb, &kRRCint); LOG_I(NR_RRC, "driving kRRCenc, kRRCint and kUPenc from KgNB=" "%02x%02x%02x%02x" "%02x%02x%02x%02x" "%02x%02x%02x%02x" "%02x%02x%02x%02x" "%02x%02x%02x%02x" "%02x%02x%02x%02x" "%02x%02x%02x%02x" "%02x%02x%02x%02x\n", NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[0], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[1], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[2], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[3], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[4], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[5], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[6], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[7], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[8], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[9], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[10], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[11], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[12], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[13], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[14], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[15], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[16], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[17], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[18], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[19], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[20], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[21], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[22], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[23], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[24], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[25], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[26], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[27], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[28], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[29], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[30], NR_UE_rrc_inst[ctxt_pP->module_id].kgnb[31]); if (securityMode != 0xff) { uint8_t security_mode = NR_UE_rrc_inst[ctxt_pP->module_id].cipheringAlgorithm | (NR_UE_rrc_inst[ctxt_pP->module_id].integrityProtAlgorithm << 4); nr_pdcp_config_set_security(ctxt_pP->rntiMaybeUEid, DCCH, security_mode, kRRCenc, kRRCint, kUPenc); } else { LOG_I(NR_RRC, "skipped pdcp_config_set_security() as securityMode == 0x%02x", securityMode); } if (securityModeCommand->criticalExtensions.present == NR_SecurityModeCommand__criticalExtensions_PR_securityModeCommand) { ul_dcch_msg.message.choice.c1->choice.securityModeComplete = CALLOC(1, sizeof(NR_SecurityModeComplete_t)); ul_dcch_msg.message.choice.c1->choice.securityModeComplete->rrc_TransactionIdentifier = securityModeCommand->rrc_TransactionIdentifier; ul_dcch_msg.message.choice.c1->choice.securityModeComplete->criticalExtensions.present = NR_SecurityModeComplete__criticalExtensions_PR_securityModeComplete; ul_dcch_msg.message.choice.c1->choice.securityModeComplete->criticalExtensions.choice.securityModeComplete = CALLOC(1, sizeof(NR_SecurityModeComplete_IEs_t)); ul_dcch_msg.message.choice.c1->choice.securityModeComplete->criticalExtensions.choice.securityModeComplete->nonCriticalExtension =NULL; LOG_I(NR_RRC,"[UE %d] SFN/SF %d/%d: Receiving from SRB1 (DL-DCCH), encoding securityModeComplete (gNB %d), rrc_TransactionIdentifier: %ld\n", ctxt_pP->module_id,ctxt_pP->frame, ctxt_pP->subframe, gNB_index, securityModeCommand->rrc_TransactionIdentifier); enc_rval = uper_encode_to_buffer(&asn_DEF_NR_UL_DCCH_Message, NULL, (void *)&ul_dcch_msg, buffer, 100); AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %jd)!\n", enc_rval.failed_type->name, enc_rval.encoded); if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) { xer_fprint(stdout, &asn_DEF_NR_UL_DCCH_Message, (void *)&ul_dcch_msg); } log_dump(MAC, buffer, 16, LOG_DUMP_CHAR, "securityModeComplete payload: "); LOG_D(NR_RRC, "securityModeComplete Encoded %zd bits (%zd bytes)\n", enc_rval.encoded, (enc_rval.encoded+7)/8); for (i = 0; i < (enc_rval.encoded + 7) / 8; i++) { LOG_T(NR_RRC, "%02x.", buffer[i]); } LOG_T(NR_RRC, "\n"); nr_pdcp_data_req_srb(ctxt_pP->rntiMaybeUEid, DCCH, nr_rrc_mui++, (enc_rval.encoded + 7) / 8, buffer, deliver_pdu_srb_rlc, NULL); } else LOG_W(NR_RRC,"securityModeCommand->criticalExtensions.present (%d) != NR_SecurityModeCommand__criticalExtensions_PR_securityModeCommand\n", securityModeCommand->criticalExtensions.present); } //----------------------------------------------------------------------------- void nr_rrc_ue_generate_RRCSetupRequest(module_id_t module_id, const uint8_t gNB_index) { uint8_t i=0,rv[6]; if(NR_UE_rrc_inst[module_id].Srb0[gNB_index].Tx_buffer.payload_size ==0) { // Get RRCConnectionRequest, fill random for now // Generate random byte stream for contention resolution for (i=0; i<6; i++) { #ifdef SMBV // if SMBV is configured the contention resolution needs to be fix for the connection procedure to succeed rv[i]=i; #else rv[i]=taus()&0xff; #endif LOG_T(NR_RRC,"%x.",rv[i]); } LOG_T(NR_RRC,"\n"); NR_UE_rrc_inst[module_id].Srb0[gNB_index].Tx_buffer.payload_size = do_RRCSetupRequest( module_id, (uint8_t *)NR_UE_rrc_inst[module_id].Srb0[gNB_index].Tx_buffer.Payload, sizeof(NR_UE_rrc_inst[module_id].Srb0[gNB_index].Tx_buffer.Payload), rv); LOG_I(NR_RRC,"[UE %d] : Logical Channel UL-CCCH (SRB0), Generating RRCSetupRequest (bytes %d, gNB %d)\n", module_id, NR_UE_rrc_inst[module_id].Srb0[gNB_index].Tx_buffer.payload_size, gNB_index); for (i=0; i<NR_UE_rrc_inst[module_id].Srb0[gNB_index].Tx_buffer.payload_size; i++) { LOG_T(NR_RRC,"%x.",NR_UE_rrc_inst[module_id].Srb0[gNB_index].Tx_buffer.Payload[i]); //printf("%x.",NR_UE_rrc_inst[module_id].Srb0[gNB_index].Tx_buffer.Payload[i]); } LOG_T(NR_RRC,"\n"); //printf("\n"); /*UE_rrc_inst[ue_mod_idP].Srb0[Idx].Tx_buffer.Payload[i] = taus()&0xff; UE_rrc_inst[ue_mod_idP].Srb0[Idx].Tx_buffer.payload_size =i; */ } } //----------------------------------------------------------------------------- int32_t nr_rrc_ue_establish_srb1( module_id_t ue_mod_idP, frame_t frameP, uint8_t gNB_index, NR_SRB_ToAddMod_t *SRB_config ) //----------------------------------------------------------------------------- { // add descriptor from RRC PDU NR_UE_rrc_inst[ue_mod_idP].Srb1[gNB_index].Active = 1; NR_UE_rrc_inst[ue_mod_idP].Srb1[gNB_index].status = RADIO_CONFIG_OK;//RADIO CFG NR_UE_rrc_inst[ue_mod_idP].Srb1[gNB_index].Srb_info.Srb_id = 1; LOG_I(NR_RRC, "[UE %d], CONFIG_SRB1 %d corresponding to gNB_index %d\n", ue_mod_idP, DCCH, gNB_index); return(0); } //----------------------------------------------------------------------------- int32_t nr_rrc_ue_establish_srb2( module_id_t ue_mod_idP, frame_t frameP, uint8_t gNB_index, NR_SRB_ToAddMod_t *SRB_config ) //----------------------------------------------------------------------------- { // add descriptor from RRC PDU NR_UE_rrc_inst[ue_mod_idP].Srb2[gNB_index].Active = 1; NR_UE_rrc_inst[ue_mod_idP].Srb2[gNB_index].status = RADIO_CONFIG_OK;//RADIO CFG NR_UE_rrc_inst[ue_mod_idP].Srb2[gNB_index].Srb_info.Srb_id = 2; LOG_I(NR_RRC, "[UE %d], CONFIG_SRB2 %d corresponding to gNB_index %d\n", ue_mod_idP, DCCH1, gNB_index); return(0); } //----------------------------------------------------------------------------- int32_t nr_rrc_ue_establish_drb( module_id_t ue_mod_idP, frame_t frameP, uint8_t gNB_index, NR_DRB_ToAddMod_t *DRB_config ) //----------------------------------------------------------------------------- { // add descriptor from RRC PDU int oip_ifup = 0, ip_addr_offset3 = 0, ip_addr_offset4 = 0; /* avoid gcc warnings */ (void)oip_ifup; (void)ip_addr_offset3; (void)ip_addr_offset4; LOG_I(NR_RRC,"[UE %d] Frame %d: processing RRCReconfiguration: reconfiguring DRB %ld\n", ue_mod_idP, frameP, DRB_config->drb_Identity); if(!get_softmodem_params()->sa) { ip_addr_offset3 = 0; ip_addr_offset4 = 1; LOG_I(OIP, "[UE %d] trying to bring up the OAI interface %d, IP X.Y.%d.%d\n", ue_mod_idP, ip_addr_offset3+ue_mod_idP, ip_addr_offset3+ue_mod_idP+1, ip_addr_offset4+ue_mod_idP+1); oip_ifup = nas_config(ip_addr_offset3+ue_mod_idP+1, // interface_id UE_NAS_USE_TUN?1:(ip_addr_offset3+ue_mod_idP+1), // third_octet ip_addr_offset4+ue_mod_idP+1, // fourth_octet "oip"); // interface suffix (when using kernel module) if (oip_ifup == 0 && (!UE_NAS_USE_TUN)) { // interface is up --> send a config the DRB LOG_I(OIP, "[UE %d] Config the ue net interface %d to send/receive pkt on DRB %ld to/from the protocol stack\n", ue_mod_idP, ip_addr_offset3+ue_mod_idP, (long int)((gNB_index * NR_maxDRB) + DRB_config->drb_Identity)); rb_conf_ipv4(0,//add ue_mod_idP,//cx align with the UE index ip_addr_offset3+ue_mod_idP,//inst num_enb+ue_index (gNB_index * NR_maxDRB) + DRB_config->drb_Identity,//rb 0,//dscp ipv4_address(ip_addr_offset3+ue_mod_idP+1, ip_addr_offset4+ue_mod_idP+1),//saddr ipv4_address(ip_addr_offset3+ue_mod_idP+1, gNB_index+1));//daddr LOG_D(NR_RRC,"[UE %d] State = Attached (gNB %d)\n",ue_mod_idP,gNB_index); } } return(0); } //----------------------------------------------------------------------------- void nr_rrc_ue_process_measConfig( const protocol_ctxt_t *const ctxt_pP, const uint8_t gNB_index, NR_MeasConfig_t *const measConfig ) //----------------------------------------------------------------------------- { int i; long ind; NR_MeasObjectToAddMod_t *measObj = NULL; NR_ReportConfigToAddMod_t *reportConfig = NULL; if (measConfig->measObjectToRemoveList != NULL) { for (i = 0; i < measConfig->measObjectToRemoveList->list.count; i++) { ind = *measConfig->measObjectToRemoveList->list.array[i]; free(NR_UE_rrc_inst[ctxt_pP->module_id].MeasObj[gNB_index][ind-1]); } } if (measConfig->measObjectToAddModList != NULL) { LOG_I(NR_RRC, "Measurement Object List is present\n"); for (i = 0; i < measConfig->measObjectToAddModList->list.count; i++) { measObj = measConfig->measObjectToAddModList->list.array[i]; ind = measConfig->measObjectToAddModList->list.array[i]->measObjectId; if (NR_UE_rrc_inst[ctxt_pP->module_id].MeasObj[gNB_index][ind-1]) { LOG_D(NR_RRC, "Modifying measurement object %ld\n",ind); memcpy((char *)NR_UE_rrc_inst[ctxt_pP->module_id].MeasObj[gNB_index][ind-1], (char *)measObj, sizeof(NR_MeasObjectToAddMod_t)); } else { LOG_I(NR_RRC, "Adding measurement object %ld\n", ind); if (measObj->measObject.present == NR_MeasObjectToAddMod__measObject_PR_measObjectNR) { NR_UE_rrc_inst[ctxt_pP->module_id].MeasObj[gNB_index][ind-1]=measObj; } } } LOG_I(NR_RRC, "call rrc_mac_config_req \n"); // rrc_mac_config_req_ue } if (measConfig->reportConfigToRemoveList != NULL) { for (i = 0; i < measConfig->reportConfigToRemoveList->list.count; i++) { ind = *measConfig->reportConfigToRemoveList->list.array[i]; free(NR_UE_rrc_inst[ctxt_pP->module_id].ReportConfig[gNB_index][ind-1]); } } if (measConfig->reportConfigToAddModList != NULL) { LOG_I(NR_RRC,"Report Configuration List is present\n"); for (i = 0; i < measConfig->reportConfigToAddModList->list.count; i++) { ind = measConfig->reportConfigToAddModList->list.array[i]->reportConfigId; reportConfig = measConfig->reportConfigToAddModList->list.array[i]; if (NR_UE_rrc_inst[ctxt_pP->module_id].ReportConfig[gNB_index][ind-1]) { LOG_I(NR_RRC, "Modifying Report Configuration %ld\n", ind-1); memcpy((char *)NR_UE_rrc_inst[ctxt_pP->module_id].ReportConfig[gNB_index][ind-1], (char *)measConfig->reportConfigToAddModList->list.array[i], sizeof(NR_ReportConfigToAddMod_t)); } else { LOG_D(NR_RRC,"Adding Report Configuration %ld %p \n", ind-1, measConfig->reportConfigToAddModList->list.array[i]); if (reportConfig->reportConfig.present == NR_ReportConfigToAddMod__reportConfig_PR_reportConfigNR) { NR_UE_rrc_inst[ctxt_pP->module_id].ReportConfig[gNB_index][ind-1] = measConfig->reportConfigToAddModList->list.array[i]; } } } } if (measConfig->measIdToRemoveList != NULL) { for (i = 0; i < measConfig->measIdToRemoveList->list.count; i++) { ind = *measConfig->measIdToRemoveList->list.array[i]; free(NR_UE_rrc_inst[ctxt_pP->module_id].MeasId[gNB_index][ind-1]); } } if (measConfig->measIdToAddModList != NULL) { for (i = 0; i < measConfig->measIdToAddModList->list.count; i++) { ind = measConfig->measIdToAddModList->list.array[i]->measId; if (NR_UE_rrc_inst[ctxt_pP->module_id].MeasId[gNB_index][ind-1]) { LOG_D(NR_RRC, "Modifying Measurement ID %ld\n",ind-1); memcpy((char *)NR_UE_rrc_inst[ctxt_pP->module_id].MeasId[gNB_index][ind-1], (char *)measConfig->measIdToAddModList->list.array[i], sizeof(NR_MeasIdToAddMod_t)); } else { LOG_D(NR_RRC, "Adding Measurement ID %ld %p\n", ind-1, measConfig->measIdToAddModList->list.array[i]); NR_UE_rrc_inst[ctxt_pP->module_id].MeasId[gNB_index][ind-1] = measConfig->measIdToAddModList->list.array[i]; } } } if (measConfig->quantityConfig != NULL) { if (NR_UE_rrc_inst[ctxt_pP->module_id].QuantityConfig[gNB_index]) { LOG_D(NR_RRC,"Modifying Quantity Configuration \n"); memcpy((char *)NR_UE_rrc_inst[ctxt_pP->module_id].QuantityConfig[gNB_index], (char *)measConfig->quantityConfig, sizeof(NR_QuantityConfig_t)); } else { LOG_D(NR_RRC, "Adding Quantity configuration\n"); NR_UE_rrc_inst[ctxt_pP->module_id].QuantityConfig[gNB_index] = measConfig->quantityConfig; } } if (measConfig->measGapConfig != NULL) { if (NR_UE_rrc_inst[ctxt_pP->module_id].measGapConfig[gNB_index]) { memcpy((char *)NR_UE_rrc_inst[ctxt_pP->module_id].measGapConfig[gNB_index], (char *)measConfig->measGapConfig, sizeof(NR_MeasGapConfig_t)); } else { NR_UE_rrc_inst[ctxt_pP->module_id].measGapConfig[gNB_index] = measConfig->measGapConfig; } } if (measConfig->s_MeasureConfig->present == NR_MeasConfig__s_MeasureConfig_PR_ssb_RSRP) { NR_UE_rrc_inst[ctxt_pP->module_id].s_measure = measConfig->s_MeasureConfig->choice.ssb_RSRP; } else if (measConfig->s_MeasureConfig->present == NR_MeasConfig__s_MeasureConfig_PR_csi_RSRP) { NR_UE_rrc_inst[ctxt_pP->module_id].s_measure = measConfig->s_MeasureConfig->choice.csi_RSRP; } } //----------------------------------------------------------------------------- void nr_rrc_ue_process_RadioBearerConfig( const protocol_ctxt_t *const ctxt_pP, const uint8_t gNB_index, NR_RadioBearerConfig_t *const radioBearerConfig ) //----------------------------------------------------------------------------- { long SRB_id, DRB_id; int i, cnt; if( radioBearerConfig->srb3_ToRelease != NULL){ if( *radioBearerConfig->srb3_ToRelease == true){ //TODO (release the PDCP entity and the srb-Identity of the SRB3.) } } NR_UE_RRC_INST_t *ue_rrc = &NR_UE_rrc_inst[ctxt_pP->module_id]; if (radioBearerConfig->srb_ToAddModList != NULL) { if (radioBearerConfig->securityConfig != NULL) { if (*radioBearerConfig->securityConfig->keyToUse == NR_SecurityConfig__keyToUse_master) { ue_rrc->cipheringAlgorithm = radioBearerConfig->securityConfig->securityAlgorithmConfig->cipheringAlgorithm; ue_rrc->integrityProtAlgorithm = *radioBearerConfig->securityConfig->securityAlgorithmConfig->integrityProtAlgorithm; } } uint8_t *kRRCenc = NULL; uint8_t *kRRCint = NULL; nr_derive_key_rrc_enc(ue_rrc->cipheringAlgorithm, ue_rrc->kgnb, &kRRCenc); nr_derive_key_rrc_int(ue_rrc->integrityProtAlgorithm, ue_rrc->kgnb, &kRRCint); // Refresh SRBs nr_pdcp_add_srbs(ctxt_pP->enb_flag, ctxt_pP->rntiMaybeUEid, radioBearerConfig->srb_ToAddModList, ue_rrc->cipheringAlgorithm | (ue_rrc->integrityProtAlgorithm << 4), kRRCenc, kRRCint); // Refresh SRBs nr_rrc_addmod_srbs(ctxt_pP->rntiMaybeUEid, radioBearerConfig->srb_ToAddModList, ue_rrc->cell_group_config->rlc_BearerToAddModList); for (cnt = 0; cnt < radioBearerConfig->srb_ToAddModList->list.count; cnt++) { SRB_id = radioBearerConfig->srb_ToAddModList->list.array[cnt]->srb_Identity; LOG_D(NR_RRC,"[UE %d]: Frame %d SRB config cnt %d (SRB%ld)\n", ctxt_pP->module_id, ctxt_pP->frame, cnt, SRB_id); if (SRB_id == 1) { if (NR_UE_rrc_inst[ctxt_pP->module_id].SRB1_config[gNB_index]) { memcpy(NR_UE_rrc_inst[ctxt_pP->module_id].SRB1_config[gNB_index], radioBearerConfig->srb_ToAddModList->list.array[cnt], sizeof(NR_SRB_ToAddMod_t)); } else { NR_UE_rrc_inst[ctxt_pP->module_id].SRB1_config[gNB_index] = radioBearerConfig->srb_ToAddModList->list.array[cnt]; nr_rrc_ue_establish_srb1(ctxt_pP->module_id, ctxt_pP->frame, gNB_index, radioBearerConfig->srb_ToAddModList->list.array[cnt]); LOG_I(NR_RRC, "[FRAME %05d][RRC_UE][MOD %02d][][--- MAC_CONFIG_REQ (SRB1 gNB %d) --->][MAC_UE][MOD %02d][]\n", ctxt_pP->frame, ctxt_pP->module_id, gNB_index, ctxt_pP->module_id); nr_rrc_mac_config_req_ue_logicalChannelBearer(ctxt_pP->module_id,0,gNB_index,1,true); //todo handle mac_LogicalChannelConfig // rrc_mac_config_req_ue } } else { if (NR_UE_rrc_inst[ctxt_pP->module_id].SRB2_config[gNB_index]) { memcpy(NR_UE_rrc_inst[ctxt_pP->module_id].SRB2_config[gNB_index], radioBearerConfig->srb_ToAddModList->list.array[cnt], sizeof(NR_SRB_ToAddMod_t)); } else { NR_UE_rrc_inst[ctxt_pP->module_id].SRB2_config[gNB_index] = radioBearerConfig->srb_ToAddModList->list.array[cnt]; nr_rrc_ue_establish_srb2(ctxt_pP->module_id, ctxt_pP->frame, gNB_index, radioBearerConfig->srb_ToAddModList->list.array[cnt]); LOG_I(NR_RRC, "[FRAME %05d][RRC_UE][MOD %02d][][--- MAC_CONFIG_REQ (SRB2 gNB %d) --->][MAC_UE][MOD %02d][]\n", ctxt_pP->frame, ctxt_pP->module_id, gNB_index, ctxt_pP->module_id); nr_rrc_mac_config_req_ue_logicalChannelBearer(ctxt_pP->module_id,0,gNB_index,2,true); //todo handle mac_LogicalChannelConfig // rrc_mac_config_req_ue } } // srb2 } } // srb_ToAddModList // Establish DRBs if present if (radioBearerConfig->drb_ToAddModList != NULL) { if ((NR_UE_rrc_inst[ctxt_pP->module_id].defaultDRB == NULL) && (radioBearerConfig->drb_ToAddModList->list.count >= 1)) { NR_UE_rrc_inst[ctxt_pP->module_id].defaultDRB = malloc(sizeof(rb_id_t)); *NR_UE_rrc_inst[ctxt_pP->module_id].defaultDRB = radioBearerConfig->drb_ToAddModList->list.array[0]->drb_Identity; } for (cnt = 0; cnt < radioBearerConfig->drb_ToAddModList->list.count; cnt++) { DRB_id = radioBearerConfig->drb_ToAddModList->list.array[cnt]->drb_Identity; if (NR_UE_rrc_inst[ctxt_pP->module_id].DRB_config[gNB_index][DRB_id-1]) { memcpy(NR_UE_rrc_inst[ctxt_pP->module_id].DRB_config[gNB_index][DRB_id-1], radioBearerConfig->drb_ToAddModList->list.array[cnt], sizeof(NR_DRB_ToAddMod_t)); } else { //LOG_D(NR_RRC, "Adding DRB %ld %p\n", DRB_id-1, radioBearerConfig->drb_ToAddModList->list.array[cnt]); NR_UE_rrc_inst[ctxt_pP->module_id].DRB_config[gNB_index][DRB_id-1] = radioBearerConfig->drb_ToAddModList->list.array[cnt]; int j; struct NR_CellGroupConfig__rlc_BearerToAddModList *rlc_bearer2add_list = NR_UE_rrc_inst[ctxt_pP->module_id].cell_group_config->rlc_BearerToAddModList; if (rlc_bearer2add_list != NULL) { for(j = 0; j < rlc_bearer2add_list->list.count; j++){ if(rlc_bearer2add_list->list.array[j]->servedRadioBearer != NULL){ if(rlc_bearer2add_list->list.array[j]->servedRadioBearer->present == NR_RLC_BearerConfig__servedRadioBearer_PR_drb_Identity){ if(DRB_id == rlc_bearer2add_list->list.array[j]->servedRadioBearer->choice.drb_Identity){ LOG_I(NR_RRC, "[FRAME %05d][RRC_UE][MOD %02d][][--- MAC_CONFIG_REQ (DRB lcid %ld gNB %d) --->][MAC_UE][MOD %02d][]\n", ctxt_pP->frame, ctxt_pP->module_id, rlc_bearer2add_list->list.array[j]->logicalChannelIdentity, 0, ctxt_pP->module_id); nr_rrc_mac_config_req_ue_logicalChannelBearer(ctxt_pP->module_id,0,0,rlc_bearer2add_list->list.array[j]->logicalChannelIdentity,true); //todo handle mac_LogicalChannelConfig } } } } } } } uint8_t *kUPenc = NULL; uint8_t *kUPint = NULL; NR_UE_RRC_INST_t *ue_rrc = &NR_UE_rrc_inst[ctxt_pP->module_id]; nr_derive_key_up_enc(ue_rrc->cipheringAlgorithm, ue_rrc->kgnb, &kUPenc); nr_derive_key_up_int(ue_rrc->integrityProtAlgorithm, ue_rrc->kgnb, &kUPint); // Refresh DRBs nr_pdcp_add_drbs(ctxt_pP->enb_flag, ctxt_pP->rntiMaybeUEid, 0, radioBearerConfig->drb_ToAddModList, ue_rrc->cipheringAlgorithm | (ue_rrc->integrityProtAlgorithm << 4), kUPenc, kUPint, ue_rrc->cell_group_config->rlc_BearerToAddModList); // Refresh DRBs nr_rrc_addmod_drbs(ctxt_pP->rntiMaybeUEid, radioBearerConfig->drb_ToAddModList, ue_rrc->cell_group_config->rlc_BearerToAddModList); } // drb_ToAddModList // if (radioBearerConfig->drb_ToReleaseList != NULL) { for (i = 0; i < radioBearerConfig->drb_ToReleaseList->list.count; i++) { DRB_id = *radioBearerConfig->drb_ToReleaseList->list.array[i]; free(NR_UE_rrc_inst[ctxt_pP->module_id].DRB_config[gNB_index][DRB_id-1]); } } if (NR_UE_rrc_inst[ctxt_pP->module_id].cell_group_config->rlc_BearerToReleaseList != NULL) { for (i = 0; i < NR_UE_rrc_inst[ctxt_pP->module_id].cell_group_config->rlc_BearerToReleaseList->list.count; i++) { NR_LogicalChannelIdentity_t lcid = *NR_UE_rrc_inst[ctxt_pP->module_id].cell_group_config->rlc_BearerToReleaseList->list.array[i]; LOG_I(NR_RRC, "[FRAME %05d][RRC_UE][MOD %02d][][--- MAC_CONFIG_REQ (RB lcid %ld gNB %d release) --->][MAC_UE][MOD %02d][]\n", ctxt_pP->frame, ctxt_pP->module_id, lcid, 0, ctxt_pP->module_id); nr_rrc_mac_config_req_ue_logicalChannelBearer(ctxt_pP->module_id,0,0,lcid,false); //todo handle mac_LogicalChannelConfig } } NR_UE_rrc_inst[ctxt_pP->module_id].nrRrcState = RRC_STATE_CONNECTED_NR; LOG_I(NR_RRC,"[UE %d] State = NR_RRC_CONNECTED (gNB %d)\n", ctxt_pP->module_id, gNB_index); } //----------------------------------------------------------------------------- static void rrc_ue_process_rrcReconfiguration(const protocol_ctxt_t *const ctxt_pP, NR_RRCReconfiguration_t *rrcReconfiguration, uint8_t gNB_index) //----------------------------------------------------------------------------- { LOG_I(NR_RRC, "[UE %d] Frame %d: Receiving from SRB1 (DL-DCCH), Processing RRCReconfiguration (gNB %d)\n", ctxt_pP->module_id, ctxt_pP->frame, gNB_index); NR_RRCReconfiguration_IEs_t *ie = NULL; if (rrcReconfiguration->criticalExtensions.present == NR_RRCReconfiguration__criticalExtensions_PR_rrcReconfiguration) { ie = rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration; if (ie->measConfig != NULL) { LOG_I(NR_RRC, "Measurement Configuration is present\n"); // nr_rrc_ue_process_measConfig(ctxt_pP, gNB_index, ie->measConfig); } if((ie->nonCriticalExtension) && (ie->nonCriticalExtension->masterCellGroup != NULL)) { nr_rrc_ue_process_masterCellGroup(ctxt_pP, gNB_index, ie->nonCriticalExtension->masterCellGroup, ie->nonCriticalExtension->fullConfig); } if (ie->radioBearerConfig != NULL) { LOG_I(NR_RRC, "radio Bearer Configuration is present\n"); nr_rrc_ue_process_RadioBearerConfig(ctxt_pP, gNB_index, ie->radioBearerConfig); } /* Check if there is dedicated NAS information to forward to NAS */ if ((ie->nonCriticalExtension) && (ie->nonCriticalExtension->dedicatedNAS_MessageList != NULL)) { int list_count; uint32_t pdu_length; uint8_t *pdu_buffer; MessageDef *msg_p; for (list_count = 0; list_count < ie->nonCriticalExtension->dedicatedNAS_MessageList->list.count; list_count++) { pdu_length = ie->nonCriticalExtension->dedicatedNAS_MessageList->list.array[list_count]->size; pdu_buffer = ie->nonCriticalExtension->dedicatedNAS_MessageList->list.array[list_count]->buf; msg_p = itti_alloc_new_message(TASK_RRC_NRUE, 0, NAS_CONN_ESTABLI_CNF); NAS_CONN_ESTABLI_CNF(msg_p).errCode = AS_SUCCESS; NAS_CONN_ESTABLI_CNF(msg_p).nasMsg.length = pdu_length; NAS_CONN_ESTABLI_CNF(msg_p).nasMsg.data = pdu_buffer; itti_send_msg_to_task(TASK_NAS_NRUE, ctxt_pP->instance, msg_p); } free (ie->nonCriticalExtension->dedicatedNAS_MessageList); } } } //----------------------------------------------------------------------------- void nr_rrc_ue_generate_RRCReconfigurationComplete( const protocol_ctxt_t *const ctxt_pP, const uint8_t gNB_index, const uint8_t Transaction_id ) { uint8_t buffer[32], size; size = do_NR_RRCReconfigurationComplete(ctxt_pP, buffer, sizeof(buffer), Transaction_id); LOG_I(NR_RRC,PROTOCOL_RRC_CTXT_UE_FMT" Logical Channel UL-DCCH (SRB1), Generating RRCReconfigurationComplete (bytes %d, gNB_index %d)\n", PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP), size, gNB_index); LOG_D(RLC, "[FRAME %05d][RRC_UE][INST %02d][][--- PDCP_DATA_REQ/%d Bytes (RRCReconfigurationComplete to gNB %d MUI %d) --->][PDCP][INST %02d][RB %02d]\n", ctxt_pP->frame, UE_MODULE_ID_TO_INSTANCE(ctxt_pP->module_id), size, gNB_index, nr_rrc_mui, UE_MODULE_ID_TO_INSTANCE(ctxt_pP->module_id), DCCH); nr_pdcp_data_req_srb(ctxt_pP->rntiMaybeUEid, DCCH, nr_rrc_mui++, size, buffer, deliver_pdu_srb_rlc, NULL); } // from NR SRB1 //----------------------------------------------------------------------------- int nr_rrc_ue_decode_dcch( const protocol_ctxt_t *const ctxt_pP, const srb_id_t Srb_id, const uint8_t *const Buffer, size_t Buffer_size, const uint8_t gNB_indexP ) //----------------------------------------------------------------------------- { asn_dec_rval_t dec_rval; NR_DL_DCCH_Message_t *dl_dcch_msg = NULL; MessageDef *msg_p; if (Srb_id != 1 && Srb_id != 2) { LOG_E(NR_RRC,"[UE %d] Frame %d: Received message on DL-DCCH (SRB%ld), should not have ...\n", ctxt_pP->module_id, ctxt_pP->frame, Srb_id); } LOG_D(NR_RRC, "Decoding DL-DCCH Message\n"); dec_rval = uper_decode( NULL, &asn_DEF_NR_DL_DCCH_Message, (void **)&dl_dcch_msg, Buffer, Buffer_size, 0, 0); if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) { LOG_E(NR_RRC, "Failed to decode DL-DCCH (%zu bytes)\n", dec_rval.consumed); ASN_STRUCT_FREE(asn_DEF_NR_DL_DCCH_Message, dl_dcch_msg); return -1; } if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) { xer_fprint(stdout, &asn_DEF_NR_DL_DCCH_Message,(void *)dl_dcch_msg); } if (dl_dcch_msg->message.present == NR_DL_DCCH_MessageType_PR_c1) { switch (dl_dcch_msg->message.choice.c1->present) { case NR_DL_DCCH_MessageType__c1_PR_NOTHING: LOG_I(NR_RRC, "Received PR_NOTHING on DL-DCCH-Message\n"); break; case NR_DL_DCCH_MessageType__c1_PR_rrcReconfiguration: { rrc_ue_process_rrcReconfiguration(ctxt_pP, dl_dcch_msg->message.choice.c1->choice.rrcReconfiguration, gNB_indexP); nr_rrc_ue_generate_RRCReconfigurationComplete(ctxt_pP, gNB_indexP, dl_dcch_msg->message.choice.c1->choice.rrcReconfiguration->rrc_TransactionIdentifier); break; } case NR_DL_DCCH_MessageType__c1_PR_rrcResume: case NR_DL_DCCH_MessageType__c1_PR_rrcRelease: LOG_I(NR_RRC, "[UE %d] Received RRC Release (gNB %d)\n", ctxt_pP->module_id, gNB_indexP); msg_p = itti_alloc_new_message(TASK_RRC_NRUE, 0, NAS_CONN_RELEASE_IND); if((dl_dcch_msg->message.choice.c1->choice.rrcRelease->criticalExtensions.present == NR_RRCRelease__criticalExtensions_PR_rrcRelease) && (dl_dcch_msg->message.choice.c1->present == NR_DL_DCCH_MessageType__c1_PR_rrcRelease)) { dl_dcch_msg->message.choice.c1->choice.rrcRelease->criticalExtensions.choice.rrcRelease->deprioritisationReq->deprioritisationTimer = NR_RRCRelease_IEs__deprioritisationReq__deprioritisationTimer_min5; dl_dcch_msg->message.choice.c1->choice.rrcRelease->criticalExtensions.choice.rrcRelease->deprioritisationReq->deprioritisationType = NR_RRCRelease_IEs__deprioritisationReq__deprioritisationType_frequency; } itti_send_msg_to_task(TASK_NAS_NRUE, ctxt_pP->instance, msg_p); break; case NR_DL_DCCH_MessageType__c1_PR_ueCapabilityEnquiry: LOG_I(NR_RRC, "[UE %d] Received Capability Enquiry (gNB %d)\n", ctxt_pP->module_id,gNB_indexP); nr_rrc_ue_process_ueCapabilityEnquiry( ctxt_pP, dl_dcch_msg->message.choice.c1->choice.ueCapabilityEnquiry, gNB_indexP); break; case NR_DL_DCCH_MessageType__c1_PR_rrcReestablishment: LOG_I(NR_RRC, "[UE%d] Frame %d : Logical Channel DL-DCCH (SRB1), Received RRCReestablishment\n", ctxt_pP->module_id, ctxt_pP->frame); nr_rrc_ue_generate_rrcReestablishmentComplete( ctxt_pP, dl_dcch_msg->message.choice.c1->choice.rrcReestablishment, gNB_indexP); break; case NR_DL_DCCH_MessageType__c1_PR_dlInformationTransfer: { NR_DLInformationTransfer_t *dlInformationTransfer = dl_dcch_msg->message.choice.c1->choice.dlInformationTransfer; if (dlInformationTransfer->criticalExtensions.present == NR_DLInformationTransfer__criticalExtensions_PR_dlInformationTransfer) { /* This message hold a dedicated info NAS payload, forward it to NAS */ NR_DedicatedNAS_Message_t *dedicatedNAS_Message = dlInformationTransfer->criticalExtensions.choice.dlInformationTransfer->dedicatedNAS_Message; MessageDef *msg_p; msg_p = itti_alloc_new_message(TASK_RRC_NRUE, 0, NAS_DOWNLINK_DATA_IND); NAS_DOWNLINK_DATA_IND(msg_p).UEid = ctxt_pP->module_id; // TODO set the UEid to something else ? NAS_DOWNLINK_DATA_IND(msg_p).nasMsg.length = dedicatedNAS_Message->size; NAS_DOWNLINK_DATA_IND(msg_p).nasMsg.data = dedicatedNAS_Message->buf; itti_send_msg_to_task(TASK_NAS_NRUE, ctxt_pP->instance, msg_p); } } break; case NR_DL_DCCH_MessageType__c1_PR_mobilityFromNRCommand: case NR_DL_DCCH_MessageType__c1_PR_dlDedicatedMessageSegment_r16: case NR_DL_DCCH_MessageType__c1_PR_ueInformationRequest_r16: case NR_DL_DCCH_MessageType__c1_PR_dlInformationTransferMRDC_r16: case NR_DL_DCCH_MessageType__c1_PR_loggedMeasurementConfiguration_r16: case NR_DL_DCCH_MessageType__c1_PR_spare3: case NR_DL_DCCH_MessageType__c1_PR_spare2: case NR_DL_DCCH_MessageType__c1_PR_spare1: case NR_DL_DCCH_MessageType__c1_PR_counterCheck: break; case NR_DL_DCCH_MessageType__c1_PR_securityModeCommand: LOG_I(NR_RRC, "[UE %d] Received securityModeCommand (gNB %d)\n", ctxt_pP->module_id, gNB_indexP); nr_rrc_ue_process_securityModeCommand( ctxt_pP, dl_dcch_msg->message.choice.c1->choice.securityModeCommand, gNB_indexP); break; } } return 0; } void nr_rrc_handle_timers(unsigned int mod_id) { NR_UE_Timers_Constants_t *timers = &NR_UE_rrc_inst[mod_id].timers_and_constants; // T304 if (timers->T304_active == true) { timers->T304_cnt += 10; if(timers->T304_cnt >= timers->T304_k) { // TODO // For T304 of MCG, in case of the handover from NR or intra-NR // handover, initiate the RRC re-establishment procedure; // In case of handover to NR, perform the actions defined in the // specifications applicable for the source RAT. } } } void *rrc_nrue_task(void *args_p) { MessageDef *msg_p; instance_t instance; unsigned int ue_mod_id; int result; NR_SRB_INFO *srb_info_p; protocol_ctxt_t ctxt; itti_mark_task_ready(TASK_RRC_NRUE); while(1) { // Wait for a message itti_receive_msg (TASK_RRC_NRUE, &msg_p); instance = ITTI_MSG_DESTINATION_INSTANCE (msg_p); ue_mod_id = UE_INSTANCE_TO_MODULE_ID(instance); switch (ITTI_MSG_ID(msg_p)) { case TERMINATE_MESSAGE: LOG_W(NR_RRC, " *** Exiting RRC thread\n"); itti_exit_task (); break; case MESSAGE_TEST: LOG_D(NR_RRC, "[UE %d] Received %s\n", ue_mod_id, ITTI_MSG_NAME (msg_p)); break; case NRRRC_SLOT_PROCESS: LOG_D(NR_RRC, "[UE %d] Receided %s: frame %d slot %d\n", ue_mod_id, ITTI_MSG_NAME (msg_p), NRRRC_SLOT_PROCESS (msg_p).frame, NRRRC_SLOT_PROCESS (msg_p).slot); nr_rrc_handle_timers(ue_mod_id); break; case NR_RRC_MAC_BCCH_DATA_IND: LOG_D(NR_RRC, "[UE %d] Received %s: frameP %d, gNB %d\n", ue_mod_id, ITTI_MSG_NAME (msg_p), NR_RRC_MAC_BCCH_DATA_IND (msg_p).frame, NR_RRC_MAC_BCCH_DATA_IND (msg_p).gnb_index); PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, ue_mod_id, GNB_FLAG_NO, NOT_A_RNTI, NR_RRC_MAC_BCCH_DATA_IND (msg_p).frame, 0,NR_RRC_MAC_BCCH_DATA_IND (msg_p).gnb_index); nr_rrc_ue_decode_NR_BCCH_DL_SCH_Message (ctxt.module_id, NR_RRC_MAC_BCCH_DATA_IND (msg_p).gnb_index, NR_RRC_MAC_BCCH_DATA_IND (msg_p).sdu, NR_RRC_MAC_BCCH_DATA_IND (msg_p).sdu_size, NR_RRC_MAC_BCCH_DATA_IND (msg_p).rsrq, NR_RRC_MAC_BCCH_DATA_IND (msg_p).rsrp); break; case NR_RRC_MAC_CCCH_DATA_IND: LOG_D(NR_RRC, "[UE %d] RNTI %x Received %s: frameP %d, gNB %d\n", ue_mod_id, NR_RRC_MAC_CCCH_DATA_IND (msg_p).rnti, ITTI_MSG_NAME (msg_p), NR_RRC_MAC_CCCH_DATA_IND (msg_p).frame, NR_RRC_MAC_CCCH_DATA_IND (msg_p).gnb_index); srb_info_p = &NR_UE_rrc_inst[ue_mod_id].Srb0[NR_RRC_MAC_CCCH_DATA_IND (msg_p).gnb_index]; memcpy (srb_info_p->Rx_buffer.Payload, NR_RRC_MAC_CCCH_DATA_IND (msg_p).sdu, NR_RRC_MAC_CCCH_DATA_IND (msg_p).sdu_size); srb_info_p->Rx_buffer.payload_size = NR_RRC_MAC_CCCH_DATA_IND (msg_p).sdu_size; PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt, instance, GNB_FLAG_NO, NR_RRC_MAC_CCCH_DATA_IND (msg_p).rnti, NR_RRC_MAC_CCCH_DATA_IND (msg_p).frame, 0); // PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, ue_mod_id, GNB_FLAG_NO, NR_RRC_MAC_CCCH_DATA_IND (msg_p).rnti, NR_RRC_MAC_CCCH_DATA_IND (msg_p).frame, 0, NR_RRC_MAC_CCCH_DATA_IND (msg_p).gnb_index); nr_rrc_ue_decode_ccch (&ctxt, srb_info_p, NR_RRC_MAC_CCCH_DATA_IND (msg_p).gnb_index); break; /* PDCP messages */ case NR_RRC_DCCH_DATA_IND: PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, NR_RRC_DCCH_DATA_IND (msg_p).module_id, GNB_FLAG_NO, NR_RRC_DCCH_DATA_IND (msg_p).rnti, NR_RRC_DCCH_DATA_IND (msg_p).frame, 0, NR_RRC_DCCH_DATA_IND (msg_p).gNB_index); LOG_D(NR_RRC, "[UE %d] Received %s: frameP %d, DCCH %d, gNB %d\n", NR_RRC_DCCH_DATA_IND (msg_p).module_id, ITTI_MSG_NAME (msg_p), NR_RRC_DCCH_DATA_IND (msg_p).frame, NR_RRC_DCCH_DATA_IND (msg_p).dcch_index, NR_RRC_DCCH_DATA_IND (msg_p).gNB_index); LOG_D(NR_RRC, PROTOCOL_RRC_CTXT_UE_FMT"Received %s DCCH %d, gNB %d\n", PROTOCOL_NR_RRC_CTXT_UE_ARGS(&ctxt), ITTI_MSG_NAME (msg_p), NR_RRC_DCCH_DATA_IND (msg_p).dcch_index, NR_RRC_DCCH_DATA_IND (msg_p).gNB_index); nr_rrc_ue_decode_dcch ( &ctxt, NR_RRC_DCCH_DATA_IND (msg_p).dcch_index, NR_RRC_DCCH_DATA_IND (msg_p).sdu_p, NR_RRC_DCCH_DATA_IND (msg_p).sdu_size, NR_RRC_DCCH_DATA_IND (msg_p).gNB_index); break; case NAS_KENB_REFRESH_REQ: memcpy((void *)NR_UE_rrc_inst[ue_mod_id].kgnb, (void *)NAS_KENB_REFRESH_REQ(msg_p).kenb, sizeof(NR_UE_rrc_inst[ue_mod_id].kgnb)); LOG_D(RRC, "[UE %d] Received %s: refreshed RRC::KgNB = " "%02x%02x%02x%02x" "%02x%02x%02x%02x" "%02x%02x%02x%02x" "%02x%02x%02x%02x" "%02x%02x%02x%02x" "%02x%02x%02x%02x" "%02x%02x%02x%02x" "%02x%02x%02x%02x\n", ue_mod_id, ITTI_MSG_NAME (msg_p), NR_UE_rrc_inst[ue_mod_id].kgnb[0], NR_UE_rrc_inst[ue_mod_id].kgnb[1], NR_UE_rrc_inst[ue_mod_id].kgnb[2], NR_UE_rrc_inst[ue_mod_id].kgnb[3], NR_UE_rrc_inst[ue_mod_id].kgnb[4], NR_UE_rrc_inst[ue_mod_id].kgnb[5], NR_UE_rrc_inst[ue_mod_id].kgnb[6], NR_UE_rrc_inst[ue_mod_id].kgnb[7], NR_UE_rrc_inst[ue_mod_id].kgnb[8], NR_UE_rrc_inst[ue_mod_id].kgnb[9], NR_UE_rrc_inst[ue_mod_id].kgnb[10], NR_UE_rrc_inst[ue_mod_id].kgnb[11], NR_UE_rrc_inst[ue_mod_id].kgnb[12], NR_UE_rrc_inst[ue_mod_id].kgnb[13], NR_UE_rrc_inst[ue_mod_id].kgnb[14], NR_UE_rrc_inst[ue_mod_id].kgnb[15], NR_UE_rrc_inst[ue_mod_id].kgnb[16], NR_UE_rrc_inst[ue_mod_id].kgnb[17], NR_UE_rrc_inst[ue_mod_id].kgnb[18], NR_UE_rrc_inst[ue_mod_id].kgnb[19], NR_UE_rrc_inst[ue_mod_id].kgnb[20], NR_UE_rrc_inst[ue_mod_id].kgnb[21], NR_UE_rrc_inst[ue_mod_id].kgnb[22], NR_UE_rrc_inst[ue_mod_id].kgnb[23], NR_UE_rrc_inst[ue_mod_id].kgnb[24], NR_UE_rrc_inst[ue_mod_id].kgnb[25], NR_UE_rrc_inst[ue_mod_id].kgnb[26], NR_UE_rrc_inst[ue_mod_id].kgnb[27], NR_UE_rrc_inst[ue_mod_id].kgnb[28], NR_UE_rrc_inst[ue_mod_id].kgnb[29], NR_UE_rrc_inst[ue_mod_id].kgnb[30], NR_UE_rrc_inst[ue_mod_id].kgnb[31]); break; case NAS_UPLINK_DATA_REQ: { uint32_t length; uint8_t *buffer; LOG_I(NR_RRC, "[UE %d] Received %s: UEid %d\n", ue_mod_id, ITTI_MSG_NAME (msg_p), NAS_UPLINK_DATA_REQ (msg_p).UEid); /* Create message for PDCP (ULInformationTransfer_t) */ length = do_NR_ULInformationTransfer(&buffer, NAS_UPLINK_DATA_REQ (msg_p).nasMsg.length, NAS_UPLINK_DATA_REQ (msg_p).nasMsg.data); /* Transfer data to PDCP */ PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, ue_mod_id, GNB_FLAG_NO, NR_UE_rrc_inst[ue_mod_id].rnti, 0, 0,0); // check if SRB2 is created, if yes request data_req on DCCH1 (SRB2) rb_id_t srb_id = NR_UE_rrc_inst[ue_mod_id].SRB2_config[0] == NULL ? DCCH : DCCH1; nr_pdcp_data_req_srb(ctxt.rntiMaybeUEid, srb_id, nr_rrc_mui++, length, buffer, deliver_pdu_srb_rlc, NULL); break; } default: LOG_E(NR_RRC, "[UE %d] Received unexpected message %s\n", ue_mod_id, ITTI_MSG_NAME (msg_p)); break; } LOG_D(NR_RRC, "[UE %d] RRC Status %d\n", ue_mod_id, nr_rrc_get_state(ue_mod_id)); result = itti_free (ITTI_MSG_ORIGIN_ID(msg_p), msg_p); AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result); msg_p = NULL; } } void nr_rrc_ue_process_sidelink_radioResourceConfig( module_id_t Mod_idP, uint8_t gNB_index, NR_SetupRelease_SL_ConfigDedicatedNR_r16_t *sl_ConfigDedicatedNR ) { //process sl_CommConfig, configure MAC/PHY for transmitting SL communication (RRC_CONNECTED) if (sl_ConfigDedicatedNR != NULL) { switch (sl_ConfigDedicatedNR->present){ case NR_SetupRelease_SL_ConfigDedicatedNR_r16_PR_setup: //TODO break; case NR_SetupRelease_SL_ConfigDedicatedNR_r16_PR_release: break; case NR_SetupRelease_SL_ConfigDedicatedNR_r16_PR_NOTHING: break; default: break; } } } //----------------------------------------------------------------------------- void nr_rrc_ue_process_ueCapabilityEnquiry( const protocol_ctxt_t *const ctxt_pP, NR_UECapabilityEnquiry_t *UECapabilityEnquiry, uint8_t gNB_index ) //----------------------------------------------------------------------------- { asn_enc_rval_t enc_rval; asn_dec_rval_t dec_rval; NR_UL_DCCH_Message_t ul_dcch_msg; NR_UE_CapabilityRAT_Container_t ue_CapabilityRAT_Container; char UE_NR_Capability_xer[65536]; size_t size; uint8_t buffer[500]; int i; LOG_I(NR_RRC,"[UE %d] Frame %d: Receiving from SRB1 (DL-DCCH), Processing UECapabilityEnquiry (gNB %d)\n", ctxt_pP->module_id, ctxt_pP->frame, gNB_index); memset((void *)&ul_dcch_msg,0,sizeof(NR_UL_DCCH_Message_t)); memset((void *)&ue_CapabilityRAT_Container,0,sizeof(NR_UE_CapabilityRAT_Container_t)); ul_dcch_msg.message.present = NR_UL_DCCH_MessageType_PR_c1; ul_dcch_msg.message.choice.c1 = CALLOC(1, sizeof(struct NR_UL_DCCH_MessageType__c1)); ul_dcch_msg.message.choice.c1->present = NR_UL_DCCH_MessageType__c1_PR_ueCapabilityInformation; ul_dcch_msg.message.choice.c1->choice.ueCapabilityInformation = CALLOC(1, sizeof(struct NR_UECapabilityInformation)); ul_dcch_msg.message.choice.c1->choice.ueCapabilityInformation->rrc_TransactionIdentifier = UECapabilityEnquiry->rrc_TransactionIdentifier; ue_CapabilityRAT_Container.rat_Type = NR_RAT_Type_nr; NR_UE_NR_Capability_t* UE_Capability_nr = NULL; char *file_path = NR_UE_rrc_inst[ctxt_pP->module_id].uecap_file; FILE *f = NULL; if (file_path) f = fopen(file_path, "r"); if(f){ size = fread(UE_NR_Capability_xer, 1, sizeof UE_NR_Capability_xer, f); if (size == 0 || size == sizeof UE_NR_Capability_xer) { LOG_E(NR_RRC,"UE Capabilities XER file %s is too large (%ld)\n", file_path,size); free(UE_Capability_nr); return; } dec_rval = xer_decode(0, &asn_DEF_NR_UE_NR_Capability, (void *)&UE_Capability_nr, UE_NR_Capability_xer, size); assert(dec_rval.code == RC_OK); } else { UE_Capability_nr = CALLOC(1,sizeof(NR_UE_NR_Capability_t)); NR_BandNR_t *nr_bandnr; nr_bandnr = CALLOC(1,sizeof(NR_BandNR_t)); nr_bandnr->bandNR = 1; asn1cSeqAdd(&UE_Capability_nr->rf_Parameters.supportedBandListNR.list, nr_bandnr); } OAI_NR_UECapability_t *UECap; UECap = CALLOC(1,sizeof(OAI_NR_UECapability_t)); UECap->UE_NR_Capability = UE_Capability_nr; xer_fprint(stdout,&asn_DEF_NR_UE_NR_Capability,(void *)UE_Capability_nr); enc_rval = uper_encode_to_buffer(&asn_DEF_NR_UE_NR_Capability, NULL, (void *)UE_Capability_nr, &UECap->sdu[0], MAX_UE_NR_CAPABILITY_SIZE); AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %lu)!\n", enc_rval.failed_type->name, enc_rval.encoded); UECap->sdu_size = (enc_rval.encoded + 7) / 8; LOG_I(PHY, "[RRC]UE NR Capability encoded, %d bytes (%zd bits)\n", UECap->sdu_size, enc_rval.encoded + 7); NR_UE_rrc_inst[ctxt_pP->module_id].UECap = UECap; NR_UE_rrc_inst[ctxt_pP->module_id].UECapability = UECap->sdu; NR_UE_rrc_inst[ctxt_pP->module_id].UECapability_size = UECap->sdu_size; OCTET_STRING_fromBuf(&ue_CapabilityRAT_Container.ue_CapabilityRAT_Container, (const char *)NR_UE_rrc_inst[ctxt_pP->module_id].UECapability, NR_UE_rrc_inst[ctxt_pP->module_id].UECapability_size); if (get_softmodem_params()->nsa == 1) { OCTET_STRING_t * requestedFreqBandsNR = UECapabilityEnquiry->criticalExtensions.choice.ueCapabilityEnquiry->ue_CapabilityEnquiryExt; nsa_sendmsg_to_lte_ue(requestedFreqBandsNR->buf, requestedFreqBandsNR->size, UE_CAPABILITY_INFO); } // ue_CapabilityRAT_Container.ueCapabilityRAT_Container.buf = UE_rrc_inst[ue_mod_idP].UECapability; // ue_CapabilityRAT_Container.ueCapabilityRAT_Container.size = UE_rrc_inst[ue_mod_idP].UECapability_size; AssertFatal(UECapabilityEnquiry->criticalExtensions.present == NR_UECapabilityEnquiry__criticalExtensions_PR_ueCapabilityEnquiry, "UECapabilityEnquiry->criticalExtensions.present (%d) != UECapabilityEnquiry__criticalExtensions_PR_c1 (%d)\n", UECapabilityEnquiry->criticalExtensions.present,NR_UECapabilityEnquiry__criticalExtensions_PR_ueCapabilityEnquiry); ul_dcch_msg.message.choice.c1->choice.ueCapabilityInformation->criticalExtensions.present = NR_UECapabilityInformation__criticalExtensions_PR_ueCapabilityInformation; ul_dcch_msg.message.choice.c1->choice.ueCapabilityInformation->criticalExtensions.choice.ueCapabilityInformation = CALLOC(1, sizeof(struct NR_UECapabilityInformation_IEs)); ul_dcch_msg.message.choice.c1->choice.ueCapabilityInformation->criticalExtensions.choice.ueCapabilityInformation->ue_CapabilityRAT_ContainerList = CALLOC(1, sizeof(struct NR_UE_CapabilityRAT_ContainerList)); ul_dcch_msg.message.choice.c1->choice.ueCapabilityInformation->criticalExtensions.choice.ueCapabilityInformation->ue_CapabilityRAT_ContainerList->list.count = 0; for (i=0; i<UECapabilityEnquiry->criticalExtensions.choice.ueCapabilityEnquiry->ue_CapabilityRAT_RequestList.list.count; i++) { if (UECapabilityEnquiry->criticalExtensions.choice.ueCapabilityEnquiry->ue_CapabilityRAT_RequestList.list.array[i]->rat_Type == NR_RAT_Type_nr) { asn1cSeqAdd( &ul_dcch_msg.message.choice.c1->choice.ueCapabilityInformation->criticalExtensions.choice.ueCapabilityInformation->ue_CapabilityRAT_ContainerList->list, &ue_CapabilityRAT_Container); enc_rval = uper_encode_to_buffer(&asn_DEF_NR_UL_DCCH_Message, NULL, (void *) &ul_dcch_msg, buffer, 500); AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %jd)!\n", enc_rval.failed_type->name, enc_rval.encoded); if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) { xer_fprint(stdout, &asn_DEF_NR_UL_DCCH_Message, (void *)&ul_dcch_msg); } LOG_I(NR_RRC, "UECapabilityInformation Encoded %zd bits (%zd bytes)\n",enc_rval.encoded,(enc_rval.encoded+7)/8); nr_pdcp_data_req_srb(ctxt_pP->rntiMaybeUEid, DCCH, nr_rrc_mui++, (enc_rval.encoded + 7) / 8, buffer, deliver_pdu_srb_rlc, NULL); } } } void nr_rrc_ue_generate_rrcReestablishmentComplete( const protocol_ctxt_t *const ctxt_pP, NR_RRCReestablishment_t *rrcReestablishment, uint8_t gNB_index ) //----------------------------------------------------------------------------- { uint8_t buffer[RRC_BUFFER_SIZE] = {0}; int size = do_RRCReestablishmentComplete(buffer, RRC_BUFFER_SIZE, rrcReestablishment->rrc_TransactionIdentifier); LOG_I(NR_RRC,"[UE %d][RAPROC] Frame %d : Logical Channel UL-DCCH (SRB1), Generating RRCReestablishmentComplete (bytes%d, gNB %d)\n", ctxt_pP->module_id,ctxt_pP->frame, size, gNB_index); } void *recv_msgs_from_lte_ue(void *args_p) { itti_mark_task_ready (TASK_RRC_NSA_NRUE); int from_lte_ue_fd = get_from_lte_ue_fd(); for (;;) { nsa_msg_t msg; int recvLen = recvfrom(from_lte_ue_fd, &msg, sizeof(msg), MSG_WAITALL | MSG_TRUNC, NULL, NULL); if (recvLen == -1) { LOG_E(NR_RRC, "%s: recvfrom: %s\n", __func__, strerror(errno)); continue; } if (recvLen > sizeof(msg)) { LOG_E(NR_RRC, "%s: Received truncated message %d\n", __func__, recvLen); continue; } process_lte_nsa_msg(&msg, recvLen); } return NULL; } void start_oai_nrue_threads() { init_queue(&nr_rach_ind_queue); init_queue(&nr_rx_ind_queue); init_queue(&nr_crc_ind_queue); init_queue(&nr_uci_ind_queue); init_queue(&nr_sfn_slot_queue); init_queue(&nr_chan_param_queue); init_queue(&nr_dl_tti_req_queue); init_queue(&nr_tx_req_queue); init_queue(&nr_ul_dci_req_queue); init_queue(&nr_ul_tti_req_queue); if (sem_init(&sfn_slot_semaphore, 0, 0) != 0) { LOG_E(MAC, "sem_init() error\n"); abort(); } init_nrUE_standalone_thread(ue_id_g); } static void nsa_rrc_ue_process_ueCapabilityEnquiry(void) { NR_UE_NR_Capability_t *UE_Capability_nr = CALLOC(1, sizeof(NR_UE_NR_Capability_t)); NR_BandNR_t *nr_bandnr = CALLOC(1, sizeof(NR_BandNR_t)); nr_bandnr->bandNR = 78; asn1cSeqAdd(&UE_Capability_nr->rf_Parameters.supportedBandListNR.list, nr_bandnr); OAI_NR_UECapability_t *UECap = CALLOC(1, sizeof(OAI_NR_UECapability_t)); UECap->UE_NR_Capability = UE_Capability_nr; asn_enc_rval_t enc_rval = uper_encode_to_buffer(&asn_DEF_NR_UE_NR_Capability, NULL, (void *)UE_Capability_nr, &UECap->sdu[0], MAX_UE_NR_CAPABILITY_SIZE); AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %lu)!\n", enc_rval.failed_type->name, enc_rval.encoded); UECap->sdu_size = (enc_rval.encoded + 7) / 8; LOG_A(NR_RRC, "[NR_RRC] NRUE Capability encoded, %d bytes (%zd bits)\n", UECap->sdu_size, enc_rval.encoded + 7); NR_UE_rrc_inst[0].UECap = UECap; NR_UE_rrc_inst[0].UECapability = UECap->sdu; NR_UE_rrc_inst[0].UECapability_size = UECap->sdu_size; NR_UE_CapabilityRAT_Container_t ue_CapabilityRAT_Container; memset(&ue_CapabilityRAT_Container, 0, sizeof(NR_UE_CapabilityRAT_Container_t)); ue_CapabilityRAT_Container.rat_Type = NR_RAT_Type_nr; OCTET_STRING_fromBuf(&ue_CapabilityRAT_Container.ue_CapabilityRAT_Container, (const char *)NR_UE_rrc_inst[0].UECapability, NR_UE_rrc_inst[0].UECapability_size); nsa_sendmsg_to_lte_ue(ue_CapabilityRAT_Container.ue_CapabilityRAT_Container.buf, ue_CapabilityRAT_Container.ue_CapabilityRAT_Container.size, NRUE_CAPABILITY_INFO); } void process_lte_nsa_msg(nsa_msg_t *msg, int msg_len) { if (msg_len < sizeof(msg->msg_type)) { LOG_E(RRC, "Msg_len = %d\n", msg_len); return; } LOG_D(NR_RRC, "Processing an NSA message\n"); Rrc_Msg_Type_t msg_type = msg->msg_type; uint8_t *const msg_buffer = msg->msg_buffer; msg_len -= sizeof(msg->msg_type); switch (msg_type) { case UE_CAPABILITY_ENQUIRY: { LOG_D(NR_RRC, "We are processing a %d message \n", msg_type); NR_FreqBandList_t *nr_freq_band_list = NULL; asn_dec_rval_t dec_rval = uper_decode_complete(NULL, &asn_DEF_NR_FreqBandList, (void **)&nr_freq_band_list, msg_buffer, msg_len); if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) { SEQUENCE_free(&asn_DEF_NR_FreqBandList, nr_freq_band_list, ASFM_FREE_EVERYTHING); LOG_E(RRC, "Failed to decode UECapabilityInfo (%zu bits)\n", dec_rval.consumed); break; } for (int i = 0; i < nr_freq_band_list->list.count; i++) { LOG_D(NR_RRC, "Received NR band information: %ld.\n", nr_freq_band_list->list.array[i]->choice.bandInformationNR->bandNR); } int dummy_msg = 0;// whatever piece of data, it will never be used by sendee LOG_D(NR_RRC, "We are calling nsa_sendmsg_to_lte_ue to send a UE_CAPABILITY_DUMMY\n"); nsa_sendmsg_to_lte_ue(&dummy_msg, sizeof(dummy_msg), UE_CAPABILITY_DUMMY); LOG_A(NR_RRC, "Sent initial NRUE Capability response to LTE UE\n"); break; } case NRUE_CAPABILITY_ENQUIRY: { LOG_I(NR_RRC, "We are processing a %d message \n", msg_type); NR_FreqBandList_t *nr_freq_band_list = NULL; asn_dec_rval_t dec_rval = uper_decode_complete(NULL, &asn_DEF_NR_FreqBandList, (void **)&nr_freq_band_list, msg_buffer, msg_len); if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) { SEQUENCE_free(&asn_DEF_NR_FreqBandList, nr_freq_band_list, ASFM_FREE_EVERYTHING); LOG_E(NR_RRC, "Failed to decode UECapabilityInfo (%zu bits)\n", dec_rval.consumed); break; } LOG_I(NR_RRC, "Calling nsa_rrc_ue_process_ueCapabilityEnquiry\n"); nsa_rrc_ue_process_ueCapabilityEnquiry(); break; } case RRC_MEASUREMENT_PROCEDURE: { LOG_I(NR_RRC, "We are processing a %d message \n", msg_type); LTE_MeasObjectToAddMod_t *nr_meas_obj = NULL; asn_dec_rval_t dec_rval = uper_decode_complete(NULL, &asn_DEF_NR_MeasObjectToAddMod, (void **)&nr_meas_obj, msg_buffer, msg_len); if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) { SEQUENCE_free(&asn_DEF_NR_MeasObjectToAddMod, nr_meas_obj, ASFM_FREE_EVERYTHING); LOG_E(RRC, "Failed to decode measurement object (%zu bits) %d\n", dec_rval.consumed, dec_rval.code); break; } LOG_D(NR_RRC, "NR carrierFreq_r15 (ssb): %ld and sub carrier spacing:%ld\n", nr_meas_obj->measObject.choice.measObjectNR_r15.carrierFreq_r15, nr_meas_obj->measObject.choice.measObjectNR_r15.rs_ConfigSSB_r15.subcarrierSpacingSSB_r15); start_oai_nrue_threads(); break; } case RRC_CONFIG_COMPLETE_REQ: { struct msg { uint32_t RadioBearer_size; uint32_t SecondaryCellGroup_size; uint8_t trans_id; uint8_t padding[3]; uint8_t buffer[]; } hdr; AssertFatal(msg_len >= sizeof(hdr), "Bad received msg\n"); memcpy(&hdr, msg_buffer, sizeof(hdr)); LOG_I(NR_RRC, "We got an RRC_CONFIG_COMPLETE_REQ\n"); uint32_t nr_RadioBearer_size = hdr.RadioBearer_size; uint32_t nr_SecondaryCellGroup_size = hdr.SecondaryCellGroup_size; AssertFatal(sizeof(hdr) + nr_RadioBearer_size + nr_SecondaryCellGroup_size <= msg_len, "nr_RadioBearerConfig1_r15 size %d nr_SecondaryCellGroupConfig_r15 size %d sizeof(hdr) %zu, msg_len = %d\n", nr_RadioBearer_size, nr_SecondaryCellGroup_size, sizeof(hdr), msg_len); NR_RRC_TransactionIdentifier_t t_id = hdr.trans_id; LOG_I(NR_RRC, "nr_RadioBearerConfig1_r15 size %d nr_SecondaryCellGroupConfig_r15 size %d t_id %ld\n", nr_RadioBearer_size, nr_SecondaryCellGroup_size, t_id); uint8_t *nr_RadioBearer_buffer = msg_buffer + offsetof(struct msg, buffer); uint8_t *nr_SecondaryCellGroup_buffer = nr_RadioBearer_buffer + nr_RadioBearer_size; process_nsa_message(NR_UE_rrc_inst, nr_SecondaryCellGroupConfig_r15, nr_SecondaryCellGroup_buffer, nr_SecondaryCellGroup_size); process_nsa_message(NR_UE_rrc_inst, nr_RadioBearerConfigX_r15, nr_RadioBearer_buffer, nr_RadioBearer_size); LOG_I(NR_RRC, "Calling do_NR_RRCReconfigurationComplete. t_id %ld \n", t_id); uint8_t buffer[RRC_BUF_SIZE]; size_t size = do_NR_RRCReconfigurationComplete_for_nsa(buffer, sizeof(buffer), t_id); nsa_sendmsg_to_lte_ue(buffer, size, NR_RRC_CONFIG_COMPLETE_REQ); break; } case OAI_TUN_IFACE_NSA: { LOG_I(NR_RRC, "We got an OAI_TUN_IFACE_NSA!!\n"); char cmd_line[RRC_BUF_SIZE]; memcpy(cmd_line, msg_buffer, sizeof(cmd_line)); LOG_D(NR_RRC, "Command line: %s\n", cmd_line); if (background_system(cmd_line) != 0) { LOG_E(NR_RRC, "ESM-PROC - failed command '%s'", cmd_line); } break; } default: LOG_E(NR_RRC, "No NSA Message Found\n"); } } void nr_ue_rrc_timer_trigger(int module_id, int frame, int slot) { MessageDef *message_p; message_p = itti_alloc_new_message(TASK_RRC_NRUE, 0, NRRRC_SLOT_PROCESS); NRRRC_SLOT_PROCESS(message_p).frame = frame; NRRRC_SLOT_PROCESS(message_p).slot = slot; LOG_D(NR_RRC, "RRC timer trigger: frame %d slot %d \n", frame, slot); itti_send_msg_to_task(TASK_RRC_NRUE, GNB_MODULE_ID_TO_INSTANCE(module_id), message_p); }