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/*
* 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 "NR_DL-DCCH-Message.h" //asn_DEF_NR_DL_DCCH_Message
#include "NR_BCCH-BCH-Message.h" //asn_DEF_NR_BCCH_BCH_Message
#include "NR_CellGroupConfig.h" //asn_DEF_NR_CellGroupConfig
#include "NR_BWP-Downlink.h" //asn_DEF_NR_BWP_Downlink
#include "rrc_list.h"
#include "rrc_defs.h"
#include "rrc_proto.h"
#include "rrc_vars.h"
#include "mac_proto.h"
// from LTE-RRC DL-DCCH RRCConnectionReconfiguration nr-secondary-cell-group-config (encoded)
int8_t nr_rrc_ue_decode_secondary_cellgroup_config(
const uint8_t *buffer,
const uint32_t size ){
NR_CellGroupConfig_t *cell_group_config = NULL;
uint32_t i;
asn_dec_rval_t dec_rval = uper_decode_complete( NULL,
&asn_DEF_NR_CellGroupConfig,
(void **)&cell_group_config,
(uint8_t *)buffer,
size );
if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) {
printf("NR_CellGroupConfig decode error\n");
for (i=0; i<size; i++){
printf("%02x ",buffer[i]);
}
printf("\n");
// free the memory
SEQUENCE_free( &asn_DEF_NR_CellGroupConfig, (void *)cell_group_config, 1 );
return -1;
}
if(NR_UE_rrc_inst->cell_group_config == NULL){
NR_UE_rrc_inst->cell_group_config = cell_group_config;
nr_rrc_ue_process_scg_config(cell_group_config);
}else{
nr_rrc_ue_process_scg_config(cell_group_config);
SEQUENCE_free(&asn_DEF_NR_CellGroupConfig, (void *)cell_group_config, 0);
}
//nr_rrc_mac_config_req_ue( module_id_t module_id, int CC_id, uint8_t gNB_index, NR_MIB_t *mibP, NR_MAC_CellGroupConfig_t *mac_cell_group_configP, NR_PhysicalCellGroupConfig_t *phy_cell_group_configP, NR_SpCellConfig_t *spcell_configP );
return 0;
}
// from LTE-RRC DL-DCCH RRCConnectionReconfiguration nr-secondary-cell-group-config (decoded)
// RRCReconfiguration
int8_t nr_rrc_ue_process_rrcReconfiguration(NR_RRCReconfiguration_t *rrcReconfiguration){
switch(rrcReconfiguration->criticalExtensions.present){
case NR_RRCReconfiguration__criticalExtensions_PR_rrcReconfiguration:
if(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->radioBearerConfig != NULL){
if(NR_UE_rrc_inst->radio_bearer_config == NULL){
NR_UE_rrc_inst->radio_bearer_config = rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->radioBearerConfig;
}else{
nr_rrc_ue_process_radio_bearer_config(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->radioBearerConfig);
}
}
if(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->secondaryCellGroup != NULL){
NR_CellGroupConfig_t *cellGroupConfig = NULL;
uper_decode(NULL,
&asn_DEF_NR_CellGroupConfig, //might be added prefix later
(void **)&cellGroupConfig,
(uint8_t *)rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->secondaryCellGroup->buf,
rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->secondaryCellGroup->size, 0, 0);
if(NR_UE_rrc_inst->cell_group_config == NULL){
// first time receive the configuration, just use the memory allocated from uper_decoder. TODO this is not good implementation, need to maintain RRC_INST own structure every time.
NR_UE_rrc_inst->cell_group_config = cellGroupConfig;
nr_rrc_ue_process_scg_config(cellGroupConfig);
}else{
// after first time, update it and free the memory after.
nr_rrc_ue_process_scg_config(cellGroupConfig);
SEQUENCE_free(&asn_DEF_NR_CellGroupConfig, (void *)cellGroupConfig, 0);
}
}
if(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->measConfig != NULL){
if(NR_UE_rrc_inst->meas_config == NULL){
NR_UE_rrc_inst->meas_config = rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->measConfig;
}else{
// if some element need to be updated
nr_rrc_ue_process_meas_config(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->measConfig);
}
}
if(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->lateNonCriticalExtension != NULL){
// unuse now
}
if(rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration->nonCriticalExtension != NULL){
// unuse now
}
break;
case NR_RRCReconfiguration__criticalExtensions_PR_NOTHING:
case NR_RRCReconfiguration__criticalExtensions_PR_criticalExtensionsFuture:
default:
break;
}
//nr_rrc_mac_config_req_ue();
return 0;
}
int8_t nr_rrc_ue_process_meas_config(NR_MeasConfig_t *meas_config){
return 0;
}
int8_t nr_rrc_ue_process_scg_config(NR_CellGroupConfig_t *cell_group_config){
int i;
if(NR_UE_rrc_inst->cell_group_config==NULL){
// initial list
if(cell_group_config->spCellConfig != NULL){
if(cell_group_config->spCellConfig->spCellConfigDedicated != NULL){
if(cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList != NULL){
for(i=0; i<cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.count; ++i){
RRC_LIST_MOD_ADD(NR_UE_rrc_inst->BWP_Downlink_list, cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[i], bwp_Id);
}
}
}
}
}else{
// maintain list
if(cell_group_config->spCellConfig != NULL){
if(cell_group_config->spCellConfig->spCellConfigDedicated != NULL){
// process element of list to be add by RRC message
if(cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList != NULL){
for(i=0; i<cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.count; ++i){
RRC_LIST_MOD_ADD(NR_UE_rrc_inst->BWP_Downlink_list, cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[i], bwp_Id);
}
}
// process element of list to be release by RRC message
if(cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToReleaseList != NULL){
for(i=0; i<cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToReleaseList->list.count; ++i){
NR_BWP_Downlink_t *freeP = NULL;
RRC_LIST_MOD_REL(NR_UE_rrc_inst->BWP_Downlink_list, bwp_Id, *cell_group_config->spCellConfig->spCellConfigDedicated->downlinkBWP_ToReleaseList->list.array[i], freeP);
if(freeP != NULL){
SEQUENCE_free(&asn_DEF_NR_BWP_Downlink, (void *)freeP, 0);
}
}
}
}
}
}
return 0;
}
int8_t nr_rrc_ue_process_radio_bearer_config(NR_RadioBearerConfig_t *radio_bearer_config){
return 0;
}
int8_t openair_rrc_top_init_ue_nr(void){
if(NB_NR_UE_INST > 0){
NR_UE_rrc_inst = (NR_UE_RRC_INST_t *)malloc(NB_NR_UE_INST * sizeof(NR_UE_RRC_INST_t));
memset(NR_UE_rrc_inst, 0, NB_NR_UE_INST * sizeof(NR_UE_RRC_INST_t));
// fill UE-NR-Capability @ UE-CapabilityRAT-Container here.
// init RRC lists
RRC_LIST_INIT(NR_UE_rrc_inst->RLC_Bearer_Config_list, NR_maxLC_ID);
RRC_LIST_INIT(NR_UE_rrc_inst->SchedulingRequest_list, NR_maxNrofSR_ConfigPerCellGroup);
RRC_LIST_INIT(NR_UE_rrc_inst->TAG_list, NR_maxNrofTAGs);
RRC_LIST_INIT(NR_UE_rrc_inst->TDD_UL_DL_SlotConfig_list, NR_maxNrofSlots);
RRC_LIST_INIT(NR_UE_rrc_inst->BWP_Downlink_list, NR_maxNrofBWPs);
RRC_LIST_INIT(NR_UE_rrc_inst->ControlResourceSet_list[0], 3); // for init-dl-bwp
RRC_LIST_INIT(NR_UE_rrc_inst->ControlResourceSet_list[1], 3); // for dl-bwp id=0
RRC_LIST_INIT(NR_UE_rrc_inst->ControlResourceSet_list[2], 3); // for dl-bwp id=1
RRC_LIST_INIT(NR_UE_rrc_inst->ControlResourceSet_list[3], 3); // for dl-bwp id=2
RRC_LIST_INIT(NR_UE_rrc_inst->ControlResourceSet_list[4], 3); // for dl-bwp id=3
RRC_LIST_INIT(NR_UE_rrc_inst->SearchSpace_list[0], 10);
RRC_LIST_INIT(NR_UE_rrc_inst->SearchSpace_list[1], 10);
RRC_LIST_INIT(NR_UE_rrc_inst->SearchSpace_list[2], 10);
RRC_LIST_INIT(NR_UE_rrc_inst->SearchSpace_list[3], 10);
RRC_LIST_INIT(NR_UE_rrc_inst->SearchSpace_list[4], 10);
RRC_LIST_INIT(NR_UE_rrc_inst->SlotFormatCombinationsPerCell_list[0], NR_maxNrofAggregatedCellsPerCellGroup);
RRC_LIST_INIT(NR_UE_rrc_inst->SlotFormatCombinationsPerCell_list[1], NR_maxNrofAggregatedCellsPerCellGroup);
RRC_LIST_INIT(NR_UE_rrc_inst->SlotFormatCombinationsPerCell_list[2], NR_maxNrofAggregatedCellsPerCellGroup);
RRC_LIST_INIT(NR_UE_rrc_inst->SlotFormatCombinationsPerCell_list[3], NR_maxNrofAggregatedCellsPerCellGroup);
RRC_LIST_INIT(NR_UE_rrc_inst->SlotFormatCombinationsPerCell_list[4], NR_maxNrofAggregatedCellsPerCellGroup);
RRC_LIST_INIT(NR_UE_rrc_inst->TCI_State_list[0], NR_maxNrofTCI_States);
RRC_LIST_INIT(NR_UE_rrc_inst->TCI_State_list[1], NR_maxNrofTCI_States);
RRC_LIST_INIT(NR_UE_rrc_inst->TCI_State_list[2], NR_maxNrofTCI_States);
RRC_LIST_INIT(NR_UE_rrc_inst->TCI_State_list[3], NR_maxNrofTCI_States);
RRC_LIST_INIT(NR_UE_rrc_inst->TCI_State_list[4], NR_maxNrofTCI_States);
RRC_LIST_INIT(NR_UE_rrc_inst->RateMatchPattern_list[0], NR_maxNrofRateMatchPatterns);
RRC_LIST_INIT(NR_UE_rrc_inst->RateMatchPattern_list[1], NR_maxNrofRateMatchPatterns);
RRC_LIST_INIT(NR_UE_rrc_inst->RateMatchPattern_list[2], NR_maxNrofRateMatchPatterns);
RRC_LIST_INIT(NR_UE_rrc_inst->RateMatchPattern_list[3], NR_maxNrofRateMatchPatterns);
RRC_LIST_INIT(NR_UE_rrc_inst->RateMatchPattern_list[4], NR_maxNrofRateMatchPatterns);
RRC_LIST_INIT(NR_UE_rrc_inst->ZP_CSI_RS_Resource_list[0], NR_maxNrofZP_CSI_RS_Resources);
RRC_LIST_INIT(NR_UE_rrc_inst->ZP_CSI_RS_Resource_list[1], NR_maxNrofZP_CSI_RS_Resources);
RRC_LIST_INIT(NR_UE_rrc_inst->ZP_CSI_RS_Resource_list[2], NR_maxNrofZP_CSI_RS_Resources);
RRC_LIST_INIT(NR_UE_rrc_inst->ZP_CSI_RS_Resource_list[3], NR_maxNrofZP_CSI_RS_Resources);
RRC_LIST_INIT(NR_UE_rrc_inst->ZP_CSI_RS_Resource_list[4], NR_maxNrofZP_CSI_RS_Resources);
RRC_LIST_INIT(NR_UE_rrc_inst->Aperidic_ZP_CSI_RS_ResourceSet_list[0], NR_maxNrofZP_CSI_RS_ResourceSets);
RRC_LIST_INIT(NR_UE_rrc_inst->Aperidic_ZP_CSI_RS_ResourceSet_list[1], NR_maxNrofZP_CSI_RS_ResourceSets);
RRC_LIST_INIT(NR_UE_rrc_inst->Aperidic_ZP_CSI_RS_ResourceSet_list[2], NR_maxNrofZP_CSI_RS_ResourceSets);
RRC_LIST_INIT(NR_UE_rrc_inst->Aperidic_ZP_CSI_RS_ResourceSet_list[3], NR_maxNrofZP_CSI_RS_ResourceSets);
RRC_LIST_INIT(NR_UE_rrc_inst->Aperidic_ZP_CSI_RS_ResourceSet_list[4], NR_maxNrofZP_CSI_RS_ResourceSets);
RRC_LIST_INIT(NR_UE_rrc_inst->SP_ZP_CSI_RS_ResourceSet_list[0], NR_maxNrofZP_CSI_RS_ResourceSets);
RRC_LIST_INIT(NR_UE_rrc_inst->SP_ZP_CSI_RS_ResourceSet_list[1], NR_maxNrofZP_CSI_RS_ResourceSets);
RRC_LIST_INIT(NR_UE_rrc_inst->SP_ZP_CSI_RS_ResourceSet_list[2], NR_maxNrofZP_CSI_RS_ResourceSets);
RRC_LIST_INIT(NR_UE_rrc_inst->SP_ZP_CSI_RS_ResourceSet_list[3], NR_maxNrofZP_CSI_RS_ResourceSets);
RRC_LIST_INIT(NR_UE_rrc_inst->SP_ZP_CSI_RS_ResourceSet_list[4], NR_maxNrofZP_CSI_RS_ResourceSets);
RRC_LIST_INIT(NR_UE_rrc_inst->NZP_CSI_RS_Resource_list, NR_maxNrofNZP_CSI_RS_Resources);
RRC_LIST_INIT(NR_UE_rrc_inst->NZP_CSI_RS_ResourceSet_list, NR_maxNrofNZP_CSI_RS_ResourceSets);
RRC_LIST_INIT(NR_UE_rrc_inst->CSI_IM_Resource_list, NR_maxNrofCSI_IM_Resources);
RRC_LIST_INIT(NR_UE_rrc_inst->CSI_IM_ResourceSet_list, NR_maxNrofCSI_IM_ResourceSets);
RRC_LIST_INIT(NR_UE_rrc_inst->CSI_SSB_ResourceSet_list, NR_maxNrofCSI_SSB_ResourceSets);
RRC_LIST_INIT(NR_UE_rrc_inst->CSI_ResourceConfig_list, NR_maxNrofCSI_ResourceConfigurations);
RRC_LIST_INIT(NR_UE_rrc_inst->CSI_ReportConfig_list, NR_maxNrofCSI_ReportConfigurations);
}else{
NR_UE_rrc_inst = NULL;
}
return 0;
}
int8_t nr_ue_process_rlc_bearer_list(NR_CellGroupConfig_t *cell_group_config){
return 0;
}
int8_t nr_ue_process_secondary_cell_list(NR_CellGroupConfig_t *cell_group_config){
return 0;
}
int8_t nr_ue_process_mac_cell_group_config(NR_MAC_CellGroupConfig_t *mac_cell_group_config){
return 0;
}
int8_t nr_ue_process_physical_cell_group_config(NR_PhysicalCellGroupConfig_t *phy_cell_group_config){
return 0;
}
int8_t nr_ue_process_spcell_config(NR_SpCellConfig_t *spcell_config){
return 0;
}
/*brief decode BCCH-BCH (MIB) message*/
int8_t nr_rrc_ue_decode_NR_BCCH_BCH_Message(
const module_id_t module_id,
const uint8_t gNB_index,
uint8_t *const bufferP,
const uint8_t buffer_len ){
int i;
NR_BCCH_BCH_Message_t *bcch_message = NULL;
NR_MIB_t *mib = NR_UE_rrc_inst->mib;
if(mib != NULL){
SEQUENCE_free( &asn_DEF_NR_BCCH_BCH_Message, (void *)mib, 1 );
}
for(i=0; i<buffer_len; ++i){
printf("[RRC] MIB PDU : %d\n", bufferP[i]);
}
asn_dec_rval_t dec_rval = uper_decode_complete( NULL,
&asn_DEF_NR_BCCH_BCH_Message,
(void **)&bcch_message,
(const void *)bufferP,
buffer_len );
if ((dec_rval.code != RC_OK) || (dec_rval.consumed == 0)) {
printf("NR_BCCH_BCH decode error\n");
for (i=0; i<buffer_len; i++){
printf("%02x ",bufferP[i]);
}
printf("\n");
// free the memory
SEQUENCE_free( &asn_DEF_NR_BCCH_BCH_Message, (void *)bcch_message, 1 );
return -1;
}
else {
// link to rrc instance
mib = bcch_message->message.choice.mib;
//memcpy( (void *)mib,
// (void *)&bcch_message->message.choice.mib,
// sizeof(NR_MIB_t) );
nr_rrc_mac_config_req_ue( 0, 0, 0, mib, NULL, NULL, NULL);
}
return 0;
}
// from NR SRB3
int8_t nr_rrc_ue_decode_NR_DL_DCCH_Message(
const module_id_t module_id,
const uint8_t gNB_index,
const uint8_t *bufferP,
const uint32_t buffer_len ){
// uper_decode by nr R15 rrc_connection_reconfiguration
int32_t i;
NR_DL_DCCH_Message_t *nr_dl_dcch_msg = NULL;
asn_dec_rval_t dec_rval = uper_decode( NULL,
&asn_DEF_NR_DL_DCCH_Message,
(void**)&nr_dl_dcch_msg,
(uint8_t *)bufferP,
buffer_len, 0, 0);
if ((dec_rval.code != RC_OK) || (dec_rval.consumed == 0)) {
for (i=0; i<buffer_len; i++)
printf("%02x ",bufferP[i]);
printf("\n");
// free the memory
SEQUENCE_free( &asn_DEF_NR_DL_DCCH_Message, (void *)nr_dl_dcch_msg, 1 );
return -1;
}
if(nr_dl_dcch_msg != NULL){
switch(nr_dl_dcch_msg->message.present){
case NR_DL_DCCH_MessageType_PR_c1:
switch(nr_dl_dcch_msg->message.choice.c1->present){
case NR_DL_DCCH_MessageType__c1_PR_rrcReconfiguration:
nr_rrc_ue_process_rrcReconfiguration(nr_dl_dcch_msg->message.choice.c1->choice.rrcReconfiguration);
break;
case NR_DL_DCCH_MessageType__c1_PR_NOTHING:
#if (NR_RRC_VERSION >= MAKE_VERSION(15, 3, 0))
case NR_DL_DCCH_MessageType__c1_PR_rrcResume:
case NR_DL_DCCH_MessageType__c1_PR_rrcRelease:
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:
#else
case NR_DL_DCCH_MessageType__c1_PR_spare15:
case NR_DL_DCCH_MessageType__c1_PR_spare14:
case NR_DL_DCCH_MessageType__c1_PR_spare13:
case NR_DL_DCCH_MessageType__c1_PR_spare12:
case NR_DL_DCCH_MessageType__c1_PR_spare11:
case NR_DL_DCCH_MessageType__c1_PR_spare10:
case NR_DL_DCCH_MessageType__c1_PR_spare9:
case NR_DL_DCCH_MessageType__c1_PR_spare8:
#endif
case NR_DL_DCCH_MessageType__c1_PR_spare7:
case NR_DL_DCCH_MessageType__c1_PR_spare6:
case NR_DL_DCCH_MessageType__c1_PR_spare5:
case NR_DL_DCCH_MessageType__c1_PR_spare4:
case NR_DL_DCCH_MessageType__c1_PR_spare3:
case NR_DL_DCCH_MessageType__c1_PR_spare2:
case NR_DL_DCCH_MessageType__c1_PR_spare1:
default:
// not support or unuse
break;
}
break;
case NR_DL_DCCH_MessageType_PR_NOTHING:
case NR_DL_DCCH_MessageType_PR_messageClassExtension:
default:
// not support or unuse
break;
}
// release memory allocation
SEQUENCE_free( &asn_DEF_NR_DL_DCCH_Message, (void *)nr_dl_dcch_msg, 1 );
}else{
// log..
}
return 0;
}