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Preparation of NR Sidelink Pre-Configuration message

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This commit is contained in:
Raghavendra Dinavahi
2023-07-19 10:54:51 +02:00
parent fe61354173
commit daf8e3732f
4 changed files with 593 additions and 0 deletions
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CMakeLists.txt
+1
View File
@@ -1311,6 +1311,7 @@ set(NR_L2_SRC_UE
${NR_UE_RRC_DIR}/rrc_UE.c
${NR_UE_RRC_DIR}/rrc_nsa.c
${NR_UE_RRC_DIR}/rrc_timers_and_constants.c
${NR_UE_RRC_DIR}/rrc_sl_preconfig.c
)
set (MAC_SRC
openair2/RRC/NR_UE/rrc_UE.c
+4
View File
@@ -451,6 +451,10 @@ NR_UE_RRC_INST_t* openair_rrc_top_init_ue_nr(char* uecap_file, char* rrc_config_
{
LOG_D(NR_RRC, "In NSA mode \n");
}
if (get_softmodem_params()->sl_mode) {
configure_NR_SL_Preconfig();
}
}
else{
NR_UE_rrc_inst = NULL;
openair2/RRC/NR_UE/rrc_proto.h
+1
View File
@@ -173,6 +173,7 @@ void handle_rlf_sync(NR_UE_Timers_Constants_t *tac,
void nr_rrc_handle_SetupRelease_RLF_TimersAndConstants(NR_UE_RRC_INST_t *rrc,
struct NR_SetupRelease_RLF_TimersAndConstants *rlf_TimersAndConstants);
void configure_NR_SL_Preconfig(void);
/** @}*/
#endif
openair2/RRC/NR_UE/rrc_sl_preconfig.c
+587
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@@ -0,0 +1,587 @@
/*
* 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_sl_preconfig.c
* \brief Preparation of Sidelink-Preconfiguration message
* \author Raghavendra Dinavahi
* \date
* \version
* \company Fraunhofer IIS
* \email
* \note
* \warning
*/
#define RRC_SL_PRECONFIG
#define RRC_SL_PRECONFIG_C
#include "oai_asn1.h"
#include "NR_SL-PreconfigurationNR-r16.h"
#include "common/utils/LOG/log.h"
static void prepare_NR_SL_SyncConfig(NR_SL_SyncConfig_r16_t *sl_syncconfig) {
// Hysteris when evaluating SyncRef UE
sl_syncconfig->sl_SyncRefMinHyst_r16 = NULL;
// Hysteris when evaluating SyncRef UE
sl_syncconfig->sl_SyncRefDiffHyst_r16 = NULL;
// Filtering for SL RSRP
sl_syncconfig->sl_filterCoefficient_r16 = NULL;
// SSB Periodicity within 16 frames.
sl_syncconfig->sl_SSB_TimeAllocation1_r16 = calloc(1, sizeof(NR_SL_SSB_TimeAllocation_r16_t));
sl_syncconfig->sl_SSB_TimeAllocation1_r16->sl_NumSSB_WithinPeriod_r16 = calloc(1, sizeof(long));
sl_syncconfig->sl_SSB_TimeAllocation1_r16->sl_TimeOffsetSSB_r16 = calloc(1, sizeof(long));
sl_syncconfig->sl_SSB_TimeAllocation1_r16->sl_TimeInterval_r16 = calloc(1, sizeof(long));
*sl_syncconfig->sl_SSB_TimeAllocation1_r16->sl_NumSSB_WithinPeriod_r16 = NR_SL_SSB_TimeAllocation_r16__sl_NumSSB_WithinPeriod_r16_n2;
*sl_syncconfig->sl_SSB_TimeAllocation1_r16->sl_TimeOffsetSSB_r16 = 8;
*sl_syncconfig->sl_SSB_TimeAllocation1_r16->sl_TimeInterval_r16 = 120;
sl_syncconfig->sl_SSB_TimeAllocation2_r16 = NULL;
sl_syncconfig->sl_SSB_TimeAllocation3_r16 = NULL;
//SLSS Id
sl_syncconfig->sl_SSID_r16 = NULL;
// Threshold to be used in coverage
sl_syncconfig->txParameters_r16.syncTxThreshIC_r16 = NULL;
// Threshold to be used when Out of coverage
sl_syncconfig->txParameters_r16.syncTxThreshOoC_r16 = NULL;
// Syncconfig is used when UE is synced to GNSS if set, else if UE is synced to eNB/gNB
sl_syncconfig->gnss_Sync_r16 = calloc(1, sizeof(long));
*sl_syncconfig->gnss_Sync_r16 = 0; // GNSS
}
static void prepare_NR_SL_ResourcePool(NR_SL_ResourcePool_r16_t *sl_res_pool,
uint16_t is_txpool,
uint16_t is_sl_syncsource) {
// PSCCH configuration
sl_res_pool->sl_PSCCH_Config_r16 = calloc(1, sizeof(*sl_res_pool->sl_PSCCH_Config_r16));
sl_res_pool->sl_PSCCH_Config_r16->present = NR_SetupRelease_SL_PSCCH_Config_r16_PR_setup;
sl_res_pool->sl_PSCCH_Config_r16->choice.setup = calloc(1, sizeof(NR_SL_PSCCH_Config_r16_t));
// Indicates number of symbols for PSCCH in a resource pool
sl_res_pool->sl_PSCCH_Config_r16->choice.setup->sl_TimeResourcePSCCH_r16 = calloc(1, sizeof(long));
*sl_res_pool->sl_PSCCH_Config_r16->choice.setup->sl_TimeResourcePSCCH_r16 = NR_SL_PSCCH_Config_r16__sl_TimeResourcePSCCH_r16_n3;
// Indicates number of PRBs for PSCCH in a resource pool
sl_res_pool->sl_PSCCH_Config_r16->choice.setup->sl_FreqResourcePSCCH_r16 = calloc(1, sizeof(long));
*sl_res_pool->sl_PSCCH_Config_r16->choice.setup->sl_FreqResourcePSCCH_r16 = NR_SL_PSCCH_Config_r16__sl_FreqResourcePSCCH_r16_n25;
// Inititation during PSCCH DMRS Sequence generation
sl_res_pool->sl_PSCCH_Config_r16->choice.setup->sl_DMRS_ScrambleID_r16 = calloc(1, sizeof(long));
*sl_res_pool->sl_PSCCH_Config_r16->choice.setup->sl_DMRS_ScrambleID_r16 = 0;
// num reserve bits used for first stage SCI
sl_res_pool->sl_PSCCH_Config_r16->choice.setup->sl_NumReservedBits_r16 = calloc(1, sizeof(long));
*sl_res_pool->sl_PSCCH_Config_r16->choice.setup->sl_NumReservedBits_r16 = 2;
//PSSCH Configuration
sl_res_pool->sl_PSSCH_Config_r16 = calloc(1, sizeof(NR_SetupRelease_SL_PSSCH_Config_r16_t));
sl_res_pool->sl_PSSCH_Config_r16->present = NR_SetupRelease_SL_PSSCH_Config_r16_PR_setup;
sl_res_pool->sl_PSSCH_Config_r16->choice.setup = calloc(1, sizeof(NR_SL_PSSCH_Config_r16_t));
sl_res_pool->sl_PSSCH_Config_r16->choice.setup->sl_PSSCH_DMRS_TimePatternList_r16 =
calloc(1, sizeof(*sl_res_pool->sl_PSSCH_Config_r16->choice.setup->sl_PSSCH_DMRS_TimePatternList_r16));
for(int i=0; i<3; i++) {
long *p = calloc(1, sizeof(long));
*p = 2+i; // valid values: 2..4
ASN_SEQUENCE_ADD(&sl_res_pool->sl_PSSCH_Config_r16->choice.setup->sl_PSSCH_DMRS_TimePatternList_r16->list, p);
}
//PSFCH configuration
sl_res_pool->sl_PSFCH_Config_r16 = NULL;
// indicates allowed sync sources which are allowed to use this resource pool
sl_res_pool->sl_SyncAllowed_r16 = calloc(1, sizeof(NR_SL_SyncAllowed_r16_t));
//configured resources can be used if UE is directly/indirectly synced to network.
sl_res_pool->sl_SyncAllowed_r16->gnbEnb_Sync_r16 = NULL;
//configured resources can be used if UE is directly/indirectly synced to GNSS.
sl_res_pool->sl_SyncAllowed_r16->gnss_Sync_r16 = calloc(1, sizeof(long));
*sl_res_pool->sl_SyncAllowed_r16->gnss_Sync_r16 = NR_SL_SyncAllowed_r16__gnss_Sync_r16_true;
//configured resources can be used if UE is directly/indirectly synced to SYNC REF UE.
sl_res_pool->sl_SyncAllowed_r16->ue_Sync_r16 = calloc(1, sizeof(long));
*sl_res_pool->sl_SyncAllowed_r16->ue_Sync_r16 = NR_SL_SyncAllowed_r16__ue_Sync_r16_true;
//Min freq domain resources used for resource sensing. Size of Subchannels
sl_res_pool->sl_SubchannelSize_r16 = calloc(1, sizeof(long));
*sl_res_pool->sl_SubchannelSize_r16 = NR_SL_ResourcePool_r16__sl_SubchannelSize_r16_n50;
sl_res_pool->dummy = NULL;
// lowest RB index of lowest subch in this resource pool
sl_res_pool->sl_StartRB_Subchannel_r16 = calloc(1, sizeof(long));
*sl_res_pool->sl_StartRB_Subchannel_r16 = 0; // STARTs from RB0
//number of subchannels in this res pool. contiguous PRBs
sl_res_pool->sl_NumSubchannel_r16 = calloc(1, sizeof(long));
*sl_res_pool->sl_NumSubchannel_r16 = 1;
// 64QAM table is default. in case other MCS tables needs tobe used.
sl_res_pool->sl_Additional_MCS_Table_r16 = NULL;
sl_res_pool->sl_ThreshS_RSSI_CBR_r16 = NULL;
sl_res_pool->sl_TimeWindowSizeCBR_r16 = NULL;
sl_res_pool->sl_TimeWindowSizeCR_r16 = NULL;
sl_res_pool->sl_PTRS_Config_r16 = NULL;
sl_res_pool->sl_UE_SelectedConfigRP_r16 = NULL;
sl_res_pool->sl_RxParametersNcell_r16 = NULL;
sl_res_pool->sl_ZoneConfigMCR_List_r16 = NULL;
sl_res_pool->sl_FilterCoefficient_r16 = NULL;
//number of contiguous PRBS in this res pool.
sl_res_pool->sl_RB_Number_r16 = calloc(1, sizeof(long));
*sl_res_pool->sl_RB_Number_r16 = 50;
sl_res_pool->sl_PreemptionEnable_r16 = NULL;
sl_res_pool->sl_PriorityThreshold_UL_URLLC_r16 = NULL;
sl_res_pool->sl_PriorityThreshold_r16 = NULL;
sl_res_pool->sl_X_Overhead_r16 = NULL;
sl_res_pool->sl_PowerControl_r16 = NULL;
sl_res_pool->sl_TxPercentageList_r16 = NULL;
sl_res_pool->sl_MinMaxMCS_List_r16 = NULL;
sl_res_pool->ext1 = calloc(1, sizeof(*sl_res_pool->ext1));
sl_res_pool->ext1->sl_TimeResource_r16 = calloc(1, sizeof(*sl_res_pool->ext1->sl_TimeResource_r16));
sl_res_pool->ext1->sl_TimeResource_r16->size = 8;
sl_res_pool->ext1->sl_TimeResource_r16->bits_unused = 4;
sl_res_pool->ext1->sl_TimeResource_r16->buf = calloc(sl_res_pool->ext1->sl_TimeResource_r16->size, sizeof(uint8_t));
// EX: BITMAP 10101010.. indicating every alternating slot supported for sidelink
for (int i=0;i<sl_res_pool->ext1->sl_TimeResource_r16->size;i++) {
if (is_txpool) {
sl_res_pool->ext1->sl_TimeResource_r16->buf[i] = (is_sl_syncsource) ? 0xAA //0x88;//0xAA;
: 0x55;//0x11;//0x55;
} else {
sl_res_pool->ext1->sl_TimeResource_r16->buf[i] = (is_sl_syncsource) ? 0x55 //0x88;//0xAA;
: 0xAA;//0x11;//0x55;
}
}
// mask out unused bits
sl_res_pool->ext1->sl_TimeResource_r16->buf[sl_res_pool->ext1->sl_TimeResource_r16->size - 1] &= (0 - (1 << (sl_res_pool->ext1->sl_TimeResource_r16->bits_unused)));
}
static void prepare_NR_SL_BWPConfigCommon(NR_SL_BWP_ConfigCommon_r16_t *sl_bwp,
uint16_t num_tx_pools,
uint16_t num_rx_pools,
uint16_t sl_syncsource) {
sl_bwp->sl_BWP_Generic_r16 = calloc(1, sizeof(NR_SL_BWP_Generic_r16_t));
sl_bwp->sl_BWP_Generic_r16->sl_BWP_r16 = calloc(1, sizeof(NR_BWP_t));
// if Cyclicprefix is NULL, then default value Normal cyclic prefix is configured. else EXT CP.
sl_bwp->sl_BWP_Generic_r16->sl_BWP_r16->cyclicPrefix = NULL;
//30Khz and 40Mhz - 106 RBs
sl_bwp->sl_BWP_Generic_r16->sl_BWP_r16->locationAndBandwidth = 28875;
sl_bwp->sl_BWP_Generic_r16->sl_BWP_r16->subcarrierSpacing = NR_SubcarrierSpacing_kHz30;
sl_bwp->sl_BWP_Generic_r16->sl_LengthSymbols_r16 = calloc(1, sizeof(long));
// Value can be between symbols 7 to 14
*sl_bwp->sl_BWP_Generic_r16->sl_LengthSymbols_r16 = NR_SL_BWP_Generic_r16__sl_LengthSymbols_r16_sym14;
sl_bwp->sl_BWP_Generic_r16->sl_StartSymbol_r16 = calloc(1, sizeof(long));
// Value can be between symbols 0 to 7
*sl_bwp->sl_BWP_Generic_r16->sl_StartSymbol_r16 = NR_SL_BWP_Generic_r16__sl_StartSymbol_r16_sym0;
sl_bwp->sl_BWP_Generic_r16->sl_PSBCH_Config_r16 = calloc(1,sizeof(NR_SL_PSBCH_Config_r16_t));
// PSBCH CONFIG contains PO and alpha for PSBCH powercontrol.
sl_bwp->sl_BWP_Generic_r16->sl_PSBCH_Config_r16->present = NR_SetupRelease_SL_PSBCH_Config_r16_PR_release;
sl_bwp->sl_BWP_Generic_r16->sl_TxDirectCurrentLocation_r16 = NULL;
sl_bwp->sl_BWP_PoolConfigCommon_r16 = calloc(1, sizeof(NR_SL_BWP_PoolConfigCommon_r16_t));
if (num_rx_pools) {
AssertFatal(num_rx_pools >= 1, "Currently supports only 1 RX pool\n");
// Receiving resource pool.
NR_SL_ResourcePool_r16_t *respool = calloc(1, sizeof(*respool));
sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_RxPool_r16 = calloc(1, sizeof(*sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_RxPool_r16));
ASN_SEQUENCE_ADD(&sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_RxPool_r16->list, respool);
// Fill RX resource pool
prepare_NR_SL_ResourcePool(sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_RxPool_r16->list.array[0], 0, sl_syncsource);
} else
sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_RxPool_r16 = NULL;
if (num_tx_pools) {
AssertFatal(num_tx_pools >= 1, "Currently supports only 1 TX pool\n");
//resource pool(s) to transmit NR SL
NR_SL_ResourcePoolConfig_r16_t *respoolcfg = calloc(1, sizeof(*respoolcfg));
sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_TxPoolSelectedNormal_r16 = calloc(1, sizeof(*sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_TxPoolSelectedNormal_r16));
ASN_SEQUENCE_ADD(&sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_TxPoolSelectedNormal_r16->list, respoolcfg);
sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_TxPoolSelectedNormal_r16->list.array[0]->sl_ResourcePoolID_r16 = 1;
sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_TxPoolSelectedNormal_r16->list.array[0]->sl_ResourcePool_r16 = calloc(1, sizeof(NR_SL_ResourcePool_r16_t));
// Fill tx resource pool
prepare_NR_SL_ResourcePool(sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_TxPoolSelectedNormal_r16->list.array[0]->sl_ResourcePool_r16, num_tx_pools, sl_syncsource);
} else
sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_TxPoolSelectedNormal_r16 = NULL;
sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_TxPoolExceptional_r16 = NULL;
}
static void prepare_NR_SL_FreqConfigCommon(NR_SL_FreqConfigCommon_r16_t *sl_fcfg,
uint16_t num_tx_pools,
uint16_t num_rx_pools,
uint16_t sl_syncsource) {
// Sub carrier spacing used on this frequency configured.
NR_SCS_SpecificCarrier_t *scs_specific = calloc(1, sizeof(*scs_specific));
ASN_SEQUENCE_ADD(&sl_fcfg->sl_SCS_SpecificCarrierList_r16.list, scs_specific);
sl_fcfg->sl_SCS_SpecificCarrierList_r16.list.array[0]->offsetToCarrier = 0;
sl_fcfg->sl_SCS_SpecificCarrierList_r16.list.array[0]->subcarrierSpacing = NR_SubcarrierSpacing_kHz30;
sl_fcfg->sl_SCS_SpecificCarrierList_r16.list.array[0]->carrierBandwidth = 106; //40Mhz
// NR bands for Sidelink n47, n38.
// N47band - 5855Mhz - 5925Mhz
sl_fcfg->sl_AbsoluteFrequencyPointA_r16 = 792000; //freq 5880Mhz
//SL SSB chosen to be located from RB10 to RB21. points to the middle of the SSB block.
//SSB location should be within Sidelink BWP
//792000 + 10*12*2 + 66*2. channel raster is 15Khz for band47
sl_fcfg->sl_AbsoluteFrequencySSB_r16 = calloc(1, sizeof(NR_ARFCN_ValueNR_t));
*sl_fcfg->sl_AbsoluteFrequencySSB_r16 = 792372;
//NR SL transmission with a 7.5 Khz shift to the LTE raster. if absent, freq shift is disabled.
//Required if carrier freq configured for NR SL shared by LTE SL
sl_fcfg->frequencyShift7p5khzSL_r16 = NULL;
//NR SL transmission with valueN*5Khz shift to LTE raster.
sl_fcfg->valueN_r16 = 0;
// Sidelink BWP configuration.
// In REL16, 17 SUPPORTS only 1 SIDELINK Bandwidth part
NR_SL_BWP_ConfigCommon_r16_t *bwpcfgcommon = calloc(1, sizeof(*bwpcfgcommon));
sl_fcfg->sl_BWP_List_r16 = calloc(1, sizeof(*sl_fcfg->sl_BWP_List_r16));
ASN_SEQUENCE_ADD(&sl_fcfg->sl_BWP_List_r16->list, bwpcfgcommon);
prepare_NR_SL_BWPConfigCommon(sl_fcfg->sl_BWP_List_r16->list.array[0], num_tx_pools, num_rx_pools, sl_syncsource);
// sync prio between GNSS and gNB/eNB
sl_fcfg->sl_SyncPriority_r16 = calloc(1, sizeof(long));
*sl_fcfg->sl_SyncPriority_r16 = 0; // Set to GNSS
// If TRUE/1 - Network can be selected as sync source directly/indirectly in case syncprio = GNSS.
sl_fcfg->sl_NbAsSync_r16 = calloc(1, sizeof(long));
*sl_fcfg->sl_NbAsSync_r16 = 1;
// config info related to rx and tx of SL SYNC SIGNALS (SLSS)
NR_SL_SyncConfig_r16_t *synccfg = calloc(1, sizeof(*synccfg));
sl_fcfg->sl_SyncConfigList_r16 = calloc(1, sizeof(*sl_fcfg->sl_SyncConfigList_r16));
ASN_SEQUENCE_ADD(&sl_fcfg->sl_SyncConfigList_r16->list, synccfg);
prepare_NR_SL_SyncConfig(sl_fcfg->sl_SyncConfigList_r16->list.array[0]);
}
NR_SL_PreconfigurationNR_r16_t *prepare_NR_SL_PRECONFIGURATION(uint16_t num_tx_pools,
uint16_t num_rx_pools,
uint16_t sl_syncsource) {
NR_SL_PreconfigurationNR_r16_t *sl_preconfiguration = CALLOC(1, sizeof(NR_SL_PreconfigurationNR_r16_t));
NR_SidelinkPreconfigNR_r16_t *sl_preconfig = &sl_preconfiguration->sidelinkPreconfigNR_r16;
//FILL in Frequency config common
NR_SL_FreqConfigCommon_r16_t *freqcfgcommon = calloc(1, sizeof(*freqcfgcommon));
sl_preconfig->sl_PreconfigFreqInfoList_r16 = calloc(1, sizeof(*sl_preconfig->sl_PreconfigFreqInfoList_r16));
//Supported only 1 FREQs for NR SL communication.
ASN_SEQUENCE_ADD(&sl_preconfig->sl_PreconfigFreqInfoList_r16->list, freqcfgcommon);
prepare_NR_SL_FreqConfigCommon(sl_preconfig->sl_PreconfigFreqInfoList_r16->list.array[0],
num_tx_pools, num_rx_pools, sl_syncsource);
// NR Frequency list
sl_preconfig->sl_PreconfigNR_AnchorCarrierFreqList_r16 = NULL;
// EUTRA Frequency list
sl_preconfig->sl_PreconfigEUTRA_AnchorCarrierFreqList_r16 = NULL;
// NR sidelink radio bearer(s) configuration(s)
sl_preconfig->sl_RadioBearerPreConfigList_r16 = NULL; // fill later
// NR sidelink RLC bearer(s) configuration(s)
sl_preconfig->sl_RLC_BearerPreConfigList_r16 = NULL; // fill later
//Measurement and reporting configuration
sl_preconfig->sl_MeasPreConfig_r16 = NULL;
//DFN timing offset used if GNSS is used as sync source.
//1-.001ms, 2 - .002ms so on. value 0 if absent.
sl_preconfig->sl_OffsetDFN_r16 = NULL;
// t400 started upon txn of RRCreconfSidelink.
sl_preconfig->t400_r16 = NULL;
//Max num consecutive HARQ DTX before triggering SL RLF.
sl_preconfig->sl_MaxNumConsecutiveDTX_r16 = NULL;
//Priority of SSB transmission and reception. used in comparison to UL rxns/txns
sl_preconfig->sl_SSB_PriorityNR_r16 = NULL;
//Contains TDD ULDL confiuguration to be used by the sync source UE.
//Currently set to the default used in OAI 5G. Changes TBD..
//For the UE with sync reference as another UE, TDD ULDL config is determined from SL-MIB
sl_preconfig->sl_PreconfigGeneral_r16 = calloc(1, sizeof(NR_SL_PreconfigGeneral_r16_t));
sl_preconfig->sl_PreconfigGeneral_r16->sl_TDD_Configuration_r16 = calloc(1, sizeof(NR_TDD_UL_DL_ConfigCommon_t));
NR_TDD_UL_DL_ConfigCommon_t *tdd_ul_dl_cfg = sl_preconfig->sl_PreconfigGeneral_r16->sl_TDD_Configuration_r16;
tdd_ul_dl_cfg->pattern1.dl_UL_TransmissionPeriodicity = NR_TDD_UL_DL_Pattern__dl_UL_TransmissionPeriodicity_ms2p5;
tdd_ul_dl_cfg->pattern1.nrofDownlinkSlots = 7;
tdd_ul_dl_cfg->pattern1.nrofDownlinkSymbols = 10;
tdd_ul_dl_cfg->pattern1.nrofUplinkSlots = 2;
tdd_ul_dl_cfg->pattern1.nrofUplinkSymbols = 4;
tdd_ul_dl_cfg->pattern1.ext1 = NULL;
tdd_ul_dl_cfg->pattern2 = NULL;
// Configurations used for UE autonomous resource selection
sl_preconfig->sl_UE_SelectedPreConfig_r16 = NULL;
// indicates if CSI reporting supported in SL unicast.
sl_preconfig->sl_CSI_Acquisition_r16 = NULL;
// ROHC profiles for NR SL
sl_preconfig->sl_RoHC_Profiles_r16 = NULL;
// MaxCID value for PDCP as specified in 38.323
sl_preconfig->sl_MaxCID_r16 = NULL;
return sl_preconfiguration;
}
static void dump_NR_SL_ResourcePoolParams(NR_SL_ResourcePool_r16_t *respool) {
if (respool->sl_PSCCH_Config_r16 &&
respool->sl_PSCCH_Config_r16->present == NR_SetupRelease_SL_PSCCH_Config_r16_PR_setup) {
NR_SL_PSCCH_Config_r16_t *pscch_cfg = respool->sl_PSCCH_Config_r16->choice.setup;
LOG_I(NR_RRC,"PSCCH config: sl_TimeResourcePSCCH:%ld, sl_FreqResourcePSCCH:%ld, sl_DMRS_ScrambleID:%ld, sl_NumReservedBits:%ld\n",
(pscch_cfg->sl_TimeResourcePSCCH_r16)? *pscch_cfg->sl_TimeResourcePSCCH_r16 : 0,
(pscch_cfg->sl_FreqResourcePSCCH_r16)? *pscch_cfg->sl_FreqResourcePSCCH_r16 : 0,
(pscch_cfg->sl_DMRS_ScrambleID_r16)? *pscch_cfg->sl_DMRS_ScrambleID_r16 : 0,
(pscch_cfg->sl_NumReservedBits_r16)? *pscch_cfg->sl_NumReservedBits_r16 : 0);
} else {
LOG_I(NR_RRC,"PSCCH CONFIG: not present\n");
}
if (respool->sl_PSSCH_Config_r16 &&
respool->sl_PSSCH_Config_r16->present == NR_SetupRelease_SL_PSSCH_Config_r16_PR_setup) {
LOG_I(NR_RRC,"PSSCH config: present\n");
} else {
LOG_I(NR_RRC,"PSSCH CONFIG: not present\n");
}
if (respool->sl_PSFCH_Config_r16 &&
respool->sl_PSFCH_Config_r16->present == NR_SetupRelease_SL_PSFCH_Config_r16_PR_setup) {
LOG_I(NR_RRC,"PSFCH config: present\n");
} else {
LOG_I(NR_RRC,"PSFCH CONFIG: not present\n");
}
LOG_I(NR_RRC,"Subchannels info: sl_SubchannelSize:%ld, sl_StartRB_Subchannel:%ld, sl_NumSubchannel:%ld, sl_RB_Number:%ld\n",
(respool->sl_SubchannelSize_r16)? *respool->sl_SubchannelSize_r16 : 0,
(respool->sl_StartRB_Subchannel_r16)? *respool->sl_StartRB_Subchannel_r16 : 0,
(respool->sl_NumSubchannel_r16)? *respool->sl_NumSubchannel_r16 : 0,
(respool->sl_RB_Number_r16)? *respool->sl_RB_Number_r16 : 0);
if (respool->ext1 &&
respool->ext1->sl_TimeResource_r16) {
int size = respool->ext1->sl_TimeResource_r16->size;
int unused = respool->ext1->sl_TimeResource_r16->bits_unused;
LOG_I(NR_RRC, "sl_TimeResource bitmap len:%d\n",size*8-unused);
for (int i=0;i<size;i++) {
LOG_I(NR_RRC, "sl_TimeResource bitmap buf[%d]:%x\n",i,respool->ext1->sl_TimeResource_r16->buf[i]);
}
}
}
static void dump_NR_SL_FreqConfigCommonParams(NR_SL_FreqConfigCommon_r16_t *sl_fcfg) {
LOG_I(NR_RRC, "NR_SL_FreqConfigCommon_r16 IEs.............\n");
LOG_I(NR_RRC, "sl_AbsoluteFrequencyPointA:%ld \n", sl_fcfg->sl_AbsoluteFrequencyPointA_r16);
if (sl_fcfg->sl_AbsoluteFrequencySSB_r16) {
LOG_I(NR_RRC, "*sl_AbsoluteFrequencySSB_r16:%ld \n", *sl_fcfg->sl_AbsoluteFrequencySSB_r16);
}
int num = sl_fcfg->sl_SCS_SpecificCarrierList_r16.list.count;
for (int i = 0; i < num; i++) {
LOG_I(NR_RRC," SCS entry[%d]: offsetToCarrier:%ld, subcarrierSpacing:%ld, carrierBw:%ld \n",
i, sl_fcfg->sl_SCS_SpecificCarrierList_r16.list.array[i]->offsetToCarrier,
sl_fcfg->sl_SCS_SpecificCarrierList_r16.list.array[i]->subcarrierSpacing,
sl_fcfg->sl_SCS_SpecificCarrierList_r16.list.array[i]->carrierBandwidth);
}
LOG_I(NR_RRC, "valueN_r16:%ld \n", sl_fcfg->valueN_r16);
if (sl_fcfg->sl_BWP_List_r16) {
num = sl_fcfg->sl_BWP_List_r16->list.count;
LOG_I(NR_RRC, "Sidelink BWPs configured:%d\n", num);
for (int i = 0; i < num; i++) {
NR_SL_BWP_ConfigCommon_r16_t *sl_bwp = sl_fcfg->sl_BWP_List_r16->list.array[i];
if (sl_bwp->sl_BWP_Generic_r16 &&
sl_bwp->sl_BWP_Generic_r16->sl_BWP_r16) {
LOG_I(NR_RRC," SL-BWP[%d]: CyclicPrefix:%s, scs:%ld, locandBw:%ld\n",
i, (sl_bwp->sl_BWP_Generic_r16->sl_BWP_r16->cyclicPrefix) ? "EXTENDED" : "NORMAL",
sl_bwp->sl_BWP_Generic_r16->sl_BWP_r16->subcarrierSpacing,
sl_bwp->sl_BWP_Generic_r16->sl_BWP_r16->locationAndBandwidth);
LOG_I(NR_RRC," SL-BWP[%d]: sl_LengthSymbols:%ld, sl_StartSymbol:%ld\n",
i, *sl_bwp->sl_BWP_Generic_r16->sl_LengthSymbols_r16,
*sl_bwp->sl_BWP_Generic_r16->sl_StartSymbol_r16);
if (sl_bwp->sl_BWP_PoolConfigCommon_r16 &&
sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_RxPool_r16) {
int num_rxpools = sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_RxPool_r16->list.count;
LOG_I(NR_RRC, "NUM RX RESOURCE POOLs:%d\n", num_rxpools);
for (int i=0; i<num_rxpools;i++) {
LOG_I(NR_RRC, "RX RESOURCE POOL[%d]..... \n", i);
dump_NR_SL_ResourcePoolParams(sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_RxPool_r16->list.array[i]);
}
}
if (sl_bwp->sl_BWP_PoolConfigCommon_r16 &&
sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_TxPoolSelectedNormal_r16) {
int num_txpools = sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_TxPoolSelectedNormal_r16->list.count;
LOG_I(NR_RRC, "NUM TX RESOURCE POOLs:%d\n", num_txpools);
for (int i=0; i<num_txpools;i++) {
LOG_I(NR_RRC, "TX RESOURCE POOL[%d]..... \n", i);
dump_NR_SL_ResourcePoolParams(sl_bwp->sl_BWP_PoolConfigCommon_r16->sl_TxPoolSelectedNormal_r16->list.array[i]->sl_ResourcePool_r16);
}
}
}
}
}
if (sl_fcfg->sl_SyncConfigList_r16) {
int num = sl_fcfg->sl_SyncConfigList_r16->list.count;
LOG_I(NR_RRC, "NUM SyncConfig entries:%d\n", num);
for (int i=0;i<num;i++) {
NR_SL_SyncConfig_r16_t *synccfg = sl_fcfg->sl_SyncConfigList_r16->list.array[i];
if (synccfg->sl_SSB_TimeAllocation1_r16) {
NR_SL_SSB_TimeAllocation_r16_t *ssb_ta = synccfg->sl_SSB_TimeAllocation1_r16;
LOG_I(NR_RRC, "syncconfig[%d]: Timealloc1, sl_NumSSB_WithinPeriod:%ld, sl_TimeOffsetSSB:%ld,sl_TimeInterval:%ld\n",
i, (ssb_ta->sl_NumSSB_WithinPeriod_r16) ? *ssb_ta->sl_NumSSB_WithinPeriod_r16 : 0,
(ssb_ta->sl_TimeOffsetSSB_r16) ? *ssb_ta->sl_TimeOffsetSSB_r16 : 0,
(ssb_ta->sl_TimeInterval_r16) ? *ssb_ta->sl_TimeInterval_r16 : 0);
} else {
LOG_I(NR_RRC, "syncconfig[%d]: Timealloc1 not present\n",i);
}
if (synccfg->sl_SSB_TimeAllocation2_r16) {
NR_SL_SSB_TimeAllocation_r16_t *ssb_ta = synccfg->sl_SSB_TimeAllocation2_r16;
LOG_I(NR_RRC, "syncconfig[%d]: Timealloc2, sl_NumSSB_WithinPeriod:%ld, sl_TimeOffsetSSB:%ld,sl_TimeInterval:%ld\n",
i, (ssb_ta->sl_NumSSB_WithinPeriod_r16) ? *ssb_ta->sl_NumSSB_WithinPeriod_r16 : 0,
(ssb_ta->sl_TimeOffsetSSB_r16) ? *ssb_ta->sl_TimeOffsetSSB_r16 : 0,
(ssb_ta->sl_TimeInterval_r16) ? *ssb_ta->sl_TimeInterval_r16 : 0);
} else {
LOG_I(NR_RRC, "syncconfig[%d]: Timealloc2 not present\n",i);
}
if (synccfg->sl_SSB_TimeAllocation3_r16) {
NR_SL_SSB_TimeAllocation_r16_t *ssb_ta = synccfg->sl_SSB_TimeAllocation3_r16;
LOG_I(NR_RRC, "syncconfig[%d]: Timealloc3, sl_NumSSB_WithinPeriod:%ld, sl_TimeOffsetSSB:%ld,sl_TimeInterval:%ld\n",
i, (ssb_ta->sl_NumSSB_WithinPeriod_r16) ? *ssb_ta->sl_NumSSB_WithinPeriod_r16 : 0,
(ssb_ta->sl_TimeOffsetSSB_r16) ? *ssb_ta->sl_TimeOffsetSSB_r16 : 0,
(ssb_ta->sl_TimeInterval_r16) ? *ssb_ta->sl_TimeInterval_r16 : 0);
} else {
LOG_I(NR_RRC, "syncconfig[%d]: Timealloc3 not present\n",i);
}
}
}
}
void dump_NR_SL_Preconfiguration(NR_SL_PreconfigurationNR_r16_t *sl_preconfiguration) {
NR_SidelinkPreconfigNR_r16_t *sl_preconfig = &sl_preconfiguration->sidelinkPreconfigNR_r16;
AssertFatal(sl_preconfiguration || sl_preconfig ,"Sl_preconf cannot be NULL\n");
LOG_I(NR_RRC, "-------------START of NR_SL_Preconfiguration IEs............\n");
if (sl_preconfig->sl_PreconfigFreqInfoList_r16) {
int num = sl_preconfig->sl_PreconfigFreqInfoList_r16->list.count;
LOG_I(NR_RRC, "Number of Sidelink Frequencies configured:%d\n", num);
for (int i=0;i<num;i++) {
dump_NR_SL_FreqConfigCommonParams(sl_preconfig->sl_PreconfigFreqInfoList_r16->list.array[0]);
}
}
if (sl_preconfig->sl_PreconfigGeneral_r16 &&
sl_preconfig->sl_PreconfigGeneral_r16->sl_TDD_Configuration_r16) {
NR_TDD_UL_DL_ConfigCommon_t *tdd_ul_dl_cfg = sl_preconfig->sl_PreconfigGeneral_r16->sl_TDD_Configuration_r16;
LOG_I(NR_RRC,"SL-TDD ULDL config: Transmissionperiod:%ld,DL-Slots:%ld,Sym:%ld, UL-Slots:%ld,Symbols:%ld\n",
tdd_ul_dl_cfg->pattern1.dl_UL_TransmissionPeriodicity,
tdd_ul_dl_cfg->pattern1.nrofDownlinkSlots, tdd_ul_dl_cfg->pattern1.nrofDownlinkSymbols,
tdd_ul_dl_cfg->pattern1.nrofUplinkSlots, tdd_ul_dl_cfg->pattern1.nrofUplinkSymbols);
if (tdd_ul_dl_cfg->pattern1.ext1 &&
tdd_ul_dl_cfg->pattern1.ext1->dl_UL_TransmissionPeriodicity_v1530) {
LOG_I(NR_RRC, "SL-TDD ULDL config: Transmissionperiod_v1530:%ld\n",
*tdd_ul_dl_cfg->pattern1.ext1->dl_UL_TransmissionPeriodicity_v1530);
}
AssertFatal(tdd_ul_dl_cfg->pattern2 == NULL ,"pattern2 not supported\n");
}
LOG_I(NR_RRC, "-------------END OF NR_SL_Preconfiguration IEs............\n\n");
}
int configure_NR_SL_Preconfig() {
//Example configurations to check and test
//UE needs to be set with only 1 PREconfiguration. TBD.. Remove these later.
//SL-Preconfiguration with 1 txpool, 1 rxpool and not syncsource
NR_SL_PreconfigurationNR_r16_t *sl_preconfig = prepare_NR_SL_PRECONFIGURATION(1,1,0);
dump_NR_SL_Preconfiguration(sl_preconfig);
ASN_STRUCT_FREE(asn_DEF_NR_SL_PreconfigurationNR_r16, sl_preconfig);
sl_preconfig = NULL;
//END.......
//SL-Preconfiguration with 1 txpool, 0 rxpool and UE is syncsource
sl_preconfig = prepare_NR_SL_PRECONFIGURATION(1,0,1);
dump_NR_SL_Preconfiguration(sl_preconfig);
ASN_STRUCT_FREE(asn_DEF_NR_SL_PreconfigurationNR_r16, sl_preconfig);
sl_preconfig = NULL;
//END
//SL-Preconfiguration with 0 txpool, 1 rxpool and UE is not a syncsource
sl_preconfig = prepare_NR_SL_PRECONFIGURATION(0,1,0);
dump_NR_SL_Preconfiguration(sl_preconfig);
ASN_STRUCT_FREE(asn_DEF_NR_SL_PreconfigurationNR_r16, sl_preconfig);
sl_preconfig = NULL;
return 0;
}