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Restructured UE DCI configuration function:

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- moved RRC structs checks and mac configuration to config_ue.c
- new implementation of DCI configuration according to 3GPP TS 38.331
  version 15.9.0 Release 15 and 3GPP TS 38.213 version 15.9.0 Release 15
This commit is contained in:
cig
2020-07-22 23:52:08 +02:00
parent fe724b555d
commit ea86120c4b
2 changed files with 321 additions and 205 deletions
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openair2/LAYER2/NR_MAC_UE/config_ue.c
+75 -5
View File
@@ -325,6 +325,77 @@ void config_common_ue(NR_UE_MAC_INST_t *mac,
}
/** \brief This function is relavant for the UE procedures for control. It loads the search spaces, the BWPs and the CORESETs into the MAC instance and
\brief performs assert checks on the relevant RRC configuration.
@param NR_UE_MAC_INST_t mac: pointer to local MAC instance
@returns void
*/
void config_control_ue(NR_UE_MAC_INST_t *mac){
uint8_t bwp_id = 1, coreset_id = 1, ss_id;
NR_ServingCellConfig_t *scd = mac->scg->spCellConfig->spCellConfigDedicated;
NR_BWP_DownlinkCommon_t *bwp_Common = scd->downlinkBWP_ToAddModList->list.array[bwp_id - 1]->bwp_Common;
NR_BWP_DownlinkDedicated_t *dl_bwp_Dedicated = scd->downlinkBWP_ToAddModList->list.array[bwp_id - 1]->bwp_Dedicated;
NR_SetupRelease_PDCCH_Config_t *pdcch_Config = dl_bwp_Dedicated->pdcch_Config;
NR_SetupRelease_PDCCH_ConfigCommon_t *pdcch_ConfigCommon = bwp_Common->pdcch_ConfigCommon;
struct NR_PDCCH_ConfigCommon__commonSearchSpaceList *commonSearchSpaceList = pdcch_ConfigCommon->choice.setup->commonSearchSpaceList;
struct NR_PDCCH_Config__controlResourceSetToAddModList *controlResourceSetToAddModList = pdcch_Config->choice.setup->controlResourceSetToAddModList;
struct NR_PDCCH_Config__searchSpacesToAddModList *searchSpacesToAddModList = pdcch_Config->choice.setup->searchSpacesToAddModList;
struct NR_UplinkConfig__uplinkBWP_ToAddModList *uplinkBWP_ToAddModList = scd->uplinkConfig->uplinkBWP_ToAddModList;
NR_SearchSpace_t *NR_SearchSpace;
// check pdcch_Config, pdcch_ConfigCommon and DL BWP
AssertFatal(scd->downlinkBWP_ToAddModList != NULL, "downlinkBWP_ToAddModList is null\n");
AssertFatal(scd->downlinkBWP_ToAddModList->list.count == 1, "downlinkBWP_ToAddModList->list->count is %d\n", scd->downlinkBWP_ToAddModList->list.count);
mac->DLbwp[0] = scd->downlinkBWP_ToAddModList->list.array[bwp_id - 1];
AssertFatal(dl_bwp_Dedicated != NULL, "dl_bwp_Dedicated is null\n");
AssertFatal(bwp_Common != NULL, "bwp_Common is null\n");
AssertFatal(pdcch_Config != NULL, "pdcch_Config is null\n");
AssertFatal(pdcch_ConfigCommon != NULL, "pdcch_ConfigCommon is null\n");
AssertFatal(pdcch_ConfigCommon->choice.setup->ra_SearchSpace != NULL, "ra_SearchSpace must be available in DL BWP\n");
AssertFatal(controlResourceSetToAddModList != NULL, "controlResourceSetToAddModList is null\n");
AssertFatal(controlResourceSetToAddModList->list.count == 1, "controlResourceSetToAddModList->list.count=%d\n", controlResourceSetToAddModList->list.count);
mac->coreset[bwp_id - 1][coreset_id - 1] = controlResourceSetToAddModList->list.array[0];
AssertFatal(controlResourceSetToAddModList->list.array[0] != NULL, "coreset[0][0] is null\n");
// Check dedicated UL BWP and pass to MAC
AssertFatal(uplinkBWP_ToAddModList != NULL, "uplinkBWP_ToAddModList is null\n");
AssertFatal(uplinkBWP_ToAddModList->list.count == 1, "uplinkBWP_ToAddModList->list->count is %d\n", uplinkBWP_ToAddModList->list.count);
mac->ULbwp[0] = uplinkBWP_ToAddModList->list.array[0];
AssertFatal(mac->ULbwp[0]->bwp_Dedicated != NULL, "UL bwp_Dedicated is null\n");
// check available Search Spaces in the searchSpacesToAddModList and pass to MAC
// note: the network configures at most 10 Search Spaces per BWP per cell (including UE-specific and common Search Spaces).
AssertFatal(searchSpacesToAddModList != NULL, "searchSpacesToAddModList is null\n");
AssertFatal(searchSpacesToAddModList->list.count > 0, "list of UE specifically configured Search Spaces is empty\n");
AssertFatal(searchSpacesToAddModList->list.count < FAPI_NR_MAX_SS_PER_CORESET, "too many searchpaces per coreset %d\n", searchSpacesToAddModList->list.count);
for (ss_id = 0; ss_id < searchSpacesToAddModList->list.count; ss_id++) {
NR_SearchSpace_t *ss = searchSpacesToAddModList->list.array[ss_id];
AssertFatal(ss->controlResourceSetId != NULL, "ss->controlResourceSetId is null\n");
AssertFatal(ss->searchSpaceType != NULL, "ss->searchSpaceType is null\n");
AssertFatal(*ss->controlResourceSetId == mac->coreset[bwp_id - 1][coreset_id - 1]->controlResourceSetId, "ss->controlResourceSetId is unknown\n");
AssertFatal(ss->monitoringSymbolsWithinSlot != NULL, "NR_SearchSpace->monitoringSymbolsWithinSlot is null\n");
AssertFatal(ss->monitoringSymbolsWithinSlot->buf != NULL, "NR_SearchSpace->monitoringSymbolsWithinSlot->buf is null\n");
mac->SSpace[0][0][ss_id] = ss;
}
// Check available CSSs in the commonSearchSpaceList (list of additional common search spaces)
// note: commonSearchSpaceList SIZE(1..4)
AssertFatal(commonSearchSpaceList != NULL, "commonSearchSpaceList is null\n");
AssertFatal(commonSearchSpaceList->list.count > 0, "PDCCH CSS list has 0 elements\n");
for (int css_id = 0; css_id < commonSearchSpaceList->list.count; css_id++) {
NR_SearchSpace_t *css = commonSearchSpaceList->list.array[css_id];
AssertFatal(css->controlResourceSetId != NULL, "ss->controlResourceSetId is null\n");
AssertFatal(*css->controlResourceSetId == mac->coreset[bwp_id - 1][coreset_id - 1]->controlResourceSetId, "ss->controlResourceSetId is unknown\n");
AssertFatal(css->searchSpaceId != NULL, "css->searchSpaceId is null\n");
AssertFatal(css->searchSpaceType != NULL, "css->searchSpaceType is null\n");
AssertFatal(css->monitoringSymbolsWithinSlot != NULL, "css->monitoringSymbolsWithinSlot is null\n");
AssertFatal(css->monitoringSymbolsWithinSlot->buf != NULL, "css->monitoringSymbolsWithinSlot->buf is null\n");
mac->SSpace[0][0][ss_id] = css;
ss_id++;
}
}
int nr_rrc_mac_config_req_ue(
module_id_t module_id,
int cc_idP,
@@ -337,16 +408,16 @@ int nr_rrc_mac_config_req_ue(
NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
// NR_ServingCellConfig_t *serving_cell_config = spcell_configP->spCellConfigDedicated;
// TODO do something FAPI-like P5 L1/L2 config interface in config_si, config_mib, etc.
if(mibP != NULL){
mac->mib = mibP; // update by every reception
}
if(cell_group_config != NULL ){
mac->scg = cell_group_config;
mac->servCellIndex = *cell_group_config->spCellConfig->servCellIndex;
config_control_ue(mac);
if (cell_group_config->spCellConfig->reconfigurationWithSync) {
mac->rach_ConfigDedicated = cell_group_config->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink;
mac->scc = cell_group_config->spCellConfig->reconfigurationWithSync->spCellConfigCommon;
@@ -354,7 +425,6 @@ int nr_rrc_mac_config_req_ue(
mac->crnti = cell_group_config->spCellConfig->reconfigurationWithSync->newUE_Identity;
LOG_I(MAC,"Configuring CRNTI %x\n",mac->crnti);
}
mac->scg = cell_group_config;
/*
if(mac_cell_group_configP != NULL){
@@ -419,8 +489,8 @@ int nr_rrc_mac_config_req_ue(
}
}
*/
}
}
return 0;
}
openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c
+246 -200
View File
@@ -46,6 +46,8 @@
#endif
#define LOG_DCI_PARM(a...) LOG_D(PHY,"\t<-NR_PDCCH_DCI_TOOLS_DEBUG (nr_generate_ue_ul_dlsch_params_from_dci)" a)
// #define DEBUG_DCI
dci_pdu_rel15_t *def_dci_pdu_rel15;
void fill_dci_search_candidates(NR_SearchSpace_t *ss,fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15) {
@@ -62,217 +64,261 @@ void fill_dci_search_candidates(NR_SearchSpace_t *ss,fapi_nr_dl_config_dci_dl_pd
}
void config_dci_pdu(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15, fapi_nr_dl_config_request_t *dl_config, int rnti_type, int ss_id, uint8_t dci_format){
uint16_t monitoringSymbolsWithinSlot;
uint8_t bwp_id = 1, coreset_id = 1;
int sps;
def_dci_pdu_rel15 = calloc(1,sizeof(dci_pdu_rel15_t));
AssertFatal(mac->scc != NULL, "scc is null\n");
NR_ServingCellConfigCommon_t *scc = mac->scc;
NR_BWP_DownlinkCommon_t *bwp_Common = mac->DLbwp[bwp_id - 1]->bwp_Common;
NR_BWP_DownlinkCommon_t *initialDownlinkBWP = scc->downlinkConfigCommon->initialDownlinkBWP;
NR_SearchSpace_t *ss = mac->SSpace[bwp_id - 1][coreset_id - 1][ss_id];
// DCI format configuration
rel15->dci_format = dci_format;
// CORESET configuration
NR_ControlResourceSet_t *coreset = mac->coreset[bwp_id - 1][coreset_id - 1];
rel15->coreset.duration = coreset->duration;
for (int i = 0; i < 6; i++)
rel15->coreset.frequency_domain_resource[i] = coreset->frequencyDomainResources.buf[i];
rel15->coreset.CceRegMappingType = coreset->cce_REG_MappingType.present == NR_ControlResourceSet__cce_REG_MappingType_PR_interleaved ? FAPI_NR_CCE_REG_MAPPING_TYPE_INTERLEAVED : FAPI_NR_CCE_REG_MAPPING_TYPE_NON_INTERLEAVED;
if (rel15->coreset.CceRegMappingType == FAPI_NR_CCE_REG_MAPPING_TYPE_INTERLEAVED) {
struct NR_ControlResourceSet__cce_REG_MappingType__interleaved *interleaved = coreset->cce_REG_MappingType.choice.interleaved;
rel15->coreset.RegBundleSize = (interleaved->reg_BundleSize == NR_ControlResourceSet__cce_REG_MappingType__interleaved__reg_BundleSize_n6) ? 6 : (2 + interleaved->reg_BundleSize);
rel15->coreset.InterleaverSize = (interleaved->interleaverSize == NR_ControlResourceSet__cce_REG_MappingType__interleaved__interleaverSize_n6) ? 6 : (2 + interleaved->interleaverSize);
AssertFatal(scc->physCellId != NULL, "mac->scc->physCellId is null\n");
rel15->coreset.ShiftIndex = interleaved->shiftIndex != NULL ? *interleaved->shiftIndex : *scc->physCellId;
} else {
rel15->coreset.RegBundleSize = 0;
rel15->coreset.InterleaverSize = 0;
rel15->coreset.ShiftIndex = 0;
}
rel15->coreset.CoreSetType = 1;
rel15->coreset.precoder_granularity = coreset->precoderGranularity;
// Scrambling RNTI
if (coreset->pdcch_DMRS_ScramblingID) {
rel15->coreset.pdcch_dmrs_scrambling_id = *coreset->pdcch_DMRS_ScramblingID;
rel15->coreset.scrambling_rnti = mac->t_crnti;
} else {
rel15->coreset.pdcch_dmrs_scrambling_id = *scc->physCellId;
rel15->coreset.scrambling_rnti = 0;
}
#ifdef DEBUG_DCI
LOG_D(MAC, "[DCI_CONFIG] Configure DCI PDU: ss_id %d bwp %p bwp_Id %d controlResourceSetId %d\n", ss_id, mac->DLbwp[bwp_id - 1], mac->DLbwp[bwp_id - 1]->bwp_Id, coreset->controlResourceSetId);
#endif
// loop over RNTI type and configure resource allocation for DCI
switch(rnti_type) {
case NR_RNTI_C:
// we use DL BWP dedicated
sps = bwp_Common->genericParameters.cyclicPrefix == NULL ? 14 : 12;
// for SPS=14 8 MSBs in positions 13 down to 6
monitoringSymbolsWithinSlot = (ss->monitoringSymbolsWithinSlot->buf[0]<<(sps-8)) | (ss->monitoringSymbolsWithinSlot->buf[1]>>(16-sps));
rel15->rnti = mac->crnti;
rel15->BWPSize = NRRIV2BW(bwp_Common->genericParameters.locationAndBandwidth, 275);
rel15->BWPStart = NRRIV2PRBOFFSET(bwp_Common->genericParameters.locationAndBandwidth, 275);
rel15->SubcarrierSpacing = bwp_Common->genericParameters.subcarrierSpacing;
rel15->dci_length = nr_dci_size(mac->scg, def_dci_pdu_rel15, rel15->dci_format, NR_RNTI_C, rel15->BWPSize, bwp_id);
break;
case NR_RNTI_RA:
// we use the initial DL BWP
sps = initialDownlinkBWP->genericParameters.cyclicPrefix == NULL ? 14 : 12;
monitoringSymbolsWithinSlot = (ss->monitoringSymbolsWithinSlot->buf[0]<<(sps-8)) | (ss->monitoringSymbolsWithinSlot->buf[1]>>(16-sps));
rel15->rnti = mac->ra_rnti;
rel15->BWPSize = NRRIV2BW(initialDownlinkBWP->genericParameters.locationAndBandwidth, 275);
rel15->BWPStart = NRRIV2PRBOFFSET(bwp_Common->genericParameters.locationAndBandwidth, 275); //NRRIV2PRBOFFSET(initialDownlinkBWP->genericParameters.locationAndBandwidth, 275);
rel15->SubcarrierSpacing = initialDownlinkBWP->genericParameters.subcarrierSpacing;
rel15->dci_length = nr_dci_size(mac->scg, def_dci_pdu_rel15, rel15->dci_format, NR_RNTI_RA, rel15->BWPSize, bwp_id);
break;
case NR_RNTI_P:
break;
case NR_RNTI_CS:
break;
case NR_RNTI_TC:
break;
case NR_RNTI_SP_CSI:
break;
case NR_RNTI_SI:
break;
case NR_RNTI_SFI:
break;
case NR_RNTI_INT:
break;
case NR_RNTI_TPC_PUSCH:
break;
case NR_RNTI_TPC_PUCCH:
break;
case NR_RNTI_TPC_SRS:
break;
default:
break;
}
for (int i = 0; i < sps; i++) {
if ((monitoringSymbolsWithinSlot >> (sps - 1 - i)) & 1) {
rel15->coreset.StartSymbolIndex = i;
break;
}
}
#ifdef DEBUG_DCI
LOG_D(MAC, "[DCI_CONFIG] Configure DCI PDU: rnti_type %d BWPSize %d BWPStart %d rel15->SubcarrierSpacing %d rel15->dci_format %d rel15->dci_length %d sps %d monitoringSymbolsWithinSlot %d \n",
rnti_type,
rel15->BWPSize,
rel15->BWPStart,
rel15->SubcarrierSpacing,
rel15->dci_format,
rel15->dci_length,
sps,
monitoringSymbolsWithinSlot);
#endif
// add DCI
dl_config->dl_config_list[dl_config->number_pdus].pdu_type = FAPI_NR_DL_CONFIG_TYPE_DCI;
dl_config->number_pdus = dl_config->number_pdus + 1;
}
void ue_dci_configuration(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_request_t *dl_config, frame_t frame, int slot) {
def_dci_pdu_rel15 = calloc(1,sizeof(dci_pdu_rel15_t));
NR_BWP_Downlink_t *bwp;
NR_BWP_DownlinkCommon_t *bwp_Common;
NR_BWP_DownlinkDedicated_t *dl_bwp_Dedicated;
NR_SetupRelease_PDCCH_Config_t *pdcch_Config;
NR_SetupRelease_PDCCH_ConfigCommon_t *pdcch_ConfigCommon;
struct NR_PDCCH_Config__controlResourceSetToAddModList *controlResourceSetToAddModList;
struct NR_PDCCH_Config__searchSpacesToAddModList *searchSpacesToAddModList;
struct NR_UplinkConfig__uplinkBWP_ToAddModList *uplinkBWP_ToAddModList;
NR_SearchSpace_t *NR_SearchSpace;
NR_ControlResourceSet_t *coreset;
fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15;
int ss_id;
uint8_t bwp_id = 1, coreset_id = 1;
NR_ServingCellConfig_t *scd = mac->scg->spCellConfig->spCellConfigDedicated;
NR_BWP_Downlink_t *bwp = mac->DLbwp[bwp_id - 1];
uint8_t bwp_id = 1;
int ss_id, sps;
#ifdef DEBUG_DCI
LOG_D(MAC, "[DCI_CONFIG] ra_rnti %p (%x) crnti %p (%x) t_crnti %p (%x)\n", &mac->ra_rnti, mac->ra_rnti, &mac->crnti, mac->crnti, &mac->t_crnti, mac->t_crnti);
#endif
// get PDCCH configuration(s) (Coreset, SearchSpace, etc...) from BWP Dedicated in serving cell config dedicated (scd)
// get BWP 1, Coreset ID 0, SearchSpace ID 0 (i.e. configured in MIB and in ServingCellConfigCommon)
// loop over all available SS for BWP ID 1, CORESET ID 1
for (ss_id = 0; ss_id < FAPI_NR_MAX_SS_PER_CORESET && mac->SSpace[bwp_id - 1][coreset_id - 1][ss_id] != NULL; ss_id++){
NR_SearchSpace_t *ss = mac->SSpace[bwp_id - 1][coreset_id - 1][ss_id];
fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15 = &dl_config->dl_config_list[dl_config->number_pdus].dci_config_pdu.dci_config_rel15;
NR_BWP_DownlinkCommon_t *bwp_Common = bwp->bwp_Common;
NR_SetupRelease_PDCCH_ConfigCommon_t *pdcch_ConfigCommon = bwp_Common->pdcch_ConfigCommon;
struct NR_PhysicalCellGroupConfig *phy_cgc = mac->scg->physicalCellGroupConfig;
switch (ss->searchSpaceType->present){
case NR_SearchSpace__searchSpaceType_PR_common:
// this is for CSSs, we use BWP common and pdcch_ConfigCommon
// Check dedicated DL BWP
if (mac->DLbwp[0] == NULL) {
NR_SearchSpace_t *ss;
int ss_id = 0;
AssertFatal(scd->downlinkBWP_ToAddModList != NULL, "downlinkBWP_ToAddModList is null\n");
AssertFatal(scd->downlinkBWP_ToAddModList->list.count == 1, "downlinkBWP_ToAddModList->list->count is %d\n", scd->downlinkBWP_ToAddModList->list.count);
mac->DLbwp[0] = scd->downlinkBWP_ToAddModList->list.array[bwp_id - 1];
dl_bwp_Dedicated = mac->DLbwp[0]->bwp_Dedicated;
AssertFatal(dl_bwp_Dedicated != NULL, "dl_bwp_Dedicated is null\n");
bwp_Common = mac->DLbwp[0]->bwp_Common;
AssertFatal(bwp_Common != NULL, "bwp_Common is null\n");
pdcch_Config = dl_bwp_Dedicated->pdcch_Config;
AssertFatal(pdcch_Config != NULL, "pdcch_Config is null\n");
pdcch_ConfigCommon = bwp_Common->pdcch_ConfigCommon;
AssertFatal(pdcch_ConfigCommon != NULL, "pdcch_ConfigCommon is null\n");
AssertFatal(pdcch_ConfigCommon->choice.setup->ra_SearchSpace != NULL, "ra_SearchSpace must be available in DL BWP\n");
controlResourceSetToAddModList = pdcch_Config->choice.setup->controlResourceSetToAddModList;
AssertFatal(controlResourceSetToAddModList != NULL, "controlResourceSetToAddModList is null\n");
AssertFatal(controlResourceSetToAddModList->list.count == 1, "controlResourceSetToAddModList->list.count=%d\n", controlResourceSetToAddModList->list.count);
mac->coreset[0][0] = controlResourceSetToAddModList->list.array[0];
coreset = mac->coreset[0][0];
AssertFatal(coreset != NULL, "coreset[0][0] is null\n");
searchSpacesToAddModList = pdcch_Config->choice.setup->searchSpacesToAddModList;
AssertFatal(searchSpacesToAddModList != NULL, "searchSpacesToAddModList is null\n");
AssertFatal(searchSpacesToAddModList->list.count > 0, "searchSpacesToAddModList is empty\n");
AssertFatal(searchSpacesToAddModList->list.count < FAPI_NR_MAX_SS_PER_CORESET, "too many searchpaces per coreset %d\n", searchSpacesToAddModList->list.count);
for (int i = 0; i < searchSpacesToAddModList->list.count; i++) {
ss = searchSpacesToAddModList->list.array[i];
AssertFatal(ss->controlResourceSetId != NULL, "ss->controlResourceSetId is null\n");
AssertFatal(ss->searchSpaceType != NULL, "ss->searchSpaceType is null\n");
AssertFatal(*ss->controlResourceSetId == coreset->controlResourceSetId, "ss->controlResourceSetId is unknown\n");
mac->SSpace[0][0][ss_id] = ss;
ss_id++;
}
}
// Check dedicated UL BWP
if (mac->ULbwp[0] == NULL) {
uplinkBWP_ToAddModList = scd->uplinkConfig->uplinkBWP_ToAddModList;
AssertFatal(uplinkBWP_ToAddModList != NULL, "uplinkBWP_ToAddModList is null\n");
AssertFatal(uplinkBWP_ToAddModList->list.count == 1, "uplinkBWP_ToAddModList->list->count is %d\n", uplinkBWP_ToAddModList->list.count);
mac->ULbwp[0] = uplinkBWP_ToAddModList->list.array[bwp_id - 1];
AssertFatal(mac->ULbwp[0]->bwp_Dedicated != NULL, "UL bwp_Dedicated is null\n");
}
bwp = mac->DLbwp[0];
bwp_Common = bwp->bwp_Common;
pdcch_ConfigCommon = bwp_Common->pdcch_ConfigCommon;
dl_bwp_Dedicated = bwp->bwp_Dedicated;
pdcch_Config = dl_bwp_Dedicated->pdcch_Config;
searchSpacesToAddModList = pdcch_Config->choice.setup->searchSpacesToAddModList;
// check USSs
ss_id = 0;
NR_SearchSpace = mac->SSpace[0][0][ss_id];
while(NR_SearchSpace != NULL && ss_id < searchSpacesToAddModList->list.count) {
AssertFatal(NR_SearchSpace->monitoringSymbolsWithinSlot != NULL, "NR_SearchSpace->monitoringSymbolsWithinSlot is null\n");
AssertFatal(NR_SearchSpace->monitoringSymbolsWithinSlot->buf != NULL, "NR_SearchSpace->monitoringSymbolsWithinSlot->buf is null\n");
ss_id++;
}
if (mac->crnti > 0) {
NR_SearchSpace_t *css;
NR_SearchSpace_t *uss = NULL;
NR_ServingCellConfigCommon_t *scc;
NR_SearchSpaceId_t ra_SearchSpaceId;
rel15 = &dl_config->dl_config_list[dl_config->number_pdus].dci_config_pdu.dci_config_rel15;
uint16_t monitoringSymbolsWithinSlot;
uint8_t add_dci = 1;
AssertFatal(mac->scc != NULL, "scc is null\n");
scc = mac->scc;
rel15->dci_format = NR_DL_DCI_FORMAT_1_1;
// CoReSet configuration
coreset = mac->coreset[0][0];
rel15->coreset.duration = coreset->duration;
for (int i = 0; i < 6; i++)
rel15->coreset.frequency_domain_resource[i] = coreset->frequencyDomainResources.buf[i];
rel15->coreset.CceRegMappingType = coreset->cce_REG_MappingType.present == NR_ControlResourceSet__cce_REG_MappingType_PR_interleaved ? FAPI_NR_CCE_REG_MAPPING_TYPE_INTERLEAVED : FAPI_NR_CCE_REG_MAPPING_TYPE_NON_INTERLEAVED;
if (rel15->coreset.CceRegMappingType == FAPI_NR_CCE_REG_MAPPING_TYPE_INTERLEAVED) {
struct NR_ControlResourceSet__cce_REG_MappingType__interleaved *interleaved = coreset->cce_REG_MappingType.choice.interleaved;
rel15->coreset.RegBundleSize = (interleaved->reg_BundleSize == NR_ControlResourceSet__cce_REG_MappingType__interleaved__reg_BundleSize_n6) ? 6 : (2 + interleaved->reg_BundleSize);
rel15->coreset.InterleaverSize = (interleaved->interleaverSize == NR_ControlResourceSet__cce_REG_MappingType__interleaved__interleaverSize_n6) ? 6 : (2 + interleaved->interleaverSize);
AssertFatal(scc->physCellId != NULL, "mac->scc->physCellId is null\n");
rel15->coreset.ShiftIndex = interleaved->shiftIndex != NULL ? *interleaved->shiftIndex : *scc->physCellId;
} else {
rel15->coreset.RegBundleSize = 0;
rel15->coreset.InterleaverSize = 0;
rel15->coreset.ShiftIndex = 0;
}
rel15->coreset.CoreSetType = 1;
rel15->coreset.precoder_granularity = coreset->precoderGranularity;
if (mac->ra_state == WAIT_RAR){
NR_BWP_DownlinkCommon_t *initialDownlinkBWP = scc->downlinkConfigCommon->initialDownlinkBWP;
struct NR_PDCCH_ConfigCommon__commonSearchSpaceList *commonSearchSpaceList = pdcch_ConfigCommon->choice.setup->commonSearchSpaceList;
AssertFatal(commonSearchSpaceList->list.count > 0, "PDCCH CSS list has 0 elements\n");
ra_SearchSpaceId = *pdcch_ConfigCommon->choice.setup->ra_SearchSpace;
// fetch the CSS for RA from the CSS list
for (int i = 0; i < commonSearchSpaceList->list.count; i++) {
css = commonSearchSpaceList->list.array[i];
if(css->searchSpaceId == ra_SearchSpaceId)
break;
}
// check CSSs
if(css != NULL) {
AssertFatal(css->monitoringSymbolsWithinSlot != NULL, "css->monitoringSymbolsWithinSlot is null\n");
AssertFatal(css->monitoringSymbolsWithinSlot->buf != NULL, "css->monitoringSymbolsWithinSlot->buf is null\n");
}
sps = initialDownlinkBWP->genericParameters.cyclicPrefix == NULL ? 14 : 12;
monitoringSymbolsWithinSlot = (css->monitoringSymbolsWithinSlot->buf[0]<<(sps-8)) | (css->monitoringSymbolsWithinSlot->buf[1]>>(16-sps));
rel15->rnti = mac->ra_rnti;
rel15->BWPSize = NRRIV2BW(initialDownlinkBWP->genericParameters.locationAndBandwidth, 275);
rel15->BWPStart = NRRIV2PRBOFFSET(bwp_Common->genericParameters.locationAndBandwidth, 275); // NRRIV2PRBOFFSET(initialDownlinkBWP->genericParameters.locationAndBandwidth, 275);
rel15->SubcarrierSpacing = initialDownlinkBWP->genericParameters.subcarrierSpacing;
rel15->dci_length = nr_dci_size(mac->scg,def_dci_pdu_rel15,rel15->dci_format,NR_RNTI_C,rel15->BWPSize,bwp_id);
for (int i = 0; i < sps; i++) {
if ((monitoringSymbolsWithinSlot >> (sps - 1 - i)) & 1) {
rel15->coreset.StartSymbolIndex = i;
break;
// Fetch configuration for searchSpaceZero
// note: The search space with the SearchSpaceId = 0 identifies the search space configured via PBCH (MIB) and in ServingCellConfigCommon (searchSpaceZero).
if (pdcch_ConfigCommon->choice.setup->searchSpaceZero){
LOG_D(MAC, "[DCI_CONFIG] Configure SearchSpace#0 of the initial BWP\n");
LOG_W(MAC, "[DCI_CONFIG] This should not be available yet...");
}
if (ss->searchSpaceType->choice.common->dci_Format0_0_AndFormat1_0){
// check available SS IDs
if (pdcch_ConfigCommon->choice.setup->ra_SearchSpace){
if (ss->searchSpaceId == *pdcch_ConfigCommon->choice.setup->ra_SearchSpace){
LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in Type1-PDCCH common random access search space\n");
switch(mac->ra_state){
case WAIT_RAR:
config_dci_pdu(mac, rel15, dl_config, NR_RNTI_RA, ss_id, NR_DL_DCI_FORMAT_1_0);
fill_dci_search_candidates(ss, rel15);
break;
case WAIT_CONTENTION_RESOLUTION:
rel15->rnti = mac->t_crnti;
break;
default:
break;
}
}
}
if (pdcch_ConfigCommon->choice.setup->searchSpaceSIB1){
if (ss->searchSpaceId == *pdcch_ConfigCommon->choice.setup->searchSpaceSIB1){
// Configure monitoring of PDCCH candidates in Type0-PDCCH common search space on the MCG
LOG_W(MAC, "[DCI_CONFIG] This seach space should not be configured yet...");
}
}
if (pdcch_ConfigCommon->choice.setup->searchSpaceOtherSystemInformation){
if (ss->searchSpaceId == *pdcch_ConfigCommon->choice.setup->searchSpaceOtherSystemInformation){
// Configure monitoring of PDCCH candidates in Type0-PDCCH common search space on the MCG
LOG_W(MAC, "[DCI_CONFIG] This seach space should not be configured yet...");
}
}
if (pdcch_ConfigCommon->choice.setup->pagingSearchSpace){
if (ss->searchSpaceId == *pdcch_ConfigCommon->choice.setup->pagingSearchSpace){
// Configure monitoring of PDCCH candidates in Type2-PDCCH common search space on the MCG
LOG_W(MAC, "[DCI_CONFIG] This seach space should not be configured yet...");
}
}
if (phy_cgc){
if (phy_cgc->cs_RNTI){
LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in Type3-PDCCH common search space for dci_Format0_0_AndFormat1_0 with CRC scrambled by CS-RNTI...\n");
LOG_W(MAC, "[DCI_CONFIG] This RNTI should not be configured yet...");
}
if (phy_cgc->ext1){
if (phy_cgc->ext1->mcs_C_RNTI){
LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in user specific search space for dci_Format0_0_AndFormat1_0 with CRC scrambled by MCS-C-RNTI...\n");
LOG_W(MAC, "[DCI_CONFIG] This RNTI should not be configured yet...");
}
}
}
} // end DCI 00 and 01
// DCI 2_0
if (ss->searchSpaceType->choice.common->dci_Format2_0){
LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in Type3-PDCCH common search space for DCI format 2_0 with CRC scrambled by SFI-RNTI \n");
LOG_W(MAC, "[DCI_CONFIG] This format should not be configured yet...");
}
// DCI 2_1
if (ss->searchSpaceType->choice.common->dci_Format2_1){
LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in Type3-PDCCH common search space for DCI format 2_1 with CRC scrambled by INT-RNTI \n");
LOG_W(MAC, "[DCI_CONFIG] This format should not be configured yet...");
}
// DCI 2_2
if (ss->searchSpaceType->choice.common->dci_Format2_2){
LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in Type3-PDCCH common search space for DCI format 2_2 with CRC scrambled by TPC-RNTI \n");
LOG_W(MAC, "[DCI_CONFIG] This format should not be configured yet...");
}
// DCI 2_3
if (ss->searchSpaceType->choice.common->dci_Format2_3){
LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in Type3-PDCCH common search space for DCI format 2_3 with CRC scrambled by TPC-SRS-RNTI \n");
LOG_W(MAC, "[DCI_CONFIG] This format should not be configured yet...");
}
fill_dci_search_candidates(css, rel15);
break;
case NR_SearchSpace__searchSpaceType_PR_ue_Specific:
// this is an USS
if (ss->searchSpaceType->choice.ue_Specific){
if(ss->searchSpaceType->choice.ue_Specific->dci_Formats == NR_SearchSpace__searchSpaceType__ue_Specific__dci_Formats_formats0_1_And_1_1){
// Monitors DCI 01 and 11 scrambled with C-RNTI, or CS-RNTI(s), or SP-CSI-RNTI
if (get_softmodem_params()->phy_test == 1 && mac->crnti > 0) {
LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in the user specific search space\n");
config_dci_pdu(mac, rel15, dl_config, NR_RNTI_C, ss_id, NR_DL_DCI_FORMAT_1_1);
fill_dci_search_candidates(ss, rel15);
} else if (mac->ra_state == WAIT_CONTENTION_RESOLUTION){
rel15->rnti = mac->t_crnti;
} else {
rel15->rnti = mac->crnti;
rel15->BWPSize = NRRIV2BW(bwp_Common->genericParameters.locationAndBandwidth, 275);
rel15->BWPStart = NRRIV2PRBOFFSET(bwp_Common->genericParameters.locationAndBandwidth, 275);
rel15->SubcarrierSpacing = bwp_Common->genericParameters.subcarrierSpacing;
rel15->dci_length = nr_dci_size(mac->scg,def_dci_pdu_rel15,rel15->dci_format,NR_RNTI_C,rel15->BWPSize,bwp_id);
// get UE-specific search space
for (ss_id = 0; ss_id < FAPI_NR_MAX_SS_PER_CORESET && mac->SSpace[0][0][ss_id] != NULL; ss_id++){
uss = mac->SSpace[0][0][ss_id];
if (uss->searchSpaceType->present == NR_SearchSpace__searchSpaceType_PR_ue_Specific) break;
}
AssertFatal(ss_id < FAPI_NR_MAX_SS_PER_CORESET, "couldn't find a UE-specific SS\n");
sps = bwp_Common->genericParameters.cyclicPrefix == NULL ? 14 : 12;
// for SPS=14 8 MSBs in positions 13 down to 6
monitoringSymbolsWithinSlot = (uss->monitoringSymbolsWithinSlot->buf[0]<<(sps-8)) | (uss->monitoringSymbolsWithinSlot->buf[1]>>(16-sps));
for (int i = 0; i < sps; i++)
if ((monitoringSymbolsWithinSlot >> (sps - 1 - i)) & 1) {
rel15->coreset.StartSymbolIndex = i;
break;
#ifdef DEBUG_DCI
LOG_D(MAC, "[DCI_CONFIG] ss %d ue_Specific %p searchSpaceType->present %d dci_Formats %d\n",
ss_id,
ss->searchSpaceType->choice.ue_Specific,
ss->searchSpaceType->present,
ss->searchSpaceType->choice.ue_Specific->dci_Formats);
#endif
}
if (phy_cgc){
if (phy_cgc->cs_RNTI){
LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in user specific search space for dci_Format0_0_AndFormat1_0 with CRC scrambled by CS-RNTI...\n");
LOG_W(MAC, "[DCI_CONFIG] This RNTI should not be configured yet...");
}
if (phy_cgc->sp_CSI_RNTI){
LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in user specific search space for dci_Format0_0_AndFormat1_0 with CRC scrambled by SP-CSI-RNTI...\n");
LOG_W(MAC, "[DCI_CONFIG] This RNTI should not be configured yet...");
}
if (phy_cgc->ext1){
if (phy_cgc->ext1->mcs_C_RNTI){
LOG_D(MAC, "[DCI_CONFIG] Configure monitoring of PDCCH candidates in user specific search space for dci_Format0_0_AndFormat1_0 with CRC scrambled by MCS-C-RNTI...\n");
LOG_W(MAC, "[DCI_CONFIG] This RNTI should not be configured yet...");
}
}
}
}
fill_dci_search_candidates(uss, rel15);
}
// Scrambling RNTI
if (coreset->pdcch_DMRS_ScramblingID) {
rel15->coreset.pdcch_dmrs_scrambling_id = *coreset->pdcch_DMRS_ScramblingID;
rel15->coreset.scrambling_rnti = mac->t_crnti;
} else {
rel15->coreset.pdcch_dmrs_scrambling_id = *scc->physCellId;
rel15->coreset.scrambling_rnti = 0;
}
if (add_dci){
dl_config->dl_config_list[dl_config->number_pdus].pdu_type = FAPI_NR_DL_CONFIG_TYPE_DCI;
dl_config->number_pdus = dl_config->number_pdus + 1;
}
break;
default:
AssertFatal(1 == 0, "[DCI_CONFIG] Unrecognized search space type...");
break;
}
}
}