diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c index 4c17ee3a0fb9c73e3b57e08792a5d93efc4aadc9..7ada7fd53784759b58ed6f89491b82e916f98cf0 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c @@ -681,7 +681,31 @@ void nr_generate_Msg2(module_id_t module_idP, dci_pdu_rel15[0].mcs, dci_pdu_rel15[0].tb_scaling); - nr_configure_pdcch(nr_mac, pdcch_pdu_rel15, RA_rnti, 0, ss, scc, bwp); + uint8_t nr_of_candidates, aggregation_level; + find_aggregation_candidates(&aggregation_level, &nr_of_candidates, ss); + NR_ControlResourceSet_t *coreset = get_coreset(bwp, ss, 0 /* common */); + int CCEIndex = allocate_nr_CCEs( + nr_mac, + bwp, + coreset, + aggregation_level, + ss->searchSpaceType->present - 1, // 0 common, 1 ue-specific + UE_id, + 0); // m + + if (CCEIndex < 0) { + LOG_E(MAC, "%s(): cannot find free CCE for UE %d!\n", __func__, UE_id); + return; + } + nr_configure_pdcch(nr_mac, + pdcch_pdu_rel15, + RA_rnti, + ss, + coreset, + scc, + bwp, + aggregation_level, + CCEIndex); LOG_I(MAC, "Frame %d: Subframe %d : Adding common DL DCI for RA_RNTI %x\n", frameP, slotP, RA_rnti); diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c index c739cef04fb39340b14cf8d0385c6d7684baa710..206cf544de93d280db18822e6299460ad35c85b3 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c @@ -447,18 +447,37 @@ void nr_schedule_ue_spec(module_id_t module_id, rlc_status.bytes_in_buffer); /* PREPROCESSOR */ - /* Find PUCCH occasion */ - int pucch_sched; - nr_update_pucch_scheduling(module_id, UE_id, frame, slot, num_slots_per_tdd, &pucch_sched); - NR_sched_pucch *pucch = &UE_list->UE_sched_ctrl[UE_id].sched_pucch[pucch_sched]; - - /* BWP and following: for MCS calculation, possibly based on CQI and RLC ind */ + /* BWP */ const int bwp_id = 1; NR_CellGroupConfig_t *secondaryCellGroup = UE_list->secondaryCellGroup[UE_id]; AssertFatal(secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.count == 1, "downlinkBWP_ToAddModList has %d BWP!\n", secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.count); NR_BWP_Downlink_t *bwp = secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[bwp_id - 1]; + + const int target_ss = NR_SearchSpace__searchSpaceType_PR_ue_Specific; + NR_SearchSpace_t *ss = get_searchspace(bwp, target_ss); + + /* Find a free CCE */ + uint8_t nr_of_candidates, aggregation_level; + find_aggregation_candidates(&aggregation_level, &nr_of_candidates, ss); + NR_ControlResourceSet_t *coreset = get_coreset(bwp, ss, 1 /* dedicated */); + int CCEIndex = allocate_nr_CCEs(gNB_mac, + bwp, + coreset, + aggregation_level, + ss->searchSpaceType->present - 1, + UE_id, + 0); // m + if (CCEIndex < 0) { + LOG_E(MAC, "%s(): could not find CCE for UE %d\n", __func__, UE_id); + return; + } + /* Find PUCCH occasion */ + int pucch_sched; + nr_update_pucch_scheduling(module_id, UE_id, frame, slot, num_slots_per_tdd, &pucch_sched); + NR_sched_pucch *pucch = &UE_list->UE_sched_ctrl[UE_id].sched_pucch[pucch_sched]; + const uint16_t bwpSize = NRRIV2BW(bwp->bwp_Common->genericParameters.locationAndBandwidth,275); const uint8_t mcs = 9; @@ -601,6 +620,8 @@ void nr_schedule_ue_spec(module_id_t module_id, nr_fill_nfapi_dl_pdu(module_id, UE_id, bwp_id, + ss, + coreset, dl_req, pucch, nrOfLayers, @@ -615,7 +636,9 @@ void nr_schedule_ue_spec(module_id_t module_id, TBS, time_domain_assignment, startSymbolIndex, - nrOfSymbols); + nrOfSymbols, + aggregation_level, + CCEIndex); nfapi_nr_pdu_t *tx_req = &gNB_mac->TX_req[CC_id].pdu_list[gNB_mac->TX_req[CC_id].Number_of_PDUs]; configure_fapi_dl_Tx(module_id, diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c index 069e6cf486ef51d3130d2efbd1f4caa7da479a67..a34d004c41438b293c802e310881d47ec5372b73 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c @@ -414,18 +414,31 @@ int configure_fapi_dl_pdu_phytest(int Mod_idP, } AssertFatal(found==1,"Couldn't find an adequate searchspace\n"); - int ret = nr_configure_pdcch(nr_mac, - pdcch_pdu_rel15, - UE_list->rnti[UE_id], - 1, // ue-specific - ss, - scc, - bwp); - if (ret < 0) { - LOG_I(MAC,"CCE list not empty, couldn't schedule PDSCH\n"); - free(dci_pdu_rel15); - return (0); + uint8_t nr_of_candidates, aggregation_level; + find_aggregation_candidates(&aggregation_level, &nr_of_candidates, ss); + NR_ControlResourceSet_t *coreset = get_coreset(bwp, ss, 1 /* dedicated */); + int CCEIndex = allocate_nr_CCEs( + nr_mac, + bwp, + coreset, + aggregation_level, + ss->searchSpaceType->present - 1, // 0 common, 1 ue-specific + UE_id, + 0); // m + if (CCEIndex < 0) { + LOG_E(MAC, "%s(): CCE list not empty, couldn't schedule PDSCH\n", __func__); + free(dci_pdu_rel15); + return 0; } + nr_configure_pdcch(nr_mac, + pdcch_pdu_rel15, + UE_list->rnti[UE_id], + ss, + coreset, + scc, + bwp, + aggregation_level, + CCEIndex); int dci_formats[2]; int rnti_types[2]; @@ -1098,20 +1111,33 @@ void schedule_fapi_ul_pdu(int Mod_idP, LOG_D(MAC,"Configuring ULDCI/PDCCH in %d.%d\n", frameP,slotP); - int ret = nr_configure_pdcch(nr_mac, - pdcch_pdu_rel15, - UE_list->rnti[UE_id], - 1, // ue-specific, - ss, - scc, - bwp); - - if (ret < 0) { - LOG_I(MAC,"CCE list not empty, couldn't schedule PUSCH\n"); + uint8_t nr_of_candidates, aggregation_level; + find_aggregation_candidates(&aggregation_level, &nr_of_candidates, ss); + NR_ControlResourceSet_t *coreset = get_coreset(bwp, ss, 1 /* dedicated */); + int CCEIndex = allocate_nr_CCEs( + nr_mac, + bwp, + coreset, + aggregation_level, + ss->searchSpaceType->present - 1, // 0 common, 1 ue-specific + UE_id, + 0); // m + if (CCEIndex < 0) { + LOG_E(MAC, "%s(): CCE list not empty, couldn't schedule PUSCH\n", __func__); pusch_sched->active = false; return; } else { + nr_configure_pdcch(nr_mac, + pdcch_pdu_rel15, + UE_list->rnti[UE_id], + ss, + coreset, + scc, + bwp, + aggregation_level, + CCEIndex); + dci_pdu_rel15_t *dci_pdu_rel15 = calloc(MAX_DCI_CORESET,sizeof(dci_pdu_rel15_t)); config_uldci(ubwp,pusch_pdu,pdcch_pdu_rel15,&dci_pdu_rel15[0],dci_formats,rnti_types,time_domain_assignment,UE_list->UE_sched_ctrl[UE_id].tpc0,n_ubwp,bwp_id); fill_dci_pdu_rel15(scc,secondaryCellGroup,pdcch_pdu_rel15,dci_pdu_rel15,dci_formats,rnti_types,pusch_pdu->bwp_size,bwp_id); diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c index 72e2affdc81ee9f84a003c5cc374218c38fa5d7c..77d4b3be1bd21967f11d3165c93496524387276d 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c @@ -127,37 +127,65 @@ static inline uint8_t get_max_cces(uint8_t scs) { return (nr_max_number_of_cces_per_slot[scs]); } +NR_ControlResourceSet_t *get_coreset(NR_BWP_Downlink_t *bwp, + NR_SearchSpace_t *ss, + int ss_type) { + NR_ControlResourceSetId_t coreset_id = *ss->controlResourceSetId; + if (ss_type == 0) { // common search space + AssertFatal(coreset_id != 0, "coreset0 currently not supported\n"); + NR_ControlResourceSet_t *coreset = bwp->bwp_Common->pdcch_ConfigCommon->choice.setup->commonControlResourceSet; + AssertFatal(coreset_id == coreset->controlResourceSetId, + "ID of common ss coreset does not correspond to id set in the " + "search space\n"); + return coreset; + } else { + const int n = bwp->bwp_Dedicated->pdcch_Config->choice.setup->controlResourceSetToAddModList->list.count; + for (int i = 0; i < n; i++) { + NR_ControlResourceSet_t *coreset = + bwp->bwp_Dedicated->pdcch_Config->choice.setup->controlResourceSetToAddModList->list.array[i]; + if (coreset_id == coreset->controlResourceSetId) { + return coreset; + } + } + AssertFatal(0, "Couldn't find coreset with id %ld\n", coreset_id); + } +} + +NR_SearchSpace_t *get_searchspace( + NR_BWP_Downlink_t *bwp, + NR_SearchSpace__searchSpaceType_PR target_ss) { + DevAssert(bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList); + DevAssert(bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList->list.count > 0); + + const int n = bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList->list.count; + for (int i=0;i<n;i++) { + NR_SearchSpace_t *ss = bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList->list.array[i]; + AssertFatal(ss->controlResourceSetId != NULL, "ss->controlResourceSetId is null\n"); + AssertFatal(ss->searchSpaceType != NULL, "ss->searchSpaceType is null\n"); + if (ss->searchSpaceType->present == target_ss) { + return ss; + } + } + AssertFatal(0, "Couldn't find an adequate searchspace\n"); +} + int allocate_nr_CCEs(gNB_MAC_INST *nr_mac, - int bwp_id, - int list_id, - int aggregation, - int search_space, // 0 common, 1 ue-specific - int UE_id, - int m) { + NR_BWP_Downlink_t *bwp, + NR_ControlResourceSet_t *coreset, + int aggregation, + int search_space, // 0 common, 1 ue-specific + int UE_id, + int m) { // uncomment these when we allocate for common search space // NR_COMMON_channels_t *cc = nr_mac->common_channels; // NR_ServingCellConfigCommon_t *scc = cc->ServingCellConfigCommon; NR_UE_list_t *UE_list = &nr_mac->UE_list; - NR_BWP_Downlink_t *bwp; - NR_CellGroupConfig_t *secondaryCellGroup; - - NR_ControlResourceSet_t *coreset; - AssertFatal(UE_list->active[UE_id] >=0,"UE_id %d is not active\n",UE_id); - secondaryCellGroup = UE_list->secondaryCellGroup[UE_id]; - bwp=secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[bwp_id-1]; - - if (search_space == 1) { - coreset = bwp->bwp_Dedicated->pdcch_Config->choice.setup->controlResourceSetToAddModList->list.array[list_id]; - } - else { - coreset = bwp->bwp_Common->pdcch_ConfigCommon->choice.setup->commonControlResourceSet; - } int coreset_id = coreset->controlResourceSetId; - int *cce_list = nr_mac->cce_list[bwp_id][coreset_id]; + int *cce_list = nr_mac->cce_list[bwp->bwp_Id][coreset_id]; int n_rb=0; for (int i=0;i<6;i++) @@ -410,6 +438,8 @@ void nr_configure_css_dci_initial(nfapi_nr_dl_tti_pdcch_pdu_rel15_t* pdcch_pdu, void nr_fill_nfapi_dl_pdu(int Mod_idP, int UE_id, int bwp_id, + NR_SearchSpace_t *ss, + NR_ControlResourceSet_t *coreset, nfapi_nr_dl_tti_request_body_t *dl_req, NR_sched_pucch *pucch_sched, int nrOfLayers, @@ -424,7 +454,9 @@ void nr_fill_nfapi_dl_pdu(int Mod_idP, uint32_t TBS, int time_domain_assignment, int StartSymbolIndex, - int NrOfSymbols) { + int NrOfSymbols, + uint8_t aggregation_level, + int CCEIndex) { gNB_MAC_INST *nr_mac = RC.nrmac[Mod_idP]; NR_COMMON_channels_t *cc = nr_mac->common_channels; NR_ServingCellConfigCommon_t *scc = cc->ServingCellConfigCommon; @@ -561,37 +593,15 @@ void nr_fill_nfapi_dl_pdu(int Mod_idP, dci_pdu_rel15[0].ndi, dci_pdu_rel15[0].rv); - NR_SearchSpace_t *ss; - int target_ss = NR_SearchSpace__searchSpaceType_PR_ue_Specific; - - AssertFatal(bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList!=NULL,"searchPsacesToAddModList is null\n"); - AssertFatal(bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList->list.count>0, - "searchPsacesToAddModList is empty\n"); - - int found=0; - - for (int i=0;i<bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList->list.count;i++) { - ss=bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList->list.array[i]; - AssertFatal(ss->controlResourceSetId != NULL,"ss->controlResourceSetId is null\n"); - AssertFatal(ss->searchSpaceType != NULL,"ss->searchSpaceType is null\n"); - if (ss->searchSpaceType->present == target_ss) { - found=1; - break; - } - } - AssertFatal(found==1,"Couldn't find an adequate searchspace\n"); - - int ret = nr_configure_pdcch(nr_mac, - pdcch_pdu_rel15, - UE_list->rnti[UE_id], - 1, // ue-specific - ss, - scc, - bwp); - if (ret < 0) { - LOG_I(MAC,"CCE list not empty, couldn't schedule PDSCH\n"); - return 0; - } + nr_configure_pdcch(nr_mac, + pdcch_pdu_rel15, + UE_list->rnti[UE_id], + ss, + coreset, + scc, + bwp, + aggregation_level, + CCEIndex); int dci_formats[2]; int rnti_types[2]; @@ -643,44 +653,16 @@ void nr_fill_nfapi_dl_pdu(int Mod_idP, TBS); } -int nr_configure_pdcch(gNB_MAC_INST *nr_mac, - nfapi_nr_dl_tti_pdcch_pdu_rel15_t* pdcch_pdu, - uint16_t rnti, - int ss_type, - NR_SearchSpace_t *ss, - NR_ServingCellConfigCommon_t *scc, - NR_BWP_Downlink_t *bwp){ - - int CCEIndex = -1; - int cid = 0; - NR_ControlResourceSet_t *coreset = NULL; - +void nr_configure_pdcch(gNB_MAC_INST *nr_mac, + nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu, + uint16_t rnti, + NR_SearchSpace_t *ss, + NR_ControlResourceSet_t *coreset, + NR_ServingCellConfigCommon_t *scc, + NR_BWP_Downlink_t *bwp, + uint8_t aggregation_level, + int CCEIndex) { if (bwp) { // This is not the InitialBWP - NR_ControlResourceSet_t *temp_coreset; - NR_ControlResourceSetId_t coresetid = *ss->controlResourceSetId; - if (ss_type == 0) { // common search space - if (coresetid == 0){ - AssertFatal(1==0,"coreset0 currently not supported\n"); - } - else { - coreset = bwp->bwp_Common->pdcch_ConfigCommon->choice.setup->commonControlResourceSet; - AssertFatal(coresetid==coreset->controlResourceSetId,"ID of common ss coreset does not correspond to id set in the search space\n"); - } - } - else { - int n_list = bwp->bwp_Dedicated->pdcch_Config->choice.setup->controlResourceSetToAddModList->list.count; - for (int i=0; i<n_list; i++) { - temp_coreset = bwp->bwp_Dedicated->pdcch_Config->choice.setup->controlResourceSetToAddModList->list.array[i]; - if (coresetid==temp_coreset->controlResourceSetId) { - coreset = temp_coreset; - cid = i; - break; - } - } - if(coreset==NULL) - AssertFatal(1==0,"Couldn't find coreset with id %ld\n",coresetid); - } - pdcch_pdu->BWPSize = NRRIV2BW(bwp->bwp_Common->genericParameters.locationAndBandwidth,275); pdcch_pdu->BWPStart = NRRIV2PRBOFFSET(bwp->bwp_Common->genericParameters.locationAndBandwidth,275); pdcch_pdu->SubcarrierSpacing = bwp->bwp_Common->genericParameters.subcarrierSpacing; @@ -743,22 +725,6 @@ int nr_configure_pdcch(gNB_MAC_INST *nr_mac, pdcch_pdu->dci_pdu.ScramblingRNTI[pdcch_pdu->numDlDci]=0; } - uint8_t nr_of_candidates,aggregation_level; - find_aggregation_candidates(&aggregation_level, - &nr_of_candidates, - ss); - - CCEIndex = allocate_nr_CCEs(nr_mac, - 1, // bwp_id - cid, - aggregation_level, - ss->searchSpaceType->present-1, // search_space, 0 common, 1 ue-specific - 0, // UE-id - 0); // m - - if (CCEIndex<0) - return (CCEIndex); - pdcch_pdu->dci_pdu.AggregationLevel[pdcch_pdu->numDlDci] = aggregation_level; pdcch_pdu->dci_pdu.CceIndex[pdcch_pdu->numDlDci] = CCEIndex; @@ -767,7 +733,6 @@ int nr_configure_pdcch(gNB_MAC_INST *nr_mac, pdcch_pdu->dci_pdu.powerControlOffsetSS[pdcch_pdu->numDlDci]=1; pdcch_pdu->numDlDci++; - return (0); } else { // this is for InitialBWP AssertFatal(1==0,"Fill in InitialBWP PDCCH configuration\n"); diff --git a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h index 76ec3c677257a0041056ab645d30b11f4b2664cf..a67e2d3912a602a9711ff56cbeabe80a15c394cc 100644 --- a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h +++ b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h @@ -132,6 +132,8 @@ void nr_schedule_css_dlsch_phytest(module_id_t module_idP, void nr_fill_nfapi_dl_pdu(int Mod_id, int UE_id, int bwp_id, + NR_SearchSpace_t *ss, + NR_ControlResourceSet_t *coreset, nfapi_nr_dl_tti_request_body_t *dl_req, NR_sched_pucch *pucch_sched, int nrOfLayers, @@ -146,7 +148,9 @@ void nr_fill_nfapi_dl_pdu(int Mod_id, uint32_t tbs, int time_domain_assignment, int StartSymbolIndex, - int NrOfSymbols); + int NrOfSymbols, + uint8_t aggregation_level, + int CCEIndex); int configure_fapi_dl_pdu_phytest(int Mod_id, nfapi_nr_dl_tti_request_body_t *dl_req, @@ -233,13 +237,15 @@ void find_search_space(int ss_type, NR_BWP_Downlink_t *bwp, NR_SearchSpace_t *ss); -int nr_configure_pdcch(gNB_MAC_INST *nr_mac, - nfapi_nr_dl_tti_pdcch_pdu_rel15_t* pdcch_pdu, - uint16_t rnti, - int ss_type, - NR_SearchSpace_t *ss, - NR_ServingCellConfigCommon_t *scc, - NR_BWP_Downlink_t *bwp); +void nr_configure_pdcch(gNB_MAC_INST *nr_mac, + nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu, + uint16_t rnti, + NR_SearchSpace_t *ss, + NR_ControlResourceSet_t *coreset, + NR_ServingCellConfigCommon_t *scc, + NR_BWP_Downlink_t *bwp, + uint8_t aggregation_level, + int CCEIndex); void fill_dci_pdu_rel15(NR_ServingCellConfigCommon_t *scc, NR_CellGroupConfig_t *secondaryCellGroup, @@ -255,6 +261,16 @@ void prepare_dci(NR_CellGroupConfig_t *secondaryCellGroup, nr_dci_format_t format, int bwp_id); +/* find coreset within the search space */ +NR_ControlResourceSet_t *get_coreset(NR_BWP_Downlink_t *bwp, + NR_SearchSpace_t *ss, + int ss_type); + +/* find a search space within a BWP */ +NR_SearchSpace_t *get_searchspace( + NR_BWP_Downlink_t *bwp, + NR_SearchSpace__searchSpaceType_PR target_ss); + void find_aggregation_candidates(uint8_t *aggregation_level, uint8_t *nr_of_candidates, NR_SearchSpace_t *ss); @@ -290,13 +306,12 @@ int add_new_nr_ue(module_id_t mod_idP, rnti_t rntiP); void mac_remove_nr_ue(module_id_t mod_id, rnti_t rnti); int allocate_nr_CCEs(gNB_MAC_INST *nr_mac, - int bwp_id, - int coreset_id, + NR_BWP_Downlink_t *bwp, + NR_ControlResourceSet_t *coreset, int aggregation, int search_space, // 0 common, 1 ue-specific int UE_id, - int m - ); + int m); int get_dlscs(nfapi_nr_config_request_t *cfg);