Create separate nr_fill_nfapi_dl_pdu()

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c

@@ -439,7 +439,7 @@ void nr_schedule_ue_spec(module_id_t module_id,
   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 int TBS_bytes = configure_fapi_dl_pdu(module_id, dl_req, pucch, NULL, NULL, NULL);
+  const int TBS_bytes = nr_fill_nfapi_dl_pdu(module_id, dl_req, pucch, NULL, NULL, NULL);
 
   if (TBS_bytes == 0)
    return;

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c

@@ -252,14 +252,12 @@ void nr_schedule_css_dlsch_phytest(module_id_t   module_idP,
   }
 }
 
-
-int configure_fapi_dl_pdu(int Mod_idP,
-                          nfapi_nr_dl_tti_request_body_t *dl_req,
-                          NR_sched_pucch *pucch_sched,
-                          uint8_t *mcsIndex,
-                          uint16_t *rbSize,
-                          uint16_t *rbStart) {
-
+int configure_fapi_dl_pdu_phytest(int Mod_idP,
+                                  nfapi_nr_dl_tti_request_body_t *dl_req,
+                                  NR_sched_pucch *pucch_sched,
+                                  uint8_t *mcsIndex,
+                                  uint16_t *rbSize,
+                                  uint16_t *rbStart) {
   gNB_MAC_INST                        *nr_mac  = RC.nrmac[Mod_idP];
   NR_COMMON_channels_t                *cc      = nr_mac->common_channels;
   NR_ServingCellConfigCommon_t        *scc     = cc->ServingCellConfigCommon;
@@ -623,12 +621,13 @@ void nr_schedule_uss_dlsch_phytest(module_id_t   module_idP,
 
   int ta_len = (ue_sched_ctl->ta_apply)?2:0;
 
-  TBS_bytes = configure_fapi_dl_pdu(module_idP,
-                                    dl_req,
-                                    pucch_sched,
-                                    dlsch_config!=NULL ? dlsch_config->mcsIndex : NULL,
-                                    dlsch_config!=NULL ? &dlsch_config->rbSize : NULL,
-                                    dlsch_config!=NULL ? &dlsch_config->rbStart : NULL);
+  TBS_bytes = configure_fapi_dl_pdu_phytest(
+      module_idP,
+      dl_req,
+      pucch_sched,
+      dlsch_config != NULL ? dlsch_config->mcsIndex : NULL,
+      dlsch_config != NULL ? &dlsch_config->rbSize : NULL,
+      dlsch_config != NULL ? &dlsch_config->rbStart : NULL);
 
   if (TBS_bytes == 0)
    return;

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c

@@ -407,6 +407,236 @@ void nr_configure_css_dci_initial(nfapi_nr_dl_tti_pdcch_pdu_rel15_t* pdcch_pdu,
 
 }
 
+int nr_fill_nfapi_dl_pdu(int Mod_idP,
+                         nfapi_nr_dl_tti_request_body_t *dl_req,
+                         NR_sched_pucch *pucch_sched,
+                         uint8_t *mcsIndex,
+                         uint16_t *rbSize,
+                         uint16_t *rbStart) {
+  gNB_MAC_INST                        *nr_mac  = RC.nrmac[Mod_idP];
+  NR_COMMON_channels_t                *cc      = nr_mac->common_channels;
+  NR_ServingCellConfigCommon_t        *scc     = cc->ServingCellConfigCommon;
+
+  nfapi_nr_dl_tti_request_pdu_t  *dl_tti_pdcch_pdu;
+  nfapi_nr_dl_tti_request_pdu_t  *dl_tti_pdsch_pdu;
+
+  int TBS;
+  int bwp_id=1;
+  int UE_id = 0;
+
+  NR_UE_list_t *UE_list = &RC.nrmac[Mod_idP]->UE_list;
+
+  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];
+
+  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");
+
+  dl_tti_pdcch_pdu = &dl_req->dl_tti_pdu_list[dl_req->nPDUs];
+  memset((void*)dl_tti_pdcch_pdu,0,sizeof(nfapi_nr_dl_tti_request_pdu_t));
+  dl_tti_pdcch_pdu->PDUType = NFAPI_NR_DL_TTI_PDCCH_PDU_TYPE;
+  dl_tti_pdcch_pdu->PDUSize = (uint8_t)(2+sizeof(nfapi_nr_dl_tti_pdcch_pdu));
+
+  dl_tti_pdsch_pdu = &dl_req->dl_tti_pdu_list[dl_req->nPDUs+1];
+  memset((void*)dl_tti_pdsch_pdu,0,sizeof(nfapi_nr_dl_tti_request_pdu_t));
+  dl_tti_pdsch_pdu->PDUType = NFAPI_NR_DL_TTI_PDSCH_PDU_TYPE;
+  dl_tti_pdsch_pdu->PDUSize = (uint8_t)(2+sizeof(nfapi_nr_dl_tti_pdsch_pdu));
+
+  nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu_rel15 = &dl_tti_pdcch_pdu->pdcch_pdu.pdcch_pdu_rel15;
+  nfapi_nr_dl_tti_pdsch_pdu_rel15_t *pdsch_pdu_rel15 = &dl_tti_pdsch_pdu->pdsch_pdu.pdsch_pdu_rel15;
+
+
+  pdsch_pdu_rel15->pduBitmap = 0;
+  pdsch_pdu_rel15->rnti = UE_list->rnti[UE_id];
+  pdsch_pdu_rel15->pduIndex = 0;
+
+  // BWP
+  pdsch_pdu_rel15->BWPSize  = NRRIV2BW(bwp->bwp_Common->genericParameters.locationAndBandwidth,275);
+  pdsch_pdu_rel15->BWPStart = NRRIV2PRBOFFSET(bwp->bwp_Common->genericParameters.locationAndBandwidth,275);
+  pdsch_pdu_rel15->SubcarrierSpacing = bwp->bwp_Common->genericParameters.subcarrierSpacing;
+  if (bwp->bwp_Common->genericParameters.cyclicPrefix)
+    pdsch_pdu_rel15->CyclicPrefix = *bwp->bwp_Common->genericParameters.cyclicPrefix;
+  else
+    pdsch_pdu_rel15->CyclicPrefix = 0;
+
+  pdsch_pdu_rel15->NrOfCodewords = 1;
+  int mcs = (mcsIndex!=NULL) ? *mcsIndex : 9;
+  int current_harq_pid = UE_list->UE_sched_ctrl[UE_id].current_harq_pid;
+  pdsch_pdu_rel15->targetCodeRate[0] = nr_get_code_rate_dl(mcs,0);
+  pdsch_pdu_rel15->qamModOrder[0] = 2;
+  pdsch_pdu_rel15->mcsIndex[0] = mcs;
+  pdsch_pdu_rel15->mcsTable[0] = 0;
+  pdsch_pdu_rel15->rvIndex[0] = nr_rv_round_map[UE_list->UE_sched_ctrl[UE_id].harq_processes[current_harq_pid].round];
+  pdsch_pdu_rel15->dataScramblingId = *scc->physCellId;
+  pdsch_pdu_rel15->nrOfLayers = 1;
+  pdsch_pdu_rel15->transmissionScheme = 0;
+  pdsch_pdu_rel15->refPoint = 0; // Point A
+  UE_list->mac_stats[UE_id].dlsch_rounds[UE_list->UE_sched_ctrl[UE_id].harq_processes[current_harq_pid].round]++;
+  pdsch_pdu_rel15->dmrsConfigType = bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type == NULL ? 0 : 1;
+  pdsch_pdu_rel15->dlDmrsScramblingId = *scc->physCellId;
+  pdsch_pdu_rel15->SCID = 0;
+  pdsch_pdu_rel15->numDmrsCdmGrpsNoData = 1;
+  pdsch_pdu_rel15->dmrsPorts = 1;
+  pdsch_pdu_rel15->resourceAlloc = 1;
+  pdsch_pdu_rel15->rbStart = (rbStart!=NULL) ? *rbStart : 0;
+  pdsch_pdu_rel15->rbSize = (rbSize!=NULL) ? *rbSize : pdsch_pdu_rel15->BWPSize;
+  pdsch_pdu_rel15->VRBtoPRBMapping = 1; // non-interleaved, check if this is ok for initialBWP
+
+  int startSymbolAndLength=0;
+  int time_domain_assignment=2;
+  int StartSymbolIndex,NrOfSymbols;
+
+  AssertFatal(time_domain_assignment<bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list.count,"time_domain_assignment %d>=%d\n",time_domain_assignment,bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list.count);
+  startSymbolAndLength = bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list.array[time_domain_assignment]->startSymbolAndLength;
+  SLIV2SL(startSymbolAndLength,&StartSymbolIndex,&NrOfSymbols);
+  pdsch_pdu_rel15->StartSymbolIndex = StartSymbolIndex;
+  pdsch_pdu_rel15->NrOfSymbols      = NrOfSymbols;
+
+  //  k0 = *bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list.array[i]->k0;
+  pdsch_pdu_rel15->dlDmrsSymbPos =
+      fill_dmrs_mask(bwp->bwp_Dedicated->pdsch_Config->choice.setup,
+                     scc->dmrs_TypeA_Position,
+                     pdsch_pdu_rel15->NrOfSymbols);
+
+  dci_pdu_rel15_t dci_pdu_rel15[MAX_DCI_CORESET];
+  memset(dci_pdu_rel15, 0, sizeof(dci_pdu_rel15_t) * MAX_DCI_CORESET);
+
+  // bwp indicator
+  int n_dl_bwp = secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.count;
+  if (n_dl_bwp < 4)
+    dci_pdu_rel15[0].bwp_indicator.val = bwp_id;
+  else
+    dci_pdu_rel15[0].bwp_indicator.val = bwp_id - 1; // as per table 7.3.1.1.2-1 in 38.212
+  // frequency domain assignment
+  if (bwp->bwp_Dedicated->pdsch_Config->choice.setup->resourceAllocation==NR_PDSCH_Config__resourceAllocation_resourceAllocationType1)
+    dci_pdu_rel15[0].frequency_domain_assignment.val =
+        PRBalloc_to_locationandbandwidth0(
+            pdsch_pdu_rel15->rbSize,
+            pdsch_pdu_rel15->rbStart,
+            NRRIV2BW(bwp->bwp_Common->genericParameters.locationAndBandwidth,
+                     275));
+  else
+    AssertFatal(1==0,"Only frequency resource allocation type 1 is currently supported\n");
+  // time domain assignment
+  dci_pdu_rel15[0].time_domain_assignment.val = time_domain_assignment; // row index used here instead of SLIV;
+  // mcs and rv
+  dci_pdu_rel15[0].mcs = pdsch_pdu_rel15->mcsIndex[0];
+  dci_pdu_rel15[0].rv = pdsch_pdu_rel15->rvIndex[0];
+  // harq pid and ndi
+  dci_pdu_rel15[0].harq_pid = current_harq_pid;
+  dci_pdu_rel15[0].ndi = UE_list->UE_sched_ctrl[UE_id].harq_processes[current_harq_pid].ndi;
+  // DAI
+  dci_pdu_rel15[0].dai[0].val = (pucch_sched->dai_c-1)&3;
+
+  // TPC for PUCCH
+  dci_pdu_rel15[0].tpc = UE_list->UE_sched_ctrl[UE_id].tpc1; // table 7.2.1-1 in 38.213
+  // PUCCH resource indicator
+  dci_pdu_rel15[0].pucch_resource_indicator = pucch_sched->resource_indicator;
+  // PDSCH to HARQ TI
+  dci_pdu_rel15[0].pdsch_to_harq_feedback_timing_indicator.val = pucch_sched->timing_indicator;
+  UE_list->UE_sched_ctrl[UE_id].harq_processes[current_harq_pid].feedback_slot = pucch_sched->ul_slot;
+  UE_list->UE_sched_ctrl[UE_id].harq_processes[current_harq_pid].is_waiting = 1;
+  // antenna ports
+  dci_pdu_rel15[0].antenna_ports.val = 0;  // nb of cdm groups w/o data 1 and dmrs port 0
+  // dmrs sequence initialization
+  dci_pdu_rel15[0].dmrs_sequence_initialization.val = pdsch_pdu_rel15->SCID;
+  LOG_D(MAC,
+        "[gNB scheduler phytest] DCI type 1 payload: freq_alloc %d (%d,%d,%d), "
+        "time_alloc %d, vrb to prb %d, mcs %d tb_scaling %d ndi %d rv %d\n",
+        dci_pdu_rel15[0].frequency_domain_assignment.val,
+        pdsch_pdu_rel15->rbStart,
+        pdsch_pdu_rel15->rbSize,
+        NRRIV2BW(bwp->bwp_Common->genericParameters.locationAndBandwidth, 275),
+        dci_pdu_rel15[0].time_domain_assignment.val,
+        dci_pdu_rel15[0].vrb_to_prb_mapping.val,
+        dci_pdu_rel15[0].mcs,
+        dci_pdu_rel15[0].tb_scaling,
+        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;
+  }
+
+  int dci_formats[2];
+  int rnti_types[2];
+
+  if (ss->searchSpaceType->choice.ue_Specific->dci_Formats)
+    dci_formats[0]  = NR_DL_DCI_FORMAT_1_1;
+  else
+    dci_formats[0]  = NR_DL_DCI_FORMAT_1_0;
+
+  rnti_types[0]   = NR_RNTI_C;
+
+  fill_dci_pdu_rel15(scc,secondaryCellGroup,pdcch_pdu_rel15,dci_pdu_rel15,dci_formats,rnti_types,pdsch_pdu_rel15->BWPSize,bwp_id);
+
+  LOG_D(MAC,
+        "DCI params: rnti %x, rnti_type %d, dci_format %d\n",
+        pdcch_pdu_rel15->dci_pdu.RNTI[0],
+        rnti_types[0],
+        dci_formats[0]);
+  LOG_D(MAC,
+        "coreset params: FreqDomainResource %llx, start_symbol %d  n_symb %d\n",
+        (unsigned long long)pdcch_pdu_rel15->FreqDomainResource,
+        pdcch_pdu_rel15->StartSymbolIndex,
+        pdcch_pdu_rel15->DurationSymbols);
+
+  int x_Overhead = 0; // should be 0 for initialBWP
+  nr_get_tbs_dl(&dl_tti_pdsch_pdu->pdsch_pdu,x_Overhead,pdsch_pdu_rel15->numDmrsCdmGrpsNoData,0);
+
+  // Hardcode it for now
+  TBS = dl_tti_pdsch_pdu->pdsch_pdu.pdsch_pdu_rel15.TBSize[0];
+  if (UE_list->UE_sched_ctrl[UE_id].harq_processes[current_harq_pid].round==0)
+    UE_list->mac_stats[UE_id].dlsch_total_bytes += TBS;
+
+  LOG_D(MAC,
+        "DLSCH PDU: start PRB %d n_PRB %d startSymbolAndLength %d start symbol "
+        "%d nb_symbols %d nb_layers %d nb_codewords %d mcs %d TBS: %d\n",
+        pdsch_pdu_rel15->rbStart,
+        pdsch_pdu_rel15->rbSize,
+        startSymbolAndLength,
+        pdsch_pdu_rel15->StartSymbolIndex,
+        pdsch_pdu_rel15->NrOfSymbols,
+        pdsch_pdu_rel15->nrOfLayers,
+        pdsch_pdu_rel15->NrOfCodewords,
+        pdsch_pdu_rel15->mcsIndex[0],
+        TBS);
+
+  return TBS; //Return TBS in bytes
+}
+
 int nr_configure_pdcch(gNB_MAC_INST *nr_mac,
                        nfapi_nr_dl_tti_pdcch_pdu_rel15_t* pdcch_pdu,
                        uint16_t rnti,

openair2/LAYER2/NR_MAC_gNB/mac_proto.h

@@ -129,13 +129,20 @@ void nr_schedule_css_dlsch_phytest(module_id_t   module_idP,
                                    frame_t       frameP,
                                    sub_frame_t   subframeP);
 
-int configure_fapi_dl_pdu(int Mod_id,
+int nr_fill_nfapi_dl_pdu(int Mod_id,
                          nfapi_nr_dl_tti_request_body_t *dl_req,
                          NR_sched_pucch *pucch_sched,
                          uint8_t *mcsIndex,
                          uint16_t *rbSize,
                          uint16_t *rbStart);
 
+int configure_fapi_dl_pdu_phytest(int Mod_id,
+                                  nfapi_nr_dl_tti_request_body_t *dl_req,
+                                  NR_sched_pucch *pucch_sched,
+                                  uint8_t *mcsIndex,
+                                  uint16_t *rbSize,
+                                  uint16_t *rbStart);
+
 void config_uldci(NR_BWP_Uplink_t *ubwp,
                   nfapi_nr_pusch_pdu_t *pusch_pdu,
                   nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu_rel15,