Refactor F1 Setup Req: Move radio info into cell

openair2/COMMON/f1ap_messages_types.h

@@ -90,6 +90,30 @@ typedef struct f1ap_plmn_t {
   uint8_t  mnc_digit_length;
 } f1ap_plmn_t;
 
+typedef enum f1ap_mode_t { F1AP_MODE_TDD = 0, F1AP_MODE_FDD = 1 } f1ap_mode_t;
+
+typedef struct f1ap_nr_frequency_info_t {
+  uint32_t arfcn;
+  int band;
+} f1ap_nr_frequency_info_t;
+
+typedef struct f1ap_transmission_bandwidth_t {
+  uint8_t scs;
+  uint16_t nrb;
+} f1ap_transmission_bandwidth_t;
+
+typedef struct f1ap_fdd_info_t {
+  f1ap_nr_frequency_info_t ul_freqinfo;
+  f1ap_nr_frequency_info_t dl_freqinfo;
+  f1ap_transmission_bandwidth_t ul_tbw;
+  f1ap_transmission_bandwidth_t dl_tbw;
+} f1ap_fdd_info_t;
+
+typedef struct f1ap_tdd_info_t {
+  f1ap_nr_frequency_info_t freqinfo;
+  f1ap_transmission_bandwidth_t tbw;
+} f1ap_tdd_info_t;
+
 typedef struct f1ap_served_cell_info_t {
   // NR CGI
   f1ap_plmn_t plmn;
@@ -105,6 +129,12 @@ typedef struct f1ap_served_cell_info_t {
   uint16_t num_ssi;
   uint8_t sst;
   uint8_t sd;
+
+  f1ap_mode_t mode;
+  union {
+    f1ap_fdd_info_t fdd;
+    f1ap_tdd_info_t tdd;
+  };
 } f1ap_served_cell_info_t;
 
 typedef struct f1ap_setup_req_s {
@@ -119,52 +149,6 @@ typedef struct f1ap_setup_req_s {
     f1ap_served_cell_info_t info;
   } cell[F1AP_MAX_NB_CELLS];
 
-  // fdd_flag = 1 means FDD, 0 means TDD
-  int  fdd_flag;
-
-  union {
-    struct fdd_s {
-      uint32_t ul_nr_arfcn;
-      uint8_t ul_scs;
-      uint16_t ul_nrb;
-
-      uint32_t dl_nr_arfcn;
-      uint8_t dl_scs;
-      uint16_t dl_nrb;
-
-      uint32_t sul_active;
-      uint32_t sul_nr_arfcn;
-      uint8_t sul_scs;
-      uint16_t sul_nrb;
-
-      uint8_t ul_num_frequency_bands;
-      uint16_t ul_nr_band[32];
-      uint8_t ul_num_sul_frequency_bands;
-      uint16_t ul_nr_sul_band[32];
-
-      uint8_t dl_num_frequency_bands;
-      uint16_t dl_nr_band[32];
-      uint8_t dl_num_sul_frequency_bands;
-      uint16_t dl_nr_sul_band[32];
-    } fdd;
-    struct tdd_s {
-
-      uint32_t nr_arfcn;
-      uint8_t scs;
-      uint16_t nrb;
-
-      uint32_t sul_active;
-      uint32_t sul_nr_arfcn;
-      uint8_t sul_scs;
-      uint16_t sul_nrb;
-
-      uint8_t num_frequency_bands;
-      uint16_t nr_band[32];
-      uint8_t num_sul_frequency_bands;
-      uint16_t nr_sul_band[32];
-
-    } tdd;
-  } nr_mode_info[F1AP_MAX_NB_CELLS];
 
   char *measurement_timing_information[F1AP_MAX_NB_CELLS];
   uint8_t ranac[F1AP_MAX_NB_CELLS];

openair2/F1AP/f1ap_cu_interface_management.c

@@ -146,53 +146,45 @@ int CU_handle_F1_SETUP_REQUEST(instance_t instance,
 
     // FDD Cells
     if (servedCellInformation->nR_Mode_Info.present==F1AP_NR_Mode_Info_PR_fDD) {
-      struct fdd_s *FDDs=&req->nr_mode_info[i].fdd;
+      req->cell[i].info.mode = F1AP_MODE_FDD;
+      f1ap_fdd_info_t *FDDs = &req->cell[i].info.fdd;
       F1AP_FDD_Info_t * fDD_Info=servedCellInformation->nR_Mode_Info.choice.fDD;
-      FDDs->ul_nr_arfcn=fDD_Info->uL_NRFreqInfo.nRARFCN;
-      FDDs->ul_num_frequency_bands=fDD_Info->uL_NRFreqInfo.freqBandListNr.list.count;
+      FDDs->ul_freqinfo.arfcn = fDD_Info->uL_NRFreqInfo.nRARFCN;
+      AssertFatal(fDD_Info->uL_NRFreqInfo.freqBandListNr.list.count == 1, "cannot handle more than one frequency band\n");
       for (int f=0; f < fDD_Info->uL_NRFreqInfo.freqBandListNr.list.count; f++) {
         F1AP_FreqBandNrItem_t * FreqItem=fDD_Info->uL_NRFreqInfo.freqBandListNr.list.array[f];
-	FDDs->ul_nr_band[f]=FreqItem->freqBandIndicatorNr;
-	int num_available_supported_SULBands=FreqItem->supportedSULBandList.list.count;
-	for (int sul=0; sul < num_available_supported_SULBands; sul ++ ) {
-          F1AP_SupportedSULFreqBandItem_t * SulItem= FreqItem->supportedSULBandList.list.array[sul];
-	  FDDs->ul_nr_sul_band[sul]=SulItem->freqBandIndicatorNr;
+        FDDs->ul_freqinfo.band = FreqItem->freqBandIndicatorNr;
+        AssertFatal(FreqItem->supportedSULBandList.list.count == 0, "cannot handle SUL bands!\n");
       }
-      }
-      FDDs->dl_nr_arfcn=fDD_Info->dL_NRFreqInfo.nRARFCN;
+      FDDs->dl_freqinfo.arfcn = fDD_Info->dL_NRFreqInfo.nRARFCN;
       int dlBands=fDD_Info->dL_NRFreqInfo.freqBandListNr.list.count;
+      AssertFatal(dlBands == 0, "cannot handled more than one frequency band\n");
       for (int dlB=0; dlB < dlBands; dlB++) {
 	F1AP_FreqBandNrItem_t * FreqItem=fDD_Info->dL_NRFreqInfo.freqBandListNr.list.array[dlB];
-	FDDs->dl_nr_band[dlB]=FreqItem->freqBandIndicatorNr;
+        FDDs->dl_freqinfo.band = FreqItem->freqBandIndicatorNr;
         int num_available_supported_SULBands = FreqItem->supportedSULBandList.list.count;
-	for (int sul=0; sul < num_available_supported_SULBands; sul ++ ) {
-	  F1AP_SupportedSULFreqBandItem_t * SulItem= FreqItem->supportedSULBandList.list.array[sul];
-	  FDDs->ul_nr_sul_band[sul]=SulItem->freqBandIndicatorNr;
-	}
+        AssertFatal(num_available_supported_SULBands == 0, "cannot handle SUL bands!\n");
       }
-      FDDs->ul_scs=fDD_Info->uL_Transmission_Bandwidth.nRSCS;
-      FDDs->ul_nrb=nrb_lut[fDD_Info->uL_Transmission_Bandwidth.nRNRB];
-      FDDs->dl_scs=fDD_Info->dL_Transmission_Bandwidth.nRSCS;
-      FDDs->dl_nrb=nrb_lut[fDD_Info->dL_Transmission_Bandwidth.nRNRB]; 
-    }
-    
-    // TDD
-    if (servedCellInformation->nR_Mode_Info.present==F1AP_NR_Mode_Info_PR_tDD) {
-      struct tdd_s *TDDs=&req->nr_mode_info[i].tdd;
-      F1AP_TDD_Info_t * tDD_Info=servedCellInformation->nR_Mode_Info.choice.tDD;
-      TDDs->nr_arfcn=tDD_Info->nRFreqInfo.nRARFCN;
-      TDDs->num_frequency_bands=tDD_Info->nRFreqInfo.freqBandListNr.list.count;
+      FDDs->ul_tbw.scs = fDD_Info->uL_Transmission_Bandwidth.nRSCS;
+      FDDs->ul_tbw.nrb = nrb_lut[fDD_Info->uL_Transmission_Bandwidth.nRNRB];
+      FDDs->dl_tbw.scs = fDD_Info->dL_Transmission_Bandwidth.nRSCS;
+      FDDs->dl_tbw.nrb = nrb_lut[fDD_Info->dL_Transmission_Bandwidth.nRNRB];
+    } else if (servedCellInformation->nR_Mode_Info.present==F1AP_NR_Mode_Info_PR_tDD) {
+      req->cell[i].info.mode = F1AP_MODE_TDD;
+      f1ap_tdd_info_t *TDDs = &req->cell[i].info.tdd;
+      F1AP_TDD_Info_t *tDD_Info = servedCellInformation->nR_Mode_Info.choice.tDD;
+      TDDs->freqinfo.arfcn = tDD_Info->nRFreqInfo.nRARFCN;
+      AssertFatal(tDD_Info->nRFreqInfo.freqBandListNr.list.count == 1, "cannot handle more than one frequency band\n");
       for (int f=0; f < tDD_Info->nRFreqInfo.freqBandListNr.list.count; f++) {
         struct F1AP_FreqBandNrItem * FreqItem=tDD_Info->nRFreqInfo.freqBandListNr.list.array[f];
-	TDDs->nr_band[f]=FreqItem->freqBandIndicatorNr;
-	int num_available_supported_SULBands=FreqItem->supportedSULBandList.list.count;
-	for (int sul=0; sul < num_available_supported_SULBands; sul ++ ) {
-          struct F1AP_SupportedSULFreqBandItem * SulItem= FreqItem->supportedSULBandList.list.array[sul];
-	  TDDs->nr_sul_band[sul]=SulItem->freqBandIndicatorNr;
-	}
+        TDDs->freqinfo.band = FreqItem->freqBandIndicatorNr;
+        int num_available_supported_SULBands = FreqItem->supportedSULBandList.list.count;
+        AssertFatal(num_available_supported_SULBands == 0, "cannot hanlde SUL bands!\n");
       }
-      TDDs->scs=tDD_Info->transmission_Bandwidth.nRSCS;
-      TDDs->nrb=nrb_lut[tDD_Info->transmission_Bandwidth.nRNRB];
+      TDDs->tbw.scs = tDD_Info->transmission_Bandwidth.nRSCS;
+      TDDs->tbw.nrb = nrb_lut[tDD_Info->transmission_Bandwidth.nRNRB];
+    } else {
+      AssertFatal(false, "unknown NR Mode info %d\n", servedCellInformation->nR_Mode_Info.present);
     }
 	
     struct F1AP_GNB_DU_System_Information * DUsi=served_cells_item->gNB_DU_System_Information;

openair2/GNB_APP/gnb_config.c

@@ -1987,35 +1987,25 @@ int RCconfig_NR_DU_F1(MessageDef *msg_p, uint32_t i) {
 
         if (rrc->configuration.scc->tdd_UL_DL_ConfigurationCommon) {
           LOG_I(GNB_APP,"ngran_DU: Configuring Cell %d for TDD\n",k);
-          f1Setup->fdd_flag = 0;
-          f1Setup->nr_mode_info[k].tdd.nr_arfcn = rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA;
-          f1Setup->nr_mode_info[k].tdd.scs = rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing;
-          f1Setup->nr_mode_info[k].tdd.nrb = rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth;
-          f1Setup->nr_mode_info[k].tdd.num_frequency_bands = 1;
-          f1Setup->nr_mode_info[k].tdd.nr_band[0] = *rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0];
-          f1Setup->nr_mode_info[k].tdd.sul_active              = 0;
+          f1Setup->cell[k].info.mode = F1AP_MODE_TDD;
+          f1ap_tdd_info_t *tdd = &f1Setup->cell[k].info.tdd;
+          tdd->freqinfo.arfcn = rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA;
+          tdd->tbw.scs = rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing;
+          tdd->tbw.nrb = rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth;
+          tdd->freqinfo.band = *rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0];
         } else {
           /***************** for test *****************/
           LOG_I(GNB_APP,"ngran_DU: Configuring Cell %d for FDD\n",k);
-          f1Setup->fdd_flag = 1;
-          f1Setup->nr_mode_info[k].fdd.dl_nr_arfcn             = 26200UL;
-          f1Setup->nr_mode_info[k].fdd.ul_nr_arfcn             = 26200UL;
-          // For LTE use scs field to carry prefix type and number of antennas
-          f1Setup->nr_mode_info[k].fdd.dl_scs                  = 0;
-          f1Setup->nr_mode_info[k].fdd.ul_scs                  = 0;
-          // use nrb field to hold LTE N_RB_DL (0...5)
-          f1Setup->nr_mode_info[k].fdd.ul_nrb                  = 3;
-          f1Setup->nr_mode_info[k].fdd.ul_nrb                  = 3;
-          // RK: we need to check there value for FDD's frequency_bands DL/UL
-          f1Setup->nr_mode_info[k].fdd.ul_num_frequency_bands  = 1;
-          f1Setup->nr_mode_info[k].fdd.ul_nr_band[0]           = 7;
-          f1Setup->nr_mode_info[k].fdd.dl_num_frequency_bands  = 1;
-          f1Setup->nr_mode_info[k].fdd.dl_nr_band[0]           = 7;
-          f1Setup->nr_mode_info[k].fdd.ul_num_sul_frequency_bands  = 0;
-          f1Setup->nr_mode_info[k].fdd.ul_nr_sul_band[0]           = 7;
-          f1Setup->nr_mode_info[k].fdd.dl_num_sul_frequency_bands  = 0;
-          f1Setup->nr_mode_info[k].fdd.dl_nr_sul_band[0]           = 7;
-          f1Setup->nr_mode_info[k].fdd.sul_active              = 0;
+          f1Setup->cell[k].info.mode = F1AP_MODE_FDD;
+          f1ap_fdd_info_t *fdd = &f1Setup->cell[k].info.fdd;
+          fdd->dl_freqinfo.arfcn = 26200UL;
+          fdd->ul_freqinfo.arfcn = 26200UL;
+          fdd->dl_tbw.scs = 0;
+          fdd->ul_tbw.scs = 0;
+          fdd->dl_tbw.nrb = 3;
+          fdd->ul_tbw.nrb = 3;
+          fdd->dl_freqinfo.band = 7;
+          fdd->ul_freqinfo.band = 7;
           /***************** for test *****************/
         }