[Epic-ID: ODUHIGH-406][Task-ID: ODUHIGH-423] UE context setup request from CU to...
[o-du/l2.git] / src / du_app / du_f1ap_msg_hdl.c
index 543c65e..5b344fe 100644 (file)
@@ -2829,8 +2829,8 @@ uint8_t BuildBsrConfig(DuUeCb *ueCb, struct BSR_Config *bsrConfig)
    }
    else
    {
-      bsrConfig->periodicBSR_Timer = ueCb->macUeCfg.macCellGrpCfg.bsrTmrCfg.periodicTimer;
-      bsrConfig->retxBSR_Timer     = ueCb->macUeCfg.macCellGrpCfg.bsrTmrCfg.retxTimer;
+      bsrConfig->periodicBSR_Timer = convertBsrPeriodicTmrValueToEnum(ueCb->macUeCfg.macCellGrpCfg.bsrTmrCfg.periodicTimer);
+      bsrConfig->retxBSR_Timer     = convertBsrRetxTmrValueToEnum(ueCb->macUeCfg.macCellGrpCfg.bsrTmrCfg.retxTimer);
 
       bsrConfig->logicalChannelSR_DelayTimer = NULLP;
       DU_ALLOC(bsrConfig->logicalChannelSR_DelayTimer, sizeof(long));
@@ -3317,12 +3317,20 @@ uint8_t BuildMacLCConfig(LcCfg *lcCfgDb, struct LogicalChannelConfig *macLcConfi
  * ****************************************************************/
 uint8_t BuildRlcBearerToAddModList(DuUeCb *ueCb, struct CellGroupConfigRrc__rlc_BearerToAddModList *rlcBearerList)
 {
-   uint8_t  idx = 0, macLcIdx = 0, elementCnt = 0;
+   uint8_t  idx = 0, lcIdx=0, macLcIdx = 0, elementCnt = 0;
 
    if(ueCb == NULLP)
       elementCnt = 1;
-   else
+   else if(ueCb->f1UeDb->actionType == UE_CTXT_CFG_QUERY)
       elementCnt = ueCb->rlcUeCfg.numLcs;
+   else
+   {
+      for(lcIdx = 0; lcIdx<ueCb->rlcUeCfg.numLcs; lcIdx++)
+      {
+         if(ueCb->rlcUeCfg.rlcLcCfg[lcIdx].isLcAddModRspSent == false)
+            elementCnt++;
+      }
+   }
    rlcBearerList->list.count = elementCnt;
    rlcBearerList->list.size  = elementCnt * sizeof(struct RLC_BearerConfig *);
 
@@ -3345,93 +3353,109 @@ uint8_t BuildRlcBearerToAddModList(DuUeCb *ueCb, struct CellGroupConfigRrc__rlc_
       }
    }
 
-   for(idx=0; idx<rlcBearerList->list.count; idx++)
+   if(ueCb == NULLP)
    {
-      /* Fill Logical channel identity */
-      if(ueCb == NULLP)
-         rlcBearerList->list.array[idx]->logicalChannelIdentity = SRB1_LCID;
-      else
-         rlcBearerList->list.array[idx]->logicalChannelIdentity = ueCb->rlcUeCfg.rlcLcCfg[idx].lcId;
-
-      /* Fill Radio Bearer Id and type (DRB/SRB) for this logical channel */
+      idx=0;
+      rlcBearerList->list.array[idx]->logicalChannelIdentity = SRB1_LCID;
       DU_ALLOC(rlcBearerList->list.array[idx]->servedRadioBearer, sizeof(struct RLC_BearerConfig__servedRadioBearer));
       if(!rlcBearerList->list.array[idx]->servedRadioBearer)
+      {     
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation failure in BuildRlcBearerToAddModList");
+         return RFAILED;
+      }     
+      rlcBearerList->list.array[idx]->servedRadioBearer->present = RLC_BearerConfig__servedRadioBearer_PR_srb_Identity;
+      rlcBearerList->list.array[idx]->servedRadioBearer->choice.srb_Identity = SRB1_LCID;
+      rlcBearerList->list.array[idx]->reestablishRLC = NULLP;
+
+      /* Fill RLC related Configurations for this Radio Bearer */
+      rlcBearerList->list.array[idx]->rlc_Config = NULLP;
+      DU_ALLOC(rlcBearerList->list.array[idx]->rlc_Config, sizeof(struct RLC_Config));
+      if(!rlcBearerList->list.array[idx]->rlc_Config)
       {
          DU_LOG("\nERROR  -->  F1AP : Memory allocation failure in BuildRlcBearerToAddModList");
          return RFAILED;
       }
-      if(ueCb == NULLP)
+      if(BuildRlcConfig(NULLP, rlcBearerList->list.array[idx]->rlc_Config) != ROK)
       {
-         rlcBearerList->list.array[idx]->servedRadioBearer->present = RLC_BearerConfig__servedRadioBearer_PR_srb_Identity;
-         rlcBearerList->list.array[idx]->servedRadioBearer->choice.srb_Identity = SRB1_LCID;
+         DU_LOG("\nERROR  -->  F1AP : BuildRlcConfig failed");
+         return RFAILED;
       }
-      else
+
+      /* Fill MAC related configurations for this Radio Bearer */
+      rlcBearerList->list.array[idx]->mac_LogicalChannelConfig = NULLP;
+      DU_ALLOC(rlcBearerList->list.array[idx]->mac_LogicalChannelConfig, sizeof(struct LogicalChannelConfig));
+      if(!rlcBearerList->list.array[idx]->mac_LogicalChannelConfig)
+      {
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation failure in BuildRlcBearerToAddModList");
+         return RFAILED;
+      }
+      if(BuildMacLCConfig(NULLP, rlcBearerList->list.array[idx]->mac_LogicalChannelConfig) != ROK)
       {
+         DU_LOG("\nERROR  -->  F1AP : BuildMacLCConfig failed");
+         return RFAILED;
+      }
+   }
+   else
+   {
+      idx=0;
+      for(lcIdx=0; lcIdx<ueCb->rlcUeCfg.numLcs; lcIdx++)
+      {
+         if((ueCb->f1UeDb->actionType != UE_CTXT_CFG_QUERY) && (ueCb->rlcUeCfg.rlcLcCfg[lcIdx].isLcAddModRspSent == true))
+            continue;
+
+         /* Fill Logical channel identity */
+         rlcBearerList->list.array[idx]->logicalChannelIdentity = ueCb->rlcUeCfg.rlcLcCfg[lcIdx].lcId;
+
+         /* Fill Radio Bearer Id and type (DRB/SRB) for this logical channel */
+         DU_ALLOC(rlcBearerList->list.array[idx]->servedRadioBearer, sizeof(struct RLC_BearerConfig__servedRadioBearer));
+         if(!rlcBearerList->list.array[idx]->servedRadioBearer)
+         {
+            DU_LOG("\nERROR  -->  F1AP : Memory allocation failure in BuildRlcBearerToAddModList");
+            return RFAILED;
+         }
          rlcBearerList->list.array[idx]->servedRadioBearer->present = \
-            covertRbTypeFromIntEnumToRrcEnum(ueCb->rlcUeCfg.rlcLcCfg[idx].rbType);
+                                                                      covertRbTypeFromIntEnumToRrcEnum(ueCb->rlcUeCfg.rlcLcCfg[lcIdx].rbType);
          switch(rlcBearerList->list.array[idx]->servedRadioBearer->present)
          {
             case RLC_BearerConfig__servedRadioBearer_PR_srb_Identity: 
-               rlcBearerList->list.array[idx]->servedRadioBearer->choice.srb_Identity = ueCb->rlcUeCfg.rlcLcCfg[idx].rbId;
+               rlcBearerList->list.array[idx]->servedRadioBearer->choice.srb_Identity = ueCb->rlcUeCfg.rlcLcCfg[lcIdx].rbId;
                break;
             case RLC_BearerConfig__servedRadioBearer_PR_drb_Identity:
-               rlcBearerList->list.array[idx]->servedRadioBearer->choice.drb_Identity = ueCb->rlcUeCfg.rlcLcCfg[idx].rbId;
+               rlcBearerList->list.array[idx]->servedRadioBearer->choice.drb_Identity = ueCb->rlcUeCfg.rlcLcCfg[lcIdx].rbId;
                break;
             case RLC_BearerConfig__servedRadioBearer_PR_NOTHING:
             default:
                break;
          }
-      }
+         ueCb->rlcUeCfg.rlcLcCfg[lcIdx].isLcAddModRspSent = true;
 
-      rlcBearerList->list.array[idx]->reestablishRLC = NULLP;
+         rlcBearerList->list.array[idx]->reestablishRLC = NULLP;
 
-      /* Fill RLC related Configurations for this Radio Bearer */
-      rlcBearerList->list.array[idx]->rlc_Config = NULLP;
-      DU_ALLOC(rlcBearerList->list.array[idx]->rlc_Config, sizeof(struct RLC_Config));
-      if(!rlcBearerList->list.array[idx]->rlc_Config)
-      {
-         DU_LOG("\nERROR  -->  F1AP : Memory allocation failure in BuildRlcBearerToAddModList");
-         return RFAILED;
-      }
-      if(ueCb == NULLP)
-      {
-         if(BuildRlcConfig(NULLP, rlcBearerList->list.array[idx]->rlc_Config) != ROK)
+         /* Fill RLC related Configurations for this Radio Bearer */
+         rlcBearerList->list.array[idx]->rlc_Config = NULLP;
+         DU_ALLOC(rlcBearerList->list.array[idx]->rlc_Config, sizeof(struct RLC_Config));
+         if(!rlcBearerList->list.array[idx]->rlc_Config)
          {
-            DU_LOG("\nERROR  -->  F1AP : BuildRlcConfig failed");
+            DU_LOG("\nERROR  -->  F1AP : Memory allocation failure in BuildRlcBearerToAddModList");
             return RFAILED;
          }
-      }
-      else
-      {
-         if(BuildRlcConfig(&ueCb->rlcUeCfg.rlcLcCfg[idx], rlcBearerList->list.array[idx]->rlc_Config) != ROK)
+         if(BuildRlcConfig(&ueCb->rlcUeCfg.rlcLcCfg[lcIdx], rlcBearerList->list.array[idx]->rlc_Config) != ROK)
          {
             DU_LOG("\nERROR  -->  F1AP : BuildRlcConfig failed");
             return RFAILED;
          }
-      }
 
-      /* Fill MAC related configurations for this Radio Bearer */
-      rlcBearerList->list.array[idx]->mac_LogicalChannelConfig = NULLP;
-      DU_ALLOC(rlcBearerList->list.array[idx]->mac_LogicalChannelConfig, sizeof(struct LogicalChannelConfig));
-      if(!rlcBearerList->list.array[idx]->mac_LogicalChannelConfig)
-      {
-         DU_LOG("\nERROR  -->  F1AP : Memory allocation failure in BuildRlcBearerToAddModList");
-         return RFAILED;
-      }
-
-      if(ueCb == NULLP)
-      {
-         if(BuildMacLCConfig(NULLP, rlcBearerList->list.array[idx]->mac_LogicalChannelConfig) != ROK)
+         /* Fill MAC related configurations for this Radio Bearer */
+         rlcBearerList->list.array[idx]->mac_LogicalChannelConfig = NULLP;
+         DU_ALLOC(rlcBearerList->list.array[idx]->mac_LogicalChannelConfig, sizeof(struct LogicalChannelConfig));
+         if(!rlcBearerList->list.array[idx]->mac_LogicalChannelConfig)
          {
-            DU_LOG("\nERROR  -->  F1AP : BuildMacLCConfig failed");
+            DU_LOG("\nERROR  -->  F1AP : Memory allocation failure in BuildRlcBearerToAddModList");
             return RFAILED;
          }
-      }
-      else
-      {
          for(macLcIdx = 0; macLcIdx < ueCb->macUeCfg.numLcs; macLcIdx++)
          {
-            if(ueCb->macUeCfg.lcCfgList[macLcIdx].lcId == ueCb->rlcUeCfg.rlcLcCfg[idx].lcId)
+            if(ueCb->macUeCfg.lcCfgList[macLcIdx].lcId == ueCb->rlcUeCfg.rlcLcCfg[lcIdx].lcId)
             {
                if(BuildMacLCConfig(&ueCb->macUeCfg.lcCfgList[macLcIdx], rlcBearerList->list.array[idx]->mac_LogicalChannelConfig) != ROK)
                {
@@ -3441,6 +3465,8 @@ uint8_t BuildRlcBearerToAddModList(DuUeCb *ueCb, struct CellGroupConfigRrc__rlc_
                break;
             }
          }
+
+         idx++;
       }
    }
    return ROK;
@@ -4008,7 +4034,8 @@ elementCnt = pdschCfg->numTimeDomRsrcAlloc;
             DU_LOG("\nERROR  -->  F1AP : Memory allocation failed in BuildPdschTimeDomAllocList");
             return RFAILED;
          }
-         *(timeDomAlloc->k0) = *(pdschCfg->timeDomRsrcAllociList[idx].k0);
+         if(pdschCfg->timeDomRsrcAllociList[idx].k0)
+            *(timeDomAlloc->k0) = *(pdschCfg->timeDomRsrcAllociList[idx].k0);
          timeDomAlloc->mappingType = pdschCfg->timeDomRsrcAllociList[idx].mappingType;
          timeDomAlloc->startSymbolAndLength = pdschCfg->timeDomRsrcAllociList[idx].startSymbolAndLength;
       }
@@ -7347,7 +7374,8 @@ uint8_t BuildAndSendInitialRrcMsgTransfer(uint32_t gnbDuUeF1apId, uint16_t crnti
 {
    uint8_t   ret;
    uint8_t   elementCnt;
-   uint8_t   ieIdx;
+   uint8_t   ieIdx, cellIdx, ueIdx;
+   DuUeCb    *duUeCb = NULLP;
    asn_enc_rval_t  encRetVal;
    F1AP_PDU_t  *f1apMsg = NULLP;
    InitialULRRCMessageTransfer_t *initULRRCMsg = NULLP;
@@ -7459,7 +7487,19 @@ uint8_t BuildAndSendInitialRrcMsgTransfer(uint32_t gnbDuUeF1apId, uint16_t crnti
       initULRRCMsg->protocolIEs.list.array[ieIdx]->value.present =\
                                                                 InitialULRRCMessageTransferIEs__value_PR_DUtoCURRCContainer;
 
-      ret = BuildCellGroupConfigRrc(NULLP, &initULRRCMsg->protocolIEs.list.array[ieIdx]->value.choice.DUtoCURRCContainer);
+      for(cellIdx = 0; cellIdx < MAX_NUM_CELL; cellIdx++)
+      {
+         for(ueIdx = 0; ueIdx < MAX_NUM_UE; ueIdx++)
+         {
+            if(duCb.actvCellLst[cellIdx] && (duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbDuUeF1apId == gnbDuUeF1apId)&&\
+                  (duCb.actvCellLst[cellIdx]->ueCb[ueIdx].crnti == crnti))
+            {
+               duUeCb = &duCb.actvCellLst[cellIdx]->ueCb[ueIdx];
+            }
+         }
+      }
+
+      ret = BuildCellGroupConfigRrc(duUeCb, &initULRRCMsg->protocolIEs.list.array[ieIdx]->value.choice.DUtoCURRCContainer);
       if(ret != ROK)
       {
         break;
@@ -11230,23 +11270,22 @@ void duFillModulationDetails(MacUeCfg *ueCfg, MacUeCfg *oldUeCfg, void *ueCap)
 
 /*******************************************************************
  *
- * @brief Function to extract cellGrp Info present in cutoDu cont
+ * @brief Function to extract info from CU to DU RRC container extension
  *
  * @details
  *
- *    Function : extractCellGrpInfo
+ *    Function : extractCuToDuRrcInfoExt
  *
- *    Functionality: Function to extract cellGrp Info present
- *                   in cutoDu cont
+ *    Functionality: Function to extract info from CU to DU RRC container
+ *    extension
  *
  * @params[in] ProtocolExtensionContainer_4624P16_t pointer
  *
- * @return CellGroupConfigRrc_t *
+ * @return ROK
+ *         RFAILED
  *
  * ****************************************************************/
-
-CellGroupConfigRrc_t *extractCellGrpInfo(ProtocolExtensionContainer_4624P16_t *protocolIeExtn,\
-      DuUeCfg *ueCfgDb)
+uint8_t extractCuToDuRrcInfoExt(ProtocolExtensionContainer_4624P16_t *protocolIeExtn, DuUeCfg *ueCfgDb)
 {
    uint8_t idx2 =0;
    uint16_t id =0;
@@ -11261,37 +11300,45 @@ CellGroupConfigRrc_t *extractCellGrpInfo(ProtocolExtensionContainer_4624P16_t *p
       for(idx2 = 0; idx2 < protocolIeExtn->list.count; idx2++)
       {
          extIeInfo = ((CUtoDURRCInformation_ExtIEs_t *)(protocolIeExtn->list.array[idx2]));
-        id = extIeInfo->id;
+         id = extIeInfo->id;
          switch(id)
          {
             case ProtocolIE_ID_id_CellGroupConfig:
-            {
-              recvBufLen = extIeInfo->extensionValue.choice.CellGroupConfig.size;
-              /* decoding the CellGroup Buf received */
-              DU_ALLOC(cellGrpCfg, sizeof(CellGroupConfigRrc_t));
-              if(cellGrpCfg)
-              {
-                  memset(cellGrpCfg, 0, sizeof(CellGroupConfigRrc_t));
-                  rval = aper_decode(0, &asn_DEF_CellGroupConfigRrc, (void **)&cellGrpCfg,
-                    extIeInfo->extensionValue.choice.CellGroupConfig.buf, recvBufLen, 0, 0);
-                  if(rval.code == RC_FAIL || rval.code == RC_WMORE)
+               {
+                  recvBufLen = extIeInfo->extensionValue.choice.CellGroupConfig.size;
+                  /* decoding the CellGroup Buf received */
+                  DU_ALLOC(cellGrpCfg, sizeof(CellGroupConfigRrc_t));
+                  if(cellGrpCfg)
                   {
-                     DU_LOG("\nERROR  -->  F1AP : ASN decode failed at decodeCellGrpCfg()");
-                     return NULLP;
+                     memset(cellGrpCfg, 0, sizeof(CellGroupConfigRrc_t));
+                     rval = aper_decode(0, &asn_DEF_CellGroupConfigRrc, (void **)&cellGrpCfg,
+                           extIeInfo->extensionValue.choice.CellGroupConfig.buf, recvBufLen, 0, 0);
+                     if(rval.code == RC_FAIL || rval.code == RC_WMORE)
+                     {
+                        DU_LOG("\nERROR  -->  F1AP : ASN decode failed at decodeCellGrpCfg()");
+                        return RFAILED;
+                     }
+                     xer_fprint(stdout, &asn_DEF_CellGroupConfigRrc, cellGrpCfg);
+                     if(extractRlcCfgToAddMod(cellGrpCfg->rlc_BearerToAddModList, ueCfgDb))
+                        return NULLP;
+                     ueCfgDb->cellGrpCfg = cellGrpCfg;
                   }
-                  xer_fprint(stdout, &asn_DEF_CellGroupConfigRrc, cellGrpCfg);
-                 if(extractRlcCfgToAddMod(cellGrpCfg->rlc_BearerToAddModList, ueCfgDb))
-                    return NULLP;
-              }
-              break;
-            }
+                  break;
+               }
+
+            case ProtocolIE_ID_id_HandoverPreparationInformation:
+               {
+                  DU_LOG("\nHLAL Received HANDOVER PREPARATION INFO in UE CONTEXT SETUP REQUEST");
+                  return RFAILED;
+               }
+
             default:
                DU_LOG("\nERROR  -->  F1AP : Invalid IE received CUtoDURRCInformation:%d at decodeCellGrpCfg()", id);
-              break;
+               break;
          }
       }
    }
-   return cellGrpCfg;
+   return ROK;
 }
 
 /*******************************************************************
@@ -11356,30 +11403,30 @@ uint8_t extractSrbListToSetup(SRBs_ToBeSetup_List_t *srbCfg, DuUeCfg *ueCfgDb)
       {
          srbItem = &srbCfg->list.array[srbIdx]->value.choice.SRBs_ToBeSetup_Item;
          if(ueCfgDb->numMacLcs > MAX_NUM_LC)
-        { 
+         
             DU_LOG("\nERROR   -->  F1AP:  MAX LC Reached in MAC");
-           ret = RFAILED;
-           break;
-        }
+            ret = RFAILED;
+            break;
+         }
          if(ueCfgDb->numRlcLcs > MAX_NUM_LC)
-        {
+         {
             DU_LOG("\nERROR   -->  F1AP:  MAX LC Reached in RLC");
-           ret = RFAILED;
-           break;
-        }
-        memset(&ueCfgDb->macLcCfg[ueCfgDb->numMacLcs], 0, sizeof(LcCfg));
-        memset(&ueCfgDb->rlcLcCfg[ueCfgDb->numRlcLcs], 0, sizeof(RlcBearerCfg));
+            ret = RFAILED;
+            break;
+         }
+         memset(&ueCfgDb->macLcCfg[ueCfgDb->numMacLcs], 0, sizeof(LcCfg));
+         memset(&ueCfgDb->rlcLcCfg[ueCfgDb->numRlcLcs], 0, sizeof(RlcBearerCfg));
          ret = procSrbListToSetup(srbItem, &ueCfgDb->macLcCfg[ueCfgDb->numMacLcs],\
-           &ueCfgDb->rlcLcCfg[ueCfgDb->numRlcLcs]);
-        ueCfgDb->numRlcLcs++;
-        ueCfgDb->numMacLcs++;
-         DU_LOG("\nDEBUG --> DUAPP: extractSrbListToSetup: SRBID: %d [RLC,MAC,NumDrb]:[%x,%x,%x]",\
-                            srbItem->sRBID, ueCfgDb->numRlcLcs, ueCfgDb->numMacLcs,  ueCfgDb->numDrb);
-        if(ret == RFAILED)
-        {
+               &ueCfgDb->rlcLcCfg[ueCfgDb->numRlcLcs]);
+         ueCfgDb->numRlcLcs++;
+         ueCfgDb->numMacLcs++;
+         DU_LOG("\nDEBUG --> DUAPP: extractSrbListToSetup: SRBID: %ld [RLC,MAC,NumDrb]:[%x,%x,%x]",\
+               srbItem->sRBID, ueCfgDb->numRlcLcs, ueCfgDb->numMacLcs,  ueCfgDb->numDrb);
+         if(ret == RFAILED)
+         {
             DU_LOG("\nERROR  -->  F1AP:  Failed at extractSrbListToSetup()");
-           break;
-        }
+            break;
+         }
       }
    }
    else
@@ -11799,7 +11846,7 @@ void freeAperDecodeF1UeContextSetupReq(UEContextSetupRequest_t   *ueSetReq)
  * ****************************************************************/
 uint8_t procF1UeContextSetupReq(F1AP_PDU_t *f1apMsg)
 {
-   uint8_t  ret=0, ieIdx=0, ueIdx=0, cellIdx=0;
+   uint8_t  ret=0, ieIdx=0, ueIdx=0, cellIdx=0, servCellIdx = 0;
    bool ueCbFound = false;
    uint32_t gnbCuUeF1apId=0, gnbDuUeF1apId=0, bitRateSize=0;
    DuUeCb   *duUeCb = NULL;
@@ -11825,31 +11872,36 @@ uint8_t procF1UeContextSetupReq(F1AP_PDU_t *f1apMsg)
             }
          case ProtocolIE_ID_id_ServCellIndex:
             {
-               cellIdx = ueSetReq->protocolIEs.list.array[ieIdx]->value.choice.ServCellIndex;
-               for(ueIdx = 0; ueIdx < MAX_NUM_UE; ueIdx++)
+               servCellIdx = ueSetReq->protocolIEs.list.array[ieIdx]->value.choice.ServCellIndex;
+               for(cellIdx = 0; cellIdx < MAX_NUM_CELL; cellIdx++)
                {
-                  if((duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbDuUeF1apId == gnbDuUeF1apId)&&\
-                        (duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbCuUeF1apId == gnbCuUeF1apId))
+                  for(ueIdx = 0; ueIdx < MAX_NUM_UE; ueIdx++)
                   {
-                     ueCbFound = true;
-                     duUeCb = &duCb.actvCellLst[cellIdx]->ueCb[ueIdx];
-                     DU_ALLOC(duUeCb->f1UeDb, sizeof(F1UeContextSetupDb));
-                     if(duUeCb->f1UeDb)
+                     if(duCb.actvCellLst[cellIdx] && (duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbDuUeF1apId == gnbDuUeF1apId)&&\
+                           (duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbCuUeF1apId == gnbCuUeF1apId))
                      {
-                        memset(duUeCb->f1UeDb, 0, sizeof(F1UeContextSetupDb));
-                        duUeCb->f1UeDb->actionType = UE_CTXT_SETUP;
-                        duUeCb->f1UeDb->cellIdx = cellIdx;
+                        ueCbFound = true;
+                        duUeCb = &duCb.actvCellLst[cellIdx]->ueCb[ueIdx];
+                        DU_ALLOC(duUeCb->f1UeDb, sizeof(F1UeContextSetupDb));
+                        if(duUeCb->f1UeDb)
+                        {
+                           memset(duUeCb->f1UeDb, 0, sizeof(F1UeContextSetupDb));
+                           duUeCb->f1UeDb->actionType = UE_CTXT_SETUP;
+                           duUeCb->f1UeDb->cellIdx = cellIdx;
+                        }
+                        else
+                        {
+                           DU_LOG("\nERROR  -->  F1AP: Memory Alloc Failed at procF1UeContextSetupReq()");
+                           ret = RFAILED;
+                        }
+                        break;
                      }
                      else
-                     {
-                        DU_LOG("\nERROR  -->  F1AP: Memory Alloc Failed at procF1UeContextSetupReq()");
-                        ret = RFAILED;
-                     }
-                     break;
-                  }
-                  else
-                     ueCbFound = false;
+                        ueCbFound = false;
 
+                  }
+                  if(ueCbFound)
+                     break;
                }
                if(!ueCbFound)
                {
@@ -11870,13 +11922,13 @@ uint8_t procF1UeContextSetupReq(F1AP_PDU_t *f1apMsg)
                   extractUeCapability(ueSetReq->protocolIEs.list.array[ieIdx]->value.choice.CUtoDURRCInformation.\
                   uE_CapabilityRAT_ContainerList, duUeCb);
                }
+
                if(ueSetReq->protocolIEs.list.array[ieIdx]->value.choice.CUtoDURRCInformation.iE_Extensions)
                {
-                  duUeCb->f1UeDb->duUeCfg.cellGrpCfg = extractCellGrpInfo(ueSetReq->protocolIEs.list.array[ieIdx]->\
-                        value.choice.CUtoDURRCInformation.iE_Extensions, &duUeCb->f1UeDb->duUeCfg);
-                  if(!duUeCb->f1UeDb->duUeCfg.cellGrpCfg)
+                  if(extractCuToDuRrcInfoExt(ueSetReq->protocolIEs.list.array[ieIdx]->\
+                        value.choice.CUtoDURRCInformation.iE_Extensions, &duUeCb->f1UeDb->duUeCfg) != ROK)
                   {
-                     DU_LOG("\nERROR  -->  F1AP: Failed to extract cell Grp Info");
+                     DU_LOG("\nERROR  -->  F1AP: Failed to extract CU to DU RRC information extension IE");
                      //TODO: Update the failure cause in ue context Setup Response
                      ret = RFAILED;
                   }
@@ -12355,54 +12407,54 @@ uint8_t BuildAndSendUeContextSetupRsp(uint8_t cellId,uint8_t ueId)
       DU_ALLOC(f1apMsg, sizeof(F1AP_PDU_t));
       if(f1apMsg == NULLP)
       {
-        DU_LOG(" ERROR  -->  F1AP : Memory allocation for F1AP-PDU failed");
-        ret = RFAILED;
-        break;
+         DU_LOG(" ERROR  -->  F1AP : Memory allocation for F1AP-PDU failed");
+         ret = RFAILED;
+         break;
       }
 
       f1apMsg->present = F1AP_PDU_PR_successfulOutcome;
       DU_ALLOC(f1apMsg->choice.successfulOutcome,
-           sizeof(SuccessfulOutcome_t));
+            sizeof(SuccessfulOutcome_t));
       if(f1apMsg->choice.successfulOutcome == NULLP)
       {
-        DU_LOG(" ERROR  -->  F1AP : Memory allocation for      F1AP-PDU failed");
-        ret = RFAILED;
-        break;
+         DU_LOG(" ERROR  -->  F1AP : Memory allocation for     F1AP-PDU failed");
+         ret = RFAILED;
+         break;
       }
 
       f1apMsg->choice.successfulOutcome->procedureCode = \
-                                                        ProcedureCode_id_UEContextSetup;
+                                                         ProcedureCode_id_UEContextSetup;
       f1apMsg->choice.successfulOutcome->criticality = Criticality_reject;
       f1apMsg->choice.successfulOutcome->value.present = \
-                                                        SuccessfulOutcome__value_PR_UEContextSetupResponse;
+                                                         SuccessfulOutcome__value_PR_UEContextSetupResponse;
 
       ueSetRsp =
-        &f1apMsg->choice.successfulOutcome->value.choice.UEContextSetupResponse;
+         &f1apMsg->choice.successfulOutcome->value.choice.UEContextSetupResponse;
       elementCnt = 4;
       ueSetRsp->protocolIEs.list.count = elementCnt;
       ueSetRsp->protocolIEs.list.size = \
-                                       elementCnt * sizeof(UEContextSetupResponse_t *);
+                                        elementCnt * sizeof(UEContextSetupResponse_t *);
 
       /* Initialize the UESetup members */
       DU_ALLOC(ueSetRsp->protocolIEs.list.array, \
-           ueSetRsp->protocolIEs.list.size);
+            ueSetRsp->protocolIEs.list.size);
       if(ueSetRsp->protocolIEs.list.array == NULLP)
       {
-        DU_LOG(" ERROR  -->  F1AP : Memory allocation for UE Setup Response failed");
-        ret = RFAILED;
-        break;
+         DU_LOG(" ERROR  -->  F1AP : Memory allocation for UE Setup Response failed");
+         ret = RFAILED;
+         break;
       }
 
       for(idx=0; idx<elementCnt; idx++)
       {
-        DU_ALLOC(ueSetRsp->protocolIEs.list.array[idx],\
-              sizeof(UEContextSetupResponseIEs_t));
-        if(ueSetRsp->protocolIEs.list.array[idx] == NULLP)
-        {
-           DU_LOG(" ERROR  -->  F1AP : Memory allocation for UE Setup Response failed");
-           ret = RFAILED;
-           break;
-        }
+         DU_ALLOC(ueSetRsp->protocolIEs.list.array[idx],\
+               sizeof(UEContextSetupResponseIEs_t));
+         if(ueSetRsp->protocolIEs.list.array[idx] == NULLP)
+         {
+            DU_LOG(" ERROR  -->  F1AP : Memory allocation for UE Setup Response failed");
+            ret = RFAILED;
+            break;
+         }
       }
       /* Fetching Ue Cb Info*/
       GET_CELL_IDX(cellId, cellIdx);
@@ -12413,61 +12465,40 @@ uint8_t BuildAndSendUeContextSetupRsp(uint8_t cellId,uint8_t ueId)
       idx = 0;
       /*GNB CU UE F1AP ID*/
       ueSetRsp->protocolIEs.list.array[idx]->id        = \
-                                                 ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID;
+                                                  ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID;
       ueSetRsp->protocolIEs.list.array[idx]->criticality = Criticality_reject;
       ueSetRsp->protocolIEs.list.array[idx]->value.present = \
-                                                            UEContextSetupResponseIEs__value_PR_GNB_CU_UE_F1AP_ID;
+                                                             UEContextSetupResponseIEs__value_PR_GNB_CU_UE_F1AP_ID;
       ueSetRsp->protocolIEs.list.array[idx]->value.choice.GNB_CU_UE_F1AP_ID = gnbCuUeF1apId;
 
       /*GNB DU UE F1AP ID*/
       idx++;
       ueSetRsp->protocolIEs.list.array[idx]->id        = \
-                                                 ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID;
+                                                  ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID;
       ueSetRsp->protocolIEs.list.array[idx]->criticality = Criticality_reject;
       ueSetRsp->protocolIEs.list.array[idx]->value.present = \
-                                                            UEContextSetupResponseIEs__value_PR_GNB_DU_UE_F1AP_ID;
+                                                             UEContextSetupResponseIEs__value_PR_GNB_DU_UE_F1AP_ID;
       ueSetRsp->protocolIEs.list.array[idx]->value.choice.GNB_DU_UE_F1AP_ID = gnbDuUeF1apId;
 
 
       /*DUtoCURRC Information */
       idx++;
       ueSetRsp->protocolIEs.list.array[idx]->id  = \
-                                                  ProtocolIE_ID_id_DUtoCURRCInformation;
+                                                   ProtocolIE_ID_id_DUtoCURRCInformation;
       ueSetRsp->protocolIEs.list.array[idx]->criticality = Criticality_reject;
       ueSetRsp->protocolIEs.list.array[idx]->value.present =\
-                                                           UEContextSetupResponseIEs__value_PR_DUtoCURRCInformation;
-      if(ueCb->f1UeDb)
-      {
-         if(ueCb->f1UeDb->duUeCfg.cellGrpCfg)
-        {
-           cellGrpCfg = (CellGroupConfigRrc_t*)ueCb->f1UeDb->duUeCfg.cellGrpCfg;
-           ret = EncodeUeCntxtDuToCuInfo(&ueSetRsp->protocolIEs.list.array[idx]->value.\
-                    choice.DUtoCURRCInformation.cellGroupConfig, cellGrpCfg);
-            if(ret == RFAILED)
-           {
-               DU_LOG("\nERROR  -->  F1AP : Failed to EncodeUeCntxtDuToCuInfo in BuildAndSendUeContextSetupRsp()");
-               freeF1UeDb(ueCb->f1UeDb);
-               ueCb->f1UeDb = NULLP;
-               break;
-           }
-         }
-      }
-      else
-      {
-         DU_LOG("\nERROR  -->  F1AP : Failed to form DUtoCU RRCInfo at BuildAndSendUeContextSetupRsp()");
-         ret = RFAILED;
-         break;
-      }
+                                                            UEContextSetupResponseIEs__value_PR_DUtoCURRCInformation;
+      BuildCellGroupConfigRrc(ueCb, &ueSetRsp->protocolIEs.list.array[idx]->value.choice.DUtoCURRCInformation.cellGroupConfig);
 
       /* Drb Setup List */
       idx++;
       ueSetRsp->protocolIEs.list.array[idx]->id  = \
-                                ProtocolIE_ID_id_DRBs_Setup_List;
+                                                   ProtocolIE_ID_id_DRBs_Setup_List;
       ueSetRsp->protocolIEs.list.array[idx]->criticality = Criticality_reject;
       ueSetRsp->protocolIEs.list.array[idx]->value.present =\
-                                UEContextSetupResponseIEs__value_PR_DRBs_Setup_List;
+                                                            UEContextSetupResponseIEs__value_PR_DRBs_Setup_List;
       ret = fillDrbSetupList(&ueSetRsp->protocolIEs.list.array[idx]->value.choice.DRBs_Setup_List,\
-               &ueCb->f1UeDb->duUeCfg);
+            &ueCb->f1UeDb->duUeCfg);
       if(ret == RFAILED)
       {
          DU_LOG("\nERROR  -->  F1AP : Failed to fillDrbSetupList in BuildAndSendUeContextSetupRsp()");
@@ -12476,9 +12507,9 @@ uint8_t BuildAndSendUeContextSetupRsp(uint8_t cellId,uint8_t ueId)
          break;
       }
 
-       /* Free UeContext Db created during Ue context Req */
-       freeF1UeDb(ueCb->f1UeDb);
-       ueCb->f1UeDb = NULLP;
+      /* Free UeContext Db created during Ue context Req */
+      freeF1UeDb(ueCb->f1UeDb);
+      ueCb->f1UeDb = NULLP;
 
       /* TODO: To send Drb list */
       xer_fprint(stdout, &asn_DEF_F1AP_PDU, f1apMsg);
@@ -12487,30 +12518,30 @@ uint8_t BuildAndSendUeContextSetupRsp(uint8_t cellId,uint8_t ueId)
       memset((uint8_t *)encBuf, 0, ENC_BUF_MAX_LEN);
       encBufSize = 0;
       encRetVal = aper_encode(&asn_DEF_F1AP_PDU, 0, f1apMsg, PrepFinalEncBuf,\
-           encBuf);
+            encBuf);
       /* Encode results */
       if(encRetVal.encoded == ENCODE_FAIL)
       {
-        DU_LOG( "\nERROR  -->  F1AP : Could not encode UE Context Setup Response structure (at %s)\n",\
-              encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
-        ret = RFAILED;
-        break;
+         DU_LOG( "\nERROR  -->  F1AP : Could not encode UE Context Setup Response structure (at %s)\n",\
+               encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+         ret = RFAILED;
+         break;
       }
       else
       {
-        DU_LOG("\nDEBUG   -->  F1AP : Created APER encoded buffer for UE Context Setup Response\n");
-        for(int i=0; i< encBufSize; i++)
-        {
-           printf("%x",encBuf[i]);
-        }
+         DU_LOG("\nDEBUG   -->  F1AP : Created APER encoded buffer for UE Context Setup Response\n");
+         for(int i=0; i< encBufSize; i++)
+         {
+            printf("%x",encBuf[i]);
+         }
       }
 
       /* Sending  msg  */
       if(sendF1APMsg() != ROK)
       {
-        DU_LOG("\nERROR  -->  F1AP : Sending UE Context Setup Response failed");
-        ret = RFAILED;
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Sending UE Context Setup Response failed");
+         ret = RFAILED;
+         break;
       }
       break;
    }
@@ -14009,6 +14040,8 @@ uint8_t BuildAndSendUeContextModRsp(DuUeCb *ueCb)
          elementCnt = 3;
       if(ueCb->f1UeDb->actionType == UE_CTXT_CFG_QUERY)
          elementCnt = 5;
+      if(ueCb->f1UeDb->actionType = UE_CTXT_RRC_RECFG_COMPLETE)
+         elementCnt = 2;
       ueContextModifyRes->protocolIEs.list.count = elementCnt;
       ueContextModifyRes->protocolIEs.list.size = elementCnt*sizeof(UEContextModificationResponse_t*);
 
@@ -14054,27 +14087,30 @@ uint8_t BuildAndSendUeContextModRsp(DuUeCb *ueCb)
          BuildCellGroupConfigRrc(ueCb, &ueContextModifyRes->protocolIEs.list.array[ieIdx]->value.choice.DUtoCURRCInformation.cellGroupConfig);
       }
 
-      ieIdx++;
-      ueContextModifyRes->protocolIEs.list.array[ieIdx]->id = ProtocolIE_ID_id_DRBs_SetupMod_List;
-      ueContextModifyRes->protocolIEs.list.array[ieIdx]->criticality = Criticality_reject;
-      ueContextModifyRes->protocolIEs.list.array[ieIdx]->value.present =\
-                                                                        UEContextModificationResponseIEs__value_PR_DRBs_SetupMod_List;
-      if(ueCb->f1UeDb->actionType == UE_CTXT_CFG_QUERY)
+      if((ueCb->f1UeDb->actionType == UE_CTXT_CFG_QUERY) || (ueCb->f1UeDb->actionType == UE_CTXT_MOD))
       {
-         for(tnlIdx = 0; tnlIdx < duCb.numTeId; tnlIdx++)
+         ieIdx++;
+         ueContextModifyRes->protocolIEs.list.array[ieIdx]->id = ProtocolIE_ID_id_DRBs_SetupMod_List;
+         ueContextModifyRes->protocolIEs.list.array[ieIdx]->criticality = Criticality_reject;
+         ueContextModifyRes->protocolIEs.list.array[ieIdx]->value.present =\
+                                                                           UEContextModificationResponseIEs__value_PR_DRBs_SetupMod_List;
+         if(ueCb->f1UeDb->actionType == UE_CTXT_CFG_QUERY)
          {
-            if(duCb.upTnlCfg[tnlIdx]->ueId == ueCb->gnbDuUeF1apId)
+            for(tnlIdx = 0; tnlIdx < duCb.numTeId; tnlIdx++)
             {
-               memcpy(&ueCb->f1UeDb->duUeCfg.upTnlInfo[ueCb->f1UeDb->duUeCfg.numDrbSetupMod++], duCb.upTnlCfg[tnlIdx], sizeof(UpTnlCfg));
+               if(duCb.upTnlCfg[tnlIdx]->ueId == ueCb->gnbDuUeF1apId)
+               {
+                  memcpy(&ueCb->f1UeDb->duUeCfg.upTnlInfo[ueCb->f1UeDb->duUeCfg.numDrbSetupMod++], duCb.upTnlCfg[tnlIdx], sizeof(UpTnlCfg));
+               }
             }
          }
-      }
-      ret = BuildDrbSetupModList(&(ueContextModifyRes->protocolIEs.list.array[ieIdx]->\
-               value.choice.DRBs_SetupMod_List) , &ueCb->f1UeDb->duUeCfg);
-      if(ret != ROK)
-      {
-         DU_LOG( "\nERROR  -->  F1AP : Failed to build DRB setupmod List ");
-         break;
+         ret = BuildDrbSetupModList(&(ueContextModifyRes->protocolIEs.list.array[ieIdx]->\
+                  value.choice.DRBs_SetupMod_List) , &ueCb->f1UeDb->duUeCfg);
+         if(ret != ROK)
+         {
+            DU_LOG( "\nERROR  -->  F1AP : Failed to build DRB setupmod List ");
+            break;
+         }
       }
 
       if(ueCb->f1UeDb->actionType == UE_CTXT_CFG_QUERY)
@@ -14425,19 +14461,23 @@ uint8_t procF1UeContextModificationReq(F1AP_PDU_t *f1apMsg)
          case ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID:
             {
                gnbDuUeF1apId = ueContextModifyReq->protocolIEs.list.array[ieIdx]->value.choice.GNB_DU_UE_F1AP_ID;
-               for(cellIdx = 0; cellIdx < duCb.numActvCells; cellIdx++)
+               for(cellIdx = 0; cellIdx < MAX_NUM_CELL; cellIdx++)
                {
-                  for(ueIdx = 0; ueIdx < duCb.actvCellLst[cellIdx]->numActvUes; ueIdx++)
+                  if(duCb.actvCellLst[cellIdx])
                   {
-                     if((duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbDuUeF1apId == gnbDuUeF1apId)&&\
-                           (duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbCuUeF1apId == gnbCuUeF1apId))
+                     for(ueIdx = 0; ueIdx < duCb.actvCellLst[cellIdx]->numActvUes; ueIdx++)
                      {
-                        duUeCb = &duCb.actvCellLst[cellIdx]->ueCb[ueIdx];
-                        if(duUeCb->f1UeDb == NULLP)
+                        if((duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbDuUeF1apId == gnbDuUeF1apId)&&\
+                              (duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbCuUeF1apId == gnbCuUeF1apId))
                         {
-                           DU_ALLOC(duUeCb->f1UeDb, sizeof(F1UeContextSetupDb));
+                           duUeCb = &duCb.actvCellLst[cellIdx]->ueCb[ueIdx];
+                           if(duUeCb->f1UeDb == NULLP)
+                           {
+                              DU_ALLOC(duUeCb->f1UeDb, sizeof(F1UeContextSetupDb));
+                              duUeCb->f1UeDb->cellIdx = cellIdx;
+                           }
+                           break;
                         }
-                        break;
                      }
                   }
                }
@@ -14484,6 +14524,7 @@ uint8_t procF1UeContextModificationReq(F1AP_PDU_t *f1apMsg)
                }
                break;
             }
+
          case ProtocolIE_ID_id_GNB_DUConfigurationQuery:
             {
                DU_LOG("\nINFO  -->  DU APP : Received GNB DU Configuration Query in UE Context Modification Request from CU");
@@ -14493,10 +14534,20 @@ uint8_t procF1UeContextModificationReq(F1AP_PDU_t *f1apMsg)
                }
                break;
             }
+
+         case ProtocolIE_ID_id_RRCReconfigurationCompleteIndicator:
+            {
+               if(ueContextModifyReq->protocolIEs.list.array[ieIdx]->value.choice.RRCReconfigurationCompleteIndicator == \
+                  RRCReconfigurationCompleteIndicator_true)
+               {
+                  duUeCb->f1UeDb->actionType = UE_CTXT_RRC_RECFG_COMPLETE;
+               }
+               break;
+            }
       }
    }
 
-   if(ret != RFAILED)
+   if(ret != RFAILED) 
    {
       ret = duProcUeContextModReq(duUeCb);
    }
@@ -14853,7 +14904,7 @@ uint8_t BuildAndSendUeContextReleaseComplete(uint16_t cellId, uint32_t gnbCuUeF1
       break;
    }while(true);
    
-   if(ret == ROK && (duCb.actvCellLst[cellId-1]->numActvUes == 0))
+   if(ret == ROK && duCb.actvCellLst[cellId-1] && (duCb.actvCellLst[cellId-1]->numActvUes == 0))
    {
       duCb.actvCellLst[cellId-1]->cellStatus = DELETION_IN_PROGRESS;
       ret = duSendCellDeletReq(cellId);
@@ -14939,8 +14990,8 @@ void freeAperDecodeUeContextReleaseCommand(F1AP_PDU_t *f1apMsg)
 uint8_t procF1UeContextReleaseCommand(F1AP_PDU_t *f1apMsg)
 {
    uint8_t  ieIdx=0, ret=ROK, ueIdx=0;
-   uint16_t cellIdx =0;
-   bool ueIdxFound;
+   uint16_t cellIdx =0, cellId = 0;
+   bool ueIdxFound = false;
    uint32_t gnbCuUeF1apId=0, gnbDuUeF1apId=0;
    DuUeCb   *duUeCb = NULLP;
    UEContextReleaseCommand_t *ueContextReleaseCommand = NULLP;
@@ -14971,51 +15022,15 @@ uint8_t procF1UeContextReleaseCommand(F1AP_PDU_t *f1apMsg)
 
                case ProtocolIE_ID_id_Cause:
                   {
-                     break;
-                  }
-
-               case ProtocolIE_ID_id_RRCContainer:
-                  {
-                     for(cellIdx = 0; cellIdx < duCb.numActvCells; cellIdx++)
+                     for(cellIdx = 0; cellIdx < MAX_NUM_CELL; cellIdx++)
                      {
                         for(ueIdx = 0; ueIdx < MAX_NUM_UE; ueIdx++)
                         {
-                           if((duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbDuUeF1apId == gnbDuUeF1apId)&&\
+                           if(duCb.actvCellLst[cellIdx] && (duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbDuUeF1apId == gnbDuUeF1apId)&&\
                                  (duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbCuUeF1apId == gnbCuUeF1apId))
                            {
+                              cellId = duCb.actvCellLst[cellIdx]->cellId;
                               duUeCb = &duCb.actvCellLst[cellIdx]->ueCb[ueIdx];
-                              DU_ALLOC(duUeCb->f1UeDb, sizeof(F1UeContextSetupDb));
-                              if(duUeCb->f1UeDb)
-                              {
-                                 memset(duUeCb->f1UeDb, 0, sizeof(F1UeContextSetupDb));
-                                 duUeCb->f1UeDb->actionType = UE_CTXT_RELEASE;
-                                 duUeCb->f1UeDb->cellIdx = cellIdx;
-                                 /* Filling Dl RRC Msg Info */
-                                 DU_ALLOC_SHRABL_BUF(duUeCb->f1UeDb->dlRrcMsg, sizeof(F1DlRrcMsg));
-                                 if(!duUeCb->f1UeDb->dlRrcMsg)
-                                 {
-                                    DU_LOG("\nERROR  -->  DU APP : procF1UeContextReleaseCommand(): \
-                                    Memory allocation failed ");
-                                    ret = RFAILED;
-                                 }
-                                 else
-                                 {
-                                    duUeCb->f1UeDb->dlRrcMsgPres = true;
-                                    memset(duUeCb->f1UeDb->dlRrcMsg, 0, sizeof(F1DlRrcMsg));
-                                    ret = extractDlRrcMsg(gnbDuUeF1apId, gnbCuUeF1apId, duUeCb->f1UeDb->dlRrcMsg,\
-                                          &ueContextReleaseCommand->protocolIEs.list.array[ieIdx]->\
-                                          value.choice.RRCContainer);
-                                 }
-
-                              }
-                              else
-                              {
-                                 DU_LOG("\nERROR  -->  DU APP : procF1UeContextReleaseCommand(): \
-                                 Memory allocation failed ");
-                                 ret = RFAILED;
-
-                              }
-
                               ueIdxFound = true;
                               break;
                            }
@@ -15025,13 +15040,51 @@ uint8_t procF1UeContextReleaseCommand(F1AP_PDU_t *f1apMsg)
                            break;
                         }
                      }
+                     
                      if(!ueIdxFound)
                      {
-                        DU_LOG("\nERROR  -->  F1AP: DuUeCb is not found at procF1UeContextReleaseCommand()");
+                        DU_LOG("\nERROR  -->  F1AP: procF1UeContextReleaseCommand(): Ue Information is not available");
                         ret = RFAILED;
                      }
+                     break;
+                  }
 
+               case ProtocolIE_ID_id_RRCContainer:
+                  {
+                     if(ueIdxFound == true)  
+                     {
+                        DU_ALLOC(duUeCb->f1UeDb, sizeof(F1UeContextSetupDb));
+                        if(duUeCb->f1UeDb)
+                        {
+                           memset(duUeCb->f1UeDb, 0, sizeof(F1UeContextSetupDb));
+                           duUeCb->f1UeDb->actionType = UE_CTXT_RELEASE;
+                           duUeCb->f1UeDb->cellIdx = cellIdx;
+                           /* Filling Dl RRC Msg Info */
+                           DU_ALLOC_SHRABL_BUF(duUeCb->f1UeDb->dlRrcMsg, sizeof(F1DlRrcMsg));
+                           if(!duUeCb->f1UeDb->dlRrcMsg)
+                           {
+                              DU_LOG("\nERROR  -->  DU APP : procF1UeContextReleaseCommand(): \
+                                    Memory allocation failed ");
+                              ret = RFAILED;
+                           }
+                           else
+                           {
+                              duUeCb->f1UeDb->dlRrcMsgPres = true;
+                              memset(duUeCb->f1UeDb->dlRrcMsg, 0, sizeof(F1DlRrcMsg));
+                              ret = extractDlRrcMsg(gnbDuUeF1apId, gnbCuUeF1apId, duUeCb->f1UeDb->dlRrcMsg,\
+                                    &ueContextReleaseCommand->protocolIEs.list.array[ieIdx]->\
+                                    value.choice.RRCContainer);
+                           }
+
+                        }
+                        else
+                        {
+                           DU_LOG("\nERROR  -->  DU APP : procF1UeContextReleaseCommand(): \
+                                 Memory allocation failed ");
+                           ret = RFAILED;
 
+                        }
+                     }
                      break;
                   }
                default :
@@ -15044,7 +15097,7 @@ uint8_t procF1UeContextReleaseCommand(F1AP_PDU_t *f1apMsg)
    }
    if(ret != RFAILED)
    {
-      duProcUeContextReleaseCommand(duUeCb);
+      duProcUeContextReleaseCommand(cellId, duUeCb);
    }
    freeAperDecodeUeContextReleaseCommand(f1apMsg);
    return ret;