[Epic-ID: ODUHIGH-405][Task-ID: ODUHIGH-414] F1 Setup from multiple DU to one CU
[o-du/l2.git] / src / cu_stub / cu_f1ap_msg_hdl.c
index 009f0a1..8a8824a 100644 (file)
 /* This file contains F1AP message handler functions */
 #include "common_def.h"
 #include "OCTET_STRING.h"
-#include "BIT_STRING.h"
-#include "odu_common_codec.h"
 #include "cu_stub_sctp.h"
+#include "cu_stub_egtp.h"
 #include "cu_f1ap_msg_hdl.h"
-#include "legtp.h"
-/*header files needed for Ue Context Setup */
-#include<ProtocolIE-Field.h>
+#include "cu_stub.h"
+
+#include "BIT_STRING.h"
+#include "odu_common_codec.h"
+#include "ProtocolIE-Field.h"
 #include "ProtocolExtensionField.h"
 #include "ProtocolIE-SingleContainer.h"
 #include "F1AP-PDU.h"
 #include "SRS-ResourceSet.h"
 #include "SRS-Config.h"
 #include "PUCCH-Config.h"
+#include "PUCCH-ResourceSet.h"
+#include "PUCCH-Resource.h"
+#include "PUCCH-format1.h"
+#include "PUCCH-FormatConfig.h"
 #include "BWP-UplinkDedicated.h"
 #include "PUSCH-ServingCellConfig.h"
 #include "UplinkConfig.h"
 #include "UPTransportLayerInformation.h"
 #include "GTPTunnel.h"
 #include "QoSInformation.h"
+#include "Cells-to-be-Activated-List.h"
+#include "DL-CCCH-Message.h"
+#include "SRB-ToAddModList.h"
+#include "SRB-ToAddMod.h"
+#include "RRCSetup-IEs.h"
+#include "RRCSetup.h"
+#include "DL-DCCH-Message.h"
+#include "RRCReconfiguration-IEs.h"
+#include "RRCReconfiguration.h"
+#include "DRB-ToAddModList.h"
+#include "DRB-ToAddMod.h"
+#include "SDAP-Config.h"
 
 /* MACRO for CUtoDURRCInformation */
 #define CELL_GRP_ID 1
  *         RFAILED - failure
  *
  * ****************************************************************/
-S16 SendF1APMsg(Region region, Pool pool)
+S16 SendF1APMsg(Region region, Pool pool, uint32_t duId)
 {
    Buffer *mBuf = NULLP;
 
@@ -212,7 +229,7 @@ S16 SendF1APMsg(Region region, Pool pool)
       {
          ODU_PRINT_MSG(mBuf, 0,0);
 
-         if(sctpSend(mBuf) != ROK)
+         if(sctpSend(duId, mBuf) != ROK)
          {
             DU_LOG("\nERROR  -->  F1AP : SCTP Send failed");
             ODU_PUT_MSG_BUF(mBuf);
@@ -279,7 +296,7 @@ S16 BuildNrCellId(BIT_STRING_t *nrcell)
  *         RFAILED - failure
  *
  * ****************************************************************/
-S16 BuildAndSendF1SetupRsp()
+uint8_t BuildAndSendF1SetupRsp(uint32_t duId, BIT_STRING_t *nrcellId)
 {
    uint8_t    idx,ieIdx;
    uint8_t    elementCnt,cellCnt;
@@ -359,7 +376,7 @@ S16 BuildAndSendF1SetupRsp()
    f1SetupRsp->protocolIEs.list.array[idx]->value.present = \
                                                             F1SetupResponseIEs__value_PR_GNB_CU_Name;
    cuName = &f1SetupRsp->protocolIEs.list.array[idx]->value.choice.GNB_CU_Name;
-   cuName->size = sizeof(cuCfgParams.cuName);
+   cuName->size = sizeof(cuCb.cuCfgParams.cuName);
 
    CU_ALLOC(cuName->buf, sizeof(cuName->size)); 
    if(cuName->buf == NULLP)
@@ -376,7 +393,7 @@ S16 BuildAndSendF1SetupRsp()
       CU_FREE(f1apMsg, sizeof(F1AP_PDU_t));
       return RFAILED;
    }
-   strcpy((char*)cuName->buf, (char*)cuCfgParams.cuName);
+   strcpy((char*)cuName->buf, (char*)cuCb.cuCfgParams.cuName);
 
    /*Cells to be activated list*/
    idx++;
@@ -463,7 +480,7 @@ S16 BuildAndSendF1SetupRsp()
       CU_FREE(f1apMsg, sizeof(F1AP_PDU_t));
       return RFAILED;
    }
-   buildPlmnId(cuCfgParams.plmn , cellToActivate->list.array[0]->value.choice.\
+   buildPlmnId(cuCb.cuCfgParams.plmn , cellToActivate->list.array[0]->value.choice.\
          Cells_to_be_Activated_List_Item.nRCGI.pLMN_Identity.buf);
    cellToActivate->list.array[0]->value.choice.Cells_to_be_Activated_List_Item.\
       nRCGI.nRCellIdentity.size = 5;
@@ -497,7 +514,7 @@ S16 BuildAndSendF1SetupRsp()
       CU_FREE(f1apMsg, sizeof(F1AP_PDU_t));
       return RFAILED;
    }
-   BuildNrCellId(&(cellToActivate->list.array[0]->value.choice.Cells_to_be_Activated_List_Item.nRCGI.nRCellIdentity));
+   memcpy(&cellToActivate->list.array[0]->value.choice.Cells_to_be_Activated_List_Item.nRCGI.nRCellIdentity, nrcellId, sizeof(BIT_STRING_t)); 
    /* RRC Version */
    idx++;
    f1SetupRsp->protocolIEs.list.array[idx]->id = \
@@ -525,7 +542,7 @@ S16 BuildAndSendF1SetupRsp()
    }
 
    /* Need to check RRC Version */
-   rrcVer->latest_RRC_Version.buf[0] = cuCfgParams.rrcVersion.rrcVer; 
+   rrcVer->latest_RRC_Version.buf[0] = cuCb.cuCfgParams.rrcVersion.rrcVer; 
    rrcVer->latest_RRC_Version.bits_unused = 5; //TODO: pick from cuCfgParam. If not present, add it
    CU_ALLOC(rrcVer->iE_Extensions,sizeof(ProtocolExtensionContainer_4624P81_t));
    if(rrcVer->iE_Extensions == NULLP)
@@ -659,7 +676,7 @@ S16 BuildAndSendF1SetupRsp()
    }
 
    /* Sending msg */
-   if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL) != ROK)
+   if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL, duId) != ROK)
    {
       DU_LOG("\nERROR  -->  F1AP : Sending F1 Setup Response failed");      
       return RFAILED;
@@ -686,7 +703,7 @@ S16 BuildAndSendF1SetupRsp()
  *
  * ****************************************************************/
 
-S16 BuildAndSendDUUpdateAck()
+uint8_t BuildAndSendDUUpdateAck(uint32_t duId)
 {
    uint8_t   idx;
    uint8_t   elementCnt;
@@ -786,7 +803,8 @@ S16 BuildAndSendDUUpdateAck()
    }
 
    /* Sending msg */
-   if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL) != ROK)
+   /* TODO : Hardcoding DU ID to 1 for messages other than F1 Setup Response. This will be made generic in future gerrit */
+   if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL, duId) != ROK)
    {
       DU_LOG("\nERROR  -->  F1AP : Sending GNB-DU Config Update Ack failed");
       return RFAILED;
@@ -795,6 +813,7 @@ S16 BuildAndSendDUUpdateAck()
    return ROK;
 
 }/* End of BuildAndSendDUUpdateAck*/
+
 /*******************************************************************
 *
 * @brief deallocating the memory of  F1reset msg
@@ -865,15 +884,15 @@ uint8_t BuildAndSendF1ResetReq()
       CU_ALLOC(f1apMsg, sizeof(F1AP_PDU_t));
       if(f1apMsg == NULLP)
       {
-        DU_LOG("\nERROR  -->  F1AP : Memory allocation for the BuildAndSendF1ResetReq's F1AP-PDU failed"); 
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation for the BuildAndSendF1ResetReq's F1AP-PDU failed"); 
+         break;
       }
       f1apMsg->present = F1AP_PDU_PR_initiatingMessage;
       CU_ALLOC(f1apMsg->choice.initiatingMessage, sizeof(InitiatingMessage_t));
       if(f1apMsg->choice.initiatingMessage == NULLP)
       {
-        DU_LOG("\nERROR  -->  F1AP : Memory allocation for BuildAndSendF1ResetReq failed");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation for BuildAndSendF1ResetReq failed");
+         break;
       }
       f1apMsg->choice.initiatingMessage->procedureCode = ProcedureCode_id_Reset;
       f1apMsg->choice.initiatingMessage->criticality = Criticality_reject;
@@ -889,17 +908,17 @@ uint8_t BuildAndSendF1ResetReq()
       CU_ALLOC(f1ResetMsg->protocolIEs.list.array,f1ResetMsg->protocolIEs.list.size);
       if(f1ResetMsg->protocolIEs.list.array == NULLP)
       {
-        DU_LOG("\nERROR  -->  F1AP : Memory allocation failed for BuildAndSendF1ResetReq");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation failed for BuildAndSendF1ResetReq");
+         break;
       }
       for(idx=0; idx<elementCnt; idx++)
       {
-        CU_ALLOC(f1ResetMsg->protocolIEs.list.array[idx],sizeof(ResetIEs_t));
-        if(f1ResetMsg->protocolIEs.list.array[idx] == NULLP)
-        {
-           DU_LOG("\nERROR  -->  F1AP : Memory allocation failed for BuildAndSendF1ResetReq msg array");
-           break;
-        }
+         CU_ALLOC(f1ResetMsg->protocolIEs.list.array[idx],sizeof(ResetIEs_t));
+         if(f1ResetMsg->protocolIEs.list.array[idx] == NULLP)
+         {
+            DU_LOG("\nERROR  -->  F1AP : Memory allocation failed for BuildAndSendF1ResetReq msg array");
+            break;
+         }
       }
 
       /*TransactionID*/
@@ -931,28 +950,29 @@ uint8_t BuildAndSendF1ResetReq()
       memset(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 F1Reset structure (at %s)\n",\
-              encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Could not encode F1Reset structure (at %s)\n",\
+               encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+         break;
       }
       else
       {
-        DU_LOG("\nDEBUG  -->  F1AP : Created APER encoded buffer for F1Reset\n");
-        for(idx=0; idx< encBufSize; idx++)
-        {
-           DU_LOG("%x",encBuf[idx]);
-        }
+         DU_LOG("\nDEBUG  -->  F1AP : Created APER encoded buffer for F1Reset\n");
+         for(idx=0; idx< encBufSize; idx++)
+         {
+            DU_LOG("%x",encBuf[idx]);
+         }
       }
 
-      if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL) != ROK)
+      /* TODO : Hardcoding DU ID to 1 for messages other than F1 Setup Response. This will be made generic in future gerrit */
+      if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL, DU_ID) != ROK)
       {
-        DU_LOG("\nERROR  -->  F1AP : Sending F1 Reset request failed");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Sending F1 Reset request failed");
+         break;
       }
 
       ret = ROK;
@@ -1735,7 +1755,8 @@ uint8_t BuildAndSendDLRRCMessageTransfer(uint8_t ueId, uint8_t srbId, uint8_t rr
    }
 
    /* Sending  msg  */
-   if(SendF1APMsg(CU_APP_MEM_REG,CU_POOL)  !=  ROK)
+   /* TODO : Hardcoding DU ID to 1 for messages other than F1 Setup Response. This will be made generic in future gerrit */
+   if(SendF1APMsg(CU_APP_MEM_REG,CU_POOL, DU_ID)  !=  ROK)
    {
       DU_LOG("\nERROR  -->  F1AP : Sending  DL RRC Message Transfer Failed");
       return RFAILED;
@@ -1890,7 +1911,7 @@ uint8_t BuildNrcgi(NRCGI_t *nrcgi)
    uint8_t ret;
    uint8_t unused_bits = 4;
    uint8_t byteSize = 5;
-   uint8_t val = 1;
+   uint8_t val = 16;
    /* Allocate Buffer Memory */
    nrcgi->pLMN_Identity.size = 3 * sizeof(uint8_t);
    CU_ALLOC(nrcgi->pLMN_Identity.buf, nrcgi->pLMN_Identity.size);
@@ -1898,7 +1919,7 @@ uint8_t BuildNrcgi(NRCGI_t *nrcgi)
    {
       return RFAILED;
    }
-   ret = buildPlmnId(cuCfgParams.plmn , nrcgi->pLMN_Identity.buf);
+   ret = buildPlmnId(cuCb.cuCfgParams.plmn , nrcgi->pLMN_Identity.buf);
 
    if(ret != ROK)
    {
@@ -1910,16 +1931,7 @@ uint8_t BuildNrcgi(NRCGI_t *nrcgi)
    {
       return RFAILED;
    }
-#if 0
-   ret = fillBitString(&nrcgi->nRCellIdentity, unused, byteSize, val);
-   if(ret != ROK)
-   {
-      return RFAILED;
-   }
-#endif
-   memset(nrcgi->nRCellIdentity.buf, 0, nrcgi->nRCellIdentity.size);
-   nrcgi->nRCellIdentity.buf[0] |= val;
-   nrcgi->nRCellIdentity.bits_unused = unused_bits;
+   fillBitString(&nrcgi->nRCellIdentity, unused_bits, byteSize, val);
 
    return ROK;
 }
@@ -2316,7 +2328,7 @@ uint8_t BuildULTnlInfo(ULUPTNLInformation_ToBeSetup_List_t *ulInfo)
    ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->\
       gTP_TEID.buf[2] = 0;
    ulInfo->list.array[idx]->uLUPTNLInformation.choice.gTPTunnel->\
-      gTP_TEID.buf[3] = cuCfgParams.egtpParams.currTunnelId++;
+      gTP_TEID.buf[3] = cuCb.cuCfgParams.egtpParams.currTunnelId++;
 
    return ROK;
 }/*End of BuildULTnlInfo*/
@@ -2392,7 +2404,7 @@ uint8_t BuildDRBSetup(DRBs_ToBeSetup_List_t *drbSet)
       }
       /*SNSSAI*/
       BuildSNSSAIret = BuildSNSSAI(&drbSetItem->qoSInformation.choice.\
-                              choice_extension->value.choice.DRB_Information.sNSSAI, cuCfgParams.snssaiList[0]);
+                              choice_extension->value.choice.DRB_Information.sNSSAI, cuCb.snssaiList[0]);
       if(BuildSNSSAIret != ROK)
       {
          DU_LOG("\nERROR  -->  F1AP : Failed to build SNSSAI Info in BuildDRBSetup");
@@ -3825,7 +3837,63 @@ uint8_t BuildBWPUlDedPuschCfg(PUSCH_Config_t *puschCfg)
 uint8_t BuildBWPUlDedPucchCfg(PUCCH_Config_t *pucchCfg)
 {
    uint8_t arrIdx, elementCnt;
+   uint8_t rsrcIdx, rsrcSetIdx;
+   PUCCH_ResourceSet_t *rsrcSet = NULLP;
+   PUCCH_Resource_t *rsrc = NULLP;
+
+   //RESOURCE SET
+   elementCnt = 1;
+   CU_ALLOC(pucchCfg->resourceSetToAddModList, sizeof(struct PUCCH_Config__resourceSetToAddModList));
+   pucchCfg->resourceSetToAddModList->list.count = elementCnt;
+   pucchCfg->resourceSetToAddModList->list.size = elementCnt * sizeof(PUCCH_ResourceSet_t *);
+   CU_ALLOC(pucchCfg->resourceSetToAddModList->list.array, pucchCfg->resourceSetToAddModList->list.size);
+   for(rsrcSetIdx=0; rsrcSetIdx < pucchCfg->resourceSetToAddModList->list.count; rsrcSetIdx++)
+   {
+      CU_ALLOC(pucchCfg->resourceSetToAddModList->list.array[rsrcSetIdx], sizeof(PUCCH_ResourceSet_t));
+   }
+   rsrcSetIdx = 0;
+   rsrcSet = pucchCfg->resourceSetToAddModList->list.array[rsrcSetIdx];
+   rsrcSet->pucch_ResourceSetId = 1;
+   elementCnt = 1;
+   rsrcSet->resourceList.list.count = elementCnt;
+   rsrcSet->resourceList.list.size = elementCnt * sizeof(PUCCH_ResourceId_t *);
+   CU_ALLOC(rsrcSet->resourceList.list.array, rsrcSet->resourceList.list.size);
+   for(rsrcIdx=0; rsrcIdx < rsrcSet->resourceList.list.count; rsrcIdx++)
+   {
+      CU_ALLOC(rsrcSet->resourceList.list.array[rsrcIdx], sizeof(PUCCH_ResourceId_t));
+   }
+   rsrcIdx = 0;
+   *(rsrcSet->resourceList.list.array[rsrcIdx]) = 1;
 
+   //RESOURCE
+   elementCnt = 1;
+   CU_ALLOC(pucchCfg->resourceToAddModList, sizeof(struct PUCCH_Config__resourceToAddModList));
+   pucchCfg->resourceToAddModList->list.count = elementCnt;
+   pucchCfg->resourceToAddModList->list.size = elementCnt * sizeof(PUCCH_Resource_t *);
+   CU_ALLOC(pucchCfg->resourceToAddModList->list.array, pucchCfg->resourceToAddModList->list.size);
+   for(rsrcIdx=0; rsrcIdx < pucchCfg->resourceToAddModList->list.count; rsrcIdx++)
+   {
+      CU_ALLOC(pucchCfg->resourceToAddModList->list.array[rsrcIdx], sizeof(PUCCH_Resource_t));
+   }
+   rsrcIdx = 0;
+   rsrc = pucchCfg->resourceToAddModList->list.array[rsrcIdx];
+   rsrc->pucch_ResourceId = 1;
+   rsrc->startingPRB = 0;
+   rsrc->format.present = PUCCH_Resource__format_PR_format1; 
+   CU_ALLOC(rsrc->format.choice.format1, sizeof(PUCCH_format1_t));
+   rsrc->format.choice.format1->initialCyclicShift = 0;
+   rsrc->format.choice.format1->nrofSymbols = 4;
+   rsrc->format.choice.format1->startingSymbolIndex = 0;
+   rsrc->format.choice.format1->timeDomainOCC = 0;
+
+   //PUCCH Format 1
+   CU_ALLOC(pucchCfg->format1, sizeof(struct PUCCH_Config__format1));
+   pucchCfg->format1->present = PUCCH_Config__format1_PR_setup;
+   CU_ALLOC(pucchCfg->format1->choice.setup, sizeof(PUCCH_FormatConfig_t));
+   CU_ALLOC(pucchCfg->format1->choice.setup->nrofSlots, sizeof(long));
+   *(pucchCfg->format1->choice.setup->nrofSlots) = PUCCH_FormatConfig__nrofSlots_n4;
+
+   //DL DATA TO UL ACK
    CU_ALLOC(pucchCfg->dl_DataToUL_ACK, sizeof(struct PUCCH_Config__dl_DataToUL_ACK));
    if(pucchCfg->dl_DataToUL_ACK == NULLP)
    {
@@ -5017,6 +5085,105 @@ void FreePuschTimeDomAllocList(PUSCH_Config_t *puschCfg)
    }
 
 }
+
+/*******************************************************************
+ *
+ * @brief Frees memory allocated for Dedicated PUCCH config
+ *
+ * @details
+ *
+ *    Function : FreeBWPUlDedPucchCfg
+ *
+ *    Functionality: Deallocating memory of Dedicated PUCCH cfg
+ *
+ * @params[in] BWP_UplinkDedicated__pucch_Config *ulBwpPucchCfg
+ *
+ * @return void
+ *
+ * ****************************************************************/
+void FreeBWPUlDedPucchCfg(struct BWP_UplinkDedicated__pucch_Config *ulBwpPucchCfg)
+{  
+   uint8_t arrIdx, rsrcIdx, rsrcSetIdx;
+   PUCCH_Config_t *pucchCfg = NULLP;
+   PUCCH_ResourceSet_t *rsrcSet = NULLP;
+   PUCCH_Resource_t *rsrc = NULLP;
+
+   if(ulBwpPucchCfg)
+   {
+      if(ulBwpPucchCfg->choice.setup)
+      {
+         pucchCfg = ulBwpPucchCfg->choice.setup;
+
+         //Free resource set list
+         if(pucchCfg->resourceSetToAddModList)
+         {
+            if(pucchCfg->resourceSetToAddModList->list.array)
+            {
+               for(rsrcSetIdx=0; rsrcSetIdx < pucchCfg->resourceSetToAddModList->list.count; rsrcSetIdx++)
+               {
+                  rsrcSet = pucchCfg->resourceSetToAddModList->list.array[rsrcSetIdx];
+                  if(rsrcSet->resourceList.list.array)
+                  {
+                     for(rsrcIdx=0; rsrcIdx < rsrcSet->resourceList.list.count; rsrcIdx++)
+                     {
+                        CU_FREE(rsrcSet->resourceList.list.array[rsrcIdx], sizeof(PUCCH_ResourceId_t));
+                     }
+                     CU_FREE(rsrcSet->resourceList.list.array, rsrcSet->resourceList.list.size);
+                  }
+                  CU_FREE(pucchCfg->resourceSetToAddModList->list.array[rsrcSetIdx], sizeof(PUCCH_ResourceSet_t));
+               }
+               CU_FREE(pucchCfg->resourceSetToAddModList->list.array, pucchCfg->resourceSetToAddModList->list.size);
+            }
+            CU_FREE(pucchCfg->resourceSetToAddModList, sizeof(struct PUCCH_Config__resourceSetToAddModList));
+         }
+
+         //Free resource list
+         if(pucchCfg->resourceToAddModList)
+         {
+            if(pucchCfg->resourceToAddModList->list.array)
+            {
+               for(rsrcIdx=0; rsrcIdx < pucchCfg->resourceToAddModList->list.count; rsrcIdx++)
+               {
+                  rsrc = pucchCfg->resourceToAddModList->list.array[rsrcIdx];
+                  CU_FREE(rsrc->format.choice.format1, sizeof(PUCCH_format1_t));
+                  CU_FREE(pucchCfg->resourceToAddModList->list.array[rsrcIdx], sizeof(PUCCH_Resource_t));
+               }
+               CU_FREE(pucchCfg->resourceToAddModList->list.array, pucchCfg->resourceToAddModList->list.size);
+            }
+            CU_FREE(pucchCfg->resourceToAddModList, sizeof(struct PUCCH_Config__resourceToAddModList));
+         }
+         
+         //PUCCH Format 1
+         if(pucchCfg->format1)
+         {
+            if(pucchCfg->format1->choice.setup)
+            {
+               CU_FREE(pucchCfg->format1->choice.setup->nrofSlots, sizeof(long));
+               CU_FREE(pucchCfg->format1->choice.setup, sizeof(PUCCH_FormatConfig_t));
+            }
+            CU_FREE(pucchCfg->format1, sizeof(struct PUCCH_Config__format1));
+         }
+
+         //DL DATA TO UL ACK
+         if(pucchCfg->dl_DataToUL_ACK)
+         {
+            if(pucchCfg->dl_DataToUL_ACK->list.array)
+            {
+               for(arrIdx = 0; arrIdx <  pucchCfg->dl_DataToUL_ACK->list.count; arrIdx++)
+               {
+                  CU_FREE(pucchCfg->dl_DataToUL_ACK->list.array[arrIdx], sizeof(long));
+               }
+               CU_FREE(pucchCfg->dl_DataToUL_ACK->list.array, pucchCfg->dl_DataToUL_ACK->list.size);
+            }
+            CU_FREE(pucchCfg->dl_DataToUL_ACK, sizeof(struct PUCCH_Config__dl_DataToUL_ACK));
+         }
+
+         CU_FREE(ulBwpPucchCfg->choice.setup, sizeof(PUCCH_Config_t));
+      }
+      CU_FREE(ulBwpPucchCfg, sizeof(struct BWP_UplinkDedicated__pucch_Config));
+   }
+}
+
 /*******************************************************************
  *
  * @brief Frees memory allocated for InitialUlBWP
@@ -5042,114 +5209,116 @@ void FreeInitialUlBWP(BWP_UplinkDedicated_t *ulBwp)
    struct SRS_ResourceSet__srs_ResourceIdList *rsrcIdList = NULLP;
    struct SRS_Config__srs_ResourceToAddModList *resourceList = NULLP;
 
+   FreeBWPUlDedPucchCfg(ulBwp->pucch_Config);
+
    if(ulBwp->pusch_Config)
    {
       if(ulBwp->pusch_Config->choice.setup)
       {
-        puschCfg=ulBwp->pusch_Config->choice.setup;
-        if(puschCfg->dataScramblingIdentityPUSCH)
-        {
-           if(puschCfg->dmrs_UplinkForPUSCH_MappingTypeA)
-           {
-              FreePuschTimeDomAllocList(puschCfg);
-              dmrsUlCfg=puschCfg->dmrs_UplinkForPUSCH_MappingTypeA;
-              if(dmrsUlCfg->choice.setup)
-              {
-                 if(dmrsUlCfg->choice.setup->dmrs_AdditionalPosition)
-                 {
-                    if(dmrsUlCfg->choice.setup->transformPrecodingDisabled)
-                    {
-                       CU_FREE(dmrsUlCfg->choice.setup->transformPrecodingDisabled->scramblingID0,\
-                             sizeof(long));
-                       CU_FREE(dmrsUlCfg->choice.setup->transformPrecodingDisabled,
-                             sizeof(struct DMRS_UplinkConfig__transformPrecodingDisabled));
-                    }
-                    CU_FREE(dmrsUlCfg->choice.setup->dmrs_AdditionalPosition,
-                          sizeof(long));
-                 }
-                 CU_FREE(dmrsUlCfg->choice.setup,sizeof(DMRS_UplinkConfig_t));
-              }
-              CU_FREE(puschCfg->dmrs_UplinkForPUSCH_MappingTypeA, \
-                    sizeof(struct PUSCH_Config__dmrs_UplinkForPUSCH_MappingTypeA));
-           }
-           CU_FREE(puschCfg->dataScramblingIdentityPUSCH, sizeof(long));
-        }
-        CU_FREE(ulBwp->pusch_Config->choice.setup, sizeof(PUSCH_Config_t));
+         puschCfg=ulBwp->pusch_Config->choice.setup;
+         if(puschCfg->dataScramblingIdentityPUSCH)
+         {
+            if(puschCfg->dmrs_UplinkForPUSCH_MappingTypeA)
+            {
+               FreePuschTimeDomAllocList(puschCfg);
+               dmrsUlCfg=puschCfg->dmrs_UplinkForPUSCH_MappingTypeA;
+               if(dmrsUlCfg->choice.setup)
+               {
+                  if(dmrsUlCfg->choice.setup->dmrs_AdditionalPosition)
+                  {
+                     if(dmrsUlCfg->choice.setup->transformPrecodingDisabled)
+                     {
+                        CU_FREE(dmrsUlCfg->choice.setup->transformPrecodingDisabled->scramblingID0,\
+                              sizeof(long));
+                        CU_FREE(dmrsUlCfg->choice.setup->transformPrecodingDisabled,
+                              sizeof(struct DMRS_UplinkConfig__transformPrecodingDisabled));
+                     }
+                     CU_FREE(dmrsUlCfg->choice.setup->dmrs_AdditionalPosition,
+                           sizeof(long));
+                  }
+                  CU_FREE(dmrsUlCfg->choice.setup,sizeof(DMRS_UplinkConfig_t));
+               }
+               CU_FREE(puschCfg->dmrs_UplinkForPUSCH_MappingTypeA, \
+                     sizeof(struct PUSCH_Config__dmrs_UplinkForPUSCH_MappingTypeA));
+            }
+            CU_FREE(puschCfg->dataScramblingIdentityPUSCH, sizeof(long));
+         }
+         CU_FREE(ulBwp->pusch_Config->choice.setup, sizeof(PUSCH_Config_t));
       }
       CU_FREE(ulBwp->pusch_Config, sizeof(struct BWP_UplinkDedicated__pusch_Config));
 
       /* Free SRS-Config */
       if(ulBwp->srs_Config)
       {
-        if(ulBwp->srs_Config->choice.setup)
-        {
-           srsCfg = ulBwp->srs_Config->choice.setup;
+         if(ulBwp->srs_Config->choice.setup)
+         {
+            srsCfg = ulBwp->srs_Config->choice.setup;
 
-           /* Free Resource Set to add/mod list */
-           if(srsCfg->srs_ResourceSetToAddModList)
-           {
-              rsrcSetList = srsCfg->srs_ResourceSetToAddModList;
-              if(rsrcSetList->list.array)
-              {
-                 rSetIdx = 0;
+            /* Free Resource Set to add/mod list */
+            if(srsCfg->srs_ResourceSetToAddModList)
+            {
+               rsrcSetList = srsCfg->srs_ResourceSetToAddModList;
+               if(rsrcSetList->list.array)
+               {
+                  rSetIdx = 0;
 
-                 /* Free SRS resource Id list in this SRS resource set */
-                 if(rsrcSetList->list.array[rSetIdx]->srs_ResourceIdList)
-                 {
-                    rsrcIdList = rsrcSetList->list.array[rSetIdx]->srs_ResourceIdList;
+                  /* Free SRS resource Id list in this SRS resource set */
+                  if(rsrcSetList->list.array[rSetIdx]->srs_ResourceIdList)
+                  {
+                     rsrcIdList = rsrcSetList->list.array[rSetIdx]->srs_ResourceIdList;
 
-                    if(rsrcIdList->list.array)
-                    {
-                       for(rsrcIdx = 0; rsrcIdx < rsrcIdList->list.count; rsrcIdx++)
-                       {
-                          CU_FREE(rsrcIdList->list.array[rsrcIdx], sizeof(SRS_ResourceId_t));
-                       }
-                       CU_FREE(rsrcIdList->list.array, rsrcIdList->list.size);
-                    }
-                    CU_FREE(rsrcSetList->list.array[rSetIdx]->srs_ResourceIdList,\
-                          sizeof(struct SRS_ResourceSet__srs_ResourceIdList));
-                 }
+                     if(rsrcIdList->list.array)
+                     {
+                        for(rsrcIdx = 0; rsrcIdx < rsrcIdList->list.count; rsrcIdx++)
+                        {
+                           CU_FREE(rsrcIdList->list.array[rsrcIdx], sizeof(SRS_ResourceId_t));
+                        }
+                        CU_FREE(rsrcIdList->list.array, rsrcIdList->list.size);
+                     }
+                     CU_FREE(rsrcSetList->list.array[rSetIdx]->srs_ResourceIdList,\
+                           sizeof(struct SRS_ResourceSet__srs_ResourceIdList));
+                  }
 
-                 /* Free resource type info for this SRS resource set */
-                 CU_FREE(rsrcSetList->list.array[rSetIdx]->resourceType.choice.aperiodic, \
-                       sizeof(struct SRS_ResourceSet__resourceType__aperiodic));
+                  /* Free resource type info for this SRS resource set */
+                  CU_FREE(rsrcSetList->list.array[rSetIdx]->resourceType.choice.aperiodic, \
+                        sizeof(struct SRS_ResourceSet__resourceType__aperiodic));
 
-                 /* Free memory for each resource set */
-                 for(rSetIdx = 0; rSetIdx < rsrcSetList->list.count; rSetIdx++)
-                 {
-                    CU_FREE(rsrcSetList->list.array[rSetIdx], sizeof(SRS_ResourceSet_t));
-                 }
-                 CU_FREE(rsrcSetList->list.array, rsrcSetList->list.size); 
-              }
-              CU_FREE(srsCfg->srs_ResourceSetToAddModList, \
-                    sizeof(struct SRS_Config__srs_ResourceSetToAddModList));
-           }
+                  /* Free memory for each resource set */
+                  for(rSetIdx = 0; rSetIdx < rsrcSetList->list.count; rSetIdx++)
+                  {
+                     CU_FREE(rsrcSetList->list.array[rSetIdx], sizeof(SRS_ResourceSet_t));
+                  }
+                  CU_FREE(rsrcSetList->list.array, rsrcSetList->list.size); 
+               }
+               CU_FREE(srsCfg->srs_ResourceSetToAddModList, \
+                     sizeof(struct SRS_Config__srs_ResourceSetToAddModList));
+            }
 
-           /* Free resource to add/modd list */
-           if(srsCfg->srs_ResourceToAddModList)
-           {
-              resourceList = srsCfg->srs_ResourceToAddModList;
-              if(resourceList->list.array)
-              {
-                 rsrcIdx = 0;
-                 CU_FREE(resourceList->list.array[rsrcIdx]->transmissionComb.choice.n2,\
-                       sizeof(struct SRS_Resource__transmissionComb__n2));
-                 CU_FREE(resourceList->list.array[rsrcIdx]->resourceType.choice.aperiodic,\
-                       sizeof(struct SRS_Resource__resourceType__aperiodic));
+            /* Free resource to add/modd list */
+            if(srsCfg->srs_ResourceToAddModList)
+            {
+               resourceList = srsCfg->srs_ResourceToAddModList;
+               if(resourceList->list.array)
+               {
+                  rsrcIdx = 0;
+                  CU_FREE(resourceList->list.array[rsrcIdx]->transmissionComb.choice.n2,\
+                        sizeof(struct SRS_Resource__transmissionComb__n2));
+                  CU_FREE(resourceList->list.array[rsrcIdx]->resourceType.choice.aperiodic,\
+                        sizeof(struct SRS_Resource__resourceType__aperiodic));
 
-                 for(rsrcIdx = 0; rsrcIdx < resourceList->list.count; rsrcIdx++)
-                 {
-                    CU_FREE(resourceList->list.array[rsrcIdx], sizeof(SRS_Resource_t));
-                 }
-                 CU_FREE(resourceList->list.array, resourceList->list.size);
-              }
-              CU_FREE(srsCfg->srs_ResourceToAddModList, \
-                    sizeof(struct SRS_Config__srs_ResourceToAddModList));
-           }
+                  for(rsrcIdx = 0; rsrcIdx < resourceList->list.count; rsrcIdx++)
+                  {
+                     CU_FREE(resourceList->list.array[rsrcIdx], sizeof(SRS_Resource_t));
+                  }
+                  CU_FREE(resourceList->list.array, resourceList->list.size);
+               }
+               CU_FREE(srsCfg->srs_ResourceToAddModList, \
+                     sizeof(struct SRS_Config__srs_ResourceToAddModList));
+            }
 
-           CU_FREE(ulBwp->srs_Config->choice.setup, sizeof(SRS_Config_t));
-        }
-        CU_FREE(ulBwp->srs_Config, sizeof(struct BWP_UplinkDedicated__srs_Config));
+            CU_FREE(ulBwp->srs_Config->choice.setup, sizeof(SRS_Config_t));
+         }
+         CU_FREE(ulBwp->srs_Config, sizeof(struct BWP_UplinkDedicated__srs_Config));
       }
    }
 }      
@@ -6461,164 +6630,164 @@ uint8_t BuildAndSendUeContextSetupReq(uint8_t cuUeF1apId, uint8_t duUeF1apId, \
       CU_ALLOC(f1apMsg, sizeof(F1AP_PDU_t));
       if(f1apMsg == NULLP)
       {
-        DU_LOG("\nERROR  -->  F1AP : Memory allocation for F1AP-PDU failed");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation for F1AP-PDU failed");
+         break;
       }
 
       f1apMsg->present = F1AP_PDU_PR_initiatingMessage;
       CU_ALLOC(f1apMsg->choice.initiatingMessage, sizeof(InitiatingMessage_t));
       if(f1apMsg->choice.initiatingMessage == NULLP)
       {
-        DU_LOG("\nERROR  -->  F1AP : Memory allocation for     F1AP-PDU failed");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation for    F1AP-PDU failed");
+         break;
       }
 
       f1apMsg->choice.initiatingMessage->procedureCode = \
-                                                        ProcedureCode_id_UEContextSetup;
+                                                         ProcedureCode_id_UEContextSetup;
       f1apMsg->choice.initiatingMessage->criticality = Criticality_reject;
       f1apMsg->choice.initiatingMessage->value.present = \
-                                                        InitiatingMessage__value_PR_UEContextSetupRequest;
+                                                         InitiatingMessage__value_PR_UEContextSetupRequest;
       ueSetReq =
-        &f1apMsg->choice.initiatingMessage->value.choice.UEContextSetupRequest;
+         &f1apMsg->choice.initiatingMessage->value.choice.UEContextSetupRequest;
 
       elementCnt = 12;
       ueSetReq->protocolIEs.list.count = elementCnt;
       ueSetReq->protocolIEs.list.size = \
-                                       elementCnt * sizeof(UEContextSetupRequestIEs_t *);
+                                        elementCnt * sizeof(UEContextSetupRequestIEs_t *);
 
       /* Initialize the UESetup members */
       CU_ALLOC(ueSetReq->protocolIEs.list.array,ueSetReq->protocolIEs.list.size);
 
       if(ueSetReq->protocolIEs.list.array == NULLP)
       {
-        DU_LOG("\nERROR  -->  F1AP : Memory allocation for UE Context SetupRequest failed");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation for UE Context SetupRequest failed");
+         break;
       }
 
       for(idx1=0; idx1<elementCnt; idx1++)
       {
-        CU_ALLOC(ueSetReq->protocolIEs.list.array[idx1],sizeof(UEContextSetupRequestIEs_t));
-        if(ueSetReq->protocolIEs.list.array[idx1] == NULLP)
-        {
-           break;
-        }
+         CU_ALLOC(ueSetReq->protocolIEs.list.array[idx1],sizeof(UEContextSetupRequestIEs_t));
+         if(ueSetReq->protocolIEs.list.array[idx1] == NULLP)
+         {
+            break;
+         }
       }
 
       idx = 0;
 
       /*GNB CU UE F1AP ID*/
       ueSetReq->protocolIEs.list.array[idx]->id        = \
-                                                 ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID;
+                                                  ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID;
       ueSetReq->protocolIEs.list.array[idx]->criticality       =       Criticality_reject;
       ueSetReq->protocolIEs.list.array[idx]->value.present = \
-                                                            UEContextSetupRequestIEs__value_PR_GNB_CU_UE_F1AP_ID;
+                                                             UEContextSetupRequestIEs__value_PR_GNB_CU_UE_F1AP_ID;
       ueSetReq->protocolIEs.list.array[idx]->value.choice.GNB_CU_UE_F1AP_ID = cuUeF1apId;
 
       /*GNB DU UE F1AP ID*/
       idx++;
       ueSetReq->protocolIEs.list.array[idx]->id        = \
-                                                 ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID;
+                                                  ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID;
       ueSetReq->protocolIEs.list.array[idx]->criticality       =       Criticality_ignore;
       ueSetReq->protocolIEs.list.array[idx]->value.present = \
-                                                            UEContextSetupRequestIEs__value_PR_GNB_DU_UE_F1AP_ID;
+                                                             UEContextSetupRequestIEs__value_PR_GNB_DU_UE_F1AP_ID;
       ueSetReq->protocolIEs.list.array[idx]->value.choice.GNB_DU_UE_F1AP_ID = duUeF1apId;
 
       /*Special Cell ID*/
       idx++;
       ueSetReq->protocolIEs.list.array[idx]->id        = \
-                                                 ProtocolIE_ID_id_SpCell_ID;
+                                                  ProtocolIE_ID_id_SpCell_ID;
       ueSetReq->protocolIEs.list.array[idx]->criticality       =       Criticality_reject;
       ueSetReq->protocolIEs.list.array[idx]->value.present = \
-                                                            UEContextSetupRequestIEs__value_PR_NRCGI;
+                                                             UEContextSetupRequestIEs__value_PR_NRCGI;
       Nrcgiret = BuildNrcgi(&ueSetReq->protocolIEs.list.array[idx]->value.choice.NRCGI);
       if(Nrcgiret != ROK)
       {
-        break;
+         break;
       }
 
       /*Served Cell Index*/
       idx++;
       ueSetReq->protocolIEs.list.array[idx]->id        = \
-                                                 ProtocolIE_ID_id_ServCellIndex;
+                                                  ProtocolIE_ID_id_ServCellIndex;
       ueSetReq->protocolIEs.list.array[idx]->criticality       =       Criticality_reject;
       ueSetReq->protocolIEs.list.array[idx]->value.present = \
-                                                            UEContextSetupRequestIEs__value_PR_ServCellIndex;
+                                                             UEContextSetupRequestIEs__value_PR_ServCellIndex;
       ueSetReq->protocolIEs.list.array[idx]->value.choice.ServCellIndex = \
-                                                                         CELL_INDEX;
+                                                                          CELL_INDEX;
 
       /*CellULConfigured*/
       idx++;
       ueSetReq->protocolIEs.list.array[idx]->id        = \
-                                                 ProtocolIE_ID_id_SpCellULConfigured;
+                                                  ProtocolIE_ID_id_SpCellULConfigured;
       ueSetReq->protocolIEs.list.array[idx]->criticality       =       Criticality_ignore;
       ueSetReq->protocolIEs.list.array[idx]->value.present = \
-                                                            UEContextSetupRequestIEs__value_PR_CellULConfigured;
+                                                             UEContextSetupRequestIEs__value_PR_CellULConfigured;
       ueSetReq->protocolIEs.list.array[idx]->value.choice.CellULConfigured = \
-                                                                            CellULConfigured_none;
+                                                                             CellULConfigured_none;
 
       /*CUtoDURRCContainer*/
       idx++;
       ueSetReq->protocolIEs.list.array[idx]->id        = \
-                                                 ProtocolIE_ID_id_CUtoDURRCInformation;
+                                                  ProtocolIE_ID_id_CUtoDURRCInformation;
       ueSetReq->protocolIEs.list.array[idx]->criticality       =       Criticality_reject;
       ueSetReq->protocolIEs.list.array[idx]->value.present = \
-                                                            UEContextSetupRequestIEs__value_PR_CUtoDURRCInformation;
+                                                             UEContextSetupRequestIEs__value_PR_CUtoDURRCInformation;
       if(fillCuToDuContainer(&ueSetReq->protocolIEs.list.array[idx]->value.choice.CUtoDURRCInformation))
       {
-        break;
+         break;
       }
 
       /*Special Cells to be SetupList*/
       idx++;
       ueSetReq->protocolIEs.list.array[idx]->id        = \
-                                                 ProtocolIE_ID_id_SCell_ToBeSetup_List;
+                                                  ProtocolIE_ID_id_SCell_ToBeSetup_List;
       ueSetReq->protocolIEs.list.array[idx]->criticality       =       Criticality_ignore;
       ueSetReq->protocolIEs.list.array[idx]->value.present = \
-                                                            UEContextSetupRequestIEs__value_PR_SCell_ToBeSetup_List;
+                                                             UEContextSetupRequestIEs__value_PR_SCell_ToBeSetup_List;
       SplCellListret = BuildSplCellList(&ueSetReq->protocolIEs.list.array[idx]->value.choice.SCell_ToBeSetup_List);
       if(SplCellListret != ROK)
       {  
-        break;
+         break;
       }
       /*SRBs To Be Setup List*/
       idx++;
       ueSetReq->protocolIEs.list.array[idx]->id        = \
-                                                 ProtocolIE_ID_id_SRBs_ToBeSetup_List;
+                                                  ProtocolIE_ID_id_SRBs_ToBeSetup_List;
       ueSetReq->protocolIEs.list.array[idx]->criticality       =       Criticality_reject;
       ueSetReq->protocolIEs.list.array[idx]->value.present = \
-                                                            UEContextSetupRequestIEs__value_PR_SRBs_ToBeSetup_List;
+                                                             UEContextSetupRequestIEs__value_PR_SRBs_ToBeSetup_List;
       SrbSetupret =    BuildSRBSetup(&ueSetReq->protocolIEs.list.array[idx]->value.choice.SRBs_ToBeSetup_List);
       if(SrbSetupret != ROK)
       {        
-        break;
+         break;
       }
       /*DRBs to Be Setup List*/
       idx++;
       ueSetReq->protocolIEs.list.array[idx]->id        = \
-                                                 ProtocolIE_ID_id_DRBs_ToBeSetup_List;
+                                                  ProtocolIE_ID_id_DRBs_ToBeSetup_List;
       ueSetReq->protocolIEs.list.array[idx]->criticality       =       Criticality_reject;
       ueSetReq->protocolIEs.list.array[idx]->value.present = \
-                                                            UEContextSetupRequestIEs__value_PR_DRBs_ToBeSetup_List;
+                                                             UEContextSetupRequestIEs__value_PR_DRBs_ToBeSetup_List;
       ret1 = BuildDRBSetup(&ueSetReq->protocolIEs.list.array[idx]->value.choice.DRBs_ToBeSetup_List);
       if(ret1 != ROK)
       {        
-        break;
+         break;
       }
       /* RRC Container for security mode */
       idx++;
       ueSetReq->protocolIEs.list.array[idx]->id = ProtocolIE_ID_id_RRCContainer;
       ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_reject;
       ueSetReq->protocolIEs.list.array[idx]->value.present = \
-                                                            UEContextSetupRequestIEs__value_PR_RRCContainer;
+                                                             UEContextSetupRequestIEs__value_PR_RRCContainer;
       char secModeBuf[9]={0x00, 0x02, 0x22, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00};
       bufLen =9;
       ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.size = bufLen;
       CU_ALLOC(ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.buf,
-           ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.size);
+            ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.size);
       if(!ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.buf)
       {
-        DU_LOG("\nERROR  -->  F1AP : Memory allocation for BuildAndSendUeContextSetupReq failed");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation for BuildAndSendUeContextSetupReq failed");
+         break;
       }
       memset(ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.buf, 0, bufLen);
       memcpy(ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.buf, secModeBuf, bufLen);
@@ -6626,29 +6795,29 @@ uint8_t BuildAndSendUeContextSetupReq(uint8_t cuUeF1apId, uint8_t duUeF1apId, \
       /* RRC delivery status request */
       idx++;
       ueSetReq->protocolIEs.list.array[idx]->id = \
-                                                 ProtocolIE_ID_id_RRCDeliveryStatusRequest;
+                                                  ProtocolIE_ID_id_RRCDeliveryStatusRequest;
       ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_ignore;
       ueSetReq->protocolIEs.list.array[idx]->value.present = \
-                                                            UEContextSetupRequestIEs__value_PR_RRCDeliveryStatusRequest;
+                                                             UEContextSetupRequestIEs__value_PR_RRCDeliveryStatusRequest;
       ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCDeliveryStatusRequest = \
-                                                                                    RRCDeliveryStatusRequest_true;
+                                                                                     RRCDeliveryStatusRequest_true;
 
       /* Bit Rate hardcoded as in reference logs */
       idx++;
       ueSetReq->protocolIEs.list.array[idx]->id = \
-                                                 ProtocolIE_ID_id_GNB_DU_UE_AMBR_UL;
+                                                  ProtocolIE_ID_id_GNB_DU_UE_AMBR_UL;
       ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_ignore;
       ueSetReq->protocolIEs.list.array[idx]->value.present = \
-                                                            UEContextSetupRequestIEs__value_PR_BitRate;
+                                                             UEContextSetupRequestIEs__value_PR_BitRate;
       char bitRateBuf[4]= {0x3B, 0x37, 0xF4, 0xCD};
       bufLen = 4;
       ueSetReq->protocolIEs.list.array[idx]->value.choice.BitRate.size = bufLen;
       CU_ALLOC(ueSetReq->protocolIEs.list.array[idx]->value.choice.BitRate.buf,\
-           ueSetReq->protocolIEs.list.array[idx]->value.choice.BitRate.size);
+            ueSetReq->protocolIEs.list.array[idx]->value.choice.BitRate.size);
       if(!ueSetReq->protocolIEs.list.array[idx]->value.choice.BitRate.buf)
       {
-        DU_LOG("\nERROR  -->  F1AP : Failed to allocate memory for Bit Rate in BuildAndSendUeContextSetupReq()");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Failed to allocate memory for Bit Rate in BuildAndSendUeContextSetupReq()");
+         break;
       }
       memset(ueSetReq->protocolIEs.list.array[idx]->value.choice.BitRate.buf, 0, bufLen);
       memcpy(ueSetReq->protocolIEs.list.array[idx]->value.choice.BitRate.buf, bitRateBuf, bufLen);
@@ -6659,28 +6828,29 @@ uint8_t BuildAndSendUeContextSetupReq(uint8_t cuUeF1apId, uint8_t duUeF1apId, \
       memset(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 Request structure (at %s)\n",\
-              encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
-        break;
+         DU_LOG( "\nERROR  -->  F1AP : Could not encode UE Context Setup Request structure (at %s)\n",\
+               encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+         break;
       }
       else
       {
-        DU_LOG("\nDEBUG  -->  F1AP : Created APER encodedbuffer for UE Context Setup Request\n");
-        for(int i=0; i< encBufSize; i++)
-        {
-           DU_LOG("%x",encBuf[i]);
-        }
+         DU_LOG("\nDEBUG  -->  F1AP : Created APER encodedbuffer for UE Context Setup Request\n");
+         for(int i=0; i< encBufSize; i++)
+         {
+            DU_LOG("%x",encBuf[i]);
+         }
       }
 
       /* Sending  msg  */
-      if(SendF1APMsg(CU_APP_MEM_REG,CU_POOL)   !=      ROK)
+      /* TODO : Hardcoding DU ID to 1 for messages other than F1 Setup Response. This will be made generic in future gerrit */
+      if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL, DU_ID)   !=      ROK)
       {
-        DU_LOG("\nERROR  -->  F1AP : Sending UE Context Setup Request Failed");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Sending UE Context Setup Request Failed");
+         break;
       }
       ret = ROK;
       break;
@@ -7027,8 +7197,8 @@ uint8_t BuildAndSendF1ResetAck()
       CU_ALLOC(f1apMsg, sizeof(F1AP_PDU_t));
       if(f1apMsg == NULLP)
       {
-        DU_LOG("\nERROR  -->  F1AP : Memory allocation for F1AP-PDU failed");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation for F1AP-PDU failed");
+         break;
       }
 
       f1apMsg->present =  F1AP_PDU_PR_successfulOutcome;
@@ -7036,8 +7206,8 @@ uint8_t BuildAndSendF1ResetAck()
       CU_ALLOC(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t));
       if(f1apMsg->choice.successfulOutcome == NULLP)
       {
-        DU_LOG("\nERROR  -->  F1AP : Memory allocation for F1AP-PDU failed");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation for F1AP-PDU failed");
+         break;
       }
 
       f1apMsg->choice.successfulOutcome->procedureCode = ProcedureCode_id_Reset;
@@ -7053,17 +7223,17 @@ uint8_t BuildAndSendF1ResetAck()
       CU_ALLOC(f1ResetAck->protocolIEs.list.array, f1ResetAck->protocolIEs.list.size ); 
       if(f1ResetAck->protocolIEs.list.array == NULLP) 
       {
-        DU_LOG("\nERROR  -->  F1AP : Memory allocation for F1ResetAckIEs failed");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation for F1ResetAckIEs failed");
+         break;
       }
 
       for(idx=0; idx<elementCnt; idx++)     
       {
-        CU_ALLOC(f1ResetAck->protocolIEs.list.array[idx], sizeof(ResetAcknowledgeIEs_t));
-        if(f1ResetAck->protocolIEs.list.array[idx] == NULLP)
-        {
-           break;
-        }
+         CU_ALLOC(f1ResetAck->protocolIEs.list.array[idx], sizeof(ResetAcknowledgeIEs_t));
+         if(f1ResetAck->protocolIEs.list.array[idx] == NULLP)
+         {
+            break;
+         }
       }
       /*TransactionID*/
       idx = 0;
@@ -7082,23 +7252,25 @@ uint8_t BuildAndSendF1ResetAck()
       /* Check encode results */
       if(encRetVal.encoded == ENCODE_FAIL)
       {
-        DU_LOG("\nERROR  -->  F1AP : Could not encode F1ResetAck structure (at %s)\n",\
-              encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Could not encode F1ResetAck structure (at %s)\n",\
+               encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+         break;
       }
       else
       {
-        DU_LOG("\nDEBUG  -->  F1AP : Created APER encodedbuffer for F1ResetAck \n");
-        for(int i=0; i< encBufSize; i++)
-        {
-           DU_LOG("%x",encBuf[i]);
-        }
+         DU_LOG("\nDEBUG  -->  F1AP : Created APER encodedbuffer for F1ResetAck \n");
+         for(int i=0; i< encBufSize; i++)
+         {
+            DU_LOG("%x",encBuf[i]);
+         }
       }
+
       /* Sending msg */
-      if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL) != ROK)
+      /* TODO : Hardcoding DU ID to 1 for messages other than F1 Setup Response. This will be made generic in future gerrit */
+      if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL, DU_ID) != ROK)
       {
-        DU_LOG("\nERROR  -->  F1AP : Sending F1 Reset Response failed");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Sending F1 Reset Response failed");
+         break;
       }
 
       ret = ROK;
@@ -7108,6 +7280,7 @@ uint8_t BuildAndSendF1ResetAck()
    FreeF1ResetAck(f1apMsg);
    return ret;
 }
+
 void FreeUlTnlInfoforDrb2(ULUPTNLInformation_ToBeSetup_List_t *ulInfo)
 {
    uint8_t arrIdx =0;
@@ -7196,7 +7369,7 @@ uint8_t deleteEgtpTunnel(uint8_t *buf)
 *         RFAILED - failure
 *
 * ****************************************************************/
-uint8_t BuildUlTnlInfoforSetupMod(uint8_t ueId, ULUPTNLInformation_ToBeSetup_List_t *ulInfo, uint8_t actionType)
+uint8_t BuildUlTnlInfoforSetupMod(uint8_t ueId, uint8_t drbId, ULUPTNLInformation_ToBeSetup_List_t *ulInfo, uint8_t actionType)
 {
    uint8_t arrIdx;
    uint8_t ulCnt;
@@ -7277,27 +7450,15 @@ uint8_t BuildUlTnlInfoforSetupMod(uint8_t ueId, ULUPTNLInformation_ToBeSetup_Lis
    {
      /*TODO: DRB context to be stored in CU STUB so that tunnel Id can be easily
       * fetched based on the Drb Id */
-     if(ueId == 1)
-     {
-        /* Tunnel Id for DRB 2 of UE 1 is 2. Hence passing the same TeId */
-        ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->gTP_TEID.buf[3] = 2;
-     }
-     else if(ueId == 2)
-     {
-        /* Tunnel Id for DRB 2 of UE 2 is 5. Hence passing the same TeId */
-        ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->gTP_TEID.buf[3] = 5;
-     }
-     else if(ueId == 3)
-     {
-        /* Tunnel Id for DRB 2 of UE 3 is 8. Hence passing the same TeId */
-        ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->gTP_TEID.buf[3] = 8;
-     }
 
+     /*For For UE Id=1, DRB=2 is modified. For UE Id = 2, DRB=5 is modified and so on.*/
+      ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->gTP_TEID.buf[3]=\
+                                                        (MAX_NUM_DRB_ADDED_PER_UE *(ueId  - 1)) + drbId;
    }
    else
    {
       ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
-        gTP_TEID.buf[3] = cuCfgParams.egtpParams.currTunnelId++;
+        gTP_TEID.buf[3] = cuCb.cuCfgParams.egtpParams.currTunnelId++;
    }
    return ROK;
 }/*End of BuildULTnlInfo*/
@@ -7408,7 +7569,7 @@ uint8_t FillDrbItemToSetupMod(uint8_t ueId, uint8_t arrIdx, DRBs_ToBeSetupMod_It
    uint8_t ret = ROK;
 
    /*Drb Id */
-   drbItem->dRBID = arrIdx + DRB3;
+   drbItem->dRBID = arrIdx + DRB_ID_TO_ADD_MOD;
    
    /*qoSInformation*/
    drbItem->qoSInformation.present = QoSInformation_PR_choice_extension;
@@ -7462,7 +7623,7 @@ uint8_t FillDrbItemToSetupMod(uint8_t ueId, uint8_t arrIdx, DRBs_ToBeSetupMod_It
         
         /*SNSSAI*/
         ret = BuildSNSSAI(&drbItem->qoSInformation.choice.\
-              choice_extension->value.choice.DRB_Information.sNSSAI, cuCfgParams.snssaiList[1]);
+              choice_extension->value.choice.DRB_Information.sNSSAI, cuCb.snssaiList[1]);
         if(ret != ROK)
         {
            DU_LOG("\nERROR  -->  F1AP : BuildSNSSAI failed");
@@ -7482,7 +7643,7 @@ uint8_t FillDrbItemToSetupMod(uint8_t ueId, uint8_t arrIdx, DRBs_ToBeSetupMod_It
    }
    
    /*ULUPTNLInformation To Be Setup List*/
-   ret = BuildUlTnlInfoforSetupMod(ueId, &drbItem->uLUPTNLInformation_ToBeSetup_List, \
+   ret = BuildUlTnlInfoforSetupMod(ueId, drbItem->dRBID, &drbItem->uLUPTNLInformation_ToBeSetup_List, \
       ProtocolIE_ID_id_DRBs_ToBeSetupMod_Item);
    if(ret != ROK)
    {
@@ -7604,15 +7765,14 @@ uint8_t BuildDrbToBeSetupList(uint8_t ueId, DRBs_ToBeSetupMod_List_t *drbSet)
       if(drbSet->list.array[arrIdx] == NULLP)
       {
          DU_LOG("\nERROR  -->  F1AP : Memory allocation failed in BuildDrbToBeSetupList for array idx [%d]", arrIdx);
-        return  RFAILED;
+         return  RFAILED;
       }
-   }
 
-   arrIdx = 0;
-   ret = FillDrbItemList(ueId, arrIdx, (DRBs_ToBeSetupMod_ItemIEs_t *)drbSet->list.array[arrIdx]);
-   if(ret != ROK)
-   {
-      DU_LOG("\nERROR  -->  F1AP : FillDrbItemList failed");
+      ret = FillDrbItemList(ueId, arrIdx, (DRBs_ToBeSetupMod_ItemIEs_t *)drbSet->list.array[arrIdx]);
+      if(ret != ROK)
+      {
+         DU_LOG("\nERROR  -->  F1AP : FillDrbItemList failed");
+      }
    }
 
    return ret;
@@ -7635,12 +7795,12 @@ uint8_t BuildDrbToBeSetupList(uint8_t ueId, DRBs_ToBeSetupMod_List_t *drbSet)
 *
 * ****************************************************************/
 
-uint8_t FillDrbToBeModItem(uint8_t ueId, DRBs_ToBeModified_Item_t *drbItem)
+uint8_t FillDrbToBeModItem(uint8_t ueId, uint8_t arrIdx, DRBs_ToBeModified_Item_t *drbItem)
 {
    uint8_t ret = ROK;
 
    /*Drb Id */
-   drbItem->dRBID = DRB2;
+   drbItem->dRBID = DRB2 + arrIdx;
 
    /*qoSInformation*/
    drbItem->qoSInformation = NULLP;
@@ -7698,7 +7858,7 @@ uint8_t FillDrbToBeModItem(uint8_t ueId, DRBs_ToBeModified_Item_t *drbItem)
 
                /*SNSSAI*/
                ret = BuildSNSSAI(&drbItem->qoSInformation->choice.\
-                     choice_extension->value.choice.DRB_Information.sNSSAI,cuCfgParams.snssaiList[0]);
+                     choice_extension->value.choice.DRB_Information.sNSSAI, cuCb.snssaiList[0]);
                if(ret != ROK)
                {
                   DU_LOG("\nERROR  -->  F1AP : BuildSNSSAI failed");
@@ -7719,7 +7879,7 @@ uint8_t FillDrbToBeModItem(uint8_t ueId, DRBs_ToBeModified_Item_t *drbItem)
    }/* End of QoS */
 
    /*ULUPTNLInformation To Be Setup List*/
-   ret = BuildUlTnlInfoforSetupMod(ueId, &drbItem->uLUPTNLInformation_ToBeSetup_List,\
+   ret = BuildUlTnlInfoforSetupMod(ueId, drbItem->dRBID, &drbItem->uLUPTNLInformation_ToBeSetup_List,\
             ProtocolIE_ID_id_DRBs_ToBeModified_Item);
    if(ret != ROK)
    {
@@ -7746,12 +7906,12 @@ uint8_t FillDrbToBeModItem(uint8_t ueId, DRBs_ToBeModified_Item_t *drbItem)
 *
 * ****************************************************************/
 
-uint8_t FillDrbToBeModItemList(uint8_t ueId, struct DRBs_ToBeModified_ItemIEs *drbItemIe)
+uint8_t FillDrbToBeModItemList(uint8_t ueId, uint8_t arrIdx, struct DRBs_ToBeModified_ItemIEs *drbItemIe)
 {
    drbItemIe->id = ProtocolIE_ID_id_DRBs_ToBeModified_Item;
    drbItemIe->criticality = Criticality_reject;
    drbItemIe->value.present = DRBs_ToBeModified_ItemIEs__value_PR_DRBs_ToBeModified_Item;
-   if(FillDrbToBeModItem(ueId, &(drbItemIe->value.choice.DRBs_ToBeModified_Item)) != ROK)
+   if(FillDrbToBeModItem(ueId, arrIdx, &(drbItemIe->value.choice.DRBs_ToBeModified_Item)) != ROK)
    {
       DU_LOG("\nERROR  -->  F1AP : FillDrbToBeModItem failed"); 
       return RFAILED;
@@ -7783,7 +7943,7 @@ uint8_t BuildDrbToBeModifiedList(uint8_t ueId, DRBs_ToBeModified_List_t *drbSet)
    uint8_t arrIdx =0;
    uint8_t drbCnt =0;
 
-   drbCnt = 1;
+   drbCnt = MAX_DRB_MODIFIED_UE_MOD_REQ;
    drbSet->list.count = drbCnt;
    drbSet->list.size = drbCnt * sizeof(DRBs_ToBeModified_ItemIEs_t *);
    CU_ALLOC(drbSet->list.array, drbSet->list.size);
@@ -7798,15 +7958,14 @@ uint8_t BuildDrbToBeModifiedList(uint8_t ueId, DRBs_ToBeModified_List_t *drbSet)
       if(drbSet->list.array[arrIdx] == NULLP)
       {
          DU_LOG("\nERROR  -->  F1AP : Memory allocation failed in BuildDrbToBeSetupList");
-        return  RFAILED;
+         return  RFAILED;
       }
-   }
 
-   arrIdx=0;
-   ret = FillDrbToBeModItemList(ueId, (DRBs_ToBeModified_ItemIEs_t *)drbSet->list.array[arrIdx]);
-   if(ret != ROK)
-   {
-      DU_LOG("\nERROR  -->  F1AP : FillDrbToBeModItemList failed");
+      ret = FillDrbToBeModItemList(ueId, arrIdx, (DRBs_ToBeModified_ItemIEs_t *)drbSet->list.array[arrIdx]);
+      if(ret != ROK)
+      {
+         DU_LOG("\nERROR  -->  F1AP : FillDrbToBeModItemList failed");
+      }
    }
 
    return ret;
@@ -7996,6 +8155,7 @@ void FreeUeContextModicationRequest(F1AP_PDU_t *f1apMsg)
       CU_FREE(f1apMsg, sizeof(F1AP_PDU_t));
    }
 }
+
 /*******************************************************************
  *
  * @brief Builds the Ue Context Modification Req 
@@ -8028,8 +8188,8 @@ uint8_t BuildAndSendUeContextModificationReq(uint8_t ueId)
       CU_ALLOC(f1apMsg, sizeof(F1AP_PDU_t));
       if(f1apMsg == NULLP)
       {
-        DU_LOG("\nERROR  -->  F1AP : Memory allocation for F1AP-PDU failed Ue context modification");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation for F1AP-PDU failed Ue context modification");
+         break;
       }
 
       f1apMsg->present =  F1AP_PDU_PR_initiatingMessage;
@@ -8037,8 +8197,8 @@ uint8_t BuildAndSendUeContextModificationReq(uint8_t ueId)
       CU_ALLOC(f1apMsg->choice.initiatingMessage, sizeof(InitiatingMessage_t));
       if(f1apMsg->choice.initiatingMessage == NULLP)
       {
-        DU_LOG("\nERROR  -->  F1AP : Memory allocation for F1AP-PDU failed Ue context modification");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation for F1AP-PDU failed Ue context modification");
+         break;
       }
       f1apMsg->choice.initiatingMessage->procedureCode = ProcedureCode_id_UEContextModification;
       f1apMsg->choice.initiatingMessage->criticality = Criticality_reject;
@@ -8054,18 +8214,18 @@ uint8_t BuildAndSendUeContextModificationReq(uint8_t ueId)
       CU_ALLOC(ueContextModifyReq->protocolIEs.list.array, ueContextModifyReq->protocolIEs.list.size);
       if(ueContextModifyReq->protocolIEs.list.array == NULLP)
       { 
-        DU_LOG("\nERROR  -->  F1AP : Memory allocation for UE context modifcation Request failed");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Memory allocation for UE context modifcation Request failed");
+         break;
       }
 
       for(ieIdx=0 ; ieIdx<elementCnt; ieIdx++)
       {
-        CU_ALLOC(ueContextModifyReq->protocolIEs.list.array[ieIdx], sizeof(UEContextModificationRequest_t));
-        if(ueContextModifyReq->protocolIEs.list.array[ieIdx] == NULLP)
-        {
-           DU_LOG("\nERROR  -->  F1AP : Memory allocation for UE context modifcation Request failed");
-           break;
-        }
+         CU_ALLOC(ueContextModifyReq->protocolIEs.list.array[ieIdx], sizeof(UEContextModificationRequest_t));
+         if(ueContextModifyReq->protocolIEs.list.array[ieIdx] == NULLP)
+         {
+            DU_LOG("\nERROR  -->  F1AP : Memory allocation for UE context modifcation Request failed");
+            break;
+         }
       }
 
 
@@ -8088,21 +8248,21 @@ uint8_t BuildAndSendUeContextModificationReq(uint8_t ueId)
       ueContextModifyReq->protocolIEs.list.array[ieIdx]->id = ProtocolIE_ID_id_DRBs_ToBeSetupMod_List;
       ueContextModifyReq->protocolIEs.list.array[ieIdx]->criticality = Criticality_reject;
       ueContextModifyReq->protocolIEs.list.array[ieIdx]->value.present =\
-         UEContextModificationRequestIEs__value_PR_DRBs_ToBeSetupMod_List;
+                                                                        UEContextModificationRequestIEs__value_PR_DRBs_ToBeSetupMod_List;
       ret = BuildDrbToBeSetupList(ueId, &(ueContextModifyReq->protocolIEs.list.array[ieIdx]->\
-         value.choice.DRBs_ToBeSetupMod_List));
+               value.choice.DRBs_ToBeSetupMod_List));
 
       /* DRB to be modified list */
       ieIdx++;
       ueContextModifyReq->protocolIEs.list.array[ieIdx]->id = ProtocolIE_ID_id_DRBs_ToBeModified_List;
       ueContextModifyReq->protocolIEs.list.array[ieIdx]->criticality = Criticality_reject;
       ueContextModifyReq->protocolIEs.list.array[ieIdx]->value.present =\
-         UEContextModificationRequestIEs__value_PR_DRBs_ToBeModified_List;
+                                                                        UEContextModificationRequestIEs__value_PR_DRBs_ToBeModified_List;
       ret = BuildDrbToBeModifiedList(ueId, &(ueContextModifyReq->protocolIEs.list.array[ieIdx]->\
-         value.choice.DRBs_ToBeModified_List));
+               value.choice.DRBs_ToBeModified_List));
 
       /* TODO: DRB to be release list */
-         
+
       if(ret != ROK)
       {
          break;
@@ -8113,28 +8273,29 @@ uint8_t BuildAndSendUeContextModificationReq(uint8_t ueId)
       memset(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 ueContextModifyReq structure (at %s)\n",\
-              encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Could not encode ueContextModifyReq structure (at %s)\n",\
+               encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+         break;
       }
       else
       {
-        DU_LOG("\nDEBUG  -->  F1AP : Created APER encodedbuffer for ueContextModifyReq\n");
-        for(ieIdx=0; ieIdx< encBufSize; ieIdx++)
-        {
-           DU_LOG("%x",encBuf[ieIdx]);
-        }
+         DU_LOG("\nDEBUG  -->  F1AP : Created APER encodedbuffer for ueContextModifyReq\n");
+         for(ieIdx=0; ieIdx< encBufSize; ieIdx++)
+         {
+            DU_LOG("%x",encBuf[ieIdx]);
+         }
       }
 
-      if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL) != ROK)
+      /* TODO : Hardcoding DU ID to 1 for messages other than F1 Setup Response. This will be made generic in future gerrit */
+      if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL, DU_ID) != ROK)
       {
-        DU_LOG("\nERROR  -->  F1AP : Sending Ue context modification request  failed");
-        break;
+         DU_LOG("\nERROR  -->  F1AP : Sending Ue context modification request  failed");
+         break;
       }
 
       ret = ROK;
@@ -8145,7 +8306,7 @@ uint8_t BuildAndSendUeContextModificationReq(uint8_t ueId)
    return ret;
 }
 /*****************************************************************i
-*
+ *
 * @brief Free memory allocated for UE Context Release Command  
 *
 * @details
@@ -8324,7 +8485,8 @@ uint8_t BuildAndSendUeContextReleaseCommand(uint8_t cuUeF1apId, uint8_t duUeF1ap
          }
       }
 
-      if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL) != ROK)
+      /* TODO : Hardcoding DU ID to 1 for messages other than F1 Setup Response. This will be made generic in future gerrit */
+      if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL, DU_ID) != ROK)
       {
          DU_LOG("\nERROR  -->  F1AP : Sending Ue context Release Command failed");
          break;
@@ -8401,7 +8563,7 @@ uint8_t procUeContextReleaseReq(F1AP_PDU_t *f1apMsg)
 *         RFAILED - failure
 *
 * ****************************************************************/
-uint8_t procGnbDuUpdate(F1AP_PDU_t *f1apMsg)
+uint8_t procGnbDuUpdate(uint32_t duId, F1AP_PDU_t *f1apMsg)
 {
    bool cellToBeDelete = false;
    uint8_t ieIdx = 0, ueIdx = 0;
@@ -8425,11 +8587,14 @@ uint8_t procGnbDuUpdate(F1AP_PDU_t *f1apMsg)
             break;
       }
    }
-   if(BuildAndSendDUUpdateAck() != ROK)
+   if(BuildAndSendDUUpdateAck(duId) != ROK)
    {
       DU_LOG("ERROR  -->  F1AP : Failed to build and send DUUpdateAck");  
       return RFAILED;
    }
+#if 0
+   /* We don't require F1 Reset message in Cell Up and Broadcast Procedure flow, So that's why
+    * commented this trigger for now */
 
    if(cellToBeDelete == false)
    {
@@ -8440,7 +8605,8 @@ uint8_t procGnbDuUpdate(F1AP_PDU_t *f1apMsg)
          return RFAILED;
       }
    }
-   else
+#endif
+   if(cellToBeDelete == true) 
    {
       for(ueIdx = 0; ueIdx < MAX_NUM_UE; ueIdx++)
       {
@@ -8476,25 +8642,25 @@ uint8_t buildSliceList(SliceSupportList_t *sliceSupportList)
    {
       if(sliceSupportList->list.array)
       {
-         cuCfgParams.numSnssaiSupported = sliceSupportList->list.count;
+         cuCb.numSnssaiSupported = sliceSupportList->list.count;
          for(sliceListIdx=0; sliceListIdx<sliceSupportList->list.count; sliceListIdx++)
          {
             if(sliceSupportList->list.array[sliceListIdx])
             {
-               CU_ALLOC(cuCfgParams.snssaiList[sliceListIdx], sizeof(Snssai)); 
-               if(cuCfgParams.snssaiList[sliceListIdx] == NULLP)
+               CU_ALLOC(cuCb.snssaiList[sliceListIdx], sizeof(Snssai)); 
+               if(cuCb.snssaiList[sliceListIdx] == NULLP)
                {
                    DU_LOG("\nERROR  --> CU_STUB: buildSliceList(): Memory allocation failed");
                    return RFAILED;
                }
                if(sliceSupportList->list.array[sliceListIdx]->sNSSAI.sST.buf)
                {
-                  memcpy(&cuCfgParams.snssaiList[sliceListIdx]->sst, sliceSupportList->list.array[sliceListIdx]->\
+                  memcpy(&cuCb.snssaiList[sliceListIdx]->sst, sliceSupportList->list.array[sliceListIdx]->\
                   sNSSAI.sST.buf, sliceSupportList->list.array[sliceListIdx]->sNSSAI.sST.size);
                }
                if(sliceSupportList->list.array[sliceListIdx]->sNSSAI.sD->size)
                {
-                  memcpy(&cuCfgParams.snssaiList[sliceListIdx]->sd,\
+                  memcpy(&cuCb.snssaiList[sliceListIdx]->sd,\
                   sliceSupportList->list.array[sliceListIdx]->sNSSAI.sD->buf,\
                   sliceSupportList->list.array[sliceListIdx]->sNSSAI.sD->size);
                }
@@ -8667,9 +8833,11 @@ uint8_t procUeContextModificationResponse(F1AP_PDU_t *f1apMsg)
 *         RFAILED - failure
 *
 * ****************************************************************/
-void procF1SetupReq(F1AP_PDU_t *f1apMsg)
+void procF1SetupReq(uint32_t *destDuId, F1AP_PDU_t *f1apMsg)
 {
-   uint8_t ieIdx = 0, plmnidx=0, ret=ROK;
+   uint8_t ieIdx = 0, plmnidx=0, duIdx = 0, ret=ROK;
+   uint32_t duId;
+   BIT_STRING_t nrcellIdentity;
    F1SetupRequest_t *f1SetupReq = NULLP;
    GNB_DU_Served_Cells_Item_t *srvCellItem = NULLP; 
    GNB_DU_Served_Cells_List_t *duServedCell = NULLP;
@@ -8679,6 +8847,31 @@ void procF1SetupReq(F1AP_PDU_t *f1apMsg)
    {
       switch(f1SetupReq->protocolIEs.list.array[ieIdx]->id)
       {
+         case ProtocolIE_ID_id_gNB_DU_ID:
+           {
+              duId = f1SetupReq->protocolIEs.list.array[ieIdx]->value.choice.GNB_DU_ID.buf[0];
+              for(duIdx=0; duIdx < cuCb.numDu; duIdx++)
+              {
+                 if(cuCb.duInfo[duIdx].duId == duId)
+                    break;
+              }
+              if(duIdx >= cuCb.numDu)
+              {
+                 cuCb.duInfo[cuCb.numDu].duId = duId;
+                 cuCb.numDu++;
+                 *destDuId = duId;
+              }
+              break;
+           }
+         case ProtocolIE_ID_id_gNB_DU_Name:
+           {
+              if(cuCb.duInfo[cuCb.numDu-1].duId == duId)
+              {
+                 strcpy((char *)cuCb.duInfo[cuCb.numDu-1].duName, (char*)f1SetupReq->protocolIEs.list.array[ieIdx]->\
+                    value.choice.GNB_DU_Name.buf);
+              }
+              break;
+           }
          case ProtocolIE_ID_id_gNB_DU_Served_Cells_List:
            {
                duServedCell = &f1SetupReq->protocolIEs.list.array[ieIdx]->value.choice.GNB_DU_Served_Cells_List;
@@ -8694,6 +8887,7 @@ void procF1SetupReq(F1AP_PDU_t *f1apMsg)
                            {
                               srvCellItem =  &duServedCell->list.array[plmnidx]->value.choice.GNB_DU_Served_Cells_Item;
                               ret = procServedCellPlmnList(&srvCellItem->served_Cell_Information.servedPLMNs);
+                              memcpy(&nrcellIdentity, &srvCellItem->served_Cell_Information.nRCGI.nRCellIdentity, sizeof(BIT_STRING_t));
                            }
                         }
                      }
@@ -8704,7 +8898,7 @@ void procF1SetupReq(F1AP_PDU_t *f1apMsg)
    }
    if(ret == ROK)
    {
-      BuildAndSendF1SetupRsp();
+      BuildAndSendF1SetupRsp(duId, &nrcellIdentity);
    }
    else
    {
@@ -8729,7 +8923,7 @@ void procF1SetupReq(F1AP_PDU_t *f1apMsg)
  *         RFAILED - failure
  *
  * ****************************************************************/
-void F1APMsgHdlr(Buffer *mBuf)
+void F1APMsgHdlr(uint32_t *duId, Buffer *mBuf)
 {
    int i;
    char *recvBuf;
@@ -8794,14 +8988,14 @@ void F1APMsgHdlr(Buffer *mBuf)
                case InitiatingMessage__value_PR_F1SetupRequest:
                   {
                      DU_LOG("\nINFO  -->  F1AP : F1 setup request received");
-                     procF1SetupReq(f1apMsg);
+                     procF1SetupReq(duId, f1apMsg);
                      break;
                   }
 
                case InitiatingMessage__value_PR_GNBDUConfigurationUpdate:
                   {
                      DU_LOG("\nINFO  -->  F1AP : GNB-DU config update received");
-                     procGnbDuUpdate(f1apMsg);
+                     procGnbDuUpdate(*duId, f1apMsg);
                      break;
                   }
                case InitiatingMessage__value_PR_InitialULRRCMessageTransfer: