[Issue Id-ODUHIGH-457] Fixes related to memory leak
[o-du/l2.git] / src / 5gnrsch / sch_ue_mgr.c
index f1de4f4..2dcbee0 100644 (file)
@@ -50,6 +50,7 @@ SchCellDeleteRspFunc SchCellDeleteRspOpts[]=
    MacProcSchCellDeleteRsp,   /* TC */
    packSchCellDeleteRsp       /* LWLC */
 };
+
 /*******************************************************************
  *
  * @brief Fill and send UE cfg response to MAC
@@ -71,8 +72,8 @@ void SchSendUeCfgRspToMac(uint16_t event, SchUeCfg *ueCfg, Inst inst,\
    Pst rspPst;
 
    cfgRsp->cellId = ueCfg->cellId;
+   cfgRsp->ueId = ueCfg->ueId;
    cfgRsp->crnti = ueCfg->crnti;
-   GET_UE_IDX(ueCfg->crnti, cfgRsp->ueIdx);
    cfgRsp->rsp = result;   
 
    /* Filling response post */
@@ -171,79 +172,54 @@ void fillSchUlLcCtxt(SchUlLcCtxt *ueCbLcCfg, SchLcCfg *lcCfg)
 
 /*******************************************************************
  *
- * @brief Function to update Sch Ul Lc Cb
+ * @brief Function to update/allocate dedLC Info
  *
  * @details
  *
- *    Function : updateSchUlCb
+ *    Function : updateDedLcInfo
  *
- *    Functionality: Function to update SCH Ul Lc Cb
+ *    Functionality: Function to fill DLDedLcInfo
  *
- * @returns void
+ * @params[arg] scheduler instance,
+ *              snssai pointer,
+ *              SchRrmPolicy pointer,
+ *              SchLcPrbEstimate pointer , It will be filled
+ *              isDedicated pointer,(Address of isDedicated flag in LC Context)
  *
- * ****************************************************************/
-
-void updateSchUlCb(uint8_t delIdx, SchUlCb *ulInfo)
-{
-   uint8_t lcIdx = 0;
-
-   for(lcIdx = delIdx; lcIdx < ulInfo->numUlLc; lcIdx++)
-   {
-      memcpy(&ulInfo->ulLcCtxt[lcIdx], &ulInfo->ulLcCtxt[lcIdx+1], sizeof(SchUlLcCtxt));
-      memset(&ulInfo->ulLcCtxt[lcIdx+1], 0, sizeof(SchUlLcCtxt));
-   }
-   /*Leakage of Last Index*/
-   /*Last index of ulLcCtxt(before deletion) should be void*/
-   if(ulInfo->ulLcCtxt[ulInfo->numUlLc].snssai != NULLP)
-   {
-      DU_LOG("ERROR  --> SCH: updateSchUlCb Last index:%d (Before Deletion) memory is leaking",\
-            ulInfo->numUlLc);
-      SCH_FREE(ulInfo->ulLcCtxt[ulInfo->numUlLc].snssai, sizeof(Snssai));
-   }
-   else
-   {
-      DU_LOG("INFO  --> SCH: updateSchUlCb Last index:%d (before deletion) memory is freed successfully",\
-            ulInfo->numUlLc);
-
-   }
-}
-
-/*******************************************************************
- *
- * @brief Function to update SCH Dl Lc Cb
- *
- * @details
- *
- *    Function : updateSchDlCb
- *
- *    Functionality: Function to update SCH DL Lc Cb
- *
- * @returns void
+ * @return ROK      >> This LC is part of RRM MemberList.
+ *         RFAILED  >> FATAL Error
+ *         ROKIGNORE >> This LC is not part of this RRM MemberList 
  *
  * ****************************************************************/
 
-void updateSchDlCb(uint8_t delIdx, SchDlCb *dlInfo)
+uint8_t updateDedLcInfo(Inst inst, Snssai *snssai, uint16_t *rsvdDedicatedPRB, bool *isDedicated)
 {
-   uint8_t lcIdx = 0;
+   uint8_t sliceCfgIdx =0;
+   SchSliceCfg sliceCfg = schCb[inst].sliceCfg;
 
-   for(lcIdx = delIdx; lcIdx < dlInfo->numDlLc; lcIdx++)
-   {
-      memcpy(&dlInfo->dlLcCtxt[lcIdx], &dlInfo->dlLcCtxt[lcIdx+1], sizeof(SchDlLcCtxt));
-      memset(&dlInfo->dlLcCtxt[lcIdx+1], 0, sizeof(SchDlLcCtxt));
-   }
-   /*Leakage of Last Index*/
-   /*Last index of ulLcCtxt(before deletion) should be void*/
-   if(dlInfo->dlLcCtxt[dlInfo->numDlLc].snssai != NULLP)
-   {
-      DU_LOG("ERROR  --> SCH: updateSchDlCb Last index:%d (before deletion) memory is leaking: Delete the S-NSSAI memory",\
-            dlInfo->numDlLc);
-      SCH_FREE(dlInfo->dlLcCtxt[dlInfo->numDlLc].snssai, sizeof(Snssai));
-   }
-   else
+   if(sliceCfg.numOfSliceConfigured)
    {
-      DU_LOG("INFO  --> SCH: updateSchDlCb Last index:%d (before deletion) memory is freed successfully",\
-            dlInfo->numDlLc);
+      for(sliceCfgIdx = 0; sliceCfgIdx<sliceCfg.numOfSliceConfigured; sliceCfgIdx++)
+      {
+         if(memcmp(snssai, &(sliceCfg.listOfConfirguration[sliceCfgIdx]->snssai), sizeof(Snssai)) == 0)
+         {
+            if(sliceCfg.listOfConfirguration[sliceCfgIdx]->rrmPolicyRatioInfo)
+            {
+               /*Updating latest RrmPolicy*/
+                *rsvdDedicatedPRB = \
+               (uint16_t)(((sliceCfg.listOfConfirguration[sliceCfgIdx]->rrmPolicyRatioInfo->policyDedicatedRatio)*(MAX_NUM_RB))/100);
+               *isDedicated = TRUE;
+               DU_LOG("\nINFO  -->  SCH : Updated RRM policy, reservedPOOL:%d",*rsvdDedicatedPRB);
+            }
+         }
+      }
+      /*case: This LcCtxt  is either a Default LC or this LC is part of someother RRM_MemberList*/
+      if(*isDedicated != TRUE) 
+      {
+         DU_LOG("\nINFO  -->  SCH : This SNSSAI is not a part of this RRMPolicy");
+      }
    }
+   return ROK;  
 }
 
 /*******************************************************************
@@ -256,20 +232,26 @@ void updateSchDlCb(uint8_t delIdx, SchDlCb *dlInfo)
  *
  *    Functionality: Function to fill SchUeCb
  *
- * @params[in] SchUeCb pointer,
+ * @params[in] Scheduler instance,
+ *             SchUeCb pointer,
  *             SchUeCfg pointer
  * @return ROK/RFAILED
  *
  * ****************************************************************/
 
-uint8_t fillSchUeCb(SchUeCb *ueCb, SchUeCfg *ueCfg)
+uint8_t fillSchUeCb(Inst inst, SchUeCb *ueCb, SchUeCfg *ueCfg)
 {
-   uint8_t   lcIdx, ueLcIdx;
+   uint8_t   lcIdx, ueLcIdx, idx;
+   uint8_t   freqDomainResource[FREQ_DOM_RSRC_SIZE] = {0};
    SchPdschCfgCmn pdschCfg;
    SchPucchDlDataToUlAck *dlDataToUlAck;
+   uint8_t retDL = ROK, retUL = ROK;
+   bool isLcIdValid = FALSE;
 
    ueCb->ueCfg.cellId = ueCfg->cellId;
+   ueCb->ueCfg.ueId = ueCfg->ueId;
    ueCb->ueCfg.crnti = ueCfg->crnti;
+   ueCb->ueCfg.dataTransmissionAction = ueCfg->dataTransmissionInfo;
    if(ueCfg->macCellGrpCfgPres == true)
    {
       memcpy(&ueCb->ueCfg.macCellGrpCfg , &ueCfg->macCellGrpCfg, sizeof(SchMacCellGrpCfg)); 
@@ -284,7 +266,26 @@ uint8_t fillSchUeCb(SchUeCb *ueCb, SchUeCfg *ueCfg)
 
    if(ueCfg->spCellCfgPres == true)
    {
+      if(ueCfg->spCellCfg.servCellCfg.initDlBwp.pdschCfgPres == true)
+      {
+         if(ueCb->ueCfg.spCellCfgPres && ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.pdschCfgPres == true)
+         {
+            for(idx = 0; idx < ueCfg->spCellCfg.servCellCfg.initDlBwp.pdschCfg.numTimeDomRsrcAlloc; idx++)
+            {
+               if(ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.pdschCfg.timeDomRsrcAllociList[idx].k0 && ueCfg->spCellCfg.servCellCfg.initDlBwp.pdschCfg.timeDomRsrcAllociList[idx].k0)
+               {
+                   SCH_FREE(ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.pdschCfg.timeDomRsrcAllociList[idx].k0, sizeof(uint8_t));  
+               }
+            }
+         }
+      }
       memcpy(&ueCb->ueCfg.spCellCfg , &ueCfg->spCellCfg, sizeof(SchSpCellCfg));
+
+      covertFreqDomRsrcMapToIAPIFormat(ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.pdcchCfg.cRSetToAddModList[0].freqDomainRsrc,\
+            freqDomainResource);
+      memset(ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.pdcchCfg.cRSetToAddModList[0].freqDomainRsrc, 0, FREQ_DOM_RSRC_SIZE);
+      memcpy(ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.pdcchCfg.cRSetToAddModList[0].freqDomainRsrc, freqDomainResource, FREQ_DOM_RSRC_SIZE);
+
       ueCb->ueCfg.spCellCfgPres = true;
       dlDataToUlAck = ueCfg->spCellCfg.servCellCfg.initUlBwp.pucchCfg.dlDataToUlAck;
       if(ueCb->cellCb)
@@ -294,14 +295,15 @@ uint8_t fillSchUeCb(SchUeCb *ueCb, SchUeCfg *ueCfg)
             BuildK0K1Table(ueCb->cellCb, &ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.k0K1InfoTbl, false, pdschCfg,\
                   ueCfg->spCellCfg.servCellCfg.initDlBwp.pdschCfg, dlDataToUlAck->dlDataToUlAckListCount,\
                   dlDataToUlAck->dlDataToUlAckList);
+            ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.k0K1TblPrsnt = true;
             BuildK2InfoTable(ueCb->cellCb, ueCfg->spCellCfg.servCellCfg.initUlBwp.puschCfg.timeDomRsrcAllocList,\
                   ueCfg->spCellCfg.servCellCfg.initUlBwp.puschCfg.numTimeDomRsrcAlloc,\
                   NULLP, &ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.k2InfoTbl);
+                  ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.k2TblPrsnt = true;
          }
       }
    }
 
-   ueCb->state = SCH_UE_STATE_ACTIVE;
    if(ueCfg->ambrCfg)
    {
       SCH_FREE(ueCb->ueCfg.ambrCfg, sizeof(SchAmbrCfg));
@@ -309,59 +311,108 @@ uint8_t fillSchUeCb(SchUeCb *ueCb, SchUeCfg *ueCfg)
    }
    memcpy(&ueCb->ueCfg.dlModInfo,  &ueCfg->dlModInfo , sizeof(SchModulationInfo));
    memcpy(&ueCb->ueCfg.ulModInfo,  &ueCfg->ulModInfo , sizeof(SchModulationInfo));
-
    //Updating SchUlCb and SchDlCb DB in SchUeCb
    for(lcIdx = 0; lcIdx < ueCfg->numLcs; lcIdx++)
    {
+      isLcIdValid = FALSE; /*Re-Initializing*/
+
+      ueLcIdx = ueCfg->schLcCfg[lcIdx].lcId;
+      CHECK_LCID(ueLcIdx, isLcIdValid);
+      if(isLcIdValid == FALSE)
+      {
+         DU_LOG("ERROR --> SCH: LCID:%d is not Valid",ueLcIdx);
+         continue;
+      }
       if(ueCfg->schLcCfg[lcIdx].configType == CONFIG_ADD)
       {
-         fillSchUlLcCtxt(&ueCb->ulInfo.ulLcCtxt[ueCb->ulInfo.numUlLc], &ueCfg->schLcCfg[lcIdx]);
-         ueCb->ulInfo.numUlLc++;
-         fillSchDlLcCtxt(&ueCb->dlInfo.dlLcCtxt[ueCb->dlInfo.numDlLc], &ueCfg->schLcCfg[lcIdx]);
-         ueCb->dlInfo.numDlLc++;
+         fillSchUlLcCtxt(&ueCb->ulInfo.ulLcCtxt[ueLcIdx], &ueCfg->schLcCfg[lcIdx]);
+         fillSchDlLcCtxt(&ueCb->dlInfo.dlLcCtxt[ueLcIdx], &ueCfg->schLcCfg[lcIdx]);
+
+         /*Checking whether this LC belong to Dedicated S-NSSAI 
+          * and Create the Dedicated LC List & Update the Reserve PRB number*/
+         if(ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai != NULLP)
+         {
+            retDL = updateDedLcInfo(inst, ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai, &(ueCb->dlInfo.dlLcCtxt[ueLcIdx].rsvdDedicatedPRB),\
+                  &(ueCb->dlInfo.dlLcCtxt[ueLcIdx].isDedicated));
+         }
+         if(ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai != NULLP)
+         {
+            retUL =  updateDedLcInfo(inst, ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai, &(ueCb->ulInfo.ulLcCtxt[ueLcIdx].rsvdDedicatedPRB),\
+                  &(ueCb->ulInfo.ulLcCtxt[ueLcIdx].isDedicated));
+         }
+
+         if(retUL == RFAILED  || retDL == RFAILED)/*FATAL error*/
+         {
+            DU_LOG("\nERROR  -->  SCH : Failure in updateDedLcInfo");
+            return RFAILED;
+         }
       }
       else
       {
-         for(ueLcIdx = 0; ueLcIdx < ueCb->ulInfo.numUlLc; ueLcIdx++) //searching for Lc to be Mod
+         if(ueCb->ulInfo.ulLcCtxt[ueLcIdx].lcId == ueCfg->schLcCfg[lcIdx].lcId)
          {
-            if(ueCb->ulInfo.ulLcCtxt[ueLcIdx].lcId == ueCfg->schLcCfg[lcIdx].lcId)
+            if(ueCfg->schLcCfg[lcIdx].configType == CONFIG_MOD)
+            {
+               fillSchUlLcCtxt(&ueCb->ulInfo.ulLcCtxt[ueLcIdx], &ueCfg->schLcCfg[lcIdx]);
+               /*Updating the RRM reserved pool PRB count*/
+               if(ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai != NULLP)
+               {
+                  retUL =  updateDedLcInfo(inst, ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai, &(ueCb->ulInfo.ulLcCtxt[ueLcIdx].rsvdDedicatedPRB),\
+                        &(ueCb->ulInfo.ulLcCtxt[ueLcIdx].isDedicated));
+               }
+               if(retUL == RFAILED)
+               {
+                  DU_LOG("\nERROR  -->  SCH : Failed in updating Ded Lc info");
+                  return RFAILED;
+               }
+            }
+            if(ueCfg->schLcCfg[lcIdx].configType == CONFIG_DEL)
             {
-               if(ueCfg->schLcCfg[lcIdx].configType == CONFIG_MOD)
+               /*Delete the LC node from the UL LC List*/
+               if(ueCb->ulInfo.ulLcCtxt[ueLcIdx].isDedicated)
                {
-                  fillSchUlLcCtxt(&ueCb->ulInfo.ulLcCtxt[ueLcIdx], &ueCfg->schLcCfg[lcIdx]);
-                  break;
+                   /*Remove from HARQ Transmission or retransmission*/
                }
-               /*BUG: ueCfg using lcIdx (Looping around numLCs in ueCfg whereas
-                * ueLcIdx Loops around numUlLc in SCH UL DB*/
-               if(ueCfg->schLcCfg[lcIdx].configType == CONFIG_DEL)
+               else/*Default LC list*/
                {
-                  memset(&ueCb->ulInfo.ulLcCtxt[ueLcIdx], 0, sizeof(SchUlLcCtxt));
-                  ueCb->ulInfo.numUlLc--;
-                  updateSchUlCb(ueLcIdx, &ueCb->ulInfo); //moving arr elements one idx ahead
 
-                  break;
                }
+               SCH_FREE(ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai, sizeof(Snssai));
+               memset(&ueCb->ulInfo.ulLcCtxt[ueLcIdx], 0, sizeof(SchUlLcCtxt));
             }
-         }/*End of inner for loop */
+         }/*End of UL LC Ctxt*/
 
-         for(ueLcIdx = 0; ueLcIdx < ueCb->dlInfo.numDlLc; ueLcIdx++) //searching for Lc to be Mod
+         if(ueCb->dlInfo.dlLcCtxt[ueLcIdx].lcId == ueCfg->schLcCfg[lcIdx].lcId)
          {
-            if(ueCb->dlInfo.dlLcCtxt[ueLcIdx].lcId == ueCfg->schLcCfg[lcIdx].lcId)
+            if(ueCfg->schLcCfg[lcIdx].configType == CONFIG_MOD)
             {
-               if(ueCfg->schLcCfg[lcIdx].configType == CONFIG_MOD)
+               fillSchDlLcCtxt(&ueCb->dlInfo.dlLcCtxt[ueLcIdx], &ueCfg->schLcCfg[lcIdx]);
+               /*Updating the RRM policy*/
+               if(ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai != NULLP)
                {
-                  fillSchDlLcCtxt(&ueCb->dlInfo.dlLcCtxt[ueLcIdx], &ueCfg->schLcCfg[lcIdx]);
-                  break;
+                  retDL = updateDedLcInfo(inst, ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai, &(ueCb->dlInfo.dlLcCtxt[ueLcIdx].rsvdDedicatedPRB), \
+                        &(ueCb->dlInfo.dlLcCtxt[ueLcIdx].isDedicated));
                }
-               if(ueCfg->schLcCfg[lcIdx].configType == CONFIG_DEL)
+               if(retDL == RFAILED)
                {
-                  memset(&ueCb->dlInfo.dlLcCtxt[ueLcIdx], 0, sizeof(SchDlLcCtxt));
-                  ueCb->dlInfo.numDlLc--;
-                  updateSchDlCb(ueLcIdx, &ueCb->dlInfo); //moving arr elements one idx ahead
-                  break;
+                  DU_LOG("\nERROR  -->  SCH : Failed in updating Ded Lc info");
+                  return RFAILED;
                }
             }
-         }/*End of inner for loop */
+            if(ueCfg->schLcCfg[lcIdx].configType == CONFIG_DEL)
+            {
+               /*Delete the LC node from the DL LC List*/
+               if(ueCb->dlInfo.dlLcCtxt[ueLcIdx].isDedicated)
+               {
+                  /*Remove from HARQ Transmission or retransmission*/
+               }
+               else
+               {
+               }
+               SCH_FREE(ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai, sizeof(Snssai));
+               memset(&ueCb->dlInfo.dlLcCtxt[ueLcIdx], 0, sizeof(SchDlLcCtxt));
+            }
+         }/*End of DL LC ctxt*/
       }
 
       SCH_FREE(ueCfg->schLcCfg[lcIdx].drbQos, sizeof(SchDrbQosInfo));
@@ -436,11 +487,11 @@ SchCellCb *getSchCellCb(uint16_t srcEvent, Inst inst, SchUeCfg *ueCfg)
  * ****************************************************************/
 uint8_t MacSchAddUeConfigReq(Pst *pst, SchUeCfg *ueCfg)
 {
-   uint8_t ueIdx, lcIdx, ret = ROK;
+   uint8_t      lcIdx = 0, ret = ROK, idx = 0;
    SchCellCb    *cellCb = NULLP;
    SchUeCb      *ueCb = NULLP;
    SchUeCfgRsp  cfgRsp;
-   Inst         inst = pst->dstInst - 1;
+   Inst         inst = pst->dstInst - SCH_INST_START;
    memset(&cfgRsp, 0, sizeof(SchUeCfgRsp));
   
 #ifdef CALL_FLOW_DEBUG_LOG
@@ -456,37 +507,65 @@ uint8_t MacSchAddUeConfigReq(Pst *pst, SchUeCfg *ueCfg)
    cellCb = getSchCellCb(pst->event, inst, ueCfg);
 
    /* Search if UE already configured */
-   GET_UE_IDX(ueCfg->crnti, ueIdx);
-   ueCb = &cellCb->ueCb[ueIdx -1];
-   if(ueCb)
-   {
-      if((ueCb->crnti == ueCfg->crnti) && (ueCb->state == SCH_UE_STATE_ACTIVE))
-      {
-        DU_LOG("\nDEBUG  -->  SCH : CRNTI %d already configured ", ueCfg->crnti);
-        SchSendUeCfgRspToMac(pst->event, ueCfg, inst, RSP_OK, &cfgRsp);
-        return ROK;
-      }
-   }
-   else
+   ueCb = &cellCb->ueCb[ueCfg->ueId - 1];
+
+   if((ueCb->crnti == ueCfg->crnti) && (ueCb->state == SCH_UE_STATE_ACTIVE))
    {
-      DU_LOG("\nERROR  -->  SCH : SchUeCb not found at MacSchAddUeConfigReq() ");
-      SchSendUeCfgRspToMac(pst->event, ueCfg, inst, RSP_NOK, &cfgRsp);
-      return RFAILED;
+      DU_LOG("\nDEBUG  -->  SCH : CRNTI %d already configured ", ueCfg->crnti);
+      SchSendUeCfgRspToMac(pst->event, ueCfg, inst, RSP_OK, &cfgRsp);
+      return ROK;
    }
 
    /* Fill received Ue Configuration in UeCb */
    memset(ueCb, 0, sizeof(SchUeCb));
-   GET_UE_IDX(ueCfg->crnti, ueIdx);
-   ueCb->ueIdx = ueIdx;
+
+   ueCb->ueId = ueCfg->ueId;
    ueCb->crnti = ueCfg->crnti;
-   ueCb->state = SCH_UE_STATE_ACTIVE;
-   ret = fillSchUeCb(ueCb, ueCfg);
+   ueCb->cellCb = cellCb;
+   schUlHqEntInit(cellCb, &cellCb->ueCb[ueCfg->ueId-1]);
+   schDlHqEntInit(cellCb, &cellCb->ueCb[ueCfg->ueId-1]);
+   SCH_ALLOC(ueCb->hqDlmap, sizeof(SchHqDlMap*)*(ueCb->cellCb->numSlots));
+   SCH_ALLOC(ueCb->hqUlmap, sizeof(SchHqUlMap*)*(ueCb->cellCb->numSlots));
+
+   if ( (ueCb->hqDlmap == NULLP) || (ueCb->hqUlmap == NULLP) )
+   {
+      DU_LOG("\nINFO  -->  SCH : Memory Allocation Failed");
+      return RFAILED;
+   }
+   for (idx = 0; idx<ueCb->cellCb->numSlots; idx++)
+   {
+      SCH_ALLOC(ueCb->hqDlmap[idx], sizeof(SchHqDlMap));
+      SCH_ALLOC(ueCb->hqUlmap[idx], sizeof(SchHqUlMap));
+      
+      if ( (ueCb->hqDlmap[idx] == NULLP) || (ueCb->hqUlmap[idx] == NULLP) )
+      {
+         DU_LOG("\nINFO  -->  SCH : Memory Allocation Failed");
+         return RFAILED;
+      }
+      cmLListInit(&ueCb->hqDlmap[idx]->hqList);
+      cmLListInit(&ueCb->hqUlmap[idx]->hqList);
+   }
+   ret = fillSchUeCb(inst, ueCb, ueCfg);
+
    if(ret == ROK)
    {
-      cellCb->numActvUe++;
-      SET_ONE_BIT(ueCb->ueIdx, cellCb->actvUeBitMap);
-      ueCb->cellCb = cellCb;
+      /* If UE has initiated RACH and then UE context is created, it means UE is
+       * active now.
+       * Else if UE context is created before RACH, this means that UE is being
+       * handed-in from source DU */
+      if(cellCb->raCb[ueCb->ueId-1].tcrnti == ueCb->crnti)
+      {
+         cellCb->numActvUe++;
+         SET_ONE_BIT(ueCb->ueId, cellCb->actvUeBitMap);
+         ueCb->state = SCH_UE_STATE_ACTIVE;
+      }
+      else
+      {
+         ueCb->state = SCH_UE_HANDIN_IN_PROGRESS;
+      }
+
       ueCb->srRcvd = false;
+      ueCb->bsrRcvd = false;
       for(lcIdx=0; lcIdx<MAX_NUM_LOGICAL_CHANNEL_GROUPS; lcIdx++)
          ueCb->bsrInfo[lcIdx].dataVol = 0;
 
@@ -505,73 +584,207 @@ uint8_t MacSchAddUeConfigReq(Pst *pst, SchUeCfg *ueCfg)
 *
 *    Functionality: fills PUSCH info
 *
-* @params[in]
+* @params[in] SchUeCb *ueCb, SlotTimingInfo puschTime, uint32_t tbSize
+* @params[in] uint8_t startSymb, uint8_t symbLen, uint16_t startPrb
+* @params[in] bool isRetx, SchUlHqProcCb *hq
 * @return ROK     - success
 *         RFAILED - failure
 *
 * ****************************************************************/
-uint8_t schFillPuschAlloc(SchUeCb *ueCb, uint16_t pdcchSlot, uint32_t dataVol, SchPuschInfo *puschInfo)
+uint8_t schFillPuschAlloc(SchUeCb *ueCb, SlotTimingInfo puschTime, uint32_t tbSize, 
+                          uint8_t startSymb, uint8_t symbLen, uint16_t startPrb, bool isRetx, SchUlHqProcCb *hqP)
 {
-  uint16_t puschSlot      = 0;
-  uint16_t startRb        = 0;
   uint8_t  numRb          = 0;
-  uint16_t tbSize         = 0;
-  uint8_t  buffer         = 5;
-  uint8_t  idx            = 0;
-  SchCellCb *cellCb       = ueCb->cellCb;
+  SchCellCb *cellCb       = NULLP;
   SchUlSlotInfo *schUlSlotInfo = NULLP;
-  uint8_t k2=0, startSymb=0 , symbLen=11;
+  SchPuschInfo puschInfo;
   
-  if(ueCb->ueCfg.spCellCfgPres == true)
+  if(ueCb == NULLP)
   {
-     k2 = ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.puschCfg.timeDomRsrcAllocList[0].k2;
-     startSymb = ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.puschCfg.timeDomRsrcAllocList[0].startSymbol;
-     symbLen = ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.puschCfg.timeDomRsrcAllocList[0].symbolLength;
+    DU_LOG("\nERROR --> SCH: UE CB is empty");
+    return RFAILED;
   }
-  puschSlot = (pdcchSlot + k2) % cellCb->numSlots;
 
-  startRb = cellCb->schUlSlotInfo[puschSlot]->puschCurrentPrb;
-  tbSize  = schCalcTbSize(dataVol + buffer); /*  2 bytes header + some buffer */
-  numRb   = schCalcNumPrb(tbSize, ueCb->ueCfg.ulModInfo.mcsIndex, symbLen);
-  /* increment PUSCH PRB */
-
-  cellCb->schUlSlotInfo[puschSlot]->puschCurrentPrb += numRb;
-
-  puschInfo->crnti             = ueCb->crnti; 
-  puschInfo->harqProcId        = SCH_HARQ_PROC_ID;
-  puschInfo->resAllocType      = SCH_ALLOC_TYPE_1;
-  puschInfo->fdAlloc.startPrb  = startRb;
-  puschInfo->fdAlloc.numPrb    = numRb;
-  puschInfo->tdAlloc.startSymb = startSymb;
-  puschInfo->tdAlloc.numSymb   = symbLen;
-  puschInfo->tbInfo.qamOrder   = ueCb->ueCfg.ulModInfo.modOrder;
-  puschInfo->tbInfo.mcs        = ueCb->ueCfg.ulModInfo.mcsIndex;
-  puschInfo->tbInfo.mcsTable   = ueCb->ueCfg.ulModInfo.mcsTable;
-  puschInfo->tbInfo.ndi        = 1; /* new transmission */
-  puschInfo->tbInfo.rv         = 0;
-  puschInfo->tbInfo.tbSize     = tbSize;
-  puschInfo->dmrsMappingType   = DMRS_MAP_TYPE_A;  /* Setting Type-A */
-  puschInfo->nrOfDmrsSymbols   = NUM_DMRS_SYMBOLS;
-  puschInfo->dmrsAddPos        = DMRS_ADDITIONAL_POS;
-
-  /* Update pusch in cell */
-  for(idx=startSymb; idx<symbLen; idx++)
+  cellCb = ueCb->cellCb;
+  if(cellCb == NULLP)
   {
-     //cellCb->schUlSlotInfo[puschSlot]->assignedPrb[idx] = startRb + numRb;
+    DU_LOG("\nERROR --> SCH: CELL CB is empty");
+    return RFAILED;
   }
 
-  schUlSlotInfo = cellCb->schUlSlotInfo[puschSlot];
+  tbSize  +=  UL_TX_BUFFER_SIZE; /*  2 bytes header + some buffer */
+  numRb   = schCalcNumPrb(tbSize, ueCb->ueCfg.ulModInfo.mcsIndex, symbLen);
+  allocatePrbUl(cellCb, puschTime, startSymb, symbLen, &startPrb, numRb);
 
+   if (isRetx == FALSE)
+   {
+      puschInfo.crnti             = ueCb->crnti;
+      puschInfo.harqProcId        = SCH_HARQ_PROC_ID;
+      puschInfo.resAllocType      = SCH_ALLOC_TYPE_1;
+      puschInfo.fdAlloc.startPrb  = startPrb;
+      puschInfo.fdAlloc.numPrb    = numRb;
+      puschInfo.tdAlloc.startSymb = startSymb;
+      puschInfo.tdAlloc.numSymb   = symbLen;
+      puschInfo.tbInfo.qamOrder   = ueCb->ueCfg.ulModInfo.modOrder;
+      puschInfo.tbInfo.mcs        = ueCb->ueCfg.ulModInfo.mcsIndex;
+      puschInfo.tbInfo.mcsTable   = ueCb->ueCfg.ulModInfo.mcsTable;
+      puschInfo.tbInfo.ndi        = 1; /* new transmission */
+      puschInfo.tbInfo.rv         = 0;
+      puschInfo.tbInfo.tbSize     = tbSize;
+      puschInfo.dmrsMappingType   = DMRS_MAP_TYPE_A;  /* Setting Type-A */
+      puschInfo.nrOfDmrsSymbols   = NUM_DMRS_SYMBOLS;
+      puschInfo.dmrsAddPos        = DMRS_ADDITIONAL_POS;
+      hqP->puschResType = puschInfo.resAllocType;
+      hqP->puschStartPrb = puschInfo.fdAlloc.startPrb;
+      hqP->puschNumPrb = puschInfo.fdAlloc.numPrb;
+      hqP->strtSymbl = puschInfo.tdAlloc.startSymb;
+      hqP->numSymbl = puschInfo.tdAlloc.numSymb;
+      hqP->tbInfo.qamOrder = puschInfo.tbInfo.qamOrder;
+      hqP->tbInfo.iMcs = puschInfo.tbInfo.mcs;
+      hqP->tbInfo.mcsTable = puschInfo.tbInfo.mcsTable;
+      hqP->tbInfo.ndi = puschInfo.tbInfo.ndi;
+      hqP->tbInfo.rv = puschInfo.tbInfo.rv;
+      hqP->tbInfo.rvIdx = 0;
+      hqP->tbInfo.tbSzReq = puschInfo.tbInfo.tbSize;
+      hqP->dmrsMappingType = puschInfo.dmrsMappingType;
+      hqP->nrOfDmrsSymbols = puschInfo.nrOfDmrsSymbols;
+      hqP->dmrsAddPos = puschInfo.dmrsAddPos;
+   }
+   else
+   {
+      puschInfo.crnti             = ueCb->crnti;
+      puschInfo.harqProcId        = hqP->procId;
+      puschInfo.resAllocType      = hqP->puschResType;
+      puschInfo.fdAlloc.startPrb  = hqP->puschStartPrb;
+      puschInfo.fdAlloc.numPrb    = hqP->puschNumPrb;
+      puschInfo.tdAlloc.startSymb = hqP->strtSymbl;
+      puschInfo.tdAlloc.numSymb   = hqP->numSymbl;
+      puschInfo.tbInfo.qamOrder   = hqP->tbInfo.qamOrder;
+      puschInfo.tbInfo.mcs        = hqP->tbInfo.iMcs;
+      puschInfo.tbInfo.mcsTable   = hqP->tbInfo.mcsTable;
+      puschInfo.tbInfo.ndi        = hqP->tbInfo.ndi; /* retransmission */
+      hqP->tbInfo.rvIdx = (hqP->tbInfo.rvIdx +1) & 0x3;
+      puschInfo.tbInfo.rv         = schCmnDlRvTbl[hqP->tbInfo.rvIdx];
+      puschInfo.tbInfo.tbSize     = hqP->tbInfo.tbSzReq;
+      puschInfo.dmrsMappingType   = hqP->dmrsMappingType;  /* Setting Type-A */
+      puschInfo.nrOfDmrsSymbols   = hqP->nrOfDmrsSymbols;
+      puschInfo.dmrsAddPos        = hqP->dmrsAddPos;
+   }
+  schUlSlotInfo = cellCb->schUlSlotInfo[puschTime.slot];
   SCH_ALLOC(schUlSlotInfo->schPuschInfo, sizeof(SchPuschInfo));
   if(!schUlSlotInfo->schPuschInfo)
   {
      DU_LOG("\nERROR  -->  SCH: Memory allocation failed in schAllocMsg3Pusch");
      return RFAILED;
   }
-  memcpy(schUlSlotInfo->schPuschInfo, puschInfo, sizeof(SchPuschInfo));
+  memcpy(schUlSlotInfo->schPuschInfo, &puschInfo, sizeof(SchPuschInfo));
 
   return ROK;
 }
+/*******************************************************************
+*
+* @brief Fills UL DCI information for MSG3 retransmission
+*
+* @details
+*
+*    Function : schFillUlDciForMsg3Retx
+*
+*    Functionality: fills UL DCI information for MSG3 retransmission
+*
+* @params[in]
+* @return ROK     - success
+*         RFAILED - failure
+*
+* ****************************************************************/
+uint8_t schFillUlDciForMsg3Retx(SchRaCb *raCb, SchPuschInfo *puschInfo, DciInfo *dciInfo)
+{
+   SchCellCb         *cellCb  = raCb->cell;
+   dciInfo->cellId = cellCb->cellId;
+   dciInfo->crnti  = raCb->tcrnti;
+   SchUlHqProcCb *msg3HqProc = &raCb->msg3HqProc;
+   if (msg3HqProc == NULLP)
+   {
+      return RFAILED;
+   }
+
+   /* fill bwp cfg */
+   dciInfo->bwpCfg.subcarrierSpacing  = cellCb->cellCfg.sib1SchCfg.bwp.subcarrierSpacing;
+   dciInfo->bwpCfg.cyclicPrefix       = cellCb->cellCfg.sib1SchCfg.bwp.cyclicPrefix;
+   dciInfo->bwpCfg.freqAlloc.startPrb = cellCb->cellCfg.schInitialDlBwp.bwp.freqAlloc.startPrb;
+   dciInfo->bwpCfg.freqAlloc.numPrb   = cellCb->cellCfg.schInitialDlBwp.bwp.freqAlloc.numPrb; 
+
+   /*fill coreset cfg */
+   //Considering number of RBs in coreset1 is same as coreset0
+   dciInfo->coresetCfg.coreSetSize      = coresetIdxTable[0][1];
+   //Considering coreset1 also starts from same symbol as coreset0
+   dciInfo->coresetCfg.startSymbolIndex = searchSpaceIdxTable[0][3];
+   dciInfo->coresetCfg.durationSymbols  = coresetIdxTable[0][2];
+   memcpy(dciInfo->coresetCfg.freqDomainResource, cellCb->cellCfg.schInitialDlBwp.pdcchCommon.commonSearchSpace.freqDomainRsrc, FREQ_DOM_RSRC_SIZE);
+   
+   dciInfo->coresetCfg.cceRegMappingType   = 1; /* coreset0 is always interleaved */
+   dciInfo->coresetCfg.regBundleSize       = 6; /* spec-38.211 sec 7.3.2.2 */
+   dciInfo->coresetCfg.interleaverSize     = 2; /* spec-38.211 sec 7.3.2.2 */
+   dciInfo->coresetCfg.coreSetType         = 0;
+   dciInfo->coresetCfg.coreSetSize         = coresetIdxTable[0][1];
+   dciInfo->coresetCfg.shiftIndex          = cellCb->cellCfg.phyCellId;
+   dciInfo->coresetCfg.precoderGranularity = 0;
+   dciInfo->coresetCfg.cceIndex            = 0; /* 0-3 for UL and 4-7 for DL */
+   dciInfo->coresetCfg.aggregationLevel    = 4; /* same as for sib1 */
+   
+   dciInfo->formatType = FORMAT0_0;
+   msg3HqProc->tbInfo.rvIdx++;
+   msg3HqProc->tbInfo.rv = schCmnDlRvTbl[msg3HqProc->tbInfo.rvIdx & 0x03];
+   /* fill UL grant */
+   dciInfo->format.format0_0.resourceAllocType   = msg3HqProc->puschResType;
+   dciInfo->format.format0_0.freqAlloc.startPrb  = msg3HqProc->puschStartPrb;
+   dciInfo->format.format0_0.freqAlloc.numPrb    = msg3HqProc->puschNumPrb;
+   dciInfo->format.format0_0.timeAlloc.startSymb = msg3HqProc->strtSymbl;
+   dciInfo->format.format0_0.timeAlloc.numSymb   = msg3HqProc->numSymbl;
+   dciInfo->format.format0_0.rowIndex            = 0; /* row Index */
+   dciInfo->format.format0_0.mcs                 = msg3HqProc->tbInfo.iMcs;
+   dciInfo->format.format0_0.harqProcId          = msg3HqProc->procId;
+   dciInfo->format.format0_0.puschHopFlag        = FALSE; /* disabled */
+   dciInfo->format.format0_0.freqHopFlag         = FALSE; /* disabled */
+   dciInfo->format.format0_0.ndi                 = msg3HqProc->tbInfo.ndi; /* new transmission */
+   dciInfo->format.format0_0.rv                  = msg3HqProc->tbInfo.rv;
+   dciInfo->format.format0_0.tpcCmd              = 0; //Sphoorthi TODO: check
+   dciInfo->format.format0_0.sUlCfgd             = FALSE; /* SUL not configured */
+   
+   /* Fill DCI Structure */
+   dciInfo->dciInfo.rnti                              = raCb->tcrnti;
+   dciInfo->dciInfo.scramblingId                      = cellCb->cellCfg.phyCellId;
+   dciInfo->dciInfo.scramblingRnti                    = 0;
+   dciInfo->dciInfo.cceIndex                          = 0; /* 0-3 for UL and 4-7 for DL */
+   dciInfo->dciInfo.aggregLevel                       = 4;
+   dciInfo->dciInfo.beamPdcchInfo.numPrgs             = 1;
+   dciInfo->dciInfo.beamPdcchInfo.prgSize             = 1;
+   dciInfo->dciInfo.beamPdcchInfo.digBfInterfaces     = 0;
+   dciInfo->dciInfo.beamPdcchInfo.prg[0].pmIdx        = 0;
+   dciInfo->dciInfo.beamPdcchInfo.prg[0].beamIdx[0]   = 0;
+   dciInfo->dciInfo.txPdcchPower.powerValue           = 0;
+   dciInfo->dciInfo.txPdcchPower.powerControlOffsetSS = 0;
+   dciInfo->dciInfo.pdschCfg                          = NULL; /* No DL data being sent */
+   msg3HqProc->tbInfo.txCntr++;
+
+  puschInfo->crnti             = raCb->tcrnti;
+  puschInfo->harqProcId        = msg3HqProc->procId;
+  puschInfo->resAllocType      = msg3HqProc->puschResType;
+  puschInfo->fdAlloc.startPrb  = msg3HqProc->puschStartPrb;
+  puschInfo->fdAlloc.numPrb    = msg3HqProc->puschNumPrb;
+  puschInfo->tdAlloc.startSymb = msg3HqProc->strtSymbl;
+  puschInfo->tdAlloc.numSymb   = msg3HqProc->numSymbl;
+  puschInfo->tbInfo.qamOrder   = msg3HqProc->tbInfo.qamOrder;
+  puschInfo->tbInfo.mcs        = msg3HqProc->tbInfo.iMcs;
+  puschInfo->tbInfo.mcsTable   = msg3HqProc->tbInfo.mcsTable;
+  puschInfo->tbInfo.ndi        = msg3HqProc->tbInfo.ndi; /* retransmission */
+  puschInfo->tbInfo.rv         = msg3HqProc->tbInfo.rvIdx;
+  puschInfo->tbInfo.tbSize     = msg3HqProc->tbInfo.tbSzReq;
+  puschInfo->dmrsMappingType   = msg3HqProc->dmrsMappingType;  /* Setting Type-A */
+  puschInfo->nrOfDmrsSymbols   = msg3HqProc->nrOfDmrsSymbols;
+  puschInfo->dmrsAddPos        = msg3HqProc->dmrsAddPos;
+
+   return ROK;
+}
 
 /*******************************************************************
  *
@@ -583,12 +796,13 @@ uint8_t schFillPuschAlloc(SchUeCb *ueCb, uint16_t pdcchSlot, uint32_t dataVol, S
  *
  *    Functionality: fills DCI for UL grant in response to BSR
  *
- * @params[in]
+ * @params[in] SchUeCb *ueCb, SchPuschInfo *puschInfo, DciInfo *dciInfo,
+ * @params[in] bool isRetx, SchUlHqProcCb *hqP 
  * @return ROK     - success
  *         RFAILED - failure
  *
  * ****************************************************************/
-uint8_t schFillUlDci(SchUeCb *ueCb, SchPuschInfo puschInfo, DciInfo *dciInfo)
+uint8_t schFillUlDci(SchUeCb *ueCb, SchPuschInfo *puschInfo, DciInfo *dciInfo, bool isRetx, SchUlHqProcCb *hqP)
 {
    SchCellCb         *cellCb  = ueCb->cellCb;
    SchControlRsrcSet coreset1 ;
@@ -605,8 +819,8 @@ uint8_t schFillUlDci(SchUeCb *ueCb, SchPuschInfo puschInfo, DciInfo *dciInfo)
    /* fill bwp cfg */
    dciInfo->bwpCfg.subcarrierSpacing  = cellCb->cellCfg.sib1SchCfg.bwp.subcarrierSpacing;
    dciInfo->bwpCfg.cyclicPrefix       = cellCb->cellCfg.sib1SchCfg.bwp.cyclicPrefix;
-   dciInfo->bwpCfg.freqAlloc.startPrb = 0;
-   dciInfo->bwpCfg.freqAlloc.numPrb   = MAX_NUM_RB; /* whole of BW */
+   dciInfo->bwpCfg.freqAlloc.startPrb = cellCb->cellCfg.schInitialDlBwp.bwp.freqAlloc.startPrb;
+   dciInfo->bwpCfg.freqAlloc.numPrb   = cellCb->cellCfg.schInitialDlBwp.bwp.freqAlloc.numPrb; 
 
    /*fill coreset cfg */
    //Considering number of RBs in coreset1 is same as coreset0
@@ -628,18 +842,18 @@ uint8_t schFillUlDci(SchUeCb *ueCb, SchPuschInfo puschInfo, DciInfo *dciInfo)
    dciInfo->formatType = FORMAT0_0;
    
    /* fill UL grant */
-   dciInfo->format.format0_0.resourceAllocType   = puschInfo.resAllocType;
-   dciInfo->format.format0_0.freqAlloc.startPrb  = puschInfo.fdAlloc.startPrb;
-   dciInfo->format.format0_0.freqAlloc.numPrb    = puschInfo.fdAlloc.numPrb;
-   dciInfo->format.format0_0.timeAlloc.startSymb = puschInfo.tdAlloc.startSymb;
-   dciInfo->format.format0_0.timeAlloc.numSymb   = puschInfo.tdAlloc.numSymb;
+   dciInfo->format.format0_0.resourceAllocType   = puschInfo->resAllocType;
+   dciInfo->format.format0_0.freqAlloc.startPrb  = puschInfo->fdAlloc.startPrb;
+   dciInfo->format.format0_0.freqAlloc.numPrb    = puschInfo->fdAlloc.numPrb;
+   dciInfo->format.format0_0.timeAlloc.startSymb = puschInfo->tdAlloc.startSymb;
+   dciInfo->format.format0_0.timeAlloc.numSymb   = puschInfo->tdAlloc.numSymb;
    dciInfo->format.format0_0.rowIndex            = 0; /* row Index */
-   dciInfo->format.format0_0.mcs                 = puschInfo.tbInfo.mcs;
-   dciInfo->format.format0_0.harqProcId          = puschInfo.harqProcId;
+   dciInfo->format.format0_0.mcs                 = puschInfo->tbInfo.mcs;
+   dciInfo->format.format0_0.harqProcId          = puschInfo->harqProcId;
    dciInfo->format.format0_0.puschHopFlag        = FALSE; /* disabled */
    dciInfo->format.format0_0.freqHopFlag         = FALSE; /* disabled */
-   dciInfo->format.format0_0.ndi                 = puschInfo.tbInfo.ndi; /* new transmission */
-   dciInfo->format.format0_0.rv                  = puschInfo.tbInfo.rv;
+   dciInfo->format.format0_0.ndi                 = puschInfo->tbInfo.ndi; /* new transmission */
+   dciInfo->format.format0_0.rv                  = puschInfo->tbInfo.rv;
    dciInfo->format.format0_0.tpcCmd              = 0; //Sphoorthi TODO: check
    dciInfo->format.format0_0.sUlCfgd             = FALSE; /* SUL not configured */
    
@@ -656,7 +870,7 @@ uint8_t schFillUlDci(SchUeCb *ueCb, SchPuschInfo puschInfo, DciInfo *dciInfo)
    dciInfo->dciInfo.beamPdcchInfo.prg[0].beamIdx[0]   = 0;
    dciInfo->dciInfo.txPdcchPower.powerValue           = 0;
    dciInfo->dciInfo.txPdcchPower.powerControlOffsetSS = 0;
-   dciInfo->dciInfo.pdschCfg                          = NULLP; /* No DL data being sent */
+   dciInfo->dciInfo.pdschCfg                          = NULL; /* No DL data being sent */
 
    return ROK;
 }
@@ -678,11 +892,11 @@ uint8_t schFillUlDci(SchUeCb *ueCb, SchPuschInfo puschInfo, DciInfo *dciInfo)
  * ****************************************************************/
 uint8_t MacSchModUeConfigReq(Pst *pst, SchUeCfg *ueCfg)
 {
-   uint8_t ueIdx, lcIdx, ret = ROK;
+   uint8_t ueId, lcIdx, ret = ROK;
    SchCellCb    *cellCb = NULLP;
    SchUeCb      *ueCb = NULLP;
    SchUeCfgRsp  cfgRsp;
-   Inst         inst = pst->dstInst - 1;
+   Inst         inst = pst->dstInst - SCH_INST_START;
    memset(&cfgRsp, 0, sizeof(SchUeCfgRsp));
   
 #ifdef CALL_FLOW_DEBUG_LOG
@@ -698,8 +912,8 @@ uint8_t MacSchModUeConfigReq(Pst *pst, SchUeCfg *ueCfg)
    cellCb = getSchCellCb(pst->event, inst, ueCfg);
 
    /* Search if UE already configured */
-   GET_UE_IDX(ueCfg->crnti, ueIdx);
-   ueCb = &cellCb->ueCb[ueIdx -1];
+   GET_UE_ID(ueCfg->crnti, ueId);
+   ueCb = &cellCb->ueCb[ueId -1];
    
    if(!ueCb)
    {
@@ -710,11 +924,12 @@ uint8_t MacSchModUeConfigReq(Pst *pst, SchUeCfg *ueCfg)
    if((ueCb->crnti == ueCfg->crnti) && (ueCb->state == SCH_UE_STATE_ACTIVE))
    {
       /* Found the UeCb to Reconfig */
-      ret = fillSchUeCb(ueCb, ueCfg);
+      ret = fillSchUeCb(inst, ueCb, ueCfg);
       if(ret == ROK)
       {
          ueCb->cellCb = cellCb;
          ueCb->srRcvd = false;
+         ueCb->bsrRcvd = false;
          for(lcIdx=0; lcIdx<MAX_NUM_LOGICAL_CHANNEL_GROUPS; lcIdx++)
             ueCb->bsrInfo[lcIdx].dataVol = 0;
 
@@ -854,12 +1069,39 @@ void deleteSchPdschServCellCfg(SchPdschServCellCfg *pdschServCellCfg)
 * ****************************************************************/
 void deleteSchUeCb(SchUeCb *ueCb) 
 {
-   uint8_t timeDomRsrcIdx = 0, ueLcIdx = 0;
+   uint8_t timeDomRsrcIdx = 0, ueLcIdx = 0, idx =0;
    SchPucchCfg *pucchCfg = NULLP;
    SchPdschConfig *pdschCfg = NULLP;
+   CmLList *node = NULLP, *next = NULLP;
 
    if(ueCb)
    {
+      if(ueCb->hqDlmap)
+      {
+         for (idx = 0; idx<ueCb->cellCb->numSlots; idx++)
+         {
+            if(ueCb->hqDlmap[idx])
+            {
+               cmLListDeleteLList(&ueCb->hqDlmap[idx]->hqList);
+               SCH_FREE(ueCb->hqDlmap[idx], sizeof(SchHqDlMap));
+            }
+         }
+         SCH_FREE(ueCb->hqDlmap, sizeof(SchHqDlMap*)*(ueCb->cellCb->numSlots));
+      }
+
+      if(ueCb->hqUlmap)
+      {
+         for (idx = 0; idx<ueCb->cellCb->numSlots; idx++)
+         {
+            if(ueCb->hqUlmap[idx])
+            {
+               cmLListDeleteLList(&ueCb->hqUlmap[idx]->hqList);
+               SCH_FREE(ueCb->hqUlmap[idx], sizeof(SchHqUlMap));
+            }
+         }
+         SCH_FREE(ueCb->hqUlmap, sizeof(SchHqUlMap*)*(ueCb->cellCb->numSlots));
+      }
+
       SCH_FREE(ueCb->ueCfg.ambrCfg, sizeof(SchAmbrCfg));
       if(ueCb->ueCfg.spCellCfgPres)
       {
@@ -893,14 +1135,12 @@ void deleteSchUeCb(SchUeCb *ueCb)
          deleteSchPdschServCellCfg(&ueCb->ueCfg.spCellCfg.servCellCfg.pdschServCellCfg);
       }
       /*Need to Free the memory allocated for S-NSSAI*/
-      for(ueLcIdx = 0; ueLcIdx < ueCb->ulInfo.numUlLc; ueLcIdx++)
+      for(ueLcIdx = 0; ueLcIdx < MAX_NUM_LC; ueLcIdx++)
       {
          SCH_FREE(ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai, sizeof(Snssai));
-      }
-      for(ueLcIdx = 0; ueLcIdx < ueCb->dlInfo.numDlLc; ueLcIdx++)
-      {
          SCH_FREE(ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai, sizeof(Snssai));
       }
+
       memset(ueCb, 0, sizeof(SchUeCb));
    }
 }
@@ -922,10 +1162,11 @@ void deleteSchUeCb(SchUeCb *ueCb)
 * ****************************************************************/
 uint8_t MacSchUeDeleteReq(Pst *pst, SchUeDelete  *ueDelete)
 {
-    uint8_t idx=0, ueIdx=0, ret=ROK;
-    ErrorCause result;
+    uint8_t      idx=0, ueId=0, ueIdToDel=0, ret=ROK;
+    ErrorCause   result;
     SchCellCb    *cellCb = NULLP;
-    Inst         inst = pst->dstInst - 1;
+    Inst         inst = pst->dstInst - SCH_INST_START;
+    CmLList      *node = NULL, *next = NULL;
    
 #ifdef CALL_FLOW_DEBUG_LOG
     DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_UE_DELETE_REQ_TO_SCH\n");
@@ -947,17 +1188,32 @@ uint8_t MacSchUeDeleteReq(Pst *pst, SchUeDelete  *ueDelete)
     }
     else
     {
-       GET_UE_IDX(ueDelete->crnti, ueIdx);
-       if(( cellCb->ueCb[ueIdx-1].crnti == ueDelete->crnti) && ( cellCb->ueCb[ueIdx-1].state == SCH_UE_STATE_ACTIVE))
+       GET_UE_ID(ueDelete->crnti, ueId);
+       if(( cellCb->ueCb[ueId-1].crnti == ueDelete->crnti) && ( cellCb->ueCb[ueId-1].state == SCH_UE_STATE_ACTIVE))
        {
-          deleteSchUeCb(&cellCb->ueCb[ueIdx-1]);
+          deleteSchUeCb(&cellCb->ueCb[ueId-1]);
+          ueIdToDel  = ueId;
+          /* Remove UE from ueToBeScheduled list */
+          node = cellCb->ueToBeScheduled.first;
+          while(node)
+          {
+             next = node->next;
+             ueId = *(uint8_t *)node->node;
+             if(ueId == ueIdToDel)
+             {
+                SCH_FREE(node->node, sizeof(uint8_t));
+                deleteNodeFromLList(&cellCb->ueToBeScheduled, node);
+                break;
+             }
+             node = next;
+          }
           cellCb->numActvUe--;
           result = NOT_APPLICABLE;
        }
        else
        {
           DU_LOG("\nERROR  -->  SCH : MacSchUeDeleteReq(): SchUeCb not found");
-          result =  INVALID_UEIDX;
+          result =  INVALID_UEID;
        }
     }
     
@@ -1031,32 +1287,84 @@ uint8_t SchSendCellDeleteRspToMac(SchCellDelete  *ueDelete, Inst inst, SchMacRsp
 void deleteSchCellCb(SchCellCb *cellCb)
 {
    uint8_t sliceIdx=0, slotIdx=0;
+   CmLListCp *list=NULL;
+   CmLList *node=NULL, *next=NULL;
+   SchPageInfo *tempNode = NULLP;
+
    if(cellCb->schDlSlotInfo)
    {
       for(slotIdx=0; slotIdx<cellCb->numSlots; slotIdx++)
       {
+         list = &cellCb->schDlSlotInfo[slotIdx]->prbAlloc.freePrbBlockList;
+         node = list->first;
+         while(node)
+         {
+            next = node->next;
+            SCH_FREE(node->node, sizeof(FreePrbBlock));
+            deleteNodeFromLList(list, node);
+            node = next;
+         }
          SCH_FREE(cellCb->schDlSlotInfo[slotIdx], sizeof(SchDlSlotInfo));
       }
       SCH_FREE(cellCb->schDlSlotInfo, cellCb->numSlots *sizeof(SchDlSlotInfo*));
    }
+
    if(cellCb->schUlSlotInfo)
    {
       for(slotIdx=0; slotIdx<cellCb->numSlots; slotIdx++)
       {
+         list = &cellCb->schUlSlotInfo[slotIdx]->prbAlloc.freePrbBlockList;
+         node = list->first;
+         while(node)
+         {
+            next = node->next;
+            SCH_FREE(node->node, sizeof(FreePrbBlock));
+            deleteNodeFromLList(list, node);
+            node = next;
+         }
          SCH_FREE(cellCb->schUlSlotInfo[slotIdx], sizeof(SchUlSlotInfo));  
       }
       SCH_FREE(cellCb->schUlSlotInfo,  cellCb->numSlots * sizeof(SchUlSlotInfo*));
    }
 
-   if(cellCb->cellCfg.snssai)
+   if(cellCb->cellCfg.plmnInfoList.snssai)
    {
-      for(sliceIdx=0; sliceIdx<cellCb->cellCfg.numSliceSupport; sliceIdx++)
+      for(sliceIdx=0; sliceIdx<cellCb->cellCfg.plmnInfoList.numSliceSupport; sliceIdx++)
       {
-         SCH_FREE(cellCb->cellCfg.snssai[sliceIdx], sizeof(Snssai));
+         SCH_FREE(cellCb->cellCfg.plmnInfoList.snssai[sliceIdx], sizeof(Snssai));
+      }
+      SCH_FREE(cellCb->cellCfg.plmnInfoList.snssai, cellCb->cellCfg.plmnInfoList.numSliceSupport*sizeof(Snssai*));
+   }
+   
+   for(uint16_t idx =0; idx<MAX_SFN; idx++)
+   {
+      list = &cellCb->pageCb.pageIndInfoRecord[idx];
+      node = list->first;
+      while(node)
+      {
+         next = node->next;
+         if(node->node)
+         {
+            tempNode = (SchPageInfo*)(node->node);
+            SCH_FREE(tempNode->pagePdu, tempNode->msgLen);
+            SCH_FREE(node->node,  sizeof(SchPageInfo));
+         }
+         deleteNodeFromLList(list, node);
+         node = next;
       }
-      SCH_FREE(cellCb->cellCfg.snssai, cellCb->cellCfg.numSliceSupport*sizeof(Snssai*));
    }
-   SCH_FREE(cellCb->cellCfg.rrmPolicy, sizeof(SchRrmPolicy));
+
+   /* Remove all UE from ueToBeScheduled list and deallocate */
+   node = cellCb->ueToBeScheduled.first;
+   while(node)
+   {
+      next = node->next;
+      SCH_FREE(node->node, sizeof(uint8_t));
+      cmLListDelFrm(&cellCb->ueToBeScheduled, node);
+      SCH_FREE(node, sizeof(CmLList));
+      node = next;
+   }
+
    memset(cellCb, 0, sizeof(SchCellCb));
 
 }
@@ -1080,7 +1388,7 @@ void deleteSchCellCb(SchCellCb *cellCb)
 uint8_t MacSchCellDeleteReq(Pst *pst, SchCellDelete  *cellDelete)
 {
    uint8_t   cellIdx=0, ret = RFAILED;
-   Inst      inst = pst->dstInst - 1;
+   Inst      inst = pst->dstInst - SCH_INST_START;
    SchMacRsp result= RSP_OK;
    
 #ifdef CALL_FLOW_DEBUG_LOG
@@ -1121,11 +1429,63 @@ uint8_t MacSchCellDeleteReq(Pst *pst, SchCellDelete  *cellDelete)
          DU_LOG("\nERROR  -->  SCH : MacSchCellDeleteReq(): failed to send Cell Delete response");
          ret =  RFAILED;
       }
-
    }
    return ret;   
 }
+/*******************************************************************
+ *
+ * @brief Function updates DL HARQ Feedback
+ *
+ * @details
+ *
+ *    Function : schUpdateHarqFdbk
+ *
+ *    Functionality: Function updates DL HARQ feedback
+ *
+ * @params[in] SchUeCb *ueCb, UE cb struct pointer
+ * @params[in] uint8_t numHarq, number of HARQ processes in feedback 
+ * @params[in] uint8_t *harqPayload, harq feedback payload received
+ * @params[in] SlotTimingInfo *slotInd, slot timing information
+ * @return void
+ *
+ * ****************************************************************/
+void schUpdateHarqFdbk(SchUeCb *ueCb, uint8_t numHarq, uint8_t *harqPayload, SlotTimingInfo *slotInd)
+{
+   SchDlHqProcCb *hqP;
+   SchHqDlMap *hqDlMap;
+   CmLList  *node;
+   uint8_t fdbkPos = 0;
 
+   hqDlMap = ueCb->hqDlmap[slotInd->slot];
+
+   if (ueCb->cellCb->raCb[ueCb->ueId-1].raState == SCH_RA_STATE_MSG2_HANDLE)
+   {
+      return;
+   }
+   if (ueCb->cellCb->raCb[ueCb->ueId-1].raState != SCH_RA_STATE_MSG4_PENDING)
+   {
+      node = hqDlMap->hqList.first;
+      while(node)
+      {
+         hqP = (SchDlHqProcCb*)node->node;
+         node = node->next;
+         cmLListDelFrm(&hqDlMap->hqList, &hqP->ulSlotLnk);
+         /* 
+            Decode harq feedback if needed post FAPI message decoding also or check how to decode this FAPI msg.
+            case 1 semi static harq Ack/Nack codebook //Supported
+            case 2 dynamic harq ACK/NACK codebook //Not supported
+         */
+         schDlHqFeedbackUpdate(hqP, harqPayload[fdbkPos++], HQ_TB_ACKED);//Marking 2nd TB as ACKED for now as only one TB to be used
+      }
+   }
+   else
+   {
+      node = hqDlMap->hqList.first;
+      hqP = (SchDlHqProcCb*)node->node;
+      cmLListDelFrm(&hqDlMap->hqList, &hqP->ulSlotLnk);
+      schMsg4FeedbackUpdate(hqP, harqPayload[fdbkPos++]);
+   }
+}
 /**********************************************************************
   End of file
  **********************************************************************/