[Epic-ID: ODUHIGH-402][Task-ID: ODUHIGH-418] Harq feature changes
[o-du/l2.git] / src / 5gnrsch / sch_ue_mgr.c
index 3ceab12..8ca3bac 100644 (file)
@@ -72,8 +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 */
@@ -180,7 +180,8 @@ void fillSchUlLcCtxt(SchUlLcCtxt *ueCbLcCfg, SchLcCfg *lcCfg)
  *
  *    Functionality: Function to fill DLDedLcInfo
  *
- * @params[arg] snssai pointer,
+ * @params[arg] scheduler instance,
+ *              snssai pointer,
  *              SchRrmPolicy pointer,
  *              SchLcPrbEstimate pointer , It will be filled
  *              isDedicated pointer,(Address of isDedicated flag in LC Context)
@@ -191,30 +192,32 @@ void fillSchUlLcCtxt(SchUlLcCtxt *ueCbLcCfg, SchLcCfg *lcCfg)
  *
  * ****************************************************************/
 
-uint8_t updateDedLcInfo(Snssai *snssai, SchRrmPolicy *rrmPolicy, SchLcPrbEstimate *lcPrbEst,\
-                         bool *isDedicated)
+uint8_t updateDedLcInfo(Inst inst, Snssai *snssai, uint16_t *rsvdDedicatedPRB, bool *isDedicated)
 {
-   if(memcmp(snssai, &(rrmPolicy->memberList.snssai), sizeof(Snssai)) == 0)
+   uint8_t sliceCfgIdx =0;
+   SchSliceCfg sliceCfg = schCb[inst].sliceCfg;
+
+   if(sliceCfg.numOfSliceConfigured)
    {
-      if(lcPrbEst->dedLcInfo == NULLP)
+      for(sliceCfgIdx = 0; sliceCfgIdx<sliceCfg.numOfSliceConfigured; sliceCfgIdx++)
       {
-         SCH_ALLOC(lcPrbEst->dedLcInfo, sizeof(DedicatedLCInfo));
-         if(lcPrbEst->dedLcInfo == NULLP)
+         if(memcmp(snssai, &(sliceCfg.listOfConfirguration[sliceCfgIdx]->snssai), sizeof(Snssai)) == 0)
          {
-            DU_LOG("\nINFO  -->  SCH : Memory Allocation Failed");
-            return RFAILED;
+            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);
+            }
          }
       }
-      /*Updating latest RrmPolicy*/
-      lcPrbEst->dedLcInfo->rsvdDedicatedPRB = \
-                                              (uint16_t)(((rrmPolicy->policyDedicatedRatio)*(MAX_NUM_RB))/100);
-      *isDedicated = TRUE;
-      DU_LOG("\nINFO  -->  SCH : Updated RRM policy, reservedPOOL:%d",lcPrbEst->dedLcInfo->rsvdDedicatedPRB);
-   }
-   /*else case: This LcCtxt  is either a Default LC or this LC is part of someother RRM_MemberList*/
-   else
-   {
-      DU_LOG("\nINFO  -->  SCH : This SNSSAI is not a part of this RRMPolicy");
+      /*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;  
 }
@@ -229,24 +232,26 @@ uint8_t updateDedLcInfo(Snssai *snssai, SchRrmPolicy *rrmPolicy, SchLcPrbEstimat
  *
  *    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;
-   CmLListCp *lcLL = NULLP;
    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)); 
@@ -261,6 +266,19 @@ 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,\
@@ -286,7 +304,6 @@ uint8_t fillSchUeCb(SchUeCb *ueCb, SchUeCfg *ueCfg)
       }
    }
 
-   ueCb->state = SCH_UE_STATE_ACTIVE;
    if(ueCfg->ambrCfg)
    {
       SCH_FREE(ueCb->ueCfg.ambrCfg, sizeof(SchAmbrCfg));
@@ -294,7 +311,6 @@ 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++)
    {
@@ -316,14 +332,12 @@ uint8_t fillSchUeCb(SchUeCb *ueCb, SchUeCfg *ueCfg)
           * and Create the Dedicated LC List & Update the Reserve PRB number*/
          if(ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai != NULLP)
          {
-            retDL = updateDedLcInfo(ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai,  \
-                  ueCb->cellCb->cellCfg.rrmPolicy, &(ueCb->dlLcPrbEst),\
+            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(ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai,  \
-                  ueCb->cellCb->cellCfg.rrmPolicy, &(ueCb->ulLcPrbEst),\
+            retUL =  updateDedLcInfo(inst, ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai, &(ueCb->ulInfo.ulLcCtxt[ueLcIdx].rsvdDedicatedPRB),\
                   &(ueCb->ulInfo.ulLcCtxt[ueLcIdx].isDedicated));
          }
 
@@ -343,8 +357,7 @@ uint8_t fillSchUeCb(SchUeCb *ueCb, SchUeCfg *ueCfg)
                /*Updating the RRM reserved pool PRB count*/
                if(ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai != NULLP)
                {
-                  retUL =  updateDedLcInfo(ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai,  \
-                        ueCb->cellCb->cellCfg.rrmPolicy, &(ueCb->ulLcPrbEst),\
+                  retUL =  updateDedLcInfo(inst, ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai, &(ueCb->ulInfo.ulLcCtxt[ueLcIdx].rsvdDedicatedPRB),\
                         &(ueCb->ulInfo.ulLcCtxt[ueLcIdx].isDedicated));
                }
                if(retUL == RFAILED)
@@ -358,21 +371,11 @@ uint8_t fillSchUeCb(SchUeCb *ueCb, SchUeCfg *ueCfg)
                /*Delete the LC node from the UL LC List*/
                if(ueCb->ulInfo.ulLcCtxt[ueLcIdx].isDedicated)
                {
-                  if(ueCb->ulLcPrbEst.dedLcInfo != NULLP)
-                  {
-                     lcLL = &(ueCb->ulLcPrbEst.dedLcInfo->dedLcList);
-                     handleLcLList(lcLL, ueCfg->schLcCfg[lcIdx].lcId, DELETE);
-                     if(lcLL->count == 0)/*IF No Node in DedicateLCList to be deleted*/
-                     {
-                        /*Free the Dedicated LC Info structure*/
-                        SCH_FREE(ueCb->ulLcPrbEst.dedLcInfo, sizeof(DedicatedLCInfo));
-                     }
-                  }
+                   /*Remove from HARQ Transmission or retransmission*/
                }
                else/*Default LC list*/
                {
-                  lcLL = &(ueCb->ulLcPrbEst.defLcList);
-                  handleLcLList(lcLL, ueCfg->schLcCfg[lcIdx].lcId, DELETE);
+
                }
                SCH_FREE(ueCb->ulInfo.ulLcCtxt[ueLcIdx].snssai, sizeof(Snssai));
                memset(&ueCb->ulInfo.ulLcCtxt[ueLcIdx], 0, sizeof(SchUlLcCtxt));
@@ -387,8 +390,7 @@ uint8_t fillSchUeCb(SchUeCb *ueCb, SchUeCfg *ueCfg)
                /*Updating the RRM policy*/
                if(ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai != NULLP)
                {
-                  retDL = updateDedLcInfo(ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai,  \
-                        ueCb->cellCb->cellCfg.rrmPolicy, &(ueCb->dlLcPrbEst), \
+                  retDL = updateDedLcInfo(inst, ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai, &(ueCb->dlInfo.dlLcCtxt[ueLcIdx].rsvdDedicatedPRB), \
                         &(ueCb->dlInfo.dlLcCtxt[ueLcIdx].isDedicated));
                }
                if(retDL == RFAILED)
@@ -402,21 +404,10 @@ uint8_t fillSchUeCb(SchUeCb *ueCb, SchUeCfg *ueCfg)
                /*Delete the LC node from the DL LC List*/
                if(ueCb->dlInfo.dlLcCtxt[ueLcIdx].isDedicated)
                {
-                  if(ueCb->dlLcPrbEst.dedLcInfo != NULLP)
-                  {
-                     lcLL = &(ueCb->dlLcPrbEst.dedLcInfo->dedLcList);
-                     handleLcLList(lcLL, ueCfg->schLcCfg[lcIdx].lcId, DELETE);
-                     if(lcLL->count == 0)/*Last Node in DedicateLCList to be deleted*/
-                     {
-                        /*Free the Dedicated LC Info structure*/
-                        SCH_FREE(ueCb->dlLcPrbEst.dedLcInfo, sizeof(DedicatedLCInfo));
-                     }
-                  }
+                  /*Remove from HARQ Transmission or retransmission*/
                }
                else
                {
-                  lcLL = &(ueCb->dlLcPrbEst.defLcList);
-                  handleLcLList(lcLL, ueCfg->schLcCfg[lcIdx].lcId, DELETE);
                }
                SCH_FREE(ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai, sizeof(Snssai));
                memset(&ueCb->dlInfo.dlLcCtxt[ueLcIdx], 0, sizeof(SchDlLcCtxt));
@@ -496,11 +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
@@ -516,36 +507,63 @@ 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++)
@@ -566,13 +584,15 @@ 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, SlotTimingInfo puschTime, uint32_t tbSize, 
-                            uint8_t startSymb, uint8_t symbLen, uint16_t startPrb)
+                          uint8_t startSymb, uint8_t symbLen, uint16_t startPrb, bool isRetx, SchUlHqProcCb *hqP)
 {
   uint8_t  numRb          = 0;
   SchCellCb *cellCb       = NULLP;
@@ -596,23 +616,60 @@ uint8_t schFillPuschAlloc(SchUeCb *ueCb, SlotTimingInfo puschTime, uint32_t tbSi
   numRb   = schCalcNumPrb(tbSize, ueCb->ueCfg.ulModInfo.mcsIndex, symbLen);
   allocatePrbUl(cellCb, puschTime, startSymb, symbLen, &startPrb, numRb);
 
-  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;
-
+   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)
@@ -624,6 +681,110 @@ uint8_t schFillPuschAlloc(SchUeCb *ueCb, SlotTimingInfo puschTime, uint32_t tbSi
 
   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;
+}
 
 /*******************************************************************
  *
@@ -635,12 +796,13 @@ uint8_t schFillPuschAlloc(SchUeCb *ueCb, SlotTimingInfo puschTime, uint32_t tbSi
  *
  *    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 ;
@@ -730,11 +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
@@ -750,8 +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)
    {
@@ -762,7 +924,7 @@ 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;
@@ -910,7 +1072,6 @@ void deleteSchUeCb(SchUeCb *ueCb)
    uint8_t timeDomRsrcIdx = 0, ueLcIdx = 0;
    SchPucchCfg *pucchCfg = NULLP;
    SchPdschConfig *pdschCfg = NULLP;
-   CmLListCp *lcLL  = NULLP;
 
    if(ueCb)
    {
@@ -953,26 +1114,6 @@ void deleteSchUeCb(SchUeCb *ueCb)
          SCH_FREE(ueCb->dlInfo.dlLcCtxt[ueLcIdx].snssai, sizeof(Snssai));
       }
 
-      /*Clearing out Dedicated LC list*/
-      if(ueCb->dlLcPrbEst.dedLcInfo != NULLP)
-      {
-         lcLL = &(ueCb->dlLcPrbEst.dedLcInfo->dedLcList);
-         deleteLcLL(lcLL);
-         SCH_FREE(ueCb->dlLcPrbEst.dedLcInfo, sizeof(DedicatedLCInfo));
-      }
-      if(ueCb->ulLcPrbEst.dedLcInfo != NULLP)
-      {
-         lcLL = &(ueCb->ulLcPrbEst.dedLcInfo->dedLcList);
-         deleteLcLL(lcLL);
-         SCH_FREE(ueCb->ulLcPrbEst.dedLcInfo, sizeof(DedicatedLCInfo));
-      }
-      /*Deleteing the Default LC list*/
-      lcLL = &(ueCb->dlLcPrbEst.defLcList);
-      deleteLcLL(lcLL);
-
-      lcLL = &(ueCb->ulLcPrbEst.defLcList);
-      deleteLcLL(lcLL);
-
       memset(ueCb, 0, sizeof(SchUeCb));
    }
 }
@@ -997,7 +1138,7 @@ uint8_t MacSchUeDeleteReq(Pst *pst, SchUeDelete  *ueDelete)
     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
@@ -1020,7 +1161,7 @@ uint8_t MacSchUeDeleteReq(Pst *pst, SchUeDelete  *ueDelete)
     }
     else
     {
-       GET_UE_IDX(ueDelete->crnti, ueId);
+       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[ueId-1]);
@@ -1045,7 +1186,7 @@ uint8_t MacSchUeDeleteReq(Pst *pst, SchUeDelete  *ueDelete)
        else
        {
           DU_LOG("\nERROR  -->  SCH : MacSchUeDeleteReq(): SchUeCb not found");
-          result =  INVALID_UEIDX;
+          result =  INVALID_UEID;
        }
     }
     
@@ -1121,6 +1262,7 @@ void deleteSchCellCb(SchCellCb *cellCb)
    uint8_t sliceIdx=0, slotIdx=0;
    CmLListCp *list=NULL;
    CmLList *node=NULL, *next=NULL;
+   SchPageInfo *tempNode = NULLP;
 
    if(cellCb->schDlSlotInfo)
    {
@@ -1158,15 +1300,32 @@ void deleteSchCellCb(SchCellCb *cellCb)
       SCH_FREE(cellCb->schUlSlotInfo,  cellCb->numSlots * sizeof(SchUlSlotInfo*));
    }
 
-   if(cellCb->cellCfg.snssai)
+   if(cellCb->cellCfg.plmnInfoList.snssai)
+   {
+      for(sliceIdx=0; sliceIdx<cellCb->cellCfg.plmnInfoList.numSliceSupport; sliceIdx++)
+      {
+         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++)
    {
-      for(sliceIdx=0; sliceIdx<cellCb->cellCfg.numSliceSupport; sliceIdx++)
+      list = &cellCb->pageCb.pageIndInfoRecord[idx];
+      node = list->first;
+      while(node)
       {
-         SCH_FREE(cellCb->cellCfg.snssai[sliceIdx], sizeof(Snssai));
+         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;
@@ -1202,7 +1361,7 @@ 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
@@ -1243,11 +1402,63 @@ 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
  **********************************************************************/