Changes to make number of slots and BW generic
[o-du/l2.git] / src / 5gnrsch / sch_common.c
index 697b820..bde41bc 100644 (file)
@@ -31,29 +31,10 @@ File:     sch_common.c
 /** @file sch_common.c
   @brief This module performs common scheduling
  */
-#include "stdbool.h"
-#include "envopt.h"        /* environment options */
-#include "envdep.h"        /* environment dependent */
-#include "envind.h"        /* environment independent */
-#include "gen.h"           /* general layer */
-#include "ssi.h"           /* system service interface */
-#include "cm_tkns.h"       /* Common Token Defines */
-#include "cm_llist.h"      /* Common Link List Defines */
-#include "cm_hash.h"       /* Common Hash List Defines */
-#include "cm_mblk.h"       /* common memory link list library */
-#include "cm_lte.h"        /* Common LTE Defines */
+#include "common_def.h"
 #include "tfu.h"
 #include "lrg.h"
 
-#include "gen.x"           /* general layer typedefs */
-#include "ssi.x"           /* system services typedefs */
-#include "cm5.x"           /* system services */
-#include "cm_tkns.x"       /* Common Token Definitions */
-#include "cm_llist.x"      /* Common Link List Definitions */
-#include "cm_lib.x"        /* Common Library Definitions */
-#include "cm_hash.x"       /* Common Hash List Definitions */
-#include "cm_mblk.x"       /* common memory link list library */
-#include "cm_lte.x"        /* Common LTE Defines */
 #include "tfu.x"
 #include "lrg.x"
 #include "du_log.h"
@@ -62,59 +43,24 @@ File:     sch_common.c
 #include "sch.h"
 #include "sch_utils.h"
 
-extern SchCb schCb[SCH_MAX_INST];
-extern uint16_t prachCfgIdxTable[MAX_PRACH_CONFIG_IDX][8];
-extern uint16_t numRbForPrachTable[MAX_RACH_NUM_RB_IDX][5];
+SchCb schCb[SCH_MAX_INST];
+uint16_t prachCfgIdxTable[MAX_PRACH_CONFIG_IDX][8];
+uint16_t numRbForPrachTable[MAX_RACH_NUM_RB_IDX][5];
+uint8_t pucchResourceSet[MAX_PUCCH_RES_SET_IDX][4];
 
 SchMacUlSchInfoFunc schMacUlSchInfoOpts[] =
 {
-       packSchMacUlSchInfo,
-       MacProcUlSchInfo,
-       packSchMacUlSchInfo
+   packSchMacUlSchInfo,
+   MacProcUlSchInfo,
+   packSchMacUlSchInfo
 };
 
-/**
- * @brief Time domain allocation for SSB
- *
- * @details
- *
- *     Function : ssbDlTdAlloc 
- *     
- *     This function handles common scheduling for DL
- *     
- *  @param[in]  schCellCb *cell, cell cb
- *  @param[in]  DlBrdcstAlloc *dlBrdcstAlloc, DL brdcst allocation
- *  @return  void
- **/
-void ssbDlTdAlloc(uint8_t scs, uint8_t *ssbStartSymb)
-{
-   uint8_t n;
-       /* Determine value of "n" based on Section 4.1 of 3GPP TS 38.213 */
-       switch(scs)
-       {
-               case SCH_SCS_15KHZ:
-                       {
-                          uint8_t symbIdx=0;
-                          n = 2;/* n = 0, 1 for SCS = 15KHz */
-                               for(uint8_t idx=0; idx<n; idx++)
-                               {
-               /* start symbol determined using {2, 8} + 14n */
-                                       ssbStartSymb[symbIdx++] = 2 + SCH_SYMBOL_PER_SLOT*idx;
-                                       ssbStartSymb[symbIdx++] = 8 + SCH_SYMBOL_PER_SLOT*idx;
-                               }
-                       }
-                       break;
-               default:
-                       DU_LOG("\nSCS %d is currently not supported", scs);
-       }
-}
-
 /**
  * @brief common resource allocation for SSB
  *
  * @details
  *
- *     Function : schCmnDlAlloc
+ *     Function : schBroadcastAlloc
  *     
  *     This function handles common scheduling for DL
  *     
@@ -122,53 +68,62 @@ void ssbDlTdAlloc(uint8_t scs, uint8_t *ssbStartSymb)
  *  @param[in]  DlBrdcstAlloc *dlBrdcstAlloc, DL brdcst allocation
  *  @return  void
  **/
-uint8_t schCmnDlAlloc(SchCellCb *cell, DlBrdcstAlloc *dlBrdcstAlloc)
+uint8_t schBroadcastAlloc(SchCellCb *cell, DlBrdcstAlloc *dlBrdcstAlloc,
+      uint16_t slot)
 {
-       /* schedule SSB */
-       uint8_t scs, ssbStartPrb, ssbStartSymb, idx;
-       uint8_t ssbStartSymbArr[SCH_MAX_SSB_BEAM];
-       SchDlAlloc *dlAlloc;
-       SsbInfo ssbInfo;
-
-       dlAlloc = cell->dlAlloc[cell->slotInfo.slot];
-       if(dlBrdcstAlloc->ssbTrans)
-       {
-               scs = cell->cellCfg.ssbSchCfg.scsCommon;
-               ssbStartPrb = \
-                  (cell->cellCfg.ssbSchCfg.ssbOffsetPointA)/SCH_NUM_SC_PRB;
-
-               memset(ssbStartSymbArr, 0, SCH_MAX_SSB_BEAM);
-               ssbDlTdAlloc(scs, ssbStartSymbArr);
-               ssbStartSymb = ssbStartSymbArr[dlBrdcstAlloc->ssbIdxSupported-1]; /*since we are supporting only 1 ssb beam */
-               /* Assign interface structure */
-               for(idx=0; idx<dlBrdcstAlloc->ssbIdxSupported; idx++)
-               {
-                       ssbInfo.ssbIdx = idx;
-                       ssbInfo.fdAlloc.ssbStartPrbIdx = ssbStartPrb;
-                       ssbInfo.fdAlloc.ssbPrbDuration = SCH_SSB_PRB_DURATION;
-                       ssbInfo.tdAlloc.ssbStartSymbIdx = ssbStartSymb;
-                       ssbInfo.tdAlloc.ssbSymbolDuration = SCH_SSB_SYMB_DURATION;
-                       dlBrdcstAlloc->ssbInfo[idx] = ssbInfo;
-                       dlAlloc->ssbInfo[idx] = ssbInfo;
-
-               }
-
-               dlAlloc->ssbPres = true;
-               dlAlloc->ssbIdxSupported = dlBrdcstAlloc->ssbIdxSupported;
-               for(idx=ssbStartSymb; idx<ssbStartSymb+SCH_SSB_SYMB_DURATION; idx++)
-               {
-                       dlAlloc->assignedPrb[idx] = SCH_SSB_PRB_DURATION + 1; /* +1 for kSsb */
-               }
-
-       }
-
-       /* SIB1 allocation */
-       if(dlBrdcstAlloc->sib1Trans)
-       {
-          memcpy(&dlBrdcstAlloc->sib1Alloc.sib1PdcchCfg, &cell->cellCfg.sib1SchCfg.sib1PdcchCfg, sizeof(Sib1PdcchCfg)); 
-          memcpy(&dlBrdcstAlloc->sib1Alloc.sib1PdschCfg, &cell->cellCfg.sib1SchCfg.sib1PdschCfg, sizeof(Sib1PdschCfg)); 
-       }
-       return ROK;
+   /* schedule SSB */
+   uint8_t ssbStartPrb, ssbStartSymb, idx;
+   SchDlSlotInfo *schDlSlotInfo;
+   SsbInfo ssbInfo;
+
+   schDlSlotInfo = cell->schDlSlotInfo[slot];
+   if(dlBrdcstAlloc->ssbTrans)
+   {
+      ssbStartPrb = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
+      ssbStartSymb = cell->ssbStartSymbArr[dlBrdcstAlloc->ssbIdxSupported-1]; /*since we are
+                                                                               supporting only 1 ssb beam */
+
+      /* Assign interface structure */
+      for(idx=0; idx<dlBrdcstAlloc->ssbIdxSupported; idx++)
+      {
+        ssbInfo.ssbIdx              = idx;
+        ssbInfo.fdAlloc.startPrb    = ssbStartPrb;
+        ssbInfo.fdAlloc.numPrb      = SCH_SSB_NUM_PRB;
+        ssbInfo.tdAlloc.startSymb   = ssbStartSymb;
+        ssbInfo.tdAlloc.numSymb     = SCH_SSB_NUM_SYMB;
+        dlBrdcstAlloc->ssbInfo[idx] = ssbInfo;
+        schDlSlotInfo->ssbInfo[idx] = ssbInfo;
+      }
+
+      schDlSlotInfo->ssbPres = true;
+      schDlSlotInfo->ssbIdxSupported = dlBrdcstAlloc->ssbIdxSupported;
+      for(idx=ssbStartSymb; idx<ssbStartSymb+SCH_SSB_NUM_SYMB; idx++)
+      {
+        schDlSlotInfo->assignedPrb[idx] = ssbStartPrb + SCH_SSB_NUM_PRB + 1; /* +1 for kSsb */
+      }
+   }
+
+   /* SIB1 allocation */
+   if(dlBrdcstAlloc->sib1Trans)
+   {
+      uint16_t tbSize         = 0;
+      uint8_t numPdschSymbols = 12; /* considering pdsch region from 2 to 13 */
+      uint8_t mcs             = 4;  /* MCS fixed to 4 */
+      uint8_t numSib1Prb      = 0;
+      schDlSlotInfo->sib1Pres = true;
+
+      tbSize = schCalcTbSize(cell->cellCfg.sib1SchCfg.sib1PduLen); /* send this value to the func in bytes when considering sib1 size */
+      numSib1Prb = schCalcNumPrb(tbSize,mcs,numPdschSymbols);
+      for(idx=0; idx<SCH_SYMBOL_PER_SLOT; idx++)
+      {
+        schDlSlotInfo->assignedPrb[idx] = ssbStartPrb + SCH_SSB_NUM_PRB + 1 + numSib1Prb; /* 10 PRBs for sib1 */
+      }
+      memcpy(&dlBrdcstAlloc->sib1Alloc.bwp, &cell->cellCfg.sib1SchCfg.bwp, sizeof(BwpCfg)); 
+      memcpy(&dlBrdcstAlloc->sib1Alloc.sib1PdcchCfg, &cell->cellCfg.sib1SchCfg.sib1PdcchCfg, sizeof(PdcchCfg)); 
+      memcpy(&dlBrdcstAlloc->sib1Alloc.sib1PdschCfg, &cell->cellCfg.sib1SchCfg.sib1PdschCfg, sizeof(PdschCfg)); 
+      dlBrdcstAlloc->sib1Alloc.sib1PdcchCfg.dci.pdschCfg = &dlBrdcstAlloc->sib1Alloc.sib1PdschCfg;
+   }
+   return ROK;
 }
 
 /*******************************************************************
@@ -187,16 +142,15 @@ uint8_t schCmnDlAlloc(SchCellCb *cell, DlBrdcstAlloc *dlBrdcstAlloc)
  *         RFAILED - failure
  *
  * ****************************************************************/
-int sendUlSchInfoToMac(UlSchInfo *ulSchInfo, Inst inst)
+int sendUlSchInfoToMac(UlSchedInfo *ulSchedInfo, Inst inst)
 {
-       Pst pst;
+   Pst pst;
 
    memset(&pst, 0, sizeof(Pst));
-   SCH_FILL_RSP_PST(pst, inst);
-       pst.event = EVENT_UL_SCH_INFO;
-
-       return(*schMacUlSchInfoOpts[pst.selector])(&pst, ulSchInfo);
+   FILL_PST_SCH_TO_MAC(pst, inst);
+   pst.event = EVENT_UL_SCH_INFO;
 
+   return(*schMacUlSchInfoOpts[pst.selector])(&pst, ulSchedInfo);
 }
 /**
  * @brief resource allocation for PRACH
@@ -208,81 +162,102 @@ int sendUlSchInfoToMac(UlSchInfo *ulSchInfo, Inst inst)
  *     This function handles PRACH allocation
  *     
  *  @param[in]  SchCellCb *cell, cell cb
- *  @param[in]  UlSchInfo *ulSchInfo, UL scheduling info
+ *  @param[in]  UlSchedInfo *ulSchedInfo, UL scheduling info
  *  @return  void
  **/
-int schPrachResAlloc(SchCellCb *cell, UlSchInfo *ulSchInfo)
+void schPrachResAlloc(SchCellCb *cell, UlSchedInfo *ulSchedInfo, SlotIndInfo prachOccasionTimingInfo)
 {
+   uint8_t  puschScs;
    uint8_t  numPrachRb = 0;
-       uint8_t  numRa = 0;
-       uint8_t  freqStart = 0;
-       uint16_t sfn = 0;
-       uint16_t slot = 0;
-       uint8_t  prachCfgIdx = 0;
-       uint8_t  prachFormat = 0;
-       uint8_t  x = 0;
-       uint8_t  y = 0;
-       uint8_t  prachSubframe = 0;
-       uint8_t  prachStartSymbol = 0;
-       uint8_t  prachOcas = 0;
-       uint8_t  dataType = 0;
-       uint8_t  idx = 0;
-       SchUlAlloc *ulAlloc = NULLP;
-
-       sfn  = cell->slotInfo.sfn;
-       slot = cell->slotInfo.slot; 
-       ulAlloc = cell->ulAlloc[cell->slotInfo.slot];
-       prachCfgIdx = cell->cellCfg.schRachCfg.prachCfgIdx;
-
-    /* derive the prachCfgIdx table paramters */
-       x                = prachCfgIdxTable[prachCfgIdx][1];
-       y                = prachCfgIdxTable[prachCfgIdx][2];
-       prachSubframe    = prachCfgIdxTable[prachCfgIdx][3];
-       
-       if((sfn%x) != y)
-       {
-          /* prach occasion does not lie in this SFN */
-               DU_LOG("\nPRACH ocassion doesn't lie in this SFN");
-          return RFAILED;
-       }
-       /* check for subFrame number */
-       if ((1 << slot) & prachSubframe)
-       {
-      /* prach ocassion present in this subframe */
-
-               prachFormat      = prachCfgIdxTable[prachCfgIdx][0];
-               prachStartSymbol = prachCfgIdxTable[prachCfgIdx][4];
-               prachOcas        = prachCfgIdxTable[prachCfgIdx][6];
-
-               /* freq domain resource determination for RACH*/
-               freqStart = cell->cellCfg.schRachCfg.msg1FreqStart;
-               /* numRa determined as 𝑛 belonging {0,1,.., M − 1}, 
-                * where M is given by msg1Fdm */
-               numRa = (cell->cellCfg.schRachCfg.msg1Fdm - 1);
-               for(idx=0; idx<MAX_RACH_NUM_RB_IDX; idx++)
-               {
-         if(numRbForPrachTable[idx][0] == cell->cellCfg.schRachCfg.rootSeqIdx)
-                          break;
-               }
-               numPrachRb = numRbForPrachTable[idx][3];
-               dataType |= SCH_DATATYPE_PRACH;
-               /* Considering first slot in the frame for PRACH */
-               idx = 0;
-               ulAlloc->assignedPrb[idx] = freqStart+numPrachRb;
-       }
-
-       /* Fill UL SCH Info */
-       ulSchInfo->cellId = cell->cellId;
-       ulSchInfo->slotIndInfo.sfn = sfn;
-   ulSchInfo->slotIndInfo.slot = slot;
-       ulSchInfo->dataType = dataType;
-       /* prach info */
-       ulSchInfo->prachSchInfo.numPrachOcas   = prachOcas;
-       ulSchInfo->prachSchInfo.prachFormat    = prachFormat;
-       ulSchInfo->prachSchInfo.numRa          = numRa;
-       ulSchInfo->prachSchInfo.prachStartSymb = prachStartSymbol;
-
-       return ROK;
+   uint8_t  numRa = 0;
+   uint8_t  freqStart = 0;
+   uint8_t  prachCfgIdx = 0;
+   uint8_t  prachFormat = 0;
+   uint8_t  x = 0;
+   uint8_t  y = 0;
+   uint16_t prachSubframe = 0;
+   uint8_t  prachStartSymbol = 0;
+   uint8_t  prachOcas = 0;
+   uint8_t  dataType = 0;
+   uint8_t  idx = 0;
+   SchUlSlotInfo *schUlSlotInfo = NULLP;
+
+   puschScs      = cell->cellCfg.schInitialUlBwp.bwp.scs;
+   schUlSlotInfo = cell->schUlSlotInfo[prachOccasionTimingInfo.slot];
+   prachCfgIdx   = cell->cellCfg.schRachCfg.prachCfgIdx;
+
+   /* derive the prachCfgIdx table paramters */
+   x                = prachCfgIdxTable[prachCfgIdx][1];
+   y                = prachCfgIdxTable[prachCfgIdx][2];
+   prachSubframe    = prachCfgIdxTable[prachCfgIdx][3];
+
+   if((prachOccasionTimingInfo.sfn%x) == y)
+   {
+      /* check for subFrame number */
+      if ((1 << prachOccasionTimingInfo.slot) & prachSubframe)
+      {
+        /* prach ocassion present in this subframe */
+
+        prachFormat      = prachCfgIdxTable[prachCfgIdx][0];
+        prachStartSymbol = prachCfgIdxTable[prachCfgIdx][4];
+        prachOcas        = prachCfgIdxTable[prachCfgIdx][6];
+
+        /* freq domain resource determination for RACH*/
+        freqStart = cell->cellCfg.schRachCfg.msg1FreqStart;
+        /* numRa determined as 𝑛 belonging {0,1,.., M − 1}, 
+         * where M is given by msg1Fdm */
+        numRa = (cell->cellCfg.schRachCfg.msg1Fdm - 1);
+        for(idx=0; idx<MAX_RACH_NUM_RB_IDX; idx++)
+        {
+           if(numRbForPrachTable[idx][0] == cell->cellCfg.schRachCfg.rootSeqLen)
+           {
+              if(numRbForPrachTable[idx][1] == cell->cellCfg.schRachCfg.prachSubcSpacing)
+              {
+                 if(numRbForPrachTable[idx][2] == puschScs)
+                 {
+                    break;
+                 }
+              }
+           }
+        }
+        numPrachRb = numRbForPrachTable[idx][3];
+        dataType |= SCH_DATATYPE_PRACH;
+        /* Considering first slot in the frame for PRACH */
+        idx = 0;
+        schUlSlotInfo->assignedPrb[idx] = freqStart+numPrachRb;
+      }
+      ulSchedInfo->dataType = dataType;
+      /* prach info */
+      ulSchedInfo->prachSchInfo.numPrachOcas   = prachOcas;
+      ulSchedInfo->prachSchInfo.prachFormat    = prachFormat;
+      ulSchedInfo->prachSchInfo.numRa          = numRa;
+      ulSchedInfo->prachSchInfo.prachStartSymb = prachStartSymbol;
+   }
+}
+
+uint16_t fillPucchResourceInfo(SchPucchInfo *schPucchInfo, Inst inst)
+{
+   /* derive pucchResourceSet from schCellCfg */
+   SchCellCb  *cell = schCb[inst].cells[inst];
+   SchPucchCfgCmn *pucchCfg = &cell->cellCfg.schInitialUlBwp.pucchCommon;
+   uint8_t pucchIdx = pucchCfg->pucchResourceCommon;
+   SchBwpParams *ulBwp = &cell->cellCfg.schInitialUlBwp.bwp;
+
+   schPucchInfo->fdAlloc.startPrb = ulBwp->freqAlloc.startPrb + pucchResourceSet[pucchIdx][3];
+   schPucchInfo->fdAlloc.numPrb = PUCCH_NUM_PRB_FORMAT_0;
+   schPucchInfo->tdAlloc.startSymb = pucchResourceSet[pucchIdx][1];
+   schPucchInfo->tdAlloc.numSymb = pucchResourceSet[pucchIdx][2];
+   schPucchInfo->pucchFormat = pucchResourceSet[pucchIdx][0];
+
+   /* set HARQ flag to true */
+   schPucchInfo->harqFlag = true;
+   schPucchInfo->numHarqBits = 1; /* 1 bit for HARQ */
+
+   /* set SR and UCI flag to false */
+   schPucchInfo->srFlag  = true;
+   schPucchInfo->uciFlag = true;
+
+   return ROK;
 }
 
 /**
@@ -297,21 +272,327 @@ int schPrachResAlloc(SchCellCb *cell, UlSchInfo *ulSchInfo)
  *  @param[in]  SchCellCb *cell, cellCb
  *  @return  void
  **/
-int schUlResAlloc(SchCellCb *cell, Inst schInst)
+uint8_t schUlResAlloc(SchCellCb *cell, Inst schInst)
 {
    int ret = ROK;
-   UlSchInfo ulSchInfo;
+   UlSchedInfo ulSchedInfo;
+   SchUlSlotInfo  *schUlSlotInfo = NULLP;
+   SlotIndInfo ulTimingInfo;
+   memset(&ulSchedInfo, 0, sizeof(UlSchedInfo));
+
+   /* add PHY delta */
+   ADD_DELTA_TO_TIME(cell->slotInfo,ulTimingInfo,PHY_DELTA+SCHED_DELTA);
+
+   ulSchedInfo.cellId = cell->cellId;
+   ulSchedInfo.slotIndInfo.cellId = ulSchedInfo.cellId;
+   ulSchedInfo.slotIndInfo.sfn = ulTimingInfo.sfn;
+   ulSchedInfo.slotIndInfo.slot = ulTimingInfo.slot;
+
    /* Schedule resources for PRACH */
-       schPrachResAlloc(cell, &ulSchInfo);
-       //send msg to MAC
-   ret = sendUlSchInfoToMac(&ulSchInfo, schInst);
+   schPrachResAlloc(cell, &ulSchedInfo, ulTimingInfo);
+
+   schUlSlotInfo = cell->schUlSlotInfo[ulTimingInfo.slot]; 
+   if(schUlSlotInfo->schPuschInfo)
+   {
+      ulSchedInfo.crnti = schUlSlotInfo->schPuschInfo->crnti;
+      ulSchedInfo.dataType |= SCH_DATATYPE_PUSCH;
+      memcpy(&ulSchedInfo.schPuschInfo, schUlSlotInfo->schPuschInfo,
+           sizeof(SchPuschInfo));
+      SCH_FREE(schUlSlotInfo->schPuschInfo, sizeof(SchPuschInfo));
+      schUlSlotInfo->schPuschInfo = NULL;
+   }
+
+   if(schUlSlotInfo->pucchPres)
+   {
+      ulSchedInfo.dataType |= SCH_DATATYPE_UCI;
+      fillPucchResourceInfo(&schUlSlotInfo->schPucchInfo, schInst);
+      memcpy(&ulSchedInfo.schPucchInfo, &schUlSlotInfo->schPucchInfo,
+           sizeof(SchPucchInfo));
+      memset(&schUlSlotInfo->schPucchInfo, 0, sizeof(SchPucchInfo));
+   }
+
+   //send msg to MAC
+   ret = sendUlSchInfoToMac(&ulSchedInfo, schInst);
    if(ret != ROK)
    {
       DU_LOG("\nSending UL Sch info from SCH to MAC failed");
    }
-    
-       return ret;
+
+   schInitUlSlot(schUlSlotInfo);
+   return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Fills pdcch and pdsch info for msg4
+ *
+ * @details
+ *
+ *    Function : schDlRsrcAllocMsg4
+ *
+ *    Functionality:
+ *       Fills pdcch and pdsch info for msg4
+ *
+ * @params[in] 
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t schDlRsrcAllocMsg4(DlMsgAlloc *msg4Alloc, SchCellCb *cell, uint16_t slot)
+{
+   uint8_t coreset0Idx = 0;
+   uint8_t numRbs = 0;
+   uint8_t firstSymbol = 0;
+   uint8_t numSymbols = 0;
+   uint8_t offset = 0;
+   uint8_t offsetPointA;
+   uint8_t FreqDomainResource[6] = {0};
+   uint16_t tbSize = 0;
+   uint8_t numPdschSymbols = 12; /* considering pdsch region from 2 to 13 */
+   uint8_t mcs = 4;  /* MCS fixed to 4 */
+   SchBwpDlCfg *initialBwp;
+
+   PdcchCfg *pdcch = &msg4Alloc->dlMsgPdcchCfg;
+   PdschCfg *pdsch = &msg4Alloc->dlMsgPdschCfg;
+   BwpCfg *bwp = &msg4Alloc->bwp;
+
+   initialBwp   = &cell->cellCfg.schInitialDlBwp;
+   offsetPointA = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
+   coreset0Idx  = initialBwp->pdcchCommon.commonSearchSpace.coresetId;
+
+   /* derive the sib1 coreset0 params from table 13-1 spec 38.213 */
+   numRbs        = coresetIdxTable[coreset0Idx][1];
+   numSymbols    = coresetIdxTable[coreset0Idx][2];
+   offset        = coresetIdxTable[coreset0Idx][3];
+
+   /* calculate time domain parameters */
+   uint16_t mask = 0x2000;
+   for(firstSymbol=0; firstSymbol<14;firstSymbol++)
+   {
+      if(initialBwp->pdcchCommon.commonSearchSpace.monitoringSymbol & mask)
+        break;
+      else
+        mask = mask>>1;
+   }
+
+   /* calculate the PRBs */
+   freqDomRscAllocType0(((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource);
+
+   /* fill BWP */
+   bwp->freqAlloc.numPrb   = initialBwp->bwp.freqAlloc.numPrb;
+   bwp->freqAlloc.startPrb = initialBwp->bwp.freqAlloc.startPrb;
+   bwp->subcarrierSpacing  = initialBwp->bwp.scs;
+   bwp->cyclicPrefix       = initialBwp->bwp.cyclicPrefix;
+
+   /* fill the PDCCH PDU */
+   pdcch->coresetCfg.startSymbolIndex = firstSymbol;
+   pdcch->coresetCfg.durationSymbols = numSymbols;
+   memcpy(pdcch->coresetCfg.freqDomainResource,FreqDomainResource,6);
+   pdcch->coresetCfg.cceRegMappingType = 1; /* coreset0 is always interleaved */
+   pdcch->coresetCfg.regBundleSize = 6;    /* spec-38.211 sec 7.3.2.2 */
+   pdcch->coresetCfg.interleaverSize = 2;  /* spec-38.211 sec 7.3.2.2 */
+   pdcch->coresetCfg.coreSetType = 0;
+   pdcch->coresetCfg.coreSetSize = numRbs;
+   pdcch->coresetCfg.shiftIndex = cell->cellCfg.phyCellId;
+   pdcch->coresetCfg.precoderGranularity = 0; /* sameAsRegBundle */
+   pdcch->numDlDci = 1;
+   pdcch->dci.rnti = cell->schDlSlotInfo[slot]->dlMsgInfo->crnti;
+   pdcch->dci.scramblingId = cell->cellCfg.phyCellId;
+   pdcch->dci.scramblingRnti = 0;
+   pdcch->dci.cceIndex = 4; /* considering SIB1 is sent at cce 0-1-2-3 */
+   pdcch->dci.aggregLevel = 4;
+   pdcch->dci.beamPdcchInfo.numPrgs = 1;
+   pdcch->dci.beamPdcchInfo.prgSize = 1;
+   pdcch->dci.beamPdcchInfo.digBfInterfaces = 0;
+   pdcch->dci.beamPdcchInfo.prg[0].pmIdx = 0;
+   pdcch->dci.beamPdcchInfo.prg[0].beamIdx[0] = 0;
+   pdcch->dci.txPdcchPower.powerValue = 0;
+   pdcch->dci.txPdcchPower.powerControlOffsetSS = 0;
+
+   /* fill the PDSCH PDU */
+   uint8_t cwCount = 0;
+   pdsch->pduBitmap = 0; /* PTRS and CBG params are excluded */
+   pdsch->rnti = cell->schDlSlotInfo[slot]->dlMsgInfo->crnti;
+   pdsch->pduIndex = 0;
+   pdsch->numCodewords = 1;
+   for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++)
+   {
+      pdsch->codeword[cwCount].targetCodeRate = 308;
+      pdsch->codeword[cwCount].qamModOrder = 2;
+      pdsch->codeword[cwCount].mcsIndex = mcs; /* mcs configured to 4 */
+      pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */
+      pdsch->codeword[cwCount].rvIndex = 0;
+      /* 38.214: Table 5.1.3.2-1,  divided by 8 to get the value in bytes */
+      /* TODO : Calculate tbSize based of DL CCCH msg size */
+      tbSize = schCalcTbSize(2664/8); /* send this value to the func in bytes when considering msg4 size */
+      pdsch->codeword[cwCount].tbSize = tbSize;
+   }
+   pdsch->dataScramblingId = cell->cellCfg.phyCellId;
+   pdsch->numLayers = 1;
+   pdsch->transmissionScheme = 0;
+   pdsch->refPoint = 0;
+   pdsch->dmrs.dlDmrsSymbPos = 2;
+   pdsch->dmrs.dmrsConfigType = 0; /* type-1 */
+   pdsch->dmrs.dlDmrsScramblingId = cell->cellCfg.phyCellId;
+   pdsch->dmrs.scid = 0;
+   pdsch->dmrs.numDmrsCdmGrpsNoData = 1;
+   pdsch->dmrs.dmrsPorts = 0;
+   pdsch->dmrs.mappingType      = DMRS_MAP_TYPE_A; /* Setting to Type-A */
+   pdsch->dmrs.nrOfDmrsSymbols  = NUM_DMRS_SYMBOLS;
+   pdsch->dmrs.dmrsAddPos       = DMRS_ADDITIONAL_POS;
+   pdsch->pdschFreqAlloc.resourceAllocType = 1; /* RAT type-1 RIV format */
+   /* the RB numbering starts from coreset0, and PDSCH is always above SSB */
+   pdsch->pdschFreqAlloc.freqAlloc.startPrb = offset + SCH_SSB_NUM_PRB;
+   pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize,mcs,numPdschSymbols);
+   pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */
+   pdsch->pdschTimeAlloc.timeAlloc.startSymb = 2; /* spec-38.214, Table 5.1.2.1-1 */
+   pdsch->pdschTimeAlloc.timeAlloc.numSymb = 12;
+   pdsch->beamPdschInfo.numPrgs = 1;
+   pdsch->beamPdschInfo.prgSize = 1;
+   pdsch->beamPdschInfo.digBfInterfaces = 0;
+   pdsch->beamPdschInfo.prg[0].pmIdx = 0;
+   pdsch->beamPdschInfo.prg[0].beamIdx[0] = 0;
+   pdsch->txPdschPower.powerControlOffset = 0;
+   pdsch->txPdschPower.powerControlOffsetSS = 0;
+
+   pdcch->dci.pdschCfg = pdsch;
+
+   return ROK;
+}
+
+uint16_t schAllocPucchResource(SchCellCb *cell,uint16_t crnti, uint16_t slot)
+{
+   uint8_t k1 = 1; /* dl-DataToUL-ACK RRC parameter will received from DU-APP msg4-pucch config */
+   uint16_t pucchSlot = (slot + k1)  % cell->numSlots;
+   SchUlSlotInfo  *schUlSlotInfo = NULLP;
+
+   schUlSlotInfo = cell->schUlSlotInfo[pucchSlot];
+   memset(&schUlSlotInfo->schPucchInfo, 0, sizeof(SchPucchInfo));
+
+   schUlSlotInfo->pucchPres = true;
+   schUlSlotInfo->schPucchInfo.rnti = crnti;
+
+   return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Fills pdcch and pdsch info for dedicated DL msg
+ *
+ * @details
+ *
+ *    Function : schDlRsrcAllocDlMsg
+ *
+ *    Functionality:
+ *       Fills pdcch and pdsch info for dl msg
+ *
+ * @params[in]
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t schDlRsrcAllocDlMsg(DlMsgAlloc *dlMsgAlloc, SchCellCb *cell, uint16_t crnti,
+      uint16_t accumalatedSize, uint16_t slot)
+{
+   uint8_t ueIdx;
+   uint16_t tbSize = 0;
+   uint8_t numPdschSymbols = 12; /* considering pdsch region from 2 to 13 */
+   PdcchCfg *pdcch = NULLP;
+   PdschCfg *pdsch = NULLP;
+   BwpCfg *bwp = NULLP;
+   SchUeCb ueCb;
+   SchControlRsrcSet coreset1;
+   SchPdschConfig pdschCfg;
+
+   pdcch = &dlMsgAlloc->dlMsgPdcchCfg;
+   pdsch = &dlMsgAlloc->dlMsgPdschCfg;
+   bwp = &dlMsgAlloc->bwp;
+
+   GET_UE_IDX(crnti, ueIdx);
+   ueCb  = cell->ueCb[ueIdx-1];
+   coreset1 = ueCb.ueCfg.spCellCfg.servCellCfg.initDlBwp.pdcchCfg.cRSetToAddModList[0];
+   pdschCfg = ueCb.ueCfg.spCellCfg.servCellCfg.initDlBwp.pdschCfg;
+
+   /* fill BWP */
+   bwp->freqAlloc.numPrb = MAX_NUM_RB;
+   bwp->freqAlloc.startPrb = 0;
+   bwp->subcarrierSpacing = cell->cellCfg.sib1SchCfg.bwp.subcarrierSpacing;
+   bwp->cyclicPrefix = cell->cellCfg.sib1SchCfg.bwp.cyclicPrefix;
+
+   /* fill the PDCCH PDU */
+   //Considering coreset1 also starts from same symbol as coreset0
+   pdcch->coresetCfg.startSymbolIndex = coresetIdxTable[0][3];
+   pdcch->coresetCfg.durationSymbols = coreset1.duration;
+   memcpy(pdcch->coresetCfg.freqDomainResource, coreset1.freqDomainRsrc, FREQ_DOM_RSRC_SIZE);
+   pdcch->coresetCfg.cceRegMappingType = coreset1.cceRegMappingType; /* non-interleaved */
+   pdcch->coresetCfg.regBundleSize = 6;   /* must be 6 for non-interleaved */
+   pdcch->coresetCfg.interleaverSize = 0; /* NA for non-interleaved */
+   pdcch->coresetCfg.coreSetType = 1; /* non PBCH coreset */
+   //Considering number of RBs in coreset1 is same as coreset0
+   pdcch->coresetCfg.coreSetSize = coresetIdxTable[0][1];
+   pdcch->coresetCfg.shiftIndex = cell->cellCfg.phyCellId;
+   pdcch->coresetCfg.precoderGranularity =  coreset1.precoderGranularity;
+   pdcch->numDlDci = 1;
+   pdcch->dci.rnti = ueCb.crnti;
+   pdcch->dci.scramblingId = cell->cellCfg.phyCellId;
+   pdcch->dci.scramblingRnti = 0;
+   pdcch->dci.cceIndex = 0; /* 0-3 for UL and 4-7 for DL */
+   pdcch->dci.aggregLevel = 4;
+   pdcch->dci.beamPdcchInfo.numPrgs = 1;
+   pdcch->dci.beamPdcchInfo.prgSize = 1;
+   pdcch->dci.beamPdcchInfo.digBfInterfaces = 0;
+   pdcch->dci.beamPdcchInfo.prg[0].pmIdx = 0;
+   pdcch->dci.beamPdcchInfo.prg[0].beamIdx[0] = 0;
+   pdcch->dci.txPdcchPower.powerValue = 0;
+   pdcch->dci.txPdcchPower.powerControlOffsetSS = 0;
+
+   /* fill the PDSCH PDU */
+   uint8_t cwCount = 0;
+   pdsch->pduBitmap = 0; /* PTRS and CBG params are excluded */
+   pdsch->rnti = ueCb.crnti;
+   pdsch->pduIndex = 0;
+   pdsch->numCodewords = 1;
+   for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++)
+   {
+      pdsch->codeword[cwCount].targetCodeRate = 308;
+      pdsch->codeword[cwCount].qamModOrder = ueCb.ueCfg.dlModInfo.modOrder;
+      pdsch->codeword[cwCount].mcsIndex = ueCb.ueCfg.dlModInfo.mcsIndex;
+      pdsch->codeword[cwCount].mcsTable = ueCb.ueCfg.dlModInfo.mcsTable;
+      pdsch->codeword[cwCount].rvIndex = 0;
+      tbSize = schCalcTbSize(accumalatedSize);
+      pdsch->codeword[cwCount].tbSize = tbSize;
+   }
+   pdsch->dataScramblingId = cell->cellCfg.phyCellId;
+   pdsch->numLayers = 1;
+   pdsch->transmissionScheme = 0;
+   pdsch->refPoint = 0;
+   pdsch->dmrs.dlDmrsSymbPos = 2;
+   pdsch->dmrs.dmrsConfigType = 0; /* type-1 */
+   pdsch->dmrs.dlDmrsScramblingId = cell->cellCfg.phyCellId;
+   pdsch->dmrs.scid = 0;
+   pdsch->dmrs.numDmrsCdmGrpsNoData = 1;
+   pdsch->dmrs.dmrsPorts = 0;
+   pdsch->dmrs.mappingType      = DMRS_MAP_TYPE_A; /* Setting to Type-A */
+   pdsch->dmrs.nrOfDmrsSymbols  = NUM_DMRS_SYMBOLS;
+   pdsch->dmrs.dmrsAddPos       = pdschCfg.dmrsDlCfgForPdschMapTypeA.addPos;
+   pdsch->pdschFreqAlloc.resourceAllocType = 1; /* RAT type-1 RIV format */
+   pdsch->pdschFreqAlloc.freqAlloc.startPrb = 1;
+   pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize, ueCb.ueCfg.dlModInfo.mcsIndex, numPdschSymbols);
+   pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */
+   pdsch->pdschTimeAlloc.timeAlloc.startSymb = pdschCfg.timeDomRsrcAllociList[0].startSymbol;
+   pdsch->pdschTimeAlloc.timeAlloc.numSymb = pdschCfg.timeDomRsrcAllociList[0].symbolLength;
+   pdsch->beamPdschInfo.numPrgs = 1;
+   pdsch->beamPdschInfo.prgSize = 1;
+   pdsch->beamPdschInfo.digBfInterfaces = 0;
+   pdsch->beamPdschInfo.prg[0].pmIdx = 0;
+   pdsch->beamPdschInfo.prg[0].beamIdx[0] = 0;
+   pdsch->txPdschPower.powerControlOffset = 0;
+   pdsch->txPdschPower.powerControlOffsetSS = 0;
+
+   pdcch->dci.pdschCfg = pdsch;
+   return ROK;
 }
+
 /**********************************************************************
   End of file
  **********************************************************************/