Moving all common header file into common_def.h file
[o-du/l2.git] / src / 5gnrmac / lwr_mac_fsm.c
index 800856b..494d6a5 100644 (file)
  ################################################################################
  *******************************************************************************/
 
-#include <stdlib.h>
-#include <stdint.h>
 
 /* header include files -- defines (.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_hash.h"       /* common hash list */
-#include "cm_mblk.h"       /* common memory link list library */
-#include "cm_llist.h"      /* common linked list library */
-#include "cm_err.h"        /* common error */
-#include "cm_lte.h"        /* common LTE */
+#include "common_def.h"
 #include "lrg.h"           /* Layer manager interface includes*/
 #include "crg.h"           /* CRG interface includes*/
 #include "rgu.h"           /* RGU interface includes*/
 #include "lwr_mac_fsm.h"
 
 /* header/extern include files (.x) */
-#include "gen.x"           /* general layer typedefs */
-#include "ssi.x"           /* system services typedefs */
-#include "cm5.x"           /* common timers */
-#include "cm_hash.x"       /* common hash list */
-#include "cm_lib.x"        /* common library */
-#include "cm_llist.x"      /* common linked list */
-#include "cm_mblk.x"       /* memory management */
-#include "cm_tkns.x"       /* common tokens */
-#include "cm_lte.x"       /* common tokens */
 #include "rgu.x"           /* RGU types */
 #include "tfu.x"           /* RGU types */
 #include "lrg.x"           /* layer management typedefs for MAC */
 #include "du_app_mac_inf.h"
 #include "mac.h"
 #include "rg.x"            /* typedefs for MAC */
+#include "lwr_mac_phy.h"
 
 #define MIB_SFN_BITMASK 0xFC
 #define PDCCH_PDU_TYPE 0
 #define PDSCH_PDU_TYPE 1
 #define SSB_PDU_TYPE 3
-#define SETLENGTH(x, size) x += size
+#define PRACH_PDU_TYPE 0
+#define PUSCH_PDU_TYPE 1
+#define PUCCH_PDU_TYPE 2
+#define PDU_PRESENT 1
+#define SET_MSG_LEN(x, size) x += size
 
+extern void fapiMacConfigRsp();
+extern uint8_t UnrestrictedSetNcsTable[MAX_ZERO_CORR_CFG_IDX];
 
-EXTERN void sendToPhy ARGS((uint8_t msgType, uint32_t msgLen, void *msg));
-SlotIndInfo slotIndInfo;   //global variable
+/* Global variables */
+uint8_t slotIndIdx;
+uint16_t sendTxDataReq(SlotIndInfo currTimingInfo, DlSchedInfo *dlInfo);
+
+void lwrMacInit()
+{
+#ifdef INTEL_WLS
+   uint8_t  idx;
+
+   /* Initializing WLS free mem list */
+   slotIndIdx = 1;
+   for(idx = 0; idx < WLS_MEM_FREE_PRD; idx++)
+   {
+      cmLListInit(&wlsBlockToFreeList[idx]);
+   }
+#endif
+}
 
  /*******************************************************************
   *
@@ -90,11 +92,11 @@ SlotIndInfo slotIndInfo;   //global variable
   * ****************************************************************/
 S16 lwr_mac_handleInvalidEvt(void *msg)
 {
-  printf("\nLOWER MAC: Error Indication Event[%d] received in state [%d]", clGlobalCp.event, clGlobalCp.phyState);
-  RETVALUE(ROK);
+   printf("\nLWR_MAC: Error Indication Event[%d] received in state [%d]", clGlobalCp.event, clGlobalCp.phyState);
+   RETVALUE(ROK);
 }
 
-#ifdef FAPI
+#ifdef INTEL_FAPI
 /*******************************************************************
   *
   * @brief Fills FAPI message header
@@ -624,18 +626,18 @@ PUBLIC void fillPrbMappingType(uint8_t value, ClCellParam **cellPtr)
 
 PUBLIC void fillPdschDmrsConfigType(uint8_t value, ClCellParam **cellPtr)
 {
-  if((value & FAPI_PDSCH_DMRS_CONFIG_TYPE_1_MASK) == FAPI_PDSCH_DMRS_CONFIG_TYPE_1_MASK)
-  {
-     (*cellPtr)->pdschDmrsConfigTypes = DMRS_CONFIG_TYPE_1;
-  }
-  else if((value & FAPI_PDSCH_DMRS_CONFIG_TYPE_2_MASK) == FAPI_PDSCH_DMRS_CONFIG_TYPE_2_MASK)
-  {
-     (*cellPtr)->pdschDmrsConfigTypes = DMRS_CONFIG_TYPE_2;
-  }
-  else
-  {
-     (*cellPtr)->pdschDmrsConfigTypes = INVALID_VALUE;
-  }
+   if((value & FAPI_PDSCH_DMRS_CONFIG_TYPE_1_MASK) == FAPI_PDSCH_DMRS_CONFIG_TYPE_1_MASK)
+   {
+      (*cellPtr)->pdschDmrsConfigTypes = DMRS_CONFIG_TYPE_1;
+   }
+   else if((value & FAPI_PDSCH_DMRS_CONFIG_TYPE_2_MASK) == FAPI_PDSCH_DMRS_CONFIG_TYPE_2_MASK)
+   {
+      (*cellPtr)->pdschDmrsConfigTypes = DMRS_CONFIG_TYPE_2;
+   }
+   else
+   {
+      (*cellPtr)->pdschDmrsConfigTypes = INVALID_VALUE;
+   }
 }
 
 /*******************************************************************
@@ -1249,32 +1251,32 @@ PUBLIC void fillRssiMeas(uint8_t value, ClCellParam **cellPtr)
 
 uint32_t getParamValue(fapi_uint16_tlv_t *tlv, uint16_t type)
 {
-    //uint16_t valueLen;
-    void *posPtr;
-    //valueLen = tlv->tl.length;
-    posPtr   = &tlv->tl.tag;
-    posPtr   += sizeof(tlv->tl.tag);
-    posPtr   += sizeof(tlv->tl.length);
-    /*TO DO: malloc to SSI memory */
-    if(type == FAPI_UINT_8)
-    {
-       //temp = (uint8_t *)malloc(valueLen * sizeof(U8));
-       //memcpy(temp, posPtr, valueLen);
-       return(*(uint8_t *)posPtr);
-    }
-    else if(type == FAPI_UINT_16)
-    {
-       return(*(uint16_t *)posPtr);
-    }
-    else if(type == FAPI_UINT_32)
-    {
-       return(*(uint32_t *)posPtr);
-    }
-    else
-    {
-      DU_LOG("\nLOWER MAC: Value Extraction failed" );
-      return RFAILED;
-    }
+   //uint16_t valueLen;
+   void *posPtr;
+   //valueLen = tlv->tl.length;
+   posPtr   = &tlv->tl.tag;
+   posPtr   += sizeof(tlv->tl.tag);
+   posPtr   += sizeof(tlv->tl.length);
+   /*TO DO: malloc to SSI memory */
+   if(type == FAPI_UINT_8)
+   {
+      //temp = (uint8_t *)malloc(valueLen * sizeof(U8));
+      //memcpy(temp, posPtr, valueLen);
+      return(*(uint8_t *)posPtr);
+   }
+   else if(type == FAPI_UINT_16)
+   {
+      return(*(uint16_t *)posPtr);
+   }
+   else if(type == FAPI_UINT_32)
+   {
+      return(*(uint32_t *)posPtr);
+   }
+   else
+   {
+     DU_LOG("\nLWR_MAC: Value Extraction failed" );
+     return RFAILED;
+   }
 }
 #endif /* FAPI */
  /*******************************************************************
@@ -1296,28 +1298,27 @@ uint32_t getParamValue(fapi_uint16_tlv_t *tlv, uint16_t type)
 
 S16 lwr_mac_handleParamReqEvt(void *msg)
 {
-#ifdef FAPI
+#ifdef INTEL_FAPI
    /* startGuardTimer(); */
-   uint32_t msgLen;      //Length of message Body
-   msgLen = 0;
-   fapi_param_req_t *paramReq;
-   MAC_ALLOC(paramReq, sizeof(fapi_param_req_t));
-   if(paramReq != NULLP)
+   uint32_t msgLen = 0;             //Length of message Body
+   fapi_param_req_t *paramReq = NULL;
+
+   LWR_MAC_ALLOC(paramReq, sizeof(fapi_param_req_t));
+   if(paramReq != NULL)
    {
       fillMsgHeader(&paramReq->header, FAPI_PARAM_REQUEST, msgLen);
-      DU_LOG("\nLOWER MAC: sending param Req to Phy");
-      sendToPhy(paramReq->header.message_type_id, sizeof(fapi_param_req_t), (void *)paramReq);
-      MAC_FREE(paramReq, sizeof(fapi_param_req_t));
-      return ROK;
+
+      DU_LOG("\nLWR_MAC: Sending Param Request to Phy");
+      LwrMacSendToPhy(paramReq->header.message_type_id, \
+         sizeof(fapi_param_req_t), (void *)paramReq);
    }
    else
    {
-      DU_LOG("\nLOWER MAC: Failed to allocate memory for Param Request");
+      DU_LOG("\nLWR_MAC: Failed to allocate memory for Param Request");
       return RFAILED;
    }
-#else
-   return ROK;
 #endif
+   return ROK;
 }
 
  /*******************************************************************
@@ -1339,22 +1340,22 @@ S16 lwr_mac_handleParamReqEvt(void *msg)
 
 S16 lwr_mac_handleParamRspEvt(void *msg)
 {
-#ifdef FAPI
+#ifdef INTEL_FAPI
   /* stopGuardTimer(); */
    uint8_t index;
    uint32_t encodedVal;
-       fapi_param_resp_t *paramRsp;
+   fapi_param_resp_t *paramRsp;
    ClCellParam *cellParam = NULLP;
 
    paramRsp = (fapi_param_resp_t *)msg;
-   DU_LOG("\nLOWER MAC: Received EVENT[%d] at STATE[%d]", clGlobalCp.event, clGlobalCp.phyState);
+   DU_LOG("\nLWR_MAC: Received EVENT[%d] at STATE[%d]", clGlobalCp.event, clGlobalCp.phyState);
 
    if(paramRsp != NULLP)
    {
       MAC_ALLOC(cellParam, sizeof(ClCellParam));
       if(cellParam != NULLP)
       {
-         DU_LOG("\n LOWER MAC: Filling TLVS into MAC API");
+         DU_LOG("\n LWR_MAC: Filling TLVS into MAC API");
          if(paramRsp->error_code == MSG_OK)
          {
             for(index = 0; index < paramRsp->number_of_tlvs; index++)
@@ -1365,7 +1366,7 @@ S16 lwr_mac_handleParamRspEvt(void *msg)
                      encodedVal = getParamValue(&paramRsp->tlvs[index], FAPI_UINT_16);
                      if(encodedVal != RFAILED && (encodedVal & RELEASE_15) == RELEASE_15)
                      {
-                       cellParam->releaseCapability = RELEASE_15;
+                        cellParam->releaseCapability = RELEASE_15;
                      }
                      break;
 
@@ -1374,7 +1375,7 @@ S16 lwr_mac_handleParamRspEvt(void *msg)
                      if(encodedVal != RFAILED && encodedVal != clGlobalCp.phyState)
                      {
                         printf("\n PhyState mismatch [%d][%d]", clGlobalCp.phyState, clGlobalCp.event);
-                       RETVALUE(RFAILED);
+                        RETVALUE(RFAILED);
                      }
                      break;
 
@@ -1382,11 +1383,11 @@ S16 lwr_mac_handleParamRspEvt(void *msg)
                      encodedVal = getParamValue(&paramRsp->tlvs[index], FAPI_UINT_8);
                      if(encodedVal != RFAILED && encodedVal != 0)
                      {
-                       cellParam->skipBlankDlConfig = SUPPORTED;
+                        cellParam->skipBlankDlConfig = SUPPORTED;
                      }
                      else
                      {
-                       cellParam->skipBlankDlConfig = NOT_SUPPORTED;
+                        cellParam->skipBlankDlConfig = NOT_SUPPORTED;
                      }
                      break;
 
@@ -1394,11 +1395,11 @@ S16 lwr_mac_handleParamRspEvt(void *msg)
                      encodedVal = getParamValue(&paramRsp->tlvs[index], FAPI_UINT_8);
                      if(encodedVal != RFAILED && encodedVal != 0)
                      {
-                       cellParam->skipBlankUlConfig = SUPPORTED;
+                        cellParam->skipBlankUlConfig = SUPPORTED;
                      }
                      else
                      {
-                       cellParam->skipBlankUlConfig = NOT_SUPPORTED;
+                        cellParam->skipBlankUlConfig = NOT_SUPPORTED;
                      }
                      break;
 
@@ -1515,7 +1516,7 @@ S16 lwr_mac_handleParamRspEvt(void *msg)
                      break;
 
                   case FAPI_MAX_PUCCHS_PER_SLOT_TAG:
-                      cellParam->maxPucchsPerSlot   = getParamValue(&paramRsp->tlvs[index], FAPI_UINT_8);
+                   cellParam->maxPucchsPerSlot   = getParamValue(&paramRsp->tlvs[index], FAPI_UINT_8);
                      break;
 
                   case FAPI_PDSCH_MAPPING_TYPE_TAG:
@@ -1599,7 +1600,8 @@ S16 lwr_mac_handleParamRspEvt(void *msg)
                      break;
 
                   case FAPI_MAX_MU_MIMO_USERS_DL_TAG:
-                     cellParam->maxMuMimoUsersDl         = getParamValue(&paramRsp->tlvs[index], FAPI_UINT_8);
+                     cellParam->maxMuMimoUsersDl         = \
+                                                          getParamValue(&paramRsp->tlvs[index], FAPI_UINT_8);
                      break;
 
                   case FAPI_PDSCH_DATA_IN_DMRS_SYMBOLS_TAG:
@@ -1738,7 +1740,7 @@ S16 lwr_mac_handleParamRspEvt(void *msg)
                    encodedVal = getParamValue(&paramRsp->tlvs[index], FAPI_UINT_8);
                    if(encodedVal != RFAILED && encodedVal < FAPI_PUSCH_MAX_PTRS_PORTS_UB)
                    {
-               cellParam->puschMaxPtrsPorts = encodedVal;
+                      cellParam->puschMaxPtrsPorts = encodedVal;
                    }
                    break;
 
@@ -1827,30 +1829,28 @@ S16 lwr_mac_handleParamRspEvt(void *msg)
                   break;
                default:
                //printf("\n Invalid value for TLV[%x] at index[%d]", paramRsp->tlvs[index].tl.tag, index);
-                                       break;
+               break;
               }
            }
            MAC_FREE(cellParam, sizeof(ClCellParam));
-           MAC_FREE(paramRsp, sizeof(fapi_param_resp_t));
-             
            sendToLowerMac(FAPI_CONFIG_REQUEST, 0, (void *)NULL);
            return ROK;
          }
          else
          {
-            DU_LOG("\n LOWER MAC: Invalid error code %d", paramRsp->error_code);
+            DU_LOG("\n LWR_MAC: Invalid error code %d", paramRsp->error_code);
             return RFAILED;
          }
      }
      else
      {
-        DU_LOG("\nLOWER MAC: Failed to allocate memory for cell param");
+        DU_LOG("\nLWR_MAC: Failed to allocate memory for cell param");
         return RFAILED;
      }
    }
    else
    {
-       DU_LOG("\nLOWER MAC:  Param Response received from PHY is NULL");
+       DU_LOG("\nLWR_MAC:  Param Response received from PHY is NULL");
        return RFAILED;
    }
 #else
@@ -1877,177 +1877,287 @@ S16 lwr_mac_handleParamRspEvt(void *msg)
 
 S16 lwr_mac_handleConfigReqEvt(void *msg)
 {
-#ifdef FAPI
+#ifdef INTEL_FAPI
+   Inst inst = 0;
+   uint8_t idx = 0;
    uint8_t index = 0;
    uint32_t msgLen = 0;
    uint32_t configReqSize;
    RgCellCb  *cellParams;
    MacCellCfg macCfgParams;
-   Inst inst = 0;
+   fapi_config_req_t *configReq;
 
-   DU_LOG("\nLOWER MAC: Received EVENT[%d] at STATE[%d]", clGlobalCp.event, clGlobalCp.phyState);
+   DU_LOG("\nLWR_MAC: Received EVENT[%d] at STATE[%d]", clGlobalCp.event, \
+      clGlobalCp.phyState);
 
-   fapi_config_req_t *configReq;
    cellParams = rgCb[inst].cell;
    macCfgParams = cellParams->macCellCfg;
-   configReqSize = sizeof(fapi_config_req_t) + (macCfgParams.numTlv * sizeof(fapi_uint16_tlv_t));
-   MAC_ALLOC(configReq, configReqSize);
 
+   configReqSize = sizeof(fapi_config_req_t);
+   LWR_MAC_ALLOC(configReq, configReqSize);
    if(configReq != NULL)
    {
+      msgLen = sizeof(macCfgParams.numTlv);
       configReq->number_of_tlvs = macCfgParams.numTlv;
 
       if(macCfgParams.dlCarrCfg.pres)
       {
-         fillTlvs(&configReq->tlvs[index++], FAPI_DL_BANDWIDTH_TAG,            sizeof(uint16_t), macCfgParams.dlCarrCfg.bw, &msgLen);
-         fillTlvs(&configReq->tlvs[index++], FAPI_DL_FREQUENCY_TAG,            sizeof(uint32_t), macCfgParams.dlCarrCfg.freq, &msgLen);
-         fillTlvs(&configReq->tlvs[index++], FAPI_DL_K0_TAG,                   sizeof(uint16_t), macCfgParams.dlCarrCfg.k0[0], &msgLen);
-         fillTlvs(&configReq->tlvs[index++], FAPI_DL_GRIDSIZE_TAG,             sizeof(uint16_t), macCfgParams.dlCarrCfg.gridSize[0], &msgLen);
-         fillTlvs(&configReq->tlvs[index++], FAPI_NUM_TX_ANT_TAG,              sizeof(uint16_t), macCfgParams.dlCarrCfg.numAnt, &msgLen);
+         fillTlvs(&configReq->tlvs[index++], FAPI_DL_BANDWIDTH_TAG,           \
+            sizeof(uint16_t), macCfgParams.dlCarrCfg.bw, &msgLen);
+         fillTlvs(&configReq->tlvs[index++], FAPI_DL_FREQUENCY_TAG,           \
+            sizeof(uint32_t), macCfgParams.dlCarrCfg.freq, &msgLen);
+         fillTlvs(&configReq->tlvs[index++], FAPI_DL_K0_TAG,                  \
+            sizeof(uint16_t), macCfgParams.dlCarrCfg.k0[0], &msgLen);
+         fillTlvs(&configReq->tlvs[index++], FAPI_DL_GRIDSIZE_TAG,            \
+            sizeof(uint16_t), macCfgParams.dlCarrCfg.gridSize[0], &msgLen);
+         fillTlvs(&configReq->tlvs[index++], FAPI_NUM_TX_ANT_TAG,             \
+            sizeof(uint16_t), macCfgParams.dlCarrCfg.numAnt, &msgLen);
       }
       if(macCfgParams.ulCarrCfg.pres)
       {
-         fillTlvs(&configReq->tlvs[index++], FAPI_UPLINK_BANDWIDTH_TAG,        sizeof(uint16_t), macCfgParams.ulCarrCfg.bw, &msgLen);
-         fillTlvs(&configReq->tlvs[index++], FAPI_UPLINK_FREQUENCY_TAG,        sizeof(uint32_t), macCfgParams.ulCarrCfg.freq, &msgLen);
-         fillTlvs(&configReq->tlvs[index++], FAPI_UL_K0_TAG,                   sizeof(uint16_t), macCfgParams.ulCarrCfg.k0[0], &msgLen);
-         fillTlvs(&configReq->tlvs[index++], FAPI_UL_GRID_SIZE_TAG,            sizeof(uint16_t), macCfgParams.ulCarrCfg.gridSize[0], &msgLen);
-         fillTlvs(&configReq->tlvs[index++], FAPI_NUM_RX_ANT_TAG,              sizeof(uint16_t), macCfgParams.ulCarrCfg.numAnt, &msgLen);
+         fillTlvs(&configReq->tlvs[index++], FAPI_UPLINK_BANDWIDTH_TAG,       \
+            sizeof(uint16_t), macCfgParams.ulCarrCfg.bw, &msgLen);
+         fillTlvs(&configReq->tlvs[index++], FAPI_UPLINK_FREQUENCY_TAG,       \
+            sizeof(uint32_t), macCfgParams.ulCarrCfg.freq, &msgLen);
+         fillTlvs(&configReq->tlvs[index++], FAPI_UL_K0_TAG,                  \
+            sizeof(uint16_t), macCfgParams.ulCarrCfg.k0[0], &msgLen);
+         fillTlvs(&configReq->tlvs[index++], FAPI_UL_GRID_SIZE_TAG,           \
+            sizeof(uint16_t), macCfgParams.ulCarrCfg.gridSize[0], &msgLen);
+         fillTlvs(&configReq->tlvs[index++], FAPI_NUM_RX_ANT_TAG,             \
+            sizeof(uint16_t), macCfgParams.ulCarrCfg.numAnt, &msgLen);
       }
-      fillTlvs(&configReq->tlvs[index++], FAPI_FREQUENCY_SHIFT_7P5_KHZ_TAG,    sizeof(uint8_t), macCfgParams.freqShft, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_FREQUENCY_SHIFT_7P5_KHZ_TAG,   \
+         sizeof(uint8_t), macCfgParams.freqShft, &msgLen);
 
       /* fill cell config */
-      fillTlvs(&configReq->tlvs[index++], FAPI_PHY_CELL_ID_TAG,                sizeof(uint8_t), macCfgParams.phyCellId, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_FRAME_DUPLEX_TYPE_TAG,          sizeof(uint8_t), macCfgParams.dupType, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_PHY_CELL_ID_TAG,               \
+         sizeof(uint8_t), macCfgParams.phyCellId, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_FRAME_DUPLEX_TYPE_TAG,         \
+         sizeof(uint8_t), macCfgParams.dupType, &msgLen);
 
       /* fill SSB configuration */
-      fillTlvs(&configReq->tlvs[index++], FAPI_SS_PBCH_POWER_TAG,              sizeof(uint32_t), macCfgParams.ssbCfg.ssbPbchPwr, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_BCH_PAYLOAD_TAG,                sizeof(uint8_t), macCfgParams.ssbCfg.bchPayloadFlag, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_SCS_COMMON_TAG,                 sizeof(uint8_t), macCfgParams.ssbCfg.scsCmn, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_SS_PBCH_POWER_TAG,             \
+         sizeof(uint32_t), macCfgParams.ssbCfg.ssbPbchPwr, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_BCH_PAYLOAD_TAG,               \
+         sizeof(uint8_t), macCfgParams.ssbCfg.bchPayloadFlag, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_SCS_COMMON_TAG,                \
+         sizeof(uint8_t), macCfgParams.ssbCfg.scsCmn, &msgLen);
 
       /* fill PRACH configuration */
-      fillTlvs(&configReq->tlvs[index++], FAPI_PRACH_SEQUENCE_LENGTH_TAG,      sizeof(uint8_t), macCfgParams.prachCfg.prachSeqLen, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_PRACH_SUBC_SPACING_TAG,         sizeof(uint8_t), macCfgParams.prachCfg.prachSubcSpacing, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_RESTRICTED_SET_CONFIG_TAG,      sizeof(uint8_t), macCfgParams.prachCfg.prachRstSetCfg, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_PRACH_SEQUENCE_LENGTH_TAG,     \
+         sizeof(uint8_t), macCfgParams.prachCfg.prachSeqLen, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_PRACH_SUBC_SPACING_TAG,        \
+         sizeof(uint8_t), macCfgParams.prachCfg.prachSubcSpacing, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_RESTRICTED_SET_CONFIG_TAG,     \
+         sizeof(uint8_t), macCfgParams.prachCfg.prachRstSetCfg, &msgLen);
       fillTlvs(&configReq->tlvs[index++], FAPI_NUM_PRACH_FD_OCCASIONS_TAG,
-                               sizeof(uint8_t), macCfgParams.prachCfg.msg1Fdm, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_PRACH_ROOT_SEQUENCE_INDEX_TAG,  sizeof(uint16_t), macCfgParams.prachCfg.fdm[0].rootSeqIdx, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_NUM_ROOT_SEQUENCES_TAG,         sizeof(uint8_t), macCfgParams.prachCfg.fdm[0].numRootSeq, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_K1_TAG,                         sizeof(uint16_t), macCfgParams.prachCfg.fdm[0].k1, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_PRACH_ZERO_CORR_CONF_TAG ,      sizeof(uint8_t), macCfgParams.prachCfg.fdm[0].zeroCorrZoneCfg, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_NUM_UNUSED_ROOT_SEQUENCES_TAG,  sizeof(uint8_t), macCfgParams.prachCfg.fdm[0].numUnusedRootSeq, &msgLen);
-      //MAC_ALLOC(macCfgParams.prachCfg.fdm[0].unsuedRootSeq, \
-         sizeof(uint8_t)*macCfgParams.prachCfg.fdm[0].numUnusedRootSeq);
-      macCfgParams.prachCfg.fdm[0].unsuedRootSeq = (uint8_t *)malloc(sizeof(uint8_t)*macCfgParams.prachCfg.fdm[0].numUnusedRootSeq);
-      fillTlvs(&configReq->tlvs[index++], FAPI_UNUSED_ROOT_SEQUENCES_TAG,
-                  sizeof(uint8_t), *(macCfgParams.prachCfg.fdm[0].unsuedRootSeq), &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_SSB_PER_RACH_TAG,               sizeof(uint8_t), macCfgParams.prachCfg.ssbPerRach, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_PRACH_MULTIPLE_CARRIERS_IN_A_BAND_TAG,  sizeof(uint8_t), macCfgParams.prachCfg.prachMultCarrBand, &msgLen);
+         sizeof(uint8_t), macCfgParams.prachCfg.msg1Fdm, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_PRACH_ROOT_SEQUENCE_INDEX_TAG, \
+         sizeof(uint16_t), macCfgParams.prachCfg.fdm[0].rootSeqIdx, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_NUM_ROOT_SEQUENCES_TAG,        \
+         sizeof(uint8_t), macCfgParams.prachCfg.fdm[0].numRootSeq, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_K1_TAG,                        \
+         sizeof(uint16_t), macCfgParams.prachCfg.fdm[0].k1, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_PRACH_ZERO_CORR_CONF_TAG ,     \
+         sizeof(uint8_t), macCfgParams.prachCfg.fdm[0].zeroCorrZoneCfg, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_NUM_UNUSED_ROOT_SEQUENCES_TAG, \
+         sizeof(uint8_t), macCfgParams.prachCfg.fdm[0].numUnusedRootSeq, &msgLen);
+      if(macCfgParams.prachCfg.fdm[0].numUnusedRootSeq)
+      {
+         for(idx = 0; idx < macCfgParams.prachCfg.fdm[0].numUnusedRootSeq; idx++)
+            fillTlvs(&configReq->tlvs[index++], FAPI_UNUSED_ROOT_SEQUENCES_TAG,   \
+               sizeof(uint8_t), macCfgParams.prachCfg.fdm[0].unsuedRootSeq[idx], \
+               &msgLen);
+      }
+      else
+      {
+         macCfgParams.prachCfg.fdm[0].unsuedRootSeq = NULL;
+      }
+
+      fillTlvs(&configReq->tlvs[index++], FAPI_SSB_PER_RACH_TAG,              \
+         sizeof(uint8_t), macCfgParams.prachCfg.ssbPerRach, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_PRACH_MULTIPLE_CARRIERS_IN_A_BAND_TAG,  \
+         sizeof(uint8_t), macCfgParams.prachCfg.prachMultCarrBand, &msgLen);
 
       /* fill SSB table */
-      fillTlvs(&configReq->tlvs[index++], FAPI_SSB_OFFSET_POINT_A_TAG,         sizeof(uint16_t), macCfgParams.ssbCfg.ssbOffsetPointA, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_BETA_PSS_TAG,                   sizeof(uint8_t),  macCfgParams.ssbCfg.betaPss, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_SSB_PERIOD_TAG,                 sizeof(uint8_t),  macCfgParams.ssbCfg.ssbPeriod, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_SSB_SUBCARRIER_OFFSET_TAG,      sizeof(uint8_t),  macCfgParams.ssbCfg.ssbScOffset, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_MIB_TAG ,                       sizeof(uint32_t), macCfgParams.ssbCfg.mibPdu[0], &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_SSB_MASK_TAG,                   sizeof(uint32_t), macCfgParams.ssbCfg.ssbMask[0], &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_BEAM_ID_TAG,                    sizeof(uint8_t),  macCfgParams.ssbCfg.beamId[0], &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_SS_PBCH_MULTIPLE_CARRIERS_IN_A_BAND_TAG, sizeof(uint8_t), macCfgParams.ssbCfg.multCarrBand, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_MULTIPLE_CELLS_SS_PBCH_IN_A_CARRIER_TAG, sizeof(uint8_t), macCfgParams.ssbCfg.multCellCarr, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_SSB_OFFSET_POINT_A_TAG,        \
+         sizeof(uint16_t), macCfgParams.ssbCfg.ssbOffsetPointA, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_BETA_PSS_TAG,                  \
+         sizeof(uint8_t),  macCfgParams.ssbCfg.betaPss, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_SSB_PERIOD_TAG,                \
+         sizeof(uint8_t),  macCfgParams.ssbCfg.ssbPeriod, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_SSB_SUBCARRIER_OFFSET_TAG,     \
+         sizeof(uint8_t),  macCfgParams.ssbCfg.ssbScOffset, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_MIB_TAG ,                      \
+         sizeof(uint32_t), macCfgParams.ssbCfg.mibPdu[0], &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_SSB_MASK_TAG,                  \
+         sizeof(uint32_t), macCfgParams.ssbCfg.ssbMask[0], &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_BEAM_ID_TAG,                   \
+         sizeof(uint8_t),  macCfgParams.ssbCfg.beamId[0], &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_SS_PBCH_MULTIPLE_CARRIERS_IN_A_BAND_TAG, \
+         sizeof(uint8_t), macCfgParams.ssbCfg.multCarrBand, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_MULTIPLE_CELLS_SS_PBCH_IN_A_CARRIER_TAG, \
+         sizeof(uint8_t), macCfgParams.ssbCfg.multCellCarr, &msgLen);
 
       /* fill TDD table */
-      fillTlvs(&configReq->tlvs[index++], FAPI_TDD_PERIOD_TAG,                 sizeof(uint8_t), macCfgParams.tddCfg.tddPeriod, &msgLen);
-      fillTlvs(&configReq->tlvs[index++], FAPI_SLOT_CONFIG_TAG,                sizeof(uint8_t), macCfgParams.tddCfg.slotCfg[0][0], &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_TDD_PERIOD_TAG,                \
+         sizeof(uint8_t), macCfgParams.tddCfg.tddPeriod, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_SLOT_CONFIG_TAG,               \
+         sizeof(uint8_t), macCfgParams.tddCfg.slotCfg[0][0], &msgLen);
 
       /* fill measurement config */
-      fillTlvs(&configReq->tlvs[index++], FAPI_RSSI_MESUREMENT_TAG,            sizeof(uint8_t), macCfgParams.rssiUnit, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_RSSI_MESUREMENT_TAG,           \
+         sizeof(uint8_t), macCfgParams.rssiUnit, &msgLen);
+
+      /* fill DMRS Type A Pos */
+               fillTlvs(&configReq->tlvs[index++], FAPI_DMRS_TYPE_A_POS_TAG,           \
+                  sizeof(uint8_t), macCfgParams.dmrsTypeAPos, &msgLen);
 
       fillMsgHeader(&configReq->header, FAPI_CONFIG_REQUEST, msgLen);
-      DU_LOG("\nLOWER_MAC: Sending Config Request to Phy");
-      sendToPhy(configReq->header.message_type_id, msgLen, (void *)configReq);
-      MAC_FREE(configReq, configReqSize);
-      return ROK;
+
+      DU_LOG("\nLWR_MAC: Sending Config Request to Phy");
+      LwrMacSendToPhy(configReq->header.message_type_id, configReqSize, (void *)configReq);
    }
    else
    {
-      DU_LOG("\nLOWER_MAC: Failed to allocate memory for config Request");
+      DU_LOG("\nLWR_MAC: Failed to allocate memory for config Request");
       return RFAILED;
    }
-#else
-   return ROK;
 #endif
-}
+
+   return ROK;
+} /* lwr_mac_handleConfigReqEvt */
+
+/*******************************************************************
+ *
+ * @brief Processes config response from phy
+ *
+ * @details
+ *
+ *    Function : lwr_mac_handleConfigRspEvt
+ *
+ *    Functionality:
+ *          Processes config response from phy
+ *
+ * @params[in] FAPI message pointer 
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
 
 S16 lwr_mac_handleConfigRspEvt(void *msg)
 {
-#ifdef FAPI
+#ifdef INTEL_FAPI
    fapi_config_resp_t *configRsp;
-       configRsp = (fapi_config_resp_t *)msg;
-   DU_LOG("\nLOWER MAC: Received EVENT[%d] at STATE[%d]", clGlobalCp.event, clGlobalCp.phyState);
+   configRsp = (fapi_config_resp_t *)msg;
+
+   DU_LOG("\nLWR_MAC: Received EVENT[%d] at STATE[%d]", clGlobalCp.event, \
+      clGlobalCp.phyState);
 
    if(configRsp != NULL)
    {
       if(configRsp->error_code == MSG_OK)
       {
-         DU_LOG("\nLOWER MAC: PHY has moved to Conigured state \n");
+         DU_LOG("\nLWR_MAC: PHY has moved to Configured state \n");
          clGlobalCp.phyState = PHY_STATE_CONFIGURED;
          /* TODO : 
           * Store config response into an intermediate struture and send to MAC
           * Support LC and LWLC for sending config rsp to MAC 
           */
          fapiMacConfigRsp();
-         MAC_FREE(configRsp, sizeof(fapi_config_resp_t));
-         return ROK;
       }
       else
       {
-
-         DU_LOG("\n LOWER MAC: Invalid error code %d", configRsp->error_code);
+         DU_LOG("\n LWR_MAC: Invalid error code %d", configRsp->error_code);
          return RFAILED;
       }
    }
    else
    {
-      DU_LOG("\nLOWER_MAC: Config Response received from PHY is NULL");
+      DU_LOG("\nLWR_MAC: Config Response received from PHY is NULL");
       return RFAILED;
    }
-#else
-   return ROK;
 #endif
-}
 
+   return ROK;
+} /* lwr_mac_handleConfigRspEvt */
+
+/*******************************************************************
+ *
+ * @brief Build and send start request to phy
+ *
+ * @details
+ *
+ *    Function : lwr_mac_handleStartReqEvt
+ *
+ *    Functionality:
+ *       Build and send start request to phy
+ *
+ * @params[in] FAPI message pointer
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
 S16 lwr_mac_handleStartReqEvt(void *msg)
 {
-#ifdef FAPI
+#ifdef INTEL_FAPI
    uint32_t msgLen = 0;
    fapi_start_req_t *startReq;
-   MAC_ALLOC(startReq, sizeof(fapi_start_req_t));
 
+   LWR_MAC_ALLOC(startReq, sizeof(fapi_start_req_t));
    if(startReq != NULL)
    {
       fillMsgHeader(&startReq->header, FAPI_START_REQUEST, msgLen);
-      DU_LOG("\nLOWER MAC: Sending Start Request to PHY");
-      sendToPhy(startReq->header.message_type_id, sizeof(fapi_start_req_t), (void *)startReq);
-      MAC_FREE(startReq, sizeof(fapi_start_req_t));
-      return ROK;
+
+      DU_LOG("\nLWR_MAC: Sending Start Request to PHY");
+      LwrMacSendToPhy(startReq->header.message_type_id, sizeof(fapi_start_req_t),\
+         (void *)startReq);
    }
    else
    {
-      DU_LOG("\nLOWER MAC: Failed to allocate memory for Start Request");
+      DU_LOG("\nLWR_MAC: Failed to allocate memory for Start Request");
       return RFAILED;
    }
-#else
-   return ROK;
 #endif
-}
+   return ROK;
+} /* lwr_mac_handleStartReqEvt */
+
+ /*******************************************************************
+  *
+  * @brief Sends FAPI Stop Req to PHY
+  *
+  * @details
+  *
+  *    Function : lwr_mac_handleStopReqEvt
+  *
+  *    Functionality:
+  *         -Sends FAPI Stop Req to PHY
+  *
+  * @params[in]
+  * @return ROK     - success
+  *         RFAILED - failure
+  *
+  ********************************************************************/
 
 S16 lwr_mac_handleStopReqEvt(void *msg)
 {
-#ifdef FAPI
-   /* stop TX and RX operation return PHy to configured State
-      send stop.indication to l2/l3 */
-#else
-   RETVALUE(ROK);
+#ifdef INTEL_FAPI
+   uint32_t msgLen = 0;
+   fapi_stop_req_t *stopReq = NULLP;
+   LWR_MAC_ALLOC(stopReq, sizeof(fapi_stop_req_t));
+   if(stopReq != NULLP)
+   {
+      fillMsgHeader(&stopReq->header, FAPI_STOP_REQUEST, msgLen);
+      DU_LOG("\nLOWER MAC: Sending Stop Request to PHY");
+      LwrMacSendToPhy(stopReq->header.message_type_id, sizeof(fapi_stop_req_t), (void *)stopReq);
+   }
+   else
+   {
+      DU_LOG("\nLOWER MAC: Failed to allocate memory for Stop Request");
+      return RFAILED;
+   }
 #endif
+   return ROK;
 }
 
 /*******************************************************************
@@ -2066,14 +2176,14 @@ S16 lwr_mac_handleStopReqEvt(void *msg)
  *             pointer to modified value
  ******************************************************************/
 
-PUBLIC void setMibPdu(uint8_t *mibPdu, uint32_t *val)
+PUBLIC void setMibPdu(uint8_t *mibPdu, uint32_t *val, uint16_t sfn)
 {
-   *mibPdu |= (((uint8_t)(slotIndInfo.sfn >> 2)) & MIB_SFN_BITMASK);
+   *mibPdu |= (((uint8_t)(sfn >> 2)) & MIB_SFN_BITMASK);
    *val = (mibPdu[0] << 24 | mibPdu[1] << 16 | mibPdu[2] << 8);
-    DU_LOG("\nLOWER MAC: value filled %x", *val);
+    DU_LOG("\nLWR_MAC: MIB PDU %x", *val);
 }
 
-#ifdef FAPI
+#ifdef INTEL_FAPI
 /*******************************************************************
  *
  * @brief fills SSB PDU required for DL TTI info in MAC
@@ -2094,8 +2204,7 @@ PUBLIC void setMibPdu(uint8_t *mibPdu, uint32_t *val)
  ******************************************************************/
 
 S16 fillSsbPdu(fapi_dl_tti_req_pdu_t *dlTtiReqPdu, MacCellCfg *macCellCfg,
-       MacDlSlot *currDlSlot,
-       uint32_t *msgLen, uint8_t ssbIdxCount) 
+   MacDlSlot *currDlSlot, uint32_t *msgLen, uint8_t ssbIdxCount, uint16_t sfn)
 {
    uint32_t mibPayload = 0;
    if(dlTtiReqPdu != NULL)
@@ -2103,13 +2212,13 @@ S16 fillSsbPdu(fapi_dl_tti_req_pdu_t *dlTtiReqPdu, MacCellCfg *macCellCfg,
       dlTtiReqPdu->pduType = SSB_PDU_TYPE;     /* SSB PDU */
       dlTtiReqPdu->u.ssb_pdu.physCellId = macCellCfg->phyCellId;
       dlTtiReqPdu->u.ssb_pdu.betaPss = macCellCfg->ssbCfg.betaPss;
-      dlTtiReqPdu->u.ssb_pdu.ssbBlockIndex = currDlSlot->cellBroadcastInfo.ssbInfo[ssbIdxCount].ssbIdx;
+      dlTtiReqPdu->u.ssb_pdu.ssbBlockIndex = currDlSlot->dlInfo.brdcstAlloc.ssbInfo[ssbIdxCount].ssbIdx;
       dlTtiReqPdu->u.ssb_pdu.ssbSubCarrierOffset = macCellCfg->ssbCfg.ssbScOffset;
       /* ssbOfPdufstA to be filled in ssbCfg */
       dlTtiReqPdu->u.ssb_pdu.ssbOffsetPointA = macCellCfg->ssbCfg.ssbOffsetPointA;
       dlTtiReqPdu->u.ssb_pdu.bchPayloadFlag = macCellCfg->ssbCfg.bchPayloadFlag;
       /* Bit manipulation for SFN */
-      setMibPdu(macCellCfg->ssbCfg.mibPdu, &mibPayload);
+      setMibPdu(macCellCfg->ssbCfg.mibPdu, &mibPayload, sfn);
       dlTtiReqPdu->u.ssb_pdu.bchPayload.v.bchPayload = mibPayload;
       dlTtiReqPdu->u.ssb_pdu.preCodingAndBeamforming.numPrgs = 0;
       dlTtiReqPdu->u.ssb_pdu.preCodingAndBeamforming.prgSize = 0;
@@ -2118,7 +2227,8 @@ S16 fillSsbPdu(fapi_dl_tti_req_pdu_t *dlTtiReqPdu, MacCellCfg *macCellCfg,
       dlTtiReqPdu->u.ssb_pdu.preCodingAndBeamforming. \
          pmi_bfi[0].beamIdx[0].beamidx = macCellCfg->ssbCfg.beamId[0];
       dlTtiReqPdu->pduSize = sizeof(fapi_dl_ssb_pdu_t);  /* Size of SSB PDU */
-      SETLENGTH(*msgLen, sizeof(fapi_dl_ssb_pdu_t));
+      SET_MSG_LEN(*msgLen, (sizeof(dlTtiReqPdu->pduType) + \
+         sizeof(dlTtiReqPdu->pduSize) + sizeof(fapi_dl_ssb_pdu_t)));
       return ROK;
     }
     else
@@ -2133,37 +2243,442 @@ S16 fillSsbPdu(fapi_dl_tti_req_pdu_t *dlTtiReqPdu, MacCellCfg *macCellCfg,
  *
  * @details
  *
- *    Function : fillDlDciPdu
+ *    Function : fillSib1DlDciPdu
  *
  *    Functionality:
  *         -Fills the Dl DCI PDU
  *
  * @params[in] Pointer to fapi_dl_dci_t
- *             Pointer to Sib1PdcchCfg
+ *             Pointer to PdcchCfg
  * @return ROK
  *
  ******************************************************************/
 
-void fillDlDciPdu(fapi_dl_dci_t *dlDciPtr, Sib1PdcchCfg *sib1PdcchInfo)
+void fillSib1DlDciPdu(fapi_dl_dci_t *dlDciPtr, PdcchCfg *sib1PdcchInfo)
 {
    if(dlDciPtr != NULLP)
    {
-      dlDciPtr->rnti = sib1PdcchInfo->sib1DlDci.rnti;
-      dlDciPtr->scramblingId = sib1PdcchInfo->sib1DlDci.scramblingId;    
-      dlDciPtr->scramblingRnti = sib1PdcchInfo->sib1DlDci.scramblingRnti;
-      dlDciPtr->cceIndex = sib1PdcchInfo->sib1DlDci.cceIndex;
-      dlDciPtr->aggregationLevel = sib1PdcchInfo->sib1DlDci.aggregLevel;
-      dlDciPtr->pc_and_bform.numPrgs = sib1PdcchInfo->sib1DlDci.beamPdcchInfo.numPrgs;
-      dlDciPtr->pc_and_bform.prgSize = sib1PdcchInfo->sib1DlDci.beamPdcchInfo.prgSize;
-      dlDciPtr->pc_and_bform.digBfInterfaces = sib1PdcchInfo->sib1DlDci.beamPdcchInfo.digBfInterfaces;
-      dlDciPtr->pc_and_bform.pmi_bfi[0].pmIdx = sib1PdcchInfo->sib1DlDci.beamPdcchInfo.prg[0].pmIdx;
-      dlDciPtr->pc_and_bform.pmi_bfi[0].beamIdx[0].beamidx = sib1PdcchInfo->sib1DlDci.beamPdcchInfo.prg[0].beamIdx[0];
-      dlDciPtr->beta_pdcch_1_0 = sib1PdcchInfo->sib1DlDci.txPdcchPower.powerValue;           
-      dlDciPtr->powerControlOfssetSS = sib1PdcchInfo->sib1DlDci.txPdcchPower.powerControlOffsetSS;
-      //dlDciPtr->payloadSizeBits;
-      //dlDciPtr->payload[DCI_PAYLOAD_BYTE_LEN];
+      uint8_t numBytes;
+      uint8_t bytePos;
+      uint8_t bitPos;
+      
+      uint16_t coreset0Size;
+      uint16_t rbStart;
+      uint16_t rbLen;
+      uint32_t freqDomResAssign;
+      uint32_t timeDomResAssign;
+      uint8_t  VRB2PRBMap;
+      uint32_t modNCodScheme;
+      uint8_t  redundancyVer;
+      uint32_t sysInfoInd;
+      uint32_t reserved;
+
+      /* Size(in bits) of each field in DCI format 0_1 
+       * as mentioned in spec 38.214 */
+      uint8_t freqDomResAssignSize;
+      uint8_t timeDomResAssignSize = 4;
+      uint8_t VRB2PRBMapSize       = 1;
+      uint8_t modNCodSchemeSize    = 5;
+      uint8_t redundancyVerSize    = 2;
+      uint8_t sysInfoIndSize       = 1;
+      uint8_t reservedSize         = 15;
+
+      dlDciPtr->rnti = sib1PdcchInfo->dci.rnti;
+      dlDciPtr->scramblingId = sib1PdcchInfo->dci.scramblingId;    
+      dlDciPtr->scramblingRnti = sib1PdcchInfo->dci.scramblingRnti;
+      dlDciPtr->cceIndex = sib1PdcchInfo->dci.cceIndex;
+      dlDciPtr->aggregationLevel = sib1PdcchInfo->dci.aggregLevel;
+      dlDciPtr->pc_and_bform.numPrgs = sib1PdcchInfo->dci.beamPdcchInfo.numPrgs;
+      dlDciPtr->pc_and_bform.prgSize = sib1PdcchInfo->dci.beamPdcchInfo.prgSize;
+      dlDciPtr->pc_and_bform.digBfInterfaces = sib1PdcchInfo->dci.beamPdcchInfo.digBfInterfaces;
+      dlDciPtr->pc_and_bform.pmi_bfi[0].pmIdx = sib1PdcchInfo->dci.beamPdcchInfo.prg[0].pmIdx;
+      dlDciPtr->pc_and_bform.pmi_bfi[0].beamIdx[0].beamidx = sib1PdcchInfo->dci.beamPdcchInfo.prg[0].beamIdx[0];
+      dlDciPtr->beta_pdcch_1_0 = sib1PdcchInfo->dci.txPdcchPower.powerValue;           
+      dlDciPtr->powerControlOfssetSS = sib1PdcchInfo->dci.txPdcchPower.powerControlOffsetSS;
+
+      /* Calculating freq domain resource allocation field value and size
+       * coreset0Size = Size of coreset 0
+       * RBStart = Starting Virtual Rsource block
+       * RBLen = length of contiguously allocted RBs
+       * Spec 38.214 Sec 5.1.2.2.2
+       */
+      coreset0Size= sib1PdcchInfo->coreset0Cfg.coreSet0Size;
+      rbStart = 0;              /* For SIB1 */
+      //rbStart = sib1PdcchInfo->dci.pdschCfg->pdschFreqAlloc.freqAlloc.startPrb;
+      rbLen = sib1PdcchInfo->dci.pdschCfg->pdschFreqAlloc.freqAlloc.numPrb;
+
+      if((rbLen >=1) && (rbLen <= coreset0Size - rbStart))
+      {
+         if((rbLen - 1) <= floor(coreset0Size / 2))
+            freqDomResAssign = (coreset0Size * (rbLen-1)) + rbStart;
+         else
+            freqDomResAssign = (coreset0Size * (coreset0Size - rbLen + 1)) \
+               + (coreset0Size - 1 - rbStart);
+
+         freqDomResAssignSize = ceil(log2(coreset0Size * (coreset0Size + 1) / 2));
+      }
+
+      /* Fetching DCI field values */
+      timeDomResAssign = sib1PdcchInfo->dci.pdschCfg->pdschTimeAlloc.
+                         rowIndex -1;
+      VRB2PRBMap       = sib1PdcchInfo->dci.pdschCfg->pdschFreqAlloc.\
+                         vrbPrbMapping;
+      modNCodScheme    = sib1PdcchInfo->dci.pdschCfg->codeword[0].mcsIndex;
+      redundancyVer    = sib1PdcchInfo->dci.pdschCfg->codeword[0].rvIndex;
+      sysInfoInd       = 0;           /* 0 for SIB1; 1 for SI messages */
+      reserved         = 0;
+
+      /* Reversing bits in each DCI field */
+      freqDomResAssign = reverseBits(freqDomResAssign, freqDomResAssignSize);
+      timeDomResAssign = reverseBits(timeDomResAssign, timeDomResAssignSize);
+      VRB2PRBMap       = reverseBits(VRB2PRBMap, VRB2PRBMapSize);
+      modNCodScheme    = reverseBits(modNCodScheme, modNCodSchemeSize);
+      redundancyVer    = reverseBits(redundancyVer, redundancyVerSize);
+      sysInfoInd       = reverseBits(sysInfoInd, sysInfoIndSize);
+
+     /* Calulating total number of bytes in buffer */
+     dlDciPtr->payloadSizeBits = freqDomResAssignSize + timeDomResAssignSize\
+              + VRB2PRBMapSize + modNCodSchemeSize + redundancyVerSize\
+              + sysInfoIndSize + reservedSize;
+
+     numBytes = dlDciPtr->payloadSizeBits / 8;
+     if(dlDciPtr->payloadSizeBits % 8)
+        numBytes += 1;
+
+     if(numBytes > DCI_PAYLOAD_BYTE_LEN)
+     {
+        DU_LOG("\nLWR_MAC : Total bytes for DCI is more than expected");
+        return;
+     }
+
+     /* Initialize buffer */
+     for(bytePos = 0; bytePos < numBytes; bytePos++)
+        dlDciPtr->payload[bytePos] = 0;
+
+     bytePos = numBytes - 1;
+     bitPos = 0;
+
+     /* Packing DCI format fields */
+     fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+        freqDomResAssign, freqDomResAssignSize);
+     fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+        timeDomResAssign, timeDomResAssignSize);
+     fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+        VRB2PRBMap, VRB2PRBMapSize);
+     fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+        modNCodScheme, modNCodSchemeSize);
+     fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+        redundancyVer, redundancyVerSize);
+     fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+        sysInfoInd, sysInfoIndSize);
+     fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+        reserved, reservedSize);
+
    }
-}
+} /* fillSib1DlDciPdu */
+
+/*******************************************************************
+ *
+ * @brief fills Dl DCI PDU required for DL TTI info in MAC
+ *
+ * @details
+ *
+ *    Function : fillRarDlDciPdu
+ *
+ *    Functionality:
+ *         -Fills the Dl DCI PDU
+ *
+ * @params[in] Pointer to fapi_dl_dci_t
+ *             Pointer to PdcchCfg
+ * @return ROK
+ *
+ ******************************************************************/
+
+void fillRarDlDciPdu(fapi_dl_dci_t *dlDciPtr, PdcchCfg *rarPdcchInfo)
+{
+   if(dlDciPtr != NULLP)
+   {
+      uint8_t numBytes;
+      uint8_t bytePos;
+      uint8_t bitPos;
+
+      uint16_t coreset0Size;
+      uint16_t rbStart;
+      uint16_t rbLen;
+      uint32_t freqDomResAssign;
+      uint8_t timeDomResAssign;
+      uint8_t  VRB2PRBMap;
+      uint8_t modNCodScheme;
+      uint8_t tbScaling;
+      uint32_t reserved;
+
+      /* Size(in bits) of each field in DCI format 1_0 */
+      uint8_t freqDomResAssignSize;
+      uint8_t timeDomResAssignSize = 4;
+      uint8_t VRB2PRBMapSize       = 1;
+      uint8_t modNCodSchemeSize    = 5;
+      uint8_t tbScalingSize        = 2;
+      uint8_t reservedSize         = 16;
+
+      dlDciPtr->rnti = rarPdcchInfo->dci.rnti;
+      dlDciPtr->scramblingId = rarPdcchInfo->dci.scramblingId;    
+      dlDciPtr->scramblingRnti = rarPdcchInfo->dci.scramblingRnti;
+      dlDciPtr->cceIndex = rarPdcchInfo->dci.cceIndex;
+      dlDciPtr->aggregationLevel = rarPdcchInfo->dci.aggregLevel;
+      dlDciPtr->pc_and_bform.numPrgs = rarPdcchInfo->dci.beamPdcchInfo.numPrgs;
+      dlDciPtr->pc_and_bform.prgSize = rarPdcchInfo->dci.beamPdcchInfo.prgSize;
+      dlDciPtr->pc_and_bform.digBfInterfaces = rarPdcchInfo->dci.beamPdcchInfo.digBfInterfaces;
+      dlDciPtr->pc_and_bform.pmi_bfi[0].pmIdx = rarPdcchInfo->dci.beamPdcchInfo.prg[0].pmIdx;
+      dlDciPtr->pc_and_bform.pmi_bfi[0].beamIdx[0].beamidx = rarPdcchInfo->dci.beamPdcchInfo.prg[0].beamIdx[0];
+      dlDciPtr->beta_pdcch_1_0 = rarPdcchInfo->dci.txPdcchPower.powerValue;           
+      dlDciPtr->powerControlOfssetSS = rarPdcchInfo->dci.txPdcchPower.powerControlOffsetSS;
+
+      /* Calculating freq domain resource allocation field value and size
+       * coreset0Size = Size of coreset 0
+       * RBStart = Starting Virtual Rsource block
+       * RBLen = length of contiguously allocted RBs
+       * Spec 38.214 Sec 5.1.2.2.2
+       */
+
+      /* TODO: Fill values of coreset0Size, rbStart and rbLen */
+      coreset0Size= rarPdcchInfo->coreset0Cfg.coreSet0Size;
+      rbStart = 0;              /* For SIB1 */
+      //rbStart = rarPdcchInfo->dci.pdschCfg->freqAlloc.rbStart;
+      rbLen = rarPdcchInfo->dci.pdschCfg->pdschFreqAlloc.freqAlloc.numPrb;
+
+      if((rbLen >=1) && (rbLen <= coreset0Size - rbStart))
+      {
+         if((rbLen - 1) <= floor(coreset0Size / 2))
+            freqDomResAssign = (coreset0Size * (rbLen-1)) + rbStart;
+         else
+            freqDomResAssign = (coreset0Size * (coreset0Size - rbLen + 1)) \
+                               + (coreset0Size - 1 - rbStart);
+
+         freqDomResAssignSize = ceil(log2(coreset0Size * (coreset0Size + 1) / 2));
+      }
+
+      /* Fetching DCI field values */
+      timeDomResAssign = rarPdcchInfo->dci.pdschCfg->pdschTimeAlloc.rowIndex -1;
+      VRB2PRBMap       = rarPdcchInfo->dci.pdschCfg->pdschFreqAlloc.vrbPrbMapping;
+      modNCodScheme    = rarPdcchInfo->dci.pdschCfg->codeword[0].mcsIndex;
+      tbScaling        = 0; /* configured to 0 scaling */
+      reserved         = 0;
+
+      /* Reversing bits in each DCI field */
+      freqDomResAssign = reverseBits(freqDomResAssign, freqDomResAssignSize);
+      timeDomResAssign = reverseBits(timeDomResAssign, timeDomResAssignSize);
+      VRB2PRBMap       = reverseBits(VRB2PRBMap, VRB2PRBMapSize);
+      modNCodScheme    = reverseBits(modNCodScheme, modNCodSchemeSize);
+      tbScaling        = reverseBits(tbScaling, tbScalingSize); 
+
+      /* Calulating total number of bytes in buffer */
+      dlDciPtr->payloadSizeBits = freqDomResAssignSize + timeDomResAssignSize\
+                                  + VRB2PRBMapSize + modNCodSchemeSize + tbScalingSize + reservedSize;
+
+      numBytes = dlDciPtr->payloadSizeBits / 8;
+      if(dlDciPtr->payloadSizeBits % 8)
+         numBytes += 1;
+
+      if(numBytes > DCI_PAYLOAD_BYTE_LEN)
+      {
+         DU_LOG("\nLWR_MAC : Total bytes for DCI is more than expected");
+         return;
+      }
+
+      /* Initialize buffer */
+      for(bytePos = 0; bytePos < numBytes; bytePos++)
+         dlDciPtr->payload[bytePos] = 0;
+
+      bytePos = numBytes - 1;
+      bitPos = 0;
+
+      /* Packing DCI format fields */
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            freqDomResAssign, freqDomResAssignSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            timeDomResAssign, timeDomResAssignSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            VRB2PRBMap, VRB2PRBMapSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            modNCodScheme, modNCodSchemeSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            tbScaling, tbScalingSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            reserved, reservedSize);
+   }
+} /* fillRarDlDciPdu */
+
+/*******************************************************************
+ *
+ * @brief fills msg4 Dl DCI PDU required for DL TTI info in MAC
+ *
+ * @details
+ *
+ *    Function : fillMsg4DlDciPdu
+ *
+ *    Functionality:
+ *         -Fills the Msg4 Dl DCI PDU
+ *
+ * @params[in] Pointer to fapi_dl_dci_t
+ *             Pointer to PdcchCfg
+ * @return ROK
+ *
+ ******************************************************************/
+void fillMsg4DlDciPdu(fapi_dl_dci_t *dlDciPtr, PdcchCfg *msg4PdcchInfo,\
+Msg4Info *msg4Info)
+{
+   if(dlDciPtr != NULLP)
+   {
+      uint8_t numBytes;
+      uint8_t bytePos;
+      uint8_t bitPos;
+
+      uint16_t coreset0Size = 0;
+      uint16_t rbStart = 0;
+      uint16_t rbLen = 0;
+      uint8_t  dciFormatId;
+      uint32_t freqDomResAssign;
+      uint8_t  timeDomResAssign;
+      uint8_t  VRB2PRBMap;
+      uint8_t  modNCodScheme;
+      uint8_t  ndi = 0;
+      uint8_t  redundancyVer = 0;
+      uint8_t  harqProcessNum = 0;
+      uint8_t  dlAssignmentIdx = 0;
+      uint8_t  pucchTpc = 0;
+      uint8_t  pucchResoInd = 0;
+      uint8_t  harqFeedbackInd = 0;
+
+      /* Size(in bits) of each field in DCI format 1_0 */
+      uint8_t dciFormatIdSize    = 1;
+      uint8_t freqDomResAssignSize;
+      uint8_t timeDomResAssignSize = 4;
+      uint8_t VRB2PRBMapSize       = 1;
+      uint8_t modNCodSchemeSize    = 5;
+      uint8_t ndiSize              = 1;
+      uint8_t redundancyVerSize    = 2;
+      uint8_t harqProcessNumSize   = 4;
+      uint8_t dlAssignmentIdxSize  = 2;
+      uint8_t pucchTpcSize         = 2;
+      uint8_t pucchResoIndSize     = 3;
+      uint8_t harqFeedbackIndSize  = 3;
+
+      dlDciPtr->rnti = msg4PdcchInfo->dci.rnti;
+      dlDciPtr->scramblingId = msg4PdcchInfo->dci.scramblingId;    
+      dlDciPtr->scramblingRnti = msg4PdcchInfo->dci.scramblingRnti;
+      dlDciPtr->cceIndex = msg4PdcchInfo->dci.cceIndex;
+      dlDciPtr->aggregationLevel = msg4PdcchInfo->dci.aggregLevel;
+      dlDciPtr->pc_and_bform.numPrgs = msg4PdcchInfo->dci.beamPdcchInfo.numPrgs;
+      dlDciPtr->pc_and_bform.prgSize = msg4PdcchInfo->dci.beamPdcchInfo.prgSize;
+      dlDciPtr->pc_and_bform.digBfInterfaces = msg4PdcchInfo->dci.beamPdcchInfo.digBfInterfaces;
+      dlDciPtr->pc_and_bform.pmi_bfi[0].pmIdx = msg4PdcchInfo->dci.beamPdcchInfo.prg[0].pmIdx;
+      dlDciPtr->pc_and_bform.pmi_bfi[0].beamIdx[0].beamidx = msg4PdcchInfo->dci.beamPdcchInfo.prg[0].beamIdx[0];
+      dlDciPtr->beta_pdcch_1_0 = msg4PdcchInfo->dci.txPdcchPower.powerValue;           
+      dlDciPtr->powerControlOfssetSS = msg4PdcchInfo->dci.txPdcchPower.powerControlOffsetSS;
+
+      /* Calculating freq domain resource allocation field value and size
+       * coreset0Size = Size of coreset 0
+       * RBStart = Starting Virtual Rsource block
+       * RBLen = length of contiguously allocted RBs
+       * Spec 38.214 Sec 5.1.2.2.2
+       */
+
+      /* TODO: Fill values of coreset0Size, rbStart and rbLen */
+      coreset0Size = msg4PdcchInfo->coreset0Cfg.coreSet0Size;
+      //rbStart = msg4PdcchInfo->dci.pdschCfg->freqAlloc.rbStart;
+      rbLen = msg4PdcchInfo->dci.pdschCfg->pdschFreqAlloc.freqAlloc.numPrb;
+
+      if((rbLen >=1) && (rbLen <= coreset0Size - rbStart))
+      {
+         if((rbLen - 1) <= floor(coreset0Size / 2))
+            freqDomResAssign = (coreset0Size * (rbLen-1)) + rbStart;
+         else
+            freqDomResAssign = (coreset0Size * (coreset0Size - rbLen + 1)) \
+                               + (coreset0Size - 1 - rbStart);
+
+         freqDomResAssignSize = ceil(log2(coreset0Size * (coreset0Size + 1) / 2));
+      }
+
+      /* Fetching DCI field values */
+      dciFormatId      = msg4Info->dciFormatId; /* DCI indentifier for DL */
+      timeDomResAssign = msg4PdcchInfo->dci.pdschCfg->pdschTimeAlloc.rowIndex -1;
+      VRB2PRBMap       = msg4PdcchInfo->dci.pdschCfg->pdschFreqAlloc.vrbPrbMapping;
+      modNCodScheme    = msg4PdcchInfo->dci.pdschCfg->codeword[0].mcsIndex;
+      ndi              = msg4Info->ndi;      
+      redundancyVer    = msg4PdcchInfo->dci.pdschCfg->codeword[0].rvIndex;
+      harqProcessNum   = msg4Info->harqProcNum; 
+      dlAssignmentIdx  = msg4Info->dlAssignIdx;
+      pucchTpc         = msg4Info->pucchTpc;
+      pucchResoInd     = msg4Info->pucchResInd;
+      harqFeedbackInd  = msg4Info->harqFeedbackInd;
+
+      /* Reversing bits in each DCI field */
+      dciFormatId      = reverseBits(dciFormatId, dciFormatIdSize);
+      freqDomResAssign = reverseBits(freqDomResAssign, freqDomResAssignSize);
+      timeDomResAssign = reverseBits(timeDomResAssign, timeDomResAssignSize);
+      VRB2PRBMap       = reverseBits(VRB2PRBMap, VRB2PRBMapSize);
+      modNCodScheme    = reverseBits(modNCodScheme, modNCodSchemeSize);
+      ndi              = reverseBits(ndi, ndiSize);
+      redundancyVer    = reverseBits(redundancyVer, redundancyVerSize);
+      harqProcessNum   = reverseBits(harqProcessNum, harqProcessNumSize);
+      dlAssignmentIdx  = reverseBits(dlAssignmentIdx , dlAssignmentIdxSize);
+      pucchTpc         = reverseBits(pucchTpc, pucchTpcSize);
+      pucchResoInd     = reverseBits(pucchResoInd, pucchResoIndSize);
+      harqFeedbackInd  = reverseBits(harqFeedbackInd, harqFeedbackIndSize);
+
+
+      /* Calulating total number of bytes in buffer */
+      dlDciPtr->payloadSizeBits = (dciFormatIdSize + freqDomResAssignSize\
+      + timeDomResAssignSize + VRB2PRBMapSize + modNCodSchemeSize\
+      + ndiSize + redundancyVerSize + harqProcessNumSize + dlAssignmentIdxSize\
+      + pucchTpcSize + pucchResoIndSize + harqFeedbackIndSize);
+
+      numBytes = dlDciPtr->payloadSizeBits / 8;
+      if(dlDciPtr->payloadSizeBits % 8)
+         numBytes += 1;
+
+      if(numBytes > DCI_PAYLOAD_BYTE_LEN)
+      {
+         DU_LOG("\nLWR_MAC : Total bytes for DCI is more than expected");
+         return;
+      }
+
+      /* Initialize buffer */
+      for(bytePos = 0; bytePos < numBytes; bytePos++)
+         dlDciPtr->payload[bytePos] = 0;
+
+      bytePos = numBytes - 1;
+      bitPos = 0;
+
+      /* Packing DCI format fields */
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            dciFormatId, dciFormatIdSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            freqDomResAssign, freqDomResAssignSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            timeDomResAssign, timeDomResAssignSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            VRB2PRBMap, VRB2PRBMapSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            modNCodScheme, modNCodSchemeSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            ndi, ndiSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            redundancyVer, redundancyVerSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            redundancyVer, redundancyVerSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            harqProcessNum, harqProcessNumSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            dlAssignmentIdx, dlAssignmentIdxSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            pucchTpc, pucchTpcSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            pucchResoInd, pucchResoIndSize);
+      fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+            harqFeedbackInd, harqFeedbackIndSize);
+   }
+} /* fillMsg4DlDciPdu */
 
 /*******************************************************************
  *
@@ -2178,40 +2693,70 @@ void fillDlDciPdu(fapi_dl_dci_t *dlDciPtr, Sib1PdcchCfg *sib1PdcchInfo)
  *          stored in MAC
  *
  * @params[in] Pointer to FAPI DL TTI Req
- *             Pointer to Sib1PdcchCfg
+ *             Pointer to PdcchCfg
  *             Pointer to msgLen of DL TTI Info
  * @return ROK
  *
  ******************************************************************/
-
-S16 fillPdcchPdu(fapi_dl_tti_req_pdu_t *dlTtiReqPdu, Sib1PdcchCfg *sib1PdcchInfo,
-uint32_t *msgLen)
+S16 fillPdcchPdu(fapi_dl_tti_req_pdu_t *dlTtiReqPdu, DlSchedInfo *dlInfo, uint32_t *msgLen, RntiType rntiType)
 {
-    if(dlTtiReqPdu != NULLP)
-    {
-       dlTtiReqPdu->pduType = PDCCH_PDU_TYPE;
-       dlTtiReqPdu->u.pdcch_pdu.bwpSize = sib1PdcchInfo->sib1PdcchBwpCfg.BWPSize;
-       dlTtiReqPdu->u.pdcch_pdu.bwpPart = sib1PdcchInfo->sib1PdcchBwpCfg.BWPStart;
-       dlTtiReqPdu->u.pdcch_pdu.subCarrierSpacing = sib1PdcchInfo->sib1PdcchBwpCfg.subcarrierSpacing; 
-       dlTtiReqPdu->u.pdcch_pdu.cyclicPrefix = sib1PdcchInfo->sib1PdcchBwpCfg.cyclicPrefix; 
-       dlTtiReqPdu->u.pdcch_pdu.startSymbolIndex = sib1PdcchInfo->sib1Coreset0Cfg.startSymbolIndex;
-       dlTtiReqPdu->u.pdcch_pdu.durationSymbols = sib1PdcchInfo->sib1Coreset0Cfg.durationSymbols;
-       memcpy(dlTtiReqPdu->u.pdcch_pdu.freqDomainResource, sib1PdcchInfo->sib1Coreset0Cfg.freqDomainResource, 6);
-       dlTtiReqPdu->u.pdcch_pdu.cceRegMappingType = sib1PdcchInfo->sib1Coreset0Cfg.cceRegMappingType;
-       dlTtiReqPdu->u.pdcch_pdu.regBundleSize = sib1PdcchInfo->sib1Coreset0Cfg.regBundleSize;
-       dlTtiReqPdu->u.pdcch_pdu.interleaverSize = sib1PdcchInfo->sib1Coreset0Cfg.interleaverSize;
-       dlTtiReqPdu->u.pdcch_pdu.coreSetSize = sib1PdcchInfo->sib1Coreset0Cfg.coreSetType;
-       dlTtiReqPdu->u.pdcch_pdu.shiftIndex =  sib1PdcchInfo->sib1Coreset0Cfg.shiftIndex;
-       dlTtiReqPdu->u.pdcch_pdu.precoderGranularity = sib1PdcchInfo->sib1Coreset0Cfg.precoderGranularity;
-       dlTtiReqPdu->u.pdcch_pdu.numDlDci = sib1PdcchInfo->numDlDci;
-       MAC_ALLOC(dlTtiReqPdu->u.pdcch_pdu.dlDci, sizeof(fapi_dl_dci_t));
-       fillDlDciPdu(dlTtiReqPdu->u.pdcch_pdu.dlDci, sib1PdcchInfo);
-       dlTtiReqPdu->pduSize = sizeof(fapi_dl_pdcch_pdu_t);
-       SETLENGTH(*msgLen, sizeof(fapi_dl_pdcch_pdu_t));
+   if(dlTtiReqPdu != NULLP)
+   {
+      PdcchCfg *pdcchInfo = NULLP;
+      BwpCfg *bwp = NULLP;
+
+      dlTtiReqPdu->u.pdcch_pdu.dlDci = (fapi_dl_dci_t *)(dlTtiReqPdu + \
+         (sizeof(fapi_dl_tti_req_pdu_t) - sizeof(dlTtiReqPdu->u)) + \
+         (sizeof(fapi_dl_pdcch_pdu_t) - sizeof(fapi_dl_dci_t*)));
+
+      if(rntiType == SI_RNTI_TYPE)
+      {
+         pdcchInfo = &dlInfo->brdcstAlloc.sib1Alloc.sib1PdcchCfg;
+         bwp = &dlInfo->brdcstAlloc.sib1Alloc.bwp;
+         fillSib1DlDciPdu(dlTtiReqPdu->u.pdcch_pdu.dlDci, pdcchInfo);
+      }
+      else if(rntiType == RA_RNTI_TYPE)
+      {
+         pdcchInfo = &dlInfo->rarAlloc->rarPdcchCfg;
+         bwp = &dlInfo->rarAlloc->bwp;
+         fillRarDlDciPdu(dlTtiReqPdu->u.pdcch_pdu.dlDci, pdcchInfo);
+      }
+      else if(rntiType == TC_RNTI_TYPE)
+      {
+         pdcchInfo = &dlInfo->msg4Alloc->msg4PdcchCfg;
+         bwp = &dlInfo->msg4Alloc->bwp;
+         fillMsg4DlDciPdu(dlTtiReqPdu->u.pdcch_pdu.dlDci, pdcchInfo,\
+            &dlInfo->msg4Alloc->msg4Info);
+      }
+      else
+      {
+         DU_LOG("\nLWR_MAC: Failed filling PDCCH Pdu");
+         return RFAILED;;
+      }
+      dlTtiReqPdu->pduType = PDCCH_PDU_TYPE;
+      dlTtiReqPdu->u.pdcch_pdu.bwpSize = bwp->freqAlloc.numPrb;
+      dlTtiReqPdu->u.pdcch_pdu.bwpPart = bwp->freqAlloc.startPrb;
+      dlTtiReqPdu->u.pdcch_pdu.subCarrierSpacing = bwp->subcarrierSpacing; 
+      dlTtiReqPdu->u.pdcch_pdu.cyclicPrefix = bwp->cyclicPrefix; 
+      dlTtiReqPdu->u.pdcch_pdu.startSymbolIndex = pdcchInfo->coreset0Cfg.startSymbolIndex;
+      dlTtiReqPdu->u.pdcch_pdu.durationSymbols = pdcchInfo->coreset0Cfg.durationSymbols;
+      memcpy(dlTtiReqPdu->u.pdcch_pdu.freqDomainResource, pdcchInfo->coreset0Cfg.freqDomainResource, 6);
+      dlTtiReqPdu->u.pdcch_pdu.cceRegMappingType = pdcchInfo->coreset0Cfg.cceRegMappingType;
+      dlTtiReqPdu->u.pdcch_pdu.regBundleSize = pdcchInfo->coreset0Cfg.regBundleSize;
+      dlTtiReqPdu->u.pdcch_pdu.interleaverSize = pdcchInfo->coreset0Cfg.interleaverSize;
+      dlTtiReqPdu->u.pdcch_pdu.coreSetSize = pdcchInfo->coreset0Cfg.coreSetType;
+      dlTtiReqPdu->u.pdcch_pdu.shiftIndex =  pdcchInfo->coreset0Cfg.shiftIndex;
+      dlTtiReqPdu->u.pdcch_pdu.precoderGranularity = pdcchInfo->coreset0Cfg.precoderGranularity;
+      dlTtiReqPdu->u.pdcch_pdu.numDlDci = pdcchInfo->numDlDci;
+
+      /* Calculating PDU length. Considering only one dl dci pdu for now */
+      dlTtiReqPdu->pduSize = sizeof(fapi_dl_pdcch_pdu_t) + sizeof(fapi_dl_dci_t);
+      SET_MSG_LEN(*msgLen, (sizeof(dlTtiReqPdu->pduType) + \
+         sizeof(dlTtiReqPdu->pduSize) + dlTtiReqPdu->pduSize));
 
     }
-    return ROK;
 
+    return ROK;
 }
 
 /*******************************************************************
@@ -2227,65 +2772,67 @@ uint32_t *msgLen)
  *          stored in MAC
  *
  * @params[in] Pointer to FAPI DL TTI Req
- *             Pointer to Sib1PdschCfg
+ *             Pointer to PdschCfg
  *             Pointer to msgLen of DL TTI Info
  * @return ROK
  *
  ******************************************************************/
 
-void fillPdschPdu(fapi_dl_tti_req_pdu_t *dlTtiReqPdu, Sib1PdschCfg *sib1PdschInfo,
-uint32_t *msgLen)
+void fillPdschPdu(fapi_dl_tti_req_pdu_t *dlTtiReqPdu, PdschCfg *pdschInfo,
+   BwpCfg bwp,uint32_t *msgLen, uint16_t pduIndex)
 {
     uint8_t idx;
 
     if(dlTtiReqPdu != NULLP)
     {
        dlTtiReqPdu->pduType = PDSCH_PDU_TYPE;
-       dlTtiReqPdu->u.pdsch_pdu.pduBitMap = sib1PdschInfo->pduBitmap;
-       dlTtiReqPdu->u.pdsch_pdu.rnti = sib1PdschInfo->rnti;         
-       dlTtiReqPdu->u.pdsch_pdu.pduIndex = sib1PdschInfo->pduIndex;
-       dlTtiReqPdu->u.pdsch_pdu.bwpSize = sib1PdschInfo->sib1PdschBwpCfg.BWPSize;       
-       dlTtiReqPdu->u.pdsch_pdu.bwpStart = sib1PdschInfo->sib1PdschBwpCfg.BWPStart;
-       dlTtiReqPdu->u.pdsch_pdu.subCarrierSpacing = sib1PdschInfo->sib1PdschBwpCfg.subcarrierSpacing;
-       dlTtiReqPdu->u.pdsch_pdu.cyclicPrefix = sib1PdschInfo->sib1PdschBwpCfg.cyclicPrefix;
-       dlTtiReqPdu->u.pdsch_pdu.nrOfCodeWords = sib1PdschInfo->numCodewords;
+       dlTtiReqPdu->u.pdsch_pdu.pduBitMap = pdschInfo->pduBitmap;
+       dlTtiReqPdu->u.pdsch_pdu.rnti = pdschInfo->rnti;         
+       dlTtiReqPdu->u.pdsch_pdu.pduIndex = pduIndex;
+       dlTtiReqPdu->u.pdsch_pdu.bwpSize = bwp.freqAlloc.numPrb;       
+       dlTtiReqPdu->u.pdsch_pdu.bwpStart = bwp.freqAlloc.startPrb;
+       dlTtiReqPdu->u.pdsch_pdu.subCarrierSpacing = bwp.subcarrierSpacing;
+       dlTtiReqPdu->u.pdsch_pdu.cyclicPrefix = bwp.cyclicPrefix;
+       dlTtiReqPdu->u.pdsch_pdu.nrOfCodeWords = pdschInfo->numCodewords;
        for(idx = 0; idx < MAX_CODEWORDS ; idx++)
        { 
-          dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].targetCodeRate = sib1PdschInfo->codeword[idx].targetCodeRate;
-          dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].qamModOrder = sib1PdschInfo->codeword[idx].qamModOrder;
-          dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].mcsIndex = sib1PdschInfo->codeword[idx].mcsIndex;
-          dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].mcsTable = sib1PdschInfo->codeword[idx].mcsTable;
-          dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].rvIndex = sib1PdschInfo->codeword[idx].rvIndex;
-          dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].tbSize = sib1PdschInfo->codeword[idx].tbSize;
+          dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].targetCodeRate = pdschInfo->codeword[idx].targetCodeRate;
+          dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].qamModOrder = pdschInfo->codeword[idx].qamModOrder;
+          dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].mcsIndex = pdschInfo->codeword[idx].mcsIndex;
+          dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].mcsTable = pdschInfo->codeword[idx].mcsTable;
+          dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].rvIndex = pdschInfo->codeword[idx].rvIndex;
+          dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].tbSize = pdschInfo->codeword[idx].tbSize;
        }
-       dlTtiReqPdu->u.pdsch_pdu.dataScramblingId = sib1PdschInfo->dataScramblingId;       
-       dlTtiReqPdu->u.pdsch_pdu.nrOfLayers = sib1PdschInfo->numLayers;
-       dlTtiReqPdu->u.pdsch_pdu.transmissionScheme = sib1PdschInfo->transmissionScheme;
-       dlTtiReqPdu->u.pdsch_pdu.refPoint = sib1PdschInfo->refPoint;
-       dlTtiReqPdu->u.pdsch_pdu.dlDmrsSymbPos = sib1PdschInfo->dmrs.dlDmrsSymbPos;
-       dlTtiReqPdu->u.pdsch_pdu.dmrsConfigType = sib1PdschInfo->dmrs.dmrsConfigType;
-       dlTtiReqPdu->u.pdsch_pdu.dlDmrsScramblingId = sib1PdschInfo->dmrs.dlDmrsScramblingId;
-       dlTtiReqPdu->u.pdsch_pdu.scid = sib1PdschInfo->dmrs.scid;
-       dlTtiReqPdu->u.pdsch_pdu.numDmrsCdmGrpsNoData = sib1PdschInfo->dmrs.numDmrsCdmGrpsNoData;
-       dlTtiReqPdu->u.pdsch_pdu.dmrsPorts = sib1PdschInfo->dmrs.dmrsPorts;
-       dlTtiReqPdu->u.pdsch_pdu.resourceAlloc = sib1PdschInfo->sib1FreqAlloc.resourceAlloc;
+       dlTtiReqPdu->u.pdsch_pdu.dataScramblingId = pdschInfo->dataScramblingId;       
+       dlTtiReqPdu->u.pdsch_pdu.nrOfLayers = pdschInfo->numLayers;
+       dlTtiReqPdu->u.pdsch_pdu.transmissionScheme = pdschInfo->transmissionScheme;
+       dlTtiReqPdu->u.pdsch_pdu.refPoint = pdschInfo->refPoint;
+       dlTtiReqPdu->u.pdsch_pdu.dlDmrsSymbPos = pdschInfo->dmrs.dlDmrsSymbPos;
+       dlTtiReqPdu->u.pdsch_pdu.dmrsConfigType = pdschInfo->dmrs.dmrsConfigType;
+       dlTtiReqPdu->u.pdsch_pdu.dlDmrsScramblingId = pdschInfo->dmrs.dlDmrsScramblingId;
+       dlTtiReqPdu->u.pdsch_pdu.scid = pdschInfo->dmrs.scid;
+       dlTtiReqPdu->u.pdsch_pdu.numDmrsCdmGrpsNoData = pdschInfo->dmrs.numDmrsCdmGrpsNoData;
+       dlTtiReqPdu->u.pdsch_pdu.dmrsPorts = pdschInfo->dmrs.dmrsPorts;
+       dlTtiReqPdu->u.pdsch_pdu.resourceAlloc = pdschInfo->pdschFreqAlloc.resourceAllocType;
        /* since we are using type-1, hence rbBitmap excluded */
-       dlTtiReqPdu->u.pdsch_pdu.rbStart = sib1PdschInfo->sib1FreqAlloc.rbStart;
-       dlTtiReqPdu->u.pdsch_pdu.rbSize = sib1PdschInfo->sib1FreqAlloc.rbSize;
-       dlTtiReqPdu->u.pdsch_pdu.vrbToPrbMapping = sib1PdschInfo->sib1FreqAlloc.vrbPrbMapping;
-       dlTtiReqPdu->u.pdsch_pdu.startSymbIndex = sib1PdschInfo->sib1TimeAlloc.startSymbolIndex;
-       dlTtiReqPdu->u.pdsch_pdu.nrOfSymbols = sib1PdschInfo->sib1TimeAlloc.numSymbols;
-       dlTtiReqPdu->u.pdsch_pdu.preCodingAndBeamforming.numPrgs = sib1PdschInfo->beamPdschInfo.numPrgs;
-       dlTtiReqPdu->u.pdsch_pdu.preCodingAndBeamforming.prgSize = sib1PdschInfo->beamPdschInfo.prgSize;
-       dlTtiReqPdu->u.pdsch_pdu.preCodingAndBeamforming.digBfInterfaces = sib1PdschInfo->beamPdschInfo.digBfInterfaces;
+       dlTtiReqPdu->u.pdsch_pdu.rbStart = pdschInfo->pdschFreqAlloc.freqAlloc.startPrb;
+       dlTtiReqPdu->u.pdsch_pdu.rbSize = pdschInfo->pdschFreqAlloc.freqAlloc.numPrb;
+       dlTtiReqPdu->u.pdsch_pdu.vrbToPrbMapping = pdschInfo->pdschFreqAlloc.vrbPrbMapping;
+       dlTtiReqPdu->u.pdsch_pdu.startSymbIndex = pdschInfo->pdschTimeAlloc.timeAlloc.startSymb;
+       dlTtiReqPdu->u.pdsch_pdu.nrOfSymbols = pdschInfo->pdschTimeAlloc.timeAlloc.numSymb;
+       dlTtiReqPdu->u.pdsch_pdu.preCodingAndBeamforming.numPrgs = pdschInfo->beamPdschInfo.numPrgs;
+       dlTtiReqPdu->u.pdsch_pdu.preCodingAndBeamforming.prgSize = pdschInfo->beamPdschInfo.prgSize;
+       dlTtiReqPdu->u.pdsch_pdu.preCodingAndBeamforming.digBfInterfaces = pdschInfo->beamPdschInfo.digBfInterfaces;
        dlTtiReqPdu->u.pdsch_pdu.preCodingAndBeamforming.pmi_bfi[0]. \
-          pmIdx = sib1PdschInfo->beamPdschInfo.prg[0].pmIdx;
+          pmIdx = pdschInfo->beamPdschInfo.prg[0].pmIdx;
        dlTtiReqPdu->u.pdsch_pdu.preCodingAndBeamforming.pmi_bfi[0]. \
-          beamIdx[0].beamidx = sib1PdschInfo->beamPdschInfo.prg[0].beamIdx[0];
-       dlTtiReqPdu->u.pdsch_pdu.powerControlOffset = sib1PdschInfo->txPdschPower.powerControlOffset;  
-       dlTtiReqPdu->u.pdsch_pdu.powerControlOffsetSS = sib1PdschInfo->txPdschPower.powerControlOffsetSS;
+          beamIdx[0].beamidx = pdschInfo->beamPdschInfo.prg[0].beamIdx[0];
+       dlTtiReqPdu->u.pdsch_pdu.powerControlOffset = pdschInfo->txPdschPower.powerControlOffset;  
+       dlTtiReqPdu->u.pdsch_pdu.powerControlOffsetSS = pdschInfo->txPdschPower.powerControlOffsetSS;
        dlTtiReqPdu->pduSize = sizeof(fapi_dl_pdsch_pdu_t);
-       SETLENGTH(*msgLen, sizeof(fapi_dl_pdsch_pdu_t));
+
+       SET_MSG_LEN(*msgLen, (sizeof(dlTtiReqPdu->pduType) + \
+          sizeof(dlTtiReqPdu->pduSize) + sizeof(fapi_dl_pdsch_pdu_t)));
 
     }
 
@@ -2297,7 +2844,7 @@ uint32_t *msgLen)
  *
  * @details
  *
- *    Function : calculatePduCount
+ *    Function : calcDlTtiReqPduCount
  *
  *    Functionality:
  *         -calculates the total pdu count to be allocated for DL TTI Req
@@ -2306,26 +2853,239 @@ uint32_t *msgLen)
  * @return count
  *
  * ********************************************************************/
-uint8_t calculatePduCount(DlBrdcstAlloc *cellBroadcastInfo)
+uint8_t calcDlTtiReqPduCount(DlSchedInfo *dlInfo)
 {
    uint8_t count = 0;
    uint8_t idx = 0;
-   if(cellBroadcastInfo->ssbTrans)
+
+   if(dlInfo->isBroadcastPres)
    {
-      for(idx = 0; idx < cellBroadcastInfo->ssbIdxSupported; idx++)
+      if(dlInfo->brdcstAlloc.ssbTrans)
+      {
+         for(idx = 0; idx < dlInfo->brdcstAlloc.ssbIdxSupported; idx++)
+         {
+            /* SSB PDU is filled */
+            count++;
+         }
+      }
+      if(dlInfo->brdcstAlloc.sib1Trans)
       {
-         count++;
+         /* PDCCH and PDSCH PDU is filled */
+         count += 2;
       }
    }
-   if(cellBroadcastInfo->sib1Trans)
+   if(dlInfo->rarAlloc != NULLP)
    {
+      /* PDCCH and PDSCH PDU is filled */
       count += 2;
    }
+   if(dlInfo->msg4Alloc != NULLP)
+   {
+      /* PDCCH and PDSCH PDU is filled */
+      count += 2;
+   }
+
+   return count;
+}
+
+/***********************************************************************
+ *
+ * @brief calculates the total size to be allocated for DL TTI Req
+ *
+ * @details
+ *
+ *    Function : calcTxDataReqPduCount
+ *
+ *    Functionality:
+ *         -calculates the total pdu count to be allocated for DL TTI Req
+ *
+ * @params[in]    DlBrdcstAlloc *cellBroadcastInfo
+ * @return count
+ *
+ * ********************************************************************/
+uint8_t calcTxDataReqPduCount(DlSchedInfo *dlInfo)
+{
+   uint8_t count = 0;
+
+   if(dlInfo->isBroadcastPres && dlInfo->brdcstAlloc.sib1Trans)
+   {
+      count++;
+   }
+   if(dlInfo->rarAlloc != NULLP)
+   {
+      count++;
+   }
+   if(dlInfo->msg4Alloc != NULLP)
+   {
+      count++;
+   }
+
    return count;
 }
+/***********************************************************************
+ *
+ * @brief fills the SIB1 TX-DATA request message
+ *
+ * @details
+ *
+ *    Function : fillSib1TxDataReq
+ *
+ *    Functionality:
+ *         - fills the SIB1 TX-DATA request message
+ *
+ * @params[in]    fapi_tx_pdu_desc_t *pduDesc
+ * @params[in]    macCellCfg consist of SIB1 pdu
+ * @params[in]    uint32_t *msgLen
+ * @params[in]    uint16_t pduIndex
+ * @return ROK
+ *
+ * ********************************************************************/
+uint8_t fillSib1TxDataReq(fapi_tx_pdu_desc_t *pduDesc,MacCellCfg *macCellCfg,
+   uint32_t *msgLen, uint16_t pduIndex)
+{
+   uint32_t pduLen = 0;
+   uint32_t *sib1TxdataValue = NULLP;
 
+   pduDesc[pduIndex].pduIndex = pduIndex;
+   pduDesc[pduIndex].numTlvs = 1;
+
+   /* fill the TLV */
+   /* as of now, memory is allocated from SSI, later WLS memory needs to be taken */
+   pduDesc[pduIndex].tlvs[0].tl.tag = 1; /* pointer to be sent */
+   pduDesc[pduIndex].tlvs[0].tl.length = macCellCfg->sib1Cfg.sib1PduLen;
+   LWR_MAC_ALLOC(sib1TxdataValue,macCellCfg->sib1Cfg.sib1PduLen);
+   if(sib1TxdataValue == NULLP)
+   {
+      return RFAILED;
+   }
+   memcpy(sib1TxdataValue,macCellCfg->sib1Cfg.sib1Pdu,
+      macCellCfg->sib1Cfg.sib1PduLen);
+   pduDesc[pduIndex].tlvs[0].value = sib1TxdataValue;
+
+   /* The total length of the PDU description and   PDU data */
+   pduLen += 8; /* size of PDU length 2 bytes, PDU index 2 bytes, numTLV 4 bytes */
+   pduLen += sizeof(fapi_uint32_tlv_t); /* only 1 TLV is present */
+   pduDesc[pduIndex].pduLength = pduLen; 
+   msgLen += pduLen;
+
+#ifndef INTEL_WLS   
+   MAC_FREE(sib1TxdataValue,macCellCfg->sib1Cfg.sib1PduLen);
 #endif
 
+   return ROK;
+}
+
+/***********************************************************************
+ *
+ * @brief fills the RAR TX-DATA request message
+ *
+ * @details
+ *
+ *    Function : fillRarTxDataReq
+ *
+ *    Functionality:
+ *         - fills the RAR TX-DATA request message
+ *
+ * @params[in]    fapi_tx_pdu_desc_t *pduDesc
+ * @params[in]    RarInfo *rarInfo
+ * @params[in]    uint32_t *msgLen
+ * @params[in]    uint16_t pduIndex
+ * @return ROK
+ *
+ * ********************************************************************/
+uint8_t fillRarTxDataReq(fapi_tx_pdu_desc_t *pduDesc, RarInfo *rarInfo,
+   uint32_t *msgLen, uint16_t pduIndex)
+{
+   uint32_t pduLen = 0;
+   uint32_t *rarTxdataValue = NULLP;
+
+   pduDesc[pduIndex].pduIndex = pduIndex;
+   pduDesc[pduIndex].numTlvs = 1;
+
+   /* fill the TLV */
+   /* as of now, memory is allocated from SSI, later WLS memory needs to be taken */
+   pduDesc[pduIndex].tlvs[0].tl.tag = 1; /* pointer to be sent */
+   pduDesc[pduIndex].tlvs[0].tl.length = rarInfo->rarPduLen;
+   LWR_MAC_ALLOC(rarTxdataValue,rarInfo->rarPduLen);
+   if(rarTxdataValue == NULLP)
+   {
+      return RFAILED;
+   }
+   memcpy(rarTxdataValue,rarInfo->rarPdu,rarInfo->rarPduLen);
+   pduDesc[pduIndex].tlvs[0].value = (uint32_t)rarTxdataValue;
+
+   /* The total length of the PDU description and   PDU data */
+   pduLen += 8; /* size of PDU length 2 bytes, PDU index 2 bytes, numTLV 4 bytes */
+   pduLen += sizeof(fapi_uint32_tlv_t); /* only 1 TLV is present */
+   pduDesc[pduIndex].pduLength = pduLen; 
+   msgLen += pduLen;
+
+/* TODO: The pointer value which was stored, needs to be free-ed at PHY *
+ * But since we did not implement WLS, this has to be done here
+ */
+#ifndef INTEL_WLS   
+   MAC_FREE(rarTxdataValue,rarInfo->rarPduLen);
+#endif
+
+   return ROK;
+}
+
+/***********************************************************************
+ *
+ * @brief fills the Msg4 TX-DATA request message
+ *
+ * @details
+ *
+ *    Function : fillMsg4TxDataReq
+ *
+ *    Functionality:
+ *         - fills the Msg4 TX-DATA request message
+ *
+ * @params[in]    fapi_tx_pdu_desc_t *pduDesc
+ * @params[in]    Msg4Info *msg4Info
+ * @params[in]    uint32_t *msgLen
+ * @params[in]    uint16_t pduIndex
+ * @return ROK
+ *
+ * ********************************************************************/
+uint8_t fillMsg4TxDataReq(fapi_tx_pdu_desc_t *pduDesc, Msg4Info *msg4Info,
+   uint32_t *msgLen, uint16_t pduIndex)
+{
+   uint32_t pduLen = 0;
+   uint32_t *msg4TxDataValue = NULLP;
+
+   pduDesc[pduIndex].pduIndex = pduIndex;
+   pduDesc[pduIndex].numTlvs = 1;
+   
+   /* fill the TLV */
+   /* as of now, memory is allocated from SSI, later WLS memory needs to be taken */
+   pduDesc[pduIndex].tlvs[0].tl.tag = 1; /* pointer to be sent */
+   pduDesc[pduIndex].tlvs[0].tl.length = msg4Info->msg4PduLen;
+   LWR_MAC_ALLOC(msg4TxDataValue, msg4Info->msg4PduLen);
+   if(msg4TxDataValue == NULLP)
+   {
+      return RFAILED;
+   }
+   memcpy(msg4TxDataValue, msg4Info->msg4Pdu, msg4Info->msg4PduLen);
+   pduDesc[pduIndex].tlvs[0].value = (uint32_t)msg4TxDataValue;
+
+   /* The total length of the PDU description and PDU data */
+   pduLen += 8; /* size of PDU length 2 bytes, PDU index 2 bytes, numTLV 4 bytes */
+   pduLen += sizeof(fapi_uint32_tlv_t); /* only 1 TLV is present */
+   pduDesc[pduIndex].pduLength = pduLen; 
+   msgLen += pduLen;
+
+   /* TODO: The pointer value which was stored, needs to be free-ed at PHY *
+    * But since we did not implement WLS, this has to be done here
+    */
+   #ifndef INTEL_WLS   
+      MAC_FREE(msg4TxDataValue, msg4Info->msg4PduLen);
+   #endif
+
+   return ROK;
+}
+
+#endif /* FAPI */
 /*******************************************************************
  *
  * @brief Sends DL TTI Request to PHY
@@ -2335,107 +3095,626 @@ uint8_t calculatePduCount(DlBrdcstAlloc *cellBroadcastInfo)
  *    Function : handleDlTtiReq
  *
  *    Functionality:
- *         -Sends FAPI Param req to PHY
+ *         -Sends FAPI DL TTI req to PHY
  *
- * @params[in]    RgDlSf *dlTtiReqSlot
+ * @params[in]    timing info
  * @return ROK     - success
  *         RFAILED - failure
  *
  * ****************************************************************/
-S16 handleDlTtiReq(CmLteTimingInfo *dlTtiReqtimingInfo)
+uint16_t handleDlTtiReq(SlotIndInfo currTimingInfo)
 {
-#ifdef FAPI
+#ifdef INTEL_FAPI
    uint8_t idx;
+   uint8_t nPdu = 0;
+   uint8_t numPduEncoded = 0;
+   uint16_t pduIndex = 0;
    uint32_t msgLen = 0;
+   uint32_t dlTtiReqMsgSize = 0;
+
    fapi_dl_tti_req_t *dlTtiReq = NULLP;
-   fapi_dl_tti_req_pdu_t *dlTtiReqPdu = NULLP;
+   SlotIndInfo dlTtiReqTimingInfo;
+
    RgCellCb  *cellCbParams = NULLP;
-       MacDlSlot *currDlSlot = NULLP;
+   MacDlSlot *currDlSlot = NULLP;
    MacCellCfg macCellCfg;
-       cmMemset((U8 *)&macCellCfg, 0, sizeof(MacCellCfg));
+   memset(&macCellCfg, 0, sizeof(MacCellCfg));
    Inst inst = 0;
-
+   RntiType rntiType;
+   
    if(clGlobalCp.phyState == PHY_STATE_RUNNING)
    {
+      /* consider phy delay */
+      ADD_DELTA_TO_TIME(currTimingInfo,dlTtiReqTimingInfo,PHY_DELTA);
+
       cellCbParams = rgCb[inst].cell;
-      macCellCfg = cellCbParams->macCellCfg;
+               macCellCfg = cellCbParams->macCellCfg;
+
+               currDlSlot = &macCb.macCell->dlSlot[dlTtiReqTimingInfo.slot]; 
+               nPdu = calcDlTtiReqPduCount(&currDlSlot->dlInfo);
+               dlTtiReqMsgSize = sizeof(fapi_dl_tti_req_t) + (nPdu * \
+                               sizeof(fapi_dl_tti_req_pdu_t));
+               if(nPdu > 0)
+               {
+                       if(currDlSlot->dlInfo.isBroadcastPres)
+                       {
+                               if(currDlSlot->dlInfo.brdcstAlloc.sib1Trans)
+                               {
+                                       dlTtiReqMsgSize += sizeof(fapi_dl_dci_t);
+                               }
+                       }
+                       if(currDlSlot->dlInfo.rarAlloc != NULLP)
+                       {
+                               dlTtiReqMsgSize += sizeof(fapi_dl_dci_t);
+                       }
+                       if(currDlSlot->dlInfo.msg4Alloc != NULLP)
+                       {
+                               dlTtiReqMsgSize += sizeof(fapi_dl_dci_t);
+                       }
+               }
+               LWR_MAC_ALLOC(dlTtiReq, dlTtiReqMsgSize);
+               if(dlTtiReq != NULLP)
+               {
+                       memset(dlTtiReq, 0, dlTtiReqMsgSize);
+                       dlTtiReq->sfn  = dlTtiReqTimingInfo.sfn;
+                       dlTtiReq->slot = dlTtiReqTimingInfo.slot;
+                       dlTtiReq->nPdus = calcDlTtiReqPduCount(&currDlSlot->dlInfo);  /* get total Pdus */
+                       nPdu = dlTtiReq->nPdus;
+                       dlTtiReq->nGroup = 0;
+
+                       if(dlTtiReq->nPdus > 0)
+                       {
+                               dlTtiReq->pdus = (fapi_dl_tti_req_pdu_t*)(dlTtiReq + \
+                                               (sizeof(fapi_dl_tti_req_t) - sizeof(fapi_dl_tti_req_pdu_t*)));
+                               if(!dlTtiReq->pdus)
+                               {
+                                       DU_LOG("\nLWR_MAC: Memory allocation failed");
+                                       return RFAILED;
+                               }
+
+                               if(currDlSlot->dlInfo.isBroadcastPres)
+                               {
+                                       if(currDlSlot->dlInfo.brdcstAlloc.ssbTrans)
+                                       {
+                                               if(dlTtiReq->pdus != NULLP)
+                                               {
+                                                       for(idx = 0; idx < currDlSlot->dlInfo.brdcstAlloc.ssbIdxSupported; idx++)
+                                                       {
+                                                               fillSsbPdu(&dlTtiReq->pdus[numPduEncoded], &macCellCfg,\
+                                                                               currDlSlot, &msgLen, idx, dlTtiReq->sfn);
+                                                               numPduEncoded++;
+                                                       }
+                                               }
+                                               printf("\033[1;31m");
+                                               DU_LOG("\nLWR_MAC: MIB sent..");
+                                               printf("\033[0m");
+                                       }
+                                       if(currDlSlot->dlInfo.brdcstAlloc.sib1Trans)
+                                       {
+                                               /* Filling SIB1 param */
+                                               if(numPduEncoded != nPdu)
+                                               {
+                                                       rntiType = SI_RNTI_TYPE;
+                                                       fillPdcchPdu(&dlTtiReq->pdus[numPduEncoded],&currDlSlot->dlInfo,\
+                                                                       &msgLen, rntiType);
+                                                       numPduEncoded++;
+                                                       fillPdschPdu(&dlTtiReq->pdus[numPduEncoded],
+                                                                       &currDlSlot->dlInfo.brdcstAlloc.sib1Alloc.sib1PdschCfg,
+                                                                       currDlSlot->dlInfo.brdcstAlloc.sib1Alloc.bwp,
+                                                                       &msgLen, pduIndex);
+                                                       pduIndex++;
+                                                       numPduEncoded++;
+                                               }
+                                               printf("\033[1;34m");
+                                               DU_LOG("\nLWR_MAC: SIB1 sent...");
+                                               printf("\033[0m");
+                                       }
+                               }
+                               if(currDlSlot->dlInfo.rarAlloc != NULLP)
+                               {
+                                       /* Filling RAR param */
+                                       rntiType = RA_RNTI_TYPE;
+                                       fillPdcchPdu(&dlTtiReq->pdus[numPduEncoded], \
+                                                       &currDlSlot->dlInfo, &msgLen, rntiType);
+                                       numPduEncoded++;
+                                       fillPdschPdu(&dlTtiReq->pdus[numPduEncoded],
+                                                       &currDlSlot->dlInfo.rarAlloc->rarPdschCfg,
+                                                       currDlSlot->dlInfo.rarAlloc->bwp,
+                                                       &msgLen, pduIndex);
+                                       numPduEncoded++;
+                                       pduIndex++;
+
+                                       printf("\033[1;32m");
+                                       DU_LOG("\nLWR_MAC: RAR sent...");
+                                       printf("\033[0m");
+                               }
+                               if(currDlSlot->dlInfo.msg4Alloc != NULLP)
+                               {
+                                       /* Filling Msg4 param */
+                                       rntiType = TC_RNTI_TYPE;
+                                       fillPdcchPdu(&dlTtiReq->pdus[numPduEncoded], \
+                                                       &currDlSlot->dlInfo, &msgLen, rntiType);
+                                       numPduEncoded++;
+                                       fillPdschPdu(&dlTtiReq->pdus[numPduEncoded],
+                                                       &currDlSlot->dlInfo.msg4Alloc->msg4PdschCfg,
+                                                       currDlSlot->dlInfo.msg4Alloc->bwp,
+                                                       &msgLen, pduIndex);
+                                       numPduEncoded++;
+                                       pduIndex++;
+
+                                       printf("\033[1;32m");
+                                       DU_LOG("\nLWR_MAC: MSG4 sent...");
+                                       printf("\033[0m");
+                               }
+                               msgLen += sizeof(fapi_dl_tti_req_t) - sizeof(fapi_msg_t);
+                               fillMsgHeader(&dlTtiReq->header, FAPI_DL_TTI_REQUEST, msgLen);
+                               LwrMacSendToPhy(dlTtiReq->header.message_type_id, dlTtiReqMsgSize, \
+                                               (void *)dlTtiReq);
+
+                               /* send Tx-DATA req message */
+                               sendTxDataReq(currTimingInfo, &currDlSlot->dlInfo);
+                       }
+                       else
+                       {
+                               msgLen = sizeof(fapi_dl_tti_req_t) - sizeof(fapi_msg_t);
+                               fillMsgHeader(&dlTtiReq->header, FAPI_DL_TTI_REQUEST, msgLen);
+                               LwrMacSendToPhy(dlTtiReq->header.message_type_id, dlTtiReqMsgSize, (void *)dlTtiReq);
+                       }
+                       memset(currDlSlot, 0, sizeof(MacDlSlot));
+                       return ROK;
+               }
+               else
+               {
+                       DU_LOG("\nLWR_MAC: Failed to allocate memory for DL TTI Request");
+                       memset(currDlSlot, 0, sizeof(MacDlSlot));
+                       return RFAILED;
+               }
+       }
+   else
+   {
+       lwr_mac_handleInvalidEvt(&currTimingInfo);
+       return RFAILED;
+   }
+#endif
+   return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Sends TX data Request to PHY
+ *
+ * @details
+ *
+ *    Function : sendTxDataReq
+ *
+ *    Functionality:
+ *         -Sends FAPI TX data req to PHY
+ *
+ * @params[in]    timing info
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+uint16_t sendTxDataReq(SlotIndInfo currTimingInfo, DlSchedInfo *dlInfo)
+{
+#ifdef INTEL_FAPI
+   uint8_t nPdu = 0;
+   uint32_t msgLen = 0;
+   uint16_t pduIndex = 0;
+   uint32_t txDataReqMsgSize = 0;
+   fapi_tx_data_req_t *txDataReq = NULLP;
+   Inst inst = 0;
 
-      if(dlTtiReqtimingInfo != NULLP)
+   /* send TX_Data request message */
+   nPdu = calcTxDataReqPduCount(dlInfo);
+   if(nPdu > 0)
+   {
+      txDataReqMsgSize = sizeof(fapi_tx_data_req_t) + \
+         (nPdu * sizeof(fapi_tx_pdu_desc_t));
+      if(dlInfo->brdcstAlloc.sib1Trans)
       {
-         MAC_ALLOC(dlTtiReq, sizeof(fapi_dl_tti_req_t));
-         if(dlTtiReq != NULLP)
-         {
-            dlTtiReq->sfn = dlTtiReqtimingInfo->sfn;
-            dlTtiReq->slot = dlTtiReqtimingInfo->slot;
-                               currDlSlot = &macCb.macCell->dlSlot[dlTtiReq->slot % MAX_SLOT_SUPPORTED];
-                               dlTtiReq->nPdus = calculatePduCount(&currDlSlot->cellBroadcastInfo);  /* get total Pdus */
-            dlTtiReq->nGroup = 0;
-            if(dlTtiReq->nPdus > 0)
-            {
-               MAC_ALLOC(dlTtiReqPdu, (dlTtiReq->nPdus * sizeof(fapi_dl_tti_req_pdu_t)));
-               if(currDlSlot->cellBroadcastInfo.ssbTrans)
-               {
-                 if(dlTtiReqPdu != NULLP)
-                 {
-                    for(idx = 0; idx < currDlSlot->cellBroadcastInfo.ssbIdxSupported; idx++)
-                    {
-                                                         if(idx > 0)
-                       dlTtiReq->pdus++;
-                       fillSsbPdu(dlTtiReqPdu, &macCellCfg, currDlSlot, &msgLen, idx);
-                       dlTtiReq->pdus = dlTtiReqPdu;
-                    }
-                 }
-               }
-               if(currDlSlot->cellBroadcastInfo.sib1Trans)
-               {
-                  /* Filling SIB1 param */
-                  if(dlTtiReqPdu != NULLP)
-                  {
-                     dlTtiReq->pdus++;
-                     fillPdcchPdu(dlTtiReqPdu, &currDlSlot->cellBroadcastInfo.sib1Alloc.sib1PdcchCfg, &msgLen);
-                     dlTtiReq->pdus = dlTtiReqPdu;
-                     dlTtiReq->pdus++;
-                     fillPdschPdu(dlTtiReqPdu, &currDlSlot->cellBroadcastInfo.sib1Alloc.sib1PdschCfg, &msgLen);
-                     dlTtiReq->pdus = dlTtiReqPdu;
-                  }
-               }
-               msgLen += sizeof(fapi_dl_tti_req_t) - sizeof(fapi_msg_t);
-               fillMsgHeader(&dlTtiReq->header, FAPI_DL_TTI_REQUEST, msgLen);
-               sendToPhy(dlTtiReq->header.message_type_id, msgLen, (void *)dlTtiReq);
-                                       if(currDlSlot->cellBroadcastInfo.sib1Trans)
-                                       {
-                  MAC_FREE(dlTtiReq->pdus->u.pdcch_pdu.dlDci, sizeof(fapi_dl_dci_t));
-                                  }
-               MAC_FREE(dlTtiReqPdu, (dlTtiReq->nPdus * sizeof(fapi_dl_tti_req_pdu_t)));
-             }
-             else
-             {
-                msgLen = sizeof(fapi_dl_tti_req_t) - sizeof(fapi_msg_t);
-                fillMsgHeader(&dlTtiReq->header, FAPI_DL_TTI_REQUEST, msgLen);
-                sendToPhy(dlTtiReq->header.message_type_id, msgLen, (void *)dlTtiReq);
-             }
-             MAC_FREE(dlTtiReq, sizeof(fapi_dl_tti_req_t));
-             return ROK;
-         }
-         else
-         {
-            DU_LOG("\nLOWER MAC: Failed to allocate memory for DL TTI Request");
-            return RFAILED;
-         }
+         txDataReqMsgSize += rgCb[inst].cell->macCellCfg.sib1Cfg.sib1PduLen;
       }
-      else
+      if(dlInfo->rarAlloc != NULLP)
+      {
+         txDataReqMsgSize += dlInfo->rarAlloc->rarInfo.rarPduLen;
+      }
+      if(dlInfo->msg4Alloc != NULLP)
       {
-         DU_LOG("\nLOWER MAC: Current TTI Info is NULL");
+         txDataReqMsgSize += dlInfo->msg4Alloc->msg4Info.msg4PduLen;
+      }
+
+      LWR_MAC_ALLOC(txDataReq, txDataReqMsgSize);
+      if(txDataReq == NULLP)
+      {
+         DU_LOG("\nLWR_MAC: Failed to allocate memory for TX data Request");
          return RFAILED;
       }
+
+      memset(txDataReq, 0, txDataReqMsgSize);
+               txDataReq->sfn  = currTimingInfo.sfn;
+               txDataReq->slot = currTimingInfo.slot;
+      txDataReq->pduDesc = (fapi_tx_pdu_desc_t *)(txDataReq + \
+         (sizeof(fapi_tx_data_req_t) - sizeof(fapi_tx_pdu_desc_t *)));
+
+      if(dlInfo->brdcstAlloc.sib1Trans)
+      {
+         fillSib1TxDataReq(txDataReq->pduDesc,
+               &rgCb[inst].cell->macCellCfg, &msgLen, pduIndex);
+         pduIndex++;
+         txDataReq->numPdus++;
+      }
+      if(dlInfo->rarAlloc != NULLP)
+      {
+         fillRarTxDataReq(txDataReq->pduDesc, &dlInfo->rarAlloc->rarInfo, &msgLen, pduIndex);
+         pduIndex++;
+         txDataReq->numPdus++;
+
+         MAC_FREE(dlInfo->rarAlloc,sizeof(RarAlloc));
+         dlInfo->rarAlloc = NULLP;
+      }
+      if(dlInfo->msg4Alloc != NULLP)
+      {
+         fillMsg4TxDataReq(txDataReq->pduDesc, &dlInfo->msg4Alloc->\
+             msg4Info, &msgLen, pduIndex);
+         pduIndex++;
+         txDataReq->numPdus++;
+
+         MAC_FREE(dlInfo->msg4Alloc,sizeof(Msg4Alloc));
+         dlInfo->msg4Alloc = NULLP;
+      }
+      msgLen += sizeof(fapi_tx_data_req_t) - sizeof(fapi_msg_t);
+      fillMsgHeader(&txDataReq->header, FAPI_TX_DATA_REQUEST, msgLen);
+      LwrMacSendToPhy(txDataReq->header.message_type_id, txDataReqMsgSize, \
+         (void *)txDataReq);
+   }
+#endif
+   return ROK;
+}
+
+/***********************************************************************
+ *
+ * @brief calculates the total size to be allocated for UL TTI Req
+ *
+ * @details
+ *
+ *    Function : getnPdus
+ *
+ *    Functionality:
+ *         -calculates the total pdu count to be allocated for UL TTI Req
+ *
+ * @params[in] Pointer to fapi Ul TTI Req
+ *             Pointer to CurrUlSlot
+ * @return count
+ * ********************************************************************/
+#ifdef INTEL_FAPI
+uint8_t getnPdus(fapi_ul_tti_req_t *ulTtiReq, MacUlSlot *currUlSlot)
+{
+   uint8_t pduCount = 0;
+
+   if(ulTtiReq && currUlSlot)
+       {
+               if(currUlSlot->ulInfo.dataType & SCH_DATATYPE_PRACH)
+               {
+                       pduCount++;
+                       ulTtiReq->rachPresent = PDU_PRESENT;
+               }
+               if(currUlSlot->ulInfo.dataType & SCH_DATATYPE_PUSCH)
+               {
+                       pduCount++;
+                       ulTtiReq->nUlsch++;
+               }
+               if(currUlSlot->ulInfo.dataType & SCH_DATATYPE_PUSCH_UCI)
+               {
+                  pduCount++;
+         ulTtiReq->nUlsch = PDU_PRESENT;
+      }
+      if(currUlSlot->ulInfo.dataType & SCH_DATATYPE_UCI)
+      {
+         pduCount++;
+         ulTtiReq->nUlcch = PDU_PRESENT;
+      }
+      if(currUlSlot->ulInfo.dataType & SCH_DATATYPE_SRS)
+      {
+         pduCount++;
+      }
+   }
+   return pduCount;
+}
+#endif
+
+/***********************************************************************
+ *
+ * @brief Set the value of zero correlation config in PRACH PDU
+ *
+ * @details
+ *
+ *    Function : setNumCs
+ *
+ *    Functionality:
+ *         -Set the value of zero correlation config in PRACH PDU
+ *
+ * @params[in] Pointer to zero correlation config
+ *             Pointer to MacCellCfg
+ * ********************************************************************/
+
+void setNumCs(uint8_t *numCs, MacCellCfg *macCellCfg)
+{
+#ifdef INTEL_FAPI
+   uint8_t idx;
+   if(macCellCfg != NULLP)
+   {
+      idx = macCellCfg->prachCfg.fdm[0].zeroCorrZoneCfg; 
+      *numCs = UnrestrictedSetNcsTable[idx];
    }
+#endif
+}
+
+/***********************************************************************
+ *
+ * @brief Fills the PRACH PDU in UL TTI Request
+ *
+ * @details
+ *
+ *    Function : fillPrachPdu
+ *
+ *    Functionality:
+ *         -Fills the PRACH PDU in UL TTI Request
+ *
+ * @params[in] Pointer to Prach Pdu
+ *             Pointer to CurrUlSlot
+ *             Pointer to macCellCfg
+ *             Pointer to msgLen
+ * ********************************************************************/
+
+#ifdef INTEL_FAPI
+void fillPrachPdu(fapi_ul_tti_req_pdu_t *ulTtiReqPdu, MacCellCfg *macCellCfg, MacUlSlot *currUlSlot, uint32_t *msgLen)
+{
+   if(ulTtiReqPdu != NULLP)
+   {
+      ulTtiReqPdu->pduType = PRACH_PDU_TYPE; 
+      ulTtiReqPdu->u.prach_pdu.physCellId = macCellCfg->phyCellId;
+      ulTtiReqPdu->u.prach_pdu.numPrachOcas = currUlSlot->ulInfo.prachSchInfo.numPrachOcas;
+      ulTtiReqPdu->u.prach_pdu.prachFormat = \
+      currUlSlot->ulInfo.prachSchInfo.prachFormat;
+      ulTtiReqPdu->u.prach_pdu.numRa = currUlSlot->ulInfo.prachSchInfo.numRa;
+      ulTtiReqPdu->u.prach_pdu.prachStartSymbol = \
+      currUlSlot->ulInfo.prachSchInfo.prachStartSymb;
+      setNumCs(&ulTtiReqPdu->u.prach_pdu.numCs, macCellCfg);
+      ulTtiReqPdu->u.prach_pdu.beamforming.numPrgs = 0;
+      ulTtiReqPdu->u.prach_pdu.beamforming.prgSize = 0;
+      ulTtiReqPdu->u.prach_pdu.beamforming.digBfInterfaces = 0;
+      ulTtiReqPdu->u.prach_pdu.beamforming.pmi_bfi[0].pmIdx = 0;
+      ulTtiReqPdu->u.prach_pdu.beamforming.pmi_bfi[0].beamIdx[0].beamidx = 0;
+      ulTtiReqPdu->pduSize = sizeof(fapi_ul_prach_pdu_t); 
+
+      SET_MSG_LEN(*msgLen, (sizeof(ulTtiReqPdu->pduType) + \
+         sizeof(ulTtiReqPdu->pduSize) + sizeof(fapi_ul_prach_pdu_t)));
+   }
+}
+
+void fillPuschPdu(fapi_ul_tti_req_pdu_t *ulTtiReqPdu, MacCellCfg *macCellCfg, MacUlSlot *currUlSlot, uint32_t *msgLen)
+{
+   if(ulTtiReqPdu != NULLP)
+   {
+      ulTtiReqPdu->pduType = PUSCH_PDU_TYPE;
+      ulTtiReqPdu->u.pusch_pdu.pduBitMap = 1;
+      ulTtiReqPdu->u.pusch_pdu.rnti = currUlSlot->ulInfo.crnti;
+               /* TODO : Fill handle in raCb when scheduling pusch and access here */
+      ulTtiReqPdu->u.pusch_pdu.handle = 100;
+      ulTtiReqPdu->u.pusch_pdu.bwpSize = macCellCfg->initialUlBwp.bwp.numPrb;
+      ulTtiReqPdu->u.pusch_pdu.bwpStart = macCellCfg->initialUlBwp.bwp.firstPrb;
+      ulTtiReqPdu->u.pusch_pdu.subCarrierSpacing = \
+                  macCellCfg->initialUlBwp.bwp.scs;
+      ulTtiReqPdu->u.pusch_pdu.cyclicPrefix = \
+                  macCellCfg->initialUlBwp.bwp.cyclicPrefix;
+      ulTtiReqPdu->u.pusch_pdu.targetCodeRate = 308;
+      ulTtiReqPdu->u.pusch_pdu.qamModOrder = 2;
+      ulTtiReqPdu->u.pusch_pdu.mcsIndex = \
+                  currUlSlot->ulInfo.schPuschInfo.tbInfo.mcs;
+      ulTtiReqPdu->u.pusch_pdu.mcsTable = 0;
+      ulTtiReqPdu->u.pusch_pdu.transformPrecoding = 1;
+      ulTtiReqPdu->u.pusch_pdu.dataScramblingId = currUlSlot->ulInfo.cellId;
+      ulTtiReqPdu->u.pusch_pdu.nrOfLayers = 1;
+      ulTtiReqPdu->u.pusch_pdu.ulDmrsSymbPos = 4;
+      ulTtiReqPdu->u.pusch_pdu.dmrsConfigType = 0;
+      ulTtiReqPdu->u.pusch_pdu.ulDmrsScramblingId = currUlSlot->ulInfo.cellId;
+      ulTtiReqPdu->u.pusch_pdu.scid = 0;
+      ulTtiReqPdu->u.pusch_pdu.numDmrsCdmGrpsNoData = 1;
+      ulTtiReqPdu->u.pusch_pdu.dmrsPorts = 0;
+      ulTtiReqPdu->u.pusch_pdu.resourceAlloc = \
+                  currUlSlot->ulInfo.schPuschInfo.resAllocType;
+      ulTtiReqPdu->u.pusch_pdu.rbStart = \
+                  currUlSlot->ulInfo.schPuschInfo.fdAlloc.startPrb;
+      ulTtiReqPdu->u.pusch_pdu.rbSize = \
+                  currUlSlot->ulInfo.schPuschInfo.fdAlloc.numPrb;
+      ulTtiReqPdu->u.pusch_pdu.vrbToPrbMapping = 0;
+      ulTtiReqPdu->u.pusch_pdu.frequencyHopping = 0;
+      ulTtiReqPdu->u.pusch_pdu.txDirectCurrentLocation = 0;
+      ulTtiReqPdu->u.pusch_pdu.uplinkFrequencyShift7p5khz = 0;
+      ulTtiReqPdu->u.pusch_pdu.startSymbIndex = \
+                  currUlSlot->ulInfo.schPuschInfo.tdAlloc.startSymb;
+      ulTtiReqPdu->u.pusch_pdu.nrOfSymbols = \
+                  currUlSlot->ulInfo.schPuschInfo.tdAlloc.numSymb;
+      ulTtiReqPdu->u.pusch_pdu.puschData.rvIndex = \
+                  currUlSlot->ulInfo.schPuschInfo.tbInfo.rv;
+      ulTtiReqPdu->u.pusch_pdu.puschData.harqProcessId = \
+                  currUlSlot->ulInfo.schPuschInfo.harqProcId;
+      ulTtiReqPdu->u.pusch_pdu.puschData.newDataIndicator = \
+                  currUlSlot->ulInfo.schPuschInfo.tbInfo.ndi;
+      ulTtiReqPdu->u.pusch_pdu.puschData.tbSize = \
+                  currUlSlot->ulInfo.schPuschInfo.tbInfo.tbSize;
+               /* numCb is 0 for new transmission */
+      ulTtiReqPdu->u.pusch_pdu.puschData.numCb = 0;
+
+      ulTtiReqPdu->pduSize = sizeof(fapi_ul_pusch_pdu_t);
+       
+      SET_MSG_LEN(*msgLen, (sizeof(ulTtiReqPdu->pduType) + \
+         sizeof(ulTtiReqPdu->pduSize) + sizeof(fapi_ul_pusch_pdu_t)));
+   }
+}
+
+void fillPucchPdu(fapi_ul_tti_req_pdu_t *ulTtiReqPdu, MacCellCfg *macCellCfg,\
+  MacUlSlot *currUlSlot, uint32_t *msgLen)
+{
+   if(ulTtiReqPdu != NULLP)
+   {
+          ulTtiReqPdu->pduType                  = PUCCH_PDU_TYPE;
+          ulTtiReqPdu->u.pucch_pdu.rnti         = currUlSlot->ulInfo.schPucchInfo.rnti;
+               /* TODO : Fill handle in raCb when scheduling pucch and access here */
+          ulTtiReqPdu->u.pucch_pdu.handle       = 100;
+          ulTtiReqPdu->u.pucch_pdu.bwpSize      = macCellCfg->initialUlBwp.bwp.numPrb;
+          ulTtiReqPdu->u.pucch_pdu.bwpStart     = macCellCfg->initialUlBwp.bwp.firstPrb;
+          ulTtiReqPdu->u.pucch_pdu.subCarrierSpacing = macCellCfg->initialUlBwp.bwp.scs;
+          ulTtiReqPdu->u.pucch_pdu.cyclicPrefix = macCellCfg->initialUlBwp.bwp.cyclicPrefix;
+          ulTtiReqPdu->u.pucch_pdu.formatType   = currUlSlot->ulInfo.schPucchInfo.pucchFormat; /* Supporting PUCCH Format 0 */
+          ulTtiReqPdu->u.pucch_pdu.multiSlotTxIndicator = 0; /* No Multi Slot transmission */
+          ulTtiReqPdu->u.pucch_pdu.pi2Bpsk              = 0; /* Disabled */
+          ulTtiReqPdu->u.pucch_pdu.prbStart     = currUlSlot->ulInfo.schPucchInfo.fdAlloc.startPrb;
+          ulTtiReqPdu->u.pucch_pdu.prbSize      = currUlSlot->ulInfo.schPucchInfo.fdAlloc.numPrb;
+          ulTtiReqPdu->u.pucch_pdu.startSymbolIndex = currUlSlot->ulInfo.schPucchInfo.tdAlloc.startSymb;
+          ulTtiReqPdu->u.pucch_pdu.nrOfSymbols  = currUlSlot->ulInfo.schPucchInfo.tdAlloc.numSymb;
+          ulTtiReqPdu->u.pucch_pdu.freqHopFlag  = 0; /* Disabled */
+          ulTtiReqPdu->u.pucch_pdu.secondHopPrb = 0;
+          ulTtiReqPdu->u.pucch_pdu.groupHopFlag = 0;     
+          ulTtiReqPdu->u.pucch_pdu.sequenceHopFlag = 0;
+          ulTtiReqPdu->u.pucch_pdu.hoppingId    = 0;
+          ulTtiReqPdu->u.pucch_pdu.initialCyclicShift = 0;
+          ulTtiReqPdu->u.pucch_pdu.dataScramblingId = 0; /* Valid for Format 2, 3, 4 */
+          ulTtiReqPdu->u.pucch_pdu.timeDomainOccIdx = 0; /* Valid for Format 1 */
+          ulTtiReqPdu->u.pucch_pdu.preDftOccIdx     = 0; /* Valid for Format 4 */
+          ulTtiReqPdu->u.pucch_pdu.preDftOccLen     = 0; /* Valid for Format 4 */
+          ulTtiReqPdu->u.pucch_pdu.addDmrsFlag      = 0; /* Valid for Format 3, 4 */
+          ulTtiReqPdu->u.pucch_pdu.dmrsScramblingId = 0; /* Valid for Format 2 */
+          ulTtiReqPdu->u.pucch_pdu.dmrsCyclicShift  = 0; /* Valid for Format 4 */
+          ulTtiReqPdu->u.pucch_pdu.srFlag           = currUlSlot->ulInfo.schPucchInfo.srFlag;
+          ulTtiReqPdu->u.pucch_pdu.bitLenHarq       = currUlSlot->ulInfo.schPucchInfo.numHarqBits;
+          ulTtiReqPdu->u.pucch_pdu.bitLenCsiPart1   = 0; /* Valid for Format 2, 3, 4 */
+          ulTtiReqPdu->u.pucch_pdu.bitLenCsiPart2   = 0; /* Valid for Format 2, 3, 4 */
+      ulTtiReqPdu->u.pucch_pdu.beamforming.numPrgs = 0; /* Not Supported */
+      ulTtiReqPdu->u.pucch_pdu.beamforming.prgSize = 0;
+      ulTtiReqPdu->u.pucch_pdu.beamforming.digBfInterfaces = 0;
+      ulTtiReqPdu->u.pucch_pdu.beamforming.pmi_bfi[0].pmIdx = 0;
+      ulTtiReqPdu->u.pucch_pdu.beamforming.pmi_bfi[0].beamIdx[0].beamidx = 0;
+
+      ulTtiReqPdu->pduSize = sizeof(fapi_ul_pucch_pdu_t);
+      SET_MSG_LEN(*msgLen, (sizeof(ulTtiReqPdu->pduType) + \
+         sizeof(ulTtiReqPdu->pduSize) + sizeof(fapi_ul_pucch_pdu_t)));
+       }
+}
+
+#endif
+
+/*******************************************************************
+ *
+ * @brief Sends UL TTI Request to PHY
+ *
+ * @details
+ *
+ *    Function : handleUlTtiReq
+ *
+ *    Functionality:
+ *         -Sends FAPI Param req to PHY
+ *
+ * @params[in]  Pointer to CmLteTimingInfo
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ ******************************************************************/
+uint16_t handleUlTtiReq(SlotIndInfo currTimingInfo)
+{
+#ifdef INTEL_FAPI
+   uint8_t    pduIdx = -1;
+   uint8_t    numPdu = 0;
+   uint32_t   msgLen = 0;
+   uint32_t   msgSize = 0;
+
+   fapi_ul_tti_req_t *ulTtiReq = NULLP;
+   SlotIndInfo ulTtiReqTimingInfo;
+
+   RgCellCb  *cellCbParams = NULLP;
+   MacUlSlot *currUlSlot = NULLP;
+   MacCellCfg macCellCfg;
+   Inst inst = 0;
+
+   if(clGlobalCp.phyState == PHY_STATE_RUNNING)
+       {
+               cellCbParams = rgCb[inst].cell;
+               macCellCfg = cellCbParams->macCellCfg;
+
+               /* add PHY delta */
+               ADD_DELTA_TO_TIME(currTimingInfo,ulTtiReqTimingInfo,PHY_DELTA);
+
+               currUlSlot = &macCb.macCell->ulSlot[ulTtiReqTimingInfo.slot % MAX_SLOT_SUPPORTED];
+               numPdu = getnPdus(NULL, currUlSlot);
+               msgSize = sizeof(fapi_ul_tti_req_t) + (numPdu*sizeof(fapi_ul_tti_req_pdu_t));
+               LWR_MAC_ALLOC(ulTtiReq, msgSize);
+
+               if(ulTtiReq != NULLP)
+               {
+                       memset(ulTtiReq, 0, msgSize);
+                       ulTtiReq->sfn  = ulTtiReqTimingInfo.sfn;
+                       ulTtiReq->slot = ulTtiReqTimingInfo.slot;
+                       ulTtiReq->nPdus = getnPdus(ulTtiReq, currUlSlot);
+                       ulTtiReq->nGroup = 0;
+                       if(ulTtiReq->nPdus > 0)
+                       {
+                               ulTtiReq->pdus = (fapi_ul_tti_req_pdu_t *)(ulTtiReq + \
+                                               (sizeof(fapi_ul_tti_req_t) - sizeof(fapi_ul_tti_req_pdu_t*)));
+                               /* Fill Prach Pdu */
+                               if(currUlSlot->ulInfo.dataType & SCH_DATATYPE_PRACH)
+                               {
+                                       pduIdx++;
+                                       fillPrachPdu(&ulTtiReq->pdus[pduIdx], &macCellCfg, currUlSlot, &msgLen);
+                               }
+
+                               /* Fill PUSCH PDU */
+                               if(currUlSlot->ulInfo.dataType & SCH_DATATYPE_PUSCH)
+                               {
+                                       pduIdx++;
+                                       fillPuschPdu(&ulTtiReq->pdus[pduIdx], &macCellCfg, currUlSlot, &msgLen);
+                               }
+                               /* Fill PUCCH PDU */
+            if(currUlSlot->ulInfo.dataType & SCH_DATATYPE_UCI)
+                               {
+                                       pduIdx++;
+                                       fillPucchPdu(&ulTtiReq->pdus[pduIdx], &macCellCfg, currUlSlot, &msgLen);
+                               }
+                               if((currUlSlot->ulInfo.dataType & SCH_DATATYPE_PRACH) || \
+                                               (currUlSlot->ulInfo.dataType & SCH_DATATYPE_PUSCH)|| \
+                                               (currUlSlot->ulInfo.dataType & SCH_DATATYPE_UCI))
+                               {
+                                       msgLen += (sizeof(fapi_ul_tti_req_t) - sizeof(fapi_msg_t));
+                                       fillMsgHeader(&ulTtiReq->header, FAPI_UL_TTI_REQUEST, msgLen);
+
+                                       DU_LOG("\nLWR_MAC: Sending UL TTI Request");
+                                       LwrMacSendToPhy(ulTtiReq->header.message_type_id, msgSize, (void *)ulTtiReq);
+                               }   
+                       } 
+                       else
+                       {
+                               msgLen = sizeof(fapi_ul_tti_req_t) - sizeof(fapi_msg_t);
+                               fillMsgHeader(&ulTtiReq->header, FAPI_UL_TTI_REQUEST, msgLen);
+
+                               DU_LOG("\nLWR_MAC: Sending UL TTI Request");
+                               LwrMacSendToPhy(ulTtiReq->header.message_type_id, msgSize, (void *)ulTtiReq);
+                       }
+                       memset(currUlSlot, 0, sizeof(MacUlSlot));
+                       return ROK;
+               }
+               else
+               {
+                       DU_LOG("\nLWR_MAC: Failed to allocate memory for UL TTI Request");
+                       memset(currUlSlot, 0, sizeof(MacUlSlot));
+                       return RFAILED;
+               }
+       }
    else
    {
-       lwr_mac_handleInvalidEvt(dlTtiReqtimingInfo);
+       lwr_mac_handleInvalidEvt(&currTimingInfo);
    }
-#else
-   return ROK;
 #endif
+   return ROK;
 }
 
 lwrMacFsmHdlr fapiEvtHdlr[MAX_STATE][MAX_EVENT] =
@@ -2447,6 +3726,7 @@ lwrMacFsmHdlr fapiEvtHdlr[MAX_STATE][MAX_EVENT] =
        lwr_mac_handleConfigReqEvt,
        lwr_mac_handleConfigRspEvt,
        lwr_mac_handleInvalidEvt,
+       lwr_mac_handleInvalidEvt,
    },
    {
        /* PHY_STATE_CONFIGURED */
@@ -2455,6 +3735,7 @@ lwrMacFsmHdlr fapiEvtHdlr[MAX_STATE][MAX_EVENT] =
        lwr_mac_handleConfigReqEvt,
        lwr_mac_handleConfigRspEvt,
        lwr_mac_handleStartReqEvt,
+       lwr_mac_handleInvalidEvt,
    },
    {
        /* PHY_STATE_RUNNING */
@@ -2463,12 +3744,13 @@ lwrMacFsmHdlr fapiEvtHdlr[MAX_STATE][MAX_EVENT] =
        lwr_mac_handleConfigReqEvt,
        lwr_mac_handleConfigRspEvt,
        lwr_mac_handleInvalidEvt,
+       lwr_mac_handleStopReqEvt,
    }
 };
 
 /*******************************************************************
  *
- * @brief Sends message to Lower Mac Fsm Event Handler
+ * @brief Sends message to LWR_MAC Fsm Event Handler
  *
  * @details
  *