K0-K1 configuration from F1AP to SCH [Issue-ID: ODUHIGH-341]
[o-du/l2.git] / src / 5gnrmac / lwr_mac_fsm.c
index 5cbe91c..ffef575 100644 (file)
 #include "mac_sch_interface.h"
 #include "lwr_mac_upr_inf.h"
 #include "mac.h"
-#include "lwr_mac_phy.h"
 #include "lwr_mac.h"
 #ifdef INTEL_FAPI
 #include "fapi.h"
+#include "fapi_vendor_extension.h"
+#endif
+#ifdef INTEL_WLS_MEM
+#include "wls_lib.h"
 #endif
 #include "lwr_mac_fsm.h"
+#include "lwr_mac_phy.h"
 #include "mac_utils.h"
 
 #define MIB_SFN_BITMASK 0xFC
 #define PDU_PRESENT 1
 #define SET_MSG_LEN(x, size) x += size
 
-extern void fapiMacConfigRsp(uint16_t cellId);
-extern uint8_t UnrestrictedSetNcsTable[MAX_ZERO_CORR_CFG_IDX];
-
 /* Global variables */
-uint8_t slotIndIdx;
-uint16_t sendTxDataReq(SlotIndInfo currTimingInfo, DlSchedInfo *dlInfo);
+LwrMacCb lwrMacCb;
+
+uint8_t UnrestrictedSetNcsTable[MAX_ZERO_CORR_CFG_IDX];
+void fapiMacConfigRsp(uint16_t cellId);
+uint16_t sendTxDataReq(SlotIndInfo currTimingInfo, DlSchedInfo *dlInfo, p_fapi_api_queue_elem_t prevElem);
+uint16_t fillUlTtiReq(SlotIndInfo currTimingInfo, p_fapi_api_queue_elem_t prevElem);
+uint16_t fillUlDciReq(SlotIndInfo currTimingInfo, p_fapi_api_queue_elem_t prevElem);
+uint8_t lwr_mac_procStopReqEvt(SlotIndInfo slotInfo, p_fapi_api_queue_elem_t  prevElem);
 
-void lwrMacInit()
+void lwrMacLayerInit(Region region, Pool pool)
 {
-#ifdef INTEL_WLS
-   uint8_t  idx;
+#ifdef INTEL_WLS_MEM
+   uint8_t idx;
+#endif
 
+   memset(&lwrMacCb, 0, sizeof(LwrMacCb));
+   lwrMacCb.region = region;
+   lwrMacCb.pool = pool;
+   lwrMacCb.clCfgDone = TRUE;
+   lwrMacCb.numCell = 0;
+   lwrMacCb.phyState = PHY_STATE_IDLE;
+
+#ifdef INTEL_WLS_MEM
    /* Initializing WLS free mem list */
-   slotIndIdx = 1;
+   lwrMacCb.phySlotIndCntr = 1;
    for(idx = 0; idx < WLS_MEM_FREE_PRD; idx++)
    {
       cmLListInit(&wlsBlockToFreeList[idx]);
@@ -82,7 +98,7 @@ void lwrMacInit()
  * ****************************************************************/
 uint8_t lwr_mac_procInvalidEvt(void *msg)
 {
-   printf("\nLWR_MAC: Error Indication Event[%d] received in state [%d]", lwrMacCb.event, lwrMacCb.phyState);
+   DU_LOG("\nERROR  -->  LWR_MAC: Error Indication Event[%d] received in state [%d]", lwrMacCb.event, lwrMacCb.phyState);
    return ROK;
 }
 
@@ -132,7 +148,7 @@ void fillMsgHeader(fapi_msg_t *hdr, uint16_t msgType, uint16_t msgLen)
  *
  * ****************************************************************/
 void fillTlvs(fapi_uint32_tlv_t *tlv, uint16_t tag, uint16_t length,
-      uint16_t value, uint32_t *msgLen)
+      uint32_t value, uint32_t *msgLen)
 {
    tlv->tl.tag    = tag;
    tlv->tl.length = length;
@@ -1242,17 +1258,13 @@ 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)
@@ -1265,11 +1277,34 @@ uint32_t getParamValue(fapi_uint16_tlv_t *tlv, uint16_t type)
    }
    else
    {
-      DU_LOG("\nLWR_MAC: Value Extraction failed" );
+      DU_LOG("\nERROR  -->  LWR_MAC: Value Extraction failed" );
       return RFAILED;
    }
 }
 #endif /* FAPI */
+
+/*******************************************************************
+ *
+ * @brief Modifes the received mibPdu to uint32 bit
+ *        and stores it in MacCellCfg
+ *
+ * @details
+ *
+ *    Function : setMibPdu
+ *
+ *    Functionality:
+ *         -Sets the MibPdu
+ *
+ * @params[in] Pointer to mibPdu
+ *             pointer to modified value
+ ******************************************************************/
+void setMibPdu(uint8_t *mibPdu, uint32_t *val, uint16_t sfn)
+{
+   *mibPdu |= (((uint8_t)(sfn << 2)) & MIB_SFN_BITMASK);
+   *val = (mibPdu[0] << 24 | mibPdu[1] << 16 | mibPdu[2] << 8);
+   DU_LOG("\nDEBUG  -->  LWR_MAC: MIB PDU %x", *val);
+}
+
 /*******************************************************************
  *
  * @brief Sends FAPI Param req to PHY
@@ -1291,21 +1326,40 @@ uint8_t lwr_mac_procParamReqEvt(void *msg)
 {
 #ifdef INTEL_FAPI
    /* startGuardTimer(); */
-   uint32_t msgLen = 0;             //Length of message Body
-   fapi_param_req_t *paramReq = NULL;
+   fapi_param_req_t         *paramReq = NULL;
+   fapi_msg_header_t        *msgHeader;
+   p_fapi_api_queue_elem_t  paramReqElem;
+   p_fapi_api_queue_elem_t  headerElem;
 
-   LWR_MAC_ALLOC(paramReq, sizeof(fapi_param_req_t));
+   LWR_MAC_ALLOC(paramReqElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_param_req_t)));
    if(paramReq != NULL)
    {
-      fillMsgHeader(&paramReq->header, FAPI_PARAM_REQUEST, msgLen);
+      FILL_FAPI_LIST_ELEM(paramReqElem, NULLP, FAPI_PARAM_REQUEST, 1, \
+         sizeof(fapi_tx_data_req_t));
+      paramReq = (fapi_param_req_t *)(paramReqElem +1);
+      memset(paramReq, 0, sizeof(fapi_param_req_t));
+      fillMsgHeader(&paramReq->header, FAPI_PARAM_REQUEST, sizeof(fapi_param_req_t));
+
+      /* Fill message header */
+      LWR_MAC_ALLOC(headerElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_msg_header_t)));
+      if(!headerElem)
+      {
+         DU_LOG("\nERROR  -->  LWR_MAC: Memory allocation failed for param req header");
+         LWR_MAC_FREE(paramReqElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_param_req_t)));
+         return RFAILED;
+      }
+      FILL_FAPI_LIST_ELEM(headerElem, paramReqElem, FAPI_VENDOR_MSG_HEADER_IND, 1, \
+         sizeof(fapi_msg_header_t));
+      msgHeader = (fapi_msg_header_t *)(headerElem + 1);
+      msgHeader->num_msg = 1;
+      msgHeader->handle = 0;
 
-      DU_LOG("\nLWR_MAC: Sending Param Request to Phy");
-      LwrMacSendToPhy(paramReq->header.msg_id, \
-           sizeof(fapi_param_req_t), (void *)paramReq);
+      DU_LOG("\nDEBUG  -->  LWR_MAC: Sending Param Request to Phy");
+      LwrMacSendToL1(headerElem);
    }
    else
    {
-      DU_LOG("\nLWR_MAC: Failed to allocate memory for Param Request");
+      DU_LOG("\nERROR  -->  LWR_MAC: Failed to allocate memory for Param Request");
       return RFAILED;
    }
 #endif
@@ -1339,14 +1393,14 @@ uint8_t lwr_mac_procParamRspEvt(void *msg)
    ClCellParam *cellParam = NULLP;
 
    paramRsp = (fapi_param_resp_t *)msg;
-   DU_LOG("\nLWR_MAC: Received EVENT[%d] at STATE[%d]", lwrMacCb.event, lwrMacCb.phyState);
+   DU_LOG("\nINFO  -->  LWR_MAC: Received EVENT[%d] at STATE[%d]", lwrMacCb.event, lwrMacCb.phyState);
 
    if(paramRsp != NULLP)
    {
       MAC_ALLOC(cellParam, sizeof(ClCellParam));
       if(cellParam != NULLP)
       {
-        DU_LOG("\n LWR_MAC: Filling TLVS into MAC API");
+        DU_LOG("\nDEBUG  -->  LWR_MAC: Filling TLVS into MAC API");
         if(paramRsp->error_code == MSG_OK)
         {
            for(index = 0; index < paramRsp->number_of_tlvs; index++)
@@ -1365,7 +1419,7 @@ uint8_t lwr_mac_procParamRspEvt(void *msg)
                     encodedVal = getParamValue(&paramRsp->tlvs[index], FAPI_UINT_8);
                     if(encodedVal != RFAILED && encodedVal != lwrMacCb.phyState)
                     {
-                       printf("\n PhyState mismatch [%d][%d]", lwrMacCb.phyState, lwrMacCb.event);
+                       DU_LOG("\nERROR  -->  PhyState mismatch [%d][%d]", lwrMacCb.phyState, lwrMacCb.event);
                        return RFAILED;
                     }
                     break;
@@ -1819,7 +1873,7 @@ uint8_t lwr_mac_procParamRspEvt(void *msg)
                     }
                     break;
                  default:
-                    //printf("\n Invalid value for TLV[%x] at index[%d]", paramRsp->tlvs[index].tl.tag, index);
+                    //DU_LOG("\nERROR  -->   Invalid value for TLV[%x] at index[%d]", paramRsp->tlvs[index].tl.tag, index);
                     break;
               }
            }
@@ -1829,19 +1883,19 @@ uint8_t lwr_mac_procParamRspEvt(void *msg)
         }
         else
         {
-           DU_LOG("\n LWR_MAC: Invalid error code %d", paramRsp->error_code);
+           DU_LOG("\nERROR  -->   LWR_MAC: Invalid error code %d", paramRsp->error_code);
            return RFAILED;
         }
       }
       else
       {
-        DU_LOG("\nLWR_MAC: Failed to allocate memory for cell param");
+        DU_LOG("\nERROR  -->  LWR_MAC: Failed to allocate memory for cell param");
         return RFAILED;
       }
    }
    else
    {
-      DU_LOG("\nLWR_MAC:  Param Response received from PHY is NULL");
+      DU_LOG("\nERROR  -->  LWR_MAC:  Param Response received from PHY is NULL");
       return RFAILED;
    }
 #else
@@ -1849,6 +1903,70 @@ uint8_t lwr_mac_procParamRspEvt(void *msg)
 #endif
 }
 
+#ifdef INTEL_TIMER_MODE
+uint8_t lwr_mac_procIqSamplesReqEvt(void *msg)
+{
+   void * wlsHdlr = NULLP;
+   fapi_msg_header_t *msgHeader;
+   fapi_vendor_ext_iq_samples_req_t *iqSampleReq;
+   p_fapi_api_queue_elem_t  headerElem;
+   p_fapi_api_queue_elem_t  iqSampleElem;
+   char filename[100] = "/root/intel/FlexRAN/testcase/ul/mu0_20mhz/2/uliq00_prach_tst2.bin"; 
+
+   uint8_t buffer[] ={0,0,0,0,0,2,11,0,212,93,40,0,20,137,38,0,20,0,20,0,0,8,0,8,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,255,0,0,0,0,0,0,0,2,2,2,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,1,0,0,0,0,0,0,1,0,2,0,0,0,0,0,0,0,1,0};
+
+   size_t bufferSize = sizeof(buffer) / sizeof(buffer[0]);
+
+   /* Fill IQ sample req */
+   mtGetWlsHdl(&wlsHdlr);
+   //iqSampleElem = (p_fapi_api_queue_elem_t)WLS_Alloc(wlsHdlr, \
+      (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_vendor_ext_iq_samples_req_t))); 
+   LWR_MAC_ALLOC(iqSampleElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_vendor_ext_iq_samples_req_t)));
+   if(!iqSampleElem)
+   {
+      DU_LOG("\nERROR  -->  LWR_MAC: Memory allocation failed for IQ sample req");
+      return RFAILED;
+   }
+   FILL_FAPI_LIST_ELEM(iqSampleElem, NULLP, FAPI_VENDOR_EXT_UL_IQ_SAMPLES, 1, \
+      sizeof(fapi_vendor_ext_iq_samples_req_t));
+
+   iqSampleReq = (fapi_vendor_ext_iq_samples_req_t *)(iqSampleElem + 1);
+   memset(iqSampleReq, 0, sizeof(fapi_vendor_ext_iq_samples_req_t));
+   fillMsgHeader(&iqSampleReq->header, FAPI_VENDOR_EXT_UL_IQ_SAMPLES, \
+      sizeof(fapi_vendor_ext_iq_samples_req_t));
+
+   iqSampleReq->iq_samples_info.carrNum = 0;
+   iqSampleReq->iq_samples_info.numSubframes = 40;
+   iqSampleReq->iq_samples_info.nIsRadioMode = 0;
+   iqSampleReq->iq_samples_info.timerModeFreqDomain = 0;
+   iqSampleReq->iq_samples_info.phaseCompensationEnable = 0;
+   iqSampleReq->iq_samples_info.startFrameNum = 0;
+   iqSampleReq->iq_samples_info.startSlotNum = 0;
+   iqSampleReq->iq_samples_info.startSymNum = 0;
+   strncpy(iqSampleReq->iq_samples_info.filename_in_ul_iq[0], filename, 100);
+   memcpy(iqSampleReq->iq_samples_info.buffer, buffer, bufferSize);
+
+   /* TODO : Fill remaining parameters */
+
+   /* Fill message header */
+   LWR_MAC_ALLOC(headerElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_msg_header_t)));
+   if(!headerElem)
+   {
+      DU_LOG("\nERROR  -->  LWR_MAC: Memory allocation failed for FAPI header in lwr_mac_procIqSamplesReqEvt");
+      return RFAILED;
+   }
+   FILL_FAPI_LIST_ELEM(headerElem, iqSampleElem, FAPI_VENDOR_MSG_HEADER_IND, 1, \
+     sizeof(fapi_msg_header_t));
+   msgHeader = (fapi_msg_header_t *)(headerElem + 1);
+   msgHeader->num_msg = 1; 
+   msgHeader->handle = 0;
+
+   DU_LOG("\nINFO   -->  LWR_MAC: Sending IQ Sample request to Phy");
+   LwrMacSendToL1(headerElem);
+   return ROK;
+}
+#endif
+
 /*******************************************************************
  *
  * @brief Sends FAPI Config req to PHY
@@ -1869,15 +1987,24 @@ uint8_t lwr_mac_procParamRspEvt(void *msg)
 uint8_t lwr_mac_procConfigReqEvt(void *msg)
 {
 #ifdef INTEL_FAPI
-   uint8_t idx = 0;
+#ifdef NR_TDD
+   uint8_t slotIdx = 0; 
+   uint8_t symbolIdx =0;
+#endif   
    uint8_t index = 0;
-   uint16_t *cellId;
-   uint16_t cellIdx;
+   uint16_t *cellId =NULLP;
+   uint16_t cellIdx =0;
    uint32_t msgLen = 0;
+   uint32_t mib = 0;
    MacCellCfg macCfgParams;
+   fapi_vendor_msg_t *vendorMsg;
    fapi_config_req_t *configReq;
+   fapi_msg_header_t *msgHeader;
+   p_fapi_api_queue_elem_t  headerElem;
+   p_fapi_api_queue_elem_t  vendorMsgQElem;
+   p_fapi_api_queue_elem_t  cfgReqQElem;
 
-   DU_LOG("\nLWR_MAC: Received EVENT[%d] at STATE[%d]", lwrMacCb.event, \
+   DU_LOG("\nINFO  -->  LWR_MAC: Received EVENT[%d] at STATE[%d]", lwrMacCb.event, \
         lwrMacCb.phyState);
 
    cellId = (uint16_t *)msg;
@@ -1890,138 +2017,189 @@ uint8_t lwr_mac_procConfigReqEvt(void *msg)
    lwrMacCb.cellCb[lwrMacCb.numCell].phyCellId = macCfgParams.phyCellId; 
    lwrMacCb.numCell++;
 
+   /* Allocte And fill Vendor msg */
+   LWR_MAC_ALLOC(vendorMsgQElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_vendor_msg_t)));  
+   if(!vendorMsgQElem)
+   {
+      DU_LOG("\nERROR  -->  LWR_MAC: Memory allocation failed for vendor msg in config req");
+      return RFAILED;
+   }
+   FILL_FAPI_LIST_ELEM(vendorMsgQElem, NULLP, FAPI_VENDOR_MESSAGE, 1, sizeof(fapi_vendor_msg_t)); 
+   vendorMsg = (fapi_vendor_msg_t *)(vendorMsgQElem + 1);
+   fillMsgHeader(&vendorMsg->header, FAPI_VENDOR_MESSAGE, sizeof(fapi_vendor_msg_t));
+   vendorMsg->config_req_vendor.hopping_id = 0;
+   vendorMsg->config_req_vendor.carrier_aggregation_level = 0;
+   vendorMsg->config_req_vendor.group_hop_flag = 0;
+   vendorMsg->config_req_vendor.sequence_hop_flag = 0;
+   vendorMsg->start_req_vendor.sfn = 0;
+   vendorMsg->start_req_vendor.slot = 0;
+   vendorMsg->start_req_vendor.mode = 4;
+#ifdef DEBUG_MODE
+   vendorMsg->start_req_vendor.count = 0;
+   vendorMsg->start_req_vendor.period = 1;
+#endif
    /* Fill FAPI config req */
-   LWR_MAC_ALLOC(configReq, sizeof(fapi_config_req_t));
-   if(configReq != NULL)
+   LWR_MAC_ALLOC(cfgReqQElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_config_req_t)));
+   if(!cfgReqQElem)
    {
-      memset(configReq, 0, sizeof(fapi_config_req_t));
-      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);
-      }
-      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_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);
-
-      /* 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);
-
-      /* 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_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);
-      if(macCfgParams.prachCfg.fdm[0].numUnusedRootSeq)
+      DU_LOG("\nERROR  -->  LWR_MAC: Memory allocation failed for config req");
+      LWR_MAC_ALLOC(vendorMsgQElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_vendor_msg_t)));
+      return RFAILED;
+   }
+   FILL_FAPI_LIST_ELEM(cfgReqQElem, vendorMsgQElem, FAPI_CONFIG_REQUEST, 1, \
+      sizeof(fapi_config_req_t));
+
+   configReq = (fapi_config_req_t *)(cfgReqQElem + 1);
+   memset(configReq, 0, sizeof(fapi_config_req_t));
+   fillMsgHeader(&configReq->header, FAPI_CONFIG_REQUEST, sizeof(fapi_config_req_t));
+   configReq->number_of_tlvs = 25;
+   msgLen = sizeof(configReq->number_of_tlvs);
+
+   if(macCfgParams.dlCarrCfg.pres)
+   {
+      fillTlvs(&configReq->tlvs[index++], FAPI_DL_BANDWIDTH_TAG,           \
+         sizeof(uint32_t), macCfgParams.dlCarrCfg.bw, &msgLen);
+      fillTlvs(&configReq->tlvs[index++], FAPI_DL_FREQUENCY_TAG,           \
+         sizeof(uint32_t), macCfgParams.dlCarrCfg.freq, &msgLen);
+      /* Due to bug in Intel FT code, commenting TLVs that are are not 
+       * needed to avoid error. Must be uncommented when FT bug is fixed */
+      //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(uint32_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);
+
+   /* 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);
+
+   /* 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);
+
+   /* 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_NUM_PRACH_FD_OCCASIONS_TAG,
+        sizeof(uint8_t), macCfgParams.prachCfg.msg1Fdm, &msgLen);
+   fillTlvs(&configReq->tlvs[index++], FAPI_PRACH_CONFIG_INDEX_TAG,
+        sizeof(uint8_t), macCfgParams.prachCfg.prachCfgIdx, &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);
+      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;
+      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);
+
+   setMibPdu(macCfgParams.ssbCfg.mibPdu, &mib, 0);
+   fillTlvs(&configReq->tlvs[index++], FAPI_MIB_TAG ,                      \
+        sizeof(uint32_t), mib, &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);
+
+#ifdef NR_TDD
+   /* fill TDD table */
+   fillTlvs(&configReq->tlvs[index++], FAPI_TDD_PERIOD_TAG,                \
+   sizeof(uint8_t), macCfgParams.tddCfg.tddPeriod, &msgLen);
+   for(slotIdx =0 ;slotIdx< MAX_TDD_PERIODICITY_SLOTS; slotIdx++) 
+   {
+      for(symbolIdx = 0; symbolIdx< MAX_SYMB_PER_SLOT; symbolIdx++)
+      {
+        fillTlvs(&configReq->tlvs[index++], FAPI_SLOT_CONFIG_TAG,               \
+              sizeof(uint8_t), macCfgParams.tddCfg.slotCfg[slotIdx][symbolIdx], &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);
-
-      /* 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);
-
-      /* 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);
-
-      /* fill measurement config */
-      fillTlvs(&configReq->tlvs[index++], FAPI_RSSI_MEASUREMENT_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,                  \
-           (sizeof(fapi_config_req_t) - sizeof(fapi_msg_t)));
-
-      DU_LOG("\nLWR_MAC: Sending Config Request to Phy");
-      LwrMacSendToPhy(configReq->header.msg_id, sizeof(fapi_config_req_t), (void *)configReq);
    }
-   else
+#endif   
+   
+   /* fill measurement config */
+   //fillTlvs(&configReq->tlvs[index++], FAPI_RSSI_MEASUREMENT_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);
+
+   /* Fill message header */
+   LWR_MAC_ALLOC(headerElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_msg_header_t)));
+   if(!headerElem)
    {
-      DU_LOG("\nLWR_MAC: Failed to allocate memory for config Request");
+      DU_LOG("\nERROR  -->  LWR_MAC: Memory allocation failed for vendor msg in config req");
+      LWR_MAC_ALLOC(cfgReqQElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_config_req_t)));
+      LWR_MAC_ALLOC(vendorMsgQElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_vendor_msg_t)));
       return RFAILED;
    }
+   FILL_FAPI_LIST_ELEM(headerElem, cfgReqQElem, FAPI_VENDOR_MSG_HEADER_IND, 1, \
+        sizeof(fapi_msg_header_t));
+   msgHeader = (fapi_msg_header_t *)(headerElem + 1);
+   msgHeader->num_msg = 2; /* Config req msg and vendor specific msg */
+   msgHeader->handle = 0;
+
+   DU_LOG("\nDEBUG  -->  LWR_MAC: Sending Config Request to Phy");
+   LwrMacSendToL1(headerElem);
 #endif
 
    return ROK;
@@ -2050,14 +2228,14 @@ uint8_t lwr_mac_procConfigRspEvt(void *msg)
    fapi_config_resp_t *configRsp;
    configRsp = (fapi_config_resp_t *)msg;
 
-   DU_LOG("\nLWR_MAC: Received EVENT[%d] at STATE[%d]", lwrMacCb.event, \
+   DU_LOG("\nINFO  -->  LWR_MAC: Received EVENT[%d] at STATE[%d]", lwrMacCb.event, \
         lwrMacCb.phyState);
 
    if(configRsp != NULL)
    {
       if(configRsp->error_code == MSG_OK)
       {
-        DU_LOG("\nLWR_MAC: PHY has moved to Configured state \n");
+        DU_LOG("\nDEBUG  -->  LWR_MAC: PHY has moved to Configured state \n");
         lwrMacCb.phyState = PHY_STATE_CONFIGURED;
         lwrMacCb.cellCb[0].state = PHY_STATE_CONFIGURED;
         /* TODO : 
@@ -2068,13 +2246,13 @@ uint8_t lwr_mac_procConfigRspEvt(void *msg)
       }
       else
       {
-        DU_LOG("\n LWR_MAC: Invalid error code %d", configRsp->error_code);
+        DU_LOG("\nERROR  -->  LWR_MAC: Invalid error code %d", configRsp->error_code);
         return RFAILED;
       }
    }
    else
    {
-      DU_LOG("\nLWR_MAC: Config Response received from PHY is NULL");
+      DU_LOG("\nERROR  -->  LWR_MAC: Config Response received from PHY is NULL");
       return RFAILED;
    }
 #endif
@@ -2101,24 +2279,64 @@ uint8_t lwr_mac_procConfigRspEvt(void *msg)
 uint8_t lwr_mac_procStartReqEvt(void *msg)
 {
 #ifdef INTEL_FAPI
-   uint32_t msgLen = 0;
+   fapi_msg_header_t *msgHeader;
    fapi_start_req_t *startReq;
+   fapi_vendor_msg_t *vendorMsg;
+   p_fapi_api_queue_elem_t  headerElem;
+   p_fapi_api_queue_elem_t  startReqElem;
+   p_fapi_api_queue_elem_t  vendorMsgElem;
 
-   LWR_MAC_ALLOC(startReq, sizeof(fapi_start_req_t));
-   if(startReq != NULL)
+   /* Allocte And fill Vendor msg */
+   LWR_MAC_ALLOC(vendorMsgElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_vendor_msg_t)));
+   if(!vendorMsgElem)
    {
-      memset(startReq, 0, sizeof(fapi_start_req_t));
-      fillMsgHeader(&startReq->header, FAPI_START_REQUEST, msgLen);
+      DU_LOG("\nERROR  -->  LWR_MAC: Memory allocation failed for vendor msg in start req");
+      return RFAILED;
+   }
+   FILL_FAPI_LIST_ELEM(vendorMsgElem, NULLP, FAPI_VENDOR_MESSAGE, 1, sizeof(fapi_vendor_msg_t));
+   vendorMsg = (fapi_vendor_msg_t *)(vendorMsgElem + 1);
+   fillMsgHeader(&vendorMsg->header, FAPI_VENDOR_MESSAGE, sizeof(fapi_vendor_msg_t));
+   vendorMsg->start_req_vendor.sfn = 0;
+   vendorMsg->start_req_vendor.slot = 0;
+   vendorMsg->start_req_vendor.mode = 4; /* for Radio mode */
+#ifdef DEBUG_MODE
+   vendorMsg->start_req_vendor.count = 0;
+   vendorMsg->start_req_vendor.period = 1;
+#endif
 
-      DU_LOG("\nLWR_MAC: Sending Start Request to PHY");
-      LwrMacSendToPhy(startReq->header.msg_id, sizeof(fapi_start_req_t),\
-           (void *)startReq);
+   /* Fill FAPI config req */
+   LWR_MAC_ALLOC(startReqElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_start_req_t)));
+   if(!startReqElem)
+   {
+      DU_LOG("\nERROR  -->  LWR_MAC: Memory allocation failed for start req");
+      LWR_MAC_ALLOC(vendorMsgElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_vendor_msg_t)));
+      return RFAILED;
    }
-   else
+   FILL_FAPI_LIST_ELEM(startReqElem, vendorMsgElem, FAPI_START_REQUEST, 1, \
+      sizeof(fapi_start_req_t));
+
+   startReq = (fapi_start_req_t *)(startReqElem + 1);
+   memset(startReq, 0, sizeof(fapi_start_req_t));
+   fillMsgHeader(&startReq->header, FAPI_START_REQUEST, sizeof(fapi_start_req_t));
+
+   /* Fill message header */
+   LWR_MAC_ALLOC(headerElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_msg_header_t)));
+   if(!headerElem)
    {
-      DU_LOG("\nLWR_MAC: Failed to allocate memory for Start Request");
+      DU_LOG("\nERROR  -->  LWR_MAC: Memory allocation failed for vendor msg in config req");
+      LWR_MAC_ALLOC(startReqElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_start_req_t)));
+      LWR_MAC_ALLOC(vendorMsgElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_vendor_msg_t)));
       return RFAILED;
    }
+   FILL_FAPI_LIST_ELEM(headerElem, startReqElem, FAPI_VENDOR_MSG_HEADER_IND, 1, \
+      sizeof(fapi_msg_header_t));
+   msgHeader = (fapi_msg_header_t *)(headerElem + 1);
+   msgHeader->num_msg = 2; /* Start req msg and vendor specific msg */
+   msgHeader->handle = 0;
+
+   /* Send to PHY */
+   DU_LOG("\nDEBUG  -->  LWR_MAC: Sending Start Request to Phy");
+   LwrMacSendToL1(headerElem);
 #endif
    return ROK;
 } /* lwr_mac_procStartReqEvt */
@@ -2140,49 +2358,47 @@ uint8_t lwr_mac_procStartReqEvt(void *msg)
  *
  ********************************************************************/
 
-uint8_t lwr_mac_procStopReqEvt(void *msg)
+uint8_t lwr_mac_procStopReqEvt(SlotIndInfo slotInfo, p_fapi_api_queue_elem_t  prevElem)
 {
 #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)
+   fapi_stop_req_t   *stopReq;
+   fapi_vendor_msg_t *vendorMsg;
+   p_fapi_api_queue_elem_t  stopReqElem;
+   p_fapi_api_queue_elem_t  vendorMsgElem;
+
+   /* Allocte And fill Vendor msg */
+   LWR_MAC_ALLOC(vendorMsgElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_vendor_msg_t)));
+   if(!vendorMsgElem)
    {
-      memset(stopReq, 0, sizeof(fapi_stop_req_t));
-      fillMsgHeader(&stopReq->header, FAPI_STOP_REQUEST, msgLen);
-      DU_LOG("\nLOWER MAC: Sending Stop Request to PHY");
-      LwrMacSendToPhy(stopReq->header.msg_id, sizeof(fapi_stop_req_t), (void *)stopReq);
+      DU_LOG("\nERROR  -->  LWR_MAC: Memory allocation failed for vendor msg in stop req");
+      return RFAILED;
    }
-   else
+   FILL_FAPI_LIST_ELEM(vendorMsgElem, NULLP, FAPI_VENDOR_MESSAGE, 1, sizeof(fapi_vendor_msg_t));
+   vendorMsg = (fapi_vendor_msg_t *)(vendorMsgElem + 1);
+   fillMsgHeader(&vendorMsg->header, FAPI_VENDOR_MESSAGE, sizeof(fapi_vendor_msg_t));
+   vendorMsg->stop_req_vendor.sfn = slotInfo.sfn;
+   vendorMsg->stop_req_vendor.slot = slotInfo.slot;
+
+   /* Fill FAPI stop req */
+   LWR_MAC_ALLOC(stopReqElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_stop_req_t)));
+   if(!stopReqElem)
    {
-      DU_LOG("\nLOWER MAC: Failed to allocate memory for Stop Request");
+      DU_LOG("\nERROR  -->  LWR_MAC: Memory allocation failed for stop req");
+      LWR_MAC_FREE(vendorMsgElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_vendor_msg_t)));
       return RFAILED;
    }
-#endif
-   return ROK;
-}
+   FILL_FAPI_LIST_ELEM(stopReqElem, vendorMsgElem, FAPI_STOP_REQUEST, 1, \
+      sizeof(fapi_stop_req_t));
+   stopReq = (fapi_stop_req_t *)(stopReqElem + 1);
+   memset(stopReq, 0, sizeof(fapi_stop_req_t));
+   fillMsgHeader(&stopReq->header, FAPI_STOP_REQUEST, sizeof(fapi_stop_req_t));
 
-/*******************************************************************
- *
- * @brief Modifes the received mibPdu to uint32 bit
- *        and stores it in MacCellCfg
- *
- * @details
- *
- *    Function : setMibPdu
- *
- *    Functionality:
- *         -Sets the MibPdu
- *
- * @params[in] Pointer to mibPdu
- *             pointer to modified value
- ******************************************************************/
+   /* Send to PHY */
+   DU_LOG("\nINFO  -->  LWR_MAC: Sending Stop Request to Phy");
+   prevElem->p_next = stopReqElem;
 
-void setMibPdu(uint8_t *mibPdu, uint32_t *val, uint16_t sfn)
-{
-   *mibPdu |= (((uint8_t)(sfn >> 2)) & MIB_SFN_BITMASK);
-   *val = (mibPdu[0] << 24 | mibPdu[1] << 16 | mibPdu[2] << 8);
-   DU_LOG("\nLWR_MAC: MIB PDU %x", *val);
+#endif
+   return ROK;
 }
 
 #ifdef INTEL_FAPI
@@ -2256,24 +2472,24 @@ void fillSib1DlDciPdu(fapi_dl_dci_t *dlDciPtr, PdcchCfg *sib1PdcchInfo)
 {
    if(dlDciPtr != NULLP)
    {
-      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;
+      uint8_t numBytes=0;
+      uint8_t bytePos=0;
+      uint8_t bitPos=0;
+
+      uint16_t coreset0Size=0;
+      uint16_t rbStart=0;
+      uint16_t rbLen=0;
+      uint32_t freqDomResAssign=0;
+      uint32_t timeDomResAssign=0;
+      uint8_t  VRB2PRBMap=0;
+      uint32_t modNCodScheme=0;
+      uint8_t  redundancyVer=0;
+      uint32_t sysInfoInd=0;
+      uint32_t reserved=0;
 
       /* Size(in bits) of each field in DCI format 0_1 
        * as mentioned in spec 38.214 */
-      uint8_t freqDomResAssignSize;
+      uint8_t freqDomResAssignSize = 0;
       uint8_t timeDomResAssignSize = 4;
       uint8_t VRB2PRBMapSize       = 1;
       uint8_t modNCodSchemeSize    = 5;
@@ -2292,7 +2508,7 @@ void fillSib1DlDciPdu(fapi_dl_dci_t *dlDciPtr, PdcchCfg *sib1PdcchInfo)
       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;
+      dlDciPtr->powerControlOffsetSS = sib1PdcchInfo->dci.txPdcchPower.powerControlOffsetSS;
 
       /* Calculating freq domain resource allocation field value and size
        * coreset0Size = Size of coreset 0
@@ -2345,7 +2561,7 @@ void fillSib1DlDciPdu(fapi_dl_dci_t *dlDciPtr, PdcchCfg *sib1PdcchInfo)
 
       if(numBytes > FAPI_DCI_PAYLOAD_BYTE_LEN)
       {
-        DU_LOG("\nLWR_MAC : Total bytes for DCI is more than expected");
+        DU_LOG("\nERROR  -->  LWR_MAC : Total bytes for DCI is more than expected");
         return;
       }
 
@@ -2396,22 +2612,22 @@ void fillRarDlDciPdu(fapi_dl_dci_t *dlDciPtr, PdcchCfg *rarPdcchInfo)
 {
    if(dlDciPtr != NULLP)
    {
-      uint8_t numBytes;
-      uint8_t bytePos;
-      uint8_t bitPos;
+      uint8_t numBytes =0;
+      uint8_t bytePos =0;
+      uint8_t bitPos =0;
 
-      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;
+      uint16_t coreset0Size =0;
+      uint16_t rbStart =0;
+      uint16_t rbLen =0;
+      uint32_t freqDomResAssign =0;
+      uint8_t timeDomResAssign =0;
+      uint8_t  VRB2PRBMap =0;
+      uint8_t modNCodScheme =0;
+      uint8_t tbScaling =0;
+      uint32_t reserved =0;
 
       /* Size(in bits) of each field in DCI format 1_0 */
-      uint8_t freqDomResAssignSize;
+      uint8_t freqDomResAssignSize = 0;
       uint8_t timeDomResAssignSize = 4;
       uint8_t VRB2PRBMapSize       = 1;
       uint8_t modNCodSchemeSize    = 5;
@@ -2429,7 +2645,7 @@ void fillRarDlDciPdu(fapi_dl_dci_t *dlDciPtr, PdcchCfg *rarPdcchInfo)
       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;
+      dlDciPtr->powerControlOffsetSS = rarPdcchInfo->dci.txPdcchPower.powerControlOffsetSS;
 
       /* Calculating freq domain resource allocation field value and size
        * coreset0Size = Size of coreset 0
@@ -2479,7 +2695,7 @@ void fillRarDlDciPdu(fapi_dl_dci_t *dlDciPtr, PdcchCfg *rarPdcchInfo)
 
       if(numBytes > FAPI_DCI_PAYLOAD_BYTE_LEN)
       {
-        DU_LOG("\nLWR_MAC : Total bytes for DCI is more than expected");
+        DU_LOG("\nERROR  -->  LWR_MAC : Total bytes for DCI is more than expected");
         return;
       }
 
@@ -2572,7 +2788,7 @@ void fillDlMsgDlDciPdu(fapi_dl_dci_t *dlDciPtr, PdcchCfg *pdcchInfo,\
       dlDciPtr->pc_and_bform.pmi_bfi[0].pmIdx = pdcchInfo->dci.beamPdcchInfo.prg[0].pmIdx;
       dlDciPtr->pc_and_bform.pmi_bfi[0].beamIdx[0].beamidx = pdcchInfo->dci.beamPdcchInfo.prg[0].beamIdx[0];
       dlDciPtr->beta_pdcch_1_0 = pdcchInfo->dci.txPdcchPower.powerValue;
-      dlDciPtr->powerControlOfssetSS = pdcchInfo->dci.txPdcchPower.powerControlOffsetSS;
+      dlDciPtr->powerControlOffsetSS = pdcchInfo->dci.txPdcchPower.powerControlOffsetSS;
 
       /* Calculating freq domain resource allocation field value and size
        * coreset0Size = Size of coreset 0
@@ -2596,7 +2812,7 @@ void fillDlMsgDlDciPdu(fapi_dl_dci_t *dlDciPtr, PdcchCfg *pdcchInfo,\
       }
 
       /* Fetching DCI field values */
-      dciFormatId      = dlMsgInfo->dciFormatId;;     /* Always set to 1 for DL */
+      dciFormatId      = dlMsgInfo->dciFormatId;     /* Always set to 1 for DL */
       timeDomResAssign = pdcchInfo->dci.pdschCfg->pdschTimeAlloc.rowIndex -1;
       VRB2PRBMap       = pdcchInfo->dci.pdschCfg->pdschFreqAlloc.vrbPrbMapping;
       modNCodScheme    = pdcchInfo->dci.pdschCfg->codeword[0].mcsIndex;
@@ -2635,7 +2851,7 @@ void fillDlMsgDlDciPdu(fapi_dl_dci_t *dlDciPtr, PdcchCfg *pdcchInfo,\
 
       if(numBytes > FAPI_DCI_PAYLOAD_BYTE_LEN)
       {
-         DU_LOG("\nLWR_MAC : Total bytes for DCI is more than expected");
+         DU_LOG("\nERROR  -->  LWR_MAC : Total bytes for DCI is more than expected");
          return;
       }
 
@@ -2723,8 +2939,8 @@ uint8_t fillPdcchPdu(fapi_dl_tti_req_pdu_t *dlTtiReqPdu, DlSchedInfo *dlInfo, \
       }
       else
       {
-        DU_LOG("\nLWR_MAC: Failed filling PDCCH Pdu");
-        return RFAILED;;
+        DU_LOG("\nERROR  -->  LWR_MAC: Failed filling PDCCH Pdu");
+        return RFAILED;
       }
       dlTtiReqPdu->pduType = PDCCH_PDU_TYPE;
       dlTtiReqPdu->pdu.pdcch_pdu.bwpSize = bwp->freqAlloc.numPrb;
@@ -2737,12 +2953,11 @@ uint8_t fillPdcchPdu(fapi_dl_tti_req_pdu_t *dlTtiReqPdu, DlSchedInfo *dlInfo, \
       dlTtiReqPdu->pdu.pdcch_pdu.cceRegMappingType = pdcchInfo->coresetCfg.cceRegMappingType;
       dlTtiReqPdu->pdu.pdcch_pdu.regBundleSize = pdcchInfo->coresetCfg.regBundleSize;
       dlTtiReqPdu->pdu.pdcch_pdu.interleaverSize = pdcchInfo->coresetCfg.interleaverSize;
-      dlTtiReqPdu->pdu.pdcch_pdu.coreSetSize = pdcchInfo->coresetCfg.coreSetType;
       dlTtiReqPdu->pdu.pdcch_pdu.shiftIndex =  pdcchInfo->coresetCfg.shiftIndex;
       dlTtiReqPdu->pdu.pdcch_pdu.precoderGranularity = pdcchInfo->coresetCfg.precoderGranularity;
       dlTtiReqPdu->pdu.pdcch_pdu.numDlDci = pdcchInfo->numDlDci;
       dlTtiReqPdu->pdu.pdcch_pdu.coreSetType = coreSetType;
-
+                    
       /* Calculating PDU length. Considering only one dl dci pdu for now */
       dlTtiReqPdu->pduSize = sizeof(fapi_dl_pdcch_pdu_t);
    }
@@ -2929,35 +3144,45 @@ uint8_t calcTxDataReqPduCount(DlSchedInfo *dlInfo)
  * @return ROK
  *
  * ********************************************************************/
-uint8_t fillSib1TxDataReq(fapi_tx_pdu_desc_t *pduDesc,MacCellCfg *macCellCfg,
-      uint16_t pduIndex)
+uint8_t fillSib1TxDataReq(fapi_tx_pdu_desc_t *pduDesc, uint16_t pduIndex, MacCellCfg *macCellCfg,
+      PdschCfg pdschCfg)
 {
-   uint32_t pduLen = 0;
-   uint8_t *sib1TxdataValue = NULLP;
+   uint32_t payloadSize = 0;
+   uint8_t *sib1Payload = NULLP;
+   fapi_api_queue_elem_t *payloadElem = NULLP;
+#ifdef INTEL_WLS_MEM
+   void * wlsHdlr = NULLP;
+#endif
 
    pduDesc[pduIndex].pdu_index = pduIndex;
    pduDesc[pduIndex].num_tlvs = 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)
+   payloadSize = pdschCfg.codeword[0].tbSize;
+   pduDesc[pduIndex].tlvs[0].tl.tag = ((payloadSize & 0xff0000) >> 8) | FAPI_TX_DATA_PTR_TO_PAYLOAD_64;
+   pduDesc[pduIndex].tlvs[0].tl.length = (payloadSize & 0x0000ffff);
+   LWR_MAC_ALLOC(sib1Payload, payloadSize);
+   if(sib1Payload == NULLP)
    {
       return RFAILED;
    }
-   memcpy(sib1TxdataValue,macCellCfg->sib1Cfg.sib1Pdu,
-        macCellCfg->sib1Cfg.sib1PduLen);
-   pduDesc[pduIndex].tlvs[0].value = sib1TxdataValue;
+   payloadElem = (fapi_api_queue_elem_t *)sib1Payload;
+   FILL_FAPI_LIST_ELEM(payloadElem, NULLP, FAPI_VENDOR_MSG_PHY_ZBC_BLOCK_REQ, 1, \
+      macCellCfg->sib1Cfg.sib1PduLen);
+   memcpy(sib1Payload + TX_PAYLOAD_HDR_LEN, macCellCfg->sib1Cfg.sib1Pdu, macCellCfg->sib1Cfg.sib1PduLen);
 
-   /* 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_uint8_ptr_tlv_t); /* only 1 TLV is present */
-   pduDesc[pduIndex].pdu_length = pduLen; 
+#ifdef INTEL_WLS_MEM
+   mtGetWlsHdl(&wlsHdlr);
+   pduDesc[pduIndex].tlvs[0].value = WLS_VA2PA(wlsHdlr, sib1Payload);
+#else
+   pduDesc[pduIndex].tlvs[0].value = sib1Payload;
+#endif
+   pduDesc[pduIndex].pdu_length = payloadSize; 
 
-#ifndef INTEL_WLS   
-   MAC_FREE(sib1TxdataValue,macCellCfg->sib1Cfg.sib1PduLen);
+#ifdef INTEL_WLS_MEM   
+   addWlsBlockToFree(sib1Payload, payloadSize, (lwrMacCb.phySlotIndCntr-1));
+#else
+   LWR_MAC_FREE(sib1Payload, payloadSize);
 #endif
 
    return ROK;
@@ -2981,39 +3206,44 @@ uint8_t fillSib1TxDataReq(fapi_tx_pdu_desc_t *pduDesc,MacCellCfg *macCellCfg,
  * @return ROK
  *
  * ********************************************************************/
-uint8_t fillRarTxDataReq(fapi_tx_pdu_desc_t *pduDesc, RarInfo *rarInfo,
-      uint16_t pduIndex)
+uint8_t fillRarTxDataReq(fapi_tx_pdu_desc_t *pduDesc, uint16_t pduIndex, RarInfo *rarInfo, PdschCfg pdschCfg)
 {
-   uint32_t pduLen = 0;
-   uint8_t *rarTxdataValue = NULLP;
+   uint16_t payloadSize;
+   uint8_t  *rarPayload = NULLP;
+   fapi_api_queue_elem_t *payloadElem = NULLP;
+#ifdef INTEL_WLS_MEM
+   void * wlsHdlr = NULLP;
+#endif
 
    pduDesc[pduIndex].pdu_index = pduIndex;
    pduDesc[pduIndex].num_tlvs = 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)
+   payloadSize = pdschCfg.codeword[0].tbSize;
+   pduDesc[pduIndex].tlvs[0].tl.tag = FAPI_TX_DATA_PTR_TO_PAYLOAD_64;
+   pduDesc[pduIndex].tlvs[0].tl.length = payloadSize;
+   LWR_MAC_ALLOC(rarPayload, payloadSize);
+   if(rarPayload == NULLP)
    {
       return RFAILED;
    }
-   memcpy(rarTxdataValue,rarInfo->rarPdu,rarInfo->rarPduLen);
-   pduDesc[pduIndex].tlvs[0].value = 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_uint8_ptr_tlv_t); /* only 1 TLV is present */
-   pduDesc[pduIndex].pdu_length = pduLen; 
+   payloadElem = (fapi_api_queue_elem_t *)rarPayload;
+   FILL_FAPI_LIST_ELEM(payloadElem, NULLP, FAPI_VENDOR_MSG_PHY_ZBC_BLOCK_REQ, 1, rarInfo->rarPduLen);
+   memcpy(rarPayload + TX_PAYLOAD_HDR_LEN, rarInfo->rarPdu, rarInfo->rarPduLen);
 
-   /* 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);
+#ifdef INTEL_WLS_MEM
+   mtGetWlsHdl(&wlsHdlr);
+   pduDesc[pduIndex].tlvs[0].value = WLS_VA2PA(wlsHdlr, rarPayload);
+#else
+   pduDesc[pduIndex].tlvs[0].value = rarPayload;
 #endif
+   pduDesc[pduIndex].pdu_length = payloadSize;
 
+#ifdef INTEL_WLS_MEM
+   addWlsBlockToFree(rarPayload, payloadSize, (lwrMacCb.phySlotIndCntr-1));
+#else
+   LWR_MAC_FREE(rarPayload, payloadSize);
+#endif
    return ROK;
 }
 
@@ -3035,44 +3265,49 @@ uint8_t fillRarTxDataReq(fapi_tx_pdu_desc_t *pduDesc, RarInfo *rarInfo,
  * @return ROK
  *
  * ********************************************************************/
-uint8_t fillDlMsgTxDataReq(fapi_tx_pdu_desc_t *pduDesc, DlMsgInfo *dlMsgInfo,
-      uint16_t pduIndex)
+uint8_t fillDlMsgTxDataReq(fapi_tx_pdu_desc_t *pduDesc, uint16_t pduIndex, DlMsgInfo *dlMsgInfo, PdschCfg pdschCfg)
 {
-   uint32_t pduLen = 0;
-   uint8_t *dedMsgTxDataValue = NULLP;
+   uint16_t payloadSize;
+   uint8_t  *dlMsgPayload = NULLP;
+   fapi_api_queue_elem_t *payloadElem = NULLP;
+#ifdef INTEL_WLS_MEM
+   void * wlsHdlr = NULLP;
+#endif
 
    pduDesc[pduIndex].pdu_index = pduIndex;
    pduDesc[pduIndex].num_tlvs = 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 = dlMsgInfo->dlMsgPduLen;
-   LWR_MAC_ALLOC(dedMsgTxDataValue, dlMsgInfo->dlMsgPduLen);
-   if(dedMsgTxDataValue == NULLP)
+   payloadSize = pdschCfg.codeword[0].tbSize;
+   pduDesc[pduIndex].tlvs[0].tl.tag = FAPI_TX_DATA_PTR_TO_PAYLOAD_64;
+   pduDesc[pduIndex].tlvs[0].tl.length = payloadSize;
+   LWR_MAC_ALLOC(dlMsgPayload, payloadSize);
+   if(dlMsgPayload == NULLP)
    {
       return RFAILED;
    }
-   memcpy(dedMsgTxDataValue, dlMsgInfo->dlMsgPdu, dlMsgInfo->dlMsgPduLen);
-   pduDesc[pduIndex].tlvs[0].value = dedMsgTxDataValue;
+   payloadElem = (fapi_api_queue_elem_t *)dlMsgPayload;
+   FILL_FAPI_LIST_ELEM(payloadElem, NULLP, FAPI_VENDOR_MSG_PHY_ZBC_BLOCK_REQ, 1, dlMsgInfo->dlMsgPduLen);
+   memcpy(dlMsgPayload + TX_PAYLOAD_HDR_LEN, dlMsgInfo->dlMsgPdu, dlMsgInfo->dlMsgPduLen);
 
-   /* 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_uint8_ptr_tlv_t); /* only 1 TLV is present */
-   pduDesc[pduIndex].pdu_length = 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(dedMsgTxDataValue, dlMsgInfo->dlMsgPduLen);
+#ifdef INTEL_WLS_MEM
+   mtGetWlsHdl(&wlsHdlr);
+   pduDesc[pduIndex].tlvs[0].value = WLS_VA2PA(wlsHdlr, dlMsgPayload);
+#else
+   pduDesc[pduIndex].tlvs[0].value = dlMsgPayload;
 #endif
+   pduDesc[pduIndex].pdu_length = payloadSize;
 
+#ifdef INTEL_WLS_MEM
+   addWlsBlockToFree(dlMsgPayload, payloadSize, (lwrMacCb.phySlotIndCntr-1));
+#else
+   LWR_MAC_FREE(dlMsgPayload, payloadSize);
+#endif
    return ROK;
 }
 
-
 #endif /* FAPI */
+
 /*******************************************************************
  *
  * @brief Sends DL TTI Request to PHY
@@ -3092,165 +3327,219 @@ uint8_t fillDlMsgTxDataReq(fapi_tx_pdu_desc_t *pduDesc, DlMsgInfo *dlMsgInfo,
 uint16_t fillDlTtiReq(SlotIndInfo currTimingInfo)
 {
 #ifdef INTEL_FAPI
-   uint8_t idx;
+   uint8_t idx =0;
    uint8_t nPdu = 0;
    uint8_t numPduEncoded = 0;
-   uint16_t cellIdx;
+   uint16_t cellIdx =0;
    uint16_t pduIndex = 0;
-   uint32_t msgLen = 0;
 
-   fapi_dl_tti_req_t *dlTtiReq = NULLP;
    SlotIndInfo dlTtiReqTimingInfo;
-
    MacDlSlot *currDlSlot = NULLP;
    MacCellCfg macCellCfg;
-   memset(&macCellCfg, 0, sizeof(MacCellCfg));
    RntiType rntiType;
+   fapi_dl_tti_req_t *dlTtiReq = NULLP;
+   fapi_msg_header_t *msgHeader = NULLP;
+   p_fapi_api_queue_elem_t dlTtiElem;
+   p_fapi_api_queue_elem_t headerElem;
+   p_fapi_api_queue_elem_t prevElem;
 
    if(lwrMacCb.phyState == PHY_STATE_RUNNING)
    {
       GET_CELL_IDX(currTimingInfo.cellId, cellIdx);
       /* consider phy delay */
-      ADD_DELTA_TO_TIME(currTimingInfo,dlTtiReqTimingInfo,PHY_DELTA);
+      ADD_DELTA_TO_TIME(currTimingInfo,dlTtiReqTimingInfo,PHY_DELTA_DL);
+      dlTtiReqTimingInfo.cellId = currTimingInfo.cellId;
 
       macCellCfg = macCb.macCell[cellIdx]->macCellCfg;
 
       currDlSlot = &macCb.macCell[cellIdx]->dlSlot[dlTtiReqTimingInfo.slot]; 
-      nPdu = calcDlTtiReqPduCount(&currDlSlot->dlInfo);
-      LWR_MAC_ALLOC(dlTtiReq, sizeof(fapi_dl_tti_req_t));
-      if(dlTtiReq != NULLP)
+
+      LWR_MAC_ALLOC(dlTtiElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_dl_tti_req_t)));
+      if(dlTtiElem)
       {
-        memset(dlTtiReq, 0, sizeof(fapi_dl_tti_req_t));
-        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)
-        {
-           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, 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,\
-                          rntiType, CORESET_TYPE0);
-                    numPduEncoded++;
-                    fillPdschPdu(&dlTtiReq->pdus[numPduEncoded],
-                          &currDlSlot->dlInfo.brdcstAlloc.sib1Alloc.sib1PdschCfg,
-                          currDlSlot->dlInfo.brdcstAlloc.sib1Alloc.bwp,
-                          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, rntiType, CORESET_TYPE0);
-              numPduEncoded++;
-              fillPdschPdu(&dlTtiReq->pdus[numPduEncoded],
-                    &currDlSlot->dlInfo.rarAlloc->rarPdschCfg,
-                    currDlSlot->dlInfo.rarAlloc->bwp,
-                    pduIndex);
-              numPduEncoded++;
-              pduIndex++;
-
-              printf("\033[1;32m");
-              DU_LOG("\nLWR_MAC: RAR sent...");
-              printf("\033[0m");
-           }
-           if(currDlSlot->dlInfo.dlMsgAlloc != NULLP)
-           {
-              if(currDlSlot->dlInfo.dlMsgAlloc->dlMsgInfo.dlMsgPdu != NULLP)
-              {
-                 /* Filling Msg4 param */
-                 printf("\033[1;32m");
-                 if(currDlSlot->dlInfo.dlMsgAlloc->dlMsgInfo.isMsg4Pdu)
-                 {
-                    rntiType = TC_RNTI_TYPE;
-                    fillPdcchPdu(&dlTtiReq->pdus[numPduEncoded], \
-                          &currDlSlot->dlInfo, rntiType, CORESET_TYPE0);
-                    DU_LOG("\nLWR_MAC: MSG4 sent...");
-                 }
-                 else
-                 { 
-                    /* Filling other DL msg params */
-                    rntiType = C_RNTI_TYPE;
-                    fillPdcchPdu(&dlTtiReq->pdus[numPduEncoded], \
-                          &currDlSlot->dlInfo, rntiType, CORESET_TYPE1);
-                    DU_LOG("\nLWR_MAC: DL MSG sent...");
+         FILL_FAPI_LIST_ELEM(dlTtiElem, NULLP, FAPI_DL_TTI_REQUEST, 1, \
+               sizeof(fapi_dl_tti_req_t));
+
+         /* Fill message header */
+         LWR_MAC_ALLOC(headerElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_msg_header_t)));
+         if(!headerElem)
+         {
+            DU_LOG("\nERROR  -->  LWR_MAC: Memory allocation failed for header in DL TTI req");
+            LWR_MAC_FREE(dlTtiElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_dl_tti_req_t)));
+            return RFAILED;
+         }
+         FILL_FAPI_LIST_ELEM(headerElem, dlTtiElem, FAPI_VENDOR_MSG_HEADER_IND, 1, \
+               sizeof(fapi_msg_header_t));
+         msgHeader = (fapi_msg_header_t *)(headerElem + 1);
+         msgHeader->num_msg = 1;
+         msgHeader->handle = 0;
+
+         /* Fill Dl TTI Request */
+         dlTtiReq = (fapi_dl_tti_req_t *)(dlTtiElem +1);
+         memset(dlTtiReq, 0, sizeof(fapi_dl_tti_req_t));
+         fillMsgHeader(&dlTtiReq->header, FAPI_DL_TTI_REQUEST, sizeof(fapi_dl_tti_req_t));
+
+         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)
+         {
+            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, idx, dlTtiReq->sfn);
+                        numPduEncoded++;
+                     }
                   }
-                 printf("\033[0m");
-
-                 numPduEncoded++;
-                 fillPdschPdu(&dlTtiReq->pdus[numPduEncoded],
-                       &currDlSlot->dlInfo.dlMsgAlloc->dlMsgPdschCfg,
-                       currDlSlot->dlInfo.dlMsgAlloc->bwp,
-                       pduIndex);
-                 numPduEncoded++;
-                 pduIndex++;
-              }
+                  DU_LOG("\033[1;31m");
+                  DU_LOG("\nDEBUG  -->  LWR_MAC: MIB sent..");
+                  DU_LOG("\033[0m");
+               }
+               if(currDlSlot->dlInfo.brdcstAlloc.sib1Trans)
+               {
+                  /* Filling SIB1 param */
+                  if(numPduEncoded != nPdu)
+                  {
+                     rntiType = SI_RNTI_TYPE;
+                     fillPdcchPdu(&dlTtiReq->pdus[numPduEncoded],&currDlSlot->dlInfo,\
+                           rntiType, CORESET_TYPE0);
+                     numPduEncoded++;
+                     fillPdschPdu(&dlTtiReq->pdus[numPduEncoded],
+                           &currDlSlot->dlInfo.brdcstAlloc.sib1Alloc.sib1PdschCfg,
+                           currDlSlot->dlInfo.brdcstAlloc.sib1Alloc.bwp,
+                           pduIndex);
+                     dlTtiReq->ue_grp_info[dlTtiReq->nGroup].pduIdx[pduIndex] = pduIndex;
+                     pduIndex++;
+                     numPduEncoded++;
+                  }
+
+                  DU_LOG("\033[1;34m");
+                  DU_LOG("\nDEBUG  -->  LWR_MAC: SIB1 sent...");
+                  DU_LOG("\033[0m");
+               }
+            }
+            if(currDlSlot->dlInfo.rarAlloc != NULLP)
+            {
+               /* Filling RAR param */
+               rntiType = RA_RNTI_TYPE;
+               fillPdcchPdu(&dlTtiReq->pdus[numPduEncoded], \
+                     &currDlSlot->dlInfo, rntiType, CORESET_TYPE0);
+               numPduEncoded++;
+               fillPdschPdu(&dlTtiReq->pdus[numPduEncoded],
+                     &currDlSlot->dlInfo.rarAlloc->rarPdschCfg,
+                     currDlSlot->dlInfo.rarAlloc->bwp,
+                     pduIndex);
+               numPduEncoded++;
+               pduIndex++;
+
+               DU_LOG("\033[1;32m");
+               DU_LOG("\nDEBUG  -->  LWR_MAC: RAR sent...");
+               DU_LOG("\033[0m");
+            }
+            if(currDlSlot->dlInfo.dlMsgAlloc != NULLP)
+            {
+               if(currDlSlot->dlInfo.dlMsgAlloc->dlMsgInfo.dlMsgPdu != NULLP)
+               {
+                  /* Filling Msg4 param */
+                  DU_LOG("\033[1;32m");
+                  if(currDlSlot->dlInfo.dlMsgAlloc->dlMsgInfo.isMsg4Pdu)
+                  {
+                     rntiType = TC_RNTI_TYPE;
+                     fillPdcchPdu(&dlTtiReq->pdus[numPduEncoded], \
+                           &currDlSlot->dlInfo, rntiType, CORESET_TYPE0);
+                     DU_LOG("\nDEBUG  -->  LWR_MAC: MSG4 sent...");
+                  }
+                  else
+                  { 
+                     /* Filling other DL msg params */
+                     rntiType = C_RNTI_TYPE;
+                     fillPdcchPdu(&dlTtiReq->pdus[numPduEncoded], \
+                           &currDlSlot->dlInfo, rntiType, CORESET_TYPE1);
+                     DU_LOG("\nDEBUG  -->  LWR_MAC: DL MSG sent...");
+                  }
+                  DU_LOG("\033[0m");
+
+                  numPduEncoded++;
+                  fillPdschPdu(&dlTtiReq->pdus[numPduEncoded],
+                        &currDlSlot->dlInfo.dlMsgAlloc->dlMsgPdschCfg,
+                        currDlSlot->dlInfo.dlMsgAlloc->bwp,
+                        pduIndex);
+                  numPduEncoded++;
+                  pduIndex++;
+               }
                else
-              {
+               {
                   MAC_FREE(currDlSlot->dlInfo.dlMsgAlloc, sizeof(DlMsgAlloc));
-                 currDlSlot->dlInfo.dlMsgAlloc = NULLP;
-              }
-           }
+                  currDlSlot->dlInfo.dlMsgAlloc = NULLP;
+               }
+            }
+
+            dlTtiReq->ue_grp_info[dlTtiReq->nGroup].nUe = MAX_NUM_UE_PER_TTI;
+            dlTtiReq->nGroup++;
 
-           msgLen = sizeof(fapi_dl_tti_req_t) - sizeof(fapi_msg_t);
-           fillMsgHeader(&dlTtiReq->header, FAPI_DL_TTI_REQUEST, msgLen);
 #ifdef ODU_SLOT_IND_DEBUG_LOG      
-           DU_LOG("\nLWR_MAC: Sending DL TTI Request");
+            DU_LOG("\nDEBUG  -->  LWR_MAC: Sending DL TTI Request");
 #endif     
-           LwrMacSendToPhy(dlTtiReq->header.msg_id, sizeof(fapi_dl_tti_req_t), \
-                 (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);
+            /* Intel L1 expects UL_TTI.request following DL_TTI.request */
+            fillUlTtiReq(currTimingInfo, dlTtiElem);
+            msgHeader->num_msg++;
+
+            /* Intel L1 expects UL_DCI.request following DL_TTI.request */
+            fillUlDciReq(currTimingInfo, dlTtiElem->p_next);
+            msgHeader->num_msg++;
+
+            /* send Tx-DATA req message */
+            sendTxDataReq(dlTtiReqTimingInfo, &currDlSlot->dlInfo, dlTtiElem->p_next->p_next);
+            if(dlTtiElem->p_next->p_next->p_next)
+            {
+               msgHeader->num_msg++;
+               prevElem = dlTtiElem->p_next->p_next->p_next;
+            }
+            else
+               prevElem = dlTtiElem->p_next->p_next;
+         }
+         else
+         {
 #ifdef ODU_SLOT_IND_DEBUG_LOG      
-           DU_LOG("\nLWR_MAC: Sending DL TTI Request");
+            DU_LOG("\nDEBUG  -->  LWR_MAC: Sending DL TTI Request");
 #endif     
-           LwrMacSendToPhy(dlTtiReq->header.msg_id, sizeof(fapi_dl_tti_req_t), (void *)dlTtiReq);
-        }
-        memset(currDlSlot, 0, sizeof(MacDlSlot));
-        return ROK;
+
+            /* Intel L1 expects UL_TTI.request following DL_TTI.request */
+            fillUlTtiReq(currTimingInfo, dlTtiElem);
+            msgHeader->num_msg++;
+
+            /* Intel L1 expects UL_DCI.request following DL_TTI.request */
+            fillUlDciReq(currTimingInfo, dlTtiElem->p_next);
+            msgHeader->num_msg++;
+
+            prevElem = dlTtiElem->p_next->p_next;
+         }
+
+         if(macCb.macCell[cellIdx]->state == CELL_TO_BE_STOPPED)
+         {
+            /* Intel L1 expects UL_DCI.request following DL_TTI.request */
+            lwr_mac_procStopReqEvt(currTimingInfo, prevElem);
+            msgHeader->num_msg++;
+            macCb.macCell[cellIdx]->state = CELL_STOP_IN_PROGRESS;
+         }
+         LwrMacSendToL1(headerElem);
+         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;
+         DU_LOG("\nERROR  -->  LWR_MAC: Failed to allocate memory for DL TTI Request");
+         memset(currDlSlot, 0, sizeof(MacDlSlot));
+         return RFAILED;
       }
    }
    else
@@ -3278,15 +3567,14 @@ uint16_t fillDlTtiReq(SlotIndInfo currTimingInfo)
  *         RFAILED - failure
  *
  * ****************************************************************/
-uint16_t sendTxDataReq(SlotIndInfo currTimingInfo, DlSchedInfo *dlInfo)
+uint16_t sendTxDataReq(SlotIndInfo currTimingInfo, DlSchedInfo *dlInfo, p_fapi_api_queue_elem_t prevElem)
 {
 #ifdef INTEL_FAPI
    uint8_t nPdu = 0;
    uint16_t cellIdx;
-   uint32_t msgLen = 0;
    uint16_t pduIndex = 0;
-   uint32_t txDataReqMsgSize = 0;
-   fapi_tx_data_req_t *txDataReq = NULLP;
+   fapi_tx_data_req_t       *txDataReq =NULLP;
+   p_fapi_api_queue_elem_t  txDataElem = 0;
 
    GET_CELL_IDX(currTimingInfo.cellId, cellIdx);
 
@@ -3294,40 +3582,32 @@ uint16_t sendTxDataReq(SlotIndInfo currTimingInfo, DlSchedInfo *dlInfo)
    nPdu = calcTxDataReqPduCount(dlInfo);
    if(nPdu > 0)
    {
-      txDataReqMsgSize = sizeof(fapi_tx_data_req_t);
-      if(dlInfo->brdcstAlloc.sib1Trans)
-      {
-        txDataReqMsgSize += macCb.macCell[cellIdx]->macCellCfg.sib1Cfg.sib1PduLen;
-      }
-      if(dlInfo->rarAlloc != NULLP)
+      LWR_MAC_ALLOC(txDataElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_tx_data_req_t)));
+      if(txDataElem == NULLP)
       {
-        txDataReqMsgSize += dlInfo->rarAlloc->rarInfo.rarPduLen;
-      }
-      if(dlInfo->dlMsgAlloc != NULLP)
-      {
-        txDataReqMsgSize += dlInfo->dlMsgAlloc->dlMsgInfo.dlMsgPduLen;
-      }
-
-      LWR_MAC_ALLOC(txDataReq, txDataReqMsgSize);
-      if(txDataReq == NULLP)
-      {
-        DU_LOG("\nLWR_MAC: Failed to allocate memory for TX data Request");
+        DU_LOG("\nERROR  -->  LWR_MAC: Failed to allocate memory for TX data Request");
         return RFAILED;
       }
 
-      memset(txDataReq, 0, txDataReqMsgSize);
+      FILL_FAPI_LIST_ELEM(txDataElem, NULLP, FAPI_TX_DATA_REQUEST, 1, \
+          sizeof(fapi_tx_data_req_t));
+      txDataReq = (fapi_tx_data_req_t *)(txDataElem +1);
+      memset(txDataReq, 0, sizeof(fapi_tx_data_req_t));
+      fillMsgHeader(&txDataReq->header, FAPI_TX_DATA_REQUEST, sizeof(fapi_tx_data_req_t));
+
       txDataReq->sfn  = currTimingInfo.sfn;
       txDataReq->slot = currTimingInfo.slot;
       if(dlInfo->brdcstAlloc.sib1Trans)
       {
-        fillSib1TxDataReq(txDataReq->pdu_desc,
-              &macCb.macCell[cellIdx]->macCellCfg, pduIndex);
+        fillSib1TxDataReq(txDataReq->pdu_desc, pduIndex, &macCb.macCell[cellIdx]->macCellCfg, \
+           dlInfo->brdcstAlloc.sib1Alloc.sib1PdschCfg);
         pduIndex++;
         txDataReq->num_pdus++;
       }
       if(dlInfo->rarAlloc != NULLP)
       {
-        fillRarTxDataReq(txDataReq->pdu_desc, &dlInfo->rarAlloc->rarInfo, pduIndex);
+        fillRarTxDataReq(txDataReq->pdu_desc, pduIndex, &dlInfo->rarAlloc->rarInfo,\
+           dlInfo->rarAlloc->rarPdschCfg);
         pduIndex++;
         txDataReq->num_pdus++;
 
@@ -3336,8 +3616,8 @@ uint16_t sendTxDataReq(SlotIndInfo currTimingInfo, DlSchedInfo *dlInfo)
       }
       if(dlInfo->dlMsgAlloc != NULLP)
       {
-         fillDlMsgTxDataReq(txDataReq->pdu_desc, \
-           &dlInfo->dlMsgAlloc->dlMsgInfo, pduIndex);
+         fillDlMsgTxDataReq(txDataReq->pdu_desc, pduIndex, &dlInfo->dlMsgAlloc->dlMsgInfo,\
+           dlInfo->dlMsgAlloc->dlMsgPdschCfg);
          pduIndex++;
          txDataReq->num_pdus++;
 
@@ -3348,11 +3628,9 @@ uint16_t sendTxDataReq(SlotIndInfo currTimingInfo, DlSchedInfo *dlInfo)
          dlInfo->dlMsgAlloc = NULLP;
       }
 
-      msgLen = txDataReqMsgSize - sizeof(fapi_msg_t);
-      fillMsgHeader(&txDataReq->header, FAPI_TX_DATA_REQUEST, msgLen);
-      DU_LOG("\nLWR_MAC: Sending TX DATA Request");
-      LwrMacSendToPhy(txDataReq->header.msg_id, txDataReqMsgSize, \
-           (void *)txDataReq);
+      /* Fill message header */
+      DU_LOG("\nDEBUG  -->  LWR_MAC: Sending TX DATA Request");
+      prevElem->p_next = txDataElem;
    }
 #endif
    return ROK;
@@ -3476,6 +3754,21 @@ void fillPrachPdu(fapi_ul_tti_req_pdu_t *ulTtiReqPdu, MacCellCfg *macCellCfg, Ma
    }
 }
 
+/*******************************************************************
+ *
+ * @brief Filling PUSCH PDU in UL TTI Request
+ *
+ * @details
+ *
+ *    Function : fillPuschPdu
+ *
+ *    Functionality: Filling PUSCH PDU in UL TTI Request
+ *
+ * @params[in] 
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
 void fillPuschPdu(fapi_ul_tti_req_pdu_t *ulTtiReqPdu, MacCellCfg *macCellCfg, MacUlSlot *currUlSlot)
 {
    if(ulTtiReqPdu != NULLP)
@@ -3493,10 +3786,9 @@ void fillPuschPdu(fapi_ul_tti_req_pdu_t *ulTtiReqPdu, MacCellCfg *macCellCfg, Ma
       ulTtiReqPdu->pdu.pusch_pdu.cyclicPrefix = \
          macCellCfg->initialUlBwp.bwp.cyclicPrefix;
       ulTtiReqPdu->pdu.pusch_pdu.targetCodeRate = 308;
-      ulTtiReqPdu->pdu.pusch_pdu.qamModOrder = 2;
-      ulTtiReqPdu->pdu.pusch_pdu.mcsIndex = \
-         currUlSlot->ulInfo.schPuschInfo.tbInfo.mcs;
-      ulTtiReqPdu->pdu.pusch_pdu.mcsTable = 0;
+      ulTtiReqPdu->pdu.pusch_pdu.qamModOrder = currUlSlot->ulInfo.schPuschInfo.tbInfo.qamOrder;
+      ulTtiReqPdu->pdu.pusch_pdu.mcsIndex = currUlSlot->ulInfo.schPuschInfo.tbInfo.mcs;
+      ulTtiReqPdu->pdu.pusch_pdu.mcsTable = currUlSlot->ulInfo.schPuschInfo.tbInfo.mcsTable;
       ulTtiReqPdu->pdu.pusch_pdu.transformPrecoding = 1;
       ulTtiReqPdu->pdu.pusch_pdu.dataScramblingId = currUlSlot->ulInfo.cellId;
       ulTtiReqPdu->pdu.pusch_pdu.nrOfLayers = 1;
@@ -3541,6 +3833,21 @@ void fillPuschPdu(fapi_ul_tti_req_pdu_t *ulTtiReqPdu, MacCellCfg *macCellCfg, Ma
    }
 }
 
+/*******************************************************************
+ *
+ * @brief Fill PUCCH PDU in Ul TTI Request
+ *
+ * @details
+ *
+ *    Function : fillPucchPdu
+ *
+ *    Functionality: Fill PUCCH PDU in Ul TTI Request
+ *
+ * @params[in] 
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
 void fillPucchPdu(fapi_ul_tti_req_pdu_t *ulTtiReqPdu, MacCellCfg *macCellCfg,\
       MacUlSlot *currUlSlot)
 {
@@ -3557,22 +3864,25 @@ void fillPucchPdu(fapi_ul_tti_req_pdu_t *ulTtiReqPdu, MacCellCfg *macCellCfg,\
       ulTtiReqPdu->pdu.pucch_pdu.cyclicPrefix = macCellCfg->initialUlBwp.bwp.cyclicPrefix;
       ulTtiReqPdu->pdu.pucch_pdu.formatType   = currUlSlot->ulInfo.schPucchInfo.pucchFormat; /* Supporting PUCCH Format 0 */
       ulTtiReqPdu->pdu.pucch_pdu.multiSlotTxIndicator = 0; /* No Multi Slot transmission */
-      ulTtiReqPdu->pdu.pucch_pdu.pi2Bpsk              = 0; /* Disabled */
+      
       ulTtiReqPdu->pdu.pucch_pdu.prbStart     = currUlSlot->ulInfo.schPucchInfo.fdAlloc.startPrb;
       ulTtiReqPdu->pdu.pucch_pdu.prbSize      = currUlSlot->ulInfo.schPucchInfo.fdAlloc.numPrb;
       ulTtiReqPdu->pdu.pucch_pdu.startSymbolIndex = currUlSlot->ulInfo.schPucchInfo.tdAlloc.startSymb;
       ulTtiReqPdu->pdu.pucch_pdu.nrOfSymbols  = currUlSlot->ulInfo.schPucchInfo.tdAlloc.numSymb;
-      ulTtiReqPdu->pdu.pucch_pdu.freqHopFlag  = 0; /* Disabled */
-      ulTtiReqPdu->pdu.pucch_pdu.secondHopPrb = 0;
+      ulTtiReqPdu->pdu.pucch_pdu.freqHopFlag  = currUlSlot->ulInfo.schPucchInfo.intraFreqHop;
+      ulTtiReqPdu->pdu.pucch_pdu.secondHopPrb = currUlSlot->ulInfo.schPucchInfo.secondPrbHop;
       ulTtiReqPdu->pdu.pucch_pdu.groupHopFlag = 0;     
       ulTtiReqPdu->pdu.pucch_pdu.sequenceHopFlag = 0;
       ulTtiReqPdu->pdu.pucch_pdu.hoppingId    = 0;
-      ulTtiReqPdu->pdu.pucch_pdu.initialCyclicShift = 0;
+
+      ulTtiReqPdu->pdu.pucch_pdu.initialCyclicShift = currUlSlot->ulInfo.schPucchInfo.initialCyclicShift;
+
       ulTtiReqPdu->pdu.pucch_pdu.dataScramblingId = 0; /* Valid for Format 2, 3, 4 */
-      ulTtiReqPdu->pdu.pucch_pdu.timeDomainOccIdx = 0; /* Valid for Format 1 */
-      ulTtiReqPdu->pdu.pucch_pdu.preDftOccIdx     = 0; /* Valid for Format 4 */
-      ulTtiReqPdu->pdu.pucch_pdu.preDftOccLen     = 0; /* Valid for Format 4 */
-      ulTtiReqPdu->pdu.pucch_pdu.addDmrsFlag      = 0; /* Valid for Format 3, 4 */
+      ulTtiReqPdu->pdu.pucch_pdu.timeDomainOccIdx = currUlSlot->ulInfo.schPucchInfo.timeDomOCC; 
+      ulTtiReqPdu->pdu.pucch_pdu.preDftOccIdx = currUlSlot->ulInfo.schPucchInfo.occIdx; /* Valid for Format 4 only */
+      ulTtiReqPdu->pdu.pucch_pdu.preDftOccLen = currUlSlot->ulInfo.schPucchInfo.occLen; /* Valid for Format 4 only */
+      ulTtiReqPdu->pdu.pucch_pdu.pi2Bpsk = currUlSlot->ulInfo.schPucchInfo.cmnFormatCfg.pi2BPSK;
+      ulTtiReqPdu->pdu.pucch_pdu.addDmrsFlag = currUlSlot->ulInfo.schPucchInfo.cmnFormatCfg.addDmrs;/* Valid for Format 3, 4 only */
       ulTtiReqPdu->pdu.pucch_pdu.dmrsScramblingId = 0; /* Valid for Format 2 */
       ulTtiReqPdu->pdu.pucch_pdu.dmrsCyclicShift  = 0; /* Valid for Format 4 */
       ulTtiReqPdu->pdu.pucch_pdu.srFlag           = currUlSlot->ulInfo.schPucchInfo.srFlag;
@@ -3606,19 +3916,16 @@ void fillPucchPdu(fapi_ul_tti_req_pdu_t *ulTtiReqPdu, MacCellCfg *macCellCfg,\
  *         RFAILED - failure
  *
  ******************************************************************/
-uint16_t fillUlTtiReq(SlotIndInfo currTimingInfo)
+uint16_t fillUlTtiReq(SlotIndInfo currTimingInfo, p_fapi_api_queue_elem_t prevElem)
 {
 #ifdef INTEL_FAPI
-   uint16_t   cellIdx;
+   uint16_t   cellIdx =0;
    uint8_t    pduIdx = -1;
-   uint32_t   msgLen = 0;
-   uint32_t   msgSize = 0;
-
-   fapi_ul_tti_req_t *ulTtiReq = NULLP;
    SlotIndInfo ulTtiReqTimingInfo;
-
    MacUlSlot *currUlSlot = NULLP;
    MacCellCfg macCellCfg;
+   fapi_ul_tti_req_t *ulTtiReq = NULLP;
+   p_fapi_api_queue_elem_t ulTtiElem;
 
    if(lwrMacCb.phyState == PHY_STATE_RUNNING)
    {
@@ -3626,15 +3933,17 @@ uint16_t fillUlTtiReq(SlotIndInfo currTimingInfo)
       macCellCfg = macCb.macCell[cellIdx]->macCellCfg;
 
       /* add PHY delta */
-      ADD_DELTA_TO_TIME(currTimingInfo,ulTtiReqTimingInfo,PHY_DELTA);
-
-      currUlSlot = &macCb.macCell[cellIdx]->ulSlot[ulTtiReqTimingInfo.slot % MAX_SLOT_SUPPORTED];
-      msgSize = sizeof(fapi_ul_tti_req_t);
-      LWR_MAC_ALLOC(ulTtiReq, msgSize);
+      ADD_DELTA_TO_TIME(currTimingInfo,ulTtiReqTimingInfo,PHY_DELTA_UL);
+      currUlSlot = &macCb.macCell[cellIdx]->ulSlot[ulTtiReqTimingInfo.slot % MAX_SLOTS];
 
-      if(ulTtiReq != NULLP)
+      LWR_MAC_ALLOC(ulTtiElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_ul_tti_req_t)));
+      if(ulTtiElem)
       {
-        memset(ulTtiReq, 0, msgSize);
+         FILL_FAPI_LIST_ELEM(ulTtiElem, NULLP, FAPI_UL_TTI_REQUEST, 1, \
+           sizeof(fapi_ul_tti_req_t));
+        ulTtiReq = (fapi_ul_tti_req_t *)(ulTtiElem +1);
+        memset(ulTtiReq, 0, sizeof(fapi_ul_tti_req_t));
+        fillMsgHeader(&ulTtiReq->header, FAPI_UL_TTI_REQUEST, sizeof(fapi_ul_tti_req_t));
         ulTtiReq->sfn  = ulTtiReqTimingInfo.sfn;
         ulTtiReq->slot = ulTtiReqTimingInfo.slot;
         ulTtiReq->nPdus = getnPdus(ulTtiReq, currUlSlot);
@@ -3661,19 +3970,18 @@ uint16_t fillUlTtiReq(SlotIndInfo currTimingInfo)
               fillPucchPdu(&ulTtiReq->pdus[pduIdx], &macCellCfg, currUlSlot);
            }
         } 
-        msgLen = sizeof(fapi_ul_tti_req_t) - sizeof(fapi_msg_t);
-        fillMsgHeader(&ulTtiReq->header, FAPI_UL_TTI_REQUEST, msgLen);
+
 #ifdef ODU_SLOT_IND_DEBUG_LOG
-         DU_LOG("\nLWR_MAC: Sending UL TTI Request");
-#endif  
-        LwrMacSendToPhy(ulTtiReq->header.msg_id, msgSize, (void *)ulTtiReq);
+         DU_LOG("\nDEBUG  -->  LWR_MAC: Sending UL TTI Request");
+#endif
+        prevElem->p_next = ulTtiElem;
 
         memset(currUlSlot, 0, sizeof(MacUlSlot));
         return ROK;
       }
       else
       {
-        DU_LOG("\nLWR_MAC: Failed to allocate memory for UL TTI Request");
+        DU_LOG("\nERROR  -->  LWR_MAC: Failed to allocate memory for UL TTI Request");
         memset(currUlSlot, 0, sizeof(MacUlSlot));
         return RFAILED;
       }
@@ -3707,19 +4015,19 @@ void fillUlDciPdu(fapi_dl_dci_t *ulDciPtr, DciInfo *schDciInfo)
 {
    if(ulDciPtr != NULLP)
    {
-      uint8_t numBytes;
-      uint8_t bytePos;
-      uint8_t bitPos;
+      uint8_t numBytes =0;
+      uint8_t bytePos =0;
+      uint8_t bitPos =0;
 
-      uint8_t coreset1Size = 0;
+      uint8_t  coreset1Size = 0;
       uint16_t rbStart = 0;
       uint16_t rbLen = 0;
       uint8_t  dciFormatId = 0;
-      uint32_t freqDomResAssign;
-      uint8_t  timeDomResAssign;
-      uint8_t  freqHopFlag;
-      uint8_t  modNCodScheme;
-      uint8_t  ndi;
+      uint32_t freqDomResAssign =0;
+      uint8_t  timeDomResAssign =0;
+      uint8_t  freqHopFlag =0;
+      uint8_t  modNCodScheme =0;
+      uint8_t  ndi =0;
       uint8_t  redundancyVer = 0;
       uint8_t  harqProcessNum = 0;
       uint8_t  puschTpc = 0;
@@ -3748,7 +4056,7 @@ void fillUlDciPdu(fapi_dl_dci_t *ulDciPtr, DciInfo *schDciInfo)
       ulDciPtr->pc_and_bform.pmi_bfi[0].pmIdx = schDciInfo->dciInfo.beamPdcchInfo.prg[0].pmIdx;
       ulDciPtr->pc_and_bform.pmi_bfi[0].beamIdx[0].beamidx = schDciInfo->dciInfo.beamPdcchInfo.prg[0].beamIdx[0];
       ulDciPtr->beta_pdcch_1_0                = schDciInfo->dciInfo.txPdcchPower.powerValue;           
-      ulDciPtr->powerControlOfssetSS          = schDciInfo->dciInfo.txPdcchPower.powerControlOffsetSS;
+      ulDciPtr->powerControlOffsetSS          = schDciInfo->dciInfo.txPdcchPower.powerControlOffsetSS;
 
       /* Calculating freq domain resource allocation field value and size
        * coreset1Size = Size of coreset 1
@@ -3782,7 +4090,7 @@ void fillUlDciPdu(fapi_dl_dci_t *ulDciPtr, DciInfo *schDciInfo)
          harqProcessNum   = schDciInfo->format.format0_0.harqProcId; 
          puschTpc         = schDciInfo->format.format0_0.tpcCmd;
          ul_SlInd         = schDciInfo->format.format0_0.sUlCfgd;
-
+     
          /* Reversing bits in each DCI field */
          dciFormatId      = reverseBits(dciFormatId, dciFormatIdSize);
          freqDomResAssign = reverseBits(freqDomResAssign, freqDomResAssignSize);
@@ -3804,7 +4112,7 @@ void fillUlDciPdu(fapi_dl_dci_t *ulDciPtr, DciInfo *schDciInfo)
 
       if(numBytes > FAPI_DCI_PAYLOAD_BYTE_LEN)
       {
-         DU_LOG("\nLWR_MAC : Total bytes for DCI is more than expected");
+         DU_LOG("\nERROR  -->  LWR_MAC : Total bytes for DCI is more than expected");
          return;
       }
 
@@ -3872,7 +4180,6 @@ uint8_t fillUlDciPdcchPdu(fapi_dci_pdu_t *ulDciReqPdu, DlSchedInfo *dlInfo, uint
       ulDciReqPdu->pdcchPduConfig.cceRegMappingType = dlInfo->ulGrant->coresetCfg.cceRegMappingType;
       ulDciReqPdu->pdcchPduConfig.regBundleSize     = dlInfo->ulGrant->coresetCfg.regBundleSize;
       ulDciReqPdu->pdcchPduConfig.interleaverSize   = dlInfo->ulGrant->coresetCfg.interleaverSize;
-      ulDciReqPdu->pdcchPduConfig.coreSetSize       = dlInfo->ulGrant->coresetCfg.coreSetType;
       ulDciReqPdu->pdcchPduConfig.shiftIndex        = dlInfo->ulGrant->coresetCfg.shiftIndex;
       ulDciReqPdu->pdcchPduConfig.precoderGranularity = dlInfo->ulGrant->coresetCfg.precoderGranularity;
       ulDciReqPdu->pdcchPduConfig.numDlDci          = 1;
@@ -3900,34 +4207,35 @@ uint8_t fillUlDciPdcchPdu(fapi_dci_pdu_t *ulDciReqPdu, DlSchedInfo *dlInfo, uint
  *         RFAILED - failure
  *
  ******************************************************************/
-uint16_t fillUlDciReq(SlotIndInfo currTimingInfo)
+uint16_t fillUlDciReq(SlotIndInfo currTimingInfo, p_fapi_api_queue_elem_t prevElem)
 {
 #ifdef INTEL_FAPI
-   uint8_t cellIdx;
-   uint8_t  numPduEncoded = 0;
-   uint32_t msgLen  = 0;
-   uint32_t msgSize = 0;
-
-   fapi_ul_dci_req_t *ulDciReq = NULLP;
-   SlotIndInfo ulDciReqTimingInfo;
-
-   MacDlSlot *currDlSlot = NULLP;
+   uint8_t      cellIdx =0;
+   uint8_t      numPduEncoded = 0;
+   SlotIndInfo  ulDciReqTimingInfo ={0};
+   MacDlSlot    *currDlSlot = NULLP;
+   fapi_ul_dci_req_t        *ulDciReq =NULLP;
+   p_fapi_api_queue_elem_t  ulDciElem;
 
    if(lwrMacCb.phyState == PHY_STATE_RUNNING)
    {
       GET_CELL_IDX(currTimingInfo.cellId, cellIdx);
       memcpy(&ulDciReqTimingInfo, &currTimingInfo, sizeof(SlotIndInfo));
-      currDlSlot = &macCb.macCell[cellIdx]->dlSlot[ulDciReqTimingInfo.slot % MAX_SLOT_SUPPORTED];
+      currDlSlot = &macCb.macCell[cellIdx]->dlSlot[ulDciReqTimingInfo.slot % MAX_SLOTS];
 
-      if(currDlSlot->dlInfo.ulGrant != NULLP)
-      {
-         msgSize = sizeof(fapi_ul_dci_req_t);
-         LWR_MAC_ALLOC(ulDciReq, msgSize);
-         if(ulDciReq != NULLP)
+         LWR_MAC_ALLOC(ulDciElem, (sizeof(fapi_api_queue_elem_t) + sizeof(fapi_ul_dci_req_t)));
+         if(ulDciElem)
         {
-            memset(ulDciReq, 0, msgSize);
+           FILL_FAPI_LIST_ELEM(ulDciElem, NULLP, FAPI_UL_DCI_REQUEST, 1, \
+              sizeof(fapi_ul_dci_req_t));
+           ulDciReq = (fapi_ul_dci_req_t *)(ulDciElem +1);
+           memset(ulDciReq, 0, sizeof(fapi_ul_dci_req_t));
+           fillMsgHeader(&ulDciReq->header, FAPI_UL_DCI_REQUEST, sizeof(fapi_ul_dci_req_t));
+
             ulDciReq->sfn  = ulDciReqTimingInfo.sfn;
             ulDciReq->slot = ulDciReqTimingInfo.slot;
+          if(currDlSlot->dlInfo.ulGrant != NULLP)
+          {
             ulDciReq->numPdus = 1;  // No. of PDCCH PDUs
             if(ulDciReq->numPdus > 0)
             {
@@ -3937,19 +4245,12 @@ uint16_t fillUlDciReq(SlotIndInfo currTimingInfo)
               /* free UL GRANT at SCH */
               MAC_FREE(currDlSlot->dlInfo.ulGrant, sizeof(DciInfo));
               currDlSlot->dlInfo.ulGrant = NULLP;
-              /* send UL DCI to PHY */
-               msgLen = sizeof(fapi_ul_dci_req_t) - sizeof(fapi_msg_t);
-               fillMsgHeader(&ulDciReq->header, FAPI_UL_DCI_REQUEST, msgLen);
-               LwrMacSendToPhy(ulDciReq->header.msg_id, sizeof(fapi_ul_dci_req_t), (void *)ulDciReq);
             }
-
+#ifdef ODU_SLOT_IND_DEBUG_LOG
+              DU_LOG("\nDEBUG  -->  LWR_MAC: Sending UL DCI Request");
+#endif
         }
-         else
-         {
-            DU_LOG("\nLWR_MAC: Failed to allocate memory for UL DCI Request");
-            memset(currDlSlot, 0, sizeof(MacDlSlot));
-            return RFAILED;
-         }
+               prevElem->p_next = ulDciElem;
       }
    }
    else
@@ -3964,6 +4265,9 @@ lwrMacFsmHdlr fapiEvtHdlr[MAX_STATE][MAX_EVENT] =
 {
    {
       /* PHY_STATE_IDLE */
+#ifdef INTEL_TIMER_MODE 
+      lwr_mac_procIqSamplesReqEvt,
+#endif
       lwr_mac_procParamReqEvt,
       lwr_mac_procParamRspEvt,
       lwr_mac_procConfigReqEvt,
@@ -3973,6 +4277,9 @@ lwrMacFsmHdlr fapiEvtHdlr[MAX_STATE][MAX_EVENT] =
    },
    {
       /* PHY_STATE_CONFIGURED */
+#ifdef INTEL_TIMER_MODE
+      lwr_mac_procInvalidEvt,
+#endif
       lwr_mac_procParamReqEvt,
       lwr_mac_procParamRspEvt,
       lwr_mac_procConfigReqEvt,
@@ -3982,12 +4289,15 @@ lwrMacFsmHdlr fapiEvtHdlr[MAX_STATE][MAX_EVENT] =
    },
    {
       /* PHY_STATE_RUNNING */
+#ifdef INTEL_TIMER_MODE
+      lwr_mac_procInvalidEvt,
+#endif
       lwr_mac_procInvalidEvt,
       lwr_mac_procInvalidEvt,
       lwr_mac_procConfigReqEvt,
       lwr_mac_procConfigRspEvt,
       lwr_mac_procInvalidEvt,
-      lwr_mac_procStopReqEvt,
+      lwr_mac_procInvalidEvt,
    }
 };