Moving all common header file into common_def.h file
[o-du/l2.git] / src / phy_stub / l1_bdy1.c
index 79dc9c0..f357ddd 100644 (file)
 
 /*This file contains stub for PHY to handle messages to/from MAC CL */
 
-#include <stdint.h>
-
-#include "envdep.h"
-#include "gen.h"
-#include "ssi.h"
-
-#include "gen.x"
-#include "ssi.x"
-
+#include "common_def.h"
 #include "lwr_mac.h"
 #include "lwr_mac_phy.h"
-#ifdef FAPI
+#ifdef INTEL_FAPI
 #include "fapi.h"
 #endif
 #include "lphy_stub.h"
+#include "stdbool.h"
 #include "du_log.h"
 #include "rg.h"
 
 #define MAX_SLOT_VALUE   9
 #define MAX_SFN_VALUE    1023
+#define NR_PCI            1
 
 uint16_t sfnValue = 0;
 uint16_t slotValue = 0;
+bool     rachIndSent = false;
+
 EXTERN void phyToMac ARGS((uint16_t msgType, uint32_t msgLen,void *msg));
-#ifdef FAPI
+#ifdef INTEL_FAPI
 EXTERN void fillTlvs ARGS((fapi_uint16_tlv_t *tlv, uint16_t tag, uint16_t
 length, uint16_t value, uint32_t *msgLen));
 EXTERN void fillMsgHeader ARGS((fapi_msg_t *hdr, uint16_t msgType, uint16_t msgLen));
@@ -67,10 +63,17 @@ EXTERN void handlePhyMessages(uint16_t msgType, uint32_t msgSize, void *msg);
  * ****************************************************************/
 S16 l1BldAndSndParamRsp(void *msg)
 {
-#ifdef FAPI
+#ifdef INTEL_FAPI
    uint8_t index = 0;
    uint32_t msgLen = 0;
-       fapi_param_resp_t *fapiParamRsp = (fapi_param_resp_t *)msg;
+       fapi_param_resp_t *fapiParamRsp;
+       
+       MAC_ALLOC(fapiParamRsp, sizeof(fapi_param_resp_t));
+       if(!fapiParamRsp)
+       {
+          DU_LOG("PHY STUB: Memory allocation failed");
+               return RFAILED;
+       }
 
   /* Cell Params */
   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_RELEASE_CAPABILITY_TAG,                         sizeof(uint16_t), 1, &msgLen);
@@ -143,12 +146,13 @@ S16 l1BldAndSndParamRsp(void *msg)
   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_RSSI_MEASUREMENT_SUPPORT_TAG,                    sizeof(uint8_t), 0, &msgLen);
 
   fapiParamRsp->number_of_tlvs = index;
-  msgLen = msgLen + sizeof(fapi_param_resp_t);
-
+  msgLen += sizeof(fapi_param_resp_t) - sizeof(fapi_msg_t);
   fillMsgHeader(&fapiParamRsp->header, FAPI_PARAM_RESPONSE, msgLen);
   fapiParamRsp->error_code = MSG_OK;
+
   DU_LOG("\nPHY_STUB: Sending Param Request to Lower Mac");
   handlePhyMessages(fapiParamRsp->header.message_type_id, sizeof(fapi_param_resp_t), (void *)fapiParamRsp);
+  MAC_FREE(fapiParamRsp, sizeof(fapi_param_resp_t));
 #endif
   return ROK;
 }
@@ -172,25 +176,30 @@ S16 l1BldAndSndParamRsp(void *msg)
 
 S16 l1BldAndSndConfigRsp(void *msg)
 {
-#ifdef FAPI
+#ifdef INTEL_FAPI
    uint32_t msgLen = 0;
-   fapi_config_resp_t *fapiConfigRsp = (fapi_config_resp_t *)msg;
+   fapi_config_resp_t *fapiConfigRsp;
 
-   if(fapiConfigRsp != NULL)
+   MAC_ALLOC(fapiConfigRsp, sizeof(fapi_config_resp_t));
+   if(!fapiConfigRsp)
    {
-      fapiConfigRsp->number_of_invalid_tlvs = NULLP;
-      fapiConfigRsp->number_of_inv_tlvs_idle_only = NULLP;
-      fapiConfigRsp->number_of_missing_tlvs = NULLP;
-      fapiConfigRsp->error_code = MSG_OK;
-      msgLen += sizeof(fapi_config_resp_t);
-      fillMsgHeader(&fapiConfigRsp->header, FAPI_CONFIG_RESPONSE, msgLen);
-      DU_LOG("\nPHY_STUB: Sending Config Response to Lower Mac");
-      handlePhyMessages(fapiConfigRsp->header.message_type_id, sizeof(fapi_config_resp_t), (void *)fapiConfigRsp);
-      return ROK;
+      DU_LOG("PHY STUB: Memory allocation failed");
+      return RFAILED;
    }
-#else
-   return ROK;
+
+   fapiConfigRsp->number_of_invalid_tlvs = NULLP;
+   fapiConfigRsp->number_of_inv_tlvs_idle_only = NULLP;
+   fapiConfigRsp->number_of_missing_tlvs = NULLP;
+   fapiConfigRsp->error_code = MSG_OK;
+       msgLen += sizeof(fapi_param_resp_t) - sizeof(fapi_msg_t);
+   fillMsgHeader(&fapiConfigRsp->header, FAPI_CONFIG_RESPONSE, msgLen);
+
+   DU_LOG("\nPHY_STUB: Sending Config Response to Lower Mac");
+   handlePhyMessages(fapiConfigRsp->header.message_type_id, \
+          sizeof(fapi_config_resp_t), (void *)fapiConfigRsp);
+   MAC_FREE(fapiConfigRsp, sizeof(fapi_config_resp_t));
 #endif
+   return ROK;
 }
 /*******************************************************************
  *
@@ -212,12 +221,16 @@ S16 l1BldAndSndConfigRsp(void *msg)
 
 PUBLIC void l1HdlParamReq(uint32_t msgLen, void *msg)
 {
+#ifdef INTEL_FAPI
    DU_LOG("\nPHY_STUB: Received Param Request in PHY");
-   /* Handling PARAM RESPONSE */
+   /* Build and send PARAM RESPONSE */
    if(l1BldAndSndParamRsp(msg)!= ROK)
    {
       DU_LOG("\nPHY_STUB: Failed Sending Param Response");
    }
+       MAC_FREE(msg, sizeof(fapi_param_req_t));
+#endif
 } 
 
 /*******************************************************************
@@ -240,6 +253,9 @@ PUBLIC void l1HdlParamReq(uint32_t msgLen, void *msg)
 
 PUBLIC void l1HdlConfigReq(uint32_t msgLen, void *msg)
 {
+#ifdef INTEL_FAPI
+       fapi_config_req_t *configReq = (fapi_config_req_t *)msg;
+
    DU_LOG("\nPHY_STUB: Received Config Request in PHY");
 
    /* Handling CONFIG RESPONSE */
@@ -247,6 +263,213 @@ PUBLIC void l1HdlConfigReq(uint32_t msgLen, void *msg)
    {
       printf("\nPHY_STUB: Failed Sending config Response");
    }
+   
+       MAC_FREE(configReq, msgLen);
+#endif
+
+}
+
+/*******************************************************************
+ *
+ * @brief Build and Send CRC Indication
+ *
+ * @details
+ *
+ *    Function : l1BuildAndSendCrcInd
+ *
+ *    Functionality:
+ *      Build and Send CRC Indication
+ *
+ * @params[in] Slot
+ *             SFN 
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+uint16_t l1BuildAndSendCrcInd(uint16_t slot, uint16_t sfn)
+{
+#ifdef INTEL_FAPI
+   uint8_t idx = 0;
+   fapi_crc_ind_t  *crcInd;
+   
+   MAC_ALLOC(crcInd, sizeof(fapi_crc_ind_t));
+   if(!crcInd)
+   {
+      printf("\nPHY_STUB: Memory allocation failed for CRC Indication Message");
+      return RFAILED;
+   }
+
+   /* TODO: Fill the required values. As of now only 1 CRC status PASS is filled */
+   crcInd->sfn = sfn;
+   crcInd->slot = slot;
+   crcInd->numCrcs = 1;
+
+   crcInd->crc[idx].handle = 0;
+   crcInd->crc[idx].rnti = 0;
+   crcInd->crc[idx].harqId = 0;
+   crcInd->crc[idx].tbCrcStatus = 0;
+   crcInd->crc[idx].numCb = 1;
+   crcInd->crc[idx].cbCrcStatus[0] = 0;
+   crcInd->crc[idx].ul_cqi = 0;
+   crcInd->crc[idx].timingAdvance = 0;
+   crcInd->crc[idx].rssi = 0;
+
+   fillMsgHeader(&crcInd->header, FAPI_CRC_INDICATION, \
+      sizeof(fapi_crc_ind_t));
+
+   /* Sending RACH indication to MAC */
+   DU_LOG("\nPHY STUB: Sending CRC Indication to MAC");
+   handlePhyMessages(crcInd->header.message_type_id, sizeof(fapi_crc_ind_t), (void *)crcInd);
+   MAC_FREE(crcInd, sizeof(fapi_crc_ind_t));
+#endif
+   return ROK;
+} /* l1BuildAndSendCrcInd */
+
+#ifdef INTEL_FAPI
+/*******************************************************************
+ *
+ * @brief Build and send Rx data indication
+ *
+ * @details
+ *
+ *    Function : l1BuildAndSendRxDataInd
+ *
+ *    Functionality:
+ *       Build and send Rx data indication
+ *
+ * @params[in] SFN
+ *             Slot
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+uint16_t l1BuildAndSendRxDataInd(uint16_t slot, uint16_t sfn, fapi_ul_pusch_pdu_t puschPdu)
+{
+   uint8_t idx = 0;
+   fapi_rx_data_indication_t *rxDataInd;
+   fapi_pdu_ind_info_t       *pduInfo;
+   uint8_t  *pdu;
+       uint16_t byteIdx = 0;
+   MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
+   if(!rxDataInd)
+   {
+      printf("\nPHY_STUB: Memory allocation failed for Rx Data Indication");
+      return RFAILED;
+   }
+
+   /* TODO: Fill the required values */
+   rxDataInd->sfn = sfn;
+   rxDataInd->slot = slot;
+   rxDataInd->numPdus = 1;
+
+   pduInfo = &rxDataInd->pdus[idx];
+   pduInfo->handle = puschPdu.handle;
+   pduInfo->rnti = puschPdu.rnti;
+   pduInfo->harqId = puschPdu.puschData.harqProcessId;
+   pduInfo->pduLength = puschPdu.puschData.tbSize;
+   pduInfo->ul_cqi = 0;
+   pduInfo->timingAdvance = 0;
+   pduInfo->rssi = 0;
+
+   /* Filling pdu with random values for testing */
+   pduInfo->pduData = NULL;
+   MAC_ALLOC(pduInfo->pduData, pduInfo->pduLength);
+   if(!pduInfo->pduData)
+   {
+      printf("\nPHY_STUB: Memory allocation failed for Rx Data Pdu");
+      return RFAILED;
+   }
+   /* Harcoded Initial RRC setup Request */
+   pdu = (uint8_t *)pduInfo->pduData;
+   pdu[byteIdx++] = 0;
+   pdu[byteIdx++] = 181;
+   pdu[byteIdx++] = 99;
+   pdu[byteIdx++] = 20;
+   pdu[byteIdx++] = 170;
+   pdu[byteIdx++] = 132;
+   pdu[byteIdx++] = 96;
+
+       /* Harcoding the pad bytes */
+       pdu[byteIdx++] = 63;
+
+       for(; byteIdx < pduInfo->pduLength; byteIdx++)
+          pdu[byteIdx] = 0;
+
+   fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, \
+    sizeof(fapi_rx_data_indication_t));
+
+   /* Sending Rx data indication to MAC */
+   DU_LOG("\nPHY STUB: Sending Rx data Indication to MAC");
+   handlePhyMessages(rxDataInd->header.message_type_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
+
+   if(pduInfo->pduLength)
+      MAC_FREE(pduInfo->pduData, pduInfo->pduLength);
+   MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
+   return ROK;
+}
+#endif
+
+/*******************************************************************
+ *
+ * @brief Builds and Sends RACH indication to MAC 
+ *
+ * @details
+ *
+ *    Function : l1BuildAndSendRachInd 
+ *
+ *    Functionality:
+ *      Builds and Sends RACH indication to MAC
+ *
+ * @params[in] SFN value 
+ *             slot value
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+uint16_t l1BuildAndSendRachInd(uint16_t slot, uint16_t sfn)
+{
+#ifdef INTEL_FAPI
+   uint8_t   rachPduIdx = 0; 
+   uint8_t   preamIdx = 0;
+   fapi_rach_pdu_t  *rachPdu;
+   fapi_rach_indication_t  *rachInd;
+
+   /* Building RACH indication */
+       MAC_ALLOC(rachInd, sizeof(fapi_rach_indication_t));
+   if(!rachInd)
+   {
+      printf("\nPHY_STUB: Memory allocation failed for Rach Indication Message");
+      return RFAILED;
+   }
+   
+   rachInd->sfn = sfn;
+   rachInd->slot = slot;
+   rachInd->numPdus = 1;
+
+   rachPdu = &rachInd->rachPdu[rachPduIdx];
+   rachPdu->physCellId = NR_PCI;
+   rachPdu->symbolIndex = 0;
+   rachPdu->slotIndex = slot;
+   rachPdu->freqIndex = 0;
+   rachPdu->avgRssi = 0;
+   rachPdu->avgSnr = 0;
+   rachPdu->numPreamble = 1;
+
+   rachPdu->preambleInfo[preamIdx].preambleIndex = 3;
+   rachPdu->preambleInfo[preamIdx].timingAdvance = 0;
+   rachPdu->preambleInfo[preamIdx].premblePwr = 0;
+   
+   fillMsgHeader(&rachInd->header, FAPI_RACH_INDICATION, \
+      sizeof(fapi_rach_indication_t));
+
+   /* Sending RACH indication to MAC */
+   DU_LOG("\nPHY STUB: Sending RACH Indication to MAC");
+   handlePhyMessages(rachInd->header.message_type_id, sizeof(fapi_rach_indication_t), (void *)rachInd);
+   MAC_FREE(rachInd, sizeof(fapi_rach_indication_t));
+#endif
+   return ROK;
 }
 
 /*******************************************************************
@@ -255,7 +478,7 @@ PUBLIC void l1HdlConfigReq(uint32_t msgLen, void *msg)
  *
  * @details
  *
- *    Function : buildAndSendSlotIndication
+ *    Function : l1BuildAndSendSlotIndication
  *
  *    Functionality:
  *          -Send the Slot indication Message to MAC
@@ -266,19 +489,26 @@ PUBLIC void l1HdlConfigReq(uint32_t msgLen, void *msg)
  * @return void
  *
  * ****************************************************************/
-PUBLIC S16 buildAndSendSlotIndication()
+PUBLIC uint16_t l1BuildAndSendSlotIndication()
 {
-#ifdef FAPI
+#ifdef INTEL_FAPI
    fapi_slot_ind_t *slotIndMsg;
-   if(SGetSBuf(0, 0, (Data **)&slotIndMsg, sizeof(slotIndMsg)) != ROK)
+
+   MAC_ALLOC(slotIndMsg, sizeof(fapi_slot_ind_t));
+       if(!slotIndMsg)
    {
        DU_LOG("\nPHY_STUB: Memory allocation failed for slot Indication Message");
        return RFAILED;
    }
    else
    {
+      slotIndMsg->sfn = sfnValue;
+      slotIndMsg->slot = slotValue;
+      DU_LOG("\n\nPHY_STUB: SLOT indication [%d:%d]",sfnValue,slotValue);
+
+               /* increment for the next TTI */
       slotValue++;
-      if(sfnValue > MAX_SFN_VALUE && slotValue > MAX_SLOT_VALUE)
+      if(sfnValue >= MAX_SFN_VALUE && slotValue > MAX_SLOT_VALUE)
       {
          sfnValue = 0;
          slotValue = 0;
@@ -288,12 +518,9 @@ PUBLIC S16 buildAndSendSlotIndication()
          sfnValue++;
          slotValue = 0;
       }
-      slotIndMsg->sfn = sfnValue;
-      slotIndMsg->slot = slotValue;
       fillMsgHeader(&slotIndMsg->header, FAPI_SLOT_INDICATION, sizeof(fapi_slot_ind_t));
-      DU_LOG("\nPHY_STUB [%d:%d] ",sfnValue,slotValue);
       handlePhyMessages(slotIndMsg->header.message_type_id, sizeof(fapi_slot_ind_t), (void*)slotIndMsg);
-      SPutSBuf(0, 0, (Data *)slotIndMsg, sizeof(slotIndMsg));
+      MAC_FREE(slotIndMsg, sizeof(fapi_slot_ind_t));
    }
 #endif
    return ROK;
@@ -319,19 +546,21 @@ PUBLIC S16 buildAndSendSlotIndication()
 
 PUBLIC S16 l1HdlStartReq(uint32_t msgLen, void *msg)
 {
+#ifdef INTEL_FAPI
+   fapi_start_req_t *startReq = (fapi_start_req_t *)msg;
+
    if(clGlobalCp.phyState == PHY_STATE_CONFIGURED)
    {
-      duStartSlotIndicaion();
-#ifdef FAPI
-      SPutSBuf(0, 0, (Data *)msg, sizeof(fapi_start_req_t));
-#endif
-      return ROK;
+      l1HdlSlotIndicaion(FALSE);
+               MAC_FREE(startReq, sizeof(fapi_start_req_t));
    }
    else
    {
-      DU_LOG("\n PHY_STUB: Received Start Req in PHY State %d", clGlobalCp.phyState);
+      DU_LOG("\nPHY_STUB: Received Start Req in PHY State %d", clGlobalCp.phyState);
       return RFAILED;
    }
+#endif
+   return ROK;
 }
 
 /*******************************************************************
@@ -354,11 +583,12 @@ PUBLIC S16 l1HdlStartReq(uint32_t msgLen, void *msg)
 
 PUBLIC S16 l1HdlDlTtiReq(uint16_t msgLen, void *msg)
 {
-#ifdef FAPI
+#ifdef INTEL_FAPI
    fapi_dl_tti_req_t *dlTtiReq;
    dlTtiReq = (fapi_dl_tti_req_t *)msg;
+
+   printf("\nPHY STUB: DL TTI Request at sfn=%d slot=%d",dlTtiReq->sfn,dlTtiReq->slot);
 #if 0
-   printf("\nPHY_STUB:  Received DL TTI Request in PHY");
    printf("\nPHY_STUB:  SFN     %d", dlTtiReq->sfn);
    printf("\nPHY_STUB:  SLOT    %d", dlTtiReq->slot);
    printf("\nPHY_STUB:  nPdus   %d", dlTtiReq->nPdus);
@@ -372,27 +602,58 @@ PUBLIC S16 l1HdlDlTtiReq(uint16_t msgLen, void *msg)
    printf("\nPHY_STUB: bchPayloadFlag      %d",        dlTtiReq->pdus->u.ssb_pdu.bchPayloadFlag);
    printf("\nPHY_STUB: bchPayload          %x",        dlTtiReq->pdus->u.ssb_pdu.bchPayload);
 #endif
-   uint8_t numPdus = dlTtiReq->nPdus;
-       if(numPdus == 0)
+       uint8_t pduCount = 0;
+       if(dlTtiReq->nPdus == 0)
        {
-               DU_LOG("\nNo PDU \n");
+               DU_LOG("\nPHY_STUB: No PDU in DL TTI Request");
    }
-       while(numPdus)
+       for(pduCount=0; pduCount<dlTtiReq->nPdus; pduCount++)
        {
-               if(dlTtiReq->pdus->pduType == 3) //SSB_PDU_TYPE
-                       DU_LOG("\nSSB PDU\n");
-               else if(dlTtiReq->pdus->pduType == 0)
-                       DU_LOG("\nSIB1 PDCCH PDU\n");
-               else if(dlTtiReq->pdus->pduType == 1)
-                  DU_LOG("\nSIB1 PDSCH PDU\n");
-
-               numPdus--;
+               if(dlTtiReq->pdus[pduCount].pduType == 3) //SSB_PDU_TYPE
+                       DU_LOG("\nPHY_STUB: SSB PDU");
+               else if(dlTtiReq->pdus[pduCount].pduType == 0)
+                       DU_LOG("\nPHY_STUB: PDCCH PDU");
+               else if(dlTtiReq->pdus[pduCount].pduType == 1)
+                  DU_LOG("\nPHY_STUB: PDSCH PDU");
        }
-   MAC_FREE(dlTtiReq, sizeof(fapi_dl_tti_req_t));
+
+       /* Free FAPI message */
+   MAC_FREE(dlTtiReq, msgLen);
+
 #endif
    return ROK;
 }
 
+/*******************************************************************
+*
+* @brief Handles tx_data request received from MAC
+*
+* @details
+*
+*    Function : l1HdlTxDataReq
+*
+*    Functionality:
+*          -Handles tx_data request received from MAC
+*
+* @params[in]   Message length
+*               tx_data request message pointer
+*
+* @return void
+*
+* ****************************************************************/
+
+PUBLIC S16 l1HdlTxDataReq(uint16_t msgLen, void *msg)
+{
+#ifdef INTEL_FAPI
+   fapi_tx_data_req_t *txDataReq;
+   txDataReq = (fapi_tx_data_req_t *)msg;
+
+   DU_LOG("\nPHY STUB: TX DATA Request at sfn=%d slot=%d",txDataReq->sfn,txDataReq->slot);
+
+       MAC_FREE(txDataReq, msgLen);
+#endif
+   return ROK;
+}
 /*******************************************************************
 *
 * @brief Handles Ul Tti request received from MAC
@@ -413,21 +674,122 @@ PUBLIC S16 l1HdlDlTtiReq(uint16_t msgLen, void *msg)
 
 PUBLIC S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
 {
-#ifdef FAPI
+#ifdef INTEL_FAPI
    fapi_ul_tti_req_t *ulTtiReq;
+
+   DU_LOG("\nPHY STUB: Received UL TTI Request");
+
    ulTtiReq = (fapi_ul_tti_req_t *)msg;
    uint8_t numPdus = ulTtiReq->nPdus;
+    
        if(numPdus == 0)
        {
-               DU_LOG("\nPHY STUB: No PDU in UL TTI \n");
+               DU_LOG("\nPHY STUB: No PDU in UL TTI");
    }
        while(numPdus)
        {
-               if(ulTtiReq->pdus->pduType == 0)
-                       DU_LOG("\n PHY STUB: PRACH PDU\n");
+               if(ulTtiReq->pdus[numPdus-1].pduType == 0)
+               {
+                       DU_LOG("\nPHY STUB: PRACH PDU");
+               }
+      if(ulTtiReq->pdus[numPdus-1].pduType == 1)
+      {
+         DU_LOG("\nPHY STUB: PUSCH PDU");                      
+         l1BuildAndSendRxDataInd(ulTtiReq->slot, ulTtiReq->sfn, \
+                          ulTtiReq->pdus[numPdus-1].u.pusch_pdu); 
+      }
+               if(ulTtiReq->pdus[numPdus-1].pduType == 2)
+          {
+                  DU_LOG("\nPHY STUB: PUCCH PDU");
+               }
                numPdus--;
        }
-       MAC_FREE(ulTtiReq, sizeof(fapi_ul_tti_req_t));
+
+   if(rachIndSent == false && ulTtiReq->sfn == 2 && ulTtiReq->slot == 6)
+   {
+      rachIndSent = true;
+      l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
+   }
+   
+   MAC_FREE(ulTtiReq, msgLen);
+#endif
+   return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Builds and Send the stop Indication message to MAC
+ *
+ * @details
+ *
+ *    Function : l1BuildAndSendStopInd
+ *
+ *    Functionality:
+ *          -Send the Stop indication Message to MAC
+ *
+ *
+ * @return void
+ *
+ * ****************************************************************/
+PUBLIC uint16_t l1BuildAndSendStopInd()
+{
+#ifdef INTEL_FAPI
+   fapi_stop_ind_t *stopIndMsg = NULLP;
+   uint32_t msgLen = 0;
+
+   MAC_ALLOC(stopIndMsg, sizeof(fapi_stop_ind_t));
+   if(!stopIndMsg)
+   {
+       DU_LOG("\nPHY_STUB: Memory allocation failed for stop Indication Message");
+       return RFAILED;
+   }
+   else
+   {
+      fillMsgHeader(&stopIndMsg->header, FAPI_STOP_INDICATION, msgLen);
+      DU_LOG("\n\nPHY_STUB: Processing Stop indication to MAC");
+      handlePhyMessages(stopIndMsg->header.message_type_id,\
+                 sizeof(fapi_stop_ind_t), (void*)stopIndMsg);
+      MAC_FREE(stopIndMsg, sizeof(fapi_stop_ind_t));
+   }
+#endif
+   return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Handles stop request received from MAC
+ *
+ * @details
+ *
+ *    Function : l1HdlStopReq
+ *
+ *    Functionality:
+ *          -Handles stop request received from MAC
+ *
+ * @params[in]   Message length
+ *               stop request message pointer
+ *
+ * @return void
+ *
+ * ****************************************************************/
+
+PUBLIC S16 l1HdlStopReq(uint32_t msgLen, void *msg)
+{
+#ifdef INTEL_FAPI
+   fapi_stop_req_t *stopReq = (fapi_stop_req_t *)msg;
+
+   if(clGlobalCp.phyState == PHY_STATE_RUNNING)
+   {
+      l1HdlSlotIndicaion(TRUE);
+      DU_LOG("\nPHY_STUB: Slot Indication is stopped successfully");
+      l1BuildAndSendStopInd();
+      MAC_FREE(stopReq, msgLen);
+   }
+   else
+   {
+      DU_LOG("\nPHY_STUB: Received Stop Req in PHY State %d", clGlobalCp.phyState);
+      return RFAILED;
+   }
 #endif
    return ROK;
 }
@@ -438,7 +800,7 @@ PUBLIC S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
  *
  * @details
  *
- *    Function : processFapiRequest
+ *    Function :  l1ProcessFapiRequest
  *
  *    Functionality:
  *       - Receives message from MAC and calls handler
@@ -451,11 +813,11 @@ PUBLIC S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
  *
  * ****************************************************************/
 
-void processFapiRequest(uint8_t msgType, uint32_t msgLen, void *msg)
+void l1ProcessFapiRequest(uint8_t msgType, uint32_t msgLen, void *msg)
 {
    switch(msgType)
    {
-#ifdef FAPI
+#ifdef INTEL_FAPI
       case FAPI_PARAM_REQUEST:
          l1HdlParamReq(msgLen, msg);
          break;
@@ -468,9 +830,15 @@ void processFapiRequest(uint8_t msgType, uint32_t msgLen, void *msg)
       case FAPI_DL_TTI_REQUEST:
          l1HdlDlTtiReq(msgLen, msg);
          break;
+      case FAPI_TX_DATA_REQUEST:
+         l1HdlTxDataReq(msgLen, msg);
+         break;
       case FAPI_UL_TTI_REQUEST:
          l1HdlUlTtiReq(msgLen, msg);
          break;
+      case FAPI_STOP_REQUEST:
+         l1HdlStopReq(msgLen, msg);
+         break;
       default:
          DU_LOG("\nPHY_STUB: Invalid message type[%x] received at PHY", msgType);
          break;