diff --git a/CORE/HDD/src/wlan_hdd_wext.c b/CORE/HDD/src/wlan_hdd_wext.c
index a7db71a..cb1b965 100644
--- a/CORE/HDD/src/wlan_hdd_wext.c
+++ b/CORE/HDD/src/wlan_hdd_wext.c
@@ -3143,7 +3143,8 @@
     {
         dwrq->flags |= IW_ENCODE_ENABLED;
         dwrq->length = pRoamProfile->Keys.KeyLength[keyId];
-        palCopyMemory(dev,extra,&(pRoamProfile->Keys.KeyMaterial[keyId][0]),pRoamProfile->Keys.KeyLength[keyId]);
+        vos_mem_copy(extra, &(pRoamProfile->Keys.KeyMaterial[keyId][0]),
+                     pRoamProfile->Keys.KeyLength[keyId]);
     }
     else
     {
diff --git a/CORE/MAC/src/cfg/cfgApi.c b/CORE/MAC/src/cfg/cfgApi.c
index a819d01..8adadd8 100644
--- a/CORE/MAC/src/cfg/cfgApi.c
+++ b/CORE/MAC/src/cfg/cfgApi.c
@@ -794,7 +794,6 @@
     tANI_U8    *pCountryInfo = NULL;
     tANI_U8    count = 0;
     tPowerdBm  maxTxPwr = WDA_MAX_TXPOWER_INVALID;
-    eHalStatus    status;
     
     /* At least one element is present */
     if(cfgLength < sizeof(tSirMacChanInfo))
@@ -803,10 +802,10 @@
         goto error;
     }
 
-    status = palAllocateMemory(pMac->hHdd, (void **)&pCountryInfo, cfgLength);
-    if (status != eHAL_STATUS_SUCCESS)
+    pCountryInfo = vos_mem_malloc(cfgLength);
+    if ( NULL == pCountryInfo )
     {
-        cfgLog(pMac, LOGP, FL(" palAllocateMemory() failed, status = %d"), status);
+        cfgLog(pMac, LOGP, FL(" failed to allocate memory"));
         goto error;
     }
     /* The CSR will always update this CFG. The contents will be from country IE if regulatory domain
@@ -814,7 +813,7 @@
      */
     if (wlan_cfgGetStr(pMac, cfgId, pCountryInfo, &cfgLength) != eSIR_SUCCESS)
     {
-        palFreeMemory(pMac->hHdd, pCountryInfo);
+        vos_mem_free(pCountryInfo);
         pCountryInfo = NULL;
             
         cfgLog(pMac, LOGP, FL("Failed to retrieve 11d configuration parameters while retrieving 11d tuples"));
@@ -837,8 +836,8 @@
     }
 
 error:
-    if(NULL != pCountryInfo)
-        palFreeMemory(pMac->hHdd, pCountryInfo);
+    if (NULL != pCountryInfo)
+        vos_mem_free(pCountryInfo);
        
     return maxTxPwr;
 }
diff --git a/CORE/MAC/src/cfg/cfgProcMsg.c b/CORE/MAC/src/cfg/cfgProcMsg.c
index 98164d0..7168d2b 100644
--- a/CORE/MAC/src/cfg/cfgProcMsg.c
+++ b/CORE/MAC/src/cfg/cfgProcMsg.c
@@ -121,7 +121,7 @@
     gCfgFunc[index](pMac, len, pParam);
 
     // Free up buffer
-    palFreeMemory( pMac->hHdd, (void*)pMsg);
+    vos_mem_free(pMsg);
 
 } /*** end cfgProcessMbMsg() ***/
 
diff --git a/CORE/MAC/src/cfg/cfgSendMsg.c b/CORE/MAC/src/cfg/cfgSendMsg.c
index da7999e..cb26fe5 100644
--- a/CORE/MAC/src/cfg/cfgSendMsg.c
+++ b/CORE/MAC/src/cfg/cfgSendMsg.c
@@ -109,7 +109,8 @@
     }
 
     // Allocate message buffer
-    if( eHAL_STATUS_SUCCESS != palAllocateMemory( pMac->hHdd, (void **)&pMsg, msgLen))
+    pMsg = vos_mem_malloc(msgLen);
+    if ( NULL == pMsg )
     {
         PELOGE(cfgLog(pMac, LOGE,
                       FL("Memory allocation failure!"));)
@@ -154,7 +155,7 @@
         default:
            PELOGE(cfgLog(pMac, LOGE,
                          FL("Unknown msg %d!"), (int) msgType);)
-            palFreeMemory( pMac->hHdd, pMsg);
+            vos_mem_free( pMsg);
             return;
     }
 
diff --git a/CORE/MAC/src/dph/dphHashTable.c b/CORE/MAC/src/dph/dphHashTable.c
index ee21d28..db4025a 100644
--- a/CORE/MAC/src/dph/dphHashTable.c
+++ b/CORE/MAC/src/dph/dphHashTable.c
@@ -273,7 +273,7 @@
     PELOG1(limLog(pMac, LOG1, FL("Assoc Id %d, Addr %08X"), assocId, pStaDs);)
 
     // Clear the STA node except for the next pointer (last 4 bytes)
-    palZeroMemory( pMac->hHdd, (tANI_U8 *) pStaDs, sizeof(tDphHashNode) - sizeof(tpDphHashNode));
+    vos_mem_set( (tANI_U8 *) pStaDs, sizeof(tDphHashNode) - sizeof(tpDphHashNode), 0);
 
     // Initialize the assocId
     pStaDs->assocId = assocId;
@@ -283,7 +283,7 @@
       pStaDs->staIndex = HAL_STA_INVALID_IDX;
 
     // Initialize STA mac address
-    palCopyMemory( pMac->hHdd, pStaDs->staAddr, staAddr, sizeof(tSirMacAddr));
+    vos_mem_copy( pStaDs->staAddr, staAddr, sizeof(tSirMacAddr));
 
     // Initialize fragmentation threshold
     if (wlan_cfgGetInt(pMac, WNI_CFG_FRAGMENTATION_THRESHOLD, &val) != eSIR_SUCCESS)
diff --git a/CORE/SAP/src/sapChSelect.c b/CORE/SAP/src/sapChSelect.c
index 8c5b143..28ca4aa 100644
--- a/CORE/SAP/src/sapChSelect.c
+++ b/CORE/SAP/src/sapChSelect.c
@@ -797,10 +797,10 @@
     tSirProbeRespBeacon *pBeaconStruct;
     tpAniSirGlobal  pMac = (tpAniSirGlobal) halHandle;
 
-    if(eHAL_STATUS_SUCCESS != palAllocateMemory(pMac->hHdd, 
-                                                (void **)&pBeaconStruct, sizeof(tSirProbeRespBeacon)))
+    pBeaconStruct = vos_mem_malloc(sizeof(tSirProbeRespBeacon));
+    if ( NULL == pBeaconStruct )
     {
-        VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH,"Unable to PAL allocate memory in sapComputeSpectWeight\n");
+        VOS_TRACE(VOS_MODULE_ID_SAP, VOS_TRACE_LEVEL_INFO_HIGH,"Unable to allocate memory in sapComputeSpectWeight\n");
         return;
     }
     
@@ -825,7 +825,7 @@
         if(pScanResult->BssDescriptor.ieFields != NULL) 
         {
             ieLen = (pScanResult->BssDescriptor.length + sizeof(tANI_U16) + sizeof(tANI_U32) - sizeof(tSirBssDescription));
-            palZeroMemory(pMac->hHdd, (tANI_U8 *) pBeaconStruct, sizeof(tSirProbeRespBeacon));
+            vos_mem_set((tANI_U8 *) pBeaconStruct, sizeof(tSirProbeRespBeacon), 0);
             
             if ((sirParseBeaconIE(pMac, pBeaconStruct,(tANI_U8 *)( pScanResult->BssDescriptor.ieFields), ieLen)) == eSIR_SUCCESS)
             {
@@ -1113,7 +1113,7 @@
         //------ Debug Info ------ 
         pSpectCh++;
     }
-    palFreeMemory(pMac->hHdd, pBeaconStruct);
+    vos_mem_free(pBeaconStruct);
 }
 
 /*==========================================================================
diff --git a/CORE/SYS/common/src/wlan_qct_sys.c b/CORE/SYS/common/src/wlan_qct_sys.c
index fae90d3..586e11c 100644
--- a/CORE/SYS/common/src/wlan_qct_sys.c
+++ b/CORE/SYS/common/src/wlan_qct_sys.c
@@ -724,7 +724,7 @@
     /* free the mem and return */
     if(pMsg->bodyptr)
     {
-      palFreeMemory( pMac->hHdd, pMsg->bodyptr);
+      vos_mem_free( pMsg->bodyptr);
     }
   }
 
diff --git a/CORE/SYS/legacy/src/pal/src/palApiComm.c b/CORE/SYS/legacy/src/pal/src/palApiComm.c
index 0dfce9b..4bf8172 100644
--- a/CORE/SYS/legacy/src/pal/src/palApiComm.c
+++ b/CORE/SYS/legacy/src/pal/src/palApiComm.c
@@ -324,7 +324,7 @@
       }
    }
 
-   palFreeMemory( hHdd, pBuf );
+   vos_mem_free( pBuf );
 
    return( halStatus );
 }
diff --git a/CORE/SYS/legacy/src/system/src/macInitApi.c b/CORE/SYS/legacy/src/system/src/macInitApi.c
index efc327e..23d8a21 100644
--- a/CORE/SYS/legacy/src/system/src/macInitApi.c
+++ b/CORE/SYS/legacy/src/system/src/macInitApi.c
@@ -84,15 +84,15 @@
 
    for(i=0; i<MAX_DUMP_TABLE_ENTRY; i++)
    {
-      if(palAllocateMemory(pMac->hHdd, ((void *)&pMac->dumpTableEntry[i]), sizeof(tDumpModuleEntry))
-          != eHAL_STATUS_SUCCESS)
+      pMac->dumpTableEntry[i] = vos_mem_malloc(sizeof(tDumpModuleEntry));
+      if ( NULL == pMac->dumpTableEntry[i] )
       {
          memAllocFailed = eANI_BOOLEAN_TRUE;
          break;
       }
       else
       {
-         palZeroMemory(pMac->hHdd, pMac->dumpTableEntry[i], sizeof(tSirMbMsg));
+         vos_mem_set(pMac->dumpTableEntry[i], sizeof(tSirMbMsg), 0);
       }
    }
    if( memAllocFailed )
@@ -100,7 +100,7 @@
       while(i>0)
       {
          i--;
-         palFreeMemory(pMac, pMac->dumpTableEntry[i]);
+         vos_mem_free(pMac->dumpTableEntry[i]);
       }
       sysLog(pMac, LOGE, FL("pMac->dumpTableEntry is NULL\n"));
       status = eSIR_FAILURE;
@@ -138,7 +138,8 @@
       macTraceInit(pMac);
 #endif
 
-      if (!HAL_STATUS_SUCCESS(palAllocateMemory(pMac->hHdd, ((void *)&pMac->pResetMsg), sizeof(tSirMbMsg))))
+      pMac->pResetMsg = vos_mem_malloc(sizeof(tSirMbMsg));
+      if ( NULL == pMac->pResetMsg )
       {
          sysLog(pMac, LOGE, FL("pMac->pResetMsg is NULL\n"));
          status = eSIR_FAILURE;
@@ -146,7 +147,7 @@
       }
       else
       {
-         palZeroMemory(pMac->hHdd, pMac->pResetMsg, sizeof(tSirMbMsg));
+         vos_mem_set(pMac->pResetMsg, sizeof(tSirMbMsg), 0);
       }
 
       if (pMac->gDriverType != eDRIVER_TYPE_MFG)
@@ -180,13 +181,13 @@
     // in reset context this memory will be freed by HDD.
     if(false == pMac->sys.abort)
     {
-        palFreeMemory(pMac->hHdd, pMac->pResetMsg);
+        vos_mem_free(pMac->pResetMsg);
         pMac->pResetMsg = NULL;
     }
     /* Free the DumpTableEntry */
     for(i=0; i<MAX_DUMP_TABLE_ENTRY; i++)
     {
-        palFreeMemory(pMac, pMac->dumpTableEntry[i]);
+        vos_mem_free(pMac->dumpTableEntry[i]);
     }
 
     return eSIR_SUCCESS;
@@ -217,11 +218,12 @@
      */
 
     /* Allocate pMac */
-    if (palAllocateMemory(hHdd, ((void **)&pMac), sizeof(tAniSirGlobal)) != eHAL_STATUS_SUCCESS)
+    pMac = vos_mem_malloc(sizeof(tAniSirGlobal));
+    if ( NULL == pMac )
         return eSIR_FAILURE;
 
     /* Initialize the pMac structure */
-    palZeroMemory(hHdd, pMac, sizeof(tAniSirGlobal));
+    vos_mem_set(pMac, sizeof(tAniSirGlobal), 0);
 
     /** Store the Driver type in pMac Global.*/
     //pMac->gDriverType = pMacOpenParms->driverType;
@@ -272,7 +274,7 @@
     logDeinit(pMac);
 
     // Finally, de-allocate the global MAC datastructure:
-    palFreeMemory( pMac->hHdd, pMac );
+    vos_mem_free( pMac );
 
     return eSIR_SUCCESS;
 }
diff --git a/CORE/SYS/legacy/src/system/src/sysEntryFunc.c b/CORE/SYS/legacy/src/system/src/sysEntryFunc.c
index 12fb855..815cf80 100644
--- a/CORE/SYS/legacy/src/system/src/sysEntryFunc.c
+++ b/CORE/SYS/legacy/src/system/src/sysEntryFunc.c
@@ -95,7 +95,7 @@
 sysInitGlobals(tpAniSirGlobal pMac)
 {
 
-    palZeroMemory(pMac->hHdd, (tANI_U8 *) &pMac->sys, sizeof(pMac->sys));
+    vos_mem_set((tANI_U8 *) &pMac->sys, sizeof(pMac->sys), 0);
 
     pMac->sys.gSysEnableScanMode        = 1;
     pMac->sys.gSysEnableLinkMonitorMode = 0;
diff --git a/CORE/SYS/legacy/src/utils/inc/dot11fdefs.h b/CORE/SYS/legacy/src/utils/inc/dot11fdefs.h
index 11072d7..3c76d75 100644
--- a/CORE/SYS/legacy/src/utils/inc/dot11fdefs.h
+++ b/CORE/SYS/legacy/src/utils/inc/dot11fdefs.h
@@ -60,11 +60,11 @@
 
 // This controls how the "dot11f" code copies memory
 #define DOT11F_MEMCPY(ctx, dst, src, len) \
-    palCopyMemory( ( ctx )->hHdd, ( tANI_U8* )( dst ), ( tANI_U8* )( src ), ( len ) )
+    vos_mem_copy( ( tANI_U8* )( dst ), ( tANI_U8* )( src ), ( len ) )
 
 // This controls how the "dot11f" code compares memory
 #define DOT11F_MEMCMP(ctx, lhs, rhs, len) \
-    ( ! palEqualMemory( ( ctx )->hHdd, ( tANI_U8* )( lhs ), ( tANI_U8* )( rhs ), ( len ) ) )
+    ( ! vos_mem_compare( ( tANI_U8* )( lhs ), ( tANI_U8* )( rhs ), ( len ) ) )
 
 #   if defined ( DBG ) && ( DBG != 0 )
 
diff --git a/CORE/SYS/legacy/src/utils/src/parserApi.c b/CORE/SYS/legacy/src/utils/src/parserApi.c
index 2fe088e..add69af 100644
--- a/CORE/SYS/legacy/src/utils/src/parserApi.c
+++ b/CORE/SYS/legacy/src/utils/src/parserApi.c
@@ -359,7 +359,7 @@
         CFG_GET_STR( nSirStatus, pMac, WNI_CFG_COUNTRY_CODE,
                      code, codelen, 3 );
 
-        palCopyMemory( pMac->hHdd, pDot11f->country, code, codelen );
+        vos_mem_copy( pDot11f->country, code, codelen );
 
         if(len > MAX_SIZE_OF_TRIPLETS_IN_COUNTRY_IE)
         {
@@ -368,7 +368,7 @@
         }
 
         pDot11f->num_triplets = ( tANI_U8 ) ( len / 3 );
-        palCopyMemory( pMac->hHdd, ( tANI_U8* )pDot11f->triplets, temp, len );
+        vos_mem_copy( ( tANI_U8* )pDot11f->triplets, temp, len );
 
         pDot11f->present = 1;
     }
@@ -509,7 +509,7 @@
         if(psessionEntry != NULL)
         {
             nRates = psessionEntry->extRateSet.numRates;
-            palCopyMemory(pMac->hHdd, rates, psessionEntry->extRateSet.rate, 
+            vos_mem_copy( rates, psessionEntry->extRateSet.rate,
                           nRates);
         }
         else
@@ -527,7 +527,7 @@
     if ( 0 != nRates )
     {
         pDot11f->num_rates = ( tANI_U8 )nRates;
-        palCopyMemory( pMac->hHdd, pDot11f->rates, rates, nRates );
+        vos_mem_copy( pDot11f->rates, rates, nRates );
         pDot11f->present   = 1;
     }
 
@@ -559,7 +559,7 @@
     if ( 0 != nRates )
     {
         pDot11f->num_rates = ( tANI_U8 ) nRates;
-        palCopyMemory( pMac->hHdd, pDot11f->rates, rates, nRates );
+        vos_mem_copy( pDot11f->rates, rates, nRates );
         pDot11f->present   = 1;
     }
 
@@ -1269,7 +1269,7 @@
         {
             pDot11f->present  = 1;
             pDot11f->num_data = pRsnIe->rsnIEdata[ idx + 1 ];
-            palCopyMemory( pMac->hHdd, pDot11f->data,
+            vos_mem_copy(  pDot11f->data,
                            pRsnIe->rsnIEdata + idx + 2,    // EID, len
                            pRsnIe->rsnIEdata[ idx + 1 ] );
         }
@@ -1325,7 +1325,7 @@
         {
         pDot11f->present  = 1;
         pDot11f->num_data = pRsnIe->rsnIEdata[ idx + 1 ];
-        palCopyMemory( pMac->hHdd, pDot11f->data,
+        vos_mem_copy ( pDot11f->data,
                        pRsnIe->rsnIEdata + idx + 2,    // EID, len
                        pRsnIe->rsnIEdata[ idx + 1 ] );
     }
@@ -1347,7 +1347,7 @@
     pDot11f->num_ssid = pInternal->length;
     if ( pInternal->length )
     {
-        palCopyMemory( pMac->hHdd, ( tANI_U8* )pDot11f->ssid, ( tANI_U8* )&pInternal->ssId,
+        vos_mem_copy( ( tANI_U8* )pDot11f->ssid, ( tANI_U8* )&pInternal->ssId,
                        pInternal->length );
     }
 } // End PopulateDot11fSSID.
@@ -1431,7 +1431,7 @@
         if(psessionEntry != NULL)
         {
             nRates = psessionEntry->rateSet.numRates;
-            palCopyMemory(pMac->hHdd, rates, psessionEntry->rateSet.rate, 
+            vos_mem_copy( rates, psessionEntry->rateSet.rate,
                           nRates);
         }
         else
@@ -1454,7 +1454,7 @@
     if ( 0 != nRates )
     {
         pDot11f->num_rates = ( tANI_U8 )nRates;
-        palCopyMemory( pMac->hHdd, pDot11f->rates, rates, nRates );
+        vos_mem_copy( pDot11f->rates, rates, nRates );
         pDot11f->present   = 1;
     }
 
@@ -1719,7 +1719,7 @@
         {
         pDot11f->present  = 1;
         pDot11f->num_data = pRsnIe->rsnIEdata[ idx + 1 ] - 4;
-        palCopyMemory( pMac->hHdd, pDot11f->data,
+        vos_mem_copy(  pDot11f->data,
                        pRsnIe->rsnIEdata + idx + 2 + 4,    // EID, len, OUI
                        pRsnIe->rsnIEdata[ idx + 1 ] - 4 ); // OUI
     }
@@ -1765,7 +1765,7 @@
     tDot11fProbeRequest pr;
 
     // Ok, zero-init our [out] parameter,
-    palZeroMemory( pMac->hHdd, (tANI_U8*)pProbeReq, sizeof(tSirProbeReq));
+    vos_mem_set( (tANI_U8*)pProbeReq, sizeof(tSirProbeReq), 0);
 
     // delegate to the framesc-generated code,
     status = dot11fUnpackProbeRequest(pMac, pFrame, nFrame, &pr);
@@ -1813,7 +1813,7 @@
 
     if ( pr.HTCaps.present )
     {
-        palCopyMemory( pMac, &pProbeReq->HTCaps, &pr.HTCaps, sizeof( tDot11fIEHTCaps ) );
+        vos_mem_copy( &pProbeReq->HTCaps, &pr.HTCaps, sizeof( tDot11fIEHTCaps ) );
     }
 
     if ( pr.WscProbeReq.present )
@@ -1824,7 +1824,7 @@
 #ifdef WLAN_FEATURE_11AC
     if ( pr.VHTCaps.present )
     {
-        palCopyMemory( pMac, &pProbeReq->VHTCaps, &pr.VHTCaps, sizeof( tDot11fIEVHTCaps ) );
+        vos_mem_copy( &pProbeReq->VHTCaps, &pr.VHTCaps, sizeof( tDot11fIEVHTCaps ) );
     }
 #endif
 
@@ -1847,16 +1847,20 @@
     tDot11fProbeResponse *pr;
 
     // Ok, zero-init our [out] parameter,
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )pProbeResp, sizeof(tSirProbeRespBeacon) );
+    vos_mem_set( ( tANI_U8* )pProbeResp, sizeof(tSirProbeRespBeacon), 0 );
 
-    status = palAllocateMemory(pMac->hHdd, (void **)&pr, sizeof(tDot11fProbeResponse));
-    if(!HAL_STATUS_SUCCESS(status))
+    pr = vos_mem_malloc(sizeof(tDot11fProbeResponse));
+    if ( NULL == pr )
+        status = eHAL_STATUS_FAILURE;
+    else
+        status = eHAL_STATUS_SUCCESS;
+    if (!HAL_STATUS_SUCCESS(status))
     {
         limLog(pMac, LOGE, FL("Failed to allocate memory\n") );
         return eSIR_FAILURE;
     }
 
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )pr, sizeof(tDot11fProbeResponse) );
+    vos_mem_set( ( tANI_U8* )pr, sizeof(tDot11fProbeResponse), 0 );
 
     // delegate to the framesc-generated code,
     status = dot11fUnpackProbeResponse( pMac, pFrame, nFrame, pr );
@@ -1865,7 +1869,7 @@
         limLog(pMac, LOGE, FL("Failed to parse a Probe Response (0x%08x, %d bytes):\n"),
                   status, nFrame);
         PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pFrame, nFrame);)
-        palFreeMemory(pMac->hHdd, pr);
+        vos_mem_free(pr);
         return eSIR_FAILURE;
     }
     else if ( DOT11F_WARNED( status ) )
@@ -1878,7 +1882,8 @@
     // & "transliterate" from a 'tDot11fProbeResponse' to a 'tSirProbeRespBeacon'...
 
     // Timestamp
-    palCopyMemory( pMac->hHdd, ( tANI_U8* )pProbeResp->timeStamp, ( tANI_U8* )&pr->TimeStamp, sizeof(tSirMacTimeStamp) );
+    vos_mem_copy( ( tANI_U8* )pProbeResp->timeStamp, ( tANI_U8* )&pr->TimeStamp,
+                  sizeof(tSirMacTimeStamp) );
 
     // Beacon Interval
     pProbeResp->beaconInterval = pr->BeaconInterval.interval;
@@ -1949,43 +1954,44 @@
     if ( pr->ChanSwitchAnn.present )
     {
         pProbeResp->channelSwitchPresent = 1;
-        palCopyMemory( pMac, &pProbeResp->channelSwitchIE, &pr->ChanSwitchAnn,
+        vos_mem_copy( &pProbeResp->channelSwitchIE, &pr->ChanSwitchAnn,
                        sizeof(tDot11fIEExtChanSwitchAnn) );
     }
 
        if ( pr->ExtChanSwitchAnn.present )
     {
         pProbeResp->extChannelSwitchPresent = 1;
-        palCopyMemory( pMac, &pProbeResp->extChannelSwitchIE, &pr->ExtChanSwitchAnn,
+        vos_mem_copy ( &pProbeResp->extChannelSwitchIE, &pr->ExtChanSwitchAnn,
                        sizeof(tDot11fIEExtChanSwitchAnn) );
     }
 
     if( pr->TPCReport.present)
     {
         pProbeResp->tpcReportPresent = 1;
-        palCopyMemory(pMac->hHdd, &pProbeResp->tpcReport, &pr->TPCReport, sizeof(tDot11fIETPCReport));
+        vos_mem_copy( &pProbeResp->tpcReport, &pr->TPCReport, sizeof(tDot11fIETPCReport));
     }
 
     if( pr->PowerConstraints.present)
     {
         pProbeResp->powerConstraintPresent = 1;
-        palCopyMemory(pMac->hHdd, &pProbeResp->localPowerConstraint, &pr->PowerConstraints, sizeof(tDot11fIEPowerConstraints));
+        vos_mem_copy( &pProbeResp->localPowerConstraint, &pr->PowerConstraints,
+                      sizeof(tDot11fIEPowerConstraints));
     }
 
     if ( pr->Quiet.present )
     {
         pProbeResp->quietIEPresent = 1;
-        palCopyMemory( pMac, &pProbeResp->quietIE, &pr->Quiet, sizeof(tDot11fIEQuiet) );
+        vos_mem_copy( &pProbeResp->quietIE, &pr->Quiet, sizeof(tDot11fIEQuiet) );
     }
 
     if ( pr->HTCaps.present )
     {
-        palCopyMemory( pMac, &pProbeResp->HTCaps, &pr->HTCaps, sizeof( tDot11fIEHTCaps ) );
+        vos_mem_copy( &pProbeResp->HTCaps, &pr->HTCaps, sizeof( tDot11fIEHTCaps ) );
     }
 
     if ( pr->HTInfo.present )
     {
-        palCopyMemory( pMac, &pProbeResp->HTInfo, &pr->HTInfo, sizeof( tDot11fIEHTInfo ) );
+        vos_mem_copy( &pProbeResp->HTInfo, &pr->HTInfo, sizeof( tDot11fIEHTInfo ) );
     }
 
     if ( pr->DSParams.present )
@@ -2041,7 +2047,8 @@
     {
         // MobilityDomain
         pProbeResp->mdiePresent = 1;
-        palCopyMemory( pMac->hHdd, (tANI_U8 *)&(pProbeResp->mdie[0]), (tANI_U8 *)&(pr->MobilityDomain.MDID), sizeof(tANI_U16) );
+        vos_mem_copy( (tANI_U8 *)&(pProbeResp->mdie[0]), (tANI_U8 *)&(pr->MobilityDomain.MDID),
+                       sizeof(tANI_U16) );
         pProbeResp->mdie[2] = ((pr->MobilityDomain.overDSCap << 0) | (pr->MobilityDomain.resourceReqCap << 1));
 #ifdef WLAN_FEATURE_VOWIFI_11R_DEBUG
         limLog(pMac, LOG2, FL("mdie=%02x%02x%02x\n"), (unsigned int)pProbeResp->mdie[0],
@@ -2053,29 +2060,29 @@
 #if defined FEATURE_WLAN_CCX
     if (pr->QBSSLoad.present)
     {
-        palCopyMemory(pMac->hHdd, &pProbeResp->QBSSLoad, &pr->QBSSLoad, sizeof(tDot11fIEQBSSLoad));
+        vos_mem_copy(&pProbeResp->QBSSLoad, &pr->QBSSLoad, sizeof(tDot11fIEQBSSLoad));
     }
 #endif
     if (pr->P2PProbeRes.present)
     {
-       palCopyMemory( pMac, &pProbeResp->P2PProbeRes, &pr->P2PProbeRes,
+       vos_mem_copy( &pProbeResp->P2PProbeRes, &pr->P2PProbeRes,
                                                 sizeof(tDot11fIEP2PProbeRes) );
     }
 #ifdef WLAN_FEATURE_11AC
     if ( pr->VHTCaps.present )
     {
-       palCopyMemory( pMac, &pProbeResp->VHTCaps, &pr->VHTCaps, sizeof( tDot11fIEVHTCaps ) );
+       vos_mem_copy( &pProbeResp->VHTCaps, &pr->VHTCaps, sizeof( tDot11fIEVHTCaps ) );
     }
     if ( pr->VHTOperation.present )
     {
-        palCopyMemory( pMac, &pProbeResp->VHTOperation, &pr->VHTOperation, sizeof( tDot11fIEVHTOperation) );
+        vos_mem_copy( &pProbeResp->VHTOperation, &pr->VHTOperation, sizeof( tDot11fIEVHTOperation) );
     }
     if ( pr->VHTExtBssLoad.present )
     {
-        palCopyMemory( pMac, &pProbeResp->VHTExtBssLoad, &pr->VHTExtBssLoad, sizeof( tDot11fIEVHTExtBssLoad) );
+        vos_mem_copy( &pProbeResp->VHTExtBssLoad, &pr->VHTExtBssLoad, sizeof( tDot11fIEVHTExtBssLoad) );
     }
 #endif
-    palFreeMemory(pMac->hHdd, pr);
+    vos_mem_free(pr);
     return eSIR_SUCCESS;
 
 } // End sirConvertProbeFrame2Struct.
@@ -2089,15 +2096,19 @@
     tDot11fAssocRequest *ar;
     tANI_U32                 status;
 
-    status = palAllocateMemory(pMac->hHdd, (void **)&ar, sizeof(tDot11fAssocRequest));
-    if(!HAL_STATUS_SUCCESS(status))
+    ar = vos_mem_malloc(sizeof(tDot11fAssocRequest));
+    if ( NULL == ar )
+        status = eHAL_STATUS_FAILURE;
+    else
+        status = eHAL_STATUS_SUCCESS;
+    if (!HAL_STATUS_SUCCESS(status))
     {
         limLog(pMac, LOGE, FL("Failed to allocate memory\n") );
         return eSIR_FAILURE;
     }
         // Zero-init our [out] parameter,
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )pAssocReq, sizeof(tSirAssocReq) );
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )ar, sizeof( tDot11fAssocRequest ) );
+    vos_mem_set( ( tANI_U8* )pAssocReq, sizeof(tSirAssocReq), 0 );
+    vos_mem_set( ( tANI_U8* )ar, sizeof( tDot11fAssocRequest ), 0 );
 
     // delegate to the framesc-generated code,
     status = dot11fUnpackAssocRequest( pMac, pFrame, nFrame, ar );
@@ -2106,7 +2117,7 @@
         limLog(pMac, LOGE, FL("Failed to parse an Association Request (0x%08x, %d bytes):\n"),
                   status, nFrame);
         PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pFrame, nFrame);)
-        palFreeMemory(pMac->hHdd, ar);
+        vos_mem_free(ar);
         return eSIR_FAILURE;
     }
     else if ( DOT11F_WARNED( status ) )
@@ -2221,13 +2232,14 @@
 
     if ( ar->HTCaps.present )
     {
-        palCopyMemory( pMac, &pAssocReq->HTCaps, &ar->HTCaps, sizeof( tDot11fIEHTCaps ) );
+        vos_mem_copy( &pAssocReq->HTCaps, &ar->HTCaps, sizeof( tDot11fIEHTCaps ) );
     }
 
     if ( ar->WMMInfoStation.present )
     {
         pAssocReq->wmeInfoPresent = 1;
-        palCopyMemory( pMac, &pAssocReq->WMMInfoStation, &ar->WMMInfoStation, sizeof( tDot11fIEWMMInfoStation ) );
+        vos_mem_copy( &pAssocReq->WMMInfoStation, &ar->WMMInfoStation,
+                      sizeof( tDot11fIEWMMInfoStation ) );
 
     }
 
@@ -2237,32 +2249,32 @@
     if ( ! pAssocReq->ssidPresent )
     {
         PELOG2(limLog(pMac, LOG2, FL("Received Assoc without SSID IE.\n"));)
-        palFreeMemory(pMac->hHdd, ar);
+        vos_mem_free(ar);
         return eSIR_FAILURE;
     }
 
     if ( !pAssocReq->suppRatesPresent && !pAssocReq->extendedRatesPresent )
     {
         PELOG2(limLog(pMac, LOG2, FL("Received Assoc without supp rate IE.\n"));)
-        palFreeMemory(pMac->hHdd, ar);
+        vos_mem_free(ar);
         return eSIR_FAILURE;
     }
 
 #ifdef WLAN_FEATURE_11AC
     if ( ar->VHTCaps.present )
     {
-        palCopyMemory( pMac, &pAssocReq->VHTCaps, &ar->VHTCaps, sizeof( tDot11fIEVHTCaps ) );
+        vos_mem_copy( &pAssocReq->VHTCaps, &ar->VHTCaps, sizeof( tDot11fIEVHTCaps ) );
         limLog( pMac, LOGW, FL("Received Assoc Req with VHT Cap\n"));
         limLogVHTCap( pMac, &pAssocReq->VHTCaps);
     }
     if ( ar->OperatingMode.present )
     {
-        palCopyMemory( pMac, &pAssocReq->operMode, &ar->OperatingMode, sizeof (tDot11fIEOperatingMode));
+        vos_mem_copy( &pAssocReq->operMode, &ar->OperatingMode, sizeof (tDot11fIEOperatingMode));
         limLog( pMac, LOGW, FL("Received Assoc Req with Operating Mode IE\n"));
         limLogOperatingMode( pMac, &pAssocReq->operMode);
     }
 #endif
-    palFreeMemory(pMac->hHdd, ar);
+    vos_mem_free(ar);
     return eSIR_SUCCESS;
 
 } // End sirConvertAssocReqFrame2Struct.
@@ -2278,7 +2290,7 @@
     tANI_U8  cnt =0;
 
     // Zero-init our [out] parameter,
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )pAssocRsp, sizeof(tSirAssocRsp) );
+    vos_mem_set( ( tANI_U8* )pAssocRsp, sizeof(tSirAssocRsp), 0 );
 
     // delegate to the framesc-generated code,
     status = dot11fUnpackAssocResponse( pMac, pFrame, nFrame, &ar);
@@ -2353,12 +2365,12 @@
 
     if ( ar.HTCaps.present )
     {
-        palCopyMemory( pMac, &pAssocRsp->HTCaps, &ar.HTCaps, sizeof( tDot11fIEHTCaps ) );
+        vos_mem_copy( &pAssocRsp->HTCaps, &ar.HTCaps, sizeof( tDot11fIEHTCaps ) );
     }
 
     if ( ar.HTInfo.present )
     {
-        palCopyMemory( pMac, &pAssocRsp->HTInfo, &ar.HTInfo, sizeof( tDot11fIEHTInfo ) );
+        vos_mem_copy( &pAssocRsp->HTInfo, &ar.HTInfo, sizeof( tDot11fIEHTInfo ) );
     }
 
 #ifdef WLAN_FEATURE_VOWIFI_11R
@@ -2366,7 +2378,8 @@
     {
         // MobilityDomain
         pAssocRsp->mdiePresent = 1;
-        palCopyMemory( pMac->hHdd, (tANI_U8 *)&(pAssocRsp->mdie[0]), (tANI_U8 *)&(ar.MobilityDomain.MDID), sizeof(tANI_U16) );
+        vos_mem_copy( (tANI_U8 *)&(pAssocRsp->mdie[0]), (tANI_U8 *)&(ar.MobilityDomain.MDID),
+                       sizeof(tANI_U16) );
         pAssocRsp->mdie[2] = ((ar.MobilityDomain.overDSCap << 0) | (ar.MobilityDomain.resourceReqCap << 1));
 #ifdef WLAN_FEATURE_VOWIFI_11R_DEBUG
         limLog(pMac, LOG1, FL("new mdie=%02x%02x%02x"), (unsigned int)pAssocRsp->mdie[0],
@@ -2382,7 +2395,7 @@
                 ar.FTInfo.R1KH_ID.present);
 #endif
         pAssocRsp->ftinfoPresent = 1;
-        palCopyMemory( pMac, &pAssocRsp->FTInfo, &ar.FTInfo, sizeof(tDot11fIEFTInfo) );
+        vos_mem_copy( &pAssocRsp->FTInfo, &ar.FTInfo, sizeof(tDot11fIEFTInfo) );
     }
 #endif
 
@@ -2390,7 +2403,8 @@
     if (ar.num_RICDataDesc) {
         for (cnt=0; cnt < ar.num_RICDataDesc; cnt++) {
             if (ar.RICDataDesc[cnt].present) {
-                palCopyMemory(pMac, &pAssocRsp->RICData[cnt], &ar.RICDataDesc[cnt], sizeof(tDot11fIERICDataDesc));
+                vos_mem_copy( &pAssocRsp->RICData[cnt], &ar.RICDataDesc[cnt],
+                              sizeof(tDot11fIERICDataDesc));
             }
         }
         pAssocRsp->num_RICData = ar.num_RICDataDesc;
@@ -2402,7 +2416,8 @@
     if (ar.num_WMMTSPEC) {
         pAssocRsp->num_tspecs = ar.num_WMMTSPEC;
         for (cnt=0; cnt < ar.num_WMMTSPEC; cnt++) {
-            palCopyMemory(pMac, &pAssocRsp->TSPECInfo[cnt], &ar.WMMTSPEC[cnt], (sizeof(tDot11fIEWMMTSPEC)*ar.num_WMMTSPEC));
+            vos_mem_copy( &pAssocRsp->TSPECInfo[cnt], &ar.WMMTSPEC[cnt],
+                          (sizeof(tDot11fIEWMMTSPEC)*ar.num_WMMTSPEC));
         }
         pAssocRsp->tspecPresent = TRUE;
     }
@@ -2410,7 +2425,7 @@
     if(ar.CCXTrafStrmMet.present)
     {
         pAssocRsp->tsmPresent = 1;
-        palCopyMemory(pMac->hHdd,&pAssocRsp->tsmIE.tsid,
+        vos_mem_copy(&pAssocRsp->tsmIE.tsid,
                 &ar.CCXTrafStrmMet.tsid,sizeof(tSirMacCCXTSMIE));
     }    
 #endif
@@ -2418,13 +2433,13 @@
 #ifdef WLAN_FEATURE_11AC
     if ( ar.VHTCaps.present )
     {
-        palCopyMemory( pMac, &pAssocRsp->VHTCaps, &ar.VHTCaps, sizeof( tDot11fIEVHTCaps ) );
+        vos_mem_copy( &pAssocRsp->VHTCaps, &ar.VHTCaps, sizeof( tDot11fIEVHTCaps ) );
         limLog( pMac, LOG1, FL("Received Assoc Response with VHT Cap"));
         limLogVHTCap(pMac, &pAssocRsp->VHTCaps);
     }
     if ( ar.VHTOperation.present )
     {
-        palCopyMemory( pMac, &pAssocRsp->VHTOperation, &ar.VHTOperation, sizeof( tDot11fIEVHTOperation) );
+        vos_mem_copy( &pAssocRsp->VHTOperation, &ar.VHTOperation, sizeof( tDot11fIEVHTOperation) );
         limLog( pMac, LOG1, FL("Received Assoc Response with VHT Operation"));
         limLogVHTOperation(pMac, &pAssocRsp->VHTOperation);
     }
@@ -2444,7 +2459,7 @@
     tANI_U32                   status;
 
     // Zero-init our [out] parameter,
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )pAssocReq, sizeof(tSirAssocReq) );
+    vos_mem_set( ( tANI_U8* )pAssocReq, sizeof(tSirAssocReq), 0 );
 
     // delegate to the framesc-generated code,
     status = dot11fUnpackReAssocRequest( pMac, pFrame, nFrame, &ar );
@@ -2548,13 +2563,14 @@
 
     if ( ar.HTCaps.present )
     {
-        palCopyMemory( pMac, &pAssocReq->HTCaps, &ar.HTCaps, sizeof( tDot11fIEHTCaps ) );
+        vos_mem_copy( &pAssocReq->HTCaps, &ar.HTCaps, sizeof( tDot11fIEHTCaps ) );
     }
 
     if ( ar.WMMInfoStation.present )
     {
         pAssocReq->wmeInfoPresent = 1;
-        palCopyMemory( pMac, &pAssocReq->WMMInfoStation, &ar.WMMInfoStation, sizeof( tDot11fIEWMMInfoStation ) );
+        vos_mem_copy( &pAssocReq->WMMInfoStation, &ar.WMMInfoStation,
+                      sizeof( tDot11fIEWMMInfoStation ) );
 
     }
 
@@ -2599,11 +2615,11 @@
 #ifdef WLAN_FEATURE_11AC
     if ( ar.VHTCaps.present )
     {
-        palCopyMemory( pMac, &pAssocReq->VHTCaps, &ar.VHTCaps, sizeof( tDot11fIEVHTCaps ) );
+        vos_mem_copy( &pAssocReq->VHTCaps, &ar.VHTCaps, sizeof( tDot11fIEVHTCaps ) );
     }
     if ( ar.OperatingMode.present )
     {
-        palCopyMemory( pMac, &pAssocReq->operMode, &ar.OperatingMode, sizeof( tDot11fIEOperatingMode  ) );
+        vos_mem_copy( &pAssocReq->operMode, &ar.OperatingMode, sizeof( tDot11fIEOperatingMode  ) );
         limLog( pMac, LOGW, FL("Received Assoc Req with Operating Mode IE\n"));
         limLogOperatingMode( pMac, &pAssocReq->operMode);
     }
@@ -2622,10 +2638,14 @@
     tANI_U32              status;
 
     // Zero-init our [out] parameter,
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )pBeaconStruct, sizeof(tSirProbeRespBeacon) );
+    vos_mem_set( ( tANI_U8* )pBeaconStruct, sizeof(tSirProbeRespBeacon), 0 );
 
-    status = palAllocateMemory(pMac->hHdd, (void **)&pBies, sizeof(tDot11fBeaconIEs));
-    if(!HAL_STATUS_SUCCESS(status))
+    pBies = vos_mem_malloc(sizeof(tDot11fBeaconIEs));
+    if ( NULL == pBies )
+        status = eHAL_STATUS_FAILURE;
+    else
+        status = eHAL_STATUS_SUCCESS;
+    if (!HAL_STATUS_SUCCESS(status))
     {
         limLog(pMac, LOGE, FL("Failed to allocate memory\n") );
         return eSIR_FAILURE;
@@ -2638,7 +2658,7 @@
         limLog(pMac, LOGE, FL("Failed to parse Beacon IEs (0x%08x, %d bytes):\n"),
                   status, nPayload);
         PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pPayload, nPayload);)
-        palFreeMemory(pMac->hHdd, pBies);
+        vos_mem_free(pBies);
         return eSIR_FAILURE;
     }
     else if ( DOT11F_WARNED( status ) )
@@ -2697,8 +2717,7 @@
     if(pBies->TPCReport.present)
     {
         pBeaconStruct->tpcReportPresent = 1;
-        palCopyMemory(pMac,
-                      &pBeaconStruct->tpcReport,
+        vos_mem_copy( &pBeaconStruct->tpcReport,
                       &pBies->TPCReport,
                       sizeof( tDot11fIETPCReport));
     }
@@ -2706,8 +2725,7 @@
     if(pBies->PowerConstraints.present)
     {
         pBeaconStruct->powerConstraintPresent = 1;
-        palCopyMemory(pMac,
-                      &pBeaconStruct->localPowerConstraint,
+        vos_mem_copy( &pBeaconStruct->localPowerConstraint,
                       &pBies->PowerConstraints,
                       sizeof(tDot11fIEPowerConstraints));
     }
@@ -2719,7 +2737,7 @@
     }
     if (pBies->QBSSLoad.present)
     {
-        palCopyMemory(pMac->hHdd, &pBeaconStruct->QBSSLoad, &pBies->QBSSLoad, sizeof(tDot11fIEQBSSLoad));
+        vos_mem_copy( &pBeaconStruct->QBSSLoad, &pBies->QBSSLoad, sizeof(tDot11fIEQBSSLoad));
     }
 #endif
 
@@ -2741,31 +2759,31 @@
     if ( pBies->ChanSwitchAnn.present )
     {
         pBeaconStruct->channelSwitchPresent = 1;
-        palCopyMemory(pMac->hHdd, &pBeaconStruct->channelSwitchIE, &pBies->ChanSwitchAnn,
+        vos_mem_copy( &pBeaconStruct->channelSwitchIE, &pBies->ChanSwitchAnn,
                       sizeof(tDot11fIEChanSwitchAnn));
     }
 
     if ( pBies->ExtChanSwitchAnn.present)
     {
         pBeaconStruct->extChannelSwitchPresent= 1;
-        palCopyMemory(pMac->hHdd, &pBeaconStruct->extChannelSwitchIE, &pBies->ExtChanSwitchAnn,
+        vos_mem_copy( &pBeaconStruct->extChannelSwitchIE, &pBies->ExtChanSwitchAnn,
                       sizeof(tDot11fIEExtChanSwitchAnn));
     }
 
     if ( pBies->Quiet.present )
     {
         pBeaconStruct->quietIEPresent = 1;
-        palCopyMemory( pMac, &pBeaconStruct->quietIE, &pBies->Quiet, sizeof(tDot11fIEQuiet) );
+        vos_mem_copy( &pBeaconStruct->quietIE, &pBies->Quiet, sizeof(tDot11fIEQuiet) );
     }
 
     if ( pBies->HTCaps.present )
     {
-        palCopyMemory( pMac, &pBeaconStruct->HTCaps, &pBies->HTCaps, sizeof( tDot11fIEHTCaps ) );
+        vos_mem_copy( &pBeaconStruct->HTCaps, &pBies->HTCaps, sizeof( tDot11fIEHTCaps ) );
     }
 
     if ( pBies->HTInfo.present )
     {
-        palCopyMemory( pMac, &pBeaconStruct->HTInfo, &pBies->HTInfo, sizeof( tDot11fIEHTInfo ) );
+        vos_mem_copy( &pBeaconStruct->HTInfo, &pBies->HTInfo, sizeof( tDot11fIEHTInfo ) );
     }
 
     if ( pBies->DSParams.present )
@@ -2816,27 +2834,30 @@
 #ifdef WLAN_FEATURE_11AC
     if ( pBies->VHTCaps.present )
     {
-        pBeaconStruct->VHTCaps.present = 1;
-        palCopyMemory( pMac, &pBeaconStruct->VHTCaps, &pBies->VHTCaps, sizeof( tDot11fIEVHTCaps ) );
+         pBeaconStruct->VHTCaps.present = 1;
+         vos_mem_copy( &pBeaconStruct->VHTCaps, &pBies->VHTCaps, sizeof( tDot11fIEVHTCaps ) );
     }
     if ( pBies->VHTOperation.present )
     {
          pBeaconStruct->VHTOperation.present = 1;
-         palCopyMemory( pMac, &pBeaconStruct->VHTOperation, &pBies->VHTOperation, sizeof( tDot11fIEVHTOperation) );
+         vos_mem_copy( &pBeaconStruct->VHTOperation, &pBies->VHTOperation,
+                       sizeof( tDot11fIEVHTOperation) );
     }
     if ( pBies->VHTExtBssLoad.present )
     {
          pBeaconStruct->VHTExtBssLoad.present = 1;
-         palCopyMemory( pMac, &pBeaconStruct->VHTExtBssLoad, &pBies->VHTExtBssLoad, sizeof( tDot11fIEVHTExtBssLoad) );
+         vos_mem_copy( &pBeaconStruct->VHTExtBssLoad, &pBies->VHTExtBssLoad,
+                       sizeof( tDot11fIEVHTExtBssLoad) );
     }
     if( pBies->OperatingMode.present)
     {
         pBeaconStruct->OperatingMode.present = 1;
-        palCopyMemory( pMac, &pBeaconStruct->OperatingMode, &pBies->OperatingMode, sizeof( tDot11fIEOperatingMode) );
+        vos_mem_copy( &pBeaconStruct->OperatingMode, &pBies->OperatingMode,
+                      sizeof( tDot11fIEOperatingMode) );
     }
 
 #endif
-    palFreeMemory(pMac->hHdd, pBies);
+    vos_mem_free(pBies);
 
 
     return eSIR_SUCCESS;
@@ -2862,19 +2883,23 @@
     rfBand = WDA_GET_RX_RFBAND( pFrame );
     
     // Zero-init our [out] parameter,
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )pBeaconStruct, sizeof(tSirProbeRespBeacon) );
-    
-    status = palAllocateMemory(pMac->hHdd, (void **)&pBeacon, sizeof(tDot11fBeacon));
-    if(!HAL_STATUS_SUCCESS(status))
+    vos_mem_set( ( tANI_U8* )pBeaconStruct, sizeof(tSirProbeRespBeacon), 0 );
+
+    pBeacon = vos_mem_malloc(sizeof(tDot11fBeacon));
+    if ( NULL == pBeacon )
+        status = eHAL_STATUS_FAILURE;
+    else
+        status = eHAL_STATUS_SUCCESS;
+    if (!HAL_STATUS_SUCCESS(status))
     {
         limLog(pMac, LOGE, FL("Failed to allocate memory\n") );
         return eSIR_FAILURE;
     }
 
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )pBeacon, sizeof(tDot11fBeacon) );
+    vos_mem_set( ( tANI_U8* )pBeacon, sizeof(tDot11fBeacon), 0 );
 
     // get the MAC address out of the BD,
-    palCopyMemory( pMac->hHdd, pBeaconStruct->bssid, pHdr->sa, 6 );
+    vos_mem_copy( pBeaconStruct->bssid, pHdr->sa, 6 );
 
     // delegate to the framesc-generated code,
     status = dot11fUnpackBeacon( pMac, pPayload, nPayload, pBeacon );
@@ -2883,7 +2908,7 @@
         limLog(pMac, LOGE, FL("Failed to parse Beacon IEs (0x%08x, %d bytes):\n"),
                   status, nPayload);
         PELOG2(sirDumpBuf(pMac, SIR_DBG_MODULE_ID, LOG2, pPayload, nPayload);)
-        palFreeMemory(pMac->hHdd, pBeacon);
+        vos_mem_free(pBeacon);
         return eSIR_FAILURE;
     }
     else if ( DOT11F_WARNED( status ) )
@@ -2895,7 +2920,8 @@
 
     // & "transliterate" from a 'tDot11fBeacon' to a 'tSirProbeRespBeacon'...
     // Timestamp
-    palCopyMemory( pMac->hHdd, ( tANI_U8* )pBeaconStruct->timeStamp, ( tANI_U8* )&pBeacon->TimeStamp, sizeof(tSirMacTimeStamp) );
+    vos_mem_copy( ( tANI_U8* )pBeaconStruct->timeStamp, ( tANI_U8* )&pBeacon->TimeStamp,
+                   sizeof(tSirMacTimeStamp) );
 
     // Beacon Interval
     pBeaconStruct->beaconInterval = pBeacon->BeaconInterval.interval;
@@ -2979,45 +3005,45 @@
     if ( pBeacon->ChanSwitchAnn.present )
     {
         pBeaconStruct->channelSwitchPresent = 1;
-        palCopyMemory( pMac, &pBeaconStruct->channelSwitchIE, &pBeacon->ChanSwitchAnn,
+        vos_mem_copy( &pBeaconStruct->channelSwitchIE, &pBeacon->ChanSwitchAnn,
                                                        sizeof(tDot11fIEChanSwitchAnn) );
     }
 
     if ( pBeacon->ExtChanSwitchAnn.present )
     {
         pBeaconStruct->extChannelSwitchPresent = 1;
-        palCopyMemory( pMac, &pBeaconStruct->extChannelSwitchIE, &pBeacon->ExtChanSwitchAnn,
+        vos_mem_copy( &pBeaconStruct->extChannelSwitchIE, &pBeacon->ExtChanSwitchAnn,
                                                        sizeof(tDot11fIEExtChanSwitchAnn) );
     }
 
     if( pBeacon->TPCReport.present)
     {
         pBeaconStruct->tpcReportPresent = 1;
-        palCopyMemory(pMac->hHdd, &pBeaconStruct->tpcReport, &pBeacon->TPCReport,
+        vos_mem_copy( &pBeaconStruct->tpcReport, &pBeacon->TPCReport,
                                                      sizeof(tDot11fIETPCReport));
     }
 
     if( pBeacon->PowerConstraints.present)
     {
         pBeaconStruct->powerConstraintPresent = 1;
-        palCopyMemory(pMac->hHdd, &pBeaconStruct->localPowerConstraint, &pBeacon->PowerConstraints,
+        vos_mem_copy( &pBeaconStruct->localPowerConstraint, &pBeacon->PowerConstraints,
                                                                sizeof(tDot11fIEPowerConstraints));
     }
 
     if ( pBeacon->Quiet.present )
     {
         pBeaconStruct->quietIEPresent = 1;
-        palCopyMemory( pMac, &pBeaconStruct->quietIE, &pBeacon->Quiet, sizeof(tDot11fIEQuiet));
+        vos_mem_copy( &pBeaconStruct->quietIE, &pBeacon->Quiet, sizeof(tDot11fIEQuiet));
     }
 
     if ( pBeacon->HTCaps.present )
     {
-        palCopyMemory( pMac, &pBeaconStruct->HTCaps, &pBeacon->HTCaps, sizeof( tDot11fIEHTCaps ) );
+        vos_mem_copy( &pBeaconStruct->HTCaps, &pBeacon->HTCaps, sizeof( tDot11fIEHTCaps ) );
     }
 
     if ( pBeacon->HTInfo.present )
     {
-        palCopyMemory( pMac, &pBeaconStruct->HTInfo, &pBeacon->HTInfo, sizeof( tDot11fIEHTInfo) );
+        vos_mem_copy( &pBeaconStruct->HTInfo, &pBeacon->HTInfo, sizeof( tDot11fIEHTInfo) );
 
     }
 
@@ -3091,7 +3117,8 @@
     {
         // MobilityDomain
         pBeaconStruct->mdiePresent = 1;
-        palCopyMemory( pMac->hHdd, (tANI_U8 *)&(pBeaconStruct->mdie[0]), (tANI_U8 *)&(pBeacon->MobilityDomain.MDID), sizeof(tANI_U16) );
+        vos_mem_copy( (tANI_U8 *)&(pBeaconStruct->mdie[0]),
+                      (tANI_U8 *)&(pBeacon->MobilityDomain.MDID), sizeof(tANI_U16) );
         pBeaconStruct->mdie[2] = ((pBeacon->MobilityDomain.overDSCap << 0) | (pBeacon->MobilityDomain.resourceReqCap << 1));
 
     }
@@ -3100,28 +3127,32 @@
 #ifdef WLAN_FEATURE_11AC
     if ( pBeacon->VHTCaps.present )
     {
-        palCopyMemory( pMac, &pBeaconStruct->VHTCaps, &pBeacon->VHTCaps, sizeof( tDot11fIEVHTCaps ) );
+        vos_mem_copy( &pBeaconStruct->VHTCaps, &pBeacon->VHTCaps, sizeof( tDot11fIEVHTCaps ) );
     }
     if ( pBeacon->VHTOperation.present )
     {
-        palCopyMemory( pMac, &pBeaconStruct->VHTOperation, &pBeacon->VHTOperation, sizeof( tDot11fIEVHTOperation) );
+        vos_mem_copy( &pBeaconStruct->VHTOperation, &pBeacon->VHTOperation,
+                      sizeof( tDot11fIEVHTOperation) );
     }
     if ( pBeacon->VHTExtBssLoad.present )
     {
-        palCopyMemory( pMac, &pBeaconStruct->VHTExtBssLoad, &pBeacon->VHTExtBssLoad, sizeof( tDot11fIEVHTExtBssLoad) );
+        vos_mem_copy( &pBeaconStruct->VHTExtBssLoad, &pBeacon->VHTExtBssLoad,
+                      sizeof( tDot11fIEVHTExtBssLoad) );
     }
     if(pBeacon->OperatingMode.present)
     {
-        palCopyMemory( pMac, &pBeaconStruct->OperatingMode, &pBeacon->OperatingMode, sizeof( tDot11fIEOperatingMode) );
+        vos_mem_copy( &pBeaconStruct->OperatingMode, &pBeacon->OperatingMode,
+                      sizeof( tDot11fIEOperatingMode) );
     }
     if(pBeacon->WiderBWChanSwitchAnn.present)
     {
         pBeaconStruct->WiderBWChanSwitchAnnPresent = 1;
-        palCopyMemory( pMac, &pBeaconStruct->WiderBWChanSwitchAnn, &pBeacon->WiderBWChanSwitchAnn, sizeof( tDot11fIEWiderBWChanSwitchAnn));
+        vos_mem_copy( &pBeaconStruct->WiderBWChanSwitchAnn, &pBeacon->WiderBWChanSwitchAnn,
+                      sizeof( tDot11fIEWiderBWChanSwitchAnn));
     }      
 #endif
 
-    palFreeMemory(pMac->hHdd, pBeacon);
+    vos_mem_free(pBeacon);
     return eSIR_SUCCESS;
 
 } // End sirConvertBeaconFrame2Struct.
@@ -3136,7 +3167,7 @@
     tANI_U32                   status;
 
     // Zero-init our [out] parameter,
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )pAuth, sizeof(tSirMacAuthFrameBody) );
+    vos_mem_set( ( tANI_U8* )pAuth, sizeof(tSirMacAuthFrameBody), 0 );
 
     // delegate to the framesc-generated code,
     status = dot11fUnpackAuthentication( pMac, pFrame, nFrame, &auth );
@@ -3163,7 +3194,7 @@
     {
         pAuth->type   = SIR_MAC_CHALLENGE_TEXT_EID;
         pAuth->length = auth.ChallengeText.num_text;
-        palCopyMemory( pMac->hHdd, pAuth->challengeText, auth.ChallengeText.text, auth.ChallengeText.num_text );
+        vos_mem_copy( pAuth->challengeText, auth.ChallengeText.text, auth.ChallengeText.num_text );
     }
 
     return eSIR_SUCCESS;
@@ -3192,7 +3223,7 @@
     }
 
     // Zero-init our [out] parameter,
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )pAddTs, sizeof(tSirAddtsReqInfo) );
+    vos_mem_set( ( tANI_U8* )pAddTs, sizeof(tSirAddtsReqInfo), 0 );
 
     // delegate to the framesc-generated code,
     switch ( *pFrame )
@@ -3340,9 +3371,9 @@
     }
 
     // Zero-init our [out] parameter,
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )pAddTs, sizeof(tSirAddtsRspInfo) );
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )&addts, sizeof(tDot11fAddTSResponse) );
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )&wmmaddts, sizeof(tDot11fWMMAddTSResponse) );
+    vos_mem_set( ( tANI_U8* )pAddTs, sizeof(tSirAddtsRspInfo), 0 );
+    vos_mem_set( ( tANI_U8* )&addts, sizeof(tDot11fAddTSResponse), 0 );
+    vos_mem_set( ( tANI_U8* )&wmmaddts, sizeof(tDot11fWMMAddTSResponse), 0 );
 
 
     // delegate to the framesc-generated code,
@@ -3430,7 +3461,7 @@
         if(addts.CCXTrafStrmMet.present)
         {
             pAddTs->tsmPresent = 1;
-            palCopyMemory(pMac->hHdd,&pAddTs->tsmIE.tsid,
+            vos_mem_copy(&pAddTs->tsmIE.tsid,
                       &addts.CCXTrafStrmMet.tsid,sizeof(tSirMacCCXTSMIE));
         }
 #endif
@@ -3500,7 +3531,7 @@
         if(wmmaddts.CCXTrafStrmMet.present)
         {
             pAddTs->tsmPresent = 1;
-            palCopyMemory(pMac->hHdd,&pAddTs->tsmIE.tsid,
+            vos_mem_copy(&pAddTs->tsmIE.tsid,
                          &wmmaddts.CCXTrafStrmMet.tsid,sizeof(tSirMacCCXTSMIE));
         }
 #endif
@@ -3531,7 +3562,7 @@
     }
 
     // Zero-init our [out] parameter,
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )pDelTs, sizeof(tSirDeltsReqInfo) );
+    vos_mem_set( ( tANI_U8* )pDelTs, sizeof(tSirDeltsReqInfo), 0 );
 
     // delegate to the framesc-generated code,
     switch ( *pFrame )
@@ -3612,7 +3643,7 @@
     tANI_U32                   status;
 
     // Zero-init our [out] parameter,
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )pTpcReqFrame, sizeof(tSirMacTpcReqActionFrame) );
+    vos_mem_set( ( tANI_U8* )pTpcReqFrame, sizeof(tSirMacTpcReqActionFrame), 0 );
 
     // delegate to the framesc-generated code,
     status = dot11fUnpackTPCRequest( pMac, pFrame, nFrame, &req );
@@ -3661,7 +3692,7 @@
     tANI_U32                       status;
 
     // Zero-init our [out] parameter,
-    palZeroMemory( pMac->hHdd, ( tANI_U8* )pMeasReqFrame, sizeof(tpSirMacMeasReqActionFrame) );
+    vos_mem_set( ( tANI_U8* )pMeasReqFrame, sizeof(tpSirMacMeasReqActionFrame), 0 );
 
     // delegate to the framesc-generated code,
     status = dot11fUnpackMeasurementRequest( pMac, pFrame, nFrame, &mr );
@@ -3706,7 +3737,7 @@
 
     pMeasReqFrame->measReqIE.measReqField.channelNumber = mr.MeasurementRequest[0].channel_no;
 
-    palCopyMemory( pMac->hHdd, pMeasReqFrame->measReqIE.measReqField.measStartTime,
+    vos_mem_copy(  pMeasReqFrame->measReqIE.measReqField.measStartTime,
                    mr.MeasurementRequest[0].meas_start_time, 8 );
 
     pMeasReqFrame->measReqIE.measReqField.measDuration = mr.MeasurementRequest[0].meas_duration;
@@ -3799,7 +3830,7 @@
                                tANI_U8 rate_length)
 {
     pDot11f->tsid = pOld->tsid;
-    palCopyMemory(pMac->hHdd,pDot11f->tsrates, pOld->rates,rate_length);
+    vos_mem_copy(pDot11f->tsrates, pOld->rates,rate_length);
     pDot11f->num_tsrates = rate_length;
     pDot11f->present = 1;
 }
@@ -3818,22 +3849,22 @@
     switch ( pDot11f->classifier_type )
     {
     case SIR_MAC_TCLASTYPE_ETHERNET:
-        palCopyMemory( pMac->hHdd, ( tANI_U8* )&pDot11f->info.EthParams.source,
-                       ( tANI_U8* )&pOld->tclasParams.eth.srcAddr, 6 );
-        palCopyMemory( pMac->hHdd, ( tANI_U8* )&pDot11f->info.EthParams.dest,
-                       ( tANI_U8* )&pOld->tclasParams.eth.dstAddr, 6 );
+        vos_mem_copy( ( tANI_U8* )&pDot11f->info.EthParams.source,
+                      ( tANI_U8* )&pOld->tclasParams.eth.srcAddr, 6 );
+        vos_mem_copy( ( tANI_U8* )&pDot11f->info.EthParams.dest,
+                      ( tANI_U8* )&pOld->tclasParams.eth.dstAddr, 6 );
         pDot11f->info.EthParams.type = pOld->tclasParams.eth.type;
         break;
     case SIR_MAC_TCLASTYPE_TCPUDPIP:
         pDot11f->info.IpParams.version = pOld->version;
         if ( SIR_MAC_TCLAS_IPV4 == pDot11f->info.IpParams.version )
         {
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )&pDot11f->info.IpParams.params.
-                           IpV4Params.source,
-                           ( tANI_U8* )pOld->tclasParams.ipv4.srcIpAddr, 4 );
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )&pDot11f->info.IpParams.params.
-                           IpV4Params.dest,
-                           ( tANI_U8* )pOld->tclasParams.ipv4.dstIpAddr, 4 );
+            vos_mem_copy( ( tANI_U8* )&pDot11f->info.IpParams.params.
+                          IpV4Params.source,
+                          ( tANI_U8* )pOld->tclasParams.ipv4.srcIpAddr, 4 );
+            vos_mem_copy( ( tANI_U8* )&pDot11f->info.IpParams.params.
+                          IpV4Params.dest,
+                          ( tANI_U8* )pOld->tclasParams.ipv4.dstIpAddr, 4 );
             pDot11f->info.IpParams.params.IpV4Params.src_port  =
               pOld->tclasParams.ipv4.srcPort;
             pDot11f->info.IpParams.params.IpV4Params.dest_port =
@@ -3847,17 +3878,17 @@
         }
         else
         {
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )&pDot11f->info.IpParams.params.
+            vos_mem_copy(  ( tANI_U8* )&pDot11f->info.IpParams.params.
                            IpV6Params.source,
                            ( tANI_U8* )pOld->tclasParams.ipv6.srcIpAddr, 16 );
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )&pDot11f->info.IpParams.params.
+            vos_mem_copy(  ( tANI_U8* )&pDot11f->info.IpParams.params.
                            IpV6Params.dest,
                            ( tANI_U8* )pOld->tclasParams.ipv6.dstIpAddr, 16 );
             pDot11f->info.IpParams.params.IpV6Params.src_port  =
               pOld->tclasParams.ipv6.srcPort;
             pDot11f->info.IpParams.params.IpV6Params.dest_port =
               pOld->tclasParams.ipv6.dstPort;
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )&pDot11f->info.IpParams.params.
+            vos_mem_copy(  ( tANI_U8* )&pDot11f->info.IpParams.params.
                            IpV6Params.flow_label,
                            ( tANI_U8* )pOld->tclasParams.ipv6.flowLabel, 3 );
         }
@@ -3890,9 +3921,9 @@
     switch ( pDot11f->classifier_type )
     {
     case SIR_MAC_TCLASTYPE_ETHERNET:
-        palCopyMemory( pMac->hHdd, ( tANI_U8* )&pDot11f->info.EthParams.source,
+        vos_mem_copy(  ( tANI_U8* )&pDot11f->info.EthParams.source,
                        ( tANI_U8* )&pOld->tclasParams.eth.srcAddr, 6 );
-        palCopyMemory( pMac->hHdd, ( tANI_U8* )&pDot11f->info.EthParams.dest,
+        vos_mem_copy(  ( tANI_U8* )&pDot11f->info.EthParams.dest,
                        ( tANI_U8* )&pOld->tclasParams.eth.dstAddr, 6 );
         pDot11f->info.EthParams.type = pOld->tclasParams.eth.type;
         break;
@@ -3900,10 +3931,10 @@
         pDot11f->info.IpParams.version = pOld->version;
         if ( SIR_MAC_TCLAS_IPV4 == pDot11f->info.IpParams.version )
         {
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )&pDot11f->info.IpParams.params.
+            vos_mem_copy(  ( tANI_U8* )&pDot11f->info.IpParams.params.
                            IpV4Params.source,
                            ( tANI_U8* )pOld->tclasParams.ipv4.srcIpAddr, 4 );
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )&pDot11f->info.IpParams.params.
+            vos_mem_copy(  ( tANI_U8* )&pDot11f->info.IpParams.params.
                            IpV4Params.dest,
                            ( tANI_U8* )pOld->tclasParams.ipv4.dstIpAddr, 4 );
             pDot11f->info.IpParams.params.IpV4Params.src_port  =
@@ -3919,17 +3950,17 @@
         }
         else
         {
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )&pDot11f->info.IpParams.params.
+            vos_mem_copy( ( tANI_U8* )&pDot11f->info.IpParams.params.
                            IpV6Params.source,
                            ( tANI_U8* )pOld->tclasParams.ipv6.srcIpAddr, 16 );
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )&pDot11f->info.IpParams.params.
+            vos_mem_copy(  ( tANI_U8* )&pDot11f->info.IpParams.params.
                            IpV6Params.dest,
                            ( tANI_U8* )pOld->tclasParams.ipv6.dstIpAddr, 16 );
             pDot11f->info.IpParams.params.IpV6Params.src_port  =
               pOld->tclasParams.ipv6.srcPort;
             pDot11f->info.IpParams.params.IpV6Params.dest_port =
               pOld->tclasParams.ipv6.dstPort;
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )&pDot11f->info.IpParams.params.
+            vos_mem_copy(  ( tANI_U8* )&pDot11f->info.IpParams.params.
                            IpV6Params.flow_label,
                            ( tANI_U8* )pOld->tclasParams.ipv6.flowLabel, 3 );
         }
@@ -4092,7 +4123,7 @@
     if(pSirWPSProbeRspIE->FieldPresent & SIR_WPS_PROBRSP_UUIDE_PRESENT)
     {
         pDot11f->UUID_E.present = 1;
-        palCopyMemory(pMac->hHdd, pDot11f->UUID_E.uuid, pSirWPSProbeRspIE->UUID_E, WNI_CFG_WPS_UUID_LEN);
+        vos_mem_copy(pDot11f->UUID_E.uuid, pSirWPSProbeRspIE->UUID_E, WNI_CFG_WPS_UUID_LEN);
     }
     else
         pDot11f->UUID_E.present = 0;
@@ -4101,7 +4132,8 @@
     {
         pDot11f->Manufacturer.present = 1;
         pDot11f->Manufacturer.num_name = pSirWPSProbeRspIE->Manufacture.num_name;
-        palCopyMemory(pMac->hHdd, pDot11f->Manufacturer.name, pSirWPSProbeRspIE->Manufacture.name, pSirWPSProbeRspIE->Manufacture.num_name);
+        vos_mem_copy(pDot11f->Manufacturer.name, pSirWPSProbeRspIE->Manufacture.name,
+                     pSirWPSProbeRspIE->Manufacture.num_name);
     } 
     else
         pDot11f->Manufacturer.present = 0;
@@ -4110,7 +4142,8 @@
     {
         pDot11f->ModelName.present = 1;
         pDot11f->ModelName.num_text = pSirWPSProbeRspIE->ModelName.num_text;
-        palCopyMemory(pMac->hHdd, pDot11f->ModelName.text, pSirWPSProbeRspIE->ModelName.text, pDot11f->ModelName.num_text);
+        vos_mem_copy(pDot11f->ModelName.text, pSirWPSProbeRspIE->ModelName.text,
+                     pDot11f->ModelName.num_text);
     }
     else
       pDot11f->ModelName.present = 0;
@@ -4119,7 +4152,8 @@
     {
         pDot11f->ModelNumber.present = 1;
         pDot11f->ModelNumber.num_text = pSirWPSProbeRspIE->ModelNumber.num_text;
-        palCopyMemory(pMac->hHdd, pDot11f->ModelNumber.text, pSirWPSProbeRspIE->ModelNumber.text, pDot11f->ModelNumber.num_text);
+        vos_mem_copy(pDot11f->ModelNumber.text, pSirWPSProbeRspIE->ModelNumber.text,
+                     pDot11f->ModelNumber.num_text);
     }
     else
         pDot11f->ModelNumber.present = 0;
@@ -4128,7 +4162,8 @@
     {
         pDot11f->SerialNumber.present = 1;
         pDot11f->SerialNumber.num_text = pSirWPSProbeRspIE->SerialNumber.num_text;
-        palCopyMemory(pMac->hHdd, pDot11f->SerialNumber.text, pSirWPSProbeRspIE->SerialNumber.text, pDot11f->SerialNumber.num_text);
+        vos_mem_copy(pDot11f->SerialNumber.text, pSirWPSProbeRspIE->SerialNumber.text,
+                     pDot11f->SerialNumber.num_text);
     }
     else
         pDot11f->SerialNumber.present = 0;
@@ -4136,7 +4171,8 @@
     if(pSirWPSProbeRspIE->FieldPresent & SIR_WPS_PROBRSP_PRIMARYDEVICETYPE_PRESENT)
     {
         pDot11f->PrimaryDeviceType.present = 1;
-        palCopyMemory(pMac->hHdd, pDot11f->PrimaryDeviceType.oui, pSirWPSProbeRspIE->PrimaryDeviceOUI, sizeof(pSirWPSProbeRspIE->PrimaryDeviceOUI)); 
+        vos_mem_copy(pDot11f->PrimaryDeviceType.oui, pSirWPSProbeRspIE->PrimaryDeviceOUI,
+                     sizeof(pSirWPSProbeRspIE->PrimaryDeviceOUI));
         pDot11f->PrimaryDeviceType.primary_category = (tANI_U16)pSirWPSProbeRspIE->PrimaryDeviceCategory;
         pDot11f->PrimaryDeviceType.sub_category = (tANI_U16)pSirWPSProbeRspIE->DeviceSubCategory;
     }
@@ -4147,7 +4183,8 @@
     {
         pDot11f->DeviceName.present = 1;
         pDot11f->DeviceName.num_text = pSirWPSProbeRspIE->DeviceName.num_text;
-        palCopyMemory(pMac->hHdd, pDot11f->DeviceName.text, pSirWPSProbeRspIE->DeviceName.text, pDot11f->DeviceName.num_text);
+        vos_mem_copy(pDot11f->DeviceName.text, pSirWPSProbeRspIE->DeviceName.text,
+                     pDot11f->DeviceName.num_text);
     }
     else
         pDot11f->DeviceName.present = 0;
@@ -4266,7 +4303,7 @@
     if(pSirWPSBeaconIE->FieldPresent & SIR_WPS_BEACON_UUIDE_PRESENT)
     {
         pDot11f->UUID_E.present = 1;
-        palCopyMemory(pMac->hHdd, pDot11f->UUID_E.uuid, pSirWPSBeaconIE->UUID_E, WNI_CFG_WPS_UUID_LEN);
+        vos_mem_copy(pDot11f->UUID_E.uuid, pSirWPSBeaconIE->UUID_E, WNI_CFG_WPS_UUID_LEN);
     }
     else
         pDot11f->UUID_E.present = 0;
@@ -4580,20 +4617,22 @@
 
      pDot11f->report.Beacon.regClass = pBeaconReport->regClass;
      pDot11f->report.Beacon.channel = pBeaconReport->channel;
-     palCopyMemory( pMac->hHdd, pDot11f->report.Beacon.meas_start_time, pBeaconReport->measStartTime, sizeof(pDot11f->report.Beacon.meas_start_time) );
+     vos_mem_copy( pDot11f->report.Beacon.meas_start_time, pBeaconReport->measStartTime,
+                   sizeof(pDot11f->report.Beacon.meas_start_time) );
      pDot11f->report.Beacon.meas_duration = pBeaconReport->measDuration;
      pDot11f->report.Beacon.condensed_PHY = pBeaconReport->phyType;
      pDot11f->report.Beacon.reported_frame_type = !pBeaconReport->bcnProbeRsp;
      pDot11f->report.Beacon.RCPI = pBeaconReport->rcpi;
      pDot11f->report.Beacon.RSNI = pBeaconReport->rsni;
-     palCopyMemory( pMac->hHdd, pDot11f->report.Beacon.BSSID, pBeaconReport->bssid, sizeof(tSirMacAddr));
+     vos_mem_copy( pDot11f->report.Beacon.BSSID, pBeaconReport->bssid, sizeof(tSirMacAddr));
      pDot11f->report.Beacon.antenna_id = pBeaconReport->antennaId;
      pDot11f->report.Beacon.parent_TSF = pBeaconReport->parentTSF;
 
      if( pBeaconReport->numIes )
      {
           pDot11f->report.Beacon.BeaconReportFrmBody.present = 1;
-          palCopyMemory( pMac->hHdd, pDot11f->report.Beacon.BeaconReportFrmBody.reportedFields, pBeaconReport->Ies, pBeaconReport->numIes );
+          vos_mem_copy( pDot11f->report.Beacon.BeaconReportFrmBody.reportedFields,
+                        pBeaconReport->Ies, pBeaconReport->numIes );
           pDot11f->report.Beacon.BeaconReportFrmBody.num_reportedFields = pBeaconReport->numIes;
      }
 
diff --git a/CORE/SYS/legacy/src/utils/src/utilsParser.c b/CORE/SYS/legacy/src/utils/src/utilsParser.c
index d658e19..d8ac7c6 100644
--- a/CORE/SYS/legacy/src/utils/src/utilsParser.c
+++ b/CORE/SYS/legacy/src/utils/src/utilsParser.c
@@ -60,7 +60,7 @@
                        tDot11fIESSID    *pNew)
 {
     pOld->length = pNew->num_ssid;
-    palCopyMemory( pMac->hHdd, pOld->ssId, pNew->ssid, pNew->num_ssid );
+    vos_mem_copy( pOld->ssId, pNew->ssid, pNew->num_ssid );
 }
 
 void ConvertSuppRates(tpAniSirGlobal   pMac,
@@ -68,7 +68,7 @@
                             tDot11fIESuppRates *pNew)
 {
     pOld->numRates = pNew->num_rates;
-    palCopyMemory( pMac->hHdd, pOld->rate, pNew->rates, pNew->num_rates );
+    vos_mem_copy( pOld->rate, pNew->rates, pNew->num_rates );
 }
 
 void ConvertExtSuppRates(tpAniSirGlobal      pMac,
@@ -76,7 +76,7 @@
                                tDot11fIEExtSuppRates *pNew)
 {
     pOld->numRates = pNew->num_rates;
-    palCopyMemory( pMac->hHdd, pOld->rate, pNew->rates, pNew->num_rates );
+    vos_mem_copy(  pOld->rate, pNew->rates, pNew->num_rates );
 }
 
 
@@ -124,7 +124,7 @@
     }
 
     pOld->length = (tANI_U8)written - 2;
-    palCopyMemory( pMac->hHdd, pOld->info, buffer + 2, pOld->length );
+    vos_mem_copy( pOld->info, buffer + 2, pOld->length );
 
     return eSIR_SUCCESS;
 }
@@ -140,7 +140,7 @@
     pOld->info[ 1 ] = 0x50;
     pOld->info[ 2 ] = 0xf2;
     pOld->info[ 3 ] = 0x01;
-    palCopyMemory( pMac->hHdd, pOld->info + 4, pNew->data, pNew->num_data );
+    vos_mem_copy( pOld->info + 4, pNew->data, pNew->num_data );
 
     return eSIR_SUCCESS;
 }
@@ -160,7 +160,7 @@
     pOld->addIEdata[ curAddIELen++ ] = 0x50;
     pOld->addIEdata[ curAddIELen++ ] = 0xf2;
     pOld->addIEdata[ curAddIELen++ ] = 0x04;
-    palCopyMemory( pMac->hHdd, pOld->addIEdata + curAddIELen, pNew->data, pNew->num_data );
+    vos_mem_copy( pOld->addIEdata + curAddIELen, pNew->data, pNew->num_data );
 
     return eSIR_SUCCESS;
 }
@@ -180,7 +180,7 @@
     pOld->addIEdata[ curAddIELen++ ] = 0x6f;
     pOld->addIEdata[ curAddIELen++ ] = 0x9A;
     pOld->addIEdata[ curAddIELen++ ] = 0x09;
-    palCopyMemory( pMac->hHdd, pOld->addIEdata + curAddIELen, pNew->data, pNew->num_data );
+    vos_mem_copy( pOld->addIEdata + curAddIELen, pNew->data, pNew->num_data );
 
     return eSIR_SUCCESS;
 }
@@ -201,7 +201,7 @@
     pOld->addIEdata[ curAddIELen++ ] = 0x6f;
     pOld->addIEdata[ curAddIELen++ ] = 0x9A;
     pOld->addIEdata[ curAddIELen++ ] = 0x0a;
-    palCopyMemory( pMac->hHdd, pOld->addIEdata + curAddIELen, pNew->data, pNew->num_data );
+    vos_mem_copy( pOld->addIEdata + curAddIELen, pNew->data, pNew->num_data );
 
     return eSIR_SUCCESS;
 }
@@ -222,7 +222,7 @@
     }
 
     pOld->length = (tANI_U8)written - 2;
-    palCopyMemory( pMac->hHdd, pOld->info, buffer + 2, pOld->length );
+    vos_mem_copy( pOld->info, buffer + 2, pOld->length );
 
     return eSIR_SUCCESS;
 }
@@ -234,7 +234,7 @@
     // This is awful, I know, but the old code just rammed the IE into
     // an opaque array.
     pOld->length = pNew->num_data;
-    palCopyMemory( pMac->hHdd, pOld->info, pNew->data, pOld->length );
+    vos_mem_copy( pOld->info, pNew->data, pOld->length );
 
     return eSIR_SUCCESS;
 }
@@ -255,7 +255,7 @@
 {
     pOld->type   = 36;
     pOld->length = ( pNew->num_bands * 2 );
-    palCopyMemory( pMac->hHdd, ( tANI_U8* )pOld->supportedChannels, ( tANI_U8* )pNew->bands, pOld->length );
+    vos_mem_copy( ( tANI_U8* )pOld->supportedChannels, ( tANI_U8* )pNew->bands, pOld->length );
 }
 
 void ConvertCFParams(tpAniSirGlobal     pMac,
@@ -277,7 +277,7 @@
     pOld->bitmapControl = pNew->bmpctl;
     pOld->bitmapLength  = pNew->num_vbmp;
 
-    palCopyMemory( pMac->hHdd, pOld->bitmap, pNew->vbmp, pNew->num_vbmp );
+    vos_mem_copy( pOld->bitmap, pNew->vbmp, pNew->num_vbmp );
 }
 
 void ConvertCountry(tpAniSirGlobal          pMac,
@@ -286,7 +286,7 @@
 {
     int i;
 
-    palCopyMemory( pMac->hHdd, pOld->countryString, pNew->country, COUNTRY_STRING_LENGTH );
+    vos_mem_copy( pOld->countryString, pNew->country, COUNTRY_STRING_LENGTH );
 
     pOld->numIntervals = pNew->num_triplets;
 
@@ -305,7 +305,7 @@
     pOld->type = 221;
     pOld->length = 24;
 
-    palCopyMemory( pMac->hHdd, ( tANI_U8* )&pOld->qosInfo, ( tANI_U8* )&pNew->qosInfo, 1 );
+    vos_mem_copy( ( tANI_U8* )&pOld->qosInfo, ( tANI_U8* )&pNew->qosInfo, 1 );
 
     pOld->acbe.aci.aifsn  = pNew->acbe_aifsn;
     pOld->acbe.aci.acm    = pNew->acbe_acm;
@@ -352,7 +352,7 @@
     pOld->type   = 12;
     pOld->length = 20;
 
-    palCopyMemory( pMac->hHdd, ( tANI_U8* )&pOld->qosInfo, ( tANI_U8* )&pNew->qos, 1 );
+    vos_mem_copy( ( tANI_U8* )&pOld->qosInfo, ( tANI_U8* )&pNew->qos, 1 );
 
     pOld->acbe.aci.aifsn  = pNew->acbe_aifsn;
     pOld->acbe.aci.acm    = pNew->acbe_acm;
@@ -436,8 +436,8 @@
     switch ( pNew->classifier_type )
     {
     case 0:
-        palCopyMemory( pMac->hHdd, pOld->tclasParams.eth.srcAddr, pNew->info.EthParams.source, 6 );
-        palCopyMemory( pMac->hHdd, pOld->tclasParams.eth.dstAddr, pNew->info.EthParams.dest, 6 );
+        vos_mem_copy( pOld->tclasParams.eth.srcAddr, pNew->info.EthParams.source, 6 );
+        vos_mem_copy( pOld->tclasParams.eth.dstAddr, pNew->info.EthParams.dest, 6 );
         pOld->tclasParams.eth.type = pNew->info.EthParams.type;
         break;
     case 1:
@@ -445,8 +445,10 @@
         if ( 4 == pNew->info.IpParams.version )
         {
             pOld->tclasParams.ipv4.version = 4;
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )&pOld->tclasParams.ipv4.srcIpAddr, ( tANI_U8* )pNew->info.IpParams.params.IpV4Params.source, 4 );
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )&pOld->tclasParams.ipv4.dstIpAddr, ( tANI_U8* )pNew->info.IpParams.params.IpV4Params.dest, 4 );
+            vos_mem_copy( ( tANI_U8* )&pOld->tclasParams.ipv4.srcIpAddr,
+                          ( tANI_U8* )pNew->info.IpParams.params.IpV4Params.source, 4 );
+            vos_mem_copy( ( tANI_U8* )&pOld->tclasParams.ipv4.dstIpAddr,
+                          ( tANI_U8* )pNew->info.IpParams.params.IpV4Params.dest, 4 );
             pOld->tclasParams.ipv4.srcPort  = pNew->info.IpParams.params.IpV4Params.src_port;
             pOld->tclasParams.ipv4.dstPort  = pNew->info.IpParams.params.IpV4Params.dest_port;
             pOld->tclasParams.ipv4.dscp     = pNew->info.IpParams.params.IpV4Params.DSCP;
@@ -456,11 +458,14 @@
         else if ( 6 == pNew->info.IpParams.version )
         {
             pOld->tclasParams.ipv6.version = 6;
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )pOld->tclasParams.ipv6.srcIpAddr, ( tANI_U8* )pNew->info.IpParams.params.IpV6Params.source, 16 );
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )pOld->tclasParams.ipv6.dstIpAddr, ( tANI_U8* )pNew->info.IpParams.params.IpV6Params.dest, 16 );
+            vos_mem_copy( ( tANI_U8* )pOld->tclasParams.ipv6.srcIpAddr,
+                          ( tANI_U8* )pNew->info.IpParams.params.IpV6Params.source, 16 );
+            vos_mem_copy( ( tANI_U8* )pOld->tclasParams.ipv6.dstIpAddr,
+                          ( tANI_U8* )pNew->info.IpParams.params.IpV6Params.dest, 16 );
             pOld->tclasParams.ipv6.srcPort  = pNew->info.IpParams.params.IpV6Params.src_port;
             pOld->tclasParams.ipv6.dstPort  = pNew->info.IpParams.params.IpV6Params.dest_port;
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )pOld->tclasParams.ipv6.flowLabel, ( tANI_U8* )pNew->info.IpParams.params.IpV6Params.flow_label, 3 );
+            vos_mem_copy( ( tANI_U8* )pOld->tclasParams.ipv6.flowLabel,
+                          ( tANI_U8* )pNew->info.IpParams.params.IpV6Params.flow_label, 3 );
         }
         else
         {
@@ -526,8 +531,8 @@
     switch ( pNew->classifier_type )
     {
     case 0:
-        palCopyMemory( pMac->hHdd, pOld->tclasParams.eth.srcAddr, pNew->info.EthParams.source, 6 );
-        palCopyMemory( pMac->hHdd, pOld->tclasParams.eth.dstAddr, pNew->info.EthParams.dest, 6 );
+        vos_mem_copy(  pOld->tclasParams.eth.srcAddr, pNew->info.EthParams.source, 6 );
+        vos_mem_copy( pOld->tclasParams.eth.dstAddr, pNew->info.EthParams.dest, 6 );
         pOld->tclasParams.eth.type = pNew->info.EthParams.type;
         break;
     case 1:
@@ -535,8 +540,10 @@
         if ( 4 == pNew->info.IpParams.version )
         {
             pOld->tclasParams.ipv4.version = 4;
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )&pOld->tclasParams.ipv4.srcIpAddr, ( tANI_U8* )pNew->info.IpParams.params.IpV4Params.source, 4 );
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )&pOld->tclasParams.ipv4.dstIpAddr, ( tANI_U8* )pNew->info.IpParams.params.IpV4Params.dest, 4 );
+            vos_mem_copy( ( tANI_U8* )&pOld->tclasParams.ipv4.srcIpAddr,
+                          ( tANI_U8* )pNew->info.IpParams.params.IpV4Params.source, 4 );
+            vos_mem_copy( ( tANI_U8* )&pOld->tclasParams.ipv4.dstIpAddr,
+                          ( tANI_U8* )pNew->info.IpParams.params.IpV4Params.dest, 4 );
             pOld->tclasParams.ipv4.srcPort  = pNew->info.IpParams.params.IpV4Params.src_port;
             pOld->tclasParams.ipv4.dstPort  = pNew->info.IpParams.params.IpV4Params.dest_port;
             pOld->tclasParams.ipv4.dscp     = pNew->info.IpParams.params.IpV4Params.DSCP;
@@ -546,11 +553,14 @@
         else if ( 6 == pNew->info.IpParams.version )
         {
             pOld->tclasParams.ipv6.version = 6;
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )pOld->tclasParams.ipv6.srcIpAddr, ( tANI_U8* )pNew->info.IpParams.params.IpV6Params.source, 16 );
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )pOld->tclasParams.ipv6.dstIpAddr, ( tANI_U8* )pNew->info.IpParams.params.IpV6Params.dest, 16 );
+            vos_mem_copy( ( tANI_U8* )pOld->tclasParams.ipv6.srcIpAddr,
+                          ( tANI_U8* )pNew->info.IpParams.params.IpV6Params.source, 16 );
+            vos_mem_copy( ( tANI_U8* )pOld->tclasParams.ipv6.dstIpAddr,
+                          ( tANI_U8* )pNew->info.IpParams.params.IpV6Params.dest, 16 );
             pOld->tclasParams.ipv6.srcPort  = pNew->info.IpParams.params.IpV6Params.src_port;
             pOld->tclasParams.ipv6.dstPort  = pNew->info.IpParams.params.IpV6Params.dest_port;
-            palCopyMemory( pMac->hHdd, ( tANI_U8* )pOld->tclasParams.ipv6.flowLabel, ( tANI_U8* )pNew->info.IpParams.params.IpV6Params.flow_label, 3 );
+            vos_mem_copy( ( tANI_U8* )pOld->tclasParams.ipv6.flowLabel,
+                          ( tANI_U8* )pNew->info.IpParams.params.IpV6Params.flow_label, 3 );
         }
         else
         {
@@ -651,11 +661,11 @@
     macMgmtHdr->seqControl.fragNum = 0;
     macMgmtHdr->seqControl.seqNumLo = 0;
     macMgmtHdr->seqControl.seqNumHi = 2;
-    palCopyMemory(pMac->hHdd, (void *)&macMgmtHdr->da,
+    vos_mem_copy( (void *)&macMgmtHdr->da,
                               (void *)bssid, sizeof(tSirMacAddr));
-    palCopyMemory(pMac->hHdd, (void *)&macMgmtHdr->sa,
+    vos_mem_copy( (void *)&macMgmtHdr->sa,
                               (void *)selfMacAddr, sizeof(tSirMacAddr));
-    palCopyMemory(pMac->hHdd, (void *)&macMgmtHdr->bssId,
+    vos_mem_copy( (void *)&macMgmtHdr->bssId,
                               (void *)bssid, sizeof(tSirMacAddr));
     
     return;
@@ -676,7 +686,7 @@
     macMgmtHdr->fc.toDS = 0;
     macMgmtHdr->durationLo = (tANI_U8) (SIR_MAC_MAX_DURATION_MICRO_SECONDS & 0xff);
     macMgmtHdr->durationHi = (tANI_U8) ((SIR_MAC_MAX_DURATION_MICRO_SECONDS & 0xff00) >> 8);
-    palCopyMemory(pMac->hHdd, (void *)macMgmtHdr->da, (void *)selfMac, sizeof(tSirMacAddr));
+    vos_mem_copy( (void *)macMgmtHdr->da, (void *)selfMac, sizeof(tSirMacAddr));
             
     return;
 }
@@ -716,9 +726,9 @@
         macMgmtHdr->seqControl.fragNum = 0;
         macMgmtHdr->seqControl.seqNumLo = 0;
         macMgmtHdr->seqControl.seqNumHi = 2;
-        palCopyMemory(pMac->hHdd, (void *)&macMgmtHdr->da, (void *)pSta[0].bssId, 6);
-        palCopyMemory(pMac->hHdd, &macMgmtHdr->sa, pSta[0].staAddr, 6);
-        palCopyMemory(pMac->hHdd, (void *)&macMgmtHdr->bssId, (void *)pSta[0].bssId, 6);
+        vos_mem_copy( (void *)&macMgmtHdr->da, (void *)pSta[0].bssId, 6);
+        vos_mem_copy( &macMgmtHdr->sa, pSta[0].staAddr, 6);
+        vos_mem_copy( (void *)&macMgmtHdr->bssId, (void *)pSta[0].bssId, 6);
     }
     else if (role == eSYSTEM_AP_ROLE || role == eSYSTEM_STA_IN_IBSS_ROLE)
     {
@@ -734,7 +744,7 @@
         macMgmtHdr->fc.toDS = 0;
         macMgmtHdr->durationLo = (tANI_U8) (SIR_MAC_MAX_DURATION_MICRO_SECONDS & 0xff);
         macMgmtHdr->durationHi = (tANI_U8) ((SIR_MAC_MAX_DURATION_MICRO_SECONDS & 0xff00) >> 8);
-        palCopyMemory(pMac->hHdd, (void *)macMgmtHdr->da, (void *)pSta[0].staAddr, 6);
+        vos_mem_copy( (void *)macMgmtHdr->da, (void *)pSta[0].staAddr, 6);
     }
     return;
 #endif
@@ -770,9 +780,9 @@
         macMgmtHdr->seqControl.fragNum = 0;
         macMgmtHdr->seqControl.seqNumLo = 0;
         macMgmtHdr->seqControl.seqNumHi = 2;
-        palCopyMemory(pMac->hHdd, (void *)macMgmtHdr->da, (void *)pSta[0].bssId, 6);
-        palCopyMemory(pMac->hHdd, macMgmtHdr->sa, pSta[0].staAddr, 6);
-        palCopyMemory(pMac->hHdd, (void *)macMgmtHdr->bssId, (void *)pSta[0].bssId, 6);
+        vos_mem_copy( (void *)macMgmtHdr->da, (void *)pSta[0].bssId, 6);
+        vos_mem_copy( macMgmtHdr->sa, pSta[0].staAddr, 6);
+        vos_mem_copy( (void *)macMgmtHdr->bssId, (void *)pSta[0].bssId, 6);
 
     }
     
diff --git a/CORE/WDA/src/wlan_qct_wda_legacy.c b/CORE/WDA/src/wlan_qct_wda_legacy.c
index 9a5352c..340add1 100644
--- a/CORE/WDA/src/wlan_qct_wda_legacy.c
+++ b/CORE/WDA/src/wlan_qct_wda_legacy.c
@@ -179,13 +179,14 @@
    // host buffer
 
    // second parameter, 'wait option', to palAllocateMemory is ignored on Windows
-   if( eHAL_STATUS_SUCCESS != palAllocateMemory( pMac->hHdd, (void **)&pMbLocal, pMb->msgLen))
+   pMbLocal = vos_mem_malloc(pMb->msgLen);
+   if ( NULL == pMbLocal )
    {
       WDALOGE( wdaLog(pMac, LOGE, FL("Buffer Allocation failed!\n")));
       return eSIR_FAILURE;
    }
 
-   palCopyMemory(pMac, (void *)pMbLocal, (void *)pMb, pMb->msgLen);
+   vos_mem_copy((void *)pMbLocal, (void *)pMb, pMb->msgLen);
    msg.bodyptr = pMbLocal;
 
    switch (msg.type & HAL_MMH_MB_MSG_TYPE_MASK)
@@ -216,12 +217,7 @@
              msg.type));
 
       // Release the memory.
-      if (palFreeMemory( pMac->hHdd, (void*)(msg.bodyptr))
-            != eHAL_STATUS_SUCCESS)
-      {
-         WDALOGE( wdaLog(pMac, LOGE, FL("Buffer Allocation failed!\n")));
-         return eSIR_FAILURE;
-      }
+      vos_mem_free(msg.bodyptr);
       break;
    }