diff --git a/df_datalink_sp/src/networking/link_layer/link_layer_types.h b/df_datalink_sp/src/networking/link_layer/link_layer_types.h
index 56b8382..6286a9a 100644
--- a/df_datalink_sp/src/networking/link_layer/link_layer_types.h
+++ b/df_datalink_sp/src/networking/link_layer/link_layer_types.h
@@ -207,10 +207,9 @@ typedef struct
  */
 typedef struct
 {
-	PAYLOAD rxLog;
-	PAYLOAD txLog;
-	uint32_t pktRecv;
-	uint32_t pktCorrect;
+	uint32_t txCnt;
+	uint32_t rxCnt;
+	uint32_t rxdCnt;
 #ifdef DATALINK_ENABLE_BERTEST
 	uint32_t bitTotal;
 	uint32_t bitError;
diff --git a/df_datalink_sp/src/networking/link_layer/service.c b/df_datalink_sp/src/networking/link_layer/service.c
index 94d603c..c890866 100644
--- a/df_datalink_sp/src/networking/link_layer/service.c
+++ b/df_datalink_sp/src/networking/link_layer/service.c
@@ -402,6 +402,7 @@ int32_t L2_Service_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *rtneEntr
 	case L2_SLOT_SERVICE:
 		if (torState == L2_TOR_TX)
 		{
+			svcFSMPtr->txCnt++;
 #ifndef DATALINK_ENABLE_BERTEST
 			// Packing service data
 			Service_Packing(instPtr, L2_SVC_FRAME, rtneEntry->dst);
@@ -409,6 +410,10 @@ int32_t L2_Service_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *rtneEntr
 			memcpy(instPtr->sendPktData, testData, L2_SVC_PACK_LEN);
 #endif
 		}
+		else
+		{
+			svcFSMPtr->rxCnt++;
+		}
 		L2_SetupNextSlot(instPtr, torState, L2_SVC_FRAME);
 		break;
 	default:
@@ -417,11 +422,11 @@ int32_t L2_Service_Routine(L2_INST *instPtr, const L2_RTNE_TABLE_ENTRY *rtneEntr
 	}
 #ifdef DATALINK_ENABLE_BERTEST
 	uint32_t pktLoss;
-	pktLoss = instPtr->log.svcRecvCnt - instPtr->log.svcCorrectCnt;
-	instPtr->serviceFSM->lossRate = (instPtr->log.svcRecvCnt == 0) ? 0 : (double)pktLoss / (double)instPtr->serviceFSM->pktRecv;
-	instPtr->serviceFSM->errorRate = (instPtr->serviceFSM->bitTotal == 0) ? 0 : (double)instPtr->serviceFSM->bitError / (double)instPtr->serviceFSM->bitTotal;
-	DBG_PRINT("Packet Loss Rate -- Total: %lu, Loss: %lu.\n", instPtr->serviceFSM->pktRecv, pktLoss);
-	DBG_PRINT("Bit Error Rate -- Total:%lu, Error:%lu.\n", instPtr->serviceFSM->bitTotal, instPtr->serviceFSM->bitError);
+	pktLoss = svcFSMPtr->rxCnt - svcFSMPtr->rxdCnt;
+	svcFSMPtr->lossRate = (svcFSMPtr->rxCnt == 0) ? 0 : (double)pktLoss / (double)svcFSMPtr->rxCnt;
+	svcFSMPtr->errorRate = (svcFSMPtr->bitTotal == 0) ? 0 : (double)svcFSMPtr->bitError / (double)svcFSMPtr->bitTotal;
+	DBG_PRINT("Packet Loss Rate -- Total: %lu, Loss: %lu.\n", instPtr->log.svcRxCnt, pktLoss);
+	DBG_PRINT("Bit Error Rate -- Total:%lu, Error:%lu.\n", svcFSMPtr->bitTotal, svcFSMPtr->bitError);
 #endif
 	return SUCCESS;
 }