diff --git a/datalink814_ge/src/linklayer/linklayer814.c b/datalink814_ge/src/linklayer/linklayer814.c
index 9c37e6b..6a86b95 100644
--- a/datalink814_ge/src/linklayer/linklayer814.c
+++ b/datalink814_ge/src/linklayer/linklayer814.c
@@ -305,7 +305,7 @@ inline void L2_RcdShift(L2_RCD *rcd, int32_t netxVal)
  * @return  L2_FRAME_TYPE.
  *
  ******************************************************************************/
-static L2_FRAME_TYPE L2_GetReceiveFrameType(L2_INST *instPtr)
+L2_FRAME_TYPE L2_GetLastOptFrameType(L2_INST *instPtr)
 {
 	if (instPtr->myInfo.nodeType == L2_NODE_HEAD || L2_isCxn2Net(instPtr))
 	{
@@ -351,7 +351,7 @@ void L2_FrameStateUpdate(L2_INST *instPtr)
 	instPtr->log.frameRecv++;
 
 	// Update frame state.
-	switch (L2_GetReceiveFrameType(instPtr))
+	switch (L2_GetLastOptFrameType(instPtr))
 	{
 	case L2_INTRA_SCAN_FRAME:
 	// INTRA_BM_FRAME could be received if current frame type is INTRA_BM_FRAME
diff --git a/datalink814_ge/src/linklayer/linklayer814.h b/datalink814_ge/src/linklayer/linklayer814.h
index 242e427..2f4516c 100644
--- a/datalink814_ge/src/linklayer/linklayer814.h
+++ b/datalink814_ge/src/linklayer/linklayer814.h
@@ -152,7 +152,7 @@ int32_t L2_RescheduleEventAfter(L2_INST *instPtr, L2_SCHD_EVENT *schdEvent, uint
 
 // Framing
 void L2_FrameStateUpdate(L2_INST *instPtr);
-L2_FRAME_TYPE L2_GetLastRcvFrameType(L2_INST *instPtr);
+L2_FRAME_TYPE L2_GetLastOptFrameType(L2_INST *instPtr);
 L1_FRAME_TYPE L2_L2frame2L1frame(L2_FRAME_TYPE l2Frame);
 void FrameGetChunk(BIT_ARRAY *bitarr, uint32_t offset, uint32_t numBit, uint64_t *chunk);
 void FrameInsertChunk(BIT_ARRAY *bitarr, uint32_t offset, uint32_t numBit, uint64_t chunck);