--- linux-4.9.37/drivers/net/ethernet/goke/femac/util.h	1970-01-01 03:00:00.000000000 +0300
+++ linux-4.9.y/drivers/net/ethernet/goke/femac/util.h	2021-06-07 13:01:33.000000000 +0300
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) Hunan Goke,Chengdu Goke,Shandong Goke. 2021. All rights reserved.
+ */
+
+#ifndef __ETH_UTIL_H__
+#define __ETH_UTIL_H__
+
+#include "femac.h"
+
+int femac_check_hw_capability(struct sk_buff *skb);
+u32 femac_get_pkt_info(struct sk_buff *skb);
+void femac_sleep_us(u32 time_us);
+void femac_set_flow_ctrl(const struct femac_priv *priv);
+void femac_get_pauseparam(struct net_device *dev,
+		  struct ethtool_pauseparam *pause);
+int femac_set_pauseparam(struct net_device *dev,
+		  struct ethtool_pauseparam *pause);
+void femac_enable_rxcsum_drop(const struct femac_priv *priv,
+		  bool drop);
+int femac_set_features(struct net_device *dev, netdev_features_t features);
+
+#endif
\ No newline at end of file