+#ifdef CONFIG_AG71XX_AR8216_SUPPORT
+void ag71xx_add_ar8216_header(struct ag71xx *ag, struct sk_buff *skb);
+int ag71xx_remove_ar8216_header(struct ag71xx *ag, struct sk_buff *skb);
+#else
+static inline void ag71xx_add_ar8216_header(struct ag71xx *ag,
+ struct sk_buff *skb)
+{
+}
+
+static inline int ag71xx_remove_ar8216_header(struct ag71xx *ag,
+ struct sk_buff *skb)
+{
+ return 0;
+}
+#endif
+