#include <linux/netdevice.h>
-extern void icmpv6_send(struct sk_buff *skb,
- u8 type, u8 code,
- __u32 info);
+#if IS_ENABLED(CONFIG_IPV6)
+extern void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info);
+
+typedef void ip6_icmp_send_t(struct sk_buff *skb, u8 type, u8 code, __u32 info);
+extern int inet6_register_icmp_sender(ip6_icmp_send_t *fn);
+extern int inet6_unregister_icmp_sender(ip6_icmp_send_t *fn);
+
+#else
+
+static inline void icmpv6_send(struct sk_buff *skb,
+ u8 type, u8 code, __u32 info)
+{
+
+}
+#endif
extern int icmpv6_init(void);
extern int icmpv6_err_convert(u8 type, u8 code,