diff --git a/sfe.h b/sfe.h
index d0e0a6d..01636f2 100644
--- a/sfe.h
+++ b/sfe.h
@@ -147,7 +147,7 @@
 /*
  * IPv6 APIs used by connection manager
  */
-int sfe_ipv6_recv(struct net_device *dev, struct sk_buff *skb, struct sfe_l2_info *l2_info);
+int sfe_ipv6_recv(struct net_device *dev, struct sk_buff *skb, struct sfe_l2_info *l2_info, bool tun_outer);
 int sfe_ipv6_create_rule(struct sfe_ipv6_rule_create_msg *msg);
 void sfe_ipv6_destroy_rule(struct sfe_ipv6_rule_destroy_msg *msg);
 void sfe_ipv6_destroy_all_rules_for_dev(struct net_device *dev);
@@ -155,7 +155,7 @@
 void sfe_ipv6_update_rule(struct sfe_ipv6_rule_create_msg *msg);
 void sfe_ipv6_mark_rule(struct sfe_connection_mark *mark);
 #else
-static inline int sfe_ipv6_recv(struct net_device *dev, struct sk_buff *skb, struct sfe_l2_info *l2_info)
+static inline int sfe_ipv6_recv(struct net_device *dev, struct sk_buff *skb, struct sfe_l2_info *l2_info, bool tun_outer)
 {
 	return 0;
 }
@@ -165,7 +165,7 @@
 	return 0;
 }
 
-static inline void sfe_ipv6_destroy_rule(struct sfe_ipv6_rule_destroy_msg *msg);
+static inline void sfe_ipv6_destroy_rule(struct sfe_ipv6_rule_destroy_msg *msg)
 {
 	return;
 }