1 files changed, 2 insertions, 0 deletions
diff --git a/lib/ip.h b/lib/ip.h
index d876a707..4fbe4407 100644
--- a/lib/ip.h
+++ b/lib/ip.h
@@ -99,6 +99,7 @@ typedef ip6_addr ip_addr;
 #define ipa_to_u32(x) ip4_to_u32(ipa_to_ip4(x))
 
 #define ipa_is_ip4(a) ip6_is_v4mapped(a)
+#define ipa_is_ip6(a) (! ip6_is_v4mapped(a))
 
 #else
 
@@ -115,6 +116,7 @@ typedef ip4_addr ip_addr;
 #define ipa_to_u32(x) ip4_to_u32(ipa_to_ip4(x))
 
 #define ipa_is_ip4(a) 1
+#define ipa_is_ip6(a) 0
 
 #endif