diff --git a/libc/kernel/uapi/linux/fou.h b/libc/kernel/uapi/linux/fou.h
index 7e59bd0..a16b8c6 100644
--- a/libc/kernel/uapi/linux/fou.h
+++ b/libc/kernel/uapi/linux/fou.h
@@ -27,6 +27,12 @@
   FOU_ATTR_IPPROTO,
   FOU_ATTR_TYPE,
   FOU_ATTR_REMCSUM_NOPARTIAL,
+  FOU_ATTR_LOCAL_V4,
+  FOU_ATTR_LOCAL_V6,
+  FOU_ATTR_PEER_V4,
+  FOU_ATTR_PEER_V6,
+  FOU_ATTR_PEER_PORT,
+  FOU_ATTR_IFINDEX,
   __FOU_ATTR_MAX,
 };
 #define FOU_ATTR_MAX (__FOU_ATTR_MAX - 1)