diff --git a/include/uapi/linux/neighbour.h b/include/uapi/linux/neighbour.h
index eefcda8ca44e9c780017d45b6bc7e81af3029453..540ff48402a1b2b27d5a5b9a9388536a6d9bd0ab 100644
--- a/include/uapi/linux/neighbour.h
+++ b/include/uapi/linux/neighbour.h
@@ -30,6 +30,7 @@ enum {
 	NDA_SRC_VNI,
 	NDA_PROTOCOL,  /* Originator of entry */
 	NDA_NH_ID,
+	NDA_FDB_EXT_ATTRS,
 	__NDA_MAX
 };
 
@@ -172,4 +173,15 @@ enum {
 };
 #define NDTA_MAX (__NDTA_MAX - 1)
 
+/* embedded into NDA_FDB_EXT_ATTRS:
+ * [NDA_FDB_EXT_ATTRS] = {
+ *     ...
+ * }
+ */
+enum {
+	NFEA_UNSPEC,
+	__NFEA_MAX
+};
+#define NFEA_MAX (__NFEA_MAX - 1)
+
 #endif
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index ef6b5a8f629c856beb07621ac82b8d39fa0500f5..8e39e28b0a8dd8965c865cfc6d96522904b19a53 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1783,6 +1783,7 @@ const struct nla_policy nda_policy[NDA_MAX+1] = {
 	[NDA_MASTER]		= { .type = NLA_U32 },
 	[NDA_PROTOCOL]		= { .type = NLA_U8 },
 	[NDA_NH_ID]		= { .type = NLA_U32 },
+	[NDA_FDB_EXT_ATTRS]	= { .type = NLA_NESTED },
 };
 
 static int neigh_delete(struct sk_buff *skb, struct nlmsghdr *nlh,