netfilter: ipset: Prepare the kernel for create option flags when no extension is needed

Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>

include/linux/netfilter/ipset/ip_set.h

@@ -219,6 +219,8 @@ struct ip_set {
 	u8 revision;
 	/* Extensions */
 	u8 extensions;
+	/* Create flags */
+	u8 flags;
 	/* Default timeout value, if enabled */
 	u32 timeout;
 	/* Element data size */

include/uapi/linux/netfilter/ipset/ip_set.h

@@ -188,6 +188,12 @@ enum ipset_cadt_flags {
 	IPSET_FLAG_CADT_MAX	= 15,
 };
 
+/* The flag bits which correspond to the non-extension create flags */
+enum ipset_create_flags {
+	IPSET_CREATE_FLAG_NONE = 0,
+	IPSET_CREATE_FLAG_MAX = 7,
+};
+
 /* Commands with settype-specific attributes */
 enum ipset_adt {
 	IPSET_ADD,