diff --git a/openflow_input/standard-1.1 b/openflow_input/standard-1.1
index 9937c6d..a6f511f 100644
--- a/openflow_input/standard-1.1
+++ b/openflow_input/standard-1.1
@@ -399,6 +399,11 @@
     OFPST_EXPERIMENTER = 0xffff,
 };
 
+// none defined
+enum ofp_stats_request_flags(wire_type=uint16_t, bitmask=True) {
+};
+
+
 enum ofp_stats_reply_flags(wire_type=uint16_t, bitmask=True) {
     OFPSF_REPLY_MORE = 0x1,
 };
@@ -1217,7 +1222,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == ?;
-    uint16_t flags;
+    enum ofp_stats_request_flags flags;
     pad(4);
 };
 
@@ -1227,7 +1232,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == ?;
-    uint16_t flags;
+    enum ofp_stats_reply_flags flags;
     pad(4);
 };
 
@@ -1237,7 +1242,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 0;
-    uint16_t flags;
+    enum ofp_stats_request_flags flags;
     pad(4);
 };
 
@@ -1247,7 +1252,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 0;
-    uint16_t flags;
+    enum ofp_stats_reply_flags flags;
     pad(4);
     of_desc_str_t mfr_desc;
     of_desc_str_t hw_desc;
@@ -1262,7 +1267,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 1;
-    uint16_t flags;
+    enum ofp_stats_request_flags flags;
     pad(4);
     uint8_t table_id;
     pad(3);
@@ -1280,7 +1285,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 1;
-    uint16_t flags;
+    enum ofp_stats_reply_flags flags;
     pad(4);
     list(of_flow_stats_entry_t) entries;
 };
@@ -1291,7 +1296,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 2;
-    uint16_t flags;
+    enum ofp_stats_request_flags flags;
     pad(4);
     uint8_t table_id;
     pad(3);
@@ -1309,7 +1314,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 2;
-    uint16_t flags;
+    enum ofp_stats_reply_flags flags;
     pad(4);
     uint64_t packet_count;
     uint64_t byte_count;
@@ -1323,7 +1328,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 3;
-    uint16_t flags;
+    enum ofp_stats_request_flags flags;
     pad(4);
 };
 
@@ -1333,7 +1338,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 3;
-    uint16_t flags;
+    enum ofp_stats_reply_flags flags;
     pad(4);
     list(of_table_stats_entry_t) entries;
 };
@@ -1344,7 +1349,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 4;
-    uint16_t flags;
+    enum ofp_stats_request_flags flags;
     pad(4);
     of_port_no_t port_no;
     pad(4);
@@ -1356,7 +1361,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 4;
-    uint16_t flags;
+    enum ofp_stats_reply_flags flags;
     pad(4);
     list(of_port_stats_entry_t) entries;
 };
@@ -1367,7 +1372,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 5;
-    uint16_t flags;
+    enum ofp_stats_request_flags flags;
     pad(4);
     of_port_no_t port_no;
     uint32_t queue_id;
@@ -1379,7 +1384,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 5;
-    uint16_t flags;
+    enum ofp_stats_reply_flags flags;
     pad(4);
     list(of_queue_stats_entry_t) entries;
 };
@@ -1390,7 +1395,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 6;
-    uint16_t flags;
+    enum ofp_stats_request_flags flags;
     pad(4);
     uint32_t group_id;
     pad(4);
@@ -1402,7 +1407,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 6;
-    uint16_t flags;
+    enum ofp_stats_reply_flags flags;
     pad(4);
     list(of_group_stats_entry_t) entries;
 };
@@ -1413,7 +1418,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 7;
-    uint16_t flags;
+    enum ofp_stats_request_flags flags;
     pad(4);
 };
 
@@ -1423,7 +1428,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 7;
-    uint16_t flags;
+    enum ofp_stats_reply_flags flags;
     pad(4);
     list(of_group_desc_stats_entry_t) entries;
 };
@@ -1434,7 +1439,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 0xffff;
-    uint16_t flags;
+    enum ofp_stats_request_flags flags;
     pad(4);
     uint32_t experimenter == ?;
     pad(4);
@@ -1447,7 +1452,7 @@
     uint16_t length;
     uint32_t xid;
     uint16_t stats_type == 0xffff;
-    uint16_t flags;
+    enum ofp_stats_reply_flags flags;
     pad(4);
     uint32_t experimenter == ?;
     pad(4);