diff --git a/openflow_input/oxm-1.2 b/openflow_input/oxm-1.2
index b18c6fb..37737c1 100644
--- a/openflow_input/oxm-1.2
+++ b/openflow_input/oxm-1.2
@@ -433,3 +433,25 @@
     uint16_t value;
     uint16_t value_mask;
 };
+
+struct of_oxm_src_meta_id {
+    uint32_t type_len == 0x0003f001;
+    uint8_t value;
+};
+
+struct of_oxm_src_meta_id_masked {
+    uint32_t type_len == 0x0003f102;
+    uint8_t value;
+    uint8_t value_mask;
+};
+
+struct of_oxm_dst_meta_id {
+    uint32_t type_len == 0x0003f201;
+    uint8_t value;
+};
+
+struct of_oxm_dst_meta_id_masked {
+    uint32_t type_len == 0x0003f302;
+    uint8_t value;
+    uint8_t value_mask;
+};
diff --git a/openflow_input/standard-1.0 b/openflow_input/standard-1.0
index 5d4405c..895a0b9 100644
--- a/openflow_input/standard-1.0
+++ b/openflow_input/standard-1.0
@@ -156,6 +156,8 @@
     OFPFW_NW_DST_MASK = 0xfc000,
     OFPFW_DL_VLAN_PCP = 0x100000,
     OFPFW_NW_TOS = 0x200000,
+    OFPFW_SRC_META_ID = 0x400000,
+    OFPFW_DST_META_ID = 0x800000,
     OFPFW_ALL = 0x3fffff,
 };
 
@@ -562,7 +564,8 @@
     uint16_t eth_type;
     uint8_t ip_dscp;
     uint8_t ip_proto;
-    pad(2);
+    uint8_t src_meta_id;
+    uint8_t dst_meta_id;
     uint32_t ipv4_src;
     uint32_t ipv4_dst;
     uint16_t tcp_src;