+ u32 flags;
+#define LLDP_SYSTEM_TLV_VALID_MASK 0x1
+#define LLDP_SYSTEM_TLV_VALID_OFFSET 0
+/* This bit defines if system TLVs are instead of mandatory TLVS or in
+ * addition to them. Set 1 for replacing mandatory TLVs
+ */
+#define LLDP_SYSTEM_TLV_MANDATORY_MASK 0x2
+#define LLDP_SYSTEM_TLV_MANDATORY_OFFSET 1
+#define LLDP_SYSTEM_TLV_LENGTH_MASK 0xffff0000
+#define LLDP_SYSTEM_TLV_LENGTH_OFFSET 16