Add DHCP pkt in reason and circuit id TLV
diff --git a/openflow_input/bsn_tlv b/openflow_input/bsn_tlv
index ec91065..6105687 100644
--- a/openflow_input/bsn_tlv
+++ b/openflow_input/bsn_tlv
@@ -112,3 +112,9 @@
     uint16_t length;
     uint64_t value;
 };
+
+struct of_bsn_tlv_circuit_id : of_bsn_tlv {
+    uint16_t type == 14;
+    uint16_t length;
+    of_octets_t value;
+};
diff --git a/openflow_input/standard-1.3 b/openflow_input/standard-1.3
index bb85231..af7e501 100644
--- a/openflow_input/standard-1.3
+++ b/openflow_input/standard-1.3
@@ -291,6 +291,7 @@
     OFPR_BSN_DEST_PORT_UNREACHABLE = 136,
     OFPR_BSN_FRAGMENTATION_REQUIRED = 137,
     OFPR_BSN_ARP = 139,
+    OFPR_BSN_DHCP = 140,
 };
 
 enum ofp_flow_removed_reason(wire_type=uint8_t) {