Merge into master from pull request #362:
Add MPLS related tlvs. (https://github.com/floodlight/loxigen/pull/362)
diff --git a/openflow_input/bsn_tlv b/openflow_input/bsn_tlv
index 59fa53a..09478f6 100644
--- a/openflow_input/bsn_tlv
+++ b/openflow_input/bsn_tlv
@@ -408,3 +408,21 @@
     uint16_t length;
     of_ipv4_t value;
 };
+
+struct of_bsn_tlv_mpls_label : of_bsn_tlv {
+    uint16_t type == 61;
+    uint16_t length;
+    uint32_t value;
+};
+
+struct of_bsn_tlv_mpls_control_word : of_bsn_tlv {
+    uint16_t type == 62;
+    uint16_t length;
+    uint8_t value;
+};
+
+struct of_bsn_tlv_mpls_sequenced : of_bsn_tlv {
+    uint16_t type == 63;
+    uint16_t length;
+    uint8_t value;
+};