diff --git a/c_gen/templates/loci_show.h b/c_gen/templates/loci_show.h
index aff632f..2a1925d 100644
--- a/c_gen/templates/loci_show.h
+++ b/c_gen/templates/loci_show.h
@@ -412,5 +412,6 @@
 #define LOCI_SHOW_desc_str_image_checksum(write, cookie, val) LOCI_SHOW_desc_str(writer, cookie, val)
 #define LOCI_SHOW_desc_str_startup_config_checksum(write, cookie, val) LOCI_SHOW_desc_str(writer, cookie, val)
 #define LOCI_SHOW_u16_bsn_tcp_flags(write, cookie, val) LOCI_SHOW_x16(writer, cookie, val)
+#define LOCI_SHOW_u8_loglevel(writer, cookie, val) LOCI_SHOW_u8(writer, cookie, val)
 
 #endif /* _LOCI_SHOW_H_ */
diff --git a/openflow_input/bsn_log b/openflow_input/bsn_log
new file mode 100644
index 0000000..4f7fbce
--- /dev/null
+++ b/openflow_input/bsn_log
@@ -0,0 +1,51 @@
+// Copyright 2014, Big Switch Networks, Inc.
+//
+// LoxiGen is licensed under the Eclipse Public License, version 1.0 (EPL), with
+// the following special exception:
+//
+// LOXI Exception
+//
+// As a special exception to the terms of the EPL, you may distribute libraries
+// generated by LoxiGen (LoxiGen Libraries) under the terms of your choice, provided
+// that copyright and licensing notices generated by LoxiGen are not altered or removed
+// from the LoxiGen Libraries and the notice provided below is (i) included in
+// the LoxiGen Libraries, if distributed in source code form and (ii) included in any
+// documentation for the LoxiGen Libraries, if distributed in binary form.
+//
+// Notice: "Copyright 2014, Big Switch Networks, Inc. This library was generated by the LoxiGen Compiler."
+//
+// You may not use this file except in compliance with the EPL or LOXI Exception. You may obtain
+// a copy of the EPL at:
+//
+// http://www.eclipse.org/legal/epl-v10.html
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+// EPL for the specific language governing permissions and limitations
+// under the EPL.
+
+// Request the receiver to output a log message. The message may be ignored if
+// the receiver's configured loglevel is lower than the message's loglevel.
+
+#version 4
+
+enum ofp_bsn_loglevel(wire_type=uint8_t) {
+    OFP_BSN_LOGLEVEL_MSG = 0,
+    OFP_BSN_LOGLEVEL_ERROR = 1,
+    OFP_BSN_LOGLEVEL_WARN = 2,
+    OFP_BSN_LOGLEVEL_INFO = 3,
+    OFP_BSN_LOGLEVEL_VERBOSE = 4,
+    OFP_BSN_LOGLEVEL_TRACE = 5,
+};
+
+struct of_bsn_log : of_bsn_header {
+    uint8_t version;
+    uint8_t type == 4;
+    uint16_t length;
+    uint32_t xid;
+    uint32_t experimenter == 0x5c16c7;
+    uint32_t subtype == 63;
+    enum ofp_bsn_loglevel loglevel;
+    of_octets_t data;
+};