diff --git a/openflow_input/bsn_debug_counter b/openflow_input/bsn_debug_counter
new file mode 100644
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+++ b/openflow_input/bsn_debug_counter
@@ -0,0 +1,106 @@
+// 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 2013, 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.
+
+#version 4
+
+// Switches have many non-dataplane counters that are mainly useful for
+// debugging. An example is the number of packet-ins dropped due to
+// queueing inside the switch. This extension allows the controller to
+// query and reset these counters.
+
+struct of_bsn_debug_counter_stats_request : of_bsn_stats_request {
+    uint8_t version;
+    uint8_t type == 18;
+    uint16_t length;
+    uint32_t xid;
+    uint16_t stats_type == 0xffff;
+    enum ofp_stats_request_flags flags;
+    pad(4);
+    uint32_t experimenter == 0x5c16c7;
+    uint32_t subtype == 12;
+};
+
+struct of_bsn_debug_counter_stats_entry {
+    uint64_t counter_id;
+    uint64_t value;
+};
+
+struct of_bsn_debug_counter_stats_reply : of_bsn_stats_reply {
+    uint8_t version;
+    uint8_t type == 19;
+    uint16_t length;
+    uint32_t xid;
+    uint16_t stats_type == 0xffff;
+    enum ofp_stats_reply_flags flags;
+    pad(4);
+    uint32_t experimenter == 0x5c16c7;
+    uint32_t subtype == 12;
+    list(of_bsn_debug_counter_stats_entry_t) entries;
+};
+
+struct of_bsn_debug_counter_desc_stats_request : of_bsn_stats_request {
+    uint8_t version;
+    uint8_t type == 18;
+    uint16_t length;
+    uint32_t xid;
+    uint16_t stats_type == 0xffff;
+    enum ofp_stats_request_flags flags;
+    pad(4);
+    uint32_t experimenter == 0x5c16c7;
+    uint32_t subtype == 13;
+};
+
+struct of_bsn_debug_counter_desc_stats_entry {
+    uint64_t counter_id;
+    of_table_name_t name;
+    of_desc_str_t description;
+};
+
+struct of_bsn_debug_counter_desc_stats_reply : of_bsn_stats_reply {
+    uint8_t version;
+    uint8_t type == 19;
+    uint16_t length;
+    uint32_t xid;
+    uint16_t stats_type == 0xffff;
+    enum ofp_stats_reply_flags flags;
+    pad(4);
+    uint32_t experimenter == 0x5c16c7;
+    uint32_t subtype == 13;
+    list(of_bsn_debug_counter_desc_stats_entry_t) entries;
+};
+
+struct of_bsn_debug_counter_reset : of_bsn_header {
+    uint8_t version;
+    uint8_t type == 4;
+    uint16_t length;
+    uint32_t xid;
+    uint32_t experimenter == 0x5c16c7;
+    uint32_t subtype == 62;
+};