diff --git a/c_gen/templates/of_type_maps.c b/c_gen/templates/of_type_maps.c
index 8d89a36..c00694c 100644
--- a/c_gen/templates/of_type_maps.c
+++ b/c_gen/templates/of_type_maps.c
@@ -303,6 +303,8 @@
         case 1: *id = OF_INSTRUCTION_BSN_ARP_OFFLOAD; break;
         case 2: *id = OF_INSTRUCTION_BSN_DHCP_OFFLOAD; break;
         case 3: *id = OF_INSTRUCTION_BSN_DISABLE_SPLIT_HORIZON_CHECK; break;
+        case 4: *id = OF_INSTRUCTION_BSN_PERMIT; break;
+        case 5: *id = OF_INSTRUCTION_BSN_DENY; break;
         }
         break;
     }
diff --git a/openflow_input/bsn_acl b/openflow_input/bsn_acl
new file mode 100644
index 0000000..4035904
--- /dev/null
+++ b/openflow_input/bsn_acl
@@ -0,0 +1,50 @@
+// 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.
+//
+// Also derived from the OpenFlow header files which have these copyrights:
+// Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior University
+// Copyright (c) 2011, 2012 Open Networking Foundation
+
+#version 4
+
+// Instructions to express control flow in ACL tables
+
+struct of_instruction_bsn_permit : of_instruction_bsn {
+    uint16_t type == 65535;
+    uint16_t len;
+    uint32_t experimenter == 0x5c16c7;
+    uint32_t subtype == 4;
+    pad(4);
+};
+
+struct of_instruction_bsn_deny : of_instruction_bsn {
+    uint16_t type == 65535;
+    uint16_t len;
+    uint32_t experimenter == 0x5c16c7;
+    uint32_t subtype == 5;
+    pad(4);
+};