diff --git a/ofagent/loxi/of13/message.py b/ofagent/loxi/of13/message.py
new file mode 100644
index 0000000..036aa54
--- /dev/null
+++ b/ofagent/loxi/of13/message.py
@@ -0,0 +1,15419 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# 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 License for the specific language governing permissions and
+# limitations under the License.
+# Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior University
+# Copyright (c) 2011, 2012 Open Networking Foundation
+# Copyright (c) 2012, 2013 Big Switch Networks, Inc.
+# See the file LICENSE.pyloxi which should have been included in the source distribution
+
+# Automatically generated by LOXI from template module.py
+# Do not modify
+
+import struct
+import loxi
+import util
+import loxi.generic_util
+
+import sys
+ofp = sys.modules['loxi.of13']
+
+class message(loxi.OFObject):
+    subtypes = {}
+
+    version = 4
+
+    def __init__(self, type=None, xid=None):
+        if type != None:
+            self.type = type
+        else:
+            self.type = 0
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('B', 1)
+        subclass = message.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = message()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        obj.type = reader.read("!B")[0]
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.type != other.type: return False
+        if self.xid != other.xid: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("message {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+
+class stats_reply(message):
+    subtypes = {}
+
+    version = 4
+    type = 19
+
+    def __init__(self, xid=None, stats_type=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if stats_type != None:
+            self.stats_type = stats_type
+        else:
+            self.stats_type = 0
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!H', 8)
+        subclass = stats_reply.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.stats_type = reader.read("!H")[0]
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.stats_type != other.stats_type: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[19] = stats_reply
+
+class aggregate_stats_reply(stats_reply):
+    version = 4
+    type = 19
+    stats_type = 2
+
+    def __init__(self, xid=None, flags=None, packet_count=None, byte_count=None, flow_count=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if packet_count != None:
+            self.packet_count = packet_count
+        else:
+            self.packet_count = 0
+        if byte_count != None:
+            self.byte_count = byte_count
+        else:
+            self.byte_count = 0
+        if flow_count != None:
+            self.flow_count = flow_count
+        else:
+            self.flow_count = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!Q", self.packet_count))
+        packed.append(struct.pack("!Q", self.byte_count))
+        packed.append(struct.pack("!L", self.flow_count))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = aggregate_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 2)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.packet_count = reader.read("!Q")[0]
+        obj.byte_count = reader.read("!Q")[0]
+        obj.flow_count = reader.read("!L")[0]
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.packet_count != other.packet_count: return False
+        if self.byte_count != other.byte_count: return False
+        if self.flow_count != other.flow_count: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("aggregate_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("packet_count = ");
+                q.text("%#x" % self.packet_count)
+                q.text(","); q.breakable()
+                q.text("byte_count = ");
+                q.text("%#x" % self.byte_count)
+                q.text(","); q.breakable()
+                q.text("flow_count = ");
+                q.text("%#x" % self.flow_count)
+            q.breakable()
+        q.text('}')
+
+stats_reply.subtypes[2] = aggregate_stats_reply
+
+class stats_request(message):
+    subtypes = {}
+
+    version = 4
+    type = 18
+
+    def __init__(self, xid=None, stats_type=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if stats_type != None:
+            self.stats_type = stats_type
+        else:
+            self.stats_type = 0
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!H', 8)
+        subclass = stats_request.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.stats_type = reader.read("!H")[0]
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.stats_type != other.stats_type: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[18] = stats_request
+
+class aggregate_stats_request(stats_request):
+    version = 4
+    type = 18
+    stats_type = 2
+
+    def __init__(self, xid=None, flags=None, table_id=None, out_port=None, out_group=None, cookie=None, cookie_mask=None, match=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if out_port != None:
+            self.out_port = out_port
+        else:
+            self.out_port = 0
+        if out_group != None:
+            self.out_group = out_group
+        else:
+            self.out_group = 0
+        if cookie != None:
+            self.cookie = cookie
+        else:
+            self.cookie = 0
+        if cookie_mask != None:
+            self.cookie_mask = cookie_mask
+        else:
+            self.cookie_mask = 0
+        if match != None:
+            self.match = match
+        else:
+            self.match = ofp.match()
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!B", self.table_id))
+        packed.append('\x00' * 3)
+        packed.append(util.pack_port_no(self.out_port))
+        packed.append(struct.pack("!L", self.out_group))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!Q", self.cookie))
+        packed.append(struct.pack("!Q", self.cookie_mask))
+        packed.append(self.match.pack())
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = aggregate_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 2)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.table_id = reader.read("!B")[0]
+        reader.skip(3)
+        obj.out_port = util.unpack_port_no(reader)
+        obj.out_group = reader.read("!L")[0]
+        reader.skip(4)
+        obj.cookie = reader.read("!Q")[0]
+        obj.cookie_mask = reader.read("!Q")[0]
+        obj.match = ofp.match.unpack(reader)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.table_id != other.table_id: return False
+        if self.out_port != other.out_port: return False
+        if self.out_group != other.out_group: return False
+        if self.cookie != other.cookie: return False
+        if self.cookie_mask != other.cookie_mask: return False
+        if self.match != other.match: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("aggregate_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("out_port = ");
+                q.text(util.pretty_port(self.out_port))
+                q.text(","); q.breakable()
+                q.text("out_group = ");
+                q.text("%#x" % self.out_group)
+                q.text(","); q.breakable()
+                q.text("cookie = ");
+                q.text("%#x" % self.cookie)
+                q.text(","); q.breakable()
+                q.text("cookie_mask = ");
+                q.text("%#x" % self.cookie_mask)
+                q.text(","); q.breakable()
+                q.text("match = ");
+                q.pp(self.match)
+            q.breakable()
+        q.text('}')
+
+stats_request.subtypes[2] = aggregate_stats_request
+
+class async_get_reply(message):
+    version = 4
+    type = 27
+
+    def __init__(self, xid=None, packet_in_mask_equal_master=None, packet_in_mask_slave=None, port_status_mask_equal_master=None, port_status_mask_slave=None, flow_removed_mask_equal_master=None, flow_removed_mask_slave=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if packet_in_mask_equal_master != None:
+            self.packet_in_mask_equal_master = packet_in_mask_equal_master
+        else:
+            self.packet_in_mask_equal_master = 0
+        if packet_in_mask_slave != None:
+            self.packet_in_mask_slave = packet_in_mask_slave
+        else:
+            self.packet_in_mask_slave = 0
+        if port_status_mask_equal_master != None:
+            self.port_status_mask_equal_master = port_status_mask_equal_master
+        else:
+            self.port_status_mask_equal_master = 0
+        if port_status_mask_slave != None:
+            self.port_status_mask_slave = port_status_mask_slave
+        else:
+            self.port_status_mask_slave = 0
+        if flow_removed_mask_equal_master != None:
+            self.flow_removed_mask_equal_master = flow_removed_mask_equal_master
+        else:
+            self.flow_removed_mask_equal_master = 0
+        if flow_removed_mask_slave != None:
+            self.flow_removed_mask_slave = flow_removed_mask_slave
+        else:
+            self.flow_removed_mask_slave = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.packet_in_mask_equal_master))
+        packed.append(struct.pack("!L", self.packet_in_mask_slave))
+        packed.append(struct.pack("!L", self.port_status_mask_equal_master))
+        packed.append(struct.pack("!L", self.port_status_mask_slave))
+        packed.append(struct.pack("!L", self.flow_removed_mask_equal_master))
+        packed.append(struct.pack("!L", self.flow_removed_mask_slave))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = async_get_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 27)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.packet_in_mask_equal_master = reader.read("!L")[0]
+        obj.packet_in_mask_slave = reader.read("!L")[0]
+        obj.port_status_mask_equal_master = reader.read("!L")[0]
+        obj.port_status_mask_slave = reader.read("!L")[0]
+        obj.flow_removed_mask_equal_master = reader.read("!L")[0]
+        obj.flow_removed_mask_slave = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.packet_in_mask_equal_master != other.packet_in_mask_equal_master: return False
+        if self.packet_in_mask_slave != other.packet_in_mask_slave: return False
+        if self.port_status_mask_equal_master != other.port_status_mask_equal_master: return False
+        if self.port_status_mask_slave != other.port_status_mask_slave: return False
+        if self.flow_removed_mask_equal_master != other.flow_removed_mask_equal_master: return False
+        if self.flow_removed_mask_slave != other.flow_removed_mask_slave: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("async_get_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("packet_in_mask_equal_master = ");
+                q.text("%#x" % self.packet_in_mask_equal_master)
+                q.text(","); q.breakable()
+                q.text("packet_in_mask_slave = ");
+                q.text("%#x" % self.packet_in_mask_slave)
+                q.text(","); q.breakable()
+                q.text("port_status_mask_equal_master = ");
+                q.text("%#x" % self.port_status_mask_equal_master)
+                q.text(","); q.breakable()
+                q.text("port_status_mask_slave = ");
+                q.text("%#x" % self.port_status_mask_slave)
+                q.text(","); q.breakable()
+                q.text("flow_removed_mask_equal_master = ");
+                q.text("%#x" % self.flow_removed_mask_equal_master)
+                q.text(","); q.breakable()
+                q.text("flow_removed_mask_slave = ");
+                q.text("%#x" % self.flow_removed_mask_slave)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[27] = async_get_reply
+
+class async_get_request(message):
+    version = 4
+    type = 26
+
+    def __init__(self, xid=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = async_get_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 26)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("async_get_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+message.subtypes[26] = async_get_request
+
+class async_set(message):
+    version = 4
+    type = 28
+
+    def __init__(self, xid=None, packet_in_mask_equal_master=None, packet_in_mask_slave=None, port_status_mask_equal_master=None, port_status_mask_slave=None, flow_removed_mask_equal_master=None, flow_removed_mask_slave=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if packet_in_mask_equal_master != None:
+            self.packet_in_mask_equal_master = packet_in_mask_equal_master
+        else:
+            self.packet_in_mask_equal_master = 0
+        if packet_in_mask_slave != None:
+            self.packet_in_mask_slave = packet_in_mask_slave
+        else:
+            self.packet_in_mask_slave = 0
+        if port_status_mask_equal_master != None:
+            self.port_status_mask_equal_master = port_status_mask_equal_master
+        else:
+            self.port_status_mask_equal_master = 0
+        if port_status_mask_slave != None:
+            self.port_status_mask_slave = port_status_mask_slave
+        else:
+            self.port_status_mask_slave = 0
+        if flow_removed_mask_equal_master != None:
+            self.flow_removed_mask_equal_master = flow_removed_mask_equal_master
+        else:
+            self.flow_removed_mask_equal_master = 0
+        if flow_removed_mask_slave != None:
+            self.flow_removed_mask_slave = flow_removed_mask_slave
+        else:
+            self.flow_removed_mask_slave = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.packet_in_mask_equal_master))
+        packed.append(struct.pack("!L", self.packet_in_mask_slave))
+        packed.append(struct.pack("!L", self.port_status_mask_equal_master))
+        packed.append(struct.pack("!L", self.port_status_mask_slave))
+        packed.append(struct.pack("!L", self.flow_removed_mask_equal_master))
+        packed.append(struct.pack("!L", self.flow_removed_mask_slave))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = async_set()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 28)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.packet_in_mask_equal_master = reader.read("!L")[0]
+        obj.packet_in_mask_slave = reader.read("!L")[0]
+        obj.port_status_mask_equal_master = reader.read("!L")[0]
+        obj.port_status_mask_slave = reader.read("!L")[0]
+        obj.flow_removed_mask_equal_master = reader.read("!L")[0]
+        obj.flow_removed_mask_slave = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.packet_in_mask_equal_master != other.packet_in_mask_equal_master: return False
+        if self.packet_in_mask_slave != other.packet_in_mask_slave: return False
+        if self.port_status_mask_equal_master != other.port_status_mask_equal_master: return False
+        if self.port_status_mask_slave != other.port_status_mask_slave: return False
+        if self.flow_removed_mask_equal_master != other.flow_removed_mask_equal_master: return False
+        if self.flow_removed_mask_slave != other.flow_removed_mask_slave: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("async_set {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("packet_in_mask_equal_master = ");
+                q.text("%#x" % self.packet_in_mask_equal_master)
+                q.text(","); q.breakable()
+                q.text("packet_in_mask_slave = ");
+                q.text("%#x" % self.packet_in_mask_slave)
+                q.text(","); q.breakable()
+                q.text("port_status_mask_equal_master = ");
+                q.text("%#x" % self.port_status_mask_equal_master)
+                q.text(","); q.breakable()
+                q.text("port_status_mask_slave = ");
+                q.text("%#x" % self.port_status_mask_slave)
+                q.text(","); q.breakable()
+                q.text("flow_removed_mask_equal_master = ");
+                q.text("%#x" % self.flow_removed_mask_equal_master)
+                q.text(","); q.breakable()
+                q.text("flow_removed_mask_slave = ");
+                q.text("%#x" % self.flow_removed_mask_slave)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[28] = async_set
+
+class error_msg(message):
+    subtypes = {}
+
+    version = 4
+    type = 1
+
+    def __init__(self, xid=None, err_type=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if err_type != None:
+            self.err_type = err_type
+        else:
+            self.err_type = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!H', 8)
+        subclass = error_msg.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.err_type = reader.read("!H")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.err_type != other.err_type: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+message.subtypes[1] = error_msg
+
+class bad_action_error_msg(error_msg):
+    version = 4
+    type = 1
+    err_type = 2
+
+    def __init__(self, xid=None, code=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if code != None:
+            self.code = code
+        else:
+            self.code = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.code))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bad_action_error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 2)
+        obj.code = reader.read("!H")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.code != other.code: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bad_action_error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("code = ");
+                q.text("%#x" % self.code)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+error_msg.subtypes[2] = bad_action_error_msg
+
+class bad_instruction_error_msg(error_msg):
+    version = 4
+    type = 1
+    err_type = 3
+
+    def __init__(self, xid=None, code=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if code != None:
+            self.code = code
+        else:
+            self.code = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.code))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bad_instruction_error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 3)
+        obj.code = reader.read("!H")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.code != other.code: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bad_instruction_error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("code = ");
+                q.text("%#x" % self.code)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+error_msg.subtypes[3] = bad_instruction_error_msg
+
+class bad_match_error_msg(error_msg):
+    version = 4
+    type = 1
+    err_type = 4
+
+    def __init__(self, xid=None, code=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if code != None:
+            self.code = code
+        else:
+            self.code = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.code))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bad_match_error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 4)
+        obj.code = reader.read("!H")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.code != other.code: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bad_match_error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("code = ");
+                q.text("%#x" % self.code)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+error_msg.subtypes[4] = bad_match_error_msg
+
+class bad_request_error_msg(error_msg):
+    version = 4
+    type = 1
+    err_type = 1
+
+    def __init__(self, xid=None, code=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if code != None:
+            self.code = code
+        else:
+            self.code = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.code))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bad_request_error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 1)
+        obj.code = reader.read("!H")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.code != other.code: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bad_request_error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("code = ");
+                q.text("%#x" % self.code)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+error_msg.subtypes[1] = bad_request_error_msg
+
+class barrier_reply(message):
+    version = 4
+    type = 21
+
+    def __init__(self, xid=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = barrier_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 21)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("barrier_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+message.subtypes[21] = barrier_reply
+
+class barrier_request(message):
+    version = 4
+    type = 20
+
+    def __init__(self, xid=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = barrier_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 20)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("barrier_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+message.subtypes[20] = barrier_request
+
+class experimenter(message):
+    subtypes = {}
+
+    version = 4
+    type = 4
+
+    def __init__(self, xid=None, experimenter=None, subtype=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if experimenter != None:
+            self.experimenter = experimenter
+        else:
+            self.experimenter = 0
+        if subtype != None:
+            self.subtype = subtype
+        else:
+            self.subtype = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!L', 8)
+        subclass = experimenter.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = experimenter()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.experimenter = reader.read("!L")[0]
+        obj.subtype = reader.read("!L")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.experimenter != other.experimenter: return False
+        if self.subtype != other.subtype: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("experimenter {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("subtype = ");
+                q.text("%#x" % self.subtype)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[4] = experimenter
+
+class bsn_header(experimenter):
+    subtypes = {}
+
+    version = 4
+    type = 4
+    experimenter = 6035143
+
+    def __init__(self, xid=None, subtype=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if subtype != None:
+            self.subtype = subtype
+        else:
+            self.subtype = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!L', 12)
+        subclass = bsn_header.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = bsn_header()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        obj.subtype = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.subtype != other.subtype: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_header {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+experimenter.subtypes[6035143] = bsn_header
+
+class bsn_arp_idle(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 60
+
+    def __init__(self, xid=None, vlan_vid=None, ipv4_addr=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if vlan_vid != None:
+            self.vlan_vid = vlan_vid
+        else:
+            self.vlan_vid = 0
+        if ipv4_addr != None:
+            self.ipv4_addr = ipv4_addr
+        else:
+            self.ipv4_addr = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!H", self.vlan_vid))
+        packed.append('\x00' * 2)
+        packed.append(struct.pack("!L", self.ipv4_addr))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_arp_idle()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 60)
+        obj.vlan_vid = reader.read("!H")[0]
+        reader.skip(2)
+        obj.ipv4_addr = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.vlan_vid != other.vlan_vid: return False
+        if self.ipv4_addr != other.ipv4_addr: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_arp_idle {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("vlan_vid = ");
+                q.text("%#x" % self.vlan_vid)
+                q.text(","); q.breakable()
+                q.text("ipv4_addr = ");
+                q.text(util.pretty_ipv4(self.ipv4_addr))
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[60] = bsn_arp_idle
+
+class experimenter_error_msg(error_msg):
+    subtypes = {}
+
+    version = 4
+    type = 1
+    err_type = 65535
+
+    def __init__(self, xid=None, subtype=None, experimenter=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if subtype != None:
+            self.subtype = subtype
+        else:
+            self.subtype = 0
+        if experimenter != None:
+            self.experimenter = experimenter
+        else:
+            self.experimenter = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.subtype))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!L', 12)
+        subclass = experimenter_error_msg.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = experimenter_error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 65535)
+        obj.subtype = reader.read("!H")[0]
+        obj.experimenter = reader.read("!L")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.subtype != other.subtype: return False
+        if self.experimenter != other.experimenter: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("experimenter_error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("subtype = ");
+                q.text("%#x" % self.subtype)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+error_msg.subtypes[65535] = experimenter_error_msg
+
+class bsn_base_error(experimenter_error_msg):
+    subtypes = {}
+
+    version = 4
+    type = 1
+    err_type = 65535
+    experimenter = 6035143
+
+    def __init__(self, xid=None, subtype=None, err_msg=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if subtype != None:
+            self.subtype = subtype
+        else:
+            self.subtype = 0
+        if err_msg != None:
+            self.err_msg = err_msg
+        else:
+            self.err_msg = ""
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.subtype))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!256s", self.err_msg))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!H', 10)
+        subclass = bsn_base_error.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = bsn_base_error()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 65535)
+        obj.subtype = reader.read("!H")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        obj.err_msg = reader.read("!256s")[0].rstrip("\x00")
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.subtype != other.subtype: return False
+        if self.err_msg != other.err_msg: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_base_error {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("err_msg = ");
+                q.pp(self.err_msg)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+experimenter_error_msg.subtypes[6035143] = bsn_base_error
+
+class bsn_bw_clear_data_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 22
+
+    def __init__(self, xid=None, status=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.status))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_bw_clear_data_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 22)
+        obj.status = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.status != other.status: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_bw_clear_data_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("status = ");
+                q.text("%#x" % self.status)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[22] = bsn_bw_clear_data_reply
+
+class bsn_bw_clear_data_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 21
+
+    def __init__(self, xid=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_bw_clear_data_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 21)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_bw_clear_data_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[21] = bsn_bw_clear_data_request
+
+class bsn_bw_enable_get_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 20
+
+    def __init__(self, xid=None, enabled=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if enabled != None:
+            self.enabled = enabled
+        else:
+            self.enabled = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.enabled))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_bw_enable_get_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 20)
+        obj.enabled = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.enabled != other.enabled: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_bw_enable_get_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("enabled = ");
+                q.text("%#x" % self.enabled)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[20] = bsn_bw_enable_get_reply
+
+class bsn_bw_enable_get_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 19
+
+    def __init__(self, xid=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_bw_enable_get_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 19)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_bw_enable_get_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[19] = bsn_bw_enable_get_request
+
+class bsn_bw_enable_set_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 23
+
+    def __init__(self, xid=None, enable=None, status=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if enable != None:
+            self.enable = enable
+        else:
+            self.enable = 0
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.enable))
+        packed.append(struct.pack("!L", self.status))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_bw_enable_set_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 23)
+        obj.enable = reader.read("!L")[0]
+        obj.status = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.enable != other.enable: return False
+        if self.status != other.status: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_bw_enable_set_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("enable = ");
+                q.text("%#x" % self.enable)
+                q.text(","); q.breakable()
+                q.text("status = ");
+                q.text("%#x" % self.status)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[23] = bsn_bw_enable_set_reply
+
+class bsn_bw_enable_set_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 18
+
+    def __init__(self, xid=None, enable=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if enable != None:
+            self.enable = enable
+        else:
+            self.enable = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.enable))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_bw_enable_set_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 18)
+        obj.enable = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.enable != other.enable: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_bw_enable_set_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("enable = ");
+                q.text("%#x" % self.enable)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[18] = bsn_bw_enable_set_request
+
+class bsn_controller_connections_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 57
+
+    def __init__(self, xid=None, connections=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if connections != None:
+            self.connections = connections
+        else:
+            self.connections = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.connections))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_controller_connections_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 57)
+        obj.connections = loxi.generic_util.unpack_list(reader, ofp.common.bsn_controller_connection.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.connections != other.connections: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_controller_connections_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("connections = ");
+                q.pp(self.connections)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[57] = bsn_controller_connections_reply
+
+class bsn_controller_connections_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 56
+
+    def __init__(self, xid=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_controller_connections_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 56)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_controller_connections_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[56] = bsn_controller_connections_request
+
+class experimenter_stats_reply(stats_reply):
+    subtypes = {}
+
+    version = 4
+    type = 19
+    stats_type = 65535
+
+    def __init__(self, xid=None, flags=None, experimenter=None, subtype=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if experimenter != None:
+            self.experimenter = experimenter
+        else:
+            self.experimenter = 0
+        if subtype != None:
+            self.subtype = subtype
+        else:
+            self.subtype = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!L', 16)
+        subclass = experimenter_stats_reply.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = experimenter_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.experimenter = reader.read("!L")[0]
+        obj.subtype = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.experimenter != other.experimenter: return False
+        if self.subtype != other.subtype: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("experimenter_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("subtype = ");
+                q.text("%#x" % self.subtype)
+            q.breakable()
+        q.text('}')
+
+stats_reply.subtypes[65535] = experimenter_stats_reply
+
+class bsn_stats_reply(experimenter_stats_reply):
+    subtypes = {}
+
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+
+    def __init__(self, xid=None, flags=None, subtype=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if subtype != None:
+            self.subtype = subtype
+        else:
+            self.subtype = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!L', 20)
+        subclass = bsn_stats_reply.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = bsn_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        obj.subtype = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.subtype != other.subtype: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+experimenter_stats_reply.subtypes[6035143] = bsn_stats_reply
+
+class bsn_debug_counter_desc_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 13
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_debug_counter_desc_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 13)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.bsn_debug_counter_desc_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_debug_counter_desc_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[13] = bsn_debug_counter_desc_stats_reply
+
+class experimenter_stats_request(stats_request):
+    subtypes = {}
+
+    version = 4
+    type = 18
+    stats_type = 65535
+
+    def __init__(self, xid=None, flags=None, experimenter=None, subtype=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if experimenter != None:
+            self.experimenter = experimenter
+        else:
+            self.experimenter = 0
+        if subtype != None:
+            self.subtype = subtype
+        else:
+            self.subtype = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!L', 16)
+        subclass = experimenter_stats_request.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = experimenter_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.experimenter = reader.read("!L")[0]
+        obj.subtype = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.experimenter != other.experimenter: return False
+        if self.subtype != other.subtype: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("experimenter_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("subtype = ");
+                q.text("%#x" % self.subtype)
+            q.breakable()
+        q.text('}')
+
+stats_request.subtypes[65535] = experimenter_stats_request
+
+class bsn_stats_request(experimenter_stats_request):
+    subtypes = {}
+
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+
+    def __init__(self, xid=None, flags=None, subtype=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if subtype != None:
+            self.subtype = subtype
+        else:
+            self.subtype = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!L', 20)
+        subclass = bsn_stats_request.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = bsn_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        obj.subtype = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.subtype != other.subtype: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+experimenter_stats_request.subtypes[6035143] = bsn_stats_request
+
+class bsn_debug_counter_desc_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 13
+
+    def __init__(self, xid=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_debug_counter_desc_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 13)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_debug_counter_desc_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[13] = bsn_debug_counter_desc_stats_request
+
+class bsn_debug_counter_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 12
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_debug_counter_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 12)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.bsn_debug_counter_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_debug_counter_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[12] = bsn_debug_counter_stats_reply
+
+class bsn_debug_counter_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 12
+
+    def __init__(self, xid=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_debug_counter_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 12)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_debug_counter_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[12] = bsn_debug_counter_stats_request
+
+class bsn_error(bsn_base_error):
+    version = 4
+    type = 1
+    err_type = 65535
+    subtype = 1
+    experimenter = 6035143
+
+    def __init__(self, xid=None, err_msg=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if err_msg != None:
+            self.err_msg = err_msg
+        else:
+            self.err_msg = ""
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.subtype))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!256s", self.err_msg))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_error()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 65535)
+        _subtype = reader.read("!H")[0]
+        assert(_subtype == 1)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        obj.err_msg = reader.read("!256s")[0].rstrip("\x00")
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.err_msg != other.err_msg: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_error {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("err_msg = ");
+                q.pp(self.err_msg)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+bsn_base_error.subtypes[1] = bsn_error
+
+class bsn_flow_checksum_bucket_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 10
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_flow_checksum_bucket_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 10)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.bsn_flow_checksum_bucket_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_flow_checksum_bucket_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[10] = bsn_flow_checksum_bucket_stats_reply
+
+class bsn_flow_checksum_bucket_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 10
+
+    def __init__(self, xid=None, flags=None, table_id=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!B", self.table_id))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_flow_checksum_bucket_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 10)
+        obj.table_id = reader.read("!B")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.table_id != other.table_id: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_flow_checksum_bucket_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[10] = bsn_flow_checksum_bucket_stats_request
+
+class bsn_flow_idle(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 40
+
+    def __init__(self, xid=None, cookie=None, priority=None, table_id=None, match=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if cookie != None:
+            self.cookie = cookie
+        else:
+            self.cookie = 0
+        if priority != None:
+            self.priority = priority
+        else:
+            self.priority = 0
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if match != None:
+            self.match = match
+        else:
+            self.match = ofp.match()
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!Q", self.cookie))
+        packed.append(struct.pack("!H", self.priority))
+        packed.append(struct.pack("!B", self.table_id))
+        packed.append('\x00' * 5)
+        packed.append(self.match.pack())
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_flow_idle()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 40)
+        obj.cookie = reader.read("!Q")[0]
+        obj.priority = reader.read("!H")[0]
+        obj.table_id = reader.read("!B")[0]
+        reader.skip(5)
+        obj.match = ofp.match.unpack(reader)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.cookie != other.cookie: return False
+        if self.priority != other.priority: return False
+        if self.table_id != other.table_id: return False
+        if self.match != other.match: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_flow_idle {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("cookie = ");
+                q.text("%#x" % self.cookie)
+                q.text(","); q.breakable()
+                q.text("priority = ");
+                q.text("%#x" % self.priority)
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("match = ");
+                q.pp(self.match)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[40] = bsn_flow_idle
+
+class bsn_flow_idle_enable_get_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 39
+
+    def __init__(self, xid=None, enabled=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if enabled != None:
+            self.enabled = enabled
+        else:
+            self.enabled = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.enabled))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_flow_idle_enable_get_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 39)
+        obj.enabled = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.enabled != other.enabled: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_flow_idle_enable_get_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("enabled = ");
+                q.text("%#x" % self.enabled)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[39] = bsn_flow_idle_enable_get_reply
+
+class bsn_flow_idle_enable_get_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 38
+
+    def __init__(self, xid=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_flow_idle_enable_get_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 38)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_flow_idle_enable_get_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[38] = bsn_flow_idle_enable_get_request
+
+class bsn_flow_idle_enable_set_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 37
+
+    def __init__(self, xid=None, enable=None, status=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if enable != None:
+            self.enable = enable
+        else:
+            self.enable = 0
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.enable))
+        packed.append(struct.pack("!L", self.status))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_flow_idle_enable_set_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 37)
+        obj.enable = reader.read("!L")[0]
+        obj.status = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.enable != other.enable: return False
+        if self.status != other.status: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_flow_idle_enable_set_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("enable = ");
+                q.text("%#x" % self.enable)
+                q.text(","); q.breakable()
+                q.text("status = ");
+                q.text("%#x" % self.status)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[37] = bsn_flow_idle_enable_set_reply
+
+class bsn_flow_idle_enable_set_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 36
+
+    def __init__(self, xid=None, enable=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if enable != None:
+            self.enable = enable
+        else:
+            self.enable = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.enable))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_flow_idle_enable_set_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 36)
+        obj.enable = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.enable != other.enable: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_flow_idle_enable_set_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("enable = ");
+                q.text("%#x" % self.enable)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[36] = bsn_flow_idle_enable_set_request
+
+class bsn_generic_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 16
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_generic_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 16)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.bsn_generic_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_generic_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[16] = bsn_generic_stats_reply
+
+class bsn_generic_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 16
+
+    def __init__(self, xid=None, flags=None, name=None, tlvs=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if name != None:
+            self.name = name
+        else:
+            self.name = ""
+        if tlvs != None:
+            self.tlvs = tlvs
+        else:
+            self.tlvs = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!64s", self.name))
+        packed.append(loxi.generic_util.pack_list(self.tlvs))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_generic_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 16)
+        obj.name = reader.read("!64s")[0].rstrip("\x00")
+        obj.tlvs = loxi.generic_util.unpack_list(reader, ofp.bsn_tlv.bsn_tlv.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.name != other.name: return False
+        if self.tlvs != other.tlvs: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_generic_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("name = ");
+                q.pp(self.name)
+                q.text(","); q.breakable()
+                q.text("tlvs = ");
+                q.pp(self.tlvs)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[16] = bsn_generic_stats_request
+
+class bsn_gentable_bucket_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 5
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable_bucket_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 5)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.bsn_gentable_bucket_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable_bucket_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[5] = bsn_gentable_bucket_stats_reply
+
+class bsn_gentable_bucket_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 5
+
+    def __init__(self, xid=None, flags=None, table_id=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!H", self.table_id))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable_bucket_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 5)
+        obj.table_id = reader.read("!H")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.table_id != other.table_id: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable_bucket_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[5] = bsn_gentable_bucket_stats_request
+
+class bsn_gentable_clear_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 49
+
+    def __init__(self, xid=None, table_id=None, deleted_count=None, error_count=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if deleted_count != None:
+            self.deleted_count = deleted_count
+        else:
+            self.deleted_count = 0
+        if error_count != None:
+            self.error_count = error_count
+        else:
+            self.error_count = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!H", self.table_id))
+        packed.append('\x00' * 2)
+        packed.append(struct.pack("!L", self.deleted_count))
+        packed.append(struct.pack("!L", self.error_count))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable_clear_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 49)
+        obj.table_id = reader.read("!H")[0]
+        reader.skip(2)
+        obj.deleted_count = reader.read("!L")[0]
+        obj.error_count = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.table_id != other.table_id: return False
+        if self.deleted_count != other.deleted_count: return False
+        if self.error_count != other.error_count: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable_clear_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("deleted_count = ");
+                q.text("%#x" % self.deleted_count)
+                q.text(","); q.breakable()
+                q.text("error_count = ");
+                q.text("%#x" % self.error_count)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[49] = bsn_gentable_clear_reply
+
+class bsn_gentable_clear_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 48
+
+    def __init__(self, xid=None, table_id=None, checksum=None, checksum_mask=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if checksum != None:
+            self.checksum = checksum
+        else:
+            self.checksum = 0
+        if checksum_mask != None:
+            self.checksum_mask = checksum_mask
+        else:
+            self.checksum_mask = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!H", self.table_id))
+        packed.append('\x00' * 2)
+        packed.append(util.pack_checksum_128(self.checksum))
+        packed.append(util.pack_checksum_128(self.checksum_mask))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable_clear_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 48)
+        obj.table_id = reader.read("!H")[0]
+        reader.skip(2)
+        obj.checksum = util.unpack_checksum_128(reader)
+        obj.checksum_mask = util.unpack_checksum_128(reader)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.table_id != other.table_id: return False
+        if self.checksum != other.checksum: return False
+        if self.checksum_mask != other.checksum_mask: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable_clear_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("checksum = ");
+                q.pp(self.checksum)
+                q.text(","); q.breakable()
+                q.text("checksum_mask = ");
+                q.pp(self.checksum_mask)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[48] = bsn_gentable_clear_request
+
+class bsn_gentable_desc_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 4
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable_desc_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 4)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.bsn_gentable_desc_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable_desc_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[4] = bsn_gentable_desc_stats_reply
+
+class bsn_gentable_desc_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 4
+
+    def __init__(self, xid=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable_desc_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable_desc_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[4] = bsn_gentable_desc_stats_request
+
+class bsn_gentable_entry_add(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 46
+
+    def __init__(self, xid=None, table_id=None, checksum=None, key=None, value=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if checksum != None:
+            self.checksum = checksum
+        else:
+            self.checksum = 0
+        if key != None:
+            self.key = key
+        else:
+            self.key = []
+        if value != None:
+            self.value = value
+        else:
+            self.value = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!H", self.table_id))
+        packed.append(struct.pack("!H", 0)) # placeholder for key_length at index 7
+        packed.append(util.pack_checksum_128(self.checksum))
+        packed.append(loxi.generic_util.pack_list(self.key))
+        packed[7] = struct.pack("!H", len(packed[-1]))
+        packed.append(loxi.generic_util.pack_list(self.value))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable_entry_add()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 46)
+        obj.table_id = reader.read("!H")[0]
+        _key_length = reader.read("!H")[0]
+        obj.checksum = util.unpack_checksum_128(reader)
+        obj.key = loxi.generic_util.unpack_list(reader.slice(_key_length), ofp.bsn_tlv.bsn_tlv.unpack)
+        obj.value = loxi.generic_util.unpack_list(reader, ofp.bsn_tlv.bsn_tlv.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.table_id != other.table_id: return False
+        if self.checksum != other.checksum: return False
+        if self.key != other.key: return False
+        if self.value != other.value: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable_entry_add {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("checksum = ");
+                q.pp(self.checksum)
+                q.text(","); q.breakable()
+                q.text("key = ");
+                q.pp(self.key)
+                q.text(","); q.breakable()
+                q.text("value = ");
+                q.pp(self.value)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[46] = bsn_gentable_entry_add
+
+class bsn_gentable_entry_delete(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 47
+
+    def __init__(self, xid=None, table_id=None, key=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if key != None:
+            self.key = key
+        else:
+            self.key = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!H", self.table_id))
+        packed.append(loxi.generic_util.pack_list(self.key))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable_entry_delete()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 47)
+        obj.table_id = reader.read("!H")[0]
+        obj.key = loxi.generic_util.unpack_list(reader, ofp.bsn_tlv.bsn_tlv.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.table_id != other.table_id: return False
+        if self.key != other.key: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable_entry_delete {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("key = ");
+                q.pp(self.key)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[47] = bsn_gentable_entry_delete
+
+class bsn_gentable_entry_desc_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 2
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable_entry_desc_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 2)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.bsn_gentable_entry_desc_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable_entry_desc_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[2] = bsn_gentable_entry_desc_stats_reply
+
+class bsn_gentable_entry_desc_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 2
+
+    def __init__(self, xid=None, flags=None, table_id=None, checksum=None, checksum_mask=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if checksum != None:
+            self.checksum = checksum
+        else:
+            self.checksum = 0
+        if checksum_mask != None:
+            self.checksum_mask = checksum_mask
+        else:
+            self.checksum_mask = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!H", self.table_id))
+        packed.append('\x00' * 2)
+        packed.append(util.pack_checksum_128(self.checksum))
+        packed.append(util.pack_checksum_128(self.checksum_mask))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable_entry_desc_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 2)
+        obj.table_id = reader.read("!H")[0]
+        reader.skip(2)
+        obj.checksum = util.unpack_checksum_128(reader)
+        obj.checksum_mask = util.unpack_checksum_128(reader)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.table_id != other.table_id: return False
+        if self.checksum != other.checksum: return False
+        if self.checksum_mask != other.checksum_mask: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable_entry_desc_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("checksum = ");
+                q.pp(self.checksum)
+                q.text(","); q.breakable()
+                q.text("checksum_mask = ");
+                q.pp(self.checksum_mask)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[2] = bsn_gentable_entry_desc_stats_request
+
+class bsn_gentable_entry_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 3
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable_entry_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 3)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.bsn_gentable_entry_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable_entry_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[3] = bsn_gentable_entry_stats_reply
+
+class bsn_gentable_entry_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 3
+
+    def __init__(self, xid=None, flags=None, table_id=None, checksum=None, checksum_mask=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if checksum != None:
+            self.checksum = checksum
+        else:
+            self.checksum = 0
+        if checksum_mask != None:
+            self.checksum_mask = checksum_mask
+        else:
+            self.checksum_mask = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!H", self.table_id))
+        packed.append('\x00' * 2)
+        packed.append(util.pack_checksum_128(self.checksum))
+        packed.append(util.pack_checksum_128(self.checksum_mask))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable_entry_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 3)
+        obj.table_id = reader.read("!H")[0]
+        reader.skip(2)
+        obj.checksum = util.unpack_checksum_128(reader)
+        obj.checksum_mask = util.unpack_checksum_128(reader)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.table_id != other.table_id: return False
+        if self.checksum != other.checksum: return False
+        if self.checksum_mask != other.checksum_mask: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable_entry_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("checksum = ");
+                q.pp(self.checksum)
+                q.text(","); q.breakable()
+                q.text("checksum_mask = ");
+                q.pp(self.checksum_mask)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[3] = bsn_gentable_entry_stats_request
+
+class bsn_gentable_set_buckets_size(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 50
+
+    def __init__(self, xid=None, table_id=None, buckets_size=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if buckets_size != None:
+            self.buckets_size = buckets_size
+        else:
+            self.buckets_size = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!H", self.table_id))
+        packed.append('\x00' * 2)
+        packed.append(struct.pack("!L", self.buckets_size))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable_set_buckets_size()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 50)
+        obj.table_id = reader.read("!H")[0]
+        reader.skip(2)
+        obj.buckets_size = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.table_id != other.table_id: return False
+        if self.buckets_size != other.buckets_size: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable_set_buckets_size {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("buckets_size = ");
+                q.text("%#x" % self.buckets_size)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[50] = bsn_gentable_set_buckets_size
+
+class bsn_gentable_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 7
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 7)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.bsn_gentable_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[7] = bsn_gentable_stats_reply
+
+class bsn_gentable_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 7
+
+    def __init__(self, xid=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 7)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[7] = bsn_gentable_stats_request
+
+class bsn_get_interfaces_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 10
+
+    def __init__(self, xid=None, interfaces=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if interfaces != None:
+            self.interfaces = interfaces
+        else:
+            self.interfaces = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.interfaces))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_get_interfaces_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 10)
+        obj.interfaces = loxi.generic_util.unpack_list(reader, ofp.common.bsn_interface.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.interfaces != other.interfaces: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_get_interfaces_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("interfaces = ");
+                q.pp(self.interfaces)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[10] = bsn_get_interfaces_reply
+
+class bsn_get_interfaces_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 9
+
+    def __init__(self, xid=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_get_interfaces_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 9)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_get_interfaces_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[9] = bsn_get_interfaces_request
+
+class bsn_get_mirroring_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 5
+
+    def __init__(self, xid=None, report_mirror_ports=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if report_mirror_ports != None:
+            self.report_mirror_ports = report_mirror_ports
+        else:
+            self.report_mirror_ports = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!B", self.report_mirror_ports))
+        packed.append('\x00' * 3)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_get_mirroring_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 5)
+        obj.report_mirror_ports = reader.read("!B")[0]
+        reader.skip(3)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.report_mirror_ports != other.report_mirror_ports: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_get_mirroring_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("report_mirror_ports = ");
+                q.text("%#x" % self.report_mirror_ports)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[5] = bsn_get_mirroring_reply
+
+class bsn_get_mirroring_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 4
+
+    def __init__(self, xid=None, report_mirror_ports=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if report_mirror_ports != None:
+            self.report_mirror_ports = report_mirror_ports
+        else:
+            self.report_mirror_ports = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!B", self.report_mirror_ports))
+        packed.append('\x00' * 3)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_get_mirroring_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 4)
+        obj.report_mirror_ports = reader.read("!B")[0]
+        reader.skip(3)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.report_mirror_ports != other.report_mirror_ports: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_get_mirroring_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("report_mirror_ports = ");
+                q.text("%#x" % self.report_mirror_ports)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[4] = bsn_get_mirroring_request
+
+class bsn_get_switch_pipeline_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 52
+
+    def __init__(self, xid=None, pipeline=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if pipeline != None:
+            self.pipeline = pipeline
+        else:
+            self.pipeline = ""
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!256s", self.pipeline))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_get_switch_pipeline_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 52)
+        obj.pipeline = reader.read("!256s")[0].rstrip("\x00")
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.pipeline != other.pipeline: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_get_switch_pipeline_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("pipeline = ");
+                q.pp(self.pipeline)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[52] = bsn_get_switch_pipeline_reply
+
+class bsn_get_switch_pipeline_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 51
+
+    def __init__(self, xid=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_get_switch_pipeline_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 51)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_get_switch_pipeline_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[51] = bsn_get_switch_pipeline_request
+
+class bsn_image_desc_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 14
+
+    def __init__(self, xid=None, flags=None, image_checksum=None, startup_config_checksum=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if image_checksum != None:
+            self.image_checksum = image_checksum
+        else:
+            self.image_checksum = ""
+        if startup_config_checksum != None:
+            self.startup_config_checksum = startup_config_checksum
+        else:
+            self.startup_config_checksum = ""
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!256s", self.image_checksum))
+        packed.append(struct.pack("!256s", self.startup_config_checksum))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_image_desc_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 14)
+        obj.image_checksum = reader.read("!256s")[0].rstrip("\x00")
+        obj.startup_config_checksum = reader.read("!256s")[0].rstrip("\x00")
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.image_checksum != other.image_checksum: return False
+        if self.startup_config_checksum != other.startup_config_checksum: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_image_desc_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("image_checksum = ");
+                q.pp(self.image_checksum)
+                q.text(","); q.breakable()
+                q.text("startup_config_checksum = ");
+                q.pp(self.startup_config_checksum)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[14] = bsn_image_desc_stats_reply
+
+class bsn_image_desc_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 14
+
+    def __init__(self, xid=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_image_desc_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 14)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_image_desc_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[14] = bsn_image_desc_stats_request
+
+class bsn_lacp_convergence_notif(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 43
+
+    def __init__(self, xid=None, convergence_status=None, port_no=None, actor_sys_priority=None, actor_sys_mac=None, actor_port_priority=None, actor_port_num=None, actor_key=None, partner_sys_priority=None, partner_sys_mac=None, partner_port_priority=None, partner_port_num=None, partner_key=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if convergence_status != None:
+            self.convergence_status = convergence_status
+        else:
+            self.convergence_status = 0
+        if port_no != None:
+            self.port_no = port_no
+        else:
+            self.port_no = 0
+        if actor_sys_priority != None:
+            self.actor_sys_priority = actor_sys_priority
+        else:
+            self.actor_sys_priority = 0
+        if actor_sys_mac != None:
+            self.actor_sys_mac = actor_sys_mac
+        else:
+            self.actor_sys_mac = [0,0,0,0,0,0]
+        if actor_port_priority != None:
+            self.actor_port_priority = actor_port_priority
+        else:
+            self.actor_port_priority = 0
+        if actor_port_num != None:
+            self.actor_port_num = actor_port_num
+        else:
+            self.actor_port_num = 0
+        if actor_key != None:
+            self.actor_key = actor_key
+        else:
+            self.actor_key = 0
+        if partner_sys_priority != None:
+            self.partner_sys_priority = partner_sys_priority
+        else:
+            self.partner_sys_priority = 0
+        if partner_sys_mac != None:
+            self.partner_sys_mac = partner_sys_mac
+        else:
+            self.partner_sys_mac = [0,0,0,0,0,0]
+        if partner_port_priority != None:
+            self.partner_port_priority = partner_port_priority
+        else:
+            self.partner_port_priority = 0
+        if partner_port_num != None:
+            self.partner_port_num = partner_port_num
+        else:
+            self.partner_port_num = 0
+        if partner_key != None:
+            self.partner_key = partner_key
+        else:
+            self.partner_key = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!B", self.convergence_status))
+        packed.append('\x00' * 3)
+        packed.append(util.pack_port_no(self.port_no))
+        packed.append(struct.pack("!H", self.actor_sys_priority))
+        packed.append(struct.pack("!6B", *self.actor_sys_mac))
+        packed.append(struct.pack("!H", self.actor_port_priority))
+        packed.append(struct.pack("!H", self.actor_port_num))
+        packed.append(struct.pack("!H", self.actor_key))
+        packed.append(struct.pack("!H", self.partner_sys_priority))
+        packed.append(struct.pack("!6B", *self.partner_sys_mac))
+        packed.append(struct.pack("!H", self.partner_port_priority))
+        packed.append(struct.pack("!H", self.partner_port_num))
+        packed.append(struct.pack("!H", self.partner_key))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_lacp_convergence_notif()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 43)
+        obj.convergence_status = reader.read("!B")[0]
+        reader.skip(3)
+        obj.port_no = util.unpack_port_no(reader)
+        obj.actor_sys_priority = reader.read("!H")[0]
+        obj.actor_sys_mac = list(reader.read('!6B'))
+        obj.actor_port_priority = reader.read("!H")[0]
+        obj.actor_port_num = reader.read("!H")[0]
+        obj.actor_key = reader.read("!H")[0]
+        obj.partner_sys_priority = reader.read("!H")[0]
+        obj.partner_sys_mac = list(reader.read('!6B'))
+        obj.partner_port_priority = reader.read("!H")[0]
+        obj.partner_port_num = reader.read("!H")[0]
+        obj.partner_key = reader.read("!H")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.convergence_status != other.convergence_status: return False
+        if self.port_no != other.port_no: return False
+        if self.actor_sys_priority != other.actor_sys_priority: return False
+        if self.actor_sys_mac != other.actor_sys_mac: return False
+        if self.actor_port_priority != other.actor_port_priority: return False
+        if self.actor_port_num != other.actor_port_num: return False
+        if self.actor_key != other.actor_key: return False
+        if self.partner_sys_priority != other.partner_sys_priority: return False
+        if self.partner_sys_mac != other.partner_sys_mac: return False
+        if self.partner_port_priority != other.partner_port_priority: return False
+        if self.partner_port_num != other.partner_port_num: return False
+        if self.partner_key != other.partner_key: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_lacp_convergence_notif {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("convergence_status = ");
+                q.text("%#x" % self.convergence_status)
+                q.text(","); q.breakable()
+                q.text("port_no = ");
+                q.text(util.pretty_port(self.port_no))
+                q.text(","); q.breakable()
+                q.text("actor_sys_priority = ");
+                q.text("%#x" % self.actor_sys_priority)
+                q.text(","); q.breakable()
+                q.text("actor_sys_mac = ");
+                q.text(util.pretty_mac(self.actor_sys_mac))
+                q.text(","); q.breakable()
+                q.text("actor_port_priority = ");
+                q.text("%#x" % self.actor_port_priority)
+                q.text(","); q.breakable()
+                q.text("actor_port_num = ");
+                q.text("%#x" % self.actor_port_num)
+                q.text(","); q.breakable()
+                q.text("actor_key = ");
+                q.text("%#x" % self.actor_key)
+                q.text(","); q.breakable()
+                q.text("partner_sys_priority = ");
+                q.text("%#x" % self.partner_sys_priority)
+                q.text(","); q.breakable()
+                q.text("partner_sys_mac = ");
+                q.text(util.pretty_mac(self.partner_sys_mac))
+                q.text(","); q.breakable()
+                q.text("partner_port_priority = ");
+                q.text("%#x" % self.partner_port_priority)
+                q.text(","); q.breakable()
+                q.text("partner_port_num = ");
+                q.text("%#x" % self.partner_port_num)
+                q.text(","); q.breakable()
+                q.text("partner_key = ");
+                q.text("%#x" % self.partner_key)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[43] = bsn_lacp_convergence_notif
+
+class bsn_lacp_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 1
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_lacp_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 1)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.bsn_lacp_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_lacp_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[1] = bsn_lacp_stats_reply
+
+class bsn_lacp_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 1
+
+    def __init__(self, xid=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_lacp_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 1)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_lacp_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[1] = bsn_lacp_stats_request
+
+class bsn_log(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 63
+
+    def __init__(self, xid=None, loglevel=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if loglevel != None:
+            self.loglevel = loglevel
+        else:
+            self.loglevel = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!B", self.loglevel))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_log()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 63)
+        obj.loglevel = reader.read("!B")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.loglevel != other.loglevel: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_log {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("loglevel = ");
+                q.text("%#x" % self.loglevel)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[63] = bsn_log
+
+class bsn_lua_command_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 66
+
+    def __init__(self, xid=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_lua_command_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 66)
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_lua_command_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[66] = bsn_lua_command_reply
+
+class bsn_lua_command_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 65
+
+    def __init__(self, xid=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_lua_command_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 65)
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_lua_command_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[65] = bsn_lua_command_request
+
+class bsn_lua_notification(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 67
+
+    def __init__(self, xid=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_lua_notification()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 67)
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_lua_notification {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[67] = bsn_lua_notification
+
+class bsn_lua_upload(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 64
+
+    def __init__(self, xid=None, flags=None, filename=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if filename != None:
+            self.filename = filename
+        else:
+            self.filename = ""
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append(struct.pack("!64s", self.filename))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_lua_upload()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 64)
+        obj.flags = reader.read("!H")[0]
+        obj.filename = reader.read("!64s")[0].rstrip("\x00")
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.filename != other.filename: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_lua_upload {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("filename = ");
+                q.pp(self.filename)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[64] = bsn_lua_upload
+
+class bsn_pdu_rx_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 34
+
+    def __init__(self, xid=None, status=None, port_no=None, slot_num=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+        if port_no != None:
+            self.port_no = port_no
+        else:
+            self.port_no = 0
+        if slot_num != None:
+            self.slot_num = slot_num
+        else:
+            self.slot_num = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.status))
+        packed.append(util.pack_port_no(self.port_no))
+        packed.append(struct.pack("!B", self.slot_num))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_pdu_rx_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 34)
+        obj.status = reader.read("!L")[0]
+        obj.port_no = util.unpack_port_no(reader)
+        obj.slot_num = reader.read("!B")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.status != other.status: return False
+        if self.port_no != other.port_no: return False
+        if self.slot_num != other.slot_num: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_pdu_rx_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("status = ");
+                q.text("%#x" % self.status)
+                q.text(","); q.breakable()
+                q.text("port_no = ");
+                q.text(util.pretty_port(self.port_no))
+                q.text(","); q.breakable()
+                q.text("slot_num = ");
+                q.text("%#x" % self.slot_num)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[34] = bsn_pdu_rx_reply
+
+class bsn_pdu_rx_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 33
+
+    def __init__(self, xid=None, timeout_ms=None, port_no=None, slot_num=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if timeout_ms != None:
+            self.timeout_ms = timeout_ms
+        else:
+            self.timeout_ms = 0
+        if port_no != None:
+            self.port_no = port_no
+        else:
+            self.port_no = 0
+        if slot_num != None:
+            self.slot_num = slot_num
+        else:
+            self.slot_num = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.timeout_ms))
+        packed.append(util.pack_port_no(self.port_no))
+        packed.append(struct.pack("!B", self.slot_num))
+        packed.append('\x00' * 3)
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_pdu_rx_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 33)
+        obj.timeout_ms = reader.read("!L")[0]
+        obj.port_no = util.unpack_port_no(reader)
+        obj.slot_num = reader.read("!B")[0]
+        reader.skip(3)
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.timeout_ms != other.timeout_ms: return False
+        if self.port_no != other.port_no: return False
+        if self.slot_num != other.slot_num: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_pdu_rx_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("timeout_ms = ");
+                q.text("%#x" % self.timeout_ms)
+                q.text(","); q.breakable()
+                q.text("port_no = ");
+                q.text(util.pretty_port(self.port_no))
+                q.text(","); q.breakable()
+                q.text("slot_num = ");
+                q.text("%#x" % self.slot_num)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[33] = bsn_pdu_rx_request
+
+class bsn_pdu_rx_timeout(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 35
+
+    def __init__(self, xid=None, port_no=None, slot_num=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if port_no != None:
+            self.port_no = port_no
+        else:
+            self.port_no = 0
+        if slot_num != None:
+            self.slot_num = slot_num
+        else:
+            self.slot_num = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(util.pack_port_no(self.port_no))
+        packed.append(struct.pack("!B", self.slot_num))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_pdu_rx_timeout()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 35)
+        obj.port_no = util.unpack_port_no(reader)
+        obj.slot_num = reader.read("!B")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.port_no != other.port_no: return False
+        if self.slot_num != other.slot_num: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_pdu_rx_timeout {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("port_no = ");
+                q.text(util.pretty_port(self.port_no))
+                q.text(","); q.breakable()
+                q.text("slot_num = ");
+                q.text("%#x" % self.slot_num)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[35] = bsn_pdu_rx_timeout
+
+class bsn_pdu_tx_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 32
+
+    def __init__(self, xid=None, status=None, port_no=None, slot_num=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+        if port_no != None:
+            self.port_no = port_no
+        else:
+            self.port_no = 0
+        if slot_num != None:
+            self.slot_num = slot_num
+        else:
+            self.slot_num = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.status))
+        packed.append(util.pack_port_no(self.port_no))
+        packed.append(struct.pack("!B", self.slot_num))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_pdu_tx_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 32)
+        obj.status = reader.read("!L")[0]
+        obj.port_no = util.unpack_port_no(reader)
+        obj.slot_num = reader.read("!B")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.status != other.status: return False
+        if self.port_no != other.port_no: return False
+        if self.slot_num != other.slot_num: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_pdu_tx_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("status = ");
+                q.text("%#x" % self.status)
+                q.text(","); q.breakable()
+                q.text("port_no = ");
+                q.text(util.pretty_port(self.port_no))
+                q.text(","); q.breakable()
+                q.text("slot_num = ");
+                q.text("%#x" % self.slot_num)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[32] = bsn_pdu_tx_reply
+
+class bsn_pdu_tx_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 31
+
+    def __init__(self, xid=None, tx_interval_ms=None, port_no=None, slot_num=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if tx_interval_ms != None:
+            self.tx_interval_ms = tx_interval_ms
+        else:
+            self.tx_interval_ms = 0
+        if port_no != None:
+            self.port_no = port_no
+        else:
+            self.port_no = 0
+        if slot_num != None:
+            self.slot_num = slot_num
+        else:
+            self.slot_num = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.tx_interval_ms))
+        packed.append(util.pack_port_no(self.port_no))
+        packed.append(struct.pack("!B", self.slot_num))
+        packed.append('\x00' * 3)
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_pdu_tx_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 31)
+        obj.tx_interval_ms = reader.read("!L")[0]
+        obj.port_no = util.unpack_port_no(reader)
+        obj.slot_num = reader.read("!B")[0]
+        reader.skip(3)
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.tx_interval_ms != other.tx_interval_ms: return False
+        if self.port_no != other.port_no: return False
+        if self.slot_num != other.slot_num: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_pdu_tx_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("tx_interval_ms = ");
+                q.text("%#x" % self.tx_interval_ms)
+                q.text(","); q.breakable()
+                q.text("port_no = ");
+                q.text(util.pretty_port(self.port_no))
+                q.text(","); q.breakable()
+                q.text("slot_num = ");
+                q.text("%#x" % self.slot_num)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[31] = bsn_pdu_tx_request
+
+class bsn_port_counter_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 8
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_port_counter_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 8)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.bsn_port_counter_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_port_counter_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[8] = bsn_port_counter_stats_reply
+
+class bsn_port_counter_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 8
+
+    def __init__(self, xid=None, flags=None, port_no=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if port_no != None:
+            self.port_no = port_no
+        else:
+            self.port_no = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(util.pack_port_no(self.port_no))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_port_counter_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 8)
+        obj.port_no = util.unpack_port_no(reader)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.port_no != other.port_no: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_port_counter_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("port_no = ");
+                q.text(util.pretty_port(self.port_no))
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[8] = bsn_port_counter_stats_request
+
+class bsn_role_status(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 55
+
+    def __init__(self, xid=None, role=None, reason=None, generation_id=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if role != None:
+            self.role = role
+        else:
+            self.role = 0
+        if reason != None:
+            self.reason = reason
+        else:
+            self.reason = 0
+        if generation_id != None:
+            self.generation_id = generation_id
+        else:
+            self.generation_id = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.role))
+        packed.append(struct.pack("!B", self.reason))
+        packed.append('\x00' * 3)
+        packed.append(struct.pack("!Q", self.generation_id))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_role_status()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 55)
+        obj.role = reader.read("!L")[0]
+        obj.reason = reader.read("!B")[0]
+        reader.skip(3)
+        obj.generation_id = reader.read("!Q")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.role != other.role: return False
+        if self.reason != other.reason: return False
+        if self.generation_id != other.generation_id: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_role_status {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("role = ");
+                q.text("%#x" % self.role)
+                q.text(","); q.breakable()
+                q.text("reason = ");
+                q.text("%#x" % self.reason)
+                q.text(","); q.breakable()
+                q.text("generation_id = ");
+                q.text("%#x" % self.generation_id)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[55] = bsn_role_status
+
+class bsn_set_aux_cxns_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 59
+
+    def __init__(self, xid=None, num_aux=None, status=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if num_aux != None:
+            self.num_aux = num_aux
+        else:
+            self.num_aux = 0
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.num_aux))
+        packed.append(struct.pack("!L", self.status))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_set_aux_cxns_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 59)
+        obj.num_aux = reader.read("!L")[0]
+        obj.status = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.num_aux != other.num_aux: return False
+        if self.status != other.status: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_set_aux_cxns_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("num_aux = ");
+                q.text("%#x" % self.num_aux)
+                q.text(","); q.breakable()
+                q.text("status = ");
+                q.text("%#x" % self.status)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[59] = bsn_set_aux_cxns_reply
+
+class bsn_set_aux_cxns_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 58
+
+    def __init__(self, xid=None, num_aux=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if num_aux != None:
+            self.num_aux = num_aux
+        else:
+            self.num_aux = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.num_aux))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_set_aux_cxns_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 58)
+        obj.num_aux = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.num_aux != other.num_aux: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_set_aux_cxns_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("num_aux = ");
+                q.text("%#x" % self.num_aux)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[58] = bsn_set_aux_cxns_request
+
+class bsn_set_lacp_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 42
+
+    def __init__(self, xid=None, status=None, port_no=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+        if port_no != None:
+            self.port_no = port_no
+        else:
+            self.port_no = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.status))
+        packed.append(util.pack_port_no(self.port_no))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_set_lacp_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 42)
+        obj.status = reader.read("!L")[0]
+        obj.port_no = util.unpack_port_no(reader)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.status != other.status: return False
+        if self.port_no != other.port_no: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_set_lacp_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("status = ");
+                q.text("%#x" % self.status)
+                q.text(","); q.breakable()
+                q.text("port_no = ");
+                q.text(util.pretty_port(self.port_no))
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[42] = bsn_set_lacp_reply
+
+class bsn_set_lacp_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 41
+
+    def __init__(self, xid=None, enabled=None, port_no=None, actor_sys_priority=None, actor_sys_mac=None, actor_port_priority=None, actor_port_num=None, actor_key=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if enabled != None:
+            self.enabled = enabled
+        else:
+            self.enabled = 0
+        if port_no != None:
+            self.port_no = port_no
+        else:
+            self.port_no = 0
+        if actor_sys_priority != None:
+            self.actor_sys_priority = actor_sys_priority
+        else:
+            self.actor_sys_priority = 0
+        if actor_sys_mac != None:
+            self.actor_sys_mac = actor_sys_mac
+        else:
+            self.actor_sys_mac = [0,0,0,0,0,0]
+        if actor_port_priority != None:
+            self.actor_port_priority = actor_port_priority
+        else:
+            self.actor_port_priority = 0
+        if actor_port_num != None:
+            self.actor_port_num = actor_port_num
+        else:
+            self.actor_port_num = 0
+        if actor_key != None:
+            self.actor_key = actor_key
+        else:
+            self.actor_key = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!B", self.enabled))
+        packed.append('\x00' * 3)
+        packed.append(util.pack_port_no(self.port_no))
+        packed.append(struct.pack("!H", self.actor_sys_priority))
+        packed.append(struct.pack("!6B", *self.actor_sys_mac))
+        packed.append(struct.pack("!H", self.actor_port_priority))
+        packed.append(struct.pack("!H", self.actor_port_num))
+        packed.append(struct.pack("!H", self.actor_key))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_set_lacp_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 41)
+        obj.enabled = reader.read("!B")[0]
+        reader.skip(3)
+        obj.port_no = util.unpack_port_no(reader)
+        obj.actor_sys_priority = reader.read("!H")[0]
+        obj.actor_sys_mac = list(reader.read('!6B'))
+        obj.actor_port_priority = reader.read("!H")[0]
+        obj.actor_port_num = reader.read("!H")[0]
+        obj.actor_key = reader.read("!H")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.enabled != other.enabled: return False
+        if self.port_no != other.port_no: return False
+        if self.actor_sys_priority != other.actor_sys_priority: return False
+        if self.actor_sys_mac != other.actor_sys_mac: return False
+        if self.actor_port_priority != other.actor_port_priority: return False
+        if self.actor_port_num != other.actor_port_num: return False
+        if self.actor_key != other.actor_key: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_set_lacp_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("enabled = ");
+                q.text("%#x" % self.enabled)
+                q.text(","); q.breakable()
+                q.text("port_no = ");
+                q.text(util.pretty_port(self.port_no))
+                q.text(","); q.breakable()
+                q.text("actor_sys_priority = ");
+                q.text("%#x" % self.actor_sys_priority)
+                q.text(","); q.breakable()
+                q.text("actor_sys_mac = ");
+                q.text(util.pretty_mac(self.actor_sys_mac))
+                q.text(","); q.breakable()
+                q.text("actor_port_priority = ");
+                q.text("%#x" % self.actor_port_priority)
+                q.text(","); q.breakable()
+                q.text("actor_port_num = ");
+                q.text("%#x" % self.actor_port_num)
+                q.text(","); q.breakable()
+                q.text("actor_key = ");
+                q.text("%#x" % self.actor_key)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[41] = bsn_set_lacp_request
+
+class bsn_set_mirroring(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 3
+
+    def __init__(self, xid=None, report_mirror_ports=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if report_mirror_ports != None:
+            self.report_mirror_ports = report_mirror_ports
+        else:
+            self.report_mirror_ports = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!B", self.report_mirror_ports))
+        packed.append('\x00' * 3)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_set_mirroring()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 3)
+        obj.report_mirror_ports = reader.read("!B")[0]
+        reader.skip(3)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.report_mirror_ports != other.report_mirror_ports: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_set_mirroring {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("report_mirror_ports = ");
+                q.text("%#x" % self.report_mirror_ports)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[3] = bsn_set_mirroring
+
+class bsn_set_pktin_suppression_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 25
+
+    def __init__(self, xid=None, status=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.status))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_set_pktin_suppression_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 25)
+        obj.status = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.status != other.status: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_set_pktin_suppression_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("status = ");
+                q.text("%#x" % self.status)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[25] = bsn_set_pktin_suppression_reply
+
+class bsn_set_pktin_suppression_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 11
+
+    def __init__(self, xid=None, enabled=None, idle_timeout=None, hard_timeout=None, priority=None, cookie=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if enabled != None:
+            self.enabled = enabled
+        else:
+            self.enabled = 0
+        if idle_timeout != None:
+            self.idle_timeout = idle_timeout
+        else:
+            self.idle_timeout = 0
+        if hard_timeout != None:
+            self.hard_timeout = hard_timeout
+        else:
+            self.hard_timeout = 0
+        if priority != None:
+            self.priority = priority
+        else:
+            self.priority = 0
+        if cookie != None:
+            self.cookie = cookie
+        else:
+            self.cookie = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!B", self.enabled))
+        packed.append('\x00' * 1)
+        packed.append(struct.pack("!H", self.idle_timeout))
+        packed.append(struct.pack("!H", self.hard_timeout))
+        packed.append(struct.pack("!H", self.priority))
+        packed.append(struct.pack("!Q", self.cookie))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_set_pktin_suppression_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 11)
+        obj.enabled = reader.read("!B")[0]
+        reader.skip(1)
+        obj.idle_timeout = reader.read("!H")[0]
+        obj.hard_timeout = reader.read("!H")[0]
+        obj.priority = reader.read("!H")[0]
+        obj.cookie = reader.read("!Q")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.enabled != other.enabled: return False
+        if self.idle_timeout != other.idle_timeout: return False
+        if self.hard_timeout != other.hard_timeout: return False
+        if self.priority != other.priority: return False
+        if self.cookie != other.cookie: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_set_pktin_suppression_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("enabled = ");
+                q.text("%#x" % self.enabled)
+                q.text(","); q.breakable()
+                q.text("idle_timeout = ");
+                q.text("%#x" % self.idle_timeout)
+                q.text(","); q.breakable()
+                q.text("hard_timeout = ");
+                q.text("%#x" % self.hard_timeout)
+                q.text(","); q.breakable()
+                q.text("priority = ");
+                q.text("%#x" % self.priority)
+                q.text(","); q.breakable()
+                q.text("cookie = ");
+                q.text("%#x" % self.cookie)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[11] = bsn_set_pktin_suppression_request
+
+class bsn_set_switch_pipeline_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 54
+
+    def __init__(self, xid=None, status=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.status))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_set_switch_pipeline_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 54)
+        obj.status = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.status != other.status: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_set_switch_pipeline_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("status = ");
+                q.text("%#x" % self.status)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[54] = bsn_set_switch_pipeline_reply
+
+class bsn_set_switch_pipeline_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 53
+
+    def __init__(self, xid=None, pipeline=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if pipeline != None:
+            self.pipeline = pipeline
+        else:
+            self.pipeline = ""
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!256s", self.pipeline))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_set_switch_pipeline_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 53)
+        obj.pipeline = reader.read("!256s")[0].rstrip("\x00")
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.pipeline != other.pipeline: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_set_switch_pipeline_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("pipeline = ");
+                q.pp(self.pipeline)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[53] = bsn_set_switch_pipeline_request
+
+class bsn_switch_pipeline_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 6
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_switch_pipeline_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 6)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.bsn_switch_pipeline_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_switch_pipeline_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[6] = bsn_switch_pipeline_stats_reply
+
+class bsn_switch_pipeline_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 6
+
+    def __init__(self, xid=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_switch_pipeline_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 6)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_switch_pipeline_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[6] = bsn_switch_pipeline_stats_request
+
+class bsn_table_checksum_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 11
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_table_checksum_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 11)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.bsn_table_checksum_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_table_checksum_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[11] = bsn_table_checksum_stats_reply
+
+class bsn_table_checksum_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 11
+
+    def __init__(self, xid=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_table_checksum_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 11)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_table_checksum_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[11] = bsn_table_checksum_stats_request
+
+class bsn_table_set_buckets_size(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 61
+
+    def __init__(self, xid=None, table_id=None, buckets_size=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if buckets_size != None:
+            self.buckets_size = buckets_size
+        else:
+            self.buckets_size = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append('\x00' * 1)
+        packed.append(struct.pack("!B", self.table_id))
+        packed.append('\x00' * 2)
+        packed.append(struct.pack("!L", self.buckets_size))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_table_set_buckets_size()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 61)
+        reader.skip(1)
+        obj.table_id = reader.read("!B")[0]
+        reader.skip(2)
+        obj.buckets_size = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.table_id != other.table_id: return False
+        if self.buckets_size != other.buckets_size: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_table_set_buckets_size {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("buckets_size = ");
+                q.text("%#x" % self.buckets_size)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[61] = bsn_table_set_buckets_size
+
+class bsn_time_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 45
+
+    def __init__(self, xid=None, time_ms=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if time_ms != None:
+            self.time_ms = time_ms
+        else:
+            self.time_ms = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!Q", self.time_ms))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_time_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 45)
+        obj.time_ms = reader.read("!Q")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.time_ms != other.time_ms: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_time_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("time_ms = ");
+                q.text("%#x" % self.time_ms)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[45] = bsn_time_reply
+
+class bsn_time_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 44
+
+    def __init__(self, xid=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_time_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 44)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_time_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[44] = bsn_time_request
+
+class bsn_virtual_port_create_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 16
+
+    def __init__(self, xid=None, status=None, vport_no=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+        if vport_no != None:
+            self.vport_no = vport_no
+        else:
+            self.vport_no = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.status))
+        packed.append(struct.pack("!L", self.vport_no))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_virtual_port_create_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 16)
+        obj.status = reader.read("!L")[0]
+        obj.vport_no = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.status != other.status: return False
+        if self.vport_no != other.vport_no: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_virtual_port_create_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("status = ");
+                q.text("%#x" % self.status)
+                q.text(","); q.breakable()
+                q.text("vport_no = ");
+                q.text("%#x" % self.vport_no)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[16] = bsn_virtual_port_create_reply
+
+class bsn_virtual_port_create_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 15
+
+    def __init__(self, xid=None, vport=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if vport != None:
+            self.vport = vport
+        else:
+            self.vport = ofp.bsn_vport()
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(self.vport.pack())
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_virtual_port_create_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 15)
+        obj.vport = ofp.bsn_vport.unpack(reader)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.vport != other.vport: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_virtual_port_create_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("vport = ");
+                q.pp(self.vport)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[15] = bsn_virtual_port_create_request
+
+class bsn_virtual_port_remove_reply(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 26
+
+    def __init__(self, xid=None, status=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.status))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_virtual_port_remove_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 26)
+        obj.status = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.status != other.status: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_virtual_port_remove_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("status = ");
+                q.text("%#x" % self.status)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[26] = bsn_virtual_port_remove_reply
+
+class bsn_virtual_port_remove_request(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 17
+
+    def __init__(self, xid=None, vport_no=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if vport_no != None:
+            self.vport_no = vport_no
+        else:
+            self.vport_no = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.vport_no))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_virtual_port_remove_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 17)
+        obj.vport_no = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.vport_no != other.vport_no: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_virtual_port_remove_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("vport_no = ");
+                q.text("%#x" % self.vport_no)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[17] = bsn_virtual_port_remove_request
+
+class bsn_vlan_counter_clear(bsn_header):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 70
+
+    def __init__(self, xid=None, vlan_vid=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if vlan_vid != None:
+            self.vlan_vid = vlan_vid
+        else:
+            self.vlan_vid = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!H", self.vlan_vid))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_vlan_counter_clear()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 70)
+        obj.vlan_vid = reader.read("!H")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.vlan_vid != other.vlan_vid: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_vlan_counter_clear {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("vlan_vid = ");
+                q.text("%#x" % self.vlan_vid)
+            q.breakable()
+        q.text('}')
+
+bsn_header.subtypes[70] = bsn_vlan_counter_clear
+
+class bsn_vlan_counter_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 9
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_vlan_counter_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 9)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.bsn_vlan_counter_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_vlan_counter_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[9] = bsn_vlan_counter_stats_reply
+
+class bsn_vlan_counter_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 9
+
+    def __init__(self, xid=None, flags=None, vlan_vid=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if vlan_vid != None:
+            self.vlan_vid = vlan_vid
+        else:
+            self.vlan_vid = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!H", self.vlan_vid))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_vlan_counter_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 9)
+        obj.vlan_vid = reader.read("!H")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.vlan_vid != other.vlan_vid: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_vlan_counter_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("vlan_vid = ");
+                q.text("%#x" % self.vlan_vid)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[9] = bsn_vlan_counter_stats_request
+
+class bsn_vrf_counter_stats_reply(bsn_stats_reply):
+    version = 4
+    type = 19
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 15
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_vrf_counter_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 15)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.bsn_vrf_counter_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_vrf_counter_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_reply.subtypes[15] = bsn_vrf_counter_stats_reply
+
+class bsn_vrf_counter_stats_request(bsn_stats_request):
+    version = 4
+    type = 18
+    stats_type = 65535
+    experimenter = 6035143
+    subtype = 15
+
+    def __init__(self, xid=None, flags=None, vrf=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if vrf != None:
+            self.vrf = vrf
+        else:
+            self.vrf = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.vrf))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_vrf_counter_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 65535)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 15)
+        obj.vrf = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.vrf != other.vrf: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_vrf_counter_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("vrf = ");
+                q.text("%#x" % self.vrf)
+            q.breakable()
+        q.text('}')
+
+bsn_stats_request.subtypes[15] = bsn_vrf_counter_stats_request
+
+class desc_stats_reply(stats_reply):
+    version = 4
+    type = 19
+    stats_type = 0
+
+    def __init__(self, xid=None, flags=None, mfr_desc=None, hw_desc=None, sw_desc=None, serial_num=None, dp_desc=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if mfr_desc != None:
+            self.mfr_desc = mfr_desc
+        else:
+            self.mfr_desc = ""
+        if hw_desc != None:
+            self.hw_desc = hw_desc
+        else:
+            self.hw_desc = ""
+        if sw_desc != None:
+            self.sw_desc = sw_desc
+        else:
+            self.sw_desc = ""
+        if serial_num != None:
+            self.serial_num = serial_num
+        else:
+            self.serial_num = ""
+        if dp_desc != None:
+            self.dp_desc = dp_desc
+        else:
+            self.dp_desc = ""
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!256s", self.mfr_desc))
+        packed.append(struct.pack("!256s", self.hw_desc))
+        packed.append(struct.pack("!256s", self.sw_desc))
+        packed.append(struct.pack("!32s", self.serial_num))
+        packed.append(struct.pack("!256s", self.dp_desc))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = desc_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 0)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.mfr_desc = reader.read("!256s")[0].rstrip("\x00")
+        obj.hw_desc = reader.read("!256s")[0].rstrip("\x00")
+        obj.sw_desc = reader.read("!256s")[0].rstrip("\x00")
+        obj.serial_num = reader.read("!32s")[0].rstrip("\x00")
+        obj.dp_desc = reader.read("!256s")[0].rstrip("\x00")
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.mfr_desc != other.mfr_desc: return False
+        if self.hw_desc != other.hw_desc: return False
+        if self.sw_desc != other.sw_desc: return False
+        if self.serial_num != other.serial_num: return False
+        if self.dp_desc != other.dp_desc: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("desc_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("mfr_desc = ");
+                q.pp(self.mfr_desc)
+                q.text(","); q.breakable()
+                q.text("hw_desc = ");
+                q.pp(self.hw_desc)
+                q.text(","); q.breakable()
+                q.text("sw_desc = ");
+                q.pp(self.sw_desc)
+                q.text(","); q.breakable()
+                q.text("serial_num = ");
+                q.pp(self.serial_num)
+                q.text(","); q.breakable()
+                q.text("dp_desc = ");
+                q.pp(self.dp_desc)
+            q.breakable()
+        q.text('}')
+
+stats_reply.subtypes[0] = desc_stats_reply
+
+class desc_stats_request(stats_request):
+    version = 4
+    type = 18
+    stats_type = 0
+
+    def __init__(self, xid=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = desc_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 0)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("desc_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+stats_request.subtypes[0] = desc_stats_request
+
+class echo_reply(message):
+    version = 4
+    type = 3
+
+    def __init__(self, xid=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = echo_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 3)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("echo_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[3] = echo_reply
+
+class echo_request(message):
+    version = 4
+    type = 2
+
+    def __init__(self, xid=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = echo_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 2)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("echo_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[2] = echo_request
+
+class features_reply(message):
+    version = 4
+    type = 6
+
+    def __init__(self, xid=None, datapath_id=None, n_buffers=None, n_tables=None, auxiliary_id=None, capabilities=None, reserved=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if datapath_id != None:
+            self.datapath_id = datapath_id
+        else:
+            self.datapath_id = 0
+        if n_buffers != None:
+            self.n_buffers = n_buffers
+        else:
+            self.n_buffers = 0
+        if n_tables != None:
+            self.n_tables = n_tables
+        else:
+            self.n_tables = 0
+        if auxiliary_id != None:
+            self.auxiliary_id = auxiliary_id
+        else:
+            self.auxiliary_id = 0
+        if capabilities != None:
+            self.capabilities = capabilities
+        else:
+            self.capabilities = 0
+        if reserved != None:
+            self.reserved = reserved
+        else:
+            self.reserved = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!Q", self.datapath_id))
+        packed.append(struct.pack("!L", self.n_buffers))
+        packed.append(struct.pack("!B", self.n_tables))
+        packed.append(struct.pack("!B", self.auxiliary_id))
+        packed.append('\x00' * 2)
+        packed.append(struct.pack("!L", self.capabilities))
+        packed.append(struct.pack("!L", self.reserved))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = features_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 6)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.datapath_id = reader.read("!Q")[0]
+        obj.n_buffers = reader.read("!L")[0]
+        obj.n_tables = reader.read("!B")[0]
+        obj.auxiliary_id = reader.read("!B")[0]
+        reader.skip(2)
+        obj.capabilities = reader.read("!L")[0]
+        obj.reserved = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.datapath_id != other.datapath_id: return False
+        if self.n_buffers != other.n_buffers: return False
+        if self.n_tables != other.n_tables: return False
+        if self.auxiliary_id != other.auxiliary_id: return False
+        if self.capabilities != other.capabilities: return False
+        if self.reserved != other.reserved: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("features_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("datapath_id = ");
+                q.text("%#x" % self.datapath_id)
+                q.text(","); q.breakable()
+                q.text("n_buffers = ");
+                q.text("%#x" % self.n_buffers)
+                q.text(","); q.breakable()
+                q.text("n_tables = ");
+                q.text("%#x" % self.n_tables)
+                q.text(","); q.breakable()
+                q.text("auxiliary_id = ");
+                q.text("%#x" % self.auxiliary_id)
+                q.text(","); q.breakable()
+                q.text("capabilities = ");
+                q.text("%#x" % self.capabilities)
+                q.text(","); q.breakable()
+                q.text("reserved = ");
+                q.text("%#x" % self.reserved)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[6] = features_reply
+
+class features_request(message):
+    version = 4
+    type = 5
+
+    def __init__(self, xid=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = features_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 5)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("features_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+message.subtypes[5] = features_request
+
+class flow_mod(message):
+    subtypes = {}
+
+    version = 4
+    type = 14
+
+    def __init__(self, xid=None, cookie=None, cookie_mask=None, table_id=None, _command=None, idle_timeout=None, hard_timeout=None, priority=None, buffer_id=None, out_port=None, out_group=None, flags=None, match=None, instructions=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if cookie != None:
+            self.cookie = cookie
+        else:
+            self.cookie = 0
+        if cookie_mask != None:
+            self.cookie_mask = cookie_mask
+        else:
+            self.cookie_mask = 0
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if _command != None:
+            self._command = _command
+        else:
+            self._command = 0
+        if idle_timeout != None:
+            self.idle_timeout = idle_timeout
+        else:
+            self.idle_timeout = 0
+        if hard_timeout != None:
+            self.hard_timeout = hard_timeout
+        else:
+            self.hard_timeout = 0
+        if priority != None:
+            self.priority = priority
+        else:
+            self.priority = 0
+        if buffer_id != None:
+            self.buffer_id = buffer_id
+        else:
+            self.buffer_id = 0
+        if out_port != None:
+            self.out_port = out_port
+        else:
+            self.out_port = 0
+        if out_group != None:
+            self.out_group = out_group
+        else:
+            self.out_group = 0
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if match != None:
+            self.match = match
+        else:
+            self.match = ofp.match()
+        if instructions != None:
+            self.instructions = instructions
+        else:
+            self.instructions = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!Q", self.cookie))
+        packed.append(struct.pack("!Q", self.cookie_mask))
+        packed.append(struct.pack("!B", self.table_id))
+        packed.append(util.pack_fm_cmd(self._command))
+        packed.append(struct.pack("!H", self.idle_timeout))
+        packed.append(struct.pack("!H", self.hard_timeout))
+        packed.append(struct.pack("!H", self.priority))
+        packed.append(struct.pack("!L", self.buffer_id))
+        packed.append(util.pack_port_no(self.out_port))
+        packed.append(struct.pack("!L", self.out_group))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 2)
+        packed.append(self.match.pack())
+        packed.append(loxi.generic_util.pack_list(self.instructions))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('B', 25)
+        subclass = flow_mod.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = flow_mod()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 14)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.cookie = reader.read("!Q")[0]
+        obj.cookie_mask = reader.read("!Q")[0]
+        obj.table_id = reader.read("!B")[0]
+        obj._command = util.unpack_fm_cmd(reader)
+        obj.idle_timeout = reader.read("!H")[0]
+        obj.hard_timeout = reader.read("!H")[0]
+        obj.priority = reader.read("!H")[0]
+        obj.buffer_id = reader.read("!L")[0]
+        obj.out_port = util.unpack_port_no(reader)
+        obj.out_group = reader.read("!L")[0]
+        obj.flags = reader.read("!H")[0]
+        reader.skip(2)
+        obj.match = ofp.match.unpack(reader)
+        obj.instructions = loxi.generic_util.unpack_list(reader, ofp.instruction.instruction.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.cookie != other.cookie: return False
+        if self.cookie_mask != other.cookie_mask: return False
+        if self.table_id != other.table_id: return False
+        if self._command != other._command: return False
+        if self.idle_timeout != other.idle_timeout: return False
+        if self.hard_timeout != other.hard_timeout: return False
+        if self.priority != other.priority: return False
+        if self.buffer_id != other.buffer_id: return False
+        if self.out_port != other.out_port: return False
+        if self.out_group != other.out_group: return False
+        if self.flags != other.flags: return False
+        if self.match != other.match: return False
+        if self.instructions != other.instructions: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("flow_mod {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("cookie = ");
+                q.text("%#x" % self.cookie)
+                q.text(","); q.breakable()
+                q.text("cookie_mask = ");
+                q.text("%#x" % self.cookie_mask)
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("idle_timeout = ");
+                q.text("%#x" % self.idle_timeout)
+                q.text(","); q.breakable()
+                q.text("hard_timeout = ");
+                q.text("%#x" % self.hard_timeout)
+                q.text(","); q.breakable()
+                q.text("priority = ");
+                q.text("%#x" % self.priority)
+                q.text(","); q.breakable()
+                q.text("buffer_id = ");
+                q.text("%#x" % self.buffer_id)
+                q.text(","); q.breakable()
+                q.text("out_port = ");
+                q.text(util.pretty_port(self.out_port))
+                q.text(","); q.breakable()
+                q.text("out_group = ");
+                q.text("%#x" % self.out_group)
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("match = ");
+                q.pp(self.match)
+                q.text(","); q.breakable()
+                q.text("instructions = ");
+                q.pp(self.instructions)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[14] = flow_mod
+
+class flow_add(flow_mod):
+    version = 4
+    type = 14
+    _command = 0
+
+    def __init__(self, xid=None, cookie=None, cookie_mask=None, table_id=None, idle_timeout=None, hard_timeout=None, priority=None, buffer_id=None, out_port=None, out_group=None, flags=None, match=None, instructions=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if cookie != None:
+            self.cookie = cookie
+        else:
+            self.cookie = 0
+        if cookie_mask != None:
+            self.cookie_mask = cookie_mask
+        else:
+            self.cookie_mask = 0
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if idle_timeout != None:
+            self.idle_timeout = idle_timeout
+        else:
+            self.idle_timeout = 0
+        if hard_timeout != None:
+            self.hard_timeout = hard_timeout
+        else:
+            self.hard_timeout = 0
+        if priority != None:
+            self.priority = priority
+        else:
+            self.priority = 0
+        if buffer_id != None:
+            self.buffer_id = buffer_id
+        else:
+            self.buffer_id = 0
+        if out_port != None:
+            self.out_port = out_port
+        else:
+            self.out_port = 0
+        if out_group != None:
+            self.out_group = out_group
+        else:
+            self.out_group = 0
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if match != None:
+            self.match = match
+        else:
+            self.match = ofp.match()
+        if instructions != None:
+            self.instructions = instructions
+        else:
+            self.instructions = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!Q", self.cookie))
+        packed.append(struct.pack("!Q", self.cookie_mask))
+        packed.append(struct.pack("!B", self.table_id))
+        packed.append(util.pack_fm_cmd(self._command))
+        packed.append(struct.pack("!H", self.idle_timeout))
+        packed.append(struct.pack("!H", self.hard_timeout))
+        packed.append(struct.pack("!H", self.priority))
+        packed.append(struct.pack("!L", self.buffer_id))
+        packed.append(util.pack_port_no(self.out_port))
+        packed.append(struct.pack("!L", self.out_group))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 2)
+        packed.append(self.match.pack())
+        packed.append(loxi.generic_util.pack_list(self.instructions))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = flow_add()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 14)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.cookie = reader.read("!Q")[0]
+        obj.cookie_mask = reader.read("!Q")[0]
+        obj.table_id = reader.read("!B")[0]
+        __command = util.unpack_fm_cmd(reader)
+        assert(__command == 0)
+        obj.idle_timeout = reader.read("!H")[0]
+        obj.hard_timeout = reader.read("!H")[0]
+        obj.priority = reader.read("!H")[0]
+        obj.buffer_id = reader.read("!L")[0]
+        obj.out_port = util.unpack_port_no(reader)
+        obj.out_group = reader.read("!L")[0]
+        obj.flags = reader.read("!H")[0]
+        reader.skip(2)
+        obj.match = ofp.match.unpack(reader)
+        obj.instructions = loxi.generic_util.unpack_list(reader, ofp.instruction.instruction.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.cookie != other.cookie: return False
+        if self.cookie_mask != other.cookie_mask: return False
+        if self.table_id != other.table_id: return False
+        if self.idle_timeout != other.idle_timeout: return False
+        if self.hard_timeout != other.hard_timeout: return False
+        if self.priority != other.priority: return False
+        if self.buffer_id != other.buffer_id: return False
+        if self.out_port != other.out_port: return False
+        if self.out_group != other.out_group: return False
+        if self.flags != other.flags: return False
+        if self.match != other.match: return False
+        if self.instructions != other.instructions: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("flow_add {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("cookie = ");
+                q.text("%#x" % self.cookie)
+                q.text(","); q.breakable()
+                q.text("cookie_mask = ");
+                q.text("%#x" % self.cookie_mask)
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("idle_timeout = ");
+                q.text("%#x" % self.idle_timeout)
+                q.text(","); q.breakable()
+                q.text("hard_timeout = ");
+                q.text("%#x" % self.hard_timeout)
+                q.text(","); q.breakable()
+                q.text("priority = ");
+                q.text("%#x" % self.priority)
+                q.text(","); q.breakable()
+                q.text("buffer_id = ");
+                q.text("%#x" % self.buffer_id)
+                q.text(","); q.breakable()
+                q.text("out_port = ");
+                q.text(util.pretty_port(self.out_port))
+                q.text(","); q.breakable()
+                q.text("out_group = ");
+                q.text("%#x" % self.out_group)
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("match = ");
+                q.pp(self.match)
+                q.text(","); q.breakable()
+                q.text("instructions = ");
+                q.pp(self.instructions)
+            q.breakable()
+        q.text('}')
+
+flow_mod.subtypes[0] = flow_add
+
+class flow_delete(flow_mod):
+    version = 4
+    type = 14
+    _command = 3
+
+    def __init__(self, xid=None, cookie=None, cookie_mask=None, table_id=None, idle_timeout=None, hard_timeout=None, priority=None, buffer_id=None, out_port=None, out_group=None, flags=None, match=None, instructions=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if cookie != None:
+            self.cookie = cookie
+        else:
+            self.cookie = 0
+        if cookie_mask != None:
+            self.cookie_mask = cookie_mask
+        else:
+            self.cookie_mask = 0
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if idle_timeout != None:
+            self.idle_timeout = idle_timeout
+        else:
+            self.idle_timeout = 0
+        if hard_timeout != None:
+            self.hard_timeout = hard_timeout
+        else:
+            self.hard_timeout = 0
+        if priority != None:
+            self.priority = priority
+        else:
+            self.priority = 0
+        if buffer_id != None:
+            self.buffer_id = buffer_id
+        else:
+            self.buffer_id = 0
+        if out_port != None:
+            self.out_port = out_port
+        else:
+            self.out_port = 0
+        if out_group != None:
+            self.out_group = out_group
+        else:
+            self.out_group = 0
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if match != None:
+            self.match = match
+        else:
+            self.match = ofp.match()
+        if instructions != None:
+            self.instructions = instructions
+        else:
+            self.instructions = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!Q", self.cookie))
+        packed.append(struct.pack("!Q", self.cookie_mask))
+        packed.append(struct.pack("!B", self.table_id))
+        packed.append(util.pack_fm_cmd(self._command))
+        packed.append(struct.pack("!H", self.idle_timeout))
+        packed.append(struct.pack("!H", self.hard_timeout))
+        packed.append(struct.pack("!H", self.priority))
+        packed.append(struct.pack("!L", self.buffer_id))
+        packed.append(util.pack_port_no(self.out_port))
+        packed.append(struct.pack("!L", self.out_group))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 2)
+        packed.append(self.match.pack())
+        packed.append(loxi.generic_util.pack_list(self.instructions))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = flow_delete()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 14)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.cookie = reader.read("!Q")[0]
+        obj.cookie_mask = reader.read("!Q")[0]
+        obj.table_id = reader.read("!B")[0]
+        __command = util.unpack_fm_cmd(reader)
+        assert(__command == 3)
+        obj.idle_timeout = reader.read("!H")[0]
+        obj.hard_timeout = reader.read("!H")[0]
+        obj.priority = reader.read("!H")[0]
+        obj.buffer_id = reader.read("!L")[0]
+        obj.out_port = util.unpack_port_no(reader)
+        obj.out_group = reader.read("!L")[0]
+        obj.flags = reader.read("!H")[0]
+        reader.skip(2)
+        obj.match = ofp.match.unpack(reader)
+        obj.instructions = loxi.generic_util.unpack_list(reader, ofp.instruction.instruction.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.cookie != other.cookie: return False
+        if self.cookie_mask != other.cookie_mask: return False
+        if self.table_id != other.table_id: return False
+        if self.idle_timeout != other.idle_timeout: return False
+        if self.hard_timeout != other.hard_timeout: return False
+        if self.priority != other.priority: return False
+        if self.buffer_id != other.buffer_id: return False
+        if self.out_port != other.out_port: return False
+        if self.out_group != other.out_group: return False
+        if self.flags != other.flags: return False
+        if self.match != other.match: return False
+        if self.instructions != other.instructions: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("flow_delete {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("cookie = ");
+                q.text("%#x" % self.cookie)
+                q.text(","); q.breakable()
+                q.text("cookie_mask = ");
+                q.text("%#x" % self.cookie_mask)
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("idle_timeout = ");
+                q.text("%#x" % self.idle_timeout)
+                q.text(","); q.breakable()
+                q.text("hard_timeout = ");
+                q.text("%#x" % self.hard_timeout)
+                q.text(","); q.breakable()
+                q.text("priority = ");
+                q.text("%#x" % self.priority)
+                q.text(","); q.breakable()
+                q.text("buffer_id = ");
+                q.text("%#x" % self.buffer_id)
+                q.text(","); q.breakable()
+                q.text("out_port = ");
+                q.text(util.pretty_port(self.out_port))
+                q.text(","); q.breakable()
+                q.text("out_group = ");
+                q.text("%#x" % self.out_group)
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("match = ");
+                q.pp(self.match)
+                q.text(","); q.breakable()
+                q.text("instructions = ");
+                q.pp(self.instructions)
+            q.breakable()
+        q.text('}')
+
+flow_mod.subtypes[3] = flow_delete
+
+class flow_delete_strict(flow_mod):
+    version = 4
+    type = 14
+    _command = 4
+
+    def __init__(self, xid=None, cookie=None, cookie_mask=None, table_id=None, idle_timeout=None, hard_timeout=None, priority=None, buffer_id=None, out_port=None, out_group=None, flags=None, match=None, instructions=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if cookie != None:
+            self.cookie = cookie
+        else:
+            self.cookie = 0
+        if cookie_mask != None:
+            self.cookie_mask = cookie_mask
+        else:
+            self.cookie_mask = 0
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if idle_timeout != None:
+            self.idle_timeout = idle_timeout
+        else:
+            self.idle_timeout = 0
+        if hard_timeout != None:
+            self.hard_timeout = hard_timeout
+        else:
+            self.hard_timeout = 0
+        if priority != None:
+            self.priority = priority
+        else:
+            self.priority = 0
+        if buffer_id != None:
+            self.buffer_id = buffer_id
+        else:
+            self.buffer_id = 0
+        if out_port != None:
+            self.out_port = out_port
+        else:
+            self.out_port = 0
+        if out_group != None:
+            self.out_group = out_group
+        else:
+            self.out_group = 0
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if match != None:
+            self.match = match
+        else:
+            self.match = ofp.match()
+        if instructions != None:
+            self.instructions = instructions
+        else:
+            self.instructions = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!Q", self.cookie))
+        packed.append(struct.pack("!Q", self.cookie_mask))
+        packed.append(struct.pack("!B", self.table_id))
+        packed.append(util.pack_fm_cmd(self._command))
+        packed.append(struct.pack("!H", self.idle_timeout))
+        packed.append(struct.pack("!H", self.hard_timeout))
+        packed.append(struct.pack("!H", self.priority))
+        packed.append(struct.pack("!L", self.buffer_id))
+        packed.append(util.pack_port_no(self.out_port))
+        packed.append(struct.pack("!L", self.out_group))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 2)
+        packed.append(self.match.pack())
+        packed.append(loxi.generic_util.pack_list(self.instructions))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = flow_delete_strict()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 14)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.cookie = reader.read("!Q")[0]
+        obj.cookie_mask = reader.read("!Q")[0]
+        obj.table_id = reader.read("!B")[0]
+        __command = util.unpack_fm_cmd(reader)
+        assert(__command == 4)
+        obj.idle_timeout = reader.read("!H")[0]
+        obj.hard_timeout = reader.read("!H")[0]
+        obj.priority = reader.read("!H")[0]
+        obj.buffer_id = reader.read("!L")[0]
+        obj.out_port = util.unpack_port_no(reader)
+        obj.out_group = reader.read("!L")[0]
+        obj.flags = reader.read("!H")[0]
+        reader.skip(2)
+        obj.match = ofp.match.unpack(reader)
+        obj.instructions = loxi.generic_util.unpack_list(reader, ofp.instruction.instruction.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.cookie != other.cookie: return False
+        if self.cookie_mask != other.cookie_mask: return False
+        if self.table_id != other.table_id: return False
+        if self.idle_timeout != other.idle_timeout: return False
+        if self.hard_timeout != other.hard_timeout: return False
+        if self.priority != other.priority: return False
+        if self.buffer_id != other.buffer_id: return False
+        if self.out_port != other.out_port: return False
+        if self.out_group != other.out_group: return False
+        if self.flags != other.flags: return False
+        if self.match != other.match: return False
+        if self.instructions != other.instructions: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("flow_delete_strict {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("cookie = ");
+                q.text("%#x" % self.cookie)
+                q.text(","); q.breakable()
+                q.text("cookie_mask = ");
+                q.text("%#x" % self.cookie_mask)
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("idle_timeout = ");
+                q.text("%#x" % self.idle_timeout)
+                q.text(","); q.breakable()
+                q.text("hard_timeout = ");
+                q.text("%#x" % self.hard_timeout)
+                q.text(","); q.breakable()
+                q.text("priority = ");
+                q.text("%#x" % self.priority)
+                q.text(","); q.breakable()
+                q.text("buffer_id = ");
+                q.text("%#x" % self.buffer_id)
+                q.text(","); q.breakable()
+                q.text("out_port = ");
+                q.text(util.pretty_port(self.out_port))
+                q.text(","); q.breakable()
+                q.text("out_group = ");
+                q.text("%#x" % self.out_group)
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("match = ");
+                q.pp(self.match)
+                q.text(","); q.breakable()
+                q.text("instructions = ");
+                q.pp(self.instructions)
+            q.breakable()
+        q.text('}')
+
+flow_mod.subtypes[4] = flow_delete_strict
+
+class flow_mod_failed_error_msg(error_msg):
+    version = 4
+    type = 1
+    err_type = 5
+
+    def __init__(self, xid=None, code=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if code != None:
+            self.code = code
+        else:
+            self.code = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.code))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = flow_mod_failed_error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 5)
+        obj.code = reader.read("!H")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.code != other.code: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("flow_mod_failed_error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("code = ");
+                q.text("%#x" % self.code)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+error_msg.subtypes[5] = flow_mod_failed_error_msg
+
+class flow_modify(flow_mod):
+    version = 4
+    type = 14
+    _command = 1
+
+    def __init__(self, xid=None, cookie=None, cookie_mask=None, table_id=None, idle_timeout=None, hard_timeout=None, priority=None, buffer_id=None, out_port=None, out_group=None, flags=None, match=None, instructions=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if cookie != None:
+            self.cookie = cookie
+        else:
+            self.cookie = 0
+        if cookie_mask != None:
+            self.cookie_mask = cookie_mask
+        else:
+            self.cookie_mask = 0
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if idle_timeout != None:
+            self.idle_timeout = idle_timeout
+        else:
+            self.idle_timeout = 0
+        if hard_timeout != None:
+            self.hard_timeout = hard_timeout
+        else:
+            self.hard_timeout = 0
+        if priority != None:
+            self.priority = priority
+        else:
+            self.priority = 0
+        if buffer_id != None:
+            self.buffer_id = buffer_id
+        else:
+            self.buffer_id = 0
+        if out_port != None:
+            self.out_port = out_port
+        else:
+            self.out_port = 0
+        if out_group != None:
+            self.out_group = out_group
+        else:
+            self.out_group = 0
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if match != None:
+            self.match = match
+        else:
+            self.match = ofp.match()
+        if instructions != None:
+            self.instructions = instructions
+        else:
+            self.instructions = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!Q", self.cookie))
+        packed.append(struct.pack("!Q", self.cookie_mask))
+        packed.append(struct.pack("!B", self.table_id))
+        packed.append(util.pack_fm_cmd(self._command))
+        packed.append(struct.pack("!H", self.idle_timeout))
+        packed.append(struct.pack("!H", self.hard_timeout))
+        packed.append(struct.pack("!H", self.priority))
+        packed.append(struct.pack("!L", self.buffer_id))
+        packed.append(util.pack_port_no(self.out_port))
+        packed.append(struct.pack("!L", self.out_group))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 2)
+        packed.append(self.match.pack())
+        packed.append(loxi.generic_util.pack_list(self.instructions))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = flow_modify()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 14)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.cookie = reader.read("!Q")[0]
+        obj.cookie_mask = reader.read("!Q")[0]
+        obj.table_id = reader.read("!B")[0]
+        __command = util.unpack_fm_cmd(reader)
+        assert(__command == 1)
+        obj.idle_timeout = reader.read("!H")[0]
+        obj.hard_timeout = reader.read("!H")[0]
+        obj.priority = reader.read("!H")[0]
+        obj.buffer_id = reader.read("!L")[0]
+        obj.out_port = util.unpack_port_no(reader)
+        obj.out_group = reader.read("!L")[0]
+        obj.flags = reader.read("!H")[0]
+        reader.skip(2)
+        obj.match = ofp.match.unpack(reader)
+        obj.instructions = loxi.generic_util.unpack_list(reader, ofp.instruction.instruction.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.cookie != other.cookie: return False
+        if self.cookie_mask != other.cookie_mask: return False
+        if self.table_id != other.table_id: return False
+        if self.idle_timeout != other.idle_timeout: return False
+        if self.hard_timeout != other.hard_timeout: return False
+        if self.priority != other.priority: return False
+        if self.buffer_id != other.buffer_id: return False
+        if self.out_port != other.out_port: return False
+        if self.out_group != other.out_group: return False
+        if self.flags != other.flags: return False
+        if self.match != other.match: return False
+        if self.instructions != other.instructions: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("flow_modify {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("cookie = ");
+                q.text("%#x" % self.cookie)
+                q.text(","); q.breakable()
+                q.text("cookie_mask = ");
+                q.text("%#x" % self.cookie_mask)
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("idle_timeout = ");
+                q.text("%#x" % self.idle_timeout)
+                q.text(","); q.breakable()
+                q.text("hard_timeout = ");
+                q.text("%#x" % self.hard_timeout)
+                q.text(","); q.breakable()
+                q.text("priority = ");
+                q.text("%#x" % self.priority)
+                q.text(","); q.breakable()
+                q.text("buffer_id = ");
+                q.text("%#x" % self.buffer_id)
+                q.text(","); q.breakable()
+                q.text("out_port = ");
+                q.text(util.pretty_port(self.out_port))
+                q.text(","); q.breakable()
+                q.text("out_group = ");
+                q.text("%#x" % self.out_group)
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("match = ");
+                q.pp(self.match)
+                q.text(","); q.breakable()
+                q.text("instructions = ");
+                q.pp(self.instructions)
+            q.breakable()
+        q.text('}')
+
+flow_mod.subtypes[1] = flow_modify
+
+class flow_modify_strict(flow_mod):
+    version = 4
+    type = 14
+    _command = 2
+
+    def __init__(self, xid=None, cookie=None, cookie_mask=None, table_id=None, idle_timeout=None, hard_timeout=None, priority=None, buffer_id=None, out_port=None, out_group=None, flags=None, match=None, instructions=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if cookie != None:
+            self.cookie = cookie
+        else:
+            self.cookie = 0
+        if cookie_mask != None:
+            self.cookie_mask = cookie_mask
+        else:
+            self.cookie_mask = 0
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if idle_timeout != None:
+            self.idle_timeout = idle_timeout
+        else:
+            self.idle_timeout = 0
+        if hard_timeout != None:
+            self.hard_timeout = hard_timeout
+        else:
+            self.hard_timeout = 0
+        if priority != None:
+            self.priority = priority
+        else:
+            self.priority = 0
+        if buffer_id != None:
+            self.buffer_id = buffer_id
+        else:
+            self.buffer_id = 0
+        if out_port != None:
+            self.out_port = out_port
+        else:
+            self.out_port = 0
+        if out_group != None:
+            self.out_group = out_group
+        else:
+            self.out_group = 0
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if match != None:
+            self.match = match
+        else:
+            self.match = ofp.match()
+        if instructions != None:
+            self.instructions = instructions
+        else:
+            self.instructions = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!Q", self.cookie))
+        packed.append(struct.pack("!Q", self.cookie_mask))
+        packed.append(struct.pack("!B", self.table_id))
+        packed.append(util.pack_fm_cmd(self._command))
+        packed.append(struct.pack("!H", self.idle_timeout))
+        packed.append(struct.pack("!H", self.hard_timeout))
+        packed.append(struct.pack("!H", self.priority))
+        packed.append(struct.pack("!L", self.buffer_id))
+        packed.append(util.pack_port_no(self.out_port))
+        packed.append(struct.pack("!L", self.out_group))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 2)
+        packed.append(self.match.pack())
+        packed.append(loxi.generic_util.pack_list(self.instructions))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = flow_modify_strict()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 14)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.cookie = reader.read("!Q")[0]
+        obj.cookie_mask = reader.read("!Q")[0]
+        obj.table_id = reader.read("!B")[0]
+        __command = util.unpack_fm_cmd(reader)
+        assert(__command == 2)
+        obj.idle_timeout = reader.read("!H")[0]
+        obj.hard_timeout = reader.read("!H")[0]
+        obj.priority = reader.read("!H")[0]
+        obj.buffer_id = reader.read("!L")[0]
+        obj.out_port = util.unpack_port_no(reader)
+        obj.out_group = reader.read("!L")[0]
+        obj.flags = reader.read("!H")[0]
+        reader.skip(2)
+        obj.match = ofp.match.unpack(reader)
+        obj.instructions = loxi.generic_util.unpack_list(reader, ofp.instruction.instruction.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.cookie != other.cookie: return False
+        if self.cookie_mask != other.cookie_mask: return False
+        if self.table_id != other.table_id: return False
+        if self.idle_timeout != other.idle_timeout: return False
+        if self.hard_timeout != other.hard_timeout: return False
+        if self.priority != other.priority: return False
+        if self.buffer_id != other.buffer_id: return False
+        if self.out_port != other.out_port: return False
+        if self.out_group != other.out_group: return False
+        if self.flags != other.flags: return False
+        if self.match != other.match: return False
+        if self.instructions != other.instructions: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("flow_modify_strict {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("cookie = ");
+                q.text("%#x" % self.cookie)
+                q.text(","); q.breakable()
+                q.text("cookie_mask = ");
+                q.text("%#x" % self.cookie_mask)
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("idle_timeout = ");
+                q.text("%#x" % self.idle_timeout)
+                q.text(","); q.breakable()
+                q.text("hard_timeout = ");
+                q.text("%#x" % self.hard_timeout)
+                q.text(","); q.breakable()
+                q.text("priority = ");
+                q.text("%#x" % self.priority)
+                q.text(","); q.breakable()
+                q.text("buffer_id = ");
+                q.text("%#x" % self.buffer_id)
+                q.text(","); q.breakable()
+                q.text("out_port = ");
+                q.text(util.pretty_port(self.out_port))
+                q.text(","); q.breakable()
+                q.text("out_group = ");
+                q.text("%#x" % self.out_group)
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("match = ");
+                q.pp(self.match)
+                q.text(","); q.breakable()
+                q.text("instructions = ");
+                q.pp(self.instructions)
+            q.breakable()
+        q.text('}')
+
+flow_mod.subtypes[2] = flow_modify_strict
+
+class flow_removed(message):
+    version = 4
+    type = 11
+
+    def __init__(self, xid=None, cookie=None, priority=None, reason=None, table_id=None, duration_sec=None, duration_nsec=None, idle_timeout=None, hard_timeout=None, packet_count=None, byte_count=None, match=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if cookie != None:
+            self.cookie = cookie
+        else:
+            self.cookie = 0
+        if priority != None:
+            self.priority = priority
+        else:
+            self.priority = 0
+        if reason != None:
+            self.reason = reason
+        else:
+            self.reason = 0
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if duration_sec != None:
+            self.duration_sec = duration_sec
+        else:
+            self.duration_sec = 0
+        if duration_nsec != None:
+            self.duration_nsec = duration_nsec
+        else:
+            self.duration_nsec = 0
+        if idle_timeout != None:
+            self.idle_timeout = idle_timeout
+        else:
+            self.idle_timeout = 0
+        if hard_timeout != None:
+            self.hard_timeout = hard_timeout
+        else:
+            self.hard_timeout = 0
+        if packet_count != None:
+            self.packet_count = packet_count
+        else:
+            self.packet_count = 0
+        if byte_count != None:
+            self.byte_count = byte_count
+        else:
+            self.byte_count = 0
+        if match != None:
+            self.match = match
+        else:
+            self.match = ofp.match()
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!Q", self.cookie))
+        packed.append(struct.pack("!H", self.priority))
+        packed.append(struct.pack("!B", self.reason))
+        packed.append(struct.pack("!B", self.table_id))
+        packed.append(struct.pack("!L", self.duration_sec))
+        packed.append(struct.pack("!L", self.duration_nsec))
+        packed.append(struct.pack("!H", self.idle_timeout))
+        packed.append(struct.pack("!H", self.hard_timeout))
+        packed.append(struct.pack("!Q", self.packet_count))
+        packed.append(struct.pack("!Q", self.byte_count))
+        packed.append(self.match.pack())
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = flow_removed()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 11)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.cookie = reader.read("!Q")[0]
+        obj.priority = reader.read("!H")[0]
+        obj.reason = reader.read("!B")[0]
+        obj.table_id = reader.read("!B")[0]
+        obj.duration_sec = reader.read("!L")[0]
+        obj.duration_nsec = reader.read("!L")[0]
+        obj.idle_timeout = reader.read("!H")[0]
+        obj.hard_timeout = reader.read("!H")[0]
+        obj.packet_count = reader.read("!Q")[0]
+        obj.byte_count = reader.read("!Q")[0]
+        obj.match = ofp.match.unpack(reader)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.cookie != other.cookie: return False
+        if self.priority != other.priority: return False
+        if self.reason != other.reason: return False
+        if self.table_id != other.table_id: return False
+        if self.duration_sec != other.duration_sec: return False
+        if self.duration_nsec != other.duration_nsec: return False
+        if self.idle_timeout != other.idle_timeout: return False
+        if self.hard_timeout != other.hard_timeout: return False
+        if self.packet_count != other.packet_count: return False
+        if self.byte_count != other.byte_count: return False
+        if self.match != other.match: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("flow_removed {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("cookie = ");
+                q.text("%#x" % self.cookie)
+                q.text(","); q.breakable()
+                q.text("priority = ");
+                q.text("%#x" % self.priority)
+                q.text(","); q.breakable()
+                q.text("reason = ");
+                q.text("%#x" % self.reason)
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("duration_sec = ");
+                q.text("%#x" % self.duration_sec)
+                q.text(","); q.breakable()
+                q.text("duration_nsec = ");
+                q.text("%#x" % self.duration_nsec)
+                q.text(","); q.breakable()
+                q.text("idle_timeout = ");
+                q.text("%#x" % self.idle_timeout)
+                q.text(","); q.breakable()
+                q.text("hard_timeout = ");
+                q.text("%#x" % self.hard_timeout)
+                q.text(","); q.breakable()
+                q.text("packet_count = ");
+                q.text("%#x" % self.packet_count)
+                q.text(","); q.breakable()
+                q.text("byte_count = ");
+                q.text("%#x" % self.byte_count)
+                q.text(","); q.breakable()
+                q.text("match = ");
+                q.pp(self.match)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[11] = flow_removed
+
+class flow_stats_reply(stats_reply):
+    version = 4
+    type = 19
+    stats_type = 1
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = flow_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 1)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.flow_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("flow_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+stats_reply.subtypes[1] = flow_stats_reply
+
+class flow_stats_request(stats_request):
+    version = 4
+    type = 18
+    stats_type = 1
+
+    def __init__(self, xid=None, flags=None, table_id=None, out_port=None, out_group=None, cookie=None, cookie_mask=None, match=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if out_port != None:
+            self.out_port = out_port
+        else:
+            self.out_port = 0
+        if out_group != None:
+            self.out_group = out_group
+        else:
+            self.out_group = 0
+        if cookie != None:
+            self.cookie = cookie
+        else:
+            self.cookie = 0
+        if cookie_mask != None:
+            self.cookie_mask = cookie_mask
+        else:
+            self.cookie_mask = 0
+        if match != None:
+            self.match = match
+        else:
+            self.match = ofp.match()
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!B", self.table_id))
+        packed.append('\x00' * 3)
+        packed.append(util.pack_port_no(self.out_port))
+        packed.append(struct.pack("!L", self.out_group))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!Q", self.cookie))
+        packed.append(struct.pack("!Q", self.cookie_mask))
+        packed.append(self.match.pack())
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = flow_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 1)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.table_id = reader.read("!B")[0]
+        reader.skip(3)
+        obj.out_port = util.unpack_port_no(reader)
+        obj.out_group = reader.read("!L")[0]
+        reader.skip(4)
+        obj.cookie = reader.read("!Q")[0]
+        obj.cookie_mask = reader.read("!Q")[0]
+        obj.match = ofp.match.unpack(reader)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.table_id != other.table_id: return False
+        if self.out_port != other.out_port: return False
+        if self.out_group != other.out_group: return False
+        if self.cookie != other.cookie: return False
+        if self.cookie_mask != other.cookie_mask: return False
+        if self.match != other.match: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("flow_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("out_port = ");
+                q.text(util.pretty_port(self.out_port))
+                q.text(","); q.breakable()
+                q.text("out_group = ");
+                q.text("%#x" % self.out_group)
+                q.text(","); q.breakable()
+                q.text("cookie = ");
+                q.text("%#x" % self.cookie)
+                q.text(","); q.breakable()
+                q.text("cookie_mask = ");
+                q.text("%#x" % self.cookie_mask)
+                q.text(","); q.breakable()
+                q.text("match = ");
+                q.pp(self.match)
+            q.breakable()
+        q.text('}')
+
+stats_request.subtypes[1] = flow_stats_request
+
+class get_config_reply(message):
+    version = 4
+    type = 8
+
+    def __init__(self, xid=None, flags=None, miss_send_len=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if miss_send_len != None:
+            self.miss_send_len = miss_send_len
+        else:
+            self.miss_send_len = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append(struct.pack("!H", self.miss_send_len))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = get_config_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 8)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.flags = reader.read("!H")[0]
+        obj.miss_send_len = reader.read("!H")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.miss_send_len != other.miss_send_len: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("get_config_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("miss_send_len = ");
+                q.text("%#x" % self.miss_send_len)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[8] = get_config_reply
+
+class get_config_request(message):
+    version = 4
+    type = 7
+
+    def __init__(self, xid=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = get_config_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 7)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("get_config_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+message.subtypes[7] = get_config_request
+
+class group_mod(message):
+    subtypes = {}
+
+    version = 4
+    type = 15
+
+    def __init__(self, xid=None, command=None, group_type=None, group_id=None, buckets=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if command != None:
+            self.command = command
+        else:
+            self.command = 0
+        if group_type != None:
+            self.group_type = group_type
+        else:
+            self.group_type = 0
+        if group_id != None:
+            self.group_id = group_id
+        else:
+            self.group_id = 0
+        if buckets != None:
+            self.buckets = buckets
+        else:
+            self.buckets = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.command))
+        packed.append(struct.pack("!B", self.group_type))
+        packed.append('\x00' * 1)
+        packed.append(struct.pack("!L", self.group_id))
+        packed.append(loxi.generic_util.pack_list(self.buckets))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!H', 8)
+        subclass = group_mod.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = group_mod()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 15)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.command = reader.read("!H")[0]
+        obj.group_type = reader.read("!B")[0]
+        reader.skip(1)
+        obj.group_id = reader.read("!L")[0]
+        obj.buckets = loxi.generic_util.unpack_list(reader, ofp.common.bucket.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.command != other.command: return False
+        if self.group_type != other.group_type: return False
+        if self.group_id != other.group_id: return False
+        if self.buckets != other.buckets: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("group_mod {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("group_type = ");
+                q.text("%#x" % self.group_type)
+                q.text(","); q.breakable()
+                q.text("group_id = ");
+                q.text("%#x" % self.group_id)
+                q.text(","); q.breakable()
+                q.text("buckets = ");
+                q.pp(self.buckets)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[15] = group_mod
+
+class group_add(group_mod):
+    version = 4
+    type = 15
+    command = 0
+
+    def __init__(self, xid=None, group_type=None, group_id=None, buckets=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if group_type != None:
+            self.group_type = group_type
+        else:
+            self.group_type = 0
+        if group_id != None:
+            self.group_id = group_id
+        else:
+            self.group_id = 0
+        if buckets != None:
+            self.buckets = buckets
+        else:
+            self.buckets = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.command))
+        packed.append(struct.pack("!B", self.group_type))
+        packed.append('\x00' * 1)
+        packed.append(struct.pack("!L", self.group_id))
+        packed.append(loxi.generic_util.pack_list(self.buckets))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = group_add()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 15)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _command = reader.read("!H")[0]
+        assert(_command == 0)
+        obj.group_type = reader.read("!B")[0]
+        reader.skip(1)
+        obj.group_id = reader.read("!L")[0]
+        obj.buckets = loxi.generic_util.unpack_list(reader, ofp.common.bucket.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.group_type != other.group_type: return False
+        if self.group_id != other.group_id: return False
+        if self.buckets != other.buckets: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("group_add {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("group_type = ");
+                q.text("%#x" % self.group_type)
+                q.text(","); q.breakable()
+                q.text("group_id = ");
+                q.text("%#x" % self.group_id)
+                q.text(","); q.breakable()
+                q.text("buckets = ");
+                q.pp(self.buckets)
+            q.breakable()
+        q.text('}')
+
+group_mod.subtypes[0] = group_add
+
+class group_delete(group_mod):
+    version = 4
+    type = 15
+    command = 2
+
+    def __init__(self, xid=None, group_type=None, group_id=None, buckets=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if group_type != None:
+            self.group_type = group_type
+        else:
+            self.group_type = 0
+        if group_id != None:
+            self.group_id = group_id
+        else:
+            self.group_id = 0
+        if buckets != None:
+            self.buckets = buckets
+        else:
+            self.buckets = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.command))
+        packed.append(struct.pack("!B", self.group_type))
+        packed.append('\x00' * 1)
+        packed.append(struct.pack("!L", self.group_id))
+        packed.append(loxi.generic_util.pack_list(self.buckets))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = group_delete()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 15)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _command = reader.read("!H")[0]
+        assert(_command == 2)
+        obj.group_type = reader.read("!B")[0]
+        reader.skip(1)
+        obj.group_id = reader.read("!L")[0]
+        obj.buckets = loxi.generic_util.unpack_list(reader, ofp.common.bucket.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.group_type != other.group_type: return False
+        if self.group_id != other.group_id: return False
+        if self.buckets != other.buckets: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("group_delete {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("group_type = ");
+                q.text("%#x" % self.group_type)
+                q.text(","); q.breakable()
+                q.text("group_id = ");
+                q.text("%#x" % self.group_id)
+                q.text(","); q.breakable()
+                q.text("buckets = ");
+                q.pp(self.buckets)
+            q.breakable()
+        q.text('}')
+
+group_mod.subtypes[2] = group_delete
+
+class group_desc_stats_reply(stats_reply):
+    version = 4
+    type = 19
+    stats_type = 7
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = group_desc_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 7)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.group_desc_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("group_desc_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+stats_reply.subtypes[7] = group_desc_stats_reply
+
+class group_desc_stats_request(stats_request):
+    version = 4
+    type = 18
+    stats_type = 7
+
+    def __init__(self, xid=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = group_desc_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 7)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("group_desc_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+stats_request.subtypes[7] = group_desc_stats_request
+
+class group_features_stats_reply(stats_reply):
+    version = 4
+    type = 19
+    stats_type = 8
+
+    def __init__(self, xid=None, flags=None, types=None, capabilities=None, max_groups_all=None, max_groups_select=None, max_groups_indirect=None, max_groups_ff=None, actions_all=None, actions_select=None, actions_indirect=None, actions_ff=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if types != None:
+            self.types = types
+        else:
+            self.types = 0
+        if capabilities != None:
+            self.capabilities = capabilities
+        else:
+            self.capabilities = 0
+        if max_groups_all != None:
+            self.max_groups_all = max_groups_all
+        else:
+            self.max_groups_all = 0
+        if max_groups_select != None:
+            self.max_groups_select = max_groups_select
+        else:
+            self.max_groups_select = 0
+        if max_groups_indirect != None:
+            self.max_groups_indirect = max_groups_indirect
+        else:
+            self.max_groups_indirect = 0
+        if max_groups_ff != None:
+            self.max_groups_ff = max_groups_ff
+        else:
+            self.max_groups_ff = 0
+        if actions_all != None:
+            self.actions_all = actions_all
+        else:
+            self.actions_all = 0
+        if actions_select != None:
+            self.actions_select = actions_select
+        else:
+            self.actions_select = 0
+        if actions_indirect != None:
+            self.actions_indirect = actions_indirect
+        else:
+            self.actions_indirect = 0
+        if actions_ff != None:
+            self.actions_ff = actions_ff
+        else:
+            self.actions_ff = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.types))
+        packed.append(struct.pack("!L", self.capabilities))
+        packed.append(struct.pack("!L", self.max_groups_all))
+        packed.append(struct.pack("!L", self.max_groups_select))
+        packed.append(struct.pack("!L", self.max_groups_indirect))
+        packed.append(struct.pack("!L", self.max_groups_ff))
+        packed.append(struct.pack("!L", self.actions_all))
+        packed.append(struct.pack("!L", self.actions_select))
+        packed.append(struct.pack("!L", self.actions_indirect))
+        packed.append(struct.pack("!L", self.actions_ff))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = group_features_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 8)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.types = reader.read("!L")[0]
+        obj.capabilities = reader.read("!L")[0]
+        obj.max_groups_all = reader.read("!L")[0]
+        obj.max_groups_select = reader.read("!L")[0]
+        obj.max_groups_indirect = reader.read("!L")[0]
+        obj.max_groups_ff = reader.read("!L")[0]
+        obj.actions_all = reader.read("!L")[0]
+        obj.actions_select = reader.read("!L")[0]
+        obj.actions_indirect = reader.read("!L")[0]
+        obj.actions_ff = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.types != other.types: return False
+        if self.capabilities != other.capabilities: return False
+        if self.max_groups_all != other.max_groups_all: return False
+        if self.max_groups_select != other.max_groups_select: return False
+        if self.max_groups_indirect != other.max_groups_indirect: return False
+        if self.max_groups_ff != other.max_groups_ff: return False
+        if self.actions_all != other.actions_all: return False
+        if self.actions_select != other.actions_select: return False
+        if self.actions_indirect != other.actions_indirect: return False
+        if self.actions_ff != other.actions_ff: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("group_features_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("types = ");
+                q.text("%#x" % self.types)
+                q.text(","); q.breakable()
+                q.text("capabilities = ");
+                q.text("%#x" % self.capabilities)
+                q.text(","); q.breakable()
+                q.text("max_groups_all = ");
+                q.text("%#x" % self.max_groups_all)
+                q.text(","); q.breakable()
+                q.text("max_groups_select = ");
+                q.text("%#x" % self.max_groups_select)
+                q.text(","); q.breakable()
+                q.text("max_groups_indirect = ");
+                q.text("%#x" % self.max_groups_indirect)
+                q.text(","); q.breakable()
+                q.text("max_groups_ff = ");
+                q.text("%#x" % self.max_groups_ff)
+                q.text(","); q.breakable()
+                q.text("actions_all = ");
+                q.text("%#x" % self.actions_all)
+                q.text(","); q.breakable()
+                q.text("actions_select = ");
+                q.text("%#x" % self.actions_select)
+                q.text(","); q.breakable()
+                q.text("actions_indirect = ");
+                q.text("%#x" % self.actions_indirect)
+                q.text(","); q.breakable()
+                q.text("actions_ff = ");
+                q.text("%#x" % self.actions_ff)
+            q.breakable()
+        q.text('}')
+
+stats_reply.subtypes[8] = group_features_stats_reply
+
+class group_features_stats_request(stats_request):
+    version = 4
+    type = 18
+    stats_type = 8
+
+    def __init__(self, xid=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = group_features_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 8)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("group_features_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+stats_request.subtypes[8] = group_features_stats_request
+
+class group_mod_failed_error_msg(error_msg):
+    version = 4
+    type = 1
+    err_type = 6
+
+    def __init__(self, xid=None, code=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if code != None:
+            self.code = code
+        else:
+            self.code = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.code))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = group_mod_failed_error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 6)
+        obj.code = reader.read("!H")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.code != other.code: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("group_mod_failed_error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("code = ");
+                q.text("%#x" % self.code)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+error_msg.subtypes[6] = group_mod_failed_error_msg
+
+class group_modify(group_mod):
+    version = 4
+    type = 15
+    command = 1
+
+    def __init__(self, xid=None, group_type=None, group_id=None, buckets=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if group_type != None:
+            self.group_type = group_type
+        else:
+            self.group_type = 0
+        if group_id != None:
+            self.group_id = group_id
+        else:
+            self.group_id = 0
+        if buckets != None:
+            self.buckets = buckets
+        else:
+            self.buckets = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.command))
+        packed.append(struct.pack("!B", self.group_type))
+        packed.append('\x00' * 1)
+        packed.append(struct.pack("!L", self.group_id))
+        packed.append(loxi.generic_util.pack_list(self.buckets))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = group_modify()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 15)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _command = reader.read("!H")[0]
+        assert(_command == 1)
+        obj.group_type = reader.read("!B")[0]
+        reader.skip(1)
+        obj.group_id = reader.read("!L")[0]
+        obj.buckets = loxi.generic_util.unpack_list(reader, ofp.common.bucket.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.group_type != other.group_type: return False
+        if self.group_id != other.group_id: return False
+        if self.buckets != other.buckets: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("group_modify {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("group_type = ");
+                q.text("%#x" % self.group_type)
+                q.text(","); q.breakable()
+                q.text("group_id = ");
+                q.text("%#x" % self.group_id)
+                q.text(","); q.breakable()
+                q.text("buckets = ");
+                q.pp(self.buckets)
+            q.breakable()
+        q.text('}')
+
+group_mod.subtypes[1] = group_modify
+
+class group_stats_reply(stats_reply):
+    version = 4
+    type = 19
+    stats_type = 6
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = group_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 6)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.group_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("group_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+stats_reply.subtypes[6] = group_stats_reply
+
+class group_stats_request(stats_request):
+    version = 4
+    type = 18
+    stats_type = 6
+
+    def __init__(self, xid=None, flags=None, group_id=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if group_id != None:
+            self.group_id = group_id
+        else:
+            self.group_id = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.group_id))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = group_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 6)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.group_id = reader.read("!L")[0]
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.group_id != other.group_id: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("group_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("group_id = ");
+                q.text("%#x" % self.group_id)
+            q.breakable()
+        q.text('}')
+
+stats_request.subtypes[6] = group_stats_request
+
+class hello(message):
+    version = 4
+    type = 0
+
+    def __init__(self, xid=None, elements=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if elements != None:
+            self.elements = elements
+        else:
+            self.elements = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(loxi.generic_util.pack_list(self.elements))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = hello()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 0)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.elements = loxi.generic_util.unpack_list(reader, ofp.common.hello_elem.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.elements != other.elements: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("hello {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("elements = ");
+                q.pp(self.elements)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[0] = hello
+
+class hello_failed_error_msg(error_msg):
+    version = 4
+    type = 1
+    err_type = 0
+
+    def __init__(self, xid=None, code=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if code != None:
+            self.code = code
+        else:
+            self.code = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.code))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = hello_failed_error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 0)
+        obj.code = reader.read("!H")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.code != other.code: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("hello_failed_error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("code = ");
+                q.text("%#x" % self.code)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+error_msg.subtypes[0] = hello_failed_error_msg
+
+class meter_config_stats_reply(stats_reply):
+    version = 4
+    type = 19
+    stats_type = 10
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = meter_config_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 10)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.meter_config.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("meter_config_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+stats_reply.subtypes[10] = meter_config_stats_reply
+
+class meter_config_stats_request(stats_request):
+    version = 4
+    type = 18
+    stats_type = 10
+
+    def __init__(self, xid=None, flags=None, meter_id=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if meter_id != None:
+            self.meter_id = meter_id
+        else:
+            self.meter_id = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.meter_id))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = meter_config_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 10)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.meter_id = reader.read("!L")[0]
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.meter_id != other.meter_id: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("meter_config_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("meter_id = ");
+                q.text("%#x" % self.meter_id)
+            q.breakable()
+        q.text('}')
+
+stats_request.subtypes[10] = meter_config_stats_request
+
+class meter_features_stats_reply(stats_reply):
+    version = 4
+    type = 19
+    stats_type = 11
+
+    def __init__(self, xid=None, flags=None, features=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if features != None:
+            self.features = features
+        else:
+            self.features = ofp.meter_features()
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(self.features.pack())
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = meter_features_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 11)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.features = ofp.meter_features.unpack(reader)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.features != other.features: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("meter_features_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("features = ");
+                q.pp(self.features)
+            q.breakable()
+        q.text('}')
+
+stats_reply.subtypes[11] = meter_features_stats_reply
+
+class meter_features_stats_request(stats_request):
+    version = 4
+    type = 18
+    stats_type = 11
+
+    def __init__(self, xid=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = meter_features_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 11)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("meter_features_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+stats_request.subtypes[11] = meter_features_stats_request
+
+class meter_mod(message):
+    version = 4
+    type = 29
+
+    def __init__(self, xid=None, command=None, flags=None, meter_id=None, meters=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if command != None:
+            self.command = command
+        else:
+            self.command = 0
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if meter_id != None:
+            self.meter_id = meter_id
+        else:
+            self.meter_id = 0
+        if meters != None:
+            self.meters = meters
+        else:
+            self.meters = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.command))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append(struct.pack("!L", self.meter_id))
+        packed.append(loxi.generic_util.pack_list(self.meters))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = meter_mod()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 29)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.command = reader.read("!H")[0]
+        obj.flags = reader.read("!H")[0]
+        obj.meter_id = reader.read("!L")[0]
+        obj.meters = loxi.generic_util.unpack_list(reader, ofp.meter_band.meter_band.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.command != other.command: return False
+        if self.flags != other.flags: return False
+        if self.meter_id != other.meter_id: return False
+        if self.meters != other.meters: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("meter_mod {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("command = ");
+                q.text("%#x" % self.command)
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("meter_id = ");
+                q.text("%#x" % self.meter_id)
+                q.text(","); q.breakable()
+                q.text("meters = ");
+                q.pp(self.meters)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[29] = meter_mod
+
+class meter_mod_failed_error_msg(error_msg):
+    version = 4
+    type = 1
+    err_type = 12
+
+    def __init__(self, xid=None, code=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if code != None:
+            self.code = code
+        else:
+            self.code = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.code))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = meter_mod_failed_error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 12)
+        obj.code = reader.read("!H")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.code != other.code: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("meter_mod_failed_error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("code = ");
+                q.text("%#x" % self.code)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+error_msg.subtypes[12] = meter_mod_failed_error_msg
+
+class meter_stats_reply(stats_reply):
+    version = 4
+    type = 19
+    stats_type = 9
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = meter_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 9)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.meter_stats.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("meter_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+stats_reply.subtypes[9] = meter_stats_reply
+
+class meter_stats_request(stats_request):
+    version = 4
+    type = 18
+    stats_type = 9
+
+    def __init__(self, xid=None, flags=None, meter_id=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if meter_id != None:
+            self.meter_id = meter_id
+        else:
+            self.meter_id = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!L", self.meter_id))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = meter_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 9)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.meter_id = reader.read("!L")[0]
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.meter_id != other.meter_id: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("meter_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("meter_id = ");
+                q.text("%#x" % self.meter_id)
+            q.breakable()
+        q.text('}')
+
+stats_request.subtypes[9] = meter_stats_request
+
+class nicira_header(experimenter):
+    subtypes = {}
+
+    version = 4
+    type = 4
+    experimenter = 8992
+
+    def __init__(self, xid=None, subtype=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if subtype != None:
+            self.subtype = subtype
+        else:
+            self.subtype = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!L', 12)
+        subclass = nicira_header.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = nicira_header()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 8992)
+        obj.subtype = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.subtype != other.subtype: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("nicira_header {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+            q.breakable()
+        q.text('}')
+
+experimenter.subtypes[8992] = nicira_header
+
+class packet_in(message):
+    version = 4
+    type = 10
+
+    def __init__(self, xid=None, buffer_id=None, total_len=None, reason=None, table_id=None, cookie=None, match=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if buffer_id != None:
+            self.buffer_id = buffer_id
+        else:
+            self.buffer_id = 0
+        if total_len != None:
+            self.total_len = total_len
+        else:
+            self.total_len = 0
+        if reason != None:
+            self.reason = reason
+        else:
+            self.reason = 0
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if cookie != None:
+            self.cookie = cookie
+        else:
+            self.cookie = 0
+        if match != None:
+            self.match = match
+        else:
+            self.match = ofp.match()
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.buffer_id))
+        packed.append(struct.pack("!H", self.total_len))
+        packed.append(struct.pack("!B", self.reason))
+        packed.append(struct.pack("!B", self.table_id))
+        packed.append(struct.pack("!Q", self.cookie))
+        packed.append(self.match.pack())
+        packed.append('\x00' * 2)
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = packet_in()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 10)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.buffer_id = reader.read("!L")[0]
+        obj.total_len = reader.read("!H")[0]
+        obj.reason = reader.read("!B")[0]
+        obj.table_id = reader.read("!B")[0]
+        obj.cookie = reader.read("!Q")[0]
+        obj.match = ofp.match.unpack(reader)
+        reader.skip(2)
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.buffer_id != other.buffer_id: return False
+        if self.total_len != other.total_len: return False
+        if self.reason != other.reason: return False
+        if self.table_id != other.table_id: return False
+        if self.cookie != other.cookie: return False
+        if self.match != other.match: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("packet_in {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("buffer_id = ");
+                q.text("%#x" % self.buffer_id)
+                q.text(","); q.breakable()
+                q.text("total_len = ");
+                q.text("%#x" % self.total_len)
+                q.text(","); q.breakable()
+                q.text("reason = ");
+                q.text("%#x" % self.reason)
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("cookie = ");
+                q.text("%#x" % self.cookie)
+                q.text(","); q.breakable()
+                q.text("match = ");
+                q.pp(self.match)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[10] = packet_in
+
+class packet_out(message):
+    version = 4
+    type = 13
+
+    def __init__(self, xid=None, buffer_id=None, in_port=None, actions=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if buffer_id != None:
+            self.buffer_id = buffer_id
+        else:
+            self.buffer_id = 0
+        if in_port != None:
+            self.in_port = in_port
+        else:
+            self.in_port = 0
+        if actions != None:
+            self.actions = actions
+        else:
+            self.actions = []
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.buffer_id))
+        packed.append(util.pack_port_no(self.in_port))
+        packed.append(struct.pack("!H", 0)) # placeholder for actions_len at index 6
+        packed.append('\x00' * 6)
+        packed.append(loxi.generic_util.pack_list(self.actions))
+        packed[6] = struct.pack("!H", len(packed[-1]))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = packet_out()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 13)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.buffer_id = reader.read("!L")[0]
+        obj.in_port = util.unpack_port_no(reader)
+        _actions_len = reader.read("!H")[0]
+        reader.skip(6)
+        obj.actions = loxi.generic_util.unpack_list(reader.slice(_actions_len), ofp.action.action.unpack)
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.buffer_id != other.buffer_id: return False
+        if self.in_port != other.in_port: return False
+        if self.actions != other.actions: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("packet_out {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("buffer_id = ");
+                q.text("%#x" % self.buffer_id)
+                q.text(","); q.breakable()
+                q.text("in_port = ");
+                q.text(util.pretty_port(self.in_port))
+                q.text(","); q.breakable()
+                q.text("actions = ");
+                q.pp(self.actions)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[13] = packet_out
+
+class port_desc_stats_reply(stats_reply):
+    version = 4
+    type = 19
+    stats_type = 13
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = port_desc_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 13)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.port_desc.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("port_desc_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+stats_reply.subtypes[13] = port_desc_stats_reply
+
+class port_desc_stats_request(stats_request):
+    version = 4
+    type = 18
+    stats_type = 13
+
+    def __init__(self, xid=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = port_desc_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 13)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("port_desc_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+stats_request.subtypes[13] = port_desc_stats_request
+
+class port_mod(message):
+    version = 4
+    type = 16
+
+    def __init__(self, xid=None, port_no=None, hw_addr=None, config=None, mask=None, advertise=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if port_no != None:
+            self.port_no = port_no
+        else:
+            self.port_no = 0
+        if hw_addr != None:
+            self.hw_addr = hw_addr
+        else:
+            self.hw_addr = [0,0,0,0,0,0]
+        if config != None:
+            self.config = config
+        else:
+            self.config = 0
+        if mask != None:
+            self.mask = mask
+        else:
+            self.mask = 0
+        if advertise != None:
+            self.advertise = advertise
+        else:
+            self.advertise = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(util.pack_port_no(self.port_no))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!6B", *self.hw_addr))
+        packed.append('\x00' * 2)
+        packed.append(struct.pack("!L", self.config))
+        packed.append(struct.pack("!L", self.mask))
+        packed.append(struct.pack("!L", self.advertise))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = port_mod()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 16)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.port_no = util.unpack_port_no(reader)
+        reader.skip(4)
+        obj.hw_addr = list(reader.read('!6B'))
+        reader.skip(2)
+        obj.config = reader.read("!L")[0]
+        obj.mask = reader.read("!L")[0]
+        obj.advertise = reader.read("!L")[0]
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.port_no != other.port_no: return False
+        if self.hw_addr != other.hw_addr: return False
+        if self.config != other.config: return False
+        if self.mask != other.mask: return False
+        if self.advertise != other.advertise: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("port_mod {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("port_no = ");
+                q.text(util.pretty_port(self.port_no))
+                q.text(","); q.breakable()
+                q.text("hw_addr = ");
+                q.text(util.pretty_mac(self.hw_addr))
+                q.text(","); q.breakable()
+                q.text("config = ");
+                q.text("%#x" % self.config)
+                q.text(","); q.breakable()
+                q.text("mask = ");
+                q.text("%#x" % self.mask)
+                q.text(","); q.breakable()
+                q.text("advertise = ");
+                q.text("%#x" % self.advertise)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[16] = port_mod
+
+class port_mod_failed_error_msg(error_msg):
+    version = 4
+    type = 1
+    err_type = 7
+
+    def __init__(self, xid=None, code=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if code != None:
+            self.code = code
+        else:
+            self.code = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.code))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = port_mod_failed_error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 7)
+        obj.code = reader.read("!H")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.code != other.code: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("port_mod_failed_error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("code = ");
+                q.text("%#x" % self.code)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+error_msg.subtypes[7] = port_mod_failed_error_msg
+
+class port_stats_reply(stats_reply):
+    version = 4
+    type = 19
+    stats_type = 4
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = port_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 4)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.port_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("port_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+stats_reply.subtypes[4] = port_stats_reply
+
+class port_stats_request(stats_request):
+    version = 4
+    type = 18
+    stats_type = 4
+
+    def __init__(self, xid=None, flags=None, port_no=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if port_no != None:
+            self.port_no = port_no
+        else:
+            self.port_no = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(util.pack_port_no(self.port_no))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = port_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 4)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.port_no = util.unpack_port_no(reader)
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.port_no != other.port_no: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("port_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("port_no = ");
+                q.text(util.pretty_port(self.port_no))
+            q.breakable()
+        q.text('}')
+
+stats_request.subtypes[4] = port_stats_request
+
+class port_status(message):
+    version = 4
+    type = 12
+
+    def __init__(self, xid=None, reason=None, desc=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if reason != None:
+            self.reason = reason
+        else:
+            self.reason = 0
+        if desc != None:
+            self.desc = desc
+        else:
+            self.desc = ofp.port_desc()
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!B", self.reason))
+        packed.append('\x00' * 7)
+        packed.append(self.desc.pack())
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = port_status()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 12)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.reason = reader.read("!B")[0]
+        reader.skip(7)
+        obj.desc = ofp.port_desc.unpack(reader)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.reason != other.reason: return False
+        if self.desc != other.desc: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("port_status {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("reason = ");
+                q.text("%#x" % self.reason)
+                q.text(","); q.breakable()
+                q.text("desc = ");
+                q.pp(self.desc)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[12] = port_status
+
+class queue_get_config_reply(message):
+    version = 4
+    type = 23
+
+    def __init__(self, xid=None, port=None, queues=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if port != None:
+            self.port = port
+        else:
+            self.port = 0
+        if queues != None:
+            self.queues = queues
+        else:
+            self.queues = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(util.pack_port_no(self.port))
+        packed.append('\x00' * 4)
+        packed.append(loxi.generic_util.pack_list(self.queues))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = queue_get_config_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 23)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.port = util.unpack_port_no(reader)
+        reader.skip(4)
+        obj.queues = loxi.generic_util.unpack_list(reader, ofp.common.packet_queue.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.port != other.port: return False
+        if self.queues != other.queues: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("queue_get_config_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("port = ");
+                q.text(util.pretty_port(self.port))
+                q.text(","); q.breakable()
+                q.text("queues = ");
+                q.pp(self.queues)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[23] = queue_get_config_reply
+
+class queue_get_config_request(message):
+    version = 4
+    type = 22
+
+    def __init__(self, xid=None, port=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if port != None:
+            self.port = port
+        else:
+            self.port = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(util.pack_port_no(self.port))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = queue_get_config_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 22)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.port = util.unpack_port_no(reader)
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.port != other.port: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("queue_get_config_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("port = ");
+                q.text(util.pretty_port(self.port))
+            q.breakable()
+        q.text('}')
+
+message.subtypes[22] = queue_get_config_request
+
+class queue_op_failed_error_msg(error_msg):
+    version = 4
+    type = 1
+    err_type = 9
+
+    def __init__(self, xid=None, code=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if code != None:
+            self.code = code
+        else:
+            self.code = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.code))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = queue_op_failed_error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 9)
+        obj.code = reader.read("!H")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.code != other.code: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("queue_op_failed_error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("code = ");
+                q.text("%#x" % self.code)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+error_msg.subtypes[9] = queue_op_failed_error_msg
+
+class queue_stats_reply(stats_reply):
+    version = 4
+    type = 19
+    stats_type = 5
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = queue_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 5)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.queue_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("queue_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+stats_reply.subtypes[5] = queue_stats_reply
+
+class queue_stats_request(stats_request):
+    version = 4
+    type = 18
+    stats_type = 5
+
+    def __init__(self, xid=None, flags=None, port_no=None, queue_id=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if port_no != None:
+            self.port_no = port_no
+        else:
+            self.port_no = 0
+        if queue_id != None:
+            self.queue_id = queue_id
+        else:
+            self.queue_id = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(util.pack_port_no(self.port_no))
+        packed.append(struct.pack("!L", self.queue_id))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = queue_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 5)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.port_no = util.unpack_port_no(reader)
+        obj.queue_id = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.port_no != other.port_no: return False
+        if self.queue_id != other.queue_id: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("queue_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("port_no = ");
+                q.text(util.pretty_port(self.port_no))
+                q.text(","); q.breakable()
+                q.text("queue_id = ");
+                q.text("%#x" % self.queue_id)
+            q.breakable()
+        q.text('}')
+
+stats_request.subtypes[5] = queue_stats_request
+
+class role_reply(message):
+    version = 4
+    type = 25
+
+    def __init__(self, xid=None, role=None, generation_id=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if role != None:
+            self.role = role
+        else:
+            self.role = 0
+        if generation_id != None:
+            self.generation_id = generation_id
+        else:
+            self.generation_id = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.role))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!Q", self.generation_id))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = role_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 25)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.role = reader.read("!L")[0]
+        reader.skip(4)
+        obj.generation_id = reader.read("!Q")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.role != other.role: return False
+        if self.generation_id != other.generation_id: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("role_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("role = ");
+                q.text("%#x" % self.role)
+                q.text(","); q.breakable()
+                q.text("generation_id = ");
+                q.text("%#x" % self.generation_id)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[25] = role_reply
+
+class role_request(message):
+    version = 4
+    type = 24
+
+    def __init__(self, xid=None, role=None, generation_id=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if role != None:
+            self.role = role
+        else:
+            self.role = 0
+        if generation_id != None:
+            self.generation_id = generation_id
+        else:
+            self.generation_id = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!L", self.role))
+        packed.append('\x00' * 4)
+        packed.append(struct.pack("!Q", self.generation_id))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = role_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 24)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.role = reader.read("!L")[0]
+        reader.skip(4)
+        obj.generation_id = reader.read("!Q")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.role != other.role: return False
+        if self.generation_id != other.generation_id: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("role_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("role = ");
+                q.text("%#x" % self.role)
+                q.text(","); q.breakable()
+                q.text("generation_id = ");
+                q.text("%#x" % self.generation_id)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[24] = role_request
+
+class role_request_failed_error_msg(error_msg):
+    version = 4
+    type = 1
+    err_type = 11
+
+    def __init__(self, xid=None, code=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if code != None:
+            self.code = code
+        else:
+            self.code = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.code))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = role_request_failed_error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 11)
+        obj.code = reader.read("!H")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.code != other.code: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("role_request_failed_error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("code = ");
+                q.text("%#x" % self.code)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+error_msg.subtypes[11] = role_request_failed_error_msg
+
+class set_config(message):
+    version = 4
+    type = 9
+
+    def __init__(self, xid=None, flags=None, miss_send_len=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if miss_send_len != None:
+            self.miss_send_len = miss_send_len
+        else:
+            self.miss_send_len = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append(struct.pack("!H", self.miss_send_len))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = set_config()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 9)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.flags = reader.read("!H")[0]
+        obj.miss_send_len = reader.read("!H")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.miss_send_len != other.miss_send_len: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("set_config {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("miss_send_len = ");
+                q.text("%#x" % self.miss_send_len)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[9] = set_config
+
+class switch_config_failed_error_msg(error_msg):
+    version = 4
+    type = 1
+    err_type = 10
+
+    def __init__(self, xid=None, code=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if code != None:
+            self.code = code
+        else:
+            self.code = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.code))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = switch_config_failed_error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 10)
+        obj.code = reader.read("!H")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.code != other.code: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("switch_config_failed_error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("code = ");
+                q.text("%#x" % self.code)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+error_msg.subtypes[10] = switch_config_failed_error_msg
+
+class table_features_failed_error_msg(error_msg):
+    version = 4
+    type = 1
+    err_type = 13
+
+    def __init__(self, xid=None, code=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if code != None:
+            self.code = code
+        else:
+            self.code = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.code))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = table_features_failed_error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 13)
+        obj.code = reader.read("!H")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.code != other.code: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("table_features_failed_error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("code = ");
+                q.text("%#x" % self.code)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+error_msg.subtypes[13] = table_features_failed_error_msg
+
+class table_features_stats_reply(stats_reply):
+    version = 4
+    type = 19
+    stats_type = 12
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = table_features_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 12)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.table_features.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("table_features_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+stats_reply.subtypes[12] = table_features_stats_reply
+
+class table_features_stats_request(stats_request):
+    version = 4
+    type = 18
+    stats_type = 12
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = table_features_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 12)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.table_features.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("table_features_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+stats_request.subtypes[12] = table_features_stats_request
+
+class table_mod(message):
+    version = 4
+    type = 17
+
+    def __init__(self, xid=None, table_id=None, config=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if config != None:
+            self.config = config
+        else:
+            self.config = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!B", self.table_id))
+        packed.append('\x00' * 3)
+        packed.append(struct.pack("!L", self.config))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = table_mod()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 17)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        obj.table_id = reader.read("!B")[0]
+        reader.skip(3)
+        obj.config = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.table_id != other.table_id: return False
+        if self.config != other.config: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("table_mod {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("config = ");
+                q.text("%#x" % self.config)
+            q.breakable()
+        q.text('}')
+
+message.subtypes[17] = table_mod
+
+class table_mod_failed_error_msg(error_msg):
+    version = 4
+    type = 1
+    err_type = 8
+
+    def __init__(self, xid=None, code=None, data=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if code != None:
+            self.code = code
+        else:
+            self.code = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.err_type))
+        packed.append(struct.pack("!H", self.code))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = table_mod_failed_error_msg()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _err_type = reader.read("!H")[0]
+        assert(_err_type == 8)
+        obj.code = reader.read("!H")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.code != other.code: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("table_mod_failed_error_msg {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("code = ");
+                q.text("%#x" % self.code)
+                q.text(","); q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+error_msg.subtypes[8] = table_mod_failed_error_msg
+
+class table_stats_reply(stats_reply):
+    version = 4
+    type = 19
+    stats_type = 3
+
+    def __init__(self, xid=None, flags=None, entries=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        if entries != None:
+            self.entries = entries
+        else:
+            self.entries = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        packed.append(loxi.generic_util.pack_list(self.entries))
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = table_stats_reply()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 3)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        obj.entries = loxi.generic_util.unpack_list(reader, ofp.common.table_stats_entry.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        if self.entries != other.entries: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("table_stats_reply {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+                q.text(","); q.breakable()
+                q.text("entries = ");
+                q.pp(self.entries)
+            q.breakable()
+        q.text('}')
+
+stats_reply.subtypes[3] = table_stats_reply
+
+class table_stats_request(stats_request):
+    version = 4
+    type = 18
+    stats_type = 3
+
+    def __init__(self, xid=None, flags=None):
+        if xid != None:
+            self.xid = xid
+        else:
+            self.xid = None
+        if flags != None:
+            self.flags = flags
+        else:
+            self.flags = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!B", self.version))
+        packed.append(struct.pack("!B", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for length at index 2
+        packed.append(struct.pack("!L", self.xid))
+        packed.append(struct.pack("!H", self.stats_type))
+        packed.append(struct.pack("!H", self.flags))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[2] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = table_stats_request()
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_length, 4)
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
+        assert(_stats_type == 3)
+        obj.flags = reader.read("!H")[0]
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.xid != other.xid: return False
+        if self.flags != other.flags: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("table_stats_request {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("xid = ");
+                if self.xid != None:
+                    q.text("%#x" % self.xid)
+                else:
+                    q.text('None')
+                q.text(","); q.breakable()
+                q.text("flags = ");
+                q.text("%#x" % self.flags)
+            q.breakable()
+        q.text('}')
+
+stats_request.subtypes[3] = table_stats_request
+
+
+def parse_header(buf):
+    if len(buf) < 8:
+        raise loxi.ProtocolError("too short to be an OpenFlow message")
+    return struct.unpack_from("!BBHL", buf)
+
+def parse_message(buf):
+    msg_ver, msg_type, msg_len, msg_xid = parse_header(buf)
+    if msg_ver != ofp.OFP_VERSION and msg_type != ofp.OFPT_HELLO:
+        raise loxi.ProtocolError("wrong OpenFlow version (expected %d, got %d)" % (ofp.OFP_VERSION, msg_ver))
+    if len(buf) != msg_len:
+        raise loxi.ProtocolError("incorrect message size")
+    return message.unpack(loxi.generic_util.OFReader(buf))