diff --git a/src/python/loxi/of13/message.py b/src/python/loxi/of13/message.py
index 46376d1..543442b 100644
--- a/src/python/loxi/of13/message.py
+++ b/src/python/loxi/of13/message.py
@@ -1,6 +1,7 @@
 # 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 message.py
 # Do not modify
@@ -21,8 +22,8 @@
     xid = None
 
 class aggregate_stats_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REPLY
+    version = 4
+    type = 19
     stats_type = 2
 
     def __init__(self, xid=None, flags=None, packet_count=None, byte_count=None, flow_count=None):
@@ -69,19 +70,19 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 2)
-        obj.flags = reader.read('!H')[0]
+        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]
+        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
 
@@ -132,8 +133,8 @@
         q.text('}')
 
 class aggregate_stats_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_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):
@@ -178,7 +179,7 @@
         packed.append('\x00' * 4)
         packed.append(struct.pack("!B", self.table_id))
         packed.append('\x00' * 3)
-        packed.append(struct.pack("!L", self.out_port))
+        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))
@@ -196,23 +197,23 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 2)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
-        obj.table_id = reader.read('!B')[0]
+        obj.table_id = reader.read("!B")[0]
         reader.skip(3)
-        obj.out_port = reader.read('!L')[0]
-        obj.out_group = reader.read('!L')[0]
+        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.cookie = reader.read("!Q")[0]
+        obj.cookie_mask = reader.read("!Q")[0]
         obj.match = common.match.unpack(reader)
         return obj
 
@@ -275,8 +276,8 @@
         q.text('}')
 
 class async_get_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_GET_ASYNC_REPLY
+    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):
         self.xid = xid
@@ -329,18 +330,18 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_GET_ASYNC_REPLY)
-        _length = reader.read('!H')[0]
-        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]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 27)
+        _length = reader.read("!H")[0]
+        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):
@@ -398,8 +399,8 @@
         q.text('}')
 
 class async_get_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_GET_ASYNC_REQUEST
+    version = 4
+    type = 26
 
     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):
         self.xid = xid
@@ -452,18 +453,18 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_GET_ASYNC_REQUEST)
-        _length = reader.read('!H')[0]
-        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]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 26)
+        _length = reader.read("!H")[0]
+        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):
@@ -521,8 +522,8 @@
         q.text('}')
 
 class async_set(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_SET_ASYNC
+    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):
         self.xid = xid
@@ -575,18 +576,18 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_SET_ASYNC)
-        _length = reader.read('!H')[0]
-        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]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 28)
+        _length = reader.read("!H")[0]
+        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):
@@ -644,8 +645,8 @@
         q.text('}')
 
 class barrier_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_BARRIER_REPLY
+    version = 4
+    type = 21
 
     def __init__(self, xid=None):
         self.xid = xid
@@ -668,12 +669,12 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_BARRIER_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 21)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
         return obj
 
     def __eq__(self, other):
@@ -707,8 +708,8 @@
         q.text('}')
 
 class barrier_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_BARRIER_REQUEST
+    version = 4
+    type = 20
 
     def __init__(self, xid=None):
         self.xid = xid
@@ -731,12 +732,12 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_BARRIER_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 20)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
         return obj
 
     def __eq__(self, other):
@@ -769,10 +770,486 @@
             q.breakable()
         q.text('}')
 
+class bsn_bw_clear_data_reply(Message):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 22
+
+    def __init__(self, xid=None, status=None):
+        self.xid = xid
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+
+    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(buf):
+        if len(buf) < 8: raise loxi.ProtocolError("buffer too short to contain an OpenFlow message")
+        obj = bsn_bw_clear_data_reply()
+        if type(buf) == loxi.generic_util.OFReader:
+            reader = buf
+        else:
+            reader = loxi.generic_util.OFReader(buf)
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        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.version != other.version: return False
+        if self.type != other.type: return False
+        if self.xid != other.xid: return False
+        if self.status != other.status: return False
+        return True
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    def __str__(self):
+        return self.show()
+
+    def show(self):
+        import loxi.pp
+        return loxi.pp.pp(self)
+
+    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('}')
+
+class bsn_bw_clear_data_request(Message):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 21
+
+    def __init__(self, xid=None):
+        self.xid = xid
+
+    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(buf):
+        if len(buf) < 8: raise loxi.ProtocolError("buffer too short to contain an OpenFlow message")
+        obj = bsn_bw_clear_data_request()
+        if type(buf) == loxi.generic_util.OFReader:
+            reader = buf
+        else:
+            reader = loxi.generic_util.OFReader(buf)
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        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.version != other.version: return False
+        if self.type != other.type: return False
+        if self.xid != other.xid: return False
+        return True
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    def __str__(self):
+        return self.show()
+
+    def show(self):
+        import loxi.pp
+        return loxi.pp.pp(self)
+
+    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('}')
+
+class bsn_bw_enable_get_reply(Message):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 20
+
+    def __init__(self, xid=None, enabled=None):
+        self.xid = xid
+        if enabled != None:
+            self.enabled = enabled
+        else:
+            self.enabled = 0
+
+    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(buf):
+        if len(buf) < 8: raise loxi.ProtocolError("buffer too short to contain an OpenFlow message")
+        obj = bsn_bw_enable_get_reply()
+        if type(buf) == loxi.generic_util.OFReader:
+            reader = buf
+        else:
+            reader = loxi.generic_util.OFReader(buf)
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        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.version != other.version: return False
+        if self.type != other.type: return False
+        if self.xid != other.xid: return False
+        if self.enabled != other.enabled: return False
+        return True
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    def __str__(self):
+        return self.show()
+
+    def show(self):
+        import loxi.pp
+        return loxi.pp.pp(self)
+
+    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('}')
+
+class bsn_bw_enable_get_request(Message):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 19
+
+    def __init__(self, xid=None):
+        self.xid = xid
+
+    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(buf):
+        if len(buf) < 8: raise loxi.ProtocolError("buffer too short to contain an OpenFlow message")
+        obj = bsn_bw_enable_get_request()
+        if type(buf) == loxi.generic_util.OFReader:
+            reader = buf
+        else:
+            reader = loxi.generic_util.OFReader(buf)
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        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.version != other.version: return False
+        if self.type != other.type: return False
+        if self.xid != other.xid: return False
+        return True
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    def __str__(self):
+        return self.show()
+
+    def show(self):
+        import loxi.pp
+        return loxi.pp.pp(self)
+
+    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('}')
+
+class bsn_bw_enable_set_reply(Message):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 23
+
+    def __init__(self, xid=None, enable=None, status=None):
+        self.xid = xid
+        if enable != None:
+            self.enable = enable
+        else:
+            self.enable = 0
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+
+    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(buf):
+        if len(buf) < 8: raise loxi.ProtocolError("buffer too short to contain an OpenFlow message")
+        obj = bsn_bw_enable_set_reply()
+        if type(buf) == loxi.generic_util.OFReader:
+            reader = buf
+        else:
+            reader = loxi.generic_util.OFReader(buf)
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        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.version != other.version: return False
+        if self.type != other.type: 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 __ne__(self, other):
+        return not self.__eq__(other)
+
+    def __str__(self):
+        return self.show()
+
+    def show(self):
+        import loxi.pp
+        return loxi.pp.pp(self)
+
+    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('}')
+
+class bsn_bw_enable_set_request(Message):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 18
+
+    def __init__(self, xid=None, enable=None):
+        self.xid = xid
+        if enable != None:
+            self.enable = enable
+        else:
+            self.enable = 0
+
+    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(buf):
+        if len(buf) < 8: raise loxi.ProtocolError("buffer too short to contain an OpenFlow message")
+        obj = bsn_bw_enable_set_request()
+        if type(buf) == loxi.generic_util.OFReader:
+            reader = buf
+        else:
+            reader = loxi.generic_util.OFReader(buf)
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        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.version != other.version: return False
+        if self.type != other.type: return False
+        if self.xid != other.xid: return False
+        if self.enable != other.enable: return False
+        return True
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    def __str__(self):
+        return self.show()
+
+    def show(self):
+        import loxi.pp
+        return loxi.pp.pp(self)
+
+    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('}')
+
 class bsn_get_interfaces_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_EXPERIMENTER
-    experimenter = 0x5c16c7
+    version = 4
+    type = 4
+    experimenter = 6035143
     subtype = 10
 
     def __init__(self, xid=None, interfaces=None):
@@ -790,7 +1267,7 @@
         packed.append(struct.pack("!L", self.xid))
         packed.append(struct.pack("!L", self.experimenter))
         packed.append(struct.pack("!L", self.subtype))
-        packed.append("".join([x.pack() for x in self.interfaces]))
+        packed.append(util.pack_list(self.interfaces))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -803,15 +1280,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_EXPERIMENTER)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _experimenter = reader.read('!L')[0]
-        assert(_experimenter == 0x5c16c7)
-        _subtype = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        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, common.bsn_interface.unpack)
         return obj
@@ -851,9 +1328,9 @@
         q.text('}')
 
 class bsn_get_interfaces_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_EXPERIMENTER
-    experimenter = 0x5c16c7
+    version = 4
+    type = 4
+    experimenter = 6035143
     subtype = 9
 
     def __init__(self, xid=None):
@@ -879,15 +1356,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_EXPERIMENTER)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _experimenter = reader.read('!L')[0]
-        assert(_experimenter == 0x5c16c7)
-        _subtype = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
         assert(_subtype == 9)
         return obj
 
@@ -922,9 +1399,9 @@
         q.text('}')
 
 class bsn_get_mirroring_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_EXPERIMENTER
-    experimenter = 0x5c16c7
+    version = 4
+    type = 4
+    experimenter = 6035143
     subtype = 5
 
     def __init__(self, xid=None, report_mirror_ports=None):
@@ -956,17 +1433,17 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_EXPERIMENTER)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _experimenter = reader.read('!L')[0]
-        assert(_experimenter == 0x5c16c7)
-        _subtype = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        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]
+        obj.report_mirror_ports = reader.read("!B")[0]
         reader.skip(3)
         return obj
 
@@ -1005,9 +1482,9 @@
         q.text('}')
 
 class bsn_get_mirroring_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_EXPERIMENTER
-    experimenter = 0x5c16c7
+    version = 4
+    type = 4
+    experimenter = 6035143
     subtype = 4
 
     def __init__(self, xid=None, report_mirror_ports=None):
@@ -1039,17 +1516,17 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_EXPERIMENTER)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _experimenter = reader.read('!L')[0]
-        assert(_experimenter == 0x5c16c7)
-        _subtype = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        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]
+        obj.report_mirror_ports = reader.read("!B")[0]
         reader.skip(3)
         return obj
 
@@ -1088,9 +1565,9 @@
         q.text('}')
 
 class bsn_set_mirroring(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_EXPERIMENTER
-    experimenter = 0x5c16c7
+    version = 4
+    type = 4
+    experimenter = 6035143
     subtype = 3
 
     def __init__(self, xid=None, report_mirror_ports=None):
@@ -1122,17 +1599,17 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_EXPERIMENTER)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _experimenter = reader.read('!L')[0]
-        assert(_experimenter == 0x5c16c7)
-        _subtype = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        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]
+        obj.report_mirror_ports = reader.read("!B")[0]
         reader.skip(3)
         return obj
 
@@ -1170,10 +1647,91 @@
             q.breakable()
         q.text('}')
 
-class bsn_set_pktin_suppression(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_EXPERIMENTER
-    experimenter = 0x5c16c7
+class bsn_set_pktin_suppression_reply(Message):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 25
+
+    def __init__(self, xid=None, status=None):
+        self.xid = xid
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+
+    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(buf):
+        if len(buf) < 8: raise loxi.ProtocolError("buffer too short to contain an OpenFlow message")
+        obj = bsn_set_pktin_suppression_reply()
+        if type(buf) == loxi.generic_util.OFReader:
+            reader = buf
+        else:
+            reader = loxi.generic_util.OFReader(buf)
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        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.version != other.version: return False
+        if self.type != other.type: return False
+        if self.xid != other.xid: return False
+        if self.status != other.status: return False
+        return True
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    def __str__(self):
+        return self.show()
+
+    def show(self):
+        import loxi.pp
+        return loxi.pp.pp(self)
+
+    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('}')
+
+class bsn_set_pktin_suppression_request(Message):
+    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):
@@ -1220,27 +1778,27 @@
     @staticmethod
     def unpack(buf):
         if len(buf) < 8: raise loxi.ProtocolError("buffer too short to contain an OpenFlow message")
-        obj = bsn_set_pktin_suppression()
+        obj = bsn_set_pktin_suppression_request()
         if type(buf) == loxi.generic_util.OFReader:
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_EXPERIMENTER)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _experimenter = reader.read('!L')[0]
-        assert(_experimenter == 0x5c16c7)
-        _subtype = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        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]
+        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]
+        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):
@@ -1266,7 +1824,7 @@
         return loxi.pp.pp(self)
 
     def pretty_print(self, q):
-        q.text("bsn_set_pktin_suppression {")
+        q.text("bsn_set_pktin_suppression_request {")
         with q.group():
             with q.indent(2):
                 q.breakable()
@@ -1293,9 +1851,343 @@
             q.breakable()
         q.text('}')
 
+class bsn_virtual_port_create_reply(Message):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 16
+
+    def __init__(self, xid=None, status=None, vport_no=None):
+        self.xid = xid
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+        if vport_no != None:
+            self.vport_no = vport_no
+        else:
+            self.vport_no = 0
+
+    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(buf):
+        if len(buf) < 8: raise loxi.ProtocolError("buffer too short to contain an OpenFlow message")
+        obj = bsn_virtual_port_create_reply()
+        if type(buf) == loxi.generic_util.OFReader:
+            reader = buf
+        else:
+            reader = loxi.generic_util.OFReader(buf)
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        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.version != other.version: return False
+        if self.type != other.type: 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 __ne__(self, other):
+        return not self.__eq__(other)
+
+    def __str__(self):
+        return self.show()
+
+    def show(self):
+        import loxi.pp
+        return loxi.pp.pp(self)
+
+    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('}')
+
+class bsn_virtual_port_create_request(Message):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 15
+
+    def __init__(self, xid=None, vport=None):
+        self.xid = xid
+        if vport != None:
+            self.vport = vport
+        else:
+            self.vport = common.bsn_vport_q_in_q()
+
+    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(buf):
+        if len(buf) < 8: raise loxi.ProtocolError("buffer too short to contain an OpenFlow message")
+        obj = bsn_virtual_port_create_request()
+        if type(buf) == loxi.generic_util.OFReader:
+            reader = buf
+        else:
+            reader = loxi.generic_util.OFReader(buf)
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 15)
+        obj.vport = common.bsn_vport_q_in_q.unpack(reader)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.version != other.version: return False
+        if self.type != other.type: return False
+        if self.xid != other.xid: return False
+        if self.vport != other.vport: return False
+        return True
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    def __str__(self):
+        return self.show()
+
+    def show(self):
+        import loxi.pp
+        return loxi.pp.pp(self)
+
+    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('}')
+
+class bsn_virtual_port_remove_reply(Message):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 26
+
+    def __init__(self, xid=None, status=None):
+        self.xid = xid
+        if status != None:
+            self.status = status
+        else:
+            self.status = 0
+
+    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(buf):
+        if len(buf) < 8: raise loxi.ProtocolError("buffer too short to contain an OpenFlow message")
+        obj = bsn_virtual_port_remove_reply()
+        if type(buf) == loxi.generic_util.OFReader:
+            reader = buf
+        else:
+            reader = loxi.generic_util.OFReader(buf)
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        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.version != other.version: return False
+        if self.type != other.type: return False
+        if self.xid != other.xid: return False
+        if self.status != other.status: return False
+        return True
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    def __str__(self):
+        return self.show()
+
+    def show(self):
+        import loxi.pp
+        return loxi.pp.pp(self)
+
+    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('}')
+
+class bsn_virtual_port_remove_request(Message):
+    version = 4
+    type = 4
+    experimenter = 6035143
+    subtype = 17
+
+    def __init__(self, xid=None, vport_no=None):
+        self.xid = xid
+        if vport_no != None:
+            self.vport_no = vport_no
+        else:
+            self.vport_no = 0
+
+    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(buf):
+        if len(buf) < 8: raise loxi.ProtocolError("buffer too short to contain an OpenFlow message")
+        obj = bsn_virtual_port_remove_request()
+        if type(buf) == loxi.generic_util.OFReader:
+            reader = buf
+        else:
+            reader = loxi.generic_util.OFReader(buf)
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 4)
+        _length = reader.read("!H")[0]
+        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.version != other.version: return False
+        if self.type != other.type: return False
+        if self.xid != other.xid: return False
+        if self.vport_no != other.vport_no: return False
+        return True
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
+
+    def __str__(self):
+        return self.show()
+
+    def show(self):
+        import loxi.pp
+        return loxi.pp.pp(self)
+
+    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('}')
+
 class desc_stats_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_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):
@@ -1351,15 +2243,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 0)
-        obj.flags = reader.read('!H')[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")
@@ -1423,8 +2315,8 @@
         q.text('}')
 
 class desc_stats_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REQUEST
+    version = 4
+    type = 18
     stats_type = 0
 
     def __init__(self, xid=None, flags=None):
@@ -1455,15 +2347,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 0)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         return obj
 
@@ -1502,15 +2394,15 @@
         q.text('}')
 
 class echo_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_ECHO_REPLY
+    version = 4
+    type = 3
 
     def __init__(self, xid=None, data=None):
         self.xid = xid
         if data != None:
             self.data = data
         else:
-            self.data = ""
+            self.data = ''
 
     def pack(self):
         packed = []
@@ -1531,12 +2423,12 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_ECHO_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 3)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
         obj.data = str(reader.read_all())
         return obj
 
@@ -1575,15 +2467,15 @@
         q.text('}')
 
 class echo_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_ECHO_REQUEST
+    version = 4
+    type = 2
 
     def __init__(self, xid=None, data=None):
         self.xid = xid
         if data != None:
             self.data = data
         else:
-            self.data = ""
+            self.data = ''
 
     def pack(self):
         packed = []
@@ -1604,12 +2496,12 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_ECHO_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 2)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
         obj.data = str(reader.read_all())
         return obj
 
@@ -1648,8 +2540,8 @@
         q.text('}')
 
 class error_msg(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_ERROR
+    version = 4
+    type = 1
 
     def __init__(self, xid=None, err_type=None, code=None, data=None):
         self.xid = xid
@@ -1664,7 +2556,7 @@
         if data != None:
             self.data = data
         else:
-            self.data = ""
+            self.data = ''
 
     def pack(self):
         packed = []
@@ -1687,14 +2579,14 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_ERROR)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        obj.err_type = reader.read('!H')[0]
-        obj.code = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 1)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        obj.err_type = reader.read("!H")[0]
+        obj.code = reader.read("!H")[0]
         obj.data = str(reader.read_all())
         return obj
 
@@ -1741,8 +2633,8 @@
         q.text('}')
 
 class features_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_FEATURES_REPLY
+    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):
         self.xid = xid
@@ -1796,19 +2688,19 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_FEATURES_REPLY)
-        _length = reader.read('!H')[0]
-        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]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 6)
+        _length = reader.read("!H")[0]
+        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]
+        obj.capabilities = reader.read("!L")[0]
+        obj.reserved = reader.read("!L")[0]
         return obj
 
     def __eq__(self, other):
@@ -1866,8 +2758,8 @@
         q.text('}')
 
 class features_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_FEATURES_REQUEST
+    version = 4
+    type = 5
 
     def __init__(self, xid=None):
         self.xid = xid
@@ -1890,12 +2782,12 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_FEATURES_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 5)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
         return obj
 
     def __eq__(self, other):
@@ -1929,9 +2821,9 @@
         q.text('}')
 
 class flow_add(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_FLOW_MOD
-    _command = const.OFPFC_ADD
+    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):
         self.xid = xid
@@ -1993,17 +2885,17 @@
         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(struct.pack("!B", self._command))
+        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(struct.pack("!L", self.out_port))
+        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("".join([x.pack() for x in self.instructions]))
+        packed.append(util.pack_list(self.instructions))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -2016,24 +2908,24 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_FLOW_MOD)
-        _length = reader.read('!H')[0]
-        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 = reader.read('!B')[0]
-        assert(__command == const.OFPFC_ADD)
-        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 = reader.read('!L')[0]
-        obj.out_group = reader.read('!L')[0]
-        obj.flags = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 14)
+        _length = reader.read("!H")[0]
+        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 = common.match.unpack(reader)
         obj.instructions = instruction.unpack_list(reader)
@@ -2118,9 +3010,9 @@
         q.text('}')
 
 class flow_delete(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_FLOW_MOD
-    _command = const.OFPFC_DELETE
+    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):
         self.xid = xid
@@ -2182,17 +3074,17 @@
         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(struct.pack("!B", self._command))
+        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(struct.pack("!L", self.out_port))
+        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("".join([x.pack() for x in self.instructions]))
+        packed.append(util.pack_list(self.instructions))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -2205,24 +3097,24 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_FLOW_MOD)
-        _length = reader.read('!H')[0]
-        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 = reader.read('!B')[0]
-        assert(__command == const.OFPFC_DELETE)
-        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 = reader.read('!L')[0]
-        obj.out_group = reader.read('!L')[0]
-        obj.flags = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 14)
+        _length = reader.read("!H")[0]
+        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 = common.match.unpack(reader)
         obj.instructions = instruction.unpack_list(reader)
@@ -2307,9 +3199,9 @@
         q.text('}')
 
 class flow_delete_strict(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_FLOW_MOD
-    _command = const.OFPFC_DELETE_STRICT
+    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):
         self.xid = xid
@@ -2371,17 +3263,17 @@
         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(struct.pack("!B", self._command))
+        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(struct.pack("!L", self.out_port))
+        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("".join([x.pack() for x in self.instructions]))
+        packed.append(util.pack_list(self.instructions))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -2394,24 +3286,24 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_FLOW_MOD)
-        _length = reader.read('!H')[0]
-        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 = reader.read('!B')[0]
-        assert(__command == const.OFPFC_DELETE_STRICT)
-        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 = reader.read('!L')[0]
-        obj.out_group = reader.read('!L')[0]
-        obj.flags = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 14)
+        _length = reader.read("!H")[0]
+        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 = common.match.unpack(reader)
         obj.instructions = instruction.unpack_list(reader)
@@ -2496,9 +3388,9 @@
         q.text('}')
 
 class flow_modify(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_FLOW_MOD
-    _command = const.OFPFC_MODIFY
+    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):
         self.xid = xid
@@ -2560,17 +3452,17 @@
         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(struct.pack("!B", self._command))
+        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(struct.pack("!L", self.out_port))
+        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("".join([x.pack() for x in self.instructions]))
+        packed.append(util.pack_list(self.instructions))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -2583,24 +3475,24 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_FLOW_MOD)
-        _length = reader.read('!H')[0]
-        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 = reader.read('!B')[0]
-        assert(__command == const.OFPFC_MODIFY)
-        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 = reader.read('!L')[0]
-        obj.out_group = reader.read('!L')[0]
-        obj.flags = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 14)
+        _length = reader.read("!H")[0]
+        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 = common.match.unpack(reader)
         obj.instructions = instruction.unpack_list(reader)
@@ -2685,9 +3577,9 @@
         q.text('}')
 
 class flow_modify_strict(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_FLOW_MOD
-    _command = const.OFPFC_MODIFY_STRICT
+    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):
         self.xid = xid
@@ -2749,17 +3641,17 @@
         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(struct.pack("!B", self._command))
+        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(struct.pack("!L", self.out_port))
+        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("".join([x.pack() for x in self.instructions]))
+        packed.append(util.pack_list(self.instructions))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -2772,24 +3664,24 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_FLOW_MOD)
-        _length = reader.read('!H')[0]
-        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 = reader.read('!B')[0]
-        assert(__command == const.OFPFC_MODIFY_STRICT)
-        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 = reader.read('!L')[0]
-        obj.out_group = reader.read('!L')[0]
-        obj.flags = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 14)
+        _length = reader.read("!H")[0]
+        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 = common.match.unpack(reader)
         obj.instructions = instruction.unpack_list(reader)
@@ -2874,8 +3766,8 @@
         q.text('}')
 
 class flow_removed(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_FLOW_REMOVED
+    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):
         self.xid = xid
@@ -2953,22 +3845,22 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_FLOW_REMOVED)
-        _length = reader.read('!H')[0]
-        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]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 11)
+        _length = reader.read("!H")[0]
+        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 = common.match.unpack(reader)
         return obj
 
@@ -3047,8 +3939,8 @@
         q.text('}')
 
 class flow_stats_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REPLY
+    version = 4
+    type = 19
     stats_type = 1
 
     def __init__(self, xid=None, flags=None, entries=None):
@@ -3071,7 +3963,7 @@
         packed.append(struct.pack("!H", self.stats_type))
         packed.append(struct.pack("!H", self.flags))
         packed.append('\x00' * 4)
-        packed.append("".join([x.pack() for x in self.entries]))
+        packed.append(util.pack_list(self.entries))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -3084,15 +3976,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 1)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         obj.entries = common.unpack_list_flow_stats_entry(reader)
         return obj
@@ -3136,8 +4028,8 @@
         q.text('}')
 
 class flow_stats_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_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):
@@ -3182,7 +4074,7 @@
         packed.append('\x00' * 4)
         packed.append(struct.pack("!B", self.table_id))
         packed.append('\x00' * 3)
-        packed.append(struct.pack("!L", self.out_port))
+        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))
@@ -3200,23 +4092,23 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 1)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
-        obj.table_id = reader.read('!B')[0]
+        obj.table_id = reader.read("!B")[0]
         reader.skip(3)
-        obj.out_port = reader.read('!L')[0]
-        obj.out_group = reader.read('!L')[0]
+        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.cookie = reader.read("!Q")[0]
+        obj.cookie_mask = reader.read("!Q")[0]
         obj.match = common.match.unpack(reader)
         return obj
 
@@ -3279,8 +4171,8 @@
         q.text('}')
 
 class get_config_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_GET_CONFIG_REPLY
+    version = 4
+    type = 8
 
     def __init__(self, xid=None, flags=None, miss_send_len=None):
         self.xid = xid
@@ -3313,14 +4205,14 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_GET_CONFIG_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        obj.flags = reader.read('!H')[0]
-        obj.miss_send_len = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 8)
+        _length = reader.read("!H")[0]
+        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):
@@ -3362,8 +4254,8 @@
         q.text('}')
 
 class get_config_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_GET_CONFIG_REQUEST
+    version = 4
+    type = 7
 
     def __init__(self, xid=None):
         self.xid = xid
@@ -3386,12 +4278,12 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_GET_CONFIG_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 7)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
         return obj
 
     def __eq__(self, other):
@@ -3425,8 +4317,8 @@
         q.text('}')
 
 class group_desc_stats_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REPLY
+    version = 4
+    type = 19
     stats_type = 7
 
     def __init__(self, xid=None, flags=None, entries=None):
@@ -3449,7 +4341,7 @@
         packed.append(struct.pack("!H", self.stats_type))
         packed.append(struct.pack("!H", self.flags))
         packed.append('\x00' * 4)
-        packed.append("".join([x.pack() for x in self.entries]))
+        packed.append(util.pack_list(self.entries))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -3462,15 +4354,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 7)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         obj.entries = common.unpack_list_group_desc_stats_entry(reader)
         return obj
@@ -3514,8 +4406,8 @@
         q.text('}')
 
 class group_desc_stats_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REQUEST
+    version = 4
+    type = 18
     stats_type = 7
 
     def __init__(self, xid=None, flags=None):
@@ -3546,15 +4438,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 7)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         return obj
 
@@ -3593,8 +4485,8 @@
         q.text('}')
 
 class group_features_stats_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_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):
@@ -3675,26 +4567,26 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 8)
-        obj.flags = reader.read('!H')[0]
+        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]
+        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):
@@ -3772,8 +4664,8 @@
         q.text('}')
 
 class group_features_stats_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REQUEST
+    version = 4
+    type = 18
     stats_type = 8
 
     def __init__(self, xid=None, flags=None):
@@ -3804,15 +4696,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 8)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         return obj
 
@@ -3851,8 +4743,8 @@
         q.text('}')
 
 class group_mod(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_GROUP_MOD
+    version = 4
+    type = 15
 
     def __init__(self, xid=None, command=None, group_type=None, group_id=None, buckets=None):
         self.xid = xid
@@ -3883,7 +4775,7 @@
         packed.append(struct.pack("!B", self.group_type))
         packed.append('\x00' * 1)
         packed.append(struct.pack("!L", self.group_id))
-        packed.append("".join([x.pack() for x in self.buckets]))
+        packed.append(util.pack_list(self.buckets))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -3896,16 +4788,16 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_GROUP_MOD)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        obj.command = reader.read('!H')[0]
-        obj.group_type = reader.read('!B')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 15)
+        _length = reader.read("!H")[0]
+        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.group_id = reader.read("!L")[0]
         obj.buckets = common.unpack_list_bucket(reader)
         return obj
 
@@ -3956,8 +4848,8 @@
         q.text('}')
 
 class group_stats_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REPLY
+    version = 4
+    type = 19
     stats_type = 6
 
     def __init__(self, xid=None, flags=None, entries=None):
@@ -3980,7 +4872,7 @@
         packed.append(struct.pack("!H", self.stats_type))
         packed.append(struct.pack("!H", self.flags))
         packed.append('\x00' * 4)
-        packed.append("".join([x.pack() for x in self.entries]))
+        packed.append(util.pack_list(self.entries))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -3993,15 +4885,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 6)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         obj.entries = common.unpack_list_group_stats_entry(reader)
         return obj
@@ -4045,8 +4937,8 @@
         q.text('}')
 
 class group_stats_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REQUEST
+    version = 4
+    type = 18
     stats_type = 6
 
     def __init__(self, xid=None, flags=None, group_id=None):
@@ -4083,17 +4975,17 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 6)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
-        obj.group_id = reader.read('!L')[0]
+        obj.group_id = reader.read("!L")[0]
         reader.skip(4)
         return obj
 
@@ -4136,8 +5028,8 @@
         q.text('}')
 
 class hello(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_HELLO
+    version = 4
+    type = 0
 
     def __init__(self, xid=None, elements=None):
         self.xid = xid
@@ -4152,7 +5044,7 @@
         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("".join([x.pack() for x in self.elements]))
+        packed.append(util.pack_list(self.elements))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -4165,12 +5057,12 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_HELLO)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 0)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
         obj.elements = common.unpack_list_hello_elem(reader)
         return obj
 
@@ -4209,8 +5101,8 @@
         q.text('}')
 
 class meter_config_stats_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REPLY
+    version = 4
+    type = 19
     stats_type = 10
 
     def __init__(self, xid=None, flags=None, entries=None):
@@ -4233,7 +5125,7 @@
         packed.append(struct.pack("!H", self.stats_type))
         packed.append(struct.pack("!H", self.flags))
         packed.append('\x00' * 4)
-        packed.append("".join([x.pack() for x in self.entries]))
+        packed.append(util.pack_list(self.entries))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -4246,15 +5138,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 10)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         obj.entries = meter_band.unpack_list(reader)
         return obj
@@ -4298,8 +5190,8 @@
         q.text('}')
 
 class meter_config_stats_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REQUEST
+    version = 4
+    type = 18
     stats_type = 10
 
     def __init__(self, xid=None, flags=None, meter_id=None):
@@ -4336,17 +5228,17 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 10)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
-        obj.meter_id = reader.read('!L')[0]
+        obj.meter_id = reader.read("!L")[0]
         reader.skip(4)
         return obj
 
@@ -4389,8 +5281,8 @@
         q.text('}')
 
 class meter_features_stats_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REPLY
+    version = 4
+    type = 19
     stats_type = 11
 
     def __init__(self, xid=None, flags=None, features=None):
@@ -4426,15 +5318,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 11)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         obj.features = common.meter_features.unpack(reader)
         return obj
@@ -4478,8 +5370,8 @@
         q.text('}')
 
 class meter_features_stats_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REQUEST
+    version = 4
+    type = 18
     stats_type = 11
 
     def __init__(self, xid=None, flags=None):
@@ -4510,15 +5402,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 11)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         return obj
 
@@ -4557,8 +5449,8 @@
         q.text('}')
 
 class meter_mod(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_METER_MOD
+    version = 4
+    type = 29
 
     def __init__(self, xid=None, command=None, flags=None, meter_id=None, meters=None):
         self.xid = xid
@@ -4588,7 +5480,7 @@
         packed.append(struct.pack("!H", self.command))
         packed.append(struct.pack("!H", self.flags))
         packed.append(struct.pack("!L", self.meter_id))
-        packed.append("".join([x.pack() for x in self.meters]))
+        packed.append(util.pack_list(self.meters))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -4601,15 +5493,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_METER_MOD)
-        _length = reader.read('!H')[0]
-        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]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 29)
+        _length = reader.read("!H")[0]
+        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 = meter_band.unpack_list(reader)
         return obj
 
@@ -4660,8 +5552,8 @@
         q.text('}')
 
 class meter_stats_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REPLY
+    version = 4
+    type = 19
     stats_type = 9
 
     def __init__(self, xid=None, flags=None, entries=None):
@@ -4684,7 +5576,7 @@
         packed.append(struct.pack("!H", self.stats_type))
         packed.append(struct.pack("!H", self.flags))
         packed.append('\x00' * 4)
-        packed.append("".join([x.pack() for x in self.entries]))
+        packed.append(util.pack_list(self.entries))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -4697,15 +5589,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 9)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         obj.entries = common.unpack_list_meter_stats(reader)
         return obj
@@ -4749,8 +5641,8 @@
         q.text('}')
 
 class meter_stats_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REQUEST
+    version = 4
+    type = 18
     stats_type = 9
 
     def __init__(self, xid=None, flags=None, meter_id=None):
@@ -4787,17 +5679,17 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 9)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
-        obj.meter_id = reader.read('!L')[0]
+        obj.meter_id = reader.read("!L")[0]
         reader.skip(4)
         return obj
 
@@ -4840,8 +5732,8 @@
         q.text('}')
 
 class packet_in(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_PACKET_IN
+    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):
         self.xid = xid
@@ -4872,7 +5764,7 @@
         if data != None:
             self.data = data
         else:
-            self.data = ""
+            self.data = ''
 
     def pack(self):
         packed = []
@@ -4900,17 +5792,17 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_PACKET_IN)
-        _length = reader.read('!H')[0]
-        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]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 10)
+        _length = reader.read("!H")[0]
+        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 = common.match.unpack(reader)
         reader.skip(2)
         obj.data = str(reader.read_all())
@@ -4975,8 +5867,8 @@
         q.text('}')
 
 class packet_out(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_PACKET_OUT
+    version = 4
+    type = 13
 
     def __init__(self, xid=None, buffer_id=None, in_port=None, actions=None, data=None):
         self.xid = xid
@@ -4995,7 +5887,7 @@
         if data != None:
             self.data = data
         else:
-            self.data = ""
+            self.data = ''
 
     def pack(self):
         packed = []
@@ -5004,10 +5896,10 @@
         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("!L", self.in_port))
+        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("".join([x.pack() for x in self.actions]))
+        packed.append(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])
@@ -5022,15 +5914,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_PACKET_OUT)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        obj.buffer_id = reader.read('!L')[0]
-        obj.in_port = reader.read('!L')[0]
-        _actions_len = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 13)
+        _length = reader.read("!H")[0]
+        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 = action.unpack_list(reader.slice(_actions_len))
         obj.data = str(reader.read_all())
@@ -5083,8 +5975,8 @@
         q.text('}')
 
 class port_desc_stats_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REPLY
+    version = 4
+    type = 19
     stats_type = 13
 
     def __init__(self, xid=None, flags=None, entries=None):
@@ -5107,7 +5999,7 @@
         packed.append(struct.pack("!H", self.stats_type))
         packed.append(struct.pack("!H", self.flags))
         packed.append('\x00' * 4)
-        packed.append("".join([x.pack() for x in self.entries]))
+        packed.append(util.pack_list(self.entries))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -5120,15 +6012,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 13)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         obj.entries = loxi.generic_util.unpack_list(reader, common.port_desc.unpack)
         return obj
@@ -5172,8 +6064,8 @@
         q.text('}')
 
 class port_desc_stats_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REQUEST
+    version = 4
+    type = 18
     stats_type = 13
 
     def __init__(self, xid=None, flags=None):
@@ -5204,15 +6096,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 13)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         return obj
 
@@ -5251,8 +6143,8 @@
         q.text('}')
 
 class port_mod(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_PORT_MOD
+    version = 4
+    type = 16
 
     def __init__(self, xid=None, port_no=None, hw_addr=None, config=None, mask=None, advertise=None):
         self.xid = xid
@@ -5283,7 +6175,7 @@
         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.port_no))
+        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)
@@ -5303,19 +6195,19 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_PORT_MOD)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        obj.port_no = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 16)
+        _length = reader.read("!H")[0]
+        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]
+        obj.config = reader.read("!L")[0]
+        obj.mask = reader.read("!L")[0]
+        obj.advertise = reader.read("!L")[0]
         reader.skip(4)
         return obj
 
@@ -5370,8 +6262,8 @@
         q.text('}')
 
 class port_stats_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REPLY
+    version = 4
+    type = 19
     stats_type = 4
 
     def __init__(self, xid=None, flags=None, entries=None):
@@ -5394,7 +6286,7 @@
         packed.append(struct.pack("!H", self.stats_type))
         packed.append(struct.pack("!H", self.flags))
         packed.append('\x00' * 4)
-        packed.append("".join([x.pack() for x in self.entries]))
+        packed.append(util.pack_list(self.entries))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -5407,15 +6299,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 4)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         obj.entries = loxi.generic_util.unpack_list(reader, common.port_stats_entry.unpack)
         return obj
@@ -5459,8 +6351,8 @@
         q.text('}')
 
 class port_stats_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REQUEST
+    version = 4
+    type = 18
     stats_type = 4
 
     def __init__(self, xid=None, flags=None, port_no=None):
@@ -5483,7 +6375,7 @@
         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.port_no))
+        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)
@@ -5497,17 +6389,17 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 4)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
-        obj.port_no = reader.read('!L')[0]
+        obj.port_no = util.unpack_port_no(reader)
         reader.skip(4)
         return obj
 
@@ -5550,8 +6442,8 @@
         q.text('}')
 
 class port_status(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_PORT_STATUS
+    version = 4
+    type = 12
 
     def __init__(self, xid=None, reason=None, desc=None):
         self.xid = xid
@@ -5585,13 +6477,13 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_PORT_STATUS)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        obj.reason = reader.read('!B')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 12)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        obj.reason = reader.read("!B")[0]
         reader.skip(7)
         obj.desc = common.port_desc.unpack(reader)
         return obj
@@ -5635,8 +6527,8 @@
         q.text('}')
 
 class queue_get_config_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_QUEUE_GET_CONFIG_REPLY
+    version = 4
+    type = 23
 
     def __init__(self, xid=None, port=None, queues=None):
         self.xid = xid
@@ -5655,9 +6547,9 @@
         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.port))
+        packed.append(util.pack_port_no(self.port))
         packed.append('\x00' * 4)
-        packed.append("".join([x.pack() for x in self.queues]))
+        packed.append(util.pack_list(self.queues))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -5670,13 +6562,13 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_QUEUE_GET_CONFIG_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        obj.port = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 23)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        obj.port = util.unpack_port_no(reader)
         reader.skip(4)
         obj.queues = common.unpack_list_packet_queue(reader)
         return obj
@@ -5720,8 +6612,8 @@
         q.text('}')
 
 class queue_get_config_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_QUEUE_GET_CONFIG_REQUEST
+    version = 4
+    type = 22
 
     def __init__(self, xid=None, port=None):
         self.xid = xid
@@ -5736,7 +6628,7 @@
         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.port))
+        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)
@@ -5750,13 +6642,13 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_QUEUE_GET_CONFIG_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        obj.port = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 22)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        obj.port = util.unpack_port_no(reader)
         reader.skip(4)
         return obj
 
@@ -5795,8 +6687,8 @@
         q.text('}')
 
 class queue_stats_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REPLY
+    version = 4
+    type = 19
     stats_type = 5
 
     def __init__(self, xid=None, flags=None, entries=None):
@@ -5819,7 +6711,7 @@
         packed.append(struct.pack("!H", self.stats_type))
         packed.append(struct.pack("!H", self.flags))
         packed.append('\x00' * 4)
-        packed.append("".join([x.pack() for x in self.entries]))
+        packed.append(util.pack_list(self.entries))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -5832,15 +6724,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 5)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         obj.entries = loxi.generic_util.unpack_list(reader, common.queue_stats_entry.unpack)
         return obj
@@ -5884,8 +6776,8 @@
         q.text('}')
 
 class queue_stats_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REQUEST
+    version = 4
+    type = 18
     stats_type = 5
 
     def __init__(self, xid=None, flags=None, port_no=None, queue_id=None):
@@ -5912,7 +6804,7 @@
         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.port_no))
+        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)
@@ -5926,18 +6818,18 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 5)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
-        obj.port_no = reader.read('!L')[0]
-        obj.queue_id = reader.read('!L')[0]
+        obj.port_no = util.unpack_port_no(reader)
+        obj.queue_id = reader.read("!L")[0]
         return obj
 
     def __eq__(self, other):
@@ -5983,15 +6875,15 @@
         q.text('}')
 
 class role_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_ROLE_REPLY
+    version = 4
+    type = 25
 
     def __init__(self, xid=None, data=None):
         self.xid = xid
         if data != None:
             self.data = data
         else:
-            self.data = ""
+            self.data = ''
 
     def pack(self):
         packed = []
@@ -6012,12 +6904,12 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_ROLE_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 25)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
         obj.data = str(reader.read_all())
         return obj
 
@@ -6056,8 +6948,8 @@
         q.text('}')
 
 class role_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_ROLE_REQUEST
+    version = 4
+    type = 24
 
     def __init__(self, xid=None, role=None, generation_id=None):
         self.xid = xid
@@ -6091,15 +6983,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_ROLE_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        obj.role = reader.read('!L')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 24)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        obj.role = reader.read("!L")[0]
         reader.skip(4)
-        obj.generation_id = reader.read('!Q')[0]
+        obj.generation_id = reader.read("!Q")[0]
         return obj
 
     def __eq__(self, other):
@@ -6141,8 +7033,8 @@
         q.text('}')
 
 class set_config(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_SET_CONFIG
+    version = 4
+    type = 9
 
     def __init__(self, xid=None, flags=None, miss_send_len=None):
         self.xid = xid
@@ -6175,14 +7067,14 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_SET_CONFIG)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        obj.flags = reader.read('!H')[0]
-        obj.miss_send_len = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 9)
+        _length = reader.read("!H")[0]
+        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):
@@ -6224,8 +7116,8 @@
         q.text('}')
 
 class table_features_stats_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REPLY
+    version = 4
+    type = 19
     stats_type = 12
 
     def __init__(self, xid=None, flags=None, entries=None):
@@ -6248,7 +7140,7 @@
         packed.append(struct.pack("!H", self.stats_type))
         packed.append(struct.pack("!H", self.flags))
         packed.append('\x00' * 4)
-        packed.append("".join([x.pack() for x in self.entries]))
+        packed.append(util.pack_list(self.entries))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -6261,17 +7153,17 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 12)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
-        obj.entries = loxi.unimplemented('unpack list of_list_table_features_t')
+        obj.entries = loxi.unimplemented('unpack list(of_table_features_t)')
         return obj
 
     def __eq__(self, other):
@@ -6313,8 +7205,8 @@
         q.text('}')
 
 class table_features_stats_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REQUEST
+    version = 4
+    type = 18
     stats_type = 12
 
     def __init__(self, xid=None, flags=None, entries=None):
@@ -6337,7 +7229,7 @@
         packed.append(struct.pack("!H", self.stats_type))
         packed.append(struct.pack("!H", self.flags))
         packed.append('\x00' * 4)
-        packed.append("".join([x.pack() for x in self.entries]))
+        packed.append(util.pack_list(self.entries))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -6350,17 +7242,17 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 12)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
-        obj.entries = loxi.unimplemented('unpack list of_list_table_features_t')
+        obj.entries = loxi.unimplemented('unpack list(of_table_features_t)')
         return obj
 
     def __eq__(self, other):
@@ -6402,8 +7294,8 @@
         q.text('}')
 
 class table_mod(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_TABLE_MOD
+    version = 4
+    type = 17
 
     def __init__(self, xid=None, table_id=None, config=None):
         self.xid = xid
@@ -6437,15 +7329,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_TABLE_MOD)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        obj.table_id = reader.read('!B')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 17)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        obj.table_id = reader.read("!B")[0]
         reader.skip(3)
-        obj.config = reader.read('!L')[0]
+        obj.config = reader.read("!L")[0]
         return obj
 
     def __eq__(self, other):
@@ -6487,8 +7379,8 @@
         q.text('}')
 
 class table_stats_reply(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REPLY
+    version = 4
+    type = 19
     stats_type = 3
 
     def __init__(self, xid=None, flags=None, entries=None):
@@ -6511,7 +7403,7 @@
         packed.append(struct.pack("!H", self.stats_type))
         packed.append(struct.pack("!H", self.flags))
         packed.append('\x00' * 4)
-        packed.append("".join([x.pack() for x in self.entries]))
+        packed.append(util.pack_list(self.entries))
         length = sum([len(x) for x in packed])
         packed[2] = struct.pack("!H", length)
         return ''.join(packed)
@@ -6524,15 +7416,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REPLY)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 19)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 3)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         obj.entries = loxi.generic_util.unpack_list(reader, common.table_stats_entry.unpack)
         return obj
@@ -6576,8 +7468,8 @@
         q.text('}')
 
 class table_stats_request(Message):
-    version = const.OFP_VERSION
-    type = const.OFPT_MULTIPART_REQUEST
+    version = 4
+    type = 18
     stats_type = 3
 
     def __init__(self, xid=None, flags=None):
@@ -6608,15 +7500,15 @@
             reader = buf
         else:
             reader = loxi.generic_util.OFReader(buf)
-        _version = reader.read('!B')[0]
-        assert(_version == const.OFP_VERSION)
-        _type = reader.read('!B')[0]
-        assert(_type == const.OFPT_MULTIPART_REQUEST)
-        _length = reader.read('!H')[0]
-        obj.xid = reader.read('!L')[0]
-        _stats_type = reader.read('!H')[0]
+        _version = reader.read("!B")[0]
+        assert(_version == 4)
+        _type = reader.read("!B")[0]
+        assert(_type == 18)
+        _length = reader.read("!H")[0]
+        obj.xid = reader.read("!L")[0]
+        _stats_type = reader.read("!H")[0]
         assert(_stats_type == 3)
-        obj.flags = reader.read('!H')[0]
+        obj.flags = reader.read("!H")[0]
         reader.skip(4)
         return obj
 
@@ -6716,36 +7608,36 @@
         raise loxi.ProtocolError("unexpected experimenter %#x subtype %#x" % (experimenter, subtype))
 
 parsers = {
-    const.OFPT_BARRIER_REPLY : barrier_reply.unpack,
-    const.OFPT_BARRIER_REQUEST : barrier_request.unpack,
-    const.OFPT_ECHO_REPLY : echo_reply.unpack,
-    const.OFPT_ECHO_REQUEST : echo_request.unpack,
-    const.OFPT_ERROR : error_msg.unpack,
-    const.OFPT_EXPERIMENTER : parse_experimenter,
-    const.OFPT_FEATURES_REPLY : features_reply.unpack,
-    const.OFPT_FEATURES_REQUEST : features_request.unpack,
-    const.OFPT_FLOW_MOD : parse_flow_mod,
-    const.OFPT_FLOW_REMOVED : flow_removed.unpack,
-    const.OFPT_GET_ASYNC_REPLY : async_get_reply.unpack,
-    const.OFPT_GET_ASYNC_REQUEST : async_get_request.unpack,
-    const.OFPT_GET_CONFIG_REPLY : get_config_reply.unpack,
-    const.OFPT_GET_CONFIG_REQUEST : get_config_request.unpack,
-    const.OFPT_GROUP_MOD : group_mod.unpack,
     const.OFPT_HELLO : hello.unpack,
-    const.OFPT_METER_MOD : meter_mod.unpack,
-    const.OFPT_MULTIPART_REPLY : parse_multipart_reply,
-    const.OFPT_MULTIPART_REQUEST : parse_multipart_request,
-    const.OFPT_PACKET_IN : packet_in.unpack,
-    const.OFPT_PACKET_OUT : packet_out.unpack,
-    const.OFPT_PORT_MOD : port_mod.unpack,
-    const.OFPT_PORT_STATUS : port_status.unpack,
-    const.OFPT_QUEUE_GET_CONFIG_REPLY : queue_get_config_reply.unpack,
-    const.OFPT_QUEUE_GET_CONFIG_REQUEST : queue_get_config_request.unpack,
-    const.OFPT_ROLE_REPLY : role_reply.unpack,
-    const.OFPT_ROLE_REQUEST : role_request.unpack,
-    const.OFPT_SET_ASYNC : async_set.unpack,
+    const.OFPT_ERROR : error_msg.unpack,
+    const.OFPT_ECHO_REQUEST : echo_request.unpack,
+    const.OFPT_ECHO_REPLY : echo_reply.unpack,
+    const.OFPT_EXPERIMENTER : parse_experimenter,
+    const.OFPT_FEATURES_REQUEST : features_request.unpack,
+    const.OFPT_FEATURES_REPLY : features_reply.unpack,
+    const.OFPT_GET_CONFIG_REQUEST : get_config_request.unpack,
+    const.OFPT_GET_CONFIG_REPLY : get_config_reply.unpack,
     const.OFPT_SET_CONFIG : set_config.unpack,
+    const.OFPT_PACKET_IN : packet_in.unpack,
+    const.OFPT_FLOW_REMOVED : flow_removed.unpack,
+    const.OFPT_PORT_STATUS : port_status.unpack,
+    const.OFPT_PACKET_OUT : packet_out.unpack,
+    const.OFPT_FLOW_MOD : parse_flow_mod,
+    const.OFPT_GROUP_MOD : group_mod.unpack,
+    const.OFPT_PORT_MOD : port_mod.unpack,
     const.OFPT_TABLE_MOD : table_mod.unpack,
+    const.OFPT_MULTIPART_REQUEST : parse_multipart_request,
+    const.OFPT_MULTIPART_REPLY : parse_multipart_reply,
+    const.OFPT_BARRIER_REQUEST : barrier_request.unpack,
+    const.OFPT_BARRIER_REPLY : barrier_reply.unpack,
+    const.OFPT_QUEUE_GET_CONFIG_REQUEST : queue_get_config_request.unpack,
+    const.OFPT_QUEUE_GET_CONFIG_REPLY : queue_get_config_reply.unpack,
+    const.OFPT_ROLE_REQUEST : role_request.unpack,
+    const.OFPT_ROLE_REPLY : role_reply.unpack,
+    const.OFPT_GET_ASYNC_REQUEST : async_get_request.unpack,
+    const.OFPT_GET_ASYNC_REPLY : async_get_reply.unpack,
+    const.OFPT_SET_ASYNC : async_set.unpack,
+    const.OFPT_METER_MOD : meter_mod.unpack,
 }
 
 flow_mod_parsers = {
@@ -6759,4 +7651,23 @@
 # TODO OF 1.3 multipart messages
 
 experimenter_parsers = {
+    6035143 : {
+        22: bsn_bw_clear_data_reply.unpack,
+        21: bsn_bw_clear_data_request.unpack,
+        20: bsn_bw_enable_get_reply.unpack,
+        19: bsn_bw_enable_get_request.unpack,
+        23: bsn_bw_enable_set_reply.unpack,
+        18: bsn_bw_enable_set_request.unpack,
+        10: bsn_get_interfaces_reply.unpack,
+        9: bsn_get_interfaces_request.unpack,
+        5: bsn_get_mirroring_reply.unpack,
+        4: bsn_get_mirroring_request.unpack,
+        3: bsn_set_mirroring.unpack,
+        25: bsn_set_pktin_suppression_reply.unpack,
+        11: bsn_set_pktin_suppression_request.unpack,
+        16: bsn_virtual_port_create_reply.unpack,
+        15: bsn_virtual_port_create_request.unpack,
+        26: bsn_virtual_port_remove_reply.unpack,
+        17: bsn_virtual_port_remove_request.unpack,
+    },
 }