VOL-1097 : Ofagent integration for voltha 2.0

- Created a common location for python based components
- Adjusted the ofagent component to interact with voltha 2.0
- Added streaming rpc methods for rcv/send of packets to voltha api
- Adjusted voltha.proto

Change-Id: I47fb7b80878ead060b4b42bd16cb4f8aa384fdb6
diff --git a/python/ofagent/loxi/of14/action.py b/python/ofagent/loxi/of14/action.py
new file mode 100644
index 0000000..d03b05d
--- /dev/null
+++ b/python/ofagent/loxi/of14/action.py
@@ -0,0 +1,1298 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior University
+# Copyright (c) 2011, 2012 Open Networking Foundation
+# Copyright (c) 2012, 2013 Big Switch Networks, Inc.
+# See the file LICENSE.pyloxi which should have been included in the source distribution
+
+# Automatically generated by LOXI from template module.py
+# Do not modify
+
+import struct
+import loxi
+import util
+import loxi.generic_util
+
+import sys
+ofp = sys.modules['loxi.of14']
+
+class action(loxi.OFObject):
+    subtypes = {}
+
+
+    def __init__(self, type=None):
+        if type != None:
+            self.type = type
+        else:
+            self.type = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!H', 0)
+        subclass = action.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = action()
+        obj.type = reader.read("!H")[0]
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.type != other.type: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("action {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+            q.breakable()
+        q.text('}')
+
+
+class experimenter(action):
+    subtypes = {}
+
+    type = 65535
+
+    def __init__(self, experimenter=None, data=None):
+        if experimenter != None:
+            self.experimenter = experimenter
+        else:
+            self.experimenter = 0
+        if data != None:
+            self.data = data
+        else:
+            self.data = ''
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(self.data)
+        length = sum([len(x) for x in packed])
+        packed.append(loxi.generic_util.pad_to(8, length))
+        length += len(packed[-1])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!L', 4)
+        subclass = experimenter.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = experimenter()
+        _type = reader.read("!H")[0]
+        assert(_type == 65535)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        obj.experimenter = reader.read("!L")[0]
+        obj.data = str(reader.read_all())
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.experimenter != other.experimenter: return False
+        if self.data != other.data: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("experimenter {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("data = ");
+                q.pp(self.data)
+            q.breakable()
+        q.text('}')
+
+action.subtypes[65535] = experimenter
+
+class bsn(experimenter):
+    subtypes = {}
+
+    type = 65535
+    experimenter = 6035143
+
+    def __init__(self, subtype=None):
+        if subtype != None:
+            self.subtype = subtype
+        else:
+            self.subtype = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!L', 8)
+        subclass = bsn.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = bsn()
+        _type = reader.read("!H")[0]
+        assert(_type == 65535)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        obj.subtype = reader.read("!L")[0]
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.subtype != other.subtype: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+            q.breakable()
+        q.text('}')
+
+experimenter.subtypes[6035143] = bsn
+
+class bsn_checksum(bsn):
+    type = 65535
+    experimenter = 6035143
+    subtype = 4
+
+    def __init__(self, checksum=None):
+        if checksum != None:
+            self.checksum = checksum
+        else:
+            self.checksum = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(util.pack_checksum_128(self.checksum))
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_checksum()
+        _type = reader.read("!H")[0]
+        assert(_type == 65535)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 4)
+        obj.checksum = util.unpack_checksum_128(reader)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.checksum != other.checksum: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_checksum {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("checksum = ");
+                q.pp(self.checksum)
+            q.breakable()
+        q.text('}')
+
+bsn.subtypes[4] = bsn_checksum
+
+class bsn_gentable(bsn):
+    type = 65535
+    experimenter = 6035143
+    subtype = 5
+
+    def __init__(self, table_id=None, key=None):
+        if table_id != None:
+            self.table_id = table_id
+        else:
+            self.table_id = 0
+        if key != None:
+            self.key = key
+        else:
+            self.key = []
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.table_id))
+        packed.append(loxi.generic_util.pack_list(self.key))
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_gentable()
+        _type = reader.read("!H")[0]
+        assert(_type == 65535)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 5)
+        obj.table_id = reader.read("!L")[0]
+        obj.key = loxi.generic_util.unpack_list(reader, ofp.bsn_tlv.bsn_tlv.unpack)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.table_id != other.table_id: return False
+        if self.key != other.key: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_gentable {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("table_id = ");
+                q.text("%#x" % self.table_id)
+                q.text(","); q.breakable()
+                q.text("key = ");
+                q.pp(self.key)
+            q.breakable()
+        q.text('}')
+
+bsn.subtypes[5] = bsn_gentable
+
+class bsn_mirror(bsn):
+    type = 65535
+    experimenter = 6035143
+    subtype = 1
+
+    def __init__(self, dest_port=None, vlan_tag=None, copy_stage=None):
+        if dest_port != None:
+            self.dest_port = dest_port
+        else:
+            self.dest_port = 0
+        if vlan_tag != None:
+            self.vlan_tag = vlan_tag
+        else:
+            self.vlan_tag = 0
+        if copy_stage != None:
+            self.copy_stage = copy_stage
+        else:
+            self.copy_stage = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.dest_port))
+        packed.append(struct.pack("!L", self.vlan_tag))
+        packed.append(struct.pack("!B", self.copy_stage))
+        packed.append('\x00' * 3)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_mirror()
+        _type = reader.read("!H")[0]
+        assert(_type == 65535)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 1)
+        obj.dest_port = reader.read("!L")[0]
+        obj.vlan_tag = reader.read("!L")[0]
+        obj.copy_stage = reader.read("!B")[0]
+        reader.skip(3)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.dest_port != other.dest_port: return False
+        if self.vlan_tag != other.vlan_tag: return False
+        if self.copy_stage != other.copy_stage: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_mirror {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("dest_port = ");
+                q.text("%#x" % self.dest_port)
+                q.text(","); q.breakable()
+                q.text("vlan_tag = ");
+                q.text("%#x" % self.vlan_tag)
+                q.text(","); q.breakable()
+                q.text("copy_stage = ");
+                q.text("%#x" % self.copy_stage)
+            q.breakable()
+        q.text('}')
+
+bsn.subtypes[1] = bsn_mirror
+
+class bsn_set_tunnel_dst(bsn):
+    type = 65535
+    experimenter = 6035143
+    subtype = 2
+
+    def __init__(self, dst=None):
+        if dst != None:
+            self.dst = dst
+        else:
+            self.dst = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!L", self.subtype))
+        packed.append(struct.pack("!L", self.dst))
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = bsn_set_tunnel_dst()
+        _type = reader.read("!H")[0]
+        assert(_type == 65535)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 6035143)
+        _subtype = reader.read("!L")[0]
+        assert(_subtype == 2)
+        obj.dst = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.dst != other.dst: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("bsn_set_tunnel_dst {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("dst = ");
+                q.text("%#x" % self.dst)
+            q.breakable()
+        q.text('}')
+
+bsn.subtypes[2] = bsn_set_tunnel_dst
+
+class copy_ttl_in(action):
+    type = 12
+
+    def __init__(self):
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = copy_ttl_in()
+        _type = reader.read("!H")[0]
+        assert(_type == 12)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("copy_ttl_in {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+            q.breakable()
+        q.text('}')
+
+action.subtypes[12] = copy_ttl_in
+
+class copy_ttl_out(action):
+    type = 11
+
+    def __init__(self):
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = copy_ttl_out()
+        _type = reader.read("!H")[0]
+        assert(_type == 11)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("copy_ttl_out {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+            q.breakable()
+        q.text('}')
+
+action.subtypes[11] = copy_ttl_out
+
+class dec_mpls_ttl(action):
+    type = 16
+
+    def __init__(self):
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = dec_mpls_ttl()
+        _type = reader.read("!H")[0]
+        assert(_type == 16)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("dec_mpls_ttl {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+            q.breakable()
+        q.text('}')
+
+action.subtypes[16] = dec_mpls_ttl
+
+class dec_nw_ttl(action):
+    type = 24
+
+    def __init__(self):
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = dec_nw_ttl()
+        _type = reader.read("!H")[0]
+        assert(_type == 24)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("dec_nw_ttl {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+            q.breakable()
+        q.text('}')
+
+action.subtypes[24] = dec_nw_ttl
+
+class group(action):
+    type = 22
+
+    def __init__(self, group_id=None):
+        if group_id != None:
+            self.group_id = group_id
+        else:
+            self.group_id = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!L", self.group_id))
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = group()
+        _type = reader.read("!H")[0]
+        assert(_type == 22)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        obj.group_id = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.group_id != other.group_id: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("group {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("group_id = ");
+                q.text("%#x" % self.group_id)
+            q.breakable()
+        q.text('}')
+
+action.subtypes[22] = group
+
+class nicira(experimenter):
+    subtypes = {}
+
+    type = 65535
+    experimenter = 8992
+
+    def __init__(self, subtype=None):
+        if subtype != None:
+            self.subtype = subtype
+        else:
+            self.subtype = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!H", self.subtype))
+        packed.append('\x00' * 2)
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        subtype, = reader.peek('!H', 8)
+        subclass = nicira.subtypes.get(subtype)
+        if subclass:
+            return subclass.unpack(reader)
+
+        obj = nicira()
+        _type = reader.read("!H")[0]
+        assert(_type == 65535)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 8992)
+        obj.subtype = reader.read("!H")[0]
+        reader.skip(2)
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.subtype != other.subtype: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("nicira {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+            q.breakable()
+        q.text('}')
+
+experimenter.subtypes[8992] = nicira
+
+class nicira_dec_ttl(nicira):
+    type = 65535
+    experimenter = 8992
+    subtype = 18
+
+    def __init__(self):
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!L", self.experimenter))
+        packed.append(struct.pack("!H", self.subtype))
+        packed.append('\x00' * 2)
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = nicira_dec_ttl()
+        _type = reader.read("!H")[0]
+        assert(_type == 65535)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        _experimenter = reader.read("!L")[0]
+        assert(_experimenter == 8992)
+        _subtype = reader.read("!H")[0]
+        assert(_subtype == 18)
+        reader.skip(2)
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("nicira_dec_ttl {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+            q.breakable()
+        q.text('}')
+
+nicira.subtypes[18] = nicira_dec_ttl
+
+class output(action):
+    type = 0
+
+    def __init__(self, port=None, max_len=None):
+        if port != None:
+            self.port = port
+        else:
+            self.port = 0
+        if max_len != None:
+            self.max_len = max_len
+        else:
+            self.max_len = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(util.pack_port_no(self.port))
+        packed.append(struct.pack("!H", self.max_len))
+        packed.append('\x00' * 6)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = output()
+        _type = reader.read("!H")[0]
+        assert(_type == 0)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        obj.port = util.unpack_port_no(reader)
+        obj.max_len = reader.read("!H")[0]
+        reader.skip(6)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.port != other.port: return False
+        if self.max_len != other.max_len: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("output {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("port = ");
+                q.text(util.pretty_port(self.port))
+                q.text(","); q.breakable()
+                q.text("max_len = ");
+                q.text("%#x" % self.max_len)
+            q.breakable()
+        q.text('}')
+
+action.subtypes[0] = output
+
+class pop_mpls(action):
+    type = 20
+
+    def __init__(self, ethertype=None):
+        if ethertype != None:
+            self.ethertype = ethertype
+        else:
+            self.ethertype = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!H", self.ethertype))
+        packed.append('\x00' * 2)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = pop_mpls()
+        _type = reader.read("!H")[0]
+        assert(_type == 20)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        obj.ethertype = reader.read("!H")[0]
+        reader.skip(2)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.ethertype != other.ethertype: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("pop_mpls {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("ethertype = ");
+                q.text("%#x" % self.ethertype)
+            q.breakable()
+        q.text('}')
+
+action.subtypes[20] = pop_mpls
+
+class pop_pbb(action):
+    type = 27
+
+    def __init__(self):
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = pop_pbb()
+        _type = reader.read("!H")[0]
+        assert(_type == 27)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("pop_pbb {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+            q.breakable()
+        q.text('}')
+
+action.subtypes[27] = pop_pbb
+
+class pop_vlan(action):
+    type = 18
+
+    def __init__(self):
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append('\x00' * 4)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = pop_vlan()
+        _type = reader.read("!H")[0]
+        assert(_type == 18)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        reader.skip(4)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("pop_vlan {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+            q.breakable()
+        q.text('}')
+
+action.subtypes[18] = pop_vlan
+
+class push_mpls(action):
+    type = 19
+
+    def __init__(self, ethertype=None):
+        if ethertype != None:
+            self.ethertype = ethertype
+        else:
+            self.ethertype = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!H", self.ethertype))
+        packed.append('\x00' * 2)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = push_mpls()
+        _type = reader.read("!H")[0]
+        assert(_type == 19)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        obj.ethertype = reader.read("!H")[0]
+        reader.skip(2)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.ethertype != other.ethertype: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("push_mpls {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("ethertype = ");
+                q.text("%#x" % self.ethertype)
+            q.breakable()
+        q.text('}')
+
+action.subtypes[19] = push_mpls
+
+class push_pbb(action):
+    type = 26
+
+    def __init__(self, ethertype=None):
+        if ethertype != None:
+            self.ethertype = ethertype
+        else:
+            self.ethertype = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!H", self.ethertype))
+        packed.append('\x00' * 2)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = push_pbb()
+        _type = reader.read("!H")[0]
+        assert(_type == 26)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        obj.ethertype = reader.read("!H")[0]
+        reader.skip(2)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.ethertype != other.ethertype: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("push_pbb {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("ethertype = ");
+                q.text("%#x" % self.ethertype)
+            q.breakable()
+        q.text('}')
+
+action.subtypes[26] = push_pbb
+
+class push_vlan(action):
+    type = 17
+
+    def __init__(self, ethertype=None):
+        if ethertype != None:
+            self.ethertype = ethertype
+        else:
+            self.ethertype = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!H", self.ethertype))
+        packed.append('\x00' * 2)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = push_vlan()
+        _type = reader.read("!H")[0]
+        assert(_type == 17)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        obj.ethertype = reader.read("!H")[0]
+        reader.skip(2)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.ethertype != other.ethertype: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("push_vlan {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("ethertype = ");
+                q.text("%#x" % self.ethertype)
+            q.breakable()
+        q.text('}')
+
+action.subtypes[17] = push_vlan
+
+class set_field(action):
+    type = 25
+
+    def __init__(self, field=None):
+        if field != None:
+            self.field = field
+        else:
+            self.field = None
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(self.field.pack())
+        length = sum([len(x) for x in packed])
+        packed.append(loxi.generic_util.pad_to(8, length))
+        length += len(packed[-1])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = set_field()
+        _type = reader.read("!H")[0]
+        assert(_type == 25)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        obj.field = ofp.oxm.oxm.unpack(reader)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.field != other.field: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("set_field {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("field = ");
+                q.pp(self.field)
+            q.breakable()
+        q.text('}')
+
+action.subtypes[25] = set_field
+
+class set_mpls_ttl(action):
+    type = 15
+
+    def __init__(self, mpls_ttl=None):
+        if mpls_ttl != None:
+            self.mpls_ttl = mpls_ttl
+        else:
+            self.mpls_ttl = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!B", self.mpls_ttl))
+        packed.append('\x00' * 3)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = set_mpls_ttl()
+        _type = reader.read("!H")[0]
+        assert(_type == 15)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        obj.mpls_ttl = reader.read("!B")[0]
+        reader.skip(3)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.mpls_ttl != other.mpls_ttl: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("set_mpls_ttl {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("mpls_ttl = ");
+                q.text("%#x" % self.mpls_ttl)
+            q.breakable()
+        q.text('}')
+
+action.subtypes[15] = set_mpls_ttl
+
+class set_nw_ttl(action):
+    type = 23
+
+    def __init__(self, nw_ttl=None):
+        if nw_ttl != None:
+            self.nw_ttl = nw_ttl
+        else:
+            self.nw_ttl = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!B", self.nw_ttl))
+        packed.append('\x00' * 3)
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = set_nw_ttl()
+        _type = reader.read("!H")[0]
+        assert(_type == 23)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        obj.nw_ttl = reader.read("!B")[0]
+        reader.skip(3)
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.nw_ttl != other.nw_ttl: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("set_nw_ttl {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("nw_ttl = ");
+                q.text("%#x" % self.nw_ttl)
+            q.breakable()
+        q.text('}')
+
+action.subtypes[23] = set_nw_ttl
+
+class set_queue(action):
+    type = 21
+
+    def __init__(self, queue_id=None):
+        if queue_id != None:
+            self.queue_id = queue_id
+        else:
+            self.queue_id = 0
+        return
+
+    def pack(self):
+        packed = []
+        packed.append(struct.pack("!H", self.type))
+        packed.append(struct.pack("!H", 0)) # placeholder for len at index 1
+        packed.append(struct.pack("!L", self.queue_id))
+        length = sum([len(x) for x in packed])
+        packed[1] = struct.pack("!H", length)
+        return ''.join(packed)
+
+    @staticmethod
+    def unpack(reader):
+        obj = set_queue()
+        _type = reader.read("!H")[0]
+        assert(_type == 21)
+        _len = reader.read("!H")[0]
+        orig_reader = reader
+        reader = orig_reader.slice(_len, 4)
+        obj.queue_id = reader.read("!L")[0]
+        return obj
+
+    def __eq__(self, other):
+        if type(self) != type(other): return False
+        if self.queue_id != other.queue_id: return False
+        return True
+
+    def pretty_print(self, q):
+        q.text("set_queue {")
+        with q.group():
+            with q.indent(2):
+                q.breakable()
+                q.text("queue_id = ");
+                q.text("%#x" % self.queue_id)
+            q.breakable()
+        q.text('}')
+
+action.subtypes[21] = set_queue
+
+