--- /dev/null
+# Copyright (C) 2012,2013 Nippon Telegraph and Telephone Corporation.
+# Copyright (C) 2012 Isaku Yamahata <yamahata at valinux co jp>
+#
+# 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.
+
+"""
+OpenFlow 1.5 definitions.
+"""
+
+from ryu.lib import type_desc
+from ryu.ofproto import nicira_ext
+from ryu.ofproto import ofproto_utils
+from ryu.ofproto import oxm_fields
+from ryu.ofproto import oxs_fields
+
+from struct import calcsize
+
+
+# enum ofp_port_no
+# Port numbering. Ports are numbered starting from 1.
+OFPP_MAX = 0xffffff00 # Maximum number of physical and logical
+ # switch ports.
+OFPP_UNSET = 0xfffffff7 # Output port not set in action-set.
+ # used only in OXM_OF_ACTSET_OUTPUT.
+OFPP_IN_PORT = 0xfffffff8 # Send the packet out the input port. This
+ # reserved port must be explicitly used in
+ # order to send back out of the input port.
+OFPP_TABLE = 0xfffffff9 # Submit the packet to the first flow table
+ # NB: This destination port can only be used
+ # in packet-out messages.
+OFPP_NORMAL = 0xfffffffa # Forward using non-OpenFlow pipeline.
+OFPP_FLOOD = 0xfffffffb # Flood using non-OpenFlow pipeline.
+OFPP_ALL = 0xfffffffc # All standard ports except input port.
+OFPP_CONTROLLER = 0xfffffffd # Send to controller.
+OFPP_LOCAL = 0xfffffffe # Local openflow "port".
+OFPP_ANY = 0xffffffff # Special value used in some requests when
+ # no port is specified (i.e. wildcarded).
+
+
+# enum ofp_type
+# Immutable messages.
+OFPT_HELLO = 0 # Symmetric message
+OFPT_ERROR = 1 # Symmetric message
+OFPT_ECHO_REQUEST = 2 # Symmetric message
+OFPT_ECHO_REPLY = 3 # Symmetric message
+OFPT_EXPERIMENTER = 4 # Symmetric message
+# Switch configuration messages.
+OFPT_FEATURES_REQUEST = 5 # Controller/switch message
+OFPT_FEATURES_REPLY = 6 # Controller/switch message
+OFPT_GET_CONFIG_REQUEST = 7 # Controller/switch message
+OFPT_GET_CONFIG_REPLY = 8 # Controller/switch message
+OFPT_SET_CONFIG = 9 # Controller/switch message
+# Asynchronous messages.
+OFPT_PACKET_IN = 10 # Async message
+OFPT_FLOW_REMOVED = 11 # Async message
+OFPT_PORT_STATUS = 12 # Async message
+# Controller command messages.
+OFPT_PACKET_OUT = 13 # Controller/switch message
+OFPT_FLOW_MOD = 14 # Controller/switch message
+OFPT_GROUP_MOD = 15 # Controller/switch message
+OFPT_PORT_MOD = 16 # Controller/switch message
+OFPT_TABLE_MOD = 17 # Controller/switch message
+# Multipart messages.
+OFPT_MULTIPART_REQUEST = 18 # Controller/switch message
+OFPT_MULTIPART_REPLY = 19 # Controller/switch message
+# Barrier messages.
+OFPT_BARRIER_REQUEST = 20 # Controller/switch message
+OFPT_BARRIER_REPLY = 21 # Controller/switch message
+# Controller role change request messages.
+OFPT_ROLE_REQUEST = 24 # Controller/switch message
+OFPT_ROLE_REPLY = 25 # Controller/switch message
+# Asynchronous message configuration.
+OFPT_GET_ASYNC_REQUEST = 26 # Controller/switch message
+OFPT_GET_ASYNC_REPLY = 27 # Controller/switch message
+OFPT_SET_ASYNC = 28 # Controller/switch message
+# Meters and rate limiters configuration messages.
+OFPT_METER_MOD = 29 # Controller/switch message
+# Controller role change event messages.
+OFPT_ROLE_STATUS = 30 # Async message
+# Asynchronous messages.
+OFPT_TABLE_STATUS = 31 # Async message
+# Request forwarding by the switch.
+OFPT_REQUESTFORWARD = 32 # Async message
+# Bundle operations (multiple messages as a single operation).
+OFPT_BUNDLE_CONTROL = 33 # Controller/switch message
+OFPT_BUNDLE_ADD_MESSAGE = 34 # Controller/switch message
+# Controller Status async message.
+OFPT_CONTROLLER_STATUS = 35 # Async message
+
+_OFP_HEADER_PACK_STR = 'BBHI'
+OFP_HEADER_PACK_STR = '!' + _OFP_HEADER_PACK_STR
+OFP_HEADER_SIZE = 8
+
+
+# struct ofp_hello
+OFP_HELLO_HEADER_SIZE = 8
+
+# struct ofp_hello_elem_header
+OFP_HELLO_ELEM_HEADER_PACK_STR = '!HH'
+OFP_HELLO_ELEM_HEADER_SIZE = 4
+assert (calcsize(OFP_HELLO_ELEM_HEADER_PACK_STR) == OFP_HELLO_ELEM_HEADER_SIZE)
+
+# enum ofp_hello_elem_type
+
+OFPHET_VERSIONBITMAP = 1
+
+# struct ofp_hello_elem_versionbitmap
+OFP_HELLO_ELEM_VERSIONBITMAP_HEADER_PACK_STR = '!HH'
+OFP_HELLO_ELEM_VERSIONBITMAP_HEADER_SIZE = 4
+assert (calcsize(OFP_HELLO_ELEM_VERSIONBITMAP_HEADER_PACK_STR) ==
+ OFP_HELLO_ELEM_VERSIONBITMAP_HEADER_SIZE)
+
+
+OFP_DEFAULT_MISS_SEND_LEN = 128
+
+# enum ofp_config_flags
+# Handling of IP fragments.
+OFPC_FRAG_NORMAL = 0 # No special handling for fragments.
+OFPC_FRAG_DROP = 1 << 0 # Drop fragments.
+OFPC_FRAG_REASM = 1 << 1 # Reassemble (only if OFPC_IP_REASM set).
+OFPC_FRAG_MASK = 3
+
+# struct ofp_switch_config
+OFP_SWITCH_CONFIG_PACK_STR = '!HH'
+OFP_SWITCH_CONFIG_SIZE = 12
+assert (calcsize(OFP_SWITCH_CONFIG_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_SWITCH_CONFIG_SIZE)
+
+
+# enum ofp_table
+OFPTT_MAX = 0xfe # Last usable table number.
+OFPTT_ALL = 0xff # Wildcard table used for table config, flow stats
+ # and flow deletes.
+
+
+# enum ofp_table_config
+OFPTC_DEPRECATED_MASK = 3 # Deprecated bits
+OFPTC_EVICTION = 1 << 2 # Authorise table to evict flows.
+OFPTC_VACANCY_EVENTS = 1 << 3 # Enable vacancy events.
+
+# enum ofp_table_mod_prop_type
+OFPTMPT_EVICTION = 0x2 # Eviction property.
+OFPTMPT_VACANCY = 0x3 # Vacancy property.
+OFPTMPT_EXPERIMENTER = 0xFFFF # Experimenter property.
+
+# enum ofp_table_mod_prop_eviction_flag
+OFPTMPEF_OTHER = 1 << 0 # Using other factors.
+OFPTMPEF_IMPORTANCE = 1 << 1 # Using flow entry importance.
+OFPTMPEF_LIFETIME = 1 << 2 # Using flow entry lifetime.
+
+# struct ofp_table_mod_prop_eviction
+OFP_TABLE_MOD_PROP_EVICTION_PACK_STR = '!HHI'
+OFP_TABLE_MOD_PROP_EVICTION_SIZE = 8
+assert(calcsize(OFP_TABLE_MOD_PROP_EVICTION_PACK_STR) ==
+ OFP_TABLE_MOD_PROP_EVICTION_SIZE)
+
+# struct ofp_table_mod_prop_vacancy
+OFP_TABLE_MOD_PROP_VACANCY_PACK_STR = '!HHBBBx'
+OFP_TABLE_MOD_PROP_VACANCY_SIZE = 8
+assert(calcsize(OFP_TABLE_MOD_PROP_VACANCY_PACK_STR) ==
+ OFP_TABLE_MOD_PROP_VACANCY_SIZE)
+
+# struct ofp_table_mod_prop_experimenter
+OFP_TABLE_MOD_PROP_EXPERIMENTER_PACK_STR = '!HHII'
+OFP_TABLE_MOD_PROP_EXPERIMENTER_SIZE = 12
+assert(calcsize(OFP_TABLE_MOD_PROP_EXPERIMENTER_PACK_STR) ==
+ OFP_TABLE_MOD_PROP_EXPERIMENTER_SIZE)
+
+# struct ofp_table_mod
+OFP_TABLE_MOD_PACK_STR = '!B3xI'
+OFP_TABLE_MOD_SIZE = 16
+assert (calcsize(OFP_TABLE_MOD_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_TABLE_MOD_SIZE)
+
+# enum ofp_capabilities
+OFPC_FLOW_STATS = 1 << 0 # Flow statistics.
+OFPC_TABLE_STATS = 1 << 1 # Table statistics.
+OFPC_PORT_STATS = 1 << 2 # Port statistics.
+OFPC_GROUP_STATS = 1 << 3 # Group statistics.
+OFPC_IP_REASM = 1 << 5 # Can reassemble IP fragments.
+OFPC_QUEUE_STATS = 1 << 6 # Queue statistics.
+OFPC_PORT_BLOCKED = 1 << 8 # Switch will block looping ports.
+OFPC_BUNDLES = 1 << 9 # Switch supports bundles.
+OFPC_FLOW_MONITORING = 1 << 10 # Switch supports flow monitoring.
+
+# enum ofp_port_config
+OFPPC_PORT_DOWN = 1 << 0 # Port is administratively down.
+OFPPC_NO_RECV = 1 << 2 # Drop all packets recieved by port.
+OFPPC_NO_FWD = 1 << 5 # Drop packets forwarded to port.
+OFPPC_NO_PACKET_IN = 1 << 6 # Do not send packet-in msgs for port.
+
+# enum ofp_port_state
+OFPPS_LINK_DOWN = 1 << 0 # No physical link present.
+OFPPS_BLOCKED = 1 << 1 # Port is blocked
+OFPPS_LIVE = 1 << 2 # Live for Fast Failover Group.
+
+# enum ofp_port_features
+OFPPF_10MB_HD = 1 << 0 # 10 Mb half-duplex rate support.
+OFPPF_10MB_FD = 1 << 1 # 10 Mb full-duplex rate support.
+OFPPF_100MB_HD = 1 << 2 # 100 Mb half-duplex rate support.
+OFPPF_100MB_FD = 1 << 3 # 100 Mb full-duplex rate support.
+OFPPF_1GB_HD = 1 << 4 # 1 Gb half-duplex rate support.
+OFPPF_1GB_FD = 1 << 5 # 1 Gb full-duplex rate support.
+OFPPF_10GB_FD = 1 << 6 # 10 Gb full-duplex rate support.
+OFPPF_40GB_FD = 1 << 7 # 40 Gb full-duplex rate support.
+OFPPF_100GB_FD = 1 << 8 # 100 Gb full-duplex rate support.
+OFPPF_1TB_FD = 1 << 9 # 1 Tb full-duplex rate support.
+OFPPF_OTHER = 1 << 10 # Other rate, not in the list.
+OFPPF_COPPER = 1 << 11 # Copper medium.
+OFPPF_FIBER = 1 << 12 # Fiber medium.
+OFPPF_AUTONEG = 1 << 13 # Auto-negotiation.
+OFPPF_PAUSE = 1 << 14 # Pause.
+OFPPF_PAUSE_ASYM = 1 << 15 # Asymmetric pause.
+
+# enum ofp_port_desc_prop_type
+OFPPDPT_ETHERNET = 0 # Ethernet property.
+OFPPDPT_OPTICAL = 1 # Optical property.
+OFPPDPT_PIPELINE_INPUT = 2 # Ingress pipeline fields.
+OFPPDPT_PIPELINE_OUTPUT = 3 # Egress pipeline fields.
+OFPPDPT_RECIRCULATE = 4 # Recirculation property.
+OFPPDPT_EXPERIMENTER = 0xFFFF # Experimenter property.
+
+# struct ofp_port_desc_prop_ethernet
+OFP_PORT_DESC_PROP_ETHERNET_PACK_STR = '!HH4xIIIIII'
+OFP_PORT_DESC_PROP_ETHERNET_SIZE = 32
+assert (calcsize(OFP_PORT_DESC_PROP_ETHERNET_PACK_STR) ==
+ OFP_PORT_DESC_PROP_ETHERNET_SIZE)
+
+# enum ofp_optical_port_features
+OFPOPF_RX_TUNE = 1 << 0 # Receiver is tunable
+OFPOPF_TX_TUNE = 1 << 1 # Transmit is tunable
+OFPOPF_TX_PWR = 1 << 2 # Power is configurable
+OFPOPF_USE_FREQ = 1 << 3 # Use Frequency, not wavelength
+
+# struct ofp_port_desc_prop_optical
+OFP_PORT_DESC_PROP_OPTICAL_PACK_STR = '!HH4xIIIIIIIHH'
+OFP_PORT_DESC_PROP_OPTICAL_SIZE = 40
+assert (calcsize(OFP_PORT_DESC_PROP_OPTICAL_PACK_STR) ==
+ OFP_PORT_DESC_PROP_OPTICAL_SIZE)
+
+# struct ofp_port_desc_prop_oxm
+OFP_PORT_DESC_PROP_OXM_PACK_STR = '!HH'
+OFP_PORT_DESC_PROP_OXM_SIZE = 4
+assert (calcsize(OFP_PORT_DESC_PROP_OXM_PACK_STR) ==
+ OFP_PORT_DESC_PROP_OXM_SIZE)
+
+# struct ofp_port_desc_prop_recirculate
+OFP_PORT_DESC_PROP_RECIRCULATE_PACK_STR = '!HH'
+OFP_PORT_DESC_PROP_RECIRCULATE_SIZE = 4
+assert (calcsize(OFP_PORT_DESC_PROP_RECIRCULATE_PACK_STR) ==
+ OFP_PORT_DESC_PROP_RECIRCULATE_SIZE)
+
+# struct ofp_port_desc_prop_experimenter
+OFP_PORT_DESC_PROP_EXPERIMENTER_PACK_STR = '!HHII'
+OFP_PORT_DESC_PROP_EXPERIMENTER_SIZE = 12
+assert (calcsize(OFP_PORT_DESC_PROP_EXPERIMENTER_PACK_STR) ==
+ OFP_PORT_DESC_PROP_EXPERIMENTER_SIZE)
+
+# struct ofp_port
+OFP_MAX_PORT_NAME_LEN = 16
+OFP_ETH_ALEN = 6
+OFP_ETH_ALEN_STR = str(OFP_ETH_ALEN)
+_OFP_PORT_PACK_STR = 'IH2x' + OFP_ETH_ALEN_STR + 's' + '2x' + \
+ str(OFP_MAX_PORT_NAME_LEN) + 's' + 'II'
+OFP_PORT_PACK_STR = '!' + _OFP_PORT_PACK_STR
+OFP_PORT_SIZE = 40
+assert (calcsize(OFP_PORT_PACK_STR) == OFP_PORT_SIZE)
+
+# struct ofp_switch_features
+OFP_SWITCH_FEATURES_PACK_STR = '!QIBB2xII'
+OFP_SWITCH_FEATURES_SIZE = 32
+assert (calcsize(OFP_SWITCH_FEATURES_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_SWITCH_FEATURES_SIZE)
+
+# enum ofp_port_reason
+OFPPR_ADD = 0 # The port was added.
+OFPPR_DELETE = 1 # The port was removed.
+OFPPR_MODIFY = 2 # Some attribute of the port has changed.
+
+# struct ofp_port_status
+OFP_PORT_STATUS_PACK_STR = '!B7x' + _OFP_PORT_PACK_STR
+OFP_PORT_STATUS_SIZE = 56
+assert (calcsize(OFP_PORT_STATUS_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_PORT_STATUS_SIZE)
+
+# enum ofp_port_mod_prop_type
+OFPPMPT_ETHERNET = 0 # Ethernet property.
+OFPPMPT_OPTICAL = 1 # Optical property.
+OFPPMPT_EXPERIMENTER = 0xFFFF # Experimenter property.
+
+# struct ofp_port_mod_prop_ethernet
+OFP_PORT_MOD_PROP_ETHERNET_PACK_STR = '!HHI'
+OFP_PORT_MOD_PROP_ETHERNET_SIZE = 8
+assert (calcsize(OFP_PORT_MOD_PROP_ETHERNET_PACK_STR) ==
+ OFP_PORT_MOD_PROP_ETHERNET_SIZE)
+
+# struct ofp_port_mod_prop_optical
+OFP_PORT_MOD_PROP_OPTICAL_PACK_STR = '!HHIIIII'
+OFP_PORT_MOD_PROP_OPTICAL_SIZE = 24
+assert (calcsize(OFP_PORT_MOD_PROP_OPTICAL_PACK_STR) ==
+ OFP_PORT_MOD_PROP_OPTICAL_SIZE)
+
+# struct ofp_port_mod_prop_experimenter
+OFP_PORT_MOD_PROP_EXPERIMENTER_PACK_STR = '!HHII'
+OFP_PORT_MOD_PROP_EXPERIMENTER_SIZE = 12
+assert (calcsize(OFP_PORT_MOD_PROP_EXPERIMENTER_PACK_STR) ==
+ OFP_PORT_MOD_PROP_EXPERIMENTER_SIZE)
+
+# struct ofp_port_mod
+OFP_PORT_MOD_PACK_STR = '!I4x' + OFP_ETH_ALEN_STR + 's2xII'
+OFP_PORT_MOD_SIZE = 32
+assert (calcsize(OFP_PORT_MOD_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_PORT_MOD_SIZE)
+
+# enum ofp_header_type_namespaces
+OFPHTN_ONF = 0 # ONF namespace.
+OFPHTN_ETHERTYPE = 1 # ns_type is an Ethertype.
+OFPHTN_IP_PROTO = 2 # ns_type is a IP protocol number.
+OFPHTN_UDP_TCP_PORT = 3 # ns_type is a TCP or UDP port.
+OFPHTN_IPV4_OPTION = 4 # ns_type is an IPv4 option number.
+
+# enum ofp_header_type_onf
+OFPHTO_ETHERNET = 0 # Ethernet (DIX or IEEE 802.3) - default.
+OFPHTO_NO_HEADER = 1 # No header, ex. circuit switch.
+OFPHTO_OXM_EXPERIMENTER = 0xFFFF # Use Experimenter OXM.
+
+# struct ofp_header_type
+OFP_HEADER_TYPE_PACK_STR = '!HH'
+OFP_HEADER_TYPE_SIZE = 4
+assert (calcsize(OFP_HEADER_TYPE_PACK_STR) ==
+ OFP_HEADER_TYPE_SIZE)
+
+# enum ofp_match_type
+OFPMT_STANDARD = 0 # Deprecated
+OFPMT_OXM = 1 # OpenFlow Extensible Match
+
+# struct ofp_match
+_OFP_MATCH_PACK_STR = 'HH4x'
+OFP_MATCH_PACK_STR = '!' + _OFP_MATCH_PACK_STR
+OFP_MATCH_SIZE = 8
+assert calcsize(OFP_MATCH_PACK_STR) == OFP_MATCH_SIZE
+
+# enum ofp_oxm_class
+OFPXMC_NXM_0 = 0x0000 # Backward compatibility with NXM
+OFPXMC_NXM_1 = 0x0001 # Backward compatibility with NXM
+OFPXMC_OPENFLOW_BASIC = 0x8000 # Basic class for OpenFlow
+OFPXMC_PACKET_REGS = 0x8001 # Packet registers (pipeline fields).
+OFPXMC_EXPERIMENTER = 0xFFFF # Experimenter class
+
+# enum ofp_vlan_id
+OFPVID_PRESENT = 0x1000 # bit that indicate that a VLAN id is set.
+OFPVID_NONE = 0X0000 # No VLAN id was set.
+
+
+def _oxm_tlv_header(class_, field, hasmask, length):
+ return (class_ << 16) | (field << 9) | (hasmask << 8) | length
+
+
+def oxm_tlv_header(field, length):
+ return _oxm_tlv_header(OFPXMC_OPENFLOW_BASIC, field, 0, length)
+
+
+def oxm_tlv_header_w(field, length):
+ return _oxm_tlv_header(OFPXMC_OPENFLOW_BASIC, field, 1, length * 2)
+
+
+def oxm_tlv_header_extract_hasmask(header):
+ return (header >> 8) & 1
+
+
+def oxm_tlv_header_extract_length(header):
+ if oxm_tlv_header_extract_hasmask(header):
+ length = (header & 0xff) // 2
+ else:
+ length = header & 0xff
+ return length
+
+
+oxm_types = [
+ oxm_fields.OpenFlowBasic('in_port', 0, type_desc.Int4),
+ oxm_fields.OpenFlowBasic('in_phy_port', 1, type_desc.Int4),
+ oxm_fields.OpenFlowBasic('metadata', 2, type_desc.Int8),
+ oxm_fields.OpenFlowBasic('eth_dst', 3, type_desc.MacAddr),
+ oxm_fields.OpenFlowBasic('eth_src', 4, type_desc.MacAddr),
+ oxm_fields.OpenFlowBasic('eth_type', 5, type_desc.Int2),
+ oxm_fields.OpenFlowBasic('vlan_vid', 6, type_desc.Int2),
+ oxm_fields.OpenFlowBasic('vlan_pcp', 7, type_desc.Int1),
+ oxm_fields.OpenFlowBasic('ip_dscp', 8, type_desc.Int1),
+ oxm_fields.OpenFlowBasic('ip_ecn', 9, type_desc.Int1),
+ oxm_fields.OpenFlowBasic('ip_proto', 10, type_desc.Int1),
+ oxm_fields.OpenFlowBasic('ipv4_src', 11, type_desc.IPv4Addr),
+ oxm_fields.OpenFlowBasic('ipv4_dst', 12, type_desc.IPv4Addr),
+ oxm_fields.OpenFlowBasic('tcp_src', 13, type_desc.Int2),
+ oxm_fields.OpenFlowBasic('tcp_dst', 14, type_desc.Int2),
+ oxm_fields.OpenFlowBasic('udp_src', 15, type_desc.Int2),
+ oxm_fields.OpenFlowBasic('udp_dst', 16, type_desc.Int2),
+ oxm_fields.OpenFlowBasic('sctp_src', 17, type_desc.Int2),
+ oxm_fields.OpenFlowBasic('sctp_dst', 18, type_desc.Int2),
+ oxm_fields.OpenFlowBasic('icmpv4_type', 19, type_desc.Int1),
+ oxm_fields.OpenFlowBasic('icmpv4_code', 20, type_desc.Int1),
+ oxm_fields.OpenFlowBasic('arp_op', 21, type_desc.Int2),
+ oxm_fields.OpenFlowBasic('arp_spa', 22, type_desc.IPv4Addr),
+ oxm_fields.OpenFlowBasic('arp_tpa', 23, type_desc.IPv4Addr),
+ oxm_fields.OpenFlowBasic('arp_sha', 24, type_desc.MacAddr),
+ oxm_fields.OpenFlowBasic('arp_tha', 25, type_desc.MacAddr),
+ oxm_fields.OpenFlowBasic('ipv6_src', 26, type_desc.IPv6Addr),
+ oxm_fields.OpenFlowBasic('ipv6_dst', 27, type_desc.IPv6Addr),
+ oxm_fields.OpenFlowBasic('ipv6_flabel', 28, type_desc.Int4),
+ oxm_fields.OpenFlowBasic('icmpv6_type', 29, type_desc.Int1),
+ oxm_fields.OpenFlowBasic('icmpv6_code', 30, type_desc.Int1),
+ oxm_fields.OpenFlowBasic('ipv6_nd_target', 31, type_desc.IPv6Addr),
+ oxm_fields.OpenFlowBasic('ipv6_nd_sll', 32, type_desc.MacAddr),
+ oxm_fields.OpenFlowBasic('ipv6_nd_tll', 33, type_desc.MacAddr),
+ oxm_fields.OpenFlowBasic('mpls_label', 34, type_desc.Int4),
+ oxm_fields.OpenFlowBasic('mpls_tc', 35, type_desc.Int1),
+ oxm_fields.OpenFlowBasic('mpls_bos', 36, type_desc.Int1),
+ oxm_fields.OpenFlowBasic('pbb_isid', 37, type_desc.Int3),
+ oxm_fields.OpenFlowBasic('tunnel_id', 38, type_desc.Int8),
+ oxm_fields.OpenFlowBasic('ipv6_exthdr', 39, type_desc.Int2),
+ oxm_fields.OpenFlowBasic('pbb_uca', 41, type_desc.Int1),
+ oxm_fields.OpenFlowBasic('tcp_flags', 42, type_desc.Int2),
+ oxm_fields.OpenFlowBasic('actset_output', 43, type_desc.Int4),
+ oxm_fields.OpenFlowBasic('packet_type', 44, type_desc.Int4),
+] + nicira_ext.oxm_types
+
+oxm_fields.generate(__name__)
+
+# struct ofp_stats
+_OFP_STATS_PACK_STR = 'HH4x'
+OFP_STATS_PACK_STR = '!' + _OFP_STATS_PACK_STR
+OFP_STATS_SIZE = 8
+assert calcsize(OFP_STATS_PACK_STR) == OFP_STATS_SIZE
+
+# enum ofp_oxs_class
+OFPXSC_OPENFLOW_BASIC = 0x8002 # Basic stats class for OpenFlow
+OFPXSC_EXPERIMENTER = 0xFFFF # Experimenter class
+
+
+def _oxs_tlv_header(class_, field, reserved, length):
+ return (class_ << 16) | (field << 9) | (reserved << 8) | length
+
+
+def oxs_tlv_header(field, length):
+ return _oxs_tlv_header(OFPXSC_OPENFLOW_BASIC, field, 0, length)
+
+
+def oxs_tlv_header_extract_length(header):
+ return header & 0xff
+
+
+oxs_types = [
+ oxs_fields.OpenFlowBasic('duration', 0, type_desc.Int4Double),
+ oxs_fields.OpenFlowBasic('idle_time', 1, type_desc.Int4Double),
+ oxs_fields.OpenFlowBasic('flow_count', 3, type_desc.Int4),
+ oxs_fields.OpenFlowBasic('packet_count', 4, type_desc.Int8),
+ oxs_fields.OpenFlowBasic('byte_count', 5, type_desc.Int8),
+]
+
+oxs_fields.generate(__name__)
+
+# enum ofp_action_type
+OFPAT_OUTPUT = 0 # Output to switch port.
+OFPAT_COPY_TTL_OUT = 11 # Copy TTL "outwards" -- from
+ # next-to-outermost to outermost
+OFPAT_COPY_TTL_IN = 12 # Copy TTL "inwards" -- from outermost to
+ # next-to-outermost
+OFPAT_SET_MPLS_TTL = 15 # MPLS TTL.
+OFPAT_DEC_MPLS_TTL = 16 # Decrement MPLS TTL
+OFPAT_PUSH_VLAN = 17 # Push a new VLAN tag
+OFPAT_POP_VLAN = 18 # Pop the outer VLAN tag
+OFPAT_PUSH_MPLS = 19 # Push a new MPLS tag
+OFPAT_POP_MPLS = 20 # Pop the outer MPLS tag
+OFPAT_SET_QUEUE = 21 # Set queue id when outputting to a port
+OFPAT_GROUP = 22 # Apply group
+OFPAT_SET_NW_TTL = 23 # IP TTL.
+OFPAT_DEC_NW_TTL = 24 # Decrement IP TTL.
+OFPAT_SET_FIELD = 25 # Set a header field using OXM TLV format.
+OFPAT_PUSH_PBB = 26 # Push a new PBB service tag (I-TAG)
+OFPAT_POP_PBB = 27 # Pop the outer PBB service tag (I-TAG)
+OFPAT_COPY_FIELD = 28 # Copy value between header and register.
+OFPAT_METER = 29 # Apply meter (rate limiter)
+OFPAT_EXPERIMENTER = 0xffff
+
+
+# struct ofp_action_header
+OFP_ACTION_HEADER_PACK_STR = '!HH4x'
+OFP_ACTION_HEADER_SIZE = 8
+assert calcsize(OFP_ACTION_HEADER_PACK_STR) == OFP_ACTION_HEADER_SIZE
+
+# enum ofp_controller_max_len
+OFPCML_MAX = 0xffe5 # maximum max_len value which can be used to
+ # request a specific byte length.
+OFPCML_NO_BUFFER = 0xffff # indicates that no buffering should be
+ # applied and the whole packet is to be
+ # sent to the controller.
+
+# struct ofp_action_output
+OFP_ACTION_OUTPUT_PACK_STR = '!HHIH6x'
+OFP_ACTION_OUTPUT_SIZE = 16
+assert calcsize(OFP_ACTION_OUTPUT_PACK_STR) == OFP_ACTION_OUTPUT_SIZE
+
+# struct ofp_action_generic
+OFP_ACTION_GENERIC_PACK_STR = '!HH4x'
+OFP_ACTION_GENERIC_SIZE = 8
+assert (calcsize(OFP_ACTION_GENERIC_PACK_STR) == OFP_ACTION_GENERIC_SIZE)
+
+# struct ofp_action_mpls_ttl
+OFP_ACTION_MPLS_TTL_PACK_STR = '!HHB3x'
+OFP_ACTION_MPLS_TTL_SIZE = 8
+assert calcsize(OFP_ACTION_MPLS_TTL_PACK_STR) == OFP_ACTION_MPLS_TTL_SIZE
+
+# struct ofp_action_push
+OFP_ACTION_PUSH_PACK_STR = '!HHH2x'
+OFP_ACTION_PUSH_SIZE = 8
+assert calcsize(OFP_ACTION_PUSH_PACK_STR) == OFP_ACTION_PUSH_SIZE
+
+# struct ofp_action_pop_mpls
+OFP_ACTION_POP_MPLS_PACK_STR = '!HHH2x'
+OFP_ACTION_POP_MPLS_SIZE = 8
+assert calcsize(OFP_ACTION_POP_MPLS_PACK_STR) == OFP_ACTION_POP_MPLS_SIZE
+
+# struct ofp_action_set_queue
+OFP_ACTION_SET_QUEUE_PACK_STR = '!HHI'
+OFP_ACTION_SET_QUEUE_SIZE = 8
+assert calcsize(OFP_ACTION_SET_QUEUE_PACK_STR) == OFP_ACTION_SET_QUEUE_SIZE
+
+# struct ofp_action_group
+OFP_ACTION_GROUP_PACK_STR = '!HHI'
+OFP_ACTION_GROUP_SIZE = 8
+assert calcsize(OFP_ACTION_GROUP_PACK_STR) == OFP_ACTION_GROUP_SIZE
+
+# struct ofp_action_nw_ttl
+OFP_ACTION_NW_TTL_PACK_STR = '!HHB3x'
+OFP_ACTION_NW_TTL_SIZE = 8
+assert calcsize(OFP_ACTION_NW_TTL_PACK_STR) == OFP_ACTION_NW_TTL_SIZE
+
+# struct ofp_action_set_field
+OFP_ACTION_SET_FIELD_PACK_STR = '!HH4x'
+OFP_ACTION_SET_FIELD_SIZE = 8
+assert calcsize(OFP_ACTION_SET_FIELD_PACK_STR) == OFP_ACTION_SET_FIELD_SIZE
+
+# struct ofp_action_copy_field
+OFP_ACTION_COPY_FIELD_PACK_STR = '!HHHHH2x'
+OFP_ACTION_COPY_FIELD_SIZE = 12
+assert calcsize(OFP_ACTION_COPY_FIELD_PACK_STR) == OFP_ACTION_COPY_FIELD_SIZE
+
+# struct ofp_action_meter
+OFP_ACTION_METER_PACK_STR = '!HHI'
+OFP_ACTION_METER_SIZE = 8
+assert calcsize(OFP_ACTION_METER_PACK_STR) == OFP_ACTION_METER_SIZE
+
+# struct ofp_action_experimenter_header
+OFP_ACTION_EXPERIMENTER_HEADER_PACK_STR = '!HHI'
+OFP_ACTION_EXPERIMENTER_HEADER_SIZE = 8
+assert (calcsize(OFP_ACTION_EXPERIMENTER_HEADER_PACK_STR) ==
+ OFP_ACTION_EXPERIMENTER_HEADER_SIZE)
+
+# enum ofp_instruction_type
+OFPIT_GOTO_TABLE = 1 # Setup the next table in the lookup pipeline.
+OFPIT_WRITE_METADATA = 2 # Setup the metadata field for use later in
+ # pipeline.
+OFPIT_WRITE_ACTIONS = 3 # Write the action(s) onto the datapath
+ # action set
+OFPIT_APPLY_ACTIONS = 4 # Applies the action(s) immediately
+OFPIT_CLEAR_ACTIONS = 5 # Clears all actions from the datapath action
+ # set
+OFPIT_DEPRECATED = 6 # Deprecated (was apply meter)
+OFPIT_STAT_TRIGGER = 7 # Statistics triggers
+OFPIT_EXPERIMENTER = 0xFFFF # Experimenter instruction
+
+# struct ofp_instruction_goto_table
+OFP_INSTRUCTION_GOTO_TABLE_PACK_STR = '!HHB3x'
+OFP_INSTRUCTION_GOTO_TABLE_SIZE = 8
+assert (calcsize(OFP_INSTRUCTION_GOTO_TABLE_PACK_STR) ==
+ OFP_INSTRUCTION_GOTO_TABLE_SIZE)
+
+# struct ofp_instruction_write_metadata
+OFP_INSTRUCTION_WRITE_METADATA_PACK_STR = '!HH4xQQ'
+OFP_INSTRUCTION_WRITE_METADATA_SIZE = 24
+assert (calcsize(OFP_INSTRUCTION_WRITE_METADATA_PACK_STR) ==
+ OFP_INSTRUCTION_WRITE_METADATA_SIZE)
+
+# struct ofp_instruction_actions
+OFP_INSTRUCTION_ACTIONS_PACK_STR = '!HH4x'
+OFP_INSTRUCTION_ACTIONS_SIZE = 8
+assert (calcsize(OFP_INSTRUCTION_ACTIONS_PACK_STR) ==
+ OFP_INSTRUCTION_ACTIONS_SIZE)
+
+# enum ofp_stat_trigger_flags
+OFPSTF_PERIODIC = 1 << 0 # Trigger for all multiples of thresholds.
+OFPSTF_ONLY_FIRST = 1 << 1 # Trigger on only first reach threshold.
+
+# struct ofp_instruction_stat_trigger
+_OFP_INSTRUCTION_STAT_TRIGGER_PACK_STR0 = 'HHI'
+OFP_INSTRUCTION_STAT_TRIGGER_PACK_STR = (
+ '!' + _OFP_INSTRUCTION_STAT_TRIGGER_PACK_STR0 + _OFP_STATS_PACK_STR)
+OFP_INSTRUCTION_STAT_TRIGGER_PACK_STR0 = (
+ '!' + _OFP_INSTRUCTION_STAT_TRIGGER_PACK_STR0)
+OFP_INSTRUCTION_STAT_TRIGGER_PACK_SIZE = 16
+assert (calcsize(OFP_INSTRUCTION_STAT_TRIGGER_PACK_STR) ==
+ OFP_INSTRUCTION_STAT_TRIGGER_PACK_SIZE)
+
+# struct ofp_instruction_experimenter_header
+OFP_INSTRUCTION_EXPERIMENTER_HEADER_PACK_STR = '!HHI'
+OFP_INSTRUCTION_EXPERIMENTER_HEADER_SIZE = 8
+assert (calcsize(OFP_INSTRUCTION_EXPERIMENTER_HEADER_PACK_STR) ==
+ OFP_INSTRUCTION_EXPERIMENTER_HEADER_SIZE)
+
+# enum ofp_flow_mod_command
+OFPFC_ADD = 0 # New flow.
+OFPFC_MODIFY = 1 # Modify all matching flows.
+OFPFC_MODIFY_STRICT = 2 # Modify entry strictly matching wildcards
+OFPFC_DELETE = 3 # Delete all matching flows.
+OFPFC_DELETE_STRICT = 4 # Strictly match wildcards and priority.
+
+# Value used in "idle_timeout" and "hard_timeout" to indicate that the
+# entry is permanent. */
+OFP_FLOW_PERMANENT = 0
+
+# By default, choose a priority in the middle.
+OFP_DEFAULT_PRIORITY = 0x8000
+
+# enum ofp_flow_mod_flags
+OFPFF_SEND_FLOW_REM = 1 << 0 # Send flow removed message when flow
+ # expires or is deleted.
+OFPFF_CHECK_OVERLAP = 1 << 1 # Check for overlapping entries first.
+OFPFF_RESET_COUNTS = 1 << 2 # Reset flow packet and byte counts.
+OFPFF_NO_PKT_COUNTS = 1 << 3 # Don't keep track of packet count.
+OFPFF_NO_BYT_COUNTS = 1 << 4 # Don't keep track of byte count.
+
+# struct ofp_flow_mod
+_OFP_FLOW_MOD_PACK_STR0 = 'QQBBHHHIIIHH'
+OFP_FLOW_MOD_PACK_STR = '!' + _OFP_FLOW_MOD_PACK_STR0 + _OFP_MATCH_PACK_STR
+OFP_FLOW_MOD_PACK_STR0 = '!' + _OFP_FLOW_MOD_PACK_STR0
+OFP_FLOW_MOD_SIZE = 56
+assert (calcsize(OFP_FLOW_MOD_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_FLOW_MOD_SIZE)
+
+# enum ofp_group
+OFPG_MAX = 0xffffff00 # Last usable group number.
+OFPG_ALL = 0xfffffffc # Represents all groups for group delete commands.
+OFPG_ANY = 0xffffffff # Special wildcard: no group specified.
+
+# enum ofp_group_mod_command
+OFPGC_ADD = 0 # New group.
+OFPGC_MODIFY = 1 # Modify all matching groups.
+OFPGC_DELETE = 2 # Delete all matching groups.
+OFPGC_INSERT_BUCKET = 3 # Insert action buckets to the already available
+ # list of action buckets in a matching group
+# OFPGC_??? = 4 # Reserved for future use.
+OFPGC_REMOVE_BUCKET = 5 # Remove all action buckets or any specific action
+ # bucket from matching group
+
+# enum ofp_group_bucket_prop_type
+OFPGBPT_WEIGHT = 0 # Select groups only.
+OFPGBPT_WATCH_PORT = 1 # Fast failover groups only.
+OFPGBPT_WATCH_GROUP = 2 # Fast failover groups only.
+OFPGBPT_EXPERIMENTER = 0xFFFF # Experimenter defined.
+
+# struct ofp_group_bucket_prop_header
+OFP_GROUP_BUCKET_PROP_HEADER_PACK_STR = '!HH'
+OFP_GROUP_BUCKET_PROP_HEADER_SIZE = 4
+assert (calcsize(OFP_GROUP_BUCKET_PROP_HEADER_PACK_STR) ==
+ OFP_GROUP_BUCKET_PROP_HEADER_SIZE)
+
+# struct ofp_group_bucket_prop_weight
+OFP_GROUP_BUCKET_PROP_WEIGHT_PACK_STR = '!HHH2x'
+OFP_GROUP_BUCKET_PROP_WEIGHT_SIZE = 8
+assert (calcsize(OFP_GROUP_BUCKET_PROP_WEIGHT_PACK_STR) ==
+ OFP_GROUP_BUCKET_PROP_WEIGHT_SIZE)
+
+# struct ofp_group_bucket_prop_watch
+OFP_GROUP_BUCKET_PROP_WATCH_PACK_STR = '!HHI'
+OFP_GROUP_BUCKET_PROP_WATCH_SIZE = 8
+assert (calcsize(OFP_GROUP_BUCKET_PROP_WATCH_PACK_STR) ==
+ OFP_GROUP_BUCKET_PROP_WATCH_SIZE)
+
+# struct ofp_group_bucket_prop_experimenter
+OFP_GROUP_BUCKET_PROP_EXPERIMENTER_PACK_STR = '!HHII'
+OFP_GROUP_BUCKET_PROP_EXPERIMENTER_SIZE = 12
+assert (calcsize(OFP_GROUP_BUCKET_PROP_EXPERIMENTER_PACK_STR) ==
+ OFP_GROUP_BUCKET_PROP_EXPERIMENTER_SIZE)
+
+# struct ofp_bucket
+OFP_BUCKET_PACK_STR = '!HHI'
+OFP_BUCKET_SIZE = 8
+assert calcsize(OFP_BUCKET_PACK_STR) == OFP_BUCKET_SIZE
+
+# enum ofp_group_bucket
+OFPG_BUCKET_MAX = 0xffffff00 # Last usable bucket ID.
+OFPG_BUCKET_FIRST = 0xfffffffd # First bucket ID in the list of action
+ # buckets of a group. This is applicable
+ # for OFPGC_INSERT_BUCKET and
+ # OFPGC_REMOVE_BUCKET commands.
+OFPG_BUCKET_LAST = 0xfffffffe # Last bucket ID in the list of action
+ # buckets of a group. This is applicable
+ # for OFPGC_INSERT_BUCKET and
+ # OFPGC_REMOVE_BUCKET commands.
+OFPG_BUCKET_ALL = 0xffffffff # All action buckets in a group,
+ # This is applicable for
+ # only OFPGC_REMOVE_BUCKET command.
+
+# enum ofp_group_prop_type
+OFPGPT_EXPERIMENTER = 0xFFFF # Experimenter defined.
+
+# struct ofp_group_prop_header
+OFP_GROUP_PROP_HEADER_PACK_STR = '!HH'
+OFP_GROUP_PROP_HEADER_SIZE = 4
+assert (calcsize(OFP_GROUP_PROP_HEADER_PACK_STR) ==
+ OFP_GROUP_PROP_HEADER_SIZE)
+
+# struct ofp_group_prop_experimenter
+OFP_GROUP_PROP_EXPERIMENTER_PACK_STR = '!HHII'
+OFP_GROUP_PROP_EXPERIMENTER_SIZE = 12
+assert (calcsize(OFP_GROUP_PROP_EXPERIMENTER_PACK_STR) ==
+ OFP_GROUP_PROP_EXPERIMENTER_SIZE)
+
+# struct ofp_group_mod
+OFP_GROUP_MOD_PACK_STR = '!HBxIH2xI'
+OFP_GROUP_MOD_SIZE = 24
+assert (calcsize(OFP_GROUP_MOD_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_GROUP_MOD_SIZE)
+
+# enum ofp_group_type
+OFPGT_ALL = 0 # All (multicast/broadcast) group.
+OFPGT_SELECT = 1 # Select group.
+OFPGT_INDIRECT = 2 # Indirect group.
+OFPGT_FF = 3 # Fast failover group.
+
+
+OFP_NO_BUFFER = 0xffffffff # Special buffer-id to indicate 'no buffer'
+
+# struct ofp_packet_out
+OFP_PACKET_OUT_0_PACK_STR = '!IH2x'
+OFP_PACKET_OUT_0_SIZE = 16
+OFP_PACKET_OUT_SIZE = 24
+assert (calcsize(OFP_PACKET_OUT_0_PACK_STR) + OFP_MATCH_SIZE + OFP_HEADER_SIZE ==
+ OFP_PACKET_OUT_SIZE)
+
+# enum ofp_packet_in_reason
+OFPR_TABLE_MISS = 0 # No matching flow (table-miss flow entry).
+OFPR_APPLY_ACTION = 1 # Output to controller in apply-actions.
+OFPR_INVALID_TTL = 2 # Packet has invalid TTL.
+OFPR_ACTION_SET = 3 # Output to controller in action set.
+OFPR_GROUP = 4 # Output to controller in group bucket.
+OFPR_PACKET_OUT = 5 # Output to controller in packet-out.
+
+# struct ofp_packet_in
+OFP_PACKET_IN_PACK_STR = '!IHBBQ'
+OFP_PACKET_IN_SIZE = 32
+assert (calcsize(OFP_PACKET_IN_PACK_STR) + OFP_MATCH_SIZE + OFP_HEADER_SIZE ==
+ OFP_PACKET_IN_SIZE)
+
+# enum ofp_flow_removed_reason
+OFPRR_IDLE_TIMEOUT = 0 # Flow idle time exceeded idle_timeout.
+OFPRR_HARD_TIMEOUT = 1 # Time exceeded hard_timeout.
+OFPRR_DELETE = 2 # Evicted by a DELETE flow mod.
+OFPRR_GROUP_DELETE = 3 # Group was removed.
+OFPRR_METER_DELETE = 4 # Meter was removed.
+OFPRR_EVICTION = 5 # Switch eviction to free resources.
+
+# struct ofp_port_status
+OFP_PORT_STATUS_PACK_STR = '!B7x' + _OFP_PORT_PACK_STR
+OFP_PORT_STATUS_DESC_OFFSET = OFP_HEADER_SIZE + 8
+OFP_PORT_STATUS_SIZE = 56
+assert (calcsize(OFP_PORT_STATUS_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_PORT_STATUS_SIZE)
+
+# struct ofp_flow_removed
+_OFP_FLOW_REMOVED_PACK_STR0 = 'BBHHHQ'
+OFP_FLOW_REMOVED_PACK_STR = '!' + _OFP_FLOW_REMOVED_PACK_STR0 + \
+ _OFP_MATCH_PACK_STR
+OFP_FLOW_REMOVED_PACK_STR0 = '!' + _OFP_FLOW_REMOVED_PACK_STR0
+OFP_FLOW_REMOVED_SIZE = 32
+assert (calcsize(OFP_FLOW_REMOVED_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_FLOW_REMOVED_SIZE)
+
+# enum ofp_meter
+OFPM_MAX = 0xffff0000
+OFPM_SLOWPATH = 0xfffffffd # Meter for slow datapath, if any.
+OFPM_CONTROLLER = 0xfffffffe # Meter for controller connection.
+OFPM_ALL = 0xffffffff # Represents all meters for stat requests
+ # commands.
+
+# enum ofp_meter_band_type
+OFPMBT_DROP = 1 # Drop packet.
+OFPMBT_DSCP_REMARK = 2 # Remark DSCP in the IP header.
+OFPMBT_EXPERIMENTER = 0xFFFF # Experimenter meter band.
+
+# struct ofp_meter_band_drop
+OFP_METER_BAND_DROP_PACK_STR = '!HHII4x'
+OFP_METER_BAND_DROP_SIZE = 16
+assert (calcsize(OFP_METER_BAND_DROP_PACK_STR) ==
+ OFP_METER_BAND_DROP_SIZE)
+
+# struct ofp_meter_band_dscp_remark
+OFP_METER_BAND_DSCP_REMARK_PACK_STR = '!HHIIB3x'
+OFP_METER_BAND_DSCP_REMARK_SIZE = 16
+assert (calcsize(OFP_METER_BAND_DSCP_REMARK_PACK_STR) ==
+ OFP_METER_BAND_DSCP_REMARK_SIZE)
+
+# struct ofp_meter_band_experimenter
+OFP_METER_BAND_EXPERIMENTER_PACK_STR = '!HHIII'
+OFP_METER_BAND_EXPERIMENTER_SIZE = 16
+assert (calcsize(OFP_METER_BAND_EXPERIMENTER_PACK_STR) ==
+ OFP_METER_BAND_EXPERIMENTER_SIZE)
+
+# enum ofp_meter_mod_command
+OFPMC_ADD = 0 # New meter.
+OFPMC_MODIFY = 1 # Modify specified meter.
+OFPMC_DELETE = 2 # Delete specified meter.
+
+# enum ofp_meter_flags
+OFPMF_KBPS = 1 << 0 # Rate value in kb/s (kilo-bit per second).
+OFPMF_PKTPS = 1 << 1 # Rate value in packet/sec.
+OFPMF_BURST = 1 << 2 # Do burst size.
+OFPMF_STATS = 1 << 3 # Collect statistics.
+
+# struct ofp_meter_band_header
+OFP_METER_BAND_HEADER_PACK_STR = '!HHII'
+OFP_METER_BAND_HEADER_SIZE = 12
+assert (calcsize(OFP_METER_BAND_HEADER_PACK_STR) ==
+ OFP_METER_BAND_HEADER_SIZE)
+
+# struct ofp_meter_mod
+OFP_METER_MOD_PACK_STR = '!HHI'
+OFP_METER_MOD_SIZE = 16
+assert (calcsize(OFP_METER_MOD_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_METER_MOD_SIZE)
+
+
+# enum ofp_error_type
+OFPET_HELLO_FAILED = 0 # Hello protocol failed.
+OFPET_BAD_REQUEST = 1 # Request was not understood.
+OFPET_BAD_ACTION = 2 # Error in action description.
+OFPET_BAD_INSTRUCTION = 3 # Error in instruction list.
+OFPET_BAD_MATCH = 4 # Error in match.
+OFPET_FLOW_MOD_FAILED = 5 # Problem modifying flow entry.
+OFPET_GROUP_MOD_FAILED = 6 # Problem modifying group entry.
+OFPET_PORT_MOD_FAILED = 7 # OFPT_PORT_MOD failed.
+OFPET_TABLE_MOD_FAILED = 8 # Table mod request failed.
+OFPET_QUEUE_OP_FAILED = 9 # Queue operation failed.
+OFPET_SWITCH_CONFIG_FAILED = 10 # Switch config request failed.
+OFPET_ROLE_REQUEST_FAILED = 11 # Controller Role request failed.
+OFPET_METER_MOD_FAILED = 12 # Error in meter.
+OFPET_TABLE_FEATURES_FAILED = 13 # Setting table features failed.
+OFPET_BAD_PROPERTY = 14 # Some property is invalid.
+OFPET_ASYNC_CONFIG_FAILED = 15 # Asynchronous config request failed.
+OFPET_FLOW_MONITOR_FAILED = 16 # Setting flow monitor failed.
+OFPET_BUNDLE_FAILED = 17 # Bundle operation failed.
+OFPET_EXPERIMENTER = 0xffff # Experimenter error messages.
+
+# enum ofp_hello_failed_code
+OFPHFC_INCOMPATIBLE = 0 # No compatible version.
+OFPHFC_EPERM = 1 # Permissions error.
+
+# enum ofp_bad_request_code
+OFPBRC_BAD_VERSION = 0 # ofp_header.version not supported.
+OFPBRC_BAD_TYPE = 1 # ofp_header.type not supported.
+OFPBRC_BAD_MULTIPART = 2 # ofp_multipart_request.type not
+ # supported.
+OFPBRC_BAD_EXPERIMENTER = 3 # Experimenter id not supported
+ # (in ofp_experimenter_header
+ # or ofp_multipart_request or
+ # ofp_multipart_reply).
+OFPBRC_BAD_EXP_TYPE = 4 # Experimenter type not supported.
+OFPBRC_EPERM = 5 # Permissions error.
+OFPBRC_BAD_LEN = 6 # Wrong request length for type.
+OFPBRC_BUFFER_EMPTY = 7 # Specified buffer has already been
+ # used.
+OFPBRC_BUFFER_UNKNOWN = 8 # Specified buffer does not exist.
+OFPBRC_BAD_TABLE_ID = 9 # Specified table-id invalid or does
+ # not exist.
+OFPBRC_IS_SLAVE = 10 # Denied because controller is slave.
+OFPBRC_BAD_PORT = 11 # Invalid port or missing port.
+OFPBRC_BAD_PACKET = 12 # Invalid packet in packet-out
+OFPBRC_MULTIPART_BUFFER_OVERFLOW = 13 # ofp_multipart_request
+ # overflowed the assigned buffer.
+OFPBRC_MULTIPART_REQUEST_TIMEOUT = 14 # Timeout during multipart request.
+OFPBRC_MULTIPART_REPLY_TIMEOUT = 15 # Timeout during multipart reply.
+OFPBRC_MULTIPART_BAD_SCHED = 16 # Switch received a
+ # OFPMP_BUNDLE_FEATURES request and
+ # failed to update the scheduling
+ # tolerance.
+OFPBRC_PIPELINE_FIELDS_ONLY = 17 # Match fields must include only
+ # pipeline fields.
+OFPBRC_UNKNOWN = 18 # Unspecified error.
+
+
+# enum ofp_bad_action_code
+OFPBAC_BAD_TYPE = 0 # Unknown or unsupported action type.
+OFPBAC_BAD_LEN = 1 # Length problem in actions.
+OFPBAC_BAD_EXPERIMENTER = 2 # Unknown experimenter id specified.
+OFPBAC_BAD_EXP_TYPE = 3 # Unknown action type for experimenter id.
+OFPBAC_BAD_OUT_PORT = 4 # Problem validating output action.
+OFPBAC_BAD_ARGUMENT = 5 # Bad action argument.
+OFPBAC_EPERM = 6 # Permissions error.
+OFPBAC_TOO_MANY = 7 # Can't handle this many actions.
+OFPBAC_BAD_QUEUE = 8 # Problem validating output queue.
+OFPBAC_BAD_OUT_GROUP = 9 # Invalid group id in forward action.
+OFPBAC_MATCH_INCONSISTENT = 10 # Action can't apply for this match,
+ # or Set-Field missing prerequisite.
+OFPBAC_UNSUPPORTED_ORDER = 11 # Action order is unsupported for
+ # the action list in an Apply-Actions
+ # instruction
+OFPBAC_BAD_TAG = 12 # Actions uses an unsupported tag/encap.
+OFPBAC_BAD_SET_TYPE = 13 # Unsupported type in SET_FIELD action.
+OFPBAC_BAD_SET_LEN = 14 # Length problem in SET_FIELD action.
+OFPBAC_BAD_SET_ARGUMENT = 15 # Bad arguement in SET_FIELD action.
+OFPBAC_BAD_SET_MASK = 16 # Bad mask in SET_FIELD action.
+OFPBAC_BAD_METER = 17 # Invalid meter id in meter action.
+
+# enum ofp_bad_instruction_code
+OFPBIC_UNKNOWN_INST = 0 # Unknown instruction.
+OFPBIC_UNSUP_INST = 1 # Switch or table does not support
+ # the instruction.
+OFPBIC_BAD_TABLE_ID = 2 # Invalid Table-Id specified
+OFPBIC_UNSUP_METADATA = 3 # Metadata value unsupported by datapath.
+OFPBIC_UNSUP_METADATA_MASK = 4 # Metadata mask value unsupported by
+ # datapath.
+OFPBIC_BAD_EXPERIMENTER = 5 # Unknown experimenter id specified.
+OFPBIC_BAD_EXP_TYPE = 6 # Unknown instruction for experimenter id.
+OFPBIC_BAD_LEN = 7 # Length problem in instrucitons.
+OFPBIC_EPERM = 8 # Permissions error.
+OFPBIC_DUP_INST = 9 # Duplicate instruction.
+
+# enum ofp_bad_match_code
+OFPBMC_BAD_TYPE = 0 # Unsupported match type apecified by
+ # the match.
+OFPBMC_BAD_LEN = 1 # Length problem in math.
+OFPBMC_BAD_TAG = 2 # Match uses an unsupported tag/encap.
+OFPBMC_BAD_DL_ADDR_MASK = 3 # Unsupported datalink addr mask -
+ # switch does not support arbitrary
+ # datalink address mask.
+OFPBMC_BAD_NW_ADDR_MASK = 4 # Unsupported network addr mask -
+ # switch does not support arbitrary
+ # network addres mask.
+OFPBMC_BAD_WILDCARDS = 5 # Unsupported combination of fields
+ # masked or omitted in the match.
+OFPBMC_BAD_FIELD = 6 # Unsupported field type in the match.
+OFPBMC_BAD_VALUE = 7 # Unsupported value in a match field.
+OFPBMC_BAD_MASK = 8 # Unsupported mask specified in the match.
+OFPBMC_BAD_PREREQ = 9 # A prerequisite was not met.
+OFPBMC_DUP_FIELD = 10 # A field type was duplicated.
+OFPBMC_EPERM = 11 # Permissions error.
+
+# enum ofp_flow_mod_failed_code
+OFPFMFC_UNKNOWN = 0 # Unspecified error.
+OFPFMFC_TABLE_FULL = 1 # Flow not added because table was full.
+OFPFMFC_BAD_TABLE_ID = 2 # Table does not exist
+OFPFMFC_OVERLAP = 3 # Attempted to add overlapping flow with
+ # CHECK_OVERLAP flag set.
+OFPFMFC_EPERM = 4 # Permissions error.
+OFPFMFC_BAD_TIMEOUT = 5 # Flow not added because of unsupported
+ # idle/hard timeout.
+OFPFMFC_BAD_COMMAND = 6 # Unsupported or unknown command.
+OFPFMFC_BAD_FLAGS = 7 # Unsupported or unknown flags.
+OFPFMFC_CANT_SYNC = 8 # Problem in table synchronisation.
+OFPFMFC_BAD_PRIORITY = 9 # Unsupported priority value.
+OFPFMFC_IS_SYNC = 10 # Synchronised flow entry is read only.
+
+# enum ofp_group_mod_failed_code
+OFPGMFC_GROUP_EXISTS = 0 # Group not added because a group ADD
+ # attempted to replace an already-present
+ # group.
+OFPGMFC_INVALID_GROUP = 1 # Group not added because Group specified
+ # is invalid.
+OFPGMFC_WEIGHT_UNSUPPORTED = 2 # Switch does not support unequal load
+ # sharing with select groups.
+OFPGMFC_OUT_OF_GROUPS = 3 # The group table is full.
+OFPGMFC_OUT_OF_BUCKETS = 4 # The maximum number of action buckets
+ # for a group has been exceeded.
+OFPGMFC_CHAINING_UNSUPPORTED = 5 # Switch does not support groups that
+ # forward to groups.
+OFPGMFC_WATCH_UNSUPPORTED = 6 # This group cannot watch the
+ # watch_port or watch_group specified.
+OFPGMFC_LOOP = 7 # Group entry would cause a loop.
+OFPGMFC_UNKNOWN_GROUP = 8 # Group not modified because a group MODIFY
+ # attempted to modify a non-existent group.
+OFPGMFC_CHAINED_GROUP = 9 # Group not deleted because another group
+ # is forwarding to it.
+OFPGMFC_BAD_TYPE = 10 # Unsupported or unknown group type.
+OFPGMFC_BAD_COMMAND = 11 # Unsupported or unknown command.
+OFPGMFC_BAD_BUCKET = 12 # Error in bucket.
+OFPGMFC_BAD_WATCH = 13 # Error in watch port/group.
+OFPGMFC_EPERM = 14 # Permissions error.
+OFPGMFC_UNKNOWN_BUCKET = 15 # Invalid bucket identifier used in
+ # INSERT BUCKET or REMOVE BUCKET command.
+OFPGMFC_BUCKET_EXISTS = 16 # Can't insert bucket because a bucket
+ # already exist with that bucket-id.
+
+# enum ofp_port_mod_failed_code
+OFPPMFC_BAD_PORT = 0 # Specified port does not exist.
+OFPPMFC_BAD_HW_ADDR = 1 # Specified hardware address does not match
+ # the port number.
+OFPPMFC_BAD_CONFIG = 2 # Specified config is invalid.
+OFPPMFC_BAD_ADVERTISE = 3 # Specified advertise is invalid.
+OFPPMFC_EPERM = 4 # Permissions error.
+
+# enum ofp_table_mod_failed_code
+OFPTMFC_BAD_TABLE = 0 # Specified table does not exist.
+OFPTMFC_BAD_CONFIG = 1 # Specified config is invalid.
+OFPTMFC_EPERM = 2 # Permissions error
+
+# enum ofp_queue_op_failed_code
+OFPQOFC_BAD_PORT = 0 # Invalid port (or port does not exist).
+OFPQOFC_BAD_QUEUE = 1 # Queue does not exist.
+OFPQOFC_EPERM = 2 # Permissions error.
+
+# enum ofp_switch_config_failed_code
+OFPSCFC_BAD_FLAGS = 0 # Specified flags is invalid.
+OFPSCFC_BAD_LEN = 1 # Specified miss send len is invalid.
+OFPSCFC_EPERM = 2 # Permissions error.
+
+
+# enum ofp_role_request_failed_code
+OFPRRFC_STALE = 0 # Stale Message: old generation_id.
+OFPRRFC_UNSUP = 1 # Controller role change unsupported.
+OFPRRFC_BAD_ROLE = 2 # Invalid role.
+OFPRRFC_ID_UNSUP = 3 # Switch doesn't support changing ID.
+OFPRRFC_ID_IN_USE = 4 # Requested ID is in use.
+
+# enum ofp_meter_mod_failed_code
+OFPMMFC_UNKNOWN = 0 # Unspecified error.
+OFPMMFC_METER_EXISTS = 1 # Meter not added because a Meter ADD
+ # attempted to replace an existing Meter.
+OFPMMFC_INVALID_METER = 2 # Meter not added because Meter specified
+ # is invalid, or invalid meter in meter action.
+OFPMMFC_UNKNOWN_METER = 3 # Meter not modified because a Meter MODIFY
+ # attempted to modify a non-existent Meter,
+ # or bad meter in meter action.
+OFPMMFC_BAD_COMMAND = 4 # Unsupported or unknown command.
+OFPMMFC_BAD_FLAGS = 5 # Flag configuration unsupported.
+OFPMMFC_BAD_RATE = 6 # Rate unsupported.
+OFPMMFC_BAD_BURST = 7 # Burst size unsupported.
+OFPMMFC_BAD_BAND = 8 # Band unsupported.
+OFPMMFC_BAD_BAND_VALUE = 9 # Band value unsupported.
+OFPMMFC_OUT_OF_METERS = 10 # No more meters availabile.
+OFPMMFC_OUT_OF_BANDS = 11 # The maximum number of properties for a
+ # meter has been exceeded.
+
+# enum ofp_table_features_failed_code
+OFPTFFC_BAD_TABLE = 0 # Specified table does not exist.
+OFPTFFC_BAD_METADATA = 1 # Invalid metadata mask.
+OFPTFFC_EPERM = 5 # Permissions error.
+OFPTFFC_BAD_CAP = 6 # Invalid capability field.
+OFPTFFC_BAD_MAX_ENT = 7 # Invalid max_entries field.
+OFPTFFC_BAD_FEATURES = 8 # Invalid features field.
+OFPTFFC_BAD_COMMAND = 9 # Invalid command.
+OFPTFFC_TOO_MANY = 10 # Can't handle this many flow tables.
+
+# enum ofp_bad_property_code
+OFPBPC_BAD_TYPE = 0 # Unknown or unsupported property type.
+OFPBPC_BAD_LEN = 1 # Length problem in property.
+OFPBPC_BAD_VALUE = 2 # Unsupported property value.
+OFPBPC_TOO_MANY = 3 # Can't handle this many properties.
+OFPBPC_DUP_TYPE = 4 # A property type was duplicated.
+OFPBPC_BAD_EXPERIMENTER = 5 # Unknown experimenter id specified.
+OFPBPC_BAD_EXP_TYPE = 6 # Unknown exp_type for experimenter id.
+OFPBPC_BAD_EXP_VALUE = 7 # Unknown value for experimenter id.
+OFPBPC_EPERM = 8 # Permissions error.
+
+# enum ofp_async_config_failed_code
+OFPACFC_INVALID = 0 # One mask is invalid.
+OFPACFC_UNSUPPORTED = 1 # Requested configuration not supported.
+OFPACFC_EPERM = 2 # Permissions error.
+
+# enum ofp_flow_monitor_failed_code
+OFPMOFC_UNKNOWN = 0 # Unspecified error.
+OFPMOFC_MONITOR_EXISTS = 1 # Monitor not added because a Monitor ADD
+ # attempted to replace an existing
+ # Monitor.
+OFPMOFC_INVALID_MONITOR = 2 # Monitor not added because Monitor
+ # specified is invalid.
+OFPMOFC_UNKNOWN_MONITOR = 3 # Monitor not modified because a Monitor
+ # MODIFY attempted to modify a non-existent
+ # Monitor.
+OFPMOFC_BAD_COMMAND = 4 # Unsupported or unknown command.
+OFPMOFC_BAD_FLAGS = 5 # Flag configuration unsupported.
+OFPMOFC_BAD_TABLE_ID = 6 # Specified table does not exist.
+OFPMOFC_BAD_OUT = 7 # Error in output port/group.
+
+# enum ofp_bundle_failed_code
+OFPBFC_UNKNOWN = 0 # Unspecified error.
+OFPBFC_EPERM = 1 # Permissions error.
+OFPBFC_BAD_ID = 2 # Bundle ID doesn't exist.
+OFPBFC_BUNDLE_EXIST = 3 # Bundle ID already exist.
+OFPBFC_BUNDLE_CLOSED = 4 # Bundle ID is closed.
+OFPBFC_OUT_OF_BUNDLES = 5 # Too many bundles IDs.
+OFPBFC_BAD_TYPE = 6 # Unsupported or unknown message control type.
+OFPBFC_BAD_FLAGS = 7 # Unsupported, unknown, or inconsistent flags.
+OFPBFC_MSG_BAD_LEN = 8 # Length problem in included message.
+OFPBFC_MSG_BAD_XID = 9 # Inconsistent or duplicate XID.
+OFPBFC_MSG_UNSUP = 10 # Unsupported message in this bundle.
+OFPBFC_MSG_CONFLICT = 11 # Unsupported message combination in this
+ # bundle.
+OFPBFC_MSG_TOO_MANY = 12 # Can't handle this many messages in bundle.
+OFPBFC_MSG_FAILED = 13 # One message in bundle failed.
+OFPBFC_TIMEOUT = 14 # Bundle is taking too long.
+OFPBFC_BUNDLE_IN_PROGRESS = 15 # Bundle is locking the resource.
+OFPBFC_SCHED_NOT_SUPPORTED = 16 # Scheduled commit was received and
+ # scheduling is not supported.
+OFPBFC_SCHED_FUTURE = 17 # Scheduled commit time exceeds upper bound.
+OFPBFC_SCHED_PAST = 18 # Scheduled commit time exceeds lower bound.
+
+# struct ofp_error_msg
+OFP_ERROR_MSG_PACK_STR = '!HH'
+OFP_ERROR_MSG_SIZE = 12
+assert (calcsize(OFP_ERROR_MSG_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_ERROR_MSG_SIZE)
+
+# struct ofp_error_experimenter_msg
+OFP_ERROR_EXPERIMENTER_MSG_PACK_STR = '!HHI'
+OFP_ERROR_EXPERIMENTER_MSG_SIZE = 16
+assert (calcsize(OFP_ERROR_EXPERIMENTER_MSG_PACK_STR) +
+ OFP_HEADER_SIZE) == OFP_ERROR_EXPERIMENTER_MSG_SIZE
+
+# struct ofp_experimenter_header
+OFP_EXPERIMENTER_HEADER_PACK_STR = '!II'
+OFP_EXPERIMENTER_HEADER_SIZE = 16
+assert (calcsize(OFP_EXPERIMENTER_HEADER_PACK_STR) + OFP_HEADER_SIZE
+ == OFP_EXPERIMENTER_HEADER_SIZE)
+
+# enum ofp_multipart_type
+OFPMP_DESC = 0
+OFPMP_FLOW_DESC = 1
+OFPMP_AGGREGATE_STATS = 2
+OFPMP_TABLE_STATS = 3
+OFPMP_PORT_STATS = 4
+OFPMP_QUEUE_STATS = 5
+OFPMP_GROUP_STATS = 6
+OFPMP_GROUP_DESC = 7
+OFPMP_GROUP_FEATURES = 8
+OFPMP_METER_STATS = 9
+OFPMP_METER_DESC = 10
+OFPMP_METER_FEATURES = 11
+OFPMP_TABLE_FEATURES = 12
+OFPMP_PORT_DESC = 13
+OFPMP_TABLE_DESC = 14
+OFPMP_QUEUE_DESC = 15
+OFPMP_FLOW_MONITOR = 16
+OFPMP_FLOW_STATS = 17
+OFPMP_CONTROLLER_STATUS = 18
+OFPMP_BUNDLE_FEATURES = 19
+OFPMP_EXPERIMENTER = 0xffff
+
+# struct ofp_multipart_request
+OFP_MULTIPART_REQUEST_PACK_STR = '!HH4x'
+OFP_MULTIPART_REQUEST_SIZE = 16
+assert (calcsize(OFP_MULTIPART_REQUEST_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_MULTIPART_REQUEST_SIZE)
+
+# enum ofp_multipart_reply_flags
+OFPMPF_REPLY_MORE = 1 << 0 # More requests to follow.
+
+# struct ofp_multipart_reply
+OFP_MULTIPART_REPLY_PACK_STR = '!HH4x'
+OFP_MULTIPART_REPLY_SIZE = 16
+assert (calcsize(OFP_MULTIPART_REPLY_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_MULTIPART_REPLY_SIZE)
+
+DESC_STR_LEN = 256
+DESC_STR_LEN_STR = str(DESC_STR_LEN)
+SERIAL_NUM_LEN = 32
+SERIAL_NUM_LEN_STR = str(SERIAL_NUM_LEN)
+OFP_DESC_PACK_STR = '!' + \
+ DESC_STR_LEN_STR + 's' + \
+ DESC_STR_LEN_STR + 's' + \
+ DESC_STR_LEN_STR + 's' + \
+ SERIAL_NUM_LEN_STR + 's' + \
+ DESC_STR_LEN_STR + 's'
+OFP_DESC_SIZE = 1056
+assert calcsize(OFP_DESC_PACK_STR) == OFP_DESC_SIZE
+
+# struct ofp_flow_stats_request
+_OFP_FLOW_STATS_REQUEST_0_PACK_STR = 'B3xII4xQQ'
+OFP_FLOW_STATS_REQUEST_0_PACK_STR = '!' + _OFP_FLOW_STATS_REQUEST_0_PACK_STR
+OFP_FLOW_STATS_REQUEST_0_SIZE = 32
+assert (calcsize(OFP_FLOW_STATS_REQUEST_0_PACK_STR) ==
+ OFP_FLOW_STATS_REQUEST_0_SIZE)
+OFP_FLOW_STATS_REQUEST_PACK_STR = (OFP_FLOW_STATS_REQUEST_0_PACK_STR +
+ _OFP_MATCH_PACK_STR)
+OFP_FLOW_STATS_REQUEST_SIZE = 40
+assert (calcsize(OFP_FLOW_STATS_REQUEST_PACK_STR) ==
+ OFP_FLOW_STATS_REQUEST_SIZE)
+
+# struct ofp_flow_desc
+_OFP_FLOW_DESC_0_PACK_STR = 'H2xBxHHHHHQ'
+OFP_FLOW_DESC_0_PACK_STR = '!' + _OFP_FLOW_DESC_0_PACK_STR
+OFP_FLOW_DESC_0_SIZE = 24
+assert calcsize(OFP_FLOW_DESC_0_PACK_STR) == OFP_FLOW_DESC_0_SIZE
+OFP_FLOW_DESC_PACK_STR = OFP_FLOW_DESC_0_PACK_STR + _OFP_MATCH_PACK_STR
+OFP_FLOW_DESC_SIZE = 32
+assert calcsize(OFP_FLOW_DESC_PACK_STR) == OFP_FLOW_DESC_SIZE
+
+# enum ofp_flow_stats_reason
+OFPFSR_STATS_REQUEST = 0 # Reply to a OFPMP_FLOW_STATS request.
+OFPFSR_STAT_TRIGGER = 1 # Status generated by OFPIT_STAT_TRIGGER.
+
+# struct ofp_flow_stats
+_OFP_FLOW_STATS_0_PACK_STR = 'H2xBBH'
+OFP_FLOW_STATS_0_PACK_STR = '!' + _OFP_FLOW_STATS_0_PACK_STR
+OFP_FLOW_STATS_0_SIZE = 8
+assert calcsize(OFP_FLOW_STATS_0_PACK_STR) == OFP_FLOW_STATS_0_SIZE
+OFP_FLOW_STATS_PACK_STR = (OFP_FLOW_STATS_0_PACK_STR +
+ _OFP_MATCH_PACK_STR)
+OFP_FLOW_STATS_SIZE = 16
+assert calcsize(OFP_FLOW_STATS_PACK_STR) == OFP_FLOW_STATS_SIZE
+
+# struct ofp_aggregate_stats_request
+OFP_AGGREGATE_STATS_REQUEST_PACK_STR = '!B3xII4xQQ' + _OFP_MATCH_PACK_STR
+OFP_AGGREGATE_STATS_REQUEST_SIZE = 40
+assert (calcsize(OFP_AGGREGATE_STATS_REQUEST_PACK_STR) ==
+ OFP_AGGREGATE_STATS_REQUEST_SIZE)
+
+# struct ofp_aggregate_stats_reply
+OFP_AGGREGATE_STATS_REPLY_PACK_STR = OFP_STATS_PACK_STR
+OFP_AGGREGATE_STATS_REPLY_SIZE = OFP_STATS_SIZE
+assert (calcsize(OFP_AGGREGATE_STATS_REPLY_PACK_STR) ==
+ OFP_AGGREGATE_STATS_REPLY_SIZE)
+
+
+# enum ofp_table_feature_prop_type
+OFPTFPT_INSTRUCTIONS = 0
+OFPTFPT_INSTRUCTIONS_MISS = 1
+OFPTFPT_NEXT_TABLES = 2
+OFPTFPT_NEXT_TABLES_MISS = 3
+OFPTFPT_WRITE_ACTIONS = 4
+OFPTFPT_WRITE_ACTIONS_MISS = 5
+OFPTFPT_APPLY_ACTIONS = 6
+OFPTFPT_APPLY_ACTIONS_MISS = 7
+OFPTFPT_MATCH = 8
+OFPTFPT_WILDCARDS = 10
+OFPTFPT_WRITE_SETFIELD = 12
+OFPTFPT_WRITE_SETFIELD_MISS = 13
+OFPTFPT_APPLY_SETFIELD = 14
+OFPTFPT_APPLY_SETFIELD_MISS = 15
+OFPTFPT_TABLE_SYNC_FROM = 16
+OFPTFPT_WRITE_COPYFIELD = 18 # Write Copy-Field property.
+OFPTFPT_WRITE_COPYFIELD_MISS = 19 # Write Copy-Field for table-miss.
+OFPTFPT_APPLY_COPYFIELD = 20 # Apply Copy-Field property.
+OFPTFPT_APPLY_COPYFIELD_MISS = 21 # Apply Copy-Field for table-miss.
+OFPTFPT_PACKET_TYPES = 22 # Packet types property.
+OFPTFPT_EXPERIMENTER = 0xFFFE
+OFPTFPT_EXPERIMENTER_MISS = 0xFFFF
+
+# struct ofp_instruction_id
+OFP_INSTRUCTION_ID_PACK_STR = '!HH'
+OFP_INSTRUCTION_ID_SIZE = 4
+assert calcsize(OFP_INSTRUCTION_ID_PACK_STR) == OFP_INSTRUCTION_ID_SIZE
+
+# struct ofp_table_feature_prop_instructions
+OFP_TABLE_FEATURE_PROP_INSTRUCTIONS_PACK_STR = '!HH'
+OFP_TABLE_FEATURE_PROP_INSTRUCTIONS_SIZE = 4
+assert (calcsize(OFP_TABLE_FEATURE_PROP_INSTRUCTIONS_PACK_STR) ==
+ OFP_TABLE_FEATURE_PROP_INSTRUCTIONS_SIZE)
+
+# struct ofp_table_feature_prop_actions
+OFP_TABLE_FEATURE_PROP_ACTIONS_PACK_STR = '!HH'
+OFP_TABLE_FEATURE_PROP_ACTIONS_SIZE = 4
+assert (calcsize(OFP_TABLE_FEATURE_PROP_ACTIONS_PACK_STR) ==
+ OFP_TABLE_FEATURE_PROP_ACTIONS_SIZE)
+
+# struct ofp_table_feature_prop_oxm
+OFP_TABLE_FEATURE_PROP_OXM_PACK_STR = '!HH'
+OFP_TABLE_FEATURE_PROP_OXM_SIZE = 4
+assert (calcsize(OFP_TABLE_FEATURE_PROP_OXM_PACK_STR) ==
+ OFP_TABLE_FEATURE_PROP_OXM_SIZE)
+
+# struct ofp_table_feature_prop_oxm_values
+OFP_TABLE_FEATURE_PROP_OXM_VALUES_PACK_STR = '!HH'
+OFP_TABLE_FEATURE_PROP_OXM_VALUES_SIZE = 4
+assert (calcsize(OFP_TABLE_FEATURE_PROP_OXM_VALUES_PACK_STR) ==
+ OFP_TABLE_FEATURE_PROP_OXM_VALUES_SIZE)
+
+# struct ofp_table_feature_prop_experimenter
+OFP_TABLE_FEATURE_PROP_EXPERIMENTER_PACK_STR = '!HHII'
+OFP_TABLE_FEATURE_PROP_EXPERIMENTER_SIZE = 12
+assert (calcsize(OFP_TABLE_FEATURE_PROP_EXPERIMENTER_PACK_STR) ==
+ OFP_TABLE_FEATURE_PROP_EXPERIMENTER_SIZE)
+
+# enum ofp_table_feature_flag
+OFPTFF_INGRESS_TABLE = 1 << 0 # Can be configured as ingress table.
+OFPTFF_EGRESS_TABLE = 1 << 1 # Can be configured as egress table.
+OFPTFF_FIRST_EGRESS = 1 << 4 # Is the first egress table.
+
+# enum ofp_table_features_command
+OFPTFC_REPLACE = 0 # Replace full pipeline.
+OFPTFC_MODIFY = 1 # Modify flow tables capabilities.
+OFPTFC_ENABLE = 2 # Enable flow tables in the pipeline.
+OFPTFC_DISABLE = 3 # Disable flow tables in pipeline.
+
+# struct ofp_table_features
+OFP_MAX_TABLE_NAME_LEN = 32
+OFP_MAX_TABLE_NAME_LEN_STR = str(OFP_MAX_TABLE_NAME_LEN)
+OFP_TABLE_FEATURES_PACK_STR = '!HBBI' + OFP_MAX_TABLE_NAME_LEN_STR + \
+ 's' + 'QQII'
+OFP_TABLE_FEATURES_SIZE = 64
+assert (calcsize(OFP_TABLE_FEATURES_PACK_STR) ==
+ OFP_TABLE_FEATURES_SIZE)
+
+# struct ofp_table_stats
+OFP_TABLE_STATS_PACK_STR = '!B3xIQQ'
+OFP_TABLE_STATS_SIZE = 24
+assert calcsize(OFP_TABLE_STATS_PACK_STR) == OFP_TABLE_STATS_SIZE
+
+# struct ofp_table_desc
+_OFP_TABLE_DESC_PACK_STR = 'HBxI'
+OFP_TABLE_DESC_PACK_STR = '!' + _OFP_TABLE_DESC_PACK_STR
+OFP_TABLE_DESC_SIZE = 8
+assert calcsize(OFP_TABLE_DESC_PACK_STR) == OFP_TABLE_DESC_SIZE
+
+# struct ofp_port_multipart_request
+OFP_PORT_MULTIPART_REQUEST_PACK_STR = '!I4x'
+OFP_PORT_MULTIPART_REQUEST_SIZE = 8
+assert (calcsize(OFP_PORT_MULTIPART_REQUEST_PACK_STR) ==
+ OFP_PORT_MULTIPART_REQUEST_SIZE)
+
+# enum ofp_port_stats_prop_type
+OFPPSPT_ETHERNET = 0 # Ethernet property.
+OFPPSPT_OPTICAL = 1 # Optical property.
+OFPPSPT_EXPERIMENTER = 0xFFFF # Experimenter property.
+
+# struct ofp_port_stats_prop_ethernet
+OFP_PORT_STATS_PROP_ETHERNET_PACK_STR = '!HH4xQQQQ'
+OFP_PORT_STATS_PROP_ETHERNET_SIZE = 40
+assert (calcsize(OFP_PORT_STATS_PROP_ETHERNET_PACK_STR) ==
+ OFP_PORT_STATS_PROP_ETHERNET_SIZE)
+
+# struct ofp_port_stats_prop_optical
+OFP_PORT_STATS_PROP_OPTICAL_PACK_STR = '!HH4xIIIIIIIHHHH'
+OFP_PORT_STATS_PROP_OPTICAL_SIZE = 44
+assert (calcsize(OFP_PORT_STATS_PROP_OPTICAL_PACK_STR) ==
+ OFP_PORT_STATS_PROP_OPTICAL_SIZE)
+
+# enum ofp_port_stats_optical_flags
+OFPOSF_RX_TUNE = 1 << 0 # Receiver tune info valid
+OFPOSF_TX_TUNE = 1 << 1 # Transmit tune info valid
+OFPOSF_TX_PWR = 1 << 2 # TX Power is valid
+OFPOSF_RX_PWR = 1 << 4 # RX power is valid
+OFPOSF_TX_BIAS = 1 << 5 # Transmit bias is valid
+OFPOSF_TX_TEMP = 1 << 6 # TX Temp is valid
+
+# struct ofp_port_stats_prop_experimenter
+OFP_PORT_STATS_PROP_EXPERIMENTER_PACK_STR = '!HHII'
+OFP_PORT_STATS_PROP_EXPERIMENTER_SIZE = 12
+assert (calcsize(OFP_PORT_STATS_PROP_EXPERIMENTER_PACK_STR) ==
+ OFP_PORT_STATS_PROP_EXPERIMENTER_SIZE)
+
+# struct ofp_port_stats
+OFP_PORT_STATS_PACK_STR = '!H2xIIIQQQQQQQQ'
+OFP_PORT_STATS_SIZE = 80
+assert calcsize(OFP_PORT_STATS_PACK_STR) == OFP_PORT_STATS_SIZE
+
+# struct ofp_group_multipart_request
+OFP_GROUP_MULTIPART_REQUEST_PACK_STR = '!I4x'
+OFP_GROUP_MULTIPART_REQUEST_SIZE = 8
+assert (calcsize(OFP_GROUP_MULTIPART_REQUEST_PACK_STR) ==
+ OFP_GROUP_MULTIPART_REQUEST_SIZE)
+
+# struct ofp_bucket_counter
+OFP_BUCKET_COUNTER_PACK_STR = '!QQ'
+OFP_BUCKET_COUNTER_SIZE = 16
+assert calcsize(OFP_BUCKET_COUNTER_PACK_STR) == OFP_BUCKET_COUNTER_SIZE
+
+# struct ofp_group_stats
+OFP_GROUP_STATS_PACK_STR = '!H2xII4xQQII'
+OFP_GROUP_STATS_SIZE = 40
+assert calcsize(OFP_GROUP_STATS_PACK_STR) == OFP_GROUP_STATS_SIZE
+
+# struct ofp_group_desc
+OFP_GROUP_DESC_PACK_STR = '!HBxIH6x'
+OFP_GROUP_DESC_SIZE = 16
+assert calcsize(OFP_GROUP_DESC_PACK_STR) == OFP_GROUP_DESC_SIZE
+
+# struct ofp_group_desc_stats
+# Backward compatibility with 1.3.1 - avoid breaking the API.
+OFP_GROUP_DESC_STATS_PACK_STR = OFP_GROUP_DESC_PACK_STR
+OFP_GROUP_DESC_STATS_SIZE = OFP_GROUP_DESC_SIZE
+assert calcsize(OFP_GROUP_DESC_STATS_PACK_STR) == OFP_GROUP_DESC_STATS_SIZE
+
+# enum ofp_group_capabilities
+OFPGFC_SELECT_WEIGHT = 1 << 0 # Support weight for select groups.
+OFPGFC_SELECT_LIVENESS = 1 << 1 # Support liveness for select groups.
+OFPGFC_CHAINING = 1 << 2 # Support chaining groups.
+OFPGFC_CHAINING_CHECKS = 1 << 3 # Check chaining for loops and delete
+
+# struct ofp_group_features
+OFP_GROUP_FEATURES_PACK_STR = '!II4I4I'
+OFP_GROUP_FEATURES_SIZE = 40
+assert calcsize(OFP_GROUP_FEATURES_PACK_STR) == OFP_GROUP_FEATURES_SIZE
+
+# struct ofp_meter_multipart_request
+OFP_METER_MULTIPART_REQUEST_PACK_STR = '!I4x'
+OFP_METER_MULTIPART_REQUEST_SIZE = 8
+assert (calcsize(OFP_METER_MULTIPART_REQUEST_PACK_STR) ==
+ OFP_METER_MULTIPART_REQUEST_SIZE)
+
+# struct ofp_meter_stats
+OFP_METER_STATS_PACK_STR = '!IH6xIQQII'
+OFP_METER_STATS_SIZE = 40
+assert calcsize(OFP_METER_STATS_PACK_STR) == OFP_METER_STATS_SIZE
+
+# struct ofp_meter_band_stats
+OFP_METER_BAND_STATS_PACK_STR = '!QQ'
+OFP_METER_BAND_STATS_SIZE = 16
+assert (calcsize(OFP_METER_BAND_STATS_PACK_STR) ==
+ OFP_METER_BAND_STATS_SIZE)
+
+# struct ofp_meter_desc
+OFP_METER_DESC_PACK_STR = '!HHI'
+OFP_METER_DESC_SIZE = 8
+assert calcsize(OFP_METER_DESC_PACK_STR) == OFP_METER_DESC_SIZE
+
+# enum ofp_meter_feature_flags
+OFPMFF_ACTION_SET = 1 << 0 # Support meter action in action set.
+OFPMFF_ANY_POSITION = 1 << 1 # Support any position in action list.
+OFPMFF_MULTI_LIST = 1 << 2 # Support multiple actions in action list.
+
+# struct ofp_meter_features
+OFP_METER_FEATURES_PACK_STR = '!IIIBB2xI4x'
+OFP_METER_FEATURES_SIZE = 24
+assert (calcsize(OFP_METER_FEATURES_PACK_STR) ==
+ OFP_METER_FEATURES_SIZE)
+
+# All ones is used to indicate all queues in a port (for stats retrieval).
+OFPQ_ALL = 0xffffffff
+
+# Min rate > 1000 means not configured.
+OFPQ_MIN_RATE_UNCFG = 0xffff
+
+# Max rate > 1000 means not configured.
+OFPQ_MAX_RATE_UNCFG = 0xffff
+
+# enum ofp_queue_desc_prop_type
+OFPQDPT_MIN_RATE = 1 # Minimum datarate guaranteed.
+OFPQDPT_MAX_RATE = 2 # Maximum datarate.
+OFPQDPT_EXPERIMENTER = 0xffff # Experimenter defined property.
+
+# struct ofp_queue_desc_prop_min_rate
+OFP_QUEUE_DESC_PROP_MIN_RATE_PACK_STR = '!HHH2x'
+OFP_QUEUE_DESC_PROP_MIN_RATE_SIZE = 8
+assert (calcsize(OFP_QUEUE_DESC_PROP_MIN_RATE_PACK_STR) ==
+ OFP_QUEUE_DESC_PROP_MIN_RATE_SIZE)
+
+# ofp_queue_desc_prop_max_rate
+OFP_QUEUE_DESC_PROP_MAX_RATE_PACK_STR = '!HHH2x'
+OFP_QUEUE_DESC_PROP_MAX_RATE_SIZE = 8
+assert (calcsize(OFP_QUEUE_DESC_PROP_MAX_RATE_PACK_STR) ==
+ OFP_QUEUE_DESC_PROP_MAX_RATE_SIZE)
+
+# struct ofp_queue_desc_prop_experimenter
+OFP_QUEUE_DESC_PROP_EXPERIMENTER_PACK_STR = '!HHII'
+OFP_QUEUE_DESC_PROP_EXPERIMENTER_SIZE = 12
+assert (calcsize(OFP_QUEUE_DESC_PROP_EXPERIMENTER_PACK_STR) ==
+ OFP_QUEUE_DESC_PROP_EXPERIMENTER_SIZE)
+
+# struct ofp_queue_multipart_request
+OFP_QUEUE_MULTIPART_REQUEST_PACK_STR = '!II'
+OFP_QUEUE_MULTIPART_REQUEST_SIZE = 8
+assert (calcsize(OFP_QUEUE_MULTIPART_REQUEST_PACK_STR) ==
+ OFP_QUEUE_MULTIPART_REQUEST_SIZE)
+
+# struct ofp_queue_desc
+OFP_QUEUE_DESC_PACK_STR = '!IIH6x'
+OFP_QUEUE_DESC_SIZE = 16
+assert calcsize(OFP_QUEUE_DESC_PACK_STR) == OFP_QUEUE_DESC_SIZE
+
+# enum ofp_queue_stats_prop_type
+OFPQSPT_EXPERIMENTER = 0xffff # Experimenter defined property.
+
+# struct ofp_queue_stats_prop_experimenter
+OFP_QUEUE_STATS_PROP_EXPERIMENTER_PACK_STR = '!HHII'
+OFP_QUEUE_STATS_PROP_EXPERIMENTER_SIZE = 12
+assert (calcsize(OFP_QUEUE_STATS_PROP_EXPERIMENTER_PACK_STR) ==
+ OFP_QUEUE_STATS_PROP_EXPERIMENTER_SIZE)
+
+# struct ofp_queue_stats
+OFP_QUEUE_STATS_PACK_STR = '!H6xIIQQQII'
+OFP_QUEUE_STATS_SIZE = 48
+assert calcsize(OFP_QUEUE_STATS_PACK_STR) == OFP_QUEUE_STATS_SIZE
+
+# struct ofp_flow_monitor_request
+_OFP_FLOW_MONITOR_REQUEST_0_PACK_STR = 'IIIHBB'
+OFP_FLOW_MONITOR_REQUEST_0_PACK_STR = ('!' +
+ _OFP_FLOW_MONITOR_REQUEST_0_PACK_STR)
+OFP_FLOW_MONITOR_REQUEST_0_SIZE = 16
+OFP_FLOW_MONITOR_REQUEST_PACK_STR = (OFP_FLOW_MONITOR_REQUEST_0_PACK_STR +
+ _OFP_MATCH_PACK_STR)
+OFP_FLOW_MONITOR_REQUEST_SIZE = 24
+assert (calcsize(OFP_FLOW_MONITOR_REQUEST_PACK_STR) ==
+ OFP_FLOW_MONITOR_REQUEST_SIZE)
+
+# enum ofp_flow_monitor_command
+OFPFMC_ADD = 0 # New flow monitor.
+OFPFMC_MODIFY = 1 # Modify existing flow monitor.
+OFPFMC_DELETE = 2 # Delete/cancel existing flow monitor.
+
+# enum ofp_flow_monitor_flags
+# When to send updates.
+OFPFMF_INITIAL = 1 << 0 # Initially matching flows.
+OFPFMF_ADD = 1 << 1 # New matching flows as they are added.
+OFPFMF_REMOVED = 1 << 2 # Old matching flows as they are removed.
+OFPFMF_MODIFY = 1 << 3 # Matching flows as they are changed.
+# What to include in updates.
+OFPFMF_INSTRUCTIONS = 1 << 4 # If set, instructions are included.
+OFPFMF_NO_ABBREV = 1 << 5 # If set, include own changes in full.
+OFPFMF_ONLY_OWN = 1 << 6 # If set, don't include other controllers.
+
+# struct ofp_flow_update_header
+OFP_FLOW_UPDATE_HEADER_PACK_STR = '!HH'
+OFP_FLOW_UPDATE_HEADER_SIZE = 4
+assert (calcsize(OFP_FLOW_UPDATE_HEADER_PACK_STR) ==
+ OFP_FLOW_UPDATE_HEADER_SIZE)
+
+# enum ofp_flow_update_event
+# struct ofp_flow_update_full.
+OFPFME_INITIAL = 0 # Flow present when flow monitor created.
+OFPFME_ADDED = 1 # Flow was added.
+OFPFME_REMOVED = 2 # Flow was removed.
+OFPFME_MODIFIED = 3 # Flow instructions were changed.
+# struct ofp_flow_update_abbrev.
+OFPFME_ABBREV = 4 # Abbreviated reply.
+# struct ofp_flow_update_header.
+OFPFME_PAUSED = 5 # Monitoring paused (out of buffer space).
+OFPFME_RESUMED = 6 # Monitoring resumed.
+
+# struct ofp_flow_update_full
+_OFP_FLOW_UPDATE_FULL_0_PACK_STR = 'HHBBHHH4xQ'
+OFP_FLOW_UPDATE_FULL_0_PACK_STR = '!' + _OFP_FLOW_UPDATE_FULL_0_PACK_STR
+OFP_FLOW_UPDATE_FULL_0_SIZE = 24
+OFP_FLOW_UPDATE_FULL_PACK_STR = (OFP_FLOW_UPDATE_FULL_0_PACK_STR +
+ _OFP_MATCH_PACK_STR)
+OFP_FLOW_UPDATE_FULL_SIZE = 32
+assert (calcsize(OFP_FLOW_UPDATE_FULL_PACK_STR) ==
+ OFP_FLOW_UPDATE_FULL_SIZE)
+
+# struct ofp_flow_update_abbrev
+OFP_FLOW_UPDATE_ABBREV_PACK_STR = '!HHI'
+OFP_FLOW_UPDATE_ABBREV_SIZE = 8
+assert (calcsize(OFP_FLOW_UPDATE_ABBREV_PACK_STR) ==
+ OFP_FLOW_UPDATE_ABBREV_SIZE)
+
+# struct ofp_flow_update_paused
+OFP_FLOW_UPDATE_PAUSED_PACK_STR = '!HH4x'
+OFP_FLOW_UPDATE_PAUSED_SIZE = 8
+assert (calcsize(OFP_FLOW_UPDATE_PAUSED_PACK_STR) ==
+ OFP_FLOW_UPDATE_PAUSED_SIZE)
+
+# enum ofp_controller_status_prop_type
+OFPCSPT_URI = 0 # Connection URI property.
+OFPCSPT_EXPERIMENTER = 0xFFFF # Experimenter property.
+
+# struct ofp_controller_status_prop_header
+_OFP_CONTROLLER_STATUS_PROP_HEADER_PACK_STR = 'HH'
+OFP_CONTROLLER_STATUS_PROP_HEADER_PACK_STR = (
+ '!' + _OFP_CONTROLLER_STATUS_PROP_HEADER_PACK_STR)
+OFP_CONTROLLER_STATUS_PROP_HEADER_SIZE = 4
+assert (calcsize(OFP_CONTROLLER_STATUS_PROP_HEADER_PACK_STR) ==
+ OFP_CONTROLLER_STATUS_PROP_HEADER_SIZE)
+
+# struct ofp_controller_status_prop_uri
+OFP_CONTROLLER_STATUS_PROP_URI_PACK_STR = '!HH'
+OFP_CONTROLLER_STATUS_PROP_URI_SIZE = 4
+assert (calcsize(OFP_CONTROLLER_STATUS_PROP_URI_PACK_STR) ==
+ OFP_CONTROLLER_STATUS_PROP_URI_SIZE)
+
+# struct ofp_controller_status_prop_experimenter
+OFP_CONTROLLER_STATUS_PROP_EXPERIMENTER_PACK_STR = '!HHII'
+OFP_CONTROLLER_STATUS_PROP_EXPERIMENTER_SIZE = 12
+assert (calcsize(OFP_CONTROLLER_STATUS_PROP_EXPERIMENTER_PACK_STR) ==
+ OFP_CONTROLLER_STATUS_PROP_EXPERIMENTER_SIZE)
+
+# enum ofp_controller_status_reason
+OFPCSR_REQUEST = 0 # Controller requested status.
+OFPCSR_CHANNEL_STATUS = 1 # Oper status of channel changed.
+OFPCSR_ROLE = 2 # Controller role changed.
+OFPCSR_CONTROLLER_ADDED = 3 # New controller added.
+OFPCSR_CONTROLLER_REMOVED = 4 # Controller removed from config.
+OFPCSR_SHORT_ID = 5 # Controller ID changed.
+OFPCSR_EXPERIMENTER = 6 # Experimenter data changed.
+
+# struct ofp_controller_status
+OFP_CONTROLLER_STATUS_PACK_STR = '!HHIBB6x'
+OFP_CONTROLLER_STATUS_SIZE = 16
+assert (calcsize(OFP_CONTROLLER_STATUS_PACK_STR) ==
+ OFP_CONTROLLER_STATUS_SIZE)
+
+# struct ofp_controller_status_header
+OFP_CONTROLLER_STATUS_HEADER_PACK_STR = OFP_CONTROLLER_STATUS_PACK_STR
+OFP_CONTROLLER_STATUS_HEADER_SIZE = OFP_CONTROLLER_STATUS_SIZE + OFP_HEADER_SIZE
+
+# enum ofp_control_channel_status
+OFPCT_STATUS_UP = 0 # Control channel is operational.
+OFPCT_STATUS_DOWN = 1 # Control channel is not operational.
+
+# struct ofp_bundle_features_prop_header
+OFP_BUNDLE_FEATURES_PROP_HEADER_PACK_STR = '!HH'
+OFP_BUNDLE_FEATURES_PROP_HEADER_SIZE = 4
+assert (calcsize(OFP_BUNDLE_FEATURES_PROP_HEADER_PACK_STR) ==
+ OFP_BUNDLE_FEATURES_PROP_HEADER_SIZE)
+
+# struct ofp_bundle_features_request
+OFP_BUNDLE_FEATURES_REQUEST_PACK_STR = '!I4x'
+OFP_BUNDLE_FEATURES_REQUEST_SIZE = 8
+assert (calcsize(OFP_BUNDLE_FEATURES_REQUEST_PACK_STR) ==
+ OFP_BUNDLE_FEATURES_REQUEST_SIZE)
+
+# enum ofp_bundle_features_prop_type
+OFPTMPBF_TIME_CAPABILITY = 0x1 # Time feature property.
+OFPTMPBF_EXPERIMENTER = 0xFFFF # Experimenter property.
+
+# struct ofp_time
+_OFP_TIME_PACK_STR = 'QI4x'
+OFP_TIME_PACK_STR = '!' + _OFP_TIME_PACK_STR
+OFP_TIME_SIZE = 16
+assert calcsize(OFP_TIME_PACK_STR) == OFP_TIME_SIZE
+
+# struct ofp_bundle_features_prop_time
+OFP_BUNDLE_FEATURES_PROP_TIME_0_PACK_STR = '!HH4x'
+OFP_BUNDLE_FEATURES_PROP_TIME_0_SIZE = 8
+OFP_BUNDLE_FEATURES_PROP_TIME_SIZE = 72
+assert (calcsize(OFP_BUNDLE_FEATURES_PROP_TIME_0_PACK_STR) +
+ OFP_TIME_SIZE * 4 == OFP_BUNDLE_FEATURES_PROP_TIME_SIZE)
+
+# enum ofp_bundle_feature_flags
+OFPBF_TIMESTAMP = 1 << 0 # Request includes a timestamp.
+OFPBF_TIME_SET_SCHED = 1 << 1 # Request includes the sched_max_future and
+ # sched_max_past parameters.
+
+# struct ofp_bundle_features
+OFP_BUNDLE_FEATURES_PACK_STR = '!H6x'
+OFP_BUNDLE_FEATURES_SIZE = 8
+assert (calcsize(OFP_BUNDLE_FEATURES_PACK_STR) ==
+ OFP_BUNDLE_FEATURES_SIZE)
+
+# struct ofp_experimenter_multipart_header
+OFP_EXPERIMENTER_MULTIPART_HEADER_PACK_STR = '!II'
+OFP_EXPERIMENTER_MULTIPART_HEADER_SIZE = 8
+assert (calcsize(OFP_EXPERIMENTER_MULTIPART_HEADER_PACK_STR) ==
+ OFP_EXPERIMENTER_MULTIPART_HEADER_SIZE)
+
+# struct ofp_experimenter_structure
+OFP_EXPERIMENTER_STRUCTURE_PACK_STR = '!II'
+OFP_EXPERIMENTER_STRUCTURE_SIZE = 8
+assert (calcsize(OFP_EXPERIMENTER_STRUCTURE_PACK_STR) ==
+ OFP_EXPERIMENTER_STRUCTURE_SIZE)
+
+# struct ofp_error_experimenter_msg
+OFP_ERROR_EXPERIMENTER_MSG_PACK_STR = '!HHI'
+OFP_ERROR_EXPERIMENTER_MSG_SIZE = 16
+assert (calcsize(OFP_ERROR_EXPERIMENTER_MSG_PACK_STR) +
+ OFP_HEADER_SIZE) == OFP_ERROR_EXPERIMENTER_MSG_SIZE
+
+# enum ofp_controller_role
+OFPCR_ROLE_NOCHANGE = 0 # Don't change current role.
+OFPCR_ROLE_EQUAL = 1 # Default role, full access.
+OFPCR_ROLE_MASTER = 2 # Full access, at most one master.
+OFPCR_ROLE_SLAVE = 3 # Read-only access.
+
+# If the switch has not requested an identifier, the short_id should be set to
+# OFPCID_UNDEFINED.
+OFPCID_UNDEFINED = 0
+
+# struct ofp_role_request
+OFP_ROLE_REQUEST_PACK_STR = '!IH2xQ'
+OFP_ROLE_REQUEST_SIZE = 24
+assert (calcsize(OFP_ROLE_REQUEST_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_ROLE_REQUEST_SIZE)
+
+# enum ofp_role_prop_type
+OFPRPT_EXPERIMENTER = 0xFFFF # Experimenter property.
+
+# struct ofp_role_prop_header
+_OFP_ROLE_PROP_HEADER_PACK_STR = 'HH'
+OFP_ROLE_PROP_HEADER_PACK_STR = '!' + _OFP_ROLE_PROP_HEADER_PACK_STR
+OFP_ROLE_PROP_HEADER_SIZE = 4
+assert (calcsize(OFP_ROLE_PROP_HEADER_PACK_STR) ==
+ OFP_ROLE_PROP_HEADER_SIZE)
+
+# struct ofp_role_prop_experimenter
+OFP_ROLE_PROP_EXPERIMENTER_PACK_STR = '!HHII'
+OFP_ROLE_PROP_EXPERIMENTER_SIZE = 12
+assert (calcsize(OFP_ROLE_PROP_EXPERIMENTER_PACK_STR) ==
+ OFP_ROLE_PROP_EXPERIMENTER_SIZE)
+
+# enum ofp_controller_role_reason
+OFPCRR_MASTER_REQUEST = 0 # Another controller asked to be master.
+OFPCRR_CONFIG = 1 # Configuration changed on the switch.
+OFPCRR_EXPERIMENTER = 2 # Experimenter data changed.
+
+# struct ofp_role_status
+OFP_ROLE_STATUS_PACK_STR = '!IB3xQ'
+OFP_ROLE_STATUS_SIZE = 24
+assert (calcsize(OFP_ROLE_STATUS_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_ROLE_STATUS_SIZE)
+
+# enum ofp_async_config_prop_type
+OFPACPT_PACKET_IN_SLAVE = 0 # Packet-in mask for slave.
+OFPACPT_PACKET_IN_MASTER = 1 # Packet-in mask for master.
+OFPACPT_PORT_STATUS_SLAVE = 2 # Port-status mask for slave.
+OFPACPT_PORT_STATUS_MASTER = 3 # Port-status mask for master.
+OFPACPT_FLOW_REMOVED_SLAVE = 4 # Flow removed mask for slave.
+OFPACPT_FLOW_REMOVED_MASTER = 5 # Flow removed mask for master.
+OFPACPT_ROLE_STATUS_SLAVE = 6 # Role status mask for slave.
+OFPACPT_ROLE_STATUS_MASTER = 7 # Role status mask for master.
+OFPACPT_TABLE_STATUS_SLAVE = 8 # Table status mask for slave.
+OFPACPT_TABLE_STATUS_MASTER = 9 # Table status mask for master.
+OFPACPT_REQUESTFORWARD_SLAVE = 10 # RequestForward mask for slave.
+OFPACPT_REQUESTFORWARD_MASTER = 11 # RequestForward mask for master.
+OFPACPT_FLOW_STATS_SLAVE = 12 # Flow stats mask for slave.
+OFPACPT_FLOW_STATS_MASTER = 13 # Flow stats mask for master.
+OFPACPT_CONT_STATUS_SLAVE = 14 # Controller status mask for slave.
+OFPACPT_CONT_STATUS_MASTER = 15 # Controller status mask for master.
+OFPACPT_EXPERIMENTER_SLAVE = 0xFFFE # Experimenter for slave.
+OFPACPT_EXPERIMENTER_MASTER = 0xFFFF # Experimenter for master.
+
+# struct ofp_async_config_prop_reasons
+OFP_ASYNC_CONFIG_PROP_REASONS_PACK_STR = '!HHI'
+OFP_ASYNC_CONFIG_PROP_REASONS_SIZE = 8
+assert (calcsize(OFP_ASYNC_CONFIG_PROP_REASONS_PACK_STR) ==
+ OFP_ASYNC_CONFIG_PROP_REASONS_SIZE)
+
+# struct ofp_async_config_prop_experimenter
+OFP_ASYNC_CONFIG_PROP_EXPERIMENTER_PACK_STR = '!HHII'
+OFP_ASYNC_CONFIG_PROP_EXPERIMENTER_SIZE = 12
+assert (calcsize(OFP_ASYNC_CONFIG_PROP_EXPERIMENTER_PACK_STR) ==
+ OFP_ASYNC_CONFIG_PROP_EXPERIMENTER_SIZE)
+
+# enum ofp_table_reason
+OFPTR_VACANCY_DOWN = 3 # Vacancy down threshold event.
+OFPTR_VACANCY_UP = 4 # Vacancy up threshold event.
+
+# struct ofp_table_status
+_OFP_TABLE_STATUS_0_PACK_STR = 'B7x'
+OFP_TABLE_STATUS_0_PACK_STR = '!' + _OFP_TABLE_STATUS_0_PACK_STR
+OFP_TABLE_STATUS_0_SIZE = 16
+OFP_TABLE_STATUS_PACK_STR = (OFP_TABLE_STATUS_0_PACK_STR +
+ _OFP_TABLE_DESC_PACK_STR)
+OFP_TABLE_STATUS_SIZE = 24
+assert (calcsize(OFP_TABLE_STATUS_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_TABLE_STATUS_SIZE)
+
+# enum ofp_requestforward_reason
+OFPRFR_GROUP_MOD = 0 # Forward group mod requests.
+OFPRFR_METER_MOD = 1 # Forward meter mod requests.
+
+# enum ofp_bundle_prop_type
+OFPBPT_TIME = 1 # Time property.
+OFPBPT_EXPERIMENTER = 0xFFFF # Experimenter property.
+
+# struct ofp_bundle_prop_experimenter
+OFP_BUNDLE_PROP_EXPERIMENTER_PACK_STR = '!HHII'
+OFP_BUNDLE_PROP_EXPERIMENTER_SIZE = 12
+assert (calcsize(OFP_BUNDLE_PROP_EXPERIMENTER_PACK_STR) ==
+ OFP_BUNDLE_PROP_EXPERIMENTER_SIZE)
+
+# struct ofp_bundle_prop_time
+OFP_BUNDLE_PROP_TIME_PACK_STR0 = '!HH4x'
+OFP_BUNDLE_PROP_TIME_PACK_STR0_SIZE = 8
+assert (calcsize(OFP_BUNDLE_PROP_TIME_PACK_STR0) ==
+ OFP_BUNDLE_PROP_TIME_PACK_STR0_SIZE)
+OFP_BUNDLE_PROP_TIME_PACK_STR = (OFP_BUNDLE_PROP_TIME_PACK_STR0 +
+ _OFP_TIME_PACK_STR)
+OFP_BUNDLE_PROP_TIME_PACK_STR_SIZE = 24
+assert (calcsize(OFP_BUNDLE_PROP_TIME_PACK_STR) ==
+ OFP_BUNDLE_PROP_TIME_PACK_STR_SIZE)
+
+# enum ofp_bundle_ctrl_type
+OFPBCT_OPEN_REQUEST = 0
+OFPBCT_OPEN_REPLY = 1
+OFPBCT_CLOSE_REQUEST = 2
+OFPBCT_CLOSE_REPLY = 3
+OFPBCT_COMMIT_REQUEST = 4
+OFPBCT_COMMIT_REPLY = 5
+OFPBCT_DISCARD_REQUEST = 6
+OFPBCT_DISCARD_REPLY = 7
+
+# enum ofp_bundle_flags
+OFPBF_ATOMIC = 1 << 0 # Execute atomically.
+OFPBF_ORDERED = 1 << 1 # Execute in specified order.
+OFPBF_TIME = 1 << 2 # Execute in specified time.
+
+# struct ofp_bundle_ctrl_msg
+OFP_BUNDLE_CTRL_MSG_PACK_STR = '!IHH'
+OFP_BUNDLE_CTRL_MSG_SIZE = 16
+assert (calcsize(OFP_BUNDLE_CTRL_MSG_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_BUNDLE_CTRL_MSG_SIZE)
+
+# struct ofp_bundle_add_msg
+_OFP_BUNDLE_ADD_MSG_0_PACK_STR = 'I2xH'
+OFP_BUNDLE_ADD_MSG_0_PACK_STR = '!' + _OFP_BUNDLE_ADD_MSG_0_PACK_STR
+OFP_BUNDLE_ADD_MSG_PACK_STR = (OFP_BUNDLE_ADD_MSG_0_PACK_STR +
+ _OFP_HEADER_PACK_STR)
+OFP_BUNDLE_ADD_MSG_SIZE = 24
+assert (calcsize(OFP_BUNDLE_ADD_MSG_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_BUNDLE_ADD_MSG_SIZE)
+
+# Note: struct ofp_prop_experimenter is specific to this implementation.
+# It does not have a corresponding structure in the specification.
+# This structure defines common structure for ofp_*_prop_experimenter.
+# struct ofp_prop_experimenter
+OFP_PROP_EXPERIMENTER_PACK_STR = '!HHII'
+OFP_PROP_EXPERIMENTER_SIZE = 12
+assert (calcsize(OFP_PROP_EXPERIMENTER_PACK_STR) ==
+ OFP_PROP_EXPERIMENTER_SIZE)
+
+# generate utility methods
+ofproto_utils.generate(__name__)
+
+# define constants
+OFP_VERSION = 0x06
+OFP_TCP_PORT = 6653
+OFP_SSL_PORT = 6653
+MAX_XID = 0xffffffff
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