--- /dev/null
+# Copyright (C) 2012 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 1.2 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 struct import calcsize
+
+# struct ofp_header
+OFP_HEADER_PACK_STR = '!BBHI'
+OFP_HEADER_SIZE = 8
+assert calcsize(OFP_HEADER_PACK_STR) == OFP_HEADER_SIZE
+
+# enum ofp_type
+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
+# Immutable message
+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
+
+OFPT_PACKET_IN = 10 # Async message
+OFPT_FLOW_REMOVED = 11 # Async message
+OFPT_PORT_STATUS = 12 # Async message
+
+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
+
+OFPT_STATS_REQUEST = 18 # Controller/switch message
+OFPT_STATS_REPLY = 19 # Controller/switch message
+
+OFPT_BARRIER_REQUEST = 20 # Controller/switch message
+OFPT_BARRIER_REPLY = 21 # Controller/switch message
+
+OFPT_QUEUE_GET_CONFIG_REQUEST = 22 # Controller/switch message
+OFPT_QUEUE_GET_CONFIG_REPLY = 23 # Controller/switch message
+
+OFPT_ROLE_REQUEST = 24 # Controller/switch message
+OFPT_ROLE_REPLY = 25 # Controller/switch message
+
+# 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 = 'I4x' + OFP_ETH_ALEN_STR + 's' + '2x' + \
+ str(OFP_MAX_PORT_NAME_LEN) + 's' + 'IIIIIIII'
+OFP_PORT_PACK_STR = '!' + _OFP_PORT_PACK_STR
+OFP_PORT_SIZE = 64
+assert calcsize(OFP_PORT_PACK_STR) == OFP_PORT_SIZE
+
+# 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_no
+OFPP_MAX = 0xffffff00
+OFPP_IN_PORT = 0xfffffff8 # Send the packet out the input port. This
+ # virtual port must be explicitly used
+ # in order to send back out of the input
+ # port.
+OFPP_TABLE = 0xfffffff9 # Perform actions in flow table.
+ # NB: This can only be the destination
+ # port for packet-out messages.
+OFPP_NORMAL = 0xfffffffa # Process with normal L2/L3 switching.
+OFPP_FLOOD = 0xfffffffb # All physical ports except input port and
+ # those disabled by STP.
+OFPP_ALL = 0xfffffffc # All physical ports except input port.
+OFPP_CONTROLLER = 0xfffffffd # Send to controller.
+OFPP_LOCAL = 0xfffffffe # Local openflow "port".
+OFPP_ANY = 0xffffffff # Not associated with a physical port.
+
+# All ones is used to indicate all queues in a port (for stats retrieval).
+OFPQ_ALL = 0xffffffff
+
+# 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.
+
+# struct ofp_packet_queue
+OFP_PACKET_QUEUE_PACK_STR = '!IIH6x'
+OFP_PACKET_QUEUE_SIZE = 16
+assert calcsize(OFP_PACKET_QUEUE_PACK_STR) == OFP_PACKET_QUEUE_SIZE
+
+# enum ofp_queue_properties
+OFPQT_MIN_RATE = 1 # Minimum datarate guaranteed.
+OFPQT_MAX_RATE = 2 # Maximum datarate.
+OFPQT_EXPERIMENTER = 0xffff # Experimenter defined property.
+
+# struct ofp_queue_prop_header
+OFP_QUEUE_PROP_HEADER_PACK_STR = '!HH4x'
+OFP_QUEUE_PROP_HEADER_SIZE = 8
+assert calcsize(OFP_QUEUE_PROP_HEADER_PACK_STR) == OFP_QUEUE_PROP_HEADER_SIZE
+
+# struct ofp_queue_prop_min_rate
+OFP_QUEUE_PROP_MIN_RATE_PACK_STR = '!H6x'
+OFP_QUEUE_PROP_MIN_RATE_SIZE = 16
+assert (calcsize(OFP_QUEUE_PROP_MIN_RATE_PACK_STR) +
+ OFP_QUEUE_PROP_HEADER_SIZE) == OFP_QUEUE_PROP_MIN_RATE_SIZE
+
+# struct ofp_queue_prop_max_rate
+OFP_QUEUE_PROP_MAX_RATE_PACK_STR = '!H6x'
+OFP_QUEUE_PROP_MAX_RATE_SIZE = 16
+assert (calcsize(OFP_QUEUE_PROP_MAX_RATE_PACK_STR) +
+ OFP_QUEUE_PROP_HEADER_SIZE) == OFP_QUEUE_PROP_MAX_RATE_SIZE
+
+# struct ofp_queue_prop_experimenter
+OFP_QUEUE_PROP_EXPERIMENTER_PACK_STR = '!I4x'
+OFP_QUEUE_PROP_EXPERIMENTER_SIZE = 16
+assert (calcsize(OFP_QUEUE_PROP_EXPERIMENTER_PACK_STR) +
+ OFP_QUEUE_PROP_HEADER_SIZE) == OFP_QUEUE_PROP_EXPERIMENTER_SIZE
+
+# struct ofp_match
+_OFP_MATCH_PACK_STR = 'HHBBBB'
+OFP_MATCH_PACK_STR = '!' + _OFP_MATCH_PACK_STR
+OFP_MATCH_SIZE = 8
+assert calcsize(OFP_MATCH_PACK_STR) == OFP_MATCH_SIZE
+
+# enum ofp_match_type
+OFPMT_STANDARD = 0 # Deprecated
+OFPMT_OXM = 1 # OpenFlow Extensible Match
+
+# 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_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.
+
+# struct ofp_oxm_experimenter_header
+OFP_OXM_EXPERIMENTER_HEADER_PACK_STR = '!II'
+OFP_OXM_EXPERIMENTER_HEADER_SIZE = 8
+assert (calcsize(OFP_OXM_EXPERIMENTER_HEADER_PACK_STR) ==
+ OFP_OXM_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_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_instaruction_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_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_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
+
+# 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
+
+# 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_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_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_aciton_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_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_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_field
+OFP_ACTION_SET_FIELD_PACK_STR = '!HH4B'
+OFP_ACTION_SET_FIELD_SIZE = 8
+assert calcsize(OFP_ACTION_SET_FIELD_PACK_STR) == OFP_ACTION_SET_FIELD_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)
+
+# struct ofp_switch_feature
+OFP_SWITCH_FEATURES_PACK_STR = '!QIB3xII'
+OFP_SWITCH_FEATURES_SIZE = 32
+assert (calcsize(OFP_SWITCH_FEATURES_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_SWITCH_FEATURES_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.
+
+# 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_config_flags
+OFPC_FRAG_NORMAL = 0 # No special handling for fragments.
+OFPC_FRAG_DROP = 1 # Drop fragments.
+OFPC_FRAG_REASM = 2 # Reassemble (only if OFPC_IP_REASM set).
+OFPC_FRAG_MASK = 3
+OFPC_INVALID_TTL_TO_CONTROLLER = 1 << 2 # Send packets with invalid
+ # TTL to the controller.
+
+# enum ofp_table
+OFPTT_MAX = 0xfe
+OFPTT_ALL = 0xff
+
+# 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_table_config
+OFPTC_TABLE_MISS_CONTROLLER = 0
+OFPTC_TABLE_MISS_CONTINUE = 1 << 0
+OFPTC_TABLE_MISS_DROP = 1 << 1
+OFPTC_TABLE_MISS_MASK = 3
+
+# struct ofp_flow_mod
+_OFP_FLOW_MOD_PACK_STR0 = 'QQBBHHHIIIH2x'
+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_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.
+
+# 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.
+
+# struct ofp_group_mod
+OFP_GROUP_MOD_PACK_STR = '!HBxI'
+OFP_GROUP_MOD_SIZE = 16
+assert (calcsize(OFP_GROUP_MOD_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_GROUP_MOD_SIZE)
+
+# enum ofp_group
+OFPG_MAX = 0xffffff00
+OFPG_ALL = 0xfffffffc
+OFPG_ANY = 0xffffffff
+
+# enum ofp_group_mod_command
+OFPGC_ADD = 0 # New group.
+OFPGC_MODIFY = 1 # Modify all matching groups.
+OFPGC_DELETE = 2 # Deletes all matching groups.
+
+# 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.
+
+# struct ofp_bucket
+OFP_BUCKET_PACK_STR = '!HHII4x'
+OFP_BUCKET_SIZE = 16
+assert calcsize(OFP_BUCKET_PACK_STR) == OFP_BUCKET_SIZE
+
+# struct ofp_port_mod
+OFP_PORT_MOD_PACK_STR = '!I4x' + OFP_ETH_ALEN_STR + 's' + '2xIII4x'
+OFP_PORT_MOD_SIZE = 40
+assert calcsize(OFP_PORT_MOD_PACK_STR) + OFP_HEADER_SIZE == OFP_PORT_MOD_SIZE
+
+# sturct ofp_stats_request
+OFP_STATS_REQUEST_PACK_STR = '!HH4x'
+OFP_STATS_REQUEST_SIZE = 16
+assert (calcsize(OFP_STATS_REQUEST_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_STATS_REQUEST_SIZE)
+
+# enum ofp_stats_reply_flags
+OFPSF_REPLY_MORE = 1 << 0 # More replies to follow.
+
+# struct ofp_stats_reply
+OFP_STATS_REPLY_PACK_STR = '!HH4x'
+OFP_STATS_REPLY_SIZE = 16
+assert (calcsize(OFP_STATS_REPLY_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_STATS_REPLY_SIZE)
+
+# enum ofp_stats_types
+OFPST_DESC = 0
+OFPST_FLOW = 1
+OFPST_AGGREGATE = 2
+OFPST_TABLE = 3
+OFPST_PORT = 4
+OFPST_QUEUE = 5
+OFPST_GROUP = 6
+OFPST_GROUP_DESC = 7
+OFPST_GROUP_FEATURES = 8
+OFPST_EXPERIMENTER = 0xffff
+
+# struct ofp_desc_stats
+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_STATS_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_STATS_SIZE = 1056
+assert calcsize(OFP_DESC_STATS_PACK_STR) == OFP_DESC_STATS_SIZE
+
+# struct ofp_flow_stats_request
+OFP_FLOW_STATS_REQUEST_PACK_STR = '!B3xII4xQQ'
+OFP_FLOW_STATS_REQUEST_SIZE = 40
+assert (calcsize(OFP_FLOW_STATS_REQUEST_PACK_STR) + OFP_MATCH_SIZE ==
+ OFP_FLOW_STATS_REQUEST_SIZE)
+
+# struct ofp_flow_stats
+OFP_FLOW_STATS_PACK_STR = '!HBxIIHHH6xQQQ'
+OFP_FLOW_STATS_SIZE = 56
+assert (calcsize(OFP_FLOW_STATS_PACK_STR) + OFP_MATCH_SIZE ==
+ OFP_FLOW_STATS_SIZE)
+
+# struct ofp_aggregate_stats_request
+OFP_AGGREGATE_STATS_REQUEST_PACK_STR = '!B3xII4xQQ'
+OFP_AGGREGATE_STATS_REQUEST_SIZE = 40
+assert (calcsize(OFP_AGGREGATE_STATS_REQUEST_PACK_STR) + OFP_MATCH_SIZE ==
+ OFP_AGGREGATE_STATS_REQUEST_SIZE)
+
+# struct ofp_aggregate_stats_reply
+OFP_AGGREGATE_STATS_REPLY_PACK_STR = '!QQI4x'
+OFP_AGGREGATE_STATS_REPLY_SIZE = 24
+assert (calcsize(OFP_AGGREGATE_STATS_REPLY_PACK_STR) ==
+ OFP_AGGREGATE_STATS_REPLY_SIZE)
+
+# sturct ofp_table_stats
+OFP_TABLE_STATS_SIZE = 128
+OFP_MAX_TABLE_NAME_LEN = 32
+OFP_MAX_TABLE_NAME_LEN_STR = str(OFP_MAX_TABLE_NAME_LEN)
+OFP_TABLE_STATS_PACK_STR = '!B7x' + OFP_MAX_TABLE_NAME_LEN_STR + \
+ 'sQQIIQQQQIIIIQQ'
+assert calcsize(OFP_TABLE_STATS_PACK_STR) == OFP_TABLE_STATS_SIZE
+
+# struct ofp_port_stats_request
+OFP_PORT_STATS_REQUEST_PACK_STR = '!I4x'
+OFP_PORT_STATS_REQUEST_SIZE = 8
+assert calcsize(OFP_PORT_STATS_REQUEST_PACK_STR) == OFP_PORT_STATS_REQUEST_SIZE
+
+# struct ofp_port_stats
+OFP_PORT_STATS_PACK_STR = '!I4xQQQQQQQQQQQQ'
+OFP_PORT_STATS_SIZE = 104
+assert calcsize(OFP_PORT_STATS_PACK_STR) == OFP_PORT_STATS_SIZE
+
+# struct ofp_queue_stats_request
+OFP_QUEUE_STATS_REQUEST_PACK_STR = '!II'
+OFP_QUEUE_STATS_REQUEST_SIZE = 8
+assert (calcsize(OFP_QUEUE_STATS_REQUEST_PACK_STR) ==
+ OFP_QUEUE_STATS_REQUEST_SIZE)
+
+# struct ofp_queue_stats
+OFP_QUEUE_STATS_PACK_STR = '!IIQQQ'
+OFP_QUEUE_STATS_SIZE = 32
+assert calcsize(OFP_QUEUE_STATS_PACK_STR) == OFP_QUEUE_STATS_SIZE
+
+# struct ofp_group_stats_request
+OFP_GROUP_STATS_REQUEST_PACK_STR = '!I4x'
+OFP_GROUP_STATS_REQUEST_SIZE = 8
+assert (calcsize(OFP_GROUP_STATS_REQUEST_PACK_STR) ==
+ OFP_GROUP_STATS_REQUEST_SIZE)
+
+# struct ofp_group_stats
+OFP_GROUP_STATS_PACK_STR = '!H2xII4xQQ'
+OFP_GROUP_STATS_SIZE = 32
+assert calcsize(OFP_GROUP_STATS_PACK_STR) == OFP_GROUP_STATS_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_desc_stats
+OFP_GROUP_DESC_STATS_PACK_STR = '!HBxI'
+OFP_GROUP_DESC_STATS_SIZE = 8
+assert calcsize(OFP_GROUP_DESC_STATS_PACK_STR) == OFP_GROUP_DESC_STATS_SIZE
+
+# struct ofp_group_features_stats
+OFP_GROUP_FEATURES_STATS_PACK_STR = '!II4I4I'
+OFP_GROUP_FEATURES_STATS_SIZE = 40
+assert (calcsize(OFP_GROUP_FEATURES_STATS_PACK_STR) ==
+ OFP_GROUP_FEATURES_STATS_SIZE)
+
+# enmu 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_experimenter_stats_header
+OFP_EXPERIMENTER_STATS_HEADER_PACK_STR = '!II'
+OFP_EXPERIMENTER_STATS_HEADER_SIZE = 8
+assert (calcsize(OFP_EXPERIMENTER_STATS_HEADER_PACK_STR) ==
+ OFP_EXPERIMENTER_STATS_HEADER_SIZE)
+
+# struct opf_queue_get_config_request
+OFP_QUEUE_GET_CONFIG_REQUEST_PACK_STR = '!I4x'
+OFP_QUEUE_GET_CONFIG_REQUEST_SIZE = 16
+assert (calcsize(OFP_QUEUE_GET_CONFIG_REQUEST_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_QUEUE_GET_CONFIG_REQUEST_SIZE)
+
+# struct ofp_queue_get_config_reply
+OFP_QUEUE_GET_CONFIG_REPLY_PACK_STR = '!I4x'
+OFP_QUEUE_GET_CONFIG_REPLY_SIZE = 16
+assert (calcsize(OFP_QUEUE_GET_CONFIG_REPLY_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_QUEUE_GET_CONFIG_REPLY_SIZE)
+
+# struct ofp_packet_out
+OFP_PACKET_OUT_PACK_STR = '!IIH6x'
+OFP_PACKET_OUT_SIZE = 24
+assert (calcsize(OFP_PACKET_OUT_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_PACKET_OUT_SIZE)
+
+# struct ofp_role_request
+OFP_ROLE_REQUEST_PACK_STR = '!I4xQ'
+OFP_ROLE_REQUEST_SIZE = 24
+assert (calcsize(OFP_ROLE_REQUEST_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_ROLE_REQUEST_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.
+
+# struct ofp_packet_in
+OFP_PACKET_IN_PACK_STR = '!IHBB'
+OFP_PACKET_IN_SIZE = 24
+assert (calcsize(OFP_PACKET_IN_PACK_STR) + OFP_MATCH_SIZE + OFP_HEADER_SIZE ==
+ OFP_PACKET_IN_SIZE)
+
+# enum ofp_packet_in_reason
+OFPR_NO_MATCH = 0 # No matching flow.
+OFPR_ACTION = 1 # Action explicitly output to controller.
+OFPR_INVALID_TTL = 2 # Packet has invalid TTL.
+
+# struct ofp_flow_removed
+_OFP_FLOW_REMOVED_PACK_STR0 = 'QHBBIIHHQQ'
+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 = 56
+assert (calcsize(OFP_FLOW_REMOVED_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_FLOW_REMOVED_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.
+
+# 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 = 80
+assert (calcsize(OFP_PORT_STATUS_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_PORT_STATUS_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_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
+
+# 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_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_STAT = 2 # ofp_stats_msg.type not supported.
+OFPBRC_BAD_EXPERIMENTER = 3 # Experimenter id not supported
+ # (in ofp_experimenter_header
+ # or ofp_stats_request or ofp_stats_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.
+OFPBRC_BAD_PACKET = 12 # Invalid packet in packet-out
+
+# enum ofp_bad_action_code
+OFPBAC_BAD_TYPE = 0 # Unknown 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.
+
+# 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.
+
+# 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.
+
+# enum ofp_group_mod_failed_code
+OFPGMFC_GROUP_EXISTS = 0
+OFPGMFC_INVALID_GROUP = 1
+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.
+
+# 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 len is invalid.
+OFPQCFC_EPERM = 2 # Permissions error (depracated).
+ # New or updated Ryu applications shall use
+ # OFPSCFC_EPERM. The variable name is a typo of
+ # in specifications before v1.3.1 (EXT-208).
+OFPSCFC_EPERM = 2 # Permissions error.
+ # Ported back to ofproto_v1_2 for consistency with
+ # later OF specs (EXT-208).
+
+# 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.
+
+# 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)
+
+
+# OXM
+
+
+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),
+ # EXT-256 Old version of ONF Extension
+ oxm_fields.OldONFExperimenter('pbb_uca', 2560, type_desc.Int1),
+ # EXT-109 TCP flags match field Extension
+ oxm_fields.ONFExperimenter('tcp_flags', 42, type_desc.Int2),
+ # EXT-233 Output match Extension
+ # NOTE(yamamoto): The spec says uint64_t but I assume it's an error.
+ oxm_fields.ONFExperimenter('actset_output', 43, type_desc.Int4),
+] + nicira_ext.oxm_types
+
+oxm_fields.generate(__name__)
+
+# generate utility methods
+ofproto_utils.generate(__name__)
+
+# define constants
+OFP_VERSION = 0x03
+OFP_TCP_PORT = 6633
+
+MAX_XID = 0xffffffff
+
+OFP_NO_BUFFER = 0xffffffff