--- /dev/null
+# Copyright (C) 2011, 2012 Nippon Telegraph and Telephone Corporation.
+# Copyright (C) 2011, 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 1.0 definitions.
+"""
+
+from ryu.ofproto import ofproto_utils
+from ryu.ofproto.nicira_ext import * # For API compat
+
+MAX_XID = 0xffffffff
+
+# define constants
+OFP_VERSION = 0x01
+OFP_MAX_TABLE_NAME_LEN = 32
+OFP_MAX_TABLE_NAME_LEN_STR = str(OFP_MAX_TABLE_NAME_LEN)
+OFP_MAX_PORT_NAME_LEN = 16
+OFP_TCP_PORT = 6633
+OFP_SSL_PORT = 6633
+OFP_ETH_ALEN = 6
+OFP_ETH_ALEN_STR = str(OFP_ETH_ALEN)
+
+OFP_NO_BUFFER = 0xffffffff
+
+# enum ofp_port
+OFPP_MAX = 0xff00
+OFPP_IN_PORT = 0xfff8 # 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 = 0xfff9 # Perform actions in flow table.
+ # NB: This can only be the destination
+ # port for packet-out messages.
+OFPP_NORMAL = 0xfffa # Process with normal L2/L3 switching.
+OFPP_FLOOD = 0xfffb # All physical ports except input port and
+ # those disabled by STP.
+OFPP_ALL = 0xfffc # All physical ports except input port.
+OFPP_CONTROLLER = 0xfffd # Send to controller.
+OFPP_LOCAL = 0xfffe # Local openflow "port".
+OFPP_NONE = 0xffff # Not associated with a physical port.
+
+# 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_VENDOR = 4 # Symmetric 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_PORT_MOD = 15 # Controller/switch message
+OFPT_STATS_REQUEST = 16 # Controller/switch message
+OFPT_STATS_REPLY = 17 # Controller/switch message
+OFPT_BARRIER_REQUEST = 18 # Controller/switch message
+OFPT_BARRIER_REPLY = 19 # Controller/switch message
+OFPT_QUEUE_GET_CONFIG_REQUEST = 20 # Controller/switch message
+OFPT_QUEUE_GET_CONFIG_REPLY = 21 # Controller/switch message
+
+OFP_HEADER_PACK_STR = '!BBHI'
+OFP_HEADER_SIZE = 8
+OFP_MSG_SIZE_MAX = 65535
+assert calcsize(OFP_HEADER_PACK_STR) == OFP_HEADER_SIZE
+
+# define constants
+OFP_DEFAULT_MISS_SEND_LEN = 128
+
+# 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_NX_MATCH = 3 # Make first fragments available for matching.
+OFPC_FRAG_MASK = 3
+
+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_capabilities
+OFPC_FLOW_STATS = 1 << 0 # Flow statistics.
+OFPC_TABLE_STATS = 1 << 1 # Table statistics.
+OFPC_PORT_STATS = 1 << 2 # Port statistics.
+OFPC_STP = 1 << 3 # 802.1d spanning tree.
+OFPC_RESERVED = 1 << 4 # Reserved, must not be set.
+OFPC_IP_REASM = 1 << 5 # Can reassemble IP fragments.
+OFPC_QUEUE_STATS = 1 << 6 # Queue statistics.
+OFPC_ARP_MATCH_IP = 1 << 7 # Match IP addresses in ARP pkts.
+
+# enum ofp_port_config
+OFPPC_PORT_DOWN = 1 << 0 # Port is administratively down.
+OFPPC_NO_STP = 1 << 1 # Disable 802.1D spanning tree on port.
+OFPPC_NO_RECV = 1 << 2 # Drop all packets except 802.1D
+ # spanning tree packets
+OFPPC_NO_RECV_STP = 1 << 3 # Drop received 802.1D STP packets.
+OFPPC_NO_FLOOD = 1 << 4 # Do not include this port when flooding.
+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_STP_LISTEN = 0 << 8 # Not learning or relaying frames.
+OFPPS_STP_LEARN = 1 << 8 # Learning but not relaying frames.
+OFPPS_STP_FORWARD = 2 << 8 # Learning and relaying frames.
+OFPPS_STP_BLOCK = 3 << 8 # Not part of spanning tree.
+OFPPS_STP_MASK = 3 << 8 # Bit mask for OFPPS_STP_* values.
+
+# 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_COPPER = 1 << 7 # Copper medium.
+OFPPF_FIBER = 1 << 8 # Fiber medium.
+OFPPF_AUTONEG = 1 << 9 # Auto-negotiation.
+OFPPF_PAUSE = 1 << 10 # Pause.
+OFPPF_PAUSE_ASYM = 1 << 11 # Asymmetric pause.
+
+_OFP_PHY_PORT_PACK_STR = 'H' + OFP_ETH_ALEN_STR + 's' + \
+ str(OFP_MAX_PORT_NAME_LEN) + 'sIIIIII'
+OFP_PHY_PORT_PACK_STR = '!' + _OFP_PHY_PORT_PACK_STR
+OFP_PHY_PORT_SIZE = 48
+assert calcsize(OFP_PHY_PORT_PACK_STR) == OFP_PHY_PORT_SIZE
+
+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_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.
+
+OFP_PORT_STATUS_PACK_STR = '!B7x' + _OFP_PHY_PORT_PACK_STR
+OFP_PORT_STATUS_DESC_OFFSET = OFP_HEADER_SIZE + 8
+OFP_PORT_STATUS_SIZE = 64
+assert (calcsize(OFP_PORT_STATUS_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_PORT_STATUS_SIZE)
+
+OFP_PORT_MOD_PACK_STR = '!H' + OFP_ETH_ALEN_STR + 'sIII4x'
+OFP_PORT_MOD_SIZE = 32
+assert calcsize(OFP_PORT_MOD_PACK_STR) + OFP_HEADER_SIZE == OFP_PORT_MOD_SIZE
+
+# enum ofp_packet_in_reason
+OFPR_NO_MATCH = 0 # No matching flow.
+OFPR_ACTION = 1 # Action explicitly output to controller.
+
+# OF1.0 spec says OFP_ASSERT(sizeof(struct ofp_packet_in) == 20).
+# It's quite bogus as it assumes a specific class of C implementations.
+# (well, if it was C. it's unclear from the spec itself.)
+# We just use the real size of the structure as this is not C. This
+# agrees with on-wire messages OpenFlow Reference Release and Open vSwitch
+# produce.
+OFP_PACKET_IN_PACK_STR = '!IHHBx'
+OFP_PACKET_IN_SIZE = 18
+assert calcsize(OFP_PACKET_IN_PACK_STR) + OFP_HEADER_SIZE == OFP_PACKET_IN_SIZE
+
+# enum ofp_action_type
+OFPAT_OUTPUT = 0 # Output to switch port.
+OFPAT_SET_VLAN_VID = 1 # Set the 802.1q VLAN id.
+OFPAT_SET_VLAN_PCP = 2 # Set the 802.1q priority.
+OFPAT_STRIP_VLAN = 3 # Strip the 802.1q header.
+OFPAT_SET_DL_SRC = 4 # Ethernet source address.
+OFPAT_SET_DL_DST = 5 # Ethernet destination address.
+OFPAT_SET_NW_SRC = 6 # IP source address.
+OFPAT_SET_NW_DST = 7 # IP destination address.
+OFPAT_SET_NW_TOS = 8 # IP ToS (DSCP field, 6 bits).
+OFPAT_SET_TP_SRC = 9 # TCP/UDP source port.
+OFPAT_SET_TP_DST = 10 # TCP/UDP destination port.
+OFPAT_ENQUEUE = 11 # Output to queue.
+OFPAT_VENDOR = 0xffff
+
+OFP_ACTION_OUTPUT_PACK_STR = '!HHHH'
+OFP_ACTION_OUTPUT_SIZE = 8
+assert calcsize(OFP_ACTION_OUTPUT_PACK_STR) == OFP_ACTION_OUTPUT_SIZE
+
+OFP_ACTION_VLAN_VID_PACK_STR = '!HHH2x'
+OFP_ACTION_VLAN_VID_SIZE = 8
+assert calcsize(OFP_ACTION_VLAN_VID_PACK_STR) == OFP_ACTION_VLAN_VID_SIZE
+
+OFP_ACTION_VLAN_PCP_PACK_STR = '!HHB3x'
+OFP_ACTION_VLAN_PCP_SIZE = 8
+assert calcsize(OFP_ACTION_VLAN_PCP_PACK_STR) == OFP_ACTION_VLAN_PCP_SIZE
+
+OFP_ACTION_DL_ADDR_PACK_STR = '!HH' + OFP_ETH_ALEN_STR + 's6x'
+OFP_ACTION_DL_ADDR_SIZE = 16
+assert calcsize(OFP_ACTION_DL_ADDR_PACK_STR) == OFP_ACTION_DL_ADDR_SIZE
+
+OFP_ACTION_NW_ADDR_PACK_STR = '!HHI'
+OFP_ACTION_NW_ADDR_SIZE = 8
+assert calcsize(OFP_ACTION_NW_ADDR_PACK_STR) == OFP_ACTION_NW_ADDR_SIZE
+
+OFP_ACTION_NW_TOS_PACK_STR = '!HHB3x'
+OFP_ACTION_NW_TOS_SIZE = 8
+assert calcsize(OFP_ACTION_NW_TOS_PACK_STR) == OFP_ACTION_NW_TOS_SIZE
+
+OFP_ACTION_TP_PORT_PACK_STR = '!HHH2x'
+OFP_ACTION_TP_PORT_SIZE = 8
+assert calcsize(OFP_ACTION_TP_PORT_PACK_STR) == OFP_ACTION_TP_PORT_SIZE
+
+OFP_ACTION_VENDOR_HEADER_PACK_STR = '!HHI'
+OFP_ACTION_VENDOR_HEADER_SIZE = 8
+assert (calcsize(OFP_ACTION_VENDOR_HEADER_PACK_STR) ==
+ OFP_ACTION_VENDOR_HEADER_SIZE)
+# OpenFlow1.2 or later compatible
+OFP_ACTION_EXPERIMENTER_HEADER_SIZE = OFP_ACTION_VENDOR_HEADER_SIZE
+
+OFP_ACTION_HEADER_PACK_STR = '!HH4x'
+OFP_ACTION_HEADER_SIZE = 8
+assert calcsize(OFP_ACTION_HEADER_PACK_STR) == OFP_ACTION_HEADER_SIZE
+
+OFP_ACTION_ENQUEUE_PACK_STR = '!HHH6xI'
+OFP_ACTION_ENQUEUE_SIZE = 16
+assert calcsize(OFP_ACTION_ENQUEUE_PACK_STR) == OFP_ACTION_ENQUEUE_SIZE
+
+OFP_ACTION_PACK_STR = '!H'
+# because of union ofp_action
+# OFP_ACTION_SIZE = 8
+# assert calcsize(OFP_ACTION_PACK_STR) == OFP_ACTION_SIZE
+
+OFP_PACKET_OUT_PACK_STR = '!IHH'
+OFP_PACKET_OUT_SIZE = 16
+assert (calcsize(OFP_PACKET_OUT_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_PACKET_OUT_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_wildcards
+OFPFW_IN_PORT = 1 << 0 # Switch input port.
+OFPFW_DL_VLAN = 1 << 1 # VLAN vid.
+OFPFW_DL_SRC = 1 << 2 # Ethernet source address.
+OFPFW_DL_DST = 1 << 3 # Ethernet destination address.
+OFPFW_DL_TYPE = 1 << 4 # Ethernet frame type.
+OFPFW_NW_PROTO = 1 << 5 # IP protocol.
+OFPFW_TP_SRC = 1 << 6 # TCP/UDP source port.
+OFPFW_TP_DST = 1 << 7 # TCP/UDP destination port.
+OFPFW_NW_SRC_SHIFT = 8
+OFPFW_NW_SRC_BITS = 6
+OFPFW_NW_SRC_MASK = ((1 << OFPFW_NW_SRC_BITS) - 1) << OFPFW_NW_SRC_SHIFT
+OFPFW_NW_SRC = OFPFW_NW_SRC_MASK # IP source address (not in OF Spec).
+OFPFW_NW_SRC_ALL = 32 << OFPFW_NW_SRC_SHIFT
+OFPFW_NW_DST_SHIFT = 14
+OFPFW_NW_DST_BITS = 6
+OFPFW_NW_DST_MASK = ((1 << OFPFW_NW_DST_BITS) - 1) << OFPFW_NW_DST_SHIFT
+OFPFW_NW_DST = OFPFW_NW_DST_MASK # IP destination address (not in OF Spec).
+OFPFW_NW_DST_ALL = 32 << OFPFW_NW_DST_SHIFT
+OFPFW_DL_VLAN_PCP = 1 << 20 # VLAN priority.
+OFPFW_NW_TOS = 1 << 21 # IP ToS (DSCP field, 6 bits).
+OFPFW_ALL = ((1 << 22) - 1)
+
+# define constants
+OFPFW_ICMP_TYPE = OFPFW_TP_SRC
+OFPFW_ICMP_CODE = OFPFW_TP_DST
+OFP_DL_TYPE_ETH2_CUTOFF = 0x0600
+OFP_DL_TYPE_NOT_ETH_TYPE = 0x05ff
+OFP_VLAN_NONE = 0xffff
+
+_OFP_MATCH_PACK_STR = 'IH' + OFP_ETH_ALEN_STR + 's' + OFP_ETH_ALEN_STR + \
+ 'sHBxHBB2xIIHH'
+OFP_MATCH_PACK_STR = '!' + _OFP_MATCH_PACK_STR
+OFP_MATCH_SIZE = 40
+assert calcsize(OFP_MATCH_PACK_STR) == OFP_MATCH_SIZE
+
+OFP_FLOW_PERMANENT = 0
+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_EMERG = 1 << 2 # Ramark this is for emergency.
+
+_OFP_FLOW_MOD_PACK_STR0 = 'QHHHHIHH'
+OFP_FLOW_MOD_PACK_STR = '!' + _OFP_MATCH_PACK_STR + _OFP_FLOW_MOD_PACK_STR0
+OFP_FLOW_MOD_PACK_STR0 = '!' + _OFP_FLOW_MOD_PACK_STR0
+OFP_FLOW_MOD_SIZE = 72
+assert calcsize(OFP_FLOW_MOD_PACK_STR) + OFP_HEADER_SIZE == OFP_FLOW_MOD_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.
+
+_OFP_FLOW_REMOVED_PACK_STR0 = 'QHBxIIH2xQQ'
+OFP_FLOW_REMOVED_PACK_STR = '!' + _OFP_MATCH_PACK_STR + \
+ _OFP_FLOW_REMOVED_PACK_STR0
+OFP_FLOW_REMOVED_PACK_STR0 = '!' + _OFP_FLOW_REMOVED_PACK_STR0
+OFP_FLOW_REMOVED_SIZE = 88
+assert (calcsize(OFP_FLOW_REMOVED_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_FLOW_REMOVED_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_FLOW_MOD_FAILED = 3 # Problem modifying flow entry.
+OFPET_PORT_MOD_FAILED = 4 # OFPT_PORT_MOD failed.
+OFPET_QUEUE_OP_FAILED = 5 # Queue operation failed.
+
+# 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_VENDOR = 3 # Vendor not supported (in ofp_vendor_header
+ # or ofp_stats_msg).
+OFPBRC_BAD_SUBTYPE = 4 # Vendor subtype 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.
+
+# enum ofp_bad_action_code
+OFPBAC_BAD_TYPE = 0 # Unknown action type.
+OFPBAC_BAD_LEN = 1 # Length problem in actions.
+OFPBAC_BAD_VENDOR = 2 # Unknown vendor id specified.
+OFPBAC_BAD_VENDOR_TYPE = 3 # Unknown action type for vendor 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.
+
+# enum ofp_flow_mod_failed_code
+OFPFMFC_ALL_TABLES_FULL = 0 # Flow not added because of full tables.
+OFPFMFC_OVERLAP = 1 # Attempted to add overlapping flow with
+ # CHECK_OVERLAP flags set.
+OFPFMFC_EPERM = 2 # Permissions error.
+OFPFMFC_BAD_EMERG_TIMEOUT = 3 # Flow not added because of non-zero idle/hard
+ # timeout.
+OFPFMFC_BAD_COMMAND = 4 # Unknown command.
+OFPFMFC_UNSUPPORTED = 5 # Unsupported action list - cannot process in
+ # the order specified.
+
+# enum ofp_port_mod_failed_code
+OFPPMFC_BAD_PORT = 0 # Specified port does not exist.
+OFPPMFC_BAD_HW_ADDR = 1 # Specified hardware address is wrong.
+
+# 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.
+
+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_stats_types
+OFPST_DESC = 0
+OFPST_FLOW = 1
+OFPST_AGGREGATE = 2
+OFPST_TABLE = 3
+OFPST_PORT = 4
+OFPST_QUEUE = 5
+OFPST_VENDOR = 0xffff
+
+_OFP_STATS_MSG_PACK_STR = 'HH'
+OFP_STATS_MSG_PACK_STR = '!' + _OFP_STATS_MSG_PACK_STR
+OFP_STATS_MSG_SIZE = 12
+assert calcsize(OFP_STATS_MSG_PACK_STR) + OFP_HEADER_SIZE == OFP_STATS_MSG_SIZE
+
+# enum ofp_stats_reply_flags
+OFPSF_REPLY_MORE = 1 << 0 # More replies to follow.
+
+# define constants
+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 = 1068
+assert (calcsize(OFP_DESC_STATS_PACK_STR) + OFP_STATS_MSG_SIZE ==
+ OFP_DESC_STATS_SIZE)
+
+_OFP_FLOW_STATS_REQUEST_ID_PORT_STR = 'BxH'
+OFP_FLOW_STATS_REQUEST_ID_PORT_STR = '!' + _OFP_FLOW_STATS_REQUEST_ID_PORT_STR
+OFP_FLOW_STATS_REQUEST_PACK_STR = '!' + _OFP_MATCH_PACK_STR + \
+ _OFP_FLOW_STATS_REQUEST_ID_PORT_STR
+OFP_FLOW_STATS_REQUEST_SIZE = 56
+assert (calcsize(OFP_FLOW_STATS_REQUEST_PACK_STR) + OFP_STATS_MSG_SIZE ==
+ OFP_FLOW_STATS_REQUEST_SIZE)
+
+_OFP_FLOW_STATS_0_PACK_STR = 'HBx'
+OFP_FLOW_STATS_0_PACK_STR = '!' + _OFP_FLOW_STATS_0_PACK_STR
+OFP_FLOW_STATS_0_SIZE = 4
+assert calcsize(OFP_FLOW_STATS_0_PACK_STR) == OFP_FLOW_STATS_0_SIZE
+_OFP_FLOW_STATS_1_PACK_STR = 'IIHHH6xQQQ'
+OFP_FLOW_STATS_1_PACK_STR = '!' + _OFP_FLOW_STATS_1_PACK_STR
+OFP_FLOW_STATS_1_SIZE = 44
+assert calcsize(OFP_FLOW_STATS_1_PACK_STR) == OFP_FLOW_STATS_1_SIZE
+OFP_FLOW_STATS_PACK_STR = '!' + _OFP_FLOW_STATS_0_PACK_STR +\
+ _OFP_MATCH_PACK_STR + _OFP_FLOW_STATS_1_PACK_STR
+OFP_FLOW_STATS_SIZE = 88
+assert calcsize(OFP_FLOW_STATS_PACK_STR) == OFP_FLOW_STATS_SIZE
+
+OFP_AGGREGATE_STATS_REPLY_PACK_STR = '!QQI4x'
+OFP_AGGREGATE_STATS_REPLY_SIZE = 36
+assert (calcsize(OFP_AGGREGATE_STATS_REPLY_PACK_STR) +
+ OFP_STATS_MSG_SIZE == OFP_AGGREGATE_STATS_REPLY_SIZE)
+
+OFP_TABLE_STATS_PACK_STR = '!B3x' + OFP_MAX_TABLE_NAME_LEN_STR + 'sIIIQQ'
+OFP_TABLE_STATS_SIZE = 64
+assert calcsize(OFP_TABLE_STATS_PACK_STR) == OFP_TABLE_STATS_SIZE
+
+OFP_PORT_STATS_REQUEST_PACK_STR = '!H6x'
+OFP_PORT_STATS_REQUEST_SIZE = 20
+assert (calcsize(OFP_PORT_STATS_REQUEST_PACK_STR) + OFP_STATS_MSG_SIZE ==
+ OFP_PORT_STATS_REQUEST_SIZE)
+
+OFP_PORT_STATS_PACK_STR = '!H6xQQQQQQQQQQQQ'
+OFP_PORT_STATS_SIZE = 104
+assert calcsize(OFP_PORT_STATS_PACK_STR) == OFP_PORT_STATS_SIZE
+
+OFPQ_ALL = 0xffffffff
+
+OFP_QUEUE_STATS_REQUEST_PACK_STR = '!HxxI'
+OFP_QUEUE_STATS_REQUEST_SIZE = 8
+assert (calcsize(OFP_QUEUE_STATS_REQUEST_PACK_STR) ==
+ OFP_QUEUE_STATS_REQUEST_SIZE)
+
+OFP_QUEUE_STATS_PACK_STR = '!H2xIQQQ'
+OFP_QUEUE_STATS_SIZE = 32
+assert calcsize(OFP_QUEUE_STATS_PACK_STR) == OFP_QUEUE_STATS_SIZE
+
+OFP_VENDOR_STATS_MSG_PACK_STR = '!I'
+OFP_VENDOR_STATS_MSG_SIZE = 16
+assert (calcsize(OFP_VENDOR_STATS_MSG_PACK_STR) + OFP_STATS_MSG_SIZE ==
+ OFP_VENDOR_STATS_MSG_SIZE)
+
+OFP_VENDOR_HEADER_PACK_STR = '!I'
+OFP_VENDOR_HEADER_SIZE = 12
+assert (calcsize(OFP_VENDOR_HEADER_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_VENDOR_HEADER_SIZE)
+
+OFP_QUEUE_GET_CONFIG_REQUEST_PACK_STR = '!H2x'
+OFP_QUEUE_GET_CONFIG_REQUEST_SIZE = 12
+assert (calcsize(OFP_QUEUE_GET_CONFIG_REQUEST_PACK_STR) + OFP_HEADER_SIZE ==
+ OFP_QUEUE_GET_CONFIG_REQUEST_SIZE)
+
+OFP_QUEUE_GET_CONFIG_REPLY_PACK_STR = '!H6x'
+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)
+
+OFP_PACKET_QUEUE_PQCK_STR = '!IH2x'
+OFP_PACKET_QUEUE_SIZE = 8
+assert calcsize(OFP_PACKET_QUEUE_PQCK_STR) == OFP_PACKET_QUEUE_SIZE
+
+OFPQT_NONE = 0
+OFPQT_MIN_RATE = 1
+
+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
+
+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)
+
+# OXM
+
+# enum ofp_oxm_class
+OFPXMC_OPENFLOW_BASIC = 0x8000 # Basic class for OpenFlow
+
+
+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_fields.generate(__name__)
+
+# generate utility methods
+ofproto_utils.generate(__name__)
projects / vsorcdistro / .git / blobdiff