750 lines
30 KiB
Python
750 lines
30 KiB
Python
# Copyright (C) 2011, 2012 Nippon Telegraph and Telephone Corporation.
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# Copyright (C) 2011, 2012 Isaku Yamahata <yamahata at valinux co jp>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Nicira extensions
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# Many of these definitions are common among OpenFlow versions.
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import sys
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from struct import calcsize
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from ryu.lib import type_desc
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from ryu.ofproto.ofproto_common import OFP_HEADER_SIZE
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from ryu.ofproto import oxm_fields
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# Action subtypes
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NXAST_RESUBMIT = 1
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NXAST_SET_TUNNEL = 2
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NXAST_DROP_SPOOFED_ARP__OBSOLETE = 3
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NXAST_SET_QUEUE = 4
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NXAST_POP_QUEUE = 5
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NXAST_REG_MOVE = 6
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NXAST_REG_LOAD = 7
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NXAST_NOTE = 8
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NXAST_SET_TUNNEL64 = 9
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NXAST_MULTIPATH = 10
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NXAST_AUTOPATH = 11
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NXAST_BUNDLE = 12
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NXAST_BUNDLE_LOAD = 13
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NXAST_RESUBMIT_TABLE = 14
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NXAST_OUTPUT_REG = 15
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NXAST_LEARN = 16
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NXAST_EXIT = 17
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NXAST_DEC_TTL = 18
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NXAST_FIN_TIMEOUT = 19
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NXAST_CONTROLLER = 20
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NXAST_DEC_TTL_CNT_IDS = 21
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NXAST_PUSH_MPLS = 23
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NXAST_POP_MPLS = 24
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NXAST_SET_MPLS_TTL = 25
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NXAST_DEC_MPLS_TTL = 26
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NXAST_STACK_PUSH = 27
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NXAST_STACK_POP = 28
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NXAST_SAMPLE = 29
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NXAST_SET_MPLS_LABEL = 30
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NXAST_SET_MPLS_TC = 31
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NXAST_OUTPUT_REG2 = 32
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NXAST_REG_LOAD2 = 33
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NXAST_CONJUNCTION = 34
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NXAST_CT = 35
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NXAST_NAT = 36
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NXAST_CONTROLLER2 = 37
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NXAST_SAMPLE2 = 38
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NXAST_OUTPUT_TRUNC = 39
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NX_ACTION_RESUBMIT_PACK_STR = '!HHIHHB3x'
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NX_ACTION_RESUBMIT_SIZE = 16
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assert calcsize(NX_ACTION_RESUBMIT_PACK_STR) == NX_ACTION_RESUBMIT_SIZE
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NX_ACTION_SET_TUNNEL_PACK_STR = '!HHIH2xI'
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NX_ACTION_SET_TUNNEL_SIZE = 16
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assert calcsize(NX_ACTION_SET_TUNNEL_PACK_STR) == NX_ACTION_SET_TUNNEL_SIZE
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NX_ACTION_SET_QUEUE_PACK_STR = '!HHIH2xI'
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NX_ACTION_SET_QUEUE_SIZE = 16
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assert calcsize(NX_ACTION_SET_QUEUE_PACK_STR) == NX_ACTION_SET_QUEUE_SIZE
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NX_ACTION_POP_QUEUE_PACK_STR = '!HHIH6x'
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NX_ACTION_POP_QUEUE_SIZE = 16
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assert calcsize(NX_ACTION_POP_QUEUE_PACK_STR) == NX_ACTION_POP_QUEUE_SIZE
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NX_ACTION_REG_MOVE_PACK_STR = '!HHIHHHHII'
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NX_ACTION_REG_MOVE_SIZE = 24
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assert calcsize(NX_ACTION_REG_MOVE_PACK_STR) == NX_ACTION_REG_MOVE_SIZE
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NX_ACTION_REG_LOAD_PACK_STR = '!HHIHHIQ'
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NX_ACTION_REG_LOAD_SIZE = 24
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assert calcsize(NX_ACTION_REG_LOAD_PACK_STR) == NX_ACTION_REG_LOAD_SIZE
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NX_ACTION_SET_TUNNEL64_PACK_STR = '!HHIH6xQ'
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NX_ACTION_SET_TUNNEL64_SIZE = 24
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assert calcsize(NX_ACTION_SET_TUNNEL64_PACK_STR) == NX_ACTION_SET_TUNNEL64_SIZE
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NX_ACTION_MULTIPATH_PACK_STR = '!HHIHHH2xHHI2xHI'
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NX_ACTION_MULTIPATH_SIZE = 32
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assert calcsize(NX_ACTION_MULTIPATH_PACK_STR) == NX_ACTION_MULTIPATH_SIZE
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NX_ACTION_NOTE_PACK_STR = '!HHIH6B'
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NX_ACTION_NOTE_SIZE = 16
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assert calcsize(NX_ACTION_NOTE_PACK_STR) == NX_ACTION_NOTE_SIZE
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NX_ACTION_BUNDLE_PACK_STR = '!HHIHHHHIHHI4x'
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NX_ACTION_BUNDLE_SIZE = 32
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NX_ACTION_BUNDLE_0_SIZE = 24
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assert calcsize(NX_ACTION_BUNDLE_PACK_STR) == NX_ACTION_BUNDLE_SIZE
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NX_ACTION_AUTOPATH_PACK_STR = '!HHIHHII4x'
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NX_ACTION_AUTOPATH_SIZE = 24
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assert calcsize(NX_ACTION_AUTOPATH_PACK_STR) == NX_ACTION_AUTOPATH_SIZE
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NX_ACTION_OUTPUT_REG_PACK_STR = '!HHIHHIH6x'
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NX_ACTION_OUTPUT_REG_SIZE = 24
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assert calcsize(NX_ACTION_OUTPUT_REG_PACK_STR) == NX_ACTION_OUTPUT_REG_SIZE
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NX_ACTION_LEARN_PACK_STR = '!HHIHHHHQHBxHH'
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NX_ACTION_LEARN_SIZE = 32
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assert calcsize(NX_ACTION_LEARN_PACK_STR) == NX_ACTION_LEARN_SIZE
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NX_ACTION_CONTROLLER_PACK_STR = '!HHIHHHBB'
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NX_ACTION_CONTROLLER_SIZE = 16
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assert calcsize(NX_ACTION_CONTROLLER_PACK_STR) == NX_ACTION_CONTROLLER_SIZE
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NX_ACTION_FIN_TIMEOUT_PACK_STR = '!HHIHHH2x'
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NX_ACTION_FIN_TIMEOUT_SIZE = 16
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assert calcsize(NX_ACTION_FIN_TIMEOUT_PACK_STR) == NX_ACTION_FIN_TIMEOUT_SIZE
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NX_ACTION_HEADER_PACK_STR = '!HHIH6x'
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NX_ACTION_HEADER_SIZE = 16
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NX_ACTION_HEADER_0_SIZE = 2
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assert calcsize(NX_ACTION_HEADER_PACK_STR) == NX_ACTION_HEADER_SIZE
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# Messages
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NXT_ROLE_REQUEST = 10
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NXT_ROLE_REPLY = 11
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NXT_SET_FLOW_FORMAT = 12
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NXT_FLOW_MOD = 13
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NXT_FLOW_REMOVED = 14
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NXT_FLOW_MOD_TABLE_ID = 15
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NXT_SET_PACKET_IN_FORMAT = 16
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NXT_PACKET_IN = 17
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NXT_FLOW_AGE = 18
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NXT_SET_ASYNC_CONFIG = 19
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NXT_SET_CONTROLLER_ID = 20
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# enum nx_role
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NX_ROLE_OTHER = 0
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NX_ROLE_MASTER = 1
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NX_ROLE_SLAVE = 2
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# enum nx_flow_format
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NXFF_OPENFLOW10 = 0
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NXFF_NXM = 2
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# enum nx_packet_in_format
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NXPIF_OPENFLOW10 = 0
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NXPIF_NXM = 1
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# enum nx_stats_types
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NXST_FLOW = 0
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NXST_AGGREGATE = 1
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NXST_FLOW_MONITOR = 2
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# enum nx_action_controller2_prop_type
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NXAC2PT_MAX_LEN = 0
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NXAC2PT_CONTROLLER_ID = 1
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NXAC2PT_REASON = 2
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NXAC2PT_USERDATA = 3
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NXAC2PT_PAUSE = 4
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NICIRA_HEADER_PACK_STR = '!II'
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NICIRA_HEADER_SIZE = 16
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assert (calcsize(NICIRA_HEADER_PACK_STR) +
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OFP_HEADER_SIZE == NICIRA_HEADER_SIZE)
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NX_ROLE_PACK_STR = '!I'
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NX_ROLE_SIZE = 20
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assert (calcsize(NX_ROLE_PACK_STR) +
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NICIRA_HEADER_SIZE == NX_ROLE_SIZE)
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NX_FLOW_MOD_PACK_STR = '!Q4HI3H6x'
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NX_FLOW_MOD_SIZE = 48
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assert (calcsize(NX_FLOW_MOD_PACK_STR) +
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NICIRA_HEADER_SIZE == NX_FLOW_MOD_SIZE)
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NX_SET_FLOW_FORMAT_PACK_STR = '!I'
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NX_SET_FLOW_FORMAT_SIZE = 20
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assert (calcsize(NX_SET_FLOW_FORMAT_PACK_STR) +
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NICIRA_HEADER_SIZE == NX_SET_FLOW_FORMAT_SIZE)
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NX_FLOW_REMOVED_PACK_STR = '!QHBxIIHHQQ'
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NX_FLOW_REMOVED_SIZE = 56
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assert (calcsize(NX_FLOW_REMOVED_PACK_STR) +
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NICIRA_HEADER_SIZE == NX_FLOW_REMOVED_SIZE)
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NX_FLOW_MOD_TABLE_ID_PACK_STR = '!B7x'
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NX_FLOW_MOD_TABLE_ID_SIZE = 24
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assert (calcsize(NX_FLOW_MOD_TABLE_ID_PACK_STR) +
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NICIRA_HEADER_SIZE == NX_FLOW_MOD_TABLE_ID_SIZE)
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NX_SET_PACKET_IN_FORMAT_PACK_STR = '!I'
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NX_SET_PACKET_IN_FORMAT_SIZE = 20
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assert (calcsize(NX_SET_PACKET_IN_FORMAT_PACK_STR) +
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NICIRA_HEADER_SIZE == NX_SET_PACKET_IN_FORMAT_SIZE)
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NX_PACKET_IN_PACK_STR = '!IHBBQH6x'
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NX_PACKET_IN_SIZE = 40
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assert (calcsize(NX_PACKET_IN_PACK_STR) +
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NICIRA_HEADER_SIZE == NX_PACKET_IN_SIZE)
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NX_ASYNC_CONFIG_PACK_STR = '!IIIIII'
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NX_ASYNC_CONFIG_SIZE = 40
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assert (calcsize(NX_ASYNC_CONFIG_PACK_STR) +
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NICIRA_HEADER_SIZE == NX_ASYNC_CONFIG_SIZE)
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NX_CONTROLLER_ID_PACK_STR = '!6xH'
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NX_CONTROLLER_ID_SIZE = 24
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assert (calcsize(NX_CONTROLLER_ID_PACK_STR) +
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NICIRA_HEADER_SIZE == NX_CONTROLLER_ID_SIZE)
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NX_STATS_MSG_PACK_STR = '!I4x'
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NX_STATS_MSG0_SIZE = 8
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assert calcsize(NX_STATS_MSG_PACK_STR) == NX_STATS_MSG0_SIZE
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NX_STATS_MSG_SIZE = 24
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_OFP_VENDOR_STATS_MSG_SIZE = 16
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assert (calcsize(NX_STATS_MSG_PACK_STR) + _OFP_VENDOR_STATS_MSG_SIZE ==
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NX_STATS_MSG_SIZE)
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NX_FLOW_STATS_REQUEST_PACK_STR = '!2HB3x'
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NX_FLOW_STATS_REQUEST_SIZE = 8
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assert (calcsize(NX_FLOW_STATS_REQUEST_PACK_STR) ==
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NX_FLOW_STATS_REQUEST_SIZE)
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NX_FLOW_STATS_PACK_STR = '!HBxIIHHHHHHQQQ'
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NX_FLOW_STATS_SIZE = 48
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assert calcsize(NX_FLOW_STATS_PACK_STR) == NX_FLOW_STATS_SIZE
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NX_AGGREGATE_STATS_REQUEST_PACK_STR = '!2HB3x'
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NX_AGGREGATE_STATS_REQUEST_SIZE = 8
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assert (calcsize(NX_AGGREGATE_STATS_REQUEST_PACK_STR) ==
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NX_AGGREGATE_STATS_REQUEST_SIZE)
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NX_AGGREGATE_STATS_REPLY_PACK_STR = '!QQI4x'
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NX_AGGREGATE_STATS_REPLY_SIZE = 24
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assert (calcsize(NX_AGGREGATE_STATS_REPLY_PACK_STR) ==
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NX_AGGREGATE_STATS_REPLY_SIZE)
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# enum nx_hash_fields
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NX_HASH_FIELDS_ETH_SRC = 0
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NX_HASH_FIELDS_SYMMETRIC_L4 = 1
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# enum nx_mp_algorithm
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NX_MP_ALG_MODULO_N = 0
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NX_MP_ALG_HASH_THRESHOLD = 1
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NX_MP_ALG_HRW = 2
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NX_MP_ALG_ITER_HASH = 3
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# enum nx_bd_algorithm
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NX_BD_ALG_ACTIVE_BACKUP = 0
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NX_BD_ALG_HRW = 1
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# nx_learn constants
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NX_LEARN_N_BITS_MASK = 0x3ff
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NX_LEARN_SRC_FIELD = 0 << 13 # Copy from field.
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NX_LEARN_SRC_IMMEDIATE = 1 << 13 # Copy from immediate value.
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NX_LEARN_SRC_MASK = 1 << 13
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NX_LEARN_DST_MATCH = 0 << 11 # Add match criterion.
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NX_LEARN_DST_LOAD = 1 << 11 # Add NXAST_REG_LOAD action
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NX_LEARN_DST_OUTPUT = 2 << 11 # Add OFPAT_OUTPUT action.
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NX_LEARN_DST_RESERVED = 3 << 11 # Not yet defined.
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NX_LEARN_DST_MASK = 3 << 11
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# nx_ct constants
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NX_CT_F_COMMIT = 1 << 0
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NX_CT_F_FORCE = 1 << 1
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NX_CT_RECIRC_NONE = 0xff # OFPTT_ALL
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# nx_nat constants
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NX_NAT_RANGE_IPV4_MIN = 1 << 0
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NX_NAT_RANGE_IPV4_MAX = 1 << 1
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NX_NAT_RANGE_IPV6_MIN = 1 << 2
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NX_NAT_RANGE_IPV6_MAX = 1 << 3
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NX_NAT_RANGE_PROTO_MIN = 1 << 4
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NX_NAT_RANGE_PROTO_MAX = 1 << 5
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# nx ip_frag constants
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FLOW_NW_FRAG_ANY = 1 << 0 # Set for any IP frag.
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FLOW_NW_FRAG_LATER = 1 << 1 # Set for IP frag with nonzero offset.
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FLOW_NW_FRAG_MASK = FLOW_NW_FRAG_ANY | FLOW_NW_FRAG_LATER
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# nx ip_frag match values
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NXM_IP_FRAG_NO = (0, FLOW_NW_FRAG_MASK)
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NXM_IP_FRAG_YES = (FLOW_NW_FRAG_ANY, FLOW_NW_FRAG_ANY)
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NXM_IP_FRAG_FIRST = (FLOW_NW_FRAG_ANY, FLOW_NW_FRAG_MASK)
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NXM_IP_FRAG_LATER = (FLOW_NW_FRAG_LATER, FLOW_NW_FRAG_LATER)
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NXM_IP_FRAG_NOT_LATER = (0, FLOW_NW_FRAG_LATER)
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def ofs_nbits(start, end):
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"""
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The utility method for ofs_nbits
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This method is used in the class to set the ofs_nbits.
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This method converts start/end bits into ofs_nbits required to
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specify the bit range of OXM/NXM fields.
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ofs_nbits can be calculated as following::
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ofs_nbits = (start << 6) + (end - start)
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The parameter start/end means the OXM/NXM field of ovs-ofctl command.
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..
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field[start..end]
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..
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+------------------------------------------+
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| *field*\ **[**\ *start*\..\ *end*\ **]** |
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+------------------------------------------+
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================ ======================================================
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Attribute Description
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================ ======================================================
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start Start bit for OXM/NXM field
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end End bit for OXM/NXM field
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================ ======================================================
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"""
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return (start << 6) + (end - start)
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def nxm_header__(vendor, field, hasmask, length):
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return (vendor << 16) | (field << 9) | (hasmask << 8) | length
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def nxm_header(vendor, field, length):
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return nxm_header__(vendor, field, 0, length)
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def nxm_header_w(vendor, field, length):
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return nxm_header__(vendor, field, 1, (length) * 2)
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NXM_OF_IN_PORT = nxm_header(0x0000, 0, 2)
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NXM_OF_ETH_DST = nxm_header(0x0000, 1, 6)
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NXM_OF_ETH_DST_W = nxm_header_w(0x0000, 1, 6)
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NXM_OF_ETH_SRC = nxm_header(0x0000, 2, 6)
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NXM_OF_ETH_SRC_W = nxm_header_w(0x0000, 2, 6)
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NXM_OF_ETH_TYPE = nxm_header(0x0000, 3, 2)
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NXM_OF_VLAN_TCI = nxm_header(0x0000, 4, 2)
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NXM_OF_VLAN_TCI_W = nxm_header_w(0x0000, 4, 2)
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NXM_OF_IP_TOS = nxm_header(0x0000, 5, 1)
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NXM_OF_IP_PROTO = nxm_header(0x0000, 6, 1)
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NXM_OF_IP_SRC = nxm_header(0x0000, 7, 4)
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NXM_OF_IP_SRC_W = nxm_header_w(0x0000, 7, 4)
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NXM_OF_IP_DST = nxm_header(0x0000, 8, 4)
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NXM_OF_IP_DST_W = nxm_header_w(0x0000, 8, 4)
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NXM_OF_TCP_SRC = nxm_header(0x0000, 9, 2)
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NXM_OF_TCP_SRC_W = nxm_header_w(0x0000, 9, 2)
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NXM_OF_TCP_DST = nxm_header(0x0000, 10, 2)
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NXM_OF_TCP_DST_W = nxm_header_w(0x0000, 10, 2)
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NXM_OF_UDP_SRC = nxm_header(0x0000, 11, 2)
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NXM_OF_UDP_SRC_W = nxm_header_w(0x0000, 11, 2)
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NXM_OF_UDP_DST = nxm_header(0x0000, 12, 2)
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NXM_OF_UDP_DST_W = nxm_header_w(0x0000, 12, 2)
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NXM_OF_ICMP_TYPE = nxm_header(0x0000, 13, 1)
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NXM_OF_ICMP_CODE = nxm_header(0x0000, 14, 1)
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NXM_OF_ARP_OP = nxm_header(0x0000, 15, 2)
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NXM_OF_ARP_SPA = nxm_header(0x0000, 16, 4)
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NXM_OF_ARP_SPA_W = nxm_header_w(0x0000, 16, 4)
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NXM_OF_ARP_TPA = nxm_header(0x0000, 17, 4)
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NXM_OF_ARP_TPA_W = nxm_header_w(0x0000, 17, 4)
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NXM_NX_TUN_ID = nxm_header(0x0001, 16, 8)
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NXM_NX_TUN_ID_W = nxm_header_w(0x0001, 16, 8)
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NXM_NX_TUN_IPV4_SRC = nxm_header(0x0001, 31, 4)
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NXM_NX_TUN_IPV4_SRC_W = nxm_header_w(0x0001, 31, 4)
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NXM_NX_TUN_IPV4_DST = nxm_header(0x0001, 32, 4)
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NXM_NX_TUN_IPV4_DST_W = nxm_header_w(0x0001, 32, 4)
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NXM_NX_ARP_SHA = nxm_header(0x0001, 17, 6)
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NXM_NX_ARP_THA = nxm_header(0x0001, 18, 6)
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NXM_NX_IPV6_SRC = nxm_header(0x0001, 19, 16)
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NXM_NX_IPV6_SRC_W = nxm_header_w(0x0001, 19, 16)
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NXM_NX_IPV6_DST = nxm_header(0x0001, 20, 16)
|
|
NXM_NX_IPV6_DST_W = nxm_header_w(0x0001, 20, 16)
|
|
|
|
NXM_NX_ICMPV6_TYPE = nxm_header(0x0001, 21, 1)
|
|
NXM_NX_ICMPV6_CODE = nxm_header(0x0001, 22, 1)
|
|
|
|
NXM_NX_ND_TARGET = nxm_header(0x0001, 23, 16)
|
|
NXM_NX_ND_TARGET_W = nxm_header_w(0x0001, 23, 16)
|
|
|
|
NXM_NX_ND_SLL = nxm_header(0x0001, 24, 6)
|
|
|
|
NXM_NX_ND_TLL = nxm_header(0x0001, 25, 6)
|
|
|
|
NXM_NX_IP_FRAG = nxm_header(0x0001, 26, 1)
|
|
NXM_NX_IP_FRAG_W = nxm_header_w(0x0001, 26, 1)
|
|
|
|
NXM_NX_IPV6_LABEL = nxm_header(0x0001, 27, 4)
|
|
|
|
NXM_NX_IP_ECN = nxm_header(0x0001, 28, 1)
|
|
|
|
NXM_NX_IP_TTL = nxm_header(0x0001, 29, 1)
|
|
|
|
NXM_NX_PKT_MARK = nxm_header(0x0001, 33, 4)
|
|
NXM_NX_PKT_MARK_W = nxm_header_w(0x0001, 33, 4)
|
|
|
|
NXM_NX_TCP_FLAGS = nxm_header(0x0001, 34, 2)
|
|
NXM_NX_TCP_FLAGS_W = nxm_header_w(0x0001, 34, 2)
|
|
|
|
|
|
def nxm_nx_reg(idx):
|
|
return nxm_header(0x0001, idx, 4)
|
|
|
|
|
|
def nxm_nx_reg_w(idx):
|
|
return nxm_header_w(0x0001, idx, 4)
|
|
|
|
|
|
NXM_HEADER_PACK_STRING = '!I'
|
|
|
|
#
|
|
# The followings are implementations for OpenFlow 1.2+
|
|
#
|
|
|
|
sys.modules[__name__].__doc__ = """
|
|
The API of this class is the same as ``OFPMatch``.
|
|
|
|
You can define the flow match by the keyword arguments.
|
|
The following arguments are available.
|
|
|
|
================ =============== ==============================================
|
|
Argument Value Description
|
|
================ =============== ==============================================
|
|
in_port_nxm Integer 16bit OpenFlow port number.
|
|
eth_dst_nxm MAC address Ethernet destination address.
|
|
eth_src_nxm MAC address Ethernet source address.
|
|
eth_type_nxm Integer 16bit Ethernet type. Needed to support Nicira
|
|
extensions that require the eth_type to
|
|
be set. (i.e. tcp_flags_nxm)
|
|
vlan_tci Integer 16bit VLAN TCI. Basically same as vlan_vid plus
|
|
vlan_pcp.
|
|
nw_tos Integer 8bit IP ToS or IPv6 traffic class field dscp.
|
|
Requires setting fields:
|
|
eth_type_nxm = [0x0800 (IPv4)|0x86dd (IPv6)]
|
|
ip_proto_nxm Integer 8bit IP protocol. Needed to support Nicira
|
|
extensions that require the ip_proto to
|
|
be set. (i.e. tcp_flags_nxm)
|
|
Requires setting fields:
|
|
eth_type_nxm = [0x0800 (IPv4)|0x86dd (IPv6)]
|
|
ipv4_src_nxm IPv4 address IPv4 source address.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x0800 (IPv4)
|
|
ipv4_dst_nxm IPv4 address IPv4 destination address.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x0800 (IPv4)
|
|
tcp_src_nxm Integer 16bit TCP source port.
|
|
Requires setting fields:
|
|
eth_type_nxm = [0x0800 (IPv4)|0x86dd (IPv6)]
|
|
and ip_proto_nxm = 6 (TCP)
|
|
tcp_dst_nxm Integer 16bit TCP destination port.
|
|
Requires setting fields:
|
|
eth_type_nxm = [0x0800 (IPv4)|0x86dd (IPv6)]
|
|
and ip_proto_nxm = 6 (TCP)
|
|
udp_src_nxm Integer 16bit UDP source port.
|
|
Requires setting fields:
|
|
eth_type_nxm = [0x0800 (IPv4)|0x86dd (IPv6)]
|
|
and ip_proto_nxm = 17 (UDP)
|
|
udp_dst_nxm Integer 16bit UDP destination port.
|
|
eth_type_nxm = [0x0800 (IPv4)|0x86dd (IPv6)]
|
|
and ip_proto_nxm = 17 (UDP)
|
|
icmpv4_type_nxm Integer 8bit Type matches the ICMP type and code matches
|
|
the ICMP code.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x0800 (IPv4) and
|
|
ip_proto_nxm = 1 (ICMP)
|
|
icmpv4_code_nxm Integer 8bit Type matches the ICMP type and code matches
|
|
the ICMP code.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x0800 (IPv4) and
|
|
ip_proto_nxm = 1 (ICMP)
|
|
arp_op_nxm Integer 16bit Only ARP opcodes between 1 and 255 should be
|
|
specified for matching.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x0806 (ARP)
|
|
arp_spa_nxm IPv4 address An address may be specified as an IP address
|
|
or host name.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x0806 (ARP)
|
|
arp_tpa_nxm IPv4 address An address may be specified as an IP address
|
|
or host name.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x0806 (ARP)
|
|
tunnel_id_nxm Integer 64bit Tunnel identifier.
|
|
arp_sha_nxm MAC address An address is specified as 6 pairs of
|
|
hexadecimal digits delimited by colons.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x0806 (ARP)
|
|
arp_tha_nxm MAC address An address is specified as 6 pairs of
|
|
hexadecimal digits delimited by colons.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x0806 (ARP)
|
|
ipv6_src_nxm IPv6 address IPv6 source address.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x86dd (IPv6)
|
|
ipv6_dst_nxm IPv6 address IPv6 destination address.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x86dd (IPv6)
|
|
icmpv6_type_nxm Integer 8bit Type matches the ICMP type and code matches
|
|
the ICMP code.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x86dd (IPv6) and
|
|
ip_proto_nxm = 58 (ICMP for IPv6)
|
|
icmpv6_code_nxm Integer 8bit Type matches the ICMP type and code matches
|
|
the ICMP code.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x86dd (IPv6) and
|
|
ip_proto_nxm = 58 (ICMP for IPv6)
|
|
nd_target IPv6 address The target address ipv6.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x86dd (IPv6) and
|
|
ip_proto_nxm = 58 (ICMP for IPv6)
|
|
nd_sll MAC address The source link-layer address option.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x86dd (IPv6) and
|
|
ip_proto_nxm = 58 (ICMP for IPv6) and
|
|
icmpv6_type_nxm = 135 (Neighbor solicitation)
|
|
nd_tll MAC address The target link-layer address option.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x86dd (IPv6) and
|
|
ip_proto_nxm = 58 (ICMP for IPv6) and
|
|
icmpv6_type_nxm = 136 (Neighbor advertisement)
|
|
ip_frag Integer 8bit frag_type specifies what kind of IP fragments
|
|
or non-fragments to match.
|
|
Requires setting fields:
|
|
eth_type_nxm = [0x0800 (IPv4)|0x86dd (IPv6)]
|
|
ipv6_label Integer 32bit Matches IPv6 flow label.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x86dd (IPv6)
|
|
ip_ecn_nxm Integer 8bit Matches ecn bits in IP ToS or IPv6 traffic
|
|
class fields.
|
|
Requires setting fields:
|
|
eth_type_nxm = [0x0800 (IPv4)|0x86dd (IPv6)]
|
|
nw_ttl Integer 8bit IP TTL or IPv6 hop limit value ttl.
|
|
Requires setting fields:
|
|
eth_type_nxm = [0x0800 (IPv4)|0x86dd (IPv6)]
|
|
mpls_ttl Integer 8bit The TTL of the outer MPLS label stack entry
|
|
of a packet.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x8847 (MPLS Unicast)
|
|
tun_ipv4_src IPv4 address Tunnel IPv4 source address.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x0800 (IPv4)
|
|
tun_ipv4_dst IPv4 address Tunnel IPv4 destination address.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x0800 (IPv4)
|
|
pkt_mark Integer 32bit Packet metadata mark.
|
|
tcp_flags_nxm Integer 16bit TCP Flags. Requires setting fields:
|
|
eth_type_nxm = [0x0800 (IP)|0x86dd (IPv6)] and
|
|
ip_proto_nxm = 6 (TCP)
|
|
conj_id Integer 32bit Conjunction ID used only with
|
|
the conjunction action
|
|
tun_gbp_id Integer 16bit The group policy identifier in the
|
|
VXLAN header.
|
|
tun_gbp_flags Integer 8bit The group policy flags in the
|
|
VXLAN header.
|
|
tun_flags Integer 16bit Flags indicating various aspects of
|
|
the tunnel encapsulation.
|
|
ct_state Integer 32bit Conntrack state.
|
|
ct_zone Integer 16bit Conntrack zone.
|
|
ct_mark Integer 32bit Conntrack mark.
|
|
ct_label Integer 128bit Conntrack label.
|
|
tun_ipv6_src IPv6 address Tunnel IPv6 source address.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x86dd (IPv6)
|
|
tun_ipv6_dst IPv6 address Tunnel IPv6 destination address.
|
|
Requires setting fields:
|
|
eth_type_nxm = 0x86dd (IPv6)
|
|
_recirc_id Integer 32bit ID for recirculation.
|
|
_dp_hash Integer 32bit Flow hash computed in Datapath.
|
|
nsh_flags Integer 8bit Flags field in NSH Base Header.
|
|
Requires eth_type_nxm = 0x894f (NSH).
|
|
Since OpenFlow 1.3 and OVS v2.8.
|
|
nsh_mdtype Integer 8bit Metadata Type in NSH Base Header.
|
|
Requires eth_type_nxm = 0x894f (NSH).
|
|
Since OpenFlow 1.3 and OVS v2.8.
|
|
nsh_np Integer 8bit Next Protocol type in NSH Base Header.
|
|
Requires eth_type_nxm = 0x894f (NSH).
|
|
Since OpenFlow 1.3 and OVS v2.8.
|
|
nsh_spi Integer 32bit Service Path Identifier in NSH Service Path
|
|
Header.
|
|
Requires eth_type_nxm = 0x894f (NSH).
|
|
Since OpenFlow 1.3 and OVS v2.8.
|
|
nsh_si Integer 8bit Service Index in NSH Service Path Header.
|
|
Requires eth_type_nxm = 0x894f (NSH).
|
|
Since OpenFlow 1.3 and OVS v2.8.
|
|
nsh_c<N> Integer 32bit Context fields in NSH Context Header.
|
|
<N> is a number of 1-4.
|
|
Requires eth_type_nxm = 0x894f (NSH).
|
|
Since OpenFlow 1.3 and OVS v2.8.
|
|
nsh_ttl Integer 8bit TTL field in NSH Base Header.
|
|
Requires eth_type_nxm = 0x894f (NSH).
|
|
Since OpenFlow 1.3 and OVS v2.9.
|
|
reg<idx> Integer 32bit Packet register.
|
|
<idx> is register number 0-15.
|
|
xxreg<idx> Integer 128bit Packet extended-extended register.
|
|
<idx> is register number 0-3.
|
|
================ =============== ==============================================
|
|
|
|
.. Note::
|
|
|
|
Setting the TCP flags via the nicira extensions.
|
|
This is required when using OVS version < 2.4.
|
|
When using the nxm fields, you need to use any nxm prereq
|
|
fields as well or you will receive a OFPBMC_BAD_PREREQ error
|
|
|
|
Example::
|
|
|
|
# WILL NOT work
|
|
flag = tcp.TCP_ACK
|
|
match = parser.OFPMatch(
|
|
tcp_flags_nxm=(flag, flag),
|
|
ip_proto=inet.IPPROTO_TCP,
|
|
eth_type=eth_type)
|
|
|
|
# Works
|
|
flag = tcp.TCP_ACK
|
|
match = parser.OFPMatch(
|
|
tcp_flags_nxm=(flag, flag),
|
|
ip_proto_nxm=inet.IPPROTO_TCP,
|
|
eth_type_nxm=eth_type)
|
|
"""
|
|
|
|
oxm_types = [
|
|
# OFPXMC_NXM_0
|
|
oxm_fields.NiciraExtended0('in_port_nxm', 0, type_desc.Int2),
|
|
oxm_fields.NiciraExtended0('eth_dst_nxm', 1, type_desc.MacAddr),
|
|
oxm_fields.NiciraExtended0('eth_src_nxm', 2, type_desc.MacAddr),
|
|
oxm_fields.NiciraExtended0('eth_type_nxm', 3, type_desc.Int2),
|
|
oxm_fields.NiciraExtended0('vlan_tci', 4, type_desc.Int2),
|
|
oxm_fields.NiciraExtended0('nw_tos', 5, type_desc.Int1),
|
|
oxm_fields.NiciraExtended0('ip_proto_nxm', 6, type_desc.Int1),
|
|
oxm_fields.NiciraExtended0('ipv4_src_nxm', 7, type_desc.IPv4Addr),
|
|
oxm_fields.NiciraExtended0('ipv4_dst_nxm', 8, type_desc.IPv4Addr),
|
|
oxm_fields.NiciraExtended0('tcp_src_nxm', 9, type_desc.Int2),
|
|
oxm_fields.NiciraExtended0('tcp_dst_nxm', 10, type_desc.Int2),
|
|
oxm_fields.NiciraExtended0('udp_src_nxm', 11, type_desc.Int2),
|
|
oxm_fields.NiciraExtended0('udp_dst_nxm', 12, type_desc.Int2),
|
|
oxm_fields.NiciraExtended0('icmpv4_type_nxm', 13, type_desc.Int1),
|
|
oxm_fields.NiciraExtended0('icmpv4_code_nxm', 14, type_desc.Int1),
|
|
oxm_fields.NiciraExtended0('arp_op_nxm', 15, type_desc.Int2),
|
|
oxm_fields.NiciraExtended0('arp_spa_nxm', 16, type_desc.IPv4Addr),
|
|
oxm_fields.NiciraExtended0('arp_tpa_nxm', 17, type_desc.IPv4Addr),
|
|
|
|
# OFPXMC_NXM_1
|
|
oxm_fields.NiciraExtended1('tunnel_id_nxm', 16, type_desc.Int8),
|
|
oxm_fields.NiciraExtended1('arp_sha_nxm', 17, type_desc.MacAddr),
|
|
oxm_fields.NiciraExtended1('arp_tha_nxm', 18, type_desc.MacAddr),
|
|
oxm_fields.NiciraExtended1('ipv6_src_nxm', 19, type_desc.IPv6Addr),
|
|
oxm_fields.NiciraExtended1('ipv6_dst_nxm', 20, type_desc.IPv6Addr),
|
|
oxm_fields.NiciraExtended1('icmpv6_type_nxm', 21, type_desc.Int1),
|
|
oxm_fields.NiciraExtended1('icmpv6_code_nxm', 22, type_desc.Int1),
|
|
oxm_fields.NiciraExtended1('nd_target', 23, type_desc.IPv6Addr),
|
|
oxm_fields.NiciraExtended1('nd_sll', 24, type_desc.MacAddr),
|
|
oxm_fields.NiciraExtended1('nd_tll', 25, type_desc.MacAddr),
|
|
oxm_fields.NiciraExtended1('ip_frag', 26, type_desc.Int1),
|
|
oxm_fields.NiciraExtended1('ipv6_label', 27, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('ip_ecn_nxm', 28, type_desc.Int1),
|
|
oxm_fields.NiciraExtended1('nw_ttl', 29, type_desc.Int1),
|
|
oxm_fields.NiciraExtended1('mpls_ttl', 30, type_desc.Int1),
|
|
oxm_fields.NiciraExtended1('tun_ipv4_src', 31, type_desc.IPv4Addr),
|
|
oxm_fields.NiciraExtended1('tun_ipv4_dst', 32, type_desc.IPv4Addr),
|
|
oxm_fields.NiciraExtended1('pkt_mark', 33, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('tcp_flags_nxm', 34, type_desc.Int2),
|
|
oxm_fields.NiciraExtended1('conj_id', 37, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('tun_gbp_id', 38, type_desc.Int2),
|
|
oxm_fields.NiciraExtended1('tun_gbp_flags', 39, type_desc.Int1),
|
|
oxm_fields.NiciraExtended1('tun_flags', 104, type_desc.Int2),
|
|
oxm_fields.NiciraExtended1('ct_state', 105, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('ct_zone', 106, type_desc.Int2),
|
|
oxm_fields.NiciraExtended1('ct_mark', 107, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('ct_label', 108, type_desc.Int16),
|
|
oxm_fields.NiciraExtended1('tun_ipv6_src', 109, type_desc.IPv6Addr),
|
|
oxm_fields.NiciraExtended1('tun_ipv6_dst', 110, type_desc.IPv6Addr),
|
|
|
|
# Prefix the name with '_' to indicate this is not intended to be used
|
|
# in wild.
|
|
# Because the following definitions are supposed to be internal use only
|
|
# in OVS.
|
|
oxm_fields.NiciraExtended1('_recirc_id', 36, type_desc.Int4),
|
|
|
|
# The following definition is merely for testing 64-bit experimenter OXMs.
|
|
# Following Open vSwitch, we use dp_hash for this purpose.
|
|
# Prefix the name with '_' to indicate this is not intended to be used
|
|
# in wild.
|
|
oxm_fields.NiciraExperimenter('_dp_hash', 0, type_desc.Int4),
|
|
|
|
# Nicira Experimenter for Network Service Header
|
|
oxm_fields.NiciraNshExperimenter('nsh_flags', 1, type_desc.Int1),
|
|
oxm_fields.NiciraNshExperimenter('nsh_mdtype', 2, type_desc.Int1),
|
|
oxm_fields.NiciraNshExperimenter('nsh_np', 3, type_desc.Int1),
|
|
# aka "nsp"
|
|
oxm_fields.NiciraNshExperimenter('nsh_spi', 4, type_desc.Int4),
|
|
# aka "nsi"
|
|
oxm_fields.NiciraNshExperimenter('nsh_si', 5, type_desc.Int1),
|
|
# aka "nshc<N>"
|
|
oxm_fields.NiciraNshExperimenter('nsh_c1', 6, type_desc.Int4),
|
|
oxm_fields.NiciraNshExperimenter('nsh_c2', 7, type_desc.Int4),
|
|
oxm_fields.NiciraNshExperimenter('nsh_c3', 8, type_desc.Int4),
|
|
oxm_fields.NiciraNshExperimenter('nsh_c4', 9, type_desc.Int4),
|
|
oxm_fields.NiciraNshExperimenter('nsh_ttl', 10, type_desc.Int1),
|
|
|
|
# Support for matching/setting NX registers 0-15
|
|
oxm_fields.NiciraExtended1('reg0', 0, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('reg1', 1, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('reg2', 2, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('reg3', 3, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('reg4', 4, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('reg5', 5, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('reg6', 6, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('reg7', 7, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('reg8', 8, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('reg9', 9, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('reg10', 10, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('reg11', 11, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('reg12', 12, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('reg13', 13, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('reg14', 14, type_desc.Int4),
|
|
oxm_fields.NiciraExtended1('reg15', 15, type_desc.Int4),
|
|
|
|
# Support for matching/setting NX extended-extended registers 0-3
|
|
oxm_fields.NiciraExtended1('xxreg0', 111, type_desc.Int16),
|
|
oxm_fields.NiciraExtended1('xxreg1', 112, type_desc.Int16),
|
|
oxm_fields.NiciraExtended1('xxreg2', 113, type_desc.Int16),
|
|
oxm_fields.NiciraExtended1('xxreg3', 114, type_desc.Int16),
|
|
|
|
]
|