91 lines
2.7 KiB
Python
91 lines
2.7 KiB
Python
# Copyright (c) 2012 OpenStack Foundation.
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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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from neutron.plugins.common import constants as p_const
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# Special vlan_id value in ovs_vlan_allocations table indicating flat network
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FLAT_VLAN_ID = -1
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# Topic for tunnel notifications between the plugin and agent
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TUNNEL = 'tunnel'
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# Name prefixes for veth device or patch port pair linking the integration
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# bridge with the physical bridge for a physical network
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PEER_INTEGRATION_PREFIX = 'int-'
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PEER_PHYSICAL_PREFIX = 'phy-'
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# Nonexistent peer used to create patch ports without associating them, it
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# allows to define flows before association
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NONEXISTENT_PEER = 'nonexistent-peer'
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# The different types of tunnels
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TUNNEL_NETWORK_TYPES = [p_const.TYPE_GRE, p_const.TYPE_VXLAN]
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# Various tables for DVR use of integration bridge flows
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LOCAL_SWITCHING = 0
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DVR_TO_SRC_MAC = 1
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DVR_TO_SRC_MAC_VLAN = 2
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# Various tables for tunneling flows
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DVR_PROCESS = 1
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PATCH_LV_TO_TUN = 2
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GRE_TUN_TO_LV = 3
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VXLAN_TUN_TO_LV = 4
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DVR_NOT_LEARN = 9
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LEARN_FROM_TUN = 10
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UCAST_TO_TUN = 20
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ARP_RESPONDER = 21
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FLOOD_TO_TUN = 22
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# Various tables for DVR use of physical bridge flows
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DVR_PROCESS_VLAN = 1
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LOCAL_VLAN_TRANSLATION = 2
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DVR_NOT_LEARN_VLAN = 3
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# Tables for integration bridge
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# Table 0 is used for forwarding.
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CANARY_TABLE = 23
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# Table for ARP poison/spoofing prevention rules
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ARP_SPOOF_TABLE = 24
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# type for ARP reply in ARP header
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ARP_REPLY = '0x2'
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# Map tunnel types to tables number
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TUN_TABLE = {p_const.TYPE_GRE: GRE_TUN_TO_LV,
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p_const.TYPE_VXLAN: VXLAN_TUN_TO_LV}
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# The default respawn interval for the ovsdb monitor
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DEFAULT_OVSDBMON_RESPAWN = 30
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# Represent invalid OF Port
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OFPORT_INVALID = -1
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ARP_RESPONDER_ACTIONS = ('move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],'
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'mod_dl_src:%(mac)s,'
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'load:0x2->NXM_OF_ARP_OP[],'
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'move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],'
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'move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],'
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'load:%(mac)#x->NXM_NX_ARP_SHA[],'
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'load:%(ip)#x->NXM_OF_ARP_SPA[],'
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'in_port')
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# Represent ovs status
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OVS_RESTARTED = 0
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OVS_NORMAL = 1
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OVS_DEAD = 2
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