206 lines
5.2 KiB
Python
206 lines
5.2 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_lib 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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p_const.TYPE_GENEVE]
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# --- OpenFlow table IDs
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# --- Integration bridge (int_br)
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LOCAL_SWITCHING = 0
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# Various tables for DVR use of integration bridge flows
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DVR_TO_SRC_MAC = 1
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DVR_TO_SRC_MAC_VLAN = 2
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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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# Table for MAC spoof filtering
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MAC_SPOOF_TABLE = 25
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# Table to decide whether further filtering is needed
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TRANSIENT_TABLE = 60
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# Tables used for ovs firewall
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BASE_EGRESS_TABLE = 71
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RULES_EGRESS_TABLE = 72
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ACCEPT_OR_INGRESS_TABLE = 73
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BASE_INGRESS_TABLE = 81
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RULES_INGRESS_TABLE = 82
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OVS_FIREWALL_TABLES = (
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BASE_EGRESS_TABLE,
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RULES_EGRESS_TABLE,
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ACCEPT_OR_INGRESS_TABLE,
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BASE_INGRESS_TABLE,
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RULES_INGRESS_TABLE,
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)
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# Tables for parties interacting with ovs firewall
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ACCEPTED_EGRESS_TRAFFIC_TABLE = 91
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ACCEPTED_INGRESS_TRAFFIC_TABLE = 92
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DROPPED_TRAFFIC_TABLE = 93
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ACCEPTED_EGRESS_TRAFFIC_NORMAL_TABLE = 94
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INT_BR_ALL_TABLES = (
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LOCAL_SWITCHING,
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DVR_TO_SRC_MAC,
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DVR_TO_SRC_MAC_VLAN,
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CANARY_TABLE,
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ARP_SPOOF_TABLE,
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MAC_SPOOF_TABLE,
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TRANSIENT_TABLE,
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BASE_EGRESS_TABLE,
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RULES_EGRESS_TABLE,
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ACCEPT_OR_INGRESS_TABLE,
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BASE_INGRESS_TABLE,
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RULES_INGRESS_TABLE,
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ACCEPTED_EGRESS_TRAFFIC_TABLE,
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ACCEPTED_INGRESS_TRAFFIC_TABLE,
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DROPPED_TRAFFIC_TABLE)
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# --- Tunnel bridge (tun_br)
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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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GENEVE_TUN_TO_LV = 6
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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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TUN_BR_ALL_TABLES = (
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LOCAL_SWITCHING,
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DVR_PROCESS,
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PATCH_LV_TO_TUN,
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GRE_TUN_TO_LV,
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VXLAN_TUN_TO_LV,
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GENEVE_TUN_TO_LV,
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DVR_NOT_LEARN,
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LEARN_FROM_TUN,
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UCAST_TO_TUN,
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ARP_RESPONDER,
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FLOOD_TO_TUN)
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# --- Physical Bridges (phys_brs)
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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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PHY_BR_ALL_TABLES = (
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LOCAL_SWITCHING,
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DVR_PROCESS_VLAN,
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LOCAL_VLAN_TRANSLATION,
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DVR_NOT_LEARN_VLAN)
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# --- end of OpenFlow table IDs
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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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p_const.TYPE_GENEVE: GENEVE_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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EXTENSION_DRIVER_TYPE = 'ovs'
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# ovs datapath types
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OVS_DATAPATH_SYSTEM = 'system'
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OVS_DATAPATH_NETDEV = 'netdev'
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OVS_DPDK_VHOST_USER = 'dpdkvhostuser'
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OVS_DPDK_VHOST_USER_CLIENT = 'dpdkvhostuserclient'
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OVS_DPDK_PORT_TYPES = [OVS_DPDK_VHOST_USER, OVS_DPDK_VHOST_USER_CLIENT]
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# default ovs vhost-user socket location
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VHOST_USER_SOCKET_DIR = '/var/run/openvswitch'
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MAX_DEVICE_RETRIES = 5
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# OpenFlow version constants
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OPENFLOW10 = "OpenFlow10"
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OPENFLOW11 = "OpenFlow11"
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OPENFLOW12 = "OpenFlow12"
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OPENFLOW13 = "OpenFlow13"
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OPENFLOW14 = "OpenFlow14"
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OPENFLOW15 = "OpenFlow15"
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OPENFLOW_MAX_PRIORITY = 65535
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# A placeholder for dead vlans.
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DEAD_VLAN_TAG = p_const.MAX_VLAN_TAG + 1
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# callback resource for setting 'bridge_name' in the 'binding:vif_details'
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OVS_BRIDGE_NAME = 'ovs_bridge_name'
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# callback resource for notifying to ovsdb handler
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OVSDB_RESOURCE = 'ovsdb'
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# Used in ovs port 'external_ids' in order mark it for no cleanup when
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# ovs_cleanup script is used.
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SKIP_CLEANUP = 'skip_cleanup'
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