Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 1 | /* |
Jian Li | 8e7e6cd | 2018-03-30 13:33:08 +0900 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Hyunsun Moon | 0540087 | 2017-02-07 17:11:25 +0900 | [diff] [blame] | 16 | package org.onosproject.openstacknetworking.impl; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 17 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 18 | import org.onlab.packet.ARP; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 19 | import org.onlab.packet.EthType; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 20 | import org.onlab.packet.Ethernet; |
| 21 | import org.onlab.packet.Ip4Address; |
| 22 | import org.onlab.packet.IpAddress; |
| 23 | import org.onlab.packet.MacAddress; |
Daniel Park | 8a9220f | 2018-11-19 18:58:35 +0900 | [diff] [blame] | 24 | import org.onlab.packet.VlanId; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 25 | import org.onlab.util.Tools; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 26 | import org.onosproject.cfg.ComponentConfigService; |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 27 | import org.onosproject.cfg.ConfigProperty; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 28 | import org.onosproject.cluster.ClusterService; |
| 29 | import org.onosproject.cluster.LeadershipService; |
| 30 | import org.onosproject.cluster.NodeId; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 31 | import org.onosproject.core.ApplicationId; |
| 32 | import org.onosproject.core.CoreService; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 33 | import org.onosproject.mastership.MastershipService; |
| 34 | import org.onosproject.net.PortNumber; |
| 35 | import org.onosproject.net.device.DeviceService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 36 | import org.onosproject.net.flow.DefaultTrafficSelector; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 37 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 38 | import org.onosproject.net.flow.TrafficSelector; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 39 | import org.onosproject.net.flow.TrafficTreatment; |
| 40 | import org.onosproject.net.packet.DefaultOutboundPacket; |
| 41 | import org.onosproject.net.packet.PacketContext; |
| 42 | import org.onosproject.net.packet.PacketProcessor; |
| 43 | import org.onosproject.net.packet.PacketService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 44 | import org.onosproject.openstacknetworking.api.InstancePort; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 45 | import org.onosproject.openstacknetworking.api.InstancePortEvent; |
| 46 | import org.onosproject.openstacknetworking.api.InstancePortListener; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 47 | import org.onosproject.openstacknetworking.api.InstancePortService; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 48 | import org.onosproject.openstacknetworking.api.OpenstackFlowRuleService; |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 49 | import org.onosproject.openstacknetworking.api.OpenstackNetwork.Type; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 50 | import org.onosproject.openstacknetworking.api.OpenstackNetworkEvent; |
| 51 | import org.onosproject.openstacknetworking.api.OpenstackNetworkListener; |
| 52 | import org.onosproject.openstacknetworking.api.OpenstackNetworkService; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 53 | import org.onosproject.openstacknode.api.OpenstackNode; |
| 54 | import org.onosproject.openstacknode.api.OpenstackNodeEvent; |
| 55 | import org.onosproject.openstacknode.api.OpenstackNodeListener; |
| 56 | import org.onosproject.openstacknode.api.OpenstackNodeService; |
| 57 | import org.openstack4j.model.network.Network; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 58 | import org.openstack4j.model.network.Subnet; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 59 | import org.osgi.service.component.ComponentContext; |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 60 | import org.osgi.service.component.annotations.Activate; |
| 61 | import org.osgi.service.component.annotations.Component; |
| 62 | import org.osgi.service.component.annotations.Deactivate; |
| 63 | import org.osgi.service.component.annotations.Modified; |
| 64 | import org.osgi.service.component.annotations.Reference; |
| 65 | import org.osgi.service.component.annotations.ReferenceCardinality; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 66 | import org.slf4j.Logger; |
| 67 | import org.slf4j.LoggerFactory; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 68 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 69 | import java.nio.ByteBuffer; |
| 70 | import java.util.Dictionary; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 71 | import java.util.Objects; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 72 | import java.util.Set; |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 73 | import java.util.concurrent.ExecutorService; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 74 | |
| 75 | import static com.google.common.base.Preconditions.checkNotNull; |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 76 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 77 | import static org.onlab.util.Tools.groupedThreads; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 78 | import static org.onosproject.openstacknetworking.api.Constants.ARP_BROADCAST_MODE; |
| 79 | import static org.onosproject.openstacknetworking.api.Constants.ARP_PROXY_MODE; |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 80 | import static org.onosproject.openstacknetworking.api.Constants.ARP_TABLE; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 81 | import static org.onosproject.openstacknetworking.api.Constants.OPENSTACK_NETWORKING_APP_ID; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 82 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_CONTROL_RULE; |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 83 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_FLOOD_RULE; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 84 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_GATEWAY_RULE; |
| 85 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_REPLY_RULE; |
| 86 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_REQUEST_RULE; |
Jian Li | c240359 | 2018-07-18 12:56:45 +0900 | [diff] [blame] | 87 | import static org.onosproject.openstacknetworking.api.InstancePort.State.ACTIVE; |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 88 | import static org.onosproject.openstacknetworking.api.OpenstackNetwork.Type.FLAT; |
Jian Li | 621f73c | 2018-12-15 01:49:22 +0900 | [diff] [blame] | 89 | import static org.onosproject.openstacknetworking.api.OpenstackNetwork.Type.GENEVE; |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 90 | import static org.onosproject.openstacknetworking.api.OpenstackNetwork.Type.GRE; |
| 91 | import static org.onosproject.openstacknetworking.api.OpenstackNetwork.Type.VLAN; |
| 92 | import static org.onosproject.openstacknetworking.api.OpenstackNetwork.Type.VXLAN; |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame] | 93 | import static org.onosproject.openstacknetworking.impl.OsgiPropertyConstants.ARP_MODE; |
| 94 | import static org.onosproject.openstacknetworking.impl.OsgiPropertyConstants.ARP_MODE_DEFAULT; |
| 95 | import static org.onosproject.openstacknetworking.impl.OsgiPropertyConstants.GATEWAY_MAC; |
| 96 | import static org.onosproject.openstacknetworking.impl.OsgiPropertyConstants.GATEWAY_MAC_DEFAULT; |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 97 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getPropertyValue; |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 98 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.swapStaleLocation; |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 99 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.tunnelPortNumByNetId; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 100 | import static org.onosproject.openstacknetworking.util.RulePopulatorUtil.buildExtension; |
| 101 | import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.COMPUTE; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 102 | |
| 103 | /** |
| 104 | * Handles ARP packet from VMs. |
| 105 | */ |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame] | 106 | @Component( |
| 107 | immediate = true, |
| 108 | property = { |
| 109 | GATEWAY_MAC + "=" + GATEWAY_MAC_DEFAULT, |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 110 | ARP_MODE + "=" + ARP_MODE_DEFAULT |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame] | 111 | } |
| 112 | ) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 113 | public class OpenstackSwitchingArpHandler { |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 114 | |
| 115 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 116 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 117 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 118 | protected CoreService coreService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 119 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 120 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 121 | protected PacketService packetService; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 122 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 123 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 124 | protected OpenstackFlowRuleService osFlowRuleService; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 125 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 126 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 127 | protected ComponentConfigService configService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 128 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 129 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 130 | protected ClusterService clusterService; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 131 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 132 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 133 | protected LeadershipService leadershipService; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 134 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 135 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 136 | protected DeviceService deviceService; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 137 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 138 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 139 | protected MastershipService mastershipService; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 140 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 141 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 142 | protected InstancePortService instancePortService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 143 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 144 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 145 | protected OpenstackNetworkService osNetworkService; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 146 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 147 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 148 | protected OpenstackNodeService osNodeService; |
| 149 | |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame] | 150 | /** Fake MAC address for virtual network subnet gateway. */ |
| 151 | private String gatewayMac = GATEWAY_MAC_DEFAULT; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 152 | |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame] | 153 | /** ARP processing mode, broadcast | proxy (default). */ |
| 154 | protected String arpMode = ARP_MODE_DEFAULT; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 155 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 156 | private final InternalPacketProcessor packetProcessor = new InternalPacketProcessor(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 157 | private final InternalOpenstackNetworkListener osNetworkListener = |
| 158 | new InternalOpenstackNetworkListener(); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 159 | private final InstancePortListener instancePortListener = new InternalInstancePortListener(); |
| 160 | private final OpenstackNodeListener osNodeListener = new InternalNodeEventListener(); |
| 161 | |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 162 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 163 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| 164 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 165 | |
| 166 | private ApplicationId appId; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 167 | private NodeId localNodeId; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 168 | |
| 169 | @Activate |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 170 | void activate() { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 171 | appId = coreService.registerApplication(OPENSTACK_NETWORKING_APP_ID); |
| 172 | configService.registerProperties(getClass()); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 173 | localNodeId = clusterService.getLocalNode().id(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 174 | osNetworkService.addListener(osNetworkListener); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 175 | osNodeService.addListener(osNodeListener); |
| 176 | leadershipService.runForLeadership(appId.name()); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 177 | packetService.addProcessor(packetProcessor, PacketProcessor.director(0)); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 178 | |
| 179 | instancePortService.addListener(instancePortListener); |
| 180 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 181 | log.info("Started"); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | @Deactivate |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 185 | void deactivate() { |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 186 | packetService.removeProcessor(packetProcessor); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 187 | osNetworkService.removeListener(osNetworkListener); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 188 | osNodeService.removeListener(osNodeListener); |
| 189 | instancePortService.removeListener(instancePortListener); |
| 190 | leadershipService.withdraw(appId.name()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 191 | configService.unregisterProperties(getClass(), false); |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 192 | eventExecutor.shutdown(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 193 | |
| 194 | log.info("Stopped"); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 195 | } |
| 196 | |
| 197 | @Modified |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 198 | void modified(ComponentContext context) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 199 | readComponentConfiguration(context); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 200 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 201 | log.info("Modified"); |
| 202 | } |
| 203 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 204 | private String getArpMode() { |
| 205 | Set<ConfigProperty> properties = configService.getProperties(this.getClass().getName()); |
| 206 | return getPropertyValue(properties, ARP_MODE); |
| 207 | } |
| 208 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 209 | /** |
| 210 | * Processes ARP request packets. |
| 211 | * It checks if the target IP is owned by a known host first and then ask to |
| 212 | * OpenStack if it's not. This ARP proxy does not support overlapping IP. |
| 213 | * |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 214 | * @param context packet context |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 215 | * @param ethPacket ethernet packet |
| 216 | */ |
| 217 | private void processPacketIn(PacketContext context, Ethernet ethPacket) { |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 218 | |
| 219 | // if the ARP mode is configured as broadcast mode, we simply ignore ARP packet_in |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 220 | if (ARP_BROADCAST_MODE.equals(getArpMode())) { |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 221 | return; |
| 222 | } |
| 223 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 224 | ARP arpPacket = (ARP) ethPacket.getPayload(); |
| 225 | if (arpPacket.getOpCode() != ARP.OP_REQUEST) { |
| 226 | return; |
| 227 | } |
| 228 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 229 | InstancePort srcInstPort = instancePortService.instancePort(ethPacket.getSourceMAC()); |
| 230 | if (srcInstPort == null) { |
| 231 | log.trace("Failed to find source instance port(MAC:{})", |
| 232 | ethPacket.getSourceMAC()); |
| 233 | return; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 234 | } |
| 235 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 236 | IpAddress targetIp = Ip4Address.valueOf(arpPacket.getTargetProtocolAddress()); |
Daniel Park | 4d7f88b | 2018-09-19 19:03:38 +0900 | [diff] [blame] | 237 | |
Jian Li | ac30e27 | 2018-10-18 23:08:03 +0900 | [diff] [blame] | 238 | MacAddress replyMac = isGatewayIp(targetIp) ? MacAddress.valueOf(gatewayMac) : |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 239 | getMacFromHostOpenstack(targetIp, srcInstPort.networkId()); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 240 | if (replyMac == MacAddress.NONE) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 241 | log.trace("Failed to find MAC address for {}", targetIp); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 242 | return; |
| 243 | } |
| 244 | |
| 245 | Ethernet ethReply = ARP.buildArpReply( |
| 246 | targetIp.getIp4Address(), |
| 247 | replyMac, |
| 248 | ethPacket); |
| 249 | |
| 250 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 251 | .setOutput(context.inPacket().receivedFrom().port()) |
| 252 | .build(); |
| 253 | |
| 254 | packetService.emit(new DefaultOutboundPacket( |
| 255 | context.inPacket().receivedFrom().deviceId(), |
| 256 | treatment, |
| 257 | ByteBuffer.wrap(ethReply.serialize()))); |
| 258 | } |
| 259 | |
Jian Li | ac30e27 | 2018-10-18 23:08:03 +0900 | [diff] [blame] | 260 | /** |
| 261 | * Denotes whether the given target IP is gateway IP. |
| 262 | * |
| 263 | * @param targetIp target IP address |
| 264 | * @return true if the given targetIP is gateway IP, false otherwise. |
| 265 | */ |
| 266 | private boolean isGatewayIp(IpAddress targetIp) { |
Daniel Park | 4d7f88b | 2018-09-19 19:03:38 +0900 | [diff] [blame] | 267 | return osNetworkService.subnets().stream() |
Jian Li | ac30e27 | 2018-10-18 23:08:03 +0900 | [diff] [blame] | 268 | .filter(Objects::nonNull) |
| 269 | .filter(subnet -> subnet.getGateway() != null) |
Daniel Park | 4d7f88b | 2018-09-19 19:03:38 +0900 | [diff] [blame] | 270 | .anyMatch(subnet -> subnet.getGateway().equals(targetIp.toString())); |
| 271 | } |
| 272 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 273 | /** |
| 274 | * Returns MAC address of a host with a given target IP address by asking to |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 275 | * instance port service. |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 276 | * |
| 277 | * @param targetIp target ip |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 278 | * @param osNetId openstack network id of the source instance port |
| 279 | * @return mac address, or none mac address if it fails to find the mac |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 280 | */ |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 281 | private MacAddress getMacFromHostOpenstack(IpAddress targetIp, String osNetId) { |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 282 | checkNotNull(targetIp); |
| 283 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 284 | InstancePort instPort = instancePortService.instancePort(targetIp, osNetId); |
| 285 | if (instPort != null) { |
| 286 | log.trace("Found MAC from host service for {}", targetIp); |
| 287 | return instPort.macAddress(); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 288 | } else { |
| 289 | return MacAddress.NONE; |
| 290 | } |
| 291 | } |
| 292 | |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 293 | /** |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 294 | * Installs flow rules which convert ARP request packet into ARP reply |
| 295 | * by adding a fake gateway MAC address as Source Hardware Address. |
| 296 | * |
| 297 | * @param osSubnet openstack subnet |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 298 | * @param network openstack network |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 299 | * @param install flag which indicates whether to install rule or remove rule |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 300 | * @param osNode openstack node |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 301 | */ |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 302 | private void setFakeGatewayArpRule(Subnet osSubnet, Network network, |
| 303 | boolean install, OpenstackNode osNode) { |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 304 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 305 | if (ARP_BROADCAST_MODE.equals(getArpMode())) { |
Jian Li | 8e365bd | 2018-10-12 22:09:03 +0900 | [diff] [blame] | 306 | |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 307 | Type netType = osNetworkService.networkType(network.getId()); |
| 308 | |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 309 | String gateway = osSubnet.getGateway(); |
Daniel Park | 6a2d95e | 2018-11-05 18:50:16 +0900 | [diff] [blame] | 310 | if (gateway == null) { |
| 311 | return; |
| 312 | } |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 313 | |
Daniel Park | 8a9220f | 2018-11-19 18:58:35 +0900 | [diff] [blame] | 314 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 315 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 316 | |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 317 | if (netType == VLAN) { |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 318 | sBuilder.matchVlanId(VlanId.vlanId(network.getProviderSegID())); |
Daniel Park | 8a9220f | 2018-11-19 18:58:35 +0900 | [diff] [blame] | 319 | tBuilder.popVlan(); |
Jian Li | 621f73c | 2018-12-15 01:49:22 +0900 | [diff] [blame] | 320 | } else if (netType == VXLAN || netType == GRE || netType == GENEVE) { |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 321 | // do not remove fake gateway ARP rules, if there is another gateway |
| 322 | // which has the same subnet that to be removed |
| 323 | // this only occurs if we have duplicated subnets associated with |
| 324 | // different networks |
| 325 | if (!install) { |
| 326 | long numOfDupGws = osNetworkService.subnets().stream() |
| 327 | .filter(s -> !s.getId().equals(osSubnet.getId())) |
| 328 | .filter(s -> s.getGateway() != null) |
| 329 | .filter(s -> s.getGateway().equals(osSubnet.getGateway())) |
| 330 | .count(); |
| 331 | if (numOfDupGws > 0) { |
| 332 | return; |
| 333 | } |
| 334 | } |
Daniel Park | 8a9220f | 2018-11-19 18:58:35 +0900 | [diff] [blame] | 335 | } |
| 336 | |
| 337 | sBuilder.matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 338 | .matchArpOp(ARP.OP_REQUEST) |
| 339 | .matchArpTpa(Ip4Address.valueOf(gateway)); |
| 340 | |
| 341 | tBuilder.setArpOp(ARP.OP_REPLY) |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 342 | .setArpSha(MacAddress.valueOf(gatewayMac)) |
| 343 | .setArpSpa(Ip4Address.valueOf(gateway)) |
Daniel Park | 8a9220f | 2018-11-19 18:58:35 +0900 | [diff] [blame] | 344 | .setOutput(PortNumber.IN_PORT); |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 345 | |
| 346 | if (osNode == null) { |
| 347 | osNodeService.completeNodes(COMPUTE).forEach(n -> |
| 348 | osFlowRuleService.setRule( |
| 349 | appId, |
| 350 | n.intgBridge(), |
Daniel Park | 8a9220f | 2018-11-19 18:58:35 +0900 | [diff] [blame] | 351 | sBuilder.build(), |
| 352 | tBuilder.build(), |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 353 | PRIORITY_ARP_GATEWAY_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 354 | ARP_TABLE, |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 355 | install |
| 356 | ) |
| 357 | ); |
| 358 | } else { |
| 359 | osFlowRuleService.setRule( |
| 360 | appId, |
| 361 | osNode.intgBridge(), |
Daniel Park | 8a9220f | 2018-11-19 18:58:35 +0900 | [diff] [blame] | 362 | sBuilder.build(), |
| 363 | tBuilder.build(), |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 364 | PRIORITY_ARP_GATEWAY_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 365 | ARP_TABLE, |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 366 | install |
| 367 | ); |
| 368 | } |
| 369 | |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | /** |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 374 | * Installs flow rules to match ARP request packets. |
| 375 | * |
| 376 | * @param port instance port |
| 377 | * @param install installation flag |
| 378 | */ |
| 379 | private void setArpRequestRule(InstancePort port, boolean install) { |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 380 | Type netType = osNetworkService.networkType(port.networkId()); |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 381 | |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 382 | switch (netType) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 383 | case VXLAN: |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 384 | case GRE: |
Jian Li | 621f73c | 2018-12-15 01:49:22 +0900 | [diff] [blame] | 385 | case GENEVE: |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 386 | setRemoteArpRequestRuleForTunnel(port, install); |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 387 | break; |
| 388 | case VLAN: |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 389 | setArpRequestRuleForVlan(port, install); |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 390 | break; |
| 391 | default: |
| 392 | break; |
| 393 | } |
| 394 | } |
| 395 | |
| 396 | /** |
| 397 | * Installs flow rules to match ARP reply packets. |
| 398 | * |
| 399 | * @param port instance port |
| 400 | * @param install installation flag |
| 401 | */ |
| 402 | private void setArpReplyRule(InstancePort port, boolean install) { |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 403 | Type netType = osNetworkService.networkType(port.networkId()); |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 404 | |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 405 | switch (netType) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 406 | case VXLAN: |
| 407 | setArpReplyRuleForVxlan(port, install); |
| 408 | break; |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 409 | case GRE: |
| 410 | setArpReplyRuleForGre(port, install); |
| 411 | break; |
Jian Li | 621f73c | 2018-12-15 01:49:22 +0900 | [diff] [blame] | 412 | case GENEVE: |
| 413 | setArpReplyRuleForGeneve(port, install); |
| 414 | break; |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 415 | case VLAN: |
| 416 | setArpReplyRuleForVlan(port, install); |
| 417 | break; |
| 418 | default: |
| 419 | break; |
| 420 | } |
| 421 | } |
| 422 | |
| 423 | /** |
| 424 | * Installs flow rules to match ARP request packets only for VxLAN. |
| 425 | * |
| 426 | * @param port instance port |
| 427 | * @param install installation flag |
| 428 | */ |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 429 | private void setRemoteArpRequestRuleForTunnel(InstancePort port, boolean install) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 430 | |
| 431 | OpenstackNode localNode = osNodeService.node(port.deviceId()); |
| 432 | |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 433 | String segId = osNetworkService.segmentId(port.networkId()); |
| 434 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 435 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 436 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 437 | .matchArpOp(ARP.OP_REQUEST) |
| 438 | .matchArpTpa(port.ipAddress().getIp4Address()) |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 439 | .matchTunnelId(Long.valueOf(segId)) |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 440 | .build(); |
| 441 | |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 442 | setRemoteArpTreatmentForTunnel(selector, port, localNode, install); |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 443 | } |
| 444 | |
| 445 | /** |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 446 | * Installs flow rules to match ARP request packets for VLAN. |
| 447 | * |
| 448 | * @param port instance port |
| 449 | * @param install installation flag |
| 450 | */ |
| 451 | private void setArpRequestRuleForVlan(InstancePort port, boolean install) { |
| 452 | TrafficSelector selector = getArpRequestSelectorForVlan(port); |
| 453 | |
| 454 | setLocalArpRequestTreatmentForVlan(selector, port, install); |
| 455 | setRemoteArpRequestTreatmentForVlan(selector, port, install); |
| 456 | } |
| 457 | |
| 458 | /** |
| 459 | * Obtains the ARP request selector for VLAN. |
| 460 | * |
| 461 | * @param port instance port |
| 462 | * @return traffic selector |
| 463 | */ |
| 464 | private TrafficSelector getArpRequestSelectorForVlan(InstancePort port) { |
| 465 | String segId = osNetworkService.segmentId(port.networkId()); |
| 466 | |
| 467 | return DefaultTrafficSelector.builder() |
| 468 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 469 | .matchArpOp(ARP.OP_REQUEST) |
| 470 | .matchArpTpa(port.ipAddress().getIp4Address()) |
| 471 | .matchVlanId(VlanId.vlanId(segId)) |
| 472 | .build(); |
| 473 | } |
| 474 | |
| 475 | /** |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 476 | * Installs flow rules to match ARP reply packets only for VxLAN. |
| 477 | * |
| 478 | * @param port instance port |
| 479 | * @param install installation flag |
| 480 | */ |
| 481 | private void setArpReplyRuleForVxlan(InstancePort port, boolean install) { |
| 482 | |
| 483 | OpenstackNode localNode = osNodeService.node(port.deviceId()); |
| 484 | |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 485 | TrafficSelector selector = getArpReplySelectorForVxlan(port); |
| 486 | |
| 487 | setLocalArpReplyTreatmentForVxlan(selector, port, install); |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 488 | setRemoteArpTreatmentForTunnel(selector, port, localNode, install); |
| 489 | } |
| 490 | |
| 491 | /** |
| 492 | * Installs flow rules to match ARP reply packets only for GRE. |
| 493 | * |
| 494 | * @param port instance port |
| 495 | * @param install installation flag |
| 496 | */ |
| 497 | private void setArpReplyRuleForGre(InstancePort port, boolean install) { |
| 498 | |
| 499 | OpenstackNode localNode = osNodeService.node(port.deviceId()); |
| 500 | |
| 501 | TrafficSelector selector = getArpReplySelectorForGre(port); |
| 502 | |
| 503 | setLocalArpReplyTreatmentForGre(selector, port, install); |
| 504 | setRemoteArpTreatmentForTunnel(selector, port, localNode, install); |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 505 | } |
| 506 | |
| 507 | /** |
Jian Li | 621f73c | 2018-12-15 01:49:22 +0900 | [diff] [blame] | 508 | * Installs flow rules to match ARP reply packets only for GENEVE. |
| 509 | * |
| 510 | * @param port instance port |
| 511 | * @param install installation flag |
| 512 | */ |
| 513 | private void setArpReplyRuleForGeneve(InstancePort port, boolean install) { |
| 514 | |
| 515 | OpenstackNode localNode = osNodeService.node(port.deviceId()); |
| 516 | |
| 517 | TrafficSelector selector = getArpReplySelectorForGeneve(port); |
| 518 | |
| 519 | setLocalArpReplyTreatmentForGeneve(selector, port, install); |
| 520 | setRemoteArpTreatmentForTunnel(selector, port, localNode, install); |
| 521 | } |
| 522 | |
| 523 | /** |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 524 | * Installs flow rules to match ARP reply packets only for VLAN. |
| 525 | * |
| 526 | * @param port instance port |
| 527 | * @param install installation flag |
| 528 | */ |
| 529 | private void setArpReplyRuleForVlan(InstancePort port, boolean install) { |
| 530 | |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 531 | TrafficSelector selector = getArpReplySelectorForVlan(port); |
| 532 | |
| 533 | setLocalArpReplyTreatmentForVlan(selector, port, install); |
| 534 | setRemoteArpReplyTreatmentForVlan(selector, port, install); |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 535 | } |
| 536 | |
| 537 | // a helper method |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 538 | private TrafficSelector getArpReplySelectorForVxlan(InstancePort port) { |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 539 | return getArpReplySelectorForVnet(port, VXLAN); |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 540 | } |
| 541 | |
| 542 | // a helper method |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 543 | private TrafficSelector getArpReplySelectorForGre(InstancePort port) { |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 544 | return getArpReplySelectorForVnet(port, GRE); |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 545 | } |
| 546 | |
| 547 | // a helper method |
Jian Li | 621f73c | 2018-12-15 01:49:22 +0900 | [diff] [blame] | 548 | private TrafficSelector getArpReplySelectorForGeneve(InstancePort port) { |
| 549 | return getArpReplySelectorForVnet(port, GENEVE); |
| 550 | } |
| 551 | |
| 552 | // a helper method |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 553 | private TrafficSelector getArpReplySelectorForVlan(InstancePort port) { |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 554 | return getArpReplySelectorForVnet(port, VLAN); |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 555 | } |
| 556 | |
| 557 | // a helper method |
| 558 | private TrafficSelector getArpReplySelectorForVnet(InstancePort port, |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 559 | Type type) { |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 560 | |
| 561 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 562 | |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 563 | if (type == VLAN) { |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 564 | String segId = osNetworkService.network(port.networkId()).getProviderSegID(); |
| 565 | sBuilder.matchVlanId(VlanId.vlanId(segId)); |
| 566 | } |
| 567 | |
| 568 | return sBuilder |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 569 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 570 | .matchArpOp(ARP.OP_REPLY) |
| 571 | .matchArpTpa(port.ipAddress().getIp4Address()) |
| 572 | .matchArpTha(port.macAddress()) |
| 573 | .build(); |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 574 | } |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 575 | |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 576 | // a helper method |
| 577 | private void setLocalArpReplyTreatmentForVxlan(TrafficSelector selector, |
| 578 | InstancePort port, |
| 579 | boolean install) { |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 580 | setLocalArpReplyTreatmentForVnet(selector, port, VXLAN, install); |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 581 | } |
| 582 | |
| 583 | // a helper method |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 584 | private void setLocalArpReplyTreatmentForGre(TrafficSelector selector, |
| 585 | InstancePort port, |
| 586 | boolean install) { |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 587 | setLocalArpReplyTreatmentForVnet(selector, port, GRE, install); |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 588 | } |
| 589 | |
| 590 | // a helper method |
Jian Li | 621f73c | 2018-12-15 01:49:22 +0900 | [diff] [blame] | 591 | private void setLocalArpReplyTreatmentForGeneve(TrafficSelector selector, |
| 592 | InstancePort port, |
| 593 | boolean install) { |
| 594 | setLocalArpReplyTreatmentForVnet(selector, port, GENEVE, install); |
| 595 | } |
| 596 | |
| 597 | // a helper method |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 598 | private void setLocalArpReplyTreatmentForVlan(TrafficSelector selector, |
| 599 | InstancePort port, |
| 600 | boolean install) { |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 601 | setLocalArpReplyTreatmentForVnet(selector, port, VLAN, install); |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 602 | } |
| 603 | |
| 604 | // a helper method |
| 605 | private void setLocalArpReplyTreatmentForVnet(TrafficSelector selector, |
| 606 | InstancePort port, |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 607 | Type type, |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 608 | boolean install) { |
| 609 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 610 | |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 611 | if (type == VLAN) { |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 612 | tBuilder.popVlan(); |
| 613 | } |
| 614 | |
| 615 | tBuilder.setOutput(port.portNumber()); |
| 616 | |
| 617 | osFlowRuleService.setRule( |
| 618 | appId, |
| 619 | port.deviceId(), |
| 620 | selector, |
| 621 | tBuilder.build(), |
| 622 | PRIORITY_ARP_REPLY_RULE, |
| 623 | ARP_TABLE, |
| 624 | install |
| 625 | ); |
| 626 | } |
| 627 | |
| 628 | // a helper method |
| 629 | private void setLocalArpRequestTreatmentForVlan(TrafficSelector selector, |
| 630 | InstancePort port, |
| 631 | boolean install) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 632 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 633 | .popVlan() |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 634 | .setOutput(port.portNumber()) |
| 635 | .build(); |
| 636 | |
| 637 | osFlowRuleService.setRule( |
| 638 | appId, |
| 639 | port.deviceId(), |
| 640 | selector, |
| 641 | treatment, |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 642 | PRIORITY_ARP_REQUEST_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 643 | ARP_TABLE, |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 644 | install |
| 645 | ); |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 646 | } |
| 647 | |
| 648 | // a helper method |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 649 | private void setRemoteArpTreatmentForTunnel(TrafficSelector selector, |
| 650 | InstancePort port, |
| 651 | OpenstackNode localNode, |
| 652 | boolean install) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 653 | for (OpenstackNode remoteNode : osNodeService.completeNodes(COMPUTE)) { |
| 654 | if (!remoteNode.intgBridge().equals(port.deviceId())) { |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 655 | |
| 656 | PortNumber portNum = tunnelPortNumByNetId(port.networkId(), |
| 657 | osNetworkService, remoteNode); |
| 658 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 659 | TrafficTreatment treatmentToRemote = DefaultTrafficTreatment.builder() |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 660 | .extension(buildExtension( |
| 661 | deviceService, |
| 662 | remoteNode.intgBridge(), |
| 663 | localNode.dataIp().getIp4Address()), |
| 664 | remoteNode.intgBridge()) |
| 665 | .setOutput(portNum) |
| 666 | .build(); |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 667 | |
| 668 | osFlowRuleService.setRule( |
| 669 | appId, |
| 670 | remoteNode.intgBridge(), |
| 671 | selector, |
| 672 | treatmentToRemote, |
| 673 | PRIORITY_ARP_REQUEST_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 674 | ARP_TABLE, |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 675 | install |
| 676 | ); |
| 677 | } |
| 678 | } |
| 679 | } |
| 680 | |
| 681 | // a helper method |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 682 | private void setRemoteArpRequestTreatmentForVlan(TrafficSelector selector, |
| 683 | InstancePort port, |
| 684 | boolean install) { |
| 685 | setRemoteArpTreatmentForVlan(selector, port, ARP.OP_REQUEST, install); |
| 686 | } |
| 687 | |
| 688 | // a helper method |
| 689 | private void setRemoteArpReplyTreatmentForVlan(TrafficSelector selector, |
| 690 | InstancePort port, |
| 691 | boolean install) { |
| 692 | setRemoteArpTreatmentForVlan(selector, port, ARP.OP_REPLY, install); |
| 693 | } |
| 694 | |
| 695 | // a helper method |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 696 | private void setRemoteArpTreatmentForVlan(TrafficSelector selector, |
| 697 | InstancePort port, |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 698 | short arpOp, |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 699 | boolean install) { |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 700 | |
| 701 | int priority; |
| 702 | if (arpOp == ARP.OP_REQUEST) { |
| 703 | priority = PRIORITY_ARP_REQUEST_RULE; |
| 704 | } else if (arpOp == ARP.OP_REPLY) { |
| 705 | priority = PRIORITY_ARP_REPLY_RULE; |
| 706 | } else { |
| 707 | // if ARP op does not match with any operation mode, we simply |
| 708 | // configure the ARP request rule priority |
| 709 | priority = PRIORITY_ARP_REQUEST_RULE; |
| 710 | } |
| 711 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 712 | for (OpenstackNode remoteNode : osNodeService.completeNodes(COMPUTE)) { |
Jian Li | 5ecfd1a | 2018-12-10 11:41:03 +0900 | [diff] [blame] | 713 | if (!remoteNode.intgBridge().equals(port.deviceId()) && |
| 714 | remoteNode.vlanIntf() != null) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 715 | TrafficTreatment treatmentToRemote = DefaultTrafficTreatment.builder() |
| 716 | .setOutput(remoteNode.vlanPortNum()) |
| 717 | .build(); |
| 718 | |
| 719 | osFlowRuleService.setRule( |
| 720 | appId, |
| 721 | remoteNode.intgBridge(), |
| 722 | selector, |
| 723 | treatmentToRemote, |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 724 | priority, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 725 | ARP_TABLE, |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 726 | install); |
| 727 | } |
| 728 | } |
| 729 | } |
| 730 | |
| 731 | /** |
| 732 | * Extracts properties from the component configuration context. |
| 733 | * |
| 734 | * @param context the component context |
| 735 | */ |
| 736 | private void readComponentConfiguration(ComponentContext context) { |
| 737 | Dictionary<?, ?> properties = context.getProperties(); |
| 738 | |
| 739 | String updatedMac = Tools.get(properties, GATEWAY_MAC); |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame] | 740 | gatewayMac = updatedMac != null ? updatedMac : GATEWAY_MAC_DEFAULT; |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 741 | log.info("Configured. Gateway MAC is {}", gatewayMac); |
| 742 | } |
| 743 | |
| 744 | /** |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 745 | * An internal packet processor which processes ARP request, and results in |
| 746 | * packet-out ARP reply. |
| 747 | */ |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 748 | private class InternalPacketProcessor implements PacketProcessor { |
| 749 | |
| 750 | @Override |
| 751 | public void process(PacketContext context) { |
| 752 | if (context.isHandled()) { |
| 753 | return; |
| 754 | } |
| 755 | |
| 756 | Ethernet ethPacket = context.inPacket().parsed(); |
| 757 | if (ethPacket == null || ethPacket.getEtherType() != Ethernet.TYPE_ARP) { |
| 758 | return; |
| 759 | } |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 760 | |
| 761 | eventExecutor.execute(() -> processPacketIn(context, ethPacket)); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 762 | } |
| 763 | } |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 764 | |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 765 | /** |
| 766 | * An internal network listener which listens to openstack network event, |
| 767 | * manages the gateway collection and installs flow rule that handles |
| 768 | * ARP request in data plane. |
| 769 | */ |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 770 | private class InternalOpenstackNetworkListener implements OpenstackNetworkListener { |
| 771 | |
| 772 | @Override |
| 773 | public boolean isRelevant(OpenstackNetworkEvent event) { |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 774 | Network network = event.subject(); |
Jian Li | bb4f541 | 2018-04-12 09:48:50 +0900 | [diff] [blame] | 775 | |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 776 | if (network == null) { |
| 777 | log.warn("Network is not specified."); |
| 778 | return false; |
| 779 | } else { |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 780 | return network.getProviderSegID() != null; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 781 | } |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 782 | } |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 783 | |
Jian Li | 5b155bf | 2018-11-21 18:16:26 +0900 | [diff] [blame] | 784 | private boolean isRelevantHelper() { |
| 785 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 786 | } |
| 787 | |
| 788 | @Override |
| 789 | public void event(OpenstackNetworkEvent event) { |
| 790 | switch (event.type()) { |
| 791 | case OPENSTACK_SUBNET_CREATED: |
| 792 | case OPENSTACK_SUBNET_UPDATED: |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 793 | eventExecutor.execute(() -> processSubnetCreation(event)); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 794 | break; |
| 795 | case OPENSTACK_SUBNET_REMOVED: |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 796 | eventExecutor.execute(() -> processSubnetRemoval(event)); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 797 | break; |
| 798 | case OPENSTACK_NETWORK_CREATED: |
| 799 | case OPENSTACK_NETWORK_UPDATED: |
| 800 | case OPENSTACK_NETWORK_REMOVED: |
| 801 | case OPENSTACK_PORT_CREATED: |
| 802 | case OPENSTACK_PORT_UPDATED: |
| 803 | case OPENSTACK_PORT_REMOVED: |
| 804 | default: |
| 805 | // do nothing for the other events |
| 806 | break; |
| 807 | } |
| 808 | } |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 809 | |
| 810 | private void processSubnetCreation(OpenstackNetworkEvent event) { |
| 811 | if (!isRelevantHelper()) { |
| 812 | return; |
| 813 | } |
| 814 | |
| 815 | setFakeGatewayArpRule(event.subnet(), event.subject(), |
| 816 | true, null); |
| 817 | } |
| 818 | |
| 819 | private void processSubnetRemoval(OpenstackNetworkEvent event) { |
| 820 | if (!isRelevantHelper()) { |
| 821 | return; |
| 822 | } |
| 823 | |
| 824 | setFakeGatewayArpRule(event.subnet(), event.subject(), |
| 825 | false, null); |
| 826 | } |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 827 | } |
| 828 | |
| 829 | /** |
| 830 | * An internal openstack node listener which is used for listening openstack |
| 831 | * node activity. As long as a node is in complete state, we will install |
| 832 | * default ARP rule to handle ARP request. |
| 833 | */ |
| 834 | private class InternalNodeEventListener implements OpenstackNodeListener { |
Jian Li | fb64d88 | 2018-11-27 10:57:40 +0900 | [diff] [blame] | 835 | @Override |
| 836 | public boolean isRelevant(OpenstackNodeEvent event) { |
| 837 | return event.subject().type() == COMPUTE; |
| 838 | } |
| 839 | |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 840 | private boolean isRelevantHelper() { |
| 841 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 842 | } |
| 843 | |
| 844 | @Override |
| 845 | public void event(OpenstackNodeEvent event) { |
| 846 | OpenstackNode osNode = event.subject(); |
| 847 | switch (event.type()) { |
| 848 | case OPENSTACK_NODE_COMPLETE: |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 849 | eventExecutor.execute(() -> processNodeCompletion(osNode)); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 850 | break; |
| 851 | case OPENSTACK_NODE_INCOMPLETE: |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 852 | eventExecutor.execute(() -> processNodeIncompletion(osNode)); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 853 | break; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 854 | default: |
| 855 | break; |
| 856 | } |
| 857 | } |
| 858 | |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 859 | private void processNodeCompletion(OpenstackNode osNode) { |
| 860 | if (!isRelevantHelper()) { |
| 861 | return; |
| 862 | } |
| 863 | |
| 864 | setDefaultArpRule(osNode, true); |
| 865 | setAllArpRules(osNode, true); |
| 866 | } |
| 867 | |
| 868 | private void processNodeIncompletion(OpenstackNode osNode) { |
| 869 | if (!isRelevantHelper()) { |
| 870 | return; |
| 871 | } |
| 872 | |
| 873 | setDefaultArpRule(osNode, false); |
| 874 | setAllArpRules(osNode, false); |
| 875 | } |
| 876 | |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 877 | private void setDefaultArpRule(OpenstackNode osNode, boolean install) { |
Jian Li | bcc4228 | 2018-09-13 20:59:34 +0900 | [diff] [blame] | 878 | |
| 879 | if (getArpMode() == null) { |
| 880 | return; |
| 881 | } |
| 882 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 883 | switch (getArpMode()) { |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 884 | case ARP_PROXY_MODE: |
| 885 | setDefaultArpRuleForProxyMode(osNode, install); |
| 886 | break; |
| 887 | case ARP_BROADCAST_MODE: |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 888 | processDefaultArpRuleForBroadcastMode(osNode, install); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 889 | break; |
| 890 | default: |
| 891 | log.warn("Invalid ARP mode {}. Please use either " + |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 892 | "broadcast or proxy mode.", getArpMode()); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 893 | break; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 894 | } |
| 895 | } |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 896 | |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 897 | private void processDefaultArpRuleForBroadcastMode(OpenstackNode osNode, |
| 898 | boolean install) { |
| 899 | setDefaultArpRuleForBroadcastMode(osNode, install); |
| 900 | |
| 901 | // we do not add fake gateway ARP rules for FLAT network |
| 902 | // ARP packets generated by FLAT typed VM should not be |
| 903 | // delegated to switch to handle |
| 904 | osNetworkService.subnets().stream().filter(subnet -> |
| 905 | osNetworkService.network(subnet.getNetworkId()) != null && |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 906 | osNetworkService.networkType(subnet.getNetworkId()) != FLAT) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 907 | .forEach(subnet -> { |
| 908 | String netId = subnet.getNetworkId(); |
| 909 | Network net = osNetworkService.network(netId); |
| 910 | setFakeGatewayArpRule(subnet, net, install, osNode); |
| 911 | }); |
| 912 | } |
| 913 | |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 914 | private void setDefaultArpRuleForProxyMode(OpenstackNode osNode, boolean install) { |
| 915 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 916 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 917 | .build(); |
| 918 | |
| 919 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 920 | .punt() |
| 921 | .build(); |
| 922 | |
| 923 | osFlowRuleService.setRule( |
| 924 | appId, |
| 925 | osNode.intgBridge(), |
| 926 | selector, |
| 927 | treatment, |
| 928 | PRIORITY_ARP_CONTROL_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 929 | ARP_TABLE, |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 930 | install |
| 931 | ); |
| 932 | } |
| 933 | |
| 934 | private void setDefaultArpRuleForBroadcastMode(OpenstackNode osNode, boolean install) { |
| 935 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 936 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 937 | .matchArpOp(ARP.OP_REQUEST) |
| 938 | .build(); |
| 939 | |
| 940 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 941 | .setOutput(PortNumber.FLOOD) |
| 942 | .build(); |
| 943 | |
| 944 | osFlowRuleService.setRule( |
| 945 | appId, |
| 946 | osNode.intgBridge(), |
| 947 | selector, |
| 948 | treatment, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 949 | PRIORITY_ARP_FLOOD_RULE, |
| 950 | ARP_TABLE, |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 951 | install |
| 952 | ); |
| 953 | } |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 954 | |
Jian Li | 5b66ce0 | 2018-07-09 22:43:54 +0900 | [diff] [blame] | 955 | private void setAllArpRules(OpenstackNode osNode, boolean install) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 956 | if (ARP_BROADCAST_MODE.equals(getArpMode())) { |
Jian Li | 5b66ce0 | 2018-07-09 22:43:54 +0900 | [diff] [blame] | 957 | instancePortService.instancePorts().stream() |
Jian Li | c240359 | 2018-07-18 12:56:45 +0900 | [diff] [blame] | 958 | .filter(p -> p.state() == ACTIVE) |
Jian Li | 5b66ce0 | 2018-07-09 22:43:54 +0900 | [diff] [blame] | 959 | .filter(p -> p.deviceId().equals(osNode.intgBridge())) |
| 960 | .forEach(p -> { |
| 961 | setArpRequestRule(p, install); |
| 962 | setArpReplyRule(p, install); |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 963 | }); |
| 964 | } |
| 965 | } |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 966 | } |
| 967 | |
| 968 | /** |
| 969 | * An internal instance port listener which listens the port events generated |
| 970 | * from VM. When ARP a host which located in a remote compute node, we specify |
| 971 | * both ARP OP mode as REQUEST and Target Protocol Address (TPA) with |
| 972 | * host IP address. When ARP a host which located in a local compute node, |
| 973 | * we specify only ARP OP mode as REQUEST. |
| 974 | */ |
| 975 | private class InternalInstancePortListener implements InstancePortListener { |
| 976 | |
| 977 | @Override |
| 978 | public boolean isRelevant(InstancePortEvent event) { |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 979 | return ARP_BROADCAST_MODE.equals(getArpMode()); |
| 980 | } |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 981 | |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 982 | private boolean isRelevantHelper(InstancePortEvent event) { |
| 983 | return mastershipService.isLocalMaster(event.subject().deviceId()); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 984 | } |
| 985 | |
| 986 | @Override |
| 987 | public void event(InstancePortEvent event) { |
| 988 | switch (event.type()) { |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 989 | case OPENSTACK_INSTANCE_PORT_DETECTED: |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 990 | case OPENSTACK_INSTANCE_PORT_UPDATED: |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 991 | case OPENSTACK_INSTANCE_MIGRATION_STARTED: |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 992 | eventExecutor.execute(() -> processInstanceMigrationStart(event)); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 993 | break; |
| 994 | case OPENSTACK_INSTANCE_PORT_VANISHED: |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 995 | eventExecutor.execute(() -> processInstanceRemoval(event)); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 996 | break; |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 997 | case OPENSTACK_INSTANCE_MIGRATION_ENDED: |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 998 | eventExecutor.execute(() -> processInstanceMigrationEnd(event)); |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 999 | break; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 1000 | default: |
| 1001 | break; |
| 1002 | } |
| 1003 | } |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 1004 | |
| 1005 | private void processInstanceMigrationStart(InstancePortEvent event) { |
| 1006 | if (!isRelevantHelper(event)) { |
| 1007 | return; |
| 1008 | } |
| 1009 | |
| 1010 | setArpRequestRule(event.subject(), true); |
| 1011 | setArpReplyRule(event.subject(), true); |
| 1012 | } |
| 1013 | |
| 1014 | private void processInstanceMigrationEnd(InstancePortEvent event) { |
| 1015 | if (!isRelevantHelper(event)) { |
| 1016 | return; |
| 1017 | } |
| 1018 | |
| 1019 | InstancePort revisedInstPort = swapStaleLocation(event.subject()); |
| 1020 | setArpRequestRule(revisedInstPort, false); |
| 1021 | } |
| 1022 | |
| 1023 | private void processInstanceRemoval(InstancePortEvent event) { |
| 1024 | if (!isRelevantHelper(event)) { |
| 1025 | return; |
| 1026 | } |
| 1027 | |
| 1028 | setArpRequestRule(event.subject(), false); |
| 1029 | setArpReplyRule(event.subject(), false); |
| 1030 | } |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1031 | } |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 1032 | } |