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