| /* |
| * Copyright 2015-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.vtn.table.impl; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onosproject.net.flow.instructions.ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_SET_TUNNEL_DST; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| import org.onlab.osgi.DefaultServiceDirectory; |
| import org.onlab.osgi.ServiceDirectory; |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.MacAddress; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.DefaultGroupId; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.behaviour.ExtensionTreatmentResolver; |
| import org.onosproject.net.driver.DriverHandler; |
| import org.onosproject.net.driver.DriverService; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.flow.TrafficTreatment.Builder; |
| import org.onosproject.net.flow.criteria.Criteria; |
| import org.onosproject.net.flow.instructions.ExtensionTreatment; |
| import org.onosproject.net.flowobjective.DefaultForwardingObjective; |
| import org.onosproject.net.flowobjective.FlowObjectiveService; |
| import org.onosproject.net.flowobjective.ForwardingObjective; |
| import org.onosproject.net.flowobjective.ForwardingObjective.Flag; |
| import org.onosproject.net.flowobjective.Objective; |
| import org.onosproject.vtn.table.L2ForwardService; |
| import org.onosproject.vtnrsc.SegmentationId; |
| import org.slf4j.Logger; |
| |
| import com.google.common.collect.Sets; |
| |
| /** |
| * Provides implementation of L2ForwardService. |
| */ |
| public final class L2ForwardServiceImpl implements L2ForwardService { |
| private final Logger log = getLogger(getClass()); |
| |
| private static final int MAC_PRIORITY = 0xffff; |
| public static final Integer GROUP_ID = 1; |
| private final FlowObjectiveService flowObjectiveService; |
| private final ApplicationId appId; |
| private final DriverService driverService; |
| /** |
| * Constructor. |
| * |
| * @param appId the application id of vtn |
| */ |
| public L2ForwardServiceImpl(ApplicationId appId) { |
| this.appId = checkNotNull(appId, "ApplicationId can not be null"); |
| ServiceDirectory serviceDirectory = new DefaultServiceDirectory(); |
| this.flowObjectiveService = serviceDirectory.get(FlowObjectiveService.class); |
| this.driverService = serviceDirectory.get(DriverService.class); |
| } |
| |
| @Override |
| public void programLocalBcastRules(DeviceId deviceId, |
| SegmentationId segmentationId, |
| PortNumber inPort, |
| Iterable<PortNumber> localVmPorts, |
| Iterable<PortNumber> localTunnelPorts, |
| Objective.Operation type) { |
| if (localVmPorts == null || localTunnelPorts == null) { |
| log.info("No other host port and tunnel in the device"); |
| return; |
| } |
| Sets.newHashSet(localVmPorts).forEach(lp -> { |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchInPort(lp).matchEthDst(MacAddress.BROADCAST) |
| .add(Criteria.matchTunnelId(Long |
| .parseLong(segmentationId.toString()))) |
| .build(); |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment |
| .builder(); |
| boolean flag = false; |
| for (PortNumber outPort : localVmPorts) { |
| flag = true; |
| if (outPort != lp) { |
| treatment.setOutput(outPort); |
| } |
| } |
| if (type == Objective.Operation.REMOVE && inPort.equals(lp)) { |
| flag = false; |
| } |
| treatment.group(new DefaultGroupId(GROUP_ID)); |
| ForwardingObjective.Builder objective = DefaultForwardingObjective |
| .builder().withTreatment(treatment.build()) |
| .withSelector(selector).fromApp(appId).makePermanent() |
| .withFlag(Flag.SPECIFIC).withPriority(MAC_PRIORITY); |
| if (flag) { |
| flowObjectiveService.forward(deviceId, objective.add()); |
| } else { |
| flowObjectiveService.forward(deviceId, objective.remove()); |
| } |
| }); |
| } |
| |
| @Override |
| public void programTunnelBcastRules(DeviceId deviceId, |
| SegmentationId segmentationId, |
| Iterable<PortNumber> localVmPorts, |
| Iterable<PortNumber> localTunnelPorts, |
| Objective.Operation type) { |
| if (localVmPorts == null || localTunnelPorts == null) { |
| log.info("No other host port or tunnel ports in the device"); |
| return; |
| } |
| Sets.newHashSet(localTunnelPorts).forEach(tp -> { |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchInPort(tp) |
| .add(Criteria.matchTunnelId(Long |
| .parseLong(segmentationId.toString()))) |
| .matchEthDst(MacAddress.BROADCAST).build(); |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment |
| .builder(); |
| |
| for (PortNumber outPort : localVmPorts) { |
| treatment.setOutput(outPort); |
| } |
| |
| ForwardingObjective.Builder objective = DefaultForwardingObjective |
| .builder().withTreatment(treatment.build()) |
| .withSelector(selector).fromApp(appId).makePermanent() |
| .withFlag(Flag.SPECIFIC).withPriority(MAC_PRIORITY); |
| if (type.equals(Objective.Operation.ADD)) { |
| if (Sets.newHashSet(localVmPorts).isEmpty()) { |
| flowObjectiveService.forward(deviceId, objective.remove()); |
| } else { |
| flowObjectiveService.forward(deviceId, objective.add()); |
| } |
| } else { |
| flowObjectiveService.forward(deviceId, objective.remove()); |
| } |
| }); |
| } |
| |
| @Override |
| public void programLocalOut(DeviceId deviceId, |
| SegmentationId segmentationId, |
| PortNumber outPort, MacAddress sourceMac, |
| Objective.Operation type) { |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchTunnelId(Long.parseLong(segmentationId.toString())) |
| .matchEthDst(sourceMac).build(); |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .setOutput(outPort).build(); |
| ForwardingObjective.Builder objective = DefaultForwardingObjective |
| .builder().withTreatment(treatment).withSelector(selector) |
| .fromApp(appId).withFlag(Flag.SPECIFIC) |
| .withPriority(MAC_PRIORITY); |
| if (type.equals(Objective.Operation.ADD)) { |
| flowObjectiveService.forward(deviceId, objective.add()); |
| } else { |
| flowObjectiveService.forward(deviceId, objective.remove()); |
| } |
| |
| } |
| |
| @Override |
| public void programExternalOut(DeviceId deviceId, |
| SegmentationId segmentationId, |
| PortNumber outPort, MacAddress sourceMac, |
| Objective.Operation type) { |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchTunnelId(Long.parseLong(segmentationId.toString())) |
| .matchEthSrc(sourceMac).build(); |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .setOutput(outPort).build(); |
| ForwardingObjective.Builder objective = DefaultForwardingObjective |
| .builder().withTreatment(treatment).withSelector(selector) |
| .fromApp(appId).withFlag(Flag.SPECIFIC) |
| .withPriority(MAC_PRIORITY); |
| if (type.equals(Objective.Operation.ADD)) { |
| flowObjectiveService.forward(deviceId, objective.add()); |
| } else { |
| flowObjectiveService.forward(deviceId, objective.remove()); |
| } |
| |
| } |
| |
| @Override |
| public void programTunnelOut(DeviceId deviceId, |
| SegmentationId segmentationId, |
| PortNumber tunnelOutPort, MacAddress dstMac, |
| Objective.Operation type, IpAddress ipAddress) { |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchEthDst(dstMac).add(Criteria.matchTunnelId(Long |
| .parseLong(segmentationId.toString()))) |
| .build(); |
| |
| DriverHandler handler = driverService.createHandler(deviceId); |
| ExtensionTreatmentResolver resolver = handler.behaviour(ExtensionTreatmentResolver.class); |
| ExtensionTreatment treatment = resolver.getExtensionInstruction(NICIRA_SET_TUNNEL_DST.type()); |
| try { |
| treatment.setPropertyValue("tunnelDst", Ip4Address.valueOf(ipAddress.toString())); |
| } catch (Exception e) { |
| log.error("Failed to get extension instruction to set tunnel dst {}", deviceId); |
| } |
| |
| Builder builder = DefaultTrafficTreatment.builder(); |
| builder.extension(treatment, deviceId) |
| .setOutput(tunnelOutPort).build(); |
| ForwardingObjective.Builder objective = DefaultForwardingObjective |
| .builder().withTreatment(builder.build()).withSelector(selector) |
| .fromApp(appId).withFlag(Flag.SPECIFIC) |
| .withPriority(MAC_PRIORITY); |
| if (type.equals(Objective.Operation.ADD)) { |
| flowObjectiveService.forward(deviceId, objective.add()); |
| } else { |
| flowObjectiveService.forward(deviceId, objective.remove()); |
| } |
| |
| } |
| } |