diff options
Diffstat (limited to 'framework/src/onos/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/table/impl/ArpServiceImpl.java')
-rw-r--r-- | framework/src/onos/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/table/impl/ArpServiceImpl.java | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/framework/src/onos/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/table/impl/ArpServiceImpl.java b/framework/src/onos/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/table/impl/ArpServiceImpl.java new file mode 100644 index 00000000..574d15a7 --- /dev/null +++ b/framework/src/onos/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/table/impl/ArpServiceImpl.java @@ -0,0 +1,113 @@ +/* + * Copyright 2015 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.slf4j.LoggerFactory.getLogger; + +import org.onlab.osgi.DefaultServiceDirectory; +import org.onlab.osgi.ServiceDirectory; +import org.onlab.packet.EthType.EtherType; +import org.onlab.packet.Ip4Address; +import org.onlab.packet.IpAddress; +import org.onlab.packet.MacAddress; +import org.onosproject.core.ApplicationId; +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.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.instructions.ExtensionTreatment; +import org.onosproject.net.flow.instructions.ExtensionTreatmentType; +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.net.flowobjective.Objective.Operation; +import org.onosproject.vtn.table.ArpService; +import org.onosproject.vtnrsc.SegmentationId; +import org.slf4j.Logger; + +/** + * ArpTable class providing the rules in ARP table. + */ +public class ArpServiceImpl implements ArpService { + private final Logger log = getLogger(getClass()); + + private static final int ARP_PRIORITY = 0xffff; + private static final short ARP_RESPONSE = 0x2; + private static final EtherType ARP_TYPE = EtherType.ARP; + + private final FlowObjectiveService flowObjectiveService; + private final ApplicationId appId; + + /** + * Construct a ArpServiceImpl object. + * + * @param appId the application id of vtn + */ + public ArpServiceImpl(ApplicationId appId) { + this.appId = checkNotNull(appId, "ApplicationId can not be null"); + ServiceDirectory serviceDirectory = new DefaultServiceDirectory(); + this.flowObjectiveService = serviceDirectory.get(FlowObjectiveService.class); + } + + @Override + public void programArpRules(DriverHandler hander, DeviceId deviceId, + IpAddress dstIP, SegmentationId srcVni, + MacAddress dstMac, Operation type) { + TrafficSelector selector = DefaultTrafficSelector.builder() + .matchEthType(ARP_TYPE.ethType().toShort()) + .matchArpTpa(Ip4Address.valueOf(dstIP.toString())) + .matchTunnelId(Long.parseLong(srcVni.segmentationId())).build(); + + ExtensionTreatmentResolver resolver = hander + .behaviour(ExtensionTreatmentResolver.class); + ExtensionTreatment ethSrcToDst = resolver + .getExtensionInstruction(ExtensionTreatmentType.ExtensionTreatmentTypes + .NICIRA_MOV_ETH_SRC_TO_DST.type()); + ExtensionTreatment arpShaToTha = resolver + .getExtensionInstruction(ExtensionTreatmentType.ExtensionTreatmentTypes + .NICIRA_MOV_ARP_SHA_TO_THA.type()); + ExtensionTreatment arpSpaToTpa = resolver + .getExtensionInstruction(ExtensionTreatmentType.ExtensionTreatmentTypes + .NICIRA_MOV_ARP_SPA_TO_TPA.type()); + TrafficTreatment treatment = DefaultTrafficTreatment.builder() + .extension(ethSrcToDst, deviceId) + .setEthSrc(dstMac).setArpOp(ARP_RESPONSE) + .extension(arpShaToTha, deviceId) + .extension(arpSpaToTpa, deviceId) + .setArpSha(dstMac).setArpSpa(dstIP) + .setOutput(PortNumber.IN_PORT).build(); + + ForwardingObjective.Builder objective = DefaultForwardingObjective + .builder().withTreatment(treatment).withSelector(selector) + .fromApp(appId).withFlag(Flag.SPECIFIC) + .withPriority(ARP_PRIORITY); + + if (type.equals(Objective.Operation.ADD)) { + log.debug("PrivateArpRules-->ADD"); + flowObjectiveService.forward(deviceId, objective.add()); + } else { + log.debug("PrivateArpRules-->REMOVE"); + flowObjectiveService.forward(deviceId, objective.remove()); + } + } +} |