CORD-48 First checkin for enabling OF-DPA driver to support the SR app.
Filtering Objective support added. Driver renamed from OFDPA1 to OFDPA2.
Code refactored within driver to reflect test-code which will be used by
static flow-pusher app in the future.
Change-Id: I7132d8b8eaf28df7c11646c5a35035f258c65af4
diff --git a/drivers/src/main/java/org/onosproject/driver/pipeline/OFDPA2Pipeline.java b/drivers/src/main/java/org/onosproject/driver/pipeline/OFDPA2Pipeline.java
new file mode 100644
index 0000000..fd22969
--- /dev/null
+++ b/drivers/src/main/java/org/onosproject/driver/pipeline/OFDPA2Pipeline.java
@@ -0,0 +1,1345 @@
+/*
+ * 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.driver.pipeline;
+
+import static org.onlab.util.Tools.groupedThreads;
+import static org.slf4j.LoggerFactory.getLogger;
+
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
+
+import org.onlab.osgi.ServiceDirectory;
+import org.onlab.packet.Data;
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.IPv4;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.MPLS;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.MplsLabel;
+import org.onlab.packet.UDP;
+import org.onlab.packet.VlanId;
+import org.onlab.util.KryoNamespace;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.core.DefaultGroupId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.Port;
+import org.onosproject.net.PortNumber;
+import org.onosproject.net.behaviour.NextGroup;
+import org.onosproject.net.behaviour.Pipeliner;
+import org.onosproject.net.behaviour.PipelinerContext;
+import org.onosproject.net.device.DeviceService;
+import org.onosproject.net.driver.AbstractHandlerBehaviour;
+import org.onosproject.net.flow.DefaultFlowRule;
+import org.onosproject.net.flow.DefaultTrafficSelector;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.flow.FlowRule;
+import org.onosproject.net.flow.FlowRuleOperations;
+import org.onosproject.net.flow.FlowRuleOperationsContext;
+import org.onosproject.net.flow.FlowRuleService;
+import org.onosproject.net.flow.TrafficSelector;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.net.flow.criteria.Criteria;
+import org.onosproject.net.flow.criteria.Criterion;
+import org.onosproject.net.flow.criteria.EthCriterion;
+import org.onosproject.net.flow.criteria.EthTypeCriterion;
+import org.onosproject.net.flow.criteria.IPCriterion;
+import org.onosproject.net.flow.criteria.PortCriterion;
+import org.onosproject.net.flow.criteria.VlanIdCriterion;
+import org.onosproject.net.flow.instructions.Instruction;
+import org.onosproject.net.flow.instructions.Instructions.OutputInstruction;
+import org.onosproject.net.flow.instructions.L2ModificationInstruction;
+import org.onosproject.net.flow.instructions.L2ModificationInstruction.ModEtherInstruction;
+import org.onosproject.net.flow.instructions.L2ModificationInstruction.ModVlanIdInstruction;
+import org.onosproject.net.flowobjective.FilteringObjective;
+import org.onosproject.net.flowobjective.FlowObjectiveStore;
+import org.onosproject.net.flowobjective.ForwardingObjective;
+import org.onosproject.net.flowobjective.NextObjective;
+import org.onosproject.net.flowobjective.Objective;
+import org.onosproject.net.flowobjective.ObjectiveError;
+import org.onosproject.net.group.DefaultGroupBucket;
+import org.onosproject.net.group.DefaultGroupDescription;
+import org.onosproject.net.group.DefaultGroupKey;
+import org.onosproject.net.group.Group;
+import org.onosproject.net.group.GroupBucket;
+import org.onosproject.net.group.GroupBuckets;
+import org.onosproject.net.group.GroupDescription;
+import org.onosproject.net.group.GroupEvent;
+import org.onosproject.net.group.GroupKey;
+import org.onosproject.net.group.GroupListener;
+import org.onosproject.net.group.GroupService;
+import org.onosproject.net.packet.DefaultOutboundPacket;
+import org.onosproject.net.packet.OutboundPacket;
+import org.onosproject.net.packet.PacketContext;
+import org.onosproject.net.packet.PacketProcessor;
+import org.onosproject.net.packet.PacketService;
+import org.onosproject.store.serializers.KryoNamespaces;
+import org.slf4j.Logger;
+
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.RemovalCause;
+import com.google.common.cache.RemovalNotification;
+
+/**
+ * Driver for Broadcom's OF-DPA v2.0 TTP.
+ *
+ */
+public class OFDPA2Pipeline extends AbstractHandlerBehaviour implements Pipeliner {
+
+ protected static final int PORT_TABLE = 0;
+ protected static final int VLAN_TABLE = 10;
+ protected static final int TMAC_TABLE = 20;
+ protected static final int UNICAST_ROUTING_TABLE = 30;
+ protected static final int MULTICAST_ROUTING_TABLE = 40;
+ protected static final int MPLS_TABLE_0 = 23;
+ protected static final int MPLS_TABLE_1 = 24;
+ protected static final int BRIDGING_TABLE = 50;
+ protected static final int ACL_TABLE = 60;
+ protected static final int MAC_LEARNING_TABLE = 254;
+ protected static final long OFPP_MAX = 0xffffff00L;
+
+ private static final int HIGHEST_PRIORITY = 0xffff;
+ private static final int DEFAULT_PRIORITY = 0x8000;
+ protected static final int LOWEST_PRIORITY = 0x0;
+
+ /*
+ * Group keys are normally generated by using the next Objective id. In the
+ * case of a next objective resulting in a group chain, each group derives a
+ * group key from the next objective id in the following way:
+ * The upper 4 bits of the group-key are used to denote the position of the
+ * group in the group chain. For example, in the chain
+ * group0 --> group1 --> group2 --> port
+ * group0's group key would have the upper 4 bits as 0, group1's upper four
+ * bits would be 1, and so on
+ */
+ private static final int GROUP0MASK = 0x0;
+ private static final int GROUP1MASK = 0x10000000;
+
+ /*
+ * OFDPA requires group-id's to have a certain form.
+ * L2 Interface Groups have <4bits-0><12bits-vlanid><16bits-portid>
+ * L3 Unicast Groups have <4bits-2><28bits-index>
+ */
+ private static final int L2INTERFACEMASK = 0x0;
+ private static final int L3UNICASTMASK = 0x20000000;
+ //private static final int MPLSINTERFACEMASK = 0x90000000;
+ private static final int L3ECMPMASK = 0x70000000;
+
+ /*
+ * This driver assigns all incoming untagged packets the same VLAN ID
+ */
+ private static final short UNTAGGED_ASSIGNED_VLAN = 0xffa; // 4090
+
+
+ private final Logger log = getLogger(getClass());
+ private ServiceDirectory serviceDirectory;
+ protected FlowRuleService flowRuleService;
+ private CoreService coreService;
+ private GroupService groupService;
+ private FlowObjectiveStore flowObjectiveStore;
+ protected DeviceId deviceId;
+ protected ApplicationId driverId;
+ protected PacketService packetService;
+ protected DeviceService deviceService;
+ private InternalPacketProcessor processor = new InternalPacketProcessor();
+ private KryoNamespace appKryo = new KryoNamespace.Builder()
+ .register(KryoNamespaces.API)
+ .register(GroupKey.class)
+ .register(DefaultGroupKey.class)
+ .register(OfdpaGroupChain.class)
+ .register(byte[].class)
+ .build();
+
+ private Cache<GroupKey, OfdpaGroupChain> pendingNextObjectives;
+ private ConcurrentHashMap<GroupKey, GroupChainElem> pendingGroups;
+
+ private ScheduledExecutorService groupChecker =
+ Executors.newScheduledThreadPool(2, groupedThreads("onos/pipeliner",
+ "ofdpa2-%d"));
+ private Set<IPCriterion> sentIpFilters = Collections.newSetFromMap(
+ new ConcurrentHashMap<IPCriterion, Boolean>());
+
+ @Override
+ public void init(DeviceId deviceId, PipelinerContext context) {
+ this.serviceDirectory = context.directory();
+ this.deviceId = deviceId;
+
+ pendingNextObjectives = CacheBuilder.newBuilder()
+ .expireAfterWrite(20, TimeUnit.SECONDS)
+ .removalListener((RemovalNotification<GroupKey, OfdpaGroupChain> notification) -> {
+ if (notification.getCause() == RemovalCause.EXPIRED) {
+ fail(notification.getValue().nextObjective(),
+ ObjectiveError.GROUPINSTALLATIONFAILED);
+ }
+ }).build();
+
+ groupChecker.scheduleAtFixedRate(new GroupChecker(), 0, 500, TimeUnit.MILLISECONDS);
+ pendingGroups = new ConcurrentHashMap<GroupKey, GroupChainElem>();
+
+ coreService = serviceDirectory.get(CoreService.class);
+ flowRuleService = serviceDirectory.get(FlowRuleService.class);
+ groupService = serviceDirectory.get(GroupService.class);
+ flowObjectiveStore = context.store();
+ packetService = serviceDirectory.get(PacketService.class);
+ deviceService = serviceDirectory.get(DeviceService.class);
+ packetService.addProcessor(processor, PacketProcessor.director(2));
+ groupService.addListener(new InnerGroupListener());
+
+ driverId = coreService.registerApplication(
+ "org.onosproject.driver.OFDPA2Pipeline");
+
+ // OF-DPA does not require initializing the pipeline as it puts default
+ // rules automatically in the hardware. However emulation of OFDPA in
+ // software switches does require table-miss-entries.
+ initializePipeline();
+
+ }
+
+ protected void initializePipeline() {
+
+ }
+
+ //////////////////////////////////////
+ // Flow Objectives
+ //////////////////////////////////////
+
+ @Override
+ public void filter(FilteringObjective filteringObjective) {
+ if (filteringObjective.type() == FilteringObjective.Type.PERMIT) {
+ processFilter(filteringObjective,
+ filteringObjective.op() == Objective.Operation.ADD,
+ filteringObjective.appId());
+ } else {
+ // Note that packets that don't match the PERMIT filter are
+ // automatically denied. The DENY filter is used to deny packets
+ // that are otherwise permitted by the PERMIT filter.
+ // Use ACL table flow rules here for DENY filtering objectives
+ log.debug("filter objective other than PERMIT currently not supported");
+ fail(filteringObjective, ObjectiveError.UNSUPPORTED);
+ }
+ }
+
+ @Override
+ public void forward(ForwardingObjective fwd) {
+ Collection<FlowRule> rules;
+ FlowRuleOperations.Builder flowOpsBuilder = FlowRuleOperations.builder();
+
+ rules = processForward(fwd);
+ switch (fwd.op()) {
+ case ADD:
+ rules.stream()
+ .filter(rule -> rule != null)
+ .forEach(flowOpsBuilder::add);
+ break;
+ case REMOVE:
+ rules.stream()
+ .filter(rule -> rule != null)
+ .forEach(flowOpsBuilder::remove);
+ break;
+ default:
+ fail(fwd, ObjectiveError.UNKNOWN);
+ log.warn("Unknown forwarding type {}", fwd.op());
+ }
+
+
+ flowRuleService.apply(flowOpsBuilder.build(new FlowRuleOperationsContext() {
+ @Override
+ public void onSuccess(FlowRuleOperations ops) {
+ pass(fwd);
+ }
+
+ @Override
+ public void onError(FlowRuleOperations ops) {
+ fail(fwd, ObjectiveError.FLOWINSTALLATIONFAILED);
+ }
+ }));
+
+ }
+
+ @Override
+ public void next(NextObjective nextObjective) {
+ switch (nextObjective.type()) {
+ case SIMPLE:
+ Collection<TrafficTreatment> treatments = nextObjective.next();
+ if (treatments.size() != 1) {
+ log.error("Next Objectives of type Simple should only have a "
+ + "single Traffic Treatment. Next Objective Id:{}", nextObjective.id());
+ fail(nextObjective, ObjectiveError.BADPARAMS);
+ return;
+ }
+ processSimpleNextObjective(nextObjective);
+ break;
+ case HASHED:
+ case BROADCAST:
+ case FAILOVER:
+ fail(nextObjective, ObjectiveError.UNSUPPORTED);
+ log.warn("Unsupported next objective type {}", nextObjective.type());
+ break;
+ default:
+ fail(nextObjective, ObjectiveError.UNKNOWN);
+ log.warn("Unknown next objective type {}", nextObjective.type());
+ }
+ }
+
+ //////////////////////////////////////
+ // Flow handling
+ //////////////////////////////////////
+
+ /**
+ * As per OFDPA 2.0 TTP, filtering of VLAN ids, MAC addresses (for routing)
+ * and IP addresses configured on switch ports happen in different tables.
+ * Note that IP filtering rules need to be added to the ACL table, as there
+ * is no mechanism to send to controller via IP table.
+ *
+ * @param filt the filtering objective
+ * @param install indicates whether to add or remove the objective
+ * @param applicationId the application that sent this objective
+ */
+ private void processFilter(FilteringObjective filt,
+ boolean install, ApplicationId applicationId) {
+ // This driver only processes filtering criteria defined with switch
+ // ports as the key
+ PortCriterion portCriterion = null;
+ EthCriterion ethCriterion = null;
+ VlanIdCriterion vidCriterion = null;
+ Collection<IPCriterion> ips = new ArrayList<IPCriterion>();
+ if (!filt.key().equals(Criteria.dummy()) &&
+ filt.key().type() == Criterion.Type.IN_PORT) {
+ portCriterion = (PortCriterion) filt.key();
+ } else {
+ log.warn("No key defined in filtering objective from app: {}. Not"
+ + "processing filtering objective", applicationId);
+ fail(filt, ObjectiveError.UNKNOWN);
+ return;
+ }
+ // convert filtering conditions for switch-intfs into flowrules
+ FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
+ for (Criterion criterion : filt.conditions()) {
+ if (criterion.type() == Criterion.Type.ETH_DST) {
+ ethCriterion = (EthCriterion) criterion;
+ } else if (criterion.type() == Criterion.Type.VLAN_VID) {
+ vidCriterion = (VlanIdCriterion) criterion;
+ } else if (criterion.type() == Criterion.Type.IPV4_DST) {
+ ips.add((IPCriterion) criterion);
+ } else {
+ log.error("Unsupported filter {}", criterion);
+ fail(filt, ObjectiveError.UNSUPPORTED);
+ return;
+ }
+ }
+
+ if (ethCriterion == null) {
+ log.debug("filtering objective missing dstMac, cannot program TMAC table");
+ } else {
+ for (FlowRule tmacRule : processEthDstFilter(portCriterion, ethCriterion,
+ vidCriterion, applicationId)) {
+ log.debug("adding MAC filtering rules in TMAC table: {} for dev: {}",
+ tmacRule, deviceId);
+ ops = install ? ops.add(tmacRule) : ops.remove(tmacRule);
+ }
+ }
+
+ if (ethCriterion == null || vidCriterion == null) {
+ log.debug("filtering objective missing dstMac or vlan, cannot program"
+ + "Vlan Table");
+ } else {
+ for (FlowRule vlanRule : processVlanIdFilter(portCriterion, vidCriterion,
+ applicationId)) {
+ log.debug("adding VLAN filtering rule in VLAN table: {} for dev: {}",
+ vlanRule, deviceId);
+ ops = install ? ops.add(vlanRule) : ops.remove(vlanRule);
+ }
+ }
+
+ for (IPCriterion ipaddr : ips) {
+ // since we ignore port information for IP rules, and the same (gateway) IP
+ // can be configured on multiple ports, we make sure that we send
+ // only a single rule to the switch.
+ if (!sentIpFilters.contains(ipaddr)) {
+ sentIpFilters.add(ipaddr);
+ log.debug("adding IP filtering rules in ACL table {} for dev: {}",
+ ipaddr, deviceId);
+ TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
+ TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
+ selector.matchEthType(Ethernet.TYPE_IPV4);
+ selector.matchIPDst(ipaddr.ip());
+ treatment.setOutput(PortNumber.CONTROLLER);
+ FlowRule rule = DefaultFlowRule.builder()
+ .forDevice(deviceId)
+ .withSelector(selector.build())
+ .withTreatment(treatment.build())
+ .withPriority(HIGHEST_PRIORITY)
+ .fromApp(applicationId)
+ .makePermanent()
+ .forTable(ACL_TABLE).build();
+ ops = install ? ops.add(rule) : ops.remove(rule);
+ }
+ }
+
+ // apply filtering flow rules
+ flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
+ @Override
+ public void onSuccess(FlowRuleOperations ops) {
+ log.info("Applied {} filtering rules in device {}",
+ ops.stages().get(0).size(), deviceId);
+ pass(filt);
+ }
+
+ @Override
+ public void onError(FlowRuleOperations ops) {
+ log.info("Failed to apply all filtering rules in dev {}", deviceId);
+ fail(filt, ObjectiveError.FLOWINSTALLATIONFAILED);
+ }
+ }));
+
+ }
+
+ /**
+ * Allows untagged packets into pipeline by assigning a vlan id.
+ * Allows tagged packets into pipeline as per configured port-vlan info.
+ * @param portCriterion port on device for which this filter is programmed
+ * @param vidCriterion vlan assigned to port, or NONE for untagged
+ * @param applicationId for application programming this filter
+ * @return list of FlowRule for port-vlan filters
+ */
+ protected List<FlowRule> processVlanIdFilter(PortCriterion portCriterion,
+ VlanIdCriterion vidCriterion,
+ ApplicationId applicationId) {
+ List<FlowRule> rules = new ArrayList<FlowRule>();
+ TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
+ TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
+ selector.matchVlanId(vidCriterion.vlanId());
+ if (vidCriterion.vlanId() == VlanId.NONE) {
+ // untagged packets are assigned vlans
+ treatment.pushVlan().setVlanId(VlanId.vlanId(UNTAGGED_ASSIGNED_VLAN));
+ // XXX ofdpa may require an additional vlan match on the assigned vlan
+ // and it may not require the push.
+ }
+ treatment.transition(TMAC_TABLE);
+
+ // ofdpa cannot match on ALL portnumber, so we need to use separate
+ // rules for each port.
+ List<PortNumber> portnums = new ArrayList<PortNumber>();
+ if (portCriterion.port() == PortNumber.ALL) {
+ for (Port port : deviceService.getPorts(deviceId)) {
+ if (port.number().toLong() > 0 && port.number().toLong() < OFPP_MAX) {
+ portnums.add(port.number());
+ }
+ }
+ } else {
+ portnums.add(portCriterion.port());
+ }
+ for (PortNumber pnum : portnums) {
+ selector.matchInPort(pnum);
+ FlowRule rule = DefaultFlowRule.builder()
+ .forDevice(deviceId)
+ .withSelector(selector.build())
+ .withTreatment(treatment.build())
+ .withPriority(DEFAULT_PRIORITY)
+ .fromApp(applicationId)
+ .makePermanent()
+ .forTable(VLAN_TABLE).build();
+ rules.add(rule);
+ }
+ return rules;
+ }
+
+ /**
+ * Allows routed packets with correct destination MAC to be directed
+ * to unicast-IP routing table or MPLS forwarding table.
+ * XXX need to add rule for multicast routing.
+ *
+ * @param portCriterion port on device for which this filter is programmed
+ * @param ethCriterion dstMac of device for which is filter is programmed
+ * @param vidCriterion vlan assigned to port, or NONE for untagged
+ * @param applicationId for application programming this filter
+ * @return list of FlowRule for port-vlan filters
+
+ */
+ protected List<FlowRule> processEthDstFilter(PortCriterion portCriterion,
+ EthCriterion ethCriterion,
+ VlanIdCriterion vidCriterion,
+ ApplicationId applicationId) {
+ //handling untagged packets via assigned VLAN
+ if (vidCriterion.vlanId() == VlanId.NONE) {
+ vidCriterion = (VlanIdCriterion) Criteria
+ .matchVlanId(VlanId.vlanId(UNTAGGED_ASSIGNED_VLAN));
+ }
+ // ofdpa cannot match on ALL portnumber, so we need to use separate
+ // rules for each port.
+ List<PortNumber> portnums = new ArrayList<PortNumber>();
+ if (portCriterion.port() == PortNumber.ALL) {
+ for (Port port : deviceService.getPorts(deviceId)) {
+ if (port.number().toLong() > 0 && port.number().toLong() < OFPP_MAX) {
+ portnums.add(port.number());
+ }
+ }
+ } else {
+ portnums.add(portCriterion.port());
+ }
+
+ List<FlowRule> rules = new ArrayList<FlowRule>();
+ for (PortNumber pnum : portnums) {
+ // for unicast IP packets
+ TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
+ TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
+ selector.matchInPort(pnum);
+ selector.matchVlanId(vidCriterion.vlanId());
+ selector.matchEthType(Ethernet.TYPE_IPV4);
+ selector.matchEthDst(ethCriterion.mac());
+ treatment.transition(UNICAST_ROUTING_TABLE);
+ FlowRule rule = DefaultFlowRule.builder()
+ .forDevice(deviceId)
+ .withSelector(selector.build())
+ .withTreatment(treatment.build())
+ .withPriority(DEFAULT_PRIORITY)
+ .fromApp(applicationId)
+ .makePermanent()
+ .forTable(TMAC_TABLE).build();
+ rules.add(rule);
+ //for MPLS packets
+ selector = DefaultTrafficSelector.builder();
+ treatment = DefaultTrafficTreatment.builder();
+ selector.matchInPort(pnum);
+ selector.matchVlanId(vidCriterion.vlanId());
+ selector.matchEthType(Ethernet.MPLS_UNICAST);
+ selector.matchEthDst(ethCriterion.mac());
+ treatment.transition(MPLS_TABLE_0);
+ rule = DefaultFlowRule.builder()
+ .forDevice(deviceId)
+ .withSelector(selector.build())
+ .withTreatment(treatment.build())
+ .withPriority(DEFAULT_PRIORITY)
+ .fromApp(applicationId)
+ .makePermanent()
+ .forTable(TMAC_TABLE).build();
+ rules.add(rule);
+ }
+ return rules;
+ }
+
+ private Collection<FlowRule> processForward(ForwardingObjective fwd) {
+ switch (fwd.flag()) {
+ case SPECIFIC:
+ return processSpecific(fwd);
+ case VERSATILE:
+ return processVersatile(fwd);
+ default:
+ fail(fwd, ObjectiveError.UNKNOWN);
+ log.warn("Unknown forwarding flag {}", fwd.flag());
+ }
+ return Collections.emptySet();
+ }
+
+ /**
+ * In the OF-DPA 2.0 pipeline, versatile forwarding objectives go to the
+ * ACL table.
+ * @param fwd the forwarding objective of type 'versatile'
+ * @return a collection of flow rules to be sent to the switch. An empty
+ * collection may be returned if there is a problem in processing
+ * the flow rule
+ */
+ private Collection<FlowRule> processVersatile(ForwardingObjective fwd) {
+ log.info("Processing versatile forwarding objective");
+ TrafficSelector selector = fwd.selector();
+
+ EthTypeCriterion ethType =
+ (EthTypeCriterion) selector.getCriterion(Criterion.Type.ETH_TYPE);
+ if (ethType == null) {
+ log.error("Versatile forwarding objective must include ethType");
+ fail(fwd, ObjectiveError.BADPARAMS);
+ return Collections.emptySet();
+ }
+ if (fwd.nextId() == null && fwd.treatment() == null) {
+ log.error("Forwarding objective {} from {} must contain "
+ + "nextId or Treatment", fwd.selector(), fwd.appId());
+ return Collections.emptySet();
+ }
+ // XXX driver does not currently do type checking as per Tables 65-67 in
+ // OFDPA 2.0 spec. The only allowed treatment is a punt to the controller.
+ if (fwd.treatment() != null &&
+ fwd.treatment().allInstructions().size() == 1 &&
+ fwd.treatment().allInstructions().get(0).type() == Instruction.Type.OUTPUT) {
+ OutputInstruction o = (OutputInstruction) fwd.treatment().allInstructions().get(0);
+ if (o.port() == PortNumber.CONTROLLER) {
+ FlowRule.Builder ruleBuilder = DefaultFlowRule.builder()
+ .fromApp(fwd.appId())
+ .withPriority(fwd.priority())
+ .forDevice(deviceId)
+ .withSelector(fwd.selector())
+ .withTreatment(fwd.treatment())
+ .makePermanent()
+ .forTable(ACL_TABLE);
+ return Collections.singletonList(ruleBuilder.build());
+ } else {
+ log.warn("Only allowed treatments in versatile forwarding "
+ + "objectives are punts to the controller");
+ return Collections.emptySet();
+ }
+ }
+
+ if (fwd.nextId() != null) {
+ // XXX overide case
+ log.warn("versatile objective --> next Id not yet implemeted");
+ }
+ return Collections.emptySet();
+ }
+
+ /**
+ * In the OF-DPA 2.0 pipeline, specific forwarding refers to the IP table
+ * (unicast or multicast) or the L2 table (mac + vlan).
+ *
+ * @param fwd the forwarding objective of type 'specific'
+ * @return a collection of flow rules. Typically there will be only one
+ * for this type of forwarding objective. An empty set may be
+ * returned if there is an issue in processing the objective.
+ */
+ private Collection<FlowRule> processSpecific(ForwardingObjective fwd) {
+ log.debug("Processing specific forwarding objective");
+ TrafficSelector selector = fwd.selector();
+ EthTypeCriterion ethType =
+ (EthTypeCriterion) selector.getCriterion(Criterion.Type.ETH_TYPE);
+ // XXX currently supporting only the L3 unicast table
+ if (ethType == null || ethType.ethType().toShort() != Ethernet.TYPE_IPV4) {
+ fail(fwd, ObjectiveError.UNSUPPORTED);
+ return Collections.emptySet();
+ }
+
+ TrafficSelector filteredSelector =
+ DefaultTrafficSelector.builder()
+ .matchEthType(Ethernet.TYPE_IPV4)
+ .matchIPDst(
+ ((IPCriterion)
+ selector.getCriterion(Criterion.Type.IPV4_DST)).ip())
+ .build();
+
+ TrafficTreatment.Builder tb = DefaultTrafficTreatment.builder();
+
+ if (fwd.nextId() != null) {
+ NextGroup next = flowObjectiveStore.getNextGroup(fwd.nextId());
+ List<GroupKey> gkeys = appKryo.deserialize(next.data());
+ Group group = groupService.getGroup(deviceId, gkeys.get(0));
+ if (group == null) {
+ log.warn("The group left!");
+ fail(fwd, ObjectiveError.GROUPMISSING);
+ return Collections.emptySet();
+ }
+ tb.deferred().group(group.id());
+ }
+ tb.transition(ACL_TABLE);
+ FlowRule.Builder ruleBuilder = DefaultFlowRule.builder()
+ .fromApp(fwd.appId())
+ .withPriority(fwd.priority())
+ .forDevice(deviceId)
+ .withSelector(filteredSelector)
+ .withTreatment(tb.build());
+
+ if (fwd.permanent()) {
+ ruleBuilder.makePermanent();
+ } else {
+ ruleBuilder.makeTemporary(fwd.timeout());
+ }
+
+ ruleBuilder.forTable(UNICAST_ROUTING_TABLE);
+ return Collections.singletonList(ruleBuilder.build());
+ }
+
+ private void pass(Objective obj) {
+ if (obj.context().isPresent()) {
+ obj.context().get().onSuccess(obj);
+ }
+ }
+
+ private void fail(Objective obj, ObjectiveError error) {
+ if (obj.context().isPresent()) {
+ obj.context().get().onError(obj, error);
+ }
+ }
+
+ //////////////////////////////////////
+ // Group handling
+ //////////////////////////////////////
+
+ /**
+ * As per the OFDPA 2.0 TTP, packets are sent out of ports by using
+ * a chain of groups, namely an L3 Unicast Group that points to an L2 Interface
+ * Group which in turns points to an output port. The Next Objective passed
+ * in by the application has to be broken up into a group chain
+ * to satisfy this TTP.
+ *
+ * @param nextObj the nextObjective of type SIMPLE
+ */
+ private void processSimpleNextObjective(NextObjective nextObj) {
+ // break up simple next objective to GroupChain objects
+ TrafficTreatment treatment = nextObj.next().iterator().next();
+ // for the l2interface group, get vlan and port info
+ // for the l3unicast group, get the src/dst mac and vlan info
+ TrafficTreatment.Builder l3utt = DefaultTrafficTreatment.builder();
+ TrafficTreatment.Builder l2itt = DefaultTrafficTreatment.builder();
+ VlanId vlanid = null;
+ long portNum = 0;
+ for (Instruction ins : treatment.allInstructions()) {
+ if (ins.type() == Instruction.Type.L2MODIFICATION) {
+ L2ModificationInstruction l2ins = (L2ModificationInstruction) ins;
+ switch (l2ins.subtype()) {
+ case ETH_DST:
+ l3utt.setEthDst(((ModEtherInstruction) l2ins).mac());
+ break;
+ case ETH_SRC:
+ l3utt.setEthSrc(((ModEtherInstruction) l2ins).mac());
+ break;
+ case VLAN_ID:
+ vlanid = ((ModVlanIdInstruction) l2ins).vlanId();
+ l3utt.setVlanId(vlanid);
+ break;
+ case DEC_MPLS_TTL:
+ case MPLS_LABEL:
+ case MPLS_POP:
+ case MPLS_PUSH:
+ case VLAN_PCP:
+ case VLAN_POP:
+ case VLAN_PUSH:
+ default:
+ break;
+ }
+ } else if (ins.type() == Instruction.Type.OUTPUT) {
+ portNum = ((OutputInstruction) ins).port().toLong();
+ l2itt.add(ins);
+ } else {
+ log.warn("Driver does not handle this type of TrafficTreatment"
+ + " instruction in nextObjectives: {}", ins.type());
+ }
+ }
+
+ // assemble information for ofdpa l2interface group
+ int l2gk = nextObj.id() | GROUP1MASK;
+ final GroupKey l2groupkey = new DefaultGroupKey(appKryo.serialize(l2gk));
+ Integer l2groupId = L2INTERFACEMASK | (vlanid.toShort() << 16) | (int) portNum;
+
+ // assemble information for ofdpa l3unicast group
+ int l3gk = nextObj.id() | GROUP0MASK;
+ final GroupKey l3groupkey = new DefaultGroupKey(appKryo.serialize(l3gk));
+ Integer l3groupId = L3UNICASTMASK | (int) portNum;
+ l3utt.group(new DefaultGroupId(l2groupId));
+ GroupChainElem gce = new GroupChainElem(l3groupkey, l3groupId,
+ l3utt.build(), nextObj.appId());
+
+ // create object for local and distributed storage
+ List<GroupKey> gkeys = new ArrayList<GroupKey>();
+ gkeys.add(l3groupkey); // group0 in chain
+ gkeys.add(l2groupkey); // group1 in chain
+ OfdpaGroupChain ofdpaGrp = new OfdpaGroupChain(gkeys, nextObj);
+
+ // store l2groupkey with the groupChainElem for the l3group that depends on it
+ pendingGroups.put(l2groupkey, gce);
+
+ // store l3groupkey with the ofdpaGroupChain for the nextObjective that depends on it
+ pendingNextObjectives.put(l3groupkey, ofdpaGrp);
+
+ // create group description for the ofdpa l2interfacegroup and send to groupservice
+ GroupBucket bucket =
+ DefaultGroupBucket.createIndirectGroupBucket(l2itt.build());
+ GroupDescription groupDescription = new DefaultGroupDescription(deviceId,
+ GroupDescription.Type.INDIRECT,
+ new GroupBuckets(Collections.singletonList(bucket)),
+ l2groupkey,
+ l2groupId,
+ nextObj.appId());
+ groupService.addGroup(groupDescription);
+ }
+
+ /**
+ * Processes next element of a group chain. Assumption is that if this
+ * group points to another group, the latter has already been created
+ * and this driver has received notification for it. A second assumption is
+ * that if there is another group waiting for this group then the appropriate
+ * stores already have the information to act upon the notification for the
+ * creating of this group.
+ *
+ * @param gce the group chain element to be processed next
+ */
+ private void processGroupChain(GroupChainElem gce) {
+ GroupBucket bucket = DefaultGroupBucket
+ .createIndirectGroupBucket(gce.getBucketActions());
+ GroupDescription groupDesc = new DefaultGroupDescription(deviceId,
+ GroupDescription.Type.INDIRECT,
+ new GroupBuckets(Collections.singletonList(bucket)),
+ gce.getGkey(),
+ gce.getGivenGroupId(),
+ gce.getAppId());
+ groupService.addGroup(groupDesc);
+ }
+
+
+ private class GroupChecker implements Runnable {
+ @Override
+ public void run() {
+ Set<GroupKey> keys = pendingGroups.keySet().stream()
+ .filter(key -> groupService.getGroup(deviceId, key) != null)
+ .collect(Collectors.toSet());
+ Set<GroupKey> otherkeys = pendingNextObjectives.asMap().keySet().stream()
+ .filter(otherkey -> groupService.getGroup(deviceId, otherkey) != null)
+ .collect(Collectors.toSet());
+ keys.addAll(otherkeys);
+
+ keys.stream().forEach(key -> {
+ //first check for group chain
+ GroupChainElem gce = pendingGroups.remove(key);
+ if (gce != null) {
+ log.info("Group service processed group key {}. Processing next "
+ + "group in group chain with group key {}",
+ appKryo.deserialize(key.key()),
+ appKryo.deserialize(gce.getGkey().key()));
+ processGroupChain(gce);
+ } else {
+ OfdpaGroupChain obj = pendingNextObjectives.getIfPresent(key);
+ log.info("Group service processed group key {}. Done implementing "
+ + "next objective: {}", appKryo.deserialize(key.key()),
+ obj.nextObjective().id());
+ if (obj != null) {
+ pass(obj.nextObjective());
+ pendingNextObjectives.invalidate(key);
+ flowObjectiveStore.putNextGroup(obj.nextObjective().id(), obj);
+ }
+ }
+ });
+ }
+ }
+
+ private class InnerGroupListener implements GroupListener {
+ @Override
+ public void event(GroupEvent event) {
+ log.debug("received group event of type {}", event.type());
+ if (event.type() == GroupEvent.Type.GROUP_ADDED) {
+ GroupKey key = event.subject().appCookie();
+ // first check for group chain
+ GroupChainElem gce = pendingGroups.remove(key);
+ if (gce != null) {
+ log.info("group ADDED with group key {} .. "
+ + "Processing next group in group chain with group key {}",
+ appKryo.deserialize(key.key()),
+ appKryo.deserialize(gce.getGkey().key()));
+ processGroupChain(gce);
+ } else {
+ OfdpaGroupChain obj = pendingNextObjectives.getIfPresent(key);
+ if (obj != null) {
+ log.info("group ADDED with key {}.. Done implementing next "
+ + "objective: {}",
+ appKryo.deserialize(key.key()), obj.nextObjective().id());
+ pass(obj.nextObjective());
+ pendingNextObjectives.invalidate(key);
+ flowObjectiveStore.putNextGroup(obj.nextObjective().id(), obj);
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Represents a group-chain that implements a Next-Objective from
+ * the application. Includes information about the next objective Id, and the
+ * group keys for the groups in the group chain. The chain is expected to
+ * look like group0 --> group 1 --> outPort. Information about the groups
+ * themselves can be fetched from the Group Service using the group keys from
+ * objects instantiating this class.
+ */
+ private class OfdpaGroupChain implements NextGroup {
+ private final NextObjective nextObj;
+ private final List<GroupKey> gkeys;
+
+ /** expected group chain: group0 --> group1 --> port. */
+ public OfdpaGroupChain(List<GroupKey> gkeys, NextObjective nextObj) {
+ this.gkeys = gkeys;
+ this.nextObj = nextObj;
+ }
+
+ @SuppressWarnings("unused")
+ public List<GroupKey> groupKeys() {
+ return gkeys;
+ }
+
+ public NextObjective nextObjective() {
+ return nextObj;
+ }
+
+ @Override
+ public byte[] data() {
+ return appKryo.serialize(gkeys);
+ }
+
+ }
+
+ /**
+ * Represents a group element that is part of a chain of groups.
+ * Stores enough information to create a Group Description to add the group
+ * to the switch by requesting the Group Service. Objects instantiating this
+ * class are meant to be temporary and live as long as it is needed to wait for
+ * preceding groups in the group chain to be created.
+ */
+ private class GroupChainElem {
+ private TrafficTreatment bucketActions;
+ private Integer givenGroupId;
+ private GroupKey gkey;
+ private ApplicationId appId;
+
+ public GroupChainElem(GroupKey gkey, Integer givenGroupId,
+ TrafficTreatment tr, ApplicationId appId) {
+ this.bucketActions = tr;
+ this.givenGroupId = givenGroupId;
+ this.gkey = gkey;
+ this.appId = appId;
+ }
+
+ public TrafficTreatment getBucketActions() {
+ return bucketActions;
+ }
+
+ public Integer getGivenGroupId() {
+ return givenGroupId;
+ }
+
+ public GroupKey getGkey() {
+ return gkey;
+ }
+
+ public ApplicationId getAppId() {
+ return appId;
+ }
+
+ }
+
+ //////////////////////////////////////
+ // Test code to be used for future
+ // static-flow-pusher app
+ //////////////////////////////////////
+
+ public void processStaticFlows() {
+ //processPortTable();
+ processGroupTable();
+ processVlanTable();
+ processTmacTable();
+ processIpTable();
+ //processMcastTable();
+ //processBridgingTable();
+ processAclTable();
+ sendPackets();
+ processMplsTable();
+ }
+
+ protected void processGroupTable() {
+ TrafficTreatment.Builder act = DefaultTrafficTreatment.builder();
+
+ act.popVlan(); // to send out untagged packets
+ act.setOutput(PortNumber.portNumber(24));
+ GroupBucket bucket =
+ DefaultGroupBucket.createIndirectGroupBucket(act.build());
+ final GroupKey groupkey = new DefaultGroupKey(appKryo.serialize(500));
+ Integer groupId = 0x00c80018; //l2 interface, vlan 200, port 24
+ GroupDescription groupDescription = new DefaultGroupDescription(deviceId,
+ GroupDescription.Type.INDIRECT,
+ new GroupBuckets(Collections.singletonList(bucket)),
+ groupkey,
+ groupId,
+ driverId);
+ groupService.addGroup(groupDescription);
+
+ TrafficTreatment.Builder act2 = DefaultTrafficTreatment.builder();
+ act2.setOutput(PortNumber.portNumber(40));
+ GroupBucket bucket2 = DefaultGroupBucket.createIndirectGroupBucket(act2.build());
+ final GroupKey groupkey2 = new DefaultGroupKey(appKryo.serialize(502));
+ Integer groupId2 = 0x00c50028; //l2 interface, vlan 197, port 40
+ GroupDescription groupDescription2 = new DefaultGroupDescription(deviceId,
+ GroupDescription.Type.INDIRECT,
+ new GroupBuckets(Collections.singletonList(bucket2)),
+ groupkey2,
+ groupId2,
+ driverId);
+ groupService.addGroup(groupDescription2);
+
+ while (groupService.getGroup(deviceId, groupkey2) == null) {
+ try {
+ Thread.sleep(500);
+ } catch (InterruptedException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+
+ //Now for L3 Unicast group
+ TrafficTreatment.Builder act3 = DefaultTrafficTreatment.builder();
+ act3.setEthDst(MacAddress.valueOf(0x2020));
+ act3.setEthSrc(MacAddress.valueOf(0x1010));
+ act3.setVlanId(VlanId.vlanId((short) 200));
+ act3.group(new DefaultGroupId(0x00c80018)); // point to L2 interface
+ // MPLS interface group - does not work for popping single label
+ //Integer secGroupId = MPLSINTERFACEMASK | 38; // 0x90000026
+ Integer groupId3 = L3UNICASTMASK | 1; // 0x20000001
+ GroupBucket bucket3 =
+ DefaultGroupBucket.createIndirectGroupBucket(act3.build());
+ final GroupKey groupkey3 = new DefaultGroupKey(appKryo.serialize(503));
+ GroupDescription groupDescription3 = new DefaultGroupDescription(deviceId,
+ GroupDescription.Type.INDIRECT,
+ new GroupBuckets(Collections.singletonList(bucket3)),
+ groupkey3,
+ groupId3,
+ driverId);
+ groupService.addGroup(groupDescription3);
+
+ //Another L3 Unicast group
+ TrafficTreatment.Builder act4 = DefaultTrafficTreatment.builder();
+ act4.setEthDst(MacAddress.valueOf(0x3030));
+ act4.setEthSrc(MacAddress.valueOf(0x1010));
+ act4.setVlanId(VlanId.vlanId((short) 197));
+ act4.group(new DefaultGroupId(0x00c50028)); // point to L2 interface
+ Integer groupId4 = L3UNICASTMASK | 2; // 0x20000002
+ GroupBucket bucket4 =
+ DefaultGroupBucket.createIndirectGroupBucket(act4.build());
+ final GroupKey groupkey4 = new DefaultGroupKey(appKryo.serialize(504));
+ GroupDescription groupDescription4 = new DefaultGroupDescription(deviceId,
+ GroupDescription.Type.INDIRECT,
+ new GroupBuckets(Collections.singletonList(bucket4)),
+ groupkey4,
+ groupId4,
+ driverId);
+ groupService.addGroup(groupDescription4);
+
+ while (groupService.getGroup(deviceId, groupkey4) == null) {
+ try {
+ Thread.sleep(500);
+ } catch (InterruptedException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+
+ // L3 ecmp group
+ TrafficTreatment.Builder act5 = DefaultTrafficTreatment.builder();
+ act5.group(new DefaultGroupId(0x20000001));
+ TrafficTreatment.Builder act6 = DefaultTrafficTreatment.builder();
+ act6.group(new DefaultGroupId(0x20000002));
+ GroupBucket buckete1 =
+ DefaultGroupBucket.createSelectGroupBucket(act5.build());
+ GroupBucket buckete2 =
+ DefaultGroupBucket.createSelectGroupBucket(act6.build());
+ List<GroupBucket> bktlist = new ArrayList<GroupBucket>();
+ bktlist.add(buckete1);
+ bktlist.add(buckete2);
+ final GroupKey groupkey5 = new DefaultGroupKey(appKryo.serialize(505));
+ Integer groupId5 = L3ECMPMASK | 5; // 0x70000005
+ GroupDescription groupDescription5 = new DefaultGroupDescription(deviceId,
+ GroupDescription.Type.SELECT,
+ new GroupBuckets(bktlist),
+ groupkey5,
+ groupId5,
+ driverId);
+ groupService.addGroup(groupDescription5);
+
+
+ }
+
+ @SuppressWarnings("deprecation")
+ protected void processMplsTable() {
+ FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
+ TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
+ selector.matchEthType(Ethernet.MPLS_UNICAST);
+ selector.matchMplsLabel(MplsLabel.mplsLabel(0xff)); //255
+ selector.matchMplsBos(true);
+ TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
+ treatment.decMplsTtl(); // nw_ttl does not work
+ treatment.copyTtlIn();
+ treatment.popMpls(Ethernet.TYPE_IPV4);
+ treatment.deferred().group(new DefaultGroupId(0x20000001)); // point to L3 Unicast
+ //treatment.deferred().group(new DefaultGroupId(0x70000005)); // point to L3 ECMP
+ treatment.transition(ACL_TABLE);
+ FlowRule test = DefaultFlowRule.builder().forDevice(deviceId)
+ .withSelector(selector.build()).withTreatment(treatment.build())
+ .withPriority(DEFAULT_PRIORITY).fromApp(driverId).makePermanent()
+ .forTable(24).build();
+ ops = ops.add(test);
+
+ flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
+ @Override
+ public void onSuccess(FlowRuleOperations ops) {
+ log.info("Initialized mpls table");
+ }
+
+ @Override
+ public void onError(FlowRuleOperations ops) {
+ log.info("Failed to initialize mpls table");
+ }
+ }));
+
+ }
+
+ protected void processPortTable() {
+ FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
+ TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
+ selector.matchInPort(PortNumber.portNumber(0)); // should be maskable?
+ TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
+ treatment.transition(VLAN_TABLE);
+ FlowRule tmisse = DefaultFlowRule.builder()
+ .forDevice(deviceId)
+ .withSelector(selector.build())
+ .withTreatment(treatment.build())
+ .withPriority(LOWEST_PRIORITY)
+ .fromApp(driverId)
+ .makePermanent()
+ .forTable(PORT_TABLE).build();
+ ops = ops.add(tmisse);
+
+ flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
+ @Override
+ public void onSuccess(FlowRuleOperations ops) {
+ log.info("Initialized port table");
+ }
+
+ @Override
+ public void onError(FlowRuleOperations ops) {
+ log.info("Failed to initialize port table");
+ }
+ }));
+
+ }
+
+ private void processVlanTable() {
+ // Table miss entry is not required as ofdpa default is to drop
+ // In OF terms, the absence of a t.m.e. also implies drop
+ FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
+ TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
+ TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
+ selector.matchInPort(PortNumber.portNumber(12));
+ selector.matchVlanId(VlanId.vlanId((short) 100));
+ treatment.transition(TMAC_TABLE);
+ FlowRule rule = DefaultFlowRule.builder()
+ .forDevice(deviceId)
+ .withSelector(selector.build())
+ .withTreatment(treatment.build())
+ .withPriority(DEFAULT_PRIORITY)
+ .fromApp(driverId)
+ .makePermanent()
+ .forTable(VLAN_TABLE).build();
+ ops = ops.add(rule);
+ flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
+ @Override
+ public void onSuccess(FlowRuleOperations ops) {
+ log.info("Initialized vlan table");
+ }
+
+ @Override
+ public void onError(FlowRuleOperations ops) {
+ log.info("Failed to initialize vlan table");
+ }
+ }));
+ }
+
+ protected void processTmacTable() {
+ //table miss entry
+ FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
+ TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
+ TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
+ selector.matchInPort(PortNumber.portNumber(12));
+ selector.matchVlanId(VlanId.vlanId((short) 100));
+ selector.matchEthType(Ethernet.TYPE_IPV4);
+ selector.matchEthDst(MacAddress.valueOf("00:00:00:00:00:02"));
+ treatment.transition(UNICAST_ROUTING_TABLE);
+ FlowRule rule = DefaultFlowRule.builder()
+ .forDevice(deviceId)
+ .withSelector(selector.build())
+ .withTreatment(treatment.build())
+ .withPriority(DEFAULT_PRIORITY)
+ .fromApp(driverId)
+ .makePermanent()
+ .forTable(TMAC_TABLE).build();
+ ops = ops.add(rule);
+
+ selector.matchEthType(Ethernet.MPLS_UNICAST);
+ treatment.transition(MPLS_TABLE_0);
+ FlowRule rulempls = DefaultFlowRule.builder()
+ .forDevice(deviceId)
+ .withSelector(selector.build())
+ .withTreatment(treatment.build())
+ .withPriority(DEFAULT_PRIORITY)
+ .fromApp(driverId)
+ .makePermanent()
+ .forTable(TMAC_TABLE).build();
+ ops = ops.add(rulempls);
+
+ flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
+ @Override
+ public void onSuccess(FlowRuleOperations ops) {
+ log.info("Initialized tmac table");
+ }
+
+ @Override
+ public void onError(FlowRuleOperations ops) {
+ log.info("Failed to initialize tmac table");
+ }
+ }));
+ }
+
+ protected void processIpTable() {
+ //table miss entry
+ FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
+ TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
+ TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
+ selector.matchEthType(Ethernet.TYPE_IPV4);
+ selector.matchIPDst(IpPrefix.valueOf("2.0.0.0/16"));
+ treatment.deferred().group(new DefaultGroupId(0x20000001));
+ treatment.transition(ACL_TABLE);
+ FlowRule rule = DefaultFlowRule.builder()
+ .forDevice(deviceId)
+ .withSelector(selector.build())
+ .withTreatment(treatment.build())
+ .withPriority(30000)
+ .fromApp(driverId)
+ .makePermanent()
+ .forTable(UNICAST_ROUTING_TABLE).build();
+ ops = ops.add(rule);
+ flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
+ @Override
+ public void onSuccess(FlowRuleOperations ops) {
+ log.info("Initialized IP table");
+ }
+
+ @Override
+ public void onError(FlowRuleOperations ops) {
+ log.info("Failed to initialize unicast IP table");
+ }
+ }));
+ }
+
+ protected void processAclTable() {
+ //table miss entry
+ FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
+ TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
+ TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
+ selector.matchEthDst(MacAddress.valueOf("00:00:00:00:00:02"));
+ treatment.deferred().group(new DefaultGroupId(0x20000001));
+ FlowRule rule = DefaultFlowRule.builder()
+ .forDevice(deviceId)
+ .withSelector(selector.build())
+ .withTreatment(treatment.build())
+ .withPriority(60000)
+ .fromApp(driverId)
+ .makePermanent()
+ .forTable(ACL_TABLE).build();
+ ops = ops.add(rule);
+ flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {
+ @Override
+ public void onSuccess(FlowRuleOperations ops) {
+ log.info("Initialized Acl table");
+ }
+
+ @Override
+ public void onError(FlowRuleOperations ops) {
+ log.info("Failed to initialize Acl table");
+ }
+ }));
+ }
+
+ private void sendPackets() {
+ Ethernet eth = new Ethernet();
+ eth.setDestinationMACAddress("00:00:00:00:00:02");
+ eth.setSourceMACAddress("00:00:00:11:22:33");
+ eth.setVlanID((short) 100);
+ eth.setEtherType(Ethernet.MPLS_UNICAST);
+ MPLS mplsPkt = new MPLS();
+ mplsPkt.setLabel(255);
+ mplsPkt.setTtl((byte) 5);
+
+ IPv4 ipv4 = new IPv4();
+
+ ipv4.setDestinationAddress("4.0.5.6");
+ ipv4.setSourceAddress("1.0.2.3");
+ ipv4.setTtl((byte) 64);
+ ipv4.setChecksum((short) 0);
+
+ UDP udp = new UDP();
+ udp.setDestinationPort(666);
+ udp.setSourcePort(333);
+ udp.setPayload(new Data(new byte[]{(byte) 1, (byte) 2}));
+ udp.setChecksum((short) 0);
+
+ ipv4.setPayload(udp);
+ mplsPkt.setPayload(ipv4);
+ eth.setPayload(mplsPkt);
+
+ TrafficTreatment treatment = DefaultTrafficTreatment.builder()
+ .setOutput(PortNumber.portNumber(24))
+ .build();
+ OutboundPacket packet = new DefaultOutboundPacket(deviceId,
+ treatment,
+ ByteBuffer.wrap(eth.serialize()));
+
+
+ Ethernet eth2 = new Ethernet();
+ eth2.setDestinationMACAddress("00:00:00:00:00:02");
+ eth2.setSourceMACAddress("00:00:00:11:22:33");
+ eth2.setVlanID((short) 100);
+ eth2.setEtherType(Ethernet.TYPE_IPV4);
+
+ IPv4 ipv42 = new IPv4();
+ ipv42.setDestinationAddress("2.0.0.2");
+ ipv42.setSourceAddress("1.0.9.9");
+ ipv42.setTtl((byte) 64);
+ ipv42.setChecksum((short) 0);
+
+ UDP udp2 = new UDP();
+ udp2.setDestinationPort(999);
+ udp2.setSourcePort(333);
+ udp2.setPayload(new Data(new byte[]{(byte) 1, (byte) 2}));
+ udp2.setChecksum((short) 0);
+
+ ipv42.setPayload(udp2);
+ eth2.setPayload(ipv42);
+
+ TrafficTreatment treatment2 = DefaultTrafficTreatment.builder()
+ .setOutput(PortNumber.portNumber(26))
+ .build();
+ OutboundPacket packet2 = new DefaultOutboundPacket(deviceId,
+ treatment2,
+ ByteBuffer.wrap(eth2.serialize()));
+
+
+ log.info("Emitting packets now");
+ packetService.emit(packet);
+ packetService.emit(packet);
+ packetService.emit(packet2);
+ packetService.emit(packet);
+ packetService.emit(packet);
+ log.info("Done emitting packets");
+ }
+
+ private class InternalPacketProcessor implements PacketProcessor {
+
+ @Override
+ public void process(PacketContext context) {
+
+
+ }
+ }
+
+}