Examples with ForwardingObjective org.onosproject.net.flowobjective.ForwardingObjective used on opensource projects

Example 81 with ForwardingObjective

use of org.onosproject.net.flowobjective.ForwardingObjective in project trellis-control by opennetworkinglab.

the class RoutingRulePopulator method populateArpNdpPunts.

/**
 * Creates forwarding objectives to punt ARP and NDP packets, to the controller.
 * Furthermore, these are applied only by the master instance. Deferred actions
 * are not cleared such that packets can be flooded in the cross connect use case
 *
 * @param deviceId the switch dpid for the router
 */
void populateArpNdpPunts(DeviceId deviceId) {
    // We are not the master just skip.
    if (!srManager.shouldProgram(deviceId)) {
        log.debug("Not installing ARP/NDP punts - not handling programming for dev:{} ", deviceId);
        return;
    }
    ForwardingObjective fwdObj;
    // We punt all ARP packets towards the controller.
    fwdObj = arpFwdObjective(null, true, ARP_NDP_PRIORITY).add(new ObjectiveContext() {

        @Override
        public void onError(Objective objective, ObjectiveError error) {
            log.warn("Failed to install forwarding objective to punt ARP to {}: {}", deviceId, error);
        }
    });
    srManager.flowObjectiveService.forward(deviceId, fwdObj);
    if (isIpv6Configured(deviceId)) {
        // We punt all NDP packets towards the controller.
        ndpFwdObjective(null, true, ARP_NDP_PRIORITY).forEach(builder -> {
            ForwardingObjective obj = builder.add(new ObjectiveContext() {

                @Override
                public void onError(Objective objective, ObjectiveError error) {
                    log.warn("Failed to install forwarding objective to punt NDP to {}: {}", deviceId, error);
                }
            });
            srManager.flowObjectiveService.forward(deviceId, obj);
        });
    }
    srManager.getPairLocalPort(deviceId).ifPresent(port -> {
        ForwardingObjective pairFwdObj;
        // Do not punt ARP packets from pair port
        pairFwdObj = arpFwdObjective(port, false, PacketPriority.CONTROL.priorityValue() + 1).add(new ObjectiveContext() {

            @Override
            public void onError(Objective objective, ObjectiveError error) {
                log.warn("Failed to install forwarding objective to ignore ARP to {}: {}", deviceId, error);
            }
        });
        srManager.flowObjectiveService.forward(deviceId, pairFwdObj);
        if (isIpv6Configured(deviceId)) {
            // Do not punt NDP packets from pair port
            ndpFwdObjective(port, false, PacketPriority.CONTROL.priorityValue() + 1).forEach(builder -> {
                ForwardingObjective obj = builder.add(new ObjectiveContext() {

                    @Override
                    public void onError(Objective objective, ObjectiveError error) {
                        log.warn("Failed to install forwarding objective to ignore ARP to {}: {}", deviceId, error);
                    }
                });
                srManager.flowObjectiveService.forward(deviceId, obj);
            });
            // Do not forward DAD packets from pair port
            pairFwdObj = dad6FwdObjective(port, PacketPriority.CONTROL.priorityValue() + 2).add(new ObjectiveContext() {

                @Override
                public void onError(Objective objective, ObjectiveError error) {
                    log.warn("Failed to install forwarding objective to drop DAD to {}: {}", deviceId, error);
                }
            });
            srManager.flowObjectiveService.forward(deviceId, pairFwdObj);
        }
    });
}

Example 82 with ForwardingObjective

use of org.onosproject.net.flowobjective.ForwardingObjective in project trellis-control by opennetworkinglab.

the class RoutingRulePopulator method handleMpls.

/**
 * Differentiates between popping and swapping labels when building an MPLS
 * forwarding objective.
 *
 * @param targetSwId the target sw
 * @param destSwId the destination sw
 * @param nextHops the set of next hops
 * @param segmentId the segmentId to match representing the destination
 *            switch
 * @param routerIp the router ip representing the destination switch
 * @return a collection of fwdobjective
 */
private Collection<ForwardingObjective> handleMpls(DeviceId targetSwId, DeviceId destSwId, Set<DeviceId> nextHops, int segmentId, IpAddress routerIp, boolean isMplsBos) {
    TrafficSelector.Builder sbuilder = DefaultTrafficSelector.builder();
    List<ForwardingObjective.Builder> fwdObjBuilders = Lists.newArrayList();
    // For the transport of Pwaas we can use two or three MPLS label
    sbuilder.matchEthType(Ethernet.MPLS_UNICAST);
    sbuilder.matchMplsLabel(MplsLabel.mplsLabel(segmentId));
    sbuilder.matchMplsBos(isMplsBos);
    TrafficSelector selector = sbuilder.build();
    // setup metadata to pass to nextObjective - indicate the vlan on egress
    // if needed by the switch pipeline. Since mpls next-hops are always to
    // other neighboring routers, there is no subnet assigned on those ports.
    TrafficSelector.Builder metabuilder = DefaultTrafficSelector.builder(selector);
    metabuilder.matchVlanId(srManager.getDefaultInternalVlan());
    if (nextHops.size() == 1 && destSwId.equals(nextHops.toArray()[0])) {
        // If the next hop is the destination router for the segment, do pop
        log.debug("populateMplsRule: Installing MPLS forwarding objective for " + "label {} in switch {} with pop to next-hops {}", segmentId, targetSwId, nextHops);
        ForwardingObjective.Builder fwdObjNoBosBuilder = getMplsForwardingObjective(targetSwId, nextHops, true, isMplsBos, metabuilder.build(), routerIp, segmentId, destSwId);
        // Error case, we cannot handle, exit.
        if (fwdObjNoBosBuilder == null) {
            return Collections.emptyList();
        }
        fwdObjBuilders.add(fwdObjNoBosBuilder);
    } else {
        // next hop is not destination, irrespective of the number of next
        // hops (1 or more) -- SR CONTINUE case (swap with self)
        log.debug("Installing MPLS forwarding objective for " + "label {} in switch {} without pop to next-hops {}", segmentId, targetSwId, nextHops);
        ForwardingObjective.Builder fwdObjNoBosBuilder = getMplsForwardingObjective(targetSwId, nextHops, false, isMplsBos, metabuilder.build(), routerIp, segmentId, destSwId);
        // Error case, we cannot handle, exit.
        if (fwdObjNoBosBuilder == null) {
            return Collections.emptyList();
        }
        fwdObjBuilders.add(fwdObjNoBosBuilder);
    }
    List<ForwardingObjective> fwdObjs = Lists.newArrayList();
    // We add the final property to the fwdObjs.
    for (ForwardingObjective.Builder fwdObjBuilder : fwdObjBuilders) {
        ((Builder) ((Builder) fwdObjBuilder.fromApp(srManager.appId).makePermanent()).withSelector(selector).withPriority(SegmentRoutingService.DEFAULT_PRIORITY)).withFlag(ForwardingObjective.Flag.SPECIFIC);
        ObjectiveContext context = new DefaultObjectiveContext((objective) -> log.debug("MPLS rule {} for SID {} populated in dev:{} ", objective.id(), segmentId, targetSwId), (objective, error) -> log.warn("Failed to populate MPLS rule {} for SID {}: {} in dev:{}", objective.id(), segmentId, error, targetSwId));
        ForwardingObjective fob = fwdObjBuilder.add(context);
        fwdObjs.add(fob);
    }
    return fwdObjs;
}

Example 83 with ForwardingObjective

use of org.onosproject.net.flowobjective.ForwardingObjective in project trellis-control by opennetworkinglab.

the class SRObjectiveMetadata method isValidSrMetadata.

/**
 * Check metadata passed from SegmentRouting app.
 *
 * @param obj the objective containing the metadata
 * @return true if the objective contains valid metadata, false otherwise
 */
public static boolean isValidSrMetadata(Objective obj) {
    long meta = 0;
    if (obj instanceof FilteringObjective) {
        FilteringObjective filtObj = (FilteringObjective) obj;
        if (filtObj.meta() == null) {
            return true;
        }
        Instructions.MetadataInstruction metaIns = filtObj.meta().writeMetadata();
        if (metaIns == null) {
            return true;
        }
        meta = metaIns.metadata() & metaIns.metadataMask();
    } else if (obj instanceof ForwardingObjective) {
        ForwardingObjective fwdObj = (ForwardingObjective) obj;
        if (fwdObj.meta() == null) {
            return true;
        }
        MetadataCriterion metaCrit = (MetadataCriterion) fwdObj.meta().getCriterion(Criterion.Type.METADATA);
        if (metaCrit == null) {
            return true;
        }
        meta = metaCrit.metadata();
    }
    return meta != 0 && (meta ^ METADATA_MASK) <= METADATA_MASK;
}

Example 84 with ForwardingObjective

use of org.onosproject.net.flowobjective.ForwardingObjective in project fabric-tna by stratum.

the class ForwardingFunctionTypeTest method testFft.

private void testFft(TrafficSelector selector, ForwardingFunctionType expectedFft) {
    ForwardingObjective fwd = DefaultForwardingObjective.builder().withSelector(selector).withFlag(ForwardingObjective.Flag.SPECIFIC).nextStep(0).fromApp(APP_ID).add();
    assertEquals(expectedFft, ForwardingFunctionType.getForwardingFunctionType(fwd));
}

Example 85 with ForwardingObjective

use of org.onosproject.net.flowobjective.ForwardingObjective in project fabric-tna by stratum.

the class ForwardingObjectiveTranslatorTest method testAclArp.

/**
 * Test versatile flag of forwarding objective with ARP match.
 */
@Test
public void testAclArp() {
    TrafficTreatment treatment = DefaultTrafficTreatment.builder().punt().build();
    // ARP
    TrafficSelector selector = DefaultTrafficSelector.builder().matchEthType(Ethernet.TYPE_ARP).build();
    ForwardingObjective fwd = DefaultForwardingObjective.builder().withSelector(selector).withPriority(PRIORITY).fromApp(APP_ID).makePermanent().withFlag(ForwardingObjective.Flag.VERSATILE).withTreatment(treatment).add();
    ObjectiveTranslation result = translator.translate(fwd);
    List<FlowRule> flowRulesInstalled = (List<FlowRule>) result.flowRules();
    List<GroupDescription> groupsInstalled = (List<GroupDescription>) result.groups();
    assertEquals(1, flowRulesInstalled.size());
    assertEquals(0, groupsInstalled.size());
    FlowRule actualFlowRule = flowRulesInstalled.get(0);
    PiAction piAction = PiAction.builder().withId(P4InfoConstants.FABRIC_INGRESS_ACL_COPY_TO_CPU).build();
    FlowRule expectedFlowRule = DefaultFlowRule.builder().forDevice(DEVICE_ID).forTable(P4InfoConstants.FABRIC_INGRESS_ACL_ACL).withPriority(PRIORITY).makePermanent().withSelector(selector).withTreatment(DefaultTrafficTreatment.builder().piTableAction(piAction).build()).fromApp(APP_ID).build();
    assertTrue(expectedFlowRule.exactMatch(actualFlowRule));
}