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

Example 6 with DefaultNextTreatment

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

the class NextObjectiveTranslator method allGroup.

private int allGroup(NextObjective obj, ObjectiveTranslation.Builder resultBuilder) throws FabricPipelinerException {
    final Collection<DefaultNextTreatment> defaultNextTreatments = defaultNextTreatments(obj.nextTreatments(), true);
    // multicast entries is based solely on the output port.
    for (DefaultNextTreatment t : defaultNextTreatments) {
        handleEgress(obj, t.treatment(), resultBuilder, true);
    }
    // FIXME: this implementation supports only the case in which each
    // switch interface is associated with only one VLAN, otherwise we would
    // need to support replicating multiple times the same packet for the
    // same port while setting different VLAN IDs. Hence, collect in a set.
    final Set<PortNumber> outPorts = defaultNextTreatments.stream().map(DefaultNextTreatment::treatment).map(FabricUtils::outputPort).filter(Objects::nonNull).collect(Collectors.toSet());
    if (outPorts.size() != defaultNextTreatments.size()) {
        throw new FabricPipelinerException(format("Found BROADCAST NextObjective with %d treatments but " + "found only %d distinct OUTPUT port numbers, cannot " + "translate to ALL groups", defaultNextTreatments.size(), outPorts.size()), ObjectiveError.UNSUPPORTED);
    }
    final List<GroupBucket> bucketList = outPorts.stream().map(p -> DefaultTrafficTreatment.builder().setOutput(p).build()).map(DefaultGroupBucket::createAllGroupBucket).collect(Collectors.toList());
    final int groupId = obj.id();
    // Use DefaultGroupKey instead of PiGroupKey as we don't have any
    // action profile to apply to the groups of ALL type.
    final GroupKey groupKey = getGroupKey(obj);
    resultBuilder.addGroup(new DefaultGroupDescription(deviceId, GroupDescription.Type.ALL, new GroupBuckets(bucketList), groupKey, groupId, obj.appId()));
    return groupId;
}

Example 7 with DefaultNextTreatment

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

the class NextObjectiveTranslator method indirectGroup.

private int indirectGroup(NextObjective obj, ObjectiveTranslation.Builder resultBuilder) throws FabricPipelinerException {
    if (isGroupModifyOp(obj)) {
        throw new FabricPipelinerException("Simple next objective does not support" + "*_TO_EXISTING operations");
    }
    final PiTableId hashedTableId = P4InfoConstants.FABRIC_INGRESS_NEXT_HASHED;
    final List<DefaultNextTreatment> defaultNextTreatments = defaultNextTreatments(obj.nextTreatments(), true);
    if (defaultNextTreatments.size() != 1) {
        throw new FabricPipelinerException("Simple next objective must have a single" + " treatment");
    }
    final TrafficTreatment piTreatment;
    final DefaultNextTreatment defaultNextTreatment = defaultNextTreatments.get(0);
    piTreatment = mapTreatmentToPiIfNeeded(defaultNextTreatment.treatment(), hashedTableId);
    handleEgress(obj, defaultNextTreatment.treatment(), resultBuilder, false);
    final GroupBucket groupBucket = DefaultGroupBucket.createIndirectGroupBucket(piTreatment);
    final int groupId = obj.id();
    final PiGroupKey groupKey = (PiGroupKey) getGroupKey(obj);
    resultBuilder.addGroup(new DefaultGroupDescription(deviceId, GroupDescription.Type.INDIRECT, new GroupBuckets(Collections.singletonList(groupBucket)), groupKey, groupId, obj.appId()));
    return groupId;
}

Example 8 with DefaultNextTreatment

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

the class NextObjectiveTranslator method defaultNextTreatments.

private List<DefaultNextTreatment> defaultNextTreatments(Collection<NextTreatment> nextTreatments, boolean strict) throws FabricPipelinerException {
    final List<DefaultNextTreatment> defaultNextTreatments = Lists.newArrayList();
    final List<NextTreatment> unsupportedNextTreatments = Lists.newArrayList();
    for (NextTreatment n : nextTreatments) {
        if (n.type() == NextTreatment.Type.TREATMENT) {
            defaultNextTreatments.add((DefaultNextTreatment) n);
        } else {
            unsupportedNextTreatments.add(n);
        }
    }
    if (strict && !unsupportedNextTreatments.isEmpty()) {
        throw new FabricPipelinerException(format("Unsupported NextTreatments: %s", unsupportedNextTreatments));
    }
    return defaultNextTreatments;
}

Example 9 with DefaultNextTreatment

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

the class NextObjectiveTranslator method simpleNext.

private void simpleNext(NextObjective obj, ObjectiveTranslation.Builder resultBuilder, boolean forceSimple) throws FabricPipelinerException {
    if (capabilities.hasHashedTable()) {
        // Use hashed table when possible.
        hashedNext(obj, resultBuilder);
        return;
    }
    if (obj.nextTreatments().isEmpty()) {
        // Do nothing.
        return;
    } else if (!forceSimple && obj.nextTreatments().size() != 1) {
        throw new FabricPipelinerException(format("SIMPLE NextObjective should contain only 1 treatment, found %d", obj.nextTreatments().size()), ObjectiveError.BADPARAMS);
    }
    final TrafficSelector selector = nextIdSelector(obj.id());
    final List<DefaultNextTreatment> treatments = defaultNextTreatments(obj.nextTreatments(), true);
    if (forceSimple && treatments.size() > 1) {
        log.warn("Forcing SIMPLE behavior for NextObjective with {} treatments [{}]", treatments.size(), obj);
    }
    // handleEgress(obj, treatment, resultBuilder, false);
    throw new FabricPipelinerException("Simple next table not supported", ObjectiveError.UNSUPPORTED);
}

Example 10 with DefaultNextTreatment

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

the class NextObjectiveTranslator method nextMpls.

private void nextMpls(NextObjective obj, ObjectiveTranslation.Builder resultBuilder) throws FabricPipelinerException {
    // Next objective can contain only one mpls push and one mpls label
    // instruction. Pipeliner does not support other configurations.
    final List<List<ModMplsLabelInstruction>> mplsInstructions = defaultNextTreatments(obj.nextTreatments(), false).stream().map(defaultNextTreatment -> l2Instructions(defaultNextTreatment.treatment(), MPLS_LABEL).stream().map(v -> (ModMplsLabelInstruction) v).collect(Collectors.toList())).filter(l -> !l.isEmpty()).collect(Collectors.toList());
    if (mplsInstructions.isEmpty()) {
        // No need to apply next mpls table
        return;
    }
    // We expect one mpls label for each treatment and the label has to be the same
    final Set<MplsLabel> mplsLabels = mplsInstructions.stream().flatMap(Collection::stream).map(ModMplsLabelInstruction::label).collect(Collectors.toSet());
    if (obj.nextTreatments().size() != mplsInstructions.size() || mplsLabels.size() != 1) {
        throw new FabricPipelinerException("Inconsistent MPLS_LABEL instructions, cannot process " + "next_mpls rule. It is required that all " + "treatments have the same MPLS_LABEL instructions.");
    }
    final TrafficSelector selector = nextIdSelector(obj.id());
    final TrafficTreatment treatment = DefaultTrafficTreatment.builder().setMpls(mplsLabels.iterator().next()).build();
    resultBuilder.addFlowRule(flowRule(obj, P4InfoConstants.FABRIC_INGRESS_PRE_NEXT_NEXT_MPLS, selector, treatment));
}