Examples with VlanIdCriterion org.onosproject.net.flow.criteria.VlanIdCriterion used on opensource projects

Example 51 with VlanIdCriterion

use of org.onosproject.net.flow.criteria.VlanIdCriterion in project onos by opennetworkinglab.

the class LinkCollectionOptimizationTest method testCoLocatedDifferentFilteredPointsNonTrivialForSp.

/**
 * We test the proper optimization of sp2mp with selector,
 * treatment, mpls encapsulation and co-located
 * different filtered ingress/egress points.
 */
@Test
public void testCoLocatedDifferentFilteredPointsNonTrivialForSp() {
    intent = LinkCollectionIntent.builder().appId(APP_ID).selector(ipPrefixSelector).treatment(ethDstTreatment).applyTreatmentOnEgress(true).links(linksForSp2MpCoLoc).constraints(constraintsForMPLS).filteredIngressPoints(ImmutableSet.of(new FilteredConnectPoint(d1p10, vlan100Selector))).filteredEgressPoints(ImmutableSet.of(new FilteredConnectPoint(d1p11, mpls100Selector), new FilteredConnectPoint(d2p10, vlan200Selector), new FilteredConnectPoint(d3p10, mpls200Selector))).build();
    sut.activate();
    /*
         * We use the FIRST_FIT to simplify tests.
         */
    LinkCollectionCompiler.labelAllocator.setLabelSelection(LABEL_SELECTION);
    List<Intent> compiled = sut.compile(intent, Collections.emptyList());
    assertThat(compiled, hasSize(1));
    Collection<FlowRule> rules = ((FlowRuleIntent) compiled.get(0)).flowRules();
    assertThat(rules, hasSize(3));
    Collection<FlowRule> rulesS1 = rules.stream().filter(rule -> rule.deviceId().equals(d1p0.deviceId())).collect(Collectors.toSet());
    assertThat(rulesS1, hasSize(1));
    FlowRule ruleS1 = rulesS1.iterator().next();
    assertThat(ruleS1.selector(), is(DefaultTrafficSelector.builder(ipPrefixSelector).matchInPort(d1p10.port()).matchVlanId(((VlanIdCriterion) vlan100Selector.getCriterion(VLAN_VID)).vlanId()).build()));
    assertThat(ruleS1.treatment(), is(DefaultTrafficTreatment.builder().popVlan().pushMpls().copyTtlOut().setMpls(MplsLabel.mplsLabel(LABEL)).setOutput(d1p0.port()).setEthDst(((ModEtherInstruction) ethDstTreatment.allInstructions().stream().filter(instruction -> instruction instanceof ModEtherInstruction).findFirst().get()).mac()).setMpls(((MplsCriterion) mpls100Selector.getCriterion(MPLS_LABEL)).label()).setOutput(d1p11.port()).build()));
    Collection<FlowRule> rulesS2 = rules.stream().filter(rule -> rule.deviceId().equals(d2p0.deviceId())).collect(Collectors.toSet());
    assertThat(rulesS2, hasSize(1));
    FlowRule ruleS2 = rulesS2.iterator().next();
    assertThat(ruleS2.selector(), is(DefaultTrafficSelector.builder().matchInPort(d2p0.port()).matchEthType(Ethernet.MPLS_UNICAST).matchMplsLabel(MplsLabel.mplsLabel(LABEL)).build()));
    assertThat(ruleS2.treatment(), is(DefaultTrafficTreatment.builder().setMpls(MplsLabel.mplsLabel(LABEL)).setOutput(d2p1.port()).setEthDst(((ModEtherInstruction) ethDstTreatment.allInstructions().stream().filter(instruction -> instruction instanceof ModEtherInstruction).findFirst().get()).mac()).copyTtlIn().popMpls(IPV4.ethType()).pushVlan().setVlanId(((VlanIdCriterion) vlan200Selector.getCriterion(VLAN_VID)).vlanId()).setOutput(d2p10.port()).build()));
    Collection<FlowRule> rulesS3 = rules.stream().filter(rule -> rule.deviceId().equals(d3p1.deviceId())).collect(Collectors.toSet());
    assertThat(rulesS3, hasSize(1));
    FlowRule ruleS3 = rulesS3.iterator().next();
    assertThat(ruleS3.selector(), is(DefaultTrafficSelector.builder().matchEthType(Ethernet.MPLS_UNICAST).matchMplsLabel(MplsLabel.mplsLabel(LABEL)).matchInPort(d3p0.port()).build()));
    assertThat(ruleS3.treatment(), is(DefaultTrafficTreatment.builder().setEthDst(((ModEtherInstruction) ethDstTreatment.allInstructions().stream().filter(instruction -> instruction instanceof ModEtherInstruction).findFirst().get()).mac()).setMpls(((MplsCriterion) mpls200Selector.getCriterion(MPLS_LABEL)).label()).setOutput(d3p10.port()).build()));
    sut.deactivate();
}

Example 52 with VlanIdCriterion

use of org.onosproject.net.flow.criteria.VlanIdCriterion in project onos by opennetworkinglab.

the class LinkCollectionOptimizationTest method testCoLocatedFilteredPointsTrivialForSp.

/**
 * We test the proper optimization of sp2mp with trivial selector,
 * trivial treatment, mpls encapsulation and co-located
 * filtered ingress/egress points.
 */
@Test
public void testCoLocatedFilteredPointsTrivialForSp() {
    intent = LinkCollectionIntent.builder().appId(APP_ID).selector(selector).treatment(treatment).applyTreatmentOnEgress(true).links(linksForSp2MpCoLoc).constraints(constraintsForMPLS).filteredIngressPoints(ImmutableSet.of(new FilteredConnectPoint(d1p10, vlan100Selector))).filteredEgressPoints(ImmutableSet.of(new FilteredConnectPoint(d1p11, vlan200Selector), new FilteredConnectPoint(d2p10, vlan300Selector), new FilteredConnectPoint(d3p10, vlan69Selector))).build();
    sut.activate();
    /*
         * We use the FIRST_FIT to simplify tests.
         */
    LinkCollectionCompiler.labelAllocator.setLabelSelection(LABEL_SELECTION);
    List<Intent> compiled = sut.compile(intent, Collections.emptyList());
    assertThat(compiled, hasSize(1));
    Collection<FlowRule> rules = ((FlowRuleIntent) compiled.get(0)).flowRules();
    assertThat(rules, hasSize(3));
    Collection<FlowRule> rulesS1 = rules.stream().filter(rule -> rule.deviceId().equals(d1p0.deviceId())).collect(Collectors.toSet());
    assertThat(rulesS1, hasSize(1));
    FlowRule ruleS1 = rulesS1.iterator().next();
    assertThat(ruleS1.selector(), is(DefaultTrafficSelector.builder(vlan100Selector).matchInPort(d1p10.port()).build()));
    assertThat(ruleS1.treatment(), is(DefaultTrafficTreatment.builder().popVlan().pushMpls().copyTtlOut().setMpls(MplsLabel.mplsLabel(LABEL)).setOutput(d1p0.port()).copyTtlIn().popMpls(IPV4.ethType()).pushVlan().setVlanId(((VlanIdCriterion) vlan200Selector.getCriterion(VLAN_VID)).vlanId()).setOutput(d1p11.port()).build()));
    Collection<FlowRule> rulesS2 = rules.stream().filter(rule -> rule.deviceId().equals(d2p0.deviceId())).collect(Collectors.toSet());
    assertThat(rulesS2, hasSize(1));
    FlowRule ruleS2 = rulesS2.iterator().next();
    assertThat(ruleS2.selector(), is(DefaultTrafficSelector.builder().matchInPort(d2p0.port()).matchEthType(Ethernet.MPLS_UNICAST).matchMplsLabel(MplsLabel.mplsLabel(LABEL)).build()));
    assertThat(ruleS2.treatment(), is(DefaultTrafficTreatment.builder().setMpls(MplsLabel.mplsLabel(LABEL)).setOutput(d2p1.port()).copyTtlIn().popMpls(IPV4.ethType()).pushVlan().setVlanId(((VlanIdCriterion) vlan300Selector.getCriterion(VLAN_VID)).vlanId()).setOutput(d2p10.port()).build()));
    Collection<FlowRule> rulesS3 = rules.stream().filter(rule -> rule.deviceId().equals(d3p1.deviceId())).collect(Collectors.toSet());
    assertThat(rulesS3, hasSize(1));
    FlowRule ruleS3 = rulesS3.iterator().next();
    assertThat(ruleS3.selector(), is(DefaultTrafficSelector.builder().matchInPort(d3p0.port()).matchEthType(Ethernet.MPLS_UNICAST).matchMplsLabel(MplsLabel.mplsLabel(LABEL)).build()));
    assertThat(ruleS3.treatment(), is(DefaultTrafficTreatment.builder().copyTtlIn().popMpls(IPV4.ethType()).pushVlan().setVlanId(((VlanIdCriterion) vlan69Selector.getCriterion(VLAN_VID)).vlanId()).setOutput(d3p10.port()).build()));
    sut.deactivate();
}

Example 53 with VlanIdCriterion

use of org.onosproject.net.flow.criteria.VlanIdCriterion in project onos by opennetworkinglab.

the class LinkCollectionOptimizationTest method testCoLocatedDifferentFilteredPointsTrivialForSp.

/**
 * We test the proper optimization of sp2mp with trivial selector,
 * trivial treatment, vlan encapsulation and co-located
 * different filtered ingress/egress points.
 */
@Test
public void testCoLocatedDifferentFilteredPointsTrivialForSp() {
    intent = LinkCollectionIntent.builder().appId(APP_ID).selector(selector).treatment(treatment).applyTreatmentOnEgress(true).links(linksForSp2MpCoLoc).constraints(constraintsForVlan).filteredIngressPoints(ImmutableSet.of(new FilteredConnectPoint(d1p10, vlan100Selector))).filteredEgressPoints(ImmutableSet.of(new FilteredConnectPoint(d1p11, mpls100Selector), new FilteredConnectPoint(d2p10, vlan200Selector), new FilteredConnectPoint(d3p10, mpls200Selector))).build();
    sut.activate();
    /*
         * We use the FIRST_FIT to simplify tests.
         */
    LinkCollectionCompiler.labelAllocator.setLabelSelection(LABEL_SELECTION);
    List<Intent> compiled = sut.compile(intent, Collections.emptyList());
    assertThat(compiled, hasSize(1));
    Collection<FlowRule> rules = ((FlowRuleIntent) compiled.get(0)).flowRules();
    assertThat(rules, hasSize(3));
    Collection<FlowRule> rulesS1 = rules.stream().filter(rule -> rule.deviceId().equals(d1p0.deviceId())).collect(Collectors.toSet());
    assertThat(rulesS1, hasSize(1));
    FlowRule ruleS1 = rulesS1.iterator().next();
    assertThat(ruleS1.selector(), is(DefaultTrafficSelector.builder(vlan100Selector).matchInPort(d1p10.port()).build()));
    assertThat(ruleS1.treatment(), is(DefaultTrafficTreatment.builder().setVlanId(VlanId.vlanId(LABEL)).setOutput(d1p0.port()).popVlan().pushMpls().copyTtlOut().setMpls(((MplsCriterion) mpls100Selector.getCriterion(MPLS_LABEL)).label()).setOutput(d1p11.port()).build()));
    Collection<FlowRule> rulesS2 = rules.stream().filter(rule -> rule.deviceId().equals(d2p0.deviceId())).collect(Collectors.toSet());
    assertThat(rulesS2, hasSize(1));
    FlowRule ruleS2 = rulesS2.iterator().next();
    assertThat(ruleS2.selector(), is(DefaultTrafficSelector.builder().matchInPort(d2p0.port()).matchVlanId(VlanId.vlanId(LABEL)).build()));
    assertThat(ruleS2.treatment(), is(DefaultTrafficTreatment.builder().setVlanId(VlanId.vlanId(LABEL)).setOutput(d2p1.port()).setVlanId(((VlanIdCriterion) vlan200Selector.getCriterion(VLAN_VID)).vlanId()).setOutput(d2p10.port()).build()));
    Collection<FlowRule> rulesS3 = rules.stream().filter(rule -> rule.deviceId().equals(d3p1.deviceId())).collect(Collectors.toSet());
    assertThat(rulesS3, hasSize(1));
    FlowRule ruleS3 = rulesS3.iterator().next();
    assertThat(ruleS3.selector(), is(DefaultTrafficSelector.builder().matchVlanId(VlanId.vlanId(LABEL)).matchInPort(d3p0.port()).build()));
    assertThat(ruleS3.treatment(), is(DefaultTrafficTreatment.builder().popVlan().pushMpls().copyTtlOut().setMpls(((MplsCriterion) mpls200Selector.getCriterion(MPLS_LABEL)).label()).setOutput(d3p10.port()).build()));
    sut.deactivate();
}

Example 54 with VlanIdCriterion

use of org.onosproject.net.flow.criteria.VlanIdCriterion in project onos by opennetworkinglab.

the class FlowRuleCodecTest method codecCriteriaFlowTest.

/**
 * Checks that a rule with one of each kind of criterion decodes properly.
 *
 * @throws IOException if the resource cannot be processed
 */
@Test
public void codecCriteriaFlowTest() throws Exception {
    FlowRule rule = getRule("criteria-flow.json");
    checkCommonData(rule);
    assertThat(rule.selector().criteria().size(), is(35));
    rule.selector().criteria().forEach(criterion -> criteria.put(criterion.type().name(), criterion));
    Criterion criterion;
    criterion = getCriterion(Criterion.Type.ETH_TYPE);
    assertThat(((EthTypeCriterion) criterion).ethType(), is(new EthType(2054)));
    criterion = getCriterion(Criterion.Type.ETH_DST);
    assertThat(((EthCriterion) criterion).mac(), is(MacAddress.valueOf("00:11:22:33:44:55")));
    criterion = getCriterion(Criterion.Type.ETH_SRC);
    assertThat(((EthCriterion) criterion).mac(), is(MacAddress.valueOf("00:11:22:33:44:55")));
    criterion = getCriterion(Criterion.Type.IN_PORT);
    assertThat(((PortCriterion) criterion).port(), is(PortNumber.portNumber(23)));
    criterion = getCriterion(Criterion.Type.IN_PHY_PORT);
    assertThat(((PortCriterion) criterion).port(), is(PortNumber.portNumber(44)));
    criterion = getCriterion(Criterion.Type.VLAN_VID);
    assertThat(((VlanIdCriterion) criterion).vlanId(), is(VlanId.vlanId((short) 777)));
    criterion = getCriterion(Criterion.Type.VLAN_PCP);
    assertThat(((VlanPcpCriterion) criterion).priority(), is(((byte) 3)));
    criterion = getCriterion(Criterion.Type.IP_DSCP);
    assertThat(((IPDscpCriterion) criterion).ipDscp(), is(((byte) 2)));
    criterion = getCriterion(Criterion.Type.IP_ECN);
    assertThat(((IPEcnCriterion) criterion).ipEcn(), is(((byte) 1)));
    criterion = getCriterion(Criterion.Type.IP_PROTO);
    assertThat(((IPProtocolCriterion) criterion).protocol(), is(((short) 4)));
    criterion = getCriterion(Criterion.Type.IPV4_SRC);
    assertThat(((IPCriterion) criterion).ip(), is((IpPrefix.valueOf("1.2.0.0/32"))));
    criterion = getCriterion(Criterion.Type.IPV4_DST);
    assertThat(((IPCriterion) criterion).ip(), is((IpPrefix.valueOf("2.2.0.0/32"))));
    criterion = getCriterion(Criterion.Type.IPV6_SRC);
    assertThat(((IPCriterion) criterion).ip(), is((IpPrefix.valueOf("3.2.0.0/32"))));
    criterion = getCriterion(Criterion.Type.IPV6_DST);
    assertThat(((IPCriterion) criterion).ip(), is((IpPrefix.valueOf("4.2.0.0/32"))));
    criterion = getCriterion(Criterion.Type.TCP_SRC);
    assertThat(((TcpPortCriterion) criterion).tcpPort().toInt(), is(80));
    criterion = getCriterion(Criterion.Type.TCP_DST);
    assertThat(((TcpPortCriterion) criterion).tcpPort().toInt(), is(443));
    criterion = getCriterion(Criterion.Type.UDP_SRC);
    assertThat(((UdpPortCriterion) criterion).udpPort().toInt(), is(180));
    criterion = getCriterion(Criterion.Type.UDP_DST);
    assertThat(((UdpPortCriterion) criterion).udpPort().toInt(), is(1443));
    criterion = getCriterion(Criterion.Type.SCTP_SRC);
    assertThat(((SctpPortCriterion) criterion).sctpPort().toInt(), is(280));
    criterion = getCriterion(Criterion.Type.SCTP_DST);
    assertThat(((SctpPortCriterion) criterion).sctpPort().toInt(), is(2443));
    criterion = getCriterion(Criterion.Type.ICMPV4_TYPE);
    assertThat(((IcmpTypeCriterion) criterion).icmpType(), is((short) 24));
    criterion = getCriterion(Criterion.Type.ICMPV4_CODE);
    assertThat(((IcmpCodeCriterion) criterion).icmpCode(), is((short) 16));
    criterion = getCriterion(Criterion.Type.ICMPV6_TYPE);
    assertThat(((Icmpv6TypeCriterion) criterion).icmpv6Type(), is((short) 14));
    criterion = getCriterion(Criterion.Type.ICMPV6_CODE);
    assertThat(((Icmpv6CodeCriterion) criterion).icmpv6Code(), is((short) 6));
    criterion = getCriterion(Criterion.Type.IPV6_FLABEL);
    assertThat(((IPv6FlowLabelCriterion) criterion).flowLabel(), is(8));
    criterion = getCriterion(Criterion.Type.IPV6_ND_TARGET);
    assertThat(((IPv6NDTargetAddressCriterion) criterion).targetAddress().toString(), is("1111:2222:3333:4444:5555:6666:7777:8888"));
    criterion = getCriterion(Criterion.Type.IPV6_ND_SLL);
    assertThat(((IPv6NDLinkLayerAddressCriterion) criterion).mac(), is(MacAddress.valueOf("00:11:22:33:44:56")));
    criterion = getCriterion(Criterion.Type.IPV6_ND_TLL);
    assertThat(((IPv6NDLinkLayerAddressCriterion) criterion).mac(), is(MacAddress.valueOf("00:11:22:33:44:57")));
    criterion = getCriterion(Criterion.Type.MPLS_LABEL);
    assertThat(((MplsCriterion) criterion).label(), is(MplsLabel.mplsLabel(123)));
    criterion = getCriterion(Criterion.Type.IPV6_EXTHDR);
    assertThat(((IPv6ExthdrFlagsCriterion) criterion).exthdrFlags(), is(99));
    criterion = getCriterion(Criterion.Type.TUNNEL_ID);
    assertThat(((TunnelIdCriterion) criterion).tunnelId(), is(100L));
    criterion = getCriterion(Criterion.Type.OCH_SIGTYPE);
    assertThat(((OchSignalTypeCriterion) criterion).signalType(), is(OchSignalType.FIXED_GRID));
    criterion = getCriterion(Criterion.Type.ODU_SIGTYPE);
    assertThat(((OduSignalTypeCriterion) criterion).signalType(), is(OduSignalType.ODU4));
    criterion = getCriterion(Criterion.Type.ODU_SIGID);
    assertThat(((OduSignalIdCriterion) criterion).oduSignalId().tributaryPortNumber(), is(1));
    assertThat(((OduSignalIdCriterion) criterion).oduSignalId().tributarySlotLength(), is(80));
    assertThat(((OduSignalIdCriterion) criterion).oduSignalId().tributarySlotBitmap(), is(new byte[] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }));
}

Example 55 with VlanIdCriterion

use of org.onosproject.net.flow.criteria.VlanIdCriterion in project onos by opennetworkinglab.

the class Ofdpa2GroupHandler method createL2L3ChainInternal.

/**
 * Internal implementation of createL2L3Chain.
 * <p>
 * The is_present bit in set_vlan_vid action is required to be 0 in OFDPA i12.
 * Since it is non-OF spec, we need an extension treatment for that.
 * The useSetVlanExtension must be set to false for OFDPA i12.
 * </p>
 *
 * @param treatment that needs to be broken up to create the group chain
 * @param nextId of the next objective that needs this group chain
 * @param appId of the application that sent this next objective
 * @param mpls determines if L3Unicast or MPLSInterface group is created
 * @param meta metadata passed in by the application as part of the nextObjective
 * @param useSetVlanExtension use the setVlanVid extension that has is_present bit set to 0.
 * @return GroupInfo containing the GroupDescription of the
 *         L2Interface group(inner) and the GroupDescription of the (outer)
 *         L3Unicast/MPLSInterface group. May return null if there is an
 *         error in processing the chain
 */
protected GroupInfo createL2L3ChainInternal(TrafficTreatment treatment, int nextId, ApplicationId appId, boolean mpls, TrafficSelector meta, boolean useSetVlanExtension) {
    // for the l2interface group, get vlan and port info
    // for the outer group, get the src/dst mac, and vlan info
    TrafficTreatment.Builder outerTtb = DefaultTrafficTreatment.builder();
    TrafficTreatment.Builder innerTtb = DefaultTrafficTreatment.builder();
    VlanId vlanid = null;
    long portNum = 0;
    boolean setVlan = false, popVlan = false;
    MacAddress srcMac;
    MacAddress dstMac;
    for (Instruction ins : treatment.allInstructions()) {
        if (ins.type() == Instruction.Type.L2MODIFICATION) {
            L2ModificationInstruction l2ins = (L2ModificationInstruction) ins;
            switch(l2ins.subtype()) {
                case ETH_DST:
                    dstMac = ((L2ModificationInstruction.ModEtherInstruction) l2ins).mac();
                    outerTtb.setEthDst(dstMac);
                    break;
                case ETH_SRC:
                    srcMac = ((L2ModificationInstruction.ModEtherInstruction) l2ins).mac();
                    outerTtb.setEthSrc(srcMac);
                    break;
                case VLAN_ID:
                    vlanid = ((L2ModificationInstruction.ModVlanIdInstruction) l2ins).vlanId();
                    if (useSetVlanExtension) {
                        OfdpaSetVlanVid ofdpaSetVlanVid = new OfdpaSetVlanVid(vlanid);
                        outerTtb.extension(ofdpaSetVlanVid, deviceId);
                    } else {
                        outerTtb.setVlanId(vlanid);
                    }
                    setVlan = true;
                    break;
                case VLAN_POP:
                    innerTtb.popVlan();
                    popVlan = true;
                    break;
                case DEC_MPLS_TTL:
                case MPLS_LABEL:
                case MPLS_POP:
                case MPLS_PUSH:
                case VLAN_PCP:
                case VLAN_PUSH:
                default:
                    break;
            }
        } else if (ins.type() == Instruction.Type.OUTPUT) {
            portNum = ((Instructions.OutputInstruction) ins).port().toLong();
            innerTtb.add(ins);
        } else {
            log.debug("Driver does not handle this type of TrafficTreatment" + " instruction in l2l3chain:  {} - {}", ins.type(), ins);
        }
    }
    if (vlanid == null && meta != null) {
        // use metadata if available
        Criterion vidCriterion = meta.getCriterion(VLAN_VID);
        if (vidCriterion != null) {
            vlanid = ((VlanIdCriterion) vidCriterion).vlanId();
        }
        // if vlan is not set, use the vlan in metadata for outerTtb
        if (vlanid != null && !setVlan) {
            if (useSetVlanExtension) {
                OfdpaSetVlanVid ofdpaSetVlanVid = new OfdpaSetVlanVid(vlanid);
                outerTtb.extension(ofdpaSetVlanVid, deviceId);
            } else {
                outerTtb.setVlanId(vlanid);
            }
        }
    }
    if (vlanid == null) {
        log.error("Driver cannot process an L2/L3 group chain without " + "egress vlan information for dev: {} port:{}", deviceId, portNum);
        return null;
    }
    if (!setVlan && !popVlan) {
        // untagged outgoing port
        TrafficTreatment.Builder temp = DefaultTrafficTreatment.builder();
        temp.popVlan();
        innerTtb.build().allInstructions().forEach(temp::add);
        innerTtb = temp;
    }
    // assemble information for ofdpa l2interface group
    int l2groupId = l2GroupId(vlanid, portNum);
    // a globally unique groupkey that is different for ports in the same device,
    // but different for the same portnumber on different devices. Also different
    // for the various group-types created out of the same next objective.
    int l2gk = l2InterfaceGroupKey(deviceId, vlanid, portNum);
    final GroupKey l2groupkey = new DefaultGroupKey(appKryo.serialize(l2gk));
    // assemble information for outer group
    GroupDescription outerGrpDesc;
    if (mpls) {
        // outer group is MPLS Interface
        int mplsInterfaceIndex = getNextAvailableIndex();
        int mplsGroupId = MPLS_INTERFACE_TYPE | (SUBTYPE_MASK & mplsInterfaceIndex);
        final GroupKey mplsGroupKey = new DefaultGroupKey(appKryo.serialize(mplsInterfaceIndex));
        outerTtb.group(new GroupId(l2groupId));
        // create the mpls-interface group description to wait for the
        // l2 interface group to be processed
        GroupBucket mplsinterfaceGroupBucket = DefaultGroupBucket.createIndirectGroupBucket(outerTtb.build());
        outerGrpDesc = new DefaultGroupDescription(deviceId, GroupDescription.Type.INDIRECT, new GroupBuckets(Collections.singletonList(mplsinterfaceGroupBucket)), mplsGroupKey, mplsGroupId, appId);
        log.debug("Trying MPLS-Interface: device:{} gid:{} gkey:{} nextid:{}", deviceId, Integer.toHexString(mplsGroupId), mplsGroupKey, nextId);
    } else {
        // outer group is L3Unicast
        int l3unicastIndex = getNextAvailableIndex();
        int l3groupId = L3_UNICAST_TYPE | (TYPE_MASK & l3unicastIndex);
        final GroupKey l3groupkey = new DefaultGroupKey(appKryo.serialize(l3unicastIndex));
        outerTtb.group(new GroupId(l2groupId));
        // create the l3unicast group description to wait for the
        // l2 interface group to be processed
        GroupBucket l3unicastGroupBucket = DefaultGroupBucket.createIndirectGroupBucket(outerTtb.build());
        outerGrpDesc = new DefaultGroupDescription(deviceId, GroupDescription.Type.INDIRECT, new GroupBuckets(Collections.singletonList(l3unicastGroupBucket)), l3groupkey, l3groupId, appId);
        log.debug("Trying L3Unicast: device:{} gid:{} gkey:{} nextid:{}", deviceId, Integer.toHexString(l3groupId), l3groupkey, nextId);
    }
    // store l2groupkey with the groupChainElem for the outer-group that depends on it
    GroupChainElem gce = new GroupChainElem(outerGrpDesc, 1, false, deviceId);
    updatePendingGroups(l2groupkey, gce);
    // create group description for the inner l2 interface group
    GroupBucket l2InterfaceGroupBucket = DefaultGroupBucket.createIndirectGroupBucket(innerTtb.build());
    GroupDescription l2groupDescription = new DefaultGroupDescription(deviceId, GroupDescription.Type.INDIRECT, new GroupBuckets(Collections.singletonList(l2InterfaceGroupBucket)), l2groupkey, l2groupId, appId);
    log.debug("Trying L2Interface: device:{} gid:{} gkey:{} nextId:{}", deviceId, Integer.toHexString(l2groupId), l2groupkey, nextId);
    return new GroupInfo(l2groupDescription, outerGrpDesc);
}