Examples with VLAN_ID org.onosproject.net.flow.instructions.L2ModificationInstruction.L2SubType.VLAN_ID used on opensource projects

Example 1 with VLAN_ID

use of org.onosproject.net.flow.instructions.L2ModificationInstruction.L2SubType.VLAN_ID in project onos by opennetworkinglab.

the class NextObjectiveTranslator method nextVlan.

private void nextVlan(NextObjective obj, ObjectiveTranslation.Builder resultBuilder) throws FabricPipelinerException {
    // We expect NextObjective treatments to contain one or two VLAN instructions.
    // If two, this treatment should be mapped to an action for double-vlan push.
    // In fabric.p4, mapping next IDs to VLAN IDs is done by a direct table (next_vlan),
    // for this reason, we also make sure that all treatments in the NextObjective
    // have exactly the same VLAN instructions, as they will be mapped to a single action
    // Try to extract VLAN instructions in the treatment,
    // later we check if we support multiple VLAN termination.
    final List<List<ModVlanIdInstruction>> vlanInstructions = defaultNextTreatments(obj.nextTreatments(), false).stream().map(defaultNextTreatment -> l2Instructions(defaultNextTreatment.treatment(), VLAN_ID).stream().map(v -> (ModVlanIdInstruction) v).collect(Collectors.toList())).filter(l -> !l.isEmpty()).collect(Collectors.toList());
    final VlanIdCriterion vlanIdCriterion = obj.meta() == null ? null : (VlanIdCriterion) criterion(obj.meta().criteria(), Criterion.Type.VLAN_VID);
    final List<VlanId> vlanIdList;
    if (vlanInstructions.isEmpty() && vlanIdCriterion == null) {
        // No VLAN_ID to apply.
        return;
    }
    if (!vlanInstructions.isEmpty()) {
        // Give priority to what found in the instructions.
        // Expect the same VLAN ID (or two VLAN IDs in the same order) for all instructions.
        final Set<List<VlanId>> vlanIds = vlanInstructions.stream().map(l -> l.stream().map(ModVlanIdInstruction::vlanId).collect(Collectors.toList())).collect(Collectors.toSet());
        if (obj.nextTreatments().size() != vlanInstructions.size() || vlanIds.size() != 1) {
            throw new FabricPipelinerException("Inconsistent VLAN_ID instructions, cannot process " + "next_vlan rule. It is required that all " + "treatments have the same VLAN_ID instructions.");
        }
        vlanIdList = vlanIds.iterator().next();
    } else {
        // Use the value in meta.
        // FIXME: there should be no need to generate a next_vlan rule for
        // the value found in meta. Meta describes the fields that were
        // expected to be matched in previous pipeline stages, i.e.
        // existing packet fields. But, for some reason, if we remove this
        // rule, traffic is not forwarded at spines. We might need to look
        // at the way default VLANs are handled in fabric.p4.
        vlanIdList = List.of(vlanIdCriterion.vlanId());
    }
    final TrafficSelector selector = nextIdSelector(obj.id());
    final TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder();
    vlanIdList.stream().forEach(vlanId -> treatmentBuilder.setVlanId(vlanId));
    final TrafficTreatment treatment = treatmentBuilder.build();
    resultBuilder.addFlowRule(flowRule(obj, FabricConstants.FABRIC_INGRESS_PRE_NEXT_NEXT_VLAN, selector, treatment));
}

Example 2 with VLAN_ID

use of org.onosproject.net.flow.instructions.L2ModificationInstruction.L2SubType.VLAN_ID in project onos by opennetworkinglab.

the class CorsaPipelineV39 method processNextTreatment.

@Override
protected CorsaTrafficTreatment processNextTreatment(TrafficTreatment treatment) {
    TrafficTreatment.Builder tb = DefaultTrafficTreatment.builder();
    treatment.immediate().stream().filter(i -> {
        switch(i.type()) {
            case L2MODIFICATION:
                L2ModificationInstruction l2i = (L2ModificationInstruction) i;
                return l2i.subtype() == VLAN_ID || l2i.subtype() == VLAN_POP || l2i.subtype() == ETH_DST || l2i.subtype() == ETH_SRC;
            case OUTPUT:
                return true;
            default:
                return false;
        }
    }).forEach(i -> tb.add(i));
    TrafficTreatment t = tb.build();
    boolean isPresentModVlanId = false;
    boolean isPresentModEthSrc = false;
    boolean isPresentModEthDst = false;
    boolean isPresentOutpuPort = false;
    for (Instruction instruction : t.immediate()) {
        switch(instruction.type()) {
            case L2MODIFICATION:
                L2ModificationInstruction l2i = (L2ModificationInstruction) instruction;
                if (l2i instanceof L2ModificationInstruction.ModVlanIdInstruction) {
                    isPresentModVlanId = true;
                }
                if (l2i instanceof L2ModificationInstruction.ModEtherInstruction) {
                    L2ModificationInstruction.L2SubType subType = l2i.subtype();
                    if (subType.equals(L2ModificationInstruction.L2SubType.ETH_SRC)) {
                        isPresentModEthSrc = true;
                    } else if (subType.equals(L2ModificationInstruction.L2SubType.ETH_DST)) {
                        isPresentModEthDst = true;
                    }
                }
                break;
            case OUTPUT:
                isPresentOutpuPort = true;
                break;
            default:
        }
    }
    CorsaTrafficTreatmentType type = CorsaTrafficTreatmentType.ACTIONS;
    /**
     * These are the allowed groups for CorsaPipelinev39
     */
    if (isPresentModVlanId && isPresentModEthSrc && isPresentModEthDst && isPresentOutpuPort) {
        type = CorsaTrafficTreatmentType.GROUP;
    } else if ((!isPresentModVlanId && isPresentModEthSrc && isPresentModEthDst && isPresentOutpuPort) || (!isPresentModVlanId && !isPresentModEthSrc && isPresentModEthDst && isPresentOutpuPort) || (!isPresentModVlanId && !isPresentModEthSrc && !isPresentModEthDst && isPresentOutpuPort)) {
        type = CorsaTrafficTreatmentType.GROUP;
        TrafficTreatment.Builder tb2 = DefaultTrafficTreatment.builder(t);
        tb2.add(Instructions.popVlan());
        t = tb2.build();
    }
    CorsaTrafficTreatment corsaTreatment = new CorsaTrafficTreatment(type, t);
    return corsaTreatment;
}

Example 3 with VLAN_ID

use of org.onosproject.net.flow.instructions.L2ModificationInstruction.L2SubType.VLAN_ID in project fabric-tna by stratum.

the class NextObjectiveTranslator method nextVlan.

private void nextVlan(NextObjective obj, ObjectiveTranslation.Builder resultBuilder) throws FabricPipelinerException {
    // We expect NextObjective treatments to contain one or two VLAN instructions.
    // If two, this treatment should be mapped to an action for double-vlan push.
    // In fabric.p4, mapping next IDs to VLAN IDs is done by a direct table (next_vlan),
    // for this reason, we also make sure that all treatments in the NextObjective
    // have exactly the same VLAN instructions, as they will be mapped to a single action
    // Try to extract VLAN instructions in the treatment,
    // later we check if we support multiple VLAN termination.
    final List<List<ModVlanIdInstruction>> vlanInstructions = defaultNextTreatments(obj.nextTreatments(), false).stream().map(defaultNextTreatment -> l2Instructions(defaultNextTreatment.treatment(), VLAN_ID).stream().map(v -> (ModVlanIdInstruction) v).collect(Collectors.toList())).filter(l -> !l.isEmpty()).collect(Collectors.toList());
    final VlanIdCriterion vlanIdCriterion = obj.meta() == null ? null : (VlanIdCriterion) criterion(obj.meta().criteria(), Criterion.Type.VLAN_VID);
    final List<VlanId> vlanIdList;
    if (vlanInstructions.isEmpty() && vlanIdCriterion == null) {
        // No VLAN_ID to apply.
        return;
    }
    if (!vlanInstructions.isEmpty()) {
        // Give priority to what found in the instructions.
        // Expect the same VLAN ID (or two VLAN IDs in the same order) for all instructions.
        final Set<List<VlanId>> vlanIds = vlanInstructions.stream().map(l -> l.stream().map(ModVlanIdInstruction::vlanId).collect(Collectors.toList())).collect(Collectors.toSet());
        if (obj.nextTreatments().size() != vlanInstructions.size() || vlanIds.size() != 1) {
            throw new FabricPipelinerException("Inconsistent VLAN_ID instructions, cannot process " + "next_vlan rule. It is required that all " + "treatments have the same VLAN_ID instructions.");
        }
        vlanIdList = vlanIds.iterator().next();
    } else {
        // Use the value in meta.
        // FIXME: there should be no need to generate a next_vlan rule for
        // the value found in meta. Meta describes the fields that were
        // expected to be matched in previous pipeline stages, i.e.
        // existing packet fields. But, for some reason, if we remove this
        // rule, traffic is not forwarded at spines. We might need to look
        // at the way default VLANs are handled in fabric.p4.
        vlanIdList = List.of(vlanIdCriterion.vlanId());
    }
    final TrafficSelector selector = nextIdSelector(obj.id());
    final TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder();
    vlanIdList.forEach(treatmentBuilder::setVlanId);
    final TrafficTreatment treatment = treatmentBuilder.build();
    resultBuilder.addFlowRule(flowRule(obj, P4InfoConstants.FABRIC_INGRESS_PRE_NEXT_NEXT_VLAN, selector, treatment));
}