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

Example 16 with L2ModificationInstruction

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

the class Ofdpa2GroupHandler method processSimpleNextObjective.

/**
 * As per the OFDPA 2.0 TTP, packets are sent out of ports by using
 * a chain of groups. The simple Next Objective passed in by the application
 * is broken up into a group chain. The following chains can be created
 * depending on the parameters in the Next Objective.
 * 1. L2 Interface group (no chaining)
 * 2. L3 Unicast group -> L2 Interface group
 * 3. MPLS Interface group -> L2 Interface group
 * 4. MPLS Swap group -> MPLS Interface group -> L2 Interface group
 * 5. PW initiation group chain
 *
 * @param nextObj  the nextObjective of type SIMPLE
 */
private void processSimpleNextObjective(NextObjective nextObj) {
    TrafficTreatment treatment = nextObj.next().iterator().next();
    // determine if plain L2 or L3->L2 or MPLS Swap -> MPLS Interface -> L2
    boolean plainL2 = true;
    boolean mplsSwap = false;
    MplsLabel mplsLabel = null;
    for (Instruction ins : treatment.allInstructions()) {
        if (ins.type() == Instruction.Type.L2MODIFICATION) {
            L2ModificationInstruction l2ins = (L2ModificationInstruction) ins;
            if (l2ins.subtype() == L2ModificationInstruction.L2SubType.ETH_DST || l2ins.subtype() == L2ModificationInstruction.L2SubType.ETH_SRC) {
                plainL2 = false;
            }
            // a MPLS Swap group before the MPLS Interface Group
            if (l2ins.subtype() == L2ModificationInstruction.L2SubType.MPLS_LABEL) {
                mplsSwap = true;
                mplsLabel = ((L2ModificationInstruction.ModMplsLabelInstruction) l2ins).label();
            }
        }
    }
    if (plainL2) {
        createL2InterfaceGroup(nextObj);
        return;
    }
    // In order to understand if it is a pseudowire related
    // next objective we look for the tunnel id in the meta.
    boolean isPw = false;
    if (nextObj.meta() != null) {
        TunnelIdCriterion tunnelIdCriterion = (TunnelIdCriterion) nextObj.meta().getCriterion(TUNNEL_ID);
        if (tunnelIdCriterion != null) {
            isPw = true;
        }
    }
    if (mplsSwap && !isPw) {
        log.debug("Creating a MPLS Swap -> MPLS Interface -> L2 Interface group chain.");
        // break up simple next objective to GroupChain objects
        GroupInfo groupInfo = createL2L3Chain(treatment, nextObj.id(), nextObj.appId(), true, nextObj.meta());
        if (groupInfo == null) {
            log.error("Could not process nextObj={} in dev:{}", nextObj.id(), deviceId);
            fail(nextObj, ObjectiveError.BADPARAMS);
            return;
        }
        Deque<GroupKey> gkeyChain = new ArrayDeque<>();
        // l2 interface
        gkeyChain.addFirst(groupInfo.innerMostGroupDesc().appCookie());
        // mpls interface
        gkeyChain.addFirst(groupInfo.nextGroupDesc().appCookie());
        // creating the mpls swap group and adding it to the chain
        int nextGid = groupInfo.nextGroupDesc().givenGroupId();
        int index = getNextAvailableIndex();
        GroupDescription swapGroupDescription = createMplsSwap(nextGid, OfdpaMplsGroupSubType.MPLS_SWAP_LABEL, index, mplsLabel, nextObj.appId());
        // ensure swap group is added after L2L3 chain
        GroupKey swapGroupKey = swapGroupDescription.appCookie();
        GroupChainElem swapChainElem = new GroupChainElem(swapGroupDescription, 1, false, deviceId);
        updatePendingGroups(groupInfo.nextGroupDesc().appCookie(), swapChainElem);
        gkeyChain.addFirst(swapGroupKey);
        // ensure nextObjective waits on the outermost groupKey
        List<Deque<GroupKey>> allGroupKeys = Lists.newArrayList();
        allGroupKeys.add(gkeyChain);
        OfdpaNextGroup ofdpaGrp = new OfdpaNextGroup(allGroupKeys, nextObj);
        updatePendingNextObjective(swapGroupKey, ofdpaGrp);
        // now we are ready to send the l2 groupDescription (inner), as all the stores
        // that will get async replies have been updated. By waiting to update
        // the stores, we prevent nasty race conditions.
        groupService.addGroup(groupInfo.innerMostGroupDesc());
    } else if (!isPw) {
        boolean isMpls = false;
        if (nextObj.meta() != null) {
            isMpls = isNotMplsBos(nextObj.meta());
        }
        log.debug("Creating a {} -> L2 Interface group chain.", (isMpls) ? "MPLS Interface" : "L3 Unicast");
        // break up simple next objective to GroupChain objects
        GroupInfo groupInfo = createL2L3Chain(treatment, nextObj.id(), nextObj.appId(), isMpls, nextObj.meta());
        if (groupInfo == null) {
            log.error("Could not process nextObj={} in dev:{}", nextObj.id(), deviceId);
            fail(nextObj, ObjectiveError.BADPARAMS);
            return;
        }
        // create object for local and distributed storage
        Deque<GroupKey> gkeyChain = new ArrayDeque<>();
        gkeyChain.addFirst(groupInfo.innerMostGroupDesc().appCookie());
        gkeyChain.addFirst(groupInfo.nextGroupDesc().appCookie());
        List<Deque<GroupKey>> allGroupKeys = Lists.newArrayList();
        allGroupKeys.add(gkeyChain);
        OfdpaNextGroup ofdpaGrp = new OfdpaNextGroup(allGroupKeys, nextObj);
        // store l3groupkey with the ofdpaNextGroup for the nextObjective that depends on it
        updatePendingNextObjective(groupInfo.nextGroupDesc().appCookie(), ofdpaGrp);
        // now we are ready to send the l2 groupDescription (inner), as all the stores
        // that will get async replies have been updated. By waiting to update
        // the stores, we prevent nasty race conditions.
        groupService.addGroup(groupInfo.innerMostGroupDesc());
    } else {
        // We handle the pseudo wire with a different a procedure.
        // This procedure is meant to handle both initiation and
        // termination of the pseudo wire.
        processPwNextObjective(nextObj);
    }
}

Example 17 with L2ModificationInstruction

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

the class HPPipelineV3500 method tableIdForForwardingObjective.

@Override
protected int tableIdForForwardingObjective(TrafficSelector selector, TrafficTreatment treatment) {
    boolean hardwareProcess = true;
    log.debug("HP V3500 Driver - Evaluating the ForwardingObjective for proper TableID");
    // Check criteria supported in hardware
    for (Criterion criterion : selector.criteria()) {
        if (!this.hardwareCriteria.contains(criterion.type())) {
            log.warn("HP V3500 Driver - criterion {} only supported in SOFTWARE", criterion.type());
            hardwareProcess = false;
            break;
        }
        // HP3500 supports hardware match on ETH_TYPE only with value TYPE_IPV4
        if (criterion.type() == Criterion.Type.ETH_TYPE) {
            if (((EthTypeCriterion) criterion).ethType().toShort() != Ethernet.TYPE_IPV4) {
                log.warn("HP V3500 Driver - only ETH_TYPE == IPv4 (0x0800) is supported in hardware");
                hardwareProcess = false;
                break;
            }
        }
        // HP3500 supports IN_PORT criterion in hardware only if associated with ETH_TYPE criterion
        if (criterion.type() == Criterion.Type.IN_PORT) {
            hardwareProcess = false;
            for (Criterion requiredCriterion : selector.criteria()) {
                if (requiredCriterion.type() == Criterion.Type.ETH_TYPE) {
                    hardwareProcess = true;
                }
            }
            if (!hardwareProcess) {
                log.warn("HP V3500 Driver - IN_PORT criterion without ETH_TYPE is not supported in hardware");
                break;
            }
        }
    }
    // Check if a CLEAR action is included
    if (treatment.clearedDeferred()) {
        log.warn("HP V3500 Driver - CLEAR action only supported in SOFTWARE");
        hardwareProcess = false;
    }
    // If criteria can be processed in hardware, then check treatment
    if (hardwareProcess) {
        for (Instruction instruction : treatment.allInstructions()) {
            // Check if the instruction type is contained in the hardware instruction
            if (!this.hardwareInstructions.contains(instruction.type())) {
                log.warn("HP V3500 Driver - instruction {} only supported in SOFTWARE", instruction.type());
                hardwareProcess = false;
                break;
            }
            /**
             * If output is CONTROLLER_PORT the flow entry could be installed in hardware
             * but is anyway processed in software because openflow header has to be added
             */
            if (instruction.type() == Instruction.Type.OUTPUT) {
                if (((Instructions.OutputInstruction) instruction).port() == PortNumber.CONTROLLER) {
                    log.warn("HP V3500 Driver - Forwarding to CONTROLLER only supported in software");
                    hardwareProcess = false;
                    break;
                }
            }
            /**
             * Only L2MODIFICATION supported in hardware is MODIFY VLAN_PRIORITY.
             * Check if the specific L2MODIFICATION.subtype is supported in hardware
             */
            if (instruction.type() == Instruction.Type.L2MODIFICATION) {
                if (!this.hardwareInstructionsL2mod.contains(((L2ModificationInstruction) instruction).subtype())) {
                    log.warn("HP V3500 Driver - L2MODIFICATION.subtype {} only supported in SOFTWARE", ((L2ModificationInstruction) instruction).subtype());
                    hardwareProcess = false;
                    break;
                }
            }
        }
    }
    if (hardwareProcess) {
        log.warn("HP V3500 Driver - This flow rule is supported in HARDWARE");
        return HP_HARDWARE_TABLE;
    } else {
        // TODO: create a specific flow in table 100 to redirect selected traffic on table 200
        log.warn("HP V3500 Driver - This flow rule is only supported in SOFTWARE");
        return HP_SOFTWARE_TABLE;
    }
}

Example 18 with L2ModificationInstruction

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

the class HPPipelineV3500 method checkUnSupportedFeatures.

// Return TRUE if ForwardingObjective fwd includes unsupported features
@Override
protected boolean checkUnSupportedFeatures(TrafficSelector selector, TrafficTreatment treatment) {
    boolean unsupportedFeatures = false;
    for (Criterion criterion : selector.criteria()) {
        if (this.unsupportedCriteria.contains(criterion.type())) {
            log.warn("HP V3500 Driver - unsupported criteria {}", criterion.type());
            unsupportedFeatures = true;
        }
    }
    for (Instruction instruction : treatment.allInstructions()) {
        if (this.unsupportedInstructions.contains(instruction.type())) {
            log.warn("HP V3500 Driver - unsupported instruction {}", instruction.type());
            unsupportedFeatures = true;
        }
        if (instruction.type() == Instruction.Type.L2MODIFICATION) {
            if (this.unsupportedL2mod.contains(((L2ModificationInstruction) instruction).subtype())) {
                log.warn("HP V3500 Driver - unsupported L2MODIFICATION instruction {}", ((L2ModificationInstruction) instruction).subtype());
                unsupportedFeatures = true;
            }
        }
        if (instruction.type() == Instruction.Type.L3MODIFICATION) {
            if (this.unsupportedL3mod.contains(((L3ModificationInstruction) instruction).subtype())) {
                log.warn("HP V3500 Driver - unsupported L3MODIFICATION instruction {}", ((L3ModificationInstruction) instruction).subtype());
                unsupportedFeatures = true;
            }
        }
    }
    return unsupportedFeatures;
}

Example 19 with L2ModificationInstruction

use of org.onosproject.net.flow.instructions.L2ModificationInstruction in project trellis-control by opennetworkinglab.

the class MockFlowObjectiveService method forward.

@Override
public void forward(DeviceId deviceId, ForwardingObjective forwardingObjective) {
    TrafficSelector selector = forwardingObjective.selector();
    TrafficTreatment treatment = nextTable.get(forwardingObjective.nextId());
    MacAddress macAddress = ((EthCriterion) selector.getCriterion(Criterion.Type.ETH_DST)).mac();
    VlanId vlanId = ((VlanIdCriterion) selector.getCriterion(Criterion.Type.VLAN_VID)).vlanId();
    boolean popVlan = treatment.allInstructions().stream().filter(instruction -> instruction.type().equals(Instruction.Type.L2MODIFICATION)).anyMatch(instruction -> ((L2ModificationInstruction) instruction).subtype().equals(L2ModificationInstruction.L2SubType.VLAN_POP));
    PortNumber portNumber = treatment.allInstructions().stream().filter(instruction -> instruction.type().equals(Instruction.Type.OUTPUT)).map(instruction -> ((Instructions.OutputInstruction) instruction).port()).findFirst().orElse(null);
    if (portNumber == null) {
        throw new IllegalArgumentException();
    }
    Objective.Operation op = forwardingObjective.op();
    MockBridgingTableKey btKey = new MockBridgingTableKey(deviceId, macAddress, vlanId);
    MockBridgingTableValue btValue = new MockBridgingTableValue(popVlan, portNumber);
    if (op.equals(Objective.Operation.ADD)) {
        bridgingTable.put(btKey, btValue);
        forwardingObjective.context().ifPresent(context -> context.onSuccess(forwardingObjective));
    } else if (op.equals(Objective.Operation.REMOVE)) {
        bridgingTable.remove(btKey, btValue);
        forwardingObjective.context().ifPresent(context -> context.onSuccess(forwardingObjective));
    } else {
        forwardingObjective.context().ifPresent(context -> context.onError(forwardingObjective, ObjectiveError.UNKNOWN));
        throw new IllegalArgumentException();
    }
}

Example 20 with L2ModificationInstruction

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

the class CorsaPipelineV3 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 instanceof L2ModificationInstruction.ModVlanIdInstruction || l2i instanceof L2ModificationInstruction.ModEtherInstruction;
            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;
    /**
     * This represents the allowed group for CorsaPipelinev3
     */
    if (isPresentModVlanId && isPresentModEthSrc && isPresentModEthDst && isPresentOutpuPort) {
        type = CorsaTrafficTreatmentType.GROUP;
    }
    CorsaTrafficTreatment corsaTreatment = new CorsaTrafficTreatment(type, t);
    return corsaTreatment;
}