Examples with DefaultGroupDescription org.onosproject.net.group.DefaultGroupDescription used on opensource projects

Example 6 with DefaultGroupDescription

use of org.onosproject.net.group.DefaultGroupDescription in project onos by opennetworkinglab.

the class Ofdpa2GroupHandler method prepareL2InterfaceGroup.

private List<GroupInfo> prepareL2InterfaceGroup(NextObjective nextObj, VlanId assignedVlan) {
    ImmutableList.Builder<GroupInfo> groupInfoBuilder = ImmutableList.builder();
    // break up broadcast next objective to multiple groups
    Collection<TrafficTreatment> buckets = nextObj.nextTreatments().stream().filter(nt -> nt.type() == NextTreatment.Type.TREATMENT).map(nt -> ((DefaultNextTreatment) nt).treatment()).collect(Collectors.toSet());
    // Each treatment is converted to an L2 interface group
    for (TrafficTreatment treatment : buckets) {
        TrafficTreatment.Builder newTreatment = DefaultTrafficTreatment.builder();
        PortNumber portNum = null;
        VlanId egressVlan = null;
        // ensure that the only allowed treatments are pop-vlan and output
        for (Instruction ins : treatment.allInstructions()) {
            if (ins.type() == Instruction.Type.L2MODIFICATION) {
                L2ModificationInstruction l2ins = (L2ModificationInstruction) ins;
                switch(l2ins.subtype()) {
                    case VLAN_POP:
                        newTreatment.add(l2ins);
                        break;
                    case VLAN_ID:
                        egressVlan = ((L2ModificationInstruction.ModVlanIdInstruction) l2ins).vlanId();
                        break;
                    default:
                        log.debug("action {} not permitted for broadcast nextObj", l2ins.subtype());
                        break;
                }
            } else if (ins.type() == Instruction.Type.OUTPUT) {
                portNum = ((Instructions.OutputInstruction) ins).port();
                newTreatment.add(ins);
            } else {
                log.debug("TrafficTreatment of type {} not permitted in " + " broadcast nextObjective", ins.type());
            }
        }
        if (portNum == null) {
            log.debug("Can't find output port for the bucket {}.", treatment);
            continue;
        }
        // assemble info for l2 interface group
        VlanId l2InterfaceGroupVlan = (egressVlan != null && !assignedVlan.equals(egressVlan)) ? egressVlan : assignedVlan;
        int l2gk = l2InterfaceGroupKey(deviceId, l2InterfaceGroupVlan, portNum.toLong());
        final GroupKey l2InterfaceGroupKey = new DefaultGroupKey(appKryo.serialize(l2gk));
        int l2InterfaceGroupId = L2_INTERFACE_TYPE | ((l2InterfaceGroupVlan.toShort() & THREE_NIBBLE_MASK) << PORT_LEN) | ((int) portNum.toLong() & FOUR_NIBBLE_MASK);
        GroupBucket l2InterfaceGroupBucket = DefaultGroupBucket.createIndirectGroupBucket(newTreatment.build());
        GroupDescription l2InterfaceGroupDescription = new DefaultGroupDescription(deviceId, GroupDescription.Type.INDIRECT, new GroupBuckets(Collections.singletonList(l2InterfaceGroupBucket)), l2InterfaceGroupKey, l2InterfaceGroupId, nextObj.appId());
        log.debug("Trying L2-Interface: device:{} gid:{} gkey:{} nextid:{}", deviceId, Integer.toHexString(l2InterfaceGroupId), l2InterfaceGroupKey, nextObj.id());
        groupInfoBuilder.add(new GroupInfo(l2InterfaceGroupDescription, l2InterfaceGroupDescription));
    }
    return groupInfoBuilder.build();
}

Example 7 with DefaultGroupDescription

use of org.onosproject.net.group.DefaultGroupDescription in project onos by opennetworkinglab.

the class Ofdpa2GroupHandler method addBucketToL2FloodGroup.

private void addBucketToL2FloodGroup(NextObjective nextObj, List<Deque<GroupKey>> allActiveKeys, List<GroupInfo> groupInfos, VlanId assignedVlan) {
    Group l2FloodGroup = retrieveTopLevelGroup(allActiveKeys, deviceId, groupService, nextObj.id());
    if (l2FloodGroup == null) {
        log.warn("Can't find L2 flood group while adding bucket to it. NextObj = {}", nextObj);
        fail(nextObj, ObjectiveError.GROUPMISSING);
        return;
    }
    GroupKey l2floodGroupKey = l2FloodGroup.appCookie();
    int l2floodGroupId = l2FloodGroup.id().id();
    List<GroupBucket> newBuckets = generateNextGroupBuckets(groupInfos, ALL);
    GroupDescription l2FloodGroupDescription = new DefaultGroupDescription(deviceId, ALL, new GroupBuckets(newBuckets), l2floodGroupKey, l2floodGroupId, nextObj.appId());
    GroupChainElem l2FloodGroupChainElement = new GroupChainElem(l2FloodGroupDescription, groupInfos.size(), true, deviceId);
    // ensure assignedVlan applies to the chosen group
    VlanId floodGroupVlan = extractVlanIdFromGroupId(l2floodGroupId);
    if (!floodGroupVlan.equals(assignedVlan)) {
        log.warn("VLAN ID {} does not match Flood group {} to which bucket is " + "being added, for next:{} in dev:{}. Abort.", assignedVlan, Integer.toHexString(l2floodGroupId), nextObj.id(), deviceId);
        fail(nextObj, ObjectiveError.BADPARAMS);
        return;
    }
    List<Deque<GroupKey>> addedKeys = new ArrayList<>();
    groupInfos.forEach(groupInfo -> {
        // update original NextGroup with new bucket-chain
        Deque<GroupKey> newBucketChain = new ArrayDeque<>();
        newBucketChain.addFirst(groupInfo.nextGroupDesc().appCookie());
        newBucketChain.addFirst(l2floodGroupKey);
        addedKeys.add(newBucketChain);
        log.debug("Adding to L2FLOOD: device:{} gid:{} group key:{} nextId:{}", deviceId, Integer.toHexString(l2floodGroupId), l2floodGroupKey, nextObj.id());
        // send the innermost group
        log.debug("Sending innermost group {} in group chain on device {} ", Integer.toHexString(groupInfo.innerMostGroupDesc().givenGroupId()), deviceId);
        updatePendingGroups(groupInfo.nextGroupDesc().appCookie(), l2FloodGroupChainElement);
        DeviceId innerMostGroupDevice = groupInfo.innerMostGroupDesc().deviceId();
        GroupKey innerMostGroupKey = groupInfo.innerMostGroupDesc().appCookie();
        Group existsL2IGroup = groupService.getGroup(innerMostGroupDevice, innerMostGroupKey);
        if (existsL2IGroup != null) {
            // group already exist
            processPendingAddGroupsOrNextObjs(innerMostGroupKey, true);
        } else {
            groupService.addGroup(groupInfo.innerMostGroupDesc());
        }
    });
    updatePendingNextObjective(l2floodGroupKey, new OfdpaNextGroup(addedKeys, nextObj));
}

Example 8 with DefaultGroupDescription

use of org.onosproject.net.group.DefaultGroupDescription in project onos by opennetworkinglab.

the class Ofdpa2GroupHandler method addBucketToEcmpHashGroup.

private void addBucketToEcmpHashGroup(NextObjective nextObjective, List<Deque<GroupKey>> allActiveKeys) {
    // storage for all group keys in the chain of groups created
    List<Deque<GroupKey>> allGroupKeys = new ArrayList<>();
    List<GroupInfo> unsentGroups = new ArrayList<>();
    List<GroupBucket> newBuckets;
    createEcmpHashBucketChains(nextObjective, allGroupKeys, unsentGroups);
    // now we can create the buckets to add to the outermost L3 ECMP group
    newBuckets = generateNextGroupBuckets(unsentGroups, SELECT);
    // retrieve the original L3 ECMP group
    Group l3ecmpGroup = retrieveTopLevelGroup(allActiveKeys, deviceId, groupService, nextObjective.id());
    if (l3ecmpGroup == null) {
        fail(nextObjective, ObjectiveError.GROUPMISSING);
        return;
    }
    GroupKey l3ecmpGroupKey = l3ecmpGroup.appCookie();
    int l3ecmpGroupId = l3ecmpGroup.id().id();
    // Although GroupDescriptions are not necessary for adding buckets to
    // existing groups, we still use one in the GroupChainElem. When the latter is
    // processed, the info will be extracted for the bucketAdd call to groupService
    GroupDescription l3ecmpGroupDesc = new DefaultGroupDescription(deviceId, SELECT, new GroupBuckets(newBuckets), l3ecmpGroupKey, l3ecmpGroupId, nextObjective.appId());
    GroupChainElem l3ecmpGce = new GroupChainElem(l3ecmpGroupDesc, unsentGroups.size(), true, deviceId);
    // update new bucket-chains
    List<Deque<GroupKey>> addedKeys = new ArrayList<>();
    for (Deque<GroupKey> newBucketChain : allGroupKeys) {
        newBucketChain.addFirst(l3ecmpGroupKey);
        addedKeys.add(newBucketChain);
    }
    updatePendingNextObjective(l3ecmpGroupKey, new OfdpaNextGroup(addedKeys, nextObjective));
    log.debug("Adding to L3ECMP: device:{} gid:{} group key:{} nextId:{}", deviceId, Integer.toHexString(l3ecmpGroupId), l3ecmpGroupKey, nextObjective.id());
    unsentGroups.forEach(groupInfo -> {
        // send the innermost group
        log.debug("Sending innermost group {} in group chain on device {} ", Integer.toHexString(groupInfo.innerMostGroupDesc().givenGroupId()), deviceId);
        updatePendingGroups(groupInfo.nextGroupDesc().appCookie(), l3ecmpGce);
        groupService.addGroup(groupInfo.innerMostGroupDesc());
    });
}

Example 9 with DefaultGroupDescription

use of org.onosproject.net.group.DefaultGroupDescription in project onos by opennetworkinglab.

the class Ofdpa2GroupHandler method processEcmpHashedNextObjective.

/**
 * As per the OFDPA 2.0 TTP, packets are sent out of ports by using
 * a chain of groups. The hashed Next Objective passed in by the application
 * has to be broken up into a group chain comprising of an
 * L3 ECMP group as the top level group. Buckets of this group can point
 * to a variety of groups in a group chain, depending on the whether
 * MPLS labels are being pushed or not.
 * <p>
 * NOTE: We do not create MPLS ECMP groups as they are unimplemented in
 *       OF-DPA 2.0 (even though it is in the spec). Therefore we do not
 *       check the nextObjective meta to see what is matching before being
 *       sent to this nextObjective.
 *
 * @param nextObj  the nextObjective of type HASHED
 */
protected void processEcmpHashedNextObjective(NextObjective nextObj) {
    // storage for all group keys in the chain of groups created
    List<Deque<GroupKey>> allGroupKeys = new ArrayList<>();
    List<GroupInfo> unsentGroups = new ArrayList<>();
    createEcmpHashBucketChains(nextObj, allGroupKeys, unsentGroups);
    // now we can create the outermost L3 ECMP group
    List<GroupBucket> l3ecmpGroupBuckets = new ArrayList<>();
    for (GroupInfo gi : unsentGroups) {
        // create ECMP bucket to point to the outer group
        TrafficTreatment.Builder ttb = DefaultTrafficTreatment.builder();
        ttb.group(new GroupId(gi.nextGroupDesc().givenGroupId()));
        GroupBucket sbucket = DefaultGroupBucket.createSelectGroupBucket(ttb.build());
        l3ecmpGroupBuckets.add(sbucket);
    }
    int l3ecmpIndex = getNextAvailableIndex();
    int l3ecmpGroupId = L3_ECMP_TYPE | (TYPE_MASK & l3ecmpIndex);
    GroupKey l3ecmpGroupKey = new DefaultGroupKey(appKryo.serialize(l3ecmpIndex));
    GroupDescription l3ecmpGroupDesc = new DefaultGroupDescription(deviceId, SELECT, new GroupBuckets(l3ecmpGroupBuckets), l3ecmpGroupKey, l3ecmpGroupId, nextObj.appId());
    GroupChainElem l3ecmpGce = new GroupChainElem(l3ecmpGroupDesc, l3ecmpGroupBuckets.size(), false, deviceId);
    // create objects for local and distributed storage
    allGroupKeys.forEach(gKeyChain -> gKeyChain.addFirst(l3ecmpGroupKey));
    OfdpaNextGroup ofdpaGrp = new OfdpaNextGroup(allGroupKeys, nextObj);
    // store l3ecmpGroupKey with the ofdpaGroupChain for the nextObjective
    // that depends on it
    updatePendingNextObjective(l3ecmpGroupKey, ofdpaGrp);
    log.debug("Trying L3ECMP: device:{} gid:{} gkey:{} nextId:{}", deviceId, Integer.toHexString(l3ecmpGroupId), l3ecmpGroupKey, nextObj.id());
    // finally we are ready to send the innermost groups
    for (GroupInfo gi : unsentGroups) {
        log.debug("Sending innermost group {} in group chain on device {} ", Integer.toHexString(gi.innerMostGroupDesc().givenGroupId()), deviceId);
        updatePendingGroups(gi.nextGroupDesc().appCookie(), l3ecmpGce);
        groupService.addGroup(gi.innerMostGroupDesc());
    }
}

Example 10 with DefaultGroupDescription

use of org.onosproject.net.group.DefaultGroupDescription in project onos by opennetworkinglab.

the class Ofdpa3GroupHandler method createMplsL2VpnGroup.

/**
 * Helper method to create a mpls l2 vpn group.
 *
 * @param nextGroupId the next group in the chain
 * @param index the index of the group
 * @param instructions the instructions to push
 * @param applicationId the application id
 * @return the group description
 */
private GroupDescription createMplsL2VpnGroup(int nextGroupId, int index, List<Instruction> instructions, ApplicationId applicationId) {
    TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
    // We add the extensions and the instructions.
    treatment.extension(new Ofdpa3PushL2Header(), deviceId);
    treatment.pushVlan();
    instructions.forEach(treatment::add);
    treatment.extension(new Ofdpa3PushCw(), deviceId);
    // We point the group to the next group.
    treatment.group(new GroupId(nextGroupId));
    GroupBucket groupBucket = DefaultGroupBucket.createIndirectGroupBucket(treatment.build());
    // Finally we build the group description.
    int groupId = makeMplsLabelGroupId(OfdpaMplsGroupSubType.L2_VPN, index);
    GroupKey groupKey = new DefaultGroupKey(Ofdpa2Pipeline.appKryo.serialize(index));
    return new DefaultGroupDescription(deviceId, INDIRECT, new GroupBuckets(Collections.singletonList(groupBucket)), groupKey, groupId, applicationId);
}