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

Example 6 with GroupDescription

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

the class Ofdpa2GroupHandler method createL2FloodGroup.

private void createL2FloodGroup(NextObjective nextObj, VlanId vlanId, List<GroupInfo> groupInfos) {
    // assemble info for l2 flood group. Since there can be only one flood
    // group for a vlan, its index is always the same - 0
    Integer l2FloodGroupId = L2_FLOOD_TYPE | (vlanId.toShort() << 16);
    final GroupKey l2FloodGroupKey = l2FloodGroupKey(vlanId, deviceId);
    // collection of group buckets pointing to all the l2 interface groups
    List<GroupBucket> l2floodBuckets = generateNextGroupBuckets(groupInfos, ALL);
    // create the l2flood group-description to wait for all the
    // l2interface groups to be processed
    GroupDescription l2floodGroupDescription = new DefaultGroupDescription(deviceId, ALL, new GroupBuckets(l2floodBuckets), l2FloodGroupKey, l2FloodGroupId, nextObj.appId());
    log.debug("Trying L2-Flood: device:{} gid:{} gkey:{} nextid:{}", deviceId, Integer.toHexString(l2FloodGroupId), l2FloodGroupKey, nextObj.id());
    // Put all dependency information into allGroupKeys
    List<Deque<GroupKey>> allGroupKeys = Lists.newArrayList();
    groupInfos.forEach(groupInfo -> {
        Deque<GroupKey> groupKeyChain = new ArrayDeque<>();
        // In this case we should have L2 interface group only
        groupKeyChain.addFirst(groupInfo.nextGroupDesc().appCookie());
        groupKeyChain.addFirst(l2FloodGroupKey);
        allGroupKeys.add(groupKeyChain);
    });
    // Point the next objective to this group
    OfdpaNextGroup ofdpaGrp = new OfdpaNextGroup(allGroupKeys, nextObj);
    updatePendingNextObjective(l2FloodGroupKey, ofdpaGrp);
    GroupChainElem gce = new GroupChainElem(l2floodGroupDescription, groupInfos.size(), false, deviceId);
    groupInfos.forEach(groupInfo -> {
        // Point this group to the next group
        updatePendingGroups(groupInfo.nextGroupDesc().appCookie(), gce);
        // Start installing the inner-most group
        groupService.addGroup(groupInfo.innerMostGroupDesc());
    });
}

Example 7 with GroupDescription

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

the class Ofdpa2GroupHandler method prepareL3UnicastGroup.

private GroupInfo prepareL3UnicastGroup(NextObjective nextObj, NextGroup next) {
    ImmutableList.Builder<GroupInfo> groupInfoBuilder = ImmutableList.builder();
    TrafficTreatment treatment = nextObj.next().iterator().next();
    VlanId assignedVlan = readVlanFromSelector(nextObj.meta());
    if (assignedVlan == null) {
        log.warn("VLAN ID required by next obj is missing. Abort.");
        return null;
    }
    List<GroupInfo> l2GroupInfos = prepareL2InterfaceGroup(nextObj, assignedVlan);
    GroupDescription l2InterfaceGroupDesc = l2GroupInfos.get(0).innerMostGroupDesc();
    GroupKey l2groupkey = l2InterfaceGroupDesc.appCookie();
    TrafficTreatment.Builder outerTtb = DefaultTrafficTreatment.builder();
    VlanId vlanid = null;
    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();
                    outerTtb.setVlanId(vlanid);
                    break;
                default:
                    break;
            }
        } else {
            log.debug("Driver does not handle this type of TrafficTreatment" + " instruction in l2l3chain:  {} - {}", ins.type(), ins);
        }
    }
    GroupId l2groupId = new GroupId(l2InterfaceGroupDesc.givenGroupId());
    outerTtb.group(l2groupId);
    // we need the top level group's key to point the flow to it
    List<Deque<GroupKey>> gkeys = appKryo.deserialize(next.data());
    GroupKey l3groupkey = gkeys.get(0).peekFirst();
    GroupId grpId = groupService.getGroup(deviceId, l3groupkey).id();
    int l3groupId = grpId.id();
    // create the l3unicast group description to wait for the
    // l2 interface group to be processed
    GroupBucket l3UnicastGroupBucket = DefaultGroupBucket.createIndirectGroupBucket(outerTtb.build());
    GroupDescription l3UnicastGroupDescription = new DefaultGroupDescription(deviceId, GroupDescription.Type.INDIRECT, new GroupBuckets(Collections.singletonList(l3UnicastGroupBucket)), l3groupkey, l3groupId, nextObj.appId());
    // store l2groupkey with the groupChainElem for the outer-group that depends on it
    GroupChainElem gce = new GroupChainElem(l3UnicastGroupDescription, 1, false, deviceId);
    updatePendingGroups(l2groupkey, gce);
    log.debug("Trying L3-Interface: device:{} gid:{} gkey:{} nextid:{}", deviceId, Integer.toHexString(l3groupId), l3groupkey, nextObj.id());
    groupInfoBuilder.add(new GroupInfo(l2InterfaceGroupDesc, l3UnicastGroupDescription));
    return groupInfoBuilder.build().iterator().next();
}

Example 8 with GroupDescription

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

the class Ofdpa2GroupHandler method createEcmpHashBucketChains.

/**
 * Creates group chains for all buckets in a hashed group, and stores the
 * GroupInfos and GroupKeys for all the groups in the lists passed in, which
 * should be empty.
 * <p>
 * Does not create the top level ECMP group. Does not actually send the
 * groups to the groupService.
 *
 * @param nextObj  the Next Objective with buckets that need to be converted
 *                  to group chains
 * @param allGroupKeys  a list to store groupKey for each bucket-group-chain
 * @param unsentGroups  a list to store GroupInfo for each bucket-group-chain
 */
protected void createEcmpHashBucketChains(NextObjective nextObj, List<Deque<GroupKey>> allGroupKeys, List<GroupInfo> unsentGroups) {
    // break up hashed next objective to multiple groups
    Collection<TrafficTreatment> buckets = nextObj.next();
    for (TrafficTreatment bucket : buckets) {
        // figure out how many labels are pushed in each bucket
        int labelsPushed = 0;
        MplsLabel innermostLabel = null;
        for (Instruction ins : bucket.allInstructions()) {
            if (ins.type() == Instruction.Type.L2MODIFICATION) {
                L2ModificationInstruction l2ins = (L2ModificationInstruction) ins;
                if (l2ins.subtype() == L2ModificationInstruction.L2SubType.MPLS_PUSH) {
                    labelsPushed++;
                }
                if (l2ins.subtype() == L2ModificationInstruction.L2SubType.MPLS_LABEL) {
                    if (innermostLabel == null) {
                        innermostLabel = ((L2ModificationInstruction.ModMplsLabelInstruction) l2ins).label();
                    }
                }
            }
        }
        Deque<GroupKey> gKeyChain = new ArrayDeque<>();
        // here we only deal with 0 and 1 label push
        if (labelsPushed == 0) {
            GroupInfo noLabelGroupInfo;
            TrafficSelector metaSelector = nextObj.meta();
            if (metaSelector != null) {
                if (isNotMplsBos(metaSelector)) {
                    noLabelGroupInfo = createL2L3Chain(bucket, nextObj.id(), nextObj.appId(), true, nextObj.meta());
                } else {
                    noLabelGroupInfo = createL2L3Chain(bucket, nextObj.id(), nextObj.appId(), false, nextObj.meta());
                }
            } else {
                noLabelGroupInfo = createL2L3Chain(bucket, nextObj.id(), nextObj.appId(), false, nextObj.meta());
            }
            if (noLabelGroupInfo == null) {
                log.error("Could not process nextObj={} in dev:{}", nextObj.id(), deviceId);
                return;
            }
            gKeyChain.addFirst(noLabelGroupInfo.innerMostGroupDesc().appCookie());
            gKeyChain.addFirst(noLabelGroupInfo.nextGroupDesc().appCookie());
            // we can't send the inner group description yet, as we have to
            // create the dependent ECMP group first. So we store..
            unsentGroups.add(noLabelGroupInfo);
        } else if (labelsPushed == 1) {
            GroupInfo onelabelGroupInfo = createL2L3Chain(bucket, nextObj.id(), nextObj.appId(), true, nextObj.meta());
            if (onelabelGroupInfo == null) {
                log.error("Could not process nextObj={} in dev:{}", nextObj.id(), deviceId);
                return;
            }
            // we need to add another group to this chain - the L3VPN group
            TrafficTreatment.Builder l3vpnTtb = DefaultTrafficTreatment.builder();
            if (requireVlanPopBeforeMplsPush()) {
                l3vpnTtb.popVlan();
            }
            l3vpnTtb.pushMpls().setMpls(innermostLabel).group(new GroupId(onelabelGroupInfo.nextGroupDesc().givenGroupId()));
            if (supportCopyTtl()) {
                l3vpnTtb.copyTtlOut();
            }
            if (supportSetMplsBos()) {
                l3vpnTtb.setMplsBos(true);
            }
            if (requireVlanPopBeforeMplsPush()) {
                l3vpnTtb.pushVlan().setVlanId(VlanId.vlanId(VlanId.RESERVED));
            }
            GroupBucket l3vpnGrpBkt = DefaultGroupBucket.createIndirectGroupBucket(l3vpnTtb.build());
            int l3vpnIndex = getNextAvailableIndex();
            int l3vpnGroupId = MPLS_L3VPN_SUBTYPE | (SUBTYPE_MASK & l3vpnIndex);
            GroupKey l3vpnGroupKey = new DefaultGroupKey(appKryo.serialize(l3vpnIndex));
            GroupDescription l3vpnGroupDesc = new DefaultGroupDescription(deviceId, GroupDescription.Type.INDIRECT, new GroupBuckets(Collections.singletonList(l3vpnGrpBkt)), l3vpnGroupKey, l3vpnGroupId, nextObj.appId());
            GroupChainElem l3vpnGce = new GroupChainElem(l3vpnGroupDesc, 1, false, deviceId);
            updatePendingGroups(onelabelGroupInfo.nextGroupDesc().appCookie(), l3vpnGce);
            gKeyChain.addFirst(onelabelGroupInfo.innerMostGroupDesc().appCookie());
            gKeyChain.addFirst(onelabelGroupInfo.nextGroupDesc().appCookie());
            gKeyChain.addFirst(l3vpnGroupKey);
            // now we can replace the outerGrpDesc with the one we just created
            onelabelGroupInfo.nextGroupDesc(l3vpnGroupDesc);
            // we can't send the innermost group yet, as we have to create
            // the dependent ECMP group first. So we store ...
            unsentGroups.add(onelabelGroupInfo);
            log.debug("Trying L3VPN: device:{} gid:{} group key:{} nextId:{}", deviceId, Integer.toHexString(l3vpnGroupId), l3vpnGroupKey, nextObj.id());
        } else {
            log.warn("Driver currently does not handle more than 1 MPLS " + "labels. Not processing nextObjective {}", nextObj.id());
            return;
        }
        // all groups in this chain
        allGroupKeys.add(gKeyChain);
    }
}

Example 9 with GroupDescription

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

the class Ofdpa2GroupHandler method addBucketToL2HashGroup.

private void addBucketToL2HashGroup(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;
    // Prepare the l2 unfiltered groups
    createL2HashBuckets(nextObjective, allGroupKeys, unsentGroups);
    // now we can create the buckets to add to the outermost L2 hash group
    newBuckets = generateNextGroupBuckets(unsentGroups, SELECT);
    // retrieve the original l2 load balance group
    Group l2hashGroup = retrieveTopLevelGroup(allActiveKeys, deviceId, groupService, nextObjective.id());
    if (l2hashGroup == null) {
        fail(nextObjective, ObjectiveError.GROUPMISSING);
        return;
    }
    GroupKey l2hashGroupKey = l2hashGroup.appCookie();
    int l2hashGroupId = l2hashGroup.id().id();
    GroupDescription l2hashGroupDesc = new DefaultGroupDescription(deviceId, SELECT, new GroupBuckets(newBuckets), l2hashGroupKey, l2hashGroupId, nextObjective.appId());
    GroupChainElem l2hashGce = new GroupChainElem(l2hashGroupDesc, unsentGroups.size(), true, deviceId);
    // update new bucket-chains
    List<Deque<GroupKey>> addedKeys = new ArrayList<>();
    for (Deque<GroupKey> newBucketChain : allGroupKeys) {
        newBucketChain.addFirst(l2hashGroupKey);
        addedKeys.add(newBucketChain);
    }
    updatePendingNextObjective(l2hashGroupKey, new OfdpaNextGroup(addedKeys, nextObjective));
    log.debug("Adding to L2HASH: device:{} gid:{} group key:{} nextId:{}", deviceId, Integer.toHexString(l2hashGroupId), l2hashGroupKey, 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(), l2hashGce);
        groupService.addGroup(groupInfo.innerMostGroupDesc());
    });
}

Example 10 with GroupDescription

use of org.onosproject.net.group.GroupDescription 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();
}