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

Example 6 with Group

use of org.onosproject.net.group.Group 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 7 with Group

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

the class Ofdpa2Pipeline method processEthDstSpecific.

/**
 * Handles forwarding rules to the L2 bridging table. Flow actions are not
 * allowed in the bridging table - instead we use L2 Interface group or
 * L2 flood group
 *
 * @param fwd the forwarding objective
 * @return A collection of flow rules, or an empty set
 */
protected Collection<FlowRule> processEthDstSpecific(ForwardingObjective fwd) {
    List<FlowRule> rules = new ArrayList<>();
    // Build filtered selector
    TrafficSelector selector = fwd.selector();
    EthCriterion ethCriterion = (EthCriterion) selector.getCriterion(Criterion.Type.ETH_DST);
    VlanIdCriterion vlanIdCriterion = (VlanIdCriterion) selector.getCriterion(Criterion.Type.VLAN_VID);
    if (vlanIdCriterion == null) {
        log.warn("Forwarding objective for bridging requires vlan. Not " + "installing fwd:{} in dev:{}", fwd.id(), deviceId);
        fail(fwd, ObjectiveError.BADPARAMS);
        return Collections.emptySet();
    }
    TrafficSelector.Builder filteredSelectorBuilder = DefaultTrafficSelector.builder();
    if (!ethCriterion.mac().equals(NONE) && !ethCriterion.mac().equals(BROADCAST)) {
        filteredSelectorBuilder.matchEthDst(ethCriterion.mac());
        log.debug("processing L2 forwarding objective:{} -> next:{} in dev:{}", fwd.id(), fwd.nextId(), deviceId);
    } else {
        // Use wildcard DST_MAC if the MacAddress is None or Broadcast
        log.debug("processing L2 Broadcast forwarding objective:{} -> next:{} " + "in dev:{} for vlan:{}", fwd.id(), fwd.nextId(), deviceId, vlanIdCriterion.vlanId());
    }
    if (requireVlanExtensions()) {
        OfdpaMatchVlanVid ofdpaMatchVlanVid = new OfdpaMatchVlanVid(vlanIdCriterion.vlanId());
        filteredSelectorBuilder.extension(ofdpaMatchVlanVid, deviceId);
    } else {
        filteredSelectorBuilder.matchVlanId(vlanIdCriterion.vlanId());
    }
    TrafficSelector filteredSelector = filteredSelectorBuilder.build();
    if (fwd.treatment() != null) {
        log.warn("Ignoring traffic treatment in fwd rule {} meant for L2 table" + "for dev:{}. Expecting only nextId", fwd.id(), deviceId);
    }
    TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder();
    if (fwd.nextId() != null) {
        NextGroup next = getGroupForNextObjective(fwd.nextId());
        if (next != null) {
            List<Deque<GroupKey>> gkeys = appKryo.deserialize(next.data());
            // we only need the top level group's key to point the flow to it
            Group group = groupService.getGroup(deviceId, gkeys.get(0).peekFirst());
            if (group != null) {
                treatmentBuilder.deferred().group(group.id());
            } else {
                log.warn("Group with key:{} for next-id:{} not found in dev:{}", gkeys.get(0).peekFirst(), fwd.nextId(), deviceId);
                fail(fwd, ObjectiveError.GROUPMISSING);
                return Collections.emptySet();
            }
        }
    }
    treatmentBuilder.immediate().transition(ACL_TABLE);
    TrafficTreatment filteredTreatment = treatmentBuilder.build();
    // Build bridging table entries
    FlowRule.Builder flowRuleBuilder = DefaultFlowRule.builder();
    flowRuleBuilder.fromApp(fwd.appId()).withPriority(fwd.priority()).forDevice(deviceId).withSelector(filteredSelector).withTreatment(filteredTreatment).forTable(BRIDGING_TABLE);
    if (fwd.permanent()) {
        flowRuleBuilder.makePermanent();
    } else {
        flowRuleBuilder.makeTemporary(fwd.timeout());
    }
    rules.add(flowRuleBuilder.build());
    return rules;
}

Example 8 with Group

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

the class Ofdpa2Pipeline method versatileTreatmentBuilder.

/**
 * Helper function to create traffic treatment builder for versatile forwarding objectives.
 *
 * @param fwd original forwarding objective
 * @return treatment builder for the flow rule, or null if there is an error.
 */
protected TrafficTreatment.Builder versatileTreatmentBuilder(ForwardingObjective fwd) {
    // XXX driver does not currently do type checking as per Tables 65-67 in
    // OFDPA 2.0 spec. The only allowed treatment is a punt to the controller.
    TrafficTreatment.Builder ttBuilder = DefaultTrafficTreatment.builder();
    if (fwd.treatment() != null) {
        for (Instruction ins : fwd.treatment().allInstructions()) {
            if (ins instanceof OutputInstruction) {
                OutputInstruction o = (OutputInstruction) ins;
                if (PortNumber.CONTROLLER.equals(o.port())) {
                    ttBuilder.add(o);
                } else {
                    log.warn("Only allowed treatments in versatile forwarding " + "objectives are punts to the controller");
                }
            } else if (ins instanceof NoActionInstruction) {
            // No action is allowed and nothing needs to be done
            } else {
                log.warn("Cannot process instruction in versatile fwd {}", ins);
            }
        }
        if (fwd.treatment().clearedDeferred()) {
            ttBuilder.wipeDeferred();
        }
    }
    if (fwd.nextId() != null) {
        // Override case
        NextGroup next = getGroupForNextObjective(fwd.nextId());
        if (next == null) {
            fail(fwd, ObjectiveError.BADPARAMS);
            return null;
        }
        List<Deque<GroupKey>> gkeys = appKryo.deserialize(next.data());
        // we only need the top level group's key to point the flow to it
        Group group = groupService.getGroup(deviceId, gkeys.get(0).peekFirst());
        if (group == null) {
            log.warn("Group with key:{} for next-id:{} not found in dev:{}", gkeys.get(0).peekFirst(), fwd.nextId(), deviceId);
            fail(fwd, ObjectiveError.GROUPMISSING);
            return null;
        }
        ttBuilder.deferred().group(group.id());
    }
    return ttBuilder;
}

Example 9 with Group

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

the class Ofdpa2Pipeline method processEthTypeSpecificInternal.

/**
 * Internal implementation of processEthTypeSpecific.
 * <p>
 * Wildcarded IPv4_DST is not supported in OFDPA i12. Therefore, we break
 * the rule into 0.0.0.0/1 and 128.0.0.0/1.
 * The allowDefaultRoute must be set to false for OFDPA i12.
 * </p>
 *
 * @param fwd the forwarding objective
 * @param allowDefaultRoute allow wildcarded IPv4_DST or not
 * @param mplsNextTable next MPLS table
 * @return A collection of flow rules, or an empty set
 */
protected Collection<FlowRule> processEthTypeSpecificInternal(ForwardingObjective fwd, boolean allowDefaultRoute, int mplsNextTable) {
    TrafficSelector selector = fwd.selector();
    EthTypeCriterion ethType = (EthTypeCriterion) selector.getCriterion(Criterion.Type.ETH_TYPE);
    boolean emptyGroup = false;
    int forTableId;
    TrafficSelector.Builder filteredSelector = DefaultTrafficSelector.builder();
    TrafficTreatment.Builder tb = DefaultTrafficTreatment.builder();
    TrafficSelector.Builder complementarySelector = DefaultTrafficSelector.builder();
    if (ethType.ethType().toShort() == Ethernet.TYPE_IPV4) {
        if (buildIpv4Selector(filteredSelector, complementarySelector, fwd, allowDefaultRoute) < 0) {
            return Collections.emptyList();
        }
        // We need to set properly the next table
        IpPrefix ipv4Dst = ((IPCriterion) selector.getCriterion(Criterion.Type.IPV4_DST)).ip();
        if (ipv4Dst.isMulticast()) {
            forTableId = MULTICAST_ROUTING_TABLE;
        } else {
            forTableId = UNICAST_ROUTING_TABLE;
        }
    // TODO decrementing IP ttl is done automatically for routing, this
    // action is ignored or rejected in ofdpa as it is not fully implemented
    // if (fwd.treatment() != null) {
    // for (Instruction instr : fwd.treatment().allInstructions()) {
    // if (instr instanceof L3ModificationInstruction &&
    // ((L3ModificationInstruction) instr).subtype() == L3SubType.DEC_TTL) {
    // tb.deferred().add(instr);
    // }
    // }
    // }
    } else if (ethType.ethType().toShort() == Ethernet.TYPE_IPV6) {
        if (buildIpv6Selector(filteredSelector, fwd) < 0) {
            return Collections.emptyList();
        }
        // We need to set the proper next table
        IpPrefix ipv6Dst = ((IPCriterion) selector.getCriterion(Criterion.Type.IPV6_DST)).ip();
        if (ipv6Dst.isMulticast()) {
            forTableId = MULTICAST_ROUTING_TABLE;
        } else {
            forTableId = UNICAST_ROUTING_TABLE;
        }
    // TODO decrementing IP ttl is done automatically for routing, this
    // action is ignored or rejected in ofdpa as it is not fully implemented
    // if (fwd.treatment() != null) {
    // for (Instruction instr : fwd.treatment().allInstructions()) {
    // if (instr instanceof L3ModificationInstruction &&
    // ((L3ModificationInstruction) instr).subtype() == L3SubType.DEC_TTL) {
    // tb.deferred().add(instr);
    // }
    // }
    // }
    } else {
        filteredSelector.matchEthType(Ethernet.MPLS_UNICAST).matchMplsLabel(((MplsCriterion) selector.getCriterion(Criterion.Type.MPLS_LABEL)).label());
        MplsBosCriterion bos = (MplsBosCriterion) selector.getCriterion(MPLS_BOS);
        if (bos != null && requireMplsBosMatch()) {
            filteredSelector.matchMplsBos(bos.mplsBos());
        }
        forTableId = MPLS_TABLE_1;
        log.debug("processing MPLS specific forwarding objective {} -> next:{}" + " in dev {}", fwd.id(), fwd.nextId(), deviceId);
        if (fwd.treatment() != null) {
            for (Instruction instr : fwd.treatment().allInstructions()) {
                if (instr instanceof L2ModificationInstruction && ((L2ModificationInstruction) instr).subtype() == L2SubType.MPLS_POP) {
                    // setting the MPLS_TYPE so pop can happen down the pipeline
                    if (requireMplsPop()) {
                        if (mplsNextTable == MPLS_TYPE_TABLE && isNotMplsBos(selector)) {
                            tb.immediate().popMpls();
                        }
                    } else {
                        // Skip mpls pop action for mpls_unicast label
                        if (instr instanceof ModMplsHeaderInstruction && !((ModMplsHeaderInstruction) instr).ethernetType().equals(EtherType.MPLS_UNICAST.ethType())) {
                            tb.immediate().add(instr);
                        }
                    }
                }
                if (requireMplsTtlModification()) {
                    if (instr instanceof L3ModificationInstruction && ((L3ModificationInstruction) instr).subtype() == L3SubType.DEC_TTL) {
                        // FIXME Should modify the app to send the correct DEC_MPLS_TTL instruction
                        tb.immediate().decMplsTtl();
                    }
                    if (instr instanceof L3ModificationInstruction && ((L3ModificationInstruction) instr).subtype() == L3SubType.TTL_IN) {
                        tb.immediate().add(instr);
                    }
                }
            }
        }
    }
    if (fwd.nextId() != null) {
        NextGroup next = getGroupForNextObjective(fwd.nextId());
        if (next != null) {
            List<Deque<GroupKey>> gkeys = appKryo.deserialize(next.data());
            // we only need the top level group's key to point the flow to it
            Group group = groupService.getGroup(deviceId, gkeys.get(0).peekFirst());
            if (group == null) {
                log.warn("Group with key:{} for next-id:{} not found in dev:{}", gkeys.get(0).peekFirst(), fwd.nextId(), deviceId);
                fail(fwd, ObjectiveError.GROUPMISSING);
                return Collections.emptySet();
            }
            if (isNotMplsBos(selector) && group.type().equals(SELECT)) {
                log.warn("SR CONTINUE case cannot be handled as MPLS ECMP " + "is not implemented in OF-DPA yet. Aborting flow {} -> next:{} " + "in this device {}", fwd.id(), fwd.nextId(), deviceId);
                fail(fwd, ObjectiveError.FLOWINSTALLATIONFAILED);
                return Collections.emptySet();
            }
            tb.deferred().group(group.id());
            // retrying flows may be necessary due to bug CORD-554
            if (gkeys.size() == 1 && gkeys.get(0).size() == 1) {
                if (shouldRetry()) {
                    log.warn("Found empty group 0x{} in dev:{} .. will retry fwd:{}", Integer.toHexString(group.id().id()), deviceId, fwd.id());
                    emptyGroup = true;
                }
            }
        } else {
            log.warn("Cannot find group for nextId:{} in dev:{}. Aborting fwd:{}", fwd.nextId(), deviceId, fwd.id());
            fail(fwd, ObjectiveError.FLOWINSTALLATIONFAILED);
            return Collections.emptySet();
        }
    }
    if (forTableId == MPLS_TABLE_1) {
        if (mplsNextTable == MPLS_L3_TYPE_TABLE) {
            Ofdpa3SetMplsType setMplsType = new Ofdpa3SetMplsType(Ofdpa3MplsType.L3_PHP);
            // set mpls type as apply_action
            tb.immediate().extension(setMplsType, deviceId);
        }
        tb.transition(mplsNextTable);
    } else {
        tb.transition(ACL_TABLE);
    }
    if (fwd.treatment() != null && fwd.treatment().clearedDeferred()) {
        if (supportsUnicastBlackHole()) {
            tb.wipeDeferred();
        } else {
            log.warn("Clear Deferred is not supported Unicast Routing Table on device {}", deviceId);
            return Collections.emptySet();
        }
    }
    FlowRule.Builder ruleBuilder = DefaultFlowRule.builder().fromApp(fwd.appId()).withPriority(fwd.priority()).forDevice(deviceId).withSelector(filteredSelector.build()).withTreatment(tb.build()).forTable(forTableId);
    if (fwd.permanent()) {
        ruleBuilder.makePermanent();
    } else {
        ruleBuilder.makeTemporary(fwd.timeout());
    }
    Collection<FlowRule> flowRuleCollection = new ArrayList<>();
    flowRuleCollection.add(ruleBuilder.build());
    if (!allowDefaultRoute) {
        flowRuleCollection.add(defaultRoute(fwd, complementarySelector, forTableId, tb));
        log.debug("Default rule 0.0.0.0/0 is being installed two rules");
    }
    if (emptyGroup) {
        retryExecutorService.schedule(new RetryFlows(fwd, flowRuleCollection), RETRY_MS, TimeUnit.MILLISECONDS);
    }
    return flowRuleCollection;
}

Example 10 with Group

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

the class Ofdpa3Pipeline method processInitPwVersatile.

/**
 * Helper method to process the pw forwarding objectives.
 *
 * @param forwardingObjective the fw objective to process
 * @return a singleton list of flow rule
 */
private Collection<FlowRule> processInitPwVersatile(ForwardingObjective forwardingObjective) {
    // We retrieve the matching criteria for mpls l2 port.
    TunnelIdCriterion tunnelIdCriterion = (TunnelIdCriterion) forwardingObjective.selector().getCriterion(TUNNEL_ID);
    PortCriterion portCriterion = (PortCriterion) forwardingObjective.selector().getCriterion(IN_PORT);
    TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
    TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder();
    int mplsLogicalPort;
    long tunnelId;
    // Mpls tunnel ids according to the OFDPA manual have to be
    // in the range [2^17-1, 2^16].
    tunnelId = MPLS_TUNNEL_ID_BASE | tunnelIdCriterion.tunnelId();
    if (tunnelId > MPLS_TUNNEL_ID_MAX) {
        log.error("Pw Versatile Forwarding Objective must include tunnel id < {}", MPLS_TUNNEL_ID_MAX);
        fail(forwardingObjective, ObjectiveError.BADPARAMS);
        return Collections.emptySet();
    }
    // Port has not been null.
    if (portCriterion == null) {
        log.error("Pw Versatile Forwarding Objective must include port");
        fail(forwardingObjective, ObjectiveError.BADPARAMS);
        return Collections.emptySet();
    }
    // 0x0000XXXX is UNI interface.
    if (portCriterion.port().toLong() > MPLS_UNI_PORT_MAX) {
        log.error("Pw Versatile Forwarding Objective invalid logical port {}", portCriterion.port().toLong());
        fail(forwardingObjective, ObjectiveError.BADPARAMS);
        return Collections.emptySet();
    }
    mplsLogicalPort = ((int) portCriterion.port().toLong());
    if (forwardingObjective.nextId() == null) {
        log.error("Pw Versatile Forwarding Objective must contain nextId ", forwardingObjective.nextId());
        fail(forwardingObjective, ObjectiveError.BADPARAMS);
        return Collections.emptySet();
    }
    // We don't expect a treatment.
    if (forwardingObjective.treatment() != null && !forwardingObjective.treatment().equals(DefaultTrafficTreatment.emptyTreatment())) {
        log.error("Pw Versatile Forwarding Objective cannot contain a treatment ", forwardingObjective.nextId());
        fail(forwardingObjective, ObjectiveError.BADPARAMS);
        return Collections.emptySet();
    }
    // We retrieve the l2 vpn group and point the mpls
    // l2 port to this.
    NextGroup next = getGroupForNextObjective(forwardingObjective.nextId());
    if (next == null) {
        log.warn("next-id:{} not found in dev:{}", forwardingObjective.nextId(), deviceId);
        fail(forwardingObjective, ObjectiveError.GROUPMISSING);
        return Collections.emptySet();
    }
    List<Deque<GroupKey>> gkeys = appKryo.deserialize(next.data());
    Group group = groupService.getGroup(deviceId, gkeys.get(0).peekFirst());
    if (group == null) {
        log.warn("Group with key:{} for next-id:{} not found in dev:{}", gkeys.get(0).peekFirst(), forwardingObjective.nextId(), deviceId);
        fail(forwardingObjective, ObjectiveError.GROUPMISSING);
        return Collections.emptySet();
    }
    // We prepare the flow rule for the mpls l2 port table.
    selector.matchTunnelId(tunnelId);
    selector.extension(new Ofdpa3MatchMplsL2Port(mplsLogicalPort), deviceId);
    // This should not be necessary but without we receive an error
    treatment.extension(new Ofdpa3SetQosIndex(0), deviceId);
    treatment.transition(MPLS_L2_PORT_PCP_TRUST_FLOW_TABLE);
    treatment.deferred().group(group.id());
    FlowRule.Builder ruleBuilder = DefaultFlowRule.builder().fromApp(forwardingObjective.appId()).withPriority(MPLS_L2_PORT_PRIORITY).forDevice(deviceId).withSelector(selector.build()).withTreatment(treatment.build()).makePermanent().forTable(MPLS_L2_PORT_FLOW_TABLE);
    return Collections.singletonList(ruleBuilder.build());
}