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Example 61 with FlowRule

use of org.onosproject.net.flow.FlowRule 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;
}
Also used : NextGroup(org.onosproject.net.behaviour.NextGroup) NextGroup(org.onosproject.net.behaviour.NextGroup) Group(org.onosproject.net.group.Group) IPCriterion(org.onosproject.net.flow.criteria.IPCriterion) ArrayList(java.util.ArrayList) L2ModificationInstruction(org.onosproject.net.flow.instructions.L2ModificationInstruction) L2ModificationInstruction(org.onosproject.net.flow.instructions.L2ModificationInstruction) L3ModificationInstruction(org.onosproject.net.flow.instructions.L3ModificationInstruction) Instruction(org.onosproject.net.flow.instructions.Instruction) NoActionInstruction(org.onosproject.net.flow.instructions.Instructions.NoActionInstruction) OutputInstruction(org.onosproject.net.flow.instructions.Instructions.OutputInstruction) ModMplsHeaderInstruction(org.onosproject.net.flow.instructions.L2ModificationInstruction.ModMplsHeaderInstruction) ModMplsHeaderInstruction(org.onosproject.net.flow.instructions.L2ModificationInstruction.ModMplsHeaderInstruction) IpPrefix(org.onlab.packet.IpPrefix) TrafficSelector(org.onosproject.net.flow.TrafficSelector) DefaultTrafficSelector(org.onosproject.net.flow.DefaultTrafficSelector) MplsCriterion(org.onosproject.net.flow.criteria.MplsCriterion) L3ModificationInstruction(org.onosproject.net.flow.instructions.L3ModificationInstruction) EthTypeCriterion(org.onosproject.net.flow.criteria.EthTypeCriterion) DefaultTrafficTreatment(org.onosproject.net.flow.DefaultTrafficTreatment) TrafficTreatment(org.onosproject.net.flow.TrafficTreatment) ArrayDeque(java.util.ArrayDeque) Deque(java.util.Deque) MplsBosCriterion(org.onosproject.net.flow.criteria.MplsBosCriterion) DefaultFlowRule(org.onosproject.net.flow.DefaultFlowRule) FlowRule(org.onosproject.net.flow.FlowRule) Ofdpa3SetMplsType(org.onosproject.driver.extensions.Ofdpa3SetMplsType)

Example 62 with FlowRule

use of org.onosproject.net.flow.FlowRule 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());
}
Also used : NextGroup(org.onosproject.net.behaviour.NextGroup) NextGroup(org.onosproject.net.behaviour.NextGroup) Group(org.onosproject.net.group.Group) TunnelIdCriterion(org.onosproject.net.flow.criteria.TunnelIdCriterion) Ofdpa3MatchMplsL2Port(org.onosproject.driver.extensions.Ofdpa3MatchMplsL2Port) PortCriterion(org.onosproject.net.flow.criteria.PortCriterion) DefaultTrafficTreatment(org.onosproject.net.flow.DefaultTrafficTreatment) TrafficTreatment(org.onosproject.net.flow.TrafficTreatment) Deque(java.util.Deque) Ofdpa3SetQosIndex(org.onosproject.driver.extensions.Ofdpa3SetQosIndex) TrafficSelector(org.onosproject.net.flow.TrafficSelector) DefaultTrafficSelector(org.onosproject.net.flow.DefaultTrafficSelector) DefaultFlowRule(org.onosproject.net.flow.DefaultFlowRule) FlowRule(org.onosproject.net.flow.FlowRule)

Example 63 with FlowRule

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

the class Ofdpa3Pipeline method processFilter.

@Override
protected void processFilter(FilteringObjective filteringObjective, boolean install, ApplicationId applicationId) {
    // Check if filter is intended for pseudowire
    boolean isPw = isPseudowire(filteringObjective);
    if (isPw) {
        FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
        PortCriterion portCriterion;
        VlanIdCriterion innerVlanIdCriterion = null;
        for (Criterion criterion : filteringObjective.conditions()) {
            if (criterion.type() == INNER_VLAN_VID) {
                innerVlanIdCriterion = (VlanIdCriterion) criterion;
                break;
            }
        }
        VlanIdCriterion outerVlanIdCriterion = null;
        // We extract the expected port criterion in the key.
        portCriterion = (PortCriterion) filteringObjective.key();
        // We extract the outer vlan id criterion.
        for (Criterion criterion : filteringObjective.conditions()) {
            if (criterion.type() == VLAN_VID) {
                outerVlanIdCriterion = (VlanIdCriterion) criterion;
                break;
            }
        }
        // We extract the tunnel id.
        long tunnelId;
        VlanId egressVlan;
        if (filteringObjective.meta() != null && filteringObjective.meta().allInstructions().size() != 2) {
            log.warn("Bad filtering objective from app: {}. Not" + "processing filtering objective", applicationId);
            fail(filteringObjective, ObjectiveError.BADPARAMS);
            return;
        } else if (filteringObjective.meta() != null && filteringObjective.meta().allInstructions().size() == 2 && filteringObjective.meta().allInstructions().get(0).type() == L2MODIFICATION && filteringObjective.meta().allInstructions().get(1).type() == L2MODIFICATION) {
            L2ModificationInstruction l2instruction = (L2ModificationInstruction) filteringObjective.meta().allInstructions().get(0);
            if (l2instruction.subtype() != L2SubType.TUNNEL_ID) {
                log.warn("Bad filtering objective from app: {}. Not" + "processing filtering objective", applicationId);
                fail(filteringObjective, ObjectiveError.BADPARAMS);
                return;
            } else {
                tunnelId = ((ModTunnelIdInstruction) l2instruction).tunnelId();
            }
            L2ModificationInstruction vlanInstruction = (L2ModificationInstruction) filteringObjective.meta().allInstructions().get(1);
            if (vlanInstruction.subtype() != L2SubType.VLAN_ID) {
                log.warn("Bad filtering objective from app: {}. Not" + "processing filtering objective", applicationId);
                fail(filteringObjective, ObjectiveError.BADPARAMS);
                return;
            } else {
                egressVlan = ((L2ModificationInstruction.ModVlanIdInstruction) vlanInstruction).vlanId();
            }
        } else {
            log.warn("Bad filtering objective from app: {}. Not" + "processing filtering objective", applicationId);
            fail(filteringObjective, ObjectiveError.BADPARAMS);
            return;
        }
        // Mpls tunnel ids according to the OFDPA manual have to be
        // in the range [2^17-1, 2^16].
        tunnelId = MPLS_TUNNEL_ID_BASE | tunnelId;
        // Sanity check for the filtering objective.
        if (portCriterion == null || outerVlanIdCriterion == null || tunnelId > MPLS_TUNNEL_ID_MAX) {
            log.warn("Bad filtering objective from app: {}. Not" + "processing filtering objective", applicationId);
            fail(filteringObjective, ObjectiveError.BADPARAMS);
            return;
        }
        // 0x0000XXXX is UNI interface.
        if (portCriterion.port().toLong() > MPLS_UNI_PORT_MAX) {
            log.error("Filtering Objective invalid logical port {}", portCriterion.port().toLong());
            fail(filteringObjective, ObjectiveError.BADPARAMS);
            return;
        }
        // We create the flows.
        List<FlowRule> pwRules = processPwFilter(portCriterion, innerVlanIdCriterion, outerVlanIdCriterion, tunnelId, applicationId, egressVlan);
        // We tag the flow for adding or for removing.
        for (FlowRule pwRule : pwRules) {
            log.debug("adding filtering rule in VLAN tables: {} for dev: {}", pwRule, deviceId);
            ops = install ? ops.add(pwRule) : ops.remove(pwRule);
        }
        // We push the filtering rules for the pw.
        flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {

            @Override
            public void onSuccess(FlowRuleOperations ops) {
                log.info("Applied {} filtering rules in device {}", ops.stages().get(0).size(), deviceId);
                pass(filteringObjective);
            }

            @Override
            public void onError(FlowRuleOperations ops) {
                log.info("Failed to apply all filtering rules in dev {}", deviceId);
                fail(filteringObjective, ObjectiveError.FLOWINSTALLATIONFAILED);
            }
        }));
    } else if (isDoubleTagged(filteringObjective)) {
        processDoubleTaggedFilter(filteringObjective, install, applicationId);
    } else {
        // If it is not a pseudo wire flow or double-tagged filter, we fall back
        // to the OFDPA 2.0 pipeline.
        super.processFilter(filteringObjective, install, applicationId);
    }
}
Also used : ModTunnelIdInstruction(org.onosproject.net.flow.instructions.L2ModificationInstruction.ModTunnelIdInstruction) FlowRuleOperations(org.onosproject.net.flow.FlowRuleOperations) L2ModificationInstruction(org.onosproject.net.flow.instructions.L2ModificationInstruction) PortCriterion(org.onosproject.net.flow.criteria.PortCriterion) PortCriterion(org.onosproject.net.flow.criteria.PortCriterion) TunnelIdCriterion(org.onosproject.net.flow.criteria.TunnelIdCriterion) EthCriterion(org.onosproject.net.flow.criteria.EthCriterion) Criterion(org.onosproject.net.flow.criteria.Criterion) VlanIdCriterion(org.onosproject.net.flow.criteria.VlanIdCriterion) DefaultFlowRule(org.onosproject.net.flow.DefaultFlowRule) FlowRule(org.onosproject.net.flow.FlowRule) VlanId(org.onlab.packet.VlanId) FlowRuleOperationsContext(org.onosproject.net.flow.FlowRuleOperationsContext) VlanIdCriterion(org.onosproject.net.flow.criteria.VlanIdCriterion)

Example 64 with FlowRule

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

the class OvsOfdpaPipeline method processEthTypeSpecific.

/*
     * Open vSwitch emulation allows MPLS ECMP.
     *
     * (non-Javadoc)
     * @see org.onosproject.driver.pipeline.OFDPA2Pipeline#processEthTypeSpecific
     */
@Override
protected Collection<FlowRule> processEthTypeSpecific(ForwardingObjective fwd) {
    if (isDoubleTagged(fwd)) {
        return processDoubleTaggedFwd(fwd);
    }
    TrafficSelector selector = fwd.selector();
    EthTypeCriterion ethType = (EthTypeCriterion) selector.getCriterion(Criterion.Type.ETH_TYPE);
    if ((ethType == null) || (ethType.ethType().toShort() != Ethernet.TYPE_IPV4) && (ethType.ethType().toShort() != Ethernet.MPLS_UNICAST) && (ethType.ethType().toShort() != Ethernet.TYPE_IPV6)) {
        log.warn("processSpecific: Unsupported forwarding objective criteria" + "ethType:{} in dev:{}", ethType, deviceId);
        fail(fwd, ObjectiveError.UNSUPPORTED);
        return Collections.emptySet();
    }
    boolean defaultRule = false;
    int forTableId;
    TrafficSelector.Builder filteredSelector = DefaultTrafficSelector.builder();
    TrafficSelector.Builder complementarySelector = DefaultTrafficSelector.builder();
    if (ethType.ethType().toShort() == Ethernet.TYPE_IPV4) {
        IpPrefix ipv4Dst = ((IPCriterion) selector.getCriterion(Criterion.Type.IPV4_DST)).ip();
        if (ipv4Dst.isMulticast()) {
            if (ipv4Dst.prefixLength() != 32) {
                log.warn("Multicast specific forwarding objective can only be /32");
                fail(fwd, ObjectiveError.BADPARAMS);
                return ImmutableSet.of();
            }
            VlanId assignedVlan = readVlanFromSelector(fwd.meta());
            if (assignedVlan == null) {
                log.warn("VLAN ID required by multicast specific fwd obj is missing. Abort.");
                fail(fwd, ObjectiveError.BADPARAMS);
                return ImmutableSet.of();
            }
            filteredSelector.matchVlanId(assignedVlan);
            filteredSelector.matchEthType(Ethernet.TYPE_IPV4).matchIPDst(ipv4Dst);
            forTableId = MULTICAST_ROUTING_TABLE;
            log.debug("processing IPv4 multicast specific forwarding objective {} -> next:{}" + " in dev:{}", fwd.id(), fwd.nextId(), deviceId);
        } else {
            if (ipv4Dst.prefixLength() == 0) {
                // The entire IPV4_DST field is wildcarded intentionally
                filteredSelector.matchEthType(Ethernet.TYPE_IPV4);
            } else {
                filteredSelector.matchEthType(Ethernet.TYPE_IPV4).matchIPDst(ipv4Dst);
            }
            forTableId = UNICAST_ROUTING_TABLE;
            log.debug("processing IPv4 unicast specific forwarding objective {} -> next:{}" + " in dev:{}", fwd.id(), fwd.nextId(), deviceId);
        }
    } else if (ethType.ethType().toShort() == Ethernet.TYPE_IPV6) {
        IpPrefix ipv6Dst = ((IPCriterion) selector.getCriterion(Criterion.Type.IPV6_DST)).ip();
        if (ipv6Dst.isMulticast()) {
            if (ipv6Dst.prefixLength() != IpAddress.INET6_BIT_LENGTH) {
                log.debug("Multicast specific IPv6 forwarding objective can only be /128");
                fail(fwd, ObjectiveError.BADPARAMS);
                return ImmutableSet.of();
            }
            VlanId assignedVlan = readVlanFromSelector(fwd.meta());
            if (assignedVlan == null) {
                log.debug("VLAN ID required by multicast specific fwd obj is missing. Abort.");
                fail(fwd, ObjectiveError.BADPARAMS);
                return ImmutableSet.of();
            }
            filteredSelector.matchVlanId(assignedVlan);
            filteredSelector.matchEthType(Ethernet.TYPE_IPV6).matchIPv6Dst(ipv6Dst);
            forTableId = MULTICAST_ROUTING_TABLE;
            log.debug("processing IPv6 multicast specific forwarding objective {} -> next:{}" + " in dev:{}", fwd.id(), fwd.nextId(), deviceId);
        } else {
            if (buildIpv6Selector(filteredSelector, fwd) < 0) {
                return Collections.emptyList();
            }
            forTableId = UNICAST_ROUTING_TABLE;
        }
    } else {
        filteredSelector.matchEthType(Ethernet.MPLS_UNICAST).matchMplsLabel(((MplsCriterion) selector.getCriterion(Criterion.Type.MPLS_LABEL)).label());
        MplsBosCriterion bos = (MplsBosCriterion) selector.getCriterion(Criterion.Type.MPLS_BOS);
        if (bos != null) {
            filteredSelector.matchMplsBos(bos.mplsBos());
        }
        forTableId = MPLS_TABLE_1;
        log.debug("processing MPLS specific forwarding objective {} -> next:{}" + " in dev {}", fwd.id(), fwd.nextId(), deviceId);
    }
    TrafficTreatment.Builder tb = DefaultTrafficTreatment.builder();
    if (fwd.treatment() != null) {
        for (Instruction i : fwd.treatment().allInstructions()) {
            if (i instanceof L3ModificationInstruction) {
                L3ModificationInstruction l3instr = (L3ModificationInstruction) i;
                if (l3instr.subtype().equals(L3ModificationInstruction.L3SubType.TTL_IN) || l3instr.subtype().equals(L3ModificationInstruction.L3SubType.TTL_OUT)) {
                    continue;
                }
            }
            /*
                 * NOTE: OF-DPA does not support immediate instruction in
                 * L3 unicast and MPLS table.
                 */
            tb.deferred().add(i);
        }
    }
    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();
            }
            tb.deferred().group(group.id());
        }
    }
    tb.transition(ACL_TABLE);
    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 (defaultRule) {
        flowRuleCollection.add(defaultRoute(fwd, complementarySelector, forTableId, tb));
        log.debug("Default rule 0.0.0.0/0 is being installed two rules");
    }
    return flowRuleCollection;
}
Also used : NextGroup(org.onosproject.net.behaviour.NextGroup) NextGroup(org.onosproject.net.behaviour.NextGroup) Group(org.onosproject.net.group.Group) L3ModificationInstruction(org.onosproject.net.flow.instructions.L3ModificationInstruction) IPCriterion(org.onosproject.net.flow.criteria.IPCriterion) EthTypeCriterion(org.onosproject.net.flow.criteria.EthTypeCriterion) ArrayList(java.util.ArrayList) DefaultTrafficTreatment(org.onosproject.net.flow.DefaultTrafficTreatment) TrafficTreatment(org.onosproject.net.flow.TrafficTreatment) L2ModificationInstruction(org.onosproject.net.flow.instructions.L2ModificationInstruction) OutputInstruction(org.onosproject.net.flow.instructions.Instructions.OutputInstruction) L3ModificationInstruction(org.onosproject.net.flow.instructions.L3ModificationInstruction) Instruction(org.onosproject.net.flow.instructions.Instruction) NoActionInstruction(org.onosproject.net.flow.instructions.Instructions.NoActionInstruction) Deque(java.util.Deque) ConnectPoint(org.onosproject.net.ConnectPoint) IpPrefix(org.onlab.packet.IpPrefix) MplsBosCriterion(org.onosproject.net.flow.criteria.MplsBosCriterion) TrafficSelector(org.onosproject.net.flow.TrafficSelector) DefaultTrafficSelector(org.onosproject.net.flow.DefaultTrafficSelector) MplsCriterion(org.onosproject.net.flow.criteria.MplsCriterion) DefaultFlowRule(org.onosproject.net.flow.DefaultFlowRule) FlowRule(org.onosproject.net.flow.FlowRule) VlanId(org.onlab.packet.VlanId)

Example 65 with FlowRule

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

the class FabricPipeliner method getBucketToFlowMapping.

private Map<GroupBucket, FlowRule> getBucketToFlowMapping(NextObjective nextObjective) {
    Map<GroupBucket, FlowRule> mapping = Maps.newHashMap();
    NextObjective newNextObjective;
    ObjectiveTranslation result;
    FlowRule dummyFlow = getDummyFlow(nextObjective);
    FlowRule egFlow;
    GroupBucket groupBucket;
    GroupDescription group;
    for (NextTreatment nextTreatment : nextObjective.nextTreatments()) {
        newNextObjective = DefaultNextObjective.builder().withId(nextObjective.id()).withType(nextObjective.type()).fromApp(nextObjective.appId()).withMeta(nextObjective.meta()).addTreatment(nextTreatment).verify();
        result = nextTranslator.translate(newNextObjective);
        if ((result.groups().isEmpty() && result.flowRules().isEmpty()) || result.groups().size() > 1) {
            return Collections.emptyMap();
        }
        group = result.groups().iterator().next();
        egFlow = result.flowRules().stream().filter(flowRule -> flowRule.table().equals(FabricConstants.FABRIC_EGRESS_EGRESS_NEXT_EGRESS_VLAN)).findFirst().orElse(null);
        if (group.buckets().buckets().isEmpty() || group.buckets().buckets().size() > 1) {
            return Collections.emptyMap();
        }
        groupBucket = group.buckets().buckets().iterator().next();
        if (egFlow == null) {
            mapping.put(groupBucket, dummyFlow);
        } else {
            mapping.put(groupBucket, egFlow);
        }
    }
    return mapping;
}
Also used : DefaultNextObjective(org.onosproject.net.flowobjective.DefaultNextObjective) NextObjective(org.onosproject.net.flowobjective.NextObjective) GroupDescription(org.onosproject.net.group.GroupDescription) DefaultFlowRule(org.onosproject.net.flow.DefaultFlowRule) CoreService(org.onosproject.core.CoreService) PortNumber(org.onosproject.net.PortNumber) PiActionParam(org.onosproject.net.pi.runtime.PiActionParam) DefaultNextObjective(org.onosproject.net.flowobjective.DefaultNextObjective) ForwardingObjective(org.onosproject.net.flowobjective.ForwardingObjective) DefaultTrafficTreatment(org.onosproject.net.flow.DefaultTrafficTreatment) ObjectiveError(org.onosproject.net.flowobjective.ObjectiveError) Ethernet(org.onlab.packet.Ethernet) FlowRuleService(org.onosproject.net.flow.FlowRuleService) SharedExecutors(org.onlab.util.SharedExecutors) PiCriterion(org.onosproject.net.flow.criteria.PiCriterion) Map(java.util.Map) ApplicationId(org.onosproject.core.ApplicationId) NextObjective(org.onosproject.net.flowobjective.NextObjective) KryoNamespaces(org.onosproject.store.serializers.KryoNamespaces) PipelinerContext(org.onosproject.net.behaviour.PipelinerContext) FilteringObjective(org.onosproject.net.flowobjective.FilteringObjective) Collection(java.util.Collection) PORT_TYPE_INTERNAL(org.onosproject.pipelines.fabric.impl.behaviour.Constants.PORT_TYPE_INTERNAL) Set(java.util.Set) FlowObjectiveStore(org.onosproject.net.flowobjective.FlowObjectiveStore) Collectors(java.util.stream.Collectors) Sets(com.google.common.collect.Sets) String.format(java.lang.String.format) Objects(java.util.Objects) List(java.util.List) FabricUtils.outputPort(org.onosproject.pipelines.fabric.impl.behaviour.FabricUtils.outputPort) FlowRule(org.onosproject.net.flow.FlowRule) GroupBuckets(org.onosproject.net.group.GroupBuckets) DeviceId(org.onosproject.net.DeviceId) GroupDescription(org.onosproject.net.group.GroupDescription) ONE(org.onosproject.pipelines.fabric.impl.behaviour.FabricInterpreter.ONE) Pipeliner(org.onosproject.net.behaviour.Pipeliner) FWD_IPV4_ROUTING(org.onosproject.pipelines.fabric.impl.behaviour.Constants.FWD_IPV4_ROUTING) NextTreatment(org.onosproject.net.flowobjective.NextTreatment) CompletableFuture(java.util.concurrent.CompletableFuture) DefaultGroup(org.onosproject.net.group.DefaultGroup) GroupBucket(org.onosproject.net.group.GroupBucket) KryoNamespace(org.onlab.util.KryoNamespace) NextGroup(org.onosproject.net.behaviour.NextGroup) GroupKey(org.onosproject.net.group.GroupKey) Group(org.onosproject.net.group.Group) ZERO(org.onosproject.pipelines.fabric.impl.behaviour.FabricInterpreter.ZERO) Lists(com.google.common.collect.Lists) TrafficSelector(org.onosproject.net.flow.TrafficSelector) ImmutableList(com.google.common.collect.ImmutableList) Criteria(org.onosproject.net.flow.criteria.Criteria) DefaultTrafficSelector(org.onosproject.net.flow.DefaultTrafficSelector) ExecutorService(java.util.concurrent.ExecutorService) FabricCapabilities(org.onosproject.pipelines.fabric.impl.behaviour.FabricCapabilities) TrafficTreatment(org.onosproject.net.flow.TrafficTreatment) SIMPLE(org.onosproject.net.flowobjective.NextObjective.Type.SIMPLE) FlowRuleOperations(org.onosproject.net.flow.FlowRuleOperations) Logger(org.slf4j.Logger) GroupService(org.onosproject.net.group.GroupService) FabricConstants(org.onosproject.pipelines.fabric.FabricConstants) Maps(com.google.common.collect.Maps) IdNextTreatment(org.onosproject.net.flowobjective.IdNextTreatment) PiAction(org.onosproject.net.pi.runtime.PiAction) FabricPipeconfLoader(org.onosproject.pipelines.fabric.impl.FabricPipeconfLoader) AbstractFabricHandlerBehavior(org.onosproject.pipelines.fabric.impl.behaviour.AbstractFabricHandlerBehavior) LoggerFactory.getLogger(org.slf4j.LoggerFactory.getLogger) Objective(org.onosproject.net.flowobjective.Objective) Collections(java.util.Collections) GroupBucket(org.onosproject.net.group.GroupBucket) DefaultFlowRule(org.onosproject.net.flow.DefaultFlowRule) FlowRule(org.onosproject.net.flow.FlowRule) NextTreatment(org.onosproject.net.flowobjective.NextTreatment) IdNextTreatment(org.onosproject.net.flowobjective.IdNextTreatment)

Aggregations

FlowRule (org.onosproject.net.flow.FlowRule)351 DefaultFlowRule (org.onosproject.net.flow.DefaultFlowRule)226 DefaultTrafficSelector (org.onosproject.net.flow.DefaultTrafficSelector)207 DefaultTrafficTreatment (org.onosproject.net.flow.DefaultTrafficTreatment)207 TrafficSelector (org.onosproject.net.flow.TrafficSelector)174 TrafficTreatment (org.onosproject.net.flow.TrafficTreatment)174 Test (org.junit.Test)133 FlowRuleIntent (org.onosproject.net.intent.FlowRuleIntent)90 Intent (org.onosproject.net.intent.Intent)88 DeviceId (org.onosproject.net.DeviceId)87 List (java.util.List)86 Collection (java.util.Collection)68 Collectors (java.util.stream.Collectors)68 CoreService (org.onosproject.core.CoreService)66 VlanId (org.onlab.packet.VlanId)65 VlanIdCriterion (org.onosproject.net.flow.criteria.VlanIdCriterion)61 Collections (java.util.Collections)60 FlowEntry (org.onosproject.net.flow.FlowEntry)59 MplsCriterion (org.onosproject.net.flow.criteria.MplsCriterion)56 ArrayList (java.util.ArrayList)54