Examples with IPCriterion org.onosproject.net.flow.criteria.IPCriterion used on opensource projects

Example 6 with IPCriterion

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

the class OfdpaPipelineTraceable method matchIp.

// Checks if the packet has an dst or src IP and if that IP matches the subnet of the ip criterion
// TODO Candidate for an AbstractBehavior implementation
private boolean matchIp(TrafficSelector packet, IPCriterion criterion) {
    IPCriterion matchCriterion = (IPCriterion) packet.getCriterion(criterion.type());
    // if the packet does not have an IPv4 or IPv6 criterion we return true
    if (matchCriterion == null) {
        return false;
    }
    log.debug("Checking if {} is under {}", matchCriterion.ip(), criterion.ip());
    IpPrefix subnet = criterion.ip();
    return subnet.contains(matchCriterion.ip().address());
}

Example 7 with IPCriterion

use of org.onosproject.net.flow.criteria.IPCriterion 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;
}

Example 8 with IPCriterion

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

the class AbstractHPPipeline method processFilter.

/**
 * Filter processing and installation.
 * Processes and installs filtering rules.
 *
 * @param filt
 * @param install
 * @param applicationId
 */
private void processFilter(FilteringObjective filt, boolean install, ApplicationId applicationId) {
    // This driver only processes filtering criteria defined with switch
    // ports as the key
    PortCriterion port;
    if (!filt.key().equals(Criteria.dummy()) && filt.key().type() == Criterion.Type.IN_PORT) {
        port = (PortCriterion) filt.key();
    } else {
        log.warn("No key defined in filtering objective from app: {}. Not" + "processing filtering objective", applicationId);
        fail(filt, ObjectiveError.UNKNOWN);
        return;
    }
    // convert filtering conditions for switch-intfs into flowrules
    FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
    for (Criterion c : filt.conditions()) {
        if (c.type() == Criterion.Type.ETH_DST) {
            EthCriterion eth = (EthCriterion) c;
            FlowRule.Builder rule = processEthFilter(filt, eth, port);
            rule.forDevice(deviceId).fromApp(applicationId);
            ops = install ? ops.add(rule.build()) : ops.remove(rule.build());
        } else if (c.type() == Criterion.Type.VLAN_VID) {
            VlanIdCriterion vlan = (VlanIdCriterion) c;
            FlowRule.Builder rule = processVlanFilter(filt, vlan, port);
            rule.forDevice(deviceId).fromApp(applicationId);
            ops = install ? ops.add(rule.build()) : ops.remove(rule.build());
        } else if (c.type() == Criterion.Type.IPV4_DST) {
            IPCriterion ip = (IPCriterion) c;
            FlowRule.Builder rule = processIpFilter(filt, ip, port);
            rule.forDevice(deviceId).fromApp(applicationId);
            ops = install ? ops.add(rule.build()) : ops.remove(rule.build());
        } else {
            log.warn("Driver does not currently process filtering condition" + " of type: {}", c.type());
            fail(filt, ObjectiveError.UNSUPPORTED);
        }
    }
    // apply filtering flow rules
    flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {

        @Override
        public void onSuccess(FlowRuleOperations ops) {
            pass(filt);
            log.trace("HP Driver - Applied filtering rules");
        }

        @Override
        public void onError(FlowRuleOperations ops) {
            fail(filt, ObjectiveError.FLOWINSTALLATIONFAILED);
            log.trace("HP Driver - Failed to apply filtering rules");
        }
    }));
}

Example 9 with IPCriterion

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

the class CentecV350Pipeline method processSpecific.

private Collection<FlowRule> processSpecific(ForwardingObjective fwd) {
    log.debug("Processing specific forwarding objective");
    TrafficSelector selector = fwd.selector();
    EthTypeCriterion ethType = (EthTypeCriterion) selector.getCriterion(Criterion.Type.ETH_TYPE);
    if (ethType == null || ethType.ethType().toShort() != Ethernet.TYPE_IPV4) {
        fail(fwd, ObjectiveError.UNSUPPORTED);
        return Collections.emptySet();
    }
    // Must have metadata as key.
    TrafficSelector filteredSelector = DefaultTrafficSelector.builder().matchEthType(Ethernet.TYPE_IPV4).matchMetadata(DEFAULT_METADATA).matchIPDst(((IPCriterion) selector.getCriterion(Criterion.Type.IPV4_DST)).ip()).build();
    TrafficTreatment.Builder tb = DefaultTrafficTreatment.builder();
    if (fwd.nextId() != null) {
        NextGroup next = flowObjectiveStore.getNextGroup(fwd.nextId());
        GroupKey key = appKryo.deserialize(next.data());
        Group group = groupService.getGroup(deviceId, key);
        if (group == null) {
            log.warn("The group left!");
            fail(fwd, ObjectiveError.GROUPMISSING);
            return Collections.emptySet();
        }
        tb.group(group.id());
    }
    FlowRule.Builder ruleBuilder = DefaultFlowRule.builder().fromApp(fwd.appId()).withPriority(ROUTE_TABLE_PRIORITY).forDevice(deviceId).withSelector(filteredSelector).withTreatment(tb.build());
    if (fwd.permanent()) {
        ruleBuilder.makePermanent();
    } else {
        ruleBuilder.makeTemporary(fwd.timeout());
    }
    ruleBuilder.forTable(ROUTE_TABLE);
    return Collections.singletonList(ruleBuilder.build());
}

Example 10 with IPCriterion

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

the class SpringOpenTTPDell method processSpecific.

@Override
protected // ETH_DST match condition while pushing IP table flow rules
Collection<FlowRule> processSpecific(ForwardingObjective fwd) {
    log.debug("Processing specific");
    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)) {
        log.debug("processSpecific: Unsupported " + "forwarding objective criteraia");
        fail(fwd, ObjectiveError.UNSUPPORTED);
        return Collections.emptySet();
    }
    TrafficSelector.Builder filteredSelectorBuilder = DefaultTrafficSelector.builder();
    int forTableId = -1;
    if (ethType.ethType().toShort() == Ethernet.TYPE_IPV4) {
        if (deviceTMac == null) {
            log.debug("processSpecific: ETH_DST filtering " + "objective is not set which is required " + "before sending a IPv4 forwarding objective");
            // TODO: Map the error to more appropriate error code.
            fail(fwd, ObjectiveError.DEVICEMISSING);
            return Collections.emptySet();
        }
        filteredSelectorBuilder = filteredSelectorBuilder.matchEthType(Ethernet.TYPE_IPV4).matchEthDst(deviceTMac).matchIPDst(((IPCriterion) selector.getCriterion(Criterion.Type.IPV4_DST)).ip());
        forTableId = ipv4UnicastTableId;
        log.debug("processing IPv4 specific forwarding objective");
    } else {
        filteredSelectorBuilder = filteredSelectorBuilder.matchEthType(Ethernet.MPLS_UNICAST).matchMplsLabel(((MplsCriterion) selector.getCriterion(Criterion.Type.MPLS_LABEL)).label());
        if (selector.getCriterion(Criterion.Type.MPLS_BOS) != null) {
            filteredSelectorBuilder.matchMplsBos(((MplsBosCriterion) selector.getCriterion(Criterion.Type.MPLS_BOS)).mplsBos());
        }
        forTableId = mplsTableId;
        log.debug("processing MPLS specific forwarding objective");
    }
    TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder();
    if (fwd.treatment() != null) {
        for (Instruction i : fwd.treatment().allInstructions()) {
            treatmentBuilder.add(i);
        }
    }
    if (fwd.nextId() != null) {
        NextGroup next = flowObjectiveStore.getNextGroup(fwd.nextId());
        if (next != null) {
            SpringOpenGroup soGroup = appKryo.deserialize(next.data());
            if (soGroup.dummy()) {
                log.debug("Adding {} flow-actions for fwd. obj. {} -> next:{} " + "in dev: {}", soGroup.treatment().allInstructions().size(), fwd.id(), fwd.nextId(), deviceId);
                for (Instruction ins : soGroup.treatment().allInstructions()) {
                    treatmentBuilder.add(ins);
                }
            } else {
                Group group = groupService.getGroup(deviceId, soGroup.key());
                if (group == null) {
                    log.warn("The group left!");
                    fail(fwd, ObjectiveError.GROUPMISSING);
                    return Collections.emptySet();
                }
                treatmentBuilder.group(group.id());
                log.debug("Adding OUTGROUP action to group:{} for fwd. obj. {} " + "for next:{} in dev: {}", group.id(), fwd.id(), fwd.nextId(), deviceId);
            }
        } else {
            log.warn("processSpecific: No associated next objective object");
            fail(fwd, ObjectiveError.GROUPMISSING);
            return Collections.emptySet();
        }
    }
    TrafficSelector filteredSelector = filteredSelectorBuilder.build();
    TrafficTreatment treatment = treatmentBuilder.transition(aclTableId).build();
    FlowRule.Builder ruleBuilder = DefaultFlowRule.builder().fromApp(fwd.appId()).withPriority(fwd.priority()).forDevice(deviceId).withSelector(filteredSelector).withTreatment(treatment);
    if (fwd.permanent()) {
        ruleBuilder.makePermanent();
    } else {
        ruleBuilder.makeTemporary(fwd.timeout());
    }
    ruleBuilder.forTable(forTableId);
    return Collections.singletonList(ruleBuilder.build());
}