Examples with ModMplsHeaderInstruction org.onosproject.net.flow.instructions.L2ModificationInstruction.ModMplsHeaderInstruction used on opensource projects

Example 1 with ModMplsHeaderInstruction

use of org.onosproject.net.flow.instructions.L2ModificationInstruction.ModMplsHeaderInstruction 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 2 with ModMplsHeaderInstruction

use of org.onosproject.net.flow.instructions.L2ModificationInstruction.ModMplsHeaderInstruction in project onos by opennetworkinglab.

the class InstructionJsonMatcher method matchModMplsHeaderInstruction.

/**
 * Matches the contents of a push header instruction.
 *
 * @param instructionJson JSON instruction to match
 * @param description Description object used for recording errors
 * @return true if contents match, false otherwise
 */
private boolean matchModMplsHeaderInstruction(JsonNode instructionJson, Description description) {
    ModMplsHeaderInstruction instructionToMatch = (ModMplsHeaderInstruction) instruction;
    final String jsonSubtype = instructionJson.get("subtype").textValue();
    if (!instructionToMatch.subtype().name().equals(jsonSubtype)) {
        description.appendText("subtype was " + jsonSubtype);
        return false;
    }
    final String jsonType = instructionJson.get("type").textValue();
    if (!instructionToMatch.type().name().equals(jsonType)) {
        description.appendText("type was " + jsonType);
        return false;
    }
    final JsonNode ethJson = instructionJson.get("ethernetType");
    if (ethJson == null) {
        description.appendText("ethernetType was not null");
        return false;
    }
    if (instructionToMatch.ethernetType().toShort() != ethJson.asInt()) {
        description.appendText("ethernetType was " + ethJson);
        return false;
    }
    return true;
}

Example 3 with ModMplsHeaderInstruction

use of org.onosproject.net.flow.instructions.L2ModificationInstruction.ModMplsHeaderInstruction in project onos by opennetworkinglab.

the class FlowModBuilderVer13 method buildL2Modification.

protected OFAction buildL2Modification(Instruction i) {
    L2ModificationInstruction l2m = (L2ModificationInstruction) i;
    ModEtherInstruction eth;
    OFOxm<?> oxm = null;
    switch(l2m.subtype()) {
        case ETH_DST:
            eth = (ModEtherInstruction) l2m;
            oxm = factory().oxms().ethDst(MacAddress.of(eth.mac().toLong()));
            break;
        case ETH_SRC:
            eth = (ModEtherInstruction) l2m;
            oxm = factory().oxms().ethSrc(MacAddress.of(eth.mac().toLong()));
            break;
        case VLAN_ID:
            ModVlanIdInstruction vlanId = (ModVlanIdInstruction) l2m;
            oxm = factory().oxms().vlanVid(OFVlanVidMatch.ofVlan(vlanId.vlanId().toShort()));
            break;
        case VLAN_PCP:
            ModVlanPcpInstruction vlanPcp = (ModVlanPcpInstruction) l2m;
            oxm = factory().oxms().vlanPcp(VlanPcp.of(vlanPcp.vlanPcp()));
            break;
        case MPLS_PUSH:
            ModMplsHeaderInstruction pushHeaderInstructions = (ModMplsHeaderInstruction) l2m;
            return factory().actions().pushMpls(EthType.of(pushHeaderInstructions.ethernetType().toShort()));
        case MPLS_POP:
            ModMplsHeaderInstruction popHeaderInstructions = (ModMplsHeaderInstruction) l2m;
            return factory().actions().popMpls(EthType.of(popHeaderInstructions.ethernetType().toShort()));
        case MPLS_LABEL:
            ModMplsLabelInstruction mplsLabel = (ModMplsLabelInstruction) l2m;
            oxm = factory().oxms().mplsLabel(U32.of(mplsLabel.label().toInt()));
            break;
        case MPLS_BOS:
            ModMplsBosInstruction mplsBos = (ModMplsBosInstruction) l2m;
            oxm = factory().oxms().mplsBos(mplsBos.mplsBos() ? OFBooleanValue.TRUE : OFBooleanValue.FALSE);
            break;
        case DEC_MPLS_TTL:
            return factory().actions().decMplsTtl();
        case VLAN_POP:
            return factory().actions().popVlan();
        case VLAN_PUSH:
            ModVlanHeaderInstruction pushVlanInstruction = (ModVlanHeaderInstruction) l2m;
            return factory().actions().pushVlan(EthType.of(pushVlanInstruction.ethernetType().toShort()));
        case TUNNEL_ID:
            ModTunnelIdInstruction tunnelId = (ModTunnelIdInstruction) l2m;
            oxm = factory().oxms().tunnelId(U64.of(tunnelId.tunnelId()));
            break;
        default:
            log.warn("Unimplemented action type {}.", l2m.subtype());
            break;
    }
    if (oxm != null) {
        return factory().actions().buildSetField().setField(oxm).build();
    }
    return null;
}

Example 4 with ModMplsHeaderInstruction

use of org.onosproject.net.flow.instructions.L2ModificationInstruction.ModMplsHeaderInstruction in project onos by opennetworkinglab.

the class InstructionJsonMatcher method matchesSafely.

@Override
public boolean matchesSafely(JsonNode jsonInstruction, Description description) {
    // check type
    final JsonNode jsonTypeNode = jsonInstruction.get("type");
    final String jsonType = jsonTypeNode.textValue();
    final String type = instruction.type().name();
    if (!jsonType.equals(type)) {
        description.appendText("type was " + type);
        return false;
    }
    if (instruction instanceof ModMplsHeaderInstruction) {
        return matchModMplsHeaderInstruction(jsonInstruction, description);
    } else if (instruction instanceof OutputInstruction) {
        return matchOutputInstruction(jsonInstruction, description);
    } else if (instruction instanceof GroupInstruction) {
        return matchGroupInstruction(jsonInstruction, description);
    } else if (instruction instanceof MeterInstruction) {
        return matchMeterInstruction(jsonInstruction, description);
    } else if (instruction instanceof SetQueueInstruction) {
        return matchSetQueueInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModOchSignalInstruction) {
        return matchModOchSingalInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModEtherInstruction) {
        return matchModEtherInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModVlanIdInstruction) {
        return matchModVlanIdInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModVlanPcpInstruction) {
        return matchModVlanPcpInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModIPInstruction) {
        return matchModIpInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModIPv6FlowLabelInstruction) {
        return matchModIPv6FlowLabelInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModMplsLabelInstruction) {
        return matchModMplsLabelInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModOduSignalIdInstruction) {
        return matchModOduSingalIdInstruction(jsonInstruction, description);
    } else if (instruction instanceof PiInstruction) {
        return matchPiInstruction(jsonInstruction, description);
    } else if (instruction instanceof NoActionInstruction) {
        return true;
    }
    return false;
}