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

Example 31 with Instruction

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

the class SoftRouterPipeline method processVersatile.

/**
 * SoftRouter has a single versatile table - the filter table.
 * This table can be used to filter entries that reach the next table (FIB table).
 * It can also be used to punt packets to the controller and/or bypass
 * the FIB table to forward out of a port.
 *
 * @param fwd The forwarding objective of type versatile
 * @return  A collection of flow rules meant to be delivered to the flowrule
 *          subsystem. May return empty collection in case of failures.
 */
private Collection<FlowRule> processVersatile(ForwardingObjective fwd) {
    log.debug("Received versatile fwd: to next:{}", fwd.nextId());
    Collection<FlowRule> flowrules = new ArrayList<>();
    if (fwd.nextId() == null && fwd.treatment() == null) {
        log.error("Forwarding objective {} from {} must contain " + "nextId or Treatment", fwd.selector(), fwd.appId());
        return Collections.emptySet();
    }
    int tableId = FILTER_TABLE;
    // so that it only takes effect if the packet misses the FIB rules
    if (fwd.treatment() != null && containsPunt(fwd.treatment()) && fwd.selector() != null && matchesIp(fwd.selector()) && !matchesControlTraffic(fwd.selector())) {
        tableId = FIB_TABLE;
    }
    TrafficTreatment.Builder ttBuilder = DefaultTrafficTreatment.builder();
    if (fwd.treatment() != null) {
        fwd.treatment().immediate().forEach(ins -> ttBuilder.add(ins));
    }
    // convert nextId to flow actions
    if (fwd.nextId() != null) {
        // only acceptable value is output to port
        NextGroup next = flowObjectiveStore.getNextGroup(fwd.nextId());
        if (next == null) {
            log.error("next-id {} does not exist in store", fwd.nextId());
            return Collections.emptySet();
        }
        TrafficTreatment nt = appKryo.deserialize(next.data());
        if (nt == null) {
            log.error("Error in deserializing next-id {}", fwd.nextId());
            return Collections.emptySet();
        }
        for (Instruction ins : nt.allInstructions()) {
            if (ins instanceof OutputInstruction) {
                ttBuilder.add(ins);
            }
        }
    }
    FlowRule rule = DefaultFlowRule.builder().withSelector(fwd.selector()).withTreatment(ttBuilder.build()).forTable(tableId).makePermanent().forDevice(deviceId).fromApp(fwd.appId()).withPriority(fwd.priority()).build();
    flowrules.add(rule);
    return flowrules;
}

Example 32 with Instruction

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

the class SpringOpenTTP method processEthTypeSpecificObjective.

protected Collection<FlowRule> processEthTypeSpecificObjective(ForwardingObjective fwd) {
    TrafficSelector selector = fwd.selector();
    EthTypeCriterion ethType = (EthTypeCriterion) selector.getCriterion(Criterion.Type.ETH_TYPE);
    TrafficSelector.Builder filteredSelectorBuilder = DefaultTrafficSelector.builder();
    int forTableId = -1;
    if (ethType.ethType().toShort() == Ethernet.TYPE_IPV4) {
        filteredSelectorBuilder = filteredSelectorBuilder.matchEthType(Ethernet.TYPE_IPV4).matchIPDst(((IPCriterion) selector.getCriterion(Criterion.Type.IPV4_DST)).ip());
        forTableId = ipv4UnicastTableId;
        log.debug("processing IPv4 specific forwarding objective:{} in dev:{}", fwd.id(), deviceId);
    } 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(Type.MPLS_BOS)).mplsBos());
        }
        forTableId = mplsTableId;
        log.debug("processing MPLS specific forwarding objective:{} in dev:{}", fwd.id(), deviceId);
    }
    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 {
                GroupKey key = soGroup.key;
                Group group = groupService.getGroup(deviceId, key);
                if (group == null) {
                    log.warn("The group left!");
                    fail(fwd, ObjectiveError.GROUPMISSING);
                    return Collections.emptySet();
                }
                treatmentBuilder.deferred().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());
}

Example 33 with Instruction

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

the class SpringOpenTTP method processVersatile.

private Collection<FlowRule> processVersatile(ForwardingObjective fwd) {
    log.debug("Processing versatile forwarding objective in dev:{}", deviceId);
    TrafficSelector selector = fwd.selector();
    EthTypeCriterion ethType = (EthTypeCriterion) selector.getCriterion(Criterion.Type.ETH_TYPE);
    if (ethType == null) {
        log.error("Versatile forwarding objective must include ethType");
        fail(fwd, ObjectiveError.UNKNOWN);
        return Collections.emptySet();
    }
    if (fwd.treatment() == null && fwd.nextId() == null) {
        log.error("VERSATILE forwarding objective needs next objective ID " + "or treatment.");
        return Collections.emptySet();
    }
    // emulation of ACL table (for versatile fwd objective) requires
    // overriding any previous instructions
    TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder();
    treatmentBuilder.wipeDeferred();
    if (fwd.nextId() != null) {
        NextGroup next = flowObjectiveStore.getNextGroup(fwd.nextId());
        if (next != null) {
            SpringOpenGroup soGroup = appKryo.deserialize(next.data());
            if (soGroup.dummy) {
                // need to convert to flow-actions
                for (Instruction ins : soGroup.treatment.allInstructions()) {
                    treatmentBuilder.add(ins);
                }
            } else {
                GroupKey key = soGroup.key;
                Group group = groupService.getGroup(deviceId, key);
                if (group == null) {
                    log.warn("The group left!");
                    fail(fwd, ObjectiveError.GROUPMISSING);
                    return Collections.emptySet();
                }
                treatmentBuilder.deferred().group(group.id());
                log.debug("Adding OUTGROUP action");
            }
        }
    }
    if (fwd.treatment() != null) {
        if (fwd.treatment().allInstructions().size() == 1 && fwd.treatment().allInstructions().get(0).type() == Instruction.Type.OUTPUT) {
            OutputInstruction o = (OutputInstruction) fwd.treatment().allInstructions().get(0);
            if (o.port() == PortNumber.CONTROLLER) {
                treatmentBuilder.popVlan();
                treatmentBuilder.punt();
            } else {
                treatmentBuilder.add(o);
            }
        } else {
            for (Instruction ins : fwd.treatment().allInstructions()) {
                treatmentBuilder.add(ins);
            }
        }
    }
    FlowRule.Builder ruleBuilder = DefaultFlowRule.builder().fromApp(fwd.appId()).withPriority(fwd.priority()).forDevice(deviceId).withSelector(fwd.selector()).withTreatment(treatmentBuilder.build());
    if (fwd.permanent()) {
        ruleBuilder.makePermanent();
    } else {
        ruleBuilder.makeTemporary(fwd.timeout());
    }
    ruleBuilder.forTable(aclTableId);
    return Collections.singletonList(ruleBuilder.build());
}

Example 34 with Instruction

use of org.onosproject.net.flow.instructions.Instruction 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());
}

Example 35 with Instruction

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

the class CentecV350Pipeline method next.

@Override
public void next(NextObjective nextObjective) {
    switch(nextObjective.type()) {
        case SIMPLE:
            Collection<TrafficTreatment> treatments = nextObjective.next();
            if (treatments.size() == 1) {
                TrafficTreatment treatment = treatments.iterator().next();
                // Since we do not support strip_vlan in PORT_VLAN table, we use mod_vlan
                // to modify the packet to desired vlan.
                // Note: if we use push_vlan here, the switch will add a second VLAN tag to the outgoing
                // packet, which is not what we want.
                TrafficTreatment.Builder treatmentWithoutPushVlan = DefaultTrafficTreatment.builder();
                VlanId modVlanId;
                for (Instruction ins : treatment.allInstructions()) {
                    if (ins.type() == Instruction.Type.L2MODIFICATION) {
                        L2ModificationInstruction l2ins = (L2ModificationInstruction) ins;
                        switch(l2ins.subtype()) {
                            case ETH_DST:
                                treatmentWithoutPushVlan.setEthDst(((L2ModificationInstruction.ModEtherInstruction) l2ins).mac());
                                break;
                            case ETH_SRC:
                                treatmentWithoutPushVlan.setEthSrc(((L2ModificationInstruction.ModEtherInstruction) l2ins).mac());
                                break;
                            case VLAN_ID:
                                modVlanId = ((L2ModificationInstruction.ModVlanIdInstruction) l2ins).vlanId();
                                treatmentWithoutPushVlan.setVlanId(modVlanId);
                                break;
                            default:
                                break;
                        }
                    } else if (ins.type() == Instruction.Type.OUTPUT) {
                        // long portNum = ((Instructions.OutputInstruction) ins).port().toLong();
                        treatmentWithoutPushVlan.add(ins);
                    } else {
                        // Ignore the vlan_pcp action since it's does matter much.
                        log.warn("Driver does not handle this type of TrafficTreatment" + " instruction in nextObjectives:  {}", ins.type());
                    }
                }
                GroupBucket bucket = DefaultGroupBucket.createIndirectGroupBucket(treatmentWithoutPushVlan.build());
                final GroupKey key = new DefaultGroupKey(appKryo.serialize(nextObjective.id()));
                GroupDescription groupDescription = new DefaultGroupDescription(deviceId, GroupDescription.Type.INDIRECT, new GroupBuckets(Collections.singletonList(bucket)), key, // let group service determine group id
                null, nextObjective.appId());
                groupService.addGroup(groupDescription);
                pendingGroups.put(key, nextObjective);
            }
            break;
        case HASHED:
        case BROADCAST:
        case FAILOVER:
            fail(nextObjective, ObjectiveError.UNSUPPORTED);
            log.warn("Unsupported next objective type {}", nextObjective.type());
            break;
        default:
            fail(nextObjective, ObjectiveError.UNKNOWN);
            log.warn("Unknown next objective type {}", nextObjective.type());
    }
}