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

Example 81 with Instruction

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

the class OvsOfdpaGroupHandler method createL2L3Chain.

@Override
protected GroupInfo createL2L3Chain(TrafficTreatment treatment, int nextId, ApplicationId appId, boolean mpls, TrafficSelector meta) {
    if (createUnfiltered(treatment, meta)) {
        return createUnfilteredL2L3Chain(treatment, nextId, appId);
    }
    // for the l2interface group, get vlan and port info
    // for the outer group, get the src/dst mac, and vlan info
    TrafficTreatment.Builder outerTtb = DefaultTrafficTreatment.builder();
    TrafficTreatment.Builder innerTtb = DefaultTrafficTreatment.builder();
    VlanId vlanid = null;
    long portNum = 0;
    boolean setVlan = false, popVlan = false;
    MacAddress srcMac = MacAddress.ZERO;
    MacAddress dstMac = MacAddress.ZERO;
    for (Instruction ins : treatment.allInstructions()) {
        if (ins.type() == Instruction.Type.L2MODIFICATION) {
            L2ModificationInstruction l2ins = (L2ModificationInstruction) ins;
            switch(l2ins.subtype()) {
                case ETH_DST:
                    dstMac = ((L2ModificationInstruction.ModEtherInstruction) l2ins).mac();
                    outerTtb.setEthDst(dstMac);
                    break;
                case ETH_SRC:
                    srcMac = ((L2ModificationInstruction.ModEtherInstruction) l2ins).mac();
                    outerTtb.setEthSrc(srcMac);
                    break;
                case VLAN_ID:
                    vlanid = ((L2ModificationInstruction.ModVlanIdInstruction) l2ins).vlanId();
                    outerTtb.setVlanId(vlanid);
                    setVlan = true;
                    break;
                case VLAN_POP:
                    innerTtb.popVlan();
                    popVlan = true;
                    break;
                case DEC_MPLS_TTL:
                case MPLS_LABEL:
                case MPLS_POP:
                case MPLS_PUSH:
                case VLAN_PCP:
                case VLAN_PUSH:
                default:
                    break;
            }
        } else if (ins.type() == Instruction.Type.OUTPUT) {
            portNum = ((Instructions.OutputInstruction) ins).port().toLong();
            innerTtb.add(ins);
        } else {
            log.debug("Driver does not handle this type of TrafficTreatment" + " instruction in l2l3chain:  {} - {}", ins.type(), ins);
        }
    }
    if (vlanid == null && meta != null) {
        // use metadata if available
        Criterion vidCriterion = meta.getCriterion(Criterion.Type.VLAN_VID);
        if (vidCriterion != null) {
            vlanid = ((VlanIdCriterion) vidCriterion).vlanId();
        }
        // if vlan is not set, use the vlan in metadata for outerTtb
        if (vlanid != null && !setVlan) {
            outerTtb.setVlanId(vlanid);
        }
    }
    if (vlanid == null) {
        log.error("Driver cannot process an L2/L3 group chain without " + "egress vlan information for dev: {} port:{}", deviceId, portNum);
        return null;
    }
    if (!setVlan && !popVlan) {
        // untagged outgoing port
        TrafficTreatment.Builder temp = DefaultTrafficTreatment.builder();
        temp.popVlan();
        innerTtb.build().allInstructions().forEach(i -> temp.add(i));
        innerTtb = temp;
    }
    // assemble information for ofdpa l2interface group
    int l2groupId = L2_INTERFACE_TYPE | (vlanid.toShort() << 16) | (int) portNum;
    // a globally unique groupkey that is different for ports in the same device,
    // but different for the same portnumber on different devices. Also different
    // for the various group-types created out of the same next objective.
    int l2gk = l2InterfaceGroupKey(deviceId, vlanid, portNum);
    final GroupKey l2groupkey = new DefaultGroupKey(Ofdpa2Pipeline.appKryo.serialize(l2gk));
    // assemble information for outer group
    GroupDescription outerGrpDesc = null;
    if (mpls) {
        // outer group is MPLSInteface
        int mplsInterfaceIndex = getNextAvailableIndex();
        int mplsgroupId = MPLS_INTERFACE_TYPE | (SUBTYPE_MASK & mplsInterfaceIndex);
        final GroupKey mplsgroupkey = new DefaultGroupKey(Ofdpa2Pipeline.appKryo.serialize(mplsInterfaceIndex));
        outerTtb.group(new GroupId(l2groupId));
        // create the mpls-interface group description to wait for the
        // l2 interface group to be processed
        GroupBucket mplsinterfaceGroupBucket = DefaultGroupBucket.createIndirectGroupBucket(outerTtb.build());
        outerGrpDesc = new DefaultGroupDescription(deviceId, GroupDescription.Type.INDIRECT, new GroupBuckets(Collections.singletonList(mplsinterfaceGroupBucket)), mplsgroupkey, mplsgroupId, appId);
        log.debug("Trying MPLS-Interface: device:{} gid:{} gkey:{} nextid:{}", deviceId, Integer.toHexString(mplsgroupId), mplsgroupkey, nextId);
    } else {
        // outer group is L3Unicast
        int l3unicastIndex = getNextAvailableIndex();
        int l3groupId = L3_UNICAST_TYPE | (TYPE_MASK & l3unicastIndex);
        final GroupKey l3groupkey = new DefaultGroupKey(Ofdpa2Pipeline.appKryo.serialize(l3unicastIndex));
        outerTtb.group(new GroupId(l2groupId));
        // create the l3unicast group description to wait for the
        // l2 interface group to be processed
        GroupBucket l3unicastGroupBucket = DefaultGroupBucket.createIndirectGroupBucket(outerTtb.build());
        outerGrpDesc = new DefaultGroupDescription(deviceId, GroupDescription.Type.INDIRECT, new GroupBuckets(Collections.singletonList(l3unicastGroupBucket)), l3groupkey, l3groupId, appId);
        log.debug("Trying L3Unicast: device:{} gid:{} gkey:{} nextid:{}", deviceId, Integer.toHexString(l3groupId), l3groupkey, nextId);
    }
    // store l2groupkey with the groupChainElem for the outer-group that depends on it
    GroupChainElem gce = new GroupChainElem(outerGrpDesc, 1, false, deviceId);
    updatePendingGroups(l2groupkey, gce);
    // create group description for the inner l2interfacegroup
    GroupBucket l2InterfaceGroupBucket = DefaultGroupBucket.createIndirectGroupBucket(innerTtb.build());
    GroupDescription l2groupDescription = new DefaultGroupDescription(deviceId, GroupDescription.Type.INDIRECT, new GroupBuckets(Collections.singletonList(l2InterfaceGroupBucket)), l2groupkey, l2groupId, appId);
    log.debug("Trying L2Interface: device:{} gid:{} gkey:{} nextId:{}", deviceId, Integer.toHexString(l2groupId), l2groupkey, nextId);
    return new GroupInfo(l2groupDescription, outerGrpDesc);
}

Example 82 with Instruction

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

the class OvsOfdpaGroupHandler method createUnfilteredL2L3Chain.

/**
 * Internal implementation of createL2L3Chain to handle double-tagged vlan.
 * L3UG Group carries dummyVlanId and output port information in its groupId,
 * and does not set vlan.
 * L2UG Group only has OUTPUT instruction.
 *
 * @param treatment that needs to be broken up to create the group chain
 * @param nextId of the next objective that needs this group chain
 * @param appId of the application that sent this next objective
 * @return GroupInfo containing the GroupDescription of the
 *         L2 Unfiltered Interface group(inner) and the GroupDescription of the (outer)
 *         L3Unicast group. May return null if there is an error in processing the chain.
 */
private GroupInfo createUnfilteredL2L3Chain(TrafficTreatment treatment, int nextId, ApplicationId appId) {
    // for the l2 unfiltered interface group, get port info
    // for the l3 unicast group, get the src/dst mac, and vlan info
    TrafficTreatment.Builder outerTtb = DefaultTrafficTreatment.builder();
    TrafficTreatment.Builder innerTtb = DefaultTrafficTreatment.builder();
    VlanId vlanId = VlanId.NONE;
    long portNum = 0;
    MacAddress srcMac;
    MacAddress dstMac;
    for (Instruction ins : treatment.allInstructions()) {
        if (ins.type() == Instruction.Type.L2MODIFICATION) {
            L2ModificationInstruction l2ins = (L2ModificationInstruction) ins;
            switch(l2ins.subtype()) {
                case ETH_DST:
                    dstMac = ((L2ModificationInstruction.ModEtherInstruction) l2ins).mac();
                    outerTtb.setEthDst(dstMac);
                    break;
                case ETH_SRC:
                    srcMac = ((L2ModificationInstruction.ModEtherInstruction) l2ins).mac();
                    outerTtb.setEthSrc(srcMac);
                    break;
                case VLAN_ID:
                    vlanId = ((L2ModificationInstruction.ModVlanIdInstruction) l2ins).vlanId();
                    break;
                default:
                    break;
            }
        } else if (ins.type() == Instruction.Type.OUTPUT) {
            portNum = ((Instructions.OutputInstruction) ins).port().toLong();
            innerTtb.add(ins);
        } else {
            log.debug("Driver does not handle this type of TrafficTreatment" + " instruction in l2l3chain:  {} - {}", ins.type(), ins);
        }
    }
    // assemble information for ofdpa l2 unfiltered interface group
    int l2groupId = l2UnfilteredGroupId(portNum);
    // a globally unique groupkey that is different for ports in the same device,
    // but different for the same portnumber on different devices. Also different
    // for the various group-types created out of the same next objective.
    int l2gk = l2UnfilteredGroupKey(deviceId, portNum);
    final GroupKey l2groupkey = new DefaultGroupKey(Ofdpa2Pipeline.appKryo.serialize(l2gk));
    // assemble information for outer group (L3Unicast)
    GroupDescription outerGrpDesc;
    int l3groupId = doubleVlanL3UnicastGroupId(vlanId, portNum);
    final GroupKey l3groupkey = new DefaultGroupKey(Ofdpa3Pipeline.appKryo.serialize(doubleVlanL3UnicastGroupKey(deviceId, vlanId, portNum)));
    outerTtb.group(new GroupId(l2groupId));
    // create the l3unicast group description to wait for the
    // l2 unfiltered interface group to be processed
    GroupBucket l3unicastGroupBucket = DefaultGroupBucket.createIndirectGroupBucket(outerTtb.build());
    outerGrpDesc = new DefaultGroupDescription(deviceId, GroupDescription.Type.INDIRECT, new GroupBuckets(Collections.singletonList(l3unicastGroupBucket)), l3groupkey, l3groupId, appId);
    log.debug("Trying L3Unicast: device:{} gid:{} gkey:{} nextid:{}", deviceId, Integer.toHexString(l3groupId), l3groupkey, nextId);
    // store l2groupkey with the groupChainElem for the outer-group that depends on it
    OfdpaGroupHandlerUtility.GroupChainElem gce = new OfdpaGroupHandlerUtility.GroupChainElem(outerGrpDesc, 1, false, deviceId);
    updatePendingGroups(l2groupkey, gce);
    // create group description for the inner l2 unfiltered interface group
    GroupBucket l2InterfaceGroupBucket = DefaultGroupBucket.createIndirectGroupBucket(innerTtb.build());
    GroupDescription l2groupDescription = new DefaultGroupDescription(deviceId, GroupDescription.Type.INDIRECT, new GroupBuckets(Collections.singletonList(l2InterfaceGroupBucket)), l2groupkey, l2groupId, appId);
    log.debug("Trying L2Unfiltered: device:{} gid:{} gkey:{} nextId:{}", deviceId, Integer.toHexString(l2groupId), l2groupkey, nextId);
    return new OfdpaGroupHandlerUtility.GroupInfo(l2groupDescription, outerGrpDesc);
}

Example 83 with Instruction

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

the class SpringOpenTTP method processEthDstSpecificObjective.

protected Collection<FlowRule> processEthDstSpecificObjective(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);
    TrafficSelector.Builder filteredSelectorBuilder = DefaultTrafficSelector.builder();
    // Do not match MacAddress for subnet broadcast entry
    if (!ethCriterion.mac().equals(MacAddress.NONE)) {
        filteredSelectorBuilder.matchEthDst(ethCriterion.mac());
        log.debug("processing L2 forwarding objective:{} in dev:{}", fwd.id(), deviceId);
    } else {
        log.debug("processing L2 Broadcast forwarding objective:{} " + "in dev:{} for vlan:{}", fwd.id(), deviceId, vlanIdCriterion.vlanId());
    }
    filteredSelectorBuilder.matchVlanId(vlanIdCriterion.vlanId());
    TrafficSelector filteredSelector = filteredSelectorBuilder.build();
    // Build filtered treatment
    TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder();
    if (fwd.treatment() != null) {
        treatmentBuilder.deferred();
        fwd.treatment().allInstructions().forEach(treatmentBuilder::add);
    }
    if (fwd.nextId() != null) {
        NextGroup next = flowObjectiveStore.getNextGroup(fwd.nextId());
        if (next != null) {
            SpringOpenGroup soGrp = appKryo.deserialize(next.data());
            if (soGrp.dummy) {
                log.debug("Adding {} flow-actions for fwd. obj. {} " + "in dev: {}", soGrp.treatment.allInstructions().size(), fwd.id(), deviceId);
                for (Instruction ins : soGrp.treatment.allInstructions()) {
                    treatmentBuilder.deferred().add(ins);
                }
            } else {
                GroupKey key = soGrp.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. {} " + "in dev: {}", group.id(), fwd.id(), deviceId);
            }
        }
    }
    treatmentBuilder.immediate().transition(aclTableId);
    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(dstMacTableId);
    if (fwd.permanent()) {
        flowRuleBuilder.makePermanent();
    } else {
        flowRuleBuilder.makeTemporary(fwd.timeout());
    }
    rules.add(flowRuleBuilder.build());
    return rules;
}

Example 84 with Instruction

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

the class SpringOpenTTP method processFilter.

private void processFilter(FilteringObjective filt, boolean install, ApplicationId applicationId) {
    // ports as the key
    if (filt.key().equals(Criteria.dummy()) || filt.key().type() != Criterion.Type.IN_PORT) {
        log.warn("No key defined in filtering objective from app: {}. Not" + "processing filtering objective", applicationId);
        fail(filt, ObjectiveError.UNKNOWN);
        return;
    }
    EthCriterion ethCriterion = null;
    VlanIdCriterion vlanIdCriterion = null;
    // convert filtering conditions for switch-intfs into flowrules
    FlowRuleOperations.Builder ops = FlowRuleOperations.builder();
    for (Criterion criterion : filt.conditions()) {
        if (criterion.type() == Criterion.Type.ETH_DST) {
            ethCriterion = (EthCriterion) criterion;
        } else if (criterion.type() == Criterion.Type.VLAN_VID) {
            vlanIdCriterion = (VlanIdCriterion) criterion;
        } else if (criterion.type() == Criterion.Type.IPV4_DST) {
            log.debug("driver does not process IP filtering rules as it " + "sends all misses in the IP table to the controller");
        } else {
            log.warn("Driver does not currently process filtering condition" + " of type: {}", criterion.type());
            fail(filt, ObjectiveError.UNSUPPORTED);
        }
    }
    VlanId assignedVlan = null;
    VlanId modifiedVlan = null;
    VlanId pushedVlan = null;
    boolean pushVlan = false;
    boolean popVlan = false;
    if (vlanIdCriterion != null) {
        if (filt.meta() != null) {
            for (Instruction i : filt.meta().allInstructions()) {
                if (i instanceof L2ModificationInstruction) {
                    if (((L2ModificationInstruction) i).subtype().equals(L2ModificationInstruction.L2SubType.VLAN_PUSH)) {
                        pushVlan = true;
                    } else if (((L2ModificationInstruction) i).subtype().equals(L2ModificationInstruction.L2SubType.VLAN_POP)) {
                        if (modifiedVlan != null) {
                            log.error("Pop tag is not allowed after modify VLAN operation " + "in filtering objective", deviceId);
                            fail(filt, ObjectiveError.BADPARAMS);
                            return;
                        }
                        popVlan = true;
                    }
                }
                if (i instanceof ModVlanIdInstruction) {
                    if (pushVlan && vlanIdCriterion.vlanId() != VlanId.NONE) {
                        // Modify VLAN should not appear after pushing a new tag
                        if (pushedVlan != null) {
                            log.error("Modify VLAN not allowed after push tag operation " + "in filtering objective", deviceId);
                            fail(filt, ObjectiveError.BADPARAMS);
                            return;
                        }
                        pushedVlan = ((ModVlanIdInstruction) i).vlanId();
                    } else if (vlanIdCriterion.vlanId() == VlanId.NONE) {
                        // For untagged packets the pushed VLAN ID will be saved in assignedVlan
                        // just to ensure the driver works as designed for the fabric use case
                        assignedVlan = ((ModVlanIdInstruction) i).vlanId();
                    } else {
                        // For tagged packets modifiedVlan will contain the modified value of existing tag
                        if (modifiedVlan != null) {
                            log.error("Driver does not allow multiple modify VLAN operations " + "in the same filtering objective", deviceId);
                            fail(filt, ObjectiveError.BADPARAMS);
                            return;
                        }
                        modifiedVlan = ((ModVlanIdInstruction) i).vlanId();
                    }
                }
            }
        }
        // For VLAN cross-connect packets, use the configured VLAN unless there is an explicitly provided VLAN ID
        if (vlanIdCriterion.vlanId() != VlanId.NONE) {
            if (assignedVlan == null) {
                assignedVlan = vlanIdCriterion.vlanId();
            }
        // For untagged packets, assign a VLAN ID
        } else {
            if (filt.meta() == null) {
                log.error("Missing metadata in filtering objective required " + "for vlan assignment in dev {}", deviceId);
                fail(filt, ObjectiveError.BADPARAMS);
                return;
            }
            if (assignedVlan == null) {
                log.error("Driver requires an assigned vlan-id to tag incoming " + "untagged packets. Not processing vlan filters on " + "device {}", deviceId);
                fail(filt, ObjectiveError.BADPARAMS);
                return;
            }
        }
        if (pushVlan && popVlan) {
            log.error("Cannot push and pop vlan in the same filtering objective");
            fail(filt, ObjectiveError.BADPARAMS);
            return;
        }
        if (popVlan && vlanIdCriterion.vlanId() == VlanId.NONE) {
            log.error("Cannot pop vlan for untagged packets");
            fail(filt, ObjectiveError.BADPARAMS);
            return;
        }
        if ((pushVlan && pushedVlan == null) && vlanIdCriterion.vlanId() != VlanId.NONE) {
            log.error("No VLAN ID provided for push tag operation");
            fail(filt, ObjectiveError.BADPARAMS);
            return;
        }
    }
    if (ethCriterion == null) {
        log.debug("filtering objective missing dstMac, cannot program TMAC table");
    } else {
        for (FlowRule tmacRule : processEthDstFilter(ethCriterion, vlanIdCriterion, filt, assignedVlan, applicationId)) {
            log.debug("adding MAC filtering rules in TMAC table: {} for dev: {}", tmacRule, deviceId);
            ops = install ? ops.add(tmacRule) : ops.remove(tmacRule);
        }
    }
    if (vlanIdCriterion == null) {
        log.debug("filtering objective missing VLAN ID criterion, " + "cannot program VLAN Table");
    } else {
        for (FlowRule vlanRule : processVlanIdFilter(vlanIdCriterion, filt, assignedVlan, modifiedVlan, pushedVlan, pushVlan, popVlan, applicationId)) {
            log.debug("adding VLAN filtering rule in VLAN table: {} for dev: {}", vlanRule, deviceId);
            ops = install ? ops.add(vlanRule) : ops.remove(vlanRule);
        }
    }
    // apply filtering flow rules
    flowRuleService.apply(ops.build(new FlowRuleOperationsContext() {

        @Override
        public void onSuccess(FlowRuleOperations ops) {
            pass(filt);
            log.debug("Provisioned tables in {} with fitering " + "rules", deviceId);
        }

        @Override
        public void onError(FlowRuleOperations ops) {
            fail(filt, ObjectiveError.FLOWINSTALLATIONFAILED);
            log.warn("Failed to provision tables in {} with " + "fitering rules", deviceId);
        }
    }));
}

Example 85 with Instruction

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

the class DefaultVirtualFlowRuleProviderTest method devirtualizeFlowRuleWithoutInPort.

@Test
public void devirtualizeFlowRuleWithoutInPort() {
    TrafficSelector ts = DefaultTrafficSelector.builder().build();
    TrafficTreatment tr = DefaultTrafficTreatment.builder().setOutput(PORT_NUM2).build();
    FlowRule r1 = DefaultFlowRule.builder().forDevice(VDID).withSelector(ts).withTreatment(tr).withPriority(10).fromApp(vAppId).makeTemporary(TIMEOUT).build();
    virtualProvider.applyFlowRule(VNET_ID, r1);
    assertEquals("3 rules should exist", 3, virtualProvider.flowRuleService.getFlowRuleCount());
    FlowRule inFromDID1 = null;
    FlowRule inFromDID2 = null;
    FlowRule out = null;
    Set<FlowEntry> phyRules = new HashSet<>();
    for (FlowEntry i : virtualProvider.flowRuleService.getFlowEntries(DID1)) {
        phyRules.add(i);
    }
    for (FlowEntry i : virtualProvider.flowRuleService.getFlowEntries(DID2)) {
        phyRules.add(i);
    }
    for (FlowRule rule : phyRules) {
        for (Instruction inst : rule.treatment().allInstructions()) {
            if (inst.type() == Instruction.Type.L2MODIFICATION) {
                L2ModificationInstruction i = (L2ModificationInstruction) inst;
                if (i.subtype() == L2ModificationInstruction.L2SubType.VLAN_PUSH) {
                    inFromDID1 = rule;
                    break;
                } else {
                    out = rule;
                    break;
                }
            } else {
                inFromDID2 = rule;
                break;
            }
        }
    }
    assertEquals(DID1, inFromDID1.deviceId());
    assertEquals(DID2, inFromDID2.deviceId());
    assertEquals(DID2, out.deviceId());
}