Examples with Match org.projectfloodlight.openflow.protocol.match.Match used on opensource projects

Example 21 with Match

use of org.projectfloodlight.openflow.protocol.match.Match in project open-kilda by telstra.

the class OfMatchConverterTest method testConvertMatchMasked.

@Test
public void testConvertMatchMasked() {
    OFFactoryVer13 factory = new OFFactoryVer13();
    Set<FieldMatch> matchSet = new HashSet<>();
    matchSet.add(FieldMatch.builder().field(Field.ETH_TYPE).value(0x0800L).mask(0x0800L).build());
    matchSet.add(FieldMatch.builder().field(Field.ETH_SRC).value(1).mask(1L).build());
    matchSet.add(FieldMatch.builder().field(Field.ETH_DST).value(2).mask(2L).build());
    matchSet.add(FieldMatch.builder().field(Field.IP_PROTO).value(17).mask(17L).build());
    matchSet.add(FieldMatch.builder().field(Field.UDP_SRC).value(11).mask(11L).build());
    matchSet.add(FieldMatch.builder().field(Field.UDP_DST).value(22).mask(22L).build());
    matchSet.add(FieldMatch.builder().field(Field.IN_PORT).value(333).mask(333L).build());
    matchSet.add(FieldMatch.builder().field(Field.METADATA).value(44).mask(44L).build());
    matchSet.add(FieldMatch.builder().field(Field.VLAN_VID).value(3000).mask(3000L).build());
    matchSet.add(FieldMatch.builder().field(Field.NOVIFLOW_TUNNEL_ID).value(321).mask(321L).build());
    Match match = OfMatchConverter.INSTANCE.convertMatch(matchSet, factory);
    Masked<EthType> ethTypeMasked = match.getMasked(MatchField.ETH_TYPE);
    assertEquals(0x800, ethTypeMasked.getValue().getValue());
    assertEquals(0x800, ethTypeMasked.getMask().getValue());
    Masked<MacAddress> ethSrcMasked = match.getMasked(MatchField.ETH_SRC);
    assertEquals(MacAddress.of(1), ethSrcMasked.getValue());
    assertEquals(MacAddress.of(1), ethSrcMasked.getMask());
    Masked<MacAddress> ethDstMasked = match.getMasked(MatchField.ETH_DST);
    assertEquals(MacAddress.of(2), ethDstMasked.getValue());
    assertEquals(MacAddress.of(2), ethDstMasked.getMask());
    Masked<IpProtocol> ipProtoMasked = match.getMasked(MatchField.IP_PROTO);
    assertEquals(IpProtocol.of((short) 17), ipProtoMasked.getValue());
    assertEquals(IpProtocol.of((short) 17), ipProtoMasked.getMask());
    Masked<TransportPort> udpSrcMasked = match.getMasked(MatchField.UDP_SRC);
    assertEquals(TransportPort.of(11), udpSrcMasked.getValue());
    assertEquals(TransportPort.of(11), udpSrcMasked.getMask());
    Masked<TransportPort> udpDstMasked = match.getMasked(MatchField.UDP_DST);
    assertEquals(TransportPort.of(22), udpDstMasked.getValue());
    assertEquals(TransportPort.of(22), udpDstMasked.getMask());
    Masked<OFPort> inPortMasked = match.getMasked(MatchField.IN_PORT);
    assertEquals(OFPort.of(333), inPortMasked.getValue());
    assertEquals(OFPort.of(333), inPortMasked.getMask());
    Masked<OFMetadata> metadataMasked = match.getMasked(MatchField.METADATA);
    assertEquals(OFMetadata.of(U64.of(44)), metadataMasked.getValue());
    assertEquals(OFMetadata.of(U64.of(44)), metadataMasked.getMask());
    Masked<OFVlanVidMatch> vlanVidMasked = match.getMasked(MatchField.VLAN_VID);
    assertEquals(OFVlanVidMatch.ofVlan(3000), vlanVidMasked.getValue());
    assertEquals(OFVlanVidMatch.ofVlan(3000), vlanVidMasked.getMask());
    Masked<U64> tunnelIdMasked = match.getMasked(MatchField.TUNNEL_ID);
    assertEquals(U64.of(321), tunnelIdMasked.getValue());
    assertEquals(U64.of(321), tunnelIdMasked.getMask());
}

Example 22 with Match

use of org.projectfloodlight.openflow.protocol.match.Match in project open-kilda by telstra.

the class OfFlowPresenceVerifierTest method testInaccurateSetFieldVlanVidAction.

public OfFlowPresenceVerifier testInaccurateSetFieldVlanVidAction(Set<SwitchFeature> switchFeatures) {
    OFFactory of = new OFFactoryVer13();
    final int priority = 1000;
    final U64 cookie = U64.of(2000);
    final Match match = of.buildMatch().setExact(MatchField.IN_PORT, OFPort.of(1)).build();
    final short vlanId = 512;
    OFFlowStatsEntry switchResponseEntry = of.buildFlowStatsEntry().setTableId(TableId.of(0)).setPriority(priority).setCookie(cookie).setMatch(match).setInstructions(Collections.singletonList(of.instructions().applyActions(Collections.singletonList(of.actions().setField(of.oxms().vlanVid(OFVlanVidMatch.ofRawVid(vlanId))))))).build();
    CompletableFuture<List<OFFlowStatsEntry>> switchFlowStatsResponse = CompletableFuture.completedFuture(Collections.singletonList(switchResponseEntry));
    EasyMock.expect(dumpProducer.getTableRequests()).andReturn(Collections.singletonList(switchFlowStatsResponse));
    replayAll();
    OFFlowAdd expected = of.buildFlowAdd().setPriority(priority).setCookie(cookie).setMatch(match).setInstructions(Collections.singletonList(of.instructions().applyActions(Collections.singletonList(OfAdapter.INSTANCE.setVlanIdAction(of, 512))))).build();
    OfFlowPresenceVerifier presenceVerifier = new OfFlowPresenceVerifier(dumpProducer, Collections.singletonList(expected), switchFeatures);
    Assert.assertTrue(presenceVerifier.getFinish().isDone());
    return presenceVerifier;
}

Example 23 with Match

use of org.projectfloodlight.openflow.protocol.match.Match in project onos by opennetworkinglab.

the class FlowModBuilder method buildMatch.

/**
 * Builds the match for the flow mod.
 *
 * @return the match
 */
// CHECKSTYLE IGNORE MethodLength FOR NEXT 300 LINES
protected Match buildMatch() {
    Match.Builder mBuilder = factory.buildMatch();
    Ip6Address ip6Address;
    Ip4Prefix ip4Prefix;
    Ip6Prefix ip6Prefix;
    EthCriterion ethCriterion;
    IPCriterion ipCriterion;
    TcpPortCriterion tcpPortCriterion;
    UdpPortCriterion udpPortCriterion;
    SctpPortCriterion sctpPortCriterion;
    IPv6NDLinkLayerAddressCriterion llAddressCriterion;
    ArpHaCriterion arpHaCriterion;
    ArpPaCriterion arpPaCriterion;
    for (Criterion c : selector.criteria()) {
        switch(c.type()) {
            case IN_PORT:
                PortCriterion inPort = (PortCriterion) c;
                mBuilder.setExact(MatchField.IN_PORT, OFPort.of((int) inPort.port().toLong()));
                break;
            case IN_PHY_PORT:
                PortCriterion inPhyPort = (PortCriterion) c;
                mBuilder.setExact(MatchField.IN_PORT, OFPort.of((int) inPhyPort.port().toLong()));
                break;
            case METADATA:
                MetadataCriterion metadata = (MetadataCriterion) c;
                mBuilder.setExact(MatchField.METADATA, OFMetadata.ofRaw(metadata.metadata()));
                break;
            case ETH_DST:
                ethCriterion = (EthCriterion) c;
                mBuilder.setExact(MatchField.ETH_DST, MacAddress.of(ethCriterion.mac().toLong()));
                break;
            case ETH_DST_MASKED:
                ethCriterion = (EthCriterion) c;
                mBuilder.setMasked(MatchField.ETH_DST, MacAddress.of(ethCriterion.mac().toLong()), MacAddress.of(ethCriterion.mask().toLong()));
                break;
            case ETH_SRC:
                ethCriterion = (EthCriterion) c;
                mBuilder.setExact(MatchField.ETH_SRC, MacAddress.of(ethCriterion.mac().toLong()));
                break;
            case ETH_SRC_MASKED:
                ethCriterion = (EthCriterion) c;
                mBuilder.setMasked(MatchField.ETH_SRC, MacAddress.of(ethCriterion.mac().toLong()), MacAddress.of(ethCriterion.mask().toLong()));
                break;
            case ETH_TYPE:
                EthTypeCriterion ethType = (EthTypeCriterion) c;
                mBuilder.setExact(MatchField.ETH_TYPE, EthType.of(ethType.ethType().toShort()));
                break;
            case VLAN_VID:
                VlanIdCriterion vid = (VlanIdCriterion) c;
                if (vid.vlanId().equals(VlanId.ANY)) {
                    mBuilder.setMasked(MatchField.VLAN_VID, OFVlanVidMatch.PRESENT, OFVlanVidMatch.PRESENT);
                } else if (vid.vlanId().equals(VlanId.NONE)) {
                    mBuilder.setExact(MatchField.VLAN_VID, OFVlanVidMatch.NONE);
                } else {
                    mBuilder.setExact(MatchField.VLAN_VID, OFVlanVidMatch.ofVlanVid(VlanVid.ofVlan(vid.vlanId().toShort())));
                }
                break;
            case VLAN_PCP:
                VlanPcpCriterion vpcp = (VlanPcpCriterion) c;
                mBuilder.setExact(MatchField.VLAN_PCP, VlanPcp.of(vpcp.priority()));
                break;
            case IP_DSCP:
                IPDscpCriterion ipDscpCriterion = (IPDscpCriterion) c;
                mBuilder.setExact(MatchField.IP_DSCP, IpDscp.of(ipDscpCriterion.ipDscp()));
                break;
            case IP_ECN:
                IPEcnCriterion ipEcnCriterion = (IPEcnCriterion) c;
                mBuilder.setExact(MatchField.IP_ECN, IpEcn.of(ipEcnCriterion.ipEcn()));
                break;
            case IP_PROTO:
                IPProtocolCriterion p = (IPProtocolCriterion) c;
                mBuilder.setExact(MatchField.IP_PROTO, IpProtocol.of(p.protocol()));
                break;
            case IPV4_SRC:
                ipCriterion = (IPCriterion) c;
                ip4Prefix = ipCriterion.ip().getIp4Prefix();
                if (ip4Prefix.prefixLength() != Ip4Prefix.MAX_MASK_LENGTH) {
                    Ip4Address maskAddr = Ip4Address.makeMaskPrefix(ip4Prefix.prefixLength());
                    Masked<IPv4Address> maskedIp = Masked.of(IPv4Address.of(ip4Prefix.address().toInt()), IPv4Address.of(maskAddr.toInt()));
                    mBuilder.setMasked(MatchField.IPV4_SRC, maskedIp);
                } else {
                    mBuilder.setExact(MatchField.IPV4_SRC, IPv4Address.of(ip4Prefix.address().toInt()));
                }
                break;
            case IPV4_DST:
                ipCriterion = (IPCriterion) c;
                ip4Prefix = ipCriterion.ip().getIp4Prefix();
                if (ip4Prefix.prefixLength() != Ip4Prefix.MAX_MASK_LENGTH) {
                    Ip4Address maskAddr = Ip4Address.makeMaskPrefix(ip4Prefix.prefixLength());
                    Masked<IPv4Address> maskedIp = Masked.of(IPv4Address.of(ip4Prefix.address().toInt()), IPv4Address.of(maskAddr.toInt()));
                    mBuilder.setMasked(MatchField.IPV4_DST, maskedIp);
                } else {
                    mBuilder.setExact(MatchField.IPV4_DST, IPv4Address.of(ip4Prefix.address().toInt()));
                }
                break;
            case TCP_SRC:
                tcpPortCriterion = (TcpPortCriterion) c;
                mBuilder.setExact(MatchField.TCP_SRC, TransportPort.of(tcpPortCriterion.tcpPort().toInt()));
                break;
            case TCP_SRC_MASKED:
                tcpPortCriterion = (TcpPortCriterion) c;
                mBuilder.setMasked(MatchField.TCP_SRC, TransportPort.of(tcpPortCriterion.tcpPort().toInt()), TransportPort.of(tcpPortCriterion.mask().toInt()));
                break;
            case TCP_DST:
                tcpPortCriterion = (TcpPortCriterion) c;
                mBuilder.setExact(MatchField.TCP_DST, TransportPort.of(tcpPortCriterion.tcpPort().toInt()));
                break;
            case TCP_DST_MASKED:
                tcpPortCriterion = (TcpPortCriterion) c;
                mBuilder.setMasked(MatchField.TCP_DST, TransportPort.of(tcpPortCriterion.tcpPort().toInt()), TransportPort.of(tcpPortCriterion.mask().toInt()));
                break;
            case UDP_SRC:
                udpPortCriterion = (UdpPortCriterion) c;
                mBuilder.setExact(MatchField.UDP_SRC, TransportPort.of(udpPortCriterion.udpPort().toInt()));
                break;
            case UDP_SRC_MASKED:
                udpPortCriterion = (UdpPortCriterion) c;
                mBuilder.setMasked(MatchField.UDP_SRC, TransportPort.of(udpPortCriterion.udpPort().toInt()), TransportPort.of(udpPortCriterion.mask().toInt()));
                break;
            case UDP_DST:
                udpPortCriterion = (UdpPortCriterion) c;
                mBuilder.setExact(MatchField.UDP_DST, TransportPort.of(udpPortCriterion.udpPort().toInt()));
                break;
            case UDP_DST_MASKED:
                udpPortCriterion = (UdpPortCriterion) c;
                mBuilder.setMasked(MatchField.UDP_DST, TransportPort.of(udpPortCriterion.udpPort().toInt()), TransportPort.of(udpPortCriterion.mask().toInt()));
                break;
            case SCTP_SRC:
                sctpPortCriterion = (SctpPortCriterion) c;
                mBuilder.setExact(MatchField.SCTP_SRC, TransportPort.of(sctpPortCriterion.sctpPort().toInt()));
                break;
            case SCTP_SRC_MASKED:
                sctpPortCriterion = (SctpPortCriterion) c;
                mBuilder.setMasked(MatchField.SCTP_SRC, TransportPort.of(sctpPortCriterion.sctpPort().toInt()), TransportPort.of(sctpPortCriterion.mask().toInt()));
                break;
            case SCTP_DST:
                sctpPortCriterion = (SctpPortCriterion) c;
                mBuilder.setExact(MatchField.SCTP_DST, TransportPort.of(sctpPortCriterion.sctpPort().toInt()));
                break;
            case SCTP_DST_MASKED:
                sctpPortCriterion = (SctpPortCriterion) c;
                mBuilder.setMasked(MatchField.SCTP_DST, TransportPort.of(sctpPortCriterion.sctpPort().toInt()), TransportPort.of(sctpPortCriterion.mask().toInt()));
                break;
            case ICMPV4_TYPE:
                IcmpTypeCriterion icmpType = (IcmpTypeCriterion) c;
                mBuilder.setExact(MatchField.ICMPV4_TYPE, ICMPv4Type.of(icmpType.icmpType()));
                break;
            case ICMPV4_CODE:
                IcmpCodeCriterion icmpCode = (IcmpCodeCriterion) c;
                mBuilder.setExact(MatchField.ICMPV4_CODE, ICMPv4Code.of(icmpCode.icmpCode()));
                break;
            case IPV6_SRC:
                ipCriterion = (IPCriterion) c;
                ip6Prefix = ipCriterion.ip().getIp6Prefix();
                if (ip6Prefix.prefixLength() != Ip6Prefix.MAX_MASK_LENGTH) {
                    Ip6Address maskAddr = Ip6Address.makeMaskPrefix(ip6Prefix.prefixLength());
                    Masked<IPv6Address> maskedIp = Masked.of(IPv6Address.of(ip6Prefix.address().toString()), IPv6Address.of(maskAddr.toString()));
                    mBuilder.setMasked(MatchField.IPV6_SRC, maskedIp);
                } else {
                    mBuilder.setExact(MatchField.IPV6_SRC, IPv6Address.of(ip6Prefix.address().toString()));
                }
                break;
            case IPV6_DST:
                ipCriterion = (IPCriterion) c;
                ip6Prefix = ipCriterion.ip().getIp6Prefix();
                if (ip6Prefix.prefixLength() != Ip6Prefix.MAX_MASK_LENGTH) {
                    Ip6Address maskAddr = Ip6Address.makeMaskPrefix(ip6Prefix.prefixLength());
                    Masked<IPv6Address> maskedIp = Masked.of(IPv6Address.of(ip6Prefix.address().toString()), IPv6Address.of(maskAddr.toString()));
                    mBuilder.setMasked(MatchField.IPV6_DST, maskedIp);
                } else {
                    mBuilder.setExact(MatchField.IPV6_DST, IPv6Address.of(ip6Prefix.address().toString()));
                }
                break;
            case IPV6_FLABEL:
                IPv6FlowLabelCriterion flowLabelCriterion = (IPv6FlowLabelCriterion) c;
                mBuilder.setExact(MatchField.IPV6_FLABEL, IPv6FlowLabel.of(flowLabelCriterion.flowLabel()));
                break;
            case ICMPV6_TYPE:
                Icmpv6TypeCriterion icmpv6Type = (Icmpv6TypeCriterion) c;
                mBuilder.setExact(MatchField.ICMPV6_TYPE, U8.of(icmpv6Type.icmpv6Type()));
                break;
            case ICMPV6_CODE:
                Icmpv6CodeCriterion icmpv6Code = (Icmpv6CodeCriterion) c;
                mBuilder.setExact(MatchField.ICMPV6_CODE, U8.of(icmpv6Code.icmpv6Code()));
                break;
            case IPV6_ND_TARGET:
                IPv6NDTargetAddressCriterion targetAddressCriterion = (IPv6NDTargetAddressCriterion) c;
                ip6Address = targetAddressCriterion.targetAddress();
                mBuilder.setExact(MatchField.IPV6_ND_TARGET, IPv6Address.of(ip6Address.toOctets()));
                break;
            case IPV6_ND_SLL:
                llAddressCriterion = (IPv6NDLinkLayerAddressCriterion) c;
                mBuilder.setExact(MatchField.IPV6_ND_SLL, MacAddress.of(llAddressCriterion.mac().toLong()));
                break;
            case IPV6_ND_TLL:
                llAddressCriterion = (IPv6NDLinkLayerAddressCriterion) c;
                mBuilder.setExact(MatchField.IPV6_ND_TLL, MacAddress.of(llAddressCriterion.mac().toLong()));
                break;
            case MPLS_LABEL:
                MplsCriterion mp = (MplsCriterion) c;
                mBuilder.setExact(MatchField.MPLS_LABEL, U32.of(mp.label().toInt()));
                break;
            case IPV6_EXTHDR:
                IPv6ExthdrFlagsCriterion exthdrFlagsCriterion = (IPv6ExthdrFlagsCriterion) c;
                mBuilder.setExact(MatchField.IPV6_EXTHDR, U16.of(exthdrFlagsCriterion.exthdrFlags()));
                break;
            case OCH_SIGID:
                try {
                    OchSignalCriterion ochSignalCriterion = (OchSignalCriterion) c;
                    OchSignal signal = ochSignalCriterion.lambda();
                    byte gridType = OpenFlowValueMapper.lookupGridType(signal.gridType());
                    byte channelSpacing = OpenFlowValueMapper.lookupChannelSpacing(signal.channelSpacing());
                    mBuilder.setExact(MatchField.EXP_OCH_SIG_ID, new CircuitSignalID(gridType, channelSpacing, (short) signal.spacingMultiplier(), (short) signal.slotGranularity()));
                } catch (NoMappingFoundException e) {
                    log.warn(e.getMessage());
                }
                break;
            case OCH_SIGTYPE:
                try {
                    OchSignalTypeCriterion sc = (OchSignalTypeCriterion) c;
                    byte signalType = OpenFlowValueMapper.lookupOchSignalType(sc.signalType());
                    mBuilder.setExact(MatchField.EXP_OCH_SIGTYPE, U8.of(signalType));
                } catch (NoMappingFoundException e) {
                    log.warn(e.getMessage());
                }
                break;
            case ODU_SIGID:
                OduSignalIdCriterion oduSignalIdCriterion = (OduSignalIdCriterion) c;
                OduSignalId oduSignalId = oduSignalIdCriterion.oduSignalId();
                mBuilder.setExact(MatchField.EXP_ODU_SIG_ID, new OduSignalID((short) oduSignalId.tributaryPortNumber(), (short) oduSignalId.tributarySlotLength(), oduSignalId.tributarySlotBitmap()));
                break;
            case ODU_SIGTYPE:
                try {
                    OduSignalTypeCriterion oduSignalTypeCriterion = (OduSignalTypeCriterion) c;
                    byte oduSigType = OpenFlowValueMapper.lookupOduSignalType(oduSignalTypeCriterion.signalType());
                    mBuilder.setExact(MatchField.EXP_ODU_SIGTYPE, U8.of(oduSigType));
                } catch (NoMappingFoundException e) {
                    log.warn(e.getMessage());
                }
                break;
            case TUNNEL_ID:
                TunnelIdCriterion tunnelId = (TunnelIdCriterion) c;
                mBuilder.setExact(MatchField.TUNNEL_ID, U64.of(tunnelId.tunnelId()));
                break;
            case MPLS_BOS:
                MplsBosCriterion mplsBos = (MplsBosCriterion) c;
                mBuilder.setExact(MatchField.MPLS_BOS, mplsBos.mplsBos() ? OFBooleanValue.TRUE : OFBooleanValue.FALSE);
                break;
            case ARP_OP:
                ArpOpCriterion arpOp = (ArpOpCriterion) c;
                mBuilder.setExact(MatchField.ARP_OP, ArpOpcode.of(arpOp.arpOp()));
                break;
            case ARP_SHA:
                arpHaCriterion = (ArpHaCriterion) c;
                mBuilder.setExact(MatchField.ARP_SHA, MacAddress.of(arpHaCriterion.mac().toLong()));
                break;
            case ARP_SPA:
                arpPaCriterion = (ArpPaCriterion) c;
                mBuilder.setExact(MatchField.ARP_SPA, IPv4Address.of(arpPaCriterion.ip().toInt()));
                break;
            case ARP_THA:
                arpHaCriterion = (ArpHaCriterion) c;
                mBuilder.setExact(MatchField.ARP_THA, MacAddress.of(arpHaCriterion.mac().toLong()));
                break;
            case ARP_TPA:
                arpPaCriterion = (ArpPaCriterion) c;
                mBuilder.setExact(MatchField.ARP_TPA, IPv4Address.of(arpPaCriterion.ip().toInt()));
                break;
            case EXTENSION:
                ExtensionCriterion extensionCriterion = (ExtensionCriterion) c;
                OFOxm oxm = buildExtensionOxm(extensionCriterion.extensionSelector());
                if (oxm == null) {
                    log.warn("Unable to build extension selector");
                    break;
                }
                if (oxm.isMasked()) {
                    mBuilder.setMasked(oxm.getMatchField(), oxm.getValue(), oxm.getMask());
                } else {
                    mBuilder.setExact(oxm.getMatchField(), oxm.getValue());
                }
                break;
            case MPLS_TC:
            case PBB_ISID:
            // TODO: need to implement PBB-ISID case when OpenFlowJ is ready
            default:
                log.warn("Match type {} not yet implemented.", c.type());
        }
    }
    return mBuilder.build();
}

Example 24 with Match

use of org.projectfloodlight.openflow.protocol.match.Match in project onos by opennetworkinglab.

the class FlowModBuilderVer10 method buildFlowAdd.

@Override
public OFFlowAdd buildFlowAdd() {
    Match match = buildMatch();
    List<OFAction> actions = buildActions();
    long cookie = flowRule().id().value();
    OFFlowAdd fm = factory().buildFlowAdd().setXid(xid).setCookie(U64.of(cookie)).setBufferId(OFBufferId.NO_BUFFER).setActions(actions).setMatch(match).setFlags(Collections.singleton(OFFlowModFlags.SEND_FLOW_REM)).setPriority(flowRule().priority()).setHardTimeout(flowRule().hardTimeout()).build();
    return fm;
}

Example 25 with Match

use of org.projectfloodlight.openflow.protocol.match.Match in project onos by opennetworkinglab.

the class FlowModBuilderVer10 method buildFlowMod.

@Override
public OFFlowMod buildFlowMod() {
    Match match = buildMatch();
    List<OFAction> actions = buildActions();
    long cookie = flowRule().id().value();
    OFFlowMod fm = factory().buildFlowModify().setXid(xid).setCookie(U64.of(cookie)).setBufferId(OFBufferId.NO_BUFFER).setActions(actions).setMatch(match).setFlags(Collections.singleton(OFFlowModFlags.SEND_FLOW_REM)).setPriority(flowRule().priority()).setHardTimeout(flowRule().hardTimeout()).build();
    return fm;
}