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

Example 26 with PiCriterion

use of org.onosproject.net.flow.criteria.PiCriterion in project fabric-tna by stratum.

the class FabricUpfTranslator method gtpTunnelPeerToFabricEntry.

/**
 * Translate a UpfGtpTunnelPeer to two FlowRules to be inserted into the fabric.p4 pipeline.
 *
 * @param gtpTunnelPeer the GTP tunnel peer to be translated
 * @param deviceId      the ID of the device the FlowRule should be installed on
 * @param appId         the ID of the application that will insert the FlowRule
 * @param priority      the FlowRules' priority
 * @return a pair of FlowRules translated from GTP tunnel peer
 * @throws UpfProgrammableException if the interface cannot be translated
 */
public Pair<FlowRule, FlowRule> gtpTunnelPeerToFabricEntry(UpfGtpTunnelPeer gtpTunnelPeer, DeviceId deviceId, ApplicationId appId, int priority) throws UpfProgrammableException {
    FlowRule ingressEntry;
    FlowRule egressEntry;
    if (gtpTunnelPeer.src() == null || gtpTunnelPeer.dst() == null) {
        throw new UpfProgrammableException("Not all action parameters present when translating " + "intermediate GTP tunnel peer to physical representation!");
    }
    PiCriterion match = PiCriterion.builder().matchExact(HDR_TUN_PEER_ID, gtpTunnelPeer.tunPeerId()).build();
    FlowRule.Builder base = DefaultFlowRule.builder().forDevice(deviceId).fromApp(appId).makePermanent().withPriority(priority).withSelector(DefaultTrafficSelector.builder().matchPi(match).build());
    PiAction ingressAction = PiAction.builder().withId(FABRIC_INGRESS_UPF_SET_ROUTING_IPV4_DST).withParameter(new PiActionParam(TUN_DST_ADDR, gtpTunnelPeer.dst().toInt())).build();
    ingressEntry = base.forTable(FABRIC_INGRESS_UPF_IG_TUNNEL_PEERS).withTreatment(DefaultTrafficTreatment.builder().piTableAction(ingressAction).build()).build();
    PiAction egressAction = PiAction.builder().withId(FABRIC_EGRESS_UPF_LOAD_TUNNEL_PARAMS).withParameters(Arrays.asList(new PiActionParam(TUNNEL_SRC_ADDR, gtpTunnelPeer.src().toInt()), new PiActionParam(TUNNEL_DST_ADDR, gtpTunnelPeer.dst().toInt()), new PiActionParam(TUNNEL_SRC_PORT, gtpTunnelPeer.srcPort()))).build();
    egressEntry = base.forTable(FABRIC_EGRESS_UPF_EG_TUNNEL_PEERS).withTreatment(DefaultTrafficTreatment.builder().piTableAction(egressAction).build()).build();
    return Pair.of(ingressEntry, egressEntry);
}

Example 27 with PiCriterion

use of org.onosproject.net.flow.criteria.PiCriterion in project fabric-tna by stratum.

the class FabricUpfTranslator method fabricEntryToUpfTerminationUplink.

/**
 * Translate a fabric.p4 termination table entry to a uplink UpfTermination instance for easier handling.
 *
 * @param entry the fabric.p4 entry to translate
 * @return the corresponding UpfTerminationUplink
 * @throws UpfProgrammableException if the entry cannot be translated
 */
public UpfTerminationUplink fabricEntryToUpfTerminationUplink(FlowRule entry) throws UpfProgrammableException {
    assertTableId(entry, FABRIC_INGRESS_UPF_UPLINK_TERMINATIONS);
    UpfTerminationUplink.Builder builder = UpfTerminationUplink.builder();
    Pair<PiCriterion, PiTableAction> matchActionPair = FabricUpfTranslatorUtil.fabricEntryToPiPair(entry);
    PiCriterion match = matchActionPair.getLeft();
    PiAction action = (PiAction) matchActionPair.getRight();
    if (!FabricUpfTranslatorUtil.fieldIsPresent(match, HDR_UE_SESSION_ID) || !FabricUpfTranslatorUtil.fieldIsPresent(match, HDR_APP_ID)) {
        throw new UpfProgrammableException("Malformed uplink termination from dataplane!: " + entry);
    }
    // Match keys
    Ip4Address ueSessionId = FabricUpfTranslatorUtil.getFieldAddress(match, HDR_UE_SESSION_ID);
    builder.withUeSessionId(ueSessionId);
    byte applicationId = FabricUpfTranslatorUtil.getFieldByte(match, HDR_APP_ID);
    builder.withApplicationId(applicationId);
    PiActionId actionId = action.id();
    builder.withCounterId(FabricUpfTranslatorUtil.getParamInt(action, CTR_ID));
    if (actionId.equals(FABRIC_INGRESS_UPF_UPLINK_DROP)) {
        builder.needsDropping(true);
    } else {
        builder.withAppMeterIdx(FabricUpfTranslatorUtil.getParamShort(action, APP_METER_IDX));
        if (actionId.equals(FABRIC_INGRESS_UPF_APP_FWD)) {
            builder.withTrafficClass(FabricUpfTranslatorUtil.getParamByte(action, TC));
        }
    }
    return builder.build();
}

Example 28 with PiCriterion

use of org.onosproject.net.flow.criteria.PiCriterion in project fabric-tna by stratum.

the class FabricUpfTranslator method sessionDownlinkToFabricEntry.

/**
 * Translate a downlink session to a FlowRule to be inserted into the fabric.p4 pipeline.
 *
 * @param ueSession The downlink UE Session to be translated
 * @param deviceId  the ID of the device the FlowRule should be installed on
 * @param appId     the ID of the application that will insert the FlowRule
 * @param priority  the FlowRule's priority
 * @return the downlink ue session translated to a FlowRule
 * @throws UpfProgrammableException if the UE session cannot be translated
 */
public FlowRule sessionDownlinkToFabricEntry(UpfSessionDownlink ueSession, DeviceId deviceId, ApplicationId appId, int priority) throws UpfProgrammableException {
    final PiCriterion match;
    final PiAction.Builder actionBuilder = PiAction.builder();
    match = PiCriterion.builder().matchExact(HDR_UE_ADDR, ueSession.ueAddress().toOctets()).build();
    if (ueSession.needsDropping() && ueSession.needsBuffering()) {
        actionBuilder.withId(FABRIC_INGRESS_UPF_SET_DOWNLINK_SESSION_BUF_DROP);
    } else if (ueSession.needsDropping()) {
        actionBuilder.withId(FABRIC_INGRESS_UPF_SET_DOWNLINK_SESSION_DROP);
    } else {
        actionBuilder.withParameter(new PiActionParam(TUN_PEER_ID, ueSession.tunPeerId())).withParameter(new PiActionParam(SESSION_METER_IDX, (short) ueSession.sessionMeterIdx()));
        if (ueSession.needsBuffering()) {
            actionBuilder.withId(FABRIC_INGRESS_UPF_SET_DOWNLINK_SESSION_BUF);
        } else {
            actionBuilder.withId(FABRIC_INGRESS_UPF_SET_DOWNLINK_SESSION);
        }
    }
    return DefaultFlowRule.builder().forDevice(deviceId).fromApp(appId).makePermanent().forTable(FABRIC_INGRESS_UPF_DOWNLINK_SESSIONS).withSelector(DefaultTrafficSelector.builder().matchPi(match).build()).withTreatment(DefaultTrafficTreatment.builder().piTableAction(actionBuilder.build()).build()).withPriority(priority).build();
}

Example 29 with PiCriterion

use of org.onosproject.net.flow.criteria.PiCriterion in project fabric-tna by stratum.

the class FabricUpfTranslator method fabricEntryToUpfApplication.

public UpfApplication fabricEntryToUpfApplication(FlowRule entry) throws UpfProgrammableException {
    assertTableId(entry, FABRIC_INGRESS_UPF_APPLICATIONS);
    Pair<PiCriterion, PiTableAction> matchActionPair = FabricUpfTranslatorUtil.fabricEntryToPiPair(entry);
    PiCriterion match = matchActionPair.getLeft();
    PiAction action = (PiAction) matchActionPair.getRight();
    UpfApplication.Builder appFilteringBuilder = UpfApplication.builder().withAppId(FabricUpfTranslatorUtil.getParamByte(action, APP_ID)).withSliceId(FabricUpfTranslatorUtil.getFieldInt(match, HDR_SLICE_ID)).withPriority(entry.priority());
    if (FabricUpfTranslatorUtil.fieldIsPresent(match, HDR_APP_IPV4_ADDR)) {
        appFilteringBuilder.withIp4Prefix(FabricUpfTranslatorUtil.getFieldPrefix(match, HDR_APP_IPV4_ADDR));
    }
    if (FabricUpfTranslatorUtil.fieldIsPresent(match, HDR_APP_L4_PORT)) {
        appFilteringBuilder.withL4PortRange(FabricUpfTranslatorUtil.getFieldRangeShort(match, HDR_APP_L4_PORT));
    }
    if (FabricUpfTranslatorUtil.fieldIsPresent(match, HDR_APP_IP_PROTO)) {
        appFilteringBuilder.withIpProto(FabricUpfTranslatorUtil.getFieldByte(match, HDR_APP_IP_PROTO));
    }
    return appFilteringBuilder.build();
}

Example 30 with PiCriterion

use of org.onosproject.net.flow.criteria.PiCriterion in project fabric-tna by stratum.

the class FabricUpfTranslator method fabricEntryToUeSessionDownlink.

/**
 * Translate a fabric.p4 session table entry to a UeSession instance for easier handling.
 *
 * @param entry the fabric.p4 entry to translate
 * @return the corresponding UeSession
 * @throws UpfProgrammableException if the entry cannot be translated
 */
public UpfSessionDownlink fabricEntryToUeSessionDownlink(FlowRule entry) throws UpfProgrammableException {
    assertTableId(entry, FABRIC_INGRESS_UPF_DOWNLINK_SESSIONS);
    UpfSessionDownlink.Builder builder = UpfSessionDownlink.builder();
    Pair<PiCriterion, PiTableAction> matchActionPair = FabricUpfTranslatorUtil.fabricEntryToPiPair(entry);
    PiCriterion match = matchActionPair.getLeft();
    PiAction action = (PiAction) matchActionPair.getRight();
    if (!FabricUpfTranslatorUtil.fieldIsPresent(match, HDR_UE_ADDR)) {
        throw new UpfProgrammableException("Malformed downlink session from dataplane!: " + entry);
    }
    builder.withUeAddress(FabricUpfTranslatorUtil.getFieldAddress(match, HDR_UE_ADDR));
    PiActionId actionId = action.id();
    if (actionId.equals(FABRIC_INGRESS_UPF_SET_DOWNLINK_SESSION_DROP)) {
        builder.needsDropping(true);
    } else if (actionId.equals(FABRIC_INGRESS_UPF_SET_DOWNLINK_SESSION_BUF_DROP)) {
        builder.needsDropping(true);
        builder.needsBuffering(true);
    } else {
        builder.withGtpTunnelPeerId(FabricUpfTranslatorUtil.getParamByte(action, TUN_PEER_ID)).withSessionMeterIdx(FabricUpfTranslatorUtil.getParamShort(action, SESSION_METER_IDX));
        if (actionId.equals(FABRIC_INGRESS_UPF_SET_DOWNLINK_SESSION_BUF)) {
            builder.needsBuffering(true);
        }
    }
    return builder.build();
}