Examples with PiTableEntry org.onosproject.net.pi.runtime.PiTableEntry used on opensource projects

Example 16 with PiTableEntry

use of org.onosproject.net.pi.runtime.PiTableEntry in project onos by opennetworkinglab.

the class P4RuntimeFlowRuleProgrammable method appendEntryToWriteRequestOrSkip.

private boolean appendEntryToWriteRequestOrSkip(final WriteRequest writeRequest, final PiTableEntryHandle handle, PiTableEntry piEntryToApply, final Operation driverOperation) {
    // Depending on the driver operation, and if a matching rule exists on
    // the device/mirror, decide which P4Runtime update operation to perform
    // for this entry. In some cases, the entry is skipped from the write
    // request but we want to return the corresponding flow rule as
    // successfully written. In this case, we return true.
    final TimedEntry<PiTableEntry> piEntryOnDevice = tableMirror.get(handle);
    final UpdateType updateType;
    final boolean supportDefaultEntry = driverBoolProperty(SUPPORT_DEFAULT_TABLE_ENTRY, DEFAULT_SUPPORT_DEFAULT_TABLE_ENTRY);
    final boolean deleteBeforeUpdate = driverBoolProperty(DELETE_BEFORE_UPDATE, DEFAULT_DELETE_BEFORE_UPDATE);
    if (driverOperation == APPLY) {
        if (piEntryOnDevice == null) {
            // Entry is first-timer, INSERT or MODIFY if default action.
            updateType = !piEntryToApply.isDefaultAction() || !supportDefaultEntry ? INSERT : MODIFY;
        } else {
            if (piEntryToApply.action().equals(piEntryOnDevice.entry().action())) {
                // FIXME: should we check for other attributes of the table
                // entry? For example can we modify the priority?
                log.debug("Ignoring re-apply of existing entry: {}", piEntryToApply);
                return true;
            } else if (deleteBeforeUpdate && !piEntryToApply.isDefaultAction()) {
                // Some devices return error when updating existing entries.
                // If requested, remove entry before re-inserting the
                // modified one, except the default action entry, that
                // cannot be removed.
                writeRequest.delete(handle);
                updateType = INSERT;
            } else {
                updateType = MODIFY;
            }
        }
    } else {
        // REMOVE.
        if (piEntryToApply.isDefaultAction()) {
            // Cannot remove default action. Instead we should modify it to
            // use the original one as specified in the P4 program.
            final PiTableEntry originalDefaultEntry = getOriginalDefaultEntry(piEntryToApply.table());
            if (originalDefaultEntry == null) {
                return false;
            }
            return appendEntryToWriteRequestOrSkip(writeRequest, originalDefaultEntry.handle(deviceId), originalDefaultEntry, APPLY);
        } else {
            if (piEntryOnDevice == null) {
                log.debug("Ignoring delete of missing entry: {}", piEntryToApply);
                return true;
            }
            updateType = DELETE;
        }
    }
    writeRequest.entity(piEntryToApply, updateType);
    return false;
}

Example 17 with PiTableEntry

use of org.onosproject.net.pi.runtime.PiTableEntry in project onos by opennetworkinglab.

the class TableEntryEncoderTest method testTableEntryEncoder.

@Test
public void testTableEntryEncoder() throws Exception {
    TableEntry tableEntryMsg = Codecs.CODECS.tableEntry().encode(piTableEntry, null, defaultPipeconf);
    PiTableEntry decodedPiTableEntry = Codecs.CODECS.tableEntry().decode(tableEntryMsg, null, defaultPipeconf);
    // Test equality for decoded entry.
    new EqualsTester().addEqualityGroup(piTableEntry, decodedPiTableEntry).testEquals();
    // Table ID.
    int p4InfoTableId = browser.tables().getByName(tableId.id()).getPreamble().getId();
    int encodedTableId = tableEntryMsg.getTableId();
    assertThat(encodedTableId, is(p4InfoTableId));
    // Ternary match.
    byte[] encodedTernaryMatchValue = tableEntryMsg.getMatch(0).getTernary().getValue().toByteArray();
    assertThat(encodedTernaryMatchValue, is(ethAddr.asArray()));
    Action actionMsg = tableEntryMsg.getAction().getAction();
    // Action ID.
    int p4InfoActionId = browser.actions().getByName(outActionId.toString()).getPreamble().getId();
    int encodedActionId = actionMsg.getActionId();
    assertThat(encodedActionId, is(p4InfoActionId));
    // Action param ID.
    int p4InfoActionParamId = browser.actionParams(p4InfoActionId).getByName(portParamId.toString()).getId();
    int encodedActionParamId = actionMsg.getParams(0).getParamId();
    assertThat(encodedActionParamId, is(p4InfoActionParamId));
    // Action param value.
    byte[] encodedActionParam = actionMsg.getParams(0).getValue().toByteArray();
    assertThat(encodedActionParam, is(portValue.asArray()));
    // Counter
    CounterData counterData = tableEntryMsg.getCounterData();
    PiCounterCellData encodedCounterData = new PiCounterCellData(counterData.getPacketCount(), counterData.getByteCount());
    assertThat(encodedCounterData, is(counterCellData));
// TODO: improve, assert other field match types (ternary, LPM)
}

Example 18 with PiTableEntry

use of org.onosproject.net.pi.runtime.PiTableEntry in project up4 by omec-project.

the class Up4TranslatorImpl method upfEntityToUp4TableEntry.

@Override
public PiTableEntry upfEntityToUp4TableEntry(UpfEntity entity) throws Up4TranslationException {
    PiTableEntry.Builder tableEntryBuilder = PiTableEntry.builder();
    PiAction.Builder actionBuilder = PiAction.builder();
    PiMatchKey.Builder matchBuilder = PiMatchKey.builder();
    switch(entity.type()) {
        case INTERFACE:
            tableEntryBuilder.forTable(PRE_QOS_PIPE_INTERFACES);
            UpfInterface upfIntf = (UpfInterface) entity;
            byte direction;
            byte srcIface;
            actionBuilder.withId(PRE_QOS_PIPE_SET_SOURCE_IFACE);
            if (upfIntf.isAccess()) {
                srcIface = IFACE_ACCESS;
                direction = DIRECTION_UPLINK;
            } else if (upfIntf.isCore()) {
                srcIface = IFACE_CORE;
                direction = DIRECTION_DOWNLINK;
            } else {
                throw new Up4TranslationException("UPF Interface is not Access nor CORE: " + upfIntf);
            }
            actionBuilder.withParameter(new PiActionParam(SRC_IFACE, srcIface)).withParameter(new PiActionParam(DIRECTION, direction)).withParameter(new PiActionParam(SLICE_ID, (byte) upfIntf.sliceId()));
            matchBuilder.addFieldMatch(new PiLpmFieldMatch(HDR_IPV4_DST_PREFIX, ImmutableByteSequence.copyFrom(upfIntf.prefix().address().toOctets()), upfIntf.prefix().prefixLength()));
            break;
        case SESSION_UPLINK:
            tableEntryBuilder.forTable(PRE_QOS_PIPE_SESSIONS_UPLINK);
            UpfSessionUplink sessionUplink = (UpfSessionUplink) entity;
            matchBuilder.addFieldMatch(new PiExactFieldMatch(HDR_N3_ADDRESS, ImmutableByteSequence.copyFrom(sessionUplink.tunDstAddr().toOctets()))).addFieldMatch(new PiExactFieldMatch(HDR_TEID, ImmutableByteSequence.copyFrom(sessionUplink.teid())));
            if (sessionUplink.needsDropping()) {
                actionBuilder.withId(PRE_QOS_PIPE_SET_SESSION_UPLINK_DROP);
            } else {
                actionBuilder.withId(PRE_QOS_PIPE_SET_SESSION_UPLINK);
                actionBuilder.withParameter(new PiActionParam(SESSION_METER_IDX, sessionUplink.sessionMeterIdx()));
            }
            break;
        case SESSION_DOWNLINK:
            tableEntryBuilder.forTable(PRE_QOS_PIPE_SESSIONS_DOWNLINK);
            UpfSessionDownlink sessionDownlink = (UpfSessionDownlink) entity;
            matchBuilder.addFieldMatch(new PiExactFieldMatch(HDR_UE_ADDRESS, ImmutableByteSequence.copyFrom(sessionDownlink.ueAddress().toOctets())));
            if (sessionDownlink.needsDropping() && sessionDownlink.needsBuffering()) {
                log.error("We don't support DROP + BUFF on the UP4 northbound! Defaulting to only BUFF");
                actionBuilder.withId(PRE_QOS_PIPE_SET_SESSION_DOWNLINK_BUFF);
                actionBuilder.withParameter(new PiActionParam(SESSION_METER_IDX, sessionDownlink.sessionMeterIdx()));
            } else if (sessionDownlink.needsDropping()) {
                actionBuilder.withId(PRE_QOS_PIPE_SET_SESSION_DOWNLINK_DROP);
            } else {
                actionBuilder.withParameter(new PiActionParam(SESSION_METER_IDX, sessionDownlink.sessionMeterIdx()));
                if (sessionDownlink.needsBuffering()) {
                    actionBuilder.withId(PRE_QOS_PIPE_SET_SESSION_DOWNLINK_BUFF);
                } else {
                    actionBuilder.withParameter(new PiActionParam(TUNNEL_PEER_ID, ImmutableByteSequence.copyFrom(sessionDownlink.tunPeerId())));
                    actionBuilder.withId(PRE_QOS_PIPE_SET_SESSION_DOWNLINK);
                }
            }
            break;
        case TERMINATION_UPLINK:
            tableEntryBuilder.forTable(PRE_QOS_PIPE_TERMINATIONS_UPLINK);
            UpfTerminationUplink upfTerminationUl = (UpfTerminationUplink) entity;
            matchBuilder.addFieldMatch(new PiExactFieldMatch(HDR_UE_ADDRESS, ImmutableByteSequence.copyFrom(upfTerminationUl.ueSessionId().toOctets()))).addFieldMatch(new PiExactFieldMatch(HDR_APP_ID, ImmutableByteSequence.copyFrom(upfTerminationUl.applicationId())));
            actionBuilder.withParameter(new PiActionParam(CTR_IDX, upfTerminationUl.counterId()));
            if (upfTerminationUl.needsDropping()) {
                actionBuilder.withId(PRE_QOS_PIPE_UPLINK_TERM_DROP);
            } else {
                if (upfTerminationUl.trafficClass() != null) {
                    actionBuilder.withId(PRE_QOS_PIPE_UPLINK_TERM_FWD);
                    actionBuilder.withParameter(new PiActionParam(TC, upfTerminationUl.trafficClass()));
                } else {
                    actionBuilder.withId(PRE_QOS_PIPE_UPLINK_TERM_FWD_NO_TC);
                }
                actionBuilder.withParameter(new PiActionParam(APP_METER_IDX, upfTerminationUl.appMeterIdx()));
            }
            break;
        case TERMINATION_DOWNLINK:
            tableEntryBuilder.forTable(PRE_QOS_PIPE_TERMINATIONS_DOWNLINK);
            UpfTerminationDownlink upfTerminationDl = (UpfTerminationDownlink) entity;
            matchBuilder.addFieldMatch(new PiExactFieldMatch(HDR_UE_ADDRESS, ImmutableByteSequence.copyFrom(upfTerminationDl.ueSessionId().toOctets()))).addFieldMatch(new PiExactFieldMatch(HDR_APP_ID, ImmutableByteSequence.copyFrom(upfTerminationDl.applicationId())));
            actionBuilder.withParameter(new PiActionParam(CTR_IDX, upfTerminationDl.counterId()));
            if (upfTerminationDl.needsDropping()) {
                actionBuilder.withId(PRE_QOS_PIPE_DOWNLINK_TERM_DROP);
            } else {
                actionBuilder.withParameter(new PiActionParam(TEID, upfTerminationDl.teid())).withParameter(new PiActionParam(QFI, upfTerminationDl.qfi()));
                if (upfTerminationDl.trafficClass() != null) {
                    actionBuilder.withId(PRE_QOS_PIPE_DOWNLINK_TERM_FWD);
                    actionBuilder.withParameter(new PiActionParam(TC, upfTerminationDl.trafficClass()));
                } else {
                    actionBuilder.withId(PRE_QOS_PIPE_DOWNLINK_TERM_FWD_NO_TC);
                }
                actionBuilder.withParameter(new PiActionParam(APP_METER_IDX, upfTerminationDl.appMeterIdx()));
            }
            break;
        case TUNNEL_PEER:
            tableEntryBuilder.forTable(PRE_QOS_PIPE_TUNNEL_PEERS);
            UpfGtpTunnelPeer gtpTunnelPeer = (UpfGtpTunnelPeer) entity;
            matchBuilder.addFieldMatch(new PiExactFieldMatch(HDR_TUNNEL_PEER_ID, ImmutableByteSequence.copyFrom(gtpTunnelPeer.tunPeerId())));
            actionBuilder.withId(PRE_QOS_PIPE_LOAD_TUNNEL_PARAM).withParameter(new PiActionParam(SRC_ADDR, gtpTunnelPeer.src().toOctets())).withParameter(new PiActionParam(DST_ADDR, gtpTunnelPeer.dst().toOctets())).withParameter(new PiActionParam(SPORT, gtpTunnelPeer.srcPort()));
            break;
        case APPLICATION:
            tableEntryBuilder.forTable(PRE_QOS_PIPE_APPLICATIONS);
            UpfApplication application = (UpfApplication) entity;
            tableEntryBuilder.withPriority(application.priority());
            actionBuilder.withId(PRE_QOS_PIPE_SET_APP_ID).withParameter(new PiActionParam(APP_ID, application.appId()));
            matchBuilder.addFieldMatch(new PiExactFieldMatch(HDR_SLICE_ID, ImmutableByteSequence.copyFrom((byte) application.sliceId())));
            if (application.ip4Prefix().isPresent()) {
                Ip4Prefix ipPrefix = application.ip4Prefix().get();
                matchBuilder.addFieldMatch(new PiLpmFieldMatch(HDR_APP_IP_ADDR, ImmutableByteSequence.copyFrom(ipPrefix.address().toOctets()), ipPrefix.prefixLength()));
            }
            if (application.l4PortRange().isPresent()) {
                Range<Short> portRange = application.l4PortRange().get();
                matchBuilder.addFieldMatch(new PiRangeFieldMatch(HDR_APP_L4_PORT, ImmutableByteSequence.copyFrom(portRange.lowerEndpoint()), ImmutableByteSequence.copyFrom(portRange.upperEndpoint())));
            }
            if (application.ipProto().isPresent()) {
                byte ipProto = application.ipProto().get();
                matchBuilder.addFieldMatch(new PiTernaryFieldMatch(HDR_APP_IP_PROTO, ImmutableByteSequence.copyFrom(ipProto), ImmutableByteSequence.ofOnes(1)));
            }
            break;
        case SESSION_METER:
        case APPLICATION_METER:
        case COUNTER:
        default:
            throw new Up4TranslationException("Attempting to translate an unsupported UPF entity to a table entry! " + entity);
    }
    return tableEntryBuilder.withMatchKey(matchBuilder.build()).withAction(actionBuilder.build()).build();
}

Example 19 with PiTableEntry

use of org.onosproject.net.pi.runtime.PiTableEntry in project up4 by omec-project.

the class Up4NorthComponentTest method downlinkTerminationInsertionTest.

@Test
public void downlinkTerminationInsertionTest() throws Exception {
    PiTableEntry entry = TestImplConstants.UP4_DOWNLINK_TERMINATION;
    insertionTest(entry);
    assertThat(mockUp4Service.readAll(UpfEntityType.TERMINATION_DOWNLINK).size(), equalTo(1));
}

Example 20 with PiTableEntry

use of org.onosproject.net.pi.runtime.PiTableEntry in project up4 by omec-project.

the class Up4NorthComponentTest method uplinkInterfaceInsertionTest.

@Test
public void uplinkInterfaceInsertionTest() throws Exception {
    PiTableEntry entry = TestImplConstants.UP4_UPLINK_INTERFACE;
    insertionTest(entry);
    assertThat(mockUp4Service.readAll(UpfEntityType.INTERFACE).size(), equalTo(1));
}