Search in sources :

Example 1 with PiPipelineModel

use of org.onosproject.net.pi.model.PiPipelineModel in project up4 by omec-project.

the class Up4NorthComponent method buildPipeconf.

protected static PiPipeconf buildPipeconf() throws P4InfoParserException {
    final URL p4InfoUrl = Up4NorthComponent.class.getResource(AppConstants.P4INFO_PATH);
    final PiPipelineModel pipelineModel = P4InfoParser.parse(p4InfoUrl);
    return DefaultPiPipeconf.builder().withId(PIPECONF_ID).withPipelineModel(pipelineModel).addExtension(P4_INFO_TEXT, p4InfoUrl).build();
}
Also used : URL(java.net.URL) PiPipelineModel(org.onosproject.net.pi.model.PiPipelineModel)

Example 2 with PiPipelineModel

use of org.onosproject.net.pi.model.PiPipelineModel in project onos by opennetworkinglab.

the class PiFlowRuleTranslatorImpl method translate.

/**
 * Returns a PI table entry equivalent to the given flow rule, for the given
 * pipeconf and device.
 *
 * @param rule     flow rule
 * @param pipeconf pipeconf
 * @param device   device
 * @return PI table entry
 * @throws PiTranslationException if the flow rule cannot be translated
 */
static PiTableEntry translate(FlowRule rule, PiPipeconf pipeconf, Device device) throws PiTranslationException {
    PiPipelineModel pipelineModel = pipeconf.pipelineModel();
    // Retrieve interpreter, if any.
    final PiPipelineInterpreter interpreter = getInterpreterOrNull(device, pipeconf);
    // Get table model.
    final PiTableId piTableId = translateTableId(rule.table(), interpreter);
    final PiTableModel tableModel = getTableModel(piTableId, pipelineModel);
    // Translate selector.
    final PiMatchKey piMatchKey;
    final boolean needPriority;
    if (rule.selector().criteria().isEmpty()) {
        piMatchKey = PiMatchKey.EMPTY;
        needPriority = false;
    } else {
        final Collection<PiFieldMatch> fieldMatches = translateFieldMatches(interpreter, rule.selector(), tableModel);
        piMatchKey = PiMatchKey.builder().addFieldMatches(fieldMatches).build();
        // FIXME: P4Runtime limit
        // Need to ignore priority if no TCAM lookup match field
        needPriority = tableModel.matchFields().stream().anyMatch(match -> match.matchType() == PiMatchType.TERNARY || match.matchType() == PiMatchType.RANGE || match.matchType() == PiMatchType.OPTIONAL);
    }
    // Translate treatment.
    final PiTableAction piTableAction = translateTreatment(rule.treatment(), interpreter, piTableId, pipelineModel);
    // Build PI entry.
    final PiTableEntry.Builder tableEntryBuilder = PiTableEntry.builder();
    tableEntryBuilder.forTable(piTableId).withMatchKey(piMatchKey);
    if (piTableAction != null) {
        tableEntryBuilder.withAction(piTableAction);
    }
    if (needPriority) {
        // FIXME: move priority check to P4Runtime driver.
        final int newPriority;
        if (rule.priority() > MAX_PI_PRIORITY) {
            log.warn("Flow rule priority too big, setting translated priority to max value {}: {}", MAX_PI_PRIORITY, rule);
            newPriority = MAX_PI_PRIORITY;
        } else {
            newPriority = MIN_PI_PRIORITY + rule.priority();
        }
        tableEntryBuilder.withPriority(newPriority);
    }
    if (!rule.isPermanent()) {
        if (tableModel.supportsAging()) {
            tableEntryBuilder.withTimeout(rule.timeout());
        } else {
            log.debug("Flow rule is temporary, but table '{}' doesn't support " + "aging, translating to permanent.", tableModel.id());
        }
    }
    return tableEntryBuilder.build();
}
Also used : PiTableId(org.onosproject.net.pi.model.PiTableId) PiOptionalFieldMatch(org.onosproject.net.pi.runtime.PiOptionalFieldMatch) PiUtils.getInterpreterOrNull(org.onosproject.net.pi.impl.PiUtils.getInterpreterOrNull) PiPipeconf(org.onosproject.net.pi.model.PiPipeconf) ImmutableByteSequence(org.onlab.util.ImmutableByteSequence) LoggerFactory(org.slf4j.LoggerFactory) PiActionParam(org.onosproject.net.pi.runtime.PiActionParam) PiActionParamModel(org.onosproject.net.pi.model.PiActionParamModel) PiPipelineModel(org.onosproject.net.pi.model.PiPipelineModel) PiMatchKey(org.onosproject.net.pi.runtime.PiMatchKey) PiUtils.translateTableId(org.onosproject.net.pi.impl.PiUtils.translateTableId) ImmutableByteSequence.prefixOnes(org.onlab.util.ImmutableByteSequence.prefixOnes) TrafficSelector(org.onosproject.net.flow.TrafficSelector) PiInstruction(org.onosproject.net.flow.instructions.PiInstruction) PiTableModel(org.onosproject.net.pi.model.PiTableModel) PiCriterion(org.onosproject.net.flow.criteria.PiCriterion) Map(java.util.Map) PiTranslationException(org.onosproject.net.pi.service.PiTranslationException) PiExactFieldMatch(org.onosproject.net.pi.runtime.PiExactFieldMatch) PiFieldMatch(org.onosproject.net.pi.runtime.PiFieldMatch) Criterion(org.onosproject.net.flow.criteria.Criterion) TrafficTreatment(org.onosproject.net.flow.TrafficTreatment) PiTableAction(org.onosproject.net.pi.runtime.PiTableAction) PiPipelineInterpreter(org.onosproject.net.pi.model.PiPipelineInterpreter) Logger(org.slf4j.Logger) Device(org.onosproject.net.Device) PiActionModel(org.onosproject.net.pi.model.PiActionModel) Instruction(org.onosproject.net.flow.instructions.Instruction) PiMatchFieldModel(org.onosproject.net.pi.model.PiMatchFieldModel) Collection(java.util.Collection) PiRangeFieldMatch(org.onosproject.net.pi.runtime.PiRangeFieldMatch) Set(java.util.Set) PiMatchFieldId(org.onosproject.net.pi.model.PiMatchFieldId) Maps(com.google.common.collect.Maps) Sets(com.google.common.collect.Sets) PiMatchType(org.onosproject.net.pi.model.PiMatchType) String.format(java.lang.String.format) PiTernaryFieldMatch(org.onosproject.net.pi.runtime.PiTernaryFieldMatch) ByteSequenceTrimException(org.onlab.util.ImmutableByteSequence.ByteSequenceTrimException) PROTOCOL_INDEPENDENT(org.onosproject.net.flow.criteria.Criterion.Type.PROTOCOL_INDEPENDENT) PiAction(org.onosproject.net.pi.runtime.PiAction) PiTableEntry(org.onosproject.net.pi.runtime.PiTableEntry) CriterionTranslatorHelper.translateCriterion(org.onosproject.net.pi.impl.CriterionTranslatorHelper.translateCriterion) FlowRule(org.onosproject.net.flow.FlowRule) StringJoiner(java.util.StringJoiner) PiTableType(org.onosproject.net.pi.model.PiTableType) PiLpmFieldMatch(org.onosproject.net.pi.runtime.PiLpmFieldMatch) PiActionSet(org.onosproject.net.pi.runtime.PiActionSet) PiTableModel(org.onosproject.net.pi.model.PiTableModel) PiMatchKey(org.onosproject.net.pi.runtime.PiMatchKey) PiTableAction(org.onosproject.net.pi.runtime.PiTableAction) PiTableId(org.onosproject.net.pi.model.PiTableId) PiTableEntry(org.onosproject.net.pi.runtime.PiTableEntry) PiPipelineInterpreter(org.onosproject.net.pi.model.PiPipelineInterpreter) PiFieldMatch(org.onosproject.net.pi.runtime.PiFieldMatch) PiPipelineModel(org.onosproject.net.pi.model.PiPipelineModel)

Example 3 with PiPipelineModel

use of org.onosproject.net.pi.model.PiPipelineModel in project onos by opennetworkinglab.

the class PiGroupTranslatorImplTest method loadP4InfoPipeconf.

private static PiPipeconf loadP4InfoPipeconf(PiPipeconfId pipeconfId, String p4infoPath) {
    final URL p4InfoUrl = PiGroupTranslatorImpl.class.getResource(p4infoPath);
    final PiPipelineModel pipelineModel;
    try {
        pipelineModel = P4InfoParser.parse(p4InfoUrl);
    } catch (P4InfoParserException e) {
        throw new IllegalStateException(e);
    }
    return DefaultPiPipeconf.builder().withId(pipeconfId).withPipelineModel(pipelineModel).addExtension(P4_INFO_TEXT, p4InfoUrl).build();
}
Also used : URL(java.net.URL) P4InfoParserException(org.onosproject.p4runtime.model.P4InfoParserException) PiPipelineModel(org.onosproject.net.pi.model.PiPipelineModel)

Example 4 with PiPipelineModel

use of org.onosproject.net.pi.model.PiPipelineModel in project onos by opennetworkinglab.

the class P4InfoParserTest method testParseP4RuntimeTranslationAndOptional.

/**
 * Tests parse method with P4Runtime translation fields and optional fields.
 * @throws Exception if equality group objects dose not match as expected
 */
@Test
public void testParseP4RuntimeTranslationAndOptional() throws Exception {
    PiPipelineModel model = P4InfoParser.parse(p4InfoUrl2);
    // Generate a P4Info object from the file
    final P4Info p4info;
    try {
        p4info = getP4InfoMessage(p4InfoUrl2);
    } catch (IOException e) {
        throw new P4InfoParserException("Unable to parse protobuf " + p4InfoUrl.toString(), e);
    }
    List<Table> tableMsgs = p4info.getTablesList();
    PiTableId table0Id = PiTableId.of(tableMsgs.get(0).getPreamble().getName());
    // parse tables
    PiTableModel table0Model = model.table(table0Id).orElse(null);
    // Check matchFields
    List<MatchField> matchFieldList = tableMsgs.get(0).getMatchFieldsList();
    List<PiMatchFieldModel> piMatchFieldList = new ArrayList<>();
    for (MatchField matchFieldIter : matchFieldList) {
        MatchField.MatchType matchType = matchFieldIter.getMatchType();
        PiMatchType piMatchType;
        switch(matchType) {
            case EXACT:
                piMatchType = PiMatchType.EXACT;
                break;
            case LPM:
                piMatchType = PiMatchType.LPM;
                break;
            case TERNARY:
                piMatchType = PiMatchType.TERNARY;
                break;
            case RANGE:
                piMatchType = PiMatchType.RANGE;
                break;
            case OPTIONAL:
                piMatchType = PiMatchType.OPTIONAL;
                break;
            default:
                Assert.fail();
                return;
        }
        if (matchFieldIter.getTypeName().getName().equals("mac_addr_t")) {
            piMatchFieldList.add(new P4MatchFieldModel(PiMatchFieldId.of(matchFieldIter.getName()), P4MatchFieldModel.BIT_WIDTH_UNDEFINED, piMatchType));
        } else {
            piMatchFieldList.add(new P4MatchFieldModel(PiMatchFieldId.of(matchFieldIter.getName()), matchFieldIter.getBitwidth(), piMatchType));
        }
    }
    assertThat("Incorrect order for matchFields", table0Model.matchFields(), IsIterableContainingInOrder.contains(piMatchFieldList.get(0), piMatchFieldList.get(1), piMatchFieldList.get(2), piMatchFieldList.get(3)));
    // check table0 actionsRefs
    List<ActionRef> actionRefList = tableMsgs.get(0).getActionRefsList();
    assertThat("Incorrect size for actionRefs", actionRefList.size(), is(equalTo(4)));
    // create action instances
    // Set egress with string as parameter
    PiActionId actionId = PiActionId.of("set_egress_port");
    PiActionParamId piActionParamId = PiActionParamId.of("port");
    PiActionParamModel actionParamModel = new P4ActionParamModel(piActionParamId, P4ActionParamModel.BIT_WIDTH_UNDEFINED);
    ImmutableMap<PiActionParamId, PiActionParamModel> params = new ImmutableMap.Builder<PiActionParamId, PiActionParamModel>().put(piActionParamId, actionParamModel).build();
    PiActionModel setEgressPortAction = new P4ActionModel(actionId, params);
    // Set egress with 32 bit as parameter
    actionId = PiActionId.of("set_egress_port2");
    piActionParamId = PiActionParamId.of("port");
    int bitWitdth = 32;
    actionParamModel = new P4ActionParamModel(piActionParamId, bitWitdth);
    params = new ImmutableMap.Builder<PiActionParamId, PiActionParamModel>().put(piActionParamId, actionParamModel).build();
    PiActionModel setEgressPortAction2 = new P4ActionModel(actionId, params);
    actionId = PiActionId.of("send_to_cpu");
    PiActionModel sendToCpuAction = new P4ActionModel(actionId, new ImmutableMap.Builder<PiActionParamId, PiActionParamModel>().build());
    actionId = PiActionId.of("drop");
    PiActionModel dropAction = new P4ActionModel(actionId, new ImmutableMap.Builder<PiActionParamId, PiActionParamModel>().build());
    // check table0 actions
    assertThat("action dose not match", table0Model.actions(), IsIterableContainingInAnyOrder.containsInAnyOrder(setEgressPortAction, setEgressPortAction2, sendToCpuAction, dropAction));
}
Also used : PiTableModel(org.onosproject.net.pi.model.PiTableModel) PiActionId(org.onosproject.net.pi.model.PiActionId) PiActionParamId(org.onosproject.net.pi.model.PiActionParamId) ArrayList(java.util.ArrayList) MatchField(p4.config.v1.P4InfoOuterClass.MatchField) PiTableId(org.onosproject.net.pi.model.PiTableId) ActionRef(p4.config.v1.P4InfoOuterClass.ActionRef) PiPipelineModel(org.onosproject.net.pi.model.PiPipelineModel) Table(p4.config.v1.P4InfoOuterClass.Table) PiMatchType(org.onosproject.net.pi.model.PiMatchType) PiActionModel(org.onosproject.net.pi.model.PiActionModel) PiActionParamModel(org.onosproject.net.pi.model.PiActionParamModel) IOException(java.io.IOException) ImmutableMap(com.google.common.collect.ImmutableMap) P4Info(p4.config.v1.P4InfoOuterClass.P4Info) PiMatchFieldModel(org.onosproject.net.pi.model.PiMatchFieldModel) Test(org.junit.Test)

Example 5 with PiPipelineModel

use of org.onosproject.net.pi.model.PiPipelineModel in project onos by opennetworkinglab.

the class P4InfoParserTest method testParseArchitecture.

/**
 * Tests the parsing of the architecture field.
 * @throws Exception if the equality group objects does not match expected
 */
@Test
public void testParseArchitecture() throws Exception {
    // Generate two PiPipelineModels from the same p4Info file
    PiPipelineModel model = P4InfoParser.parse(p4InfoUrl);
    PiPipelineModel sameAsModel = P4InfoParser.parse(p4InfoUrl);
    PiPipelineModel model3 = P4InfoParser.parse(p4InfoUrl2);
    String architecture1 = model.architecture().orElse(null);
    String architecture2 = sameAsModel.architecture().orElse(null);
    assertThat("null value is returned if `arch` not present in P4Info", architecture1, is(nullValue()));
    assertThat("null value is returned if `arch` not present in P4Info", architecture2, is(nullValue()));
    String architecture3 = model3.architecture().orElse(null);
    assertThat("test that `arch` field is correctly parsed", architecture3, is("v1model"));
}
Also used : PiPipelineModel(org.onosproject.net.pi.model.PiPipelineModel) Test(org.junit.Test)

Aggregations

PiPipelineModel (org.onosproject.net.pi.model.PiPipelineModel)9 PiActionModel (org.onosproject.net.pi.model.PiActionModel)4 PiTableId (org.onosproject.net.pi.model.PiTableId)4 PiTableModel (org.onosproject.net.pi.model.PiTableModel)4 Test (org.junit.Test)3 PiActionParamModel (org.onosproject.net.pi.model.PiActionParamModel)3 PiMatchFieldModel (org.onosproject.net.pi.model.PiMatchFieldModel)3 PiMatchType (org.onosproject.net.pi.model.PiMatchType)3 ImmutableMap (com.google.common.collect.ImmutableMap)2 IOException (java.io.IOException)2 URL (java.net.URL)2 ArrayList (java.util.ArrayList)2 PiActionId (org.onosproject.net.pi.model.PiActionId)2 PiPipelineInterpreter (org.onosproject.net.pi.model.PiPipelineInterpreter)2 ArrayNode (com.fasterxml.jackson.databind.node.ArrayNode)1 ObjectNode (com.fasterxml.jackson.databind.node.ObjectNode)1 Maps (com.google.common.collect.Maps)1 Sets (com.google.common.collect.Sets)1 EqualsTester (com.google.common.testing.EqualsTester)1 String.format (java.lang.String.format)1