Examples with PiTableId org.onosproject.net.pi.model.PiTableId used on opensource projects

Example 1 with PiTableId

use of org.onosproject.net.pi.model.PiTableId 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();
}

Example 2 with PiTableId

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

the class P4RuntimeTableStatisticsDiscovery method getTableStatistics.

@Override
public List<TableStatisticsEntry> getTableStatistics() {
    if (!setupBehaviour("getTableStatistics()")) {
        return Collections.emptyList();
    }
    FlowRuleService flowService = handler().get(FlowRuleService.class);
    PiPipelineInterpreter interpreter = getInterpreter(handler());
    PiPipelineModel model = pipeconf.pipelineModel();
    List<TableStatisticsEntry> tableStatsList;
    List<FlowEntry> rules = newArrayList(flowService.getFlowEntries(deviceId));
    Map<PiTableId, Integer> piTableFlowCount = piFlowRuleCounting(model, interpreter, rules);
    Map<PiTableId, Long> piTableMatchCount = piMatchedCounting(model, interpreter, rules);
    tableStatsList = generatePiFlowTableStatistics(piTableFlowCount, piTableMatchCount, model, deviceId);
    return tableStatsList;
}

Example 3 with PiTableId

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

the class NextObjectiveTranslator method selectGroup.

private int selectGroup(NextObjective obj, ObjectiveTranslation.Builder resultBuilder) throws FabricPipelinerException {
    final PiTableId hashedTableId = FabricConstants.FABRIC_INGRESS_NEXT_HASHED;
    final List<DefaultNextTreatment> defaultNextTreatments = defaultNextTreatments(obj.nextTreatments(), true);
    final List<TrafficTreatment> piTreatments = Lists.newArrayList();
    for (DefaultNextTreatment t : defaultNextTreatments) {
        // Map treatment to PI...
        piTreatments.add(mapTreatmentToPiIfNeeded(t.treatment(), hashedTableId));
        // ...and handle egress if necessary.
        handleEgress(obj, t.treatment(), resultBuilder, false);
    }
    final List<GroupBucket> bucketList = piTreatments.stream().map(DefaultGroupBucket::createSelectGroupBucket).collect(Collectors.toList());
    final int groupId = obj.id();
    final PiGroupKey groupKey = (PiGroupKey) getGroupKey(obj);
    resultBuilder.addGroup(new DefaultGroupDescription(deviceId, GroupDescription.Type.SELECT, new GroupBuckets(bucketList), groupKey, groupId, obj.appId()));
    return groupId;
}

Example 4 with PiTableId

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

the class NextObjectiveTranslator method indirectGroup.

private int indirectGroup(NextObjective obj, ObjectiveTranslation.Builder resultBuilder) throws FabricPipelinerException {
    if (isGroupModifyOp(obj)) {
        throw new FabricPipelinerException("Simple next objective does not support" + "*_TO_EXISTING operations");
    }
    final PiTableId hashedTableId = FabricConstants.FABRIC_INGRESS_NEXT_HASHED;
    final List<DefaultNextTreatment> defaultNextTreatments = defaultNextTreatments(obj.nextTreatments(), true);
    if (defaultNextTreatments.size() != 1) {
        throw new FabricPipelinerException("Simple next objective must have a single" + " treatment");
    }
    final TrafficTreatment piTreatment;
    final DefaultNextTreatment defaultNextTreatment = defaultNextTreatments.get(0);
    piTreatment = mapTreatmentToPiIfNeeded(defaultNextTreatment.treatment(), hashedTableId);
    handleEgress(obj, defaultNextTreatment.treatment(), resultBuilder, false);
    final GroupBucket groupBucket = DefaultGroupBucket.createIndirectGroupBucket(piTreatment);
    final int groupId = obj.id();
    final PiGroupKey groupKey = (PiGroupKey) getGroupKey(obj);
    resultBuilder.addGroup(new DefaultGroupDescription(deviceId, GroupDescription.Type.INDIRECT, new GroupBuckets(Collections.singletonList(groupBucket)), groupKey, groupId, obj.appId()));
    return groupId;
}

Example 5 with PiTableId

use of org.onosproject.net.pi.model.PiTableId 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));
}