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

Example 1 with PiFieldMatch

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

the class PiCriteriaTest method testOptionalMatchPiMethod.

/**
 * Test the OptionalMatchPi method.
 */
@Test
public void testOptionalMatchPiMethod() {
    Criterion matchPiBytes = PiCriterion.builder().matchOptional(ethMatchFieldId, matchExactBytes1).build();
    PiCriterion piCriterionBytes = checkAndConvert(matchPiBytes, Criterion.Type.PROTOCOL_INDEPENDENT, PiCriterion.class);
    PiFieldMatch expectedMatchBytes = new PiOptionalFieldMatch(ethMatchFieldId, copyFrom(matchExactBytes1));
    assertThat(piCriterionBytes.fieldMatches().iterator().next(), is(expectedMatchBytes));
    Criterion matchPiShort = PiCriterion.builder().matchOptional(ethMatchFieldId, matchExactShort1).build();
    PiCriterion piCriterionShort = checkAndConvert(matchPiShort, Criterion.Type.PROTOCOL_INDEPENDENT, PiCriterion.class);
    PiFieldMatch expectedMatchShort = new PiOptionalFieldMatch(ethMatchFieldId, copyFrom(matchExactShort1));
    assertThat(piCriterionShort.fieldMatches().iterator().next(), is(expectedMatchShort));
    Criterion matchPiInt = PiCriterion.builder().matchOptional(ethMatchFieldId, matchExactInt1).build();
    PiCriterion piCriterionInt = checkAndConvert(matchPiInt, Criterion.Type.PROTOCOL_INDEPENDENT, PiCriterion.class);
    PiFieldMatch expectedMatchInt = new PiOptionalFieldMatch(ethMatchFieldId, copyFrom(matchExactInt1));
    assertThat(piCriterionInt.fieldMatches().iterator().next(), is(expectedMatchInt));
    Criterion matchPiLong = PiCriterion.builder().matchOptional(ethMatchFieldId, matchExactLong1).build();
    PiCriterion piCriterionLong = checkAndConvert(matchPiLong, Criterion.Type.PROTOCOL_INDEPENDENT, PiCriterion.class);
    PiFieldMatch expectedMatchLong = new PiOptionalFieldMatch(ethMatchFieldId, copyFrom(matchExactLong1));
    assertThat(piCriterionLong.fieldMatches().iterator().next(), is(expectedMatchLong));
}

Example 2 with PiFieldMatch

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

the class PiCriteriaTest method testRangeMatchPiMethod.

/**
 * Test the RangeMatchPi method.
 */
@Test
public void testRangeMatchPiMethod() {
    Criterion matchPiBytes = PiCriterion.builder().matchRange(ipv4MatchFieldId, matchRangeBytes1, matchRangeHighBytes).build();
    PiCriterion piCriterionBytes = checkAndConvert(matchPiBytes, Criterion.Type.PROTOCOL_INDEPENDENT, PiCriterion.class);
    PiFieldMatch expectedMatchBytes = new PiRangeFieldMatch(ipv4MatchFieldId, copyFrom(matchRangeBytes1), copyFrom(matchRangeHighBytes));
    assertThat(piCriterionBytes.fieldMatches().iterator().next(), is(expectedMatchBytes));
    Criterion matchPiShort = PiCriterion.builder().matchRange(ipv4MatchFieldId, matchRangeShort1, matchRangeHighShort).build();
    PiCriterion piCriterionShort = checkAndConvert(matchPiShort, Criterion.Type.PROTOCOL_INDEPENDENT, PiCriterion.class);
    PiFieldMatch expectedMatchShort = new PiRangeFieldMatch(ipv4MatchFieldId, copyFrom(matchRangeShort1), copyFrom(matchRangeHighShort));
    assertThat(piCriterionShort.fieldMatches().iterator().next(), is(expectedMatchShort));
    Criterion matchPiInt = PiCriterion.builder().matchRange(ipv4MatchFieldId, matchRangeInt1, matchRangeHighInt).build();
    PiCriterion piCriterionInt = checkAndConvert(matchPiInt, Criterion.Type.PROTOCOL_INDEPENDENT, PiCriterion.class);
    PiFieldMatch expectedMatchInt = new PiRangeFieldMatch(ipv4MatchFieldId, copyFrom(matchRangeInt1), copyFrom(matchRangeHighInt));
    assertThat(piCriterionInt.fieldMatches().iterator().next(), is(expectedMatchInt));
    Criterion matchPiLong = PiCriterion.builder().matchRange(ipv4MatchFieldId, matchRangeLong1, matchRangeHighLong).build();
    PiCriterion piCriterionLong = checkAndConvert(matchPiLong, Criterion.Type.PROTOCOL_INDEPENDENT, PiCriterion.class);
    PiFieldMatch expectedMatchLong = new PiRangeFieldMatch(ipv4MatchFieldId, copyFrom(matchRangeLong1), copyFrom(matchRangeHighLong));
    assertThat(piCriterionLong.fieldMatches().iterator().next(), is(expectedMatchLong));
}

Example 3 with PiFieldMatch

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

the class CriterionCodecTest method matchPiTypeDecodingTest.

/**
 * Tests protocol-independent type criterion decoding.
 */
@Test
public void matchPiTypeDecodingTest() throws IOException {
    Criterion criterion = getCriterion("PiCriterion.json");
    Assert.assertThat(criterion.type(), is(Criterion.Type.PROTOCOL_INDEPENDENT));
    Collection<PiFieldMatch> piFieldMatches = ((PiCriterion) criterion).fieldMatches();
    for (PiFieldMatch piFieldMatch : piFieldMatches) {
        switch(piFieldMatch.type()) {
            case EXACT:
                Assert.assertThat(piFieldMatch.fieldId().id(), is("ingress_port"));
                Assert.assertThat(((PiExactFieldMatch) piFieldMatch).value(), is(copyFrom((byte) 0x10)));
                break;
            case LPM:
                Assert.assertThat(piFieldMatch.fieldId().id(), is("src_addr"));
                Assert.assertThat(((PiLpmFieldMatch) piFieldMatch).value(), is(copyFrom(0xa010101)));
                Assert.assertThat(((PiLpmFieldMatch) piFieldMatch).prefixLength(), is(24));
                break;
            case TERNARY:
                Assert.assertThat(piFieldMatch.fieldId().id(), is("dst_addr"));
                Assert.assertThat(((PiTernaryFieldMatch) piFieldMatch).value(), is(copyFrom(0xa010101)));
                Assert.assertThat(((PiTernaryFieldMatch) piFieldMatch).mask(), is(copyFrom(0xfffffff)));
                break;
            case RANGE:
                Assert.assertThat(piFieldMatch.fieldId().id(), is("egress_port"));
                Assert.assertThat(((PiRangeFieldMatch) piFieldMatch).highValue(), is(copyFrom((byte) 0x20)));
                Assert.assertThat(((PiRangeFieldMatch) piFieldMatch).lowValue(), is(copyFrom((byte) 0x10)));
                break;
            case OPTIONAL:
                Assert.assertThat(piFieldMatch.fieldId().id(), is("eth_dst"));
                Assert.assertThat(((PiOptionalFieldMatch) piFieldMatch).value(), is(copyFrom(new byte[] { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 })));
                break;
            default:
                Assert.fail();
        }
    }
}

Example 4 with PiFieldMatch

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

the class CriterionJsonMatcher method matchCriterion.

/**
 * Matches a protocol-independent Type criterion object.
 *
 * @param criterion criterion to match
 * @return true if the JSON matches the criterion, false otherwise.
 */
private boolean matchCriterion(PiCriterion criterion) {
    Collection<PiFieldMatch> piFieldMatches = criterion.fieldMatches();
    JsonNode jsonMathes = jsonCriterion.get("matches");
    if (!jsonMathes.isArray()) {
        return false;
    }
    for (JsonNode matchNode : jsonMathes) {
        for (PiFieldMatch fieldMatch : piFieldMatches) {
            if (!Objects.equals(matchNode.get("field").textValue(), fieldMatch.fieldId().id())) {
                description.appendText("match field was " + fieldMatch.fieldId().id());
                return false;
            }
            if (!Objects.equals(matchNode.get("match").textValue(), fieldMatch.type().name().toLowerCase())) {
                description.appendText("match type was " + fieldMatch.type().name().toLowerCase());
                return false;
            }
            switch(fieldMatch.type()) {
                case EXACT:
                    if (!Objects.equals(copyFrom(HexString.fromHexString(matchNode.get("value").textValue(), null)), ((PiExactFieldMatch) fieldMatch).value())) {
                        description.appendText("match value was " + ((PiExactFieldMatch) fieldMatch).value());
                        return false;
                    }
                    break;
                case LPM:
                    if (!Objects.equals(copyFrom(HexString.fromHexString(matchNode.get("value").textValue(), null)), ((PiLpmFieldMatch) fieldMatch).value())) {
                        description.appendText("match value was " + ((PiLpmFieldMatch) fieldMatch).value());
                        return false;
                    }
                    if (!Objects.equals(matchNode.get("prefixLength").intValue(), ((PiLpmFieldMatch) fieldMatch).prefixLength())) {
                        description.appendText("match prefix was " + ((PiLpmFieldMatch) fieldMatch).prefixLength());
                        return false;
                    }
                    break;
                case TERNARY:
                    if (!Objects.equals(copyFrom(HexString.fromHexString(matchNode.get("value").textValue(), null)), ((PiTernaryFieldMatch) fieldMatch).value())) {
                        description.appendText("match value was " + ((PiTernaryFieldMatch) fieldMatch).value());
                        return false;
                    }
                    if (!Objects.equals(copyFrom(HexString.fromHexString(matchNode.get("mask").textValue(), null)), ((PiTernaryFieldMatch) fieldMatch).mask())) {
                        description.appendText("match mask was " + ((PiTernaryFieldMatch) fieldMatch).mask());
                        return false;
                    }
                    break;
                case RANGE:
                    if (!Objects.equals(copyFrom(HexString.fromHexString(matchNode.get("highValue").textValue(), null)), ((PiRangeFieldMatch) fieldMatch).highValue())) {
                        description.appendText("match high value was " + ((PiRangeFieldMatch) fieldMatch).highValue());
                        return false;
                    }
                    if (!Objects.equals(copyFrom(HexString.fromHexString(matchNode.get("lowValue").textValue(), null)), ((PiRangeFieldMatch) fieldMatch).lowValue())) {
                        description.appendText("match low value was " + ((PiRangeFieldMatch) fieldMatch).lowValue());
                        return false;
                    }
                    break;
                case OPTIONAL:
                    if (!Objects.equals(copyFrom(HexString.fromHexString(matchNode.get("value").textValue(), null)), ((PiOptionalFieldMatch) fieldMatch).value())) {
                        description.appendText("match value was " + ((PiOptionalFieldMatch) fieldMatch).value());
                        return false;
                    }
                    break;
                default:
                    description.appendText("match type was " + fieldMatch.type().name().toLowerCase());
                    return false;
            }
        }
    }
    return true;
}

Example 5 with PiFieldMatch

use of org.onosproject.net.pi.runtime.PiFieldMatch 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();
}