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

Example 6 with PiPacketOperation

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

the class PipelineInterpreterImpl method mapInboundPacket.

@Override
public InboundPacket mapInboundPacket(PiPacketOperation packetIn, DeviceId deviceId) throws PiInterpreterException {
    // We assume that the packet is ethernet, which is fine since mytunnel.p4
    // can deparse only ethernet packets.
    Ethernet ethPkt;
    try {
        ethPkt = Ethernet.deserializer().deserialize(packetIn.data().asArray(), 0, packetIn.data().size());
    } catch (DeserializationException dex) {
        throw new PiInterpreterException(dex.getMessage());
    }
    // Returns the ingress port packet metadata.
    Optional<PiPacketMetadata> packetMetadata = packetIn.metadatas().stream().filter(metadata -> metadata.id().toString().equals(INGRESS_PORT)).findFirst();
    if (packetMetadata.isPresent()) {
        short s = packetMetadata.get().value().asReadOnlyBuffer().getShort();
        ConnectPoint receivedFrom = new ConnectPoint(deviceId, PortNumber.portNumber(s));
        return new DefaultInboundPacket(receivedFrom, ethPkt, packetIn.data().asReadOnlyBuffer());
    } else {
        throw new PiInterpreterException(format("Missing metadata '%s' in packet-in received from '%s': %s", INGRESS_PORT, deviceId, packetIn));
    }
}

Example 7 with PiPacketOperation

use of org.onosproject.net.pi.runtime.PiPacketOperation in project fabric-tna by stratum.

the class FabricInterpreter method mapInboundPacket.

@Override
public InboundPacket mapInboundPacket(PiPacketOperation packetIn, DeviceId deviceId) throws PiInterpreterException {
    // Assuming that the packet is ethernet, which is fine since fabric.p4
    // can deparse only ethernet packets.
    Ethernet ethPkt;
    try {
        ethPkt = Ethernet.deserializer().deserialize(packetIn.data().asArray(), 0, packetIn.data().size());
    } catch (DeserializationException dex) {
        throw new PiInterpreterException(dex.getMessage());
    }
    // Returns the ingress port packet metadata.
    Optional<PiPacketMetadata> packetMetadata = packetIn.metadatas().stream().filter(m -> m.id().equals(P4InfoConstants.INGRESS_PORT)).findFirst();
    if (packetMetadata.isPresent()) {
        try {
            ImmutableByteSequence portByteSequence = packetMetadata.get().value().fit(P4InfoConstants.INGRESS_PORT_BITWIDTH);
            UnsignedInteger ui = UnsignedInteger.fromIntBits(portByteSequence.asReadOnlyBuffer().getInt());
            ConnectPoint receivedFrom = new ConnectPoint(deviceId, PortNumber.portNumber(ui.longValue()));
            if (!receivedFrom.port().hasName()) {
                receivedFrom = translateSwitchPort(receivedFrom);
            }
            ByteBuffer rawData = ByteBuffer.wrap(packetIn.data().asArray());
            return new DefaultInboundPacket(receivedFrom, ethPkt, rawData);
        } catch (ImmutableByteSequence.ByteSequenceTrimException e) {
            throw new PiInterpreterException(format("Malformed metadata '%s' in packet-in received from '%s': %s", P4InfoConstants.INGRESS_PORT, deviceId, packetIn));
        }
    } else {
        throw new PiInterpreterException(format("Missing metadata '%s' in packet-in received from '%s': %s", P4InfoConstants.INGRESS_PORT, deviceId, packetIn));
    }
}

Example 8 with PiPacketOperation

use of org.onosproject.net.pi.runtime.PiPacketOperation in project fabric-tna by stratum.

the class FabricInterpreterTest method testMapInboundPacket.

@Test
public void testMapInboundPacket() throws ImmutableByteSequence.ByteSequenceTrimException, PiPipelineInterpreter.PiInterpreterException {
    PortNumber inputPort = PortNumber.portNumber(1);
    PiPacketMetadata pktInMetadata = PiPacketMetadata.builder().withId(P4InfoConstants.INGRESS_PORT).withValue(ImmutableByteSequence.copyFrom(inputPort.toLong()).fit(P4InfoConstants.INGRESS_PORT_BITWIDTH)).build();
    Ethernet packet = new Ethernet();
    packet.setDestinationMACAddress(SRC_MAC);
    packet.setSourceMACAddress(DST_MAC);
    packet.setEtherType((short) 0xBA00);
    packet.setPayload(new Data());
    PiPacketOperation pktInOp = PiPacketOperation.builder().withMetadata(pktInMetadata).withData(ImmutableByteSequence.copyFrom(packet.serialize())).withType(PiPacketOperationType.PACKET_IN).build();
    InboundPacket result = interpreter.mapInboundPacket(pktInOp, DEVICE_ID);
    ConnectPoint receiveFrom = new ConnectPoint(DEVICE_ID, inputPort);
    InboundPacket expectedInboundPacket = new DefaultInboundPacket(receiveFrom, packet, ByteBuffer.wrap(packet.serialize()));
    assertEquals(result.receivedFrom(), expectedInboundPacket.receivedFrom());
    assertEquals(result.parsed(), expectedInboundPacket.parsed());
    assertEquals(result.cookie(), expectedInboundPacket.cookie());
    assertEquals(result.unparsed(), expectedInboundPacket.unparsed());
}

Example 9 with PiPacketOperation

use of org.onosproject.net.pi.runtime.PiPacketOperation in project fabric-tna by stratum.

the class FabricInterpreterTest method testMapOutboundPacketWithoutForwarding.

@Test
public void testMapOutboundPacketWithoutForwarding() throws PiPipelineInterpreter.PiInterpreterException, ImmutableByteSequence.ByteSequenceTrimException {
    PortNumber outputPort = PortNumber.portNumber(1);
    TrafficTreatment outputTreatment = DefaultTrafficTreatment.builder().setOutput(outputPort).build();
    ByteBuffer data = ByteBuffer.allocate(64);
    OutboundPacket outPkt = new DefaultOutboundPacket(DEVICE_ID, outputTreatment, data);
    Collection<PiPacketOperation> result = interpreter.mapOutboundPacket(outPkt);
    assertEquals(result.size(), 1);
    ImmutableList.Builder<PiPacketMetadata> builder = ImmutableList.builder();
    builder.add(PiPacketMetadata.builder().withId(P4InfoConstants.PAD0).withValue(ImmutableByteSequence.copyFrom(0).fit(P4InfoConstants.PAD0_BITWIDTH)).build());
    builder.add(PiPacketMetadata.builder().withId(P4InfoConstants.EGRESS_PORT).withValue(ImmutableByteSequence.copyFrom(outputPort.toLong()).fit(P4InfoConstants.EGRESS_PORT_BITWIDTH)).build());
    builder.add(PiPacketMetadata.builder().withId(P4InfoConstants.PAD1).withValue(ImmutableByteSequence.copyFrom(0).fit(P4InfoConstants.PAD1_BITWIDTH)).build());
    builder.add(PiPacketMetadata.builder().withId(P4InfoConstants.QUEUE_ID).withValue(ImmutableByteSequence.copyFrom(SYSTEM_QUEUE_ID).fit(P4InfoConstants.QUEUE_ID_BITWIDTH)).build());
    builder.add(PiPacketMetadata.builder().withId(P4InfoConstants.PAD2).withValue(ImmutableByteSequence.copyFrom(0).fit(P4InfoConstants.PAD2_BITWIDTH)).build());
    builder.add(PiPacketMetadata.builder().withId(P4InfoConstants.CPU_LOOPBACK_MODE).withValue(ImmutableByteSequence.copyFrom(0).fit(P4InfoConstants.CPU_LOOPBACK_MODE_BITWIDTH)).build());
    builder.add(PiPacketMetadata.builder().withId(P4InfoConstants.DO_FORWARDING).withValue(ImmutableByteSequence.copyFrom(0).fit(P4InfoConstants.DO_FORWARDING_BITWIDTH)).build());
    builder.add(PiPacketMetadata.builder().withId(P4InfoConstants.PAD3).withValue(ImmutableByteSequence.copyFrom(0).fit(P4InfoConstants.PAD3_BITWIDTH)).build());
    builder.add(PiPacketMetadata.builder().withId(P4InfoConstants.PAD4).withValue(ImmutableByteSequence.copyFrom(0).fit(P4InfoConstants.PAD4_BITWIDTH)).build());
    builder.add(PiPacketMetadata.builder().withId(P4InfoConstants.ETHER_TYPE).withValue(ImmutableByteSequence.copyFrom(0xBF01).fit(P4InfoConstants.ETHER_TYPE_BITWIDTH)).build());
    PiPacketOperation expectedPktOp = PiPacketOperation.builder().withType(PiPacketOperationType.PACKET_OUT).withData(ImmutableByteSequence.copyFrom(data)).withMetadatas(builder.build()).build();
    assertEquals(expectedPktOp, result.iterator().next());
}

Example 10 with PiPacketOperation

use of org.onosproject.net.pi.runtime.PiPacketOperation in project fabric-tna by stratum.

the class FabricInterpreterTest method testMapInboundPacketWithPortTranslation.

@Test
public void testMapInboundPacketWithPortTranslation() throws ImmutableByteSequence.ByteSequenceTrimException, PiPipelineInterpreter.PiInterpreterException {
    PortNumber inputPort = PortNumber.portNumber(1, "ONE");
    ConnectPoint receiveFrom = new ConnectPoint(DEVICE_ID, inputPort);
    Port port = createNiceMock(Port.class);
    expect(port.number()).andReturn(inputPort).anyTimes();
    replay(port);
    expect(deviceService.getPort(receiveFrom)).andReturn(port).anyTimes();
    replay(deviceService);
    PiPacketMetadata pktInMetadata = PiPacketMetadata.builder().withId(P4InfoConstants.INGRESS_PORT).withValue(ImmutableByteSequence.copyFrom(inputPort.toLong()).fit(P4InfoConstants.INGRESS_PORT_BITWIDTH)).build();
    Ethernet packet = new Ethernet();
    packet.setDestinationMACAddress(SRC_MAC);
    packet.setSourceMACAddress(DST_MAC);
    packet.setEtherType((short) 0xBA00);
    packet.setPayload(new Data());
    PiPacketOperation pktInOp = PiPacketOperation.builder().withMetadata(pktInMetadata).withData(ImmutableByteSequence.copyFrom(packet.serialize())).withType(PiPacketOperationType.PACKET_IN).build();
    InboundPacket result = interpreter.mapInboundPacket(pktInOp, DEVICE_ID);
    InboundPacket expectedInboundPacket = new DefaultInboundPacket(receiveFrom, packet, ByteBuffer.wrap(packet.serialize()));
    assertEquals(result.receivedFrom(), expectedInboundPacket.receivedFrom());
    assertEquals(result.receivedFrom().port().name(), expectedInboundPacket.receivedFrom().port().name());
    assertEquals(result.parsed(), expectedInboundPacket.parsed());
    assertEquals(result.cookie(), expectedInboundPacket.cookie());
    assertEquals(result.unparsed(), expectedInboundPacket.unparsed());
}