use of org.onosproject.net.pi.runtime.PiPacketOperation in project TFG by mattinelorza.
the class InterpreterImpl method mapInboundPacket.
/**
* Returns an ONS InboundPacket equivalent to the given pipeconf-specific
* packet-in operation.
*
* @param packetIn packet operation
* @param deviceId ID of the device that originated the packet-in
* @return inbound packet
* @throws PiInterpreterException if the packet operation cannot be mapped
* to an inbound packet
*/
@Override
public InboundPacket mapInboundPacket(PiPacketOperation packetIn, DeviceId deviceId) throws PiInterpreterException {
// Find the ingress_port metadata.
// *** TODO EXERCISE 4: modify metadata names to match P4Info
// ---- START SOLUTION ----
final String inportMetadataName = "ADD HERE METADATA NAME FOR THE INGRESS PORT";
// ---- END SOLUTION ----
Optional<PiPacketMetadata> inportMetadata = packetIn.metadatas().stream().filter(meta -> meta.id().id().equals(inportMetadataName)).findFirst();
if (!inportMetadata.isPresent()) {
throw new PiInterpreterException(format("Missing metadata '%s' in packet-in received from '%s': %s", inportMetadataName, deviceId, packetIn));
}
// Build ONOS InboundPacket instance with the given ingress port.
// 1. Parse packet-in object into Ethernet packet instance.
final byte[] payloadBytes = packetIn.data().asArray();
final ByteBuffer rawData = ByteBuffer.wrap(payloadBytes);
final Ethernet ethPkt;
try {
ethPkt = Ethernet.deserializer().deserialize(payloadBytes, 0, packetIn.data().size());
} catch (DeserializationException dex) {
throw new PiInterpreterException(dex.getMessage());
}
// 2. Get ingress port
final ImmutableByteSequence portBytes = inportMetadata.get().value();
final short portNum = portBytes.asReadOnlyBuffer().getShort();
final ConnectPoint receivedFrom = new ConnectPoint(deviceId, PortNumber.portNumber(portNum));
return new DefaultInboundPacket(receivedFrom, ethPkt, rawData);
}
use of org.onosproject.net.pi.runtime.PiPacketOperation in project fabric-tna by stratum.
the class FabricInterpreterTest method testMapInboundPacketWithShortMetadata.
@Test
public void testMapInboundPacketWithShortMetadata() throws ImmutableByteSequence.ByteSequenceTrimException, PiPipelineInterpreter.PiInterpreterException {
PortNumber inputPort = PortNumber.portNumber(1);
PiPacketMetadata pktInMetadata = PiPacketMetadata.builder().withId(P4InfoConstants.INGRESS_PORT).withValue(// deliberately smaller
ImmutableByteSequence.copyFrom(inputPort.toLong()).fit(8)).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());
}
use of org.onosproject.net.pi.runtime.PiPacketOperation in project fabric-tna by stratum.
the class FabricInterpreterTest method testMapInboundPacketWithCpuPort.
@Test
public void testMapInboundPacketWithCpuPort() throws ImmutableByteSequence.ByteSequenceTrimException, PiPipelineInterpreter.PiInterpreterException {
PortNumber inputPort = PortNumber.portNumber(Constants.PORT_CPU);
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());
}
use of org.onosproject.net.pi.runtime.PiPacketOperation in project fabric-tna by stratum.
the class FabricInterpreterTest method testMapOutboundPacketWithForwarding.
@Test
public void testMapOutboundPacketWithForwarding() throws PiPipelineInterpreter.PiInterpreterException, ImmutableByteSequence.ByteSequenceTrimException {
PortNumber outputPort = PortNumber.TABLE;
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(0).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(1).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());
}
use of org.onosproject.net.pi.runtime.PiPacketOperation in project fabric-tna by stratum.
the class FabricInterpreter method mapOutboundPacket.
@Override
public Collection<PiPacketOperation> mapOutboundPacket(OutboundPacket packet) throws PiInterpreterException {
TrafficTreatment treatment = packet.treatment();
// We support only OUTPUT instructions.
List<Instructions.OutputInstruction> outInstructions = treatment.allInstructions().stream().filter(i -> i.type().equals(OUTPUT)).map(i -> (Instructions.OutputInstruction) i).collect(toList());
if (treatment.allInstructions().size() != outInstructions.size()) {
// There are other instructions that are not of type OUTPUT.
throw new PiInterpreterException("Treatment not supported: " + treatment);
}
ImmutableList.Builder<PiPacketOperation> builder = ImmutableList.builder();
for (Instructions.OutputInstruction outInst : outInstructions) {
if (outInst.port().equals(TABLE)) {
// Logical port. Forward using the switch tables like a regular packet.
builder.add(createPiPacketOperation(packet.data(), 0, true));
} else if (outInst.port().equals(FLOOD)) {
// Logical port. Create a packet operation for each switch port.
final DeviceService deviceService = handler().get(DeviceService.class);
for (Port port : deviceService.getPorts(packet.sendThrough())) {
builder.add(createPiPacketOperation(packet.data(), port.number().toLong(), false));
}
} else if (outInst.port().isLogical()) {
throw new PiInterpreterException(format("Output on logical port '%s' not supported", outInst.port()));
} else {
// Send as-is to given port bypassing all switch tables.
builder.add(createPiPacketOperation(packet.data(), outInst.port().toLong(), false));
}
}
return builder.build();
}
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