[ONOS-7131] Add Interpreter for fabric.p4

Change-Id: I21e36f968555b3c375e6009072764442e2a10270
This commit is contained in:
Yi Tseng 2017-11-03 10:22:38 -07:00
parent be3420529a
commit fa4a1c7747
5 changed files with 711 additions and 0 deletions

View File

@ -155,4 +155,6 @@ public final class FabricConstants {
// Packet Metadata IDs
public static final PiControlMetadataId CTRL_META_EGRESS_PORT_ID = PiControlMetadataId.of("egress_port");
public static final PiControlMetadataId CTRL_META_INGRESS_PORT_ID = PiControlMetadataId.of("ingress_port");
public static final int PORT_BITWIDTH = 9;
}

View File

@ -0,0 +1,269 @@
/*
* Copyright 2017-present Open Networking Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.pipelines.fabric;
import com.google.common.collect.ImmutableBiMap;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import org.onlab.packet.DeserializationException;
import org.onlab.packet.Ethernet;
import org.onlab.util.ImmutableByteSequence;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.DeviceId;
import org.onosproject.net.Port;
import org.onosproject.net.PortNumber;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.driver.AbstractHandlerBehaviour;
import org.onosproject.net.flow.TrafficTreatment;
import org.onosproject.net.flow.criteria.Criterion;
import org.onosproject.net.flow.instructions.Instructions;
import org.onosproject.net.packet.DefaultInboundPacket;
import org.onosproject.net.packet.InboundPacket;
import org.onosproject.net.packet.OutboundPacket;
import org.onosproject.net.pi.model.PiCounterId;
import org.onosproject.net.pi.model.PiMatchFieldId;
import org.onosproject.net.pi.model.PiPipelineInterpreter;
import org.onosproject.net.pi.model.PiTableId;
import org.onosproject.net.pi.runtime.PiAction;
import org.onosproject.net.pi.runtime.PiControlMetadata;
import org.onosproject.net.pi.runtime.PiPacketOperation;
import java.nio.ByteBuffer;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import static java.lang.String.format;
import static java.util.stream.Collectors.toList;
import static org.onlab.util.ImmutableByteSequence.copyFrom;
import static org.onlab.util.ImmutableByteSequence.fit;
import static org.onosproject.net.PortNumber.FLOOD;
import static org.onosproject.net.flow.instructions.Instruction.Type.OUTPUT;
import static org.onosproject.net.pi.model.PiPacketOperationType.PACKET_OUT;
/**
* Interpreter for fabric pipeline.
*/
public class FabricInterpreter extends AbstractHandlerBehaviour
implements PiPipelineInterpreter {
private static final ImmutableBiMap<Integer, PiTableId> TABLE_ID_MAP =
ImmutableBiMap.<Integer, PiTableId>builder()
// Filtering
.put(0, FabricConstants.TBL_INGRESS_PORT_VLAN_ID)
.put(1, FabricConstants.TBL_FWD_CLASSIFIER_ID)
// Forwarding
.put(2, FabricConstants.TBL_MPLS_ID)
.put(3, FabricConstants.TBL_UNICAST_V4_ID)
.put(4, FabricConstants.TBL_UNICAST_V6_ID)
.put(5, FabricConstants.TBL_MULTICAST_V4_ID)
.put(6, FabricConstants.TBL_MULTICAST_V6_ID)
.put(7, FabricConstants.TBL_BRIDGING_ID)
.put(8, FabricConstants.TBL_ACL_ID)
// Next
.put(9, FabricConstants.TBL_NEXT_ID_MAPPING_ID)
.put(10, FabricConstants.TBL_SIMPLE_ID)
.put(11, FabricConstants.TBL_HASHED_ID)
.put(12, FabricConstants.TBL_BROADCAST_ID)
.build();
private static final Set<PiTableId> FILTERING_CTRL_TBLS = ImmutableSet.of(FabricConstants.TBL_INGRESS_PORT_VLAN_ID,
FabricConstants.TBL_FWD_CLASSIFIER_ID);
private static final Set<PiTableId> FORWARDING_CTRL_TBLS = ImmutableSet.of(FabricConstants.TBL_MPLS_ID,
FabricConstants.TBL_UNICAST_V4_ID,
FabricConstants.TBL_UNICAST_V6_ID,
FabricConstants.TBL_MULTICAST_V4_ID,
FabricConstants.TBL_MULTICAST_V6_ID,
FabricConstants.TBL_BRIDGING_ID,
FabricConstants.TBL_ACL_ID);
private static final Set<PiTableId> NEXT_CTRL_TBLS = ImmutableSet.of(FabricConstants.TBL_NEXT_ID_MAPPING_ID,
FabricConstants.TBL_SIMPLE_ID,
FabricConstants.TBL_HASHED_ID,
FabricConstants.TBL_BROADCAST_ID);
private static final ImmutableBiMap<PiTableId, PiCounterId> TABLE_COUNTER_MAP =
ImmutableBiMap.<PiTableId, PiCounterId>builder()
.put(FabricConstants.TBL_MULTICAST_V4_ID, FabricConstants.CNT_MULTICAST_V4_COUNTER_ID)
.put(FabricConstants.TBL_MULTICAST_V6_ID, FabricConstants.CNT_MULTICAST_V6_COUNTER_ID)
.put(FabricConstants.TBL_FWD_CLASSIFIER_ID, FabricConstants.CNT_FWD_CLASSIFIER_COUNTER_ID)
.put(FabricConstants.TBL_ACL_ID, FabricConstants.CNT_ACL_COUNTER_ID)
.put(FabricConstants.TBL_BROADCAST_ID, FabricConstants.CNT_BROADCAST_COUNTER_ID)
.put(FabricConstants.TBL_HASHED_ID, FabricConstants.CNT_HASHED_COUNTER_ID)
.put(FabricConstants.TBL_INGRESS_PORT_VLAN_ID, FabricConstants.CNT_INGRESS_PORT_VLAN_COUNTER_ID)
.put(FabricConstants.TBL_NEXT_ID_MAPPING_ID, FabricConstants.CNT_NEXT_ID_MAPPING_COUNTER_ID)
.put(FabricConstants.TBL_UNICAST_V6_ID, FabricConstants.CNT_UNICAST_V6_COUNTER_ID)
.put(FabricConstants.TBL_SIMPLE_ID, FabricConstants.CNT_SIMPLE_COUNTER_ID)
.put(FabricConstants.TBL_BRIDGING_ID, FabricConstants.CNT_BRIDGING_COUNTER_ID)
.put(FabricConstants.TBL_UNICAST_V4_ID, FabricConstants.CNT_UNICAST_V4_COUNTER_ID)
.put(FabricConstants.TBL_MPLS_ID, FabricConstants.CNT_MPLS_COUNTER_ID)
.build();
private static final ImmutableBiMap<Criterion.Type, PiMatchFieldId> CRITERION_MAP =
ImmutableBiMap.<Criterion.Type, PiMatchFieldId>builder()
.put(Criterion.Type.IN_PORT, FabricConstants.HF_STANDARD_METADATA_INGRESS_PORT_ID)
.put(Criterion.Type.ETH_DST, FabricConstants.HF_ETHERNET_DST_ADDR_ID)
.put(Criterion.Type.ETH_SRC, FabricConstants.HF_ETHERNET_SRC_ADDR_ID)
.put(Criterion.Type.ETH_TYPE, FabricConstants.HF_ETHERNET_ETHER_TYPE_ID)
.put(Criterion.Type.MPLS_BOS, FabricConstants.HF_MPLS_BOS_ID)
.put(Criterion.Type.MPLS_LABEL, FabricConstants.HF_MPLS_LABEL_ID)
.put(Criterion.Type.MPLS_TC, FabricConstants.HF_MPLS_TC_ID)
.put(Criterion.Type.VLAN_VID, FabricConstants.HF_VLAN_TAG_VLAN_ID_ID)
.put(Criterion.Type.VLAN_PCP, FabricConstants.HF_VLAN_TAG_PRI_ID)
.put(Criterion.Type.IPV4_DST, FabricConstants.HF_IPV4_DST_ADDR_ID)
.put(Criterion.Type.IPV4_SRC, FabricConstants.HF_IPV4_SRC_ADDR_ID)
.put(Criterion.Type.IPV6_DST, FabricConstants.HF_IPV6_DST_ADDR_ID)
.put(Criterion.Type.IPV6_SRC, FabricConstants.HF_IPV6_SRC_ADDR_ID)
.put(Criterion.Type.TCP_SRC, FabricConstants.HF_TCP_SRC_PORT_ID)
.put(Criterion.Type.TCP_DST, FabricConstants.HF_TCP_DST_PORT_ID)
.put(Criterion.Type.UDP_SRC, FabricConstants.HF_UDP_SRC_PORT_ID)
.put(Criterion.Type.UDP_DST, FabricConstants.HF_UDP_DST_PORT_ID)
.put(Criterion.Type.IP_PROTO, FabricConstants.HF_FABRIC_METADATA_IP_PROTO_ID)
.put(Criterion.Type.ICMPV6_TYPE, FabricConstants.HF_ICMP_ICMP_TYPE_ID)
.put(Criterion.Type.ICMPV6_CODE, FabricConstants.HF_ICMP_ICMP_CODE_ID)
.build();
@Override
public Optional<PiMatchFieldId> mapCriterionType(Criterion.Type type) {
return Optional.ofNullable(CRITERION_MAP.get(type));
}
@Override
public Optional<Criterion.Type> mapPiMatchFieldId(PiMatchFieldId fieldId) {
return Optional.ofNullable(CRITERION_MAP.inverse().get(fieldId));
}
@Override
public Optional<PiTableId> mapFlowRuleTableId(int flowRuleTableId) {
return Optional.ofNullable(TABLE_ID_MAP.get(flowRuleTableId));
}
@Override
public Optional<Integer> mapPiTableId(PiTableId piTableId) {
return Optional.ofNullable(TABLE_ID_MAP.inverse().get(piTableId));
}
@Override
public PiAction mapTreatment(TrafficTreatment treatment, PiTableId piTableId)
throws PiInterpreterException {
if (FILTERING_CTRL_TBLS.contains(piTableId)) {
return FabricTreatmentInterpreter.mapFilteringTreatment(treatment);
} else if (FORWARDING_CTRL_TBLS.contains(piTableId)) {
return FabricTreatmentInterpreter.mapForwardingTreatment(treatment);
} else if (NEXT_CTRL_TBLS.contains(piTableId)) {
return FabricTreatmentInterpreter.mapNextTreatment(treatment);
} else {
throw new PiInterpreterException(String.format("Table %s unsupported", piTableId));
}
}
@Override
public Optional<PiCounterId> mapTableCounter(PiTableId piTableId) {
return Optional.ofNullable(TABLE_COUNTER_MAP.get(piTableId));
}
private PiPacketOperation createPiPacketOperation(DeviceId deviceId, ByteBuffer data, long portNumber)
throws PiInterpreterException {
PiControlMetadata metadata = createPacketMetadata(portNumber);
return PiPacketOperation.builder()
.forDevice(deviceId)
.withType(PACKET_OUT)
.withData(copyFrom(data))
.withMetadatas(ImmutableList.of(metadata))
.build();
}
private PiControlMetadata createPacketMetadata(long portNumber) throws PiInterpreterException {
try {
return PiControlMetadata.builder()
.withId(FabricConstants.CTRL_META_EGRESS_PORT_ID)
.withValue(fit(copyFrom(portNumber), FabricConstants.PORT_BITWIDTH))
.build();
} catch (ImmutableByteSequence.ByteSequenceTrimException e) {
throw new PiInterpreterException(format(
"Port number %d too big, %s", portNumber, e.getMessage()));
}
}
@Override
public Collection<PiPacketOperation> mapOutboundPacket(OutboundPacket packet)
throws PiInterpreterException {
DeviceId deviceId = packet.sendThrough();
TrafficTreatment treatment = packet.treatment();
// fabric.p4 supports 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().isLogical() && !outInst.port().equals(FLOOD)) {
throw new PiInterpreterException(format(
"Output on logical port '%s' not supported", outInst.port()));
} else if (outInst.port().equals(FLOOD)) {
// Since fabric.p4 does not support flooding, we 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(deviceId, packet.data(), port.number().toLong()));
}
} else {
builder.add(createPiPacketOperation(deviceId, packet.data(), outInst.port().toLong()));
}
}
return builder.build();
}
@Override
public InboundPacket mapInboundPacket(PiPacketOperation packetIn) throws PiInterpreterException {
// Assuming that the packet is ethernet, which is fine since fabric.p4
// can deparse only ethernet packets.
DeviceId deviceId = packetIn.deviceId();
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<PiControlMetadata> packetMetadata = packetIn.metadatas()
.stream().filter(m -> m.id().equals(FabricConstants.CTRL_META_INGRESS_PORT_ID))
.findFirst();
if (packetMetadata.isPresent()) {
ImmutableByteSequence portByteSequence = packetMetadata.get().value();
short s = portByteSequence.asReadOnlyBuffer().getShort();
ConnectPoint receivedFrom = new ConnectPoint(deviceId, PortNumber.portNumber(s));
ByteBuffer rawData = ByteBuffer.wrap(packetIn.data().asArray());
return new DefaultInboundPacket(receivedFrom, ethPkt, rawData);
} else {
throw new PiInterpreterException(format(
"Missing metadata '%s' in packet-in received from '%s': %s",
FabricConstants.CTRL_META_INGRESS_PORT_ID, deviceId, packetIn));
}
}
}

View File

@ -0,0 +1,237 @@
/*
* Copyright 2017-present Open Networking Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.pipelines.fabric;
import com.google.common.collect.ImmutableList;
import org.onlab.packet.MacAddress;
import org.onlab.packet.VlanId;
import org.onlab.util.ImmutableByteSequence;
import org.onosproject.net.PortNumber;
import org.onosproject.net.flow.TrafficTreatment;
import org.onosproject.net.flow.instructions.Instruction;
import org.onosproject.net.flow.instructions.Instructions;
import org.onosproject.net.flow.instructions.Instructions.OutputInstruction;
import org.onosproject.net.flow.instructions.L2ModificationInstruction;
import org.onosproject.net.flow.instructions.L2ModificationInstruction.ModEtherInstruction;
import org.onosproject.net.flow.instructions.L2ModificationInstruction.ModVlanIdInstruction;
import org.onosproject.net.pi.model.PiActionId;
import org.onosproject.net.pi.model.PiPipelineInterpreter.PiInterpreterException;
import org.onosproject.net.pi.runtime.PiAction;
import org.onosproject.net.pi.runtime.PiActionParam;
import java.util.List;
import static java.lang.String.format;
import static org.onosproject.net.flow.instructions.Instruction.Type.L2MODIFICATION;
import static org.onosproject.net.flow.instructions.Instruction.Type.OUTPUT;
import static org.onosproject.net.flow.instructions.L2ModificationInstruction.L2SubType.ETH_DST;
import static org.onosproject.net.flow.instructions.L2ModificationInstruction.L2SubType.ETH_SRC;
import static org.onosproject.net.flow.instructions.L2ModificationInstruction.L2SubType.VLAN_ID;
import static org.onosproject.net.flow.instructions.L2ModificationInstruction.L2SubType.VLAN_PUSH;
final class FabricTreatmentInterpreter {
private static final String INVALID_TREATMENT = "Invalid treatment for %s block: %s";
// Hide default constructor
protected FabricTreatmentInterpreter() {
}
/*
* In Filtering block, we need to implement these actions:
*
* push_internal_vlan
* set_vlan
* nop
*
* Unsupported, using PiAction directly:
* set_forwarding_type
*/
static PiAction mapFilteringTreatment(TrafficTreatment treatment)
throws PiInterpreterException {
List<Instruction> instructions = treatment.allInstructions();
Instruction noActInst = Instructions.createNoAction();
if (instructions.isEmpty() || instructions.contains(noActInst)) {
// nop
return PiAction.builder()
.withId(FabricConstants.ACT_NOP_ID)
.build();
}
L2ModificationInstruction.ModVlanHeaderInstruction pushVlanInst = null;
ModVlanIdInstruction setVlanInst = null;
for (Instruction inst : instructions) {
if (inst.type() == L2MODIFICATION) {
L2ModificationInstruction l2Inst = (L2ModificationInstruction) inst;
if (l2Inst.subtype() == VLAN_PUSH) {
pushVlanInst = (L2ModificationInstruction.ModVlanHeaderInstruction) l2Inst;
} else if (l2Inst.subtype() == VLAN_ID) {
setVlanInst = (ModVlanIdInstruction) l2Inst;
}
}
}
if (setVlanInst == null) {
throw new PiInterpreterException(format(INVALID_TREATMENT, "filtering", treatment));
}
VlanId vlanId = setVlanInst.vlanId();
PiActionParam param = new PiActionParam(FabricConstants.ACT_PRM_NEW_VLAN_ID_ID,
ImmutableByteSequence.copyFrom(vlanId.toShort()));
PiActionId actionId;
if (pushVlanInst != null) {
// push_internal_vlan
actionId = FabricConstants.ACT_PUSH_INTERNAL_VLAN_ID;
} else {
actionId = FabricConstants.ACT_SET_VLAN_ID;
}
// set_vlan
return PiAction.builder()
.withId(actionId)
.withParameter(param)
.build();
}
/*
* In forwarding block, we need to implement these actions:
* duplicate_to_controller
*
* Unsupported, using PiAction directly:
* set_next_id
* push_mpls_and_next_v4
* push_mpls_and_next_v6
*/
public static PiAction mapForwardingTreatment(TrafficTreatment treatment)
throws PiInterpreterException {
List<Instruction> insts = treatment.allInstructions();
OutputInstruction outInst = insts.stream()
.filter(inst -> inst.type() == OUTPUT)
.map(inst -> (OutputInstruction) inst)
.findFirst()
.orElse(null);
if (outInst == null) {
throw new PiInterpreterException(format(INVALID_TREATMENT, "forwarding", treatment));
}
PortNumber portNumber = outInst.port();
if (!portNumber.equals(PortNumber.CONTROLLER)) {
throw new PiInterpreterException(format("Unsupported port number %s," +
"supports punt action only",
portNumber));
}
return PiAction.builder()
.withId(FabricConstants.ACT_DUPLICATE_TO_CONTROLLER_ID)
.build();
}
/*
* In Next block, we need to implement these actions:
* output
* output_ecmp
* set_vlan_output
*
* Unsupported, using PiAction directly:
* set_mcast_group
*/
public static PiAction mapNextTreatment(TrafficTreatment treatment)
throws PiInterpreterException {
List<Instruction> insts = treatment.allInstructions();
OutputInstruction outInst = null;
ModEtherInstruction modEthDstInst = null;
ModEtherInstruction modEthSrcInst = null;
ModVlanIdInstruction modVlanIdInst = null;
// TODO: use matrix to store the combination of instruction
for (Instruction inst : insts) {
switch (inst.type()) {
case L2MODIFICATION:
L2ModificationInstruction l2Inst = (L2ModificationInstruction) inst;
if (l2Inst.subtype() == ETH_SRC) {
modEthSrcInst = (ModEtherInstruction) l2Inst;
}
if (l2Inst.subtype() == ETH_DST) {
modEthDstInst = (ModEtherInstruction) l2Inst;
}
if (l2Inst.subtype() == VLAN_ID) {
modVlanIdInst = (ModVlanIdInstruction) l2Inst;
}
break;
case OUTPUT:
outInst = (OutputInstruction) inst;
break;
default:
break;
}
}
if (outInst == null) {
throw new PiInterpreterException(format(INVALID_TREATMENT, "next", treatment));
}
short portNum = (short) outInst.port().toLong();
PiActionParam portNumParam = new PiActionParam(FabricConstants.ACT_PRM_PORT_NUM_ID,
ImmutableByteSequence.copyFrom(portNum));
if (modEthDstInst == null && modEthSrcInst == null) {
if (modVlanIdInst != null) {
VlanId vlanId = modVlanIdInst.vlanId();
PiActionParam vlanParam =
new PiActionParam(FabricConstants.ACT_PRM_NEW_VLAN_ID_ID,
ImmutableByteSequence.copyFrom(vlanId.toShort()));
// set_vlan_output
return PiAction.builder()
.withId(FabricConstants.ACT_SET_VLAN_OUTPUT_ID)
.withParameters(ImmutableList.of(portNumParam, vlanParam))
.build();
} else {
// output
return PiAction.builder()
.withId(FabricConstants.ACT_OUTPUT_ID)
.withParameter(portNumParam)
.build();
}
}
if (modEthDstInst != null && modEthSrcInst != null) {
// output and rewrite src/dst mac
MacAddress srcMac = modEthSrcInst.mac();
MacAddress dstMac = modEthDstInst.mac();
PiActionParam srcMacParam = new PiActionParam(FabricConstants.ACT_PRM_SMAC_ID,
ImmutableByteSequence.copyFrom(srcMac.toBytes()));
PiActionParam dstMacParam = new PiActionParam(FabricConstants.ACT_PRM_DMAC_ID,
ImmutableByteSequence.copyFrom(dstMac.toBytes()));
return PiAction.builder()
.withId(FabricConstants.ACT_L3_ROUTING_ID)
.withParameters(ImmutableList.of(portNumParam,
srcMacParam,
dstMacParam))
.build();
}
throw new PiInterpreterException(format(INVALID_TREATMENT, "next", treatment));
}
}

View File

@ -26,6 +26,7 @@ import org.onosproject.net.device.PortStatisticsDiscovery;
import org.onosproject.net.pi.model.DefaultPiPipeconf;
import org.onosproject.net.pi.model.PiPipeconf;
import org.onosproject.net.pi.model.PiPipeconfId;
import org.onosproject.net.pi.model.PiPipelineInterpreter;
import org.onosproject.net.pi.model.PiPipelineModel;
import org.onosproject.net.pi.service.PiPipeconfService;
import org.onosproject.p4runtime.model.P4InfoParser;
@ -76,6 +77,7 @@ public class PipeconfLoader {
return DefaultPiPipeconf.builder()
.withId(FABRIC_PIPECONF_ID)
.withPipelineModel(model)
.addBehaviour(PiPipelineInterpreter.class, FabricInterpreter.class)
.addBehaviour(PortStatisticsDiscovery.class, FabricPortStatisticsDiscovery.class)
.addExtension(P4_INFO_TEXT, p4InfoUrl)
.addExtension(BMV2_JSON, jsonUrl)

View File

@ -0,0 +1,201 @@
/*
* Copyright 2017-present Open Networking Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.pipelines.fabric;
import com.google.common.collect.ImmutableList;
import org.junit.Before;
import org.junit.Test;
import org.onlab.packet.MacAddress;
import org.onlab.packet.VlanId;
import org.onlab.util.ImmutableByteSequence;
import org.onosproject.net.PortNumber;
import org.onosproject.net.flow.DefaultTrafficTreatment;
import org.onosproject.net.flow.TrafficTreatment;
import org.onosproject.net.pi.runtime.PiAction;
import org.onosproject.net.pi.runtime.PiActionParam;
import static org.junit.Assert.assertEquals;
/**
* Test for fabric interpreter.
*/
public class FabricInterpreterTest {
private static final VlanId VLAN_100 = VlanId.vlanId("100");
private static final PortNumber PORT_1 = PortNumber.portNumber(1);
private static final MacAddress SRC_MAC = MacAddress.valueOf("00:00:00:00:00:01");
private static final MacAddress DST_MAC = MacAddress.valueOf("00:00:00:00:00:02");
private FabricInterpreter interpreter;
@Before
public void setup() {
interpreter = new FabricInterpreter();
}
/* Filtering control block */
/**
* Map treatment to push_internal_vlan action.
*/
@Test
public void testFilteringTreatment1() throws Exception {
TrafficTreatment treatment = DefaultTrafficTreatment.builder()
.pushVlan()
.setVlanId(VLAN_100)
.build();
PiAction mappedAction = interpreter.mapTreatment(treatment,
FabricConstants.TBL_INGRESS_PORT_VLAN_ID);
PiActionParam param = new PiActionParam(FabricConstants.ACT_PRM_NEW_VLAN_ID_ID,
ImmutableByteSequence.copyFrom(VLAN_100.toShort()));
PiAction expectedAction = PiAction.builder()
.withId(FabricConstants.ACT_PUSH_INTERNAL_VLAN_ID)
.withParameter(param)
.build();
assertEquals(expectedAction, mappedAction);
}
/**
* Map treatment to set_vlan action.
*/
@Test
public void testFilteringTreatment2() throws Exception {
TrafficTreatment treatment = DefaultTrafficTreatment.builder()
.setVlanId(VLAN_100)
.build();
PiAction mappedAction = interpreter.mapTreatment(treatment,
FabricConstants.TBL_INGRESS_PORT_VLAN_ID);
PiActionParam param = new PiActionParam(FabricConstants.ACT_PRM_NEW_VLAN_ID_ID,
ImmutableByteSequence.copyFrom(VLAN_100.toShort()));
PiAction expectedAction = PiAction.builder()
.withId(FabricConstants.ACT_SET_VLAN_ID)
.withParameter(param)
.build();
assertEquals(expectedAction, mappedAction);
}
/**
* Map treatment to nop action.
*/
@Test
public void testFilteringTreatment3() throws Exception {
TrafficTreatment treatment = DefaultTrafficTreatment.emptyTreatment();
PiAction mappedAction = interpreter.mapTreatment(treatment,
FabricConstants.TBL_INGRESS_PORT_VLAN_ID);
PiAction expectedAction = PiAction.builder()
.withId(FabricConstants.ACT_NOP_ID)
.build();
assertEquals(expectedAction, mappedAction);
}
/* Forwarding control block */
/**
* Map treatment to duplicate_to_controller action.
*/
@Test
public void testForwardingTreatment1() throws Exception {
TrafficTreatment treatment = DefaultTrafficTreatment.builder()
.punt()
.build();
PiAction mappedAction = interpreter.mapTreatment(treatment,
FabricConstants.TBL_ACL_ID);
PiAction expectedAction = PiAction.builder()
.withId(FabricConstants.ACT_DUPLICATE_TO_CONTROLLER_ID)
.build();
assertEquals(expectedAction, mappedAction);
}
/* Next control block */
/**
* Map treatment to output action.
*/
@Test
public void testNextTreatment1() throws Exception {
TrafficTreatment treatment = DefaultTrafficTreatment.builder()
.setOutput(PORT_1)
.build();
PiAction mappedAction = interpreter.mapTreatment(treatment,
FabricConstants.TBL_SIMPLE_ID);
short portNumVal = (short) PORT_1.toLong();
PiActionParam param = new PiActionParam(FabricConstants.ACT_PRM_PORT_NUM_ID,
ImmutableByteSequence.copyFrom(portNumVal));
PiAction expectedAction = PiAction.builder()
.withId(FabricConstants.ACT_OUTPUT_ID)
.withParameter(param)
.build();
assertEquals(expectedAction, mappedAction);
}
/**
* Map treatment to output_ecmp action.
*/
@Test
public void testNextTreatment2() throws Exception {
TrafficTreatment treatment = DefaultTrafficTreatment.builder()
.setEthSrc(SRC_MAC)
.setEthDst(DST_MAC)
.setOutput(PORT_1)
.build();
PiAction mappedAction = interpreter.mapTreatment(treatment,
FabricConstants.TBL_HASHED_ID);
short portNumVal = (short) PORT_1.toLong();
PiActionParam ethSrcParam = new PiActionParam(FabricConstants.ACT_PRM_SMAC_ID,
ImmutableByteSequence.copyFrom(SRC_MAC.toBytes()));
PiActionParam ethDstParam = new PiActionParam(FabricConstants.ACT_PRM_DMAC_ID,
ImmutableByteSequence.copyFrom(DST_MAC.toBytes()));
PiActionParam portParam = new PiActionParam(FabricConstants.ACT_PRM_PORT_NUM_ID,
ImmutableByteSequence.copyFrom(portNumVal));
PiAction expectedAction = PiAction.builder()
.withId(FabricConstants.ACT_L3_ROUTING_ID)
.withParameters(ImmutableList.of(ethSrcParam, ethDstParam, portParam))
.build();
assertEquals(expectedAction, mappedAction);
}
/**
* Map treatment to set_vlan_output action.
*/
@Test
public void testNextTreatment3() throws Exception {
TrafficTreatment treatment = DefaultTrafficTreatment.builder()
.setVlanId(VLAN_100)
.setOutput(PORT_1)
.build();
PiAction mappedAction = interpreter.mapTreatment(treatment,
FabricConstants.TBL_SIMPLE_ID);
short portNumVal = (short) PORT_1.toLong();
PiActionParam portParam = new PiActionParam(FabricConstants.ACT_PRM_PORT_NUM_ID,
ImmutableByteSequence.copyFrom(portNumVal));
short vlanVal = VLAN_100.toShort();
PiActionParam vlanParam = new PiActionParam(FabricConstants.ACT_PRM_NEW_VLAN_ID_ID,
ImmutableByteSequence.copyFrom(vlanVal));
PiAction expectedAction = PiAction.builder()
.withId(FabricConstants.ACT_SET_VLAN_OUTPUT_ID)
.withParameters(ImmutableList.of(vlanParam, portParam))
.build();
assertEquals(expectedAction, mappedAction);
}
}