HC2VPP-88: translation layer for af_packet interface management

Includes postman collection with RESTCONF examples.

Change-Id: If6f7ba1e2e7ab37433ebc5215e4731f1193c62a2
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

5 files changed, 281 insertions, 2 deletions

diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/InterfacesStateReaderFactory.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/InterfacesStateReaderFactory.java
index eaacb135a..8b27c911c 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/InterfacesStateReaderFactory.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/InterfacesStateReaderFactory.java
@@ -28,6 +28,7 @@ import io.fd.hc2vpp.v3po.interfacesstate.InterfaceRoutingCustomizer;
 import io.fd.hc2vpp.v3po.interfacesstate.L2Customizer;
 import io.fd.hc2vpp.v3po.interfacesstate.TapCustomizer;
 import io.fd.hc2vpp.v3po.interfacesstate.VhostUserCustomizer;
+import io.fd.hc2vpp.v3po.interfacesstate.AfPacketCustomizer;
 import io.fd.hc2vpp.v3po.interfacesstate.VxlanCustomizer;
 import io.fd.hc2vpp.v3po.interfacesstate.VxlanGpeCustomizer;
 import io.fd.hc2vpp.v3po.interfacesstate.cache.InterfaceCacheDumpManager;
@@ -52,6 +53,7 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces.state._interface.SpanBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces.state._interface.Tap;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces.state._interface.VhostUser;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces.state._interface.AfPacket;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces.state._interface.Vxlan;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces.state._interface.VxlanGpe;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.span.state.attributes.MirroredInterfaces;
@@ -119,6 +121,9 @@ public final class InterfacesStateReaderFactory implements ReaderFactory {
         //    VhostUser
         registry.add(new GenericInitReader<>(vppIfcAugId.child(VhostUser.class),
                 new VhostUserCustomizer(jvpp, ifcNamingCtx, ifaceDumpManager)));
+        //    AfPacket
+        registry.add(new GenericInitReader<>(vppIfcAugId.child(AfPacket.class),
+                new AfPacketCustomizer(jvpp, ifcNamingCtx, ifaceDumpManager)));
         //    Vxlan
         registry.add(new GenericInitReader<>(vppIfcAugId.child(Vxlan.class),
                 new VxlanCustomizer(jvpp, ifcNamingCtx, ifaceDumpManager)));
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/InterfacesWriterFactory.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/InterfacesWriterFactory.java
index 633400438..9cc351eca 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/InterfacesWriterFactory.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/factory/InterfacesWriterFactory.java
@@ -30,6 +30,7 @@ import io.fd.hc2vpp.v3po.interfaces.L2Customizer;
 import io.fd.hc2vpp.v3po.interfaces.LoopbackCustomizer;
 import io.fd.hc2vpp.v3po.interfaces.TapCustomizer;
 import io.fd.hc2vpp.v3po.interfaces.VhostUserCustomizer;
+import io.fd.hc2vpp.v3po.interfaces.AfPacketCustomizer;
 import io.fd.hc2vpp.v3po.interfaces.VxlanCustomizer;
 import io.fd.hc2vpp.v3po.interfaces.VxlanGpeCustomizer;
 import io.fd.hc2vpp.v3po.interfaces.pbb.PbbRewriteCustomizer;
@@ -53,6 +54,7 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces._interface.Span;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces._interface.Tap;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces._interface.VhostUser;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces._interface.AfPacket;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces._interface.Vxlan;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces._interface.VxlanGpe;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.span.attributes.MirroredInterfaces;
@@ -102,6 +104,10 @@ public final class InterfacesWriterFactory implements WriterFactory {
         final InstanceIdentifier<VhostUser> vhostId = VPP_IFC_AUG_ID.child(VhostUser.class);
         registry.addBefore(new GenericWriter<>(vhostId, new VhostUserCustomizer(jvpp, ifcNamingContext)),
                 ifcId);
+        // AfPacket(Needs to be executed before Interface customizer) =
+        final InstanceIdentifier<AfPacket> afpacketId = VPP_IFC_AUG_ID.child(AfPacket.class);
+        registry.addBefore(new GenericWriter<>(afpacketId, new AfPacketCustomizer(jvpp, ifcNamingContext)),
+                ifcId);
         // Vxlan(Needs to be executed before Interface customizer) =
         final InstanceIdentifier<Vxlan> vxlanId = VPP_IFC_AUG_ID.child(Vxlan.class);
         registry.addBefore(new GenericWriter<>(vxlanId, new VxlanCustomizer(jvpp, ifcNamingContext, ifcDisableContext)),
@@ -124,8 +130,8 @@ public final class InterfacesWriterFactory implements WriterFactory {
         registry.addBefore(new GenericWriter<>(greId, new GreCustomizer(jvpp, ifcNamingContext)),
                 ifcId);
 
-
-        final Set<InstanceIdentifier<?>> specificIfcTypes = Sets.newHashSet(vhostId, vxlanId, vxlanGpeId, tapId, loopbackId);
+        final Set<InstanceIdentifier<?>> specificIfcTypes =
+            Sets.newHashSet(vhostId, afpacketId, vxlanId, vxlanGpeId, tapId, loopbackId);
 
         // Ethernet =
         registry.add(new GenericWriter<>(VPP_IFC_AUG_ID.child(Ethernet.class),
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/AfPacketCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/AfPacketCustomizer.java
new file mode 100644
index 000000000..67d879bd7
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfaces/AfPacketCustomizer.java
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ *
+ * 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 io.fd.hc2vpp.v3po.interfaces;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import io.fd.hc2vpp.common.translate.util.AbstractInterfaceTypeCustomizer;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+import io.fd.hc2vpp.common.translate.util.MacTranslator;
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.honeycomb.translate.write.WriteContext;
+import io.fd.honeycomb.translate.write.WriteFailedException;
+import io.fd.vpp.jvpp.core.dto.AfPacketCreate;
+import io.fd.vpp.jvpp.core.dto.AfPacketCreateReply;
+import io.fd.vpp.jvpp.core.dto.AfPacketDelete;
+import io.fd.vpp.jvpp.core.dto.AfPacketDeleteReply;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.nio.charset.StandardCharsets;
+import java.util.concurrent.CompletionStage;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfaceType;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces._interface.AfPacket;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class AfPacketCustomizer extends AbstractInterfaceTypeCustomizer<AfPacket>
+    implements MacTranslator, JvppReplyConsumer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(AfPacketCustomizer.class);
+    private final NamingContext interfaceContext;
+
+    public AfPacketCustomizer(@Nonnull final FutureJVppCore vppApi, @Nonnull final NamingContext interfaceContext) {
+        super(vppApi);
+        this.interfaceContext = checkNotNull(interfaceContext, "interfaceContext should not be null");
+    }
+
+    @Override
+    protected Class<? extends InterfaceType> getExpectedInterfaceType() {
+        return org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.AfPacket.class;
+    }
+
+    @Override
+    protected final void writeInterface(@Nonnull final InstanceIdentifier<AfPacket> id,
+                                        @Nonnull final AfPacket dataAfter, @Nonnull final WriteContext writeContext)
+        throws WriteFailedException {
+        final String swIfName = id.firstKeyOf(Interface.class).getName();
+        final int swIfIndex = createAfPacketIfc(id, swIfName, dataAfter);
+
+        // Add new interface to our interface context
+        interfaceContext.addName(swIfIndex, swIfName, writeContext.getMappingContext());
+    }
+
+    @Override
+    public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<AfPacket> id,
+                                        @Nonnull final AfPacket dataBefore, @Nonnull final WriteContext writeContext)
+        throws WriteFailedException {
+        final String swIfName = id.firstKeyOf(Interface.class).getName();
+        deleteAfPacketIfc(id, swIfName, dataBefore);
+
+        // Remove interface from interface context
+        interfaceContext.removeName(swIfName, writeContext.getMappingContext());
+    }
+
+    private int createAfPacketIfc(final InstanceIdentifier<AfPacket> id, final String swIfName, final AfPacket afPacket)
+        throws WriteFailedException {
+        LOG.debug("Creating af_packet interface {}: {}", swIfName, afPacket);
+        final CompletionStage<AfPacketCreateReply> createAfPacketIfReplyCompletionStage =
+            getFutureJVpp().afPacketCreate(getCreateRequest(afPacket));
+        final AfPacketCreateReply reply =
+            getReplyForCreate(createAfPacketIfReplyCompletionStage.toCompletableFuture(), id, afPacket);
+        LOG.debug("Af_packet interface {} created successfully: {}", swIfName, afPacket);
+        return reply.swIfIndex;
+    }
+
+    private AfPacketCreate getCreateRequest(@Nonnull final AfPacket afPacket) {
+        final AfPacketCreate request = new AfPacketCreate();
+        checkArgument(afPacket.getHostInterfaceName() != null,
+            "host-interface-name is mandatory for af-packet interface");
+        request.hostIfName = afPacket.getHostInterfaceName().getBytes(StandardCharsets.UTF_8);
+        checkArgument(request.hostIfName.length <= 64,
+            "Interface name for af_packet interface should not be longer than 64 bytes, but was %s",
+            request.hostIfName.length);
+        final PhysAddress mac = afPacket.getMac();
+        if (mac == null) {
+            request.useRandomHwAddr = 1;
+            request.hwAddr = new byte[6];
+        } else {
+            request.useRandomHwAddr = 0;
+            request.hwAddr = parseMac(mac.getValue());
+        }
+        return request;
+    }
+
+    private void deleteAfPacketIfc(final InstanceIdentifier<AfPacket> id, final String swIfName,
+                                   final AfPacket afPacket) throws WriteFailedException {
+        LOG.debug("Deleting af_packet interface {}: {}", swIfName, afPacket);
+        final CompletionStage<AfPacketDeleteReply> deleteAfPacketIfReplyCompletionStage =
+            getFutureJVpp().afPacketDelete(getDeleteRequest(afPacket));
+
+        getReplyForDelete(deleteAfPacketIfReplyCompletionStage.toCompletableFuture(), id);
+        LOG.debug("Af_packet interface {} deleted successfully: {}", swIfName, afPacket);
+    }
+
+    private AfPacketDelete getDeleteRequest(@Nonnull final AfPacket afPacket) {
+        final AfPacketDelete request = new AfPacketDelete();
+        request.hostIfName = afPacket.getHostInterfaceName().getBytes(StandardCharsets.UTF_8);
+        return request;
+    }
+}
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/AfPacketCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/AfPacketCustomizer.java
new file mode 100644
index 000000000..132ca7f1a
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/AfPacketCustomizer.java
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ *
+ * 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 io.fd.hc2vpp.v3po.interfacesstate;
+
+import static java.lang.String.format;
+
+import com.google.common.annotations.VisibleForTesting;
+import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
+import io.fd.hc2vpp.common.translate.util.NamingContext;
+import io.fd.hc2vpp.v3po.interfacesstate.cache.InterfaceCacheDumpManager;
+import io.fd.honeycomb.translate.read.ReadContext;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
+import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
+import io.fd.honeycomb.translate.util.read.cache.StaticCacheKeyFactory;
+import io.fd.vpp.jvpp.core.dto.AfPacketDetails;
+import io.fd.vpp.jvpp.core.dto.AfPacketDetailsReplyDump;
+import io.fd.vpp.jvpp.core.dto.AfPacketDump;
+import io.fd.vpp.jvpp.core.dto.SwInterfaceDetails;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
+import java.util.concurrent.CompletionStage;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.VppInterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.VppInterfaceStateAugmentationBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces.state._interface.AfPacket;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces.state._interface.AfPacketBuilder;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class AfPacketCustomizer implements InitializingReaderCustomizer<AfPacket, AfPacketBuilder>,
+    InterfaceDataTranslator, JvppReplyConsumer {
+
+    private static final Logger LOG = LoggerFactory.getLogger(AfPacketCustomizer.class);
+    private NamingContext interfaceContext;
+    private final InterfaceCacheDumpManager dumpManager;
+    private final DumpCacheManager<AfPacketDetailsReplyDump, Void> afPacketDumpManager;
+
+    public AfPacketCustomizer(@Nonnull final FutureJVppCore jvpp,
+                              @Nonnull final NamingContext interfaceContext,
+                              @Nonnull final InterfaceCacheDumpManager dumpManager) {
+        this.interfaceContext = interfaceContext;
+        this.dumpManager = dumpManager;
+        this.afPacketDumpManager =
+            new DumpCacheManager.DumpCacheManagerBuilder<AfPacketDetailsReplyDump, Void>()
+                .withCacheKeyFactory(new StaticCacheKeyFactory(AfPacketCustomizer.class.getName() + "_dump",
+                    AfPacketDetailsReplyDump.class))
+                .withExecutor((identifier, params) -> {
+                    final CompletionStage<AfPacketDetailsReplyDump> cs = jvpp.afPacketDump(new AfPacketDump());
+                    return getReplyForRead(cs.toCompletableFuture(), identifier);
+                }).build();
+    }
+
+    @Override
+    public void merge(@Nonnull Builder<? extends DataObject> parentBuilder, @Nonnull AfPacket readValue) {
+        ((VppInterfaceStateAugmentationBuilder) parentBuilder).setAfPacket(readValue);
+    }
+
+    @Nonnull
+    @Override
+    public AfPacketBuilder getBuilder(@Nonnull InstanceIdentifier<AfPacket> id) {
+        return new AfPacketBuilder();
+    }
+
+    @Override
+    public void readCurrentAttributes(@Nonnull final InstanceIdentifier<AfPacket> id,
+                                      @Nonnull final AfPacketBuilder builder,
+                                      @Nonnull final ReadContext ctx) throws ReadFailedException {
+        final InterfaceKey key = id.firstKeyOf(Interface.class);
+        final int index = interfaceContext.getIndex(key.getName(), ctx.getMappingContext());
+        final SwInterfaceDetails ifcDetails = dumpManager.getInterfaceDetail(id, ctx, key.getName());
+
+        if (!isInterfaceOfType(
+            org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.AfPacket.class,
+            ifcDetails)) {
+            return;
+        }
+
+        final AfPacketDetailsReplyDump dump = afPacketDumpManager.getDump(id, ctx.getModificationCache())
+            .or(new AfPacketDetailsReplyDump());
+        // Relying here that parent InterfaceCustomizer was invoked first to fill in the context with initial ifc mapping
+        final AfPacketDetails afPacketDetails = dump.afPacketDetails.stream()
+            .filter(detail -> detail.swIfIndex == index)
+            .findFirst()
+            .orElseThrow(() -> new IllegalArgumentException(format("AfPacket interface %s not found", key.getName())));
+        LOG.trace("AfPacket interface: {} attributes returned from VPP: {}", key.getName(), afPacketDetails);
+
+        builder.setMac(new PhysAddress(vppPhysAddrToYang(ifcDetails.l2Address)));
+        builder.setHostInterfaceName(toString(afPacketDetails.hostIfName));
+
+        LOG.debug("AfPacket interface: {}, id: {} attributes read as: {}", key.getName(), index, builder);
+    }
+
+    @Nonnull
+    @Override
+    public Initialized<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces._interface.AfPacket> init(
+        @Nonnull final InstanceIdentifier<AfPacket> id,
+        @Nonnull final AfPacket readValue,
+        @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id),
+            new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces._interface.AfPacketBuilder()
+                .setHostInterfaceName(readValue.getHostInterfaceName())
+                .setMac(readValue.getMac())
+                .build());
+    }
+
+    @VisibleForTesting
+    static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces._interface.AfPacket> getCfgId(
+        final InstanceIdentifier<AfPacket> id) {
+        return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
+            .augmentation(VppInterfaceAugmentation.class)
+            .child(
+                org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.interfaces._interface.AfPacket.class);
+    }
+}
\ No newline at end of file
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/InterfaceDataTranslator.java b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/InterfaceDataTranslator.java
index 75554d4b7..5a4fbddd4 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/InterfaceDataTranslator.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/hc2vpp/v3po/interfacesstate/InterfaceDataTranslator.java
@@ -34,6 +34,7 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.re
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfaceType;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Gauge64;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.AfPacket;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.GreTunnel;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.Loopback;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev170607.Tap;
@@ -157,6 +158,10 @@ public interface InterfaceDataTranslator extends ByteDataTranslator, JvppReplyCo
             return VhostUser.class;
         }
 
+        if (interfaceName.startsWith("host-")) {
+            return AfPacket.class;
+        }
+
         if (interfaceName.startsWith("loop")) {
             return Loopback.class;
         }