Supports dpdk config in OpenstackNode.

Change-Id: I332d7643acb56c5fa7460edb6e4c90a2d862706f
diff --git a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/codec/DpdkConfigCodec.java b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/codec/DpdkConfigCodec.java
new file mode 100644
index 0000000..3e8156d
--- /dev/null
+++ b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/codec/DpdkConfigCodec.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2018-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.openstacknode.codec;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.openstacknode.api.DpdkConfig;
+import org.onosproject.openstacknode.api.DpdkInterface;
+import org.onosproject.openstacknode.impl.DefaultDpdkConfig;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.IntStream;
+
+import static org.onlab.util.Tools.nullIsIllegal;
+
+/**
+ * dpdk config codec used for serializing and de-serializing JSON string.
+ */
+public class DpdkConfigCodec extends JsonCodec<DpdkConfig> {
+    private static final String DATA_PATH_TYPE = "datapathType";
+    private static final String SOCKET_DIR = "socketDir";
+    private static final String DPDK_INTFS = "dpdkIntfs";
+
+    private static final String MISSING_MESSAGE = " is required in DpdkInterface";
+
+    @Override
+    public ObjectNode encode(DpdkConfig entity, CodecContext context) {
+        ObjectNode result = context.mapper().createObjectNode()
+                .put(DATA_PATH_TYPE, entity.datapathType().name());
+
+        if (entity.socketDir() != null) {
+            result.put(SOCKET_DIR, entity.socketDir());
+        }
+
+        ArrayNode dpdkIntfs = context.mapper().createArrayNode();
+        entity.dpdkIntfs().forEach(dpdkIntf -> {
+            ObjectNode dpdkIntfJson = context.codec(DpdkInterface.class)
+                    .encode(dpdkIntf, context);
+            dpdkIntfs.add(dpdkIntfJson);
+        });
+        result.set(DPDK_INTFS, dpdkIntfs);
+
+        return result;
+    }
+
+    @Override
+    public DpdkConfig decode(ObjectNode json, CodecContext context) {
+        if (json == null || !json.isObject()) {
+            return null;
+        }
+
+        String datapathType = nullIsIllegal(json.get(DATA_PATH_TYPE).asText(),
+                DATA_PATH_TYPE + MISSING_MESSAGE);
+
+        DefaultDpdkConfig.Builder builder = DefaultDpdkConfig.builder()
+                .datapathType(DpdkConfig.DatapathType.valueOf(datapathType.toUpperCase()));
+
+        if (json.get(SOCKET_DIR) != null) {
+            builder.socketDir(json.get(SOCKET_DIR).asText());
+        }
+
+        List<DpdkInterface> dpdkInterfaces = new ArrayList<>();
+        JsonNode dpdkIntfsJson = json.get(DPDK_INTFS);
+
+        if (dpdkIntfsJson != null) {
+            final JsonCodec<DpdkInterface>
+                    dpdkIntfCodec = context.codec(DpdkInterface.class);
+
+            IntStream.range(0, dpdkIntfsJson.size()).forEach(i -> {
+                ObjectNode intfJson = get(dpdkIntfsJson, i);
+                dpdkInterfaces.add(dpdkIntfCodec.decode(intfJson, context));
+            });
+        }
+        builder.dpdkIntfs(dpdkInterfaces);
+
+        return builder.build();
+    }
+}
diff --git a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/codec/DpdkInterfaceCodec.java b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/codec/DpdkInterfaceCodec.java
new file mode 100644
index 0000000..033bfc0
--- /dev/null
+++ b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/codec/DpdkInterfaceCodec.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2018-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.openstacknode.codec;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.openstacknode.api.DpdkInterface;
+import org.onosproject.openstacknode.api.DpdkInterface.Type;
+import org.onosproject.openstacknode.impl.DefaultDpdkInterface;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.onlab.util.Tools.nullIsIllegal;
+
+/**
+ * DPDK interface codec used for serializing and de-serializing JSON string.
+ */
+public class DpdkInterfaceCodec extends JsonCodec<DpdkInterface> {
+    private static final String DEVICE_NAME = "deviceName";
+    private static final String INTF = "intf";
+    private static final String PCI_ADDRESS = "pciAddress";
+    private static final String TYPE = "type";
+    private static final String MTU = "mtu";
+
+    private static final String NOT_NULL_MESSAGE = "dpdk interface cannot be null";
+    private static final String MISSING_MESSAGE = " is required in DpdkInterface";
+
+    @Override
+    public ObjectNode encode(DpdkInterface entity, CodecContext context) {
+        checkNotNull(entity, NOT_NULL_MESSAGE);
+
+        return context.mapper().createObjectNode()
+                .put(DEVICE_NAME, entity.deviceName())
+                .put(INTF, entity.intf())
+                .put(PCI_ADDRESS, entity.pciAddress())
+                .put(TYPE, entity.type().name())
+                .put(MTU, entity.mtu().toString());
+    }
+
+    @Override
+    public DpdkInterface decode(ObjectNode json, CodecContext context) {
+        if (json == null || !json.isObject()) {
+            return null;
+        }
+
+        String deviceName = nullIsIllegal(json.get(DEVICE_NAME).asText(),
+                DEVICE_NAME + MISSING_MESSAGE);
+        String intf = nullIsIllegal(json.get(INTF).asText(),
+                INTF + MISSING_MESSAGE);
+        String pciAddress = nullIsIllegal(json.get(PCI_ADDRESS).asText(),
+                PCI_ADDRESS + MISSING_MESSAGE);
+        String typeString = nullIsIllegal(json.get(TYPE).asText(),
+                TYPE + MISSING_MESSAGE);
+
+        Type type;
+        try {
+            type = Type.valueOf(typeString.toUpperCase());
+        } catch (IllegalArgumentException e) {
+            throw new IllegalArgumentException(TYPE + MISSING_MESSAGE);
+        }
+
+        DpdkInterface.Builder builder = DefaultDpdkInterface.builder()
+                .deviceName(deviceName)
+                .intf(intf)
+                .pciAddress(pciAddress)
+                .type(type);
+
+        JsonNode mtuJson = json.get(MTU);
+
+        if (mtuJson != null) {
+            builder.mtu(Long.parseLong(mtuJson.asText()));
+        }
+
+        return builder.build();
+    }
+}
diff --git a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/codec/OpenstackNodeCodec.java b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/codec/OpenstackNodeCodec.java
index 5d16199..ad2f08b 100644
--- a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/codec/OpenstackNodeCodec.java
+++ b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/codec/OpenstackNodeCodec.java
@@ -24,6 +24,7 @@
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.behaviour.ControllerInfo;
 import org.onosproject.openstacknode.api.DefaultOpenstackNode;
+import org.onosproject.openstacknode.api.DpdkConfig;
 import org.onosproject.openstacknode.api.NodeState;
 import org.onosproject.openstacknode.api.OpenstackAuth;
 import org.onosproject.openstacknode.api.OpenstackNode;
@@ -61,11 +62,9 @@
     private static final String AUTHENTICATION = "authentication";
     private static final String END_POINT = "endpoint";
     private static final String SSH_AUTH = "sshAuth";
-    private static final String DATA_PATH_TYPE = "datapathType";
-    private static final String SOCKET_DIR = "socketDir";
+    private static final String DPDK_CONFIG = "dpdkConfig";
 
     private static final String MISSING_MESSAGE = " is required in OpenstackNode";
-    private static final String UNSUPPORTED_DATAPATH_TYPE = "Unsupported datapath type";
 
     @Override
     public ObjectNode encode(OpenstackNode node, CodecContext context) {
@@ -75,8 +74,7 @@
                 .put(HOST_NAME, node.hostname())
                 .put(TYPE, node.type().name())
                 .put(STATE, node.state().name())
-                .put(MANAGEMENT_IP, node.managementIp().toString())
-                .put(DATA_PATH_TYPE, node.datapathType().name());
+                .put(MANAGEMENT_IP, node.managementIp().toString());
 
         OpenstackNode.NodeType type = node.type();
 
@@ -128,8 +126,10 @@
             result.set(SSH_AUTH, sshAuthJson);
         }
 
-        if (node.socketDir() != null) {
-            result.put(SOCKET_DIR, node.socketDir());
+        if (node.dpdkConfig() != null) {
+            ObjectNode dpdkConfigJson = context.codec(DpdkConfig.class)
+                    .encode(node.dpdkConfig(), context);
+            result.set(DPDK_CONFIG, dpdkConfigJson);
         }
 
         return result;
@@ -175,23 +175,6 @@
             nodeBuilder.intgBridge(DeviceId.deviceId(intBridgeJson.asText()));
         }
 
-        JsonNode datapathTypeJson = json.get(DATA_PATH_TYPE);
-
-        if (datapathTypeJson == null ||
-                datapathTypeJson.asText().equals(OpenstackNode.DatapathType.NORMAL.name().toLowerCase())) {
-            nodeBuilder.datapathType(OpenstackNode.DatapathType.NORMAL);
-        } else if (datapathTypeJson.asText().equals(OpenstackNode.DatapathType.NETDEV.name().toLowerCase())) {
-            nodeBuilder.datapathType(OpenstackNode.DatapathType.NETDEV);
-        } else {
-            throw new IllegalArgumentException(UNSUPPORTED_DATAPATH_TYPE + datapathTypeJson.asText());
-        }
-
-        JsonNode socketDir = json.get(SOCKET_DIR);
-
-        if (socketDir != null) {
-            nodeBuilder.socketDir(socketDir.asText());
-        }
-
         // parse physical interfaces
         List<OpenstackPhyInterface> phyIntfs = new ArrayList<>();
         JsonNode phyIntfsJson = json.get(PHYSICAL_INTERFACES);
@@ -224,7 +207,7 @@
 
         // parse authentication
         JsonNode authJson = json.get(AUTHENTICATION);
-        if (json.get(AUTHENTICATION) != null) {
+        if (authJson != null) {
 
             final JsonCodec<OpenstackAuth> authCodec = context.codec(OpenstackAuth.class);
 
@@ -234,13 +217,21 @@
 
         // parse ssh authentication
         JsonNode sshAuthJson = json.get(SSH_AUTH);
-        if (json.get(SSH_AUTH) != null) {
+        if (sshAuthJson != null) {
             final JsonCodec<OpenstackSshAuth> sshAuthJsonCodec = context.codec(OpenstackSshAuth.class);
 
             OpenstackSshAuth sshAuth = sshAuthJsonCodec.decode((ObjectNode) sshAuthJson.deepCopy(), context);
             nodeBuilder.sshAuthInfo(sshAuth);
         }
 
+        JsonNode dpdkConfigJson = json.get(DPDK_CONFIG);
+        if (dpdkConfigJson != null) {
+            final JsonCodec<DpdkConfig> dpdkConfigJsonCodec = context.codec(DpdkConfig.class);
+
+            DpdkConfig dpdkConfig = dpdkConfigJsonCodec.decode((ObjectNode) dpdkConfigJson.deepCopy(), context);
+            nodeBuilder.dpdkConfig(dpdkConfig);
+        }
+
         log.trace("node is {}", nodeBuilder.build().toString());
 
         return nodeBuilder.build();
diff --git a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DefaultDpdkConfig.java b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DefaultDpdkConfig.java
new file mode 100644
index 0000000..afd2d22
--- /dev/null
+++ b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DefaultDpdkConfig.java
@@ -0,0 +1,158 @@
+/*
+ * Copyright 2018-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.openstacknode.impl;
+
+import com.google.common.base.MoreObjects;
+import com.google.common.collect.ImmutableList;
+import org.onosproject.openstacknode.api.DpdkConfig;
+import org.onosproject.openstacknode.api.DpdkInterface;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Objects;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+/**
+ * Implementation of dpdk config.
+ */
+public final class DefaultDpdkConfig implements DpdkConfig {
+
+    private final DatapathType datapathType;
+    private final String socketDir;
+    private final Collection<DpdkInterface> dpdkIntfs;
+
+    private static final String NOT_NULL_MSG = "% cannot be null";
+
+    private DefaultDpdkConfig(DatapathType datapathType,
+                             String socketDir,
+                             Collection<DpdkInterface> dpdkIntfs) {
+        this.datapathType = datapathType;
+        this.socketDir = socketDir;
+        this.dpdkIntfs = dpdkIntfs;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (!(o instanceof DefaultDpdkConfig)) {
+            return false;
+        }
+        DefaultDpdkConfig that = (DefaultDpdkConfig) o;
+        return datapathType == that.datapathType &&
+                Objects.equals(socketDir, that.socketDir) &&
+                Objects.equals(dpdkIntfs, that.dpdkIntfs);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(datapathType,
+                socketDir,
+                dpdkIntfs);
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("datapathType", datapathType)
+                .add("socketDir", socketDir)
+                .add("dpdkIntfs", dpdkIntfs)
+                .toString();
+    }
+
+    /**
+     * Returns the data path type.
+     *
+     * @return data path type; normal or netdev
+     */
+    @Override
+    public DatapathType datapathType() {
+        return datapathType;
+    }
+
+    /**
+     * Returns socket directory which dpdk port bound to.
+     *
+     * @return socket directory
+     */
+    @Override
+    public String socketDir() {
+        return socketDir;
+    }
+
+    /**
+     * Returns a collection of dpdk interfaces.
+     *
+     * @return dpdk interfaces
+     */
+    @Override
+    public Collection<DpdkInterface> dpdkIntfs() {
+        if (dpdkIntfs == null) {
+            return new ArrayList<>();
+        }
+        return ImmutableList.copyOf(dpdkIntfs);
+    }
+
+    /**
+     * Returns new builder instance.
+     *
+     * @return dpdk config builder instance
+     */
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    /**
+     * Builder of DpdkConfig instance.
+     */
+    public static final class Builder implements DpdkConfig.Builder {
+        private DatapathType datapathType;
+        private String socketDir;
+        private Collection<DpdkInterface> dpdkIntfs;
+
+        private Builder() {
+
+        }
+
+        @Override
+        public DpdkConfig build() {
+            checkArgument(datapathType != null, NOT_NULL_MSG, "datapathType");
+            return new DefaultDpdkConfig(datapathType,
+                    socketDir,
+                    dpdkIntfs);
+        }
+
+        @Override
+        public Builder datapathType(DatapathType datapathType) {
+            this.datapathType = datapathType;
+            return this;
+        }
+
+        @Override
+        public Builder socketDir(String socketDir) {
+            this.socketDir = socketDir;
+            return this;
+        }
+
+        @Override
+        public Builder dpdkIntfs(Collection<DpdkInterface> dpdkIntfs) {
+            this.dpdkIntfs = dpdkIntfs;
+            return this;
+        }
+    }
+}
diff --git a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DefaultDpdkInterface.java b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DefaultDpdkInterface.java
new file mode 100644
index 0000000..c442876
--- /dev/null
+++ b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DefaultDpdkInterface.java
@@ -0,0 +1,202 @@
+/*
+ * Copyright 2018-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.openstacknode.impl;
+
+import com.google.common.base.MoreObjects;
+import org.onosproject.openstacknode.api.DpdkInterface;
+
+import java.util.Objects;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+
+/**
+ * Implementation of dpdk interface.
+ */
+public final class DefaultDpdkInterface implements DpdkInterface {
+    private final String deviceName;
+    private final String intf;
+    private final String pciAddress;
+    private final Type type;
+    private final Long mtu;
+    private static final String NOT_NULL_MSG = "% cannot be null";
+
+    private DefaultDpdkInterface(String deviceName,
+                                 String intf,
+                                 String pciAddress,
+                                 Type type,
+                                 Long mtu) {
+        this.deviceName = deviceName;
+        this.intf = intf;
+        this.pciAddress = pciAddress;
+        this.type = type;
+        this.mtu = mtu;
+    }
+
+    /**
+     * Returns the name of the device where the dpdk interface is.
+     *
+     * @return device name
+     */
+    @Override
+    public String deviceName() {
+        return deviceName;
+    }
+
+    /**
+     * Returns the name of the dpdk interface.
+     *
+     * @return dpdk interface name
+     */
+    @Override
+    public String intf() {
+        return intf;
+    }
+
+    /**
+     * Returns the dpdk device arguments of this dpdk port.
+     * ex) "0000:85:00.1"
+     *
+     * @return pci address
+     */
+    @Override
+    public String pciAddress() {
+        return pciAddress;
+    }
+
+    /**
+     * Returns the dpdk interface type.
+     *
+     * @return type
+     */
+    @Override
+    public Type type() {
+        return type;
+    }
+
+    /**
+     * Returns the mtu size.
+     *
+     * @return mtu
+     */
+    @Override
+    public Long mtu() {
+        return mtu;
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(getClass())
+                .add("deviceName", deviceName)
+                .add("intf", intf)
+                .add("pciAddress", pciAddress)
+                .add("type", type)
+                .add("mtu", mtu)
+                .toString();
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(deviceName,
+                intf,
+                pciAddress,
+                type,
+                mtu);
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (!(o instanceof DefaultDpdkInterface)) {
+            return false;
+        }
+        DefaultDpdkInterface that = (DefaultDpdkInterface) o;
+        return Objects.equals(deviceName, that.deviceName) &&
+                Objects.equals(intf, that.intf) &&
+                Objects.equals(pciAddress, that.pciAddress) &&
+                type == that.type &&
+                Objects.equals(mtu, that.mtu);
+    }
+
+    /**
+     * Returns new builder instance.
+     *
+     * @return dpdk interface builder instance.
+     */
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    /**
+     * Builder of dpdk interface instance.
+     */
+    public static final class Builder implements DpdkInterface.Builder {
+        private String deviceName;
+        private String intf;
+        private String pciAddress;
+        private Type type;
+        private Long mtu = DpdkInterface.DEFAULT_MTU_SIZE;
+
+        private Builder() {
+        }
+
+        @Override
+        public DpdkInterface build() {
+            checkArgument(deviceName != null, NOT_NULL_MSG, "deviceName");
+            checkArgument(intf != null, NOT_NULL_MSG, "intf");
+            checkArgument(pciAddress != null, NOT_NULL_MSG, "pciAddress");
+            checkArgument(type != null, NOT_NULL_MSG, "type");
+
+            return new DefaultDpdkInterface(deviceName,
+                    intf,
+                    pciAddress,
+                    type,
+                    mtu);
+        }
+
+        @Override
+        public Builder deviceName(String deviceName) {
+            this.deviceName = deviceName;
+            return this;
+        }
+
+        @Override
+        public Builder intf(String name) {
+            this.intf = name;
+            return this;
+        }
+
+        @Override
+        public Builder pciAddress(String pciAddress) {
+            this.pciAddress = pciAddress;
+            return this;
+        }
+
+        @Override
+        public Builder type(Type type) {
+            this.type = type;
+            return this;
+        }
+
+        @Override
+        public Builder mtu(Long mtu) {
+            this.mtu = mtu;
+            return this;
+        }
+    }
+}
diff --git a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DefaultOpenstackNodeHandler.java b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DefaultOpenstackNodeHandler.java
index 07d71de..4337355 100644
--- a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DefaultOpenstackNodeHandler.java
+++ b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DefaultOpenstackNodeHandler.java
@@ -78,11 +78,12 @@
 import static org.onosproject.net.flow.instructions.ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_SET_TUNNEL_DST;
 import static org.onosproject.openstacknode.api.Constants.DEFAULT_TUNNEL;
 import static org.onosproject.openstacknode.api.Constants.INTEGRATION_BRIDGE;
+import static org.onosproject.openstacknode.api.DpdkConfig.DatapathType.NETDEV;
 import static org.onosproject.openstacknode.api.NodeState.COMPLETE;
 import static org.onosproject.openstacknode.api.NodeState.DEVICE_CREATED;
 import static org.onosproject.openstacknode.api.NodeState.INCOMPLETE;
 import static org.onosproject.openstacknode.api.NodeState.INIT;
-import static org.onosproject.openstacknode.api.OpenstackNode.DatapathType.NETDEV;
+
 import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.CONTROLLER;
 import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY;
 import static org.onosproject.openstacknode.api.OpenstackNodeService.APP_ID;
diff --git a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DistributedOpenstackNodeStore.java b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DistributedOpenstackNodeStore.java
index f30611b..368deed 100644
--- a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DistributedOpenstackNodeStore.java
+++ b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/impl/DistributedOpenstackNodeStore.java
@@ -28,6 +28,8 @@
 import org.onosproject.net.behaviour.ControllerInfo;
 import org.onosproject.openstacknode.api.DefaultOpenstackAuth;
 import org.onosproject.openstacknode.api.DefaultOpenstackNode;
+import org.onosproject.openstacknode.api.DpdkConfig;
+import org.onosproject.openstacknode.api.DpdkInterface;
 import org.onosproject.openstacknode.api.NodeState;
 import org.onosproject.openstacknode.api.OpenstackNode;
 import org.onosproject.openstacknode.api.OpenstackNodeEvent;
@@ -83,9 +85,13 @@
             .register(DefaultOpenstackNode.class)
             .register(OpenstackNode.NodeType.class)
             .register(NodeState.class)
-            .register(OpenstackNode.DatapathType.class)
+            .register(DpdkConfig.class)
+            .register(DefaultDpdkConfig.class)
+            .register(DpdkConfig.DatapathType.class)
             .register(OpenstackPhyInterface.class)
             .register(DefaultOpenstackPhyInterface.class)
+            .register(DpdkInterface.class)
+            .register(DefaultDpdkInterface.class)
             .register(ControllerInfo.class)
             .register(DefaultOpenstackAuth.class)
             .register(DefaultOpenstackAuth.Perspective.class)
diff --git a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/web/OpenstackNodeCodecRegister.java b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/web/OpenstackNodeCodecRegister.java
index 3c8954c..4361317 100644
--- a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/web/OpenstackNodeCodecRegister.java
+++ b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/web/OpenstackNodeCodecRegister.java
@@ -22,10 +22,14 @@
 import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.onosproject.codec.CodecService;
 import org.onosproject.net.behaviour.ControllerInfo;
+import org.onosproject.openstacknode.api.DpdkConfig;
+import org.onosproject.openstacknode.api.DpdkInterface;
 import org.onosproject.openstacknode.api.OpenstackAuth;
 import org.onosproject.openstacknode.api.OpenstackNode;
 import org.onosproject.openstacknode.api.OpenstackPhyInterface;
 import org.onosproject.openstacknode.api.OpenstackSshAuth;
+import org.onosproject.openstacknode.codec.DpdkConfigCodec;
+import org.onosproject.openstacknode.codec.DpdkInterfaceCodec;
 import org.onosproject.openstacknode.codec.OpenstackAuthCodec;
 import org.onosproject.openstacknode.codec.OpenstackControllerCodec;
 import org.onosproject.openstacknode.codec.OpenstackNodeCodec;
@@ -52,6 +56,8 @@
         codecService.registerCodec(OpenstackPhyInterface.class, new OpenstackPhyInterfaceCodec());
         codecService.registerCodec(ControllerInfo.class, new OpenstackControllerCodec());
         codecService.registerCodec(OpenstackSshAuth.class, new OpenstackSshAuthCodec());
+        codecService.registerCodec(DpdkInterface.class, new DpdkInterfaceCodec());
+        codecService.registerCodec(DpdkConfig.class, new DpdkConfigCodec());
 
         log.info("Started");
     }
@@ -63,6 +69,8 @@
         codecService.unregisterCodec(OpenstackPhyInterface.class);
         codecService.unregisterCodec(ControllerInfo.class);
         codecService.unregisterCodec(OpenstackSshAuth.class);
+        codecService.unregisterCodec(DpdkConfig.class);
+        codecService.unregisterCodec(DpdkInterface.class);
 
         log.info("Stopped");
     }
diff --git a/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/DpdkConfigJsonMatcher.java b/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/DpdkConfigJsonMatcher.java
new file mode 100644
index 0000000..fd98a13
--- /dev/null
+++ b/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/DpdkConfigJsonMatcher.java
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2018-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.openstacknode.codec;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import org.hamcrest.Description;
+import org.hamcrest.TypeSafeDiagnosingMatcher;
+import org.onosproject.openstacknode.api.DpdkConfig;
+import org.onosproject.openstacknode.api.DpdkConfig.DatapathType;
+import org.onosproject.openstacknode.api.DpdkInterface;
+
+/**
+ * Hamcrest matcher for dpdk config.
+ */
+public final class DpdkConfigJsonMatcher extends TypeSafeDiagnosingMatcher<JsonNode> {
+    private final DpdkConfig dpdkConfig;
+
+    private static final String DATA_PATH_TYPE = "datapathType";
+    private static final String SOCKET_DIR = "socketDir";
+    private static final String DPDK_INTFS = "dpdkIntfs";
+
+    private DpdkConfigJsonMatcher(DpdkConfig dpdkConfig) {
+        this.dpdkConfig = dpdkConfig;
+    }
+
+    @Override
+    protected boolean matchesSafely(JsonNode jsonNode, Description description) {
+
+        // check datapath type
+        DatapathType jsonDatapathType = DatapathType.valueOf(
+                jsonNode.get(DATA_PATH_TYPE).asText().toUpperCase());
+        DatapathType datapathType = dpdkConfig.datapathType();
+
+        if (!jsonDatapathType.equals(datapathType)) {
+            description.appendText("datapath type was " + jsonDatapathType.name());
+            return false;
+        }
+
+        // check socket directory
+        JsonNode jsonSocketDir = jsonNode.get(SOCKET_DIR);
+        if (jsonSocketDir != null) {
+            String socketDir = dpdkConfig.socketDir();
+
+            if (!jsonSocketDir.asText().equals(socketDir)) {
+                description.appendText("socketDir was " + jsonSocketDir);
+                return false;
+            }
+        }
+
+        // check dpdk interfaces
+        JsonNode jsonDpdkintfs = jsonNode.get(DPDK_INTFS);
+        if (jsonDpdkintfs != null) {
+            if (jsonDpdkintfs.size() != dpdkConfig.dpdkIntfs().size()) {
+                description.appendText("dpdk interface size was " + jsonDpdkintfs.size());
+                return false;
+            }
+
+            for (DpdkInterface dpdkIntf : dpdkConfig.dpdkIntfs()) {
+                boolean intfFound = false;
+                for (int intfIndex = 0; intfIndex < jsonDpdkintfs.size(); intfIndex++) {
+                    DpdkInterfaceJsonMatcher intfMatcher =
+                            DpdkInterfaceJsonMatcher.matchesDpdkInterface(dpdkIntf);
+                    if (intfMatcher.matches(jsonDpdkintfs.get(intfIndex))) {
+                        intfFound = true;
+                        break;
+                    }
+                }
+
+                if (!intfFound) {
+                    description.appendText("DpdkIntf not found " + dpdkIntf.toString());
+                    return false;
+                }
+            }
+        }
+
+        return true;
+    }
+
+    @Override
+    public void describeTo(Description description) {
+        description.appendText(dpdkConfig.toString());
+    }
+
+    /**
+     * Factory to allocate and dpdk config matcher.
+     *
+     * @param dpdkConfig dpdk config object we are looking for
+     * @return matcher
+     */
+    public static DpdkConfigJsonMatcher matchDpdkConfig(DpdkConfig dpdkConfig) {
+        return new DpdkConfigJsonMatcher(dpdkConfig);
+    }
+}
diff --git a/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/DpdkInterfaceJsonMatcher.java b/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/DpdkInterfaceJsonMatcher.java
new file mode 100644
index 0000000..a5b17e4
--- /dev/null
+++ b/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/DpdkInterfaceJsonMatcher.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2018-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.openstacknode.codec;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import org.hamcrest.Description;
+import org.hamcrest.TypeSafeDiagnosingMatcher;
+import org.onosproject.openstacknode.api.DpdkInterface;
+import org.onosproject.openstacknode.api.DpdkInterface.Type;
+import org.slf4j.Logger;
+
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Hamcrest matcher for dpdk interface.
+ */
+public final class DpdkInterfaceJsonMatcher extends TypeSafeDiagnosingMatcher<JsonNode> {
+    private final Logger log = getLogger(getClass());
+
+    private static final String DEVICE_NAME = "deviceName";
+    private static final String INTF = "intf";
+    private static final String PCI_ADDRESS = "pciAddress";
+    private static final String TYPE = "type";
+    private static final String MTU = "mtu";
+
+    private final DpdkInterface dpdkIntf;
+
+    private DpdkInterfaceJsonMatcher(DpdkInterface dpdkIntf) {
+        this.dpdkIntf = dpdkIntf;
+    }
+
+    @Override
+    protected boolean matchesSafely(JsonNode jsonNode, Description description) {
+
+        // check device name
+        String jsonDeviceName = jsonNode.get(DEVICE_NAME).asText();
+        String deviceName = dpdkIntf.deviceName();
+        if (!jsonDeviceName.equals(deviceName)) {
+            description.appendText("device name was " + jsonDeviceName);
+            return false;
+        }
+
+        String jsonIntf = jsonNode.get(INTF).asText();
+        String intf = dpdkIntf.intf();
+        if (!jsonIntf.equals(intf)) {
+            description.appendText("interface name was " + jsonIntf);
+            return false;
+        }
+
+        String jsonPciAddress = jsonNode.get(PCI_ADDRESS).asText();
+        String pciAddress = dpdkIntf.pciAddress();
+        if (!jsonPciAddress.equals(pciAddress)) {
+            description.appendText("pci address was " + jsonPciAddress);
+            return false;
+        }
+
+        Type jsonType = Type.valueOf(jsonNode.get(TYPE).asText());
+        Type type = dpdkIntf.type();
+        if (!jsonType.equals(type)) {
+            description.appendText("type was " + jsonType.name());
+            return false;
+        }
+
+        JsonNode jsonMtu = jsonNode.get(MTU);
+        if (jsonMtu != null) {
+            Long mtu = dpdkIntf.mtu();
+            if (!jsonMtu.asText().equals(mtu.toString())) {
+                description.appendText("mtu was " + jsonMtu.asText());
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+
+    @Override
+    public void describeTo(Description description) {
+        description.appendText(dpdkIntf.toString());
+    }
+
+    /**
+     * Factory to allocate an dpdk interface matcher.
+     *
+     * @param dpdkIntf dpdk interface object we are looking for
+     * @return matcher
+     */
+    public static DpdkInterfaceJsonMatcher matchesDpdkInterface(DpdkInterface dpdkIntf) {
+        return new DpdkInterfaceJsonMatcher(dpdkIntf);
+    }
+}
diff --git a/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/OpenstackNodeCodecTest.java b/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/OpenstackNodeCodecTest.java
index 4268d6c..af5fdf4 100644
--- a/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/OpenstackNodeCodecTest.java
+++ b/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/OpenstackNodeCodecTest.java
@@ -29,18 +29,24 @@
 import org.onosproject.core.CoreService;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.behaviour.ControllerInfo;
+import org.onosproject.openstacknode.api.DefaultOpenstackAuth;
+import org.onosproject.openstacknode.api.DefaultOpenstackNode;
+import org.onosproject.openstacknode.api.DpdkConfig;
+import org.onosproject.openstacknode.api.DpdkInterface;
 import org.onosproject.openstacknode.api.NodeState;
 import org.onosproject.openstacknode.api.OpenstackAuth;
 import org.onosproject.openstacknode.api.OpenstackNode;
 import org.onosproject.openstacknode.api.OpenstackPhyInterface;
 import org.onosproject.openstacknode.api.OpenstackSshAuth;
-import org.onosproject.openstacknode.api.DefaultOpenstackAuth;
-import org.onosproject.openstacknode.api.DefaultOpenstackNode;
+import org.onosproject.openstacknode.impl.DefaultDpdkConfig;
+import org.onosproject.openstacknode.impl.DefaultDpdkInterface;
 import org.onosproject.openstacknode.impl.DefaultOpenstackPhyInterface;
 import org.onosproject.openstacknode.impl.DefaultOpenstackSshAuth;
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -50,6 +56,7 @@
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.notNullValue;
+import static org.junit.Assert.assertEquals;
 import static org.onosproject.net.NetTestTools.APP_ID;
 import static org.onosproject.openstacknode.codec.OpenstackNodeJsonMatcher.matchesOpenstackNode;
 
@@ -63,6 +70,8 @@
     JsonCodec<ControllerInfo> openstackControllerJsonCodec;
     JsonCodec<OpenstackAuth> openstackAuthJsonCodec;
     JsonCodec<OpenstackSshAuth> openstackSshAuthJsonCodec;
+    JsonCodec<DpdkConfig> dpdkConfigJsonCodec;
+    JsonCodec<DpdkInterface> dpdkInterfaceJsonCodec;
 
     final CoreService mockCoreService = createMock(CoreService.class);
     private static final String REST_APP_ID = "org.onosproject.rest";
@@ -75,12 +84,16 @@
         openstackControllerJsonCodec = new OpenstackControllerCodec();
         openstackAuthJsonCodec = new OpenstackAuthCodec();
         openstackSshAuthJsonCodec = new OpenstackSshAuthCodec();
+        dpdkConfigJsonCodec = new DpdkConfigCodec();
+        dpdkInterfaceJsonCodec = new DpdkInterfaceCodec();
 
         assertThat(openstackNodeCodec, notNullValue());
         assertThat(openstackPhyIntfJsonCodec, notNullValue());
         assertThat(openstackControllerJsonCodec, notNullValue());
         assertThat(openstackAuthJsonCodec, notNullValue());
         assertThat(openstackSshAuthJsonCodec, notNullValue());
+        assertThat(dpdkConfigJsonCodec, notNullValue());
+        assertThat(dpdkInterfaceJsonCodec, notNullValue());
 
         expect(mockCoreService.registerApplication(REST_APP_ID))
                 .andReturn(APP_ID).anyTimes();
@@ -119,12 +132,11 @@
                                 .state(NodeState.INIT)
                                 .managementIp(IpAddress.valueOf("10.10.10.1"))
                                 .intgBridge(DeviceId.deviceId("br-int"))
-                                .vlanIntf("vxlan")
+                                .vlanIntf("vlan")
                                 .dataIp(IpAddress.valueOf("20.20.20.2"))
                                 .phyIntfs(ImmutableList.of(phyIntf1, phyIntf2))
                                 .controllers(ImmutableList.of(controller1, controller2))
                                 .sshAuthInfo(sshAuth)
-                                .socketDir("/var/lib/libvirt/qemu")
                                 .build();
 
         ObjectNode nodeJson = openstackNodeCodec.encode(node, context);
@@ -134,7 +146,7 @@
     /**
      * Tests the openstack compute node decoding.
      *
-     * @throws IOException
+     * @throws IOException io exception
      */
     @Test
     public void testOpenstackComputeNodeDecode() throws IOException {
@@ -150,8 +162,7 @@
         assertThat(node.controllers().size(), is(2));
         assertThat(node.sshAuthInfo().id(), is("sdn"));
         assertThat(node.sshAuthInfo().password(), is("sdn"));
-        assertThat(node.datapathType(), is(OpenstackNode.DatapathType.NORMAL));
-        assertThat(node.socketDir(), is("/var/lib/libvirt/qemu"));
+        assertThat(node.datapathType(), is(DpdkConfig.DatapathType.NORMAL));
 
 
         node.phyIntfs().forEach(intf -> {
@@ -171,10 +182,65 @@
                 assertThat(ctrl.port(), is(6663));
             }
         });
+    }
 
-        OpenstackNode dpdkNode = getOpenstackNode("OpenstackDpdkComputeNode.json");
+    /**
+     * Tests the openstack compute node encoding with dpdk config.
+     */
+    @Test
+    public void testOpenstackDpdkComputeNodeEncode() {
+        DpdkInterface dpdkInterface1 = DefaultDpdkInterface.builder()
+                .deviceName("br-int")
+                .intf("dpdk0")
+                .mtu(Long.valueOf(1600))
+                .pciAddress("0000:85:00.0")
+                .type(DpdkInterface.Type.DPDK)
+                .build();
 
-        assertThat(dpdkNode.datapathType(), is(OpenstackNode.DatapathType.NETDEV));
+        DpdkInterface dpdkInterface2 = DefaultDpdkInterface.builder()
+                .deviceName("br-tun")
+                .intf("dpdk1")
+                .pciAddress("0000:85:00.1")
+                .type(DpdkInterface.Type.DPDK)
+                .build();
+
+        Collection<DpdkInterface> dpdkInterfaceCollection = new ArrayList<>();
+        dpdkInterfaceCollection.add(dpdkInterface1);
+        dpdkInterfaceCollection.add(dpdkInterface2);
+
+
+        DpdkConfig dpdkConfig = DefaultDpdkConfig.builder()
+                .datapathType(DpdkConfig.DatapathType.NETDEV)
+                .dpdkIntfs(dpdkInterfaceCollection)
+                .build();
+
+        OpenstackNode node = DefaultOpenstackNode.builder()
+                .hostname("compute")
+                .type(OpenstackNode.NodeType.COMPUTE)
+                .state(NodeState.INIT)
+                .managementIp(IpAddress.valueOf("10.10.10.1"))
+                .intgBridge(DeviceId.deviceId("br-int"))
+                .vlanIntf("vlan")
+                .dataIp(IpAddress.valueOf("20.20.20.2"))
+                .dpdkConfig(dpdkConfig)
+                .build();
+
+        ObjectNode nodeJson = openstackNodeCodec.encode(node, context);
+        assertThat(nodeJson, matchesOpenstackNode(node));
+    }
+
+    /**
+     * Tests the openstack compute node decoding with dpdk config.
+     *
+     * @throws IOException io exception
+     */
+    @Test
+    public void testOpenstackDpdkComputeNodeDecode() throws IOException {
+        OpenstackNode node = getOpenstackNode("OpenstackDpdkComputeNode.json");
+
+        assertEquals(node.datapathType(), DpdkConfig.DatapathType.NETDEV);
+        assertEquals(node.socketDir(), "/var/lib/libvirt/qemu");
+        assertEquals(node.dpdkConfig().dpdkIntfs().size(), 2);
     }
 
     /**
@@ -277,6 +343,12 @@
             if (entityClass == OpenstackSshAuth.class) {
                 return (JsonCodec<T>) openstackSshAuthJsonCodec;
             }
+            if (entityClass == DpdkConfig.class) {
+                return (JsonCodec<T>) dpdkConfigJsonCodec;
+            }
+            if (entityClass == DpdkInterface.class) {
+                return (JsonCodec<T>) dpdkInterfaceJsonCodec;
+            }
             return manager.getCodec(entityClass);
         }
 
diff --git a/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/OpenstackNodeJsonMatcher.java b/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/OpenstackNodeJsonMatcher.java
index 49c08c6..6e3b473 100644
--- a/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/OpenstackNodeJsonMatcher.java
+++ b/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/codec/OpenstackNodeJsonMatcher.java
@@ -20,6 +20,7 @@
 import org.hamcrest.TypeSafeDiagnosingMatcher;
 import org.onosproject.net.behaviour.ControllerInfo;
 import org.onosproject.openstacknode.api.Constants;
+import org.onosproject.openstacknode.api.DpdkConfig;
 import org.onosproject.openstacknode.api.OpenstackAuth;
 import org.onosproject.openstacknode.api.OpenstackNode;
 import org.onosproject.openstacknode.api.OpenstackPhyInterface;
@@ -38,12 +39,11 @@
     private static final String INTEGRATION_BRIDGE = "integrationBridge";
     private static final String STATE = "state";
     private static final String PHYSICAL_INTERFACES = "phyIntfs";
+    private static final String DPDK_CONFIG = "dpdkConfig";
     private static final String CONTROLLERS = "controllers";
     private static final String AUTHENTICATION = "authentication";
     private static final String END_POINT = "endpoint";
     private static final String SSH_AUTH = "sshAuth";
-    private static final String DATA_PATH_TYPE = "datapathType";
-    private static final String SOCKET_DIR = "socketDir";
 
     private OpenstackNodeJsonMatcher(OpenstackNode node) {
         this.node = node;
@@ -135,6 +135,13 @@
             }
         }
 
+        // check dpdk config
+        JsonNode jsonDpdkConfig = jsonNode.get(DPDK_CONFIG);
+        if (jsonDpdkConfig != null) {
+            DpdkConfig dpdkConfig = node.dpdkConfig();
+
+        }
+
         // check endpoint URL
         JsonNode jsonEndpoint = jsonNode.get(END_POINT);
         if (jsonEndpoint != null) {
@@ -145,26 +152,6 @@
             }
         }
 
-        // check datapath type
-        JsonNode jsonDatapathType = jsonNode.get(DATA_PATH_TYPE);
-        if (jsonDatapathType != null) {
-            OpenstackNode.DatapathType datapathType = node.datapathType();
-            if (!OpenstackNode.DatapathType.valueOf(jsonDatapathType.asText()).equals(datapathType)) {
-                description.appendText("datapathType was " + jsonDatapathType);
-                return false;
-            }
-        }
-
-        // check socket directory
-        JsonNode jsonSocketDir = jsonNode.get(SOCKET_DIR);
-        if (jsonSocketDir != null) {
-            String socketDir = node.socketDir();
-            if (!jsonSocketDir.asText().equals(socketDir)) {
-                description.appendText("socketDir was " + jsonSocketDir);
-                return false;
-            }
-        }
-
         // check physical interfaces
         JsonNode jsonPhyIntfs = jsonNode.get(PHYSICAL_INTERFACES);
         if (jsonPhyIntfs != null) {
diff --git a/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/impl/DefaultOpenstackNodeHandlerTest.java b/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/impl/DefaultOpenstackNodeHandlerTest.java
index 06d29d7b..ebf12c0 100644
--- a/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/impl/DefaultOpenstackNodeHandlerTest.java
+++ b/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/impl/DefaultOpenstackNodeHandlerTest.java
@@ -70,6 +70,7 @@
 import org.onosproject.net.flow.instructions.ExtensionTreatmentType;
 import org.onosproject.net.provider.ProviderId;
 import org.onosproject.openstacknode.api.DefaultOpenstackNode;
+import org.onosproject.openstacknode.api.DpdkConfig;
 import org.onosproject.openstacknode.api.NodeState;
 import org.onosproject.openstacknode.api.OpenstackAuth;
 import org.onosproject.openstacknode.api.OpenstackNode;
@@ -424,7 +425,7 @@
                 ipAddr,
                 ipAddr,
                 null, null, state, phyIntfs, controllers,
-                null, null, null, OpenstackNode.DatapathType.NORMAL, null);
+                null, null, null, null);
     }
 
     private static OpenstackNode createGatewayNode(String hostname,
@@ -440,7 +441,7 @@
                 ipAddr,
                 ipAddr,
                 null, uplinkPort, state, null, null, null, null, null,
-                OpenstackNode.DatapathType.NORMAL, null);
+                null);
     }
 
     private static final class TestDevice extends DefaultDevice {
@@ -503,8 +504,7 @@
                                   OpenstackAuth auth,
                                   String endpoint,
                                   OpenstackSshAuth sshAuth,
-                                  DatapathType datapathType,
-                                  String socketDir) {
+                                  DpdkConfig dpdkConfig) {
             super(hostname,
                     type,
                     intgBridge,
@@ -518,8 +518,7 @@
                     auth,
                     endpoint,
                     sshAuth,
-                    datapathType,
-                    socketDir);
+                    dpdkConfig);
         }
 
         @Override
diff --git a/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/web/OpenstackNodeCodecRegisterTest.java b/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/web/OpenstackNodeCodecRegisterTest.java
index e1cfa9b..ad64489 100644
--- a/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/web/OpenstackNodeCodecRegisterTest.java
+++ b/apps/openstacknode/app/src/test/java/org/onosproject/openstacknode/web/OpenstackNodeCodecRegisterTest.java
@@ -22,10 +22,14 @@
 import org.onosproject.codec.CodecService;
 import org.onosproject.codec.JsonCodec;
 import org.onosproject.net.behaviour.ControllerInfo;
+import org.onosproject.openstacknode.api.DpdkConfig;
+import org.onosproject.openstacknode.api.DpdkInterface;
 import org.onosproject.openstacknode.api.OpenstackAuth;
 import org.onosproject.openstacknode.api.OpenstackNode;
 import org.onosproject.openstacknode.api.OpenstackPhyInterface;
 import org.onosproject.openstacknode.api.OpenstackSshAuth;
+import org.onosproject.openstacknode.codec.DpdkConfigCodec;
+import org.onosproject.openstacknode.codec.DpdkInterfaceCodec;
 import org.onosproject.openstacknode.codec.OpenstackAuthCodec;
 import org.onosproject.openstacknode.codec.OpenstackControllerCodec;
 import org.onosproject.openstacknode.codec.OpenstackNodeCodec;
@@ -66,6 +70,10 @@
                 codecService.getCodec(ControllerInfo.class).getClass().getName());
         assertEquals(OpenstackSshAuthCodec.class.getName(),
                 codecService.getCodec(OpenstackSshAuth.class).getClass().getName());
+        assertEquals(DpdkConfigCodec.class.getName(),
+                codecService.getCodec(DpdkConfig.class).getClass().getName());
+        assertEquals(DpdkInterfaceCodec.class.getName(),
+                codecService.getCodec(DpdkInterface.class).getClass().getName());
 
         register.deactivate();
 
@@ -74,6 +82,8 @@
         assertNull(codecService.getCodec(OpenstackPhyInterface.class));
         assertNull(codecService.getCodec(ControllerInfo.class));
         assertNull(codecService.getCodec(OpenstackSshAuth.class));
+        assertNull(codecService.getCodec(DpdkConfig.class));
+        assertNull(codecService.getCodec(DpdkInterface.class));
     }
 
     private static class TestCodecService implements CodecService {
diff --git a/apps/openstacknode/app/src/test/resources/org/onosproject/openstacknode/codec/OpenstackComputeNode.json b/apps/openstacknode/app/src/test/resources/org/onosproject/openstacknode/codec/OpenstackComputeNode.json
index 0c0f949..0c07798 100644
--- a/apps/openstacknode/app/src/test/resources/org/onosproject/openstacknode/codec/OpenstackComputeNode.json
+++ b/apps/openstacknode/app/src/test/resources/org/onosproject/openstacknode/codec/OpenstackComputeNode.json
@@ -28,6 +28,5 @@
       "ip": "10.10.10.3",
       "port": 6663
     }
-  ],
-  "socketDir": "/var/lib/libvirt/qemu"
+  ]
 }
\ No newline at end of file
diff --git a/apps/openstacknode/app/src/test/resources/org/onosproject/openstacknode/codec/OpenstackDpdkComputeNode.json b/apps/openstacknode/app/src/test/resources/org/onosproject/openstacknode/codec/OpenstackDpdkComputeNode.json
index 2313047..3e40a65 100644
--- a/apps/openstacknode/app/src/test/resources/org/onosproject/openstacknode/codec/OpenstackDpdkComputeNode.json
+++ b/apps/openstacknode/app/src/test/resources/org/onosproject/openstacknode/codec/OpenstackDpdkComputeNode.json
@@ -3,9 +3,7 @@
   "type": "COMPUTE",
   "managementIp": "172.16.130.4",
   "dataIp": "172.16.130.4",
-  "vlanPort": "eth2",
   "integrationBridge": "of:00000000000000a1",
-  "datapathType" : "netdev",
   "phyIntfs": [
     {
       "network": "mgmtnetwork",
@@ -29,5 +27,25 @@
       "ip": "10.10.10.3",
       "port": 6663
     }
-  ]
+  ],
+  "dpdkConfig" : {
+    "datapathType" : "netdev",
+    "socketDir" : "/var/lib/libvirt/qemu",
+    "dpdkIntfs" : [
+      {
+        "intf" : "dpdk0",
+        "mtu" : 1500,
+        "deviceName" : "br-int",
+        "pciAddress" : "0000:85:00.0",
+        "type" : "dpdk"
+      },
+      {
+        "intf" : "dpdk1",
+        "mtu" : 1500,
+        "deviceName" : "br-tun",
+        "pciAddress" : "0000:85:00.0",
+        "type" : "dpdk"
+      }
+    ]
+  }
 }
\ No newline at end of file