adding packet types
diff --git a/utils/misc/src/main/java/org/onlab/packet/DHCPOption.java b/utils/misc/src/main/java/org/onlab/packet/DHCPOption.java
new file mode 100644
index 0000000..fb6f4df
--- /dev/null
+++ b/utils/misc/src/main/java/org/onlab/packet/DHCPOption.java
@@ -0,0 +1,148 @@
+/*******************************************************************************
+ * Copyright 2014 Open Networking Laboratory
+ *
+ * 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.
+ ******************************************************************************/
+/**
+ * Copyright 2011, Big Switch Networks, Inc.
+ * Originally created by David Erickson, Stanford University
+ *
+ * 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.onlab.packet;
+
+import java.util.Arrays;
+
+/**
+ *
+ * @author David Erickson (daviderickson@cs.stanford.edu)
+ */
+public class DHCPOption {
+ protected byte code;
+ protected byte length;
+ protected byte[] data;
+
+ /**
+ * @return the code
+ */
+ public byte getCode() {
+ return this.code;
+ }
+
+ /**
+ * @param code
+ * the code to set
+ */
+ public DHCPOption setCode(final byte code) {
+ this.code = code;
+ return this;
+ }
+
+ /**
+ * @return the length
+ */
+ public byte getLength() {
+ return this.length;
+ }
+
+ /**
+ * @param length
+ * the length to set
+ */
+ public DHCPOption setLength(final byte length) {
+ this.length = length;
+ return this;
+ }
+
+ /**
+ * @return the data
+ */
+ public byte[] getData() {
+ return this.data;
+ }
+
+ /**
+ * @param data
+ * the data to set
+ */
+ public DHCPOption setData(final byte[] data) {
+ this.data = data;
+ return this;
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see java.lang.Object#hashCode()
+ */
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + this.code;
+ result = prime * result + Arrays.hashCode(this.data);
+ result = prime * result + this.length;
+ return result;
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see java.lang.Object#equals(java.lang.Object)
+ */
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj == null) {
+ return false;
+ }
+ if (!(obj instanceof DHCPOption)) {
+ return false;
+ }
+ final DHCPOption other = (DHCPOption) obj;
+ if (this.code != other.code) {
+ return false;
+ }
+ if (!Arrays.equals(this.data, other.data)) {
+ return false;
+ }
+ if (this.length != other.length) {
+ return false;
+ }
+ return true;
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see java.lang.Object#toString()
+ */
+ @Override
+ public String toString() {
+ return "DHCPOption [code=" + this.code + ", length=" + this.length
+ + ", data=" + Arrays.toString(this.data) + "]";
+ }
+}