Implemented a mechanism to easily add and access Neighbor Discovery protocol
packet options.

Fixes ONOS-1011

Change-Id: I94daa3f3c1297fb9a7b44901927738a29aff030a
diff --git a/utils/misc/src/test/java/org/onlab/packet/ndp/NeighborAdvertisementTest.java b/utils/misc/src/test/java/org/onlab/packet/ndp/NeighborAdvertisementTest.java
index d0aa944..0c95c6f 100644
--- a/utils/misc/src/test/java/org/onlab/packet/ndp/NeighborAdvertisementTest.java
+++ b/utils/misc/src/test/java/org/onlab/packet/ndp/NeighborAdvertisementTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 Open Networking Laboratory
+ * Copyright 2014-2015 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.
@@ -13,46 +13,46 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-
-
 package org.onlab.packet.ndp;
 
 import org.junit.BeforeClass;
 import org.junit.Test;
-import org.onlab.packet.Data;
+import org.onlab.packet.MacAddress;
 
 import static org.hamcrest.Matchers.is;
 import static org.junit.Assert.assertArrayEquals;
-import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
 
 /**
  * Tests for class {@link NeighborAdvertisement}.
  */
 public class NeighborAdvertisementTest {
     private static final byte[] TARGET_ADDRESS = {
-            (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
-            (byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff, (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce
+        (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18,
+        (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
+        (byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff,
+        (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce
     };
-    private static Data data;
+    private static final MacAddress MAC_ADDRESS =
+        MacAddress.valueOf("11:22:33:44:55:66");
+
     private static byte[] bytePacket;
 
     @BeforeClass
     public static void setUpBeforeClass() throws Exception {
-        data = new Data();
-        data.setData("".getBytes());
-
-        byte[] bytePayload = data.serialize();
         byte[] byteHeader = {
-                (byte) 0xe0, (byte) 0x00, (byte) 0x00, (byte) 0x00,
-                (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
-                (byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff, (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce
+            (byte) 0xe0, (byte) 0x00, (byte) 0x00, (byte) 0x00,
+            (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18,
+            (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
+            (byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff,
+            (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce,
+            (byte) 0x02, (byte) 0x01, (byte) 0x11, (byte) 0x22,
+            (byte) 0x33, (byte) 0x44, (byte) 0x55, (byte) 0x66
         };
-        bytePacket = new byte[byteHeader.length + bytePayload.length];
+        bytePacket = new byte[byteHeader.length];
         System.arraycopy(byteHeader, 0, bytePacket, 0, byteHeader.length);
-        System.arraycopy(bytePayload, 0, bytePacket, byteHeader.length, bytePayload.length);
     }
 
     /**
@@ -65,7 +65,8 @@
         na.setSolicitedFlag((byte) 1);
         na.setOverrideFlag((byte) 1);
         na.setTargetAddress(TARGET_ADDRESS);
-        na.setPayload(data);
+        na.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
+                     MAC_ADDRESS.toBytes());
 
         assertArrayEquals(na.serialize(), bytePacket);
     }
@@ -82,6 +83,13 @@
         assertThat(na.getSolicitedFlag(), is((byte) 1));
         assertThat(na.getOverrideFlag(), is((byte) 1));
         assertArrayEquals(na.getTargetAddress(), TARGET_ADDRESS);
+
+        // Check the option(s)
+        assertThat(na.getOptions().size(), is(1));
+        NeighborDiscoveryOptions.Option option = na.getOptions().get(0);
+        assertThat(option.type(),
+                   is(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS));
+        assertArrayEquals(option.data(), MAC_ADDRESS.toBytes());
     }
 
     /**
@@ -94,12 +102,16 @@
         na1.setSolicitedFlag((byte) 1);
         na1.setOverrideFlag((byte) 1);
         na1.setTargetAddress(TARGET_ADDRESS);
+        na1.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
+                      MAC_ADDRESS.toBytes());
 
         NeighborAdvertisement na2 = new NeighborAdvertisement();
         na2.setRouterFlag((byte) 1);
         na2.setSolicitedFlag((byte) 1);
         na2.setOverrideFlag((byte) 0);
         na2.setTargetAddress(TARGET_ADDRESS);
+        na2.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
+                      MAC_ADDRESS.toBytes());
 
         assertTrue(na1.equals(na1));
         assertFalse(na1.equals(na2));
diff --git a/utils/misc/src/test/java/org/onlab/packet/ndp/NeighborSolicitationTest.java b/utils/misc/src/test/java/org/onlab/packet/ndp/NeighborSolicitationTest.java
index d0e5122..09e0117 100644
--- a/utils/misc/src/test/java/org/onlab/packet/ndp/NeighborSolicitationTest.java
+++ b/utils/misc/src/test/java/org/onlab/packet/ndp/NeighborSolicitationTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 Open Networking Laboratory
+ * Copyright 2014-2015 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.
@@ -13,47 +13,52 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-
-
 package org.onlab.packet.ndp;
 
 import org.junit.BeforeClass;
 import org.junit.Test;
-import org.onlab.packet.Data;
+import org.onlab.packet.MacAddress;
 
+import static org.hamcrest.Matchers.is;
 import static org.junit.Assert.assertArrayEquals;
-import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
+
 /**
  * Tests for class {@link NeighborSolicitation}.
  */
 public class NeighborSolicitationTest {
     private static final byte[] TARGET_ADDRESS = {
-            (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
-            (byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff, (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce
+        (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18,
+        (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
+        (byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff,
+        (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce
     };
     private static final byte[] TARGET_ADDRESS2 = {
-            (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
-            (byte) 0xe6, (byte) 0xce, (byte) 0x8f, (byte) 0xff, (byte) 0xfe, (byte) 0x54, (byte) 0x37, (byte) 0xc8
+        (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18,
+        (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
+        (byte) 0xe6, (byte) 0xce, (byte) 0x8f, (byte) 0xff,
+        (byte) 0xfe, (byte) 0x54, (byte) 0x37, (byte) 0xc8
     };
-    private static Data data;
+    private static final MacAddress MAC_ADDRESS =
+        MacAddress.valueOf("11:22:33:44:55:66");
+
     private static byte[] bytePacket;
 
     @BeforeClass
     public static void setUpBeforeClass() throws Exception {
-        data = new Data();
-        data.setData("".getBytes());
-
-        byte[] bytePayload = data.serialize();
         byte[] byteHeader = {
-                (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
-                (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
-                (byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff, (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce
+            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
+            (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18,
+            (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
+            (byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff,
+            (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce,
+            (byte) 0x02, (byte) 0x01, (byte) 0x11, (byte) 0x22,
+            (byte) 0x33, (byte) 0x44, (byte) 0x55, (byte) 0x66
         };
-        bytePacket = new byte[byteHeader.length + bytePayload.length];
+        bytePacket = new byte[byteHeader.length];
         System.arraycopy(byteHeader, 0, bytePacket, 0, byteHeader.length);
-        System.arraycopy(bytePayload, 0, bytePacket, byteHeader.length, bytePayload.length);
     }
 
     /**
@@ -63,7 +68,8 @@
     public void testSerialize() {
         NeighborSolicitation ns = new NeighborSolicitation();
         ns.setTargetAddress(TARGET_ADDRESS);
-        ns.setPayload(data);
+        ns.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
+                     MAC_ADDRESS.toBytes());
 
         assertArrayEquals(ns.serialize(), bytePacket);
     }
@@ -77,6 +83,13 @@
         ns.deserialize(bytePacket, 0, bytePacket.length);
 
         assertArrayEquals(ns.getTargetAddress(), TARGET_ADDRESS);
+
+        // Check the option(s)
+        assertThat(ns.getOptions().size(), is(1));
+        NeighborDiscoveryOptions.Option option = ns.getOptions().get(0);
+        assertThat(option.type(),
+                   is(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS));
+        assertArrayEquals(option.data(), MAC_ADDRESS.toBytes());
     }
 
     /**
@@ -86,9 +99,13 @@
     public void testEqual() {
         NeighborSolicitation ns1 = new NeighborSolicitation();
         ns1.setTargetAddress(TARGET_ADDRESS);
+        ns1.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
+                      MAC_ADDRESS.toBytes());
 
         NeighborSolicitation ns2 = new NeighborSolicitation();
         ns2.setTargetAddress(TARGET_ADDRESS2);
+        ns2.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
+                      MAC_ADDRESS.toBytes());
 
         assertTrue(ns1.equals(ns1));
         assertFalse(ns1.equals(ns2));
diff --git a/utils/misc/src/test/java/org/onlab/packet/ndp/RedirectTest.java b/utils/misc/src/test/java/org/onlab/packet/ndp/RedirectTest.java
index 2f419c7..865f03a 100644
--- a/utils/misc/src/test/java/org/onlab/packet/ndp/RedirectTest.java
+++ b/utils/misc/src/test/java/org/onlab/packet/ndp/RedirectTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 Open Networking Laboratory
+ * Copyright 2014-2015 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.
@@ -13,54 +13,62 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-
-
 package org.onlab.packet.ndp;
 
 import org.junit.BeforeClass;
 import org.junit.Test;
-import org.onlab.packet.Data;
+import org.onlab.packet.MacAddress;
 
+import static org.hamcrest.Matchers.is;
 import static org.junit.Assert.assertArrayEquals;
-import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
 
 /**
  * Tests for class {@link Redirect}.
  */
 public class RedirectTest {
     private static final byte[] TARGET_ADDRESS = {
-            (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
-            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
+        (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18,
+        (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
+        (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
+        (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
     };
     private static final byte[] DESTINATION_ADDRESS = {
-            (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
-            (byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff, (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce
+        (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18,
+        (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
+        (byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff,
+        (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce
     };
     private static final byte[] DESTINATION_ADDRESS2 = {
-            (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
-            (byte) 0xe6, (byte) 0xce, (byte) 0x8f, (byte) 0xff, (byte) 0xfe, (byte) 0x54, (byte) 0x37, (byte) 0xc8
+        (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18,
+        (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
+        (byte) 0xe6, (byte) 0xce, (byte) 0x8f, (byte) 0xff,
+        (byte) 0xfe, (byte) 0x54, (byte) 0x37, (byte) 0xc8
     };
-    private static Data data;
+    private static final MacAddress MAC_ADDRESS =
+        MacAddress.valueOf("11:22:33:44:55:66");
+
     private static byte[] bytePacket;
 
     @BeforeClass
     public static void setUpBeforeClass() throws Exception {
-        data = new Data();
-        data.setData("".getBytes());
-
-        byte[] bytePayload = data.serialize();
         byte[] byteHeader = {
-                (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
-                (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
-                (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
-                (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
-                (byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff, (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce
+            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
+            (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18,
+            (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
+            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
+            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
+            (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18,
+            (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
+            (byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff,
+            (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce,
+            (byte) 0x02, (byte) 0x01, (byte) 0x11, (byte) 0x22,
+            (byte) 0x33, (byte) 0x44, (byte) 0x55, (byte) 0x66
         };
-        bytePacket = new byte[byteHeader.length + bytePayload.length];
+        bytePacket = new byte[byteHeader.length];
         System.arraycopy(byteHeader, 0, bytePacket, 0, byteHeader.length);
-        System.arraycopy(bytePayload, 0, bytePacket, byteHeader.length, bytePayload.length);
     }
 
     /**
@@ -71,7 +79,8 @@
         Redirect rd = new Redirect();
         rd.setTargetAddress(TARGET_ADDRESS);
         rd.setDestinationAddress(DESTINATION_ADDRESS);
-        rd.setPayload(data);
+        rd.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
+                     MAC_ADDRESS.toBytes());
 
         assertArrayEquals(rd.serialize(), bytePacket);
     }
@@ -86,6 +95,13 @@
 
         assertArrayEquals(rd.getTargetAddress(), TARGET_ADDRESS);
         assertArrayEquals(rd.getDestinationAddress(), DESTINATION_ADDRESS);
+
+        // Check the option(s)
+        assertThat(rd.getOptions().size(), is(1));
+        NeighborDiscoveryOptions.Option option = rd.getOptions().get(0);
+        assertThat(option.type(),
+                   is(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS));
+        assertArrayEquals(option.data(), MAC_ADDRESS.toBytes());
     }
 
     /**
@@ -96,10 +112,14 @@
         Redirect rd1 = new Redirect();
         rd1.setTargetAddress(TARGET_ADDRESS);
         rd1.setDestinationAddress(DESTINATION_ADDRESS);
+        rd1.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
+                      MAC_ADDRESS.toBytes());
 
         Redirect rd2 = new Redirect();
         rd2.setTargetAddress(TARGET_ADDRESS);
         rd2.setDestinationAddress(DESTINATION_ADDRESS2);
+        rd2.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
+                      MAC_ADDRESS.toBytes());
 
         assertTrue(rd1.equals(rd1));
         assertFalse(rd1.equals(rd2));
diff --git a/utils/misc/src/test/java/org/onlab/packet/ndp/RouterAdvertisementTest.java b/utils/misc/src/test/java/org/onlab/packet/ndp/RouterAdvertisementTest.java
index 2fd1815..b69d142 100644
--- a/utils/misc/src/test/java/org/onlab/packet/ndp/RouterAdvertisementTest.java
+++ b/utils/misc/src/test/java/org/onlab/packet/ndp/RouterAdvertisementTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 Open Networking Laboratory
+ * Copyright 2014-2015 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.
@@ -13,14 +13,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-
-
 package org.onlab.packet.ndp;
 
 import org.junit.BeforeClass;
 import org.junit.Test;
-import org.onlab.packet.Data;
+import org.onlab.packet.MacAddress;
 
 import static org.hamcrest.Matchers.is;
 import static org.junit.Assert.assertArrayEquals;
@@ -32,23 +29,22 @@
  * Tests for class {@link RouterAdvertisement}.
  */
 public class RouterAdvertisementTest {
-    private static Data data;
+    private static final MacAddress MAC_ADDRESS =
+        MacAddress.valueOf("11:22:33:44:55:66");
+
     private static byte[] bytePacket;
 
     @BeforeClass
     public static void setUpBeforeClass() throws Exception {
-        data = new Data();
-        data.setData("".getBytes());
-
-        byte[] bytePayload = data.serialize();
         byte[] byteHeader = {
-                (byte) 0x03, (byte) 0xc0, (byte) 0x02, (byte) 0x58,
-                (byte) 0x00, (byte) 0x00, (byte) 0x03, (byte) 0xe8,
-                (byte) 0x00, (byte) 0x00, (byte) 0x01, (byte) 0xf4
+            (byte) 0x03, (byte) 0xc0, (byte) 0x02, (byte) 0x58,
+            (byte) 0x00, (byte) 0x00, (byte) 0x03, (byte) 0xe8,
+            (byte) 0x00, (byte) 0x00, (byte) 0x01, (byte) 0xf4,
+            (byte) 0x02, (byte) 0x01, (byte) 0x11, (byte) 0x22,
+            (byte) 0x33, (byte) 0x44, (byte) 0x55, (byte) 0x66
         };
-        bytePacket = new byte[byteHeader.length + bytePayload.length];
+        bytePacket = new byte[byteHeader.length];
         System.arraycopy(byteHeader, 0, bytePacket, 0, byteHeader.length);
-        System.arraycopy(bytePayload, 0, bytePacket, byteHeader.length, bytePayload.length);
     }
 
     /**
@@ -63,7 +59,8 @@
         ra.setRouterLifetime((short) 0x258);
         ra.setReachableTime(0x3e8);
         ra.setRetransmitTimer(0x1f4);
-        ra.setPayload(data);
+        ra.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
+                     MAC_ADDRESS.toBytes());
 
         assertArrayEquals(ra.serialize(), bytePacket);
     }
@@ -82,6 +79,13 @@
         assertThat(ra.getRouterLifetime(), is((short) 0x258));
         assertThat(ra.getReachableTime(), is(0x3e8));
         assertThat(ra.getRetransmitTimer(), is(0x1f4));
+
+        // Check the option(s)
+        assertThat(ra.getOptions().size(), is(1));
+        NeighborDiscoveryOptions.Option option = ra.getOptions().get(0);
+        assertThat(option.type(),
+                   is(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS));
+        assertArrayEquals(option.data(), MAC_ADDRESS.toBytes());
     }
 
     /**
@@ -96,6 +100,8 @@
         ra1.setRouterLifetime((short) 0x258);
         ra1.setReachableTime(0x3e8);
         ra1.setRetransmitTimer(0x1f4);
+        ra1.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
+                      MAC_ADDRESS.toBytes());
 
         RouterAdvertisement ra2 = new RouterAdvertisement();
         ra2.setCurrentHopLimit((byte) 3);
@@ -104,6 +110,8 @@
         ra2.setRouterLifetime((short) 0x1f4);
         ra2.setReachableTime(0x3e8);
         ra2.setRetransmitTimer(0x1f4);
+        ra2.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
+                      MAC_ADDRESS.toBytes());
 
         assertTrue(ra1.equals(ra1));
         assertFalse(ra1.equals(ra2));
diff --git a/utils/misc/src/test/java/org/onlab/packet/ndp/RouterSolicitationTest.java b/utils/misc/src/test/java/org/onlab/packet/ndp/RouterSolicitationTest.java
index a5ce194..9c087e3 100644
--- a/utils/misc/src/test/java/org/onlab/packet/ndp/RouterSolicitationTest.java
+++ b/utils/misc/src/test/java/org/onlab/packet/ndp/RouterSolicitationTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 Open Networking Laboratory
+ * Copyright 2014-2015 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.
@@ -13,38 +13,38 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-
-
 package org.onlab.packet.ndp;
 
 import org.junit.BeforeClass;
 import org.junit.Test;
-import org.onlab.packet.Data;
+import org.onlab.packet.MacAddress;
 
+import static org.hamcrest.Matchers.is;
 import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 
 /**
  * Tests for class {@link RouterSolicitation}.
  */
 public class RouterSolicitationTest {
-    private static final byte[] OPTION = {
-        (byte) 0x01, (byte) 0x08, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x01
-    };
-    private static Data data;
+    private static final MacAddress MAC_ADDRESS1 =
+        MacAddress.valueOf("11:22:33:44:55:66");
+    private static final MacAddress MAC_ADDRESS2 =
+        MacAddress.valueOf("11:22:33:44:55:00");
+
     private static byte[] bytePacket;
 
     @BeforeClass
     public static void setUpBeforeClass() throws Exception {
-        data = new Data();
-        data.setData(OPTION);
-
-        byte[] bytePayload = data.serialize();
-        byte[] byteHeader = {(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00};
-        bytePacket = new byte[byteHeader.length + bytePayload.length];
+        byte[] byteHeader = {
+            (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
+            (byte) 0x02, (byte) 0x01, (byte) 0x11, (byte) 0x22,
+            (byte) 0x33, (byte) 0x44, (byte) 0x55, (byte) 0x66
+        };
+        bytePacket = new byte[byteHeader.length];
         System.arraycopy(byteHeader, 0, bytePacket, 0, byteHeader.length);
-        System.arraycopy(bytePayload, 0, bytePacket, byteHeader.length, bytePayload.length);
     }
 
     /**
@@ -53,7 +53,8 @@
     @Test
     public void testSerialize() {
         RouterSolicitation rs = new RouterSolicitation();
-        rs.setPayload(data);
+        rs.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
+                     MAC_ADDRESS1.toBytes());
 
         assertArrayEquals(rs.serialize(), bytePacket);
     }
@@ -65,6 +66,13 @@
     public void testDeserialize() {
         RouterSolicitation rs = new RouterSolicitation();
         rs.deserialize(bytePacket, 0, bytePacket.length);
+
+        // Check the option(s)
+        assertThat(rs.getOptions().size(), is(1));
+        NeighborDiscoveryOptions.Option option = rs.getOptions().get(0);
+        assertThat(option.type(),
+                   is(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS));
+        assertArrayEquals(option.data(), MAC_ADDRESS1.toBytes());
     }
 
     /**
@@ -73,7 +81,14 @@
     @Test
     public void testEqual() {
         RouterSolicitation rs1 = new RouterSolicitation();
+        rs1.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
+                      MAC_ADDRESS1.toBytes());
+
+        RouterSolicitation rs2 = new RouterSolicitation();
+        rs2.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
+                      MAC_ADDRESS2.toBytes());
 
         assertTrue(rs1.equals(rs1));
+        assertFalse(rs1.equals(rs2));
     }
 }