Pulled packet libraries into the ONOS namespace

Change-Id: Id16d1a8f4cae5de7b6aaa4536f2ba37a878d8d48
diff --git a/src/main/java/net/onrc/onos/packet/LLC.java b/src/main/java/net/onrc/onos/packet/LLC.java
new file mode 100644
index 0000000..7ff4f56
--- /dev/null
+++ b/src/main/java/net/onrc/onos/packet/LLC.java
@@ -0,0 +1,75 @@
+/**
+*    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 net.onrc.onos.packet;
+
+import java.nio.ByteBuffer;
+
+/**
+ * This class represents an Link Local Control
+ * header that is used in Ethernet 802.3.
+ * @author alexreimers
+ *
+ */
+public class LLC extends BasePacket {
+    private byte dsap = 0;
+    private byte ssap = 0;
+    private byte ctrl = 0;
+    
+    public byte getDsap() {
+        return dsap;
+    }
+
+    public void setDsap(byte dsap) {
+        this.dsap = dsap;
+    }
+
+    public byte getSsap() {
+        return ssap;
+    }
+
+    public void setSsap(byte ssap) {
+        this.ssap = ssap;
+    }
+
+    public byte getCtrl() {
+        return ctrl;
+    }
+
+    public void setCtrl(byte ctrl) {
+        this.ctrl = ctrl;
+    }
+
+    @Override
+    public byte[] serialize() {
+        byte[] data = new byte[3];
+        ByteBuffer bb = ByteBuffer.wrap(data);
+        bb.put(dsap);
+        bb.put(ssap);
+        bb.put(ctrl);
+        return data;
+    }
+
+    @Override
+    public IPacket deserialize(byte[] data, int offset, int length) {
+        ByteBuffer bb = ByteBuffer.wrap(data, offset, length);
+        dsap = bb.get();
+        ssap = bb.get();
+        ctrl = bb.get();
+        return this;
+    }
+}