--- /dev/null
+/*
+ * Copyright (c) 2013-2014 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.sal.packet;
+
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import org.apache.commons.lang3.tuple.ImmutablePair;
+import org.apache.commons.lang3.tuple.Pair;
+import org.opendaylight.controller.sal.match.Match;
+import org.opendaylight.controller.sal.match.MatchType;
+
+/**
+ * Class that represents the IEEE 802.1Q objects
+ */
+public class IEEE8021Q extends Packet {
+ private static final String PCP = "PriorityCodePoint";
+ private static final String CFI = "CanonicalFormatIndicator";
+ private static final String VID = "VlanIdentifier";
+ private static final String ETHT = "EtherType";
+
+ private static Map<String, Pair<Integer, Integer>> fieldCoordinates = new LinkedHashMap<String, Pair<Integer, Integer>>() {
+ private static final long serialVersionUID = 1L;
+ {
+ put(PCP, new ImmutablePair<Integer, Integer>(0, 3));
+ put(CFI, new ImmutablePair<Integer, Integer>(3, 1));
+ put(VID, new ImmutablePair<Integer, Integer>(4, 12));
+ put(ETHT, new ImmutablePair<Integer, Integer>(16, 16));
+ }
+ };
+ private final Map<String, byte[]> fieldValues;
+
+ /**
+ * Default constructor that creates and sets the HashMap
+ */
+ public IEEE8021Q() {
+ super();
+ fieldValues = new HashMap<String, byte[]>();
+ hdrFieldCoordMap = fieldCoordinates;
+ hdrFieldsMap = fieldValues;
+ }
+
+ /**
+ * Constructor that sets the access level for the packet and creates and
+ * sets the HashMap
+ */
+ public IEEE8021Q(boolean writeAccess) {
+ super(writeAccess);
+ fieldValues = new HashMap<String, byte[]>();
+ hdrFieldCoordMap = fieldCoordinates;
+ hdrFieldsMap = fieldValues;
+ }
+
+ @Override
+ /**
+ * Store the value read from data stream in hdrFieldMap
+ */
+ public void setHeaderField(String headerField, byte[] readValue) {
+ if (headerField.equals(ETHT)) {
+ payloadClass = Ethernet.etherTypeClassMap.get(BitBufferHelper.getShort(readValue));
+ }
+ hdrFieldsMap.put(headerField, readValue);
+ }
+
+ /**
+ * Gets the priority code point(PCP) stored
+ *
+ * @return byte - the PCP
+ */
+ public byte getPcp() {
+ return BitBufferHelper.getByte(fieldValues.get(PCP));
+ }
+
+ /**
+ * Gets the canonical format indicator(CFI) stored
+ *
+ * @return byte - the CFI
+ */
+ public byte getCfi() {
+ return BitBufferHelper.getByte(fieldValues.get(CFI));
+ }
+
+ /**
+ * Gets the VLAN identifier(VID) stored
+ *
+ * @return short - the VID
+ */
+ public short getVid() {
+ return BitBufferHelper.getShort(fieldValues.get(VID));
+ }
+
+ /**
+ * Gets the etherType stored
+ *
+ * @return short - the etherType
+ */
+ public short getEtherType() {
+ return BitBufferHelper.getShort(fieldValues.get(ETHT));
+ }
+
+ /**
+ * Sets the priority code point(PCP) for the current IEEE 802.1Q object
+ * instance
+ *
+ * @param byte - the PCP to set
+ */
+ public IEEE8021Q setPcp(byte pcp) {
+ byte[] priorityCodePoint = BitBufferHelper.toByteArray(pcp);
+ fieldValues.put(PCP, priorityCodePoint);
+ return this;
+ }
+
+ /**
+ * Sets the canonical format indicator(CFI) for the current IEEE 802.1Q
+ * object instance
+ *
+ * @param byte - the CFI to set
+ */
+ public IEEE8021Q setCfi(byte cfi) {
+ byte[] canonicalFormatIndicator = BitBufferHelper.toByteArray(cfi);
+ fieldValues.put(CFI, canonicalFormatIndicator);
+ return this;
+ }
+
+ /**
+ * Sets the VLAN identifier(VID) for the current IEEE 802.1Q instance
+ *
+ * @param short - the VID to set
+ */
+ public IEEE8021Q setVid(short vid) {
+ byte[] vlanIdentifier = BitBufferHelper.toByteArray(vid);
+ fieldValues.put(VID, vlanIdentifier);
+ return this;
+ }
+
+ /**
+ * Sets the etherType for the current IEEE 802.1Q object instance
+ *
+ * @param short - the etherType to set
+ */
+ public IEEE8021Q setEtherType(short etherType) {
+ byte[] ethType = BitBufferHelper.toByteArray(etherType);
+ fieldValues.put(ETHT, ethType);
+ return this;
+ }
+
+ @Override
+ public void populateMatch(Match match) {
+ match.setField(MatchType.DL_VLAN, this.getVid());
+ match.setField(MatchType.DL_VLAN_PR, this.getPcp());
+ match.setField(MatchType.DL_TYPE, this.getEtherType());
+ }
+
+ /**
+ * Gets the header size in bits
+ * @return The .1Q header size in bits
+ */
+ @Override
+ public int getHeaderSize() {
+ return 32;
+ }
+
+}