Performacne improvements via adding a netty-based openflowj and openflow plugin;...
[controller.git] / opendaylight / protocol_plugins / openflow_netty / src / main / java / org / opendaylight / controller / protocol_plugin / openflow / vendorextension / v6extension / V6Match.java
diff --git a/opendaylight/protocol_plugins/openflow_netty/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/vendorextension/v6extension/V6Match.java b/opendaylight/protocol_plugins/openflow_netty/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/vendorextension/v6extension/V6Match.java
new file mode 100644 (file)
index 0000000..bdad75f
--- /dev/null
@@ -0,0 +1,1355 @@
+
+/*
+ * Copyright (c) 2013 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.protocol_plugin.openflow.vendorextension.v6extension;
+
+import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
+import org.openflow.protocol.OFMatch;
+import org.openflow.util.U16;
+import org.openflow.util.U8;
+
+import java.net.Inet6Address;
+import org.opendaylight.controller.sal.utils.HexEncode;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.nio.ByteBuffer;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * This Class forms the vendor specific IPv6 Flow Match messages as well as
+ * processes the vendor specific IPv6 Stats Reply message.
+ *
+ * For message creation, it parses the user entered IPv6 match fields, creates
+ * a sub-message for each field which are later used to form the complete
+ * message.
+ *
+ * For message processing, it parses the incoming message and reads each field
+ * of the message and stores in appropriate field of V6Match object.
+ *
+ *
+ */
+public class V6Match extends OFMatch implements Cloneable {
+    private static final Logger logger = LoggerFactory.getLogger(V6Match.class);
+    private static final long serialVersionUID = 1L;
+    protected InetAddress nwSrc;
+    protected InetAddress nwDst;
+    protected short inputPortMask;
+    protected byte[] dataLayerSourceMask;
+    protected byte[] dataLayerDestinationMask;
+    protected short dataLayerVirtualLanMask;
+    protected byte dataLayerVirtualLanPriorityCodePointMask;
+    protected short dataLayerTypeMask;
+    protected byte networkTypeOfServiceMask;
+    protected byte networkProtocolMask;
+    protected InetAddress networkSourceMask;
+    protected InetAddress networkDestinationMask;
+    protected short transportSourceMask;
+    protected short transportDestinationMask;
+    protected short srcIPv6SubnetMaskbits;
+    protected short dstIPv6SubnetMaskbits;
+
+    protected MatchFieldState inputPortState;
+    protected MatchFieldState dlSourceState;
+    protected MatchFieldState dlDestState;
+    protected MatchFieldState dlVlanState;
+    protected MatchFieldState ethTypeState;
+    protected MatchFieldState nwTosState;
+    protected MatchFieldState nwProtoState;
+    protected MatchFieldState nwSrcState;
+    protected MatchFieldState nwDstState;
+    protected MatchFieldState tpSrcState;
+    protected MatchFieldState tpDstState;
+    protected short match_len = 0;
+    protected short pad_size = 0;
+
+    private static int IPV6_EXT_MIN_HDR_LEN = 36;
+
+    private enum MatchFieldState {
+        MATCH_ABSENT, MATCH_FIELD_ONLY, MATCH_FIELD_WITH_MASK
+    }
+
+    private enum OF_Match_Types {
+        MATCH_OF_IN_PORT(0), MATCH_OF_ETH_DST(1), MATCH_OF_ETH_SRC(2), MATCH_OF_ETH_TYPE(
+                3), MATCH_OF_VLAN_TCI(4), MATCH_OF_IP_TOS(5), MATCH_OF_IP_PROTO(
+                6), MATCH_OF_IP_SRC(7), MATCH_OF_IP_DST(8), MATCH_OF_TCP_SRC(9), MATCH_OF_TCP_DST(
+                10), MATCH_OF_UDP_SRC(11), MATCH_OF_UDP_DST(12), MATCH_OF_ICMTP_TYPE(
+                13), MATCH_OF_ICMP_CODE(14), MATCH_OF_ARP_OP(15);
+
+        private int value;
+
+        private OF_Match_Types(int value) {
+            this.value = value;
+        }
+
+        public int getValue() {
+            return this.value;
+        }
+    }
+
+    private enum IPv6Extension_Match_Types {
+        MATCH_IPV6EXT_TUN_ID(16), MATCH_IPV6EXT_ARP_SHA(17), MATCH_IPV6EXT_ARP_THA(
+                18), MATCH_IPV6EXT_IPV6_SRC(19), MATCH_IPV6EXT_IPV6_DST(20);
+
+        private int value;
+
+        private IPv6Extension_Match_Types(int value) {
+            this.value = value;
+        }
+
+        public int getValue() {
+            return value;
+        }
+    }
+
+    public enum Extension_Types {
+        OF_10(0), IPV6EXT(1);
+
+        protected int value;
+
+        private Extension_Types(int value) {
+            this.value = value;
+        }
+
+        public int getValue() {
+            return value;
+        }
+    }
+
+    public V6Match() {
+        super();
+
+        this.nwSrc = null;
+        this.nwDst = null;
+
+        this.inputPortMask = 0;
+        this.dataLayerSourceMask = null;
+        this.dataLayerDestinationMask = null;
+        this.dataLayerTypeMask = 0;
+        this.dataLayerVirtualLanMask = 0;
+        this.dataLayerVirtualLanPriorityCodePointMask = 0;
+        this.networkDestinationMask = null;
+        this.networkSourceMask = null;
+        this.networkTypeOfServiceMask = 0;
+        this.networkProtocolMask = 0;
+        this.transportSourceMask = 0;
+        this.transportDestinationMask = 0;
+
+        this.inputPortState = MatchFieldState.MATCH_ABSENT;
+        this.dlSourceState = MatchFieldState.MATCH_ABSENT;
+        this.dlDestState = MatchFieldState.MATCH_ABSENT;
+        this.dlVlanState = MatchFieldState.MATCH_ABSENT;
+        this.ethTypeState = MatchFieldState.MATCH_ABSENT;
+        this.nwTosState = MatchFieldState.MATCH_ABSENT;
+        this.nwProtoState = MatchFieldState.MATCH_ABSENT;
+        this.nwSrcState = MatchFieldState.MATCH_ABSENT;
+        this.nwDstState = MatchFieldState.MATCH_ABSENT;
+        this.tpSrcState = MatchFieldState.MATCH_ABSENT;
+        this.tpDstState = MatchFieldState.MATCH_ABSENT;
+
+        this.match_len = 0;
+        this.pad_size = 0;
+    }
+
+    public V6Match(OFMatch match) {
+        super();
+        this.match_len = 0;
+        this.pad_size = 0;
+
+        this.networkSourceMask = null;
+        if (match.getNetworkSource() != 0) {
+            InetAddress address = null;
+            try {
+                address = InetAddress.getByAddress(ByteBuffer.allocate(4)
+                        .putInt(match.getNetworkSource()).array());
+            } catch (UnknownHostException e) {
+                logger.error("",e);
+            }
+            this.setNetworkSource(address, null);
+        } else {
+            this.nwSrc = null;
+            this.nwSrcState = MatchFieldState.MATCH_ABSENT;
+        }
+
+        this.networkDestinationMask = null;
+        if (match.getNetworkDestination() != 0) {
+            InetAddress address = null;
+            try {
+                address = InetAddress.getByAddress(ByteBuffer.allocate(4)
+                        .putInt(match.getNetworkDestination()).array());
+            } catch (UnknownHostException e) {
+                logger.error("",e);
+            }
+            this.setNetworkDestination(address, null);
+        } else {
+            this.nwDst = null;
+            this.nwDstState = MatchFieldState.MATCH_ABSENT;
+        }
+
+        this.inputPortMask = 0;
+        if (match.getInputPort() != 0) {
+            this.setInputPort(match.getInputPort(), (short) 0);
+        } else {
+            this.inputPortMask = 0;
+            this.inputPortState = MatchFieldState.MATCH_ABSENT;
+        }
+
+        this.dataLayerSourceMask = null;
+        if (match.getDataLayerSource() != null) {
+            this.setDataLayerSource(match.getDataLayerSource(), null);
+        } else {
+            this.dataLayerSource = null;
+            this.dlSourceState = MatchFieldState.MATCH_ABSENT;
+        }
+        this.dataLayerDestinationMask = null;
+        if (match.getDataLayerDestination() != null) {
+            this.setDataLayerDestination(match.getDataLayerDestination(), null);
+        } else {
+            this.dataLayerDestination = null;
+            this.dlDestState = MatchFieldState.MATCH_ABSENT;
+        }
+
+        this.dataLayerTypeMask = 0;
+        if (match.getDataLayerType() != 0) {
+            this.setDataLayerType(match.getDataLayerType(), (short) 0);
+        } else {
+            this.dataLayerType = 0;
+            this.ethTypeState = MatchFieldState.MATCH_ABSENT;
+        }
+
+        this.dataLayerVirtualLanMask = 0;
+        if (match.getDataLayerVirtualLan() != 0) {
+            this.setDataLayerVirtualLan(match.getDataLayerVirtualLan(),
+                    (short) 0);
+        } else {
+            this.dataLayerVirtualLan = 0;
+            this.dlVlanState = MatchFieldState.MATCH_ABSENT;
+        }
+
+        this.dataLayerVirtualLanPriorityCodePointMask = 0;
+        if (match.getDataLayerVirtualLanPriorityCodePoint() != 0) {
+            this.setDataLayerVirtualLanPriorityCodePoint(match
+                    .getDataLayerVirtualLanPriorityCodePoint(), (byte) 0);
+        } else {
+            this.dataLayerVirtualLanPriorityCodePoint = 0;
+        }
+
+        this.networkProtocolMask = 0;
+        if (match.getNetworkProtocol() != 0) {
+            this.setNetworkProtocol(this.networkProtocol = match
+                    .getNetworkProtocol(), (byte) 0);
+        } else {
+            this.networkProtocol = 0;
+            this.nwProtoState = MatchFieldState.MATCH_ABSENT;
+        }
+
+        this.networkTypeOfServiceMask = 0;
+        if (match.getNetworkTypeOfService() != 0) {
+            this.setNetworkTypeOfService(this.networkTypeOfService = match
+                    .getNetworkTypeOfService(), (byte) 0);
+        } else {
+            this.networkTypeOfService = match.getNetworkTypeOfService();
+            this.nwTosState = MatchFieldState.MATCH_ABSENT;
+        }
+
+        this.transportSourceMask = 0;
+        if (match.getTransportSource() != 0) {
+            this.setTransportSource(match.getTransportSource(), (short) 0);
+        } else {
+            this.transportSource = 0;
+            this.tpSrcState = MatchFieldState.MATCH_ABSENT;
+        }
+
+        this.transportDestinationMask = 0;
+        if (match.getTransportDestination() != 0) {
+            this.setTransportDestination(match.getTransportDestination(),
+                    (short) 0);
+        } else {
+            this.transportDestination = 0;
+            this.tpDstState = MatchFieldState.MATCH_ABSENT;
+        }
+
+        this.setWildcards(match.getWildcards());
+    }
+
+    private enum IPProtocols {
+        ICMP(1), TCP(6), UDP(17), ICMPV6(58);
+
+        private int protocol;
+
+        private IPProtocols(int value) {
+            this.protocol = value;
+        }
+
+        private byte getValue() {
+            return (byte) this.protocol;
+        }
+    }
+
+    public short getIPv6MatchLen() {
+        return match_len;
+    }
+
+    public int getIPv6ExtMinHdrLen() {
+        return IPV6_EXT_MIN_HDR_LEN;
+    }
+
+    public short getPadSize() {
+        return (short) (((match_len + 7) / 8) * 8 - match_len);
+    }
+
+    private int getIPv6ExtensionMatchHeader(Extension_Types extType, int field,
+            int has_mask, int length) {
+        return (((extType.getValue() & 0x0000ffff) << 16)
+                | ((field & 0x0000007f) << 9) | ((has_mask & 0x00000001) << 8) | (length & 0x000000ff));
+    }
+
+    private byte[] getIPv6ExtensionPortMatchMsg(short port) {
+        ByteBuffer ipv6ext_port_msg = ByteBuffer.allocate(6);
+        int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+                OF_Match_Types.MATCH_OF_IN_PORT.getValue(), 0, 2);
+        ipv6ext_port_msg.putInt(nxm_header);
+        ipv6ext_port_msg.putShort(port);
+        return (ipv6ext_port_msg.array());
+    }
+
+    private byte[] getIPv6ExtensionDestMacMatchMsg(byte[] destMac) {
+        ByteBuffer ipv6ext_destmac_msg = ByteBuffer.allocate(10);
+        int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+                OF_Match_Types.MATCH_OF_ETH_DST.getValue(), 0, 6);
+        ipv6ext_destmac_msg.putInt(nxm_header);
+        ipv6ext_destmac_msg.put(destMac);
+        return (ipv6ext_destmac_msg.array());
+    }
+
+    private byte[] getIPv6ExtensionSrcMacMatchMsg(byte[] srcMac) {
+        ByteBuffer ipv6ext_srcmac_msg = ByteBuffer.allocate(10);
+        int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+                OF_Match_Types.MATCH_OF_ETH_SRC.getValue(), 0, 6);
+        ipv6ext_srcmac_msg.putInt(nxm_header);
+        ipv6ext_srcmac_msg.put(srcMac);
+        return (ipv6ext_srcmac_msg.array());
+    }
+
+    private byte[] getIPv6ExtensionEtherTypeMatchMsg(short EtherType) {
+        ByteBuffer ipv6ext_etype_msg = ByteBuffer.allocate(6);
+        int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+                OF_Match_Types.MATCH_OF_ETH_TYPE.getValue(), 0, 2);
+        ipv6ext_etype_msg.putInt(nxm_header);
+        ipv6ext_etype_msg.putShort(EtherType);
+        return (ipv6ext_etype_msg.array());
+    }
+
+    private byte[] getIPv6ExtensionVlanIDMatchMsg(short VLAN) {
+        ByteBuffer ipv6ext_vlanid_msg = ByteBuffer.allocate(6);
+        int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+                OF_Match_Types.MATCH_OF_VLAN_TCI.getValue(), 0, 2);
+        ipv6ext_vlanid_msg.putInt(nxm_header);
+        ipv6ext_vlanid_msg.putShort(VLAN);
+        return (ipv6ext_vlanid_msg.array());
+    }
+
+    private byte[] getIPv6ExtensionSrcIPv6MatchMsg(byte[] srcIpv6) {
+        ByteBuffer ipv6ext_ipv6_msg = ByteBuffer.allocate(20);
+        int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.IPV6EXT,
+                IPv6Extension_Match_Types.MATCH_IPV6EXT_IPV6_SRC.getValue(), 0,
+                16);
+        ipv6ext_ipv6_msg.putInt(nxm_header);
+        ipv6ext_ipv6_msg.put(srcIpv6);
+        return (ipv6ext_ipv6_msg.array());
+    }
+
+    private byte[] getIPv6ExtensionSrcIPv6MatchwithMaskMsg(byte[] srcIpv6,
+            short masklen) {
+        ByteBuffer ipv6ext_ipv6_msg = ByteBuffer.allocate(36);
+        int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.IPV6EXT,
+                IPv6Extension_Match_Types.MATCH_IPV6EXT_IPV6_SRC.getValue(), 1,
+                32);
+        ipv6ext_ipv6_msg.putInt(nxm_header);
+        ipv6ext_ipv6_msg.put(srcIpv6);
+        byte[] ipv6_mask = getIPv6NetworkMaskinBytes(masklen);
+        ipv6ext_ipv6_msg.put(ipv6_mask);
+        return (ipv6ext_ipv6_msg.array());
+    }
+
+    private byte[] getIPv6ExtensionDstIPv6MatchMsg(byte[] dstIpv6) {
+        ByteBuffer ipv6ext_ipv6_msg = ByteBuffer.allocate(20);
+        int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.IPV6EXT,
+                IPv6Extension_Match_Types.MATCH_IPV6EXT_IPV6_DST.getValue(), 0,
+                16);
+        ipv6ext_ipv6_msg.putInt(nxm_header);
+        ipv6ext_ipv6_msg.put(dstIpv6);
+        return (ipv6ext_ipv6_msg.array());
+    }
+
+    private byte[] getIPv6ExtensionDstIPv6MatchwithMaskMsg(byte[] dstIpv6,
+            short masklen) {
+        ByteBuffer ipv6ext_ipv6_msg = ByteBuffer.allocate(36);
+        int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.IPV6EXT,
+                IPv6Extension_Match_Types.MATCH_IPV6EXT_IPV6_DST.getValue(), 1,
+                32);
+        ipv6ext_ipv6_msg.putInt(nxm_header);
+        ipv6ext_ipv6_msg.put(dstIpv6);
+        byte[] ipv6_mask = getIPv6NetworkMaskinBytes(masklen);
+        ipv6ext_ipv6_msg.put(ipv6_mask);
+        return (ipv6ext_ipv6_msg.array());
+    }
+
+    private byte[] getIPv6ExtensionProtocolMatchMsg(byte protocol) {
+        ByteBuffer ipv6ext_proto_msg = ByteBuffer.allocate(5);
+        int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+                OF_Match_Types.MATCH_OF_IP_PROTO.getValue(), 0, 1);
+        if (protocol == 0) {
+            return null;
+        }
+        ipv6ext_proto_msg.putInt(nxm_header);
+        if (protocol == IPProtocols.ICMP.getValue()) {
+            /*
+             * The front end  passes the same protocol type values for IPv4
+             * and IPv6 flows. For the Protocol types we allow in our GUI
+             * (ICMP, TCP, UDP), ICMP is the only one which is different for
+             * IPv6. It is 1 for v4 and 58 for v6 Therefore, we overwrite it
+             * here.
+             */
+            protocol = IPProtocols.ICMPV6.getValue();
+        }
+        ipv6ext_proto_msg.put(protocol);
+        return (ipv6ext_proto_msg.array());
+    }
+
+    private byte[] getIPv6ExtensionTOSMatchMsg(byte tos) {
+        ByteBuffer ipv6ext_tos_msg = ByteBuffer.allocate(5);
+        int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+                OF_Match_Types.MATCH_OF_IP_TOS.getValue(), 0, 1);
+        ipv6ext_tos_msg.putInt(nxm_header);
+        ipv6ext_tos_msg.put(tos);
+        return (ipv6ext_tos_msg.array());
+    }
+
+    private byte[] getIPv6ExtensionTCPSrcPortMatchMsg(short src_port) {
+        ByteBuffer ipv6ext_tcp_srcport_msg = ByteBuffer.allocate(6);
+        int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+                OF_Match_Types.MATCH_OF_TCP_SRC.getValue(), 0, 2);
+        ipv6ext_tcp_srcport_msg.putInt(nxm_header);
+        ipv6ext_tcp_srcport_msg.putShort(src_port);
+        return (ipv6ext_tcp_srcport_msg.array());
+    }
+
+    private byte[] getIPv6ExtensionTCPDstPortMatchMsg(short dst_port) {
+        ByteBuffer ipv6ext_tcp_dstport_msg = ByteBuffer.allocate(6);
+        int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+                OF_Match_Types.MATCH_OF_TCP_DST.getValue(), 0, 2);
+        ipv6ext_tcp_dstport_msg.putInt(nxm_header);
+        ipv6ext_tcp_dstport_msg.putShort(dst_port);
+        return (ipv6ext_tcp_dstport_msg.array());
+    }
+
+    private byte[] getIPv6ExtensionUDPSrcPortMatchMsg(short src_port) {
+        ByteBuffer ipv6ext_udp_srcport_msg = ByteBuffer.allocate(6);
+        int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+                OF_Match_Types.MATCH_OF_UDP_SRC.getValue(), 0, 2);
+        ipv6ext_udp_srcport_msg.putInt(nxm_header);
+        ipv6ext_udp_srcport_msg.putShort(src_port);
+        return (ipv6ext_udp_srcport_msg.array());
+    }
+
+    private byte[] getIPv6ExtensionUDPDstPortMatchMsg(short dst_port) {
+        ByteBuffer ipv6ext_udp_dstport_msg = ByteBuffer.allocate(6);
+        int nxm_header = getIPv6ExtensionMatchHeader(Extension_Types.OF_10,
+                OF_Match_Types.MATCH_OF_UDP_DST.getValue(), 0, 2);
+        ipv6ext_udp_dstport_msg.putInt(nxm_header);
+        ipv6ext_udp_dstport_msg.putShort(dst_port);
+        return (ipv6ext_udp_dstport_msg.array());
+    }
+
+    /**
+     * Sets this (V6Match) object's member variables based on a comma-separated key=value pair similar to OFMatch's fromString.
+     *
+     * @param match a key=value comma separated string.
+     */
+    @Override
+    public void fromString(String match) throws IllegalArgumentException {
+        if (match.equals("") || match.equalsIgnoreCase("any")
+                || match.equalsIgnoreCase("all") || match.equals("[]"))
+            match = "OFMatch[]";
+        String[] tokens = match.split("[\\[,\\]]");
+        String[] values;
+        int initArg = 0;
+        if (tokens[0].equals("OFMatch"))
+            initArg = 1;
+        this.wildcards = OFPFW_ALL;
+        int i;
+        for (i = initArg; i < tokens.length; i++) {
+            values = tokens[i].split("=");
+            if (values.length != 2)
+                throw new IllegalArgumentException("Token " + tokens[i]
+                        + " does not have form 'key=value' parsing " + match);
+            values[0] = values[0].toLowerCase(); // try to make this case insens
+            if (values[0].equals(STR_IN_PORT) || values[0].equals("input_port")) {
+                this.inputPort = U16.t(Integer.valueOf(values[1]));
+                inputPortState = MatchFieldState.MATCH_FIELD_ONLY;
+                match_len += 6;
+            } else if (values[0].equals(STR_DL_DST)
+                    || values[0].equals("eth_dst")) {
+                this.dataLayerDestination = HexEncode
+                        .bytesFromHexString(values[1]);
+                dlDestState = MatchFieldState.MATCH_FIELD_ONLY;
+                match_len += 10;
+            } else if (values[0].equals(STR_DL_SRC)
+                    || values[0].equals("eth_src")) {
+                this.dataLayerSource = HexEncode.bytesFromHexString(values[1]);
+                dlSourceState = MatchFieldState.MATCH_FIELD_ONLY;
+                match_len += 10;
+                this.wildcards &= ~OFPFW_DL_SRC;
+            } else if (values[0].equals(STR_DL_TYPE)
+                    || values[0].equals("eth_type")) {
+                if (values[1].startsWith("0x"))
+                    this.dataLayerType = U16.t(Integer.valueOf(values[1]
+                            .replaceFirst("0x", ""), 16));
+                else
+                    this.dataLayerType = U16.t(Integer.valueOf(values[1]));
+                ethTypeState = MatchFieldState.MATCH_FIELD_ONLY;
+                match_len += 6;
+            } else if (values[0].equals(STR_DL_VLAN)) {
+                this.dataLayerVirtualLan = U16.t(Integer.valueOf(values[1]));
+                dlVlanState = MatchFieldState.MATCH_FIELD_ONLY;
+                match_len += 6;
+            } else if (values[0].equals(STR_DL_VLAN_PCP)) {
+                this.dataLayerVirtualLanPriorityCodePoint = U8.t(Short
+                        .valueOf(values[1]));
+                this.wildcards &= ~OFPFW_DL_VLAN_PCP;
+            } else if (values[0].equals(STR_NW_DST)
+                    || values[0].equals("ip_dst")) {
+                try {
+                    if (values[1].contains("/")) {
+                        String ipv6addr_wmask[] = values[1].split("/");
+                        this.nwDst = InetAddress.getByName(ipv6addr_wmask[0]);
+                        this.dstIPv6SubnetMaskbits = Short
+                                .valueOf(ipv6addr_wmask[1]);
+                        nwDstState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+                        match_len += 36;
+                    } else {
+                        this.nwDst = InetAddress.getByName(values[1]);
+                        nwDstState = MatchFieldState.MATCH_FIELD_ONLY;
+                        match_len += 20;
+                    }
+                } catch (UnknownHostException e) {
+                    logger.error("",e);
+                }
+            } else if (values[0].equals(STR_NW_SRC)
+                    || values[0].equals("ip_src")) {
+                try {
+                    if (values[1].contains("/")) {
+                        String ipv6addr_wmask[] = values[1].split("/");
+                        this.nwSrc = InetAddress.getByName(ipv6addr_wmask[0]);
+                        this.srcIPv6SubnetMaskbits = Short
+                                .valueOf(ipv6addr_wmask[1]);
+                        nwSrcState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+                        match_len += 36;
+                    } else {
+                        this.nwSrc = InetAddress.getByName(values[1]);
+                        nwSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+                        match_len += 20;
+                    }
+                } catch (UnknownHostException e) {
+                    logger.error("",e);
+                }
+            } else if (values[0].equals(STR_NW_PROTO)) {
+                this.networkProtocol = U8.t(Short.valueOf(values[1]));
+                if (!(this.networkProtocol == 0)) {
+                    /*
+                     * if user selects proto 0, don't use it
+                     */
+                    nwProtoState = MatchFieldState.MATCH_FIELD_ONLY;
+                    match_len += 5;
+                }
+            } else if (values[0].equals(STR_NW_TOS)) {
+                this.networkTypeOfService = U8.t(Short.valueOf(values[1]));
+                nwTosState = MatchFieldState.MATCH_FIELD_ONLY;
+                match_len += 5;
+            } else if (values[0].equals(STR_TP_DST)) {
+                this.transportDestination = U16.t(Integer.valueOf(values[1]));
+                tpDstState = MatchFieldState.MATCH_FIELD_ONLY;
+                match_len += 6;
+            } else if (values[0].equals(STR_TP_SRC)) {
+                this.transportSource = U16.t(Integer.valueOf(values[1]));
+                tpSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+                match_len += 6;
+            } else
+                throw new IllegalArgumentException("unknown token " + tokens[i]
+                        + " parsing " + match);
+        }
+
+        /*
+         * In a V6 extension message action list should be preceded by a padding of 0 to
+         * 7 bytes based upon following formula.
+         */
+
+        pad_size = (short) (((match_len + 7) / 8) * 8 - match_len);
+
+    }
+
+    /**
+     * Write this message's binary format to the specified ByteBuffer
+     *
+     * @param data
+     */
+    /*
+    @Override
+    public void writeTo(ByteBuffer data) {
+        if (inputPortState == MatchFieldState.MATCH_FIELD_ONLY) {
+            byte[] ipv6ext_ingress_port_msg = getIPv6ExtensionPortMatchMsg(this.inputPort);
+            data.put(ipv6ext_ingress_port_msg);
+        }
+        if (ethTypeState == MatchFieldState.MATCH_FIELD_ONLY) {
+            byte[] ipv6ext_ether_type_msg = getIPv6ExtensionEtherTypeMatchMsg(this.dataLayerType);
+            data.put(ipv6ext_ether_type_msg);
+        }
+        if (dlDestState == MatchFieldState.MATCH_FIELD_ONLY) {
+            byte[] ipv6ext_destmac_msg = getIPv6ExtensionDestMacMatchMsg(this.dataLayerDestination);
+            data.put(ipv6ext_destmac_msg);
+        }
+        if (dlSourceState == MatchFieldState.MATCH_FIELD_ONLY) {
+            byte[] ipv6ext_srcmac_msg = getIPv6ExtensionSrcMacMatchMsg(this.dataLayerSource);
+            data.put(ipv6ext_srcmac_msg);
+        }
+        if (dlVlanState == MatchFieldState.MATCH_FIELD_ONLY) {
+            byte[] ipv6ext_vlan_id_msg = getIPv6ExtensionVlanIDMatchMsg(this.dataLayerVirtualLan);
+            data.put(ipv6ext_vlan_id_msg);
+        }
+        if (nwSrcState == MatchFieldState.MATCH_FIELD_ONLY) {
+            byte[] ipv6ext_src_ipv6_msg = getIPv6ExtensionSrcIPv6MatchMsg(this.nwSrc
+                    .getAddress());
+            data.put(ipv6ext_src_ipv6_msg);
+        } else if (nwSrcState == MatchFieldState.MATCH_FIELD_WITH_MASK) {
+            byte[] ipv6ext_src_ipv6_with_mask_msg = getIPv6ExtensionSrcIPv6MatchwithMaskMsg(
+                    this.nwSrc.getAddress(), this.srcIPv6SubnetMaskbits);
+            data.put(ipv6ext_src_ipv6_with_mask_msg);
+        }
+        if (nwDstState == MatchFieldState.MATCH_FIELD_ONLY) {
+            byte[] ipv6ext_dst_ipv6_msg = getIPv6ExtensionDstIPv6MatchMsg(this.nwDst
+                    .getAddress());
+            data.put(ipv6ext_dst_ipv6_msg);
+        } else if (nwDstState == MatchFieldState.MATCH_FIELD_WITH_MASK) {
+            byte[] ipv6ext_dst_ipv6_with_mask_msg = getIPv6ExtensionDstIPv6MatchwithMaskMsg(
+                    this.nwDst.getAddress(), this.dstIPv6SubnetMaskbits);
+            data.put(ipv6ext_dst_ipv6_with_mask_msg);
+        }
+        if (nwProtoState == MatchFieldState.MATCH_FIELD_ONLY) {
+            byte[] ipv6ext_protocol_msg = getIPv6ExtensionProtocolMatchMsg(this.networkProtocol);
+            if (ipv6ext_protocol_msg != null) {
+                data.put(ipv6ext_protocol_msg);
+            }
+        }
+        if (nwTosState == MatchFieldState.MATCH_FIELD_ONLY) {
+            byte[] ipv6ext_tos_msg = getIPv6ExtensionTOSMatchMsg(this.networkTypeOfService);
+            data.put(ipv6ext_tos_msg);
+        }
+        if (tpSrcState == MatchFieldState.MATCH_FIELD_ONLY) {
+            byte[] ipv6ext_srcport_msg = null;
+            if (this.networkProtocol == IPProtocols.TCP.getValue()) {
+                ipv6ext_srcport_msg = getIPv6ExtensionTCPSrcPortMatchMsg(this.transportSource);
+            } else if (this.networkProtocol == IPProtocols.UDP.getValue()) {
+                ipv6ext_srcport_msg = getIPv6ExtensionUDPSrcPortMatchMsg(this.transportSource);
+            }
+            if (ipv6ext_srcport_msg != null) {
+                data.put(ipv6ext_srcport_msg);
+            }
+        }
+        if (tpDstState == MatchFieldState.MATCH_FIELD_ONLY) {
+            byte[] ipv6ext_dstport_msg = null;
+            if (this.networkProtocol == IPProtocols.TCP.getValue()) {
+                ipv6ext_dstport_msg = getIPv6ExtensionTCPDstPortMatchMsg(this.transportDestination);
+            } else if (this.networkProtocol == IPProtocols.UDP.getValue()) {
+                ipv6ext_dstport_msg = getIPv6ExtensionUDPDstPortMatchMsg(this.transportDestination);
+            }
+            if (ipv6ext_dstport_msg != null) {
+                data.put(ipv6ext_dstport_msg);
+            }
+        }
+        logger.trace("{}", this.toString());
+    }
+    */
+
+    private void readInPort(ByteBuffer data, int nxmLen, boolean hasMask) {
+        if ((nxmLen != 2) || (data.remaining() < 2) || (hasMask))
+            /*
+             * mask is not allowed for inport port
+             */
+            return;
+        super.setInputPort(data.getShort());
+        this.inputPortState = MatchFieldState.MATCH_FIELD_ONLY;
+        this.wildcards ^= (1 << 0); // Sync with 0F 1.0 Match
+        this.match_len += 6;
+    }
+
+    private void readDataLinkDestination(ByteBuffer data, int nxmLen,
+            boolean hasMask) {
+        if (hasMask) {
+            if ((nxmLen != 2 * 6) || (data.remaining() < 2 * 6))
+                return;
+            else {
+                byte[] bytes = new byte[6];
+                data.get(bytes);
+                super.setDataLayerDestination(bytes);
+                this.dataLayerDestinationMask = new byte[6];
+                data.get(this.dataLayerDestinationMask);
+                this.dlDestState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+                this.match_len += 16;
+            }
+        } else {
+            if ((nxmLen != 6) || (data.remaining() < 6))
+                return;
+            else {
+                byte[] bytes = new byte[6];
+                data.get(bytes);
+                super.setDataLayerDestination(bytes);
+                this.dlDestState = MatchFieldState.MATCH_FIELD_ONLY;
+                this.match_len += 10;
+            }
+        }
+        this.wildcards ^= (1 << 3); // Sync with 0F 1.0 Match
+    }
+
+    private void readDataLinkSource(ByteBuffer data, int nxmLen, boolean hasMask) {
+        /*
+         * mask is not allowed in data link source
+         */
+        if ((nxmLen != 6) || (data.remaining() < 6) || (hasMask))
+            return;
+        byte[] bytes = new byte[6];
+        data.get(bytes);
+        super.setDataLayerSource(bytes);
+        this.dlSourceState = MatchFieldState.MATCH_FIELD_ONLY;
+        this.match_len += 10;
+        this.wildcards ^= (1 << 2); // Sync with 0F 1.0 Match
+    }
+
+    private void readEtherType(ByteBuffer data, int nxmLen, boolean hasMask) {
+        /*
+         * mask is not allowed in ethertype
+         */
+        if ((nxmLen != 2) || (data.remaining() < 2) || (hasMask))
+            return;
+        super.setDataLayerType(data.getShort());
+        this.ethTypeState = MatchFieldState.MATCH_FIELD_ONLY;
+        this.wildcards ^= (1 << 4); // Sync with 0F 1.0 Match
+        this.match_len += 6;
+    }
+
+    private void readVlanTci(ByteBuffer data, int nxmLen, boolean hasMask) {
+        short vlan_mask = 0xfff;
+        if (hasMask) {
+            if ((nxmLen != 2 * 2) || (data.remaining() < 2 * 2))
+                return;
+            else {
+                short vlan = data.getShort();
+                vlan &= vlan_mask;
+                super.setDataLayerVirtualLan(vlan);
+                this.dataLayerVirtualLanMask = data.getShort();
+                this.dlVlanState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+                this.match_len += 8;
+                this.wildcards ^= (1 << 20);
+            }
+        } else {
+            if ((nxmLen != 2) || (data.remaining() < 2))
+                return;
+            else {
+                short vlan = data.getShort();
+                vlan &= vlan_mask;
+                super.setDataLayerVirtualLan(vlan);
+                this.dlVlanState = MatchFieldState.MATCH_FIELD_ONLY;
+                this.match_len += 6;
+            }
+        }
+
+        this.wildcards ^= (1 << 1); // Sync with 0F 1.0 Match
+    }
+
+    private void readIpTos(ByteBuffer data, int nxmLen, boolean hasMask) {
+        /*
+         * mask is not allowed in IP TOS
+         */
+        if ((nxmLen != 1) || (data.remaining() < 1) || (hasMask))
+            return;
+        super.setNetworkTypeOfService(data.get());
+        this.nwTosState = MatchFieldState.MATCH_FIELD_ONLY;
+        this.match_len += 5;
+        this.wildcards ^= (1 << 21); // Sync with 0F 1.0 Match
+    }
+
+    private void readIpProto(ByteBuffer data, int nxmLen, boolean hasMask) {
+        /*
+         * mask is not allowed in IP protocol
+         */
+        if ((nxmLen != 1) || (data.remaining() < 1) || (hasMask))
+            return;
+        super.setNetworkProtocol(data.get());
+        this.nwProtoState = MatchFieldState.MATCH_FIELD_ONLY;
+        this.match_len += 5;
+        this.wildcards ^= (1 << 5); // Sync with 0F 1.0 Match
+    }
+
+    private void readIpv4Src(ByteBuffer data, int nxmLen, boolean hasMask) {
+        if (hasMask) {
+            if ((nxmLen != 2 * 4) || (data.remaining() < 2 * 4))
+                return;
+            else {
+                byte[] sbytes = new byte[4];
+                data.get(sbytes);
+                try {
+                    this.nwSrc = InetAddress.getByAddress(sbytes);
+                } catch (UnknownHostException e) {
+                    return;
+                }
+                byte[] mbytes = new byte[4];
+                data.get(mbytes);
+                try {
+                    this.networkSourceMask = InetAddress.getByAddress(mbytes);
+                } catch (UnknownHostException e) {
+                    return;
+                }
+                this.nwSrcState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+                this.match_len += 12;
+                int prefixlen = getNetworkMaskPrefixLength(mbytes);
+                this.wildcards ^= (((1 << 6) - 1) << 8); // Sync with 0F 1.0 Match
+                this.wildcards |= ((32 - prefixlen) << 8); // Sync with 0F 1.0 Match
+
+            }
+        } else {
+            if ((nxmLen != 4) || (data.remaining() < 4))
+                return;
+            else {
+                byte[] sbytes = new byte[4];
+                data.get(sbytes);
+                try {
+                    this.nwSrc = InetAddress.getByAddress(sbytes);
+                } catch (UnknownHostException e) {
+                    return;
+                }
+                this.nwSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+                this.match_len += 8;
+                this.wildcards ^= (((1 << 6) - 1) << 8); // Sync with 0F 1.0 Match
+            }
+        }
+    }
+
+    private void readIpv4Dst(ByteBuffer data, int nxmLen, boolean hasMask) {
+        if (hasMask) {
+            if ((nxmLen != 2 * 4) || (data.remaining() < 2 * 4))
+                return;
+            else {
+                byte[] dbytes = new byte[4];
+                data.get(dbytes);
+                try {
+                    this.nwDst = InetAddress.getByAddress(dbytes);
+                } catch (UnknownHostException e) {
+                    return;
+                }
+                byte[] mbytes = new byte[4];
+                data.get(mbytes);
+                try {
+                    this.networkDestinationMask = InetAddress
+                            .getByAddress(mbytes);
+                } catch (UnknownHostException e) {
+                    return;
+                }
+                this.nwDstState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+                this.match_len += 12;
+                int prefixlen = getNetworkMaskPrefixLength(mbytes);
+                this.wildcards ^= (((1 << 6) - 1) << 14); // Sync with 0F 1.0 Match
+                this.wildcards |= ((32 - prefixlen) << 14); // Sync with 0F 1.0 Match
+            }
+        } else {
+            if ((nxmLen != 4) || (data.remaining() < 4))
+                return;
+            else {
+                byte[] dbytes = new byte[4];
+                data.get(dbytes);
+                try {
+                    this.nwDst = InetAddress.getByAddress(dbytes);
+                } catch (UnknownHostException e) {
+                    return;
+                }
+                this.nwDstState = MatchFieldState.MATCH_FIELD_ONLY;
+                this.wildcards ^= (((1 << 6) - 1) << 14); // Sync with 0F 1.0 Match
+                this.match_len += 8;
+            }
+        }
+    }
+
+    private void readTcpSrc(ByteBuffer data, int nxmLen, boolean hasMask) {
+        /*
+         * mask is not allowed in TCP SRC
+         */
+        if ((nxmLen != 2) || (data.remaining() < 2) || (hasMask))
+            return;
+        super.setTransportSource(data.getShort());
+        this.tpSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+        this.match_len += 6;
+        this.wildcards ^= (1 << 6); // Sync with 0F 1.0 Match
+    }
+
+    private void readTcpDst(ByteBuffer data, int nxmLen, boolean hasMask) {
+        /*
+         * mask is not allowed in TCP DST
+         */
+        if ((nxmLen != 2) || (data.remaining() < 2) || (hasMask))
+            return;
+        super.setTransportDestination(data.getShort());
+        this.tpDstState = MatchFieldState.MATCH_FIELD_ONLY;
+        this.match_len += 6;
+        this.wildcards ^= (1 << 7); // Sync with 0F 1.0 Match
+    }
+
+    private void readUdpSrc(ByteBuffer data, int nxmLen, boolean hasMask) {
+        /*
+         * mask is not allowed in UDP SRC
+         */
+        if ((nxmLen != 2) || (data.remaining() < 2) || (hasMask))
+            return;
+        super.setTransportSource(data.getShort());
+        this.tpSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+        this.match_len += 6;
+        this.wildcards ^= (1 << 6); // Sync with 0F 1.0 Match
+    }
+
+    private void readUdpDst(ByteBuffer data, int nxmLen, boolean hasMask) {
+        /*
+         * mask is not allowed in UDP DST
+         */
+        if ((nxmLen != 2) || (data.remaining() < 2) || (hasMask))
+            return;
+        super.setTransportDestination(data.getShort());
+        this.tpDstState = MatchFieldState.MATCH_FIELD_ONLY;
+        this.match_len += 6;
+        this.wildcards ^= (1 << 7); // Sync with 0F 1.0 Match
+    }
+
+    private void readIpv6Src(ByteBuffer data, int nxmLen, boolean hasMask) {
+        if (hasMask) {
+            if ((nxmLen != 2 * 16) || (data.remaining() < 2 * 16))
+                return;
+            else {
+                byte[] sbytes = new byte[16];
+                data.get(sbytes);
+                try {
+                    this.nwSrc = InetAddress.getByAddress(sbytes);
+                } catch (UnknownHostException e) {
+                    return;
+                }
+                byte[] mbytes = new byte[16];
+                data.get(mbytes);
+                try {
+                    this.networkSourceMask = InetAddress.getByAddress(mbytes);
+                } catch (UnknownHostException e) {
+                    return;
+                }
+                this.nwSrcState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+                this.match_len += 36;
+            }
+        } else {
+            if ((nxmLen != 16) || (data.remaining() < 16))
+                return;
+            else {
+                byte[] sbytes = new byte[16];
+                data.get(sbytes);
+                try {
+                    this.nwSrc = InetAddress.getByAddress(sbytes);
+                } catch (UnknownHostException e) {
+                    return;
+                }
+                this.nwSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+                this.match_len += 20;
+            }
+        }
+    }
+
+    private void readIpv6Dst(ByteBuffer data, int nxmLen, boolean hasMask) {
+        if (hasMask) {
+            if ((nxmLen != 2 * 16) || (data.remaining() < 2 * 16))
+                return;
+            else {
+                byte[] dbytes = new byte[16];
+                data.get(dbytes);
+                try {
+                    this.nwDst = InetAddress.getByAddress(dbytes);
+                } catch (UnknownHostException e) {
+                    return;
+                }
+                byte[] mbytes = new byte[16];
+                data.get(mbytes);
+                try {
+                    this.networkDestinationMask = InetAddress
+                            .getByAddress(mbytes);
+                } catch (UnknownHostException e) {
+                    return;
+                }
+                this.nwDstState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+                this.match_len += 36;
+            }
+        } else {
+            if ((nxmLen != 16) || (data.remaining() < 16))
+                return;
+            else {
+                byte[] dbytes = new byte[16];
+                data.get(dbytes);
+                try {
+                    this.nwDst = InetAddress.getByAddress(dbytes);
+                } catch (UnknownHostException e) {
+                    return;
+                }
+                this.nwDstState = MatchFieldState.MATCH_FIELD_ONLY;
+                this.match_len += 20;
+            }
+        }
+    }
+
+    @Override
+    public String toString() {
+        return "V6Match[" + ReflectionToStringBuilder.toString(this) + "]";
+    }
+
+    /**
+     * Read the data corresponding to the match field (received from the wire)
+     * Input: data: match field(s). Since match field is of variable length, the whole data that are passed in
+     * are assumed to fem0tbd.be the match fields.
+     * @param data
+     */
+    /*
+    @Override
+    public void readFrom(ByteBuffer data) {
+        readFromInternal(data);
+        postprocessWildCardInfo();
+    }
+    */
+
+    private void readFromInternal(ByteBuffer data) {
+        this.match_len = 0;
+        while (data.remaining() > 0) {
+            if (data.remaining() < 4) {
+                /*
+                 * at least 4 bytes for each match header
+                 */
+                logger.error("Invalid Vendor Extension Header. Size {}", data
+                        .remaining());
+                return;
+            }
+            /*
+             * read the 4 byte match header
+             */
+            int nxmVendor = data.getShort();
+            int b = data.get();
+            int nxmField = b >> 1;
+            boolean hasMask = ((b & 0x01) == 1) ? true : false;
+            int nxmLen = data.get();
+            if (nxmVendor == Extension_Types.OF_10.getValue()) {
+                if (nxmField == OF_Match_Types.MATCH_OF_IN_PORT.getValue()) {
+                    readInPort(data, nxmLen, hasMask);
+                } else if (nxmField == OF_Match_Types.MATCH_OF_ETH_DST
+                        .getValue()) {
+                    readDataLinkDestination(data, nxmLen, hasMask);
+                } else if (nxmField == OF_Match_Types.MATCH_OF_ETH_SRC
+                        .getValue()) {
+                    readDataLinkSource(data, nxmLen, hasMask);
+                } else if (nxmField == OF_Match_Types.MATCH_OF_ETH_TYPE
+                        .getValue()) {
+                    readEtherType(data, nxmLen, hasMask);
+                } else if (nxmField == OF_Match_Types.MATCH_OF_VLAN_TCI
+                        .getValue()) {
+                    readVlanTci(data, nxmLen, hasMask);
+                } else if (nxmField == OF_Match_Types.MATCH_OF_IP_TOS
+                        .getValue()) {
+                    readIpTos(data, nxmLen, hasMask);
+                } else if (nxmField == OF_Match_Types.MATCH_OF_IP_PROTO
+                        .getValue()) {
+                    readIpProto(data, nxmLen, hasMask);
+                } else if (nxmField == OF_Match_Types.MATCH_OF_IP_SRC
+                        .getValue()) {
+                    readIpv4Src(data, nxmLen, hasMask);
+                } else if (nxmField == OF_Match_Types.MATCH_OF_IP_DST
+                        .getValue()) {
+                    readIpv4Dst(data, nxmLen, hasMask);
+                } else if (nxmField == OF_Match_Types.MATCH_OF_TCP_SRC
+                        .getValue()) {
+                    readTcpSrc(data, nxmLen, hasMask);
+                } else if (nxmField == OF_Match_Types.MATCH_OF_TCP_DST
+                        .getValue()) {
+                    readTcpDst(data, nxmLen, hasMask);
+                } else if (nxmField == OF_Match_Types.MATCH_OF_UDP_SRC
+                        .getValue()) {
+                    readUdpSrc(data, nxmLen, hasMask);
+                } else if (nxmField == OF_Match_Types.MATCH_OF_UDP_DST
+                        .getValue()) {
+                    readUdpDst(data, nxmLen, hasMask);
+                } else {
+                    // unexpected nxmField
+                    return;
+                }
+            } else if (nxmVendor == Extension_Types.IPV6EXT.getValue()) {
+                if (nxmField == IPv6Extension_Match_Types.MATCH_IPV6EXT_IPV6_SRC
+                        .getValue()) {
+                    readIpv6Src(data, nxmLen, hasMask);
+                } else if (nxmField == IPv6Extension_Match_Types.MATCH_IPV6EXT_IPV6_DST
+                        .getValue()) {
+                    readIpv6Dst(data, nxmLen, hasMask);
+                } else {
+                    // unexpected nxmField
+                    return;
+                }
+            } else {
+                // invalid nxmVendor
+                return;
+            }
+        }
+    }
+
+    private void postprocessWildCardInfo() {
+        // Sync with 0F 1.0 Match
+        if (super.getDataLayerType() == 0x800) {
+            if (((this.wildcards >> 8) & 0x3f) == 0x3f) {
+                //ipv4 src processing
+                this.wildcards ^= (((1 << 5) - 1) << 8);
+            }
+            if (((this.wildcards >> 14) & 0x3f) == 0x3f) {
+                //ipv4 dest processing
+                this.wildcards ^= (((1 << 5) - 1) << 14);
+            }
+        } else {
+            this.wildcards = 0;
+        }
+    }
+
+    @Override
+    public V6Match clone() {
+
+        V6Match ret = (V6Match) super.clone();
+        try {
+            if (this.nwSrc != null) {
+                ret.nwSrc = InetAddress.getByAddress(this.nwSrc.getAddress());
+            }
+            if (this.nwDst != null) {
+                ret.nwDst = InetAddress.getByAddress(this.nwDst.getAddress());
+            }
+            return ret;
+        } catch (UnknownHostException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    /**
+     * Get nw_dst
+     *
+     * @return
+     */
+
+    public InetAddress getNetworkDest() {
+        return this.nwDst;
+    }
+
+    /**
+     * Get nw_src
+     *
+     * @return
+     */
+
+    public void setNetworkSrc(InetAddress address) {
+        nwSrc = address;
+    }
+
+    /**
+     * Set nw_dst
+     *
+     * @return
+     */
+
+    public void setNetworkDest(InetAddress address) {
+        nwDst = address;
+    }
+
+    /**
+     * Set nw_src
+     *
+     * @return
+     */
+
+    public InetAddress getNetworkSrc() {
+        return this.nwSrc;
+    }
+
+    private int getNetworkMaskPrefixLength(byte[] netMask) {
+        ByteBuffer nm = ByteBuffer.wrap(netMask);
+        int trailingZeros = Integer.numberOfTrailingZeros(nm.getInt());
+        return 32 - trailingZeros;
+    }
+
+    public short getInputPortMask() {
+        return inputPortMask;
+    }
+
+    public void setInputPort(short port, short mask) {
+        super.inputPort = port;
+        this.inputPortState = MatchFieldState.MATCH_FIELD_ONLY;
+        match_len += 6;
+        // Looks like mask is not allowed for input port. Will discard it
+    }
+
+    public byte[] getDataLayerSourceMask() {
+        return dataLayerSourceMask;
+    }
+
+    public void setDataLayerSource(byte[] mac, byte[] mask) {
+        if (mac != null) {
+            System.arraycopy(mac, 0, super.dataLayerSource, 0, mac.length);
+        }
+        if (mask == null) {
+            this.dlSourceState = MatchFieldState.MATCH_FIELD_ONLY;
+            this.match_len += 10;
+        } else {
+            if (this.dataLayerSourceMask == null) {
+                this.dataLayerSourceMask = new byte[mask.length];
+            }
+            System.arraycopy(mask, 0, this.dataLayerSourceMask, 0, mask.length);
+            this.dlSourceState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+            this.match_len += 16;
+        }
+    }
+
+    public byte[] getDataLayerDestinationMask() {
+        return dataLayerDestinationMask;
+    }
+
+    public void setDataLayerDestination(byte[] mac, byte[] mask) {
+        if (mac != null) {
+            System.arraycopy(mac, 0, super.dataLayerDestination, 0, mac.length);
+        }
+        if (mask == null) {
+            this.dlDestState = MatchFieldState.MATCH_FIELD_ONLY;
+            this.match_len += 10;
+        } else {
+            if (this.dataLayerDestinationMask == null) {
+                this.dataLayerDestinationMask = new byte[mask.length];
+            }
+            System.arraycopy(mask, 0, this.dataLayerDestinationMask, 0,
+                    mask.length);
+            this.dlDestState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+            this.match_len += 16;
+        }
+    }
+
+    public short getDataLayerVirtualLanMask() {
+        return dataLayerVirtualLanMask;
+    }
+
+    public void setDataLayerVirtualLan(short vlan, short mask) {
+        super.dataLayerVirtualLan = vlan;
+        if (mask == 0) {
+            this.dlVlanState = MatchFieldState.MATCH_FIELD_ONLY;
+            this.match_len += 6;
+        } else {
+            this.dataLayerVirtualLanMask = mask;
+            this.dlVlanState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+            this.match_len += 8;
+        }
+    }
+
+    public void setDataLayerVirtualLanPriorityCodePoint(byte pcp, byte mask) {
+        super.dataLayerVirtualLanPriorityCodePoint = pcp;
+    }
+
+    public void setDataLayerType(short ethType, short mask) {
+        // mask not allowed
+        super.dataLayerType = ethType;
+        this.ethTypeState = MatchFieldState.MATCH_FIELD_ONLY;
+        this.match_len += 6;
+    }
+
+    public void setNetworkTypeOfService(byte tos, byte mask) {
+        // mask not allowed
+        super.networkTypeOfService = tos;
+        this.nwTosState = MatchFieldState.MATCH_FIELD_ONLY;
+        match_len += 5;
+    }
+
+    public void setNetworkProtocol(byte ipProto, byte mask) {
+        // mask not allowed
+        super.networkProtocol = ipProto;
+        this.nwProtoState = MatchFieldState.MATCH_FIELD_ONLY;
+        this.match_len += 5;
+    }
+
+    public InetAddress getNetworkSourceMask() {
+        return networkSourceMask;
+    }
+
+    public void setNetworkSource(InetAddress address, InetAddress mask) {
+        this.nwSrc = address;
+        if (mask == null) {
+            this.nwSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+            this.match_len += (address instanceof Inet6Address) ? 20 : 8;
+        } else {
+            this.networkSourceMask = mask;
+            this.nwSrcState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+            this.match_len += (address instanceof Inet6Address) ? 36 : 12;
+        }
+    }
+
+    public InetAddress getNetworkDestinationMask() {
+        return networkDestinationMask;
+    }
+
+    public void setNetworkDestination(InetAddress address, InetAddress mask) {
+        this.nwDst = address;
+        if (mask == null) {
+            this.nwDstState = MatchFieldState.MATCH_FIELD_ONLY;
+            this.match_len += (address instanceof Inet6Address) ? 20 : 8;
+        } else {
+            this.networkDestinationMask = mask;
+            this.nwDstState = MatchFieldState.MATCH_FIELD_WITH_MASK;
+            this.match_len += (address instanceof Inet6Address) ? 36 : 12;
+        }
+    }
+
+    public void setTransportSource(short tpSrc, short mask) {
+        // mask not allowed
+        super.transportSource = tpSrc;
+        this.tpSrcState = MatchFieldState.MATCH_FIELD_ONLY;
+        this.match_len += 6;
+    }
+
+    public short getTransportDestinationMask() {
+        return transportDestinationMask;
+    }
+
+    public void setTransportDestination(short tpDst, short mask) {
+        // mask not allowed
+        super.transportDestination = tpDst;
+        this.tpDstState = MatchFieldState.MATCH_FIELD_ONLY;
+        this.match_len += 6;
+    }
+
+    private byte[] getIPv6NetworkMaskinBytes(short num) {
+        byte[] nbytes = new byte[16];
+        int quot = num / 8;
+        int bits = num % 8;
+        int i;
+
+        for (i = 0; i < quot; i++) {
+            nbytes[i] = (byte) 0xff;
+        }
+
+        if (bits > 0) {
+            nbytes[i] = (byte) 0xff;
+            nbytes[i] <<= 8 - bits;
+        }
+        return nbytes;
+    }
+}