2 * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.genius.mdsalutil;
10 import java.math.BigInteger;
12 public class MetaDataUtil {
13 public static final BigInteger METADATA_MASK_VRFID = new BigInteger("00000000FFFFFFFE", 16);
14 public static final BigInteger METADATA_MASK_LPORT_TAG = new BigInteger("0FFFFF0000000000", 16);
15 public static final BigInteger METADATA_MASK_SERVICE = new BigInteger("000000FFFF000000", 16);
16 public static final BigInteger METADATA_MASK_SERVICE_INDEX = new BigInteger("F000000000000000", 16);
17 public static final BigInteger METADA_MASK_VALID_TUNNEL_ID_BIT_AND_TUNNEL_ID
18 = new BigInteger("08000000FFFFFF00", 16);
19 public static final BigInteger METADATA_MASK_LABEL_ITM = new BigInteger("40FFFFFF000000FF", 16);
20 public static final BigInteger METADA_MASK_TUNNEL_ID = new BigInteger("00000000FFFFFF00", 16);
21 public static final BigInteger METADATA_MASK_SERVICE_SH_FLAG = new BigInteger("000000FFFF000001", 16);
22 public static final BigInteger METADATA_MASK_LPORT_TAG_SH_FLAG = new BigInteger("0FFFFF0000000001", 16);
23 public static final BigInteger METADATA_MASK_SH_FLAG = new BigInteger("0000000000000001", 16);
24 public static final BigInteger METADATA_MASK_ELAN_SUBNET_ROUTE = new BigInteger("0000FFFF00000000", 16);
25 public static final BigInteger METADATA_MASK_SUBNET_ROUTE = new BigInteger("0000FFFFFFFFFFFE", 16);
27 public static BigInteger getMetaDataForLPortDispatcher(int lportTag, short serviceIndex) {
28 return getServiceIndexMetaData(serviceIndex).or(getLportTagMetaData(lportTag));
31 public static BigInteger getMetaDataForLPortDispatcher(int lportTag, short serviceIndex,
32 BigInteger serviceMetaData) {
33 return getMetaDataForLPortDispatcher(lportTag, serviceIndex, serviceMetaData, false);
36 public static BigInteger getMetaDataForLPortDispatcher(int lportTag, short serviceIndex,
37 BigInteger serviceMetaData, boolean isSHFlagSet) {
38 int shBit = isSHFlagSet ? 1 : 0;
39 return getServiceIndexMetaData(serviceIndex).or(getLportTagMetaData(lportTag)).or(serviceMetaData)
40 .or(BigInteger.valueOf(shBit));
43 public static BigInteger getServiceIndexMetaData(int serviceIndex) {
44 return new BigInteger("F", 16).and(BigInteger.valueOf(serviceIndex)).shiftLeft(60);
47 public static BigInteger getLportTagMetaData(int lportTag) {
48 return new BigInteger("FFFFF", 16).and(BigInteger.valueOf(lportTag)).shiftLeft(40);
51 public static BigInteger getMetaDataMaskForLPortDispatcher() {
52 return getMetaDataMaskForLPortDispatcher(METADATA_MASK_LPORT_TAG);
55 public static BigInteger getMetaDataMaskForLPortDispatcher(BigInteger metadataMaskForLPortTag) {
56 return METADATA_MASK_SERVICE_INDEX.or(metadataMaskForLPortTag);
59 public static BigInteger getMetaDataMaskForLPortDispatcher(BigInteger metadataMaskForServiceIndex,
60 BigInteger metadataMaskForLPortTag, BigInteger metadataMaskForService) {
61 return metadataMaskForServiceIndex.or(metadataMaskForLPortTag).or(metadataMaskForService);
64 public static BigInteger getMetadataLPort(int portTag) {
65 return new BigInteger("FFFF", 16).and(BigInteger.valueOf(portTag)).shiftLeft(40);
68 public static BigInteger getLportFromMetadata(BigInteger metadata) {
69 return metadata.and(METADATA_MASK_LPORT_TAG).shiftRight(40);
72 public static int getElanTagFromMetadata(BigInteger metadata) {
73 return metadata.and(MetaDataUtil.METADATA_MASK_SERVICE)
74 .shiftRight(24).intValue();
77 public static int getServiceTagFromMetadata(BigInteger metadata) {
78 return metadata.and(MetaDataUtil.METADATA_MASK_SERVICE_INDEX)
79 .shiftRight(60).intValue();
83 * For the tunnel id with VNI and valid-vni-flag set, the most significant byte
84 * should have 08. So, shifting 08 to 7 bytes (56 bits) and the result is OR-ed with
85 * VNI being shifted to 1 byte.
87 public static BigInteger getTunnelIdWithValidVniBitAndVniSet(int vni) {
88 return BigInteger.valueOf(0X08).shiftLeft(56).or(BigInteger.valueOf(vni).shiftLeft(8));
91 public static long getNatRouterIdFromMetadata(BigInteger metadata) {
92 return getVpnIdFromMetadata(metadata);
95 public static BigInteger getVpnIdMetadata(long vrfId) {
96 return METADATA_MASK_VRFID.and(BigInteger.valueOf(vrfId).shiftLeft(1));
99 public static long getVpnIdFromMetadata(BigInteger metadata) {
100 return metadata.and(METADATA_MASK_VRFID).shiftRight(1).longValue();
103 public static BigInteger getWriteMetaDataMaskForDispatcherTable() {
104 return new BigInteger("FFFFFFFFFFFFFFFE", 16);
107 public static BigInteger getLportTagForReg6(int lportTag) {
108 return new BigInteger("FFFFF", 16).and(BigInteger.valueOf(lportTag)).shiftLeft(8);
111 public static BigInteger getServiceIndexForReg6(int serviceIndex) {
112 return new BigInteger("F", 16).and(BigInteger.valueOf(serviceIndex)).shiftLeft(28);
115 public static long getReg6ValueForLPortDispatcher(int lportTag, short serviceIndex) {
116 return getServiceIndexForReg6(serviceIndex).or(getLportTagForReg6(lportTag)).longValue();