import java.math.BigInteger;
-public class MetaDataUtil {
- public static final BigInteger METADATA_MASK_VRFID = new BigInteger("00000000FFFFFFFE", 16);
- public static final BigInteger METADATA_MASK_LPORT_TAG = new BigInteger("1FFFFF0000000000", 16);
+public final class MetaDataUtil {
+ public static final BigInteger METADATA_MASK_LPORT_TAG = new BigInteger("0FFFFF0000000000", 16);
public static final BigInteger METADATA_MASK_SERVICE = new BigInteger("000000FFFF000000", 16);
- public static final BigInteger METADATA_MASK_SERVICE_INDEX = new BigInteger("E000000000000000", 16);
- public static final BigInteger METADATA_MASK_LPORT_WRITE = new BigInteger("00FFFF0000000000", 16);
- public static final BigInteger METADA_MASK_VALID_TUNNEL_ID_BIT_AND_TUNNEL_ID = new BigInteger("08000000FFFFFF00", 16);
+ public static final BigInteger METADATA_MASK_SERVICE_INDEX = new BigInteger("F000000000000000", 16);
+ public static final BigInteger METADATA_MASK_VRFID = new BigInteger("0000000000FFFFFE", 16);
+ public static final BigInteger METADATA_MASK_REMOTE_ACL_TAG = new BigInteger("0000000000FFFFF0", 16);
+ public static final BigInteger METADATA_MASK_POLICY_CLASSIFER_ID = new BigInteger("0000000000FFFFFE", 16);
+ public static final BigInteger METADA_MASK_VALID_TUNNEL_ID_BIT_AND_TUNNEL_ID
+ = new BigInteger("08000000FFFFFF00", 16);
public static final BigInteger METADATA_MASK_LABEL_ITM = new BigInteger("40FFFFFF000000FF", 16);
public static final BigInteger METADA_MASK_TUNNEL_ID = new BigInteger("00000000FFFFFF00", 16);
public static final BigInteger METADATA_MASK_SERVICE_SH_FLAG = new BigInteger("000000FFFF000001", 16);
- public static final BigInteger METADATA_MASK_LPORT_TAG_SH_FLAG = new BigInteger("1FFFFF0000000001", 16);
- public static final BigInteger METADATA_MASK_ELAN_SUBNET_ROUTE = new BigInteger("0000FFFF00000000", 16);
- public static final BigInteger METADATA_MASK_SUBNET_ROUTE = new BigInteger("0000FFFFFFFFFFFE", 16);
+ public static final BigInteger METADATA_MASK_LPORT_TAG_SH_FLAG = new BigInteger("0FFFFF0000000001", 16);
+ public static final BigInteger METADATA_MASK_SH_FLAG = new BigInteger("0000000000000001", 16);
+ public static final BigInteger METADATA_MASK_ELAN_SUBNET_ROUTE = new BigInteger("000000FFFF000000", 16);
+ public static final BigInteger METADATA_MASK_SUBNET_ROUTE = new BigInteger("000000FFFFFFFFFE", 16);
+ public static final BigInteger METADATA_MASK_ACL_CONNTRACK_CLASSIFIER_TYPE = new BigInteger("0000000000000002", 16);
+ public static final BigInteger METADATA_MASK_ACL_DROP = new BigInteger("0000000000000004", 16);
+
+ public static final int METADATA_ELAN_TAG_OFFSET = 24;
+ public static final int METADATA_ELAN_TAG_BITLEN = 16;
+ public static final int METADATA_VPN_ID_OFFSET = 1;
+ public static final int METADATA_VPN_ID_BITLEN = 23;
+
+ private MetaDataUtil() { }
public static BigInteger getMetaDataForLPortDispatcher(int lportTag, short serviceIndex) {
return getServiceIndexMetaData(serviceIndex).or(getLportTagMetaData(lportTag));
public static BigInteger getMetaDataForLPortDispatcher(int lportTag, short serviceIndex,
BigInteger serviceMetaData, boolean isSHFlagSet) {
- int shBit = (isSHFlagSet) ? 1 : 0;
+ int shBit = isSHFlagSet ? 1 : 0;
return getServiceIndexMetaData(serviceIndex).or(getLportTagMetaData(lportTag)).or(serviceMetaData)
.or(BigInteger.valueOf(shBit));
}
+ public static BigInteger getPolicyClassifierMetaData(long classifier) {
+ return METADATA_MASK_POLICY_CLASSIFER_ID.and(BigInteger.valueOf(classifier).shiftLeft(1));
+ }
+
public static BigInteger getServiceIndexMetaData(int serviceIndex) {
- return new BigInteger("7", 16).and(BigInteger.valueOf(serviceIndex)).shiftLeft(61);
+ return new BigInteger("F", 16).and(BigInteger.valueOf(serviceIndex)).shiftLeft(60);
}
public static BigInteger getLportTagMetaData(int lportTag) {
- return new BigInteger("1FFFFF", 16).and(BigInteger.valueOf(lportTag)).shiftLeft(40);
+ return new BigInteger("FFFFF", 16).and(BigInteger.valueOf(lportTag)).shiftLeft(40);
}
public static BigInteger getMetaDataMaskForLPortDispatcher() {
return METADATA_MASK_SERVICE_INDEX.or(metadataMaskForLPortTag);
}
- public static BigInteger getMetadataLPort(int lPortTag) {
- return (new BigInteger("FFFF", 16).and(BigInteger.valueOf(lPortTag))).shiftLeft(40);
+ public static BigInteger getMetaDataMaskForLPortDispatcher(BigInteger metadataMaskForServiceIndex,
+ BigInteger metadataMaskForLPortTag, BigInteger metadataMaskForService) {
+ return metadataMaskForServiceIndex.or(metadataMaskForLPortTag).or(metadataMaskForService);
+ }
+
+ public static BigInteger getMetadataLPort(int portTag) {
+ return new BigInteger("FFFF", 16).and(BigInteger.valueOf(portTag)).shiftLeft(40);
}
public static BigInteger getLportFromMetadata(BigInteger metadata) {
- return (metadata.and(METADATA_MASK_LPORT_TAG)).shiftRight(40);
+ return metadata.and(METADATA_MASK_LPORT_TAG).shiftRight(40);
}
public static int getElanTagFromMetadata(BigInteger metadata) {
- return (((metadata.and(MetaDataUtil.METADATA_MASK_SERVICE)).
- shiftRight(24))).intValue();
+ return metadata.and(MetaDataUtil.METADATA_MASK_SERVICE).shiftRight(24).intValue();
}
- public static int getServiceTagFromMetadata(BigInteger metadata) {
- return (((metadata.and(MetaDataUtil.METADATA_MASK_SERVICE_INDEX)).
- shiftRight(61))).intValue();
+ public static long getPolicyClassifierFromMetadata(BigInteger metadata) {
+ return metadata.and(METADATA_MASK_POLICY_CLASSIFER_ID).shiftRight(1).longValue();
}
- public static BigInteger getMetaDataMaskForLPortDispatcher(BigInteger metadataMaskForServiceIndex,
- BigInteger metadataMaskForLPortTag, BigInteger metadataMaskForService) {
- return metadataMaskForServiceIndex.or(metadataMaskForLPortTag).or(metadataMaskForService);
+ public static BigInteger getElanTagMetadata(long elanTag) {
+ return BigInteger.valueOf(elanTag).shiftLeft(24);
+ }
+
+ public static int getServiceTagFromMetadata(BigInteger metadata) {
+ return metadata.and(MetaDataUtil.METADATA_MASK_SERVICE_INDEX)
+ .shiftRight(60).intValue();
}
/**
return BigInteger.valueOf(0X08).shiftLeft(56).or(BigInteger.valueOf(vni).shiftLeft(8));
}
- public static long getNatRouterIdFromMetadata(BigInteger metadata){
+ public static long getNatRouterIdFromMetadata(BigInteger metadata) {
return getVpnIdFromMetadata(metadata);
}
+ /**
+ * Gets the ACL conntrack classifier type from meta data.<br>
+ * Second bit in metadata is used for this purpose.<br>
+ *
+ * <p>
+ * Conntrack supported traffic is identified by value 0 (0000 in binary)
+ * i.e., 0x0/0x2<br>
+ * Non-conntrack supported traffic is identified by value 2 (0010 in binary)
+ * i.e., 0x2/0x2
+ *
+ * @param conntrackClassifierType the conntrack classifier flag
+ * @return the acl conntrack classifier flag from meta data
+ */
+ public static BigInteger getAclConntrackClassifierTypeFromMetaData(BigInteger conntrackClassifierType) {
+ return METADATA_MASK_ACL_CONNTRACK_CLASSIFIER_TYPE.and(conntrackClassifierType.shiftLeft(1));
+ }
+
+ public static BigInteger getAclDropMetaData(BigInteger dropFlag) {
+ return METADATA_MASK_ACL_DROP.and(dropFlag.shiftLeft(2));
+ }
+
public static BigInteger getVpnIdMetadata(long vrfId) {
return METADATA_MASK_VRFID.and(BigInteger.valueOf(vrfId).shiftLeft(1));
}
public static long getVpnIdFromMetadata(BigInteger metadata) {
- return (metadata.and(METADATA_MASK_VRFID).shiftRight(1)).longValue();
+ return metadata.and(METADATA_MASK_VRFID).shiftRight(1).longValue();
}
+
public static BigInteger getWriteMetaDataMaskForDispatcherTable() {
return new BigInteger("FFFFFFFFFFFFFFFE", 16);
}
+ public static BigInteger getWriteMetaDataMaskForEgressDispatcherTable() {
+ return new BigInteger("000000FFFFFFFFFE", 16);
+ }
+
public static BigInteger getLportTagForReg6(int lportTag) {
- return new BigInteger("1FFFFF", 16).and(BigInteger.valueOf(lportTag)).shiftLeft(8);
+ return new BigInteger("FFFFF", 16).and(BigInteger.valueOf(lportTag)).shiftLeft(8);
}
+
public static BigInteger getServiceIndexForReg6(int serviceIndex) {
- return new BigInteger("7", 16).and(BigInteger.valueOf(serviceIndex)).shiftLeft(29);
+ return new BigInteger("F", 16).and(BigInteger.valueOf(serviceIndex)).shiftLeft(28);
+ }
+
+ public static BigInteger getInterfaceTypeForReg6(int tunnelType) {
+ return new BigInteger("F", 16).and(BigInteger.valueOf(tunnelType)).shiftLeft(4);
}
+
public static long getReg6ValueForLPortDispatcher(int lportTag, short serviceIndex) {
return getServiceIndexForReg6(serviceIndex).or(getLportTagForReg6(lportTag)).longValue();
}
+ /** Utility to fetch the register value for lport dispatcher table.
+ * Register6 used for service binding will have first 4 bits of service-index, next 20 bits for lportTag,
+ * and next 4 bits for interface-type
+ */
+ public static long getReg6ValueForLPortDispatcher(int lportTag, short serviceIndex, short interfaceType) {
+ return getServiceIndexForReg6(serviceIndex).or(getLportTagForReg6(lportTag)
+ .or(getInterfaceTypeForReg6(interfaceType))).longValue();
+ }
+
+ public static long getLportTagMaskForReg6() {
+ return METADATA_MASK_LPORT_TAG.shiftRight(32).longValue();
+ }
+
+ public static long getElanMaskForReg() {
+ return METADATA_MASK_SERVICE.shiftRight(24).longValue();
+ }
+
+ public static long getVpnIdMaskForReg() {
+ return METADATA_MASK_VRFID.shiftRight(1).longValue();
+ }
+
+ public static BigInteger mergeMetadataValues(BigInteger metadata, BigInteger metadata2) {
+ return metadata.or(metadata2);
+ }
+
+ public static BigInteger mergeMetadataMask(BigInteger mask, BigInteger mask2) {
+ return mask.or(mask2);
+ }
}