X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=mdsalutil%2Fmdsalutil-api%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fvpnservice%2Fmdsalutil%2FMetaDataUtil.java;h=deb8c7573fd7b457b6f8177987179b839aff4774;hb=refs%2Fchanges%2F83%2F32183%2F3;hp=01d5adea23d1c9c593db7bef9553ed2a4391acfe;hpb=42c322817cb799810b82212370b23ee92d866294;p=vpnservice.git

diff --git a/mdsalutil/mdsalutil-api/src/main/java/org/opendaylight/vpnservice/mdsalutil/MetaDataUtil.java b/mdsalutil/mdsalutil-api/src/main/java/org/opendaylight/vpnservice/mdsalutil/MetaDataUtil.java
index 01d5adea..deb8c757 100644
--- a/mdsalutil/mdsalutil-api/src/main/java/org/opendaylight/vpnservice/mdsalutil/MetaDataUtil.java
+++ b/mdsalutil/mdsalutil-api/src/main/java/org/opendaylight/vpnservice/mdsalutil/MetaDataUtil.java
@@ -11,4 +11,58 @@ import java.math.BigInteger;
 
 public class MetaDataUtil {
     public static final BigInteger METADATA_MASK_VRFID = new BigInteger("00000000FFFFFFFF", 16);
+    public static final BigInteger METADATA_MASK_LPORT_TAG = new BigInteger("1FFFFF0000000000", 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_LABEL_ITM = new BigInteger("40FFFFFF000000FF", 16);
+
+    public static BigInteger getMetaDataForLPortDispatcher(int lportTag, short serviceIndex) {
+        return getServiceIndexMetaData(serviceIndex).or(getLportTagMetaData(lportTag));
+    }
+
+    public static BigInteger getMetaDataForLPortDispatcher(int lportTag, short serviceIndex,
+                                                           BigInteger serviceMetaData) {
+        return getServiceIndexMetaData(serviceIndex).or(getLportTagMetaData(lportTag)).or(serviceMetaData);
+    }
+
+    public static BigInteger getServiceIndexMetaData(int serviceIndex) {
+        return new BigInteger("7", 16).and(BigInteger.valueOf(serviceIndex)).shiftLeft(61);
+    }
+
+    public static BigInteger getLportTagMetaData(int lportTag) {
+        return new BigInteger("1FFFFF", 16).and(BigInteger.valueOf(lportTag)).shiftLeft(40);
+    }
+
+    public static BigInteger getMetaDataMaskForLPortDispatcher() {
+        return METADATA_MASK_SERVICE_INDEX.or(METADATA_MASK_LPORT_TAG);
+    }
+
+    public static BigInteger getMetadataLPort(int lPortTag) {
+        return (new BigInteger("FFFF", 16).and(BigInteger.valueOf(lPortTag))).shiftLeft(40);
+    }
+
+    public static BigInteger getLportFromMetadata(BigInteger metadata) {
+        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();
+    }
+
+    public static BigInteger getMetaDataMaskForLPortDispatcher(BigInteger metadataMaskForServiceIndex,
+                                                               BigInteger metadataMaskForLPortTag, BigInteger metadataMaskForService) {
+        return metadataMaskForServiceIndex.or(metadataMaskForLPortTag).or(metadataMaskForService);
+    }
+
+    /**
+     * For the tunnel id with VNI and valid-vni-flag set, the most significant byte
+     * should have 08. So, shifting 08 to 7 bytes (56 bits) and the result is OR-ed with
+     * VNI being shifted to 1 byte.
+     */
+    public static BigInteger getTunnelIdWithValidVniBitAndVniSet(int vni) {
+        return BigInteger.valueOf(0X08).shiftLeft(56).or(BigInteger.valueOf(vni).shiftLeft(8));
+    }
 }