openstack/net-virt-providers/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/providers/openflow13/services/L3ForwardingService.java

   1 /*
   2  * Copyright (C) 2014 Red Hat, Inc.
   3  *
   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
   7  *
   8  * Authors : Dave Tucker
   9  */
  10
  11 package org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.services;
  12
  13 import java.math.BigInteger;
  14 import java.net.InetAddress;
  15 import java.util.List;
  16
  17 import org.opendaylight.ovsdb.openstack.netvirt.api.Action;
  18 import org.opendaylight.ovsdb.openstack.netvirt.api.Constants;
  19 import org.opendaylight.ovsdb.openstack.netvirt.api.L3ForwardingProvider;
  20 import org.opendaylight.ovsdb.openstack.netvirt.api.Status;
  21 import org.opendaylight.ovsdb.openstack.netvirt.api.StatusCode;
  22 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.AbstractServiceInstance;
  23 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.OF13Provider;
  24 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.Service;
  25 import org.opendaylight.ovsdb.utils.mdsal.openflow.InstructionUtils;
  26 import org.opendaylight.ovsdb.utils.mdsal.openflow.MatchUtils;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.InstructionsBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionKey;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
  39
  40 import com.google.common.collect.Lists;
  41
  42 public class L3ForwardingService extends AbstractServiceInstance implements L3ForwardingProvider {
  43     public L3ForwardingService() {
  44         super(Service.L3_FORWARDING);
  45     }
  46
  47     public L3ForwardingService(Service service) {
  48         super(service);
  49     }
  50
  51     @Override
  52     public Status programForwardingTableEntry(Long dpid, String segmentationId, InetAddress ipAddress,
  53                                               String macAddress, Action action) {
  54         String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
  55
  56         MatchBuilder matchBuilder = new MatchBuilder();
  57         NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
  58
  59         // Instructions List Stores Individual Instructions
  60         InstructionsBuilder isb = new InstructionsBuilder();
  61         List<Instruction> instructions = Lists.newArrayList();
  62         InstructionBuilder ib = new InstructionBuilder();
  63
  64         MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(segmentationId));
  65         MatchUtils.createDstL3IPv4Match(matchBuilder, MatchUtils.iPv4PrefixFromIPv4Address(ipAddress.getHostAddress()));
  66
  67         // Set Dest Mac address
  68         InstructionUtils.createDlDstInstructions(ib, new MacAddress(macAddress));
  69         ib.setOrder(0);
  70         ib.setKey(new InstructionKey(0));
  71         instructions.add(ib.build());
  72
  73         // Goto Next Table
  74         ib = getMutablePipelineInstructionBuilder();
  75         ib.setOrder(1);
  76         ib.setKey(new InstructionKey(1));
  77         instructions.add(ib.build());
  78
  79         FlowBuilder flowBuilder = new FlowBuilder();
  80         flowBuilder.setMatch(matchBuilder.build());
  81         flowBuilder.setInstructions(isb.setInstruction(instructions).build());
  82
  83         String flowId = "L3Forwarding_" + ipAddress.getHostAddress();
  84         flowBuilder.setId(new FlowId(flowId));
  85         FlowKey key = new FlowKey(new FlowId(flowId));
  86         flowBuilder.setBarrier(true);
  87         flowBuilder.setTableId(this.getTable());
  88         flowBuilder.setKey(key);
  89         flowBuilder.setPriority(1024);
  90         flowBuilder.setFlowName(flowId);
  91         flowBuilder.setHardTimeout(0);
  92         flowBuilder.setIdleTimeout(0);
  93
  94         if (action.equals(Action.ADD)) {
  95             writeFlow(flowBuilder, nodeBuilder);
  96         } else {
  97             removeFlow(flowBuilder, nodeBuilder);
  98         }
  99
 100         // ToDo: WriteFlow/RemoveFlow should return something we can use to check success
 101         return new Status(StatusCode.SUCCESS);
 102     }
 103 }