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.controller.sal.core.Node;
  18 import org.opendaylight.controller.sal.utils.Status;
  19 import org.opendaylight.controller.sal.utils.StatusCode;
  20 import org.opendaylight.ovsdb.openstack.netvirt.api.Action;
  21 import org.opendaylight.ovsdb.openstack.netvirt.api.Constants;
  22 import org.opendaylight.ovsdb.openstack.netvirt.api.L3ForwardingProvider;
  23 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.AbstractServiceInstance;
  24 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.OF13Provider;
  25 import org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13.Service;
  26 import org.opendaylight.ovsdb.utils.mdsal.openflow.InstructionUtils;
  27 import org.opendaylight.ovsdb.utils.mdsal.openflow.MatchUtils;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.InstructionsBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionKey;
  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 boolean isBridgeInPipeline (String nodeId) {
  53         return true;
  54     }
  55
  56     @Override
  57     public Status programForwardingTableEntry(Node node, Long dpid, String segmentationId, InetAddress ipAddress,
  58                                               String macAddress, Action action) {
  59         String nodeName = Constants.OPENFLOW_NODE_PREFIX + dpid;
  60
  61         MatchBuilder matchBuilder = new MatchBuilder();
  62         NodeBuilder nodeBuilder = OF13Provider.createNodeBuilder(nodeName);
  63
  64         // Instructions List Stores Individual Instructions
  65         InstructionsBuilder isb = new InstructionsBuilder();
  66         List<Instruction> instructions = Lists.newArrayList();
  67         InstructionBuilder ib = new InstructionBuilder();
  68
  69         MatchUtils.createTunnelIDMatch(matchBuilder, new BigInteger(segmentationId));
  70         MatchUtils.createDstL3IPv4Match(matchBuilder, new Ipv4Prefix(ipAddress.getHostAddress()));
  71
  72         // Set Dest Mac address
  73         InstructionUtils.createDlDstInstructions(ib, new MacAddress(macAddress));
  74         ib.setOrder(0);
  75         ib.setKey(new InstructionKey(0));
  76         instructions.add(ib.build());
  77
  78         // Goto Next Table
  79         ib = getMutablePipelineInstructionBuilder();
  80         ib.setOrder(1);
  81         ib.setKey(new InstructionKey(1));
  82         instructions.add(ib.build());
  83
  84         FlowBuilder flowBuilder = new FlowBuilder();
  85         flowBuilder.setMatch(matchBuilder.build());
  86         flowBuilder.setInstructions(isb.setInstruction(instructions).build());
  87
  88         String flowId = "L3Forwarding_" + ipAddress.getHostAddress();
  89         flowBuilder.setId(new FlowId(flowId));
  90         FlowKey key = new FlowKey(new FlowId(flowId));
  91         flowBuilder.setBarrier(true);
  92         flowBuilder.setTableId(this.getTable());
  93         flowBuilder.setKey(key);
  94         flowBuilder.setPriority(1024);
  95         flowBuilder.setFlowName(flowId);
  96         flowBuilder.setHardTimeout(0);
  97         flowBuilder.setIdleTimeout(0);
  98
  99         if (action.equals(Action.ADD)) {
 100             writeFlow(flowBuilder, nodeBuilder);
 101         } else {
 102             removeFlow(flowBuilder, nodeBuilder);
 103         }
 104
 105         // ToDo: WriteFlow/RemoveFlow should return something we can use to check success
 106         return new Status(StatusCode.SUCCESS);
 107     }
 108 }