gerrit.opnfv Code Review - onosfw.git/blob

   1 /*
   2  * Copyright 2015 Open Networking Laboratory
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.onosproject.driver.extensions;
  18
  19 import org.onlab.packet.Ip4Address;
  20 import org.onosproject.net.behaviour.ExtensionTreatmentResolver;
  21 import org.onosproject.net.driver.AbstractHandlerBehaviour;
  22 import org.onosproject.net.flow.instructions.ExtensionTreatment;
  23 import org.onosproject.net.flow.instructions.ExtensionTreatmentType;
  24 import org.onosproject.openflow.controller.ExtensionTreatmentInterpreter;
  25 import org.projectfloodlight.openflow.protocol.OFActionType;
  26 import org.projectfloodlight.openflow.protocol.OFFactory;
  27 import org.projectfloodlight.openflow.protocol.action.OFAction;
  28 import org.projectfloodlight.openflow.protocol.action.OFActionSetField;
  29 import org.projectfloodlight.openflow.protocol.oxm.OFOxm;
  30 import org.projectfloodlight.openflow.protocol.oxm.OFOxmTunnelIpv4Dst;
  31 import org.projectfloodlight.openflow.types.IPv4Address;
  32
  33 /**
  34  * Interpreter for Nicira OpenFlow extensions.
  35  */
  36 public class NiciraExtensionTreatmentInterpreter extends AbstractHandlerBehaviour
  37         implements ExtensionTreatmentInterpreter, ExtensionTreatmentResolver {
  38
  39     @Override
  40     public boolean supported(ExtensionTreatmentType extensionTreatmentType) {
  41         if (extensionTreatmentType.equals(
  42                 ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_SET_TUNNEL_DST.type())) {
  43             return true;
  44         }
  45         if (extensionTreatmentType.equals(
  46                 ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_RESUBMIT.type())) {
  47             return true;
  48         }
  49         if (extensionTreatmentType.equals(
  50                 ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_SET_NSH_SPI.type())) {
  51             return true;
  52         }
  53         return false;
  54     }
  55
  56     @Override
  57     public OFAction mapInstruction(OFFactory factory, ExtensionTreatment extensionTreatment) {
  58         ExtensionTreatmentType type = extensionTreatment.type();
  59         if (type.equals(ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_SET_TUNNEL_DST.type())) {
  60             NiciraSetTunnelDst tunnelDst = (NiciraSetTunnelDst) extensionTreatment;
  61             return factory.actions().setField(factory.oxms().tunnelIpv4Dst(
  62                     IPv4Address.of(tunnelDst.tunnelDst().toInt())));
  63         }
  64         if (type.equals(ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_RESUBMIT.type())) {
  65           // TODO this will be implemented later
  66         }
  67         if (type.equals(ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_SET_NSH_SPI.type())) {
  68             // TODO this will be implemented later
  69         }
  70         return null;
  71     }
  72
  73     @Override
  74     public ExtensionTreatment mapAction(OFAction action) {
  75         if (action.getType().equals(OFActionType.SET_FIELD)) {
  76             OFActionSetField setFieldAction = (OFActionSetField) action;
  77             OFOxm<?> oxm = setFieldAction.getField();
  78             switch (oxm.getMatchField().id) {
  79             case TUNNEL_IPV4_DST:
  80                 OFOxmTunnelIpv4Dst tunnelIpv4Dst = (OFOxmTunnelIpv4Dst) oxm;
  81                 return new NiciraSetTunnelDst(Ip4Address.valueOf(tunnelIpv4Dst.getValue().getInt()));
  82             default:
  83                 throw new UnsupportedOperationException(
  84                         "Driver does not support extension type " + oxm.getMatchField().id);
  85             }
  86         }
  87         return null;
  88     }
  89
  90     @Override
  91     public ExtensionTreatment getExtensionInstruction(ExtensionTreatmentType type) {
  92         if (type.equals(ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_SET_TUNNEL_DST.type())) {
  93             return new NiciraSetTunnelDst();
  94         }
  95         if (type.equals(ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_RESUBMIT.type())) {
  96             return new NiciraResubmit();
  97         }
  98         if (type.equals(ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_SET_NSH_SPI.type())) {
  99             return new NiciraSetNshSpi();
 100         }
 101         throw new UnsupportedOperationException(
 102                 "Driver does not support extension type " + type.toString());
 103     }
 104 }