Jonathan Hart | 3c25916 | 2015-10-21 21:31:19 -0700 | [diff] [blame] | 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.ExtensionResolver; |
| 21 | import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| 22 | import org.onosproject.net.flow.instructions.ExtensionInstruction; |
| 23 | import org.onosproject.net.flow.instructions.ExtensionType; |
| 24 | import org.onosproject.openflow.controller.ExtensionInterpreter; |
| 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 NiciraExtensionInterpreter extends AbstractHandlerBehaviour |
| 37 | implements ExtensionInterpreter, ExtensionResolver { |
| 38 | |
| 39 | @Override |
| 40 | public boolean supported(ExtensionType extensionType) { |
Satish K | 854eac1 | 2015-11-21 12:23:49 +0530 | [diff] [blame^] | 41 | if (extensionType.equals(ExtensionType.ExtensionTypes.NICIRA_SET_TUNNEL_DST.type())) { |
Jonathan Hart | 3c25916 | 2015-10-21 21:31:19 -0700 | [diff] [blame] | 42 | return true; |
| 43 | } |
Satish K | 854eac1 | 2015-11-21 12:23:49 +0530 | [diff] [blame^] | 44 | if (extensionType.equals(ExtensionType.ExtensionTypes.NICIRA_RESUBMIT.type())) { |
BitOhenry | b53ac6c | 2015-11-16 20:58:58 +0800 | [diff] [blame] | 45 | return true; |
| 46 | } |
Jonathan Hart | 3c25916 | 2015-10-21 21:31:19 -0700 | [diff] [blame] | 47 | return false; |
| 48 | } |
| 49 | |
| 50 | @Override |
| 51 | public OFAction mapInstruction(OFFactory factory, ExtensionInstruction extensionInstruction) { |
| 52 | ExtensionType type = extensionInstruction.type(); |
| 53 | if (type.equals(ExtensionType.ExtensionTypes.NICIRA_SET_TUNNEL_DST.type())) { |
| 54 | NiciraSetTunnelDst tunnelDst = (NiciraSetTunnelDst) extensionInstruction; |
| 55 | return factory.actions().setField(factory.oxms().tunnelIpv4Dst( |
| 56 | IPv4Address.of(tunnelDst.tunnelDst().toInt()))); |
| 57 | } |
BitOhenry | b53ac6c | 2015-11-16 20:58:58 +0800 | [diff] [blame] | 58 | if (type.equals(ExtensionType.ExtensionTypes.NICIRA_RESUBMIT.type())) { |
| 59 | // TODO this will be implemented later |
| 60 | } |
Jonathan Hart | 3c25916 | 2015-10-21 21:31:19 -0700 | [diff] [blame] | 61 | return null; |
| 62 | } |
| 63 | |
| 64 | @Override |
| 65 | public ExtensionInstruction mapAction(OFAction action) { |
| 66 | if (action.getType().equals(OFActionType.SET_FIELD)) { |
| 67 | OFActionSetField setFieldAction = (OFActionSetField) action; |
| 68 | OFOxm<?> oxm = setFieldAction.getField(); |
| 69 | switch (oxm.getMatchField().id) { |
| 70 | case TUNNEL_IPV4_DST: |
| 71 | OFOxmTunnelIpv4Dst tunnelIpv4Dst = (OFOxmTunnelIpv4Dst) oxm; |
| 72 | return new NiciraSetTunnelDst(Ip4Address.valueOf(tunnelIpv4Dst.getValue().getInt())); |
| 73 | default: |
| 74 | throw new UnsupportedOperationException( |
| 75 | "Driver does not support extension type " + oxm.getMatchField().id); |
| 76 | } |
| 77 | } |
| 78 | return null; |
| 79 | } |
| 80 | |
| 81 | @Override |
| 82 | public ExtensionInstruction getExtensionInstruction(ExtensionType type) { |
| 83 | if (type.equals(ExtensionType.ExtensionTypes.NICIRA_SET_TUNNEL_DST.type())) { |
| 84 | return new NiciraSetTunnelDst(); |
| 85 | } |
BitOhenry | b53ac6c | 2015-11-16 20:58:58 +0800 | [diff] [blame] | 86 | if (type.equals(ExtensionType.ExtensionTypes.NICIRA_RESUBMIT.type())) { |
| 87 | return new NiciraResubmit(); |
| 88 | } |
Jonathan Hart | 3c25916 | 2015-10-21 21:31:19 -0700 | [diff] [blame] | 89 | throw new UnsupportedOperationException( |
| 90 | "Driver does not support extension type " + type.toString()); |
| 91 | } |
| 92 | } |