Charles Chan | cad338a | 2016-09-16 18:03:11 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-present 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 | |
Pier Ventre | 6f63005 | 2016-10-18 09:58:41 -0700 | [diff] [blame] | 19 | import org.onlab.packet.VlanId; |
Charles Chan | cad338a | 2016-09-16 18:03:11 -0700 | [diff] [blame] | 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; |
Pier Ventre | 9cf536b | 2016-10-21 13:30:18 -0700 | [diff] [blame^] | 30 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmOfdpaMplsL2Port; |
Charles Chan | cad338a | 2016-09-16 18:03:11 -0700 | [diff] [blame] | 31 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmOfdpaMplsType; |
Pier Ventre | 6f63005 | 2016-10-18 09:58:41 -0700 | [diff] [blame] | 32 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmOfdpaOvid; |
Charles Chan | cad338a | 2016-09-16 18:03:11 -0700 | [diff] [blame] | 33 | import org.projectfloodlight.openflow.types.U16; |
Pier Ventre | 9cf536b | 2016-10-21 13:30:18 -0700 | [diff] [blame^] | 34 | import org.projectfloodlight.openflow.types.U32; |
Pier Ventre | 6f63005 | 2016-10-18 09:58:41 -0700 | [diff] [blame] | 35 | import org.slf4j.Logger; |
| 36 | import org.slf4j.LoggerFactory; |
Charles Chan | cad338a | 2016-09-16 18:03:11 -0700 | [diff] [blame] | 37 | |
| 38 | /** |
| 39 | * Interpreter for OFDPA3 OpenFlow treatment extensions. |
| 40 | */ |
| 41 | public class Ofdpa3ExtensionTreatmentInterpreter extends AbstractHandlerBehaviour |
| 42 | implements ExtensionTreatmentInterpreter, ExtensionTreatmentResolver { |
Pier Ventre | 6f63005 | 2016-10-18 09:58:41 -0700 | [diff] [blame] | 43 | |
| 44 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 45 | |
Charles Chan | cad338a | 2016-09-16 18:03:11 -0700 | [diff] [blame] | 46 | @Override |
| 47 | public boolean supported(ExtensionTreatmentType extensionTreatmentType) { |
| 48 | if (extensionTreatmentType.equals( |
| 49 | ExtensionTreatmentType.ExtensionTreatmentTypes.OFDPA_SET_MPLS_TYPE.type())) { |
| 50 | return true; |
Pier Ventre | 6f63005 | 2016-10-18 09:58:41 -0700 | [diff] [blame] | 51 | } else if (extensionTreatmentType.equals( |
| 52 | ExtensionTreatmentType.ExtensionTreatmentTypes.OFDPA_SET_OVID.type())) { |
| 53 | return true; |
Pier Ventre | 9cf536b | 2016-10-21 13:30:18 -0700 | [diff] [blame^] | 54 | } else if (extensionTreatmentType.equals( |
| 55 | ExtensionTreatmentType.ExtensionTreatmentTypes.OFDPA_SET_MPLS_L2_PORT.type())) { |
| 56 | return true; |
Charles Chan | cad338a | 2016-09-16 18:03:11 -0700 | [diff] [blame] | 57 | } |
| 58 | return false; |
| 59 | } |
| 60 | |
| 61 | @Override |
| 62 | public OFAction mapInstruction(OFFactory factory, ExtensionTreatment extensionTreatment) { |
| 63 | ExtensionTreatmentType type = extensionTreatment.type(); |
| 64 | if (type.equals(ExtensionTreatmentType.ExtensionTreatmentTypes.OFDPA_SET_MPLS_TYPE.type())) { |
| 65 | short mplsType = ((Ofdpa3SetMplsType) extensionTreatment).mplsType(); |
| 66 | return factory.actions().setField(factory.oxms().ofdpaMplsType( |
| 67 | U16.ofRaw(mplsType))); |
Pier Ventre | 6f63005 | 2016-10-18 09:58:41 -0700 | [diff] [blame] | 68 | } else if (type.equals(ExtensionTreatmentType.ExtensionTreatmentTypes.OFDPA_SET_OVID.type())) { |
| 69 | // OFDPA requires isPresent bit set to 1 for OVID. |
| 70 | VlanId vlanId = ((Ofdpa3SetOvid) extensionTreatment).vlanId(); |
| 71 | short mask = (short) 0x1000; |
| 72 | short oVid = (short) (mask | vlanId.toShort()); |
| 73 | return factory.actions().setField(factory.oxms().ofdpaOvid( |
| 74 | U16.ofRaw(oVid))); |
Pier Ventre | 9cf536b | 2016-10-21 13:30:18 -0700 | [diff] [blame^] | 75 | } else if (type.equals(ExtensionTreatmentType.ExtensionTreatmentTypes.OFDPA_SET_MPLS_L2_PORT.type())) { |
| 76 | Integer mplsL2Port = ((Ofdpa3SetMplsL2Port) extensionTreatment).mplsL2Port(); |
| 77 | /* |
| 78 | * 0x0000XXXX UNI Interface. |
| 79 | * 0x0002XXXX NNI Interface |
| 80 | */ |
| 81 | if ((mplsL2Port >= 0 && mplsL2Port <= 0x0000FFFF) || |
| 82 | (mplsL2Port >= 0x00020000 && mplsL2Port <= 0x0002FFFF)) { |
| 83 | return factory.actions().setField( |
| 84 | factory.oxms().ofdpaMplsL2Port(U32.ofRaw(mplsL2Port)) |
| 85 | ); |
| 86 | } |
| 87 | throw new UnsupportedOperationException( |
| 88 | "Unexpected ExtensionTreatment: " + extensionTreatment.toString()); |
Charles Chan | cad338a | 2016-09-16 18:03:11 -0700 | [diff] [blame] | 89 | } |
| 90 | throw new UnsupportedOperationException( |
| 91 | "Unexpected ExtensionTreatment: " + extensionTreatment.toString()); |
| 92 | } |
| 93 | |
| 94 | @Override |
| 95 | public ExtensionTreatment mapAction(OFAction action) throws UnsupportedOperationException { |
| 96 | if (action.getType().equals(OFActionType.SET_FIELD)) { |
| 97 | OFActionSetField setFieldAction = (OFActionSetField) action; |
| 98 | OFOxm<?> oxm = setFieldAction.getField(); |
| 99 | switch (oxm.getMatchField().id) { |
| 100 | case OFDPA_MPLS_TYPE: |
| 101 | OFOxmOfdpaMplsType mplsType = (OFOxmOfdpaMplsType) oxm; |
| 102 | return new Ofdpa3SetMplsType(mplsType.getValue().getRaw()); |
Pier Ventre | 6f63005 | 2016-10-18 09:58:41 -0700 | [diff] [blame] | 103 | case OFDPA_OVID: |
| 104 | OFOxmOfdpaOvid ovid = ((OFOxmOfdpaOvid) oxm); |
| 105 | short mask = (short) 0x0FFF; |
| 106 | short oVid = (short) (mask & ovid.getValue().getRaw()); |
| 107 | VlanId vlanId = VlanId.vlanId(oVid); |
| 108 | return new Ofdpa3SetOvid(vlanId); |
Pier Ventre | 9cf536b | 2016-10-21 13:30:18 -0700 | [diff] [blame^] | 109 | case OFDPA_MPLS_L2_PORT: |
| 110 | OFOxmOfdpaMplsL2Port mplsl2Port = ((OFOxmOfdpaMplsL2Port) oxm); |
| 111 | Integer mplsL2Port = mplsl2Port.getValue().getRaw(); |
| 112 | if ((mplsL2Port >= 0 && mplsL2Port <= 0x0000FFFF) || |
| 113 | (mplsL2Port >= 0x00020000 && mplsL2Port <= 0x0002FFFF)) { |
| 114 | return new Ofdpa3SetMplsL2Port(mplsL2Port); |
| 115 | } |
Charles Chan | cad338a | 2016-09-16 18:03:11 -0700 | [diff] [blame] | 116 | default: |
| 117 | throw new UnsupportedOperationException( |
| 118 | "Driver does not support extension type " + oxm.getMatchField().id); |
| 119 | } |
| 120 | } |
| 121 | throw new UnsupportedOperationException( |
| 122 | "Unexpected OFAction: " + action.toString()); |
| 123 | } |
| 124 | |
| 125 | @Override |
| 126 | public ExtensionTreatment getExtensionInstruction(ExtensionTreatmentType type) { |
| 127 | if (type.equals(ExtensionTreatmentType.ExtensionTreatmentTypes.OFDPA_SET_MPLS_TYPE.type())) { |
| 128 | return new Ofdpa3SetMplsType(); |
Pier Ventre | 6f63005 | 2016-10-18 09:58:41 -0700 | [diff] [blame] | 129 | } else if (type.equals(ExtensionTreatmentType.ExtensionTreatmentTypes.OFDPA_SET_OVID.type())) { |
| 130 | return new Ofdpa3SetOvid(); |
Pier Ventre | 9cf536b | 2016-10-21 13:30:18 -0700 | [diff] [blame^] | 131 | } else if (type.equals(ExtensionTreatmentType.ExtensionTreatmentTypes.OFDPA_SET_MPLS_L2_PORT.type())) { |
| 132 | return new Ofdpa3SetMplsL2Port(); |
Charles Chan | cad338a | 2016-09-16 18:03:11 -0700 | [diff] [blame] | 133 | } |
| 134 | throw new UnsupportedOperationException( |
| 135 | "Driver does not support extension type " + type.toString()); |
| 136 | } |
| 137 | } |