| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.onosproject.driver.extensions; |
| |
| import org.onlab.packet.VlanId; |
| import org.onosproject.net.behaviour.ExtensionSelectorResolver; |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| import org.onosproject.net.flow.criteria.ExtensionSelector; |
| import org.onosproject.net.flow.criteria.ExtensionSelectorType; |
| import org.onosproject.net.flow.criteria.ExtensionSelectorType.ExtensionSelectorTypes; |
| import org.onosproject.openflow.controller.ExtensionSelectorInterpreter; |
| import org.projectfloodlight.openflow.protocol.OFFactory; |
| import org.projectfloodlight.openflow.protocol.match.MatchField; |
| import org.projectfloodlight.openflow.protocol.oxm.OFOxm; |
| import org.projectfloodlight.openflow.protocol.oxm.OFOxmOfdpaMplsL2Port; |
| import org.projectfloodlight.openflow.protocol.oxm.OFOxmOfdpaOvid; |
| import org.projectfloodlight.openflow.types.U16; |
| import org.projectfloodlight.openflow.types.U32; |
| |
| /** |
| * Interpreter for OFDPA3 OpenFlow selector extensions. |
| */ |
| public class Ofdpa3ExtensionSelectorInterpreter extends AbstractHandlerBehaviour |
| implements ExtensionSelectorInterpreter, ExtensionSelectorResolver { |
| |
| @Override |
| public boolean supported(ExtensionSelectorType extensionSelectorType) { |
| if (extensionSelectorType.equals(ExtensionSelectorTypes.OFDPA_MATCH_OVID.type())) { |
| return true; |
| } else if (extensionSelectorType.equals(ExtensionSelectorTypes.OFDPA_MATCH_MPLS_L2_PORT.type())) { |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| public OFOxm<?> mapSelector(OFFactory factory, ExtensionSelector extensionSelector) { |
| ExtensionSelectorType type = extensionSelector.type(); |
| if (type.equals(ExtensionSelectorTypes.OFDPA_MATCH_OVID.type())) { |
| VlanId vlanId = ((Ofdpa3MatchOvid) extensionSelector).vlanId(); |
| if (vlanId.equals(VlanId.NONE)) { |
| throw new UnsupportedOperationException( |
| "Unexpected ExtensionSelector: " + extensionSelector.toString()); |
| } else if (vlanId.equals(VlanId.ANY)) { |
| throw new UnsupportedOperationException( |
| "Unexpected ExtensionSelector: " + extensionSelector.toString()); |
| } else { |
| short mask = (short) 0x1000; |
| short oVid = (short) (mask | vlanId.toShort()); |
| return factory.oxms().ofdpaOvid(U16.ofRaw(oVid)); |
| } |
| } else if (type.equals(ExtensionSelectorTypes.OFDPA_MATCH_MPLS_L2_PORT.type())) { |
| int mplsL2Port = ((Ofdpa3MatchMplsL2Port) extensionSelector).mplsL2Port(); |
| /* |
| * 0x0000XXXX UNI Interface. |
| * 0x0002XXXX NNI Interface |
| */ |
| if ((mplsL2Port >= 0 && mplsL2Port <= 0x0000FFFF) || |
| (mplsL2Port >= 0x00020000 && mplsL2Port <= 0x0002FFFF)) { |
| return factory.oxms().ofdpaMplsL2Port(U32.ofRaw(mplsL2Port)); |
| } |
| throw new UnsupportedOperationException( |
| "Unexpected ExtensionSelector: " + extensionSelector.toString()); |
| } |
| throw new UnsupportedOperationException( |
| "Unexpected ExtensionSelector: " + extensionSelector.toString()); |
| } |
| |
| @Override |
| public ExtensionSelector mapOxm(OFOxm<?> oxm) { |
| if (oxm.getMatchField().equals(MatchField.OFDPA_OVID)) { |
| VlanId vlanId; |
| if (oxm.isMasked()) { |
| throw new UnsupportedOperationException( |
| "Unexpected OXM: " + oxm.toString()); |
| } else { |
| OFOxmOfdpaOvid ovid = ((OFOxmOfdpaOvid) oxm); |
| short mask = (short) 0x0FFF; |
| short oVid = (short) (mask & ovid.getValue().getRaw()); |
| vlanId = VlanId.vlanId(oVid); |
| } |
| return new Ofdpa3MatchOvid(vlanId); |
| } else if (oxm.getMatchField().equals(MatchField.OFDPA_MPLS_L2_PORT)) { |
| Integer mplsL2Port; |
| /* |
| * Supported but not used for now. |
| */ |
| if (oxm.isMasked()) { |
| throw new UnsupportedOperationException( |
| "Unexpected OXM: " + oxm.toString()); |
| } else { |
| OFOxmOfdpaMplsL2Port mplsl2port = ((OFOxmOfdpaMplsL2Port) oxm); |
| mplsL2Port = mplsl2port.getValue().getRaw(); |
| /* |
| * 0x0000XXXX UNI Interface. |
| * 0x0002XXXX NNI Interface |
| */ |
| if ((mplsL2Port >= 0 && mplsL2Port <= 0x0000FFFF) || |
| (mplsL2Port >= 0x00020000 && mplsL2Port <= 0x0002FFFF)) { |
| return new Ofdpa3MatchMplsL2Port(mplsL2Port); |
| } |
| throw new UnsupportedOperationException( |
| "Unexpected OXM: " + oxm.toString()); |
| } |
| } |
| throw new UnsupportedOperationException( |
| "Unexpected OXM: " + oxm.toString()); |
| } |
| |
| @Override |
| public ExtensionSelector getExtensionSelector(ExtensionSelectorType type) { |
| if (type.equals(ExtensionSelectorTypes.OFDPA_MATCH_OVID.type())) { |
| return new Ofdpa3MatchOvid(); |
| } else if (type.equals(ExtensionSelectorTypes.OFDPA_MATCH_MPLS_L2_PORT.type())) { |
| return new Ofdpa3MatchMplsL2Port(); |
| } |
| throw new UnsupportedOperationException( |
| "Driver does not support extension type " + type.toString()); |
| } |
| } |