Pier Ventre | 6f63005 | 2016-10-18 09:58:41 -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 | |
| 19 | import org.onlab.packet.VlanId; |
| 20 | import org.onosproject.net.behaviour.ExtensionSelectorResolver; |
| 21 | import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| 22 | import org.onosproject.net.flow.criteria.ExtensionSelector; |
| 23 | import org.onosproject.net.flow.criteria.ExtensionSelectorType; |
| 24 | import org.onosproject.net.flow.criteria.ExtensionSelectorType.ExtensionSelectorTypes; |
| 25 | import org.onosproject.openflow.controller.ExtensionSelectorInterpreter; |
| 26 | import org.projectfloodlight.openflow.protocol.OFFactory; |
| 27 | import org.projectfloodlight.openflow.protocol.match.MatchField; |
| 28 | import org.projectfloodlight.openflow.protocol.oxm.OFOxm; |
Pier Ventre | 9cf536b | 2016-10-21 13:30:18 -0700 | [diff] [blame] | 29 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmOfdpaMplsL2Port; |
Pier Ventre | 6f63005 | 2016-10-18 09:58:41 -0700 | [diff] [blame] | 30 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmOfdpaOvid; |
| 31 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmVlanVid; |
| 32 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmVlanVidMasked; |
| 33 | import org.projectfloodlight.openflow.types.OFVlanVidMatch; |
| 34 | import org.projectfloodlight.openflow.types.U16; |
Pier Ventre | 9cf536b | 2016-10-21 13:30:18 -0700 | [diff] [blame] | 35 | import org.projectfloodlight.openflow.types.U32; |
Pier Ventre | 6f63005 | 2016-10-18 09:58:41 -0700 | [diff] [blame] | 36 | import org.projectfloodlight.openflow.types.VlanVid; |
| 37 | import org.slf4j.Logger; |
| 38 | import org.slf4j.LoggerFactory; |
| 39 | |
| 40 | /** |
| 41 | * Interpreter for OFDPA3 OpenFlow selector extensions. |
| 42 | */ |
| 43 | public class Ofdpa3ExtensionSelectorInterpreter extends AbstractHandlerBehaviour |
| 44 | implements ExtensionSelectorInterpreter, ExtensionSelectorResolver { |
| 45 | |
| 46 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 47 | |
| 48 | @Override |
| 49 | public boolean supported(ExtensionSelectorType extensionSelectorType) { |
| 50 | if (extensionSelectorType.equals(ExtensionSelectorTypes.OFDPA_MATCH_VLAN_VID.type())) { |
| 51 | return true; |
| 52 | } else if (extensionSelectorType.equals(ExtensionSelectorTypes.OFDPA_MATCH_OVID.type())) { |
| 53 | return true; |
Pier Ventre | 9cf536b | 2016-10-21 13:30:18 -0700 | [diff] [blame] | 54 | } else if (extensionSelectorType.equals(ExtensionSelectorTypes.OFDPA_MATCH_MPLS_L2_PORT.type())) { |
| 55 | return true; |
Pier Ventre | 6f63005 | 2016-10-18 09:58:41 -0700 | [diff] [blame] | 56 | } |
| 57 | return false; |
| 58 | } |
| 59 | |
| 60 | @Override |
| 61 | public OFOxm<?> mapSelector(OFFactory factory, ExtensionSelector extensionSelector) { |
| 62 | ExtensionSelectorType type = extensionSelector.type(); |
| 63 | if (type.equals(ExtensionSelectorType.ExtensionSelectorTypes.OFDPA_MATCH_VLAN_VID.type())) { |
| 64 | VlanId vlanId = ((OfdpaMatchVlanVid) extensionSelector).vlanId(); |
| 65 | // Special VLAN 0x0000/0x1FFF required by OFDPA |
| 66 | if (vlanId.equals(VlanId.NONE)) { |
| 67 | OFVlanVidMatch vid = OFVlanVidMatch.ofRawVid((short) 0x0000); |
| 68 | OFVlanVidMatch mask = OFVlanVidMatch.ofRawVid((short) 0x1FFF); |
| 69 | return factory.oxms().vlanVidMasked(vid, mask); |
| 70 | // Normal case |
| 71 | } else if (vlanId.equals(VlanId.ANY)) { |
| 72 | return factory.oxms().vlanVidMasked(OFVlanVidMatch.PRESENT, OFVlanVidMatch.PRESENT); |
| 73 | } else { |
| 74 | return factory.oxms().vlanVid(OFVlanVidMatch.ofVlanVid(VlanVid.ofVlan(vlanId.toShort()))); |
| 75 | } |
| 76 | } else if (type.equals(ExtensionSelectorTypes.OFDPA_MATCH_OVID.type())) { |
| 77 | VlanId vlanId = ((Ofdpa3MatchOvid) extensionSelector).vlanId(); |
| 78 | if (vlanId.equals(VlanId.NONE)) { |
| 79 | throw new UnsupportedOperationException( |
| 80 | "Unexpected ExtensionSelector: " + extensionSelector.toString()); |
| 81 | } else if (vlanId.equals(VlanId.ANY)) { |
| 82 | throw new UnsupportedOperationException( |
| 83 | "Unexpected ExtensionSelector: " + extensionSelector.toString()); |
| 84 | } else { |
| 85 | short mask = (short) 0x1000; |
| 86 | short oVid = (short) (mask | vlanId.toShort()); |
| 87 | return factory.oxms().ofdpaOvid(U16.ofRaw(oVid)); |
| 88 | } |
Pier Ventre | 9cf536b | 2016-10-21 13:30:18 -0700 | [diff] [blame] | 89 | } else if (type.equals(ExtensionSelectorTypes.OFDPA_MATCH_MPLS_L2_PORT.type())) { |
| 90 | int mplsL2Port = ((Ofdpa3MatchMplsL2Port) extensionSelector).mplsL2Port(); |
| 91 | /* |
| 92 | * 0x0000XXXX UNI Interface. |
| 93 | * 0x0002XXXX NNI Interface |
| 94 | */ |
| 95 | if ((mplsL2Port >= 0 && mplsL2Port <= 0x0000FFFF) || |
| 96 | (mplsL2Port >= 0x00020000 && mplsL2Port <= 0x0002FFFF)) { |
| 97 | return factory.oxms().ofdpaMplsL2Port(U32.ofRaw(mplsL2Port)); |
| 98 | } |
| 99 | throw new UnsupportedOperationException( |
| 100 | "Unexpected ExtensionSelector: " + extensionSelector.toString()); |
Pier Ventre | 6f63005 | 2016-10-18 09:58:41 -0700 | [diff] [blame] | 101 | } |
| 102 | throw new UnsupportedOperationException( |
| 103 | "Unexpected ExtensionSelector: " + extensionSelector.toString()); |
| 104 | } |
| 105 | |
| 106 | @Override |
| 107 | public ExtensionSelector mapOxm(OFOxm<?> oxm) { |
| 108 | |
| 109 | if (oxm.getMatchField().equals(MatchField.VLAN_VID)) { |
| 110 | VlanId vlanId; |
| 111 | if (oxm.isMasked()) { |
| 112 | OFVlanVidMatch vid = ((OFOxmVlanVidMasked) oxm).getValue(); |
| 113 | OFVlanVidMatch mask = ((OFOxmVlanVidMasked) oxm).getMask(); |
| 114 | |
| 115 | if (vid.equals(OFVlanVidMatch.ofRawVid((short) 0))) { |
| 116 | vlanId = VlanId.NONE; |
| 117 | } else if (vid.equals(OFVlanVidMatch.PRESENT) && |
| 118 | mask.equals(OFVlanVidMatch.PRESENT)) { |
| 119 | vlanId = VlanId.ANY; |
| 120 | } else { |
| 121 | vlanId = VlanId.vlanId(vid.getVlan()); |
| 122 | } |
| 123 | } else { |
| 124 | OFVlanVidMatch vid = ((OFOxmVlanVid) oxm).getValue(); |
| 125 | |
| 126 | if (!vid.isPresentBitSet()) { |
| 127 | vlanId = VlanId.NONE; |
| 128 | } else { |
| 129 | vlanId = VlanId.vlanId(vid.getVlan()); |
| 130 | } |
| 131 | } |
| 132 | return new OfdpaMatchVlanVid(vlanId); |
| 133 | } else if (oxm.getMatchField().equals(MatchField.OFDPA_OVID)) { |
| 134 | VlanId vlanId; |
| 135 | if (oxm.isMasked()) { |
| 136 | throw new UnsupportedOperationException( |
| 137 | "Unexpected OXM: " + oxm.toString()); |
| 138 | } else { |
| 139 | OFOxmOfdpaOvid ovid = ((OFOxmOfdpaOvid) oxm); |
| 140 | short mask = (short) 0x0FFF; |
| 141 | short oVid = (short) (mask & ovid.getValue().getRaw()); |
| 142 | vlanId = VlanId.vlanId(oVid); |
| 143 | } |
| 144 | return new Ofdpa3MatchOvid(vlanId); |
Pier Ventre | 9cf536b | 2016-10-21 13:30:18 -0700 | [diff] [blame] | 145 | } else if (oxm.getMatchField().equals(MatchField.OFDPA_MPLS_L2_PORT)) { |
| 146 | Integer mplsL2Port; |
| 147 | /* |
| 148 | * Supported but not used for now. |
| 149 | */ |
| 150 | if (oxm.isMasked()) { |
| 151 | throw new UnsupportedOperationException( |
| 152 | "Unexpected OXM: " + oxm.toString()); |
| 153 | } else { |
| 154 | OFOxmOfdpaMplsL2Port mplsl2port = ((OFOxmOfdpaMplsL2Port) oxm); |
| 155 | mplsL2Port = mplsl2port.getValue().getRaw(); |
| 156 | /* |
| 157 | * 0x0000XXXX UNI Interface. |
| 158 | * 0x0002XXXX NNI Interface |
| 159 | */ |
| 160 | if ((mplsL2Port >= 0 && mplsL2Port <= 0x0000FFFF) || |
| 161 | (mplsL2Port >= 0x00020000 && mplsL2Port <= 0x0002FFFF)) { |
| 162 | return new Ofdpa3MatchMplsL2Port(mplsL2Port); |
| 163 | } |
| 164 | throw new UnsupportedOperationException( |
| 165 | "Unexpected OXM: " + oxm.toString()); |
| 166 | } |
Pier Ventre | 6f63005 | 2016-10-18 09:58:41 -0700 | [diff] [blame] | 167 | } |
| 168 | throw new UnsupportedOperationException( |
| 169 | "Unexpected OXM: " + oxm.toString()); |
| 170 | } |
| 171 | |
| 172 | @Override |
| 173 | public ExtensionSelector getExtensionSelector(ExtensionSelectorType type) { |
| 174 | if (type.equals(ExtensionSelectorType.ExtensionSelectorTypes.OFDPA_MATCH_VLAN_VID.type())) { |
| 175 | return new OfdpaMatchVlanVid(); |
| 176 | } else if (type.equals(ExtensionSelectorTypes.OFDPA_MATCH_OVID.type())) { |
| 177 | return new Ofdpa3MatchOvid(); |
Pier Ventre | 9cf536b | 2016-10-21 13:30:18 -0700 | [diff] [blame] | 178 | } else if (type.equals(ExtensionSelectorTypes.OFDPA_MATCH_MPLS_L2_PORT.type())) { |
| 179 | return new Ofdpa3MatchMplsL2Port(); |
Pier Ventre | 6f63005 | 2016-10-18 09:58:41 -0700 | [diff] [blame] | 180 | } |
| 181 | throw new UnsupportedOperationException( |
| 182 | "Driver does not support extension type " + type.toString()); |
| 183 | } |
| 184 | } |