Gamze Abaka | 1b7816e | 2019-11-25 06:38:41 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2016-present Open Networking Foundation |
| 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 | package org.opencord.olt.impl; |
| 17 | |
| 18 | import com.google.common.collect.Sets; |
| 19 | import org.apache.felix.scr.annotations.Activate; |
| 20 | import org.apache.felix.scr.annotations.Component; |
| 21 | import org.apache.felix.scr.annotations.Deactivate; |
| 22 | import org.apache.felix.scr.annotations.Modified; |
| 23 | import org.apache.felix.scr.annotations.Property; |
| 24 | import org.apache.felix.scr.annotations.Reference; |
| 25 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 26 | import org.apache.felix.scr.annotations.Service; |
| 27 | import org.onlab.packet.EthType; |
| 28 | import org.onlab.packet.IPv4; |
| 29 | import org.onlab.packet.IPv6; |
| 30 | import org.onlab.packet.MacAddress; |
| 31 | import org.onlab.packet.TpPort; |
| 32 | import org.onlab.packet.VlanId; |
| 33 | import org.onlab.util.Tools; |
| 34 | import org.onosproject.cfg.ComponentConfigService; |
| 35 | import org.onosproject.core.ApplicationId; |
| 36 | import org.onosproject.core.CoreService; |
| 37 | import org.onosproject.mastership.MastershipService; |
| 38 | import org.onosproject.net.AnnotationKeys; |
| 39 | import org.onosproject.net.DeviceId; |
| 40 | import org.onosproject.net.Port; |
| 41 | import org.onosproject.net.PortNumber; |
| 42 | import org.onosproject.net.device.DeviceService; |
| 43 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 44 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 45 | import org.onosproject.net.flow.TrafficSelector; |
| 46 | import org.onosproject.net.flow.TrafficTreatment; |
| 47 | import org.onosproject.net.flow.criteria.Criteria; |
| 48 | import org.onosproject.net.flowobjective.DefaultFilteringObjective; |
| 49 | import org.onosproject.net.flowobjective.DefaultForwardingObjective; |
| 50 | import org.onosproject.net.flowobjective.FilteringObjective; |
| 51 | import org.onosproject.net.flowobjective.FlowObjectiveService; |
| 52 | import org.onosproject.net.flowobjective.ForwardingObjective; |
| 53 | import org.onosproject.net.flowobjective.Objective; |
| 54 | import org.onosproject.net.flowobjective.ObjectiveContext; |
| 55 | import org.onosproject.net.flowobjective.ObjectiveError; |
| 56 | import org.onosproject.net.meter.MeterId; |
| 57 | import org.opencord.olt.internalapi.AccessDeviceFlowService; |
| 58 | import org.opencord.olt.internalapi.AccessDeviceMeterService; |
| 59 | import org.opencord.sadis.BandwidthProfileInformation; |
| 60 | import org.opencord.sadis.BaseInformationService; |
| 61 | import org.opencord.sadis.SadisService; |
| 62 | import org.opencord.sadis.SubscriberAndDeviceInformation; |
| 63 | import org.opencord.sadis.UniTagInformation; |
| 64 | import org.osgi.service.component.ComponentContext; |
| 65 | import org.slf4j.Logger; |
| 66 | |
| 67 | import java.util.Dictionary; |
| 68 | import java.util.Properties; |
| 69 | import java.util.Set; |
| 70 | import java.util.concurrent.CompletableFuture; |
| 71 | |
| 72 | import static com.google.common.base.Strings.isNullOrEmpty; |
| 73 | import static org.onlab.util.Tools.get; |
| 74 | import static org.slf4j.LoggerFactory.getLogger; |
| 75 | |
| 76 | @Service |
| 77 | @Component(immediate = true) |
| 78 | public class OltFlowService implements AccessDeviceFlowService { |
| 79 | |
| 80 | private static final String APP_NAME = "org.opencord.olt"; |
| 81 | private static final int NONE_TP_ID = -1; |
| 82 | private static final int NO_PCP = -1; |
| 83 | private static final Integer MAX_PRIORITY = 10000; |
| 84 | private static final Integer MIN_PRIORITY = 1000; |
| 85 | private static final int DEFAULT_TP_ID = 64; |
| 86 | private static final String INSTALLED = "installed"; |
| 87 | private static final String REMOVED = "removed"; |
| 88 | private static final String INSTALLATION = "installation"; |
| 89 | private static final String REMOVAL = "removal"; |
| 90 | private static final String V4 = "V4"; |
| 91 | private static final String V6 = "V6"; |
| 92 | private static final String NO_MAC = "A4:23:05:00:00:00"; |
| 93 | |
| 94 | private final Logger log = getLogger(getClass()); |
| 95 | |
| 96 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 97 | protected FlowObjectiveService flowObjectiveService; |
| 98 | |
| 99 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 100 | protected CoreService coreService; |
| 101 | |
| 102 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 103 | protected MastershipService mastershipService; |
| 104 | |
| 105 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 106 | protected SadisService sadisService; |
| 107 | |
| 108 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 109 | protected DeviceService deviceService; |
| 110 | |
| 111 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 112 | protected AccessDeviceMeterService oltMeterService; |
| 113 | |
| 114 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 115 | protected ComponentConfigService componentConfigService; |
| 116 | |
| 117 | @Property(name = "enableIgmpOnProvisioning", boolValue = false, |
| 118 | label = "Create IGMP Flow rules when an NNI port is up") |
| 119 | protected boolean enableIgmpOnProvisioning = false; |
| 120 | |
| 121 | @Property(name = "enableDhcpOnProvisioning", boolValue = true, |
| 122 | label = "Create the DHCP Flow rules when an NNI port is up") |
| 123 | protected boolean enableDhcpOnProvisioning = false; |
| 124 | |
| 125 | @Property(name = "enableDhcpV4", boolValue = true, |
| 126 | label = "Enable flows for DHCP v4") |
| 127 | protected boolean enableDhcpV4 = true; |
| 128 | |
| 129 | @Property(name = "enableDhcpV6", boolValue = false, |
| 130 | label = "Enable flows for DHCP v6") |
| 131 | protected boolean enableDhcpV6 = false; |
| 132 | |
| 133 | @Property(name = "enableEapol", boolValue = false, |
| 134 | label = "Send EAPOL authentication trap flows before subscriber provisioning") |
| 135 | protected boolean enableEapol = false; |
| 136 | |
| 137 | @Property(name = "defaultTechProfileId", intValue = DEFAULT_TP_ID, |
| 138 | label = "Default technology profile id that is used for authentication trap flows") |
| 139 | protected int defaultTechProfileId = DEFAULT_TP_ID; |
| 140 | |
| 141 | protected ApplicationId appId; |
| 142 | protected BaseInformationService<BandwidthProfileInformation> bpService; |
| 143 | protected BaseInformationService<SubscriberAndDeviceInformation> subsService; |
| 144 | private Set<PortNumber> pendingAddEapol = Sets.newConcurrentHashSet(); |
| 145 | |
| 146 | @Activate |
| 147 | public void activate(ComponentContext context) { |
| 148 | bpService = sadisService.getBandwidthProfileService(); |
| 149 | subsService = sadisService.getSubscriberInfoService(); |
| 150 | componentConfigService.registerProperties(getClass()); |
| 151 | appId = coreService.getAppId(APP_NAME); |
| 152 | log.info("Olt Flow Service started"); |
| 153 | } |
| 154 | |
| 155 | |
| 156 | @Deactivate |
| 157 | public void deactivate(ComponentContext context) { |
| 158 | componentConfigService.unregisterProperties(getClass(), false); |
| 159 | log.info("Olt flow service stopped"); |
| 160 | } |
| 161 | |
| 162 | @Modified |
| 163 | public void modified(ComponentContext context) { |
| 164 | |
| 165 | Dictionary<?, ?> properties = context != null ? context.getProperties() : new Properties(); |
| 166 | |
| 167 | Boolean o = Tools.isPropertyEnabled(properties, "enableDhcpOnProvisioning"); |
| 168 | if (o != null) { |
| 169 | enableDhcpOnProvisioning = o; |
| 170 | } |
| 171 | |
| 172 | Boolean v4 = Tools.isPropertyEnabled(properties, "enableDhcpV4"); |
| 173 | if (v4 != null) { |
| 174 | enableDhcpV4 = v4; |
| 175 | } |
| 176 | |
| 177 | Boolean v6 = Tools.isPropertyEnabled(properties, "enableDhcpV6"); |
| 178 | if (v6 != null) { |
| 179 | enableDhcpV6 = v6; |
| 180 | } |
| 181 | |
| 182 | Boolean p = Tools.isPropertyEnabled(properties, "enableIgmpOnProvisioning"); |
| 183 | if (p != null) { |
| 184 | enableIgmpOnProvisioning = p; |
| 185 | } |
| 186 | |
| 187 | Boolean eap = Tools.isPropertyEnabled(properties, "enableEapol"); |
| 188 | if (eap != null) { |
| 189 | enableEapol = eap; |
| 190 | } |
| 191 | |
| 192 | String tpId = get(properties, "defaultTechProfileId"); |
| 193 | defaultTechProfileId = isNullOrEmpty(tpId) ? DEFAULT_TP_ID : Integer.parseInt(tpId.trim()); |
| 194 | |
| 195 | } |
| 196 | |
| 197 | @Override |
| 198 | public void processDhcpFilteringObjectives(DeviceId devId, PortNumber port, |
| 199 | MeterId upstreamMeterId, |
| 200 | UniTagInformation tagInformation, |
| 201 | boolean install, |
| 202 | boolean upstream) { |
| 203 | if (!enableDhcpOnProvisioning && !upstream) { |
| 204 | log.debug("Dhcp provisioning is disabled."); |
| 205 | return; |
| 206 | } |
| 207 | |
| 208 | if (!mastershipService.isLocalMaster(devId)) { |
| 209 | return; |
| 210 | } |
| 211 | |
| 212 | int techProfileId = tagInformation != null ? tagInformation.getTechnologyProfileId() : NONE_TP_ID; |
| 213 | VlanId cTag = tagInformation != null ? tagInformation.getPonCTag() : VlanId.NONE; |
| 214 | VlanId unitagMatch = tagInformation != null ? tagInformation.getUniTagMatch() : VlanId.ANY; |
| 215 | |
| 216 | if (enableDhcpV4) { |
| 217 | int udpSrc = (upstream) ? 68 : 67; |
| 218 | int udpDst = (upstream) ? 67 : 68; |
| 219 | |
| 220 | EthType ethType = EthType.EtherType.IPV4.ethType(); |
| 221 | byte protocol = IPv4.PROTOCOL_UDP; |
| 222 | |
| 223 | this.addDhcpFilteringObjectives(devId, port, udpSrc, udpDst, ethType, |
| 224 | upstreamMeterId, techProfileId, protocol, cTag, unitagMatch, install); |
| 225 | } |
| 226 | |
| 227 | if (enableDhcpV6) { |
| 228 | int udpSrc = (upstream) ? 547 : 546; |
| 229 | int udpDst = (upstream) ? 546 : 547; |
| 230 | |
| 231 | EthType ethType = EthType.EtherType.IPV6.ethType(); |
| 232 | byte protocol = IPv6.PROTOCOL_UDP; |
| 233 | |
| 234 | this.addDhcpFilteringObjectives(devId, port, udpSrc, udpDst, ethType, |
| 235 | upstreamMeterId, techProfileId, protocol, cTag, unitagMatch, install); |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | private void addDhcpFilteringObjectives(DeviceId devId, PortNumber port, int udpSrc, int udpDst, |
| 240 | EthType ethType, MeterId upstreamMeterId, int techProfileId, byte protocol, |
| 241 | VlanId cTag, VlanId unitagMatch, boolean install) { |
| 242 | |
| 243 | DefaultFilteringObjective.Builder builder = DefaultFilteringObjective.builder(); |
| 244 | TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder(); |
| 245 | |
| 246 | if (upstreamMeterId != null) { |
| 247 | treatmentBuilder.meter(upstreamMeterId); |
| 248 | } |
| 249 | |
| 250 | if (techProfileId != NONE_TP_ID) { |
| 251 | treatmentBuilder.writeMetadata(createTechProfValueForWm(unitagMatch, techProfileId), 0); |
| 252 | } |
| 253 | |
| 254 | FilteringObjective.Builder dhcpUpstreamBuilder = (install ? builder.permit() : builder.deny()) |
| 255 | .withKey(Criteria.matchInPort(port)) |
| 256 | .addCondition(Criteria.matchEthType(ethType)) |
| 257 | .addCondition(Criteria.matchIPProtocol(protocol)) |
| 258 | .addCondition(Criteria.matchUdpSrc(TpPort.tpPort(udpSrc))) |
| 259 | .addCondition(Criteria.matchUdpDst(TpPort.tpPort(udpDst))) |
| 260 | .withMeta(treatmentBuilder |
| 261 | .setOutput(PortNumber.CONTROLLER).build()) |
| 262 | .fromApp(appId) |
| 263 | .withPriority(MAX_PRIORITY); |
| 264 | |
| 265 | if (!VlanId.NONE.equals(cTag)) { |
| 266 | dhcpUpstreamBuilder.addCondition(Criteria.matchVlanId(cTag)); |
| 267 | } |
| 268 | |
| 269 | FilteringObjective dhcpUpstream = dhcpUpstreamBuilder.add(new ObjectiveContext() { |
| 270 | @Override |
| 271 | public void onSuccess(Objective objective) { |
| 272 | log.info("DHCP {} filter for device {} on port {} {}.", |
| 273 | (ethType.equals(EthType.EtherType.IPV4.ethType())) ? V4 : V6, |
| 274 | devId, port, (install) ? INSTALLED : REMOVED); |
| 275 | } |
| 276 | |
| 277 | @Override |
| 278 | public void onError(Objective objective, ObjectiveError error) { |
| 279 | log.info("DHCP {} filter for device {} on port {} failed {} because {}", |
| 280 | (ethType.equals(EthType.EtherType.IPV4.ethType())) ? V4 : V6, |
| 281 | devId, port, (install) ? INSTALLATION : REMOVAL, |
| 282 | error); |
| 283 | } |
| 284 | }); |
| 285 | |
| 286 | flowObjectiveService.filter(devId, dhcpUpstream); |
| 287 | |
| 288 | } |
| 289 | |
| 290 | @Override |
| 291 | public void processIgmpFilteringObjectives(DeviceId devId, PortNumber port, |
| 292 | MeterId upstreamMeterId, |
| 293 | UniTagInformation tagInformation, |
| 294 | boolean install, |
| 295 | boolean upstream) { |
| 296 | if (!enableIgmpOnProvisioning && !upstream) { |
| 297 | log.debug("Igmp provisioning is disabled."); |
| 298 | return; |
| 299 | } |
| 300 | |
| 301 | if (!mastershipService.isLocalMaster(devId)) { |
| 302 | return; |
| 303 | } |
| 304 | |
| 305 | DefaultFilteringObjective.Builder builder = DefaultFilteringObjective.builder(); |
| 306 | TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder(); |
| 307 | if (upstream) { |
| 308 | |
| 309 | if (tagInformation.getTechnologyProfileId() != NONE_TP_ID) { |
| 310 | treatmentBuilder.writeMetadata(createTechProfValueForWm(null, |
| 311 | tagInformation.getTechnologyProfileId()), 0); |
| 312 | } |
| 313 | |
| 314 | |
| 315 | if (upstreamMeterId != null) { |
| 316 | treatmentBuilder.meter(upstreamMeterId); |
| 317 | } |
| 318 | |
| 319 | if (!VlanId.NONE.equals(tagInformation.getPonCTag())) { |
| 320 | builder.addCondition(Criteria.matchVlanId(tagInformation.getPonCTag())); |
| 321 | } |
| 322 | |
| 323 | if (tagInformation.getUsPonCTagPriority() != NO_PCP) { |
| 324 | builder.addCondition(Criteria.matchVlanPcp((byte) tagInformation.getUsPonCTagPriority())); |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | builder = install ? builder.permit() : builder.deny(); |
| 329 | |
| 330 | FilteringObjective igmp = builder |
| 331 | .withKey(Criteria.matchInPort(port)) |
| 332 | .addCondition(Criteria.matchEthType(EthType.EtherType.IPV4.ethType())) |
| 333 | .addCondition(Criteria.matchIPProtocol(IPv4.PROTOCOL_IGMP)) |
| 334 | .withMeta(treatmentBuilder |
| 335 | .setOutput(PortNumber.CONTROLLER).build()) |
| 336 | .fromApp(appId) |
| 337 | .withPriority(MAX_PRIORITY) |
| 338 | .add(new ObjectiveContext() { |
| 339 | @Override |
| 340 | public void onSuccess(Objective objective) { |
| 341 | log.info("Igmp filter for {} on {} {}.", |
| 342 | devId, port, (install) ? INSTALLED : REMOVED); |
| 343 | } |
| 344 | |
| 345 | @Override |
| 346 | public void onError(Objective objective, ObjectiveError error) { |
| 347 | log.info("Igmp filter for {} on {} failed {} because {}.", |
| 348 | devId, port, (install) ? INSTALLATION : REMOVAL, |
| 349 | error); |
| 350 | } |
| 351 | }); |
| 352 | |
| 353 | flowObjectiveService.filter(devId, igmp); |
| 354 | } |
| 355 | |
| 356 | @Override |
| 357 | public void processEapolFilteringObjectives(DeviceId devId, PortNumber portNumber, String bpId, |
| 358 | CompletableFuture<ObjectiveError> filterFuture, |
| 359 | VlanId vlanId, boolean install) { |
| 360 | |
| 361 | if (!enableEapol) { |
| 362 | log.debug("Eapol filtering is disabled. Completing filteringFuture immediately for the device {}", devId); |
| 363 | if (filterFuture != null) { |
| 364 | filterFuture.complete(null); |
| 365 | } |
| 366 | return; |
| 367 | } |
| 368 | |
| 369 | if (!mastershipService.isLocalMaster(devId)) { |
| 370 | log.warn("The master of the device {} is another instance", devId); |
| 371 | if (filterFuture != null) { |
| 372 | filterFuture.complete(ObjectiveError.DEVICEMISSING); |
| 373 | } |
| 374 | return; |
| 375 | } |
| 376 | |
| 377 | BandwidthProfileInformation bpInfo = getBandwidthProfileInformation(bpId); |
| 378 | if (bpInfo == null) { |
| 379 | log.warn("Bandwidth profile {} is not found. Authentication flow" |
| 380 | + " will not be installed", bpId); |
| 381 | if (filterFuture != null) { |
| 382 | filterFuture.complete(ObjectiveError.BADPARAMS); |
| 383 | } |
| 384 | return; |
| 385 | } |
| 386 | |
| 387 | if (install) { |
| 388 | boolean added = pendingAddEapol.add(portNumber); |
| 389 | if (!added) { |
| 390 | if (filterFuture != null) { |
| 391 | log.warn("The eapol flow is processing for the port {}. Ignoring this request", portNumber); |
| 392 | filterFuture.complete(null); |
| 393 | } |
| 394 | return; |
| 395 | } |
| 396 | log.info("portNumber added to pendingAddEapol map {}", portNumber); |
| 397 | } |
| 398 | |
| 399 | DefaultFilteringObjective.Builder builder = DefaultFilteringObjective.builder(); |
| 400 | TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder(); |
| 401 | CompletableFuture<Object> meterFuture = new CompletableFuture<>(); |
| 402 | |
| 403 | // check if meter exists and create it only for an install |
| 404 | MeterId meterId = oltMeterService.getMeterIdFromBpMapping(devId, bpInfo.id()); |
| 405 | if (meterId == null) { |
| 406 | if (install) { |
| 407 | meterId = oltMeterService.createMeter(devId, bpInfo, meterFuture); |
| 408 | treatmentBuilder.meter(meterId); |
| 409 | } else { |
| 410 | // this case should not happen as the request to remove an eapol |
| 411 | // flow should mean that the flow points to a meter that exists. |
| 412 | // Nevertheless we can still delete the flow as we only need the |
| 413 | // correct 'match' to do so. |
| 414 | log.warn("Unknown meter id for bp {}, still proceeding with " |
| 415 | + "delete of eapol flow for {}/{}", bpInfo.id(), devId, portNumber); |
| 416 | meterFuture.complete(null); |
| 417 | } |
| 418 | } else { |
| 419 | log.debug("Meter {} was previously created for bp {}", meterId, bpInfo.id()); |
| 420 | treatmentBuilder.meter(meterId); |
| 421 | meterFuture.complete(null); |
| 422 | } |
| 423 | |
| 424 | final MeterId mId = meterId; |
| 425 | meterFuture.thenAcceptAsync(result -> { |
| 426 | if (result == null) { |
| 427 | log.info("Meter {} for {} on {}/{} exists. {} EAPOL trap flow", |
| 428 | mId, bpId, devId, portNumber, |
| 429 | (install) ? "Installing" : "Removing"); |
| 430 | int techProfileId = getDefaultTechProfileId(devId, portNumber); |
| 431 | |
| 432 | //Authentication trap flow uses only tech profile id as write metadata value |
| 433 | FilteringObjective eapol = (install ? builder.permit() : builder.deny()) |
| 434 | .withKey(Criteria.matchInPort(portNumber)) |
| 435 | .addCondition(Criteria.matchEthType(EthType.EtherType.EAPOL.ethType())) |
| 436 | .addCondition(Criteria.matchVlanId(vlanId)) |
| 437 | .withMeta(treatmentBuilder |
| 438 | .writeMetadata(createTechProfValueForWm(vlanId, techProfileId), 0) |
| 439 | .setOutput(PortNumber.CONTROLLER).build()) |
| 440 | .fromApp(appId) |
| 441 | .withPriority(MAX_PRIORITY) |
| 442 | .add(new ObjectiveContext() { |
| 443 | @Override |
| 444 | public void onSuccess(Objective objective) { |
| 445 | log.info("Eapol filter for {} on {} {} with meter {}.", |
| 446 | devId, portNumber, (install) ? INSTALLED : REMOVED, mId); |
| 447 | if (filterFuture != null) { |
| 448 | filterFuture.complete(null); |
| 449 | } |
| 450 | pendingAddEapol.remove(portNumber); |
| 451 | } |
| 452 | |
| 453 | @Override |
| 454 | public void onError(Objective objective, ObjectiveError error) { |
| 455 | log.info("Eapol filter for {} on {} with meter {} failed {} because {}", |
| 456 | devId, portNumber, mId, (install) ? INSTALLATION : REMOVAL, |
| 457 | error); |
| 458 | if (filterFuture != null) { |
| 459 | filterFuture.complete(error); |
| 460 | } |
| 461 | pendingAddEapol.remove(portNumber); |
| 462 | } |
| 463 | }); |
| 464 | |
| 465 | flowObjectiveService.filter(devId, eapol); |
| 466 | } else { |
| 467 | log.warn("Meter installation error while sending eapol trap flow. " + |
| 468 | "Result {} and MeterId {}", result, mId); |
| 469 | } |
| 470 | }); |
| 471 | } |
| 472 | |
| 473 | /** |
| 474 | * Installs trap filtering objectives for particular traffic types on an |
| 475 | * NNI port. |
| 476 | * |
| 477 | * @param devId device ID |
| 478 | * @param port port number |
| 479 | * @param install true to install, false to remove |
| 480 | */ |
| 481 | @Override |
| 482 | public void processNniFilteringObjectives(DeviceId devId, PortNumber port, boolean install) { |
| 483 | log.info("Sending flows for NNI port {} of the device {}", port, devId); |
| 484 | processLldpFilteringObjective(devId, port, install); |
| 485 | processDhcpFilteringObjectives(devId, port, null, null, install, false); |
| 486 | processIgmpFilteringObjectives(devId, port, null, null, install, false); |
| 487 | } |
| 488 | |
| 489 | |
| 490 | @Override |
| 491 | public void processLldpFilteringObjective(DeviceId devId, PortNumber port, boolean install) { |
| 492 | if (!mastershipService.isLocalMaster(devId)) { |
| 493 | return; |
| 494 | } |
| 495 | DefaultFilteringObjective.Builder builder = DefaultFilteringObjective.builder(); |
| 496 | |
| 497 | FilteringObjective lldp = (install ? builder.permit() : builder.deny()) |
| 498 | .withKey(Criteria.matchInPort(port)) |
| 499 | .addCondition(Criteria.matchEthType(EthType.EtherType.LLDP.ethType())) |
| 500 | .withMeta(DefaultTrafficTreatment.builder() |
| 501 | .setOutput(PortNumber.CONTROLLER).build()) |
| 502 | .fromApp(appId) |
| 503 | .withPriority(MAX_PRIORITY) |
| 504 | .add(new ObjectiveContext() { |
| 505 | @Override |
| 506 | public void onSuccess(Objective objective) { |
| 507 | log.info("LLDP filter for device {} on port {} {}.", |
| 508 | devId, port, (install) ? INSTALLED : REMOVED); |
| 509 | } |
| 510 | |
| 511 | @Override |
| 512 | public void onError(Objective objective, ObjectiveError error) { |
| 513 | log.info("LLDP filter for device {} on port {} failed {} because {}", |
| 514 | devId, port, (install) ? INSTALLATION : REMOVAL, |
| 515 | error); |
| 516 | } |
| 517 | }); |
| 518 | |
| 519 | flowObjectiveService.filter(devId, lldp); |
| 520 | } |
| 521 | |
| 522 | @Override |
| 523 | public ForwardingObjective.Builder createTransparentBuilder(PortNumber uplinkPort, |
| 524 | PortNumber subscriberPort, |
| 525 | MeterId meterId, |
| 526 | UniTagInformation tagInfo, |
| 527 | boolean upstream) { |
| 528 | |
| 529 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 530 | .matchVlanId(tagInfo.getPonSTag()) |
| 531 | .matchInPort(upstream ? subscriberPort : uplinkPort) |
| 532 | .matchInnerVlanId(tagInfo.getPonCTag()) |
| 533 | .build(); |
| 534 | |
| 535 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 536 | if (meterId != null) { |
| 537 | tBuilder.meter(meterId); |
| 538 | } |
| 539 | |
| 540 | TrafficTreatment treatment = tBuilder |
| 541 | .setOutput(upstream ? uplinkPort : subscriberPort) |
| 542 | .writeMetadata(createMetadata(upstream ? tagInfo.getPonSTag() : tagInfo.getPonCTag(), |
| 543 | tagInfo.getTechnologyProfileId(), upstream ? uplinkPort : subscriberPort), 0) |
| 544 | .build(); |
| 545 | |
| 546 | return createForwardingObjectiveBuilder(selector, treatment, MIN_PRIORITY); |
| 547 | } |
| 548 | |
| 549 | @Override |
| 550 | public ForwardingObjective.Builder createUpBuilder(PortNumber uplinkPort, |
| 551 | PortNumber subscriberPort, |
| 552 | MeterId upstreamMeterId, |
| 553 | UniTagInformation uniTagInformation) { |
| 554 | |
| 555 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 556 | .matchInPort(subscriberPort) |
| 557 | .matchVlanId(uniTagInformation.getUniTagMatch()) |
| 558 | .build(); |
| 559 | |
| 560 | TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder() |
| 561 | .pushVlan() |
| 562 | .setVlanId(uniTagInformation.getPonCTag()); |
| 563 | |
| 564 | if (uniTagInformation.getUsPonCTagPriority() != NO_PCP) { |
| 565 | treatmentBuilder.setVlanPcp((byte) uniTagInformation.getUsPonCTagPriority()); |
| 566 | } |
| 567 | |
| 568 | treatmentBuilder.pushVlan() |
| 569 | .setVlanId(uniTagInformation.getPonSTag()); |
| 570 | |
| 571 | if (uniTagInformation.getUsPonSTagPriority() != NO_PCP) { |
| 572 | treatmentBuilder.setVlanPcp((byte) uniTagInformation.getUsPonSTagPriority()); |
| 573 | } |
| 574 | |
| 575 | treatmentBuilder.setOutput(uplinkPort) |
| 576 | .writeMetadata(createMetadata(uniTagInformation.getPonCTag(), |
| 577 | uniTagInformation.getTechnologyProfileId(), uplinkPort), 0L); |
| 578 | |
| 579 | if (upstreamMeterId != null) { |
| 580 | treatmentBuilder.meter(upstreamMeterId); |
| 581 | } |
| 582 | |
| 583 | return createForwardingObjectiveBuilder(selector, treatmentBuilder.build(), MIN_PRIORITY); |
| 584 | } |
| 585 | |
| 586 | @Override |
| 587 | public ForwardingObjective.Builder createDownBuilder(PortNumber uplinkPort, |
| 588 | PortNumber subscriberPort, |
| 589 | MeterId downstreamMeterId, |
| 590 | UniTagInformation tagInformation) { |
| 591 | TrafficSelector.Builder selectorBuilder = DefaultTrafficSelector.builder() |
| 592 | .matchVlanId(tagInformation.getPonSTag()) |
| 593 | .matchInPort(uplinkPort) |
| 594 | .matchInnerVlanId(tagInformation.getPonCTag()) |
| 595 | .matchMetadata(tagInformation.getPonCTag().toShort()); |
| 596 | |
| 597 | if (tagInformation.getDsPonSTagPriority() != NO_PCP) { |
| 598 | selectorBuilder.matchVlanPcp((byte) tagInformation.getDsPonSTagPriority()); |
| 599 | } |
| 600 | |
| 601 | if (tagInformation.getConfiguredMacAddress() != null && |
| 602 | !NO_MAC.equals(tagInformation.getConfiguredMacAddress())) { |
| 603 | selectorBuilder.matchEthDst(MacAddress.valueOf(tagInformation.getConfiguredMacAddress())); |
| 604 | } |
| 605 | |
| 606 | TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder() |
| 607 | .popVlan() |
| 608 | .setOutput(subscriberPort) |
| 609 | .writeMetadata(createMetadata(tagInformation.getPonCTag(), tagInformation.getTechnologyProfileId(), |
| 610 | subscriberPort), 0); |
| 611 | |
| 612 | // to remark inner vlan header |
| 613 | if (tagInformation.getUsPonCTagPriority() != NO_PCP) { |
| 614 | treatmentBuilder.setVlanPcp((byte) tagInformation.getUsPonCTagPriority()); |
| 615 | } |
| 616 | |
| 617 | if (!VlanId.NONE.equals(tagInformation.getUniTagMatch())) { |
| 618 | treatmentBuilder.setVlanId(tagInformation.getUniTagMatch()); |
| 619 | } |
| 620 | |
| 621 | if (downstreamMeterId != null) { |
| 622 | treatmentBuilder.meter(downstreamMeterId); |
| 623 | } |
| 624 | |
| 625 | return createForwardingObjectiveBuilder(selectorBuilder.build(), treatmentBuilder.build(), MIN_PRIORITY); |
| 626 | } |
| 627 | |
| 628 | private DefaultForwardingObjective.Builder createForwardingObjectiveBuilder(TrafficSelector selector, |
| 629 | TrafficTreatment treatment, |
| 630 | Integer priority) { |
| 631 | return DefaultForwardingObjective.builder() |
| 632 | .withFlag(ForwardingObjective.Flag.VERSATILE) |
| 633 | .withPriority(priority) |
| 634 | .makePermanent() |
| 635 | .withSelector(selector) |
| 636 | .fromApp(appId) |
| 637 | .withTreatment(treatment); |
| 638 | } |
| 639 | |
| 640 | /** |
| 641 | * Returns the write metadata value including tech profile reference and innerVlan. |
| 642 | * For param cVlan, null can be sent |
| 643 | * |
| 644 | * @param cVlan c (customer) tag of one subscriber |
| 645 | * @param techProfileId tech profile id of one subscriber |
| 646 | * @return the write metadata value including tech profile reference and innerVlan |
| 647 | */ |
| 648 | private Long createTechProfValueForWm(VlanId cVlan, int techProfileId) { |
| 649 | if (cVlan == null || VlanId.NONE.equals(cVlan)) { |
| 650 | return (long) techProfileId << 32; |
| 651 | } |
| 652 | return ((long) (cVlan.id()) << 48 | (long) techProfileId << 32); |
| 653 | } |
| 654 | |
| 655 | private BandwidthProfileInformation getBandwidthProfileInformation(String bandwidthProfile) { |
| 656 | if (bandwidthProfile == null) { |
| 657 | return null; |
| 658 | } |
| 659 | return bpService.get(bandwidthProfile); |
| 660 | } |
| 661 | |
| 662 | /** |
| 663 | * It will be used to support AT&T use case (for EAPOL flows). |
| 664 | * If multiple services are found in uniServiceList, returns default tech profile id |
| 665 | * If one service is found, returns the found one |
| 666 | * |
| 667 | * @param devId |
| 668 | * @param portNumber |
| 669 | * @return the default technology profile id |
| 670 | */ |
| 671 | private int getDefaultTechProfileId(DeviceId devId, PortNumber portNumber) { |
| 672 | Port port = deviceService.getPort(devId, portNumber); |
| 673 | if (port != null) { |
| 674 | SubscriberAndDeviceInformation info = subsService.get(port.annotations().value(AnnotationKeys.PORT_NAME)); |
| 675 | if (info != null && info.uniTagList().size() == 1) { |
| 676 | return info.uniTagList().get(0).getTechnologyProfileId(); |
| 677 | } |
| 678 | } |
| 679 | return defaultTechProfileId; |
| 680 | } |
| 681 | |
| 682 | /** |
| 683 | * Write metadata instruction value (metadata) is 8 bytes. |
| 684 | * <p> |
| 685 | * MS 2 bytes: C Tag |
| 686 | * Next 2 bytes: Technology Profile Id |
| 687 | * Next 4 bytes: Port number (uni or nni) |
| 688 | */ |
| 689 | private Long createMetadata(VlanId innerVlan, int techProfileId, PortNumber egressPort) { |
| 690 | if (techProfileId == NONE_TP_ID) { |
| 691 | techProfileId = DEFAULT_TP_ID; |
| 692 | } |
| 693 | |
| 694 | return ((long) (innerVlan.id()) << 48 | (long) techProfileId << 32) | egressPort.toLong(); |
| 695 | } |
| 696 | |
| 697 | |
| 698 | } |