2 * Copyright (c) 2016, 2017 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.netvirt.elan.internal;
10 import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
11 import static org.opendaylight.infrautils.utils.concurrent.LoggingFutures.addErrorLogging;
13 import java.math.BigInteger;
14 import java.time.Duration;
15 import java.util.ArrayList;
16 import java.util.Arrays;
17 import java.util.Collections;
18 import java.util.List;
19 import java.util.concurrent.ExecutionException;
20 import javax.annotation.PostConstruct;
21 import javax.inject.Inject;
22 import javax.inject.Singleton;
23 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
24 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
25 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
26 import org.opendaylight.genius.datastoreutils.listeners.DataTreeEventCallbackRegistrar;
27 import org.opendaylight.genius.infra.Datastore;
28 import org.opendaylight.genius.infra.Datastore.Configuration;
29 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
30 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
31 import org.opendaylight.genius.infra.TypedReadWriteTransaction;
32 import org.opendaylight.genius.infra.TypedWriteTransaction;
33 import org.opendaylight.genius.mdsalutil.ActionInfo;
34 import org.opendaylight.genius.mdsalutil.BucketInfo;
35 import org.opendaylight.genius.mdsalutil.FlowEntity;
36 import org.opendaylight.genius.mdsalutil.GroupEntity;
37 import org.opendaylight.genius.mdsalutil.InstructionInfo;
38 import org.opendaylight.genius.mdsalutil.MDSALUtil;
39 import org.opendaylight.genius.mdsalutil.MatchInfo;
40 import org.opendaylight.genius.mdsalutil.MatchInfoBase;
41 import org.opendaylight.genius.mdsalutil.MetaDataUtil;
42 import org.opendaylight.genius.mdsalutil.NwConstants;
43 import org.opendaylight.genius.mdsalutil.NwConstants.NxmOfFieldType;
44 import org.opendaylight.genius.mdsalutil.actions.ActionDrop;
45 import org.opendaylight.genius.mdsalutil.actions.ActionGroup;
46 import org.opendaylight.genius.mdsalutil.actions.ActionLearn;
47 import org.opendaylight.genius.mdsalutil.actions.ActionLearn.CopyFromValue;
48 import org.opendaylight.genius.mdsalutil.actions.ActionLearn.MatchFromField;
49 import org.opendaylight.genius.mdsalutil.actions.ActionLearn.MatchFromValue;
50 import org.opendaylight.genius.mdsalutil.actions.ActionNxResubmit;
51 import org.opendaylight.genius.mdsalutil.actions.ActionPuntToController;
52 import org.opendaylight.genius.mdsalutil.actions.ActionRegLoad;
53 import org.opendaylight.genius.mdsalutil.instructions.InstructionApplyActions;
54 import org.opendaylight.genius.mdsalutil.instructions.InstructionGotoTable;
55 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
56 import org.opendaylight.genius.mdsalutil.matches.MatchArpOp;
57 import org.opendaylight.genius.mdsalutil.matches.MatchEthernetDestination;
58 import org.opendaylight.genius.mdsalutil.matches.MatchEthernetType;
59 import org.opendaylight.genius.mdsalutil.nxmatches.NxMatchRegister;
60 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
61 import org.opendaylight.infrautils.utils.concurrent.LoggingFutures;
62 import org.opendaylight.netvirt.elan.arp.responder.ArpResponderConstant;
63 import org.opendaylight.netvirt.elan.arp.responder.ArpResponderUtil;
64 import org.opendaylight.netvirt.elan.utils.ElanConstants;
65 import org.opendaylight.netvirt.elan.utils.ElanUtils;
66 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupTypes;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
71 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
72 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
73 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.config.rev150710.ElanConfig;
74 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg4;
75 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
76 import org.slf4j.Logger;
77 import org.slf4j.LoggerFactory;
80 public class ElanNodeListener extends AsyncDataTreeChangeListenerBase<Node, ElanNodeListener> {
82 private static final Logger LOG = LoggerFactory.getLogger(ElanNodeListener.class);
83 private static final int LEARN_MATCH_REG4_VALUE = 1;
84 private static final int ARP_LEARN_FLOW_PRIORITY = 10;
85 private static final int ARP_LEARN_MATCH_VALUE = 0x1;
86 private static final int GARP_LEARN_MATCH_VALUE = 0x101;
87 private static final long ARP_LEARN_MATCH_MASK = 0xFFFFL;
89 private final DataBroker broker;
90 private final ManagedNewTransactionRunner txRunner;
91 private final IMdsalApiManager mdsalManager;
92 private final IdManagerService idManagerService;
93 private final int tempSmacLearnTimeout;
94 private final int arpPuntTimeout;
95 private final boolean puntLldpToController;
96 private final JobCoordinator jobCoordinator;
97 private final DataTreeEventCallbackRegistrar eventCallbacks;
100 public ElanNodeListener(DataBroker dataBroker, IMdsalApiManager mdsalManager, ElanConfig elanConfig,
101 IdManagerService idManagerService, JobCoordinator jobCoordinator,
102 DataTreeEventCallbackRegistrar eventCallbacks) {
103 this.broker = dataBroker;
104 this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
105 this.mdsalManager = mdsalManager;
106 this.tempSmacLearnTimeout = elanConfig.getTempSmacLearnTimeout();
107 this.arpPuntTimeout = elanConfig.getArpPuntTimeout().intValue();
108 this.puntLldpToController = elanConfig.isPuntLldpToController();
109 this.idManagerService = idManagerService;
110 this.jobCoordinator = jobCoordinator;
111 this.eventCallbacks = eventCallbacks;
117 registerListener(LogicalDatastoreType.OPERATIONAL, broker);
121 protected InstanceIdentifier<Node> getWildCardPath() {
122 return InstanceIdentifier.create(Nodes.class).child(Node.class);
126 protected void remove(InstanceIdentifier<Node> identifier, Node del) {
130 protected void update(InstanceIdentifier<Node> identifier, Node original, Node update) {
134 protected void add(InstanceIdentifier<Node> identifier, Node add) {
135 NodeId nodeId = add.getId();
136 String[] node = nodeId.getValue().split(":");
137 if (node.length < 2) {
138 LOG.warn("Unexpected nodeId {}", nodeId.getValue());
141 addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(Datastore.CONFIGURATION, tx -> {
142 BigInteger dpId = new BigInteger(node[1]);
143 createTableMissEntry(tx, dpId);
144 createMulticastFlows(tx, dpId);
145 createArpDefaultFlowsForArpCheckTable(dpId);
146 }), LOG, "Error handling ELAN node addition for {}", add);
149 private void createArpDefaultFlowsForArpCheckTable(BigInteger dpId) {
151 jobCoordinator.enqueueJob("ARP_CHECK_TABLE-" + dpId.toString(),
152 () -> Collections.singletonList(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, tx -> {
154 LOG.debug("Received notification to install Arp Check Default entries for dpn {} ", dpId);
155 createArpRequestMatchFlows(dpId, tx);
156 createArpResponseMatchFlows(dpId, tx);
157 createArpPuntAndLearnFlow(dpId, tx);
158 addGarpLearnMatchFlow(dpId, tx);
159 addArpLearnMatchFlow(dpId, tx);
160 } catch (InterruptedException | ExecutionException e) {
161 LOG.error("Error programming ARP rules for dpn {}", dpId, e);
166 public void createTableMissEntry(TypedWriteTransaction<Configuration> tx, BigInteger dpnId) {
167 setupTableMissSmacFlow(tx, dpnId);
168 setupTableMissDmacFlow(tx, dpnId);
169 setupTableMissArpCheckFlow(tx, dpnId);
170 setupTableMissApResponderFlow(tx, dpnId);
171 setupExternalL2vniTableMissFlow(tx, dpnId);
174 private void createMulticastFlows(TypedWriteTransaction<Configuration> tx, BigInteger dpId) {
175 createL2ControlProtocolDropFlows(tx, dpId);
176 createMulticastPuntFlows(tx, dpId);
179 private void createMulticastPuntFlows(TypedWriteTransaction<Configuration> tx, BigInteger dpId) {
180 if (puntLldpToController) {
181 createLldpFlows(tx, dpId);
185 private void createLldpFlows(TypedWriteTransaction<Configuration> tx, BigInteger dpId) {
186 createLldpFlow(tx, dpId, ElanConstants.LLDP_DST_1, "LLDP dMac Table Flow 1");
187 createLldpFlow(tx, dpId, ElanConstants.LLDP_DST_2, "LLDP dMac Table Flow 2");
188 createLldpFlow(tx, dpId, ElanConstants.LLDP_DST_3, "LLDP dMac Table Flow 3");
191 private void createLldpFlow(TypedWriteTransaction<Configuration> tx, BigInteger dpId, String dstMac,
193 List<MatchInfo> mkMatches = new ArrayList<>();
194 mkMatches.add(new MatchEthernetType(ElanConstants.LLDP_ETH_TYPE));
195 mkMatches.add(new MatchEthernetDestination(new MacAddress(dstMac)));
197 List<ActionInfo> listActionInfo = new ArrayList<>();
198 listActionInfo.add(new ActionPuntToController());
200 List<InstructionInfo> mkInstructions = new ArrayList<>();
201 mkInstructions.add(new InstructionApplyActions(listActionInfo));
203 String flowId = dpId.toString() + NwConstants.ELAN_DMAC_TABLE + "lldp" + ElanConstants.LLDP_ETH_TYPE + dstMac;
204 FlowEntity lldpFlow = MDSALUtil.buildFlowEntity(dpId, NwConstants.ELAN_DMAC_TABLE, flowId, 16, flowName, 0, 0,
205 ElanConstants.COOKIE_ELAN_KNOWN_DMAC, mkMatches, mkInstructions);
207 mdsalManager.addFlow(tx, lldpFlow);
210 private void setupTableMissSmacFlow(TypedWriteTransaction<Configuration> tx, BigInteger dpId) {
211 List<ActionInfo> actionsInfos = new ArrayList<>();
212 actionsInfos.add(new ActionPuntToController());
213 actionsInfos.add(new ActionLearn(0, tempSmacLearnTimeout, 0, ElanConstants.COOKIE_ELAN_LEARNED_SMAC, 0,
214 NwConstants.ELAN_SMAC_LEARNED_TABLE, 0, 0,
216 new ActionLearn.MatchFromField(NwConstants.NxmOfFieldType.NXM_OF_ETH_SRC.getType(),
217 NwConstants.NxmOfFieldType.NXM_OF_ETH_SRC.getType(),
218 NwConstants.NxmOfFieldType.NXM_OF_ETH_SRC.getFlowModHeaderLenInt()),
219 new ActionLearn.MatchFromField(NwConstants.NxmOfFieldType.NXM_NX_REG1.getType(),
220 NwConstants.NxmOfFieldType.NXM_NX_REG1.getType(), ElanConstants.INTERFACE_TAG_LENGTH),
221 new ActionLearn.CopyFromValue(LEARN_MATCH_REG4_VALUE,
222 NwConstants.NxmOfFieldType.NXM_NX_REG4.getType(), 8))));
224 List<InstructionInfo> mkInstructions = new ArrayList<>();
225 mkInstructions.add(new InstructionApplyActions(actionsInfos));
226 mkInstructions.add(new InstructionGotoTable(NwConstants.ELAN_DMAC_TABLE));
228 List<MatchInfo> mkMatches = new ArrayList<>();
229 FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpId, NwConstants.ELAN_SMAC_TABLE,
230 getTableMissFlowRef(NwConstants.ELAN_SMAC_TABLE), 0, "ELAN sMac Table Miss Flow", 0, 0,
231 ElanConstants.COOKIE_ELAN_KNOWN_SMAC, mkMatches, mkInstructions);
232 mdsalManager.addFlow(tx, flowEntity);
234 addSmacBaseTableFlow(tx, dpId);
235 addSmacLearnedTableFlow(tx, dpId);
238 private void addSmacBaseTableFlow(TypedWriteTransaction<Configuration> tx, BigInteger dpId) {
239 // T48 - resubmit to T49 & T50
240 List<ActionInfo> actionsInfo = new ArrayList<>();
241 actionsInfo.add(new ActionNxResubmit(NwConstants.ELAN_SMAC_LEARNED_TABLE));
242 actionsInfo.add(new ActionNxResubmit(NwConstants.ELAN_SMAC_TABLE));
243 List<InstructionInfo> mkInstruct = new ArrayList<>();
244 mkInstruct.add(new InstructionApplyActions(actionsInfo));
245 List<MatchInfo> mkMatch = new ArrayList<>();
246 FlowEntity doubleResubmitTable = MDSALUtil.buildFlowEntity(dpId, NwConstants.ELAN_BASE_TABLE,
247 getTableMissFlowRef(NwConstants.ELAN_BASE_TABLE), 0, "Elan sMac resubmit table", 0, 0,
248 ElanConstants.COOKIE_ELAN_BASE_SMAC, mkMatch, mkInstruct);
249 mdsalManager.addFlow(tx, doubleResubmitTable);
252 private void addSmacLearnedTableFlow(TypedWriteTransaction<Configuration> tx, BigInteger dpId) {
253 // T50 - match on Reg4 and goto T51
254 List<MatchInfoBase> mkMatches = new ArrayList<>();
255 mkMatches.add(new NxMatchRegister(NxmNxReg4.class, LEARN_MATCH_REG4_VALUE));
256 List<InstructionInfo> mkInstructions = new ArrayList<>();
257 mkInstructions.add(new InstructionGotoTable(NwConstants.ELAN_DMAC_TABLE));
258 String flowRef = new StringBuffer().append(NwConstants.ELAN_SMAC_TABLE).append(NwConstants.FLOWID_SEPARATOR)
259 .append(LEARN_MATCH_REG4_VALUE).toString();
260 FlowEntity flowEntity =
261 MDSALUtil.buildFlowEntity(dpId, NwConstants.ELAN_SMAC_TABLE, flowRef, 10, "ELAN sMac Table Reg4 Flow",
262 0, 0, ElanConstants.COOKIE_ELAN_KNOWN_SMAC.add(BigInteger.valueOf(LEARN_MATCH_REG4_VALUE)),
263 mkMatches, mkInstructions);
264 mdsalManager.addFlow(tx, flowEntity);
267 private void setupTableMissDmacFlow(TypedWriteTransaction<Configuration> tx, BigInteger dpId) {
268 List<MatchInfo> mkMatches = new ArrayList<>();
270 List<InstructionInfo> mkInstructions = new ArrayList<>();
271 mkInstructions.add(new InstructionGotoTable(NwConstants.ELAN_UNKNOWN_DMAC_TABLE));
273 FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpId, NwConstants.ELAN_DMAC_TABLE,
274 getTableMissFlowRef(NwConstants.ELAN_DMAC_TABLE), 0, "ELAN dMac Table Miss Flow", 0, 0,
275 ElanConstants.COOKIE_ELAN_KNOWN_DMAC, mkMatches, mkInstructions);
277 mdsalManager.addFlow(tx, flowEntity);
280 private void setupExternalL2vniTableMissFlow(TypedWriteTransaction<Configuration> tx, BigInteger dpnId) {
281 List<MatchInfo> matches = new ArrayList<>();
282 List<ActionInfo> actionsInfos = Collections.singletonList(new ActionNxResubmit(NwConstants
283 .LPORT_DISPATCHER_TABLE));
284 List<InstructionInfo> instructions = Collections.singletonList(new InstructionApplyActions(actionsInfos));
285 FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpnId, NwConstants.L2VNI_EXTERNAL_TUNNEL_DEMUX_TABLE,
286 getTableMissFlowRef(NwConstants.L2VNI_EXTERNAL_TUNNEL_DEMUX_TABLE), 0,
287 "External L2VNI Table Miss Flow", 0, 0,
288 ElanConstants.COOKIE_L2VNI_DEMUX, matches, instructions);
289 mdsalManager.addFlow(tx, flowEntity);
293 private void createL2ControlProtocolDropFlows(TypedWriteTransaction<Configuration> tx, BigInteger dpId) {
294 List<MatchInfo> mkMatches = new ArrayList<>();
295 MatchEthernetDestination matchEthDst =
296 new MatchEthernetDestination(new MacAddress(ElanConstants.L2_CONTROL_PACKETS_DMAC),
297 new MacAddress(ElanConstants.L2_CONTROL_PACKETS_DMAC_MASK));
299 mkMatches.add(matchEthDst);
301 List<ActionInfo> listActionInfo = new ArrayList<>();
302 listActionInfo.add(new ActionDrop());
304 List<InstructionInfo> mkInstructions = new ArrayList<>();
305 mkInstructions.add(new InstructionApplyActions(listActionInfo));
307 String flowId = dpId.toString() + NwConstants.ELAN_DMAC_TABLE + "l2control"
308 + ElanConstants.L2_CONTROL_PACKETS_DMAC + ElanConstants.L2_CONTROL_PACKETS_DMAC_MASK;
309 FlowEntity flow = MDSALUtil.buildFlowEntity(dpId, NwConstants.ELAN_DMAC_TABLE, flowId, 15,
310 "L2 control packets dMac Table Flow", 0, 0, ElanConstants.COOKIE_ELAN_KNOWN_DMAC, mkMatches,
313 mdsalManager.addFlow(tx, flow);
316 private static String getTableMissFlowRef(long tableId) {
317 return String.valueOf(tableId);
321 protected ElanNodeListener getDataTreeChangeListener() {
322 return ElanNodeListener.this;
325 private void setupTableMissApResponderFlow(TypedWriteTransaction<Configuration> tx, final BigInteger dpnId) {
326 mdsalManager.addFlow(tx, ArpResponderUtil.getArpResponderTableMissFlow(dpnId));
329 private void setupTableMissArpCheckFlow(TypedWriteTransaction<Configuration> tx, BigInteger dpnId) {
330 mdsalManager.addFlow(tx,
331 MDSALUtil.buildFlowEntity(dpnId, NwConstants.ARP_CHECK_TABLE,
332 String.valueOf("L2.ELAN." + NwConstants.ARP_CHECK_TABLE), NwConstants.TABLE_MISS_PRIORITY,
333 ArpResponderConstant.DROP_FLOW_NAME.value(), 0, 0, NwConstants.COOKIE_ARP_RESPONDER,
334 new ArrayList<MatchInfo>(),
335 Collections.singletonList(new InstructionGotoTable(NwConstants.ELAN_BASE_TABLE))));
338 private void createArpRequestMatchFlows(BigInteger dpId, TypedReadWriteTransaction<Configuration> tx)
339 throws ExecutionException, InterruptedException {
340 long arpRequestGroupId = ArpResponderUtil.retrieveStandardArpResponderGroupId(idManagerService);
341 List<BucketInfo> buckets = ArpResponderUtil.getDefaultBucketInfos(NwConstants.ARP_RESPONDER_TABLE);
342 LOG.trace("Installing group flow on dpn {}", dpId);
343 GroupEntity groupEntity =
344 MDSALUtil.buildGroupEntity(dpId, arpRequestGroupId, ArpResponderConstant.GROUP_FLOW_NAME.value(),
345 GroupTypes.GroupAll, buckets);
346 mdsalManager.addGroup(tx, groupEntity);
347 InstanceIdentifier<Group> groupIid = ElanUtils.getGroupInstanceid(dpId, arpRequestGroupId);
348 if (tx.read(groupIid).get().isPresent()) {
349 LOG.info("group {} is present in the config hence adding the flow", arpRequestGroupId);
350 createArpRequestMatchFlowsForGroup(dpId, arpRequestGroupId,tx);
353 eventCallbacks.onAddOrUpdate(LogicalDatastoreType.CONFIGURATION,
354 ElanUtils.getGroupInstanceid(dpId, arpRequestGroupId), (unused, newGroupId) -> {
355 LOG.info("group {} added in the config", arpRequestGroupId);
356 LoggingFutures.addErrorLogging(
357 txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION,
358 innerConfTx -> createArpRequestMatchFlowsForGroup(dpId, arpRequestGroupId,
360 LOG, "Error adding flow for the group {}",arpRequestGroupId);
361 return DataTreeEventCallbackRegistrar.NextAction.UNREGISTER;
362 }, Duration.ofSeconds(5), iid -> LOG.error("arpRequestGroupId {} not found in Config datastore",
367 private void createArpRequestMatchFlowsForGroup(BigInteger dpId, long arpRequestGroupId,
368 TypedReadWriteTransaction<Configuration> tx) {
369 FlowEntity arpReqArpCheckTbl = ArpResponderUtil.createArpDefaultFlow(dpId, NwConstants.ARP_CHECK_TABLE,
370 NwConstants.ARP_REQUEST, () -> Arrays.asList(MatchEthernetType.ARP, MatchArpOp.REQUEST), () ->
371 Arrays.asList(new ActionGroup(arpRequestGroupId),
372 new ActionNxResubmit(NwConstants.ARP_LEARN_TABLE_1),
373 new ActionNxResubmit(NwConstants.ARP_LEARN_TABLE_2),
374 new ActionNxResubmit(NwConstants.ELAN_BASE_TABLE)));
375 LOG.trace("Invoking MDSAL to install Arp Rquest Match Flow for table {}", NwConstants.ARP_CHECK_TABLE);
376 mdsalManager.addFlow(tx, arpReqArpCheckTbl);
379 private void createArpResponseMatchFlows(BigInteger dpId, TypedReadWriteTransaction<Configuration> tx) {
380 FlowEntity arpRepArpCheckTbl = ArpResponderUtil.createArpDefaultFlow(dpId, NwConstants.ARP_CHECK_TABLE,
381 NwConstants.ARP_REPLY, () -> Arrays.asList(MatchEthernetType.ARP, MatchArpOp.REPLY), () ->
382 Arrays.asList(new ActionNxResubmit(NwConstants.ARP_LEARN_TABLE_1),
383 new ActionNxResubmit(NwConstants.ARP_LEARN_TABLE_2),
384 new ActionNxResubmit(NwConstants.ELAN_BASE_TABLE)));
385 LOG.trace("Invoking MDSAL to install Arp Reply Match Flow for Table {} ", NwConstants.ARP_CHECK_TABLE);
386 mdsalManager.addFlow(tx, arpRepArpCheckTbl);
389 private void createArpPuntAndLearnFlow(BigInteger dpId, TypedReadWriteTransaction<Configuration> tx) {
390 LOG.debug("adding arp punt and learn entry in table {}", NwConstants.ARP_LEARN_TABLE_1);
392 List<MatchInfo> matches = new ArrayList<>();
393 List<ActionInfo> actions = new ArrayList<>();
394 BigInteger cookie = new BigInteger("88880000", 16);
396 matches.add(MatchEthernetType.ARP);
397 actions.add(new ActionPuntToController());
398 if (arpPuntTimeout != 0) {
399 actions.add(new ActionLearn(0, arpPuntTimeout, ARP_LEARN_FLOW_PRIORITY, cookie, 0,
400 NwConstants.ARP_LEARN_TABLE_1, 0, 0,
402 new MatchFromValue(NwConstants.ETHTYPE_ARP, NxmOfFieldType.NXM_OF_ETH_TYPE.getType(),
403 NxmOfFieldType.NXM_OF_ETH_TYPE.getFlowModHeaderLenInt()),
404 new MatchFromField(NxmOfFieldType.NXM_OF_ARP_OP.getType(),
405 NxmOfFieldType.NXM_OF_ARP_OP.getType(),
406 NxmOfFieldType.NXM_OF_ARP_OP.getFlowModHeaderLenInt()),
407 new MatchFromField(NxmOfFieldType.NXM_OF_ARP_TPA.getType(),
408 NxmOfFieldType.NXM_OF_ARP_TPA.getType(),
409 NxmOfFieldType.NXM_OF_ARP_TPA.getFlowModHeaderLenInt()),
410 new ActionLearn.MatchFromField(NxmOfFieldType.OXM_OF_METADATA.getType(),
411 MetaDataUtil.METADATA_ELAN_TAG_OFFSET,
412 NxmOfFieldType.OXM_OF_METADATA.getType(), MetaDataUtil.METADATA_ELAN_TAG_OFFSET,
413 ElanConstants.ELAN_TAG_LENGTH),
414 new CopyFromValue(1, NxmOfFieldType.NXM_NX_REG4.getType(), 8))));
416 actions.add(new ActionLearn(0, arpPuntTimeout, ARP_LEARN_FLOW_PRIORITY, cookie, 0,
417 NwConstants.ARP_LEARN_TABLE_2, 0, 0,
419 new MatchFromValue(NwConstants.ETHTYPE_ARP, NxmOfFieldType.NXM_OF_ETH_TYPE.getType(),
420 NxmOfFieldType.NXM_OF_ETH_TYPE.getFlowModHeaderLenInt()),
421 new MatchFromField(NxmOfFieldType.NXM_OF_ARP_OP.getType(),
422 NxmOfFieldType.NXM_OF_ARP_OP.getType(),
423 NxmOfFieldType.NXM_OF_ARP_OP.getFlowModHeaderLenInt()),
424 new MatchFromField(NxmOfFieldType.NXM_OF_ARP_TPA.getType(),
425 NxmOfFieldType.NXM_OF_ARP_SPA.getType(),
426 NxmOfFieldType.NXM_OF_ARP_TPA.getFlowModHeaderLenInt()),
427 new ActionLearn.MatchFromField(NxmOfFieldType.OXM_OF_METADATA.getType(),
428 MetaDataUtil.METADATA_ELAN_TAG_OFFSET, NxmOfFieldType.OXM_OF_METADATA.getType(),
429 MetaDataUtil.METADATA_ELAN_TAG_OFFSET, MetaDataUtil.METADATA_ELAN_TAG_BITLEN),
430 new CopyFromValue(1, NxmOfFieldType.NXM_NX_REG4.getType(), 8, 8))));
433 List<InstructionInfo> instructions = new ArrayList<>();
434 instructions.add(new InstructionApplyActions(actions));
435 String flowid = String.valueOf(NwConstants.ARP_LEARN_TABLE_1) + NwConstants.FLOWID_SEPARATOR + "arp.punt";
436 FlowEntity flow = MDSALUtil.buildFlowEntity(dpId, NwConstants.ARP_LEARN_TABLE_1, flowid,
437 NwConstants.TABLE_MISS_PRIORITY, "arp punt/learn flow", 0,
438 0, cookie, matches, instructions);
439 mdsalManager.addFlow(tx, flow);
442 private void addGarpLearnMatchFlow(BigInteger dpId, TypedReadWriteTransaction<Configuration> tx) {
443 List<ActionInfo> actions = new ArrayList<>();
444 List<MatchInfoBase> matches = new ArrayList<>();
446 matches.add(MatchEthernetType.ARP);
447 matches.add(new NxMatchRegister(NxmNxReg4.class, GARP_LEARN_MATCH_VALUE, ARP_LEARN_MATCH_MASK));
449 actions.add(new ActionRegLoad(NxmNxReg4.class, 0, 31, 0));
450 actions.add(new ActionPuntToController());
451 actions.add(new ActionNxResubmit(NwConstants.ELAN_SMAC_LEARNED_TABLE));
452 actions.add(new ActionNxResubmit(NwConstants.ELAN_SMAC_TABLE));
454 List<InstructionInfo> instructions = new ArrayList<>();
455 instructions.add(new InstructionApplyActions(actions));
456 String flowid = String.valueOf(NwConstants.ELAN_BASE_TABLE) + NwConstants.FLOWID_SEPARATOR + "garp.match";
457 FlowEntity garpFlow = MDSALUtil.buildFlowEntity(dpId, NwConstants.ELAN_BASE_TABLE, flowid,
458 NwConstants.DEFAULT_ARP_FLOW_PRIORITY, "GARP learn match flow", 0, 0,
459 ElanConstants.COOKIE_ELAN_BASE_SMAC, matches, instructions);
460 mdsalManager.addFlow(tx, garpFlow);
463 private void addArpLearnMatchFlow(BigInteger dpId, TypedReadWriteTransaction<Configuration> tx) {
464 List<ActionInfo> actions = new ArrayList<>();
465 List<MatchInfoBase> matches = new ArrayList<>();
467 matches.add(MatchEthernetType.ARP);
468 matches.add(new NxMatchRegister(NxmNxReg4.class, ARP_LEARN_MATCH_VALUE, ARP_LEARN_MATCH_MASK));
470 actions.add(new ActionRegLoad(NxmNxReg4.class, 0, 31, 0));
471 actions.add(new ActionNxResubmit(NwConstants.ELAN_SMAC_LEARNED_TABLE));
472 actions.add(new ActionNxResubmit(NwConstants.ELAN_SMAC_TABLE));
474 List<InstructionInfo> instructions = new ArrayList<>();
475 instructions.add(new InstructionApplyActions(actions));
476 String flowid = String.valueOf(NwConstants.ELAN_BASE_TABLE) + NwConstants.FLOWID_SEPARATOR + "arp.match";
477 FlowEntity arpFlow = MDSALUtil.buildFlowEntity(dpId, NwConstants.ELAN_BASE_TABLE, flowid,
478 NwConstants.DEFAULT_ARP_FLOW_PRIORITY, "ARP learn match flow", 0, 0,
479 ElanConstants.COOKIE_ELAN_BASE_SMAC, matches, instructions);
480 mdsalManager.addFlow(tx, arpFlow);