2 * Copyright (c) 2015 - 2016 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.vpnservice.fibmanager;
10 import com.google.common.base.Optional;
11 import com.google.common.base.Preconditions;
12 import com.google.common.util.concurrent.FutureCallback;
13 import com.google.common.util.concurrent.Futures;
15 import java.math.BigInteger;
16 import java.net.InetAddress;
17 import java.net.UnknownHostException;
18 import java.util.ArrayList;
19 import java.util.Collection;
20 import java.util.List;
21 import java.util.concurrent.ExecutionException;
22 import java.util.concurrent.Future;
24 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
25 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
26 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
27 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
28 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
29 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
30 import org.opendaylight.vpnmanager.api.IVpnManager;
31 import org.opendaylight.vpnservice.mdsalutil.AbstractDataChangeListener;
32 import org.opendaylight.vpnservice.itm.globals.ITMConstants;
33 import org.opendaylight.vpnservice.mdsalutil.ActionInfo;
34 import org.opendaylight.vpnservice.mdsalutil.ActionType;
35 import org.opendaylight.vpnservice.mdsalutil.FlowEntity;
36 import org.opendaylight.vpnservice.mdsalutil.InstructionInfo;
37 import org.opendaylight.vpnservice.mdsalutil.InstructionType;
38 import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
39 import org.opendaylight.vpnservice.mdsalutil.MatchFieldType;
40 import org.opendaylight.vpnservice.mdsalutil.MatchInfo;
41 import org.opendaylight.vpnservice.mdsalutil.MetaDataUtil;
42 import org.opendaylight.vpnservice.mdsalutil.NwConstants;
43 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.PrefixToInterface;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.VpnInstanceOpData;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.prefix.to._interface.VpnIds;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.prefix.to._interface.VpnIdsKey;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.prefix.to._interface.vpn.ids.Prefixes;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.prefix.to._interface.vpn.ids.PrefixesKey;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntryKey;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnToDpnList;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.overlay.rev150105.TunnelTypeVxlan;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rpcs.rev151217.GetTunnelInterfaceNameOutput;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rpcs.rev151217.ItmRpcService;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.FibEntries;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.fibentries.VrfTables;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.fibentries.VrfTablesKey;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.vrfentries.VrfEntry;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeBase;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeMplsOverGre;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetEgressActionsForInterfaceInputBuilder;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetEgressActionsForInterfaceOutput;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetTunnelTypeInputBuilder;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetTunnelTypeOutput;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.OdlInterfaceRpcService;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.l3nexthop.rev150409.l3nexthop.vpnnexthops.VpnNexthop;
68 import org.opendaylight.yangtools.concepts.ListenerRegistration;
69 import org.opendaylight.yangtools.yang.binding.DataObject;
70 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
71 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.InstanceIdentifierBuilder;
72 import org.opendaylight.yangtools.yang.common.RpcResult;
73 import org.slf4j.Logger;
74 import org.slf4j.LoggerFactory;
76 public class FibManager extends AbstractDataChangeListener<VrfEntry> implements AutoCloseable{
77 private static final Logger LOG = LoggerFactory.getLogger(FibManager.class);
78 private static final String FLOWID_PREFIX = "L3.";
79 private ListenerRegistration<DataChangeListener> listenerRegistration;
80 private final DataBroker broker;
81 private IMdsalApiManager mdsalManager;
82 private IVpnManager vpnmanager;
83 private NexthopManager nextHopManager;
84 private ItmRpcService itmManager;
85 private OdlInterfaceRpcService interfaceManager;
87 private static final short L3_FIB_TABLE = 21;
88 private static final short L3_LFIB_TABLE = 20;
89 private static final short L3_PROTOCOL_TABLE = 36;
90 private static final short L3_INTERFACE_TABLE = 80;
91 public static final short LPORT_DISPATCHER_TABLE = 30;
92 private static final BigInteger COOKIE_VM_LFIB_TABLE = new BigInteger("8000002", 16);
93 private static final BigInteger COOKIE_VM_FIB_TABLE = new BigInteger("8000003", 16);
94 private static final int DEFAULT_FIB_FLOW_PRIORITY = 10;
95 private static final BigInteger METADATA_MASK_CLEAR = new BigInteger("000000FFFFFFFFFF", 16);
96 private static final BigInteger CLEAR_METADATA = BigInteger.valueOf(0);
99 private static final FutureCallback<Void> DEFAULT_CALLBACK =
100 new FutureCallback<Void>() {
101 public void onSuccess(Void result) {
102 LOG.debug("Success in Datastore write operation");
105 public void onFailure(Throwable error) {
106 LOG.error("Error in Datastore write operation", error);
110 public FibManager(final DataBroker db) {
111 super(VrfEntry.class);
113 registerListener(db);
117 public void close() throws Exception {
118 if (listenerRegistration != null) {
120 listenerRegistration.close();
121 } catch (final Exception e) {
122 LOG.error("Error when cleaning up DataChangeListener.", e);
124 listenerRegistration = null;
126 LOG.info("Fib Manager Closed");
129 public void setNextHopManager(NexthopManager nextHopManager) {
130 this.nextHopManager = nextHopManager;
133 public void setMdsalManager(IMdsalApiManager mdsalManager) {
134 this.mdsalManager = mdsalManager;
137 public void setVpnmanager(IVpnManager vpnmanager) {
138 this.vpnmanager = vpnmanager;
141 public void setITMRpcService(ItmRpcService itmManager) {
142 this.itmManager = itmManager;
145 public void setInterfaceManager(OdlInterfaceRpcService ifManager) {
146 this.interfaceManager = ifManager;
149 private void registerListener(final DataBroker db) {
151 listenerRegistration = db.registerDataChangeListener(LogicalDatastoreType.OPERATIONAL,
152 getWildCardPath(), FibManager.this, DataChangeScope.SUBTREE);
153 } catch (final Exception e) {
154 LOG.error("FibManager DataChange listener registration fail!", e);
155 throw new IllegalStateException("FibManager registration Listener failed.", e);
159 private <T extends DataObject> Optional<T> read(LogicalDatastoreType datastoreType,
160 InstanceIdentifier<T> path) {
162 ReadOnlyTransaction tx = broker.newReadOnlyTransaction();
164 Optional<T> result = Optional.absent();
166 result = tx.read(datastoreType, path).get();
167 } catch (Exception e) {
168 throw new RuntimeException(e);
174 private InstanceIdentifier<VrfEntry> getWildCardPath() {
175 return InstanceIdentifier.create(FibEntries.class).child(VrfTables.class).child(VrfEntry.class);
178 private <T extends DataObject> void asyncWrite(LogicalDatastoreType datastoreType,
179 InstanceIdentifier<T> path, T data, FutureCallback<Void> callback) {
180 WriteTransaction tx = broker.newWriteOnlyTransaction();
181 tx.put(datastoreType, path, data, true);
182 Futures.addCallback(tx.submit(), callback);
186 protected void add(final InstanceIdentifier<VrfEntry> identifier,
187 final VrfEntry vrfEntry) {
188 LOG.trace("key: " + identifier + ", value=" + vrfEntry );
189 createFibEntries(identifier, vrfEntry);
193 protected void remove(InstanceIdentifier<VrfEntry> identifier, VrfEntry vrfEntry) {
194 LOG.trace("key: " + identifier + ", value=" + vrfEntry);
195 deleteFibEntries(identifier, vrfEntry);
199 protected void update(InstanceIdentifier<VrfEntry> identifier, VrfEntry original, VrfEntry update) {
200 LOG.trace("key: " + identifier + ", original=" + original + ", update=" + update );
201 createFibEntries(identifier, update);
204 private void createFibEntries(final InstanceIdentifier<VrfEntry> identifier,
205 final VrfEntry vrfEntry) {
206 final VrfTablesKey vrfTableKey = identifier.firstKeyOf(VrfTables.class, VrfTablesKey.class);
207 Preconditions.checkNotNull(vrfTableKey, "VrfTablesKey cannot be null or empty!");
208 Preconditions.checkNotNull(vrfEntry, "VrfEntry cannot be null or empty!");
210 VpnInstanceOpDataEntry vpnInstance = getVpnInstance(vrfTableKey.getRouteDistinguisher());
211 Preconditions.checkNotNull(vpnInstance, "Vpn Instance not available!");
212 Preconditions.checkNotNull(vpnInstance.getVpnId(), "Vpn Instance with rd " + vpnInstance.getVrfId() + "has null vpnId!");
214 Collection<VpnToDpnList> vpnToDpnList = vpnInstance.getVpnToDpnList();
215 if (vpnToDpnList != null) {
216 BigInteger localDpnId = createLocalFibEntry(vpnInstance.getVpnId(),
217 vrfTableKey.getRouteDistinguisher(), vrfEntry);
218 for (VpnToDpnList curDpn : vpnToDpnList) {
219 if (!curDpn.getDpnId().equals(localDpnId)) {
220 createRemoteFibEntry(localDpnId, curDpn.getDpnId(), vpnInstance.getVpnId(),
221 vrfTableKey, vrfEntry);
227 public BigInteger createLocalFibEntry(Long vpnId, String rd, VrfEntry vrfEntry) {
228 BigInteger localDpnId = BigInteger.ZERO;
229 Prefixes localNextHopInfo = getPrefixToInterface(vpnId, vrfEntry.getDestPrefix());
230 boolean staticRoute = false;
232 //If the vrf entry is a static/extra route, the nexthop of the entry would be a adjacency in the vpn
233 if(localNextHopInfo == null) {
234 localNextHopInfo = getPrefixToInterface(vpnId, vrfEntry.getNextHopAddress() + "/32");
238 if(localNextHopInfo != null) {
239 localDpnId = localNextHopInfo.getDpnId();
240 long groupId = nextHopManager.createLocalNextHop(vpnId, localDpnId, localNextHopInfo.getVpnInterfaceName(),
241 (staticRoute == true) ? vrfEntry.getNextHopAddress() + "/32" : vrfEntry.getDestPrefix());
242 List<ActionInfo> actionInfos = new ArrayList<ActionInfo>();
244 actionInfos.add(new ActionInfo(ActionType.group, new String[] { String.valueOf(groupId)}));
246 makeConnectedRoute(localDpnId, vpnId, vrfEntry, rd, actionInfos, NwConstants.ADD_FLOW);
247 makeLFibTableEntry(localDpnId, vrfEntry.getLabel(), groupId, vrfEntry.getNextHopAddress(), NwConstants.ADD_FLOW);
249 LOG.debug("Installing tunnel table entry on dpn {} for interface {} with label {}",
250 localDpnId, localNextHopInfo.getVpnInterfaceName(), vrfEntry.getLabel());
251 makeTunnelTableEntry(localDpnId, vrfEntry.getLabel(), groupId);
257 private void makeTunnelTableEntry(BigInteger dpId, long label, long groupId/*String egressInterfaceName*/) {
258 List<ActionInfo> actionsInfos = new ArrayList<ActionInfo>();
259 actionsInfos.add(new ActionInfo(ActionType.group, new String[] { String.valueOf(groupId) }));
262 createTerminatingServiceActions(dpId, (int)label, actionsInfos);
264 LOG.debug("Terminating service Entry for dpID {} : label : {} egress : {} installed successfully {}",
265 dpId, label, groupId);
268 public void createTerminatingServiceActions( BigInteger destDpId, int label, List<ActionInfo> actionsInfos) {
270 /* List<MatchInfo> mkMatches = new ArrayList<MatchInfo>();
272 LOG.info("create terminatingServiceAction on DpnId = {} and serviceId = {} and actions = {}", destDpId , label,actionsInfos);
275 mkMatches.add(new MatchInfo(MatchFieldType.tunnel_id, new BigInteger[] {
276 MetaDataUtil.getTunnelIdWithValidVniBitAndVniSet(label),
277 MetaDataUtil.METADA_MASK_TUNNEL_ID }));
279 List<InstructionInfo> mkInstructions = new ArrayList<InstructionInfo>();
280 mkInstructions.add(new InstructionInfo(InstructionType.write_actions, actionsInfos));
282 FlowEntity terminatingServiceTableFlowEntity = MDSALUtil.buildFlowEntity(destDpId,ITMConstants.TERMINATING_SERVICE_TABLE,
283 getFlowRef(destDpId, ITMConstants.TERMINATING_SERVICE_TABLE,label), 5, String.format("%s:%d","TST Flow Entry ",label),
284 0, 0, ITMConstants.COOKIE_ITM.add(BigInteger.valueOf(label)),mkMatches, mkInstructions);
286 mdsalManager.installFlow(terminatingServiceTableFlowEntity);*/
289 private void removeTunnelTableEntry(BigInteger dpId, long label) {
291 // itmManager.removeTerminatingServiceAction(dpId, (int)label);
293 // LOG.debug("Terminating service Entry for dpID {} : label : {} removed successfully {}",dpId, label);
296 public BigInteger deleteLocalFibEntry(Long vpnId, String rd, VrfEntry vrfEntry) {
297 BigInteger localDpnId = BigInteger.ZERO;
298 VpnNexthop localNextHopInfo = nextHopManager.getVpnNexthop(vpnId, vrfEntry.getDestPrefix());
299 boolean staticRoute = false;
301 //If the vrf entry is a static/extra route, the nexthop of the entry would be a adjacency in the vpn
302 if(localNextHopInfo == null) {
303 localNextHopInfo = nextHopManager.getVpnNexthop(vpnId, vrfEntry.getNextHopAddress() + "/32");
307 if(localNextHopInfo != null) {
308 localDpnId = localNextHopInfo.getDpnId();
309 if (getPrefixToInterface(vpnId, (staticRoute == true) ? vrfEntry.getNextHopAddress() + "/32" : vrfEntry.getDestPrefix()) == null) {
310 makeConnectedRoute(localDpnId, vpnId, vrfEntry, rd, null /* invalid */,
311 NwConstants.DEL_FLOW);
312 makeLFibTableEntry(localDpnId, vrfEntry.getLabel(), 0 /* invalid */,
313 vrfEntry.getNextHopAddress(), NwConstants.DEL_FLOW);
314 removeTunnelTableEntry(localDpnId, vrfEntry.getLabel());
315 deleteLocalAdjacency(localDpnId, vpnId, (staticRoute == true) ? vrfEntry.getNextHopAddress() + "/32" : vrfEntry.getDestPrefix());
321 private InstanceIdentifier<Prefixes> getPrefixToInterfaceIdentifier(Long vpnId, String ipPrefix) {
322 return InstanceIdentifier.builder(PrefixToInterface.class)
323 .child(VpnIds.class, new VpnIdsKey(vpnId)).child(Prefixes.class, new PrefixesKey(ipPrefix)).build();
326 private Prefixes getPrefixToInterface(Long vpnId, String ipPrefix) {
327 Optional<Prefixes> localNextHopInfoData =
328 read(LogicalDatastoreType.OPERATIONAL, getPrefixToInterfaceIdentifier(vpnId, ipPrefix));
329 return localNextHopInfoData.isPresent() ? localNextHopInfoData.get() : null;
333 private Class<? extends TunnelTypeBase> getTunnelType(String ifName) {
335 Future<RpcResult<GetTunnelTypeOutput>> result = interfaceManager.getTunnelType(
336 new GetTunnelTypeInputBuilder().setIntfName(ifName).build());
337 RpcResult<GetTunnelTypeOutput> rpcResult = result.get();
338 if(!rpcResult.isSuccessful()) {
339 LOG.warn("RPC Call to getTunnelInterfaceId returned with Errors {}", rpcResult.getErrors());
341 return rpcResult.getResult().getTunnelType();
344 } catch (InterruptedException | ExecutionException e) {
345 LOG.warn("Exception when getting tunnel interface Id for tunnel type {}", e);
351 private void createRemoteFibEntry(final BigInteger localDpnId, final BigInteger remoteDpnId,
352 final long vpnId, final VrfTablesKey vrfTableKey,
353 final VrfEntry vrfEntry) {
354 String rd = vrfTableKey.getRouteDistinguisher();
355 LOG.debug("adding route " + vrfEntry.getDestPrefix() + " " + rd);
356 /********************************************/
357 String tunnelInterface = resolveAdjacency(localDpnId, remoteDpnId, vpnId, vrfEntry);
358 if(tunnelInterface == null) {
359 LOG.error("Could not get interface for nexthop: {} in vpn {}",
360 vrfEntry.getNextHopAddress(), rd);
361 LOG.warn("Failed to add Route: {} in vpn: {}",
362 vrfEntry.getDestPrefix(), rd);
365 List<ActionInfo> actionInfos = nextHopManager.getEgressActionsForInterface(tunnelInterface);
366 Class<? extends TunnelTypeBase> tunnel_type = getTunnelType(tunnelInterface);
367 if (tunnel_type.equals(TunnelTypeMplsOverGre.class)) {
368 LOG.debug("Push label action for prefix {}", vrfEntry.getDestPrefix());
369 actionInfos.add(new ActionInfo(ActionType.push_mpls, new String[] { null }));
370 actionInfos.add(new ActionInfo(ActionType.set_field_mpls_label, new String[] { Long.toString(vrfEntry.getLabel())}));
372 int label = vrfEntry.getLabel().intValue();
374 if(tunnel_type.equals(TunnelTypeVxlan.class)) {
375 tunnelId = MetaDataUtil.getTunnelIdWithValidVniBitAndVniSet(label);
377 tunnelId = BigInteger.valueOf(label);
379 LOG.debug("adding set tunnel id action for label {}", label);
380 actionInfos.add(new ActionInfo(ActionType.set_field_tunnel_id, new BigInteger[] {
381 tunnelId, MetaDataUtil.METADA_MASK_VALID_TUNNEL_ID_BIT_AND_TUNNEL_ID }));
384 List<ActionInfo> actionInfos = resolveAdjacency(localDpnId, remoteDpnId, vpnId, vrfEntry);
385 if(actionInfos == null) {
386 LOG.error("Could not get nexthop group id for nexthop: {} in vpn {}",
387 vrfEntry.getNextHopAddress(), rd);
388 LOG.warn("Failed to add Route: {} in vpn: {}",
389 vrfEntry.getDestPrefix(), rd);
392 BigInteger dpnId = nextHopManager.getDpnForPrefix(vpnId, vrfEntry.getDestPrefix());
394 //This route may be extra route... try to query with nexthop Ip
395 LOG.debug("Checking for extra route to install remote fib entry {}", vrfEntry.getDestPrefix());
396 dpnId = nextHopManager.getDpnForPrefix(vpnId, vrfEntry.getNextHopAddress() + "/32");
399 LOG.debug("Push label action for prefix {}", vrfEntry.getDestPrefix());
400 actionInfos.add(new ActionInfo(ActionType.push_mpls, new String[] { null }));
401 actionInfos.add(new ActionInfo(ActionType.set_field_mpls_label, new String[] { Long.toString(vrfEntry.getLabel())}));
403 int label = vrfEntry.getLabel().intValue();
404 LOG.debug("adding set tunnel id action for label {}", label);
405 actionInfos.add(new ActionInfo(ActionType.set_field_tunnel_id, new BigInteger[] {
406 MetaDataUtil.getTunnelIdWithValidVniBitAndVniSet(label),
407 MetaDataUtil.METADA_MASK_VALID_TUNNEL_ID_BIT_AND_TUNNEL_ID }));
410 makeConnectedRoute(remoteDpnId, vpnId, vrfEntry, rd, actionInfos, NwConstants.ADD_FLOW);
412 "Successfully added fib entry for " + vrfEntry.getDestPrefix() + " vpnId " + vpnId);
415 private void deleteFibEntries(final InstanceIdentifier<VrfEntry> identifier,
416 final VrfEntry vrfEntry) {
417 final VrfTablesKey vrfTableKey = identifier.firstKeyOf(VrfTables.class, VrfTablesKey.class);
418 Preconditions.checkNotNull(vrfTableKey, "VrfTablesKey cannot be null or empty!");
419 Preconditions.checkNotNull(vrfEntry, "VrfEntry cannot be null or empty!");
421 VpnInstanceOpDataEntry vpnInstance = getVpnInstance(vrfTableKey.getRouteDistinguisher());
422 Preconditions.checkNotNull(vpnInstance, "Vpn Instance not available!");
423 Collection<VpnToDpnList> vpnToDpnList = vpnInstance.getVpnToDpnList();
424 if (vpnToDpnList != null) {
425 BigInteger localDpnId = deleteLocalFibEntry(vpnInstance.getVpnId(),
426 vrfTableKey.getRouteDistinguisher(), vrfEntry);
427 for (VpnToDpnList curDpn : vpnToDpnList) {
428 if (!curDpn.getDpnId().equals(localDpnId)) {
429 deleteRemoteRoute(localDpnId, curDpn.getDpnId(), vpnInstance.getVpnId(), vrfTableKey, vrfEntry);
436 public void deleteRemoteRoute(final BigInteger localDpnId, final BigInteger remoteDpnId,
437 final long vpnId, final VrfTablesKey vrfTableKey,
438 final VrfEntry vrfEntry) {
439 LOG.debug("deleting route "+ vrfEntry.getDestPrefix() + " "+vpnId);
440 String rd = vrfTableKey.getRouteDistinguisher();
441 String egressInterface = resolveAdjacency(localDpnId, remoteDpnId, vpnId, vrfEntry);
442 if(egressInterface == null) {
443 LOG.error("Could not get nexthop group id for nexthop: {} in vpn {}",
444 vrfEntry.getNextHopAddress(), rd);
445 LOG.warn("Failed to delete Route: {} in vpn: {}",
446 vrfEntry.getDestPrefix(), rd);
450 makeConnectedRoute(remoteDpnId, vpnId, vrfEntry, rd, null, NwConstants.DEL_FLOW);
451 LOG.debug("Successfully delete fib entry for "+ vrfEntry.getDestPrefix() + " vpnId "+vpnId);
454 private long getIpAddress(byte[] rawIpAddress) {
455 return (((rawIpAddress[0] & 0xFF) << (3 * 8)) + ((rawIpAddress[1] & 0xFF) << (2 * 8))
456 + ((rawIpAddress[2] & 0xFF) << (1 * 8)) + (rawIpAddress[3] & 0xFF)) & 0xffffffffL;
459 private void makeConnectedRoute(BigInteger dpId, long vpnId, VrfEntry vrfEntry, String rd,
460 List<ActionInfo> actionInfos, int addOrRemove) {
461 LOG.trace("makeConnectedRoute: vrfEntry {}",vrfEntry);
462 String values[] = vrfEntry.getDestPrefix().split("/");
463 String ipAddress = values[0];
464 int prefixLength = (values.length == 1) ? 0 : Integer.parseInt(values[1]);
465 LOG.debug("Adding route to DPN. ip {} masklen {}", ipAddress, prefixLength);
466 InetAddress destPrefix = null;
468 destPrefix = InetAddress.getByName(ipAddress);
469 } catch (UnknownHostException e) {
470 LOG.error("UnknowHostException in addRoute. Failed to add Route for ipPrefix {}", vrfEntry.getDestPrefix());
474 List<MatchInfo> matches = new ArrayList<MatchInfo>();
476 matches.add(new MatchInfo(MatchFieldType.metadata, new BigInteger[] {
477 BigInteger.valueOf(vpnId), MetaDataUtil.METADATA_MASK_VRFID }));
479 matches.add(new MatchInfo(MatchFieldType.eth_type,
480 new long[] { 0x0800L }));
482 if(prefixLength != 0) {
483 matches.add(new MatchInfo(MatchFieldType.ipv4_dst, new long[] {
484 getIpAddress(destPrefix.getAddress()), prefixLength }));
487 List<InstructionInfo> instructions = new ArrayList<InstructionInfo>();
488 if(addOrRemove == NwConstants.ADD_FLOW) {
489 instructions.add(new InstructionInfo(InstructionType.write_actions, actionInfos));
492 String flowRef = getFlowRef(dpId, L3_FIB_TABLE, rd, destPrefix);
494 FlowEntity flowEntity;
496 int priority = DEFAULT_FIB_FLOW_PRIORITY + prefixLength;
497 flowEntity = MDSALUtil.buildFlowEntity(dpId, L3_FIB_TABLE, flowRef,
498 priority, flowRef, 0, 0,
499 COOKIE_VM_FIB_TABLE, matches, instructions);
501 if (addOrRemove == NwConstants.ADD_FLOW) {
502 /* We need to call sync API to install flow so that 2 DS operations on the same object do not
503 * happen at same time. However, MDSALManager's syncInstallFlow takes a delay time (or uses a default one) to wait
504 * for or for notification that operational DS write for flows is done. We do not turn on the stats writing for flows,
505 * so that notification never comes, so we do not need that wait. Sending the lowest value of wait "1 ms" since 0 wait means
506 * wait indefinitely. */
507 // FIXME: sync calls.
508 //mdsalManager.syncInstallFlow(flowEntity, 1);
509 mdsalManager.installFlow(flowEntity);
511 // FIXME: sync calls.
512 // mdsalManager.syncRemoveFlow(flowEntity, 1);
513 mdsalManager.removeFlow(flowEntity);
517 private void makeLFibTableEntry(BigInteger dpId, long label, long groupId,
518 String nextHop, int addOrRemove) {
519 List<MatchInfo> matches = new ArrayList<MatchInfo>();
520 matches.add(new MatchInfo(MatchFieldType.eth_type,
521 new long[] { 0x8847L }));
522 matches.add(new MatchInfo(MatchFieldType.mpls_label, new String[]{Long.toString(label)}));
524 List<InstructionInfo> instructions = new ArrayList<InstructionInfo>();
525 List<ActionInfo> actionsInfos = new ArrayList<ActionInfo>();
526 actionsInfos.add(new ActionInfo(ActionType.pop_mpls, new String[]{}));
527 actionsInfos.add(new ActionInfo(ActionType.group, new String[] { String.valueOf(groupId) }));
528 instructions.add(new InstructionInfo(InstructionType.write_actions, actionsInfos));
530 // Install the flow entry in L3_LFIB_TABLE
531 String flowRef = getFlowRef(dpId, L3_LFIB_TABLE, label, nextHop);
533 FlowEntity flowEntity;
534 flowEntity = MDSALUtil.buildFlowEntity(dpId, L3_LFIB_TABLE, flowRef,
535 DEFAULT_FIB_FLOW_PRIORITY, flowRef, 0, 0,
536 COOKIE_VM_LFIB_TABLE, matches, instructions);
538 if (addOrRemove == NwConstants.ADD_FLOW) {
539 /* We need to call sync API to install flow so that 2 DS operations on the same object do not
540 * happen at same time. However, MDSALManager's syncInstallFlow takes a delay time (or uses a default one) to wait
541 * for or for notification that operational DS write for flows is done. We do not turn on the stats writing for flows,
542 * so that notification never comes, so we do not need that wait. Sending the lowest value of wait "1 ms" since 0 wait means
543 * wait indefinitely. */
546 // mdsalManager.syncInstallFlow(flowEntity, 1);
547 mdsalManager.installFlow(flowEntity);
550 // mdsalManager.syncRemoveFlow(flowEntity, 1);
551 mdsalManager.removeFlow(flowEntity);
553 LOG.debug("LFIB Entry for dpID {} : label : {} group {} modified successfully {}",dpId, label, groupId );
556 private void deleteLocalAdjacency(final BigInteger dpId, final long vpnId, final String ipAddress) {
557 LOG.trace("deleteLocalAdjacency called with dpid {}, vpnId{}, ipAddress {}",dpId, vpnId, ipAddress);
559 nextHopManager.removeLocalNextHop(dpId, vpnId, ipAddress);
560 } catch (NullPointerException e) {
565 public void populateFibOnNewDpn(BigInteger dpnId, long vpnId, String rd) {
566 LOG.trace("New dpn {} for vpn {} : populateFibOnNewDpn", dpnId, rd);
567 InstanceIdentifier<VrfTables> id = buildVrfId(rd);
568 Optional<VrfTables> vrfTable = read(LogicalDatastoreType.OPERATIONAL, id);
569 if(vrfTable.isPresent()) {
570 for(VrfEntry vrfEntry : vrfTable.get().getVrfEntry()) {
571 // Passing null as we don't know the dpn
572 // to which prefix is attached at this point
573 createRemoteFibEntry(null, dpnId, vpnId, vrfTable.get().getKey(), vrfEntry);
578 public void cleanUpDpnForVpn(BigInteger dpnId, long vpnId, String rd) {
579 LOG.trace("Remove dpn {} for vpn {} : cleanUpDpnForVpn", dpnId, rd);
580 InstanceIdentifier<VrfTables> id = buildVrfId(rd);
581 Optional<VrfTables> vrfTable = read(LogicalDatastoreType.OPERATIONAL, id);
582 if(vrfTable.isPresent()) {
583 for(VrfEntry vrfEntry : vrfTable.get().getVrfEntry()) {
584 // Passing null as we don't know the dpn
585 // to which prefix is attached at this point
586 deleteRemoteRoute(null, dpnId, vpnId, vrfTable.get().getKey(), vrfEntry);
591 public static InstanceIdentifier<VrfTables> buildVrfId(String rd) {
592 InstanceIdentifierBuilder<VrfTables> idBuilder =
593 InstanceIdentifier.builder(FibEntries.class).child(VrfTables.class, new VrfTablesKey(rd));
594 InstanceIdentifier<VrfTables> id = idBuilder.build();
598 private String getFlowRef(BigInteger dpnId, short tableId, long label, String nextHop) {
599 return new StringBuilder(64).append(FLOWID_PREFIX).append(dpnId).append(NwConstants.FLOWID_SEPARATOR)
600 .append(tableId).append(NwConstants.FLOWID_SEPARATOR)
601 .append(label).append(NwConstants.FLOWID_SEPARATOR)
602 .append(nextHop).toString();
605 private String getFlowRef(BigInteger dpnId, short tableId, String rd, InetAddress destPrefix) {
606 return new StringBuilder(64).append(FLOWID_PREFIX).append(dpnId).append(NwConstants.FLOWID_SEPARATOR)
607 .append(tableId).append(NwConstants.FLOWID_SEPARATOR)
608 .append(rd).append(NwConstants.FLOWID_SEPARATOR)
609 .append(destPrefix.getHostAddress()).toString();
612 protected String resolveAdjacency(final BigInteger localDpnId, final BigInteger remoteDpnId,
613 final long vpnId, final VrfEntry vrfEntry) {
614 String adjacency = null;
615 LOG.trace("resolveAdjacency called with localdpid{} remotedpid {}, vpnId{}, VrfEntry {}", localDpnId, remoteDpnId, vpnId, vrfEntry);;
618 nextHopManager.getRemoteNextHopPointer(localDpnId, remoteDpnId, vpnId,
619 vrfEntry.getDestPrefix(),
620 vrfEntry.getNextHopAddress());
621 } catch (NullPointerException e) {
627 protected VpnInstanceOpDataEntry getVpnInstance(String rd) {
628 InstanceIdentifier<VpnInstanceOpDataEntry> id = InstanceIdentifier.create(VpnInstanceOpData.class).child(
629 VpnInstanceOpDataEntry.class, new VpnInstanceOpDataEntryKey(rd));
630 Optional<VpnInstanceOpDataEntry> vpnInstanceOpData = read(LogicalDatastoreType.OPERATIONAL, id);
631 if(vpnInstanceOpData.isPresent()) {
632 return vpnInstanceOpData.get();
637 public void processNodeAdd(BigInteger dpnId) {
638 LOG.debug("Received notification to install TableMiss entries for dpn {} ", dpnId);
639 makeTableMissFlow(dpnId, NwConstants.ADD_FLOW);
640 makeProtocolTableFlow(dpnId, NwConstants.ADD_FLOW);
641 makeL3IntfTblMissFlow(dpnId, NwConstants.ADD_FLOW);
644 private void makeTableMissFlow(BigInteger dpnId, int addOrRemove) {
645 final BigInteger COOKIE_TABLE_MISS = new BigInteger("1030000", 16);
646 // Instruction to goto L3 InterfaceTable
647 List<InstructionInfo> instructions = new ArrayList<InstructionInfo>();
648 instructions.add(new InstructionInfo(InstructionType.goto_table, new long[] { L3_INTERFACE_TABLE }));
649 List<MatchInfo> matches = new ArrayList<MatchInfo>();
650 FlowEntity flowEntityLfib = MDSALUtil.buildFlowEntity(dpnId, L3_LFIB_TABLE,
651 getFlowRef(dpnId, L3_LFIB_TABLE, NwConstants.TABLE_MISS_FLOW),
652 NwConstants.TABLE_MISS_PRIORITY, "Table Miss", 0, 0, COOKIE_TABLE_MISS, matches, instructions);
654 FlowEntity flowEntityFib = MDSALUtil.buildFlowEntity(dpnId,L3_FIB_TABLE, getFlowRef(dpnId, L3_FIB_TABLE, NwConstants.TABLE_MISS_FLOW),
655 NwConstants.TABLE_MISS_PRIORITY, "FIB Table Miss Flow", 0, 0, COOKIE_VM_FIB_TABLE,
656 matches, instructions);
658 if (addOrRemove == NwConstants.ADD_FLOW) {
659 LOG.debug("Invoking MDSAL to install Table Miss Entries");
660 mdsalManager.installFlow(flowEntityLfib);
661 mdsalManager.installFlow(flowEntityFib);
663 mdsalManager.removeFlow(flowEntityLfib);
664 mdsalManager.removeFlow(flowEntityFib);
669 private String getFlowRef(BigInteger dpnId, short tableId, int tableMiss) {
670 return new StringBuffer().append(FLOWID_PREFIX).append(dpnId).append(NwConstants.FLOWID_SEPARATOR)
671 .append(tableId).append(NwConstants.FLOWID_SEPARATOR).append(tableMiss)
672 .append(FLOWID_PREFIX).toString();
676 * Install flow entry in protocol table to forward mpls
677 * coming through gre tunnel to LFIB table.
679 private void makeProtocolTableFlow(BigInteger dpnId, int addOrRemove) {
680 final BigInteger COOKIE_PROTOCOL_TABLE = new BigInteger("1070000", 16);
681 // Instruction to goto L3 InterfaceTable
682 List<InstructionInfo> instructions = new ArrayList<>();
683 instructions.add(new InstructionInfo(InstructionType.goto_table, new long[] {L3_LFIB_TABLE}));
684 List<MatchInfo> matches = new ArrayList<MatchInfo>();
685 matches.add(new MatchInfo(MatchFieldType.eth_type,
686 new long[] { 0x8847L }));
687 FlowEntity flowEntityToLfib = MDSALUtil.buildFlowEntity(dpnId, L3_PROTOCOL_TABLE,
688 getFlowRef(dpnId, L3_PROTOCOL_TABLE,
690 DEFAULT_FIB_FLOW_PRIORITY,
691 "Protocol Table For LFIB",
693 COOKIE_PROTOCOL_TABLE,
694 matches, instructions);
696 if (addOrRemove == NwConstants.ADD_FLOW) {
697 LOG.debug("Invoking MDSAL to install Protocol Entries for dpn {}", dpnId);
698 mdsalManager.installFlow(flowEntityToLfib);
700 mdsalManager.removeFlow(flowEntityToLfib);
704 public List<String> printFibEntries() {
705 List<String> result = new ArrayList<String>();
706 result.add(String.format(" %-7s %-20s %-20s %-7s", "RD", "Prefix", "Nexthop", "Label"));
707 result.add("-------------------------------------------------------------------");
708 InstanceIdentifier<FibEntries> id = InstanceIdentifier.create(FibEntries.class);
709 Optional<FibEntries> fibEntries = read(LogicalDatastoreType.OPERATIONAL, id);
710 if (fibEntries.isPresent()) {
711 List<VrfTables> vrfTables = fibEntries.get().getVrfTables();
712 for (VrfTables vrfTable : vrfTables) {
713 for (VrfEntry vrfEntry : vrfTable.getVrfEntry()) {
714 result.add(String.format(" %-7s %-20s %-20s %-7s", vrfTable.getRouteDistinguisher(),
715 vrfEntry.getDestPrefix(), vrfEntry.getNextHopAddress(), vrfEntry.getLabel()));
722 private void makeL3IntfTblMissFlow(BigInteger dpnId, int addOrRemove) {
723 List<InstructionInfo> instructions = new ArrayList<InstructionInfo>();
724 List<MatchInfo> matches = new ArrayList<MatchInfo>();
725 final BigInteger COOKIE_TABLE_MISS = new BigInteger("1030000", 16);
726 // Instruction to clear metadata except SI and LportTag bits
727 instructions.add(new InstructionInfo(InstructionType.write_metadata, new BigInteger[] {
728 CLEAR_METADATA, METADATA_MASK_CLEAR }));
729 // Instruction to clear action
730 instructions.add(new InstructionInfo(InstructionType.clear_actions));
731 // Instruction to goto L3 InterfaceTable
733 instructions.add(new InstructionInfo(InstructionType.goto_table, new long[] { LPORT_DISPATCHER_TABLE }));
735 FlowEntity flowEntityL3Intf = MDSALUtil.buildFlowEntity(dpnId, L3_INTERFACE_TABLE,
736 getFlowRef(dpnId, L3_INTERFACE_TABLE, NwConstants.TABLE_MISS_FLOW),
737 NwConstants.TABLE_MISS_PRIORITY, "L3 Interface Table Miss", 0, 0, COOKIE_TABLE_MISS, matches, instructions);
738 if (addOrRemove == NwConstants.ADD_FLOW) {
739 LOG.info("Invoking MDSAL to install L3 interface Table Miss Entries");
740 mdsalManager.installFlow(flowEntityL3Intf);
742 mdsalManager.removeFlow(flowEntityL3Intf);