Examples with NextHop org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop used on opensource projects

Example 16 with NextHop

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop in project netvirt by opendaylight.

the class NexthopManager method getVpnNexthop.

protected VpnNexthop getVpnNexthop(long vpnId, String ipAddress) {
    // check if vpn node is there
    InstanceIdentifierBuilder<VpnNexthops> idBuilder = InstanceIdentifier.builder(L3nexthop.class).child(VpnNexthops.class, new VpnNexthopsKey(vpnId));
    InstanceIdentifier<VpnNexthops> id = idBuilder.build();
    Optional<VpnNexthops> vpnNexthops = MDSALUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, id);
    if (vpnNexthops.isPresent()) {
        // get nexthops list for vpn
        List<VpnNexthop> nexthops = vpnNexthops.get().getVpnNexthop();
        for (VpnNexthop nexthop : nexthops) {
            if (nexthop.getIpAddress().equals(ipAddress)) {
                // return nexthop
                LOG.trace("VpnNextHop : {}", nexthop);
                return nexthop;
            }
        }
    // return null if not found
    }
    return null;
}

Example 17 with NextHop

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop in project netvirt by opendaylight.

the class NexthopManager method addVpnNexthopToDS.

protected void addVpnNexthopToDS(BigInteger dpnId, long vpnId, String ipPrefix, long egressPointer) {
    InstanceIdentifierBuilder<VpnNexthops> idBuilder = InstanceIdentifier.builder(L3nexthop.class).child(VpnNexthops.class, new VpnNexthopsKey(vpnId));
    // Add nexthop to vpn node
    VpnNexthop nh = new VpnNexthopBuilder().setKey(new VpnNexthopKey(ipPrefix)).setDpnId(dpnId).setIpAddress(ipPrefix).setFlowrefCount(1).setEgressPointer(egressPointer).build();
    InstanceIdentifier<VpnNexthop> id1 = idBuilder.child(VpnNexthop.class, new VpnNexthopKey(ipPrefix)).build();
    LOG.trace("Adding vpnnextHop {} to Operational DS", nh);
    MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.OPERATIONAL, id1, nh);
}

Example 18 with NextHop

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop in project netvirt by opendaylight.

the class NexthopManager method createLocalNextHop.

public long createLocalNextHop(long vpnId, BigInteger dpnId, String ifName, String ipNextHopAddress, String ipPrefixAddress, String gwMacAddress, String jobKey) {
    String vpnName = fibUtil.getVpnNameFromId(vpnId);
    if (vpnName == null) {
        return 0;
    }
    String macAddress = fibUtil.getMacAddressFromPrefix(ifName, vpnName, ipPrefixAddress);
    String ipAddress = macAddress != null ? ipPrefixAddress : ipNextHopAddress;
    long groupId = createNextHopPointer(getNextHopKey(vpnId, ipAddress));
    if (groupId == 0) {
        LOG.error("Unable to allocate groupId for vpnId {} , prefix {}  IntfName {}, nextHopAddr {}", vpnId, ipAddress, ifName, ipNextHopAddress);
        return groupId;
    }
    String nextHopLockStr = vpnId + ipAddress;
    jobCoordinator.enqueueJob(jobKey, () -> {
        synchronized (nextHopLockStr.intern()) {
            VpnNexthop nexthop = getVpnNexthop(vpnId, ipAddress);
            LOG.trace("nexthop: {} retrieved for vpnId {}, prefix {}, ifName {} on dpn {}", nexthop, vpnId, ipAddress, ifName, dpnId);
            if (nexthop == null) {
                String encMacAddress = macAddress == null ? fibUtil.getMacAddressFromPrefix(ifName, vpnName, ipAddress) : macAddress;
                List<BucketInfo> listBucketInfo = new ArrayList<>();
                List<ActionInfo> listActionInfo = new ArrayList<>();
                int actionKey = 0;
                // MAC re-write
                if (encMacAddress != null) {
                    if (gwMacAddress != null) {
                        LOG.trace("The Local NextHop Group Source Mac {} for VpnInterface {} on VPN {}", gwMacAddress, ifName, vpnId);
                        listActionInfo.add(new ActionSetFieldEthernetSource(actionKey++, new MacAddress(gwMacAddress)));
                    }
                    listActionInfo.add(new ActionSetFieldEthernetDestination(actionKey++, new MacAddress(encMacAddress)));
                // listActionInfo.add(0, new ActionPopMpls());
                } else {
                    // FIXME: Log message here.
                    LOG.debug("mac address for new local nexthop is null");
                }
                listActionInfo.addAll(getEgressActionsForInterface(ifName, actionKey));
                BucketInfo bucket = new BucketInfo(listActionInfo);
                listBucketInfo.add(bucket);
                GroupEntity groupEntity = MDSALUtil.buildGroupEntity(dpnId, groupId, ipAddress, GroupTypes.GroupAll, listBucketInfo);
                LOG.trace("Install LNH Group: id {}, mac address {}, interface {} for prefix {}", groupId, encMacAddress, ifName, ipAddress);
                // Try to install group directly on the DPN bypassing the FRM, in order to avoid waiting for the
                // group to get installed before programming the flows
                installGroupOnDpn(groupId, dpnId, ipAddress, listBucketInfo, getNextHopKey(vpnId, ipAddress), GroupTypes.GroupAll);
                // install Group
                mdsalApiManager.syncInstallGroup(groupEntity);
                // update MD-SAL DS
                addVpnNexthopToDS(dpnId, vpnId, ipAddress, groupId);
            } else {
                // nexthop exists already; a new flow is going to point to
                // it, increment the flowrefCount by 1
                int flowrefCnt = nexthop.getFlowrefCount() + 1;
                VpnNexthop nh = new VpnNexthopBuilder().setKey(new VpnNexthopKey(ipAddress)).setFlowrefCount(flowrefCnt).build();
                LOG.trace("Updating vpnnextHop {} for refCount {} to Operational DS", nh, flowrefCnt);
                MDSALUtil.syncUpdate(dataBroker, LogicalDatastoreType.OPERATIONAL, getVpnNextHopIdentifier(vpnId, ipAddress), nh);
            }
        }
        return Collections.emptyList();
    });
    return groupId;
}

Example 19 with NextHop

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop in project netvirt by opendaylight.

the class VrfEntryListener method manageRemoteRouteOnDPN.

public void manageRemoteRouteOnDPN(final boolean action, final BigInteger localDpnId, final long vpnId, final String rd, final String destPrefix, final String destTepIp, final long label) {
    final VpnInstanceOpDataEntry vpnInstance = fibUtil.getVpnInstance(rd);
    if (vpnInstance == null) {
        LOG.error("VpnInstance for rd {} not present for prefix {}", rd, destPrefix);
        return;
    }
    jobCoordinator.enqueueJob(FibUtil.getJobKeyForVpnIdDpnId(vpnId, localDpnId), () -> Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx -> {
        synchronized (vpnInstance.getVpnInstanceName().intern()) {
            VrfTablesKey vrfTablesKey = new VrfTablesKey(rd);
            VrfEntry vrfEntry = getVrfEntry(dataBroker, rd, destPrefix);
            if (vrfEntry == null) {
                return;
            }
            LOG.trace("manageRemoteRouteOnDPN :: action {}, DpnId {}, vpnId {}, rd {}, destPfx {}", action, localDpnId, vpnId, rd, destPrefix);
            List<RoutePaths> routePathList = vrfEntry.getRoutePaths();
            VrfEntry modVrfEntry;
            if (routePathList == null || routePathList.isEmpty()) {
                modVrfEntry = FibHelper.getVrfEntryBuilder(vrfEntry, label, Collections.singletonList(destTepIp), RouteOrigin.value(vrfEntry.getOrigin()), null).build();
            } else {
                modVrfEntry = vrfEntry;
            }
            if (action) {
                LOG.trace("manageRemoteRouteOnDPN updated(add)  vrfEntry :: {}", modVrfEntry);
                createRemoteFibEntry(localDpnId, vpnId, vrfTablesKey.getRouteDistinguisher(), modVrfEntry, tx);
            } else {
                LOG.trace("manageRemoteRouteOnDPN updated(remove)  vrfEntry :: {}", modVrfEntry);
                List<String> usedRds = VpnExtraRouteHelper.getUsedRds(dataBroker, vpnInstance.getVpnId(), vrfEntry.getDestPrefix());
                if (usedRds.size() > 1) {
                    LOG.debug("The extra route prefix is still present in some DPNs");
                    return;
                }
                // Is this fib route an extra route? If yes, get the nexthop which would be
                // an adjacency in the vpn
                Optional<Routes> extraRouteOptional = Optional.absent();
                if (usedRds.size() != 0) {
                    extraRouteOptional = VpnExtraRouteHelper.getVpnExtraroutes(dataBroker, fibUtil.getVpnNameFromId(vpnInstance.getVpnId()), usedRds.get(0), vrfEntry.getDestPrefix());
                }
                baseVrfEntryHandler.deleteRemoteRoute(null, localDpnId, vpnId, vrfTablesKey, modVrfEntry, extraRouteOptional, tx);
            }
        }
    })));
}

Example 20 with NextHop

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop in project netvirt by opendaylight.

the class VrfEntryListener method deleteFibEntries.

private void deleteFibEntries(final InstanceIdentifier<VrfEntry> identifier, final VrfEntry vrfEntry) {
    final VrfTablesKey vrfTableKey = identifier.firstKeyOf(VrfTables.class);
    final String rd = vrfTableKey.getRouteDistinguisher();
    final VpnInstanceOpDataEntry vpnInstance = fibUtil.getVpnInstance(vrfTableKey.getRouteDistinguisher());
    if (vpnInstance == null) {
        LOG.error("VPN Instance for rd {} is not available from VPN Op Instance Datastore", rd);
        return;
    }
    final Collection<VpnToDpnList> vpnToDpnList;
    if (vrfEntry.getParentVpnRd() != null && FibHelper.isControllerManagedNonSelfImportedRoute(RouteOrigin.value(vrfEntry.getOrigin()))) {
        // This block MUST BE HIT only for PNF (Physical Network Function) FIB Entries.
        VpnInstanceOpDataEntry parentVpnInstance = fibUtil.getVpnInstance(vrfEntry.getParentVpnRd());
        vpnToDpnList = parentVpnInstance != null ? parentVpnInstance.getVpnToDpnList() : vpnInstance.getVpnToDpnList();
        LOG.info("deleteFibEntries: Processing deletion of PNF FIB entry with rd {} prefix {}", vrfEntry.getParentVpnRd(), vrfEntry.getDestPrefix());
    } else {
        vpnToDpnList = vpnInstance.getVpnToDpnList();
    }
    SubnetRoute subnetRoute = vrfEntry.getAugmentation(SubnetRoute.class);
    final java.util.Optional<Long> optionalLabel = FibUtil.getLabelFromRoutePaths(vrfEntry);
    List<String> nextHopAddressList = FibHelper.getNextHopListFromRoutePaths(vrfEntry);
    String vpnName = fibUtil.getVpnNameFromId(vpnInstance.getVpnId());
    if (subnetRoute != null) {
        long elanTag = subnetRoute.getElantag();
        LOG.trace("SUBNETROUTE: deleteFibEntries: SubnetRoute augmented vrfentry found for rd {} prefix {}" + " with elantag {}", rd, vrfEntry.getDestPrefix(), elanTag);
        if (vpnToDpnList != null) {
            jobCoordinator.enqueueJob(FibUtil.getJobKeyForRdPrefix(rd, vrfEntry.getDestPrefix()), () -> Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx -> {
                for (final VpnToDpnList curDpn : vpnToDpnList) {
                    baseVrfEntryHandler.makeConnectedRoute(curDpn.getDpnId(), vpnInstance.getVpnId(), vrfEntry, vrfTableKey.getRouteDistinguisher(), null, NwConstants.DEL_FLOW, tx, null);
                    if (RouteOrigin.value(vrfEntry.getOrigin()) != RouteOrigin.SELF_IMPORTED) {
                        optionalLabel.ifPresent(label -> makeLFibTableEntry(curDpn.getDpnId(), label, null, DEFAULT_FIB_FLOW_PRIORITY, NwConstants.DEL_FLOW, tx));
                    }
                    installSubnetBroadcastAddrDropRule(curDpn.getDpnId(), rd, vpnInstance.getVpnId(), vrfEntry, NwConstants.DEL_FLOW, tx);
                }
            })));
        }
        optionalLabel.ifPresent(label -> {
            synchronized (label.toString().intern()) {
                LabelRouteInfo lri = getLabelRouteInfo(label);
                if (isPrefixAndNextHopPresentInLri(vrfEntry.getDestPrefix(), nextHopAddressList, lri)) {
                    Optional<VpnInstanceOpDataEntry> vpnInstanceOpDataEntryOptional = fibUtil.getVpnInstanceOpData(rd);
                    String vpnInstanceName = "";
                    if (vpnInstanceOpDataEntryOptional.isPresent()) {
                        vpnInstanceName = vpnInstanceOpDataEntryOptional.get().getVpnInstanceName();
                    }
                    boolean lriRemoved = this.deleteLabelRouteInfo(lri, vpnInstanceName, null);
                    if (lriRemoved) {
                        String parentRd = lri.getParentVpnRd();
                        fibUtil.releaseId(FibConstants.VPN_IDPOOL_NAME, FibUtil.getNextHopLabelKey(parentRd, vrfEntry.getDestPrefix()));
                        LOG.trace("SUBNETROUTE: deleteFibEntries: Released subnetroute label {} for rd {} prefix {}" + " as labelRouteInfo cleared", label, rd, vrfEntry.getDestPrefix());
                    }
                } else {
                    fibUtil.releaseId(FibConstants.VPN_IDPOOL_NAME, FibUtil.getNextHopLabelKey(rd, vrfEntry.getDestPrefix()));
                    LOG.trace("SUBNETROUTE: deleteFibEntries: Released subnetroute label {} for rd {} prefix {}", label, rd, vrfEntry.getDestPrefix());
                }
            }
        });
        return;
    }
    final List<BigInteger> localDpnIdList = deleteLocalFibEntry(vpnInstance.getVpnId(), vrfTableKey.getRouteDistinguisher(), vrfEntry);
    if (vpnToDpnList != null) {
        List<String> usedRds = VpnExtraRouteHelper.getUsedRds(dataBroker, vpnInstance.getVpnId(), vrfEntry.getDestPrefix());
        String jobKey;
        Optional<Routes> extraRouteOptional;
        // Is this fib route an extra route? If yes, get the nexthop which would be an adjacency in the vpn
        if (usedRds != null && !usedRds.isEmpty()) {
            jobKey = FibUtil.getJobKeyForRdPrefix(usedRds.get(0), vrfEntry.getDestPrefix());
            if (usedRds.size() > 1) {
                LOG.error("The extra route prefix is still present in some DPNs");
                return;
            } else {
                // The first rd is retrieved from usedrds as Only 1 rd would be present as extra route prefix
                // is not present in any other DPN
                extraRouteOptional = VpnExtraRouteHelper.getVpnExtraroutes(dataBroker, vpnName, usedRds.get(0), vrfEntry.getDestPrefix());
            }
        } else {
            jobKey = FibUtil.getJobKeyForRdPrefix(rd, vrfEntry.getDestPrefix());
            extraRouteOptional = Optional.absent();
        }
        jobCoordinator.enqueueJob(jobKey, () -> {
            WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
            if (localDpnIdList.size() <= 0) {
                for (VpnToDpnList curDpn : vpnToDpnList) {
                    baseVrfEntryHandler.deleteRemoteRoute(BigInteger.ZERO, curDpn.getDpnId(), vpnInstance.getVpnId(), vrfTableKey, vrfEntry, extraRouteOptional, tx);
                }
            } else {
                for (BigInteger localDpnId : localDpnIdList) {
                    for (VpnToDpnList curDpn : vpnToDpnList) {
                        if (!curDpn.getDpnId().equals(localDpnId)) {
                            baseVrfEntryHandler.deleteRemoteRoute(localDpnId, curDpn.getDpnId(), vpnInstance.getVpnId(), vrfTableKey, vrfEntry, extraRouteOptional, tx);
                        }
                    }
                }
            }
            List<ListenableFuture<Void>> futures = new ArrayList<>();
            futures.add(tx.submit());
            return futures;
        }, MAX_RETRIES);
    }
    // The flow/group entry has been deleted from config DS; need to clean up associated operational
    // DS entries in VPN Op DS, VpnInstanceOpData and PrefixToInterface to complete deletion
    cleanUpOpDataForFib(vpnInstance.getVpnId(), vrfTableKey.getRouteDistinguisher(), vrfEntry);
    // Remove all fib entries configured due to interVpnLink, when nexthop is the opposite endPoint
    // of the interVpnLink.
    Optional<String> optVpnUuid = fibUtil.getVpnNameFromRd(rd);
    if (optVpnUuid.isPresent()) {
        String vpnUuid = optVpnUuid.get();
        FibUtil.getFirstNextHopAddress(vrfEntry).ifPresent(routeNexthop -> {
            Optional<InterVpnLinkDataComposite> optInterVpnLink = interVpnLinkCache.getInterVpnLinkByVpnId(vpnUuid);
            if (optInterVpnLink.isPresent()) {
                InterVpnLinkDataComposite interVpnLink = optInterVpnLink.get();
                if (interVpnLink.isIpAddrTheOtherVpnEndpoint(routeNexthop, vpnUuid)) {
                    // This is route that points to the other endpoint of an InterVpnLink
                    // In that case, we should look for the FIB table pointing to
                    // LPortDispatcher table and remove it.
                    removeInterVPNLinkRouteFlows(interVpnLink, vpnUuid, vrfEntry);
                }
            }
        });
    }
}