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

Example 91 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 installIVpnLinkSwitchingFlows.

/*
     * Installs the flows in FIB table that, for a given route, do the switching from one VPN to the other.
     */
private void installIVpnLinkSwitchingFlows(final InterVpnLinkDataComposite interVpnLink, final String vpnUuid, final VrfEntry vrfEntry, long vpnTag) {
    Preconditions.checkNotNull(interVpnLink, "InterVpnLink cannot be null");
    Preconditions.checkArgument(vrfEntry.getRoutePaths() != null && vrfEntry.getRoutePaths().size() == 1);
    String destination = vrfEntry.getDestPrefix();
    String nextHop = vrfEntry.getRoutePaths().get(0).getNexthopAddress();
    String interVpnLinkName = interVpnLink.getInterVpnLinkName();
    // using as metadata the LPortTag associated to that vpn in the inter-vpn-link.
    if (interVpnLink.getState().or(State.Error) != State.Active) {
        LOG.warn("Route to {} with nexthop={} cannot be installed because the interVpnLink {} is not active", destination, nextHop, interVpnLinkName);
        return;
    }
    Optional<Long> optOtherEndpointLportTag = interVpnLink.getOtherEndpointLportTagByVpnName(vpnUuid);
    if (!optOtherEndpointLportTag.isPresent()) {
        LOG.warn("Could not find suitable LportTag for the endpoint opposite to vpn {} in interVpnLink {}", vpnUuid, interVpnLinkName);
        return;
    }
    List<BigInteger> targetDpns = interVpnLink.getEndpointDpnsByVpnName(vpnUuid);
    if (targetDpns.isEmpty()) {
        LOG.warn("Could not find DPNs for endpoint opposite to vpn {} in interVpnLink {}", vpnUuid, interVpnLinkName);
        return;
    }
    String[] values = destination.split("/");
    String destPrefixIpAddress = values[0];
    int prefixLength = values.length == 1 ? 0 : Integer.parseInt(values[1]);
    List<MatchInfo> matches = new ArrayList<>();
    matches.add(new MatchMetadata(MetaDataUtil.getVpnIdMetadata(vpnTag), MetaDataUtil.METADATA_MASK_VRFID));
    matches.add(MatchEthernetType.IPV4);
    if (prefixLength != 0) {
        matches.add(new MatchIpv4Destination(destPrefixIpAddress, Integer.toString(prefixLength)));
    }
    List<Instruction> instructions = Arrays.asList(new InstructionWriteMetadata(MetaDataUtil.getMetaDataForLPortDispatcher(optOtherEndpointLportTag.get().intValue(), ServiceIndex.getIndex(NwConstants.L3VPN_SERVICE_NAME, NwConstants.L3VPN_SERVICE_INDEX)), MetaDataUtil.getMetaDataMaskForLPortDispatcher()).buildInstruction(0), new InstructionGotoTable(NwConstants.L3_INTERFACE_TABLE).buildInstruction(1));
    int priority = DEFAULT_FIB_FLOW_PRIORITY + prefixLength;
    String flowRef = getInterVpnFibFlowRef(interVpnLinkName, destination, nextHop);
    Flow flowEntity = MDSALUtil.buildFlowNew(NwConstants.L3_FIB_TABLE, flowRef, priority, flowRef, 0, 0, COOKIE_VM_FIB_TABLE, matches, instructions);
    LOG.trace("Installing flow in FIB table for vpn {} interVpnLink {} nextHop {} key {}", vpnUuid, interVpnLink.getInterVpnLinkName(), nextHop, flowRef);
    for (BigInteger dpId : targetDpns) {
        LOG.debug("Installing flow: VrfEntry=[prefix={} route-paths={}] dpn {} for InterVpnLink {} in FIB", vrfEntry.getDestPrefix(), vrfEntry.getRoutePaths(), dpId, interVpnLink.getInterVpnLinkName());
        mdsalManager.installFlow(dpId, flowEntity);
    }
}

Example 92 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 BaseVrfEntryHandler method resolveAdjacency.

@Nonnull
protected List<AdjacencyResult> resolveAdjacency(final BigInteger remoteDpnId, final long vpnId, final VrfEntry vrfEntry, String rd) {
    List<RoutePaths> routePaths = vrfEntry.getRoutePaths();
    FibHelper.sortIpAddress(routePaths);
    List<AdjacencyResult> adjacencyList = new ArrayList<>();
    List<String> prefixIpList;
    LOG.trace("resolveAdjacency called with remotedDpnId {}, vpnId{}, VrfEntry {}", remoteDpnId, vpnId, vrfEntry);
    try {
        if (RouteOrigin.value(vrfEntry.getOrigin()) != RouteOrigin.BGP) {
            List<String> usedRds = VpnExtraRouteHelper.getUsedRds(dataBroker, vpnId, vrfEntry.getDestPrefix());
            List<Routes> vpnExtraRoutes = VpnExtraRouteHelper.getAllVpnExtraRoutes(dataBroker, fibUtil.getVpnNameFromId(vpnId), usedRds, vrfEntry.getDestPrefix());
            if (vpnExtraRoutes.isEmpty()) {
                Prefixes prefixInfo = fibUtil.getPrefixToInterface(vpnId, vrfEntry.getDestPrefix());
                // We don't want to provide an adjacencyList for an extra-route-prefix.
                if (prefixInfo == null) {
                    LOG.debug("The extra route {} in rd {} for vpn {} has been removed from all the next hops", vrfEntry.getDestPrefix(), rd, vpnId);
                    return adjacencyList;
                }
                prefixIpList = Collections.singletonList(vrfEntry.getDestPrefix());
            } else {
                List<String> prefixIpListLocal = new ArrayList<>();
                vpnExtraRoutes.stream().forEach(route -> {
                    route.getNexthopIpList().stream().forEach(extraRouteIp -> {
                        String ipPrefix;
                        if (isIpv4Address(extraRouteIp)) {
                            ipPrefix = extraRouteIp + NwConstants.IPV4PREFIX;
                        } else {
                            ipPrefix = extraRouteIp + NwConstants.IPV6PREFIX;
                        }
                        prefixIpListLocal.add(ipPrefix);
                    });
                });
                prefixIpList = prefixIpListLocal;
            }
        } else {
            prefixIpList = Collections.singletonList(vrfEntry.getDestPrefix());
        }
        for (String prefixIp : prefixIpList) {
            if (routePaths == null || routePaths.isEmpty()) {
                LOG.trace("Processing Destination IP {} without NextHop IP", prefixIp);
                AdjacencyResult adjacencyResult = nextHopManager.getRemoteNextHopPointer(remoteDpnId, vpnId, prefixIp, null);
                addAdjacencyResultToList(adjacencyList, adjacencyResult);
                continue;
            }
            adjacencyList.addAll(routePaths.stream().map(routePath -> {
                LOG.debug("NextHop IP for destination {} is {}", prefixIp, routePath.getNexthopAddress());
                return nextHopManager.getRemoteNextHopPointer(remoteDpnId, vpnId, prefixIp, routePath.getNexthopAddress());
            }).filter(adjacencyResult -> adjacencyResult != null && !adjacencyList.contains(adjacencyResult)).distinct().collect(toList()));
        }
    } catch (NullPointerException e) {
        LOG.trace("", e);
    }
    return adjacencyList;
}

Example 93 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 BgpRouteVrfEntryHandler method deleteFibEntries.

/*
      Please note that the following deleteFibEntries will be invoked only for BGP Imported Routes.
      The invocation of the following method is via delete() callback from the MDSAL Batching Infrastructure
      provided by ResourceBatchingManager
     */
private void deleteFibEntries(WriteTransaction writeTx, final InstanceIdentifier<VrfEntry> identifier, final VrfEntry vrfEntry, List<SubTransaction> subTxns) {
    final VrfTablesKey vrfTableKey = identifier.firstKeyOf(VrfTables.class);
    String rd = vrfTableKey.getRouteDistinguisher();
    final VpnInstanceOpDataEntry vpnInstance = getFibUtil().getVpnInstance(vrfTableKey.getRouteDistinguisher());
    if (vpnInstance == null) {
        LOG.debug("VPN Instance for rd {} is not available from VPN Op Instance Datastore", rd);
        return;
    }
    String vpnName = getFibUtil().getVpnNameFromId(vpnInstance.getVpnId());
    final Collection<VpnToDpnList> vpnToDpnList = vpnInstance.getVpnToDpnList();
    if (vpnToDpnList != null) {
        List<String> usedRds = VpnExtraRouteHelper.getUsedRds(dataBroker, vpnInstance.getVpnId(), vrfEntry.getDestPrefix());
        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()) {
            if (usedRds.size() > 1) {
                LOG.error("The extra route prefix is still present in some DPNs");
                return;
            } else {
                extraRouteOptional = VpnExtraRouteHelper.getVpnExtraroutes(dataBroker, vpnName, usedRds.get(0), vrfEntry.getDestPrefix());
            }
        } else {
            extraRouteOptional = Optional.absent();
        }
        for (VpnToDpnList curDpn : vpnToDpnList) {
            if (curDpn.getDpnState() == VpnToDpnList.DpnState.Active) {
                deleteRemoteRoute(BigInteger.ZERO, curDpn.getDpnId(), vpnInstance.getVpnId(), vrfTableKey, vrfEntry, extraRouteOptional, writeTx, subTxns);
            }
        }
    }
}

Example 94 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 BgpRouteVrfEntryHandler method addTunnelInterfaceActions.

@Override
protected void addTunnelInterfaceActions(NexthopManager.AdjacencyResult adjacencyResult, long vpnId, VrfEntry vrfEntry, List<ActionInfo> actionInfos, String rd) {
    Class<? extends TunnelTypeBase> tunnelType = VpnExtraRouteHelper.getTunnelType(getNextHopManager().getInterfaceManager(), adjacencyResult.getInterfaceName());
    if (tunnelType == null) {
        LOG.debug("Tunnel type not found for vrfEntry {}", vrfEntry);
        return;
    }
    String nextHopIp = adjacencyResult.getNextHopIp();
    if (tunnelType.equals(TunnelTypeMplsOverGre.class)) {
        java.util.Optional<Long> optionalLabel = FibUtil.getLabelForNextHop(vrfEntry, nextHopIp);
        if (!optionalLabel.isPresent()) {
            LOG.warn("NextHopIp {} not found in vrfEntry {}", nextHopIp, vrfEntry);
            return;
        }
        long label = optionalLabel.get();
        LOG.debug("addTunnelInterfaceActions: Push label action for prefix {} rd {} l3vni {} nextHop {}", vrfEntry.getDestPrefix(), rd, vrfEntry.getL3vni(), nextHopIp);
        actionInfos.add(new ActionPushMpls());
        actionInfos.add(new ActionSetFieldMplsLabel(label));
        actionInfos.add(new ActionNxLoadInPort(BigInteger.ZERO));
    } else if (tunnelType.equals(TunnelTypeVxlan.class)) {
        actionInfos.add(new ActionSetFieldTunnelId(BigInteger.valueOf(vrfEntry.getL3vni())));
        LOG.debug("addTunnelInterfaceActions: adding set tunnel id action for prefix {} rd {} l3vni {}" + " nextHop {} ", vrfEntry.getDestPrefix(), rd, vrfEntry.getL3vni(), nextHopIp);
        addRewriteDstMacAction(vpnId, vrfEntry, null, /*prefixInfo*/
        actionInfos);
    }
}

Example 95 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 BgpManagerTestImpl method addPrefix.

public void addPrefix(String rd, String macAddress, String pfx, List<String> nhList, VrfEntry.EncapType encapType, long lbl, long l3vni, long l2vni, String gatewayMac) throws TransactionCommitFailedException {
    for (String nh : nhList) {
        Ipv4Address nexthop = nh != null ? new Ipv4Address(nh) : null;
        Long label = lbl;
        InstanceIdentifier<Networks> iid = InstanceIdentifier.builder(Bgp.class).child(Networks.class, new NetworksKey(pfx, rd)).build();
        NetworksBuilder networksBuilder = new NetworksBuilder().setRd(rd).setPrefixLen(pfx).setNexthop(nexthop).setLabel(label).setEthtag(0L);
        buildVpnEncapSpecificInfo(networksBuilder, encapType, label, l3vni, l2vni, macAddress, gatewayMac);
        singleTxdataBroker.syncWrite(LogicalDatastoreType.CONFIGURATION, iid, networksBuilder.build());
    }
}