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Example 21 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 deleteLocalFibEntry.

public List<BigInteger> deleteLocalFibEntry(Long vpnId, String rd, VrfEntry vrfEntry) {
    List<BigInteger> returnLocalDpnId = new ArrayList<>();
    Prefixes localNextHopInfo = fibUtil.getPrefixToInterface(vpnId, vrfEntry.getDestPrefix());
    String vpnName = fibUtil.getVpnNameFromId(vpnId);
    boolean isExtraroute = false;
    if (localNextHopInfo == null) {
        List<String> usedRds = VpnExtraRouteHelper.getUsedRds(dataBroker, vpnId, vrfEntry.getDestPrefix());
        if (usedRds.size() > 1) {
            LOG.error("The extra route prefix {} is still present in some DPNs in vpn {} on rd {}", vrfEntry.getDestPrefix(), vpnName, rd);
            return returnLocalDpnId;
        }
        // Is this fib route an extra route? If yes, get the nexthop which would be an adjacency
        // in the vpn
        Optional<Routes> extraRouteOptional = VpnExtraRouteHelper.getVpnExtraroutes(dataBroker, vpnName, rd, vrfEntry.getDestPrefix());
        if (extraRouteOptional.isPresent()) {
            isExtraroute = true;
            Routes extraRoute = extraRouteOptional.get();
            String ipPrefix;
            if (isIpv4Address(extraRoute.getNexthopIpList().get(0))) {
                ipPrefix = extraRoute.getNexthopIpList().get(0) + NwConstants.IPV4PREFIX;
            } else {
                ipPrefix = extraRoute.getNexthopIpList().get(0) + NwConstants.IPV6PREFIX;
            }
            localNextHopInfo = fibUtil.getPrefixToInterface(vpnId, ipPrefix);
            if (localNextHopInfo != null) {
                String localNextHopIP = localNextHopInfo.getIpAddress();
                BigInteger dpnId = checkDeleteLocalFibEntry(localNextHopInfo, localNextHopIP, vpnId, rd, vrfEntry, isExtraroute, vpnId);
                if (!dpnId.equals(BigInteger.ZERO)) {
                    LOG.trace("Deleting ECMP group for prefix {}, dpn {}", vrfEntry.getDestPrefix(), dpnId);
                    nextHopManager.setupLoadBalancingNextHop(vpnId, dpnId, vrfEntry.getDestPrefix(), /*listBucketInfo*/
                    Collections.emptyList(), /*remove*/
                    false);
                    returnLocalDpnId.add(dpnId);
                }
            } else {
                LOG.error("localNextHopInfo unavailable while deleting prefix {} with rds {}, primary rd {} in " + "vpn {}", vrfEntry.getDestPrefix(), usedRds, rd, vpnName);
            }
        }
        if (localNextHopInfo == null) {
            /* Imported VRF entry */
            java.util.Optional<Long> optionalLabel = FibUtil.getLabelFromRoutePaths(vrfEntry);
            if (optionalLabel.isPresent()) {
                Long label = optionalLabel.get();
                List<String> nextHopAddressList = FibHelper.getNextHopListFromRoutePaths(vrfEntry);
                LabelRouteInfo lri = getLabelRouteInfo(label);
                if (isPrefixAndNextHopPresentInLri(vrfEntry.getDestPrefix(), nextHopAddressList, lri)) {
                    PrefixesBuilder prefixBuilder = new PrefixesBuilder();
                    prefixBuilder.setDpnId(lri.getDpnId());
                    BigInteger dpnId = checkDeleteLocalFibEntry(prefixBuilder.build(), nextHopAddressList.get(0), vpnId, rd, vrfEntry, isExtraroute, lri.getParentVpnid());
                    if (!dpnId.equals(BigInteger.ZERO)) {
                        returnLocalDpnId.add(dpnId);
                    }
                }
            }
        }
    } else {
        LOG.debug("Obtained prefix to interface for rd {} prefix {}", rd, vrfEntry.getDestPrefix());
        String localNextHopIP = localNextHopInfo.getIpAddress();
        BigInteger dpnId = checkDeleteLocalFibEntry(localNextHopInfo, localNextHopIP, vpnId, rd, vrfEntry, isExtraroute, vpnId);
        if (!dpnId.equals(BigInteger.ZERO)) {
            returnLocalDpnId.add(dpnId);
        }
    }
    return returnLocalDpnId;
}
Also used : LabelRouteInfo(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.label.route.map.LabelRouteInfo) CopyOnWriteArrayList(java.util.concurrent.CopyOnWriteArrayList) ArrayList(java.util.ArrayList) Routes(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.vpn.extra.routes.Routes) Prefixes(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.prefix.to._interface.vpn.ids.Prefixes) PrefixesBuilder(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.prefix.to._interface.vpn.ids.PrefixesBuilder) BigInteger(java.math.BigInteger)

Example 22 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 removeInterVPNLinkRouteFlows.

public void removeInterVPNLinkRouteFlows(final InterVpnLinkDataComposite interVpnLink, final String vpnName, final VrfEntry vrfEntry) {
    Preconditions.checkArgument(vrfEntry.getRoutePaths() != null && vrfEntry.getRoutePaths().size() == 1);
    String interVpnLinkName = interVpnLink.getInterVpnLinkName();
    List<BigInteger> targetDpns = interVpnLink.getEndpointDpnsByVpnName(vpnName);
    if (targetDpns.isEmpty()) {
        LOG.warn("Could not find DPNs for VPN {} in InterVpnLink {}", vpnName, interVpnLinkName);
        return;
    }
    java.util.Optional<String> optNextHop = FibUtil.getFirstNextHopAddress(vrfEntry);
    java.util.Optional<Long> optLabel = FibUtil.getLabelFromRoutePaths(vrfEntry);
    // delete from FIB
    // 
    optNextHop.ifPresent(nextHop -> {
        String flowRef = getInterVpnFibFlowRef(interVpnLinkName, vrfEntry.getDestPrefix(), nextHop);
        FlowKey flowKey = new FlowKey(new FlowId(flowRef));
        Flow flow = new FlowBuilder().setKey(flowKey).setId(new FlowId(flowRef)).setTableId(NwConstants.L3_FIB_TABLE).setFlowName(flowRef).build();
        LOG.trace("Removing flow in FIB table for interVpnLink {} key {}", interVpnLinkName, flowRef);
        for (BigInteger dpId : targetDpns) {
            LOG.debug("Removing flow: VrfEntry=[prefix={} nexthop={}] dpn {} for InterVpnLink {} in FIB", vrfEntry.getDestPrefix(), nextHop, dpId, interVpnLinkName);
            mdsalManager.removeFlow(dpId, flow);
        }
    });
    // delete from LFIB
    // 
    optLabel.ifPresent(label -> {
        LOG.trace("Removing flow in FIB table for interVpnLink {}", interVpnLinkName);
        WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
        for (BigInteger dpId : targetDpns) {
            LOG.debug("Removing flow: VrfEntry=[prefix={} label={}] dpn {} for InterVpnLink {} in LFIB", vrfEntry.getDestPrefix(), label, dpId, interVpnLinkName);
            makeLFibTableEntry(dpId, label, /*instructions*/
            null, LFIB_INTERVPN_PRIORITY, NwConstants.DEL_FLOW, tx);
        }
        tx.submit();
    });
}
Also used : FlowId(org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId) WriteTransaction(org.opendaylight.controller.md.sal.binding.api.WriteTransaction) FlowKey(org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey) FlowBuilder(org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder) BigInteger(java.math.BigInteger) Flow(org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow)

Example 23 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 addTunnelInterfaceActions.

protected void addTunnelInterfaceActions(AdjacencyResult adjacencyResult, long vpnId, VrfEntry vrfEntry, List<ActionInfo> actionInfos, String rd) {
    Class<? extends TunnelTypeBase> tunnelType = VpnExtraRouteHelper.getTunnelType(nextHopManager.getInterfaceManager(), adjacencyResult.getInterfaceName());
    if (tunnelType == null) {
        LOG.debug("Tunnel type not found for vrfEntry {}", vrfEntry);
        return;
    }
    // TODO - For now have added routePath into adjacencyResult so that we know for which
    // routePath this result is built for. If this is not possible construct a map which does
    // the same.
    String nextHopIp = adjacencyResult.getNextHopIp();
    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();
    BigInteger tunnelId = null;
    Prefixes prefixInfo = null;
    // revisit
    if (tunnelType.equals(TunnelTypeVxlan.class)) {
        prefixInfo = fibUtil.getPrefixToInterface(vpnId, vrfEntry.getDestPrefix());
        // For extra route, the prefixInfo is fetched from the primary adjacency
        if (prefixInfo == null) {
            prefixInfo = fibUtil.getPrefixToInterface(vpnId, adjacencyResult.getPrefix());
        }
        // Internet VPN VNI will be used as tun_id for NAT use-cases
        if (Prefixes.PrefixCue.Nat.equals(prefixInfo.getPrefixCue())) {
            if (vrfEntry.getL3vni() != null && vrfEntry.getL3vni() != 0) {
                tunnelId = BigInteger.valueOf(vrfEntry.getL3vni());
            }
        } else {
            if (fibUtil.enforceVxlanDatapathSemanticsforInternalRouterVpn(prefixInfo.getSubnetId(), vpnId, rd)) {
                java.util.Optional<Long> optionalVni = fibUtil.getVniForVxlanNetwork(prefixInfo.getSubnetId());
                if (!optionalVni.isPresent()) {
                    LOG.error("VNI not found for nexthop {} vrfEntry {} with subnetId {}", nextHopIp, vrfEntry, prefixInfo.getSubnetId());
                    return;
                }
                tunnelId = BigInteger.valueOf(optionalVni.get());
            } else {
                tunnelId = BigInteger.valueOf(label);
            }
        }
    } else {
        tunnelId = BigInteger.valueOf(label);
    }
    LOG.debug("adding set tunnel id action for label {}", label);
    actionInfos.add(new ActionSetFieldTunnelId(tunnelId));
    addRewriteDstMacAction(vpnId, vrfEntry, prefixInfo, actionInfos);
}
Also used : BigInteger(java.math.BigInteger) Prefixes(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.prefix.to._interface.vpn.ids.Prefixes) ActionSetFieldTunnelId(org.opendaylight.genius.mdsalutil.actions.ActionSetFieldTunnelId)

Example 24 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 EvpnVrfEntryHandler method createLocalEvpnFlows.

private List<BigInteger> createLocalEvpnFlows(long vpnId, String rd, VrfEntry vrfEntry, Prefixes localNextHopInfo) {
    List<BigInteger> returnLocalDpnId = new ArrayList<>();
    String localNextHopIP = vrfEntry.getDestPrefix();
    if (localNextHopInfo == null) {
        // Handle extra routes and imported routes
        Routes extraRoute = getVpnToExtraroute(vpnId, rd, vrfEntry.getDestPrefix());
        if (extraRoute != null) {
            for (String nextHopIp : extraRoute.getNexthopIpList()) {
                LOG.info("NextHop IP for destination {} is {}", vrfEntry.getDestPrefix(), nextHopIp);
                if (nextHopIp != null) {
                    localNextHopInfo = getFibUtil().getPrefixToInterface(vpnId, nextHopIp + "/32");
                    if (localNextHopInfo != null) {
                        localNextHopIP = nextHopIp + "/32";
                        BigInteger dpnId = checkCreateLocalEvpnFlows(localNextHopInfo, localNextHopIP, vpnId, rd, vrfEntry);
                        returnLocalDpnId.add(dpnId);
                    }
                }
            }
        }
    } else {
        LOG.info("Creating local EVPN flows for prefix {} rd {} route-paths {} evi {}.", vrfEntry.getDestPrefix(), rd, vrfEntry.getRoutePaths(), vrfEntry.getL3vni());
        BigInteger dpnId = checkCreateLocalEvpnFlows(localNextHopInfo, localNextHopIP, vpnId, rd, vrfEntry);
        returnLocalDpnId.add(dpnId);
    }
    return returnLocalDpnId;
}
Also used : ArrayList(java.util.ArrayList) BigInteger(java.math.BigInteger) Routes(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.vpn.extra.routes.Routes)

Example 25 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 VpnUtil method findVrfEntriesByNexthop.

public static List<VrfEntry> findVrfEntriesByNexthop(DataBroker broker, String rd, String nexthop) {
    InstanceIdentifier<VrfTables> vpnVrfTableIid = InstanceIdentifier.builder(FibEntries.class).child(VrfTables.class, new VrfTablesKey(rd)).build();
    Optional<VrfTables> vrfTablesOpc = read(broker, LogicalDatastoreType.CONFIGURATION, vpnVrfTableIid);
    List<VrfEntry> matches = new ArrayList<>();
    if (vrfTablesOpc.isPresent()) {
        VrfTables vrfTables = vrfTablesOpc.get();
        for (VrfEntry vrfEntry : vrfTables.getVrfEntry()) {
            vrfEntry.getRoutePaths().stream().filter(routePath -> routePath.getNexthopAddress() != null && routePath.getNexthopAddress().equals(nexthop)).findFirst().ifPresent(routePath -> matches.add(vrfEntry));
        }
    }
    return matches;
}
Also used : VrfTablesKey(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTablesKey) VrfEntry(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry) VrfTables(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTables) ArrayList(java.util.ArrayList)

Aggregations

ArrayList (java.util.ArrayList)35 BigInteger (java.math.BigInteger)26 VrfEntry (org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry)26 VpnInstanceOpDataEntry (org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry)22 Ipv4Address (org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address)18 Adjacency (org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.Adjacency)18 Test (org.junit.Test)17 VrfTablesKey (org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTablesKey)17 AttributesBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.AttributesBuilder)15 ExecutionException (java.util.concurrent.ExecutionException)13 UpdateBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.UpdateBuilder)13 Ipv4NextHopCaseBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCaseBuilder)13 Ipv4NextHopBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.ipv4.next.hop._case.Ipv4NextHopBuilder)13 FibEntries (org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.FibEntries)12 Routes (org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.to.extraroutes.vpn.extra.routes.Routes)12 WriteTransaction (org.opendaylight.controller.md.sal.binding.api.WriteTransaction)11 AsPathBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.attributes.AsPathBuilder)11 OriginBuilder (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.attributes.OriginBuilder)11 Uuid (org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid)10 VrfEntryKey (org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntryKey)10