Examples with Instructions org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Instructions used on opensource projects

Example 16 with Instructions

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Instructions 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();
    });
}

Example 17 with Instructions

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Instructions in project netvirt by opendaylight.

the class EvpnVrfEntryHandler method createRemoteFibEntry.

private void createRemoteFibEntry(final BigInteger remoteDpnId, final long vpnId, final VrfTablesKey vrfTableKey, final VrfEntry vrfEntry, boolean isNatPrefix, WriteTransaction tx) {
    String rd = vrfTableKey.getRouteDistinguisher();
    List<SubTransaction> subTxns = new ArrayList<>();
    LOG.debug("createremotefibentry: adding route {} for rd {} with transaction {}", vrfEntry.getDestPrefix(), rd, tx);
    List<NexthopManager.AdjacencyResult> tunnelInterfaceList = resolveAdjacency(remoteDpnId, vpnId, vrfEntry, rd);
    if (tunnelInterfaceList.isEmpty()) {
        LOG.error("Could not get interface for route-paths: {} in vpn {}", vrfEntry.getRoutePaths(), rd);
        LOG.warn("Failed to add Route: {} in vpn: {}", vrfEntry.getDestPrefix(), rd);
        return;
    }
    for (NexthopManager.AdjacencyResult adjacencyResult : tunnelInterfaceList) {
        List<ActionInfo> actionInfos = new ArrayList<>();
        BigInteger tunnelId;
        String prefix = adjacencyResult.getPrefix();
        Prefixes prefixInfo = getFibUtil().getPrefixToInterface(vpnId, prefix);
        String interfaceName = prefixInfo.getVpnInterfaceName();
        if (vrfEntry.getOrigin().equals(RouteOrigin.BGP.getValue()) || isNatPrefix) {
            tunnelId = BigInteger.valueOf(vrfEntry.getL3vni());
        } else if (elanManager.isOpenStackVniSemanticsEnforced()) {
            tunnelId = BigInteger.valueOf(getFibUtil().getVniForVxlanNetwork(prefixInfo.getSubnetId()).get());
        } else {
            Interface interfaceState = getFibUtil().getInterfaceStateFromOperDS(interfaceName);
            tunnelId = BigInteger.valueOf(interfaceState.getIfIndex());
        }
        LOG.debug("adding set tunnel id action for label {}", tunnelId);
        String macAddress = null;
        String vpnName = getFibUtil().getVpnNameFromId(vpnId);
        if (vpnName == null) {
            LOG.debug("Failed to get VPN name for vpnId {}", vpnId);
            return;
        }
        if (interfaceName != null) {
            macAddress = getFibUtil().getMacAddressFromPrefix(interfaceName, vpnName, prefix);
            actionInfos.add(new ActionSetFieldEthernetDestination(new MacAddress(macAddress)));
        }
        actionInfos.add(new ActionSetFieldTunnelId(tunnelId));
        List<ActionInfo> egressActions = nexthopManager.getEgressActionsForInterface(adjacencyResult.getInterfaceName(), actionInfos.size());
        if (egressActions.isEmpty()) {
            LOG.error("Failed to retrieve egress action for prefix {} route-paths {} interface {}." + " Aborting remote FIB entry creation..", vrfEntry.getDestPrefix(), vrfEntry.getRoutePaths(), adjacencyResult.getInterfaceName());
            return;
        }
        actionInfos.addAll(egressActions);
        List<InstructionInfo> instructions = new ArrayList<>();
        instructions.add(new InstructionApplyActions(actionInfos));
        makeConnectedRoute(remoteDpnId, vpnId, vrfEntry, rd, instructions, NwConstants.ADD_FLOW, tx, subTxns);
    }
    LOG.debug("Successfully added FIB entry for prefix {} in rd {}", vrfEntry.getDestPrefix(), rd);
}

Example 18 with Instructions

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Instructions in project netvirt by opendaylight.

the class ElanServiceChainUtils method programLPortDispatcherFromScf.

/**
 * This flow is in charge of handling packets coming from the SCF Pipeline
 * when there is no matching ServiceChain.
 * <ul>
 *  <li> Matches on ElanPseudoPortTag and SI=3 (ELAN)</li>
 *  <li> Sets elanTag and sends to DMAC table</li>
 * </ul>
 * @param dpnId Dpn Id where the flow must be installed
 * @param elanLportTag the Elan Pseudo Lport Id to be used in the Dataplane
 * @param elanTag the Elan Id to be used in the Dataplane
 * @param addOrRemove States if the flow must be added or removed
 */
public static void programLPortDispatcherFromScf(IMdsalApiManager mdsalManager, BigInteger dpnId, int elanLportTag, long elanTag, int addOrRemove) {
    LOG.info("L2-ServiceChaining: programLPortDispatcherFromScf dpId={} elanLportTag={} elanTag={} addOrRemove={} ", dpnId, elanLportTag, elanTag, addOrRemove);
    String flowRef = buildLportDispFromScfFlowRef(elanTag, elanLportTag);
    if (addOrRemove == NwConstants.ADD_FLOW) {
        List<MatchInfo> matches = Collections.singletonList(new MatchMetadata(MetaDataUtil.getMetaDataForLPortDispatcher(elanLportTag, ServiceIndex.getIndex(NwConstants.ELAN_SERVICE_NAME, NwConstants.ELAN_SERVICE_INDEX)), MetaDataUtil.getMetaDataMaskForLPortDispatcher()));
        int instructionKey = 0;
        List<Instruction> instructions = Arrays.asList(// while going through the SCF Pipeline
        MDSALUtil.buildAndGetWriteMetadaInstruction(getElanMetadataLabel(elanTag).or(BigInteger.ONE), MetaDataUtil.METADATA_MASK_SERVICE.or(BigInteger.ONE), instructionKey++), MDSALUtil.buildAndGetGotoTableInstruction(NwConstants.ELAN_SMAC_TABLE, instructionKey));
        Flow flow = MDSALUtil.buildFlowNew(NwConstants.LPORT_DISPATCHER_TABLE, flowRef, CloudServiceChainConstants.DEFAULT_SCF_FLOW_PRIORITY, flowRef, 0, 0, CloudServiceChainConstants.COOKIE_LPORT_DISPATCHER_BASE.add(BigInteger.valueOf(elanTag)), matches, instructions);
        mdsalManager.installFlow(dpnId, flow);
    } else {
        Flow flow = new FlowBuilder().setTableId(NwConstants.LPORT_DISPATCHER_TABLE).setId(new FlowId(flowRef)).build();
        mdsalManager.removeFlow(dpnId, flow);
    }
}

Example 19 with Instructions

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Instructions in project netvirt by opendaylight.

the class ElanServiceChainUtils method programLPortDispatcherToScf.

/**
 * This flow is in charge of handling packets coming from ExtTunnelTable
 * that must be redirected to the SCF Pipeline.
 *  + Matches on lportTag=ElanPseudoLportTag + SI=1
 *  + Sets scfTag and sends to the DlSubsFilter table.
 *
 * @param dpnId Dpn Id where the flow must be installed
 * @param elanLportTag the Elan Pseudo Lport Id in Dataplane
 * @param elanTag the Elan Id in the Dataplane
 * @param addOrRemove States if the flow must be added or removed
 */
public static void programLPortDispatcherToScf(IMdsalApiManager mdsalManager, BigInteger dpnId, long elanTag, int elanLportTag, short tableId, long scfTag, int addOrRemove) {
    LOG.info("L2-ServiceChaining: programLPortDispatcherToScf dpId={} elanLportTag={} scfTag={} addOrRemove={} ", dpnId, elanLportTag, scfTag, addOrRemove);
    String flowRef = buildLportDispToScfFlowRef(elanLportTag, scfTag);
    if (addOrRemove == NwConstants.ADD_FLOW) {
        int instructionKey = 0;
        List<Instruction> instructions = new ArrayList<>();
        List<ActionInfo> actionsInfos = new ArrayList<>();
        actionsInfos.add(new ActionRegLoad(NxmNxReg2.class, 0, 31, scfTag));
        instructions.add(MDSALUtil.buildApplyActionsInstruction(MDSALUtil.buildActions(actionsInfos), instructionKey++));
        instructions.add(MDSALUtil.buildAndGetGotoTableInstruction(tableId, instructionKey++));
        List<MatchInfo> matches = Collections.singletonList(new MatchMetadata(MetaDataUtil.getMetaDataForLPortDispatcher(elanLportTag, ServiceIndex.getIndex(NwConstants.SCF_SERVICE_NAME, NwConstants.SCF_SERVICE_INDEX)), MetaDataUtil.getMetaDataMaskForLPortDispatcher()));
        Flow flow = MDSALUtil.buildFlowNew(NwConstants.LPORT_DISPATCHER_TABLE, flowRef, CloudServiceChainConstants.DEFAULT_SCF_FLOW_PRIORITY, flowRef, 0, 0, CloudServiceChainConstants.COOKIE_LPORT_DISPATCHER_BASE.add(BigInteger.valueOf(elanTag)), matches, instructions);
        mdsalManager.installFlow(dpnId, flow);
    } else {
        Flow flow = new FlowBuilder().setTableId(NwConstants.LPORT_DISPATCHER_TABLE).setId(new FlowId(flowRef)).build();
        mdsalManager.removeFlow(dpnId, flow);
    }
}

Example 20 with Instructions

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Instructions in project netvirt by opendaylight.

the class VpnServiceChainUtils method buildLPortDispFromScfToL3VpnFlow.

/**
 * Build the flow that must be inserted when there is a ScHop whose
 * egressPort is a VPN Pseudo Port. In that case, packets must be moved
 * from the SCF to VPN Pipeline.
 * <p>
 * Flow matches:  VpnPseudo port lPortTag + SI=L3VPN
 * Actions: Write vrfTag in Metadata + goto FIB Table
 * </p>
 * @param vpnId Dataplane identifier of the VPN, the Vrf Tag.
 * @param dpId The DPN where the flow must be installed/removed
 * @param lportTag Dataplane identifier for the VpnPseudoPort
 * @param addOrRemove States if it must build a Flow to be created or
 *     removed
 *
 * @return the Flow object
 */
public static Flow buildLPortDispFromScfToL3VpnFlow(Long vpnId, BigInteger dpId, Integer lportTag, int addOrRemove) {
    LOG.info("buildLPortDispFlowForScf vpnId={} dpId={} lportTag={} addOrRemove={} ", vpnId, dpId, lportTag, addOrRemove);
    List<MatchInfo> matches = buildMatchOnLportTagAndSI(lportTag, ServiceIndex.getIndex(NwConstants.L3VPN_SERVICE_NAME, NwConstants.L3VPN_SERVICE_INDEX));
    List<Instruction> instructions = buildSetVrfTagAndGotoFibInstructions(vpnId.intValue());
    String flowRef = getScfToL3VpnLportDispatcherFlowRef(lportTag);
    Flow result;
    if (addOrRemove == NwConstants.ADD_FLOW) {
        result = MDSALUtil.buildFlowNew(NwConstants.LPORT_DISPATCHER_TABLE, flowRef, CloudServiceChainConstants.DEFAULT_SCF_FLOW_PRIORITY, flowRef, 0, 0, VpnServiceChainUtils.getCookieL3(vpnId.intValue()), matches, instructions);
    } else {
        result = new FlowBuilder().setTableId(NwConstants.LPORT_DISPATCHER_TABLE).setId(new FlowId(flowRef)).build();
    }
    return result;
}