Examples with Elan org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.state.Elan used on opensource projects

Example 46 with Elan

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.state.Elan in project netvirt by opendaylight.

the class DhcpExternalTunnelManager method chooseDpn.

/**
 * Choose a dpn among the list of elanDpns such that it has lowest count of being the designated dpn.
 * @param tunnelIp The tunnel Ip address
 * @param elanInstanceName The elan instance name
 * @param dpns The data path nodes
 * @return The designated dpn
 */
private BigInteger chooseDpn(IpAddress tunnelIp, String elanInstanceName, List<BigInteger> dpns) {
    BigInteger designatedDpnId = DhcpMConstants.INVALID_DPID;
    if (dpns != null && dpns.size() != 0) {
        List<BigInteger> candidateDpns = DhcpServiceUtils.getDpnsForElan(elanInstanceName, broker);
        candidateDpns.retainAll(dpns);
        LOG.trace("Choosing new dpn for tunnelIp {}, elanInstanceName {}, among elanDpns {}", tunnelIp, elanInstanceName, candidateDpns);
        boolean elanDpnAvailableFlag = true;
        if (candidateDpns.isEmpty()) {
            candidateDpns = dpns;
            elanDpnAvailableFlag = false;
        }
        int size = 0;
        L2GatewayDevice device = getDeviceFromTunnelIp(tunnelIp);
        if (device == null) {
            LOG.trace("Could not find any device for elanInstanceName {} and tunnelIp {}", elanInstanceName, tunnelIp);
            handleUnableToDesignateDpn(tunnelIp, elanInstanceName);
            return designatedDpnId;
        }
        for (BigInteger dpn : candidateDpns) {
            String hwvtepNodeId = device.getHwvtepNodeId();
            if (!elanDpnAvailableFlag) {
                if (!isTunnelConfigured(dpn, hwvtepNodeId)) {
                    LOG.trace("Tunnel is not configured on dpn {} to TOR {}", dpn, hwvtepNodeId);
                    continue;
                }
            } else if (!isTunnelUp(hwvtepNodeId, dpn)) {
                LOG.trace("Tunnel is not up between dpn {} and TOR {}", dpn, hwvtepNodeId);
                continue;
            }
            Set<Pair<IpAddress, String>> tunnelIpElanNameSet = designatedDpnsToTunnelIpElanNameCache.get(dpn);
            if (tunnelIpElanNameSet == null) {
                designatedDpnId = dpn;
                break;
            }
            if (size == 0 || tunnelIpElanNameSet.size() < size) {
                size = tunnelIpElanNameSet.size();
                designatedDpnId = dpn;
            }
        }
        writeDesignatedSwitchForExternalTunnel(designatedDpnId, tunnelIp, elanInstanceName);
        return designatedDpnId;
    }
    handleUnableToDesignateDpn(tunnelIp, elanInstanceName);
    return designatedDpnId;
}

Example 47 with Elan

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.state.Elan in project netvirt by opendaylight.

the class ElanServiceChainUtils method getElanServiceChainState.

/**
 * Read from ElanToLportTagMap the PsuedoLogicalPort related with a given elan.
 *
 * @param broker dataBroker service reference
 * @param elanInstanceName the name of the Elan
 * @return the ElanToPseudoPortData object or Optional.absent() if it
 *     cannot be found
 */
public static Optional<ElanServiceChainState> getElanServiceChainState(final DataBroker broker, final String elanInstanceName) {
    InstanceIdentifier<ElanServiceChainState> path = InstanceIdentifier.builder(ElanInstances.class).child(ElanInstance.class, new ElanInstanceKey(elanInstanceName)).augmentation(ElanServiceChainState.class).build();
    Optional<ElanServiceChainState> elanServiceChainStateOpc = MDSALUtil.read(broker, LogicalDatastoreType.CONFIGURATION, path);
    return elanServiceChainStateOpc;
}

Example 48 with Elan

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.state.Elan 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 49 with Elan

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.state.Elan 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 50 with Elan

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.state.Elan in project netvirt by opendaylight.

the class ArpResponderUtil method retrieveStandardArpResponderGroupId.

/**
 * Uses the IdManager to retrieve ARP Responder GroupId from ELAN pool.
 *
 * @param idManager
 *            the id manager
 * @return the integer
 */
public static Long retrieveStandardArpResponderGroupId(IdManagerService idManager) {
    AllocateIdInput getIdInput = new AllocateIdInputBuilder().setPoolName(ArpResponderConstant.ELAN_ID_POOL_NAME.value()).setIdKey(ArpResponderConstant.ARP_RESPONDER_GROUP_ID.value()).build();
    try {
        Future<RpcResult<AllocateIdOutput>> result = idManager.allocateId(getIdInput);
        RpcResult<AllocateIdOutput> rpcResult = result.get();
        if (rpcResult.isSuccessful()) {
            LOG.trace("Retrieved Group Id is {}", rpcResult.getResult().getIdValue());
            return rpcResult.getResult().getIdValue();
        } else {
            LOG.warn("RPC Call to Allocate Id returned with Errors {}", rpcResult.getErrors());
        }
    } catch (InterruptedException | ExecutionException e) {
        LOG.warn("Exception when Allocating Id", e);
    }
    return 0L;
}