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

Example 16 with Instruction

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction 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 17 with Instruction

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction 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 18 with Instruction

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction 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;
}

Example 19 with Instruction

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

the class ArpResponderUtil method installFlow.

/**
 * Install ARP Responder FLOW.
 *
 * @param mdSalManager
 *            Reference of MDSAL API RPC that provides API for installing
 *            flow
 * @param dpnId
 *            DPN on which flow to be installed
 * @param flowId
 *            Uniquely Identifiable Arp Responder Table flow Id
 * @param flowName
 *            Readable flow name
 * @param priority
 *            Flow Priority
 * @param cookie
 *            Flow Cookie
 * @param matches
 *            List of Match Criteria for the flow
 * @param instructions
 *            List of Instructions for the flow
 */
public static void installFlow(IMdsalApiManager mdSalManager, BigInteger dpnId, String flowId, String flowName, int priority, BigInteger cookie, List<MatchInfo> matches, List<Instruction> instructions) {
    Flow flowEntity = MDSALUtil.buildFlowNew(NwConstants.ARP_RESPONDER_TABLE, flowId, priority, flowName, 0, 0, cookie, matches, instructions);
    mdSalManager.installFlow(dpnId, flowEntity);
}

Example 20 with Instruction

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

the class ArpResponderUtil method getExtInterfaceInstructions.

/**
 * Get instruction list for ARP responder flows originated from ext-net e.g.
 * router-gw/fip.<br>
 * The split-horizon bit should be reset in order to allow traffic from
 * provider network to be routed back to flat/VLAN network and override the
 * egress table drop flow.<br>
 * In order to allow write-metadata in the ARP responder table the resubmit
 * action needs to be replaced with goto instruction.
 */
public static List<Instruction> getExtInterfaceInstructions(IInterfaceManager ifaceMgrRpcService, String extInterfaceName, String ipAddress, String macAddress) {
    AtomicInteger tableId = new AtomicInteger(-1);
    List<Instruction> instructions = new ArrayList<>();
    List<Action> actions = getActions(ifaceMgrRpcService, extInterfaceName, ipAddress, macAddress);
    actions.removeIf(v -> {
        org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action actionClass = v.getAction();
        if (actionClass instanceof NxActionResubmitRpcAddGroupCase) {
            tableId.set(((NxActionResubmitRpcAddGroupCase) actionClass).getNxResubmit().getTable());
            return true;
        } else {
            return false;
        }
    });
    instructions.add(MDSALUtil.buildApplyActionsInstruction(actions, 0));
    if (tableId.get() != -1) {
        // write-metadata
        if ((short) tableId.get() > NwConstants.ARP_RESPONDER_TABLE) {
            instructions.add(new InstructionGotoTable((short) tableId.get()).buildInstruction(2));
        } else {
            LOG.warn("Failed to insall responder flow for interface {}. Resubmit to {} can't be replaced with goto", extInterfaceName, tableId);
        }
    }
    return instructions;
}