use of org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.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);
}
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.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);
}
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.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;
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.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);
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.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;
}
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