use of org.opendaylight.netvirt.cloudservicechain.jobs.RemoveVpnPseudoPortDataJob in project netvirt by opendaylight.
the class VPNServiceChainHandler method programVpnToScfPipeline.
/**
* Programs the necessary flows in LFIB and LPortDispatcher table so that
* the packets coming from a given VPN are delivered to a given
* ServiceChain Pipeline.
*
* @param vpnName Name of the VPN. Typically the UUID
* @param tableId Table to which the LPortDispatcher table sends the packet
* to (Uplink or Downlink Subsc table)
* @param scfTag Scf tag to the SCF to which the Vpn is linked to.
* @param lportTag VpnPseudo Port lportTag
* @param addOrRemove States if the VPN2SCF Pipeline must be installed or
* removed
*/
public void programVpnToScfPipeline(String vpnName, short tableId, long scfTag, int lportTag, int addOrRemove) {
// This entries must be created in the DPN where the CGNAT is installed. Since it is not possible
// to know where CGNAT is located, this entries are installed in all the VPN footprint.
// LFIB:
// - Match: cgnatLabel Instr: lportTag=vpnPseudoPortTag + SI=SCF + GOTO 17
// LportDisp:
// - Match: vpnPseudoPortTag + SI==SCF Instr: scfTag + GOTO 70
LOG.info("programVpnToScfPipeline ({}) : Parameters VpnName:{} tableId:{} scftag:{} lportTag:{}", addOrRemove == NwConstants.ADD_FLOW ? "Creation" : "Removal", vpnName, tableId, scfTag, lportTag);
String rd = VpnServiceChainUtils.getVpnRd(dataBroker, vpnName);
LOG.debug("Router distinguisher (rd):{}", rd);
if (rd == null || rd.isEmpty()) {
LOG.warn("programVpnToScfPipeline: Could not find Router-distinguisher for VPN {}. No further actions", vpnName);
return;
}
VpnInstanceOpDataEntry vpnInstance = getVpnInstance(rd);
if (vpnInstance == null) {
LOG.warn("Could not find a suitable VpnInstance for Route-Distinguisher={}", rd);
return;
}
// Find out the set of DPNs for the given VPN ID
Collection<VpnToDpnList> vpnToDpnList = vpnInstance.getVpnToDpnList();
List<VrfEntry> vrfEntries = VpnServiceChainUtils.getAllVrfEntries(dataBroker, rd);
if (vrfEntries != null) {
if (addOrRemove == NwConstants.ADD_FLOW) {
AddVpnPseudoPortDataJob updateVpnToPseudoPortTask = new AddVpnPseudoPortDataJob(dataBroker, rd, lportTag, tableId, (int) scfTag);
jobCoordinator.enqueueJob(updateVpnToPseudoPortTask.getDsJobCoordinatorKey(), updateVpnToPseudoPortTask);
} else {
RemoveVpnPseudoPortDataJob removeVpnPseudoPortDataTask = new RemoveVpnPseudoPortDataJob(dataBroker, rd);
jobCoordinator.enqueueJob(removeVpnPseudoPortDataTask.getDsJobCoordinatorKey(), removeVpnPseudoPortDataTask);
}
for (VpnToDpnList dpnInVpn : vpnToDpnList) {
BigInteger dpnId = dpnInVpn.getDpnId();
programVpnToScfPipelineOnDpn(dpnId, vrfEntries, tableId, (int) scfTag, lportTag, addOrRemove);
if (dpnInVpn.getVpnInterfaces() != null) {
long vpnId = vpnInstance.getVpnId();
Flow flow = VpnServiceChainUtils.buildLPortDispFromScfToL3VpnFlow(vpnId, dpnId, lportTag, NwConstants.ADD_FLOW);
if (addOrRemove == NwConstants.ADD_FLOW) {
mdsalManager.installFlow(dpnId, flow);
} else {
mdsalManager.removeFlow(dpnId, flow);
}
dpnInVpn.getVpnInterfaces().forEach(vpnIf -> {
if (addOrRemove == NwConstants.ADD_FLOW) {
bindScfOnVpnInterface(vpnIf.getInterfaceName(), (int) scfTag);
} else {
unbindScfOnVpnInterface(vpnIf.getInterfaceName());
}
});
}
}
}
}
use of org.opendaylight.netvirt.cloudservicechain.jobs.RemoveVpnPseudoPortDataJob in project netvirt by opendaylight.
the class VPNServiceChainHandler method removeVpnPseudoPortFlows.
/**
* Removes all Flows in LFIB and LPortDispatcher that are related to this VpnPseudoLPort.
*
* @param vpnInstanceName vpn Instance name
* @param vpnPseudoLportTag vpnPseudoLPort tag
*/
public void removeVpnPseudoPortFlows(String vpnInstanceName, int vpnPseudoLportTag) {
// At VpnPseudoPort removal time the current Vpn footprint could not be enough, so let's try to
// remove all possible entries in all DPNs.
// TODO: Study how this could be enhanced. It could be done at ServiceChain removal, but that
// could imply check all ServiceChains ending in all DPNs in Vpn footprint to decide that if the entries
// can be removed, and that sounds even costlier than this.
String rd = VpnServiceChainUtils.getVpnRd(dataBroker, vpnInstanceName);
List<VrfEntry> vrfEntries = null;
if (rd != null) {
vrfEntries = VpnServiceChainUtils.getAllVrfEntries(dataBroker, rd);
}
boolean cleanLFib = vrfEntries != null && !vrfEntries.isEmpty();
List<BigInteger> operativeDPNs = NWUtil.getOperativeDPNs(dataBroker);
for (BigInteger dpnId : operativeDPNs) {
if (cleanLFib) {
VpnServiceChainUtils.programLFibEntriesForSCF(mdsalManager, dpnId, vrfEntries, vpnPseudoLportTag, NwConstants.DEL_FLOW);
}
String vpnToScfflowRef = VpnServiceChainUtils.getL3VpnToScfLportDispatcherFlowRef(vpnPseudoLportTag);
Flow vpnToScfFlow = new FlowBuilder().setTableId(NwConstants.LPORT_DISPATCHER_TABLE).setId(new FlowId(vpnToScfflowRef)).build();
mdsalManager.removeFlow(dpnId, vpnToScfFlow);
String scfToVpnFlowRef = VpnServiceChainUtils.getScfToL3VpnLportDispatcherFlowRef(vpnPseudoLportTag);
Flow scfToVpnFlow = new FlowBuilder().setTableId(NwConstants.LPORT_DISPATCHER_TABLE).setId(new FlowId(scfToVpnFlowRef)).build();
mdsalManager.removeFlow(dpnId, scfToVpnFlow);
}
if (rd != null) {
RemoveVpnPseudoPortDataJob removeVpnPseudoPortDataTask = new RemoveVpnPseudoPortDataJob(dataBroker, rd);
jobCoordinator.enqueueJob(removeVpnPseudoPortDataTask.getDsJobCoordinatorKey(), removeVpnPseudoPortDataTask);
}
}
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