Examples with Metadata org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Metadata used on opensource projects

Example 1 with Metadata

use of org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Metadata in project netvirt by opendaylight.

the class ElanPacketInHandler method onPacketReceived.

@Override
public void onPacketReceived(PacketReceived notification) {
    Class<? extends PacketInReason> pktInReason = notification.getPacketInReason();
    short tableId = notification.getTableId().getValue();
    if (pktInReason == NoMatch.class && tableId == NwConstants.ELAN_SMAC_TABLE) {
        ElanManagerCounters.unknown_smac_pktin_rcv.inc();
        try {
            byte[] data = notification.getPayload();
            Ethernet res = new Ethernet();
            res.deserialize(data, 0, data.length * NetUtils.NUM_BITS_IN_A_BYTE);
            byte[] srcMac = res.getSourceMACAddress();
            final String macAddress = NWUtil.toStringMacAddress(srcMac);
            final BigInteger metadata = notification.getMatch().getMetadata().getMetadata();
            final long elanTag = MetaDataUtil.getElanTagFromMetadata(metadata);
            long portTag = MetaDataUtil.getLportFromMetadata(metadata).intValue();
            Optional<IfIndexInterface> interfaceInfoOp = elanUtils.getInterfaceInfoByInterfaceTag(portTag);
            if (!interfaceInfoOp.isPresent()) {
                LOG.warn("There is no interface for given portTag {}", portTag);
                return;
            }
            String interfaceName = interfaceInfoOp.get().getInterfaceName();
            LOG.debug("Received a packet with srcMac: {} ElanTag: {} PortTag: {} InterfaceName: {}", macAddress, elanTag, portTag, interfaceName);
            ElanTagName elanTagName = elanUtils.getElanInfoByElanTag(elanTag);
            if (elanTagName == null) {
                LOG.warn("not able to find elanTagName in elan-tag-name-map for elan tag {}", elanTag);
                return;
            }
            ElanInterfaceMac elanInterfaceMac = elanUtils.getElanInterfaceMacByInterfaceName(interfaceName);
            if (elanInterfaceMac == null) {
                LOG.info("There is no ElanInterfaceForwardingEntryDS created for interface :{}", interfaceName);
                return;
            }
            String elanName = elanTagName.getName();
            PhysAddress physAddress = new PhysAddress(macAddress);
            MacEntry oldMacEntry = elanUtils.getMacEntryForElanInstance(elanName, physAddress).orNull();
            boolean isVlanOrFlatProviderIface = interfaceManager.isExternalInterface(interfaceName);
            Optional<IpAddress> srcIpAddress = elanUtils.getSourceIpAddress(res);
            MacEntry newMacEntry = null;
            BigInteger timeStamp = new BigInteger(String.valueOf(System.currentTimeMillis()));
            if (!srcIpAddress.isPresent()) {
                newMacEntry = new MacEntryBuilder().setInterface(interfaceName).setMacAddress(physAddress).setKey(new MacEntryKey(physAddress)).setControllerLearnedForwardingEntryTimestamp(timeStamp).setIsStaticAddress(false).build();
            } else {
                newMacEntry = new MacEntryBuilder().setInterface(interfaceName).setMacAddress(physAddress).setIpPrefix(srcIpAddress.get()).setKey(new MacEntryKey(physAddress)).setControllerLearnedForwardingEntryTimestamp(timeStamp).setIsStaticAddress(false).build();
            }
            if (srcIpAddress.isPresent()) {
                String prefix = srcIpAddress.get().getIpv4Address().getValue();
                InterfaceInfo interfaceInfo = interfaceManager.getInterfaceInfo(interfaceName);
                ElanInstance elanInstance = elanInstanceCache.get(elanName).orNull();
                evpnUtils.advertisePrefix(elanInstance, macAddress, prefix, interfaceName, interfaceInfo.getDpId());
            }
            enqueueJobForMacSpecificTasks(macAddress, elanTag, interfaceName, elanName, physAddress, oldMacEntry, newMacEntry, isVlanOrFlatProviderIface);
            ElanInstance elanInstance = elanInstanceCache.get(elanName).orNull();
            InterfaceInfo interfaceInfo = interfaceManager.getInterfaceInfo(interfaceName);
            if (interfaceInfo == null) {
                LOG.trace("Interface:{} is not present under Config DS", interfaceName);
                return;
            }
            enqueueJobForDPNSpecificTasks(macAddress, elanTag, interfaceName, physAddress, elanInstance, interfaceInfo, oldMacEntry, newMacEntry, isVlanOrFlatProviderIface);
        } catch (PacketException e) {
            LOG.error("Failed to decode packet: {}", notification, e);
        }
    }
}

Example 2 with Metadata

use of org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Metadata in project netvirt by opendaylight.

the class ElanSmacFlowEventListener method onFlowRemoved.

@Override
public void onFlowRemoved(FlowRemoved flowRemoved) {
    short tableId = flowRemoved.getTableId();
    if (tableId == NwConstants.ELAN_SMAC_TABLE) {
        BigInteger metadata = flowRemoved.getMatch().getMetadata().getMetadata();
        long elanTag = MetaDataUtil.getElanTagFromMetadata(metadata);
        ElanTagName elanTagInfo = elanUtils.getElanInfoByElanTag(elanTag);
        if (elanTagInfo == null) {
            return;
        }
        final String srcMacAddress = flowRemoved.getMatch().getEthernetMatch().getEthernetSource().getAddress().getValue().toUpperCase(Locale.getDefault());
        int portTag = MetaDataUtil.getLportFromMetadata(metadata).intValue();
        if (portTag == 0) {
            LOG.debug("Flow removed event on SMAC flow entry. But having port Tag as 0 ");
            return;
        }
        Optional<IfIndexInterface> existingInterfaceInfo = elanUtils.getInterfaceInfoByInterfaceTag(portTag);
        if (!existingInterfaceInfo.isPresent()) {
            LOG.debug("Interface is not available for port Tag {}", portTag);
            return;
        }
        String interfaceName = existingInterfaceInfo.get().getInterfaceName();
        PhysAddress physAddress = new PhysAddress(srcMacAddress);
        if (interfaceName == null) {
            LOG.error("LPort record not found for tag {}", portTag);
            return;
        }
        jobCoordinator.enqueueJob(ElanUtils.getElanInterfaceJobKey(interfaceName), () -> {
            List<ListenableFuture<Void>> elanFutures = new ArrayList<>();
            MacEntry macEntry = elanUtils.getInterfaceMacEntriesOperationalDataPath(interfaceName, physAddress);
            InterfaceInfo interfaceInfo = interfaceManager.getInterfaceInfo(interfaceName);
            String elanInstanceName = elanTagInfo.getName();
            LOG.info("Deleting the Mac-Entry:{} present on ElanInstance:{}", macEntry, elanInstanceName);
            if (macEntry != null && interfaceInfo != null) {
                ListenableFuture<Void> result = txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx -> elanUtils.deleteMacFlows(elanInstanceCache.get(elanInstanceName).orNull(), interfaceInfo, macEntry, tx));
                elanFutures.add(result);
                addCallBack(result, srcMacAddress);
            }
            InstanceIdentifier<MacEntry> macEntryIdForElanInterface = ElanUtils.getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, physAddress);
            Optional<MacEntry> existingInterfaceMacEntry = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, macEntryIdForElanInterface);
            if (existingInterfaceMacEntry.isPresent()) {
                ListenableFuture<Void> future = txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx -> {
                    tx.delete(LogicalDatastoreType.OPERATIONAL, macEntryIdForElanInterface);
                    MacEntry macEntryInElanInstance = elanUtils.getMacEntryForElanInstance(elanInstanceName, physAddress).orNull();
                    if (macEntryInElanInstance != null && macEntryInElanInstance.getInterface().equals(interfaceName)) {
                        InstanceIdentifier<MacEntry> macEntryIdForElanInstance = ElanUtils.getMacEntryOperationalDataPath(elanInstanceName, physAddress);
                        tx.delete(LogicalDatastoreType.OPERATIONAL, macEntryIdForElanInstance);
                    }
                });
                elanFutures.add(future);
                addCallBack(future, srcMacAddress);
            }
            return elanFutures;
        }, ElanConstants.JOB_MAX_RETRIES);
    }
}

Example 3 with Metadata

use of org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Metadata in project netvirt by opendaylight.

the class SubnetRoutePacketInHandler method handleInternalVpnSubnetRoutePacket.

private void handleInternalVpnSubnetRoutePacket(BigInteger metadata, byte[] dstIp, String srcIpStr, String dstIpStr, int destinationAddress, String vpnIdVpnInstanceName, long elanTag) throws InterruptedException, ExecutionException, UnknownHostException {
    String vmVpnInterfaceName = VpnUtil.getVpnInterfaceName(odlInterfaceRpcService, metadata);
    if (isTunnel(vmVpnInterfaceName)) {
        handlePacketFromTunnelToExternalNetwork(vpnIdVpnInstanceName, srcIpStr, dstIp, elanTag);
    }
    VpnInterface vmVpnInterface = VpnUtil.getVpnInterface(dataBroker, vmVpnInterfaceName);
    if (vmVpnInterface == null) {
        LOG.error("Vpn interface {} doesn't exist.", vmVpnInterfaceName);
        VpnManagerCounters.subnet_route_packet_failed.inc();
        return;
    }
    if (VpnHelper.doesVpnInterfaceBelongToVpnInstance(vpnIdVpnInstanceName, vmVpnInterface.getVpnInstanceNames()) && !VpnUtil.isBgpVpnInternet(dataBroker, vpnIdVpnInstanceName)) {
        LOG.trace("Unknown IP is in internal network");
        handlePacketToInternalNetwork(dstIp, dstIpStr, destinationAddress, elanTag);
    } else {
        LOG.trace("Unknown IP is in external network");
        String vpnName = VpnUtil.getInternetVpnFromVpnInstanceList(dataBroker, vmVpnInterface.getVpnInstanceNames());
        if (vpnName != null) {
            handlePacketToExternalNetwork(new Uuid(vpnIdVpnInstanceName), vpnName, dstIp, elanTag);
        } else {
            vpnName = VpnHelper.getFirstVpnNameFromVpnInterface(vmVpnInterface);
            LOG.trace("Unknown IP is in external network, but internet VPN not found." + " fallback to first VPN");
            handlePacketToExternalNetwork(new Uuid(vpnIdVpnInstanceName), vpnName, dstIp, elanTag);
        }
    }
}

Example 4 with Metadata

use of org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Metadata in project netvirt by opendaylight.

the class SubnetRoutePacketInHandler method onPacketReceived.

@Override
public void onPacketReceived(PacketReceived notification) {
    short tableId = notification.getTableId().getValue();
    LOG.trace("{} onPacketReceived: Packet punted from table {}", LOGGING_PREFIX, tableId);
    byte[] data = notification.getPayload();
    if (notification.getMatch() == null || notification.getMatch().getMetadata() == null) {
        LOG.error("{} onPacketReceived: Received from table {} where the match or metadata are null", LOGGING_PREFIX, tableId);
        return;
    }
    BigInteger metadata = notification.getMatch().getMetadata().getMetadata();
    Ethernet res = new Ethernet();
    if (tableId == NwConstants.L3_SUBNET_ROUTE_TABLE) {
        LOG.trace("{} onPacketReceived: Some packet received as {}", LOGGING_PREFIX, notification);
        try {
            res.deserialize(data, 0, data.length * NetUtils.NUM_BITS_IN_A_BYTE);
        } catch (PacketException e) {
            LOG.error("{} onPacketReceived: Failed to decode Packet ", LOGGING_PREFIX, e);
            VpnManagerCounters.subnet_route_packet_failed.inc();
            return;
        }
        try {
            Packet pkt = res.getPayload();
            if (pkt instanceof IPv4) {
                IPv4 ipv4 = (IPv4) pkt;
                byte[] srcIp = Ints.toByteArray(ipv4.getSourceAddress());
                byte[] dstIp = Ints.toByteArray(ipv4.getDestinationAddress());
                String dstIpStr = NWUtil.toStringIpAddress(dstIp);
                String srcIpStr = NWUtil.toStringIpAddress(srcIp);
                // It is an ARP request on a configured VPN. So we must
                // attempt to respond.
                long vpnId = MetaDataUtil.getVpnIdFromMetadata(metadata);
                LOG.info("{} onPacketReceived: Processing IPv4 Packet received with Source IP {} and Target IP {}" + " and vpnId {}", LOGGING_PREFIX, srcIpStr, dstIpStr, vpnId);
                Optional<VpnIds> vpnIdsOptional = VpnUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, VpnUtil.getVpnIdToVpnInstanceIdentifier(vpnId));
                if (!vpnIdsOptional.isPresent()) {
                    // Donot trigger subnetroute logic for packets from
                    // unknown VPNs
                    VpnManagerCounters.subnet_route_packet_ignored.inc();
                    LOG.info("{} onPacketReceived: Ignoring IPv4 packet with destination Ip {} and source Ip {}" + " as it came on unknown VPN with ID {}", LOGGING_PREFIX, dstIpStr, srcIpStr, vpnId);
                    return;
                }
                String vpnIdVpnInstanceName = vpnIdsOptional.get().getVpnInstanceName();
                if (VpnUtil.getNeutronPortFromVpnPortFixedIp(dataBroker, vpnIdVpnInstanceName, dstIpStr) != null) {
                    VpnManagerCounters.subnet_route_packet_ignored.inc();
                    LOG.info("{} onPacketReceived: IPv4 Packet received with Target IP {} source IP {} vpnId {} " + "is a valid Neutron port,ignoring subnet route processing", LOGGING_PREFIX, dstIpStr, srcIp, vpnId);
                    return;
                }
                if (VpnUtil.getLearntVpnVipToPort(dataBroker, vpnIdVpnInstanceName, dstIpStr) != null) {
                    VpnManagerCounters.subnet_route_packet_ignored.inc();
                    LOG.info("{} onPacketReceived: IPv4 Packet received with Target IP {} source Ip {} vpnId {}" + " is an already discovered IPAddress, ignoring subnet route processing", LOGGING_PREFIX, dstIpStr, srcIp, vpnId);
                    return;
                }
                long elanTag = MetaDataUtil.getElanTagFromMetadata(metadata);
                if (elanTag == 0L) {
                    VpnManagerCounters.subnet_route_packet_failed.inc();
                    LOG.error("{} onPacketReceived: elanTag value from metadata found to be 0, for IPv4 " + " Packet received with Target IP {} src Ip {} vpnId {}", LOGGING_PREFIX, dstIpStr, srcIp, vpnId);
                    return;
                }
                if (!vpnIdsOptional.get().isExternalVpn()) {
                    handleInternalVpnSubnetRoutePacket(metadata, dstIp, srcIpStr, dstIpStr, ipv4.getDestinationAddress(), vpnIdVpnInstanceName, elanTag);
                    return;
                }
                byte[] srcMac = res.getSourceMACAddress();
                handleBgpVpnSubnetRoute(ipv4, srcMac, dstIp, dstIpStr, srcIpStr, elanTag);
            }
        } catch (UnknownHostException | InterruptedException | ExecutionException ex) {
            // Failed to handle packet
            VpnManagerCounters.subnet_route_packet_failed.inc();
            LOG.error("{} onPacketReceived: Failed to handle subnetroute packet.", LOGGING_PREFIX, ex);
        }
        return;
    }
// All Arp responses learning for invisble IPs is handled by
// ArpNotificationHandler
}

Example 5 with Metadata

use of org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Metadata in project netvirt by opendaylight.

the class AclServiceUtils method buildMatchesForLPortTagAndRemoteAclTag.

public static List<MatchInfoBase> buildMatchesForLPortTagAndRemoteAclTag(Integer lportTag, Integer remoteAclTag, Class<? extends ServiceModeBase> serviceMode) {
    List<MatchInfoBase> matches = new ArrayList<>();
    if (serviceMode != null && serviceMode.isAssignableFrom(ServiceModeEgress.class)) {
        matches.add(AclServiceUtils.buildLPortTagMatch(lportTag, serviceMode));
        matches.add(AclServiceUtils.buildRemoteAclTagMetadataMatch(remoteAclTag));
    } else {
        // In case of ingress service mode, only metadata is used for
        // matching both lportTag and aclTag. Hence performing "or"
        // operation on both lportTag and aclTag metadata.
        BigInteger metaData = MetaDataUtil.getLportTagMetaData(lportTag).or(getRemoteAclTagMetadata(BigInteger.valueOf(remoteAclTag)));
        BigInteger metaDataMask = MetaDataUtil.METADATA_MASK_LPORT_TAG.or(MetaDataUtil.METADATA_MASK_REMOTE_ACL_TAG);
        matches.add(new MatchMetadata(metaData, metaDataMask));
    }
    return matches;
}