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

Example 16 with Metadata

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

the class VpnUtil method getVpnInterfaceName.

static String getVpnInterfaceName(OdlInterfaceRpcService odlInterfaceRpcService, BigInteger metadata) throws InterruptedException, ExecutionException {
    GetInterfaceFromIfIndexInputBuilder ifIndexInputBuilder = new GetInterfaceFromIfIndexInputBuilder();
    BigInteger lportTag = MetaDataUtil.getLportFromMetadata(metadata);
    ifIndexInputBuilder.setIfIndex(lportTag.intValue());
    GetInterfaceFromIfIndexInput input = ifIndexInputBuilder.build();
    Future<RpcResult<GetInterfaceFromIfIndexOutput>> interfaceFromIfIndex = odlInterfaceRpcService.getInterfaceFromIfIndex(input);
    GetInterfaceFromIfIndexOutput interfaceFromIfIndexOutput;
    RpcResult<GetInterfaceFromIfIndexOutput> rpcResult = interfaceFromIfIndex.get();
    if (rpcResult == null) {
        return null;
    }
    interfaceFromIfIndexOutput = rpcResult.getResult();
    return interfaceFromIfIndexOutput.getInterfaceName();
}

Example 17 with Metadata

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

the class DhcpPktHandler method onPacketReceived.

// TODO: Handle this in a separate thread
@Override
public void onPacketReceived(PacketReceived packet) {
    if (!config.isControllerDhcpEnabled()) {
        return;
    }
    Class<? extends PacketInReason> pktInReason = packet.getPacketInReason();
    short tableId = packet.getTableId().getValue();
    if ((tableId == NwConstants.DHCP_TABLE || tableId == NwConstants.DHCP_TABLE_EXTERNAL_TUNNEL) && isPktInReasonSendtoCtrl(pktInReason)) {
        byte[] inPayload = packet.getPayload();
        Ethernet ethPkt = new Ethernet();
        try {
            ethPkt.deserialize(inPayload, 0, inPayload.length * NetUtils.NUM_BITS_IN_A_BYTE);
        } catch (PacketException e) {
            LOG.warn("Failed to decode DHCP Packet.", e);
            LOG.trace("Received packet {}", packet);
            return;
        }
        DHCP pktIn;
        pktIn = getDhcpPktIn(ethPkt);
        if (pktIn != null) {
            LOG.trace("DHCPPkt received: {}", pktIn);
            LOG.trace("Received Packet: {}", packet);
            BigInteger metadata = packet.getMatch().getMetadata().getMetadata();
            long portTag = MetaDataUtil.getLportFromMetadata(metadata).intValue();
            String macAddress = DHCPUtils.byteArrayToString(ethPkt.getSourceMACAddress());
            BigInteger tunnelId = packet.getMatch().getTunnel() == null ? null : packet.getMatch().getTunnel().getTunnelId();
            String interfaceName = getInterfaceNameFromTag(portTag);
            InterfaceInfo interfaceInfo = interfaceManager.getInterfaceInfoFromOperationalDataStore(interfaceName);
            if (interfaceInfo == null) {
                LOG.error("Failed to get interface info for interface name {}", interfaceName);
                return;
            }
            Port port;
            if (tunnelId != null) {
                port = dhcpExternalTunnelManager.readVniMacToPortCache(tunnelId, macAddress);
            } else {
                port = getNeutronPort(interfaceName);
            }
            Subnet subnet = getNeutronSubnet(port);
            String serverMacAddress = interfaceInfo.getMacAddress();
            String serverIp = null;
            if (subnet != null) {
                java.util.Optional<SubnetToDhcpPort> dhcpPortData = DhcpServiceUtils.getSubnetDhcpPortData(broker, subnet.getUuid().getValue());
                /* If enable_dhcp_service flag was enabled and an ODL network DHCP Port data was made available use
                     * the ports Fixed IP as server IP for DHCP communication.
                     */
                if (dhcpPortData.isPresent()) {
                    serverIp = dhcpPortData.get().getPortFixedip();
                    serverMacAddress = dhcpPortData.get().getPortMacaddress();
                } else {
                    // DHCP Neutron Port not found for this network
                    LOG.error("Neutron DHCP port is not available for the Subnet {} and port {}.", subnet.getUuid(), port.getUuid());
                    return;
                }
            }
            DHCP replyPkt = handleDhcpPacket(pktIn, interfaceName, macAddress, port, subnet, serverIp);
            if (replyPkt == null) {
                LOG.warn("Unable to construct reply packet for interface name {}", interfaceName);
                return;
            }
            byte[] pktOut = getDhcpPacketOut(replyPkt, ethPkt, serverMacAddress);
            sendPacketOut(pktOut, interfaceInfo.getDpId(), interfaceName, tunnelId);
        }
    }
}

Example 18 with Metadata

use of org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.Metadata 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 Metadata

use of org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.Metadata 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;
}

Example 20 with Metadata

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

the class OpenFlow13Provider method createIngressClassifierFilterChainEgressFlow.

/*
     * Classifier chain termination flow:
     *     Handle packets at the end of the chain
     *     Match C1 on local IP, NSP and ending NSI, restore metadata and
     *     resubmit to egress dispatcher
     */
public Flow createIngressClassifierFilterChainEgressFlow(NodeId nodeId, long nsp, short egressNsi) {
    MatchBuilder match = new MatchBuilder();
    OpenFlow13Utils.addMatchNsp(match, nsp);
    OpenFlow13Utils.addMatchNsi(match, egressNsi);
    List<Action> actionList = new ArrayList<>();
    actionList.add(OpenFlow13Utils.createActionNxMoveNsc4ToReg6Register(actionList.size()));
    actionList.add(OpenFlow13Utils.createActionNxPopNsh(actionList.size()));
    actionList.add(OpenFlow13Utils.createActionResubmitTable(NwConstants.EGRESS_LPORT_DISPATCHER_TABLE, actionList.size()));
    InstructionsBuilder isb = OpenFlow13Utils.wrapActionsIntoApplyActionsInstruction(actionList);
    String flowIdStr = INGRESS_CLASSIFIER_FILTER_NSH_CHAIN_EGRESS_FLOW_NAME + nodeId.getValue() + "_" + nsp;
    return OpenFlow13Utils.createFlowBuilder(NwConstants.INGRESS_SFC_CLASSIFIER_FILTER_TABLE, INGRESS_CLASSIFIER_FILTER_CHAIN_EGRESS_PRIORITY, INGRESS_CLASSIFIER_FILTER_COOKIE, INGRESS_CLASSIFIER_FILTER_NSH_CHAIN_EGRESS_FLOW_NAME, flowIdStr, match, isb).build();
}