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Example 6 with DefaultOutboundPacket

use of org.onosproject.net.packet.DefaultOutboundPacket in project onos by opennetworkinglab.

the class K8sSwitchingArpHandler method processArpRequest.

private void processArpRequest(PacketContext context, Ethernet ethPacket) {
    ARP arpPacket = (ARP) ethPacket.getPayload();
    K8sPort srcK8sPort = k8sNetworkService.ports().stream().filter(p -> p.macAddress().equals(ethPacket.getSourceMAC())).findAny().orElse(null);
    PortNumber srcPortNum = context.inPacket().receivedFrom().port();
    DeviceId srcDeviceId = context.inPacket().receivedFrom().deviceId();
    boolean isEntryPort = false;
    for (K8sNode node : k8sNodeService.completeNodes()) {
        if (srcDeviceId.equals(node.intgBridge()) && srcPortNum.equals(node.intgEntryPortNum())) {
            isEntryPort = true;
        }
    }
    // integration bridge entry port, we simply ignore the ARP request...
    if (srcK8sPort == null && !isEntryPort) {
        log.warn("Failed to find source port(MAC:{})", ethPacket.getSourceMAC());
        return;
    }
    IpAddress targetIp = Ip4Address.valueOf(arpPacket.getTargetProtocolAddress());
    // look up the MAC address from regular k8s ports
    MacAddress replyMac = k8sNetworkService.ports().stream().filter(p -> p.ipAddress().equals(targetIp)).map(K8sPort::macAddress).findAny().orElse(null);
    // look up the MAC address from special integration entry port (e.g., LOCAL, k8s-int-os)
    for (K8sNetwork network : k8sNetworkService.networks()) {
        if (network.gatewayIp().equals(targetIp)) {
            K8sNode node = k8sNodeService.node(network.name());
            replyMac = node.intgEntryPortMac();
        }
    }
    if (replyMac == null) {
        String cidr = k8sNetworkService.networks().stream().map(K8sNetwork::cidr).findAny().orElse(null);
        if (cidr != null) {
            String unshiftedIp = unshiftIpDomain(targetIp.toString(), SHIFTED_IP_PREFIX, cidr);
            replyMac = k8sNetworkService.ports().stream().filter(p -> p.ipAddress().equals(IpAddress.valueOf(unshiftedIp))).map(K8sPort::macAddress).findAny().orElse(null);
        }
    }
    if (replyMac == null) {
        Set<String> serviceIps = k8sServiceService.services().stream().map(s -> s.getSpec().getClusterIP()).collect(Collectors.toSet());
        if (serviceIps.contains(targetIp.toString())) {
            replyMac = MacAddress.valueOf(SERVICE_FAKE_MAC_STR);
        }
    }
    if (replyMac == null) {
        if (targetIp.toString().startsWith(NODE_IP_PREFIX)) {
            String targetIpPrefix = targetIp.toString().split("\\.")[1];
            String nodePrefix = NODE_IP_PREFIX + "." + targetIpPrefix;
            String origNodeCidr = k8sNodeService.completeNodes().stream().map(n -> n.nodeIp().toString()).findAny().orElse(null);
            if (origNodeCidr != null) {
                String origNodeIp = unshiftIpDomain(targetIp.toString(), nodePrefix, origNodeCidr);
                IpPrefix k8sNodeIpCidr = IpPrefix.valueOf(IpAddress.valueOf(origNodeCidr), 24);
                SubnetUtils k8sNodeSubnet = new SubnetUtils(k8sNodeIpCidr.toString());
                String k8sNodeGateway = getGatewayIp(k8sNodeIpCidr.toString()).toString();
                String seekIp = "";
                if (!k8sNodeSubnet.getInfo().isInRange(origNodeIp)) {
                    replyMac = extHostMacStore.asJavaMap().get(IpAddress.valueOf(k8sNodeGateway));
                    seekIp = k8sNodeGateway;
                } else {
                    replyMac = extHostMacStore.asJavaMap().get(IpAddress.valueOf(origNodeIp));
                    seekIp = origNodeIp;
                }
                // we need to manually learn their MAC addresses
                if (replyMac == null) {
                    ConnectPoint cp = context.inPacket().receivedFrom();
                    K8sNode k8sNode = k8sNodeService.node(cp.deviceId());
                    if (k8sNode != null) {
                        // we use fake IP and MAC address as a source to
                        // query destination MAC address
                        setArpRequest(MacAddress.valueOf(NODE_FAKE_MAC_STR).toBytes(), IpAddress.valueOf(NODE_FAKE_IP_STR).toOctets(), IpAddress.valueOf(seekIp).toOctets(), k8sNode);
                        context.block();
                        return;
                    }
                }
            }
        }
    }
    if (replyMac == null) {
        replyMac = MacAddress.valueOf(gatewayMac);
    }
    Ethernet ethReply = ARP.buildArpReply(targetIp.getIp4Address(), replyMac, ethPacket);
    TrafficTreatment treatment = DefaultTrafficTreatment.builder().setOutput(context.inPacket().receivedFrom().port()).build();
    packetService.emit(new DefaultOutboundPacket(context.inPacket().receivedFrom().deviceId(), treatment, ByteBuffer.wrap(ethReply.serialize())));
    context.block();
}
Also used : ConsistentMap(org.onosproject.store.service.ConsistentMap) GATEWAY_MAC(org.onosproject.k8snetworking.impl.OsgiPropertyConstants.GATEWAY_MAC) ARP_TABLE(org.onosproject.k8snetworking.api.Constants.ARP_TABLE) SERVICE_FAKE_MAC_STR(org.onosproject.k8snetworking.api.Constants.SERVICE_FAKE_MAC_STR) CoreService(org.onosproject.core.CoreService) K8sNodeAdminService(org.onosproject.k8snode.api.K8sNodeAdminService) PortNumber(org.onosproject.net.PortNumber) DeviceService(org.onosproject.net.device.DeviceService) LoggerFactory(org.slf4j.LoggerFactory) Tools.groupedThreads(org.onlab.util.Tools.groupedThreads) NODE_IP_PREFIX(org.onosproject.k8snetworking.api.Constants.NODE_IP_PREFIX) ARP(org.onlab.packet.ARP) K8sNodeListener(org.onosproject.k8snode.api.K8sNodeListener) ARP_MODE(org.onosproject.k8snetworking.impl.OsgiPropertyConstants.ARP_MODE) DefaultTrafficTreatment(org.onosproject.net.flow.DefaultTrafficTreatment) ByteBuffer(java.nio.ByteBuffer) 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Example 7 with DefaultOutboundPacket

use of org.onosproject.net.packet.DefaultOutboundPacket in project onos by opennetworkinglab.

the class SdnIpReactiveRouting method forwardPacketToDst.

/**
 * Emits the specified packet onto the network.
 *
 * @param context      the packet context
 * @param connectPoint the connect point where the packet should be
 *                     sent out
 */
private void forwardPacketToDst(PacketContext context, ConnectPoint connectPoint) {
    TrafficTreatment treatment = DefaultTrafficTreatment.builder().setOutput(connectPoint.port()).build();
    OutboundPacket packet = new DefaultOutboundPacket(connectPoint.deviceId(), treatment, context.inPacket().unparsed());
    packetService.emit(packet);
    log.trace("sending packet: {}", packet);
}
Also used : DefaultOutboundPacket(org.onosproject.net.packet.DefaultOutboundPacket) DefaultTrafficTreatment(org.onosproject.net.flow.DefaultTrafficTreatment) TrafficTreatment(org.onosproject.net.flow.TrafficTreatment) OutboundPacket(org.onosproject.net.packet.OutboundPacket) DefaultOutboundPacket(org.onosproject.net.packet.DefaultOutboundPacket)

Example 8 with DefaultOutboundPacket

use of org.onosproject.net.packet.DefaultOutboundPacket in project onos by opennetworkinglab.

the class KubevirtFloatingIpHandler method processGarpPacketForFloatingIp.

private void processGarpPacketForFloatingIp(KubevirtFloatingIp floatingIp, KubevirtNode electedGw) {
    if (floatingIp == null) {
        return;
    }
    KubevirtPort kubevirtPort = getKubevirtPortByFloatingIp(floatingIp);
    if (kubevirtPort == null) {
        return;
    }
    Ethernet ethernet = buildGarpPacket(kubevirtPort.macAddress(), floatingIp.floatingIp());
    if (ethernet == null) {
        return;
    }
    TrafficTreatment treatment = DefaultTrafficTreatment.builder().setOutput(externalPatchPortNum(deviceService, electedGw)).build();
    packetService.emit(new DefaultOutboundPacket(electedGw.intgBridge(), treatment, ByteBuffer.wrap(ethernet.serialize())));
}
Also used : Ethernet(org.onlab.packet.Ethernet) DefaultOutboundPacket(org.onosproject.net.packet.DefaultOutboundPacket) KubevirtPort(org.onosproject.kubevirtnetworking.api.KubevirtPort) DefaultTrafficTreatment(org.onosproject.net.flow.DefaultTrafficTreatment) TrafficTreatment(org.onosproject.net.flow.TrafficTreatment)

Example 9 with DefaultOutboundPacket

use of org.onosproject.net.packet.DefaultOutboundPacket in project onos by opennetworkinglab.

the class VirtualNetworkPacketManagerTest method emitTest.

/**
 * Tests the correct usage of emit() for a outbound packet.
 */
@Test
public void emitTest() {
    OutboundPacket packet = new DefaultOutboundPacket(VDID1, DefaultTrafficTreatment.emptyTreatment(), ByteBuffer.allocate(5));
    packetManager1.emit(packet);
    assertEquals("Packet not emitted correctly", packet, emittedPacket);
}
Also used : DefaultOutboundPacket(org.onosproject.net.packet.DefaultOutboundPacket) OutboundPacket(org.onosproject.net.packet.OutboundPacket) DefaultOutboundPacket(org.onosproject.net.packet.DefaultOutboundPacket) Test(org.junit.Test)

Example 10 with DefaultOutboundPacket

use of org.onosproject.net.packet.DefaultOutboundPacket in project onos by opennetworkinglab.

the class VirtualNetworkPacketManagerWithDistStoreTest method emit2Test.

/**
 * Tests the correct usage of emit() for a outbound packet - master of packet's
 * sendThrough is not local node.
 */
@Test
@Ignore("Ignore until there is MastershipService support for virtual devices")
public void emit2Test() {
    OutboundPacket packet = new DefaultOutboundPacket(VDID2, DefaultTrafficTreatment.emptyTreatment(), ByteBuffer.allocate(5));
    packetManager1.emit(packet);
    assertNull("Packet should not have been emmitted", emittedPacket);
}
Also used : DefaultOutboundPacket(org.onosproject.net.packet.DefaultOutboundPacket) OutboundPacket(org.onosproject.net.packet.OutboundPacket) DefaultOutboundPacket(org.onosproject.net.packet.DefaultOutboundPacket) Ignore(org.junit.Ignore) Test(org.junit.Test)

Aggregations

DefaultOutboundPacket (org.onosproject.net.packet.DefaultOutboundPacket)53 TrafficTreatment (org.onosproject.net.flow.TrafficTreatment)42 DefaultTrafficTreatment (org.onosproject.net.flow.DefaultTrafficTreatment)41 OutboundPacket (org.onosproject.net.packet.OutboundPacket)32 Ethernet (org.onlab.packet.Ethernet)23 ByteBuffer (java.nio.ByteBuffer)12 ConnectPoint (org.onosproject.net.ConnectPoint)12 PortNumber (org.onosproject.net.PortNumber)11 IpAddress (org.onlab.packet.IpAddress)9 Test (org.junit.Test)8 DeviceId (org.onosproject.net.DeviceId)8 InboundPacket (org.onosproject.net.packet.InboundPacket)7 PacketContext (org.onosproject.net.packet.PacketContext)7 Set (java.util.Set)6 MacAddress (org.onlab.packet.MacAddress)6 ApplicationId (org.onosproject.core.ApplicationId)6 PacketProcessor (org.onosproject.net.packet.PacketProcessor)6 DefaultInboundPacket (org.onosproject.net.packet.DefaultInboundPacket)5 PacketService (org.onosproject.net.packet.PacketService)5 PiPacketOperation (org.onosproject.net.pi.runtime.PiPacketOperation)5