Examples with Ethernet org.onlab.packet.Ethernet used on opensource projects

Example 61 with Ethernet

use of org.onlab.packet.Ethernet in project onos by opennetworkinglab.

the class OpenstackSwitchingDhcpHandlerTest method testDiscover.

/**
 * Tests the response to a DHCP Discover Packet.
 */
@Test
public void testDiscover() {
    Ethernet dhcpDiscover = constructDhcpPacket(DHCP.MsgType.DHCPDISCOVER);
    testMsgType = DHCP.MsgType.DHCPDISCOVER;
    sendPacket(dhcpDiscover);
}

Example 62 with Ethernet

use of org.onlab.packet.Ethernet in project onos by opennetworkinglab.

the class FabricInterpreter method mapInboundPacket.

@Override
public InboundPacket mapInboundPacket(PiPacketOperation packetIn, DeviceId deviceId) throws PiInterpreterException {
    // Assuming that the packet is ethernet, which is fine since fabric.p4
    // can deparse only ethernet packets.
    Ethernet ethPkt;
    try {
        ethPkt = Ethernet.deserializer().deserialize(packetIn.data().asArray(), 0, packetIn.data().size());
    } catch (DeserializationException dex) {
        throw new PiInterpreterException(dex.getMessage());
    }
    // Returns the ingress port packet metadata.
    Optional<PiPacketMetadata> packetMetadata = packetIn.metadatas().stream().filter(m -> m.id().equals(FabricConstants.INGRESS_PORT)).findFirst();
    if (packetMetadata.isPresent()) {
        ImmutableByteSequence portByteSequence = packetMetadata.get().value();
        short s = portByteSequence.asReadOnlyBuffer().getShort();
        ConnectPoint receivedFrom = new ConnectPoint(deviceId, PortNumber.portNumber(s));
        if (!receivedFrom.port().hasName()) {
            receivedFrom = translateSwitchPort(receivedFrom);
        }
        ByteBuffer rawData = ByteBuffer.wrap(packetIn.data().asArray());
        return new DefaultInboundPacket(receivedFrom, ethPkt, rawData);
    } else {
        throw new PiInterpreterException(format("Missing metadata '%s' in packet-in received from '%s': %s", FabricConstants.INGRESS_PORT, deviceId, packetIn));
    }
}

Example 63 with Ethernet

use of org.onlab.packet.Ethernet in project onos by opennetworkinglab.

the class NeighborAdvertisement method buildNdpAdv.

/**
 * Builds an NDP reply based on a request.
 *
 * @param srcIp   the IP address to use as the reply source
 * @param srcMac  the MAC address to use as the reply source
 * @param request the Neighbor Solicitation request we got
 * @return an Ethernet frame containing the Neighbor Advertisement reply
 */
public static Ethernet buildNdpAdv(Ip6Address srcIp, MacAddress srcMac, Ethernet request) {
    checkNotNull(srcIp, "IP address cannot be null");
    checkNotNull(srcMac, "MAC address cannot be null");
    checkNotNull(request, "Request cannot be null");
    checkArgument(request.getEtherType() == Ethernet.TYPE_IPV6, "EtherType must be IPv6");
    final IPv6 ipv6Request = (IPv6) request.getPayload();
    checkArgument(ipv6Request.getNextHeader() == IPv6.PROTOCOL_ICMP6, "Protocol must be ICMP6");
    final ICMP6 icmpv6 = (ICMP6) ipv6Request.getPayload();
    checkArgument(icmpv6.getIcmpType() == ICMP6.NEIGHBOR_SOLICITATION, "ICMP6 type must be NEIGHBOR_SOLICITATION");
    Ethernet eth = new Ethernet();
    eth.setDestinationMACAddress(request.getSourceMAC());
    eth.setSourceMACAddress(srcMac);
    eth.setEtherType(Ethernet.TYPE_IPV6);
    eth.setVlanID(request.getVlanID());
    IPv6 ipv6 = new IPv6();
    ipv6.setSourceAddress(srcIp.toOctets());
    ipv6.setDestinationAddress(ipv6Request.getSourceAddress());
    ipv6.setHopLimit(NDP_HOP_LIMIT);
    ipv6.setNextHeader(IPv6.PROTOCOL_ICMP6);
    ICMP6 icmp6 = new ICMP6();
    icmp6.setIcmpType(ICMP6.NEIGHBOR_ADVERTISEMENT);
    icmp6.setIcmpCode(RESERVED_CODE);
    NeighborAdvertisement nadv = new NeighborAdvertisement();
    nadv.setTargetAddress(srcIp.toOctets());
    nadv.setSolicitedFlag(NDP_SOLICITED_FLAG);
    nadv.setOverrideFlag(NDP_OVERRIDE_FLAG);
    nadv.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS, srcMac.toBytes());
    icmp6.setPayload(nadv);
    ipv6.setPayload(icmp6);
    eth.setPayload(ipv6);
    return eth;
}

Example 64 with Ethernet

use of org.onlab.packet.Ethernet in project onos by opennetworkinglab.

the class Dhcp6RelayTest method serializeRequest.

/**
 * Test serialize relay message with request message.
 *
 * @throws Exception exception while serialize the DHCPv6 payload
 */
@Test
public void serializeRequest() throws Exception {
    DHCP6 relayMsg = new DHCP6();
    relayMsg.setMsgType(DHCP6.MsgType.RELAY_FORW.value());
    relayMsg.setHopCount((byte) HOP_COUNT);
    relayMsg.setLinkAddress(LINK_ADDRESS.toOctets());
    relayMsg.setPeerAddress(PEER_ADDRESS.toOctets());
    DHCP6 relaiedDhcp6 = new DHCP6();
    relaiedDhcp6.setMsgType(DHCP6.MsgType.REQUEST.value());
    relaiedDhcp6.setTransactionId(XID_2);
    List<Dhcp6Option> options = Lists.newArrayList();
    // Client ID
    Dhcp6Duid duid = new Dhcp6Duid();
    duid.setDuidType(Dhcp6Duid.DuidType.DUID_LLT);
    duid.setHardwareType((short) 1);
    duid.setDuidTime(CLIENT_DUID_TIME);
    duid.setLinkLayerAddress(CLIENT_MAC.toBytes());
    Dhcp6ClientIdOption clientIdOption = new Dhcp6ClientIdOption();
    clientIdOption.setDuid(duid);
    options.add(clientIdOption);
    // Server ID
    Dhcp6Option option = new Dhcp6Option();
    option.setCode(DHCP6.OptionCode.SERVERID.value());
    option.setLength((short) 14);
    Dhcp6Duid serverDuid = new Dhcp6Duid();
    serverDuid.setDuidType(Dhcp6Duid.DuidType.DUID_LLT);
    serverDuid.setLinkLayerAddress(SERVER_MAC.toBytes());
    serverDuid.setHardwareType((short) 1);
    serverDuid.setDuidTime(0x211e5340);
    option.setData(serverDuid.serialize());
    options.add(option);
    // Option request
    option = new Dhcp6Option();
    option.setCode(DHCP6.OptionCode.ORO.value());
    option.setLength((short) 8);
    option.setData(new byte[] { 0, 23, 0, 24, 0, 39, 0, 31 });
    options.add(option);
    // Elapsed Time
    option = new Dhcp6Option();
    option.setCode(DHCP6.OptionCode.ELAPSED_TIME.value());
    option.setLength((short) 2);
    option.setData(new byte[] { 0, 0 });
    options.add(option);
    // IA address
    Dhcp6IaAddressOption iaAddressOption = new Dhcp6IaAddressOption();
    iaAddressOption.setIp6Address(IA_ADDRESS);
    iaAddressOption.setPreferredLifetime(PREFFERRED_LT_REQ);
    iaAddressOption.setValidLifetime(VALID_LT_REQ_2);
    // IA NA
    Dhcp6IaNaOption iaNaOption = new Dhcp6IaNaOption();
    iaNaOption.setIaId(IA_ID);
    iaNaOption.setT1(T1_CLIENT);
    iaNaOption.setT2(T2_CLIENT);
    iaNaOption.setOptions(ImmutableList.of(iaAddressOption));
    options.add(iaNaOption);
    relaiedDhcp6.setOptions(options);
    Dhcp6Option subscriberId = new Dhcp6Option();
    subscriberId.setCode(DHCP6.OptionCode.SUBSCRIBER_ID.value());
    subscriberId.setLength((short) 10);
    subscriberId.setData(SERVER_IP.toString().getBytes(US_ASCII));
    Dhcp6RelayOption relayOption = new Dhcp6RelayOption();
    relayOption.setPayload(relaiedDhcp6);
    relayMsg.setOptions(ImmutableList.of(subscriberId, relayOption));
    UDP udp = new UDP();
    udp.setSourcePort(UDP.DHCP_V6_SERVER_PORT);
    udp.setDestinationPort(UDP.DHCP_V6_SERVER_PORT);
    udp.setPayload(relayMsg);
    udp.setChecksum((short) 0x9aab);
    IPv6 ipv6 = new IPv6();
    ipv6.setHopLimit((byte) 32);
    ipv6.setSourceAddress(DOWNSTREAM_LL.toOctets());
    ipv6.setDestinationAddress(DHCP6_BRC.toOctets());
    ipv6.setNextHeader(IPv6.PROTOCOL_UDP);
    ipv6.setTrafficClass((byte) 0);
    ipv6.setFlowLabel(0x000cbf64);
    ipv6.setPayload(udp);
    Ethernet eth = new Ethernet();
    eth.setDestinationMACAddress(IPV6_MCAST);
    eth.setSourceMACAddress(DOWNSTREAM_MAC);
    eth.setEtherType(Ethernet.TYPE_IPV6);
    eth.setPayload(ipv6);
    assertArrayEquals(Resources.toByteArray(Dhcp6RelayTest.class.getResource(REQUEST)), eth.serialize());
}

Example 65 with Ethernet

use of org.onlab.packet.Ethernet in project onos by opennetworkinglab.

the class Dhcp6RelayTest method serializeAdvertise.

/**
 * Test serialize relay message with advertise message.
 *
 * @throws Exception exception while serialize the DHCPv6 payload
 */
@Test
public void serializeAdvertise() throws Exception {
    DHCP6 relayMsg = new DHCP6();
    relayMsg.setMsgType(DHCP6.MsgType.RELAY_REPL.value());
    relayMsg.setHopCount((byte) HOP_COUNT);
    relayMsg.setLinkAddress(LINK_ADDRESS.toOctets());
    relayMsg.setPeerAddress(PEER_ADDRESS.toOctets());
    DHCP6 relaiedDhcp6 = new DHCP6();
    relaiedDhcp6.setMsgType(DHCP6.MsgType.ADVERTISE.value());
    relaiedDhcp6.setTransactionId(XID_1);
    List<Dhcp6Option> options = Lists.newArrayList();
    // IA address
    Dhcp6IaAddressOption iaAddressOption = new Dhcp6IaAddressOption();
    iaAddressOption.setIp6Address(IA_ADDRESS);
    iaAddressOption.setPreferredLifetime(PREFFERRED_LT_SERVER);
    iaAddressOption.setValidLifetime(VALID_LT_SERVER);
    // IA NA
    Dhcp6IaNaOption iaNaOption = new Dhcp6IaNaOption();
    iaNaOption.setIaId(IA_ID);
    iaNaOption.setT1(T1_SERVER);
    iaNaOption.setT2(T2_SERVER);
    iaNaOption.setOptions(ImmutableList.of(iaAddressOption));
    options.add(iaNaOption);
    // Client ID
    Dhcp6Duid duid = new Dhcp6Duid();
    duid.setDuidType(Dhcp6Duid.DuidType.DUID_LLT);
    duid.setHardwareType((short) 1);
    duid.setDuidTime(CLIENT_DUID_TIME);
    duid.setLinkLayerAddress(CLIENT_MAC.toBytes());
    Dhcp6ClientIdOption clientIdOption = new Dhcp6ClientIdOption();
    clientIdOption.setDuid(duid);
    options.add(clientIdOption);
    // Server ID
    Dhcp6Option option = new Dhcp6Option();
    option.setCode(DHCP6.OptionCode.SERVERID.value());
    option.setLength((short) 14);
    Dhcp6Duid serverDuid = new Dhcp6Duid();
    serverDuid.setDuidType(Dhcp6Duid.DuidType.DUID_LLT);
    serverDuid.setLinkLayerAddress(SERVER_MAC.toBytes());
    serverDuid.setHardwareType((short) 1);
    serverDuid.setDuidTime(0x211e5340);
    option.setData(serverDuid.serialize());
    options.add(option);
    relaiedDhcp6.setOptions(options);
    Dhcp6RelayOption relayOption = new Dhcp6RelayOption();
    relayOption.setPayload(relaiedDhcp6);
    relayMsg.setOptions(ImmutableList.of(relayOption));
    UDP udp = new UDP();
    udp.setSourcePort(UDP.DHCP_V6_SERVER_PORT);
    udp.setDestinationPort(UDP.DHCP_V6_SERVER_PORT);
    udp.setPayload(relayMsg);
    udp.setChecksum((short) 0x0000019d);
    IPv6 ipv6 = new IPv6();
    ipv6.setHopLimit((byte) 64);
    ipv6.setSourceAddress(SERVER_LL.toOctets());
    ipv6.setDestinationAddress(DOWNSTREAM_LL.toOctets());
    ipv6.setNextHeader(IPv6.PROTOCOL_UDP);
    ipv6.setTrafficClass((byte) 0);
    ipv6.setFlowLabel(0x000c72ef);
    ipv6.setPayload(udp);
    Ethernet eth = new Ethernet();
    eth.setDestinationMACAddress(DOWNSTREAM_MAC);
    eth.setSourceMACAddress(SERVER_MAC);
    eth.setEtherType(Ethernet.TYPE_IPV6);
    eth.setPayload(ipv6);
    assertArrayEquals(Resources.toByteArray(Dhcp6RelayTest.class.getResource(ADVERTISE)), eth.serialize());
}