Package net.floodlightcontroller.packet

Examples of net.floodlightcontroller.packet.ARP

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        if (eth.isBroadcast() || eth.isMulticast()) {
            // handle ARP for VIP
            if (pkt instanceof ARP) {
                // retrieve arp to determine target IP address                                                      
                ARP arpRequest = (ARP) eth.getPayload();

                int targetProtocolAddress = IPv4.toIPv4Address(arpRequest
                                                               .getTargetProtocolAddress());

                if (vipIpToId.containsKey(targetProtocolAddress)) {
                    String vipId = vipIpToId.get(targetProtocolAddress);
                    vipProxyArpReply(sw, pi, cntx, vipId);
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                                                              IFloodlightProviderService.CONTEXT_PI_PAYLOAD);

        // retrieve original arp to determine host configured gw IP address                                         
        if (! (eth.getPayload() instanceof ARP))
            return;
        ARP arpRequest = (ARP) eth.getPayload();
       
        // have to do proxy arp reply since at this point we cannot determine the requesting application type
        byte[] vipProxyMacBytes = vips.get(vipId).proxyMac.toBytes();
       
        // generate proxy ARP reply
        IPacket arpReply = new Ethernet()
            .setSourceMACAddress(vipProxyMacBytes)
            .setDestinationMACAddress(eth.getSourceMACAddress())
            .setEtherType(Ethernet.TYPE_ARP)
            .setVlanID(eth.getVlanID())
            .setPriorityCode(eth.getPriorityCode())
            .setPayload(
                new ARP()
                .setHardwareType(ARP.HW_TYPE_ETHERNET)
                .setProtocolType(ARP.PROTO_TYPE_IP)
                .setHardwareAddressLength((byte) 6)
                .setProtocolAddressLength((byte) 4)
                .setOpCode(ARP.OP_REPLY)
                .setSenderHardwareAddress(vipProxyMacBytes)
                .setSenderProtocolAddress(
                        arpRequest.getTargetProtocolAddress())
                .setTargetHardwareAddress(
                        eth.getSourceMACAddress())
                .setTargetProtocolAddress(
                        arpRequest.getSenderProtocolAddress()));
               
        // push ARP reply out
        pushPacket(arpReply, sw, OFPacketOut.BUFFER_ID_NONE, OFPort.OFPP_NONE.getValue(),
                   pi.getInPort(), cntx, true);
        log.debug("proxy ARP reply pushed as {}", IPv4.fromIPv4Address(vips.get(vipId).address));
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     * @param dlAddr
     * @return
     */
    private int getSrcNwAddr(Ethernet eth, long dlAddr) {
        if (eth.getPayload() instanceof ARP) {
            ARP arp = (ARP) eth.getPayload();
            if ((arp.getProtocolType() == ARP.PROTO_TYPE_IP) &&
                    (Ethernet.toLong(arp.getSenderHardwareAddress()) == dlAddr)) {
                return IPv4.toIPv4Address(arp.getSenderProtocolAddress());
            }
        }
        return 0;
    }
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    protected void learnDeviceFromArpResponseData(Ethernet eth,
                                            long swdpid,
                                            int port) {

        if (!(eth.getPayload() instanceof ARP)) return;
        ARP arp = (ARP) eth.getPayload();

        byte[] dlAddrArr = eth.getSourceMACAddress();
        long dlAddr = Ethernet.toLong(dlAddrArr);

        byte[] senderHardwareAddr = arp.getSenderHardwareAddress();
        long senderAddr = Ethernet.toLong(senderHardwareAddr);

        if (dlAddr == senderAddr) return;

        // Ignore broadcast/multicast source
        if ((senderHardwareAddr[0] & 0x1) != 0)
            return;
        // Ignore zero sender mac
        if (senderAddr == 0)
            return;

        short vlan = eth.getVlanID();
        int nwSrc = IPv4.toIPv4Address(arp.getSenderProtocolAddress());

        Entity e =  new Entity(senderAddr,
                ((vlan >= 0) ? vlan : null),
                ((nwSrc != 0) ? nwSrc : null),
                swdpid,
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        .setDestinationMACAddress("FF:FF:FF:FF:FF:FF")
        .setSourceMACAddress("00:44:33:22:11:00")
        .setVlanID((short) 42)
        .setEtherType(Ethernet.TYPE_ARP)
        .setPayload(
                new ARP()
                .setHardwareType(ARP.HW_TYPE_ETHERNET)
                .setProtocolType(ARP.PROTO_TYPE_IP)
                .setOpCode(ARP.OP_REQUEST)
                .setHardwareAddressLength((byte)6)
                .setProtocolAddressLength((byte)4)
                .setSenderHardwareAddress(Ethernet.toMACAddress("00:44:33:22:11:00"))
                .setSenderProtocolAddress(IPv4.toIPv4Address("192.168.1.1"))
                .setTargetHardwareAddress(Ethernet.toMACAddress("00:00:00:00:00:00"))
                .setTargetProtocolAddress(IPv4.toIPv4Address("192.168.1.2"))
                .setPayload(new Data(new byte[] {0x01})));

        // Build a ARP packet
        this.ARPReplyPacket = new Ethernet()
        .setDestinationMACAddress("00:44:33:22:11:00")
        .setSourceMACAddress("00:11:22:33:44:55")
        .setVlanID((short) 42)
        .setEtherType(Ethernet.TYPE_ARP)
        .setPayload(
                new ARP()
                .setHardwareType(ARP.HW_TYPE_ETHERNET)
                .setProtocolType(ARP.PROTO_TYPE_IP)
                .setOpCode(ARP.OP_REQUEST)
                .setHardwareAddressLength((byte)6)
                .setProtocolAddressLength((byte)4)
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        testPacket = new Ethernet()
        .setSourceMACAddress(srcMac)
        .setDestinationMACAddress("00:11:22:33:44:55")
        .setEtherType(Ethernet.TYPE_ARP)
        .setPayload(
                new ARP()
                .setHardwareType(ARP.HW_TYPE_ETHERNET)
                .setProtocolType(ARP.PROTO_TYPE_IP)
                .setHardwareAddressLength((byte) 6)
                .setProtocolAddressLength((byte) 4)
                .setOpCode(ARP.OP_REPLY)
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     .setDestinationMACAddress("ff:ff:ff:ff:ff:ff")
     .setEtherType(Ethernet.TYPE_ARP)
     .setVlanID((short) 0)
     .setPriorityCode((byte) 0)
     .setPayload(
         new ARP()
         .setHardwareType(ARP.HW_TYPE_ETHERNET)
         .setProtocolType(ARP.PROTO_TYPE_IP)
         .setHardwareAddressLength((byte) 6)
         .setProtocolAddressLength((byte) 4)
         .setOpCode(ARP.OP_REQUEST)
         .setSenderHardwareAddress(HexString.fromHexString("00:00:00:00:00:01"))
         .setSenderProtocolAddress(IPv4.toIPv4AddressBytes("10.0.0.1"))
         .setTargetHardwareAddress(HexString.fromHexString("00:00:00:00:00:00"))
         .setTargetProtocolAddress(IPv4.toIPv4AddressBytes("10.0.0.100")));

     arpRequest1Serialized = arpRequest1.serialize();

     arpRequestPacketIn1 =
             ((OFPacketIn) getMockFloodlightProvider().getOFMessageFactory().
                     getMessage(OFType.PACKET_IN))
                     .setBufferId(-1)
                     .setInPort((short) 1)
                     .setPacketData(arpRequest1Serialized)
                     .setReason(OFPacketInReason.NO_MATCH)
                     .setTotalLength((short) arpRequest1Serialized.length);

     IFloodlightProviderService.bcStore.put(cntx,
                                            IFloodlightProviderService.CONTEXT_PI_PAYLOAD,
                                            (Ethernet) arpRequest1);

     // Mock proxy arp packet-out
     arpReply1 = new Ethernet()
     .setSourceMACAddress(LBVip.LB_PROXY_MAC)
     .setDestinationMACAddress(HexString.fromHexString("00:00:00:00:00:01"))
     .setEtherType(Ethernet.TYPE_ARP)
     .setVlanID((short) 0)
     .setPriorityCode((byte) 0)
     .setPayload(
         new ARP()
         .setHardwareType(ARP.HW_TYPE_ETHERNET)
         .setProtocolType(ARP.PROTO_TYPE_IP)
         .setHardwareAddressLength((byte) 6)
         .setProtocolAddressLength((byte) 4)
         .setOpCode(ARP.OP_REPLY)
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        testPacket = new Ethernet()
        .setSourceMACAddress("00:44:33:22:11:00")
        .setDestinationMACAddress("00:11:22:33:44:55")
        .setEtherType(Ethernet.TYPE_ARP)
        .setPayload(
                new ARP()
                .setHardwareType(ARP.HW_TYPE_ETHERNET)
                .setProtocolType(ARP.PROTO_TYPE_IP)
                .setHardwareAddressLength((byte) 6)
                .setProtocolAddressLength((byte) 4)
                .setOpCode(ARP.OP_REPLY)
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        IPacket testPacket = new Ethernet()
        .setSourceMACAddress("00:44:33:22:11:00")
        .setDestinationMACAddress("00:11:22:33:44:55")
        .setEtherType(Ethernet.TYPE_ARP)
        .setPayload(
                new ARP()
                .setHardwareType(ARP.HW_TYPE_ETHERNET)
                .setProtocolType(ARP.PROTO_TYPE_IP)
                .setHardwareAddressLength((byte) 6)
                .setProtocolAddressLength((byte) 4)
                .setOpCode(ARP.OP_REPLY)
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        .setSourceMACAddress("00:44:33:22:11:01")
        .setDestinationMACAddress("00:11:22:33:44:55")
        .setEtherType(Ethernet.TYPE_ARP)
        .setVlanID((short)5)
        .setPayload(
                    new ARP()
                    .setHardwareType(ARP.HW_TYPE_ETHERNET)
                    .setProtocolType(ARP.PROTO_TYPE_IP)
                    .setHardwareAddressLength((byte) 6)
                    .setProtocolAddressLength((byte) 4)
                    .setOpCode(ARP.OP_REPLY)
                    .setSenderHardwareAddress(Ethernet.toMACAddress("00:44:33:22:11:01"))
                    .setSenderProtocolAddress(IPv4.toIPv4AddressBytes("192.168.1.1"))
                    .setTargetHardwareAddress(Ethernet.toMACAddress("00:11:22:33:44:55"))
                    .setTargetProtocolAddress(IPv4.toIPv4AddressBytes("192.168.1.2")));
        this.testARPReplyPacket_1_Srld = testARPReplyPacket_1.serialize();

        // Another test packet with the same ARP payload as packet 1 but with
        // a different source MAC. (i.e., sender MAC and source MAC differ)
        this.testARPReplyPacket_2 = new Ethernet()
        .setSourceMACAddress("00:99:88:77:66:55")
        .setDestinationMACAddress("00:11:22:33:44:55")
        .setEtherType(Ethernet.TYPE_ARP)
        .setVlanID((short)5)
        .setPayload(
                    new ARP()
                    .setHardwareType(ARP.HW_TYPE_ETHERNET)
                    .setProtocolType(ARP.PROTO_TYPE_IP)
                    .setHardwareAddressLength((byte) 6)
                    .setProtocolAddressLength((byte) 4)
                    .setOpCode(ARP.OP_REPLY)
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Related Classes of net.floodlightcontroller.packet.ARP

  • net.floodlightcontroller.core.internal.ControllerTest
  • net.floodlightcontroller.core.internal.OFSwitchBaseTest
  • net.floodlightcontroller.devicemanager.internal.DeviceManagerImpl
  • net.floodlightcontroller.devicemanager.internal.DeviceManagerImplTest
  • net.floodlightcontroller.firewall.FirewallTest
  • net.floodlightcontroller.loadbalancer.LoadBalancer
  • net.floodlightcontroller.loadbalancer.LoadBalancerTest
  • java.nio.ByteBuffer
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