import org.opendaylight.controller.liblldp.BufferException;
import org.opendaylight.genius.mdsalutil.MetaDataUtil;
import org.opendaylight.netvirt.ipv6service.utils.Ipv6Constants;
+import org.opendaylight.netvirt.ipv6service.utils.Ipv6Constants.Ipv6RtrAdvertType;
import org.opendaylight.netvirt.ipv6service.utils.Ipv6ServiceUtils;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IetfInetUtil;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.ipv6service.nd.packet.rev160620.EthernetHeader;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.ipv6service.nd.packet.rev160620.NeighborAdvertisePacketBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.ipv6service.nd.packet.rev160620.NeighborSolicitationPacket;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.ipv6service.nd.packet.rev160620.NeighborSolicitationPacketBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.ipv6service.nd.packet.rev160620.RouterAdvertisementPacket;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.ipv6service.nd.packet.rev160620.RouterAdvertisementPacketBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.ipv6service.nd.packet.rev160620.RouterSolicitationPacket;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.ipv6service.nd.packet.rev160620.RouterSolicitationPacketBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.ipv6service.nd.packet.rev160620.router.advertisement.packet.PrefixList;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.ipv6service.nd.packet.rev160620.router.advertisement.packet.PrefixListBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingListener;
import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingService;
import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketReceived;
public class Ipv6PktHandler implements AutoCloseable, PacketProcessingListener {
private static final Logger LOG = LoggerFactory.getLogger(Ipv6PktHandler.class);
private long pktProccessedCounter = 0;
- private PacketProcessingService pktService;
- private IfMgr ifMgr;
- private Ipv6ServiceUtils ipv6Utils;
+ private final PacketProcessingService pktService;
+ private final IfMgr ifMgr;
+ private final Ipv6ServiceUtils ipv6Utils;
private final ExecutorService packetProcessor = Executors.newCachedThreadPool();
- public Ipv6PktHandler() {
+ public Ipv6PktHandler(PacketProcessingService pktService) {
+ this.pktService = pktService;
+ ifMgr = IfMgr.getIfMgrInstance();
this.ipv6Utils = Ipv6ServiceUtils.getInstance();
}
- public void setPacketProcessingService(PacketProcessingService packetService) {
- this.pktService = packetService;
- }
-
- public void setIfMgrInstance(IfMgr instance) {
- this.ifMgr = instance;
- }
-
@Override
public void onPacketReceived(PacketReceived packetReceived) {
int ethType;
VirtualPort port = ifMgr.obtainV6Interface(new Uuid(interfaceName));
if (port == null) {
pktProccessedCounter++;
- LOG.warn("Port {} not found, skipping.", port);
+ LOG.info("Port {} not found, skipping.", port);
return;
}
LOG.warn("Port {} is not associated to a Router, skipping.", routerPort);
return;
}
-
- RouterAdvertisementPacketBuilder raPacket = new RouterAdvertisementPacketBuilder();
- updateRAResponse(rsPdu, raPacket, rsPdu.getSourceMac(), routerPort);
- // Serialize the response packet
- byte[] txPayload = fillRouterAdvertisementPacket(raPacket.build());
- InstanceIdentifier<Node> outNode = packet.getIngress().getValue().firstIdentifierOf(Node.class);
- TransmitPacketInput input = new TransmitPacketInputBuilder().setPayload(txPayload)
- .setNode(new NodeRef(outNode))
- .setEgress(packet.getIngress()).build();
- if (pktService != null) {
- LOG.debug("Transmitting the Router Advt packet out {}", packet.getIngress());
- pktService.transmitPacket(input);
- pktProccessedCounter++;
- }
+ Ipv6RouterAdvt ipv6RouterAdvert = new Ipv6RouterAdvt();
+ List<NodeConnectorRef> ncRefList = new ArrayList<>();
+ ncRefList.add(packet.getIngress());
+ ipv6RouterAdvert.transmitRtrAdvertisement(Ipv6RtrAdvertType.SOLICITED_ADVERTISEMENT,
+ routerPort, ncRefList, rsPdu);
+ pktProccessedCounter = pktProccessedCounter + 1;
}
private RouterSolicitationPacket deserializeRSPacket(byte[] data) {
}
return rsPdu.build();
}
-
- private void updateRAResponse(RouterSolicitationPacket pdu,
- RouterAdvertisementPacketBuilder raPacket,
- MacAddress vmMac, VirtualPort routerPort) {
- short icmpv6RaFlags = 0;
- String gatewayMac = null;
- IpAddress gatewayIp;
- List<String> autoConfigPrefixList = new ArrayList<>();
- List<String> statefulConfigPrefixList = new ArrayList<>();
-
- for (VirtualSubnet subnet : routerPort.getSubnets()) {
- gatewayIp = subnet.getGatewayIp();
- // Skip if its a v4 subnet.
- if (gatewayIp.getIpv4Address() != null) {
- continue;
- }
-
- if (!subnet.getIpv6RAMode().isEmpty()) {
- if (Ipv6Constants.IPV6_AUTO_ADDRESS_SUBNETS.contains(subnet.getIpv6RAMode())) {
- autoConfigPrefixList.add(String.valueOf(subnet.getSubnetCidr().getValue()));
- }
-
- if (subnet.getIpv6RAMode().equalsIgnoreCase(Ipv6Constants.IPV6_DHCPV6_STATEFUL)) {
- statefulConfigPrefixList.add(String.valueOf(subnet.getSubnetCidr().getValue()));
- }
- }
-
- if (subnet.getIpv6RAMode().equalsIgnoreCase(Ipv6Constants.IPV6_DHCPV6_STATELESS)) {
- icmpv6RaFlags = (short) (icmpv6RaFlags | (1 << 6)); // Other Configuration.
- } else if (subnet.getIpv6RAMode().equalsIgnoreCase(Ipv6Constants.IPV6_DHCPV6_STATEFUL)) {
- icmpv6RaFlags = (short) (icmpv6RaFlags | (1 << 7)); // Managed Address Conf.
- }
- }
-
- gatewayMac = routerPort.getMacAddress();
-
- MacAddress sourceMac = MacAddress.getDefaultInstance(gatewayMac);
- raPacket.setSourceMac(sourceMac);
- raPacket.setDestinationMac(vmMac);
- raPacket.setEthertype(pdu.getEthertype());
-
- raPacket.setVersion(pdu.getVersion());
- raPacket.setFlowLabel(pdu.getFlowLabel());
- int prefixListLength = autoConfigPrefixList.size() + statefulConfigPrefixList.size();
- raPacket.setIpv6Length(Ipv6Constants.ICMPV6_RA_LENGTH_WO_OPTIONS
- + Ipv6Constants.ICMPV6_OPTION_SOURCE_LLA_LENGTH
- + prefixListLength * Ipv6Constants.ICMPV6_OPTION_PREFIX_LENGTH);
- raPacket.setNextHeader(pdu.getNextHeader());
- raPacket.setHopLimit(Ipv6Constants.ICMP_V6_MAX_HOP_LIMIT);
- raPacket.setSourceIpv6(ipv6Utils.getIpv6LinkLocalAddressFromMac(sourceMac));
- raPacket.setDestinationIpv6(pdu.getSourceIpv6());
-
- raPacket.setIcmp6Type(Ipv6Constants.ICMP_V6_RA_CODE);
- raPacket.setIcmp6Code((short)0);
- raPacket.setIcmp6Chksum(0);
-
- raPacket.setCurHopLimit((short) Ipv6Constants.IPV6_DEFAULT_HOP_LIMIT);
- raPacket.setFlags((short) icmpv6RaFlags);
- raPacket.setRouterLifetime(Ipv6Constants.IPV6_ROUTER_LIFETIME);
- raPacket.setReachableTime((long) 0);
- raPacket.setRetransTime((long) 0);
-
- raPacket.setOptionSourceAddr((short)1);
- raPacket.setSourceAddrLength((short)1);
- raPacket.setSourceLlAddress(MacAddress.getDefaultInstance(gatewayMac));
-
- List<PrefixList> prefixList = new ArrayList<>();
- PrefixListBuilder prefix = new PrefixListBuilder();
- prefix.setOptionType((short)3);
- prefix.setOptionLength((short)4);
- // Note: EUI-64 auto-configuration requires 64 bits.
- prefix.setPrefixLength((short)64);
- prefix.setValidLifetime((long) Ipv6Constants.IPV6_RA_VALID_LIFETIME);
- prefix.setPreferredLifetime((long) Ipv6Constants.IPV6_RA_PREFERRED_LIFETIME);
- prefix.setReserved((long) 0);
-
- short autoConfPrefixFlags = 0;
- autoConfPrefixFlags = (short) (autoConfPrefixFlags | (1 << 7)); // On-link flag
- autoConfPrefixFlags = (short) (autoConfPrefixFlags | (1 << 6)); // Autonomous address-configuration flag.
- for (String v6Prefix : autoConfigPrefixList) {
- prefix.setFlags((short)autoConfPrefixFlags);
- prefix.setPrefix(new Ipv6Prefix(v6Prefix));
- prefixList.add(prefix.build());
- }
-
- short statefulPrefixFlags = 0;
- statefulPrefixFlags = (short) (statefulPrefixFlags | (1 << 7)); // On-link flag
- for (String v6Prefix : statefulConfigPrefixList) {
- prefix.setFlags((short)statefulPrefixFlags);
- prefix.setPrefix(new Ipv6Prefix(v6Prefix));
- prefixList.add(prefix.build());
- }
-
- raPacket.setPrefixList((List<PrefixList>) prefixList);
-
- return;
- }
-
- private byte[] fillRouterAdvertisementPacket(RouterAdvertisementPacket pdu) {
- ByteBuffer buf = ByteBuffer.allocate(Ipv6Constants.ICMPV6_OFFSET + pdu.getIpv6Length());
-
- buf.put(ipv6Utils.convertEthernetHeaderToByte((EthernetHeader)pdu), 0, 14);
- buf.put(ipv6Utils.convertIpv6HeaderToByte((Ipv6Header)pdu), 0, 40);
- buf.put(icmp6RAPayloadtoByte(pdu), 0, pdu.getIpv6Length());
- int checksum = ipv6Utils.calcIcmpv6Checksum(buf.array(), (Ipv6Header) pdu);
- buf.putShort((Ipv6Constants.ICMPV6_OFFSET + 2), (short)checksum);
- return (buf.array());
- }
-
- private byte[] icmp6RAPayloadtoByte(RouterAdvertisementPacket pdu) {
- byte[] data = new byte[pdu.getIpv6Length()];
- Arrays.fill(data, (byte)0);
-
- ByteBuffer buf = ByteBuffer.wrap(data);
- buf.put((byte)pdu.getIcmp6Type().shortValue());
- buf.put((byte)pdu.getIcmp6Code().shortValue());
- buf.putShort((short)pdu.getIcmp6Chksum().intValue());
- buf.put((byte)pdu.getCurHopLimit().shortValue());
- buf.put((byte)pdu.getFlags().shortValue());
- buf.putShort((short)pdu.getRouterLifetime().intValue());
- buf.putInt((int)pdu.getReachableTime().longValue());
- buf.putInt((int)pdu.getRetransTime().longValue());
- buf.put((byte)pdu.getOptionSourceAddr().shortValue());
- buf.put((byte)pdu.getSourceAddrLength().shortValue());
- buf.put(ipv6Utils.bytesFromHexString(pdu.getSourceLlAddress().getValue().toString()));
-
- for (PrefixList prefix : pdu.getPrefixList()) {
- buf.put((byte)prefix.getOptionType().shortValue());
- buf.put((byte)prefix.getOptionLength().shortValue());
- buf.put((byte)prefix.getPrefixLength().shortValue());
- buf.put((byte)prefix.getFlags().shortValue());
- buf.putInt((int)prefix.getValidLifetime().longValue());
- buf.putInt((int)prefix.getPreferredLifetime().longValue());
- buf.putInt((int)prefix.getReserved().longValue());
- buf.put(IetfInetUtil.INSTANCE.ipv6PrefixToBytes(new Ipv6Prefix(prefix.getPrefix())),0,16);
- }
- return data;
- }
-
}
@Override
Code Review / netvirt.git / blobdiff