Examples with PacketInReason org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PacketInReason used on opensource projects

Example 1 with PacketInReason

use of org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PacketInReason in project netvirt by opendaylight.

the class ElanPacketInHandler method onPacketReceived.

@Override
public void onPacketReceived(PacketReceived notification) {
    Class<? extends PacketInReason> pktInReason = notification.getPacketInReason();
    short tableId = notification.getTableId().getValue();
    if (pktInReason == NoMatch.class && tableId == NwConstants.ELAN_SMAC_TABLE) {
        ElanManagerCounters.unknown_smac_pktin_rcv.inc();
        try {
            byte[] data = notification.getPayload();
            Ethernet res = new Ethernet();
            res.deserialize(data, 0, data.length * NetUtils.NUM_BITS_IN_A_BYTE);
            byte[] srcMac = res.getSourceMACAddress();
            final String macAddress = NWUtil.toStringMacAddress(srcMac);
            final BigInteger metadata = notification.getMatch().getMetadata().getMetadata();
            final long elanTag = MetaDataUtil.getElanTagFromMetadata(metadata);
            long portTag = MetaDataUtil.getLportFromMetadata(metadata).intValue();
            Optional<IfIndexInterface> interfaceInfoOp = elanUtils.getInterfaceInfoByInterfaceTag(portTag);
            if (!interfaceInfoOp.isPresent()) {
                LOG.warn("There is no interface for given portTag {}", portTag);
                return;
            }
            String interfaceName = interfaceInfoOp.get().getInterfaceName();
            LOG.debug("Received a packet with srcMac: {} ElanTag: {} PortTag: {} InterfaceName: {}", macAddress, elanTag, portTag, interfaceName);
            ElanTagName elanTagName = elanUtils.getElanInfoByElanTag(elanTag);
            if (elanTagName == null) {
                LOG.warn("not able to find elanTagName in elan-tag-name-map for elan tag {}", elanTag);
                return;
            }
            ElanInterfaceMac elanInterfaceMac = elanUtils.getElanInterfaceMacByInterfaceName(interfaceName);
            if (elanInterfaceMac == null) {
                LOG.info("There is no ElanInterfaceForwardingEntryDS created for interface :{}", interfaceName);
                return;
            }
            String elanName = elanTagName.getName();
            PhysAddress physAddress = new PhysAddress(macAddress);
            MacEntry oldMacEntry = elanUtils.getMacEntryForElanInstance(elanName, physAddress).orNull();
            boolean isVlanOrFlatProviderIface = interfaceManager.isExternalInterface(interfaceName);
            Optional<IpAddress> srcIpAddress = elanUtils.getSourceIpAddress(res);
            MacEntry newMacEntry = null;
            BigInteger timeStamp = new BigInteger(String.valueOf(System.currentTimeMillis()));
            if (!srcIpAddress.isPresent()) {
                newMacEntry = new MacEntryBuilder().setInterface(interfaceName).setMacAddress(physAddress).setKey(new MacEntryKey(physAddress)).setControllerLearnedForwardingEntryTimestamp(timeStamp).setIsStaticAddress(false).build();
            } else {
                newMacEntry = new MacEntryBuilder().setInterface(interfaceName).setMacAddress(physAddress).setIpPrefix(srcIpAddress.get()).setKey(new MacEntryKey(physAddress)).setControllerLearnedForwardingEntryTimestamp(timeStamp).setIsStaticAddress(false).build();
            }
            if (srcIpAddress.isPresent()) {
                String prefix = srcIpAddress.get().getIpv4Address().getValue();
                InterfaceInfo interfaceInfo = interfaceManager.getInterfaceInfo(interfaceName);
                ElanInstance elanInstance = elanInstanceCache.get(elanName).orNull();
                evpnUtils.advertisePrefix(elanInstance, macAddress, prefix, interfaceName, interfaceInfo.getDpId());
            }
            enqueueJobForMacSpecificTasks(macAddress, elanTag, interfaceName, elanName, physAddress, oldMacEntry, newMacEntry, isVlanOrFlatProviderIface);
            ElanInstance elanInstance = elanInstanceCache.get(elanName).orNull();
            InterfaceInfo interfaceInfo = interfaceManager.getInterfaceInfo(interfaceName);
            if (interfaceInfo == null) {
                LOG.trace("Interface:{} is not present under Config DS", interfaceName);
                return;
            }
            enqueueJobForDPNSpecificTasks(macAddress, elanTag, interfaceName, physAddress, elanInstance, interfaceInfo, oldMacEntry, newMacEntry, isVlanOrFlatProviderIface);
        } catch (PacketException e) {
            LOG.error("Failed to decode packet: {}", notification, e);
        }
    }
}

Example 2 with PacketInReason

use of org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PacketInReason 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 3 with PacketInReason

use of org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PacketInReason in project openflowplugin by opendaylight.

the class SetAsyncInputMessageFactory method serializerFlowRemovedMask.

private static void serializerFlowRemovedMask(List<FlowRemovedMask> flowRemovedMask, ByteBuf outBuffer) {
    if (flowRemovedMask != null) {
        for (FlowRemovedMask currentFlowRemovedMask : flowRemovedMask) {
            List<FlowRemovedReason> mask = currentFlowRemovedMask.getMask();
            if (mask != null) {
                Map<Integer, Boolean> flowRemovedReasonMap = new HashMap<>();
                for (FlowRemovedReason packetInReason : mask) {
                    if (FlowRemovedReason.OFPRRIDLETIMEOUT.equals(packetInReason)) {
                        flowRemovedReasonMap.put(FlowRemovedReason.OFPRRIDLETIMEOUT.getIntValue(), true);
                    } else if (FlowRemovedReason.OFPRRHARDTIMEOUT.equals(packetInReason)) {
                        flowRemovedReasonMap.put(FlowRemovedReason.OFPRRHARDTIMEOUT.getIntValue(), true);
                    } else if (FlowRemovedReason.OFPRRDELETE.equals(packetInReason)) {
                        flowRemovedReasonMap.put(FlowRemovedReason.OFPRRDELETE.getIntValue(), true);
                    } else if (FlowRemovedReason.OFPRRGROUPDELETE.equals(packetInReason)) {
                        flowRemovedReasonMap.put(FlowRemovedReason.OFPRRGROUPDELETE.getIntValue(), true);
                    }
                }
                outBuffer.writeInt(ByteBufUtils.fillBitMaskFromMap(flowRemovedReasonMap));
            }
        }
    }
}

Example 4 with PacketInReason

use of org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PacketInReason in project openflowplugin by opendaylight.

the class GetAsyncReplyMessageFactoryTest method createPacketInMask.

private static List<PacketInMask> createPacketInMask() {
    final List<PacketInMask> inMasks = new ArrayList<>();
    PacketInMaskBuilder maskBuilder;
    // OFPCR_ROLE_EQUAL or OFPCR_ROLE_MASTER
    maskBuilder = new PacketInMaskBuilder();
    List<PacketInReason> reasons = new ArrayList<>();
    reasons.add(PacketInReason.OFPRNOMATCH);
    reasons.add(PacketInReason.OFPRACTION);
    reasons.add(PacketInReason.OFPRINVALIDTTL);
    maskBuilder.setMask(reasons);
    inMasks.add(maskBuilder.build());
    // OFPCR_ROLE_SLAVE
    maskBuilder = new PacketInMaskBuilder();
    reasons = new ArrayList<>();
    maskBuilder.setMask(reasons);
    inMasks.add(maskBuilder.build());
    return inMasks;
}

Example 5 with PacketInReason

use of org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PacketInReason in project openflowplugin by opendaylight.

the class SetAsyncInputMessageFactoryTest method createPacketInMask.

private static List<PacketInMask> createPacketInMask() {
    final List<PacketInMask> masks = new ArrayList<>();
    PacketInMaskBuilder builder;
    // OFPCR_ROLE_EQUAL or OFPCR_ROLE_MASTER
    builder = new PacketInMaskBuilder();
    List<PacketInReason> packetInReasonList = new ArrayList<>();
    packetInReasonList.add(PacketInReason.OFPRNOMATCH);
    packetInReasonList.add(PacketInReason.OFPRACTION);
    packetInReasonList.add(PacketInReason.OFPRINVALIDTTL);
    builder.setMask(packetInReasonList);
    masks.add(builder.build());
    // OFPCR_ROLE_SLAVE
    builder = new PacketInMaskBuilder();
    packetInReasonList = new ArrayList<>();
    builder.setMask(packetInReasonList);
    masks.add(builder.build());
    return masks;
}