use of org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Metadata in project netvirt by opendaylight.
the class ElanUtils method buildKnownSmacFlow.
public FlowEntity buildKnownSmacFlow(ElanInstance elanInfo, InterfaceInfo interfaceInfo, long macTimeout, String macAddress) {
int lportTag = interfaceInfo.getInterfaceTag();
// Matching metadata and eth_src fields
List<MatchInfo> mkMatches = new ArrayList<>();
mkMatches.add(new MatchMetadata(ElanHelper.getElanMetadataLabel(elanInfo.getElanTag(), lportTag), ElanHelper.getElanMetadataMask()));
mkMatches.add(new MatchEthernetSource(new MacAddress(macAddress)));
List<InstructionInfo> mkInstructions = new ArrayList<>();
mkInstructions.add(new InstructionGotoTable(NwConstants.ELAN_DMAC_TABLE));
BigInteger dpId = interfaceInfo.getDpId();
long elanTag = getElanTag(elanInfo, interfaceInfo);
return new FlowEntityBuilder().setDpnId(dpId).setTableId(NwConstants.ELAN_SMAC_TABLE).setFlowId(getKnownDynamicmacFlowRef(NwConstants.ELAN_SMAC_TABLE, dpId, lportTag, macAddress, elanTag)).setPriority(20).setFlowName(elanInfo.getDescription()).setIdleTimeOut((int) macTimeout).setHardTimeOut(0).setCookie(ElanConstants.COOKIE_ELAN_KNOWN_SMAC.add(BigInteger.valueOf(elanTag))).setMatchInfoList(mkMatches).setInstructionInfoList(mkInstructions).setStrictFlag(true).setSendFlowRemFlag(macTimeout != 0).build();
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Metadata in project netvirt by opendaylight.
the class ElanUtils method buildRemoteDmacFlowEntry.
/**
* Builds a Flow to be programmed in a remote DPN's DMAC table. This flow
* consists in: Match: + elanTag in packet's metadata + packet going to a
* MAC known to be located in another DPN Actions: + set_tunnel_id
* + output ITM internal tunnel interface with the other DPN
*
* @param srcDpId
* the src Dpn Id
* @param destDpId
* dest Dp Id
* @param lportTagOrVni
* lportTag or network VNI
* @param elanTag
* elan Tag
* @param macAddress
* macAddress
* @param displayName
* display Name
* @param elanInstance
* elanInstance
* @return the flow remote Dmac
*/
@SuppressWarnings("checkstyle:IllegalCatch")
public Flow buildRemoteDmacFlowEntry(BigInteger srcDpId, BigInteger destDpId, long lportTagOrVni, long elanTag, String macAddress, String displayName, ElanInstance elanInstance) {
List<MatchInfo> mkMatches = new ArrayList<>();
mkMatches.add(new MatchMetadata(ElanHelper.getElanMetadataLabel(elanTag), MetaDataUtil.METADATA_MASK_SERVICE));
mkMatches.add(new MatchEthernetDestination(new MacAddress(macAddress)));
List<Instruction> mkInstructions = new ArrayList<>();
// List of Action for the provided Source and Destination DPIDs
try {
List<Action> actions = null;
if (isVlan(elanInstance) || isFlat(elanInstance)) {
String interfaceName = getExternalElanInterface(elanInstance.getElanInstanceName(), srcDpId);
if (null == interfaceName) {
LOG.info("buildRemoteDmacFlowEntry: Could not find interfaceName for {} {}", srcDpId, elanInstance);
}
actions = getEgressActionsForInterface(interfaceName, null);
} else if (isVxlanNetworkOrVxlanSegment(elanInstance)) {
actions = elanItmUtils.getInternalTunnelItmEgressAction(srcDpId, destDpId, lportTagOrVni);
}
mkInstructions.add(MDSALUtil.buildApplyActionsInstruction(actions));
} catch (Exception e) {
LOG.error("Could not get egress actions to add to flow for srcDpId {}, destDpId {}, lportTag/VNI {}", srcDpId, destDpId, lportTagOrVni, e);
}
Flow flow = MDSALUtil.buildFlowNew(NwConstants.ELAN_DMAC_TABLE, getKnownDynamicmacFlowRef(NwConstants.ELAN_DMAC_TABLE, srcDpId, destDpId, macAddress, elanTag), 20, /* prio */
displayName, 0, /* idleTimeout */
0, /* hardTimeout */
ElanConstants.COOKIE_ELAN_KNOWN_DMAC.add(BigInteger.valueOf(elanTag)), mkMatches, mkInstructions);
return flow;
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Metadata in project netvirt by opendaylight.
the class ArpNotificationHandler method onArpRequestReceived.
@Override
public void onArpRequestReceived(ArpRequestReceived notification) {
String srcInterface = notification.getInterface();
IpAddress srcIP = notification.getSrcIpaddress();
PhysAddress srcMac = notification.getSrcMac();
IpAddress targetIP = notification.getDstIpaddress();
BigInteger metadata = notification.getMetadata();
boolean isGarp = srcIP.equals(targetIP);
if (!isGarp) {
LOG.info("ArpNotification Non-Gratuitous Request Received from " + "interface {} and IP {} having MAC {} target destination {}, ignoring..", srcInterface, srcIP.getIpv4Address().getValue(), srcMac.getValue(), targetIP.getIpv4Address().getValue());
return;
}
LOG.info("ArpNotification Gratuitous Request Received from " + "interface {} and IP {} having MAC {} target destination {}, learning MAC", srcInterface, srcIP.getIpv4Address().getValue(), srcMac.getValue(), targetIP.getIpv4Address().getValue());
processArpLearning(srcInterface, srcIP, srcMac, metadata, targetIP);
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Metadata in project netvirt by opendaylight.
the class ArpNotificationHandler method onArpResponseReceived.
@Override
public void onArpResponseReceived(ArpResponseReceived notification) {
String srcInterface = notification.getInterface();
IpAddress srcIP = notification.getSrcIpaddress();
PhysAddress srcMac = notification.getSrcMac();
LOG.info("ArpNotification Response Received from interface {} and IP {} having MAC {}, learning MAC", srcInterface, srcIP.getIpv4Address().getValue(), srcMac.getValue());
List<Adjacency> adjacencies = VpnUtil.getAdjacenciesForVpnInterfaceFromConfig(dataBroker, srcInterface);
if (adjacencies != null) {
for (Adjacency adj : adjacencies) {
String ipAddress = adj.getIpAddress();
try {
if (NWUtil.isIpInSubnet(NWUtil.ipAddressToInt(srcIP.getIpv4Address().getValue()), ipAddress)) {
return;
}
} catch (UnknownHostException e) {
LOG.error("Subnet string {} not convertible to InetAdddress", srcIP, e);
}
}
}
BigInteger metadata = notification.getMetadata();
IpAddress targetIP = notification.getDstIpaddress();
LOG.trace("ArpNotification Response Received from interface {} and IP {} having MAC {}, learning MAC", srcInterface, srcIP.getIpv4Address().getValue(), srcMac.getValue());
processArpLearning(srcInterface, srcIP, srcMac, metadata, targetIP);
}
use of org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.Metadata in project netvirt by opendaylight.
the class ArpNotificationHandler method processArpLearning.
private void processArpLearning(String srcInterface, IpAddress srcIP, PhysAddress srcMac, BigInteger metadata, IpAddress dstIP) {
if (metadata != null && !Objects.equals(metadata, BigInteger.ZERO)) {
Optional<List<String>> vpnList = VpnUtil.getVpnHandlingIpv4AssociatedWithInterface(dataBroker, srcInterface);
if (vpnList.isPresent()) {
for (String vpnName : vpnList.get()) {
LOG.info("Received ARP for sender MAC {} and sender IP {} via interface {}", srcMac.getValue(), srcIP.getIpv4Address().getValue(), srcInterface);
String ipToQuery = srcIP.getIpv4Address().getValue();
LOG.info("ARP being processed for Source IP {}", ipToQuery);
VpnPortipToPort vpnPortipToPort = VpnUtil.getNeutronPortFromVpnPortFixedIp(dataBroker, vpnName, ipToQuery);
if (vpnPortipToPort != null) {
/* This is a well known neutron port and so should be ignored
* from being discovered
*/
continue;
}
LearntVpnVipToPort learntVpnVipToPort = VpnUtil.getLearntVpnVipToPort(dataBroker, vpnName, ipToQuery);
if (learntVpnVipToPort != null) {
String oldPortName = learntVpnVipToPort.getPortName();
String oldMac = learntVpnVipToPort.getMacAddress();
if (!oldMac.equalsIgnoreCase(srcMac.getValue())) {
// MAC has changed for requested IP
LOG.info("ARP Source IP/MAC data modified for IP {} with MAC {} and Port {}", ipToQuery, srcMac, srcInterface);
synchronized ((vpnName + ipToQuery).intern()) {
removeMipAdjacency(vpnName, oldPortName, srcIP);
VpnUtil.removeLearntVpnVipToPort(dataBroker, vpnName, ipToQuery);
putVpnIpToMigrateArpCache(vpnName, ipToQuery, srcMac);
}
}
} else if (!isIpInArpMigrateCache(vpnName, ipToQuery)) {
learnMacFromArpPackets(vpnName, srcInterface, srcIP, srcMac, dstIP);
}
}
} else {
LOG.info("ARP NO_RESOLVE: VPN not configured. Ignoring responding to ARP requests from this" + " Interface {}.", srcInterface);
return;
}
}
}
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