Examples with Flow org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow used on opensource projects

Example 21 with Flow

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow in project netvirt by opendaylight.

the class AclServiceUtils method skipDeleteInCaseOfOverlappingIP.

/**
 * Skip delete in case of overlapping IP.
 *
 * <p>
 * When there are multiple ports (e.g., p1, p2, p3) having same AAP (e.g.,
 * 224.0.0.5) configured which are part of single SG, there would be single
 * flow in remote ACL table. When one of these ports (say p1) is deleted,
 * the single flow which is configured in remote ACL table shouldn't be
 * deleted. It should be deleted only when there are no more references to
 * it.
 *
 * @param portId the port id
 * @param remoteAclId the remote Acl Id
 * @param ipPrefix the ip prefix
 * @param addOrRemove the add or remove
 * @return true, if successful
 */
public boolean skipDeleteInCaseOfOverlappingIP(String portId, Uuid remoteAclId, IpPrefixOrAddress ipPrefix, int addOrRemove) {
    boolean skipDelete = false;
    if (addOrRemove != NwConstants.DEL_FLOW) {
        return skipDelete;
    }
    AclIpPrefixes aclIpPrefixes = getAclIpPrefixesFromOperDs(remoteAclId.getValue(), ipPrefix);
    if (aclIpPrefixes != null && aclIpPrefixes.getPortIds() != null) {
        List<String> ignorePorts = Lists.newArrayList(portId);
        List<PortIds> portIds = new ArrayList<>(aclIpPrefixes.getPortIds());
        // Checking if there are any other ports excluding ignorePorts
        long noOfRemotePorts = portIds.stream().map(x -> x.getPortId()).filter(y -> !ignorePorts.contains(y)).count();
        if (noOfRemotePorts > 0) {
            skipDelete = true;
        }
    }
    return skipDelete;
}

Example 22 with Flow

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow in project netvirt by opendaylight.

the class EgressAclServiceImpl method egressAclDhcpAllowClientTraffic.

/**
 * Add rule to ensure only DHCP server traffic from the specified mac is allowed.
 *
 * @param dpId the dpid
 * @param allowedAddresses the allowed addresses
 * @param lportTag the lport tag
 * @param addOrRemove whether to add or remove the flow
 */
private void egressAclDhcpAllowClientTraffic(BigInteger dpId, List<AllowedAddressPairs> allowedAddresses, int lportTag, int addOrRemove) {
    List<InstructionInfo> instructions = getDispatcherTableResubmitInstructions();
    for (AllowedAddressPairs aap : allowedAddresses) {
        if (!AclServiceUtils.isIPv4Address(aap)) {
            continue;
        }
        List<MatchInfoBase> matches = new ArrayList<>();
        matches.addAll(AclServiceUtils.buildDhcpMatches(AclConstants.DHCP_CLIENT_PORT_IPV4, AclConstants.DHCP_SERVER_PORT_IPV4, lportTag, serviceMode));
        matches.add(new MatchEthernetSource(aap.getMacAddress()));
        String flowName = "Egress_DHCP_Client_v4" + dpId + "_" + lportTag + "_" + aap.getMacAddress().getValue() + "_Permit_";
        syncFlow(dpId, getAclAntiSpoofingTable(), flowName, AclConstants.PROTO_DHCP_CLIENT_TRAFFIC_MATCH_PRIORITY, "ACL", 0, 0, AclConstants.COOKIE_ACL_BASE, matches, instructions, addOrRemove);
    }
}

Example 23 with Flow

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow in project netvirt by opendaylight.

the class EgressAclServiceImpl method programL2BroadcastAllowRule.

/**
 * Programs Non-IP broadcast rules.
 *
 * @param port the Acl Interface port
 * @param addOrRemove whether to delete or add flow
 */
private void programL2BroadcastAllowRule(AclInterface port, int addOrRemove) {
    BigInteger dpId = port.getDpId();
    int lportTag = port.getLPortTag();
    List<AllowedAddressPairs> allowedAddresses = port.getAllowedAddressPairs();
    Set<MacAddress> macs = allowedAddresses.stream().map(aap -> aap.getMacAddress()).collect(Collectors.toSet());
    for (MacAddress mac : macs) {
        List<MatchInfoBase> matches = new ArrayList<>();
        matches.add(new MatchEthernetSource(mac));
        matches.add(AclServiceUtils.buildLPortTagMatch(lportTag, serviceMode));
        List<InstructionInfo> instructions = getDispatcherTableResubmitInstructions();
        String flowName = "Egress_L2Broadcast_" + dpId + "_" + lportTag + "_" + mac.getValue();
        syncFlow(dpId, getAclAntiSpoofingTable(), flowName, AclConstants.PROTO_L2BROADCAST_TRAFFIC_MATCH_PRIORITY, "ACL", 0, 0, AclConstants.COOKIE_ACL_BASE, matches, instructions, addOrRemove);
    }
}

Example 24 with Flow

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow in project netvirt by opendaylight.

the class IngressAclServiceImpl method programIpv4BroadcastRule.

/**
 * Programs IPv4 broadcast rules.
 *
 * @param port the Acl Interface port
 * @param addOrRemove whether to delete or add flow
 */
private void programIpv4BroadcastRule(AclInterface port, int addOrRemove) {
    BigInteger dpId = port.getDpId();
    int lportTag = port.getLPortTag();
    MatchInfoBase lportMatchInfo = AclServiceUtils.buildLPortTagMatch(lportTag, serviceMode);
    List<IpPrefixOrAddress> cidrs = port.getSubnetIpPrefixes();
    if (cidrs != null) {
        List<String> broadcastAddresses = AclServiceUtils.getIpBroadcastAddresses(cidrs);
        for (String broadcastAddress : broadcastAddresses) {
            List<MatchInfoBase> matches = AclServiceUtils.buildBroadcastIpV4Matches(broadcastAddress);
            matches.add(lportMatchInfo);
            List<InstructionInfo> instructions = new ArrayList<>();
            instructions.add(new InstructionGotoTable(getAclConntrackClassifierTable()));
            String flowName = "Ingress_v4_Broadcast_" + dpId + "_" + lportTag + "_" + broadcastAddress + "_Permit";
            syncFlow(dpId, getAclAntiSpoofingTable(), flowName, AclConstants.PROTO_MATCH_PRIORITY, "ACL", 0, 0, AclConstants.COOKIE_ACL_BASE, matches, instructions, addOrRemove);
        }
    } else {
        LOG.warn("IP Broadcast CIDRs are missing for port {}", port.getInterfaceId());
    }
}

Example 25 with Flow

use of org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow in project netvirt by opendaylight.

the class AclLiveStatisticsHelper method getAclPortStats.

/**
 * Gets the acl port stats.
 *
 * @param direction the direction
 * @param interfaceNames the interface names
 * @param odlDirectStatsService the odl direct stats service
 * @param dataBroker the data broker
 * @return the acl port stats
 */
public static List<AclPortStats> getAclPortStats(Direction direction, List<String> interfaceNames, OpendaylightDirectStatisticsService odlDirectStatsService, DataBroker dataBroker) {
    LOG.trace("Get ACL port stats for direction {} and interfaces {}", direction, interfaceNames);
    List<AclPortStats> lstAclPortStats = new ArrayList<>();
    Short tableId = getTableId(direction);
    FlowCookie aclDropFlowCookie = new FlowCookie(AclConstants.COOKIE_ACL_DROP_FLOW);
    FlowCookie aclDropFlowCookieMask = new FlowCookie(COOKIE_ACL_DROP_FLOW_MASK);
    for (String interfaceName : interfaceNames) {
        AclPortStatsBuilder aclStatsBuilder = new AclPortStatsBuilder().setInterfaceName(interfaceName);
        Interface interfaceState = AclServiceUtils.getInterfaceStateFromOperDS(dataBroker, interfaceName);
        if (interfaceState == null) {
            String errMsg = "Interface not found in datastore.";
            addError(lstAclPortStats, aclStatsBuilder, errMsg);
            continue;
        }
        BigInteger dpId = AclServiceUtils.getDpIdFromIterfaceState(interfaceState);
        if (dpId == null) {
            String errMsg = "Failed to find device for the interface.";
            addError(lstAclPortStats, aclStatsBuilder, errMsg);
            continue;
        }
        NodeRef nodeRef = buildNodeRef(dpId);
        Integer lportTag = interfaceState.getIfIndex();
        Match metadataMatch = buildMetadataMatch(lportTag);
        GetFlowStatisticsInputBuilder input = new GetFlowStatisticsInputBuilder().setNode(nodeRef).setCookie(aclDropFlowCookie).setCookieMask(aclDropFlowCookieMask).setMatch(metadataMatch).setStoreStats(false);
        if (direction != Direction.Both) {
            input.setTableId(tableId);
        }
        Future<RpcResult<GetFlowStatisticsOutput>> rpcResultFuture = odlDirectStatsService.getFlowStatistics(input.build());
        RpcResult<GetFlowStatisticsOutput> rpcResult = null;
        try {
            rpcResult = rpcResultFuture.get();
        } catch (InterruptedException | ExecutionException e) {
            String errMsg = "Unable to retrieve drop counts due to error: " + e.getMessage();
            addError(lstAclPortStats, aclStatsBuilder, errMsg);
            LOG.error("Exception occurred during get flow statistics for interface {}", interfaceName, e);
        }
        if (rpcResult != null && rpcResult.isSuccessful() && rpcResult.getResult() != null) {
            GetFlowStatisticsOutput flowStatsOutput = rpcResult.getResult();
            getAclDropStats(direction, aclStatsBuilder, flowStatsOutput);
            lstAclPortStats.add(aclStatsBuilder.build());
        } else {
            handleRpcErrors(lstAclPortStats, aclStatsBuilder, rpcResult);
        }
    }
    return lstAclPortStats;
}