/* * Copyright © 2017 Ericsson, Inc. and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.netvirt.sfc.classifier.providers; import com.google.common.net.InetAddresses; import java.math.BigInteger; import java.util.ArrayList; import java.util.List; import javax.inject.Singleton; import org.opendaylight.controller.md.sal.binding.api.WriteTransaction; import org.opendaylight.genius.infra.Datastore.Configuration; import org.opendaylight.genius.infra.TypedWriteTransaction; import org.opendaylight.genius.mdsalutil.NwConstants; import org.opendaylight.netvirt.sfc.classifier.utils.AclMatches; import org.opendaylight.netvirt.sfc.classifier.utils.OpenFlow13Utils; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.access.control.list.rev160218.access.lists.acl.access.list.entries.ace.Matches; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address; import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableKey; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.InstructionsBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId; import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes; import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node; import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey; import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; @Singleton public class OpenFlow13Provider { // Unique cookie values for each type of flow public static final BigInteger INGRESS_CLASSIFIER_FILTER_COOKIE = new BigInteger("F005BA1100000001", 16); public static final BigInteger INGRESS_CLASSIFIER_ACL_COOKIE = new BigInteger("F005BA1100000002", 16); public static final BigInteger EGRESS_CLASSIFIER_FILTER_COOKIE = new BigInteger("F005BA1100000003", 16); public static final BigInteger EGRESS_CLASSIFIER_NEXTHOP_COOKIE = new BigInteger("F005BA1100000004", 16); public static final BigInteger EGRESS_CLASSIFIER_TPORTEGRESS_COOKIE = new BigInteger("F005BA1100000005", 16); public static final BigInteger INGRESS_CLASSIFIER_CAPTURE_SFC_TUNNEL_TRAFFIC_COOKIE = new BigInteger("F005BA1100000006", 16); // Priorities for each flow public static final int INGRESS_CLASSIFIER_FILTER_CHAIN_EGRESS_PRIORITY = 520; public static final int INGRESS_CLASSIFIER_FILTER_TUN_NSH_PRIORITY = 510; public static final int INGRESS_CLASSIFIER_FILTER_ETH_NSH_PRIORITY = 511; public static final int INGRESS_CLASSIFIER_FILTER_NONSH_PRIORITY = 500; public static final int INGRESS_CLASSIFIER_ACL_PRIORITY = 500; public static final int INGRESS_CLASSIFIER_ACL_NOMATCH_PRIORITY = 10; public static final int INGRESS_CLASSIFIER_CAPTURE_SFC_TUNNEL_TRAFFIC_PRIORITY = 10; public static final int EGRESS_CLASSIFIER_FILTER_NSH_PRIORITY = 260; public static final int EGRESS_CLASSIFIER_FILTER_NONSH_PRIORITY = 250; public static final int EGRESS_CLASSIFIER_NEXTHOP_C1C2_PRIORITY = 250; public static final int EGRESS_CLASSIFIER_NEXTHOP_NOC1C2_PRIORITY = 260; public static final int EGRESS_CLASSIFIER_EGRESS_LOCAL_PRIORITY = 260; public static final int EGRESS_CLASSIFIER_EGRESS_REMOTE_PRIORITY = 250; // Flow names for each table public static final String INGRESS_CLASSIFIER_FILTER_NSH_CHAIN_EGRESS_FLOW_NAME = "nvsfc_ingr_class_filter_chain_egress"; public static final String INGRESS_CLASSIFIER_FILTER_VXGPENSH_FLOW_NAME = "nvsfc_ingr_class_filter_vxgpe"; public static final String INGRESS_CLASSIFIER_FILTER_ETHNSH_FLOW_NAME = "nvsfc_ingr_class_filter_eth"; public static final String INGRESS_CLASSIFIER_FILTER_NONSH_FLOW_NAME = "nvsfc_ingr_class_filter_nonsh"; public static final String INGRESS_CLASSIFIER_ACL_FLOW_NAME = "nvsfc_ingr_class_acl"; public static final String INGRESS_CLASSIFIER_CAPTURE_SFC_TUNNEL_TRAFFIC_FLOW_NAME = "nvsfc_ingr_class_capture_sfc_tunnel"; public static final String EGRESS_CLASSIFIER_FILTER_NSH_FLOW_NAME = "nvsfc_egr_class_filter_nsh"; public static final String EGRESS_CLASSIFIER_FILTER_NONSH_FLOW_NAME = "nvsfc_egr_class_filter_nonsh"; public static final String EGRESS_CLASSIFIER_NEXTHOP_C1C2_FLOW_NAME = "nvsfc_egr_class_nexthop_c1c2"; public static final String EGRESS_CLASSIFIER_NEXTHOP_NOC1C2_FLOW_NAME = "nvsfc_egr_class_nexthop_noc1c2"; public static final String EGRESS_CLASSIFIER_TPORTEGRESS_FLOW_NAME = "nvsfc_egr_class_ tport egress"; public static final short NSH_MDTYPE_ONE = 0x01; public static final short NSH_NP_ETH = 0x3; public static final long DEFAULT_NSH_CONTEXT_VALUE = 0L; public static final long ACL_FLAG_CONTEXT_VALUE = 0xFFFFFFL; public static final long SFC_TUNNEL_ID = 0L; public static final String OF_URI_SEPARATOR = ":"; public static final Ipv4Address NULL_IP = new Ipv4Address("0.0.0.0"); public MatchBuilder getMatchBuilderFromAceMatches(Matches matches) { if (matches == null) { return null; } return new AclMatches(matches).buildMatch(); } public void appendFlowForCreate(NodeId node, Flow flow, TypedWriteTransaction tx) { NodeKey nodeKey = new NodeKey(node); InstanceIdentifier iidFlow = InstanceIdentifier.builder(Nodes.class) .child(Node.class, nodeKey) .augmentation(FlowCapableNode.class) .child(Table.class, new TableKey(flow.getTableId())) .child(Flow.class, flow.key()) .build(); tx.put(iidFlow, flow, WriteTransaction.CREATE_MISSING_PARENTS); } public void appendFlowForDelete(NodeId node, Flow flow, TypedWriteTransaction tx) { NodeKey nodeKey = new NodeKey(node); InstanceIdentifier iidFlow = InstanceIdentifier.builder(Nodes.class) .child(Node.class, nodeKey) .augmentation(FlowCapableNode.class) .child(Table.class, new TableKey(flow.getTableId())) .child(Flow.class, flow.key()) .build(); tx.delete(iidFlow); } /* * Ingress Classifier SFC Tunnel Traffic Capture Flow * Captures SFC traffic coming from tunnel port and redirects it * to the ingress classifier pipeline. From there, if no chain * egress actions apply, it will be sent back to SFC pipeline. * Match on SFC VNI = 0 and ethertype = nsh, and resubmit to * ingress classifier. */ public Flow createIngressClassifierSfcTunnelTrafficCaptureFlow(NodeId nodeId) { MatchBuilder match = new MatchBuilder(); OpenFlow13Utils.addMatchTunId(match, SFC_TUNNEL_ID); OpenFlow13Utils.addMatchEthNsh(match); List actionList = new ArrayList<>(); actionList.add(OpenFlow13Utils.createActionResubmitTable(NwConstants.INGRESS_SFC_CLASSIFIER_FILTER_TABLE, actionList.size())); InstructionsBuilder isb = OpenFlow13Utils.wrapActionsIntoApplyActionsInstruction(actionList); String flowIdStr = INGRESS_CLASSIFIER_CAPTURE_SFC_TUNNEL_TRAFFIC_FLOW_NAME + nodeId.getValue(); return OpenFlow13Utils.createFlowBuilder(NwConstants.INTERNAL_TUNNEL_TABLE, INGRESS_CLASSIFIER_CAPTURE_SFC_TUNNEL_TRAFFIC_PRIORITY, INGRESS_CLASSIFIER_CAPTURE_SFC_TUNNEL_TRAFFIC_COOKIE, INGRESS_CLASSIFIER_CAPTURE_SFC_TUNNEL_TRAFFIC_FLOW_NAME, flowIdStr, match, isb).build(); } /* * Ingress Classifier Filter Vxgpe NSH flow: * Only allows Non-NSH packets to proceed in the classifier * Match on ethertype and resubmit to SFC (we don't resubmit to * dispatcher since it is still not used for tunnel ports) */ public Flow createIngressClassifierFilterVxgpeNshFlow(NodeId nodeId) { MatchBuilder match = new MatchBuilder(); OpenFlow13Utils.addMatchEthNsh(match); List actionList = new ArrayList<>(); actionList.add(OpenFlow13Utils.createActionResubmitTable(NwConstants.SFC_TRANSPORT_INGRESS_TABLE, actionList.size())); InstructionsBuilder isb = OpenFlow13Utils.wrapActionsIntoApplyActionsInstruction(actionList); String flowIdStr = INGRESS_CLASSIFIER_FILTER_VXGPENSH_FLOW_NAME + nodeId.getValue(); return OpenFlow13Utils.createFlowBuilder(NwConstants.INGRESS_SFC_CLASSIFIER_FILTER_TABLE, INGRESS_CLASSIFIER_FILTER_TUN_NSH_PRIORITY, INGRESS_CLASSIFIER_FILTER_COOKIE, INGRESS_CLASSIFIER_FILTER_VXGPENSH_FLOW_NAME, flowIdStr, match, isb).build(); } /* * Ingress Classifier Filter Eth NSH flow: * Only allows Non-NSH packets to proceed in the classifier * Match on ethertype and null tunnel IP and resubmit to * Ingress Dispatcher on match */ public Flow createIngressClassifierFilterEthNshFlow(NodeId nodeId) { MatchBuilder match = new MatchBuilder(); OpenFlow13Utils.addMatchEthNsh(match); OpenFlow13Utils.addMatchTunDstIp(match, NULL_IP); List actionList = new ArrayList<>(); actionList.add(OpenFlow13Utils.createActionResubmitTable(NwConstants.LPORT_DISPATCHER_TABLE, actionList.size())); InstructionsBuilder isb = OpenFlow13Utils.wrapActionsIntoApplyActionsInstruction(actionList); String flowIdStr = INGRESS_CLASSIFIER_FILTER_ETHNSH_FLOW_NAME + nodeId.getValue(); return OpenFlow13Utils.createFlowBuilder(NwConstants.INGRESS_SFC_CLASSIFIER_FILTER_TABLE, INGRESS_CLASSIFIER_FILTER_ETH_NSH_PRIORITY, INGRESS_CLASSIFIER_FILTER_COOKIE, INGRESS_CLASSIFIER_FILTER_ETHNSH_FLOW_NAME, flowIdStr, match, isb).build(); } /* * Classifier chain termination flow: * Handle packets at the end of the chain * Match C1 on local IP, NSP and ending NSI, restore metadata and * resubmit to egress dispatcher */ public Flow createIngressClassifierFilterChainEgressFlow(NodeId nodeId, long nsp, short egressNsi) { MatchBuilder match = new MatchBuilder(); OpenFlow13Utils.addMatchNsp(match, nsp); OpenFlow13Utils.addMatchNsi(match, egressNsi); List actionList = new ArrayList<>(); actionList.add(OpenFlow13Utils.createActionNxMoveNsc4ToReg6Register(actionList.size())); actionList.add(OpenFlow13Utils.createActionNxPopNsh(actionList.size())); actionList.add(OpenFlow13Utils.createActionResubmitTable(NwConstants.EGRESS_LPORT_DISPATCHER_TABLE, actionList.size())); InstructionsBuilder isb = OpenFlow13Utils.wrapActionsIntoApplyActionsInstruction(actionList); String flowIdStr = INGRESS_CLASSIFIER_FILTER_NSH_CHAIN_EGRESS_FLOW_NAME + nodeId.getValue() + "_" + nsp; return OpenFlow13Utils.createFlowBuilder(NwConstants.INGRESS_SFC_CLASSIFIER_FILTER_TABLE, INGRESS_CLASSIFIER_FILTER_CHAIN_EGRESS_PRIORITY, INGRESS_CLASSIFIER_FILTER_COOKIE, INGRESS_CLASSIFIER_FILTER_NSH_CHAIN_EGRESS_FLOW_NAME, flowIdStr, match, isb).build(); } /* * Ingress Classifier Filter No NSH flow: * Only allows Non-NSH packets to proceed in the classifier * Match Any (NSH not present), Goto Classifier ACL table */ public Flow createIngressClassifierFilterNoNshFlow(NodeId nodeId) { // MatchAny MatchBuilder match = new MatchBuilder(); InstructionsBuilder isb = OpenFlow13Utils.appendGotoTableInstruction(new InstructionsBuilder(), NwConstants.INGRESS_SFC_CLASSIFIER_ACL_TABLE); String flowIdStr = INGRESS_CLASSIFIER_FILTER_NONSH_FLOW_NAME + nodeId.getValue(); return OpenFlow13Utils.createFlowBuilder(NwConstants.INGRESS_SFC_CLASSIFIER_FILTER_TABLE, INGRESS_CLASSIFIER_FILTER_NONSH_PRIORITY, INGRESS_CLASSIFIER_FILTER_COOKIE, INGRESS_CLASSIFIER_FILTER_NONSH_FLOW_NAME, flowIdStr, match, isb).build(); } /* * Ingress Classifier ACL flow: * Performs the ACL classification, and sends packets to Ingress Dispatcher * Match on inport (corresponds to Neutron NW/tenant), Push NSH, init(nsp, nsi, C1, C2), * and resubmit to Ingress Dispatcher to be sent down the rest of * the pipeline */ public Flow createIngressClassifierAclFlow(NodeId nodeId, MatchBuilder match, Long port, long nsp, short nsi) { OpenFlow13Utils.addMatchInPort(match, nodeId, port); List actionList = new ArrayList<>(); actionList.add(OpenFlow13Utils.createActionNxPushNsh(actionList.size())); actionList.add(OpenFlow13Utils.createActionNxLoadNshMdtype(NSH_MDTYPE_ONE, actionList.size())); actionList.add(OpenFlow13Utils.createActionNxLoadNp(NSH_NP_ETH, actionList.size())); actionList.add(OpenFlow13Utils.createActionNxLoadNsp((int) nsp, actionList.size())); actionList.add(OpenFlow13Utils.createActionNxLoadNsi(nsi, actionList.size())); actionList.add(OpenFlow13Utils.createActionNxLoadNshc1(ACL_FLAG_CONTEXT_VALUE, actionList.size())); actionList.add(OpenFlow13Utils.createActionNxLoadNshc2(DEFAULT_NSH_CONTEXT_VALUE, actionList.size())); actionList.add(OpenFlow13Utils.createActionResubmitTable(NwConstants.LPORT_DISPATCHER_TABLE, actionList.size())); InstructionsBuilder isb = OpenFlow13Utils.wrapActionsIntoApplyActionsInstruction(actionList); // The flowIdStr needs to be unique, so the best way to make it unique is to use the match String flowIdStr = INGRESS_CLASSIFIER_ACL_FLOW_NAME + "_" + nodeId.getValue() + match.build().toString(); return OpenFlow13Utils.createFlowBuilder(NwConstants.INGRESS_SFC_CLASSIFIER_ACL_TABLE, INGRESS_CLASSIFIER_ACL_PRIORITY, INGRESS_CLASSIFIER_ACL_COOKIE, INGRESS_CLASSIFIER_ACL_FLOW_NAME, flowIdStr, match, isb).build(); } /* * Ingress Classifier ACL NoMatch flow: * If there are no ACL classification matches, then resubmit back to * the Ingress Dispatcher to let other services handle the packet. */ public Flow createIngressClassifierAclNoMatchFlow(NodeId nodeId) { // This is a MatchAny flow MatchBuilder match = new MatchBuilder(); List actionList = new ArrayList<>(); actionList.add(OpenFlow13Utils.createActionResubmitTable(NwConstants.LPORT_DISPATCHER_TABLE, actionList.size())); InstructionsBuilder isb = OpenFlow13Utils.wrapActionsIntoApplyActionsInstruction(actionList); String flowIdStr = INGRESS_CLASSIFIER_ACL_FLOW_NAME + "_" + nodeId.getValue(); return OpenFlow13Utils.createFlowBuilder(NwConstants.INGRESS_SFC_CLASSIFIER_ACL_TABLE, INGRESS_CLASSIFIER_ACL_NOMATCH_PRIORITY, INGRESS_CLASSIFIER_ACL_COOKIE, INGRESS_CLASSIFIER_ACL_FLOW_NAME, flowIdStr, match, isb).build(); } // // Internal EgressFlow util methods // /* * Egress Classifier Filter NSH flow: * Only allows NSH packets to proceed in the egress classifier * Match on NSH MdType=1, Goto table Egress Classifier NextHop on match * Since we need to check if the packet has passed through the classifier and has been * encapsulated with NSH. We cant check for Vxgpe+NSH or Eth+NSH yet, since the outer * encapsulation wont be added until the packet egresses, so instead check for NSH MD-type, * which was set in the classification flow. */ public Flow createEgressClassifierFilterNshFlow(NodeId nodeId) { MatchBuilder match = new MatchBuilder(); OpenFlow13Utils.addMatchNshNsc1(match, ACL_FLAG_CONTEXT_VALUE); List actionList = new ArrayList<>(); actionList.add(OpenFlow13Utils.createActionNxLoadNshc1(DEFAULT_NSH_CONTEXT_VALUE, actionList.size())); InstructionsBuilder isb = OpenFlow13Utils.wrapActionsIntoApplyActionsInstruction(actionList); isb = OpenFlow13Utils.appendGotoTableInstruction(isb, NwConstants.EGRESS_SFC_CLASSIFIER_NEXTHOP_TABLE); String flowIdStr = EGRESS_CLASSIFIER_FILTER_NSH_FLOW_NAME + nodeId.getValue(); return OpenFlow13Utils.createFlowBuilder(NwConstants.EGRESS_SFC_CLASSIFIER_FILTER_TABLE, EGRESS_CLASSIFIER_FILTER_NSH_PRIORITY, EGRESS_CLASSIFIER_FILTER_COOKIE, EGRESS_CLASSIFIER_FILTER_NSH_FLOW_NAME, flowIdStr, match, isb).build(); } /* * Egress Classifier Filter No NSH flow: * Only allows NSH packets to proceed in the egress classifier * MatchAny (NSH not present), Resubmit to Egress Dispatcher * since the packet is not for SFC */ public Flow createEgressClassifierFilterNoNshFlow(NodeId nodeId) { MatchBuilder match = new MatchBuilder(); List actionList = new ArrayList<>(); actionList.add(OpenFlow13Utils.createActionResubmitTable(NwConstants.EGRESS_LPORT_DISPATCHER_TABLE, actionList.size())); InstructionsBuilder isb = OpenFlow13Utils.wrapActionsIntoApplyActionsInstruction(actionList); String flowIdStr = EGRESS_CLASSIFIER_FILTER_NONSH_FLOW_NAME + nodeId.getValue(); return OpenFlow13Utils.createFlowBuilder(NwConstants.EGRESS_SFC_CLASSIFIER_FILTER_TABLE, EGRESS_CLASSIFIER_FILTER_NONSH_PRIORITY, EGRESS_CLASSIFIER_FILTER_COOKIE, EGRESS_CLASSIFIER_FILTER_NONSH_FLOW_NAME, flowIdStr, match, isb).build(); } /* * Egress Classifier NextHop No C1/C2 flow: * Set C1/C2 accordingly * Match [C1, C2] == [0, 0], Move [TunIpv4Dst, TunVnid] to [C1, C2], * Move Reg0 (SFF IP) to TunIpv4Dst, and goto Egress Classifier * Transport Egress table on match */ public Flow createEgressClassifierNextHopNoC1C2Flow(NodeId nodeId) { MatchBuilder match = new MatchBuilder(); OpenFlow13Utils.addMatchNshNsc1(match, DEFAULT_NSH_CONTEXT_VALUE); OpenFlow13Utils.addMatchNshNsc2(match, DEFAULT_NSH_CONTEXT_VALUE); List actionList = new ArrayList<>(); actionList.add(OpenFlow13Utils.createActionNxMoveReg0ToNsc1Register(actionList.size())); actionList.add(OpenFlow13Utils.createActionNxMoveTunIdToNsc2Register(actionList.size())); actionList.add(OpenFlow13Utils.createActionNxMoveReg6ToNsc4Register(actionList.size())); actionList.add(OpenFlow13Utils.createActionNxLoadTunId(SFC_TUNNEL_ID, actionList.size())); InstructionsBuilder isb = OpenFlow13Utils.wrapActionsIntoApplyActionsInstruction(actionList); OpenFlow13Utils.appendGotoTableInstruction(isb, NwConstants.EGRESS_SFC_CLASSIFIER_EGRESS_TABLE); String flowIdStr = EGRESS_CLASSIFIER_NEXTHOP_NOC1C2_FLOW_NAME + nodeId.getValue(); return OpenFlow13Utils.createFlowBuilder(NwConstants.EGRESS_SFC_CLASSIFIER_NEXTHOP_TABLE, EGRESS_CLASSIFIER_NEXTHOP_NOC1C2_PRIORITY, EGRESS_CLASSIFIER_NEXTHOP_COOKIE, EGRESS_CLASSIFIER_NEXTHOP_NOC1C2_FLOW_NAME, flowIdStr, match, isb).build(); } /* * Egress Classifier NextHop with C1/C2 flow: * Set C1/C2 accordingly * MatchAny (C1, C2 already set) goto Egress Classifier * Transport Egress table */ public Flow createEgressClassifierNextHopC1C2Flow(NodeId nodeId) { MatchBuilder match = new MatchBuilder(); InstructionsBuilder isb = OpenFlow13Utils.appendGotoTableInstruction(new InstructionsBuilder(), NwConstants.EGRESS_SFC_CLASSIFIER_EGRESS_TABLE); String flowIdStr = EGRESS_CLASSIFIER_NEXTHOP_C1C2_FLOW_NAME + nodeId.getValue(); return OpenFlow13Utils.createFlowBuilder(NwConstants.EGRESS_SFC_CLASSIFIER_NEXTHOP_TABLE, EGRESS_CLASSIFIER_NEXTHOP_C1C2_PRIORITY, EGRESS_CLASSIFIER_NEXTHOP_COOKIE, EGRESS_CLASSIFIER_NEXTHOP_C1C2_FLOW_NAME, flowIdStr, match, isb).build(); } /* * Egress Classifier TransportEgress Local Flow * Final egress processing and egress packets. Resubmit to Ingress * Dispatcher to be processed by SFC SFF on match */ public Flow createEgressClassifierTransportEgressLocalFlow(NodeId nodeId, long nsp) { MatchBuilder match = OpenFlow13Utils.getNspMatch(nsp); List actionList = new ArrayList<>(); actionList.add(OpenFlow13Utils.createActionResubmitTable(NwConstants.SFC_TRANSPORT_INGRESS_TABLE, actionList.size())); InstructionsBuilder isb = OpenFlow13Utils.wrapActionsIntoApplyActionsInstruction(actionList); String flowIdStr = EGRESS_CLASSIFIER_TPORTEGRESS_FLOW_NAME + nodeId.getValue() + "_" + nsp; return OpenFlow13Utils.createFlowBuilder(NwConstants.EGRESS_SFC_CLASSIFIER_EGRESS_TABLE, EGRESS_CLASSIFIER_EGRESS_LOCAL_PRIORITY, EGRESS_CLASSIFIER_TPORTEGRESS_COOKIE, EGRESS_CLASSIFIER_TPORTEGRESS_FLOW_NAME, flowIdStr, match, isb).build(); } /* * Egress Classifier TransportEgress Remote Flow * Final egress processing and egress packets. Determines if the * packet should go to a local or remote SFF. * Match on Nsp, Output to port to send to remote SFF on match. */ public Flow createEgressClassifierTransportEgressRemoteFlow(NodeId nodeId, long nsp, long outport, String firstHopIp) { MatchBuilder match = OpenFlow13Utils.getNspMatch(nsp); Long ipl = InetAddresses.coerceToInteger(InetAddresses.forString(firstHopIp)) & 0xffffffffL; List actionList = new ArrayList<>(); actionList.add(OpenFlow13Utils.createActionNxLoadTunIpv4Dst(ipl, actionList.size())); actionList.add(OpenFlow13Utils.createActionOutPort("output:" + outport, actionList.size())); InstructionsBuilder isb = OpenFlow13Utils.wrapActionsIntoApplyActionsInstruction(actionList); String flowIdStr = EGRESS_CLASSIFIER_TPORTEGRESS_FLOW_NAME + nodeId.getValue() + "_" + nsp; return OpenFlow13Utils.createFlowBuilder(NwConstants.EGRESS_SFC_CLASSIFIER_EGRESS_TABLE, EGRESS_CLASSIFIER_EGRESS_REMOTE_PRIORITY, EGRESS_CLASSIFIER_TPORTEGRESS_COOKIE, EGRESS_CLASSIFIER_TPORTEGRESS_FLOW_NAME, flowIdStr, match, isb).build(); } public static Long getPortNoFromNodeConnector(String connector) { /* * NodeConnectorId is of the form 'openflow:dpnid:portnum' */ return Long.valueOf(connector.split(OF_URI_SEPARATOR)[2]); } public static BigInteger getDpnIdFromNodeId(NodeId nodeId) { /* * NodeId is of the form 'openflow:dpnid' */ return BigInteger.valueOf(Long.parseLong(nodeId.getValue().split(OF_URI_SEPARATOR)[1])); } }