renderers/ofoverlay/src/main/java/org/opendaylight/groupbasedpolicy/renderer/ofoverlay/flow/ChainActionFlows.java

   1 package org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow;
   2
   3 import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.addNxNsiMatch;
   4 import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.addNxNspMatch;
   5 import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.addNxRegMatch;
   6 import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.addNxTunIdMatch;
   7 import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.addNxTunIpv4DstMatch;
   8 import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.applyActionIns;
   9 import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.gotoTableIns;
  10 import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.instructions;
  11 import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.nxLoadNshc1RegAction;
  12 import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.nxLoadNshc2RegAction;
  13 import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.nxLoadRegAction;
  14 import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.nxLoadTunIPv4Action;
  15 import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.nxLoadTunIdAction;
  16 import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.nxOutputRegAction;
  17 import static org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.outputAction;
  18
  19 import java.math.BigInteger;
  20
  21 import org.opendaylight.groupbasedpolicy.renderer.ofoverlay.OfContext;
  22 import org.opendaylight.groupbasedpolicy.renderer.ofoverlay.OfWriter;
  23 import org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.FlowUtils.RegMatch;
  24 import org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.OrdinalFactory.EndpointFwdCtxOrdinals;
  25 import org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow.PolicyEnforcer.NetworkElements;
  26 import org.opendaylight.groupbasedpolicy.renderer.ofoverlay.sf.ChainAction;
  27 import org.opendaylight.groupbasedpolicy.renderer.ofoverlay.sfcutils.SfcNshHeader;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayContext;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg0;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg1;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg4;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg5;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg6;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmNxReg7;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.overlay.rev150105.TunnelTypeVxlanGpe;
  43 import org.slf4j.Logger;
  44 import org.slf4j.LoggerFactory;
  45
  46 public class ChainActionFlows {
  47
  48     private static final Logger LOG = LoggerFactory.getLogger(ChainAction.class);
  49
  50     public ChainActionFlows() {
  51
  52     }
  53
  54     public static void createChainTunnelFlows(SfcNshHeader sfcNshHeader, NetworkElements netElements, OfWriter ofWriter,
  55             OfContext ctx) {
  56
  57         NodeId localNodeId = netElements.getLocalNodeId();
  58         NodeId destNodeId = netElements.getDstEp().getAugmentation(OfOverlayContext.class).getNodeId();
  59         EndpointFwdCtxOrdinals epOrds = netElements.getSrcEpOrds();
  60
  61         NodeConnectorId localNodeTunPort = ctx.getSwitchManager().getTunnelPort(localNodeId, TunnelTypeVxlanGpe.class);
  62         NodeConnectorId destNodeTunPort = ctx.getSwitchManager().getTunnelPort(destNodeId, TunnelTypeVxlanGpe.class);
  63         if (localNodeTunPort == null || destNodeTunPort == null) {
  64             LOG.error("createChainTunnelFlows: No valid VXLAN GPE tunnel for Node {} or Node {}", localNodeId,
  65                     destNodeId);
  66             return;
  67         }
  68         ofWriter.writeFlow(localNodeId, ctx.getPolicyManager().getTABLEID_PORTSECURITY(),
  69                 allowFromChainPort(localNodeTunPort, ctx.getPolicyManager().getTABLEID_PORTSECURITY(), ctx));
  70
  71         ofWriter.writeFlow(localNodeId, ctx.getPolicyManager().getTABLEID_POLICY_ENFORCER(),
  72                 allowFromChainTunnel(localNodeTunPort, ctx.getPolicyManager().getTABLEID_POLICY_ENFORCER()));
  73
  74         ofWriter.writeFlow(
  75                 localNodeId,
  76                 ctx.getPolicyManager().getTABLEID_EXTERNAL_MAPPER(),
  77                 createExternalFlow(sfcNshHeader, localNodeTunPort, netElements, ctx.getPolicyManager()
  78                     .getTABLEID_EXTERNAL_MAPPER(), ctx));
  79
  80         ofWriter.writeFlow(
  81                 destNodeId,
  82                 ctx.getPolicyManager().getTABLEID_SOURCE_MAPPER(),
  83                 createChainTunnelFlow(sfcNshHeader, destNodeTunPort, epOrds, ctx.getPolicyManager()
  84                     .getTABLEID_SOURCE_MAPPER(), ctx));
  85
  86         ofWriter.writeFlow(
  87                 destNodeId,
  88                 ctx.getPolicyManager().getTABLEID_SOURCE_MAPPER(),
  89                 createChainBroadcastFlow(sfcNshHeader, destNodeTunPort, epOrds, ctx.getPolicyManager()
  90                     .getTABLEID_SOURCE_MAPPER(), ctx));
  91     }
  92
  93     private static Flow createChainBroadcastFlow(SfcNshHeader sfcNshHeader, NodeConnectorId tunPort,
  94             EndpointFwdCtxOrdinals epFwdCtxOrds, short tableId, OfContext ctx) {
  95
  96         int fdId = epFwdCtxOrds.getFdId();
  97
  98         MatchBuilder mb = new MatchBuilder().setInPort(tunPort);
  99
 100         addNxNsiMatch(mb, sfcNshHeader.getNshNsiFromChain());
 101         addNxNspMatch(mb, sfcNshHeader.getNshNspFromChain());
 102         addNxTunIdMatch(mb, fdId);
 103
 104         org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action fdReg = nxLoadRegAction(
 105                 NxmNxReg5.class, BigInteger.valueOf(fdId));
 106
 107         Match match = mb.build();
 108         FlowId flowId = FlowIdUtils.newFlowId(tableId, "chainbroadcast", match);
 109
 110         FlowBuilder flowb = base(tableId).setId(flowId)
 111             .setPriority(Integer.valueOf(150))
 112             .setMatch(match)
 113             .setInstructions(
 114                     instructions(applyActionIns(fdReg), gotoTableIns(ctx.getPolicyManager()
 115                         .getTABLEID_DESTINATION_MAPPER())));
 116         return flowb.build();
 117     }
 118
 119     private static Flow createExternalFlow(SfcNshHeader sfcNshHeader, NodeConnectorId tunPort,
 120             NetworkElements netElements, short tableId, OfContext ctx) {
 121
 122         Integer priority = 1000;
 123         int matchTunnelId=sfcNshHeader.getNshMetaC2().intValue();
 124         Long l3c=Long.valueOf(netElements.getSrcEpOrds().getL3Id());
 125
 126         org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action loadC1 = nxLoadNshc1RegAction(sfcNshHeader.getNshMetaC1());
 127         org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action loadC2 = nxLoadNshc2RegAction(sfcNshHeader.getNshMetaC2());
 128         org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action loadChainTunVnid = nxLoadTunIdAction(
 129                 BigInteger.valueOf(sfcNshHeader.getNshMetaC2()), false);
 130         org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action loadChainTunDest = nxLoadTunIPv4Action(
 131                 sfcNshHeader.getNshTunIpDst().getValue(), false);
 132
 133         MatchBuilder mb = new MatchBuilder();
 134         addNxRegMatch(mb, RegMatch.of(NxmNxReg6.class, l3c));
 135         addNxTunIdMatch(mb, matchTunnelId);
 136         addNxNspMatch(mb, sfcNshHeader.getNshNspToChain());
 137         addNxNsiMatch(mb, sfcNshHeader.getNshNsiToChain());
 138         if (!netElements.getDstNodeId().equals(netElements.getSrcNodeId())) {
 139             addNxTunIpv4DstMatch(mb, ctx.getSwitchManager()
 140                 .getTunnelIP(netElements.getDstNodeId(), TunnelTypeVxlanGpe.class)
 141                 .getIpv4Address());
 142             priority = 1500;
 143         }
 144
 145         Match match = mb.build();
 146         FlowId flowId = FlowIdUtils.newFlowId(tableId, "chainexternal", match);
 147         FlowBuilder flowb = base(tableId).setId(flowId)
 148             .setPriority(Integer.valueOf(priority))
 149             .setMatch(match)
 150             .setInstructions(
 151                     instructions(applyActionIns(loadC1, loadC2, loadChainTunDest, loadChainTunVnid,
 152                             outputAction(tunPort))));
 153         return flowb.build();
 154     }
 155
 156     private static Flow createChainTunnelFlow(SfcNshHeader sfcNshHeader, NodeConnectorId tunPort,
 157             EndpointFwdCtxOrdinals epFwdCtxOrds, short tableId, OfContext ctx) {
 158
 159         int egId = epFwdCtxOrds.getEpgId();
 160         int bdId = epFwdCtxOrds.getBdId();
 161         int fdId = epFwdCtxOrds.getFdId();
 162         int l3Id = epFwdCtxOrds.getL3Id();
 163         int tunnelId = epFwdCtxOrds.getTunnelId();
 164
 165         MatchBuilder mb = new MatchBuilder().setInPort(tunPort);
 166         addNxTunIdMatch(mb, tunnelId);
 167         addNxNspMatch(mb, sfcNshHeader.getNshNspFromChain());
 168         addNxNsiMatch(mb, sfcNshHeader.getNshNsiFromChain());
 169
 170         org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action segReg = nxLoadRegAction(
 171                 NxmNxReg0.class, BigInteger.valueOf(egId));
 172         org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action scgReg = nxLoadRegAction(
 173                 NxmNxReg1.class, BigInteger.valueOf(0xffffff));
 174         org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action bdReg = nxLoadRegAction(
 175                 NxmNxReg4.class, BigInteger.valueOf(bdId));
 176         org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action fdReg = nxLoadRegAction(
 177                 NxmNxReg5.class, BigInteger.valueOf(fdId));
 178         org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action vrfReg = nxLoadRegAction(
 179                 NxmNxReg6.class, BigInteger.valueOf(l3Id));
 180
 181         Match match = mb.build();
 182         FlowId flowId = FlowIdUtils.newFlowId(tableId, "chaintunnel", match);
 183         FlowBuilder flowb = base(tableId).setId(flowId)
 184             .setPriority(Integer.valueOf(150))
 185             .setMatch(match)
 186             .setInstructions(
 187                     instructions(applyActionIns(segReg, scgReg, bdReg, fdReg, vrfReg),
 188                             gotoTableIns(ctx.getPolicyManager().getTABLEID_DESTINATION_MAPPER())));
 189         return flowb.build();
 190     }
 191
 192     private static Flow allowFromChainPort(NodeConnectorId port, short tableId, OfContext ctx) {
 193
 194         Match match = new MatchBuilder().setInPort(port).build();
 195         FlowId flowId = FlowIdUtils.newFlowId(tableId, "chainport", match);
 196         FlowBuilder flowb = base(tableId).setId(flowId)
 197             .setPriority(Integer.valueOf(200))
 198             .setMatch(match)
 199             .setInstructions(FlowUtils.gotoTableInstructions(ctx.getPolicyManager().getTABLEID_SOURCE_MAPPER()));
 200         return flowb.build();
 201     }
 202
 203     private static Flow allowFromChainTunnel(NodeConnectorId tunPort, short tableId) {
 204
 205         MatchBuilder mb = new MatchBuilder().setInPort(tunPort);
 206         addNxRegMatch(mb, RegMatch.of(NxmNxReg1.class, Long.valueOf(0xffffff)));
 207         Match match = mb.build();
 208         FlowId flowId = FlowIdUtils.newFlowId(tableId, "chainport", match);
 209
 210         FlowBuilder flow = base(tableId).setId(flowId)
 211             .setMatch(match)
 212             .setPriority(65000)
 213             .setInstructions(instructions(applyActionIns(nxOutputRegAction(NxmNxReg7.class))));
 214         return flow.build();
 215
 216     }
 217
 218     /**
 219      * Get a base flow builder with some common features already set
 220      */
 221     private static FlowBuilder base(short tableId) {
 222         return new FlowBuilder().setTableId(tableId).setBarrier(false).setHardTimeout(0).setIdleTimeout(0);
 223     }
 224 }