Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1 | package net.onrc.onos.core.drivermanager; |
| 2 | |
| 3 | import java.io.IOException; |
| 4 | import java.util.ArrayList; |
| 5 | import java.util.Collections; |
| 6 | import java.util.List; |
| 7 | import java.util.concurrent.ConcurrentHashMap; |
| 8 | import java.util.concurrent.atomic.AtomicBoolean; |
| 9 | |
| 10 | import net.floodlightcontroller.core.IFloodlightProviderService.Role; |
| 11 | import net.floodlightcontroller.core.SwitchDriverSubHandshakeAlreadyStarted; |
| 12 | import net.floodlightcontroller.core.SwitchDriverSubHandshakeCompleted; |
| 13 | import net.floodlightcontroller.core.SwitchDriverSubHandshakeNotStarted; |
| 14 | import net.floodlightcontroller.core.internal.OFSwitchImplBase; |
| 15 | |
| 16 | import org.projectfloodlight.openflow.protocol.OFAsyncGetReply; |
| 17 | import org.projectfloodlight.openflow.protocol.OFBarrierRequest; |
| 18 | import org.projectfloodlight.openflow.protocol.OFBucket; |
| 19 | import org.projectfloodlight.openflow.protocol.OFDescStatsReply; |
| 20 | import org.projectfloodlight.openflow.protocol.OFErrorMsg; |
| 21 | import org.projectfloodlight.openflow.protocol.OFFactory; |
| 22 | import org.projectfloodlight.openflow.protocol.OFGroupDescStatsReply; |
| 23 | import org.projectfloodlight.openflow.protocol.OFGroupFeaturesStatsReply; |
| 24 | import org.projectfloodlight.openflow.protocol.OFGroupType; |
| 25 | import org.projectfloodlight.openflow.protocol.OFMatchV3; |
| 26 | import org.projectfloodlight.openflow.protocol.OFMessage; |
| 27 | import org.projectfloodlight.openflow.protocol.OFOxmList; |
| 28 | import org.projectfloodlight.openflow.protocol.OFPortDesc; |
| 29 | import org.projectfloodlight.openflow.protocol.OFStatsReply; |
| 30 | import org.projectfloodlight.openflow.protocol.action.OFAction; |
| 31 | import org.projectfloodlight.openflow.protocol.instruction.OFInstruction; |
| 32 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmEthDst; |
| 33 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmEthSrc; |
| 34 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmEthType; |
| 35 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmInPort; |
| 36 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmIpv4DstMasked; |
| 37 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmMetadataMasked; |
| 38 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmMplsLabel; |
| 39 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmVlanVid; |
| 40 | import org.projectfloodlight.openflow.types.EthType; |
| 41 | import org.projectfloodlight.openflow.types.IPv4Address; |
| 42 | import org.projectfloodlight.openflow.types.MacAddress; |
| 43 | import org.projectfloodlight.openflow.types.OFBufferId; |
| 44 | import org.projectfloodlight.openflow.types.OFGroup; |
| 45 | import org.projectfloodlight.openflow.types.OFMetadata; |
| 46 | import org.projectfloodlight.openflow.types.OFPort; |
| 47 | import org.projectfloodlight.openflow.types.OFVlanVidMatch; |
| 48 | import org.projectfloodlight.openflow.types.TableId; |
| 49 | import org.projectfloodlight.openflow.types.U32; |
| 50 | import org.projectfloodlight.openflow.types.U64; |
| 51 | import org.projectfloodlight.openflow.util.HexString; |
| 52 | |
| 53 | /** |
| 54 | * OFDescriptionStatistics Vendor (Manufacturer Desc.): Stanford University, |
| 55 | * Ericsson Research and CPqD Research. Make (Hardware Desc.) : OpenFlow 1.3 |
| 56 | * Reference Userspace Switch Model (Datapath Desc.) : None Software : Serial : |
| 57 | * None |
| 58 | */ |
| 59 | public class OFSwitchImplCPqD13 extends OFSwitchImplBase { |
| 60 | private static final int VLAN_ID_OFFSET = 16; |
| 61 | private AtomicBoolean driverHandshakeComplete; |
| 62 | private OFFactory factory; |
| 63 | private static final int OFPCML_NO_BUFFER = 0xffff; |
| 64 | // Configuration of asynch messages to controller. We need different |
| 65 | // asynch messages depending on role-equal or role-master. |
| 66 | // We don't want to get anything if we are slave. |
| 67 | private static final long SET_FLOW_REMOVED_MASK_MASTER = 0xf; |
| 68 | private static final long SET_PACKET_IN_MASK_MASTER = 0x7; |
| 69 | private static final long SET_PORT_STATUS_MASK_MASTER = 0x7; |
| 70 | private static final long SET_FLOW_REMOVED_MASK_EQUAL = 0x0; |
| 71 | private static final long SET_PACKET_IN_MASK_EQUAL = 0x0; |
| 72 | private static final long SET_PORT_STATUS_MASK_EQUAL = 0x7; |
| 73 | private static final long SET_ALL_SLAVE = 0x0; |
| 74 | |
| 75 | private static final long TEST_FLOW_REMOVED_MASK = 0xf; |
| 76 | private static final long TEST_PACKET_IN_MASK = 0x7; |
| 77 | private static final long TEST_PORT_STATUS_MASK = 0x7; |
| 78 | private long barrierXidToWaitFor = -1; |
| 79 | |
| 80 | private static final int TABLE_VLAN = 0; |
| 81 | private static final int TABLE_TMAC = 1; |
| 82 | private static final int TABLE_IPV4_UNICAST = 2; |
| 83 | private static final int TABLE_MPLS = 3; |
| 84 | private static final int TABLE_META = 4; |
| 85 | private static final int TABLE_ACL = 5; |
| 86 | |
| 87 | private static final short MAX_PRIORITY = (short) 0xffff; |
| 88 | private static final short SLASH_24_PRIORITY = (short) 0xfff0; |
| 89 | private static final short SLASH_16_PRIORITY = (short) 0xff00; |
| 90 | private static final short SLASH_8_PRIORITY = (short) 0xf000; |
| 91 | private static final short MIN_PRIORITY = 0x0; |
| 92 | private static final U64 METADATA_MASK = U64.of(Long.MAX_VALUE << 1 | 0x1); |
| 93 | |
| 94 | ConcurrentHashMap<Integer, OFGroup> l2groups; |
| 95 | |
Jonathan Hart | cb34f38 | 2014-08-12 21:11:03 -0700 | [diff] [blame] | 96 | private final boolean usePipeline13; |
| 97 | |
| 98 | public OFSwitchImplCPqD13(OFDescStatsReply desc, boolean usePipeline13) { |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 99 | super(); |
| 100 | driverHandshakeComplete = new AtomicBoolean(false); |
| 101 | l2groups = new ConcurrentHashMap<Integer, OFGroup>(); |
| 102 | setSwitchDescription(desc); |
| 103 | |
Jonathan Hart | cb34f38 | 2014-08-12 21:11:03 -0700 | [diff] [blame] | 104 | this.usePipeline13 = usePipeline13; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | /* (non-Javadoc) |
| 108 | * @see java.lang.Object#toString() |
| 109 | */ |
| 110 | @Override |
| 111 | public String toString() { |
| 112 | return "OFSwitchImplCPqD13 [" + ((channel != null) |
| 113 | ? channel.getRemoteAddress() : "?") |
| 114 | + " DPID[" + ((stringId != null) ? stringId : "?") + "]]"; |
| 115 | } |
| 116 | |
| 117 | @Override |
| 118 | public void startDriverHandshake() throws IOException { |
| 119 | log.debug("Starting driver handshake for sw {}", getStringId()); |
| 120 | if (startDriverHandshakeCalled) { |
| 121 | throw new SwitchDriverSubHandshakeAlreadyStarted(); |
| 122 | } |
| 123 | startDriverHandshakeCalled = true; |
Jonathan Hart | a213bce | 2014-08-11 15:44:07 -0700 | [diff] [blame] | 124 | factory = getFactory(); |
Jonathan Hart | cb34f38 | 2014-08-12 21:11:03 -0700 | [diff] [blame] | 125 | if (!usePipeline13) { |
| 126 | // Send packet-in to controller if a packet misses the first table |
| 127 | populateTableMissEntry(0, true, false, false, 0); |
| 128 | } //else { |
| 129 | // configureSwitch(); |
| 130 | //} |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 131 | sendBarrier(true); |
| 132 | } |
| 133 | |
| 134 | @Override |
| 135 | public boolean isDriverHandshakeComplete() { |
| 136 | if (!startDriverHandshakeCalled) { |
| 137 | throw new SwitchDriverSubHandshakeNotStarted(); |
| 138 | } |
| 139 | return driverHandshakeComplete.get(); |
| 140 | } |
| 141 | |
| 142 | @Override |
| 143 | public void processDriverHandshakeMessage(OFMessage m) { |
| 144 | if (!startDriverHandshakeCalled) { |
| 145 | throw new SwitchDriverSubHandshakeNotStarted(); |
| 146 | } |
| 147 | if (driverHandshakeComplete.get()) { |
| 148 | throw new SwitchDriverSubHandshakeCompleted(m); |
| 149 | } |
| 150 | |
| 151 | if (!startDriverHandshakeCalled) { |
| 152 | throw new SwitchDriverSubHandshakeNotStarted(); |
| 153 | } |
| 154 | if (driverHandshakeComplete.get()) { |
| 155 | throw new SwitchDriverSubHandshakeCompleted(m); |
| 156 | } |
| 157 | |
| 158 | switch (m.getType()) { |
| 159 | case BARRIER_REPLY: |
| 160 | if (m.getXid() == barrierXidToWaitFor) { |
| 161 | driverHandshakeComplete.set(true); |
| 162 | } |
| 163 | break; |
| 164 | |
| 165 | case ERROR: |
| 166 | log.error("Switch {} Error {}", getStringId(), (OFErrorMsg) m); |
| 167 | break; |
| 168 | |
| 169 | case FEATURES_REPLY: |
| 170 | break; |
| 171 | case FLOW_REMOVED: |
| 172 | break; |
| 173 | case GET_ASYNC_REPLY: |
| 174 | OFAsyncGetReply asrep = (OFAsyncGetReply) m; |
| 175 | decodeAsyncGetReply(asrep); |
| 176 | break; |
| 177 | |
| 178 | case PACKET_IN: |
| 179 | break; |
| 180 | case PORT_STATUS: |
| 181 | break; |
| 182 | case QUEUE_GET_CONFIG_REPLY: |
| 183 | break; |
| 184 | case ROLE_REPLY: |
| 185 | break; |
| 186 | |
| 187 | case STATS_REPLY: |
| 188 | processStatsReply((OFStatsReply) m); |
| 189 | break; |
| 190 | |
| 191 | default: |
| 192 | log.debug("Received message {} during switch-driver subhandshake " |
| 193 | + "from switch {} ... Ignoring message", m, getStringId()); |
| 194 | |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | private void configureSwitch() throws IOException { |
| 199 | // setAsyncConfig(); |
| 200 | // getTableFeatures(); |
| 201 | sendGroupFeaturesRequest(); |
| 202 | setL2Groups(); |
| 203 | sendBarrier(false); |
| 204 | setL3Groups(); |
| 205 | setL25Groups(); |
| 206 | sendGroupDescRequest(); |
| 207 | populateTableVlan(); |
| 208 | populateTableTMac(); |
| 209 | populateIpTable(); |
| 210 | populateMplsTable(); |
| 211 | populateTableMissEntry(TABLE_ACL, false, false, false, -1); |
| 212 | sendBarrier(true); |
| 213 | } |
| 214 | |
| 215 | private void setAsyncConfig() throws IOException { |
| 216 | List<OFMessage> msglist = new ArrayList<OFMessage>(3); |
| 217 | OFMessage setAC = null; |
| 218 | |
| 219 | if (role == Role.MASTER) { |
| 220 | setAC = factory.buildAsyncSet() |
| 221 | .setFlowRemovedMaskEqualMaster(SET_FLOW_REMOVED_MASK_MASTER) |
| 222 | .setPacketInMaskEqualMaster(SET_PACKET_IN_MASK_MASTER) |
| 223 | .setPortStatusMaskEqualMaster(SET_PORT_STATUS_MASK_MASTER) |
| 224 | .setFlowRemovedMaskSlave(SET_ALL_SLAVE) |
| 225 | .setPacketInMaskSlave(SET_ALL_SLAVE) |
| 226 | .setPortStatusMaskSlave(SET_ALL_SLAVE) |
| 227 | .setXid(getNextTransactionId()) |
| 228 | .build(); |
| 229 | } else if (role == Role.EQUAL) { |
| 230 | setAC = factory.buildAsyncSet() |
| 231 | .setFlowRemovedMaskEqualMaster(SET_FLOW_REMOVED_MASK_EQUAL) |
| 232 | .setPacketInMaskEqualMaster(SET_PACKET_IN_MASK_EQUAL) |
| 233 | .setPortStatusMaskEqualMaster(SET_PORT_STATUS_MASK_EQUAL) |
| 234 | .setFlowRemovedMaskSlave(SET_ALL_SLAVE) |
| 235 | .setPacketInMaskSlave(SET_ALL_SLAVE) |
| 236 | .setPortStatusMaskSlave(SET_ALL_SLAVE) |
| 237 | .setXid(getNextTransactionId()) |
| 238 | .build(); |
| 239 | } |
| 240 | msglist.add(setAC); |
| 241 | |
| 242 | OFMessage br = factory.buildBarrierRequest() |
| 243 | .setXid(getNextTransactionId()) |
| 244 | .build(); |
| 245 | msglist.add(br); |
| 246 | |
| 247 | OFMessage getAC = factory.buildAsyncGetRequest() |
| 248 | .setXid(getNextTransactionId()) |
| 249 | .build(); |
| 250 | msglist.add(getAC); |
| 251 | |
| 252 | write(msglist); |
| 253 | } |
| 254 | |
| 255 | private void decodeAsyncGetReply(OFAsyncGetReply rep) { |
| 256 | long frm = rep.getFlowRemovedMaskEqualMaster(); |
| 257 | //long frs = rep.getFlowRemovedMaskSlave(); |
| 258 | long pim = rep.getPacketInMaskEqualMaster(); |
| 259 | //long pis = rep.getPacketInMaskSlave(); |
| 260 | long psm = rep.getPortStatusMaskEqualMaster(); |
| 261 | //long pss = rep.getPortStatusMaskSlave(); |
| 262 | |
| 263 | if (role == Role.MASTER || role == Role.EQUAL) { // should separate |
| 264 | log.info("FRM:{}", HexString.toHexString((frm & TEST_FLOW_REMOVED_MASK))); |
| 265 | log.info("PIM:{}", HexString.toHexString((pim & TEST_PACKET_IN_MASK))); |
| 266 | log.info("PSM:{}", HexString.toHexString((psm & TEST_PORT_STATUS_MASK))); |
| 267 | } |
| 268 | |
| 269 | } |
| 270 | |
| 271 | private void getTableFeatures() throws IOException { |
| 272 | OFMessage gtf = factory.buildTableFeaturesStatsRequest() |
| 273 | .setXid(getNextTransactionId()) |
| 274 | .build(); |
| 275 | write(gtf, null); |
| 276 | } |
| 277 | |
| 278 | private void sendGroupFeaturesRequest() throws IOException { |
| 279 | OFMessage gfr = factory.buildGroupFeaturesStatsRequest() |
| 280 | .setXid(getNextTransactionId()) |
| 281 | .build(); |
| 282 | write(gfr, null); |
| 283 | } |
| 284 | |
| 285 | private void sendGroupDescRequest() throws IOException { |
| 286 | OFMessage gdr = factory.buildGroupDescStatsRequest() |
| 287 | .setXid(getNextTransactionId()) |
| 288 | .build(); |
| 289 | write(gdr, null); |
| 290 | } |
| 291 | |
| 292 | /*Create L2 interface groups for all physical ports |
| 293 | Naming convention followed is the same as OF-DPA spec |
| 294 | eg. port 1 with allowed vlan 10, is enveloped in group with id, |
| 295 | 0x0 00a 0001, where the uppermost 4 bits identify an L2 interface, |
| 296 | the next 12 bits identify the vlan-id, and the lowermost 16 bits |
| 297 | identify the port number.*/ |
| 298 | private void setL2Groups() throws IOException { |
| 299 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 300 | for (OFPortDesc p : getPorts()) { |
| 301 | int pnum = p.getPortNo().getPortNumber(); |
| 302 | int portVlan = getVlanConfig(pnum); |
| 303 | if (U32.of(pnum).compareTo(U32.of(OFPort.MAX.getPortNumber())) < 1) { |
| 304 | OFGroup gl2 = OFGroup.of(pnum | (portVlan << VLAN_ID_OFFSET)); |
| 305 | OFAction out = factory.actions().buildOutput() |
| 306 | .setPort(p.getPortNo()).build(); |
| 307 | OFAction popVlan = factory.actions().popVlan(); |
| 308 | List<OFAction> actions = new ArrayList<OFAction>(); |
| 309 | actions.add(popVlan); |
| 310 | actions.add(out); |
| 311 | OFBucket bucket = factory.buildBucket() |
| 312 | .setActions(actions).build(); |
| 313 | List<OFBucket> buckets = Collections.singletonList(bucket); |
| 314 | OFMessage gmAdd = factory.buildGroupAdd() |
| 315 | .setGroup(gl2) |
| 316 | .setBuckets(buckets) |
| 317 | .setGroupType(OFGroupType.INDIRECT) |
| 318 | .setXid(getNextTransactionId()) |
| 319 | .build(); |
| 320 | msglist.add(gmAdd); |
| 321 | l2groups.put(pnum, gl2); |
| 322 | } |
| 323 | } |
| 324 | log.debug("Creating {} L2 groups in sw {}", msglist.size(), getStringId()); |
| 325 | write(msglist); |
| 326 | } |
| 327 | |
| 328 | private int getVlanConfig(int portnum) { |
| 329 | int portVlan = 10 * portnum; |
| 330 | if ((getId() == 0x1 && portnum == 6) || |
| 331 | (getId() == 0x2) || |
| 332 | (getId() == 0x3 && portnum == 2)) { |
| 333 | portVlan = 192; // 0xc0 |
| 334 | } |
| 335 | return portVlan; |
| 336 | } |
| 337 | |
| 338 | private MacAddress getRouterMacAddr() { |
| 339 | if (getId() == 0x3) { |
| 340 | return MacAddress.of("00:00:07:07:07:80"); // router mac |
| 341 | } |
| 342 | if (getId() == 0x1) { |
| 343 | return MacAddress.of("00:00:01:01:01:80"); |
| 344 | } |
| 345 | // switch 0x2 |
| 346 | return MacAddress.of("00:00:02:02:02:80"); |
| 347 | } |
| 348 | |
| 349 | // only for ports connected to other routers |
| 350 | private OFAction getDestAction(int portnum) { |
| 351 | OFAction setDA = null; |
| 352 | MacAddress dAddr = null; |
| 353 | if (getId() == 0x1 && portnum == 6) { // connected to switch 2 |
| 354 | dAddr = MacAddress.of("00:00:02:02:02:80"); |
| 355 | } |
| 356 | if (getId() == 0x2) { |
| 357 | if (portnum == 1) { // connected to sw 1 |
| 358 | dAddr = MacAddress.of("00:00:01:01:01:80"); |
| 359 | } else if (portnum == 2) { // connected to sw 3 |
| 360 | dAddr = MacAddress.of("00:00:07:07:07:80"); |
| 361 | } |
| 362 | } |
| 363 | if (getId() == 0x3) { |
| 364 | if (portnum == 2) { // connected to switch 2 |
| 365 | dAddr = MacAddress.of("00:00:02:02:02:80"); |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | if (dAddr != null) { |
| 370 | OFOxmEthDst dstAddr = factory.oxms().ethDst(dAddr); |
| 371 | setDA = factory.actions().buildSetField() |
| 372 | .setField(dstAddr).build(); |
| 373 | } |
| 374 | return setDA; |
| 375 | } |
| 376 | |
| 377 | /* |
| 378 | * L3 groups are created for all router ports and they all point to corresponding |
| 379 | * L2 groups. Only the ports that connect to other routers will have the |
| 380 | * DA set. |
| 381 | */ |
| 382 | private void setL3Groups() throws IOException { |
| 383 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 384 | for (OFGroup gl2 : l2groups.values()) { |
| 385 | int gnum = gl2.getGroupNumber(); |
| 386 | int portnum = gnum & 0x0000ffff; |
| 387 | int vlanid = ((gnum & 0x0fff0000) >> VLAN_ID_OFFSET); |
| 388 | MacAddress sAddr = getRouterMacAddr(); |
| 389 | |
| 390 | OFGroup gl3 = OFGroup.of(0x20000000 | portnum); |
| 391 | OFAction group = factory.actions().buildGroup() |
| 392 | .setGroup(gl2).build(); |
| 393 | OFOxmEthSrc srcAddr = factory.oxms().ethSrc(sAddr); |
| 394 | OFAction setSA = factory.actions().buildSetField() |
| 395 | .setField(srcAddr).build(); |
| 396 | OFOxmVlanVid vid = factory.oxms().vlanVid(OFVlanVidMatch.ofVlan(vlanid)); |
| 397 | OFAction setVlan = factory.actions().buildSetField() |
| 398 | .setField(vid).build(); |
| 399 | OFAction decTtl = factory.actions().decNwTtl(); |
| 400 | |
| 401 | List<OFAction> actions = new ArrayList<OFAction>(); |
| 402 | actions.add(decTtl); // decrement the IP TTL/do-checksum/check TTL |
| 403 | // and MTU |
| 404 | actions.add(setVlan); // set the vlan-id of the exit-port (and |
| 405 | // l2group) |
| 406 | actions.add(setSA); // set this routers mac address |
| 407 | // make L3Unicast group setDA for known (configured) ports |
| 408 | // that connect to other routers |
| 409 | OFAction setDA = getDestAction(portnum); |
| 410 | if (setDA != null) { |
| 411 | actions.add(setDA); |
| 412 | } |
| 413 | actions.add(group); |
| 414 | |
| 415 | OFBucket bucket = factory.buildBucket() |
| 416 | .setActions(actions).build(); |
| 417 | List<OFBucket> buckets = Collections.singletonList(bucket); |
| 418 | OFMessage gmAdd = factory.buildGroupAdd() |
| 419 | .setGroup(gl3) |
| 420 | .setBuckets(buckets) |
| 421 | .setGroupType(OFGroupType.INDIRECT) |
| 422 | .setXid(getNextTransactionId()) |
| 423 | .build(); |
| 424 | msglist.add(gmAdd); |
| 425 | } |
| 426 | write(msglist); |
| 427 | log.debug("Creating {} L3 groups in sw {}", msglist.size(), getStringId()); |
| 428 | } |
| 429 | |
| 430 | /* |
| 431 | * L2.5 or mpls-unicast groups are only created for those router ports |
| 432 | * connected to other router ports. They differ from the corresponding |
| 433 | * L3-unicast group only by the fact that they decrement the MPLS TTL |
| 434 | * instead of the IP ttl |
| 435 | */ |
| 436 | private void setL25Groups() throws IOException { |
| 437 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 438 | for (OFGroup gl2 : l2groups.values()) { |
| 439 | int gnum = gl2.getGroupNumber(); |
| 440 | int portnum = gnum & 0x0000ffff; |
| 441 | int vlanid = ((gnum & 0x0fff0000) >> VLAN_ID_OFFSET); |
| 442 | MacAddress sAddr = getRouterMacAddr(); |
| 443 | OFAction setDA = getDestAction(portnum); |
| 444 | // setDA will only be non-null for ports connected to routers |
| 445 | if (setDA != null) { |
| 446 | OFGroup gl3 = OFGroup.of(0xa0000000 | portnum); // different id |
| 447 | // for mpls |
| 448 | // group |
| 449 | OFAction group = factory.actions().buildGroup() |
| 450 | .setGroup(gl2).build(); |
| 451 | OFOxmEthSrc srcAddr = factory.oxms().ethSrc(sAddr); |
| 452 | OFAction setSA = factory.actions().buildSetField() |
| 453 | .setField(srcAddr).build(); |
| 454 | OFOxmVlanVid vid = factory.oxms().vlanVid(OFVlanVidMatch.ofVlan(vlanid)); |
| 455 | OFAction setVlan = factory.actions().buildSetField() |
| 456 | .setField(vid).build(); |
| 457 | OFAction decMplsTtl = factory.actions().decMplsTtl(); |
| 458 | List<OFAction> actions = new ArrayList<OFAction>(); |
| 459 | actions.add(decMplsTtl); // decrement the MPLS |
| 460 | // TTL/do-checksum/check TTL and MTU |
| 461 | actions.add(setVlan); // set the vlan-id of the exit-port (and |
| 462 | // l2group) |
| 463 | actions.add(setSA); // set this routers mac address |
| 464 | actions.add(setDA); |
| 465 | actions.add(group); |
| 466 | OFBucket bucket = factory.buildBucket() |
| 467 | .setActions(actions).build(); |
| 468 | List<OFBucket> buckets = Collections.singletonList(bucket); |
| 469 | OFMessage gmAdd = factory.buildGroupAdd() |
| 470 | .setGroup(gl3) |
| 471 | .setBuckets(buckets) |
| 472 | .setGroupType(OFGroupType.INDIRECT) |
| 473 | .setXid(getNextTransactionId()) |
| 474 | .build(); |
| 475 | msglist.add(gmAdd); |
| 476 | } |
| 477 | } |
| 478 | write(msglist); |
| 479 | log.debug("Creating {} MPLS groups in sw {}", msglist.size(), getStringId()); |
| 480 | } |
| 481 | |
| 482 | /* Using ECMP groups |
| 483 | * |
| 484 | * OFGroup group47 = OFGroup.of(47); |
| 485 | OFAction outgroup1 = factory.actions() |
| 486 | .buildGroup() |
| 487 | .setGroup(group61) |
| 488 | .build(); |
| 489 | OFBucket buc47_1 = factory.buildBucket() |
| 490 | .setWeight(1) |
| 491 | .setActions(Collections.singletonList(outgroup1)) |
| 492 | .build(); |
| 493 | OFAction outgroup2 = factory.actions() |
| 494 | .buildGroup() |
| 495 | .setGroup(group62) |
| 496 | .build(); |
| 497 | OFBucket buc47_2 = factory.buildBucket() |
| 498 | .setWeight(1) |
| 499 | .setActions(Collections.singletonList(outgroup2)) |
| 500 | .build(); |
| 501 | List<OFBucket> buckets47 = new ArrayList<OFBucket>(); |
| 502 | buckets47.add(buc47_1); |
| 503 | buckets47.add(buc47_2); |
| 504 | OFMessage gmS12 = factory.buildGroupAdd() |
| 505 | .setGroup(group47) |
| 506 | .setBuckets(buckets47) |
| 507 | .setGroupType(OFGroupType.SELECT) |
| 508 | .setXid(getNextTransactionId()) |
| 509 | .build(); |
| 510 | write(gmS12, null); */ |
| 511 | |
| 512 | private void processStatsReply(OFStatsReply sr) { |
| 513 | switch (sr.getStatsType()) { |
| 514 | case AGGREGATE: |
| 515 | break; |
| 516 | case DESC: |
| 517 | break; |
| 518 | case EXPERIMENTER: |
| 519 | break; |
| 520 | case FLOW: |
| 521 | break; |
| 522 | case GROUP_DESC: |
| 523 | processGroupDesc((OFGroupDescStatsReply) sr); |
| 524 | break; |
| 525 | case GROUP_FEATURES: |
| 526 | processGroupFeatures((OFGroupFeaturesStatsReply) sr); |
| 527 | break; |
| 528 | case METER_CONFIG: |
| 529 | break; |
| 530 | case METER_FEATURES: |
| 531 | break; |
| 532 | case PORT_DESC: |
| 533 | break; |
| 534 | case TABLE_FEATURES: |
| 535 | break; |
| 536 | default: |
| 537 | break; |
| 538 | |
| 539 | } |
| 540 | } |
| 541 | |
| 542 | private void processGroupFeatures(OFGroupFeaturesStatsReply gfsr) { |
| 543 | log.info("Sw: {} Group Features {}", getStringId(), gfsr); |
| 544 | } |
| 545 | |
| 546 | private void processGroupDesc(OFGroupDescStatsReply gdsr) { |
| 547 | log.info("Sw: {} Group Desc {}", getStringId(), gdsr); |
| 548 | } |
| 549 | |
| 550 | private void populateTableVlan() throws IOException { |
| 551 | // for all incoming ports assign configured port-vlans |
| 552 | // currently assign portnum*10 -> vlanid to access ports |
| 553 | // and vlan 192 to router to router ports |
| 554 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 555 | for (OFPortDesc p : getPorts()) { |
| 556 | int pnum = p.getPortNo().getPortNumber(); |
| 557 | if (U32.of(pnum).compareTo(U32.of(OFPort.MAX.getPortNumber())) < 1) { |
| 558 | int vlanid = getVlanConfig(pnum); |
| 559 | OFOxmInPort oxp = factory.oxms().inPort(p.getPortNo()); |
| 560 | OFOxmVlanVid oxv = factory.oxms() |
| 561 | .vlanVid(OFVlanVidMatch.UNTAGGED); |
| 562 | OFOxmList oxmList = OFOxmList.of(oxp, oxv); |
| 563 | OFMatchV3 match = factory.buildMatchV3() |
| 564 | .setOxmList(oxmList).build(); |
| 565 | OFOxmVlanVid vidToSet = factory.oxms() |
| 566 | .vlanVid(OFVlanVidMatch.ofVlan(vlanid)); |
| 567 | OFAction pushVlan = factory.actions().pushVlan(EthType.VLAN_FRAME); |
| 568 | OFAction setVlan = factory.actions().setField(vidToSet); |
| 569 | List<OFAction> actionlist = new ArrayList<OFAction>(); |
| 570 | actionlist.add(pushVlan); |
| 571 | actionlist.add(setVlan); |
| 572 | OFInstruction appAction = factory.instructions().buildApplyActions() |
| 573 | .setActions(actionlist).build(); |
| 574 | OFInstruction gotoTbl = factory.instructions().buildGotoTable() |
| 575 | .setTableId(TableId.of(TABLE_TMAC)).build(); |
| 576 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 577 | instructions.add(appAction); |
| 578 | instructions.add(gotoTbl); |
| 579 | OFMessage flowEntry = factory.buildFlowAdd() |
| 580 | .setTableId(TableId.of(TABLE_VLAN)) |
| 581 | .setMatch(match) |
| 582 | .setInstructions(instructions) |
| 583 | .setPriority(1000) // does not matter - all rules |
| 584 | // exclusive |
| 585 | .setBufferId(OFBufferId.NO_BUFFER) |
| 586 | .setIdleTimeout(0) |
| 587 | .setHardTimeout(0) |
| 588 | .setXid(getNextTransactionId()) |
| 589 | .build(); |
| 590 | msglist.add(flowEntry); |
| 591 | } |
| 592 | } |
| 593 | // table-vlan has no table-miss entry, and so packets that miss are |
| 594 | // essentially dropped |
| 595 | write(msglist); |
| 596 | log.debug("Adding {} vlan-rules in sw {}", msglist.size(), getStringId()); |
| 597 | } |
| 598 | |
| 599 | private void populateTableTMac() throws IOException { |
| 600 | // match for ip packets |
| 601 | OFOxmEthType oxe = factory.oxms().ethType(EthType.IPv4); |
| 602 | OFOxmList oxmListIp = OFOxmList.of(oxe); |
| 603 | OFMatchV3 matchIp = factory.buildMatchV3() |
| 604 | .setOxmList(oxmListIp).build(); |
| 605 | OFInstruction gotoTblIp = factory.instructions().buildGotoTable() |
| 606 | .setTableId(TableId.of(TABLE_IPV4_UNICAST)).build(); |
| 607 | List<OFInstruction> instructionsIp = Collections.singletonList(gotoTblIp); |
| 608 | OFMessage ipEntry = factory.buildFlowAdd() |
| 609 | .setTableId(TableId.of(TABLE_TMAC)) |
| 610 | .setMatch(matchIp) |
| 611 | .setInstructions(instructionsIp) |
| 612 | .setPriority(1000) // strict priority required lower than |
| 613 | // multicastMac |
| 614 | .setBufferId(OFBufferId.NO_BUFFER) |
| 615 | .setIdleTimeout(0) |
| 616 | .setHardTimeout(0) |
| 617 | .setXid(getNextTransactionId()) |
| 618 | .build(); |
| 619 | |
| 620 | // match for mpls packets |
| 621 | OFOxmEthType oxmpls = factory.oxms().ethType(EthType.MPLS_UNICAST); |
| 622 | OFOxmList oxmListMpls = OFOxmList.of(oxmpls); |
| 623 | OFMatchV3 matchMpls = factory.buildMatchV3() |
| 624 | .setOxmList(oxmListMpls).build(); |
| 625 | OFInstruction gotoTblMpls = factory.instructions().buildGotoTable() |
| 626 | .setTableId(TableId.of(TABLE_MPLS)).build(); |
| 627 | List<OFInstruction> instructionsMpls = Collections.singletonList(gotoTblMpls); |
| 628 | OFMessage mplsEntry = factory.buildFlowAdd() |
| 629 | .setTableId(TableId.of(TABLE_TMAC)) |
| 630 | .setMatch(matchMpls) |
| 631 | .setInstructions(instructionsMpls) |
| 632 | .setPriority(1001) // strict priority required lower than |
| 633 | // multicastMac |
| 634 | .setBufferId(OFBufferId.NO_BUFFER) |
| 635 | .setIdleTimeout(0) |
| 636 | .setHardTimeout(0) |
| 637 | .setXid(getNextTransactionId()) |
| 638 | .build(); |
| 639 | |
| 640 | // match for everything else to send to controller. Essentially |
| 641 | // the table miss flow entry |
| 642 | populateTableMissEntry(TABLE_TMAC, true, false, false, -1); |
| 643 | log.debug("Adding termination-mac-rules in sw {}", getStringId()); |
| 644 | List<OFMessage> msglist = new ArrayList<OFMessage>(2); |
| 645 | msglist.add(ipEntry); |
| 646 | msglist.add(mplsEntry); |
| 647 | write(msglist); |
| 648 | } |
| 649 | |
| 650 | private List<String> getMyIps() { // send to controller |
| 651 | List<String> myIps = new ArrayList<String>(); |
| 652 | if (getId() == 0x1) { |
| 653 | myIps.add("10.0.2.128"); |
| 654 | myIps.add("10.0.3.128"); |
| 655 | myIps.add("10.0.1.128"); |
| 656 | myIps.add("192.168.0.1"); |
| 657 | } |
| 658 | if (getId() == 0x2) { |
| 659 | myIps.add("192.168.0.2"); |
| 660 | } |
| 661 | if (getId() == 0x3) { |
| 662 | myIps.add("192.168.0.3"); |
| 663 | myIps.add("7.7.7.128"); |
| 664 | } |
| 665 | return myIps; |
| 666 | } |
| 667 | |
| 668 | private List<String> getMySubnetIps() { // send to controller |
| 669 | List<String> subnetIps = new ArrayList<String>(); |
| 670 | if (getId() == 0x1) { |
| 671 | subnetIps.add("10.0.2.0"); |
| 672 | subnetIps.add("10.0.3.0"); |
| 673 | subnetIps.add("10.0.1.0"); |
| 674 | } |
| 675 | // TODO needed? |
| 676 | //if (getId() == 0x2) { |
| 677 | //} |
| 678 | if (getId() == 0x3) { |
| 679 | subnetIps.add("7.7.7.0"); |
| 680 | } |
| 681 | return subnetIps; |
| 682 | } |
| 683 | |
| 684 | private static class RouteEntry { |
| 685 | String prefix; |
| 686 | String mask; |
| 687 | int nextHopPort; |
| 688 | String dstMac; |
| 689 | int label; |
| 690 | |
| 691 | public RouteEntry(String prefix, String mask, int nextHopPort, int label) { |
| 692 | this.prefix = prefix; |
| 693 | this.mask = mask; |
| 694 | this.nextHopPort = nextHopPort; |
| 695 | this.label = label; |
| 696 | } |
| 697 | |
| 698 | public RouteEntry(String prefix, int nextHopPort, String dstMac) { |
| 699 | this.prefix = prefix; |
| 700 | this.nextHopPort = nextHopPort; |
| 701 | this.dstMac = dstMac; |
| 702 | } |
| 703 | } |
| 704 | |
| 705 | // send out of mpls-group where the next-hop mac-da is already set |
| 706 | private List<RouteEntry> getRouterNextHopIps() { |
| 707 | List<RouteEntry> routerNextHopIps = new ArrayList<RouteEntry>(); |
| 708 | if (getId() == 0x1) { |
| 709 | routerNextHopIps |
| 710 | .add(new RouteEntry("192.168.0.2", "255.255.255.255", 6, 102)); |
| 711 | routerNextHopIps |
| 712 | .add(new RouteEntry("192.168.0.3", "255.255.255.255", 6, 103)); |
| 713 | routerNextHopIps.add(new RouteEntry("7.7.7.0", "255.255.255.0", 6, 103)); |
| 714 | } |
| 715 | //if (getId() == 0x2) { |
| 716 | /* These are required for normal IP routing without labels. |
| 717 | routerNextHopIps.add(new RouteEntry("192.168.0.1","255.255.255.255",1)); |
| 718 | routerNextHopIps.add(new RouteEntry("192.168.0.3","255.255.255.255",2)); |
| 719 | routerNextHopIps.add(new RouteEntry("10.0.1.0","255.255.255.0",1)); |
| 720 | routerNextHopIps.add(new RouteEntry("10.0.2.0","255.255.255.0",1)); |
| 721 | routerNextHopIps.add(new RouteEntry("10.0.3.0","255.255.255.0",1)); |
| 722 | routerNextHopIps.add(new RouteEntry("7.7.7.0","255.255.255.0",2));*/ |
| 723 | //} |
| 724 | if (getId() == 0x3) { |
| 725 | routerNextHopIps |
| 726 | .add(new RouteEntry("192.168.0.2", "255.255.255.255", 2, 102)); |
| 727 | routerNextHopIps |
| 728 | .add(new RouteEntry("192.168.0.1", "255.255.255.255", 2, 101)); |
| 729 | routerNextHopIps.add(new RouteEntry("10.0.1.0", "255.255.255.0", 2, 101)); |
| 730 | routerNextHopIps.add(new RouteEntry("10.0.2.0", "255.255.255.0", 2, 101)); |
| 731 | routerNextHopIps.add(new RouteEntry("10.0.3.0", "255.255.255.0", 2, 101)); |
| 732 | } |
| 733 | return routerNextHopIps; |
| 734 | } |
| 735 | |
| 736 | // known host mac-addr, setDA/send out of l3group |
| 737 | private List<RouteEntry> getHostNextHopIps() { |
| 738 | List<RouteEntry> hostNextHopIps = new ArrayList<RouteEntry>(); |
| 739 | if (getId() == 0x1) { |
| 740 | hostNextHopIps.add(new RouteEntry("10.0.2.1", 4, "00:00:00:00:02:01")); |
| 741 | hostNextHopIps.add(new RouteEntry("10.0.3.1", 5, "00:00:00:00:03:01")); |
| 742 | } |
| 743 | // TODO needed? |
| 744 | //if (getId() == 0x2) { |
| 745 | //} |
| 746 | if (getId() == 0x3) { |
| 747 | hostNextHopIps.add(new RouteEntry("7.7.7.7", 1, "00:00:07:07:07:07")); |
| 748 | } |
| 749 | return hostNextHopIps; |
| 750 | } |
| 751 | |
| 752 | private void populateIpTable() throws IOException { |
| 753 | populateMyIps(); |
| 754 | populateMySubnets(); |
| 755 | populateRoutes(); |
| 756 | populateHostRoutes(); |
| 757 | |
| 758 | // match for everything else to send to ACL table. Essentially |
| 759 | // the table miss flow entry |
| 760 | populateTableMissEntry(TABLE_IPV4_UNICAST, false, true, |
| 761 | true, TABLE_ACL); |
| 762 | } |
| 763 | |
| 764 | private void populateMyIps() throws IOException { |
| 765 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 766 | // first all my ip's as exact-matches |
| 767 | // write-action instruction to send to controller |
| 768 | List<String> myIps = getMyIps(); |
| 769 | for (int i = 0; i < myIps.size(); i++) { |
| 770 | OFOxmEthType ethTypeIp = factory.oxms() |
| 771 | .ethType(EthType.IPv4); |
| 772 | OFOxmIpv4DstMasked ipPrefix = factory.oxms() |
| 773 | .ipv4DstMasked(IPv4Address.of(myIps.get(i)), IPv4Address.NO_MASK); |
| 774 | OFOxmList oxmListSlash32 = OFOxmList.of(ethTypeIp, ipPrefix); |
| 775 | OFMatchV3 match = factory.buildMatchV3() |
| 776 | .setOxmList(oxmListSlash32).build(); |
| 777 | OFAction outc = factory.actions().buildOutput() |
| 778 | .setPort(OFPort.CONTROLLER).setMaxLen(OFPCML_NO_BUFFER) |
| 779 | .build(); |
| 780 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 781 | .setActions(Collections.singletonList(outc)).build(); |
| 782 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 783 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 784 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 785 | instructions.add(writeInstr); |
| 786 | instructions.add(gotoInstr); |
| 787 | OFMessage myIpEntry = factory.buildFlowAdd() |
| 788 | .setTableId(TableId.of(TABLE_IPV4_UNICAST)) |
| 789 | .setMatch(match) |
| 790 | .setInstructions(instructions) |
| 791 | .setPriority(MAX_PRIORITY) // highest priority for exact |
| 792 | // match |
| 793 | .setBufferId(OFBufferId.NO_BUFFER) |
| 794 | .setIdleTimeout(0) |
| 795 | .setHardTimeout(0) |
| 796 | .setXid(getNextTransactionId()) |
| 797 | .build(); |
| 798 | msglist.add(myIpEntry); |
| 799 | } |
| 800 | write(msglist); |
| 801 | log.debug("Adding {} my-ip-rules in sw {}", msglist.size(), getStringId()); |
| 802 | } |
| 803 | |
| 804 | private void populateMySubnets() throws IOException { |
| 805 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 806 | // next prefix-based subnet-IP's configured on my interfaces |
| 807 | // need to ARP for exact-IP, so write-action instruction to send to |
| 808 | // controller |
| 809 | // this has different mask and priority than earlier case |
| 810 | List<String> subnetIps = getMySubnetIps(); |
| 811 | for (int i = 0; i < subnetIps.size(); i++) { |
| 812 | OFOxmEthType ethTypeIp = factory.oxms() |
| 813 | .ethType(EthType.IPv4); |
| 814 | OFOxmIpv4DstMasked ipPrefix = factory.oxms().ipv4DstMasked( |
| 815 | IPv4Address.of(subnetIps.get(i)), |
| 816 | IPv4Address.of(0xffffff00)); // '/24' mask |
| 817 | OFOxmList oxmListSlash24 = OFOxmList.of(ethTypeIp, ipPrefix); |
| 818 | OFMatchV3 match = factory.buildMatchV3() |
| 819 | .setOxmList(oxmListSlash24).build(); |
| 820 | OFAction outc = factory.actions().buildOutput() |
| 821 | .setPort(OFPort.CONTROLLER).setMaxLen(OFPCML_NO_BUFFER) |
| 822 | .build(); |
| 823 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 824 | .setActions(Collections.singletonList(outc)).build(); |
| 825 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 826 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 827 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 828 | instructions.add(writeInstr); |
| 829 | instructions.add(gotoInstr); |
| 830 | OFMessage myIpEntry = factory.buildFlowAdd() |
| 831 | .setTableId(TableId.of(TABLE_IPV4_UNICAST)) |
| 832 | .setMatch(match) |
| 833 | .setInstructions(instructions) |
| 834 | .setPriority(SLASH_24_PRIORITY) |
| 835 | .setBufferId(OFBufferId.NO_BUFFER) |
| 836 | .setIdleTimeout(0) |
| 837 | .setHardTimeout(0) |
| 838 | .setXid(getNextTransactionId()) |
| 839 | .build(); |
| 840 | msglist.add(myIpEntry); |
| 841 | } |
| 842 | write(msglist); |
| 843 | log.debug("Adding {} subnet-ip-rules in sw {}", msglist.size(), getStringId()); |
| 844 | msglist.clear(); |
| 845 | } |
| 846 | |
| 847 | private void populateRoutes() throws IOException { |
| 848 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 849 | // addresses where I know the next-hop's mac-address because it is a |
| 850 | // router port - so I have an L3 interface to it (and an MPLS interface) |
| 851 | List<RouteEntry> routerNextHopIps = getRouterNextHopIps(); |
| 852 | for (int i = 0; i < routerNextHopIps.size(); i++) { |
| 853 | OFOxmEthType ethTypeIp = factory.oxms() |
| 854 | .ethType(EthType.IPv4); |
| 855 | OFOxmIpv4DstMasked ipPrefix = factory.oxms() |
| 856 | .ipv4DstMasked( |
| 857 | IPv4Address.of(routerNextHopIps.get(i).prefix), |
| 858 | IPv4Address.of(routerNextHopIps.get(i).mask) |
| 859 | ); |
| 860 | OFOxmList oxmListSlash32 = OFOxmList.of(ethTypeIp, ipPrefix); |
| 861 | OFMatchV3 match = factory.buildMatchV3() |
| 862 | .setOxmList(oxmListSlash32).build(); |
| 863 | OFAction outg = factory.actions().buildGroup() |
| 864 | .setGroup(OFGroup.of(0xa0000000 | // mpls group id |
| 865 | routerNextHopIps.get(i).nextHopPort)) |
| 866 | .build(); |
| 867 | // lots of actions before forwarding to mpls group, and |
| 868 | // unfortunately |
| 869 | // they need to be apply-actions |
| 870 | |
| 871 | OFAction pushlabel = factory.actions().pushMpls(EthType.MPLS_UNICAST); |
| 872 | OFOxmMplsLabel l = factory.oxms() |
| 873 | .mplsLabel(U32.of(routerNextHopIps.get(i).label)); |
| 874 | OFAction setlabelid = factory.actions().buildSetField() |
| 875 | .setField(l).build(); |
| 876 | OFAction copyTtlOut = factory.actions().copyTtlOut(); |
| 877 | // OFAction setBos = |
| 878 | // factory.actions().buildSetField().setField(bos).build(); |
| 879 | |
| 880 | /* |
| 881 | writeActions.add(pushlabel); // need to be apply actions so can be |
| 882 | writeActions.add(copyTtlOut); // matched in pseudo-table |
| 883 | //writeActions.add(setlabelid); // bad support in cpqd |
| 884 | //writeActions.add(setBos); no support in loxigen |
| 885 | */ |
| 886 | |
| 887 | List<OFAction> applyActions = new ArrayList<OFAction>(); |
| 888 | applyActions.add(pushlabel); |
| 889 | applyActions.add(copyTtlOut); |
| 890 | OFInstruction applyInstr = factory.instructions().buildApplyActions() |
| 891 | .setActions(applyActions).build(); |
| 892 | List<OFAction> writeActions = new ArrayList<OFAction>(); |
| 893 | writeActions.add(outg); // group will decr mpls-ttl, set mac-sa/da, |
| 894 | // vlan |
| 895 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 896 | .setActions(writeActions).build(); |
| 897 | |
| 898 | // necessary to match in pseudo-table to overcome cpqd 1.3 flaw |
| 899 | OFInstruction writeMeta = factory.instructions().buildWriteMetadata() |
| 900 | .setMetadata(U64.of(routerNextHopIps.get(i).label)) |
| 901 | .setMetadataMask(METADATA_MASK).build(); |
| 902 | /*OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 903 | .setTableId(TableId.of(TABLE_ACL)).build();*/ |
| 904 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 905 | .setTableId(TableId.of(TABLE_META)).build(); |
| 906 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 907 | instructions.add(applyInstr); |
| 908 | // instructions.add(writeInstr);// cannot write here - causes switch |
| 909 | // to crash |
| 910 | instructions.add(writeMeta); |
| 911 | instructions.add(gotoInstr); |
| 912 | |
| 913 | int priority = -1; |
| 914 | if (routerNextHopIps.get(i).mask.equals("255.255.255.255")) { |
| 915 | priority = MAX_PRIORITY; |
| 916 | } else { |
| 917 | priority = SLASH_24_PRIORITY; |
| 918 | } |
| 919 | OFMessage myIpEntry = factory.buildFlowAdd() |
| 920 | .setTableId(TableId.of(TABLE_IPV4_UNICAST)) |
| 921 | .setMatch(match) |
| 922 | .setInstructions(instructions) |
| 923 | .setPriority(priority) |
| 924 | .setBufferId(OFBufferId.NO_BUFFER) |
| 925 | .setIdleTimeout(0) |
| 926 | .setHardTimeout(0) |
| 927 | .setXid(getNextTransactionId()) |
| 928 | .build(); |
| 929 | msglist.add(myIpEntry); |
| 930 | |
| 931 | // need to also handle psuedo-table entries to match-metadata and |
| 932 | // set mpls |
| 933 | // label-id |
| 934 | OFOxmEthType ethTypeMpls = factory.oxms() |
| 935 | .ethType(EthType.MPLS_UNICAST); |
| 936 | OFOxmMetadataMasked meta = factory.oxms() |
| 937 | .metadataMasked( |
| 938 | OFMetadata.ofRaw(routerNextHopIps.get(i).label), |
| 939 | OFMetadata.NO_MASK); |
| 940 | OFOxmList oxmListMeta = OFOxmList.of(ethTypeMpls, meta); |
| 941 | OFMatchV3 matchMeta = factory.buildMatchV3() |
| 942 | .setOxmList(oxmListMeta).build(); |
| 943 | List<OFAction> writeActions2 = new ArrayList<OFAction>(); |
| 944 | writeActions2.add(setlabelid); |
| 945 | OFAction outg2 = factory.actions().buildGroup() |
| 946 | .setGroup(OFGroup.of(routerNextHopIps.get(i).nextHopPort | |
| 947 | (192 << VLAN_ID_OFFSET))) |
| 948 | .build(); |
| 949 | writeActions2.add(outg2); |
| 950 | OFInstruction writeInstr2 = factory.instructions().buildWriteActions() |
| 951 | .setActions(writeActions2).build(); |
| 952 | OFInstruction gotoInstr2 = factory.instructions().buildGotoTable() |
| 953 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 954 | List<OFInstruction> instructions2 = new ArrayList<OFInstruction>(); |
| 955 | // unfortunately have to apply this action too |
| 956 | OFInstruction applyInstr2 = factory.instructions().buildApplyActions() |
| 957 | .setActions(writeActions2).build(); |
| 958 | instructions2.add(applyInstr2); |
| 959 | // instructions2.add(writeInstr2); |
| 960 | // instructions2.add(gotoInstr2); |
| 961 | |
| 962 | /*OFMatchV3 match3 = factory.buildMatchV3() |
| 963 | .setOxmList(OFOxmList.of(meta)).build(); |
| 964 | OFInstruction clearInstruction = factory.instructions().clearActions(); |
| 965 | List<OFInstruction> instructions3 = new ArrayList<OFInstruction>(); |
| 966 | OFAction outc = factory.actions().buildOutput() |
| 967 | .setPort(OFPort.CONTROLLER).setMaxLen(OFPCML_NO_BUFFER) |
| 968 | .build(); |
| 969 | OFInstruction writec = factory.instructions() |
| 970 | .writeActions(Collections.singletonList(outc)); |
| 971 | instructions3.add(clearInstruction); |
| 972 | instructions3.add(writec); |
| 973 | instructions3.add(gotoInstr2); */ |
| 974 | OFMessage myMetaEntry = factory.buildFlowAdd() |
| 975 | .setTableId(TableId.of(TABLE_META)) |
| 976 | .setMatch(matchMeta) |
| 977 | .setInstructions(instructions2) |
| 978 | .setPriority(MAX_PRIORITY) |
| 979 | .setBufferId(OFBufferId.NO_BUFFER) |
| 980 | .setIdleTimeout(0) |
| 981 | .setHardTimeout(0) |
| 982 | .setXid(getNextTransactionId()) |
| 983 | .build(); |
| 984 | msglist.add(myMetaEntry); |
| 985 | |
| 986 | } |
| 987 | write(msglist); |
| 988 | log.debug("Adding {} next-hop-router-rules in sw {}", msglist.size(), |
| 989 | getStringId()); |
| 990 | |
| 991 | // add a table-miss entry to table 4 for debugging - leave it out |
| 992 | // unclear packet state - causes switch to crash |
| 993 | // populateTableMissEntry(TABLE_META, false, true, |
| 994 | // true, TABLE_ACL); |
| 995 | } |
| 996 | |
| 997 | private void populateHostRoutes() throws IOException { |
| 998 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 999 | // addresses where I know the next hop's mac-address and I can set the |
| 1000 | // destination mac in the match-instruction.write-action |
| 1001 | // either I sent out arp-request or I got an arp-request from this host |
| 1002 | List<RouteEntry> hostNextHopIps = getHostNextHopIps(); |
| 1003 | for (int i = 0; i < hostNextHopIps.size(); i++) { |
| 1004 | OFOxmEthType ethTypeIp = factory.oxms() |
| 1005 | .ethType(EthType.IPv4); |
| 1006 | OFOxmIpv4DstMasked ipPrefix = factory.oxms() |
| 1007 | .ipv4DstMasked( |
| 1008 | IPv4Address.of(hostNextHopIps.get(i).prefix), |
| 1009 | IPv4Address.NO_MASK); // host addr should be /32 |
| 1010 | OFOxmList oxmListSlash32 = OFOxmList.of(ethTypeIp, ipPrefix); |
| 1011 | OFMatchV3 match = factory.buildMatchV3() |
| 1012 | .setOxmList(oxmListSlash32).build(); |
| 1013 | OFAction setDmac = null, outg = null; |
| 1014 | OFOxmEthDst dmac = factory.oxms() |
| 1015 | .ethDst(MacAddress.of(hostNextHopIps.get(i).dstMac)); |
| 1016 | setDmac = factory.actions().buildSetField() |
| 1017 | .setField(dmac).build(); |
| 1018 | outg = factory.actions().buildGroup() |
| 1019 | .setGroup(OFGroup.of(0x20000000 | hostNextHopIps.get(i).nextHopPort)) // l3group |
| 1020 | // id |
| 1021 | .build(); |
| 1022 | List<OFAction> writeActions = new ArrayList<OFAction>(); |
| 1023 | writeActions.add(setDmac); |
| 1024 | writeActions.add(outg); |
| 1025 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 1026 | .setActions(writeActions).build(); |
| 1027 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 1028 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 1029 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 1030 | instructions.add(writeInstr); |
| 1031 | instructions.add(gotoInstr); |
| 1032 | OFMessage myIpEntry = factory.buildFlowAdd() |
| 1033 | .setTableId(TableId.of(TABLE_IPV4_UNICAST)) |
| 1034 | .setMatch(match) |
| 1035 | .setInstructions(instructions) |
| 1036 | .setPriority(MAX_PRIORITY) // highest priority for exact |
| 1037 | // match |
| 1038 | .setBufferId(OFBufferId.NO_BUFFER) |
| 1039 | .setIdleTimeout(0) |
| 1040 | .setHardTimeout(0) |
| 1041 | .setXid(getNextTransactionId()) |
| 1042 | .build(); |
| 1043 | msglist.add(myIpEntry); |
| 1044 | } |
| 1045 | write(msglist); |
| 1046 | log.debug("Adding {} next-hop-host-rules in sw {}", msglist.size(), getStringId()); |
| 1047 | } |
| 1048 | |
| 1049 | private static class MplsEntry { |
| 1050 | int labelid; |
| 1051 | int portnum; |
| 1052 | |
| 1053 | public MplsEntry(int labelid, int portnum) { |
| 1054 | this.labelid = labelid; |
| 1055 | this.portnum = portnum; |
| 1056 | } |
| 1057 | } |
| 1058 | |
| 1059 | private List<MplsEntry> getMplsEntries() { |
| 1060 | List<MplsEntry> myLabels = new ArrayList<MplsEntry>(); |
| 1061 | if (getId() == 0x1) { |
| 1062 | myLabels.add(new MplsEntry(101, OFPort.CONTROLLER.getPortNumber())); |
| 1063 | myLabels.add(new MplsEntry(103, 6)); |
| 1064 | } |
| 1065 | if (getId() == 0x2) { |
| 1066 | myLabels.add(new MplsEntry(103, 2)); |
| 1067 | myLabels.add(new MplsEntry(102, OFPort.CONTROLLER.getPortNumber())); |
| 1068 | myLabels.add(new MplsEntry(101, 1)); |
| 1069 | } |
| 1070 | if (getId() == 0x3) { |
| 1071 | myLabels.add(new MplsEntry(103, OFPort.CONTROLLER.getPortNumber())); |
| 1072 | myLabels.add(new MplsEntry(101, 2)); |
| 1073 | } |
| 1074 | return myLabels; |
| 1075 | } |
| 1076 | |
| 1077 | private void populateMplsTable() throws IOException { |
| 1078 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 1079 | List<MplsEntry> lfibEntries = getMplsEntries(); |
| 1080 | for (int i = 0; i < lfibEntries.size(); i++) { |
| 1081 | OFOxmEthType ethTypeMpls = factory.oxms() |
| 1082 | .ethType(EthType.MPLS_UNICAST); |
| 1083 | OFOxmMplsLabel labelid = factory.oxms() |
| 1084 | .mplsLabel(U32.of(lfibEntries.get(i).labelid)); |
| 1085 | OFOxmList oxmList = OFOxmList.of(ethTypeMpls, labelid); |
| 1086 | OFMatchV3 matchlabel = factory.buildMatchV3() |
| 1087 | .setOxmList(oxmList).build(); |
| 1088 | OFAction poplabel = factory.actions().popMpls(EthType.IPv4); |
| 1089 | OFAction sendTo = null; |
| 1090 | if (lfibEntries.get(i).portnum == OFPort.CONTROLLER.getPortNumber()) { |
| 1091 | sendTo = factory.actions().output(OFPort.CONTROLLER, |
| 1092 | OFPCML_NO_BUFFER); |
| 1093 | } else { |
| 1094 | sendTo = factory.actions().group(OFGroup.of( |
| 1095 | 0xa0000000 | lfibEntries.get(i).portnum)); |
| 1096 | } |
| 1097 | List<OFAction> writeActions = new ArrayList<OFAction>(); |
| 1098 | writeActions.add(poplabel); |
| 1099 | writeActions.add(sendTo); |
| 1100 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 1101 | .setActions(writeActions).build(); |
| 1102 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 1103 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 1104 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 1105 | instructions.add(writeInstr); |
| 1106 | instructions.add(gotoInstr); |
| 1107 | OFMessage myMplsEntry = factory.buildFlowAdd() |
| 1108 | .setTableId(TableId.of(TABLE_MPLS)) |
| 1109 | .setMatch(matchlabel) |
| 1110 | .setInstructions(instructions) |
| 1111 | .setPriority(MAX_PRIORITY) // exact match and exclusive |
| 1112 | .setBufferId(OFBufferId.NO_BUFFER) |
| 1113 | .setIdleTimeout(0) |
| 1114 | .setHardTimeout(0) |
| 1115 | .setXid(getNextTransactionId()) |
| 1116 | .build(); |
| 1117 | msglist.add(myMplsEntry); |
| 1118 | } |
| 1119 | write(msglist); |
| 1120 | log.debug("Adding {} mpls-forwarding-rules in sw {}", msglist.size(), |
| 1121 | getStringId()); |
| 1122 | |
| 1123 | // match for everything else to send to ACL table. Essentially |
| 1124 | // the table miss flow entry |
| 1125 | populateTableMissEntry(TABLE_MPLS, false, true, |
| 1126 | true, TABLE_ACL); |
| 1127 | |
| 1128 | } |
| 1129 | |
| 1130 | /** |
| 1131 | * By default if none of the booleans in the call are set, then the |
| 1132 | * table-miss entry is added with no instructions, which means that pipeline |
| 1133 | * execution will stop, and the action set associated with the packet will |
| 1134 | * be executed. |
| 1135 | * |
| 1136 | * @param tableToAdd |
| 1137 | * @param toControllerNow as an APPLY_ACTION instruction |
| 1138 | * @param toControllerWrite as a WRITE_ACITION instruction |
| 1139 | * @param toTable as a GOTO_TABLE instruction |
| 1140 | * @param tableToSend |
| 1141 | * @throws IOException |
| 1142 | */ |
| 1143 | @SuppressWarnings("unchecked") |
| 1144 | private void populateTableMissEntry(int tableToAdd, boolean toControllerNow, |
| 1145 | boolean toControllerWrite, |
| 1146 | boolean toTable, int tableToSend) throws IOException { |
| 1147 | OFOxmList oxmList = OFOxmList.EMPTY; |
| 1148 | OFMatchV3 match = factory.buildMatchV3() |
| 1149 | .setOxmList(oxmList) |
| 1150 | .build(); |
| 1151 | OFAction outc = factory.actions() |
| 1152 | .buildOutput() |
| 1153 | .setPort(OFPort.CONTROLLER) |
| 1154 | .setMaxLen(OFPCML_NO_BUFFER) |
| 1155 | .build(); |
| 1156 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 1157 | if (toControllerNow) { |
| 1158 | // table-miss instruction to send to controller immediately |
| 1159 | OFInstruction instr = factory.instructions() |
| 1160 | .buildApplyActions() |
| 1161 | .setActions(Collections.singletonList(outc)) |
| 1162 | .build(); |
| 1163 | instructions.add(instr); |
| 1164 | } |
| 1165 | |
| 1166 | if (toControllerWrite) { |
| 1167 | // table-miss instruction to write-action to send to controller |
| 1168 | // this will be executed whenever the action-set gets executed |
| 1169 | OFInstruction instr = factory.instructions() |
| 1170 | .buildWriteActions() |
| 1171 | .setActions(Collections.singletonList(outc)) |
| 1172 | .build(); |
| 1173 | instructions.add(instr); |
| 1174 | } |
| 1175 | |
| 1176 | if (toTable) { |
| 1177 | // table-miss instruction to goto-table x |
| 1178 | OFInstruction instr = factory.instructions() |
| 1179 | .gotoTable(TableId.of(tableToSend)); |
| 1180 | instructions.add(instr); |
| 1181 | } |
| 1182 | |
| 1183 | if (!toControllerNow && !toControllerWrite && !toTable) { |
| 1184 | // table-miss has no instruction - at which point action-set will be |
| 1185 | // executed - if there is an action to output/group in the action |
| 1186 | // set |
| 1187 | // the packet will be sent there, otherwise it will be dropped. |
| 1188 | instructions = (List<OFInstruction>) Collections.EMPTY_LIST; |
| 1189 | } |
| 1190 | |
| 1191 | OFMessage tableMissEntry = factory.buildFlowAdd() |
| 1192 | .setTableId(TableId.of(tableToAdd)) |
| 1193 | .setMatch(match) // match everything |
| 1194 | .setInstructions(instructions) |
| 1195 | .setPriority(MIN_PRIORITY) |
| 1196 | .setBufferId(OFBufferId.NO_BUFFER) |
| 1197 | .setIdleTimeout(0) |
| 1198 | .setHardTimeout(0) |
| 1199 | .setXid(getNextTransactionId()) |
| 1200 | .build(); |
| 1201 | write(tableMissEntry, null); |
| 1202 | } |
| 1203 | |
| 1204 | private void sendBarrier(boolean finalBarrier) throws IOException { |
| 1205 | int xid = getNextTransactionId(); |
| 1206 | if (finalBarrier) { |
| 1207 | barrierXidToWaitFor = xid; |
| 1208 | } |
| 1209 | OFBarrierRequest br = factory |
| 1210 | .buildBarrierRequest() |
| 1211 | .setXid(xid) |
| 1212 | .build(); |
| 1213 | write(br, null); |
| 1214 | } |
| 1215 | |
| 1216 | } |