sangho | 11c30ac | 2015-01-22 14:30:55 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.openflow.drivers; |
| 17 | |
| 18 | import org.onosproject.openflow.controller.Dpid; |
sangho | 87af811 | 2015-01-29 12:53:08 -0800 | [diff] [blame] | 19 | import org.onosproject.openflow.controller.RoleState; |
sangho | 11c30ac | 2015-01-22 14:30:55 -0800 | [diff] [blame] | 20 | import org.onosproject.openflow.controller.driver.AbstractOpenFlowSwitch; |
sangho | 87af811 | 2015-01-29 12:53:08 -0800 | [diff] [blame] | 21 | import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeAlreadyStarted; |
| 22 | import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeCompleted; |
| 23 | import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeNotStarted; |
| 24 | import org.projectfloodlight.openflow.protocol.OFAsyncGetReply; |
| 25 | import org.projectfloodlight.openflow.protocol.OFBarrierRequest; |
| 26 | import org.projectfloodlight.openflow.protocol.OFErrorMsg; |
| 27 | import org.projectfloodlight.openflow.protocol.OFGroupDescStatsReply; |
| 28 | import org.projectfloodlight.openflow.protocol.OFGroupFeaturesStatsReply; |
| 29 | import org.projectfloodlight.openflow.protocol.OFMatchV3; |
| 30 | import org.projectfloodlight.openflow.protocol.OFOxmList; |
| 31 | import org.projectfloodlight.openflow.protocol.OFPortDesc; |
| 32 | import org.projectfloodlight.openflow.protocol.OFStatsReply; |
| 33 | import org.projectfloodlight.openflow.protocol.OFFlowMod; |
| 34 | import org.projectfloodlight.openflow.protocol.OFDescStatsReply; |
| 35 | import org.projectfloodlight.openflow.protocol.OFFactory; |
sangho | 11c30ac | 2015-01-22 14:30:55 -0800 | [diff] [blame] | 36 | import org.projectfloodlight.openflow.protocol.OFMessage; |
sangho | 87af811 | 2015-01-29 12:53:08 -0800 | [diff] [blame] | 37 | import org.projectfloodlight.openflow.protocol.OFType; |
| 38 | import org.projectfloodlight.openflow.protocol.action.OFAction; |
| 39 | import org.projectfloodlight.openflow.protocol.instruction.OFInstruction; |
| 40 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmEthType; |
| 41 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmInPort; |
| 42 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmVlanVid; |
| 43 | import org.projectfloodlight.openflow.types.EthType; |
| 44 | import org.projectfloodlight.openflow.types.MacAddress; |
| 45 | import org.projectfloodlight.openflow.types.OFBufferId; |
| 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.util.HexString; |
sangho | 11c30ac | 2015-01-22 14:30:55 -0800 | [diff] [blame] | 51 | |
sangho | 87af811 | 2015-01-29 12:53:08 -0800 | [diff] [blame] | 52 | import java.io.IOException; |
| 53 | import java.util.ArrayList; |
| 54 | import java.util.Collections; |
sangho | 11c30ac | 2015-01-22 14:30:55 -0800 | [diff] [blame] | 55 | import java.util.List; |
sangho | 87af811 | 2015-01-29 12:53:08 -0800 | [diff] [blame] | 56 | import java.util.concurrent.atomic.AtomicBoolean; |
sangho | 11c30ac | 2015-01-22 14:30:55 -0800 | [diff] [blame] | 57 | |
sangho | 11c30ac | 2015-01-22 14:30:55 -0800 | [diff] [blame] | 58 | public class OFSwitchImplSpringOpenTTP extends AbstractOpenFlowSwitch { |
| 59 | |
sangho | 87af811 | 2015-01-29 12:53:08 -0800 | [diff] [blame] | 60 | private OFFactory factory; |
| 61 | |
| 62 | private final AtomicBoolean driverHandshakeComplete; |
| 63 | private AtomicBoolean haltStateMachine; |
| 64 | |
| 65 | private DriverState driverState; |
| 66 | |
| 67 | /* Default table ID - compatible with CpqD switch */ |
| 68 | private static final int TABLE_VLAN = 0; |
| 69 | private static final int TABLE_TMAC = 1; |
| 70 | private static final int TABLE_IPV4_UNICAST = 2; |
| 71 | private static final int TABLE_MPLS = 3; |
| 72 | private static final int TABLE_ACL = 5; |
| 73 | |
| 74 | private static final long TEST_FLOW_REMOVED_MASK = 0xf; |
| 75 | private static final long TEST_PACKET_IN_MASK = 0x7; |
| 76 | private static final long TEST_PORT_STATUS_MASK = 0x7; |
| 77 | |
| 78 | private static final int OFPCML_NO_BUFFER = 0xffff; |
| 79 | |
| 80 | private long barrierXidToWaitFor = -1; |
| 81 | |
| 82 | /* Set the default values. These variables will get |
| 83 | * overwritten based on the switch vendor type |
| 84 | */ |
| 85 | protected int vlanTableId = TABLE_VLAN; |
| 86 | protected int tmacTableId = TABLE_TMAC; |
| 87 | protected int ipv4UnicastTableId = TABLE_IPV4_UNICAST; |
| 88 | protected int mplsTableId = TABLE_MPLS; |
| 89 | protected int aclTableId = TABLE_ACL; |
| 90 | |
| 91 | /* priority values for OF message */ |
| 92 | private static final short MAX_PRIORITY = (short) 0xffff; |
| 93 | private static final short PRIORITY_MULTIPLIER = (short) 2046; |
| 94 | private static final short MIN_PRIORITY = 0x0; |
| 95 | |
| 96 | |
| 97 | protected OFSwitchImplSpringOpenTTP(Dpid dpid, OFDescStatsReply desc) { |
| 98 | super(dpid); |
| 99 | driverHandshakeComplete = new AtomicBoolean(false); |
| 100 | haltStateMachine = new AtomicBoolean(false); |
| 101 | driverState = DriverState.INIT; |
| 102 | setSwitchDescription(desc); |
sangho | 11c30ac | 2015-01-22 14:30:55 -0800 | [diff] [blame] | 103 | } |
| 104 | |
sangho | 11c30ac | 2015-01-22 14:30:55 -0800 | [diff] [blame] | 105 | |
| 106 | @Override |
sangho | 87af811 | 2015-01-29 12:53:08 -0800 | [diff] [blame] | 107 | public String toString() { |
| 108 | return "OFSwitchImplSpringOpenTTP [" + ((channel != null) |
| 109 | ? channel.getRemoteAddress() : "?") |
| 110 | + " DPID[" + ((this.getStringId() != null) ? |
| 111 | this.getStringId() : "?") + "]]"; |
sangho | 11c30ac | 2015-01-22 14:30:55 -0800 | [diff] [blame] | 112 | } |
| 113 | |
| 114 | @Override |
| 115 | public Boolean supportNxRole() { |
| 116 | return null; |
| 117 | } |
| 118 | |
| 119 | @Override |
| 120 | public void startDriverHandshake() { |
sangho | 87af811 | 2015-01-29 12:53:08 -0800 | [diff] [blame] | 121 | log.debug("Starting driver handshake for sw {}", getStringId()); |
| 122 | if (startDriverHandshakeCalled) { |
| 123 | throw new SwitchDriverSubHandshakeAlreadyStarted(); |
| 124 | } |
| 125 | startDriverHandshakeCalled = true; |
| 126 | factory = this.factory(); |
sangho | 11c30ac | 2015-01-22 14:30:55 -0800 | [diff] [blame] | 127 | |
sangho | 87af811 | 2015-01-29 12:53:08 -0800 | [diff] [blame] | 128 | try { |
| 129 | nextDriverState(); |
| 130 | } catch (IOException e) { |
| 131 | log.error("Error {} during driver handshake for sw {}", e.getCause(), |
| 132 | getStringId()); |
| 133 | } |
sangho | 11c30ac | 2015-01-22 14:30:55 -0800 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | @Override |
| 137 | public boolean isDriverHandshakeComplete() { |
sangho | 87af811 | 2015-01-29 12:53:08 -0800 | [diff] [blame] | 138 | if (!startDriverHandshakeCalled) { |
| 139 | throw new SwitchDriverSubHandshakeNotStarted(); |
| 140 | } |
| 141 | return driverHandshakeComplete.get(); |
sangho | 11c30ac | 2015-01-22 14:30:55 -0800 | [diff] [blame] | 142 | } |
| 143 | |
| 144 | @Override |
| 145 | public void processDriverHandshakeMessage(OFMessage m) { |
sangho | 87af811 | 2015-01-29 12:53:08 -0800 | [diff] [blame] | 146 | if (!startDriverHandshakeCalled) { |
| 147 | throw new SwitchDriverSubHandshakeNotStarted(); |
| 148 | } |
| 149 | if (driverHandshakeComplete.get()) { |
| 150 | throw new SwitchDriverSubHandshakeCompleted(m); |
| 151 | } |
| 152 | try { |
| 153 | processOFMessage(m); |
| 154 | } catch (IOException e) { |
| 155 | log.error("Error generated when processing OFMessage {}", e.getCause()); |
| 156 | } |
sangho | 11c30ac | 2015-01-22 14:30:55 -0800 | [diff] [blame] | 157 | } |
| 158 | |
sangho | 87af811 | 2015-01-29 12:53:08 -0800 | [diff] [blame] | 159 | @Override |
| 160 | public void write(OFMessage msg) { |
| 161 | this.channel.write(Collections.singletonList(msg)); |
| 162 | } |
| 163 | |
| 164 | @Override |
| 165 | public void write(List<OFMessage> msgs) { |
| 166 | this.channel.write(msgs); |
| 167 | } |
| 168 | |
| 169 | @Override |
| 170 | public void sendMsg(OFMessage m, TableType tableType) { |
| 171 | |
| 172 | if (m.getType() == OFType.FLOW_MOD) { |
| 173 | OFFlowMod flowMod = (OFFlowMod) m; |
| 174 | OFFlowMod.Builder builder = flowMod.createBuilder(); |
| 175 | builder.setTableId(getTableId(tableType)); |
| 176 | OFFlowMod newFlowMod = builder.build(); |
| 177 | if (role == RoleState.MASTER) { |
| 178 | this.write(newFlowMod); |
| 179 | } |
| 180 | } else { |
| 181 | if (role == RoleState.MASTER) { |
| 182 | this.write(m); |
| 183 | } |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | /* |
| 188 | * Driver handshake state machine |
| 189 | */ |
| 190 | |
| 191 | enum DriverState { |
| 192 | INIT, |
| 193 | SET_TABLE_MISS_ENTRIES, |
| 194 | SET_TABLE_VLAN_TMAC, |
| 195 | AUDIT_GROUPS, |
| 196 | SET_GROUPS, |
| 197 | VERIFY_GROUPS, |
| 198 | SET_ADJACENCY_LABELS, |
| 199 | EXIT |
| 200 | } |
| 201 | |
| 202 | protected void nextDriverState() throws IOException { |
| 203 | DriverState currentState = driverState; |
| 204 | if (haltStateMachine.get()) { |
| 205 | return; |
| 206 | } |
| 207 | switch (currentState) { |
| 208 | case INIT: |
| 209 | driverState = DriverState.SET_TABLE_MISS_ENTRIES; |
| 210 | setTableMissEntries(); |
| 211 | sendHandshakeBarrier(); |
| 212 | break; |
| 213 | case SET_TABLE_MISS_ENTRIES: |
| 214 | driverState = DriverState.SET_TABLE_VLAN_TMAC; |
| 215 | /* TODO: read network configuration |
| 216 | boolean isConfigured = getNetworkConfig(); |
| 217 | if (!isConfigured) { |
| 218 | return; // this will result in a handshake timeout |
| 219 | } |
| 220 | */ |
| 221 | populateTableVlan(); |
| 222 | populateTableTMac(); |
| 223 | sendHandshakeBarrier(); |
| 224 | break; |
| 225 | case SET_TABLE_VLAN_TMAC: |
| 226 | driverState = DriverState.EXIT; |
| 227 | driverHandshakeComplete.set(true); |
| 228 | log.debug("Driver handshake is complete"); |
| 229 | break; |
| 230 | case EXIT: |
| 231 | default: |
| 232 | driverState = DriverState.EXIT; |
| 233 | log.error("Driver handshake has exited for sw: {}", getStringId()); |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | private void processStatsReply(OFStatsReply sr) { |
| 238 | switch (sr.getStatsType()) { |
| 239 | case AGGREGATE: |
| 240 | break; |
| 241 | case DESC: |
| 242 | break; |
| 243 | case EXPERIMENTER: |
| 244 | break; |
| 245 | case FLOW: |
| 246 | break; |
| 247 | case GROUP_DESC: |
| 248 | processGroupDesc((OFGroupDescStatsReply) sr); |
| 249 | break; |
| 250 | case GROUP_FEATURES: |
| 251 | processGroupFeatures((OFGroupFeaturesStatsReply) sr); |
| 252 | break; |
| 253 | case METER_CONFIG: |
| 254 | break; |
| 255 | case METER_FEATURES: |
| 256 | break; |
| 257 | case PORT_DESC: |
| 258 | break; |
| 259 | case TABLE_FEATURES: |
| 260 | break; |
| 261 | default: |
| 262 | break; |
| 263 | |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | private void processOFMessage(OFMessage m) throws IOException { |
| 268 | switch (m.getType()) { |
| 269 | case BARRIER_REPLY: |
| 270 | processBarrierReply(m); |
| 271 | break; |
| 272 | |
| 273 | case ERROR: |
| 274 | processErrorMessage(m); |
| 275 | break; |
| 276 | |
| 277 | case GET_ASYNC_REPLY: |
| 278 | OFAsyncGetReply asrep = (OFAsyncGetReply) m; |
| 279 | decodeAsyncGetReply(asrep); |
| 280 | break; |
| 281 | |
| 282 | case PACKET_IN: |
| 283 | // not ready to handle packet-ins |
| 284 | break; |
| 285 | |
| 286 | case QUEUE_GET_CONFIG_REPLY: |
| 287 | // not doing queue config yet |
| 288 | break; |
| 289 | |
| 290 | case STATS_REPLY: |
| 291 | processStatsReply((OFStatsReply) m); |
| 292 | break; |
| 293 | |
| 294 | case ROLE_REPLY: // channelHandler should handle this |
| 295 | case PORT_STATUS: // channelHandler should handle this |
| 296 | case FEATURES_REPLY: // don't care |
| 297 | case FLOW_REMOVED: // don't care |
| 298 | default: |
| 299 | log.debug("Received message {} during switch-driver subhandshake " |
| 300 | + "from switch {} ... Ignoring message", m, getStringId()); |
| 301 | } |
| 302 | } |
| 303 | |
| 304 | private void processBarrierReply(OFMessage m) throws IOException { |
| 305 | if (m.getXid() == barrierXidToWaitFor) { |
| 306 | // Driver state-machine progresses to the next state. |
| 307 | // If Barrier messages is not received, then eventually |
| 308 | // the ChannelHandler state machine will timeout, and the switch |
| 309 | // will be disconnected. |
| 310 | nextDriverState(); |
| 311 | } else { |
| 312 | log.error("Received incorrect barrier-message xid {} (expected: {}) in " |
| 313 | + "switch-driver state {} for switch {}", m, barrierXidToWaitFor, |
| 314 | driverState, getStringId()); |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | private void processErrorMessage(OFMessage m) { |
| 319 | log.error("Switch {} Error {} in DriverState", getStringId(), |
| 320 | (OFErrorMsg) m, driverState); |
| 321 | } |
| 322 | |
| 323 | private void processGroupFeatures(OFGroupFeaturesStatsReply gfsr) { |
| 324 | log.info("Sw: {} Group Features {}", getStringId(), gfsr); |
| 325 | } |
| 326 | |
| 327 | private void processGroupDesc(OFGroupDescStatsReply gdsr) { |
| 328 | log.info("Sw: {} Group Desc {}", getStringId(), gdsr); |
| 329 | } |
| 330 | |
| 331 | /* |
| 332 | * Utility functions |
| 333 | */ |
| 334 | |
| 335 | private void decodeAsyncGetReply(OFAsyncGetReply rep) { |
| 336 | long frm = rep.getFlowRemovedMaskEqualMaster(); |
| 337 | //long frs = rep.getFlowRemovedMaskSlave(); |
| 338 | long pim = rep.getPacketInMaskEqualMaster(); |
| 339 | //long pis = rep.getPacketInMaskSlave(); |
| 340 | long psm = rep.getPortStatusMaskEqualMaster(); |
| 341 | //long pss = rep.getPortStatusMaskSlave(); |
| 342 | |
| 343 | if (role == RoleState.MASTER || role == RoleState.EQUAL) { // should separate |
| 344 | log.info("FRM:{}", HexString.toHexString((frm & TEST_FLOW_REMOVED_MASK))); |
| 345 | log.info("PIM:{}", HexString.toHexString((pim & TEST_PACKET_IN_MASK))); |
| 346 | log.info("PSM:{}", HexString.toHexString((psm & TEST_PORT_STATUS_MASK))); |
| 347 | } |
| 348 | } |
| 349 | |
| 350 | protected void setTableMissEntries() throws IOException { |
| 351 | // set all table-miss-entries |
| 352 | populateTableMissEntry(vlanTableId, true, false, false, -1); |
| 353 | populateTableMissEntry(tmacTableId, true, false, false, -1); |
| 354 | populateTableMissEntry(ipv4UnicastTableId, false, true, true, |
| 355 | aclTableId); |
| 356 | populateTableMissEntry(mplsTableId, false, true, true, |
| 357 | aclTableId); |
| 358 | populateTableMissEntry(aclTableId, false, false, false, -1); |
| 359 | log.debug("TableMissEntries are set"); |
| 360 | } |
| 361 | |
| 362 | /** |
| 363 | * Adds a table-miss-entry to a pipeline table. |
| 364 | * <p> |
| 365 | * The table-miss-entry can be added with 'write-actions' or |
| 366 | * 'apply-actions'. It can also add a 'goto-table' instruction. By default |
| 367 | * if none of the booleans in the call are set, then the table-miss entry is |
| 368 | * added with no instructions, which means that if a packet hits the |
| 369 | * table-miss-entry, pipeline execution will stop, and the action set |
| 370 | * associated with the packet will be executed. |
| 371 | * |
| 372 | * @param tableToAdd the table to where the table-miss-entry will be added |
| 373 | * @param toControllerNow as an APPLY_ACTION instruction |
| 374 | * @param toControllerWrite as a WRITE_ACTION instruction |
| 375 | * @param toTable as a GOTO_TABLE instruction |
| 376 | * @param tableToSend the table to send as per the GOTO_TABLE instruction it |
| 377 | * needs to be set if 'toTable' is true. Ignored of 'toTable' is |
| 378 | * false. |
sangho | 87af811 | 2015-01-29 12:53:08 -0800 | [diff] [blame] | 379 | */ |
| 380 | protected void populateTableMissEntry(int tableToAdd, boolean toControllerNow, |
| 381 | boolean toControllerWrite, |
Ray Milkey | 51365f3 | 2015-02-04 11:24:22 -0800 | [diff] [blame] | 382 | boolean toTable, int tableToSend) { |
sangho | 87af811 | 2015-01-29 12:53:08 -0800 | [diff] [blame] | 383 | OFOxmList oxmList = OFOxmList.EMPTY; |
| 384 | OFMatchV3 match = factory.buildMatchV3() |
| 385 | .setOxmList(oxmList) |
| 386 | .build(); |
| 387 | OFAction outc = factory.actions() |
| 388 | .buildOutput() |
| 389 | .setPort(OFPort.CONTROLLER) |
| 390 | .setMaxLen(OFPCML_NO_BUFFER) |
| 391 | .build(); |
| 392 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 393 | if (toControllerNow) { |
| 394 | // table-miss instruction to send to controller immediately |
| 395 | OFInstruction instr = factory.instructions() |
| 396 | .buildApplyActions() |
| 397 | .setActions(Collections.singletonList(outc)) |
| 398 | .build(); |
| 399 | instructions.add(instr); |
| 400 | } |
| 401 | |
| 402 | if (toControllerWrite) { |
| 403 | // table-miss instruction to write-action to send to controller |
| 404 | // this will be executed whenever the action-set gets executed |
| 405 | OFInstruction instr = factory.instructions() |
| 406 | .buildWriteActions() |
| 407 | .setActions(Collections.singletonList(outc)) |
| 408 | .build(); |
| 409 | instructions.add(instr); |
| 410 | } |
| 411 | |
| 412 | if (toTable) { |
| 413 | // table-miss instruction to goto-table x |
| 414 | OFInstruction instr = factory.instructions() |
| 415 | .gotoTable(TableId.of(tableToSend)); |
| 416 | instructions.add(instr); |
| 417 | } |
| 418 | |
| 419 | if (!toControllerNow && !toControllerWrite && !toTable) { |
| 420 | // table-miss has no instruction - at which point action-set will be |
| 421 | // executed - if there is an action to output/group in the action |
| 422 | // set |
| 423 | // the packet will be sent there, otherwise it will be dropped. |
| 424 | instructions = (List<OFInstruction>) Collections.EMPTY_LIST; |
| 425 | } |
| 426 | |
| 427 | OFMessage tableMissEntry = factory.buildFlowAdd() |
| 428 | .setTableId(TableId.of(tableToAdd)) |
| 429 | .setMatch(match) // match everything |
| 430 | .setInstructions(instructions) |
| 431 | .setPriority(MIN_PRIORITY) |
| 432 | .setBufferId(OFBufferId.NO_BUFFER) |
| 433 | .setIdleTimeout(0) |
| 434 | .setHardTimeout(0) |
| 435 | .setXid(getNextTransactionId()) |
| 436 | .build(); |
| 437 | write(tableMissEntry); |
| 438 | } |
| 439 | |
| 440 | private void populateTableVlan() throws IOException { |
| 441 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 442 | for (OFPortDesc p : getPorts()) { |
| 443 | int pnum = p.getPortNo().getPortNumber(); |
| 444 | if (U32.of(pnum).compareTo(U32.of(OFPort.MAX.getPortNumber())) < 1) { |
| 445 | OFOxmInPort oxp = factory.oxms().inPort(p.getPortNo()); |
| 446 | OFOxmVlanVid oxv = factory.oxms() |
| 447 | .vlanVid(OFVlanVidMatch.UNTAGGED); |
| 448 | OFOxmList oxmList = OFOxmList.of(oxp, oxv); |
| 449 | OFMatchV3 match = factory.buildMatchV3() |
| 450 | .setOxmList(oxmList).build(); |
| 451 | |
| 452 | // TODO: match on vlan-tagged packets for vlans configured on |
| 453 | // subnet ports and strip-vlan |
| 454 | |
| 455 | OFInstruction gotoTbl = factory.instructions().buildGotoTable() |
| 456 | .setTableId(TableId.of(tmacTableId)).build(); |
| 457 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 458 | instructions.add(gotoTbl); |
| 459 | OFMessage flowEntry = factory.buildFlowAdd() |
| 460 | .setTableId(TableId.of(vlanTableId)) |
| 461 | .setMatch(match) |
| 462 | .setInstructions(instructions) |
| 463 | .setPriority(1000) // does not matter - all rules |
| 464 | // exclusive |
| 465 | .setBufferId(OFBufferId.NO_BUFFER) |
| 466 | .setIdleTimeout(0) |
| 467 | .setHardTimeout(0) |
| 468 | .setXid(getNextTransactionId()) |
| 469 | .build(); |
| 470 | msglist.add(flowEntry); |
| 471 | } |
| 472 | } |
| 473 | write(msglist); |
| 474 | log.debug("Adding {} port/vlan-rules in sw {}", msglist.size(), getStringId()); |
| 475 | } |
| 476 | |
| 477 | private void populateTableTMac() throws IOException { |
| 478 | // match for router-mac and ip-packets |
| 479 | OFOxmEthType oxe = factory.oxms().ethType(EthType.IPv4); |
| 480 | |
| 481 | /* TODO: need to read network config and need to allow only |
| 482 | the packets with DMAC as the correspondent router MAC address |
| 483 | Until network configuration is implemented, all packets are allowed |
| 484 | |
| 485 | OFOxmEthDst dmac = factory.oxms().ethDst(getRouterMacAddr()); |
| 486 | OFOxmList oxmListIp = OFOxmList.of(dmac, oxe); |
| 487 | OFMatchV3 matchIp = factory.buildMatchV3() |
| 488 | .setOxmList(oxmListIp).build(); |
| 489 | */ |
| 490 | OFOxmList oxmList = OFOxmList.EMPTY; |
| 491 | OFMatchV3 matchIp = factory.buildMatchV3() |
| 492 | .setOxmList(oxmList) |
| 493 | .build(); |
| 494 | |
| 495 | OFInstruction gotoTblIp = factory.instructions().buildGotoTable() |
| 496 | .setTableId(TableId.of(ipv4UnicastTableId)).build(); |
| 497 | List<OFInstruction> instructionsIp = Collections.singletonList(gotoTblIp); |
| 498 | OFMessage ipEntry = factory.buildFlowAdd() |
| 499 | .setTableId(TableId.of(tmacTableId)) |
| 500 | .setMatch(matchIp) |
| 501 | .setInstructions(instructionsIp) |
| 502 | .setPriority(1000) // strict priority required lower than |
| 503 | // multicastMac |
| 504 | .setBufferId(OFBufferId.NO_BUFFER) |
| 505 | .setIdleTimeout(0) |
| 506 | .setHardTimeout(0) |
| 507 | .setXid(getNextTransactionId()) |
| 508 | .build(); |
| 509 | |
| 510 | // match for router-mac and mpls packets |
| 511 | OFOxmEthType oxmpls = factory.oxms().ethType(EthType.MPLS_UNICAST); |
| 512 | /* TODO: need to read network config and need to allow only |
| 513 | the packets with DMAC as the correspondent router MAC address |
| 514 | OFOxmList oxmListMpls = OFOxmList.of(dmac, oxmpls); |
| 515 | OFMatchV3 matchMpls = factory.buildMatchV3() |
| 516 | .setOxmList(oxmListMpls).build(); |
| 517 | */ |
| 518 | OFOxmList oxmListMpls = OFOxmList.EMPTY; |
| 519 | OFMatchV3 matchMpls = factory.buildMatchV3() |
| 520 | .setOxmList(oxmList) |
| 521 | .build(); |
| 522 | |
| 523 | OFInstruction gotoTblMpls = factory.instructions().buildGotoTable() |
| 524 | .setTableId(TableId.of(mplsTableId)).build(); |
| 525 | List<OFInstruction> instructionsMpls = Collections.singletonList(gotoTblMpls); |
| 526 | OFMessage mplsEntry = factory.buildFlowAdd() |
| 527 | .setTableId(TableId.of(tmacTableId)) |
| 528 | .setMatch(matchMpls) |
| 529 | .setInstructions(instructionsMpls) |
| 530 | .setPriority(1001) // strict priority required lower than |
| 531 | // multicastMac |
| 532 | .setBufferId(OFBufferId.NO_BUFFER) |
| 533 | .setIdleTimeout(0) |
| 534 | .setHardTimeout(0) |
| 535 | .setXid(getNextTransactionId()) |
| 536 | .build(); |
| 537 | |
| 538 | log.debug("Adding termination-mac-rules in sw {}", getStringId()); |
| 539 | List<OFMessage> msglist = new ArrayList<OFMessage>(2); |
| 540 | msglist.add(ipEntry); |
| 541 | msglist.add(mplsEntry); |
| 542 | write(msglist); |
| 543 | } |
| 544 | |
| 545 | private MacAddress getRouterMacAddr() { |
| 546 | // TODO: need to read network config : RouterIp |
| 547 | return MacAddress.of("00:00:00:00:00:00"); |
| 548 | } |
| 549 | |
| 550 | private TableId getTableId(TableType tableType) { |
| 551 | switch (tableType) { |
| 552 | case IP: |
| 553 | return TableId.of(ipv4UnicastTableId); |
| 554 | case MPLS: |
| 555 | return TableId.of(mplsTableId); |
| 556 | case ACL: |
| 557 | return TableId.of(aclTableId); |
| 558 | default: { |
| 559 | log.error("Table type {} is not supported in the driver", tableType); |
| 560 | return TableId.NONE; |
| 561 | } |
| 562 | } |
| 563 | } |
| 564 | |
| 565 | private void sendHandshakeBarrier() throws IOException { |
| 566 | long xid = getNextTransactionId(); |
| 567 | barrierXidToWaitFor = xid; |
| 568 | OFBarrierRequest br = factory() |
| 569 | .buildBarrierRequest() |
| 570 | .setXid(xid) |
| 571 | .build(); |
| 572 | write(br); |
| 573 | } |
Ray Milkey | 51365f3 | 2015-02-04 11:24:22 -0800 | [diff] [blame] | 574 | } |