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; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 37 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmMplsLabel; |
| 38 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmVlanVid; |
| 39 | import org.projectfloodlight.openflow.types.EthType; |
| 40 | import org.projectfloodlight.openflow.types.IPv4Address; |
| 41 | import org.projectfloodlight.openflow.types.MacAddress; |
| 42 | import org.projectfloodlight.openflow.types.OFBufferId; |
| 43 | import org.projectfloodlight.openflow.types.OFGroup; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 44 | import org.projectfloodlight.openflow.types.OFPort; |
| 45 | import org.projectfloodlight.openflow.types.OFVlanVidMatch; |
| 46 | import org.projectfloodlight.openflow.types.TableId; |
| 47 | import org.projectfloodlight.openflow.types.U32; |
| 48 | import org.projectfloodlight.openflow.types.U64; |
| 49 | import org.projectfloodlight.openflow.util.HexString; |
| 50 | |
| 51 | /** |
| 52 | * OFDescriptionStatistics Vendor (Manufacturer Desc.): Stanford University, |
| 53 | * Ericsson Research and CPqD Research. Make (Hardware Desc.) : OpenFlow 1.3 |
| 54 | * Reference Userspace Switch Model (Datapath Desc.) : None Software : Serial : |
| 55 | * None |
| 56 | */ |
| 57 | public class OFSwitchImplCPqD13 extends OFSwitchImplBase { |
| 58 | private static final int VLAN_ID_OFFSET = 16; |
| 59 | private AtomicBoolean driverHandshakeComplete; |
| 60 | private OFFactory factory; |
| 61 | private static final int OFPCML_NO_BUFFER = 0xffff; |
| 62 | // Configuration of asynch messages to controller. We need different |
| 63 | // asynch messages depending on role-equal or role-master. |
| 64 | // We don't want to get anything if we are slave. |
| 65 | private static final long SET_FLOW_REMOVED_MASK_MASTER = 0xf; |
| 66 | private static final long SET_PACKET_IN_MASK_MASTER = 0x7; |
| 67 | private static final long SET_PORT_STATUS_MASK_MASTER = 0x7; |
| 68 | private static final long SET_FLOW_REMOVED_MASK_EQUAL = 0x0; |
| 69 | private static final long SET_PACKET_IN_MASK_EQUAL = 0x0; |
| 70 | private static final long SET_PORT_STATUS_MASK_EQUAL = 0x7; |
| 71 | private static final long SET_ALL_SLAVE = 0x0; |
| 72 | |
| 73 | private static final long TEST_FLOW_REMOVED_MASK = 0xf; |
| 74 | private static final long TEST_PACKET_IN_MASK = 0x7; |
| 75 | private static final long TEST_PORT_STATUS_MASK = 0x7; |
| 76 | private long barrierXidToWaitFor = -1; |
| 77 | |
| 78 | private static final int TABLE_VLAN = 0; |
| 79 | private static final int TABLE_TMAC = 1; |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 80 | private static final int TABLE_IPv4_UNICAST = 2; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 81 | private static final int TABLE_MPLS = 3; |
| 82 | private static final int TABLE_META = 4; |
| 83 | private static final int TABLE_ACL = 5; |
| 84 | |
| 85 | private static final short MAX_PRIORITY = (short) 0xffff; |
| 86 | private static final short SLASH_24_PRIORITY = (short) 0xfff0; |
| 87 | private static final short SLASH_16_PRIORITY = (short) 0xff00; |
| 88 | private static final short SLASH_8_PRIORITY = (short) 0xf000; |
| 89 | private static final short MIN_PRIORITY = 0x0; |
| 90 | private static final U64 METADATA_MASK = U64.of(Long.MAX_VALUE << 1 | 0x1); |
| 91 | |
| 92 | ConcurrentHashMap<Integer, OFGroup> l2groups; |
| 93 | |
Jonathan Hart | cb34f38 | 2014-08-12 21:11:03 -0700 | [diff] [blame] | 94 | private final boolean usePipeline13; |
| 95 | |
| 96 | public OFSwitchImplCPqD13(OFDescStatsReply desc, boolean usePipeline13) { |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 97 | super(); |
| 98 | driverHandshakeComplete = new AtomicBoolean(false); |
| 99 | l2groups = new ConcurrentHashMap<Integer, OFGroup>(); |
| 100 | setSwitchDescription(desc); |
| 101 | |
Jonathan Hart | cb34f38 | 2014-08-12 21:11:03 -0700 | [diff] [blame] | 102 | this.usePipeline13 = usePipeline13; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 103 | } |
| 104 | |
| 105 | /* (non-Javadoc) |
| 106 | * @see java.lang.Object#toString() |
| 107 | */ |
| 108 | @Override |
| 109 | public String toString() { |
| 110 | return "OFSwitchImplCPqD13 [" + ((channel != null) |
| 111 | ? channel.getRemoteAddress() : "?") |
| 112 | + " DPID[" + ((stringId != null) ? stringId : "?") + "]]"; |
| 113 | } |
| 114 | |
| 115 | @Override |
| 116 | public void startDriverHandshake() throws IOException { |
| 117 | log.debug("Starting driver handshake for sw {}", getStringId()); |
| 118 | if (startDriverHandshakeCalled) { |
| 119 | throw new SwitchDriverSubHandshakeAlreadyStarted(); |
| 120 | } |
| 121 | startDriverHandshakeCalled = true; |
Jonathan Hart | a213bce | 2014-08-11 15:44:07 -0700 | [diff] [blame] | 122 | factory = getFactory(); |
Jonathan Hart | cb34f38 | 2014-08-12 21:11:03 -0700 | [diff] [blame] | 123 | if (!usePipeline13) { |
| 124 | // Send packet-in to controller if a packet misses the first table |
| 125 | populateTableMissEntry(0, true, false, false, 0); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 126 | } else { |
| 127 | configureSwitch(); |
| 128 | } |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 129 | sendBarrier(true); |
| 130 | } |
| 131 | |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 132 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 133 | @Override |
| 134 | public boolean isDriverHandshakeComplete() { |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 135 | if (!startDriverHandshakeCalled) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 136 | throw new SwitchDriverSubHandshakeNotStarted(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 137 | return driverHandshakeComplete.get(); |
| 138 | } |
| 139 | |
| 140 | @Override |
| 141 | public void processDriverHandshakeMessage(OFMessage m) { |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 142 | if (!startDriverHandshakeCalled) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 143 | throw new SwitchDriverSubHandshakeNotStarted(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 144 | if (driverHandshakeComplete.get()) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 145 | throw new SwitchDriverSubHandshakeCompleted(m); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 146 | |
| 147 | switch (m.getType()) { |
| 148 | case BARRIER_REPLY: |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 149 | if (m.getXid() == barrierXidToWaitFor) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 150 | driverHandshakeComplete.set(true); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 151 | break; |
| 152 | |
| 153 | case ERROR: |
| 154 | log.error("Switch {} Error {}", getStringId(), (OFErrorMsg) m); |
| 155 | break; |
| 156 | |
| 157 | case FEATURES_REPLY: |
| 158 | break; |
| 159 | case FLOW_REMOVED: |
| 160 | break; |
| 161 | case GET_ASYNC_REPLY: |
| 162 | OFAsyncGetReply asrep = (OFAsyncGetReply) m; |
| 163 | decodeAsyncGetReply(asrep); |
| 164 | break; |
| 165 | |
| 166 | case PACKET_IN: |
| 167 | break; |
| 168 | case PORT_STATUS: |
| 169 | break; |
| 170 | case QUEUE_GET_CONFIG_REPLY: |
| 171 | break; |
| 172 | case ROLE_REPLY: |
| 173 | break; |
| 174 | |
| 175 | case STATS_REPLY: |
| 176 | processStatsReply((OFStatsReply) m); |
| 177 | break; |
| 178 | |
| 179 | default: |
| 180 | log.debug("Received message {} during switch-driver subhandshake " |
| 181 | + "from switch {} ... Ignoring message", m, getStringId()); |
| 182 | |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | private void configureSwitch() throws IOException { |
| 187 | // setAsyncConfig(); |
| 188 | // getTableFeatures(); |
| 189 | sendGroupFeaturesRequest(); |
| 190 | setL2Groups(); |
| 191 | sendBarrier(false); |
| 192 | setL3Groups(); |
| 193 | setL25Groups(); |
| 194 | sendGroupDescRequest(); |
| 195 | populateTableVlan(); |
| 196 | populateTableTMac(); |
| 197 | populateIpTable(); |
| 198 | populateMplsTable(); |
| 199 | populateTableMissEntry(TABLE_ACL, false, false, false, -1); |
| 200 | sendBarrier(true); |
| 201 | } |
| 202 | |
| 203 | private void setAsyncConfig() throws IOException { |
| 204 | List<OFMessage> msglist = new ArrayList<OFMessage>(3); |
| 205 | OFMessage setAC = null; |
| 206 | |
| 207 | if (role == Role.MASTER) { |
| 208 | setAC = factory.buildAsyncSet() |
| 209 | .setFlowRemovedMaskEqualMaster(SET_FLOW_REMOVED_MASK_MASTER) |
| 210 | .setPacketInMaskEqualMaster(SET_PACKET_IN_MASK_MASTER) |
| 211 | .setPortStatusMaskEqualMaster(SET_PORT_STATUS_MASK_MASTER) |
| 212 | .setFlowRemovedMaskSlave(SET_ALL_SLAVE) |
| 213 | .setPacketInMaskSlave(SET_ALL_SLAVE) |
| 214 | .setPortStatusMaskSlave(SET_ALL_SLAVE) |
| 215 | .setXid(getNextTransactionId()) |
| 216 | .build(); |
| 217 | } else if (role == Role.EQUAL) { |
| 218 | setAC = factory.buildAsyncSet() |
| 219 | .setFlowRemovedMaskEqualMaster(SET_FLOW_REMOVED_MASK_EQUAL) |
| 220 | .setPacketInMaskEqualMaster(SET_PACKET_IN_MASK_EQUAL) |
| 221 | .setPortStatusMaskEqualMaster(SET_PORT_STATUS_MASK_EQUAL) |
| 222 | .setFlowRemovedMaskSlave(SET_ALL_SLAVE) |
| 223 | .setPacketInMaskSlave(SET_ALL_SLAVE) |
| 224 | .setPortStatusMaskSlave(SET_ALL_SLAVE) |
| 225 | .setXid(getNextTransactionId()) |
| 226 | .build(); |
| 227 | } |
| 228 | msglist.add(setAC); |
| 229 | |
| 230 | OFMessage br = factory.buildBarrierRequest() |
| 231 | .setXid(getNextTransactionId()) |
| 232 | .build(); |
| 233 | msglist.add(br); |
| 234 | |
| 235 | OFMessage getAC = factory.buildAsyncGetRequest() |
| 236 | .setXid(getNextTransactionId()) |
| 237 | .build(); |
| 238 | msglist.add(getAC); |
| 239 | |
| 240 | write(msglist); |
| 241 | } |
| 242 | |
| 243 | private void decodeAsyncGetReply(OFAsyncGetReply rep) { |
| 244 | long frm = rep.getFlowRemovedMaskEqualMaster(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 245 | long frs = rep.getFlowRemovedMaskSlave(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 246 | long pim = rep.getPacketInMaskEqualMaster(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 247 | long pis = rep.getPacketInMaskSlave(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 248 | long psm = rep.getPortStatusMaskEqualMaster(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 249 | long pss = rep.getPortStatusMaskSlave(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 250 | |
| 251 | if (role == Role.MASTER || role == Role.EQUAL) { // should separate |
| 252 | log.info("FRM:{}", HexString.toHexString((frm & TEST_FLOW_REMOVED_MASK))); |
| 253 | log.info("PIM:{}", HexString.toHexString((pim & TEST_PACKET_IN_MASK))); |
| 254 | log.info("PSM:{}", HexString.toHexString((psm & TEST_PORT_STATUS_MASK))); |
| 255 | } |
| 256 | |
| 257 | } |
| 258 | |
| 259 | private void getTableFeatures() throws IOException { |
| 260 | OFMessage gtf = factory.buildTableFeaturesStatsRequest() |
| 261 | .setXid(getNextTransactionId()) |
| 262 | .build(); |
| 263 | write(gtf, null); |
| 264 | } |
| 265 | |
| 266 | private void sendGroupFeaturesRequest() throws IOException { |
| 267 | OFMessage gfr = factory.buildGroupFeaturesStatsRequest() |
| 268 | .setXid(getNextTransactionId()) |
| 269 | .build(); |
| 270 | write(gfr, null); |
| 271 | } |
| 272 | |
| 273 | private void sendGroupDescRequest() throws IOException { |
| 274 | OFMessage gdr = factory.buildGroupDescStatsRequest() |
| 275 | .setXid(getNextTransactionId()) |
| 276 | .build(); |
| 277 | write(gdr, null); |
| 278 | } |
| 279 | |
| 280 | /*Create L2 interface groups for all physical ports |
| 281 | Naming convention followed is the same as OF-DPA spec |
| 282 | eg. port 1 with allowed vlan 10, is enveloped in group with id, |
| 283 | 0x0 00a 0001, where the uppermost 4 bits identify an L2 interface, |
| 284 | the next 12 bits identify the vlan-id, and the lowermost 16 bits |
| 285 | identify the port number.*/ |
| 286 | private void setL2Groups() throws IOException { |
| 287 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 288 | for (OFPortDesc p : getPorts()) { |
| 289 | int pnum = p.getPortNo().getPortNumber(); |
| 290 | int portVlan = getVlanConfig(pnum); |
| 291 | if (U32.of(pnum).compareTo(U32.of(OFPort.MAX.getPortNumber())) < 1) { |
| 292 | OFGroup gl2 = OFGroup.of(pnum | (portVlan << VLAN_ID_OFFSET)); |
| 293 | OFAction out = factory.actions().buildOutput() |
| 294 | .setPort(p.getPortNo()).build(); |
| 295 | OFAction popVlan = factory.actions().popVlan(); |
| 296 | List<OFAction> actions = new ArrayList<OFAction>(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 297 | // actions.add(popVlan); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 298 | actions.add(out); |
| 299 | OFBucket bucket = factory.buildBucket() |
| 300 | .setActions(actions).build(); |
| 301 | List<OFBucket> buckets = Collections.singletonList(bucket); |
| 302 | OFMessage gmAdd = factory.buildGroupAdd() |
| 303 | .setGroup(gl2) |
| 304 | .setBuckets(buckets) |
| 305 | .setGroupType(OFGroupType.INDIRECT) |
| 306 | .setXid(getNextTransactionId()) |
| 307 | .build(); |
| 308 | msglist.add(gmAdd); |
| 309 | l2groups.put(pnum, gl2); |
| 310 | } |
| 311 | } |
| 312 | log.debug("Creating {} L2 groups in sw {}", msglist.size(), getStringId()); |
| 313 | write(msglist); |
| 314 | } |
| 315 | |
| 316 | private int getVlanConfig(int portnum) { |
| 317 | int portVlan = 10 * portnum; |
| 318 | if ((getId() == 0x1 && portnum == 6) || |
| 319 | (getId() == 0x2) || |
| 320 | (getId() == 0x3 && portnum == 2)) { |
| 321 | portVlan = 192; // 0xc0 |
| 322 | } |
| 323 | return portVlan; |
| 324 | } |
| 325 | |
| 326 | private MacAddress getRouterMacAddr() { |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 327 | if (getId() == 0x3) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 328 | return MacAddress.of("00:00:07:07:07:80"); // router mac |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 329 | if (getId() == 0x1) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 330 | return MacAddress.of("00:00:01:01:01:80"); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 331 | // switch 0x2 |
| 332 | return MacAddress.of("00:00:02:02:02:80"); |
| 333 | } |
| 334 | |
| 335 | // only for ports connected to other routers |
| 336 | private OFAction getDestAction(int portnum) { |
| 337 | OFAction setDA = null; |
| 338 | MacAddress dAddr = null; |
| 339 | if (getId() == 0x1 && portnum == 6) { // connected to switch 2 |
| 340 | dAddr = MacAddress.of("00:00:02:02:02:80"); |
| 341 | } |
| 342 | if (getId() == 0x2) { |
| 343 | if (portnum == 1) { // connected to sw 1 |
| 344 | dAddr = MacAddress.of("00:00:01:01:01:80"); |
| 345 | } else if (portnum == 2) { // connected to sw 3 |
| 346 | dAddr = MacAddress.of("00:00:07:07:07:80"); |
| 347 | } |
| 348 | } |
| 349 | if (getId() == 0x3) { |
| 350 | if (portnum == 2) { // connected to switch 2 |
| 351 | dAddr = MacAddress.of("00:00:02:02:02:80"); |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | if (dAddr != null) { |
| 356 | OFOxmEthDst dstAddr = factory.oxms().ethDst(dAddr); |
| 357 | setDA = factory.actions().buildSetField() |
| 358 | .setField(dstAddr).build(); |
| 359 | } |
| 360 | return setDA; |
| 361 | } |
| 362 | |
| 363 | /* |
| 364 | * L3 groups are created for all router ports and they all point to corresponding |
| 365 | * L2 groups. Only the ports that connect to other routers will have the |
| 366 | * DA set. |
| 367 | */ |
| 368 | private void setL3Groups() throws IOException { |
| 369 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 370 | for (OFGroup gl2 : l2groups.values()) { |
| 371 | int gnum = gl2.getGroupNumber(); |
| 372 | int portnum = gnum & 0x0000ffff; |
| 373 | int vlanid = ((gnum & 0x0fff0000) >> VLAN_ID_OFFSET); |
| 374 | MacAddress sAddr = getRouterMacAddr(); |
| 375 | |
| 376 | OFGroup gl3 = OFGroup.of(0x20000000 | portnum); |
| 377 | OFAction group = factory.actions().buildGroup() |
| 378 | .setGroup(gl2).build(); |
| 379 | OFOxmEthSrc srcAddr = factory.oxms().ethSrc(sAddr); |
| 380 | OFAction setSA = factory.actions().buildSetField() |
| 381 | .setField(srcAddr).build(); |
| 382 | OFOxmVlanVid vid = factory.oxms().vlanVid(OFVlanVidMatch.ofVlan(vlanid)); |
| 383 | OFAction setVlan = factory.actions().buildSetField() |
| 384 | .setField(vid).build(); |
| 385 | OFAction decTtl = factory.actions().decNwTtl(); |
| 386 | |
| 387 | List<OFAction> actions = new ArrayList<OFAction>(); |
| 388 | actions.add(decTtl); // decrement the IP TTL/do-checksum/check TTL |
| 389 | // and MTU |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 390 | // actions.add(setVlan); // set the vlan-id of the exit-port (and |
| 391 | // l2group) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 392 | actions.add(setSA); // set this routers mac address |
| 393 | // make L3Unicast group setDA for known (configured) ports |
| 394 | // that connect to other routers |
| 395 | OFAction setDA = getDestAction(portnum); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 396 | if (setDA != null) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 397 | actions.add(setDA); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 398 | actions.add(group); |
| 399 | |
| 400 | OFBucket bucket = factory.buildBucket() |
| 401 | .setActions(actions).build(); |
| 402 | List<OFBucket> buckets = Collections.singletonList(bucket); |
| 403 | OFMessage gmAdd = factory.buildGroupAdd() |
| 404 | .setGroup(gl3) |
| 405 | .setBuckets(buckets) |
| 406 | .setGroupType(OFGroupType.INDIRECT) |
| 407 | .setXid(getNextTransactionId()) |
| 408 | .build(); |
| 409 | msglist.add(gmAdd); |
| 410 | } |
| 411 | write(msglist); |
| 412 | log.debug("Creating {} L3 groups in sw {}", msglist.size(), getStringId()); |
| 413 | } |
| 414 | |
| 415 | /* |
| 416 | * L2.5 or mpls-unicast groups are only created for those router ports |
| 417 | * connected to other router ports. They differ from the corresponding |
| 418 | * L3-unicast group only by the fact that they decrement the MPLS TTL |
| 419 | * instead of the IP ttl |
| 420 | */ |
| 421 | private void setL25Groups() throws IOException { |
| 422 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 423 | for (OFGroup gl2 : l2groups.values()) { |
| 424 | int gnum = gl2.getGroupNumber(); |
| 425 | int portnum = gnum & 0x0000ffff; |
| 426 | int vlanid = ((gnum & 0x0fff0000) >> VLAN_ID_OFFSET); |
| 427 | MacAddress sAddr = getRouterMacAddr(); |
| 428 | OFAction setDA = getDestAction(portnum); |
| 429 | // setDA will only be non-null for ports connected to routers |
| 430 | if (setDA != null) { |
| 431 | OFGroup gl3 = OFGroup.of(0xa0000000 | portnum); // different id |
| 432 | // for mpls |
| 433 | // group |
| 434 | OFAction group = factory.actions().buildGroup() |
| 435 | .setGroup(gl2).build(); |
| 436 | OFOxmEthSrc srcAddr = factory.oxms().ethSrc(sAddr); |
| 437 | OFAction setSA = factory.actions().buildSetField() |
| 438 | .setField(srcAddr).build(); |
| 439 | OFOxmVlanVid vid = factory.oxms().vlanVid(OFVlanVidMatch.ofVlan(vlanid)); |
| 440 | OFAction setVlan = factory.actions().buildSetField() |
| 441 | .setField(vid).build(); |
| 442 | OFAction decMplsTtl = factory.actions().decMplsTtl(); |
| 443 | List<OFAction> actions = new ArrayList<OFAction>(); |
| 444 | actions.add(decMplsTtl); // decrement the MPLS |
| 445 | // TTL/do-checksum/check TTL and MTU |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 446 | // actions.add(setVlan); // set the vlan-id of the exit-port |
| 447 | // (and |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 448 | // l2group) |
| 449 | actions.add(setSA); // set this routers mac address |
| 450 | actions.add(setDA); |
| 451 | actions.add(group); |
| 452 | OFBucket bucket = factory.buildBucket() |
| 453 | .setActions(actions).build(); |
| 454 | List<OFBucket> buckets = Collections.singletonList(bucket); |
| 455 | OFMessage gmAdd = factory.buildGroupAdd() |
| 456 | .setGroup(gl3) |
| 457 | .setBuckets(buckets) |
| 458 | .setGroupType(OFGroupType.INDIRECT) |
| 459 | .setXid(getNextTransactionId()) |
| 460 | .build(); |
| 461 | msglist.add(gmAdd); |
| 462 | } |
| 463 | } |
| 464 | write(msglist); |
| 465 | log.debug("Creating {} MPLS groups in sw {}", msglist.size(), getStringId()); |
| 466 | } |
| 467 | |
| 468 | /* Using ECMP groups |
| 469 | * |
| 470 | * OFGroup group47 = OFGroup.of(47); |
| 471 | OFAction outgroup1 = factory.actions() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 472 | .buildGroup() |
| 473 | .setGroup(group61) |
| 474 | .build(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 475 | OFBucket buc47_1 = factory.buildBucket() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 476 | .setWeight(1) |
| 477 | .setActions(Collections.singletonList(outgroup1)) |
| 478 | .build(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 479 | OFAction outgroup2 = factory.actions() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 480 | .buildGroup() |
| 481 | .setGroup(group62) |
| 482 | .build(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 483 | OFBucket buc47_2 = factory.buildBucket() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 484 | .setWeight(1) |
| 485 | .setActions(Collections.singletonList(outgroup2)) |
| 486 | .build(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 487 | List<OFBucket> buckets47 = new ArrayList<OFBucket>(); |
| 488 | buckets47.add(buc47_1); |
| 489 | buckets47.add(buc47_2); |
| 490 | OFMessage gmS12 = factory.buildGroupAdd() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 491 | .setGroup(group47) |
| 492 | .setBuckets(buckets47) |
| 493 | .setGroupType(OFGroupType.SELECT) |
| 494 | .setXid(getNextTransactionId()) |
| 495 | .build(); |
| 496 | write(gmS12, null); */ |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 497 | |
| 498 | private void processStatsReply(OFStatsReply sr) { |
| 499 | switch (sr.getStatsType()) { |
| 500 | case AGGREGATE: |
| 501 | break; |
| 502 | case DESC: |
| 503 | break; |
| 504 | case EXPERIMENTER: |
| 505 | break; |
| 506 | case FLOW: |
| 507 | break; |
| 508 | case GROUP_DESC: |
| 509 | processGroupDesc((OFGroupDescStatsReply) sr); |
| 510 | break; |
| 511 | case GROUP_FEATURES: |
| 512 | processGroupFeatures((OFGroupFeaturesStatsReply) sr); |
| 513 | break; |
| 514 | case METER_CONFIG: |
| 515 | break; |
| 516 | case METER_FEATURES: |
| 517 | break; |
| 518 | case PORT_DESC: |
| 519 | break; |
| 520 | case TABLE_FEATURES: |
| 521 | break; |
| 522 | default: |
| 523 | break; |
| 524 | |
| 525 | } |
| 526 | } |
| 527 | |
| 528 | private void processGroupFeatures(OFGroupFeaturesStatsReply gfsr) { |
| 529 | log.info("Sw: {} Group Features {}", getStringId(), gfsr); |
| 530 | } |
| 531 | |
| 532 | private void processGroupDesc(OFGroupDescStatsReply gdsr) { |
| 533 | log.info("Sw: {} Group Desc {}", getStringId(), gdsr); |
| 534 | } |
| 535 | |
| 536 | private void populateTableVlan() throws IOException { |
| 537 | // for all incoming ports assign configured port-vlans |
| 538 | // currently assign portnum*10 -> vlanid to access ports |
| 539 | // and vlan 192 to router to router ports |
| 540 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 541 | for (OFPortDesc p : getPorts()) { |
| 542 | int pnum = p.getPortNo().getPortNumber(); |
| 543 | if (U32.of(pnum).compareTo(U32.of(OFPort.MAX.getPortNumber())) < 1) { |
| 544 | int vlanid = getVlanConfig(pnum); |
| 545 | OFOxmInPort oxp = factory.oxms().inPort(p.getPortNo()); |
| 546 | OFOxmVlanVid oxv = factory.oxms() |
| 547 | .vlanVid(OFVlanVidMatch.UNTAGGED); |
| 548 | OFOxmList oxmList = OFOxmList.of(oxp, oxv); |
| 549 | OFMatchV3 match = factory.buildMatchV3() |
| 550 | .setOxmList(oxmList).build(); |
| 551 | OFOxmVlanVid vidToSet = factory.oxms() |
| 552 | .vlanVid(OFVlanVidMatch.ofVlan(vlanid)); |
| 553 | OFAction pushVlan = factory.actions().pushVlan(EthType.VLAN_FRAME); |
| 554 | OFAction setVlan = factory.actions().setField(vidToSet); |
| 555 | List<OFAction> actionlist = new ArrayList<OFAction>(); |
| 556 | actionlist.add(pushVlan); |
| 557 | actionlist.add(setVlan); |
| 558 | OFInstruction appAction = factory.instructions().buildApplyActions() |
| 559 | .setActions(actionlist).build(); |
| 560 | OFInstruction gotoTbl = factory.instructions().buildGotoTable() |
| 561 | .setTableId(TableId.of(TABLE_TMAC)).build(); |
| 562 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 563 | // instructions.add(appAction); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 564 | instructions.add(gotoTbl); |
| 565 | OFMessage flowEntry = factory.buildFlowAdd() |
| 566 | .setTableId(TableId.of(TABLE_VLAN)) |
| 567 | .setMatch(match) |
| 568 | .setInstructions(instructions) |
| 569 | .setPriority(1000) // does not matter - all rules |
| 570 | // exclusive |
| 571 | .setBufferId(OFBufferId.NO_BUFFER) |
| 572 | .setIdleTimeout(0) |
| 573 | .setHardTimeout(0) |
| 574 | .setXid(getNextTransactionId()) |
| 575 | .build(); |
| 576 | msglist.add(flowEntry); |
| 577 | } |
| 578 | } |
| 579 | // table-vlan has no table-miss entry, and so packets that miss are |
| 580 | // essentially dropped |
| 581 | write(msglist); |
| 582 | log.debug("Adding {} vlan-rules in sw {}", msglist.size(), getStringId()); |
| 583 | } |
| 584 | |
| 585 | private void populateTableTMac() throws IOException { |
| 586 | // match for ip packets |
| 587 | OFOxmEthType oxe = factory.oxms().ethType(EthType.IPv4); |
| 588 | OFOxmList oxmListIp = OFOxmList.of(oxe); |
| 589 | OFMatchV3 matchIp = factory.buildMatchV3() |
| 590 | .setOxmList(oxmListIp).build(); |
| 591 | OFInstruction gotoTblIp = factory.instructions().buildGotoTable() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 592 | .setTableId(TableId.of(TABLE_IPv4_UNICAST)).build(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 593 | List<OFInstruction> instructionsIp = Collections.singletonList(gotoTblIp); |
| 594 | OFMessage ipEntry = factory.buildFlowAdd() |
| 595 | .setTableId(TableId.of(TABLE_TMAC)) |
| 596 | .setMatch(matchIp) |
| 597 | .setInstructions(instructionsIp) |
| 598 | .setPriority(1000) // strict priority required lower than |
| 599 | // multicastMac |
| 600 | .setBufferId(OFBufferId.NO_BUFFER) |
| 601 | .setIdleTimeout(0) |
| 602 | .setHardTimeout(0) |
| 603 | .setXid(getNextTransactionId()) |
| 604 | .build(); |
| 605 | |
| 606 | // match for mpls packets |
| 607 | OFOxmEthType oxmpls = factory.oxms().ethType(EthType.MPLS_UNICAST); |
| 608 | OFOxmList oxmListMpls = OFOxmList.of(oxmpls); |
| 609 | OFMatchV3 matchMpls = factory.buildMatchV3() |
| 610 | .setOxmList(oxmListMpls).build(); |
| 611 | OFInstruction gotoTblMpls = factory.instructions().buildGotoTable() |
| 612 | .setTableId(TableId.of(TABLE_MPLS)).build(); |
| 613 | List<OFInstruction> instructionsMpls = Collections.singletonList(gotoTblMpls); |
| 614 | OFMessage mplsEntry = factory.buildFlowAdd() |
| 615 | .setTableId(TableId.of(TABLE_TMAC)) |
| 616 | .setMatch(matchMpls) |
| 617 | .setInstructions(instructionsMpls) |
| 618 | .setPriority(1001) // strict priority required lower than |
| 619 | // multicastMac |
| 620 | .setBufferId(OFBufferId.NO_BUFFER) |
| 621 | .setIdleTimeout(0) |
| 622 | .setHardTimeout(0) |
| 623 | .setXid(getNextTransactionId()) |
| 624 | .build(); |
| 625 | |
| 626 | // match for everything else to send to controller. Essentially |
| 627 | // the table miss flow entry |
| 628 | populateTableMissEntry(TABLE_TMAC, true, false, false, -1); |
| 629 | log.debug("Adding termination-mac-rules in sw {}", getStringId()); |
| 630 | List<OFMessage> msglist = new ArrayList<OFMessage>(2); |
| 631 | msglist.add(ipEntry); |
| 632 | msglist.add(mplsEntry); |
| 633 | write(msglist); |
| 634 | } |
| 635 | |
| 636 | private List<String> getMyIps() { // send to controller |
| 637 | List<String> myIps = new ArrayList<String>(); |
| 638 | if (getId() == 0x1) { |
| 639 | myIps.add("10.0.2.128"); |
| 640 | myIps.add("10.0.3.128"); |
| 641 | myIps.add("10.0.1.128"); |
| 642 | myIps.add("192.168.0.1"); |
| 643 | } |
| 644 | if (getId() == 0x2) { |
| 645 | myIps.add("192.168.0.2"); |
| 646 | } |
| 647 | if (getId() == 0x3) { |
| 648 | myIps.add("192.168.0.3"); |
| 649 | myIps.add("7.7.7.128"); |
| 650 | } |
| 651 | return myIps; |
| 652 | } |
| 653 | |
| 654 | private List<String> getMySubnetIps() { // send to controller |
| 655 | List<String> subnetIps = new ArrayList<String>(); |
| 656 | if (getId() == 0x1) { |
| 657 | subnetIps.add("10.0.2.0"); |
| 658 | subnetIps.add("10.0.3.0"); |
| 659 | subnetIps.add("10.0.1.0"); |
| 660 | } |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 661 | if (getId() == 0x2) { |
| 662 | } |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 663 | if (getId() == 0x3) { |
| 664 | subnetIps.add("7.7.7.0"); |
| 665 | } |
| 666 | return subnetIps; |
| 667 | } |
| 668 | |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 669 | private class RouteEntry { |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 670 | String prefix; |
| 671 | String mask; |
| 672 | int nextHopPort; |
| 673 | String dstMac; |
| 674 | int label; |
| 675 | |
| 676 | public RouteEntry(String prefix, String mask, int nextHopPort, int label) { |
| 677 | this.prefix = prefix; |
| 678 | this.mask = mask; |
| 679 | this.nextHopPort = nextHopPort; |
| 680 | this.label = label; |
| 681 | } |
| 682 | |
| 683 | public RouteEntry(String prefix, int nextHopPort, String dstMac) { |
| 684 | this.prefix = prefix; |
| 685 | this.nextHopPort = nextHopPort; |
| 686 | this.dstMac = dstMac; |
| 687 | } |
| 688 | } |
| 689 | |
| 690 | // send out of mpls-group where the next-hop mac-da is already set |
| 691 | private List<RouteEntry> getRouterNextHopIps() { |
| 692 | List<RouteEntry> routerNextHopIps = new ArrayList<RouteEntry>(); |
| 693 | if (getId() == 0x1) { |
| 694 | routerNextHopIps |
| 695 | .add(new RouteEntry("192.168.0.2", "255.255.255.255", 6, 102)); |
| 696 | routerNextHopIps |
| 697 | .add(new RouteEntry("192.168.0.3", "255.255.255.255", 6, 103)); |
| 698 | routerNextHopIps.add(new RouteEntry("7.7.7.0", "255.255.255.0", 6, 103)); |
| 699 | } |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 700 | if (getId() == 0x2) { |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 701 | /* These are required for normal IP routing without labels. |
| 702 | routerNextHopIps.add(new RouteEntry("192.168.0.1","255.255.255.255",1)); |
| 703 | routerNextHopIps.add(new RouteEntry("192.168.0.3","255.255.255.255",2)); |
| 704 | routerNextHopIps.add(new RouteEntry("10.0.1.0","255.255.255.0",1)); |
| 705 | routerNextHopIps.add(new RouteEntry("10.0.2.0","255.255.255.0",1)); |
| 706 | routerNextHopIps.add(new RouteEntry("10.0.3.0","255.255.255.0",1)); |
| 707 | routerNextHopIps.add(new RouteEntry("7.7.7.0","255.255.255.0",2));*/ |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 708 | } |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 709 | if (getId() == 0x3) { |
| 710 | routerNextHopIps |
| 711 | .add(new RouteEntry("192.168.0.2", "255.255.255.255", 2, 102)); |
| 712 | routerNextHopIps |
| 713 | .add(new RouteEntry("192.168.0.1", "255.255.255.255", 2, 101)); |
| 714 | routerNextHopIps.add(new RouteEntry("10.0.1.0", "255.255.255.0", 2, 101)); |
| 715 | routerNextHopIps.add(new RouteEntry("10.0.2.0", "255.255.255.0", 2, 101)); |
| 716 | routerNextHopIps.add(new RouteEntry("10.0.3.0", "255.255.255.0", 2, 101)); |
| 717 | } |
| 718 | return routerNextHopIps; |
| 719 | } |
| 720 | |
| 721 | // known host mac-addr, setDA/send out of l3group |
| 722 | private List<RouteEntry> getHostNextHopIps() { |
| 723 | List<RouteEntry> hostNextHopIps = new ArrayList<RouteEntry>(); |
| 724 | if (getId() == 0x1) { |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 725 | //hostNextHopIps.add(new RouteEntry("10.0.1.1", 1, "00:00:00:00:01:01")); // Just for Test - SSH |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 726 | hostNextHopIps.add(new RouteEntry("10.0.2.1", 4, "00:00:00:00:02:01")); |
| 727 | hostNextHopIps.add(new RouteEntry("10.0.3.1", 5, "00:00:00:00:03:01")); |
| 728 | } |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 729 | if (getId() == 0x2) { |
| 730 | } |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 731 | if (getId() == 0x3) { |
| 732 | hostNextHopIps.add(new RouteEntry("7.7.7.7", 1, "00:00:07:07:07:07")); |
| 733 | } |
| 734 | return hostNextHopIps; |
| 735 | } |
| 736 | |
| 737 | private void populateIpTable() throws IOException { |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 738 | // populateMyIps(); |
| 739 | // populateMySubnets(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 740 | populateRoutes(); |
| 741 | populateHostRoutes(); |
| 742 | |
| 743 | // match for everything else to send to ACL table. Essentially |
| 744 | // the table miss flow entry |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 745 | populateTableMissEntry(TABLE_IPv4_UNICAST, false, true, |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 746 | true, TABLE_ACL); |
| 747 | } |
| 748 | |
| 749 | private void populateMyIps() throws IOException { |
| 750 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 751 | // first all my ip's as exact-matches |
| 752 | // write-action instruction to send to controller |
| 753 | List<String> myIps = getMyIps(); |
| 754 | for (int i = 0; i < myIps.size(); i++) { |
| 755 | OFOxmEthType ethTypeIp = factory.oxms() |
| 756 | .ethType(EthType.IPv4); |
| 757 | OFOxmIpv4DstMasked ipPrefix = factory.oxms() |
| 758 | .ipv4DstMasked(IPv4Address.of(myIps.get(i)), IPv4Address.NO_MASK); |
| 759 | OFOxmList oxmListSlash32 = OFOxmList.of(ethTypeIp, ipPrefix); |
| 760 | OFMatchV3 match = factory.buildMatchV3() |
| 761 | .setOxmList(oxmListSlash32).build(); |
| 762 | OFAction outc = factory.actions().buildOutput() |
| 763 | .setPort(OFPort.CONTROLLER).setMaxLen(OFPCML_NO_BUFFER) |
| 764 | .build(); |
| 765 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 766 | .setActions(Collections.singletonList(outc)).build(); |
| 767 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 768 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 769 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 770 | instructions.add(writeInstr); |
| 771 | instructions.add(gotoInstr); |
| 772 | OFMessage myIpEntry = factory.buildFlowAdd() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 773 | .setTableId(TableId.of(TABLE_IPv4_UNICAST)) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 774 | .setMatch(match) |
| 775 | .setInstructions(instructions) |
| 776 | .setPriority(MAX_PRIORITY) // highest priority for exact |
| 777 | // match |
| 778 | .setBufferId(OFBufferId.NO_BUFFER) |
| 779 | .setIdleTimeout(0) |
| 780 | .setHardTimeout(0) |
| 781 | .setXid(getNextTransactionId()) |
| 782 | .build(); |
| 783 | msglist.add(myIpEntry); |
| 784 | } |
| 785 | write(msglist); |
| 786 | log.debug("Adding {} my-ip-rules in sw {}", msglist.size(), getStringId()); |
| 787 | } |
| 788 | |
| 789 | private void populateMySubnets() throws IOException { |
| 790 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 791 | // next prefix-based subnet-IP's configured on my interfaces |
| 792 | // need to ARP for exact-IP, so write-action instruction to send to |
| 793 | // controller |
| 794 | // this has different mask and priority than earlier case |
| 795 | List<String> subnetIps = getMySubnetIps(); |
| 796 | for (int i = 0; i < subnetIps.size(); i++) { |
| 797 | OFOxmEthType ethTypeIp = factory.oxms() |
| 798 | .ethType(EthType.IPv4); |
| 799 | OFOxmIpv4DstMasked ipPrefix = factory.oxms().ipv4DstMasked( |
| 800 | IPv4Address.of(subnetIps.get(i)), |
| 801 | IPv4Address.of(0xffffff00)); // '/24' mask |
| 802 | OFOxmList oxmListSlash24 = OFOxmList.of(ethTypeIp, ipPrefix); |
| 803 | OFMatchV3 match = factory.buildMatchV3() |
| 804 | .setOxmList(oxmListSlash24).build(); |
| 805 | OFAction outc = factory.actions().buildOutput() |
| 806 | .setPort(OFPort.CONTROLLER).setMaxLen(OFPCML_NO_BUFFER) |
| 807 | .build(); |
| 808 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 809 | .setActions(Collections.singletonList(outc)).build(); |
| 810 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 811 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 812 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 813 | instructions.add(writeInstr); |
| 814 | instructions.add(gotoInstr); |
| 815 | OFMessage myIpEntry = factory.buildFlowAdd() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 816 | .setTableId(TableId.of(TABLE_IPv4_UNICAST)) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 817 | .setMatch(match) |
| 818 | .setInstructions(instructions) |
| 819 | .setPriority(SLASH_24_PRIORITY) |
| 820 | .setBufferId(OFBufferId.NO_BUFFER) |
| 821 | .setIdleTimeout(0) |
| 822 | .setHardTimeout(0) |
| 823 | .setXid(getNextTransactionId()) |
| 824 | .build(); |
| 825 | msglist.add(myIpEntry); |
| 826 | } |
| 827 | write(msglist); |
| 828 | log.debug("Adding {} subnet-ip-rules in sw {}", msglist.size(), getStringId()); |
| 829 | msglist.clear(); |
| 830 | } |
| 831 | |
| 832 | private void populateRoutes() throws IOException { |
| 833 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 834 | // addresses where I know the next-hop's mac-address because it is a |
| 835 | // router port - so I have an L3 interface to it (and an MPLS interface) |
| 836 | List<RouteEntry> routerNextHopIps = getRouterNextHopIps(); |
| 837 | for (int i = 0; i < routerNextHopIps.size(); i++) { |
| 838 | OFOxmEthType ethTypeIp = factory.oxms() |
| 839 | .ethType(EthType.IPv4); |
| 840 | OFOxmIpv4DstMasked ipPrefix = factory.oxms() |
| 841 | .ipv4DstMasked( |
| 842 | IPv4Address.of(routerNextHopIps.get(i).prefix), |
| 843 | IPv4Address.of(routerNextHopIps.get(i).mask) |
| 844 | ); |
| 845 | OFOxmList oxmListSlash32 = OFOxmList.of(ethTypeIp, ipPrefix); |
| 846 | OFMatchV3 match = factory.buildMatchV3() |
| 847 | .setOxmList(oxmListSlash32).build(); |
| 848 | OFAction outg = factory.actions().buildGroup() |
| 849 | .setGroup(OFGroup.of(0xa0000000 | // mpls group id |
| 850 | routerNextHopIps.get(i).nextHopPort)) |
| 851 | .build(); |
| 852 | // lots of actions before forwarding to mpls group, and |
| 853 | // unfortunately |
| 854 | // they need to be apply-actions |
| 855 | |
| 856 | OFAction pushlabel = factory.actions().pushMpls(EthType.MPLS_UNICAST); |
| 857 | OFOxmMplsLabel l = factory.oxms() |
| 858 | .mplsLabel(U32.of(routerNextHopIps.get(i).label)); |
| 859 | OFAction setlabelid = factory.actions().buildSetField() |
| 860 | .setField(l).build(); |
| 861 | OFAction copyTtlOut = factory.actions().copyTtlOut(); |
| 862 | // OFAction setBos = |
| 863 | // factory.actions().buildSetField().setField(bos).build(); |
| 864 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 865 | List<OFAction> writeActions = new ArrayList<OFAction>(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 866 | writeActions.add(pushlabel); |
| 867 | writeActions.add(copyTtlOut); |
| 868 | writeActions.add(setlabelid); |
| 869 | // writeActions.add(setBos); no support in loxigen |
| 870 | |
| 871 | // List<OFAction> applyActions = new ArrayList<OFAction>(); |
| 872 | // applyActions.add(pushlabel); |
| 873 | // applyActions.add(copyTtlOut); |
| 874 | // OFInstruction applyInstr = |
| 875 | // factory.instructions().buildApplyActions() |
| 876 | // .setActions(applyActions).build(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 877 | writeActions.add(outg); // group will decr mpls-ttl, set mac-sa/da, |
| 878 | // vlan |
| 879 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 880 | .setActions(writeActions).build(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 881 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 882 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 883 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 884 | instructions.add(writeInstr); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 885 | |
| 886 | // necessary to match in pseudo-table to overcome cpqd 1.3 flaw |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 887 | /*OFInstruction writeMeta = factory.instructions().buildWriteMetadata() |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 888 | .setMetadata(U64.of(routerNextHopIps.get(i).label)) |
| 889 | .setMetadataMask(METADATA_MASK).build(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 890 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 891 | .setTableId(TableId.of(TABLE_META)).build();*/ |
| 892 | /*instructions.add(applyInstr); |
| 893 | instructions.add(writeMeta);*/ |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 894 | |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 895 | instructions.add(gotoInstr); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 896 | int priority = -1; |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 897 | if (routerNextHopIps.get(i).mask.equals("255.255.255.255")) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 898 | priority = MAX_PRIORITY; |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 899 | else |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 900 | priority = SLASH_24_PRIORITY; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 901 | OFMessage myIpEntry = factory.buildFlowAdd() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 902 | .setTableId(TableId.of(TABLE_IPv4_UNICAST)) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 903 | .setMatch(match) |
| 904 | .setInstructions(instructions) |
| 905 | .setPriority(priority) |
| 906 | .setBufferId(OFBufferId.NO_BUFFER) |
| 907 | .setIdleTimeout(0) |
| 908 | .setHardTimeout(0) |
| 909 | .setXid(getNextTransactionId()) |
| 910 | .build(); |
| 911 | msglist.add(myIpEntry); |
| 912 | |
| 913 | // need to also handle psuedo-table entries to match-metadata and |
| 914 | // set mpls |
| 915 | // label-id |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 916 | /*OFOxmEthType ethTypeMpls = factory.oxms() |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 917 | .ethType(EthType.MPLS_UNICAST); |
| 918 | OFOxmMetadataMasked meta = factory.oxms() |
| 919 | .metadataMasked( |
| 920 | OFMetadata.ofRaw(routerNextHopIps.get(i).label), |
| 921 | OFMetadata.NO_MASK); |
| 922 | OFOxmList oxmListMeta = OFOxmList.of(ethTypeMpls, meta); |
| 923 | OFMatchV3 matchMeta = factory.buildMatchV3() |
| 924 | .setOxmList(oxmListMeta).build(); |
| 925 | List<OFAction> writeActions2 = new ArrayList<OFAction>(); |
| 926 | writeActions2.add(setlabelid); |
| 927 | OFAction outg2 = factory.actions().buildGroup() |
| 928 | .setGroup(OFGroup.of(routerNextHopIps.get(i).nextHopPort | |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 929 | (192 << VLAN_ID_OFFSET))) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 930 | .build(); |
| 931 | writeActions2.add(outg2); |
| 932 | OFInstruction writeInstr2 = factory.instructions().buildWriteActions() |
| 933 | .setActions(writeActions2).build(); |
| 934 | OFInstruction gotoInstr2 = factory.instructions().buildGotoTable() |
| 935 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 936 | List<OFInstruction> instructions2 = new ArrayList<OFInstruction>(); |
| 937 | // unfortunately have to apply this action too |
| 938 | OFInstruction applyInstr2 = factory.instructions().buildApplyActions() |
| 939 | .setActions(writeActions2).build(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 940 | instructions2.add(applyInstr2); */ |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 941 | // instructions2.add(writeInstr2); |
| 942 | // instructions2.add(gotoInstr2); |
| 943 | |
| 944 | /*OFMatchV3 match3 = factory.buildMatchV3() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 945 | .setOxmList(OFOxmList.of(meta)).build(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 946 | OFInstruction clearInstruction = factory.instructions().clearActions(); |
| 947 | List<OFInstruction> instructions3 = new ArrayList<OFInstruction>(); |
| 948 | OFAction outc = factory.actions().buildOutput() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 949 | .setPort(OFPort.CONTROLLER).setMaxLen(OFPCML_NO_BUFFER) |
| 950 | .build(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 951 | OFInstruction writec = factory.instructions() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 952 | .writeActions(Collections.singletonList(outc)); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 953 | instructions3.add(clearInstruction); |
| 954 | instructions3.add(writec); |
| 955 | instructions3.add(gotoInstr2); */ |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 956 | /*OFMessage myMetaEntry = factory.buildFlowAdd() |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 957 | .setTableId(TableId.of(TABLE_META)) |
| 958 | .setMatch(matchMeta) |
| 959 | .setInstructions(instructions2) |
| 960 | .setPriority(MAX_PRIORITY) |
| 961 | .setBufferId(OFBufferId.NO_BUFFER) |
| 962 | .setIdleTimeout(0) |
| 963 | .setHardTimeout(0) |
| 964 | .setXid(getNextTransactionId()) |
| 965 | .build(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 966 | msglist.add(myMetaEntry); */ |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 967 | |
| 968 | } |
| 969 | write(msglist); |
| 970 | log.debug("Adding {} next-hop-router-rules in sw {}", msglist.size(), |
| 971 | getStringId()); |
| 972 | |
| 973 | // add a table-miss entry to table 4 for debugging - leave it out |
| 974 | // unclear packet state - causes switch to crash |
| 975 | // populateTableMissEntry(TABLE_META, false, true, |
| 976 | // true, TABLE_ACL); |
| 977 | } |
| 978 | |
| 979 | private void populateHostRoutes() throws IOException { |
| 980 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 981 | // addresses where I know the next hop's mac-address and I can set the |
| 982 | // destination mac in the match-instruction.write-action |
| 983 | // either I sent out arp-request or I got an arp-request from this host |
| 984 | List<RouteEntry> hostNextHopIps = getHostNextHopIps(); |
| 985 | for (int i = 0; i < hostNextHopIps.size(); i++) { |
| 986 | OFOxmEthType ethTypeIp = factory.oxms() |
| 987 | .ethType(EthType.IPv4); |
| 988 | OFOxmIpv4DstMasked ipPrefix = factory.oxms() |
| 989 | .ipv4DstMasked( |
| 990 | IPv4Address.of(hostNextHopIps.get(i).prefix), |
| 991 | IPv4Address.NO_MASK); // host addr should be /32 |
| 992 | OFOxmList oxmListSlash32 = OFOxmList.of(ethTypeIp, ipPrefix); |
| 993 | OFMatchV3 match = factory.buildMatchV3() |
| 994 | .setOxmList(oxmListSlash32).build(); |
| 995 | OFAction setDmac = null, outg = null; |
| 996 | OFOxmEthDst dmac = factory.oxms() |
| 997 | .ethDst(MacAddress.of(hostNextHopIps.get(i).dstMac)); |
| 998 | setDmac = factory.actions().buildSetField() |
| 999 | .setField(dmac).build(); |
| 1000 | outg = factory.actions().buildGroup() |
| 1001 | .setGroup(OFGroup.of(0x20000000 | hostNextHopIps.get(i).nextHopPort)) // l3group |
| 1002 | // id |
| 1003 | .build(); |
| 1004 | List<OFAction> writeActions = new ArrayList<OFAction>(); |
| 1005 | writeActions.add(setDmac); |
| 1006 | writeActions.add(outg); |
| 1007 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 1008 | .setActions(writeActions).build(); |
| 1009 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 1010 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 1011 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 1012 | instructions.add(writeInstr); |
| 1013 | instructions.add(gotoInstr); |
| 1014 | OFMessage myIpEntry = factory.buildFlowAdd() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1015 | .setTableId(TableId.of(TABLE_IPv4_UNICAST)) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1016 | .setMatch(match) |
| 1017 | .setInstructions(instructions) |
| 1018 | .setPriority(MAX_PRIORITY) // highest priority for exact |
| 1019 | // match |
| 1020 | .setBufferId(OFBufferId.NO_BUFFER) |
| 1021 | .setIdleTimeout(0) |
| 1022 | .setHardTimeout(0) |
| 1023 | .setXid(getNextTransactionId()) |
| 1024 | .build(); |
| 1025 | msglist.add(myIpEntry); |
| 1026 | } |
| 1027 | write(msglist); |
| 1028 | log.debug("Adding {} next-hop-host-rules in sw {}", msglist.size(), getStringId()); |
| 1029 | } |
| 1030 | |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1031 | private class MplsEntry { |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1032 | int labelid; |
| 1033 | int portnum; |
| 1034 | |
| 1035 | public MplsEntry(int labelid, int portnum) { |
| 1036 | this.labelid = labelid; |
| 1037 | this.portnum = portnum; |
| 1038 | } |
| 1039 | } |
| 1040 | |
| 1041 | private List<MplsEntry> getMplsEntries() { |
| 1042 | List<MplsEntry> myLabels = new ArrayList<MplsEntry>(); |
| 1043 | if (getId() == 0x1) { |
| 1044 | myLabels.add(new MplsEntry(101, OFPort.CONTROLLER.getPortNumber())); |
| 1045 | myLabels.add(new MplsEntry(103, 6)); |
| 1046 | } |
| 1047 | if (getId() == 0x2) { |
| 1048 | myLabels.add(new MplsEntry(103, 2)); |
| 1049 | myLabels.add(new MplsEntry(102, OFPort.CONTROLLER.getPortNumber())); |
| 1050 | myLabels.add(new MplsEntry(101, 1)); |
| 1051 | } |
| 1052 | if (getId() == 0x3) { |
| 1053 | myLabels.add(new MplsEntry(103, OFPort.CONTROLLER.getPortNumber())); |
| 1054 | myLabels.add(new MplsEntry(101, 2)); |
| 1055 | } |
| 1056 | return myLabels; |
| 1057 | } |
| 1058 | |
| 1059 | private void populateMplsTable() throws IOException { |
| 1060 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 1061 | List<MplsEntry> lfibEntries = getMplsEntries(); |
| 1062 | for (int i = 0; i < lfibEntries.size(); i++) { |
| 1063 | OFOxmEthType ethTypeMpls = factory.oxms() |
| 1064 | .ethType(EthType.MPLS_UNICAST); |
| 1065 | OFOxmMplsLabel labelid = factory.oxms() |
| 1066 | .mplsLabel(U32.of(lfibEntries.get(i).labelid)); |
| 1067 | OFOxmList oxmList = OFOxmList.of(ethTypeMpls, labelid); |
| 1068 | OFMatchV3 matchlabel = factory.buildMatchV3() |
| 1069 | .setOxmList(oxmList).build(); |
| 1070 | OFAction poplabel = factory.actions().popMpls(EthType.IPv4); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1071 | OFAction copyttlin = factory.actions().copyTtlIn(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1072 | OFAction sendTo = null; |
| 1073 | if (lfibEntries.get(i).portnum == OFPort.CONTROLLER.getPortNumber()) { |
| 1074 | sendTo = factory.actions().output(OFPort.CONTROLLER, |
| 1075 | OFPCML_NO_BUFFER); |
| 1076 | } else { |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1077 | // after popping send to L3 intf, not MPLS intf |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1078 | sendTo = factory.actions().group(OFGroup.of( |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1079 | 0x20000000 | lfibEntries.get(i).portnum)); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1080 | } |
| 1081 | List<OFAction> writeActions = new ArrayList<OFAction>(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1082 | writeActions.add(copyttlin); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1083 | writeActions.add(poplabel); |
| 1084 | writeActions.add(sendTo); |
| 1085 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 1086 | .setActions(writeActions).build(); |
| 1087 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 1088 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 1089 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 1090 | instructions.add(writeInstr); |
| 1091 | instructions.add(gotoInstr); |
| 1092 | OFMessage myMplsEntry = factory.buildFlowAdd() |
| 1093 | .setTableId(TableId.of(TABLE_MPLS)) |
| 1094 | .setMatch(matchlabel) |
| 1095 | .setInstructions(instructions) |
| 1096 | .setPriority(MAX_PRIORITY) // exact match and exclusive |
| 1097 | .setBufferId(OFBufferId.NO_BUFFER) |
| 1098 | .setIdleTimeout(0) |
| 1099 | .setHardTimeout(0) |
| 1100 | .setXid(getNextTransactionId()) |
| 1101 | .build(); |
| 1102 | msglist.add(myMplsEntry); |
| 1103 | } |
| 1104 | write(msglist); |
| 1105 | log.debug("Adding {} mpls-forwarding-rules in sw {}", msglist.size(), |
| 1106 | getStringId()); |
| 1107 | |
| 1108 | // match for everything else to send to ACL table. Essentially |
| 1109 | // the table miss flow entry |
| 1110 | populateTableMissEntry(TABLE_MPLS, false, true, |
| 1111 | true, TABLE_ACL); |
| 1112 | |
| 1113 | } |
| 1114 | |
| 1115 | /** |
| 1116 | * By default if none of the booleans in the call are set, then the |
| 1117 | * table-miss entry is added with no instructions, which means that pipeline |
| 1118 | * execution will stop, and the action set associated with the packet will |
| 1119 | * be executed. |
| 1120 | * |
| 1121 | * @param tableToAdd |
| 1122 | * @param toControllerNow as an APPLY_ACTION instruction |
| 1123 | * @param toControllerWrite as a WRITE_ACITION instruction |
| 1124 | * @param toTable as a GOTO_TABLE instruction |
| 1125 | * @param tableToSend |
| 1126 | * @throws IOException |
| 1127 | */ |
| 1128 | @SuppressWarnings("unchecked") |
| 1129 | private void populateTableMissEntry(int tableToAdd, boolean toControllerNow, |
| 1130 | boolean toControllerWrite, |
| 1131 | boolean toTable, int tableToSend) throws IOException { |
| 1132 | OFOxmList oxmList = OFOxmList.EMPTY; |
| 1133 | OFMatchV3 match = factory.buildMatchV3() |
| 1134 | .setOxmList(oxmList) |
| 1135 | .build(); |
| 1136 | OFAction outc = factory.actions() |
| 1137 | .buildOutput() |
| 1138 | .setPort(OFPort.CONTROLLER) |
| 1139 | .setMaxLen(OFPCML_NO_BUFFER) |
| 1140 | .build(); |
| 1141 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 1142 | if (toControllerNow) { |
| 1143 | // table-miss instruction to send to controller immediately |
| 1144 | OFInstruction instr = factory.instructions() |
| 1145 | .buildApplyActions() |
| 1146 | .setActions(Collections.singletonList(outc)) |
| 1147 | .build(); |
| 1148 | instructions.add(instr); |
| 1149 | } |
| 1150 | |
| 1151 | if (toControllerWrite) { |
| 1152 | // table-miss instruction to write-action to send to controller |
| 1153 | // this will be executed whenever the action-set gets executed |
| 1154 | OFInstruction instr = factory.instructions() |
| 1155 | .buildWriteActions() |
| 1156 | .setActions(Collections.singletonList(outc)) |
| 1157 | .build(); |
| 1158 | instructions.add(instr); |
| 1159 | } |
| 1160 | |
| 1161 | if (toTable) { |
| 1162 | // table-miss instruction to goto-table x |
| 1163 | OFInstruction instr = factory.instructions() |
| 1164 | .gotoTable(TableId.of(tableToSend)); |
| 1165 | instructions.add(instr); |
| 1166 | } |
| 1167 | |
| 1168 | if (!toControllerNow && !toControllerWrite && !toTable) { |
| 1169 | // table-miss has no instruction - at which point action-set will be |
| 1170 | // executed - if there is an action to output/group in the action |
| 1171 | // set |
| 1172 | // the packet will be sent there, otherwise it will be dropped. |
| 1173 | instructions = (List<OFInstruction>) Collections.EMPTY_LIST; |
| 1174 | } |
| 1175 | |
| 1176 | OFMessage tableMissEntry = factory.buildFlowAdd() |
| 1177 | .setTableId(TableId.of(tableToAdd)) |
| 1178 | .setMatch(match) // match everything |
| 1179 | .setInstructions(instructions) |
| 1180 | .setPriority(MIN_PRIORITY) |
| 1181 | .setBufferId(OFBufferId.NO_BUFFER) |
| 1182 | .setIdleTimeout(0) |
| 1183 | .setHardTimeout(0) |
| 1184 | .setXid(getNextTransactionId()) |
| 1185 | .build(); |
| 1186 | write(tableMissEntry, null); |
| 1187 | } |
| 1188 | |
| 1189 | private void sendBarrier(boolean finalBarrier) throws IOException { |
| 1190 | int xid = getNextTransactionId(); |
| 1191 | if (finalBarrier) { |
| 1192 | barrierXidToWaitFor = xid; |
| 1193 | } |
| 1194 | OFBarrierRequest br = factory |
| 1195 | .buildBarrierRequest() |
| 1196 | .setXid(xid) |
| 1197 | .build(); |
| 1198 | write(br, null); |
| 1199 | } |
| 1200 | |
| 1201 | } |