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; |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 5 | import java.util.Collection; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 6 | import java.util.Collections; |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 7 | import java.util.HashSet; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 8 | import java.util.List; |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 9 | import java.util.Set; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 10 | import java.util.concurrent.ConcurrentHashMap; |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 11 | import java.util.concurrent.ConcurrentMap; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 12 | import java.util.concurrent.atomic.AtomicBoolean; |
| 13 | |
| 14 | import net.floodlightcontroller.core.IFloodlightProviderService.Role; |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 15 | import net.floodlightcontroller.core.IOF13Switch; |
| 16 | import net.floodlightcontroller.core.IOFSwitch; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 17 | import net.floodlightcontroller.core.SwitchDriverSubHandshakeAlreadyStarted; |
| 18 | import net.floodlightcontroller.core.SwitchDriverSubHandshakeCompleted; |
| 19 | import net.floodlightcontroller.core.SwitchDriverSubHandshakeNotStarted; |
| 20 | import net.floodlightcontroller.core.internal.OFSwitchImplBase; |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 21 | import net.onrc.onos.core.configmanager.INetworkConfigService; |
| 22 | import net.onrc.onos.core.configmanager.INetworkConfigService.NetworkConfigState; |
| 23 | import net.onrc.onos.core.configmanager.INetworkConfigService.SwitchConfigStatus; |
| 24 | import net.onrc.onos.core.configmanager.NetworkConfig.LinkConfig; |
| 25 | import net.onrc.onos.core.configmanager.NetworkConfigManager; |
| 26 | import net.onrc.onos.core.configmanager.PktLinkConfig; |
| 27 | import net.onrc.onos.core.configmanager.SegmentRouterConfig; |
| 28 | import net.onrc.onos.core.matchaction.MatchAction; |
| 29 | import net.onrc.onos.core.matchaction.MatchActionOperationEntry; |
Saurav Das | bc594a4 | 2014-09-25 20:13:50 -0700 | [diff] [blame] | 30 | import net.onrc.onos.core.matchaction.MatchActionOperations; |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 31 | import net.onrc.onos.core.matchaction.MatchActionOperations.Operator; |
| 32 | import net.onrc.onos.core.matchaction.action.Action; |
| 33 | import net.onrc.onos.core.matchaction.action.CopyTtlInAction; |
| 34 | import net.onrc.onos.core.matchaction.action.CopyTtlOutAction; |
| 35 | import net.onrc.onos.core.matchaction.action.DecMplsTtlAction; |
| 36 | import net.onrc.onos.core.matchaction.action.DecNwTtlAction; |
| 37 | import net.onrc.onos.core.matchaction.action.GroupAction; |
| 38 | import net.onrc.onos.core.matchaction.action.ModifyDstMacAction; |
| 39 | import net.onrc.onos.core.matchaction.action.ModifySrcMacAction; |
| 40 | import net.onrc.onos.core.matchaction.action.OutputAction; |
| 41 | import net.onrc.onos.core.matchaction.action.PopMplsAction; |
| 42 | import net.onrc.onos.core.matchaction.action.PushMplsAction; |
| 43 | import net.onrc.onos.core.matchaction.action.SetMplsIdAction; |
| 44 | import net.onrc.onos.core.matchaction.match.Ipv4Match; |
| 45 | import net.onrc.onos.core.matchaction.match.Match; |
| 46 | import net.onrc.onos.core.matchaction.match.MplsMatch; |
| 47 | import net.onrc.onos.core.matchaction.match.PacketMatch; |
| 48 | import net.onrc.onos.core.util.Dpid; |
| 49 | import net.onrc.onos.core.util.IPv4Net; |
| 50 | import net.onrc.onos.core.util.PortNumber; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 51 | |
| 52 | import org.projectfloodlight.openflow.protocol.OFAsyncGetReply; |
| 53 | import org.projectfloodlight.openflow.protocol.OFBarrierRequest; |
| 54 | import org.projectfloodlight.openflow.protocol.OFBucket; |
| 55 | import org.projectfloodlight.openflow.protocol.OFDescStatsReply; |
| 56 | import org.projectfloodlight.openflow.protocol.OFErrorMsg; |
| 57 | import org.projectfloodlight.openflow.protocol.OFFactory; |
| 58 | import org.projectfloodlight.openflow.protocol.OFGroupDescStatsReply; |
| 59 | import org.projectfloodlight.openflow.protocol.OFGroupFeaturesStatsReply; |
| 60 | import org.projectfloodlight.openflow.protocol.OFGroupType; |
| 61 | import org.projectfloodlight.openflow.protocol.OFMatchV3; |
| 62 | import org.projectfloodlight.openflow.protocol.OFMessage; |
| 63 | import org.projectfloodlight.openflow.protocol.OFOxmList; |
| 64 | import org.projectfloodlight.openflow.protocol.OFPortDesc; |
| 65 | import org.projectfloodlight.openflow.protocol.OFStatsReply; |
| 66 | import org.projectfloodlight.openflow.protocol.action.OFAction; |
| 67 | import org.projectfloodlight.openflow.protocol.instruction.OFInstruction; |
| 68 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmEthDst; |
| 69 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmEthSrc; |
| 70 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmEthType; |
| 71 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmInPort; |
| 72 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmIpv4DstMasked; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 73 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmMplsLabel; |
| 74 | import org.projectfloodlight.openflow.protocol.oxm.OFOxmVlanVid; |
| 75 | import org.projectfloodlight.openflow.types.EthType; |
| 76 | import org.projectfloodlight.openflow.types.IPv4Address; |
| 77 | import org.projectfloodlight.openflow.types.MacAddress; |
| 78 | import org.projectfloodlight.openflow.types.OFBufferId; |
| 79 | import org.projectfloodlight.openflow.types.OFGroup; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 80 | import org.projectfloodlight.openflow.types.OFPort; |
| 81 | import org.projectfloodlight.openflow.types.OFVlanVidMatch; |
| 82 | import org.projectfloodlight.openflow.types.TableId; |
| 83 | import org.projectfloodlight.openflow.types.U32; |
| 84 | import org.projectfloodlight.openflow.types.U64; |
| 85 | import org.projectfloodlight.openflow.util.HexString; |
| 86 | |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 87 | import com.google.common.collect.Sets; |
| 88 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 89 | /** |
| 90 | * OFDescriptionStatistics Vendor (Manufacturer Desc.): Stanford University, |
| 91 | * Ericsson Research and CPqD Research. Make (Hardware Desc.) : OpenFlow 1.3 |
| 92 | * Reference Userspace Switch Model (Datapath Desc.) : None Software : Serial : |
| 93 | * None |
| 94 | */ |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 95 | public class OFSwitchImplCPqD13 extends OFSwitchImplBase implements IOF13Switch { |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 96 | private static final int VLAN_ID_OFFSET = 16; |
| 97 | private AtomicBoolean driverHandshakeComplete; |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 98 | private AtomicBoolean haltStateMachine; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 99 | private OFFactory factory; |
| 100 | private static final int OFPCML_NO_BUFFER = 0xffff; |
| 101 | // Configuration of asynch messages to controller. We need different |
| 102 | // asynch messages depending on role-equal or role-master. |
| 103 | // We don't want to get anything if we are slave. |
| 104 | private static final long SET_FLOW_REMOVED_MASK_MASTER = 0xf; |
| 105 | private static final long SET_PACKET_IN_MASK_MASTER = 0x7; |
| 106 | private static final long SET_PORT_STATUS_MASK_MASTER = 0x7; |
| 107 | private static final long SET_FLOW_REMOVED_MASK_EQUAL = 0x0; |
| 108 | private static final long SET_PACKET_IN_MASK_EQUAL = 0x0; |
| 109 | private static final long SET_PORT_STATUS_MASK_EQUAL = 0x7; |
| 110 | private static final long SET_ALL_SLAVE = 0x0; |
| 111 | |
| 112 | private static final long TEST_FLOW_REMOVED_MASK = 0xf; |
| 113 | private static final long TEST_PACKET_IN_MASK = 0x7; |
| 114 | private static final long TEST_PORT_STATUS_MASK = 0x7; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 115 | |
| 116 | private static final int TABLE_VLAN = 0; |
| 117 | private static final int TABLE_TMAC = 1; |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 118 | private static final int TABLE_IPv4_UNICAST = 2; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 119 | private static final int TABLE_MPLS = 3; |
| 120 | private static final int TABLE_META = 4; |
| 121 | private static final int TABLE_ACL = 5; |
| 122 | |
| 123 | private static final short MAX_PRIORITY = (short) 0xffff; |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 124 | private static final short PRIORITY_MULTIPLIER = (short) 2046; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 125 | private static final short MIN_PRIORITY = 0x0; |
| 126 | private static final U64 METADATA_MASK = U64.of(Long.MAX_VALUE << 1 | 0x1); |
| 127 | |
| 128 | ConcurrentHashMap<Integer, OFGroup> l2groups; |
| 129 | |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 130 | private long barrierXidToWaitFor = -1; |
| 131 | private DriverState driverState; |
Jonathan Hart | cb34f38 | 2014-08-12 21:11:03 -0700 | [diff] [blame] | 132 | private final boolean usePipeline13; |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 133 | private SegmentRouterConfig srConfig; |
| 134 | private ConcurrentMap<Dpid, Set<PortNumber>> neighbors; |
| 135 | private ConcurrentMap<NeighborSet, EcmpInfo> ecmpGroups; |
| 136 | |
| 137 | |
Jonathan Hart | cb34f38 | 2014-08-12 21:11:03 -0700 | [diff] [blame] | 138 | |
| 139 | public OFSwitchImplCPqD13(OFDescStatsReply desc, boolean usePipeline13) { |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 140 | super(); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 141 | haltStateMachine = new AtomicBoolean(false); |
| 142 | driverState = DriverState.INIT; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 143 | driverHandshakeComplete = new AtomicBoolean(false); |
| 144 | l2groups = new ConcurrentHashMap<Integer, OFGroup>(); |
| 145 | setSwitchDescription(desc); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 146 | neighbors = new ConcurrentHashMap<Dpid, Set<PortNumber>>(); |
| 147 | ecmpGroups = new ConcurrentHashMap<NeighborSet, EcmpInfo>(); |
Jonathan Hart | cb34f38 | 2014-08-12 21:11:03 -0700 | [diff] [blame] | 148 | this.usePipeline13 = usePipeline13; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 149 | } |
| 150 | |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 151 | // ***************************** |
| 152 | // OFSwitchImplBase |
| 153 | // ***************************** |
| 154 | |
| 155 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 156 | /* (non-Javadoc) |
| 157 | * @see java.lang.Object#toString() |
| 158 | */ |
| 159 | @Override |
| 160 | public String toString() { |
| 161 | return "OFSwitchImplCPqD13 [" + ((channel != null) |
| 162 | ? channel.getRemoteAddress() : "?") |
| 163 | + " DPID[" + ((stringId != null) ? stringId : "?") + "]]"; |
| 164 | } |
| 165 | |
| 166 | @Override |
| 167 | public void startDriverHandshake() throws IOException { |
| 168 | log.debug("Starting driver handshake for sw {}", getStringId()); |
| 169 | if (startDriverHandshakeCalled) { |
| 170 | throw new SwitchDriverSubHandshakeAlreadyStarted(); |
| 171 | } |
| 172 | startDriverHandshakeCalled = true; |
Jonathan Hart | a213bce | 2014-08-11 15:44:07 -0700 | [diff] [blame] | 173 | factory = getFactory(); |
Jonathan Hart | cb34f38 | 2014-08-12 21:11:03 -0700 | [diff] [blame] | 174 | if (!usePipeline13) { |
| 175 | // Send packet-in to controller if a packet misses the first table |
| 176 | populateTableMissEntry(0, true, false, false, 0); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 177 | driverHandshakeComplete.set(true); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 178 | } else { |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 179 | nextDriverState(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 180 | } |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 181 | } |
| 182 | |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 183 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 184 | @Override |
| 185 | public boolean isDriverHandshakeComplete() { |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 186 | if (!startDriverHandshakeCalled) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 187 | throw new SwitchDriverSubHandshakeNotStarted(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 188 | return driverHandshakeComplete.get(); |
| 189 | } |
| 190 | |
| 191 | @Override |
| 192 | public void processDriverHandshakeMessage(OFMessage m) { |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 193 | if (!startDriverHandshakeCalled) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 194 | throw new SwitchDriverSubHandshakeNotStarted(); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 195 | if (isDriverHandshakeComplete()) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 196 | throw new SwitchDriverSubHandshakeCompleted(m); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 197 | try { |
| 198 | processOFMessage(this, m); |
| 199 | } catch (IOException e) { |
| 200 | log.error("Error generated when processing OFMessage", e.getCause()); |
| 201 | } |
| 202 | } |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 203 | |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 204 | @Override |
| 205 | public String getSwitchDriverState() { |
| 206 | return driverState.toString(); |
| 207 | } |
| 208 | |
| 209 | // ***************************** |
| 210 | // Driver handshake state-machine |
| 211 | // ***************************** |
| 212 | |
| 213 | enum DriverState { |
| 214 | INIT, |
| 215 | SET_TABLE_MISS_ENTRIES, |
| 216 | SET_TABLE_VLAN_TMAC, |
| 217 | SET_GROUPS, |
| 218 | VERIFY_GROUPS, |
| 219 | SET_ADJACENCY_LABELS, |
| 220 | EXIT |
| 221 | } |
| 222 | |
| 223 | protected void nextDriverState() throws IOException { |
| 224 | DriverState currentState = driverState; |
| 225 | if (haltStateMachine.get()) |
| 226 | return; |
| 227 | switch (currentState) { |
| 228 | case INIT: |
| 229 | driverState = DriverState.SET_TABLE_MISS_ENTRIES; |
| 230 | setTableMissEntries(); |
| 231 | sendBarrier(); |
| 232 | break; |
| 233 | case SET_TABLE_MISS_ENTRIES: |
| 234 | driverState = DriverState.SET_TABLE_VLAN_TMAC; |
| 235 | getNetworkConfig(); |
| 236 | populateTableVlan(); |
| 237 | populateTableTMac(); |
| 238 | sendBarrier(); |
| 239 | break; |
| 240 | case SET_TABLE_VLAN_TMAC: |
| 241 | driverState = DriverState.SET_GROUPS; |
| 242 | createGroups(); |
| 243 | sendBarrier(); |
| 244 | break; |
| 245 | case SET_GROUPS: |
| 246 | driverState = DriverState.VERIFY_GROUPS; |
| 247 | verifyGroups(); |
| 248 | break; |
| 249 | case VERIFY_GROUPS: |
| 250 | driverState = DriverState.SET_ADJACENCY_LABELS; |
| 251 | assignAdjacencyLabels(); |
| 252 | break; |
| 253 | case SET_ADJACENCY_LABELS: |
| 254 | driverState = DriverState.EXIT; |
| 255 | driverHandshakeComplete.set(true); |
| 256 | break; |
| 257 | case EXIT: |
| 258 | default: |
| 259 | driverState = DriverState.EXIT; |
| 260 | log.error("Driver handshake has exited for sw: {}", getStringId()); |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | void processOFMessage(IOFSwitch sw, OFMessage m) throws IOException { |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 265 | switch (m.getType()) { |
| 266 | case BARRIER_REPLY: |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 267 | processBarrierReply(m); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 268 | break; |
| 269 | |
| 270 | case ERROR: |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 271 | processErrorMessage(m); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 272 | break; |
| 273 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 274 | case GET_ASYNC_REPLY: |
| 275 | OFAsyncGetReply asrep = (OFAsyncGetReply) m; |
| 276 | decodeAsyncGetReply(asrep); |
| 277 | break; |
| 278 | |
| 279 | case PACKET_IN: |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 280 | // not ready to handle packet-ins |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 281 | break; |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 282 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 283 | case QUEUE_GET_CONFIG_REPLY: |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 284 | // not doing queue config yet |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 285 | break; |
| 286 | |
| 287 | case STATS_REPLY: |
| 288 | processStatsReply((OFStatsReply) m); |
| 289 | break; |
| 290 | |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 291 | case ROLE_REPLY: // channelHandler should handle this |
| 292 | case PORT_STATUS: // channelHandler should handle this |
| 293 | case FEATURES_REPLY: // don't care |
| 294 | case FLOW_REMOVED: // don't care |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 295 | default: |
| 296 | log.debug("Received message {} during switch-driver subhandshake " |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 297 | + "from switch {} ... Ignoring message", m, sw.getStringId()); |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | private void processStatsReply(OFStatsReply sr) { |
| 302 | switch (sr.getStatsType()) { |
| 303 | case AGGREGATE: |
| 304 | break; |
| 305 | case DESC: |
| 306 | break; |
| 307 | case EXPERIMENTER: |
| 308 | break; |
| 309 | case FLOW: |
| 310 | break; |
| 311 | case GROUP_DESC: |
| 312 | processGroupDesc((OFGroupDescStatsReply) sr); |
| 313 | break; |
| 314 | case GROUP_FEATURES: |
| 315 | processGroupFeatures((OFGroupFeaturesStatsReply) sr); |
| 316 | break; |
| 317 | case METER_CONFIG: |
| 318 | break; |
| 319 | case METER_FEATURES: |
| 320 | break; |
| 321 | case PORT_DESC: |
| 322 | break; |
| 323 | case TABLE_FEATURES: |
| 324 | break; |
| 325 | default: |
| 326 | break; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 327 | |
| 328 | } |
| 329 | } |
| 330 | |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 331 | private void processErrorMessage(OFMessage m) { |
| 332 | log.error("Switch {} Error {} in DriverState", getStringId(), |
| 333 | (OFErrorMsg) m, driverState); |
| 334 | } |
| 335 | |
| 336 | private void processBarrierReply(OFMessage m) throws IOException { |
| 337 | if (m.getXid() == barrierXidToWaitFor) { |
| 338 | // Driver state-machine progresses to the next state. |
| 339 | // If Barrier messages is not received, then eventually |
| 340 | // the ChannelHandler state machine will timeout, and the switch |
| 341 | // will be disconnected. |
| 342 | nextDriverState(); |
| 343 | } else { |
| 344 | log.error("Received incorrect barrier-message xid {} (expected: {}) in " |
| 345 | + "switch-driver state {} for switch {}", m, barrierXidToWaitFor, |
| 346 | driverState, getStringId()); |
| 347 | } |
| 348 | } |
| 349 | |
| 350 | private void processGroupDesc(OFGroupDescStatsReply gdsr) { |
| 351 | log.info("Sw: {} Group Desc {}", getStringId(), gdsr); |
| 352 | try { |
| 353 | nextDriverState(); |
| 354 | } catch (IOException e) { |
| 355 | // TODO Auto-generated catch block |
| 356 | e.printStackTrace(); |
| 357 | } |
| 358 | } |
| 359 | |
| 360 | // ***************************** |
| 361 | // Utility methods |
| 362 | // ***************************** |
| 363 | |
| 364 | void setTableMissEntries() throws IOException { |
| 365 | // set all table-miss-entries |
| 366 | populateTableMissEntry(TABLE_VLAN, true, false, false, -1); |
| 367 | populateTableMissEntry(TABLE_TMAC, true, false, false, -1); |
| 368 | populateTableMissEntry(TABLE_IPv4_UNICAST, false, true, true, |
| 369 | TABLE_ACL); |
| 370 | populateTableMissEntry(TABLE_MPLS, false, true, true, |
| 371 | TABLE_ACL); |
| 372 | populateTableMissEntry(TABLE_ACL, false, false, false, -1); |
| 373 | } |
| 374 | |
| 375 | private void sendBarrier() throws IOException { |
| 376 | long xid = getNextTransactionId(); |
| 377 | barrierXidToWaitFor = xid; |
| 378 | OFBarrierRequest br = getFactory() |
| 379 | .buildBarrierRequest() |
| 380 | .setXid(xid) |
| 381 | .build(); |
| 382 | write(br, null); |
| 383 | } |
| 384 | |
| 385 | /** |
| 386 | * Adds a table-miss-entry to a pipeline table. |
| 387 | * <p> |
| 388 | * The table-miss-entry can be added with 'write-actions' or |
| 389 | * 'apply-actions'. It can also add a 'goto-table' instruction. By default |
| 390 | * if none of the booleans in the call are set, then the table-miss entry is |
| 391 | * added with no instructions, which means that if a packet hits the |
| 392 | * table-miss-entry, pipeline execution will stop, and the action set |
| 393 | * associated with the packet will be executed. |
| 394 | * |
| 395 | * @param tableToAdd the table to where the table-miss-entry will be added |
| 396 | * @param toControllerNow as an APPLY_ACTION instruction |
| 397 | * @param toControllerWrite as a WRITE_ACTION instruction |
| 398 | * @param toTable as a GOTO_TABLE instruction |
| 399 | * @param tableToSend the table to send as per the GOTO_TABLE instruction it |
| 400 | * needs to be set if 'toTable' is true. Ignored of 'toTable' is |
| 401 | * false. |
| 402 | * @throws IOException |
| 403 | */ |
| 404 | @SuppressWarnings("unchecked") |
| 405 | private void populateTableMissEntry(int tableToAdd, boolean toControllerNow, |
| 406 | boolean toControllerWrite, |
| 407 | boolean toTable, int tableToSend) throws IOException { |
| 408 | OFOxmList oxmList = OFOxmList.EMPTY; |
| 409 | OFMatchV3 match = factory.buildMatchV3() |
| 410 | .setOxmList(oxmList) |
| 411 | .build(); |
| 412 | OFAction outc = factory.actions() |
| 413 | .buildOutput() |
| 414 | .setPort(OFPort.CONTROLLER) |
| 415 | .setMaxLen(OFPCML_NO_BUFFER) |
| 416 | .build(); |
| 417 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 418 | if (toControllerNow) { |
| 419 | // table-miss instruction to send to controller immediately |
| 420 | OFInstruction instr = factory.instructions() |
| 421 | .buildApplyActions() |
| 422 | .setActions(Collections.singletonList(outc)) |
| 423 | .build(); |
| 424 | instructions.add(instr); |
| 425 | } |
| 426 | |
| 427 | if (toControllerWrite) { |
| 428 | // table-miss instruction to write-action to send to controller |
| 429 | // this will be executed whenever the action-set gets executed |
| 430 | OFInstruction instr = factory.instructions() |
| 431 | .buildWriteActions() |
| 432 | .setActions(Collections.singletonList(outc)) |
| 433 | .build(); |
| 434 | instructions.add(instr); |
| 435 | } |
| 436 | |
| 437 | if (toTable) { |
| 438 | // table-miss instruction to goto-table x |
| 439 | OFInstruction instr = factory.instructions() |
| 440 | .gotoTable(TableId.of(tableToSend)); |
| 441 | instructions.add(instr); |
| 442 | } |
| 443 | |
| 444 | if (!toControllerNow && !toControllerWrite && !toTable) { |
| 445 | // table-miss has no instruction - at which point action-set will be |
| 446 | // executed - if there is an action to output/group in the action |
| 447 | // set |
| 448 | // the packet will be sent there, otherwise it will be dropped. |
| 449 | instructions = (List<OFInstruction>) Collections.EMPTY_LIST; |
| 450 | } |
| 451 | |
| 452 | OFMessage tableMissEntry = factory.buildFlowAdd() |
| 453 | .setTableId(TableId.of(tableToAdd)) |
| 454 | .setMatch(match) // match everything |
| 455 | .setInstructions(instructions) |
| 456 | .setPriority(MIN_PRIORITY) |
| 457 | .setBufferId(OFBufferId.NO_BUFFER) |
| 458 | .setIdleTimeout(0) |
| 459 | .setHardTimeout(0) |
| 460 | .setXid(getNextTransactionId()) |
| 461 | .build(); |
| 462 | write(tableMissEntry, null); |
| 463 | } |
| 464 | |
| 465 | private void getNetworkConfig() { |
| 466 | INetworkConfigService ncs = floodlightProvider.getNetworkConfigService(); |
| 467 | SwitchConfigStatus scs = ncs.checkSwitchConfig(new Dpid(getId())); |
| 468 | if (scs.getConfigState() == NetworkConfigState.ACCEPT_ADD) { |
| 469 | srConfig = (SegmentRouterConfig) scs.getSwitchConfig(); |
| 470 | } else { |
| 471 | log.error("Switch not configured as Segment-Router"); |
| 472 | } |
| 473 | |
| 474 | List<LinkConfig> linkConfigList = ncs.getConfiguredAllowedLinks(); |
| 475 | setNeighbors(linkConfigList); |
| 476 | } |
| 477 | |
| 478 | private void populateTableVlan() throws IOException { |
| 479 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 480 | for (OFPortDesc p : getPorts()) { |
| 481 | int pnum = p.getPortNo().getPortNumber(); |
| 482 | if (U32.of(pnum).compareTo(U32.of(OFPort.MAX.getPortNumber())) < 1) { |
| 483 | OFOxmInPort oxp = factory.oxms().inPort(p.getPortNo()); |
| 484 | OFOxmVlanVid oxv = factory.oxms() |
| 485 | .vlanVid(OFVlanVidMatch.UNTAGGED); |
| 486 | OFOxmList oxmList = OFOxmList.of(oxp, oxv); |
| 487 | OFMatchV3 match = factory.buildMatchV3() |
| 488 | .setOxmList(oxmList).build(); |
| 489 | |
| 490 | // TODO: match on vlan-tagged packets for vlans configured on |
| 491 | // subnet ports and strip-vlan |
| 492 | |
| 493 | // Do not need to add vlans |
| 494 | /*int vlanid = getVlanConfig(pnum); |
| 495 | OFOxmVlanVid vidToSet = factory.oxms() |
| 496 | .vlanVid(OFVlanVidMatch.ofVlan(vlanid)); |
| 497 | OFAction pushVlan = factory.actions().pushVlan(EthType.VLAN_FRAME); |
| 498 | OFAction setVlan = factory.actions().setField(vidToSet); |
| 499 | List<OFAction> actionlist = new ArrayList<OFAction>(); |
| 500 | actionlist.add(pushVlan); |
| 501 | actionlist.add(setVlan); |
| 502 | OFInstruction appAction = factory.instructions().buildApplyActions() |
| 503 | .setActions(actionlist).build();*/ |
| 504 | |
| 505 | OFInstruction gotoTbl = factory.instructions().buildGotoTable() |
| 506 | .setTableId(TableId.of(TABLE_TMAC)).build(); |
| 507 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 508 | // instructions.add(appAction); |
| 509 | instructions.add(gotoTbl); |
| 510 | OFMessage flowEntry = factory.buildFlowAdd() |
| 511 | .setTableId(TableId.of(TABLE_VLAN)) |
| 512 | .setMatch(match) |
| 513 | .setInstructions(instructions) |
| 514 | .setPriority(1000) // does not matter - all rules |
| 515 | // exclusive |
| 516 | .setBufferId(OFBufferId.NO_BUFFER) |
| 517 | .setIdleTimeout(0) |
| 518 | .setHardTimeout(0) |
| 519 | .setXid(getNextTransactionId()) |
| 520 | .build(); |
| 521 | msglist.add(flowEntry); |
| 522 | } |
| 523 | } |
| 524 | write(msglist); |
| 525 | log.debug("Adding {} port/vlan-rules in sw {}", msglist.size(), getStringId()); |
| 526 | } |
| 527 | |
| 528 | private void populateTableTMac() throws IOException { |
| 529 | // match for router-mac and ip-packets |
| 530 | OFOxmEthType oxe = factory.oxms().ethType(EthType.IPv4); |
| 531 | OFOxmEthDst dmac = factory.oxms().ethDst(getRouterMacAddr()); |
| 532 | OFOxmList oxmListIp = OFOxmList.of(dmac, oxe); |
| 533 | OFMatchV3 matchIp = factory.buildMatchV3() |
| 534 | .setOxmList(oxmListIp).build(); |
| 535 | OFInstruction gotoTblIp = factory.instructions().buildGotoTable() |
| 536 | .setTableId(TableId.of(TABLE_IPv4_UNICAST)).build(); |
| 537 | List<OFInstruction> instructionsIp = Collections.singletonList(gotoTblIp); |
| 538 | OFMessage ipEntry = factory.buildFlowAdd() |
| 539 | .setTableId(TableId.of(TABLE_TMAC)) |
| 540 | .setMatch(matchIp) |
| 541 | .setInstructions(instructionsIp) |
| 542 | .setPriority(1000) // strict priority required lower than |
| 543 | // multicastMac |
| 544 | .setBufferId(OFBufferId.NO_BUFFER) |
| 545 | .setIdleTimeout(0) |
| 546 | .setHardTimeout(0) |
| 547 | .setXid(getNextTransactionId()) |
| 548 | .build(); |
| 549 | |
| 550 | // match for router-mac and mpls packets |
| 551 | OFOxmEthType oxmpls = factory.oxms().ethType(EthType.MPLS_UNICAST); |
| 552 | OFOxmList oxmListMpls = OFOxmList.of(dmac, oxmpls); |
| 553 | OFMatchV3 matchMpls = factory.buildMatchV3() |
| 554 | .setOxmList(oxmListMpls).build(); |
| 555 | OFInstruction gotoTblMpls = factory.instructions().buildGotoTable() |
| 556 | .setTableId(TableId.of(TABLE_MPLS)).build(); |
| 557 | List<OFInstruction> instructionsMpls = Collections.singletonList(gotoTblMpls); |
| 558 | OFMessage mplsEntry = factory.buildFlowAdd() |
| 559 | .setTableId(TableId.of(TABLE_TMAC)) |
| 560 | .setMatch(matchMpls) |
| 561 | .setInstructions(instructionsMpls) |
| 562 | .setPriority(1001) // strict priority required lower than |
| 563 | // multicastMac |
| 564 | .setBufferId(OFBufferId.NO_BUFFER) |
| 565 | .setIdleTimeout(0) |
| 566 | .setHardTimeout(0) |
| 567 | .setXid(getNextTransactionId()) |
| 568 | .build(); |
| 569 | |
| 570 | log.debug("Adding termination-mac-rules in sw {}", getStringId()); |
| 571 | List<OFMessage> msglist = new ArrayList<OFMessage>(2); |
| 572 | msglist.add(ipEntry); |
| 573 | msglist.add(mplsEntry); |
| 574 | write(msglist); |
| 575 | } |
| 576 | |
| 577 | private MacAddress getRouterMacAddr() { |
| 578 | if (srConfig != null) { |
| 579 | return MacAddress.of(srConfig.getRouterMac()); |
| 580 | } else { |
| 581 | // return a dummy mac address - it will not be used |
| 582 | return MacAddress.of("00:00:00:00:00:00"); |
| 583 | } |
| 584 | } |
| 585 | |
| 586 | private MacAddress getNeighborRouterMacAddress(Dpid ndpid) { |
| 587 | INetworkConfigService ncs = floodlightProvider.getNetworkConfigService(); |
| 588 | SwitchConfigStatus scs = ncs.checkSwitchConfig(ndpid); |
| 589 | if (scs.getConfigState() == NetworkConfigState.ACCEPT_ADD) { |
| 590 | return MacAddress.of(((SegmentRouterConfig) scs.getSwitchConfig()) |
| 591 | .getRouterMac()); |
| 592 | } else { |
| 593 | // return a dummy mac address - it will not be used |
| 594 | return MacAddress.of("00:00:00:00:00:00"); |
| 595 | } |
| 596 | } |
| 597 | |
| 598 | private void setNeighbors(List<LinkConfig> linkConfigList) { |
| 599 | List<PortNumber> portlist = new ArrayList<PortNumber>(); |
| 600 | for (LinkConfig lg : linkConfigList) { |
| 601 | if (!lg.getType().equals(NetworkConfigManager.PKT_LINK)) { |
| 602 | return; |
| 603 | } |
| 604 | PktLinkConfig plg = (PktLinkConfig) lg; |
| 605 | if (plg.getDpid1() == getId()) { |
| 606 | addNeighborAtPort(new Dpid(plg.getDpid2()), |
| 607 | PortNumber.uint32(plg.getPort1())); |
| 608 | } else if (plg.getDpid2() == getId()) { |
| 609 | addNeighborAtPort(new Dpid(plg.getDpid1()), |
| 610 | PortNumber.uint32(plg.getPort2())); |
| 611 | } |
| 612 | } |
| 613 | } |
| 614 | |
| 615 | private void addNeighborAtPort(Dpid neighborDpid, PortNumber portToNeighbor) { |
| 616 | if (neighbors.get(neighborDpid) != null) { |
| 617 | neighbors.get(neighborDpid).add(portToNeighbor); |
| 618 | } else { |
| 619 | Set<PortNumber> ports = new HashSet<PortNumber>(); |
| 620 | ports.add(portToNeighbor); |
| 621 | neighbors.put(neighborDpid, ports); |
| 622 | } |
| 623 | } |
| 624 | |
| 625 | /** |
| 626 | * createGroups creates ECMP groups for all ports on this router connected |
| 627 | * to other routers (in the OF network). The information for ports is |
| 628 | * gleaned from the configured links. If no links are configured no groups |
| 629 | * will be created, and it is up to the caller of the IOF13Switch API to |
| 630 | * create groups. |
| 631 | * <p> |
| 632 | * By default all ports connected to the same neighbor router will be part |
| 633 | * of the same ECMP group. In addition, groups will be created for all |
| 634 | * possible combinations of neighbor routers. |
| 635 | * <p> |
| 636 | * For example, consider this router (R0) connected to 3 neighbors (R1, R2, |
| 637 | * and R3). The following groups will be created in R0: |
| 638 | * <li>1) all ports to R1, |
| 639 | * <li>2) all ports to R2, |
| 640 | * <li>3) all ports to R3, |
| 641 | * <li>4) all ports to R1 and R2 |
| 642 | * <li>5) all ports to R1 and R3 |
| 643 | * <li>6) all ports to R2 and R3 |
| 644 | * <li>7) all ports to R1, R2, and R3 |
| 645 | */ |
| 646 | private void createGroups() { |
| 647 | Set<Dpid> dpids = neighbors.keySet(); |
| 648 | if (dpids == null || dpids.isEmpty()) { |
| 649 | return; |
| 650 | } |
| 651 | // temp map of ecmp groupings |
| 652 | /* Map<NeighborSet, List<BucketInfo>> temp = |
| 653 | new HashMap<NeighborSet, List<BucketInfo>>(); |
| 654 | */ |
| 655 | // get all combinations of neighbors |
| 656 | Set<Set<Dpid>> powerSet = Sets.powerSet(dpids); |
| 657 | int groupid = 1; |
| 658 | for (Set<Dpid> combo : powerSet) { |
| 659 | if (combo.isEmpty()) { |
| 660 | // eliminate the empty set in the power set |
| 661 | continue; |
| 662 | } |
| 663 | List<BucketInfo> buckets = new ArrayList<BucketInfo>(); |
| 664 | NeighborSet ns = new NeighborSet(); |
| 665 | for (Dpid d : combo) { |
| 666 | ns.addDpid(d); |
| 667 | for (PortNumber sp : neighbors.get(d)) { |
| 668 | BucketInfo b = new BucketInfo(d, |
| 669 | MacAddress.of(srConfig.getRouterMac()), |
| 670 | getNeighborRouterMacAddress(d), sp); |
| 671 | buckets.add(b); |
| 672 | } |
| 673 | } |
| 674 | EcmpInfo ecmpInfo = new EcmpInfo(groupid++, buckets); |
| 675 | setEcmpGroup(ecmpInfo); |
| 676 | ecmpGroups.put(ns, ecmpInfo); |
| 677 | log.debug("Creating ecmp group in sw {}: {}", getStringId(), ecmpInfo); |
| 678 | } |
| 679 | } |
| 680 | |
| 681 | private class EcmpInfo { |
| 682 | int groupId; |
| 683 | List<BucketInfo> buckets; |
| 684 | |
| 685 | EcmpInfo(int gid, List<BucketInfo> bucketInfos) { |
| 686 | groupId = gid; |
| 687 | buckets = bucketInfos; |
| 688 | } |
| 689 | |
| 690 | @Override |
| 691 | public String toString() { |
| 692 | return "groupId: " + groupId + ", buckets: " + buckets; |
| 693 | } |
| 694 | } |
| 695 | |
| 696 | private class BucketInfo { |
| 697 | Dpid neighborDpid; |
| 698 | MacAddress srcMac; |
| 699 | MacAddress dstMac; |
| 700 | PortNumber outport; |
| 701 | |
| 702 | BucketInfo(Dpid nDpid, MacAddress smac, MacAddress dmac, PortNumber p) { |
| 703 | neighborDpid = nDpid; |
| 704 | srcMac = smac; |
| 705 | dstMac = dmac; |
| 706 | outport = p; |
| 707 | } |
| 708 | |
| 709 | @Override |
| 710 | public String toString() { |
| 711 | return " {neighborDpid: " + neighborDpid + ", dstMac: " + dstMac + |
| 712 | ", srcMac: " + srcMac + ", outport: " + outport + "}"; |
| 713 | } |
| 714 | } |
| 715 | |
| 716 | private void setEcmpGroup(EcmpInfo ecmpInfo) { |
| 717 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 718 | OFGroup group = OFGroup.of(ecmpInfo.groupId); |
| 719 | |
| 720 | List<OFBucket> buckets = new ArrayList<OFBucket>(); |
| 721 | for (BucketInfo b : ecmpInfo.buckets) { |
| 722 | OFOxmEthDst dmac = factory.oxms() |
| 723 | .ethDst(b.dstMac); |
| 724 | OFAction setDA = factory.actions().buildSetField() |
| 725 | .setField(dmac).build(); |
Saurav Das | 0a344b0 | 2014-09-26 14:18:52 -0700 | [diff] [blame] | 726 | OFOxmEthSrc smac = factory.oxms() |
| 727 | .ethSrc(b.srcMac); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 728 | OFAction setSA = factory.actions().buildSetField() |
| 729 | .setField(smac).build(); |
| 730 | OFAction outp = factory.actions().buildOutput() |
| 731 | .setPort(OFPort.of(b.outport.shortValue())) |
| 732 | .build(); |
| 733 | List<OFAction> actions = new ArrayList<OFAction>(); |
| 734 | actions.add(setSA); |
| 735 | actions.add(setDA); |
| 736 | actions.add(outp); |
| 737 | OFBucket ofb = factory.buildBucket() |
| 738 | .setWeight(1) |
| 739 | .setActions(actions) |
| 740 | .build(); |
| 741 | buckets.add(ofb); |
| 742 | } |
| 743 | |
| 744 | OFMessage gm = factory.buildGroupAdd() |
| 745 | .setGroup(group) |
| 746 | .setBuckets(buckets) |
| 747 | .setGroupType(OFGroupType.SELECT) |
| 748 | .setXid(getNextTransactionId()) |
| 749 | .build(); |
| 750 | msglist.add(gm); |
| 751 | try { |
| 752 | write(msglist); |
| 753 | } catch (IOException e) { |
| 754 | // TODO Auto-generated catch block |
| 755 | e.printStackTrace(); |
| 756 | } |
| 757 | } |
| 758 | |
| 759 | private void verifyGroups() throws IOException { |
| 760 | sendGroupDescRequest(); |
| 761 | } |
| 762 | |
| 763 | private void sendGroupDescRequest() throws IOException { |
| 764 | OFMessage gdr = factory.buildGroupDescStatsRequest() |
| 765 | .setXid(getNextTransactionId()) |
| 766 | .build(); |
| 767 | write(gdr, null); |
| 768 | } |
| 769 | |
| 770 | private void assignAdjacencyLabels() { |
| 771 | // TODO |
| 772 | try { |
| 773 | nextDriverState(); |
| 774 | } catch (IOException e) { |
| 775 | // TODO Auto-generated catch block |
| 776 | e.printStackTrace(); |
| 777 | } |
| 778 | } |
| 779 | |
Saurav Das | 1cd1015 | 2014-09-26 09:38:07 -0700 | [diff] [blame] | 780 | private OFAction getOFAction(Action action) { |
| 781 | OFAction ofAction = null; |
| 782 | if (action instanceof OutputAction) { |
| 783 | OutputAction outputAction = (OutputAction) action; |
| 784 | OFPort port = OFPort.of((int) outputAction.getPortNumber().value()); |
| 785 | ofAction = factory.actions().output(port, Short.MAX_VALUE); |
| 786 | } else if (action instanceof ModifyDstMacAction) { |
| 787 | long dstMac = ((ModifyDstMacAction) action).getDstMac().toLong(); |
| 788 | OFOxmEthDst dmac = factory.oxms() |
| 789 | .ethDst(MacAddress.of(dstMac)); |
| 790 | ofAction = factory.actions().buildSetField() |
| 791 | .setField(dmac).build(); |
| 792 | } else if (action instanceof ModifySrcMacAction) { |
| 793 | long srcMac = ((ModifySrcMacAction) action).getSrcMac().toLong(); |
| 794 | OFOxmEthSrc smac = factory.oxms() |
| 795 | .ethSrc(MacAddress.of(srcMac)); |
| 796 | ofAction = factory.actions().buildSetField() |
| 797 | .setField(smac).build(); |
| 798 | } else if (action instanceof PushMplsAction) { |
| 799 | ofAction = factory.actions().pushMpls(EthType.MPLS_UNICAST); |
| 800 | } else if (action instanceof SetMplsIdAction) { |
| 801 | int labelid = ((SetMplsIdAction) action).getMplsId(); |
| 802 | OFOxmMplsLabel lid = factory.oxms() |
| 803 | .mplsLabel(U32.of(labelid)); |
| 804 | ofAction = factory.actions().buildSetField() |
| 805 | .setField(lid).build(); |
| 806 | } else if (action instanceof PopMplsAction) { |
| 807 | EthType ethertype = ((PopMplsAction) action).getEthType(); |
| 808 | ofAction = factory.actions().popMpls(ethertype); |
| 809 | } else if (action instanceof GroupAction) { |
| 810 | NeighborSet ns = ((GroupAction) action).getDpids(); |
| 811 | EcmpInfo ei = ecmpGroups.get(ns); |
| 812 | if (ei != null) { |
| 813 | int gid = ei.groupId; |
| 814 | ofAction = factory.actions().buildGroup() |
| 815 | .setGroup(OFGroup.of(gid)) |
| 816 | .build(); |
| 817 | } else { |
| 818 | log.error("Unable to find ecmp group for neighbors {} at " |
| 819 | + "switch {}", ns, getStringId()); |
| 820 | } |
| 821 | } else if (action instanceof DecNwTtlAction) { |
| 822 | ofAction = factory.actions().decNwTtl(); |
| 823 | } else if (action instanceof DecMplsTtlAction) { |
| 824 | ofAction = factory.actions().decMplsTtl(); |
| 825 | } else if (action instanceof CopyTtlInAction) { |
| 826 | ofAction = factory.actions().copyTtlIn(); |
| 827 | } else if (action instanceof CopyTtlOutAction) { |
| 828 | ofAction = factory.actions().copyTtlOut(); |
| 829 | } else { |
| 830 | log.warn("Unsupported Action type: {}", action.getClass().getName()); |
| 831 | return null; |
| 832 | } |
| 833 | |
| 834 | // not supported by loxigen |
| 835 | // OFAction setBos = |
| 836 | // factory.actions().buildSetField().setField(bos).build(); |
| 837 | |
| 838 | return ofAction; |
| 839 | } |
| 840 | |
Saurav Das | 0a344b0 | 2014-09-26 14:18:52 -0700 | [diff] [blame] | 841 | private OFMessage getIpEntry(MatchActionOperationEntry mao) { |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 842 | MatchAction ma = mao.getTarget(); |
| 843 | Operator op = mao.getOperator(); |
| 844 | Ipv4Match ipm = (Ipv4Match) ma.getMatch(); |
| 845 | |
| 846 | // set match |
| 847 | IPv4Net ipdst = ipm.getDestination(); |
| 848 | OFOxmEthType ethTypeIp = factory.oxms() |
| 849 | .ethType(EthType.IPv4); |
| 850 | OFOxmIpv4DstMasked ipPrefix = factory.oxms() |
| 851 | .ipv4DstMasked( |
| 852 | IPv4Address.of(ipdst.address().value()), |
| 853 | IPv4Address.ofCidrMaskLength(ipdst.prefixLen()) |
| 854 | ); |
| 855 | OFOxmList oxmList = OFOxmList.of(ethTypeIp, ipPrefix); |
| 856 | OFMatchV3 match = factory.buildMatchV3() |
| 857 | .setOxmList(oxmList).build(); |
| 858 | |
| 859 | // set actions |
| 860 | List<OFAction> writeActions = new ArrayList<OFAction>(); |
| 861 | for (Action action : ma.getActions()) { |
Saurav Das | 1cd1015 | 2014-09-26 09:38:07 -0700 | [diff] [blame] | 862 | OFAction ofAction = getOFAction(action); |
| 863 | if (ofAction != null) { |
| 864 | writeActions.add(ofAction); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 865 | } |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 866 | } |
| 867 | |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 868 | // set instructions |
| 869 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 870 | .setActions(writeActions).build(); |
| 871 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 872 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 873 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 874 | instructions.add(writeInstr); |
| 875 | instructions.add(gotoInstr); |
| 876 | |
Saurav Das | 1cd1015 | 2014-09-26 09:38:07 -0700 | [diff] [blame] | 877 | // set flow priority to emulate longest prefix match |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 878 | int priority = ipdst.prefixLen() * PRIORITY_MULTIPLIER; |
| 879 | if (ipdst.prefixLen() == (short) 32) { |
| 880 | priority = MAX_PRIORITY; |
| 881 | } |
| 882 | |
Saurav Das | bc594a4 | 2014-09-25 20:13:50 -0700 | [diff] [blame] | 883 | // set flow-mod |
| 884 | OFMessage ipFlow = null; |
| 885 | if (op == MatchActionOperations.Operator.ADD) { |
| 886 | ipFlow = factory.buildFlowAdd() |
| 887 | .setTableId(TableId.of(TABLE_IPv4_UNICAST)) |
| 888 | .setMatch(match) |
| 889 | .setInstructions(instructions) |
| 890 | .setPriority(priority) |
| 891 | .setBufferId(OFBufferId.NO_BUFFER) |
| 892 | .setIdleTimeout(0) |
| 893 | .setHardTimeout(0) |
| 894 | .setXid(getNextTransactionId()) |
| 895 | .build(); |
| 896 | } else { |
| 897 | ipFlow = factory.buildFlowDeleteStrict() |
| 898 | .setTableId(TableId.of(TABLE_IPv4_UNICAST)) |
| 899 | .setMatch(match) |
| 900 | .setInstructions(instructions) |
| 901 | .setPriority(priority) |
| 902 | .setBufferId(OFBufferId.NO_BUFFER) |
| 903 | .setIdleTimeout(0) |
| 904 | .setHardTimeout(0) |
| 905 | .setXid(getNextTransactionId()) |
| 906 | .build(); |
| 907 | } |
Saurav Das | bc594a4 | 2014-09-25 20:13:50 -0700 | [diff] [blame] | 908 | log.debug("{} ip-rule {}-{} in sw {}", |
| 909 | (op == MatchActionOperations.Operator.ADD) ? "Adding" : "Deleting", |
| 910 | match, writeActions, |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 911 | getStringId()); |
Saurav Das | 0a344b0 | 2014-09-26 14:18:52 -0700 | [diff] [blame] | 912 | return ipFlow; |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 913 | } |
| 914 | |
Saurav Das | 0a344b0 | 2014-09-26 14:18:52 -0700 | [diff] [blame] | 915 | private OFMessage getMplsEntry(MatchActionOperationEntry mao) { |
Saurav Das | 1cd1015 | 2014-09-26 09:38:07 -0700 | [diff] [blame] | 916 | MatchAction ma = mao.getTarget(); |
| 917 | Operator op = mao.getOperator(); |
| 918 | MplsMatch mplsm = (MplsMatch) ma.getMatch(); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 919 | |
Saurav Das | 1cd1015 | 2014-09-26 09:38:07 -0700 | [diff] [blame] | 920 | // set match |
| 921 | OFOxmEthType ethTypeMpls = factory.oxms() |
| 922 | .ethType(EthType.MPLS_UNICAST); |
| 923 | OFOxmMplsLabel labelid = factory.oxms() |
| 924 | .mplsLabel(U32.of(mplsm.getMplsLabel())); |
| 925 | OFOxmList oxmList = OFOxmList.of(ethTypeMpls, labelid); |
| 926 | OFMatchV3 matchlabel = factory.buildMatchV3() |
| 927 | .setOxmList(oxmList).build(); |
| 928 | |
| 929 | // set actions |
| 930 | List<OFAction> writeActions = new ArrayList<OFAction>(); |
| 931 | for (Action action : ma.getActions()) { |
| 932 | OFAction ofAction = getOFAction(action); |
| 933 | if (ofAction != null) { |
| 934 | writeActions.add(ofAction); |
| 935 | } |
| 936 | } |
| 937 | |
| 938 | // set instructions |
| 939 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 940 | .setActions(writeActions).build(); |
| 941 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 942 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 943 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 944 | instructions.add(writeInstr); |
| 945 | instructions.add(gotoInstr); |
| 946 | |
| 947 | OFMessage mplsFlow = null; |
| 948 | if (op == MatchActionOperations.Operator.ADD) { |
| 949 | mplsFlow = factory.buildFlowAdd() |
| 950 | .setTableId(TableId.of(TABLE_MPLS)) |
| 951 | .setMatch(matchlabel) |
| 952 | .setInstructions(instructions) |
| 953 | .setPriority(MAX_PRIORITY) // exact match and exclusive |
| 954 | .setBufferId(OFBufferId.NO_BUFFER) |
| 955 | .setIdleTimeout(0) |
| 956 | .setHardTimeout(0) |
| 957 | .setXid(getNextTransactionId()) |
| 958 | .build(); |
| 959 | } else { |
| 960 | mplsFlow = factory.buildFlowDeleteStrict() |
| 961 | .setTableId(TableId.of(TABLE_MPLS)) |
| 962 | .setMatch(matchlabel) |
| 963 | .setInstructions(instructions) |
| 964 | .setPriority(MAX_PRIORITY) // exact match and exclusive |
| 965 | .setBufferId(OFBufferId.NO_BUFFER) |
| 966 | .setIdleTimeout(0) |
| 967 | .setHardTimeout(0) |
| 968 | .setXid(getNextTransactionId()) |
| 969 | .build(); |
| 970 | } |
Saurav Das | 1cd1015 | 2014-09-26 09:38:07 -0700 | [diff] [blame] | 971 | log.debug("{} mpls-rule {}-{} in sw {}", |
| 972 | (op == MatchActionOperations.Operator.ADD) ? "Adding" : "Deleting", |
| 973 | matchlabel, writeActions, |
| 974 | getStringId()); |
Saurav Das | 0a344b0 | 2014-09-26 14:18:52 -0700 | [diff] [blame] | 975 | return mplsFlow; |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 976 | } |
| 977 | |
Saurav Das | 0a344b0 | 2014-09-26 14:18:52 -0700 | [diff] [blame] | 978 | private OFMessage getAclEntry(MatchActionOperationEntry mao) { |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 979 | |
Saurav Das | 0a344b0 | 2014-09-26 14:18:52 -0700 | [diff] [blame] | 980 | OFMessage aclFlow = null; |
| 981 | return aclFlow; |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 982 | } |
| 983 | |
| 984 | // ***************************** |
| 985 | // IOF13Switch |
| 986 | // ***************************** |
| 987 | |
| 988 | @Override |
| 989 | public void pushFlow(MatchActionOperationEntry matchActionOp) throws IOException { |
Saurav Das | 0a344b0 | 2014-09-26 14:18:52 -0700 | [diff] [blame] | 990 | OFMessage ofm = getFlow(matchActionOp); |
| 991 | if (ofm != null) { |
| 992 | write(Collections.singletonList(ofm)); |
| 993 | } |
| 994 | } |
| 995 | |
| 996 | private OFMessage getFlow(MatchActionOperationEntry matchActionOp) { |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 997 | final MatchAction matchAction = matchActionOp.getTarget(); |
| 998 | final Match match = matchAction.getMatch(); |
| 999 | if (match instanceof Ipv4Match) { |
Saurav Das | 0a344b0 | 2014-09-26 14:18:52 -0700 | [diff] [blame] | 1000 | return getIpEntry(matchActionOp); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 1001 | } else if (match instanceof MplsMatch) { |
Saurav Das | 0a344b0 | 2014-09-26 14:18:52 -0700 | [diff] [blame] | 1002 | return getMplsEntry(matchActionOp); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 1003 | } else if (match instanceof PacketMatch) { |
Saurav Das | 0a344b0 | 2014-09-26 14:18:52 -0700 | [diff] [blame] | 1004 | return getAclEntry(matchActionOp); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 1005 | } else { |
| 1006 | log.error("Unknown match type {} pushed to switch {}", match, |
| 1007 | getStringId()); |
| 1008 | } |
Saurav Das | 0a344b0 | 2014-09-26 14:18:52 -0700 | [diff] [blame] | 1009 | return null; |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 1010 | } |
| 1011 | |
| 1012 | @Override |
| 1013 | public void pushFlows(Collection<MatchActionOperationEntry> matchActionOps) |
| 1014 | throws IOException { |
Saurav Das | 0a344b0 | 2014-09-26 14:18:52 -0700 | [diff] [blame] | 1015 | List<OFMessage> flowMods = new ArrayList<OFMessage>(); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 1016 | for (MatchActionOperationEntry matchActionOp : matchActionOps) { |
Saurav Das | 0a344b0 | 2014-09-26 14:18:52 -0700 | [diff] [blame] | 1017 | OFMessage ofm = getFlow(matchActionOp); |
| 1018 | if (ofm != null) { |
| 1019 | flowMods.add(ofm); |
| 1020 | } |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 1021 | } |
Saurav Das | 0a344b0 | 2014-09-26 14:18:52 -0700 | [diff] [blame] | 1022 | write(flowMods); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 1023 | } |
| 1024 | |
| 1025 | @Override |
| 1026 | public int getEcmpGroupId(NeighborSet ns) { |
| 1027 | EcmpInfo ei = ecmpGroups.get(ns); |
| 1028 | if (ei == null) { |
| 1029 | return -1; |
| 1030 | } else { |
| 1031 | return ei.groupId; |
| 1032 | } |
| 1033 | } |
| 1034 | |
| 1035 | // ***************************** |
| 1036 | // Old Hardcoded Stuff |
| 1037 | // ***************************** |
| 1038 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1039 | private void configureSwitch() throws IOException { |
| 1040 | // setAsyncConfig(); |
| 1041 | // getTableFeatures(); |
| 1042 | sendGroupFeaturesRequest(); |
| 1043 | setL2Groups(); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 1044 | sendBarrier(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1045 | setL3Groups(); |
| 1046 | setL25Groups(); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 1047 | // setEcmpGroup(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1048 | sendGroupDescRequest(); |
| 1049 | populateTableVlan(); |
| 1050 | populateTableTMac(); |
| 1051 | populateIpTable(); |
| 1052 | populateMplsTable(); |
| 1053 | populateTableMissEntry(TABLE_ACL, false, false, false, -1); |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 1054 | sendBarrier(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1055 | } |
| 1056 | |
| 1057 | private void setAsyncConfig() throws IOException { |
| 1058 | List<OFMessage> msglist = new ArrayList<OFMessage>(3); |
| 1059 | OFMessage setAC = null; |
| 1060 | |
| 1061 | if (role == Role.MASTER) { |
| 1062 | setAC = factory.buildAsyncSet() |
| 1063 | .setFlowRemovedMaskEqualMaster(SET_FLOW_REMOVED_MASK_MASTER) |
| 1064 | .setPacketInMaskEqualMaster(SET_PACKET_IN_MASK_MASTER) |
| 1065 | .setPortStatusMaskEqualMaster(SET_PORT_STATUS_MASK_MASTER) |
| 1066 | .setFlowRemovedMaskSlave(SET_ALL_SLAVE) |
| 1067 | .setPacketInMaskSlave(SET_ALL_SLAVE) |
| 1068 | .setPortStatusMaskSlave(SET_ALL_SLAVE) |
| 1069 | .setXid(getNextTransactionId()) |
| 1070 | .build(); |
| 1071 | } else if (role == Role.EQUAL) { |
| 1072 | setAC = factory.buildAsyncSet() |
| 1073 | .setFlowRemovedMaskEqualMaster(SET_FLOW_REMOVED_MASK_EQUAL) |
| 1074 | .setPacketInMaskEqualMaster(SET_PACKET_IN_MASK_EQUAL) |
| 1075 | .setPortStatusMaskEqualMaster(SET_PORT_STATUS_MASK_EQUAL) |
| 1076 | .setFlowRemovedMaskSlave(SET_ALL_SLAVE) |
| 1077 | .setPacketInMaskSlave(SET_ALL_SLAVE) |
| 1078 | .setPortStatusMaskSlave(SET_ALL_SLAVE) |
| 1079 | .setXid(getNextTransactionId()) |
| 1080 | .build(); |
| 1081 | } |
| 1082 | msglist.add(setAC); |
| 1083 | |
| 1084 | OFMessage br = factory.buildBarrierRequest() |
| 1085 | .setXid(getNextTransactionId()) |
| 1086 | .build(); |
| 1087 | msglist.add(br); |
| 1088 | |
| 1089 | OFMessage getAC = factory.buildAsyncGetRequest() |
| 1090 | .setXid(getNextTransactionId()) |
| 1091 | .build(); |
| 1092 | msglist.add(getAC); |
| 1093 | |
| 1094 | write(msglist); |
| 1095 | } |
| 1096 | |
| 1097 | private void decodeAsyncGetReply(OFAsyncGetReply rep) { |
| 1098 | long frm = rep.getFlowRemovedMaskEqualMaster(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1099 | long frs = rep.getFlowRemovedMaskSlave(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1100 | long pim = rep.getPacketInMaskEqualMaster(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1101 | long pis = rep.getPacketInMaskSlave(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1102 | long psm = rep.getPortStatusMaskEqualMaster(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1103 | long pss = rep.getPortStatusMaskSlave(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1104 | |
| 1105 | if (role == Role.MASTER || role == Role.EQUAL) { // should separate |
| 1106 | log.info("FRM:{}", HexString.toHexString((frm & TEST_FLOW_REMOVED_MASK))); |
| 1107 | log.info("PIM:{}", HexString.toHexString((pim & TEST_PACKET_IN_MASK))); |
| 1108 | log.info("PSM:{}", HexString.toHexString((psm & TEST_PORT_STATUS_MASK))); |
| 1109 | } |
| 1110 | |
| 1111 | } |
| 1112 | |
| 1113 | private void getTableFeatures() throws IOException { |
| 1114 | OFMessage gtf = factory.buildTableFeaturesStatsRequest() |
| 1115 | .setXid(getNextTransactionId()) |
| 1116 | .build(); |
| 1117 | write(gtf, null); |
| 1118 | } |
| 1119 | |
| 1120 | private void sendGroupFeaturesRequest() throws IOException { |
| 1121 | OFMessage gfr = factory.buildGroupFeaturesStatsRequest() |
| 1122 | .setXid(getNextTransactionId()) |
| 1123 | .build(); |
| 1124 | write(gfr, null); |
| 1125 | } |
| 1126 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1127 | |
| 1128 | /*Create L2 interface groups for all physical ports |
| 1129 | Naming convention followed is the same as OF-DPA spec |
| 1130 | eg. port 1 with allowed vlan 10, is enveloped in group with id, |
| 1131 | 0x0 00a 0001, where the uppermost 4 bits identify an L2 interface, |
| 1132 | the next 12 bits identify the vlan-id, and the lowermost 16 bits |
| 1133 | identify the port number.*/ |
| 1134 | private void setL2Groups() throws IOException { |
| 1135 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 1136 | for (OFPortDesc p : getPorts()) { |
| 1137 | int pnum = p.getPortNo().getPortNumber(); |
| 1138 | int portVlan = getVlanConfig(pnum); |
| 1139 | if (U32.of(pnum).compareTo(U32.of(OFPort.MAX.getPortNumber())) < 1) { |
| 1140 | OFGroup gl2 = OFGroup.of(pnum | (portVlan << VLAN_ID_OFFSET)); |
| 1141 | OFAction out = factory.actions().buildOutput() |
| 1142 | .setPort(p.getPortNo()).build(); |
| 1143 | OFAction popVlan = factory.actions().popVlan(); |
| 1144 | List<OFAction> actions = new ArrayList<OFAction>(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1145 | // actions.add(popVlan); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1146 | actions.add(out); |
| 1147 | OFBucket bucket = factory.buildBucket() |
| 1148 | .setActions(actions).build(); |
| 1149 | List<OFBucket> buckets = Collections.singletonList(bucket); |
| 1150 | OFMessage gmAdd = factory.buildGroupAdd() |
| 1151 | .setGroup(gl2) |
| 1152 | .setBuckets(buckets) |
| 1153 | .setGroupType(OFGroupType.INDIRECT) |
| 1154 | .setXid(getNextTransactionId()) |
| 1155 | .build(); |
| 1156 | msglist.add(gmAdd); |
| 1157 | l2groups.put(pnum, gl2); |
| 1158 | } |
| 1159 | } |
| 1160 | log.debug("Creating {} L2 groups in sw {}", msglist.size(), getStringId()); |
| 1161 | write(msglist); |
| 1162 | } |
| 1163 | |
| 1164 | private int getVlanConfig(int portnum) { |
| 1165 | int portVlan = 10 * portnum; |
| 1166 | if ((getId() == 0x1 && portnum == 6) || |
| 1167 | (getId() == 0x2) || |
| 1168 | (getId() == 0x3 && portnum == 2)) { |
| 1169 | portVlan = 192; // 0xc0 |
| 1170 | } |
| 1171 | return portVlan; |
| 1172 | } |
| 1173 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1174 | |
| 1175 | // only for ports connected to other routers |
| 1176 | private OFAction getDestAction(int portnum) { |
| 1177 | OFAction setDA = null; |
| 1178 | MacAddress dAddr = null; |
| 1179 | if (getId() == 0x1 && portnum == 6) { // connected to switch 2 |
| 1180 | dAddr = MacAddress.of("00:00:02:02:02:80"); |
| 1181 | } |
Saurav Das | df783ae | 2014-09-22 09:36:32 -0700 | [diff] [blame] | 1182 | if (getId() == 0x1 && portnum == 7) { // connected to switch 2 |
| 1183 | dAddr = MacAddress.of("00:00:02:02:02:80"); |
| 1184 | } |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1185 | if (getId() == 0x2) { |
| 1186 | if (portnum == 1) { // connected to sw 1 |
| 1187 | dAddr = MacAddress.of("00:00:01:01:01:80"); |
| 1188 | } else if (portnum == 2) { // connected to sw 3 |
| 1189 | dAddr = MacAddress.of("00:00:07:07:07:80"); |
| 1190 | } |
| 1191 | } |
| 1192 | if (getId() == 0x3) { |
| 1193 | if (portnum == 2) { // connected to switch 2 |
| 1194 | dAddr = MacAddress.of("00:00:02:02:02:80"); |
| 1195 | } |
| 1196 | } |
| 1197 | |
| 1198 | if (dAddr != null) { |
| 1199 | OFOxmEthDst dstAddr = factory.oxms().ethDst(dAddr); |
| 1200 | setDA = factory.actions().buildSetField() |
| 1201 | .setField(dstAddr).build(); |
| 1202 | } |
| 1203 | return setDA; |
| 1204 | } |
| 1205 | |
| 1206 | /* |
| 1207 | * L3 groups are created for all router ports and they all point to corresponding |
| 1208 | * L2 groups. Only the ports that connect to other routers will have the |
| 1209 | * DA set. |
| 1210 | */ |
| 1211 | private void setL3Groups() throws IOException { |
| 1212 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 1213 | for (OFGroup gl2 : l2groups.values()) { |
| 1214 | int gnum = gl2.getGroupNumber(); |
| 1215 | int portnum = gnum & 0x0000ffff; |
| 1216 | int vlanid = ((gnum & 0x0fff0000) >> VLAN_ID_OFFSET); |
| 1217 | MacAddress sAddr = getRouterMacAddr(); |
| 1218 | |
| 1219 | OFGroup gl3 = OFGroup.of(0x20000000 | portnum); |
| 1220 | OFAction group = factory.actions().buildGroup() |
| 1221 | .setGroup(gl2).build(); |
| 1222 | OFOxmEthSrc srcAddr = factory.oxms().ethSrc(sAddr); |
| 1223 | OFAction setSA = factory.actions().buildSetField() |
| 1224 | .setField(srcAddr).build(); |
| 1225 | OFOxmVlanVid vid = factory.oxms().vlanVid(OFVlanVidMatch.ofVlan(vlanid)); |
| 1226 | OFAction setVlan = factory.actions().buildSetField() |
| 1227 | .setField(vid).build(); |
| 1228 | OFAction decTtl = factory.actions().decNwTtl(); |
| 1229 | |
| 1230 | List<OFAction> actions = new ArrayList<OFAction>(); |
| 1231 | actions.add(decTtl); // decrement the IP TTL/do-checksum/check TTL |
| 1232 | // and MTU |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1233 | // actions.add(setVlan); // set the vlan-id of the exit-port (and |
| 1234 | // l2group) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1235 | actions.add(setSA); // set this routers mac address |
| 1236 | // make L3Unicast group setDA for known (configured) ports |
| 1237 | // that connect to other routers |
| 1238 | OFAction setDA = getDestAction(portnum); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1239 | if (setDA != null) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1240 | actions.add(setDA); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1241 | actions.add(group); |
| 1242 | |
| 1243 | OFBucket bucket = factory.buildBucket() |
| 1244 | .setActions(actions).build(); |
| 1245 | List<OFBucket> buckets = Collections.singletonList(bucket); |
| 1246 | OFMessage gmAdd = factory.buildGroupAdd() |
| 1247 | .setGroup(gl3) |
| 1248 | .setBuckets(buckets) |
| 1249 | .setGroupType(OFGroupType.INDIRECT) |
| 1250 | .setXid(getNextTransactionId()) |
| 1251 | .build(); |
| 1252 | msglist.add(gmAdd); |
| 1253 | } |
| 1254 | write(msglist); |
| 1255 | log.debug("Creating {} L3 groups in sw {}", msglist.size(), getStringId()); |
| 1256 | } |
| 1257 | |
| 1258 | /* |
| 1259 | * L2.5 or mpls-unicast groups are only created for those router ports |
| 1260 | * connected to other router ports. They differ from the corresponding |
| 1261 | * L3-unicast group only by the fact that they decrement the MPLS TTL |
| 1262 | * instead of the IP ttl |
| 1263 | */ |
| 1264 | private void setL25Groups() throws IOException { |
| 1265 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 1266 | for (OFGroup gl2 : l2groups.values()) { |
| 1267 | int gnum = gl2.getGroupNumber(); |
| 1268 | int portnum = gnum & 0x0000ffff; |
| 1269 | int vlanid = ((gnum & 0x0fff0000) >> VLAN_ID_OFFSET); |
| 1270 | MacAddress sAddr = getRouterMacAddr(); |
| 1271 | OFAction setDA = getDestAction(portnum); |
| 1272 | // setDA will only be non-null for ports connected to routers |
| 1273 | if (setDA != null) { |
| 1274 | OFGroup gl3 = OFGroup.of(0xa0000000 | portnum); // different id |
| 1275 | // for mpls |
| 1276 | // group |
| 1277 | OFAction group = factory.actions().buildGroup() |
| 1278 | .setGroup(gl2).build(); |
| 1279 | OFOxmEthSrc srcAddr = factory.oxms().ethSrc(sAddr); |
| 1280 | OFAction setSA = factory.actions().buildSetField() |
| 1281 | .setField(srcAddr).build(); |
| 1282 | OFOxmVlanVid vid = factory.oxms().vlanVid(OFVlanVidMatch.ofVlan(vlanid)); |
| 1283 | OFAction setVlan = factory.actions().buildSetField() |
| 1284 | .setField(vid).build(); |
| 1285 | OFAction decMplsTtl = factory.actions().decMplsTtl(); |
| 1286 | List<OFAction> actions = new ArrayList<OFAction>(); |
| 1287 | actions.add(decMplsTtl); // decrement the MPLS |
| 1288 | // TTL/do-checksum/check TTL and MTU |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1289 | // actions.add(setVlan); // set the vlan-id of the exit-port |
| 1290 | // (and |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1291 | // l2group) |
| 1292 | actions.add(setSA); // set this routers mac address |
| 1293 | actions.add(setDA); |
| 1294 | actions.add(group); |
| 1295 | OFBucket bucket = factory.buildBucket() |
| 1296 | .setActions(actions).build(); |
| 1297 | List<OFBucket> buckets = Collections.singletonList(bucket); |
| 1298 | OFMessage gmAdd = factory.buildGroupAdd() |
| 1299 | .setGroup(gl3) |
| 1300 | .setBuckets(buckets) |
| 1301 | .setGroupType(OFGroupType.INDIRECT) |
| 1302 | .setXid(getNextTransactionId()) |
| 1303 | .build(); |
| 1304 | msglist.add(gmAdd); |
| 1305 | } |
| 1306 | } |
| 1307 | write(msglist); |
| 1308 | log.debug("Creating {} MPLS groups in sw {}", msglist.size(), getStringId()); |
| 1309 | } |
| 1310 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1311 | |
| 1312 | private void processGroupFeatures(OFGroupFeaturesStatsReply gfsr) { |
| 1313 | log.info("Sw: {} Group Features {}", getStringId(), gfsr); |
| 1314 | } |
| 1315 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1316 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1317 | |
| 1318 | private List<String> getMyIps() { // send to controller |
| 1319 | List<String> myIps = new ArrayList<String>(); |
| 1320 | if (getId() == 0x1) { |
| 1321 | myIps.add("10.0.2.128"); |
| 1322 | myIps.add("10.0.3.128"); |
| 1323 | myIps.add("10.0.1.128"); |
| 1324 | myIps.add("192.168.0.1"); |
| 1325 | } |
| 1326 | if (getId() == 0x2) { |
| 1327 | myIps.add("192.168.0.2"); |
| 1328 | } |
| 1329 | if (getId() == 0x3) { |
| 1330 | myIps.add("192.168.0.3"); |
| 1331 | myIps.add("7.7.7.128"); |
| 1332 | } |
| 1333 | return myIps; |
| 1334 | } |
| 1335 | |
| 1336 | private List<String> getMySubnetIps() { // send to controller |
| 1337 | List<String> subnetIps = new ArrayList<String>(); |
| 1338 | if (getId() == 0x1) { |
| 1339 | subnetIps.add("10.0.2.0"); |
| 1340 | subnetIps.add("10.0.3.0"); |
| 1341 | subnetIps.add("10.0.1.0"); |
| 1342 | } |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1343 | if (getId() == 0x2) { |
| 1344 | } |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1345 | if (getId() == 0x3) { |
| 1346 | subnetIps.add("7.7.7.0"); |
| 1347 | } |
| 1348 | return subnetIps; |
| 1349 | } |
| 1350 | |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1351 | private class RouteEntry { |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1352 | String prefix; |
| 1353 | String mask; |
| 1354 | int nextHopPort; |
| 1355 | String dstMac; |
| 1356 | int label; |
| 1357 | |
| 1358 | public RouteEntry(String prefix, String mask, int nextHopPort, int label) { |
| 1359 | this.prefix = prefix; |
| 1360 | this.mask = mask; |
| 1361 | this.nextHopPort = nextHopPort; |
| 1362 | this.label = label; |
| 1363 | } |
| 1364 | |
| 1365 | public RouteEntry(String prefix, int nextHopPort, String dstMac) { |
| 1366 | this.prefix = prefix; |
| 1367 | this.nextHopPort = nextHopPort; |
| 1368 | this.dstMac = dstMac; |
| 1369 | } |
| 1370 | } |
| 1371 | |
| 1372 | // send out of mpls-group where the next-hop mac-da is already set |
| 1373 | private List<RouteEntry> getRouterNextHopIps() { |
| 1374 | List<RouteEntry> routerNextHopIps = new ArrayList<RouteEntry>(); |
| 1375 | if (getId() == 0x1) { |
| 1376 | routerNextHopIps |
| 1377 | .add(new RouteEntry("192.168.0.2", "255.255.255.255", 6, 102)); |
| 1378 | routerNextHopIps |
| 1379 | .add(new RouteEntry("192.168.0.3", "255.255.255.255", 6, 103)); |
| 1380 | routerNextHopIps.add(new RouteEntry("7.7.7.0", "255.255.255.0", 6, 103)); |
| 1381 | } |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1382 | if (getId() == 0x2) { |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1383 | /* These are required for normal IP routing without labels. |
| 1384 | routerNextHopIps.add(new RouteEntry("192.168.0.1","255.255.255.255",1)); |
| 1385 | routerNextHopIps.add(new RouteEntry("192.168.0.3","255.255.255.255",2)); |
| 1386 | routerNextHopIps.add(new RouteEntry("10.0.1.0","255.255.255.0",1)); |
| 1387 | routerNextHopIps.add(new RouteEntry("10.0.2.0","255.255.255.0",1)); |
| 1388 | routerNextHopIps.add(new RouteEntry("10.0.3.0","255.255.255.0",1)); |
| 1389 | 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] | 1390 | } |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1391 | if (getId() == 0x3) { |
| 1392 | routerNextHopIps |
| 1393 | .add(new RouteEntry("192.168.0.2", "255.255.255.255", 2, 102)); |
| 1394 | routerNextHopIps |
| 1395 | .add(new RouteEntry("192.168.0.1", "255.255.255.255", 2, 101)); |
| 1396 | routerNextHopIps.add(new RouteEntry("10.0.1.0", "255.255.255.0", 2, 101)); |
| 1397 | routerNextHopIps.add(new RouteEntry("10.0.2.0", "255.255.255.0", 2, 101)); |
| 1398 | routerNextHopIps.add(new RouteEntry("10.0.3.0", "255.255.255.0", 2, 101)); |
| 1399 | } |
| 1400 | return routerNextHopIps; |
| 1401 | } |
| 1402 | |
| 1403 | // known host mac-addr, setDA/send out of l3group |
| 1404 | private List<RouteEntry> getHostNextHopIps() { |
| 1405 | List<RouteEntry> hostNextHopIps = new ArrayList<RouteEntry>(); |
| 1406 | if (getId() == 0x1) { |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1407 | //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] | 1408 | hostNextHopIps.add(new RouteEntry("10.0.2.1", 4, "00:00:00:00:02:01")); |
| 1409 | hostNextHopIps.add(new RouteEntry("10.0.3.1", 5, "00:00:00:00:03:01")); |
| 1410 | } |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1411 | if (getId() == 0x2) { |
| 1412 | } |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1413 | if (getId() == 0x3) { |
| 1414 | hostNextHopIps.add(new RouteEntry("7.7.7.7", 1, "00:00:07:07:07:07")); |
| 1415 | } |
| 1416 | return hostNextHopIps; |
| 1417 | } |
| 1418 | |
| 1419 | private void populateIpTable() throws IOException { |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1420 | // populateMyIps(); |
| 1421 | // populateMySubnets(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1422 | populateRoutes(); |
| 1423 | populateHostRoutes(); |
| 1424 | |
| 1425 | // match for everything else to send to ACL table. Essentially |
| 1426 | // the table miss flow entry |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1427 | populateTableMissEntry(TABLE_IPv4_UNICAST, false, true, |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1428 | true, TABLE_ACL); |
| 1429 | } |
| 1430 | |
| 1431 | private void populateMyIps() throws IOException { |
| 1432 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 1433 | // first all my ip's as exact-matches |
| 1434 | // write-action instruction to send to controller |
| 1435 | List<String> myIps = getMyIps(); |
| 1436 | for (int i = 0; i < myIps.size(); i++) { |
| 1437 | OFOxmEthType ethTypeIp = factory.oxms() |
| 1438 | .ethType(EthType.IPv4); |
| 1439 | OFOxmIpv4DstMasked ipPrefix = factory.oxms() |
| 1440 | .ipv4DstMasked(IPv4Address.of(myIps.get(i)), IPv4Address.NO_MASK); |
| 1441 | OFOxmList oxmListSlash32 = OFOxmList.of(ethTypeIp, ipPrefix); |
| 1442 | OFMatchV3 match = factory.buildMatchV3() |
| 1443 | .setOxmList(oxmListSlash32).build(); |
| 1444 | OFAction outc = factory.actions().buildOutput() |
| 1445 | .setPort(OFPort.CONTROLLER).setMaxLen(OFPCML_NO_BUFFER) |
| 1446 | .build(); |
| 1447 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 1448 | .setActions(Collections.singletonList(outc)).build(); |
| 1449 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 1450 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 1451 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 1452 | instructions.add(writeInstr); |
| 1453 | instructions.add(gotoInstr); |
| 1454 | OFMessage myIpEntry = factory.buildFlowAdd() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1455 | .setTableId(TableId.of(TABLE_IPv4_UNICAST)) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1456 | .setMatch(match) |
| 1457 | .setInstructions(instructions) |
| 1458 | .setPriority(MAX_PRIORITY) // highest priority for exact |
| 1459 | // match |
| 1460 | .setBufferId(OFBufferId.NO_BUFFER) |
| 1461 | .setIdleTimeout(0) |
| 1462 | .setHardTimeout(0) |
| 1463 | .setXid(getNextTransactionId()) |
| 1464 | .build(); |
| 1465 | msglist.add(myIpEntry); |
| 1466 | } |
| 1467 | write(msglist); |
| 1468 | log.debug("Adding {} my-ip-rules in sw {}", msglist.size(), getStringId()); |
| 1469 | } |
| 1470 | |
| 1471 | private void populateMySubnets() throws IOException { |
| 1472 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 1473 | // next prefix-based subnet-IP's configured on my interfaces |
| 1474 | // need to ARP for exact-IP, so write-action instruction to send to |
| 1475 | // controller |
| 1476 | // this has different mask and priority than earlier case |
| 1477 | List<String> subnetIps = getMySubnetIps(); |
| 1478 | for (int i = 0; i < subnetIps.size(); i++) { |
| 1479 | OFOxmEthType ethTypeIp = factory.oxms() |
| 1480 | .ethType(EthType.IPv4); |
| 1481 | OFOxmIpv4DstMasked ipPrefix = factory.oxms().ipv4DstMasked( |
| 1482 | IPv4Address.of(subnetIps.get(i)), |
| 1483 | IPv4Address.of(0xffffff00)); // '/24' mask |
| 1484 | OFOxmList oxmListSlash24 = OFOxmList.of(ethTypeIp, ipPrefix); |
| 1485 | OFMatchV3 match = factory.buildMatchV3() |
| 1486 | .setOxmList(oxmListSlash24).build(); |
| 1487 | OFAction outc = factory.actions().buildOutput() |
| 1488 | .setPort(OFPort.CONTROLLER).setMaxLen(OFPCML_NO_BUFFER) |
| 1489 | .build(); |
| 1490 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 1491 | .setActions(Collections.singletonList(outc)).build(); |
| 1492 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 1493 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 1494 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 1495 | instructions.add(writeInstr); |
| 1496 | instructions.add(gotoInstr); |
| 1497 | OFMessage myIpEntry = factory.buildFlowAdd() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1498 | .setTableId(TableId.of(TABLE_IPv4_UNICAST)) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1499 | .setMatch(match) |
| 1500 | .setInstructions(instructions) |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 1501 | .setPriority((short) 0xfff0) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1502 | .setBufferId(OFBufferId.NO_BUFFER) |
| 1503 | .setIdleTimeout(0) |
| 1504 | .setHardTimeout(0) |
| 1505 | .setXid(getNextTransactionId()) |
| 1506 | .build(); |
| 1507 | msglist.add(myIpEntry); |
| 1508 | } |
| 1509 | write(msglist); |
| 1510 | log.debug("Adding {} subnet-ip-rules in sw {}", msglist.size(), getStringId()); |
| 1511 | msglist.clear(); |
| 1512 | } |
| 1513 | |
| 1514 | private void populateRoutes() throws IOException { |
| 1515 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 1516 | // addresses where I know the next-hop's mac-address because it is a |
| 1517 | // router port - so I have an L3 interface to it (and an MPLS interface) |
| 1518 | List<RouteEntry> routerNextHopIps = getRouterNextHopIps(); |
| 1519 | for (int i = 0; i < routerNextHopIps.size(); i++) { |
| 1520 | OFOxmEthType ethTypeIp = factory.oxms() |
| 1521 | .ethType(EthType.IPv4); |
| 1522 | OFOxmIpv4DstMasked ipPrefix = factory.oxms() |
| 1523 | .ipv4DstMasked( |
| 1524 | IPv4Address.of(routerNextHopIps.get(i).prefix), |
| 1525 | IPv4Address.of(routerNextHopIps.get(i).mask) |
| 1526 | ); |
| 1527 | OFOxmList oxmListSlash32 = OFOxmList.of(ethTypeIp, ipPrefix); |
| 1528 | OFMatchV3 match = factory.buildMatchV3() |
| 1529 | .setOxmList(oxmListSlash32).build(); |
| 1530 | OFAction outg = factory.actions().buildGroup() |
| 1531 | .setGroup(OFGroup.of(0xa0000000 | // mpls group id |
| 1532 | routerNextHopIps.get(i).nextHopPort)) |
| 1533 | .build(); |
| 1534 | // lots of actions before forwarding to mpls group, and |
| 1535 | // unfortunately |
| 1536 | // they need to be apply-actions |
| 1537 | |
| 1538 | OFAction pushlabel = factory.actions().pushMpls(EthType.MPLS_UNICAST); |
| 1539 | OFOxmMplsLabel l = factory.oxms() |
| 1540 | .mplsLabel(U32.of(routerNextHopIps.get(i).label)); |
| 1541 | OFAction setlabelid = factory.actions().buildSetField() |
| 1542 | .setField(l).build(); |
| 1543 | OFAction copyTtlOut = factory.actions().copyTtlOut(); |
| 1544 | // OFAction setBos = |
| 1545 | // factory.actions().buildSetField().setField(bos).build(); |
| 1546 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1547 | List<OFAction> writeActions = new ArrayList<OFAction>(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1548 | writeActions.add(pushlabel); |
| 1549 | writeActions.add(copyTtlOut); |
| 1550 | writeActions.add(setlabelid); |
| 1551 | // writeActions.add(setBos); no support in loxigen |
| 1552 | |
| 1553 | // List<OFAction> applyActions = new ArrayList<OFAction>(); |
| 1554 | // applyActions.add(pushlabel); |
| 1555 | // applyActions.add(copyTtlOut); |
| 1556 | // OFInstruction applyInstr = |
| 1557 | // factory.instructions().buildApplyActions() |
| 1558 | // .setActions(applyActions).build(); |
Saurav Das | df783ae | 2014-09-22 09:36:32 -0700 | [diff] [blame] | 1559 | |
| 1560 | if (getId() == 0x1) { |
| 1561 | OFAction group47 = factory.actions().buildGroup() |
| 1562 | .setGroup(OFGroup.of(47)).build(); |
| 1563 | writeActions.add(group47); |
| 1564 | } else { |
| 1565 | writeActions.add(outg); // group will decr mpls-ttl, set |
| 1566 | // mac-sa/da, |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1567 | // vlan |
Saurav Das | df783ae | 2014-09-22 09:36:32 -0700 | [diff] [blame] | 1568 | } |
| 1569 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1570 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 1571 | .setActions(writeActions).build(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1572 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 1573 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 1574 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 1575 | instructions.add(writeInstr); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1576 | |
| 1577 | // necessary to match in pseudo-table to overcome cpqd 1.3 flaw |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1578 | /*OFInstruction writeMeta = factory.instructions().buildWriteMetadata() |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1579 | .setMetadata(U64.of(routerNextHopIps.get(i).label)) |
| 1580 | .setMetadataMask(METADATA_MASK).build(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1581 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1582 | .setTableId(TableId.of(TABLE_META)).build();*/ |
| 1583 | /*instructions.add(applyInstr); |
| 1584 | instructions.add(writeMeta);*/ |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1585 | |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1586 | instructions.add(gotoInstr); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1587 | int priority = -1; |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1588 | if (routerNextHopIps.get(i).mask.equals("255.255.255.255")) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1589 | priority = MAX_PRIORITY; |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1590 | else |
Saurav Das | fc5e3eb | 2014-09-25 19:05:21 -0700 | [diff] [blame] | 1591 | priority = (short) 0xfff0; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1592 | OFMessage myIpEntry = factory.buildFlowAdd() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1593 | .setTableId(TableId.of(TABLE_IPv4_UNICAST)) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1594 | .setMatch(match) |
| 1595 | .setInstructions(instructions) |
| 1596 | .setPriority(priority) |
| 1597 | .setBufferId(OFBufferId.NO_BUFFER) |
| 1598 | .setIdleTimeout(0) |
| 1599 | .setHardTimeout(0) |
| 1600 | .setXid(getNextTransactionId()) |
| 1601 | .build(); |
| 1602 | msglist.add(myIpEntry); |
| 1603 | |
| 1604 | // need to also handle psuedo-table entries to match-metadata and |
| 1605 | // set mpls |
| 1606 | // label-id |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1607 | /*OFOxmEthType ethTypeMpls = factory.oxms() |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1608 | .ethType(EthType.MPLS_UNICAST); |
| 1609 | OFOxmMetadataMasked meta = factory.oxms() |
| 1610 | .metadataMasked( |
| 1611 | OFMetadata.ofRaw(routerNextHopIps.get(i).label), |
| 1612 | OFMetadata.NO_MASK); |
| 1613 | OFOxmList oxmListMeta = OFOxmList.of(ethTypeMpls, meta); |
| 1614 | OFMatchV3 matchMeta = factory.buildMatchV3() |
| 1615 | .setOxmList(oxmListMeta).build(); |
| 1616 | List<OFAction> writeActions2 = new ArrayList<OFAction>(); |
| 1617 | writeActions2.add(setlabelid); |
| 1618 | OFAction outg2 = factory.actions().buildGroup() |
| 1619 | .setGroup(OFGroup.of(routerNextHopIps.get(i).nextHopPort | |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1620 | (192 << VLAN_ID_OFFSET))) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1621 | .build(); |
| 1622 | writeActions2.add(outg2); |
| 1623 | OFInstruction writeInstr2 = factory.instructions().buildWriteActions() |
| 1624 | .setActions(writeActions2).build(); |
| 1625 | OFInstruction gotoInstr2 = factory.instructions().buildGotoTable() |
| 1626 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 1627 | List<OFInstruction> instructions2 = new ArrayList<OFInstruction>(); |
| 1628 | // unfortunately have to apply this action too |
| 1629 | OFInstruction applyInstr2 = factory.instructions().buildApplyActions() |
| 1630 | .setActions(writeActions2).build(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1631 | instructions2.add(applyInstr2); */ |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1632 | // instructions2.add(writeInstr2); |
| 1633 | // instructions2.add(gotoInstr2); |
| 1634 | |
| 1635 | /*OFMatchV3 match3 = factory.buildMatchV3() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1636 | .setOxmList(OFOxmList.of(meta)).build(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1637 | OFInstruction clearInstruction = factory.instructions().clearActions(); |
| 1638 | List<OFInstruction> instructions3 = new ArrayList<OFInstruction>(); |
| 1639 | OFAction outc = factory.actions().buildOutput() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1640 | .setPort(OFPort.CONTROLLER).setMaxLen(OFPCML_NO_BUFFER) |
| 1641 | .build(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1642 | OFInstruction writec = factory.instructions() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1643 | .writeActions(Collections.singletonList(outc)); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1644 | instructions3.add(clearInstruction); |
| 1645 | instructions3.add(writec); |
| 1646 | instructions3.add(gotoInstr2); */ |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1647 | /*OFMessage myMetaEntry = factory.buildFlowAdd() |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1648 | .setTableId(TableId.of(TABLE_META)) |
| 1649 | .setMatch(matchMeta) |
| 1650 | .setInstructions(instructions2) |
| 1651 | .setPriority(MAX_PRIORITY) |
| 1652 | .setBufferId(OFBufferId.NO_BUFFER) |
| 1653 | .setIdleTimeout(0) |
| 1654 | .setHardTimeout(0) |
| 1655 | .setXid(getNextTransactionId()) |
| 1656 | .build(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1657 | msglist.add(myMetaEntry); */ |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1658 | |
| 1659 | } |
| 1660 | write(msglist); |
| 1661 | log.debug("Adding {} next-hop-router-rules in sw {}", msglist.size(), |
| 1662 | getStringId()); |
| 1663 | |
| 1664 | // add a table-miss entry to table 4 for debugging - leave it out |
| 1665 | // unclear packet state - causes switch to crash |
| 1666 | // populateTableMissEntry(TABLE_META, false, true, |
| 1667 | // true, TABLE_ACL); |
| 1668 | } |
| 1669 | |
| 1670 | private void populateHostRoutes() throws IOException { |
| 1671 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 1672 | // addresses where I know the next hop's mac-address and I can set the |
| 1673 | // destination mac in the match-instruction.write-action |
| 1674 | // either I sent out arp-request or I got an arp-request from this host |
| 1675 | List<RouteEntry> hostNextHopIps = getHostNextHopIps(); |
| 1676 | for (int i = 0; i < hostNextHopIps.size(); i++) { |
| 1677 | OFOxmEthType ethTypeIp = factory.oxms() |
| 1678 | .ethType(EthType.IPv4); |
| 1679 | OFOxmIpv4DstMasked ipPrefix = factory.oxms() |
| 1680 | .ipv4DstMasked( |
| 1681 | IPv4Address.of(hostNextHopIps.get(i).prefix), |
| 1682 | IPv4Address.NO_MASK); // host addr should be /32 |
| 1683 | OFOxmList oxmListSlash32 = OFOxmList.of(ethTypeIp, ipPrefix); |
| 1684 | OFMatchV3 match = factory.buildMatchV3() |
| 1685 | .setOxmList(oxmListSlash32).build(); |
| 1686 | OFAction setDmac = null, outg = null; |
| 1687 | OFOxmEthDst dmac = factory.oxms() |
| 1688 | .ethDst(MacAddress.of(hostNextHopIps.get(i).dstMac)); |
| 1689 | setDmac = factory.actions().buildSetField() |
| 1690 | .setField(dmac).build(); |
| 1691 | outg = factory.actions().buildGroup() |
| 1692 | .setGroup(OFGroup.of(0x20000000 | hostNextHopIps.get(i).nextHopPort)) // l3group |
| 1693 | // id |
| 1694 | .build(); |
| 1695 | List<OFAction> writeActions = new ArrayList<OFAction>(); |
| 1696 | writeActions.add(setDmac); |
| 1697 | writeActions.add(outg); |
| 1698 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 1699 | .setActions(writeActions).build(); |
| 1700 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 1701 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 1702 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 1703 | instructions.add(writeInstr); |
| 1704 | instructions.add(gotoInstr); |
| 1705 | OFMessage myIpEntry = factory.buildFlowAdd() |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1706 | .setTableId(TableId.of(TABLE_IPv4_UNICAST)) |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1707 | .setMatch(match) |
| 1708 | .setInstructions(instructions) |
| 1709 | .setPriority(MAX_PRIORITY) // highest priority for exact |
| 1710 | // match |
| 1711 | .setBufferId(OFBufferId.NO_BUFFER) |
| 1712 | .setIdleTimeout(0) |
| 1713 | .setHardTimeout(0) |
| 1714 | .setXid(getNextTransactionId()) |
| 1715 | .build(); |
| 1716 | msglist.add(myIpEntry); |
| 1717 | } |
| 1718 | write(msglist); |
| 1719 | log.debug("Adding {} next-hop-host-rules in sw {}", msglist.size(), getStringId()); |
| 1720 | } |
| 1721 | |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1722 | private class MplsEntry { |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1723 | int labelid; |
| 1724 | int portnum; |
| 1725 | |
| 1726 | public MplsEntry(int labelid, int portnum) { |
| 1727 | this.labelid = labelid; |
| 1728 | this.portnum = portnum; |
| 1729 | } |
| 1730 | } |
| 1731 | |
| 1732 | private List<MplsEntry> getMplsEntries() { |
| 1733 | List<MplsEntry> myLabels = new ArrayList<MplsEntry>(); |
| 1734 | if (getId() == 0x1) { |
| 1735 | myLabels.add(new MplsEntry(101, OFPort.CONTROLLER.getPortNumber())); |
| 1736 | myLabels.add(new MplsEntry(103, 6)); |
| 1737 | } |
| 1738 | if (getId() == 0x2) { |
| 1739 | myLabels.add(new MplsEntry(103, 2)); |
| 1740 | myLabels.add(new MplsEntry(102, OFPort.CONTROLLER.getPortNumber())); |
| 1741 | myLabels.add(new MplsEntry(101, 1)); |
| 1742 | } |
| 1743 | if (getId() == 0x3) { |
| 1744 | myLabels.add(new MplsEntry(103, OFPort.CONTROLLER.getPortNumber())); |
| 1745 | myLabels.add(new MplsEntry(101, 2)); |
| 1746 | } |
| 1747 | return myLabels; |
| 1748 | } |
| 1749 | |
| 1750 | private void populateMplsTable() throws IOException { |
| 1751 | List<OFMessage> msglist = new ArrayList<OFMessage>(); |
| 1752 | List<MplsEntry> lfibEntries = getMplsEntries(); |
| 1753 | for (int i = 0; i < lfibEntries.size(); i++) { |
| 1754 | OFOxmEthType ethTypeMpls = factory.oxms() |
| 1755 | .ethType(EthType.MPLS_UNICAST); |
| 1756 | OFOxmMplsLabel labelid = factory.oxms() |
| 1757 | .mplsLabel(U32.of(lfibEntries.get(i).labelid)); |
| 1758 | OFOxmList oxmList = OFOxmList.of(ethTypeMpls, labelid); |
| 1759 | OFMatchV3 matchlabel = factory.buildMatchV3() |
| 1760 | .setOxmList(oxmList).build(); |
| 1761 | OFAction poplabel = factory.actions().popMpls(EthType.IPv4); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1762 | OFAction copyttlin = factory.actions().copyTtlIn(); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1763 | OFAction sendTo = null; |
| 1764 | if (lfibEntries.get(i).portnum == OFPort.CONTROLLER.getPortNumber()) { |
| 1765 | sendTo = factory.actions().output(OFPort.CONTROLLER, |
| 1766 | OFPCML_NO_BUFFER); |
| 1767 | } else { |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1768 | // after popping send to L3 intf, not MPLS intf |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1769 | sendTo = factory.actions().group(OFGroup.of( |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1770 | 0x20000000 | lfibEntries.get(i).portnum)); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1771 | } |
| 1772 | List<OFAction> writeActions = new ArrayList<OFAction>(); |
Sangho Shin | 01bca86 | 2014-09-12 11:18:59 -0700 | [diff] [blame] | 1773 | writeActions.add(copyttlin); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1774 | writeActions.add(poplabel); |
| 1775 | writeActions.add(sendTo); |
| 1776 | OFInstruction writeInstr = factory.instructions().buildWriteActions() |
| 1777 | .setActions(writeActions).build(); |
| 1778 | OFInstruction gotoInstr = factory.instructions().buildGotoTable() |
| 1779 | .setTableId(TableId.of(TABLE_ACL)).build(); |
| 1780 | List<OFInstruction> instructions = new ArrayList<OFInstruction>(); |
| 1781 | instructions.add(writeInstr); |
| 1782 | instructions.add(gotoInstr); |
| 1783 | OFMessage myMplsEntry = factory.buildFlowAdd() |
| 1784 | .setTableId(TableId.of(TABLE_MPLS)) |
| 1785 | .setMatch(matchlabel) |
| 1786 | .setInstructions(instructions) |
| 1787 | .setPriority(MAX_PRIORITY) // exact match and exclusive |
| 1788 | .setBufferId(OFBufferId.NO_BUFFER) |
| 1789 | .setIdleTimeout(0) |
| 1790 | .setHardTimeout(0) |
| 1791 | .setXid(getNextTransactionId()) |
| 1792 | .build(); |
| 1793 | msglist.add(myMplsEntry); |
| 1794 | } |
| 1795 | write(msglist); |
| 1796 | log.debug("Adding {} mpls-forwarding-rules in sw {}", msglist.size(), |
| 1797 | getStringId()); |
| 1798 | |
| 1799 | // match for everything else to send to ACL table. Essentially |
| 1800 | // the table miss flow entry |
| 1801 | populateTableMissEntry(TABLE_MPLS, false, true, |
| 1802 | true, TABLE_ACL); |
| 1803 | |
| 1804 | } |
| 1805 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 1806 | |
| 1807 | } |