alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.openflow.drivers; |
| 17 | |
| 18 | import com.google.common.collect.Lists; |
| 19 | import org.onosproject.openflow.controller.Dpid; |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 20 | import org.onosproject.openflow.controller.driver.AbstractOpenFlowSwitch; |
alshabib | da1644e | 2015-03-13 14:01:35 -0700 | [diff] [blame^] | 21 | import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeAlreadyStarted; |
| 22 | import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeCompleted; |
| 23 | import org.onosproject.openflow.controller.driver.SwitchDriverSubHandshakeNotStarted; |
| 24 | import org.projectfloodlight.openflow.protocol.OFBarrierRequest; |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 25 | import org.projectfloodlight.openflow.protocol.OFDescStatsReply; |
| 26 | import org.projectfloodlight.openflow.protocol.OFFlowMod; |
| 27 | import org.projectfloodlight.openflow.protocol.OFMessage; |
| 28 | import org.projectfloodlight.openflow.protocol.OFType; |
| 29 | import org.projectfloodlight.openflow.protocol.instruction.OFInstruction; |
| 30 | import org.projectfloodlight.openflow.protocol.instruction.OFInstructionGotoTable; |
alshabib | da1644e | 2015-03-13 14:01:35 -0700 | [diff] [blame^] | 31 | import org.projectfloodlight.openflow.types.OFGroup; |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 32 | import org.projectfloodlight.openflow.types.TableId; |
| 33 | |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 34 | import java.util.ArrayList; |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 35 | import java.util.Collections; |
| 36 | import java.util.List; |
alshabib | da1644e | 2015-03-13 14:01:35 -0700 | [diff] [blame^] | 37 | import java.util.concurrent.atomic.AtomicBoolean; |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 38 | |
| 39 | /** |
| 40 | * Corsa switch driver for BGP Router deployment. |
| 41 | */ |
| 42 | public class OFCorsaSwitchDriver extends AbstractOpenFlowSwitch { |
alshabib | da1644e | 2015-03-13 14:01:35 -0700 | [diff] [blame^] | 43 | |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 44 | private static final int FIRST_TABLE = 0; |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 45 | private static final int VLAN_MPLS_TABLE = 1; |
| 46 | private static final int VLAN_TABLE = 2; |
| 47 | private static final int MPLS_TABLE = 3; |
| 48 | private static final int ETHER_TABLE = 4; |
| 49 | private static final int COS_MAP_TABLE = 5; |
| 50 | private static final int FIB_TABLE = 6; |
| 51 | private static final int LOCAL_TABLE = 9; |
| 52 | |
alshabib | da1644e | 2015-03-13 14:01:35 -0700 | [diff] [blame^] | 53 | private AtomicBoolean handShakeComplete = new AtomicBoolean(false); |
| 54 | |
| 55 | private int barrierXid; |
| 56 | |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 57 | OFCorsaSwitchDriver(Dpid dpid, OFDescStatsReply desc) { |
| 58 | super(dpid); |
| 59 | |
| 60 | setSwitchDescription(desc); |
| 61 | } |
| 62 | |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 63 | /** |
| 64 | * Used by the default sendMsg to 'write' to the switch. |
| 65 | * This method is indirectly used by generic onos services like proxyarp |
| 66 | * to request packets from the default flow table. In a multi-table |
| 67 | * pipeline, these requests are redirected to the correct table. |
| 68 | * |
| 69 | * For the Corsa switch, the equivalent table is the LOCAL TABLE |
| 70 | * |
| 71 | */ |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 72 | @Override |
| 73 | public void write(OFMessage msg) { |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 74 | if (msg.getType() == OFType.FLOW_MOD) { |
| 75 | OFFlowMod flowMod = (OFFlowMod) msg; |
| 76 | OFFlowMod.Builder builder = flowMod.createBuilder(); |
| 77 | builder.setTableId(TableId.of(LOCAL_TABLE)); |
| 78 | channel.write(Collections.singletonList(builder.build())); |
| 79 | } else { |
| 80 | channel.write(Collections.singletonList(msg)); |
| 81 | } |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 82 | } |
| 83 | |
| 84 | @Override |
| 85 | public void write(List<OFMessage> msgs) { |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 86 | List<OFMessage> newMsgs = new ArrayList<OFMessage>(); |
| 87 | for (OFMessage msg : msgs) { |
| 88 | if (msg.getType() == OFType.FLOW_MOD) { |
| 89 | OFFlowMod flowMod = (OFFlowMod) msg; |
| 90 | OFFlowMod.Builder builder = flowMod.createBuilder(); |
| 91 | builder.setTableId(TableId.of(LOCAL_TABLE)); |
| 92 | newMsgs.add(builder.build()); |
| 93 | } else { |
| 94 | newMsgs.add(msg); |
| 95 | } |
| 96 | } |
| 97 | channel.write(newMsgs); |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | @Override |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 101 | public void transformAndSendMsg(OFMessage msg, TableType type) { |
Saurav Das | fbe25c5 | 2015-03-04 11:12:00 -0800 | [diff] [blame] | 102 | log.trace("Trying to send {} of TableType {}", msg, type); |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 103 | if (msg.getType() == OFType.FLOW_MOD) { |
| 104 | OFFlowMod flowMod = (OFFlowMod) msg; |
| 105 | OFFlowMod.Builder builder = flowMod.createBuilder(); |
Saurav Das | cbe6de3 | 2015-03-01 18:30:46 -0800 | [diff] [blame] | 106 | List<OFInstruction> instructions = flowMod.getInstructions(); |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 107 | List<OFInstruction> newInstructions = Lists.newArrayList(); |
| 108 | for (OFInstruction i : instructions) { |
| 109 | if (i instanceof OFInstructionGotoTable) { |
| 110 | OFInstructionGotoTable gotoTable = (OFInstructionGotoTable) i; |
| 111 | TableType tid = TableType.values()[gotoTable.getTableId().getValue()]; |
| 112 | switch (tid) { |
| 113 | case VLAN_MPLS: |
| 114 | newInstructions.add( |
| 115 | gotoTable.createBuilder() |
| 116 | .setTableId(TableId.of(VLAN_MPLS_TABLE)).build()); |
| 117 | break; |
| 118 | case VLAN: |
| 119 | newInstructions.add( |
| 120 | gotoTable.createBuilder() |
| 121 | .setTableId(TableId.of(VLAN_TABLE)).build()); |
| 122 | break; |
| 123 | case ETHER: |
| 124 | newInstructions.add( |
| 125 | gotoTable.createBuilder() |
| 126 | .setTableId(TableId.of(ETHER_TABLE)).build()); |
| 127 | break; |
| 128 | case COS: |
| 129 | newInstructions.add( |
| 130 | gotoTable.createBuilder() |
| 131 | .setTableId(TableId.of(COS_MAP_TABLE)).build()); |
| 132 | break; |
| 133 | case IP: |
| 134 | newInstructions.add( |
| 135 | gotoTable.createBuilder() |
| 136 | .setTableId(TableId.of(FIB_TABLE)).build()); |
| 137 | break; |
| 138 | case MPLS: |
| 139 | newInstructions.add( |
| 140 | gotoTable.createBuilder() |
| 141 | .setTableId(TableId.of(MPLS_TABLE)).build()); |
| 142 | break; |
| 143 | case ACL: |
| 144 | newInstructions.add( |
| 145 | gotoTable.createBuilder() |
| 146 | .setTableId(TableId.of(LOCAL_TABLE)).build()); |
| 147 | break; |
| 148 | case NONE: |
Saurav Das | cbe6de3 | 2015-03-01 18:30:46 -0800 | [diff] [blame] | 149 | log.error("Should never have to go to Table 0"); |
| 150 | /*newInstructions.add( |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 151 | gotoTable.createBuilder() |
| 152 | .setTableId(TableId.of(0)).build()); |
Saurav Das | cbe6de3 | 2015-03-01 18:30:46 -0800 | [diff] [blame] | 153 | */ |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 154 | break; |
| 155 | default: |
| 156 | log.warn("Unknown table type: {}", tid); |
| 157 | } |
| 158 | |
| 159 | } else { |
| 160 | newInstructions.add(i); |
| 161 | } |
| 162 | } |
| 163 | switch (type) { |
| 164 | case VLAN_MPLS: |
| 165 | builder.setTableId(TableId.of(VLAN_MPLS_TABLE)); |
| 166 | break; |
| 167 | case VLAN: |
| 168 | builder.setTableId(TableId.of(VLAN_TABLE)); |
| 169 | break; |
| 170 | case ETHER: |
| 171 | builder.setTableId(TableId.of(ETHER_TABLE)); |
| 172 | break; |
| 173 | case COS: |
| 174 | builder.setTableId(TableId.of(COS_MAP_TABLE)); |
| 175 | break; |
| 176 | case IP: |
| 177 | builder.setTableId(TableId.of(FIB_TABLE)); |
| 178 | break; |
| 179 | case MPLS: |
| 180 | builder.setTableId(TableId.of(MPLS_TABLE)); |
| 181 | break; |
| 182 | case ACL: |
| 183 | builder.setTableId(TableId.of(LOCAL_TABLE)); |
| 184 | break; |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 185 | case FIRST: |
| 186 | builder.setTableId(TableId.of(FIRST_TABLE)); |
| 187 | break; |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 188 | case NONE: |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 189 | builder.setTableId(TableId.of(LOCAL_TABLE)); |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 190 | break; |
| 191 | default: |
| 192 | log.warn("Unknown table type: {}", type); |
| 193 | } |
alshabib | 1058080 | 2015-02-18 18:30:33 -0800 | [diff] [blame] | 194 | builder.setInstructions(newInstructions); |
Saurav Das | cbe6de3 | 2015-03-01 18:30:46 -0800 | [diff] [blame] | 195 | OFMessage msgnew = builder.build(); |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 196 | channel.write(Collections.singletonList(msgnew)); |
Saurav Das | cbe6de3 | 2015-03-01 18:30:46 -0800 | [diff] [blame] | 197 | log.debug("Installed {}", msgnew); |
| 198 | |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 199 | } else { |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 200 | channel.write(Collections.singletonList(msg)); |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | @Override |
| 205 | public TableType getTableType(TableId tid) { |
| 206 | switch (tid.getValue()) { |
| 207 | case VLAN_MPLS_TABLE: |
| 208 | return TableType.VLAN_MPLS; |
| 209 | case VLAN_TABLE: |
| 210 | return TableType.VLAN; |
| 211 | case ETHER_TABLE: |
| 212 | return TableType.ETHER; |
| 213 | case COS_MAP_TABLE: |
| 214 | return TableType.COS; |
| 215 | case FIB_TABLE: |
| 216 | return TableType.IP; |
| 217 | case MPLS_TABLE: |
| 218 | return TableType.MPLS; |
| 219 | case LOCAL_TABLE: |
| 220 | return TableType.NONE; |
| 221 | case FIRST_TABLE: |
| 222 | return TableType.FIRST; |
| 223 | default: |
| 224 | log.warn("Unknown table type: {}", tid.getValue()); |
| 225 | return TableType.NONE; |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 226 | } |
| 227 | } |
| 228 | |
| 229 | @Override |
| 230 | public Boolean supportNxRole() { |
| 231 | return false; |
| 232 | } |
| 233 | |
| 234 | @Override |
alshabib | da1644e | 2015-03-13 14:01:35 -0700 | [diff] [blame^] | 235 | public void startDriverHandshake() { |
| 236 | if (startDriverHandshakeCalled) { |
| 237 | throw new SwitchDriverSubHandshakeAlreadyStarted(); |
| 238 | } |
| 239 | startDriverHandshakeCalled = true; |
| 240 | OFFlowMod fm = factory().buildFlowDelete() |
| 241 | .setTableId(TableId.ALL) |
| 242 | .setOutGroup(OFGroup.ANY) |
| 243 | .build(); |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 244 | |
alshabib | da1644e | 2015-03-13 14:01:35 -0700 | [diff] [blame^] | 245 | channel.write(Collections.singletonList(fm)); |
| 246 | |
| 247 | barrierXid = getNextTransactionId(); |
| 248 | OFBarrierRequest barrier = factory().buildBarrierRequest() |
| 249 | .setXid(barrierXid).build(); |
| 250 | |
| 251 | |
| 252 | channel.write(Collections.singletonList(barrier)); |
| 253 | |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | @Override |
alshabib | da1644e | 2015-03-13 14:01:35 -0700 | [diff] [blame^] | 257 | public boolean isDriverHandshakeComplete() { |
| 258 | if (!startDriverHandshakeCalled) { |
| 259 | throw new SwitchDriverSubHandshakeAlreadyStarted(); |
| 260 | } |
| 261 | return handShakeComplete.get(); |
| 262 | } |
| 263 | |
| 264 | @Override |
| 265 | public void processDriverHandshakeMessage(OFMessage m) { |
| 266 | if (!startDriverHandshakeCalled) { |
| 267 | throw new SwitchDriverSubHandshakeNotStarted(); |
| 268 | } |
| 269 | if (handShakeComplete.get()) { |
| 270 | throw new SwitchDriverSubHandshakeCompleted(m); |
| 271 | } |
| 272 | if (m.getType() == OFType.BARRIER_REPLY && |
| 273 | m.getXid() == barrierXid) { |
| 274 | handShakeComplete.set(true); |
| 275 | } |
| 276 | } |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 277 | } |