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; |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 19 | |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 20 | import org.onosproject.openflow.controller.Dpid; |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 21 | import org.onosproject.openflow.controller.driver.AbstractOpenFlowSwitch; |
| 22 | import org.projectfloodlight.openflow.protocol.OFDescStatsReply; |
| 23 | import org.projectfloodlight.openflow.protocol.OFFlowMod; |
| 24 | import org.projectfloodlight.openflow.protocol.OFMessage; |
| 25 | import org.projectfloodlight.openflow.protocol.OFType; |
| 26 | import org.projectfloodlight.openflow.protocol.instruction.OFInstruction; |
| 27 | import org.projectfloodlight.openflow.protocol.instruction.OFInstructionGotoTable; |
| 28 | import org.projectfloodlight.openflow.types.TableId; |
| 29 | |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 30 | import java.util.ArrayList; |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 31 | import java.util.Collections; |
| 32 | import java.util.List; |
| 33 | |
| 34 | /** |
| 35 | * Corsa switch driver for BGP Router deployment. |
| 36 | */ |
| 37 | public class OFCorsaSwitchDriver extends AbstractOpenFlowSwitch { |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 38 | private static final int FIRST_TABLE = 0; |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 39 | private static final int VLAN_MPLS_TABLE = 1; |
| 40 | private static final int VLAN_TABLE = 2; |
| 41 | private static final int MPLS_TABLE = 3; |
| 42 | private static final int ETHER_TABLE = 4; |
| 43 | private static final int COS_MAP_TABLE = 5; |
| 44 | private static final int FIB_TABLE = 6; |
| 45 | private static final int LOCAL_TABLE = 9; |
| 46 | |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 47 | OFCorsaSwitchDriver(Dpid dpid, OFDescStatsReply desc) { |
| 48 | super(dpid); |
| 49 | |
| 50 | setSwitchDescription(desc); |
| 51 | } |
| 52 | |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 53 | /** |
| 54 | * Used by the default sendMsg to 'write' to the switch. |
| 55 | * This method is indirectly used by generic onos services like proxyarp |
| 56 | * to request packets from the default flow table. In a multi-table |
| 57 | * pipeline, these requests are redirected to the correct table. |
| 58 | * |
| 59 | * For the Corsa switch, the equivalent table is the LOCAL TABLE |
| 60 | * |
| 61 | */ |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 62 | @Override |
| 63 | public void write(OFMessage msg) { |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 64 | if (msg.getType() == OFType.FLOW_MOD) { |
| 65 | OFFlowMod flowMod = (OFFlowMod) msg; |
| 66 | OFFlowMod.Builder builder = flowMod.createBuilder(); |
| 67 | builder.setTableId(TableId.of(LOCAL_TABLE)); |
| 68 | channel.write(Collections.singletonList(builder.build())); |
| 69 | } else { |
| 70 | channel.write(Collections.singletonList(msg)); |
| 71 | } |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 72 | } |
| 73 | |
| 74 | @Override |
| 75 | public void write(List<OFMessage> msgs) { |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 76 | List<OFMessage> newMsgs = new ArrayList<OFMessage>(); |
| 77 | for (OFMessage msg : msgs) { |
| 78 | if (msg.getType() == OFType.FLOW_MOD) { |
| 79 | OFFlowMod flowMod = (OFFlowMod) msg; |
| 80 | OFFlowMod.Builder builder = flowMod.createBuilder(); |
| 81 | builder.setTableId(TableId.of(LOCAL_TABLE)); |
| 82 | newMsgs.add(builder.build()); |
| 83 | } else { |
| 84 | newMsgs.add(msg); |
| 85 | } |
| 86 | } |
| 87 | channel.write(newMsgs); |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 88 | } |
| 89 | |
| 90 | @Override |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 91 | public void transformAndSendMsg(OFMessage msg, TableType type) { |
Saurav Das | fbe25c5 | 2015-03-04 11:12:00 -0800 | [diff] [blame^] | 92 | log.trace("Trying to send {} of TableType {}", msg, type); |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 93 | if (msg.getType() == OFType.FLOW_MOD) { |
| 94 | OFFlowMod flowMod = (OFFlowMod) msg; |
| 95 | OFFlowMod.Builder builder = flowMod.createBuilder(); |
Saurav Das | cbe6de3 | 2015-03-01 18:30:46 -0800 | [diff] [blame] | 96 | List<OFInstruction> instructions = flowMod.getInstructions(); |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 97 | List<OFInstruction> newInstructions = Lists.newArrayList(); |
| 98 | for (OFInstruction i : instructions) { |
| 99 | if (i instanceof OFInstructionGotoTable) { |
| 100 | OFInstructionGotoTable gotoTable = (OFInstructionGotoTable) i; |
| 101 | TableType tid = TableType.values()[gotoTable.getTableId().getValue()]; |
| 102 | switch (tid) { |
| 103 | case VLAN_MPLS: |
| 104 | newInstructions.add( |
| 105 | gotoTable.createBuilder() |
| 106 | .setTableId(TableId.of(VLAN_MPLS_TABLE)).build()); |
| 107 | break; |
| 108 | case VLAN: |
| 109 | newInstructions.add( |
| 110 | gotoTable.createBuilder() |
| 111 | .setTableId(TableId.of(VLAN_TABLE)).build()); |
| 112 | break; |
| 113 | case ETHER: |
| 114 | newInstructions.add( |
| 115 | gotoTable.createBuilder() |
| 116 | .setTableId(TableId.of(ETHER_TABLE)).build()); |
| 117 | break; |
| 118 | case COS: |
| 119 | newInstructions.add( |
| 120 | gotoTable.createBuilder() |
| 121 | .setTableId(TableId.of(COS_MAP_TABLE)).build()); |
| 122 | break; |
| 123 | case IP: |
| 124 | newInstructions.add( |
| 125 | gotoTable.createBuilder() |
| 126 | .setTableId(TableId.of(FIB_TABLE)).build()); |
| 127 | break; |
| 128 | case MPLS: |
| 129 | newInstructions.add( |
| 130 | gotoTable.createBuilder() |
| 131 | .setTableId(TableId.of(MPLS_TABLE)).build()); |
| 132 | break; |
| 133 | case ACL: |
| 134 | newInstructions.add( |
| 135 | gotoTable.createBuilder() |
| 136 | .setTableId(TableId.of(LOCAL_TABLE)).build()); |
| 137 | break; |
| 138 | case NONE: |
Saurav Das | cbe6de3 | 2015-03-01 18:30:46 -0800 | [diff] [blame] | 139 | log.error("Should never have to go to Table 0"); |
| 140 | /*newInstructions.add( |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 141 | gotoTable.createBuilder() |
| 142 | .setTableId(TableId.of(0)).build()); |
Saurav Das | cbe6de3 | 2015-03-01 18:30:46 -0800 | [diff] [blame] | 143 | */ |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 144 | break; |
| 145 | default: |
| 146 | log.warn("Unknown table type: {}", tid); |
| 147 | } |
| 148 | |
| 149 | } else { |
| 150 | newInstructions.add(i); |
| 151 | } |
| 152 | } |
| 153 | switch (type) { |
| 154 | case VLAN_MPLS: |
| 155 | builder.setTableId(TableId.of(VLAN_MPLS_TABLE)); |
| 156 | break; |
| 157 | case VLAN: |
| 158 | builder.setTableId(TableId.of(VLAN_TABLE)); |
| 159 | break; |
| 160 | case ETHER: |
| 161 | builder.setTableId(TableId.of(ETHER_TABLE)); |
| 162 | break; |
| 163 | case COS: |
| 164 | builder.setTableId(TableId.of(COS_MAP_TABLE)); |
| 165 | break; |
| 166 | case IP: |
| 167 | builder.setTableId(TableId.of(FIB_TABLE)); |
| 168 | break; |
| 169 | case MPLS: |
| 170 | builder.setTableId(TableId.of(MPLS_TABLE)); |
| 171 | break; |
| 172 | case ACL: |
| 173 | builder.setTableId(TableId.of(LOCAL_TABLE)); |
| 174 | break; |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 175 | case FIRST: |
| 176 | builder.setTableId(TableId.of(FIRST_TABLE)); |
| 177 | break; |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 178 | case NONE: |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 179 | builder.setTableId(TableId.of(LOCAL_TABLE)); |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 180 | break; |
| 181 | default: |
| 182 | log.warn("Unknown table type: {}", type); |
| 183 | } |
alshabib | 1058080 | 2015-02-18 18:30:33 -0800 | [diff] [blame] | 184 | builder.setInstructions(newInstructions); |
Saurav Das | cbe6de3 | 2015-03-01 18:30:46 -0800 | [diff] [blame] | 185 | OFMessage msgnew = builder.build(); |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 186 | channel.write(Collections.singletonList(msgnew)); |
Saurav Das | cbe6de3 | 2015-03-01 18:30:46 -0800 | [diff] [blame] | 187 | log.debug("Installed {}", msgnew); |
| 188 | |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 189 | } else { |
Saurav Das | fa2fa93 | 2015-03-03 11:29:48 -0800 | [diff] [blame] | 190 | channel.write(Collections.singletonList(msg)); |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | @Override |
| 195 | public TableType getTableType(TableId tid) { |
| 196 | switch (tid.getValue()) { |
| 197 | case VLAN_MPLS_TABLE: |
| 198 | return TableType.VLAN_MPLS; |
| 199 | case VLAN_TABLE: |
| 200 | return TableType.VLAN; |
| 201 | case ETHER_TABLE: |
| 202 | return TableType.ETHER; |
| 203 | case COS_MAP_TABLE: |
| 204 | return TableType.COS; |
| 205 | case FIB_TABLE: |
| 206 | return TableType.IP; |
| 207 | case MPLS_TABLE: |
| 208 | return TableType.MPLS; |
| 209 | case LOCAL_TABLE: |
| 210 | return TableType.NONE; |
| 211 | case FIRST_TABLE: |
| 212 | return TableType.FIRST; |
| 213 | default: |
| 214 | log.warn("Unknown table type: {}", tid.getValue()); |
| 215 | return TableType.NONE; |
alshabib | 9af7007 | 2015-02-09 14:34:16 -0800 | [diff] [blame] | 216 | } |
| 217 | } |
| 218 | |
| 219 | @Override |
| 220 | public Boolean supportNxRole() { |
| 221 | return false; |
| 222 | } |
| 223 | |
| 224 | @Override |
| 225 | public void startDriverHandshake() {} |
| 226 | |
| 227 | @Override |
| 228 | public boolean isDriverHandshakeComplete() { |
| 229 | return true; |
| 230 | } |
| 231 | |
| 232 | @Override |
| 233 | public void processDriverHandshakeMessage(OFMessage m) {} |
| 234 | } |