Alessio Giorgetti | c1518bb | 2017-11-17 17:01:26 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Foundation |
| 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 | |
| 17 | package org.onosproject.drivers.hp; |
| 18 | |
| 19 | import org.onlab.packet.Ethernet; |
| 20 | import org.onosproject.core.GroupId; |
| 21 | import org.onosproject.net.PortNumber; |
alessio | ff124ad | 2018-11-13 13:25:51 +0100 | [diff] [blame] | 22 | import org.onosproject.net.flow.TrafficSelector; |
| 23 | import org.onosproject.net.flow.TrafficTreatment; |
Alessio Giorgetti | c1518bb | 2017-11-17 17:01:26 +0100 | [diff] [blame] | 24 | import org.onosproject.net.flow.FlowRule; |
| 25 | import org.onosproject.net.flow.criteria.Criterion; |
| 26 | import org.onosproject.net.flow.criteria.EthCriterion; |
| 27 | import org.onosproject.net.flow.criteria.EthTypeCriterion; |
| 28 | import org.onosproject.net.flow.criteria.IPCriterion; |
| 29 | import org.onosproject.net.flow.criteria.PortCriterion; |
| 30 | import org.onosproject.net.flow.criteria.VlanIdCriterion; |
| 31 | import org.onosproject.net.flow.instructions.Instruction; |
| 32 | import org.onosproject.net.flow.instructions.Instructions; |
| 33 | import org.onosproject.net.flow.instructions.L2ModificationInstruction; |
| 34 | import org.onosproject.net.flow.instructions.L3ModificationInstruction; |
| 35 | import org.onosproject.net.flowobjective.FilteringObjective; |
Alessio Giorgetti | c1518bb | 2017-11-17 17:01:26 +0100 | [diff] [blame] | 36 | import org.onosproject.net.group.Group; |
| 37 | |
| 38 | import org.slf4j.Logger; |
| 39 | |
| 40 | import static org.slf4j.LoggerFactory.getLogger; |
| 41 | |
| 42 | /** |
| 43 | * Driver for HP hybrid switches employing V2 hardware module. |
| 44 | * |
| 45 | * - HP2920 |
| 46 | * - HP3800, tested |
| 47 | * - HP5400, depends on switch configuration if "no-allow-v1-modules" it operates as V2 |
| 48 | * - HP5400R, depends on switch configuration if "allow-v2-modules" it operates as V2 |
| 49 | * - HP8200, depends on switch configuration if "no-allow-v1-modules" it operates as V2 |
| 50 | * |
| 51 | * Refer to the device manual to check unsupported features and features supported in hardware |
| 52 | * |
| 53 | */ |
| 54 | |
| 55 | public class HPPipelineV2 extends AbstractHPPipeline { |
| 56 | |
| 57 | private final Logger log = getLogger(getClass()); |
| 58 | |
| 59 | @Override |
| 60 | protected FlowRule.Builder setDefaultTableIdForFlowObjective(FlowRule.Builder ruleBuilder) { |
| 61 | log.debug("HP V2 Driver - Setting default table id to hardware table {}", HP_HARDWARE_TABLE); |
| 62 | return ruleBuilder.forTable(HP_HARDWARE_TABLE); |
| 63 | } |
| 64 | |
| 65 | @Override |
| 66 | protected void initUnSupportedFeatures() { |
| 67 | //Initialize unsupported criteria |
| 68 | unsupportedCriteria.add(Criterion.Type.METADATA); |
| 69 | unsupportedCriteria.add(Criterion.Type.IP_ECN); |
| 70 | unsupportedCriteria.add(Criterion.Type.SCTP_SRC); |
| 71 | unsupportedCriteria.add(Criterion.Type.SCTP_SRC_MASKED); |
| 72 | unsupportedCriteria.add(Criterion.Type.SCTP_DST); |
| 73 | unsupportedCriteria.add(Criterion.Type.SCTP_DST_MASKED); |
| 74 | unsupportedCriteria.add(Criterion.Type.IPV6_ND_SLL); |
| 75 | unsupportedCriteria.add(Criterion.Type.IPV6_ND_TLL); |
| 76 | unsupportedCriteria.add(Criterion.Type.MPLS_LABEL); |
| 77 | unsupportedCriteria.add(Criterion.Type.MPLS_TC); |
| 78 | unsupportedCriteria.add(Criterion.Type.MPLS_BOS); |
| 79 | unsupportedCriteria.add(Criterion.Type.PBB_ISID); |
| 80 | unsupportedCriteria.add(Criterion.Type.TUNNEL_ID); |
| 81 | unsupportedCriteria.add(Criterion.Type.IPV6_EXTHDR); |
| 82 | |
| 83 | //Initialize unsupported instructions |
| 84 | unsupportedInstructions.add(Instruction.Type.QUEUE); |
| 85 | unsupportedInstructions.add(Instruction.Type.METADATA); |
| 86 | unsupportedInstructions.add(Instruction.Type.L0MODIFICATION); |
| 87 | unsupportedInstructions.add(Instruction.Type.L1MODIFICATION); |
| 88 | unsupportedInstructions.add(Instruction.Type.PROTOCOL_INDEPENDENT); |
| 89 | unsupportedInstructions.add(Instruction.Type.EXTENSION); |
| 90 | unsupportedInstructions.add(Instruction.Type.STAT_TRIGGER); |
| 91 | |
| 92 | //Initialize unsupportet L2MODIFICATION actions |
| 93 | unsupportedL2mod.add(L2ModificationInstruction.L2SubType.MPLS_PUSH); |
| 94 | unsupportedL2mod.add(L2ModificationInstruction.L2SubType.MPLS_POP); |
| 95 | unsupportedL2mod.add(L2ModificationInstruction.L2SubType.MPLS_LABEL); |
| 96 | unsupportedL2mod.add(L2ModificationInstruction.L2SubType.MPLS_BOS); |
| 97 | unsupportedL2mod.add(L2ModificationInstruction.L2SubType.DEC_MPLS_TTL); |
| 98 | |
| 99 | //Initialize unsupported L3MODIFICATION actions |
| 100 | unsupportedL3mod.add(L3ModificationInstruction.L3SubType.TTL_IN); |
| 101 | unsupportedL3mod.add(L3ModificationInstruction.L3SubType.TTL_OUT); |
| 102 | unsupportedL3mod.add(L3ModificationInstruction.L3SubType.DEC_TTL); |
| 103 | |
| 104 | //All L4MODIFICATION actions are supported |
| 105 | } |
| 106 | |
| 107 | @Override |
| 108 | protected void initHardwareCriteria() { |
| 109 | log.debug("HP V2 Driver - Initializing hardware supported criteria"); |
| 110 | |
| 111 | hardwareCriteria.add(Criterion.Type.IN_PORT); |
| 112 | hardwareCriteria.add(Criterion.Type.VLAN_VID); |
| 113 | hardwareCriteria.add(Criterion.Type.VLAN_PCP); |
| 114 | |
| 115 | //Match in hardware is not supported ETH_TYPE == VLAN (0x8100) |
| 116 | hardwareCriteria.add(Criterion.Type.ETH_TYPE); |
| 117 | |
| 118 | hardwareCriteria.add(Criterion.Type.ETH_SRC); |
| 119 | hardwareCriteria.add(Criterion.Type.ETH_DST); |
| 120 | hardwareCriteria.add(Criterion.Type.IPV4_SRC); |
| 121 | hardwareCriteria.add(Criterion.Type.IPV4_DST); |
| 122 | hardwareCriteria.add(Criterion.Type.IP_PROTO); |
| 123 | hardwareCriteria.add(Criterion.Type.IP_DSCP); |
| 124 | hardwareCriteria.add(Criterion.Type.TCP_SRC); |
| 125 | hardwareCriteria.add(Criterion.Type.TCP_DST); |
| 126 | } |
| 127 | |
| 128 | @Override |
| 129 | protected void initHardwareInstructions() { |
| 130 | log.debug("HP V2 Driver - Initializing hardware supported instructions"); |
| 131 | |
| 132 | hardwareInstructions.add(Instruction.Type.OUTPUT); |
| 133 | |
| 134 | //Only modification of VLAN priority (VLAN_PCP) is supported in hardware |
| 135 | hardwareInstructions.add(Instruction.Type.L2MODIFICATION); |
| 136 | |
| 137 | hardwareInstructionsL2mod.add(L2ModificationInstruction.L2SubType.ETH_SRC); |
| 138 | hardwareInstructionsL2mod.add(L2ModificationInstruction.L2SubType.ETH_DST); |
| 139 | hardwareInstructionsL2mod.add(L2ModificationInstruction.L2SubType.VLAN_ID); |
| 140 | hardwareInstructionsL2mod.add(L2ModificationInstruction.L2SubType.VLAN_PCP); |
| 141 | |
| 142 | //Only GROUP of type ALL is supported in hardware |
| 143 | //Moreover, for hardware support, each bucket must contain one and only one instruction of type OUTPUT |
| 144 | hardwareInstructions.add(Instruction.Type.GROUP); |
| 145 | |
| 146 | hardwareGroups.add(Group.Type.ALL); |
| 147 | |
| 148 | //TODO also L3MODIFICATION of IP_DSCP is supported in hardware |
| 149 | } |
| 150 | |
| 151 | //Return TRUE if ForwardingObjective fwd includes UNSUPPORTED features |
| 152 | @Override |
alessio | ff124ad | 2018-11-13 13:25:51 +0100 | [diff] [blame] | 153 | protected boolean checkUnSupportedFeatures(TrafficSelector selector, TrafficTreatment treatment) { |
Alessio Giorgetti | c1518bb | 2017-11-17 17:01:26 +0100 | [diff] [blame] | 154 | boolean unsupportedFeatures = false; |
| 155 | |
alessio | ff124ad | 2018-11-13 13:25:51 +0100 | [diff] [blame] | 156 | for (Criterion criterion : selector.criteria()) { |
Alessio Giorgetti | c1518bb | 2017-11-17 17:01:26 +0100 | [diff] [blame] | 157 | if (this.unsupportedCriteria.contains(criterion.type())) { |
| 158 | log.warn("HP V2 Driver - unsupported criteria {}", criterion.type()); |
| 159 | |
| 160 | unsupportedFeatures = true; |
| 161 | } |
| 162 | } |
| 163 | |
alessio | ff124ad | 2018-11-13 13:25:51 +0100 | [diff] [blame] | 164 | for (Instruction instruction : treatment.allInstructions()) { |
Alessio Giorgetti | c1518bb | 2017-11-17 17:01:26 +0100 | [diff] [blame] | 165 | if (this.unsupportedInstructions.contains(instruction.type())) { |
| 166 | log.warn("HP V2 Driver - unsupported instruction {}", instruction.type()); |
| 167 | |
| 168 | unsupportedFeatures = true; |
| 169 | } |
| 170 | |
| 171 | if (instruction.type() == Instruction.Type.L2MODIFICATION) { |
| 172 | if (this.unsupportedL2mod.contains(((L2ModificationInstruction) instruction).subtype())) { |
| 173 | log.warn("HP V2 Driver - unsupported L2MODIFICATION instruction {}", |
| 174 | ((L2ModificationInstruction) instruction).subtype()); |
| 175 | |
| 176 | unsupportedFeatures = true; |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | if (instruction.type() == Instruction.Type.L3MODIFICATION) { |
| 181 | if (this.unsupportedL3mod.contains(((L3ModificationInstruction) instruction).subtype())) { |
| 182 | log.warn("HP V2 Driver - unsupported L3MODIFICATION instruction {}", |
| 183 | ((L3ModificationInstruction) instruction).subtype()); |
| 184 | |
| 185 | unsupportedFeatures = true; |
| 186 | } |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | return unsupportedFeatures; |
| 191 | } |
| 192 | |
| 193 | @Override |
alessio | ff124ad | 2018-11-13 13:25:51 +0100 | [diff] [blame] | 194 | protected int tableIdForForwardingObjective(TrafficSelector selector, TrafficTreatment treatment) { |
Alessio Giorgetti | c1518bb | 2017-11-17 17:01:26 +0100 | [diff] [blame] | 195 | boolean hardwareProcess = true; |
| 196 | |
| 197 | log.debug("HP V2 Driver - Evaluating the ForwardingObjective for proper TableID"); |
| 198 | |
| 199 | //Check criteria supported in hardware |
alessio | ff124ad | 2018-11-13 13:25:51 +0100 | [diff] [blame] | 200 | for (Criterion criterion : selector.criteria()) { |
Alessio Giorgetti | c1518bb | 2017-11-17 17:01:26 +0100 | [diff] [blame] | 201 | |
| 202 | if (!this.hardwareCriteria.contains(criterion.type())) { |
| 203 | log.warn("HP V2 Driver - criterion {} only supported in SOFTWARE", criterion.type()); |
| 204 | |
| 205 | hardwareProcess = false; |
| 206 | break; |
| 207 | } |
| 208 | |
| 209 | //V2 does not support hardware match on ETH_TYPE of value TYPE_VLAN (tested on HP3800 16.04) |
| 210 | if (criterion.type() == Criterion.Type.ETH_TYPE) { |
| 211 | |
| 212 | if (((EthTypeCriterion) criterion).ethType().toShort() == Ethernet.TYPE_VLAN) { |
| 213 | log.warn("HP V2 Driver - ETH_TYPE == VLAN (0x8100) is only supported in software"); |
| 214 | |
| 215 | hardwareProcess = false; |
| 216 | break; |
| 217 | } |
| 218 | } |
| 219 | |
| 220 | //HP2920 cannot match in hardware the ETH_DST in non-IP packets - TO BE REFINED AND TESTED |
| 221 | if (deviceHwVersion.contains("2920")) { |
| 222 | |
| 223 | if (criterion.type() == Criterion.Type.ETH_DST) { |
| 224 | log.warn("HP V2 Driver (specific for HP2920) " + |
| 225 | "- criterion {} only supported in SOFTWARE", criterion.type()); |
| 226 | |
| 227 | hardwareProcess = false; |
| 228 | break; |
| 229 | } |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | //Check if a CLEAR action is included |
alessio | ff124ad | 2018-11-13 13:25:51 +0100 | [diff] [blame] | 234 | if (treatment.clearedDeferred()) { |
Alessio Giorgetti | c1518bb | 2017-11-17 17:01:26 +0100 | [diff] [blame] | 235 | log.warn("HP V2 Driver - CLEAR action only supported in SOFTWARE"); |
| 236 | |
| 237 | hardwareProcess = false; |
| 238 | } |
| 239 | |
| 240 | //If criteria can be processed in hardware, then check treatment |
| 241 | if (hardwareProcess) { |
alessio | ff124ad | 2018-11-13 13:25:51 +0100 | [diff] [blame] | 242 | for (Instruction instruction : treatment.allInstructions()) { |
Alessio Giorgetti | c1518bb | 2017-11-17 17:01:26 +0100 | [diff] [blame] | 243 | |
| 244 | //Check if the instruction type is contained in the hardware instruction |
| 245 | if (!this.hardwareInstructions.contains(instruction.type())) { |
| 246 | log.warn("HP V2 Driver - instruction {} only supported in SOFTWARE", instruction.type()); |
| 247 | |
| 248 | hardwareProcess = false; |
| 249 | break; |
| 250 | } |
| 251 | |
alessio | ff124ad | 2018-11-13 13:25:51 +0100 | [diff] [blame] | 252 | /* If output is CONTROLLER_PORT the flow entry could be installed in hardware |
Alessio Giorgetti | c1518bb | 2017-11-17 17:01:26 +0100 | [diff] [blame] | 253 | * but is anyway processed in software because OPENFLOW header has to be added |
| 254 | */ |
| 255 | if (instruction.type() == Instruction.Type.OUTPUT) { |
| 256 | if (((Instructions.OutputInstruction) instruction).port() == PortNumber.CONTROLLER) { |
| 257 | log.warn("HP V2 Driver - Forwarding to CONTROLLER only supported in software"); |
| 258 | |
| 259 | hardwareProcess = false; |
| 260 | break; |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | //Check if the specific L2MODIFICATION.subtype is supported in hardware |
| 265 | if (instruction.type() == Instruction.Type.L2MODIFICATION) { |
| 266 | |
| 267 | if (!this.hardwareInstructionsL2mod.contains(((L2ModificationInstruction) instruction).subtype())) { |
| 268 | log.warn("HP V2 Driver - L2MODIFICATION.subtype {} only supported in SOFTWARE", |
| 269 | ((L2ModificationInstruction) instruction).subtype()); |
| 270 | |
| 271 | hardwareProcess = false; |
| 272 | break; |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | //Check if the specific GROUP addressed in the instruction is: |
| 277 | // --- installed in the device |
| 278 | // --- type ALL |
| 279 | // TODO --- check if all the buckets contains one and only one output action |
| 280 | if (instruction.type() == Instruction.Type.GROUP) { |
| 281 | boolean groupInstalled = false; |
| 282 | |
| 283 | GroupId groupId = ((Instructions.GroupInstruction) instruction).groupId(); |
| 284 | |
| 285 | Iterable<Group> groupsOnDevice = groupService.getGroups(deviceId); |
| 286 | |
| 287 | for (Group group : groupsOnDevice) { |
| 288 | |
| 289 | if ((group.state() == Group.GroupState.ADDED) && (group.id().equals(groupId))) { |
| 290 | groupInstalled = true; |
| 291 | |
| 292 | if (group.type() != Group.Type.ALL) { |
| 293 | log.warn("HP V2 Driver - group type {} only supported in SOFTWARE", |
| 294 | group.type().toString()); |
| 295 | hardwareProcess = false; |
| 296 | } |
| 297 | |
| 298 | break; |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | if (!groupInstalled) { |
| 303 | log.warn("HP V2 Driver - referenced group is not installed on the device."); |
| 304 | hardwareProcess = false; |
| 305 | } |
| 306 | } |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | if (hardwareProcess) { |
| 311 | log.warn("HP V2 Driver - This flow rule is supported in HARDWARE"); |
| 312 | return HP_HARDWARE_TABLE; |
| 313 | } else { |
| 314 | //TODO: create a specific flow in table 100 to redirect selected traffic on table 200 |
| 315 | |
| 316 | log.warn("HP V2 Driver - This flow rule is only supported in SOFTWARE"); |
| 317 | return HP_SOFTWARE_TABLE; |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | @Override |
| 322 | public void filter(FilteringObjective filter) { |
| 323 | log.error("Unsupported FilteringObjective: : filtering method send"); |
| 324 | } |
| 325 | |
| 326 | @Override |
| 327 | protected FlowRule.Builder processEthFilter(FilteringObjective filt, EthCriterion eth, PortCriterion port) { |
| 328 | log.error("Unsupported FilteringObjective: processEthFilter invoked"); |
| 329 | return null; |
| 330 | } |
| 331 | |
| 332 | @Override |
| 333 | protected FlowRule.Builder processVlanFilter(FilteringObjective filt, VlanIdCriterion vlan, PortCriterion port) { |
| 334 | log.error("Unsupported FilteringObjective: processVlanFilter invoked"); |
| 335 | return null; |
| 336 | } |
| 337 | |
| 338 | @Override |
| 339 | protected FlowRule.Builder processIpFilter(FilteringObjective filt, IPCriterion ip, PortCriterion port) { |
| 340 | log.error("Unsupported FilteringObjective: processIpFilter invoked"); |
| 341 | return null; |
| 342 | } |
| 343 | } |