Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [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.pipelines.fabric.pipeliner; |
| 18 | |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 19 | import org.onlab.packet.VlanId; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 20 | import org.onosproject.net.DeviceId; |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 21 | import org.onosproject.net.PortNumber; |
Yi Tseng | 4fd2843 | 2018-02-01 14:48:03 -0800 | [diff] [blame] | 22 | import org.onosproject.net.driver.Driver; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 23 | import org.onosproject.net.flow.DefaultFlowRule; |
| 24 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 25 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 26 | import org.onosproject.net.flow.TrafficSelector; |
| 27 | import org.onosproject.net.flow.TrafficTreatment; |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 28 | import org.onosproject.net.flow.criteria.Criterion; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 29 | import org.onosproject.net.flow.criteria.PiCriterion; |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 30 | import org.onosproject.net.flow.criteria.VlanIdCriterion; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 31 | import org.onosproject.net.flow.instructions.Instruction; |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 32 | import org.onosproject.net.flow.instructions.L2ModificationInstruction; |
Yi Tseng | 4fd2843 | 2018-02-01 14:48:03 -0800 | [diff] [blame] | 33 | import org.onosproject.net.flowobjective.DefaultNextObjective; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 34 | import org.onosproject.net.flowobjective.NextObjective; |
Yi Tseng | 6e9b6f5 | 2018-02-27 10:40:51 +0100 | [diff] [blame] | 35 | import org.onosproject.net.flowobjective.Objective; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 36 | import org.onosproject.net.flowobjective.ObjectiveError; |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 37 | import org.onosproject.net.group.DefaultGroupBucket; |
| 38 | import org.onosproject.net.group.DefaultGroupDescription; |
Esin Karaman | 24fda8a | 2018-01-26 11:52:28 +0000 | [diff] [blame] | 39 | import org.onosproject.net.group.DefaultGroupKey; |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 40 | import org.onosproject.net.group.GroupBucket; |
| 41 | import org.onosproject.net.group.GroupBuckets; |
| 42 | import org.onosproject.net.group.GroupDescription; |
Esin Karaman | 24fda8a | 2018-01-26 11:52:28 +0000 | [diff] [blame] | 43 | import org.onosproject.net.group.GroupKey; |
| 44 | import org.onosproject.net.pi.runtime.PiAction; |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 45 | import org.onosproject.net.pi.runtime.PiActionGroupId; |
Esin Karaman | 24fda8a | 2018-01-26 11:52:28 +0000 | [diff] [blame] | 46 | import org.onosproject.net.pi.runtime.PiActionParam; |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 47 | import org.onosproject.net.pi.runtime.PiGroupKey; |
Yi Tseng | 43ee7e8 | 2018-04-12 16:37:34 +0800 | [diff] [blame] | 48 | import org.onosproject.pipelines.fabric.FabricConstants; |
Carmelo Cascone | 1e8843f | 2018-07-19 19:01:12 +0200 | [diff] [blame^] | 49 | import org.onosproject.pipelines.fabric.FabricUtils; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 50 | import org.slf4j.Logger; |
| 51 | |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 52 | import java.util.List; |
Carmelo Cascone | 5813681 | 2018-07-19 03:40:16 +0200 | [diff] [blame] | 53 | import java.util.Optional; |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 54 | import java.util.stream.Collectors; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 55 | |
Carmelo Cascone | 1e8843f | 2018-07-19 19:01:12 +0200 | [diff] [blame^] | 56 | import static org.onosproject.pipelines.fabric.FabricUtils.getOutputPort; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 57 | import static org.slf4j.LoggerFactory.getLogger; |
| 58 | |
| 59 | /** |
| 60 | * Handling next objective for fabric pipeliner. |
| 61 | */ |
| 62 | public class FabricNextPipeliner { |
| 63 | private static final Logger log = getLogger(FabricNextPipeliner.class); |
Yi Tseng | 4fd2843 | 2018-02-01 14:48:03 -0800 | [diff] [blame] | 64 | private static final String NO_HASHED_TABLE = "noHashedTable"; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 65 | |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 66 | protected DeviceId deviceId; |
Yi Tseng | 4fd2843 | 2018-02-01 14:48:03 -0800 | [diff] [blame] | 67 | protected Driver driver; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 68 | |
Yi Tseng | 4fd2843 | 2018-02-01 14:48:03 -0800 | [diff] [blame] | 69 | public FabricNextPipeliner(DeviceId deviceId, Driver driver) { |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 70 | this.deviceId = deviceId; |
Yi Tseng | 4fd2843 | 2018-02-01 14:48:03 -0800 | [diff] [blame] | 71 | this.driver = driver; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 72 | } |
| 73 | |
| 74 | public PipelinerTranslationResult next(NextObjective nextObjective) { |
| 75 | PipelinerTranslationResult.Builder resultBuilder = PipelinerTranslationResult.builder(); |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 76 | |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 77 | processNextVlanMeta(nextObjective, resultBuilder); |
| 78 | |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 79 | switch (nextObjective.type()) { |
| 80 | case SIMPLE: |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 81 | processSimpleNext(nextObjective, resultBuilder); |
| 82 | break; |
| 83 | case HASHED: |
| 84 | processHashedNext(nextObjective, resultBuilder); |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 85 | break; |
Esin Karaman | 24fda8a | 2018-01-26 11:52:28 +0000 | [diff] [blame] | 86 | case BROADCAST: |
| 87 | processBroadcastNext(nextObjective, resultBuilder); |
| 88 | break; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 89 | default: |
| 90 | log.warn("Unsupported next type {}", nextObjective); |
| 91 | resultBuilder.setError(ObjectiveError.UNSUPPORTED); |
| 92 | break; |
| 93 | } |
| 94 | |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 95 | return resultBuilder.build(); |
| 96 | } |
| 97 | |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 98 | private void processNextVlanMeta(NextObjective next, |
| 99 | PipelinerTranslationResult.Builder resultBuilder) { |
| 100 | TrafficSelector meta = next.meta(); |
| 101 | if (meta == null) { |
| 102 | // do nothing if there is no metadata in the next objective. |
| 103 | return; |
| 104 | } |
| 105 | VlanIdCriterion vlanIdCriterion = |
| 106 | (VlanIdCriterion) meta.getCriterion(Criterion.Type.VLAN_VID); |
| 107 | |
| 108 | if (vlanIdCriterion == null) { |
| 109 | // do nothing if we can't find vlan from next objective metadata. |
| 110 | return; |
| 111 | } |
| 112 | |
| 113 | VlanId vlanId = vlanIdCriterion.vlanId(); |
| 114 | TrafficSelector selector = buildNextIdSelector(next.id()); |
| 115 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 116 | .setVlanId(vlanId) |
| 117 | .build(); |
| 118 | |
| 119 | resultBuilder.addFlowRule(DefaultFlowRule.builder() |
| 120 | .withSelector(selector) |
| 121 | .withTreatment(treatment) |
Yi Tseng | 43ee7e8 | 2018-04-12 16:37:34 +0800 | [diff] [blame] | 122 | .forTable(FabricConstants.FABRIC_INGRESS_NEXT_VLAN_META) |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 123 | .makePermanent() |
| 124 | .withPriority(next.priority()) |
| 125 | .forDevice(deviceId) |
| 126 | .fromApp(next.appId()) |
| 127 | .build()); |
| 128 | } |
| 129 | |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 130 | private void processSimpleNext(NextObjective next, |
| 131 | PipelinerTranslationResult.Builder resultBuilder) { |
| 132 | |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 133 | if (next.next().size() > 1) { |
| 134 | log.warn("Only one treatment in simple next objective"); |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 135 | resultBuilder.setError(ObjectiveError.BADPARAMS); |
| 136 | return; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | TrafficSelector selector = buildNextIdSelector(next.id()); |
| 140 | TrafficTreatment treatment = next.next().iterator().next(); |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 141 | PortNumber outputPort = getOutputPort(treatment); |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 142 | |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 143 | if (outputPort == null) { |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 144 | log.warn("At least one output instruction in simple next objective"); |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 145 | resultBuilder.setError(ObjectiveError.BADPARAMS); |
| 146 | return; |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 147 | } |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 148 | |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 149 | resultBuilder.addFlowRule(DefaultFlowRule.builder() |
| 150 | .withSelector(selector) |
| 151 | .withTreatment(treatment) |
Yi Tseng | 43ee7e8 | 2018-04-12 16:37:34 +0800 | [diff] [blame] | 152 | .forTable(FabricConstants.FABRIC_INGRESS_NEXT_SIMPLE) |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 153 | .makePermanent() |
| 154 | .withPriority(next.priority()) |
| 155 | .forDevice(deviceId) |
| 156 | .fromApp(next.appId()) |
| 157 | .build()); |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 158 | |
| 159 | if (includesPopVlanInst(treatment)) { |
| 160 | processVlanPopRule(outputPort, next, resultBuilder); |
| 161 | } |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 162 | } |
| 163 | |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 164 | private boolean includesPopVlanInst(TrafficTreatment treatment) { |
| 165 | return treatment.allInstructions() |
| 166 | .stream() |
| 167 | .filter(inst -> inst.type() == Instruction.Type.L2MODIFICATION) |
| 168 | .map(inst -> (L2ModificationInstruction) inst) |
| 169 | .anyMatch(inst -> inst.subtype() == L2ModificationInstruction.L2SubType.VLAN_POP); |
| 170 | } |
| 171 | |
| 172 | private void processVlanPopRule(PortNumber port, NextObjective next, |
| 173 | PipelinerTranslationResult.Builder resultBuilder) { |
| 174 | TrafficSelector meta = next.meta(); |
| 175 | VlanIdCriterion vlanIdCriterion = |
| 176 | (VlanIdCriterion) meta.getCriterion(Criterion.Type.VLAN_VID); |
| 177 | VlanId vlanId = vlanIdCriterion.vlanId(); |
| 178 | |
| 179 | PiCriterion egressVlanTableMatch = PiCriterion.builder() |
Yi Tseng | 43ee7e8 | 2018-04-12 16:37:34 +0800 | [diff] [blame] | 180 | .matchExact(FabricConstants.STANDARD_METADATA_EGRESS_PORT, |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 181 | (short) port.toLong()) |
| 182 | .build(); |
| 183 | // Add VLAN pop rule to egress pipeline table |
| 184 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 185 | .matchPi(egressVlanTableMatch) |
| 186 | .matchVlanId(vlanId) |
| 187 | .build(); |
| 188 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 189 | .popVlan() |
| 190 | .build(); |
| 191 | resultBuilder.addFlowRule(DefaultFlowRule.builder() |
| 192 | .withSelector(selector) |
| 193 | .withTreatment(treatment) |
Yi Tseng | 43ee7e8 | 2018-04-12 16:37:34 +0800 | [diff] [blame] | 194 | .forTable(FabricConstants.FABRIC_EGRESS_EGRESS_NEXT_EGRESS_VLAN) |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 195 | .makePermanent() |
| 196 | .withPriority(next.priority()) |
| 197 | .forDevice(deviceId) |
| 198 | .fromApp(next.appId()) |
| 199 | .build()); |
| 200 | } |
| 201 | |
| 202 | private void processHashedNext(NextObjective next, PipelinerTranslationResult.Builder resultBuilder) { |
Yi Tseng | 4fd2843 | 2018-02-01 14:48:03 -0800 | [diff] [blame] | 203 | boolean noHashedTable = Boolean.parseBoolean(driver.getProperty(NO_HASHED_TABLE)); |
| 204 | |
| 205 | if (noHashedTable) { |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 206 | if (next.next().isEmpty()) { |
Yi Tseng | 4fd2843 | 2018-02-01 14:48:03 -0800 | [diff] [blame] | 207 | return; |
| 208 | } |
| 209 | // use first action if not support hashed group |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 210 | TrafficTreatment treatment = next.next().iterator().next(); |
Yi Tseng | 4fd2843 | 2018-02-01 14:48:03 -0800 | [diff] [blame] | 211 | |
| 212 | NextObjective.Builder simpleNext = DefaultNextObjective.builder() |
| 213 | .addTreatment(treatment) |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 214 | .withId(next.id()) |
| 215 | .fromApp(next.appId()) |
Yi Tseng | 4fd2843 | 2018-02-01 14:48:03 -0800 | [diff] [blame] | 216 | .makePermanent() |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 217 | .withMeta(next.meta()) |
| 218 | .withPriority(next.priority()) |
Yi Tseng | 4fd2843 | 2018-02-01 14:48:03 -0800 | [diff] [blame] | 219 | .withType(NextObjective.Type.SIMPLE); |
| 220 | |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 221 | if (next.context().isPresent()) { |
| 222 | processSimpleNext(simpleNext.add(next.context().get()), resultBuilder); |
Yi Tseng | 4fd2843 | 2018-02-01 14:48:03 -0800 | [diff] [blame] | 223 | } else { |
| 224 | processSimpleNext(simpleNext.add(), resultBuilder); |
| 225 | } |
| 226 | return; |
| 227 | } |
| 228 | |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 229 | // create hash groups |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 230 | int groupId = next.id(); |
| 231 | List<GroupBucket> bucketList = next.next().stream() |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 232 | .map(DefaultGroupBucket::createSelectGroupBucket) |
| 233 | .collect(Collectors.toList()); |
| 234 | |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 235 | // Egress VLAN handling |
| 236 | next.next().forEach(treatment -> { |
| 237 | PortNumber outputPort = getOutputPort(treatment); |
| 238 | if (includesPopVlanInst(treatment) && outputPort != null) { |
| 239 | processVlanPopRule(outputPort, next, resultBuilder); |
| 240 | } |
| 241 | }); |
| 242 | |
| 243 | if (bucketList.size() != next.next().size()) { |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 244 | // some action not converted |
| 245 | // set error |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 246 | log.warn("Expected bucket size {}, got {}", next.next().size(), bucketList.size()); |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 247 | resultBuilder.setError(ObjectiveError.BADPARAMS); |
| 248 | return; |
| 249 | } |
| 250 | |
| 251 | GroupBuckets buckets = new GroupBuckets(bucketList); |
Yi Tseng | 43ee7e8 | 2018-04-12 16:37:34 +0800 | [diff] [blame] | 252 | PiGroupKey groupKey = new PiGroupKey(FabricConstants.FABRIC_INGRESS_NEXT_HASHED, |
| 253 | FabricConstants.FABRIC_INGRESS_NEXT_ECMP_SELECTOR, |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 254 | groupId); |
| 255 | |
| 256 | resultBuilder.addGroup(new DefaultGroupDescription(deviceId, |
| 257 | GroupDescription.Type.SELECT, |
| 258 | buckets, |
| 259 | groupKey, |
| 260 | groupId, |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 261 | next.appId())); |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 262 | |
| 263 | // flow |
Yi Tseng | 6e9b6f5 | 2018-02-27 10:40:51 +0100 | [diff] [blame] | 264 | // If operation is ADD_TO_EXIST or REMOVE_FROM_EXIST, means we modify |
| 265 | // group buckets only, no changes for flow rule |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 266 | if (next.op() == Objective.Operation.ADD_TO_EXISTING || |
| 267 | next.op() == Objective.Operation.REMOVE_FROM_EXISTING) { |
Yi Tseng | 6e9b6f5 | 2018-02-27 10:40:51 +0100 | [diff] [blame] | 268 | return; |
| 269 | } |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 270 | TrafficSelector selector = buildNextIdSelector(next.id()); |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 271 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 272 | .piTableAction(PiActionGroupId.of(next.id())) |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 273 | .build(); |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 274 | |
| 275 | resultBuilder.addFlowRule(DefaultFlowRule.builder() |
| 276 | .withSelector(selector) |
| 277 | .withTreatment(treatment) |
Yi Tseng | 43ee7e8 | 2018-04-12 16:37:34 +0800 | [diff] [blame] | 278 | .forTable(FabricConstants.FABRIC_INGRESS_NEXT_HASHED) |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 279 | .makePermanent() |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 280 | .withPriority(next.priority()) |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 281 | .forDevice(deviceId) |
Yi Tseng | 20f9e7b | 2018-05-24 23:27:39 +0800 | [diff] [blame] | 282 | .fromApp(next.appId()) |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 283 | .build()); |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 284 | } |
| 285 | |
| 286 | private TrafficSelector buildNextIdSelector(int nextId) { |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 287 | PiCriterion nextIdCriterion = PiCriterion.builder() |
Yi Tseng | 43ee7e8 | 2018-04-12 16:37:34 +0800 | [diff] [blame] | 288 | .matchExact(FabricConstants.FABRIC_METADATA_NEXT_ID, nextId) |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 289 | .build(); |
| 290 | return DefaultTrafficSelector.builder() |
Yi Tseng | 1b154bd | 2017-11-20 17:48:19 -0800 | [diff] [blame] | 291 | .matchPi(nextIdCriterion) |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 292 | .build(); |
| 293 | } |
Esin Karaman | 24fda8a | 2018-01-26 11:52:28 +0000 | [diff] [blame] | 294 | |
| 295 | private void processBroadcastNext(NextObjective next, PipelinerTranslationResult.Builder resultBuilder) { |
Carmelo Cascone | 5813681 | 2018-07-19 03:40:16 +0200 | [diff] [blame] | 296 | final GroupDescription allGroup = getAllGroup(next); |
| 297 | if (allGroup == null) { |
| 298 | // Error already logged. |
Esin Karaman | 24fda8a | 2018-01-26 11:52:28 +0000 | [diff] [blame] | 299 | resultBuilder.setError(ObjectiveError.BADPARAMS); |
| 300 | return; |
| 301 | } |
| 302 | |
Carmelo Cascone | 5813681 | 2018-07-19 03:40:16 +0200 | [diff] [blame] | 303 | resultBuilder.addGroup(allGroup); |
Esin Karaman | 24fda8a | 2018-01-26 11:52:28 +0000 | [diff] [blame] | 304 | //flow rule |
Carmelo Cascone | 5813681 | 2018-07-19 03:40:16 +0200 | [diff] [blame] | 305 | final TrafficSelector selector = buildNextIdSelector(next.id()); |
| 306 | final PiActionParam groupIdParam = new PiActionParam( |
| 307 | FabricConstants.GID, allGroup.givenGroupId()); |
Esin Karaman | 24fda8a | 2018-01-26 11:52:28 +0000 | [diff] [blame] | 308 | |
Carmelo Cascone | 5813681 | 2018-07-19 03:40:16 +0200 | [diff] [blame] | 309 | final PiAction setMcGroupAction = PiAction.builder() |
Esin Karaman | 24fda8a | 2018-01-26 11:52:28 +0000 | [diff] [blame] | 310 | .withId(FabricConstants.FABRIC_INGRESS_NEXT_SET_MCAST_GROUP) |
| 311 | .withParameter(groupIdParam) |
| 312 | .build(); |
Carmelo Cascone | 5813681 | 2018-07-19 03:40:16 +0200 | [diff] [blame] | 313 | final TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
Esin Karaman | 24fda8a | 2018-01-26 11:52:28 +0000 | [diff] [blame] | 314 | .piTableAction(setMcGroupAction) |
| 315 | .build(); |
| 316 | |
Carmelo Cascone | 5813681 | 2018-07-19 03:40:16 +0200 | [diff] [blame] | 317 | resultBuilder.addFlowRule( |
| 318 | DefaultFlowRule.builder() |
| 319 | .withSelector(selector) |
| 320 | .withTreatment(treatment) |
| 321 | .forTable(FabricConstants.FABRIC_INGRESS_NEXT_MULTICAST) |
| 322 | .makePermanent() |
| 323 | .withPriority(next.priority()) |
| 324 | .forDevice(deviceId) |
| 325 | .fromApp(next.appId()) |
| 326 | .build()); |
Esin Karaman | 24fda8a | 2018-01-26 11:52:28 +0000 | [diff] [blame] | 327 | |
| 328 | // Egress VLAN handling |
Carmelo Cascone | 5813681 | 2018-07-19 03:40:16 +0200 | [diff] [blame] | 329 | next.next().forEach(t -> { |
| 330 | PortNumber outputPort = getOutputPort(t); |
| 331 | if (includesPopVlanInst(t) && outputPort != null) { |
Esin Karaman | 24fda8a | 2018-01-26 11:52:28 +0000 | [diff] [blame] | 332 | processVlanPopRule(outputPort, next, resultBuilder); |
| 333 | } |
Carmelo Cascone | 5813681 | 2018-07-19 03:40:16 +0200 | [diff] [blame] | 334 | if (t.allInstructions().size() > 2) { |
| 335 | // More than OUTPUT and VLAN_POP... |
| 336 | log.warn("Some instructions of BROADCAST NextObjective might" + |
| 337 | "not have been applied, supported only " + |
| 338 | "OUTPUT and VLAN_POP, but found {}", t); |
| 339 | } |
Esin Karaman | 24fda8a | 2018-01-26 11:52:28 +0000 | [diff] [blame] | 340 | }); |
| 341 | } |
Carmelo Cascone | 5813681 | 2018-07-19 03:40:16 +0200 | [diff] [blame] | 342 | |
| 343 | private GroupDescription getAllGroup(NextObjective next) { |
| 344 | final List<GroupBucket> bucketList = next.next().stream() |
Carmelo Cascone | 1e8843f | 2018-07-19 19:01:12 +0200 | [diff] [blame^] | 345 | .map(FabricUtils::getOutputInstruction) |
Carmelo Cascone | 5813681 | 2018-07-19 03:40:16 +0200 | [diff] [blame] | 346 | .filter(Optional::isPresent) |
| 347 | .map(Optional::get) |
| 348 | .map(i -> DefaultTrafficTreatment.builder().add(i).build()) |
| 349 | .map(DefaultGroupBucket::createAllGroupBucket) |
| 350 | .collect(Collectors.toList()); |
| 351 | |
| 352 | if (bucketList.size() != next.next().size()) { |
| 353 | log.warn("Got BROADCAST NextObjective with {} treatments but " + |
Carmelo Cascone | 1e8843f | 2018-07-19 19:01:12 +0200 | [diff] [blame^] | 354 | "found only {} OUTPUT instructions, cannot " + |
Carmelo Cascone | 5813681 | 2018-07-19 03:40:16 +0200 | [diff] [blame] | 355 | "translate to ALL groups", |
| 356 | next.next().size(), bucketList.size()); |
| 357 | return null; |
| 358 | } |
| 359 | |
Carmelo Cascone | 1e8843f | 2018-07-19 19:01:12 +0200 | [diff] [blame^] | 360 | // FIXME: remove once support for clone sessions is available |
| 361 | // Right now we add a CPU port to all multicast groups. The egress |
| 362 | // pipeline is expected to drop replicated packets to the CPU if a clone |
| 363 | // was not requested in the ingress pipeline. |
| 364 | bucketList.add( |
| 365 | DefaultGroupBucket.createAllGroupBucket( |
| 366 | DefaultTrafficTreatment.builder() |
| 367 | .setOutput(PortNumber.CONTROLLER) |
| 368 | .build())); |
| 369 | |
Carmelo Cascone | 5813681 | 2018-07-19 03:40:16 +0200 | [diff] [blame] | 370 | final int groupId = next.id(); |
| 371 | final GroupBuckets buckets = new GroupBuckets(bucketList); |
| 372 | // Used DefaultGroupKey instead of PiGroupKey |
| 373 | // as we don't have any action profile to apply to the groups of ALL type |
| 374 | final GroupKey groupKey = new DefaultGroupKey(FabricPipeliner.KRYO.serialize(groupId)); |
| 375 | |
| 376 | return new DefaultGroupDescription(deviceId, |
| 377 | GroupDescription.Type.ALL, |
| 378 | buckets, |
| 379 | groupKey, |
| 380 | groupId, |
| 381 | next.appId()); |
| 382 | } |
Yi Tseng | 0b80972 | 2017-11-03 10:23:26 -0700 | [diff] [blame] | 383 | } |