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 | |
| 19 | import org.junit.Test; |
| 20 | import org.onlab.packet.Ethernet; |
| 21 | import org.onlab.packet.MacAddress; |
| 22 | import org.onlab.packet.VlanId; |
| 23 | import org.onlab.util.ImmutableByteSequence; |
| 24 | import org.onosproject.net.PortNumber; |
| 25 | import org.onosproject.net.flow.DefaultFlowRule; |
| 26 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 27 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 28 | import org.onosproject.net.flow.FlowRule; |
| 29 | import org.onosproject.net.flow.TableId; |
| 30 | import org.onosproject.net.flow.TrafficSelector; |
| 31 | import org.onosproject.net.flow.TrafficTreatment; |
| 32 | import org.onosproject.net.flow.criteria.Criteria; |
| 33 | import org.onosproject.net.flowobjective.DefaultFilteringObjective; |
| 34 | import org.onosproject.net.flowobjective.FilteringObjective; |
| 35 | import org.onosproject.net.flowobjective.ObjectiveError; |
| 36 | import org.onosproject.net.group.GroupDescription; |
| 37 | import org.onosproject.net.pi.runtime.PiAction; |
| 38 | import org.onosproject.net.pi.runtime.PiActionParam; |
| 39 | import org.onosproject.pipelines.fabric.FabricConstants; |
| 40 | |
| 41 | import java.util.List; |
| 42 | |
| 43 | import static org.junit.Assert.assertEquals; |
| 44 | import static org.junit.Assert.assertTrue; |
| 45 | |
| 46 | /** |
| 47 | * Test cases for fabric.p4 pipeline filtering control block. |
| 48 | */ |
| 49 | public class FabricFilteringPipelinerTest extends FabricPipelinerTest { |
| 50 | |
| 51 | /** |
| 52 | * Creates one rule for ingress_port_vlan table and 3 rules for |
| 53 | * fwd_classifier table (IPv4, IPv6 and MPLS unicast) when |
| 54 | * the condition is VLAN + MAC. |
| 55 | */ |
| 56 | @Test |
| 57 | public void testRouterMacAndVlanFilter() { |
| 58 | FilteringObjective filteringObjective = buildFilteringObjective(ROUTER_MAC); |
| 59 | PipelinerTranslationResult result = pipeliner.pipelinerFilter.filter(filteringObjective); |
| 60 | |
| 61 | List<FlowRule> flowRulesInstalled = (List<FlowRule>) result.flowRules(); |
| 62 | List<GroupDescription> groupsInstalled = (List<GroupDescription>) result.groups(); |
| 63 | |
| 64 | assertTrue(groupsInstalled.isEmpty()); |
| 65 | |
| 66 | // in port vlan flow rule |
| 67 | FlowRule actualFlowRule = flowRulesInstalled.get(0); |
| 68 | FlowRule flowRuleExpected = buildExpectedVlanInPortRule(PORT_1, |
| 69 | VlanId.NONE, |
| 70 | VLAN_100, |
| 71 | FabricConstants.TBL_INGRESS_PORT_VLAN_ID); |
| 72 | assertTrue(flowRuleExpected.exactMatch(actualFlowRule)); |
| 73 | |
| 74 | // forwarding classifier ipv4 |
| 75 | actualFlowRule = flowRulesInstalled.get(1); |
| 76 | flowRuleExpected = buildExpectedFwdClassifierRule(PORT_1, |
| 77 | ROUTER_MAC, |
| 78 | Ethernet.TYPE_IPV4, |
| 79 | FWD_IPV4_UNICAST); |
| 80 | assertTrue(flowRuleExpected.exactMatch(actualFlowRule)); |
| 81 | |
| 82 | // forwarding classifier ipv6 |
| 83 | actualFlowRule = flowRulesInstalled.get(2); |
| 84 | flowRuleExpected = buildExpectedFwdClassifierRule(PORT_1, |
| 85 | ROUTER_MAC, |
| 86 | Ethernet.TYPE_IPV6, |
| 87 | FWD_IPV6_UNICAST); |
| 88 | assertTrue(flowRuleExpected.exactMatch(actualFlowRule)); |
| 89 | |
| 90 | // forwarding classifier mpls |
| 91 | actualFlowRule = flowRulesInstalled.get(3); |
| 92 | flowRuleExpected = buildExpectedFwdClassifierRule(PORT_1, |
| 93 | ROUTER_MAC, |
| 94 | Ethernet.MPLS_UNICAST, |
| 95 | FWD_MPLS); |
| 96 | assertTrue(flowRuleExpected.exactMatch(actualFlowRule)); |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Creates one rule for ingress_port_vlan table and one rule for |
| 101 | * fwd_classifier table (IPv4 multicast) when the condition is ipv4 |
| 102 | * multicast mac address. |
| 103 | */ |
| 104 | @Test |
| 105 | public void testIpv4MulticastFwdClass() { |
| 106 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 107 | .pushVlan() |
| 108 | .setVlanId(VLAN_100) |
| 109 | .build(); |
| 110 | FilteringObjective filteringObjective = DefaultFilteringObjective.builder() |
| 111 | .permit() |
| 112 | .withPriority(PRIORITY) |
| 113 | .withKey(Criteria.matchInPort(PORT_1)) |
| 114 | .addCondition(Criteria.matchEthDst(MacAddress.IPV4_MULTICAST)) |
| 115 | .addCondition(Criteria.matchVlanId(VlanId.NONE)) |
| 116 | .withMeta(treatment) |
| 117 | .fromApp(APP_ID) |
| 118 | .makePermanent() |
| 119 | .add(); |
| 120 | PipelinerTranslationResult result = pipeliner.pipelinerFilter.filter(filteringObjective); |
| 121 | List<FlowRule> flowRulesInstalled = (List<FlowRule>) result.flowRules(); |
| 122 | List<GroupDescription> groupsInstalled = (List<GroupDescription>) result.groups(); |
| 123 | |
| 124 | assertTrue(groupsInstalled.isEmpty()); |
| 125 | |
| 126 | // in port vlan flow rule |
| 127 | FlowRule actualFlowRule = flowRulesInstalled.get(0); |
| 128 | FlowRule flowRuleExpected = buildExpectedVlanInPortRule(PORT_1, |
| 129 | VlanId.NONE, |
| 130 | VLAN_100, |
| 131 | FabricConstants.TBL_INGRESS_PORT_VLAN_ID); |
| 132 | assertTrue(flowRuleExpected.exactMatch(actualFlowRule)); |
| 133 | |
| 134 | // forwarding classifier |
| 135 | actualFlowRule = flowRulesInstalled.get(1); |
| 136 | flowRuleExpected = buildExpectedFwdClassifierRule(PORT_1, |
| 137 | MacAddress.IPV4_MULTICAST, |
| 138 | Ethernet.TYPE_IPV4, |
| 139 | FWD_IPV4_MULTICAST); |
| 140 | assertTrue(flowRuleExpected.exactMatch(actualFlowRule)); |
| 141 | } |
| 142 | |
| 143 | /** |
| 144 | * Creates one rule for ingress_port_vlan table and one rule for |
| 145 | * fwd_classifier table (IPv6 multicast) when the condition is ipv6 |
| 146 | * multicast mac address. |
| 147 | */ |
| 148 | @Test |
| 149 | public void testIpv6MulticastFwdClass() { |
| 150 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 151 | .pushVlan() |
| 152 | .setVlanId(VLAN_100) |
| 153 | .build(); |
| 154 | FilteringObjective filteringObjective = DefaultFilteringObjective.builder() |
| 155 | .permit() |
| 156 | .withPriority(PRIORITY) |
| 157 | .withKey(Criteria.matchInPort(PORT_1)) |
| 158 | .addCondition(Criteria.matchEthDst(MacAddress.IPV6_MULTICAST)) |
| 159 | .addCondition(Criteria.matchVlanId(VlanId.NONE)) |
| 160 | .withMeta(treatment) |
| 161 | .fromApp(APP_ID) |
| 162 | .makePermanent() |
| 163 | .add(); |
| 164 | PipelinerTranslationResult result = pipeliner.pipelinerFilter.filter(filteringObjective); |
| 165 | List<FlowRule> flowRulesInstalled = (List<FlowRule>) result.flowRules(); |
| 166 | List<GroupDescription> groupsInstalled = (List<GroupDescription>) result.groups(); |
| 167 | |
| 168 | assertTrue(groupsInstalled.isEmpty()); |
| 169 | |
| 170 | // in port vlan flow rule |
| 171 | FlowRule actualFlowRule = flowRulesInstalled.get(0); |
| 172 | FlowRule flowRuleExpected = buildExpectedVlanInPortRule(PORT_1, |
| 173 | VlanId.NONE, |
| 174 | VLAN_100, |
| 175 | FabricConstants.TBL_INGRESS_PORT_VLAN_ID); |
| 176 | assertTrue(flowRuleExpected.exactMatch(actualFlowRule)); |
| 177 | |
| 178 | // forwarding classifier |
| 179 | actualFlowRule = flowRulesInstalled.get(1); |
| 180 | flowRuleExpected = buildExpectedFwdClassifierRule(PORT_1, |
| 181 | MacAddress.IPV6_MULTICAST, |
| 182 | Ethernet.TYPE_IPV6, |
| 183 | FWD_IPV6_MULTICAST); |
| 184 | assertTrue(flowRuleExpected.exactMatch(actualFlowRule)); |
| 185 | } |
| 186 | |
| 187 | /** |
| 188 | * Creates only one rule for ingress_port_vlan table if there is no condition |
| 189 | * of destination mac address. |
| 190 | * The packet will be handled by bridging table by default. |
| 191 | */ |
| 192 | @Test |
| 193 | public void testFwdBridging() { |
| 194 | FilteringObjective filteringObjective = buildFilteringObjective(null); |
| 195 | PipelinerTranslationResult result = pipeliner.pipelinerFilter.filter(filteringObjective); |
| 196 | List<FlowRule> flowRulesInstalled = (List<FlowRule>) result.flowRules(); |
| 197 | List<GroupDescription> groupsInstalled = (List<GroupDescription>) result.groups(); |
| 198 | |
| 199 | assertTrue(groupsInstalled.isEmpty()); |
| 200 | |
| 201 | // in port vlan flow rule |
| 202 | FlowRule actualFlowRule = flowRulesInstalled.get(0); |
| 203 | FlowRule flowRuleExpected = buildExpectedVlanInPortRule(PORT_1, |
| 204 | VlanId.NONE, |
| 205 | VLAN_100, |
| 206 | FabricConstants.TBL_INGRESS_PORT_VLAN_ID); |
| 207 | assertTrue(flowRuleExpected.exactMatch(actualFlowRule)); |
| 208 | |
| 209 | // No rules in forwarding classifier, will do default action: set fwd type to bridging |
| 210 | } |
| 211 | |
| 212 | /** |
| 213 | * We supports only PERMIT type of filtering objective. |
| 214 | */ |
| 215 | @Test |
| 216 | public void testUnsupportedObjective() { |
| 217 | FilteringObjective filteringObjective = DefaultFilteringObjective.builder() |
| 218 | .deny() |
| 219 | .withKey(Criteria.matchInPort(PORT_1)) |
| 220 | .addCondition(Criteria.matchVlanId(VLAN_100)) |
| 221 | .fromApp(APP_ID) |
| 222 | .makePermanent() |
| 223 | .add(); |
| 224 | |
| 225 | PipelinerTranslationResult result = pipeliner.pipelinerFilter.filter(filteringObjective); |
| 226 | pipeliner.pipelinerFilter.filter(filteringObjective); |
| 227 | |
| 228 | List<FlowRule> flowRulesInstalled = (List<FlowRule>) result.flowRules(); |
| 229 | List<GroupDescription> groupsInstalled = (List<GroupDescription>) result.groups(); |
| 230 | |
| 231 | assertTrue(flowRulesInstalled.isEmpty()); |
| 232 | assertTrue(groupsInstalled.isEmpty()); |
| 233 | |
| 234 | assertTrue(result.error().isPresent()); |
| 235 | ObjectiveError error = result.error().get(); |
| 236 | assertEquals(ObjectiveError.UNSUPPORTED, error); |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * Incorrect filtering key or filtering conditions test. |
| 241 | */ |
| 242 | @Test |
| 243 | public void badParamTest() { |
| 244 | // Filtering objective should contains filtering key |
| 245 | FilteringObjective filteringObjective = DefaultFilteringObjective.builder() |
| 246 | .permit() |
| 247 | .addCondition(Criteria.matchVlanId(VLAN_100)) |
| 248 | .fromApp(APP_ID) |
| 249 | .makePermanent() |
| 250 | .add(); |
| 251 | |
| 252 | PipelinerTranslationResult result = pipeliner.pipelinerFilter.filter(filteringObjective); |
| 253 | pipeliner.pipelinerFilter.filter(filteringObjective); |
| 254 | |
| 255 | assertTrue(result.error().isPresent()); |
| 256 | ObjectiveError error = result.error().get(); |
| 257 | assertEquals(ObjectiveError.BADPARAMS, error); |
| 258 | |
| 259 | // Filtering objective should use in_port as key |
| 260 | filteringObjective = DefaultFilteringObjective.builder() |
| 261 | .permit() |
| 262 | .withKey(Criteria.matchEthDst(ROUTER_MAC)) |
| 263 | .addCondition(Criteria.matchVlanId(VLAN_100)) |
| 264 | .withMeta(DefaultTrafficTreatment.emptyTreatment()) |
| 265 | .fromApp(APP_ID) |
| 266 | .makePermanent() |
| 267 | .add(); |
| 268 | |
| 269 | result = pipeliner.pipelinerFilter.filter(filteringObjective); |
| 270 | pipeliner.pipelinerFilter.filter(filteringObjective); |
| 271 | |
| 272 | assertTrue(result.error().isPresent()); |
| 273 | error = result.error().get(); |
| 274 | assertEquals(ObjectiveError.BADPARAMS, error); |
| 275 | } |
| 276 | |
| 277 | /* Utilities */ |
| 278 | |
| 279 | private FilteringObjective buildFilteringObjective(MacAddress dstMac) { |
| 280 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 281 | .pushVlan() |
| 282 | .setVlanId(VLAN_100) |
| 283 | .build(); |
| 284 | DefaultFilteringObjective.Builder builder = DefaultFilteringObjective.builder() |
| 285 | .permit() |
| 286 | .withPriority(PRIORITY) |
| 287 | .withKey(Criteria.matchInPort(PORT_1)); |
| 288 | if (dstMac != null) { |
| 289 | builder.addCondition(Criteria.matchEthDst(dstMac)); |
| 290 | } |
| 291 | |
| 292 | builder.addCondition(Criteria.matchVlanId(VlanId.NONE)) |
| 293 | .withMeta(treatment) |
| 294 | .fromApp(APP_ID) |
| 295 | .makePermanent(); |
| 296 | return builder.add(); |
| 297 | } |
| 298 | |
| 299 | private FlowRule buildExpectedVlanInPortRule(PortNumber inPort, VlanId vlanId, |
| 300 | VlanId internalVlan, |
| 301 | TableId tableId) { |
| 302 | |
| 303 | TrafficSelector.Builder selector = DefaultTrafficSelector.builder() |
| 304 | .matchInPort(inPort); |
| 305 | TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); |
| 306 | if (vlanId == null || vlanId.equals(VlanId.NONE)) { |
| 307 | selector.matchPi(VLAN_INVALID); |
| 308 | treatment.pushVlan(); |
| 309 | treatment.setVlanId(internalVlan); |
| 310 | } else { |
| 311 | selector.matchPi(VLAN_VALID); |
| 312 | selector.matchVlanId(vlanId); |
| 313 | } |
| 314 | |
| 315 | return DefaultFlowRule.builder() |
| 316 | .withPriority(PRIORITY) |
| 317 | .withSelector(selector.build()) |
| 318 | .withTreatment(treatment.build()) |
| 319 | .fromApp(APP_ID) |
| 320 | .forDevice(DEVICE_ID) |
| 321 | .makePermanent() |
| 322 | .forTable(tableId) |
| 323 | .build(); |
| 324 | } |
| 325 | |
| 326 | private FlowRule buildExpectedFwdClassifierRule(PortNumber inPort, |
| 327 | MacAddress dstMac, |
| 328 | short ethType, |
| 329 | byte fwdClass) { |
| 330 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 331 | .matchEthDst(dstMac) |
| 332 | .matchInPort(inPort) |
| 333 | .matchEthType(ethType) |
| 334 | .build(); |
| 335 | PiActionParam classParam = new PiActionParam(FabricConstants.ACT_PRM_FWD_TYPE_ID, |
| 336 | ImmutableByteSequence.copyFrom(fwdClass)); |
| 337 | PiAction fwdClassifierAction = PiAction.builder() |
| 338 | .withId(FabricConstants.ACT_SET_FORWARDING_TYPE_ID) |
| 339 | .withParameter(classParam) |
| 340 | .build(); |
| 341 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 342 | .piTableAction(fwdClassifierAction) |
| 343 | .build(); |
| 344 | |
| 345 | return DefaultFlowRule.builder() |
| 346 | .withPriority(PRIORITY) |
| 347 | .withSelector(selector) |
| 348 | .withTreatment(treatment) |
| 349 | .fromApp(APP_ID) |
| 350 | .forDevice(DEVICE_ID) |
| 351 | .makePermanent() |
| 352 | .forTable(FabricConstants.TBL_FWD_CLASSIFIER_ID) |
| 353 | .build(); |
| 354 | } |
| 355 | } |