| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.driver.pipeline; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.IpPrefix; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.packet.VlanId; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.behaviour.NextGroup; |
| import org.onosproject.net.behaviour.PipelinerContext; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.flow.DefaultFlowRule; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.FlowRule; |
| import org.onosproject.net.flow.FlowRuleOperations; |
| import org.onosproject.net.flow.FlowRuleOperationsContext; |
| import org.onosproject.net.flow.FlowRuleService; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.flow.criteria.Criteria; |
| import org.onosproject.net.flow.criteria.Criterion; |
| import org.onosproject.net.flow.criteria.EthCriterion; |
| import org.onosproject.net.flow.criteria.EthTypeCriterion; |
| import org.onosproject.net.flow.criteria.IPCriterion; |
| import org.onosproject.net.flow.criteria.MplsBosCriterion; |
| import org.onosproject.net.flow.criteria.MplsCriterion; |
| import org.onosproject.net.flow.criteria.PortCriterion; |
| import org.onosproject.net.flow.criteria.VlanIdCriterion; |
| import org.onosproject.net.flow.instructions.Instruction; |
| import org.onosproject.net.flow.instructions.Instructions.OutputInstruction; |
| import org.onosproject.net.flow.instructions.L2ModificationInstruction.ModVlanIdInstruction; |
| import org.onosproject.net.flowobjective.FilteringObjective; |
| import org.onosproject.net.flowobjective.ForwardingObjective; |
| import org.onosproject.net.flowobjective.ObjectiveError; |
| import org.onosproject.net.group.Group; |
| import org.onosproject.net.group.GroupKey; |
| import org.onosproject.net.group.GroupService; |
| import org.onosproject.net.packet.PacketPriority; |
| import org.slf4j.Logger; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Deque; |
| import java.util.List; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| |
| /** |
| * Driver for software switch emulation of the OFDPA 2.0 pipeline. |
| * The software switch is the CPqD OF 1.3 switch. Unfortunately the CPqD switch |
| * does not handle vlan tags and mpls labels simultaneously, which requires us |
| * to do some workarounds in the driver. This driver is meant for the use of |
| * the cpqd switch when MPLS is required. As a result this driver works only |
| * on incoming untagged packets. |
| */ |
| public class CpqdOfdpa2Pipeline extends Ofdpa2Pipeline { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| @Override |
| public void init(DeviceId deviceId, PipelinerContext context) { |
| this.deviceId = deviceId; |
| |
| // Initialize OFDPA group handler |
| groupHandler = new CpqdOfdpa2GroupHandler(); |
| groupHandler.init(deviceId, context); |
| |
| serviceDirectory = context.directory(); |
| coreService = serviceDirectory.get(CoreService.class); |
| flowRuleService = serviceDirectory.get(FlowRuleService.class); |
| groupService = serviceDirectory.get(GroupService.class); |
| flowObjectiveStore = context.store(); |
| deviceService = serviceDirectory.get(DeviceService.class); |
| |
| driverId = coreService.registerApplication( |
| "org.onosproject.driver.CpqdOfdpa2Pipeline"); |
| |
| initializePipeline(); |
| } |
| |
| /* |
| * CPQD emulation does not require special untagged packet handling, unlike |
| * the real ofdpa. |
| */ |
| @Override |
| protected void processFilter(FilteringObjective filt, |
| boolean install, ApplicationId applicationId) { |
| // This driver only processes filtering criteria defined with switch |
| // ports as the key |
| PortCriterion portCriterion = null; |
| EthCriterion ethCriterion = null; |
| VlanIdCriterion vidCriterion = null; |
| Collection<IPCriterion> ips = new ArrayList<IPCriterion>(); |
| if (!filt.key().equals(Criteria.dummy()) && |
| filt.key().type() == Criterion.Type.IN_PORT) { |
| portCriterion = (PortCriterion) filt.key(); |
| } else { |
| log.warn("No key defined in filtering objective from app: {}. Not" |
| + "processing filtering objective", applicationId); |
| fail(filt, ObjectiveError.UNKNOWN); |
| return; |
| } |
| // convert filtering conditions for switch-intfs into flowrules |
| FlowRuleOperations.Builder ops = FlowRuleOperations.builder(); |
| for (Criterion criterion : filt.conditions()) { |
| if (criterion.type() == Criterion.Type.ETH_DST || |
| criterion.type() == Criterion.Type.ETH_DST_MASKED) { |
| ethCriterion = (EthCriterion) criterion; |
| } else if (criterion.type() == Criterion.Type.VLAN_VID) { |
| vidCriterion = (VlanIdCriterion) criterion; |
| } else if (criterion.type() == Criterion.Type.IPV4_DST) { |
| ips.add((IPCriterion) criterion); |
| } else { |
| log.error("Unsupported filter {}", criterion); |
| fail(filt, ObjectiveError.UNSUPPORTED); |
| return; |
| } |
| } |
| |
| VlanId assignedVlan = null; |
| // For VLAN cross-connect packets, use the configured VLAN |
| if (vidCriterion != null) { |
| if (vidCriterion.vlanId() != VlanId.NONE) { |
| assignedVlan = vidCriterion.vlanId(); |
| |
| // For untagged packets, assign a VLAN ID |
| } else { |
| if (filt.meta() == null) { |
| log.error("Missing metadata in filtering objective required " + |
| "for vlan assignment in dev {}", deviceId); |
| fail(filt, ObjectiveError.BADPARAMS); |
| return; |
| } |
| for (Instruction i : filt.meta().allInstructions()) { |
| if (i instanceof ModVlanIdInstruction) { |
| assignedVlan = ((ModVlanIdInstruction) i).vlanId(); |
| } |
| } |
| if (assignedVlan == null) { |
| log.error("Driver requires an assigned vlan-id to tag incoming " |
| + "untagged packets. Not processing vlan filters on " |
| + "device {}", deviceId); |
| fail(filt, ObjectiveError.BADPARAMS); |
| return; |
| } |
| } |
| } |
| |
| if (ethCriterion == null || ethCriterion.mac().equals(MacAddress.NONE)) { |
| log.debug("filtering objective missing dstMac, cannot program TMAC table"); |
| } else { |
| for (FlowRule tmacRule : processEthDstFilter(portCriterion, ethCriterion, |
| vidCriterion, assignedVlan, |
| applicationId)) { |
| log.debug("adding MAC filtering rules in TMAC table: {} for dev: {}", |
| tmacRule, deviceId); |
| ops = install ? ops.add(tmacRule) : ops.remove(tmacRule); |
| } |
| } |
| |
| if (ethCriterion == null || vidCriterion == null) { |
| log.debug("filtering objective missing dstMac or VLAN, " |
| + "cannot program VLAN Table"); |
| } else { |
| List<FlowRule> allRules = processVlanIdFilter( |
| portCriterion, vidCriterion, assignedVlan, applicationId); |
| for (FlowRule rule : allRules) { |
| log.debug("adding VLAN filtering rule in VLAN table: {} for dev: {}", |
| rule, deviceId); |
| ops = install ? ops.add(rule) : ops.remove(rule); |
| } |
| } |
| |
| for (IPCriterion ipaddr : ips) { |
| // since we ignore port information for IP rules, and the same (gateway) IP |
| // can be configured on multiple ports, we make sure that we send |
| // only a single rule to the switch. |
| if (!sentIpFilters.contains(ipaddr)) { |
| sentIpFilters.add(ipaddr); |
| log.debug("adding IP filtering rules in ACL table {} for dev: {}", |
| ipaddr, deviceId); |
| TrafficSelector.Builder selector = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); |
| selector.matchEthType(Ethernet.TYPE_IPV4); |
| selector.matchIPDst(ipaddr.ip()); |
| treatment.setOutput(PortNumber.CONTROLLER); |
| FlowRule rule = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector.build()) |
| .withTreatment(treatment.build()) |
| .withPriority(HIGHEST_PRIORITY) |
| .fromApp(applicationId) |
| .makePermanent() |
| .forTable(ACL_TABLE).build(); |
| ops = install ? ops.add(rule) : ops.remove(rule); |
| } |
| } |
| |
| // apply filtering flow rules |
| flowRuleService.apply(ops.build(new FlowRuleOperationsContext() { |
| @Override |
| public void onSuccess(FlowRuleOperations ops) { |
| log.info("Applied {} filtering rules in device {}", |
| ops.stages().get(0).size(), deviceId); |
| pass(filt); |
| } |
| |
| @Override |
| public void onError(FlowRuleOperations ops) { |
| log.info("Failed to apply all filtering rules in dev {}", deviceId); |
| fail(filt, ObjectiveError.FLOWINSTALLATIONFAILED); |
| } |
| })); |
| |
| } |
| |
| /* |
| * Cpqd emulation does not require the non-OF standard rules for |
| * matching untagged packets. |
| * |
| * (non-Javadoc) |
| * @see org.onosproject.driver.pipeline.OFDPA2Pipeline#processVlanIdFilter |
| */ |
| @Override |
| protected List<FlowRule> processVlanIdFilter(PortCriterion portCriterion, |
| VlanIdCriterion vidCriterion, |
| VlanId assignedVlan, |
| ApplicationId applicationId) { |
| List<FlowRule> rules = new ArrayList<>(); |
| TrafficSelector.Builder selector = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); |
| selector.matchVlanId(vidCriterion.vlanId()); |
| treatment.transition(TMAC_TABLE); |
| |
| if (vidCriterion.vlanId() == VlanId.NONE) { |
| // untagged packets are assigned vlans |
| treatment.pushVlan().setVlanId(assignedVlan); |
| |
| // Emulating OFDPA behavior by popping off internal assigned VLAN |
| // before sending to controller |
| TrafficSelector.Builder sbuilder = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_ARP) |
| .matchVlanId(assignedVlan); |
| TrafficTreatment.Builder tbuilder = DefaultTrafficTreatment.builder() |
| .popVlan() |
| .punt(); |
| FlowRule internalVlan = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(sbuilder.build()) |
| .withTreatment(tbuilder.build()) |
| .withPriority(PacketPriority.CONTROL.priorityValue() + 1) |
| .fromApp(applicationId) |
| .makePermanent() |
| .forTable(ACL_TABLE).build(); |
| rules.add(internalVlan); |
| } |
| |
| // ofdpa cannot match on ALL portnumber, so we need to use separate |
| // rules for each port. |
| List<PortNumber> portnums = new ArrayList<PortNumber>(); |
| if (portCriterion.port() == PortNumber.ALL) { |
| for (Port port : deviceService.getPorts(deviceId)) { |
| if (port.number().toLong() > 0 && port.number().toLong() < OFPP_MAX) { |
| portnums.add(port.number()); |
| } |
| } |
| } else { |
| portnums.add(portCriterion.port()); |
| } |
| |
| for (PortNumber pnum : portnums) { |
| // create rest of flowrule |
| selector.matchInPort(pnum); |
| FlowRule rule = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector.build()) |
| .withTreatment(treatment.build()) |
| .withPriority(DEFAULT_PRIORITY) |
| .fromApp(applicationId) |
| .makePermanent() |
| .forTable(VLAN_TABLE).build(); |
| rules.add(rule); |
| } |
| |
| return rules; |
| } |
| |
| /* |
| * Cpqd emulation does not handle vlan tags and mpls labels correctly. |
| * Workaround requires popping off the VLAN tags in the TMAC table. |
| * |
| * (non-Javadoc) |
| * @see org.onosproject.driver.pipeline.OFDPA2Pipeline#processEthDstFilter |
| */ |
| @Override |
| protected List<FlowRule> processEthDstFilter(PortCriterion portCriterion, |
| EthCriterion ethCriterion, |
| VlanIdCriterion vidCriterion, |
| VlanId assignedVlan, |
| ApplicationId applicationId) { |
| // Consider PortNumber.ANY as wildcard. Match ETH_DST only |
| if (portCriterion != null && portCriterion.port() == PortNumber.ANY) { |
| return processEthDstOnlyFilter(ethCriterion, applicationId); |
| } |
| |
| // Multicast MAC |
| if (ethCriterion.mask() != null) { |
| return processMcastEthDstFilter(ethCriterion, applicationId); |
| } |
| |
| //handling untagged packets via assigned VLAN |
| if (vidCriterion.vlanId() == VlanId.NONE) { |
| vidCriterion = (VlanIdCriterion) Criteria.matchVlanId(assignedVlan); |
| } |
| // ofdpa cannot match on ALL portnumber, so we need to use separate |
| // rules for each port. |
| List<PortNumber> portnums = new ArrayList<PortNumber>(); |
| if (portCriterion.port() == PortNumber.ALL) { |
| for (Port port : deviceService.getPorts(deviceId)) { |
| if (port.number().toLong() > 0 && port.number().toLong() < OFPP_MAX) { |
| portnums.add(port.number()); |
| } |
| } |
| } else { |
| portnums.add(portCriterion.port()); |
| } |
| |
| List<FlowRule> rules = new ArrayList<FlowRule>(); |
| for (PortNumber pnum : portnums) { |
| // for unicast IP packets |
| TrafficSelector.Builder selector = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); |
| selector.matchInPort(pnum); |
| selector.matchVlanId(vidCriterion.vlanId()); |
| selector.matchEthType(Ethernet.TYPE_IPV4); |
| selector.matchEthDst(ethCriterion.mac()); |
| /* |
| * Note: CpqD switches do not handle MPLS-related operation properly |
| * for a packet with VLAN tag. We pop VLAN here as a workaround. |
| * Side effect: HostService learns redundant hosts with same MAC but |
| * different VLAN. No known side effect on the network reachability. |
| */ |
| treatment.popVlan(); |
| treatment.transition(UNICAST_ROUTING_TABLE); |
| FlowRule rule = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector.build()) |
| .withTreatment(treatment.build()) |
| .withPriority(DEFAULT_PRIORITY) |
| .fromApp(applicationId) |
| .makePermanent() |
| .forTable(TMAC_TABLE).build(); |
| rules.add(rule); |
| //for MPLS packets |
| selector = DefaultTrafficSelector.builder(); |
| treatment = DefaultTrafficTreatment.builder(); |
| selector.matchInPort(pnum); |
| selector.matchVlanId(vidCriterion.vlanId()); |
| selector.matchEthType(Ethernet.MPLS_UNICAST); |
| selector.matchEthDst(ethCriterion.mac()); |
| // workaround here again |
| treatment.popVlan(); |
| treatment.transition(MPLS_TABLE_0); |
| rule = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector.build()) |
| .withTreatment(treatment.build()) |
| .withPriority(DEFAULT_PRIORITY) |
| .fromApp(applicationId) |
| .makePermanent() |
| .forTable(TMAC_TABLE).build(); |
| rules.add(rule); |
| } |
| return rules; |
| } |
| |
| @Override |
| protected List<FlowRule> processEthDstOnlyFilter(EthCriterion ethCriterion, |
| ApplicationId applicationId) { |
| TrafficSelector.Builder selector = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); |
| selector.matchEthType(Ethernet.TYPE_IPV4); |
| selector.matchEthDst(ethCriterion.mac()); |
| /* |
| * Note: CpqD switches do not handle MPLS-related operation properly |
| * for a packet with VLAN tag. We pop VLAN here as a workaround. |
| * Side effect: HostService learns redundant hosts with same MAC but |
| * different VLAN. No known side effect on the network reachability. |
| */ |
| treatment.popVlan(); |
| treatment.transition(UNICAST_ROUTING_TABLE); |
| FlowRule rule = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector.build()) |
| .withTreatment(treatment.build()) |
| .withPriority(DEFAULT_PRIORITY) |
| .fromApp(applicationId) |
| .makePermanent() |
| .forTable(TMAC_TABLE).build(); |
| return ImmutableList.<FlowRule>builder().add(rule).build(); |
| } |
| |
| /* |
| * Cpqd emulation allows MPLS ecmp. |
| * |
| * (non-Javadoc) |
| * @see org.onosproject.driver.pipeline.OFDPA2Pipeline#processEthTypeSpecific |
| */ |
| @Override |
| protected Collection<FlowRule> processEthTypeSpecific(ForwardingObjective fwd) { |
| TrafficSelector selector = fwd.selector(); |
| EthTypeCriterion ethType = |
| (EthTypeCriterion) selector.getCriterion(Criterion.Type.ETH_TYPE); |
| if ((ethType == null) || |
| (ethType.ethType().toShort() != Ethernet.TYPE_IPV4) && |
| (ethType.ethType().toShort() != Ethernet.MPLS_UNICAST)) { |
| log.warn("processSpecific: Unsupported forwarding objective criteria" |
| + "ethType:{} in dev:{}", ethType, deviceId); |
| fail(fwd, ObjectiveError.UNSUPPORTED); |
| return Collections.emptySet(); |
| } |
| boolean defaultRule = false; |
| int forTableId = -1; |
| TrafficSelector.Builder filteredSelector = DefaultTrafficSelector.builder(); |
| TrafficSelector.Builder complementarySelector = DefaultTrafficSelector.builder(); |
| |
| /* |
| * NOTE: The switch does not support matching 0.0.0.0/0. |
| * Split it into 0.0.0.0/1 and 128.0.0.0/1 |
| */ |
| if (ethType.ethType().toShort() == Ethernet.TYPE_IPV4) { |
| IpPrefix ipv4Dst = ((IPCriterion) selector.getCriterion(Criterion.Type.IPV4_DST)).ip(); |
| if (ipv4Dst.isMulticast()) { |
| if (ipv4Dst.prefixLength() != 32) { |
| log.warn("Multicast specific forwarding objective can only be /32"); |
| fail(fwd, ObjectiveError.BADPARAMS); |
| return ImmutableSet.of(); |
| } |
| VlanId assignedVlan = readVlanFromSelector(fwd.meta()); |
| if (assignedVlan == null) { |
| log.warn("VLAN ID required by multicast specific fwd obj is missing. Abort."); |
| fail(fwd, ObjectiveError.BADPARAMS); |
| return ImmutableSet.of(); |
| } |
| filteredSelector.matchVlanId(assignedVlan); |
| filteredSelector.matchEthType(Ethernet.TYPE_IPV4).matchIPDst(ipv4Dst); |
| forTableId = MULTICAST_ROUTING_TABLE; |
| log.debug("processing IPv4 multicast specific forwarding objective {} -> next:{}" |
| + " in dev:{}", fwd.id(), fwd.nextId(), deviceId); |
| } else { |
| if (ipv4Dst.prefixLength() > 0) { |
| filteredSelector.matchEthType(Ethernet.TYPE_IPV4).matchIPDst(ipv4Dst); |
| } else { |
| filteredSelector.matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPDst(IpPrefix.valueOf("0.0.0.0/1")); |
| complementarySelector.matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPDst(IpPrefix.valueOf("128.0.0.0/1")); |
| defaultRule = true; |
| } |
| forTableId = UNICAST_ROUTING_TABLE; |
| log.debug("processing IPv4 unicast specific forwarding objective {} -> next:{}" |
| + " in dev:{}", fwd.id(), fwd.nextId(), deviceId); |
| } |
| } else { |
| filteredSelector |
| .matchEthType(Ethernet.MPLS_UNICAST) |
| .matchMplsLabel(((MplsCriterion) |
| selector.getCriterion(Criterion.Type.MPLS_LABEL)).label()); |
| MplsBosCriterion bos = (MplsBosCriterion) selector |
| .getCriterion(Criterion.Type.MPLS_BOS); |
| if (bos != null) { |
| filteredSelector.matchMplsBos(bos.mplsBos()); |
| } |
| forTableId = MPLS_TABLE_1; |
| log.debug("processing MPLS specific forwarding objective {} -> next:{}" |
| + " in dev {}", fwd.id(), fwd.nextId(), deviceId); |
| } |
| |
| TrafficTreatment.Builder tb = DefaultTrafficTreatment.builder(); |
| if (fwd.treatment() != null) { |
| for (Instruction i : fwd.treatment().allInstructions()) { |
| /* |
| * NOTE: OF-DPA does not support immediate instruction in |
| * L3 unicast and MPLS table. |
| */ |
| tb.deferred().add(i); |
| } |
| } |
| |
| if (fwd.nextId() != null) { |
| NextGroup next = getGroupForNextObjective(fwd.nextId()); |
| if (next != null) { |
| List<Deque<GroupKey>> gkeys = appKryo.deserialize(next.data()); |
| // we only need the top level group's key to point the flow to it |
| Group group = groupService.getGroup(deviceId, gkeys.get(0).peekFirst()); |
| if (group == null) { |
| log.warn("The group left!"); |
| fail(fwd, ObjectiveError.GROUPMISSING); |
| return Collections.emptySet(); |
| } |
| tb.deferred().group(group.id()); |
| } |
| } |
| tb.transition(ACL_TABLE); |
| FlowRule.Builder ruleBuilder = DefaultFlowRule.builder() |
| .fromApp(fwd.appId()) |
| .withPriority(fwd.priority()) |
| .forDevice(deviceId) |
| .withSelector(filteredSelector.build()) |
| .withTreatment(tb.build()) |
| .forTable(forTableId); |
| |
| if (fwd.permanent()) { |
| ruleBuilder.makePermanent(); |
| } else { |
| ruleBuilder.makeTemporary(fwd.timeout()); |
| } |
| Collection<FlowRule> flowRuleCollection = new ArrayList<>(); |
| flowRuleCollection.add(ruleBuilder.build()); |
| if (defaultRule) { |
| FlowRule.Builder rule = DefaultFlowRule.builder() |
| .fromApp(fwd.appId()) |
| .withPriority(fwd.priority()) |
| .forDevice(deviceId) |
| .withSelector(complementarySelector.build()) |
| .withTreatment(tb.build()) |
| .forTable(forTableId); |
| if (fwd.permanent()) { |
| rule.makePermanent(); |
| } else { |
| rule.makeTemporary(fwd.timeout()); |
| } |
| flowRuleCollection.add(rule.build()); |
| log.debug("Default rule 0.0.0.0/0 is being installed two rules"); |
| } |
| |
| return flowRuleCollection; |
| } |
| |
| @Override |
| protected Collection<FlowRule> processEthDstSpecific(ForwardingObjective fwd) { |
| List<FlowRule> rules = new ArrayList<>(); |
| |
| // Build filtered selector |
| TrafficSelector selector = fwd.selector(); |
| EthCriterion ethCriterion = (EthCriterion) selector |
| .getCriterion(Criterion.Type.ETH_DST); |
| VlanIdCriterion vlanIdCriterion = (VlanIdCriterion) selector |
| .getCriterion(Criterion.Type.VLAN_VID); |
| |
| if (vlanIdCriterion == null) { |
| log.warn("Forwarding objective for bridging requires vlan. Not " |
| + "installing fwd:{} in dev:{}", fwd.id(), deviceId); |
| fail(fwd, ObjectiveError.BADPARAMS); |
| return Collections.emptySet(); |
| } |
| |
| TrafficSelector.Builder filteredSelectorBuilder = |
| DefaultTrafficSelector.builder(); |
| // Do not match MacAddress for subnet broadcast entry |
| if (!ethCriterion.mac().equals(MacAddress.NONE)) { |
| filteredSelectorBuilder.matchEthDst(ethCriterion.mac()); |
| log.debug("processing L2 forwarding objective:{} -> next:{} in dev:{}", |
| fwd.id(), fwd.nextId(), deviceId); |
| } else { |
| log.debug("processing L2 Broadcast forwarding objective:{} -> next:{} " |
| + "in dev:{} for vlan:{}", |
| fwd.id(), fwd.nextId(), deviceId, vlanIdCriterion.vlanId()); |
| } |
| filteredSelectorBuilder.matchVlanId(vlanIdCriterion.vlanId()); |
| TrafficSelector filteredSelector = filteredSelectorBuilder.build(); |
| |
| if (fwd.treatment() != null) { |
| log.warn("Ignoring traffic treatment in fwd rule {} meant for L2 table" |
| + "for dev:{}. Expecting only nextId", fwd.id(), deviceId); |
| } |
| |
| TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder(); |
| if (fwd.nextId() != null) { |
| NextGroup next = getGroupForNextObjective(fwd.nextId()); |
| if (next != null) { |
| List<Deque<GroupKey>> gkeys = appKryo.deserialize(next.data()); |
| // we only need the top level group's key to point the flow to it |
| Group group = groupService.getGroup(deviceId, gkeys.get(0).peekFirst()); |
| if (group != null) { |
| treatmentBuilder.deferred().group(group.id()); |
| } else { |
| log.warn("Group with key:{} for next-id:{} not found in dev:{}", |
| gkeys.get(0).peekFirst(), fwd.nextId(), deviceId); |
| fail(fwd, ObjectiveError.GROUPMISSING); |
| return Collections.emptySet(); |
| } |
| } |
| } |
| treatmentBuilder.immediate().transition(ACL_TABLE); |
| TrafficTreatment filteredTreatment = treatmentBuilder.build(); |
| |
| // Build bridging table entries |
| FlowRule.Builder flowRuleBuilder = DefaultFlowRule.builder(); |
| flowRuleBuilder.fromApp(fwd.appId()) |
| .withPriority(fwd.priority()) |
| .forDevice(deviceId) |
| .withSelector(filteredSelector) |
| .withTreatment(filteredTreatment) |
| .forTable(BRIDGING_TABLE); |
| if (fwd.permanent()) { |
| flowRuleBuilder.makePermanent(); |
| } else { |
| flowRuleBuilder.makeTemporary(fwd.timeout()); |
| } |
| rules.add(flowRuleBuilder.build()); |
| return rules; |
| } |
| |
| /* |
| * In the OF-DPA 2.0 pipeline, versatile forwarding objectives go to the |
| * ACL table. Because we pop off vlan tags in TMAC table, |
| * we need to avoid matching on vlans in the ACL table. |
| */ |
| @Override |
| protected Collection<FlowRule> processVersatile(ForwardingObjective fwd) { |
| log.info("Processing versatile forwarding objective"); |
| |
| EthTypeCriterion ethType = |
| (EthTypeCriterion) fwd.selector().getCriterion(Criterion.Type.ETH_TYPE); |
| if (ethType == null) { |
| log.error("Versatile forwarding objective must include ethType"); |
| fail(fwd, ObjectiveError.BADPARAMS); |
| return Collections.emptySet(); |
| } |
| if (fwd.nextId() == null && fwd.treatment() == null) { |
| log.error("Forwarding objective {} from {} must contain " |
| + "nextId or Treatment", fwd.selector(), fwd.appId()); |
| return Collections.emptySet(); |
| } |
| |
| TrafficSelector.Builder sbuilder = DefaultTrafficSelector.builder(); |
| fwd.selector().criteria().forEach(criterion -> { |
| if (criterion instanceof VlanIdCriterion) { |
| // avoid matching on vlans |
| return; |
| } else { |
| sbuilder.add(criterion); |
| } |
| }); |
| |
| // XXX driver does not currently do type checking as per Tables 65-67 in |
| // OFDPA 2.0 spec. The only allowed treatment is a punt to the controller. |
| TrafficTreatment.Builder ttBuilder = DefaultTrafficTreatment.builder(); |
| if (fwd.treatment() != null) { |
| for (Instruction ins : fwd.treatment().allInstructions()) { |
| if (ins instanceof OutputInstruction) { |
| OutputInstruction o = (OutputInstruction) ins; |
| if (o.port() == PortNumber.CONTROLLER) { |
| ttBuilder.add(o); |
| } else { |
| log.warn("Only allowed treatments in versatile forwarding " |
| + "objectives are punts to the controller"); |
| } |
| } else { |
| log.warn("Cannot process instruction in versatile fwd {}", ins); |
| } |
| } |
| } |
| if (fwd.nextId() != null) { |
| // overide case |
| NextGroup next = getGroupForNextObjective(fwd.nextId()); |
| List<Deque<GroupKey>> gkeys = appKryo.deserialize(next.data()); |
| // we only need the top level group's key to point the flow to it |
| Group group = groupService.getGroup(deviceId, gkeys.get(0).peekFirst()); |
| if (group == null) { |
| log.warn("Group with key:{} for next-id:{} not found in dev:{}", |
| gkeys.get(0).peekFirst(), fwd.nextId(), deviceId); |
| fail(fwd, ObjectiveError.GROUPMISSING); |
| return Collections.emptySet(); |
| } |
| ttBuilder.deferred().group(group.id()); |
| } |
| |
| FlowRule.Builder ruleBuilder = DefaultFlowRule.builder() |
| .fromApp(fwd.appId()) |
| .withPriority(fwd.priority()) |
| .forDevice(deviceId) |
| .withSelector(sbuilder.build()) |
| .withTreatment(ttBuilder.build()) |
| .makePermanent() |
| .forTable(ACL_TABLE); |
| return Collections.singletonList(ruleBuilder.build()); |
| } |
| |
| /* |
| * Cpqd emulation requires table-miss-entries in forwarding tables. |
| * Real OFDPA does not require these rules as they are put in by default. |
| * |
| * (non-Javadoc) |
| * @see org.onosproject.driver.pipeline.OFDPA2Pipeline#initializePipeline() |
| */ |
| @Override |
| protected void initializePipeline() { |
| processPortTable(); |
| // vlan table processing not required, as default is to drop packets |
| // which can be accomplished without a table-miss-entry. |
| processTmacTable(); |
| processIpTable(); |
| processMulticastIpTable(); |
| processMplsTable(); |
| processBridgingTable(); |
| processAclTable(); |
| } |
| |
| protected void processPortTable() { |
| FlowRuleOperations.Builder ops = FlowRuleOperations.builder(); |
| TrafficSelector.Builder selector = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); |
| treatment.transition(VLAN_TABLE); |
| FlowRule tmisse = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector.build()) |
| .withTreatment(treatment.build()) |
| .withPriority(LOWEST_PRIORITY) |
| .fromApp(driverId) |
| .makePermanent() |
| .forTable(PORT_TABLE).build(); |
| ops = ops.add(tmisse); |
| |
| flowRuleService.apply(ops.build(new FlowRuleOperationsContext() { |
| @Override |
| public void onSuccess(FlowRuleOperations ops) { |
| log.info("Initialized port table"); |
| } |
| |
| @Override |
| public void onError(FlowRuleOperations ops) { |
| log.info("Failed to initialize port table"); |
| } |
| })); |
| } |
| |
| protected void processTmacTable() { |
| //table miss entry |
| FlowRuleOperations.Builder ops = FlowRuleOperations.builder(); |
| TrafficSelector.Builder selector = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); |
| selector = DefaultTrafficSelector.builder(); |
| treatment = DefaultTrafficTreatment.builder(); |
| treatment.transition(BRIDGING_TABLE); |
| FlowRule rule = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector.build()) |
| .withTreatment(treatment.build()) |
| .withPriority(LOWEST_PRIORITY) |
| .fromApp(driverId) |
| .makePermanent() |
| .forTable(TMAC_TABLE).build(); |
| ops = ops.add(rule); |
| flowRuleService.apply(ops.build(new FlowRuleOperationsContext() { |
| @Override |
| public void onSuccess(FlowRuleOperations ops) { |
| log.info("Initialized tmac table"); |
| } |
| |
| @Override |
| public void onError(FlowRuleOperations ops) { |
| log.info("Failed to initialize tmac table"); |
| } |
| })); |
| } |
| |
| protected void processIpTable() { |
| //table miss entry |
| FlowRuleOperations.Builder ops = FlowRuleOperations.builder(); |
| TrafficSelector.Builder selector = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); |
| treatment.transition(ACL_TABLE); |
| FlowRule rule = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector.build()) |
| .withTreatment(treatment.build()) |
| .withPriority(LOWEST_PRIORITY) |
| .fromApp(driverId) |
| .makePermanent() |
| .forTable(UNICAST_ROUTING_TABLE).build(); |
| ops = ops.add(rule); |
| flowRuleService.apply(ops.build(new FlowRuleOperationsContext() { |
| @Override |
| public void onSuccess(FlowRuleOperations ops) { |
| log.info("Initialized IP table"); |
| } |
| |
| @Override |
| public void onError(FlowRuleOperations ops) { |
| log.info("Failed to initialize unicast IP table"); |
| } |
| })); |
| } |
| |
| protected void processMulticastIpTable() { |
| //table miss entry |
| FlowRuleOperations.Builder ops = FlowRuleOperations.builder(); |
| TrafficSelector.Builder selector = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); |
| treatment.transition(ACL_TABLE); |
| FlowRule rule = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector.build()) |
| .withTreatment(treatment.build()) |
| .withPriority(LOWEST_PRIORITY) |
| .fromApp(driverId) |
| .makePermanent() |
| .forTable(MULTICAST_ROUTING_TABLE).build(); |
| ops = ops.add(rule); |
| flowRuleService.apply(ops.build(new FlowRuleOperationsContext() { |
| @Override |
| public void onSuccess(FlowRuleOperations ops) { |
| log.info("Initialized multicast IP table"); |
| } |
| |
| @Override |
| public void onError(FlowRuleOperations ops) { |
| log.info("Failed to initialize multicast IP table"); |
| } |
| })); |
| } |
| |
| protected void processMplsTable() { |
| //table miss entry |
| FlowRuleOperations.Builder ops = FlowRuleOperations.builder(); |
| TrafficSelector.Builder selector = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); |
| selector = DefaultTrafficSelector.builder(); |
| treatment = DefaultTrafficTreatment.builder(); |
| treatment.transition(MPLS_TABLE_1); |
| FlowRule rule = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector.build()) |
| .withTreatment(treatment.build()) |
| .withPriority(LOWEST_PRIORITY) |
| .fromApp(driverId) |
| .makePermanent() |
| .forTable(MPLS_TABLE_0).build(); |
| ops = ops.add(rule); |
| |
| treatment.transition(ACL_TABLE); |
| rule = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector.build()) |
| .withTreatment(treatment.build()) |
| .withPriority(LOWEST_PRIORITY) |
| .fromApp(driverId) |
| .makePermanent() |
| .forTable(MPLS_TABLE_1).build(); |
| ops = ops.add(rule); |
| |
| flowRuleService.apply(ops.build(new FlowRuleOperationsContext() { |
| @Override |
| public void onSuccess(FlowRuleOperations ops) { |
| log.info("Initialized MPLS tables"); |
| } |
| |
| @Override |
| public void onError(FlowRuleOperations ops) { |
| log.info("Failed to initialize MPLS tables"); |
| } |
| })); |
| } |
| |
| private void processBridgingTable() { |
| //table miss entry |
| FlowRuleOperations.Builder ops = FlowRuleOperations.builder(); |
| TrafficSelector.Builder selector = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); |
| selector = DefaultTrafficSelector.builder(); |
| treatment = DefaultTrafficTreatment.builder(); |
| treatment.transition(ACL_TABLE); |
| FlowRule rule = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector.build()) |
| .withTreatment(treatment.build()) |
| .withPriority(LOWEST_PRIORITY) |
| .fromApp(driverId) |
| .makePermanent() |
| .forTable(BRIDGING_TABLE).build(); |
| ops = ops.add(rule); |
| flowRuleService.apply(ops.build(new FlowRuleOperationsContext() { |
| @Override |
| public void onSuccess(FlowRuleOperations ops) { |
| log.info("Initialized Bridging table"); |
| } |
| |
| @Override |
| public void onError(FlowRuleOperations ops) { |
| log.info("Failed to initialize Bridging table"); |
| } |
| })); |
| } |
| |
| protected void processAclTable() { |
| //table miss entry - catch all to executed action-set |
| FlowRuleOperations.Builder ops = FlowRuleOperations.builder(); |
| TrafficSelector.Builder selector = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder(); |
| selector = DefaultTrafficSelector.builder(); |
| treatment = DefaultTrafficTreatment.builder(); |
| FlowRule rule = DefaultFlowRule.builder() |
| .forDevice(deviceId) |
| .withSelector(selector.build()) |
| .withTreatment(treatment.build()) |
| .withPriority(LOWEST_PRIORITY) |
| .fromApp(driverId) |
| .makePermanent() |
| .forTable(ACL_TABLE).build(); |
| ops = ops.add(rule); |
| flowRuleService.apply(ops.build(new FlowRuleOperationsContext() { |
| @Override |
| public void onSuccess(FlowRuleOperations ops) { |
| log.info("Initialized Acl table"); |
| } |
| |
| @Override |
| public void onError(FlowRuleOperations ops) { |
| log.info("Failed to initialize Acl table"); |
| } |
| })); |
| } |
| |
| } |