| /* |
| * Copyright 2018-2024 Open Networking Foundation (ONF) and the ONF Contributors |
| |
| * 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 core provides the utility for olt devices, flows and statistics |
| package core |
| |
| import ( |
| "context" |
| "encoding/hex" |
| "errors" |
| "fmt" |
| "strconv" |
| "strings" |
| "sync" |
| "time" |
| |
| "github.com/opencord/voltha-lib-go/v7/pkg/meters" |
| |
| "github.com/opencord/voltha-lib-go/v7/pkg/flows" |
| "github.com/opencord/voltha-lib-go/v7/pkg/log" |
| plt "github.com/opencord/voltha-lib-go/v7/pkg/platform" |
| tp "github.com/opencord/voltha-lib-go/v7/pkg/techprofile" |
| rsrcMgr "github.com/opencord/voltha-openolt-adapter/internal/pkg/resourcemanager" |
| "github.com/opencord/voltha-protos/v5/go/common" |
| ia "github.com/opencord/voltha-protos/v5/go/inter_adapter" |
| ofp "github.com/opencord/voltha-protos/v5/go/openflow_13" |
| openoltpb2 "github.com/opencord/voltha-protos/v5/go/openolt" |
| tp_pb "github.com/opencord/voltha-protos/v5/go/tech_profile" |
| "github.com/opencord/voltha-protos/v5/go/voltha" |
| |
| "github.com/opencord/voltha-openolt-adapter/internal/pkg/olterrors" |
| "google.golang.org/grpc/codes" |
| "google.golang.org/grpc/status" |
| ) |
| |
| const ( |
| //IPProtoDhcp flow category |
| IPProtoDhcp = 17 |
| |
| //IgmpProto proto value |
| IgmpProto = 2 |
| |
| //EapEthType eapethtype value |
| EapEthType = 0x888e |
| //LldpEthType lldp ethtype value |
| LldpEthType = 0x88cc |
| //IPv4EthType IPv4 ethernet type value |
| IPv4EthType = 0x800 |
| //PPPoEDEthType PPPoE discovery ethernet type value |
| PPPoEDEthType = 0x8863 |
| |
| //ReservedVlan Transparent Vlan (Masked Vlan, VLAN_ANY in ONOS Flows) |
| ReservedVlan = 4096 |
| |
| //DefaultMgmtVlan default vlan value |
| DefaultMgmtVlan = 4091 |
| |
| // Openolt Flow |
| |
| //Upstream constant |
| Upstream = "upstream" |
| //Downstream constant |
| Downstream = "downstream" |
| //Multicast constant |
| Multicast = "multicast" |
| //PacketTagType constant |
| PacketTagType = "pkt_tag_type" |
| //Untagged constant |
| Untagged = "untagged" |
| //SingleTag constant |
| SingleTag = "single_tag" |
| //DoubleTag constant |
| DoubleTag = "double_tag" |
| |
| // classifierInfo |
| |
| //EthType constant |
| EthType = "eth_type" |
| //EthDst constant |
| EthDst = "eth_dst" |
| //EthSrc constant |
| EthSrc = "eth_src" |
| //TPID constant |
| TPID = "tpid" |
| //IPProto constant |
| IPProto = "ip_proto" |
| //InPort constant |
| InPort = "in_port" |
| //VlanVid constant |
| VlanVid = "vlan_vid" |
| //VlanPcp constant |
| VlanPcp = "vlan_pcp" |
| |
| //UDPDst constant |
| UDPDst = "udp_dst" |
| //UDPSrc constant |
| UDPSrc = "udp_src" |
| //Ipv4Dst constant |
| Ipv4Dst = "ipv4_dst" |
| //Ipv4Src constant |
| Ipv4Src = "ipv4_src" |
| //Metadata constant |
| Metadata = "metadata" |
| //TunnelID constant |
| TunnelID = "tunnel_id" |
| //Output constant |
| Output = "output" |
| //GroupID constant |
| GroupID = "group_id" |
| // Actions |
| |
| //PopVlan constant |
| PopVlan = "pop_vlan" |
| //PushVlan constant |
| PushVlan = "push_vlan" |
| //TrapToHost constant |
| TrapToHost = "trap_to_host" |
| //MaxMeterBand constant |
| MaxMeterBand = 2 |
| //VlanPCPMask contant |
| VlanPCPMask = 0xFF |
| //VlanvIDMask constant |
| VlanvIDMask = 0xFFF |
| //IntfID constant |
| IntfID = "intfId" |
| //OnuID constant |
| OnuID = "onuId" |
| //UniID constant |
| UniID = "uniId" |
| //PortNo constant |
| PortNo = "portNo" |
| //AllocID constant |
| AllocID = "allocId" |
| //GemID constant |
| GemID = "gemId" |
| |
| //NoneOnuID constant |
| NoneOnuID = -1 |
| //NoneUniID constant |
| NoneUniID = -1 |
| |
| // Max number of flows that can be queued per ONU |
| maxConcurrentFlowsPerOnu = 20 |
| |
| bitMapPrefix = "0b" |
| pbit1 = '1' |
| ) |
| |
| type schedQueue struct { |
| direction tp_pb.Direction |
| intfID uint32 |
| onuID uint32 |
| uniID uint32 |
| tpID uint32 |
| uniPort uint32 |
| tpInst interface{} |
| meterID uint32 |
| flowMetadata *ofp.FlowMetadata |
| } |
| |
| type flowContext struct { |
| intfID uint32 |
| onuID uint32 |
| uniID uint32 |
| portNo uint32 |
| classifier map[string]interface{} |
| action map[string]interface{} |
| logicalFlow *ofp.OfpFlowStats |
| allocID uint32 |
| gemPortID uint32 |
| tpID uint32 |
| pbitToGem map[uint32]uint32 |
| gemToAes map[uint32]bool |
| } |
| |
| // This control block is created per flow add/remove and pushed on the incomingFlows channel slice |
| // The flowControlBlock is then picked by the perOnuFlowHandlerRoutine for further processing. |
| // There is on perOnuFlowHandlerRoutine routine per ONU that constantly monitors for any incoming |
| // flow and processes it serially |
| type flowControlBlock struct { |
| ctx context.Context // Flow handler context |
| addFlow bool // if true flow to be added, else removed |
| flow *ofp.OfpFlowStats // Flow message |
| flowMetadata *ofp.FlowMetadata // FlowMetadata that contains flow meter information. This can be nil for Flow remove |
| errChan *chan error // channel to report the Flow handling error |
| } |
| |
| // OpenOltFlowMgr creates the Structure of OpenOltFlowMgr obj |
| type OpenOltFlowMgr struct { |
| ponPortIdx uint32 // Pon Port this FlowManager is responsible for |
| techprofile tp.TechProfileIf |
| deviceHandler *DeviceHandler |
| grpMgr *OpenOltGroupMgr |
| resourceMgr *rsrcMgr.OpenOltResourceMgr |
| |
| packetInGemPort map[rsrcMgr.PacketInInfoKey]uint32 //packet in gem port local cache |
| packetInGemPortLock sync.RWMutex |
| |
| // Slice of channels. Each channel in slice, index by ONU ID, queues flows per ONU. |
| // A go routine per ONU, waits on the unique channel (indexed by ONU ID) for incoming flows (add/remove) |
| incomingFlows []chan flowControlBlock |
| stopFlowHandlerRoutine []chan bool |
| flowHandlerRoutineActive []bool |
| } |
| |
| // CloseKVClient closes open KV clients |
| func (f *OpenOltFlowMgr) CloseKVClient(ctx context.Context) { |
| if f.techprofile != nil { |
| f.techprofile.CloseKVClient(ctx) |
| } |
| } |
| |
| // NewFlowManager creates OpenOltFlowMgr object and initializes the parameters |
| func NewFlowManager(ctx context.Context, dh *DeviceHandler, rMgr *rsrcMgr.OpenOltResourceMgr, grpMgr *OpenOltGroupMgr, ponPortIdx uint32) *OpenOltFlowMgr { |
| logger.Infow(ctx, "initializing-flow-manager", log.Fields{"device-id": dh.device.Id}) |
| var flowMgr OpenOltFlowMgr |
| var err error |
| |
| flowMgr.deviceHandler = dh |
| flowMgr.ponPortIdx = ponPortIdx |
| flowMgr.grpMgr = grpMgr |
| flowMgr.resourceMgr = rMgr |
| // dh.totalPonPorts is reserved for NNI trap flows. It doesn't need a tech profile |
| if ponPortIdx != dh.totalPonPorts { |
| if err = flowMgr.populateTechProfileForCurrentPonPort(ctx); err != nil { |
| logger.Errorw(ctx, "error-while-populating-tech-profile-mgr", log.Fields{"err": err}) |
| return nil |
| } |
| } |
| flowMgr.packetInGemPort = make(map[rsrcMgr.PacketInInfoKey]uint32) |
| |
| // Create a slice of buffered channels for handling concurrent flows per ONU. |
| // The additional entry (+1) is to handle the NNI trap flows on a separate channel from individual ONUs channel |
| flowMgr.incomingFlows = make([]chan flowControlBlock, plt.MaxOnusPerPon+1) |
| flowMgr.stopFlowHandlerRoutine = make([]chan bool, plt.MaxOnusPerPon+1) |
| flowMgr.flowHandlerRoutineActive = make([]bool, plt.MaxOnusPerPon+1) |
| for i := range flowMgr.incomingFlows { |
| flowMgr.incomingFlows[i] = make(chan flowControlBlock, maxConcurrentFlowsPerOnu) |
| flowMgr.stopFlowHandlerRoutine[i] = make(chan bool) |
| // Spin up a go routine to handling incoming flows (add/remove). |
| // There will be on go routine per ONU. |
| // This routine will be blocked on the flowMgr.incomingFlows[onu-id] channel for incoming flows. |
| flowMgr.flowHandlerRoutineActive[i] = true |
| go flowMgr.perOnuFlowHandlerRoutine(i, flowMgr.incomingFlows[i], flowMgr.stopFlowHandlerRoutine[i]) |
| } |
| |
| //load interface to multicast queue map from kv store |
| flowMgr.grpMgr.LoadInterfaceToMulticastQueueMap(ctx) |
| logger.Info(ctx, "initialization-of-flow-manager-success") |
| return &flowMgr |
| } |
| |
| func (f *OpenOltFlowMgr) registerFlow(ctx context.Context, flowFromCore *ofp.OfpFlowStats, deviceFlow *openoltpb2.Flow) error { |
| // In case of nni trap flow |
| if deviceFlow.AccessIntfId == -1 { |
| return f.resourceMgr.RegisterFlowIDForGem(ctx, uint32(deviceFlow.AccessIntfId), flowFromCore) |
| } |
| if !deviceFlow.ReplicateFlow && deviceFlow.GemportId > 0 { |
| // Flow is not replicated in this case, we need to register the flow for a single gem-port |
| return f.resourceMgr.RegisterFlowIDForGem(ctx, uint32(deviceFlow.GemportId), flowFromCore) |
| } else if deviceFlow.ReplicateFlow && len(deviceFlow.PbitToGemport) > 0 { |
| // Flow is replicated in this case. We need to register the flow for all the gem-ports it is replicated to. |
| for _, gemPort := range deviceFlow.PbitToGemport { |
| if err := f.resourceMgr.RegisterFlowIDForGem(ctx, gemPort, flowFromCore); err != nil { |
| return err |
| } |
| } |
| } |
| return nil |
| } |
| |
| func (f *OpenOltFlowMgr) processAddFlow(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, portNo uint32, |
| classifierInfo map[string]interface{}, actionInfo map[string]interface{}, flow *ofp.OfpFlowStats, TpID uint32, |
| UsMeterID uint32, DsMeterID uint32, flowMetadata *ofp.FlowMetadata) error { |
| var allocID uint32 |
| var gemPorts []uint32 |
| var TpInst interface{} |
| |
| logger.Infow(ctx, "dividing-flow", log.Fields{ |
| "device-id": f.deviceHandler.device.Id, |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "port-no": portNo, |
| "classifier": classifierInfo, |
| "action": actionInfo, |
| "usmeter-iD": UsMeterID, |
| "dsmeter-iD": DsMeterID, |
| "tp-id": TpID}) |
| // only create tcont/gemports if there is actually an onu id. otherwise BAL throws an error. Usually this |
| // is because the flow is an NNI flow and there would be no onu resources associated with it |
| // TODO: properly deal with NNI flows |
| if onuID == 0 { |
| cause := "no-onu-id-for-flow" |
| fields := log.Fields{ |
| "onu": onuID, |
| "port-no": portNo, |
| "classifer": classifierInfo, |
| "action": actionInfo, |
| "device-id": f.deviceHandler.device.Id} |
| logger.Errorw(ctx, cause, fields) |
| return olterrors.NewErrNotFound(cause, fields, nil) |
| } |
| |
| uni := getUniPortPath(f.deviceHandler.device.Id, intfID, int32(onuID), int32(uniID)) |
| logger.Debugw(ctx, "uni-port-path", log.Fields{ |
| "uni": uni, |
| "device-id": f.deviceHandler.device.Id}) |
| |
| logger.Debugw(ctx, "dividing-flow-create-tcont-gem-ports", log.Fields{ |
| "device-id": f.deviceHandler.device.Id, |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "port-no": portNo, |
| "classifier": classifierInfo, |
| "action": actionInfo, |
| "usmeter-id": UsMeterID, |
| "dsmeter-id": DsMeterID, |
| "tp-id": TpID}) |
| allocID, gemPorts, TpInst = f.createTcontGemports(ctx, intfID, onuID, uniID, uni, portNo, TpID, UsMeterID, DsMeterID, flowMetadata) |
| if allocID == 0 || gemPorts == nil || TpInst == nil { |
| logger.Error(ctx, "alloc-id-gem-ports-tp-unavailable") |
| return olterrors.NewErrNotFound( |
| "alloc-id-gem-ports-tp-unavailable", |
| nil, nil) |
| } |
| args := make(map[string]uint32) |
| args[IntfID] = intfID |
| args[OnuID] = onuID |
| args[UniID] = uniID |
| args[PortNo] = portNo |
| args[AllocID] = allocID |
| |
| /* Flows can be added specific to gemport if p-bits are received. |
| * If no pbit mentioned then adding flows for all gemports |
| */ |
| return f.checkAndAddFlow(ctx, args, classifierInfo, actionInfo, flow, TpInst, gemPorts, TpID, uni) |
| } |
| |
| // CreateSchedulerQueues creates traffic schedulers on the device with the given scheduler configuration and traffic shaping info |
| // nolint: gocyclo |
| func (f *OpenOltFlowMgr) CreateSchedulerQueues(ctx context.Context, sq schedQueue) error { |
| |
| logger.Debugw(ctx, "CreateSchedulerQueues", |
| log.Fields{"dir": sq.direction, |
| "intf-id": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "tp-id": sq.tpID, |
| "meter-id": sq.meterID, |
| "tp-inst": sq.tpInst, |
| "flowmetadata": sq.flowMetadata, |
| "device-id": f.deviceHandler.device.Id}) |
| |
| direction, err := verifyMeterIDAndGetDirection(sq.meterID, sq.direction) |
| if err != nil { |
| return err |
| } |
| |
| var TrafficShaping *tp_pb.TrafficShapingInfo |
| if sq.flowMetadata == nil || len(sq.flowMetadata.Meters) != 1 { |
| return olterrors.NewErrInvalidValue(log.Fields{ |
| "reason": "invalid-meter-config", |
| "meter-id": sq.meterID, |
| "device-id": f.deviceHandler.device.Id}, nil) |
| } |
| |
| if TrafficShaping, err = meters.GetTrafficShapingInfo(ctx, sq.flowMetadata.Meters[0]); err != nil { |
| return olterrors.NewErrInvalidValue(log.Fields{ |
| "reason": "invalid-meter-config", |
| "meter-id": sq.meterID, |
| "device-id": f.deviceHandler.device.Id}, nil) |
| } |
| |
| var SchedCfg *tp_pb.SchedulerConfig |
| if sq.direction == tp_pb.Direction_UPSTREAM { |
| SchedCfg = f.techprofile.GetUsScheduler(sq.tpInst.(*tp_pb.TechProfileInstance)) |
| } else if sq.direction == tp_pb.Direction_DOWNSTREAM { |
| SchedCfg = f.techprofile.GetDsScheduler(sq.tpInst.(*tp_pb.TechProfileInstance)) |
| } |
| TrafficSched := []*tp_pb.TrafficScheduler{f.techprofile.GetTrafficScheduler(sq.tpInst.(*tp_pb.TechProfileInstance), SchedCfg, TrafficShaping)} |
| TrafficSched[0].TechProfileId = sq.tpID |
| |
| /* Lets make a simple assumption that if the meter-id is present on the KV store, |
| * then the scheduler and queues configuration is applied on the OLT device |
| * in the given direction. |
| */ |
| meterInfo, err := f.resourceMgr.GetMeterInfoForOnu(ctx, direction, sq.onuID, sq.uniID, sq.tpID) |
| if err != nil { |
| return olterrors.NewErrNotFound("meter", |
| log.Fields{"intf-id": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| |
| // update reference count and return if the meter was already installed before |
| if meterInfo != nil && meterInfo.MeterID == sq.meterID { |
| logger.Infow(ctx, "scheduler-already-created-for-direction", |
| log.Fields{"device-id": f.deviceHandler.device.Id, "direction": direction, "meter-id": sq.meterID}) |
| if err = f.resourceMgr.HandleMeterInfoRefCntUpdate(ctx, direction, sq.onuID, sq.uniID, sq.tpID, true); err != nil { |
| return err |
| } |
| |
| if allocExists := f.isAllocUsedByAnotherUNI(ctx, sq); allocExists { |
| // Alloc object was already created as part of flow setup on another uni of the onu for the same service. |
| // Just create gem ports and traffic queues on the current uni for the given service |
| logger.Infow(ctx, "alloc in use on another uni, schedulers already created, creating queues only", |
| log.Fields{"intf-id": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "tp-id": sq.tpID, |
| "device-id": f.deviceHandler.device.Id}) |
| // The upstream scheduler is already created. We only need to create the queues |
| // If there are multiple upstream flows on a given uni, then it is possible that |
| // we call pushTrafficQueues multiple times, but that is OK as BAL returns OK. |
| // TODO: Find better mechanism to not duplicate request. |
| if err = f.pushTrafficQueues(ctx, sq, TrafficSched); err != nil { |
| return olterrors.NewErrAdapter("failure-pushing-traffic-queues-to-device", |
| log.Fields{"intf-id": sq.intfID, |
| "direction": sq.direction, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| } else { |
| logger.Infow(ctx, "alloc not in use on another uni, only meter ref cnt updated", |
| log.Fields{"intf-id": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "tp-id": sq.tpID, |
| "device-id": f.deviceHandler.device.Id}) |
| } |
| return err |
| } |
| |
| logger.Debugw(ctx, "meter-does-not-exist-creating-new", |
| log.Fields{ |
| "meter-id": sq.meterID, |
| "direction": direction, |
| "device-id": f.deviceHandler.device.Id}) |
| |
| found := false |
| meterInfo = &rsrcMgr.MeterInfo{} |
| if sq.flowMetadata != nil { |
| for _, meter := range sq.flowMetadata.Meters { |
| if sq.meterID == meter.MeterId { |
| meterInfo.MeterID = meter.MeterId |
| meterInfo.RefCnt = 1 // initialize it to 1, since this is the first flow that referenced the meter id. |
| logger.Debugw(ctx, "found-meter-config-from-flowmetadata", |
| log.Fields{"meter": meter, |
| "device-id": f.deviceHandler.device.Id}) |
| found = true |
| break |
| } |
| } |
| } else { |
| logger.Errorw(ctx, "flow-metadata-not-present-in-flow", log.Fields{"device-id": f.deviceHandler.device.Id}) |
| } |
| if !found { |
| return olterrors.NewErrNotFound("meterbands", log.Fields{ |
| "reason": "Could-not-get-meterbands-from-flowMetadata", |
| "flow-metadata": sq.flowMetadata, |
| "meter-id": sq.meterID, |
| "device-id": f.deviceHandler.device.Id}, nil) |
| } |
| |
| if err := f.pushSchedulerQueuesToDevice(ctx, sq, TrafficSched); err != nil { |
| return olterrors.NewErrAdapter("failure-pushing-traffic-scheduler-and-queues-to-device", |
| log.Fields{"intf-id": sq.intfID, |
| "direction": sq.direction, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| |
| /* After we successfully applied the scheduler configuration on the OLT device, |
| * store the meter id on the KV store, for further reference. |
| */ |
| if err := f.resourceMgr.StoreMeterInfoForOnu(ctx, direction, sq.onuID, sq.uniID, sq.tpID, meterInfo); err != nil { |
| return olterrors.NewErrAdapter("failed-updating-meter-id", |
| log.Fields{"onu-id": sq.onuID, |
| "meter-id": sq.meterID, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| logger.Infow(ctx, "updated-meter-info-into-kv-store-successfully", |
| log.Fields{"direction": direction, |
| "meter-info": meterInfo, |
| "device-id": f.deviceHandler.device.Id}) |
| return nil |
| } |
| |
| func (f *OpenOltFlowMgr) pushTrafficQueues(ctx context.Context, sq schedQueue, TrafficSched []*tp_pb.TrafficScheduler) error { |
| trafficQueues, err := f.techprofile.GetTrafficQueues(ctx, sq.tpInst.(*tp_pb.TechProfileInstance), sq.direction) |
| if err != nil { |
| return olterrors.NewErrAdapter("unable-to-construct-traffic-queue-configuration", |
| log.Fields{"intf-id": sq.intfID, |
| "direction": sq.direction, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| logger.Debugw(ctx, "sending-traffic-queues-create-to-device", |
| log.Fields{"direction": sq.direction, |
| "traffic-queues": trafficQueues, |
| "device-id": f.deviceHandler.device.Id}) |
| queues := &tp_pb.TrafficQueues{IntfId: sq.intfID, OnuId: sq.onuID, |
| UniId: sq.uniID, PortNo: sq.uniPort, |
| TrafficQueues: trafficQueues, |
| TechProfileId: TrafficSched[0].TechProfileId} |
| if _, err := f.deviceHandler.Client.CreateTrafficQueues(ctx, queues); err != nil { |
| if len(queues.TrafficQueues) > 1 { |
| logger.Debug(ctx, "removing-queues-for-1tcont-multi-gem", log.Fields{"intfID": sq.intfID, "onuID": sq.onuID, "dir": sq.direction}) |
| _, _ = f.deviceHandler.Client.RemoveTrafficQueues(ctx, queues) |
| } |
| return olterrors.NewErrAdapter("failed-to-create-traffic-queues-in-device", log.Fields{"traffic-queues": trafficQueues}, err) |
| } |
| return err |
| } |
| |
| func (f *OpenOltFlowMgr) pushSchedulerQueuesToDevice(ctx context.Context, sq schedQueue, TrafficSched []*tp_pb.TrafficScheduler) error { |
| trafficQueues, err := f.techprofile.GetTrafficQueues(ctx, sq.tpInst.(*tp_pb.TechProfileInstance), sq.direction) |
| |
| if err != nil { |
| return olterrors.NewErrAdapter("unable-to-construct-traffic-queue-configuration", |
| log.Fields{"intf-id": sq.intfID, |
| "direction": sq.direction, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| |
| if allocExists := f.isAllocUsedByAnotherUNI(ctx, sq); !allocExists { |
| logger.Debugw(ctx, "sending-traffic-scheduler-create-to-device", |
| log.Fields{ |
| "direction": sq.direction, |
| "TrafficScheds": TrafficSched, |
| "device-id": f.deviceHandler.device.Id, |
| "intfID": sq.intfID, |
| "onuID": sq.onuID, |
| "uniID": sq.uniID}) |
| if _, err := f.deviceHandler.Client.CreateTrafficSchedulers(ctx, &tp_pb.TrafficSchedulers{ |
| IntfId: sq.intfID, OnuId: sq.onuID, |
| UniId: sq.uniID, PortNo: sq.uniPort, |
| TrafficScheds: TrafficSched}); err != nil { |
| return olterrors.NewErrAdapter("failed-to-create-traffic-schedulers-in-device", log.Fields{"TrafficScheds": TrafficSched}, err) |
| } |
| logger.Infow(ctx, "successfully-created-traffic-schedulers", log.Fields{ |
| "direction": sq.direction, |
| "traffic-queues": trafficQueues, |
| "device-id": f.deviceHandler.device.Id}) |
| } |
| |
| // On receiving the CreateTrafficQueues request, the driver should create corresponding |
| // downstream queues. |
| logger.Debugw(ctx, "sending-traffic-queues-create-to-device", |
| log.Fields{"direction": sq.direction, |
| "traffic-queues": trafficQueues, |
| "device-id": f.deviceHandler.device.Id}) |
| queues := &tp_pb.TrafficQueues{IntfId: sq.intfID, OnuId: sq.onuID, |
| UniId: sq.uniID, PortNo: sq.uniPort, |
| TrafficQueues: trafficQueues, |
| TechProfileId: TrafficSched[0].TechProfileId} |
| if _, err := f.deviceHandler.Client.CreateTrafficQueues(ctx, queues); err != nil { |
| if len(queues.TrafficQueues) > 1 { |
| logger.Debug(ctx, "removing-queues-for-1tcont-multi-gem", log.Fields{"intfID": sq.intfID, "onuID": sq.onuID, "dir": sq.direction}) |
| _, _ = f.deviceHandler.Client.RemoveTrafficQueues(ctx, queues) |
| } |
| f.revertScheduler(ctx, sq, TrafficSched) |
| return olterrors.NewErrAdapter("failed-to-create-traffic-queues-in-device", log.Fields{"traffic-queues": trafficQueues}, err) |
| } |
| logger.Infow(ctx, "successfully-created-traffic-schedulers", log.Fields{ |
| "direction": sq.direction, |
| "traffic-queues": trafficQueues, |
| "device-id": f.deviceHandler.device.Id}) |
| |
| if sq.direction == tp_pb.Direction_DOWNSTREAM { |
| multicastTrafficQueues := f.techprofile.GetMulticastTrafficQueues(ctx, sq.tpInst.(*tp_pb.TechProfileInstance)) |
| if len(multicastTrafficQueues) > 0 { |
| if _, present := f.grpMgr.GetInterfaceToMcastQueueMap(sq.intfID); !present { //assumed that there is only one queue per PON for the multicast service |
| //the default queue with multicastQueuePerPonPort.Priority per a pon interface is used for multicast service |
| //just put it in interfaceToMcastQueueMap to use for building group members |
| logger.Debugw(ctx, "multicast-traffic-queues", log.Fields{"device-id": f.deviceHandler.device.Id}) |
| multicastQueuePerPonPort := multicastTrafficQueues[0] |
| val := &QueueInfoBrief{ |
| gemPortID: multicastQueuePerPonPort.GemportId, |
| servicePriority: multicastQueuePerPonPort.Priority, |
| } |
| f.grpMgr.UpdateInterfaceToMcastQueueMap(sq.intfID, val) |
| //also store the queue info in kv store |
| if err := f.resourceMgr.AddMcastQueueForIntf(ctx, multicastQueuePerPonPort.GemportId, multicastQueuePerPonPort.Priority); err != nil { |
| logger.Errorw(ctx, "failed-to-add-mcast-queue", log.Fields{"err": err}) |
| return err |
| } |
| |
| logger.Infow(ctx, "multicast-queues-successfully-updated", log.Fields{"device-id": f.deviceHandler.device.Id}) |
| } |
| } |
| } |
| return nil |
| } |
| |
| // RemoveQueues removes the traffic queues from the device based on the given schedQueue info |
| func (f *OpenOltFlowMgr) RemoveQueues(ctx context.Context, sq schedQueue) error { |
| var err error |
| logger.Infow(ctx, "removing-queue-in-olt", |
| log.Fields{ |
| "direction": sq.direction, |
| "intf-id": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "uni-port": sq.uniPort, |
| "device-id": f.deviceHandler.device.Id}) |
| |
| TrafficQueues, err := f.techprofile.GetTrafficQueues(ctx, sq.tpInst.(*tp_pb.TechProfileInstance), sq.direction) |
| if err != nil { |
| return olterrors.NewErrAdapter("unable-to-construct-traffic-queue-configuration", |
| log.Fields{ |
| "intf-id": sq.intfID, |
| "direction": sq.direction, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| |
| if _, err = f.deviceHandler.Client.RemoveTrafficQueues(ctx, |
| &tp_pb.TrafficQueues{IntfId: sq.intfID, OnuId: sq.onuID, |
| UniId: sq.uniID, PortNo: sq.uniPort, |
| TrafficQueues: TrafficQueues, |
| TechProfileId: sq.tpID}); err != nil { |
| return olterrors.NewErrAdapter("unable-to-remove-traffic-queues-from-device", |
| log.Fields{ |
| "intf-id": sq.intfID, |
| "traffic-queues": TrafficQueues, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| logger.Infow(ctx, "removed-traffic-queues-successfully", log.Fields{"device-id": f.deviceHandler.device.Id, "trafficQueues": TrafficQueues}) |
| |
| return err |
| } |
| |
| // RemoveScheduler removes the traffic scheduler from the device based on the given schedQueue info |
| func (f *OpenOltFlowMgr) RemoveScheduler(ctx context.Context, sq schedQueue) error { |
| var Direction string |
| var SchedCfg *tp_pb.SchedulerConfig |
| var err error |
| logger.Infow(ctx, "removing-scheduler-in-olt", |
| log.Fields{ |
| "direction": sq.direction, |
| "intf-id": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "uni-port": sq.uniPort, |
| "device-id": f.deviceHandler.device.Id}) |
| if sq.direction == tp_pb.Direction_UPSTREAM { |
| SchedCfg = f.techprofile.GetUsScheduler(sq.tpInst.(*tp_pb.TechProfileInstance)) |
| Direction = "upstream" |
| } else if sq.direction == tp_pb.Direction_DOWNSTREAM { |
| SchedCfg = f.techprofile.GetDsScheduler(sq.tpInst.(*tp_pb.TechProfileInstance)) |
| Direction = "downstream" |
| } |
| |
| TrafficShaping := &tp_pb.TrafficShapingInfo{} // this info is not really useful for the agent during flow removal. Just use default values. |
| |
| TrafficSched := []*tp_pb.TrafficScheduler{f.techprofile.GetTrafficScheduler(sq.tpInst.(*tp_pb.TechProfileInstance), SchedCfg, TrafficShaping)} |
| TrafficSched[0].TechProfileId = sq.tpID |
| |
| if _, err = f.deviceHandler.Client.RemoveTrafficSchedulers(ctx, &tp_pb.TrafficSchedulers{ |
| IntfId: sq.intfID, OnuId: sq.onuID, |
| UniId: sq.uniID, PortNo: sq.uniPort, |
| TrafficScheds: TrafficSched}); err != nil { |
| return olterrors.NewErrAdapter("unable-to-remove-traffic-schedulers-from-device", |
| log.Fields{ |
| "intf-id": sq.intfID, |
| "traffic-schedulers": TrafficSched, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "uni-port": sq.uniPort}, err) |
| } |
| |
| logger.Infow(ctx, "removed-traffic-schedulers-successfully", |
| log.Fields{"device-id": f.deviceHandler.device.Id, |
| "intf-id": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "uni-port": sq.uniPort}) |
| |
| if sq.direction == tp_pb.Direction_UPSTREAM { |
| allocID := sq.tpInst.(*tp_pb.TechProfileInstance).UsScheduler.AllocId |
| // Delete the TCONT on the ONU. |
| uni := getUniPortPath(f.deviceHandler.device.Id, sq.intfID, int32(sq.onuID), int32(sq.uniID)) |
| tpPath := f.getTPpath(ctx, uni, sq.tpID) |
| if err := f.sendDeleteTcontToChild(ctx, sq.intfID, sq.onuID, sq.uniID, allocID, tpPath); err != nil { |
| logger.Errorw(ctx, "error-processing-delete-tcont-towards-onu", |
| log.Fields{ |
| "intf": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "device-id": f.deviceHandler.device.Id, |
| "alloc-id": allocID}) |
| } |
| } |
| |
| /* After we successfully remove the scheduler configuration on the OLT device, |
| * delete the meter id on the KV store. |
| */ |
| err = f.removeMeterReference(ctx, Direction, sq) |
| return err |
| } |
| |
| // We are trying to force remove the schedulers and queues here if one exists for the given key. |
| // We ignore any errors encountered in the process. The errors most likely are encountered when |
| // the schedulers and queues are already cleared for the given key. |
| func (f *OpenOltFlowMgr) forceRemoveSchedulerQueues(ctx context.Context, sq schedQueue) { |
| |
| var schedCfg *tp_pb.SchedulerConfig |
| var err error |
| logger.Infow(ctx, "removing-schedulers-and-queues-in-olt", |
| log.Fields{ |
| "direction": sq.direction, |
| "intf-id": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "uni-port": sq.uniPort, |
| "tp-id": sq.tpID, |
| "device-id": f.deviceHandler.device.Id}) |
| if sq.direction == tp_pb.Direction_UPSTREAM { |
| schedCfg = f.techprofile.GetUsScheduler(sq.tpInst.(*tp_pb.TechProfileInstance)) |
| } else if sq.direction == tp_pb.Direction_DOWNSTREAM { |
| schedCfg = f.techprofile.GetDsScheduler(sq.tpInst.(*tp_pb.TechProfileInstance)) |
| } |
| |
| TrafficShaping := &tp_pb.TrafficShapingInfo{} // this info is not really useful for the agent during flow removal. Just use default values. |
| TrafficSched := []*tp_pb.TrafficScheduler{f.techprofile.GetTrafficScheduler(sq.tpInst.(*tp_pb.TechProfileInstance), schedCfg, TrafficShaping)} |
| TrafficSched[0].TechProfileId = sq.tpID |
| |
| // Remove traffic queues. Ignore any errors, just log them. |
| if TrafficQueues, err := f.techprofile.GetTrafficQueues(ctx, sq.tpInst.(*tp_pb.TechProfileInstance), sq.direction); err != nil { |
| logger.Errorw(ctx, "error retrieving traffic queue", log.Fields{ |
| "direction": sq.direction, |
| "intf-id": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "uni-port": sq.uniPort, |
| "tp-id": sq.tpID, |
| "device-id": f.deviceHandler.device.Id, |
| "err": err}) |
| } else { |
| if _, err = f.deviceHandler.Client.RemoveTrafficQueues(ctx, |
| &tp_pb.TrafficQueues{IntfId: sq.intfID, OnuId: sq.onuID, |
| UniId: sq.uniID, PortNo: sq.uniPort, |
| TrafficQueues: TrafficQueues, |
| TechProfileId: TrafficSched[0].TechProfileId}); err != nil { |
| logger.Warnw(ctx, "error removing traffic queue", log.Fields{ |
| "direction": sq.direction, |
| "intf-id": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "uni-port": sq.uniPort, |
| "tp-id": sq.tpID, |
| "device-id": f.deviceHandler.device.Id, |
| "err": err}) |
| |
| } else { |
| logger.Infow(ctx, "removed-traffic-queues-successfully", log.Fields{"device-id": f.deviceHandler.device.Id, |
| "direction": sq.direction, |
| "intf-id": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "uni-port": sq.uniPort, |
| "tp-id": sq.tpID}) |
| } |
| } |
| |
| // Remove traffic schedulers. Ignore any errors, just log them. |
| if _, err = f.deviceHandler.Client.RemoveTrafficSchedulers(ctx, &tp_pb.TrafficSchedulers{ |
| IntfId: sq.intfID, OnuId: sq.onuID, |
| UniId: sq.uniID, PortNo: sq.uniPort, |
| TrafficScheds: TrafficSched}); err != nil { |
| logger.Warnw(ctx, "error removing traffic scheduler", log.Fields{ |
| "direction": sq.direction, |
| "intf-id": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "uni-port": sq.uniPort, |
| "tp-id": sq.tpID, |
| "device-id": f.deviceHandler.device.Id, |
| "err": err}) |
| } else { |
| logger.Infow(ctx, "removed-traffic-schedulers-successfully", log.Fields{"device-id": f.deviceHandler.device.Id, |
| "direction": sq.direction, |
| "intf-id": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "uni-port": sq.uniPort, |
| "tp-id": sq.tpID}) |
| } |
| } |
| |
| // This function allocates tconts and GEM ports for an ONU |
| func (f *OpenOltFlowMgr) createTcontGemports(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, uni string, uniPort uint32, TpID uint32, UsMeterID uint32, DsMeterID uint32, flowMetadata *ofp.FlowMetadata) (uint32, []uint32, interface{}) { |
| var allocIDs []uint32 |
| var allgemPortIDs []uint32 |
| var gemPortIDs []uint32 |
| tpInstanceExists := false |
| var err error |
| allocIDs = f.resourceMgr.GetCurrentAllocIDsForOnu(ctx, onuID, uniID) |
| allgemPortIDs = f.resourceMgr.GetCurrentGEMPortIDsForOnu(ctx, onuID, uniID) |
| tpPath := f.getTPpath(ctx, uni, TpID) |
| |
| logger.Debugw(ctx, "creating-new-tcont-and-gem", log.Fields{ |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "device-id": f.deviceHandler.device.Id, |
| "tp-id": TpID}) |
| |
| // Check tech profile instance already exists for derived port name |
| techProfileInstance, _ := f.techprofile.GetTPInstance(ctx, tpPath) |
| if techProfileInstance == nil { |
| logger.Infow(ctx, "tp-instance-not-found--creating-new", |
| log.Fields{ |
| "path": tpPath, |
| "device-id": f.deviceHandler.device.Id}) |
| techProfileInstance, err = f.techprofile.CreateTechProfileInstance(ctx, TpID, uni, intfID) |
| if err != nil { |
| // This should not happen, something wrong in KV backend transaction |
| logger.Errorw(ctx, "tp-instance-create-failed", |
| log.Fields{ |
| "err": err, |
| "tp-id": TpID, |
| "device-id": f.deviceHandler.device.Id}) |
| return 0, nil, nil |
| } |
| if err := f.resourceMgr.UpdateTechProfileIDForOnu(ctx, onuID, uniID, TpID); err != nil { |
| logger.Warnw(ctx, "failed-to-update-tech-profile-id", log.Fields{"err": err}) |
| } |
| } else { |
| logger.Debugw(ctx, "tech-profile-instance-already-exist-for-given port-name", |
| log.Fields{ |
| "uni": uni, |
| "device-id": f.deviceHandler.device.Id}) |
| tpInstanceExists = true |
| } |
| |
| switch tpInst := techProfileInstance.(type) { |
| case *tp_pb.TechProfileInstance: |
| if UsMeterID != 0 { |
| sq := schedQueue{direction: tp_pb.Direction_UPSTREAM, intfID: intfID, onuID: onuID, uniID: uniID, tpID: TpID, |
| uniPort: uniPort, tpInst: techProfileInstance, meterID: UsMeterID, flowMetadata: flowMetadata} |
| if err := f.CreateSchedulerQueues(ctx, sq); err != nil { |
| logger.Errorw(ctx, "CreateSchedulerQueues-failed-upstream", |
| log.Fields{ |
| "err": err, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "intf-id": intfID, |
| "meter-id": UsMeterID, |
| "device-id": f.deviceHandler.device.Id}) |
| f.revertTechProfileInstance(ctx, sq) |
| return 0, nil, nil |
| } |
| } |
| if DsMeterID != 0 { |
| sq := schedQueue{direction: tp_pb.Direction_DOWNSTREAM, intfID: intfID, onuID: onuID, uniID: uniID, tpID: TpID, |
| uniPort: uniPort, tpInst: techProfileInstance, meterID: DsMeterID, flowMetadata: flowMetadata} |
| if err := f.CreateSchedulerQueues(ctx, sq); err != nil { |
| logger.Errorw(ctx, "CreateSchedulerQueues-failed-downstream", |
| log.Fields{ |
| "err": err, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "intf-id": intfID, |
| "meter-id": DsMeterID, |
| "device-id": f.deviceHandler.device.Id}) |
| f.revertTechProfileInstance(ctx, sq) |
| return 0, nil, nil |
| } |
| } |
| allocID := tpInst.UsScheduler.AllocId |
| for _, gem := range tpInst.UpstreamGemPortAttributeList { |
| gemPortIDs = append(gemPortIDs, gem.GemportId) |
| } |
| allocIDs = appendUnique32bit(allocIDs, allocID) |
| |
| if tpInstanceExists { |
| return allocID, gemPortIDs, techProfileInstance |
| } |
| |
| for _, gemPortID := range gemPortIDs { |
| allgemPortIDs = appendUnique32bit(allgemPortIDs, gemPortID) |
| } |
| logger.Infow(ctx, "allocated-tcont-and-gem-ports", |
| log.Fields{ |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "alloc-ids": allocIDs, |
| "gemports": allgemPortIDs, |
| "device-id": f.deviceHandler.device.Id}) |
| // Send Tconts and GEM ports to KV store |
| f.storeTcontsGEMPortsIntoKVStore(ctx, intfID, onuID, uniID, allocIDs, allgemPortIDs) |
| return allocID, gemPortIDs, techProfileInstance |
| case *tp_pb.EponTechProfileInstance: |
| // CreateSchedulerQueues for EPON needs to be implemented here |
| // when voltha-protos for EPON is completed. |
| allocID := tpInst.AllocId |
| for _, gem := range tpInst.UpstreamQueueAttributeList { |
| gemPortIDs = append(gemPortIDs, gem.GemportId) |
| } |
| allocIDs = appendUnique32bit(allocIDs, allocID) |
| |
| if tpInstanceExists { |
| return allocID, gemPortIDs, techProfileInstance |
| } |
| |
| for _, gemPortID := range gemPortIDs { |
| allgemPortIDs = appendUnique32bit(allgemPortIDs, gemPortID) |
| } |
| logger.Infow(ctx, "allocated-tcont-and-gem-ports", |
| log.Fields{ |
| "alloc-ids": allocIDs, |
| "gemports": allgemPortIDs, |
| "device-id": f.deviceHandler.device.Id}) |
| // Send Tconts and GEM ports to KV store |
| f.storeTcontsGEMPortsIntoKVStore(ctx, intfID, onuID, uniID, allocIDs, allgemPortIDs) |
| return allocID, gemPortIDs, techProfileInstance |
| default: |
| logger.Errorw(ctx, "unknown-tech", |
| log.Fields{ |
| "tpInst": tpInst}) |
| return 0, nil, nil |
| } |
| } |
| |
| func (f *OpenOltFlowMgr) storeTcontsGEMPortsIntoKVStore(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, allocID []uint32, gemPortIDs []uint32) { |
| |
| logger.Debugw(ctx, "storing-allocated-tconts-and-gem-ports-into-KV-store", |
| log.Fields{ |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "alloc-id": allocID, |
| "gemport-ids": gemPortIDs, |
| "device-id": f.deviceHandler.device.Id}) |
| /* Update the allocated alloc_id and gem_port_id for the ONU/UNI to KV store */ |
| if err := f.resourceMgr.UpdateAllocIdsForOnu(ctx, onuID, uniID, allocID); err != nil { |
| logger.Errorw(ctx, "error-while-uploading-allocid-to-kv-store", log.Fields{"device-id": f.deviceHandler.device.Id, "onuID": onuID, "allocID": allocID}) |
| } |
| if err := f.resourceMgr.UpdateGEMPortIDsForOnu(ctx, onuID, uniID, gemPortIDs); err != nil { |
| logger.Errorw(ctx, "error-while-uploading-gemports-to-kv-store", log.Fields{"device-id": f.deviceHandler.device.Id, "onuID": onuID, "gemPort": gemPortIDs}) |
| } |
| |
| logger.Infow(ctx, "stored-tconts-and-gem-into-kv-store-successfully", log.Fields{"device-id": f.deviceHandler.device.Id}) |
| for _, gemPort := range gemPortIDs { |
| if err := f.resourceMgr.AddGemToOnuGemInfo(ctx, onuID, gemPort); err != nil { |
| logger.Errorw(ctx, "error-while-uploading-onugeminfos-to-kv-store", log.Fields{"device-id": f.deviceHandler.device.Id, "onuID": onuID, "gemPort": gemPort}) |
| } |
| } |
| } |
| |
| func (f *OpenOltFlowMgr) populateTechProfileForCurrentPonPort(ctx context.Context) error { |
| for _, techRange := range f.resourceMgr.DevInfo.Ranges { |
| for _, intfID := range techRange.IntfIds { |
| if intfID == f.ponPortIdx { // initialize only for the pon port that this flow manager is managing |
| var err error |
| f.techprofile, err = tp.NewTechProfile(ctx, f.resourceMgr.PonRsrMgr, f.resourceMgr.PonRsrMgr.Backend, |
| f.resourceMgr.PonRsrMgr.Address, f.deviceHandler.cm.Backend.PathPrefix) |
| if err != nil || f.techprofile == nil { |
| logger.Errorw(ctx, "failed-to-allocate-to-techprofile-for-pon-port", log.Fields{"intfID": intfID, "err": err}) |
| return fmt.Errorf("failed-to-allocate-tech-profile-for-pon-port--pon-%v-err-%v", intfID, err) |
| } |
| logger.Debugw(ctx, "init-tech-profile-done", |
| log.Fields{ |
| "intf-id": intfID, |
| "device-id": f.deviceHandler.device.Id}) |
| return nil |
| } |
| } |
| } |
| logger.Errorw(ctx, "pon port not found in the the device pon port range", log.Fields{"intfID": f.ponPortIdx}) |
| return fmt.Errorf("pon-port-idx-not-found-in-the-device-info-pon-port-range-%v", f.ponPortIdx) |
| } |
| |
| func (f *OpenOltFlowMgr) addUpstreamDataPathFlow(ctx context.Context, flowContext *flowContext) error { |
| flowContext.classifier[PacketTagType] = SingleTag |
| // extract the cvid/inner-vid from the write metadata |
| writeMetadata := flows.GetMetadataFromWriteMetadataAction(ctx, flowContext.logicalFlow) |
| if writeMetadata != 0 { |
| // Writemetadata field is 8 bytes |
| // cvid is on the outer most two bytes of the write metadata |
| cvid := (writeMetadata & 0xffff000000000000) >> 48 |
| // if the cvid does not match the classifier vlan, then this indicates it is a double tagged packet |
| if cvid != flowContext.classifier[VlanVid] && cvid != 0 { |
| flowContext.classifier[PacketTagType] = DoubleTag |
| } |
| } |
| logger.Debugw(ctx, "adding-upstream-data-flow", |
| log.Fields{ |
| "uplinkClassifier": flowContext.classifier, |
| "uplinkAction": flowContext.action}) |
| return f.addSymmetricDataPathFlow(ctx, flowContext, Upstream) |
| } |
| |
| func (f *OpenOltFlowMgr) addDownstreamDataPathFlow(ctx context.Context, flowContext *flowContext) error { |
| downlinkClassifier := flowContext.classifier |
| downlinkAction := flowContext.action |
| // default to single tag. If we detect an inner cvid from write-metadata, then we mark the PacketTagType as DoubleTag |
| downlinkClassifier[PacketTagType] = SingleTag |
| // extract the cvid/inner-vid from the write metadata |
| writeMetadata := flows.GetMetadataFromWriteMetadataAction(ctx, flowContext.logicalFlow) |
| if writeMetadata != 0 { |
| // Writemetadata field is 8 bytes |
| // cvid is on the outer most two bytes of the write metadata |
| if cvid := (writeMetadata & 0xffff000000000000) >> 48; cvid != 0 { |
| downlinkClassifier[PacketTagType] = DoubleTag |
| } |
| } |
| logger.Debugw(ctx, "adding-downstream-data-flow", |
| log.Fields{ |
| "downlinkClassifier": downlinkClassifier, |
| "downlinkAction": downlinkAction}) |
| |
| // If Pop Vlan action is specified, set the vlan to be popped from the classifier vlan match field. |
| // The matched vlan is the one that is getting popped. |
| if val, ok := downlinkAction[PopVlan]; ok && val.(bool) { |
| // vlan_vid is a uint32. must be type asserted as such or conversion fails |
| dlClVid, ok := downlinkClassifier[VlanVid].(uint32) |
| if ok { |
| downlinkAction[VlanVid] = dlClVid & 0xfff |
| } |
| } |
| |
| return f.addSymmetricDataPathFlow(ctx, flowContext, Downstream) |
| } |
| |
| func (f *OpenOltFlowMgr) addSymmetricDataPathFlow(ctx context.Context, flowContext *flowContext, direction string) error { |
| |
| intfID := flowContext.intfID |
| onuID := flowContext.onuID |
| uniID := flowContext.uniID |
| classifier := flowContext.classifier |
| action := flowContext.action |
| allocID := flowContext.allocID |
| gemPortID := flowContext.gemPortID |
| tpID := flowContext.tpID |
| logicalFlow := flowContext.logicalFlow |
| logger.Infow(ctx, "adding-hsia-flow", |
| log.Fields{ |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "device-id": f.deviceHandler.device.Id, |
| "classifier": classifier, |
| "action": action, |
| "direction": direction, |
| "alloc-id": allocID, |
| "gemport-id": gemPortID, |
| "logicalflow": *logicalFlow}) |
| |
| present, err := f.resourceMgr.IsFlowOnKvStore(ctx, int32(onuID), logicalFlow.Id) |
| if present { |
| logger.Infow(ctx, "flow-already-exists", |
| log.Fields{ |
| "device-id": f.deviceHandler.device.Id, |
| "intf-id": intfID, |
| "onu-id": onuID}) |
| return nil |
| } else if err != nil { |
| logger.Errorw(ctx, "aborting-addSymmetricDataPathFlow--flow-may-already-exist", |
| log.Fields{"intf-id": intfID, "onu-id": onuID, "flow-id": logicalFlow.Id}) |
| return err |
| } |
| |
| classifierProto, err := makeOpenOltClassifierField(classifier) |
| if err != nil { |
| return olterrors.NewErrInvalidValue(log.Fields{"classifier": classifier, "device-id": f.deviceHandler.device.Id}, err).Log() |
| } |
| logger.Debugw(ctx, "created-classifier-proto", |
| log.Fields{ |
| "classifier": *classifierProto, |
| "device-id": f.deviceHandler.device.Id}) |
| actionProto, err := makeOpenOltActionField(action, classifier) |
| if err != nil { |
| return olterrors.NewErrInvalidValue(log.Fields{"action": action, "device-id": f.deviceHandler.device.Id}, err).Log() |
| } |
| logger.Debugw(ctx, "created-action-proto", |
| log.Fields{ |
| "action": *actionProto, |
| "device-id": f.deviceHandler.device.Id}) |
| networkIntfID, err := getNniIntfID(ctx, classifier, action) |
| if err != nil { |
| return olterrors.NewErrNotFound("nni-interface-id", |
| log.Fields{ |
| "classifier": classifier, |
| "action": action, |
| "device-id": f.deviceHandler.device.Id, |
| }, err).Log() |
| } |
| |
| flow := openoltpb2.Flow{AccessIntfId: int32(intfID), |
| OnuId: int32(onuID), |
| UniId: int32(uniID), |
| FlowId: logicalFlow.Id, |
| FlowType: direction, |
| AllocId: int32(allocID), |
| NetworkIntfId: int32(networkIntfID), |
| GemportId: int32(gemPortID), |
| Classifier: classifierProto, |
| Action: actionProto, |
| Priority: int32(logicalFlow.Priority), |
| Cookie: logicalFlow.Cookie, |
| PortNo: flowContext.portNo, |
| TechProfileId: tpID, |
| ReplicateFlow: len(flowContext.pbitToGem) > 0, |
| PbitToGemport: flowContext.pbitToGem, |
| GemportToAes: flowContext.gemToAes, |
| } |
| if err := f.addFlowToDevice(ctx, logicalFlow, &flow); err != nil { |
| return olterrors.NewErrFlowOp("add", logicalFlow.Id, nil, err).Log() |
| } |
| logger.Infow(ctx, "hsia-flow-added-to-device-successfully", |
| log.Fields{"direction": direction, |
| "device-id": f.deviceHandler.device.Id, |
| "flow": flow, |
| "intf-id": intfID, |
| "onu-id": onuID}) |
| |
| return nil |
| } |
| |
| func (f *OpenOltFlowMgr) addDHCPTrapFlow(ctx context.Context, flowContext *flowContext) error { |
| |
| intfID := flowContext.intfID |
| onuID := flowContext.onuID |
| uniID := flowContext.uniID |
| logicalFlow := flowContext.logicalFlow |
| classifier := flowContext.classifier |
| action := flowContext.action |
| |
| networkIntfID, err := getNniIntfID(ctx, classifier, action) |
| if err != nil { |
| return olterrors.NewErrNotFound("nni-interface-id", log.Fields{ |
| "classifier": classifier, |
| "action": action, |
| "device-id": f.deviceHandler.device.Id}, |
| err).Log() |
| } |
| |
| // Clear the action map |
| for k := range action { |
| delete(action, k) |
| } |
| |
| action[TrapToHost] = true |
| classifier[UDPSrc] = uint32(68) |
| classifier[UDPDst] = uint32(67) |
| classifier[PacketTagType] = SingleTag |
| |
| present, err := f.resourceMgr.IsFlowOnKvStore(ctx, int32(onuID), logicalFlow.Id) |
| if present { |
| logger.Infow(ctx, "flow-exists--not-re-adding", |
| log.Fields{ |
| "device-id": f.deviceHandler.device.Id, |
| "intf-id": intfID, |
| "onu-id": onuID}) |
| return nil |
| } else if err != nil { |
| logger.Errorw(ctx, "aborting-addDHCPTrapFlow--flow-may-already-exist", |
| log.Fields{"intf-id": intfID, "onu-id": onuID, "flow-id": logicalFlow.Id}) |
| return err |
| } |
| |
| logger.Debugw(ctx, "creating-ul-dhcp-flow", |
| log.Fields{ |
| "ul_classifier": classifier, |
| "ul_action": action, |
| "uplinkFlowId": logicalFlow.Id, |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "device-id": f.deviceHandler.device.Id}) |
| |
| classifierProto, err := makeOpenOltClassifierField(classifier) |
| if err != nil { |
| return olterrors.NewErrInvalidValue(log.Fields{"classifier": classifier}, err).Log() |
| } |
| logger.Debugw(ctx, "created-classifier-proto", log.Fields{"classifier": *classifierProto}) |
| actionProto, err := makeOpenOltActionField(action, classifier) |
| if err != nil { |
| return olterrors.NewErrInvalidValue(log.Fields{"action": action}, err).Log() |
| } |
| |
| dhcpFlow := openoltpb2.Flow{AccessIntfId: int32(intfID), |
| OnuId: int32(onuID), |
| UniId: int32(uniID), |
| FlowId: logicalFlow.Id, |
| FlowType: Upstream, |
| AllocId: int32(flowContext.allocID), |
| NetworkIntfId: int32(networkIntfID), |
| GemportId: int32(flowContext.gemPortID), |
| Classifier: classifierProto, |
| Action: actionProto, |
| Priority: int32(logicalFlow.Priority), |
| Cookie: logicalFlow.Cookie, |
| PortNo: flowContext.portNo, |
| TechProfileId: flowContext.tpID, |
| ReplicateFlow: len(flowContext.pbitToGem) > 0, |
| PbitToGemport: flowContext.pbitToGem, |
| GemportToAes: flowContext.gemToAes, |
| } |
| if err := f.addFlowToDevice(ctx, logicalFlow, &dhcpFlow); err != nil { |
| return olterrors.NewErrFlowOp("add", logicalFlow.Id, log.Fields{"dhcp-flow": dhcpFlow}, err).Log() |
| } |
| logger.Infow(ctx, "dhcp-ul-flow-added-to-device-successfully", |
| log.Fields{ |
| "device-id": f.deviceHandler.device.Id, |
| "flow-id": logicalFlow.Id, |
| "intf-id": intfID, |
| "onu-id": onuID}) |
| |
| return nil |
| } |
| |
| // addIGMPTrapFlow creates IGMP trap-to-host flow |
| func (f *OpenOltFlowMgr) addIGMPTrapFlow(ctx context.Context, flowContext *flowContext) error { |
| delete(flowContext.classifier, VlanVid) |
| return f.addUpstreamTrapFlow(ctx, flowContext) |
| } |
| |
| // addUpstreamTrapFlow creates a trap-to-host flow |
| func (f *OpenOltFlowMgr) addUpstreamTrapFlow(ctx context.Context, flowContext *flowContext) error { |
| |
| intfID := flowContext.intfID |
| onuID := flowContext.onuID |
| uniID := flowContext.uniID |
| logicalFlow := flowContext.logicalFlow |
| classifier := flowContext.classifier |
| action := flowContext.action |
| |
| networkIntfID, err := getNniIntfID(ctx, classifier, action) |
| if err != nil { |
| return olterrors.NewErrNotFound("nni-interface-id", |
| log.Fields{ |
| "classifier": classifier, |
| "action": action, |
| "device-id": f.deviceHandler.device.Id}, |
| err).Log() |
| } |
| |
| // Clear the action map |
| for k := range action { |
| delete(action, k) |
| } |
| |
| action[TrapToHost] = true |
| classifier[PacketTagType] = SingleTag |
| |
| present, err := f.resourceMgr.IsFlowOnKvStore(ctx, int32(onuID), logicalFlow.Id) |
| if present { |
| logger.Infow(ctx, "flow-exists-not-re-adding", log.Fields{"device-id": f.deviceHandler.device.Id}) |
| return nil |
| } else if err != nil { |
| logger.Errorw(ctx, "aborting-addUpstreamTrapFlow--flow-may-already-exist", |
| log.Fields{"intf-id": intfID, "onu-id": onuID, "flow-id": logicalFlow.Id}) |
| return err |
| } |
| |
| logger.Debugw(ctx, "creating-upstream-trap-flow", |
| log.Fields{ |
| "ul_classifier": classifier, |
| "ul_action": action, |
| "uplinkFlowId": logicalFlow.Id, |
| "device-id": f.deviceHandler.device.Id, |
| "intf-id": intfID, |
| "onu-id": onuID}) |
| |
| classifierProto, err := makeOpenOltClassifierField(classifier) |
| if err != nil { |
| return olterrors.NewErrInvalidValue(log.Fields{"classifier": classifier, "device-id": f.deviceHandler.device.Id}, err).Log() |
| } |
| logger.Debugw(ctx, "created-classifier-proto", |
| log.Fields{ |
| "classifier": *classifierProto, |
| "device-id": f.deviceHandler.device.Id}) |
| actionProto, err := makeOpenOltActionField(action, classifier) |
| if err != nil { |
| return olterrors.NewErrInvalidValue(log.Fields{"action": action, "device-id": f.deviceHandler.device.Id}, err).Log() |
| } |
| |
| flow := openoltpb2.Flow{AccessIntfId: int32(intfID), |
| OnuId: int32(onuID), |
| UniId: int32(uniID), |
| FlowId: logicalFlow.Id, |
| FlowType: Upstream, |
| AllocId: int32(flowContext.allocID), |
| NetworkIntfId: int32(networkIntfID), |
| GemportId: int32(flowContext.gemPortID), |
| Classifier: classifierProto, |
| Action: actionProto, |
| Priority: int32(logicalFlow.Priority), |
| Cookie: logicalFlow.Cookie, |
| PortNo: flowContext.portNo, |
| TechProfileId: flowContext.tpID, |
| ReplicateFlow: len(flowContext.pbitToGem) > 0, |
| PbitToGemport: flowContext.pbitToGem, |
| GemportToAes: flowContext.gemToAes, |
| } |
| |
| if err := f.addFlowToDevice(ctx, logicalFlow, &flow); err != nil { |
| return olterrors.NewErrFlowOp("add", logicalFlow.Id, log.Fields{"flow": flow, "device-id": f.deviceHandler.device.Id}, err).Log() |
| } |
| |
| return nil |
| } |
| |
| // Add EthType flow to device with mac, vlanId as classifier for upstream and downstream |
| func (f *OpenOltFlowMgr) addEthTypeBasedFlow(ctx context.Context, flowContext *flowContext, vlanID uint32, ethType uint32) error { |
| intfID := flowContext.intfID |
| onuID := flowContext.onuID |
| uniID := flowContext.uniID |
| portNo := flowContext.portNo |
| allocID := flowContext.allocID |
| gemPortID := flowContext.gemPortID |
| logicalFlow := flowContext.logicalFlow |
| classifier := flowContext.classifier |
| action := flowContext.action |
| |
| logger.Infow(ctx, "adding-ethType-flow-to-device", |
| log.Fields{ |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "port-no": portNo, |
| "alloc-id": allocID, |
| "gemport-id": gemPortID, |
| "vlan-id": vlanID, |
| "flow": logicalFlow, |
| "ethType": ethType}) |
| |
| uplinkClassifier := make(map[string]interface{}) |
| uplinkAction := make(map[string]interface{}) |
| |
| // Fill Classfier |
| uplinkClassifier[EthType] = ethType |
| uplinkClassifier[PacketTagType] = SingleTag |
| uplinkClassifier[VlanVid] = vlanID |
| uplinkClassifier[VlanPcp] = classifier[VlanPcp] |
| // Fill action |
| uplinkAction[TrapToHost] = true |
| present, err := f.resourceMgr.IsFlowOnKvStore(ctx, int32(onuID), logicalFlow.Id) |
| if present { |
| logger.Infow(ctx, "flow-exists-not-re-adding", log.Fields{ |
| "device-id": f.deviceHandler.device.Id, |
| "onu-id": onuID, |
| "intf-id": intfID, |
| "ethType": ethType}) |
| return nil |
| } else if err != nil { |
| logger.Errorw(ctx, "aborting-addEthTypeBasedFlow--flow-may-already-exist", |
| log.Fields{"intf-id": intfID, "onu-id": onuID, "flow-id": logicalFlow.Id}) |
| return err |
| } |
| //Add Uplink EthType Flow |
| logger.Debugw(ctx, "creating-ul-ethType-flow", |
| log.Fields{ |
| "ul_classifier": uplinkClassifier, |
| "ul_action": uplinkAction, |
| "uplinkFlowId": logicalFlow.Id, |
| "device-id": f.deviceHandler.device.Id, |
| "intf-id": intfID, |
| "onu-id": onuID}) |
| |
| classifierProto, err := makeOpenOltClassifierField(uplinkClassifier) |
| if err != nil { |
| return olterrors.NewErrInvalidValue(log.Fields{ |
| "classifier": uplinkClassifier, |
| "device-id": f.deviceHandler.device.Id}, err).Log() |
| } |
| logger.Debugw(ctx, "created-classifier-proto", |
| log.Fields{ |
| "classifier": *classifierProto, |
| "device-id": f.deviceHandler.device.Id}) |
| actionProto, err := makeOpenOltActionField(uplinkAction, uplinkClassifier) |
| if err != nil { |
| return olterrors.NewErrInvalidValue(log.Fields{"action": uplinkAction, "device-id": f.deviceHandler.device.Id}, err).Log() |
| } |
| logger.Debugw(ctx, "created-action-proto", |
| log.Fields{ |
| "action": *actionProto, |
| "device-id": f.deviceHandler.device.Id}) |
| networkIntfID, err := getNniIntfID(ctx, classifier, action) |
| if err != nil { |
| return olterrors.NewErrNotFound("nni-interface-id", log.Fields{ |
| "classifier": classifier, |
| "action": action, |
| "device-id": f.deviceHandler.device.Id}, |
| err).Log() |
| } |
| |
| upstreamFlow := openoltpb2.Flow{AccessIntfId: int32(intfID), |
| OnuId: int32(onuID), |
| UniId: int32(uniID), |
| FlowId: logicalFlow.Id, |
| FlowType: Upstream, |
| AllocId: int32(allocID), |
| NetworkIntfId: int32(networkIntfID), |
| GemportId: int32(gemPortID), |
| Classifier: classifierProto, |
| Action: actionProto, |
| Priority: int32(logicalFlow.Priority), |
| Cookie: logicalFlow.Cookie, |
| PortNo: portNo, |
| TechProfileId: flowContext.tpID, |
| ReplicateFlow: len(flowContext.pbitToGem) > 0, |
| PbitToGemport: flowContext.pbitToGem, |
| GemportToAes: flowContext.gemToAes, |
| } |
| if err := f.addFlowToDevice(ctx, logicalFlow, &upstreamFlow); err != nil { |
| return olterrors.NewErrFlowOp("add", logicalFlow.Id, log.Fields{"flow": upstreamFlow}, err).Log() |
| } |
| logger.Infow(ctx, "ethType-ul-flow-added-to-device-successfully", |
| log.Fields{ |
| "device-id": f.deviceHandler.device.Id, |
| "onu-id": onuID, |
| "intf-id": intfID, |
| "ethType": ethType, |
| }) |
| |
| return nil |
| } |
| |
| func makeOpenOltClassifierField(classifierInfo map[string]interface{}) (*openoltpb2.Classifier, error) { |
| var classifier openoltpb2.Classifier |
| |
| classifier.EthType, _ = classifierInfo[EthType].(uint32) |
| classifier.IpProto, _ = classifierInfo[IPProto].(uint32) |
| if vlanID, ok := classifierInfo[VlanVid].(uint32); ok { |
| if vlanID != ReservedVlan { |
| vid := vlanID & VlanvIDMask |
| classifier.OVid = vid |
| } |
| } |
| // The classifierInfo[Metadata] is set for the following flows |
| // - In the Downstream datapath flow table0 and table1. From the OLT perspective, only table0 downstream flow is relevant. |
| // - Mcast flow that points to a group in the treatment |
| // This value, when present and valid (not 0 and not 4096), is interpreted as below |
| // - inner vid for a double tagged packet in the datapath flow |
| // - outer vid for a single tagged packet in the datapath flow |
| // - inner vid in the mcast flow that points to a group |
| if metadata, ok := classifierInfo[Metadata].(uint64); ok { |
| vid := uint32(metadata) |
| // Set the OVid or IVid classifier based on the whether OLT is using a transparent tag or not |
| // If OLT is using transparent tag mechanism, then it classifies whatever tag it sees to/from ONU which |
| //is OVid from the perspective of the OLT. When OLT also places or pops the outer tag, then classifierInfo[Metadata] |
| // becomes the IVid. |
| if classifier.OVid != 0 && classifier.OVid != ReservedVlan { // This is case when classifier.OVid is not set |
| if vid != ReservedVlan { |
| classifier.IVid = vid |
| } |
| } else { |
| if vid != ReservedVlan { |
| classifier.OVid = vid |
| } |
| } |
| } |
| // Use VlanPCPMask (0xff) to signify NO PCP. Else use valid PCP (0 to 7) |
| if vlanPcp, ok := classifierInfo[VlanPcp].(uint32); ok { |
| classifier.OPbits = vlanPcp |
| } else { |
| classifier.OPbits = VlanPCPMask |
| } |
| classifier.SrcPort, _ = classifierInfo[UDPSrc].(uint32) |
| classifier.DstPort, _ = classifierInfo[UDPDst].(uint32) |
| classifier.DstIp, _ = classifierInfo[Ipv4Dst].(uint32) |
| classifier.SrcIp, _ = classifierInfo[Ipv4Src].(uint32) |
| classifier.DstMac, _ = classifierInfo[EthDst].([]uint8) |
| classifier.SrcMac, _ = classifierInfo[EthSrc].([]uint8) |
| if pktTagType, ok := classifierInfo[PacketTagType].(string); ok { |
| classifier.PktTagType = pktTagType |
| |
| switch pktTagType { |
| case SingleTag: |
| case DoubleTag: |
| case Untagged: |
| default: |
| return nil, olterrors.NewErrInvalidValue(log.Fields{"packet-tag-type": pktTagType}, nil) |
| } |
| } |
| return &classifier, nil |
| } |
| |
| func makeOpenOltActionField(actionInfo map[string]interface{}, classifierInfo map[string]interface{}) (*openoltpb2.Action, error) { |
| var actionCmd openoltpb2.ActionCmd |
| var action openoltpb2.Action |
| action.Cmd = &actionCmd |
| if _, ok := actionInfo[PopVlan]; ok { |
| // Pop outer vid |
| action.Cmd.RemoveOuterTag = true |
| if _, ok := actionInfo[VlanPcp]; ok { |
| // Remark inner pbit |
| action.Cmd.RemarkInnerPbits = true |
| action.IPbits = actionInfo[VlanPcp].(uint32) |
| if _, ok := actionInfo[VlanVid]; ok { |
| // Remark inner vid |
| action.Cmd.TranslateInnerTag = true |
| action.IVid = actionInfo[VlanVid].(uint32) |
| } |
| } |
| } else if _, ok := actionInfo[PushVlan]; ok { |
| // push outer vid |
| action.OVid = actionInfo[VlanVid].(uint32) |
| action.Cmd.AddOuterTag = true |
| if _, ok := actionInfo[VlanPcp]; ok { |
| // translate outer pbit |
| action.OPbits = actionInfo[VlanPcp].(uint32) |
| action.Cmd.RemarkOuterPbits = true |
| if _, ok := classifierInfo[VlanVid]; ok { |
| // translate inner vid |
| action.IVid = classifierInfo[VlanVid].(uint32) |
| action.Cmd.TranslateInnerTag = true |
| } |
| } |
| } else if _, ok := actionInfo[TrapToHost]; ok { |
| action.Cmd.TrapToHost = actionInfo[TrapToHost].(bool) |
| } else if _, ok := actionInfo[VlanVid]; ok { |
| // Translate outer vid |
| action.Cmd.TranslateOuterTag = true |
| action.OVid = actionInfo[VlanVid].(uint32) |
| } |
| // When OLT is transparent to vlans no-action is valid. |
| /* |
| else { |
| return nil, olterrors.NewErrInvalidValue(log.Fields{"action-command": actionInfo}, nil) |
| } |
| */ |
| return &action, nil |
| } |
| |
| // getTPpath return the ETCD path for a given UNI port |
| func (f *OpenOltFlowMgr) getTPpath(ctx context.Context, uniPath string, TpID uint32) string { |
| return f.techprofile.GetTechProfileInstanceKey(ctx, TpID, uniPath) |
| } |
| |
| // DeleteTechProfileInstances removes the tech profile instances from persistent storage |
| // We also force release scheduler and queues associated with the tp instance. Theoretically there could be |
| // an issue if the upstream scheduler (DBA) is shared across multiple UNI and we force release it, given that |
| // this function is only meant to clean up TP instances of a given UNI. But in practicality this routine |
| // is only meant to be called when the clean up of resource for the whole ONU is taking place. |
| // The reason for introducing the force cleanup of scheduler and queues (on the OLT) was introduced here |
| // because it was observed that if the ONU device was deleted too soon after the flows were |
| // unprovisioned on that ONU, the scheduler and queue removal pertinent to that ONU would remain |
| // uncleaned on the OLT. So we force clean up here and ignore any error that OLT returns during the |
| // force cleanup (possible if the OLT has already cleared those resources). |
| func (f *OpenOltFlowMgr) DeleteTechProfileInstances(ctx context.Context, intfID uint32, onuID uint32, uniID uint32) error { |
| tpIDList := f.resourceMgr.GetTechProfileIDForOnu(ctx, onuID, uniID) |
| uniPortName := getUniPortPath(f.deviceHandler.device.Id, intfID, int32(onuID), int32(uniID)) |
| |
| for _, tpID := range tpIDList { |
| |
| // Force cleanup scheduler/queues -- start |
| uniPortNum := plt.MkUniPortNum(ctx, intfID, onuID, uniID) |
| uni := getUniPortPath(f.deviceHandler.device.Id, intfID, int32(onuID), int32(uniID)) |
| tpPath := f.getTPpath(ctx, uni, tpID) |
| tpInst, err := f.techprofile.GetTPInstance(ctx, tpPath) |
| if err != nil || tpInst == nil { // This should not happen, something wrong in KV backend transaction |
| logger.Warnw(ctx, "tech-profile-not-in-kv-store", |
| log.Fields{ |
| "tp-id": tpID, |
| "path": tpPath}) |
| } |
| switch tpInstance := tpInst.(type) { |
| case *tp_pb.TechProfileInstance: |
| f.forceRemoveSchedulerQueues(ctx, schedQueue{direction: tp_pb.Direction_UPSTREAM, intfID: intfID, onuID: onuID, uniID: uniID, tpID: tpID, uniPort: uniPortNum, tpInst: tpInstance}) |
| f.forceRemoveSchedulerQueues(ctx, schedQueue{direction: tp_pb.Direction_DOWNSTREAM, intfID: intfID, onuID: onuID, uniID: uniID, tpID: tpID, uniPort: uniPortNum, tpInst: tpInstance}) |
| } |
| // Force cleanup scheduler/queues -- end |
| |
| // Now remove the tp instance |
| if err := f.DeleteTechProfileInstance(ctx, intfID, onuID, uniID, uniPortName, tpID); err != nil { |
| logger.Errorw(ctx, "delete-tech-profile-failed", log.Fields{"err": err, "device-id": f.deviceHandler.device.Id}) |
| // return err |
| // We should continue to delete tech-profile instances for other TP IDs |
| } |
| logger.Debugw(ctx, "tech-profile-instance-deleted", log.Fields{"device-id": f.deviceHandler.device.Id, "uniPortName": uniPortName, "tp-id": tpID}) |
| } |
| return nil |
| } |
| |
| // DeleteTechProfileInstance removes the tech profile instance from persistent storage |
| func (f *OpenOltFlowMgr) DeleteTechProfileInstance(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, uniPortName string, tpID uint32) error { |
| if uniPortName == "" { |
| uniPortName = getUniPortPath(f.deviceHandler.device.Id, intfID, int32(onuID), int32(uniID)) |
| } |
| if err := f.techprofile.DeleteTechProfileInstance(ctx, tpID, uniPortName); err != nil { |
| return olterrors.NewErrAdapter("failed-to-delete-tp-instance-from-kv-store", |
| log.Fields{ |
| "tp-id": tpID, |
| "uni-port-name": uniPortName, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| return nil |
| } |
| |
| func (f *OpenOltFlowMgr) addFlowToDevice(ctx context.Context, logicalFlow *ofp.OfpFlowStats, deviceFlow *openoltpb2.Flow) error { |
| |
| var intfID uint32 |
| /* For flows which trap out of the NNI, the AccessIntfId is invalid |
| (set to -1). In such cases, we need to refer to the NetworkIntfId . |
| */ |
| if deviceFlow.AccessIntfId != -1 { |
| intfID = uint32(deviceFlow.AccessIntfId) |
| } else { |
| // We need to log the valid interface ID. |
| // For trap-on-nni flows, the access_intf_id is invalid (-1), so choose the network_intf_id. |
| intfID = uint32(deviceFlow.NetworkIntfId) |
| } |
| |
| logger.Debugw(ctx, "sending-flow-to-device-via-grpc", log.Fields{ |
| "flow": *deviceFlow, |
| "device-id": f.deviceHandler.device.Id, |
| "intf-id": intfID}) |
| _, err := f.deviceHandler.Client.FlowAdd(log.WithSpanFromContext(context.Background(), ctx), deviceFlow) |
| |
| st, _ := status.FromError(err) |
| if st.Code() == codes.AlreadyExists { |
| logger.Debug(ctx, "flow-already-exists", log.Fields{ |
| "err": err, |
| "deviceFlow": deviceFlow, |
| "device-id": f.deviceHandler.device.Id, |
| "intf-id": intfID}) |
| return nil |
| } |
| |
| if err != nil { |
| logger.Errorw(ctx, "failed-to-add-flow-to-device", |
| log.Fields{"err": err, |
| "device-flow": deviceFlow, |
| "device-id": f.deviceHandler.device.Id, |
| "intf-id": intfID}) |
| return err |
| } |
| logger.Infow(ctx, "flow-added-to-device-successfully ", |
| log.Fields{ |
| "flow": *deviceFlow, |
| "device-id": f.deviceHandler.device.Id, |
| "intf-id": intfID}) |
| |
| if err := f.registerFlow(ctx, logicalFlow, deviceFlow); err != nil { |
| logger.Errorw(ctx, "failed-to-register-flow", log.Fields{"err": err}) |
| return err |
| } |
| return nil |
| } |
| |
| func (f *OpenOltFlowMgr) removeFlowFromDevice(ctx context.Context, deviceFlow *openoltpb2.Flow, ofFlowID uint64) error { |
| logger.Debugw(ctx, "sending-flow-to-device-via-grpc", |
| log.Fields{ |
| "flow": *deviceFlow, |
| "device-id": f.deviceHandler.device.Id}) |
| _, err := f.deviceHandler.Client.FlowRemove(log.WithSpanFromContext(context.Background(), ctx), deviceFlow) |
| if err != nil { |
| if f.deviceHandler.device.ConnectStatus == common.ConnectStatus_UNREACHABLE { |
| logger.Warnw(ctx, "can-not-remove-flow-from-device--unreachable", |
| log.Fields{ |
| "err": err, |
| "deviceFlow": deviceFlow, |
| "device-id": f.deviceHandler.device.Id}) |
| //Assume the flow is removed |
| return nil |
| } |
| return olterrors.NewErrFlowOp("remove", deviceFlow.FlowId, log.Fields{"deviceFlow": deviceFlow}, err) |
| |
| } |
| logger.Infow(ctx, "flow-removed-from-device-successfully", log.Fields{ |
| "of-flow-id": ofFlowID, |
| "flow": *deviceFlow, |
| "device-id": f.deviceHandler.device.Id, |
| }) |
| return nil |
| } |
| |
| func (f *OpenOltFlowMgr) addLLDPFlow(ctx context.Context, flow *ofp.OfpFlowStats, portNo uint32) error { |
| |
| classifierInfo := make(map[string]interface{}) |
| actionInfo := make(map[string]interface{}) |
| |
| classifierInfo[EthType] = uint32(LldpEthType) |
| classifierInfo[PacketTagType] = Untagged |
| actionInfo[TrapToHost] = true |
| |
| // LLDP flow is installed to trap LLDP packets on the NNI port. |
| // We manage flow_id resource pool on per PON port basis. |
| // Since this situation is tricky, as a hack, we pass the NNI port |
| // index (network_intf_id) as PON port Index for the flow_id resource |
| // pool. Also, there is no ONU Id available for trapping LLDP packets |
| // on NNI port, use onu_id as -1 (invalid) |
| // ****************** CAVEAT ******************* |
| // This logic works if the NNI Port Id falls within the same valid |
| // range of PON Port Ids. If this doesn't work for some OLT Vendor |
| // we need to have a re-look at this. |
| // ********************************************* |
| |
| var onuID = -1 |
| var uniID = -1 |
| var gemPortID = -1 |
| |
| networkInterfaceID, err := plt.IntfIDFromNniPortNum(ctx, portNo) |
| if err != nil { |
| return olterrors.NewErrInvalidValue(log.Fields{"nni-port-number": portNo}, err).Log() |
| } |
| present, err := f.resourceMgr.IsFlowOnKvStore(ctx, int32(onuID), flow.Id) |
| if present { |
| logger.Infow(ctx, "flow-exists--not-re-adding", log.Fields{"device-id": f.deviceHandler.device.Id}) |
| return nil |
| } else if err != nil { |
| logger.Errorw(ctx, "aborting-addLLDPFlow--flow-may-already-exist", |
| log.Fields{"intf-id": networkInterfaceID, "onu-id": onuID, "flow-id": flow.Id}) |
| return err |
| } |
| |
| classifierProto, err := makeOpenOltClassifierField(classifierInfo) |
| if err != nil { |
| return olterrors.NewErrInvalidValue( |
| log.Fields{ |
| "classifier": classifierInfo, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| logger.Debugw(ctx, "created-classifier-proto", |
| log.Fields{ |
| "classifier": *classifierProto, |
| "device-id": f.deviceHandler.device.Id}) |
| actionProto, err := makeOpenOltActionField(actionInfo, classifierInfo) |
| if err != nil { |
| return olterrors.NewErrInvalidValue( |
| log.Fields{ |
| "action": actionInfo, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| logger.Debugw(ctx, "created-action-proto", |
| log.Fields{ |
| "action": *actionProto, |
| "device-id": f.deviceHandler.device.Id}) |
| |
| downstreamflow := openoltpb2.Flow{AccessIntfId: int32(-1), // AccessIntfId not required |
| OnuId: int32(onuID), // OnuId not required |
| UniId: int32(uniID), // UniId not used |
| FlowId: flow.Id, |
| FlowType: Downstream, |
| NetworkIntfId: int32(networkInterfaceID), |
| GemportId: int32(gemPortID), |
| Classifier: classifierProto, |
| Action: actionProto, |
| Priority: int32(flow.Priority), |
| Cookie: flow.Cookie, |
| PortNo: portNo} |
| if err := f.addFlowToDevice(ctx, flow, &downstreamflow); err != nil { |
| return olterrors.NewErrFlowOp("add", flow.Id, |
| log.Fields{ |
| "flow": downstreamflow, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| logger.Infow(ctx, "lldp-trap-on-nni-flow-added-to-device-successfully", |
| log.Fields{ |
| "device-id": f.deviceHandler.device.Id, |
| "onu-id": onuID, |
| "flow-id": flow.Id}) |
| |
| return nil |
| } |
| |
| func getUniPortPath(oltID string, intfID uint32, onuID int32, uniID int32) string { |
| return fmt.Sprintf("olt-{%s}/pon-{%d}/onu-{%d}/uni-{%d}", oltID, intfID, onuID, uniID) |
| } |
| |
| // getOnuDevice to fetch onu from cache or core. |
| func (f *OpenOltFlowMgr) getOnuDevice(ctx context.Context, intfID uint32, onuID uint32) (*OnuDevice, error) { |
| onuKey := f.deviceHandler.formOnuKey(intfID, onuID) |
| onuDev, ok := f.deviceHandler.onus.Load(onuKey) |
| if !ok { |
| logger.Debugw(ctx, "couldnt-find-onu-in-cache", |
| log.Fields{ |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "device-id": f.deviceHandler.device.Id}) |
| onuDevice, err := f.getChildDevice(ctx, intfID, onuID) |
| if err != nil { |
| return nil, olterrors.NewErrNotFound("onu-child-device", |
| log.Fields{ |
| "onu-id": onuID, |
| "intf-id": intfID, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| onuDev = NewOnuDevice(onuDevice.Id, onuDevice.Type, onuDevice.SerialNumber, onuDevice.ProxyAddress.OnuId, onuDevice.ProxyAddress.ChannelId, onuDevice.ProxyAddress.DeviceId, false, onuDevice.AdapterEndpoint) |
| //better to ad the device to cache here. |
| f.deviceHandler.StoreOnuDevice(onuDev.(*OnuDevice)) |
| } else { |
| logger.Debugw(ctx, "found-onu-in-cache", |
| log.Fields{ |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "device-id": f.deviceHandler.device.Id}) |
| } |
| |
| return onuDev.(*OnuDevice), nil |
| } |
| |
| // getChildDevice to fetch onu |
| func (f *OpenOltFlowMgr) getChildDevice(ctx context.Context, intfID uint32, onuID uint32) (*voltha.Device, error) { |
| logger.Infow(ctx, "GetChildDevice", |
| log.Fields{ |
| "pon-port": intfID, |
| "onu-id": onuID, |
| "device-id": f.deviceHandler.device.Id}) |
| parentPortNo := plt.IntfIDToPortNo(intfID, voltha.Port_PON_OLT) |
| onuDevice, err := f.deviceHandler.GetChildDevice(ctx, parentPortNo, onuID) |
| if err != nil { |
| return nil, olterrors.NewErrNotFound("onu", |
| log.Fields{ |
| "interface-id": parentPortNo, |
| "onu-id": onuID, |
| "device-id": f.deviceHandler.device.Id}, |
| err) |
| } |
| logger.Infow(ctx, "successfully-received-child-device-from-core", |
| log.Fields{ |
| "device-id": f.deviceHandler.device.Id, |
| "child_device_id": onuDevice.Id, |
| "child_device_sn": onuDevice.SerialNumber}) |
| return onuDevice, nil |
| } |
| |
| func (f *OpenOltFlowMgr) sendDeleteGemPortToChild(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, gemPortID uint32, tpPath string) error { |
| onuDev, err := f.getOnuDevice(ctx, intfID, onuID) |
| if err != nil { |
| logger.Debugw(ctx, "couldnt-find-onu-child-device", |
| log.Fields{ |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "device-id": f.deviceHandler.device.Id}) |
| return err |
| } |
| |
| delGemPortMsg := &ia.DeleteGemPortMessage{ |
| DeviceId: onuDev.deviceID, |
| UniId: uniID, |
| TpInstancePath: tpPath, |
| GemPortId: gemPortID, |
| } |
| logger.Debugw(ctx, "sending-gem-port-delete-to-openonu-adapter", log.Fields{"msg": *delGemPortMsg, "child-device-id": onuDev.deviceID}) |
| |
| if err := f.deviceHandler.sendDeleteGemPortToChildAdapter(ctx, onuDev.adapterEndpoint, delGemPortMsg); err != nil { |
| return olterrors.NewErrCommunication("send-delete-gem-port-to-onu-adapter", |
| log.Fields{ |
| "from-adapter": f.deviceHandler.openOLT.config.AdapterEndpoint, |
| "to-adapter": onuDev.adapterEndpoint, |
| "onu-id": onuDev.deviceID, |
| "proxyDeviceID": onuDev.proxyDeviceID, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| |
| logger.Infow(ctx, "success-sending-del-gem-port-to-onu-adapter", |
| log.Fields{ |
| "msg": delGemPortMsg, |
| "from-adapter": f.deviceHandler.device.Type, |
| "to-adapter": onuDev.deviceType, |
| "device-id": f.deviceHandler.device.Id, |
| "child-device-id": onuDev.deviceID}) |
| return nil |
| } |
| |
| func (f *OpenOltFlowMgr) sendDeleteTcontToChild(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, allocID uint32, tpPath string) error { |
| onuDev, err := f.getOnuDevice(ctx, intfID, onuID) |
| if err != nil { |
| logger.Warnw(ctx, "couldnt-find-onu-child-device", |
| log.Fields{ |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "device-id": f.deviceHandler.device.Id}) |
| return err |
| } |
| |
| delTcontMsg := &ia.DeleteTcontMessage{ |
| DeviceId: onuDev.deviceID, |
| UniId: uniID, |
| TpInstancePath: tpPath, |
| AllocId: allocID, |
| } |
| |
| logger.Debugw(ctx, "sending-tcont-delete-to-openonu-adapter", |
| log.Fields{ |
| "msg": *delTcontMsg, |
| "device-id": f.deviceHandler.device.Id}) |
| |
| if err := f.deviceHandler.sendDeleteTContToChildAdapter(ctx, onuDev.adapterEndpoint, delTcontMsg); err != nil { |
| return olterrors.NewErrCommunication("send-delete-tcont-to-onu-adapter", |
| log.Fields{ |
| "from-adapter": f.deviceHandler.openOLT.config.AdapterEndpoint, |
| "to-adapter": onuDev.adapterEndpoint, |
| "onu-id": onuDev.deviceID, |
| "proxyDeviceID": onuDev.proxyDeviceID, |
| "device-id": f.deviceHandler.device.Id}, err) |
| |
| } |
| logger.Infow(ctx, "success-sending-del-tcont-to-onu-adapter", |
| log.Fields{ |
| "msg": delTcontMsg, |
| "device-id": f.deviceHandler.device.Id, |
| "child-device-id": onuDev.deviceID}) |
| return nil |
| } |
| |
| // clearResources clears pon resources in kv store and the device |
| // nolint: gocyclo |
| func (f *OpenOltFlowMgr) clearResources(ctx context.Context, intfID uint32, onuID int32, uniID int32, |
| flowID uint64, portNum uint32, tpID uint32, sendDeleteGemRequest bool) error { |
| |
| logger.Debugw(ctx, "clearing-resources", log.Fields{"intfID": intfID, "onuID": onuID, "uniID": uniID, "tpID": tpID}) |
| |
| uni := getUniPortPath(f.deviceHandler.device.Id, intfID, onuID, uniID) |
| tpPath := f.getTPpath(ctx, uni, tpID) |
| logger.Debugw(ctx, "getting-techprofile-instance-for-subscriber", |
| log.Fields{ |
| "tpPath": tpPath, |
| "device-id": f.deviceHandler.device.Id}) |
| |
| techprofileInst, err := f.techprofile.GetTPInstance(ctx, tpPath) |
| if err != nil || techprofileInst == nil { |
| // The child device is possibly deleted which in turn had cleaned up all the resources (including tp instances), check.. |
| childDevice, _ := f.getChildDevice(ctx, intfID, uint32(onuID)) // do not care about the error code |
| if childDevice == nil { |
| // happens when subscriber un-provision is immediately followed by child device delete |
| // before all the flow removes are processed, the child device delete has already arrived and cleaned up all the resources |
| logger.Warnw(ctx, "child device and its associated resources are already cleared", log.Fields{"intfID": intfID, "onuID": onuID, "uniID": uniID}) |
| return nil |
| } |
| // If the tech profile is not found, since we want to delete it, there is no need to throw an error |
| _ = olterrors.NewErrNotFound("tech-profile-in-kv-store", |
| log.Fields{ |
| "tp-id": tpID, |
| "path": tpPath}, err).Log() |
| return nil |
| } |
| |
| var allGemPortsFree = true |
| switch techprofileInst := techprofileInst.(type) { |
| case *tp_pb.TechProfileInstance: |
| for _, gemPort := range techprofileInst.UpstreamGemPortAttributeList { |
| gemPortID := gemPort.GemportId |
| flowIDs, err := f.resourceMgr.GetFlowIDsForGem(ctx, gemPortID) |
| if err != nil { |
| return err |
| } |
| used := false |
| for _, id := range flowIDs { |
| if flowID != id { |
| used = true |
| break |
| } |
| } |
| if used { |
| for i, flowIDinMap := range flowIDs { |
| if flowIDinMap == flowID { |
| flowIDs = append(flowIDs[:i], flowIDs[i+1:]...) |
| if err := f.resourceMgr.UpdateFlowIDsForGem(ctx, gemPortID, flowIDs); err != nil { |
| return err |
| } |
| break |
| } |
| } |
| logger.Debugw(ctx, "gem-port-id-is-still-used-by-other-flows", |
| log.Fields{ |
| "gemport-id": gemPortID, |
| "usedByFlows": flowIDs, |
| "currentFlow": flowID, |
| "device-id": f.deviceHandler.device.Id}) |
| allGemPortsFree = false |
| } |
| } |
| if !allGemPortsFree { |
| return nil |
| } |
| } |
| |
| logger.Debugw(ctx, "all-gem-ports-are-free-to-be-deleted", log.Fields{"intfID": intfID, "onuID": onuID, "uniID": uniID, "tpID": tpID}) |
| |
| // Free TPInstance, TPID, GemPorts and Traffic Queues. AllocID and Schedulers will be cleared later only if they are not shared across all the UNIs |
| switch techprofileInst := techprofileInst.(type) { |
| case *tp_pb.TechProfileInstance: |
| for _, gemPort := range techprofileInst.UpstreamGemPortAttributeList { |
| gemPortID := gemPort.GemportId |
| _ = f.resourceMgr.RemoveGemFromOnuGemInfo(ctx, uint32(onuID), gemPortID) // ignore error and proceed. |
| |
| if err := f.resourceMgr.DeleteFlowIDsForGem(ctx, gemPortID); err != nil { |
| logger.Errorw(ctx, "error-removing-flow-ids-of-gem-port", |
| log.Fields{ |
| "err": err, |
| "intf": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "device-id": f.deviceHandler.device.Id, |
| "gemport-id": gemPortID}) |
| } |
| |
| } |
| // Remove queues at OLT in upstream and downstream direction |
| schedQueue := schedQueue{direction: tp_pb.Direction_UPSTREAM, intfID: intfID, onuID: uint32(onuID), uniID: uint32(uniID), tpID: tpID, uniPort: portNum, tpInst: techprofileInst} |
| if err := f.RemoveQueues(ctx, schedQueue); err != nil { |
| logger.Warn(ctx, err) |
| } |
| schedQueue.direction = tp_pb.Direction_DOWNSTREAM |
| if err := f.RemoveQueues(ctx, schedQueue); err != nil { |
| logger.Warn(ctx, err) |
| } |
| } |
| |
| switch techprofileInst := techprofileInst.(type) { |
| case *tp_pb.TechProfileInstance: |
| // Proceed to free allocid and cleanup schedulers (US/DS) if no other references are found for this TP across all the UNIs on the ONU |
| schedQueue := schedQueue{direction: tp_pb.Direction_UPSTREAM, intfID: intfID, onuID: uint32(onuID), uniID: uint32(uniID), tpID: tpID, uniPort: portNum, tpInst: techprofileInst} |
| allocExists := f.isAllocUsedByAnotherUNI(ctx, schedQueue) |
| if !allocExists { |
| // all alloc object references removed, remove upstream scheduler |
| if KvStoreMeter, _ := f.resourceMgr.GetMeterInfoForOnu(ctx, "upstream", uint32(onuID), uint32(uniID), tpID); KvStoreMeter != nil { |
| if err := f.RemoveScheduler(ctx, schedQueue); err != nil { |
| logger.Warn(ctx, err) |
| } |
| } |
| // remove alloc id from resource pool by setting the 'freeFromResourcePool' to true |
| f.resourceMgr.FreeAllocID(ctx, uint32(onuID), uint32(uniID), techprofileInst.UsScheduler.AllocId, true) |
| } else { |
| // just remove meter reference for the upstream direction for the current pon/onu/uni |
| // The upstream scheduler, alloc id and meter-reference for the last remaining pon/onu/uni will be removed when no other alloc references that TP |
| if err := f.removeMeterReference(ctx, "upstream", schedQueue); err != nil { |
| return err |
| } |
| // setting 'freeFromResourcePool' to false in resourceMgr.FreeAllocID will only remove alloc-id data for the given pon/onu/uni |
| // but still preserve it on the resource pool. |
| f.resourceMgr.FreeAllocID(ctx, uint32(onuID), uint32(uniID), techprofileInst.UsScheduler.AllocId, false) |
| } |
| |
| // Downstream scheduler removal is simple, just invoke RemoveScheduler without all the complex handling we do for the alloc object. |
| schedQueue.direction = tp_pb.Direction_DOWNSTREAM |
| if KvStoreMeter, _ := f.resourceMgr.GetMeterInfoForOnu(ctx, "downstream", uint32(onuID), uint32(uniID), tpID); KvStoreMeter != nil { |
| if err := f.RemoveScheduler(ctx, schedQueue); err != nil { |
| logger.Warn(ctx, err) |
| } |
| } |
| case *tp_pb.EponTechProfileInstance: |
| // Delete the TCONT on the ONU. |
| if err := f.sendDeleteTcontToChild(ctx, intfID, uint32(onuID), uint32(uniID), techprofileInst.AllocId, tpPath); err != nil { |
| logger.Errorw(ctx, "error-processing-delete-tcont-towards-onu", |
| log.Fields{ |
| "intf": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "device-id": f.deviceHandler.device.Id, |
| "alloc-id": techprofileInst.AllocId, |
| "error": err}) |
| } |
| f.resourceMgr.FreeAllocID(ctx, uint32(onuID), uint32(uniID), techprofileInst.AllocId, true) |
| if err := f.resourceMgr.RemoveTechProfileIDForOnu(ctx, uint32(onuID), uint32(uniID), tpID); err != nil { |
| logger.Warn(ctx, err) |
| } |
| if err := f.DeleteTechProfileInstance(ctx, intfID, uint32(onuID), uint32(uniID), "", tpID); err != nil { |
| logger.Warn(ctx, err) |
| } |
| default: |
| logger.Errorw(ctx, "error-unknown-tech", |
| log.Fields{ |
| "techprofileInst": techprofileInst}) |
| } |
| |
| // Free TPInstance, TPID, GemPorts and Traffic Queues. AllocID and Schedulers will be cleared later only if they are not shared across all the UNIs |
| switch techprofileInst := techprofileInst.(type) { |
| case *tp_pb.TechProfileInstance: |
| for _, gemPort := range techprofileInst.UpstreamGemPortAttributeList { |
| // Delete the gem port on the ONU. |
| if sendDeleteGemRequest { |
| if err := f.sendDeleteGemPortToChild(ctx, intfID, uint32(onuID), uint32(uniID), gemPort.GemportId, tpPath); err != nil { |
| logger.Errorw(ctx, "error-processing-delete-gem-port-towards-onu", |
| log.Fields{ |
| "err": err, |
| "intfID": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "device-id": f.deviceHandler.device.Id, |
| "gemport-id": gemPort.GemportId}) |
| } |
| f.resourceMgr.FreeGemPortID(ctx, uint32(onuID), uint32(uniID), gemPort.GemportId) |
| } |
| } |
| //Delete the tp instance and the techprofileid for onu at the end |
| if err := f.DeleteTechProfileInstance(ctx, intfID, uint32(onuID), uint32(uniID), "", tpID); err != nil { |
| logger.Warn(ctx, err) |
| } |
| if err := f.resourceMgr.RemoveTechProfileIDForOnu(ctx, uint32(onuID), uint32(uniID), tpID); err != nil { |
| logger.Warn(ctx, err) |
| } |
| } |
| |
| return nil |
| } |
| |
| // nolint: gocyclo |
| func (f *OpenOltFlowMgr) clearFlowFromDeviceAndResourceManager(ctx context.Context, flow *ofp.OfpFlowStats, flowDirection string) error { |
| logger.Infow(ctx, "clear-flow-from-resource-manager", |
| log.Fields{ |
| "flowDirection": flowDirection, |
| "flow": *flow, |
| "device-id": f.deviceHandler.device.Id}) |
| |
| if flowDirection == Multicast { |
| return f.clearMulticastFlowFromResourceManager(ctx, flow) |
| } |
| |
| var ethType, ipProto, inPort uint32 |
| for _, field := range flows.GetOfbFields(flow) { |
| if field.Type == flows.IP_PROTO { |
| ipProto = field.GetIpProto() |
| logger.Debugw(ctx, "field-type-ip-proto", log.Fields{"ipProto": ipProto}) |
| } else if field.Type == flows.ETH_TYPE { |
| ethType = field.GetEthType() |
| logger.Debugw(ctx, "field-type-eth-type", log.Fields{"ethType": ethType}) |
| } else if field.Type == flows.IN_PORT { |
| inPort = field.GetPort() |
| logger.Debugw(ctx, "field-type-in-port", log.Fields{"inPort": inPort}) |
| } |
| } |
| portType := plt.IntfIDToPortTypeName(inPort) |
| if (ethType == uint32(LldpEthType) || ipProto == uint32(IPProtoDhcp) || ipProto == uint32(IgmpProto)) && |
| (portType == voltha.Port_ETHERNET_NNI) { |
| removeFlowMessage := openoltpb2.Flow{FlowId: flow.Id, AccessIntfId: -1, OnuId: -1, UniId: -1, TechProfileId: 0, FlowType: Downstream} |
| logger.Debugw(ctx, "nni-trap-flow-to-be-deleted", log.Fields{"flow": flow}) |
| return f.removeFlowFromDevice(ctx, &removeFlowMessage, flow.Id) |
| // No more processing needed for trap from nni flows. |
| } |
| |
| portNum, Intf, onu, uni, _, _, err := plt.FlowExtractInfo(ctx, flow, flowDirection) |
| if err != nil { |
| logger.Error(ctx, err) |
| return err |
| } |
| onuID := int32(onu) |
| uniID := int32(uni) |
| tpID, err := getTpIDFromFlow(ctx, flow) |
| if err != nil { |
| return olterrors.NewErrNotFound("tp-id", |
| log.Fields{ |
| "flow": flow, |
| "intf-id": Intf, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| |
| logger.Infow(ctx, "extracted-access-info-from-flow-to-be-deleted", |
| log.Fields{ |
| "flow-id": flow.Id, |
| "intf-id": Intf, |
| "onu-id": onuID, |
| "uni-id": uniID}) |
| |
| removeFlowMessage := openoltpb2.Flow{FlowId: flow.Id, AccessIntfId: int32(Intf), OnuId: onuID, UniId: uniID, TechProfileId: tpID, FlowType: flowDirection} |
| logger.Debugw(ctx, "flow-to-be-deleted", log.Fields{"flow": flow}) |
| if err = f.removeFlowFromDevice(ctx, &removeFlowMessage, flow.Id); err != nil { |
| return err |
| } |
| |
| if err = f.clearResources(ctx, Intf, onuID, uniID, flow.Id, portNum, tpID, true); err != nil { |
| logger.Errorw(ctx, "failed-to-clear-resources-for-flow", log.Fields{ |
| "flow-id": flow.Id, |
| "device-id": f.deviceHandler.device.Id, |
| "onu-id": onuID, |
| "intf": Intf, |
| "err": err, |
| }) |
| return err |
| } |
| |
| // Decrement reference count for the meter associated with the given <(pon_id, onu_id, uni_id)>/<tp_id>/meter_id/<direction> |
| if err := f.resourceMgr.HandleMeterInfoRefCntUpdate(ctx, flowDirection, uint32(onuID), uint32(uniID), tpID, false); err != nil { |
| return err |
| } |
| return nil |
| } |
| |
| // RemoveFlow removes the flow from the device |
| func (f *OpenOltFlowMgr) RemoveFlow(ctx context.Context, flow *ofp.OfpFlowStats) error { |
| |
| logger.Infow(ctx, "removing-flow", log.Fields{"flow": *flow}) |
| var direction string |
| actionInfo := make(map[string]interface{}) |
| |
| for _, action := range flows.GetActions(flow) { |
| if action.Type == flows.OUTPUT { |
| if out := action.GetOutput(); out != nil { |
| actionInfo[Output] = out.GetPort() |
| logger.Debugw(ctx, "action-type-output", log.Fields{"out_port": actionInfo[Output].(uint32)}) |
| } else { |
| logger.Error(ctx, "invalid-output-port-in-action") |
| return olterrors.NewErrInvalidValue(log.Fields{"invalid-out-port-action": 0}, nil) |
| } |
| } |
| } |
| |
| if flows.HasGroup(flow) { |
| direction = Multicast |
| return f.clearFlowFromDeviceAndResourceManager(ctx, flow, direction) |
| } else if plt.IsUpstream(actionInfo[Output].(uint32)) { |
| direction = Upstream |
| } else { |
| direction = Downstream |
| } |
| |
| // Serialize flow removes on a per subscriber basis |
| err := f.clearFlowFromDeviceAndResourceManager(ctx, flow, direction) |
| |
| return err |
| } |
| |
| // isIgmpTrapDownstreamFlow return true if the flow is a downsteam IGMP trap-to-host flow; false otherwise |
| func isIgmpTrapDownstreamFlow(classifierInfo map[string]interface{}) bool { |
| if portType := plt.IntfIDToPortTypeName(classifierInfo[InPort].(uint32)); portType == voltha.Port_ETHERNET_NNI { |
| if ethType, ok := classifierInfo[EthType]; ok { |
| if ethType.(uint32) == IPv4EthType { |
| if ipProto, ok := classifierInfo[IPProto]; ok { |
| if ipProto.(uint32) == IgmpProto { |
| return true |
| } |
| } |
| } |
| } |
| } |
| return false |
| } |
| |
| // RouteFlowToOnuChannel routes incoming flow to ONU specific channel |
| func (f *OpenOltFlowMgr) RouteFlowToOnuChannel(ctx context.Context, flow *ofp.OfpFlowStats, addFlow bool, flowMetadata *ofp.FlowMetadata) error { |
| if f.deviceHandler.getDeviceDeletionInProgressFlag() { |
| // The device itself is going to be reset as part of deletion. So nothing to be done. |
| logger.Infow(ctx, "device-deletion-in-progress--not-handling-flows-or-groups", log.Fields{"device-id": f.deviceHandler.device.Id}) |
| return nil |
| } |
| // Step1 : Fill flowControlBlock |
| // Step2 : Push the flowControlBlock to ONU channel |
| // Step3 : Wait on response channel for response |
| // Step4 : Return error value |
| startTime := time.Now() |
| logger.Infow(ctx, "process-flow", log.Fields{"flow": flow, "addFlow": addFlow}) |
| errChan := make(chan error) |
| flowCb := flowControlBlock{ |
| ctx: ctx, |
| addFlow: addFlow, |
| flow: flow, |
| flowMetadata: flowMetadata, |
| errChan: &errChan, |
| } |
| inPort, outPort := getPorts(flow) |
| var onuID uint32 |
| if inPort != InvalidPort && outPort != InvalidPort { |
| _, _, onuID, _ = plt.ExtractAccessFromFlow(inPort, outPort) |
| } |
| if f.flowHandlerRoutineActive[onuID] { |
| // inPort or outPort is InvalidPort for trap-from-nni flows. |
| // In the that case onuID is 0 which is the reserved index for trap-from-nni flows in the f.incomingFlows slice |
| // Send the flowCb on the ONU flow channel |
| f.incomingFlows[onuID] <- flowCb |
| // Wait on the channel for flow handlers return value |
| err := <-errChan |
| logger.Infow(ctx, "process-flow-received-resp", log.Fields{"err": err, "totalTimeSeconds": time.Since(startTime).Seconds()}) |
| return err |
| } |
| logger.Errorw(ctx, "flow handler routine not active for onu", log.Fields{"onuID": onuID, "ponPortIdx": f.ponPortIdx}) |
| return fmt.Errorf("flow-handler-routine-not-active-for-onu-%v-pon-%d", onuID, f.ponPortIdx) |
| } |
| |
| // This routine is unique per ONU ID and blocks on flowControlBlock channel for incoming flows |
| // Each incoming flow is processed in a synchronous manner, i.e., the flow is processed to completion before picking another |
| func (f *OpenOltFlowMgr) perOnuFlowHandlerRoutine(handlerRoutineIndex int, subscriberFlowChannel chan flowControlBlock, stopHandler chan bool) { |
| var flowCb flowControlBlock |
| for { |
| select { |
| // block on the channel to receive an incoming flow |
| // process the flow completely before proceeding to handle the next flow |
| case flowCb = <-subscriberFlowChannel: |
| if flowCb.addFlow { |
| logger.Info(flowCb.ctx, "adding-flow-start") |
| startTime := time.Now() |
| err := f.AddFlow(flowCb.ctx, flowCb.flow, flowCb.flowMetadata) |
| logger.Infow(flowCb.ctx, "adding-flow-complete", log.Fields{"processTimeSecs": time.Since(startTime).Seconds()}) |
| // Pass the return value over the return channel |
| *flowCb.errChan <- err |
| } else { |
| logger.Info(flowCb.ctx, "removing-flow-start") |
| startTime := time.Now() |
| err := f.RemoveFlow(flowCb.ctx, flowCb.flow) |
| logger.Infow(flowCb.ctx, "removing-flow-complete", log.Fields{"processTimeSecs": time.Since(startTime).Seconds()}) |
| // Pass the return value over the return channel |
| *flowCb.errChan <- err |
| } |
| case <-stopHandler: |
| f.flowHandlerRoutineActive[handlerRoutineIndex] = false |
| return |
| } |
| } |
| } |
| |
| // StopAllFlowHandlerRoutines stops all flow handler routines. Call this when device is being rebooted or deleted |
| func (f *OpenOltFlowMgr) StopAllFlowHandlerRoutines(ctx context.Context, wg *sync.WaitGroup) { |
| for i, v := range f.stopFlowHandlerRoutine { |
| if f.flowHandlerRoutineActive[i] { |
| select { |
| case v <- true: |
| case <-time.After(time.Second * 5): |
| logger.Warnw(ctx, "timeout stopping flow handler routine", log.Fields{"onuID": i, "deviceID": f.deviceHandler.device.Id}) |
| } |
| } |
| f.stopFlowHandlerRoutine[i] = nil |
| } |
| f.stopFlowHandlerRoutine = nil |
| |
| if f.incomingFlows != nil { |
| for k := range f.incomingFlows { |
| if f.incomingFlows[k] != nil { |
| f.incomingFlows[k] = nil |
| } |
| } |
| f.incomingFlows = nil |
| } |
| |
| wg.Done() |
| logger.Debugw(ctx, "stopped all flow handler routines", log.Fields{"ponPortIdx": f.ponPortIdx}) |
| } |
| |
| // AddFlow add flow to device |
| // nolint: gocyclo |
| func (f *OpenOltFlowMgr) AddFlow(ctx context.Context, flow *ofp.OfpFlowStats, flowMetadata *ofp.FlowMetadata) error { |
| classifierInfo := make(map[string]interface{}) |
| actionInfo := make(map[string]interface{}) |
| var UsMeterID uint32 |
| var DsMeterID uint32 |
| |
| logger.Infow(ctx, "adding-flow", |
| log.Fields{ |
| "flow": flow, |
| "flowmetadata": flowMetadata}) |
| formulateClassifierInfoFromFlow(ctx, classifierInfo, flow) |
| |
| err := formulateActionInfoFromFlow(ctx, actionInfo, classifierInfo, flow) |
| if err != nil { |
| // Error logging is already done in the called function |
| // So just return in case of error |
| return err |
| } |
| |
| if flows.HasGroup(flow) { |
| // handle multicast flow |
| return f.handleFlowWithGroup(ctx, actionInfo, classifierInfo, flow) |
| } |
| |
| /* Controller bound trap flows */ |
| err = formulateControllerBoundTrapFlowInfo(ctx, actionInfo, classifierInfo, flow) |
| if err != nil { |
| // error if any, already logged in the called function |
| return err |
| } |
| |
| logger.Debugw(ctx, "flow-ports", |
| log.Fields{ |
| "classifierinfo_inport": classifierInfo[InPort], |
| "action_output": actionInfo[Output]}) |
| portNo, intfID, onuID, uniID := plt.ExtractAccessFromFlow(classifierInfo[InPort].(uint32), actionInfo[Output].(uint32)) |
| |
| if ethType, ok := classifierInfo[EthType]; ok { |
| if ethType.(uint32) == LldpEthType { |
| logger.Info(ctx, "adding-lldp-flow") |
| return f.addLLDPFlow(ctx, flow, portNo) |
| } |
| if ethType.(uint32) == PPPoEDEthType { |
| if voltha.Port_ETHERNET_NNI == plt.IntfIDToPortTypeName(classifierInfo[InPort].(uint32)) { |
| logger.Debug(ctx, "trap-pppoed-from-nni-flow") |
| return f.addTrapFlowOnNNI(ctx, flow, classifierInfo, portNo) |
| } |
| } |
| } |
| if ipProto, ok := classifierInfo[IPProto]; ok { |
| if ipProto.(uint32) == IPProtoDhcp { |
| if udpSrc, ok := classifierInfo[UDPSrc]; ok { |
| if udpSrc.(uint32) == uint32(67) || udpSrc.(uint32) == uint32(546) { |
| logger.Debug(ctx, "trap-dhcp-from-nni-flow") |
| return f.addTrapFlowOnNNI(ctx, flow, classifierInfo, portNo) |
| } |
| } |
| } |
| } |
| if isIgmpTrapDownstreamFlow(classifierInfo) { |
| logger.Debug(ctx, "trap-igmp-from-nni-flow") |
| return f.addIgmpTrapFlowOnNNI(ctx, flow, classifierInfo, portNo) |
| } |
| |
| f.resourceMgr.AddUniPortToOnuInfo(ctx, onuID, portNo) |
| |
| tpID, err := getTpIDFromFlow(ctx, flow) |
| if err != nil { |
| return olterrors.NewErrNotFound("tpid-for-flow", |
| log.Fields{ |
| "flow": flow, |
| "intf-id": IntfID, |
| "onu-id": onuID, |
| "uni-id": uniID}, err) |
| } |
| logger.Debugw(ctx, "tpid-for-this-subcriber", |
| log.Fields{ |
| "tp-id": tpID, |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID}) |
| if plt.IsUpstream(actionInfo[Output].(uint32)) { |
| UsMeterID = flows.GetMeterIdFromFlow(flow) |
| logger.Debugw(ctx, "upstream-flow-meter-id", log.Fields{"us-meter-id": UsMeterID}) |
| if err := f.validateMeter(ctx, Upstream, UsMeterID, intfID, onuID, uniID, tpID); err != nil { |
| logger.Errorw(ctx, "meter-validation-failed", log.Fields{"err": err}) |
| return err |
| } |
| } else { |
| DsMeterID = flows.GetMeterIdFromFlow(flow) |
| logger.Debugw(ctx, "downstream-flow-meter-id", log.Fields{"ds-meter-id": DsMeterID}) |
| if err := f.validateMeter(ctx, Downstream, DsMeterID, intfID, onuID, uniID, tpID); err != nil { |
| logger.Errorw(ctx, "meter-validation-failed", log.Fields{"err": err}) |
| return err |
| } |
| } |
| return f.processAddFlow(ctx, intfID, onuID, uniID, portNo, classifierInfo, actionInfo, flow, tpID, UsMeterID, DsMeterID, flowMetadata) |
| } |
| |
| // handleFlowWithGroup adds multicast flow to the device. |
| func (f *OpenOltFlowMgr) handleFlowWithGroup(ctx context.Context, actionInfo, classifierInfo map[string]interface{}, flow *ofp.OfpFlowStats) error { |
| classifierInfo[PacketTagType] = getPacketTypeFromClassifiers(classifierInfo) |
| logger.Debugw(ctx, "add-multicast-flow", log.Fields{ |
| "classifier-info": classifierInfo, |
| "actionInfo": actionInfo}) |
| |
| networkInterfaceID, err := f.getNNIInterfaceIDOfMulticastFlow(ctx, classifierInfo) |
| if err != nil { |
| return olterrors.NewErrNotFound("multicast-in-port", log.Fields{"classifier": classifierInfo}, err) |
| } |
| |
| delete(classifierInfo, EthType) |
| |
| onuID := NoneOnuID |
| |
| present, err := f.resourceMgr.IsFlowOnKvStore(ctx, int32(onuID), flow.Id) |
| if present { |
| logger.Infow(ctx, "multicast-flow-exists-not-re-adding", log.Fields{"classifier-info": classifierInfo}) |
| return nil |
| } else if err != nil { |
| logger.Errorw(ctx, "aborting-handleFlowWithGroup--flow-may-already-exist", |
| log.Fields{"intf-id": networkInterfaceID, "onu-id": onuID, "flow-id": flow.Id}) |
| return err |
| } |
| |
| classifierProto, err := makeOpenOltClassifierField(classifierInfo) |
| if err != nil { |
| return olterrors.NewErrInvalidValue(log.Fields{"classifier": classifierInfo}, err) |
| } |
| groupID := actionInfo[GroupID].(uint32) |
| multicastFlow := openoltpb2.Flow{ |
| FlowId: flow.Id, |
| FlowType: Multicast, |
| NetworkIntfId: int32(networkInterfaceID), |
| GroupId: groupID, |
| Classifier: classifierProto, |
| Priority: int32(flow.Priority), |
| Cookie: flow.Cookie} |
| |
| if err := f.addFlowToDevice(ctx, flow, &multicastFlow); err != nil { |
| return olterrors.NewErrFlowOp("add", flow.Id, log.Fields{"flow": multicastFlow}, err) |
| } |
| logger.Info(ctx, "multicast-flow-added-to-device-successfully") |
| //get cached group |
| if group, _, err := f.grpMgr.getFlowGroupFromKVStore(ctx, groupID, true); err == nil { |
| //calling groupAdd to set group members after multicast flow creation |
| if err := f.grpMgr.ModifyGroup(ctx, group); err != nil { |
| return olterrors.NewErrGroupOp("modify", groupID, log.Fields{"group": group}, err) |
| } |
| //cached group can be removed now |
| if err := f.resourceMgr.RemoveFlowGroupFromKVStore(ctx, groupID, true); err != nil { |
| logger.Warnw(ctx, "failed-to-remove-flow-group", log.Fields{"group-id": groupID, "err": err}) |
| } |
| } |
| |
| return nil |
| } |
| |
| // getNNIInterfaceIDOfMulticastFlow returns associated NNI interface id of the inPort criterion if exists; returns the first NNI interface of the device otherwise |
| func (f *OpenOltFlowMgr) getNNIInterfaceIDOfMulticastFlow(ctx context.Context, classifierInfo map[string]interface{}) (uint32, error) { |
| if inPort, ok := classifierInfo[InPort]; ok { |
| nniInterfaceID, err := plt.IntfIDFromNniPortNum(ctx, inPort.(uint32)) |
| if err != nil { |
| return 0, olterrors.NewErrInvalidValue(log.Fields{"nni-in-port-number": inPort}, err) |
| } |
| return nniInterfaceID, nil |
| } |
| |
| // TODO: For now we support only one NNI port in VOLTHA. We shall use only the first NNI port, i.e., interface-id 0. |
| return 0, nil |
| } |
| |
| // sendTPDownloadMsgToChild send payload |
| func (f *OpenOltFlowMgr) sendTPDownloadMsgToChild(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, uni string, TpID uint32, tpInst tp_pb.TechProfileInstance) error { |
| |
| onuDev, err := f.getOnuDevice(ctx, intfID, onuID) |
| if err != nil { |
| logger.Errorw(ctx, "couldnt-find-onu-child-device", |
| log.Fields{ |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID}) |
| return err |
| } |
| logger.Debugw(ctx, "got-child-device-from-olt-device-handler", log.Fields{"onu-id": onuDev.deviceID}) |
| |
| tpPath := f.getTPpath(ctx, uni, TpID) |
| tpDownloadMsg := &ia.TechProfileDownloadMessage{ |
| DeviceId: onuDev.deviceID, |
| UniId: uniID, |
| TpInstancePath: tpPath, |
| TechTpInstance: &ia.TechProfileDownloadMessage_TpInstance{TpInstance: &tpInst}, |
| } |
| logger.Debugw(ctx, "sending-load-tech-profile-request-to-brcm-onu-adapter", log.Fields{"tpDownloadMsg": *tpDownloadMsg}) |
| |
| err = f.deviceHandler.sendDownloadTechProfileToChildAdapter(ctx, onuDev.adapterEndpoint, tpDownloadMsg) |
| if err != nil { |
| return olterrors.NewErrCommunication("send-techprofile-download-request", |
| log.Fields{ |
| "from-adapter": f.deviceHandler.openOLT.config.AdapterEndpoint, |
| "to-adapter": onuDev.deviceType, |
| "onu-id": onuDev.deviceID, |
| "proxyDeviceID": onuDev.proxyDeviceID}, err) |
| } |
| logger.Infow(ctx, "success-sending-load-tech-profile-request-to-brcm-onu-adapter", log.Fields{"tpid": TpID}) |
| return nil |
| } |
| |
| // GetLogicalPortFromPacketIn function computes logical port UNI/NNI port from packet-in indication and returns the same |
| func (f *OpenOltFlowMgr) GetLogicalPortFromPacketIn(ctx context.Context, packetIn *openoltpb2.PacketIndication) (uint32, error) { |
| var logicalPortNum uint32 |
| |
| if packetIn.IntfType == "pon" { |
| // packet indication does not have serial number , so sending as nil |
| // get onu and uni ids associated with the given pon and gem ports |
| onuID, uniID := packetIn.OnuId, packetIn.UniId |
| logger.Debugf(ctx, "retrieved ONU and UNI IDs [%d, %d] by interface:%d, gem:%d", packetIn.OnuId, packetIn.UniId, packetIn.GemportId) |
| |
| if packetIn.PortNo != 0 { |
| logicalPortNum = packetIn.PortNo |
| } else { |
| logicalPortNum = plt.MkUniPortNum(ctx, packetIn.IntfId, onuID, uniID) |
| } |
| // Store the gem port through which the packet_in came. Use the same gem port for packet_out |
| f.UpdateGemPortForPktIn(ctx, packetIn.IntfId, onuID, logicalPortNum, packetIn.GemportId, packetIn.Pkt) |
| } else if packetIn.IntfType == "nni" { |
| logicalPortNum = plt.IntfIDToPortNo(packetIn.IntfId, voltha.Port_ETHERNET_NNI) |
| } |
| |
| if logger.V(log.DebugLevel) { |
| logger.Debugw(ctx, "retrieved-logicalport-from-packet-in", |
| log.Fields{ |
| "logical-port-num": logicalPortNum, |
| "intf-type": packetIn.IntfType, |
| "packet": hex.EncodeToString(packetIn.Pkt), |
| }) |
| } |
| return logicalPortNum, nil |
| } |
| |
| // GetPacketOutGemPortID returns gemPortId |
| func (f *OpenOltFlowMgr) GetPacketOutGemPortID(ctx context.Context, intfID uint32, onuID uint32, portNum uint32, packet []byte) (uint32, error) { |
| var gemPortID uint32 |
| |
| ctag, priority, err := getCTagFromPacket(ctx, packet) |
| if err != nil { |
| return 0, err |
| } |
| |
| pktInkey := rsrcMgr.PacketInInfoKey{IntfID: intfID, OnuID: onuID, LogicalPort: portNum, VlanID: ctag, Priority: priority} |
| var ok bool |
| f.packetInGemPortLock.RLock() |
| gemPortID, ok = f.packetInGemPort[pktInkey] |
| f.packetInGemPortLock.RUnlock() |
| if ok { |
| logger.Debugw(ctx, "found-gemport-for-pktin-key", |
| log.Fields{ |
| "pktinkey": pktInkey, |
| "gem": gemPortID}) |
| |
| return gemPortID, nil |
| } |
| //If gem is not found in cache try to get it from kv store, if found in kv store, update the cache and return. |
| gemPortID, err = f.resourceMgr.GetGemPortFromOnuPktIn(ctx, pktInkey) |
| if err == nil { |
| if gemPortID != 0 { |
| f.packetInGemPortLock.Lock() |
| f.packetInGemPort[pktInkey] = gemPortID |
| f.packetInGemPortLock.Unlock() |
| logger.Infow(ctx, "found-gem-port-from-kv-store-and-updating-cache-with-gemport", |
| log.Fields{ |
| "pktinkey": pktInkey, |
| "gem": gemPortID}) |
| return gemPortID, nil |
| } |
| } |
| return uint32(0), olterrors.NewErrNotFound("gem-port", |
| log.Fields{ |
| "pktinkey": pktInkey, |
| "gem": gemPortID}, err) |
| |
| } |
| |
| func (f *OpenOltFlowMgr) addTrapFlowOnNNI(ctx context.Context, logicalFlow *ofp.OfpFlowStats, classifier map[string]interface{}, portNo uint32) error { |
| logger.Debug(ctx, "adding-trap-of-nni-flow") |
| action := make(map[string]interface{}) |
| classifier[PacketTagType] = DoubleTag |
| action[TrapToHost] = true |
| /* We manage flowId resource pool on per PON port basis. |
| Since this situation is tricky, as a hack, we pass the NNI port |
| index (network_intf_id) as PON port Index for the flowId resource |
| pool. Also, there is no ONU Id available for trapping packets |
| on NNI port, use onu_id as -1 (invalid) |
| ****************** CAVEAT ******************* |
| This logic works if the NNI Port Id falls within the same valid |
| range of PON Port Ids. If this doesn't work for some OLT Vendor |
| we need to have a re-look at this. |
| ********************************************* |
| */ |
| onuID := -1 |
| uniID := -1 |
| gemPortID := -1 |
| allocID := -1 |
| networkInterfaceID, err := getNniIntfID(ctx, classifier, action) |
| if err != nil { |
| return olterrors.NewErrNotFound("nni-intreface-id", |
| log.Fields{ |
| "classifier": classifier, |
| "action": action}, |
| err) |
| } |
| |
| present, err := f.resourceMgr.IsFlowOnKvStore(ctx, int32(onuID), logicalFlow.Id) |
| if present { |
| logger.Info(ctx, "flow-exists-not-re-adding") |
| return nil |
| } else if err != nil { |
| logger.Errorw(ctx, "aborting-addTrapFlowOnNNI--flow-may-already-exist", |
| log.Fields{"intf-id": networkInterfaceID, "onu-id": onuID, "flow-id": logicalFlow.Id}) |
| return err |
| } |
| |
| logger.Debugw(ctx, "creating-trap-of-nni-flow", |
| log.Fields{ |
| "classifier": classifier, |
| "action": action, |
| "flowId": logicalFlow.Id, |
| "intf-id": networkInterfaceID}) |
| |
| classifierProto, err := makeOpenOltClassifierField(classifier) |
| if err != nil { |
| return olterrors.NewErrInvalidValue(log.Fields{"classifier": classifier}, err) |
| } |
| logger.Debugw(ctx, "created-classifier-proto", log.Fields{"classifier": *classifierProto}) |
| actionProto, err := makeOpenOltActionField(action, classifier) |
| if err != nil { |
| return olterrors.NewErrInvalidValue(log.Fields{"action": action}, err) |
| } |
| logger.Debugw(ctx, "created-action-proto", log.Fields{"action": *actionProto}) |
| downstreamflow := openoltpb2.Flow{AccessIntfId: int32(-1), // AccessIntfId not required |
| OnuId: int32(onuID), // OnuId not required |
| UniId: int32(uniID), // UniId not used |
| FlowId: logicalFlow.Id, |
| FlowType: Downstream, |
| AllocId: int32(allocID), // AllocId not used |
| NetworkIntfId: int32(networkInterfaceID), |
| GemportId: int32(gemPortID), // GemportId not used |
| Classifier: classifierProto, |
| Action: actionProto, |
| Priority: int32(logicalFlow.Priority), |
| Cookie: logicalFlow.Cookie, |
| PortNo: portNo} |
| if err := f.addFlowToDevice(ctx, logicalFlow, &downstreamflow); err != nil { |
| return olterrors.NewErrFlowOp("add", logicalFlow.Id, log.Fields{"flow": downstreamflow}, err) |
| } |
| logger.Info(ctx, "trap-on-nni-flow-added–to-device-successfully") |
| return nil |
| } |
| |
| // getPacketTypeFromClassifiers finds and returns packet type of a flow by checking flow classifiers |
| func getPacketTypeFromClassifiers(classifierInfo map[string]interface{}) string { |
| var packetType string |
| ovid, ivid := false, false |
| if vlanID, ok := classifierInfo[VlanVid].(uint32); ok { |
| vid := vlanID & VlanvIDMask |
| if vid != ReservedVlan { |
| ovid = true |
| } |
| } |
| |
| // The classifierInfo[Metadata] is set for the following flows |
| // - In the Downstream datapath flow table0 and table1. From the OLT perspective, only table0 downstream flow is relevant. |
| // - Mcast flow that points to a group in the action/treatment |
| // This value, when present and valid (not 0 and not 4096), is interpreted as below |
| // - inner vid for a double tagged packet in the datapath flow |
| // - outer vid for a single tagged packet in the datapath flow |
| // - inner vid in the mcast flow that points to a group |
| |
| // It is to be noted though that for DT FTTH downstream table0 flow, the classifierInfo[Metadata] is absent. |
| // And consequently the ivid is not set to true. This will result in packetType being set to singleTag which is not true |
| // Interestingly enough, this function `getPacketTypeFromClassifiers` is called only by Mcast flow handlers and |
| // it is to be used with caution elsewhere as it could result in wrong packetType to be returned to the caller. |
| if metadata, ok := classifierInfo[Metadata].(uint64); ok { |
| vid := uint32(metadata) |
| if vid != ReservedVlan { |
| ivid = true |
| } |
| } |
| if ovid && ivid { |
| packetType = DoubleTag |
| } else if !ovid && !ivid { |
| packetType = Untagged |
| } else { |
| packetType = SingleTag |
| } |
| return packetType |
| } |
| |
| // addIgmpTrapFlowOnNNI adds a trap-to-host flow on NNI |
| func (f *OpenOltFlowMgr) addIgmpTrapFlowOnNNI(ctx context.Context, logicalFlow *ofp.OfpFlowStats, classifier map[string]interface{}, portNo uint32) error { |
| logger.Infow(ctx, "adding-igmp-trap-of-nni-flow", log.Fields{"classifier-info": classifier}) |
| action := make(map[string]interface{}) |
| classifier[PacketTagType] = getPacketTypeFromClassifiers(classifier) |
| action[TrapToHost] = true |
| /* We manage flowId resource pool on per PON port basis. |
| Since this situation is tricky, as a hack, we pass the NNI port |
| index (network_intf_id) as PON port Index for the flowId resource |
| pool. Also, there is no ONU Id available for trapping packets |
| on NNI port, use onu_id as -1 (invalid) |
| ****************** CAVEAT ******************* |
| This logic works if the NNI Port Id falls within the same valid |
| range of PON Port Ids. If this doesn't work for some OLT Vendor |
| we need to have a re-look at this. |
| ********************************************* |
| */ |
| onuID := -1 |
| uniID := -1 |
| gemPortID := -1 |
| allocID := -1 |
| networkInterfaceID, err := getNniIntfID(ctx, classifier, action) |
| if err != nil { |
| return olterrors.NewErrNotFound("nni-interface-id", log.Fields{ |
| "classifier": classifier, |
| "action": action}, |
| err) |
| } |
| present, err := f.resourceMgr.IsFlowOnKvStore(ctx, int32(onuID), logicalFlow.Id) |
| if present { |
| logger.Info(ctx, "igmp-flow-exists-not-re-adding") |
| return nil |
| } else if err != nil { |
| logger.Errorw(ctx, "aborting-addIgmpTrapFlowOnNNI--flow-may-already-exist", |
| log.Fields{"intf-id": networkInterfaceID, "onu-id": onuID, "flow-id": logicalFlow.Id}) |
| return err |
| } |
| |
| classifierProto, err := makeOpenOltClassifierField(classifier) |
| if err != nil { |
| return olterrors.NewErrInvalidValue(log.Fields{"classifier": classifier}, err) |
| } |
| logger.Debugw(ctx, "created-classifier-proto-for-the-igmp-flow", log.Fields{"classifier": *classifierProto}) |
| actionProto, err := makeOpenOltActionField(action, classifier) |
| if err != nil { |
| return olterrors.NewErrInvalidValue(log.Fields{"action": action}, err) |
| } |
| logger.Debugw(ctx, "created-action-proto-for-the-igmp-flow", log.Fields{"action": *actionProto}) |
| downstreamflow := openoltpb2.Flow{AccessIntfId: int32(-1), // AccessIntfId not required |
| OnuId: int32(onuID), // OnuId not required |
| UniId: int32(uniID), // UniId not used |
| FlowId: logicalFlow.Id, |
| FlowType: Downstream, |
| AllocId: int32(allocID), // AllocId not used |
| NetworkIntfId: int32(networkInterfaceID), |
| GemportId: int32(gemPortID), // GemportId not used |
| Classifier: classifierProto, |
| Action: actionProto, |
| Priority: int32(logicalFlow.Priority), |
| Cookie: logicalFlow.Cookie, |
| PortNo: portNo} |
| if err := f.addFlowToDevice(ctx, logicalFlow, &downstreamflow); err != nil { |
| return olterrors.NewErrFlowOp("add", logicalFlow.Id, log.Fields{"flow": downstreamflow}, err) |
| } |
| logger.Info(ctx, "igmp-trap-on-nni-flow-added-to-device-successfully") |
| |
| return nil |
| } |
| |
| func verifyMeterIDAndGetDirection(MeterID uint32, Dir tp_pb.Direction) (string, error) { |
| if MeterID == 0 { // This should never happen |
| return "", olterrors.NewErrInvalidValue(log.Fields{"meter-id": MeterID}, nil).Log() |
| } |
| if Dir == tp_pb.Direction_UPSTREAM { |
| return "upstream", nil |
| } else if Dir == tp_pb.Direction_DOWNSTREAM { |
| return "downstream", nil |
| } |
| return "", nil |
| } |
| |
| // nolint: gocyclo |
| func (f *OpenOltFlowMgr) checkAndAddFlow(ctx context.Context, args map[string]uint32, classifierInfo map[string]interface{}, |
| actionInfo map[string]interface{}, flow *ofp.OfpFlowStats, TpInst interface{}, gemPorts []uint32, |
| tpID uint32, uni string) error { |
| var gemPortID uint32 |
| intfID := args[IntfID] |
| onuID := args[OnuID] |
| uniID := args[UniID] |
| portNo := args[PortNo] |
| allocID := args[AllocID] |
| pbitToGem := make(map[uint32]uint32) |
| gemToAes := make(map[uint32]bool) |
| |
| var attributes []*tp_pb.GemPortAttributes |
| var direction = tp_pb.Direction_UPSTREAM |
| switch TpInst := TpInst.(type) { |
| case *tp_pb.TechProfileInstance: |
| if plt.IsUpstream(actionInfo[Output].(uint32)) { |
| attributes = TpInst.UpstreamGemPortAttributeList |
| } else { |
| attributes = TpInst.DownstreamGemPortAttributeList |
| direction = tp_pb.Direction_DOWNSTREAM |
| } |
| default: |
| logger.Errorw(ctx, "unsupported-tech", log.Fields{"tpInst": TpInst}) |
| return olterrors.NewErrInvalidValue(log.Fields{"tpInst": TpInst}, nil) |
| } |
| |
| if len(gemPorts) == 1 { |
| // If there is only single gemport use that and do not populate pbitToGem map |
| gemPortID = gemPorts[0] |
| gemToAes[gemPortID], _ = strconv.ParseBool(attributes[0].AesEncryption) |
| } else if pcp, ok := classifierInfo[VlanPcp]; !ok { |
| for idx, gemID := range gemPorts { |
| pBitMap := attributes[idx].PbitMap |
| // Trim the bitMapPrefix form the binary string and then iterate each character in the binary string. |
| // If the character is set to pbit1, extract the pcp value from the position of this character in the string. |
| // Update the pbitToGem map with key being the pcp bit and the value being the gemPortID that consumes |
| // this pcp bit traffca. |
| for pos, pbitSet := range strings.TrimPrefix(pBitMap, bitMapPrefix) { |
| if pbitSet == pbit1 { |
| pcp := uint32(len(strings.TrimPrefix(pBitMap, bitMapPrefix))) - 1 - uint32(pos) |
| pbitToGem[pcp] = gemID |
| gemToAes[gemID], _ = strconv.ParseBool(attributes[idx].AesEncryption) |
| } |
| } |
| } |
| } else { // Extract the exact gemport which maps to the PCP classifier in the flow |
| if gem := f.techprofile.GetGemportForPbit(ctx, TpInst, direction, pcp.(uint32)); gem != nil { |
| gemPortID = gem.(*tp_pb.GemPortAttributes).GemportId |
| gemToAes[gemPortID], _ = strconv.ParseBool(gem.(*tp_pb.GemPortAttributes).AesEncryption) |
| } |
| } |
| |
| flowContext := &flowContext{intfID, onuID, uniID, portNo, classifierInfo, actionInfo, |
| flow, allocID, gemPortID, tpID, pbitToGem, gemToAes} |
| |
| if ipProto, ok := classifierInfo[IPProto]; ok { |
| if ipProto.(uint32) == IPProtoDhcp { |
| logger.Infow(ctx, "adding-dhcp-flow", log.Fields{ |
| "tp-id": tpID, |
| "alloc-id": allocID, |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| }) |
| //Adding DHCP upstream flow |
| if err := f.addDHCPTrapFlow(ctx, flowContext); err != nil { |
| logger.Warn(ctx, err) |
| logger.Errorw(ctx, "reverting-scheduler-and-queue-for-onu", log.Fields{"intf-id": intfID, "onu-id": onuID, "uni-id": uniID, "flow-id": flow.Id, "tp-id": tpID}) |
| _ = f.clearResources(ctx, intfID, int32(onuID), int32(uniID), flow.Id, portNo, tpID, false) |
| return err |
| } |
| |
| } else if ipProto.(uint32) == IgmpProto { |
| logger.Infow(ctx, "adding-us-igmp-flow", |
| log.Fields{ |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "classifier-info:": classifierInfo}) |
| if err := f.addIGMPTrapFlow(ctx, flowContext); err != nil { |
| logger.Warn(ctx, err) |
| logger.Errorw(ctx, "reverting-scheduler-and-queue-for-onu", log.Fields{"intf-id": intfID, "onu-id": onuID, "uni-id": uniID, "flow-id": flow.Id, "tp-id": tpID}) |
| _ = f.clearResources(ctx, intfID, int32(onuID), int32(uniID), flow.Id, portNo, tpID, false) |
| return err |
| } |
| } else { |
| logger.Errorw(ctx, "invalid-classifier-to-handle", log.Fields{"classifier": classifierInfo, "action": actionInfo}) |
| return olterrors.NewErrInvalidValue(log.Fields{"classifier": classifierInfo, "action": actionInfo}, nil) |
| } |
| } else if ethType, ok := classifierInfo[EthType]; ok { |
| if ethType.(uint32) == EapEthType { |
| logger.Infow(ctx, "adding-eapol-flow", log.Fields{ |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "ethType": ethType, |
| }) |
| var vlanID uint32 |
| if val, ok := classifierInfo[VlanVid]; ok { |
| vlanID = (val.(uint32)) & VlanvIDMask |
| } else { |
| vlanID = DefaultMgmtVlan |
| } |
| if err := f.addEthTypeBasedFlow(ctx, flowContext, vlanID, ethType.(uint32)); err != nil { |
| logger.Warn(ctx, err) |
| logger.Errorw(ctx, "reverting-scheduler-and-queue-for-onu", log.Fields{"intf-id": intfID, "onu-id": onuID, "uni-id": uniID, "flow-id": flow.Id, "tp-id": tpID}) |
| _ = f.clearResources(ctx, intfID, int32(onuID), int32(uniID), flow.Id, portNo, tpID, false) |
| return err |
| } |
| } else if ethType.(uint32) == PPPoEDEthType { |
| logger.Infow(ctx, "adding-pppoed-flow", log.Fields{ |
| "tp-id": tpID, |
| "alloc-id": allocID, |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| }) |
| //Adding PPPOED upstream flow |
| if err := f.addUpstreamTrapFlow(ctx, flowContext); err != nil { |
| logger.Warn(ctx, err) |
| logger.Errorw(ctx, "reverting-scheduler-and-queue-for-onu", log.Fields{"intf-id": intfID, "onu-id": onuID, "uni-id": uniID, "flow-id": flow.Id, "tp-id": tpID}) |
| _ = f.clearResources(ctx, intfID, int32(onuID), int32(uniID), flow.Id, portNo, tpID, false) |
| return err |
| } |
| } |
| } else if direction == tp_pb.Direction_UPSTREAM { |
| logger.Infow(ctx, "adding-upstream-data-rule", log.Fields{ |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| }) |
| //Adding HSIA upstream flow |
| if err := f.addUpstreamDataPathFlow(ctx, flowContext); err != nil { |
| logger.Warn(ctx, err) |
| logger.Errorw(ctx, "reverting-scheduler-and-queue-for-onu", log.Fields{"intf-id": intfID, "onu-id": onuID, "uni-id": uniID, "flow-id": flow.Id, "tp-id": tpID}) |
| _ = f.clearResources(ctx, intfID, int32(onuID), int32(uniID), flow.Id, portNo, tpID, false) |
| return err |
| } |
| } else if direction == tp_pb.Direction_DOWNSTREAM { |
| logger.Infow(ctx, "adding-downstream-data-rule", log.Fields{ |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| }) |
| //Adding HSIA downstream flow |
| if err := f.addDownstreamDataPathFlow(ctx, flowContext); err != nil { |
| logger.Warn(ctx, err) |
| logger.Errorw(ctx, "reverting-scheduler-and-queue-for-onu", log.Fields{"intf-id": intfID, "onu-id": onuID, "uni-id": uniID, "flow-id": flow.Id, "tp-id": tpID}) |
| _ = f.clearResources(ctx, intfID, int32(onuID), int32(uniID), flow.Id, portNo, tpID, false) |
| return err |
| } |
| } else { |
| return olterrors.NewErrInvalidValue(log.Fields{ |
| "intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "classifier": classifierInfo, |
| "action": actionInfo, |
| "flow": flow}, |
| nil).Log() |
| } |
| // Send Techprofile download event to child device in go routine as it takes time |
| go func() { |
| if err := f.sendTPDownloadMsgToChild(ctx, intfID, onuID, uniID, uni, tpID, *(TpInst.(*tp_pb.TechProfileInstance))); err != nil { |
| logger.Warn(ctx, err) |
| } |
| }() |
| return nil |
| } |
| |
| func (f *OpenOltFlowMgr) isAllocUsedByAnotherUNI(ctx context.Context, sq schedQueue) bool { |
| tpInst := sq.tpInst.(*tp_pb.TechProfileInstance) |
| if tpInst.InstanceControl.Onu == "single-instance" && sq.direction == tp_pb.Direction_UPSTREAM { |
| tpInstances := f.techprofile.FindAllTpInstances(ctx, f.deviceHandler.device.Id, sq.tpID, sq.intfID, sq.onuID).([]tp_pb.TechProfileInstance) |
| for i := 0; i < len(tpInstances); i++ { |
| tpI := tpInstances[i] |
| if tpI.SubscriberIdentifier != tpInst.SubscriberIdentifier && |
| tpI.UsScheduler.AllocId == tpInst.UsScheduler.AllocId { |
| logger.Debugw(ctx, "alloc-is-in-use-on-another-uni", |
| log.Fields{ |
| "device-id": f.deviceHandler.device.Id, |
| "intfID": sq.intfID, |
| "onuID": sq.onuID, |
| "uniID": sq.uniID, |
| "allocID": tpI.UsScheduler.AllocId, |
| }) |
| return true |
| } |
| } |
| } |
| return false |
| } |
| |
| func formulateClassifierInfoFromFlow(ctx context.Context, classifierInfo map[string]interface{}, flow *ofp.OfpFlowStats) { |
| for _, field := range flows.GetOfbFields(flow) { |
| if field.Type == flows.ETH_TYPE { |
| classifierInfo[EthType] = field.GetEthType() |
| logger.Debug(ctx, "field-type-eth-type", log.Fields{"classifierInfo[ETH_TYPE]": classifierInfo[EthType].(uint32)}) |
| } else if field.Type == flows.ETH_DST { |
| classifierInfo[EthDst] = field.GetEthDst() |
| logger.Debug(ctx, "field-type-eth-dst", log.Fields{"classifierInfo[ETH_DST]": classifierInfo[EthDst].([]uint8)}) |
| } else if field.Type == flows.ETH_SRC { |
| classifierInfo[EthSrc] = field.GetEthSrc() |
| logger.Debug(ctx, "field-type-eth-src", log.Fields{"classifierInfo[ETH_SRC]": classifierInfo[EthSrc].([]uint8)}) |
| } else if field.Type == flows.IP_PROTO { |
| classifierInfo[IPProto] = field.GetIpProto() |
| logger.Debug(ctx, "field-type-ip-proto", log.Fields{"classifierInfo[IP_PROTO]": classifierInfo[IPProto].(uint32)}) |
| } else if field.Type == flows.IN_PORT { |
| classifierInfo[InPort] = field.GetPort() |
| logger.Debug(ctx, "field-type-in-port", log.Fields{"classifierInfo[IN_PORT]": classifierInfo[InPort].(uint32)}) |
| } else if field.Type == flows.VLAN_VID { |
| // The ReservedVlan is used to signify transparent vlan. Do not do any classification when we see ReservedVlan |
| if field.GetVlanVid() != ReservedVlan { |
| classifierInfo[VlanVid] = field.GetVlanVid() & 0xfff |
| logger.Debug(ctx, "field-type-vlan-vid", log.Fields{"classifierInfo[VLAN_VID]": classifierInfo[VlanVid].(uint32)}) |
| } |
| } else if field.Type == flows.VLAN_PCP { |
| classifierInfo[VlanPcp] = field.GetVlanPcp() |
| logger.Debug(ctx, "field-type-vlan-pcp", log.Fields{"classifierInfo[VLAN_PCP]": classifierInfo[VlanPcp].(uint32)}) |
| } else if field.Type == flows.UDP_DST { |
| classifierInfo[UDPDst] = field.GetUdpDst() |
| logger.Debug(ctx, "field-type-udp-dst", log.Fields{"classifierInfo[UDP_DST]": classifierInfo[UDPDst].(uint32)}) |
| } else if field.Type == flows.UDP_SRC { |
| classifierInfo[UDPSrc] = field.GetUdpSrc() |
| logger.Debug(ctx, "field-type-udp-src", log.Fields{"classifierInfo[UDP_SRC]": classifierInfo[UDPSrc].(uint32)}) |
| } else if field.Type == flows.IPV4_DST { |
| classifierInfo[Ipv4Dst] = field.GetIpv4Dst() |
| logger.Debug(ctx, "field-type-ipv4-dst", log.Fields{"classifierInfo[IPV4_DST]": classifierInfo[Ipv4Dst].(uint32)}) |
| } else if field.Type == flows.IPV4_SRC { |
| classifierInfo[Ipv4Src] = field.GetIpv4Src() |
| logger.Debug(ctx, "field-type-ipv4-src", log.Fields{"classifierInfo[IPV4_SRC]": classifierInfo[Ipv4Src].(uint32)}) |
| } else if field.Type == flows.METADATA { |
| classifierInfo[Metadata] = field.GetTableMetadata() |
| logger.Debug(ctx, "field-type-metadata", log.Fields{"classifierInfo[Metadata]": classifierInfo[Metadata].(uint64)}) |
| } else if field.Type == flows.TUNNEL_ID { |
| classifierInfo[TunnelID] = field.GetTunnelId() |
| logger.Debug(ctx, "field-type-tunnelId", log.Fields{"classifierInfo[TUNNEL_ID]": classifierInfo[TunnelID].(uint64)}) |
| } else { |
| logger.Errorw(ctx, "un-supported-field-type", log.Fields{"type": field.Type}) |
| return |
| } |
| } |
| } |
| |
| func formulateActionInfoFromFlow(ctx context.Context, actionInfo, classifierInfo map[string]interface{}, flow *ofp.OfpFlowStats) error { |
| for _, action := range flows.GetActions(flow) { |
| if action.Type == flows.OUTPUT { |
| if out := action.GetOutput(); out != nil { |
| actionInfo[Output] = out.GetPort() |
| logger.Debugw(ctx, "action-type-output", log.Fields{"out-port": actionInfo[Output].(uint32)}) |
| } else { |
| return olterrors.NewErrInvalidValue(log.Fields{"output-port": nil}, nil) |
| } |
| } else if action.Type == flows.POP_VLAN { |
| actionInfo[PopVlan] = true |
| logger.Debugw(ctx, "action-type-pop-vlan", log.Fields{"in_port": classifierInfo[InPort].(uint32)}) |
| } else if action.Type == flows.PUSH_VLAN { |
| if out := action.GetPush(); out != nil { |
| if tpid := out.GetEthertype(); tpid != 0x8100 { |
| logger.Errorw(ctx, "invalid ethertype in push action", log.Fields{"ethertype": actionInfo[PushVlan].(int32)}) |
| } else { |
| actionInfo[PushVlan] = true |
| actionInfo[TPID] = tpid |
| logger.Debugw(ctx, "action-type-push-vlan", |
| log.Fields{ |
| "push-tpid": actionInfo[TPID].(uint32), |
| "in-port": classifierInfo[InPort].(uint32)}) |
| } |
| } |
| } else if action.Type == flows.SET_FIELD { |
| if out := action.GetSetField(); out != nil { |
| if field := out.GetField(); field != nil { |
| if ofClass := field.GetOxmClass(); ofClass != ofp.OfpOxmClass_OFPXMC_OPENFLOW_BASIC { |
| return olterrors.NewErrInvalidValue(log.Fields{"openflow-class": ofClass}, nil) |
| } |
| /*logger.Debugw(ctx, "action-type-set-field",log.Fields{"field": field, "in_port": classifierInfo[IN_PORT].(uint32)})*/ |
| formulateSetFieldActionInfoFromFlow(ctx, field, actionInfo) |
| } |
| } |
| } else if action.Type == flows.GROUP { |
| formulateGroupActionInfoFromFlow(ctx, action, actionInfo) |
| } else { |
| return olterrors.NewErrInvalidValue(log.Fields{"action-type": action.Type}, nil) |
| } |
| } |
| return nil |
| } |
| |
| func formulateSetFieldActionInfoFromFlow(ctx context.Context, field *ofp.OfpOxmField, actionInfo map[string]interface{}) { |
| if ofbField := field.GetOfbField(); ofbField != nil { |
| fieldtype := ofbField.GetType() |
| if fieldtype == ofp.OxmOfbFieldTypes_OFPXMT_OFB_VLAN_VID { |
| if vlan := ofbField.GetVlanVid(); vlan != 0 { |
| actionInfo[VlanVid] = vlan & 0xfff |
| logger.Debugw(ctx, "action-set-vlan-vid", log.Fields{"actionInfo[VLAN_VID]": actionInfo[VlanVid].(uint32)}) |
| } else { |
| logger.Error(ctx, "no-invalid-vlan-id-in-set-vlan-vid-action") |
| } |
| } else if fieldtype == ofp.OxmOfbFieldTypes_OFPXMT_OFB_VLAN_PCP { |
| pcp := ofbField.GetVlanPcp() |
| actionInfo[VlanPcp] = pcp |
| logger.Debugw(ctx, "action-set-vlan-pcp", log.Fields{"actionInfo[VLAN_PCP]": actionInfo[VlanPcp].(uint32)}) |
| } else { |
| logger.Errorw(ctx, "unsupported-action-set-field-type", log.Fields{"type": fieldtype}) |
| } |
| } |
| } |
| |
| func formulateGroupActionInfoFromFlow(ctx context.Context, action *ofp.OfpAction, actionInfo map[string]interface{}) { |
| if action.GetGroup() == nil { |
| logger.Warn(ctx, "no-group-entry-found-in-the-group-action") |
| } else { |
| actionInfo[GroupID] = action.GetGroup().GroupId |
| logger.Debugw(ctx, "action-group-id", log.Fields{"actionInfo[GroupID]": actionInfo[GroupID].(uint32)}) |
| } |
| } |
| |
| func formulateControllerBoundTrapFlowInfo(ctx context.Context, actionInfo, classifierInfo map[string]interface{}, flow *ofp.OfpFlowStats) error { |
| if isControllerFlow := plt.IsControllerBoundFlow(actionInfo[Output].(uint32)); isControllerFlow { |
| logger.Debug(ctx, "controller-bound-trap-flows--getting-inport-from-tunnelid") |
| /* Get UNI port/ IN Port from tunnel ID field for upstream controller bound flows */ |
| if portType := plt.IntfIDToPortTypeName(classifierInfo[InPort].(uint32)); portType == voltha.Port_PON_OLT { |
| if uniPort := flows.GetChildPortFromTunnelId(flow); uniPort != 0 { |
| classifierInfo[InPort] = uniPort |
| logger.Debugw(ctx, "upstream-pon-to-controller-flow--inport-in-tunnelid", |
| log.Fields{ |
| "newinport": classifierInfo[InPort].(uint32), |
| "outport": actionInfo[Output].(uint32)}) |
| } else { |
| return olterrors.NewErrNotFound("child-in-port", |
| log.Fields{ |
| "reason": "upstream-pon-to-controller-flow--no-inport-in-tunnelid", |
| "flow": flow}, nil) |
| } |
| } |
| } else { |
| logger.Debug(ctx, "non-controller-flows--getting-uniport-from-tunnelid") |
| // Downstream flow from NNI to PON port , Use tunnel ID as new OUT port / UNI port |
| if portType := plt.IntfIDToPortTypeName(actionInfo[Output].(uint32)); portType == voltha.Port_PON_OLT { |
| if uniPort := flows.GetChildPortFromTunnelId(flow); uniPort != 0 { |
| actionInfo[Output] = uniPort |
| logger.Debugw(ctx, "downstream-nni-to-pon-port-flow, outport-in-tunnelid", |
| log.Fields{ |
| "newoutport": actionInfo[Output].(uint32), |
| "outport": actionInfo[Output].(uint32)}) |
| } else { |
| return olterrors.NewErrNotFound("out-port", |
| log.Fields{ |
| "reason": "downstream-nni-to-pon-port-flow--no-outport-in-tunnelid", |
| "flow": flow}, nil) |
| } |
| // Upstream flow from PON to NNI port , Use tunnel ID as new IN port / UNI port |
| } else if portType := plt.IntfIDToPortTypeName(classifierInfo[InPort].(uint32)); portType == voltha.Port_PON_OLT { |
| if uniPort := flows.GetChildPortFromTunnelId(flow); uniPort != 0 { |
| classifierInfo[InPort] = uniPort |
| logger.Debugw(ctx, "upstream-pon-to-nni-port-flow, inport-in-tunnelid", |
| log.Fields{ |
| "newinport": actionInfo[Output].(uint32), |
| "outport": actionInfo[Output].(uint32)}) |
| } else { |
| return olterrors.NewErrNotFound("nni-port", |
| log.Fields{ |
| "reason": "upstream-pon-to-nni-port-flow--no-inport-in-tunnelid", |
| "in-port": classifierInfo[InPort].(uint32), |
| "out-port": actionInfo[Output].(uint32), |
| "flow": flow}, nil) |
| } |
| } |
| } |
| return nil |
| } |
| |
| func getTpIDFromFlow(ctx context.Context, flow *ofp.OfpFlowStats) (uint32, error) { |
| /* Metadata 8 bytes: |
| Most Significant 2 Bytes = Inner VLAN |
| Next 2 Bytes = Tech Profile ID(TPID) |
| Least Significant 4 Bytes = Port ID |
| Flow Metadata carries Tech-Profile (TP) ID and is mandatory in all |
| subscriber related flows. |
| */ |
| metadata := flows.GetMetadataFromWriteMetadataAction(ctx, flow) |
| if metadata == 0 { |
| return 0, olterrors.NewErrNotFound("metadata", log.Fields{"flow": flow}, nil) |
| } |
| TpID := flows.GetTechProfileIDFromWriteMetaData(ctx, metadata) |
| return uint32(TpID), nil |
| } |
| |
| func appendUnique32bit(slice []uint32, item uint32) []uint32 { |
| for _, sliceElement := range slice { |
| if sliceElement == item { |
| return slice |
| } |
| } |
| return append(slice, item) |
| } |
| |
| func appendUnique64bit(slice []uint64, item uint64) []uint64 { |
| for _, sliceElement := range slice { |
| if sliceElement == item { |
| return slice |
| } |
| } |
| return append(slice, item) |
| } |
| |
| // getNniIntfID gets nni intf id from the flow classifier/action |
| func getNniIntfID(ctx context.Context, classifier map[string]interface{}, action map[string]interface{}) (uint32, error) { |
| |
| portType := plt.IntfIDToPortTypeName(classifier[InPort].(uint32)) |
| if portType == voltha.Port_PON_OLT { |
| intfID, err := plt.IntfIDFromNniPortNum(ctx, action[Output].(uint32)) |
| if err != nil { |
| logger.Debugw(ctx, "invalid-action-port-number", |
| log.Fields{ |
| "port-number": action[Output].(uint32), |
| "err": err}) |
| return uint32(0), err |
| } |
| logger.Infow(ctx, "output-nni-intfId-is", log.Fields{"intf-id": intfID}) |
| return intfID, nil |
| } else if portType == voltha.Port_ETHERNET_NNI { |
| intfID, err := plt.IntfIDFromNniPortNum(ctx, classifier[InPort].(uint32)) |
| if err != nil { |
| logger.Debugw(ctx, "invalid-classifier-port-number", |
| log.Fields{ |
| "port-number": action[Output].(uint32), |
| "err": err}) |
| return uint32(0), err |
| } |
| logger.Infow(ctx, "input-nni-intfId-is", log.Fields{"intf-id": intfID}) |
| return intfID, nil |
| } |
| return uint32(0), nil |
| } |
| |
| // UpdateGemPortForPktIn updates gemport for packet-in in to the cache and to the kv store as well. |
| func (f *OpenOltFlowMgr) UpdateGemPortForPktIn(ctx context.Context, intfID uint32, onuID uint32, logicalPort uint32, gemPort uint32, pkt []byte) { |
| cTag, priority, err := getCTagFromPacket(ctx, pkt) |
| if err != nil { |
| logger.Errorw(ctx, "unable-to-update-gem-port-for-packet-in", |
| log.Fields{"intfID": intfID, "onuID": onuID, "logicalPort": logicalPort, "gemPort": gemPort, "err": err}) |
| return |
| } |
| pktInkey := rsrcMgr.PacketInInfoKey{IntfID: intfID, OnuID: onuID, LogicalPort: logicalPort, VlanID: cTag, Priority: priority} |
| |
| f.packetInGemPortLock.RLock() |
| lookupGemPort, ok := f.packetInGemPort[pktInkey] |
| f.packetInGemPortLock.RUnlock() |
| |
| if ok { |
| if lookupGemPort == gemPort { |
| logger.Infow(ctx, "pktin-key/value-found-in-cache--no-need-to-update-kv--assume-both-in-sync", |
| log.Fields{ |
| "pktinkey": pktInkey, |
| "gem": gemPort}) |
| return |
| } |
| } |
| f.packetInGemPortLock.Lock() |
| f.packetInGemPort[pktInkey] = gemPort |
| f.packetInGemPortLock.Unlock() |
| |
| f.resourceMgr.UpdateGemPortForPktIn(ctx, pktInkey, gemPort) |
| logger.Infow(ctx, "pktin-key-not-found-in-local-cache-value-is-different--updating-cache-and-kv-store", |
| log.Fields{ |
| "pktinkey": pktInkey, |
| "gem": gemPort}) |
| } |
| |
| // getCTagFromPacket retrieves and returns c-tag and priority value from a packet. |
| func getCTagFromPacket(ctx context.Context, packet []byte) (uint16, uint8, error) { |
| if packet == nil || len(packet) < 18 { |
| logger.Error(ctx, "unable-get-c-tag-from-the-packet--invalid-packet-length ") |
| return 0, 0, errors.New("invalid packet length") |
| } |
| outerEthType := (uint16(packet[12]) << 8) | uint16(packet[13]) |
| innerEthType := (uint16(packet[16]) << 8) | uint16(packet[17]) |
| |
| var index int8 |
| if outerEthType == 0x8100 { |
| if innerEthType == 0x8100 { |
| // q-in-q 802.1ad or 802.1q double tagged packet. |
| // get the inner vlanId |
| index = 18 |
| } else { |
| index = 14 |
| } |
| priority := (packet[index] >> 5) & 0x7 |
| //13 bits composes vlanId value |
| vlan := ((uint16(packet[index]) << 8) & 0x0fff) | uint16(packet[index+1]) |
| return vlan, priority, nil |
| } |
| logger.Debugf(ctx, "No vlanId found in the packet. Returning zero as c-tag") |
| return 0, 0, nil |
| } |
| |
| // clearMulticastFlowFromResourceManager removes a multicast flow from the KV store and |
| // clears resources reserved for this multicast flow |
| func (f *OpenOltFlowMgr) clearMulticastFlowFromResourceManager(ctx context.Context, flow *ofp.OfpFlowStats) error { |
| removeFlowMessage := openoltpb2.Flow{FlowId: flow.Id, FlowType: Multicast} |
| logger.Debugw(ctx, "multicast-flow-to-be-deleted", |
| log.Fields{ |
| "flow": flow, |
| "flow-id": flow.Id, |
| "device-id": f.deviceHandler.device.Id}) |
| // Remove from device |
| if err := f.removeFlowFromDevice(ctx, &removeFlowMessage, flow.Id); err != nil { |
| // DKB |
| logger.Errorw(ctx, "failed-to-remove-multicast-flow", |
| log.Fields{ |
| "flow-id": flow.Id, |
| "err": err}) |
| return err |
| } |
| |
| return nil |
| } |
| |
| func (f *OpenOltFlowMgr) getTechProfileDownloadMessage(ctx context.Context, tpPath string, uniID uint32, onuDeviceID string) (*ia.TechProfileDownloadMessage, error) { |
| tpInst, err := f.techprofile.GetTPInstance(ctx, tpPath) |
| if err != nil { |
| logger.Errorw(ctx, "error-fetching-tp-instance", log.Fields{"tpPath": tpPath}) |
| return nil, err |
| } |
| |
| switch tpInst := tpInst.(type) { |
| case *tp_pb.TechProfileInstance: |
| logger.Debugw(ctx, "fetched-tp-instance-successfully-formulating-tp-download-msg", log.Fields{"tpPath": tpPath}) |
| return &ia.TechProfileDownloadMessage{ |
| DeviceId: onuDeviceID, |
| UniId: uniID, |
| TpInstancePath: tpPath, |
| TechTpInstance: &ia.TechProfileDownloadMessage_TpInstance{TpInstance: tpInst}, |
| }, nil |
| case *tp_pb.EponTechProfileInstance: |
| return &ia.TechProfileDownloadMessage{ |
| DeviceId: onuDeviceID, |
| UniId: uniID, |
| TpInstancePath: tpPath, |
| TechTpInstance: &ia.TechProfileDownloadMessage_EponTpInstance{EponTpInstance: tpInst}, |
| }, nil |
| default: |
| logger.Errorw(ctx, "unknown-tech", log.Fields{"tpPath": tpPath}) |
| } |
| return &ia.TechProfileDownloadMessage{ |
| DeviceId: onuDeviceID, |
| UniId: uniID, |
| TpInstancePath: tpPath, |
| TechTpInstance: nil, |
| }, nil |
| } |
| |
| // revertTechProfileInstance is called when CreateScheduler or CreateQueues request fails |
| func (f *OpenOltFlowMgr) revertTechProfileInstance(ctx context.Context, sq schedQueue) { |
| |
| intfID := sq.intfID |
| onuID := sq.onuID |
| uniID := sq.uniID |
| tpID := sq.tpID |
| |
| var reverseDirection string |
| if sq.direction == tp_pb.Direction_UPSTREAM { |
| reverseDirection = "downstream" |
| } else { |
| reverseDirection = "upstream" |
| } |
| |
| // check reverse direction - if reverse meter exists, tech profile instance is in use - do not delete |
| if KvStoreMeter, _ := f.resourceMgr.GetMeterInfoForOnu(ctx, reverseDirection, onuID, uniID, tpID); KvStoreMeter != nil { |
| return |
| } |
| |
| // revert-delete tech-profile instance and delete tech profile id for onu |
| logger.Warnw(ctx, "reverting-tech-profile-instance-and-tech-profile-id-for-onu", log.Fields{"intf-id": intfID, "onu-id": onuID, "uni-id": uniID, "tp-id": tpID}) |
| uniPortName := getUniPortPath(f.deviceHandler.device.Id, intfID, int32(onuID), int32(uniID)) |
| _ = f.DeleteTechProfileInstance(ctx, intfID, onuID, uniID, uniPortName, tpID) |
| _ = f.resourceMgr.RemoveTechProfileIDForOnu(ctx, onuID, uniID, tpID) |
| |
| // free gem/alloc |
| switch techprofileInst := sq.tpInst.(type) { |
| case *tp_pb.TechProfileInstance: |
| for _, gem := range techprofileInst.UpstreamGemPortAttributeList { |
| f.resourceMgr.FreeGemPortID(ctx, onuID, uniID, gem.GemportId) |
| } |
| f.resourceMgr.FreeAllocID(ctx, onuID, uniID, techprofileInst.UsScheduler.AllocId, true) |
| } |
| } |
| |
| // revertSchduler is called when CreateQueues request fails |
| func (f *OpenOltFlowMgr) revertScheduler(ctx context.Context, sq schedQueue, TrafficSched []*tp_pb.TrafficScheduler) { |
| // revert scheduler |
| logger.Warnw(ctx, "reverting-scheduler-for-onu", log.Fields{"intf-id": sq.intfID, "onu-id": sq.onuID, "uni-id": sq.uniID, "tp-id": sq.tpID}) |
| _, _ = f.deviceHandler.Client.RemoveTrafficSchedulers(ctx, &tp_pb.TrafficSchedulers{ |
| IntfId: sq.intfID, OnuId: sq.onuID, |
| UniId: sq.uniID, PortNo: sq.uniPort, |
| TrafficScheds: TrafficSched}) |
| } |
| |
| // validateMeter validates if there is a meter mismatch for the given direction. It also clears the stale meter if the reference count is zero |
| func (f *OpenOltFlowMgr) validateMeter(ctx context.Context, direction string, meterID uint32, intfID uint32, onuID uint32, uniID uint32, tpID uint32) error { |
| meterInfo, err := f.resourceMgr.GetMeterInfoForOnu(ctx, direction, onuID, uniID, tpID) |
| if err != nil { |
| return olterrors.NewErrNotFound("meter", |
| log.Fields{"intf-id": intfID, |
| "onu-id": onuID, |
| "uni-id": uniID, |
| "device-id": f.deviceHandler.device.Id}, err) |
| } |
| |
| if meterInfo != nil { |
| // If RefCnt become 0 clear the meter information from the DB. |
| if meterInfo.MeterID != meterID && meterInfo.RefCnt == 0 { |
| if err := f.resourceMgr.RemoveMeterInfoForOnu(ctx, direction, onuID, uniID, tpID); err != nil { |
| return err |
| } |
| } else if meterInfo.MeterID != meterID { |
| logger.Errorw(ctx, "meter-mismatch-for-direction", |
| log.Fields{"direction": direction, |
| "kv-store-meter-id": meterInfo.MeterID, |
| "meter-id-in-flow": meterID, |
| "device-id": f.deviceHandler.device.Id}) |
| return olterrors.NewErrInvalidValue(log.Fields{ |
| "unsupported": "meter-id", |
| "kv-store-meter-id": meterInfo.MeterID, |
| "meter-id-in-flow": meterID, |
| "device-id": f.deviceHandler.device.Id}, nil) |
| } |
| } |
| return nil |
| } |
| |
| func (f *OpenOltFlowMgr) removeMeterReference(ctx context.Context, direction string, sq schedQueue) error { |
| /* After we successfully remove the scheduler configuration on the OLT device, |
| * delete the meter id on the KV store. |
| */ |
| err := f.resourceMgr.RemoveMeterInfoForOnu(ctx, direction, sq.onuID, sq.uniID, sq.tpID) |
| if err != nil { |
| return olterrors.NewErrAdapter("unable-to-remove-meter", |
| log.Fields{ |
| "onu": sq.onuID, |
| "device-id": f.deviceHandler.device.Id, |
| "intf-id": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "uni-port": sq.uniPort}, err) |
| } |
| logger.Debugw(ctx, "removed-meter-from-KV-store-successfully", |
| log.Fields{ |
| "dir": direction, |
| "device-id": f.deviceHandler.device.Id, |
| "intf-id": sq.intfID, |
| "onu-id": sq.onuID, |
| "uni-id": sq.uniID, |
| "uni-port": sq.uniPort}) |
| return err |
| } |