| /* |
| * Copyright 2018-present Open Networking Foundation |
| |
| * 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 adaptercore provides the utility for olt devices, flows and statistics |
| package adaptercore |
| |
| import ( |
| "context" |
| "crypto/md5" |
| "encoding/json" |
| "errors" |
| "fmt" |
| "github.com/opencord/voltha-go/common/log" |
| tp "github.com/opencord/voltha-go/common/techprofile" |
| "github.com/opencord/voltha-go/rw_core/utils" |
| rsrcMgr "github.com/opencord/voltha-openolt-adapter/adaptercore/resourcemanager" |
| ic "github.com/opencord/voltha-protos/go/inter_container" |
| ofp "github.com/opencord/voltha-protos/go/openflow_13" |
| openoltpb2 "github.com/opencord/voltha-protos/go/openolt" |
| "github.com/opencord/voltha-protos/go/voltha" |
| "math/big" |
| //deepcopy "github.com/getlantern/deepcopy" |
| ) |
| |
| const ( |
| // Flow categories |
| |
| //HsiaFlow flow category |
| HsiaFlow = "HSIA_FLOW" |
| |
| //EapolFlow flow category |
| EapolFlow = "EAPOL_FLOW" |
| |
| //IPProtoDhcp flow category |
| IPProtoDhcp = 17 |
| |
| //IPProtoIgmp flow category |
| IPProtoIgmp = 2 |
| |
| //EapEthType eapethtype value |
| EapEthType = 0x888e |
| //LldpEthType lldp ethtype value |
| LldpEthType = 0x88cc |
| |
| //IgmpProto proto value |
| IgmpProto = 2 |
| |
| //FIXME - see also BRDCM_DEFAULT_VLAN in broadcom_onu.py |
| |
| //DefaultMgmtVlan default vlan value |
| DefaultMgmtVlan = 4091 |
| |
| // Openolt Flow |
| |
| //UPSTREAM constant |
| UPSTREAM = "upstream" |
| //DOWNSTREAM constant |
| DOWNSTREAM = "downstream" |
| //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" |
| //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" |
| // Actions |
| |
| //PopVlan constant |
| PopVlan = "pop_vlan" |
| //PushVlan constant |
| PushVlan = "push_vlan" |
| //TrapToHost constant |
| TrapToHost = "trap_to_host" |
| ) |
| |
| type onuInfo struct { |
| intfID uint32 |
| onuID uint32 |
| serialNumber string |
| } |
| |
| type onuIDKey struct { |
| intfID uint32 |
| onuID uint32 |
| } |
| |
| type gemPortKey struct { |
| intfID uint32 |
| gemPort uint32 |
| } |
| |
| type packetInInfoKey struct { |
| intfID uint32 |
| onuID uint32 |
| logicalPort uint32 |
| } |
| |
| //OpenOltFlowMgr creates the Structure of OpenOltFlowMgr obj |
| type OpenOltFlowMgr struct { |
| techprofile []*tp.TechProfileMgr |
| deviceHandler *DeviceHandler |
| resourceMgr *rsrcMgr.OpenOltResourceMgr |
| onuIds map[onuIDKey]onuInfo //OnuId -> OnuInfo |
| onuSerialNumbers map[string]onuInfo //onu serial_number (string) -> OnuInfo |
| onuGemPortIds map[gemPortKey]onuInfo //GemPortId -> OnuInfo |
| packetInGemPort map[packetInInfoKey]uint32 //packet in gem port |
| storedDeviceFlows []ofp.OfpFlowStats /* Required during deletion to obtain device flows from logical flows */ |
| } |
| |
| //NewFlowManager creates OpenOltFlowMgr object and initializes the parameters |
| func NewFlowManager(dh *DeviceHandler, rsrcMgr *rsrcMgr.OpenOltResourceMgr) *OpenOltFlowMgr { |
| log.Info("Initializing flow manager") |
| var flowMgr OpenOltFlowMgr |
| flowMgr.deviceHandler = dh |
| flowMgr.resourceMgr = rsrcMgr |
| if err := flowMgr.populateTechProfilePerPonPort(); err != nil { |
| log.Error("Error while populating tech profile mgr\n") |
| return nil |
| } |
| flowMgr.onuIds = make(map[onuIDKey]onuInfo) |
| flowMgr.onuSerialNumbers = make(map[string]onuInfo) |
| flowMgr.onuGemPortIds = make(map[gemPortKey]onuInfo) |
| flowMgr.packetInGemPort = make(map[packetInInfoKey]uint32) |
| log.Info("Initialization of flow manager success!!") |
| return &flowMgr |
| } |
| |
| func (f *OpenOltFlowMgr) generateStoredFlowID(flowID uint32, direction string) (uint64, error) { |
| if direction == UPSTREAM { |
| log.Debug("upstream flow, shifting id") |
| return 0x1<<15 | uint64(flowID), nil |
| } else if direction == DOWNSTREAM { |
| log.Debug("downstream flow, not shifting id") |
| return uint64(flowID), nil |
| } else { |
| log.Debug("Unrecognized direction") |
| return 0, fmt.Errorf("unrecognized direction %s", direction) |
| } |
| } |
| |
| func (f *OpenOltFlowMgr) registerFlow(flowFromCore *ofp.OfpFlowStats, deviceFlow *openoltpb2.Flow) { |
| log.Debug("Registering Flow for Device ", log.Fields{"flow": flowFromCore}, |
| log.Fields{"device": f.deviceHandler.deviceID}) |
| |
| var storedFlow ofp.OfpFlowStats |
| storedFlow.Id, _ = f.generateStoredFlowID(deviceFlow.FlowId, deviceFlow.FlowType) |
| log.Debug(fmt.Sprintf("Generated stored device flow. id = %d, flowId = %d, direction = %s", storedFlow.Id, |
| deviceFlow.FlowId, deviceFlow.FlowType)) |
| storedFlow.Cookie = flowFromCore.Id |
| f.storedDeviceFlows = append(f.storedDeviceFlows, storedFlow) |
| log.Debugw("updated Stored flow info", log.Fields{"storedDeviceFlows": f.storedDeviceFlows}) |
| } |
| |
| func (f *OpenOltFlowMgr) divideAndAddFlow(intfID uint32, onuID uint32, uniID uint32, portNo uint32, classifierInfo map[string]interface{}, actionInfo map[string]interface{}, flow *ofp.OfpFlowStats) { |
| var allocID []uint32 |
| var gemPorts []uint32 |
| |
| log.Infow("Dividing flow", log.Fields{"intfId": intfID, "onuId": onuID, "uniId": uniID, "portNo": portNo, "classifier": classifierInfo, "action": actionInfo}) |
| |
| log.Infow("sorting flow", log.Fields{"intfId": intfID, "onuId": onuID, "uniId": uniID, "portNo": portNo, |
| "classifierInfo": classifierInfo, "actionInfo": actionInfo}) |
| |
| uni := getUniPortPath(intfID, onuID, uniID) |
| log.Debugw("Uni port name", log.Fields{"uni": uni}) |
| allocID, gemPorts = f.createTcontGemports(intfID, onuID, uniID, uni, portNo, flow.GetTableId()) |
| if allocID == nil || gemPorts == nil { |
| log.Error("alloc-id-gem-ports-unavailable") |
| return |
| } |
| |
| /* Flows can't be added specific to gemport unless p-bits are received. |
| * Hence adding flows for all gemports |
| */ |
| for _, gemPort := range gemPorts { |
| if ipProto, ok := classifierInfo[IPProto]; ok { |
| if ipProto.(uint32) == IPProtoDhcp { |
| log.Info("Adding DHCP flow") |
| f.addDHCPTrapFlow(intfID, onuID, uniID, portNo, classifierInfo, actionInfo, flow, allocID[0], gemPort) |
| } else if ipProto == IPProtoIgmp { |
| log.Info("igmp flow add ignored, not implemented yet") |
| } else { |
| log.Errorw("Invalid-Classifier-to-handle", log.Fields{"classifier": classifierInfo, "action": actionInfo}) |
| //return errors.New("Invalid-Classifier-to-handle") |
| } |
| } else if ethType, ok := classifierInfo[EthType]; ok { |
| if ethType.(uint32) == EapEthType { |
| log.Info("Adding EAPOL flow") |
| f.addEAPOLFlow(intfID, onuID, uniID, portNo, flow, allocID[0], gemPort, DefaultMgmtVlan) |
| if vlan := getSubscriberVlan(utils.GetInPort(flow)); vlan != 0 { |
| f.addEAPOLFlow(intfID, onuID, uniID, portNo, flow, allocID[0], gemPort, vlan) |
| } |
| // Send Techprofile download event to child device in go routine as it takes time |
| go f.sendTPDownloadMsgToChild(intfID, onuID, uniID, uni) |
| } |
| if ethType == LldpEthType { |
| log.Info("Adding LLDP flow") |
| addLLDPFlow(flow, portNo) |
| } |
| } else if _, ok := actionInfo[PushVlan]; ok { |
| log.Info("Adding upstream data rule") |
| f.addUpstreamDataFlow(intfID, onuID, uniID, portNo, classifierInfo, actionInfo, flow, allocID[0], gemPort) |
| } else if _, ok := actionInfo[PopVlan]; ok { |
| log.Info("Adding Downstream data rule") |
| f.addDownstreamDataFlow(intfID, onuID, uniID, portNo, classifierInfo, actionInfo, flow, allocID[0], gemPort) |
| } else { |
| log.Errorw("Invalid-flow-type-to-handle", log.Fields{"classifier": classifierInfo, "action": actionInfo, "flow": flow}) |
| } |
| } |
| } |
| |
| // This function allocates tconts and GEM ports for an ONU, currently one TCONT is supported per ONU |
| func (f *OpenOltFlowMgr) createTcontGemports(intfID uint32, onuID uint32, uniID uint32, uni string, uniPort uint32, tableID uint32) ([]uint32, []uint32) { |
| var allocID []uint32 |
| var gemPortIDs []uint32 |
| //If we already have allocated earlier for this onu, render them |
| if tcontID := f.resourceMgr.GetCurrentAllocIDForOnu(intfID, onuID, uniID); tcontID != 0 { |
| allocID = append(allocID, tcontID) |
| } |
| gemPortIDs = f.resourceMgr.GetCurrentGEMPortIDsForOnu(intfID, onuID, uniID) |
| if len(allocID) != 0 && len(gemPortIDs) != 0 { |
| log.Debug("Rendered Tcont and GEM ports from resource manager", log.Fields{"intfId": intfID, "onuId": onuID, "uniPort": uniID, |
| "allocID": allocID, "gemPortIDs": gemPortIDs}) |
| return allocID, gemPortIDs |
| } |
| log.Debug("Creating New TConts and Gem ports", log.Fields{"pon": intfID, "onu": onuID, "uni": uniID}) |
| |
| //FIXME: If table id is <= 63 using 64 as table id |
| if tableID < tp.DEFAULT_TECH_PROFILE_TABLE_ID { |
| tableID = tp.DEFAULT_TECH_PROFILE_TABLE_ID |
| } |
| tpPath := f.getTPpath(intfID, uni) |
| // Check tech profile instance already exists for derived port name |
| techProfileInstance, err := f.techprofile[intfID].GetTPInstanceFromKVStore(tableID, tpPath) |
| if err != nil { // This should not happen, something wrong in KV backend transaction |
| log.Errorw("Error in fetching tech profile instance from KV store", log.Fields{"tableID": tableID, "path": tpPath}) |
| return nil, nil |
| } |
| if techProfileInstance == nil { |
| log.Info("Creating tech profile instance", log.Fields{"path": tpPath}) |
| techProfileInstance = f.techprofile[intfID].CreateTechProfInstance(tableID, uni, intfID) |
| if techProfileInstance == nil { |
| log.Error("Tech-profile-instance-creation-failed") |
| return nil, nil |
| } |
| } else { |
| log.Debugw("Tech-profile-instance-already-exist-for-given port-name", log.Fields{"uni": uni}) |
| } |
| // Get upstream and downstream scheduler protos |
| usScheduler := f.techprofile[intfID].GetUsScheduler(techProfileInstance) |
| dsScheduler := f.techprofile[intfID].GetDsScheduler(techProfileInstance) |
| // Get TCONTS protos |
| tconts := f.techprofile[intfID].GetTconts(techProfileInstance, usScheduler, dsScheduler) |
| if len(tconts) == 0 { |
| log.Error("TCONTS not found ") |
| return nil, nil |
| } |
| log.Debugw("Sending Create tcont to device", |
| log.Fields{"onu": onuID, "uni": uniID, "portNo": "", "tconts": tconts}) |
| if _, err := f.deviceHandler.Client.CreateTconts(context.Background(), |
| &openoltpb2.Tconts{IntfId: intfID, |
| OnuId: onuID, |
| UniId: uniID, |
| PortNo: uniPort, |
| Tconts: tconts}); err != nil { |
| log.Errorw("Error while creating TCONT in device", log.Fields{"error": err}) |
| return nil, nil |
| } |
| allocID = append(allocID, techProfileInstance.UsScheduler.AllocID) |
| for _, gem := range techProfileInstance.UpstreamGemPortAttributeList { |
| gemPortIDs = append(gemPortIDs, gem.GemportID) |
| } |
| log.Debugw("Allocated Tcont and GEM ports", log.Fields{"allocID": allocID, "gemports": gemPortIDs}) |
| // Send Tconts and GEM ports to KV store |
| f.storeTcontsGEMPortsIntoKVStore(intfID, onuID, uniID, allocID, gemPortIDs) |
| return allocID, gemPortIDs |
| } |
| |
| func (f *OpenOltFlowMgr) storeTcontsGEMPortsIntoKVStore(intfID uint32, onuID uint32, uniID uint32, allocID []uint32, gemPortIDs []uint32) { |
| |
| log.Debugw("Storing allocated Tconts and GEM ports into KV store", |
| log.Fields{"intfId": intfID, "onuId": onuID, "uniId": uniID, "allocID": allocID, "gemPortIDs": gemPortIDs}) |
| /* Update the allocated alloc_id and gem_port_id for the ONU/UNI to KV store */ |
| if err := f.resourceMgr.UpdateAllocIdsForOnu(intfID, onuID, uniID, allocID); err != nil { |
| log.Error("Errow while uploading allocID to KV store") |
| } |
| if err := f.resourceMgr.UpdateGEMPortIDsForOnu(intfID, onuID, uniID, gemPortIDs); err != nil { |
| log.Error("Errow while uploading GEMports to KV store") |
| } |
| if err := f.resourceMgr.UpdateGEMportsPonportToOnuMapOnKVStore(gemPortIDs, intfID, onuID, uniID); err != nil { |
| log.Error("Errow while uploading gemtopon map to KV store") |
| } |
| log.Debug("Stored tconts and GEM into KV store successfully") |
| for _, gemPort := range gemPortIDs { |
| f.addGemPortToOnuInfoMap(intfID, onuID, gemPort) |
| } |
| } |
| |
| func (f *OpenOltFlowMgr) populateTechProfilePerPonPort() error { |
| for _, techRange := range f.resourceMgr.DevInfo.Ranges { |
| for intfID := range techRange.IntfIds { |
| f.techprofile = append(f.techprofile, f.resourceMgr.ResourceMgrs[uint32(intfID)].TechProfileMgr) |
| } |
| } |
| //Make sure we have as many tech_profiles as there are pon ports on the device |
| if len(f.techprofile) != int(f.resourceMgr.DevInfo.GetPonPorts()) { |
| log.Errorw("Error while populating techprofile", |
| log.Fields{"numofTech": len(f.techprofile), "numPonPorts": f.resourceMgr.DevInfo.GetPonPorts()}) |
| return errors.New("error while populating techprofile mgrs") |
| } |
| log.Infow("Populated techprofile per ponport successfully", |
| log.Fields{"numofTech": len(f.techprofile), "numPonPorts": f.resourceMgr.DevInfo.GetPonPorts()}) |
| return nil |
| } |
| |
| func (f *OpenOltFlowMgr) addUpstreamDataFlow(intfID uint32, onuID uint32, uniID uint32, |
| portNo uint32, uplinkClassifier map[string]interface{}, |
| uplinkAction map[string]interface{}, logicalFlow *ofp.OfpFlowStats, |
| allocID uint32, gemportID uint32) { |
| uplinkClassifier[PacketTagType] = SingleTag |
| log.Debugw("Adding upstream data flow", log.Fields{"uplinkClassifier": uplinkClassifier, "uplinkAction": uplinkAction}) |
| f.addHSIAFlow(intfID, onuID, uniID, portNo, uplinkClassifier, uplinkAction, |
| UPSTREAM, logicalFlow, allocID, gemportID) |
| /* TODO: Install Secondary EAP on the subscriber vlan */ |
| } |
| |
| func (f *OpenOltFlowMgr) addDownstreamDataFlow(intfID uint32, onuID uint32, uniID uint32, |
| portNo uint32, downlinkClassifier map[string]interface{}, |
| downlinkAction map[string]interface{}, logicalFlow *ofp.OfpFlowStats, |
| allocID uint32, gemportID uint32) { |
| downlinkClassifier[PacketTagType] = DoubleTag |
| log.Debugw("Adding downstream data flow", log.Fields{"downlinkClassifier": downlinkClassifier, |
| "downlinkAction": downlinkAction}) |
| // Ignore private VLAN flow given by decomposer, cannot do anything with this flow |
| if uint32(downlinkClassifier[METADATA].(uint64)) == MkUniPortNum(intfID, onuID, uniID) && |
| downlinkClassifier[VlanVid] == (uint32(ofp.OfpVlanId_OFPVID_PRESENT)|4000) { |
| log.Infow("EAPOL DL flow , Already added ,ignoring it", log.Fields{"downlinkClassifier": downlinkClassifier, |
| "downlinkAction": downlinkAction}) |
| return |
| } |
| /* Already this info available classifier? */ |
| downlinkAction[PopVlan] = true |
| downlinkAction[VlanVid] = downlinkClassifier[VlanVid] |
| f.addHSIAFlow(intfID, onuID, uniID, portNo, downlinkClassifier, downlinkAction, |
| DOWNSTREAM, logicalFlow, allocID, gemportID) |
| } |
| |
| func (f *OpenOltFlowMgr) addHSIAFlow(intfID uint32, onuID uint32, uniID uint32, portNo uint32, classifier map[string]interface{}, |
| action map[string]interface{}, direction string, logicalFlow *ofp.OfpFlowStats, |
| allocID uint32, gemPortID uint32) { |
| /* One of the OLT platform (Broadcom BAL) requires that symmetric |
| flows require the same flow_id to be used across UL and DL. |
| Since HSIA flow is the only symmetric flow currently, we need to |
| re-use the flow_id across both direction. The 'flow_category' |
| takes priority over flow_cookie to find any available HSIA_FLOW |
| id for the ONU. |
| */ |
| log.Debugw("Adding HSIA flow", log.Fields{"intfId": intfID, "onuId": onuID, "uniId": uniID, "classifier": classifier, |
| "action": action, "direction": direction, "allocId": allocID, "gemPortId": gemPortID, |
| "logicalFlow": *logicalFlow}) |
| flowCategory := "HSIA" |
| flowStoreCookie := getFlowStoreCookie(classifier, gemPortID) |
| flowID, err := f.resourceMgr.GetFlowID(intfID, onuID, uniID, flowStoreCookie, flowCategory) |
| if err != nil { |
| log.Errorw("Flow id unavailable for HSIA flow", log.Fields{"direction": direction}) |
| return |
| } |
| var classifierProto *openoltpb2.Classifier |
| var actionProto *openoltpb2.Action |
| if classifierProto = makeOpenOltClassifierField(classifier); classifierProto == nil { |
| log.Error("Error in making classifier protobuf for hsia flow") |
| return |
| } |
| log.Debugw("Created classifier proto", log.Fields{"classifier": *classifierProto}) |
| if actionProto = makeOpenOltActionField(action); actionProto == nil { |
| log.Errorw("Error in making action protobuf for hsia flow", log.Fields{"direction": direction}) |
| return |
| } |
| log.Debugw("Created action proto", log.Fields{"action": *actionProto}) |
| networkIntfID := f.deviceHandler.nniIntfID |
| flow := openoltpb2.Flow{AccessIntfId: int32(intfID), |
| OnuId: int32(onuID), |
| UniId: int32(uniID), |
| FlowId: flowID, |
| FlowType: direction, |
| AllocId: int32(allocID), |
| NetworkIntfId: int32(networkIntfID), |
| GemportId: int32(gemPortID), |
| Classifier: classifierProto, |
| Action: actionProto, |
| Priority: int32(logicalFlow.Priority), |
| Cookie: logicalFlow.Cookie, |
| PortNo: portNo} |
| if ok := f.addFlowToDevice(logicalFlow, &flow); ok { |
| log.Debug("HSIA flow added to device successfully", log.Fields{"direction": direction}) |
| flowsToKVStore := f.getUpdatedFlowInfo(&flow, flowStoreCookie, "HSIA", flowID) |
| if err := f.updateFlowInfoToKVStore(flow.AccessIntfId, |
| flow.OnuId, |
| flow.UniId, |
| flow.FlowId /*flowCategory,*/, flowsToKVStore); err != nil { |
| log.Errorw("Error uploading HSIA flow into KV store", log.Fields{"flow": flow, "direction": direction, "error": err}) |
| return |
| } |
| } |
| } |
| func (f *OpenOltFlowMgr) addDHCPTrapFlow(intfID uint32, onuID uint32, uniID uint32, portNo uint32, classifier map[string]interface{}, action map[string]interface{}, logicalFlow *ofp.OfpFlowStats, allocID uint32, gemPortID uint32) { |
| |
| var dhcpFlow openoltpb2.Flow |
| var actionProto *openoltpb2.Action |
| var classifierProto *openoltpb2.Classifier |
| |
| // 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 |
| delete(classifier, VlanVid) |
| |
| flowStoreCookie := getFlowStoreCookie(classifier, gemPortID) |
| |
| flowID, err := f.resourceMgr.GetFlowID(intfID, onuID, uniID, flowStoreCookie, "") |
| |
| if err != nil { |
| log.Errorw("flowId unavailable for UL EAPOL", log.Fields{"intfId": intfID, "onuId": onuID, "flowStoreCookie": flowStoreCookie}) |
| return |
| } |
| |
| log.Debugw("Creating UL DHCP flow", log.Fields{"ul_classifier": classifier, "ul_action": action, "uplinkFlowId": flowID}) |
| |
| if classifierProto = makeOpenOltClassifierField(classifier); classifierProto == nil { |
| log.Error("Error in making classifier protobuf for ul flow") |
| return |
| } |
| log.Debugw("Created classifier proto", log.Fields{"classifier": *classifierProto}) |
| if actionProto = makeOpenOltActionField(action); actionProto == nil { |
| log.Error("Error in making action protobuf for ul flow") |
| return |
| } |
| networkIntfID := f.deviceHandler.nniIntfID |
| |
| dhcpFlow = openoltpb2.Flow{AccessIntfId: int32(intfID), |
| OnuId: int32(onuID), |
| UniId: int32(uniID), |
| FlowId: flowID, |
| FlowType: UPSTREAM, |
| AllocId: int32(allocID), |
| NetworkIntfId: int32(networkIntfID), |
| GemportId: int32(gemPortID), |
| Classifier: classifierProto, |
| Action: actionProto, |
| Priority: int32(logicalFlow.Priority), |
| Cookie: logicalFlow.Cookie, |
| PortNo: portNo} |
| |
| if ok := f.addFlowToDevice(logicalFlow, &dhcpFlow); ok { |
| log.Debug("DHCP UL flow added to device successfully") |
| flowsToKVStore := f.getUpdatedFlowInfo(&dhcpFlow, flowStoreCookie, "DHCP", flowID) |
| if err := f.updateFlowInfoToKVStore(dhcpFlow.AccessIntfId, |
| dhcpFlow.OnuId, |
| dhcpFlow.UniId, |
| dhcpFlow.FlowId, flowsToKVStore); err != nil { |
| log.Errorw("Error uploading DHCP UL flow into KV store", log.Fields{"flow": dhcpFlow, "error": err}) |
| return |
| } |
| } |
| |
| return |
| } |
| |
| // Add EAPOL flow to device with mac, vlanId as classifier for upstream and downstream |
| func (f *OpenOltFlowMgr) addEAPOLFlow(intfID uint32, onuID uint32, uniID uint32, portNo uint32, logicalFlow *ofp.OfpFlowStats, allocID uint32, gemPortID uint32, vlanID uint32) { |
| log.Debugw("Adding EAPOL to device", log.Fields{"intfId": intfID, "onuId": onuID, "portNo": portNo, "allocId": allocID, "gemPortId": gemPortID, "vlanId": vlanID, "flow": logicalFlow}) |
| |
| uplinkClassifier := make(map[string]interface{}) |
| uplinkAction := make(map[string]interface{}) |
| downlinkClassifier := make(map[string]interface{}) |
| downlinkAction := make(map[string]interface{}) |
| var upstreamFlow openoltpb2.Flow |
| var downstreamFlow openoltpb2.Flow |
| |
| // Fill Classfier |
| uplinkClassifier[EthType] = uint32(EapEthType) |
| uplinkClassifier[PacketTagType] = SingleTag |
| uplinkClassifier[VlanVid] = vlanID |
| // Fill action |
| uplinkAction[TrapToHost] = true |
| flowStoreCookie := getFlowStoreCookie(uplinkClassifier, gemPortID) |
| //Add Uplink EAPOL Flow |
| uplinkFlowID, err := f.resourceMgr.GetFlowID(intfID, onuID, uniID, flowStoreCookie, "") |
| if err != nil { |
| log.Errorw("flowId unavailable for UL EAPOL", log.Fields{"intfId": intfID, "onuId": onuID, "flowStoreCookie": flowStoreCookie}) |
| return |
| } |
| var classifierProto *openoltpb2.Classifier |
| var actionProto *openoltpb2.Action |
| log.Debugw("Creating UL EAPOL flow", log.Fields{"ul_classifier": uplinkClassifier, "ul_action": uplinkAction, "uplinkFlowId": uplinkFlowID}) |
| |
| if classifierProto = makeOpenOltClassifierField(uplinkClassifier); classifierProto == nil { |
| log.Error("Error in making classifier protobuf for ul flow") |
| return |
| } |
| log.Debugw("Created classifier proto", log.Fields{"classifier": *classifierProto}) |
| if actionProto = makeOpenOltActionField(uplinkAction); actionProto == nil { |
| log.Error("Error in making action protobuf for ul flow") |
| return |
| } |
| log.Debugw("Created action proto", log.Fields{"action": *actionProto}) |
| networkIntfID := f.deviceHandler.nniIntfID |
| upstreamFlow = openoltpb2.Flow{AccessIntfId: int32(intfID), |
| OnuId: int32(onuID), |
| UniId: int32(uniID), |
| FlowId: uplinkFlowID, |
| FlowType: UPSTREAM, |
| AllocId: int32(allocID), |
| NetworkIntfId: int32(networkIntfID), |
| GemportId: int32(gemPortID), |
| Classifier: classifierProto, |
| Action: actionProto, |
| Priority: int32(logicalFlow.Priority), |
| Cookie: logicalFlow.Cookie, |
| PortNo: portNo} |
| if ok := f.addFlowToDevice(logicalFlow, &upstreamFlow); ok { |
| log.Debug("EAPOL UL flow added to device successfully") |
| flowCategory := "EAPOL" |
| flowsToKVStore := f.getUpdatedFlowInfo(&upstreamFlow, flowStoreCookie, flowCategory, uplinkFlowID) |
| if err := f.updateFlowInfoToKVStore(upstreamFlow.AccessIntfId, |
| upstreamFlow.OnuId, |
| upstreamFlow.UniId, |
| upstreamFlow.FlowId, |
| /* lowCategory, */ |
| flowsToKVStore); err != nil { |
| log.Errorw("Error uploading EAPOL UL flow into KV store", log.Fields{"flow": upstreamFlow, "error": err}) |
| return |
| } |
| } |
| |
| if vlanID == DefaultMgmtVlan { |
| /* Add Downstream EAPOL Flow, Only for first EAP flow (BAL |
| # requirement) |
| # On one of the platforms (Broadcom BAL), when same DL classifier |
| # vlan was used across multiple ONUs, eapol flow re-adds after |
| # flow delete (cases of onu reboot/disable) fails. |
| # In order to generate unique vlan, a combination of intf_id |
| # onu_id and uniId is used. |
| # uniId defaults to 0, so add 1 to it. |
| */ |
| log.Debugw("Creating DL EAPOL flow with default vlan", log.Fields{"vlan": vlanID}) |
| specialVlanDlFlow := 4090 - intfID*onuID*(uniID+1) |
| // Assert that we do not generate invalid vlans under no condition |
| if specialVlanDlFlow <= 2 { |
| log.Fatalw("invalid-vlan-generated", log.Fields{"vlan": specialVlanDlFlow}) |
| return |
| } |
| log.Debugw("specialVlanEAPOLDlFlow:", log.Fields{"dl_vlan": specialVlanDlFlow}) |
| // Fill Classfier |
| downlinkClassifier[PacketTagType] = SingleTag |
| downlinkClassifier[VlanVid] = uint32(specialVlanDlFlow) |
| // Fill action |
| downlinkAction[PushVlan] = true |
| downlinkAction[VlanVid] = vlanID |
| flowStoreCookie := getFlowStoreCookie(downlinkClassifier, gemPortID) |
| downlinkFlowID, err := f.resourceMgr.GetFlowID(intfID, onuID, uniID, flowStoreCookie, "") |
| if err != nil { |
| log.Errorw("flowId unavailable for DL EAPOL", |
| log.Fields{"intfId": intfID, "onuId": onuID, "flowStoreCookie": flowStoreCookie}) |
| return |
| } |
| log.Debugw("Creating DL EAPOL flow", |
| log.Fields{"dl_classifier": downlinkClassifier, "dl_action": downlinkAction, "downlinkFlowId": downlinkFlowID}) |
| if classifierProto = makeOpenOltClassifierField(downlinkClassifier); classifierProto == nil { |
| log.Error("Error in making classifier protobuf for downlink flow") |
| return |
| } |
| if actionProto = makeOpenOltActionField(downlinkAction); actionProto == nil { |
| log.Error("Error in making action protobuf for dl flow") |
| return |
| } |
| // Downstream flow in grpc protobuf |
| downstreamFlow = openoltpb2.Flow{AccessIntfId: int32(intfID), |
| OnuId: int32(onuID), |
| UniId: int32(uniID), |
| FlowId: downlinkFlowID, |
| FlowType: DOWNSTREAM, |
| AllocId: int32(allocID), |
| NetworkIntfId: int32(networkIntfID), |
| GemportId: int32(gemPortID), |
| Classifier: classifierProto, |
| Action: actionProto, |
| Priority: int32(logicalFlow.Priority), |
| Cookie: logicalFlow.Cookie, |
| PortNo: portNo} |
| if ok := f.addFlowToDevice(logicalFlow, &downstreamFlow); ok { |
| log.Debug("EAPOL DL flow added to device successfully") |
| flowCategory := "" |
| flowsToKVStore := f.getUpdatedFlowInfo(&downstreamFlow, flowStoreCookie, flowCategory, downlinkFlowID) |
| if err := f.updateFlowInfoToKVStore(downstreamFlow.AccessIntfId, |
| downstreamFlow.OnuId, |
| downstreamFlow.UniId, |
| downstreamFlow.FlowId, |
| /* flowCategory, */ |
| flowsToKVStore); err != nil { |
| log.Errorw("Error uploading EAPOL DL flow into KV store", log.Fields{"flow": upstreamFlow, "error": err}) |
| return |
| } |
| } |
| } else { |
| log.Infow("EAPOL flow with non-default mgmt vlan is not supported", log.Fields{"vlanId": vlanID}) |
| return |
| } |
| log.Debugw("Added EAPOL flows to device successfully", log.Fields{"flow": logicalFlow}) |
| } |
| |
| func makeOpenOltClassifierField(classifierInfo map[string]interface{}) *openoltpb2.Classifier { |
| var classifier openoltpb2.Classifier |
| if etherType, ok := classifierInfo[EthType]; ok { |
| classifier.EthType = etherType.(uint32) |
| } |
| if ipProto, ok := classifierInfo[IPProto]; ok { |
| classifier.IpProto = ipProto.(uint32) |
| } |
| if vlanID, ok := classifierInfo[VlanVid]; ok { |
| classifier.OVid = (vlanID.(uint32)) & 0xFFF |
| } |
| if metadata, ok := classifierInfo[METADATA]; ok { // TODO: Revisit |
| classifier.IVid = uint32(metadata.(uint64)) |
| } |
| if vlanPcp, ok := classifierInfo[VlanPcp]; ok { |
| classifier.OPbits = vlanPcp.(uint32) |
| } |
| if udpSrc, ok := classifierInfo[UDPSrc]; ok { |
| classifier.SrcPort = udpSrc.(uint32) |
| } |
| if udpDst, ok := classifierInfo[UDPDst]; ok { |
| classifier.DstPort = udpDst.(uint32) |
| } |
| if ipv4Dst, ok := classifierInfo[Ipv4Dst]; ok { |
| classifier.DstIp = ipv4Dst.(uint32) |
| } |
| if ipv4Src, ok := classifierInfo[Ipv4Src]; ok { |
| classifier.SrcIp = ipv4Src.(uint32) |
| } |
| if pktTagType, ok := classifierInfo[PacketTagType]; ok { |
| if pktTagType.(string) == SingleTag { |
| classifier.PktTagType = SingleTag |
| } else if pktTagType.(string) == DoubleTag { |
| classifier.PktTagType = DoubleTag |
| } else if pktTagType.(string) == UNTAGGED { |
| classifier.PktTagType = UNTAGGED |
| } else { |
| log.Error("Invalid tag type in classifier") // should not hit |
| return nil |
| } |
| } |
| return &classifier |
| } |
| |
| func makeOpenOltActionField(actionInfo map[string]interface{}) *openoltpb2.Action { |
| var actionCmd openoltpb2.ActionCmd |
| var action openoltpb2.Action |
| action.Cmd = &actionCmd |
| if _, ok := actionInfo[PopVlan]; ok { |
| action.OVid = actionInfo[VlanVid].(uint32) |
| action.Cmd.RemoveOuterTag = true |
| } else if _, ok := actionInfo[PushVlan]; ok { |
| action.OVid = actionInfo[VlanVid].(uint32) |
| action.Cmd.AddOuterTag = true |
| } else if _, ok := actionInfo[TrapToHost]; ok { |
| action.Cmd.TrapToHost = actionInfo[TrapToHost].(bool) |
| } else { |
| log.Errorw("Invalid-action-field", log.Fields{"action": actionInfo}) |
| return nil |
| } |
| return &action |
| } |
| |
| func (f *OpenOltFlowMgr) getTPpath(intfID uint32, uni string) string { |
| /* |
| FIXME |
| Should get Table id form the flow, as of now hardcoded to DEFAULT_TECH_PROFILE_TABLE_ID (64) |
| 'tp_path' contains the suffix part of the tech_profile_instance path. The prefix to the 'tp_path' should be set to |
| TechProfile.KV_STORE_TECH_PROFILE_PATH_PREFIX by the ONU adapter. |
| */ |
| return f.techprofile[intfID].GetTechProfileInstanceKVPath(tp.DEFAULT_TECH_PROFILE_TABLE_ID, uni) |
| } |
| |
| func getFlowStoreCookie(classifier map[string]interface{}, gemPortID uint32) uint64 { |
| if len(classifier) == 0 { // should never happen |
| log.Error("Invalid classfier object") |
| return 0 |
| } |
| var jsonData []byte |
| var flowString string |
| var err error |
| // TODO: Do we need to marshall ?? |
| if jsonData, err = json.Marshal(classifier); err != nil { |
| log.Error("Failed to encode classifier") |
| return 0 |
| } |
| flowString = string(jsonData) |
| if gemPortID != 0 { |
| flowString = fmt.Sprintf("%s%s", string(jsonData), string(gemPortID)) |
| } |
| h := md5.New() |
| _, _ = h.Write([]byte(flowString)) |
| hash := big.NewInt(0) |
| hash.SetBytes(h.Sum(nil)) |
| return hash.Uint64() |
| } |
| |
| func (f *OpenOltFlowMgr) getUpdatedFlowInfo(flow *openoltpb2.Flow, flowStoreCookie uint64, flowCategory string, deviceFlowID uint32) *[]rsrcMgr.FlowInfo { |
| var flows = []rsrcMgr.FlowInfo{{Flow: flow, FlowCategory: flowCategory, FlowStoreCookie: flowStoreCookie}} |
| 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 flow.AccessIntfId != -1 { |
| intfID = uint32(flow.AccessIntfId) |
| } else { |
| intfID = uint32(flow.NetworkIntfId) |
| } |
| // Get existing flows matching flowid for given subscriber from KV store |
| existingFlows := f.resourceMgr.GetFlowIDInfo(intfID, uint32(flow.OnuId), uint32(flow.UniId), flow.FlowId) |
| if existingFlows != nil { |
| log.Debugw("Flow exists for given flowID, appending it to current flow", log.Fields{"flowID": flow.FlowId}) |
| //for _, f := range *existingFlows { |
| // flows = append(flows, f) |
| //} |
| flows = append(flows, *existingFlows...) |
| } |
| log.Debugw("Updated flows for given flowID and onuid", log.Fields{"updatedflow": flows, "flowid": flow.FlowId, "onu": flow.OnuId}) |
| return &flows |
| } |
| |
| //func (f *OpenOltFlowMgr) getUpdatedFlowInfo(flow *openolt_pb2.Flow, flowStoreCookie uint64, flowCategory string) *[]rsrcMgr.FlowInfo { |
| // var flows []rsrcMgr.FlowInfo = []rsrcMgr.FlowInfo{rsrcMgr.FlowInfo{Flow: flow, FlowCategory: flowCategory, FlowStoreCookie: flowStoreCookie}} |
| // 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 flow.AccessIntfId != -1 { |
| // intfId = uint32(flow.AccessIntfId) |
| // } else { |
| // intfId = uint32(flow.NetworkIntfId) |
| // } |
| // // Get existing flows matching flowid for given subscriber from KV store |
| // existingFlows := f.resourceMgr.GetFlowIDInfo(intfId, uint32(flow.OnuId), uint32(flow.UniId), flow.FlowId) |
| // if existingFlows != nil { |
| // log.Debugw("Flow exists for given flowID, appending it to current flow", log.Fields{"flowID": flow.FlowId}) |
| // for _, f := range *existingFlows { |
| // flows = append(flows, f) |
| // } |
| // } |
| // log.Debugw("Updated flows for given flowID and onuid", log.Fields{"updatedflow": flows, "flowid": flow.FlowId, "onu": flow.OnuId}) |
| // return &flows |
| //} |
| |
| func (f *OpenOltFlowMgr) updateFlowInfoToKVStore(intfID int32, onuID int32, uniID int32, flowID uint32, flows *[]rsrcMgr.FlowInfo) error { |
| log.Debugw("Storing flow(s) into KV store", log.Fields{"flows": *flows}) |
| if err := f.resourceMgr.UpdateFlowIDInfo(intfID, onuID, uniID, flowID, flows); err != nil { |
| log.Debug("Error while Storing flow into KV store") |
| return err |
| } |
| log.Info("Stored flow(s) into KV store successfully!") |
| return nil |
| } |
| |
| func (f *OpenOltFlowMgr) addFlowToDevice(logicalFlow *ofp.OfpFlowStats, deviceFlow *openoltpb2.Flow) bool { |
| log.Debugw("Sending flow to device via grpc", log.Fields{"flow": *deviceFlow}) |
| _, err := f.deviceHandler.Client.FlowAdd(context.Background(), deviceFlow) |
| if err != nil { |
| log.Errorw("Failed to Add flow to device", log.Fields{"err": err, "deviceFlow": deviceFlow}) |
| return false |
| } |
| log.Debugw("Flow added to device successfully ", log.Fields{"flow": *deviceFlow}) |
| log.Debugw("Flow added to device successfully ", log.Fields{"flow": *deviceFlow}) |
| f.registerFlow(logicalFlow, deviceFlow) |
| return true |
| } |
| |
| func (f *OpenOltFlowMgr) removeFlowFromDevice(deviceFlow *openoltpb2.Flow) bool { |
| log.Debugw("Sending flow to device via grpc", log.Fields{"flow": *deviceFlow}) |
| _, err := f.deviceHandler.Client.FlowRemove(context.Background(), deviceFlow) |
| if err != nil { |
| log.Errorw("Failed to Remove flow from device", log.Fields{"err": err, "deviceFlow": deviceFlow}) |
| return false |
| } |
| log.Debugw("Flow removed from device successfully ", log.Fields{"flow": *deviceFlow}) |
| return true |
| } |
| |
| /*func register_flow(deviceFlow *openolt_pb2.Flow, logicalFlow *ofp.OfpFlowStats){ |
| //update core flows_proxy : flows_proxy.update('/', flows) |
| } |
| |
| func generateStoredId(flowId uint32, direction string)uint32{ |
| |
| if direction == UPSTREAM{ |
| log.Debug("Upstream flow shifting flowid") |
| return ((0x1 << 15) | flowId) |
| }else if direction == DOWNSTREAM{ |
| log.Debug("Downstream flow not shifting flowid") |
| return flowId |
| }else{ |
| log.Errorw("Unrecognized direction",log.Fields{"direction": direction}) |
| return flowId |
| } |
| } |
| |
| */ |
| |
| func addLLDPFlow(flow *ofp.OfpFlowStats, portNo uint32) { |
| log.Info("unimplemented flow : %v, portNo : %v ", flow, portNo) |
| } |
| |
| func getUniPortPath(intfID uint32, onuID uint32, uniID uint32) string { |
| return fmt.Sprintf("pon-{%d}/onu-{%d}/uni-{%d}", intfID, onuID, uniID) |
| } |
| |
| //getOnuChildDevice to fetch onu |
| func (f *OpenOltFlowMgr) getOnuChildDevice(intfID uint32, onuID uint32) (*voltha.Device, error) { |
| log.Debugw("GetChildDevice", log.Fields{"pon port": intfID, "onuId": onuID}) |
| parentPortNo := IntfIDToPortNo(intfID, voltha.Port_PON_OLT) |
| onuDevice := f.deviceHandler.GetChildDevice(parentPortNo, onuID) |
| if onuDevice == nil { |
| log.Errorw("onu not found", log.Fields{"intfId": parentPortNo, "onuId": onuID}) |
| return nil, errors.New("onu not found") |
| } |
| log.Debugw("Successfully received child device from core", log.Fields{"child_device": *onuDevice}) |
| return onuDevice, nil |
| } |
| |
| func findNextFlow(flow *ofp.OfpFlowStats) *ofp.OfpFlowStats { |
| log.Info("unimplemented flow : %v", flow) |
| return nil |
| } |
| |
| func getSubscriberVlan(inPort uint32) uint32 { |
| /* For EAPOL case we will use default VLAN , so will implement later if required */ |
| log.Info("unimplemented inport %v", inPort) |
| return 0 |
| } |
| |
| func (f *OpenOltFlowMgr) clearFlowsAndSchedulerForLogicalPort(childDevice *voltha.Device, logicalPort *voltha.LogicalPort) { |
| log.Info("unimplemented device %v, logicalport %v", childDevice, logicalPort) |
| } |
| |
| func (f *OpenOltFlowMgr) decodeStoredID(id uint64) (uint64, string) { |
| if id>>15 == 0x1 { |
| return id & 0x7fff, UPSTREAM |
| } |
| return id, DOWNSTREAM |
| } |
| |
| func (f *OpenOltFlowMgr) clearFlowFromResourceManager(flow *ofp.OfpFlowStats, flowID uint32, flowDirection string) { |
| log.Debugw("clearFlowFromResourceManager", log.Fields{"flowID": flowID, "flowDirection": flowDirection, "flow": *flow}) |
| ponIntf, onuID, uniID, err := FlowExtractInfo(flow, flowDirection) |
| if err != nil { |
| log.Error(err) |
| return |
| } |
| log.Debugw("Extracted access info from flow to be deleted", |
| log.Fields{"ponIntf": ponIntf, "onuID": onuID, "uniID": uniID, "flowID": flowID}) |
| |
| flowsInfo := f.resourceMgr.GetFlowIDInfo(ponIntf, onuID, uniID, flowID) |
| if flowsInfo == nil { |
| log.Debugw("No FlowInfo found found in KV store", |
| log.Fields{"ponIntf": ponIntf, "onuID": onuID, "uniID": uniID, "flowID": flowID}) |
| return |
| } |
| var updatedFlows []rsrcMgr.FlowInfo |
| |
| for _, flow := range *flowsInfo { |
| updatedFlows = append(updatedFlows, flow) |
| } |
| |
| for i, storedFlow := range updatedFlows { |
| if flowDirection == storedFlow.Flow.FlowType { |
| //Remove the Flow from FlowInfo |
| log.Debugw("Removing flow to be deleted", log.Fields{"flow": storedFlow}) |
| updatedFlows = append(updatedFlows[:i], updatedFlows[i+1:]...) |
| break |
| } |
| } |
| |
| if len(updatedFlows) >= 0 { |
| // There are still flows referencing the same flow_id. |
| // So the flow should not be freed yet. |
| // For ex: Case of HSIA where same flow is shared |
| // between DS and US. |
| f.updateFlowInfoToKVStore(int32(ponIntf), int32(onuID), int32(uniID), flowID, &updatedFlows) |
| return |
| } |
| log.Debugw("Releasing flow Id to resource manager", log.Fields{"ponIntf": ponIntf, "onuID": onuID, "uniID": uniID, "flowID": flowID}) |
| f.resourceMgr.FreeFlowID(ponIntf, onuID, uniID, flowID) |
| flowIds := f.resourceMgr.GetCurrentFlowIDsForOnu(ponIntf, onuID, uniID) |
| if len(flowIds) == 0 { |
| /* TODO: Remove Upstream and Downstream Schedulers */ |
| } |
| } |
| |
| //RemoveFlow removes the flow from the device |
| func (f *OpenOltFlowMgr) RemoveFlow(flow *ofp.OfpFlowStats) { |
| log.Debugw("Removing Flow", log.Fields{"flow": flow}) |
| var deviceFlowsToRemove []ofp.OfpFlowStats |
| var deletedFlowsIdx []int |
| for _, curFlow := range f.storedDeviceFlows { |
| if curFlow.Cookie == flow.Id { |
| log.Debugw("Found found matching flow-cookie", log.Fields{"curFlow": curFlow}) |
| deviceFlowsToRemove = append(deviceFlowsToRemove, curFlow) |
| } |
| } |
| log.Debugw("Flows to be deleted", log.Fields{"deviceFlowsToRemove": deviceFlowsToRemove}) |
| for index, curFlow := range deviceFlowsToRemove { |
| id, direction := f.decodeStoredID(curFlow.GetId()) |
| removeFlowMessage := openoltpb2.Flow{FlowId: uint32(id), FlowType: direction} |
| if ok := f.removeFlowFromDevice(&removeFlowMessage); ok { |
| log.Debug("Flow removed from device successfully") |
| deletedFlowsIdx = append(deletedFlowsIdx, index) |
| f.clearFlowFromResourceManager(flow, uint32(id), direction) //TODO: Take care of the limitations |
| } |
| |
| } |
| // Can be done in separate go routine as it takes time ? |
| for _, flowToRemove := range deletedFlowsIdx { |
| for index, storedFlow := range f.storedDeviceFlows { |
| if deviceFlowsToRemove[flowToRemove].Cookie == storedFlow.Cookie { |
| log.Debugw("Removing flow from local Store", log.Fields{"flow": storedFlow}) |
| f.storedDeviceFlows = append(f.storedDeviceFlows[:index], f.storedDeviceFlows[index+1:]...) |
| break |
| } |
| } |
| } |
| log.Debugw("Flows removed from the data store", |
| log.Fields{"number_of_flows_removed": len(deviceFlowsToRemove), "updated_stored_flows": f.storedDeviceFlows}) |
| return |
| } |
| |
| // AddFlow add flow to device |
| func (f *OpenOltFlowMgr) AddFlow(flow *ofp.OfpFlowStats) { |
| classifierInfo := make(map[string]interface{}) |
| actionInfo := make(map[string]interface{}) |
| log.Debug("Adding Flow", log.Fields{"flow": flow}) |
| for _, field := range utils.GetOfbFields(flow) { |
| f.updateClassifierInfo(field, classifierInfo) |
| } |
| for _, action := range utils.GetActions(flow) { |
| f.updateFlowActionInfo(action, actionInfo, classifierInfo) |
| } |
| /* Controller bound trap flows */ |
| if isControllerFlow := IsControllerBoundFlow(actionInfo[OUTPUT].(uint32)); isControllerFlow { |
| log.Debug("Controller bound trap flows, getting inport from tunnelid") |
| /* Get UNI port/ IN Port from tunnel ID field for upstream controller bound flows */ |
| if portType := IntfIDToPortTypeName(classifierInfo[InPort].(uint32)); portType == voltha.Port_PON_OLT { |
| if uniPort := utils.GetChildPortFromTunnelId(flow); uniPort != 0 { |
| classifierInfo[InPort] = uniPort |
| log.Debugw("upstream pon-to-controller-flow,inport-in-tunnelid", log.Fields{"newInPort": classifierInfo[InPort].(uint32), "outPort": actionInfo[OUTPUT].(uint32)}) |
| } else { |
| log.Error("upstream pon-to-controller-flow, NO-inport-in-tunnelid") |
| return |
| } |
| } |
| } else { |
| log.Debug("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 := IntfIDToPortTypeName(actionInfo[OUTPUT].(uint32)); portType == voltha.Port_PON_OLT { |
| if uniPort := utils.GetChildPortFromTunnelId(flow); uniPort != 0 { |
| actionInfo[OUTPUT] = uniPort |
| log.Debugw("downstream-nni-to-pon-port-flow, outport-in-tunnelid", log.Fields{"newOutPort": actionInfo[OUTPUT].(uint32), "outPort": actionInfo[OUTPUT].(uint32)}) |
| } else { |
| log.Debug("downstream-nni-to-pon-port-flow, no-outport-in-tunnelid", log.Fields{"InPort": classifierInfo[InPort].(uint32), "outPort": actionInfo[OUTPUT].(uint32)}) |
| return |
| } |
| // Upstream flow from PON to NNI port , Use tunnel ID as new IN port / UNI port |
| } else if portType := IntfIDToPortTypeName(classifierInfo[InPort].(uint32)); portType == voltha.Port_PON_OLT { |
| if uniPort := utils.GetChildPortFromTunnelId(flow); uniPort != 0 { |
| classifierInfo[InPort] = uniPort |
| log.Debugw("upstream-pon-to-nni-port-flow, inport-in-tunnelid", log.Fields{"newInPort": actionInfo[OUTPUT].(uint32), |
| "outport": actionInfo[OUTPUT].(uint32)}) |
| } else { |
| log.Debug("upstream-pon-to-nni-port-flow, no-inport-in-tunnelid", log.Fields{"InPort": classifierInfo[InPort].(uint32), |
| "outPort": actionInfo[OUTPUT].(uint32)}) |
| return |
| } |
| } |
| } |
| log.Infow("Flow ports", log.Fields{"classifierInfo_inport": classifierInfo[InPort], "action_output": actionInfo[OUTPUT]}) |
| portNo, intfID, onuID, uniID := ExtractAccessFromFlow(classifierInfo[InPort].(uint32), actionInfo[OUTPUT].(uint32)) |
| if ipProto, ok := classifierInfo[IPProto]; ok { |
| if ipProto.(uint32) == IPProtoDhcp { |
| if udpSrc, ok := classifierInfo[UDPSrc]; ok { |
| if udpSrc.(uint32) == uint32(67) { |
| log.Debug("trap-dhcp-from-nni-flow") |
| f.addDHCPTrapFlowOnNNI(flow, classifierInfo, portNo) |
| return |
| } |
| } |
| } |
| } |
| f.divideAndAddFlow(intfID, onuID, uniID, portNo, classifierInfo, actionInfo, flow) |
| } |
| |
| func (f *OpenOltFlowMgr) updateClassifierInfo(field *ofp.OfpOxmOfbField, classifierInfo map[string]interface{}) { |
| if field.Type == utils.ETH_TYPE { |
| classifierInfo[EthType] = field.GetEthType() |
| log.Debug("field-type-eth-type", log.Fields{"classifierInfo[ETH_TYPE]": classifierInfo[EthType].(uint32)}) |
| } else if field.Type == utils.IP_PROTO { |
| classifierInfo[IPProto] = field.GetIpProto() |
| log.Debug("field-type-ip-proto", log.Fields{"classifierInfo[IP_PROTO]": classifierInfo[IPProto].(uint32)}) |
| } else if field.Type == utils.IN_PORT { |
| classifierInfo[InPort] = field.GetPort() |
| log.Debug("field-type-in-port", log.Fields{"classifierInfo[IN_PORT]": classifierInfo[InPort].(uint32)}) |
| } else if field.Type == utils.VLAN_VID { |
| classifierInfo[VlanVid] = field.GetVlanVid() |
| log.Debug("field-type-vlan-vid", log.Fields{"classifierInfo[VLAN_VID]": classifierInfo[VlanVid].(uint32)}) |
| } else if field.Type == utils.VLAN_PCP { |
| classifierInfo[VlanPcp] = field.GetVlanPcp() |
| log.Debug("field-type-vlan-pcp", log.Fields{"classifierInfo[VLAN_PCP]": classifierInfo[VlanPcp].(uint32)}) |
| } else if field.Type == utils.UDP_DST { |
| classifierInfo[UDPDst] = field.GetUdpDst() |
| log.Debug("field-type-udp-dst", log.Fields{"classifierInfo[UDP_DST]": classifierInfo[UDPDst].(uint32)}) |
| } else if field.Type == utils.UDP_SRC { |
| classifierInfo[UDPSrc] = field.GetUdpSrc() |
| log.Debug("field-type-udp-src", log.Fields{"classifierInfo[UDP_SRC]": classifierInfo[UDPSrc].(uint32)}) |
| } else if field.Type == utils.IPV4_DST { |
| classifierInfo[Ipv4Dst] = field.GetIpv4Dst() |
| log.Debug("field-type-ipv4-dst", log.Fields{"classifierInfo[IPV4_DST]": classifierInfo[Ipv4Dst].(uint32)}) |
| } else if field.Type == utils.IPV4_SRC { |
| classifierInfo[Ipv4Src] = field.GetIpv4Src() |
| log.Debug("field-type-ipv4-src", log.Fields{"classifierInfo[IPV4_SRC]": classifierInfo[Ipv4Src].(uint32)}) |
| } else if field.Type == utils.METADATA { |
| classifierInfo[METADATA] = field.GetTableMetadata() |
| log.Debug("field-type-metadata", log.Fields{"classifierInfo[METADATA]": classifierInfo[METADATA].(uint64)}) |
| } else if field.Type == utils.TUNNEL_ID { |
| classifierInfo[TunnelID] = field.GetTunnelId() |
| log.Debug("field-type-tunnelId", log.Fields{"classifierInfo[TUNNEL_ID]": classifierInfo[TunnelID].(uint64)}) |
| } else { |
| log.Errorw("Un supported field type", log.Fields{"type": field.Type}) |
| return |
| } |
| } |
| |
| func (f *OpenOltFlowMgr) updateFlowActionInfo(action *ofp.OfpAction, actionInfo map[string]interface{}, classifierInfo map[string]interface{}) { |
| if action.Type == utils.OUTPUT { |
| if out := action.GetOutput(); out != nil { |
| actionInfo[OUTPUT] = out.GetPort() |
| log.Debugw("action-type-output", log.Fields{"out_port": actionInfo[OUTPUT].(uint32)}) |
| } else { |
| log.Error("Invalid output port in action") |
| return |
| } |
| } else if action.Type == utils.POP_VLAN { |
| actionInfo[PopVlan] = true |
| log.Debugw("action-type-pop-vlan", log.Fields{"in_port": classifierInfo[InPort].(uint32)}) |
| } else if action.Type == utils.PUSH_VLAN { |
| if out := action.GetPush(); out != nil { |
| if tpid := out.GetEthertype(); tpid != 0x8100 { |
| log.Errorw("Invalid ethertype in push action", log.Fields{"ethertype": actionInfo[PushVlan].(int32)}) |
| } else { |
| actionInfo[PushVlan] = true |
| actionInfo[TPID] = tpid |
| log.Debugw("action-type-push-vlan", |
| log.Fields{"push_tpid": actionInfo[TPID].(uint32), "in_port": classifierInfo[InPort].(uint32)}) |
| } |
| } |
| } else if action.Type == utils.SET_FIELD { |
| if out := action.GetSetField(); out != nil { |
| if field := out.GetField(); field != nil { |
| if ofClass := field.GetOxmClass(); ofClass != ofp.OfpOxmClass_OFPXMC_OPENFLOW_BASIC { |
| log.Errorw("Invalid openflow class", log.Fields{"class": ofClass}) |
| return |
| } |
| /*log.Debugw("action-type-set-field",log.Fields{"field": field, "in_port": classifierInfo[IN_PORT].(uint32)})*/ |
| if ofbField := field.GetOfbField(); ofbField != nil { |
| if fieldtype := ofbField.GetType(); fieldtype == ofp.OxmOfbFieldTypes_OFPXMT_OFB_VLAN_VID { |
| if vlan := ofbField.GetVlanVid(); vlan != 0 { |
| actionInfo[VlanVid] = vlan & 0xfff |
| log.Debugw("action-set-vlan-vid", log.Fields{"actionInfo[VLAN_VID]": actionInfo[VlanVid].(uint32)}) |
| } else { |
| log.Error("No Invalid vlan id in set vlan-vid action") |
| } |
| } else { |
| log.Errorw("unsupported-action-set-field-type", log.Fields{"type": fieldtype}) |
| } |
| } |
| } |
| } |
| } else { |
| log.Errorw("Un supported action type", log.Fields{"type": action.Type}) |
| return |
| } |
| } |
| |
| //sendTPDownloadMsgToChild send payload |
| func (f *OpenOltFlowMgr) sendTPDownloadMsgToChild(intfID uint32, onuID uint32, uniID uint32, uni string) error { |
| |
| onuDevice, err := f.getOnuChildDevice(intfID, onuID) |
| if err != nil { |
| log.Errorw("Error while fetching Child device from core", log.Fields{"onuId": onuID}) |
| return err |
| } |
| log.Debugw("Got child device from OLT device handler", log.Fields{"device": *onuDevice}) |
| |
| tpPath := f.getTPpath(intfID, uni) |
| tpDownloadMsg := &ic.InterAdapterTechProfileDownloadMessage{UniId: uniID, Path: tpPath} |
| log.Infow("Sending Load-tech-profile-request-to-brcm-onu-adapter", log.Fields{"msg": *tpDownloadMsg}) |
| sendErr := f.deviceHandler.AdapterProxy.SendInterAdapterMessage(context.Background(), |
| tpDownloadMsg, |
| ic.InterAdapterMessageType_TECH_PROFILE_DOWNLOAD_REQUEST, |
| f.deviceHandler.deviceType, |
| onuDevice.Type, |
| onuDevice.Id, |
| onuDevice.ProxyAddress.DeviceId, "") |
| if sendErr != nil { |
| log.Errorw("send techprofile-download request error", log.Fields{"fromAdapter": f.deviceHandler.deviceType, |
| "toAdapter": onuDevice.Type, "onuId": onuDevice.Id, |
| "proxyDeviceId": onuDevice.ProxyAddress.DeviceId}) |
| return sendErr |
| } |
| log.Debugw("success Sending Load-tech-profile-request-to-brcm-onu-adapter", log.Fields{"msg": tpDownloadMsg}) |
| return nil |
| } |
| |
| //UpdateOnuInfo function adds onu info to cache |
| func (f *OpenOltFlowMgr) UpdateOnuInfo(intfID uint32, onuID uint32, serialNum string) { |
| onu := onuInfo{intfID: intfID, onuID: onuID, serialNumber: serialNum} |
| onuIDkey := onuIDKey{intfID: intfID, onuID: onuID} |
| f.onuIds[onuIDkey] = onu |
| log.Debugw("Updated onuinfo", log.Fields{"intfID": intfID, "onuID": onuID, "serialNum": serialNum}) |
| } |
| |
| //addGemPortToOnuInfoMap function stores adds GEMport to ONU map |
| func (f *OpenOltFlowMgr) addGemPortToOnuInfoMap(intfID uint32, onuID uint32, gemPort uint32) { |
| onuIDkey := onuIDKey{intfID: intfID, onuID: onuID} |
| if val, ok := f.onuIds[onuIDkey]; ok { |
| onuInfo := val |
| gemportKey := gemPortKey{intfID: intfID, gemPort: gemPort} |
| f.onuGemPortIds[gemportKey] = onuInfo |
| log.Debugw("Cached Gemport to Onuinfo map", log.Fields{"GemPort": gemPort, "intfId": onuInfo.intfID, "onuId": onuInfo.onuID}) |
| return |
| } |
| log.Errorw("OnuInfo not found", log.Fields{"intfId": intfID, "onuId": onuID, "gemPort": gemPort}) |
| } |
| |
| // This function Lookup maps by serialNumber or (intfId, gemPort) |
| |
| //getOnuIDfromGemPortMap Returns OnuID,nil if found or set 0,error if no onuId is found for serialNumber or (intfId, gemPort) |
| func (f *OpenOltFlowMgr) getOnuIDfromGemPortMap(serialNumber string, intfID uint32, gemPortID uint32) (uint32, error) { |
| log.Debugw("Getting ONU ID from GEM port and PON port", log.Fields{"serialNumber": serialNumber, "intfId": intfID, "gemPortId": gemPortID}) |
| if serialNumber != "" { |
| if onuInfo, ok := f.onuSerialNumbers[serialNumber]; ok { |
| return onuInfo.onuID, nil |
| } |
| } else { |
| gemportKey := gemPortKey{intfID: intfID, gemPort: gemPortID} |
| if onuInfo, ok := f.onuGemPortIds[gemportKey]; ok { |
| log.Debugw("Retrieved onu info from access", log.Fields{"intfId": intfID, "gemPortId": gemPortID, "onuId": onuInfo.onuID}) |
| return onuInfo.onuID, nil |
| } |
| } |
| log.Errorw("onuid is not found", log.Fields{"serialNumber": serialNumber, "intfId": intfID, "gemPort": gemPortID}) |
| return uint32(0), errors.New("key error, onuid is not found") // ONU ID 0 is not a valid one |
| } |
| |
| //GetLogicalPortFromPacketIn function computes logical port UNI/NNI port from packet-in indication and returns the same |
| func (f *OpenOltFlowMgr) GetLogicalPortFromPacketIn(packetIn *openoltpb2.PacketIndication) (uint32, error) { |
| var logicalPortNum uint32 |
| var onuID uint32 |
| var err error |
| |
| if packetIn.IntfType == "pon" { |
| // packet indication does not have serial number , so sending as nil |
| if onuID, err = f.getOnuIDfromGemPortMap("", packetIn.IntfId, packetIn.GemportId); err != nil { |
| log.Errorw("Unable to get ONU ID from GEM/PON port", log.Fields{"pon port": packetIn.IntfId, "gemport": packetIn.GemportId}) |
| return logicalPortNum, err |
| } |
| if packetIn.PortNo != 0 { |
| logicalPortNum = packetIn.PortNo |
| } else { |
| uniID := uint32(0) // FIXME - multi-uni support |
| logicalPortNum = MkUniPortNum(packetIn.IntfId, onuID, uniID) |
| } |
| // Store the gem port through which the packet_in came. Use the same gem port for packet_out |
| pktInkey := packetInInfoKey{intfID: packetIn.IntfId, onuID: onuID, logicalPort: logicalPortNum} |
| f.packetInGemPort[pktInkey] = packetIn.GemportId |
| } else if packetIn.IntfType == "nni" { |
| logicalPortNum = IntfIDToPortNo(packetIn.IntfId, voltha.Port_ETHERNET_NNI) |
| } |
| log.Debugw("Retrieved logicalport from packet-in", log.Fields{"logicalPortNum": logicalPortNum, "IntfType": packetIn.IntfType}) |
| return logicalPortNum, nil |
| } |
| |
| //GetPacketOutGemPortID returns gemPortId |
| func (f *OpenOltFlowMgr) GetPacketOutGemPortID(intfID uint32, onuID uint32, portNum uint32) (uint32, error) { |
| var gemPortID uint32 |
| var err error |
| key := packetInInfoKey{intfID: intfID, onuID: onuID, logicalPort: portNum} |
| if val, ok := f.packetInGemPort[key]; ok { |
| gemPortID = val |
| } else { |
| log.Errorw("Key-Error while fetching packet-out GEM port", log.Fields{"key": key}) |
| err = errors.New("key-error while fetching packet-out GEM port") |
| } |
| return gemPortID, err |
| } |
| |
| func (f *OpenOltFlowMgr) addDHCPTrapFlowOnNNI(logicalFlow *ofp.OfpFlowStats, classifier map[string]interface{}, portNo uint32) { |
| log.Debug("Adding trap-dhcp-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 DHCP 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 := f.deviceHandler.nniIntfID |
| flowStoreCookie := getFlowStoreCookie(classifier, uint32(0)) |
| if present := f.resourceMgr.IsFlowCookieOnKVStore(uint32(networkInterfaceID), uint32(onuID), uint32(uniID), flowStoreCookie); present { |
| log.Debug("Flow-exists--not-re-adding") |
| return |
| } |
| flowID, err := f.resourceMgr.GetFlowID(uint32(networkInterfaceID), uint32(onuID), uint32(uniID), flowStoreCookie, "") |
| if err != nil { |
| log.Errorw("Flow id unavailable for DHCP traponNNI flow", log.Fields{"error": err}) |
| return |
| } |
| var classifierProto *openoltpb2.Classifier |
| var actionProto *openoltpb2.Action |
| if classifierProto = makeOpenOltClassifierField(classifier); classifierProto == nil { |
| log.Error("Error in making classifier protobuf for dhcp trap on nni flow") |
| return |
| } |
| log.Debugw("Created classifier proto", log.Fields{"classifier": *classifierProto}) |
| if actionProto = makeOpenOltActionField(action); actionProto == nil { |
| log.Error("Error in making action protobuf for dhcp trap on nni flow") |
| return |
| } |
| log.Debugw("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: flowID, |
| 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 ok := f.addFlowToDevice(logicalFlow, &downstreamflow); ok { |
| log.Debug("DHCP trap on NNI flow added to device successfully") |
| flowsToKVStore := f.getUpdatedFlowInfo(&downstreamflow, flowStoreCookie, "", flowID) |
| if err := f.updateFlowInfoToKVStore(int32(networkInterfaceID), |
| int32(onuID), |
| int32(uniID), |
| flowID, flowsToKVStore); err != nil { |
| log.Errorw("Error uploading DHCP DL flow into KV store", log.Fields{"flow": downstreamflow, "error": err}) |
| } |
| } |
| return |
| } |