| /* |
| * 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 |
| |
| import ( |
| "context" |
| "crypto/md5" |
| "encoding/json" |
| "errors" |
| "fmt" |
| "math/big" |
| |
| rsrcMgr "github.com/opencord/voltha-go/adapters/openolt/adaptercore/resourcemanager" |
| "github.com/opencord/voltha-go/common/log" |
| tp "github.com/opencord/voltha-go/common/techprofile" |
| fd "github.com/opencord/voltha-go/rw_core/flow_decomposition" |
| ofp "github.com/opencord/voltha-protos/go/openflow_13" |
| openolt_pb2 "github.com/opencord/voltha-protos/go/openolt" |
| voltha "github.com/opencord/voltha-protos/go/voltha" |
| ) |
| |
| const ( |
| // Flow categories |
| HSIA_FLOW = "HSIA_FLOW" |
| EAPOL_FLOW = "EAPOL_FLOW" |
| |
| IP_PROTO_DHCP = 17 |
| |
| IP_PROTO_IGMP = 2 |
| |
| EAP_ETH_TYPE = 0x888e |
| LLDP_ETH_TYPE = 0x88cc |
| |
| IGMP_PROTO = 2 |
| |
| //FIXME - see also BRDCM_DEFAULT_VLAN in broadcom_onu.py |
| DEFAULT_MGMT_VLAN = 4091 |
| |
| DEFAULT_NETWORK_INTERFACE_ID = 0 |
| |
| // Openolt Flow |
| UPSTREAM = "upstream" |
| DOWNSTREAM = "downstream" |
| PACKET_TAG_TYPE = "pkt_tag_type" |
| UNTAGGED = "untagged" |
| SINGLE_TAG = "single_tag" |
| DOUBLE_TAG = "double_tag" |
| |
| // classifierInfo |
| ETH_TYPE = "eth_type" |
| TPID = "tpid" |
| IP_PROTO = "ip_proto" |
| IN_PORT = "in_port" |
| VLAN_VID = "vlan_vid" |
| VLAN_PCP = "vlan_pcp" |
| UDP_DST = "udp_dst" |
| UDP_SRC = "udp_src" |
| IPV4_DST = "ipv4_dst" |
| IPV4_SRC = "ipv4_src" |
| METADATA = "metadata" |
| OUTPUT = "output" |
| // Action |
| POP_VLAN = "pop_vlan" |
| PUSH_VLAN = "push_vlan" |
| TRAP_TO_HOST = "trap_to_host" |
| ) |
| |
| type OpenOltFlowMgr struct { |
| techprofile []*tp.TechProfileMgr |
| deviceHandler *DeviceHandler |
| resourceMgr *rsrcMgr.OpenOltResourceMgr |
| } |
| |
| 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 |
| } |
| log.Info("Initialization of flow manager success!!") |
| return &flowMgr |
| } |
| |
| 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[IP_PROTO]; ok { |
| if ipProto.(uint32) == IP_PROTO_DHCP { |
| log.Info("Adding DHCP flow") |
| f.addDHCPTrapFlow(intfId, onuId, uniId, portNo, classifierInfo, actionInfo, flow, allocId[0], gemPort) |
| } else if ipProto == IP_PROTO_IGMP { |
| 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[ETH_TYPE]; ok { |
| if ethType.(uint32) == EAP_ETH_TYPE { |
| log.Info("Adding EAPOL flow") |
| f.addEAPOLFlow(intfId, onuId, uniId, portNo, flow, allocId[0], gemPort, DEFAULT_MGMT_VLAN) |
| if vlan := getSubscriberVlan(fd.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 == LLDP_ETH_TYPE { |
| log.Info("Adding LLDP flow") |
| addLLDPFlow(flow, portNo) |
| } |
| } else if _, ok := actionInfo[PUSH_VLAN]; ok { |
| log.Info("Adding upstream data rule") |
| f.addUpstreamDataFlow(intfId, onuId, uniId, portNo, classifierInfo, actionInfo, flow, allocId[0], gemPort) |
| } else if _, ok := actionInfo[POP_VLAN]; 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); 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 |
| tech_profile_instance, 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 tech_profile_instance == nil { |
| log.Info("Creating tech profile instance", log.Fields{"path": tpPath}) |
| tech_profile_instance = f.techprofile[intfId].CreateTechProfInstance(tableID, uni, intfId) |
| if tech_profile_instance == 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 |
| us_scheduler := f.techprofile[intfId].GetUsScheduler(tech_profile_instance) |
| ds_scheduler := f.techprofile[intfId].GetDsScheduler(tech_profile_instance) |
| // Get TCONTS protos |
| tconts := f.techprofile[intfId].GetTconts(tech_profile_instance, us_scheduler, ds_scheduler) |
| 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(), |
| &openolt_pb2.Tconts{IntfId: intfId, |
| OnuId: onuId, |
| UniId: uniId, |
| PortNo: uniPort, |
| Tconts: tconts}); err != nil { |
| log.Error("Error while creating TCONT in device") |
| return nil, nil |
| } |
| allocID = append(allocID, tech_profile_instance.UsScheduler.AllocID) |
| for _, gem := range tech_profile_instance.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") |
| } |
| |
| 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) addDownstreamDataFlow(intfid uint32, onuid uint32, uniid uint32, portno uint32, classifier map[string]interface{}, action map[string]interface{}, logicalflow *ofp.OfpFlowStats, allocid uint32, gemportid uint32) { |
| |
| log.Info("Unimplemented") |
| |
| return |
| |
| } |
| |
| func (f *OpenOltFlowMgr) addUpstreamDataFlow(intfid uint32, onuid uint32, uniid uint32, portno uint32, classifier map[string]interface{}, action map[string]interface{}, logicalflow *ofp.OfpFlowStats, allocid uint32, gemportid uint32) { |
| |
| log.Info("Unimplemented") |
| 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) { |
| return |
| } |
| |
| // Add EAPOL to device |
| 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 openolt_pb2.Flow |
| var downstreamFlow openolt_pb2.Flow |
| |
| // Fill Classfier |
| uplinkClassifier[ETH_TYPE] = uint32(EAP_ETH_TYPE) |
| uplinkClassifier[PACKET_TAG_TYPE] = SINGLE_TAG |
| uplinkClassifier[VLAN_VID] = vlanId |
| // Fill action |
| uplinkAction[TRAP_TO_HOST] = true |
| flowStoreCookie := getFlowStoreCookie(uplinkClassifier, gemPortId) |
| //Add Uplink EAPOL Flow |
| uplinkFlowId, err := f.resourceMgr.GetFlowID(intfId, onuId, uniId, flowStoreCookie, "") |
| if err != nil { |
| log.Errorw("Error allocating flowID for UL EAPOL", log.Fields{"intfId": intfId, "onuId": onuId, "flowStoreCookie": flowStoreCookie}) |
| } |
| var classifierProto *openolt_pb2.Classifier |
| var actionProto *openolt_pb2.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}) |
| upstreamFlow = openolt_pb2.Flow{AccessIntfId: int32(intfId), |
| OnuId: int32(onuId), |
| UniId: int32(uniId), |
| FlowId: uplinkFlowId, |
| FlowType: UPSTREAM, |
| AllocId: int32(allocId), |
| NetworkIntfId: DEFAULT_NETWORK_INTERFACE_ID, // one NNI port is supported now |
| GemportId: int32(gemPortId), |
| Classifier: classifierProto, |
| Action: actionProto, |
| Priority: int32(logicalFlow.Priority), |
| Cookie: logicalFlow.Cookie, |
| PortNo: portNo} |
| if ok := f.addFlowToDevice(&upstreamFlow); ok { |
| log.Debug("EAPOL UL flow added to device successfully") |
| flowsToKVStore := f.getUpdatedFlowInfo(&upstreamFlow, flowStoreCookie, "EAPOL") |
| if err := f.updateFlowInfoToKVStore(upstreamFlow.AccessIntfId, |
| upstreamFlow.OnuId, |
| upstreamFlow.UniId, |
| upstreamFlow.FlowId, flowsToKVStore); err != nil { |
| log.Errorw("Error uploading EAPOL UL flow into KV store", log.Fields{"flow": upstreamFlow, "error": err}) |
| return |
| } |
| } |
| |
| if vlanId == DEFAULT_MGMT_VLAN { |
| /* 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[PACKET_TAG_TYPE] = SINGLE_TAG |
| downlinkClassifier[VLAN_VID] = uint32(specialVlanDlFlow) |
| // Fill action |
| downlinkAction[PUSH_VLAN] = true |
| downlinkAction[VLAN_VID] = vlanId |
| flowStoreCookie := getFlowStoreCookie(downlinkClassifier, gemPortId) |
| downlinkFlowId, err := f.resourceMgr.GetFlowID(intfId, onuId, uniId, flowStoreCookie, "") |
| if err != nil { |
| log.Errorw("Error allocating flowID 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 = openolt_pb2.Flow{AccessIntfId: int32(intfId), |
| OnuId: int32(onuId), |
| UniId: int32(uniId), |
| FlowId: downlinkFlowId, |
| FlowType: DOWNSTREAM, |
| AllocId: int32(allocId), |
| NetworkIntfId: DEFAULT_NETWORK_INTERFACE_ID, |
| GemportId: int32(gemPortId), |
| Classifier: classifierProto, |
| Action: actionProto, |
| Priority: int32(logicalFlow.Priority), |
| Cookie: logicalFlow.Cookie, |
| PortNo: portNo} |
| if ok := f.addFlowToDevice(&downstreamFlow); ok { |
| log.Debug("EAPOL DL flow added to device successfully") |
| flowsToKVStore := f.getUpdatedFlowInfo(&downstreamFlow, flowStoreCookie, "") |
| if err := f.updateFlowInfoToKVStore(downstreamFlow.AccessIntfId, |
| downstreamFlow.OnuId, |
| downstreamFlow.UniId, |
| downstreamFlow.FlowId, 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{}) *openolt_pb2.Classifier { |
| var classifier openolt_pb2.Classifier |
| if etherType, ok := classifierInfo[ETH_TYPE]; ok { |
| classifier.EthType = etherType.(uint32) |
| } |
| if ipProto, ok := classifierInfo[IP_PROTO]; ok { |
| classifier.IpProto = ipProto.(uint32) |
| } |
| if vlanId, ok := classifierInfo[VLAN_VID]; ok { |
| classifier.OVid = vlanId.(uint32) |
| } |
| if metadata, ok := classifierInfo[METADATA]; ok { |
| classifier.IVid = metadata.(uint32) |
| } |
| if vlanPcp, ok := classifierInfo[VLAN_PCP]; ok { |
| classifier.OPbits = vlanPcp.(uint32) |
| } |
| if udpSrc, ok := classifierInfo[UDP_SRC]; ok { |
| classifier.SrcPort = udpSrc.(uint32) |
| } |
| if udpDst, ok := classifierInfo[UDP_DST]; ok { |
| classifier.DstPort = udpDst.(uint32) |
| } |
| if ipv4Dst, ok := classifierInfo[IPV4_DST]; ok { |
| classifier.DstIp = ipv4Dst.(uint32) |
| } |
| if ipv4Src, ok := classifierInfo[IPV4_SRC]; ok { |
| classifier.SrcIp = ipv4Src.(uint32) |
| } |
| if pktTagType, ok := classifierInfo[PACKET_TAG_TYPE]; ok { |
| if pktTagType.(string) == SINGLE_TAG { |
| classifier.PktTagType = SINGLE_TAG |
| } else if pktTagType.(string) == DOUBLE_TAG { |
| classifier.PktTagType = DOUBLE_TAG |
| } 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{}) *openolt_pb2.Action { |
| var actionCmd openolt_pb2.ActionCmd |
| var action openolt_pb2.Action |
| action.Cmd = &actionCmd |
| if _, ok := actionInfo[POP_VLAN]; ok { |
| action.OVid = actionInfo[VLAN_VID].(uint32) |
| action.Cmd.RemoveOuterTag = true |
| } else if _, ok := actionInfo[PUSH_VLAN]; ok { |
| action.OVid = actionInfo[VLAN_VID].(uint32) |
| action.Cmd.AddOuterTag = true |
| } else if _, ok := actionInfo[TRAP_TO_HOST]; ok { |
| action.Cmd.TrapToHost = actionInfo[TRAP_TO_HOST].(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 *openolt_pb2.Flow, flowStoreCookie uint64, flowCategory string) *[]openolt_pb2.Flow { |
| var flows []openolt_pb2.Flow |
| /* FIXME: To be removed and identify way to get same flow ID for HSIA DL and UL flows |
| To get existing flow matching flow catogery or cookie |
| */ |
| /*flow.Category = flowCategory |
| flow.FlowStoreCookie = flowStoreCookie*/ |
| flows = append(flows, *flow) |
| // Get existing flow for flowid from KV store |
| //existingFlows := f.resourceMgr.GetFlowIDInfo(uint32(flow.AccessIntfId),uint32(flow.OnuId),uint32(flow.UniId),flow.FlowId) |
| /*existingFlows := nil |
| if existingFlows != nil{ |
| log.Debugw("Flow exists for given flowID, appending it",log.Fields{"flowID":flow.FlowId}) |
| for _,f := range *existingFlows{ |
| flows = append(flows,f) |
| } |
| }*/ |
| log.Debugw("Updated flows for given flowID", log.Fields{"updatedflow": flows, "flowid": flow.FlowId}) |
| return &flows |
| } |
| |
| func (f *OpenOltFlowMgr) updateFlowInfoToKVStore(intfId int32, onuId int32, uniId int32, flowId uint32, flows *[]openolt_pb2.Flow) error { |
| log.Debugw("Storing flow into KV store", log.Fields{"flows": *flows}) |
| /* FIXME: To implement API in resource mgr and invoke */ |
| /*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 into KV store successfully!") |
| */ |
| return nil |
| } |
| |
| func (f *OpenOltFlowMgr) addFlowToDevice(deviceFlow *openolt_pb2.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 successfuly ", 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") |
| } |
| func getUniPortPath(intfId uint32, onuId uint32, uniId uint32) string { |
| return fmt.Sprintf("pon-{%d}/onu-{%d}/uni-{%d}", intfId, onuId, uniId) |
| } |
| |
| func (f *OpenOltFlowMgr) getOnuChildDevice(intfId uint32, onuId uint32) *voltha.Device { |
| parentPortNo := IntfIdToPortNo(intfId, voltha.Port_PON_OLT) |
| ChildDevice := f.deviceHandler.GetChildDevice(parentPortNo, onuId) |
| if ChildDevice == nil { |
| log.Errorw("could-not-find-child-device", log.Fields{"parent_port_no": parentPortNo, "onuId": onuId}) |
| return nil |
| } |
| return ChildDevice |
| } |
| |
| func findNextFlow(flow *ofp.OfpFlowStats) *ofp.OfpFlowStats { |
| log.Info("Unimplemented") |
| return nil |
| } |
| |
| func getSubscriberVlan(inPort uint32) uint32 { |
| /* For EAPOL case we will use default VLAN , so will implement later if required */ |
| log.Info("Unimplemented") |
| return 0 |
| } |
| |
| func (f *OpenOltFlowMgr) clear_flows_and_scheduler_for_logical_port(childDevice *voltha.Device, logicalPort *voltha.LogicalPort) { |
| log.Info("Unimplemented") |
| } |
| |
| func (f *OpenOltFlowMgr) AddFlow(flow *ofp.OfpFlowStats) { |
| classifierInfo := make(map[string]interface{}, 0) |
| actionInfo := make(map[string]interface{}, 0) |
| log.Debug("Adding Flow", log.Fields{"flow": flow}) |
| for _, field := range fd.GetOfbFields(flow) { |
| if field.Type == fd.ETH_TYPE { |
| classifierInfo[ETH_TYPE] = field.GetEthType() |
| log.Debug("field-type-eth-type", log.Fields{"classifierInfo[ETH_TYPE]": classifierInfo[ETH_TYPE].(uint32)}) |
| } else if field.Type == fd.IP_PROTO { |
| classifierInfo[IP_PROTO] = field.GetIpProto() |
| log.Debug("field-type-ip-proto", log.Fields{"classifierInfo[IP_PROTO]": classifierInfo[IP_PROTO].(uint32)}) |
| } else if field.Type == fd.IN_PORT { |
| classifierInfo[IN_PORT] = field.GetPort() |
| log.Debug("field-type-in-port", log.Fields{"classifierInfo[IN_PORT]": classifierInfo[IN_PORT].(uint32)}) |
| } else if field.Type == fd.VLAN_VID { |
| classifierInfo[VLAN_VID] = field.GetVlanVid() |
| log.Debug("field-type-vlan-vid", log.Fields{"classifierInfo[VLAN_VID]": classifierInfo[VLAN_VID].(uint32)}) |
| } else if field.Type == fd.VLAN_PCP { |
| classifierInfo[VLAN_PCP] = field.GetVlanPcp() |
| log.Debug("field-type-vlan-pcp", log.Fields{"classifierInfo[VLAN_PCP]": classifierInfo[VLAN_PCP].(uint32)}) |
| } else if field.Type == fd.UDP_DST { |
| classifierInfo[UDP_DST] = field.GetUdpDst() |
| log.Debug("field-type-udp-dst", log.Fields{"classifierInfo[UDP_DST]": classifierInfo[UDP_DST].(uint32)}) |
| } else if field.Type == fd.UDP_SRC { |
| classifierInfo[UDP_SRC] = field.GetUdpSrc() |
| log.Debug("field-type-udp-src", log.Fields{"classifierInfo[UDP_SRC]": classifierInfo[UDP_SRC].(uint32)}) |
| } else if field.Type == fd.IPV4_DST { |
| classifierInfo[IPV4_DST] = field.GetIpv4Dst() |
| log.Debug("field-type-ipv4-dst", log.Fields{"classifierInfo[IPV4_DST]": classifierInfo[IPV4_DST].(uint32)}) |
| } else if field.Type == fd.IPV4_SRC { |
| classifierInfo[IPV4_SRC] = field.GetIpv4Src() |
| log.Debug("field-type-ipv4-src", log.Fields{"classifierInfo[IPV4_SRC]": classifierInfo[IPV4_SRC].(uint32)}) |
| } else if field.Type == fd.METADATA { |
| classifierInfo[METADATA] = field.GetTableMetadata() |
| log.Debug("field-type-metadata", log.Fields{"classifierInfo[METADATA]": classifierInfo[METADATA].(uint64)}) |
| } else { |
| log.Errorw("Un supported field type", log.Fields{"type": field.Type}) |
| return |
| } |
| } |
| for _, action := range fd.GetActions(flow) { |
| if action.Type == fd.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 == fd.POP_VLAN { |
| if gotoTable := fd.GetGotoTableId(flow); gotoTable == 0 { |
| log.Infow("action-type-pop-vlan, being taken care of by ONU", log.Fields{"flow": flow}) |
| actionInfo[POP_VLAN] = false |
| return |
| } |
| actionInfo[POP_VLAN] = true |
| log.Debugw("action-type-pop-vlan", log.Fields{"in_port": classifierInfo[IN_PORT].(uint32)}) |
| } else if action.Type == fd.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[PUSH_VLAN].(int32)}) |
| } else { |
| actionInfo[PUSH_VLAN] = true |
| actionInfo[TPID] = tpid |
| log.Debugw("action-type-push-vlan", |
| log.Fields{"push_tpid": actionInfo[TPID].(uint32), "in_port": classifierInfo[IN_PORT].(uint32)}) |
| } |
| } |
| } else if action.Type == fd.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[VLAN_VID] = vlan & 0xfff |
| log.Debugw("action-set-vlan-vid", log.Fields{"actionInfo[VLAN_VID]": actionInfo[VLAN_VID].(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 |
| } |
| } |
| if gotoTable := fd.GetGotoTableId(flow); gotoTable != 0 { |
| if actionInfo[POP_VLAN] == nil { |
| log.Infow("Go to table - action-type-pop-vlan, being taken care of by ONU", log.Fields{"flow": flow}) |
| return |
| } |
| } |
| /* NOTE: This condition will be true when core decompose and provides flows to respective devices separately */ |
| if _, ok := actionInfo[OUTPUT]; ok == false { |
| log.Debug("action-go-to-table, get next flow for outport details") |
| if _, ok := classifierInfo[METADATA]; ok { |
| if next_flow := findNextFlow(flow); next_flow == nil { |
| log.Debugw("No next flow found ", log.Fields{"classifier": classifierInfo, "flow": flow}) |
| return |
| } else { |
| actionInfo[OUTPUT] = fd.GetOutPort(next_flow) |
| log.Debugw("action-next-flow-outport", log.Fields{"actionInfo[OUTPUT]": actionInfo[OUTPUT].(uint32)}) |
| for _, field := range fd.GetOfbFields(next_flow) { |
| if field.Type == fd.VLAN_VID { |
| classifierInfo[METADATA] = field.GetVlanVid() & 0xfff |
| log.Debugw("next-flow-classifier-metadata", log.Fields{"classifierInfo[METADATA]": classifierInfo[METADATA].(uint64)}) |
| } |
| } |
| } |
| } |
| } |
| log.Infow("Flow ports", log.Fields{"classifierInfo_inport": classifierInfo[IN_PORT], "action_output": actionInfo[OUTPUT]}) |
| portNo, intfId, onuId, uniId := ExtractAccessFromFlow(classifierInfo[IN_PORT].(uint32), actionInfo[OUTPUT].(uint32)) |
| f.divideAndAddFlow(intfId, onuId, uniId, portNo, classifierInfo, actionInfo, flow) |
| } |
| |
| func (f *OpenOltFlowMgr) sendTPDownloadMsgToChild(intfId uint32, onuId uint32, uniId uint32, uni string) bool { |
| |
| onuDevice := f.getOnuChildDevice(intfId, onuId) |
| if onuDevice == nil { |
| log.Error("Error while fetching Child device from core", log.Fields{"onuId": onuId}) |
| return false |
| } |
| log.Debugw("Retrived child device from OLT device handler", log.Fields{"device": *onuDevice}) |
| tpPath := f.getTPpath(intfId, uni) |
| log.Infow("Load-tech-profile-request-to-brcm-handler", log.Fields{"path": tpPath}) |
| /* TODO : "Send Event message to ONU device via proxy to download tech profile in go routine |
| msg = {'proxy_address': onuDevice.proxyAddress, 'uniId': uniId, |
| 'event': 'download_tech_profile', 'event_data': tp_path} |
| //Send the event message to the ONU adapter |
| self.adapter_agent.publish_inter_adapter_message(onu_device.id,msg) |
| */ |
| return true |
| |
| } |