VOL-1377-802.1x EAPOL flow addition updated code changes after some cleanup
Change-Id: Ie15675d9e2b3cc7c594edf0626702db264bb584a
diff --git a/adaptercore/openolt_flowmgr.go b/adaptercore/openolt_flowmgr.go
new file mode 100644
index 0000000..8d90fd8
--- /dev/null
+++ b/adaptercore/openolt_flowmgr.go
@@ -0,0 +1,749 @@
+/*
+ * 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
+
+}