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/*
* 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 core provides the utility for olt devices, flows and statistics
package core
import (
"context"
"crypto/md5"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"math/big"
"strings"
"sync"
"time"
"github.com/opencord/voltha-lib-go/v3/pkg/flows"
"github.com/opencord/voltha-lib-go/v3/pkg/log"
tp "github.com/opencord/voltha-lib-go/v3/pkg/techprofile"
rsrcMgr "github.com/opencord/voltha-openolt-adapter/internal/pkg/resourcemanager"
"github.com/opencord/voltha-protos/v3/go/common"
ic "github.com/opencord/voltha-protos/v3/go/inter_container"
ofp "github.com/opencord/voltha-protos/v3/go/openflow_13"
openoltpb2 "github.com/opencord/voltha-protos/v3/go/openolt"
tp_pb "github.com/opencord/voltha-protos/v3/go/tech_profile"
"github.com/opencord/voltha-protos/v3/go/voltha"
//deepcopy "github.com/getlantern/deepcopy"
"github.com/EagleChen/mapmutex"
"github.com/opencord/voltha-openolt-adapter/internal/pkg/olterrors"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
const (
// Flow categories
//HsiaFlow flow category
HsiaFlow = "HSIA_FLOW"
//EapolFlow flow category
EapolFlow = "EAPOL_FLOW"
//DhcpFlow flow category
DhcpFlow = "DHCP_FLOW"
//MulticastFlow flow category
MulticastFlow = "MULTICAST_FLOW"
//IgmpFlow flow category
IgmpFlow = "IGMP_FLOW"
//IPProtoDhcp flow category
IPProtoDhcp = 17
//IPProtoIgmp flow category
IPProtoIgmp = 2
//EapEthType eapethtype value
EapEthType = 0x888e
//LldpEthType lldp ethtype value
LldpEthType = 0x88cc
//IPv4EthType IPv4 ethernet type value
IPv4EthType = 0x800
//IgmpProto proto value
IgmpProto = 2
//ReservedVlan Transparent Vlan (Masked Vlan, VLAN_ANY in ONOS Flows)
ReservedVlan = 4096
//DefaultMgmtVlan default vlan value
DefaultMgmtVlan = 4091
// Openolt Flow
//Upstream constant
Upstream = "upstream"
//Downstream constant
Downstream = "downstream"
//Multicast constant
Multicast = "multicast"
//PacketTagType constant
PacketTagType = "pkt_tag_type"
//Untagged constant
Untagged = "untagged"
//SingleTag constant
SingleTag = "single_tag"
//DoubleTag constant
DoubleTag = "double_tag"
// classifierInfo
//EthType constant
EthType = "eth_type"
//EthDst constant
EthDst = "eth_dst"
//TPID constant
TPID = "tpid"
//IPProto constant
IPProto = "ip_proto"
//InPort constant
InPort = "in_port"
//VlanVid constant
VlanVid = "vlan_vid"
//VlanPcp constant
VlanPcp = "vlan_pcp"
//UDPDst constant
UDPDst = "udp_dst"
//UDPSrc constant
UDPSrc = "udp_src"
//Ipv4Dst constant
Ipv4Dst = "ipv4_dst"
//Ipv4Src constant
Ipv4Src = "ipv4_src"
//Metadata constant
Metadata = "metadata"
//TunnelID constant
TunnelID = "tunnel_id"
//Output constant
Output = "output"
//GroupID constant
GroupID = "group_id"
// Actions
//PopVlan constant
PopVlan = "pop_vlan"
//PushVlan constant
PushVlan = "push_vlan"
//TrapToHost constant
TrapToHost = "trap_to_host"
//MaxMeterBand constant
MaxMeterBand = 2
//VlanPCPMask contant
VlanPCPMask = 0xFF
//VlanvIDMask constant
VlanvIDMask = 0xFFF
//IntfID constant
IntfID = "intfId"
//OnuID constant
OnuID = "onuId"
//UniID constant
UniID = "uniId"
//PortNo constant
PortNo = "portNo"
//AllocID constant
AllocID = "allocId"
//NoneOnuID constant
NoneOnuID = -1
//NoneUniID constant
NoneUniID = -1
//NoneGemPortID constant
NoneGemPortID = -1
// BinaryStringPrefix is binary string prefix
BinaryStringPrefix = "0b"
// BinaryBit1 is binary bit 1 expressed as a character
BinaryBit1 = '1'
)
type gemPortKey struct {
intfID uint32
gemPort uint32
}
type pendingFlowDeleteKey struct {
intfID uint32
onuID uint32
uniID uint32
}
type tpLockKey struct {
intfID uint32
onuID uint32
uniID uint32
}
type schedQueue struct {
direction tp_pb.Direction
intfID uint32
onuID uint32
uniID uint32
tpID uint32
uniPort uint32
tpInst interface{}
meterID uint32
flowMetadata *voltha.FlowMetadata
}
type queueInfoBrief struct {
gemPortID uint32
servicePriority uint32
}
//OpenOltFlowMgr creates the Structure of OpenOltFlowMgr obj
type OpenOltFlowMgr struct {
techprofile map[uint32]tp.TechProfileIf
deviceHandler *DeviceHandler
resourceMgr *rsrcMgr.OpenOltResourceMgr
onuIdsLock sync.RWMutex
flowsUsedByGemPort map[gemPortKey][]uint32 //gem port id to flow ids
packetInGemPort map[rsrcMgr.PacketInInfoKey]uint32 //packet in gem port local cache
// TODO create a type rsrcMgr.OnuGemInfos to be used instead of []rsrcMgr.OnuGemInfo
onuGemInfo map[uint32][]rsrcMgr.OnuGemInfo //onu, gem and uni info local cache, indexed by IntfId
// We need to have a global lock on the onuGemInfo map
onuGemInfoLock sync.RWMutex
pendingFlowDelete sync.Map
// The mapmutex.Mutex can be fine tuned to use mapmutex.NewCustomizedMapMutex
perUserFlowHandleLock *mapmutex.Mutex
interfaceToMcastQueueMap map[uint32]*queueInfoBrief /*pon interface -> multicast queue map. Required to assign GEM to a bucket during group population*/
}
//NewFlowManager creates OpenOltFlowMgr object and initializes the parameters
func NewFlowManager(ctx context.Context, dh *DeviceHandler, rMgr *rsrcMgr.OpenOltResourceMgr) *OpenOltFlowMgr {
logger.Infow("initializing-flow-manager", log.Fields{"device-id": dh.device.Id})
var flowMgr OpenOltFlowMgr
var err error
var idx uint32
flowMgr.deviceHandler = dh
flowMgr.resourceMgr = rMgr
flowMgr.techprofile = make(map[uint32]tp.TechProfileIf)
if err = flowMgr.populateTechProfilePerPonPort(); err != nil {
logger.Errorw("error-while-populating-tech-profile-mgr", log.Fields{"error": err})
return nil
}
flowMgr.onuIdsLock = sync.RWMutex{}
flowMgr.flowsUsedByGemPort = make(map[gemPortKey][]uint32)
flowMgr.packetInGemPort = make(map[rsrcMgr.PacketInInfoKey]uint32)
ponPorts := rMgr.DevInfo.GetPonPorts()
flowMgr.onuGemInfo = make(map[uint32][]rsrcMgr.OnuGemInfo, ponPorts)
//Load the onugem info cache from kv store on flowmanager start
for idx = 0; idx < ponPorts; idx++ {
if flowMgr.onuGemInfo[idx], err = rMgr.GetOnuGemInfo(ctx, idx); err != nil {
logger.Error("failed-to-load-onu-gem-info-cache")
}
//Load flowID list per gem map per interface from the kvstore.
flowMgr.loadFlowIDlistForGem(ctx, idx)
}
flowMgr.onuGemInfoLock = sync.RWMutex{}
flowMgr.pendingFlowDelete = sync.Map{}
flowMgr.perUserFlowHandleLock = mapmutex.NewCustomizedMapMutex(300, 100000000, 10000000, 1.1, 0.2)
flowMgr.interfaceToMcastQueueMap = make(map[uint32]*queueInfoBrief)
//load interface to multicast queue map from kv store
flowMgr.loadInterfaceToMulticastQueueMap(ctx)
logger.Info("initialization-of-flow-manager-success")
return &flowMgr
}
func (f *OpenOltFlowMgr) generateStoredFlowID(flowID uint32, direction string) (uint64, error) {
if direction == Upstream {
logger.Debugw("upstream-flow-shifting-id", log.Fields{"device-id": f.deviceHandler.device.Id})
return 0x1<<15 | uint64(flowID), nil
} else if direction == Downstream {
logger.Debugw("downstream-flow-not-shifting-id", log.Fields{"device-id": f.deviceHandler.device.Id})
return uint64(flowID), nil
} else if direction == Multicast {
logger.Debugw("multicast-flow-shifting-id", log.Fields{"device-id": f.deviceHandler.device.Id})
return 0x2<<15 | uint64(flowID), nil
} else {
return 0, olterrors.NewErrInvalidValue(log.Fields{"direction": direction}, nil).Log()
}
}
func (f *OpenOltFlowMgr) registerFlow(ctx context.Context, flowFromCore *ofp.OfpFlowStats, deviceFlow *openoltpb2.Flow) {
logger.Debugw("registering-flow-for-device ",
log.Fields{
"flow": flowFromCore,
"device-id": f.deviceHandler.device.Id})
gemPK := gemPortKey{uint32(deviceFlow.AccessIntfId), uint32(deviceFlow.GemportId)}
flowIDList, ok := f.flowsUsedByGemPort[gemPK]
if !ok {
flowIDList = []uint32{deviceFlow.FlowId}
}
flowIDList = appendUnique(flowIDList, deviceFlow.FlowId)
f.flowsUsedByGemPort[gemPK] = flowIDList
// update the flowids for a gem to the KVstore
f.resourceMgr.UpdateFlowIDsForGem(ctx, uint32(deviceFlow.AccessIntfId), uint32(deviceFlow.GemportId), flowIDList)
}
func (f *OpenOltFlowMgr) divideAndAddFlow(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, portNo uint32,
classifierInfo map[string]interface{}, actionInfo map[string]interface{}, flow *ofp.OfpFlowStats, TpID uint32,
UsMeterID uint32, DsMeterID uint32, flowMetadata *voltha.FlowMetadata) {
var allocID uint32
var gemPorts []uint32
var TpInst interface{}
logger.Infow("dividing-flow", log.Fields{
"device-id": f.deviceHandler.device.Id,
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID,
"port-no": portNo,
"classifier": classifierInfo,
"action": actionInfo,
"usmeter-iD": UsMeterID,
"dsmeter-iD": DsMeterID,
"tp-id": TpID})
// only create tcont/gemports if there is actually an onu id. otherwise BAL throws an error. Usually this
// is because the flow is an NNI flow and there would be no onu resources associated with it
// TODO: properly deal with NNI flows
if onuID <= 0 {
logger.Errorw("no-onu-id-for-flow",
log.Fields{
"port-no": portNo,
"classifer": classifierInfo,
"action": actionInfo,
"device-id": f.deviceHandler.device.Id})
return
}
uni := getUniPortPath(f.deviceHandler.device.Id, intfID, int32(onuID), int32(uniID))
logger.Debugw("uni-port-path", log.Fields{
"uni": uni,
"device-id": f.deviceHandler.device.Id})
tpLockMapKey := tpLockKey{intfID, onuID, uniID}
if f.perUserFlowHandleLock.TryLock(tpLockMapKey) {
logger.Debugw("dividing-flow-create-tcont-gem-ports", log.Fields{
"device-id": f.deviceHandler.device.Id,
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID,
"port-no": portNo,
"classifier": classifierInfo,
"action": actionInfo,
"usmeter-id": UsMeterID,
"dsmeter-id": DsMeterID,
"tp-id": TpID})
allocID, gemPorts, TpInst = f.createTcontGemports(ctx, intfID, onuID, uniID, uni, portNo, TpID, UsMeterID, DsMeterID, flowMetadata)
if allocID == 0 || gemPorts == nil || TpInst == nil {
logger.Error("alloc-id-gem-ports-tp-unavailable")
f.perUserFlowHandleLock.Unlock(tpLockMapKey)
return
}
args := make(map[string]uint32)
args[IntfID] = intfID
args[OnuID] = onuID
args[UniID] = uniID
args[PortNo] = portNo
args[AllocID] = allocID
/* Flows can be added specific to gemport if p-bits are received.
* If no pbit mentioned then adding flows for all gemports
*/
f.checkAndAddFlow(ctx, args, classifierInfo, actionInfo, flow, TpInst, gemPorts, TpID, uni)
f.perUserFlowHandleLock.Unlock(tpLockMapKey)
} else {
logger.Errorw("failed-to-acquire-per-user-flow-handle-lock",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID,
"flow-id": flow.Id,
"flow-cookie": flow.Cookie,
"device-id": f.deviceHandler.device.Id})
return
}
}
// CreateSchedulerQueues creates traffic schedulers on the device with the given scheduler configuration and traffic shaping info
func (f *OpenOltFlowMgr) CreateSchedulerQueues(ctx context.Context, sq schedQueue) error {
logger.Debugw("CreateSchedulerQueues",
log.Fields{"dir": sq.direction,
"intf-id": sq.intfID,
"onu-id": sq.onuID,
"uni-id": sq.uniID,
"tp-id": sq.tpID,
"meter-id": sq.meterID,
"tp-inst": sq.tpInst,
"flowmetadata": sq.flowMetadata,
"device-id": f.deviceHandler.device.Id})
Direction, err := verifyMeterIDAndGetDirection(sq.meterID, sq.direction)
if err != nil {
return err
}
/* Lets make a simple assumption that if the meter-id is present on the KV store,
* then the scheduler and queues configuration is applied on the OLT device
* in the given direction.
*/
var SchedCfg *tp_pb.SchedulerConfig
KvStoreMeter, err := f.resourceMgr.GetMeterIDForOnu(ctx, Direction, sq.intfID, sq.onuID, sq.uniID, sq.tpID)
if err != nil {
return olterrors.NewErrNotFound("meter",
log.Fields{"intf-id": sq.intfID,
"onu-id": sq.onuID,
"uni-id": sq.uniID,
"device-id": f.deviceHandler.device.Id}, err)
}
if KvStoreMeter != nil {
if KvStoreMeter.MeterId == sq.meterID {
logger.Debugw("scheduler-already-created-for-upstream", log.Fields{"device-id": f.deviceHandler.device.Id})
return nil
}
return olterrors.NewErrInvalidValue(log.Fields{
"unsupported": "meter-id",
"kv-store-meter-id": KvStoreMeter.MeterId,
"meter-id-in-flow": sq.meterID,
"device-id": f.deviceHandler.device.Id}, nil)
}
logger.Debugw("meter-does-not-exist-creating-new",
log.Fields{
"meter-id": sq.meterID,
"direction": Direction,
"device-id": f.deviceHandler.device.Id})
if sq.direction == tp_pb.Direction_UPSTREAM {
SchedCfg, err = f.techprofile[sq.intfID].GetUsScheduler(sq.tpInst.(*tp.TechProfile))
} else if sq.direction == tp_pb.Direction_DOWNSTREAM {
SchedCfg, err = f.techprofile[sq.intfID].GetDsScheduler(sq.tpInst.(*tp.TechProfile))
}
if err != nil {
return olterrors.NewErrNotFound("scheduler-config",
log.Fields{
"intf-id": sq.intfID,
"direction": sq.direction,
"tp-inst": sq.tpInst,
"device-id": f.deviceHandler.device.Id}, err)
}
var meterConfig *ofp.OfpMeterConfig
if sq.flowMetadata != nil {
for _, meter := range sq.flowMetadata.Meters {
if sq.meterID == meter.MeterId {
meterConfig = meter
logger.Debugw("found-meter-config-from-flowmetadata",
log.Fields{"meterConfig": meterConfig,
"device-id": f.deviceHandler.device.Id})
break
}
}
} else {
logger.Errorw("flow-metadata-not-present-in-flow", log.Fields{"device-id": f.deviceHandler.device.Id})
}
if meterConfig == nil {
return olterrors.NewErrNotFound("meterbands", log.Fields{
"reason": "Could-not-get-meterbands-from-flowMetadata",
"flow-metadata": sq.flowMetadata,
"meter-id": sq.meterID,
"device-id": f.deviceHandler.device.Id}, nil)
} else if len(meterConfig.Bands) < MaxMeterBand {
logger.Errorw("invalid-number-of-bands-in-meter",
log.Fields{"Bands": meterConfig.Bands,
"meter-id": sq.meterID,
"device-id": f.deviceHandler.device.Id})
return olterrors.NewErrInvalidValue(log.Fields{
"reason": "Invalid-number-of-bands-in-meter",
"meterband-count": len(meterConfig.Bands),
"metabands": meterConfig.Bands,
"meter-id": sq.meterID,
"device-id": f.deviceHandler.device.Id}, nil)
}
cir := meterConfig.Bands[0].Rate
cbs := meterConfig.Bands[0].BurstSize
eir := meterConfig.Bands[1].Rate
ebs := meterConfig.Bands[1].BurstSize
pir := cir + eir
pbs := cbs + ebs
TrafficShaping := &tp_pb.TrafficShapingInfo{Cir: cir, Cbs: cbs, Pir: pir, Pbs: pbs}
TrafficSched := []*tp_pb.TrafficScheduler{f.techprofile[sq.intfID].GetTrafficScheduler(sq.tpInst.(*tp.TechProfile), SchedCfg, TrafficShaping)}
TrafficSched[0].TechProfileId = sq.tpID
if err := f.pushSchedulerQueuesToDevice(ctx, sq, TrafficShaping, TrafficSched); err != nil {
return olterrors.NewErrAdapter("failure-pushing-traffic-scheduler-and-queues-to-device",
log.Fields{"intf-id": sq.intfID,
"direction": sq.direction,
"device-id": f.deviceHandler.device.Id}, err)
}
/* After we successfully applied the scheduler configuration on the OLT device,
* store the meter id on the KV store, for further reference.
*/
if err := f.resourceMgr.UpdateMeterIDForOnu(ctx, Direction, sq.intfID, sq.onuID, sq.uniID, sq.tpID, meterConfig); err != nil {
return olterrors.NewErrAdapter("failed-updating-meter-id",
log.Fields{"onu-id": sq.onuID,
"meter-id": sq.meterID,
"device-id": f.deviceHandler.device.Id}, err)
}
logger.Infow("updated-meter-info-into-kv-store-successfully",
log.Fields{"direction": Direction,
"Meter": meterConfig,
"device-id": f.deviceHandler.device.Id})
return nil
}
func (f *OpenOltFlowMgr) pushSchedulerQueuesToDevice(ctx context.Context, sq schedQueue, TrafficShaping *tp_pb.TrafficShapingInfo, TrafficSched []*tp_pb.TrafficScheduler) error {
trafficQueues, err := f.techprofile[sq.intfID].GetTrafficQueues(sq.tpInst.(*tp.TechProfile), sq.direction)
if err != nil {
return olterrors.NewErrAdapter("unable-to-construct-traffic-queue-configuration",
log.Fields{"intf-id": sq.intfID,
"direction": sq.direction,
"device-id": f.deviceHandler.device.Id}, err)
}
logger.Debugw("sending-traffic-scheduler-create-to-device",
log.Fields{
"direction": sq.direction,
"TrafficScheds": TrafficSched,
"device-id": f.deviceHandler.device.Id})
if _, err := f.deviceHandler.Client.CreateTrafficSchedulers(ctx, &tp_pb.TrafficSchedulers{
IntfId: sq.intfID, OnuId: sq.onuID,
UniId: sq.uniID, PortNo: sq.uniPort,
TrafficScheds: TrafficSched}); err != nil {
return olterrors.NewErrAdapter("failed-to-create-traffic-schedulers-in-device", log.Fields{"TrafficScheds": TrafficSched}, err)
}
logger.Infow("successfully-created-traffic-schedulers", log.Fields{
"direction": sq.direction,
"traffic-queues": trafficQueues,
"device-id": f.deviceHandler.device.Id})
// On receiving the CreateTrafficQueues request, the driver should create corresponding
// downstream queues.
logger.Debugw("sending-traffic-queues-create-to-device",
log.Fields{"direction": sq.direction,
"traffic-queues": trafficQueues,
"device-id": f.deviceHandler.device.Id})
if _, err := f.deviceHandler.Client.CreateTrafficQueues(ctx,
&tp_pb.TrafficQueues{IntfId: sq.intfID, OnuId: sq.onuID,
UniId: sq.uniID, PortNo: sq.uniPort,
TrafficQueues: trafficQueues,
TechProfileId: TrafficSched[0].TechProfileId}); err != nil {
return olterrors.NewErrAdapter("failed-to-create-traffic-queues-in-device", log.Fields{"traffic-queues": trafficQueues}, err)
}
logger.Infow("successfully-created-traffic-schedulers", log.Fields{
"direction": sq.direction,
"traffic-queues": trafficQueues,
"device-id": f.deviceHandler.device.Id})
if sq.direction == tp_pb.Direction_DOWNSTREAM {
multicastTrafficQueues := f.techprofile[sq.intfID].GetMulticastTrafficQueues(sq.tpInst.(*tp.TechProfile))
if len(multicastTrafficQueues) > 0 {
if _, present := f.interfaceToMcastQueueMap[sq.intfID]; !present {
//assumed that there is only one queue per PON for the multicast service
//the default queue with multicastQueuePerPonPort.Priority per a pon interface is used for multicast service
//just put it in interfaceToMcastQueueMap to use for building group members
logger.Debugw("multicast-traffic-queues", log.Fields{"device-id": f.deviceHandler.device.Id})
multicastQueuePerPonPort := multicastTrafficQueues[0]
f.interfaceToMcastQueueMap[sq.intfID] = &queueInfoBrief{
gemPortID: multicastQueuePerPonPort.GemportId,
servicePriority: multicastQueuePerPonPort.Priority,
}
//also store the queue info in kv store
f.resourceMgr.AddMcastQueueForIntf(ctx, sq.intfID,
multicastQueuePerPonPort.GemportId,
multicastQueuePerPonPort.Priority)
logger.Infow("multicast-queues-successfully-updated", log.Fields{"device-id": f.deviceHandler.device.Id})
}
}
}
return nil
}
// RemoveSchedulerQueues removes the traffic schedulers from the device based on the given scheduler configuration and traffic shaping info
func (f *OpenOltFlowMgr) RemoveSchedulerQueues(ctx context.Context, sq schedQueue) error {
var Direction string
var SchedCfg *tp_pb.SchedulerConfig
var err error
logger.Infow("removing-schedulers-and-queues-in-olt",
log.Fields{
"direction": sq.direction,
"intf-id": sq.intfID,
"onu-id": sq.onuID,
"uni-id": sq.uniID,
"uni-port": sq.uniPort,
"device-id": f.deviceHandler.device.Id})
if sq.direction == tp_pb.Direction_UPSTREAM {
SchedCfg, err = f.techprofile[sq.intfID].GetUsScheduler(sq.tpInst.(*tp.TechProfile))
Direction = "upstream"
} else if sq.direction == tp_pb.Direction_DOWNSTREAM {
SchedCfg, err = f.techprofile[sq.intfID].GetDsScheduler(sq.tpInst.(*tp.TechProfile))
Direction = "downstream"
}
if err != nil {
return olterrors.NewErrNotFound("scheduler-config",
log.Fields{
"int-id": sq.intfID,
"direction": sq.direction,
"device-id": f.deviceHandler.device.Id}, err)
}
KVStoreMeter, err := f.resourceMgr.GetMeterIDForOnu(ctx, Direction, sq.intfID, sq.onuID, sq.uniID, sq.tpID)
if err != nil {
return olterrors.NewErrNotFound("meter",
log.Fields{
"onu-id": sq.onuID,
"device-id": f.deviceHandler.device.Id}, err)
}
if KVStoreMeter == nil {
logger.Warnw("no-meter-installed-yet",
log.Fields{
"direction": Direction,
"intf-id": sq.intfID,
"onu-id": sq.onuID,
"uni-id": sq.uniID,
"device-id": f.deviceHandler.device.Id})
return nil
}
cir := KVStoreMeter.Bands[0].Rate
cbs := KVStoreMeter.Bands[0].BurstSize
eir := KVStoreMeter.Bands[1].Rate
ebs := KVStoreMeter.Bands[1].BurstSize
pir := cir + eir
pbs := cbs + ebs
TrafficShaping := &tp_pb.TrafficShapingInfo{Cir: cir, Cbs: cbs, Pir: pir, Pbs: pbs}
TrafficSched := []*tp_pb.TrafficScheduler{f.techprofile[sq.intfID].GetTrafficScheduler(sq.tpInst.(*tp.TechProfile), SchedCfg, TrafficShaping)}
TrafficSched[0].TechProfileId = sq.tpID
TrafficQueues, err := f.techprofile[sq.intfID].GetTrafficQueues(sq.tpInst.(*tp.TechProfile), sq.direction)
if err != nil {
return olterrors.NewErrAdapter("unable-to-construct-traffic-queue-configuration",
log.Fields{
"intf-id": sq.intfID,
"direction": sq.direction,
"device-id": f.deviceHandler.device.Id}, err)
}
if _, err = f.deviceHandler.Client.RemoveTrafficQueues(ctx,
&tp_pb.TrafficQueues{IntfId: sq.intfID, OnuId: sq.onuID,
UniId: sq.uniID, PortNo: sq.uniPort,
TrafficQueues: TrafficQueues,
TechProfileId: TrafficSched[0].TechProfileId}); err != nil {
return olterrors.NewErrAdapter("unable-to-remove-traffic-queues-from-device",
log.Fields{
"intf-id": sq.intfID,
"traffic-queues": TrafficQueues,
"device-id": f.deviceHandler.device.Id}, err)
}
logger.Infow("removed-traffic-queues-successfully", log.Fields{"device-id": f.deviceHandler.device.Id})
if _, err = f.deviceHandler.Client.RemoveTrafficSchedulers(ctx, &tp_pb.TrafficSchedulers{
IntfId: sq.intfID, OnuId: sq.onuID,
UniId: sq.uniID, PortNo: sq.uniPort,
TrafficScheds: TrafficSched}); err != nil {
return olterrors.NewErrAdapter("unable-to-remove-traffic-schedulers-from-device",
log.Fields{
"intf-id": sq.intfID,
"traffic-schedulers": TrafficSched}, err)
}
logger.Infow("removed-traffic-schedulers-successfully", log.Fields{"device-id": f.deviceHandler.device.Id})
/* After we successfully remove the scheduler configuration on the OLT device,
* delete the meter id on the KV store.
*/
err = f.resourceMgr.RemoveMeterIDForOnu(ctx, Direction, sq.intfID, sq.onuID, sq.uniID, sq.tpID)
if err != nil {
return olterrors.NewErrAdapter("unable-to-remove-meter",
log.Fields{
"onu": sq.onuID,
"meter": KVStoreMeter.MeterId,
"device-id": f.deviceHandler.device.Id}, err)
}
logger.Infow("removed-meter-from-KV-store-successfully",
log.Fields{
"meter-id": KVStoreMeter.MeterId,
"dir": Direction,
"device-id": f.deviceHandler.device.Id})
return err
}
// This function allocates tconts and GEM ports for an ONU
func (f *OpenOltFlowMgr) createTcontGemports(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, uni string, uniPort uint32, TpID uint32, UsMeterID uint32, DsMeterID uint32, flowMetadata *voltha.FlowMetadata) (uint32, []uint32, interface{}) {
var allocIDs []uint32
var allgemPortIDs []uint32
var gemPortIDs []uint32
tpInstanceExists := false
var err error
allocIDs = f.resourceMgr.GetCurrentAllocIDsForOnu(ctx, intfID, onuID, uniID)
allgemPortIDs = f.resourceMgr.GetCurrentGEMPortIDsForOnu(ctx, intfID, onuID, uniID)
tpPath := f.getTPpath(intfID, uni, TpID)
logger.Debugw("creating-new-tcont-and-gem", log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID,
"device-id": f.deviceHandler.device.Id,
"tp-id": TpID})
// Check tech profile instance already exists for derived port name
techProfileInstance, _ := f.techprofile[intfID].GetTPInstanceFromKVStore(ctx, TpID, tpPath)
if techProfileInstance == nil {
logger.Infow("tp-instance-not-found--creating-new",
log.Fields{
"path": tpPath,
"device-id": f.deviceHandler.device.Id})
techProfileInstance, err = f.techprofile[intfID].CreateTechProfInstance(ctx, TpID, uni, intfID)
if err != nil {
// This should not happen, something wrong in KV backend transaction
logger.Errorw("tp-instance-create-failed",
log.Fields{
"error": err,
"tp-id": TpID,
"device-id": f.deviceHandler.device.Id})
return 0, nil, nil
}
f.resourceMgr.UpdateTechProfileIDForOnu(ctx, intfID, onuID, uniID, TpID)
} else {
logger.Debugw("tech-profile-instance-already-exist-for-given port-name",
log.Fields{
"uni": uni,
"device-id": f.deviceHandler.device.Id})
tpInstanceExists = true
}
switch tpInst := techProfileInstance.(type) {
case *tp.TechProfile:
if UsMeterID != 0 {
sq := schedQueue{direction: tp_pb.Direction_UPSTREAM, intfID: intfID, onuID: onuID, uniID: uniID, tpID: TpID,
uniPort: uniPort, tpInst: techProfileInstance, meterID: UsMeterID, flowMetadata: flowMetadata}
if err := f.CreateSchedulerQueues(ctx, sq); err != nil {
logger.Errorw("CreateSchedulerQueues-failed-upstream",
log.Fields{
"error": err,
"meter-id": UsMeterID,
"device-id": f.deviceHandler.device.Id})
return 0, nil, nil
}
}
if DsMeterID != 0 {
sq := schedQueue{direction: tp_pb.Direction_DOWNSTREAM, intfID: intfID, onuID: onuID, uniID: uniID, tpID: TpID,
uniPort: uniPort, tpInst: techProfileInstance, meterID: DsMeterID, flowMetadata: flowMetadata}
if err := f.CreateSchedulerQueues(ctx, sq); err != nil {
logger.Errorw("CreateSchedulerQueues-failed-downstream",
log.Fields{
"error": err,
"meter-id": DsMeterID,
"device-id": f.deviceHandler.device.Id})
return 0, nil, nil
}
}
allocID := tpInst.UsScheduler.AllocID
for _, gem := range tpInst.UpstreamGemPortAttributeList {
gemPortIDs = append(gemPortIDs, gem.GemportID)
}
allocIDs = appendUnique(allocIDs, allocID)
if tpInstanceExists {
return allocID, gemPortIDs, techProfileInstance
}
for _, gemPortID := range gemPortIDs {
allgemPortIDs = appendUnique(allgemPortIDs, gemPortID)
}
logger.Infow("allocated-tcont-and-gem-ports",
log.Fields{
"alloc-ids": allocIDs,
"gemports": allgemPortIDs,
"device-id": f.deviceHandler.device.Id})
// Send Tconts and GEM ports to KV store
f.storeTcontsGEMPortsIntoKVStore(ctx, intfID, onuID, uniID, allocIDs, allgemPortIDs)
return allocID, gemPortIDs, techProfileInstance
case *tp.EponProfile:
// CreateSchedulerQueues for EPON needs to be implemented here
// when voltha-protos for EPON is completed.
allocID := tpInst.AllocID
for _, gem := range tpInst.UpstreamQueueAttributeList {
gemPortIDs = append(gemPortIDs, gem.GemportID)
}
allocIDs = appendUnique(allocIDs, allocID)
if tpInstanceExists {
return allocID, gemPortIDs, techProfileInstance
}
for _, gemPortID := range gemPortIDs {
allgemPortIDs = appendUnique(allgemPortIDs, gemPortID)
}
logger.Infow("allocated-tcont-and-gem-ports",
log.Fields{
"alloc-ids": allocIDs,
"gemports": allgemPortIDs,
"device-id": f.deviceHandler.device.Id})
// Send Tconts and GEM ports to KV store
f.storeTcontsGEMPortsIntoKVStore(ctx, intfID, onuID, uniID, allocIDs, allgemPortIDs)
return allocID, gemPortIDs, techProfileInstance
default:
logger.Errorw("unknown-tech",
log.Fields{
"tpInst": tpInst})
return 0, nil, nil
}
}
func (f *OpenOltFlowMgr) storeTcontsGEMPortsIntoKVStore(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, allocID []uint32, gemPortIDs []uint32) {
logger.Debugw("storing-allocated-tconts-and-gem-ports-into-KV-store",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID,
"alloc-id": allocID,
"gemport-ids": gemPortIDs,
"device-id": f.deviceHandler.device.Id})
/* Update the allocated alloc_id and gem_port_id for the ONU/UNI to KV store */
if err := f.resourceMgr.UpdateAllocIdsForOnu(ctx, intfID, onuID, uniID, allocID); err != nil {
logger.Errorw("error-while-uploading-allocid-to-kv-store", log.Fields{"device-id": f.deviceHandler.device.Id})
}
if err := f.resourceMgr.UpdateGEMPortIDsForOnu(ctx, intfID, onuID, uniID, gemPortIDs); err != nil {
logger.Errorw("error-while-uploading-gemports-to-kv-store", log.Fields{"device-id": f.deviceHandler.device.Id})
}
if err := f.resourceMgr.UpdateGEMportsPonportToOnuMapOnKVStore(ctx, gemPortIDs, intfID, onuID, uniID); err != nil {
logger.Error("error-while-uploading-gemtopon-map-to-kv-store", log.Fields{"device-id": f.deviceHandler.device.Id})
}
logger.Infow("stored-tconts-and-gem-into-kv-store-successfully", log.Fields{"device-id": f.deviceHandler.device.Id})
for _, gemPort := range gemPortIDs {
f.addGemPortToOnuInfoMap(ctx, intfID, onuID, gemPort)
}
}
func (f *OpenOltFlowMgr) populateTechProfilePerPonPort() error {
var tpCount int
for _, techRange := range f.resourceMgr.DevInfo.Ranges {
for _, intfID := range techRange.IntfIds {
f.techprofile[intfID] = f.resourceMgr.ResourceMgrs[uint32(intfID)].TechProfileMgr
tpCount++
logger.Debugw("init-tech-profile-done",
log.Fields{
"intf-id": intfID,
"device-id": f.deviceHandler.device.Id})
}
}
//Make sure we have as many tech_profiles as there are pon ports on the device
if tpCount != int(f.resourceMgr.DevInfo.GetPonPorts()) {
return olterrors.NewErrInvalidValue(log.Fields{
"reason": "tP-count-does-not-match-number-of-pon-ports",
"tech-profile-count": tpCount,
"pon-port-count": f.resourceMgr.DevInfo.GetPonPorts(),
"device-id": f.deviceHandler.device.Id}, nil)
}
logger.Infow("populated-techprofile-for-ponports-successfully",
log.Fields{
"numofTech": tpCount,
"numPonPorts": f.resourceMgr.DevInfo.GetPonPorts(),
"device-id": f.deviceHandler.device.Id})
return nil
}
func (f *OpenOltFlowMgr) addUpstreamDataFlow(ctx context.Context, intfID uint32, onuID uint32, uniID uint32,
portNo uint32, uplinkClassifier map[string]interface{},
uplinkAction map[string]interface{}, logicalFlow *ofp.OfpFlowStats,
allocID uint32, gemportID uint32, tpID uint32) error {
uplinkClassifier[PacketTagType] = SingleTag
logger.Debugw("adding-upstream-data-flow",
log.Fields{
"uplinkClassifier": uplinkClassifier,
"uplinkAction": uplinkAction})
return f.addHSIAFlow(ctx, intfID, onuID, uniID, portNo, uplinkClassifier, uplinkAction,
Upstream, logicalFlow, allocID, gemportID, tpID)
/* TODO: Install Secondary EAP on the subscriber vlan */
}
func (f *OpenOltFlowMgr) addDownstreamDataFlow(ctx context.Context, intfID uint32, onuID uint32, uniID uint32,
portNo uint32, downlinkClassifier map[string]interface{},
downlinkAction map[string]interface{}, logicalFlow *ofp.OfpFlowStats,
allocID uint32, gemportID uint32, tpID uint32) error {
downlinkClassifier[PacketTagType] = DoubleTag
logger.Debugw("adding-downstream-data-flow",
log.Fields{
"downlinkClassifier": downlinkClassifier,
"downlinkAction": downlinkAction})
// Ignore Downlink trap flow given by core, cannot do anything with this flow */
if vlan, exists := downlinkClassifier[VlanVid]; exists {
if vlan.(uint32) == (uint32(ofp.OfpVlanId_OFPVID_PRESENT) | 4000) { //private VLAN given by core
if metadata, exists := downlinkClassifier[Metadata]; exists { // inport is filled in metadata by core
if uint32(metadata.(uint64)) == MkUniPortNum(intfID, onuID, uniID) {
logger.Infow("ignoring-dl-trap-device-flow-from-core",
log.Fields{
"flow": logicalFlow,
"device-id": f.deviceHandler.device.Id,
"onu-id": onuID,
"intf-id": intfID})
return nil
}
}
}
}
/* Already this info available classifier? */
downlinkAction[PopVlan] = true
// vlan_vid is a uint32. must be type asserted as such or conversion fails
dlClVid, ok := downlinkClassifier[VlanVid].(uint32)
if ok {
downlinkAction[VlanVid] = dlClVid & 0xfff
} else {
return olterrors.NewErrInvalidValue(log.Fields{
"reason": "failed-to-convert-vlanid-classifier",
"vlan-id": VlanVid,
"device-id": f.deviceHandler.device.Id}, nil).Log()
}
return f.addHSIAFlow(ctx, intfID, onuID, uniID, portNo, downlinkClassifier, downlinkAction,
Downstream, logicalFlow, allocID, gemportID, tpID)
}
func (f *OpenOltFlowMgr) addHSIAFlow(ctx context.Context, 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, tpID uint32) error {
/* 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.
*/
logger.Infow("adding-hsia-flow",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID,
"device-id": f.deviceHandler.device.Id,
"classifier": classifier,
"action": action,
"direction": direction,
"alloc-id": allocID,
"gemport-id": gemPortID,
"logicalflow": *logicalFlow})
var vlanPbit uint32 = 0xff // means no pbit
var vlanVid uint32
if _, ok := classifier[VlanPcp]; ok {
vlanPbit = classifier[VlanPcp].(uint32)
logger.Debugw("found-pbit-in-flow",
log.Fields{
"vlan-pbit": vlanPbit,
"intf-id": intfID,
"onu-id": onuID,
"device-id": f.deviceHandler.device.Id})
} else {
logger.Debugw("pbit-not-found-in-flow",
log.Fields{
"vlan-pcp": VlanPcp,
"intf-id": intfID,
"onu-id": onuID,
"device-id": f.deviceHandler.device.Id})
}
if _, ok := classifier[VlanVid]; ok {
vlanVid = classifier[VlanVid].(uint32)
log.Debugw("found-vlan-in-the-flow",
log.Fields{
"vlan-vid": vlanVid,
"intf-id": intfID,
"onu-id": onuID,
"device-id": f.deviceHandler.device.Id})
}
flowStoreCookie := getFlowStoreCookie(classifier, gemPortID)
if present := f.resourceMgr.IsFlowCookieOnKVStore(ctx, uint32(intfID), int32(onuID), int32(uniID), flowStoreCookie); present {
logger.Infow("flow-already-exists",
log.Fields{
"device-id": f.deviceHandler.device.Id,
"intf-id": intfID,
"onu-id": onuID})
return nil
}
flowID, err := f.resourceMgr.GetFlowID(ctx, intfID, int32(onuID), int32(uniID), gemPortID, flowStoreCookie, HsiaFlow, vlanVid, vlanPbit)
if err != nil {
return olterrors.NewErrNotFound("hsia-flow-id",
log.Fields{
"direction": direction,
"device-id": f.deviceHandler.device.Id,
"intf-id": intfID,
"onu-id": onuID,
}, err).Log()
}
classifierProto, err := makeOpenOltClassifierField(classifier)
if err != nil {
return olterrors.NewErrInvalidValue(log.Fields{"classifier": classifier, "device-id": f.deviceHandler.device.Id}, err).Log()
}
logger.Debugw("created-classifier-proto",
log.Fields{
"classifier": *classifierProto,
"device-id": f.deviceHandler.device.Id})
actionProto, err := makeOpenOltActionField(action, classifier)
if err != nil {
return olterrors.NewErrInvalidValue(log.Fields{"action": action, "device-id": f.deviceHandler.device.Id}, err).Log()
}
logger.Debugw("created-action-proto",
log.Fields{
"action": *actionProto,
"device-id": f.deviceHandler.device.Id})
networkIntfID, err := getNniIntfID(classifier, action)
if err != nil {
return olterrors.NewErrNotFound("nni-interface-id",
log.Fields{
"classifier": classifier,
"action": action,
"device-id": f.deviceHandler.device.Id,
}, err).Log()
}
flow := openoltpb2.Flow{AccessIntfId: int32(intfID),
OnuId: int32(onuID),
UniId: int32(uniID),
FlowId: 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,
TechProfileId: tpID,
}
if err := f.addFlowToDevice(ctx, logicalFlow, &flow); err != nil {
return olterrors.NewErrFlowOp("add", flowID, nil, err).Log()
}
logger.Infow("hsia-flow-added-to-device-successfully",
log.Fields{"direction": direction,
"device-id": f.deviceHandler.device.Id,
"flow": flow,
"intf-id": intfID,
"onu-id": onuID})
flowsToKVStore := f.getUpdatedFlowInfo(ctx, &flow, flowStoreCookie, HsiaFlow, flowID, logicalFlow.Id)
if err := f.updateFlowInfoToKVStore(ctx, flow.AccessIntfId,
flow.OnuId,
flow.UniId,
flow.FlowId /*flowCategory,*/, flowsToKVStore); err != nil {
return olterrors.NewErrPersistence("update", "flow", flowID,
log.Fields{
"flow": flow,
"device-id": f.deviceHandler.device.Id,
"intf-id": intfID,
"onu-id": onuID}, err).Log()
}
return nil
}
func (f *OpenOltFlowMgr) addDHCPTrapFlow(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, portNo uint32,
classifier map[string]interface{}, action map[string]interface{}, logicalFlow *ofp.OfpFlowStats, allocID uint32,
gemPortID uint32, tpID uint32) error {
networkIntfID, err := getNniIntfID(classifier, action)
if err != nil {
return olterrors.NewErrNotFound("nni-interface-id", log.Fields{
"classifier": classifier,
"action": action,
"device-id": f.deviceHandler.device.Id},
err).Log()
}
// Clear the action map
for k := range action {
delete(action, k)
}
action[TrapToHost] = true
classifier[UDPSrc] = uint32(68)
classifier[UDPDst] = uint32(67)
classifier[PacketTagType] = SingleTag
delete(classifier, VlanVid)
flowStoreCookie := getFlowStoreCookie(classifier, gemPortID)
if present := f.resourceMgr.IsFlowCookieOnKVStore(ctx, uint32(intfID), int32(onuID), int32(uniID), flowStoreCookie); present {
logger.Infow("flow-exists--not-re-adding",
log.Fields{
"device-id": f.deviceHandler.device.Id,
"intf-id": intfID,
"onu-id": onuID})
return nil
}
flowID, err := f.resourceMgr.GetFlowID(ctx, intfID, int32(onuID), int32(uniID), gemPortID, flowStoreCookie, DhcpFlow, 0 /*classifier[VLAN_PCP].(uint32)*/)
if err != nil {
return olterrors.NewErrNotFound("flow",
log.Fields{
"interface-id": intfID,
"gem-port": gemPortID,
"cookie": flowStoreCookie,
"device-id": f.deviceHandler.device.Id},
err).Log()
}
logger.Debugw("creating-ul-dhcp-flow",
log.Fields{
"ul_classifier": classifier,
"ul_action": action,
"uplinkFlowId": flowID,
"intf-id": intfID,
"onu-id": onuID,
"device-id": f.deviceHandler.device.Id})
classifierProto, err := makeOpenOltClassifierField(classifier)
if err != nil {
return olterrors.NewErrInvalidValue(log.Fields{"classifier": classifier}, err).Log()
}
logger.Debugw("created-classifier-proto", log.Fields{"classifier": *classifierProto})
actionProto, err := makeOpenOltActionField(action, classifier)
if err != nil {
return olterrors.NewErrInvalidValue(log.Fields{"action": action}, err).Log()
}
dhcpFlow := openoltpb2.Flow{AccessIntfId: int32(intfID),
OnuId: int32(onuID),
UniId: int32(uniID),
FlowId: 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,
TechProfileId: tpID,
}
if err := f.addFlowToDevice(ctx, logicalFlow, &dhcpFlow); err != nil {
return olterrors.NewErrFlowOp("add", flowID, log.Fields{"dhcp-flow": dhcpFlow}, err).Log()
}
logger.Infow("dhcp-ul-flow-added-to-device-successfully",
log.Fields{
"device-id": f.deviceHandler.device.Id,
"flow-id": flowID,
"intf-id": intfID,
"onu-id": onuID})
flowsToKVStore := f.getUpdatedFlowInfo(ctx, &dhcpFlow, flowStoreCookie, "DHCP", flowID, logicalFlow.Id)
if err := f.updateFlowInfoToKVStore(ctx, dhcpFlow.AccessIntfId,
dhcpFlow.OnuId,
dhcpFlow.UniId,
dhcpFlow.FlowId, flowsToKVStore); err != nil {
return olterrors.NewErrPersistence("update", "flow", dhcpFlow.FlowId,
log.Fields{
"flow": dhcpFlow,
"device-id": f.deviceHandler.device.Id}, err).Log()
}
return nil
}
//addIGMPTrapFlow creates IGMP trap-to-host flow
func (f *OpenOltFlowMgr) addIGMPTrapFlow(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, portNo uint32, classifier map[string]interface{},
action map[string]interface{}, logicalFlow *ofp.OfpFlowStats, allocID uint32, gemPortID uint32, tpID uint32) error {
return f.addUpstreamTrapFlow(ctx, intfID, onuID, uniID, portNo, classifier, action, logicalFlow, allocID, gemPortID, IgmpFlow, tpID)
}
//addUpstreamTrapFlow creates a trap-to-host flow
func (f *OpenOltFlowMgr) addUpstreamTrapFlow(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, portNo uint32, classifier map[string]interface{},
action map[string]interface{}, logicalFlow *ofp.OfpFlowStats, allocID uint32, gemPortID uint32, flowType string, tpID uint32) error {
networkIntfID, err := getNniIntfID(classifier, action)
if err != nil {
return olterrors.NewErrNotFound("nni-interface-id",
log.Fields{
"classifier": classifier,
"action": action,
"device-id": f.deviceHandler.device.Id},
err).Log()
}
// Clear the action map
for k := range action {
delete(action, k)
}
action[TrapToHost] = true
classifier[PacketTagType] = SingleTag
delete(classifier, VlanVid)
flowStoreCookie := getFlowStoreCookie(classifier, gemPortID)
if present := f.resourceMgr.IsFlowCookieOnKVStore(ctx, uint32(networkIntfID), int32(onuID), int32(uniID), flowStoreCookie); present {
logger.Infow("flow-exists-not-re-adding", log.Fields{"device-id": f.deviceHandler.device.Id})
return nil
}
flowID, err := f.resourceMgr.GetFlowID(ctx, intfID, int32(onuID), int32(uniID), gemPortID, flowStoreCookie, flowType, 0, 0 /*classifier[VLAN_PCP].(uint32)*/)
if err != nil {
return olterrors.NewErrNotFound("flow-id",
log.Fields{
"intf-id": intfID,
"oni-id": onuID,
"cookie": flowStoreCookie,
"flow-type": flowType,
"device-id": f.deviceHandler.device.Id,
"onu-id": onuID},
err).Log()
}
logger.Debugw("creating-upstream-trap-flow",
log.Fields{
"ul_classifier": classifier,
"ul_action": action,
"uplinkFlowId": flowID,
"flowType": flowType,
"device-id": f.deviceHandler.device.Id,
"intf-id": intfID,
"onu-id": onuID})
classifierProto, err := makeOpenOltClassifierField(classifier)
if err != nil {
return olterrors.NewErrInvalidValue(log.Fields{"classifier": classifier, "device-id": f.deviceHandler.device.Id}, err).Log()
}
logger.Debugw("created-classifier-proto",
log.Fields{
"classifier": *classifierProto,
"device-id": f.deviceHandler.device.Id})
actionProto, err := makeOpenOltActionField(action, classifier)
if err != nil {
return olterrors.NewErrInvalidValue(log.Fields{"action": action, "device-id": f.deviceHandler.device.Id}, err).Log()
}
flow := openoltpb2.Flow{AccessIntfId: int32(intfID),
OnuId: int32(onuID),
UniId: int32(uniID),
FlowId: 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,
TechProfileId: tpID,
}
if err := f.addFlowToDevice(ctx, logicalFlow, &flow); err != nil {
return olterrors.NewErrFlowOp("add", flowID, log.Fields{"flow": flow, "device-id": f.deviceHandler.device.Id}, err).Log()
}
logger.Infof("%s ul-flow-added-to-device-successfully", flowType)
flowsToKVStore := f.getUpdatedFlowInfo(ctx, &flow, flowStoreCookie, flowType, flowID, logicalFlow.Id)
if err := f.updateFlowInfoToKVStore(ctx, flow.AccessIntfId,
flow.OnuId,
flow.UniId,
flow.FlowId, flowsToKVStore); err != nil {
return olterrors.NewErrPersistence("update", "flow", flow.FlowId, log.Fields{"flow": flow, "device-id": f.deviceHandler.device.Id}, err).Log()
}
return nil
}
// Add EAPOL flow to device with mac, vlanId as classifier for upstream and downstream
func (f *OpenOltFlowMgr) addEAPOLFlow(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, portNo uint32,
classifier map[string]interface{}, action map[string]interface{}, logicalFlow *ofp.OfpFlowStats, allocID uint32,
gemPortID uint32, vlanID uint32, tpID uint32) error {
logger.Infow("adding-eapol-to-device",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"port-no": portNo,
"alloc-id": allocID,
"gemport-id": gemPortID,
"vlan-id": vlanID,
"flow": logicalFlow})
uplinkClassifier := make(map[string]interface{})
uplinkAction := make(map[string]interface{})
// Fill Classfier
uplinkClassifier[EthType] = uint32(EapEthType)
uplinkClassifier[PacketTagType] = SingleTag
uplinkClassifier[VlanVid] = vlanID
uplinkClassifier[VlanPcp] = classifier[VlanPcp]
// Fill action
uplinkAction[TrapToHost] = true
flowStoreCookie := getFlowStoreCookie(uplinkClassifier, gemPortID)
if present := f.resourceMgr.IsFlowCookieOnKVStore(ctx, uint32(intfID), int32(onuID), int32(uniID), flowStoreCookie); present {
logger.Infow("flow-exists-not-re-adding", log.Fields{
"device-id": f.deviceHandler.device.Id,
"onu-id": onuID,
"intf-id": intfID})
return nil
}
//Add Uplink EAPOL Flow
uplinkFlowID, err := f.resourceMgr.GetFlowID(ctx, intfID, int32(onuID), int32(uniID), gemPortID, flowStoreCookie, "", 0, 0)
if err != nil {
return olterrors.NewErrNotFound("flow-id",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"coookie": flowStoreCookie,
"device-id": f.deviceHandler.device.Id},
err).Log()
}
logger.Debugw("creating-ul-eapol-flow",
log.Fields{
"ul_classifier": uplinkClassifier,
"ul_action": uplinkAction,
"uplinkFlowId": uplinkFlowID,
"device-id": f.deviceHandler.device.Id,
"intf-id": intfID,
"onu-id": onuID})
classifierProto, err := makeOpenOltClassifierField(uplinkClassifier)
if err != nil {
return olterrors.NewErrInvalidValue(log.Fields{
"classifier": uplinkClassifier,
"device-id": f.deviceHandler.device.Id}, err).Log()
}
logger.Debugw("created-classifier-proto",
log.Fields{
"classifier": *classifierProto,
"device-id": f.deviceHandler.device.Id})
actionProto, err := makeOpenOltActionField(uplinkAction, uplinkClassifier)
if err != nil {
return olterrors.NewErrInvalidValue(log.Fields{"action": uplinkAction, "device-id": f.deviceHandler.device.Id}, err).Log()
}
logger.Debugw("created-action-proto",
log.Fields{
"action": *actionProto,
"device-id": f.deviceHandler.device.Id})
networkIntfID, err := getNniIntfID(classifier, action)
if err != nil {
return olterrors.NewErrNotFound("nni-interface-id", log.Fields{
"classifier": classifier,
"action": action,
"device-id": f.deviceHandler.device.Id},
err).Log()
}
upstreamFlow := openoltpb2.Flow{AccessIntfId: int32(intfID),
OnuId: int32(onuID),
UniId: int32(uniID),
FlowId: 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,
TechProfileId: tpID,
}
if err := f.addFlowToDevice(ctx, logicalFlow, &upstreamFlow); err != nil {
return olterrors.NewErrFlowOp("add", uplinkFlowID, log.Fields{"flow": upstreamFlow}, err).Log()
}
logger.Infow("eapol-ul-flow-added-to-device-successfully",
log.Fields{
"device-id": f.deviceHandler.device.Id,
"onu-id": onuID,
"intf-id": intfID,
})
flowCategory := "EAPOL"
flowsToKVStore := f.getUpdatedFlowInfo(ctx, &upstreamFlow, flowStoreCookie, flowCategory, uplinkFlowID, logicalFlow.Id)
if err := f.updateFlowInfoToKVStore(ctx, upstreamFlow.AccessIntfId,
upstreamFlow.OnuId,
upstreamFlow.UniId,
upstreamFlow.FlowId,
/* lowCategory, */
flowsToKVStore); err != nil {
return olterrors.NewErrPersistence("update", "flow", upstreamFlow.FlowId,
log.Fields{
"flow": upstreamFlow,
"device-id": f.deviceHandler.device.Id}, err).Log()
}
return nil
}
func makeOpenOltClassifierField(classifierInfo map[string]interface{}) (*openoltpb2.Classifier, error) {
var classifier openoltpb2.Classifier
classifier.EthType, _ = classifierInfo[EthType].(uint32)
classifier.IpProto, _ = classifierInfo[IPProto].(uint32)
if vlanID, ok := classifierInfo[VlanVid].(uint32); ok {
if vlanID != ReservedVlan {
vid := vlanID & VlanvIDMask
classifier.OVid = vid
}
}
if metadata, ok := classifierInfo[Metadata].(uint64); ok {
vid := uint32(metadata)
if vid != ReservedVlan {
classifier.IVid = vid
}
}
// Use VlanPCPMask (0xff) to signify NO PCP. Else use valid PCP (0 to 7)
if vlanPcp, ok := classifierInfo[VlanPcp].(uint32); ok {
classifier.OPbits = vlanPcp
} else {
classifier.OPbits = VlanPCPMask
}
classifier.SrcPort, _ = classifierInfo[UDPSrc].(uint32)
classifier.DstPort, _ = classifierInfo[UDPDst].(uint32)
classifier.DstIp, _ = classifierInfo[Ipv4Dst].(uint32)
classifier.SrcIp, _ = classifierInfo[Ipv4Src].(uint32)
classifier.DstMac, _ = classifierInfo[EthDst].([]uint8)
if pktTagType, ok := classifierInfo[PacketTagType].(string); ok {
classifier.PktTagType = pktTagType
switch pktTagType {
case SingleTag:
case DoubleTag:
case Untagged:
default:
return nil, olterrors.NewErrInvalidValue(log.Fields{"packet-tag-type": pktTagType}, nil)
}
}
return &classifier, nil
}
func makeOpenOltActionField(actionInfo map[string]interface{}, classifierInfo map[string]interface{}) (*openoltpb2.Action, error) {
var actionCmd openoltpb2.ActionCmd
var action openoltpb2.Action
action.Cmd = &actionCmd
if _, ok := actionInfo[PopVlan]; ok {
action.Cmd.RemoveOuterTag = true
if _, ok := actionInfo[VlanPcp]; ok {
action.Cmd.RemarkInnerPbits = true
action.IPbits = actionInfo[VlanPcp].(uint32)
if _, ok := actionInfo[VlanVid]; ok {
action.Cmd.TranslateInnerTag = true
action.IVid = actionInfo[VlanVid].(uint32)
}
}
} else if _, ok := actionInfo[PushVlan]; ok {
action.OVid = actionInfo[VlanVid].(uint32)
action.Cmd.AddOuterTag = true
if _, ok := actionInfo[VlanPcp]; ok {
action.OPbits = actionInfo[VlanPcp].(uint32)
action.Cmd.RemarkOuterPbits = true
if _, ok := classifierInfo[VlanVid]; ok {
action.IVid = classifierInfo[VlanVid].(uint32)
action.Cmd.TranslateInnerTag = true
}
}
} else if _, ok := actionInfo[TrapToHost]; ok {
action.Cmd.TrapToHost = actionInfo[TrapToHost].(bool)
} else {
return nil, olterrors.NewErrInvalidValue(log.Fields{"action-command": actionInfo}, nil)
}
return &action, nil
}
// getTPpath return the ETCD path for a given UNI port
func (f *OpenOltFlowMgr) getTPpath(intfID uint32, uniPath string, TpID uint32) string {
return f.techprofile[intfID].GetTechProfileInstanceKVPath(TpID, uniPath)
}
// DeleteTechProfileInstances removes the tech profile instances from persistent storage
func (f *OpenOltFlowMgr) DeleteTechProfileInstances(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, sn string) error {
tpIDList := f.resourceMgr.GetTechProfileIDForOnu(ctx, intfID, onuID, uniID)
uniPortName := getUniPortPath(f.deviceHandler.device.Id, intfID, int32(onuID), int32(uniID))
for _, tpID := range tpIDList {
if err := f.DeleteTechProfileInstance(ctx, intfID, onuID, uniID, uniPortName, tpID); err != nil {
olterrors.NewErrAdapter("delete-tech-profile-failed", log.Fields{"device-id": f.deviceHandler.device.Id}, err).Log()
// return err
// We should continue to delete tech-profile instances for other TP IDs
}
log.Debugw("tech-profile-deleted", log.Fields{"device-id": f.deviceHandler.device.Id, "tp-id": tpID})
}
return nil
}
// DeleteTechProfileInstance removes the tech profile instance from persistent storage
func (f *OpenOltFlowMgr) DeleteTechProfileInstance(ctx context.Context, intfID uint32, onuID uint32, uniID uint32, uniPortName string, tpID uint32) error {
if uniPortName == "" {
uniPortName = getUniPortPath(f.deviceHandler.device.Id, intfID, int32(onuID), int32(uniID))
}
if err := f.techprofile[intfID].DeleteTechProfileInstance(ctx, tpID, uniPortName); err != nil {
return olterrors.NewErrAdapter("failed-to-delete-tp-instance-from-kv-store",
log.Fields{
"tp-id": tpID,
"uni-port-name": uniPortName,
"device-id": f.deviceHandler.device.Id}, err)
}
return nil
}
func getFlowStoreCookie(classifier map[string]interface{}, gemPortID uint32) uint64 {
if len(classifier) == 0 { // should never happen
logger.Error("invalid-classfier-object")
return 0
}
logger.Debugw("generating-flow-store-cookie",
log.Fields{
"classifier": classifier,
"gemport-id": gemPortID})
var jsonData []byte
var flowString string
var err error
// TODO: Do we need to marshall ??
if jsonData, err = json.Marshal(classifier); err != nil {
logger.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))
generatedHash := hash.Uint64()
logger.Debugw("hash-generated", log.Fields{"hash": generatedHash})
return generatedHash
}
func (f *OpenOltFlowMgr) getUpdatedFlowInfo(ctx context.Context, flow *openoltpb2.Flow, flowStoreCookie uint64, flowCategory string, deviceFlowID uint32, logicalFlowID uint64) *[]rsrcMgr.FlowInfo {
var flows = []rsrcMgr.FlowInfo{{Flow: flow, FlowCategory: flowCategory, FlowStoreCookie: flowStoreCookie, LogicalFlowID: logicalFlowID}}
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(ctx, intfID, flow.OnuId, flow.UniId, flow.FlowId)
if existingFlows != nil {
logger.Debugw("flow-exists-for-given-flowID--appending-it-to-current-flow",
log.Fields{
"flow-id": flow.FlowId,
"device-id": f.deviceHandler.device.Id,
"intf-id": intfID,
"onu-id": flow.OnuId})
//for _, f := range *existingFlows {
// flows = append(flows, f)
//}
flows = append(flows, *existingFlows...)
}
logger.Debugw("updated-flows-for-given-flowID-and-onuid",
log.Fields{
"updatedflow": flows,
"flow-id": flow.FlowId,
"onu-id": flow.OnuId,
"device-id": f.deviceHandler.device.Id})
return &flows
}
func (f *OpenOltFlowMgr) updateFlowInfoToKVStore(ctx context.Context, intfID int32, onuID int32, uniID int32, flowID uint32, flows *[]rsrcMgr.FlowInfo) error {
logger.Debugw("storing-flow(s)-into-kv-store", log.Fields{
"flow-id": flowID,
"device-id": f.deviceHandler.device.Id,
"intf-id": intfID,
"onu-id": onuID})
if err := f.resourceMgr.UpdateFlowIDInfo(ctx, intfID, onuID, uniID, flowID, flows); err != nil {
logger.Warnw("error-while-storing-flow-into-kv-store", log.Fields{
"device-id": f.deviceHandler.device.Id,
"onu-id": onuID,
"intf-id": intfID,
"flow-id": flowID})
return err
}
logger.Infow("stored-flow(s)-into-kv-store-successfully!", log.Fields{
"device-id": f.deviceHandler.device.Id,
"onu-id": onuID,
"intf-id": intfID,
"flow-id": flowID})
return nil
}
func (f *OpenOltFlowMgr) addFlowToDevice(ctx context.Context, logicalFlow *ofp.OfpFlowStats, deviceFlow *openoltpb2.Flow) error {
var intfID uint32
/* For flows which trap out of the NNI, the AccessIntfId is invalid
(set to -1). In such cases, we need to refer to the NetworkIntfId .
*/
if deviceFlow.AccessIntfId != -1 {
intfID = uint32(deviceFlow.AccessIntfId)
} else {
// REVIST : Why ponport is given as network port?
intfID = uint32(deviceFlow.NetworkIntfId)
}
logger.Debugw("sending-flow-to-device-via-grpc", log.Fields{
"flow": *deviceFlow,
"device-id": f.deviceHandler.device.Id,
"intf-id": intfID})
_, err := f.deviceHandler.Client.FlowAdd(context.Background(), deviceFlow)
st, _ := status.FromError(err)
if st.Code() == codes.AlreadyExists {
logger.Debug("flow-already-exists", log.Fields{
"err": err,
"deviceFlow": deviceFlow,
"device-id": f.deviceHandler.device.Id,
"intf-id": intfID})
return nil
}
if err != nil {
logger.Errorw("failed-to-add-flow-to-device",
log.Fields{"err": err,
"device-flow": deviceFlow,
"device-id": f.deviceHandler.device.Id,
"intf-id": intfID})
f.resourceMgr.FreeFlowID(ctx, intfID, deviceFlow.OnuId, deviceFlow.UniId, deviceFlow.FlowId)
return err
}
if deviceFlow.GemportId != -1 {
// No need to register the flow if it is a trap on nni flow.
f.registerFlow(ctx, logicalFlow, deviceFlow)
}
logger.Infow("flow-added-to-device-successfully ",
log.Fields{
"flow": *deviceFlow,
"device-id": f.deviceHandler.device.Id,
"intf-id": intfID})
return nil
}
func (f *OpenOltFlowMgr) removeFlowFromDevice(deviceFlow *openoltpb2.Flow, ofFlowID uint64) error {
logger.Debugw("sending-flow-to-device-via-grpc",
log.Fields{
"flow": *deviceFlow,
"device-id": f.deviceHandler.device.Id})
_, err := f.deviceHandler.Client.FlowRemove(context.Background(), deviceFlow)
if err != nil {
if f.deviceHandler.device.ConnectStatus == common.ConnectStatus_UNREACHABLE {
logger.Warnw("can-not-remove-flow-from-device--unreachable",
log.Fields{
"err": err,
"deviceFlow": deviceFlow,
"device-id": f.deviceHandler.device.Id})
//Assume the flow is removed
return nil
}
return olterrors.NewErrFlowOp("remove", deviceFlow.FlowId, log.Fields{"deviceFlow": deviceFlow}, err)
}
logger.Infow("flow-removed-from-device-successfully", log.Fields{
"of-flow-id": ofFlowID,
"flow": *deviceFlow,
"device-id": f.deviceHandler.device.Id,
})
return nil
}
func (f *OpenOltFlowMgr) addLLDPFlow(ctx context.Context, flow *ofp.OfpFlowStats, portNo uint32) error {
classifierInfo := make(map[string]interface{})
actionInfo := make(map[string]interface{})
classifierInfo[EthType] = uint32(LldpEthType)
classifierInfo[PacketTagType] = Untagged
actionInfo[TrapToHost] = true
// LLDP flow is installed to trap LLDP packets on the NNI port.
// We manage flow_id resource pool on per PON port basis.
// Since this situation is tricky, as a hack, we pass the NNI port
// index (network_intf_id) as PON port Index for the flow_id resource
// pool. Also, there is no ONU Id available for trapping LLDP packets
// on NNI port, use onu_id as -1 (invalid)
// ****************** CAVEAT *******************
// This logic works if the NNI Port Id falls within the same valid
// range of PON Port Ids. If this doesn't work for some OLT Vendor
// we need to have a re-look at this.
// *********************************************
var onuID = -1
var uniID = -1
var gemPortID = -1
networkInterfaceID, err := IntfIDFromNniPortNum(portNo)
if err != nil {
return olterrors.NewErrInvalidValue(log.Fields{"nni-port-number": portNo}, err).Log()
}
var flowStoreCookie = getFlowStoreCookie(classifierInfo, uint32(0))
if present := f.resourceMgr.IsFlowCookieOnKVStore(ctx, uint32(networkInterfaceID), int32(onuID), int32(uniID), flowStoreCookie); present {
logger.Infow("flow-exists--not-re-adding", log.Fields{"device-id": f.deviceHandler.device.Id})
return nil
}
flowID, err := f.resourceMgr.GetFlowID(ctx, uint32(networkInterfaceID), int32(onuID), int32(uniID), uint32(gemPortID), flowStoreCookie, "", 0)
if err != nil {
return olterrors.NewErrNotFound("flow-id",
log.Fields{
"interface-id": networkInterfaceID,
"onu-id": onuID,
"uni-id": uniID,
"gem-port-id": gemPortID,
"cookie": flowStoreCookie,
"device-id": f.deviceHandler.device.Id},
err)
}
classifierProto, err := makeOpenOltClassifierField(classifierInfo)
if err != nil {
return olterrors.NewErrInvalidValue(
log.Fields{
"classifier": classifierInfo,
"device-id": f.deviceHandler.device.Id}, err)
}
logger.Debugw("created-classifier-proto",
log.Fields{
"classifier": *classifierProto,
"device-id": f.deviceHandler.device.Id})
actionProto, err := makeOpenOltActionField(actionInfo, classifierInfo)
if err != nil {
return olterrors.NewErrInvalidValue(
log.Fields{
"action": actionInfo,
"device-id": f.deviceHandler.device.Id}, err)
}
logger.Debugw("created-action-proto",
log.Fields{
"action": *actionProto,
"device-id": f.deviceHandler.device.Id})
downstreamflow := openoltpb2.Flow{AccessIntfId: int32(-1), // AccessIntfId not required
OnuId: int32(onuID), // OnuId not required
UniId: int32(uniID), // UniId not used
FlowId: flowID,
FlowType: Downstream,
NetworkIntfId: int32(networkInterfaceID),
GemportId: int32(gemPortID),
Classifier: classifierProto,
Action: actionProto,
Priority: int32(flow.Priority),
Cookie: flow.Cookie,
PortNo: portNo}
if err := f.addFlowToDevice(ctx, flow, &downstreamflow); err != nil {
return olterrors.NewErrFlowOp("add", flowID,
log.Fields{
"flow": downstreamflow,
"device-id": f.deviceHandler.device.Id}, err)
}
logger.Infow("lldp-trap-on-nni-flow-added-to-device-successfully",
log.Fields{
"device-id": f.deviceHandler.device.Id,
"onu-id": onuID,
"flow-id": flowID})
flowsToKVStore := f.getUpdatedFlowInfo(ctx, &downstreamflow, flowStoreCookie, "", flowID, flow.Id)
if err := f.updateFlowInfoToKVStore(ctx, int32(networkInterfaceID),
int32(onuID),
int32(uniID),
flowID, flowsToKVStore); err != nil {
return olterrors.NewErrPersistence("update", "flow", flowID,
log.Fields{
"flow": downstreamflow,
"device-id": f.deviceHandler.device.Id}, err)
}
return nil
}
func getUniPortPath(oltID string, intfID uint32, onuID int32, uniID int32) string {
return fmt.Sprintf("olt-{%s}/pon-{%d}/onu-{%d}/uni-{%d}", oltID, intfID, onuID, uniID)
}
//getOnuDevice to fetch onu from cache or core.
func (f *OpenOltFlowMgr) getOnuDevice(intfID uint32, onuID uint32) (*OnuDevice, error) {
onuKey := f.deviceHandler.formOnuKey(intfID, onuID)
onuDev, ok := f.deviceHandler.onus.Load(onuKey)
if !ok {
logger.Debugw("couldnt-find-onu-in-cache",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"device-id": f.deviceHandler.device.Id})
onuDevice, err := f.getChildDevice(intfID, onuID)
if err != nil {
return nil, olterrors.NewErrNotFound("onu-child-device",
log.Fields{
"onu-id": onuID,
"intf-id": intfID,
"device-id": f.deviceHandler.device.Id}, err)
}
onuDev = NewOnuDevice(onuDevice.Id, onuDevice.Type, onuDevice.SerialNumber, onuDevice.ProxyAddress.OnuId, onuDevice.ProxyAddress.ChannelId, onuDevice.ProxyAddress.DeviceId, false)
//better to ad the device to cache here.
f.deviceHandler.StoreOnuDevice(onuDev.(*OnuDevice))
} else {
logger.Debugw("found-onu-in-cache",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"device-id": f.deviceHandler.device.Id})
}
return onuDev.(*OnuDevice), nil
}
//getChildDevice to fetch onu
func (f *OpenOltFlowMgr) getChildDevice(intfID uint32, onuID uint32) (*voltha.Device, error) {
logger.Infow("GetChildDevice",
log.Fields{
"pon-port": intfID,
"onu-id": onuID,
"device-id": f.deviceHandler.device.Id})
parentPortNo := IntfIDToPortNo(intfID, voltha.Port_PON_OLT)
onuDevice, err := f.deviceHandler.GetChildDevice(parentPortNo, onuID)
if err != nil {
return nil, olterrors.NewErrNotFound("onu",
log.Fields{
"interface-id": parentPortNo,
"onu-id": onuID,
"device-id": f.deviceHandler.device.Id},
err)
}
logger.Infow("successfully-received-child-device-from-core",
log.Fields{
"device-id": f.deviceHandler.device.Id,
"child_device_id": onuDevice.Id,
"child_device_sn": onuDevice.SerialNumber})
return onuDevice, nil
}
func findNextFlow(flow *ofp.OfpFlowStats) *ofp.OfpFlowStats {
logger.Info("unimplemented-flow %v", flow)
return nil
}
func (f *OpenOltFlowMgr) clearFlowsAndSchedulerForLogicalPort(childDevice *voltha.Device, logicalPort *voltha.LogicalPort) {
logger.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) sendDeleteGemPortToChild(intfID uint32, onuID uint32, uniID uint32, gemPortID uint32, tpPath string) error {
onuDev, err := f.getOnuDevice(intfID, onuID)
if err != nil {
logger.Debugw("couldnt-find-onu-child-device",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID,
"device-id": f.deviceHandler.device.Id})
return err
}
delGemPortMsg := &ic.InterAdapterDeleteGemPortMessage{UniId: uniID, TpPath: tpPath, GemPortId: gemPortID}
logger.Debugw("sending-gem-port-delete-to-openonu-adapter",
log.Fields{
"msg": *delGemPortMsg,
"device-id": f.deviceHandler.device.Id})
if sendErr := f.deviceHandler.AdapterProxy.SendInterAdapterMessage(context.Background(),
delGemPortMsg,
ic.InterAdapterMessageType_DELETE_GEM_PORT_REQUEST,
f.deviceHandler.device.Type,
onuDev.deviceType,
onuDev.deviceID,
onuDev.proxyDeviceID, ""); sendErr != nil {
return olterrors.NewErrCommunication("send-delete-gem-port-to-onu-adapter",
log.Fields{
"from-adapter": f.deviceHandler.device.Type,
"to-adapter": onuDev.deviceType,
"onu-id": onuDev.deviceID,
"proxyDeviceID": onuDev.proxyDeviceID,
"device-id": f.deviceHandler.device.Id}, sendErr)
}
logger.Infow("success-sending-del-gem-port-to-onu-adapter",
log.Fields{
"msg": delGemPortMsg,
"from-adapter": f.deviceHandler.device.Type,
"to-adapter": onuDev.deviceType,
"device-id": f.deviceHandler.device.Id})
return nil
}
func (f *OpenOltFlowMgr) sendDeleteTcontToChild(intfID uint32, onuID uint32, uniID uint32, allocID uint32, tpPath string) error {
onuDev, err := f.getOnuDevice(intfID, onuID)
if err != nil {
logger.Warnw("couldnt-find-onu-child-device",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID,
"device-id": f.deviceHandler.device.Id})
return err
}
delTcontMsg := &ic.InterAdapterDeleteTcontMessage{UniId: uniID, TpPath: tpPath, AllocId: allocID}
logger.Debugw("sending-tcont-delete-to-openonu-adapter",
log.Fields{
"msg": *delTcontMsg,
"device-id": f.deviceHandler.device.Id})
if sendErr := f.deviceHandler.AdapterProxy.SendInterAdapterMessage(context.Background(),
delTcontMsg,
ic.InterAdapterMessageType_DELETE_TCONT_REQUEST,
f.deviceHandler.device.Type,
onuDev.deviceType,
onuDev.deviceID,
onuDev.proxyDeviceID, ""); sendErr != nil {
return olterrors.NewErrCommunication("send-delete-tcont-to-onu-adapter",
log.Fields{
"from-adapter": f.deviceHandler.device.Type,
"to-adapter": onuDev.deviceType, "onu-id": onuDev.deviceID,
"proxyDeviceID": onuDev.proxyDeviceID,
"device-id": f.deviceHandler.device.Id}, sendErr)
}
logger.Infow("success-sending-del-tcont-to-onu-adapter",
log.Fields{
"msg": delTcontMsg,
"device-id": f.deviceHandler.device.Id})
return nil
}
func (f *OpenOltFlowMgr) deletePendingFlows(Intf uint32, onuID int32, uniID int32) {
pnFlDelKey := pendingFlowDeleteKey{Intf, uint32(onuID), uint32(uniID)}
if val, ok := f.pendingFlowDelete.Load(pnFlDelKey); ok {
if val.(int) > 0 {
pnFlDels := val.(int) - 1
if pnFlDels > 0 {
logger.Debugw("flow-delete-succeeded--more-pending",
log.Fields{
"intf": Intf,
"onu-id": onuID,
"uni-id": uniID,
"currpendingflowcnt": pnFlDels,
"device-id": f.deviceHandler.device.Id})
f.pendingFlowDelete.Store(pnFlDelKey, pnFlDels)
} else {
logger.Debugw("all-pending-flow-deletes-handled--removing-entry-from-map",
log.Fields{
"intf": Intf,
"onu-id": onuID,
"uni-id": uniID,
"device-id": f.deviceHandler.device.Id})
f.pendingFlowDelete.Delete(pnFlDelKey)
}
}
} else {
logger.Debugw("no-pending-delete-flows-found",
log.Fields{
"intf": Intf,
"onu-id": onuID,
"uni-id": uniID,
"device-id": f.deviceHandler.device.Id})
}
}
// Once the gemport is released for a given onu, it also has to be cleared from local cache
// which was used for deriving the gemport->logicalPortNo during packet-in.
// Otherwise stale info continues to exist after gemport is freed and wrong logicalPortNo
// is conveyed to ONOS during packet-in OF message.
func (f *OpenOltFlowMgr) deleteGemPortFromLocalCache(intfID uint32, onuID uint32, gemPortID uint32) {
f.onuGemInfoLock.Lock()
defer f.onuGemInfoLock.Unlock()
logger.Infow("deleting-gem-from-local-cache",
log.Fields{
"gem-port-id": gemPortID,
"intf-id": intfID,
"onu-id": onuID,
"device-id": f.deviceHandler.device.Id,
"onu-gem": f.onuGemInfo[intfID]})
onugem := f.onuGemInfo[intfID]
deleteLoop:
for i, onu := range onugem {
if onu.OnuID == onuID {
for j, gem := range onu.GemPorts {
// If the gemport is found, delete it from local cache.
if gem == gemPortID {
onu.GemPorts = append(onu.GemPorts[:j], onu.GemPorts[j+1:]...)
onugem[i] = onu
logger.Infow("removed-gemport-from-local-cache",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"deletedgemport-id": gemPortID,
"gemports": onu.GemPorts,
"device-id": f.deviceHandler.device.Id})
break deleteLoop
}
}
break deleteLoop
}
}
}
//clearResources clears pon resources in kv store and the device
// nolint: gocyclo
func (f *OpenOltFlowMgr) clearResources(ctx context.Context, flow *ofp.OfpFlowStats, Intf uint32, onuID int32, uniID int32,
gemPortID int32, flowID uint32, flowDirection string,
portNum uint32, updatedFlows []rsrcMgr.FlowInfo) error {
tpID, err := getTpIDFromFlow(flow)
if err != nil {
return olterrors.NewErrNotFound("tp-id",
log.Fields{
"flow": flow,
"intf": Intf,
"onu-id": onuID,
"uni-id": uniID,
"device-id": f.deviceHandler.device.Id}, err)
}
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.
if err := f.updateFlowInfoToKVStore(ctx, int32(Intf), int32(onuID), int32(uniID), flowID, &updatedFlows); err != nil {
olterrors.NewErrPersistence("update", "flow", flowID,
log.Fields{
"flow": updatedFlows,
"device-id": f.deviceHandler.device.Id}, err).Log()
}
if len(updatedFlows) == 0 {
// Do this for subscriber flows only (not trap from NNI flows)
if onuID != -1 && uniID != -1 {
pnFlDelKey := pendingFlowDeleteKey{Intf, uint32(onuID), uint32(uniID)}
if val, ok := f.pendingFlowDelete.Load(pnFlDelKey); !ok {
logger.Debugw("creating-entry-for-pending-flow-delete",
log.Fields{
"flow-id": flowID,
"intf": Intf,
"onu-id": onuID,
"uni-id": uniID,
"device-id": f.deviceHandler.device.Id})
f.pendingFlowDelete.Store(pnFlDelKey, 1)
} else {
pnFlDels := val.(int) + 1
logger.Debugw("updating-flow-delete-entry",
log.Fields{
"flow-id": flowID,
"intf": Intf,
"onu-id": onuID,
"uni-id": uniID,
"currPendingFlowCnt": pnFlDels,
"device-id": f.deviceHandler.device.Id})
f.pendingFlowDelete.Store(pnFlDelKey, pnFlDels)
}
defer f.deletePendingFlows(Intf, onuID, uniID)
}
logger.Debugw("releasing-flow-id-to-resource-manager",
log.Fields{
"Intf": Intf,
"onu-id": onuID,
"uni-id": uniID,
"flow-id": flowID,
"device-id": f.deviceHandler.device.Id})
f.resourceMgr.FreeFlowID(ctx, Intf, int32(onuID), int32(uniID), flowID)
uni := getUniPortPath(f.deviceHandler.device.Id, Intf, onuID, uniID)
tpPath := f.getTPpath(Intf, uni, tpID)
logger.Debugw("getting-techprofile-instance-for-subscriber",
log.Fields{
"TP-PATH": tpPath,
"device-id": f.deviceHandler.device.Id})
techprofileInst, err := f.techprofile[Intf].GetTPInstanceFromKVStore(ctx, tpID, tpPath)
if err != nil || techprofileInst == nil { // This should not happen, something wrong in KV backend transaction
return olterrors.NewErrNotFound("tech-profile-in-kv-store",
log.Fields{
"tp-id": tpID,
"path": tpPath}, err)
}
gemPK := gemPortKey{Intf, uint32(gemPortID)}
if f.isGemPortUsedByAnotherFlow(gemPK) {
flowIDs := f.flowsUsedByGemPort[gemPK]
for i, flowIDinMap := range flowIDs {
if flowIDinMap == flowID {
flowIDs = append(flowIDs[:i], flowIDs[i+1:]...)
// everytime flowsUsedByGemPort cache is updated the same should be updated
// in kv store by calling UpdateFlowIDsForGem
f.flowsUsedByGemPort[gemPK] = flowIDs
f.resourceMgr.UpdateFlowIDsForGem(ctx, Intf, uint32(gemPortID), flowIDs)
break
}
}
logger.Debugw("gem-port-id-is-still-used-by-other-flows",
log.Fields{
"gemport-id": gemPortID,
"usedByFlows": flowIDs,
"device-id": f.deviceHandler.device.Id})
return nil
}
logger.Debugf("gem-port-id %d is-not-used-by-another-flow--releasing-the-gem-port", gemPortID)
f.resourceMgr.RemoveGemPortIDForOnu(ctx, Intf, uint32(onuID), uint32(uniID), uint32(gemPortID))
// TODO: The TrafficQueue corresponding to this gem-port also should be removed immediately.
// But it is anyway eventually removed later when the TechProfile is freed, so not a big issue for now.
f.resourceMgr.RemoveGEMportPonportToOnuMapOnKVStore(ctx, uint32(gemPortID), Intf)
f.deleteGemPortFromLocalCache(Intf, uint32(onuID), uint32(gemPortID))
f.onuIdsLock.Lock()
//everytime an entry is deleted from flowsUsedByGemPort cache, the same should be updated in kv as well
// by calling DeleteFlowIDsForGem
delete(f.flowsUsedByGemPort, gemPK)
f.resourceMgr.DeleteFlowIDsForGem(ctx, Intf, uint32(gemPortID))
f.resourceMgr.FreeGemPortID(ctx, Intf, uint32(onuID), uint32(uniID), uint32(gemPortID))
f.onuIdsLock.Unlock()
// Delete the gem port on the ONU.
if err := f.sendDeleteGemPortToChild(Intf, uint32(onuID), uint32(uniID), uint32(gemPortID), tpPath); err != nil {
logger.Errorw("error-processing-delete-gem-port-towards-onu",
log.Fields{
"err": err,
"intf": Intf,
"onu-id": onuID,
"uni-id": uniID,
"device-id": f.deviceHandler.device.Id,
"gemport-id": gemPortID})
}
switch techprofileInst := techprofileInst.(type) {
case *tp.TechProfile:
ok, _ := f.isTechProfileUsedByAnotherGem(ctx, Intf, uint32(onuID), uint32(uniID), tpID, techprofileInst, uint32(gemPortID))
if !ok {
f.resourceMgr.RemoveTechProfileIDForOnu(ctx, Intf, uint32(onuID), uint32(uniID), tpID)
f.DeleteTechProfileInstance(ctx, Intf, uint32(onuID), uint32(uniID), "", tpID)
f.RemoveSchedulerQueues(ctx, schedQueue{direction: tp_pb.Direction_UPSTREAM, intfID: Intf, onuID: uint32(onuID), uniID: uint32(uniID), tpID: tpID, uniPort: portNum, tpInst: techprofileInst})
f.RemoveSchedulerQueues(ctx, schedQueue{direction: tp_pb.Direction_DOWNSTREAM, intfID: Intf, onuID: uint32(onuID), uniID: uint32(uniID), tpID: tpID, uniPort: portNum, tpInst: techprofileInst})
f.resourceMgr.FreeAllocID(ctx, Intf, uint32(onuID), uint32(uniID), techprofileInst.UsScheduler.AllocID)
// Delete the TCONT on the ONU.
if err := f.sendDeleteTcontToChild(Intf, uint32(onuID), uint32(uniID), uint32(techprofileInst.UsScheduler.AllocID), tpPath); err != nil {
logger.Errorw("error-processing-delete-tcont-towards-onu",
log.Fields{
"intf": Intf,
"onu-id": onuID,
"uni-id": uniID,
"device-id": f.deviceHandler.device.Id,
"alloc-id": techprofileInst.UsScheduler.AllocID})
}
}
case *tp.EponProfile:
f.resourceMgr.RemoveTechProfileIDForOnu(ctx, Intf, uint32(onuID), uint32(uniID), tpID)
f.DeleteTechProfileInstance(ctx, Intf, uint32(onuID), uint32(uniID), "", tpID)
f.resourceMgr.FreeAllocID(ctx, Intf, uint32(onuID), uint32(uniID), techprofileInst.AllocID)
// Delete the TCONT on the ONU.
if err := f.sendDeleteTcontToChild(Intf, uint32(onuID), uint32(uniID), uint32(techprofileInst.AllocID), tpPath); err != nil {
logger.Errorw("error-processing-delete-tcont-towards-onu",
log.Fields{
"intf": Intf,
"onu-id": onuID,
"uni-id": uniID,
"device-id": f.deviceHandler.device.Id,
"alloc-id": techprofileInst.AllocID})
}
default:
logger.Errorw("error-unknown-tech",
log.Fields{
"techprofileInst": techprofileInst})
}
}
}
return nil
}
// nolint: gocyclo
func (f *OpenOltFlowMgr) clearFlowFromResourceManager(ctx context.Context, flow *ofp.OfpFlowStats, flowDirection string) {
logger.Infow("clear-flow-from-resource-manager",
log.Fields{
"flowDirection": flowDirection,
"flow": *flow,
"device-id": f.deviceHandler.device.Id})
if flowDirection == Multicast {
f.clearMulticastFlowFromResourceManager(ctx, flow)
return
}
var updatedFlows []rsrcMgr.FlowInfo
classifierInfo := make(map[string]interface{})
portNum, Intf, onu, uni, inPort, ethType, err := FlowExtractInfo(flow, flowDirection)
if err != nil {
logger.Error(err)
return
}
onuID := int32(onu)
uniID := int32(uni)
for _, field := range flows.GetOfbFields(flow) {
if field.Type == flows.IP_PROTO {
classifierInfo[IPProto] = field.GetIpProto()
logger.Debugw("field-type-ip-proto", log.Fields{"classifierInfo[IP_PROTO]": classifierInfo[IPProto].(uint32)})
}
}
logger.Infow("extracted-access-info-from-flow-to-be-deleted",
log.Fields{
"flow-id": flow.Id,
"intf-id": Intf,
"onu-id": onuID,
"uni-id": uniID})
if ethType == LldpEthType || ((classifierInfo[IPProto] == IPProtoDhcp) && (flowDirection == "downstream")) {
onuID = -1
uniID = -1
logger.Debug("trap-on-nni-flow-set-oni--uni-to- -1")
Intf, err = IntfIDFromNniPortNum(inPort)
if err != nil {
logger.Errorw("invalid-in-port-number",
log.Fields{
"port-number": inPort,
"error": err})
return
}
}
flowIds := f.resourceMgr.GetCurrentFlowIDsForOnu(ctx, Intf, onuID, uniID)
for _, flowID := range flowIds {
flowInfo := f.resourceMgr.GetFlowIDInfo(ctx, Intf, onuID, uniID, flowID)
if flowInfo == nil {
logger.Debugw("no-flowinfo-found-in-kv-store",
log.Fields{
"intf": Intf,
"onu-id": onuID,
"uni-id": uniID,
"flow-id": flowID})
return
}
updatedFlows = nil
for _, flow := range *flowInfo {
updatedFlows = append(updatedFlows, flow)
}
for i, storedFlow := range updatedFlows {
if flow.Id == storedFlow.LogicalFlowID {
removeFlowMessage := openoltpb2.Flow{FlowId: storedFlow.Flow.FlowId, FlowType: storedFlow.Flow.FlowType}
logger.Debugw("flow-to-be-deleted", log.Fields{"flow": storedFlow})
// DKB
if err = f.removeFlowFromDevice(&removeFlowMessage, flow.Id); err != nil {
logger.Errorw("failed-to-remove-flow", log.Fields{"error": err})
return
}
logger.Info("flow-removed-from-device-successfully", log.Fields{
"flow-id": flow.Id,
"stored-flow": storedFlow,
"device-id": f.deviceHandler.device.Id,
"stored-flow-id": flowID,
"onu-id": onuID,
"intf": Intf,
})
//Remove the Flow from FlowInfo
updatedFlows = append(updatedFlows[:i], updatedFlows[i+1:]...)
if err = f.clearResources(ctx, flow, Intf, onuID, uniID, storedFlow.Flow.GemportId,
flowID, flowDirection, portNum, updatedFlows); err != nil {
logger.Error("failed-to-clear-resources-for-flow", log.Fields{
"flow-id": flow.Id,
"stored-flow": storedFlow,
"device-id": f.deviceHandler.device.Id,
"stored-flow-id": flowID,
"onu-id": onuID,
"intf": Intf,
})
return
}
}
}
}
}
//clearMulticastFlowFromResourceManager removes a multicast flow from the KV store and
// clears resources reserved for this multicast flow
func (f *OpenOltFlowMgr) clearMulticastFlowFromResourceManager(ctx context.Context, flow *ofp.OfpFlowStats) {
classifierInfo := make(map[string]interface{})
formulateClassifierInfoFromFlow(classifierInfo, flow)
networkInterfaceID, err := f.getNNIInterfaceIDOfMulticastFlow(ctx, classifierInfo)
if err != nil {
logger.Warnw("no-inport-found--cannot-release-resources-of-the-multicast-flow", log.Fields{"flowId:": flow.Id})
return
}
var onuID = int32(NoneOnuID)
var uniID = int32(NoneUniID)
var flowID uint32
var updatedFlows []rsrcMgr.FlowInfo
flowIds := f.resourceMgr.GetCurrentFlowIDsForOnu(ctx, networkInterfaceID, onuID, uniID)
for _, flowID = range flowIds {
flowInfo := f.resourceMgr.GetFlowIDInfo(ctx, networkInterfaceID, onuID, uniID, flowID)
if flowInfo == nil {
logger.Debugw("no-multicast-flowinfo-found-in-the-kv-store",
log.Fields{
"intf": networkInterfaceID,
"onu-id": onuID,
"uni-id": uniID,
"flow-id": flowID})
continue
}
updatedFlows = nil
for _, flow := range *flowInfo {
updatedFlows = append(updatedFlows, flow)
}
for i, storedFlow := range updatedFlows {
if flow.Id == storedFlow.LogicalFlowID {
removeFlowMessage := openoltpb2.Flow{FlowId: storedFlow.Flow.FlowId, FlowType: storedFlow.Flow.FlowType}
logger.Debugw("multicast-flow-to-be-deleted",
log.Fields{
"flow": storedFlow,
"flow-id": flow.Id,
"device-id": f.deviceHandler.device.Id})
//remove from device
if err := f.removeFlowFromDevice(&removeFlowMessage, flow.Id); err != nil {
// DKB
logger.Errorw("failed-to-remove-multicast-flow",
log.Fields{
"flow-id": flow.Id,
"error": err})
return
}
logger.Infow("multicast-flow-removed-from-device-successfully", log.Fields{"flow-id": flow.Id})
//Remove the Flow from FlowInfo
updatedFlows = append(updatedFlows[:i], updatedFlows[i+1:]...)
if err := f.updateFlowInfoToKVStore(ctx, int32(networkInterfaceID), NoneOnuID, NoneUniID, flowID, &updatedFlows); err != nil {
logger.Errorw("failed-to-delete-multicast-flow-from-the-kv-store",
log.Fields{"flow": storedFlow,
"err": err})
return
}
//release flow id
logger.Debugw("releasing-multicast-flow-id",
log.Fields{"flow-id": flowID,
"interfaceID": networkInterfaceID})
f.resourceMgr.FreeFlowID(ctx, uint32(networkInterfaceID), NoneOnuID, NoneUniID, flowID)
}
}
}
}
//RemoveFlow removes the flow from the device
func (f *OpenOltFlowMgr) RemoveFlow(ctx context.Context, flow *ofp.OfpFlowStats) error {
logger.Infow("removing-flow", log.Fields{"flow": *flow})
var direction string
actionInfo := make(map[string]interface{})
for _, action := range flows.GetActions(flow) {
if action.Type == flows.OUTPUT {
if out := action.GetOutput(); out != nil {
actionInfo[Output] = out.GetPort()
logger.Debugw("action-type-output", log.Fields{"out_port": actionInfo[Output].(uint32)})
} else {
logger.Error("invalid-output-port-in-action")
return olterrors.NewErrInvalidValue(log.Fields{"invalid-out-port-action": 0}, nil)
}
}
}
if flows.HasGroup(flow) {
direction = Multicast
f.clearFlowFromResourceManager(ctx, flow, direction)
return nil
} else if IsUpstream(actionInfo[Output].(uint32)) {
direction = Upstream
} else {
direction = Downstream
}
_, intfID, onuID, uniID, _, _, err := FlowExtractInfo(flow, direction)
if err != nil {
return err
}
userKey := tpLockKey{intfID, onuID, uniID}
// Serialize flow removes on a per subscriber basis
if f.perUserFlowHandleLock.TryLock(userKey) {
f.clearFlowFromResourceManager(ctx, flow, direction) //TODO: Take care of the limitations
f.perUserFlowHandleLock.Unlock(userKey)
} else {
// Ideally this should never happen
logger.Errorw("failed-to-acquire-lock-to-remove-flow--remove-aborted", log.Fields{"flow": flow})
return errors.New("failed-to-acquire-per-user-lock")
}
return nil
}
func (f *OpenOltFlowMgr) waitForFlowDeletesToCompleteForOnu(ctx context.Context, intfID uint32, onuID uint32,
uniID uint32, ch chan bool) {
pnFlDelKey := pendingFlowDeleteKey{intfID, onuID, uniID}
for {
select {
case <-time.After(20 * time.Millisecond):
if flowDelRefCnt, ok := f.pendingFlowDelete.Load(pnFlDelKey); !ok || flowDelRefCnt == 0 {
logger.Debug("pending-flow-deletes-completed")
ch <- true
return
}
case <-ctx.Done():
logger.Error("flow-delete-wait-handler-routine-canceled")
return
}
}
}
//isIgmpTrapDownstreamFlow return true if the flow is a downsteam IGMP trap-to-host flow; false otherwise
func isIgmpTrapDownstreamFlow(classifierInfo map[string]interface{}) bool {
if portType := IntfIDToPortTypeName(classifierInfo[InPort].(uint32)); portType == voltha.Port_ETHERNET_NNI {
if ethType, ok := classifierInfo[EthType]; ok {
if ethType.(uint32) == IPv4EthType {
if ipProto, ok := classifierInfo[IPProto]; ok {
if ipProto.(uint32) == IgmpProto {
return true
}
}
}
}
}
return false
}
// AddFlow add flow to device
// nolint: gocyclo
func (f *OpenOltFlowMgr) AddFlow(ctx context.Context, flow *ofp.OfpFlowStats, flowMetadata *voltha.FlowMetadata) error {
classifierInfo := make(map[string]interface{})
actionInfo := make(map[string]interface{})
var UsMeterID uint32
var DsMeterID uint32
logger.Infow("adding-flow",
log.Fields{
"flow": flow,
"flowmetadata": flowMetadata})
formulateClassifierInfoFromFlow(classifierInfo, flow)
err := formulateActionInfoFromFlow(actionInfo, classifierInfo, flow)
if err != nil {
// Error logging is already done in the called function
// So just return in case of error
return err
}
if flows.HasGroup(flow) {
// handle multicast flow
return f.handleFlowWithGroup(ctx, actionInfo, classifierInfo, flow)
}
/* Controller bound trap flows */
err = formulateControllerBoundTrapFlowInfo(actionInfo, classifierInfo, flow)
if err != nil {
// error if any, already logged in the called function
return err
}
logger.Debugw("flow-ports",
log.Fields{
"classifierinfo_inport": classifierInfo[InPort],
"action_output": actionInfo[Output]})
portNo, intfID, onuID, uniID := ExtractAccessFromFlow(classifierInfo[InPort].(uint32), actionInfo[Output].(uint32))
if ethType, ok := classifierInfo[EthType]; ok {
if ethType.(uint32) == LldpEthType {
logger.Info("adding-lldp-flow")
return f.addLLDPFlow(ctx, flow, portNo)
}
}
if ipProto, ok := classifierInfo[IPProto]; ok {
if ipProto.(uint32) == IPProtoDhcp {
if udpSrc, ok := classifierInfo[UDPSrc]; ok {
if udpSrc.(uint32) == uint32(67) || udpSrc.(uint32) == uint32(546) {
logger.Debug("trap-dhcp-from-nni-flow")
return f.addDHCPTrapFlowOnNNI(ctx, flow, classifierInfo, portNo)
}
}
}
}
if isIgmpTrapDownstreamFlow(classifierInfo) {
logger.Debug("trap-igmp-from-nni-flow")
return f.addIgmpTrapFlowOnNNI(ctx, flow, classifierInfo, portNo)
}
f.deviceHandler.AddUniPortToOnu(intfID, onuID, portNo)
f.resourceMgr.AddUniPortToOnuInfo(ctx, intfID, onuID, portNo)
TpID, err := getTpIDFromFlow(flow)
if err != nil {
return olterrors.NewErrNotFound("tpid-for-flow",
log.Fields{
"flow": flow,
"intf-id": IntfID,
"onu-id": onuID,
"uni-id": uniID}, err)
}
logger.Debugw("tpid-for-this-subcriber",
log.Fields{
"tp-id": TpID,
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID})
if IsUpstream(actionInfo[Output].(uint32)) {
UsMeterID = flows.GetMeterIdFromFlow(flow)
logger.Debugw("upstream-flow-meter-id", log.Fields{"us-meter-id": UsMeterID})
} else {
DsMeterID = flows.GetMeterIdFromFlow(flow)
logger.Debugw("downstream-flow-meter-id", log.Fields{"ds-meter-id": DsMeterID})
}
pnFlDelKey := pendingFlowDeleteKey{intfID, onuID, uniID}
if _, ok := f.pendingFlowDelete.Load(pnFlDelKey); !ok {
logger.Debugw("no-pending-flows-found--going-ahead-with-flow-install",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID})
f.divideAndAddFlow(ctx, intfID, onuID, uniID, portNo, classifierInfo, actionInfo, flow, uint32(TpID), UsMeterID, DsMeterID, flowMetadata)
} else {
pendingFlowDelComplete := make(chan bool)
go f.waitForFlowDeletesToCompleteForOnu(ctx, intfID, onuID, uniID, pendingFlowDelComplete)
select {
case <-pendingFlowDelComplete:
logger.Debugw("all-pending-flow-deletes-completed",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID})
f.divideAndAddFlow(ctx, intfID, onuID, uniID, portNo, classifierInfo, actionInfo, flow, uint32(TpID), UsMeterID, DsMeterID, flowMetadata)
case <-time.After(10 * time.Second):
return olterrors.NewErrTimeout("pending-flow-deletes",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID}, nil)
}
}
return nil
}
// handleFlowWithGroup adds multicast flow to the device.
func (f *OpenOltFlowMgr) handleFlowWithGroup(ctx context.Context, actionInfo, classifierInfo map[string]interface{}, flow *ofp.OfpFlowStats) error {
classifierInfo[PacketTagType] = DoubleTag
logger.Debugw("add-multicast-flow", log.Fields{
"classifier-info": classifierInfo,
"actionInfo": actionInfo})
networkInterfaceID, err := f.getNNIInterfaceIDOfMulticastFlow(ctx, classifierInfo)
if err != nil {
return olterrors.NewErrNotFound("multicast-in-port", log.Fields{"classifier": classifierInfo}, err)
}
//this variable acts like a switch. When it is set, multicast flows are classified by eth_dst.
//otherwise, classification is based on ipv4_dst by default.
//the variable can be configurable in the future; it can be read from a configuration path in the kv store.
mcastFlowClassificationByEthDst := false
if mcastFlowClassificationByEthDst {
//replace ipDst with ethDst
if ipv4Dst, ok := classifierInfo[Ipv4Dst]; ok &&
flows.IsMulticastIp(ipv4Dst.(uint32)) {
// replace ipv4_dst classifier with eth_dst
multicastMac := flows.ConvertToMulticastMacBytes(ipv4Dst.(uint32))
delete(classifierInfo, Ipv4Dst)
classifierInfo[EthDst] = multicastMac
logger.Debugw("multicast-ip-to-mac-conversion-success",
log.Fields{
"ip:": ipv4Dst.(uint32),
"mac:": multicastMac})
}
}
delete(classifierInfo, EthType)
onuID := NoneOnuID
uniID := NoneUniID
gemPortID := NoneGemPortID
flowStoreCookie := getFlowStoreCookie(classifierInfo, uint32(0))
if present := f.resourceMgr.IsFlowCookieOnKVStore(ctx, uint32(networkInterfaceID), int32(onuID), int32(uniID), flowStoreCookie); present {
logger.Infow("multicast-flow-exists-not-re-adding", log.Fields{"classifier-info": classifierInfo})
return nil
}
flowID, err := f.resourceMgr.GetFlowID(ctx, uint32(networkInterfaceID), int32(onuID), int32(uniID), uint32(gemPortID), flowStoreCookie, "", 0, 0)
if err != nil {
return olterrors.NewErrNotFound("multicast-flow-id",
log.Fields{
"interface-id": networkInterfaceID,
"onu-id": onuID,
"uni-id": uniID,
"gem-port-id": gemPortID,
"cookie": flowStoreCookie},
err)
}
classifierProto, err := makeOpenOltClassifierField(classifierInfo)
if err != nil {
return olterrors.NewErrInvalidValue(log.Fields{"classifier": classifierInfo}, err)
}
groupID := actionInfo[GroupID].(uint32)
multicastFlow := openoltpb2.Flow{
FlowId: flowID,
FlowType: Multicast,
NetworkIntfId: int32(networkInterfaceID),
GroupId: groupID,
Classifier: classifierProto,
Priority: int32(flow.Priority),
Cookie: flow.Cookie}
if err = f.addFlowToDevice(ctx, flow, &multicastFlow); err != nil {
return olterrors.NewErrFlowOp("add", flowID, log.Fields{"flow": multicastFlow}, err)
}
logger.Info("multicast-flow-added-to-device-successfully")
//get cached group
group, _, err := f.GetFlowGroupFromKVStore(ctx, groupID, true)
if err == nil {
//calling groupAdd to set group members after multicast flow creation
if err = f.ModifyGroup(ctx, group); err == nil {
//cached group can be removed now
f.resourceMgr.RemoveFlowGroupFromKVStore(ctx, groupID, true)
} else {
return olterrors.NewErrGroupOp("modify", groupID, log.Fields{"group": group}, err)
}
}
flowsToKVStore := f.getUpdatedFlowInfo(ctx, &multicastFlow, flowStoreCookie, MulticastFlow, flowID, flow.Id)
if err = f.updateFlowInfoToKVStore(ctx, int32(networkInterfaceID),
int32(onuID),
int32(uniID),
flowID, flowsToKVStore); err != nil {
return olterrors.NewErrPersistence("update", "flow", flowID, log.Fields{"flow": multicastFlow}, err)
}
return nil
}
//getNNIInterfaceIDOfMulticastFlow returns associated NNI interface id of the inPort criterion if exists; returns the first NNI interface of the device otherwise
func (f *OpenOltFlowMgr) getNNIInterfaceIDOfMulticastFlow(ctx context.Context, classifierInfo map[string]interface{}) (uint32, error) {
if inPort, ok := classifierInfo[InPort]; ok {
nniInterfaceID, err := IntfIDFromNniPortNum(inPort.(uint32))
if err != nil {
return 0, olterrors.NewErrInvalidValue(log.Fields{"nni-in-port-number": inPort}, err)
}
return nniInterfaceID, nil
}
// find the first NNI interface id of the device
nniPorts, e := f.resourceMgr.GetNNIFromKVStore(ctx)
if e == nil && len(nniPorts) > 0 {
return nniPorts[0], nil
}
return 0, olterrors.NewErrNotFound("nni-port", nil, e).Log()
}
// AddGroup add or update the group
func (f *OpenOltFlowMgr) AddGroup(ctx context.Context, group *ofp.OfpGroupEntry) error {
logger.Infow("add-group", log.Fields{"group": group})
if group == nil {
return olterrors.NewErrInvalidValue(log.Fields{"group": group}, nil)
}
groupToOlt := openoltpb2.Group{
GroupId: group.Desc.GroupId,
Command: openoltpb2.Group_SET_MEMBERS,
Action: f.buildGroupAction(),
}
logger.Debugw("sending-group-to-device", log.Fields{"groupToOlt": groupToOlt})
_, err := f.deviceHandler.Client.PerformGroupOperation(ctx, &groupToOlt)
if err != nil {
return olterrors.NewErrAdapter("add-group-operation-failed", log.Fields{"groupToOlt": groupToOlt}, err)
}
// group members not created yet. So let's store the group
if err := f.resourceMgr.AddFlowGroupToKVStore(ctx, group, true); err != nil {
return olterrors.NewErrPersistence("add", "flow-group", group.Desc.GroupId, log.Fields{"group": group}, err)
}
logger.Infow("add-group-operation-performed-on-the-device-successfully ", log.Fields{"groupToOlt": groupToOlt})
return nil
}
//buildGroupAction creates and returns a group action
func (f *OpenOltFlowMgr) buildGroupAction() *openoltpb2.Action {
var actionCmd openoltpb2.ActionCmd
var action openoltpb2.Action
action.Cmd = &actionCmd
//pop outer vlan
action.Cmd.RemoveOuterTag = true
return &action
}
// ModifyGroup updates the group
func (f *OpenOltFlowMgr) ModifyGroup(ctx context.Context, group *ofp.OfpGroupEntry) error {
logger.Infow("modify-group", log.Fields{"group": group})
if group == nil || group.Desc == nil {
return olterrors.NewErrInvalidValue(log.Fields{"group": group}, nil)
}
newGroup := f.buildGroup(group.Desc.GroupId, group.Desc.Buckets)
//get existing members of the group
val, groupExists, err := f.GetFlowGroupFromKVStore(ctx, group.Desc.GroupId, false)
if err != nil {
return olterrors.NewErrNotFound("flow-group-in-kv-store", log.Fields{"groupId": group.Desc.GroupId}, err)
}
var current *openoltpb2.Group // represents the group on the device
if groupExists {
// group already exists
current = f.buildGroup(group.Desc.GroupId, val.Desc.GetBuckets())
logger.Debugw("modify-group--group exists",
log.Fields{
"group on the device": val,
"new": group})
} else {
current = f.buildGroup(group.Desc.GroupId, nil)
}
logger.Debugw("modify-group--comparing-current-and-new",
log.Fields{
"group on the device": current,
"new": newGroup})
// get members to be added
membersToBeAdded := f.findDiff(current, newGroup)
// get members to be removed
membersToBeRemoved := f.findDiff(newGroup, current)
logger.Infow("modify-group--differences found", log.Fields{
"membersToBeAdded": membersToBeAdded,
"membersToBeRemoved": membersToBeRemoved,
"groupId": group.Desc.GroupId})
groupToOlt := openoltpb2.Group{
GroupId: group.Desc.GroupId,
}
var errAdd, errRemoved error
if membersToBeAdded != nil && len(membersToBeAdded) > 0 {
groupToOlt.Command = openoltpb2.Group_ADD_MEMBERS
groupToOlt.Members = membersToBeAdded
//execute addMembers
errAdd = f.callGroupAddRemove(&groupToOlt)
}
if membersToBeRemoved != nil && len(membersToBeRemoved) > 0 {
groupToOlt.Command = openoltpb2.Group_REMOVE_MEMBERS
groupToOlt.Members = membersToBeRemoved
//execute removeMembers
errRemoved = f.callGroupAddRemove(&groupToOlt)
}
//save the modified group
if errAdd == nil && errRemoved == nil {
if err := f.resourceMgr.AddFlowGroupToKVStore(ctx, group, false); err != nil {
return olterrors.NewErrPersistence("add", "flow-group", group.Desc.GroupId, log.Fields{"group": group}, err)
}
logger.Infow("modify-group-was-success--storing-group",
log.Fields{
"group": group,
"existingGroup": current})
} else {
logger.Warnw("one-of-the-group-add/remove-operations-failed--cannot-save-group-modifications",
log.Fields{"group": group})
if errAdd != nil {
return errAdd
}
return errRemoved
}
return nil
}
//callGroupAddRemove performs add/remove buckets operation for the indicated group
func (f *OpenOltFlowMgr) callGroupAddRemove(group *openoltpb2.Group) error {
if err := f.performGroupOperation(group); err != nil {
st, _ := status.FromError(err)
//ignore already exists error code
if st.Code() != codes.AlreadyExists {
return olterrors.NewErrGroupOp("groupAddRemove", group.GroupId, log.Fields{"status": st}, err)
}
}
return nil
}
//findDiff compares group members and finds members which only exists in groups2
func (f *OpenOltFlowMgr) findDiff(group1 *openoltpb2.Group, group2 *openoltpb2.Group) []*openoltpb2.GroupMember {
var members []*openoltpb2.GroupMember
for _, bucket := range group2.Members {
if !f.contains(group1.Members, bucket) {
// bucket does not exist and must be added
members = append(members, bucket)
}
}
return members
}
//contains returns true if the members list contains the given member; false otherwise
func (f *OpenOltFlowMgr) contains(members []*openoltpb2.GroupMember, member *openoltpb2.GroupMember) bool {
for _, groupMember := range members {
if groupMember.InterfaceId == member.InterfaceId {
return true
}
}
return false
}
//performGroupOperation call performGroupOperation operation of openolt proto
func (f *OpenOltFlowMgr) performGroupOperation(group *openoltpb2.Group) error {
logger.Debugw("sending-group-to-device",
log.Fields{
"groupToOlt": group,
"command": group.Command})
_, err := f.deviceHandler.Client.PerformGroupOperation(context.Background(), group)
if err != nil {
return olterrors.NewErrAdapter("group-operation-failed", log.Fields{"groupToOlt": group}, err)
}
return nil
}
//buildGroup build openoltpb2.Group from given group id and bucket list
func (f *OpenOltFlowMgr) buildGroup(groupID uint32, buckets []*ofp.OfpBucket) *openoltpb2.Group {
group := openoltpb2.Group{
GroupId: groupID}
// create members of the group
if buckets != nil {
for _, ofBucket := range buckets {
member := f.buildMember(ofBucket)
if member != nil && !f.contains(group.Members, member) {
group.Members = append(group.Members, member)
}
}
}
return &group
}
//buildMember builds openoltpb2.GroupMember from an OpenFlow bucket
func (f *OpenOltFlowMgr) buildMember(ofBucket *ofp.OfpBucket) *openoltpb2.GroupMember {
var outPort uint32
outPortFound := false
for _, ofAction := range ofBucket.Actions {
if ofAction.Type == ofp.OfpActionType_OFPAT_OUTPUT {
outPort = ofAction.GetOutput().Port
outPortFound = true
}
}
if !outPortFound {
logger.Debugw("bucket-skipped-since-no-out-port-found-in-it", log.Fields{"ofBucket": ofBucket})
return nil
}
interfaceID := IntfIDFromUniPortNum(outPort)
logger.Debugw("got-associated-interface-id-of-the-port",
log.Fields{
"portNumber:": outPort,
"interfaceId:": interfaceID})
if groupInfo, ok := f.interfaceToMcastQueueMap[interfaceID]; ok {
member := openoltpb2.GroupMember{
InterfaceId: interfaceID,
InterfaceType: openoltpb2.GroupMember_PON,
GemPortId: groupInfo.gemPortID,
Priority: groupInfo.servicePriority,
}
//add member to the group
return &member
}
logger.Warnf("bucket-skipped-since-interface-2-gem-mapping-cannot-be-found", log.Fields{"ofBucket": ofBucket})
return nil
}
//sendTPDownloadMsgToChild send payload
func (f *OpenOltFlowMgr) sendTPDownloadMsgToChild(intfID uint32, onuID uint32, uniID uint32, uni string, TpID uint32) error {
onuDev, err := f.getOnuDevice(intfID, onuID)
if err != nil {
logger.Errorw("couldnt-find-onu-child-device",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID})
return err
}
logger.Debugw("got-child-device-from-olt-device-handler", log.Fields{"onu-id": onuDev.deviceID})
tpPath := f.getTPpath(intfID, uni, TpID)
tpDownloadMsg := &ic.InterAdapterTechProfileDownloadMessage{UniId: uniID, Path: tpPath}
logger.Debugw("sending-load-tech-profile-request-to-brcm-onu-adapter", log.Fields{"tpDownloadMsg": *tpDownloadMsg})
sendErr := f.deviceHandler.AdapterProxy.SendInterAdapterMessage(context.Background(),
tpDownloadMsg,
ic.InterAdapterMessageType_TECH_PROFILE_DOWNLOAD_REQUEST,
f.deviceHandler.device.Type,
onuDev.deviceType,
onuDev.deviceID,
onuDev.proxyDeviceID, "")
if sendErr != nil {
return olterrors.NewErrCommunication("send-techprofile-download-request",
log.Fields{
"from-adapter": f.deviceHandler.device.Type,
"to-adapter": onuDev.deviceType,
"onu-id": onuDev.deviceID,
"proxyDeviceID": onuDev.proxyDeviceID}, sendErr)
}
logger.Infow("success-sending-load-tech-profile-request-to-brcm-onu-adapter", log.Fields{"tpDownloadMsg": *tpDownloadMsg})
return nil
}
//UpdateOnuInfo function adds onu info to cache and kvstore
func (f *OpenOltFlowMgr) UpdateOnuInfo(ctx context.Context, intfID uint32, onuID uint32, serialNum string) error {
f.onuGemInfoLock.Lock()
defer f.onuGemInfoLock.Unlock()
onu := rsrcMgr.OnuGemInfo{OnuID: onuID, SerialNumber: serialNum, IntfID: intfID}
f.onuGemInfo[intfID] = append(f.onuGemInfo[intfID], onu)
if err := f.resourceMgr.AddOnuGemInfo(ctx, intfID, onu); err != nil {
return err
}
logger.Infow("updated-onuinfo",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"serial-num": serialNum,
"onu": onu,
"device-id": f.deviceHandler.device.Id})
return nil
}
//addGemPortToOnuInfoMap function adds GEMport to ONU map
func (f *OpenOltFlowMgr) addGemPortToOnuInfoMap(ctx context.Context, intfID uint32, onuID uint32, gemPort uint32) {
f.onuGemInfoLock.Lock()
defer f.onuGemInfoLock.Unlock()
logger.Infow("adding-gem-to-onu-info-map",
log.Fields{
"gem-port-id": gemPort,
"intf-id": intfID,
"onu-id": onuID,
"device-id": f.deviceHandler.device.Id,
"onu-gem": f.onuGemInfo[intfID]})
onugem := f.onuGemInfo[intfID]
// update the gem to the local cache as well as to kv strore
for idx, onu := range onugem {
if onu.OnuID == onuID {
// check if gem already exists , else update the cache and kvstore
for _, gem := range onu.GemPorts {
if gem == gemPort {
logger.Debugw("gem-already-in-cache-no-need-to-update-cache-and-kv-store",
log.Fields{
"gem": gemPort,
"device-id": f.deviceHandler.device.Id})
return
}
}
onugem[idx].GemPorts = append(onugem[idx].GemPorts, gemPort)
f.onuGemInfo[intfID] = onugem
}
}
err := f.resourceMgr.AddGemToOnuGemInfo(ctx, intfID, onuID, gemPort)
if err != nil {
logger.Errorw("failed-to-add-gem-to-onu",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"gemPort": gemPort,
"device-id": f.deviceHandler.device.Id})
return
}
logger.Infow("gem-added-to-onu-info-map",
log.Fields{
"gem-port-id": gemPort,
"intf-id": intfID,
"onu-id": onuID,
"device-id": f.deviceHandler.device.Id,
"onu-gem": f.onuGemInfo[intfID]})
}
// 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(intfID uint32, gemPortID uint32) (uint32, error) {
f.onuGemInfoLock.RLock()
defer f.onuGemInfoLock.RUnlock()
logger.Infow("getting-onu-id-from-gem-port-and-pon-port",
log.Fields{
"device-id": f.deviceHandler.device.Id,
"onu-geminfo": f.onuGemInfo[intfID],
"intf-id": intfID,
"gemport-id": gemPortID})
// get onuid from the onugem info cache
onugem := f.onuGemInfo[intfID]
for _, onu := range onugem {
for _, gem := range onu.GemPorts {
if gem == gemPortID {
return onu.OnuID, nil
}
}
}
logger.Errorw("onu-id-from-gem-port-not-found", log.Fields{
"gem-port-id": gemPortID,
"interface-id": intfID,
"all-gems-on-port": onu,
})
return uint32(0), olterrors.NewErrNotFound("onu-id", log.Fields{
"interface-id": intfID,
"gem-port-id": gemPortID},
nil)
}
//GetLogicalPortFromPacketIn function computes logical port UNI/NNI port from packet-in indication and returns the same
func (f *OpenOltFlowMgr) GetLogicalPortFromPacketIn(ctx context.Context, packetIn *openoltpb2.PacketIndication) (uint32, error) {
var logicalPortNum uint32
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 {
// Called method is returning error with all data populated; just return the same
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
f.UpdateGemPortForPktIn(ctx, packetIn.IntfId, onuID, logicalPortNum, packetIn.GemportId, packetIn.Pkt)
} else if packetIn.IntfType == "nni" {
logicalPortNum = IntfIDToPortNo(packetIn.IntfId, voltha.Port_ETHERNET_NNI)
}
logger.Infow("retrieved-logicalport-from-packet-in",
log.Fields{
"logical-port-num": logicalPortNum,
"intf-type": packetIn.IntfType,
"packet": hex.EncodeToString(packetIn.Pkt),
})
return logicalPortNum, nil
}
//GetPacketOutGemPortID returns gemPortId
func (f *OpenOltFlowMgr) GetPacketOutGemPortID(ctx context.Context, intfID uint32, onuID uint32, portNum uint32, packet []byte) (uint32, error) {
var gemPortID uint32
ctag, priority, err := getCTagFromPacket(ctx, packet)
if err != nil {
return 0, err
}
f.onuGemInfoLock.RLock()
defer f.onuGemInfoLock.RUnlock()
pktInkey := rsrcMgr.PacketInInfoKey{IntfID: intfID, OnuID: onuID, LogicalPort: portNum, VlanID: ctag, Priority: priority}
var ok bool
gemPortID, ok = f.packetInGemPort[pktInkey]
if ok {
logger.Debugw("found-gemport-for-pktin-key",
log.Fields{
"pktinkey": pktInkey,
"gem": gemPortID})
return gemPortID, nil
}
//If gem is not found in cache try to get it from kv store, if found in kv store, update the cache and return.
gemPortID, err = f.resourceMgr.GetGemPortFromOnuPktIn(ctx, pktInkey)
if err == nil {
if gemPortID != 0 {
f.packetInGemPort[pktInkey] = gemPortID
logger.Infow("found-gem-port-from-kv-store-and-updating-cache-with-gemport",
log.Fields{
"pktinkey": pktInkey,
"gem": gemPortID})
return gemPortID, nil
}
}
return uint32(0), olterrors.NewErrNotFound("gem-port",
log.Fields{
"pktinkey": pktInkey,
"gem": gemPortID}, err)
}
// nolint: gocyclo
func installFlowOnAllGemports(ctx context.Context,
f1 func(ctx context.Context, intfId uint32, onuId uint32, uniId uint32,
portNo uint32, classifier map[string]interface{}, action map[string]interface{},
logicalFlow *ofp.OfpFlowStats, allocId uint32, gemPortId uint32, tpID uint32) error,
f2 func(ctx context.Context, intfId uint32, onuId uint32, uniId uint32, portNo uint32,
classifier map[string]interface{}, action map[string]interface{},
logicalFlow *ofp.OfpFlowStats, allocId uint32, gemPortId uint32, vlanId uint32,
tpID uint32) error,
args map[string]uint32,
classifier map[string]interface{}, action map[string]interface{},
logicalFlow *ofp.OfpFlowStats,
gemPorts []uint32,
TpInst interface{},
FlowType string,
direction string,
tpID uint32,
vlanID ...uint32) {
logger.Debugw("installing-flow-on-all-gem-ports",
log.Fields{
"FlowType": FlowType,
"gemPorts": gemPorts,
"vlan": vlanID})
// The bit mapping for a gemport is expressed in tech-profile as a binary string. For example, 0b00000001
// We need to trim prefix "0b", before further processing
// Once the "0b" prefix is trimmed, we iterate each character in the string to identify which index
// in the string is set to binary bit 1 (expressed as char '1' in the binary string).
// If a particular character in the string is set to '1', identify the index of this character from
// the LSB position which marks the PCP bit consumed by the given gem port.
// This PCP bit now becomes a classifier in the flow.
switch TpInst := TpInst.(type) {
case *tp.TechProfile:
attributes := TpInst.DownstreamGemPortAttributeList
if direction == Upstream {
attributes = TpInst.UpstreamGemPortAttributeList
}
for _, gemPortAttribute := range attributes {
if direction == Downstream && strings.ToUpper(gemPortAttribute.IsMulticast) == "TRUE" {
continue
}
gemPortID := gemPortAttribute.GemportID
if allPbitsMarked(gemPortAttribute.PbitMap) {
classifier[VlanPcp] = uint32(VlanPCPMask)
if FlowType == DhcpFlow || FlowType == IgmpFlow || FlowType == HsiaFlow {
f1(ctx, args["intfId"], args["onuId"], args["uniId"], args["portNo"], classifier, action, logicalFlow, args["allocId"], gemPortID, tpID)
} else if FlowType == EapolFlow {
f2(ctx, args["intfId"], args["onuId"], args["uniId"], args["portNo"], classifier, action, logicalFlow, args["allocId"], gemPortID, vlanID[0], tpID)
}
} else {
for pos, pbitSet := range strings.TrimPrefix(gemPortAttribute.PbitMap, BinaryStringPrefix) {
if pbitSet == BinaryBit1 {
classifier[VlanPcp] = uint32(len(strings.TrimPrefix(gemPortAttribute.PbitMap, BinaryStringPrefix))) - 1 - uint32(pos)
if FlowType == DhcpFlow || FlowType == IgmpFlow || FlowType == HsiaFlow {
f1(ctx, args["intfId"], args["onuId"], args["uniId"], args["portNo"], classifier, action, logicalFlow, args["allocId"], gemPortID, tpID)
} else if FlowType == EapolFlow {
f2(ctx, args["intfId"], args["onuId"], args["uniId"], args["portNo"], classifier, action, logicalFlow, args["allocId"], gemPortID, vlanID[0], tpID)
}
}
}
}
}
case *tp.EponProfile:
if direction == Upstream {
attributes := TpInst.UpstreamQueueAttributeList
for _, queueAttribute := range attributes {
gemPortID := queueAttribute.GemportID
if allPbitsMarked(queueAttribute.PbitMap) {
classifier[VlanPcp] = uint32(VlanPCPMask)
if FlowType == DhcpFlow || FlowType == IgmpFlow || FlowType == HsiaFlow {
f1(ctx, args["intfId"], args["onuId"], args["uniId"], args["portNo"], classifier, action, logicalFlow, args["allocId"], gemPortID, tpID)
} else if FlowType == EapolFlow {
f2(ctx, args["intfId"], args["onuId"], args["uniId"], args["portNo"], classifier, action, logicalFlow, args["allocId"], gemPortID, vlanID[0], tpID)
}
} else {
for pos, pbitSet := range strings.TrimPrefix(queueAttribute.PbitMap, BinaryStringPrefix) {
if pbitSet == BinaryBit1 {
classifier[VlanPcp] = uint32(len(strings.TrimPrefix(queueAttribute.PbitMap, BinaryStringPrefix))) - 1 - uint32(pos)
if FlowType == DhcpFlow || FlowType == IgmpFlow || FlowType == HsiaFlow {
f1(ctx, args["intfId"], args["onuId"], args["uniId"], args["portNo"], classifier, action, logicalFlow, args["allocId"], gemPortID, tpID)
} else if FlowType == EapolFlow {
f2(ctx, args["intfId"], args["onuId"], args["uniId"], args["portNo"], classifier, action, logicalFlow, args["allocId"], gemPortID, vlanID[0], tpID)
}
}
}
}
}
} else {
attributes := TpInst.DownstreamQueueAttributeList
for _, queueAttribute := range attributes {
gemPortID := queueAttribute.GemportID
if allPbitsMarked(queueAttribute.PbitMap) {
classifier[VlanPcp] = uint32(VlanPCPMask)
if FlowType == DhcpFlow || FlowType == IgmpFlow || FlowType == HsiaFlow {
f1(ctx, args["intfId"], args["onuId"], args["uniId"], args["portNo"], classifier, action, logicalFlow, args["allocId"], gemPortID, tpID)
} else if FlowType == EapolFlow {
f2(ctx, args["intfId"], args["onuId"], args["uniId"], args["portNo"], classifier, action, logicalFlow, args["allocId"], gemPortID, vlanID[0], tpID)
}
} else {
for pos, pbitSet := range strings.TrimPrefix(queueAttribute.PbitMap, BinaryStringPrefix) {
if pbitSet == BinaryBit1 {
classifier[VlanPcp] = uint32(len(strings.TrimPrefix(queueAttribute.PbitMap, BinaryStringPrefix))) - 1 - uint32(pos)
if FlowType == DhcpFlow || FlowType == IgmpFlow || FlowType == HsiaFlow {
f1(ctx, args["intfId"], args["onuId"], args["uniId"], args["portNo"], classifier, action, logicalFlow, args["allocId"], gemPortID, tpID)
} else if FlowType == EapolFlow {
f2(ctx, args["intfId"], args["onuId"], args["uniId"], args["portNo"], classifier, action, logicalFlow, args["allocId"], gemPortID, vlanID[0], tpID)
}
}
}
}
}
}
default:
logger.Errorw("unknown-tech", log.Fields{"tpInst": TpInst})
}
}
func allPbitsMarked(pbitMap string) bool {
for pos, pBit := range pbitMap {
if pos >= 2 && pBit != BinaryBit1 {
return false
}
}
return true
}
func (f *OpenOltFlowMgr) addDHCPTrapFlowOnNNI(ctx context.Context, logicalFlow *ofp.OfpFlowStats, classifier map[string]interface{}, portNo uint32) error {
logger.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, err := getNniIntfID(classifier, action)
if err != nil {
return olterrors.NewErrNotFound("nni-intreface-id",
log.Fields{
"classifier": classifier,
"action": action},
err)
}
flowStoreCookie := getFlowStoreCookie(classifier, uint32(0))
if present := f.resourceMgr.IsFlowCookieOnKVStore(ctx, uint32(networkInterfaceID), int32(onuID), int32(uniID), flowStoreCookie); present {
logger.Info("flow-exists-not-re-adding")
return nil
}
flowID, err := f.resourceMgr.GetFlowID(ctx, uint32(networkInterfaceID), int32(onuID), int32(uniID), uint32(gemPortID), flowStoreCookie, "", 0, 0)
if err != nil {
return olterrors.NewErrNotFound("dhcp-trap-nni-flow-id",
log.Fields{
"interface-id": networkInterfaceID,
"onu-id": onuID,
"uni-id": uniID,
"gem-port-id": gemPortID,
"cookie": flowStoreCookie},
err)
}
classifierProto, err := makeOpenOltClassifierField(classifier)
if err != nil {
return olterrors.NewErrInvalidValue(log.Fields{"classifier": classifier}, err)
}
logger.Debugw("created-classifier-proto", log.Fields{"classifier": *classifierProto})
actionProto, err := makeOpenOltActionField(action, classifier)
if err != nil {
return olterrors.NewErrInvalidValue(log.Fields{"action": action}, err)
}
logger.Debugw("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 err := f.addFlowToDevice(ctx, logicalFlow, &downstreamflow); err != nil {
return olterrors.NewErrFlowOp("add", flowID, log.Fields{"flow": downstreamflow}, err)
}
logger.Info("dhcp-trap-on-nni-flow-added–to-device-successfully")
flowsToKVStore := f.getUpdatedFlowInfo(ctx, &downstreamflow, flowStoreCookie, "", flowID, logicalFlow.Id)
if err := f.updateFlowInfoToKVStore(ctx, int32(networkInterfaceID),
int32(onuID),
int32(uniID),
flowID, flowsToKVStore); err != nil {
return olterrors.NewErrPersistence("update", "flow", flowID, log.Fields{"flow": downstreamflow}, err)
}
return nil
}
//getPacketTypeFromClassifiers finds and returns packet type of a flow by checking flow classifiers
func getPacketTypeFromClassifiers(classifierInfo map[string]interface{}) string {
var packetType string
ovid, ivid := false, false
if vlanID, ok := classifierInfo[VlanVid].(uint32); ok {
vid := vlanID & VlanvIDMask
if vid != ReservedVlan {
ovid = true
}
}
if metadata, ok := classifierInfo[Metadata].(uint64); ok {
vid := uint32(metadata)
if vid != ReservedVlan {
ivid = true
}
}
if ovid && ivid {
packetType = DoubleTag
} else if !ovid && !ivid {
packetType = Untagged
} else {
packetType = SingleTag
}
return packetType
}
//addIgmpTrapFlowOnNNI adds a trap-to-host flow on NNI
func (f *OpenOltFlowMgr) addIgmpTrapFlowOnNNI(ctx context.Context, logicalFlow *ofp.OfpFlowStats, classifier map[string]interface{}, portNo uint32) error {
logger.Infow("adding-igmp-trap-of-nni-flow", log.Fields{"classifier-info": classifier})
action := make(map[string]interface{})
classifier[PacketTagType] = getPacketTypeFromClassifiers(classifier)
action[TrapToHost] = true
/* We manage flowId resource pool on per PON port basis.
Since this situation is tricky, as a hack, we pass the NNI port
index (network_intf_id) as PON port Index for the flowId resource
pool. Also, there is no ONU Id available for trapping packets
on NNI port, use onu_id as -1 (invalid)
****************** CAVEAT *******************
This logic works if the NNI Port Id falls within the same valid
range of PON Port Ids. If this doesn't work for some OLT Vendor
we need to have a re-look at this.
*********************************************
*/
onuID := -1
uniID := -1
gemPortID := -1
allocID := -1
networkInterfaceID, err := getNniIntfID(classifier, action)
if err != nil {
return olterrors.NewErrNotFound("nni-interface-id", log.Fields{
"classifier": classifier,
"action": action},
err)
}
flowStoreCookie := getFlowStoreCookie(classifier, uint32(0))
if present := f.resourceMgr.IsFlowCookieOnKVStore(ctx, uint32(networkInterfaceID), int32(onuID), int32(uniID), flowStoreCookie); present {
logger.Info("igmp-flow-exists-not-re-adding")
return nil
}
flowID, err := f.resourceMgr.GetFlowID(ctx, uint32(networkInterfaceID), int32(onuID), int32(uniID), uint32(gemPortID), flowStoreCookie, "", 0, 0)
if err != nil {
return olterrors.NewErrNotFound("igmp-flow-id",
log.Fields{
"interface-id": networkInterfaceID,
"onu-id": onuID,
"uni-id": uniID,
"gem-port-id": gemPortID,
"cookie": flowStoreCookie},
err)
}
classifierProto, err := makeOpenOltClassifierField(classifier)
if err != nil {
return olterrors.NewErrInvalidValue(log.Fields{"classifier": classifier}, err)
}
logger.Debugw("created-classifier-proto-for-the-igmp-flow", log.Fields{"classifier": *classifierProto})
actionProto, err := makeOpenOltActionField(action, classifier)
if err != nil {
return olterrors.NewErrInvalidValue(log.Fields{"action": action}, err)
}
logger.Debugw("created-action-proto-for-the-igmp-flow", log.Fields{"action": *actionProto})
downstreamflow := openoltpb2.Flow{AccessIntfId: int32(-1), // AccessIntfId not required
OnuId: int32(onuID), // OnuId not required
UniId: int32(uniID), // UniId not used
FlowId: 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 err := f.addFlowToDevice(ctx, logicalFlow, &downstreamflow); err != nil {
return olterrors.NewErrFlowOp("add", flowID, log.Fields{"flow": downstreamflow}, err)
}
logger.Info("igmp-trap-on-nni-flow-added-to-device-successfully")
flowsToKVStore := f.getUpdatedFlowInfo(ctx, &downstreamflow, flowStoreCookie, "", flowID, logicalFlow.Id)
if err := f.updateFlowInfoToKVStore(ctx, int32(networkInterfaceID),
int32(onuID),
int32(uniID),
flowID, flowsToKVStore); err != nil {
return olterrors.NewErrPersistence("update", "flow", flowID, log.Fields{"flow": downstreamflow}, err)
}
return nil
}
func verifyMeterIDAndGetDirection(MeterID uint32, Dir tp_pb.Direction) (string, error) {
if MeterID == 0 { // This should never happen
return "", olterrors.NewErrInvalidValue(log.Fields{"meter-id": MeterID}, nil).Log()
}
if Dir == tp_pb.Direction_UPSTREAM {
return "upstream", nil
} else if Dir == tp_pb.Direction_DOWNSTREAM {
return "downstream", nil
}
return "", nil
}
func (f *OpenOltFlowMgr) checkAndAddFlow(ctx context.Context, args map[string]uint32, classifierInfo map[string]interface{},
actionInfo map[string]interface{}, flow *ofp.OfpFlowStats, TpInst interface{}, gemPorts []uint32,
tpID uint32, uni string) {
var gemPort uint32
intfID := args[IntfID]
onuID := args[OnuID]
uniID := args[UniID]
portNo := args[PortNo]
allocID := args[AllocID]
if ipProto, ok := classifierInfo[IPProto]; ok {
if ipProto.(uint32) == IPProtoDhcp {
logger.Infow("adding-dhcp-flow", log.Fields{
"tp-id": tpID,
"alloc-id": allocID,
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID,
})
if pcp, ok := classifierInfo[VlanPcp]; ok {
gemPort = f.techprofile[intfID].GetGemportIDForPbit(TpInst,
tp_pb.Direction_UPSTREAM,
pcp.(uint32))
//Adding DHCP upstream flow
f.addDHCPTrapFlow(ctx, intfID, onuID, uniID, portNo, classifierInfo, actionInfo, flow, allocID, gemPort, tpID)
} else {
//Adding DHCP upstream flow to all gemports
installFlowOnAllGemports(ctx, f.addDHCPTrapFlow, nil, args, classifierInfo, actionInfo, flow, gemPorts, TpInst, DhcpFlow, Upstream, tpID)
}
} else if ipProto.(uint32) == IgmpProto {
logger.Infow("adding-us-igmp-flow",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID,
"classifier-info:": classifierInfo})
if pcp, ok := classifierInfo[VlanPcp]; ok {
gemPort = f.techprofile[intfID].GetGemportIDForPbit(TpInst,
tp_pb.Direction_UPSTREAM,
pcp.(uint32))
f.addIGMPTrapFlow(ctx, intfID, onuID, uniID, portNo, classifierInfo, actionInfo, flow, allocID, gemPort, tpID)
} else {
//Adding IGMP upstream flow to all gem ports
installFlowOnAllGemports(ctx, f.addIGMPTrapFlow, nil, args, classifierInfo, actionInfo, flow, gemPorts, TpInst, IgmpFlow, Upstream, tpID)
}
} else {
logger.Errorw("invalid-classifier-to-handle", log.Fields{"classifier": classifierInfo, "action": actionInfo})
return
}
} else if ethType, ok := classifierInfo[EthType]; ok {
if ethType.(uint32) == EapEthType {
logger.Infow("adding-eapol-flow", log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID,
})
var vlanID uint32
if val, ok := classifierInfo[VlanVid]; ok {
vlanID = (val.(uint32)) & VlanvIDMask
} else {
vlanID = DefaultMgmtVlan
}
if pcp, ok := classifierInfo[VlanPcp]; ok {
gemPort = f.techprofile[intfID].GetGemportIDForPbit(TpInst,
tp_pb.Direction_UPSTREAM,
pcp.(uint32))
f.addEAPOLFlow(ctx, intfID, onuID, uniID, portNo, classifierInfo, actionInfo, flow, allocID, gemPort, vlanID, tpID)
} else {
installFlowOnAllGemports(ctx, nil, f.addEAPOLFlow, args, classifierInfo, actionInfo, flow, gemPorts, TpInst, EapolFlow, Upstream, tpID, vlanID)
}
}
} else if _, ok := actionInfo[PushVlan]; ok {
logger.Infow("adding-upstream-data-rule", log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID,
})
if pcp, ok := classifierInfo[VlanPcp]; ok {
gemPort = f.techprofile[intfID].GetGemportIDForPbit(TpInst,
tp_pb.Direction_UPSTREAM,
pcp.(uint32))
//Adding HSIA upstream flow
f.addUpstreamDataFlow(ctx, intfID, onuID, uniID, portNo, classifierInfo, actionInfo, flow, allocID, gemPort, tpID)
} else {
//Adding HSIA upstream flow to all gemports
installFlowOnAllGemports(ctx, f.addUpstreamDataFlow, nil, args, classifierInfo, actionInfo, flow, gemPorts, TpInst, HsiaFlow, Upstream, tpID)
}
} else if _, ok := actionInfo[PopVlan]; ok {
logger.Infow("adding-downstream-data-rule", log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID,
})
if pcp, ok := classifierInfo[VlanPcp]; ok {
gemPort = f.techprofile[intfID].GetGemportIDForPbit(TpInst,
tp_pb.Direction_DOWNSTREAM,
pcp.(uint32))
//Adding HSIA downstream flow
f.addDownstreamDataFlow(ctx, intfID, onuID, uniID, portNo, classifierInfo, actionInfo, flow, allocID, gemPort, tpID)
} else {
//Adding HSIA downstream flow to all gemports
installFlowOnAllGemports(ctx, f.addDownstreamDataFlow, nil, args, classifierInfo, actionInfo, flow, gemPorts, TpInst, HsiaFlow, Downstream, tpID)
}
} else {
logger.Errorw("invalid-flow-type-to-handle",
log.Fields{
"intf-id": intfID,
"onu-id": onuID,
"uni-id": uniID,
"classifier": classifierInfo,
"action": actionInfo,
"flow": flow})
return
}
// Send Techprofile download event to child device in go routine as it takes time
go f.sendTPDownloadMsgToChild(intfID, onuID, uniID, uni, tpID)
}
func (f *OpenOltFlowMgr) isGemPortUsedByAnotherFlow(gemPK gemPortKey) bool {
flowIDList := f.flowsUsedByGemPort[gemPK]
if len(flowIDList) > 1 {
return true
}
return false
}
func (f *OpenOltFlowMgr) isTechProfileUsedByAnotherGem(ctx context.Context, ponIntf uint32, onuID uint32, uniID uint32, tpID uint32, tpInst *tp.TechProfile, gemPortID uint32) (bool, uint32) {
currentGemPorts := f.resourceMgr.GetCurrentGEMPortIDsForOnu(ctx, ponIntf, onuID, uniID)
tpGemPorts := tpInst.UpstreamGemPortAttributeList
for _, currentGemPort := range currentGemPorts {
for _, tpGemPort := range tpGemPorts {
if (currentGemPort == tpGemPort.GemportID) && (currentGemPort != gemPortID) {
return true, currentGemPort
}
}
}
if tpInst.InstanceCtrl.Onu == "single-instance" {
// The TP information for the given TP ID, PON ID, ONU ID, UNI ID should be removed.
f.resourceMgr.RemoveTechProfileIDForOnu(ctx, ponIntf, uint32(onuID), uint32(uniID), tpID)
f.DeleteTechProfileInstance(ctx, ponIntf, uint32(onuID), uint32(uniID), "", tpID)
// Although we cleaned up TP Instance for the given (PON ID, ONU ID, UNI ID), the TP might
// still be used on other uni ports.
// So, we need to check and make sure that no other gem port is referring to the given TP ID
// on any other uni port.
tpInstances := f.techprofile[ponIntf].FindAllTpInstances(ctx, tpID, ponIntf, onuID).([]tp.TechProfile)
logger.Debugw("got-single-instance-tp-instances", log.Fields{"tp-instances": tpInstances})
for i := 0; i < len(tpInstances); i++ {
tpI := tpInstances[i]
tpGemPorts := tpI.UpstreamGemPortAttributeList
for _, tpGemPort := range tpGemPorts {
if tpGemPort.GemportID != gemPortID {
logger.Debugw("single-instance-tp-is-in-use-by-gem", log.Fields{"gemPort": tpGemPort.GemportID})
return true, tpGemPort.GemportID
}
}
}
}
logger.Debug("tech-profile-is-not-in-use-by-any-gem")
return false, 0
}
func formulateClassifierInfoFromFlow(classifierInfo map[string]interface{}, flow *ofp.OfpFlowStats) {
for _, field := range flows.GetOfbFields(flow) {
if field.Type == flows.ETH_TYPE {
classifierInfo[EthType] = field.GetEthType()
logger.Debug("field-type-eth-type", log.Fields{"classifierInfo[ETH_TYPE]": classifierInfo[EthType].(uint32)})
} else if field.Type == flows.ETH_DST {
classifierInfo[EthDst] = field.GetEthDst()
logger.Debug("field-type-eth-type", log.Fields{"classifierInfo[ETH_DST]": classifierInfo[EthDst].([]uint8)})
} else if field.Type == flows.IP_PROTO {
classifierInfo[IPProto] = field.GetIpProto()
logger.Debug("field-type-ip-proto", log.Fields{"classifierInfo[IP_PROTO]": classifierInfo[IPProto].(uint32)})
} else if field.Type == flows.IN_PORT {
classifierInfo[InPort] = field.GetPort()
logger.Debug("field-type-in-port", log.Fields{"classifierInfo[IN_PORT]": classifierInfo[InPort].(uint32)})
} else if field.Type == flows.VLAN_VID {
classifierInfo[VlanVid] = field.GetVlanVid() & 0xfff
logger.Debug("field-type-vlan-vid", log.Fields{"classifierInfo[VLAN_VID]": classifierInfo[VlanVid].(uint32)})
} else if field.Type == flows.VLAN_PCP {
classifierInfo[VlanPcp] = field.GetVlanPcp()
logger.Debug("field-type-vlan-pcp", log.Fields{"classifierInfo[VLAN_PCP]": classifierInfo[VlanPcp].(uint32)})