[VOL-3069]Pass Context down the execution call hierarchy across voltha codebase

Change-Id: I97a2630d9a4fe5dc3161113539edda476534f186
diff --git a/rw_core/mocks/adapter.go b/rw_core/mocks/adapter.go
index 3c29a01..b27c606 100644
--- a/rw_core/mocks/adapter.go
+++ b/rw_core/mocks/adapter.go
@@ -17,6 +17,7 @@
 package mocks
 
 import (
+	"context"
 	"fmt"
 	"strconv"
 	"strings"
@@ -28,7 +29,7 @@
 	"github.com/opencord/voltha-protos/v3/go/voltha"
 )
 
-func macAddressToUint32Array(mac string) []uint32 {
+func macAddressToUint32Array(ctx context.Context, mac string) []uint32 {
 	slist := strings.Split(mac, ":")
 	result := make([]uint32, len(slist))
 	var err error
@@ -54,7 +55,7 @@
 }
 
 // NewAdapter creates adapter instance
-func NewAdapter(cp adapterif.CoreProxy) *Adapter {
+func NewAdapter(ctx context.Context, cp adapterif.CoreProxy) *Adapter {
 	return &Adapter{
 		flows:     map[uint64]*voltha.OfpFlowStats{},
 		devices:   map[string]*voltha.Device{},
@@ -62,7 +63,7 @@
 	}
 }
 
-func (ta *Adapter) storeDevice(d *voltha.Device) {
+func (ta *Adapter) storeDevice(ctx context.Context, d *voltha.Device) {
 	ta.deviceLock.Lock()
 	defer ta.deviceLock.Unlock()
 	if d != nil {
@@ -70,83 +71,83 @@
 	}
 }
 
-func (ta *Adapter) getDevice(id string) *voltha.Device {
+func (ta *Adapter) getDevice(ctx context.Context, id string) *voltha.Device {
 	ta.deviceLock.RLock()
 	defer ta.deviceLock.RUnlock()
 	return ta.devices[id]
 }
 
-func (ta *Adapter) updateDevice(d *voltha.Device) {
-	ta.storeDevice(d)
+func (ta *Adapter) updateDevice(ctx context.Context, d *voltha.Device) {
+	ta.storeDevice(ctx, d)
 }
 
 // Adapter_descriptor -
-func (ta *Adapter) Adapter_descriptor() error { // nolint
+func (ta *Adapter) Adapter_descriptor(ctx context.Context) error { // nolint
 	return nil
 }
 
 // Device_types -
-func (ta *Adapter) Device_types() (*voltha.DeviceTypes, error) { // nolint
+func (ta *Adapter) Device_types(ctx context.Context) (*voltha.DeviceTypes, error) { // nolint
 	return nil, nil
 }
 
 // Health -
-func (ta *Adapter) Health() (*voltha.HealthStatus, error) {
+func (ta *Adapter) Health(ctx context.Context) (*voltha.HealthStatus, error) {
 	return nil, nil
 }
 
 // Adopt_device -
-func (ta *Adapter) Adopt_device(device *voltha.Device) error { // nolint
+func (ta *Adapter) Adopt_device(ctx context.Context, device *voltha.Device) error { // nolint
 	return nil
 }
 
 // Reconcile_device -
-func (ta *Adapter) Reconcile_device(device *voltha.Device) error { // nolint
+func (ta *Adapter) Reconcile_device(ctx context.Context, device *voltha.Device) error { // nolint
 	return nil
 }
 
 // Abandon_device -
-func (ta *Adapter) Abandon_device(device *voltha.Device) error { // nolint
+func (ta *Adapter) Abandon_device(ctx context.Context, device *voltha.Device) error { // nolint
 	return nil
 }
 
 // Disable_device -
-func (ta *Adapter) Disable_device(device *voltha.Device) error { // nolint
+func (ta *Adapter) Disable_device(ctx context.Context, device *voltha.Device) error { // nolint
 	return nil
 }
 
 // Reenable_device -
-func (ta *Adapter) Reenable_device(device *voltha.Device) error { // nolint
+func (ta *Adapter) Reenable_device(ctx context.Context, device *voltha.Device) error { // nolint
 	return nil
 }
 
 // Reboot_device -
-func (ta *Adapter) Reboot_device(device *voltha.Device) error { // nolint
+func (ta *Adapter) Reboot_device(ctx context.Context, device *voltha.Device) error { // nolint
 	return nil
 }
 
 // Self_test_device -
-func (ta *Adapter) Self_test_device(device *voltha.Device) error { // nolint
+func (ta *Adapter) Self_test_device(ctx context.Context, device *voltha.Device) error { // nolint
 	return nil
 }
 
 // Delete_device -
-func (ta *Adapter) Delete_device(device *voltha.Device) error { // nolint
+func (ta *Adapter) Delete_device(ctx context.Context, device *voltha.Device) error { // nolint
 	return nil
 }
 
 // Get_device_details -
-func (ta *Adapter) Get_device_details(device *voltha.Device) error { // nolint
+func (ta *Adapter) Get_device_details(ctx context.Context, device *voltha.Device) error { // nolint
 	return nil
 }
 
 // Update_flows_bulk -
-func (ta *Adapter) Update_flows_bulk(device *voltha.Device, flows *voltha.Flows, groups *voltha.FlowGroups, flowMetadata *voltha.FlowMetadata) error { // nolint
+func (ta *Adapter) Update_flows_bulk(ctx context.Context, device *voltha.Device, flows *voltha.Flows, groups *voltha.FlowGroups, flowMetadata *voltha.FlowMetadata) error { // nolint
 	return nil
 }
 
 // Update_flows_incrementally mocks the incremental flow update
-func (ta *Adapter) Update_flows_incrementally(device *voltha.Device, flows *of.FlowChanges, groups *of.FlowGroupChanges, flowMetadata *voltha.FlowMetadata) error { // nolint
+func (ta *Adapter) Update_flows_incrementally(ctx context.Context, device *voltha.Device, flows *of.FlowChanges, groups *of.FlowGroupChanges, flowMetadata *voltha.FlowMetadata) error { // nolint
 	ta.flowLock.Lock()
 	defer ta.flowLock.Unlock()
 
@@ -170,27 +171,27 @@
 }
 
 // Update_pm_config -
-func (ta *Adapter) Update_pm_config(device *voltha.Device, pmConfigs *voltha.PmConfigs) error { // nolint
+func (ta *Adapter) Update_pm_config(ctx context.Context, device *voltha.Device, pmConfigs *voltha.PmConfigs) error { // nolint
 	return nil
 }
 
 // Receive_packet_out -
-func (ta *Adapter) Receive_packet_out(deviceID string, egressPortNo int, msg *of.OfpPacketOut) error { // nolint
+func (ta *Adapter) Receive_packet_out(ctx context.Context, deviceID string, egressPortNo int, msg *of.OfpPacketOut) error { // nolint
 	return nil
 }
 
 // Suppress_event -
-func (ta *Adapter) Suppress_event(filter *voltha.EventFilter) error { // nolint
+func (ta *Adapter) Suppress_event(ctx context.Context, filter *voltha.EventFilter) error { // nolint
 	return nil
 }
 
 // Unsuppress_event -
-func (ta *Adapter) Unsuppress_event(filter *voltha.EventFilter) error { // nolint
+func (ta *Adapter) Unsuppress_event(ctx context.Context, filter *voltha.EventFilter) error { // nolint
 	return nil
 }
 
 // Get_ofp_device_info -
-func (ta *Adapter) Get_ofp_device_info(device *voltha.Device) (*ic.SwitchCapability, error) { // nolint
+func (ta *Adapter) Get_ofp_device_info(ctx context.Context, device *voltha.Device) (*ic.SwitchCapability, error) { // nolint
 	return &ic.SwitchCapability{
 		Desc: &of.OfpDesc{
 			HwDesc:    "adapter_mock",
@@ -209,12 +210,12 @@
 }
 
 // Get_ofp_port_info -
-func (ta *Adapter) Get_ofp_port_info(device *voltha.Device, portNo int64) (*ic.PortCapability, error) { // nolint
+func (ta *Adapter) Get_ofp_port_info(ctx context.Context, device *voltha.Device, portNo int64) (*ic.PortCapability, error) { // nolint
 	capability := uint32(of.OfpPortFeatures_OFPPF_1GB_FD | of.OfpPortFeatures_OFPPF_FIBER)
 	return &ic.PortCapability{
 		Port: &voltha.LogicalPort{
 			OfpPort: &of.OfpPort{
-				HwAddr:     macAddressToUint32Array("11:11:33:44:55:66"),
+				HwAddr:     macAddressToUint32Array(ctx, "11:11:33:44:55:66"),
 				Config:     0,
 				State:      uint32(of.OfpPortState_OFPPS_LIVE),
 				Curr:       capability,
@@ -230,61 +231,61 @@
 }
 
 // Process_inter_adapter_message -
-func (ta *Adapter) Process_inter_adapter_message(msg *ic.InterAdapterMessage) error { // nolint
+func (ta *Adapter) Process_inter_adapter_message(ctx context.Context, msg *ic.InterAdapterMessage) error { // nolint
 	return nil
 }
 
 // Download_image -
-func (ta *Adapter) Download_image(device *voltha.Device, request *voltha.ImageDownload) (*voltha.ImageDownload, error) { // nolint
+func (ta *Adapter) Download_image(ctx context.Context, device *voltha.Device, request *voltha.ImageDownload) (*voltha.ImageDownload, error) { // nolint
 	return nil, nil
 }
 
 // Get_image_download_status -
-func (ta *Adapter) Get_image_download_status(device *voltha.Device, request *voltha.ImageDownload) (*voltha.ImageDownload, error) { // nolint
+func (ta *Adapter) Get_image_download_status(ctx context.Context, device *voltha.Device, request *voltha.ImageDownload) (*voltha.ImageDownload, error) { // nolint
 	return nil, nil
 }
 
 // Cancel_image_download -
-func (ta *Adapter) Cancel_image_download(device *voltha.Device, request *voltha.ImageDownload) (*voltha.ImageDownload, error) { // nolint
+func (ta *Adapter) Cancel_image_download(ctx context.Context, device *voltha.Device, request *voltha.ImageDownload) (*voltha.ImageDownload, error) { // nolint
 	return nil, nil
 }
 
 // Activate_image_update -
-func (ta *Adapter) Activate_image_update(device *voltha.Device, request *voltha.ImageDownload) (*voltha.ImageDownload, error) { // nolint
+func (ta *Adapter) Activate_image_update(ctx context.Context, device *voltha.Device, request *voltha.ImageDownload) (*voltha.ImageDownload, error) { // nolint
 	return nil, nil
 }
 
 // Revert_image_update -
-func (ta *Adapter) Revert_image_update(device *voltha.Device, request *voltha.ImageDownload) (*voltha.ImageDownload, error) { // nolint
+func (ta *Adapter) Revert_image_update(ctx context.Context, device *voltha.Device, request *voltha.ImageDownload) (*voltha.ImageDownload, error) { // nolint
 	return nil, nil
 }
 
 // Enable_port -
-func (ta *Adapter) Enable_port(deviceId string, port *voltha.Port) error { //nolint
+func (ta *Adapter) Enable_port(ctx context.Context, deviceId string, port *voltha.Port) error { //nolint
 	return nil
 }
 
 // Disable_port -
-func (ta *Adapter) Disable_port(deviceId string, port *voltha.Port) error { //nolint
+func (ta *Adapter) Disable_port(ctx context.Context, deviceId string, port *voltha.Port) error { //nolint
 	return nil
 }
 
 // Child_device_lost -
-func (ta *Adapter) Child_device_lost(pDeviceID string, pPortNo uint32, onuID uint32) error { //nolint
+func (ta *Adapter) Child_device_lost(ctx context.Context, pDeviceID string, pPortNo uint32, onuID uint32) error { //nolint
 	return nil
 }
 
 // Start_omci_test
-func (ta *Adapter) Start_omci_test(device *voltha.Device, request *voltha.OmciTestRequest) (*voltha.TestResponse, error) { //nolint
+func (ta *Adapter) Start_omci_test(ctx context.Context, device *voltha.Device, request *voltha.OmciTestRequest) (*voltha.TestResponse, error) { //nolint
 	return nil, nil
 }
 
-func (ta *Adapter) Get_ext_value(deviceId string, device *voltha.Device, valueflag voltha.ValueType_Type) (*voltha.ReturnValues, error) { //nolint
+func (ta *Adapter) Get_ext_value(ctx context.Context, deviceId string, device *voltha.Device, valueflag voltha.ValueType_Type) (*voltha.ReturnValues, error) { //nolint
 	return nil, nil
 }
 
 // GetFlowCount returns the total number of flows presently under this adapter
-func (ta *Adapter) GetFlowCount() int {
+func (ta *Adapter) GetFlowCount(ctx context.Context) int {
 	ta.flowLock.RLock()
 	defer ta.flowLock.RUnlock()
 
@@ -292,7 +293,7 @@
 }
 
 // ClearFlows removes all flows in this adapter
-func (ta *Adapter) ClearFlows() {
+func (ta *Adapter) ClearFlows(ctx context.Context) {
 	ta.flowLock.Lock()
 	defer ta.flowLock.Unlock()
 
@@ -300,7 +301,7 @@
 }
 
 // SetFlowAction sets the adapter action on addition and deletion of flows
-func (ta *Adapter) SetFlowAction(failFlowAdd, failFlowDelete bool) {
+func (ta *Adapter) SetFlowAction(ctx context.Context, failFlowAdd, failFlowDelete bool) {
 	ta.failFlowAdd = failFlowAdd
 	ta.failFlowDelete = failFlowDelete
 }
diff --git a/rw_core/mocks/adapter_olt.go b/rw_core/mocks/adapter_olt.go
index 61f431a..fc284ab 100644
--- a/rw_core/mocks/adapter_olt.go
+++ b/rw_core/mocks/adapter_olt.go
@@ -41,14 +41,14 @@
 }
 
 // NewOLTAdapter - creates OLT adapter instance
-func NewOLTAdapter(cp adapterif.CoreProxy) *OLTAdapter {
+func NewOLTAdapter(ctx context.Context, cp adapterif.CoreProxy) *OLTAdapter {
 	return &OLTAdapter{
-		Adapter: NewAdapter(cp),
+		Adapter: NewAdapter(ctx, cp),
 	}
 }
 
 // Adopt_device creates new handler for added device
-func (oltA *OLTAdapter) Adopt_device(device *voltha.Device) error { // nolint
+func (oltA *OLTAdapter) Adopt_device(ctx context.Context, device *voltha.Device) error { // nolint
 	go func() {
 		d := proto.Clone(device).(*voltha.Device)
 		d.Root = true
@@ -56,8 +56,8 @@
 		d.Model = "go-mock"
 		d.SerialNumber = com.GetRandomSerialNumber()
 		d.MacAddress = strings.ToUpper(com.GetRandomMacAddress())
-		oltA.storeDevice(d)
-		if res := oltA.coreProxy.DeviceUpdate(context.TODO(), d); res != nil {
+		oltA.storeDevice(ctx, d)
+		if res := oltA.coreProxy.DeviceUpdate(ctx, d); res != nil {
 			logger.Fatalf("deviceUpdate-failed-%s", res)
 		}
 		nniPort := &voltha.Port{
@@ -67,7 +67,7 @@
 			OperStatus: voltha.OperStatus_ACTIVE,
 		}
 		var err error
-		if err = oltA.coreProxy.PortCreated(context.TODO(), d.Id, nniPort); err != nil {
+		if err = oltA.coreProxy.PortCreated(ctx, d.Id, nniPort); err != nil {
 			logger.Fatalf("PortCreated-failed-%s", err)
 		}
 
@@ -77,30 +77,30 @@
 			Type:       voltha.Port_PON_OLT,
 			OperStatus: voltha.OperStatus_ACTIVE,
 		}
-		if err = oltA.coreProxy.PortCreated(context.TODO(), d.Id, ponPort); err != nil {
+		if err = oltA.coreProxy.PortCreated(ctx, d.Id, ponPort); err != nil {
 			logger.Fatalf("PortCreated-failed-%s", err)
 		}
 
 		d.ConnectStatus = voltha.ConnectStatus_REACHABLE
 		d.OperStatus = voltha.OperStatus_ACTIVE
 
-		if err = oltA.coreProxy.DeviceStateUpdate(context.TODO(), d.Id, d.ConnectStatus, d.OperStatus); err != nil {
+		if err = oltA.coreProxy.DeviceStateUpdate(ctx, d.Id, d.ConnectStatus, d.OperStatus); err != nil {
 			logger.Fatalf("Device-state-update-failed-%s", err)
 		}
 
 		//Get the latest device data from the Core
-		if d, err = oltA.coreProxy.GetDevice(context.TODO(), d.Id, d.Id); err != nil {
+		if d, err = oltA.coreProxy.GetDevice(ctx, d.Id, d.Id); err != nil {
 			logger.Fatalf("getting-device-failed-%s", err)
 		}
 
-		oltA.updateDevice(d)
+		oltA.updateDevice(ctx, d)
 
 		// Register Child devices
 		initialUniPortNo := startingUNIPortNo
 		for i := 0; i < numONUPerOLT; i++ {
 			go func(seqNo int) {
 				if _, err := oltA.coreProxy.ChildDeviceDetected(
-					context.TODO(),
+					ctx,
 					d.Id,
 					1,
 					"onu_adapter_mock",
@@ -117,8 +117,8 @@
 }
 
 // Get_ofp_device_info returns ofp device info
-func (oltA *OLTAdapter) Get_ofp_device_info(device *voltha.Device) (*ic.SwitchCapability, error) { // nolint
-	if d := oltA.getDevice(device.Id); d == nil {
+func (oltA *OLTAdapter) Get_ofp_device_info(ctx context.Context, device *voltha.Device) (*ic.SwitchCapability, error) { // nolint
+	if d := oltA.getDevice(ctx, device.Id); d == nil {
 		logger.Fatalf("device-not-found-%s", device.Id)
 	}
 	return &ic.SwitchCapability{
@@ -139,15 +139,15 @@
 }
 
 // Get_ofp_port_info returns ofp port info
-func (oltA *OLTAdapter) Get_ofp_port_info(device *voltha.Device, portNo int64) (*ic.PortCapability, error) { // nolint
-	if d := oltA.getDevice(device.Id); d == nil {
+func (oltA *OLTAdapter) Get_ofp_port_info(ctx context.Context, device *voltha.Device, portNo int64) (*ic.PortCapability, error) { // nolint
+	if d := oltA.getDevice(ctx, device.Id); d == nil {
 		logger.Fatalf("device-not-found-%s", device.Id)
 	}
 	capability := uint32(of.OfpPortFeatures_OFPPF_1GB_FD | of.OfpPortFeatures_OFPPF_FIBER)
 	return &ic.PortCapability{
 		Port: &voltha.LogicalPort{
 			OfpPort: &of.OfpPort{
-				HwAddr:     macAddressToUint32Array("11:22:33:44:55:66"),
+				HwAddr:     macAddressToUint32Array(ctx, "11:22:33:44:55:66"),
 				Config:     0,
 				State:      uint32(of.OfpPortState_OFPPS_LIVE),
 				Curr:       capability,
@@ -163,19 +163,19 @@
 }
 
 // GetNumONUPerOLT returns number of ONUs per OLT
-func (oltA *OLTAdapter) GetNumONUPerOLT() int {
+func (oltA *OLTAdapter) GetNumONUPerOLT(ctx context.Context) int {
 	return numONUPerOLT
 }
 
 // Returns the starting UNI port number
-func (oltA *OLTAdapter) GetStartingUNIPortNo() int {
+func (oltA *OLTAdapter) GetStartingUNIPortNo(ctx context.Context) int {
 	return startingUNIPortNo
 }
 
 // Disable_device disables device
-func (oltA *OLTAdapter) Disable_device(device *voltha.Device) error { // nolint
+func (oltA *OLTAdapter) Disable_device(ctx context.Context, device *voltha.Device) error { // nolint
 	go func() {
-		if d := oltA.getDevice(device.Id); d == nil {
+		if d := oltA.getDevice(ctx, device.Id); d == nil {
 			logger.Fatalf("device-not-found-%s", device.Id)
 		}
 
@@ -195,7 +195,7 @@
 			return
 		}
 
-		oltA.updateDevice(cloned)
+		oltA.updateDevice(ctx, cloned)
 
 		// Tell the Core that all child devices have been disabled (by default it's an action already taken by the Core
 		if err := oltA.coreProxy.ChildDevicesLost(context.TODO(), cloned.Id); err != nil {
@@ -207,9 +207,9 @@
 }
 
 // Reenable_device reenables device
-func (oltA *OLTAdapter) Reenable_device(device *voltha.Device) error { // nolint
+func (oltA *OLTAdapter) Reenable_device(ctx context.Context, device *voltha.Device) error { // nolint
 	go func() {
-		if d := oltA.getDevice(device.Id); d == nil {
+		if d := oltA.getDevice(ctx, device.Id); d == nil {
 			logger.Fatalf("device-not-found-%s", device.Id)
 		}
 
@@ -235,7 +235,7 @@
 }
 
 // Enable_port -
-func (oltA *OLTAdapter) Enable_port(deviceId string, Port *voltha.Port) error { //nolint
+func (oltA *OLTAdapter) Enable_port(ctx context.Context, deviceId string, Port *voltha.Port) error { //nolint
 	go func() {
 
 		if Port.Type == voltha.Port_PON_OLT {
@@ -249,7 +249,7 @@
 }
 
 // Disable_port -
-func (oltA *OLTAdapter) Disable_port(deviceId string, Port *voltha.Port) error { //nolint
+func (oltA *OLTAdapter) Disable_port(ctx context.Context, deviceId string, Port *voltha.Port) error { //nolint
 	go func() {
 
 		if Port.Type == voltha.Port_PON_OLT {
@@ -263,12 +263,12 @@
 }
 
 // Child_device_lost deletes ONU and its references
-func (oltA *OLTAdapter) Child_device_lost(deviceID string, pPortNo uint32, onuID uint32) error { // nolint
+func (oltA *OLTAdapter) Child_device_lost(ctx context.Context, deviceID string, pPortNo uint32, onuID uint32) error { // nolint
 	return nil
 }
 
 // Reboot_device -
-func (oltA *OLTAdapter) Reboot_device(device *voltha.Device) error { // nolint
+func (oltA *OLTAdapter) Reboot_device(ctx context.Context, device *voltha.Device) error { // nolint
 	logger.Infow("reboot-device", log.Fields{"deviceId": device.Id})
 
 	go func() {
@@ -284,12 +284,12 @@
 }
 
 // TODO: REMOVE Start_omci_test begins an omci self-test
-func (oltA *OLTAdapter) Start_omci_test(device *voltha.Device, request *voltha.OmciTestRequest) (*ic.TestResponse, error) { // nolint
+func (oltA *OLTAdapter) Start_omci_test(ctx context.Context, device *voltha.Device, request *voltha.OmciTestRequest) (*ic.TestResponse, error) { // nolint
 	_ = device
 	return nil, errors.New("start-omci-test-not-implemented")
 }
 
-func (oltA *OLTAdapter) Get_ext_value(deviceId string, device *voltha.Device, valueflag voltha.ValueType_Type) (*voltha.ReturnValues, error) { // nolint
+func (oltA *OLTAdapter) Get_ext_value(ctx context.Context, deviceId string, device *voltha.Device, valueflag voltha.ValueType_Type) (*voltha.ReturnValues, error) { // nolint
 	_ = deviceId
 	_ = device
 	_ = valueflag
diff --git a/rw_core/mocks/adapter_olt_test.go b/rw_core/mocks/adapter_olt_test.go
index 036d612..1409b2b 100644
--- a/rw_core/mocks/adapter_olt_test.go
+++ b/rw_core/mocks/adapter_olt_test.go
@@ -17,13 +17,13 @@
 package mocks
 
 import (
-	"testing"
-
+	"context"
 	"github.com/opencord/voltha-lib-go/v3/pkg/adapters"
+	"testing"
 )
 
 func TestOLTAdapterImplementsIAdapter(t *testing.T) {
-	adapter := NewOLTAdapter(nil)
+	adapter := NewOLTAdapter(context.Background(), nil)
 
 	if _, ok := interface{}(adapter).(adapters.IAdapter); !ok {
 		t.Error("OLT adapter does not implement voltha-lib-go/v2/pkg/adapters/IAdapter interface")
diff --git a/rw_core/mocks/adapter_onu.go b/rw_core/mocks/adapter_onu.go
index 217f01d..f467456 100644
--- a/rw_core/mocks/adapter_onu.go
+++ b/rw_core/mocks/adapter_onu.go
@@ -36,14 +36,14 @@
 }
 
 // NewONUAdapter creates ONU adapter
-func NewONUAdapter(cp adapterif.CoreProxy) *ONUAdapter {
+func NewONUAdapter(ctx context.Context, cp adapterif.CoreProxy) *ONUAdapter {
 	return &ONUAdapter{
-		Adapter: NewAdapter(cp),
+		Adapter: NewAdapter(ctx, cp),
 	}
 }
 
 // Adopt_device creates new handler for added device
-func (onuA *ONUAdapter) Adopt_device(device *voltha.Device) error { // nolint
+func (onuA *ONUAdapter) Adopt_device(ctx context.Context, device *voltha.Device) error { // nolint
 	go func() {
 		d := proto.Clone(device).(*voltha.Device)
 		d.Root = false
@@ -51,15 +51,15 @@
 		d.Model = "go-mock"
 		d.SerialNumber = com.GetRandomSerialNumber()
 		d.MacAddress = strings.ToUpper(com.GetRandomMacAddress())
-		onuA.storeDevice(d)
-		if res := onuA.coreProxy.DeviceUpdate(context.TODO(), d); res != nil {
+		onuA.storeDevice(ctx, d)
+		if res := onuA.coreProxy.DeviceUpdate(ctx, d); res != nil {
 			logger.Fatalf("deviceUpdate-failed-%s", res)
 		}
 
 		d.ConnectStatus = voltha.ConnectStatus_REACHABLE
 		d.OperStatus = voltha.OperStatus_DISCOVERED
 
-		if err := onuA.coreProxy.DeviceStateUpdate(context.TODO(), d.Id, d.ConnectStatus, d.OperStatus); err != nil {
+		if err := onuA.coreProxy.DeviceStateUpdate(ctx, d.Id, d.ConnectStatus, d.OperStatus); err != nil {
 			logger.Fatalf("device-state-update-failed-%s", err)
 		}
 
@@ -77,7 +77,7 @@
 			OperStatus: voltha.OperStatus_ACTIVE,
 		}
 		var err error
-		if err = onuA.coreProxy.PortCreated(context.TODO(), d.Id, uniPort); err != nil {
+		if err = onuA.coreProxy.PortCreated(ctx, d.Id, uniPort); err != nil {
 			logger.Fatalf("PortCreated-failed-%s", err)
 		}
 
@@ -94,36 +94,36 @@
 			Peers: []*voltha.Port_PeerPort{{DeviceId: d.ParentId, // Peer device  is OLT
 				PortNo: device.ParentPortNo}}, // Peer port is parent's port number
 		}
-		if err = onuA.coreProxy.PortCreated(context.TODO(), d.Id, ponPort); err != nil {
+		if err = onuA.coreProxy.PortCreated(ctx, d.Id, ponPort); err != nil {
 			logger.Fatalf("PortCreated-failed-%s", err)
 		}
 
 		d.ConnectStatus = voltha.ConnectStatus_REACHABLE
 		d.OperStatus = voltha.OperStatus_ACTIVE
 
-		if err = onuA.coreProxy.DeviceStateUpdate(context.TODO(), d.Id, d.ConnectStatus, d.OperStatus); err != nil {
+		if err = onuA.coreProxy.DeviceStateUpdate(ctx, d.Id, d.ConnectStatus, d.OperStatus); err != nil {
 			logger.Fatalf("device-state-update-failed-%s", err)
 		}
 		//Get the latest device data from the Core
-		if d, err = onuA.coreProxy.GetDevice(context.TODO(), d.Id, d.Id); err != nil {
+		if d, err = onuA.coreProxy.GetDevice(ctx, d.Id, d.Id); err != nil {
 			logger.Fatalf("getting-device-failed-%s", err)
 		}
 
-		onuA.updateDevice(d)
+		onuA.updateDevice(ctx, d)
 	}()
 	return nil
 }
 
 // Get_ofp_port_info returns ofp device info
-func (onuA *ONUAdapter) Get_ofp_port_info(device *voltha.Device, portNo int64) (*ic.PortCapability, error) { // nolint
-	if d := onuA.getDevice(device.Id); d == nil {
+func (onuA *ONUAdapter) Get_ofp_port_info(ctx context.Context, device *voltha.Device, portNo int64) (*ic.PortCapability, error) { // nolint
+	if d := onuA.getDevice(ctx, device.Id); d == nil {
 		logger.Fatalf("device-not-found-%s", device.Id)
 	}
 	capability := uint32(of.OfpPortFeatures_OFPPF_1GB_FD | of.OfpPortFeatures_OFPPF_FIBER)
 	return &ic.PortCapability{
 		Port: &voltha.LogicalPort{
 			OfpPort: &of.OfpPort{
-				HwAddr:     macAddressToUint32Array("12:12:12:12:12:12"),
+				HwAddr:     macAddressToUint32Array(ctx, "12:12:12:12:12:12"),
 				Config:     0,
 				State:      uint32(of.OfpPortState_OFPPS_LIVE),
 				Curr:       capability,
@@ -139,14 +139,14 @@
 }
 
 // Disable_device disables device
-func (onuA *ONUAdapter) Disable_device(device *voltha.Device) error { // nolint
+func (onuA *ONUAdapter) Disable_device(ctx context.Context, device *voltha.Device) error { // nolint
 	go func() {
-		if d := onuA.getDevice(device.Id); d == nil {
+		if d := onuA.getDevice(ctx, device.Id); d == nil {
 			logger.Fatalf("device-not-found-%s", device.Id)
 		}
 		cloned := proto.Clone(device).(*voltha.Device)
 		// Update the all ports state on that device to disable
-		if err := onuA.coreProxy.PortsStateUpdate(context.TODO(), cloned.Id, voltha.OperStatus_UNKNOWN); err != nil {
+		if err := onuA.coreProxy.PortsStateUpdate(ctx, cloned.Id, voltha.OperStatus_UNKNOWN); err != nil {
 			// Device may also have been deleted in the Core
 			logger.Warnw("updating-ports-failed", log.Fields{"deviceId": device.Id, "error": err})
 			return
@@ -155,25 +155,25 @@
 		cloned.ConnectStatus = voltha.ConnectStatus_UNREACHABLE
 		cloned.OperStatus = voltha.OperStatus_UNKNOWN
 
-		if err := onuA.coreProxy.DeviceStateUpdate(context.TODO(), cloned.Id, cloned.ConnectStatus, cloned.OperStatus); err != nil {
+		if err := onuA.coreProxy.DeviceStateUpdate(ctx, cloned.Id, cloned.ConnectStatus, cloned.OperStatus); err != nil {
 			logger.Warnw("device-state-update-failed", log.Fields{"deviceId": device.Id, "error": err})
 			return
 		}
-		onuA.updateDevice(cloned)
+		onuA.updateDevice(ctx, cloned)
 	}()
 	return nil
 }
 
 // Reenable_device reenables device
-func (onuA *ONUAdapter) Reenable_device(device *voltha.Device) error { // nolint
+func (onuA *ONUAdapter) Reenable_device(ctx context.Context, device *voltha.Device) error { // nolint
 	go func() {
-		if d := onuA.getDevice(device.Id); d == nil {
+		if d := onuA.getDevice(ctx, device.Id); d == nil {
 			logger.Fatalf("device-not-found-%s", device.Id)
 		}
 
 		cloned := proto.Clone(device).(*voltha.Device)
 		// Update the all ports state on that device to enable
-		if err := onuA.coreProxy.PortsStateUpdate(context.TODO(), cloned.Id, voltha.OperStatus_ACTIVE); err != nil {
+		if err := onuA.coreProxy.PortsStateUpdate(ctx, cloned.Id, voltha.OperStatus_ACTIVE); err != nil {
 			logger.Fatalf("updating-ports-failed", log.Fields{"deviceId": device.Id, "error": err})
 		}
 
@@ -181,22 +181,22 @@
 		cloned.ConnectStatus = voltha.ConnectStatus_REACHABLE
 		cloned.OperStatus = voltha.OperStatus_ACTIVE
 
-		if err := onuA.coreProxy.DeviceStateUpdate(context.TODO(), cloned.Id, cloned.ConnectStatus, cloned.OperStatus); err != nil {
+		if err := onuA.coreProxy.DeviceStateUpdate(ctx, cloned.Id, cloned.ConnectStatus, cloned.OperStatus); err != nil {
 			logger.Fatalf("device-state-update-failed", log.Fields{"deviceId": device.Id, "error": err})
 		}
 
-		onuA.updateDevice(cloned)
+		onuA.updateDevice(ctx, cloned)
 	}()
 	return nil
 }
 
 // Start_omci_test begins an omci self-test
-func (onuA *ONUAdapter) Start_omci_test(device *voltha.Device, request *voltha.OmciTestRequest) (*ic.TestResponse, error) { // nolint
+func (onuA *ONUAdapter) Start_omci_test(ctx context.Context, device *voltha.Device, request *voltha.OmciTestRequest) (*ic.TestResponse, error) { // nolint
 	_ = device
 	return &ic.TestResponse{Result: ic.TestResponse_SUCCESS}, nil
 }
 
-func (onuA *ONUAdapter) Get_ext_value(deviceId string, device *voltha.Device, valueflag voltha.ValueType_Type) (*voltha.ReturnValues, error) { // nolint
+func (onuA *ONUAdapter) Get_ext_value(ctx context.Context, deviceId string, device *voltha.Device, valueflag voltha.ValueType_Type) (*voltha.ReturnValues, error) { // nolint
 	_ = deviceId
 	_ = device
 	_ = valueflag
diff --git a/rw_core/mocks/adapter_onu_test.go b/rw_core/mocks/adapter_onu_test.go
index ff4ed32..6940ee6 100644
--- a/rw_core/mocks/adapter_onu_test.go
+++ b/rw_core/mocks/adapter_onu_test.go
@@ -17,12 +17,13 @@
 package mocks
 
 import (
+	"context"
 	"github.com/opencord/voltha-lib-go/v3/pkg/adapters"
 	"testing"
 )
 
 func TestONUAdapterImplementsIAdapter(t *testing.T) {
-	adapter := NewONUAdapter(nil)
+	adapter := NewONUAdapter(context.Background(), nil)
 
 	if _, ok := interface{}(adapter).(adapters.IAdapter); !ok {
 		t.Error("ONU adapter does not implement voltha-lib-go/v2/pkg/adapters/IAdapter interface")
diff --git a/rw_core/mocks/adapter_test.go b/rw_core/mocks/adapter_test.go
index f748ea9..1850e81 100644
--- a/rw_core/mocks/adapter_test.go
+++ b/rw_core/mocks/adapter_test.go
@@ -17,12 +17,13 @@
 package mocks
 
 import (
+	"context"
 	"github.com/opencord/voltha-lib-go/v3/pkg/adapters"
 	"testing"
 )
 
 func TestAdapterImplementsIAdapter(t *testing.T) {
-	adapter := NewAdapter(nil)
+	adapter := NewAdapter(context.Background(), nil)
 
 	if _, ok := interface{}(adapter).(adapters.IAdapter); !ok {
 		t.Error("adapter does not implement voltha-lib-go/v2/pkg/adapters/IAdapter interface")
diff --git a/rw_core/mocks/device_manager.go b/rw_core/mocks/device_manager.go
index e83f935..194b18d 100644
--- a/rw_core/mocks/device_manager.go
+++ b/rw_core/mocks/device_manager.go
@@ -34,7 +34,7 @@
 }
 
 // IsRootDevice -
-func (dm *DeviceManager) IsRootDevice(deviceID string) (bool, error) {
+func (dm *DeviceManager) IsRootDevice(ctx context.Context, deviceID string) (bool, error) {
 	return false, nil
 }