/** @file\r
The driver binding and service binding protocol for IP6 driver.\r
\r
- Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2009 - 2019, Intel Corporation. All rights reserved.<BR>\r
+ (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>\r
\r
- This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php.\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "Ip6Impl.h"\r
\r
-EFI_DRIVER_BINDING_PROTOCOL gIp6DriverBinding = {\r
+EFI_DRIVER_BINDING_PROTOCOL gIp6DriverBinding = {\r
Ip6DriverBindingSupported,\r
Ip6DriverBindingStart,\r
Ip6DriverBindingStop,\r
NULL\r
};\r
\r
+BOOLEAN mIpSec2Installed = FALSE;\r
+\r
+/**\r
+ Callback function for IpSec2 Protocol install.\r
+\r
+ @param[in] Event Event whose notification function is being invoked\r
+ @param[in] Context Pointer to the notification function's context\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+IpSec2InstalledCallback (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+\r
+ //\r
+ // Test if protocol was even found.\r
+ // Notification function will be called at least once.\r
+ //\r
+ Status = gBS->LocateProtocol (&gEfiIpSec2ProtocolGuid, NULL, (VOID **)&mIpSec);\r
+ if ((Status == EFI_SUCCESS) && (mIpSec != NULL)) {\r
+ //\r
+ // Close the event so it does not get called again.\r
+ //\r
+ gBS->CloseEvent (Event);\r
+\r
+ mIpSec2Installed = TRUE;\r
+ }\r
+}\r
+\r
/**\r
This is the declaration of an EFI image entry point. This entry point is\r
the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including\r
EFI_STATUS\r
EFIAPI\r
Ip6DriverEntryPoint (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
)\r
{\r
+ VOID *Registration;\r
+\r
+ EfiCreateProtocolNotifyEvent (\r
+ &gEfiIpSec2ProtocolGuid,\r
+ TPL_CALLBACK,\r
+ IpSec2InstalledCallback,\r
+ NULL,\r
+ &Registration\r
+ );\r
+\r
return EfiLibInstallDriverBindingComponentName2 (\r
ImageHandle,\r
SystemTable,\r
**/\r
EFI_STATUS\r
Ip6CleanService (\r
- IN IP6_SERVICE *IpSb\r
+ IN IP6_SERVICE *IpSb\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_IPv6_ADDRESS AllNodes;\r
- IP6_NEIGHBOR_ENTRY *NeighborCache;\r
+ EFI_STATUS Status;\r
+ EFI_IPv6_ADDRESS AllNodes;\r
+ IP6_NEIGHBOR_ENTRY *NeighborCache;\r
+\r
+ IpSb->State = IP6_SERVICE_DESTROY;\r
+\r
+ if (IpSb->Timer != NULL) {\r
+ gBS->SetTimer (IpSb->Timer, TimerCancel, 0);\r
+ gBS->CloseEvent (IpSb->Timer);\r
+\r
+ IpSb->Timer = NULL;\r
+ }\r
+\r
+ if (IpSb->FasterTimer != NULL) {\r
+ gBS->SetTimer (IpSb->FasterTimer, TimerCancel, 0);\r
+ gBS->CloseEvent (IpSb->FasterTimer);\r
+\r
+ IpSb->FasterTimer = NULL;\r
+ }\r
\r
Ip6ConfigCleanInstance (&IpSb->Ip6ConfigInstance);\r
\r
- //\r
- // Leave link-scope all-nodes multicast address (FF02::1)\r
- //\r
- Ip6SetToAllNodeMulticast (FALSE, IP6_LINK_LOCAL_SCOPE, &AllNodes);\r
+ if (!IpSb->LinkLocalDadFail) {\r
+ //\r
+ // Leave link-scope all-nodes multicast address (FF02::1)\r
+ //\r
+ Ip6SetToAllNodeMulticast (FALSE, IP6_LINK_LOCAL_SCOPE, &AllNodes);\r
\r
- Status = Ip6LeaveGroup (IpSb, &AllNodes);\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
+ Status = Ip6LeaveGroup (IpSb, &AllNodes);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
}\r
\r
if (IpSb->DefaultInterface != NULL) {\r
IpSb->Mnp->Cancel (IpSb->Mnp, NULL);\r
IpSb->Mnp->Configure (IpSb->Mnp, NULL);\r
gBS->CloseProtocol (\r
- IpSb->MnpChildHandle,\r
- &gEfiManagedNetworkProtocolGuid,\r
- IpSb->Image,\r
- IpSb->Controller\r
- );\r
+ IpSb->MnpChildHandle,\r
+ &gEfiManagedNetworkProtocolGuid,\r
+ IpSb->Image,\r
+ IpSb->Controller\r
+ );\r
\r
IpSb->Mnp = NULL;\r
}\r
gBS->CloseEvent (IpSb->RecvRequest.MnpToken.Event);\r
}\r
\r
- if (IpSb->Timer != NULL) {\r
- gBS->SetTimer (IpSb->Timer, TimerCancel, 0);\r
- gBS->CloseEvent (IpSb->Timer);\r
-\r
- IpSb->Timer = NULL;\r
- }\r
-\r
- if (IpSb->FasterTimer != NULL) {\r
- gBS->SetTimer (IpSb->FasterTimer, TimerCancel, 0);\r
- gBS->CloseEvent (IpSb->FasterTimer);\r
-\r
- IpSb->FasterTimer = NULL;\r
- }\r
//\r
// Free the Neighbor Discovery resources\r
//\r
**/\r
EFI_STATUS\r
Ip6CreateService (\r
- IN EFI_HANDLE Controller,\r
- IN EFI_HANDLE ImageHandle,\r
- OUT IP6_SERVICE **Service\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_HANDLE ImageHandle,\r
+ OUT IP6_SERVICE **Service\r
)\r
{\r
IP6_SERVICE *IpSb;\r
EFI_STATUS Status;\r
EFI_MANAGED_NETWORK_COMPLETION_TOKEN *MnpToken;\r
EFI_MANAGED_NETWORK_CONFIG_DATA *Config;\r
- IP6_CONFIG_DATA_ITEM *DataItem;\r
\r
ASSERT (Service != NULL);\r
\r
IpSb->ServiceBinding.CreateChild = Ip6ServiceBindingCreateChild;\r
IpSb->ServiceBinding.DestroyChild = Ip6ServiceBindingDestroyChild;\r
IpSb->State = IP6_SERVICE_UNSTARTED;\r
- IpSb->InDestroy = FALSE;\r
\r
- IpSb->NumChildren = 0;\r
+ IpSb->NumChildren = 0;\r
InitializeListHead (&IpSb->Children);\r
\r
InitializeListHead (&IpSb->Interfaces);\r
- IpSb->DefaultInterface = NULL;\r
- IpSb->RouteTable = NULL;\r
+ IpSb->DefaultInterface = NULL;\r
+ IpSb->RouteTable = NULL;\r
\r
- IpSb->RecvRequest.Signature = IP6_LINK_RX_SIGNATURE;\r
- IpSb->RecvRequest.CallBack = NULL;\r
- IpSb->RecvRequest.Context = NULL;\r
- MnpToken = &IpSb->RecvRequest.MnpToken;\r
- MnpToken->Event = NULL;\r
- MnpToken->Status = EFI_NOT_READY;\r
- MnpToken->Packet.RxData = NULL;\r
+ IpSb->RecvRequest.Signature = IP6_LINK_RX_SIGNATURE;\r
+ IpSb->RecvRequest.CallBack = NULL;\r
+ IpSb->RecvRequest.Context = NULL;\r
+ MnpToken = &IpSb->RecvRequest.MnpToken;\r
+ MnpToken->Event = NULL;\r
+ MnpToken->Status = EFI_NOT_READY;\r
+ MnpToken->Packet.RxData = NULL;\r
\r
Ip6CreateAssembleTable (&IpSb->Assemble);\r
\r
- IpSb->MldCtrl.Mldv1QuerySeen = 0;\r
+ IpSb->MldCtrl.Mldv1QuerySeen = 0;\r
InitializeListHead (&IpSb->MldCtrl.Groups);\r
\r
ZeroMem (&IpSb->LinkLocalAddr, sizeof (EFI_IPv6_ADDRESS));\r
- IpSb->LinkLocalOk = FALSE;\r
- IpSb->LinkLocalDadFail = FALSE;\r
- IpSb->Dhcp6NeedStart = FALSE;\r
- IpSb->Dhcp6NeedInfoRequest = FALSE;\r
-\r
- IpSb->CurHopLimit = IP6_HOP_LIMIT;\r
- IpSb->LinkMTU = IP6_MIN_LINK_MTU;\r
- IpSb->BaseReachableTime = IP6_REACHABLE_TIME;\r
+ IpSb->LinkLocalOk = FALSE;\r
+ IpSb->LinkLocalDadFail = FALSE;\r
+ IpSb->Dhcp6NeedStart = FALSE;\r
+ IpSb->Dhcp6NeedInfoRequest = FALSE;\r
+\r
+ IpSb->CurHopLimit = IP6_HOP_LIMIT;\r
+ IpSb->LinkMTU = IP6_MIN_LINK_MTU;\r
+ IpSb->BaseReachableTime = IP6_REACHABLE_TIME;\r
Ip6UpdateReachableTime (IpSb);\r
//\r
// RFC4861 RETRANS_TIMER: 1,000 milliseconds\r
//\r
- IpSb->RetransTimer = IP6_RETRANS_TIMER;\r
+ IpSb->RetransTimer = IP6_RETRANS_TIMER;\r
\r
- IpSb->RoundRobin = 0;\r
+ IpSb->RoundRobin = 0;\r
\r
InitializeListHead (&IpSb->NeighborTable);\r
InitializeListHead (&IpSb->DefaultRouterList);\r
InitializeListHead (&IpSb->OnlinkPrefix);\r
InitializeListHead (&IpSb->AutonomousPrefix);\r
\r
- IpSb->InterfaceIdLen = IP6_IF_ID_LEN;\r
- IpSb->InterfaceId = NULL;\r
+ IpSb->InterfaceIdLen = IP6_IF_ID_LEN;\r
+ IpSb->InterfaceId = NULL;\r
\r
- IpSb->RouterAdvertiseReceived = FALSE;\r
- IpSb->SolicitTimer = IP6_MAX_RTR_SOLICITATIONS;\r
- IpSb->Ticks = 0;\r
+ IpSb->RouterAdvertiseReceived = FALSE;\r
+ IpSb->SolicitTimer = IP6_MAX_RTR_SOLICITATIONS;\r
+ IpSb->Ticks = 0;\r
\r
- IpSb->Image = ImageHandle;\r
- IpSb->Controller = Controller;\r
+ IpSb->Image = ImageHandle;\r
+ IpSb->Controller = Controller;\r
\r
- IpSb->MnpChildHandle = NULL;\r
- IpSb->Mnp = NULL;\r
+ IpSb->MnpChildHandle = NULL;\r
+ IpSb->Mnp = NULL;\r
\r
Config = &IpSb->MnpConfigData;\r
Config->ReceivedQueueTimeoutValue = 0;\r
\r
ZeroMem (&IpSb->SnpMode, sizeof (EFI_SIMPLE_NETWORK_MODE));\r
\r
- IpSb->Timer = NULL;\r
- IpSb->FasterTimer = NULL;\r
+ IpSb->Timer = NULL;\r
+ IpSb->FasterTimer = NULL;\r
\r
ZeroMem (&IpSb->Ip6ConfigInstance, sizeof (IP6_CONFIG_INSTANCE));\r
\r
- IpSb->MacString = NULL;\r
+ IpSb->MacString = NULL;\r
\r
//\r
// Create various resources. First create the route table, timer\r
Status = gBS->OpenProtocol (\r
IpSb->MnpChildHandle,\r
&gEfiManagedNetworkProtocolGuid,\r
- (VOID **) (&IpSb->Mnp),\r
+ (VOID **)(&IpSb->Mnp),\r
ImageHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_BY_DRIVER\r
//\r
IpSb->MaxPacketSize -= NET_VLAN_TAG_LEN;\r
}\r
+\r
IpSb->OldMaxPacketSize = IpSb->MaxPacketSize;\r
\r
//\r
goto ON_ERROR;\r
}\r
\r
- //\r
- // The timer expires every 100 (IP6_TIMER_INTERVAL_IN_MS) milliseconds.\r
- //\r
- Status = gBS->SetTimer (IpSb->FasterTimer, TimerPeriodic, TICKS_PER_MS * IP6_TIMER_INTERVAL_IN_MS);\r
+ Status = NetLibGetMacString (IpSb->Controller, IpSb->Image, &IpSb->MacString);\r
if (EFI_ERROR (Status)) {\r
goto ON_ERROR;\r
}\r
\r
- //\r
- // The timer expires every 1000 (IP6_ONE_SECOND_IN_MS) milliseconds.\r
- //\r
- Status = gBS->SetTimer (IpSb->Timer, TimerPeriodic, TICKS_PER_MS * IP6_ONE_SECOND_IN_MS);\r
+ Status = Ip6ConfigInitInstance (&IpSb->Ip6ConfigInstance);\r
if (EFI_ERROR (Status)) {\r
goto ON_ERROR;\r
}\r
\r
+ IpSb->DefaultInterface = Ip6CreateInterface (IpSb, TRUE);\r
+ if (IpSb->DefaultInterface == NULL) {\r
+ Status = EFI_DEVICE_ERROR;\r
+ goto ON_ERROR;\r
+ }\r
\r
Status = gBS->CreateEvent (\r
EVT_NOTIFY_SIGNAL,\r
goto ON_ERROR;\r
}\r
\r
- Status = Ip6ReceiveFrame (Ip6AcceptFrame, IpSb);\r
- if (EFI_ERROR (Status)) {\r
- goto ON_ERROR;\r
- }\r
-\r
- Status = NetLibGetMacString (IpSb->Controller, IpSb->Image, &IpSb->MacString);\r
- if (EFI_ERROR (Status)) {\r
- goto ON_ERROR;\r
- }\r
-\r
- Status = Ip6ConfigInitInstance (&IpSb->Ip6ConfigInstance);\r
- if (EFI_ERROR (Status)) {\r
- goto ON_ERROR;\r
- }\r
-\r
- IpSb->DefaultInterface = Ip6CreateInterface (IpSb, TRUE);\r
- if (IpSb->DefaultInterface == NULL) {\r
- Status = EFI_DEVICE_ERROR;\r
- goto ON_ERROR;\r
- }\r
-\r
- //\r
- // If there is any manual address, set it.\r
- //\r
- DataItem = &IpSb->Ip6ConfigInstance.DataItem[Ip6ConfigDataTypeManualAddress];\r
- if (DataItem->Data.Ptr != NULL) {\r
- DataItem->SetData (\r
- &IpSb->Ip6ConfigInstance,\r
- DataItem->DataSize,\r
- DataItem->Data.Ptr\r
- );\r
- }\r
-\r
InsertHeadList (&IpSb->Interfaces, &IpSb->DefaultInterface->Link);\r
\r
*Service = IpSb;\r
return Status;\r
}\r
\r
-\r
/**\r
Start this driver on ControllerHandle.\r
\r
@param[in] RemainingDevicePath Optional parameter used to pick a specific child\r
device to start.\r
\r
- @retval EFI_SUCCES This driver is added to ControllerHandle.\r
+ @retval EFI_SUCCESS This driver is added to ControllerHandle.\r
@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle.\r
@retval other This driver does not support this device.\r
\r
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r
)\r
{\r
- IP6_SERVICE *IpSb;\r
- EFI_STATUS Status;\r
+ IP6_SERVICE *IpSb;\r
+ EFI_STATUS Status;\r
+ EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg;\r
+ IP6_CONFIG_DATA_ITEM *DataItem;\r
+\r
+ IpSb = NULL;\r
+ Ip6Cfg = NULL;\r
+ DataItem = NULL;\r
\r
//\r
// Test for the Ip6 service binding protocol\r
\r
ASSERT (IpSb != NULL);\r
\r
+ Ip6Cfg = &IpSb->Ip6ConfigInstance.Ip6Config;\r
+\r
//\r
- // Install the Ip6ServiceBinding Protocol onto ControlerHandle\r
+ // Install the Ip6ServiceBinding Protocol onto ControllerHandle\r
//\r
Status = gBS->InstallMultipleProtocolInterfaces (\r
&ControllerHandle,\r
&gEfiIp6ServiceBindingProtocolGuid,\r
&IpSb->ServiceBinding,\r
&gEfiIp6ConfigProtocolGuid,\r
- &IpSb->Ip6ConfigInstance.Ip6Config,\r
+ Ip6Cfg,\r
NULL\r
);\r
+ if (EFI_ERROR (Status)) {\r
+ goto FREE_SERVICE;\r
+ }\r
\r
+ //\r
+ // Read the config data from NV variable again.\r
+ // The default data can be changed by other drivers.\r
+ //\r
+ Status = Ip6ConfigReadConfigData (IpSb->MacString, &IpSb->Ip6ConfigInstance);\r
if (EFI_ERROR (Status)) {\r
+ goto UNINSTALL_PROTOCOL;\r
+ }\r
\r
- Ip6CleanService (IpSb);\r
- FreePool (IpSb);\r
- } else {\r
- //\r
- // Initialize the IP6 ID\r
- //\r
- mIp6Id = NET_RANDOM (NetRandomInitSeed ());\r
+ //\r
+ // If there is any default manual address, set it.\r
+ //\r
+ DataItem = &IpSb->Ip6ConfigInstance.DataItem[Ip6ConfigDataTypeManualAddress];\r
+ if (DataItem->Data.Ptr != NULL) {\r
+ Status = Ip6Cfg->SetData (\r
+ Ip6Cfg,\r
+ Ip6ConfigDataTypeManualAddress,\r
+ DataItem->DataSize,\r
+ DataItem->Data.Ptr\r
+ );\r
+ if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_BAD_BUFFER_SIZE)) {\r
+ //\r
+ // Clean the invalid ManualAddress configuration.\r
+ //\r
+ Status = Ip6Cfg->SetData (\r
+ Ip6Cfg,\r
+ Ip6ConfigDataTypeManualAddress,\r
+ 0,\r
+ NULL\r
+ );\r
+ DEBUG ((DEBUG_WARN, "Ip6DriverBindingStart: Clean the invalid ManualAddress configuration.\n"));\r
+ }\r
+ }\r
\r
- Ip6SetVariableData (IpSb);\r
+ //\r
+ // If there is any default gateway address, set it.\r
+ //\r
+ DataItem = &IpSb->Ip6ConfigInstance.DataItem[Ip6ConfigDataTypeGateway];\r
+ if (DataItem->Data.Ptr != NULL) {\r
+ Status = Ip6Cfg->SetData (\r
+ Ip6Cfg,\r
+ Ip6ConfigDataTypeGateway,\r
+ DataItem->DataSize,\r
+ DataItem->Data.Ptr\r
+ );\r
+ if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_BAD_BUFFER_SIZE)) {\r
+ //\r
+ // Clean the invalid Gateway configuration.\r
+ //\r
+ Status = Ip6Cfg->SetData (\r
+ Ip6Cfg,\r
+ Ip6ConfigDataTypeGateway,\r
+ 0,\r
+ NULL\r
+ );\r
+ DEBUG ((DEBUG_WARN, "Ip6DriverBindingStart: Clean the invalid Gateway configuration.\n"));\r
+ }\r
}\r
\r
+ //\r
+ // ready to go: start the receiving and timer\r
+ //\r
+ Status = Ip6ReceiveFrame (Ip6AcceptFrame, IpSb);\r
+ if (EFI_ERROR (Status)) {\r
+ goto UNINSTALL_PROTOCOL;\r
+ }\r
+\r
+ //\r
+ // The timer expires every 100 (IP6_TIMER_INTERVAL_IN_MS) milliseconds.\r
+ //\r
+ Status = gBS->SetTimer (\r
+ IpSb->FasterTimer,\r
+ TimerPeriodic,\r
+ TICKS_PER_MS * IP6_TIMER_INTERVAL_IN_MS\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ goto UNINSTALL_PROTOCOL;\r
+ }\r
+\r
+ //\r
+ // The timer expires every 1000 (IP6_ONE_SECOND_IN_MS) milliseconds.\r
+ //\r
+ Status = gBS->SetTimer (\r
+ IpSb->Timer,\r
+ TimerPeriodic,\r
+ TICKS_PER_MS * IP6_ONE_SECOND_IN_MS\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ goto UNINSTALL_PROTOCOL;\r
+ }\r
+\r
+ //\r
+ // Initialize the IP6 ID\r
+ //\r
+ mIp6Id = NET_RANDOM (NetRandomInitSeed ());\r
+\r
+ return EFI_SUCCESS;\r
+\r
+UNINSTALL_PROTOCOL:\r
+ gBS->UninstallMultipleProtocolInterfaces (\r
+ ControllerHandle,\r
+ &gEfiIp6ServiceBindingProtocolGuid,\r
+ &IpSb->ServiceBinding,\r
+ &gEfiIp6ConfigProtocolGuid,\r
+ Ip6Cfg,\r
+ NULL\r
+ );\r
+\r
+FREE_SERVICE:\r
+ Ip6CleanService (IpSb);\r
+ FreePool (IpSb);\r
return Status;\r
}\r
\r
+/**\r
+ Callback function which provided by user to remove one node in NetDestroyLinkList process.\r
+\r
+ @param[in] Entry The entry to be removed.\r
+ @param[in] Context Pointer to the callback context corresponds to the Context in NetDestroyLinkList.\r
+\r
+ @retval EFI_SUCCESS The entry has been removed successfully.\r
+ @retval Others Fail to remove the entry.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+Ip6DestroyChildEntryInHandleBuffer (\r
+ IN LIST_ENTRY *Entry,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ IP6_PROTOCOL *IpInstance;\r
+ EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r
+ UINTN NumberOfChildren;\r
+ EFI_HANDLE *ChildHandleBuffer;\r
+\r
+ if ((Entry == NULL) || (Context == NULL)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ IpInstance = NET_LIST_USER_STRUCT_S (Entry, IP6_PROTOCOL, Link, IP6_PROTOCOL_SIGNATURE);\r
+ ServiceBinding = ((IP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *)Context)->ServiceBinding;\r
+ NumberOfChildren = ((IP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *)Context)->NumberOfChildren;\r
+ ChildHandleBuffer = ((IP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *)Context)->ChildHandleBuffer;\r
+\r
+ if (!NetIsInHandleBuffer (IpInstance->Handle, NumberOfChildren, ChildHandleBuffer)) {\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ return ServiceBinding->DestroyChild (ServiceBinding, IpInstance->Handle);\r
+}\r
+\r
/**\r
Stop this driver on ControllerHandle.\r
\r
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r
)\r
{\r
- EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r
- IP6_SERVICE *IpSb;\r
- IP6_PROTOCOL *IpInstance;\r
- EFI_HANDLE NicHandle;\r
- EFI_STATUS Status;\r
- BOOLEAN IsDhcp6;\r
- EFI_TPL OldTpl;\r
- INTN State;\r
+ EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r
+ IP6_SERVICE *IpSb;\r
+ EFI_HANDLE NicHandle;\r
+ EFI_STATUS Status;\r
+ LIST_ENTRY *List;\r
+ INTN State;\r
+ BOOLEAN IsDhcp6;\r
+ IP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT Context;\r
\r
IsDhcp6 = FALSE;\r
- NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp6ProtocolGuid);\r
-\r
- if (NicHandle != NULL) {\r
- //\r
- // DriverBindingStop is triggered by the uninstallation of the EFI DHCPv6\r
- // Protocol used by Ip6Config.\r
- //\r
- IsDhcp6 = TRUE;\r
- } else {\r
-\r
- NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiManagedNetworkProtocolGuid);\r
-\r
- if (NicHandle == NULL) {\r
- return EFI_DEVICE_ERROR;\r
+ NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiManagedNetworkProtocolGuid);\r
+ if (NicHandle == NULL) {\r
+ NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp6ProtocolGuid);\r
+ if (NicHandle != NULL) {\r
+ IsDhcp6 = TRUE;\r
+ } else {\r
+ return EFI_SUCCESS;\r
}\r
}\r
\r
Status = gBS->OpenProtocol (\r
NicHandle,\r
&gEfiIp6ServiceBindingProtocolGuid,\r
- (VOID **) &ServiceBinding,\r
+ (VOID **)&ServiceBinding,\r
This->DriverBindingHandle,\r
NicHandle,\r
EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
\r
IpSb = IP6_SERVICE_FROM_PROTOCOL (ServiceBinding);\r
\r
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
-\r
- if (IpSb->InDestroy) {\r
- Status = EFI_SUCCESS;\r
- goto Exit;\r
- }\r
-\r
if (IsDhcp6) {\r
-\r
Status = Ip6ConfigDestroyDhcp6 (&IpSb->Ip6ConfigInstance);\r
gBS->CloseEvent (IpSb->Ip6ConfigInstance.Dhcp6Event);\r
IpSb->Ip6ConfigInstance.Dhcp6Event = NULL;\r
- } else if (NumberOfChildren == 0) {\r
-\r
- IpSb->InDestroy = TRUE;\r
- State = IpSb->State;\r
- IpSb->State = IP6_SERVICE_DESTROY;\r
-\r
+ } else if (NumberOfChildren != 0) {\r
//\r
- // Clear the variable data.\r
+ // NumberOfChildren is not zero, destroy the IP6 children instances in ChildHandleBuffer.\r
//\r
- Ip6ClearVariableData (IpSb);\r
-\r
+ List = &IpSb->Children;\r
+ Context.ServiceBinding = ServiceBinding;\r
+ Context.NumberOfChildren = NumberOfChildren;\r
+ Context.ChildHandleBuffer = ChildHandleBuffer;\r
+ Status = NetDestroyLinkList (\r
+ List,\r
+ Ip6DestroyChildEntryInHandleBuffer,\r
+ &Context,\r
+ NULL\r
+ );\r
+ } else if (IsListEmpty (&IpSb->Children)) {\r
+ State = IpSb->State;\r
Status = Ip6CleanService (IpSb);\r
if (EFI_ERROR (Status)) {\r
IpSb->State = State;\r
);\r
ASSERT_EFI_ERROR (Status);\r
FreePool (IpSb);\r
- } else {\r
- //\r
- // NumberOfChildren is not zero, destroy all IP6 children instances.\r
- //\r
- while (!IsListEmpty (&IpSb->Children)) {\r
- IpInstance = NET_LIST_HEAD (&IpSb->Children, IP6_PROTOCOL, Link);\r
- ServiceBinding->DestroyChild (ServiceBinding, IpInstance->Handle);\r
- }\r
-\r
- if (IpSb->NumChildren != 0) {\r
- Status = EFI_DEVICE_ERROR;\r
- }\r
+ Status = EFI_SUCCESS;\r
}\r
\r
Exit:\r
-\r
- gBS->RestoreTPL (OldTpl);\r
-\r
return Status;\r
}\r
\r
-\r
/**\r
Creates a child handle with a set of I/O services.\r
\r
is not NULL, then the I/O services are added to\r
the existing child handle.\r
\r
- @retval EFI_SUCCES The child handle was created with the I/O services.\r
- @retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create\r
+ @retval EFI_SUCCESS The child handle was created with the I/O services.\r
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources available to create\r
the child.\r
@retval other The child handle was not created.\r
\r
IN EFI_HANDLE *ChildHandle\r
)\r
{\r
- IP6_SERVICE *IpSb;\r
- IP6_PROTOCOL *IpInstance;\r
- EFI_TPL OldTpl;\r
- EFI_STATUS Status;\r
- VOID *Mnp;\r
+ IP6_SERVICE *IpSb;\r
+ IP6_PROTOCOL *IpInstance;\r
+ EFI_TPL OldTpl;\r
+ EFI_STATUS Status;\r
+ VOID *Mnp;\r
\r
if ((This == NULL) || (ChildHandle == NULL)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- IpSb = IP6_SERVICE_FROM_PROTOCOL (This);\r
+ IpSb = IP6_SERVICE_FROM_PROTOCOL (This);\r
\r
if (IpSb->LinkLocalDadFail) {\r
return EFI_DEVICE_ERROR;\r
Status = gBS->OpenProtocol (\r
IpSb->MnpChildHandle,\r
&gEfiManagedNetworkProtocolGuid,\r
- (VOID **) &Mnp,\r
+ (VOID **)&Mnp,\r
gIp6DriverBinding.DriverBindingHandle,\r
IpInstance->Handle,\r
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
);\r
if (EFI_ERROR (Status)) {\r
gBS->UninstallMultipleProtocolInterfaces (\r
- ChildHandle,\r
+ *ChildHandle,\r
&gEfiIp6ProtocolGuid,\r
&IpInstance->Ip6Proto,\r
NULL\r
ON_ERROR:\r
\r
if (EFI_ERROR (Status)) {\r
-\r
Ip6CleanProtocol (IpInstance);\r
\r
FreePool (IpInstance);\r
@param[in] This Protocol instance pointer.\r
@param[in] ChildHandle Handle of the child to destroy.\r
\r
- @retval EFI_SUCCES The I/O services were removed from the child\r
+ @retval EFI_SUCCESS The I/O services were removed from the child\r
handle.\r
@retval EFI_UNSUPPORTED The child handle does not support the I/O services\r
that are being removed.\r
IN EFI_HANDLE ChildHandle\r
)\r
{\r
- EFI_STATUS Status;\r
- IP6_SERVICE *IpSb;\r
- IP6_PROTOCOL *IpInstance;\r
- EFI_IP6_PROTOCOL *Ip6;\r
- EFI_TPL OldTpl;\r
- INTN State;\r
+ EFI_STATUS Status;\r
+ IP6_SERVICE *IpSb;\r
+ IP6_PROTOCOL *IpInstance;\r
+ EFI_IP6_PROTOCOL *Ip6;\r
+ EFI_TPL OldTpl;\r
\r
if ((This == NULL) || (ChildHandle == NULL)) {\r
return EFI_INVALID_PARAMETER;\r
//\r
// Retrieve the private context data structures\r
//\r
- IpSb = IP6_SERVICE_FROM_PROTOCOL (This);\r
+ IpSb = IP6_SERVICE_FROM_PROTOCOL (This);\r
\r
Status = gBS->OpenProtocol (\r
ChildHandle,\r
&gEfiIp6ProtocolGuid,\r
- (VOID **) &Ip6,\r
+ (VOID **)&Ip6,\r
gIp6DriverBinding.DriverBindingHandle,\r
ChildHandle,\r
EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
// when UDP driver is being stopped, it will destroy all\r
// the IP child it opens.\r
//\r
- if (IpInstance->State == IP6_STATE_DESTROY) {\r
+ if (IpInstance->InDestroy) {\r
gBS->RestoreTPL (OldTpl);\r
return EFI_SUCCESS;\r
}\r
\r
- State = IpInstance->State;\r
- IpInstance->State = IP6_STATE_DESTROY;\r
+ IpInstance->InDestroy = TRUE;\r
\r
//\r
// Close the Managed Network protocol.\r
// Uninstall the IP6 protocol first. Many thing happens during\r
// this:\r
// 1. The consumer of the IP6 protocol will be stopped if it\r
- // opens the protocol BY_DRIVER. For eaxmple, if MNP driver is\r
+ // opens the protocol BY_DRIVER. For example, if MNP driver is\r
// stopped, IP driver's stop function will be called, and uninstall\r
// EFI_IP6_PROTOCOL will trigger the UDP's stop function. This\r
// makes it possible to create the network stack bottom up, and\r
// stop it top down.\r
// 2. the upper layer will recycle the received packet. The recycle\r
// event's TPL is higher than this function. The recycle events\r
- // will be called back before preceeding. If any packets not recycled,\r
+ // will be called back before preceding. If any packets not recycled,\r
// that means there is a resource leak.\r
//\r
+ gBS->RestoreTPL (OldTpl);\r
Status = gBS->UninstallProtocolInterface (\r
ChildHandle,\r
&gEfiIp6ProtocolGuid,\r
&IpInstance->Ip6Proto\r
);\r
-\r
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
if (EFI_ERROR (Status)) {\r
goto ON_ERROR;\r
}\r
\r
Status = Ip6CleanProtocol (IpInstance);\r
-\r
- Ip6SetVariableData (IpSb);\r
-\r
if (EFI_ERROR (Status)) {\r
gBS->InstallMultipleProtocolInterfaces (\r
&ChildHandle,\r
return EFI_SUCCESS;\r
\r
ON_ERROR:\r
- IpInstance->State = State;\r
gBS->RestoreTPL (OldTpl);\r
\r
return Status;\r
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