/** @file\r
Driver Binding functions and Service Binding functions for the Network driver module.\r
\r
- Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<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
@param[in] RemainingDevicePath Optional parameter use 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_OUT_OF_RESOURCES The required system resource can't be allocated.\r
@retval other This driver does not support this device.\r
\r
);\r
if (EFI_ERROR (Status)) {\r
Udp6CleanService (Udp6Service);\r
- goto EXIT;\r
- } else {\r
- Status = Udp6SetVariableData (Udp6Service);\r
}\r
\r
EXIT:\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_INVALID_PARAMETER Entry is NULL or Context is NULL.\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
+Udp6DestroyChildEntryInHandleBuffer (\r
+ IN LIST_ENTRY *Entry,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ UDP6_INSTANCE_DATA *Instance;\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
+ Instance = NET_LIST_USER_STRUCT_S (Entry, UDP6_INSTANCE_DATA, Link, UDP6_INSTANCE_DATA_SIGNATURE);\r
+ ServiceBinding = ((UDP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->ServiceBinding;\r
+ NumberOfChildren = ((UDP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->NumberOfChildren;\r
+ ChildHandleBuffer = ((UDP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->ChildHandleBuffer;\r
+\r
+ if (!NetIsInHandleBuffer (Instance->ChildHandle, NumberOfChildren, ChildHandleBuffer)) {\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ return ServiceBinding->DestroyChild (ServiceBinding, Instance->ChildHandle);\r
+}\r
+\r
/**\r
Stop this driver on ControllerHandle.\r
\r
of children is zero stop the entire bus driver.\r
@param[in] ChildHandleBuffer List of Child Handles to Stop. It is optional.\r
\r
- @retval EFI_SUCCES This driver is removed ControllerHandle.\r
+ @retval EFI_SUCCESS This driver is removed ControllerHandle.\r
@retval EFI_DEVICE_ERROR Can't find the NicHandle from the ControllerHandle and specified GUID.\r
@retval other This driver was not removed from this device.\r
\r
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_HANDLE NicHandle;\r
- EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r
- UDP6_SERVICE_DATA *Udp6Service;\r
- UDP6_INSTANCE_DATA *Instance;\r
+ EFI_STATUS Status;\r
+ EFI_HANDLE NicHandle;\r
+ EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r
+ UDP6_SERVICE_DATA *Udp6Service;\r
+ LIST_ENTRY *List;\r
+ UDP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT Context;\r
\r
//\r
// Find the NicHandle where UDP6 ServiceBinding Protocol is installed.\r
//\r
NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiIp6ProtocolGuid);\r
if (NicHandle == NULL) {\r
- return EFI_DEVICE_ERROR;\r
+ return EFI_SUCCESS;\r
}\r
\r
//\r
\r
Udp6Service = UDP6_SERVICE_DATA_FROM_THIS (ServiceBinding);\r
\r
- if (NumberOfChildren == 0) {\r
-\r
- gBS->UninstallMultipleProtocolInterfaces (\r
- NicHandle,\r
- &gEfiUdp6ServiceBindingProtocolGuid,\r
- &Udp6Service->ServiceBinding,\r
- NULL\r
- );\r
-\r
- Udp6ClearVariableData (Udp6Service);\r
+ if (NumberOfChildren != 0) {\r
+ //\r
+ // NumberOfChildren is not zero, destroy the children instances in ChildHandleBuffer.\r
+ //\r
+ List = &Udp6Service->ChildrenList;\r
+ Context.ServiceBinding = ServiceBinding;\r
+ Context.NumberOfChildren = NumberOfChildren;\r
+ Context.ChildHandleBuffer = ChildHandleBuffer;\r
+ Status = NetDestroyLinkList (\r
+ List,\r
+ Udp6DestroyChildEntryInHandleBuffer,\r
+ &Context,\r
+ NULL\r
+ );\r
+ } else if (IsListEmpty (&Udp6Service->ChildrenList)) {\r
+ Status = gBS->UninstallMultipleProtocolInterfaces (\r
+ NicHandle,\r
+ &gEfiUdp6ServiceBindingProtocolGuid,\r
+ &Udp6Service->ServiceBinding,\r
+ NULL\r
+ );\r
\r
Udp6CleanService (Udp6Service);\r
-\r
FreePool (Udp6Service);\r
- } else {\r
-\r
- while (!IsListEmpty (&Udp6Service->ChildrenList)) {\r
- Instance = NET_LIST_HEAD (&Udp6Service->ChildrenList, UDP6_INSTANCE_DATA, Link);\r
-\r
- Status = ServiceBinding->DestroyChild (ServiceBinding, Instance->ChildHandle);\r
- }\r
}\r
\r
return Status;\r
then a new handle is created. If it is a pointer to an existing UEFI handle,\r
then the protocol is added to the existing UEFI handle.\r
\r
- @retval EFI_SUCCES The protocol was added to ChildHandle.\r
+ @retval EFI_SUCCESS The protocol was added to ChildHandle.\r
@retval EFI_INVALID_PARAMETER This is NULL or ChildHandle is NULL.\r
- @retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create\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
goto ON_ERROR;\r
}\r
\r
+ //\r
+ // Open this instance's Ip6 protocol in the IpInfo BY_CHILD.\r
+ //\r
+ Status = gBS->OpenProtocol (\r
+ Instance->IpInfo->ChildHandle,\r
+ &gEfiIp6ProtocolGuid,\r
+ (VOID **) &Ip6,\r
+ gUdp6DriverBinding.DriverBindingHandle,\r
+ Instance->ChildHandle,\r
+ EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ goto ON_ERROR;\r
+ }\r
+\r
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
\r
//\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
- @retval EFI_INVALID_PARAMETER Child handle is not a valid EFI Handle.\r
+ @retval EFI_INVALID_PARAMETER Child handle is NULL.\r
@retval EFI_ACCESS_DENIED The child handle could not be destroyed because\r
its I/O services are being used.\r
@retval other The child handle was not destroyed.\r
\r
Instance = UDP6_INSTANCE_DATA_FROM_THIS (Udp6Proto);\r
\r
- if (Instance->Destroyed) {\r
+ if (Instance->InDestroy) {\r
return EFI_SUCCESS;\r
}\r
\r
//\r
// Use the Destroyed flag to avoid the re-entering of the following code.\r
//\r
- Instance->Destroyed = TRUE;\r
+ Instance->InDestroy = TRUE;\r
\r
//\r
- // Close the Ip6 protocol.\r
+ // Close the Ip6 protocol on the default IpIo.\r
//\r
- gBS->CloseProtocol (\r
- Udp6Service->IpIo->ChildHandle,\r
- &gEfiIp6ProtocolGuid,\r
- gUdp6DriverBinding.DriverBindingHandle,\r
- Instance->ChildHandle\r
- );\r
+ Status = gBS->CloseProtocol (\r
+ Udp6Service->IpIo->ChildHandle,\r
+ &gEfiIp6ProtocolGuid,\r
+ gUdp6DriverBinding.DriverBindingHandle,\r
+ Instance->ChildHandle\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ Instance->InDestroy = FALSE;\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // Close the Ip6 protocol on this instance's IpInfo.\r
+ //\r
+ Status = gBS->CloseProtocol (\r
+ Instance->IpInfo->ChildHandle,\r
+ &gEfiIp6ProtocolGuid,\r
+ gUdp6DriverBinding.DriverBindingHandle,\r
+ Instance->ChildHandle\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ Instance->InDestroy = FALSE;\r
+ return Status;\r
+ }\r
\r
//\r
// Uninstall the Udp6Protocol previously installed on the ChildHandle.\r
NULL\r
);\r
if (EFI_ERROR (Status)) {\r
- Instance->Destroyed = FALSE;\r
+ Instance->InDestroy = FALSE;\r
return Status;\r
}\r
\r
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