/** @file\r
\r
-Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\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
Udp4ServiceBindingDestroyChild\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
+Udp4DestroyChildEntryInHandleBuffer (\r
+ IN LIST_ENTRY *Entry,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ UDP4_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, UDP4_INSTANCE_DATA, Link, UDP4_INSTANCE_DATA_SIGNATURE);\r
+ ServiceBinding = ((UDP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->ServiceBinding;\r
+ NumberOfChildren = ((UDP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->NumberOfChildren;\r
+ ChildHandleBuffer = ((UDP4_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
/**\r
Test to see if this driver supports ControllerHandle. This service\r
if (EFI_ERROR (Status)) {\r
Udp4CleanService (Udp4Service);\r
FreePool (Udp4Service);\r
- } else {\r
- Udp4SetVariableData (Udp4Service);\r
}\r
\r
return Status;\r
IN EFI_HANDLE *ChildHandleBuffer\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_HANDLE NicHandle;\r
- EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r
- UDP4_SERVICE_DATA *Udp4Service;\r
- UDP4_INSTANCE_DATA *Instance;\r
+ EFI_STATUS Status;\r
+ EFI_HANDLE NicHandle;\r
+ EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r
+ UDP4_SERVICE_DATA *Udp4Service;\r
+ UDP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT Context;\r
+ LIST_ENTRY *List;\r
\r
//\r
// Find the NicHandle where UDP4 ServiceBinding Protocol is installed.\r
//\r
NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiIp4ProtocolGuid);\r
if (NicHandle == NULL) {\r
- return EFI_DEVICE_ERROR;\r
+ return EFI_SUCCESS;\r
}\r
\r
//\r
}\r
\r
Udp4Service = UDP4_SERVICE_DATA_FROM_THIS (ServiceBinding);\r
-\r
- if (NumberOfChildren == 0) {\r
-\r
+ if (NumberOfChildren != 0) {\r
+ //\r
+ // NumberOfChildren is not zero, destroy the children instances in ChildHandleBuffer.\r
+ //\r
+ List = &Udp4Service->ChildrenList;\r
+ Context.ServiceBinding = ServiceBinding;\r
+ Context.NumberOfChildren = NumberOfChildren;\r
+ Context.ChildHandleBuffer = ChildHandleBuffer;\r
+ Status = NetDestroyLinkList (\r
+ List,\r
+ Udp4DestroyChildEntryInHandleBuffer,\r
+ &Context,\r
+ NULL\r
+ );\r
+ } else {\r
gBS->UninstallMultipleProtocolInterfaces (\r
NicHandle,\r
&gEfiUdp4ServiceBindingProtocolGuid,\r
&Udp4Service->ServiceBinding,\r
NULL\r
);\r
-\r
- Udp4ClearVariableData (Udp4Service);\r
-\r
+ \r
Udp4CleanService (Udp4Service);\r
\r
- FreePool (Udp4Service);\r
- } else {\r
-\r
- while (!IsListEmpty (&Udp4Service->ChildrenList)) {\r
- Instance = NET_LIST_HEAD (&Udp4Service->ChildrenList, UDP4_INSTANCE_DATA, Link);\r
-\r
- ServiceBinding->DestroyChild (ServiceBinding, Instance->ChildHandle);\r
+ if (gUdpControllerNameTable != NULL) {\r
+ FreeUnicodeStringTable (gUdpControllerNameTable);\r
+ gUdpControllerNameTable = NULL;\r
}\r
+ FreePool (Udp4Service);\r
}\r
\r
return Status;\r
\r
@retval EFI_SUCCES The protocol was added to ChildHandle.\r
@retval EFI_INVALID_PARAMETER 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 Ip4 protocol in the IpInfo BY_CHILD.\r
+ //\r
+ Status = gBS->OpenProtocol (\r
+ Instance->IpInfo->ChildHandle,\r
+ &gEfiIp4ProtocolGuid,\r
+ (VOID **) &Ip4,\r
+ gUdp4DriverBinding.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
\r
@retval EFI_SUCCES The protocol was removed from ChildHandle.\r
@retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is being removed.\r
- @retval EFI_INVALID_PARAMETER Child handle is not a valid UEFI Handle.\r
+ @retval EFI_INVALID_PARAMETER Child handle is NULL.\r
@retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle\r
because its services are being used.\r
@retval other The child handle was not destroyed\r
\r
Instance = UDP4_INSTANCE_DATA_FROM_THIS (Udp4Proto);\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 Ip4 protocol.\r
gUdp4DriverBinding.DriverBindingHandle,\r
Instance->ChildHandle\r
);\r
+ //\r
+ // Close the Ip4 protocol on this instance's IpInfo.\r
+ //\r
+ gBS->CloseProtocol (\r
+ Instance->IpInfo->ChildHandle,\r
+ &gEfiIp4ProtocolGuid,\r
+ gUdp4DriverBinding.DriverBindingHandle,\r
+ Instance->ChildHandle\r
+ ); \r
\r
//\r
// Uninstall the Udp4Protocol 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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