/** @file\r
Implementation of Mtftp drivers.\r
- \r
-Copyright (c) 2006 - 2009, Intel Corporation<BR>\r
-All rights reserved. This program and the accompanying materials\r
+\r
+Copyright (c) 2006 - 2012, 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
http://opensource.org/licenses/bsd-license.php<BR>\r
@param ImageHandle The MTFTP's image handle.\r
@param SystemTable The system table.\r
\r
- @retval EFI_SUCCESS The handles are successfully installed on the image. \r
+ @retval EFI_SUCCESS The handles are successfully installed on the image.\r
@retval others some EFI_ERROR occured.\r
\r
**/\r
@retval EFI_SUCCESS The controller has UDP service binding protocol\r
installed, MTFTP can support it.\r
@retval EFI_ALREADY_STARTED The device specified by ControllerHandle and\r
- RemainingDevicePath is already being managed by \r
+ RemainingDevicePath is already being managed by\r
the driver specified by This.\r
@retval EFI_ACCESS_DENIED The device specified by ControllerHandle and\r
- RemainingDevicePath is already being managed by a \r
- different driver or an application that requires \r
+ RemainingDevicePath is already being managed by a\r
+ different driver or an application that requires\r
exclusive access.\r
@retval EFI_UNSUPPORTED The device specified by ControllerHandle and\r
- RemainingDevicePath is not supported by the driver \r
+ RemainingDevicePath is not supported by the driver\r
specified by This.\r
\r
**/\r
\r
\r
/**\r
- Config a NULL UDP that is used to keep the connection between UDP and MTFTP. \r
- \r
- Just leave the Udp child unconfigured. When UDP is unloaded, \r
+ Config a NULL UDP that is used to keep the connection between UDP and MTFTP.\r
+\r
+ Just leave the Udp child unconfigured. When UDP is unloaded,\r
MTFTP will be informed with DriverBinding Stop.\r
\r
@param UdpIo The UDP_IO to configure\r
\r
**/\r
EFI_STATUS\r
+EFIAPI\r
Mtftp4ConfigNullUdp (\r
IN UDP_IO *UdpIo,\r
IN VOID *Context\r
\r
MtftpSb->Signature = MTFTP4_SERVICE_SIGNATURE;\r
MtftpSb->ServiceBinding = gMtftp4ServiceBindingTemplete;\r
- MtftpSb->InDestory = FALSE;\r
MtftpSb->ChildrenNum = 0;\r
InitializeListHead (&MtftpSb->Children);\r
\r
\r
\r
/**\r
- Start the MTFTP driver on this controller. \r
- \r
+ Start the MTFTP driver on this controller.\r
+\r
MTFTP driver will install a MTFTP SERVICE BINDING protocol on the supported\r
controller, which can be used to create/destroy MTFTP children.\r
\r
if (EFI_ERROR (Status)) {\r
return Status;\r
}\r
+ ASSERT (MtftpSb != NULL);\r
\r
Status = gBS->SetTimer (MtftpSb->Timer, TimerPeriodic, TICKS_PER_SECOND);\r
\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
+Mtftp4DestroyChildEntryInHandleBuffer (\r
+ IN LIST_ENTRY *Entry,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ MTFTP4_PROTOCOL *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, MTFTP4_PROTOCOL, Link, MTFTP4_PROTOCOL_SIGNATURE);\r
+ ServiceBinding = ((MTFTP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->ServiceBinding;\r
+ NumberOfChildren = ((MTFTP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->NumberOfChildren;\r
+ ChildHandleBuffer = ((MTFTP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *) Context)->ChildHandleBuffer;\r
+\r
+ if (!NetIsInHandleBuffer (Instance->Handle, NumberOfChildren, ChildHandleBuffer)) {\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ return ServiceBinding->DestroyChild (ServiceBinding, Instance->Handle);\r
+}\r
\r
/**\r
Stop the MTFTP driver on controller. The controller is a UDP\r
IN EFI_HANDLE *ChildHandleBuffer\r
)\r
{\r
- EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r
- MTFTP4_SERVICE *MtftpSb;\r
- MTFTP4_PROTOCOL *Instance;\r
- EFI_HANDLE NicHandle;\r
- EFI_STATUS Status;\r
- EFI_TPL OldTpl;\r
+ EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r
+ MTFTP4_SERVICE *MtftpSb;\r
+ EFI_HANDLE NicHandle;\r
+ EFI_STATUS Status;\r
+ LIST_ENTRY *List;\r
+ MTFTP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT Context;\r
\r
//\r
// MTFTP driver opens UDP child, So, Controller is a UDP\r
NicHandle = NetLibGetNicHandle (Controller, &gEfiUdp4ProtocolGuid);\r
\r
if (NicHandle == NULL) {\r
- return EFI_DEVICE_ERROR;\r
+ return EFI_SUCCESS;\r
}\r
\r
Status = gBS->OpenProtocol (\r
\r
MtftpSb = MTFTP4_SERVICE_FROM_THIS (ServiceBinding);\r
\r
- if (MtftpSb->InDestory) {\r
- return EFI_SUCCESS;\r
+ if (!IsListEmpty (&MtftpSb->Children)) {\r
+ //\r
+ // Destroy the Mtftp4 child instance in ChildHandleBuffer.\r
+ //\r
+ List = &MtftpSb->Children;\r
+ Context.ServiceBinding = ServiceBinding;\r
+ Context.NumberOfChildren = NumberOfChildren;\r
+ Context.ChildHandleBuffer = ChildHandleBuffer;\r
+ Status = NetDestroyLinkList (\r
+ List,\r
+ Mtftp4DestroyChildEntryInHandleBuffer,\r
+ &Context,\r
+ NULL\r
+ );\r
}\r
\r
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
-\r
- if (NumberOfChildren == 0) {\r
-\r
- MtftpSb->InDestory = TRUE;\r
-\r
+ if (NumberOfChildren == 0 && IsListEmpty (&MtftpSb->Children)) {\r
gBS->UninstallProtocolInterface (\r
NicHandle,\r
&gEfiMtftp4ServiceBindingProtocolGuid,\r
);\r
\r
Mtftp4CleanService (MtftpSb);\r
-\r
- FreePool (MtftpSb);\r
- } else {\r
-\r
- while (!IsListEmpty (&MtftpSb->Children)) {\r
- Instance = NET_LIST_HEAD (&MtftpSb->Children, MTFTP4_PROTOCOL, Link);\r
- Mtftp4ServiceBindingDestroyChild (ServiceBinding, Instance->Handle);\r
+ if (gMtftp4ControllerNameTable != NULL) {\r
+ FreeUnicodeStringTable (gMtftp4ControllerNameTable);\r
+ gMtftp4ControllerNameTable = NULL;\r
}\r
+ FreePool (MtftpSb);\r
\r
- if (MtftpSb->ChildrenNum != 0) {\r
- Status = EFI_DEVICE_ERROR;\r
- }\r
+ Status = EFI_SUCCESS;\r
}\r
\r
- gBS->RestoreTPL (OldTpl);\r
return Status;\r
}\r
\r
InitializeListHead (&Instance->Link);\r
CopyMem (&Instance->Mtftp4, &gMtftp4ProtocolTemplate, sizeof (Instance->Mtftp4));\r
Instance->State = MTFTP4_STATE_UNCONFIGED;\r
- Instance->InDestory = FALSE;\r
Instance->Service = MtftpSb;\r
\r
InitializeListHead (&Instance->Blocks);\r
);\r
\r
if (EFI_ERROR (Status)) {\r
- goto ON_ERROR;\r
+ UdpIoFreeIo (Instance->UnicastPort);\r
+ FreePool (Instance);\r
+ return Status;\r
}\r
\r
Instance->Handle = *ChildHandle;\r
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
);\r
if (EFI_ERROR (Status)) {\r
- gBS->UninstallMultipleProtocolInterfaces (\r
- Instance->Handle,\r
- &gEfiMtftp4ProtocolGuid,\r
- &Instance->Mtftp4,\r
- NULL\r
- );\r
+ goto ON_ERROR;\r
+ }\r
\r
+ //\r
+ // Open the Udp4 protocol by child.\r
+ //\r
+ Status = gBS->OpenProtocol (\r
+ Instance->UnicastPort->UdpHandle,\r
+ &gEfiUdp4ProtocolGuid,\r
+ (VOID **) &Udp4,\r
+ gMtftp4DriverBinding.DriverBindingHandle,\r
+ Instance->Handle,\r
+ EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // Close the Udp4 protocol.\r
+ //\r
+ gBS->CloseProtocol (\r
+ MtftpSb->ConnectUdp->UdpHandle,\r
+ &gEfiUdp4ProtocolGuid,\r
+ gMtftp4DriverBinding.DriverBindingHandle,\r
+ ChildHandle\r
+ );\r
goto ON_ERROR;\r
}\r
\r
\r
gBS->RestoreTPL (OldTpl);\r
\r
-ON_ERROR:\r
+ return EFI_SUCCESS;\r
\r
- if (EFI_ERROR (Status)) {\r
- UdpIoFreeIo (Instance->UnicastPort);\r
- FreePool (Instance);\r
+ON_ERROR:\r
+ if (Instance->Handle != NULL) {\r
+ gBS->UninstallMultipleProtocolInterfaces (\r
+ Instance->Handle,\r
+ &gEfiMtftp4ProtocolGuid,\r
+ &Instance->Mtftp4,\r
+ NULL\r
+ );\r
}\r
\r
+ UdpIoFreeIo (Instance->UnicastPort);\r
+ FreePool (Instance);\r
+\r
return Status;\r
}\r
\r
\r
/**\r
- Destory one of the service binding's child.\r
+ Destroy one of the service binding's child.\r
\r
@param This The service binding instance\r
- @param ChildHandle The child handle to destory\r
+ @param ChildHandle The child handle to destroy\r
\r
@retval EFI_INVALID_PARAMETER The parameter is invaid.\r
- @retval EFI_UNSUPPORTED The child may have already been destoried.\r
- @retval EFI_SUCCESS The child is destoried and removed from the\r
+ @retval EFI_UNSUPPORTED The child may have already been destroyed.\r
+ @retval EFI_SUCCESS The child is destroyed and removed from the\r
parent's child list.\r
\r
**/\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- if (Instance->InDestory) {\r
+ if (Instance->InDestroy) {\r
return EFI_SUCCESS;\r
}\r
\r
- Instance->InDestory = TRUE;\r
+ Instance->InDestroy = TRUE;\r
\r
//\r
// Close the Udp4 protocol.\r
ChildHandle\r
);\r
\r
+ gBS->CloseProtocol (\r
+ Instance->UnicastPort->UdpHandle,\r
+ &gEfiUdp4ProtocolGuid,\r
+ gMtftp4DriverBinding.DriverBindingHandle,\r
+ ChildHandle\r
+ );\r
+\r
+ if (Instance->McastUdpPort != NULL) {\r
+ gBS->CloseProtocol (\r
+ Instance->McastUdpPort->UdpHandle,\r
+ &gEfiUdp4ProtocolGuid,\r
+ gMtftp4DriverBinding.DriverBindingHandle,\r
+ ChildHandle\r
+ ); \r
+ }\r
+\r
//\r
// Uninstall the MTFTP4 protocol first to enable a top down destruction.\r
//\r
);\r
\r
if (EFI_ERROR (Status)) {\r
- Instance->InDestory = FALSE;\r
+ Instance->InDestroy = FALSE;\r
return Status;\r
}\r
\r
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