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	2. Fix the driver binding Stop() hang issue in the network stack. 3. Add Ip4 raw data support. 4. Add iSCSI Dhcp option 60 support. Signed-off-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Ouyang Qian <qian.ouyang@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13995 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			366 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			366 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/** @file
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Copyright (c) 2007 - 2012, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution.  The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "PxeBcImpl.h"
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//
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// EFI Component Name Functions
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//
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/**
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  Retrieves a Unicode string that is the user readable name of the driver.
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  This function retrieves the user readable name of a driver in the form of a
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  Unicode string. If the driver specified by This has a user readable name in
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  the language specified by Language, then a pointer to the driver name is
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  returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
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  by This does not support the language specified by Language,
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  then EFI_UNSUPPORTED is returned.
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  @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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                                EFI_COMPONENT_NAME_PROTOCOL instance.
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  @param[in]  Language          A pointer to a Null-terminated ASCII string
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                                array indicating the language. This is the
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                                language of the driver name that the caller is
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                                requesting, and it must match one of the
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                                languages specified in SupportedLanguages. The
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                                number of languages supported by a driver is up
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                                to the driver writer. Language is specified
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                                in RFC 4646 or ISO 639-2 language code format.
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  @param[out]  DriverName       A pointer to the Unicode string to return.
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                                This Unicode string is the name of the
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                                driver specified by This in the language
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                                specified by Language.
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  @retval EFI_SUCCESS           The Unicode string for the Driver specified by
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                                This and the language specified by Language was
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                                returned in DriverName.
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  @retval EFI_INVALID_PARAMETER Language is NULL.
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  @retval EFI_INVALID_PARAMETER DriverName is NULL.
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  @retval EFI_UNSUPPORTED       The driver specified by This does not support
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                                the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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PxeBcComponentNameGetDriverName (
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  IN  EFI_COMPONENT_NAME_PROTOCOL  * This,
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  IN  CHAR8                        *Language,
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  OUT CHAR16                       **DriverName
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  );
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/**
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  Retrieves a Unicode string that is the user readable name of the controller
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  that is being managed by a driver.
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  This function retrieves the user readable name of the controller specified by
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  ControllerHandle and ChildHandle in the form of a Unicode string. If the
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  driver specified by This has a user readable name in the language specified by
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  Language, then a pointer to the controller name is returned in ControllerName,
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  and EFI_SUCCESS is returned.  If the driver specified by This is not currently
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  managing the controller specified by ControllerHandle and ChildHandle,
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  then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
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  support the language specified by Language, then EFI_UNSUPPORTED is returned.
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  @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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                                EFI_COMPONENT_NAME_PROTOCOL instance.
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  @param[in]  ControllerHandle  The handle of a controller that the driver
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                                specified by This is managing.  This handle
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                                specifies the controller whose name is to be
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                                returned.
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  @param[in]  ChildHandle       The handle of the child controller to retrieve
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                                the name of.  This is an optional parameter that
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                                may be NULL.  It will be NULL for device
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                                drivers.  It will also be NULL for a bus drivers
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                                that wish to retrieve the name of the bus
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                                controller.  It will not be NULL for a bus
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                                driver that wishes to retrieve the name of a
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                                child controller.
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  @param[in]  Language          A pointer to a Null-terminated ASCII string
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                                array indicating the language.  This is the
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                                language of the driver name that the caller is
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                                requesting, and it must match one of the
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                                languages specified in SupportedLanguages. The
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                                number of languages supported by a driver is up
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                                to the driver writer. Language is specified in
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                                RFC 4646 or ISO 639-2 language code format.
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  @param[out]  ControllerName   A pointer to the Unicode string to return.
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                                This Unicode string is the name of the
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                                controller specified by ControllerHandle and
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                                ChildHandle in the language specified by
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                                Language from the point of view of the driver
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                                specified by This.
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  @retval EFI_SUCCESS           The Unicode string for the user readable name in
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                                the language specified by Language for the
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                                driver specified by This was returned in
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                                DriverName.
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  @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
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  @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
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                                EFI_HANDLE.
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  @retval EFI_INVALID_PARAMETER Language is NULL.
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  @retval EFI_INVALID_PARAMETER ControllerName is NULL.
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  @retval EFI_UNSUPPORTED       The driver specified by This is not currently
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                                managing the controller specified by
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                                ControllerHandle and ChildHandle.
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  @retval EFI_UNSUPPORTED       The driver specified by This does not support
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                                the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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PxeBcComponentNameGetControllerName (
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  IN  EFI_COMPONENT_NAME_PROTOCOL  * This,
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  IN  EFI_HANDLE                   ControllerHandle,
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  IN  EFI_HANDLE                   ChildHandle        OPTIONAL,
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  IN  CHAR8                        *Language,
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  OUT CHAR16                       **ControllerName
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  );
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//
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// EFI Component Name Protocol
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//
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL     gPxeBcComponentName = {
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  PxeBcComponentNameGetDriverName,
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  PxeBcComponentNameGetControllerName,
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  "eng"
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};
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL    gPxeBcComponentName2 = {
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  (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) PxeBcComponentNameGetDriverName,
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  (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) PxeBcComponentNameGetControllerName,
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  "en"
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};
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mPxeBcDriverNameTable[] = {
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  {
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    "eng;en",
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    L"UEFI PXE Base Code Driver"
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  },
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  {
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    NULL,
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    NULL
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  }
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};
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mPxeBcControllerNameTable[] = {
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  {
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    "eng;en",
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    L"PXE Controller"
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  },
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  {
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    NULL,
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    NULL
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  }
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};
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/**
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  Retrieves a Unicode string that is the user readable name of the driver.
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  This function retrieves the user readable name of a driver in the form of a
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  Unicode string. If the driver specified by This has a user readable name in
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  the language specified by Language, then a pointer to the driver name is
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  returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
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  by This does not support the language specified by Language,
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  then EFI_UNSUPPORTED is returned.
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  @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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                                EFI_COMPONENT_NAME_PROTOCOL instance.
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  @param[in]  Language          A pointer to a Null-terminated ASCII string
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                                array indicating the language. This is the
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                                language of the driver name that the caller is
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                                requesting, and it must match one of the
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                                languages specified in SupportedLanguages. The
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                                number of languages supported by a driver is up
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                                to the driver writer. Language is specified
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                                in RFC 4646 or ISO 639-2 language code format.
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  @param[out]  DriverName       A pointer to the Unicode string to return.
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                                This Unicode string is the name of the
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                                driver specified by This in the language
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                                specified by Language.
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  @retval EFI_SUCCESS           The Unicode string for the Driver specified by
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                                This and the language specified by Language was
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                                returned in DriverName.
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  @retval EFI_INVALID_PARAMETER Language is NULL.
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  @retval EFI_INVALID_PARAMETER DriverName is NULL.
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  @retval EFI_UNSUPPORTED       The driver specified by This does not support
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                                the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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PxeBcComponentNameGetDriverName (
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  IN  EFI_COMPONENT_NAME_PROTOCOL  * This,
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  IN  CHAR8                        *Language,
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  OUT CHAR16                       **DriverName
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  )
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{
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  return LookupUnicodeString2 (
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          Language,
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          This->SupportedLanguages,
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          mPxeBcDriverNameTable,
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          DriverName,
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          (BOOLEAN)(This == &gPxeBcComponentName)
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          );
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}
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/**
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  Retrieves a Unicode string that is the user readable name of the controller
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  that is being managed by a driver.
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  This function retrieves the user readable name of the controller specified by
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						|
  ControllerHandle and ChildHandle in the form of a Unicode string. If the
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  driver specified by This has a user readable name in the language specified by
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						|
  Language, then a pointer to the controller name is returned in ControllerName,
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						|
  and EFI_SUCCESS is returned.  If the driver specified by This is not currently
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						|
  managing the controller specified by ControllerHandle and ChildHandle,
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						|
  then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
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  support the language specified by Language, then EFI_UNSUPPORTED is returned.
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  @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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                                EFI_COMPONENT_NAME_PROTOCOL instance.
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						|
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  @param[in]  ControllerHandle  The handle of a controller that the driver
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                                specified by This is managing.  This handle
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						|
                                specifies the controller whose name is to be
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						|
                                returned.
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  @param[in]  ChildHandle       The handle of the child controller to retrieve
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                                the name of.  This is an optional parameter that
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                                may be NULL.  It will be NULL for device
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						|
                                drivers.  It will also be NULL for a bus drivers
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						|
                                that wish to retrieve the name of the bus
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						|
                                controller.  It will not be NULL for a bus
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						|
                                driver that wishes to retrieve the name of a
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						|
                                child controller.
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						|
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  @param[in]  Language          A pointer to a Null-terminated ASCII string
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						|
                                array indicating the language.  This is the
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						|
                                language of the driver name that the caller is
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						|
                                requesting, and it must match one of the
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						|
                                languages specified in SupportedLanguages. The
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						|
                                number of languages supported by a driver is up
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						|
                                to the driver writer. Language is specified in
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						|
                                RFC 4646 or ISO 639-2 language code format.
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						|
 | 
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  @param[out]  ControllerName   A pointer to the Unicode string to return.
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                                This Unicode string is the name of the
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                                controller specified by ControllerHandle and
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                                ChildHandle in the language specified by
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                                Language from the point of view of the driver
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                                specified by This.
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  @retval EFI_SUCCESS           The Unicode string for the user readable name in
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                                the language specified by Language for the
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                                driver specified by This was returned in
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                                DriverName.
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  @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
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  @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
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                                EFI_HANDLE.
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  @retval EFI_INVALID_PARAMETER Language is NULL.
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  @retval EFI_INVALID_PARAMETER ControllerName is NULL.
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  @retval EFI_UNSUPPORTED       The driver specified by This is not currently
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                                managing the controller specified by
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                                ControllerHandle and ChildHandle.
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						|
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  @retval EFI_UNSUPPORTED       The driver specified by This does not support
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                                the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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PxeBcComponentNameGetControllerName (
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  IN  EFI_COMPONENT_NAME_PROTOCOL  * This,
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  IN  EFI_HANDLE                   ControllerHandle,
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  IN  EFI_HANDLE                   ChildHandle        OPTIONAL,
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  IN  CHAR8                        *Language,
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  OUT CHAR16                       **ControllerName
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  )
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{
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  EFI_PXE_BASE_CODE_PROTOCOL  *PxeBc;
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  EFI_HANDLE                  NicHandle;
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  EFI_STATUS                  Status;
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  if (ControllerHandle == NULL || ChildHandle != NULL) {
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    return EFI_UNSUPPORTED;
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  }
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  NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiArpProtocolGuid);
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  if (NicHandle == NULL) {
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    NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp4ProtocolGuid);
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    if (NicHandle == NULL) {
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      NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiIp4ProtocolGuid);
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      if (NicHandle == NULL) {
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        NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiUdp4ProtocolGuid);
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        if (NicHandle == NULL) {
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          NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiMtftp4ProtocolGuid);
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          if (NicHandle == NULL) {
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            return EFI_UNSUPPORTED;
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          }
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        }
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      }
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    }
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  }
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  Status = gBS->OpenProtocol (
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                  NicHandle,
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                  &gEfiPxeBaseCodeProtocolGuid,
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                  (VOID **) &PxeBc,
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                  NULL,
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                  NULL,
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                  EFI_OPEN_PROTOCOL_GET_PROTOCOL
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                  );
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  if (EFI_ERROR (Status)) {
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    return Status;
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  }
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  return LookupUnicodeString2 (
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           Language,
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           This->SupportedLanguages,
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           mPxeBcControllerNameTable,
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           ControllerName,
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           (BOOLEAN)(This == &gPxeBcComponentName)
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           );
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}
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