[mirror_edk2.git] / MdeModulePkg / Universal / Network / Dhcp4Dxe / ComponentName.c

/** @file\r
\r
Copyright (c) 2006 - 2018, 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\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
\r
**/\r
\r
\r
#include "Dhcp4Impl.h"\r
\r
//\r
// EFI Component Name Functions\r
//\r
/**\r
  Retrieves a Unicode string that is the user readable name of the driver.\r
\r
  This function retrieves the user readable name of a driver in the form of a\r
  Unicode string. If the driver specified by This has a user readable name in\r
  the language specified by Language, then a pointer to the driver name is\r
  returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
  by This does not support the language specified by Language,\r
  then EFI_UNSUPPORTED is returned.\r
\r
  @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
                                EFI_COMPONENT_NAME_PROTOCOL instance.\r
\r
  @param[in]  Language          A pointer to a Null-terminated ASCII string\r
                                array indicating the language. This is the\r
                                language of the driver name that the caller is\r
                                requesting, and it must match one of the\r
                                languages specified in SupportedLanguages. The\r
                                number of languages supported by a driver is up\r
                                to the driver writer. Language is specified\r
                                in RFC 4646 or ISO 639-2 language code format.\r
\r
  @param[out]  DriverName       A pointer to the Unicode string to return.\r
                                This Unicode string is the name of the\r
                                driver specified by This in the language\r
                                specified by Language.\r
\r
  @retval EFI_SUCCESS           The Unicode string for the Driver specified by\r
                                This and the language specified by Language was\r
                                returned in DriverName.\r
\r
  @retval EFI_INVALID_PARAMETER Language is NULL.\r
\r
  @retval EFI_INVALID_PARAMETER DriverName is NULL.\r
\r
  @retval EFI_UNSUPPORTED       The driver specified by This does not support\r
                                the language specified by Language.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
DhcpComponentNameGetDriverName (\r
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,\r
  IN  CHAR8                        *Language,\r
  OUT CHAR16                       **DriverName\r
  );\r
\r
\r
/**\r
  Retrieves a Unicode string that is the user readable name of the controller\r
  that is being managed by a driver.\r
\r
  This function retrieves the user readable name of the controller specified by\r
  ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
  driver specified by This has a user readable name in the language specified by\r
  Language, then a pointer to the controller name is returned in ControllerName,\r
  and EFI_SUCCESS is returned.  If the driver specified by This is not currently\r
  managing the controller specified by ControllerHandle and ChildHandle,\r
  then EFI_UNSUPPORTED is returned.  If the driver specified by This does not\r
  support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
\r
  @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
                                EFI_COMPONENT_NAME_PROTOCOL instance.\r
\r
  @param[in]  ControllerHandle  The handle of a controller that the driver\r
                                specified by This is managing.  This handle\r
                                specifies the controller whose name is to be\r
                                returned.\r
\r
  @param[in]  ChildHandle       The handle of the child controller to retrieve\r
                                the name of.  This is an optional parameter that\r
                                may be NULL.  It will be NULL for device\r
                                drivers.  It will also be NULL for a bus drivers\r
                                that wish to retrieve the name of the bus\r
                                controller.  It will not be NULL for a bus\r
                                driver that wishes to retrieve the name of a\r
                                child controller.\r
\r
  @param[in]  Language          A pointer to a Null-terminated ASCII string\r
                                array indicating the language.  This is the\r
                                language of the driver name that the caller is\r
                                requesting, and it must match one of the\r
                                languages specified in SupportedLanguages. The\r
                                number of languages supported by a driver is up\r
                                to the driver writer. Language is specified in\r
                                RFC 4646 or ISO 639-2 language code format.\r
\r
  @param[out]  ControllerName   A pointer to the Unicode string to return.\r
                                This Unicode string is the name of the\r
                                controller specified by ControllerHandle and\r
                                ChildHandle in the language specified by\r
                                Language from the point of view of the driver\r
                                specified by This.\r
\r
  @retval EFI_SUCCESS           The Unicode string for the user readable name in\r
                                the language specified by Language for the\r
                                driver specified by This was returned in\r
                                DriverName.\r
\r
  @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
\r
  @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
                                EFI_HANDLE.\r
\r
  @retval EFI_INVALID_PARAMETER Language is NULL.\r
\r
  @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
\r
  @retval EFI_UNSUPPORTED       The driver specified by This is not currently\r
                                managing the controller specified by\r
                                ControllerHandle and ChildHandle.\r
\r
  @retval EFI_UNSUPPORTED       The driver specified by This does not support\r
                                the language specified by Language.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
DhcpComponentNameGetControllerName (\r
  IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,\r
  IN  EFI_HANDLE                                      ControllerHandle,\r
  IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,\r
  IN  CHAR8                                           *Language,\r
  OUT CHAR16                                          **ControllerName\r
  );\r
\r
\r
//\r
// EFI Component Name Protocol\r
//\r
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL  gDhcp4ComponentName = {\r
  DhcpComponentNameGetDriverName,\r
  DhcpComponentNameGetControllerName,\r
  "eng"\r
};\r
\r
//\r
// EFI Component Name 2 Protocol\r
//\r
GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gDhcp4ComponentName2 = {\r
  (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) DhcpComponentNameGetDriverName,\r
  (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) DhcpComponentNameGetControllerName,\r
  "en"\r
};\r
\r
\r
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mDhcpDriverNameTable[] = {\r
  {\r
    "eng;en",\r
    L"DHCP Protocol Driver"\r
  },\r
  {\r
    NULL,\r
    NULL\r
  }\r
};\r
\r
GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE    *gDhcpControllerNameTable = NULL;\r
\r
CHAR16 *mDhcp4ControllerName[] = {\r
  L"DHCPv4 (State=0, Stopped)",\r
  L"DHCPv4 (State=1, Init)",\r
  L"DHCPv4 (State=2, Selecting)",\r
  L"DHCPv4 (State=3, Requesting)",\r
  L"DHCPv4 (State=4, Bound)",\r
  L"DHCPv4 (State=5, Renewing)",\r
  L"DHCPv4 (State=6, Rebinding)",\r
  L"DHCPv4 (State=7, InitReboot)",\r
  L"DHCPv4 (State=8, Rebooting)"\r
};\r
\r
/**\r
  Retrieves a Unicode string that is the user readable name of the driver.\r
\r
  This function retrieves the user readable name of a driver in the form of a\r
  Unicode string. If the driver specified by This has a user readable name in\r
  the language specified by Language, then a pointer to the driver name is\r
  returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
  by This does not support the language specified by Language,\r
  then EFI_UNSUPPORTED is returned.\r
\r
  @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
                                EFI_COMPONENT_NAME_PROTOCOL instance.\r
\r
  @param[in]  Language          A pointer to a Null-terminated ASCII string\r
                                array indicating the language. This is the\r
                                language of the driver name that the caller is\r
                                requesting, and it must match one of the\r
                                languages specified in SupportedLanguages. The\r
                                number of languages supported by a driver is up\r
                                to the driver writer. Language is specified\r
                                in RFC 4646 or ISO 639-2 language code format.\r
\r
  @param[out]  DriverName       A pointer to the Unicode string to return.\r
                                This Unicode string is the name of the\r
                                driver specified by This in the language\r
                                specified by Language.\r
\r
  @retval EFI_SUCCESS           The Unicode string for the Driver specified by\r
                                This and the language specified by Language was\r
                                returned in DriverName.\r
\r
  @retval EFI_INVALID_PARAMETER Language is NULL.\r
\r
  @retval EFI_INVALID_PARAMETER DriverName is NULL.\r
\r
  @retval EFI_UNSUPPORTED       The driver specified by This does not support\r
                                the language specified by Language.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
DhcpComponentNameGetDriverName (\r
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,\r
  IN  CHAR8                        *Language,\r
  OUT CHAR16                       **DriverName\r
  )\r
{\r
  return LookupUnicodeString2 (\r
           Language,\r
           This->SupportedLanguages,\r
           mDhcpDriverNameTable,\r
           DriverName,\r
           (BOOLEAN)(This == &gDhcp4ComponentName)\r
           );\r
}\r
\r
/**\r
  Update the component name for the Dhcp4 child handle.\r
\r
  @param  Dhcp4[in]               A pointer to the EFI_DHCP4_PROTOCOL.\r
\r
\r
  @retval EFI_SUCCESS             Update the ControllerNameTable of this instance successfully.\r
  @retval EFI_INVALID_PARAMETER   The input parameter is invalid.\r
  @retval EFI_DEVICE_ERROR        DHCP is in unknown state.\r
\r
**/\r
EFI_STATUS\r
UpdateName (\r
  IN     EFI_DHCP4_PROTOCOL             *Dhcp4\r
  )\r
{\r
  EFI_STATUS                       Status;\r
  EFI_DHCP4_MODE_DATA              Dhcp4ModeData;\r
\r
  if (Dhcp4 == NULL) {\r
    return EFI_INVALID_PARAMETER;\r
  }\r
\r
  //\r
  // Format the child name into the string buffer.\r
  //\r
  Status = Dhcp4->GetModeData (Dhcp4, &Dhcp4ModeData);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  if (gDhcpControllerNameTable != NULL) {\r
    FreeUnicodeStringTable (gDhcpControllerNameTable);\r
    gDhcpControllerNameTable = NULL;\r
  }\r
\r
  if (Dhcp4ModeData.State > Dhcp4Rebooting) {\r
    return EFI_DEVICE_ERROR;\r
  }\r
\r
  Status = AddUnicodeString2 (\r
             "eng",\r
             gDhcp4ComponentName.SupportedLanguages,\r
             &gDhcpControllerNameTable,\r
             mDhcp4ControllerName[Dhcp4ModeData.State],\r
             TRUE\r
             );\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  return AddUnicodeString2 (\r
           "en",\r
           gDhcp4ComponentName2.SupportedLanguages,\r
           &gDhcpControllerNameTable,\r
           mDhcp4ControllerName[Dhcp4ModeData.State],\r
           FALSE\r
           );\r
}\r
\r
/**\r
  Retrieves a Unicode string that is the user readable name of the controller\r
  that is being managed by a driver.\r
\r
  This function retrieves the user readable name of the controller specified by\r
  ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
  driver specified by This has a user readable name in the language specified by\r
  Language, then a pointer to the controller name is returned in ControllerName,\r
  and EFI_SUCCESS is returned.  If the driver specified by This is not currently\r
  managing the controller specified by ControllerHandle and ChildHandle,\r
  then EFI_UNSUPPORTED is returned.  If the driver specified by This does not\r
  support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
\r
  @param[in]  This              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
                                EFI_COMPONENT_NAME_PROTOCOL instance.\r
\r
  @param[in]  ControllerHandle  The handle of a controller that the driver\r
                                specified by This is managing.  This handle\r
                                specifies the controller whose name is to be\r
                                returned.\r
\r
  @param[in]  ChildHandle       The handle of the child controller to retrieve\r
                                the name of.  This is an optional parameter that\r
                                may be NULL.  It will be NULL for device\r
                                drivers.  It will also be NULL for a bus drivers\r
                                that wish to retrieve the name of the bus\r
                                controller.  It will not be NULL for a bus\r
                                driver that wishes to retrieve the name of a\r
                                child controller.\r
\r
  @param[in]  Language          A pointer to a Null-terminated ASCII string\r
                                array indicating the language.  This is the\r
                                language of the driver name that the caller is\r
                                requesting, and it must match one of the\r
                                languages specified in SupportedLanguages. The\r
                                number of languages supported by a driver is up\r
                                to the driver writer. Language is specified in\r
                                RFC 4646 or ISO 639-2 language code format.\r
\r
  @param[out]  ControllerName   A pointer to the Unicode string to return.\r
                                This Unicode string is the name of the\r
                                controller specified by ControllerHandle and\r
                                ChildHandle in the language specified by\r
                                Language from the point of view of the driver\r
                                specified by This.\r
\r
  @retval EFI_SUCCESS           The Unicode string for the user readable name in\r
                                the language specified by Language for the\r
                                driver specified by This was returned in\r
                                DriverName.\r
\r
  @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
\r
  @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
                                EFI_HANDLE.\r
\r
  @retval EFI_INVALID_PARAMETER Language is NULL.\r
\r
  @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
\r
  @retval EFI_UNSUPPORTED       The driver specified by This is not currently\r
                                managing the controller specified by\r
                                ControllerHandle and ChildHandle.\r
\r
  @retval EFI_UNSUPPORTED       The driver specified by This does not support\r
                                the language specified by Language.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
DhcpComponentNameGetControllerName (\r
  IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,\r
  IN  EFI_HANDLE                                      ControllerHandle,\r
  IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,\r
  IN  CHAR8                                           *Language,\r
  OUT CHAR16                                          **ControllerName\r
  )\r
{\r
  EFI_STATUS                    Status;\r
  EFI_DHCP4_PROTOCOL            *Dhcp4;\r
\r
  //\r
  // Only provide names for child handles.\r
  //\r
  if (ChildHandle == NULL) {\r
    return EFI_UNSUPPORTED;\r
  }\r
\r
  //\r
  // Make sure this driver produced ChildHandle\r
  //\r
  Status = EfiTestChildHandle (\r
             ControllerHandle,\r
             ChildHandle,\r
             &gEfiUdp4ProtocolGuid\r
             );\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  //\r
  // Retrieve an instance of a produced protocol from ChildHandle\r
  //\r
  Status = gBS->OpenProtocol (\r
                  ChildHandle,\r
                  &gEfiDhcp4ProtocolGuid,\r
                  (VOID **)&Dhcp4,\r
                  NULL,\r
                  NULL,\r
                  EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
                  );\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  //\r
  // Update the component name for this child handle.\r
  //\r
  Status = UpdateName (Dhcp4);\r
  if (EFI_ERROR (Status)) {\r
    return Status;\r
  }\r
\r
  return LookupUnicodeString2 (\r
           Language,\r
           This->SupportedLanguages,\r
           gDhcpControllerNameTable,\r
           ControllerName,\r
           (BOOLEAN)(This == &gDhcp4ComponentName)\r
           );\r
}\r
Commit	Line	Data
	1	/** @file\r
	2	\r
	3	Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
	4	This program and the accompanying materials\r
	5	are licensed and made available under the terms and conditions of the BSD License\r
	6	which accompanies this distribution. The full text of the license may be found at\r
	7	http://opensource.org/licenses/bsd-license.php\r
	8	\r
	9	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	10	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	11	\r
	12	**/\r
	13	\r
	14	\r
	15	#include "Dhcp4Impl.h"\r
	16	\r
	17	//\r
	18	// EFI Component Name Functions\r
	19	//\r
	20	/**\r
	21	Retrieves a Unicode string that is the user readable name of the driver.\r
	22	\r
	23	This function retrieves the user readable name of a driver in the form of a\r
	24	Unicode string. If the driver specified by This has a user readable name in\r
	25	the language specified by Language, then a pointer to the driver name is\r
	26	returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
	27	by This does not support the language specified by Language,\r
	28	then EFI_UNSUPPORTED is returned.\r
	29	\r
	30	@param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
	31	EFI_COMPONENT_NAME_PROTOCOL instance.\r
	32	\r
	33	@param[in] Language A pointer to a Null-terminated ASCII string\r
	34	array indicating the language. This is the\r
	35	language of the driver name that the caller is\r
	36	requesting, and it must match one of the\r
	37	languages specified in SupportedLanguages. The\r
	38	number of languages supported by a driver is up\r
	39	to the driver writer. Language is specified\r
	40	in RFC 4646 or ISO 639-2 language code format.\r
	41	\r
	42	@param[out] DriverName A pointer to the Unicode string to return.\r
	43	This Unicode string is the name of the\r
	44	driver specified by This in the language\r
	45	specified by Language.\r
	46	\r
	47	@retval EFI_SUCCESS The Unicode string for the Driver specified by\r
	48	This and the language specified by Language was\r
	49	returned in DriverName.\r
	50	\r
	51	@retval EFI_INVALID_PARAMETER Language is NULL.\r
	52	\r
	53	@retval EFI_INVALID_PARAMETER DriverName is NULL.\r
	54	\r
	55	@retval EFI_UNSUPPORTED The driver specified by This does not support\r
	56	the language specified by Language.\r
	57	\r
	58	**/\r
	59	EFI_STATUS\r
	60	EFIAPI\r
	61	DhcpComponentNameGetDriverName (\r
	62	IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
	63	IN CHAR8 *Language,\r
	64	OUT CHAR16 **DriverName\r
	65	);\r
	66	\r
	67	\r
	68	/**\r
	69	Retrieves a Unicode string that is the user readable name of the controller\r
	70	that is being managed by a driver.\r
	71	\r
	72	This function retrieves the user readable name of the controller specified by\r
	73	ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
	74	driver specified by This has a user readable name in the language specified by\r
	75	Language, then a pointer to the controller name is returned in ControllerName,\r
	76	and EFI_SUCCESS is returned. If the driver specified by This is not currently\r
	77	managing the controller specified by ControllerHandle and ChildHandle,\r
	78	then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r
	79	support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
	80	\r
	81	@param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
	82	EFI_COMPONENT_NAME_PROTOCOL instance.\r
	83	\r
	84	@param[in] ControllerHandle The handle of a controller that the driver\r
	85	specified by This is managing. This handle\r
	86	specifies the controller whose name is to be\r
	87	returned.\r
	88	\r
	89	@param[in] ChildHandle The handle of the child controller to retrieve\r
	90	the name of. This is an optional parameter that\r
	91	may be NULL. It will be NULL for device\r
	92	drivers. It will also be NULL for a bus drivers\r
	93	that wish to retrieve the name of the bus\r
	94	controller. It will not be NULL for a bus\r
	95	driver that wishes to retrieve the name of a\r
	96	child controller.\r
	97	\r
	98	@param[in] Language A pointer to a Null-terminated ASCII string\r
	99	array indicating the language. This is the\r
	100	language of the driver name that the caller is\r
	101	requesting, and it must match one of the\r
	102	languages specified in SupportedLanguages. The\r
	103	number of languages supported by a driver is up\r
	104	to the driver writer. Language is specified in\r
	105	RFC 4646 or ISO 639-2 language code format.\r
	106	\r
	107	@param[out] ControllerName A pointer to the Unicode string to return.\r
	108	This Unicode string is the name of the\r
	109	controller specified by ControllerHandle and\r
	110	ChildHandle in the language specified by\r
	111	Language from the point of view of the driver\r
	112	specified by This.\r
	113	\r
	114	@retval EFI_SUCCESS The Unicode string for the user readable name in\r
	115	the language specified by Language for the\r
	116	driver specified by This was returned in\r
	117	DriverName.\r
	118	\r
	119	@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
	120	\r
	121	@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
	122	EFI_HANDLE.\r
	123	\r
	124	@retval EFI_INVALID_PARAMETER Language is NULL.\r
	125	\r
	126	@retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
	127	\r
	128	@retval EFI_UNSUPPORTED The driver specified by This is not currently\r
	129	managing the controller specified by\r
	130	ControllerHandle and ChildHandle.\r
	131	\r
	132	@retval EFI_UNSUPPORTED The driver specified by This does not support\r
	133	the language specified by Language.\r
	134	\r
	135	**/\r
	136	EFI_STATUS\r
	137	EFIAPI\r
	138	DhcpComponentNameGetControllerName (\r
	139	IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
	140	IN EFI_HANDLE ControllerHandle,\r
	141	IN EFI_HANDLE ChildHandle OPTIONAL,\r
	142	IN CHAR8 *Language,\r
	143	OUT CHAR16 **ControllerName\r
	144	);\r
	145	\r
	146	\r
	147	//\r
	148	// EFI Component Name Protocol\r
	149	//\r
	150	GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gDhcp4ComponentName = {\r
	151	DhcpComponentNameGetDriverName,\r
	152	DhcpComponentNameGetControllerName,\r
	153	"eng"\r
	154	};\r
	155	\r
	156	//\r
	157	// EFI Component Name 2 Protocol\r
	158	//\r
	159	GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gDhcp4ComponentName2 = {\r
	160	(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) DhcpComponentNameGetDriverName,\r
	161	(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) DhcpComponentNameGetControllerName,\r
	162	"en"\r
	163	};\r
	164	\r
	165	\r
	166	GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mDhcpDriverNameTable[] = {\r
	167	{\r
	168	"eng;en",\r
	169	L"DHCP Protocol Driver"\r
	170	},\r
	171	{\r
	172	NULL,\r
	173	NULL\r
	174	}\r
	175	};\r
	176	\r
	177	GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE *gDhcpControllerNameTable = NULL;\r
	178	\r
	179	CHAR16 *mDhcp4ControllerName[] = {\r
	180	L"DHCPv4 (State=0, Stopped)",\r
	181	L"DHCPv4 (State=1, Init)",\r
	182	L"DHCPv4 (State=2, Selecting)",\r
	183	L"DHCPv4 (State=3, Requesting)",\r
	184	L"DHCPv4 (State=4, Bound)",\r
	185	L"DHCPv4 (State=5, Renewing)",\r
	186	L"DHCPv4 (State=6, Rebinding)",\r
	187	L"DHCPv4 (State=7, InitReboot)",\r
	188	L"DHCPv4 (State=8, Rebooting)"\r
	189	};\r
	190	\r
	191	/**\r
	192	Retrieves a Unicode string that is the user readable name of the driver.\r
	193	\r
	194	This function retrieves the user readable name of a driver in the form of a\r
	195	Unicode string. If the driver specified by This has a user readable name in\r
	196	the language specified by Language, then a pointer to the driver name is\r
	197	returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
	198	by This does not support the language specified by Language,\r
	199	then EFI_UNSUPPORTED is returned.\r
	200	\r
	201	@param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
	202	EFI_COMPONENT_NAME_PROTOCOL instance.\r
	203	\r
	204	@param[in] Language A pointer to a Null-terminated ASCII string\r
	205	array indicating the language. This is the\r
	206	language of the driver name that the caller is\r
	207	requesting, and it must match one of the\r
	208	languages specified in SupportedLanguages. The\r
	209	number of languages supported by a driver is up\r
	210	to the driver writer. Language is specified\r
	211	in RFC 4646 or ISO 639-2 language code format.\r
	212	\r
	213	@param[out] DriverName A pointer to the Unicode string to return.\r
	214	This Unicode string is the name of the\r
	215	driver specified by This in the language\r
	216	specified by Language.\r
	217	\r
	218	@retval EFI_SUCCESS The Unicode string for the Driver specified by\r
	219	This and the language specified by Language was\r
	220	returned in DriverName.\r
	221	\r
	222	@retval EFI_INVALID_PARAMETER Language is NULL.\r
	223	\r
	224	@retval EFI_INVALID_PARAMETER DriverName is NULL.\r
	225	\r
	226	@retval EFI_UNSUPPORTED The driver specified by This does not support\r
	227	the language specified by Language.\r
	228	\r
	229	**/\r
	230	EFI_STATUS\r
	231	EFIAPI\r
	232	DhcpComponentNameGetDriverName (\r
	233	IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
	234	IN CHAR8 *Language,\r
	235	OUT CHAR16 **DriverName\r
	236	)\r
	237	{\r
	238	return LookupUnicodeString2 (\r
	239	Language,\r
	240	This->SupportedLanguages,\r
	241	mDhcpDriverNameTable,\r
	242	DriverName,\r
	243	(BOOLEAN)(This == &gDhcp4ComponentName)\r
	244	);\r
	245	}\r
	246	\r
	247	/**\r
	248	Update the component name for the Dhcp4 child handle.\r
	249	\r
	250	@param Dhcp4[in] A pointer to the EFI_DHCP4_PROTOCOL.\r
	251	\r
	252	\r
	253	@retval EFI_SUCCESS Update the ControllerNameTable of this instance successfully.\r
	254	@retval EFI_INVALID_PARAMETER The input parameter is invalid.\r
	255	@retval EFI_DEVICE_ERROR DHCP is in unknown state.\r
	256	\r
	257	**/\r
	258	EFI_STATUS\r
	259	UpdateName (\r
	260	IN EFI_DHCP4_PROTOCOL *Dhcp4\r
	261	)\r
	262	{\r
	263	EFI_STATUS Status;\r
	264	EFI_DHCP4_MODE_DATA Dhcp4ModeData;\r
	265	\r
	266	if (Dhcp4 == NULL) {\r
	267	return EFI_INVALID_PARAMETER;\r
	268	}\r
	269	\r
	270	//\r
	271	// Format the child name into the string buffer.\r
	272	//\r
	273	Status = Dhcp4->GetModeData (Dhcp4, &Dhcp4ModeData);\r
	274	if (EFI_ERROR (Status)) {\r
	275	return Status;\r
	276	}\r
	277	\r
	278	if (gDhcpControllerNameTable != NULL) {\r
	279	FreeUnicodeStringTable (gDhcpControllerNameTable);\r
	280	gDhcpControllerNameTable = NULL;\r
	281	}\r
	282	\r
	283	if (Dhcp4ModeData.State > Dhcp4Rebooting) {\r
	284	return EFI_DEVICE_ERROR;\r
	285	}\r
	286	\r
	287	Status = AddUnicodeString2 (\r
	288	"eng",\r
	289	gDhcp4ComponentName.SupportedLanguages,\r
	290	&gDhcpControllerNameTable,\r
	291	mDhcp4ControllerName[Dhcp4ModeData.State],\r
	292	TRUE\r
	293	);\r
	294	if (EFI_ERROR (Status)) {\r
	295	return Status;\r
	296	}\r
	297	\r
	298	return AddUnicodeString2 (\r
	299	"en",\r
	300	gDhcp4ComponentName2.SupportedLanguages,\r
	301	&gDhcpControllerNameTable,\r
	302	mDhcp4ControllerName[Dhcp4ModeData.State],\r
	303	FALSE\r
	304	);\r
	305	}\r
	306	\r
	307	/**\r
	308	Retrieves a Unicode string that is the user readable name of the controller\r
	309	that is being managed by a driver.\r
	310	\r
	311	This function retrieves the user readable name of the controller specified by\r
	312	ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
	313	driver specified by This has a user readable name in the language specified by\r
	314	Language, then a pointer to the controller name is returned in ControllerName,\r
	315	and EFI_SUCCESS is returned. If the driver specified by This is not currently\r
	316	managing the controller specified by ControllerHandle and ChildHandle,\r
	317	then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r
	318	support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
	319	\r
	320	@param[in] This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
	321	EFI_COMPONENT_NAME_PROTOCOL instance.\r
	322	\r
	323	@param[in] ControllerHandle The handle of a controller that the driver\r
	324	specified by This is managing. This handle\r
	325	specifies the controller whose name is to be\r
	326	returned.\r
	327	\r
	328	@param[in] ChildHandle The handle of the child controller to retrieve\r
	329	the name of. This is an optional parameter that\r
	330	may be NULL. It will be NULL for device\r
	331	drivers. It will also be NULL for a bus drivers\r
	332	that wish to retrieve the name of the bus\r
	333	controller. It will not be NULL for a bus\r
	334	driver that wishes to retrieve the name of a\r
	335	child controller.\r
	336	\r
	337	@param[in] Language A pointer to a Null-terminated ASCII string\r
	338	array indicating the language. This is the\r
	339	language of the driver name that the caller is\r
	340	requesting, and it must match one of the\r
	341	languages specified in SupportedLanguages. The\r
	342	number of languages supported by a driver is up\r
	343	to the driver writer. Language is specified in\r
	344	RFC 4646 or ISO 639-2 language code format.\r
	345	\r
	346	@param[out] ControllerName A pointer to the Unicode string to return.\r
	347	This Unicode string is the name of the\r
	348	controller specified by ControllerHandle and\r
	349	ChildHandle in the language specified by\r
	350	Language from the point of view of the driver\r
	351	specified by This.\r
	352	\r
	353	@retval EFI_SUCCESS The Unicode string for the user readable name in\r
	354	the language specified by Language for the\r
	355	driver specified by This was returned in\r
	356	DriverName.\r
	357	\r
	358	@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
	359	\r
	360	@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
	361	EFI_HANDLE.\r
	362	\r
	363	@retval EFI_INVALID_PARAMETER Language is NULL.\r
	364	\r
	365	@retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
	366	\r
	367	@retval EFI_UNSUPPORTED The driver specified by This is not currently\r
	368	managing the controller specified by\r
	369	ControllerHandle and ChildHandle.\r
	370	\r
	371	@retval EFI_UNSUPPORTED The driver specified by This does not support\r
	372	the language specified by Language.\r
	373	\r
	374	**/\r
	375	EFI_STATUS\r
	376	EFIAPI\r
	377	DhcpComponentNameGetControllerName (\r
	378	IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
	379	IN EFI_HANDLE ControllerHandle,\r
	380	IN EFI_HANDLE ChildHandle OPTIONAL,\r
	381	IN CHAR8 *Language,\r
	382	OUT CHAR16 **ControllerName\r
	383	)\r
	384	{\r
	385	EFI_STATUS Status;\r
	386	EFI_DHCP4_PROTOCOL *Dhcp4;\r
	387	\r
	388	//\r
	389	// Only provide names for child handles.\r
	390	//\r
	391	if (ChildHandle == NULL) {\r
	392	return EFI_UNSUPPORTED;\r
	393	}\r
	394	\r
	395	//\r
	396	// Make sure this driver produced ChildHandle\r
	397	//\r
	398	Status = EfiTestChildHandle (\r
	399	ControllerHandle,\r
	400	ChildHandle,\r
	401	&gEfiUdp4ProtocolGuid\r
	402	);\r
	403	if (EFI_ERROR (Status)) {\r
	404	return Status;\r
	405	}\r
	406	\r
	407	//\r
	408	// Retrieve an instance of a produced protocol from ChildHandle\r
	409	//\r
	410	Status = gBS->OpenProtocol (\r
	411	ChildHandle,\r
	412	&gEfiDhcp4ProtocolGuid,\r
	413	(VOID **)&Dhcp4,\r
	414	NULL,\r
	415	NULL,\r
	416	EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
	417	);\r
	418	if (EFI_ERROR (Status)) {\r
	419	return Status;\r
	420	}\r
	421	\r
	422	//\r
	423	// Update the component name for this child handle.\r
	424	//\r
	425	Status = UpdateName (Dhcp4);\r
	426	if (EFI_ERROR (Status)) {\r
	427	return Status;\r
	428	}\r
	429	\r
	430	return LookupUnicodeString2 (\r
	431	Language,\r
	432	This->SupportedLanguages,\r
	433	gDhcpControllerNameTable,\r
	434	ControllerName,\r
	435	(BOOLEAN)(This == &gDhcp4ComponentName)\r
	436	);\r
	437	}\r