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432 lines
17 KiB
C
432 lines
17 KiB
C
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/** @file
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "Dhcp4Impl.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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DhcpComponentNameGetDriverName (
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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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DhcpComponentNameGetControllerName (
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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 gDhcp4ComponentName = {
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DhcpComponentNameGetDriverName,
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DhcpComponentNameGetControllerName,
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"eng"
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};
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//
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// EFI Component Name 2 Protocol
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//
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gDhcp4ComponentName2 = {
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(EFI_COMPONENT_NAME2_GET_DRIVER_NAME) DhcpComponentNameGetDriverName,
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(EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) DhcpComponentNameGetControllerName,
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"en"
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};
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mDhcpDriverNameTable[] = {
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{
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"eng;en",
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L"DHCP Protocol 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 *gDhcpControllerNameTable = NULL;
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CHAR16 *mDhcp4ControllerName[] = {
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L"DHCPv4 (State=0, Stopped)",
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L"DHCPv4 (State=1, Init)",
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L"DHCPv4 (State=2, Selecting)",
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L"DHCPv4 (State=3, Requesting)",
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L"DHCPv4 (State=4, Bound)",
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L"DHCPv4 (State=5, Renewing)",
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L"DHCPv4 (State=6, Rebinding)",
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L"DHCPv4 (State=7, InitReboot)",
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L"DHCPv4 (State=8, Rebooting)"
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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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DhcpComponentNameGetDriverName (
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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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mDhcpDriverNameTable,
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DriverName,
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(BOOLEAN)(This == &gDhcp4ComponentName)
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);
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}
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/**
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Update the component name for the Dhcp4 child handle.
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@param Dhcp4[in] A pointer to the EFI_DHCP4_PROTOCOL.
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@retval EFI_SUCCESS Update the ControllerNameTable of this instance successfully.
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@retval EFI_INVALID_PARAMETER The input parameter is invalid.
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@retval EFI_DEVICE_ERROR DHCP is in unknown state.
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**/
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EFI_STATUS
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UpdateName (
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IN EFI_DHCP4_PROTOCOL *Dhcp4
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)
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{
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EFI_STATUS Status;
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EFI_DHCP4_MODE_DATA Dhcp4ModeData;
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if (Dhcp4 == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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//
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// Format the child name into the string buffer.
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//
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Status = Dhcp4->GetModeData (Dhcp4, &Dhcp4ModeData);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if (gDhcpControllerNameTable != NULL) {
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FreeUnicodeStringTable (gDhcpControllerNameTable);
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gDhcpControllerNameTable = NULL;
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}
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if (Dhcp4ModeData.State > Dhcp4Rebooting) {
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return EFI_DEVICE_ERROR;
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}
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Status = AddUnicodeString2 (
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"eng",
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gDhcp4ComponentName.SupportedLanguages,
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&gDhcpControllerNameTable,
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mDhcp4ControllerName[Dhcp4ModeData.State],
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TRUE
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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 AddUnicodeString2 (
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"en",
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gDhcp4ComponentName2.SupportedLanguages,
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&gDhcpControllerNameTable,
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mDhcp4ControllerName[Dhcp4ModeData.State],
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FALSE
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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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||
|
|
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||
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This function retrieves the user readable name of the controller specified by
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|
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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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|
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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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|
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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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|
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language of the driver name that the caller is
|
||
|
|
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
|
||
|
|
to the driver writer. Language is specified in
|
||
|
|
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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|
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EFI_STATUS
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EFIAPI
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DhcpComponentNameGetControllerName (
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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_STATUS Status;
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||
|
|
EFI_DHCP4_PROTOCOL *Dhcp4;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Only provide names for child handles.
|
||
|
|
//
|
||
|
|
if (ChildHandle == NULL) {
|
||
|
|
return EFI_UNSUPPORTED;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Make sure this driver produced ChildHandle
|
||
|
|
//
|
||
|
|
Status = EfiTestChildHandle (
|
||
|
|
ControllerHandle,
|
||
|
|
ChildHandle,
|
||
|
|
&gEfiUdp4ProtocolGuid
|
||
|
|
);
|
||
|
|
if (EFI_ERROR (Status)) {
|
||
|
|
return Status;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Retrieve an instance of a produced protocol from ChildHandle
|
||
|
|
//
|
||
|
|
Status = gBS->OpenProtocol (
|
||
|
|
ChildHandle,
|
||
|
|
&gEfiDhcp4ProtocolGuid,
|
||
|
|
(VOID **)&Dhcp4,
|
||
|
|
NULL,
|
||
|
|
NULL,
|
||
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
||
|
|
);
|
||
|
|
if (EFI_ERROR (Status)) {
|
||
|
|
return Status;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Update the component name for this child handle.
|
||
|
|
//
|
||
|
|
Status = UpdateName (Dhcp4);
|
||
|
|
if (EFI_ERROR (Status)) {
|
||
|
|
return Status;
|
||
|
|
}
|
||
|
|
|
||
|
|
return LookupUnicodeString2 (
|
||
|
|
Language,
|
||
|
|
This->SupportedLanguages,
|
||
|
|
gDhcpControllerNameTable,
|
||
|
|
ControllerName,
|
||
|
|
(BOOLEAN)(This == &gDhcp4ComponentName)
|
||
|
|
);
|
||
|
|
}
|