mirror of https://github.com/acidanthera/audk.git
161 lines
3.9 KiB
C
161 lines
3.9 KiB
C
/** @file
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Implement the connection to the socket driver
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Copyright (c) 2011, Intel Corporation
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All rights reserved. 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 <Uefi.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiLib.h>
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#include <Protocol/EfiSocket.h>
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#include <Protocol/ServiceBinding.h>
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/**
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Connect to the socket driver
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@param [in] ppSocketProtocol Address to receive the socket protocol address
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@retval 0 Successfully returned the socket protocol
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@retval other Value for errno
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**/
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int
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EslServiceGetProtocol (
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IN EFI_SOCKET_PROTOCOL ** ppSocketProtocol
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)
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{
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EFI_SERVICE_BINDING_PROTOCOL * pServiceBinding;
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int RetVal;
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EFI_HANDLE SocketHandle;
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EFI_STATUS Status;
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//
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// Locate the socket protocol
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//
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Status = gBS->LocateProtocol ( &gEfiSocketServiceBindingProtocolGuid,
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NULL,
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(VOID **)&pServiceBinding );
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if ( !EFI_ERROR ( Status )) {
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//
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// Create a new socket
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//
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SocketHandle = NULL;
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Status = pServiceBinding->CreateChild ( pServiceBinding,
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&SocketHandle );
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if ( !EFI_ERROR ( Status )) {
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//
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// Get the socket protocol
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//
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Status = gBS->OpenProtocol ( SocketHandle,
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&gEfiSocketProtocolGuid,
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(VOID **)ppSocketProtocol,
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NULL,
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NULL,
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EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL );
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if ( !EFI_ERROR ( Status )) {
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//
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// Success!
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//
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RetVal = 0;
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}
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else {
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DEBUG (( DEBUG_ERROR,
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"ERROR - No socket protocol on 0x%08x, Status: %r\r\n",
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SocketHandle,
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Status ));
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RetVal = ENODEV;
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}
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}
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else {
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//
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// Translate the error
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//
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DEBUG (( DEBUG_ERROR,
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"ERROR - CreateChild failed, Status: %r\r\n",
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Status ));
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switch ( Status ) {
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case EFI_SUCCESS:
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RetVal = 0;
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break;
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case EFI_ACCESS_DENIED:
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case EFI_WRITE_PROTECTED:
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RetVal = EACCES;
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break;
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case EFI_NO_RESPONSE:
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RetVal = EHOSTUNREACH;
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break;
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case EFI_BAD_BUFFER_SIZE:
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case EFI_BUFFER_TOO_SMALL:
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case EFI_INVALID_PARAMETER:
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RetVal = EINVAL;
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break;
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case EFI_DEVICE_ERROR:
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case EFI_MEDIA_CHANGED:
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case EFI_NO_MEDIA:
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case EFI_VOLUME_CORRUPTED:
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RetVal = EIO;
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break;
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case EFI_NOT_FOUND:
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RetVal = ENOENT;
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break;
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default:
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case EFI_OUT_OF_RESOURCES:
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RetVal = ENOMEM;
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break;
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case EFI_VOLUME_FULL:
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RetVal = ENOSPC;
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break;
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case EFI_UNSUPPORTED:
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RetVal = ENOSYS;
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break;
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case EFI_NO_MAPPING:
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RetVal = ENXIO;
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break;
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case EFI_LOAD_ERROR:
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RetVal = ESRCH;
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break;
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case EFI_TIMEOUT:
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RetVal = ETIMEDOUT;
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break;
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case EFI_NOT_READY:
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RetVal = EWOULDBLOCK;
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break;
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}
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}
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}
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else {
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DEBUG (( DEBUG_ERROR,
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"ERROR - No socket service binding protocol, Status: %r\r\n",
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Status ));
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RetVal = ENODEV;
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}
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//
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// Return the operation status
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//
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return RetVal;
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}
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