OvmfPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / OvmfPkg / VirtioNetDxe / SnpUnsupported.c

/** @file\r
\r
  Empty implementation of the SNP methods that dependent protocols don't\r
  absolutely need and the UEFI-2.3.1+errC specification allows us not to\r
  support.\r
\r
  Copyright (C) 2013, Red Hat, Inc.\r
  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "VirtioNet.h"\r
\r
/**\r
  Resets a network adapter and re-initializes it with the parameters that were\r
  provided in the previous call to Initialize().\r
\r
  @param  This                 The protocol instance pointer.\r
  @param  ExtendedVerification Indicates that the driver may perform a more\r
                               exhaustive verification operation of the device\r
                               during reset.\r
\r
  @retval EFI_SUCCESS           The network interface was reset.\r
  @retval EFI_NOT_STARTED       The network interface has not been started.\r
  @retval EFI_INVALID_PARAMETER One or more of the parameters has an\r
                                unsupported value.\r
  @retval EFI_DEVICE_ERROR      The command could not be sent to the network\r
                                interface.\r
  @retval EFI_UNSUPPORTED       This function is not supported by the network\r
                                interface.\r
\r
**/\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioNetReset (\r
  IN EFI_SIMPLE_NETWORK_PROTOCOL *This,\r
  IN BOOLEAN                     ExtendedVerification\r
  )\r
{\r
  return EFI_UNSUPPORTED;\r
}\r
\r
\r
/**\r
  Modifies or resets the current station address, if supported.\r
\r
  @param  This  The protocol instance pointer.\r
  @param  Reset Flag used to reset the station address to the network\r
                interfaces permanent address.\r
  @param  New   The new station address to be used for the network interface.\r
\r
  @retval EFI_SUCCESS           The network interfaces station address was\r
                                updated.\r
  @retval EFI_NOT_STARTED       The network interface has not been started.\r
  @retval EFI_INVALID_PARAMETER One or more of the parameters has an\r
                                unsupported value.\r
  @retval EFI_DEVICE_ERROR      The command could not be sent to the network\r
                                interface.\r
  @retval EFI_UNSUPPORTED       This function is not supported by the network\r
                                interface.\r
\r
**/\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioNetStationAddress (\r
  IN EFI_SIMPLE_NETWORK_PROTOCOL *This,\r
  IN BOOLEAN                     Reset,\r
  IN EFI_MAC_ADDRESS             *New OPTIONAL\r
  )\r
{\r
  return EFI_UNSUPPORTED;\r
}\r
\r
\r
/**\r
  Resets or collects the statistics on a network interface.\r
\r
  @param  This            Protocol instance pointer.\r
  @param  Reset           Set to TRUE to reset the statistics for the network\r
                          interface.\r
  @param  StatisticsSize  On input the size, in bytes, of StatisticsTable. On\r
                          output the size, in bytes, of the resulting table of\r
                          statistics.\r
  @param  StatisticsTable A pointer to the EFI_NETWORK_STATISTICS structure\r
                          that contains the statistics.\r
\r
  @retval EFI_SUCCESS           The statistics were collected from the network\r
                                interface.\r
  @retval EFI_NOT_STARTED       The network interface has not been started.\r
  @retval EFI_BUFFER_TOO_SMALL  The Statistics buffer was too small. The\r
                                current buffer size needed to hold the\r
                                statistics is returned in StatisticsSize.\r
  @retval EFI_INVALID_PARAMETER One or more of the parameters has an\r
                                unsupported value.\r
  @retval EFI_DEVICE_ERROR      The command could not be sent to the network\r
                                interface.\r
  @retval EFI_UNSUPPORTED       This function is not supported by the network\r
                                interface.\r
\r
**/\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioNetStatistics (\r
  IN EFI_SIMPLE_NETWORK_PROTOCOL *This,\r
  IN BOOLEAN                     Reset,\r
  IN OUT UINTN                   *StatisticsSize   OPTIONAL,\r
  OUT EFI_NETWORK_STATISTICS     *StatisticsTable  OPTIONAL\r
  )\r
{\r
  return EFI_UNSUPPORTED;\r
}\r
\r
\r
/**\r
  Performs read and write operations on the NVRAM device attached to a  network\r
  interface.\r
\r
  @param  This       The protocol instance pointer.\r
  @param  ReadWrite  TRUE for read operations, FALSE for write operations.\r
  @param  Offset     Byte offset in the NVRAM device at which to start the read\r
                     or write operation. This must be a multiple of\r
                     NvRamAccessSize and less than NvRamSize.\r
  @param  BufferSize The number of bytes to read or write from the NVRAM\r
                     device. This must also be a multiple of NvramAccessSize.\r
  @param  Buffer     A pointer to the data buffer.\r
\r
  @retval EFI_SUCCESS           The NVRAM access was performed.\r
  @retval EFI_NOT_STARTED       The network interface has not been started.\r
  @retval EFI_INVALID_PARAMETER One or more of the parameters has an\r
                                unsupported value.\r
  @retval EFI_DEVICE_ERROR      The command could not be sent to the network\r
                                interface.\r
  @retval EFI_UNSUPPORTED       This function is not supported by the network\r
                                interface.\r
\r
**/\r
\r
EFI_STATUS\r
EFIAPI\r
VirtioNetNvData (\r
  IN EFI_SIMPLE_NETWORK_PROTOCOL *This,\r
  IN BOOLEAN                     ReadWrite,\r
  IN UINTN                       Offset,\r
  IN UINTN                       BufferSize,\r
  IN OUT VOID                    *Buffer\r
  )\r
{\r
  return EFI_UNSUPPORTED;\r
}\r