mirror of https://github.com/acidanthera/audk.git
105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/** @file
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Routines used to operate the Ip4 configure variable.
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Copyright (c) 2006 - 2010, 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<BR>
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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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#ifndef _NIC_IP4_VARIABLE_H_
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#define _NIC_IP4_VARIABLE_H_
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//
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// Return the size of NIC_IP4_CONFIG_INFO and EFI_IP4_IPCONFIG_DATA.
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// They are of variable size
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//
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#define SIZEOF_IP4_CONFIG_INFO(Ip4Config) \
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(sizeof (EFI_IP4_IPCONFIG_DATA) + \
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sizeof (EFI_IP4_ROUTE_TABLE) * (Ip4Config)->RouteTableSize)
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#define SIZEOF_NIC_IP4_CONFIG_INFO(NicConfig) \
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(sizeof (NIC_IP4_CONFIG_INFO) + \
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sizeof (EFI_IP4_ROUTE_TABLE) * (NicConfig)->Ip4Info.RouteTableSize)
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//
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// Compare whether two NIC address are equal includes their type and length.
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//
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#define NIC_ADDR_EQUAL(Nic1, Nic2) \
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(((Nic1)->Type == (Nic2)->Type) && ((Nic1)->Len == (Nic2)->Len) && \
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NET_MAC_EQUAL (&(Nic1)->MacAddr, &(Nic2)->MacAddr, (Nic1)->Len))
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/**
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Check whether the configure parameter is valid.
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@param NicConfig The configure parameter to check
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@return TRUE if the parameter is valid for the interface, otherwise FALSE.
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**/
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BOOLEAN
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Ip4ConfigIsValid (
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IN NIC_IP4_CONFIG_INFO *NicConfig
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);
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/**
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Read the ip4 configure variable from the EFI variable.
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@param Instance The IP4 CONFIG instance.
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@return The IP4 configure read if it is there and is valid, otherwise NULL.
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**/
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NIC_IP4_CONFIG_INFO *
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Ip4ConfigReadVariable (
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IN IP4_CONFIG_INSTANCE *Instance
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);
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/**
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Write the IP4 configure variable to the NVRAM. If Config
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is NULL, remove the variable.
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@param Instance The IP4 CONFIG instance.
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@param NicConfig The IP4 configure data to write.
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@retval EFI_SUCCESS The variable is written to the NVRam.
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@retval Others Failed to write the variable.
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**/
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EFI_STATUS
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Ip4ConfigWriteVariable (
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IN IP4_CONFIG_INSTANCE *Instance,
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IN NIC_IP4_CONFIG_INFO *NicConfig OPTIONAL
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);
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/**
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Reclaim Ip4Config Variables for NIC which has been removed from the platform.
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**/
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VOID
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Ip4ConfigReclaimVariable (
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VOID
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);
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/**
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Fix the RouteTable pointer in an EFI_IP4_IPCONFIG_DATA structure.
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The pointer is set to be immediately follow the ConfigData if there're entries
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in the RouteTable. Otherwise it is set to NULL.
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@param ConfigData The IP4 IP configure data.
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**/
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VOID
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Ip4ConfigFixRouteTablePointer (
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IN OUT EFI_IP4_IPCONFIG_DATA *ConfigData
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);
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#endif
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