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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5384 6f19259b-4bc3-4df7-8a09-765794883524
136 lines
3.8 KiB
C
136 lines
3.8 KiB
C
/** @file
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Copyright (c) 2006 - 2008, 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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Module Name:
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NicIp4Variable.h
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Abstract:
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Routines used to operate the Ip4 configure variable
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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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#include <Protocol/NicIp4Config.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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None
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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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IP4_CONFIG_VARIABLE *
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Ip4ConfigReadVariable (
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VOID
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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 Config 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_VARIABLE *Config OPTIONAL
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);
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/**
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Locate the IP4 configure parameters from the variable.If a
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configuration is found, copy it to a newly allocated block
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of memory to avoid the alignment problem. Caller should
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release the memory after use.
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@param Variable The IP4 configure variable to search in
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@param NicAddr The interface address to check
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@return The point to the NIC's IP4 configure info if it is found
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@return in the IP4 variable, otherwise NULL.
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**/
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NIC_IP4_CONFIG_INFO *
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Ip4ConfigFindNicVariable (
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IN IP4_CONFIG_VARIABLE *Variable,
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IN NIC_ADDR *NicAddr
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);
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/**
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Modify the configuration parameter for the NIC in the variable.
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If Config is NULL, old configuration will be remove from the new
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variable. Otherwise, append it or replace the old one.
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@param Variable The IP4 variable to change
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@param NicAddr The interface to search
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@param Config The new configuration parameter (NULL to remove the old)
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@return The new IP4_CONFIG_VARIABLE variable if the new variable has at
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@return least one NIC configure and no EFI_OUT_OF_RESOURCES failure.
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@return Return NULL either because failed to locate memory for new variable
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@return or the only NIC configure is removed from the Variable.
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**/
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IP4_CONFIG_VARIABLE *
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Ip4ConfigModifyVariable (
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IN IP4_CONFIG_VARIABLE *Variable, OPTIONAL
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IN NIC_ADDR *NicAddr,
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IN NIC_IP4_CONFIG_INFO *Config OPTIONAL
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);
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VOID
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Ip4ConfigFixRouteTablePointer (
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IN EFI_IP4_IPCONFIG_DATA *ConfigData
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);
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#endif
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