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/** @file
The header file of iSCSI DHCP6 related configuration routines.
Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _ISCSI_DHCP6_H_
#define _ISCSI_DHCP6_H_
#define ISCSI_ROOT_PATH_ID "iscsi:"
#define ISCSI_ROOT_PATH_FIELD_DELIMITER ':'
#define ISCSI_ROOT_PATH_ADDR_START_DELIMITER '['
#define ISCSI_ROOT_PATH_ADDR_END_DELIMITER ']'
/**
Extract the Root Path option and get the required target information from
Boot File Uniform Resource Locator (URL) Option.
@param[in] RootPath The RootPath string.
@param[in] Length Length of the RootPath option payload.
@param[in, out] ConfigData The iSCSI session configuration data read from
nonvolatile device.
@retval EFI_SUCCESS All required information is extracted from the
RootPath option.
@retval EFI_NOT_FOUND The RootPath is not an iSCSI RootPath.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
@retval EFI_INVALID_PARAMETER The RootPath is malformatted.
**/
EFI_STATUS
IScsiDhcp6ExtractRootPath (
IN CHAR8 *RootPath,
IN UINT16 Length,
IN OUT ISCSI_ATTEMPT_CONFIG_NVDATA *ConfigData
);
/**
Parse the DHCP ACK to get the address configuration and DNS information.
@param[in] Image The handle of the driver image.
@param[in] Controller The handle of the controller;
@param[in, out] ConfigData The attempt configuration data.
@retval EFI_SUCCESS The DNS information is got from the DHCP ACK.
@retval EFI_NO_MAPPING DHCP failed to acquire address and other
information.
@retval EFI_INVALID_PARAMETER The DHCP ACK's DNS option is malformatted.
@retval EFI_DEVICE_ERROR Some unexpected error happened.
@retval EFI_OUT_OF_RESOURCES There is no sufficient resource to finish the
operation.
@retval EFI_NO_MEDIA There was a media error.
**/
EFI_STATUS
IScsiDoDhcp6 (
IN EFI_HANDLE Image,
IN EFI_HANDLE Controller,
IN OUT ISCSI_ATTEMPT_CONFIG_NVDATA *ConfigData
);
#endif
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