| 1 | /** @file
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| 2 | The header file of iSCSI DHCP6 related configuration routines.
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| 3 |
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| 4 | Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
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| 5 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 6 |
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| 7 | **/
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| 8 |
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| 9 | #ifndef _ISCSI_DHCP6_H_
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| 10 | #define _ISCSI_DHCP6_H_
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| 11 |
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| 12 | #define ISCSI_ROOT_PATH_ID "iscsi:"
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| 13 | #define ISCSI_ROOT_PATH_FIELD_DELIMITER ':'
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| 14 | #define ISCSI_ROOT_PATH_ADDR_START_DELIMITER '['
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| 15 | #define ISCSI_ROOT_PATH_ADDR_END_DELIMITER ']'
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| 16 |
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| 17 | /**
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| 18 | Extract the Root Path option and get the required target information from
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| 19 | Boot File Uniform Resource Locator (URL) Option.
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| 20 |
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| 21 | @param[in] RootPath The RootPath string.
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| 22 | @param[in] Length Length of the RootPath option payload.
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| 23 | @param[in, out] ConfigData The iSCSI session configuration data read from
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| 24 | nonvolatile device.
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| 25 |
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| 26 | @retval EFI_SUCCESS All required information is extracted from the
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| 27 | RootPath option.
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| 28 | @retval EFI_NOT_FOUND The RootPath is not an iSCSI RootPath.
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| 29 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
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| 30 | @retval EFI_INVALID_PARAMETER The RootPath is malformatted.
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| 31 |
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| 32 | **/
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| 33 | EFI_STATUS
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| 34 | IScsiDhcp6ExtractRootPath (
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| 35 | IN CHAR8 *RootPath,
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| 36 | IN UINT16 Length,
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| 37 | IN OUT ISCSI_ATTEMPT_CONFIG_NVDATA *ConfigData
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| 38 | );
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| 39 |
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| 40 | /**
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| 41 | Parse the DHCP ACK to get the address configuration and DNS information.
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| 42 |
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| 43 | @param[in] Image The handle of the driver image.
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| 44 | @param[in] Controller The handle of the controller;
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| 45 | @param[in, out] ConfigData The attempt configuration data.
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| 46 |
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| 47 | @retval EFI_SUCCESS The DNS information is got from the DHCP ACK.
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| 48 | @retval EFI_NO_MAPPING DHCP failed to acquire address and other
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| 49 | information.
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| 50 | @retval EFI_INVALID_PARAMETER The DHCP ACK's DNS option is malformatted.
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| 51 | @retval EFI_DEVICE_ERROR Some unexpected error happened.
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| 52 | @retval EFI_OUT_OF_RESOURCES There is no sufficient resource to finish the
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| 53 | operation.
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| 54 | @retval EFI_NO_MEDIA There was a media error.
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| 55 |
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| 56 | **/
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| 57 | EFI_STATUS
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| 58 | IScsiDoDhcp6 (
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| 59 | IN EFI_HANDLE Image,
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| 60 | IN EFI_HANDLE Controller,
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| 61 | IN OUT ISCSI_ATTEMPT_CONFIG_NVDATA *ConfigData
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| 62 | );
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| 63 |
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| 64 | #endif
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