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1 | /** @file\r |
| 2 | Data structure for DHCP support\r |
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3 | \r |
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4 | Copyright (c) 2004 - 2008, Intel Corporation\r |
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5 | All rights reserved. This program and the accompanying materials\r |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r |
| 7 | which accompanies this distribution. The full text of the license may be found at\r |
| 8 | http://opensource.org/licenses/bsd-license.php\r |
| 9 | \r |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
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12 | \r |
| 13 | Module Name:\r |
| 14 | \r |
| 15 | IScsiDhcp.h\r |
| 16 | \r |
| 17 | Abstract:\r |
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18 | The header file of IScsiDhcp.c\r |
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19 | \r |
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20 | **/\r |
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21 | \r |
| 22 | #ifndef _ISCSI_DHCP_H_\r |
| 23 | #define _ISCSI_DHCP_H_\r |
| 24 | \r |
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25 | #include <Protocol/Dhcp4.h>\r |
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26 | \r |
| 27 | #define DHCP4_TAG_PARA_LIST 55\r |
| 28 | #define DHCP4_TAG_NETMASK 1\r |
| 29 | #define DHCP4_TAG_ROUTER 3\r |
| 30 | #define DHCP4_TAG_DNS 6\r |
| 31 | #define DHCP4_TAG_SERVER_ID 54\r |
| 32 | #define DHCP4_TAG_ROOT_PATH 17\r |
| 33 | #define ISCSI_ROOT_PATH_ID "iscsi:"\r |
| 34 | #define ISCSI_ROOT_PATH_FIELD_DELIMITER ':'\r |
| 35 | \r |
| 36 | enum {\r |
| 37 | RP_FIELD_IDX_SERVERNAME = 0,\r |
| 38 | RP_FIELD_IDX_PROTOCOL,\r |
| 39 | RP_FIELD_IDX_PORT,\r |
| 40 | RP_FIELD_IDX_LUN,\r |
| 41 | RP_FIELD_IDX_TARGETNAME,\r |
| 42 | RP_FIELD_IDX_MAX\r |
| 43 | };\r |
| 44 | \r |
| 45 | typedef struct _ISCSI_ROOT_PATH_FIELD {\r |
| 46 | CHAR8 *Str;\r |
| 47 | UINT8 Len;\r |
| 48 | } ISCSI_ROOT_PATH_FIELD;\r |
| 49 | \r |
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50 | /**\r |
| 51 | Parse the DHCP ACK to get the address configuration and DNS information.\r |
| 52 | \r |
| 53 | @param Image[in] The handle of the driver image.\r |
| 54 | \r |
| 55 | @param Controller[in] The handle of the controller;\r |
| 56 | \r |
| 57 | @param ConfigData[in] The session configuration data.\r |
| 58 | \r |
| 59 | @retval EFI_SUCCESS The DNS information is got from the DHCP ACK.\r |
| 60 | \r |
| 61 | @retval EFI_NO_MAPPING DHCP failed to acquire address and other information.\r |
| 62 | \r |
| 63 | @retval EFI_INVALID_PARAMETER The DHCP ACK's DNS option is mal-formatted.\r |
| 64 | \r |
| 65 | @retval EFI_DEVICE_ERROR Some unexpected error happened.\r |
| 66 | \r |
| 67 | **/\r |
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68 | EFI_STATUS\r |
| 69 | IScsiDoDhcp (\r |
| 70 | IN EFI_HANDLE Image,\r |
| 71 | IN EFI_HANDLE Controller,\r |
| 72 | IN ISCSI_SESSION_CONFIG_DATA *ConfigData\r |
| 73 | );\r |
| 74 | \r |
| 75 | #endif\r |
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