1 /** @file 2 The head file of iSCSI DHCP4 related configuration routines. 3 4 Copyright (c) 2004 - 2010, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 #ifndef _ISCSI_DHCP_H_ 16 #define _ISCSI_DHCP_H_ 17 18 19 #define DHCP4_TAG_PARA_LIST 55 20 #define DHCP4_TAG_NETMASK 1 21 #define DHCP4_TAG_ROUTER 3 22 #define DHCP4_TAG_DNS 6 23 #define DHCP4_TAG_SERVER_ID 54 24 #define DHCP4_TAG_ROOT_PATH 17 25 #define ISCSI_ROOT_PATH_ID "iscsi:" 26 #define ISCSI_ROOT_PATH_FIELD_DELIMITER ':' 27 28 #define RP_FIELD_IDX_SERVERNAME 0 29 #define RP_FIELD_IDX_PROTOCOL 1 30 #define RP_FIELD_IDX_PORT 2 31 #define RP_FIELD_IDX_LUN 3 32 #define RP_FIELD_IDX_TARGETNAME 4 33 #define RP_FIELD_IDX_MAX 5 34 35 typedef struct _ISCSI_ATTEMPT_CONFIG_NVDATA ISCSI_ATTEMPT_CONFIG_NVDATA; 36 37 typedef struct _ISCSI_ROOT_PATH_FIELD { 38 CHAR8 *Str; 39 UINT8 Len; 40 } ISCSI_ROOT_PATH_FIELD; 41 42 /** 43 Parse the DHCP ACK to get the address configuration and DNS information. 44 45 @param[in] Image The handle of the driver image. 46 @param[in] Controller The handle of the controller. 47 @param[in, out] ConfigData The attempt configuration data. 48 49 @retval EFI_SUCCESS The DNS information is got from the DHCP ACK. 50 @retval EFI_OUT_OF_RESOURCES Failed to allocate memory. 51 @retval EFI_NO_MEDIA There was a media error. 52 @retval Others Other errors as indicated. 53 54 **/ 55 EFI_STATUS 56 IScsiDoDhcp ( 57 IN EFI_HANDLE Image, 58 IN EFI_HANDLE Controller, 59 IN OUT ISCSI_ATTEMPT_CONFIG_NVDATA *ConfigData 60 ); 61 62 #endif 63