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      1 /*++
      2 
      3 Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
      4 This program and the accompanying materials
      5 are licensed and made available under the terms and conditions of the BSD License
      6 which accompanies this distribution.  The full text of the license may be found at
      7 http://opensource.org/licenses/bsd-license.php
      8 
      9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     11 
     12 Module Name:
     13 
     14   NicIp4Config.h
     15 
     16 Abstract:
     17 
     18 --*/
     19 
     20 #ifndef _NIC_IP4_CONFIG_H_
     21 #define _NIC_IP4_CONFIG_H_
     22 
     23 #include EFI_PROTOCOL_DEFINITION (Ip4Config)
     24 
     25 #define EFI_NIC_IP4_CONFIG_PROTOCOL_GUID \
     26   {0xdca3d4d, 0x12da, 0x4728, {0xbf, 0x7e, 0x86, 0xce, 0xb9, 0x28, 0xd0, 0x67}}
     27 
     28 #define EFI_NIC_IP4_CONFIG_VARIABLE_GUID  \
     29   {0xd8944553, 0xc4dd, 0x41f4, {0x9b, 0x30, 0xe1, 0x39, 0x7c, 0xfb, 0x26, 0x7b}}
     30 
     31 #define EFI_NIC_IP4_CONFIG_VARIABLE          L"EfiNicIp4ConfigVariable"
     32 
     33 
     34 typedef struct _EFI_NIC_IP4_CONFIG_PROTOCOL EFI_NIC_IP4_CONFIG_PROTOCOL;
     35 
     36 enum {
     37   //
     38   // Config source: dhcp or static
     39   //
     40   IP4_CONFIG_SOURCE_DHCP     = 0,
     41   IP4_CONFIG_SOURCE_STATIC,
     42   IP4_CONFIG_SOURCE_MAX,
     43 
     44   IP4_NIC_NAME_LENGTH        = 64,
     45   MAX_IP4_CONFIG_IN_VARIABLE = 128
     46 };
     47 
     48 //
     49 // The following structures are used by drivers/applications other
     50 // than EFI_IP4_PROTOCOL, such as ifconfig shell application, to
     51 // communicate the IP configuration information to EFI_IP4_CONFIG_PROTOCOL.
     52 // EFI_IP4_CONFIG_PROTOCOL in turn is used by EFI_IP4_PROTOCOL to get
     53 // the default IP4 configuration. ifconfig can't use the EFI_IP4_PROTOCOL
     54 // because it don't know how to configure the default IP address even
     55 // it has got the address.
     56 //
     57 // NIC_ADDR contains the interface's type and MAC address to identify
     58 // a specific NIC. NIC_IP4_CONFIG_INFO contains the IP4 configure
     59 // parameters for that NIC. IP4_CONFIG_VARIABLE is the EFI variable to
     60 // save the configuration. NIC_IP4_CONFIG_INFO and IP4_CONFIG_VARIABLE
     61 // is of variable length.
     62 //
     63 // EFI_NIC_IP4_CONFIG_PROTOCOL is a priority protocol, not defined by UEFI2.0
     64 //
     65 typedef struct {
     66   UINT16                    Type;
     67   UINT8                     Len;
     68   EFI_MAC_ADDRESS           MacAddr;
     69 } NIC_ADDR;
     70 
     71 typedef struct {
     72   NIC_ADDR                  NicAddr;    // Link layer address to identify the NIC
     73   UINT32                    Source;     // Static or DHCP
     74   BOOLEAN                   Perment;    // Survive the reboot or not
     75   EFI_IP4_IPCONFIG_DATA     Ip4Info;    // IP addresses
     76 } NIC_IP4_CONFIG_INFO;
     77 
     78 typedef struct {
     79   UINT32                    Len;        // Total length of the variable
     80   UINT16                    CheckSum;   // CheckSum, the same as IP4 head checksum
     81   UINT32                    Count;      // Number of NIC_IP4_CONFIG_INFO follows
     82   NIC_IP4_CONFIG_INFO       ConfigInfo;
     83 } IP4_CONFIG_VARIABLE;
     84 
     85 typedef
     86 EFI_STATUS
     87 (EFIAPI *EFI_NIC_IP4_CONFIG_GET_INFO) (
     88   IN EFI_NIC_IP4_CONFIG_PROTOCOL  *This,
     89   IN OUT UINTN                    *Len,
     90   OUT NIC_IP4_CONFIG_INFO         *NicConfig     OPTIONAL
     91   );
     92 
     93 typedef
     94 EFI_STATUS
     95 (EFIAPI *EFI_NIC_IP4_CONFIG_SET_INFO) (
     96   IN EFI_NIC_IP4_CONFIG_PROTOCOL  *This,
     97   IN NIC_IP4_CONFIG_INFO          *NicConfig,    OPTIONAL
     98   IN BOOLEAN                      ReConfig
     99   );
    100 
    101 typedef
    102 EFI_STATUS
    103 (EFIAPI *EFI_NIC_IP4_CONFIG_GET_NAME) (
    104   IN  EFI_NIC_IP4_CONFIG_PROTOCOL *This,
    105   IN  UINT16                      *Name,         OPTIONAL
    106   IN  NIC_ADDR                    *NicAddr       OPTIONAL
    107   );
    108 
    109 struct _EFI_NIC_IP4_CONFIG_PROTOCOL {
    110   EFI_NIC_IP4_CONFIG_GET_NAME     GetName;
    111   EFI_NIC_IP4_CONFIG_GET_INFO     GetInfo;
    112   EFI_NIC_IP4_CONFIG_SET_INFO     SetInfo;
    113 };
    114 
    115 extern EFI_GUID gEfiNicIp4ConfigVariableGuid;
    116 extern EFI_GUID gEfiNicIp4ConfigProtocolGuid;
    117 #endif
    118