efi32/include/efi/efi_nii.h

   1 #ifndef _EFI_NII_H
   2 #define _EFI_NII_H
   3
   4 /*++
   5 Copyright (c) 2000  Intel Corporation
   6
   7 Module name:
   8     efi_nii.h
   9
  10 Abstract:
  11
  12 Revision history:
  13     2000-Feb-18 M(f)J   GUID updated.
  14                 Structure order changed for machine word alignment.
  15                 Added StringId[4] to structure.
  16
  17     2000-Feb-14 M(f)J   Genesis.
  18 --*/
  19
  20 #define EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL \
  21     { 0xE18541CD, 0xF755, 0x4f73, {0x92, 0x8D, 0x64, 0x3C, 0x8A, 0x79, 0xB2, 0x29} }
  22
  23 #define EFI_NETWORK_INTERFACE_IDENTIFIER_INTERFACE_REVISION 0x00010000
  24
  25 typedef enum {
  26     EfiNetworkInterfaceUndi = 1
  27 } EFI_NETWORK_INTERFACE_TYPE;
  28
  29 typedef struct {
  30
  31     UINT64 Revision;
  32     // Revision of the network interface identifier protocol interface.
  33
  34     UINT64 ID;
  35     // Address of the first byte of the identifying structure for this
  36     // network interface.  This is set to zero if there is no structure.
  37     //
  38     // For PXE/UNDI this is the first byte of the !PXE structure.
  39
  40     UINT64 ImageAddr;
  41     // Address of the UNrelocated driver/ROM image.  This is set
  42     // to zero if there is no driver/ROM image.
  43     //
  44     // For 16-bit UNDI, this is the first byte of the option ROM in
  45     // upper memory.
  46     //
  47     // For 32/64-bit S/W UNDI, this is the first byte of the EFI ROM
  48     // image.
  49     //
  50     // For H/W UNDI, this is set to zero.
  51
  52     UINT32 ImageSize;
  53     // Size of the UNrelocated driver/ROM image of this network interface.
  54     // This is set to zero if there is no driver/ROM image.
  55
  56     CHAR8 StringId[4];
  57     // 4 char ASCII string to go in class identifier (option 60) in DHCP
  58     // and Boot Server discover packets.
  59     // For EfiNetworkInterfaceUndi this field is "UNDI".
  60     // For EfiNetworkInterfaceSnp this field is "SNPN".
  61
  62     UINT8 Type;
  63     UINT8 MajorVer;
  64     UINT8 MinorVer;
  65     // Information to be placed into the PXE DHCP and Discover packets.
  66     // This is the network interface type and version number that will
  67     // be placed into DHCP option 94 (client network interface identifier).
  68     BOOLEAN Ipv6Supported;
  69         UINT8   IfNum;  // interface number to be used with pxeid structure
  70 } EFI_NETWORK_INTERFACE_IDENTIFIER_INTERFACE;
  71
  72 extern EFI_GUID NetworkInterfaceIdentifierProtocol;
  73
  74 #endif // _EFI_NII_H