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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
75