1 /** @file
2   EFI Network Interface Identifier Protocol.
3 
4 Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials are licensed and made available under
6 the terms and conditions of the BSD License that accompanies this distribution.
7 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   @par Revision Reference:
14   This Protocol is introduced in EFI Specification 1.10.
15 
16 **/
17 
18 #ifndef __EFI_NETWORK_INTERFACE_IDENTIFER_H__
19 #define __EFI_NETWORK_INTERFACE_IDENTIFER_H__
20 
21 //
22 // GUID retired from UEFI Specification 2.1b
23 //
24 #define EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_GUID \
25   { \
26     0xE18541CD, 0xF755, 0x4f73, {0x92, 0x8D, 0x64, 0x3C, 0x8A, 0x79, 0xB2, 0x29 } \
27   }
28 
29 //
30 // GUID intruduced in UEFI Specification 2.1b
31 //
32 #define EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_GUID_31 \
33   { \
34     0x1ACED566, 0x76ED, 0x4218, {0xBC, 0x81, 0x76, 0x7F, 0x1F, 0x97, 0x7A, 0x89 } \
35   }
36 
37 //
38 // Revision defined in UEFI Specification 2.4
39 //
40 #define EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_REVISION    0x00020000
41 
42 
43 ///
44 /// Revision defined in EFI1.1.
45 ///
46 #define EFI_NETWORK_INTERFACE_IDENTIFIER_INTERFACE_REVISION   EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_REVISION
47 
48 ///
49 /// Forward reference for pure ANSI compatability.
50 ///
51 typedef struct _EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL  EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL;
52 
53 ///
54 /// Protocol defined in EFI1.1.
55 ///
56 typedef EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL   EFI_NETWORK_INTERFACE_IDENTIFIER_INTERFACE;
57 
58 ///
59 /// An optional protocol that is used to describe details about the software
60 /// layer that is used to produce the Simple Network Protocol.
61 ///
62 struct _EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL {
63   UINT64    Revision;   ///< The revision of the EFI_NETWORK_INTERFACE_IDENTIFIER protocol.
64   UINT64    Id;         ///< The address of the first byte of the identifying structure for this network
65                         ///< interface. This is only valid when the network interface is started
66                         ///< (see Start()). When the network interface is not started, this field is set to zero.
67   UINT64    ImageAddr;  ///< The address of the first byte of the identifying structure for this
68                         ///< network interface.  This is set to zero if there is no structure.
69   UINT32    ImageSize;  ///< The size of unrelocated network interface image.
70   CHAR8     StringId[4];///< A four-character ASCII string that is sent in the class identifier field of
71                         ///< option 60 in DHCP. For a Type of EfiNetworkInterfaceUndi, this field is UNDI.
72   UINT8     Type;       ///< Network interface type. This will be set to one of the values
73                         ///< in EFI_NETWORK_INTERFACE_TYPE.
74   UINT8     MajorVer;   ///< Major version number.
75   UINT8     MinorVer;   ///< Minor version number.
76   BOOLEAN   Ipv6Supported; ///< TRUE if the network interface supports IPv6; otherwise FALSE.
77   UINT16    IfNum;      ///< The network interface number that is being identified by this Network
78                         ///< Interface Identifier Protocol. This field must be less than or
79                         ///< equal to the (IFcnt | IFcntExt <<8 ) fields in the !PXE structure.
80 
81 };
82 
83 ///
84 ///*******************************************************
85 /// EFI_NETWORK_INTERFACE_TYPE
86 ///*******************************************************
87 ///
88 typedef enum {
89   EfiNetworkInterfaceUndi = 1
90 } EFI_NETWORK_INTERFACE_TYPE;
91 
92 ///
93 /// Forward reference for pure ANSI compatability.
94 ///
95 typedef struct undiconfig_table  UNDI_CONFIG_TABLE;
96 
97 ///
98 /// The format of the configuration table for UNDI
99 ///
100 struct undiconfig_table {
101   UINT32             NumberOfInterfaces;    ///< The number of NIC devices
102                                             ///< that this UNDI controls.
103   UINT32             reserved;
104   UNDI_CONFIG_TABLE  *nextlink;             ///< A pointer to the next UNDI
105                                             ///< configuration table.
106   ///
107   /// The length of this array is given in the NumberOfInterfaces field.
108   ///
109   struct {
110     VOID             *NII_InterfacePointer; ///< Pointer to the NII interface structure.
111     VOID             *DevicePathPointer;    ///< Pointer to the device path for this NIC.
112   } NII_entry[1];
113 };
114 
115 extern EFI_GUID gEfiNetworkInterfaceIdentifierProtocolGuid;
116 extern EFI_GUID gEfiNetworkInterfaceIdentifierProtocolGuid_31;
117 
118 #endif
119