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465 lines
15 KiB
465 lines
15 KiB
/** @file
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This file defines the EFI Supplicant Protocol.
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Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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@par Revision Reference:
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This Protocol is introduced in UEFI Specification 2.6
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**/
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#ifndef __EFI_SUPPLICANT_PROTOCOL_H__
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#define __EFI_SUPPLICANT_PROTOCOL_H__
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#include <Protocol/WiFi2.h>
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///
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/// The EFI Supplicant Service Binding Protocol is used to locate EFI
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/// Supplicant Protocol drivers to create and destroy child of the driver to
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/// communicate with other host using Supplicant protocol.
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///
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#define EFI_SUPPLICANT_SERVICE_BINDING_PROTOCOL_GUID \
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{ \
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0x45bcd98e, 0x59ad, 0x4174, { 0x95, 0x46, 0x34, 0x4a, 0x7, 0x48, 0x58, 0x98 } \
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}
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///
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/// The EFI Supplicant protocol provides services to process authentication and
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/// data encryption/decryption for security management.
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///
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#define EFI_SUPPLICANT_PROTOCOL_GUID \
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{ \
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0x54fcc43e, 0xaa89, 0x4333, { 0x9a, 0x85, 0xcd, 0xea, 0x24, 0x5, 0x1e, 0x9e } \
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}
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typedef struct _EFI_SUPPLICANT_PROTOCOL EFI_SUPPLICANT_PROTOCOL;
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///
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/// EFI_SUPPLICANT_CRYPT_MODE
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///
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typedef enum {
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//
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// Encrypt data provided in the fragment buffers.
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//
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EfiSupplicantEncrypt,
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//
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// Decrypt data provided in the fragment buffers.
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//
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EfiSupplicantDecrypt,
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} EFI_SUPPLICANT_CRYPT_MODE;
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///
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/// EFI_SUPPLICANT_DATA_TYPE
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///
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typedef enum {
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//
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// Session Configuration
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//
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//
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// Current authentication type in use. The corresponding Data is of type
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// EFI_80211_AKM_SUITE_SELECTOR.
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//
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EfiSupplicant80211AKMSuite,
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//
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// Group data encryption type in use. The corresponding Data is of type
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// EFI_SUPPLICANT_CIPHER_SUITE_SELECTOR.
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//
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EfiSupplicant80211GroupDataCipherSuite,
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//
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// Pairwise encryption type in use. The corresponding Data is of type
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// EFI_80211_CIPHER_SUITE_SELECTOR.
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//
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EfiSupplicant80211PairwiseCipherSuite,
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//
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// PSK password. The corresponding Data is a NULL-terminated ASCII string.
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//
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EfiSupplicant80211PskPassword,
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//
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// Target SSID name. The corresponding Data is of type EFI_80211_SSID.
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//
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EfiSupplicant80211TargetSSIDName,
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//
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// Station MAC address. The corresponding Data is of type
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// EFI_80211_MAC_ADDRESS.
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//
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EfiSupplicant80211StationMac,
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//
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// Target SSID MAC address. The corresponding Data is 6 bytes MAC address.
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//
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EfiSupplicant80211TargetSSIDMac,
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//
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// Session Information
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//
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//
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// 802.11 PTK. The corresponding Data is of type EFI_SUPPLICANT_KEY.
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//
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EfiSupplicant80211PTK,
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//
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// 802.11 GTK. The corresponding Data is of type EFI_SUPPLICANT_GTK_LIST.
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//
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EfiSupplicant80211GTK,
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//
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// Supplicant state. The corresponding Data is
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// EFI_EAPOL_SUPPLICANT_PAE_STATE.
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//
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EfiSupplicantState,
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//
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// 802.11 link state. The corresponding Data is EFI_80211_LINK_STATE.
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//
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EfiSupplicant80211LinkState,
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//
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// Flag indicates key is refreshed. The corresponding Data is
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// EFI_SUPPLICANT_KEY_REFRESH.
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//
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EfiSupplicantKeyRefresh,
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//
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// Session Configuration
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//
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//
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// Supported authentication types. The corresponding Data is of type
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// EFI_80211_AKM_SUITE_SELECTOR.
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//
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EfiSupplicant80211SupportedAKMSuites,
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//
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// Supported software encryption types provided by supplicant driver. The
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// corresponding Data is of type EFI_80211_CIPHER_SUITE_SELECTOR.
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//
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EfiSupplicant80211SupportedSoftwareCipherSuites,
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//
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// Supported hardware encryption types provided by wireless UNDI driver. The
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// corresponding Data is of type EFI_80211_CIPHER_SUITE_SELECTOR.
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//
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EfiSupplicant80211SupportedHardwareCipherSuites,
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//
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// Session Information
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//
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//
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// 802.11 Integrity GTK. The corresponding Data is of type
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// EFI_SUPPLICANT_GTK_LIST.
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//
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EfiSupplicant80211IGTK,
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//
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// 802.11 PMK. The corresponding Data is 32 bytes pairwise master key.
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//
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EfiSupplicant80211PMK,
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EfiSupplicantDataTypeMaximum
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} EFI_SUPPLICANT_DATA_TYPE;
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///
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/// EFI_80211_LINK_STATE
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///
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typedef enum {
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//
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// Indicates initial start state, unauthenticated, unassociated.
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//
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Ieee80211UnauthenticatedUnassociated,
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//
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// Indicates authenticated, unassociated.
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//
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Ieee80211AuthenticatedUnassociated,
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//
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// Indicates authenticated and associated, but pending RSN authentication.
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//
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Ieee80211PendingRSNAuthentication,
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//
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// Indicates authenticated and associated.
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//
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Ieee80211AuthenticatedAssociated
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} EFI_80211_LINK_STATE;
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///
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/// EFI_SUPPLICANT_KEY_TYPE (IEEE Std 802.11 Section 6.3.19.1.2)
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///
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typedef enum {
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Group,
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Pairwise,
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PeerKey,
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IGTK
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} EFI_SUPPLICANT_KEY_TYPE;
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///
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/// EFI_SUPPLICANT_KEY_DIRECTION (IEEE Std 802.11 Section 6.3.19.1.2)
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///
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typedef enum {
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//
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// Indicates that the keys are being installed for the receive direction.
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//
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Receive,
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//
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// Indicates that the keys are being installed for the transmit direction.
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//
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Transmit,
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//
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// Indicates that the keys are being installed for both the receive and
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// transmit directions.
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//
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Both
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} EFI_SUPPLICANT_KEY_DIRECTION;
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///
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/// EFI_SUPPLICANT_KEY_REFRESH
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///
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typedef struct {
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//
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// If TRUE, indicates GTK is just refreshed after a successful call to
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// EFI_SUPPLICANT_PROTOCOL.BuildResponsePacket().
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//
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BOOLEAN GTKRefresh;
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} EFI_SUPPLICANT_KEY_REFRESH;
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#define EFI_MAX_KEY_LEN 64
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///
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/// EFI_SUPPLICANT_KEY
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///
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typedef struct {
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//
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// The key value.
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//
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UINT8 Key[EFI_MAX_KEY_LEN];
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//
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// Length in bytes of the Key. Should be up to EFI_MAX_KEY_LEN.
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//
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UINT8 KeyLen;
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//
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// The key identifier.
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//
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UINT8 KeyId;
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//
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// Defines whether this key is a group key, pairwise key, PeerKey, or
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// Integrity Group.
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//
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EFI_SUPPLICANT_KEY_TYPE KeyType;
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//
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// The value is set according to the KeyType.
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//
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EFI_80211_MAC_ADDRESS Addr;
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//
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// The Receive Sequence Count value.
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//
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UINT8 Rsc[8];
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//
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// Length in bytes of the Rsc. Should be up to 8.
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//
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UINT8 RscLen;
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//
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// Indicates whether the key is configured by the Authenticator or
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// Supplicant. The value true indicates Authenticator.
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//
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BOOLEAN IsAuthenticator;
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//
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// The cipher suite required for this association.
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//
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EFI_80211_SUITE_SELECTOR CipherSuite;
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//
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// Indicates the direction for which the keys are to be installed.
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//
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EFI_SUPPLICANT_KEY_DIRECTION Direction;
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} EFI_SUPPLICANT_KEY;
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///
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/// EFI_SUPPLICANT_GTK_LIST
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///
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typedef struct {
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//
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// Indicates the number of GTKs that are contained in GTKList.
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//
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UINT8 GTKCount;
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//
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// A variable-length array of GTKs of type EFI_SUPPLICANT_KEY. The number of
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// entries is specified by GTKCount.
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//
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EFI_SUPPLICANT_KEY GTKList[1];
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} EFI_SUPPLICANT_GTK_LIST;
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///
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/// EFI_SUPPLICANT_FRAGMENT_DATA
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///
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typedef struct {
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//
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// Length of data buffer in the fragment.
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//
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UINT32 FragmentLength;
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//
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// Pointer to the data buffer in the fragment.
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//
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VOID *FragmentBuffer;
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} EFI_SUPPLICANT_FRAGMENT_DATA;
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/**
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BuildResponsePacket() is called during STA and AP authentication is in
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progress. Supplicant derives the PTK or session keys depend on type of
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authentication is being employed.
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@param[in] This Pointer to the EFI_SUPPLICANT_PROTOCOL
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instance.
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@param[in] RequestBuffer Pointer to the most recently received EAPOL
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packet. NULL means the supplicant need
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initiate the EAP authentication session and
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send EAPOL-Start message.
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@param[in] RequestBufferSize
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Packet size in bytes for the most recently
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received EAPOL packet. 0 is only valid when
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RequestBuffer is NULL.
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@param[out] Buffer Pointer to the buffer to hold the built
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packet.
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@param[in, out] BufferSize Pointer to the buffer size in bytes. On
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input, it is the buffer size provided by the
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caller. On output, it is the buffer size in
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fact needed to contain the packet.
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@retval EFI_SUCCESS The required EAPOL packet is built
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successfully.
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@retval EFI_INVALID_PARAMETER One or more of the following conditions is
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TRUE:
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RequestBuffer is NULL, but RequestSize is
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NOT 0.
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RequestBufferSize is 0.
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Buffer is NULL, but RequestBuffer is NOT 0.
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BufferSize is NULL.
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@retval EFI_BUFFER_TOO_SMALL BufferSize is too small to hold the response
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packet.
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@retval EFI_NOT_READY Current EAPOL session state is NOT ready to
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build ResponsePacket.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SUPPLICANT_BUILD_RESPONSE_PACKET) (
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IN EFI_SUPPLICANT_PROTOCOL *This,
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IN UINT8 *RequestBuffer, OPTIONAL
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IN UINTN RequestBufferSize, OPTIONAL
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OUT UINT8 *Buffer,
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IN OUT UINTN *BufferSize
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);
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/**
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ProcessPacket() is called to Supplicant driver to encrypt or decrypt the data
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depending type of authentication type.
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@param[in] This Pointer to the EFI_SUPPLICANT_PROTOCOL
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instance.
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@param[in, out] FragmentTable Pointer to a list of fragment. The caller
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will take responsible to handle the original
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FragmentTable while it may be reallocated in
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Supplicant driver.
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@param[in] FragmentCount Number of fragment.
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@param[in] CryptMode Crypt mode.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_INVALID_PARAMETER One or more of the following conditions is
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TRUE:
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FragmentTable is NULL.
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FragmentCount is NULL.
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CryptMode is invalid.
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@retval EFI_NOT_READY Current supplicant state is NOT Authenticated.
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@retval EFI_ABORTED Something wrong decryption the message.
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@retval EFI_UNSUPPORTED This API is not supported.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SUPPLICANT_PROCESS_PACKET) (
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IN EFI_SUPPLICANT_PROTOCOL *This,
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IN OUT EFI_SUPPLICANT_FRAGMENT_DATA **FragmentTable,
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IN UINT32 *FragmentCount,
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IN EFI_SUPPLICANT_CRYPT_MODE CryptMode
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);
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/**
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Set Supplicant configuration data.
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@param[in] This Pointer to the EFI_SUPPLICANT_PROTOCOL
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instance.
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@param[in] DataType The type of data.
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@param[in] Data Pointer to the buffer to hold the data.
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@param[in] DataSize Pointer to the buffer size in bytes.
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@retval EFI_SUCCESS The Supplicant configuration data is set
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successfully.
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@retval EFI_INVALID_PARAMETER One or more of the following conditions is
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TRUE:
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Data is NULL.
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DataSize is 0.
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@retval EFI_UNSUPPORTED The DataType is unsupported.
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@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SUPPLICANT_SET_DATA) (
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IN EFI_SUPPLICANT_PROTOCOL *This,
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IN EFI_SUPPLICANT_DATA_TYPE DataType,
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IN VOID *Data,
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IN UINTN DataSize
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);
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/**
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Get Supplicant configuration data.
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@param[in] This Pointer to the EFI_SUPPLICANT_PROTOCOL
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instance.
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@param[in] DataType The type of data.
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@param[out] Data Pointer to the buffer to hold the data.
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Ignored if DataSize is 0.
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@param[in, out] DataSize Pointer to the buffer size in bytes. On
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input, it is the buffer size provided by the
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caller. On output, it is the buffer size in
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fact needed to contain the packet.
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@retval EFI_SUCCESS The Supplicant configuration data is got
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successfully.
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@retval EFI_INVALID_PARAMETER One or more of the following conditions is
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TRUE:
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This is NULL.
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DataSize is NULL.
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Data is NULL if *DataSize is not zero.
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@retval EFI_UNSUPPORTED The DataType is unsupported.
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@retval EFI_NOT_FOUND The Supplicant configuration data is not
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found.
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@retval EFI_BUFFER_TOO_SMALL The size of Data is too small for the
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specified configuration data and the required
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size is returned in DataSize.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SUPPLICANT_GET_DATA) (
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IN EFI_SUPPLICANT_PROTOCOL *This,
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IN EFI_SUPPLICANT_DATA_TYPE DataType,
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OUT UINT8 *Data, OPTIONAL
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IN OUT UINTN *DataSize
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);
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///
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/// The EFI_SUPPLICANT_PROTOCOL is designed to provide unified place for WIFI
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/// and EAP security management. Both PSK authentication and 802.1X EAP
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/// authentication can be managed via this protocol and driver or application
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/// as a consumer can only focus on about packet transmitting or receiving.
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///
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struct _EFI_SUPPLICANT_PROTOCOL {
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EFI_SUPPLICANT_BUILD_RESPONSE_PACKET BuildResponsePacket;
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EFI_SUPPLICANT_PROCESS_PACKET ProcessPacket;
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EFI_SUPPLICANT_SET_DATA SetData;
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EFI_SUPPLICANT_GET_DATA GetData;
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};
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extern EFI_GUID gEfiSupplicantServiceBindingProtocolGuid;
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extern EFI_GUID gEfiSupplicantProtocolGuid;
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#endif
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