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diff --git a/fs/cifs/ntlmssp.h b/fs/cifs/ntlmssp.h
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+/*
+ * fs/cifs/ntlmssp.h
+ *
+ * Copyright (c) International Business Machines Corp., 2002
+ * Author(s): Steve French (sfrench@us.ibm.com)
+ *
+ * This library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
+ * the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#pragma pack(1)
+
+#define NTLMSSP_SIGNATURE "NTLMSSP"
+/* Message Types */
+#define NtLmNegotiate cpu_to_le32(1)
+#define NtLmChallenge cpu_to_le32(2)
+#define NtLmAuthenticate cpu_to_le32(3)
+#define UnknownMessage cpu_to_le32(8)
+
+/* Negotiate Flags */
+#define NTLMSSP_NEGOTIATE_UNICODE 0x01 // Text strings are in unicode
+#define NTLMSSP_NEGOTIATE_OEM 0x02 // Text strings are in OEM
+#define NTLMSSP_REQUEST_TARGET 0x04 // Server return its auth realm
+#define NTLMSSP_NEGOTIATE_SIGN 0x0010 // Request signature capability
+#define NTLMSSP_NEGOTIATE_SEAL 0x0020 // Request confidentiality
+#define NTLMSSP_NEGOTIATE_DGRAM 0x0040
+#define NTLMSSP_NEGOTIATE_LM_KEY 0x0080 // Use LM session key for sign/seal
+#define NTLMSSP_NEGOTIATE_NTLM 0x0200 // NTLM authentication
+#define NTLMSSP_NEGOTIATE_DOMAIN_SUPPLIED 0x1000
+#define NTLMSSP_NEGOTIATE_WORKSTATION_SUPPLIED 0x2000
+#define NTLMSSP_NEGOTIATE_LOCAL_CALL 0x4000 // client/server on same machine
+#define NTLMSSP_NEGOTIATE_ALWAYS_SIGN 0x8000 // Sign for all security levels
+#define NTLMSSP_TARGET_TYPE_DOMAIN 0x10000
+#define NTLMSSP_TARGET_TYPE_SERVER 0x20000
+#define NTLMSSP_TARGET_TYPE_SHARE 0x40000
+#define NTLMSSP_NEGOTIATE_NTLMV2 0x80000
+#define NTLMSSP_REQUEST_INIT_RESP 0x100000
+#define NTLMSSP_REQUEST_ACCEPT_RESP 0x200000
+#define NTLMSSP_REQUEST_NOT_NT_KEY 0x400000
+#define NTLMSSP_NEGOTIATE_TARGET_INFO 0x800000
+#define NTLMSSP_NEGOTIATE_128 0x20000000
+#define NTLMSSP_NEGOTIATE_KEY_XCH 0x40000000
+#define NTLMSSP_NEGOTIATE_56 0x80000000
+
+/* Although typedefs are not commonly used for structure definitions */
+/* in the Linux kernel, in this particular case they are useful */
+/* to more closely match the standards document for NTLMSSP from */
+/* OpenGroup and to make the code more closely match the standard in */
+/* appearance */
+
+typedef struct _SECURITY_BUFFER {
+ __le16 Length;
+ __le16 MaximumLength;
+ __le32 Buffer; /* offset to buffer */
+} SECURITY_BUFFER;
+
+typedef struct _NEGOTIATE_MESSAGE {
+ __u8 Signature[sizeof (NTLMSSP_SIGNATURE)];
+ __le32 MessageType; /* 1 */
+ __le32 NegotiateFlags;
+ SECURITY_BUFFER DomainName; /* RFC 1001 style and ASCII */
+ SECURITY_BUFFER WorkstationName; /* RFC 1001 and ASCII */
+ char DomainString[0];
+ /* followed by WorkstationString */
+} NEGOTIATE_MESSAGE, *PNEGOTIATE_MESSAGE;
+
+typedef struct _CHALLENGE_MESSAGE {
+ __u8 Signature[sizeof (NTLMSSP_SIGNATURE)];
+ __le32 MessageType; /* 2 */
+ SECURITY_BUFFER TargetName;
+ __le32 NegotiateFlags;
+ __u8 Challenge[CIFS_CRYPTO_KEY_SIZE];
+ __u8 Reserved[8];
+ SECURITY_BUFFER TargetInfoArray;
+} CHALLENGE_MESSAGE, *PCHALLENGE_MESSAGE;
+
+typedef struct _AUTHENTICATE_MESSAGE {
+ __u8 Signature[sizeof (NTLMSSP_SIGNATURE)];
+ __le32 MessageType; /* 3 */
+ SECURITY_BUFFER LmChallengeResponse;
+ SECURITY_BUFFER NtChallengeResponse;
+ SECURITY_BUFFER DomainName;
+ SECURITY_BUFFER UserName;
+ SECURITY_BUFFER WorkstationName;
+ SECURITY_BUFFER SessionKey;
+ __le32 NegotiateFlags;
+ char UserString[0];
+} AUTHENTICATE_MESSAGE, *PAUTHENTICATE_MESSAGE;
+
+#pragma pack() /* resume default structure packing */