| /* SPDX-License-Identifier: LGPL-2.1 */ | 
 | /* | 
 |  *   SPNEGO upcall management for CIFS | 
 |  * | 
 |  *   Copyright (c) 2007 Red Hat, Inc. | 
 |  *   Author(s): Jeff Layton (jlayton@redhat.com) | 
 |  *              Steve French (sfrench@us.ibm.com) | 
 |  * | 
 |  */ | 
 |  | 
 | #ifndef _CIFS_SPNEGO_H | 
 | #define _CIFS_SPNEGO_H | 
 |  | 
 | #define CIFS_SPNEGO_UPCALL_VERSION 2 | 
 |  | 
 | /* | 
 |  * The version field should always be set to CIFS_SPNEGO_UPCALL_VERSION. | 
 |  * The flags field is for future use. The request-key callout should set | 
 |  * sesskey_len and secblob_len, and then concatenate the SessKey+SecBlob | 
 |  * and stuff it in the data field. | 
 |  */ | 
 | struct cifs_spnego_msg { | 
 | 	uint32_t	version; | 
 | 	uint32_t	flags; | 
 | 	uint32_t	sesskey_len; | 
 | 	uint32_t	secblob_len; | 
 | 	uint8_t		data[1]; | 
 | }; | 
 |  | 
 | #ifdef __KERNEL__ | 
 | extern struct key_type cifs_spnego_key_type; | 
 | extern struct key *cifs_get_spnego_key(struct cifs_ses *sesInfo, | 
 | 				       struct TCP_Server_Info *server); | 
 | #endif /* KERNEL */ | 
 |  | 
 | #endif /* _CIFS_SPNEGO_H */ |