CIFS: Add capability to send SMB2 negotiate message
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / fs / cifs / smb2proto.h
1 /*
2 * fs/cifs/smb2proto.h
3 *
4 * Copyright (c) International Business Machines Corp., 2002, 2011
5 * Etersoft, 2012
6 * Author(s): Steve French (sfrench@us.ibm.com)
7 * Pavel Shilovsky (pshilovsky@samba.org) 2012
8 *
9 * This library is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License as published
11 * by the Free Software Foundation; either version 2.1 of the License, or
12 * (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
17 * the GNU Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this library; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */
23 #ifndef _SMB2PROTO_H
24 #define _SMB2PROTO_H
25 #include <linux/nls.h>
26 #include <linux/key-type.h>
27
28 struct statfs;
29
30 /*
31 *****************************************************************
32 * All Prototypes
33 *****************************************************************
34 */
35 extern int map_smb2_to_linux_error(char *buf, bool log_err);
36 extern int smb2_check_message(char *buf, unsigned int length);
37 extern unsigned int smb2_calc_size(struct smb2_hdr *hdr);
38 extern char *smb2_get_data_area_len(int *off, int *len, struct smb2_hdr *hdr);
39
40 extern int smb2_check_receive(struct mid_q_entry *mid,
41 struct TCP_Server_Info *server, bool log_error);
42 extern int smb2_setup_request(struct cifs_ses *ses, struct kvec *iov,
43 unsigned int nvec, struct mid_q_entry **ret_mid);
44
45 /*
46 * SMB2 Worker functions - most of protocol specific implementation details
47 * are contained within these calls.
48 */
49 extern int SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses);
50
51 #endif /* _SMB2PROTO_H */