/* SPDX-License-Identifier: LGPL-2.1 */
/*
 *
 *   Copyright (C) International Business Machines  Corp., 2002,2008
 *                 2018 Samsung Electronics Co., Ltd.
 *   Author(s): Steve French (sfrench@us.ibm.com)
 *              Jeremy Allison (jra@samba.org)
 *              Namjae Jeon (linkinjeon@kernel.org)
 *
 */
#ifndef _COMMON_SMB_GLOB_H
#define _COMMON_SMB_GLOB_H

struct smb_version_values {
        char            *version_string;
        __u16           protocol_id;
        __le16          lock_cmd;
        __u32           req_capabilities;
        __u32           max_read_size;
        __u32           max_write_size;
        __u32           max_trans_size;
        __u32           max_credits;
        __u32           large_lock_type;
        __u32           exclusive_lock_type;
        __u32           shared_lock_type;
        __u32           unlock_lock_type;
        size_t          header_size;
        size_t          max_header_size;
        size_t          read_rsp_size;
        unsigned int    cap_unix;
        unsigned int    cap_nt_find;
        unsigned int    cap_large_files;
        unsigned int    cap_unicode;
        __u16           signing_enabled;
        __u16           signing_required;
        size_t          create_lease_size;
        size_t          create_durable_size;
        size_t          create_durable_v2_size;
        size_t          create_mxac_size;
        size_t          create_disk_id_size;
        size_t          create_posix_size;
};

static inline unsigned int get_rfc1002_len(void *buf)
{
        return be32_to_cpu(*((__be32 *)buf)) & 0xffffff;
}

static inline void inc_rfc1001_len(void *buf, int count)
{
        be32_add_cpu((__be32 *)buf, count);
}

#define SMB1_VERSION_STRING     "1.0"
#define SMB20_VERSION_STRING    "2.0"
#define SMB21_VERSION_STRING    "2.1"
#define SMBDEFAULT_VERSION_STRING "default"
#define SMB3ANY_VERSION_STRING "3"
#define SMB30_VERSION_STRING    "3.0"
#define SMB302_VERSION_STRING   "3.02"
#define ALT_SMB302_VERSION_STRING "3.0.2"
#define SMB311_VERSION_STRING   "3.1.1"
#define ALT_SMB311_VERSION_STRING "3.11"

#define CIFS_DEFAULT_IOSIZE (1024 * 1024)

#define MAX_CIFS_SMALL_BUFFER_SIZE 448 /* big enough for most */

#endif  /* _COMMON_SMB_GLOB_H */