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/*

 *  smb.h

 *

 *  Copyright (C) 1995 by Paal-Kr. Engstad and Volker Lendecke

 *

 */

#ifndef _LINUX_SMB_H

#define _LINUX_SMB_H

#define SMB_PORT 139

#define SMB_MAXNAMELEN 255

#define SMB_MAXPATHLEN 1024

#define SMB_DEF_MAX_XMIT 32768

/* Allocate max. 1 page */

#define TRANS2_MAX_TRANSFER (4096-17)

#include <asm/types.h>

#ifdef __KERNEL__

typedef u8  byte;

typedef u16 word;

typedef u32 dword;

#else

typedef unsigned char byte;

typedef unsigned short word;

typedef unsigned long dword;

#endif

/* The following macros have been taken directly from Samba. Thanks,

   Andrew! */

#undef CAREFUL_ALIGNMENT

/* we know that the 386 can handle misalignment and has the "right"

   byteorder */

#if defined(__i386__)

#define CAREFUL_ALIGNMENT 0

#endif

#ifndef CAREFUL_ALIGNMENT

#define CAREFUL_ALIGNMENT 1

#endif

#define BVAL(buf,pos) (((u8 *)(buf))[pos])

#define PVAL(buf,pos) ((unsigned)BVAL(buf,pos))

#define BSET(buf,pos,val) (BVAL(buf,pos) = (val))

#if CAREFUL_ALIGNMENT

#define WVAL(buf,pos) (PVAL(buf,pos)|PVAL(buf,(pos)+1)<<8)

#define DVAL(buf,pos) (WVAL(buf,pos)|WVAL(buf,(pos)+2)<<16)

#define SSVALX(buf,pos,val) (BVAL(buf,pos)=(val)&0xFF,BVAL(buf,pos+1)=(val)>>8)

#define SIVALX(buf,pos,val) (SSVALX(buf,pos,val&0xFFFF),SSVALX(buf,pos+2,val>>16))

#define WSET(buf,pos,val) { word __val = (val); \

        SSVALX((buf),(pos),((word)(__val))); }

#define DSET(buf,pos,val) { dword __val = (val); \

        SIVALX((buf),(pos),((dword)(__val))); }

#else

/* this handles things for architectures like the 386 that can handle

   alignment errors */

/*

   WARNING: This section is dependent on the length of word and dword

   being correct

*/

#define WVAL(buf,pos) (*(word *)((char *)(buf) + (pos)))

#define DVAL(buf,pos) (*(dword *)((char *)(buf) + (pos)))

#define WSET(buf,pos,val) WVAL(buf,pos)=((word)(val))

#define DSET(buf,pos,val) DVAL(buf,pos)=((dword)(val))

#endif

/* where to find the base of the SMB packet proper */

#define smb_base(buf) ((byte *)(((byte *)(buf))+4))

#define LANMAN1

#define LANMAN2

#define NT1

enum smb_protocol {

        PROTOCOL_NONE,

        PROTOCOL_CORE,

        PROTOCOL_COREPLUS,

        PROTOCOL_LANMAN1,

        PROTOCOL_LANMAN2,

        PROTOCOL_NT1

};

enum smb_case_hndl {

        CASE_DEFAULT,

        CASE_LOWER,

        CASE_UPPER

};

#ifdef __KERNEL__

enum smb_conn_state {

        CONN_VALID,             /* everything's fine */

        CONN_INVALID,           /* Something went wrong, but did not

                                   try to reconnect yet. */

        CONN_RETRIED            /* Tried a reconnection, but was refused */

};

struct smb_dskattr {

        word total;

        word allocblocks;

        word blocksize;

        word free;

};

/*

 * Contains all relevant data on a SMB networked file.

 */

struct smb_dirent {

        unsigned long   f_ino;

        umode_t         f_mode;

        nlink_t         f_nlink;

        uid_t           f_uid;

        gid_t           f_gid;

        kdev_t          f_rdev;

        off_t           f_size;

        time_t          f_atime;

        time_t          f_mtime;

        time_t          f_ctime;

        unsigned long   f_blksize;

        unsigned long   f_blocks;

        int             opened; /* is it open on the fileserver? */

        word            fileid; /* What id to handle a file with? */

        word            attr;   /* Attribute fields, DOS value */

        unsigned short  access; /* Access bits. */

        unsigned long   f_pos;  /* File position. (For readdir.) */

        unsigned char   name[SMB_MAXNAMELEN+1];

        int             len;    /* namelength */

};

#endif  /* __KERNEL__ */

#endif  /* _LINUX_SMB_H */