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/*
 *  ncp_fs_sb.h
 *
 *  Copyright (C) 1995, 1996 by Volker Lendecke
 *
 */
 
#ifndef _NCP_FS_SB
#define _NCP_FS_SB
 
#include <linux/ncp_mount.h>
#include <linux/types.h>
 
#ifdef __KERNEL__
 
#define NCP_DEFAULT_BUFSIZE 1024
#define NCP_DEFAULT_OPTIONS 0		/* 2 for packet signatures */
 
struct ncp_server {
 
	struct ncp_mount_data m; /* Nearly all of the mount data is of
				    interest for us later, so we store
				    it completely. */
 
	__u8 name_space[NCP_NUMBER_OF_VOLUMES];
 
	struct file *ncp_filp;	/* File pointer to ncp socket */
	struct file *wdog_filp;	/* File pointer to wdog socket */
	struct file *msg_filp;	/* File pointer to message socket */
	void *data_ready;	/* The wdog socket gets a new
				   data_ready callback. We store the
				   old one for checking purposes and
				   to reset it on unmounting. */
 
	u8         sequence;
	u8         task;
	u16        connection;	/* Remote connection number */
 
	u8         completion;	/* Status message from server */
	u8         conn_status;	/* Bit 4 = 1 ==> Server going down, no
				   requests allowed anymore.
				   Bit 0 = 1 ==> Server is down. */
 
	int        buffer_size;	/* Negotiated bufsize */
 
	int        reply_size;	/* Size of last reply */
 
	int        packet_size;
	unsigned char *packet;	/* Here we prepare requests and
				   receive replies */
 
	int        lock;	/* To prevent mismatch in protocols. */
	struct wait_queue *wait;
 
	int        current_size; /* for packet preparation */
	int        has_subfunction;
	int        ncp_reply_size;
 
        struct ncp_inode_info root;
	char       root_path;	/* '\0' */
 
/* info for packet signing */
	int sign_wanted;        /* 1=Server needs signed packets */
	int sign_active;        /* 0=don't do signing, 1=do */
	char sign_root[8];	/* generated from password and encr. key */
	char sign_last[16];	
};
 
static inline int
ncp_conn_valid(struct ncp_server *server)
{
	return ((server->conn_status & 0x11) == 0);
}
 
static inline void
ncp_invalidate_conn(struct ncp_server *server)
{
	server->conn_status |= 0x01;
}
 
#endif /* __KERNEL__ */
 
#endif