root/include/linux/ncp_fs_sb.h

/* */

INCLUDED FROM

DEFINITIONS

1. ncp_conn_valid
2. ncp_invalidate_conn

   1 /*
   2  *  ncp_fs_sb.h
   3  *
   4  *  Copyright (C) 1995, 1996 by Volker Lendecke
   5  *
   6  */
   7 
   8 #ifndef _NCP_FS_SB
   9 #define _NCP_FS_SB
  10 
  11 #include <linux/ncp_mount.h>
  12 #include <linux/types.h>
  13 
  14 #ifdef __KERNEL__
  15 
  16 #define NCP_DEFAULT_BUFSIZE 1024
  17 
  18 struct ncp_server {
  19 
  20         struct ncp_mount_data m; /* Nearly all of the mount data is of
  21                                     interest for us later, so we store
  22                                     it completely. */
  23 
  24         struct file *ncp_filp;  /* File pointer to ncp socket */
  25         struct file *wdog_filp; /* File pointer to wdog socket */
  26         struct file *msg_filp;  /* File pointer to message socket */
  27         void *data_ready;       /* The wdog socket gets a new
  28                                    data_ready callback. We store the
  29                                    old one for checking purposes and
  30                                    to reset it on unmounting. */
  31 
  32         u8         sequence;
  33         u8         task;
  34         u16        connection;  /* Remote connection number */
  35 
  36         u8         completion;  /* Status message from server */
  37         u8         conn_status; /* Bit 4 = 1 ==> Server going down, no
  38                                    requests allowed anymore.
  39                                    Bit 0 = 1 ==> Server is down. */
  40 
  41         int        buffer_size; /* Negotiated bufsize */
  42 
  43         int        reply_size;  /* Size of last reply */
  44 
  45         int        packet_size;
  46         unsigned char *packet;  /* Here we prepare requests and
  47                                    receive replies */
  48 
  49         int        lock;        /* To prevent mismatch in protocols. */
  50         struct wait_queue *wait;
  51 
  52         int        current_size; /* for packet preparation */
  53         int        has_subfunction;
  54         int        ncp_reply_size;
  55 
  56         struct ncp_inode_info root;
  57         char       root_path;   /* '\0' */
  58 };
  59 
  60 static inline int
  61 ncp_conn_valid(struct ncp_server *server)
     /*  */
  62 {
  63         return ((server->conn_status & 0x11) == 0);
  64 }
  65 
  66 static inline void
  67 ncp_invalidate_conn(struct ncp_server *server)
     /*  */
  68 {
  69         server->conn_status |= 0x01;
  70 }
  71 
  72 #endif /* __KERNEL__ */
  73 
  74 #endif

/* */