ipn/ipn_chrdev.h

   1 #ifndef _IPN_CHRDEV_H
   2 #define _IPN_CHRDEV_H
   3 /*
   4  * Inter process networking (virtual distributed ethernet) module
   5  * Char device support
   6  *
   7  * Copyright (C) 2009   Renzo Davoli (renzo@cs.unibo.it)
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  Due to this file being licensed under the GPL there is controversy over
  15  *  whether this permits you to write a module that #includes this file
  16  *  without placing your module under the GPL.  Please consult a lawyer for
  17  *  advice before doing this.
  18  *
  19  * WARNING: THIS CODE IS ALREADY EXPERIMENTAL
  20  *
  21  */
  22 #include "af_ipn.h"
  23
  24 /* register a chr device range for this ipn network */
  25 int ipn_register_chrdev(struct ipn_network *ipnn, struct chrdevreq *devr);
  26 /* unregister the chr device of this ipn network */
  27 int ipn_deregister_chrdev(struct ipn_network *ipnn);
  28 /* set/unset persistence */
  29 int ipn_chrdev_persistence(struct ipn_network *ipnn, int persistent);
  30 /* test persistence */
  31 int ipn_is_persistent_chrdev(struct ipn_network *ipnn);
  32 /* search which ipn network registered a chr device */
  33 struct ipn_network *ipn_find_chrdev(struct chrdevreq *devr);
  34
  35 #endif