drivers/char/rio/qbuf.h

   1
   2 /****************************************************************************
   3  *******                                                              *******
   4  *******       Q U E U E    B U F F E R   S T R U C T U R E S
   5  *******                                                              *******
   6  ****************************************************************************
   7
   8  Author  : Ian Nandhra / Jeremy Rolls
   9  Date    :
  10
  11  *
  12  *  (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
  13  *
  14  *      This program is free software; you can redistribute it and/or modify
  15  *      it under the terms of the GNU General Public License as published by
  16  *      the Free Software Foundation; either version 2 of the License, or
  17  *      (at your option) any later version.
  18  *
  19  *      This program is distributed in the hope that it will be useful,
  20  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  *      GNU General Public License for more details.
  23  *
  24  *      You should have received a copy of the GNU General Public License
  25  *      along with this program; if not, write to the Free Software
  26  *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  27
  28  Version : 0.01
  29
  30
  31                             Mods
  32  ----------------------------------------------------------------------------
  33   Date     By                Description
  34  ----------------------------------------------------------------------------
  35
  36  ***************************************************************************/
  37
  38 #ifndef _qbuf_h
  39 #define _qbuf_h 1
  40
  41 #ifndef lint
  42 #ifdef SCCS_LABELS
  43 static char *_rio_qbuf_h_sccs = "@(#)qbuf.h     1.1" ;
  44 #endif
  45 #endif
  46
  47
  48
  49 #ifdef HOST
  50 #define PKTS_PER_BUFFER    1
  51 #else
  52 #define PKTS_PER_BUFFER    (220 / PKT_LENGTH)
  53 #endif
  54
  55 typedef struct Q_BUF Q_BUF ;
  56 struct Q_BUF  {
  57                   Q_BUF_ptr next ;
  58                   Q_BUF_ptr prev ;
  59                   PKT_ptr buf[PKTS_PER_BUFFER] ;
  60               } ;
  61
  62
  63 #endif
  64
  65
  66 /*********** end of file ***********/
  67