i386/linux/linux-2.3.21/include/net/irda/qos.h

   1 /*********************************************************************
   2  *
   3  * Filename:      qos.h
   4  * Version:       1.0
   5  * Description:   Quality of Service definitions
   6  * Status:        Experimental.
   7  * Author:        Dag Brattli <dagb@cs.uit.no>
   8  * Created at:    Fri Sep 19 23:21:09 1997
   9  * Modified at:   Mon Aug 16 10:00:18 1999
  10  * Modified by:   Dag Brattli <dagb@cs.uit.no>
  11  *
  12  *     Copyright (c) 1999 Dag Brattli, All Rights Reserved.
  13  *
  14  *     This program is free software; you can redistribute it and/or
  15  *     modify it under the terms of the GNU General Public License as
  16  *     published by the Free Software Foundation; either version 2 of
  17  *     the License, or (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., 59 Temple Place, Suite 330, Boston,
  27  *     MA 02111-1307 USA
  28  *
  29  ********************************************************************/
  30
  31 #ifndef IRDA_QOS_H
  32 #define IRDA_QOS_H
  33
  34 #include <linux/config.h>
  35 #include <linux/skbuff.h>
  36
  37 #include <net/irda/parameters.h>
  38
  39 #define PI_BAUD_RATE     0x01
  40 #define PI_MAX_TURN_TIME 0x82
  41 #define PI_DATA_SIZE     0x83
  42 #define PI_WINDOW_SIZE   0x84
  43 #define PI_ADD_BOFS      0x85
  44 #define PI_MIN_TURN_TIME 0x86
  45 #define PI_LINK_DISC     0x08
  46 #define PI_COMPRESSION   0x07 /* Just a random pick */
  47
  48
  49 #define IR_115200_MAX 0x3f
  50
  51 /* Baud rates (first byte) */
  52 #define IR_2400     0x01
  53 #define IR_9600     0x02
  54 #define IR_19200    0x04
  55 #define IR_38400    0x08
  56 #define IR_57600    0x10
  57 #define IR_115200   0x20
  58 #define IR_576000   0x40
  59 #define IR_1152000  0x80
  60
  61 /* Baud rates (second byte) */
  62 #define IR_4000000  0x01
  63 #define IR_16000000 0x02
  64
  65 /* Quality of Service information */
  66 typedef struct {
  67         __u32 value;
  68         __u16 bits; /* LSB is first byte, MSB is second byte */
  69 } qos_value_t;
  70
  71 struct qos_info {
  72         int  magic;
  73
  74         qos_value_t baud_rate;       /* IR_11520O | ... */
  75         qos_value_t max_turn_time;
  76         qos_value_t data_size;
  77         qos_value_t window_size;
  78         qos_value_t additional_bofs;
  79         qos_value_t min_turn_time;
  80         qos_value_t link_disc_time;
  81
  82         qos_value_t power;
  83 #ifdef CONFIG_IRDA_COMPRESSION
  84         /* An experimental non IrDA field */
  85         qos_value_t compression;
  86 #endif
  87 };
  88
  89 extern __u32 baud_rates[];
  90 extern __u32 data_size[];
  91 extern __u32 min_turn_time[];
  92 extern __u32 add_bofs[];
  93 extern __u32 compression[];
  94
  95 void irda_init_max_qos_capabilies(struct qos_info *qos);
  96 void irda_qos_compute_intersection(struct qos_info *, struct qos_info *);
  97
  98 int msb_index(__u16 byte);
  99 __u32 byte_value(__u8 byte, int *array);
 100 int value_index(__u32 value, int *array);
 101 __u32 index_value(int index, int *array);
 102
 103 void irda_qos_bits_to_value(struct qos_info *qos);
 104
 105 #endif
 106
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