104 lines
3.0 KiB
C
104 lines
3.0 KiB
C
|
/*********************************************************************
|
||
|
|
*
|
||
|
|
* Filename: qos.h
|
||
|
|
* Version: 1.0
|
||
|
|
* Description: Quality of Service definitions
|
||
|
|
* Status: Experimental.
|
||
|
|
* Author: Dag Brattli <dagb@cs.uit.no>
|
||
|
|
* Created at: Fri Sep 19 23:21:09 1997
|
||
|
|
* Modified at: Thu Dec 2 13:51:54 1999
|
||
|
|
* Modified by: Dag Brattli <dagb@cs.uit.no>
|
||
|
|
*
|
||
|
|
* Copyright (c) 1999 Dag Brattli, All Rights Reserved.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public License as
|
||
|
|
* published by the Free Software Foundation; either version 2 of
|
||
|
|
* the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||
|
|
* MA 02111-1307 USA
|
||
|
|
*
|
||
|
|
********************************************************************/
|
||
|
|
|
||
|
|
#ifndef IRDA_QOS_H
|
||
|
|
#define IRDA_QOS_H
|
||
|
|
|
||
|
|
#include <linux/skbuff.h>
|
||
|
|
|
||
|
|
#include <net/irda/parameters.h>
|
||
|
|
|
||
|
|
#define PI_BAUD_RATE 0x01
|
||
|
|
#define PI_MAX_TURN_TIME 0x82
|
||
|
|
#define PI_DATA_SIZE 0x83
|
||
|
|
#define PI_WINDOW_SIZE 0x84
|
||
|
|
#define PI_ADD_BOFS 0x85
|
||
|
|
#define PI_MIN_TURN_TIME 0x86
|
||
|
|
#define PI_LINK_DISC 0x08
|
||
|
|
|
||
|
|
#define IR_115200_MAX 0x3f
|
||
|
|
|
||
|
|
/* Baud rates (first byte) */
|
||
|
|
#define IR_2400 0x01
|
||
|
|
#define IR_9600 0x02
|
||
|
|
#define IR_19200 0x04
|
||
|
|
#define IR_38400 0x08
|
||
|
|
#define IR_57600 0x10
|
||
|
|
#define IR_115200 0x20
|
||
|
|
#define IR_576000 0x40
|
||
|
|
#define IR_1152000 0x80
|
||
|
|
|
||
|
|
/* Baud rates (second byte) */
|
||
|
|
#define IR_4000000 0x01
|
||
|
|
#define IR_16000000 0x02
|
||
|
|
|
||
|
|
/* Quality of Service information */
|
||
|
|
typedef struct {
|
||
|
|
__u32 value;
|
||
|
|
__u16 bits; /* LSB is first byte, MSB is second byte */
|
||
|
|
} qos_value_t;
|
||
|
|
|
||
|
|
struct qos_info {
|
||
|
|
magic_t magic;
|
||
|
|
|
||
|
|
qos_value_t baud_rate; /* IR_11520O | ... */
|
||
|
|
qos_value_t max_turn_time;
|
||
|
|
qos_value_t data_size;
|
||
|
|
qos_value_t window_size;
|
||
|
|
qos_value_t additional_bofs;
|
||
|
|
qos_value_t min_turn_time;
|
||
|
|
qos_value_t link_disc_time;
|
||
|
|
|
||
|
|
qos_value_t power;
|
||
|
|
};
|
||
|
|
|
||
|
|
extern int sysctl_max_baud_rate;
|
||
|
|
extern int sysctl_max_inactive_time;
|
||
|
|
|
||
|
|
void irda_init_max_qos_capabilies(struct qos_info *qos);
|
||
|
|
void irda_qos_compute_intersection(struct qos_info *, struct qos_info *);
|
||
|
|
|
||
|
|
__u32 irlap_max_line_capacity(__u32 speed, __u32 max_turn_time);
|
||
|
|
|
||
|
|
void irda_qos_bits_to_value(struct qos_info *qos);
|
||
|
|
|
||
|
|
/* So simple, how could we not inline those two ?
|
||
|
|
* Note : one byte is 10 bits if you include start and stop bits
|
||
|
|
* Jean II */
|
||
|
|
#define irlap_min_turn_time_in_bytes(speed, min_turn_time) ( \
|
||
|
|
speed * min_turn_time / 10000000 \
|
||
|
|
)
|
||
|
|
#define irlap_xbofs_in_usec(speed, xbofs) ( \
|
||
|
|
xbofs * 10000000 / speed \
|
||
|
|
)
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|