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/*********************************************************************
*
* 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