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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
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* along with this program ; if not , see < http : //www.gnu.org/licenses/>.
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*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
# 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
