qos.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:3k
- /*********************************************************************
- *
- * 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/config.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;
- extern __u32 baud_rates[];
- extern __u32 data_sizes[];
- extern __u32 min_turn_times[];
- extern __u32 add_bofs[];
- extern __u32 compressions[];
- 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);
- __u32 irlap_requested_line_capacity(struct qos_info *qos);
- int msb_index(__u16 byte);
- 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