1 /*********************************************************************
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: Thu Dec 2 13:51:54 1999
10 * Modified by: Dag Brattli <dagb@cs.uit.no>
12 * Copyright (c) 1999 Dag Brattli, All Rights Reserved.
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.
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.
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,
29 ********************************************************************/
34 #include <linux/skbuff.h>
36 #include <net/irda/parameters.h>
38 #define PI_BAUD_RATE 0x01
39 #define PI_MAX_TURN_TIME 0x82
40 #define PI_DATA_SIZE 0x83
41 #define PI_WINDOW_SIZE 0x84
42 #define PI_ADD_BOFS 0x85
43 #define PI_MIN_TURN_TIME 0x86
44 #define PI_LINK_DISC 0x08
46 #define IR_115200_MAX 0x3f
48 /* Baud rates (first byte) */
54 #define IR_115200 0x20
55 #define IR_576000 0x40
56 #define IR_1152000 0x80
58 /* Baud rates (second byte) */
59 #define IR_4000000 0x01
60 #define IR_16000000 0x02
62 /* Quality of Service information */
65 __u16 bits; /* LSB is first byte, MSB is second byte */
71 qos_value_t baud_rate; /* IR_11520O | ... */
72 qos_value_t max_turn_time;
73 qos_value_t data_size;
74 qos_value_t window_size;
75 qos_value_t additional_bofs;
76 qos_value_t min_turn_time;
77 qos_value_t link_disc_time;
82 extern int sysctl_max_baud_rate;
83 extern int sysctl_max_inactive_time;
85 void irda_init_max_qos_capabilies(struct qos_info *qos);
86 void irda_qos_compute_intersection(struct qos_info *, struct qos_info *);
88 __u32 irlap_max_line_capacity(__u32 speed, __u32 max_turn_time);
90 void irda_qos_bits_to_value(struct qos_info *qos);
92 /* So simple, how could we not inline those two ?
93 * Note : one byte is 10 bits if you include start and stop bits
95 #define irlap_min_turn_time_in_bytes(speed, min_turn_time) ( \
96 speed * min_turn_time / 10000000 \
98 #define irlap_xbofs_in_usec(speed, xbofs) ( \
99 xbofs * 10000000 / speed \