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Diffstat (limited to 'include/net/irda/qos.h')
-rw-r--r-- | include/net/irda/qos.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/include/net/irda/qos.h b/include/net/irda/qos.h new file mode 100644 index 000000000000..9ae3d6bc2423 --- /dev/null +++ b/include/net/irda/qos.h | |||
@@ -0,0 +1,104 @@ | |||
1 | /********************************************************************* | ||
2 | * | ||
3 | * Filename: qos.h | ||
4 | * Version: 1.0 | ||
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> | ||
11 | * | ||
12 | * Copyright (c) 1999 Dag Brattli, All Rights Reserved. | ||
13 | * | ||
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. | ||
18 | * | ||
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. | ||
23 | * | ||
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, | ||
27 | * MA 02111-1307 USA | ||
28 | * | ||
29 | ********************************************************************/ | ||
30 | |||
31 | #ifndef IRDA_QOS_H | ||
32 | #define IRDA_QOS_H | ||
33 | |||
34 | #include <linux/config.h> | ||
35 | #include <linux/skbuff.h> | ||
36 | |||
37 | #include <net/irda/parameters.h> | ||
38 | |||
39 | #define PI_BAUD_RATE 0x01 | ||
40 | #define PI_MAX_TURN_TIME 0x82 | ||
41 | #define PI_DATA_SIZE 0x83 | ||
42 | #define PI_WINDOW_SIZE 0x84 | ||
43 | #define PI_ADD_BOFS 0x85 | ||
44 | #define PI_MIN_TURN_TIME 0x86 | ||
45 | #define PI_LINK_DISC 0x08 | ||
46 | |||
47 | #define IR_115200_MAX 0x3f | ||
48 | |||
49 | /* Baud rates (first byte) */ | ||
50 | #define IR_2400 0x01 | ||
51 | #define IR_9600 0x02 | ||
52 | #define IR_19200 0x04 | ||
53 | #define IR_38400 0x08 | ||
54 | #define IR_57600 0x10 | ||
55 | #define IR_115200 0x20 | ||
56 | #define IR_576000 0x40 | ||
57 | #define IR_1152000 0x80 | ||
58 | |||
59 | /* Baud rates (second byte) */ | ||
60 | #define IR_4000000 0x01 | ||
61 | #define IR_16000000 0x02 | ||
62 | |||
63 | /* Quality of Service information */ | ||
64 | typedef struct { | ||
65 | __u32 value; | ||
66 | __u16 bits; /* LSB is first byte, MSB is second byte */ | ||
67 | } qos_value_t; | ||
68 | |||
69 | struct qos_info { | ||
70 | magic_t magic; | ||
71 | |||
72 | qos_value_t baud_rate; /* IR_11520O | ... */ | ||
73 | qos_value_t max_turn_time; | ||
74 | qos_value_t data_size; | ||
75 | qos_value_t window_size; | ||
76 | qos_value_t additional_bofs; | ||
77 | qos_value_t min_turn_time; | ||
78 | qos_value_t link_disc_time; | ||
79 | |||
80 | qos_value_t power; | ||
81 | }; | ||
82 | |||
83 | extern int sysctl_max_baud_rate; | ||
84 | extern int sysctl_max_inactive_time; | ||
85 | |||
86 | void irda_init_max_qos_capabilies(struct qos_info *qos); | ||
87 | void irda_qos_compute_intersection(struct qos_info *, struct qos_info *); | ||
88 | |||
89 | __u32 irlap_max_line_capacity(__u32 speed, __u32 max_turn_time); | ||
90 | |||
91 | void irda_qos_bits_to_value(struct qos_info *qos); | ||
92 | |||
93 | /* So simple, how could we not inline those two ? | ||
94 | * Note : one byte is 10 bits if you include start and stop bits | ||
95 | * Jean II */ | ||
96 | #define irlap_min_turn_time_in_bytes(speed, min_turn_time) ( \ | ||
97 | speed * min_turn_time / 10000000 \ | ||
98 | ) | ||
99 | #define irlap_xbofs_in_usec(speed, xbofs) ( \ | ||
100 | xbofs * 10000000 / speed \ | ||
101 | ) | ||
102 | |||
103 | #endif | ||
104 | |||