projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | |
| a6227e26 | 25 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
| 1da177e4 LT |
26 | * |
| 27 | ********************************************************************/ | |
| 28 | ||
| 29 | #ifndef IRDA_QOS_H | |
| 30 | #define IRDA_QOS_H | |
| 31 | ||
| 1da177e4 LT |
32 | #include <linux/skbuff.h> |
| 33 | ||
| 34 | #include <net/irda/parameters.h> | |
| 35 | ||
| 36 | #define PI_BAUD_RATE 0x01 | |
| 37 | #define PI_MAX_TURN_TIME 0x82 | |
| 38 | #define PI_DATA_SIZE 0x83 | |
| 39 | #define PI_WINDOW_SIZE 0x84 | |
| 40 | #define PI_ADD_BOFS 0x85 | |
| 41 | #define PI_MIN_TURN_TIME 0x86 | |
| 42 | #define PI_LINK_DISC 0x08 | |
| 43 | ||
| 44 | #define IR_115200_MAX 0x3f | |
| 45 | ||
| 46 | /* Baud rates (first byte) */ | |
| 47 | #define IR_2400 0x01 | |
| 48 | #define IR_9600 0x02 | |
| 49 | #define IR_19200 0x04 | |
| 50 | #define IR_38400 0x08 | |
| 51 | #define IR_57600 0x10 | |
| 52 | #define IR_115200 0x20 | |
| 53 | #define IR_576000 0x40 | |
| 54 | #define IR_1152000 0x80 | |
| 55 | ||
| 56 | /* Baud rates (second byte) */ | |
| 57 | #define IR_4000000 0x01 | |
| 58 | #define IR_16000000 0x02 | |
| 59 | ||
| 60 | /* Quality of Service information */ | |
| 61 | typedef struct { | |
| 62 | __u32 value; | |
| 63 | __u16 bits; /* LSB is first byte, MSB is second byte */ | |
| 64 | } qos_value_t; | |
| 65 | ||
| 66 | struct qos_info { | |
| 67 | magic_t magic; | |
| 68 | ||
| 69 | qos_value_t baud_rate; /* IR_11520O | ... */ | |
| 70 | qos_value_t max_turn_time; | |
| 71 | qos_value_t data_size; | |
| 72 | qos_value_t window_size; | |
| 73 | qos_value_t additional_bofs; | |
| 74 | qos_value_t min_turn_time; | |
| 75 | qos_value_t link_disc_time; | |
| 76 | ||
| 77 | qos_value_t power; | |
| 78 | }; | |
| 79 | ||
| 80 | extern int sysctl_max_baud_rate; | |
| 81 | extern int sysctl_max_inactive_time; | |
| 82 | ||
| 83 | void irda_init_max_qos_capabilies(struct qos_info *qos); | |
| 84 | void irda_qos_compute_intersection(struct qos_info *, struct qos_info *); | |
| 85 | ||
| 86 | __u32 irlap_max_line_capacity(__u32 speed, __u32 max_turn_time); | |
| 87 | ||
| 88 | void irda_qos_bits_to_value(struct qos_info *qos); | |
| 89 | ||
| 90 | /* So simple, how could we not inline those two ? | |
| 91 | * Note : one byte is 10 bits if you include start and stop bits | |
| 92 | * Jean II */ | |
| 93 | #define irlap_min_turn_time_in_bytes(speed, min_turn_time) ( \ | |
| 94 | speed * min_turn_time / 10000000 \ | |
| 95 | ) | |
| 96 | #define irlap_xbofs_in_usec(speed, xbofs) ( \ | |
| 97 | xbofs * 10000000 / speed \ | |
| 98 | ) | |
| 99 | ||
| 100 | #endif | |
| 101 |