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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 | /********************************************************************* * * 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 PI_COMPRESSION 0x07 /* Just a random pick */ #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; #ifdef CONFIG_IRDA_COMPRESSION /* An experimental non IrDA field */ qos_value_t compression; #endif }; 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 |