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101 lines
2.9 KiB
101 lines
2.9 KiB
/********************************************************************* |
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* |
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* Filename: qos.h |
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* Version: 1.0 |
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* Description: Quality of Service definitions |
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* Status: Experimental. |
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* Author: Dag Brattli <[email protected]> |
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* Created at: Fri Sep 19 23:21:09 1997 |
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* Modified at: Thu Dec 2 13:51:54 1999 |
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* Modified by: Dag Brattli <[email protected]> |
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* |
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* Copyright (c) 1999 Dag Brattli, All Rights Reserved. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, see <http://www.gnu.org/licenses/>. |
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* |
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********************************************************************/ |
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#ifndef IRDA_QOS_H |
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#define IRDA_QOS_H |
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#include <linux/skbuff.h> |
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#include <net/irda/parameters.h> |
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#define PI_BAUD_RATE 0x01 |
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#define PI_MAX_TURN_TIME 0x82 |
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#define PI_DATA_SIZE 0x83 |
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#define PI_WINDOW_SIZE 0x84 |
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#define PI_ADD_BOFS 0x85 |
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#define PI_MIN_TURN_TIME 0x86 |
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#define PI_LINK_DISC 0x08 |
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#define IR_115200_MAX 0x3f |
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/* Baud rates (first byte) */ |
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#define IR_2400 0x01 |
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#define IR_9600 0x02 |
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#define IR_19200 0x04 |
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#define IR_38400 0x08 |
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#define IR_57600 0x10 |
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#define IR_115200 0x20 |
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#define IR_576000 0x40 |
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#define IR_1152000 0x80 |
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/* Baud rates (second byte) */ |
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#define IR_4000000 0x01 |
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#define IR_16000000 0x02 |
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/* Quality of Service information */ |
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typedef struct { |
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__u32 value; |
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__u16 bits; /* LSB is first byte, MSB is second byte */ |
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} qos_value_t; |
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struct qos_info { |
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magic_t magic; |
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qos_value_t baud_rate; /* IR_11520O | ... */ |
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qos_value_t max_turn_time; |
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qos_value_t data_size; |
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qos_value_t window_size; |
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qos_value_t additional_bofs; |
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qos_value_t min_turn_time; |
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qos_value_t link_disc_time; |
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qos_value_t power; |
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}; |
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extern int sysctl_max_baud_rate; |
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extern int sysctl_max_inactive_time; |
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void irda_init_max_qos_capabilies(struct qos_info *qos); |
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void irda_qos_compute_intersection(struct qos_info *, struct qos_info *); |
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__u32 irlap_max_line_capacity(__u32 speed, __u32 max_turn_time); |
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void irda_qos_bits_to_value(struct qos_info *qos); |
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/* So simple, how could we not inline those two ? |
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* Note : one byte is 10 bits if you include start and stop bits |
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* Jean II */ |
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#define irlap_min_turn_time_in_bytes(speed, min_turn_time) ( \ |
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speed * min_turn_time / 10000000 \ |
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) |
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#define irlap_xbofs_in_usec(speed, xbofs) ( \ |
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xbofs * 10000000 / speed \ |
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) |
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#endif |
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