268 lines
7.1 KiB
C
268 lines
7.1 KiB
C
/*********************************************************************
|
|
*
|
|
* Filename: irsysctl.c
|
|
* Version: 1.0
|
|
* Description: Sysctl interface for IrDA
|
|
* Status: Experimental.
|
|
* Author: Dag Brattli <dagb@cs.uit.no>
|
|
* Created at: Sun May 24 22:12:06 1998
|
|
* Modified at: Fri Jun 4 02:50:15 1999
|
|
* Modified by: Dag Brattli <dagb@cs.uit.no>
|
|
*
|
|
* Copyright (c) 1997, 1999 Dag Brattli, All Rights Reserved.
|
|
* Copyright (c) 2000-2001 Jean Tourrilhes <jt@hpl.hp.com>
|
|
*
|
|
* 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.
|
|
*
|
|
* Neither Dag Brattli nor University of Tromsø admit liability nor
|
|
* provide warranty for any of this software. This material is
|
|
* provided "AS-IS" and at no charge.
|
|
*
|
|
********************************************************************/
|
|
|
|
#include <linux/mm.h>
|
|
#include <linux/ctype.h>
|
|
#include <linux/sysctl.h>
|
|
#include <linux/init.h>
|
|
|
|
#include <net/irda/irda.h> /* irda_debug */
|
|
#include <net/irda/irlmp.h>
|
|
#include <net/irda/timer.h>
|
|
#include <net/irda/irias_object.h>
|
|
|
|
extern int sysctl_discovery;
|
|
extern int sysctl_discovery_slots;
|
|
extern int sysctl_discovery_timeout;
|
|
extern int sysctl_slot_timeout;
|
|
extern int sysctl_fast_poll_increase;
|
|
extern char sysctl_devname[];
|
|
extern int sysctl_max_baud_rate;
|
|
extern unsigned int sysctl_min_tx_turn_time;
|
|
extern unsigned int sysctl_max_tx_data_size;
|
|
extern unsigned int sysctl_max_tx_window;
|
|
extern int sysctl_max_noreply_time;
|
|
extern int sysctl_warn_noreply_time;
|
|
extern int sysctl_lap_keepalive_time;
|
|
|
|
extern struct irlmp_cb *irlmp;
|
|
|
|
/* this is needed for the proc_dointvec_minmax - Jean II */
|
|
static int max_discovery_slots = 16; /* ??? */
|
|
static int min_discovery_slots = 1;
|
|
/* IrLAP 6.13.2 says 25ms to 10+70ms - allow higher since some devices
|
|
* seems to require it. (from Dag's comment) */
|
|
static int max_slot_timeout = 160;
|
|
static int min_slot_timeout = 20;
|
|
static int max_max_baud_rate = 16000000; /* See qos.c - IrLAP spec */
|
|
static int min_max_baud_rate = 2400;
|
|
static int max_min_tx_turn_time = 10000; /* See qos.c - IrLAP spec */
|
|
static int min_min_tx_turn_time;
|
|
static int max_max_tx_data_size = 2048; /* See qos.c - IrLAP spec */
|
|
static int min_max_tx_data_size = 64;
|
|
static int max_max_tx_window = 7; /* See qos.c - IrLAP spec */
|
|
static int min_max_tx_window = 1;
|
|
static int max_max_noreply_time = 40; /* See qos.c - IrLAP spec */
|
|
static int min_max_noreply_time = 3;
|
|
static int max_warn_noreply_time = 3; /* 3s == standard */
|
|
static int min_warn_noreply_time = 1; /* 1s == min WD_TIMER */
|
|
static int max_lap_keepalive_time = 10000; /* 10s */
|
|
static int min_lap_keepalive_time = 100; /* 100us */
|
|
/* For other sysctl, I've no idea of the range. Maybe Dag could help
|
|
* us on that - Jean II */
|
|
|
|
static int do_devname(struct ctl_table *table, int write,
|
|
void __user *buffer, size_t *lenp, loff_t *ppos)
|
|
{
|
|
int ret;
|
|
|
|
ret = proc_dostring(table, write, buffer, lenp, ppos);
|
|
if (ret == 0 && write) {
|
|
struct ias_value *val;
|
|
|
|
val = irias_new_string_value(sysctl_devname);
|
|
if (val)
|
|
irias_object_change_attribute("Device", "DeviceName", val);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int do_discovery(struct ctl_table *table, int write,
|
|
void __user *buffer, size_t *lenp, loff_t *ppos)
|
|
{
|
|
int ret;
|
|
|
|
ret = proc_dointvec(table, write, buffer, lenp, ppos);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (irlmp == NULL)
|
|
return -ENODEV;
|
|
|
|
if (sysctl_discovery)
|
|
irlmp_start_discovery_timer(irlmp, sysctl_discovery_timeout*HZ);
|
|
else
|
|
del_timer_sync(&irlmp->discovery_timer);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* One file */
|
|
static struct ctl_table irda_table[] = {
|
|
{
|
|
.procname = "discovery",
|
|
.data = &sysctl_discovery,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = do_discovery,
|
|
},
|
|
{
|
|
.procname = "devname",
|
|
.data = sysctl_devname,
|
|
.maxlen = 65,
|
|
.mode = 0644,
|
|
.proc_handler = do_devname,
|
|
},
|
|
#ifdef CONFIG_IRDA_DEBUG
|
|
{
|
|
.procname = "debug",
|
|
.data = &irda_debug,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec
|
|
},
|
|
#endif
|
|
#ifdef CONFIG_IRDA_FAST_RR
|
|
{
|
|
.procname = "fast_poll_increase",
|
|
.data = &sysctl_fast_poll_increase,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec
|
|
},
|
|
#endif
|
|
{
|
|
.procname = "discovery_slots",
|
|
.data = &sysctl_discovery_slots,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &min_discovery_slots,
|
|
.extra2 = &max_discovery_slots
|
|
},
|
|
{
|
|
.procname = "discovery_timeout",
|
|
.data = &sysctl_discovery_timeout,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec
|
|
},
|
|
{
|
|
.procname = "slot_timeout",
|
|
.data = &sysctl_slot_timeout,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &min_slot_timeout,
|
|
.extra2 = &max_slot_timeout
|
|
},
|
|
{
|
|
.procname = "max_baud_rate",
|
|
.data = &sysctl_max_baud_rate,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &min_max_baud_rate,
|
|
.extra2 = &max_max_baud_rate
|
|
},
|
|
{
|
|
.procname = "min_tx_turn_time",
|
|
.data = &sysctl_min_tx_turn_time,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &min_min_tx_turn_time,
|
|
.extra2 = &max_min_tx_turn_time
|
|
},
|
|
{
|
|
.procname = "max_tx_data_size",
|
|
.data = &sysctl_max_tx_data_size,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &min_max_tx_data_size,
|
|
.extra2 = &max_max_tx_data_size
|
|
},
|
|
{
|
|
.procname = "max_tx_window",
|
|
.data = &sysctl_max_tx_window,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &min_max_tx_window,
|
|
.extra2 = &max_max_tx_window
|
|
},
|
|
{
|
|
.procname = "max_noreply_time",
|
|
.data = &sysctl_max_noreply_time,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &min_max_noreply_time,
|
|
.extra2 = &max_max_noreply_time
|
|
},
|
|
{
|
|
.procname = "warn_noreply_time",
|
|
.data = &sysctl_warn_noreply_time,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &min_warn_noreply_time,
|
|
.extra2 = &max_warn_noreply_time
|
|
},
|
|
{
|
|
.procname = "lap_keepalive_time",
|
|
.data = &sysctl_lap_keepalive_time,
|
|
.maxlen = sizeof(int),
|
|
.mode = 0644,
|
|
.proc_handler = proc_dointvec_minmax,
|
|
.extra1 = &min_lap_keepalive_time,
|
|
.extra2 = &max_lap_keepalive_time
|
|
},
|
|
{ }
|
|
};
|
|
|
|
static struct ctl_table_header *irda_table_header;
|
|
|
|
/*
|
|
* Function irda_sysctl_register (void)
|
|
*
|
|
* Register our sysctl interface
|
|
*
|
|
*/
|
|
int __init irda_sysctl_register(void)
|
|
{
|
|
irda_table_header = register_net_sysctl(&init_net, "net/irda", irda_table);
|
|
if (!irda_table_header)
|
|
return -ENOMEM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Function irda_sysctl_unregister (void)
|
|
*
|
|
* Unregister our sysctl interface
|
|
*
|
|
*/
|
|
void irda_sysctl_unregister(void)
|
|
{
|
|
unregister_net_sysctl_table(irda_table_header);
|
|
}
|
|
|
|
|
|
|