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/*********************************************************************
*
* 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 Tromsų admit liability nor
* provide warranty for any of this software. This material is
* provided "AS-IS" and at no charge.
*
********************************************************************/
#include <linux/config.h>
#include <linux/mm.h>
#include <linux/ctype.h>
#include <linux/sysctl.h>
#include <asm/segment.h>
#include <net/irda/irda.h>
#include <net/irda/irias_object.h>
#define NET_IRDA 412 /* Random number */
enum { DISCOVERY=1, DEVNAME, DEBUG, FAST_POLL, DISCOVERY_SLOTS,
DISCOVERY_TIMEOUT, SLOT_TIMEOUT, MAX_BAUD_RATE, MIN_TX_TURN_TIME,
MAX_NOREPLY_TIME, WARN_NOREPLY_TIME, LAP_KEEPALIVE_TIME };
extern int sysctl_discovery;
extern int sysctl_discovery_slots;
extern int sysctl_discovery_timeout;
extern int sysctl_slot_timeout; /* Candidate */
extern int sysctl_fast_poll_increase;
int sysctl_compression = 0;
extern char sysctl_devname[];
extern int sysctl_max_baud_rate;
extern int sysctl_min_tx_turn_time;
extern int sysctl_max_noreply_time;
extern int sysctl_warn_noreply_time;
extern int sysctl_lap_keepalive_time;
#ifdef CONFIG_IRDA_DEBUG
extern unsigned int irda_debug;
#endif
/* 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 = 0;
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(ctl_table *table, int write, struct file *filp,
void *buffer, size_t *lenp)
{
int ret;
ret = proc_dostring(table, write, filp, buffer, lenp);
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;
}
/* One file */
static ctl_table irda_table[] = {
{ DISCOVERY, "discovery", &sysctl_discovery,
sizeof(int), 0644, NULL, &proc_dointvec },
{ DEVNAME, "devname", sysctl_devname,
65, 0644, NULL, &do_devname, &sysctl_string},
#ifdef CONFIG_IRDA_DEBUG
{ DEBUG, "debug", &irda_debug,
sizeof(int), 0644, NULL, &proc_dointvec },
#endif
#ifdef CONFIG_IRDA_FAST_RR
{ FAST_POLL, "fast_poll_increase", &sysctl_fast_poll_increase,
sizeof(int), 0644, NULL, &proc_dointvec },
#endif
{ DISCOVERY_SLOTS, "discovery_slots", &sysctl_discovery_slots,
sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec,
NULL, &min_discovery_slots, &max_discovery_slots },
{ DISCOVERY_TIMEOUT, "discovery_timeout", &sysctl_discovery_timeout,
sizeof(int), 0644, NULL, &proc_dointvec },
{ SLOT_TIMEOUT, "slot_timeout", &sysctl_slot_timeout,
sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec,
NULL, &min_slot_timeout, &max_slot_timeout },
{ MAX_BAUD_RATE, "max_baud_rate", &sysctl_max_baud_rate,
sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec,
NULL, &min_max_baud_rate, &max_max_baud_rate },
{ MIN_TX_TURN_TIME, "min_tx_turn_time", &sysctl_min_tx_turn_time,
sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec,
NULL, &min_min_tx_turn_time, &max_min_tx_turn_time },
{ MAX_NOREPLY_TIME, "max_noreply_time", &sysctl_max_noreply_time,
sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec,
NULL, &min_max_noreply_time, &max_max_noreply_time },
{ WARN_NOREPLY_TIME, "warn_noreply_time", &sysctl_warn_noreply_time,
sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec,
NULL, &min_warn_noreply_time, &max_warn_noreply_time },
{ LAP_KEEPALIVE_TIME, "lap_keepalive_time", &sysctl_lap_keepalive_time,
sizeof(int), 0644, NULL, &proc_dointvec_minmax, &sysctl_intvec,
NULL, &min_lap_keepalive_time, &max_lap_keepalive_time },
{ 0 }
};
/* One directory */
static ctl_table irda_net_table[] = {
{ NET_IRDA, "irda", NULL, 0, 0555, irda_table },
{ 0 }
};
/* The parent directory */
static ctl_table irda_root_table[] = {
{ CTL_NET, "net", NULL, 0, 0555, irda_net_table },
{ 0 }
};
static struct ctl_table_header *irda_table_header;
/*
* Function irda_sysctl_register (void)
*
* Register our sysctl interface
*
*/
int irda_sysctl_register(void)
{
irda_table_header = register_sysctl_table(irda_root_table, 0);
if (!irda_table_header)
return -ENOMEM;
return 0;
}
/*
* Function irda_sysctl_unregister (void)
*
* Unregister our sysctl interface
*
*/
void irda_sysctl_unregister(void)
{
unregister_sysctl_table(irda_table_header);
}
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