240 lines
6.1 KiB
C
240 lines
6.1 KiB
C
|
/*
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
* Copyright (C) 1996 Mike Shaver (shaver@zeroknowledge.com)
|
||
|
|
*/
|
||
|
|
#include <linux/mm.h>
|
||
|
|
#include <linux/sysctl.h>
|
||
|
|
#include <linux/spinlock.h>
|
||
|
|
#include <net/ax25.h>
|
||
|
|
|
||
|
|
static int min_ipdefmode[1], max_ipdefmode[] = {1};
|
||
|
|
static int min_axdefmode[1], max_axdefmode[] = {1};
|
||
|
|
static int min_backoff[1], max_backoff[] = {2};
|
||
|
|
static int min_conmode[1], max_conmode[] = {2};
|
||
|
|
static int min_window[] = {1}, max_window[] = {7};
|
||
|
|
static int min_ewindow[] = {1}, max_ewindow[] = {63};
|
||
|
|
static int min_t1[] = {1}, max_t1[] = {30000};
|
||
|
|
static int min_t2[] = {1}, max_t2[] = {20000};
|
||
|
|
static int min_t3[1], max_t3[] = {3600000};
|
||
|
|
static int min_idle[1], max_idle[] = {65535000};
|
||
|
|
static int min_n2[] = {1}, max_n2[] = {31};
|
||
|
|
static int min_paclen[] = {1}, max_paclen[] = {512};
|
||
|
|
static int min_proto[1], max_proto[] = { AX25_PROTO_MAX };
|
||
|
|
#ifdef CONFIG_AX25_DAMA_SLAVE
|
||
|
|
static int min_ds_timeout[1], max_ds_timeout[] = {65535000};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static struct ctl_table_header *ax25_table_header;
|
||
|
|
|
||
|
|
static ctl_table *ax25_table;
|
||
|
|
static int ax25_table_size;
|
||
|
|
|
||
|
|
static struct ctl_path ax25_path[] = {
|
||
|
|
{ .procname = "net", .ctl_name = CTL_NET, },
|
||
|
|
{ .procname = "ax25", .ctl_name = NET_AX25, },
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
|
||
|
|
static const ctl_table ax25_param_table[] = {
|
||
|
|
{
|
||
|
|
.ctl_name = NET_AX25_IP_DEFAULT_MODE,
|
||
|
|
.procname = "ip_default_mode",
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = proc_dointvec_minmax,
|
||
|
|
.strategy = sysctl_intvec,
|
||
|
|
.extra1 = &min_ipdefmode,
|
||
|
|
.extra2 = &max_ipdefmode
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_AX25_DEFAULT_MODE,
|
||
|
|
.procname = "ax25_default_mode",
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = proc_dointvec_minmax,
|
||
|
|
.strategy = sysctl_intvec,
|
||
|
|
.extra1 = &min_axdefmode,
|
||
|
|
.extra2 = &max_axdefmode
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_AX25_BACKOFF_TYPE,
|
||
|
|
.procname = "backoff_type",
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = proc_dointvec_minmax,
|
||
|
|
.strategy = sysctl_intvec,
|
||
|
|
.extra1 = &min_backoff,
|
||
|
|
.extra2 = &max_backoff
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_AX25_CONNECT_MODE,
|
||
|
|
.procname = "connect_mode",
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = proc_dointvec_minmax,
|
||
|
|
.strategy = sysctl_intvec,
|
||
|
|
.extra1 = &min_conmode,
|
||
|
|
.extra2 = &max_conmode
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_AX25_STANDARD_WINDOW,
|
||
|
|
.procname = "standard_window_size",
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = proc_dointvec_minmax,
|
||
|
|
.strategy = sysctl_intvec,
|
||
|
|
.extra1 = &min_window,
|
||
|
|
.extra2 = &max_window
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_AX25_EXTENDED_WINDOW,
|
||
|
|
.procname = "extended_window_size",
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = proc_dointvec_minmax,
|
||
|
|
.strategy = sysctl_intvec,
|
||
|
|
.extra1 = &min_ewindow,
|
||
|
|
.extra2 = &max_ewindow
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_AX25_T1_TIMEOUT,
|
||
|
|
.procname = "t1_timeout",
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = proc_dointvec_minmax,
|
||
|
|
.strategy = sysctl_intvec,
|
||
|
|
.extra1 = &min_t1,
|
||
|
|
.extra2 = &max_t1
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_AX25_T2_TIMEOUT,
|
||
|
|
.procname = "t2_timeout",
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = proc_dointvec_minmax,
|
||
|
|
.strategy = sysctl_intvec,
|
||
|
|
.extra1 = &min_t2,
|
||
|
|
.extra2 = &max_t2
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_AX25_T3_TIMEOUT,
|
||
|
|
.procname = "t3_timeout",
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = proc_dointvec_minmax,
|
||
|
|
.strategy = sysctl_intvec,
|
||
|
|
.extra1 = &min_t3,
|
||
|
|
.extra2 = &max_t3
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_AX25_IDLE_TIMEOUT,
|
||
|
|
.procname = "idle_timeout",
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = proc_dointvec_minmax,
|
||
|
|
.strategy = sysctl_intvec,
|
||
|
|
.extra1 = &min_idle,
|
||
|
|
.extra2 = &max_idle
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_AX25_N2,
|
||
|
|
.procname = "maximum_retry_count",
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = proc_dointvec_minmax,
|
||
|
|
.strategy = sysctl_intvec,
|
||
|
|
.extra1 = &min_n2,
|
||
|
|
.extra2 = &max_n2
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_AX25_PACLEN,
|
||
|
|
.procname = "maximum_packet_length",
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = proc_dointvec_minmax,
|
||
|
|
.strategy = sysctl_intvec,
|
||
|
|
.extra1 = &min_paclen,
|
||
|
|
.extra2 = &max_paclen
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.ctl_name = NET_AX25_PROTOCOL,
|
||
|
|
.procname = "protocol",
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = proc_dointvec_minmax,
|
||
|
|
.strategy = sysctl_intvec,
|
||
|
|
.extra1 = &min_proto,
|
||
|
|
.extra2 = &max_proto
|
||
|
|
},
|
||
|
|
#ifdef CONFIG_AX25_DAMA_SLAVE
|
||
|
|
{
|
||
|
|
.ctl_name = NET_AX25_DAMA_SLAVE_TIMEOUT,
|
||
|
|
.procname = "dama_slave_timeout",
|
||
|
|
.maxlen = sizeof(int),
|
||
|
|
.mode = 0644,
|
||
|
|
.proc_handler = proc_dointvec_minmax,
|
||
|
|
.strategy = sysctl_intvec,
|
||
|
|
.extra1 = &min_ds_timeout,
|
||
|
|
.extra2 = &max_ds_timeout
|
||
|
|
},
|
||
|
|
#endif
|
||
|
|
|
||
|
|
{ .ctl_name = 0 } /* that's all, folks! */
|
||
|
|
};
|
||
|
|
|
||
|
|
void ax25_register_sysctl(void)
|
||
|
|
{
|
||
|
|
ax25_dev *ax25_dev;
|
||
|
|
int n, k;
|
||
|
|
|
||
|
|
spin_lock_bh(&ax25_dev_lock);
|
||
|
|
for (ax25_table_size = sizeof(ctl_table), ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next)
|
||
|
|
ax25_table_size += sizeof(ctl_table);
|
||
|
|
|
||
|
|
if ((ax25_table = kzalloc(ax25_table_size, GFP_ATOMIC)) == NULL) {
|
||
|
|
spin_unlock_bh(&ax25_dev_lock);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
for (n = 0, ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next) {
|
||
|
|
struct ctl_table *child = kmemdup(ax25_param_table,
|
||
|
|
sizeof(ax25_param_table),
|
||
|
|
GFP_ATOMIC);
|
||
|
|
if (!child) {
|
||
|
|
while (n--)
|
||
|
|
kfree(ax25_table[n].child);
|
||
|
|
kfree(ax25_table);
|
||
|
|
spin_unlock_bh(&ax25_dev_lock);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
ax25_table[n].child = ax25_dev->systable = child;
|
||
|
|
ax25_table[n].ctl_name = n + 1;
|
||
|
|
ax25_table[n].procname = ax25_dev->dev->name;
|
||
|
|
ax25_table[n].mode = 0555;
|
||
|
|
|
||
|
|
child[AX25_MAX_VALUES].ctl_name = 0; /* just in case... */
|
||
|
|
|
||
|
|
for (k = 0; k < AX25_MAX_VALUES; k++)
|
||
|
|
child[k].data = &ax25_dev->values[k];
|
||
|
|
|
||
|
|
n++;
|
||
|
|
}
|
||
|
|
spin_unlock_bh(&ax25_dev_lock);
|
||
|
|
|
||
|
|
ax25_table_header = register_sysctl_paths(ax25_path, ax25_table);
|
||
|
|
}
|
||
|
|
|
||
|
|
void ax25_unregister_sysctl(void)
|
||
|
|
{
|
||
|
|
ctl_table *p;
|
||
|
|
unregister_sysctl_table(ax25_table_header);
|
||
|
|
|
||
|
|
for (p = ax25_table; p->ctl_name; p++)
|
||
|
|
kfree(p->child);
|
||
|
|
kfree(ax25_table);
|
||
|
|
}
|