Release 4.15 net/ax25/sysctl_net_ax25.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/slab.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 const struct ctl_table ax25_param_table[] = {
	{
		.procname	= "ip_default_mode",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &min_ipdefmode,
		.extra2		= &max_ipdefmode
	},
	{
		.procname	= "ax25_default_mode",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &min_axdefmode,
		.extra2		= &max_axdefmode
	},
	{
		.procname	= "backoff_type",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &min_backoff,
		.extra2		= &max_backoff
	},
	{
		.procname	= "connect_mode",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &min_conmode,
		.extra2		= &max_conmode
	},
	{
		.procname	= "standard_window_size",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &min_window,
		.extra2		= &max_window
	},
	{
		.procname	= "extended_window_size",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &min_ewindow,
		.extra2		= &max_ewindow
	},
	{
		.procname	= "t1_timeout",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &min_t1,
		.extra2		= &max_t1
	},
	{
		.procname	= "t2_timeout",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &min_t2,
		.extra2		= &max_t2
	},
	{
		.procname	= "t3_timeout",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &min_t3,
		.extra2		= &max_t3
	},
	{
		.procname	= "idle_timeout",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &min_idle,
		.extra2		= &max_idle
	},
	{
		.procname	= "maximum_retry_count",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &min_n2,
		.extra2		= &max_n2
	},
	{
		.procname	= "maximum_packet_length",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &min_paclen,
		.extra2		= &max_paclen
	},
	{
		.procname	= "protocol",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &min_proto,
		.extra2		= &max_proto
	},
#ifdef CONFIG_AX25_DAMA_SLAVE
	{
		.procname	= "dama_slave_timeout",
		.maxlen		= sizeof(int),
		.mode		= 0644,
		.proc_handler	= proc_dointvec_minmax,
		.extra1		= &min_ds_timeout,
		.extra2		= &max_ds_timeout
	},
#endif

	{ }	/* that's all, folks! */
};



int ax25_register_dev_sysctl(ax25_dev *ax25_dev)
{
	char path[sizeof("net/ax25/") + IFNAMSIZ];
	int k;
	struct ctl_table *table;

	table = kmemdup(ax25_param_table, sizeof(ax25_param_table), GFP_KERNEL);
	if (!table)
		return -ENOMEM;

	for (k = 0; k < AX25_MAX_VALUES; k++)
		table[k].data = &ax25_dev->values[k];

	snprintf(path, sizeof(path), "net/ax25/%s", ax25_dev->dev->name);
	ax25_dev->sysheader = register_net_sysctl(&init_net, path, table);
	if (!ax25_dev->sysheader) {
		kfree(table);
		return -ENOMEM;
	}
	return 0;
}

Contributors
Person
Tokens
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Commits
CommitProp
Eric W. Biedermann
71
53.79%
2
22.22%
Linus Torvalds (pre-git)
53
40.15%
4
44.44%
Arnaldo Carvalho de Melo
4
3.03%
1
11.11%
Ralf Bächle
3
2.27%
1
11.11%
Pavel Emelyanov
1
0.76%
1
11.11%
Total
132
100.00%
9
100.00%



void ax25_unregister_dev_sysctl(ax25_dev *ax25_dev)
{
	struct ctl_table_header *header = ax25_dev->sysheader;
	struct ctl_table *table;

	if (header) {
		ax25_dev->sysheader = NULL;
		table = header->ctl_table_arg;
		unregister_net_sysctl_table(header);
		kfree(table);
	}
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Eric W. Biedermann
33
64.71%
1
50.00%
Linus Torvalds (pre-git)
18
35.29%
1
50.00%
Total
51
100.00%
2
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Linus Torvalds (pre-git)
534
56.39%
7
31.82%
Art Haas
252
26.61%
1
4.55%
Eric W. Biedermann
105
11.09%
3
13.64%
Randy Dunlap
24
2.53%
1
4.55%
Ralf Bächle
18
1.90%
5
22.73%
Ingo Molnar
5
0.53%
1
4.55%
Arnaldo Carvalho de Melo
4
0.42%
1
4.55%
Tejun Heo
3
0.32%
1
4.55%
Joe Perches
1
0.11%
1
4.55%
Pavel Emelyanov
1
0.11%
1
4.55%
Total
947
100.00%
22
100.00%
Directory: net/ax25

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