[deliverable/linux.git] / net / llc / sysctl_net_llc.c

/*
 * sysctl_net_llc.c: sysctl interface to LLC net subsystem.
 *
 * Arnaldo Carvalho de Melo <acme@conectiva.com.br>
 */

#include <linux/mm.h>
#include <linux/init.h>
#include <linux/sysctl.h>
#include <net/net_namespace.h>
#include <net/llc.h>

#ifndef CONFIG_SYSCTL
#error This file should not be compiled without CONFIG_SYSCTL defined
#endif

static struct ctl_table llc2_timeout_table[] = {
	{
		.procname	= "ack",
		.data		= &sysctl_llc2_ack_timeout,
		.maxlen		= sizeof(sysctl_llc2_ack_timeout),
		.mode		= 0644,
		.proc_handler   = proc_dointvec_jiffies,
	},
	{
		.procname	= "busy",
		.data		= &sysctl_llc2_busy_timeout,
		.maxlen		= sizeof(sysctl_llc2_busy_timeout),
		.mode		= 0644,
		.proc_handler   = proc_dointvec_jiffies,
	},
	{
		.procname	= "p",
		.data		= &sysctl_llc2_p_timeout,
		.maxlen		= sizeof(sysctl_llc2_p_timeout),
		.mode		= 0644,
		.proc_handler   = proc_dointvec_jiffies,
	},
	{
		.procname	= "rej",
		.data		= &sysctl_llc2_rej_timeout,
		.maxlen		= sizeof(sysctl_llc2_rej_timeout),
		.mode		= 0644,
		.proc_handler   = proc_dointvec_jiffies,
	},
	{ },
};

static struct ctl_table llc_station_table[] = {
	{ },
};

static struct ctl_table_header *llc2_timeout_header;
static struct ctl_table_header *llc_station_header;

int __init llc_sysctl_init(void)
{
	llc2_timeout_header = register_net_sysctl(&init_net, "net/llc/llc2/timeout", llc2_timeout_table);
	llc_station_header = register_net_sysctl(&init_net, "net/llc/station", llc_station_table);

	if (!llc2_timeout_header || !llc_station_header) {
		llc_sysctl_exit();
		return -ENOMEM;
	}
	return 0;
}

void llc_sysctl_exit(void)
{
	if (llc2_timeout_header) {
		unregister_net_sysctl_table(llc2_timeout_header);
		llc2_timeout_header = NULL;
	}
	if (llc_station_header) {
		unregister_net_sysctl_table(llc_station_header);
		llc_station_header = NULL;
	}
}
Commit	Line	Data
	1	/*
	2	* sysctl_net_llc.c: sysctl interface to LLC net subsystem.
	3	*
	4	* Arnaldo Carvalho de Melo <acme@conectiva.com.br>
	5	*/
	6
	7	#include <linux/mm.h>
	8	#include <linux/init.h>
	9	#include <linux/sysctl.h>
	10	#include <net/net_namespace.h>
	11	#include <net/llc.h>
	12
	13	#ifndef CONFIG_SYSCTL
	14	#error This file should not be compiled without CONFIG_SYSCTL defined
	15	#endif
	16
	17	static struct ctl_table llc2_timeout_table[] = {
	18	{
	19	.procname = "ack",
	20	.data = &sysctl_llc2_ack_timeout,
	21	.maxlen = sizeof(sysctl_llc2_ack_timeout),
	22	.mode = 0644,
	23	.proc_handler = proc_dointvec_jiffies,
	24	},
	25	{
	26	.procname = "busy",
	27	.data = &sysctl_llc2_busy_timeout,
	28	.maxlen = sizeof(sysctl_llc2_busy_timeout),
	29	.mode = 0644,
	30	.proc_handler = proc_dointvec_jiffies,
	31	},
	32	{
	33	.procname = "p",
	34	.data = &sysctl_llc2_p_timeout,
	35	.maxlen = sizeof(sysctl_llc2_p_timeout),
	36	.mode = 0644,
	37	.proc_handler = proc_dointvec_jiffies,
	38	},
	39	{
	40	.procname = "rej",
	41	.data = &sysctl_llc2_rej_timeout,
	42	.maxlen = sizeof(sysctl_llc2_rej_timeout),
	43	.mode = 0644,
	44	.proc_handler = proc_dointvec_jiffies,
	45	},
	46	{ },
	47	};
	48
	49	static struct ctl_table llc_station_table[] = {
	50	{ },
	51	};
	52
	53	static struct ctl_table_header *llc2_timeout_header;
	54	static struct ctl_table_header *llc_station_header;
	55
	56	int __init llc_sysctl_init(void)
	57	{
	58	llc2_timeout_header = register_net_sysctl(&init_net, "net/llc/llc2/timeout", llc2_timeout_table);
	59	llc_station_header = register_net_sysctl(&init_net, "net/llc/station", llc_station_table);
	60
	61	if (!llc2_timeout_header \|\| !llc_station_header) {
	62	llc_sysctl_exit();
	63	return -ENOMEM;
	64	}
	65	return 0;
	66	}
	67
	68	void llc_sysctl_exit(void)
	69	{
	70	if (llc2_timeout_header) {
	71	unregister_net_sysctl_table(llc2_timeout_header);
	72	llc2_timeout_header = NULL;
	73	}
	74	if (llc_station_header) {
	75	unregister_net_sysctl_table(llc_station_header);
	76	llc_station_header = NULL;
	77	}
	78	}