diff --git a/net/ax25/sysctl_net_ax25.c b/net/ax25/sysctl_net_ax25.c
new file mode 100644
index 0000000..f67711f
--- /dev/null
+++ b/net/ax25/sysctl_net_ax25.c
@@ -0,0 +1,262 @@
+/*
+ * 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/config.h>
+#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[] = {30 * HZ};
+static int min_t2[] = {1},		max_t2[] = {20 * HZ};
+static int min_t3[1],   		max_t3[] = {3600 * HZ};
+static int min_idle[1],  		max_idle[] = {65535 * HZ};
+static int min_n2[] = {1},		max_n2[] = {31};
+static int min_paclen[] = {1},		max_paclen[] = {512};
+static int min_proto[1],		max_proto[] = {3};
+static int min_ds_timeout[1],   	max_ds_timeout[] = {65535 * HZ};
+
+static struct ctl_table_header *ax25_table_header;
+
+static ctl_table *ax25_table;
+static int ax25_table_size;
+
+static ctl_table ax25_dir_table[] = {
+	{
+		.ctl_name	= NET_AX25,
+		.procname	= "ax25",
+		.mode		= 0555,
+	},
+	{ .ctl_name = 0 }
+};
+
+static ctl_table ax25_root_table[] = {
+	{
+		.ctl_name	= CTL_NET,
+		.procname	= "net",
+		.mode		= 0555,
+		.child		= ax25_dir_table
+	},
+	{ .ctl_name = 0 }
+};
+
+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
+	},
+	{
+		.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
+	},
+	{ .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 = kmalloc(ax25_table_size, GFP_ATOMIC)) == NULL) {
+		spin_unlock_bh(&ax25_dev_lock);
+		return;
+	}
+
+	memset(ax25_table, 0x00, ax25_table_size);
+
+	for (n = 0, ax25_dev = ax25_dev_list; ax25_dev != NULL; ax25_dev = ax25_dev->next) {
+		ctl_table *child = kmalloc(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;
+		}
+		memcpy(child, ax25_param_table, sizeof(ax25_param_table));
+		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;
+
+#ifndef CONFIG_AX25_DAMA_SLAVE
+		/*
+		 * We do not wish to have a representation of this parameter
+		 * in /proc/sys/ when configured *not* to include the
+		 * AX.25 DAMA slave code, do we?
+		 */
+
+		child[AX25_VALUES_DS_TIMEOUT].procname = NULL;
+#endif
+
+		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_dir_table[0].child = ax25_table;
+
+	ax25_table_header = register_sysctl_table(ax25_root_table, 1);
+}
+
+void ax25_unregister_sysctl(void)
+{
+	ctl_table *p;
+	unregister_sysctl_table(ax25_table_header);
+
+	ax25_dir_table[0].child = NULL;
+	for (p = ax25_table; p->ctl_name; p++)
+		kfree(p->child);
+	kfree(ax25_table);
+}