[deliverable/linux.git] / net / decnet / sysctl_net_decnet.c

/*
 * DECnet       An implementation of the DECnet protocol suite for the LINUX
 *              operating system.  DECnet is implemented using the  BSD Socket
 *              interface as the means of communication with the user level.
 *
 *              DECnet sysctl support functions
 *
 * Author:      Steve Whitehouse <SteveW@ACM.org>
 *
 *
 * Changes:
 * Steve Whitehouse - C99 changes and default device handling
 * Steve Whitehouse - Memory buffer settings, like the tcp ones
 *
 */
#include <linux/mm.h>
#include <linux/sysctl.h>
#include <linux/fs.h>
#include <linux/netdevice.h>
#include <linux/string.h>
#include <net/neighbour.h>
#include <net/dst.h>
#include <net/flow.h>

#include <asm/uaccess.h>

#include <net/dn.h>
#include <net/dn_dev.h>
#include <net/dn_route.h>


int decnet_debug_level;
int decnet_time_wait = 30;
int decnet_dn_count = 1;
int decnet_di_count = 3;
int decnet_dr_count = 3;
int decnet_log_martians = 1;
int decnet_no_fc_max_cwnd = NSP_MIN_WINDOW;

/* Reasonable defaults, I hope, based on tcp's defaults */
int sysctl_decnet_mem[3] = { 768 << 3, 1024 << 3, 1536 << 3 };
int sysctl_decnet_wmem[3] = { 4 * 1024, 16 * 1024, 128 * 1024 };
int sysctl_decnet_rmem[3] = { 4 * 1024, 87380, 87380 * 2 };

#ifdef CONFIG_SYSCTL
extern int decnet_dst_gc_interval;
static int min_decnet_time_wait[] = { 5 };
static int max_decnet_time_wait[] = { 600 };
static int min_state_count[] = { 1 };
static int max_state_count[] = { NSP_MAXRXTSHIFT };
static int min_decnet_dst_gc_interval[] = { 1 };
static int max_decnet_dst_gc_interval[] = { 60 };
static int min_decnet_no_fc_max_cwnd[] = { NSP_MIN_WINDOW };
static int max_decnet_no_fc_max_cwnd[] = { NSP_MAX_WINDOW };
static char node_name[7] = "???";

static struct ctl_table_header *dn_table_header = NULL;

/*
 * ctype.h :-)
 */
#define ISNUM(x) (((x) >= '0') && ((x) <= '9'))
#define ISLOWER(x) (((x) >= 'a') && ((x) <= 'z'))
#define ISUPPER(x) (((x) >= 'A') && ((x) <= 'Z'))
#define ISALPHA(x) (ISLOWER(x) || ISUPPER(x))
#define INVALID_END_CHAR(x) (ISNUM(x) || ISALPHA(x))

static void strip_it(char *str)
{
	for(;;) {
		switch(*str) {
			case ' ':
			case '\n':
			case '\r':
			case ':':
				*str = 0;
			case 0:
				return;
		}
		str++;
	}
}

/*
 * Simple routine to parse an ascii DECnet address
 * into a network order address.
 */
static int parse_addr(__le16 *addr, char *str)
{
	__u16 area, node;

	while(*str && !ISNUM(*str)) str++;

	if (*str == 0)
		return -1;

	area = (*str++ - '0');
	if (ISNUM(*str)) {
		area *= 10;
		area += (*str++ - '0');
	}

	if (*str++ != '.')
		return -1;

	if (!ISNUM(*str))
		return -1;

	node = *str++ - '0';
	if (ISNUM(*str)) {
		node *= 10;
		node += (*str++ - '0');
	}
	if (ISNUM(*str)) {
		node *= 10;
		node += (*str++ - '0');
	}
	if (ISNUM(*str)) {
		node *= 10;
		node += (*str++ - '0');
	}

	if ((node > 1023) || (area > 63))
		return -1;

	if (INVALID_END_CHAR(*str))
		return -1;

	*addr = cpu_to_le16((area << 10) | node);

	return 0;
}


static int dn_node_address_strategy(ctl_table *table,
				void __user *oldval, size_t __user *oldlenp,
				void __user *newval, size_t newlen)
{
	size_t len;
	__le16 addr;

	if (oldval && oldlenp) {
		if (get_user(len, oldlenp))
			return -EFAULT;
		if (len) {
			if (len != sizeof(unsigned short))
				return -EINVAL;
			if (put_user(decnet_address, (__le16 __user *)oldval))
				return -EFAULT;
		}
	}
	if (newval && newlen) {
		if (newlen != sizeof(unsigned short))
			return -EINVAL;
		if (get_user(addr, (__le16 __user *)newval))
			return -EFAULT;

		dn_dev_devices_off();

		decnet_address = addr;

		dn_dev_devices_on();
	}
	return 0;
}

static int dn_node_address_handler(ctl_table *table, int write,
				void __user *buffer,
				size_t *lenp, loff_t *ppos)
{
	char addr[DN_ASCBUF_LEN];
	size_t len;
	__le16 dnaddr;

	if (!*lenp || (*ppos && !write)) {
		*lenp = 0;
		return 0;
	}

	if (write) {
		len = (*lenp < DN_ASCBUF_LEN) ? *lenp : (DN_ASCBUF_LEN-1);

		if (copy_from_user(addr, buffer, len))
			return -EFAULT;

		addr[len] = 0;
		strip_it(addr);

		if (parse_addr(&dnaddr, addr))
			return -EINVAL;

		dn_dev_devices_off();

		decnet_address = dnaddr;

		dn_dev_devices_on();

		*ppos += len;

		return 0;
	}

	dn_addr2asc(le16_to_cpu(decnet_address), addr);
	len = strlen(addr);
	addr[len++] = '\n';

	if (len > *lenp) len = *lenp;

	if (copy_to_user(buffer, addr, len))
		return -EFAULT;

	*lenp = len;
	*ppos += len;

	return 0;
}


static int dn_def_dev_strategy(ctl_table *table,
				void __user *oldval, size_t __user *oldlenp,
				void __user *newval, size_t newlen)
{
	size_t len;
	struct net_device *dev;
	char devname[17];
	size_t namel;
	int rv = 0;

	devname[0] = 0;

	if (oldval && oldlenp) {
		if (get_user(len, oldlenp))
			return -EFAULT;
		if (len) {
			dev = dn_dev_get_default();
			if (dev) {
				strcpy(devname, dev->name);
				dev_put(dev);
			}

			namel = strlen(devname) + 1;
			if (len > namel) len = namel;

			if (copy_to_user(oldval, devname, len))
				return -EFAULT;

			if (put_user(len, oldlenp))
				return -EFAULT;
		}
	}

	if (newval && newlen) {
		if (newlen > 16)
			return -E2BIG;

		if (copy_from_user(devname, newval, newlen))
			return -EFAULT;

		devname[newlen] = 0;

		dev = dev_get_by_name(&init_net, devname);
		if (dev == NULL)
			return -ENODEV;

		rv = -ENODEV;
		if (dev->dn_ptr != NULL) {
			rv = dn_dev_set_default(dev, 1);
			if (rv)
				dev_put(dev);
		}
	}

	return rv;
}


static int dn_def_dev_handler(ctl_table *table, int write,
				void __user *buffer,
				size_t *lenp, loff_t *ppos)
{
	size_t len;
	struct net_device *dev;
	char devname[17];

	if (!*lenp || (*ppos && !write)) {
		*lenp = 0;
		return 0;
	}

	if (write) {
		if (*lenp > 16)
			return -E2BIG;

		if (copy_from_user(devname, buffer, *lenp))
			return -EFAULT;

		devname[*lenp] = 0;
		strip_it(devname);

		dev = dev_get_by_name(&init_net, devname);
		if (dev == NULL)
			return -ENODEV;

		if (dev->dn_ptr == NULL) {
			dev_put(dev);
			return -ENODEV;
		}

		if (dn_dev_set_default(dev, 1)) {
			dev_put(dev);
			return -ENODEV;
		}
		*ppos += *lenp;

		return 0;
	}

	dev = dn_dev_get_default();
	if (dev == NULL) {
		*lenp = 0;
		return 0;
	}

	strcpy(devname, dev->name);
	dev_put(dev);
	len = strlen(devname);
	devname[len++] = '\n';

	if (len > *lenp) len = *lenp;

	if (copy_to_user(buffer, devname, len))
		return -EFAULT;

	*lenp = len;
	*ppos += len;

	return 0;
}

static ctl_table dn_table[] = {
	{
		.ctl_name = NET_DECNET_NODE_ADDRESS,
		.procname = "node_address",
		.maxlen = 7,
		.mode = 0644,
		.proc_handler = dn_node_address_handler,
		.strategy = dn_node_address_strategy,
	},
	{
		.ctl_name = NET_DECNET_NODE_NAME,
		.procname = "node_name",
		.data = node_name,
		.maxlen = 7,
		.mode = 0644,
		.proc_handler = proc_dostring,
		.strategy = sysctl_string,
	},
	{
		.ctl_name = NET_DECNET_DEFAULT_DEVICE,
		.procname = "default_device",
		.maxlen = 16,
		.mode = 0644,
		.proc_handler = dn_def_dev_handler,
		.strategy = dn_def_dev_strategy,
	},
	{
		.ctl_name = NET_DECNET_TIME_WAIT,
		.procname = "time_wait",
		.data = &decnet_time_wait,
		.maxlen = sizeof(int),
		.mode = 0644,
		.proc_handler = proc_dointvec_minmax,
		.strategy = sysctl_intvec,
		.extra1 = &min_decnet_time_wait,
		.extra2 = &max_decnet_time_wait
	},
	{
		.ctl_name = NET_DECNET_DN_COUNT,
		.procname = "dn_count",
		.data = &decnet_dn_count,
		.maxlen = sizeof(int),
		.mode = 0644,
		.proc_handler = proc_dointvec_minmax,
		.strategy = sysctl_intvec,
		.extra1 = &min_state_count,
		.extra2 = &max_state_count
	},
	{
		.ctl_name = NET_DECNET_DI_COUNT,
		.procname = "di_count",
		.data = &decnet_di_count,
		.maxlen = sizeof(int),
		.mode = 0644,
		.proc_handler = proc_dointvec_minmax,
		.strategy = sysctl_intvec,
		.extra1 = &min_state_count,
		.extra2 = &max_state_count
	},
	{
		.ctl_name = NET_DECNET_DR_COUNT,
		.procname = "dr_count",
		.data = &decnet_dr_count,
		.maxlen = sizeof(int),
		.mode = 0644,
		.proc_handler = proc_dointvec_minmax,
		.strategy = sysctl_intvec,
		.extra1 = &min_state_count,
		.extra2 = &max_state_count
	},
	{
		.ctl_name = NET_DECNET_DST_GC_INTERVAL,
		.procname = "dst_gc_interval",
		.data = &decnet_dst_gc_interval,
		.maxlen = sizeof(int),
		.mode = 0644,
		.proc_handler = proc_dointvec_minmax,
		.strategy = sysctl_intvec,
		.extra1 = &min_decnet_dst_gc_interval,
		.extra2 = &max_decnet_dst_gc_interval
	},
	{
		.ctl_name = NET_DECNET_NO_FC_MAX_CWND,
		.procname = "no_fc_max_cwnd",
		.data = &decnet_no_fc_max_cwnd,
		.maxlen = sizeof(int),
		.mode = 0644,
		.proc_handler = proc_dointvec_minmax,
		.strategy = sysctl_intvec,
		.extra1 = &min_decnet_no_fc_max_cwnd,
		.extra2 = &max_decnet_no_fc_max_cwnd
	},
       {
		.ctl_name = NET_DECNET_MEM,
		.procname = "decnet_mem",
		.data = &sysctl_decnet_mem,
		.maxlen = sizeof(sysctl_decnet_mem),
		.mode = 0644,
		.proc_handler = proc_dointvec,
		.strategy = sysctl_intvec,
	},
	{
		.ctl_name = NET_DECNET_RMEM,
		.procname = "decnet_rmem",
		.data = &sysctl_decnet_rmem,
		.maxlen = sizeof(sysctl_decnet_rmem),
		.mode = 0644,
		.proc_handler = proc_dointvec,
		.strategy = sysctl_intvec,
	},
	{
		.ctl_name = NET_DECNET_WMEM,
		.procname = "decnet_wmem",
		.data = &sysctl_decnet_wmem,
		.maxlen = sizeof(sysctl_decnet_wmem),
		.mode = 0644,
		.proc_handler = proc_dointvec,
		.strategy = sysctl_intvec,
	},
	{
		.ctl_name = NET_DECNET_DEBUG_LEVEL,
		.procname = "debug",
		.data = &decnet_debug_level,
		.maxlen = sizeof(int),
		.mode = 0644,
		.proc_handler = proc_dointvec,
		.strategy = sysctl_intvec,
	},
	{0}
};

static struct ctl_path dn_path[] = {
	{ .procname = "net", .ctl_name = CTL_NET, },
	{ .procname = "decnet", .ctl_name = NET_DECNET, },
	{ }
};

void dn_register_sysctl(void)
{
	dn_table_header = register_sysctl_paths(dn_path, dn_table);
}

void dn_unregister_sysctl(void)
{
	unregister_sysctl_table(dn_table_header);
}

#else  /* CONFIG_SYSCTL */
void dn_unregister_sysctl(void)
{
}
void dn_register_sysctl(void)
{
}

#endif
Commit	Line	Data
1da177e4 LT	1	/*
	2	* DECnet An implementation of the DECnet protocol suite for the LINUX
	3	* operating system. DECnet is implemented using the BSD Socket
	4	* interface as the means of communication with the user level.
	5	*
	6	* DECnet sysctl support functions
	7	*
	8	* Author: Steve Whitehouse <SteveW@ACM.org>
	9	*
	10	*
	11	* Changes:
	12	* Steve Whitehouse - C99 changes and default device handling
1f12bcc9	13	* Steve Whitehouse - Memory buffer settings, like the tcp ones
1da177e4 LT	14	*
1da177e4 LT	15	*/
1da177e4 LT	16	#include <linux/mm.h>
	17	#include <linux/sysctl.h>
	18	#include <linux/fs.h>
	19	#include <linux/netdevice.h>
	20	#include <linux/string.h>
	21	#include <net/neighbour.h>
	22	#include <net/dst.h>
	23	#include <net/flow.h>
	24
	25	#include <asm/uaccess.h>
	26
	27	#include <net/dn.h>
	28	#include <net/dn_dev.h>
	29	#include <net/dn_route.h>
	30
	31
	32	int decnet_debug_level;
	33	int decnet_time_wait = 30;
	34	int decnet_dn_count = 1;
	35	int decnet_di_count = 3;
	36	int decnet_dr_count = 3;
	37	int decnet_log_martians = 1;
	38	int decnet_no_fc_max_cwnd = NSP_MIN_WINDOW;
	39
1f12bcc9 SW	40	/* Reasonable defaults, I hope, based on tcp's defaults */
	41	int sysctl_decnet_mem[3] = { 768 << 3, 1024 << 3, 1536 << 3 };
	42	int sysctl_decnet_wmem[3] = { 4 * 1024, 16 * 1024, 128 * 1024 };
	43	int sysctl_decnet_rmem[3] = { 4 * 1024, 87380, 87380 * 2 };
	44
1da177e4 LT	45	#ifdef CONFIG_SYSCTL
	46	extern int decnet_dst_gc_interval;
	47	static int min_decnet_time_wait[] = { 5 };
	48	static int max_decnet_time_wait[] = { 600 };
	49	static int min_state_count[] = { 1 };
	50	static int max_state_count[] = { NSP_MAXRXTSHIFT };
	51	static int min_decnet_dst_gc_interval[] = { 1 };
	52	static int max_decnet_dst_gc_interval[] = { 60 };
	53	static int min_decnet_no_fc_max_cwnd[] = { NSP_MIN_WINDOW };
	54	static int max_decnet_no_fc_max_cwnd[] = { NSP_MAX_WINDOW };
	55	static char node_name[7] = "???";
	56
	57	static struct ctl_table_header *dn_table_header = NULL;
	58
	59	/*
	60	* ctype.h :-)
	61	*/
	62	#define ISNUM(x) (((x) >= '0') && ((x) <= '9'))
	63	#define ISLOWER(x) (((x) >= 'a') && ((x) <= 'z'))
	64	#define ISUPPER(x) (((x) >= 'A') && ((x) <= 'Z'))
	65	#define ISALPHA(x) (ISLOWER(x) \|\| ISUPPER(x))
	66	#define INVALID_END_CHAR(x) (ISNUM(x) \|\| ISALPHA(x))
	67
	68	static void strip_it(char *str)
	69	{
	70	for(;;) {
	71	switch(*str) {
	72	case ' ':
	73	case '\n':
	74	case '\r':
	75	case ':':
	76	*str = 0;
	77	case 0:
	78	return;
	79	}
	80	str++;
	81	}
	82	}
	83
	84	/*
	85	* Simple routine to parse an ascii DECnet address
	86	* into a network order address.
	87	*/
c4ea94ab	88	static int parse_addr(__le16 addr, char str)
1da177e4	89	{
c4ea94ab	90	__u16 area, node;
1da177e4 LT	91
	92	while(str && !ISNUM(str)) str++;
	93
	94	if (*str == 0)
	95	return -1;
	96
	97	area = (*str++ - '0');
	98	if (ISNUM(*str)) {
	99	area *= 10;
	100	area += (*str++ - '0');
	101	}
	102
	103	if (*str++ != '.')
	104	return -1;
	105
	106	if (!ISNUM(*str))
	107	return -1;
	108
	109	node = *str++ - '0';
	110	if (ISNUM(*str)) {
	111	node *= 10;
	112	node += (*str++ - '0');
	113	}
	114	if (ISNUM(*str)) {
	115	node *= 10;
	116	node += (*str++ - '0');
	117	}
	118	if (ISNUM(*str)) {
	119	node *= 10;
	120	node += (*str++ - '0');
	121	}
	122
	123	if ((node > 1023) \|\| (area > 63))
	124	return -1;
	125
	126	if (INVALID_END_CHAR(*str))
	127	return -1;
	128
c4106aa8	129	*addr = cpu_to_le16((area << 10) \| node);
1da177e4 LT	130
	131	return 0;
	132	}
	133
	134
f221e726	135	static int dn_node_address_strategy(ctl_table *table,
1da177e4	136	void __user oldval, size_t __user oldlenp,
1f29bcd7	137	void __user *newval, size_t newlen)
1da177e4 LT	138	{
1da177e4 LT	139	size_t len;
c4ea94ab	140	__le16 addr;
1da177e4 LT	141
	142	if (oldval && oldlenp) {
	143	if (get_user(len, oldlenp))
	144	return -EFAULT;
	145	if (len) {
	146	if (len != sizeof(unsigned short))
	147	return -EINVAL;
c4ea94ab	148	if (put_user(decnet_address, (__le16 __user *)oldval))
1da177e4 LT	149	return -EFAULT;
	150	}
	151	}
	152	if (newval && newlen) {
	153	if (newlen != sizeof(unsigned short))
	154	return -EINVAL;
c4ea94ab	155	if (get_user(addr, (__le16 __user *)newval))
1da177e4 LT	156	return -EFAULT;
	157
	158	dn_dev_devices_off();
	159
	160	decnet_address = addr;
	161
	162	dn_dev_devices_on();
	163	}
	164	return 0;
	165	}
	166
429eb0fa	167	static int dn_node_address_handler(ctl_table *table, int write,
1da177e4 LT	168	void __user *buffer,
	169	size_t lenp, loff_t ppos)
	170	{
	171	char addr[DN_ASCBUF_LEN];
	172	size_t len;
c4ea94ab	173	__le16 dnaddr;
1da177e4 LT	174
	175	if (!lenp \|\| (ppos && !write)) {
	176	*lenp = 0;
	177	return 0;
	178	}
	179
	180	if (write) {
e57c624b	181	len = (lenp < DN_ASCBUF_LEN) ? lenp : (DN_ASCBUF_LEN-1);
1da177e4 LT	182
	183	if (copy_from_user(addr, buffer, len))
	184	return -EFAULT;
	185
	186	addr[len] = 0;
	187	strip_it(addr);
	188
	189	if (parse_addr(&dnaddr, addr))
	190	return -EINVAL;
	191
	192	dn_dev_devices_off();
	193
	194	decnet_address = dnaddr;
	195
	196	dn_dev_devices_on();
	197
	198	*ppos += len;
	199
	200	return 0;
	201	}
	202
c4106aa8	203	dn_addr2asc(le16_to_cpu(decnet_address), addr);
1da177e4 LT	204	len = strlen(addr);
	205	addr[len++] = '\n';
	206
	207	if (len > lenp) len = lenp;
	208
	209	if (copy_to_user(buffer, addr, len))
	210	return -EFAULT;
	211
	212	*lenp = len;
	213	*ppos += len;
	214
	215	return 0;
	216	}
	217
	218
f221e726	219	static int dn_def_dev_strategy(ctl_table *table,
1da177e4	220	void __user oldval, size_t __user oldlenp,
1f29bcd7	221	void __user *newval, size_t newlen)
1da177e4 LT	222	{
	223	size_t len;
	224	struct net_device *dev;
	225	char devname[17];
	226	size_t namel;
	227	int rv = 0;
	228
	229	devname[0] = 0;
	230
	231	if (oldval && oldlenp) {
	232	if (get_user(len, oldlenp))
	233	return -EFAULT;
	234	if (len) {
	235	dev = dn_dev_get_default();
	236	if (dev) {
	237	strcpy(devname, dev->name);
	238	dev_put(dev);
	239	}
	240
	241	namel = strlen(devname) + 1;
429eb0fa	242	if (len > namel) len = namel;
1da177e4 LT	243
	244	if (copy_to_user(oldval, devname, len))
	245	return -EFAULT;
	246
	247	if (put_user(len, oldlenp))
	248	return -EFAULT;
	249	}
	250	}
	251
	252	if (newval && newlen) {
	253	if (newlen > 16)
	254	return -E2BIG;
	255
	256	if (copy_from_user(devname, newval, newlen))
	257	return -EFAULT;
	258
	259	devname[newlen] = 0;
	260
881d966b	261	dev = dev_get_by_name(&init_net, devname);
1da177e4 LT	262	if (dev == NULL)
	263	return -ENODEV;
	264
	265	rv = -ENODEV;
	266	if (dev->dn_ptr != NULL) {
	267	rv = dn_dev_set_default(dev, 1);
	268	if (rv)
	269	dev_put(dev);
	270	}
	271	}
	272
	273	return rv;
	274	}
	275
	276
429eb0fa	277	static int dn_def_dev_handler(ctl_table *table, int write,
1da177e4 LT	278	void __user *buffer,
	279	size_t lenp, loff_t ppos)
	280	{
	281	size_t len;
	282	struct net_device *dev;
	283	char devname[17];
	284
	285	if (!lenp \|\| (ppos && !write)) {
	286	*lenp = 0;
	287	return 0;
	288	}
	289
	290	if (write) {
	291	if (*lenp > 16)
	292	return -E2BIG;
	293
	294	if (copy_from_user(devname, buffer, *lenp))
	295	return -EFAULT;
	296
	297	devname[*lenp] = 0;
	298	strip_it(devname);
	299
881d966b	300	dev = dev_get_by_name(&init_net, devname);
1da177e4 LT	301	if (dev == NULL)
	302	return -ENODEV;
	303
	304	if (dev->dn_ptr == NULL) {
	305	dev_put(dev);
	306	return -ENODEV;
	307	}
	308
	309	if (dn_dev_set_default(dev, 1)) {
	310	dev_put(dev);
	311	return -ENODEV;
	312	}
	313	ppos += lenp;
	314
	315	return 0;
	316	}
	317
	318	dev = dn_dev_get_default();
	319	if (dev == NULL) {
	320	*lenp = 0;
	321	return 0;
	322	}
	323
	324	strcpy(devname, dev->name);
	325	dev_put(dev);
	326	len = strlen(devname);
	327	devname[len++] = '\n';
	328
	329	if (len > lenp) len = lenp;
	330
	331	if (copy_to_user(buffer, devname, len))
	332	return -EFAULT;
	333
	334	*lenp = len;
	335	*ppos += len;
	336
	337	return 0;
	338	}
	339
	340	static ctl_table dn_table[] = {
	341	{
429eb0fa YH	342	.ctl_name = NET_DECNET_NODE_ADDRESS,
	343	.procname = "node_address",
	344	.maxlen = 7,
	345	.mode = 0644,
1da177e4 LT	346	.proc_handler = dn_node_address_handler,
	347	.strategy = dn_node_address_strategy,
	348	},
	349	{
	350	.ctl_name = NET_DECNET_NODE_NAME,
	351	.procname = "node_name",
429eb0fa	352	.data = node_name,
1da177e4 LT	353	.maxlen = 7,
1da177e4 LT	354	.mode = 0644,
6d9f239a AD	355	.proc_handler = proc_dostring,
6d9f239a AD	356	.strategy = sysctl_string,
1da177e4 LT	357	},
	358	{
	359	.ctl_name = NET_DECNET_DEFAULT_DEVICE,
429eb0fa YH	360	.procname = "default_device",
429eb0fa YH	361	.maxlen = 16,
1da177e4 LT	362	.mode = 0644,
	363	.proc_handler = dn_def_dev_handler,
	364	.strategy = dn_def_dev_strategy,
	365	},
	366	{
	367	.ctl_name = NET_DECNET_TIME_WAIT,
	368	.procname = "time_wait",
	369	.data = &decnet_time_wait,
	370	.maxlen = sizeof(int),
	371	.mode = 0644,
6d9f239a AD	372	.proc_handler = proc_dointvec_minmax,
6d9f239a AD	373	.strategy = sysctl_intvec,
1da177e4 LT	374	.extra1 = &min_decnet_time_wait,
	375	.extra2 = &max_decnet_time_wait
	376	},
	377	{
	378	.ctl_name = NET_DECNET_DN_COUNT,
	379	.procname = "dn_count",
	380	.data = &decnet_dn_count,
	381	.maxlen = sizeof(int),
	382	.mode = 0644,
6d9f239a AD	383	.proc_handler = proc_dointvec_minmax,
6d9f239a AD	384	.strategy = sysctl_intvec,
1da177e4 LT	385	.extra1 = &min_state_count,
	386	.extra2 = &max_state_count
	387	},
	388	{
	389	.ctl_name = NET_DECNET_DI_COUNT,
	390	.procname = "di_count",
	391	.data = &decnet_di_count,
	392	.maxlen = sizeof(int),
	393	.mode = 0644,
6d9f239a AD	394	.proc_handler = proc_dointvec_minmax,
6d9f239a AD	395	.strategy = sysctl_intvec,
1da177e4 LT	396	.extra1 = &min_state_count,
	397	.extra2 = &max_state_count
	398	},
	399	{
	400	.ctl_name = NET_DECNET_DR_COUNT,
	401	.procname = "dr_count",
	402	.data = &decnet_dr_count,
	403	.maxlen = sizeof(int),
	404	.mode = 0644,
6d9f239a AD	405	.proc_handler = proc_dointvec_minmax,
6d9f239a AD	406	.strategy = sysctl_intvec,
1da177e4 LT	407	.extra1 = &min_state_count,
	408	.extra2 = &max_state_count
	409	},
	410	{
	411	.ctl_name = NET_DECNET_DST_GC_INTERVAL,
	412	.procname = "dst_gc_interval",
	413	.data = &decnet_dst_gc_interval,
	414	.maxlen = sizeof(int),
	415	.mode = 0644,
6d9f239a AD	416	.proc_handler = proc_dointvec_minmax,
6d9f239a AD	417	.strategy = sysctl_intvec,
1da177e4 LT	418	.extra1 = &min_decnet_dst_gc_interval,
	419	.extra2 = &max_decnet_dst_gc_interval
	420	},
	421	{
	422	.ctl_name = NET_DECNET_NO_FC_MAX_CWND,
	423	.procname = "no_fc_max_cwnd",
	424	.data = &decnet_no_fc_max_cwnd,
	425	.maxlen = sizeof(int),
	426	.mode = 0644,
6d9f239a AD	427	.proc_handler = proc_dointvec_minmax,
6d9f239a AD	428	.strategy = sysctl_intvec,
1da177e4 LT	429	.extra1 = &min_decnet_no_fc_max_cwnd,
	430	.extra2 = &max_decnet_no_fc_max_cwnd
	431	},
1f12bcc9	432	{
429eb0fa YH	433	.ctl_name = NET_DECNET_MEM,
	434	.procname = "decnet_mem",
	435	.data = &sysctl_decnet_mem,
	436	.maxlen = sizeof(sysctl_decnet_mem),
	437	.mode = 0644,
6d9f239a AD	438	.proc_handler = proc_dointvec,
6d9f239a AD	439	.strategy = sysctl_intvec,
429eb0fa YH	440	},
	441	{
	442	.ctl_name = NET_DECNET_RMEM,
	443	.procname = "decnet_rmem",
	444	.data = &sysctl_decnet_rmem,
	445	.maxlen = sizeof(sysctl_decnet_rmem),
	446	.mode = 0644,
6d9f239a AD	447	.proc_handler = proc_dointvec,
6d9f239a AD	448	.strategy = sysctl_intvec,
429eb0fa YH	449	},
	450	{
	451	.ctl_name = NET_DECNET_WMEM,
	452	.procname = "decnet_wmem",
	453	.data = &sysctl_decnet_wmem,
	454	.maxlen = sizeof(sysctl_decnet_wmem),
	455	.mode = 0644,
6d9f239a AD	456	.proc_handler = proc_dointvec,
6d9f239a AD	457	.strategy = sysctl_intvec,
429eb0fa	458	},
1da177e4 LT	459	{
	460	.ctl_name = NET_DECNET_DEBUG_LEVEL,
	461	.procname = "debug",
	462	.data = &decnet_debug_level,
	463	.maxlen = sizeof(int),
	464	.mode = 0644,
6d9f239a AD	465	.proc_handler = proc_dointvec,
6d9f239a AD	466	.strategy = sysctl_intvec,
1da177e4 LT	467	},
	468	{0}
	469	};
	470
3151a9ab PE	471	static struct ctl_path dn_path[] = {
	472	{ .procname = "net", .ctl_name = CTL_NET, },
	473	{ .procname = "decnet", .ctl_name = NET_DECNET, },
	474	{ }
1da177e4 LT	475	};
	476
	477	void dn_register_sysctl(void)
	478	{
3151a9ab	479	dn_table_header = register_sysctl_paths(dn_path, dn_table);
1da177e4 LT	480	}
	481
	482	void dn_unregister_sysctl(void)
	483	{
	484	unregister_sysctl_table(dn_table_header);
	485	}
	486
	487	#else /* CONFIG_SYSCTL */
	488	void dn_unregister_sysctl(void)
	489	{
	490	}
	491	void dn_register_sysctl(void)
	492	{
	493	}
	494
	495	#endif