[linux.git] / net / wanrouter / wanproc.c

/*****************************************************************************
* wanproc.c	WAN Router Module. /proc filesystem interface.
*
*		This module is completely hardware-independent and provides
*		access to the router using Linux /proc filesystem.
*
* Author: 	Gideon Hack
*
* Copyright:	(c) 1995-1999 Sangoma Technologies Inc.
*
*		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.
* ============================================================================
* Jun 02, 1999  Gideon Hack	Updates for Linux 2.2.X kernels.
* Jun 29, 1997	Alan Cox	Merged with 1.0.3 vendor code
* Jan 29, 1997	Gene Kozin	v1.0.1. Implemented /proc read routines
* Jan 30, 1997	Alan Cox	Hacked around for 2.1
* Dec 13, 1996	Gene Kozin	Initial version (based on Sangoma's WANPIPE)
*****************************************************************************/

#include <linux/init.h>		/* __initfunc et al. */
#include <linux/stddef.h>	/* offsetof(), etc. */
#include <linux/errno.h>	/* return codes */
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/wanrouter.h>	/* WAN router API definitions */
#include <linux/seq_file.h>
#include <linux/smp_lock.h>

#include <net/net_namespace.h>
#include <asm/io.h>

#define PROC_STATS_FORMAT "%30s: %12lu\n"

/****** Defines and Macros **************************************************/

#define PROT_DECODE(prot) ((prot == WANCONFIG_FR) ? " FR" :\
			      (prot == WANCONFIG_X25) ? " X25" : \
				 (prot == WANCONFIG_PPP) ? " PPP" : \
				    (prot == WANCONFIG_CHDLC) ? " CHDLC": \
				       (prot == WANCONFIG_MPPP) ? " MPPP" : \
					   " Unknown" )

/****** Function Prototypes *************************************************/

#ifdef CONFIG_PROC_FS

/* Miscellaneous */

/*
 *	Structures for interfacing with the /proc filesystem.
 *	Router creates its own directory /proc/net/router with the folowing
 *	entries:
 *	config		device configuration
 *	status		global device statistics
 *	<device>	entry for each WAN device
 */

/*
 *	Generic /proc/net/router/<file> file and inode operations
 */

/*
 *	/proc/net/router
 */

static struct proc_dir_entry *proc_router;

/* Strings */

/*
 *	Interface functions
 */

/****** Proc filesystem entry points ****************************************/

/*
 *	Iterator
 */
static void *r_start(struct seq_file *m, loff_t *pos)
	__acquires(kernel_lock)
{
	struct wan_device *wandev;
	loff_t l = *pos;

	lock_kernel();
	if (!l--)
		return SEQ_START_TOKEN;
	for (wandev = wanrouter_router_devlist; l-- && wandev;
	     wandev = wandev->next)
		;
	return wandev;
}

static void *r_next(struct seq_file *m, void *v, loff_t *pos)
{
	struct wan_device *wandev = v;
	(*pos)++;
	return (v == SEQ_START_TOKEN) ? wanrouter_router_devlist : wandev->next;
}

static void r_stop(struct seq_file *m, void *v)
	__releases(kernel_lock)
{
	unlock_kernel();
}

static int config_show(struct seq_file *m, void *v)
{
	struct wan_device *p = v;
	if (v == SEQ_START_TOKEN) {
		seq_puts(m, "Device name    | port |IRQ|DMA|  mem.addr  |"
			    "mem.size|option1|option2|option3|option4\n");
		return 0;
	}
	if (!p->state)
		return 0;
	seq_printf(m, "%-15s|0x%-4X|%3u|%3u| 0x%-8lX |0x%-6X|%7u|%7u|%7u|%7u\n",
			p->name, p->ioport, p->irq, p->dma, p->maddr, p->msize,
			p->hw_opt[0], p->hw_opt[1], p->hw_opt[2], p->hw_opt[3]);
	return 0;
}

static int status_show(struct seq_file *m, void *v)
{
	struct wan_device *p = v;
	if (v == SEQ_START_TOKEN) {
		seq_puts(m, "Device name    |protocol|station|interface|"
			    "clocking|baud rate| MTU |ndev|link state\n");
		return 0;
	}
	if (!p->state)
		return 0;
	seq_printf(m, "%-15s|%-8s| %-7s| %-9s|%-8s|%9u|%5u|%3u |",
		p->name,
		PROT_DECODE(p->config_id),
		p->config_id == WANCONFIG_FR ?
			(p->station ? "Node" : "CPE") :
			(p->config_id == WANCONFIG_X25 ?
			(p->station ? "DCE" : "DTE") :
			("N/A")),
		p->interface ? "V.35" : "RS-232",
		p->clocking ? "internal" : "external",
		p->bps,
		p->mtu,
		p->ndev);

	switch (p->state) {
	case WAN_UNCONFIGURED:
		seq_printf(m, "%-12s\n", "unconfigured");
		break;
	case WAN_DISCONNECTED:
		seq_printf(m, "%-12s\n", "disconnected");
		break;
	case WAN_CONNECTING:
		seq_printf(m, "%-12s\n", "connecting");
		break;
	case WAN_CONNECTED:
		seq_printf(m, "%-12s\n", "connected");
		break;
	default:
		seq_printf(m, "%-12s\n", "invalid");
		break;
	}
	return 0;
}

static const struct seq_operations config_op = {
	.start	= r_start,
	.next	= r_next,
	.stop	= r_stop,
	.show	= config_show,
};

static const struct seq_operations status_op = {
	.start	= r_start,
	.next	= r_next,
	.stop	= r_stop,
	.show	= status_show,
};

static int config_open(struct inode *inode, struct file *file)
{
	return seq_open(file, &config_op);
}

static int status_open(struct inode *inode, struct file *file)
{
	return seq_open(file, &status_op);
}

static const struct file_operations config_fops = {
	.owner	 = THIS_MODULE,
	.open	 = config_open,
	.read	 = seq_read,
	.llseek	 = seq_lseek,
	.release = seq_release,
};

static const struct file_operations status_fops = {
	.owner	 = THIS_MODULE,
	.open	 = status_open,
	.read	 = seq_read,
	.llseek	 = seq_lseek,
	.release = seq_release,
};

static int wandev_show(struct seq_file *m, void *v)
{
	struct wan_device *wandev = m->private;

	if (wandev->magic != ROUTER_MAGIC)
		return 0;

	if (!wandev->state) {
		seq_puts(m, "device is not configured!\n");
		return 0;
	}

	/* Update device statistics */
	if (wandev->update) {
		int err = wandev->update(wandev);
		if (err == -EAGAIN) {
			seq_puts(m, "Device is busy!\n");
			return 0;
		}
		if (err) {
			seq_puts(m, "Device is not configured!\n");
			return 0;
		}
	}

	seq_printf(m, PROC_STATS_FORMAT,
		"total packets received", wandev->stats.rx_packets);
	seq_printf(m, PROC_STATS_FORMAT,
		"total packets transmitted", wandev->stats.tx_packets);
	seq_printf(m, PROC_STATS_FORMAT,
		"total bytes received", wandev->stats.rx_bytes);
	seq_printf(m, PROC_STATS_FORMAT,
		"total bytes transmitted", wandev->stats.tx_bytes);
	seq_printf(m, PROC_STATS_FORMAT,
		"bad packets received", wandev->stats.rx_errors);
	seq_printf(m, PROC_STATS_FORMAT,
		"packet transmit problems", wandev->stats.tx_errors);
	seq_printf(m, PROC_STATS_FORMAT,
		"received frames dropped", wandev->stats.rx_dropped);
	seq_printf(m, PROC_STATS_FORMAT,
		"transmit frames dropped", wandev->stats.tx_dropped);
	seq_printf(m, PROC_STATS_FORMAT,
		"multicast packets received", wandev->stats.multicast);
	seq_printf(m, PROC_STATS_FORMAT,
		"transmit collisions", wandev->stats.collisions);
	seq_printf(m, PROC_STATS_FORMAT,
		"receive length errors", wandev->stats.rx_length_errors);
	seq_printf(m, PROC_STATS_FORMAT,
		"receiver overrun errors", wandev->stats.rx_over_errors);
	seq_printf(m, PROC_STATS_FORMAT,
		"CRC errors", wandev->stats.rx_crc_errors);
	seq_printf(m, PROC_STATS_FORMAT,
		"frame format errors (aborts)", wandev->stats.rx_frame_errors);
	seq_printf(m, PROC_STATS_FORMAT,
		"receiver fifo overrun", wandev->stats.rx_fifo_errors);
	seq_printf(m, PROC_STATS_FORMAT,
		"receiver missed packet", wandev->stats.rx_missed_errors);
	seq_printf(m, PROC_STATS_FORMAT,
		"aborted frames transmitted", wandev->stats.tx_aborted_errors);
	return 0;
}

static int wandev_open(struct inode *inode, struct file *file)
{
	return single_open(file, wandev_show, PDE(inode)->data);
}

static const struct file_operations wandev_fops = {
	.owner	 = THIS_MODULE,
	.open	 = wandev_open,
	.read	 = seq_read,
	.llseek	 = seq_lseek,
	.release = single_release,
	.unlocked_ioctl  = wanrouter_ioctl,
};

/*
 *	Initialize router proc interface.
 */

int __init wanrouter_proc_init(void)
{
	struct proc_dir_entry *p;
	proc_router = proc_mkdir(ROUTER_NAME, init_net.proc_net);
	if (!proc_router)
		goto fail;

	p = proc_create("config", S_IRUGO, proc_router, &config_fops);
	if (!p)
		goto fail_config;
	p = proc_create("status", S_IRUGO, proc_router, &status_fops);
	if (!p)
		goto fail_stat;
	return 0;
fail_stat:
	remove_proc_entry("config", proc_router);
fail_config:
	remove_proc_entry(ROUTER_NAME, init_net.proc_net);
fail:
	return -ENOMEM;
}

/*
 *	Clean up router proc interface.
 */

void wanrouter_proc_cleanup(void)
{
	remove_proc_entry("config", proc_router);
	remove_proc_entry("status", proc_router);
	remove_proc_entry(ROUTER_NAME, init_net.proc_net);
}

/*
 *	Add directory entry for WAN device.
 */

int wanrouter_proc_add(struct wan_device* wandev)
{
	if (wandev->magic != ROUTER_MAGIC)
		return -EINVAL;

	wandev->dent = proc_create(wandev->name, S_IRUGO,
				   proc_router, &wandev_fops);
	if (!wandev->dent)
		return -ENOMEM;
	wandev->dent->data	= wandev;
	return 0;
}

/*
 *	Delete directory entry for WAN device.
 */
int wanrouter_proc_delete(struct wan_device* wandev)
{
	if (wandev->magic != ROUTER_MAGIC)
		return -EINVAL;
	remove_proc_entry(wandev->name, proc_router);
	return 0;
}

#else

/*
 *	No /proc - output stubs
 */

int __init wanrouter_proc_init(void)
{
	return 0;
}

void wanrouter_proc_cleanup(void)
{
}

int wanrouter_proc_add(struct wan_device *wandev)
{
	return 0;
}

int wanrouter_proc_delete(struct wan_device *wandev)
{
	return 0;
}

#endif

/*
 *	End
 */
Commit	Line	Data
1da177e4 LT	1	/*****************************************************************************
	2	* wanproc.c WAN Router Module. /proc filesystem interface.
	3	*
	4	* This module is completely hardware-independent and provides
	5	* access to the router using Linux /proc filesystem.
	6	*
	7	* Author: Gideon Hack
	8	*
	9	* Copyright: (c) 1995-1999 Sangoma Technologies Inc.
	10	*
	11	* This program is free software; you can redistribute it and/or
	12	* modify it under the terms of the GNU General Public License
	13	* as published by the Free Software Foundation; either version
	14	* 2 of the License, or (at your option) any later version.
	15	* ============================================================================
	16	* Jun 02, 1999 Gideon Hack Updates for Linux 2.2.X kernels.
	17	* Jun 29, 1997 Alan Cox Merged with 1.0.3 vendor code
	18	* Jan 29, 1997 Gene Kozin v1.0.1. Implemented /proc read routines
	19	* Jan 30, 1997 Alan Cox Hacked around for 2.1
	20	* Dec 13, 1996 Gene Kozin Initial version (based on Sangoma's WANPIPE)
	21	*****************************************************************************/
	22
1da177e4 LT	23	#include <linux/init.h> /* __initfunc et al. */
	24	#include <linux/stddef.h> /* offsetof(), etc. */
	25	#include <linux/errno.h> /* return codes */
	26	#include <linux/kernel.h>
	27	#include <linux/module.h>
	28	#include <linux/wanrouter.h> /* WAN router API definitions */
	29	#include <linux/seq_file.h>
	30	#include <linux/smp_lock.h>
	31
457c4cbc	32	#include <net/net_namespace.h>
1da177e4 LT	33	#include <asm/io.h>
	34
	35	#define PROC_STATS_FORMAT "%30s: %12lu\n"
	36
	37	/**** Defines and Macros ************************************************/
	38
	39	#define PROT_DECODE(prot) ((prot == WANCONFIG_FR) ? " FR" :\
	40	(prot == WANCONFIG_X25) ? " X25" : \
4ba6122b	41	(prot == WANCONFIG_PPP) ? " PPP" : \
1da177e4 LT	42	(prot == WANCONFIG_CHDLC) ? " CHDLC": \
1da177e4 LT	43	(prot == WANCONFIG_MPPP) ? " MPPP" : \
4ba6122b	44	" Unknown" )
1da177e4 LT	45
	46	/**** Function Prototypes ***********************************************/
	47
	48	#ifdef CONFIG_PROC_FS
	49
	50	/* Miscellaneous */
	51
	52	/*
	53	* Structures for interfacing with the /proc filesystem.
	54	* Router creates its own directory /proc/net/router with the folowing
	55	* entries:
	56	* config device configuration
	57	* status global device statistics
	58	* <device> entry for each WAN device
	59	*/
	60
	61	/*
	62	* Generic /proc/net/router/<file> file and inode operations
	63	*/
	64
	65	/*
	66	* /proc/net/router
	67	*/
	68
	69	static struct proc_dir_entry *proc_router;
	70
	71	/* Strings */
	72
	73	/*
	74	* Interface functions
	75	*/
	76
	77	/**** Proc filesystem entry points **************************************/
	78
	79	/*
	80	* Iterator
	81	*/
	82	static void r_start(struct seq_file m, loff_t *pos)
9ee62630	83	__acquires(kernel_lock)
1da177e4 LT	84	{
	85	struct wan_device *wandev;
	86	loff_t l = *pos;
	87
	88	lock_kernel();
	89	if (!l--)
	90	return SEQ_START_TOKEN;
	91	for (wandev = wanrouter_router_devlist; l-- && wandev;
	92	wandev = wandev->next)
	93	;
	94	return wandev;
	95	}
	96
	97	static void r_next(struct seq_file m, void v, loff_t pos)
	98	{
	99	struct wan_device *wandev = v;
	100	(*pos)++;
	101	return (v == SEQ_START_TOKEN) ? wanrouter_router_devlist : wandev->next;
	102	}
	103
	104	static void r_stop(struct seq_file m, void v)
9ee62630	105	__releases(kernel_lock)
1da177e4 LT	106	{
	107	unlock_kernel();
	108	}
	109
	110	static int config_show(struct seq_file m, void v)
	111	{
	112	struct wan_device *p = v;
	113	if (v == SEQ_START_TOKEN) {
	114	seq_puts(m, "Device name \| port \|IRQ\|DMA\| mem.addr \|"
	115	"mem.size\|option1\|option2\|option3\|option4\n");
	116	return 0;
	117	}
	118	if (!p->state)
	119	return 0;
	120	seq_printf(m, "%-15s\|0x%-4X\|%3u\|%3u\| 0x%-8lX \|0x%-6X\|%7u\|%7u\|%7u\|%7u\n",
	121	p->name, p->ioport, p->irq, p->dma, p->maddr, p->msize,
	122	p->hw_opt[0], p->hw_opt[1], p->hw_opt[2], p->hw_opt[3]);
	123	return 0;
	124	}
	125
	126	static int status_show(struct seq_file m, void v)
	127	{
	128	struct wan_device *p = v;
	129	if (v == SEQ_START_TOKEN) {
	130	seq_puts(m, "Device name \|protocol\|station\|interface\|"
	131	"clocking\|baud rate\| MTU \|ndev\|link state\n");
	132	return 0;
	133	}
	134	if (!p->state)
	135	return 0;
	136	seq_printf(m, "%-15s\|%-8s\| %-7s\| %-9s\|%-8s\|%9u\|%5u\|%3u \|",
	137	p->name,
	138	PROT_DECODE(p->config_id),
	139	p->config_id == WANCONFIG_FR ?
	140	(p->station ? "Node" : "CPE") :
	141	(p->config_id == WANCONFIG_X25 ?
	142	(p->station ? "DCE" : "DTE") :
	143	("N/A")),
	144	p->interface ? "V.35" : "RS-232",
	145	p->clocking ? "internal" : "external",
	146	p->bps,
	147	p->mtu,
	148	p->ndev);
	149
	150	switch (p->state) {
	151	case WAN_UNCONFIGURED:
	152	seq_printf(m, "%-12s\n", "unconfigured");
	153	break;
	154	case WAN_DISCONNECTED:
	155	seq_printf(m, "%-12s\n", "disconnected");
	156	break;
	157	case WAN_CONNECTING:
	158	seq_printf(m, "%-12s\n", "connecting");
	159	break;
	160	case WAN_CONNECTED:
	161	seq_printf(m, "%-12s\n", "connected");
	162	break;
	163	default:
	164	seq_printf(m, "%-12s\n", "invalid");
	165	break;
	166	}
	167	return 0;
	168	}
	169
56b3d975	170	static const struct seq_operations config_op = {
1da177e4 LT	171	.start = r_start,
	172	.next = r_next,
	173	.stop = r_stop,
	174	.show = config_show,
	175	};
	176
56b3d975	177	static const struct seq_operations status_op = {
1da177e4 LT	178	.start = r_start,
	179	.next = r_next,
	180	.stop = r_stop,
	181	.show = status_show,
	182	};
	183
	184	static int config_open(struct inode inode, struct file file)
	185	{
	186	return seq_open(file, &config_op);
	187	}
	188
	189	static int status_open(struct inode inode, struct file file)
	190	{
	191	return seq_open(file, &status_op);
	192	}
	193
da7071d7	194	static const struct file_operations config_fops = {
1da177e4 LT	195	.owner = THIS_MODULE,
	196	.open = config_open,
	197	.read = seq_read,
	198	.llseek = seq_lseek,
	199	.release = seq_release,
	200	};
	201
da7071d7	202	static const struct file_operations status_fops = {
1da177e4 LT	203	.owner = THIS_MODULE,
	204	.open = status_open,
	205	.read = seq_read,
	206	.llseek = seq_lseek,
	207	.release = seq_release,
	208	};
	209
	210	static int wandev_show(struct seq_file m, void v)
	211	{
	212	struct wan_device *wandev = m->private;
	213
	214	if (wandev->magic != ROUTER_MAGIC)
	215	return 0;
	216
	217	if (!wandev->state) {
	218	seq_puts(m, "device is not configured!\n");
	219	return 0;
	220	}
	221
	222	/* Update device statistics */
	223	if (wandev->update) {
	224	int err = wandev->update(wandev);
	225	if (err == -EAGAIN) {
	226	seq_puts(m, "Device is busy!\n");
	227	return 0;
	228	}
	229	if (err) {
	230	seq_puts(m, "Device is not configured!\n");
	231	return 0;
	232	}
	233	}
	234
	235	seq_printf(m, PROC_STATS_FORMAT,
	236	"total packets received", wandev->stats.rx_packets);
	237	seq_printf(m, PROC_STATS_FORMAT,
	238	"total packets transmitted", wandev->stats.tx_packets);
	239	seq_printf(m, PROC_STATS_FORMAT,
	240	"total bytes received", wandev->stats.rx_bytes);
	241	seq_printf(m, PROC_STATS_FORMAT,
	242	"total bytes transmitted", wandev->stats.tx_bytes);
	243	seq_printf(m, PROC_STATS_FORMAT,
	244	"bad packets received", wandev->stats.rx_errors);
	245	seq_printf(m, PROC_STATS_FORMAT,
	246	"packet transmit problems", wandev->stats.tx_errors);
	247	seq_printf(m, PROC_STATS_FORMAT,
	248	"received frames dropped", wandev->stats.rx_dropped);
	249	seq_printf(m, PROC_STATS_FORMAT,
	250	"transmit frames dropped", wandev->stats.tx_dropped);
	251	seq_printf(m, PROC_STATS_FORMAT,
	252	"multicast packets received", wandev->stats.multicast);
	253	seq_printf(m, PROC_STATS_FORMAT,
	254	"transmit collisions", wandev->stats.collisions);
	255	seq_printf(m, PROC_STATS_FORMAT,
	256	"receive length errors", wandev->stats.rx_length_errors);
	257	seq_printf(m, PROC_STATS_FORMAT,
	258	"receiver overrun errors", wandev->stats.rx_over_errors);
	259	seq_printf(m, PROC_STATS_FORMAT,
	260	"CRC errors", wandev->stats.rx_crc_errors);
	261	seq_printf(m, PROC_STATS_FORMAT,
	262	"frame format errors (aborts)", wandev->stats.rx_frame_errors);
	263	seq_printf(m, PROC_STATS_FORMAT,
	264	"receiver fifo overrun", wandev->stats.rx_fifo_errors);
	265	seq_printf(m, PROC_STATS_FORMAT,
	266	"receiver missed packet", wandev->stats.rx_missed_errors);
267	seq_printf(m, PROC_STATS_FORMAT,
268	"aborted frames transmitted", wandev->stats.tx_aborted_errors);
269	return 0;
270	}
271
272	static int wandev_open(struct inode inode, struct file file)
273	{
274	return single_open(file, wandev_show, PDE(inode)->data);
275	}
276
da7071d7	277	static const struct file_operations wandev_fops = {
1da177e4 LT	278	.owner = THIS_MODULE,
	279	.open = wandev_open,
	280	.read = seq_read,
	281	.llseek = seq_lseek,
	282	.release = single_release,
866988ed	283	.unlocked_ioctl = wanrouter_ioctl,
1da177e4 LT	284	};
	285
	286	/*
	287	* Initialize router proc interface.
	288	*/
	289
	290	int __init wanrouter_proc_init(void)
	291	{
	292	struct proc_dir_entry *p;
457c4cbc	293	proc_router = proc_mkdir(ROUTER_NAME, init_net.proc_net);
1da177e4 LT	294	if (!proc_router)
	295	goto fail;
	296
6d37a158	297	p = proc_create("config", S_IRUGO, proc_router, &config_fops);
1da177e4 LT	298	if (!p)
1da177e4 LT	299	goto fail_config;
6d37a158	300	p = proc_create("status", S_IRUGO, proc_router, &status_fops);
1da177e4 LT	301	if (!p)
1da177e4 LT	302	goto fail_stat;
1da177e4 LT	303	return 0;
	304	fail_stat:
	305	remove_proc_entry("config", proc_router);
	306	fail_config:
457c4cbc	307	remove_proc_entry(ROUTER_NAME, init_net.proc_net);
1da177e4 LT	308	fail:
	309	return -ENOMEM;
	310	}
	311
	312	/*
	313	* Clean up router proc interface.
	314	*/
	315
	316	void wanrouter_proc_cleanup(void)
	317	{
	318	remove_proc_entry("config", proc_router);
	319	remove_proc_entry("status", proc_router);
457c4cbc	320	remove_proc_entry(ROUTER_NAME, init_net.proc_net);
1da177e4 LT	321	}
	322
	323	/*
	324	* Add directory entry for WAN device.
	325	*/
	326
	327	int wanrouter_proc_add(struct wan_device* wandev)
	328	{
	329	if (wandev->magic != ROUTER_MAGIC)
	330	return -EINVAL;
	331
6d37a158 WC	332	wandev->dent = proc_create(wandev->name, S_IRUGO,
6d37a158 WC	333	proc_router, &wandev_fops);
1da177e4 LT	334	if (!wandev->dent)
1da177e4 LT	335	return -ENOMEM;
1da177e4 LT	336	wandev->dent->data = wandev;
	337	return 0;
	338	}
	339
	340	/*
	341	* Delete directory entry for WAN device.
	342	*/
	343	int wanrouter_proc_delete(struct wan_device* wandev)
	344	{
	345	if (wandev->magic != ROUTER_MAGIC)
	346	return -EINVAL;
	347	remove_proc_entry(wandev->name, proc_router);
	348	return 0;
	349	}
	350
	351	#else
	352
	353	/*
	354	* No /proc - output stubs
	355	*/
	356
	357	int __init wanrouter_proc_init(void)
	358	{
	359	return 0;
	360	}
	361
	362	void wanrouter_proc_cleanup(void)
	363	{
	364	}
	365
	366	int wanrouter_proc_add(struct wan_device *wandev)
	367	{
	368	return 0;
	369	}
	370
	371	int wanrouter_proc_delete(struct wan_device *wandev)
	372	{
	373	return 0;
	374	}
	375
	376	#endif
	377
	378	/*
	379	* End
	380	*/
	381