[mirror_ubuntu-zesty-kernel.git] / net / batman-adv / bat_debugfs.c

/* Copyright (C) 2010-2012 B.A.T.M.A.N. contributors:
 *
 * Marek Lindner
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA
 */

#include "main.h"

#include <linux/debugfs.h>

#include "bat_debugfs.h"
#include "translation-table.h"
#include "originator.h"
#include "hard-interface.h"
#include "gateway_common.h"
#include "gateway_client.h"
#include "soft-interface.h"
#include "vis.h"
#include "icmp_socket.h"
#include "bridge_loop_avoidance.h"

static struct dentry *batadv_debugfs;

#ifdef CONFIG_BATMAN_ADV_DEBUG
#define BATADV_LOG_BUFF_MASK (batadv_log_buff_len - 1)
#define BATADV_LOG_BUFF(idx) (debug_log->log_buff[(idx) & BATADV_LOG_BUFF_MASK])

static int batadv_log_buff_len = BATADV_LOG_BUF_LEN;

static void batadv_emit_log_char(struct batadv_debug_log *debug_log, char c)
{
	BATADV_LOG_BUFF(debug_log->log_end) = c;
	debug_log->log_end++;

	if (debug_log->log_end - debug_log->log_start > batadv_log_buff_len)
		debug_log->log_start = debug_log->log_end - batadv_log_buff_len;
}

__printf(2, 3)
static int batadv_fdebug_log(struct batadv_debug_log *debug_log,
			     const char *fmt, ...)
{
	va_list args;
	static char debug_log_buf[256];
	char *p;

	if (!debug_log)
		return 0;

	spin_lock_bh(&debug_log->lock);
	va_start(args, fmt);
	vscnprintf(debug_log_buf, sizeof(debug_log_buf), fmt, args);
	va_end(args);

	for (p = debug_log_buf; *p != 0; p++)
		batadv_emit_log_char(debug_log, *p);

	spin_unlock_bh(&debug_log->lock);

	wake_up(&debug_log->queue_wait);

	return 0;
}

int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...)
{
	va_list args;
	char tmp_log_buf[256];

	va_start(args, fmt);
	vscnprintf(tmp_log_buf, sizeof(tmp_log_buf), fmt, args);
	batadv_fdebug_log(bat_priv->debug_log, "[%10u] %s",
			  jiffies_to_msecs(jiffies), tmp_log_buf);
	va_end(args);

	return 0;
}

static int batadv_log_open(struct inode *inode, struct file *file)
{
	nonseekable_open(inode, file);
	file->private_data = inode->i_private;
	batadv_inc_module_count();
	return 0;
}

static int batadv_log_release(struct inode *inode, struct file *file)
{
	batadv_dec_module_count();
	return 0;
}

static ssize_t batadv_log_read(struct file *file, char __user *buf,
			       size_t count, loff_t *ppos)
{
	struct batadv_priv *bat_priv = file->private_data;
	struct batadv_debug_log *debug_log = bat_priv->debug_log;
	int error, i = 0;
	char c;

	if ((file->f_flags & O_NONBLOCK) &&
	    !(debug_log->log_end - debug_log->log_start))
		return -EAGAIN;

	if (!buf)
		return -EINVAL;

	if (count == 0)
		return 0;

	if (!access_ok(VERIFY_WRITE, buf, count))
		return -EFAULT;

	error = wait_event_interruptible(debug_log->queue_wait,
				(debug_log->log_start - debug_log->log_end));

	if (error)
		return error;

	spin_lock_bh(&debug_log->lock);

	while ((!error) && (i < count) &&
	       (debug_log->log_start != debug_log->log_end)) {
		c = BATADV_LOG_BUFF(debug_log->log_start);

		debug_log->log_start++;

		spin_unlock_bh(&debug_log->lock);

		error = __put_user(c, buf);

		spin_lock_bh(&debug_log->lock);

		buf++;
		i++;

	}

	spin_unlock_bh(&debug_log->lock);

	if (!error)
		return i;

	return error;
}

static unsigned int batadv_log_poll(struct file *file, poll_table *wait)
{
	struct batadv_priv *bat_priv = file->private_data;
	struct batadv_debug_log *debug_log = bat_priv->debug_log;

	poll_wait(file, &debug_log->queue_wait, wait);

	if (debug_log->log_end - debug_log->log_start)
		return POLLIN | POLLRDNORM;

	return 0;
}

static const struct file_operations batadv_log_fops = {
	.open           = batadv_log_open,
	.release        = batadv_log_release,
	.read           = batadv_log_read,
	.poll           = batadv_log_poll,
	.llseek         = no_llseek,
};

static int batadv_debug_log_setup(struct batadv_priv *bat_priv)
{
	struct dentry *d;

	if (!bat_priv->debug_dir)
		goto err;

	bat_priv->debug_log = kzalloc(sizeof(*bat_priv->debug_log), GFP_ATOMIC);
	if (!bat_priv->debug_log)
		goto err;

	spin_lock_init(&bat_priv->debug_log->lock);
	init_waitqueue_head(&bat_priv->debug_log->queue_wait);

	d = debugfs_create_file("log", S_IFREG | S_IRUSR,
				bat_priv->debug_dir, bat_priv,
				&batadv_log_fops);
	if (!d)
		goto err;

	return 0;

err:
	return -ENOMEM;
}

static void batadv_debug_log_cleanup(struct batadv_priv *bat_priv)
{
	kfree(bat_priv->debug_log);
	bat_priv->debug_log = NULL;
}
#else /* CONFIG_BATMAN_ADV_DEBUG */
static int batadv_debug_log_setup(struct batadv_priv *bat_priv)
{
	bat_priv->debug_log = NULL;
	return 0;
}

static void batadv_debug_log_cleanup(struct batadv_priv *bat_priv)
{
	return;
}
#endif

static int batadv_algorithms_open(struct inode *inode, struct file *file)
{
	return single_open(file, batadv_algo_seq_print_text, NULL);
}

static int batadv_originators_open(struct inode *inode, struct file *file)
{
	struct net_device *net_dev = (struct net_device *)inode->i_private;
	return single_open(file, batadv_orig_seq_print_text, net_dev);
}

static int batadv_gateways_open(struct inode *inode, struct file *file)
{
	struct net_device *net_dev = (struct net_device *)inode->i_private;
	return single_open(file, batadv_gw_client_seq_print_text, net_dev);
}

static int batadv_transtable_global_open(struct inode *inode, struct file *file)
{
	struct net_device *net_dev = (struct net_device *)inode->i_private;
	return single_open(file, batadv_tt_global_seq_print_text, net_dev);
}

#ifdef CONFIG_BATMAN_ADV_BLA
static int batadv_bla_claim_table_open(struct inode *inode, struct file *file)
{
	struct net_device *net_dev = (struct net_device *)inode->i_private;
	return single_open(file, batadv_bla_claim_table_seq_print_text,
			   net_dev);
}
#endif

static int batadv_transtable_local_open(struct inode *inode, struct file *file)
{
	struct net_device *net_dev = (struct net_device *)inode->i_private;
	return single_open(file, batadv_tt_local_seq_print_text, net_dev);
}

static int batadv_vis_data_open(struct inode *inode, struct file *file)
{
	struct net_device *net_dev = (struct net_device *)inode->i_private;
	return single_open(file, batadv_vis_seq_print_text, net_dev);
}

struct batadv_debuginfo {
	struct attribute attr;
	const struct file_operations fops;
};

#define BATADV_DEBUGINFO(_name, _mode, _open)		\
struct batadv_debuginfo batadv_debuginfo_##_name = {	\
	.attr = { .name = __stringify(_name),		\
		  .mode = _mode, },			\
	.fops = { .owner = THIS_MODULE,			\
		  .open = _open,			\
		  .read	= seq_read,			\
		  .llseek = seq_lseek,			\
		  .release = single_release,		\
		}					\
};

static BATADV_DEBUGINFO(routing_algos, S_IRUGO, batadv_algorithms_open);
static BATADV_DEBUGINFO(originators, S_IRUGO, batadv_originators_open);
static BATADV_DEBUGINFO(gateways, S_IRUGO, batadv_gateways_open);
static BATADV_DEBUGINFO(transtable_global, S_IRUGO,
			batadv_transtable_global_open);
#ifdef CONFIG_BATMAN_ADV_BLA
static BATADV_DEBUGINFO(bla_claim_table, S_IRUGO, batadv_bla_claim_table_open);
#endif
static BATADV_DEBUGINFO(transtable_local, S_IRUGO,
			batadv_transtable_local_open);
static BATADV_DEBUGINFO(vis_data, S_IRUGO, batadv_vis_data_open);

static struct batadv_debuginfo *batadv_mesh_debuginfos[] = {
	&batadv_debuginfo_originators,
	&batadv_debuginfo_gateways,
	&batadv_debuginfo_transtable_global,
#ifdef CONFIG_BATMAN_ADV_BLA
	&batadv_debuginfo_bla_claim_table,
#endif
	&batadv_debuginfo_transtable_local,
	&batadv_debuginfo_vis_data,
	NULL,
};

void batadv_debugfs_init(void)
{
	struct batadv_debuginfo *bat_debug;
	struct dentry *file;

	batadv_debugfs = debugfs_create_dir(BATADV_DEBUGFS_SUBDIR, NULL);
	if (batadv_debugfs == ERR_PTR(-ENODEV))
		batadv_debugfs = NULL;

	if (!batadv_debugfs)
		goto out;

	bat_debug = &batadv_debuginfo_routing_algos;
	file = debugfs_create_file(bat_debug->attr.name,
				   S_IFREG | bat_debug->attr.mode,
				   batadv_debugfs, NULL, &bat_debug->fops);
	if (!file)
		pr_err("Can't add debugfs file: %s\n", bat_debug->attr.name);

out:
	return;
}

void batadv_debugfs_destroy(void)
{
	if (batadv_debugfs) {
		debugfs_remove_recursive(batadv_debugfs);
		batadv_debugfs = NULL;
	}
}

int batadv_debugfs_add_meshif(struct net_device *dev)
{
	struct batadv_priv *bat_priv = netdev_priv(dev);
	struct batadv_debuginfo **bat_debug;
	struct dentry *file;

	if (!batadv_debugfs)
		goto out;

	bat_priv->debug_dir = debugfs_create_dir(dev->name, batadv_debugfs);
	if (!bat_priv->debug_dir)
		goto out;

	if (batadv_socket_setup(bat_priv) < 0)
		goto rem_attr;

	if (batadv_debug_log_setup(bat_priv) < 0)
		goto rem_attr;

	for (bat_debug = batadv_mesh_debuginfos; *bat_debug; ++bat_debug) {
		file = debugfs_create_file(((*bat_debug)->attr).name,
					  S_IFREG | ((*bat_debug)->attr).mode,
					  bat_priv->debug_dir,
					  dev, &(*bat_debug)->fops);
		if (!file) {
			batadv_err(dev, "Can't add debugfs file: %s/%s\n",
				   dev->name, ((*bat_debug)->attr).name);
			goto rem_attr;
		}
	}

	return 0;
rem_attr:
	debugfs_remove_recursive(bat_priv->debug_dir);
	bat_priv->debug_dir = NULL;
out:
#ifdef CONFIG_DEBUG_FS
	return -ENOMEM;
#else
	return 0;
#endif /* CONFIG_DEBUG_FS */
}

void batadv_debugfs_del_meshif(struct net_device *dev)
{
	struct batadv_priv *bat_priv = netdev_priv(dev);

	batadv_debug_log_cleanup(bat_priv);

	if (batadv_debugfs) {
		debugfs_remove_recursive(bat_priv->debug_dir);
		bat_priv->debug_dir = NULL;
	}
}
Commit	Line	Data
9cfc7bd6	1	/* Copyright (C) 2010-2012 B.A.T.M.A.N. contributors:
c6c8fea2 SE	2	*
	3	* Marek Lindner
	4	*
	5	* This program is free software; you can redistribute it and/or
	6	* modify it under the terms of version 2 of the GNU General Public
	7	* License as published by the Free Software Foundation.
	8	*
	9	* This program is distributed in the hope that it will be useful, but
	10	* WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	12	* General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write to the Free Software
	16	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
	17	* 02110-1301, USA
c6c8fea2 SE	18	*/
	19
	20	#include "main.h"
	21
	22	#include <linux/debugfs.h>
	23
	24	#include "bat_debugfs.h"
	25	#include "translation-table.h"
	26	#include "originator.h"
	27	#include "hard-interface.h"
	28	#include "gateway_common.h"
	29	#include "gateway_client.h"
	30	#include "soft-interface.h"
	31	#include "vis.h"
	32	#include "icmp_socket.h"
9bf8e4d4	33	#include "bridge_loop_avoidance.h"
c6c8fea2	34
9e466250	35	static struct dentry *batadv_debugfs;
c6c8fea2 SE	36
c6c8fea2 SE	37	#ifdef CONFIG_BATMAN_ADV_DEBUG
347c80f0 SE	38	#define BATADV_LOG_BUFF_MASK (batadv_log_buff_len - 1)
347c80f0 SE	39	#define BATADV_LOG_BUFF(idx) (debug_log->log_buff[(idx) & BATADV_LOG_BUFF_MASK])
c6c8fea2	40
42d0b044	41	static int batadv_log_buff_len = BATADV_LOG_BUF_LEN;
c6c8fea2	42
56303d34	43	static void batadv_emit_log_char(struct batadv_debug_log *debug_log, char c)
c6c8fea2	44	{
347c80f0	45	BATADV_LOG_BUFF(debug_log->log_end) = c;
c6c8fea2 SE	46	debug_log->log_end++;
c6c8fea2 SE	47
9e466250 SE	48	if (debug_log->log_end - debug_log->log_start > batadv_log_buff_len)
9e466250 SE	49	debug_log->log_start = debug_log->log_end - batadv_log_buff_len;
c6c8fea2 SE	50	}
c6c8fea2 SE	51
d3a547be	52	__printf(2, 3)
56303d34 SE	53	static int batadv_fdebug_log(struct batadv_debug_log *debug_log,
56303d34 SE	54	const char *fmt, ...)
c6c8fea2	55	{
c6c8fea2 SE	56	va_list args;
	57	static char debug_log_buf[256];
	58	char *p;
	59
	60	if (!debug_log)
	61	return 0;
	62
	63	spin_lock_bh(&debug_log->lock);
	64	va_start(args, fmt);
1299bdaa	65	vscnprintf(debug_log_buf, sizeof(debug_log_buf), fmt, args);
c6c8fea2 SE	66	va_end(args);
	67
	68	for (p = debug_log_buf; *p != 0; p++)
9e466250	69	batadv_emit_log_char(debug_log, *p);
c6c8fea2 SE	70
	71	spin_unlock_bh(&debug_log->lock);
	72
	73	wake_up(&debug_log->queue_wait);
	74
	75	return 0;
	76	}
	77
56303d34	78	int batadv_debug_log(struct batadv_priv bat_priv, const char fmt, ...)
c6c8fea2 SE	79	{
	80	va_list args;
	81	char tmp_log_buf[256];
	82
	83	va_start(args, fmt);
	84	vscnprintf(tmp_log_buf, sizeof(tmp_log_buf), fmt, args);
9e466250 SE	85	batadv_fdebug_log(bat_priv->debug_log, "[%10u] %s",
9e466250 SE	86	jiffies_to_msecs(jiffies), tmp_log_buf);
c6c8fea2 SE	87	va_end(args);
	88
	89	return 0;
	90	}
	91
9e466250	92	static int batadv_log_open(struct inode inode, struct file file)
c6c8fea2 SE	93	{
	94	nonseekable_open(inode, file);
	95	file->private_data = inode->i_private;
3193e8fd	96	batadv_inc_module_count();
c6c8fea2 SE	97	return 0;
	98	}
	99
9e466250	100	static int batadv_log_release(struct inode inode, struct file file)
c6c8fea2	101	{
3193e8fd	102	batadv_dec_module_count();
c6c8fea2 SE	103	return 0;
	104	}
	105
9e466250 SE	106	static ssize_t batadv_log_read(struct file file, char __user buf,
9e466250 SE	107	size_t count, loff_t *ppos)
c6c8fea2	108	{
56303d34 SE	109	struct batadv_priv *bat_priv = file->private_data;
56303d34 SE	110	struct batadv_debug_log *debug_log = bat_priv->debug_log;
c6c8fea2 SE	111	int error, i = 0;
	112	char c;
	113
	114	if ((file->f_flags & O_NONBLOCK) &&
	115	!(debug_log->log_end - debug_log->log_start))
	116	return -EAGAIN;
	117
16f14b45	118	if (!buf)
c6c8fea2 SE	119	return -EINVAL;
	120
	121	if (count == 0)
	122	return 0;
	123
	124	if (!access_ok(VERIFY_WRITE, buf, count))
	125	return -EFAULT;
	126
	127	error = wait_event_interruptible(debug_log->queue_wait,
	128	(debug_log->log_start - debug_log->log_end));
	129
	130	if (error)
	131	return error;
	132
	133	spin_lock_bh(&debug_log->lock);
	134
	135	while ((!error) && (i < count) &&
	136	(debug_log->log_start != debug_log->log_end)) {
347c80f0	137	c = BATADV_LOG_BUFF(debug_log->log_start);
c6c8fea2 SE	138
	139	debug_log->log_start++;
	140
	141	spin_unlock_bh(&debug_log->lock);
	142
	143	error = __put_user(c, buf);
	144
	145	spin_lock_bh(&debug_log->lock);
	146
	147	buf++;
	148	i++;
	149
	150	}
	151
	152	spin_unlock_bh(&debug_log->lock);
	153
	154	if (!error)
	155	return i;
	156
	157	return error;
	158	}
	159
9e466250	160	static unsigned int batadv_log_poll(struct file file, poll_table wait)
c6c8fea2	161	{
56303d34 SE	162	struct batadv_priv *bat_priv = file->private_data;
56303d34 SE	163	struct batadv_debug_log *debug_log = bat_priv->debug_log;
c6c8fea2 SE	164
	165	poll_wait(file, &debug_log->queue_wait, wait);
	166
	167	if (debug_log->log_end - debug_log->log_start)
	168	return POLLIN \| POLLRDNORM;
	169
	170	return 0;
	171	}
	172
9e466250 SE	173	static const struct file_operations batadv_log_fops = {
	174	.open = batadv_log_open,
	175	.release = batadv_log_release,
	176	.read = batadv_log_read,
	177	.poll = batadv_log_poll,
c6c8fea2 SE	178	.llseek = no_llseek,
	179	};
	180
56303d34	181	static int batadv_debug_log_setup(struct batadv_priv *bat_priv)
c6c8fea2 SE	182	{
	183	struct dentry *d;
	184
	185	if (!bat_priv->debug_dir)
	186	goto err;
	187
704509b8	188	bat_priv->debug_log = kzalloc(sizeof(*bat_priv->debug_log), GFP_ATOMIC);
c6c8fea2 SE	189	if (!bat_priv->debug_log)
	190	goto err;
	191
	192	spin_lock_init(&bat_priv->debug_log->lock);
	193	init_waitqueue_head(&bat_priv->debug_log->queue_wait);
	194
	195	d = debugfs_create_file("log", S_IFREG \| S_IRUSR,
9e466250 SE	196	bat_priv->debug_dir, bat_priv,
9e466250 SE	197	&batadv_log_fops);
5346c35e	198	if (!d)
c6c8fea2 SE	199	goto err;
	200
	201	return 0;
	202
	203	err:
5346c35e	204	return -ENOMEM;
c6c8fea2 SE	205	}
c6c8fea2 SE	206
56303d34	207	static void batadv_debug_log_cleanup(struct batadv_priv *bat_priv)
c6c8fea2 SE	208	{
	209	kfree(bat_priv->debug_log);
	210	bat_priv->debug_log = NULL;
	211	}
	212	#else /* CONFIG_BATMAN_ADV_DEBUG */
56303d34	213	static int batadv_debug_log_setup(struct batadv_priv *bat_priv)
c6c8fea2 SE	214	{
	215	bat_priv->debug_log = NULL;
	216	return 0;
	217	}
	218
56303d34	219	static void batadv_debug_log_cleanup(struct batadv_priv *bat_priv)
c6c8fea2 SE	220	{
	221	return;
	222	}
	223	#endif
	224
9e466250	225	static int batadv_algorithms_open(struct inode inode, struct file file)
1c280471	226	{
3193e8fd	227	return single_open(file, batadv_algo_seq_print_text, NULL);
1c280471 ML	228	}
1c280471 ML	229
9e466250	230	static int batadv_originators_open(struct inode inode, struct file file)
c6c8fea2 SE	231	{
c6c8fea2 SE	232	struct net_device net_dev = (struct net_device )inode->i_private;
7d211efc	233	return single_open(file, batadv_orig_seq_print_text, net_dev);
c6c8fea2 SE	234	}
c6c8fea2 SE	235
9e466250	236	static int batadv_gateways_open(struct inode inode, struct file file)
c6c8fea2 SE	237	{
c6c8fea2 SE	238	struct net_device net_dev = (struct net_device )inode->i_private;
7cf06bc6	239	return single_open(file, batadv_gw_client_seq_print_text, net_dev);
c6c8fea2 SE	240	}
c6c8fea2 SE	241
9e466250	242	static int batadv_transtable_global_open(struct inode inode, struct file file)
c6c8fea2 SE	243	{
c6c8fea2 SE	244	struct net_device net_dev = (struct net_device )inode->i_private;
08c36d3e	245	return single_open(file, batadv_tt_global_seq_print_text, net_dev);
c6c8fea2 SE	246	}
c6c8fea2 SE	247
7a5cc242	248	#ifdef CONFIG_BATMAN_ADV_BLA
9e466250	249	static int batadv_bla_claim_table_open(struct inode inode, struct file file)
9bf8e4d4 SW	250	{
9bf8e4d4 SW	251	struct net_device net_dev = (struct net_device )inode->i_private;
08adf151 SE	252	return single_open(file, batadv_bla_claim_table_seq_print_text,
08adf151 SE	253	net_dev);
9bf8e4d4	254	}
7a5cc242	255	#endif
9bf8e4d4	256
9e466250	257	static int batadv_transtable_local_open(struct inode inode, struct file file)
c6c8fea2 SE	258	{
c6c8fea2 SE	259	struct net_device net_dev = (struct net_device )inode->i_private;
08c36d3e	260	return single_open(file, batadv_tt_local_seq_print_text, net_dev);
c6c8fea2 SE	261	}
c6c8fea2 SE	262
9e466250	263	static int batadv_vis_data_open(struct inode inode, struct file file)
c6c8fea2 SE	264	{
c6c8fea2 SE	265	struct net_device net_dev = (struct net_device )inode->i_private;
d0f714f4	266	return single_open(file, batadv_vis_seq_print_text, net_dev);
c6c8fea2 SE	267	}
c6c8fea2 SE	268
7f223c0c	269	struct batadv_debuginfo {
c6c8fea2 SE	270	struct attribute attr;
	271	const struct file_operations fops;
	272	};
	273
347c80f0	274	#define BATADV_DEBUGINFO(_name, _mode, _open) \
7f223c0c	275	struct batadv_debuginfo batadv_debuginfo_##_name = { \
9e466250 SE	276	.attr = { .name = __stringify(_name), \
	277	.mode = _mode, }, \
	278	.fops = { .owner = THIS_MODULE, \
	279	.open = _open, \
	280	.read = seq_read, \
	281	.llseek = seq_lseek, \
	282	.release = single_release, \
	283	} \
c6c8fea2 SE	284	};
c6c8fea2 SE	285
347c80f0 SE	286	static BATADV_DEBUGINFO(routing_algos, S_IRUGO, batadv_algorithms_open);
	287	static BATADV_DEBUGINFO(originators, S_IRUGO, batadv_originators_open);
	288	static BATADV_DEBUGINFO(gateways, S_IRUGO, batadv_gateways_open);
	289	static BATADV_DEBUGINFO(transtable_global, S_IRUGO,
	290	batadv_transtable_global_open);
7a5cc242	291	#ifdef CONFIG_BATMAN_ADV_BLA
347c80f0	292	static BATADV_DEBUGINFO(bla_claim_table, S_IRUGO, batadv_bla_claim_table_open);
7a5cc242	293	#endif
347c80f0 SE	294	static BATADV_DEBUGINFO(transtable_local, S_IRUGO,
	295	batadv_transtable_local_open);
	296	static BATADV_DEBUGINFO(vis_data, S_IRUGO, batadv_vis_data_open);
c6c8fea2	297
7f223c0c	298	static struct batadv_debuginfo *batadv_mesh_debuginfos[] = {
9e466250 SE	299	&batadv_debuginfo_originators,
	300	&batadv_debuginfo_gateways,
	301	&batadv_debuginfo_transtable_global,
7a5cc242	302	#ifdef CONFIG_BATMAN_ADV_BLA
9e466250	303	&batadv_debuginfo_bla_claim_table,
7a5cc242	304	#endif
9e466250 SE	305	&batadv_debuginfo_transtable_local,
9e466250 SE	306	&batadv_debuginfo_vis_data,
c6c8fea2 SE	307	NULL,
	308	};
	309
40a072d7	310	void batadv_debugfs_init(void)
c6c8fea2	311	{
7f223c0c	312	struct batadv_debuginfo *bat_debug;
1c280471 ML	313	struct dentry *file;
1c280471 ML	314
54590e4d	315	batadv_debugfs = debugfs_create_dir(BATADV_DEBUGFS_SUBDIR, NULL);
9e466250 SE	316	if (batadv_debugfs == ERR_PTR(-ENODEV))
9e466250 SE	317	batadv_debugfs = NULL;
1c280471	318
9e466250	319	if (!batadv_debugfs)
1c280471 ML	320	goto out;
1c280471 ML	321
9e466250	322	bat_debug = &batadv_debuginfo_routing_algos;
1c280471 ML	323	file = debugfs_create_file(bat_debug->attr.name,
1c280471 ML	324	S_IFREG \| bat_debug->attr.mode,
9e466250	325	batadv_debugfs, NULL, &bat_debug->fops);
1c280471 ML	326	if (!file)
	327	pr_err("Can't add debugfs file: %s\n", bat_debug->attr.name);
	328
	329	out:
	330	return;
c6c8fea2 SE	331	}
c6c8fea2 SE	332
40a072d7	333	void batadv_debugfs_destroy(void)
c6c8fea2	334	{
9e466250 SE	335	if (batadv_debugfs) {
	336	debugfs_remove_recursive(batadv_debugfs);
	337	batadv_debugfs = NULL;
c6c8fea2 SE	338	}
	339	}
	340
40a072d7	341	int batadv_debugfs_add_meshif(struct net_device *dev)
c6c8fea2	342	{
56303d34	343	struct batadv_priv *bat_priv = netdev_priv(dev);
7f223c0c	344	struct batadv_debuginfo **bat_debug;
c6c8fea2 SE	345	struct dentry *file;
c6c8fea2 SE	346
9e466250	347	if (!batadv_debugfs)
c6c8fea2 SE	348	goto out;
c6c8fea2 SE	349
9e466250	350	bat_priv->debug_dir = debugfs_create_dir(dev->name, batadv_debugfs);
c6c8fea2 SE	351	if (!bat_priv->debug_dir)
	352	goto out;
	353
9039dc7e	354	if (batadv_socket_setup(bat_priv) < 0)
5346c35e SE	355	goto rem_attr;
5346c35e SE	356
9e466250	357	if (batadv_debug_log_setup(bat_priv) < 0)
5346c35e	358	goto rem_attr;
c6c8fea2	359
9e466250	360	for (bat_debug = batadv_mesh_debuginfos; *bat_debug; ++bat_debug) {
c6c8fea2 SE	361	file = debugfs_create_file(((*bat_debug)->attr).name,
	362	S_IFREG \| ((*bat_debug)->attr).mode,
	363	bat_priv->debug_dir,
	364	dev, &(*bat_debug)->fops);
	365	if (!file) {
3e34819e SE	366	batadv_err(dev, "Can't add debugfs file: %s/%s\n",
3e34819e SE	367	dev->name, ((*bat_debug)->attr).name);
c6c8fea2 SE	368	goto rem_attr;
	369	}
	370	}
	371
	372	return 0;
	373	rem_attr:
	374	debugfs_remove_recursive(bat_priv->debug_dir);
	375	bat_priv->debug_dir = NULL;
	376	out:
	377	#ifdef CONFIG_DEBUG_FS
	378	return -ENOMEM;
	379	#else
	380	return 0;
	381	#endif /* CONFIG_DEBUG_FS */
	382	}
	383
40a072d7	384	void batadv_debugfs_del_meshif(struct net_device *dev)
c6c8fea2	385	{
56303d34	386	struct batadv_priv *bat_priv = netdev_priv(dev);
c6c8fea2	387
9e466250	388	batadv_debug_log_cleanup(bat_priv);
c6c8fea2	389
9e466250	390	if (batadv_debugfs) {
c6c8fea2 SE	391	debugfs_remove_recursive(bat_priv->debug_dir);
	392	bat_priv->debug_dir = NULL;
	393	}
	394	}