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/*
* Copyright (C) 2010 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 <linux/debugfs.h>
#include "main.h"
#include "bat_debugfs.h"
#include "translation-table.h"
#include "originator.h"
#include "hard-interface.h"
#include "vis.h"
#include "icmp_socket.h"
static struct dentry *bat_debugfs;
static int originators_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
return single_open(file, orig_seq_print_text, net_dev);
}
static int transtable_global_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
return single_open(file, hna_global_seq_print_text, net_dev);
}
static int transtable_local_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
return single_open(file, hna_local_seq_print_text, net_dev);
}
static int vis_data_open(struct inode *inode, struct file *file)
{
struct net_device *net_dev = (struct net_device *)inode->i_private;
return single_open(file, vis_seq_print_text, net_dev);
}
struct bat_debuginfo {
struct attribute attr;
const struct file_operations fops;
};
#define BAT_DEBUGINFO(_name, _mode, _open) \
struct bat_debuginfo bat_debuginfo_##_name = { \
.attr = { .name = __stringify(_name), \
.mode = _mode, }, \
.fops = { .owner = THIS_MODULE, \
.open = _open, \
.read = seq_read, \
.llseek = seq_lseek, \
.release = single_release, \
} \
};
static BAT_DEBUGINFO(originators, S_IRUGO, originators_open);
static BAT_DEBUGINFO(transtable_global, S_IRUGO, transtable_global_open);
static BAT_DEBUGINFO(transtable_local, S_IRUGO, transtable_local_open);
static BAT_DEBUGINFO(vis_data, S_IRUGO, vis_data_open);
static struct bat_debuginfo *mesh_debuginfos[] = {
&bat_debuginfo_originators,
&bat_debuginfo_transtable_global,
&bat_debuginfo_transtable_local,
&bat_debuginfo_vis_data,
NULL,
};
void debugfs_init(void)
{
bat_debugfs = debugfs_create_dir(DEBUGFS_BAT_SUBDIR, NULL);
}
void debugfs_destroy(void)
{
if (bat_debugfs) {
debugfs_remove_recursive(bat_debugfs);
bat_debugfs = NULL;
}
}
int debugfs_add_meshif(struct net_device *dev)
{
struct bat_priv *bat_priv = netdev_priv(dev);
struct bat_debuginfo **bat_debug;
struct dentry *file;
if (!bat_debugfs)
goto out;
bat_priv->debug_dir = debugfs_create_dir(dev->name, bat_debugfs);
if (!bat_priv->debug_dir)
goto out;
bat_socket_setup(bat_priv);
for (bat_debug = 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) {
printk(KERN_ERR "batman-adv: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 debugfs_del_meshif(struct net_device *dev)
{
struct bat_priv *bat_priv = netdev_priv(dev);
if (bat_debugfs) {
debugfs_remove_recursive(bat_priv->debug_dir);
bat_priv->debug_dir = NULL;
}
}
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