71 строка
2.0 KiB
C
71 строка
2.0 KiB
C
/*
|
|
* cfg80211 debugfs
|
|
*
|
|
* Copyright 2009 Luis R. Rodriguez <lrodriguez@atheros.com>
|
|
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include "core.h"
|
|
#include "debugfs.h"
|
|
|
|
static int cfg80211_open_file_generic(struct inode *inode, struct file *file)
|
|
{
|
|
file->private_data = inode->i_private;
|
|
return 0;
|
|
}
|
|
|
|
#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \
|
|
static ssize_t name## _read(struct file *file, char __user *userbuf, \
|
|
size_t count, loff_t *ppos) \
|
|
{ \
|
|
struct wiphy *wiphy= file->private_data; \
|
|
char buf[buflen]; \
|
|
int res; \
|
|
\
|
|
res = scnprintf(buf, buflen, fmt "\n", ##value); \
|
|
return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
|
|
} \
|
|
\
|
|
static const struct file_operations name## _ops = { \
|
|
.read = name## _read, \
|
|
.open = cfg80211_open_file_generic, \
|
|
};
|
|
|
|
DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d",
|
|
wiphy->rts_threshold)
|
|
DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d",
|
|
wiphy->frag_threshold);
|
|
DEBUGFS_READONLY_FILE(short_retry_limit, 20, "%d",
|
|
wiphy->retry_short)
|
|
DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d",
|
|
wiphy->retry_long);
|
|
|
|
#define DEBUGFS_ADD(name) \
|
|
drv->debugfs.name = debugfs_create_file(#name, S_IRUGO, phyd, \
|
|
&drv->wiphy, &name## _ops);
|
|
#define DEBUGFS_DEL(name) \
|
|
debugfs_remove(drv->debugfs.name); \
|
|
drv->debugfs.name = NULL;
|
|
|
|
void cfg80211_debugfs_drv_add(struct cfg80211_registered_device *drv)
|
|
{
|
|
struct dentry *phyd = drv->wiphy.debugfsdir;
|
|
|
|
DEBUGFS_ADD(rts_threshold);
|
|
DEBUGFS_ADD(fragmentation_threshold);
|
|
DEBUGFS_ADD(short_retry_limit);
|
|
DEBUGFS_ADD(long_retry_limit);
|
|
}
|
|
|
|
void cfg80211_debugfs_drv_del(struct cfg80211_registered_device *drv)
|
|
{
|
|
DEBUGFS_DEL(rts_threshold);
|
|
DEBUGFS_DEL(fragmentation_threshold);
|
|
DEBUGFS_DEL(short_retry_limit);
|
|
DEBUGFS_DEL(long_retry_limit);
|
|
}
|