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