4 * Copyright 2009 Luis R. Rodriguez <lrodriguez@atheros.com>
5 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
15 static int cfg80211_open_file_generic(struct inode *inode, struct file *file)
17 file->private_data = inode->i_private;
21 #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \
22 static ssize_t name## _read(struct file *file, char __user *userbuf, \
23 size_t count, loff_t *ppos) \
25 struct wiphy *wiphy= file->private_data; \
29 res = scnprintf(buf, buflen, fmt "\n", ##value); \
30 return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
33 static const struct file_operations name## _ops = { \
34 .read = name## _read, \
35 .open = cfg80211_open_file_generic, \
38 DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d",
40 DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d",
41 wiphy->frag_threshold);
42 DEBUGFS_READONLY_FILE(short_retry_limit, 20, "%d",
44 DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d",
47 #define DEBUGFS_ADD(name) \
48 drv->debugfs.name = debugfs_create_file(#name, S_IRUGO, phyd, \
49 &drv->wiphy, &name## _ops);
50 #define DEBUGFS_DEL(name) \
51 debugfs_remove(drv->debugfs.name); \
52 drv->debugfs.name = NULL;
54 void cfg80211_debugfs_drv_add(struct cfg80211_registered_device *drv)
56 struct dentry *phyd = drv->wiphy.debugfsdir;
58 DEBUGFS_ADD(rts_threshold);
59 DEBUGFS_ADD(fragmentation_threshold);
60 DEBUGFS_ADD(short_retry_limit);
61 DEBUGFS_ADD(long_retry_limit);
64 void cfg80211_debugfs_drv_del(struct cfg80211_registered_device *drv)
66 DEBUGFS_DEL(rts_threshold);
67 DEBUGFS_DEL(fragmentation_threshold);
68 DEBUGFS_DEL(short_retry_limit);
69 DEBUGFS_DEL(long_retry_limit);