diff options
author | Luis R. Rodriguez <lrodriguez@atheros.com> | 2009-05-02 04:37:21 (GMT) |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2009-05-20 18:46:23 (GMT) |
commit | 1ac61302dcd18880e28c29e5728cd4d0efeb5366 (patch) | |
tree | 2fa7f137b67df3f966408b016745083cae7cdefa /net/wireless/debugfs.c | |
parent | 294196ab22c91da974ba1f40d0a7cdcb0b3e6bc3 (diff) | |
download | linux-1ac61302dcd18880e28c29e5728cd4d0efeb5366.tar.xz |
mac80211/cfg80211: move wiphy specific debugfs entries to cfg80211
This moves the cfg80211 specific stuff to new cfg80211 debugfs
entries. Non-mac80211 will also get these entries now. There were
only 4 which we take:
rts_threshold
fragmentation_threshold
short_retry_limit
long_retry_limit
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless/debugfs.c')
-rw-r--r-- | net/wireless/debugfs.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c new file mode 100644 index 0000000..3211e0e --- /dev/null +++ b/net/wireless/debugfs.c @@ -0,0 +1,70 @@ +/* + * 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); +} |