git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1ac61302 LR |
1 | /* |
| 2 | * cfg80211 debugfs | |
| 3 | * | |
| 4 | * Copyright 2009 Luis R. Rodriguez <lrodriguez@atheros.com> | |
| 5 | * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> | |
| 6 | * | |
| 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. | |
| 10 | */ | |
| 11 | ||
| 12 | #include "core.h" | |
| 13 | #include "debugfs.h" | |
| 14 | ||
| 15 | static int cfg80211_open_file_generic(struct inode *inode, struct file *file) | |
| 16 | { | |
| 17 | file->private_data = inode->i_private; | |
| 18 | return 0; | |
| 19 | } | |
| 20 | ||
| 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) \ | |
| 24 | { \ | |
| 25 | struct wiphy *wiphy= file->private_data; \ | |
| 26 | char buf[buflen]; \ | |
| 27 | int res; \ | |
| 28 | \ | |
| 29 | res = scnprintf(buf, buflen, fmt "\n", ##value); \ | |
| 30 | return simple_read_from_buffer(userbuf, count, ppos, buf, res); \ | |
| 31 | } \ | |
| 32 | \ | |
| 33 | static const struct file_operations name## _ops = { \ | |
| 34 | .read = name## _read, \ | |
| 35 | .open = cfg80211_open_file_generic, \ | |
| 36 | }; | |
| 37 | ||
| 38 | DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d", | |
| 39 | wiphy->rts_threshold) | |
| 40 | DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d", | |
| 41 | wiphy->frag_threshold); | |
| 42 | DEBUGFS_READONLY_FILE(short_retry_limit, 20, "%d", | |
| 43 | wiphy->retry_short) | |
| 44 | DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d", | |
| 45 | wiphy->retry_long); | |
| 46 | ||
| 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; | |
| 53 | ||
| 54 | void cfg80211_debugfs_drv_add(struct cfg80211_registered_device *drv) | |
| 55 | { | |
| 56 | struct dentry *phyd = drv->wiphy.debugfsdir; | |
| 57 | ||
| 58 | DEBUGFS_ADD(rts_threshold); | |
| 59 | DEBUGFS_ADD(fragmentation_threshold); | |
| 60 | DEBUGFS_ADD(short_retry_limit); | |
| 61 | DEBUGFS_ADD(long_retry_limit); | |
| 62 | } | |
| 63 | ||
| 64 | void cfg80211_debugfs_drv_del(struct cfg80211_registered_device *drv) | |
| 65 | { | |
| 66 | DEBUGFS_DEL(rts_threshold); | |
| 67 | DEBUGFS_DEL(fragmentation_threshold); | |
| 68 | DEBUGFS_DEL(short_retry_limit); | |
| 69 | DEBUGFS_DEL(long_retry_limit); | |
| 70 | } |