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authorJiri Benc <jbenc@suse.cz>2007-05-05 14:46:38 -0400
committerDavid S. Miller <davem@davemloft.net>2007-05-05 14:46:38 -0400
commite9f207f0ff90bf60b825800d7450e6f2ff2eab88 (patch)
tree22bd39116f2cae8d4ce6169eb91e4b9a7204770f /net/mac80211/rc80211_simple.c
parentf0706e828e96d0fa4e80c0d25aa98523f6d589a0 (diff)
[MAC80211]: Add debugfs attributes.
Export various mac80211 internal variables through debugfs. Signed-off-by: Jiri Benc <jbenc@suse.cz> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac80211/rc80211_simple.c')
-rw-r--r--net/mac80211/rc80211_simple.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/net/mac80211/rc80211_simple.c b/net/mac80211/rc80211_simple.c
index 68bddaeee005..2048cfd1ca70 100644
--- a/net/mac80211/rc80211_simple.c
+++ b/net/mac80211/rc80211_simple.c
@@ -18,6 +18,7 @@
18#include <net/mac80211.h> 18#include <net/mac80211.h>
19#include "ieee80211_i.h" 19#include "ieee80211_i.h"
20#include "ieee80211_rate.h" 20#include "ieee80211_rate.h"
21#include "debugfs.h"
21 22
22 23
23/* This is a minimal implementation of TX rate controlling that can be used 24/* This is a minimal implementation of TX rate controlling that can be used
@@ -121,6 +122,11 @@ struct sta_rate_control {
121 unsigned long avg_rate_update; 122 unsigned long avg_rate_update;
122 u32 tx_avg_rate_sum; 123 u32 tx_avg_rate_sum;
123 u32 tx_avg_rate_num; 124 u32 tx_avg_rate_num;
125
126#ifdef CONFIG_MAC80211_DEBUGFS
127 struct dentry *tx_avg_rate_sum_dentry;
128 struct dentry *tx_avg_rate_num_dentry;
129#endif
124}; 130};
125 131
126 132
@@ -327,6 +333,67 @@ static void rate_control_simple_free_sta(void *priv, void *priv_sta)
327 kfree(rctrl); 333 kfree(rctrl);
328} 334}
329 335
336#ifdef CONFIG_MAC80211_DEBUGFS
337
338static int open_file_generic(struct inode *inode, struct file *file)
339{
340 file->private_data = inode->i_private;
341 return 0;
342}
343
344static ssize_t sta_tx_avg_rate_sum_read(struct file *file,
345 char __user *userbuf,
346 size_t count, loff_t *ppos)
347{
348 struct sta_rate_control *srctrl = file->private_data;
349 char buf[20];
350
351 sprintf(buf, "%d\n", srctrl->tx_avg_rate_sum);
352 return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
353}
354
355static const struct file_operations sta_tx_avg_rate_sum_ops = {
356 .read = sta_tx_avg_rate_sum_read,
357 .open = open_file_generic,
358};
359
360static ssize_t sta_tx_avg_rate_num_read(struct file *file,
361 char __user *userbuf,
362 size_t count, loff_t *ppos)
363{
364 struct sta_rate_control *srctrl = file->private_data;
365 char buf[20];
366
367 sprintf(buf, "%d\n", srctrl->tx_avg_rate_num);
368 return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
369}
370
371static const struct file_operations sta_tx_avg_rate_num_ops = {
372 .read = sta_tx_avg_rate_num_read,
373 .open = open_file_generic,
374};
375
376static void rate_control_simple_add_sta_debugfs(void *priv, void *priv_sta,
377 struct dentry *dir)
378{
379 struct sta_rate_control *srctrl = priv_sta;
380
381 srctrl->tx_avg_rate_num_dentry =
382 debugfs_create_file("rc_simple_sta_tx_avg_rate_num", 0400,
383 dir, srctrl, &sta_tx_avg_rate_num_ops);
384 srctrl->tx_avg_rate_sum_dentry =
385 debugfs_create_file("rc_simple_sta_tx_avg_rate_sum", 0400,
386 dir, srctrl, &sta_tx_avg_rate_sum_ops);
387}
388
389static void rate_control_simple_remove_sta_debugfs(void *priv, void *priv_sta)
390{
391 struct sta_rate_control *srctrl = priv_sta;
392
393 debugfs_remove(srctrl->tx_avg_rate_sum_dentry);
394 debugfs_remove(srctrl->tx_avg_rate_num_dentry);
395}
396#endif
330 397
331static struct rate_control_ops rate_control_simple = { 398static struct rate_control_ops rate_control_simple = {
332 .module = THIS_MODULE, 399 .module = THIS_MODULE,
@@ -339,6 +406,10 @@ static struct rate_control_ops rate_control_simple = {
339 .free = rate_control_simple_free, 406 .free = rate_control_simple_free,
340 .alloc_sta = rate_control_simple_alloc_sta, 407 .alloc_sta = rate_control_simple_alloc_sta,
341 .free_sta = rate_control_simple_free_sta, 408 .free_sta = rate_control_simple_free_sta,
409#ifdef CONFIG_MAC80211_DEBUGFS
410 .add_sta_debugfs = rate_control_simple_add_sta_debugfs,
411 .remove_sta_debugfs = rate_control_simple_remove_sta_debugfs,
412#endif
342}; 413};
343 414
344 415