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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
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')
-rw-r--r--net/mac80211/Kconfig9
-rw-r--r--net/mac80211/Makefile1
-rw-r--r--net/mac80211/debugfs.c433
-rw-r--r--net/mac80211/debugfs.h16
-rw-r--r--net/mac80211/debugfs_key.c252
-rw-r--r--net/mac80211/debugfs_key.h34
-rw-r--r--net/mac80211/debugfs_netdev.c440
-rw-r--r--net/mac80211/debugfs_netdev.h30
-rw-r--r--net/mac80211/debugfs_sta.c246
-rw-r--r--net/mac80211/debugfs_sta.h12
-rw-r--r--net/mac80211/ieee80211.c14
-rw-r--r--net/mac80211/ieee80211_i.h127
-rw-r--r--net/mac80211/ieee80211_iface.c8
-rw-r--r--net/mac80211/ieee80211_ioctl.c22
-rw-r--r--net/mac80211/ieee80211_key.h17
-rw-r--r--net/mac80211/ieee80211_rate.h22
-rw-r--r--net/mac80211/rc80211_simple.c71
-rw-r--r--net/mac80211/sta_info.c108
-rw-r--r--net/mac80211/sta_info.h19
19 files changed, 1866 insertions, 15 deletions
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index d761b53fb84c..6fffb3845ab6 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -20,6 +20,15 @@ config MAC80211_LEDS
20 This option enables a few LED triggers for different 20 This option enables a few LED triggers for different
21 packet receive/transmit events. 21 packet receive/transmit events.
22 22
23config MAC80211_DEBUGFS
24 bool "Export mac80211 internals in DebugFS"
25 depends on MAC80211 && DEBUG_FS
26 ---help---
27 Select this to see extensive information about
28 the internal state of mac80211 in debugfs.
29
30 Say N unless you know you need this.
31
23config MAC80211_DEBUG 32config MAC80211_DEBUG
24 bool "Enable debugging output" 33 bool "Enable debugging output"
25 depends on MAC80211 34 depends on MAC80211
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index 79dea99bb482..e9738dad2d7c 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -1,6 +1,7 @@
1obj-$(CONFIG_MAC80211) += mac80211.o rc80211_simple.o 1obj-$(CONFIG_MAC80211) += mac80211.o rc80211_simple.o
2 2
3mac80211-objs-$(CONFIG_MAC80211_LEDS) += ieee80211_led.o 3mac80211-objs-$(CONFIG_MAC80211_LEDS) += ieee80211_led.o
4mac80211-objs-$(CONFIG_MAC80211_DEBUGFS) += debugfs.o debugfs_sta.o debugfs_netdev.o debugfs_key.o
4 5
5mac80211-objs := \ 6mac80211-objs := \
6 ieee80211.o \ 7 ieee80211.o \
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
new file mode 100644
index 000000000000..bb6c0feb2d48
--- /dev/null
+++ b/net/mac80211/debugfs.c
@@ -0,0 +1,433 @@
1/*
2 * mac80211 debugfs for wireless PHYs
3 *
4 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
5 *
6 * GPLv2
7 *
8 */
9
10#include <linux/debugfs.h>
11#include <linux/rtnetlink.h>
12#include "ieee80211_i.h"
13#include "ieee80211_rate.h"
14#include "debugfs.h"
15
16int mac80211_open_file_generic(struct inode *inode, struct file *file)
17{
18 file->private_data = inode->i_private;
19 return 0;
20}
21
22static const char *ieee80211_mode_str(int mode)
23{
24 switch (mode) {
25 case MODE_IEEE80211A:
26 return "IEEE 802.11a";
27 case MODE_IEEE80211B:
28 return "IEEE 802.11b";
29 case MODE_IEEE80211G:
30 return "IEEE 802.11g";
31 case MODE_ATHEROS_TURBO:
32 return "Atheros Turbo (5 GHz)";
33 default:
34 return "UNKNOWN";
35 }
36}
37
38static ssize_t modes_read(struct file *file, char __user *userbuf,
39 size_t count, loff_t *ppos)
40{
41 struct ieee80211_local *local = file->private_data;
42 struct ieee80211_hw_mode *mode;
43 char buf[150], *p = buf;
44
45 /* FIXME: locking! */
46 list_for_each_entry(mode, &local->modes_list, list) {
47 p += scnprintf(p, sizeof(buf)+buf-p,
48 "%s\n", ieee80211_mode_str(mode->mode));
49 }
50
51 return simple_read_from_buffer(userbuf, count, ppos, buf, p-buf);
52}
53
54static const struct file_operations modes_ops = {
55 .read = modes_read,
56 .open = mac80211_open_file_generic,
57};
58
59#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \
60static ssize_t name## _read(struct file *file, char __user *userbuf, \
61 size_t count, loff_t *ppos) \
62{ \
63 struct ieee80211_local *local = file->private_data; \
64 char buf[buflen]; \
65 int res; \
66 \
67 res = scnprintf(buf, buflen, fmt "\n", ##value); \
68 return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
69} \
70 \
71static const struct file_operations name## _ops = { \
72 .read = name## _read, \
73 .open = mac80211_open_file_generic, \
74};
75
76#define DEBUGFS_ADD(name) \
77 local->debugfs.name = debugfs_create_file(#name, 0444, phyd, \
78 local, &name## _ops);
79
80#define DEBUGFS_DEL(name) \
81 debugfs_remove(local->debugfs.name); \
82 local->debugfs.name = NULL;
83
84
85DEBUGFS_READONLY_FILE(channel, 20, "%d",
86 local->hw.conf.channel);
87DEBUGFS_READONLY_FILE(frequency, 20, "%d",
88 local->hw.conf.freq);
89DEBUGFS_READONLY_FILE(radar_detect, 20, "%d",
90 local->hw.conf.radar_detect);
91DEBUGFS_READONLY_FILE(antenna_sel_tx, 20, "%d",
92 local->hw.conf.antenna_sel_tx);
93DEBUGFS_READONLY_FILE(antenna_sel_rx, 20, "%d",
94 local->hw.conf.antenna_sel_rx);
95DEBUGFS_READONLY_FILE(bridge_packets, 20, "%d",
96 local->bridge_packets);
97DEBUGFS_READONLY_FILE(key_tx_rx_threshold, 20, "%d",
98 local->key_tx_rx_threshold);
99DEBUGFS_READONLY_FILE(rts_threshold, 20, "%d",
100 local->rts_threshold);
101DEBUGFS_READONLY_FILE(fragmentation_threshold, 20, "%d",
102 local->fragmentation_threshold);
103DEBUGFS_READONLY_FILE(short_retry_limit, 20, "%d",
104 local->short_retry_limit);
105DEBUGFS_READONLY_FILE(long_retry_limit, 20, "%d",
106 local->long_retry_limit);
107DEBUGFS_READONLY_FILE(total_ps_buffered, 20, "%d",
108 local->total_ps_buffered);
109DEBUGFS_READONLY_FILE(mode, 20, "%s",
110 ieee80211_mode_str(local->hw.conf.phymode));
111DEBUGFS_READONLY_FILE(wep_iv, 20, "%#06x",
112 local->wep_iv & 0xffffff);
113DEBUGFS_READONLY_FILE(tx_power_reduction, 20, "%d.%d dBm",
114 local->hw.conf.tx_power_reduction / 10,
115 local->hw.conf.tx_power_reduction & 10);
116DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s",
117 local->rate_ctrl ? local->rate_ctrl->ops->name : "<unset>");
118
119/* statistics stuff */
120
121static inline int rtnl_lock_local(struct ieee80211_local *local)
122{
123 rtnl_lock();
124 if (unlikely(local->reg_state != IEEE80211_DEV_REGISTERED)) {
125 rtnl_unlock();
126 return -ENODEV;
127 }
128 return 0;
129}
130
131#define DEBUGFS_STATS_FILE(name, buflen, fmt, value...) \
132 DEBUGFS_READONLY_FILE(stats_ ##name, buflen, fmt, ##value)
133
134static ssize_t format_devstat_counter(struct ieee80211_local *local,
135 char __user *userbuf,
136 size_t count, loff_t *ppos,
137 int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf,
138 int buflen))
139{
140 struct ieee80211_low_level_stats stats;
141 char buf[20];
142 int res;
143
144 if (!local->ops->get_stats)
145 return -EOPNOTSUPP;
146
147 res = rtnl_lock_local(local);
148 if (res)
149 return res;
150
151 res = local->ops->get_stats(local_to_hw(local), &stats);
152 rtnl_unlock();
153 if (!res)
154 res = printvalue(&stats, buf, sizeof(buf));
155 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
156}
157
158#define DEBUGFS_DEVSTATS_FILE(name) \
159static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\
160 char *buf, int buflen) \
161{ \
162 return scnprintf(buf, buflen, "%u\n", stats->name); \
163} \
164static ssize_t stats_ ##name## _read(struct file *file, \
165 char __user *userbuf, \
166 size_t count, loff_t *ppos) \
167{ \
168 return format_devstat_counter(file->private_data, \
169 userbuf, \
170 count, \
171 ppos, \
172 print_devstats_##name); \
173} \
174 \
175static const struct file_operations stats_ ##name## _ops = { \
176 .read = stats_ ##name## _read, \
177 .open = mac80211_open_file_generic, \
178};
179
180#define DEBUGFS_STATS_ADD(name) \
181 local->debugfs.stats.name = debugfs_create_file(#name, 0444, statsd,\
182 local, &stats_ ##name## _ops);
183
184#define DEBUGFS_STATS_DEL(name) \
185 debugfs_remove(local->debugfs.stats.name); \
186 local->debugfs.stats.name = NULL;
187
188DEBUGFS_STATS_FILE(transmitted_fragment_count, 20, "%u",
189 local->dot11TransmittedFragmentCount);
190DEBUGFS_STATS_FILE(multicast_transmitted_frame_count, 20, "%u",
191 local->dot11MulticastTransmittedFrameCount);
192DEBUGFS_STATS_FILE(failed_count, 20, "%u",
193 local->dot11FailedCount);
194DEBUGFS_STATS_FILE(retry_count, 20, "%u",
195 local->dot11RetryCount);
196DEBUGFS_STATS_FILE(multiple_retry_count, 20, "%u",
197 local->dot11MultipleRetryCount);
198DEBUGFS_STATS_FILE(frame_duplicate_count, 20, "%u",
199 local->dot11FrameDuplicateCount);
200DEBUGFS_STATS_FILE(received_fragment_count, 20, "%u",
201 local->dot11ReceivedFragmentCount);
202DEBUGFS_STATS_FILE(multicast_received_frame_count, 20, "%u",
203 local->dot11MulticastReceivedFrameCount);
204DEBUGFS_STATS_FILE(transmitted_frame_count, 20, "%u",
205 local->dot11TransmittedFrameCount);
206DEBUGFS_STATS_FILE(wep_undecryptable_count, 20, "%u",
207 local->dot11WEPUndecryptableCount);
208#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
209DEBUGFS_STATS_FILE(tx_handlers_drop, 20, "%u",
210 local->tx_handlers_drop);
211DEBUGFS_STATS_FILE(tx_handlers_queued, 20, "%u",
212 local->tx_handlers_queued);
213DEBUGFS_STATS_FILE(tx_handlers_drop_unencrypted, 20, "%u",
214 local->tx_handlers_drop_unencrypted);
215DEBUGFS_STATS_FILE(tx_handlers_drop_fragment, 20, "%u",
216 local->tx_handlers_drop_fragment);
217DEBUGFS_STATS_FILE(tx_handlers_drop_wep, 20, "%u",
218 local->tx_handlers_drop_wep);
219DEBUGFS_STATS_FILE(tx_handlers_drop_not_assoc, 20, "%u",
220 local->tx_handlers_drop_not_assoc);
221DEBUGFS_STATS_FILE(tx_handlers_drop_unauth_port, 20, "%u",
222 local->tx_handlers_drop_unauth_port);
223DEBUGFS_STATS_FILE(rx_handlers_drop, 20, "%u",
224 local->rx_handlers_drop);
225DEBUGFS_STATS_FILE(rx_handlers_queued, 20, "%u",
226 local->rx_handlers_queued);
227DEBUGFS_STATS_FILE(rx_handlers_drop_nullfunc, 20, "%u",
228 local->rx_handlers_drop_nullfunc);
229DEBUGFS_STATS_FILE(rx_handlers_drop_defrag, 20, "%u",
230 local->rx_handlers_drop_defrag);
231DEBUGFS_STATS_FILE(rx_handlers_drop_short, 20, "%u",
232 local->rx_handlers_drop_short);
233DEBUGFS_STATS_FILE(rx_handlers_drop_passive_scan, 20, "%u",
234 local->rx_handlers_drop_passive_scan);
235DEBUGFS_STATS_FILE(tx_expand_skb_head, 20, "%u",
236 local->tx_expand_skb_head);
237DEBUGFS_STATS_FILE(tx_expand_skb_head_cloned, 20, "%u",
238 local->tx_expand_skb_head_cloned);
239DEBUGFS_STATS_FILE(rx_expand_skb_head, 20, "%u",
240 local->rx_expand_skb_head);
241DEBUGFS_STATS_FILE(rx_expand_skb_head2, 20, "%u",
242 local->rx_expand_skb_head2);
243DEBUGFS_STATS_FILE(rx_handlers_fragments, 20, "%u",
244 local->rx_handlers_fragments);
245DEBUGFS_STATS_FILE(tx_status_drop, 20, "%u",
246 local->tx_status_drop);
247
248static ssize_t stats_wme_rx_queue_read(struct file *file,
249 char __user *userbuf,
250 size_t count, loff_t *ppos)
251{
252 struct ieee80211_local *local = file->private_data;
253 char buf[NUM_RX_DATA_QUEUES*15], *p = buf;
254 int i;
255
256 for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
257 p += scnprintf(p, sizeof(buf)+buf-p,
258 "%u\n", local->wme_rx_queue[i]);
259
260 return simple_read_from_buffer(userbuf, count, ppos, buf, p-buf);
261}
262
263static const struct file_operations stats_wme_rx_queue_ops = {
264 .read = stats_wme_rx_queue_read,
265 .open = mac80211_open_file_generic,
266};
267
268static ssize_t stats_wme_tx_queue_read(struct file *file,
269 char __user *userbuf,
270 size_t count, loff_t *ppos)
271{
272 struct ieee80211_local *local = file->private_data;
273 char buf[NUM_TX_DATA_QUEUES*15], *p = buf;
274 int i;
275
276 for (i = 0; i < NUM_TX_DATA_QUEUES; i++)
277 p += scnprintf(p, sizeof(buf)+buf-p,
278 "%u\n", local->wme_tx_queue[i]);
279
280 return simple_read_from_buffer(userbuf, count, ppos, buf, p-buf);
281}
282
283static const struct file_operations stats_wme_tx_queue_ops = {
284 .read = stats_wme_tx_queue_read,
285 .open = mac80211_open_file_generic,
286};
287#endif
288
289DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount);
290DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount);
291DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount);
292DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount);
293
294
295void debugfs_hw_add(struct ieee80211_local *local)
296{
297 struct dentry *phyd = local->hw.wiphy->debugfsdir;
298 struct dentry *statsd;
299
300 if (!phyd)
301 return;
302
303 local->debugfs.stations = debugfs_create_dir("stations", phyd);
304 local->debugfs.keys = debugfs_create_dir("keys", phyd);
305
306 DEBUGFS_ADD(channel);
307 DEBUGFS_ADD(frequency);
308 DEBUGFS_ADD(radar_detect);
309 DEBUGFS_ADD(antenna_sel_tx);
310 DEBUGFS_ADD(antenna_sel_rx);
311 DEBUGFS_ADD(bridge_packets);
312 DEBUGFS_ADD(key_tx_rx_threshold);
313 DEBUGFS_ADD(rts_threshold);
314 DEBUGFS_ADD(fragmentation_threshold);
315 DEBUGFS_ADD(short_retry_limit);
316 DEBUGFS_ADD(long_retry_limit);
317 DEBUGFS_ADD(total_ps_buffered);
318 DEBUGFS_ADD(mode);
319 DEBUGFS_ADD(wep_iv);
320 DEBUGFS_ADD(tx_power_reduction);
321 DEBUGFS_ADD(modes);
322
323 statsd = debugfs_create_dir("statistics", phyd);
324 local->debugfs.statistics = statsd;
325
326 /* if the dir failed, don't put all the other things into the root! */
327 if (!statsd)
328 return;
329
330 DEBUGFS_STATS_ADD(transmitted_fragment_count);
331 DEBUGFS_STATS_ADD(multicast_transmitted_frame_count);
332 DEBUGFS_STATS_ADD(failed_count);
333 DEBUGFS_STATS_ADD(retry_count);
334 DEBUGFS_STATS_ADD(multiple_retry_count);
335 DEBUGFS_STATS_ADD(frame_duplicate_count);
336 DEBUGFS_STATS_ADD(received_fragment_count);
337 DEBUGFS_STATS_ADD(multicast_received_frame_count);
338 DEBUGFS_STATS_ADD(transmitted_frame_count);
339 DEBUGFS_STATS_ADD(wep_undecryptable_count);
340#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
341 DEBUGFS_STATS_ADD(tx_handlers_drop);
342 DEBUGFS_STATS_ADD(tx_handlers_queued);
343 DEBUGFS_STATS_ADD(tx_handlers_drop_unencrypted);
344 DEBUGFS_STATS_ADD(tx_handlers_drop_fragment);
345 DEBUGFS_STATS_ADD(tx_handlers_drop_wep);
346 DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc);
347 DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port);
348 DEBUGFS_STATS_ADD(rx_handlers_drop);
349 DEBUGFS_STATS_ADD(rx_handlers_queued);
350 DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc);
351 DEBUGFS_STATS_ADD(rx_handlers_drop_defrag);
352 DEBUGFS_STATS_ADD(rx_handlers_drop_short);
353 DEBUGFS_STATS_ADD(rx_handlers_drop_passive_scan);
354 DEBUGFS_STATS_ADD(tx_expand_skb_head);
355 DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
356 DEBUGFS_STATS_ADD(rx_expand_skb_head);
357 DEBUGFS_STATS_ADD(rx_expand_skb_head2);
358 DEBUGFS_STATS_ADD(rx_handlers_fragments);
359 DEBUGFS_STATS_ADD(tx_status_drop);
360 DEBUGFS_STATS_ADD(wme_tx_queue);
361 DEBUGFS_STATS_ADD(wme_rx_queue);
362#endif
363 DEBUGFS_STATS_ADD(dot11ACKFailureCount);
364 DEBUGFS_STATS_ADD(dot11RTSFailureCount);
365 DEBUGFS_STATS_ADD(dot11FCSErrorCount);
366 DEBUGFS_STATS_ADD(dot11RTSSuccessCount);
367}
368
369void debugfs_hw_del(struct ieee80211_local *local)
370{
371 DEBUGFS_DEL(channel);
372 DEBUGFS_DEL(frequency);
373 DEBUGFS_DEL(radar_detect);
374 DEBUGFS_DEL(antenna_sel_tx);
375 DEBUGFS_DEL(antenna_sel_rx);
376 DEBUGFS_DEL(bridge_packets);
377 DEBUGFS_DEL(key_tx_rx_threshold);
378 DEBUGFS_DEL(rts_threshold);
379 DEBUGFS_DEL(fragmentation_threshold);
380 DEBUGFS_DEL(short_retry_limit);
381 DEBUGFS_DEL(long_retry_limit);
382 DEBUGFS_DEL(total_ps_buffered);
383 DEBUGFS_DEL(mode);
384 DEBUGFS_DEL(wep_iv);
385 DEBUGFS_DEL(tx_power_reduction);
386 DEBUGFS_DEL(modes);
387
388 DEBUGFS_STATS_DEL(transmitted_fragment_count);
389 DEBUGFS_STATS_DEL(multicast_transmitted_frame_count);
390 DEBUGFS_STATS_DEL(failed_count);
391 DEBUGFS_STATS_DEL(retry_count);
392 DEBUGFS_STATS_DEL(multiple_retry_count);
393 DEBUGFS_STATS_DEL(frame_duplicate_count);
394 DEBUGFS_STATS_DEL(received_fragment_count);
395 DEBUGFS_STATS_DEL(multicast_received_frame_count);
396 DEBUGFS_STATS_DEL(transmitted_frame_count);
397 DEBUGFS_STATS_DEL(wep_undecryptable_count);
398 DEBUGFS_STATS_DEL(num_scans);
399#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
400 DEBUGFS_STATS_DEL(tx_handlers_drop);
401 DEBUGFS_STATS_DEL(tx_handlers_queued);
402 DEBUGFS_STATS_DEL(tx_handlers_drop_unencrypted);
403 DEBUGFS_STATS_DEL(tx_handlers_drop_fragment);
404 DEBUGFS_STATS_DEL(tx_handlers_drop_wep);
405 DEBUGFS_STATS_DEL(tx_handlers_drop_not_assoc);
406 DEBUGFS_STATS_DEL(tx_handlers_drop_unauth_port);
407 DEBUGFS_STATS_DEL(rx_handlers_drop);
408 DEBUGFS_STATS_DEL(rx_handlers_queued);
409 DEBUGFS_STATS_DEL(rx_handlers_drop_nullfunc);
410 DEBUGFS_STATS_DEL(rx_handlers_drop_defrag);
411 DEBUGFS_STATS_DEL(rx_handlers_drop_short);
412 DEBUGFS_STATS_DEL(rx_handlers_drop_passive_scan);
413 DEBUGFS_STATS_DEL(tx_expand_skb_head);
414 DEBUGFS_STATS_DEL(tx_expand_skb_head_cloned);
415 DEBUGFS_STATS_DEL(rx_expand_skb_head);
416 DEBUGFS_STATS_DEL(rx_expand_skb_head2);
417 DEBUGFS_STATS_DEL(rx_handlers_fragments);
418 DEBUGFS_STATS_DEL(tx_status_drop);
419 DEBUGFS_STATS_DEL(wme_tx_queue);
420 DEBUGFS_STATS_DEL(wme_rx_queue);
421#endif
422 DEBUGFS_STATS_DEL(dot11ACKFailureCount);
423 DEBUGFS_STATS_DEL(dot11RTSFailureCount);
424 DEBUGFS_STATS_DEL(dot11FCSErrorCount);
425 DEBUGFS_STATS_DEL(dot11RTSSuccessCount);
426
427 debugfs_remove(local->debugfs.statistics);
428 local->debugfs.statistics = NULL;
429 debugfs_remove(local->debugfs.stations);
430 local->debugfs.stations = NULL;
431 debugfs_remove(local->debugfs.keys);
432 local->debugfs.keys = NULL;
433}
diff --git a/net/mac80211/debugfs.h b/net/mac80211/debugfs.h
new file mode 100644
index 000000000000..dd2541935c27
--- /dev/null
+++ b/net/mac80211/debugfs.h
@@ -0,0 +1,16 @@
1#ifndef __MAC80211_DEBUGFS_H
2#define __MAC80211_DEBUGFS_H
3
4#ifdef CONFIG_MAC80211_DEBUGFS
5extern void debugfs_hw_add(struct ieee80211_local *local);
6extern void debugfs_hw_del(struct ieee80211_local *local);
7extern int mac80211_open_file_generic(struct inode *inode, struct file *file);
8#else
9static inline void debugfs_hw_add(struct ieee80211_local *local)
10{
11 return;
12}
13static inline void debugfs_hw_del(struct ieee80211_local *local) {}
14#endif
15
16#endif /* __MAC80211_DEBUGFS_H */
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
new file mode 100644
index 000000000000..7d56dc9e7326
--- /dev/null
+++ b/net/mac80211/debugfs_key.c
@@ -0,0 +1,252 @@
1/*
2 * Copyright 2003-2005 Devicescape Software, Inc.
3 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
4 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#include <linux/kobject.h>
12#include "ieee80211_i.h"
13#include "ieee80211_key.h"
14#include "debugfs.h"
15#include "debugfs_key.h"
16
17#define KEY_READ(name, buflen, format_string) \
18static ssize_t key_##name##_read(struct file *file, \
19 char __user *userbuf, \
20 size_t count, loff_t *ppos) \
21{ \
22 char buf[buflen]; \
23 struct ieee80211_key *key = file->private_data; \
24 int res = scnprintf(buf, buflen, format_string, key->name); \
25 return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
26}
27#define KEY_READ_D(name) KEY_READ(name, 20, "%d\n")
28
29#define KEY_OPS(name) \
30static const struct file_operations key_ ##name## _ops = { \
31 .read = key_##name##_read, \
32 .open = mac80211_open_file_generic, \
33}
34
35#define KEY_FILE(name, format) \
36 KEY_READ_##format(name) \
37 KEY_OPS(name)
38
39KEY_FILE(keylen, D);
40KEY_FILE(force_sw_encrypt, D);
41KEY_FILE(keyidx, D);
42KEY_FILE(hw_key_idx, D);
43KEY_FILE(tx_rx_count, D);
44
45static ssize_t key_algorithm_read(struct file *file,
46 char __user *userbuf,
47 size_t count, loff_t *ppos)
48{
49 char *alg;
50 struct ieee80211_key *key = file->private_data;
51
52 switch (key->alg) {
53 case ALG_WEP:
54 alg = "WEP\n";
55 break;
56 case ALG_TKIP:
57 alg = "TKIP\n";
58 break;
59 case ALG_CCMP:
60 alg = "CCMP\n";
61 break;
62 default:
63 return 0;
64 }
65 return simple_read_from_buffer(userbuf, count, ppos, alg, strlen(alg));
66}
67KEY_OPS(algorithm);
68
69static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
70 size_t count, loff_t *ppos)
71{
72 const u8 *tpn;
73 char buf[20];
74 int len;
75 struct ieee80211_key *key = file->private_data;
76
77 switch (key->alg) {
78 case ALG_WEP:
79 len = scnprintf(buf, sizeof(buf), "\n");
80 case ALG_TKIP:
81 len = scnprintf(buf, sizeof(buf), "%08x %04x\n",
82 key->u.tkip.iv32,
83 key->u.tkip.iv16);
84 case ALG_CCMP:
85 tpn = key->u.ccmp.tx_pn;
86 len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
87 tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]);
88 default:
89 return 0;
90 }
91 return simple_read_from_buffer(userbuf, count, ppos, buf, len);
92}
93KEY_OPS(tx_spec);
94
95static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
96 size_t count, loff_t *ppos)
97{
98 struct ieee80211_key *key = file->private_data;
99 char buf[14*NUM_RX_DATA_QUEUES+1], *p = buf;
100 int i, len;
101 const u8 *rpn;
102
103 switch (key->alg) {
104 case ALG_WEP:
105 len = scnprintf(buf, sizeof(buf), "\n");
106 case ALG_TKIP:
107 for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
108 p += scnprintf(p, sizeof(buf)+buf-p,
109 "%08x %04x\n",
110 key->u.tkip.iv32_rx[i],
111 key->u.tkip.iv16_rx[i]);
112 len = p - buf;
113 case ALG_CCMP:
114 for (i = 0; i < NUM_RX_DATA_QUEUES; i++) {
115 rpn = key->u.ccmp.rx_pn[i];
116 p += scnprintf(p, sizeof(buf)+buf-p,
117 "%02x%02x%02x%02x%02x%02x\n",
118 rpn[0], rpn[1], rpn[2],
119 rpn[3], rpn[4], rpn[5]);
120 }
121 len = p - buf;
122 default:
123 return 0;
124 }
125 return simple_read_from_buffer(userbuf, count, ppos, buf, len);
126}
127KEY_OPS(rx_spec);
128
129static ssize_t key_replays_read(struct file *file, char __user *userbuf,
130 size_t count, loff_t *ppos)
131{
132 struct ieee80211_key *key = file->private_data;
133 char buf[20];
134 int len;
135
136 if (key->alg != ALG_CCMP)
137 return 0;
138 len = scnprintf(buf, sizeof(buf), "%u\n", key->u.ccmp.replays);
139 return simple_read_from_buffer(userbuf, count, ppos, buf, len);
140}
141KEY_OPS(replays);
142
143static ssize_t key_key_read(struct file *file, char __user *userbuf,
144 size_t count, loff_t *ppos)
145{
146 struct ieee80211_key *key = file->private_data;
147 int i, res, bufsize = 2*key->keylen+2;
148 char *buf = kmalloc(bufsize, GFP_KERNEL);
149 char *p = buf;
150
151 for (i = 0; i < key->keylen; i++)
152 p += scnprintf(p, bufsize+buf-p, "%02x", key->key[i]);
153 p += scnprintf(p, bufsize+buf-p, "\n");
154 res = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
155 kfree(buf);
156 return res;
157}
158KEY_OPS(key);
159
160#define DEBUGFS_ADD(name) \
161 key->debugfs.name = debugfs_create_file(#name, 0400,\
162 key->debugfs.dir, key, &key_##name##_ops);
163
164void ieee80211_debugfs_key_add(struct ieee80211_local *local,
165 struct ieee80211_key *key)
166{
167 char buf[20];
168
169 if (!local->debugfs.keys)
170 return;
171
172 sprintf(buf, "%d", key->keyidx);
173 key->debugfs.dir = debugfs_create_dir(buf,
174 local->debugfs.keys);
175
176 if (!key->debugfs.dir)
177 return;
178
179 DEBUGFS_ADD(keylen);
180 DEBUGFS_ADD(force_sw_encrypt);
181 DEBUGFS_ADD(keyidx);
182 DEBUGFS_ADD(hw_key_idx);
183 DEBUGFS_ADD(tx_rx_count);
184 DEBUGFS_ADD(algorithm);
185 DEBUGFS_ADD(tx_spec);
186 DEBUGFS_ADD(rx_spec);
187 DEBUGFS_ADD(replays);
188 DEBUGFS_ADD(key);
189};
190
191#define DEBUGFS_DEL(name) \
192 debugfs_remove(key->debugfs.name); key->debugfs.name = NULL;
193
194void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
195{
196 if (!key)
197 return;
198
199 DEBUGFS_DEL(keylen);
200 DEBUGFS_DEL(force_sw_encrypt);
201 DEBUGFS_DEL(keyidx);
202 DEBUGFS_DEL(hw_key_idx);
203 DEBUGFS_DEL(tx_rx_count);
204 DEBUGFS_DEL(algorithm);
205 DEBUGFS_DEL(tx_spec);
206 DEBUGFS_DEL(rx_spec);
207 DEBUGFS_DEL(replays);
208 DEBUGFS_DEL(key);
209
210 debugfs_remove(key->debugfs.stalink);
211 key->debugfs.stalink = NULL;
212 debugfs_remove(key->debugfs.dir);
213 key->debugfs.dir = NULL;
214}
215void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
216{
217 char buf[50];
218
219 if (!sdata->debugfsdir)
220 return;
221
222 sprintf(buf, "../keys/%d", sdata->default_key->keyidx);
223 sdata->debugfs.default_key =
224 debugfs_create_symlink("default_key", sdata->debugfsdir, buf);
225}
226void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata)
227{
228 if (!sdata)
229 return;
230
231 debugfs_remove(sdata->debugfs.default_key);
232 sdata->debugfs.default_key = NULL;
233}
234void ieee80211_debugfs_key_sta_link(struct ieee80211_key *key,
235 struct sta_info *sta)
236{
237 char buf[50];
238
239 if (!key->debugfs.dir)
240 return;
241
242 sprintf(buf, "../sta/" MAC_FMT, MAC_ARG(sta->addr));
243 key->debugfs.stalink =
244 debugfs_create_symlink("station", key->debugfs.dir, buf);
245}
246
247void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
248 struct sta_info *sta)
249{
250 debugfs_remove(key->debugfs.stalink);
251 key->debugfs.stalink = NULL;
252}
diff --git a/net/mac80211/debugfs_key.h b/net/mac80211/debugfs_key.h
new file mode 100644
index 000000000000..aecfce395da6
--- /dev/null
+++ b/net/mac80211/debugfs_key.h
@@ -0,0 +1,34 @@
1#ifndef __MAC80211_DEBUGFS_KEY_H
2#define __MAC80211_DEBUGFS_KEY_H
3
4#ifdef CONFIG_MAC80211_DEBUGFS
5void ieee80211_debugfs_key_add(struct ieee80211_local *local,
6 struct ieee80211_key *key);
7void ieee80211_debugfs_key_remove(struct ieee80211_key *key);
8void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata);
9void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata);
10void ieee80211_debugfs_key_sta_link(struct ieee80211_key *key,
11 struct sta_info *sta);
12void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
13 struct sta_info *sta);
14#else
15static inline void ieee80211_debugfs_key_add(struct ieee80211_local *local,
16 struct ieee80211_key *key)
17{}
18static inline void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
19{}
20static inline void ieee80211_debugfs_key_add_default(
21 struct ieee80211_sub_if_data *sdata)
22{}
23static inline void ieee80211_debugfs_key_remove_default(
24 struct ieee80211_sub_if_data *sdata)
25{}
26static inline void ieee80211_debugfs_key_sta_link(
27 struct ieee80211_key *key, struct sta_info *sta)
28{}
29static inline void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,
30 struct sta_info *sta)
31{}
32#endif
33
34#endif /* __MAC80211_DEBUGFS_KEY_H */
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
new file mode 100644
index 000000000000..9e3964638bad
--- /dev/null
+++ b/net/mac80211/debugfs_netdev.c
@@ -0,0 +1,440 @@
1/*
2 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
3 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 */
9
10#include <linux/kernel.h>
11#include <linux/device.h>
12#include <linux/if.h>
13#include <linux/interrupt.h>
14#include <linux/netdevice.h>
15#include <linux/rtnetlink.h>
16#include <linux/notifier.h>
17#include <net/mac80211.h>
18#include <net/cfg80211.h>
19#include "ieee80211_i.h"
20#include "ieee80211_rate.h"
21#include "debugfs.h"
22#include "debugfs_netdev.h"
23
24static ssize_t ieee80211_if_read(
25 struct ieee80211_sub_if_data *sdata,
26 char __user *userbuf,
27 size_t count, loff_t *ppos,
28 ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
29{
30 char buf[70];
31 ssize_t ret = -EINVAL;
32
33 read_lock(&dev_base_lock);
34 if (sdata->dev->reg_state == NETREG_REGISTERED) {
35 ret = (*format)(sdata, buf, sizeof(buf));
36 ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
37 }
38 read_unlock(&dev_base_lock);
39 return ret;
40}
41
42#define IEEE80211_IF_FMT(name, field, format_string) \
43static ssize_t ieee80211_if_fmt_##name( \
44 const struct ieee80211_sub_if_data *sdata, char *buf, \
45 int buflen) \
46{ \
47 return scnprintf(buf, buflen, format_string, sdata->field); \
48}
49#define IEEE80211_IF_FMT_DEC(name, field) \
50 IEEE80211_IF_FMT(name, field, "%d\n")
51#define IEEE80211_IF_FMT_HEX(name, field) \
52 IEEE80211_IF_FMT(name, field, "%#x\n")
53#define IEEE80211_IF_FMT_SIZE(name, field) \
54 IEEE80211_IF_FMT(name, field, "%zd\n")
55
56#define IEEE80211_IF_FMT_ATOMIC(name, field) \
57static ssize_t ieee80211_if_fmt_##name( \
58 const struct ieee80211_sub_if_data *sdata, \
59 char *buf, int buflen) \
60{ \
61 return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
62}
63
64#define IEEE80211_IF_FMT_MAC(name, field) \
65static ssize_t ieee80211_if_fmt_##name( \
66 const struct ieee80211_sub_if_data *sdata, char *buf, \
67 int buflen) \
68{ \
69 return scnprintf(buf, buflen, MAC_FMT "\n", MAC_ARG(sdata->field));\
70}
71
72#define __IEEE80211_IF_FILE(name) \
73static ssize_t ieee80211_if_read_##name(struct file *file, \
74 char __user *userbuf, \
75 size_t count, loff_t *ppos) \
76{ \
77 return ieee80211_if_read(file->private_data, \
78 userbuf, count, ppos, \
79 ieee80211_if_fmt_##name); \
80} \
81static const struct file_operations name##_ops = { \
82 .read = ieee80211_if_read_##name, \
83 .open = mac80211_open_file_generic, \
84}
85
86#define IEEE80211_IF_FILE(name, field, format) \
87 IEEE80211_IF_FMT_##format(name, field) \
88 __IEEE80211_IF_FILE(name)
89
90/* common attributes */
91IEEE80211_IF_FILE(channel_use, channel_use, DEC);
92IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
93IEEE80211_IF_FILE(eapol, eapol, DEC);
94IEEE80211_IF_FILE(ieee8021_x, ieee802_1x, DEC);
95
96/* STA/IBSS attributes */
97IEEE80211_IF_FILE(state, u.sta.state, DEC);
98IEEE80211_IF_FILE(bssid, u.sta.bssid, MAC);
99IEEE80211_IF_FILE(prev_bssid, u.sta.prev_bssid, MAC);
100IEEE80211_IF_FILE(ssid_len, u.sta.ssid_len, SIZE);
101IEEE80211_IF_FILE(aid, u.sta.aid, DEC);
102IEEE80211_IF_FILE(ap_capab, u.sta.ap_capab, HEX);
103IEEE80211_IF_FILE(capab, u.sta.capab, HEX);
104IEEE80211_IF_FILE(extra_ie_len, u.sta.extra_ie_len, SIZE);
105IEEE80211_IF_FILE(auth_tries, u.sta.auth_tries, DEC);
106IEEE80211_IF_FILE(assoc_tries, u.sta.assoc_tries, DEC);
107IEEE80211_IF_FILE(auth_algs, u.sta.auth_algs, HEX);
108IEEE80211_IF_FILE(auth_alg, u.sta.auth_alg, DEC);
109IEEE80211_IF_FILE(auth_transaction, u.sta.auth_transaction, DEC);
110
111static ssize_t ieee80211_if_fmt_flags(
112 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
113{
114 return scnprintf(buf, buflen, "%s%s%s%s%s%s%s\n",
115 sdata->u.sta.ssid_set ? "SSID\n" : "",
116 sdata->u.sta.bssid_set ? "BSSID\n" : "",
117 sdata->u.sta.prev_bssid_set ? "prev BSSID\n" : "",
118 sdata->u.sta.authenticated ? "AUTH\n" : "",
119 sdata->u.sta.associated ? "ASSOC\n" : "",
120 sdata->u.sta.probereq_poll ? "PROBEREQ POLL\n" : "",
121 sdata->u.sta.use_protection ? "CTS prot\n" : "");
122}
123__IEEE80211_IF_FILE(flags);
124
125/* AP attributes */
126IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
127IEEE80211_IF_FILE(dtim_period, u.ap.dtim_period, DEC);
128IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
129IEEE80211_IF_FILE(num_beacons, u.ap.num_beacons, DEC);
130IEEE80211_IF_FILE(force_unicast_rateidx, u.ap.force_unicast_rateidx, DEC);
131IEEE80211_IF_FILE(max_ratectrl_rateidx, u.ap.max_ratectrl_rateidx, DEC);
132
133static ssize_t ieee80211_if_fmt_num_buffered_multicast(
134 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
135{
136 return scnprintf(buf, buflen, "%u\n",
137 skb_queue_len(&sdata->u.ap.ps_bc_buf));
138}
139__IEEE80211_IF_FILE(num_buffered_multicast);
140
141static ssize_t ieee80211_if_fmt_beacon_head_len(
142 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
143{
144 if (sdata->u.ap.beacon_head)
145 return scnprintf(buf, buflen, "%d\n",
146 sdata->u.ap.beacon_head_len);
147 return scnprintf(buf, buflen, "\n");
148}
149__IEEE80211_IF_FILE(beacon_head_len);
150
151static ssize_t ieee80211_if_fmt_beacon_tail_len(
152 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
153{
154 if (sdata->u.ap.beacon_tail)
155 return scnprintf(buf, buflen, "%d\n",
156 sdata->u.ap.beacon_tail_len);
157 return scnprintf(buf, buflen, "\n");
158}
159__IEEE80211_IF_FILE(beacon_tail_len);
160
161/* WDS attributes */
162IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
163
164/* VLAN attributes */
165IEEE80211_IF_FILE(vlan_id, u.vlan.id, DEC);
166
167/* MONITOR attributes */
168static ssize_t ieee80211_if_fmt_mode(
169 const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
170{
171 struct ieee80211_local *local = sdata->local;
172
173 return scnprintf(buf, buflen, "%s\n",
174 ((local->hw.flags & IEEE80211_HW_MONITOR_DURING_OPER) ||
175 local->open_count == local->monitors) ?
176 "hard" : "soft");
177}
178__IEEE80211_IF_FILE(mode);
179
180
181#define DEBUGFS_ADD(name, type)\
182 sdata->debugfs.type.name = debugfs_create_file(#name, 0444,\
183 sdata->debugfsdir, sdata, &name##_ops);
184
185static void add_sta_files(struct ieee80211_sub_if_data *sdata)
186{
187 DEBUGFS_ADD(channel_use, sta);
188 DEBUGFS_ADD(drop_unencrypted, sta);
189 DEBUGFS_ADD(eapol, sta);
190 DEBUGFS_ADD(ieee8021_x, sta);
191 DEBUGFS_ADD(state, sta);
192 DEBUGFS_ADD(bssid, sta);
193 DEBUGFS_ADD(prev_bssid, sta);
194 DEBUGFS_ADD(ssid_len, sta);
195 DEBUGFS_ADD(aid, sta);
196 DEBUGFS_ADD(ap_capab, sta);
197 DEBUGFS_ADD(capab, sta);
198 DEBUGFS_ADD(extra_ie_len, sta);
199 DEBUGFS_ADD(auth_tries, sta);
200 DEBUGFS_ADD(assoc_tries, sta);
201 DEBUGFS_ADD(auth_algs, sta);
202 DEBUGFS_ADD(auth_alg, sta);
203 DEBUGFS_ADD(auth_transaction, sta);
204 DEBUGFS_ADD(flags, sta);
205}
206
207static void add_ap_files(struct ieee80211_sub_if_data *sdata)
208{
209 DEBUGFS_ADD(channel_use, ap);
210 DEBUGFS_ADD(drop_unencrypted, ap);
211 DEBUGFS_ADD(eapol, ap);
212 DEBUGFS_ADD(ieee8021_x, ap);
213 DEBUGFS_ADD(num_sta_ps, ap);
214 DEBUGFS_ADD(dtim_period, ap);
215 DEBUGFS_ADD(dtim_count, ap);
216 DEBUGFS_ADD(num_beacons, ap);
217 DEBUGFS_ADD(force_unicast_rateidx, ap);
218 DEBUGFS_ADD(max_ratectrl_rateidx, ap);
219 DEBUGFS_ADD(num_buffered_multicast, ap);
220 DEBUGFS_ADD(beacon_head_len, ap);
221 DEBUGFS_ADD(beacon_tail_len, ap);
222}
223
224static void add_wds_files(struct ieee80211_sub_if_data *sdata)
225{
226 DEBUGFS_ADD(channel_use, wds);
227 DEBUGFS_ADD(drop_unencrypted, wds);
228 DEBUGFS_ADD(eapol, wds);
229 DEBUGFS_ADD(ieee8021_x, wds);
230 DEBUGFS_ADD(peer, wds);
231}
232
233static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
234{
235 DEBUGFS_ADD(channel_use, vlan);
236 DEBUGFS_ADD(drop_unencrypted, vlan);
237 DEBUGFS_ADD(eapol, vlan);
238 DEBUGFS_ADD(ieee8021_x, vlan);
239 DEBUGFS_ADD(vlan_id, vlan);
240}
241
242static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
243{
244 DEBUGFS_ADD(mode, monitor);
245}
246
247static void add_files(struct ieee80211_sub_if_data *sdata)
248{
249 if (!sdata->debugfsdir)
250 return;
251
252 switch (sdata->type) {
253 case IEEE80211_IF_TYPE_STA:
254 case IEEE80211_IF_TYPE_IBSS:
255 add_sta_files(sdata);
256 break;
257 case IEEE80211_IF_TYPE_AP:
258 add_ap_files(sdata);
259 break;
260 case IEEE80211_IF_TYPE_WDS:
261 add_wds_files(sdata);
262 break;
263 case IEEE80211_IF_TYPE_MNTR:
264 add_monitor_files(sdata);
265 break;
266 case IEEE80211_IF_TYPE_VLAN:
267 add_vlan_files(sdata);
268 break;
269 default:
270 break;
271 }
272}
273
274#define DEBUGFS_DEL(name, type)\
275 debugfs_remove(sdata->debugfs.type.name);\
276 sdata->debugfs.type.name = NULL;
277
278static void del_sta_files(struct ieee80211_sub_if_data *sdata)
279{
280 DEBUGFS_DEL(channel_use, sta);
281 DEBUGFS_DEL(drop_unencrypted, sta);
282 DEBUGFS_DEL(eapol, sta);
283 DEBUGFS_DEL(ieee8021_x, sta);
284 DEBUGFS_DEL(state, sta);
285 DEBUGFS_DEL(bssid, sta);
286 DEBUGFS_DEL(prev_bssid, sta);
287 DEBUGFS_DEL(ssid_len, sta);
288 DEBUGFS_DEL(aid, sta);
289 DEBUGFS_DEL(ap_capab, sta);
290 DEBUGFS_DEL(capab, sta);
291 DEBUGFS_DEL(extra_ie_len, sta);
292 DEBUGFS_DEL(auth_tries, sta);
293 DEBUGFS_DEL(assoc_tries, sta);
294 DEBUGFS_DEL(auth_algs, sta);
295 DEBUGFS_DEL(auth_alg, sta);
296 DEBUGFS_DEL(auth_transaction, sta);
297 DEBUGFS_DEL(flags, sta);
298}
299
300static void del_ap_files(struct ieee80211_sub_if_data *sdata)
301{
302 DEBUGFS_DEL(channel_use, ap);
303 DEBUGFS_DEL(drop_unencrypted, ap);
304 DEBUGFS_DEL(eapol, ap);
305 DEBUGFS_DEL(ieee8021_x, ap);
306 DEBUGFS_DEL(num_sta_ps, ap);
307 DEBUGFS_DEL(dtim_period, ap);
308 DEBUGFS_DEL(dtim_count, ap);
309 DEBUGFS_DEL(num_beacons, ap);
310 DEBUGFS_DEL(force_unicast_rateidx, ap);
311 DEBUGFS_DEL(max_ratectrl_rateidx, ap);
312 DEBUGFS_DEL(num_buffered_multicast, ap);
313 DEBUGFS_DEL(beacon_head_len, ap);
314 DEBUGFS_DEL(beacon_tail_len, ap);
315}
316
317static void del_wds_files(struct ieee80211_sub_if_data *sdata)
318{
319 DEBUGFS_DEL(channel_use, wds);
320 DEBUGFS_DEL(drop_unencrypted, wds);
321 DEBUGFS_DEL(eapol, wds);
322 DEBUGFS_DEL(ieee8021_x, wds);
323 DEBUGFS_DEL(peer, wds);
324}
325
326static void del_vlan_files(struct ieee80211_sub_if_data *sdata)
327{
328 DEBUGFS_DEL(channel_use, vlan);
329 DEBUGFS_DEL(drop_unencrypted, vlan);
330 DEBUGFS_DEL(eapol, vlan);
331 DEBUGFS_DEL(ieee8021_x, vlan);
332 DEBUGFS_DEL(vlan_id, vlan);
333}
334
335static void del_monitor_files(struct ieee80211_sub_if_data *sdata)
336{
337 DEBUGFS_DEL(mode, monitor);
338}
339
340static void del_files(struct ieee80211_sub_if_data *sdata, int type)
341{
342 if (!sdata->debugfsdir)
343 return;
344
345 switch (type) {
346 case IEEE80211_IF_TYPE_STA:
347 case IEEE80211_IF_TYPE_IBSS:
348 del_sta_files(sdata);
349 break;
350 case IEEE80211_IF_TYPE_AP:
351 del_ap_files(sdata);
352 break;
353 case IEEE80211_IF_TYPE_WDS:
354 del_wds_files(sdata);
355 break;
356 case IEEE80211_IF_TYPE_MNTR:
357 del_monitor_files(sdata);
358 break;
359 case IEEE80211_IF_TYPE_VLAN:
360 del_vlan_files(sdata);
361 break;
362 default:
363 break;
364 }
365}
366
367static int notif_registered;
368
369void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
370{
371 char buf[10+IFNAMSIZ];
372
373 if (!notif_registered)
374 return;
375
376 sprintf(buf, "netdev:%s", sdata->dev->name);
377 sdata->debugfsdir = debugfs_create_dir(buf,
378 sdata->local->hw.wiphy->debugfsdir);
379}
380
381void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
382{
383 del_files(sdata, sdata->type);
384 debugfs_remove(sdata->debugfsdir);
385 sdata->debugfsdir = NULL;
386}
387
388void ieee80211_debugfs_change_if_type(struct ieee80211_sub_if_data *sdata,
389 int oldtype)
390{
391 del_files(sdata, oldtype);
392 add_files(sdata);
393}
394
395static int netdev_notify(struct notifier_block * nb,
396 unsigned long state,
397 void *ndev)
398{
399 struct net_device *dev = ndev;
400 char buf[10+IFNAMSIZ];
401
402 if (state != NETDEV_CHANGENAME)
403 return 0;
404
405 if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
406 return 0;
407
408 if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
409 return 0;
410
411 /* TODO
412 sprintf(buf, "netdev:%s", dev->name);
413 debugfs_rename(IEEE80211_DEV_TO_SUB_IF(dev)->debugfsdir, buf);
414 */
415
416 return 0;
417}
418
419static struct notifier_block mac80211_debugfs_netdev_notifier = {
420 .notifier_call = netdev_notify,
421};
422
423void ieee80211_debugfs_netdev_init(void)
424{
425 int err;
426
427 err = register_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
428 if (err) {
429 printk(KERN_ERR
430 "mac80211: failed to install netdev notifier,"
431 " disabling per-netdev debugfs!\n");
432 } else
433 notif_registered = 1;
434}
435
436void ieee80211_debugfs_netdev_exit(void)
437{
438 unregister_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
439 notif_registered = 0;
440}
diff --git a/net/mac80211/debugfs_netdev.h b/net/mac80211/debugfs_netdev.h
new file mode 100644
index 000000000000..a690071fde8a
--- /dev/null
+++ b/net/mac80211/debugfs_netdev.h
@@ -0,0 +1,30 @@
1/* routines exported for debugfs handling */
2
3#ifndef __IEEE80211_DEBUGFS_NETDEV_H
4#define __IEEE80211_DEBUGFS_NETDEV_H
5
6#ifdef CONFIG_MAC80211_DEBUGFS
7void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata);
8void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata);
9void ieee80211_debugfs_change_if_type(struct ieee80211_sub_if_data *sdata,
10 int oldtype);
11void ieee80211_debugfs_netdev_init(void);
12void ieee80211_debugfs_netdev_exit(void);
13#else
14static inline void ieee80211_debugfs_add_netdev(
15 struct ieee80211_sub_if_data *sdata)
16{}
17static inline void ieee80211_debugfs_remove_netdev(
18 struct ieee80211_sub_if_data *sdata)
19{}
20static inline void ieee80211_debugfs_change_if_type(
21 struct ieee80211_sub_if_data *sdata, int oldtype)
22{}
23static inline void ieee80211_debugfs_netdev_init(void)
24{}
25
26static inline void ieee80211_debugfs_netdev_exit(void)
27{}
28#endif
29
30#endif /* __IEEE80211_DEBUGFS_NETDEV_H */
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
new file mode 100644
index 000000000000..d41e696f3980
--- /dev/null
+++ b/net/mac80211/debugfs_sta.c
@@ -0,0 +1,246 @@
1/*
2 * Copyright 2003-2005 Devicescape Software, Inc.
3 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
4 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#include <linux/debugfs.h>
12#include <linux/ieee80211.h>
13#include "ieee80211_i.h"
14#include "debugfs.h"
15#include "debugfs_sta.h"
16#include "sta_info.h"
17
18/* sta attributtes */
19
20#define STA_READ(name, buflen, field, format_string) \
21static ssize_t sta_ ##name## _read(struct file *file, \
22 char __user *userbuf, \
23 size_t count, loff_t *ppos) \
24{ \
25 int res; \
26 struct sta_info *sta = file->private_data; \
27 char buf[buflen]; \
28 res = scnprintf(buf, buflen, format_string, sta->field); \
29 return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
30}
31#define STA_READ_D(name, field) STA_READ(name, 20, field, "%d\n")
32#define STA_READ_U(name, field) STA_READ(name, 20, field, "%u\n")
33#define STA_READ_LU(name, field) STA_READ(name, 20, field, "%lu\n")
34#define STA_READ_S(name, field) STA_READ(name, 20, field, "%s\n")
35
36#define STA_READ_RATE(name, field) \
37static ssize_t sta_##name##_read(struct file *file, \
38 char __user *userbuf, \
39 size_t count, loff_t *ppos) \
40{ \
41 struct sta_info *sta = file->private_data; \
42 struct ieee80211_local *local = wdev_priv(sta->dev->ieee80211_ptr);\
43 struct ieee80211_hw_mode *mode = local->oper_hw_mode; \
44 char buf[20]; \
45 int res = scnprintf(buf, sizeof(buf), "%d\n", \
46 (sta->field >= 0 && \
47 sta->field < mode->num_rates) ? \
48 mode->rates[sta->field].rate : -1); \
49 return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
50}
51
52#define STA_OPS(name) \
53static const struct file_operations sta_ ##name## _ops = { \
54 .read = sta_##name##_read, \
55 .open = mac80211_open_file_generic, \
56}
57
58#define STA_FILE(name, field, format) \
59 STA_READ_##format(name, field) \
60 STA_OPS(name)
61
62STA_FILE(aid, aid, D);
63STA_FILE(key_idx_compression, key_idx_compression, D);
64STA_FILE(dev, dev->name, S);
65STA_FILE(vlan_id, vlan_id, D);
66STA_FILE(rx_packets, rx_packets, LU);
67STA_FILE(tx_packets, tx_packets, LU);
68STA_FILE(rx_bytes, rx_bytes, LU);
69STA_FILE(tx_bytes, tx_bytes, LU);
70STA_FILE(rx_duplicates, num_duplicates, LU);
71STA_FILE(rx_fragments, rx_fragments, LU);
72STA_FILE(rx_dropped, rx_dropped, LU);
73STA_FILE(tx_fragments, tx_fragments, LU);
74STA_FILE(tx_filtered, tx_filtered_count, LU);
75STA_FILE(txrate, txrate, RATE);
76STA_FILE(last_txrate, last_txrate, RATE);
77STA_FILE(tx_retry_failed, tx_retry_failed, LU);
78STA_FILE(tx_retry_count, tx_retry_count, LU);
79STA_FILE(last_rssi, last_rssi, D);
80STA_FILE(last_signal, last_signal, D);
81STA_FILE(last_noise, last_noise, D);
82STA_FILE(channel_use, channel_use, D);
83STA_FILE(wep_weak_iv_count, wep_weak_iv_count, D);
84
85static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
86 size_t count, loff_t *ppos)
87{
88 char buf[100];
89 struct sta_info *sta = file->private_data;
90 int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s",
91 sta->flags & WLAN_STA_AUTH ? "AUTH\n" : "",
92 sta->flags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
93 sta->flags & WLAN_STA_PS ? "PS\n" : "",
94 sta->flags & WLAN_STA_TIM ? "TIM\n" : "",
95 sta->flags & WLAN_STA_PERM ? "PERM\n" : "",
96 sta->flags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
97 sta->flags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
98 sta->flags & WLAN_STA_WME ? "WME\n" : "",
99 sta->flags & WLAN_STA_WDS ? "WDS\n" : "");
100 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
101}
102STA_OPS(flags);
103
104static ssize_t sta_num_ps_buf_frames_read(struct file *file,
105 char __user *userbuf,
106 size_t count, loff_t *ppos)
107{
108 char buf[20];
109 struct sta_info *sta = file->private_data;
110 int res = scnprintf(buf, sizeof(buf), "%u\n",
111 skb_queue_len(&sta->ps_tx_buf));
112 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
113}
114STA_OPS(num_ps_buf_frames);
115
116static ssize_t sta_last_ack_rssi_read(struct file *file, char __user *userbuf,
117 size_t count, loff_t *ppos)
118{
119 char buf[100];
120 struct sta_info *sta = file->private_data;
121 int res = scnprintf(buf, sizeof(buf), "%d %d %d\n",
122 sta->last_ack_rssi[0],
123 sta->last_ack_rssi[1],
124 sta->last_ack_rssi[2]);
125 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
126}
127STA_OPS(last_ack_rssi);
128
129static ssize_t sta_last_ack_ms_read(struct file *file, char __user *userbuf,
130 size_t count, loff_t *ppos)
131{
132 char buf[20];
133 struct sta_info *sta = file->private_data;
134 int res = scnprintf(buf, sizeof(buf), "%d\n",
135 sta->last_ack ?
136 jiffies_to_msecs(jiffies - sta->last_ack) : -1);
137 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
138}
139STA_OPS(last_ack_ms);
140
141static ssize_t sta_inactive_ms_read(struct file *file, char __user *userbuf,
142 size_t count, loff_t *ppos)
143{
144 char buf[20];
145 struct sta_info *sta = file->private_data;
146 int res = scnprintf(buf, sizeof(buf), "%d\n",
147 jiffies_to_msecs(jiffies - sta->last_rx));
148 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
149}
150STA_OPS(inactive_ms);
151
152static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
153 size_t count, loff_t *ppos)
154{
155 char buf[15*NUM_RX_DATA_QUEUES], *p = buf;
156 int i;
157 struct sta_info *sta = file->private_data;
158 for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
159 p += scnprintf(p, sizeof(buf)+buf-p, "%x ",
160 sta->last_seq_ctrl[i]);
161 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
162 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
163}
164STA_OPS(last_seq_ctrl);
165
166#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
167static ssize_t sta_wme_rx_queue_read(struct file *file, char __user *userbuf,
168 size_t count, loff_t *ppos)
169{
170 char buf[15*NUM_RX_DATA_QUEUES], *p = buf;
171 int i;
172 struct sta_info *sta = file->private_data;
173 for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
174 p += scnprintf(p, sizeof(buf)+buf-p, "%u ",
175 sta->wme_rx_queue[i]);
176 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
177 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
178}
179STA_OPS(wme_rx_queue);
180
181static ssize_t sta_wme_tx_queue_read(struct file *file, char __user *userbuf,
182 size_t count, loff_t *ppos)
183{
184 char buf[15*NUM_TX_DATA_QUEUES], *p = buf;
185 int i;
186 struct sta_info *sta = file->private_data;
187 for (i = 0; i < NUM_TX_DATA_QUEUES; i++)
188 p += scnprintf(p, sizeof(buf)+buf-p, "%u ",
189 sta->wme_tx_queue[i]);
190 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
191 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
192}
193STA_OPS(wme_tx_queue);
194#endif
195
196#define DEBUGFS_ADD(name) \
197 sta->debugfs.name = debugfs_create_file(#name, 0444, \
198 sta->debugfs.dir, sta, &sta_ ##name## _ops);
199
200#define DEBUGFS_DEL(name) \
201 debugfs_remove(sta->debugfs.name);\
202 sta->debugfs.name = NULL;
203
204
205void ieee80211_sta_debugfs_add(struct sta_info *sta)
206{
207 char buf[3*6];
208 struct dentry *stations_dir = sta->local->debugfs.stations;
209
210 if (!stations_dir)
211 return;
212
213 sprintf(buf, MAC_FMT, MAC_ARG(sta->addr));
214
215 sta->debugfs.dir = debugfs_create_dir(buf, stations_dir);
216 if (!sta->debugfs.dir)
217 return;
218
219 DEBUGFS_ADD(flags);
220 DEBUGFS_ADD(num_ps_buf_frames);
221 DEBUGFS_ADD(last_ack_rssi);
222 DEBUGFS_ADD(last_ack_ms);
223 DEBUGFS_ADD(inactive_ms);
224 DEBUGFS_ADD(last_seq_ctrl);
225#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
226 DEBUGFS_ADD(wme_rx_queue);
227 DEBUGFS_ADD(wme_tx_queue);
228#endif
229}
230
231void ieee80211_sta_debugfs_remove(struct sta_info *sta)
232{
233 DEBUGFS_DEL(flags);
234 DEBUGFS_DEL(num_ps_buf_frames);
235 DEBUGFS_DEL(last_ack_rssi);
236 DEBUGFS_DEL(last_ack_ms);
237 DEBUGFS_DEL(inactive_ms);
238 DEBUGFS_DEL(last_seq_ctrl);
239#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
240 DEBUGFS_DEL(wme_rx_queue);
241 DEBUGFS_DEL(wme_tx_queue);
242#endif
243
244 debugfs_remove(sta->debugfs.dir);
245 sta->debugfs.dir = NULL;
246}
diff --git a/net/mac80211/debugfs_sta.h b/net/mac80211/debugfs_sta.h
new file mode 100644
index 000000000000..574a1cd54b96
--- /dev/null
+++ b/net/mac80211/debugfs_sta.h
@@ -0,0 +1,12 @@
1#ifndef __MAC80211_DEBUGFS_STA_H
2#define __MAC80211_DEBUGFS_STA_H
3
4#ifdef CONFIG_MAC80211_DEBUGFS
5void ieee80211_sta_debugfs_add(struct sta_info *sta);
6void ieee80211_sta_debugfs_remove(struct sta_info *sta);
7#else
8static inline void ieee80211_sta_debugfs_add(struct sta_info *sta) {}
9static inline void ieee80211_sta_debugfs_remove(struct sta_info *sta) {}
10#endif
11
12#endif /* __MAC80211_DEBUGFS_STA_H */
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 48a832d4e175..6e36df67f8d5 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -35,6 +35,9 @@
35#include "aes_ccm.h" 35#include "aes_ccm.h"
36#include "ieee80211_led.h" 36#include "ieee80211_led.h"
37#include "ieee80211_cfg.h" 37#include "ieee80211_cfg.h"
38#include "debugfs.h"
39#include "debugfs_netdev.h"
40#include "debugfs_key.h"
38 41
39/* privid for wiphys to determine whether they belong to us or not */ 42/* privid for wiphys to determine whether they belong to us or not */
40void *mac80211_wiphy_privid = &mac80211_wiphy_privid; 43void *mac80211_wiphy_privid = &mac80211_wiphy_privid;
@@ -108,6 +111,7 @@ static void ieee80211_key_release(struct kref *kref)
108 key = container_of(kref, struct ieee80211_key, kref); 111 key = container_of(kref, struct ieee80211_key, kref);
109 if (key->alg == ALG_CCMP) 112 if (key->alg == ALG_CCMP)
110 ieee80211_aes_key_free(key->u.ccmp.tfm); 113 ieee80211_aes_key_free(key->u.ccmp.tfm);
114 ieee80211_debugfs_key_remove(key);
111 kfree(key); 115 kfree(key);
112} 116}
113 117
@@ -4704,6 +4708,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
4704 goto fail_workqueue; 4708 goto fail_workqueue;
4705 } 4709 }
4706 4710
4711 debugfs_hw_add(local);
4712
4707 local->hw.conf.beacon_int = 1000; 4713 local->hw.conf.beacon_int = 1000;
4708 4714
4709 local->wstats_flags |= local->hw.max_rssi ? 4715 local->wstats_flags |= local->hw.max_rssi ?
@@ -4731,6 +4737,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
4731 if (result < 0) 4737 if (result < 0)
4732 goto fail_dev; 4738 goto fail_dev;
4733 4739
4740 ieee80211_debugfs_add_netdev(IEEE80211_DEV_TO_SUB_IF(local->mdev));
4741
4734 result = ieee80211_init_rate_ctrl_alg(local, NULL); 4742 result = ieee80211_init_rate_ctrl_alg(local, NULL);
4735 if (result < 0) { 4743 if (result < 0) {
4736 printk(KERN_DEBUG "%s: Failed to initialize rate control " 4744 printk(KERN_DEBUG "%s: Failed to initialize rate control "
@@ -4765,11 +4773,13 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
4765fail_wep: 4773fail_wep:
4766 rate_control_deinitialize(local); 4774 rate_control_deinitialize(local);
4767fail_rate: 4775fail_rate:
4776 ieee80211_debugfs_remove_netdev(IEEE80211_DEV_TO_SUB_IF(local->mdev));
4768 unregister_netdevice(local->mdev); 4777 unregister_netdevice(local->mdev);
4769fail_dev: 4778fail_dev:
4770 rtnl_unlock(); 4779 rtnl_unlock();
4771 sta_info_stop(local); 4780 sta_info_stop(local);
4772fail_sta_info: 4781fail_sta_info:
4782 debugfs_hw_del(local);
4773 destroy_workqueue(local->hw.workqueue); 4783 destroy_workqueue(local->hw.workqueue);
4774fail_workqueue: 4784fail_workqueue:
4775 wiphy_unregister(local->hw.wiphy); 4785 wiphy_unregister(local->hw.wiphy);
@@ -4844,6 +4854,7 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
4844 ieee80211_clear_tx_pending(local); 4854 ieee80211_clear_tx_pending(local);
4845 sta_info_stop(local); 4855 sta_info_stop(local);
4846 rate_control_deinitialize(local); 4856 rate_control_deinitialize(local);
4857 debugfs_hw_del(local);
4847 4858
4848 for (i = 0; i < NUM_IEEE80211_MODES; i++) { 4859 for (i = 0; i < NUM_IEEE80211_MODES; i++) {
4849 kfree(local->supp_rates[i]); 4860 kfree(local->supp_rates[i]);
@@ -4953,6 +4964,8 @@ static int __init ieee80211_init(void)
4953 return ret; 4964 return ret;
4954 } 4965 }
4955 4966
4967 ieee80211_debugfs_netdev_init();
4968
4956 return 0; 4969 return 0;
4957} 4970}
4958 4971
@@ -4960,6 +4973,7 @@ static int __init ieee80211_init(void)
4960static void __exit ieee80211_exit(void) 4973static void __exit ieee80211_exit(void)
4961{ 4974{
4962 ieee80211_wme_unregister(); 4975 ieee80211_wme_unregister();
4976 ieee80211_debugfs_netdev_exit();
4963} 4977}
4964 4978
4965 4979
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index ae94d6461798..af4d14d0b969 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -307,6 +307,65 @@ struct ieee80211_sub_if_data {
307 } u; 307 } u;
308 int channel_use; 308 int channel_use;
309 int channel_use_raw; 309 int channel_use_raw;
310
311#ifdef CONFIG_MAC80211_DEBUGFS
312 struct dentry *debugfsdir;
313 union {
314 struct {
315 struct dentry *channel_use;
316 struct dentry *drop_unencrypted;
317 struct dentry *eapol;
318 struct dentry *ieee8021_x;
319 struct dentry *state;
320 struct dentry *bssid;
321 struct dentry *prev_bssid;
322 struct dentry *ssid_len;
323 struct dentry *aid;
324 struct dentry *ap_capab;
325 struct dentry *capab;
326 struct dentry *extra_ie_len;
327 struct dentry *auth_tries;
328 struct dentry *assoc_tries;
329 struct dentry *auth_algs;
330 struct dentry *auth_alg;
331 struct dentry *auth_transaction;
332 struct dentry *flags;
333 } sta;
334 struct {
335 struct dentry *channel_use;
336 struct dentry *drop_unencrypted;
337 struct dentry *eapol;
338 struct dentry *ieee8021_x;
339 struct dentry *num_sta_ps;
340 struct dentry *dtim_period;
341 struct dentry *dtim_count;
342 struct dentry *num_beacons;
343 struct dentry *force_unicast_rateidx;
344 struct dentry *max_ratectrl_rateidx;
345 struct dentry *num_buffered_multicast;
346 struct dentry *beacon_head_len;
347 struct dentry *beacon_tail_len;
348 } ap;
349 struct {
350 struct dentry *channel_use;
351 struct dentry *drop_unencrypted;
352 struct dentry *eapol;
353 struct dentry *ieee8021_x;
354 struct dentry *peer;
355 } wds;
356 struct {
357 struct dentry *channel_use;
358 struct dentry *drop_unencrypted;
359 struct dentry *eapol;
360 struct dentry *ieee8021_x;
361 struct dentry *vlan_id;
362 } vlan;
363 struct {
364 struct dentry *mode;
365 } monitor;
366 struct dentry *default_key;
367 } debugfs;
368#endif
310}; 369};
311 370
312#define IEEE80211_DEV_TO_SUB_IF(dev) netdev_priv(dev) 371#define IEEE80211_DEV_TO_SUB_IF(dev) netdev_priv(dev)
@@ -444,6 +503,10 @@ struct ieee80211_local {
444 u32 stat_time; 503 u32 stat_time;
445 struct timer_list stat_timer; 504 struct timer_list stat_timer;
446 505
506#ifdef CONFIG_MAC80211_DEBUGFS
507 struct work_struct sta_debugfs_add;
508#endif
509
447 enum { 510 enum {
448 STA_ANTENNA_SEL_AUTO = 0, 511 STA_ANTENNA_SEL_AUTO = 0,
449 STA_ANTENNA_SEL_SW_CTRL = 1, 512 STA_ANTENNA_SEL_SW_CTRL = 1,
@@ -500,6 +563,70 @@ struct ieee80211_local {
500 * (1 << MODE_*) */ 563 * (1 << MODE_*) */
501 564
502 int user_space_mlme; 565 int user_space_mlme;
566
567#ifdef CONFIG_MAC80211_DEBUGFS
568 struct local_debugfsdentries {
569 struct dentry *channel;
570 struct dentry *frequency;
571 struct dentry *radar_detect;
572 struct dentry *antenna_sel_tx;
573 struct dentry *antenna_sel_rx;
574 struct dentry *bridge_packets;
575 struct dentry *key_tx_rx_threshold;
576 struct dentry *rts_threshold;
577 struct dentry *fragmentation_threshold;
578 struct dentry *short_retry_limit;
579 struct dentry *long_retry_limit;
580 struct dentry *total_ps_buffered;
581 struct dentry *mode;
582 struct dentry *wep_iv;
583 struct dentry *tx_power_reduction;
584 struct dentry *modes;
585 struct dentry *statistics;
586 struct local_debugfsdentries_statsdentries {
587 struct dentry *transmitted_fragment_count;
588 struct dentry *multicast_transmitted_frame_count;
589 struct dentry *failed_count;
590 struct dentry *retry_count;
591 struct dentry *multiple_retry_count;
592 struct dentry *frame_duplicate_count;
593 struct dentry *received_fragment_count;
594 struct dentry *multicast_received_frame_count;
595 struct dentry *transmitted_frame_count;
596 struct dentry *wep_undecryptable_count;
597 struct dentry *num_scans;
598#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
599 struct dentry *tx_handlers_drop;
600 struct dentry *tx_handlers_queued;
601 struct dentry *tx_handlers_drop_unencrypted;
602 struct dentry *tx_handlers_drop_fragment;
603 struct dentry *tx_handlers_drop_wep;
604 struct dentry *tx_handlers_drop_not_assoc;
605 struct dentry *tx_handlers_drop_unauth_port;
606 struct dentry *rx_handlers_drop;
607 struct dentry *rx_handlers_queued;
608 struct dentry *rx_handlers_drop_nullfunc;
609 struct dentry *rx_handlers_drop_defrag;
610 struct dentry *rx_handlers_drop_short;
611 struct dentry *rx_handlers_drop_passive_scan;
612 struct dentry *tx_expand_skb_head;
613 struct dentry *tx_expand_skb_head_cloned;
614 struct dentry *rx_expand_skb_head;
615 struct dentry *rx_expand_skb_head2;
616 struct dentry *rx_handlers_fragments;
617 struct dentry *tx_status_drop;
618 struct dentry *wme_tx_queue;
619 struct dentry *wme_rx_queue;
620#endif
621 struct dentry *dot11ACKFailureCount;
622 struct dentry *dot11RTSFailureCount;
623 struct dentry *dot11FCSErrorCount;
624 struct dentry *dot11RTSSuccessCount;
625 } stats;
626 struct dentry *stations;
627 struct dentry *keys;
628 } debugfs;
629#endif
503}; 630};
504 631
505static inline struct ieee80211_local *hw_to_local( 632static inline struct ieee80211_local *hw_to_local(
diff --git a/net/mac80211/ieee80211_iface.c b/net/mac80211/ieee80211_iface.c
index 64267d4b31a4..cf0f32e8c2a2 100644
--- a/net/mac80211/ieee80211_iface.c
+++ b/net/mac80211/ieee80211_iface.c
@@ -14,6 +14,7 @@
14#include <net/mac80211.h> 14#include <net/mac80211.h>
15#include "ieee80211_i.h" 15#include "ieee80211_i.h"
16#include "sta_info.h" 16#include "sta_info.h"
17#include "debugfs_netdev.h"
17 18
18void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata) 19void ieee80211_if_sdata_init(struct ieee80211_sub_if_data *sdata)
19{ 20{
@@ -73,6 +74,7 @@ int ieee80211_if_add(struct net_device *dev, const char *name,
73 if (ret) 74 if (ret)
74 goto fail; 75 goto fail;
75 76
77 ieee80211_debugfs_add_netdev(sdata);
76 ieee80211_if_set_type(ndev, type); 78 ieee80211_if_set_type(ndev, type);
77 79
78 write_lock_bh(&local->sub_if_lock); 80 write_lock_bh(&local->sub_if_lock);
@@ -126,6 +128,8 @@ int ieee80211_if_add_mgmt(struct ieee80211_local *local)
126 if (ret) 128 if (ret)
127 goto fail; 129 goto fail;
128 130
131 ieee80211_debugfs_add_netdev(nsdata);
132
129 if (local->open_count > 0) 133 if (local->open_count > 0)
130 dev_open(ndev); 134 dev_open(ndev);
131 local->apdev = ndev; 135 local->apdev = ndev;
@@ -142,6 +146,7 @@ void ieee80211_if_del_mgmt(struct ieee80211_local *local)
142 146
143 ASSERT_RTNL(); 147 ASSERT_RTNL();
144 apdev = local->apdev; 148 apdev = local->apdev;
149 ieee80211_debugfs_remove_netdev(IEEE80211_DEV_TO_SUB_IF(apdev));
145 local->apdev = NULL; 150 local->apdev = NULL;
146 unregister_netdevice(apdev); 151 unregister_netdevice(apdev);
147} 152}
@@ -150,6 +155,7 @@ void ieee80211_if_set_type(struct net_device *dev, int type)
150{ 155{
151 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); 156 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
152 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); 157 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
158 int oldtype = sdata->type;
153 159
154 sdata->type = type; 160 sdata->type = type;
155 switch (type) { 161 switch (type) {
@@ -195,6 +201,7 @@ void ieee80211_if_set_type(struct net_device *dev, int type)
195 printk(KERN_WARNING "%s: %s: Unknown interface type 0x%x", 201 printk(KERN_WARNING "%s: %s: Unknown interface type 0x%x",
196 dev->name, __FUNCTION__, type); 202 dev->name, __FUNCTION__, type);
197 } 203 }
204 ieee80211_debugfs_change_if_type(sdata, oldtype);
198 ieee80211_update_default_wep_only(local); 205 ieee80211_update_default_wep_only(local);
199} 206}
200 207
@@ -303,6 +310,7 @@ void __ieee80211_if_del(struct ieee80211_local *local,
303{ 310{
304 struct net_device *dev = sdata->dev; 311 struct net_device *dev = sdata->dev;
305 312
313 ieee80211_debugfs_remove_netdev(sdata);
306 unregister_netdevice(dev); 314 unregister_netdevice(dev);
307 /* Except master interface, the net_device will be freed by 315 /* Except master interface, the net_device will be freed by
308 * net_device->destructor (i. e. ieee80211_if_free). */ 316 * net_device->destructor (i. e. ieee80211_if_free). */
diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
index 73909ec85f2a..352f03bd8a3a 100644
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -25,6 +25,7 @@
25#include "ieee80211_rate.h" 25#include "ieee80211_rate.h"
26#include "wpa.h" 26#include "wpa.h"
27#include "aes_ccm.h" 27#include "aes_ccm.h"
28#include "debugfs_key.h"
28 29
29static int ieee80211_regdom = 0x10; /* FCC */ 30static int ieee80211_regdom = 0x10; /* FCC */
30module_param(ieee80211_regdom, int, 0444); 31module_param(ieee80211_regdom, int, 0444);
@@ -180,8 +181,11 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
180 } 181 }
181 kfree(keyconf); 182 kfree(keyconf);
182 183
183 if (set_tx_key || sdata->default_key == key) 184 if (set_tx_key || sdata->default_key == key) {
185 ieee80211_debugfs_key_remove_default(sdata);
184 sdata->default_key = NULL; 186 sdata->default_key = NULL;
187 }
188 ieee80211_debugfs_key_remove(key);
185 if (sta) 189 if (sta)
186 sta->key = NULL; 190 sta->key = NULL;
187 else 191 else
@@ -221,13 +225,19 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
221 } 225 }
222 } 226 }
223 227
224 if (set_tx_key || sdata->default_key == old_key) 228 if (set_tx_key || sdata->default_key == old_key) {
229 ieee80211_debugfs_key_remove_default(sdata);
225 sdata->default_key = NULL; 230 sdata->default_key = NULL;
231 }
232 ieee80211_debugfs_key_remove(old_key);
226 if (sta) 233 if (sta)
227 sta->key = key; 234 sta->key = key;
228 else 235 else
229 sdata->keys[idx] = key; 236 sdata->keys[idx] = key;
230 ieee80211_key_free(old_key); 237 ieee80211_key_free(old_key);
238 ieee80211_debugfs_key_add(local, key);
239 if (sta)
240 ieee80211_debugfs_key_sta_link(key, sta);
231 241
232 if (try_hwaccel && 242 if (try_hwaccel &&
233 (alg == ALG_WEP || alg == ALG_TKIP || alg == ALG_CCMP)) 243 (alg == ALG_WEP || alg == ALG_TKIP || alg == ALG_CCMP))
@@ -236,6 +246,8 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
236 246
237 if (set_tx_key || (!sta && !sdata->default_key && key)) { 247 if (set_tx_key || (!sta && !sdata->default_key && key)) {
238 sdata->default_key = key; 248 sdata->default_key = key;
249 if (key)
250 ieee80211_debugfs_key_add_default(sdata);
239 251
240 if (local->ops->set_key_idx && 252 if (local->ops->set_key_idx &&
241 local->ops->set_key_idx(local_to_hw(local), idx)) 253 local->ops->set_key_idx(local_to_hw(local), idx))
@@ -1505,8 +1517,12 @@ static int ieee80211_ioctl_siwencode(struct net_device *dev,
1505 alg = ALG_NONE; 1517 alg = ALG_NONE;
1506 else if (erq->length == 0) { 1518 else if (erq->length == 0) {
1507 /* No key data - just set the default TX key index */ 1519 /* No key data - just set the default TX key index */
1508 if (sdata->default_key != sdata->keys[idx]) 1520 if (sdata->default_key != sdata->keys[idx]) {
1521 ieee80211_debugfs_key_remove_default(sdata);
1509 sdata->default_key = sdata->keys[idx]; 1522 sdata->default_key = sdata->keys[idx];
1523 if (sdata->default_key)
1524 ieee80211_debugfs_key_add_default(sdata);
1525 }
1510 return 0; 1526 return 0;
1511 } 1527 }
1512 1528
diff --git a/net/mac80211/ieee80211_key.h b/net/mac80211/ieee80211_key.h
index da67d87705d7..c33384912782 100644
--- a/net/mac80211/ieee80211_key.h
+++ b/net/mac80211/ieee80211_key.h
@@ -83,6 +83,23 @@ struct ieee80211_key {
83 * (used only for broadcast keys). */ 83 * (used only for broadcast keys). */
84 s8 keyidx; /* WEP key index */ 84 s8 keyidx; /* WEP key index */
85 85
86#ifdef CONFIG_MAC80211_DEBUGFS
87 struct {
88 struct dentry *stalink;
89 struct dentry *dir;
90 struct dentry *keylen;
91 struct dentry *force_sw_encrypt;
92 struct dentry *keyidx;
93 struct dentry *hw_key_idx;
94 struct dentry *tx_rx_count;
95 struct dentry *algorithm;
96 struct dentry *tx_spec;
97 struct dentry *rx_spec;
98 struct dentry *replays;
99 struct dentry *key;
100 } debugfs;
101#endif
102
86 u8 key[0]; 103 u8 key[0];
87}; 104};
88 105
diff --git a/net/mac80211/ieee80211_rate.h b/net/mac80211/ieee80211_rate.h
index 710f5685cedd..f021a028d9d0 100644
--- a/net/mac80211/ieee80211_rate.h
+++ b/net/mac80211/ieee80211_rate.h
@@ -56,6 +56,9 @@ struct rate_control_ops {
56 56
57 int (*add_attrs)(void *priv, struct kobject *kobj); 57 int (*add_attrs)(void *priv, struct kobject *kobj);
58 void (*remove_attrs)(void *priv, struct kobject *kobj); 58 void (*remove_attrs)(void *priv, struct kobject *kobj);
59 void (*add_sta_debugfs)(void *priv, void *priv_sta,
60 struct dentry *dir);
61 void (*remove_sta_debugfs)(void *priv, void *priv_sta);
59}; 62};
60 63
61struct rate_control_ref { 64struct rate_control_ref {
@@ -119,4 +122,23 @@ static inline void rate_control_free_sta(struct rate_control_ref *ref,
119 ref->ops->free_sta(ref->priv, priv); 122 ref->ops->free_sta(ref->priv, priv);
120} 123}
121 124
125static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
126{
127#ifdef CONFIG_MAC80211_DEBUGFS
128 struct rate_control_ref *ref = sta->rate_ctrl;
129 if (sta->debugfs.dir && ref->ops->add_sta_debugfs)
130 ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv,
131 sta->debugfs.dir);
132#endif
133}
134
135static inline void rate_control_remove_sta_debugfs(struct sta_info *sta)
136{
137#ifdef CONFIG_MAC80211_DEBUGFS
138 struct rate_control_ref *ref = sta->rate_ctrl;
139 if (ref->ops->remove_sta_debugfs)
140 ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv);
141#endif
142}
143
122#endif /* IEEE80211_RATE_H */ 144#endif /* IEEE80211_RATE_H */
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
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index cddaf578dc8f..ab7b1f067c6e 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -19,6 +19,8 @@
19#include "ieee80211_i.h" 19#include "ieee80211_i.h"
20#include "ieee80211_rate.h" 20#include "ieee80211_rate.h"
21#include "sta_info.h" 21#include "sta_info.h"
22#include "debugfs_key.h"
23#include "debugfs_sta.h"
22 24
23/* Caller must hold local->sta_lock */ 25/* Caller must hold local->sta_lock */
24static void sta_info_hash_add(struct ieee80211_local *local, 26static void sta_info_hash_add(struct ieee80211_local *local,
@@ -120,6 +122,8 @@ static void sta_info_release(struct kref *kref)
120 } 122 }
121 rate_control_free_sta(sta->rate_ctrl, sta->rate_ctrl_priv); 123 rate_control_free_sta(sta->rate_ctrl, sta->rate_ctrl_priv);
122 rate_control_put(sta->rate_ctrl); 124 rate_control_put(sta->rate_ctrl);
125 if (sta->key)
126 ieee80211_debugfs_key_sta_del(sta->key, sta);
123 kfree(sta); 127 kfree(sta);
124} 128}
125 129
@@ -173,9 +177,42 @@ struct sta_info * sta_info_add(struct ieee80211_local *local,
173 local->mdev->name, MAC_ARG(addr)); 177 local->mdev->name, MAC_ARG(addr));
174#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ 178#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
175 179
180#ifdef CONFIG_MAC80211_DEBUGFS
181 if (!in_interrupt()) {
182 sta->debugfs_registered = 1;
183 ieee80211_sta_debugfs_add(sta);
184 rate_control_add_sta_debugfs(sta);
185 } else {
186 /* debugfs entry adding might sleep, so schedule process
187 * context task for adding entry for STAs that do not yet
188 * have one. */
189 queue_work(local->hw.workqueue, &local->sta_debugfs_add);
190 }
191#endif
192
176 return sta; 193 return sta;
177} 194}
178 195
196static void finish_sta_info_free(struct ieee80211_local *local,
197 struct sta_info *sta)
198{
199#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
200 printk(KERN_DEBUG "%s: Removed STA " MAC_FMT "\n",
201 local->mdev->name, MAC_ARG(sta->addr));
202#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
203
204 if (sta->key) {
205 ieee80211_debugfs_key_remove(sta->key);
206 ieee80211_key_free(sta->key);
207 sta->key = NULL;
208 }
209
210 rate_control_remove_sta_debugfs(sta);
211 ieee80211_sta_debugfs_remove(sta);
212
213 sta_info_put(sta);
214}
215
179static void sta_info_remove(struct sta_info *sta) 216static void sta_info_remove(struct sta_info *sta)
180{ 217{
181 struct ieee80211_local *local = sta->local; 218 struct ieee80211_local *local = sta->local;
@@ -239,17 +276,13 @@ void sta_info_free(struct sta_info *sta, int locked)
239 sta->key_idx_compression = HW_KEY_IDX_INVALID; 276 sta->key_idx_compression = HW_KEY_IDX_INVALID;
240 } 277 }
241 278
242#ifdef CONFIG_MAC80211_VERBOSE_DEBUG 279#ifdef CONFIG_MAC80211_DEBUGFS
243 printk(KERN_DEBUG "%s: Removed STA " MAC_FMT "\n", 280 if (in_atomic()) {
244 local->mdev->name, MAC_ARG(sta->addr)); 281 list_add(&sta->list, &local->deleted_sta_list);
245#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ 282 queue_work(local->hw.workqueue, &local->sta_debugfs_add);
246 283 } else
247 if (sta->key) { 284#endif
248 ieee80211_key_free(sta->key); 285 finish_sta_info_free(local, sta);
249 sta->key = NULL;
250 }
251
252 sta_info_put(sta);
253} 286}
254 287
255 288
@@ -322,6 +355,50 @@ static void sta_info_cleanup(unsigned long data)
322 add_timer(&local->sta_cleanup); 355 add_timer(&local->sta_cleanup);
323} 356}
324 357
358#ifdef CONFIG_MAC80211_DEBUGFS
359static void sta_info_debugfs_add_task(struct work_struct *work)
360{
361 struct ieee80211_local *local =
362 container_of(work, struct ieee80211_local, sta_debugfs_add);
363 struct sta_info *sta, *tmp;
364
365 while (1) {
366 spin_lock_bh(&local->sta_lock);
367 if (!list_empty(&local->deleted_sta_list)) {
368 sta = list_entry(local->deleted_sta_list.next,
369 struct sta_info, list);
370 list_del(local->deleted_sta_list.next);
371 } else
372 sta = NULL;
373 spin_unlock_bh(&local->sta_lock);
374 if (!sta)
375 break;
376 finish_sta_info_free(local, sta);
377 }
378
379 while (1) {
380 sta = NULL;
381 spin_lock_bh(&local->sta_lock);
382 list_for_each_entry(tmp, &local->sta_list, list) {
383 if (!tmp->debugfs_registered) {
384 sta = tmp;
385 __sta_info_get(sta);
386 break;
387 }
388 }
389 spin_unlock_bh(&local->sta_lock);
390
391 if (!sta)
392 break;
393
394 sta->debugfs_registered = 1;
395 ieee80211_sta_debugfs_add(sta);
396 rate_control_add_sta_debugfs(sta);
397 sta_info_put(sta);
398 }
399}
400#endif
401
325void sta_info_init(struct ieee80211_local *local) 402void sta_info_init(struct ieee80211_local *local)
326{ 403{
327 spin_lock_init(&local->sta_lock); 404 spin_lock_init(&local->sta_lock);
@@ -332,6 +409,10 @@ void sta_info_init(struct ieee80211_local *local)
332 local->sta_cleanup.expires = jiffies + STA_INFO_CLEANUP_INTERVAL; 409 local->sta_cleanup.expires = jiffies + STA_INFO_CLEANUP_INTERVAL;
333 local->sta_cleanup.data = (unsigned long) local; 410 local->sta_cleanup.data = (unsigned long) local;
334 local->sta_cleanup.function = sta_info_cleanup; 411 local->sta_cleanup.function = sta_info_cleanup;
412
413#ifdef CONFIG_MAC80211_DEBUGFS
414 INIT_WORK(&local->sta_debugfs_add, sta_info_debugfs_add_task);
415#endif
335} 416}
336 417
337int sta_info_start(struct ieee80211_local *local) 418int sta_info_start(struct ieee80211_local *local)
@@ -347,7 +428,10 @@ void sta_info_stop(struct ieee80211_local *local)
347 del_timer(&local->sta_cleanup); 428 del_timer(&local->sta_cleanup);
348 429
349 list_for_each_entry_safe(sta, tmp, &local->sta_list, list) { 430 list_for_each_entry_safe(sta, tmp, &local->sta_list, list) {
350 /* We don't need locking at this point. */ 431 /* sta_info_free must be called with 0 as the last
432 * parameter to ensure all debugfs sta entries are
433 * unregistered. We don't need locking at this
434 * point. */
351 sta_info_free(sta, 0); 435 sta_info_free(sta, 0);
352 } 436 }
353} 437}
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index f26e1c294395..b5591d2f60a4 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -98,6 +98,9 @@ struct sta_info {
98 * filtering; used only if sta->key is not 98 * filtering; used only if sta->key is not
99 * set */ 99 * set */
100 100
101#ifdef CONFIG_MAC80211_DEBUGFS
102 int debugfs_registered;
103#endif
101 int assoc_ap; /* whether this is an AP that we are 104 int assoc_ap; /* whether this is an AP that we are
102 * associated with as a client */ 105 * associated with as a client */
103 106
@@ -109,6 +112,22 @@ struct sta_info {
109 int vlan_id; 112 int vlan_id;
110 113
111 u16 listen_interval; 114 u16 listen_interval;
115
116#ifdef CONFIG_MAC80211_DEBUGFS
117 struct sta_info_debugfsdentries {
118 struct dentry *dir;
119 struct dentry *flags;
120 struct dentry *num_ps_buf_frames;
121 struct dentry *last_ack_rssi;
122 struct dentry *last_ack_ms;
123 struct dentry *inactive_ms;
124 struct dentry *last_seq_ctrl;
125#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
126 struct dentry *wme_rx_queue;
127 struct dentry *wme_tx_queue;
128#endif
129 } debugfs;
130#endif
112}; 131};
113 132
114 133
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-10 01:57:25 -0500