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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * mac80211 debugfs for wireless PHYs
4 *
5 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
6 * Copyright 2013-2014 Intel Mobile Communications GmbH
7 * Copyright (C) 2018 - 2019 Intel Corporation
8 */
9
10#include <linux/debugfs.h>
11#include <linux/rtnetlink.h>
12#include <linux/vmalloc.h>
13#include "ieee80211_i.h"
14#include "driver-ops.h"
15#include "rate.h"
16#include "debugfs.h"
17
18#define DEBUGFS_FORMAT_BUFFER_SIZE 100
19
20int mac80211_format_buffer(char __user *userbuf, size_t count,
21 loff_t *ppos, char *fmt, ...)
22{
23 va_list args;
24 char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
25 int res;
26
27 va_start(args, fmt);
28 res = vscnprintf(buf, sizeof(buf), fmt, args);
29 va_end(args);
30
31 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
32}
33
34#define DEBUGFS_READONLY_FILE_FN(name, fmt, value...) \
35static ssize_t name## _read(struct file *file, char __user *userbuf, \
36 size_t count, loff_t *ppos) \
37{ \
38 struct ieee80211_local *local = file->private_data; \
39 \
40 return mac80211_format_buffer(userbuf, count, ppos, \
41 fmt "\n", ##value); \
42}
43
44#define DEBUGFS_READONLY_FILE_OPS(name) \
45static const struct file_operations name## _ops = { \
46 .read = name## _read, \
47 .open = simple_open, \
48 .llseek = generic_file_llseek, \
49};
50
51#define DEBUGFS_READONLY_FILE(name, fmt, value...) \
52 DEBUGFS_READONLY_FILE_FN(name, fmt, value) \
53 DEBUGFS_READONLY_FILE_OPS(name)
54
55#define DEBUGFS_ADD(name) \
56 debugfs_create_file(#name, 0400, phyd, local, &name## _ops);
57
58#define DEBUGFS_ADD_MODE(name, mode) \
59 debugfs_create_file(#name, mode, phyd, local, &name## _ops);
60
61
62DEBUGFS_READONLY_FILE(hw_conf, "%x",
63 local->hw.conf.flags);
64DEBUGFS_READONLY_FILE(user_power, "%d",
65 local->user_power_level);
66DEBUGFS_READONLY_FILE(power, "%d",
67 local->hw.conf.power_level);
68DEBUGFS_READONLY_FILE(total_ps_buffered, "%d",
69 local->total_ps_buffered);
70DEBUGFS_READONLY_FILE(wep_iv, "%#08x",
71 local->wep_iv & 0xffffff);
72DEBUGFS_READONLY_FILE(rate_ctrl_alg, "%s",
73 local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver");
74
75static ssize_t aqm_read(struct file *file,
76 char __user *user_buf,
77 size_t count,
78 loff_t *ppos)
79{
80 struct ieee80211_local *local = file->private_data;
81 struct fq *fq = &local->fq;
82 char buf[200];
83 int len = 0;
84
85 spin_lock_bh(&local->fq.lock);
86 rcu_read_lock();
87
88 len = scnprintf(buf, sizeof(buf),
89 "access name value\n"
90 "R fq_flows_cnt %u\n"
91 "R fq_backlog %u\n"
92 "R fq_overlimit %u\n"
93 "R fq_overmemory %u\n"
94 "R fq_collisions %u\n"
95 "R fq_memory_usage %u\n"
96 "RW fq_memory_limit %u\n"
97 "RW fq_limit %u\n"
98 "RW fq_quantum %u\n",
99 fq->flows_cnt,
100 fq->backlog,
101 fq->overmemory,
102 fq->overlimit,
103 fq->collisions,
104 fq->memory_usage,
105 fq->memory_limit,
106 fq->limit,
107 fq->quantum);
108
109 rcu_read_unlock();
110 spin_unlock_bh(&local->fq.lock);
111
112 return simple_read_from_buffer(user_buf, count, ppos,
113 buf, len);
114}
115
116static ssize_t aqm_write(struct file *file,
117 const char __user *user_buf,
118 size_t count,
119 loff_t *ppos)
120{
121 struct ieee80211_local *local = file->private_data;
122 char buf[100];
123 size_t len;
124
125 if (count > sizeof(buf))
126 return -EINVAL;
127
128 if (copy_from_user(buf, user_buf, count))
129 return -EFAULT;
130
131 buf[sizeof(buf) - 1] = '\0';
132 len = strlen(buf);
133 if (len > 0 && buf[len-1] == '\n')
134 buf[len-1] = 0;
135
136 if (sscanf(buf, "fq_limit %u", &local->fq.limit) == 1)
137 return count;
138 else if (sscanf(buf, "fq_memory_limit %u", &local->fq.memory_limit) == 1)
139 return count;
140 else if (sscanf(buf, "fq_quantum %u", &local->fq.quantum) == 1)
141 return count;
142
143 return -EINVAL;
144}
145
146static const struct file_operations aqm_ops = {
147 .write = aqm_write,
148 .read = aqm_read,
149 .open = simple_open,
150 .llseek = default_llseek,
151};
152
153static ssize_t airtime_flags_read(struct file *file,
154 char __user *user_buf,
155 size_t count, loff_t *ppos)
156{
157 struct ieee80211_local *local = file->private_data;
158 char buf[128] = {}, *pos, *end;
159
160 pos = buf;
161 end = pos + sizeof(buf) - 1;
162
163 if (local->airtime_flags & AIRTIME_USE_TX)
164 pos += scnprintf(pos, end - pos, "AIRTIME_TX\t(%lx)\n",
165 AIRTIME_USE_TX);
166 if (local->airtime_flags & AIRTIME_USE_RX)
167 pos += scnprintf(pos, end - pos, "AIRTIME_RX\t(%lx)\n",
168 AIRTIME_USE_RX);
169
170 return simple_read_from_buffer(user_buf, count, ppos, buf,
171 strlen(buf));
172}
173
174static ssize_t airtime_flags_write(struct file *file,
175 const char __user *user_buf,
176 size_t count, loff_t *ppos)
177{
178 struct ieee80211_local *local = file->private_data;
179 char buf[16];
180 size_t len;
181
182 if (count > sizeof(buf))
183 return -EINVAL;
184
185 if (copy_from_user(buf, user_buf, count))
186 return -EFAULT;
187
188 buf[sizeof(buf) - 1] = 0;
189 len = strlen(buf);
190 if (len > 0 && buf[len - 1] == '\n')
191 buf[len - 1] = 0;
192
193 if (kstrtou16(buf, 0, &local->airtime_flags))
194 return -EINVAL;
195
196 return count;
197}
198
199static const struct file_operations airtime_flags_ops = {
200 .write = airtime_flags_write,
201 .read = airtime_flags_read,
202 .open = simple_open,
203 .llseek = default_llseek,
204};
205
206static ssize_t aql_txq_limit_read(struct file *file,
207 char __user *user_buf,
208 size_t count,
209 loff_t *ppos)
210{
211 struct ieee80211_local *local = file->private_data;
212 char buf[400];
213 int len = 0;
214
215 len = scnprintf(buf, sizeof(buf),
216 "AC AQL limit low AQL limit high\n"
217 "VO %u %u\n"
218 "VI %u %u\n"
219 "BE %u %u\n"
220 "BK %u %u\n",
221 local->aql_txq_limit_low[IEEE80211_AC_VO],
222 local->aql_txq_limit_high[IEEE80211_AC_VO],
223 local->aql_txq_limit_low[IEEE80211_AC_VI],
224 local->aql_txq_limit_high[IEEE80211_AC_VI],
225 local->aql_txq_limit_low[IEEE80211_AC_BE],
226 local->aql_txq_limit_high[IEEE80211_AC_BE],
227 local->aql_txq_limit_low[IEEE80211_AC_BK],
228 local->aql_txq_limit_high[IEEE80211_AC_BK]);
229 return simple_read_from_buffer(user_buf, count, ppos,
230 buf, len);
231}
232
233static ssize_t aql_txq_limit_write(struct file *file,
234 const char __user *user_buf,
235 size_t count,
236 loff_t *ppos)
237{
238 struct ieee80211_local *local = file->private_data;
239 char buf[100];
240 size_t len;
241 u32 ac, q_limit_low, q_limit_high, q_limit_low_old, q_limit_high_old;
242 struct sta_info *sta;
243
244 if (count > sizeof(buf))
245 return -EINVAL;
246
247 if (copy_from_user(buf, user_buf, count))
248 return -EFAULT;
249
250 buf[sizeof(buf) - 1] = 0;
251 len = strlen(buf);
252 if (len > 0 && buf[len - 1] == '\n')
253 buf[len - 1] = 0;
254
255 if (sscanf(buf, "%u %u %u", &ac, &q_limit_low, &q_limit_high) != 3)
256 return -EINVAL;
257
258 if (ac >= IEEE80211_NUM_ACS)
259 return -EINVAL;
260
261 q_limit_low_old = local->aql_txq_limit_low[ac];
262 q_limit_high_old = local->aql_txq_limit_high[ac];
263
264 local->aql_txq_limit_low[ac] = q_limit_low;
265 local->aql_txq_limit_high[ac] = q_limit_high;
266
267 mutex_lock(&local->sta_mtx);
268 list_for_each_entry(sta, &local->sta_list, list) {
269 /* If a sta has customized queue limits, keep it */
270 if (sta->airtime[ac].aql_limit_low == q_limit_low_old &&
271 sta->airtime[ac].aql_limit_high == q_limit_high_old) {
272 sta->airtime[ac].aql_limit_low = q_limit_low;
273 sta->airtime[ac].aql_limit_high = q_limit_high;
274 }
275 }
276 mutex_unlock(&local->sta_mtx);
277 return count;
278}
279
280static const struct file_operations aql_txq_limit_ops = {
281 .write = aql_txq_limit_write,
282 .read = aql_txq_limit_read,
283 .open = simple_open,
284 .llseek = default_llseek,
285};
286
287static ssize_t force_tx_status_read(struct file *file,
288 char __user *user_buf,
289 size_t count,
290 loff_t *ppos)
291{
292 struct ieee80211_local *local = file->private_data;
293 char buf[3];
294 int len = 0;
295
296 len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status);
297
298 return simple_read_from_buffer(user_buf, count, ppos,
299 buf, len);
300}
301
302static ssize_t force_tx_status_write(struct file *file,
303 const char __user *user_buf,
304 size_t count,
305 loff_t *ppos)
306{
307 struct ieee80211_local *local = file->private_data;
308 char buf[3];
309 size_t len;
310
311 if (count > sizeof(buf))
312 return -EINVAL;
313
314 if (copy_from_user(buf, user_buf, count))
315 return -EFAULT;
316
317 buf[sizeof(buf) - 1] = '\0';
318 len = strlen(buf);
319 if (len > 0 && buf[len - 1] == '\n')
320 buf[len - 1] = 0;
321
322 if (buf[0] == '0' && buf[1] == '\0')
323 local->force_tx_status = 0;
324 else if (buf[0] == '1' && buf[1] == '\0')
325 local->force_tx_status = 1;
326 else
327 return -EINVAL;
328
329 return count;
330}
331
332static const struct file_operations force_tx_status_ops = {
333 .write = force_tx_status_write,
334 .read = force_tx_status_read,
335 .open = simple_open,
336 .llseek = default_llseek,
337};
338
339#ifdef CONFIG_PM
340static ssize_t reset_write(struct file *file, const char __user *user_buf,
341 size_t count, loff_t *ppos)
342{
343 struct ieee80211_local *local = file->private_data;
344
345 rtnl_lock();
346 __ieee80211_suspend(&local->hw, NULL);
347 __ieee80211_resume(&local->hw);
348 rtnl_unlock();
349
350 return count;
351}
352
353static const struct file_operations reset_ops = {
354 .write = reset_write,
355 .open = simple_open,
356 .llseek = noop_llseek,
357};
358#endif
359
360static const char *hw_flag_names[] = {
361#define FLAG(F) [IEEE80211_HW_##F] = #F
362 FLAG(HAS_RATE_CONTROL),
363 FLAG(RX_INCLUDES_FCS),
364 FLAG(HOST_BROADCAST_PS_BUFFERING),
365 FLAG(SIGNAL_UNSPEC),
366 FLAG(SIGNAL_DBM),
367 FLAG(NEED_DTIM_BEFORE_ASSOC),
368 FLAG(SPECTRUM_MGMT),
369 FLAG(AMPDU_AGGREGATION),
370 FLAG(SUPPORTS_PS),
371 FLAG(PS_NULLFUNC_STACK),
372 FLAG(SUPPORTS_DYNAMIC_PS),
373 FLAG(MFP_CAPABLE),
374 FLAG(WANT_MONITOR_VIF),
375 FLAG(NO_AUTO_VIF),
376 FLAG(SW_CRYPTO_CONTROL),
377 FLAG(SUPPORT_FAST_XMIT),
378 FLAG(REPORTS_TX_ACK_STATUS),
379 FLAG(CONNECTION_MONITOR),
380 FLAG(QUEUE_CONTROL),
381 FLAG(SUPPORTS_PER_STA_GTK),
382 FLAG(AP_LINK_PS),
383 FLAG(TX_AMPDU_SETUP_IN_HW),
384 FLAG(SUPPORTS_RC_TABLE),
385 FLAG(P2P_DEV_ADDR_FOR_INTF),
386 FLAG(TIMING_BEACON_ONLY),
387 FLAG(SUPPORTS_HT_CCK_RATES),
388 FLAG(CHANCTX_STA_CSA),
389 FLAG(SUPPORTS_CLONED_SKBS),
390 FLAG(SINGLE_SCAN_ON_ALL_BANDS),
391 FLAG(TDLS_WIDER_BW),
392 FLAG(SUPPORTS_AMSDU_IN_AMPDU),
393 FLAG(BEACON_TX_STATUS),
394 FLAG(NEEDS_UNIQUE_STA_ADDR),
395 FLAG(SUPPORTS_REORDERING_BUFFER),
396 FLAG(USES_RSS),
397 FLAG(TX_AMSDU),
398 FLAG(TX_FRAG_LIST),
399 FLAG(REPORTS_LOW_ACK),
400 FLAG(SUPPORTS_TX_FRAG),
401 FLAG(SUPPORTS_TDLS_BUFFER_STA),
402 FLAG(DEAUTH_NEED_MGD_TX_PREP),
403 FLAG(DOESNT_SUPPORT_QOS_NDP),
404 FLAG(BUFF_MMPDU_TXQ),
405 FLAG(SUPPORTS_VHT_EXT_NSS_BW),
406 FLAG(STA_MMPDU_TXQ),
407 FLAG(TX_STATUS_NO_AMPDU_LEN),
408 FLAG(SUPPORTS_MULTI_BSSID),
409 FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID),
410 FLAG(AMPDU_KEYBORDER_SUPPORT),
411#undef FLAG
412};
413
414static ssize_t hwflags_read(struct file *file, char __user *user_buf,
415 size_t count, loff_t *ppos)
416{
417 struct ieee80211_local *local = file->private_data;
418 size_t bufsz = 30 * NUM_IEEE80211_HW_FLAGS;
419 char *buf = kzalloc(bufsz, GFP_KERNEL);
420 char *pos = buf, *end = buf + bufsz - 1;
421 ssize_t rv;
422 int i;
423
424 if (!buf)
425 return -ENOMEM;
426
427 /* fail compilation if somebody adds or removes
428 * a flag without updating the name array above
429 */
430 BUILD_BUG_ON(ARRAY_SIZE(hw_flag_names) != NUM_IEEE80211_HW_FLAGS);
431
432 for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) {
433 if (test_bit(i, local->hw.flags))
434 pos += scnprintf(pos, end - pos, "%s\n",
435 hw_flag_names[i]);
436 }
437
438 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
439 kfree(buf);
440 return rv;
441}
442
443static ssize_t misc_read(struct file *file, char __user *user_buf,
444 size_t count, loff_t *ppos)
445{
446 struct ieee80211_local *local = file->private_data;
447 /* Max len of each line is 16 characters, plus 9 for 'pending:\n' */
448 size_t bufsz = IEEE80211_MAX_QUEUES * 16 + 9;
449 char *buf;
450 char *pos, *end;
451 ssize_t rv;
452 int i;
453 int ln;
454
455 buf = kzalloc(bufsz, GFP_KERNEL);
456 if (!buf)
457 return -ENOMEM;
458
459 pos = buf;
460 end = buf + bufsz - 1;
461
462 pos += scnprintf(pos, end - pos, "pending:\n");
463
464 for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
465 ln = skb_queue_len(&local->pending[i]);
466 pos += scnprintf(pos, end - pos, "[%i] %d\n",
467 i, ln);
468 }
469
470 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
471 kfree(buf);
472 return rv;
473}
474
475static ssize_t queues_read(struct file *file, char __user *user_buf,
476 size_t count, loff_t *ppos)
477{
478 struct ieee80211_local *local = file->private_data;
479 unsigned long flags;
480 char buf[IEEE80211_MAX_QUEUES * 20];
481 int q, res = 0;
482
483 spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
484 for (q = 0; q < local->hw.queues; q++)
485 res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q,
486 local->queue_stop_reasons[q],
487 skb_queue_len(&local->pending[q]));
488 spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
489
490 return simple_read_from_buffer(user_buf, count, ppos, buf, res);
491}
492
493DEBUGFS_READONLY_FILE_OPS(hwflags);
494DEBUGFS_READONLY_FILE_OPS(queues);
495DEBUGFS_READONLY_FILE_OPS(misc);
496
497/* statistics stuff */
498
499static ssize_t format_devstat_counter(struct ieee80211_local *local,
500 char __user *userbuf,
501 size_t count, loff_t *ppos,
502 int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf,
503 int buflen))
504{
505 struct ieee80211_low_level_stats stats;
506 char buf[20];
507 int res;
508
509 rtnl_lock();
510 res = drv_get_stats(local, &stats);
511 rtnl_unlock();
512 if (res)
513 return res;
514 res = printvalue(&stats, buf, sizeof(buf));
515 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
516}
517
518#define DEBUGFS_DEVSTATS_FILE(name) \
519static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\
520 char *buf, int buflen) \
521{ \
522 return scnprintf(buf, buflen, "%u\n", stats->name); \
523} \
524static ssize_t stats_ ##name## _read(struct file *file, \
525 char __user *userbuf, \
526 size_t count, loff_t *ppos) \
527{ \
528 return format_devstat_counter(file->private_data, \
529 userbuf, \
530 count, \
531 ppos, \
532 print_devstats_##name); \
533} \
534 \
535static const struct file_operations stats_ ##name## _ops = { \
536 .read = stats_ ##name## _read, \
537 .open = simple_open, \
538 .llseek = generic_file_llseek, \
539};
540
541#define DEBUGFS_STATS_ADD(name) \
542 debugfs_create_u32(#name, 0400, statsd, &local->name);
543#define DEBUGFS_DEVSTATS_ADD(name) \
544 debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops);
545
546DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount);
547DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount);
548DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount);
549DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount);
550
551void debugfs_hw_add(struct ieee80211_local *local)
552{
553 struct dentry *phyd = local->hw.wiphy->debugfsdir;
554 struct dentry *statsd;
555
556 if (!phyd)
557 return;
558
559 local->debugfs.keys = debugfs_create_dir("keys", phyd);
560
561 DEBUGFS_ADD(total_ps_buffered);
562 DEBUGFS_ADD(wep_iv);
563 DEBUGFS_ADD(rate_ctrl_alg);
564 DEBUGFS_ADD(queues);
565 DEBUGFS_ADD(misc);
566#ifdef CONFIG_PM
567 DEBUGFS_ADD_MODE(reset, 0200);
568#endif
569 DEBUGFS_ADD(hwflags);
570 DEBUGFS_ADD(user_power);
571 DEBUGFS_ADD(power);
572 DEBUGFS_ADD(hw_conf);
573 DEBUGFS_ADD_MODE(force_tx_status, 0600);
574
575 if (local->ops->wake_tx_queue)
576 DEBUGFS_ADD_MODE(aqm, 0600);
577
578 DEBUGFS_ADD_MODE(airtime_flags, 0600);
579
580 DEBUGFS_ADD(aql_txq_limit);
581 debugfs_create_u32("aql_threshold", 0600,
582 phyd, &local->aql_threshold);
583
584 statsd = debugfs_create_dir("statistics", phyd);
585
586 /* if the dir failed, don't put all the other things into the root! */
587 if (!statsd)
588 return;
589
590#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
591 DEBUGFS_STATS_ADD(dot11TransmittedFragmentCount);
592 DEBUGFS_STATS_ADD(dot11MulticastTransmittedFrameCount);
593 DEBUGFS_STATS_ADD(dot11FailedCount);
594 DEBUGFS_STATS_ADD(dot11RetryCount);
595 DEBUGFS_STATS_ADD(dot11MultipleRetryCount);
596 DEBUGFS_STATS_ADD(dot11FrameDuplicateCount);
597 DEBUGFS_STATS_ADD(dot11ReceivedFragmentCount);
598 DEBUGFS_STATS_ADD(dot11MulticastReceivedFrameCount);
599 DEBUGFS_STATS_ADD(dot11TransmittedFrameCount);
600 DEBUGFS_STATS_ADD(tx_handlers_drop);
601 DEBUGFS_STATS_ADD(tx_handlers_queued);
602 DEBUGFS_STATS_ADD(tx_handlers_drop_wep);
603 DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc);
604 DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port);
605 DEBUGFS_STATS_ADD(rx_handlers_drop);
606 DEBUGFS_STATS_ADD(rx_handlers_queued);
607 DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc);
608 DEBUGFS_STATS_ADD(rx_handlers_drop_defrag);
609 DEBUGFS_STATS_ADD(tx_expand_skb_head);
610 DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
611 DEBUGFS_STATS_ADD(rx_expand_skb_head_defrag);
612 DEBUGFS_STATS_ADD(rx_handlers_fragments);
613 DEBUGFS_STATS_ADD(tx_status_drop);
614#endif
615 DEBUGFS_DEVSTATS_ADD(dot11ACKFailureCount);
616 DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount);
617 DEBUGFS_DEVSTATS_ADD(dot11FCSErrorCount);
618 DEBUGFS_DEVSTATS_ADD(dot11RTSSuccessCount);
619}
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * mac80211 debugfs for wireless PHYs
4 *
5 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
6 * Copyright 2013-2014 Intel Mobile Communications GmbH
7 * Copyright (C) 2018 - 2019, 2021-2022 Intel Corporation
8 */
9
10#include <linux/debugfs.h>
11#include <linux/rtnetlink.h>
12#include <linux/vmalloc.h>
13#include "ieee80211_i.h"
14#include "driver-ops.h"
15#include "rate.h"
16#include "debugfs.h"
17
18#define DEBUGFS_FORMAT_BUFFER_SIZE 100
19
20int mac80211_format_buffer(char __user *userbuf, size_t count,
21 loff_t *ppos, char *fmt, ...)
22{
23 va_list args;
24 char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
25 int res;
26
27 va_start(args, fmt);
28 res = vscnprintf(buf, sizeof(buf), fmt, args);
29 va_end(args);
30
31 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
32}
33
34#define DEBUGFS_READONLY_FILE_FN(name, fmt, value...) \
35static ssize_t name## _read(struct file *file, char __user *userbuf, \
36 size_t count, loff_t *ppos) \
37{ \
38 struct ieee80211_local *local = file->private_data; \
39 \
40 return mac80211_format_buffer(userbuf, count, ppos, \
41 fmt "\n", ##value); \
42}
43
44#define DEBUGFS_READONLY_FILE_OPS(name) \
45static const struct file_operations name## _ops = { \
46 .read = name## _read, \
47 .open = simple_open, \
48 .llseek = generic_file_llseek, \
49};
50
51#define DEBUGFS_READONLY_FILE(name, fmt, value...) \
52 DEBUGFS_READONLY_FILE_FN(name, fmt, value) \
53 DEBUGFS_READONLY_FILE_OPS(name)
54
55#define DEBUGFS_ADD(name) \
56 debugfs_create_file(#name, 0400, phyd, local, &name## _ops)
57
58#define DEBUGFS_ADD_MODE(name, mode) \
59 debugfs_create_file(#name, mode, phyd, local, &name## _ops);
60
61
62DEBUGFS_READONLY_FILE(hw_conf, "%x",
63 local->hw.conf.flags);
64DEBUGFS_READONLY_FILE(user_power, "%d",
65 local->user_power_level);
66DEBUGFS_READONLY_FILE(power, "%d",
67 local->hw.conf.power_level);
68DEBUGFS_READONLY_FILE(total_ps_buffered, "%d",
69 local->total_ps_buffered);
70DEBUGFS_READONLY_FILE(wep_iv, "%#08x",
71 local->wep_iv & 0xffffff);
72DEBUGFS_READONLY_FILE(rate_ctrl_alg, "%s",
73 local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver");
74
75static ssize_t aqm_read(struct file *file,
76 char __user *user_buf,
77 size_t count,
78 loff_t *ppos)
79{
80 struct ieee80211_local *local = file->private_data;
81 struct fq *fq = &local->fq;
82 char buf[200];
83 int len = 0;
84
85 spin_lock_bh(&local->fq.lock);
86 rcu_read_lock();
87
88 len = scnprintf(buf, sizeof(buf),
89 "access name value\n"
90 "R fq_flows_cnt %u\n"
91 "R fq_backlog %u\n"
92 "R fq_overlimit %u\n"
93 "R fq_overmemory %u\n"
94 "R fq_collisions %u\n"
95 "R fq_memory_usage %u\n"
96 "RW fq_memory_limit %u\n"
97 "RW fq_limit %u\n"
98 "RW fq_quantum %u\n",
99 fq->flows_cnt,
100 fq->backlog,
101 fq->overmemory,
102 fq->overlimit,
103 fq->collisions,
104 fq->memory_usage,
105 fq->memory_limit,
106 fq->limit,
107 fq->quantum);
108
109 rcu_read_unlock();
110 spin_unlock_bh(&local->fq.lock);
111
112 return simple_read_from_buffer(user_buf, count, ppos,
113 buf, len);
114}
115
116static ssize_t aqm_write(struct file *file,
117 const char __user *user_buf,
118 size_t count,
119 loff_t *ppos)
120{
121 struct ieee80211_local *local = file->private_data;
122 char buf[100];
123
124 if (count >= sizeof(buf))
125 return -EINVAL;
126
127 if (copy_from_user(buf, user_buf, count))
128 return -EFAULT;
129
130 if (count && buf[count - 1] == '\n')
131 buf[count - 1] = '\0';
132 else
133 buf[count] = '\0';
134
135 if (sscanf(buf, "fq_limit %u", &local->fq.limit) == 1)
136 return count;
137 else if (sscanf(buf, "fq_memory_limit %u", &local->fq.memory_limit) == 1)
138 return count;
139 else if (sscanf(buf, "fq_quantum %u", &local->fq.quantum) == 1)
140 return count;
141
142 return -EINVAL;
143}
144
145static const struct file_operations aqm_ops = {
146 .write = aqm_write,
147 .read = aqm_read,
148 .open = simple_open,
149 .llseek = default_llseek,
150};
151
152static ssize_t airtime_flags_read(struct file *file,
153 char __user *user_buf,
154 size_t count, loff_t *ppos)
155{
156 struct ieee80211_local *local = file->private_data;
157 char buf[128] = {}, *pos, *end;
158
159 pos = buf;
160 end = pos + sizeof(buf) - 1;
161
162 if (local->airtime_flags & AIRTIME_USE_TX)
163 pos += scnprintf(pos, end - pos, "AIRTIME_TX\t(%lx)\n",
164 AIRTIME_USE_TX);
165 if (local->airtime_flags & AIRTIME_USE_RX)
166 pos += scnprintf(pos, end - pos, "AIRTIME_RX\t(%lx)\n",
167 AIRTIME_USE_RX);
168
169 return simple_read_from_buffer(user_buf, count, ppos, buf,
170 strlen(buf));
171}
172
173static ssize_t airtime_flags_write(struct file *file,
174 const char __user *user_buf,
175 size_t count, loff_t *ppos)
176{
177 struct ieee80211_local *local = file->private_data;
178 char buf[16];
179
180 if (count >= sizeof(buf))
181 return -EINVAL;
182
183 if (copy_from_user(buf, user_buf, count))
184 return -EFAULT;
185
186 if (count && buf[count - 1] == '\n')
187 buf[count - 1] = '\0';
188 else
189 buf[count] = '\0';
190
191 if (kstrtou16(buf, 0, &local->airtime_flags))
192 return -EINVAL;
193
194 return count;
195}
196
197static const struct file_operations airtime_flags_ops = {
198 .write = airtime_flags_write,
199 .read = airtime_flags_read,
200 .open = simple_open,
201 .llseek = default_llseek,
202};
203
204static ssize_t aql_pending_read(struct file *file,
205 char __user *user_buf,
206 size_t count, loff_t *ppos)
207{
208 struct ieee80211_local *local = file->private_data;
209 char buf[400];
210 int len = 0;
211
212 len = scnprintf(buf, sizeof(buf),
213 "AC AQL pending\n"
214 "VO %u us\n"
215 "VI %u us\n"
216 "BE %u us\n"
217 "BK %u us\n"
218 "total %u us\n",
219 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_VO]),
220 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_VI]),
221 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_BE]),
222 atomic_read(&local->aql_ac_pending_airtime[IEEE80211_AC_BK]),
223 atomic_read(&local->aql_total_pending_airtime));
224 return simple_read_from_buffer(user_buf, count, ppos,
225 buf, len);
226}
227
228static const struct file_operations aql_pending_ops = {
229 .read = aql_pending_read,
230 .open = simple_open,
231 .llseek = default_llseek,
232};
233
234static ssize_t aql_txq_limit_read(struct file *file,
235 char __user *user_buf,
236 size_t count,
237 loff_t *ppos)
238{
239 struct ieee80211_local *local = file->private_data;
240 char buf[400];
241 int len = 0;
242
243 len = scnprintf(buf, sizeof(buf),
244 "AC AQL limit low AQL limit high\n"
245 "VO %u %u\n"
246 "VI %u %u\n"
247 "BE %u %u\n"
248 "BK %u %u\n",
249 local->aql_txq_limit_low[IEEE80211_AC_VO],
250 local->aql_txq_limit_high[IEEE80211_AC_VO],
251 local->aql_txq_limit_low[IEEE80211_AC_VI],
252 local->aql_txq_limit_high[IEEE80211_AC_VI],
253 local->aql_txq_limit_low[IEEE80211_AC_BE],
254 local->aql_txq_limit_high[IEEE80211_AC_BE],
255 local->aql_txq_limit_low[IEEE80211_AC_BK],
256 local->aql_txq_limit_high[IEEE80211_AC_BK]);
257 return simple_read_from_buffer(user_buf, count, ppos,
258 buf, len);
259}
260
261static ssize_t aql_txq_limit_write(struct file *file,
262 const char __user *user_buf,
263 size_t count,
264 loff_t *ppos)
265{
266 struct ieee80211_local *local = file->private_data;
267 char buf[100];
268 u32 ac, q_limit_low, q_limit_high, q_limit_low_old, q_limit_high_old;
269 struct sta_info *sta;
270
271 if (count >= sizeof(buf))
272 return -EINVAL;
273
274 if (copy_from_user(buf, user_buf, count))
275 return -EFAULT;
276
277 if (count && buf[count - 1] == '\n')
278 buf[count - 1] = '\0';
279 else
280 buf[count] = '\0';
281
282 if (sscanf(buf, "%u %u %u", &ac, &q_limit_low, &q_limit_high) != 3)
283 return -EINVAL;
284
285 if (ac >= IEEE80211_NUM_ACS)
286 return -EINVAL;
287
288 q_limit_low_old = local->aql_txq_limit_low[ac];
289 q_limit_high_old = local->aql_txq_limit_high[ac];
290
291 local->aql_txq_limit_low[ac] = q_limit_low;
292 local->aql_txq_limit_high[ac] = q_limit_high;
293
294 mutex_lock(&local->sta_mtx);
295 list_for_each_entry(sta, &local->sta_list, list) {
296 /* If a sta has customized queue limits, keep it */
297 if (sta->airtime[ac].aql_limit_low == q_limit_low_old &&
298 sta->airtime[ac].aql_limit_high == q_limit_high_old) {
299 sta->airtime[ac].aql_limit_low = q_limit_low;
300 sta->airtime[ac].aql_limit_high = q_limit_high;
301 }
302 }
303 mutex_unlock(&local->sta_mtx);
304 return count;
305}
306
307static const struct file_operations aql_txq_limit_ops = {
308 .write = aql_txq_limit_write,
309 .read = aql_txq_limit_read,
310 .open = simple_open,
311 .llseek = default_llseek,
312};
313
314static ssize_t aql_enable_read(struct file *file, char __user *user_buf,
315 size_t count, loff_t *ppos)
316{
317 char buf[3];
318 int len;
319
320 len = scnprintf(buf, sizeof(buf), "%d\n",
321 !static_key_false(&aql_disable.key));
322
323 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
324}
325
326static ssize_t aql_enable_write(struct file *file, const char __user *user_buf,
327 size_t count, loff_t *ppos)
328{
329 bool aql_disabled = static_key_false(&aql_disable.key);
330 char buf[3];
331 size_t len;
332
333 if (count > sizeof(buf))
334 return -EINVAL;
335
336 if (copy_from_user(buf, user_buf, count))
337 return -EFAULT;
338
339 buf[sizeof(buf) - 1] = '\0';
340 len = strlen(buf);
341 if (len > 0 && buf[len - 1] == '\n')
342 buf[len - 1] = 0;
343
344 if (buf[0] == '0' && buf[1] == '\0') {
345 if (!aql_disabled)
346 static_branch_inc(&aql_disable);
347 } else if (buf[0] == '1' && buf[1] == '\0') {
348 if (aql_disabled)
349 static_branch_dec(&aql_disable);
350 } else {
351 return -EINVAL;
352 }
353
354 return count;
355}
356
357static const struct file_operations aql_enable_ops = {
358 .write = aql_enable_write,
359 .read = aql_enable_read,
360 .open = simple_open,
361 .llseek = default_llseek,
362};
363
364static ssize_t force_tx_status_read(struct file *file,
365 char __user *user_buf,
366 size_t count,
367 loff_t *ppos)
368{
369 struct ieee80211_local *local = file->private_data;
370 char buf[3];
371 int len = 0;
372
373 len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status);
374
375 return simple_read_from_buffer(user_buf, count, ppos,
376 buf, len);
377}
378
379static ssize_t force_tx_status_write(struct file *file,
380 const char __user *user_buf,
381 size_t count,
382 loff_t *ppos)
383{
384 struct ieee80211_local *local = file->private_data;
385 char buf[3];
386
387 if (count >= sizeof(buf))
388 return -EINVAL;
389
390 if (copy_from_user(buf, user_buf, count))
391 return -EFAULT;
392
393 if (count && buf[count - 1] == '\n')
394 buf[count - 1] = '\0';
395 else
396 buf[count] = '\0';
397
398 if (buf[0] == '0' && buf[1] == '\0')
399 local->force_tx_status = 0;
400 else if (buf[0] == '1' && buf[1] == '\0')
401 local->force_tx_status = 1;
402 else
403 return -EINVAL;
404
405 return count;
406}
407
408static const struct file_operations force_tx_status_ops = {
409 .write = force_tx_status_write,
410 .read = force_tx_status_read,
411 .open = simple_open,
412 .llseek = default_llseek,
413};
414
415#ifdef CONFIG_PM
416static ssize_t reset_write(struct file *file, const char __user *user_buf,
417 size_t count, loff_t *ppos)
418{
419 struct ieee80211_local *local = file->private_data;
420 int ret;
421
422 rtnl_lock();
423 wiphy_lock(local->hw.wiphy);
424 __ieee80211_suspend(&local->hw, NULL);
425 ret = __ieee80211_resume(&local->hw);
426 wiphy_unlock(local->hw.wiphy);
427
428 if (ret)
429 cfg80211_shutdown_all_interfaces(local->hw.wiphy);
430
431 rtnl_unlock();
432
433 return count;
434}
435
436static const struct file_operations reset_ops = {
437 .write = reset_write,
438 .open = simple_open,
439 .llseek = noop_llseek,
440};
441#endif
442
443static const char *hw_flag_names[] = {
444#define FLAG(F) [IEEE80211_HW_##F] = #F
445 FLAG(HAS_RATE_CONTROL),
446 FLAG(RX_INCLUDES_FCS),
447 FLAG(HOST_BROADCAST_PS_BUFFERING),
448 FLAG(SIGNAL_UNSPEC),
449 FLAG(SIGNAL_DBM),
450 FLAG(NEED_DTIM_BEFORE_ASSOC),
451 FLAG(SPECTRUM_MGMT),
452 FLAG(AMPDU_AGGREGATION),
453 FLAG(SUPPORTS_PS),
454 FLAG(PS_NULLFUNC_STACK),
455 FLAG(SUPPORTS_DYNAMIC_PS),
456 FLAG(MFP_CAPABLE),
457 FLAG(WANT_MONITOR_VIF),
458 FLAG(NO_AUTO_VIF),
459 FLAG(SW_CRYPTO_CONTROL),
460 FLAG(SUPPORT_FAST_XMIT),
461 FLAG(REPORTS_TX_ACK_STATUS),
462 FLAG(CONNECTION_MONITOR),
463 FLAG(QUEUE_CONTROL),
464 FLAG(SUPPORTS_PER_STA_GTK),
465 FLAG(AP_LINK_PS),
466 FLAG(TX_AMPDU_SETUP_IN_HW),
467 FLAG(SUPPORTS_RC_TABLE),
468 FLAG(P2P_DEV_ADDR_FOR_INTF),
469 FLAG(TIMING_BEACON_ONLY),
470 FLAG(SUPPORTS_HT_CCK_RATES),
471 FLAG(CHANCTX_STA_CSA),
472 FLAG(SUPPORTS_CLONED_SKBS),
473 FLAG(SINGLE_SCAN_ON_ALL_BANDS),
474 FLAG(TDLS_WIDER_BW),
475 FLAG(SUPPORTS_AMSDU_IN_AMPDU),
476 FLAG(BEACON_TX_STATUS),
477 FLAG(NEEDS_UNIQUE_STA_ADDR),
478 FLAG(SUPPORTS_REORDERING_BUFFER),
479 FLAG(USES_RSS),
480 FLAG(TX_AMSDU),
481 FLAG(TX_FRAG_LIST),
482 FLAG(REPORTS_LOW_ACK),
483 FLAG(SUPPORTS_TX_FRAG),
484 FLAG(SUPPORTS_TDLS_BUFFER_STA),
485 FLAG(DEAUTH_NEED_MGD_TX_PREP),
486 FLAG(DOESNT_SUPPORT_QOS_NDP),
487 FLAG(BUFF_MMPDU_TXQ),
488 FLAG(SUPPORTS_VHT_EXT_NSS_BW),
489 FLAG(STA_MMPDU_TXQ),
490 FLAG(TX_STATUS_NO_AMPDU_LEN),
491 FLAG(SUPPORTS_MULTI_BSSID),
492 FLAG(SUPPORTS_ONLY_HE_MULTI_BSSID),
493 FLAG(AMPDU_KEYBORDER_SUPPORT),
494 FLAG(SUPPORTS_TX_ENCAP_OFFLOAD),
495 FLAG(SUPPORTS_RX_DECAP_OFFLOAD),
496 FLAG(SUPPORTS_CONC_MON_RX_DECAP),
497 FLAG(DETECTS_COLOR_COLLISION),
498 FLAG(MLO_MCAST_MULTI_LINK_TX),
499#undef FLAG
500};
501
502static ssize_t hwflags_read(struct file *file, char __user *user_buf,
503 size_t count, loff_t *ppos)
504{
505 struct ieee80211_local *local = file->private_data;
506 size_t bufsz = 30 * NUM_IEEE80211_HW_FLAGS;
507 char *buf = kzalloc(bufsz, GFP_KERNEL);
508 char *pos = buf, *end = buf + bufsz - 1;
509 ssize_t rv;
510 int i;
511
512 if (!buf)
513 return -ENOMEM;
514
515 /* fail compilation if somebody adds or removes
516 * a flag without updating the name array above
517 */
518 BUILD_BUG_ON(ARRAY_SIZE(hw_flag_names) != NUM_IEEE80211_HW_FLAGS);
519
520 for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) {
521 if (test_bit(i, local->hw.flags))
522 pos += scnprintf(pos, end - pos, "%s\n",
523 hw_flag_names[i]);
524 }
525
526 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
527 kfree(buf);
528 return rv;
529}
530
531static ssize_t misc_read(struct file *file, char __user *user_buf,
532 size_t count, loff_t *ppos)
533{
534 struct ieee80211_local *local = file->private_data;
535 /* Max len of each line is 16 characters, plus 9 for 'pending:\n' */
536 size_t bufsz = IEEE80211_MAX_QUEUES * 16 + 9;
537 char *buf;
538 char *pos, *end;
539 ssize_t rv;
540 int i;
541 int ln;
542
543 buf = kzalloc(bufsz, GFP_KERNEL);
544 if (!buf)
545 return -ENOMEM;
546
547 pos = buf;
548 end = buf + bufsz - 1;
549
550 pos += scnprintf(pos, end - pos, "pending:\n");
551
552 for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
553 ln = skb_queue_len(&local->pending[i]);
554 pos += scnprintf(pos, end - pos, "[%i] %d\n",
555 i, ln);
556 }
557
558 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
559 kfree(buf);
560 return rv;
561}
562
563static ssize_t queues_read(struct file *file, char __user *user_buf,
564 size_t count, loff_t *ppos)
565{
566 struct ieee80211_local *local = file->private_data;
567 unsigned long flags;
568 char buf[IEEE80211_MAX_QUEUES * 20];
569 int q, res = 0;
570
571 spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
572 for (q = 0; q < local->hw.queues; q++)
573 res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q,
574 local->queue_stop_reasons[q],
575 skb_queue_len(&local->pending[q]));
576 spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
577
578 return simple_read_from_buffer(user_buf, count, ppos, buf, res);
579}
580
581DEBUGFS_READONLY_FILE_OPS(hwflags);
582DEBUGFS_READONLY_FILE_OPS(queues);
583DEBUGFS_READONLY_FILE_OPS(misc);
584
585/* statistics stuff */
586
587static ssize_t format_devstat_counter(struct ieee80211_local *local,
588 char __user *userbuf,
589 size_t count, loff_t *ppos,
590 int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf,
591 int buflen))
592{
593 struct ieee80211_low_level_stats stats;
594 char buf[20];
595 int res;
596
597 rtnl_lock();
598 res = drv_get_stats(local, &stats);
599 rtnl_unlock();
600 if (res)
601 return res;
602 res = printvalue(&stats, buf, sizeof(buf));
603 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
604}
605
606#define DEBUGFS_DEVSTATS_FILE(name) \
607static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\
608 char *buf, int buflen) \
609{ \
610 return scnprintf(buf, buflen, "%u\n", stats->name); \
611} \
612static ssize_t stats_ ##name## _read(struct file *file, \
613 char __user *userbuf, \
614 size_t count, loff_t *ppos) \
615{ \
616 return format_devstat_counter(file->private_data, \
617 userbuf, \
618 count, \
619 ppos, \
620 print_devstats_##name); \
621} \
622 \
623static const struct file_operations stats_ ##name## _ops = { \
624 .read = stats_ ##name## _read, \
625 .open = simple_open, \
626 .llseek = generic_file_llseek, \
627};
628
629#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
630#define DEBUGFS_STATS_ADD(name) \
631 debugfs_create_u32(#name, 0400, statsd, &local->name);
632#endif
633#define DEBUGFS_DEVSTATS_ADD(name) \
634 debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops);
635
636DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount);
637DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount);
638DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount);
639DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount);
640
641void debugfs_hw_add(struct ieee80211_local *local)
642{
643 struct dentry *phyd = local->hw.wiphy->debugfsdir;
644 struct dentry *statsd;
645
646 if (!phyd)
647 return;
648
649 local->debugfs.keys = debugfs_create_dir("keys", phyd);
650
651 DEBUGFS_ADD(total_ps_buffered);
652 DEBUGFS_ADD(wep_iv);
653 DEBUGFS_ADD(rate_ctrl_alg);
654 DEBUGFS_ADD(queues);
655 DEBUGFS_ADD(misc);
656#ifdef CONFIG_PM
657 DEBUGFS_ADD_MODE(reset, 0200);
658#endif
659 DEBUGFS_ADD(hwflags);
660 DEBUGFS_ADD(user_power);
661 DEBUGFS_ADD(power);
662 DEBUGFS_ADD(hw_conf);
663 DEBUGFS_ADD_MODE(force_tx_status, 0600);
664 DEBUGFS_ADD_MODE(aql_enable, 0600);
665 DEBUGFS_ADD(aql_pending);
666 DEBUGFS_ADD_MODE(aqm, 0600);
667
668 DEBUGFS_ADD_MODE(airtime_flags, 0600);
669
670 DEBUGFS_ADD(aql_txq_limit);
671 debugfs_create_u32("aql_threshold", 0600,
672 phyd, &local->aql_threshold);
673
674 statsd = debugfs_create_dir("statistics", phyd);
675
676 /* if the dir failed, don't put all the other things into the root! */
677 if (!statsd)
678 return;
679
680#ifdef CONFIG_MAC80211_DEBUG_COUNTERS
681 DEBUGFS_STATS_ADD(dot11TransmittedFragmentCount);
682 DEBUGFS_STATS_ADD(dot11MulticastTransmittedFrameCount);
683 DEBUGFS_STATS_ADD(dot11FailedCount);
684 DEBUGFS_STATS_ADD(dot11RetryCount);
685 DEBUGFS_STATS_ADD(dot11MultipleRetryCount);
686 DEBUGFS_STATS_ADD(dot11FrameDuplicateCount);
687 DEBUGFS_STATS_ADD(dot11ReceivedFragmentCount);
688 DEBUGFS_STATS_ADD(dot11MulticastReceivedFrameCount);
689 DEBUGFS_STATS_ADD(dot11TransmittedFrameCount);
690 DEBUGFS_STATS_ADD(tx_handlers_drop);
691 DEBUGFS_STATS_ADD(tx_handlers_queued);
692 DEBUGFS_STATS_ADD(tx_handlers_drop_wep);
693 DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc);
694 DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port);
695 DEBUGFS_STATS_ADD(rx_handlers_drop);
696 DEBUGFS_STATS_ADD(rx_handlers_queued);
697 DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc);
698 DEBUGFS_STATS_ADD(rx_handlers_drop_defrag);
699 DEBUGFS_STATS_ADD(tx_expand_skb_head);
700 DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
701 DEBUGFS_STATS_ADD(rx_expand_skb_head_defrag);
702 DEBUGFS_STATS_ADD(rx_handlers_fragments);
703 DEBUGFS_STATS_ADD(tx_status_drop);
704#endif
705 DEBUGFS_DEVSTATS_ADD(dot11ACKFailureCount);
706 DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount);
707 DEBUGFS_DEVSTATS_ADD(dot11FCSErrorCount);
708 DEBUGFS_DEVSTATS_ADD(dot11RTSSuccessCount);
709}