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, 2021-2024 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
mac80211_format_buffer(char __user * userbuf,size_t count,loff_t * ppos,char * fmt,...)20 int 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...) \
35 static 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) \
45 static 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
62 DEBUGFS_READONLY_FILE(hw_conf, "%x",
63 local->hw.conf.flags);
64 DEBUGFS_READONLY_FILE(user_power, "%d",
65 local->user_power_level);
66 DEBUGFS_READONLY_FILE(power, "%d",
67 local->hw.conf.power_level);
68 DEBUGFS_READONLY_FILE(total_ps_buffered, "%d",
69 local->total_ps_buffered);
70 DEBUGFS_READONLY_FILE(wep_iv, "%#08x",
71 local->wep_iv & 0xffffff);
72 DEBUGFS_READONLY_FILE(rate_ctrl_alg, "%s",
73 local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver");
74
aqm_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)75 static 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
aqm_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)116 static 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
145 static const struct file_operations aqm_ops = {
146 .write = aqm_write,
147 .read = aqm_read,
148 .open = simple_open,
149 .llseek = default_llseek,
150 };
151
airtime_flags_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)152 static 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
airtime_flags_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)173 static 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
197 static 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
aql_pending_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)204 static 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
228 static const struct file_operations aql_pending_ops = {
229 .read = aql_pending_read,
230 .open = simple_open,
231 .llseek = default_llseek,
232 };
233
aql_txq_limit_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)234 static 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
aql_txq_limit_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)261 static 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 wiphy_lock(local->hw.wiphy);
292 local->aql_txq_limit_low[ac] = q_limit_low;
293 local->aql_txq_limit_high[ac] = q_limit_high;
294
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 wiphy_unlock(local->hw.wiphy);
304
305 return count;
306 }
307
308 static const struct file_operations aql_txq_limit_ops = {
309 .write = aql_txq_limit_write,
310 .read = aql_txq_limit_read,
311 .open = simple_open,
312 .llseek = default_llseek,
313 };
314
aql_enable_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)315 static ssize_t aql_enable_read(struct file *file, char __user *user_buf,
316 size_t count, loff_t *ppos)
317 {
318 char buf[3];
319 int len;
320
321 len = scnprintf(buf, sizeof(buf), "%d\n",
322 !static_key_false(&aql_disable.key));
323
324 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
325 }
326
aql_enable_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)327 static ssize_t aql_enable_write(struct file *file, const char __user *user_buf,
328 size_t count, loff_t *ppos)
329 {
330 bool aql_disabled = static_key_false(&aql_disable.key);
331 char buf[3];
332 size_t len;
333
334 if (count > sizeof(buf))
335 return -EINVAL;
336
337 if (copy_from_user(buf, user_buf, count))
338 return -EFAULT;
339
340 buf[sizeof(buf) - 1] = '\0';
341 len = strlen(buf);
342 if (len > 0 && buf[len - 1] == '\n')
343 buf[len - 1] = 0;
344
345 if (buf[0] == '0' && buf[1] == '\0') {
346 if (!aql_disabled)
347 static_branch_inc(&aql_disable);
348 } else if (buf[0] == '1' && buf[1] == '\0') {
349 if (aql_disabled)
350 static_branch_dec(&aql_disable);
351 } else {
352 return -EINVAL;
353 }
354
355 return count;
356 }
357
358 static const struct file_operations aql_enable_ops = {
359 .write = aql_enable_write,
360 .read = aql_enable_read,
361 .open = simple_open,
362 .llseek = default_llseek,
363 };
364
force_tx_status_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)365 static ssize_t force_tx_status_read(struct file *file,
366 char __user *user_buf,
367 size_t count,
368 loff_t *ppos)
369 {
370 struct ieee80211_local *local = file->private_data;
371 char buf[3];
372 int len = 0;
373
374 len = scnprintf(buf, sizeof(buf), "%d\n", (int)local->force_tx_status);
375
376 return simple_read_from_buffer(user_buf, count, ppos,
377 buf, len);
378 }
379
force_tx_status_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)380 static ssize_t force_tx_status_write(struct file *file,
381 const char __user *user_buf,
382 size_t count,
383 loff_t *ppos)
384 {
385 struct ieee80211_local *local = file->private_data;
386 char buf[3];
387
388 if (count >= sizeof(buf))
389 return -EINVAL;
390
391 if (copy_from_user(buf, user_buf, count))
392 return -EFAULT;
393
394 if (count && buf[count - 1] == '\n')
395 buf[count - 1] = '\0';
396 else
397 buf[count] = '\0';
398
399 if (buf[0] == '0' && buf[1] == '\0')
400 local->force_tx_status = 0;
401 else if (buf[0] == '1' && buf[1] == '\0')
402 local->force_tx_status = 1;
403 else
404 return -EINVAL;
405
406 return count;
407 }
408
409 static const struct file_operations force_tx_status_ops = {
410 .write = force_tx_status_write,
411 .read = force_tx_status_read,
412 .open = simple_open,
413 .llseek = default_llseek,
414 };
415
416 #ifdef CONFIG_PM
reset_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)417 static ssize_t reset_write(struct file *file, const char __user *user_buf,
418 size_t count, loff_t *ppos)
419 {
420 struct ieee80211_local *local = file->private_data;
421 int ret;
422
423 rtnl_lock();
424 wiphy_lock(local->hw.wiphy);
425 __ieee80211_suspend(&local->hw, NULL);
426 ret = __ieee80211_resume(&local->hw);
427 wiphy_unlock(local->hw.wiphy);
428
429 if (ret)
430 cfg80211_shutdown_all_interfaces(local->hw.wiphy);
431
432 rtnl_unlock();
433
434 return count;
435 }
436
437 static const struct file_operations reset_ops = {
438 .write = reset_write,
439 .open = simple_open,
440 .llseek = noop_llseek,
441 };
442 #endif
443
444 static const char *hw_flag_names[] = {
445 #define FLAG(F) [IEEE80211_HW_##F] = #F
446 FLAG(HAS_RATE_CONTROL),
447 FLAG(RX_INCLUDES_FCS),
448 FLAG(HOST_BROADCAST_PS_BUFFERING),
449 FLAG(SIGNAL_UNSPEC),
450 FLAG(SIGNAL_DBM),
451 FLAG(NEED_DTIM_BEFORE_ASSOC),
452 FLAG(SPECTRUM_MGMT),
453 FLAG(AMPDU_AGGREGATION),
454 FLAG(SUPPORTS_PS),
455 FLAG(PS_NULLFUNC_STACK),
456 FLAG(SUPPORTS_DYNAMIC_PS),
457 FLAG(MFP_CAPABLE),
458 FLAG(WANT_MONITOR_VIF),
459 FLAG(NO_AUTO_VIF),
460 FLAG(SW_CRYPTO_CONTROL),
461 FLAG(SUPPORT_FAST_XMIT),
462 FLAG(REPORTS_TX_ACK_STATUS),
463 FLAG(CONNECTION_MONITOR),
464 FLAG(QUEUE_CONTROL),
465 FLAG(SUPPORTS_PER_STA_GTK),
466 FLAG(AP_LINK_PS),
467 FLAG(TX_AMPDU_SETUP_IN_HW),
468 FLAG(SUPPORTS_RC_TABLE),
469 FLAG(P2P_DEV_ADDR_FOR_INTF),
470 FLAG(TIMING_BEACON_ONLY),
471 FLAG(SUPPORTS_HT_CCK_RATES),
472 FLAG(CHANCTX_STA_CSA),
473 FLAG(SUPPORTS_CLONED_SKBS),
474 FLAG(SINGLE_SCAN_ON_ALL_BANDS),
475 FLAG(TDLS_WIDER_BW),
476 FLAG(SUPPORTS_AMSDU_IN_AMPDU),
477 FLAG(BEACON_TX_STATUS),
478 FLAG(NEEDS_UNIQUE_STA_ADDR),
479 FLAG(SUPPORTS_REORDERING_BUFFER),
480 FLAG(USES_RSS),
481 FLAG(TX_AMSDU),
482 FLAG(TX_FRAG_LIST),
483 FLAG(REPORTS_LOW_ACK),
484 FLAG(SUPPORTS_TX_FRAG),
485 FLAG(SUPPORTS_TDLS_BUFFER_STA),
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 FLAG(DISALLOW_PUNCTURING),
500 FLAG(DISALLOW_PUNCTURING_5GHZ),
501 FLAG(HANDLES_QUIET_CSA),
502 #undef FLAG
503 };
504
hwflags_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)505 static ssize_t hwflags_read(struct file *file, char __user *user_buf,
506 size_t count, loff_t *ppos)
507 {
508 struct ieee80211_local *local = file->private_data;
509 size_t bufsz = 30 * NUM_IEEE80211_HW_FLAGS;
510 char *buf = kzalloc(bufsz, GFP_KERNEL);
511 char *pos = buf, *end = buf + bufsz - 1;
512 ssize_t rv;
513 int i;
514
515 if (!buf)
516 return -ENOMEM;
517
518 /* fail compilation if somebody adds or removes
519 * a flag without updating the name array above
520 */
521 BUILD_BUG_ON(ARRAY_SIZE(hw_flag_names) != NUM_IEEE80211_HW_FLAGS);
522
523 for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) {
524 if (test_bit(i, local->hw.flags))
525 pos += scnprintf(pos, end - pos, "%s\n",
526 hw_flag_names[i]);
527 }
528
529 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
530 kfree(buf);
531 return rv;
532 }
533
misc_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)534 static ssize_t misc_read(struct file *file, char __user *user_buf,
535 size_t count, loff_t *ppos)
536 {
537 struct ieee80211_local *local = file->private_data;
538 /* Max len of each line is 16 characters, plus 9 for 'pending:\n' */
539 size_t bufsz = IEEE80211_MAX_QUEUES * 16 + 9;
540 char *buf;
541 char *pos, *end;
542 ssize_t rv;
543 int i;
544 int ln;
545
546 buf = kzalloc(bufsz, GFP_KERNEL);
547 if (!buf)
548 return -ENOMEM;
549
550 pos = buf;
551 end = buf + bufsz - 1;
552
553 pos += scnprintf(pos, end - pos, "pending:\n");
554
555 for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
556 ln = skb_queue_len(&local->pending[i]);
557 pos += scnprintf(pos, end - pos, "[%i] %d\n",
558 i, ln);
559 }
560
561 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
562 kfree(buf);
563 return rv;
564 }
565
queues_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)566 static ssize_t queues_read(struct file *file, char __user *user_buf,
567 size_t count, loff_t *ppos)
568 {
569 struct ieee80211_local *local = file->private_data;
570 unsigned long flags;
571 char buf[IEEE80211_MAX_QUEUES * 20];
572 int q, res = 0;
573
574 spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
575 for (q = 0; q < local->hw.queues; q++)
576 res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q,
577 local->queue_stop_reasons[q],
578 skb_queue_len(&local->pending[q]));
579 spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
580
581 return simple_read_from_buffer(user_buf, count, ppos, buf, res);
582 }
583
584 DEBUGFS_READONLY_FILE_OPS(hwflags);
585 DEBUGFS_READONLY_FILE_OPS(queues);
586 DEBUGFS_READONLY_FILE_OPS(misc);
587
588 /* statistics stuff */
589
format_devstat_counter(struct ieee80211_local * local,char __user * userbuf,size_t count,loff_t * ppos,int (* printvalue)(struct ieee80211_low_level_stats * stats,char * buf,int buflen))590 static ssize_t format_devstat_counter(struct ieee80211_local *local,
591 char __user *userbuf,
592 size_t count, loff_t *ppos,
593 int (*printvalue)(struct ieee80211_low_level_stats *stats, char *buf,
594 int buflen))
595 {
596 struct ieee80211_low_level_stats stats;
597 char buf[20];
598 int res;
599
600 wiphy_lock(local->hw.wiphy);
601 res = drv_get_stats(local, &stats);
602 wiphy_unlock(local->hw.wiphy);
603 if (res)
604 return res;
605 res = printvalue(&stats, buf, sizeof(buf));
606 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
607 }
608
609 #define DEBUGFS_DEVSTATS_FILE(name) \
610 static int print_devstats_##name(struct ieee80211_low_level_stats *stats,\
611 char *buf, int buflen) \
612 { \
613 return scnprintf(buf, buflen, "%u\n", stats->name); \
614 } \
615 static ssize_t stats_ ##name## _read(struct file *file, \
616 char __user *userbuf, \
617 size_t count, loff_t *ppos) \
618 { \
619 return format_devstat_counter(file->private_data, \
620 userbuf, \
621 count, \
622 ppos, \
623 print_devstats_##name); \
624 } \
625 \
626 static const struct file_operations stats_ ##name## _ops = { \
627 .read = stats_ ##name## _read, \
628 .open = simple_open, \
629 .llseek = generic_file_llseek, \
630 };
631
632 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
633 #define DEBUGFS_STATS_ADD(name) \
634 debugfs_create_u32(#name, 0400, statsd, &local->name);
635 #endif
636 #define DEBUGFS_DEVSTATS_ADD(name) \
637 debugfs_create_file(#name, 0400, statsd, local, &stats_ ##name## _ops);
638
639 DEBUGFS_DEVSTATS_FILE(dot11ACKFailureCount);
640 DEBUGFS_DEVSTATS_FILE(dot11RTSFailureCount);
641 DEBUGFS_DEVSTATS_FILE(dot11FCSErrorCount);
642 DEBUGFS_DEVSTATS_FILE(dot11RTSSuccessCount);
643
debugfs_hw_add(struct ieee80211_local * local)644 void debugfs_hw_add(struct ieee80211_local *local)
645 {
646 struct dentry *phyd = local->hw.wiphy->debugfsdir;
647 struct dentry *statsd;
648
649 if (!phyd)
650 return;
651
652 local->debugfs.keys = debugfs_create_dir("keys", phyd);
653
654 DEBUGFS_ADD(total_ps_buffered);
655 DEBUGFS_ADD(wep_iv);
656 DEBUGFS_ADD(rate_ctrl_alg);
657 DEBUGFS_ADD(queues);
658 DEBUGFS_ADD(misc);
659 #ifdef CONFIG_PM
660 DEBUGFS_ADD_MODE(reset, 0200);
661 #endif
662 DEBUGFS_ADD(hwflags);
663 DEBUGFS_ADD(user_power);
664 DEBUGFS_ADD(power);
665 DEBUGFS_ADD(hw_conf);
666 DEBUGFS_ADD_MODE(force_tx_status, 0600);
667 DEBUGFS_ADD_MODE(aql_enable, 0600);
668 DEBUGFS_ADD(aql_pending);
669 DEBUGFS_ADD_MODE(aqm, 0600);
670
671 DEBUGFS_ADD_MODE(airtime_flags, 0600);
672
673 DEBUGFS_ADD(aql_txq_limit);
674 debugfs_create_u32("aql_threshold", 0600,
675 phyd, &local->aql_threshold);
676
677 statsd = debugfs_create_dir("statistics", phyd);
678
679 #ifdef CONFIG_MAC80211_DEBUG_COUNTERS
680 DEBUGFS_STATS_ADD(dot11TransmittedFragmentCount);
681 DEBUGFS_STATS_ADD(dot11MulticastTransmittedFrameCount);
682 DEBUGFS_STATS_ADD(dot11FailedCount);
683 DEBUGFS_STATS_ADD(dot11RetryCount);
684 DEBUGFS_STATS_ADD(dot11MultipleRetryCount);
685 DEBUGFS_STATS_ADD(dot11FrameDuplicateCount);
686 DEBUGFS_STATS_ADD(dot11ReceivedFragmentCount);
687 DEBUGFS_STATS_ADD(dot11MulticastReceivedFrameCount);
688 DEBUGFS_STATS_ADD(dot11TransmittedFrameCount);
689 DEBUGFS_STATS_ADD(tx_handlers_drop);
690 DEBUGFS_STATS_ADD(tx_handlers_queued);
691 DEBUGFS_STATS_ADD(tx_handlers_drop_wep);
692 DEBUGFS_STATS_ADD(tx_handlers_drop_not_assoc);
693 DEBUGFS_STATS_ADD(tx_handlers_drop_unauth_port);
694 DEBUGFS_STATS_ADD(rx_handlers_drop);
695 DEBUGFS_STATS_ADD(rx_handlers_queued);
696 DEBUGFS_STATS_ADD(rx_handlers_drop_nullfunc);
697 DEBUGFS_STATS_ADD(rx_handlers_drop_defrag);
698 DEBUGFS_STATS_ADD(tx_expand_skb_head);
699 DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned);
700 DEBUGFS_STATS_ADD(rx_expand_skb_head_defrag);
701 DEBUGFS_STATS_ADD(rx_handlers_fragments);
702 DEBUGFS_STATS_ADD(tx_status_drop);
703 #endif
704 DEBUGFS_DEVSTATS_ADD(dot11ACKFailureCount);
705 DEBUGFS_DEVSTATS_ADD(dot11RTSFailureCount);
706 DEBUGFS_DEVSTATS_ADD(dot11FCSErrorCount);
707 DEBUGFS_DEVSTATS_ADD(dot11RTSSuccessCount);
708 }
709