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mm: synchronize period update interval
[GitHub/LineageOS/android_kernel_motorola_exynos9610.git] / net / mac80211 / debugfs_sta.c
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 * Copyright 2013-2014 Intel Mobile Communications GmbH
6 * Copyright(c) 2016 Intel Deutschland GmbH
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13 #include <linux/debugfs.h>
14 #include <linux/ieee80211.h>
15 #include "ieee80211_i.h"
16 #include "debugfs.h"
17 #include "debugfs_sta.h"
18 #include "sta_info.h"
19 #include "driver-ops.h"
20
21 /* sta attributtes */
22
23 #define STA_READ(name, field, format_string) \
24 static ssize_t sta_ ##name## _read(struct file *file, \
25 char __user *userbuf, \
26 size_t count, loff_t *ppos) \
27 { \
28 struct sta_info *sta = file->private_data; \
29 return mac80211_format_buffer(userbuf, count, ppos, \
30 format_string, sta->field); \
31 }
32 #define STA_READ_D(name, field) STA_READ(name, field, "%d\n")
33
34 #define STA_OPS(name) \
35 static const struct file_operations sta_ ##name## _ops = { \
36 .read = sta_##name##_read, \
37 .open = simple_open, \
38 .llseek = generic_file_llseek, \
39 }
40
41 #define STA_OPS_RW(name) \
42 static const struct file_operations sta_ ##name## _ops = { \
43 .read = sta_##name##_read, \
44 .write = sta_##name##_write, \
45 .open = simple_open, \
46 .llseek = generic_file_llseek, \
47 }
48
49 #define STA_FILE(name, field, format) \
50 STA_READ_##format(name, field) \
51 STA_OPS(name)
52
53 STA_FILE(aid, sta.aid, D);
54
55 static const char * const sta_flag_names[] = {
56 #define FLAG(F) [WLAN_STA_##F] = #F
57 FLAG(AUTH),
58 FLAG(ASSOC),
59 FLAG(PS_STA),
60 FLAG(AUTHORIZED),
61 FLAG(SHORT_PREAMBLE),
62 FLAG(WDS),
63 FLAG(CLEAR_PS_FILT),
64 FLAG(MFP),
65 FLAG(BLOCK_BA),
66 FLAG(PS_DRIVER),
67 FLAG(PSPOLL),
68 FLAG(TDLS_PEER),
69 FLAG(TDLS_PEER_AUTH),
70 FLAG(TDLS_INITIATOR),
71 FLAG(TDLS_CHAN_SWITCH),
72 FLAG(TDLS_OFF_CHANNEL),
73 FLAG(TDLS_WIDER_BW),
74 FLAG(UAPSD),
75 FLAG(SP),
76 FLAG(4ADDR_EVENT),
77 FLAG(INSERTED),
78 FLAG(RATE_CONTROL),
79 FLAG(TOFFSET_KNOWN),
80 FLAG(MPSP_OWNER),
81 FLAG(MPSP_RECIPIENT),
82 FLAG(PS_DELIVER),
83 #undef FLAG
84 };
85
86 static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
87 size_t count, loff_t *ppos)
88 {
89 char buf[16 * NUM_WLAN_STA_FLAGS], *pos = buf;
90 char *end = buf + sizeof(buf) - 1;
91 struct sta_info *sta = file->private_data;
92 unsigned int flg;
93
94 BUILD_BUG_ON(ARRAY_SIZE(sta_flag_names) != NUM_WLAN_STA_FLAGS);
95
96 for (flg = 0; flg < NUM_WLAN_STA_FLAGS; flg++) {
97 if (test_sta_flag(sta, flg))
98 pos += scnprintf(pos, end - pos, "%s\n",
99 sta_flag_names[flg]);
100 }
101
102 return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
103 }
104 STA_OPS(flags);
105
106 static ssize_t sta_num_ps_buf_frames_read(struct file *file,
107 char __user *userbuf,
108 size_t count, loff_t *ppos)
109 {
110 struct sta_info *sta = file->private_data;
111 char buf[17*IEEE80211_NUM_ACS], *p = buf;
112 int ac;
113
114 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
115 p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac,
116 skb_queue_len(&sta->ps_tx_buf[ac]) +
117 skb_queue_len(&sta->tx_filtered[ac]));
118 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
119 }
120 STA_OPS(num_ps_buf_frames);
121
122 static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
123 size_t count, loff_t *ppos)
124 {
125 char buf[15*IEEE80211_NUM_TIDS], *p = buf;
126 int i;
127 struct sta_info *sta = file->private_data;
128 for (i = 0; i < IEEE80211_NUM_TIDS; i++)
129 p += scnprintf(p, sizeof(buf)+buf-p, "%x ",
130 le16_to_cpu(sta->last_seq_ctrl[i]));
131 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
132 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
133 }
134 STA_OPS(last_seq_ctrl);
135
136 #define AQM_TXQ_ENTRY_LEN 130
137
138 static ssize_t sta_aqm_read(struct file *file, char __user *userbuf,
139 size_t count, loff_t *ppos)
140 {
141 struct sta_info *sta = file->private_data;
142 struct ieee80211_local *local = sta->local;
143 size_t bufsz = AQM_TXQ_ENTRY_LEN*(IEEE80211_NUM_TIDS+1);
144 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
145 struct txq_info *txqi;
146 ssize_t rv;
147 int i;
148
149 if (!buf)
150 return -ENOMEM;
151
152 spin_lock_bh(&local->fq.lock);
153 rcu_read_lock();
154
155 p += scnprintf(p,
156 bufsz+buf-p,
157 "target %uus interval %uus ecn %s\n",
158 codel_time_to_us(sta->cparams.target),
159 codel_time_to_us(sta->cparams.interval),
160 sta->cparams.ecn ? "yes" : "no");
161 p += scnprintf(p,
162 bufsz+buf-p,
163 "tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets\n");
164
165 for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
166 txqi = to_txq_info(sta->sta.txq[i]);
167 p += scnprintf(p, bufsz+buf-p,
168 "%d %d %u %u %u %u %u %u %u %u %u\n",
169 txqi->txq.tid,
170 txqi->txq.ac,
171 txqi->tin.backlog_bytes,
172 txqi->tin.backlog_packets,
173 txqi->tin.flows,
174 txqi->cstats.drop_count,
175 txqi->cstats.ecn_mark,
176 txqi->tin.overlimit,
177 txqi->tin.collisions,
178 txqi->tin.tx_bytes,
179 txqi->tin.tx_packets);
180 }
181
182 rcu_read_unlock();
183 spin_unlock_bh(&local->fq.lock);
184
185 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
186 kfree(buf);
187 return rv;
188 }
189 STA_OPS(aqm);
190
191 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
192 size_t count, loff_t *ppos)
193 {
194 char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf;
195 int i;
196 struct sta_info *sta = file->private_data;
197 struct tid_ampdu_rx *tid_rx;
198 struct tid_ampdu_tx *tid_tx;
199
200 rcu_read_lock();
201
202 p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n",
203 sta->ampdu_mlme.dialog_token_allocator + 1);
204 p += scnprintf(p, sizeof(buf) + buf - p,
205 "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n");
206
207 for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
208 bool tid_rx_valid;
209
210 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]);
211 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]);
212 tid_rx_valid = test_bit(i, sta->ampdu_mlme.agg_session_valid);
213
214 p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i);
215 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x",
216 tid_rx_valid);
217 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
218 tid_rx_valid ?
219 sta->ampdu_mlme.tid_rx_token[i] : 0);
220 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x",
221 tid_rx ? tid_rx->ssn : 0);
222
223 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx);
224 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
225 tid_tx ? tid_tx->dialog_token : 0);
226 p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d",
227 tid_tx ? skb_queue_len(&tid_tx->pending) : 0);
228 p += scnprintf(p, sizeof(buf) + buf - p, "\n");
229 }
230 rcu_read_unlock();
231
232 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
233 }
234
235 static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf,
236 size_t count, loff_t *ppos)
237 {
238 char _buf[25] = {}, *buf = _buf;
239 struct sta_info *sta = file->private_data;
240 bool start, tx;
241 unsigned long tid;
242 char *pos;
243 int ret, timeout = 5000;
244
245 if (count > sizeof(_buf))
246 return -EINVAL;
247
248 if (copy_from_user(buf, userbuf, count))
249 return -EFAULT;
250
251 buf[sizeof(_buf) - 1] = '\0';
252 pos = buf;
253 buf = strsep(&pos, " ");
254 if (!buf)
255 return -EINVAL;
256
257 if (!strcmp(buf, "tx"))
258 tx = true;
259 else if (!strcmp(buf, "rx"))
260 tx = false;
261 else
262 return -EINVAL;
263
264 buf = strsep(&pos, " ");
265 if (!buf)
266 return -EINVAL;
267 if (!strcmp(buf, "start")) {
268 start = true;
269 if (!tx)
270 return -EINVAL;
271 } else if (!strcmp(buf, "stop")) {
272 start = false;
273 } else {
274 return -EINVAL;
275 }
276
277 buf = strsep(&pos, " ");
278 if (!buf)
279 return -EINVAL;
280 if (sscanf(buf, "timeout=%d", &timeout) == 1) {
281 buf = strsep(&pos, " ");
282 if (!buf || !tx || !start)
283 return -EINVAL;
284 }
285
286 ret = kstrtoul(buf, 0, &tid);
287 if (ret || tid >= IEEE80211_NUM_TIDS)
288 return -EINVAL;
289
290 if (tx) {
291 if (start)
292 ret = ieee80211_start_tx_ba_session(&sta->sta, tid,
293 timeout);
294 else
295 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid);
296 } else {
297 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
298 3, true);
299 ret = 0;
300 }
301
302 return ret ?: count;
303 }
304 STA_OPS_RW(agg_status);
305
306 static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
307 size_t count, loff_t *ppos)
308 {
309 #define PRINT_HT_CAP(_cond, _str) \
310 do { \
311 if (_cond) \
312 p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \
313 } while (0)
314 char buf[512], *p = buf;
315 int i;
316 struct sta_info *sta = file->private_data;
317 struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap;
318
319 p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n",
320 htc->ht_supported ? "" : "not ");
321 if (htc->ht_supported) {
322 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap);
323
324 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC");
325 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40");
326 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20");
327
328 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save");
329 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save");
330 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled");
331
332 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield");
333 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI");
334 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI");
335 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC");
336
337 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC");
338 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream");
339 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams");
340 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams");
341
342 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack");
343
344 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: "
345 "3839 bytes");
346 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: "
347 "7935 bytes");
348
349 /*
350 * For beacons and probe response this would mean the BSS
351 * does or does not allow the usage of DSSS/CCK HT40.
352 * Otherwise it means the STA does or does not use
353 * DSSS/CCK HT40.
354 */
355 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40");
356 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40");
357
358 /* BIT(13) is reserved */
359
360 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant");
361
362 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection");
363
364 p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n",
365 htc->ampdu_factor, htc->ampdu_density);
366 p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:");
367
368 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
369 p += scnprintf(p, sizeof(buf)+buf-p, " %.2x",
370 htc->mcs.rx_mask[i]);
371 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
372
373 /* If not set this is meaningless */
374 if (le16_to_cpu(htc->mcs.rx_highest)) {
375 p += scnprintf(p, sizeof(buf)+buf-p,
376 "MCS rx highest: %d Mbps\n",
377 le16_to_cpu(htc->mcs.rx_highest));
378 }
379
380 p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n",
381 htc->mcs.tx_params);
382 }
383
384 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
385 }
386 STA_OPS(ht_capa);
387
388 static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf,
389 size_t count, loff_t *ppos)
390 {
391 char buf[512], *p = buf;
392 struct sta_info *sta = file->private_data;
393 struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap;
394
395 p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n",
396 vhtc->vht_supported ? "" : "not ");
397 if (vhtc->vht_supported) {
398 p += scnprintf(p, sizeof(buf) + buf - p, "cap: %#.8x\n",
399 vhtc->cap);
400 #define PFLAG(a, b) \
401 do { \
402 if (vhtc->cap & IEEE80211_VHT_CAP_ ## a) \
403 p += scnprintf(p, sizeof(buf) + buf - p, \
404 "\t\t%s\n", b); \
405 } while (0)
406
407 switch (vhtc->cap & 0x3) {
408 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
409 p += scnprintf(p, sizeof(buf) + buf - p,
410 "\t\tMAX-MPDU-3895\n");
411 break;
412 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
413 p += scnprintf(p, sizeof(buf) + buf - p,
414 "\t\tMAX-MPDU-7991\n");
415 break;
416 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
417 p += scnprintf(p, sizeof(buf) + buf - p,
418 "\t\tMAX-MPDU-11454\n");
419 break;
420 default:
421 p += scnprintf(p, sizeof(buf) + buf - p,
422 "\t\tMAX-MPDU-UNKNOWN\n");
423 };
424 switch (vhtc->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
425 case 0:
426 p += scnprintf(p, sizeof(buf) + buf - p,
427 "\t\t80Mhz\n");
428 break;
429 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
430 p += scnprintf(p, sizeof(buf) + buf - p,
431 "\t\t160Mhz\n");
432 break;
433 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
434 p += scnprintf(p, sizeof(buf) + buf - p,
435 "\t\t80+80Mhz\n");
436 break;
437 default:
438 p += scnprintf(p, sizeof(buf) + buf - p,
439 "\t\tUNKNOWN-MHZ: 0x%x\n",
440 (vhtc->cap >> 2) & 0x3);
441 };
442 PFLAG(RXLDPC, "RXLDPC");
443 PFLAG(SHORT_GI_80, "SHORT-GI-80");
444 PFLAG(SHORT_GI_160, "SHORT-GI-160");
445 PFLAG(TXSTBC, "TXSTBC");
446 p += scnprintf(p, sizeof(buf) + buf - p,
447 "\t\tRXSTBC_%d\n", (vhtc->cap >> 8) & 0x7);
448 PFLAG(SU_BEAMFORMER_CAPABLE, "SU-BEAMFORMER-CAPABLE");
449 PFLAG(SU_BEAMFORMEE_CAPABLE, "SU-BEAMFORMEE-CAPABLE");
450 p += scnprintf(p, sizeof(buf) + buf - p,
451 "\t\tBEAMFORMEE-STS: 0x%x\n",
452 (vhtc->cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK) >>
453 IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
454 p += scnprintf(p, sizeof(buf) + buf - p,
455 "\t\tSOUNDING-DIMENSIONS: 0x%x\n",
456 (vhtc->cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK)
457 >> IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT);
458 PFLAG(MU_BEAMFORMER_CAPABLE, "MU-BEAMFORMER-CAPABLE");
459 PFLAG(MU_BEAMFORMEE_CAPABLE, "MU-BEAMFORMEE-CAPABLE");
460 PFLAG(VHT_TXOP_PS, "TXOP-PS");
461 PFLAG(HTC_VHT, "HTC-VHT");
462 p += scnprintf(p, sizeof(buf) + buf - p,
463 "\t\tMPDU-LENGTH-EXPONENT: 0x%x\n",
464 (vhtc->cap & IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
465 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT);
466 PFLAG(VHT_LINK_ADAPTATION_VHT_UNSOL_MFB,
467 "LINK-ADAPTATION-VHT-UNSOL-MFB");
468 p += scnprintf(p, sizeof(buf) + buf - p,
469 "\t\tLINK-ADAPTATION-VHT-MRQ-MFB: 0x%x\n",
470 (vhtc->cap & IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB) >> 26);
471 PFLAG(RX_ANTENNA_PATTERN, "RX-ANTENNA-PATTERN");
472 PFLAG(TX_ANTENNA_PATTERN, "TX-ANTENNA-PATTERN");
473
474 p += scnprintf(p, sizeof(buf)+buf-p, "RX MCS: %.4x\n",
475 le16_to_cpu(vhtc->vht_mcs.rx_mcs_map));
476 if (vhtc->vht_mcs.rx_highest)
477 p += scnprintf(p, sizeof(buf)+buf-p,
478 "MCS RX highest: %d Mbps\n",
479 le16_to_cpu(vhtc->vht_mcs.rx_highest));
480 p += scnprintf(p, sizeof(buf)+buf-p, "TX MCS: %.4x\n",
481 le16_to_cpu(vhtc->vht_mcs.tx_mcs_map));
482 if (vhtc->vht_mcs.tx_highest)
483 p += scnprintf(p, sizeof(buf)+buf-p,
484 "MCS TX highest: %d Mbps\n",
485 le16_to_cpu(vhtc->vht_mcs.tx_highest));
486 }
487
488 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
489 }
490 STA_OPS(vht_capa);
491
492
493 #define DEBUGFS_ADD(name) \
494 debugfs_create_file(#name, 0400, \
495 sta->debugfs_dir, sta, &sta_ ##name## _ops);
496
497 #define DEBUGFS_ADD_COUNTER(name, field) \
498 if (sizeof(sta->field) == sizeof(u32)) \
499 debugfs_create_u32(#name, 0400, sta->debugfs_dir, \
500 (u32 *) &sta->field); \
501 else \
502 debugfs_create_u64(#name, 0400, sta->debugfs_dir, \
503 (u64 *) &sta->field);
504
505 void ieee80211_sta_debugfs_add(struct sta_info *sta)
506 {
507 struct ieee80211_local *local = sta->local;
508 struct ieee80211_sub_if_data *sdata = sta->sdata;
509 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations;
510 u8 mac[3*ETH_ALEN];
511
512 if (!stations_dir)
513 return;
514
515 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr);
516
517 /*
518 * This might fail due to a race condition:
519 * When mac80211 unlinks a station, the debugfs entries
520 * remain, but it is already possible to link a new
521 * station with the same address which triggers adding
522 * it to debugfs; therefore, if the old station isn't
523 * destroyed quickly enough the old station's debugfs
524 * dir might still be around.
525 */
526 sta->debugfs_dir = debugfs_create_dir(mac, stations_dir);
527 if (!sta->debugfs_dir)
528 return;
529
530 DEBUGFS_ADD(flags);
531 DEBUGFS_ADD(aid);
532 DEBUGFS_ADD(num_ps_buf_frames);
533 DEBUGFS_ADD(last_seq_ctrl);
534 DEBUGFS_ADD(agg_status);
535 DEBUGFS_ADD(ht_capa);
536 DEBUGFS_ADD(vht_capa);
537
538 DEBUGFS_ADD_COUNTER(rx_duplicates, rx_stats.num_duplicates);
539 DEBUGFS_ADD_COUNTER(rx_fragments, rx_stats.fragments);
540 DEBUGFS_ADD_COUNTER(tx_filtered, status_stats.filtered);
541
542 if (local->ops->wake_tx_queue)
543 DEBUGFS_ADD(aqm);
544
545 if (sizeof(sta->driver_buffered_tids) == sizeof(u32))
546 debugfs_create_x32("driver_buffered_tids", 0400,
547 sta->debugfs_dir,
548 (u32 *)&sta->driver_buffered_tids);
549 else
550 debugfs_create_x64("driver_buffered_tids", 0400,
551 sta->debugfs_dir,
552 (u64 *)&sta->driver_buffered_tids);
553
554 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs_dir);
555 }
556
557 void ieee80211_sta_debugfs_remove(struct sta_info *sta)
558 {
559 debugfs_remove_recursive(sta->debugfs_dir);
560 sta->debugfs_dir = NULL;
561 }