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mmc: omap_hsmmc: remove unused get_context_loss_count callback
[linux-2.6/btrfs-unstable.git] / net / mac80211 / debugfs_sta.c
blobbafe489162298ec2d2df67b359985da691785258
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 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12 #include <linux/debugfs.h>
13 #include <linux/ieee80211.h>
14 #include "ieee80211_i.h"
15 #include "debugfs.h"
16 #include "debugfs_sta.h"
17 #include "sta_info.h"
18 #include "driver-ops.h"
19
20 /* sta attributtes */
21
22 #define STA_READ(name, field, format_string) \
23 static ssize_t sta_ ##name## _read(struct file *file, \
24 char __user *userbuf, \
25 size_t count, loff_t *ppos) \
26 { \
27 struct sta_info *sta = file->private_data; \
28 return mac80211_format_buffer(userbuf, count, ppos, \
29 format_string, sta->field); \
30 }
31 #define STA_READ_D(name, field) STA_READ(name, field, "%d\n")
32 #define STA_READ_U(name, field) STA_READ(name, field, "%u\n")
33 #define STA_READ_S(name, field) STA_READ(name, field, "%s\n")
34
35 #define STA_OPS(name) \
36 static const struct file_operations sta_ ##name## _ops = { \
37 .read = sta_##name##_read, \
38 .open = simple_open, \
39 .llseek = generic_file_llseek, \
40 }
41
42 #define STA_OPS_W(name) \
43 static const struct file_operations sta_ ##name## _ops = { \
44 .write = sta_##name##_write, \
45 .open = simple_open, \
46 .llseek = generic_file_llseek, \
47 }
48
49 #define STA_OPS_RW(name) \
50 static const struct file_operations sta_ ##name## _ops = { \
51 .read = sta_##name##_read, \
52 .write = sta_##name##_write, \
53 .open = simple_open, \
54 .llseek = generic_file_llseek, \
55 }
56
57 #define STA_FILE(name, field, format) \
58 STA_READ_##format(name, field) \
59 STA_OPS(name)
60
61 STA_FILE(aid, sta.aid, D);
62 STA_FILE(dev, sdata->name, S);
63 STA_FILE(last_signal, last_signal, D);
64 STA_FILE(last_ack_signal, last_ack_signal, D);
65 STA_FILE(beacon_loss_count, beacon_loss_count, D);
66
67 static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
68 size_t count, loff_t *ppos)
69 {
70 char buf[121];
71 struct sta_info *sta = file->private_data;
72
73 #define TEST(flg) \
74 test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
75
76 int res = scnprintf(buf, sizeof(buf),
77 "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
78 TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
79 TEST(PS_DRIVER), TEST(AUTHORIZED),
80 TEST(SHORT_PREAMBLE),
81 sta->sta.wme ? "WME\n" : "",
82 TEST(WDS), TEST(CLEAR_PS_FILT),
83 TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
84 TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
85 TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
86 TEST(INSERTED), TEST(RATE_CONTROL),
87 TEST(TOFFSET_KNOWN), TEST(MPSP_OWNER),
88 TEST(MPSP_RECIPIENT));
89 #undef TEST
90 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
91 }
92 STA_OPS(flags);
93
94 static ssize_t sta_num_ps_buf_frames_read(struct file *file,
95 char __user *userbuf,
96 size_t count, loff_t *ppos)
97 {
98 struct sta_info *sta = file->private_data;
99 char buf[17*IEEE80211_NUM_ACS], *p = buf;
100 int ac;
101
102 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
103 p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac,
104 skb_queue_len(&sta->ps_tx_buf[ac]) +
105 skb_queue_len(&sta->tx_filtered[ac]));
106 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
107 }
108 STA_OPS(num_ps_buf_frames);
109
110 static ssize_t sta_inactive_ms_read(struct file *file, char __user *userbuf,
111 size_t count, loff_t *ppos)
112 {
113 struct sta_info *sta = file->private_data;
114 return mac80211_format_buffer(userbuf, count, ppos, "%d\n",
115 jiffies_to_msecs(jiffies - sta->last_rx));
116 }
117 STA_OPS(inactive_ms);
118
119
120 static ssize_t sta_connected_time_read(struct file *file, char __user *userbuf,
121 size_t count, loff_t *ppos)
122 {
123 struct sta_info *sta = file->private_data;
124 struct timespec uptime;
125 struct tm result;
126 long connected_time_secs;
127 char buf[100];
128 int res;
129 ktime_get_ts(&uptime);
130 connected_time_secs = uptime.tv_sec - sta->last_connected;
131 time_to_tm(connected_time_secs, 0, &result);
132 result.tm_year -= 70;
133 result.tm_mday -= 1;
134 res = scnprintf(buf, sizeof(buf),
135 "years - %ld\nmonths - %d\ndays - %d\nclock - %d:%d:%d\n\n",
136 result.tm_year, result.tm_mon, result.tm_mday,
137 result.tm_hour, result.tm_min, result.tm_sec);
138 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
139 }
140 STA_OPS(connected_time);
141
142
143
144 static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
145 size_t count, loff_t *ppos)
146 {
147 char buf[15*IEEE80211_NUM_TIDS], *p = buf;
148 int i;
149 struct sta_info *sta = file->private_data;
150 for (i = 0; i < IEEE80211_NUM_TIDS; i++)
151 p += scnprintf(p, sizeof(buf)+buf-p, "%x ",
152 le16_to_cpu(sta->last_seq_ctrl[i]));
153 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
154 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
155 }
156 STA_OPS(last_seq_ctrl);
157
158 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
159 size_t count, loff_t *ppos)
160 {
161 char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf;
162 int i;
163 struct sta_info *sta = file->private_data;
164 struct tid_ampdu_rx *tid_rx;
165 struct tid_ampdu_tx *tid_tx;
166
167 rcu_read_lock();
168
169 p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n",
170 sta->ampdu_mlme.dialog_token_allocator + 1);
171 p += scnprintf(p, sizeof(buf) + buf - p,
172 "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n");
173
174 for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
175 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]);
176 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]);
177
178 p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i);
179 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_rx);
180 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
181 tid_rx ? tid_rx->dialog_token : 0);
182 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x",
183 tid_rx ? tid_rx->ssn : 0);
184
185 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx);
186 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
187 tid_tx ? tid_tx->dialog_token : 0);
188 p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d",
189 tid_tx ? skb_queue_len(&tid_tx->pending) : 0);
190 p += scnprintf(p, sizeof(buf) + buf - p, "\n");
191 }
192 rcu_read_unlock();
193
194 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
195 }
196
197 static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf,
198 size_t count, loff_t *ppos)
199 {
200 char _buf[12] = {}, *buf = _buf;
201 struct sta_info *sta = file->private_data;
202 bool start, tx;
203 unsigned long tid;
204 int ret;
205
206 if (count > sizeof(_buf))
207 return -EINVAL;
208
209 if (copy_from_user(buf, userbuf, count))
210 return -EFAULT;
211
212 buf[sizeof(_buf) - 1] = '\0';
213
214 if (strncmp(buf, "tx ", 3) == 0) {
215 buf += 3;
216 tx = true;
217 } else if (strncmp(buf, "rx ", 3) == 0) {
218 buf += 3;
219 tx = false;
220 } else
221 return -EINVAL;
222
223 if (strncmp(buf, "start ", 6) == 0) {
224 buf += 6;
225 start = true;
226 if (!tx)
227 return -EINVAL;
228 } else if (strncmp(buf, "stop ", 5) == 0) {
229 buf += 5;
230 start = false;
231 } else
232 return -EINVAL;
233
234 ret = kstrtoul(buf, 0, &tid);
235 if (ret)
236 return ret;
237
238 if (tid >= IEEE80211_NUM_TIDS)
239 return -EINVAL;
240
241 if (tx) {
242 if (start)
243 ret = ieee80211_start_tx_ba_session(&sta->sta, tid, 5000);
244 else
245 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid);
246 } else {
247 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
248 3, true);
249 ret = 0;
250 }
251
252 return ret ?: count;
253 }
254 STA_OPS_RW(agg_status);
255
256 static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
257 size_t count, loff_t *ppos)
258 {
259 #define PRINT_HT_CAP(_cond, _str) \
260 do { \
261 if (_cond) \
262 p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \
263 } while (0)
264 char buf[512], *p = buf;
265 int i;
266 struct sta_info *sta = file->private_data;
267 struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap;
268
269 p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n",
270 htc->ht_supported ? "" : "not ");
271 if (htc->ht_supported) {
272 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap);
273
274 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC");
275 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40");
276 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20");
277
278 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save");
279 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save");
280 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled");
281
282 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield");
283 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI");
284 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI");
285 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC");
286
287 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC");
288 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream");
289 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams");
290 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams");
291
292 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack");
293
294 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: "
295 "3839 bytes");
296 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: "
297 "7935 bytes");
298
299 /*
300 * For beacons and probe response this would mean the BSS
301 * does or does not allow the usage of DSSS/CCK HT40.
302 * Otherwise it means the STA does or does not use
303 * DSSS/CCK HT40.
304 */
305 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40");
306 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40");
307
308 /* BIT(13) is reserved */
309
310 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant");
311
312 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection");
313
314 p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n",
315 htc->ampdu_factor, htc->ampdu_density);
316 p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:");
317
318 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
319 p += scnprintf(p, sizeof(buf)+buf-p, " %.2x",
320 htc->mcs.rx_mask[i]);
321 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
322
323 /* If not set this is meaningless */
324 if (le16_to_cpu(htc->mcs.rx_highest)) {
325 p += scnprintf(p, sizeof(buf)+buf-p,
326 "MCS rx highest: %d Mbps\n",
327 le16_to_cpu(htc->mcs.rx_highest));
328 }
329
330 p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n",
331 htc->mcs.tx_params);
332 }
333
334 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
335 }
336 STA_OPS(ht_capa);
337
338 static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf,
339 size_t count, loff_t *ppos)
340 {
341 char buf[128], *p = buf;
342 struct sta_info *sta = file->private_data;
343 struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap;
344
345 p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n",
346 vhtc->vht_supported ? "" : "not ");
347 if (vhtc->vht_supported) {
348 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.8x\n", vhtc->cap);
349
350 p += scnprintf(p, sizeof(buf)+buf-p, "RX MCS: %.4x\n",
351 le16_to_cpu(vhtc->vht_mcs.rx_mcs_map));
352 if (vhtc->vht_mcs.rx_highest)
353 p += scnprintf(p, sizeof(buf)+buf-p,
354 "MCS RX highest: %d Mbps\n",
355 le16_to_cpu(vhtc->vht_mcs.rx_highest));
356 p += scnprintf(p, sizeof(buf)+buf-p, "TX MCS: %.4x\n",
357 le16_to_cpu(vhtc->vht_mcs.tx_mcs_map));
358 if (vhtc->vht_mcs.tx_highest)
359 p += scnprintf(p, sizeof(buf)+buf-p,
360 "MCS TX highest: %d Mbps\n",
361 le16_to_cpu(vhtc->vht_mcs.tx_highest));
362 }
363
364 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
365 }
366 STA_OPS(vht_capa);
367
368 static ssize_t sta_current_tx_rate_read(struct file *file, char __user *userbuf,
369 size_t count, loff_t *ppos)
370 {
371 struct sta_info *sta = file->private_data;
372 struct rate_info rinfo;
373 u16 rate;
374 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &rinfo);
375 rate = cfg80211_calculate_bitrate(&rinfo);
376
377 return mac80211_format_buffer(userbuf, count, ppos,
378 "%d.%d MBit/s\n",
379 rate/10, rate%10);
380 }
381 STA_OPS(current_tx_rate);
382
383 static ssize_t sta_last_rx_rate_read(struct file *file, char __user *userbuf,
384 size_t count, loff_t *ppos)
385 {
386 struct sta_info *sta = file->private_data;
387 struct rate_info rinfo;
388 u16 rate;
389
390 sta_set_rate_info_rx(sta, &rinfo);
391
392 rate = cfg80211_calculate_bitrate(&rinfo);
393
394 return mac80211_format_buffer(userbuf, count, ppos,
395 "%d.%d MBit/s\n",
396 rate/10, rate%10);
397 }
398 STA_OPS(last_rx_rate);
399
400 static int
401 sta_tx_latency_stat_header(struct ieee80211_tx_latency_bin_ranges *tx_latency,
402 char *buf, int pos, int bufsz)
403 {
404 int i;
405 int range_count = tx_latency->n_ranges;
406 u32 *bin_ranges = tx_latency->ranges;
407
408 pos += scnprintf(buf + pos, bufsz - pos,
409 "Station\t\t\tTID\tMax\tAvg");
410 if (range_count) {
411 pos += scnprintf(buf + pos, bufsz - pos,
412 "\t<=%d", bin_ranges[0]);
413 for (i = 0; i < range_count - 1; i++)
414 pos += scnprintf(buf + pos, bufsz - pos, "\t%d-%d",
415 bin_ranges[i], bin_ranges[i+1]);
416 pos += scnprintf(buf + pos, bufsz - pos,
417 "\t%d<", bin_ranges[range_count - 1]);
418 }
419
420 pos += scnprintf(buf + pos, bufsz - pos, "\n");
421
422 return pos;
423 }
424
425 static int
426 sta_tx_latency_stat_table(struct ieee80211_tx_latency_bin_ranges *tx_lat_range,
427 struct ieee80211_tx_latency_stat *tx_lat,
428 char *buf, int pos, int bufsz, int tid)
429 {
430 u32 avg = 0;
431 int j;
432 int bin_count = tx_lat->bin_count;
433
434 pos += scnprintf(buf + pos, bufsz - pos, "\t\t\t%d", tid);
435 /* make sure you don't divide in 0 */
436 if (tx_lat->counter)
437 avg = tx_lat->sum / tx_lat->counter;
438
439 pos += scnprintf(buf + pos, bufsz - pos, "\t%d\t%d",
440 tx_lat->max, avg);
441
442 if (tx_lat_range->n_ranges && tx_lat->bins)
443 for (j = 0; j < bin_count; j++)
444 pos += scnprintf(buf + pos, bufsz - pos,
445 "\t%d", tx_lat->bins[j]);
446 pos += scnprintf(buf + pos, bufsz - pos, "\n");
447
448 return pos;
449 }
450
451 /*
452 * Output Tx latency statistics station && restart all statistics information
453 */
454 static ssize_t sta_tx_latency_stat_read(struct file *file,
455 char __user *userbuf,
456 size_t count, loff_t *ppos)
457 {
458 struct sta_info *sta = file->private_data;
459 struct ieee80211_local *local = sta->local;
460 struct ieee80211_tx_latency_bin_ranges *tx_latency;
461 char *buf;
462 int bufsz, ret, i;
463 int pos = 0;
464
465 bufsz = 20 * IEEE80211_NUM_TIDS *
466 sizeof(struct ieee80211_tx_latency_stat);
467 buf = kzalloc(bufsz, GFP_KERNEL);
468 if (!buf)
469 return -ENOMEM;
470
471 rcu_read_lock();
472
473 tx_latency = rcu_dereference(local->tx_latency);
474
475 if (!sta->tx_lat) {
476 pos += scnprintf(buf + pos, bufsz - pos,
477 "Tx latency statistics are not enabled\n");
478 goto unlock;
479 }
480
481 pos = sta_tx_latency_stat_header(tx_latency, buf, pos, bufsz);
482
483 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", sta->sta.addr);
484 for (i = 0; i < IEEE80211_NUM_TIDS; i++)
485 pos = sta_tx_latency_stat_table(tx_latency, &sta->tx_lat[i],
486 buf, pos, bufsz, i);
487 unlock:
488 rcu_read_unlock();
489
490 ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
491 kfree(buf);
492
493 return ret;
494 }
495 STA_OPS(tx_latency_stat);
496
497 static ssize_t sta_tx_latency_stat_reset_write(struct file *file,
498 const char __user *userbuf,
499 size_t count, loff_t *ppos)
500 {
501 u32 *bins;
502 int bin_count;
503 struct sta_info *sta = file->private_data;
504 int i;
505
506 if (!sta->tx_lat)
507 return -EINVAL;
508
509 for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
510 bins = sta->tx_lat[i].bins;
511 bin_count = sta->tx_lat[i].bin_count;
512
513 sta->tx_lat[i].max = 0;
514 sta->tx_lat[i].sum = 0;
515 sta->tx_lat[i].counter = 0;
516
517 if (bin_count)
518 memset(bins, 0, bin_count * sizeof(u32));
519 }
520
521 return count;
522 }
523 STA_OPS_W(tx_latency_stat_reset);
524
525 #define DEBUGFS_ADD(name) \
526 debugfs_create_file(#name, 0400, \
527 sta->debugfs.dir, sta, &sta_ ##name## _ops);
528
529 #define DEBUGFS_ADD_COUNTER(name, field) \
530 if (sizeof(sta->field) == sizeof(u32)) \
531 debugfs_create_u32(#name, 0400, sta->debugfs.dir, \
532 (u32 *) &sta->field); \
533 else \
534 debugfs_create_u64(#name, 0400, sta->debugfs.dir, \
535 (u64 *) &sta->field);
536
537 void ieee80211_sta_debugfs_add(struct sta_info *sta)
538 {
539 struct ieee80211_local *local = sta->local;
540 struct ieee80211_sub_if_data *sdata = sta->sdata;
541 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations;
542 u8 mac[3*ETH_ALEN];
543
544 sta->debugfs.add_has_run = true;
545
546 if (!stations_dir)
547 return;
548
549 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr);
550
551 /*
552 * This might fail due to a race condition:
553 * When mac80211 unlinks a station, the debugfs entries
554 * remain, but it is already possible to link a new
555 * station with the same address which triggers adding
556 * it to debugfs; therefore, if the old station isn't
557 * destroyed quickly enough the old station's debugfs
558 * dir might still be around.
559 */
560 sta->debugfs.dir = debugfs_create_dir(mac, stations_dir);
561 if (!sta->debugfs.dir)
562 return;
563
564 DEBUGFS_ADD(flags);
565 DEBUGFS_ADD(num_ps_buf_frames);
566 DEBUGFS_ADD(inactive_ms);
567 DEBUGFS_ADD(connected_time);
568 DEBUGFS_ADD(last_seq_ctrl);
569 DEBUGFS_ADD(agg_status);
570 DEBUGFS_ADD(dev);
571 DEBUGFS_ADD(last_signal);
572 DEBUGFS_ADD(beacon_loss_count);
573 DEBUGFS_ADD(ht_capa);
574 DEBUGFS_ADD(vht_capa);
575 DEBUGFS_ADD(last_ack_signal);
576 DEBUGFS_ADD(current_tx_rate);
577 DEBUGFS_ADD(last_rx_rate);
578 DEBUGFS_ADD(tx_latency_stat);
579 DEBUGFS_ADD(tx_latency_stat_reset);
580
581 DEBUGFS_ADD_COUNTER(rx_packets, rx_packets);
582 DEBUGFS_ADD_COUNTER(tx_packets, tx_packets);
583 DEBUGFS_ADD_COUNTER(rx_bytes, rx_bytes);
584 DEBUGFS_ADD_COUNTER(tx_bytes, tx_bytes);
585 DEBUGFS_ADD_COUNTER(rx_duplicates, num_duplicates);
586 DEBUGFS_ADD_COUNTER(rx_fragments, rx_fragments);
587 DEBUGFS_ADD_COUNTER(rx_dropped, rx_dropped);
588 DEBUGFS_ADD_COUNTER(tx_fragments, tx_fragments);
589 DEBUGFS_ADD_COUNTER(tx_filtered, tx_filtered_count);
590 DEBUGFS_ADD_COUNTER(tx_retry_failed, tx_retry_failed);
591 DEBUGFS_ADD_COUNTER(tx_retry_count, tx_retry_count);
592
593 if (sizeof(sta->driver_buffered_tids) == sizeof(u32))
594 debugfs_create_x32("driver_buffered_tids", 0400,
595 sta->debugfs.dir,
596 (u32 *)&sta->driver_buffered_tids);
597 else
598 debugfs_create_x64("driver_buffered_tids", 0400,
599 sta->debugfs.dir,
600 (u64 *)&sta->driver_buffered_tids);
601
602 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs.dir);
603 }
604
605 void ieee80211_sta_debugfs_remove(struct sta_info *sta)
606 {
607 struct ieee80211_local *local = sta->local;
608 struct ieee80211_sub_if_data *sdata = sta->sdata;
609
610 drv_sta_remove_debugfs(local, sdata, &sta->sta, sta->debugfs.dir);
611 debugfs_remove_recursive(sta->debugfs.dir);
612 sta->debugfs.dir = NULL;
613 }
(deprecated) Btrfs devel tree