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fix a kmap leak in virtio_console
[linux/fpc-iii.git] / net / mac80211 / debugfs_sta.c
blob80194b557a0cff8f3d2aba52f06cfc348212abf8
1 /*
2 * Copyright 2003-2005 Devicescape Software, Inc.
3 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
4 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11 #include <linux/debugfs.h>
12 #include <linux/ieee80211.h>
13 #include "ieee80211_i.h"
14 #include "debugfs.h"
15 #include "debugfs_sta.h"
16 #include "sta_info.h"
17 #include "driver-ops.h"
18
19 /* sta attributtes */
20
21 #define STA_READ(name, field, format_string) \
22 static ssize_t sta_ ##name## _read(struct file *file, \
23 char __user *userbuf, \
24 size_t count, loff_t *ppos) \
25 { \
26 struct sta_info *sta = file->private_data; \
27 return mac80211_format_buffer(userbuf, count, ppos, \
28 format_string, sta->field); \
29 }
30 #define STA_READ_D(name, field) STA_READ(name, field, "%d\n")
31 #define STA_READ_U(name, field) STA_READ(name, field, "%u\n")
32 #define STA_READ_S(name, field) STA_READ(name, field, "%s\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_W(name) \
42 static const struct file_operations sta_ ##name## _ops = { \
43 .write = sta_##name##_write, \
44 .open = simple_open, \
45 .llseek = generic_file_llseek, \
46 }
47
48 #define STA_OPS_RW(name) \
49 static const struct file_operations sta_ ##name## _ops = { \
50 .read = sta_##name##_read, \
51 .write = sta_##name##_write, \
52 .open = simple_open, \
53 .llseek = generic_file_llseek, \
54 }
55
56 #define STA_FILE(name, field, format) \
57 STA_READ_##format(name, field) \
58 STA_OPS(name)
59
60 STA_FILE(aid, sta.aid, D);
61 STA_FILE(dev, sdata->name, S);
62 STA_FILE(last_signal, last_signal, D);
63 STA_FILE(last_ack_signal, last_ack_signal, D);
64 STA_FILE(beacon_loss_count, beacon_loss_count, D);
65
66 static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
67 size_t count, loff_t *ppos)
68 {
69 char buf[121];
70 struct sta_info *sta = file->private_data;
71
72 #define TEST(flg) \
73 test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
74
75 int res = scnprintf(buf, sizeof(buf),
76 "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
77 TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
78 TEST(PS_DRIVER), TEST(AUTHORIZED),
79 TEST(SHORT_PREAMBLE),
80 TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
81 TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
82 TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
83 TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
84 TEST(INSERTED), TEST(RATE_CONTROL),
85 TEST(TOFFSET_KNOWN), TEST(MPSP_OWNER),
86 TEST(MPSP_RECIPIENT));
87 #undef TEST
88 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
89 }
90 STA_OPS(flags);
91
92 static ssize_t sta_num_ps_buf_frames_read(struct file *file,
93 char __user *userbuf,
94 size_t count, loff_t *ppos)
95 {
96 struct sta_info *sta = file->private_data;
97 char buf[17*IEEE80211_NUM_ACS], *p = buf;
98 int ac;
99
100 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
101 p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac,
102 skb_queue_len(&sta->ps_tx_buf[ac]) +
103 skb_queue_len(&sta->tx_filtered[ac]));
104 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
105 }
106 STA_OPS(num_ps_buf_frames);
107
108 static ssize_t sta_inactive_ms_read(struct file *file, char __user *userbuf,
109 size_t count, loff_t *ppos)
110 {
111 struct sta_info *sta = file->private_data;
112 return mac80211_format_buffer(userbuf, count, ppos, "%d\n",
113 jiffies_to_msecs(jiffies - sta->last_rx));
114 }
115 STA_OPS(inactive_ms);
116
117
118 static ssize_t sta_connected_time_read(struct file *file, char __user *userbuf,
119 size_t count, loff_t *ppos)
120 {
121 struct sta_info *sta = file->private_data;
122 struct timespec uptime;
123 struct tm result;
124 long connected_time_secs;
125 char buf[100];
126 int res;
127 do_posix_clock_monotonic_gettime(&uptime);
128 connected_time_secs = uptime.tv_sec - sta->last_connected;
129 time_to_tm(connected_time_secs, 0, &result);
130 result.tm_year -= 70;
131 result.tm_mday -= 1;
132 res = scnprintf(buf, sizeof(buf),
133 "years - %ld\nmonths - %d\ndays - %d\nclock - %d:%d:%d\n\n",
134 result.tm_year, result.tm_mon, result.tm_mday,
135 result.tm_hour, result.tm_min, result.tm_sec);
136 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
137 }
138 STA_OPS(connected_time);
139
140
141
142 static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
143 size_t count, loff_t *ppos)
144 {
145 char buf[15*IEEE80211_NUM_TIDS], *p = buf;
146 int i;
147 struct sta_info *sta = file->private_data;
148 for (i = 0; i < IEEE80211_NUM_TIDS; i++)
149 p += scnprintf(p, sizeof(buf)+buf-p, "%x ",
150 le16_to_cpu(sta->last_seq_ctrl[i]));
151 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
152 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
153 }
154 STA_OPS(last_seq_ctrl);
155
156 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
157 size_t count, loff_t *ppos)
158 {
159 char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf;
160 int i;
161 struct sta_info *sta = file->private_data;
162 struct tid_ampdu_rx *tid_rx;
163 struct tid_ampdu_tx *tid_tx;
164
165 rcu_read_lock();
166
167 p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n",
168 sta->ampdu_mlme.dialog_token_allocator + 1);
169 p += scnprintf(p, sizeof(buf) + buf - p,
170 "TID\t\tRX active\tDTKN\tSSN\t\tTX\tDTKN\tpending\n");
171
172 for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
173 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]);
174 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]);
175
176 p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i);
177 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_rx);
178 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
179 tid_rx ? tid_rx->dialog_token : 0);
180 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x",
181 tid_rx ? tid_rx->ssn : 0);
182
183 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx);
184 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
185 tid_tx ? tid_tx->dialog_token : 0);
186 p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d",
187 tid_tx ? skb_queue_len(&tid_tx->pending) : 0);
188 p += scnprintf(p, sizeof(buf) + buf - p, "\n");
189 }
190 rcu_read_unlock();
191
192 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
193 }
194
195 static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf,
196 size_t count, loff_t *ppos)
197 {
198 char _buf[12], *buf = _buf;
199 struct sta_info *sta = file->private_data;
200 bool start, tx;
201 unsigned long tid;
202 int ret;
203
204 if (count > sizeof(_buf))
205 return -EINVAL;
206
207 if (copy_from_user(buf, userbuf, count))
208 return -EFAULT;
209
210 buf[sizeof(_buf) - 1] = '\0';
211
212 if (strncmp(buf, "tx ", 3) == 0) {
213 buf += 3;
214 tx = true;
215 } else if (strncmp(buf, "rx ", 3) == 0) {
216 buf += 3;
217 tx = false;
218 } else
219 return -EINVAL;
220
221 if (strncmp(buf, "start ", 6) == 0) {
222 buf += 6;
223 start = true;
224 if (!tx)
225 return -EINVAL;
226 } else if (strncmp(buf, "stop ", 5) == 0) {
227 buf += 5;
228 start = false;
229 } else
230 return -EINVAL;
231
232 ret = kstrtoul(buf, 0, &tid);
233 if (ret)
234 return ret;
235
236 if (tid >= IEEE80211_NUM_TIDS)
237 return -EINVAL;
238
239 if (tx) {
240 if (start)
241 ret = ieee80211_start_tx_ba_session(&sta->sta, tid, 5000);
242 else
243 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid);
244 } else {
245 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
246 3, true);
247 ret = 0;
248 }
249
250 return ret ?: count;
251 }
252 STA_OPS_RW(agg_status);
253
254 static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
255 size_t count, loff_t *ppos)
256 {
257 #define PRINT_HT_CAP(_cond, _str) \
258 do { \
259 if (_cond) \
260 p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \
261 } while (0)
262 char buf[512], *p = buf;
263 int i;
264 struct sta_info *sta = file->private_data;
265 struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap;
266
267 p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n",
268 htc->ht_supported ? "" : "not ");
269 if (htc->ht_supported) {
270 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap);
271
272 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC");
273 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40");
274 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20");
275
276 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save");
277 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save");
278 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled");
279
280 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield");
281 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI");
282 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI");
283 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC");
284
285 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC");
286 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream");
287 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams");
288 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams");
289
290 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack");
291
292 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: "
293 "3839 bytes");
294 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: "
295 "7935 bytes");
296
297 /*
298 * For beacons and probe response this would mean the BSS
299 * does or does not allow the usage of DSSS/CCK HT40.
300 * Otherwise it means the STA does or does not use
301 * DSSS/CCK HT40.
302 */
303 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40");
304 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40");
305
306 /* BIT(13) is reserved */
307
308 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant");
309
310 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection");
311
312 p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n",
313 htc->ampdu_factor, htc->ampdu_density);
314 p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:");
315
316 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
317 p += scnprintf(p, sizeof(buf)+buf-p, " %.2x",
318 htc->mcs.rx_mask[i]);
319 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
320
321 /* If not set this is meaningless */
322 if (le16_to_cpu(htc->mcs.rx_highest)) {
323 p += scnprintf(p, sizeof(buf)+buf-p,
324 "MCS rx highest: %d Mbps\n",
325 le16_to_cpu(htc->mcs.rx_highest));
326 }
327
328 p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n",
329 htc->mcs.tx_params);
330 }
331
332 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
333 }
334 STA_OPS(ht_capa);
335
336 static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf,
337 size_t count, loff_t *ppos)
338 {
339 char buf[128], *p = buf;
340 struct sta_info *sta = file->private_data;
341 struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap;
342
343 p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n",
344 vhtc->vht_supported ? "" : "not ");
345 if (vhtc->vht_supported) {
346 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.8x\n", vhtc->cap);
347
348 p += scnprintf(p, sizeof(buf)+buf-p, "RX MCS: %.4x\n",
349 le16_to_cpu(vhtc->vht_mcs.rx_mcs_map));
350 if (vhtc->vht_mcs.rx_highest)
351 p += scnprintf(p, sizeof(buf)+buf-p,
352 "MCS RX highest: %d Mbps\n",
353 le16_to_cpu(vhtc->vht_mcs.rx_highest));
354 p += scnprintf(p, sizeof(buf)+buf-p, "TX MCS: %.4x\n",
355 le16_to_cpu(vhtc->vht_mcs.tx_mcs_map));
356 if (vhtc->vht_mcs.tx_highest)
357 p += scnprintf(p, sizeof(buf)+buf-p,
358 "MCS TX highest: %d Mbps\n",
359 le16_to_cpu(vhtc->vht_mcs.tx_highest));
360 }
361
362 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
363 }
364 STA_OPS(vht_capa);
365
366 static ssize_t sta_current_tx_rate_read(struct file *file, char __user *userbuf,
367 size_t count, loff_t *ppos)
368 {
369 struct sta_info *sta = file->private_data;
370 struct rate_info rinfo;
371 u16 rate;
372 sta_set_rate_info_tx(sta, &sta->last_tx_rate, &rinfo);
373 rate = cfg80211_calculate_bitrate(&rinfo);
374
375 return mac80211_format_buffer(userbuf, count, ppos,
376 "%d.%d MBit/s\n",
377 rate/10, rate%10);
378 }
379 STA_OPS(current_tx_rate);
380
381 static ssize_t sta_last_rx_rate_read(struct file *file, char __user *userbuf,
382 size_t count, loff_t *ppos)
383 {
384 struct sta_info *sta = file->private_data;
385 struct rate_info rinfo;
386 u16 rate;
387
388 sta_set_rate_info_rx(sta, &rinfo);
389
390 rate = cfg80211_calculate_bitrate(&rinfo);
391
392 return mac80211_format_buffer(userbuf, count, ppos,
393 "%d.%d MBit/s\n",
394 rate/10, rate%10);
395 }
396 STA_OPS(last_rx_rate);
397
398 static int
399 sta_tx_latency_stat_header(struct ieee80211_tx_latency_bin_ranges *tx_latency,
400 char *buf, int pos, int bufsz)
401 {
402 int i;
403 int range_count = tx_latency->n_ranges;
404 u32 *bin_ranges = tx_latency->ranges;
405
406 pos += scnprintf(buf + pos, bufsz - pos,
407 "Station\t\t\tTID\tMax\tAvg");
408 if (range_count) {
409 pos += scnprintf(buf + pos, bufsz - pos,
410 "\t<=%d", bin_ranges[0]);
411 for (i = 0; i < range_count - 1; i++)
412 pos += scnprintf(buf + pos, bufsz - pos, "\t%d-%d",
413 bin_ranges[i], bin_ranges[i+1]);
414 pos += scnprintf(buf + pos, bufsz - pos,
415 "\t%d<", bin_ranges[range_count - 1]);
416 }
417
418 pos += scnprintf(buf + pos, bufsz - pos, "\n");
419
420 return pos;
421 }
422
423 static int
424 sta_tx_latency_stat_table(struct ieee80211_tx_latency_bin_ranges *tx_lat_range,
425 struct ieee80211_tx_latency_stat *tx_lat,
426 char *buf, int pos, int bufsz, int tid)
427 {
428 u32 avg = 0;
429 int j;
430 int bin_count = tx_lat->bin_count;
431
432 pos += scnprintf(buf + pos, bufsz - pos, "\t\t\t%d", tid);
433 /* make sure you don't divide in 0 */
434 if (tx_lat->counter)
435 avg = tx_lat->sum / tx_lat->counter;
436
437 pos += scnprintf(buf + pos, bufsz - pos, "\t%d\t%d",
438 tx_lat->max, avg);
439
440 if (tx_lat_range->n_ranges && tx_lat->bins)
441 for (j = 0; j < bin_count; j++)
442 pos += scnprintf(buf + pos, bufsz - pos,
443 "\t%d", tx_lat->bins[j]);
444 pos += scnprintf(buf + pos, bufsz - pos, "\n");
445
446 return pos;
447 }
448
449 /*
450 * Output Tx latency statistics station && restart all statistics information
451 */
452 static ssize_t sta_tx_latency_stat_read(struct file *file,
453 char __user *userbuf,
454 size_t count, loff_t *ppos)
455 {
456 struct sta_info *sta = file->private_data;
457 struct ieee80211_local *local = sta->local;
458 struct ieee80211_tx_latency_bin_ranges *tx_latency;
459 char *buf;
460 int bufsz, ret, i;
461 int pos = 0;
462
463 bufsz = 20 * IEEE80211_NUM_TIDS *
464 sizeof(struct ieee80211_tx_latency_stat);
465 buf = kzalloc(bufsz, GFP_KERNEL);
466 if (!buf)
467 return -ENOMEM;
468
469 rcu_read_lock();
470
471 tx_latency = rcu_dereference(local->tx_latency);
472
473 if (!sta->tx_lat) {
474 pos += scnprintf(buf + pos, bufsz - pos,
475 "Tx latency statistics are not enabled\n");
476 goto unlock;
477 }
478
479 pos = sta_tx_latency_stat_header(tx_latency, buf, pos, bufsz);
480
481 pos += scnprintf(buf + pos, bufsz - pos, "%pM\n", sta->sta.addr);
482 for (i = 0; i < IEEE80211_NUM_TIDS; i++)
483 pos = sta_tx_latency_stat_table(tx_latency, &sta->tx_lat[i],
484 buf, pos, bufsz, i);
485 unlock:
486 rcu_read_unlock();
487
488 ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
489 kfree(buf);
490
491 return ret;
492 }
493 STA_OPS(tx_latency_stat);
494
495 static ssize_t sta_tx_latency_stat_reset_write(struct file *file,
496 const char __user *userbuf,
497 size_t count, loff_t *ppos)
498 {
499 u32 *bins;
500 int bin_count;
501 struct sta_info *sta = file->private_data;
502 int i;
503
504 if (!sta->tx_lat)
505 return -EINVAL;
506
507 for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
508 bins = sta->tx_lat[i].bins;
509 bin_count = sta->tx_lat[i].bin_count;
510
511 sta->tx_lat[i].max = 0;
512 sta->tx_lat[i].sum = 0;
513 sta->tx_lat[i].counter = 0;
514
515 if (bin_count)
516 memset(bins, 0, bin_count * sizeof(u32));
517 }
518
519 return count;
520 }
521 STA_OPS_W(tx_latency_stat_reset);
522
523 #define DEBUGFS_ADD(name) \
524 debugfs_create_file(#name, 0400, \
525 sta->debugfs.dir, sta, &sta_ ##name## _ops);
526
527 #define DEBUGFS_ADD_COUNTER(name, field) \
528 if (sizeof(sta->field) == sizeof(u32)) \
529 debugfs_create_u32(#name, 0400, sta->debugfs.dir, \
530 (u32 *) &sta->field); \
531 else \
532 debugfs_create_u64(#name, 0400, sta->debugfs.dir, \
533 (u64 *) &sta->field);
534
535 void ieee80211_sta_debugfs_add(struct sta_info *sta)
536 {
537 struct ieee80211_local *local = sta->local;
538 struct ieee80211_sub_if_data *sdata = sta->sdata;
539 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations;
540 u8 mac[3*ETH_ALEN];
541
542 sta->debugfs.add_has_run = true;
543
544 if (!stations_dir)
545 return;
546
547 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr);
548
549 /*
550 * This might fail due to a race condition:
551 * When mac80211 unlinks a station, the debugfs entries
552 * remain, but it is already possible to link a new
553 * station with the same address which triggers adding
554 * it to debugfs; therefore, if the old station isn't
555 * destroyed quickly enough the old station's debugfs
556 * dir might still be around.
557 */
558 sta->debugfs.dir = debugfs_create_dir(mac, stations_dir);
559 if (!sta->debugfs.dir)
560 return;
561
562 DEBUGFS_ADD(flags);
563 DEBUGFS_ADD(num_ps_buf_frames);
564 DEBUGFS_ADD(inactive_ms);
565 DEBUGFS_ADD(connected_time);
566 DEBUGFS_ADD(last_seq_ctrl);
567 DEBUGFS_ADD(agg_status);
568 DEBUGFS_ADD(dev);
569 DEBUGFS_ADD(last_signal);
570 DEBUGFS_ADD(beacon_loss_count);
571 DEBUGFS_ADD(ht_capa);
572 DEBUGFS_ADD(vht_capa);
573 DEBUGFS_ADD(last_ack_signal);
574 DEBUGFS_ADD(current_tx_rate);
575 DEBUGFS_ADD(last_rx_rate);
576 DEBUGFS_ADD(tx_latency_stat);
577 DEBUGFS_ADD(tx_latency_stat_reset);
578
579 DEBUGFS_ADD_COUNTER(rx_packets, rx_packets);
580 DEBUGFS_ADD_COUNTER(tx_packets, tx_packets);
581 DEBUGFS_ADD_COUNTER(rx_bytes, rx_bytes);
582 DEBUGFS_ADD_COUNTER(tx_bytes, tx_bytes);
583 DEBUGFS_ADD_COUNTER(rx_duplicates, num_duplicates);
584 DEBUGFS_ADD_COUNTER(rx_fragments, rx_fragments);
585 DEBUGFS_ADD_COUNTER(rx_dropped, rx_dropped);
586 DEBUGFS_ADD_COUNTER(tx_fragments, tx_fragments);
587 DEBUGFS_ADD_COUNTER(tx_filtered, tx_filtered_count);
588 DEBUGFS_ADD_COUNTER(tx_retry_failed, tx_retry_failed);
589 DEBUGFS_ADD_COUNTER(tx_retry_count, tx_retry_count);
590 DEBUGFS_ADD_COUNTER(wep_weak_iv_count, wep_weak_iv_count);
591
592 if (sizeof(sta->driver_buffered_tids) == sizeof(u32))
593 debugfs_create_x32("driver_buffered_tids", 0400,
594 sta->debugfs.dir,
595 (u32 *)&sta->driver_buffered_tids);
596 else
597 debugfs_create_x64("driver_buffered_tids", 0400,
598 sta->debugfs.dir,
599 (u64 *)&sta->driver_buffered_tids);
600
601 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs.dir);
602 }
603
604 void ieee80211_sta_debugfs_remove(struct sta_info *sta)
605 {
606 struct ieee80211_local *local = sta->local;
607 struct ieee80211_sub_if_data *sdata = sta->sdata;
608
609 drv_sta_remove_debugfs(local, sdata, &sta->sta, sta->debugfs.dir);
610 debugfs_remove_recursive(sta->debugfs.dir);
611 sta->debugfs.dir = NULL;
612 }
Linux with added FPC-III support