2 * Copyright 2003-2005 Devicescape Software, Inc.
3 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
4 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
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.
11 #include <linux/debugfs.h>
12 #include <linux/ieee80211.h>
13 #include "ieee80211_i.h"
15 #include "debugfs_sta.h"
17 #include "driver-ops.h"
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) \
26 struct sta_info *sta = file->private_data; \
27 return mac80211_format_buffer(userbuf, count, ppos, \
28 format_string, sta->field); \
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")
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, \
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, \
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, \
56 #define STA_FILE(name, field, format) \
57 STA_READ_##format(name, field) \
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
);
66 static ssize_t
sta_flags_read(struct file
*file
, char __user
*userbuf
,
67 size_t count
, loff_t
*ppos
)
70 struct sta_info
*sta
= file
->private_data
;
73 test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
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
),
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
));
88 return simple_read_from_buffer(userbuf
, count
, ppos
, buf
, res
);
92 static ssize_t
sta_num_ps_buf_frames_read(struct file
*file
,
94 size_t count
, loff_t
*ppos
)
96 struct sta_info
*sta
= file
->private_data
;
97 char buf
[17*IEEE80211_NUM_ACS
], *p
= buf
;
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
);
106 STA_OPS(num_ps_buf_frames
);
108 static ssize_t
sta_inactive_ms_read(struct file
*file
, char __user
*userbuf
,
109 size_t count
, loff_t
*ppos
)
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
));
115 STA_OPS(inactive_ms
);
118 static ssize_t
sta_connected_time_read(struct file
*file
, char __user
*userbuf
,
119 size_t count
, loff_t
*ppos
)
121 struct sta_info
*sta
= file
->private_data
;
122 struct timespec uptime
;
124 long connected_time_secs
;
127 ktime_get_ts(&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;
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
);
138 STA_OPS(connected_time
);
142 static ssize_t
sta_last_seq_ctrl_read(struct file
*file
, char __user
*userbuf
,
143 size_t count
, loff_t
*ppos
)
145 char buf
[15*IEEE80211_NUM_TIDS
], *p
= buf
;
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
);
154 STA_OPS(last_seq_ctrl
);
156 static ssize_t
sta_agg_status_read(struct file
*file
, char __user
*userbuf
,
157 size_t count
, loff_t
*ppos
)
159 char buf
[71 + IEEE80211_NUM_TIDS
* 40], *p
= buf
;
161 struct sta_info
*sta
= file
->private_data
;
162 struct tid_ampdu_rx
*tid_rx
;
163 struct tid_ampdu_tx
*tid_tx
;
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");
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
]);
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);
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");
192 return simple_read_from_buffer(userbuf
, count
, ppos
, buf
, p
- buf
);
195 static ssize_t
sta_agg_status_write(struct file
*file
, const char __user
*userbuf
,
196 size_t count
, loff_t
*ppos
)
198 char _buf
[12] = {}, *buf
= _buf
;
199 struct sta_info
*sta
= file
->private_data
;
204 if (count
> sizeof(_buf
))
207 if (copy_from_user(buf
, userbuf
, count
))
210 buf
[sizeof(_buf
) - 1] = '\0';
212 if (strncmp(buf
, "tx ", 3) == 0) {
215 } else if (strncmp(buf
, "rx ", 3) == 0) {
221 if (strncmp(buf
, "start ", 6) == 0) {
226 } else if (strncmp(buf
, "stop ", 5) == 0) {
232 ret
= kstrtoul(buf
, 0, &tid
);
236 if (tid
>= IEEE80211_NUM_TIDS
)
241 ret
= ieee80211_start_tx_ba_session(&sta
->sta
, tid
, 5000);
243 ret
= ieee80211_stop_tx_ba_session(&sta
->sta
, tid
);
245 __ieee80211_stop_rx_ba_session(sta
, tid
, WLAN_BACK_RECIPIENT
,
252 STA_OPS_RW(agg_status
);
254 static ssize_t
sta_ht_capa_read(struct file
*file
, char __user
*userbuf
,
255 size_t count
, loff_t
*ppos
)
257 #define PRINT_HT_CAP(_cond, _str) \
260 p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \
262 char buf
[512], *p
= buf
;
264 struct sta_info
*sta
= file
->private_data
;
265 struct ieee80211_sta_ht_cap
*htc
= &sta
->sta
.ht_cap
;
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
);
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");
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");
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");
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");
290 PRINT_HT_CAP((htc
->cap
& BIT(10)), "HT Delayed Block Ack");
292 PRINT_HT_CAP(!(htc
->cap
& BIT(11)), "Max AMSDU length: "
294 PRINT_HT_CAP((htc
->cap
& BIT(11)), "Max AMSDU length: "
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
303 PRINT_HT_CAP((htc
->cap
& BIT(12)), "DSSS/CCK HT40");
304 PRINT_HT_CAP(!(htc
->cap
& BIT(12)), "No DSSS/CCK HT40");
306 /* BIT(13) is reserved */
308 PRINT_HT_CAP((htc
->cap
& BIT(14)), "40 MHz Intolerant");
310 PRINT_HT_CAP((htc
->cap
& BIT(15)), "L-SIG TXOP protection");
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:");
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");
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
));
328 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
, "MCS tx params: %x\n",
332 return simple_read_from_buffer(userbuf
, count
, ppos
, buf
, p
- buf
);
336 static ssize_t
sta_vht_capa_read(struct file
*file
, char __user
*userbuf
,
337 size_t count
, loff_t
*ppos
)
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
;
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
);
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
));
362 return simple_read_from_buffer(userbuf
, count
, ppos
, buf
, p
- buf
);
366 static ssize_t
sta_current_tx_rate_read(struct file
*file
, char __user
*userbuf
,
367 size_t count
, loff_t
*ppos
)
369 struct sta_info
*sta
= file
->private_data
;
370 struct rate_info rinfo
;
372 sta_set_rate_info_tx(sta
, &sta
->last_tx_rate
, &rinfo
);
373 rate
= cfg80211_calculate_bitrate(&rinfo
);
375 return mac80211_format_buffer(userbuf
, count
, ppos
,
379 STA_OPS(current_tx_rate
);
381 static ssize_t
sta_last_rx_rate_read(struct file
*file
, char __user
*userbuf
,
382 size_t count
, loff_t
*ppos
)
384 struct sta_info
*sta
= file
->private_data
;
385 struct rate_info rinfo
;
388 sta_set_rate_info_rx(sta
, &rinfo
);
390 rate
= cfg80211_calculate_bitrate(&rinfo
);
392 return mac80211_format_buffer(userbuf
, count
, ppos
,
396 STA_OPS(last_rx_rate
);
399 sta_tx_latency_stat_header(struct ieee80211_tx_latency_bin_ranges
*tx_latency
,
400 char *buf
, int pos
, int bufsz
)
403 int range_count
= tx_latency
->n_ranges
;
404 u32
*bin_ranges
= tx_latency
->ranges
;
406 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
407 "Station\t\t\tTID\tMax\tAvg");
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]);
418 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
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
)
430 int bin_count
= tx_lat
->bin_count
;
432 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\t\t\t%d", tid
);
433 /* make sure you don't divide in 0 */
435 avg
= tx_lat
->sum
/ tx_lat
->counter
;
437 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\t%d\t%d",
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");
450 * Output Tx latency statistics station && restart all statistics information
452 static ssize_t
sta_tx_latency_stat_read(struct file
*file
,
453 char __user
*userbuf
,
454 size_t count
, loff_t
*ppos
)
456 struct sta_info
*sta
= file
->private_data
;
457 struct ieee80211_local
*local
= sta
->local
;
458 struct ieee80211_tx_latency_bin_ranges
*tx_latency
;
463 bufsz
= 20 * IEEE80211_NUM_TIDS
*
464 sizeof(struct ieee80211_tx_latency_stat
);
465 buf
= kzalloc(bufsz
, GFP_KERNEL
);
471 tx_latency
= rcu_dereference(local
->tx_latency
);
474 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
475 "Tx latency statistics are not enabled\n");
479 pos
= sta_tx_latency_stat_header(tx_latency
, buf
, pos
, bufsz
);
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
],
488 ret
= simple_read_from_buffer(userbuf
, count
, ppos
, buf
, pos
);
493 STA_OPS(tx_latency_stat
);
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
)
501 struct sta_info
*sta
= file
->private_data
;
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
;
511 sta
->tx_lat
[i
].max
= 0;
512 sta
->tx_lat
[i
].sum
= 0;
513 sta
->tx_lat
[i
].counter
= 0;
516 memset(bins
, 0, bin_count
* sizeof(u32
));
521 STA_OPS_W(tx_latency_stat_reset
);
523 #define DEBUGFS_ADD(name) \
524 debugfs_create_file(#name, 0400, \
525 sta->debugfs.dir, sta, &sta_ ##name## _ops);
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); \
532 debugfs_create_u64(#name, 0400, sta->debugfs.dir, \
533 (u64 *) &sta->field);
535 void ieee80211_sta_debugfs_add(struct sta_info
*sta
)
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
;
542 sta
->debugfs
.add_has_run
= true;
547 snprintf(mac
, sizeof(mac
), "%pM", sta
->sta
.addr
);
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.
558 sta
->debugfs
.dir
= debugfs_create_dir(mac
, stations_dir
);
559 if (!sta
->debugfs
.dir
)
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
);
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
);
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
);
591 if (sizeof(sta
->driver_buffered_tids
) == sizeof(u32
))
592 debugfs_create_x32("driver_buffered_tids", 0400,
594 (u32
*)&sta
->driver_buffered_tids
);
596 debugfs_create_x64("driver_buffered_tids", 0400,
598 (u64
*)&sta
->driver_buffered_tids
);
600 drv_sta_add_debugfs(local
, sdata
, &sta
->sta
, sta
->debugfs
.dir
);
603 void ieee80211_sta_debugfs_remove(struct sta_info
*sta
)
605 struct ieee80211_local
*local
= sta
->local
;
606 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
608 drv_sta_remove_debugfs(local
, sdata
, &sta
->sta
, sta
->debugfs
.dir
);
609 debugfs_remove_recursive(sta
->debugfs
.dir
);
610 sta
->debugfs
.dir
= NULL
;