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
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.
12 #include <linux/debugfs.h>
13 #include <linux/ieee80211.h>
14 #include "ieee80211_i.h"
16 #include "debugfs_sta.h"
18 #include "driver-ops.h"
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) \
27 struct sta_info *sta = file->private_data; \
28 return mac80211_format_buffer(userbuf, count, ppos, \
29 format_string, sta->field); \
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")
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, \
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, \
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, \
57 #define STA_FILE(name, field, format) \
58 STA_READ_##format(name, field) \
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
);
67 static ssize_t
sta_flags_read(struct file
*file
, char __user
*userbuf
,
68 size_t count
, loff_t
*ppos
)
71 struct sta_info
*sta
= file
->private_data
;
74 test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
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%s%s%s",
78 TEST(AUTH
), TEST(ASSOC
), TEST(PS_STA
),
79 TEST(PS_DRIVER
), TEST(AUTHORIZED
),
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(TDLS_INITIATOR
),
86 TEST(TDLS_CHAN_SWITCH
), TEST(TDLS_OFF_CHANNEL
),
87 TEST(4ADDR_EVENT
), TEST(INSERTED
),
88 TEST(RATE_CONTROL
), TEST(TOFFSET_KNOWN
),
89 TEST(MPSP_OWNER
), TEST(MPSP_RECIPIENT
));
91 return simple_read_from_buffer(userbuf
, count
, ppos
, buf
, res
);
95 static ssize_t
sta_num_ps_buf_frames_read(struct file
*file
,
97 size_t count
, loff_t
*ppos
)
99 struct sta_info
*sta
= file
->private_data
;
100 char buf
[17*IEEE80211_NUM_ACS
], *p
= buf
;
103 for (ac
= 0; ac
< IEEE80211_NUM_ACS
; ac
++)
104 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
, "AC%d: %d\n", ac
,
105 skb_queue_len(&sta
->ps_tx_buf
[ac
]) +
106 skb_queue_len(&sta
->tx_filtered
[ac
]));
107 return simple_read_from_buffer(userbuf
, count
, ppos
, buf
, p
- buf
);
109 STA_OPS(num_ps_buf_frames
);
111 static ssize_t
sta_inactive_ms_read(struct file
*file
, char __user
*userbuf
,
112 size_t count
, loff_t
*ppos
)
114 struct sta_info
*sta
= file
->private_data
;
115 return mac80211_format_buffer(userbuf
, count
, ppos
, "%d\n",
116 jiffies_to_msecs(jiffies
- sta
->last_rx
));
118 STA_OPS(inactive_ms
);
121 static ssize_t
sta_connected_time_read(struct file
*file
, char __user
*userbuf
,
122 size_t count
, loff_t
*ppos
)
124 struct sta_info
*sta
= file
->private_data
;
125 struct timespec uptime
;
127 long connected_time_secs
;
130 ktime_get_ts(&uptime
);
131 connected_time_secs
= uptime
.tv_sec
- sta
->last_connected
;
132 time_to_tm(connected_time_secs
, 0, &result
);
133 result
.tm_year
-= 70;
135 res
= scnprintf(buf
, sizeof(buf
),
136 "years - %ld\nmonths - %d\ndays - %d\nclock - %d:%d:%d\n\n",
137 result
.tm_year
, result
.tm_mon
, result
.tm_mday
,
138 result
.tm_hour
, result
.tm_min
, result
.tm_sec
);
139 return simple_read_from_buffer(userbuf
, count
, ppos
, buf
, res
);
141 STA_OPS(connected_time
);
145 static ssize_t
sta_last_seq_ctrl_read(struct file
*file
, char __user
*userbuf
,
146 size_t count
, loff_t
*ppos
)
148 char buf
[15*IEEE80211_NUM_TIDS
], *p
= buf
;
150 struct sta_info
*sta
= file
->private_data
;
151 for (i
= 0; i
< IEEE80211_NUM_TIDS
; i
++)
152 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
, "%x ",
153 le16_to_cpu(sta
->last_seq_ctrl
[i
]));
154 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
, "\n");
155 return simple_read_from_buffer(userbuf
, count
, ppos
, buf
, p
- buf
);
157 STA_OPS(last_seq_ctrl
);
159 static ssize_t
sta_agg_status_read(struct file
*file
, char __user
*userbuf
,
160 size_t count
, loff_t
*ppos
)
162 char buf
[71 + IEEE80211_NUM_TIDS
* 40], *p
= buf
;
164 struct sta_info
*sta
= file
->private_data
;
165 struct tid_ampdu_rx
*tid_rx
;
166 struct tid_ampdu_tx
*tid_tx
;
170 p
+= scnprintf(p
, sizeof(buf
) + buf
- p
, "next dialog_token: %#02x\n",
171 sta
->ampdu_mlme
.dialog_token_allocator
+ 1);
172 p
+= scnprintf(p
, sizeof(buf
) + buf
- p
,
173 "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n");
175 for (i
= 0; i
< IEEE80211_NUM_TIDS
; i
++) {
176 tid_rx
= rcu_dereference(sta
->ampdu_mlme
.tid_rx
[i
]);
177 tid_tx
= rcu_dereference(sta
->ampdu_mlme
.tid_tx
[i
]);
179 p
+= scnprintf(p
, sizeof(buf
) + buf
- p
, "%02d", i
);
180 p
+= scnprintf(p
, sizeof(buf
) + buf
- p
, "\t\t%x", !!tid_rx
);
181 p
+= scnprintf(p
, sizeof(buf
) + buf
- p
, "\t%#.2x",
182 tid_rx
? tid_rx
->dialog_token
: 0);
183 p
+= scnprintf(p
, sizeof(buf
) + buf
- p
, "\t%#.3x",
184 tid_rx
? tid_rx
->ssn
: 0);
186 p
+= scnprintf(p
, sizeof(buf
) + buf
- p
, "\t\t%x", !!tid_tx
);
187 p
+= scnprintf(p
, sizeof(buf
) + buf
- p
, "\t%#.2x",
188 tid_tx
? tid_tx
->dialog_token
: 0);
189 p
+= scnprintf(p
, sizeof(buf
) + buf
- p
, "\t%03d",
190 tid_tx
? skb_queue_len(&tid_tx
->pending
) : 0);
191 p
+= scnprintf(p
, sizeof(buf
) + buf
- p
, "\n");
195 return simple_read_from_buffer(userbuf
, count
, ppos
, buf
, p
- buf
);
198 static ssize_t
sta_agg_status_write(struct file
*file
, const char __user
*userbuf
,
199 size_t count
, loff_t
*ppos
)
201 char _buf
[12] = {}, *buf
= _buf
;
202 struct sta_info
*sta
= file
->private_data
;
207 if (count
> sizeof(_buf
))
210 if (copy_from_user(buf
, userbuf
, count
))
213 buf
[sizeof(_buf
) - 1] = '\0';
215 if (strncmp(buf
, "tx ", 3) == 0) {
218 } else if (strncmp(buf
, "rx ", 3) == 0) {
224 if (strncmp(buf
, "start ", 6) == 0) {
229 } else if (strncmp(buf
, "stop ", 5) == 0) {
235 ret
= kstrtoul(buf
, 0, &tid
);
239 if (tid
>= IEEE80211_NUM_TIDS
)
244 ret
= ieee80211_start_tx_ba_session(&sta
->sta
, tid
, 5000);
246 ret
= ieee80211_stop_tx_ba_session(&sta
->sta
, tid
);
248 __ieee80211_stop_rx_ba_session(sta
, tid
, WLAN_BACK_RECIPIENT
,
255 STA_OPS_RW(agg_status
);
257 static ssize_t
sta_ht_capa_read(struct file
*file
, char __user
*userbuf
,
258 size_t count
, loff_t
*ppos
)
260 #define PRINT_HT_CAP(_cond, _str) \
263 p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \
265 char buf
[512], *p
= buf
;
267 struct sta_info
*sta
= file
->private_data
;
268 struct ieee80211_sta_ht_cap
*htc
= &sta
->sta
.ht_cap
;
270 p
+= scnprintf(p
, sizeof(buf
) + buf
- p
, "ht %ssupported\n",
271 htc
->ht_supported
? "" : "not ");
272 if (htc
->ht_supported
) {
273 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
, "cap: %#.4x\n", htc
->cap
);
275 PRINT_HT_CAP((htc
->cap
& BIT(0)), "RX LDPC");
276 PRINT_HT_CAP((htc
->cap
& BIT(1)), "HT20/HT40");
277 PRINT_HT_CAP(!(htc
->cap
& BIT(1)), "HT20");
279 PRINT_HT_CAP(((htc
->cap
>> 2) & 0x3) == 0, "Static SM Power Save");
280 PRINT_HT_CAP(((htc
->cap
>> 2) & 0x3) == 1, "Dynamic SM Power Save");
281 PRINT_HT_CAP(((htc
->cap
>> 2) & 0x3) == 3, "SM Power Save disabled");
283 PRINT_HT_CAP((htc
->cap
& BIT(4)), "RX Greenfield");
284 PRINT_HT_CAP((htc
->cap
& BIT(5)), "RX HT20 SGI");
285 PRINT_HT_CAP((htc
->cap
& BIT(6)), "RX HT40 SGI");
286 PRINT_HT_CAP((htc
->cap
& BIT(7)), "TX STBC");
288 PRINT_HT_CAP(((htc
->cap
>> 8) & 0x3) == 0, "No RX STBC");
289 PRINT_HT_CAP(((htc
->cap
>> 8) & 0x3) == 1, "RX STBC 1-stream");
290 PRINT_HT_CAP(((htc
->cap
>> 8) & 0x3) == 2, "RX STBC 2-streams");
291 PRINT_HT_CAP(((htc
->cap
>> 8) & 0x3) == 3, "RX STBC 3-streams");
293 PRINT_HT_CAP((htc
->cap
& BIT(10)), "HT Delayed Block Ack");
295 PRINT_HT_CAP(!(htc
->cap
& BIT(11)), "Max AMSDU length: "
297 PRINT_HT_CAP((htc
->cap
& BIT(11)), "Max AMSDU length: "
301 * For beacons and probe response this would mean the BSS
302 * does or does not allow the usage of DSSS/CCK HT40.
303 * Otherwise it means the STA does or does not use
306 PRINT_HT_CAP((htc
->cap
& BIT(12)), "DSSS/CCK HT40");
307 PRINT_HT_CAP(!(htc
->cap
& BIT(12)), "No DSSS/CCK HT40");
309 /* BIT(13) is reserved */
311 PRINT_HT_CAP((htc
->cap
& BIT(14)), "40 MHz Intolerant");
313 PRINT_HT_CAP((htc
->cap
& BIT(15)), "L-SIG TXOP protection");
315 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
, "ampdu factor/density: %d/%d\n",
316 htc
->ampdu_factor
, htc
->ampdu_density
);
317 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
, "MCS mask:");
319 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
320 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
, " %.2x",
321 htc
->mcs
.rx_mask
[i
]);
322 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
, "\n");
324 /* If not set this is meaningless */
325 if (le16_to_cpu(htc
->mcs
.rx_highest
)) {
326 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
,
327 "MCS rx highest: %d Mbps\n",
328 le16_to_cpu(htc
->mcs
.rx_highest
));
331 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
, "MCS tx params: %x\n",
335 return simple_read_from_buffer(userbuf
, count
, ppos
, buf
, p
- buf
);
339 static ssize_t
sta_vht_capa_read(struct file
*file
, char __user
*userbuf
,
340 size_t count
, loff_t
*ppos
)
342 char buf
[128], *p
= buf
;
343 struct sta_info
*sta
= file
->private_data
;
344 struct ieee80211_sta_vht_cap
*vhtc
= &sta
->sta
.vht_cap
;
346 p
+= scnprintf(p
, sizeof(buf
) + buf
- p
, "VHT %ssupported\n",
347 vhtc
->vht_supported
? "" : "not ");
348 if (vhtc
->vht_supported
) {
349 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
, "cap: %#.8x\n", vhtc
->cap
);
351 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
, "RX MCS: %.4x\n",
352 le16_to_cpu(vhtc
->vht_mcs
.rx_mcs_map
));
353 if (vhtc
->vht_mcs
.rx_highest
)
354 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
,
355 "MCS RX highest: %d Mbps\n",
356 le16_to_cpu(vhtc
->vht_mcs
.rx_highest
));
357 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
, "TX MCS: %.4x\n",
358 le16_to_cpu(vhtc
->vht_mcs
.tx_mcs_map
));
359 if (vhtc
->vht_mcs
.tx_highest
)
360 p
+= scnprintf(p
, sizeof(buf
)+buf
-p
,
361 "MCS TX highest: %d Mbps\n",
362 le16_to_cpu(vhtc
->vht_mcs
.tx_highest
));
365 return simple_read_from_buffer(userbuf
, count
, ppos
, buf
, p
- buf
);
369 static ssize_t
sta_current_tx_rate_read(struct file
*file
, char __user
*userbuf
,
370 size_t count
, loff_t
*ppos
)
372 struct sta_info
*sta
= file
->private_data
;
373 struct rate_info rinfo
;
375 sta_set_rate_info_tx(sta
, &sta
->last_tx_rate
, &rinfo
);
376 rate
= cfg80211_calculate_bitrate(&rinfo
);
378 return mac80211_format_buffer(userbuf
, count
, ppos
,
382 STA_OPS(current_tx_rate
);
384 static ssize_t
sta_last_rx_rate_read(struct file
*file
, char __user
*userbuf
,
385 size_t count
, loff_t
*ppos
)
387 struct sta_info
*sta
= file
->private_data
;
388 struct rate_info rinfo
;
391 sta_set_rate_info_rx(sta
, &rinfo
);
393 rate
= cfg80211_calculate_bitrate(&rinfo
);
395 return mac80211_format_buffer(userbuf
, count
, ppos
,
399 STA_OPS(last_rx_rate
);
402 sta_tx_latency_stat_header(struct ieee80211_tx_latency_bin_ranges
*tx_latency
,
403 char *buf
, int pos
, int bufsz
)
406 int range_count
= tx_latency
->n_ranges
;
407 u32
*bin_ranges
= tx_latency
->ranges
;
409 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
410 "Station\t\t\tTID\tMax\tAvg");
412 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
413 "\t<=%d", bin_ranges
[0]);
414 for (i
= 0; i
< range_count
- 1; i
++)
415 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\t%d-%d",
416 bin_ranges
[i
], bin_ranges
[i
+1]);
417 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
418 "\t%d<", bin_ranges
[range_count
- 1]);
421 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
427 sta_tx_latency_stat_table(struct ieee80211_tx_latency_bin_ranges
*tx_lat_range
,
428 struct ieee80211_tx_latency_stat
*tx_lat
,
429 char *buf
, int pos
, int bufsz
, int tid
)
433 int bin_count
= tx_lat
->bin_count
;
435 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\t\t\t%d", tid
);
436 /* make sure you don't divide in 0 */
438 avg
= tx_lat
->sum
/ tx_lat
->counter
;
440 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\t%d\t%d",
443 if (tx_lat_range
->n_ranges
&& tx_lat
->bins
)
444 for (j
= 0; j
< bin_count
; j
++)
445 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
446 "\t%d", tx_lat
->bins
[j
]);
447 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "\n");
453 * Output Tx latency statistics station && restart all statistics information
455 static ssize_t
sta_tx_latency_stat_read(struct file
*file
,
456 char __user
*userbuf
,
457 size_t count
, loff_t
*ppos
)
459 struct sta_info
*sta
= file
->private_data
;
460 struct ieee80211_local
*local
= sta
->local
;
461 struct ieee80211_tx_latency_bin_ranges
*tx_latency
;
466 bufsz
= 20 * IEEE80211_NUM_TIDS
*
467 sizeof(struct ieee80211_tx_latency_stat
);
468 buf
= kzalloc(bufsz
, GFP_KERNEL
);
474 tx_latency
= rcu_dereference(local
->tx_latency
);
477 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
,
478 "Tx latency statistics are not enabled\n");
482 pos
= sta_tx_latency_stat_header(tx_latency
, buf
, pos
, bufsz
);
484 pos
+= scnprintf(buf
+ pos
, bufsz
- pos
, "%pM\n", sta
->sta
.addr
);
485 for (i
= 0; i
< IEEE80211_NUM_TIDS
; i
++)
486 pos
= sta_tx_latency_stat_table(tx_latency
, &sta
->tx_lat
[i
],
491 ret
= simple_read_from_buffer(userbuf
, count
, ppos
, buf
, pos
);
496 STA_OPS(tx_latency_stat
);
498 static ssize_t
sta_tx_latency_stat_reset_write(struct file
*file
,
499 const char __user
*userbuf
,
500 size_t count
, loff_t
*ppos
)
504 struct sta_info
*sta
= file
->private_data
;
510 for (i
= 0; i
< IEEE80211_NUM_TIDS
; i
++) {
511 bins
= sta
->tx_lat
[i
].bins
;
512 bin_count
= sta
->tx_lat
[i
].bin_count
;
514 sta
->tx_lat
[i
].max
= 0;
515 sta
->tx_lat
[i
].sum
= 0;
516 sta
->tx_lat
[i
].counter
= 0;
519 memset(bins
, 0, bin_count
* sizeof(u32
));
524 STA_OPS_W(tx_latency_stat_reset
);
526 #define DEBUGFS_ADD(name) \
527 debugfs_create_file(#name, 0400, \
528 sta->debugfs.dir, sta, &sta_ ##name## _ops);
530 #define DEBUGFS_ADD_COUNTER(name, field) \
531 if (sizeof(sta->field) == sizeof(u32)) \
532 debugfs_create_u32(#name, 0400, sta->debugfs.dir, \
533 (u32 *) &sta->field); \
535 debugfs_create_u64(#name, 0400, sta->debugfs.dir, \
536 (u64 *) &sta->field);
538 void ieee80211_sta_debugfs_add(struct sta_info
*sta
)
540 struct ieee80211_local
*local
= sta
->local
;
541 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
542 struct dentry
*stations_dir
= sta
->sdata
->debugfs
.subdir_stations
;
545 sta
->debugfs
.add_has_run
= true;
550 snprintf(mac
, sizeof(mac
), "%pM", sta
->sta
.addr
);
553 * This might fail due to a race condition:
554 * When mac80211 unlinks a station, the debugfs entries
555 * remain, but it is already possible to link a new
556 * station with the same address which triggers adding
557 * it to debugfs; therefore, if the old station isn't
558 * destroyed quickly enough the old station's debugfs
559 * dir might still be around.
561 sta
->debugfs
.dir
= debugfs_create_dir(mac
, stations_dir
);
562 if (!sta
->debugfs
.dir
)
566 DEBUGFS_ADD(num_ps_buf_frames
);
567 DEBUGFS_ADD(inactive_ms
);
568 DEBUGFS_ADD(connected_time
);
569 DEBUGFS_ADD(last_seq_ctrl
);
570 DEBUGFS_ADD(agg_status
);
572 DEBUGFS_ADD(last_signal
);
573 DEBUGFS_ADD(beacon_loss_count
);
574 DEBUGFS_ADD(ht_capa
);
575 DEBUGFS_ADD(vht_capa
);
576 DEBUGFS_ADD(last_ack_signal
);
577 DEBUGFS_ADD(current_tx_rate
);
578 DEBUGFS_ADD(last_rx_rate
);
579 DEBUGFS_ADD(tx_latency_stat
);
580 DEBUGFS_ADD(tx_latency_stat_reset
);
582 DEBUGFS_ADD_COUNTER(rx_packets
, rx_packets
);
583 DEBUGFS_ADD_COUNTER(tx_packets
, tx_packets
);
584 DEBUGFS_ADD_COUNTER(rx_bytes
, rx_bytes
);
585 DEBUGFS_ADD_COUNTER(tx_bytes
, tx_bytes
);
586 DEBUGFS_ADD_COUNTER(rx_duplicates
, num_duplicates
);
587 DEBUGFS_ADD_COUNTER(rx_fragments
, rx_fragments
);
588 DEBUGFS_ADD_COUNTER(rx_dropped
, rx_dropped
);
589 DEBUGFS_ADD_COUNTER(tx_fragments
, tx_fragments
);
590 DEBUGFS_ADD_COUNTER(tx_filtered
, tx_filtered_count
);
591 DEBUGFS_ADD_COUNTER(tx_retry_failed
, tx_retry_failed
);
592 DEBUGFS_ADD_COUNTER(tx_retry_count
, tx_retry_count
);
594 if (sizeof(sta
->driver_buffered_tids
) == sizeof(u32
))
595 debugfs_create_x32("driver_buffered_tids", 0400,
597 (u32
*)&sta
->driver_buffered_tids
);
599 debugfs_create_x64("driver_buffered_tids", 0400,
601 (u64
*)&sta
->driver_buffered_tids
);
603 drv_sta_add_debugfs(local
, sdata
, &sta
->sta
, sta
->debugfs
.dir
);
606 void ieee80211_sta_debugfs_remove(struct sta_info
*sta
)
608 struct ieee80211_local
*local
= sta
->local
;
609 struct ieee80211_sub_if_data
*sdata
= sta
->sdata
;
611 drv_sta_remove_debugfs(local
, sdata
, &sta
->sta
, sta
->debugfs
.dir
);
612 debugfs_remove_recursive(sta
->debugfs
.dir
);
613 sta
->debugfs
.dir
= NULL
;