Commit | Line | Data |
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e9f207f0 JB |
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> | |
d98ad83e | 5 | * Copyright 2013-2014 Intel Mobile Communications GmbH |
1e0bbeba | 6 | * Copyright(c) 2016 Intel Deutschland GmbH |
e9f207f0 JB |
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" | |
77d2ece6 | 19 | #include "driver-ops.h" |
e9f207f0 JB |
20 | |
21 | /* sta attributtes */ | |
22 | ||
07caf9d6 | 23 | #define STA_READ(name, field, format_string) \ |
e9f207f0 JB |
24 | static ssize_t sta_ ##name## _read(struct file *file, \ |
25 | char __user *userbuf, \ | |
26 | size_t count, loff_t *ppos) \ | |
27 | { \ | |
e9f207f0 | 28 | struct sta_info *sta = file->private_data; \ |
07caf9d6 EP |
29 | return mac80211_format_buffer(userbuf, count, ppos, \ |
30 | format_string, sta->field); \ | |
e9f207f0 | 31 | } |
07caf9d6 | 32 | #define STA_READ_D(name, field) STA_READ(name, field, "%d\n") |
e9f207f0 | 33 | |
e9f207f0 JB |
34 | #define STA_OPS(name) \ |
35 | static const struct file_operations sta_ ##name## _ops = { \ | |
36 | .read = sta_##name##_read, \ | |
234e3405 | 37 | .open = simple_open, \ |
2b18ab36 | 38 | .llseek = generic_file_llseek, \ |
e9f207f0 JB |
39 | } |
40 | ||
a75b4363 JB |
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, \ | |
234e3405 | 45 | .open = simple_open, \ |
2b18ab36 | 46 | .llseek = generic_file_llseek, \ |
a75b4363 JB |
47 | } |
48 | ||
e9f207f0 JB |
49 | #define STA_FILE(name, field, format) \ |
50 | STA_READ_##format(name, field) \ | |
51 | STA_OPS(name) | |
52 | ||
17741cdc | 53 | STA_FILE(aid, sta.aid, D); |
e9f207f0 | 54 | |
c84387d2 JB |
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 | ||
e9f207f0 JB |
86 | static ssize_t sta_flags_read(struct file *file, char __user *userbuf, |
87 | size_t count, loff_t *ppos) | |
88 | { | |
c84387d2 JB |
89 | char buf[16 * NUM_WLAN_STA_FLAGS], *pos = buf; |
90 | char *end = buf + sizeof(buf) - 1; | |
e9f207f0 | 91 | struct sta_info *sta = file->private_data; |
c84387d2 JB |
92 | unsigned int flg; |
93 | ||
94 | BUILD_BUG_ON(ARRAY_SIZE(sta_flag_names) != NUM_WLAN_STA_FLAGS); | |
c2c98fde | 95 | |
c84387d2 JB |
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 | } | |
5bade101 | 101 | |
c84387d2 | 102 | return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf)); |
e9f207f0 JB |
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 | { | |
e9f207f0 | 110 | struct sta_info *sta = file->private_data; |
948d887d JB |
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); | |
e9f207f0 JB |
119 | } |
120 | STA_OPS(num_ps_buf_frames); | |
121 | ||
e9f207f0 JB |
122 | static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf, |
123 | size_t count, loff_t *ppos) | |
124 | { | |
5a306f58 | 125 | char buf[15*IEEE80211_NUM_TIDS], *p = buf; |
e9f207f0 JB |
126 | int i; |
127 | struct sta_info *sta = file->private_data; | |
5a306f58 | 128 | for (i = 0; i < IEEE80211_NUM_TIDS; i++) |
e9f207f0 | 129 | p += scnprintf(p, sizeof(buf)+buf-p, "%x ", |
ba9b07d0 | 130 | le16_to_cpu(sta->last_seq_ctrl[i])); |
e9f207f0 JB |
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 | ||
eb2ba62e RR |
136 | static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf, |
137 | size_t count, loff_t *ppos) | |
138 | { | |
5a306f58 | 139 | char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf; |
eb2ba62e RR |
140 | int i; |
141 | struct sta_info *sta = file->private_data; | |
dd318575 JB |
142 | struct tid_ampdu_rx *tid_rx; |
143 | struct tid_ampdu_tx *tid_tx; | |
144 | ||
145 | rcu_read_lock(); | |
eb2ba62e | 146 | |
e0b20f1c | 147 | p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n", |
386aa23d | 148 | sta->ampdu_mlme.dialog_token_allocator + 1); |
e0b20f1c | 149 | p += scnprintf(p, sizeof(buf) + buf - p, |
14b058bb | 150 | "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n"); |
dd318575 | 151 | |
5a306f58 | 152 | for (i = 0; i < IEEE80211_NUM_TIDS; i++) { |
dd318575 JB |
153 | tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]); |
154 | tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]); | |
155 | ||
e0b20f1c | 156 | p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i); |
dd318575 | 157 | p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_rx); |
e0b20f1c | 158 | p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", |
dd318575 | 159 | tid_rx ? tid_rx->dialog_token : 0); |
e0b20f1c | 160 | p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x", |
dd318575 | 161 | tid_rx ? tid_rx->ssn : 0); |
386aa23d | 162 | |
dd318575 | 163 | p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx); |
e0b20f1c | 164 | p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", |
dd318575 | 165 | tid_tx ? tid_tx->dialog_token : 0); |
e0b20f1c | 166 | p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d", |
dd318575 | 167 | tid_tx ? skb_queue_len(&tid_tx->pending) : 0); |
e0b20f1c | 168 | p += scnprintf(p, sizeof(buf) + buf - p, "\n"); |
386aa23d | 169 | } |
dd318575 | 170 | rcu_read_unlock(); |
eb2ba62e RR |
171 | |
172 | return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); | |
173 | } | |
a75b4363 JB |
174 | |
175 | static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf, | |
176 | size_t count, loff_t *ppos) | |
177 | { | |
1e0bbeba | 178 | char _buf[25] = {}, *buf = _buf; |
a75b4363 JB |
179 | struct sta_info *sta = file->private_data; |
180 | bool start, tx; | |
181 | unsigned long tid; | |
1e0bbeba SS |
182 | char *pos; |
183 | int ret, timeout = 5000; | |
a75b4363 JB |
184 | |
185 | if (count > sizeof(_buf)) | |
186 | return -EINVAL; | |
187 | ||
188 | if (copy_from_user(buf, userbuf, count)) | |
189 | return -EFAULT; | |
190 | ||
191 | buf[sizeof(_buf) - 1] = '\0'; | |
1e0bbeba SS |
192 | pos = buf; |
193 | buf = strsep(&pos, " "); | |
194 | if (!buf) | |
195 | return -EINVAL; | |
a75b4363 | 196 | |
1e0bbeba | 197 | if (!strcmp(buf, "tx")) |
a75b4363 | 198 | tx = true; |
1e0bbeba | 199 | else if (!strcmp(buf, "rx")) |
a75b4363 | 200 | tx = false; |
1e0bbeba | 201 | else |
a75b4363 JB |
202 | return -EINVAL; |
203 | ||
1e0bbeba SS |
204 | buf = strsep(&pos, " "); |
205 | if (!buf) | |
206 | return -EINVAL; | |
207 | if (!strcmp(buf, "start")) { | |
a75b4363 JB |
208 | start = true; |
209 | if (!tx) | |
210 | return -EINVAL; | |
1e0bbeba | 211 | } else if (!strcmp(buf, "stop")) { |
a75b4363 | 212 | start = false; |
1e0bbeba | 213 | } else { |
a75b4363 | 214 | return -EINVAL; |
1e0bbeba | 215 | } |
a75b4363 | 216 | |
1e0bbeba SS |
217 | buf = strsep(&pos, " "); |
218 | if (!buf) | |
219 | return -EINVAL; | |
220 | if (sscanf(buf, "timeout=%d", &timeout) == 1) { | |
221 | buf = strsep(&pos, " "); | |
222 | if (!buf || !tx || !start) | |
223 | return -EINVAL; | |
224 | } | |
a75b4363 | 225 | |
1e0bbeba SS |
226 | ret = kstrtoul(buf, 0, &tid); |
227 | if (ret || tid >= IEEE80211_NUM_TIDS) | |
a75b4363 JB |
228 | return -EINVAL; |
229 | ||
230 | if (tx) { | |
231 | if (start) | |
1e0bbeba SS |
232 | ret = ieee80211_start_tx_ba_session(&sta->sta, tid, |
233 | timeout); | |
a75b4363 | 234 | else |
6a8579d0 | 235 | ret = ieee80211_stop_tx_ba_session(&sta->sta, tid); |
a75b4363 | 236 | } else { |
53f73c09 JB |
237 | __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT, |
238 | 3, true); | |
a75b4363 JB |
239 | ret = 0; |
240 | } | |
241 | ||
242 | return ret ?: count; | |
243 | } | |
244 | STA_OPS_RW(agg_status); | |
eb2ba62e | 245 | |
64491f0e JB |
246 | static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf, |
247 | size_t count, loff_t *ppos) | |
248 | { | |
7db94e21 LR |
249 | #define PRINT_HT_CAP(_cond, _str) \ |
250 | do { \ | |
251 | if (_cond) \ | |
252 | p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \ | |
253 | } while (0) | |
4c82bf8e | 254 | char buf[512], *p = buf; |
64491f0e JB |
255 | int i; |
256 | struct sta_info *sta = file->private_data; | |
257 | struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap; | |
258 | ||
259 | p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n", | |
260 | htc->ht_supported ? "" : "not "); | |
261 | if (htc->ht_supported) { | |
cb136f54 | 262 | p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap); |
7db94e21 | 263 | |
c15cf5fc | 264 | PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC"); |
7db94e21 LR |
265 | PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40"); |
266 | PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20"); | |
267 | ||
268 | PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save"); | |
269 | PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save"); | |
270 | PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled"); | |
271 | ||
272 | PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield"); | |
273 | PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI"); | |
274 | PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI"); | |
275 | PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC"); | |
276 | ||
277 | PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC"); | |
278 | PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream"); | |
279 | PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams"); | |
280 | PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams"); | |
281 | ||
282 | PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack"); | |
283 | ||
7db94e21 | 284 | PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: " |
904603f9 BG |
285 | "3839 bytes"); |
286 | PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: " | |
7db94e21 LR |
287 | "7935 bytes"); |
288 | ||
289 | /* | |
290 | * For beacons and probe response this would mean the BSS | |
291 | * does or does not allow the usage of DSSS/CCK HT40. | |
292 | * Otherwise it means the STA does or does not use | |
293 | * DSSS/CCK HT40. | |
294 | */ | |
295 | PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40"); | |
296 | PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40"); | |
297 | ||
298 | /* BIT(13) is reserved */ | |
299 | ||
300 | PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant"); | |
301 | ||
302 | PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection"); | |
303 | ||
64491f0e JB |
304 | p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n", |
305 | htc->ampdu_factor, htc->ampdu_density); | |
306 | p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:"); | |
9da3e068 | 307 | |
64491f0e JB |
308 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) |
309 | p += scnprintf(p, sizeof(buf)+buf-p, " %.2x", | |
310 | htc->mcs.rx_mask[i]); | |
9da3e068 LR |
311 | p += scnprintf(p, sizeof(buf)+buf-p, "\n"); |
312 | ||
313 | /* If not set this is meaningless */ | |
314 | if (le16_to_cpu(htc->mcs.rx_highest)) { | |
315 | p += scnprintf(p, sizeof(buf)+buf-p, | |
316 | "MCS rx highest: %d Mbps\n", | |
317 | le16_to_cpu(htc->mcs.rx_highest)); | |
318 | } | |
319 | ||
64491f0e JB |
320 | p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n", |
321 | htc->mcs.tx_params); | |
322 | } | |
323 | ||
324 | return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); | |
325 | } | |
326 | STA_OPS(ht_capa); | |
327 | ||
90fcba65 JB |
328 | static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf, |
329 | size_t count, loff_t *ppos) | |
330 | { | |
331 | char buf[128], *p = buf; | |
332 | struct sta_info *sta = file->private_data; | |
333 | struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap; | |
334 | ||
335 | p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n", | |
336 | vhtc->vht_supported ? "" : "not "); | |
337 | if (vhtc->vht_supported) { | |
338 | p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.8x\n", vhtc->cap); | |
339 | ||
340 | p += scnprintf(p, sizeof(buf)+buf-p, "RX MCS: %.4x\n", | |
341 | le16_to_cpu(vhtc->vht_mcs.rx_mcs_map)); | |
342 | if (vhtc->vht_mcs.rx_highest) | |
343 | p += scnprintf(p, sizeof(buf)+buf-p, | |
344 | "MCS RX highest: %d Mbps\n", | |
345 | le16_to_cpu(vhtc->vht_mcs.rx_highest)); | |
346 | p += scnprintf(p, sizeof(buf)+buf-p, "TX MCS: %.4x\n", | |
347 | le16_to_cpu(vhtc->vht_mcs.tx_mcs_map)); | |
348 | if (vhtc->vht_mcs.tx_highest) | |
349 | p += scnprintf(p, sizeof(buf)+buf-p, | |
350 | "MCS TX highest: %d Mbps\n", | |
351 | le16_to_cpu(vhtc->vht_mcs.tx_highest)); | |
352 | } | |
353 | ||
354 | return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); | |
355 | } | |
356 | STA_OPS(vht_capa); | |
357 | ||
1f2e651c | 358 | |
e9f207f0 | 359 | #define DEBUGFS_ADD(name) \ |
7bcfaf2f | 360 | debugfs_create_file(#name, 0400, \ |
fc4a25c5 | 361 | sta->debugfs_dir, sta, &sta_ ##name## _ops); |
e9f207f0 | 362 | |
2826bcd8 FF |
363 | #define DEBUGFS_ADD_COUNTER(name, field) \ |
364 | if (sizeof(sta->field) == sizeof(u32)) \ | |
fc4a25c5 | 365 | debugfs_create_u32(#name, 0400, sta->debugfs_dir, \ |
2826bcd8 FF |
366 | (u32 *) &sta->field); \ |
367 | else \ | |
fc4a25c5 | 368 | debugfs_create_u64(#name, 0400, sta->debugfs_dir, \ |
2826bcd8 | 369 | (u64 *) &sta->field); |
e9f207f0 JB |
370 | |
371 | void ieee80211_sta_debugfs_add(struct sta_info *sta) | |
372 | { | |
77d2ece6 SM |
373 | struct ieee80211_local *local = sta->local; |
374 | struct ieee80211_sub_if_data *sdata = sta->sdata; | |
295bafb4 | 375 | struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations; |
0c68ae26 | 376 | u8 mac[3*ETH_ALEN]; |
e9f207f0 JB |
377 | |
378 | if (!stations_dir) | |
379 | return; | |
380 | ||
0c68ae26 | 381 | snprintf(mac, sizeof(mac), "%pM", sta->sta.addr); |
e9f207f0 | 382 | |
63044e9f JB |
383 | /* |
384 | * This might fail due to a race condition: | |
385 | * When mac80211 unlinks a station, the debugfs entries | |
386 | * remain, but it is already possible to link a new | |
387 | * station with the same address which triggers adding | |
388 | * it to debugfs; therefore, if the old station isn't | |
389 | * destroyed quickly enough the old station's debugfs | |
390 | * dir might still be around. | |
391 | */ | |
fc4a25c5 JB |
392 | sta->debugfs_dir = debugfs_create_dir(mac, stations_dir); |
393 | if (!sta->debugfs_dir) | |
e9f207f0 JB |
394 | return; |
395 | ||
396 | DEBUGFS_ADD(flags); | |
397 | DEBUGFS_ADD(num_ps_buf_frames); | |
e9f207f0 | 398 | DEBUGFS_ADD(last_seq_ctrl); |
eb2ba62e | 399 | DEBUGFS_ADD(agg_status); |
64491f0e | 400 | DEBUGFS_ADD(ht_capa); |
90fcba65 | 401 | DEBUGFS_ADD(vht_capa); |
2826bcd8 | 402 | |
e5a9f8d0 JB |
403 | DEBUGFS_ADD_COUNTER(rx_duplicates, rx_stats.num_duplicates); |
404 | DEBUGFS_ADD_COUNTER(rx_fragments, rx_stats.fragments); | |
405 | DEBUGFS_ADD_COUNTER(tx_filtered, status_stats.filtered); | |
77d2ece6 | 406 | |
7cf1f14e JB |
407 | if (sizeof(sta->driver_buffered_tids) == sizeof(u32)) |
408 | debugfs_create_x32("driver_buffered_tids", 0400, | |
fc4a25c5 | 409 | sta->debugfs_dir, |
7cf1f14e JB |
410 | (u32 *)&sta->driver_buffered_tids); |
411 | else | |
412 | debugfs_create_x64("driver_buffered_tids", 0400, | |
fc4a25c5 | 413 | sta->debugfs_dir, |
7cf1f14e JB |
414 | (u64 *)&sta->driver_buffered_tids); |
415 | ||
fc4a25c5 | 416 | drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs_dir); |
e9f207f0 JB |
417 | } |
418 | ||
419 | void ieee80211_sta_debugfs_remove(struct sta_info *sta) | |
420 | { | |
77d2ece6 SM |
421 | struct ieee80211_local *local = sta->local; |
422 | struct ieee80211_sub_if_data *sdata = sta->sdata; | |
423 | ||
fc4a25c5 JB |
424 | drv_sta_remove_debugfs(local, sdata, &sta->sta, sta->debugfs_dir); |
425 | debugfs_remove_recursive(sta->debugfs_dir); | |
426 | sta->debugfs_dir = NULL; | |
e9f207f0 | 427 | } |