Commit | Line | Data |
---|---|---|
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 |
e9f207f0 JB |
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" | |
77d2ece6 | 18 | #include "driver-ops.h" |
e9f207f0 JB |
19 | |
20 | /* sta attributtes */ | |
21 | ||
07caf9d6 | 22 | #define STA_READ(name, field, format_string) \ |
e9f207f0 JB |
23 | static ssize_t sta_ ##name## _read(struct file *file, \ |
24 | char __user *userbuf, \ | |
25 | size_t count, loff_t *ppos) \ | |
26 | { \ | |
e9f207f0 | 27 | struct sta_info *sta = file->private_data; \ |
07caf9d6 EP |
28 | return mac80211_format_buffer(userbuf, count, ppos, \ |
29 | format_string, sta->field); \ | |
e9f207f0 | 30 | } |
07caf9d6 EP |
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") | |
e9f207f0 | 34 | |
e9f207f0 JB |
35 | #define STA_OPS(name) \ |
36 | static const struct file_operations sta_ ##name## _ops = { \ | |
37 | .read = sta_##name##_read, \ | |
234e3405 | 38 | .open = simple_open, \ |
2b18ab36 | 39 | .llseek = generic_file_llseek, \ |
e9f207f0 JB |
40 | } |
41 | ||
a75b4363 JB |
42 | #define STA_OPS_RW(name) \ |
43 | static const struct file_operations sta_ ##name## _ops = { \ | |
44 | .read = sta_##name##_read, \ | |
45 | .write = sta_##name##_write, \ | |
234e3405 | 46 | .open = simple_open, \ |
2b18ab36 | 47 | .llseek = generic_file_llseek, \ |
a75b4363 JB |
48 | } |
49 | ||
e9f207f0 JB |
50 | #define STA_FILE(name, field, format) \ |
51 | STA_READ_##format(name, field) \ | |
52 | STA_OPS(name) | |
53 | ||
17741cdc | 54 | STA_FILE(aid, sta.aid, D); |
47846c9b | 55 | STA_FILE(dev, sdata->name, S); |
e9f207f0 | 56 | STA_FILE(last_signal, last_signal, D); |
db94357d | 57 | STA_FILE(last_ack_signal, last_ack_signal, D); |
78e443e4 | 58 | STA_FILE(beacon_loss_count, beacon_loss_count, D); |
e9f207f0 JB |
59 | |
60 | static ssize_t sta_flags_read(struct file *file, char __user *userbuf, | |
61 | size_t count, loff_t *ppos) | |
62 | { | |
5bade101 | 63 | char buf[121]; |
e9f207f0 | 64 | struct sta_info *sta = file->private_data; |
c2c98fde | 65 | |
5bade101 JB |
66 | #define TEST(flg) \ |
67 | test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : "" | |
68 | ||
69 | int res = scnprintf(buf, sizeof(buf), | |
a7a6bdd0 | 70 | "%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", |
5bade101 JB |
71 | TEST(AUTH), TEST(ASSOC), TEST(PS_STA), |
72 | TEST(PS_DRIVER), TEST(AUTHORIZED), | |
fb4431bf | 73 | TEST(SHORT_PREAMBLE), |
a74a8c84 JB |
74 | sta->sta.wme ? "WME\n" : "", |
75 | TEST(WDS), TEST(CLEAR_PS_FILT), | |
5bade101 JB |
76 | TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL), |
77 | TEST(UAPSD), TEST(SP), TEST(TDLS_PEER), | |
9041c1fa | 78 | TEST(TDLS_PEER_AUTH), TEST(TDLS_INITIATOR), |
a7a6bdd0 AN |
79 | TEST(TDLS_CHAN_SWITCH), TEST(TDLS_OFF_CHANNEL), |
80 | TEST(4ADDR_EVENT), TEST(INSERTED), | |
81 | TEST(RATE_CONTROL), TEST(TOFFSET_KNOWN), | |
82 | TEST(MPSP_OWNER), TEST(MPSP_RECIPIENT)); | |
5bade101 | 83 | #undef TEST |
e9f207f0 JB |
84 | return simple_read_from_buffer(userbuf, count, ppos, buf, res); |
85 | } | |
86 | STA_OPS(flags); | |
87 | ||
88 | static ssize_t sta_num_ps_buf_frames_read(struct file *file, | |
89 | char __user *userbuf, | |
90 | size_t count, loff_t *ppos) | |
91 | { | |
e9f207f0 | 92 | struct sta_info *sta = file->private_data; |
948d887d JB |
93 | char buf[17*IEEE80211_NUM_ACS], *p = buf; |
94 | int ac; | |
95 | ||
96 | for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) | |
97 | p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac, | |
98 | skb_queue_len(&sta->ps_tx_buf[ac]) + | |
99 | skb_queue_len(&sta->tx_filtered[ac])); | |
100 | return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); | |
e9f207f0 JB |
101 | } |
102 | STA_OPS(num_ps_buf_frames); | |
103 | ||
e9f207f0 JB |
104 | static ssize_t sta_inactive_ms_read(struct file *file, char __user *userbuf, |
105 | size_t count, loff_t *ppos) | |
106 | { | |
e9f207f0 | 107 | struct sta_info *sta = file->private_data; |
07caf9d6 EP |
108 | return mac80211_format_buffer(userbuf, count, ppos, "%d\n", |
109 | jiffies_to_msecs(jiffies - sta->last_rx)); | |
e9f207f0 JB |
110 | } |
111 | STA_OPS(inactive_ms); | |
112 | ||
ebe27c91 MSS |
113 | |
114 | static ssize_t sta_connected_time_read(struct file *file, char __user *userbuf, | |
115 | size_t count, loff_t *ppos) | |
116 | { | |
117 | struct sta_info *sta = file->private_data; | |
118 | struct timespec uptime; | |
119 | struct tm result; | |
120 | long connected_time_secs; | |
121 | char buf[100]; | |
122 | int res; | |
18171520 | 123 | ktime_get_ts(&uptime); |
ebe27c91 MSS |
124 | connected_time_secs = uptime.tv_sec - sta->last_connected; |
125 | time_to_tm(connected_time_secs, 0, &result); | |
126 | result.tm_year -= 70; | |
127 | result.tm_mday -= 1; | |
128 | res = scnprintf(buf, sizeof(buf), | |
7762bb02 | 129 | "years - %ld\nmonths - %d\ndays - %d\nclock - %d:%d:%d\n\n", |
ebe27c91 MSS |
130 | result.tm_year, result.tm_mon, result.tm_mday, |
131 | result.tm_hour, result.tm_min, result.tm_sec); | |
132 | return simple_read_from_buffer(userbuf, count, ppos, buf, res); | |
133 | } | |
134 | STA_OPS(connected_time); | |
135 | ||
136 | ||
137 | ||
e9f207f0 JB |
138 | static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf, |
139 | size_t count, loff_t *ppos) | |
140 | { | |
5a306f58 | 141 | char buf[15*IEEE80211_NUM_TIDS], *p = buf; |
e9f207f0 JB |
142 | int i; |
143 | struct sta_info *sta = file->private_data; | |
5a306f58 | 144 | for (i = 0; i < IEEE80211_NUM_TIDS; i++) |
e9f207f0 | 145 | p += scnprintf(p, sizeof(buf)+buf-p, "%x ", |
ba9b07d0 | 146 | le16_to_cpu(sta->last_seq_ctrl[i])); |
e9f207f0 JB |
147 | p += scnprintf(p, sizeof(buf)+buf-p, "\n"); |
148 | return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); | |
149 | } | |
150 | STA_OPS(last_seq_ctrl); | |
151 | ||
eb2ba62e RR |
152 | static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf, |
153 | size_t count, loff_t *ppos) | |
154 | { | |
5a306f58 | 155 | char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf; |
eb2ba62e RR |
156 | int i; |
157 | struct sta_info *sta = file->private_data; | |
dd318575 JB |
158 | struct tid_ampdu_rx *tid_rx; |
159 | struct tid_ampdu_tx *tid_tx; | |
160 | ||
161 | rcu_read_lock(); | |
eb2ba62e | 162 | |
e0b20f1c | 163 | p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n", |
386aa23d | 164 | sta->ampdu_mlme.dialog_token_allocator + 1); |
e0b20f1c | 165 | p += scnprintf(p, sizeof(buf) + buf - p, |
14b058bb | 166 | "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n"); |
dd318575 | 167 | |
5a306f58 | 168 | for (i = 0; i < IEEE80211_NUM_TIDS; i++) { |
dd318575 JB |
169 | tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]); |
170 | tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]); | |
171 | ||
e0b20f1c | 172 | p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i); |
dd318575 | 173 | p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_rx); |
e0b20f1c | 174 | p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", |
dd318575 | 175 | tid_rx ? tid_rx->dialog_token : 0); |
e0b20f1c | 176 | p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x", |
dd318575 | 177 | tid_rx ? tid_rx->ssn : 0); |
386aa23d | 178 | |
dd318575 | 179 | p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx); |
e0b20f1c | 180 | p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x", |
dd318575 | 181 | tid_tx ? tid_tx->dialog_token : 0); |
e0b20f1c | 182 | p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d", |
dd318575 | 183 | tid_tx ? skb_queue_len(&tid_tx->pending) : 0); |
e0b20f1c | 184 | p += scnprintf(p, sizeof(buf) + buf - p, "\n"); |
386aa23d | 185 | } |
dd318575 | 186 | rcu_read_unlock(); |
eb2ba62e RR |
187 | |
188 | return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); | |
189 | } | |
a75b4363 JB |
190 | |
191 | static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf, | |
192 | size_t count, loff_t *ppos) | |
193 | { | |
c4d2ffac | 194 | char _buf[12] = {}, *buf = _buf; |
a75b4363 JB |
195 | struct sta_info *sta = file->private_data; |
196 | bool start, tx; | |
197 | unsigned long tid; | |
198 | int ret; | |
199 | ||
200 | if (count > sizeof(_buf)) | |
201 | return -EINVAL; | |
202 | ||
203 | if (copy_from_user(buf, userbuf, count)) | |
204 | return -EFAULT; | |
205 | ||
206 | buf[sizeof(_buf) - 1] = '\0'; | |
207 | ||
208 | if (strncmp(buf, "tx ", 3) == 0) { | |
209 | buf += 3; | |
210 | tx = true; | |
211 | } else if (strncmp(buf, "rx ", 3) == 0) { | |
212 | buf += 3; | |
213 | tx = false; | |
214 | } else | |
215 | return -EINVAL; | |
216 | ||
217 | if (strncmp(buf, "start ", 6) == 0) { | |
218 | buf += 6; | |
219 | start = true; | |
220 | if (!tx) | |
221 | return -EINVAL; | |
222 | } else if (strncmp(buf, "stop ", 5) == 0) { | |
223 | buf += 5; | |
224 | start = false; | |
225 | } else | |
226 | return -EINVAL; | |
227 | ||
4b5511eb AP |
228 | ret = kstrtoul(buf, 0, &tid); |
229 | if (ret) | |
230 | return ret; | |
a75b4363 | 231 | |
5a306f58 | 232 | if (tid >= IEEE80211_NUM_TIDS) |
a75b4363 JB |
233 | return -EINVAL; |
234 | ||
235 | if (tx) { | |
236 | if (start) | |
bd2ce6e4 | 237 | ret = ieee80211_start_tx_ba_session(&sta->sta, tid, 5000); |
a75b4363 | 238 | else |
6a8579d0 | 239 | ret = ieee80211_stop_tx_ba_session(&sta->sta, tid); |
a75b4363 | 240 | } else { |
53f73c09 JB |
241 | __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT, |
242 | 3, true); | |
a75b4363 JB |
243 | ret = 0; |
244 | } | |
245 | ||
246 | return ret ?: count; | |
247 | } | |
248 | STA_OPS_RW(agg_status); | |
eb2ba62e | 249 | |
64491f0e JB |
250 | static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf, |
251 | size_t count, loff_t *ppos) | |
252 | { | |
7db94e21 LR |
253 | #define PRINT_HT_CAP(_cond, _str) \ |
254 | do { \ | |
255 | if (_cond) \ | |
256 | p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \ | |
257 | } while (0) | |
4c82bf8e | 258 | char buf[512], *p = buf; |
64491f0e JB |
259 | int i; |
260 | struct sta_info *sta = file->private_data; | |
261 | struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap; | |
262 | ||
263 | p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n", | |
264 | htc->ht_supported ? "" : "not "); | |
265 | if (htc->ht_supported) { | |
cb136f54 | 266 | p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap); |
7db94e21 | 267 | |
c15cf5fc | 268 | PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC"); |
7db94e21 LR |
269 | PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40"); |
270 | PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20"); | |
271 | ||
272 | PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save"); | |
273 | PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save"); | |
274 | PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled"); | |
275 | ||
276 | PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield"); | |
277 | PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI"); | |
278 | PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI"); | |
279 | PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC"); | |
280 | ||
281 | PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC"); | |
282 | PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream"); | |
283 | PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams"); | |
284 | PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams"); | |
285 | ||
286 | PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack"); | |
287 | ||
7db94e21 | 288 | PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: " |
904603f9 BG |
289 | "3839 bytes"); |
290 | PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: " | |
7db94e21 LR |
291 | "7935 bytes"); |
292 | ||
293 | /* | |
294 | * For beacons and probe response this would mean the BSS | |
295 | * does or does not allow the usage of DSSS/CCK HT40. | |
296 | * Otherwise it means the STA does or does not use | |
297 | * DSSS/CCK HT40. | |
298 | */ | |
299 | PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40"); | |
300 | PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40"); | |
301 | ||
302 | /* BIT(13) is reserved */ | |
303 | ||
304 | PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant"); | |
305 | ||
306 | PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection"); | |
307 | ||
64491f0e JB |
308 | p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n", |
309 | htc->ampdu_factor, htc->ampdu_density); | |
310 | p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:"); | |
9da3e068 | 311 | |
64491f0e JB |
312 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) |
313 | p += scnprintf(p, sizeof(buf)+buf-p, " %.2x", | |
314 | htc->mcs.rx_mask[i]); | |
9da3e068 LR |
315 | p += scnprintf(p, sizeof(buf)+buf-p, "\n"); |
316 | ||
317 | /* If not set this is meaningless */ | |
318 | if (le16_to_cpu(htc->mcs.rx_highest)) { | |
319 | p += scnprintf(p, sizeof(buf)+buf-p, | |
320 | "MCS rx highest: %d Mbps\n", | |
321 | le16_to_cpu(htc->mcs.rx_highest)); | |
322 | } | |
323 | ||
64491f0e JB |
324 | p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n", |
325 | htc->mcs.tx_params); | |
326 | } | |
327 | ||
328 | return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); | |
329 | } | |
330 | STA_OPS(ht_capa); | |
331 | ||
90fcba65 JB |
332 | static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf, |
333 | size_t count, loff_t *ppos) | |
334 | { | |
335 | char buf[128], *p = buf; | |
336 | struct sta_info *sta = file->private_data; | |
337 | struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap; | |
338 | ||
339 | p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n", | |
340 | vhtc->vht_supported ? "" : "not "); | |
341 | if (vhtc->vht_supported) { | |
342 | p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.8x\n", vhtc->cap); | |
343 | ||
344 | p += scnprintf(p, sizeof(buf)+buf-p, "RX MCS: %.4x\n", | |
345 | le16_to_cpu(vhtc->vht_mcs.rx_mcs_map)); | |
346 | if (vhtc->vht_mcs.rx_highest) | |
347 | p += scnprintf(p, sizeof(buf)+buf-p, | |
348 | "MCS RX highest: %d Mbps\n", | |
349 | le16_to_cpu(vhtc->vht_mcs.rx_highest)); | |
350 | p += scnprintf(p, sizeof(buf)+buf-p, "TX MCS: %.4x\n", | |
351 | le16_to_cpu(vhtc->vht_mcs.tx_mcs_map)); | |
352 | if (vhtc->vht_mcs.tx_highest) | |
353 | p += scnprintf(p, sizeof(buf)+buf-p, | |
354 | "MCS TX highest: %d Mbps\n", | |
355 | le16_to_cpu(vhtc->vht_mcs.tx_highest)); | |
356 | } | |
357 | ||
358 | return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); | |
359 | } | |
360 | STA_OPS(vht_capa); | |
361 | ||
91b8c050 S |
362 | static ssize_t sta_current_tx_rate_read(struct file *file, char __user *userbuf, |
363 | size_t count, loff_t *ppos) | |
364 | { | |
365 | struct sta_info *sta = file->private_data; | |
366 | struct rate_info rinfo; | |
367 | u16 rate; | |
368 | sta_set_rate_info_tx(sta, &sta->last_tx_rate, &rinfo); | |
369 | rate = cfg80211_calculate_bitrate(&rinfo); | |
370 | ||
371 | return mac80211_format_buffer(userbuf, count, ppos, | |
372 | "%d.%d MBit/s\n", | |
373 | rate/10, rate%10); | |
374 | } | |
375 | STA_OPS(current_tx_rate); | |
376 | ||
1f2e651c S |
377 | static ssize_t sta_last_rx_rate_read(struct file *file, char __user *userbuf, |
378 | size_t count, loff_t *ppos) | |
379 | { | |
380 | struct sta_info *sta = file->private_data; | |
381 | struct rate_info rinfo; | |
382 | u16 rate; | |
383 | ||
384 | sta_set_rate_info_rx(sta, &rinfo); | |
385 | ||
386 | rate = cfg80211_calculate_bitrate(&rinfo); | |
387 | ||
388 | return mac80211_format_buffer(userbuf, count, ppos, | |
389 | "%d.%d MBit/s\n", | |
390 | rate/10, rate%10); | |
391 | } | |
392 | STA_OPS(last_rx_rate); | |
393 | ||
e9f207f0 | 394 | #define DEBUGFS_ADD(name) \ |
7bcfaf2f | 395 | debugfs_create_file(#name, 0400, \ |
e9f207f0 JB |
396 | sta->debugfs.dir, sta, &sta_ ##name## _ops); |
397 | ||
2826bcd8 FF |
398 | #define DEBUGFS_ADD_COUNTER(name, field) \ |
399 | if (sizeof(sta->field) == sizeof(u32)) \ | |
400 | debugfs_create_u32(#name, 0400, sta->debugfs.dir, \ | |
401 | (u32 *) &sta->field); \ | |
402 | else \ | |
403 | debugfs_create_u64(#name, 0400, sta->debugfs.dir, \ | |
404 | (u64 *) &sta->field); | |
e9f207f0 JB |
405 | |
406 | void ieee80211_sta_debugfs_add(struct sta_info *sta) | |
407 | { | |
77d2ece6 SM |
408 | struct ieee80211_local *local = sta->local; |
409 | struct ieee80211_sub_if_data *sdata = sta->sdata; | |
295bafb4 | 410 | struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations; |
0c68ae26 | 411 | u8 mac[3*ETH_ALEN]; |
e9f207f0 | 412 | |
63044e9f JB |
413 | sta->debugfs.add_has_run = true; |
414 | ||
e9f207f0 JB |
415 | if (!stations_dir) |
416 | return; | |
417 | ||
0c68ae26 | 418 | snprintf(mac, sizeof(mac), "%pM", sta->sta.addr); |
e9f207f0 | 419 | |
63044e9f JB |
420 | /* |
421 | * This might fail due to a race condition: | |
422 | * When mac80211 unlinks a station, the debugfs entries | |
423 | * remain, but it is already possible to link a new | |
424 | * station with the same address which triggers adding | |
425 | * it to debugfs; therefore, if the old station isn't | |
426 | * destroyed quickly enough the old station's debugfs | |
427 | * dir might still be around. | |
428 | */ | |
0795af57 | 429 | sta->debugfs.dir = debugfs_create_dir(mac, stations_dir); |
e9f207f0 JB |
430 | if (!sta->debugfs.dir) |
431 | return; | |
432 | ||
433 | DEBUGFS_ADD(flags); | |
434 | DEBUGFS_ADD(num_ps_buf_frames); | |
e9f207f0 | 435 | DEBUGFS_ADD(inactive_ms); |
ebe27c91 | 436 | DEBUGFS_ADD(connected_time); |
e9f207f0 | 437 | DEBUGFS_ADD(last_seq_ctrl); |
eb2ba62e | 438 | DEBUGFS_ADD(agg_status); |
386aa23d | 439 | DEBUGFS_ADD(dev); |
386aa23d | 440 | DEBUGFS_ADD(last_signal); |
78e443e4 | 441 | DEBUGFS_ADD(beacon_loss_count); |
64491f0e | 442 | DEBUGFS_ADD(ht_capa); |
90fcba65 | 443 | DEBUGFS_ADD(vht_capa); |
db94357d | 444 | DEBUGFS_ADD(last_ack_signal); |
91b8c050 | 445 | DEBUGFS_ADD(current_tx_rate); |
1f2e651c | 446 | DEBUGFS_ADD(last_rx_rate); |
2826bcd8 FF |
447 | |
448 | DEBUGFS_ADD_COUNTER(rx_packets, rx_packets); | |
449 | DEBUGFS_ADD_COUNTER(tx_packets, tx_packets); | |
450 | DEBUGFS_ADD_COUNTER(rx_bytes, rx_bytes); | |
451 | DEBUGFS_ADD_COUNTER(tx_bytes, tx_bytes); | |
452 | DEBUGFS_ADD_COUNTER(rx_duplicates, num_duplicates); | |
453 | DEBUGFS_ADD_COUNTER(rx_fragments, rx_fragments); | |
454 | DEBUGFS_ADD_COUNTER(rx_dropped, rx_dropped); | |
455 | DEBUGFS_ADD_COUNTER(tx_fragments, tx_fragments); | |
456 | DEBUGFS_ADD_COUNTER(tx_filtered, tx_filtered_count); | |
457 | DEBUGFS_ADD_COUNTER(tx_retry_failed, tx_retry_failed); | |
458 | DEBUGFS_ADD_COUNTER(tx_retry_count, tx_retry_count); | |
77d2ece6 | 459 | |
7cf1f14e JB |
460 | if (sizeof(sta->driver_buffered_tids) == sizeof(u32)) |
461 | debugfs_create_x32("driver_buffered_tids", 0400, | |
462 | sta->debugfs.dir, | |
463 | (u32 *)&sta->driver_buffered_tids); | |
464 | else | |
465 | debugfs_create_x64("driver_buffered_tids", 0400, | |
466 | sta->debugfs.dir, | |
467 | (u64 *)&sta->driver_buffered_tids); | |
468 | ||
77d2ece6 | 469 | drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs.dir); |
e9f207f0 JB |
470 | } |
471 | ||
472 | void ieee80211_sta_debugfs_remove(struct sta_info *sta) | |
473 | { | |
77d2ece6 SM |
474 | struct ieee80211_local *local = sta->local; |
475 | struct ieee80211_sub_if_data *sdata = sta->sdata; | |
476 | ||
477 | drv_sta_remove_debugfs(local, sdata, &sta->sta, sta->debugfs.dir); | |
7bcfaf2f | 478 | debugfs_remove_recursive(sta->debugfs.dir); |
e9f207f0 JB |
479 | sta->debugfs.dir = NULL; |
480 | } |