This source file includes following definitions.
- sta_flags_read
- sta_num_ps_buf_frames_read
- sta_last_seq_ctrl_read
- sta_aqm_read
- sta_airtime_read
- sta_airtime_write
- sta_agg_status_read
- sta_agg_status_write
- sta_ht_capa_read
- sta_vht_capa_read
- sta_he_capa_read
- ieee80211_sta_debugfs_add
- ieee80211_sta_debugfs_remove
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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
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
32 #define STA_OPS(name) \
33 static const struct file_operations sta_ ##name## _ops = { \
34 .read = sta_##name##_read, \
35 .open = simple_open, \
36 .llseek = generic_file_llseek, \
37 }
38
39 #define STA_OPS_RW(name) \
40 static const struct file_operations sta_ ##name## _ops = { \
41 .read = sta_##name##_read, \
42 .write = sta_##name##_write, \
43 .open = simple_open, \
44 .llseek = generic_file_llseek, \
45 }
46
47 #define STA_FILE(name, field, format) \
48 STA_READ_##format(name, field) \
49 STA_OPS(name)
50
51 STA_FILE(aid, sta.aid, D);
52
53 static const char * const sta_flag_names[] = {
54 #define FLAG(F) [WLAN_STA_##F] = #F
55 FLAG(AUTH),
56 FLAG(ASSOC),
57 FLAG(PS_STA),
58 FLAG(AUTHORIZED),
59 FLAG(SHORT_PREAMBLE),
60 FLAG(WDS),
61 FLAG(CLEAR_PS_FILT),
62 FLAG(MFP),
63 FLAG(BLOCK_BA),
64 FLAG(PS_DRIVER),
65 FLAG(PSPOLL),
66 FLAG(TDLS_PEER),
67 FLAG(TDLS_PEER_AUTH),
68 FLAG(TDLS_INITIATOR),
69 FLAG(TDLS_CHAN_SWITCH),
70 FLAG(TDLS_OFF_CHANNEL),
71 FLAG(TDLS_WIDER_BW),
72 FLAG(UAPSD),
73 FLAG(SP),
74 FLAG(4ADDR_EVENT),
75 FLAG(INSERTED),
76 FLAG(RATE_CONTROL),
77 FLAG(TOFFSET_KNOWN),
78 FLAG(MPSP_OWNER),
79 FLAG(MPSP_RECIPIENT),
80 FLAG(PS_DELIVER),
81 FLAG(USES_ENCRYPTION),
82 #undef FLAG
83 };
84
85 static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
86 size_t count, loff_t *ppos)
87 {
88 char buf[16 * NUM_WLAN_STA_FLAGS], *pos = buf;
89 char *end = buf + sizeof(buf) - 1;
90 struct sta_info *sta = file->private_data;
91 unsigned int flg;
92
93 BUILD_BUG_ON(ARRAY_SIZE(sta_flag_names) != NUM_WLAN_STA_FLAGS);
94
95 for (flg = 0; flg < NUM_WLAN_STA_FLAGS; flg++) {
96 if (test_sta_flag(sta, flg))
97 pos += scnprintf(pos, end - pos, "%s\n",
98 sta_flag_names[flg]);
99 }
100
101 return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
102 }
103 STA_OPS(flags);
104
105 static ssize_t sta_num_ps_buf_frames_read(struct file *file,
106 char __user *userbuf,
107 size_t count, loff_t *ppos)
108 {
109 struct sta_info *sta = file->private_data;
110 char buf[17*IEEE80211_NUM_ACS], *p = buf;
111 int ac;
112
113 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
114 p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac,
115 skb_queue_len(&sta->ps_tx_buf[ac]) +
116 skb_queue_len(&sta->tx_filtered[ac]));
117 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
118 }
119 STA_OPS(num_ps_buf_frames);
120
121 static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
122 size_t count, loff_t *ppos)
123 {
124 char buf[15*IEEE80211_NUM_TIDS], *p = buf;
125 int i;
126 struct sta_info *sta = file->private_data;
127 for (i = 0; i < IEEE80211_NUM_TIDS; i++)
128 p += scnprintf(p, sizeof(buf)+buf-p, "%x ",
129 le16_to_cpu(sta->last_seq_ctrl[i]));
130 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
131 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
132 }
133 STA_OPS(last_seq_ctrl);
134
135 #define AQM_TXQ_ENTRY_LEN 130
136
137 static ssize_t sta_aqm_read(struct file *file, char __user *userbuf,
138 size_t count, loff_t *ppos)
139 {
140 struct sta_info *sta = file->private_data;
141 struct ieee80211_local *local = sta->local;
142 size_t bufsz = AQM_TXQ_ENTRY_LEN * (IEEE80211_NUM_TIDS + 2);
143 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
144 struct txq_info *txqi;
145 ssize_t rv;
146 int i;
147
148 if (!buf)
149 return -ENOMEM;
150
151 spin_lock_bh(&local->fq.lock);
152 rcu_read_lock();
153
154 p += scnprintf(p,
155 bufsz+buf-p,
156 "target %uus interval %uus ecn %s\n",
157 codel_time_to_us(sta->cparams.target),
158 codel_time_to_us(sta->cparams.interval),
159 sta->cparams.ecn ? "yes" : "no");
160 p += scnprintf(p,
161 bufsz+buf-p,
162 "tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets flags\n");
163
164 for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
165 if (!sta->sta.txq[i])
166 continue;
167 txqi = to_txq_info(sta->sta.txq[i]);
168 p += scnprintf(p, bufsz+buf-p,
169 "%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s)\n",
170 txqi->txq.tid,
171 txqi->txq.ac,
172 txqi->tin.backlog_bytes,
173 txqi->tin.backlog_packets,
174 txqi->tin.flows,
175 txqi->cstats.drop_count,
176 txqi->cstats.ecn_mark,
177 txqi->tin.overlimit,
178 txqi->tin.collisions,
179 txqi->tin.tx_bytes,
180 txqi->tin.tx_packets,
181 txqi->flags,
182 test_bit(IEEE80211_TXQ_STOP, &txqi->flags) ? "STOP" : "RUN",
183 test_bit(IEEE80211_TXQ_AMPDU, &txqi->flags) ? " AMPDU" : "",
184 test_bit(IEEE80211_TXQ_NO_AMSDU, &txqi->flags) ? " NO-AMSDU" : "");
185 }
186
187 rcu_read_unlock();
188 spin_unlock_bh(&local->fq.lock);
189
190 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
191 kfree(buf);
192 return rv;
193 }
194 STA_OPS(aqm);
195
196 static ssize_t sta_airtime_read(struct file *file, char __user *userbuf,
197 size_t count, loff_t *ppos)
198 {
199 struct sta_info *sta = file->private_data;
200 struct ieee80211_local *local = sta->sdata->local;
201 size_t bufsz = 200;
202 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
203 u64 rx_airtime = 0, tx_airtime = 0;
204 s64 deficit[IEEE80211_NUM_ACS];
205 ssize_t rv;
206 int ac;
207
208 if (!buf)
209 return -ENOMEM;
210
211 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
212 spin_lock_bh(&local->active_txq_lock[ac]);
213 rx_airtime += sta->airtime[ac].rx_airtime;
214 tx_airtime += sta->airtime[ac].tx_airtime;
215 deficit[ac] = sta->airtime[ac].deficit;
216 spin_unlock_bh(&local->active_txq_lock[ac]);
217 }
218
219 p += scnprintf(p, bufsz + buf - p,
220 "RX: %llu us\nTX: %llu us\nWeight: %u\n"
221 "Deficit: VO: %lld us VI: %lld us BE: %lld us BK: %lld us\n",
222 rx_airtime,
223 tx_airtime,
224 sta->airtime_weight,
225 deficit[0],
226 deficit[1],
227 deficit[2],
228 deficit[3]);
229
230 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
231 kfree(buf);
232 return rv;
233 }
234
235 static ssize_t sta_airtime_write(struct file *file, const char __user *userbuf,
236 size_t count, loff_t *ppos)
237 {
238 struct sta_info *sta = file->private_data;
239 struct ieee80211_local *local = sta->sdata->local;
240 int ac;
241
242 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
243 spin_lock_bh(&local->active_txq_lock[ac]);
244 sta->airtime[ac].rx_airtime = 0;
245 sta->airtime[ac].tx_airtime = 0;
246 sta->airtime[ac].deficit = sta->airtime_weight;
247 spin_unlock_bh(&local->active_txq_lock[ac]);
248 }
249
250 return count;
251 }
252 STA_OPS_RW(airtime);
253
254 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
255 size_t count, loff_t *ppos)
256 {
257 char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf;
258 int i;
259 struct sta_info *sta = file->private_data;
260 struct tid_ampdu_rx *tid_rx;
261 struct tid_ampdu_tx *tid_tx;
262
263 rcu_read_lock();
264
265 p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n",
266 sta->ampdu_mlme.dialog_token_allocator + 1);
267 p += scnprintf(p, sizeof(buf) + buf - p,
268 "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n");
269
270 for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
271 bool tid_rx_valid;
272
273 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]);
274 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]);
275 tid_rx_valid = test_bit(i, sta->ampdu_mlme.agg_session_valid);
276
277 p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i);
278 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x",
279 tid_rx_valid);
280 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
281 tid_rx_valid ?
282 sta->ampdu_mlme.tid_rx_token[i] : 0);
283 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x",
284 tid_rx ? tid_rx->ssn : 0);
285
286 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx);
287 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
288 tid_tx ? tid_tx->dialog_token : 0);
289 p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d",
290 tid_tx ? skb_queue_len(&tid_tx->pending) : 0);
291 p += scnprintf(p, sizeof(buf) + buf - p, "\n");
292 }
293 rcu_read_unlock();
294
295 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
296 }
297
298 static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf,
299 size_t count, loff_t *ppos)
300 {
301 char _buf[25] = {}, *buf = _buf;
302 struct sta_info *sta = file->private_data;
303 bool start, tx;
304 unsigned long tid;
305 char *pos;
306 int ret, timeout = 5000;
307
308 if (count > sizeof(_buf))
309 return -EINVAL;
310
311 if (copy_from_user(buf, userbuf, count))
312 return -EFAULT;
313
314 buf[sizeof(_buf) - 1] = '\0';
315 pos = buf;
316 buf = strsep(&pos, " ");
317 if (!buf)
318 return -EINVAL;
319
320 if (!strcmp(buf, "tx"))
321 tx = true;
322 else if (!strcmp(buf, "rx"))
323 tx = false;
324 else
325 return -EINVAL;
326
327 buf = strsep(&pos, " ");
328 if (!buf)
329 return -EINVAL;
330 if (!strcmp(buf, "start")) {
331 start = true;
332 if (!tx)
333 return -EINVAL;
334 } else if (!strcmp(buf, "stop")) {
335 start = false;
336 } else {
337 return -EINVAL;
338 }
339
340 buf = strsep(&pos, " ");
341 if (!buf)
342 return -EINVAL;
343 if (sscanf(buf, "timeout=%d", &timeout) == 1) {
344 buf = strsep(&pos, " ");
345 if (!buf || !tx || !start)
346 return -EINVAL;
347 }
348
349 ret = kstrtoul(buf, 0, &tid);
350 if (ret || tid >= IEEE80211_NUM_TIDS)
351 return -EINVAL;
352
353 if (tx) {
354 if (start)
355 ret = ieee80211_start_tx_ba_session(&sta->sta, tid,
356 timeout);
357 else
358 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid);
359 } else {
360 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
361 3, true);
362 ret = 0;
363 }
364
365 return ret ?: count;
366 }
367 STA_OPS_RW(agg_status);
368
369 static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
370 size_t count, loff_t *ppos)
371 {
372 #define PRINT_HT_CAP(_cond, _str) \
373 do { \
374 if (_cond) \
375 p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \
376 } while (0)
377 char buf[512], *p = buf;
378 int i;
379 struct sta_info *sta = file->private_data;
380 struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap;
381
382 p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n",
383 htc->ht_supported ? "" : "not ");
384 if (htc->ht_supported) {
385 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap);
386
387 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC");
388 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40");
389 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20");
390
391 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save");
392 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save");
393 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled");
394
395 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield");
396 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI");
397 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI");
398 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC");
399
400 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC");
401 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream");
402 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams");
403 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams");
404
405 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack");
406
407 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: "
408 "3839 bytes");
409 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: "
410 "7935 bytes");
411
412
413
414
415
416
417
418 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40");
419 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40");
420
421
422
423 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant");
424
425 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection");
426
427 p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n",
428 htc->ampdu_factor, htc->ampdu_density);
429 p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:");
430
431 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
432 p += scnprintf(p, sizeof(buf)+buf-p, " %.2x",
433 htc->mcs.rx_mask[i]);
434 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
435
436
437 if (le16_to_cpu(htc->mcs.rx_highest)) {
438 p += scnprintf(p, sizeof(buf)+buf-p,
439 "MCS rx highest: %d Mbps\n",
440 le16_to_cpu(htc->mcs.rx_highest));
441 }
442
443 p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n",
444 htc->mcs.tx_params);
445 }
446
447 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
448 }
449 STA_OPS(ht_capa);
450
451 static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf,
452 size_t count, loff_t *ppos)
453 {
454 char buf[512], *p = buf;
455 struct sta_info *sta = file->private_data;
456 struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap;
457
458 p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n",
459 vhtc->vht_supported ? "" : "not ");
460 if (vhtc->vht_supported) {
461 p += scnprintf(p, sizeof(buf) + buf - p, "cap: %#.8x\n",
462 vhtc->cap);
463 #define PFLAG(a, b) \
464 do { \
465 if (vhtc->cap & IEEE80211_VHT_CAP_ ## a) \
466 p += scnprintf(p, sizeof(buf) + buf - p, \
467 "\t\t%s\n", b); \
468 } while (0)
469
470 switch (vhtc->cap & 0x3) {
471 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
472 p += scnprintf(p, sizeof(buf) + buf - p,
473 "\t\tMAX-MPDU-3895\n");
474 break;
475 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
476 p += scnprintf(p, sizeof(buf) + buf - p,
477 "\t\tMAX-MPDU-7991\n");
478 break;
479 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
480 p += scnprintf(p, sizeof(buf) + buf - p,
481 "\t\tMAX-MPDU-11454\n");
482 break;
483 default:
484 p += scnprintf(p, sizeof(buf) + buf - p,
485 "\t\tMAX-MPDU-UNKNOWN\n");
486 }
487 switch (vhtc->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
488 case 0:
489 p += scnprintf(p, sizeof(buf) + buf - p,
490 "\t\t80Mhz\n");
491 break;
492 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
493 p += scnprintf(p, sizeof(buf) + buf - p,
494 "\t\t160Mhz\n");
495 break;
496 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
497 p += scnprintf(p, sizeof(buf) + buf - p,
498 "\t\t80+80Mhz\n");
499 break;
500 default:
501 p += scnprintf(p, sizeof(buf) + buf - p,
502 "\t\tUNKNOWN-MHZ: 0x%x\n",
503 (vhtc->cap >> 2) & 0x3);
504 }
505 PFLAG(RXLDPC, "RXLDPC");
506 PFLAG(SHORT_GI_80, "SHORT-GI-80");
507 PFLAG(SHORT_GI_160, "SHORT-GI-160");
508 PFLAG(TXSTBC, "TXSTBC");
509 p += scnprintf(p, sizeof(buf) + buf - p,
510 "\t\tRXSTBC_%d\n", (vhtc->cap >> 8) & 0x7);
511 PFLAG(SU_BEAMFORMER_CAPABLE, "SU-BEAMFORMER-CAPABLE");
512 PFLAG(SU_BEAMFORMEE_CAPABLE, "SU-BEAMFORMEE-CAPABLE");
513 p += scnprintf(p, sizeof(buf) + buf - p,
514 "\t\tBEAMFORMEE-STS: 0x%x\n",
515 (vhtc->cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK) >>
516 IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
517 p += scnprintf(p, sizeof(buf) + buf - p,
518 "\t\tSOUNDING-DIMENSIONS: 0x%x\n",
519 (vhtc->cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK)
520 >> IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT);
521 PFLAG(MU_BEAMFORMER_CAPABLE, "MU-BEAMFORMER-CAPABLE");
522 PFLAG(MU_BEAMFORMEE_CAPABLE, "MU-BEAMFORMEE-CAPABLE");
523 PFLAG(VHT_TXOP_PS, "TXOP-PS");
524 PFLAG(HTC_VHT, "HTC-VHT");
525 p += scnprintf(p, sizeof(buf) + buf - p,
526 "\t\tMPDU-LENGTH-EXPONENT: 0x%x\n",
527 (vhtc->cap & IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
528 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT);
529 PFLAG(VHT_LINK_ADAPTATION_VHT_UNSOL_MFB,
530 "LINK-ADAPTATION-VHT-UNSOL-MFB");
531 p += scnprintf(p, sizeof(buf) + buf - p,
532 "\t\tLINK-ADAPTATION-VHT-MRQ-MFB: 0x%x\n",
533 (vhtc->cap & IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB) >> 26);
534 PFLAG(RX_ANTENNA_PATTERN, "RX-ANTENNA-PATTERN");
535 PFLAG(TX_ANTENNA_PATTERN, "TX-ANTENNA-PATTERN");
536
537 p += scnprintf(p, sizeof(buf)+buf-p, "RX MCS: %.4x\n",
538 le16_to_cpu(vhtc->vht_mcs.rx_mcs_map));
539 if (vhtc->vht_mcs.rx_highest)
540 p += scnprintf(p, sizeof(buf)+buf-p,
541 "MCS RX highest: %d Mbps\n",
542 le16_to_cpu(vhtc->vht_mcs.rx_highest));
543 p += scnprintf(p, sizeof(buf)+buf-p, "TX MCS: %.4x\n",
544 le16_to_cpu(vhtc->vht_mcs.tx_mcs_map));
545 if (vhtc->vht_mcs.tx_highest)
546 p += scnprintf(p, sizeof(buf)+buf-p,
547 "MCS TX highest: %d Mbps\n",
548 le16_to_cpu(vhtc->vht_mcs.tx_highest));
549 #undef PFLAG
550 }
551
552 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
553 }
554 STA_OPS(vht_capa);
555
556 static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf,
557 size_t count, loff_t *ppos)
558 {
559 char *buf, *p;
560 size_t buf_sz = PAGE_SIZE;
561 struct sta_info *sta = file->private_data;
562 struct ieee80211_sta_he_cap *hec = &sta->sta.he_cap;
563 struct ieee80211_he_mcs_nss_supp *nss = &hec->he_mcs_nss_supp;
564 u8 ppe_size;
565 u8 *cap;
566 int i;
567 ssize_t ret;
568
569 buf = kmalloc(buf_sz, GFP_KERNEL);
570 if (!buf)
571 return -ENOMEM;
572 p = buf;
573
574 p += scnprintf(p, buf_sz + buf - p, "HE %ssupported\n",
575 hec->has_he ? "" : "not ");
576 if (!hec->has_he)
577 goto out;
578
579 cap = hec->he_cap_elem.mac_cap_info;
580 p += scnprintf(p, buf_sz + buf - p,
581 "MAC-CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
582 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5]);
583
584 #define PRINT(fmt, ...) \
585 p += scnprintf(p, buf_sz + buf - p, "\t\t" fmt "\n", \
586 ##__VA_ARGS__)
587
588 #define PFLAG(t, n, a, b) \
589 do { \
590 if (cap[n] & IEEE80211_HE_##t##_CAP##n##_##a) \
591 PRINT("%s", b); \
592 } while (0)
593
594 #define PFLAG_RANGE(t, i, n, s, m, off, fmt) \
595 do { \
596 u8 msk = IEEE80211_HE_##t##_CAP##i##_##n##_MASK; \
597 u8 idx = ((cap[i] & msk) >> (ffs(msk) - 1)) + off; \
598 PRINT(fmt, (s << idx) + (m * idx)); \
599 } while (0)
600
601 #define PFLAG_RANGE_DEFAULT(t, i, n, s, m, off, fmt, a, b) \
602 do { \
603 if (cap[i] == IEEE80211_HE_##t ##_CAP##i##_##n##_##a) { \
604 PRINT("%s", b); \
605 break; \
606 } \
607 PFLAG_RANGE(t, i, n, s, m, off, fmt); \
608 } while (0)
609
610 PFLAG(MAC, 0, HTC_HE, "HTC-HE");
611 PFLAG(MAC, 0, TWT_REQ, "TWT-REQ");
612 PFLAG(MAC, 0, TWT_RES, "TWT-RES");
613 PFLAG_RANGE_DEFAULT(MAC, 0, DYNAMIC_FRAG, 0, 1, 0,
614 "DYNAMIC-FRAG-LEVEL-%d", NOT_SUPP, "NOT-SUPP");
615 PFLAG_RANGE_DEFAULT(MAC, 0, MAX_NUM_FRAG_MSDU, 1, 0, 0,
616 "MAX-NUM-FRAG-MSDU-%d", UNLIMITED, "UNLIMITED");
617
618 PFLAG_RANGE_DEFAULT(MAC, 1, MIN_FRAG_SIZE, 128, 0, -1,
619 "MIN-FRAG-SIZE-%d", UNLIMITED, "UNLIMITED");
620 PFLAG_RANGE_DEFAULT(MAC, 1, TF_MAC_PAD_DUR, 0, 8, 0,
621 "TF-MAC-PAD-DUR-%dUS", MASK, "UNKNOWN");
622 PFLAG_RANGE(MAC, 1, MULTI_TID_AGG_RX_QOS, 0, 1, 1,
623 "MULTI-TID-AGG-RX-QOS-%d");
624
625 if (cap[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) {
626 switch (((cap[2] << 1) | (cap[1] >> 7)) & 0x3) {
627 case 0:
628 PRINT("LINK-ADAPTATION-NO-FEEDBACK");
629 break;
630 case 1:
631 PRINT("LINK-ADAPTATION-RESERVED");
632 break;
633 case 2:
634 PRINT("LINK-ADAPTATION-UNSOLICITED-FEEDBACK");
635 break;
636 case 3:
637 PRINT("LINK-ADAPTATION-BOTH");
638 break;
639 }
640 }
641
642 PFLAG(MAC, 2, ALL_ACK, "ALL-ACK");
643 PFLAG(MAC, 2, TRS, "TRS");
644 PFLAG(MAC, 2, BSR, "BSR");
645 PFLAG(MAC, 2, BCAST_TWT, "BCAST-TWT");
646 PFLAG(MAC, 2, 32BIT_BA_BITMAP, "32BIT-BA-BITMAP");
647 PFLAG(MAC, 2, MU_CASCADING, "MU-CASCADING");
648 PFLAG(MAC, 2, ACK_EN, "ACK-EN");
649
650 PFLAG(MAC, 3, OMI_CONTROL, "OMI-CONTROL");
651 PFLAG(MAC, 3, OFDMA_RA, "OFDMA-RA");
652
653 switch (cap[3] & IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK) {
654 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT:
655 PRINT("MAX-AMPDU-LEN-EXP-USE-VHT");
656 break;
657 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1:
658 PRINT("MAX-AMPDU-LEN-EXP-VHT-1");
659 break;
660 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2:
661 PRINT("MAX-AMPDU-LEN-EXP-VHT-2");
662 break;
663 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED:
664 PRINT("MAX-AMPDU-LEN-EXP-RESERVED");
665 break;
666 }
667
668 PFLAG(MAC, 3, AMSDU_FRAG, "AMSDU-FRAG");
669 PFLAG(MAC, 3, FLEX_TWT_SCHED, "FLEX-TWT-SCHED");
670 PFLAG(MAC, 3, RX_CTRL_FRAME_TO_MULTIBSS, "RX-CTRL-FRAME-TO-MULTIBSS");
671
672 PFLAG(MAC, 4, BSRP_BQRP_A_MPDU_AGG, "BSRP-BQRP-A-MPDU-AGG");
673 PFLAG(MAC, 4, QTP, "QTP");
674 PFLAG(MAC, 4, BQR, "BQR");
675 PFLAG(MAC, 4, SRP_RESP, "SRP-RESP");
676 PFLAG(MAC, 4, NDP_FB_REP, "NDP-FB-REP");
677 PFLAG(MAC, 4, OPS, "OPS");
678 PFLAG(MAC, 4, AMDSU_IN_AMPDU, "AMSDU-IN-AMPDU");
679
680 PRINT("MULTI-TID-AGG-TX-QOS-%d", ((cap[5] << 1) | (cap[4] >> 7)) & 0x7);
681
682 PFLAG(MAC, 5, SUBCHAN_SELECVITE_TRANSMISSION,
683 "SUBCHAN-SELECVITE-TRANSMISSION");
684 PFLAG(MAC, 5, UL_2x996_TONE_RU, "UL-2x996-TONE-RU");
685 PFLAG(MAC, 5, OM_CTRL_UL_MU_DATA_DIS_RX, "OM-CTRL-UL-MU-DATA-DIS-RX");
686 PFLAG(MAC, 5, HE_DYNAMIC_SM_PS, "HE-DYNAMIC-SM-PS");
687 PFLAG(MAC, 5, PUNCTURED_SOUNDING, "PUNCTURED-SOUNDING");
688 PFLAG(MAC, 5, HT_VHT_TRIG_FRAME_RX, "HT-VHT-TRIG-FRAME-RX");
689
690 cap = hec->he_cap_elem.phy_cap_info;
691 p += scnprintf(p, buf_sz + buf - p,
692 "PHY CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
693 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5], cap[6],
694 cap[7], cap[8], cap[9], cap[10]);
695
696 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_IN_2G,
697 "CHANNEL-WIDTH-SET-40MHZ-IN-2G");
698 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G,
699 "CHANNEL-WIDTH-SET-40MHZ-80MHZ-IN-5G");
700 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_160MHZ_IN_5G,
701 "CHANNEL-WIDTH-SET-160MHZ-IN-5G");
702 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G,
703 "CHANNEL-WIDTH-SET-80PLUS80-MHZ-IN-5G");
704 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G,
705 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-2G");
706 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G,
707 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-5G");
708
709 switch (cap[1] & IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK) {
710 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ:
711 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-20MHZ");
712 break;
713 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ:
714 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-40MHZ");
715 break;
716 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ:
717 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-20MHZ");
718 break;
719 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ:
720 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-40MHZ");
721 break;
722 }
723
724 PFLAG(PHY, 1, DEVICE_CLASS_A,
725 "IEEE80211-HE-PHY-CAP1-DEVICE-CLASS-A");
726 PFLAG(PHY, 1, LDPC_CODING_IN_PAYLOAD,
727 "LDPC-CODING-IN-PAYLOAD");
728 PFLAG(PHY, 1, HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US,
729 "HY-CAP1-HE-LTF-AND-GI-FOR-HE-PPDUS-0-8US");
730 PRINT("MIDAMBLE-RX-MAX-NSTS-%d", ((cap[2] << 1) | (cap[1] >> 7)) & 0x3);
731
732 PFLAG(PHY, 2, NDP_4x_LTF_AND_3_2US, "NDP-4X-LTF-AND-3-2US");
733 PFLAG(PHY, 2, STBC_TX_UNDER_80MHZ, "STBC-TX-UNDER-80MHZ");
734 PFLAG(PHY, 2, STBC_RX_UNDER_80MHZ, "STBC-RX-UNDER-80MHZ");
735 PFLAG(PHY, 2, DOPPLER_TX, "DOPPLER-TX");
736 PFLAG(PHY, 2, DOPPLER_RX, "DOPPLER-RX");
737 PFLAG(PHY, 2, UL_MU_FULL_MU_MIMO, "UL-MU-FULL-MU-MIMO");
738 PFLAG(PHY, 2, UL_MU_PARTIAL_MU_MIMO, "UL-MU-PARTIAL-MU-MIMO");
739
740 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK) {
741 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM:
742 PRINT("DCM-MAX-CONST-TX-NO-DCM");
743 break;
744 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK:
745 PRINT("DCM-MAX-CONST-TX-BPSK");
746 break;
747 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK:
748 PRINT("DCM-MAX-CONST-TX-QPSK");
749 break;
750 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM:
751 PRINT("DCM-MAX-CONST-TX-16-QAM");
752 break;
753 }
754
755 PFLAG(PHY, 3, DCM_MAX_TX_NSS_1, "DCM-MAX-TX-NSS-1");
756 PFLAG(PHY, 3, DCM_MAX_TX_NSS_2, "DCM-MAX-TX-NSS-2");
757
758 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK) {
759 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM:
760 PRINT("DCM-MAX-CONST-RX-NO-DCM");
761 break;
762 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK:
763 PRINT("DCM-MAX-CONST-RX-BPSK");
764 break;
765 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK:
766 PRINT("DCM-MAX-CONST-RX-QPSK");
767 break;
768 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM:
769 PRINT("DCM-MAX-CONST-RX-16-QAM");
770 break;
771 }
772
773 PFLAG(PHY, 3, DCM_MAX_RX_NSS_1, "DCM-MAX-RX-NSS-1");
774 PFLAG(PHY, 3, DCM_MAX_RX_NSS_2, "DCM-MAX-RX-NSS-2");
775 PFLAG(PHY, 3, RX_HE_MU_PPDU_FROM_NON_AP_STA,
776 "RX-HE-MU-PPDU-FROM-NON-AP-STA");
777 PFLAG(PHY, 3, SU_BEAMFORMER, "SU-BEAMFORMER");
778
779 PFLAG(PHY, 4, SU_BEAMFORMEE, "SU-BEAMFORMEE");
780 PFLAG(PHY, 4, MU_BEAMFORMER, "MU-BEAMFORMER");
781
782 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_UNDER_80MHZ, 0, 1, 4,
783 "BEAMFORMEE-MAX-STS-UNDER-%d");
784 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_ABOVE_80MHZ, 0, 1, 4,
785 "BEAMFORMEE-MAX-STS-ABOVE-%d");
786
787 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ, 0, 1, 1,
788 "NUM-SND-DIM-UNDER-80MHZ-%d");
789 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ, 0, 1, 1,
790 "NUM-SND-DIM-ABOVE-80MHZ-%d");
791 PFLAG(PHY, 5, NG16_SU_FEEDBACK, "NG16-SU-FEEDBACK");
792 PFLAG(PHY, 5, NG16_MU_FEEDBACK, "NG16-MU-FEEDBACK");
793
794 PFLAG(PHY, 6, CODEBOOK_SIZE_42_SU, "CODEBOOK-SIZE-42-SU");
795 PFLAG(PHY, 6, CODEBOOK_SIZE_75_MU, "CODEBOOK-SIZE-75-MU");
796 PFLAG(PHY, 6, TRIG_SU_BEAMFORMER_FB, "TRIG-SU-BEAMFORMER-FB");
797 PFLAG(PHY, 6, TRIG_MU_BEAMFORMER_FB, "TRIG-MU-BEAMFORMER-FB");
798 PFLAG(PHY, 6, TRIG_CQI_FB, "TRIG-CQI-FB");
799 PFLAG(PHY, 6, PARTIAL_BW_EXT_RANGE, "PARTIAL-BW-EXT-RANGE");
800 PFLAG(PHY, 6, PARTIAL_BANDWIDTH_DL_MUMIMO,
801 "PARTIAL-BANDWIDTH-DL-MUMIMO");
802 PFLAG(PHY, 6, PPE_THRESHOLD_PRESENT, "PPE-THRESHOLD-PRESENT");
803
804 PFLAG(PHY, 7, SRP_BASED_SR, "SRP-BASED-SR");
805 PFLAG(PHY, 7, POWER_BOOST_FACTOR_AR, "POWER-BOOST-FACTOR-AR");
806 PFLAG(PHY, 7, HE_SU_MU_PPDU_4XLTF_AND_08_US_GI,
807 "HE-SU-MU-PPDU-4XLTF-AND-08-US-GI");
808 PFLAG_RANGE(PHY, 7, MAX_NC, 0, 1, 1, "MAX-NC-%d");
809 PFLAG(PHY, 7, STBC_TX_ABOVE_80MHZ, "STBC-TX-ABOVE-80MHZ");
810 PFLAG(PHY, 7, STBC_RX_ABOVE_80MHZ, "STBC-RX-ABOVE-80MHZ");
811
812 PFLAG(PHY, 8, HE_ER_SU_PPDU_4XLTF_AND_08_US_GI,
813 "HE-ER-SU-PPDU-4XLTF-AND-08-US-GI");
814 PFLAG(PHY, 8, 20MHZ_IN_40MHZ_HE_PPDU_IN_2G,
815 "20MHZ-IN-40MHZ-HE-PPDU-IN-2G");
816 PFLAG(PHY, 8, 20MHZ_IN_160MHZ_HE_PPDU, "20MHZ-IN-160MHZ-HE-PPDU");
817 PFLAG(PHY, 8, 80MHZ_IN_160MHZ_HE_PPDU, "80MHZ-IN-160MHZ-HE-PPDU");
818 PFLAG(PHY, 8, HE_ER_SU_1XLTF_AND_08_US_GI,
819 "HE-ER-SU-1XLTF-AND-08-US-GI");
820 PFLAG(PHY, 8, MIDAMBLE_RX_TX_2X_AND_1XLTF,
821 "MIDAMBLE-RX-TX-2X-AND-1XLTF");
822
823 switch (cap[8] & IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK) {
824 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242:
825 PRINT("DCM-MAX-RU-242");
826 break;
827 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484:
828 PRINT("DCM-MAX-RU-484");
829 break;
830 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996:
831 PRINT("DCM-MAX-RU-996");
832 break;
833 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996:
834 PRINT("DCM-MAX-RU-2x996");
835 break;
836 }
837
838 PFLAG(PHY, 9, LONGER_THAN_16_SIGB_OFDM_SYM,
839 "LONGER-THAN-16-SIGB-OFDM-SYM");
840 PFLAG(PHY, 9, NON_TRIGGERED_CQI_FEEDBACK,
841 "NON-TRIGGERED-CQI-FEEDBACK");
842 PFLAG(PHY, 9, TX_1024_QAM_LESS_THAN_242_TONE_RU,
843 "TX-1024-QAM-LESS-THAN-242-TONE-RU");
844 PFLAG(PHY, 9, RX_1024_QAM_LESS_THAN_242_TONE_RU,
845 "RX-1024-QAM-LESS-THAN-242-TONE-RU");
846 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB,
847 "RX-FULL-BW-SU-USING-MU-WITH-COMP-SIGB");
848 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB,
849 "RX-FULL-BW-SU-USING-MU-WITH-NON-COMP-SIGB");
850
851 switch (cap[9] & IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK) {
852 case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US:
853 PRINT("NOMINAL-PACKET-PADDING-0US");
854 break;
855 case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US:
856 PRINT("NOMINAL-PACKET-PADDING-8US");
857 break;
858 case IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US:
859 PRINT("NOMINAL-PACKET-PADDING-16US");
860 break;
861 }
862
863 #undef PFLAG_RANGE_DEFAULT
864 #undef PFLAG_RANGE
865 #undef PFLAG
866
867 #define PRINT_NSS_SUPP(f, n) \
868 do { \
869 int _i; \
870 u16 v = le16_to_cpu(nss->f); \
871 p += scnprintf(p, buf_sz + buf - p, n ": %#.4x\n", v); \
872 for (_i = 0; _i < 8; _i += 2) { \
873 switch ((v >> _i) & 0x3) { \
874 case 0: \
875 PRINT(n "-%d-SUPPORT-0-7", _i / 2); \
876 break; \
877 case 1: \
878 PRINT(n "-%d-SUPPORT-0-9", _i / 2); \
879 break; \
880 case 2: \
881 PRINT(n "-%d-SUPPORT-0-11", _i / 2); \
882 break; \
883 case 3: \
884 PRINT(n "-%d-NOT-SUPPORTED", _i / 2); \
885 break; \
886 } \
887 } \
888 } while (0)
889
890 PRINT_NSS_SUPP(rx_mcs_80, "RX-MCS-80");
891 PRINT_NSS_SUPP(tx_mcs_80, "TX-MCS-80");
892
893 if (cap[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) {
894 PRINT_NSS_SUPP(rx_mcs_160, "RX-MCS-160");
895 PRINT_NSS_SUPP(tx_mcs_160, "TX-MCS-160");
896 }
897
898 if (cap[0] &
899 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {
900 PRINT_NSS_SUPP(rx_mcs_80p80, "RX-MCS-80P80");
901 PRINT_NSS_SUPP(tx_mcs_80p80, "TX-MCS-80P80");
902 }
903
904 #undef PRINT_NSS_SUPP
905 #undef PRINT
906
907 if (!(cap[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT))
908 goto out;
909
910 p += scnprintf(p, buf_sz + buf - p, "PPE-THRESHOLDS: %#.2x",
911 hec->ppe_thres[0]);
912
913 ppe_size = ieee80211_he_ppe_size(hec->ppe_thres[0], cap);
914 for (i = 1; i < ppe_size; i++) {
915 p += scnprintf(p, buf_sz + buf - p, " %#.2x",
916 hec->ppe_thres[i]);
917 }
918 p += scnprintf(p, buf_sz + buf - p, "\n");
919
920 out:
921 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
922 kfree(buf);
923 return ret;
924 }
925 STA_OPS(he_capa);
926
927 #define DEBUGFS_ADD(name) \
928 debugfs_create_file(#name, 0400, \
929 sta->debugfs_dir, sta, &sta_ ##name## _ops);
930
931 #define DEBUGFS_ADD_COUNTER(name, field) \
932 if (sizeof(sta->field) == sizeof(u32)) \
933 debugfs_create_u32(#name, 0400, sta->debugfs_dir, \
934 (u32 *) &sta->field); \
935 else \
936 debugfs_create_u64(#name, 0400, sta->debugfs_dir, \
937 (u64 *) &sta->field);
938
939 void ieee80211_sta_debugfs_add(struct sta_info *sta)
940 {
941 struct ieee80211_local *local = sta->local;
942 struct ieee80211_sub_if_data *sdata = sta->sdata;
943 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations;
944 u8 mac[3*ETH_ALEN];
945
946 if (!stations_dir)
947 return;
948
949 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr);
950
951
952
953
954
955
956
957
958
959
960 sta->debugfs_dir = debugfs_create_dir(mac, stations_dir);
961
962 DEBUGFS_ADD(flags);
963 DEBUGFS_ADD(aid);
964 DEBUGFS_ADD(num_ps_buf_frames);
965 DEBUGFS_ADD(last_seq_ctrl);
966 DEBUGFS_ADD(agg_status);
967 DEBUGFS_ADD(ht_capa);
968 DEBUGFS_ADD(vht_capa);
969 DEBUGFS_ADD(he_capa);
970
971 DEBUGFS_ADD_COUNTER(rx_duplicates, rx_stats.num_duplicates);
972 DEBUGFS_ADD_COUNTER(rx_fragments, rx_stats.fragments);
973 DEBUGFS_ADD_COUNTER(tx_filtered, status_stats.filtered);
974
975 if (local->ops->wake_tx_queue)
976 DEBUGFS_ADD(aqm);
977
978 if (wiphy_ext_feature_isset(local->hw.wiphy,
979 NL80211_EXT_FEATURE_AIRTIME_FAIRNESS))
980 DEBUGFS_ADD(airtime);
981
982 if (sizeof(sta->driver_buffered_tids) == sizeof(u32))
983 debugfs_create_x32("driver_buffered_tids", 0400,
984 sta->debugfs_dir,
985 (u32 *)&sta->driver_buffered_tids);
986 else
987 debugfs_create_x64("driver_buffered_tids", 0400,
988 sta->debugfs_dir,
989 (u64 *)&sta->driver_buffered_tids);
990
991 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs_dir);
992 }
993
994 void ieee80211_sta_debugfs_remove(struct sta_info *sta)
995 {
996 debugfs_remove_recursive(sta->debugfs_dir);
997 sta->debugfs_dir = NULL;
998 }