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accel/qaic: Add AIC200 support
[drm/drm-misc.git] / net / mac80211 / debugfs_sta.c
bloba67a9d3160086ac492d77092a0c8a74d2384b28c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright 2003-2005 Devicescape Software, Inc.
4 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
5 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
6 * Copyright 2013-2014 Intel Mobile Communications GmbH
7 * Copyright(c) 2016 Intel Deutschland GmbH
8 * Copyright (C) 2018 - 2023 Intel Corporation
9 */
10
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 /* sta attributes */
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 debugfs_short_fops sta_ ##name## _ops = { \
34 .read = sta_##name##_read, \
35 .llseek = generic_file_llseek, \
36 }
37
38 #define STA_OPS_RW(name) \
39 static const struct debugfs_short_fops sta_ ##name## _ops = { \
40 .read = sta_##name##_read, \
41 .write = sta_##name##_write, \
42 .llseek = generic_file_llseek, \
43 }
44
45 #define STA_FILE(name, field, format) \
46 STA_READ_##format(name, field) \
47 STA_OPS(name)
48
49 STA_FILE(aid, sta.aid, D);
50
51 static const char * const sta_flag_names[] = {
52 #define FLAG(F) [WLAN_STA_##F] = #F
53 FLAG(AUTH),
54 FLAG(ASSOC),
55 FLAG(PS_STA),
56 FLAG(AUTHORIZED),
57 FLAG(SHORT_PREAMBLE),
58 FLAG(WDS),
59 FLAG(CLEAR_PS_FILT),
60 FLAG(MFP),
61 FLAG(BLOCK_BA),
62 FLAG(PS_DRIVER),
63 FLAG(PSPOLL),
64 FLAG(TDLS_PEER),
65 FLAG(TDLS_PEER_AUTH),
66 FLAG(TDLS_INITIATOR),
67 FLAG(TDLS_CHAN_SWITCH),
68 FLAG(TDLS_OFF_CHANNEL),
69 FLAG(TDLS_WIDER_BW),
70 FLAG(UAPSD),
71 FLAG(SP),
72 FLAG(4ADDR_EVENT),
73 FLAG(INSERTED),
74 FLAG(RATE_CONTROL),
75 FLAG(TOFFSET_KNOWN),
76 FLAG(MPSP_OWNER),
77 FLAG(MPSP_RECIPIENT),
78 FLAG(PS_DELIVER),
79 FLAG(USES_ENCRYPTION),
80 FLAG(DECAP_OFFLOAD),
81 #undef FLAG
82 };
83
84 static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
85 size_t count, loff_t *ppos)
86 {
87 char buf[16 * NUM_WLAN_STA_FLAGS], *pos = buf;
88 char *end = buf + sizeof(buf) - 1;
89 struct sta_info *sta = file->private_data;
90 unsigned int flg;
91
92 BUILD_BUG_ON(ARRAY_SIZE(sta_flag_names) != NUM_WLAN_STA_FLAGS);
93
94 for (flg = 0; flg < NUM_WLAN_STA_FLAGS; flg++) {
95 if (test_sta_flag(sta, flg))
96 pos += scnprintf(pos, end - pos, "%s\n",
97 sta_flag_names[flg]);
98 }
99
100 return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
101 }
102 STA_OPS(flags);
103
104 static ssize_t sta_num_ps_buf_frames_read(struct file *file,
105 char __user *userbuf,
106 size_t count, loff_t *ppos)
107 {
108 struct sta_info *sta = file->private_data;
109 char buf[17*IEEE80211_NUM_ACS], *p = buf;
110 int ac;
111
112 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
113 p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac,
114 skb_queue_len(&sta->ps_tx_buf[ac]) +
115 skb_queue_len(&sta->tx_filtered[ac]));
116 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
117 }
118 STA_OPS(num_ps_buf_frames);
119
120 static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
121 size_t count, loff_t *ppos)
122 {
123 char buf[15*IEEE80211_NUM_TIDS], *p = buf;
124 int i;
125 struct sta_info *sta = file->private_data;
126 for (i = 0; i < IEEE80211_NUM_TIDS; i++)
127 p += scnprintf(p, sizeof(buf)+buf-p, "%x ",
128 le16_to_cpu(sta->last_seq_ctrl[i]));
129 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
130 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
131 }
132 STA_OPS(last_seq_ctrl);
133
134 #define AQM_TXQ_ENTRY_LEN 130
135
136 static ssize_t sta_aqm_read(struct file *file, char __user *userbuf,
137 size_t count, loff_t *ppos)
138 {
139 struct sta_info *sta = file->private_data;
140 struct ieee80211_local *local = sta->local;
141 size_t bufsz = AQM_TXQ_ENTRY_LEN * (IEEE80211_NUM_TIDS + 2);
142 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
143 struct txq_info *txqi;
144 ssize_t rv;
145 int i;
146
147 if (!buf)
148 return -ENOMEM;
149
150 spin_lock_bh(&local->fq.lock);
151 rcu_read_lock();
152
153 p += scnprintf(p,
154 bufsz + buf - p,
155 "target %uus interval %uus ecn %s\n",
156 codel_time_to_us(sta->cparams.target),
157 codel_time_to_us(sta->cparams.interval),
158 sta->cparams.ecn ? "yes" : "no");
159 p += scnprintf(p,
160 bufsz + buf - p,
161 "tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets flags\n");
162
163 for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
164 if (!sta->sta.txq[i])
165 continue;
166 txqi = to_txq_info(sta->sta.txq[i]);
167 p += scnprintf(p, bufsz + buf - p,
168 "%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s%s)\n",
169 txqi->txq.tid,
170 txqi->txq.ac,
171 txqi->tin.backlog_bytes,
172 txqi->tin.backlog_packets,
173 txqi->tin.flows,
174 txqi->cstats.drop_count,
175 txqi->cstats.ecn_mark,
176 txqi->tin.overlimit,
177 txqi->tin.collisions,
178 txqi->tin.tx_bytes,
179 txqi->tin.tx_packets,
180 txqi->flags,
181 test_bit(IEEE80211_TXQ_STOP, &txqi->flags) ? "STOP" : "RUN",
182 test_bit(IEEE80211_TXQ_AMPDU, &txqi->flags) ? " AMPDU" : "",
183 test_bit(IEEE80211_TXQ_NO_AMSDU, &txqi->flags) ? " NO-AMSDU" : "",
184 test_bit(IEEE80211_TXQ_DIRTY, &txqi->flags) ? " DIRTY" : "");
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 = 400;
202 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
203 u64 rx_airtime = 0, tx_airtime = 0;
204 s32 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: %d us VI: %d us BE: %d us BK: %d us\n",
222 rx_airtime, tx_airtime, sta->airtime_weight,
223 deficit[0], deficit[1], deficit[2], deficit[3]);
224
225 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
226 kfree(buf);
227 return rv;
228 }
229
230 static ssize_t sta_airtime_write(struct file *file, const char __user *userbuf,
231 size_t count, loff_t *ppos)
232 {
233 struct sta_info *sta = file->private_data;
234 struct ieee80211_local *local = sta->sdata->local;
235 int ac;
236
237 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
238 spin_lock_bh(&local->active_txq_lock[ac]);
239 sta->airtime[ac].rx_airtime = 0;
240 sta->airtime[ac].tx_airtime = 0;
241 sta->airtime[ac].deficit = sta->airtime_weight;
242 spin_unlock_bh(&local->active_txq_lock[ac]);
243 }
244
245 return count;
246 }
247 STA_OPS_RW(airtime);
248
249 static ssize_t sta_aql_read(struct file *file, char __user *userbuf,
250 size_t count, loff_t *ppos)
251 {
252 struct sta_info *sta = file->private_data;
253 struct ieee80211_local *local = sta->sdata->local;
254 size_t bufsz = 400;
255 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
256 u32 q_depth[IEEE80211_NUM_ACS];
257 u32 q_limit_l[IEEE80211_NUM_ACS], q_limit_h[IEEE80211_NUM_ACS];
258 ssize_t rv;
259 int ac;
260
261 if (!buf)
262 return -ENOMEM;
263
264 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
265 spin_lock_bh(&local->active_txq_lock[ac]);
266 q_limit_l[ac] = sta->airtime[ac].aql_limit_low;
267 q_limit_h[ac] = sta->airtime[ac].aql_limit_high;
268 spin_unlock_bh(&local->active_txq_lock[ac]);
269 q_depth[ac] = atomic_read(&sta->airtime[ac].aql_tx_pending);
270 }
271
272 p += scnprintf(p, bufsz + buf - p,
273 "Q depth: VO: %u us VI: %u us BE: %u us BK: %u us\n"
274 "Q limit[low/high]: VO: %u/%u VI: %u/%u BE: %u/%u BK: %u/%u\n",
275 q_depth[0], q_depth[1], q_depth[2], q_depth[3],
276 q_limit_l[0], q_limit_h[0], q_limit_l[1], q_limit_h[1],
277 q_limit_l[2], q_limit_h[2], q_limit_l[3], q_limit_h[3]);
278
279 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
280 kfree(buf);
281 return rv;
282 }
283
284 static ssize_t sta_aql_write(struct file *file, const char __user *userbuf,
285 size_t count, loff_t *ppos)
286 {
287 struct sta_info *sta = file->private_data;
288 u32 ac, q_limit_l, q_limit_h;
289 char _buf[100] = {}, *buf = _buf;
290
291 if (count > sizeof(_buf))
292 return -EINVAL;
293
294 if (copy_from_user(buf, userbuf, count))
295 return -EFAULT;
296
297 buf[sizeof(_buf) - 1] = '\0';
298 if (sscanf(buf, "limit %u %u %u", &ac, &q_limit_l, &q_limit_h)
299 != 3)
300 return -EINVAL;
301
302 if (ac >= IEEE80211_NUM_ACS)
303 return -EINVAL;
304
305 sta->airtime[ac].aql_limit_low = q_limit_l;
306 sta->airtime[ac].aql_limit_high = q_limit_h;
307
308 return count;
309 }
310 STA_OPS_RW(aql);
311
312
313 static ssize_t sta_agg_status_do_read(struct wiphy *wiphy, struct file *file,
314 char *buf, size_t bufsz, void *data)
315 {
316 struct sta_info *sta = data;
317 char *p = buf;
318 int i;
319 struct tid_ampdu_rx *tid_rx;
320 struct tid_ampdu_tx *tid_tx;
321
322 p += scnprintf(p, bufsz + buf - p, "next dialog_token: %#02x\n",
323 sta->ampdu_mlme.dialog_token_allocator + 1);
324 p += scnprintf(p, bufsz + buf - p,
325 "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n");
326
327 for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
328 bool tid_rx_valid;
329
330 tid_rx = wiphy_dereference(wiphy, sta->ampdu_mlme.tid_rx[i]);
331 tid_tx = wiphy_dereference(wiphy, sta->ampdu_mlme.tid_tx[i]);
332 tid_rx_valid = test_bit(i, sta->ampdu_mlme.agg_session_valid);
333
334 p += scnprintf(p, bufsz + buf - p, "%02d", i);
335 p += scnprintf(p, bufsz + buf - p, "\t\t%x",
336 tid_rx_valid);
337 p += scnprintf(p, bufsz + buf - p, "\t%#.2x",
338 tid_rx_valid ?
339 sta->ampdu_mlme.tid_rx_token[i] : 0);
340 p += scnprintf(p, bufsz + buf - p, "\t%#.3x",
341 tid_rx ? tid_rx->ssn : 0);
342
343 p += scnprintf(p, bufsz + buf - p, "\t\t%x", !!tid_tx);
344 p += scnprintf(p, bufsz + buf - p, "\t%#.2x",
345 tid_tx ? tid_tx->dialog_token : 0);
346 p += scnprintf(p, bufsz + buf - p, "\t%03d",
347 tid_tx ? skb_queue_len(&tid_tx->pending) : 0);
348 p += scnprintf(p, bufsz + buf - p, "\n");
349 }
350
351 return p - buf;
352 }
353
354 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
355 size_t count, loff_t *ppos)
356 {
357 struct sta_info *sta = file->private_data;
358 struct wiphy *wiphy = sta->local->hw.wiphy;
359 size_t bufsz = 71 + IEEE80211_NUM_TIDS * 40;
360 char *buf = kmalloc(bufsz, GFP_KERNEL);
361 ssize_t ret;
362
363 if (!buf)
364 return -ENOMEM;
365
366 ret = wiphy_locked_debugfs_read(wiphy, file, buf, bufsz,
367 userbuf, count, ppos,
368 sta_agg_status_do_read, sta);
369 kfree(buf);
370
371 return ret;
372 }
373
374 static ssize_t sta_agg_status_do_write(struct wiphy *wiphy, struct file *file,
375 char *buf, size_t count, void *data)
376 {
377 struct sta_info *sta = data;
378 bool start, tx;
379 unsigned long tid;
380 char *pos = buf;
381 int ret, timeout = 5000;
382
383 buf = strsep(&pos, " ");
384 if (!buf)
385 return -EINVAL;
386
387 if (!strcmp(buf, "tx"))
388 tx = true;
389 else if (!strcmp(buf, "rx"))
390 tx = false;
391 else
392 return -EINVAL;
393
394 buf = strsep(&pos, " ");
395 if (!buf)
396 return -EINVAL;
397 if (!strcmp(buf, "start")) {
398 start = true;
399 if (!tx)
400 return -EINVAL;
401 } else if (!strcmp(buf, "stop")) {
402 start = false;
403 } else {
404 return -EINVAL;
405 }
406
407 buf = strsep(&pos, " ");
408 if (!buf)
409 return -EINVAL;
410 if (sscanf(buf, "timeout=%d", &timeout) == 1) {
411 buf = strsep(&pos, " ");
412 if (!buf || !tx || !start)
413 return -EINVAL;
414 }
415
416 ret = kstrtoul(buf, 0, &tid);
417 if (ret || tid >= IEEE80211_NUM_TIDS)
418 return -EINVAL;
419
420 if (tx) {
421 if (start)
422 ret = ieee80211_start_tx_ba_session(&sta->sta, tid,
423 timeout);
424 else
425 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid);
426 } else {
427 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
428 3, true);
429 ret = 0;
430 }
431
432 return ret ?: count;
433 }
434
435 static ssize_t sta_agg_status_write(struct file *file,
436 const char __user *userbuf,
437 size_t count, loff_t *ppos)
438 {
439 struct sta_info *sta = file->private_data;
440 struct wiphy *wiphy = sta->local->hw.wiphy;
441 char _buf[26];
442
443 return wiphy_locked_debugfs_write(wiphy, file, _buf, sizeof(_buf),
444 userbuf, count,
445 sta_agg_status_do_write, sta);
446 }
447 STA_OPS_RW(agg_status);
448
449 /* link sta attributes */
450 #define LINK_STA_OPS(name) \
451 static const struct debugfs_short_fops link_sta_ ##name## _ops = { \
452 .read = link_sta_##name##_read, \
453 .llseek = generic_file_llseek, \
454 }
455
456 static ssize_t link_sta_addr_read(struct file *file, char __user *userbuf,
457 size_t count, loff_t *ppos)
458 {
459 struct link_sta_info *link_sta = file->private_data;
460 u8 mac[3 * ETH_ALEN + 1];
461
462 snprintf(mac, sizeof(mac), "%pM\n", link_sta->pub->addr);
463
464 return simple_read_from_buffer(userbuf, count, ppos, mac, 3 * ETH_ALEN);
465 }
466
467 LINK_STA_OPS(addr);
468
469 static ssize_t link_sta_ht_capa_read(struct file *file, char __user *userbuf,
470 size_t count, loff_t *ppos)
471 {
472 #define PRINT_HT_CAP(_cond, _str) \
473 do { \
474 if (_cond) \
475 p += scnprintf(p, bufsz + buf - p, "\t" _str "\n"); \
476 } while (0)
477 char *buf, *p;
478 int i;
479 ssize_t bufsz = 512;
480 struct link_sta_info *link_sta = file->private_data;
481 struct ieee80211_sta_ht_cap *htc = &link_sta->pub->ht_cap;
482 ssize_t ret;
483
484 buf = kzalloc(bufsz, GFP_KERNEL);
485 if (!buf)
486 return -ENOMEM;
487 p = buf;
488
489 p += scnprintf(p, bufsz + buf - p, "ht %ssupported\n",
490 htc->ht_supported ? "" : "not ");
491 if (htc->ht_supported) {
492 p += scnprintf(p, bufsz + buf - p, "cap: %#.4x\n", htc->cap);
493
494 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC");
495 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40");
496 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20");
497
498 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save");
499 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save");
500 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled");
501
502 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield");
503 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI");
504 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI");
505 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC");
506
507 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC");
508 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream");
509 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams");
510 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams");
511
512 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack");
513
514 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: "
515 "3839 bytes");
516 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: "
517 "7935 bytes");
518
519 /*
520 * For beacons and probe response this would mean the BSS
521 * does or does not allow the usage of DSSS/CCK HT40.
522 * Otherwise it means the STA does or does not use
523 * DSSS/CCK HT40.
524 */
525 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40");
526 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40");
527
528 /* BIT(13) is reserved */
529
530 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant");
531
532 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection");
533
534 p += scnprintf(p, bufsz + buf - p, "ampdu factor/density: %d/%d\n",
535 htc->ampdu_factor, htc->ampdu_density);
536 p += scnprintf(p, bufsz + buf - p, "MCS mask:");
537
538 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
539 p += scnprintf(p, bufsz + buf - p, " %.2x",
540 htc->mcs.rx_mask[i]);
541 p += scnprintf(p, bufsz + buf - p, "\n");
542
543 /* If not set this is meaningless */
544 if (le16_to_cpu(htc->mcs.rx_highest)) {
545 p += scnprintf(p, bufsz + buf - p,
546 "MCS rx highest: %d Mbps\n",
547 le16_to_cpu(htc->mcs.rx_highest));
548 }
549
550 p += scnprintf(p, bufsz + buf - p, "MCS tx params: %x\n",
551 htc->mcs.tx_params);
552 }
553
554 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
555 kfree(buf);
556 return ret;
557 }
558 LINK_STA_OPS(ht_capa);
559
560 static ssize_t link_sta_vht_capa_read(struct file *file, char __user *userbuf,
561 size_t count, loff_t *ppos)
562 {
563 char *buf, *p;
564 struct link_sta_info *link_sta = file->private_data;
565 struct ieee80211_sta_vht_cap *vhtc = &link_sta->pub->vht_cap;
566 ssize_t ret;
567 ssize_t bufsz = 512;
568
569 buf = kzalloc(bufsz, GFP_KERNEL);
570 if (!buf)
571 return -ENOMEM;
572 p = buf;
573
574 p += scnprintf(p, bufsz + buf - p, "VHT %ssupported\n",
575 vhtc->vht_supported ? "" : "not ");
576 if (vhtc->vht_supported) {
577 p += scnprintf(p, bufsz + buf - p, "cap: %#.8x\n",
578 vhtc->cap);
579 #define PFLAG(a, b) \
580 do { \
581 if (vhtc->cap & IEEE80211_VHT_CAP_ ## a) \
582 p += scnprintf(p, bufsz + buf - p, \
583 "\t\t%s\n", b); \
584 } while (0)
585
586 switch (vhtc->cap & 0x3) {
587 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
588 p += scnprintf(p, bufsz + buf - p,
589 "\t\tMAX-MPDU-3895\n");
590 break;
591 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
592 p += scnprintf(p, bufsz + buf - p,
593 "\t\tMAX-MPDU-7991\n");
594 break;
595 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
596 p += scnprintf(p, bufsz + buf - p,
597 "\t\tMAX-MPDU-11454\n");
598 break;
599 default:
600 p += scnprintf(p, bufsz + buf - p,
601 "\t\tMAX-MPDU-UNKNOWN\n");
602 }
603 switch (vhtc->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
604 case 0:
605 p += scnprintf(p, bufsz + buf - p,
606 "\t\t80Mhz\n");
607 break;
608 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
609 p += scnprintf(p, bufsz + buf - p,
610 "\t\t160Mhz\n");
611 break;
612 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
613 p += scnprintf(p, bufsz + buf - p,
614 "\t\t80+80Mhz\n");
615 break;
616 default:
617 p += scnprintf(p, bufsz + buf - p,
618 "\t\tUNKNOWN-MHZ: 0x%x\n",
619 (vhtc->cap >> 2) & 0x3);
620 }
621 PFLAG(RXLDPC, "RXLDPC");
622 PFLAG(SHORT_GI_80, "SHORT-GI-80");
623 PFLAG(SHORT_GI_160, "SHORT-GI-160");
624 PFLAG(TXSTBC, "TXSTBC");
625 p += scnprintf(p, bufsz + buf - p,
626 "\t\tRXSTBC_%d\n", (vhtc->cap >> 8) & 0x7);
627 PFLAG(SU_BEAMFORMER_CAPABLE, "SU-BEAMFORMER-CAPABLE");
628 PFLAG(SU_BEAMFORMEE_CAPABLE, "SU-BEAMFORMEE-CAPABLE");
629 p += scnprintf(p, bufsz + buf - p,
630 "\t\tBEAMFORMEE-STS: 0x%x\n",
631 (vhtc->cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK) >>
632 IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
633 p += scnprintf(p, bufsz + buf - p,
634 "\t\tSOUNDING-DIMENSIONS: 0x%x\n",
635 (vhtc->cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK)
636 >> IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT);
637 PFLAG(MU_BEAMFORMER_CAPABLE, "MU-BEAMFORMER-CAPABLE");
638 PFLAG(MU_BEAMFORMEE_CAPABLE, "MU-BEAMFORMEE-CAPABLE");
639 PFLAG(VHT_TXOP_PS, "TXOP-PS");
640 PFLAG(HTC_VHT, "HTC-VHT");
641 p += scnprintf(p, bufsz + buf - p,
642 "\t\tMPDU-LENGTH-EXPONENT: 0x%x\n",
643 (vhtc->cap & IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
644 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT);
645 PFLAG(VHT_LINK_ADAPTATION_VHT_UNSOL_MFB,
646 "LINK-ADAPTATION-VHT-UNSOL-MFB");
647 p += scnprintf(p, bufsz + buf - p,
648 "\t\tLINK-ADAPTATION-VHT-MRQ-MFB: 0x%x\n",
649 (vhtc->cap & IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB) >> 26);
650 PFLAG(RX_ANTENNA_PATTERN, "RX-ANTENNA-PATTERN");
651 PFLAG(TX_ANTENNA_PATTERN, "TX-ANTENNA-PATTERN");
652
653 p += scnprintf(p, bufsz + buf - p, "RX MCS: %.4x\n",
654 le16_to_cpu(vhtc->vht_mcs.rx_mcs_map));
655 if (vhtc->vht_mcs.rx_highest)
656 p += scnprintf(p, bufsz + buf - p,
657 "MCS RX highest: %d Mbps\n",
658 le16_to_cpu(vhtc->vht_mcs.rx_highest));
659 p += scnprintf(p, bufsz + buf - p, "TX MCS: %.4x\n",
660 le16_to_cpu(vhtc->vht_mcs.tx_mcs_map));
661 if (vhtc->vht_mcs.tx_highest)
662 p += scnprintf(p, bufsz + buf - p,
663 "MCS TX highest: %d Mbps\n",
664 le16_to_cpu(vhtc->vht_mcs.tx_highest));
665 #undef PFLAG
666 }
667
668 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
669 kfree(buf);
670 return ret;
671 }
672 LINK_STA_OPS(vht_capa);
673
674 static ssize_t link_sta_he_capa_read(struct file *file, char __user *userbuf,
675 size_t count, loff_t *ppos)
676 {
677 char *buf, *p;
678 size_t buf_sz = PAGE_SIZE;
679 struct link_sta_info *link_sta = file->private_data;
680 struct ieee80211_sta_he_cap *hec = &link_sta->pub->he_cap;
681 struct ieee80211_he_mcs_nss_supp *nss = &hec->he_mcs_nss_supp;
682 u8 ppe_size;
683 u8 *cap;
684 int i;
685 ssize_t ret;
686
687 buf = kmalloc(buf_sz, GFP_KERNEL);
688 if (!buf)
689 return -ENOMEM;
690 p = buf;
691
692 p += scnprintf(p, buf_sz + buf - p, "HE %ssupported\n",
693 hec->has_he ? "" : "not ");
694 if (!hec->has_he)
695 goto out;
696
697 cap = hec->he_cap_elem.mac_cap_info;
698 p += scnprintf(p, buf_sz + buf - p,
699 "MAC-CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
700 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5]);
701
702 #define PRINT(fmt, ...) \
703 p += scnprintf(p, buf_sz + buf - p, "\t\t" fmt "\n", \
704 ##__VA_ARGS__)
705
706 #define PFLAG(t, n, a, b) \
707 do { \
708 if (cap[n] & IEEE80211_HE_##t##_CAP##n##_##a) \
709 PRINT("%s", b); \
710 } while (0)
711
712 #define PFLAG_RANGE(t, i, n, s, m, off, fmt) \
713 do { \
714 u8 msk = IEEE80211_HE_##t##_CAP##i##_##n##_MASK; \
715 u8 idx = ((cap[i] & msk) >> (ffs(msk) - 1)) + off; \
716 PRINT(fmt, (s << idx) + (m * idx)); \
717 } while (0)
718
719 #define PFLAG_RANGE_DEFAULT(t, i, n, s, m, off, fmt, a, b) \
720 do { \
721 if (cap[i] == IEEE80211_HE_##t ##_CAP##i##_##n##_##a) { \
722 PRINT("%s", b); \
723 break; \
724 } \
725 PFLAG_RANGE(t, i, n, s, m, off, fmt); \
726 } while (0)
727
728 PFLAG(MAC, 0, HTC_HE, "HTC-HE");
729 PFLAG(MAC, 0, TWT_REQ, "TWT-REQ");
730 PFLAG(MAC, 0, TWT_RES, "TWT-RES");
731 PFLAG_RANGE_DEFAULT(MAC, 0, DYNAMIC_FRAG, 0, 1, 0,
732 "DYNAMIC-FRAG-LEVEL-%d", NOT_SUPP, "NOT-SUPP");
733 PFLAG_RANGE_DEFAULT(MAC, 0, MAX_NUM_FRAG_MSDU, 1, 0, 0,
734 "MAX-NUM-FRAG-MSDU-%d", UNLIMITED, "UNLIMITED");
735
736 PFLAG_RANGE_DEFAULT(MAC, 1, MIN_FRAG_SIZE, 128, 0, -1,
737 "MIN-FRAG-SIZE-%d", UNLIMITED, "UNLIMITED");
738 PFLAG_RANGE_DEFAULT(MAC, 1, TF_MAC_PAD_DUR, 0, 8, 0,
739 "TF-MAC-PAD-DUR-%dUS", MASK, "UNKNOWN");
740 PFLAG_RANGE(MAC, 1, MULTI_TID_AGG_RX_QOS, 0, 1, 1,
741 "MULTI-TID-AGG-RX-QOS-%d");
742
743 if (cap[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) {
744 switch (((cap[2] << 1) | (cap[1] >> 7)) & 0x3) {
745 case 0:
746 PRINT("LINK-ADAPTATION-NO-FEEDBACK");
747 break;
748 case 1:
749 PRINT("LINK-ADAPTATION-RESERVED");
750 break;
751 case 2:
752 PRINT("LINK-ADAPTATION-UNSOLICITED-FEEDBACK");
753 break;
754 case 3:
755 PRINT("LINK-ADAPTATION-BOTH");
756 break;
757 }
758 }
759
760 PFLAG(MAC, 2, ALL_ACK, "ALL-ACK");
761 PFLAG(MAC, 2, TRS, "TRS");
762 PFLAG(MAC, 2, BSR, "BSR");
763 PFLAG(MAC, 2, BCAST_TWT, "BCAST-TWT");
764 PFLAG(MAC, 2, 32BIT_BA_BITMAP, "32BIT-BA-BITMAP");
765 PFLAG(MAC, 2, MU_CASCADING, "MU-CASCADING");
766 PFLAG(MAC, 2, ACK_EN, "ACK-EN");
767
768 PFLAG(MAC, 3, OMI_CONTROL, "OMI-CONTROL");
769 PFLAG(MAC, 3, OFDMA_RA, "OFDMA-RA");
770
771 switch (cap[3] & IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK) {
772 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0:
773 PRINT("MAX-AMPDU-LEN-EXP-USE-EXT-0");
774 break;
775 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1:
776 PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-1");
777 break;
778 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2:
779 PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-2");
780 break;
781 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3:
782 PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-3");
783 break;
784 }
785
786 PFLAG(MAC, 3, AMSDU_FRAG, "AMSDU-FRAG");
787 PFLAG(MAC, 3, FLEX_TWT_SCHED, "FLEX-TWT-SCHED");
788 PFLAG(MAC, 3, RX_CTRL_FRAME_TO_MULTIBSS, "RX-CTRL-FRAME-TO-MULTIBSS");
789
790 PFLAG(MAC, 4, BSRP_BQRP_A_MPDU_AGG, "BSRP-BQRP-A-MPDU-AGG");
791 PFLAG(MAC, 4, QTP, "QTP");
792 PFLAG(MAC, 4, BQR, "BQR");
793 PFLAG(MAC, 4, PSR_RESP, "PSR-RESP");
794 PFLAG(MAC, 4, NDP_FB_REP, "NDP-FB-REP");
795 PFLAG(MAC, 4, OPS, "OPS");
796 PFLAG(MAC, 4, AMSDU_IN_AMPDU, "AMSDU-IN-AMPDU");
797
798 PRINT("MULTI-TID-AGG-TX-QOS-%d", ((cap[5] << 1) | (cap[4] >> 7)) & 0x7);
799
800 PFLAG(MAC, 5, SUBCHAN_SELECTIVE_TRANSMISSION,
801 "SUBCHAN-SELECTIVE-TRANSMISSION");
802 PFLAG(MAC, 5, UL_2x996_TONE_RU, "UL-2x996-TONE-RU");
803 PFLAG(MAC, 5, OM_CTRL_UL_MU_DATA_DIS_RX, "OM-CTRL-UL-MU-DATA-DIS-RX");
804 PFLAG(MAC, 5, HE_DYNAMIC_SM_PS, "HE-DYNAMIC-SM-PS");
805 PFLAG(MAC, 5, PUNCTURED_SOUNDING, "PUNCTURED-SOUNDING");
806 PFLAG(MAC, 5, HT_VHT_TRIG_FRAME_RX, "HT-VHT-TRIG-FRAME-RX");
807
808 cap = hec->he_cap_elem.phy_cap_info;
809 p += scnprintf(p, buf_sz + buf - p,
810 "PHY CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
811 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5], cap[6],
812 cap[7], cap[8], cap[9], cap[10]);
813
814 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_IN_2G,
815 "CHANNEL-WIDTH-SET-40MHZ-IN-2G");
816 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G,
817 "CHANNEL-WIDTH-SET-40MHZ-80MHZ-IN-5G");
818 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_160MHZ_IN_5G,
819 "CHANNEL-WIDTH-SET-160MHZ-IN-5G");
820 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G,
821 "CHANNEL-WIDTH-SET-80PLUS80-MHZ-IN-5G");
822 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G,
823 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-2G");
824 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G,
825 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-5G");
826
827 switch (cap[1] & IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK) {
828 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ:
829 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-20MHZ");
830 break;
831 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ:
832 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-40MHZ");
833 break;
834 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ:
835 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-20MHZ");
836 break;
837 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ:
838 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-40MHZ");
839 break;
840 }
841
842 PFLAG(PHY, 1, DEVICE_CLASS_A,
843 "IEEE80211-HE-PHY-CAP1-DEVICE-CLASS-A");
844 PFLAG(PHY, 1, LDPC_CODING_IN_PAYLOAD,
845 "LDPC-CODING-IN-PAYLOAD");
846 PFLAG(PHY, 1, HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US,
847 "HY-CAP1-HE-LTF-AND-GI-FOR-HE-PPDUS-0-8US");
848 PRINT("MIDAMBLE-RX-MAX-NSTS-%d", ((cap[2] << 1) | (cap[1] >> 7)) & 0x3);
849
850 PFLAG(PHY, 2, NDP_4x_LTF_AND_3_2US, "NDP-4X-LTF-AND-3-2US");
851 PFLAG(PHY, 2, STBC_TX_UNDER_80MHZ, "STBC-TX-UNDER-80MHZ");
852 PFLAG(PHY, 2, STBC_RX_UNDER_80MHZ, "STBC-RX-UNDER-80MHZ");
853 PFLAG(PHY, 2, DOPPLER_TX, "DOPPLER-TX");
854 PFLAG(PHY, 2, DOPPLER_RX, "DOPPLER-RX");
855 PFLAG(PHY, 2, UL_MU_FULL_MU_MIMO, "UL-MU-FULL-MU-MIMO");
856 PFLAG(PHY, 2, UL_MU_PARTIAL_MU_MIMO, "UL-MU-PARTIAL-MU-MIMO");
857
858 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK) {
859 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM:
860 PRINT("DCM-MAX-CONST-TX-NO-DCM");
861 break;
862 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK:
863 PRINT("DCM-MAX-CONST-TX-BPSK");
864 break;
865 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK:
866 PRINT("DCM-MAX-CONST-TX-QPSK");
867 break;
868 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM:
869 PRINT("DCM-MAX-CONST-TX-16-QAM");
870 break;
871 }
872
873 PFLAG(PHY, 3, DCM_MAX_TX_NSS_1, "DCM-MAX-TX-NSS-1");
874 PFLAG(PHY, 3, DCM_MAX_TX_NSS_2, "DCM-MAX-TX-NSS-2");
875
876 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK) {
877 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM:
878 PRINT("DCM-MAX-CONST-RX-NO-DCM");
879 break;
880 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK:
881 PRINT("DCM-MAX-CONST-RX-BPSK");
882 break;
883 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK:
884 PRINT("DCM-MAX-CONST-RX-QPSK");
885 break;
886 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM:
887 PRINT("DCM-MAX-CONST-RX-16-QAM");
888 break;
889 }
890
891 PFLAG(PHY, 3, DCM_MAX_RX_NSS_1, "DCM-MAX-RX-NSS-1");
892 PFLAG(PHY, 3, DCM_MAX_RX_NSS_2, "DCM-MAX-RX-NSS-2");
893 PFLAG(PHY, 3, RX_PARTIAL_BW_SU_IN_20MHZ_MU,
894 "RX-PARTIAL-BW-SU-IN-20MHZ-MU");
895 PFLAG(PHY, 3, SU_BEAMFORMER, "SU-BEAMFORMER");
896
897 PFLAG(PHY, 4, SU_BEAMFORMEE, "SU-BEAMFORMEE");
898 PFLAG(PHY, 4, MU_BEAMFORMER, "MU-BEAMFORMER");
899
900 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_UNDER_80MHZ, 0, 1, 4,
901 "BEAMFORMEE-MAX-STS-UNDER-%d");
902 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_ABOVE_80MHZ, 0, 1, 4,
903 "BEAMFORMEE-MAX-STS-ABOVE-%d");
904
905 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ, 0, 1, 1,
906 "NUM-SND-DIM-UNDER-80MHZ-%d");
907 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ, 0, 1, 1,
908 "NUM-SND-DIM-ABOVE-80MHZ-%d");
909 PFLAG(PHY, 5, NG16_SU_FEEDBACK, "NG16-SU-FEEDBACK");
910 PFLAG(PHY, 5, NG16_MU_FEEDBACK, "NG16-MU-FEEDBACK");
911
912 PFLAG(PHY, 6, CODEBOOK_SIZE_42_SU, "CODEBOOK-SIZE-42-SU");
913 PFLAG(PHY, 6, CODEBOOK_SIZE_75_MU, "CODEBOOK-SIZE-75-MU");
914 PFLAG(PHY, 6, TRIG_SU_BEAMFORMING_FB, "TRIG-SU-BEAMFORMING-FB");
915 PFLAG(PHY, 6, TRIG_MU_BEAMFORMING_PARTIAL_BW_FB,
916 "MU-BEAMFORMING-PARTIAL-BW-FB");
917 PFLAG(PHY, 6, TRIG_CQI_FB, "TRIG-CQI-FB");
918 PFLAG(PHY, 6, PARTIAL_BW_EXT_RANGE, "PARTIAL-BW-EXT-RANGE");
919 PFLAG(PHY, 6, PARTIAL_BANDWIDTH_DL_MUMIMO,
920 "PARTIAL-BANDWIDTH-DL-MUMIMO");
921 PFLAG(PHY, 6, PPE_THRESHOLD_PRESENT, "PPE-THRESHOLD-PRESENT");
922
923 PFLAG(PHY, 7, PSR_BASED_SR, "PSR-BASED-SR");
924 PFLAG(PHY, 7, POWER_BOOST_FACTOR_SUPP, "POWER-BOOST-FACTOR-SUPP");
925 PFLAG(PHY, 7, HE_SU_MU_PPDU_4XLTF_AND_08_US_GI,
926 "HE-SU-MU-PPDU-4XLTF-AND-08-US-GI");
927 PFLAG_RANGE(PHY, 7, MAX_NC, 0, 1, 1, "MAX-NC-%d");
928 PFLAG(PHY, 7, STBC_TX_ABOVE_80MHZ, "STBC-TX-ABOVE-80MHZ");
929 PFLAG(PHY, 7, STBC_RX_ABOVE_80MHZ, "STBC-RX-ABOVE-80MHZ");
930
931 PFLAG(PHY, 8, HE_ER_SU_PPDU_4XLTF_AND_08_US_GI,
932 "HE-ER-SU-PPDU-4XLTF-AND-08-US-GI");
933 PFLAG(PHY, 8, 20MHZ_IN_40MHZ_HE_PPDU_IN_2G,
934 "20MHZ-IN-40MHZ-HE-PPDU-IN-2G");
935 PFLAG(PHY, 8, 20MHZ_IN_160MHZ_HE_PPDU, "20MHZ-IN-160MHZ-HE-PPDU");
936 PFLAG(PHY, 8, 80MHZ_IN_160MHZ_HE_PPDU, "80MHZ-IN-160MHZ-HE-PPDU");
937 PFLAG(PHY, 8, HE_ER_SU_1XLTF_AND_08_US_GI,
938 "HE-ER-SU-1XLTF-AND-08-US-GI");
939 PFLAG(PHY, 8, MIDAMBLE_RX_TX_2X_AND_1XLTF,
940 "MIDAMBLE-RX-TX-2X-AND-1XLTF");
941
942 switch (cap[8] & IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK) {
943 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242:
944 PRINT("DCM-MAX-RU-242");
945 break;
946 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484:
947 PRINT("DCM-MAX-RU-484");
948 break;
949 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996:
950 PRINT("DCM-MAX-RU-996");
951 break;
952 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996:
953 PRINT("DCM-MAX-RU-2x996");
954 break;
955 }
956
957 PFLAG(PHY, 9, LONGER_THAN_16_SIGB_OFDM_SYM,
958 "LONGER-THAN-16-SIGB-OFDM-SYM");
959 PFLAG(PHY, 9, NON_TRIGGERED_CQI_FEEDBACK,
960 "NON-TRIGGERED-CQI-FEEDBACK");
961 PFLAG(PHY, 9, TX_1024_QAM_LESS_THAN_242_TONE_RU,
962 "TX-1024-QAM-LESS-THAN-242-TONE-RU");
963 PFLAG(PHY, 9, RX_1024_QAM_LESS_THAN_242_TONE_RU,
964 "RX-1024-QAM-LESS-THAN-242-TONE-RU");
965 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB,
966 "RX-FULL-BW-SU-USING-MU-WITH-COMP-SIGB");
967 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB,
968 "RX-FULL-BW-SU-USING-MU-WITH-NON-COMP-SIGB");
969
970 switch (u8_get_bits(cap[9],
971 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK)) {
972 case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US:
973 PRINT("NOMINAL-PACKET-PADDING-0US");
974 break;
975 case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US:
976 PRINT("NOMINAL-PACKET-PADDING-8US");
977 break;
978 case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US:
979 PRINT("NOMINAL-PACKET-PADDING-16US");
980 break;
981 }
982
983 #undef PFLAG_RANGE_DEFAULT
984 #undef PFLAG_RANGE
985 #undef PFLAG
986
987 #define PRINT_NSS_SUPP(f, n) \
988 do { \
989 int _i; \
990 u16 v = le16_to_cpu(nss->f); \
991 p += scnprintf(p, buf_sz + buf - p, n ": %#.4x\n", v); \
992 for (_i = 0; _i < 8; _i += 2) { \
993 switch ((v >> _i) & 0x3) { \
994 case 0: \
995 PRINT(n "-%d-SUPPORT-0-7", _i / 2); \
996 break; \
997 case 1: \
998 PRINT(n "-%d-SUPPORT-0-9", _i / 2); \
999 break; \
1000 case 2: \
1001 PRINT(n "-%d-SUPPORT-0-11", _i / 2); \
1002 break; \
1003 case 3: \
1004 PRINT(n "-%d-NOT-SUPPORTED", _i / 2); \
1005 break; \
1006 } \
1007 } \
1008 } while (0)
1009
1010 PRINT_NSS_SUPP(rx_mcs_80, "RX-MCS-80");
1011 PRINT_NSS_SUPP(tx_mcs_80, "TX-MCS-80");
1012
1013 if (cap[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) {
1014 PRINT_NSS_SUPP(rx_mcs_160, "RX-MCS-160");
1015 PRINT_NSS_SUPP(tx_mcs_160, "TX-MCS-160");
1016 }
1017
1018 if (cap[0] &
1019 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {
1020 PRINT_NSS_SUPP(rx_mcs_80p80, "RX-MCS-80P80");
1021 PRINT_NSS_SUPP(tx_mcs_80p80, "TX-MCS-80P80");
1022 }
1023
1024 #undef PRINT_NSS_SUPP
1025 #undef PRINT
1026
1027 if (!(cap[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT))
1028 goto out;
1029
1030 p += scnprintf(p, buf_sz + buf - p, "PPE-THRESHOLDS: %#.2x",
1031 hec->ppe_thres[0]);
1032
1033 ppe_size = ieee80211_he_ppe_size(hec->ppe_thres[0], cap);
1034 for (i = 1; i < ppe_size; i++) {
1035 p += scnprintf(p, buf_sz + buf - p, " %#.2x",
1036 hec->ppe_thres[i]);
1037 }
1038 p += scnprintf(p, buf_sz + buf - p, "\n");
1039
1040 out:
1041 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
1042 kfree(buf);
1043 return ret;
1044 }
1045 LINK_STA_OPS(he_capa);
1046
1047 static ssize_t link_sta_eht_capa_read(struct file *file, char __user *userbuf,
1048 size_t count, loff_t *ppos)
1049 {
1050 char *buf, *p;
1051 size_t buf_sz = PAGE_SIZE;
1052 struct link_sta_info *link_sta = file->private_data;
1053 struct ieee80211_sta_eht_cap *bec = &link_sta->pub->eht_cap;
1054 struct ieee80211_eht_cap_elem_fixed *fixed = &bec->eht_cap_elem;
1055 struct ieee80211_eht_mcs_nss_supp *nss = &bec->eht_mcs_nss_supp;
1056 u8 *cap;
1057 int i;
1058 ssize_t ret;
1059 static const char *mcs_desc[] = { "0-7", "8-9", "10-11", "12-13"};
1060
1061 buf = kmalloc(buf_sz, GFP_KERNEL);
1062 if (!buf)
1063 return -ENOMEM;
1064 p = buf;
1065
1066 p += scnprintf(p, buf_sz + buf - p, "EHT %ssupported\n",
1067 bec->has_eht ? "" : "not ");
1068 if (!bec->has_eht)
1069 goto out;
1070
1071 p += scnprintf(p, buf_sz + buf - p,
1072 "MAC-CAP: %#.2x %#.2x\n",
1073 fixed->mac_cap_info[0], fixed->mac_cap_info[1]);
1074 p += scnprintf(p, buf_sz + buf - p,
1075 "PHY-CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
1076 fixed->phy_cap_info[0], fixed->phy_cap_info[1],
1077 fixed->phy_cap_info[2], fixed->phy_cap_info[3],
1078 fixed->phy_cap_info[4], fixed->phy_cap_info[5],
1079 fixed->phy_cap_info[6], fixed->phy_cap_info[7],
1080 fixed->phy_cap_info[8]);
1081
1082 #define PRINT(fmt, ...) \
1083 p += scnprintf(p, buf_sz + buf - p, "\t\t" fmt "\n", \
1084 ##__VA_ARGS__)
1085
1086 #define PFLAG(t, n, a, b) \
1087 do { \
1088 if (cap[n] & IEEE80211_EHT_##t##_CAP##n##_##a) \
1089 PRINT("%s", b); \
1090 } while (0)
1091
1092 cap = fixed->mac_cap_info;
1093 PFLAG(MAC, 0, EPCS_PRIO_ACCESS, "EPCS-PRIO-ACCESS");
1094 PFLAG(MAC, 0, OM_CONTROL, "OM-CONTROL");
1095 PFLAG(MAC, 0, TRIG_TXOP_SHARING_MODE1, "TRIG-TXOP-SHARING-MODE1");
1096 PFLAG(MAC, 0, TRIG_TXOP_SHARING_MODE2, "TRIG-TXOP-SHARING-MODE2");
1097 PFLAG(MAC, 0, RESTRICTED_TWT, "RESTRICTED-TWT");
1098 PFLAG(MAC, 0, SCS_TRAFFIC_DESC, "SCS-TRAFFIC-DESC");
1099 switch ((cap[0] & 0xc0) >> 6) {
1100 case IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895:
1101 PRINT("MAX-MPDU-LEN: 3985");
1102 break;
1103 case IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991:
1104 PRINT("MAX-MPDU-LEN: 7991");
1105 break;
1106 case IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454:
1107 PRINT("MAX-MPDU-LEN: 11454");
1108 break;
1109 }
1110
1111 cap = fixed->phy_cap_info;
1112 PFLAG(PHY, 0, 320MHZ_IN_6GHZ, "320MHZ-IN-6GHZ");
1113 PFLAG(PHY, 0, 242_TONE_RU_GT20MHZ, "242-TONE-RU-GT20MHZ");
1114 PFLAG(PHY, 0, NDP_4_EHT_LFT_32_GI, "NDP-4-EHT-LFT-32-GI");
1115 PFLAG(PHY, 0, PARTIAL_BW_UL_MU_MIMO, "PARTIAL-BW-UL-MU-MIMO");
1116 PFLAG(PHY, 0, SU_BEAMFORMER, "SU-BEAMFORMER");
1117 PFLAG(PHY, 0, SU_BEAMFORMEE, "SU-BEAMFORMEE");
1118 i = cap[0] >> 7;
1119 i |= (cap[1] & 0x3) << 1;
1120 PRINT("BEAMFORMEE-80-NSS: %i", i);
1121 PRINT("BEAMFORMEE-160-NSS: %i", (cap[1] >> 2) & 0x7);
1122 PRINT("BEAMFORMEE-320-NSS: %i", (cap[1] >> 5) & 0x7);
1123 PRINT("SOUNDING-DIM-80-NSS: %i", (cap[2] & 0x7));
1124 PRINT("SOUNDING-DIM-160-NSS: %i", (cap[2] >> 3) & 0x7);
1125 i = cap[2] >> 6;
1126 i |= (cap[3] & 0x1) << 3;
1127 PRINT("SOUNDING-DIM-320-NSS: %i", i);
1128
1129 PFLAG(PHY, 3, NG_16_SU_FEEDBACK, "NG-16-SU-FEEDBACK");
1130 PFLAG(PHY, 3, NG_16_MU_FEEDBACK, "NG-16-MU-FEEDBACK");
1131 PFLAG(PHY, 3, CODEBOOK_4_2_SU_FDBK, "CODEBOOK-4-2-SU-FDBK");
1132 PFLAG(PHY, 3, CODEBOOK_7_5_MU_FDBK, "CODEBOOK-7-5-MU-FDBK");
1133 PFLAG(PHY, 3, TRIG_SU_BF_FDBK, "TRIG-SU-BF-FDBK");
1134 PFLAG(PHY, 3, TRIG_MU_BF_PART_BW_FDBK, "TRIG-MU-BF-PART-BW-FDBK");
1135 PFLAG(PHY, 3, TRIG_CQI_FDBK, "TRIG-CQI-FDBK");
1136
1137 PFLAG(PHY, 4, PART_BW_DL_MU_MIMO, "PART-BW-DL-MU-MIMO");
1138 PFLAG(PHY, 4, PSR_SR_SUPP, "PSR-SR-SUPP");
1139 PFLAG(PHY, 4, POWER_BOOST_FACT_SUPP, "POWER-BOOST-FACT-SUPP");
1140 PFLAG(PHY, 4, EHT_MU_PPDU_4_EHT_LTF_08_GI, "EHT-MU-PPDU-4-EHT-LTF-08-GI");
1141 PRINT("MAX_NC: %i", cap[4] >> 4);
1142
1143 PFLAG(PHY, 5, NON_TRIG_CQI_FEEDBACK, "NON-TRIG-CQI-FEEDBACK");
1144 PFLAG(PHY, 5, TX_LESS_242_TONE_RU_SUPP, "TX-LESS-242-TONE-RU-SUPP");
1145 PFLAG(PHY, 5, RX_LESS_242_TONE_RU_SUPP, "RX-LESS-242-TONE-RU-SUPP");
1146 PFLAG(PHY, 5, PPE_THRESHOLD_PRESENT, "PPE_THRESHOLD_PRESENT");
1147 switch (cap[5] >> 4 & 0x3) {
1148 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US:
1149 PRINT("NOMINAL_PKT_PAD: 0us");
1150 break;
1151 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US:
1152 PRINT("NOMINAL_PKT_PAD: 8us");
1153 break;
1154 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US:
1155 PRINT("NOMINAL_PKT_PAD: 16us");
1156 break;
1157 case IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US:
1158 PRINT("NOMINAL_PKT_PAD: 20us");
1159 break;
1160 }
1161 i = cap[5] >> 6;
1162 i |= cap[6] & 0x7;
1163 PRINT("MAX-NUM-SUPP-EHT-LTF: %i", i);
1164 PFLAG(PHY, 5, SUPP_EXTRA_EHT_LTF, "SUPP-EXTRA-EHT-LTF");
1165
1166 i = (cap[6] >> 3) & 0xf;
1167 PRINT("MCS15-SUPP-MASK: %i", i);
1168 PFLAG(PHY, 6, EHT_DUP_6GHZ_SUPP, "EHT-DUP-6GHZ-SUPP");
1169
1170 PFLAG(PHY, 7, 20MHZ_STA_RX_NDP_WIDER_BW, "20MHZ-STA-RX-NDP-WIDER-BW");
1171 PFLAG(PHY, 7, NON_OFDMA_UL_MU_MIMO_80MHZ, "NON-OFDMA-UL-MU-MIMO-80MHZ");
1172 PFLAG(PHY, 7, NON_OFDMA_UL_MU_MIMO_160MHZ, "NON-OFDMA-UL-MU-MIMO-160MHZ");
1173 PFLAG(PHY, 7, NON_OFDMA_UL_MU_MIMO_320MHZ, "NON-OFDMA-UL-MU-MIMO-320MHZ");
1174 PFLAG(PHY, 7, MU_BEAMFORMER_80MHZ, "MU-BEAMFORMER-80MHZ");
1175 PFLAG(PHY, 7, MU_BEAMFORMER_160MHZ, "MU-BEAMFORMER-160MHZ");
1176 PFLAG(PHY, 7, MU_BEAMFORMER_320MHZ, "MU-BEAMFORMER-320MHZ");
1177 PFLAG(PHY, 7, TB_SOUNDING_FDBK_RATE_LIMIT, "TB-SOUNDING-FDBK-RATE-LIMIT");
1178
1179 PFLAG(PHY, 8, RX_1024QAM_WIDER_BW_DL_OFDMA, "RX-1024QAM-WIDER-BW-DL-OFDMA");
1180 PFLAG(PHY, 8, RX_4096QAM_WIDER_BW_DL_OFDMA, "RX-4096QAM-WIDER-BW-DL-OFDMA");
1181
1182 #undef PFLAG
1183
1184 PRINT(""); /* newline */
1185 if (!(link_sta->pub->he_cap.he_cap_elem.phy_cap_info[0] &
1186 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL)) {
1187 u8 *mcs_vals = (u8 *)(&nss->only_20mhz);
1188
1189 for (i = 0; i < 4; i++)
1190 PRINT("EHT bw=20 MHz, max NSS for MCS %s: Rx=%u, Tx=%u",
1191 mcs_desc[i],
1192 mcs_vals[i] & 0xf, mcs_vals[i] >> 4);
1193 } else {
1194 u8 *mcs_vals = (u8 *)(&nss->bw._80);
1195
1196 for (i = 0; i < 3; i++)
1197 PRINT("EHT bw <= 80 MHz, max NSS for MCS %s: Rx=%u, Tx=%u",
1198 mcs_desc[i + 1],
1199 mcs_vals[i] & 0xf, mcs_vals[i] >> 4);
1200
1201 mcs_vals = (u8 *)(&nss->bw._160);
1202 for (i = 0; i < 3; i++)
1203 PRINT("EHT bw <= 160 MHz, max NSS for MCS %s: Rx=%u, Tx=%u",
1204 mcs_desc[i + 1],
1205 mcs_vals[i] & 0xf, mcs_vals[i] >> 4);
1206
1207 mcs_vals = (u8 *)(&nss->bw._320);
1208 for (i = 0; i < 3; i++)
1209 PRINT("EHT bw <= 320 MHz, max NSS for MCS %s: Rx=%u, Tx=%u",
1210 mcs_desc[i + 1],
1211 mcs_vals[i] & 0xf, mcs_vals[i] >> 4);
1212 }
1213
1214 if (cap[5] & IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
1215 u8 ppe_size = ieee80211_eht_ppe_size(bec->eht_ppe_thres[0], cap);
1216
1217 p += scnprintf(p, buf_sz + buf - p, "EHT PPE Thresholds: ");
1218 for (i = 0; i < ppe_size; i++)
1219 p += scnprintf(p, buf_sz + buf - p, "0x%02x ",
1220 bec->eht_ppe_thres[i]);
1221 PRINT(""); /* newline */
1222 }
1223
1224 out:
1225 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
1226 kfree(buf);
1227 return ret;
1228 }
1229 LINK_STA_OPS(eht_capa);
1230
1231 #define DEBUGFS_ADD(name) \
1232 debugfs_create_file(#name, 0400, \
1233 sta->debugfs_dir, sta, &sta_ ##name## _ops)
1234
1235 #define DEBUGFS_ADD_COUNTER(name, field) \
1236 debugfs_create_ulong(#name, 0400, sta->debugfs_dir, &sta->field);
1237
1238 void ieee80211_sta_debugfs_add(struct sta_info *sta)
1239 {
1240 struct ieee80211_local *local = sta->local;
1241 struct ieee80211_sub_if_data *sdata = sta->sdata;
1242 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations;
1243 u8 mac[3*ETH_ALEN];
1244
1245 if (!stations_dir)
1246 return;
1247
1248 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr);
1249
1250 /*
1251 * This might fail due to a race condition:
1252 * When mac80211 unlinks a station, the debugfs entries
1253 * remain, but it is already possible to link a new
1254 * station with the same address which triggers adding
1255 * it to debugfs; therefore, if the old station isn't
1256 * destroyed quickly enough the old station's debugfs
1257 * dir might still be around.
1258 */
1259 sta->debugfs_dir = debugfs_create_dir(mac, stations_dir);
1260
1261 DEBUGFS_ADD(flags);
1262 DEBUGFS_ADD(aid);
1263 DEBUGFS_ADD(num_ps_buf_frames);
1264 DEBUGFS_ADD(last_seq_ctrl);
1265 DEBUGFS_ADD(agg_status);
1266 /* FIXME: Kept here as the statistics are only done on the deflink */
1267 DEBUGFS_ADD_COUNTER(tx_filtered, deflink.status_stats.filtered);
1268
1269 DEBUGFS_ADD(aqm);
1270 DEBUGFS_ADD(airtime);
1271
1272 if (wiphy_ext_feature_isset(local->hw.wiphy,
1273 NL80211_EXT_FEATURE_AQL))
1274 DEBUGFS_ADD(aql);
1275
1276 debugfs_create_xul("driver_buffered_tids", 0400, sta->debugfs_dir,
1277 &sta->driver_buffered_tids);
1278
1279 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs_dir);
1280 }
1281
1282 void ieee80211_sta_debugfs_remove(struct sta_info *sta)
1283 {
1284 debugfs_remove_recursive(sta->debugfs_dir);
1285 sta->debugfs_dir = NULL;
1286 }
1287
1288 #undef DEBUGFS_ADD
1289 #undef DEBUGFS_ADD_COUNTER
1290
1291 #define DEBUGFS_ADD(name) \
1292 debugfs_create_file(#name, 0400, \
1293 link_sta->debugfs_dir, link_sta, &link_sta_ ##name## _ops)
1294 #define DEBUGFS_ADD_COUNTER(name, field) \
1295 debugfs_create_ulong(#name, 0400, link_sta->debugfs_dir, &link_sta->field)
1296
1297 void ieee80211_link_sta_debugfs_add(struct link_sta_info *link_sta)
1298 {
1299 if (WARN_ON(!link_sta->sta->debugfs_dir))
1300 return;
1301
1302 /* For non-MLO, leave the files in the main directory. */
1303 if (link_sta->sta->sta.valid_links) {
1304 char link_dir_name[10];
1305
1306 snprintf(link_dir_name, sizeof(link_dir_name),
1307 "link-%d", link_sta->link_id);
1308
1309 link_sta->debugfs_dir =
1310 debugfs_create_dir(link_dir_name,
1311 link_sta->sta->debugfs_dir);
1312
1313 DEBUGFS_ADD(addr);
1314 } else {
1315 if (WARN_ON(link_sta != &link_sta->sta->deflink))
1316 return;
1317
1318 link_sta->debugfs_dir = link_sta->sta->debugfs_dir;
1319 }
1320
1321 DEBUGFS_ADD(ht_capa);
1322 DEBUGFS_ADD(vht_capa);
1323 DEBUGFS_ADD(he_capa);
1324 DEBUGFS_ADD(eht_capa);
1325
1326 DEBUGFS_ADD_COUNTER(rx_duplicates, rx_stats.num_duplicates);
1327 DEBUGFS_ADD_COUNTER(rx_fragments, rx_stats.fragments);
1328 }
1329
1330 void ieee80211_link_sta_debugfs_remove(struct link_sta_info *link_sta)
1331 {
1332 if (!link_sta->debugfs_dir || !link_sta->sta->debugfs_dir) {
1333 link_sta->debugfs_dir = NULL;
1334 return;
1335 }
1336
1337 if (link_sta->debugfs_dir == link_sta->sta->debugfs_dir) {
1338 WARN_ON(link_sta != &link_sta->sta->deflink);
1339 link_sta->sta->debugfs_dir = NULL;
1340 return;
1341 }
1342
1343 debugfs_remove_recursive(link_sta->debugfs_dir);
1344 link_sta->debugfs_dir = NULL;
1345 }
1346
1347 void ieee80211_link_sta_debugfs_drv_add(struct link_sta_info *link_sta)
1348 {
1349 if (WARN_ON(!link_sta->debugfs_dir))
1350 return;
1351
1352 drv_link_sta_add_debugfs(link_sta->sta->local, link_sta->sta->sdata,
1353 link_sta->pub, link_sta->debugfs_dir);
1354 }
1355
1356 void ieee80211_link_sta_debugfs_drv_remove(struct link_sta_info *link_sta)
1357 {
1358 if (!link_sta->debugfs_dir)
1359 return;
1360
1361 if (WARN_ON(link_sta->debugfs_dir == link_sta->sta->debugfs_dir))
1362 return;
1363
1364 /* Recreate the directory excluding the driver data */
1365 debugfs_remove_recursive(link_sta->debugfs_dir);
1366 link_sta->debugfs_dir = NULL;
1367
1368 ieee80211_link_sta_debugfs_add(link_sta);
1369 }
Kernel DRM miscellaneous fixes and cross-tree changes