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Merge tag 'cramfs_fixes' of git://git.linaro.org/people/nicolas.pitre/linux
[linux-2.6-block.git] / net / mac80211 / debugfs_sta.c
CommitLineData
e9f207f0
JB		 1/*
2 * Copyright 2003-2005 Devicescape Software, Inc.
3 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
4 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
d98ad83e 5 * Copyright 2013-2014 Intel Mobile Communications GmbH
1e0bbeba 6 * Copyright(c) 2016 Intel Deutschland GmbH
80aaa9c1 7 * Copyright (C) 2018 Intel Corporation
e9f207f0
JB		 8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <linux/debugfs.h>
15#include <linux/ieee80211.h>
16#include "ieee80211_i.h"
17#include "debugfs.h"
18#include "debugfs_sta.h"
19#include "sta_info.h"
77d2ece6 20#include "driver-ops.h"
e9f207f0
JB		 21
22/* sta attributtes */
23
07caf9d6 24#define STA_READ(name, field, format_string) \
e9f207f0
JB		 25static ssize_t sta_ ##name## _read(struct file *file, \
26 char __user *userbuf, \
27 size_t count, loff_t *ppos) \
28{ \
e9f207f0 29 struct sta_info *sta = file->private_data; \
07caf9d6
EP		 30 return mac80211_format_buffer(userbuf, count, ppos, \
31 format_string, sta->field); \
e9f207f0 32}
07caf9d6 33#define STA_READ_D(name, field) STA_READ(name, field, "%d\n")
e9f207f0 34
e9f207f0
JB		 35#define STA_OPS(name) \
36static 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) \
43static 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 54STA_FILE(aid, sta.aid, D);
e9f207f0 55
c84387d2
JB		 56static const char * const sta_flag_names[] = {
57#define FLAG(F) [WLAN_STA_##F] = #F
58 FLAG(AUTH),
59 FLAG(ASSOC),
60 FLAG(PS_STA),
61 FLAG(AUTHORIZED),
62 FLAG(SHORT_PREAMBLE),
63 FLAG(WDS),
64 FLAG(CLEAR_PS_FILT),
65 FLAG(MFP),
66 FLAG(BLOCK_BA),
67 FLAG(PS_DRIVER),
68 FLAG(PSPOLL),
69 FLAG(TDLS_PEER),
70 FLAG(TDLS_PEER_AUTH),
71 FLAG(TDLS_INITIATOR),
72 FLAG(TDLS_CHAN_SWITCH),
73 FLAG(TDLS_OFF_CHANNEL),
74 FLAG(TDLS_WIDER_BW),
75 FLAG(UAPSD),
76 FLAG(SP),
77 FLAG(4ADDR_EVENT),
78 FLAG(INSERTED),
79 FLAG(RATE_CONTROL),
80 FLAG(TOFFSET_KNOWN),
81 FLAG(MPSP_OWNER),
82 FLAG(MPSP_RECIPIENT),
83 FLAG(PS_DELIVER),
84#undef FLAG
85};
86
e9f207f0
JB		 87static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
88 size_t count, loff_t *ppos)
89{
c84387d2
JB		 90 char buf[16 * NUM_WLAN_STA_FLAGS], *pos = buf;
91 char *end = buf + sizeof(buf) - 1;
e9f207f0 92 struct sta_info *sta = file->private_data;
c84387d2
JB		 93 unsigned int flg;
94
95 BUILD_BUG_ON(ARRAY_SIZE(sta_flag_names) != NUM_WLAN_STA_FLAGS);
c2c98fde 96
c84387d2
JB		 97 for (flg = 0; flg < NUM_WLAN_STA_FLAGS; flg++) {
98 if (test_sta_flag(sta, flg))
99 pos += scnprintf(pos, end - pos, "%s\n",
100 sta_flag_names[flg]);
101 }
5bade101 102
c84387d2 103 return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
e9f207f0
JB		 104}
105STA_OPS(flags);
106
107static ssize_t sta_num_ps_buf_frames_read(struct file *file,
108 char __user *userbuf,
109 size_t count, loff_t *ppos)
110{
e9f207f0 111 struct sta_info *sta = file->private_data;
948d887d
JB		 112 char buf[17*IEEE80211_NUM_ACS], *p = buf;
113 int ac;
114
115 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
116 p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac,
117 skb_queue_len(&sta->ps_tx_buf[ac]) +
118 skb_queue_len(&sta->tx_filtered[ac]));
119 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
e9f207f0
JB		 120}
121STA_OPS(num_ps_buf_frames);
122
e9f207f0
JB		 123static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
124 size_t count, loff_t *ppos)
125{
5a306f58 126 char buf[15*IEEE80211_NUM_TIDS], *p = buf;
e9f207f0
JB		 127 int i;
128 struct sta_info *sta = file->private_data;
5a306f58 129 for (i = 0; i < IEEE80211_NUM_TIDS; i++)
e9f207f0 130 p += scnprintf(p, sizeof(buf)+buf-p, "%x ",
ba9b07d0 131 le16_to_cpu(sta->last_seq_ctrl[i]));
e9f207f0
JB		 132 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
133 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
134}
135STA_OPS(last_seq_ctrl);
136
8d51dbb8
THJ		 137#define AQM_TXQ_ENTRY_LEN 130
138
139static ssize_t sta_aqm_read(struct file *file, char __user *userbuf,
140 size_t count, loff_t *ppos)
141{
142 struct sta_info *sta = file->private_data;
143 struct ieee80211_local *local = sta->local;
adf8ed01 144 size_t bufsz = AQM_TXQ_ENTRY_LEN * (IEEE80211_NUM_TIDS + 2);
8d51dbb8
THJ		 145 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
146 struct txq_info *txqi;
147 ssize_t rv;
148 int i;
149
150 if (!buf)
151 return -ENOMEM;
152
153 spin_lock_bh(&local->fq.lock);
154 rcu_read_lock();
155
484a54c2
THJ		 156 p += scnprintf(p,
157 bufsz+buf-p,
158 "target %uus interval %uus ecn %s\n",
159 codel_time_to_us(sta->cparams.target),
160 codel_time_to_us(sta->cparams.interval),
161 sta->cparams.ecn ? "yes" : "no");
8d51dbb8
THJ		 162 p += scnprintf(p,
163 bufsz+buf-p,
25b0ba7e 164 "tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets flags\n");
8d51dbb8 165
adf8ed01
JB		 166 for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
167 if (!sta->sta.txq[i])
168 continue;
8d51dbb8
THJ		 169 txqi = to_txq_info(sta->sta.txq[i]);
170 p += scnprintf(p, bufsz+buf-p,
25b0ba7e 171 "%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s)\n",
8d51dbb8
THJ		 172 txqi->txq.tid,
173 txqi->txq.ac,
174 txqi->tin.backlog_bytes,
175 txqi->tin.backlog_packets,
176 txqi->tin.flows,
177 txqi->cstats.drop_count,
178 txqi->cstats.ecn_mark,
179 txqi->tin.overlimit,
180 txqi->tin.collisions,
181 txqi->tin.tx_bytes,
25b0ba7e
BG		 182 txqi->tin.tx_packets,
183 txqi->flags,
184 txqi->flags & (1<<IEEE80211_TXQ_STOP) ? "STOP" : "RUN",
185 txqi->flags & (1<<IEEE80211_TXQ_AMPDU) ? " AMPDU" : "",
186 txqi->flags & (1<<IEEE80211_TXQ_NO_AMSDU) ? " NO-AMSDU" : "");
8d51dbb8
THJ		 187 }
188
189 rcu_read_unlock();
190 spin_unlock_bh(&local->fq.lock);
191
192 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
193 kfree(buf);
194 return rv;
195}
196STA_OPS(aqm);
197
eb2ba62e
RR		 198static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
199 size_t count, loff_t *ppos)
200{
5a306f58 201 char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf;
eb2ba62e
RR		 202 int i;
203 struct sta_info *sta = file->private_data;
dd318575
JB		 204 struct tid_ampdu_rx *tid_rx;
205 struct tid_ampdu_tx *tid_tx;
206
207 rcu_read_lock();
eb2ba62e 208
e0b20f1c 209 p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n",
386aa23d 210 sta->ampdu_mlme.dialog_token_allocator + 1);
e0b20f1c 211 p += scnprintf(p, sizeof(buf) + buf - p,
14b058bb 212 "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n");
dd318575 213
5a306f58 214 for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
b473b8f1
JB		 215 bool tid_rx_valid;
216
dd318575
JB		 217 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]);
218 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]);
b473b8f1 219 tid_rx_valid = test_bit(i, sta->ampdu_mlme.agg_session_valid);
dd318575 220
e0b20f1c 221 p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i);
b473b8f1
JB		 222 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x",
223 tid_rx_valid);
e0b20f1c 224 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
b473b8f1
JB		 225 tid_rx_valid ?
226 sta->ampdu_mlme.tid_rx_token[i] : 0);
e0b20f1c 227 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x",
dd318575 228 tid_rx ? tid_rx->ssn : 0);
386aa23d 229
dd318575 230 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx);
e0b20f1c 231 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
dd318575 232 tid_tx ? tid_tx->dialog_token : 0);
e0b20f1c 233 p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d",
dd318575 234 tid_tx ? skb_queue_len(&tid_tx->pending) : 0);
e0b20f1c 235 p += scnprintf(p, sizeof(buf) + buf - p, "\n");
386aa23d 236 }
dd318575 237 rcu_read_unlock();
eb2ba62e
RR		 238
239 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
240}
a75b4363
JB		 241
242static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf,
243 size_t count, loff_t *ppos)
244{
1e0bbeba 245 char _buf[25] = {}, *buf = _buf;
a75b4363
JB		 246 struct sta_info *sta = file->private_data;
247 bool start, tx;
248 unsigned long tid;
1e0bbeba
SS		 249 char *pos;
250 int ret, timeout = 5000;
a75b4363
JB		 251
252 if (count > sizeof(_buf))
253 return -EINVAL;
254
255 if (copy_from_user(buf, userbuf, count))
256 return -EFAULT;
257
258 buf[sizeof(_buf) - 1] = '\0';
1e0bbeba
SS		 259 pos = buf;
260 buf = strsep(&pos, " ");
261 if (!buf)
262 return -EINVAL;
a75b4363 263
1e0bbeba 264 if (!strcmp(buf, "tx"))
a75b4363 265 tx = true;
1e0bbeba 266 else if (!strcmp(buf, "rx"))
a75b4363 267 tx = false;
1e0bbeba 268 else
a75b4363
JB		 269 return -EINVAL;
270
1e0bbeba
SS		 271 buf = strsep(&pos, " ");
272 if (!buf)
273 return -EINVAL;
274 if (!strcmp(buf, "start")) {
a75b4363
JB		 275 start = true;
276 if (!tx)
277 return -EINVAL;
1e0bbeba 278 } else if (!strcmp(buf, "stop")) {
a75b4363 279 start = false;
1e0bbeba 280 } else {
a75b4363 281 return -EINVAL;
1e0bbeba 282 }
a75b4363 283
1e0bbeba
SS		 284 buf = strsep(&pos, " ");
285 if (!buf)
286 return -EINVAL;
287 if (sscanf(buf, "timeout=%d", &timeout) == 1) {
288 buf = strsep(&pos, " ");
289 if (!buf || !tx || !start)
290 return -EINVAL;
291 }
a75b4363 292
1e0bbeba
SS		 293 ret = kstrtoul(buf, 0, &tid);
294 if (ret || tid >= IEEE80211_NUM_TIDS)
a75b4363
JB		 295 return -EINVAL;
296
297 if (tx) {
298 if (start)
1e0bbeba
SS		 299 ret = ieee80211_start_tx_ba_session(&sta->sta, tid,
300 timeout);
a75b4363 301 else
6a8579d0 302 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid);
a75b4363 303 } else {
53f73c09
JB		 304 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
305 3, true);
a75b4363
JB		 306 ret = 0;
307 }
308
309 return ret ?: count;
310}
311STA_OPS_RW(agg_status);
eb2ba62e 312
64491f0e
JB		 313static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
314 size_t count, loff_t *ppos)
315{
7db94e21
LR		 316#define PRINT_HT_CAP(_cond, _str) \
317 do { \
318 if (_cond) \
319 p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \
320 } while (0)
4c82bf8e 321 char buf[512], *p = buf;
64491f0e
JB		 322 int i;
323 struct sta_info *sta = file->private_data;
324 struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap;
325
326 p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n",
327 htc->ht_supported ? "" : "not ");
328 if (htc->ht_supported) {
cb136f54 329 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap);
7db94e21 330
c15cf5fc 331 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC");
7db94e21
LR		 332 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40");
333 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20");
334
335 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save");
336 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save");
337 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled");
338
339 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield");
340 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI");
341 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI");
342 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC");
343
344 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC");
345 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream");
346 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams");
347 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams");
348
349 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack");
350
7db94e21 351 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: "
904603f9
BG		 352 "3839 bytes");
353 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: "
7db94e21
LR		 354 "7935 bytes");
355
356 /*
357 * For beacons and probe response this would mean the BSS
358 * does or does not allow the usage of DSSS/CCK HT40.
359 * Otherwise it means the STA does or does not use
360 * DSSS/CCK HT40.
361 */
362 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40");
363 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40");
364
365 /* BIT(13) is reserved */
366
367 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant");
368
369 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection");
370
64491f0e
JB		 371 p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n",
372 htc->ampdu_factor, htc->ampdu_density);
373 p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:");
9da3e068 374
64491f0e
JB		 375 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
376 p += scnprintf(p, sizeof(buf)+buf-p, " %.2x",
377 htc->mcs.rx_mask[i]);
9da3e068
LR		 378 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
379
380 /* If not set this is meaningless */
381 if (le16_to_cpu(htc->mcs.rx_highest)) {
382 p += scnprintf(p, sizeof(buf)+buf-p,
383 "MCS rx highest: %d Mbps\n",
384 le16_to_cpu(htc->mcs.rx_highest));
385 }
386
64491f0e
JB		 387 p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n",
388 htc->mcs.tx_params);
389 }
390
391 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
392}
393STA_OPS(ht_capa);
394
90fcba65
JB		 395static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf,
396 size_t count, loff_t *ppos)
397{
0bb7ed42 398 char buf[512], *p = buf;
90fcba65
JB		 399 struct sta_info *sta = file->private_data;
400 struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap;
401
402 p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n",
403 vhtc->vht_supported ? "" : "not ");
404 if (vhtc->vht_supported) {
0bb7ed42
BG		 405 p += scnprintf(p, sizeof(buf) + buf - p, "cap: %#.8x\n",
406 vhtc->cap);
407#define PFLAG(a, b) \
408 do { \
409 if (vhtc->cap & IEEE80211_VHT_CAP_ ## a) \
410 p += scnprintf(p, sizeof(buf) + buf - p, \
411 "\t\t%s\n", b); \
412 } while (0)
413
414 switch (vhtc->cap & 0x3) {
415 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
416 p += scnprintf(p, sizeof(buf) + buf - p,
417 "\t\tMAX-MPDU-3895\n");
418 break;
419 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
420 p += scnprintf(p, sizeof(buf) + buf - p,
421 "\t\tMAX-MPDU-7991\n");
422 break;
423 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
424 p += scnprintf(p, sizeof(buf) + buf - p,
425 "\t\tMAX-MPDU-11454\n");
426 break;
427 default:
428 p += scnprintf(p, sizeof(buf) + buf - p,
429 "\t\tMAX-MPDU-UNKNOWN\n");
9cb05f93 430 }
0bb7ed42
BG		 431 switch (vhtc->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
432 case 0:
433 p += scnprintf(p, sizeof(buf) + buf - p,
434 "\t\t80Mhz\n");
435 break;
436 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
437 p += scnprintf(p, sizeof(buf) + buf - p,
438 "\t\t160Mhz\n");
439 break;
440 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
441 p += scnprintf(p, sizeof(buf) + buf - p,
442 "\t\t80+80Mhz\n");
443 break;
444 default:
445 p += scnprintf(p, sizeof(buf) + buf - p,
446 "\t\tUNKNOWN-MHZ: 0x%x\n",
447 (vhtc->cap >> 2) & 0x3);
9cb05f93 448 }
0bb7ed42
BG		 449 PFLAG(RXLDPC, "RXLDPC");
450 PFLAG(SHORT_GI_80, "SHORT-GI-80");
451 PFLAG(SHORT_GI_160, "SHORT-GI-160");
452 PFLAG(TXSTBC, "TXSTBC");
453 p += scnprintf(p, sizeof(buf) + buf - p,
454 "\t\tRXSTBC_%d\n", (vhtc->cap >> 8) & 0x7);
455 PFLAG(SU_BEAMFORMER_CAPABLE, "SU-BEAMFORMER-CAPABLE");
456 PFLAG(SU_BEAMFORMEE_CAPABLE, "SU-BEAMFORMEE-CAPABLE");
457 p += scnprintf(p, sizeof(buf) + buf - p,
458 "\t\tBEAMFORMEE-STS: 0x%x\n",
459 (vhtc->cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK) >>
460 IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
461 p += scnprintf(p, sizeof(buf) + buf - p,
462 "\t\tSOUNDING-DIMENSIONS: 0x%x\n",
463 (vhtc->cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK)
464 >> IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT);
465 PFLAG(MU_BEAMFORMER_CAPABLE, "MU-BEAMFORMER-CAPABLE");
466 PFLAG(MU_BEAMFORMEE_CAPABLE, "MU-BEAMFORMEE-CAPABLE");
467 PFLAG(VHT_TXOP_PS, "TXOP-PS");
468 PFLAG(HTC_VHT, "HTC-VHT");
469 p += scnprintf(p, sizeof(buf) + buf - p,
470 "\t\tMPDU-LENGTH-EXPONENT: 0x%x\n",
471 (vhtc->cap & IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
472 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT);
473 PFLAG(VHT_LINK_ADAPTATION_VHT_UNSOL_MFB,
474 "LINK-ADAPTATION-VHT-UNSOL-MFB");
475 p += scnprintf(p, sizeof(buf) + buf - p,
476 "\t\tLINK-ADAPTATION-VHT-MRQ-MFB: 0x%x\n",
477 (vhtc->cap & IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB) >> 26);
478 PFLAG(RX_ANTENNA_PATTERN, "RX-ANTENNA-PATTERN");
479 PFLAG(TX_ANTENNA_PATTERN, "TX-ANTENNA-PATTERN");
90fcba65
JB		 480
481 p += scnprintf(p, sizeof(buf)+buf-p, "RX MCS: %.4x\n",
482 le16_to_cpu(vhtc->vht_mcs.rx_mcs_map));
483 if (vhtc->vht_mcs.rx_highest)
484 p += scnprintf(p, sizeof(buf)+buf-p,
485 "MCS RX highest: %d Mbps\n",
486 le16_to_cpu(vhtc->vht_mcs.rx_highest));
487 p += scnprintf(p, sizeof(buf)+buf-p, "TX MCS: %.4x\n",
488 le16_to_cpu(vhtc->vht_mcs.tx_mcs_map));
489 if (vhtc->vht_mcs.tx_highest)
490 p += scnprintf(p, sizeof(buf)+buf-p,
491 "MCS TX highest: %d Mbps\n",
492 le16_to_cpu(vhtc->vht_mcs.tx_highest));
80aaa9c1 493#undef PFLAG
90fcba65
JB		 494 }
495
496 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
497}
498STA_OPS(vht_capa);
499
80aaa9c1
IY		 500static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf,
501 size_t count, loff_t *ppos)
502{
503 char *buf, *p;
504 size_t buf_sz = PAGE_SIZE;
505 struct sta_info *sta = file->private_data;
506 struct ieee80211_sta_he_cap *hec = &sta->sta.he_cap;
507 struct ieee80211_he_mcs_nss_supp *nss = &hec->he_mcs_nss_supp;
508 u8 ppe_size;
509 u8 *cap;
510 int i;
511 ssize_t ret;
512
513 buf = kmalloc(buf_sz, GFP_KERNEL);
514 if (!buf)
515 return -ENOMEM;
516 p = buf;
517
518 p += scnprintf(p, buf_sz + buf - p, "HE %ssupported\n",
519 hec->has_he ? "" : "not ");
520 if (!hec->has_he)
521 goto out;
522
523 cap = hec->he_cap_elem.mac_cap_info;
524 p += scnprintf(p, buf_sz + buf - p,
add7453a
ST		 525 "MAC-CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
526 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5]);
80aaa9c1
IY		 527
528#define PRINT(fmt, ...) \
529 p += scnprintf(p, buf_sz + buf - p, "\t\t" fmt "\n", \
530 ##__VA_ARGS__)
531
532#define PFLAG(t, n, a, b) \
533 do { \
534 if (cap[n] & IEEE80211_HE_##t##_CAP##n##_##a) \
535 PRINT("%s", b); \
536 } while (0)
537
538#define PFLAG_RANGE(t, i, n, s, m, off, fmt) \
539 do { \
540 u8 msk = IEEE80211_HE_##t##_CAP##i##_##n##_MASK; \
541 u8 idx = ((cap[i] & msk) >> (ffs(msk) - 1)) + off; \
542 PRINT(fmt, (s << idx) + (m * idx)); \
543 } while (0)
544
545#define PFLAG_RANGE_DEFAULT(t, i, n, s, m, off, fmt, a, b) \
546 do { \
547 if (cap[i] == IEEE80211_HE_##t ##_CAP##i##_##n##_##a) { \
548 PRINT("%s", b); \
549 break; \
550 } \
551 PFLAG_RANGE(t, i, n, s, m, off, fmt); \
552 } while (0)
553
554 PFLAG(MAC, 0, HTC_HE, "HTC-HE");
555 PFLAG(MAC, 0, TWT_REQ, "TWT-REQ");
556 PFLAG(MAC, 0, TWT_RES, "TWT-RES");
557 PFLAG_RANGE_DEFAULT(MAC, 0, DYNAMIC_FRAG, 0, 1, 0,
558 "DYNAMIC-FRAG-LEVEL-%d", NOT_SUPP, "NOT-SUPP");
559 PFLAG_RANGE_DEFAULT(MAC, 0, MAX_NUM_FRAG_MSDU, 1, 0, 0,
560 "MAX-NUM-FRAG-MSDU-%d", UNLIMITED, "UNLIMITED");
561
562 PFLAG_RANGE_DEFAULT(MAC, 1, MIN_FRAG_SIZE, 128, 0, -1,
563 "MIN-FRAG-SIZE-%d", UNLIMITED, "UNLIMITED");
564 PFLAG_RANGE_DEFAULT(MAC, 1, TF_MAC_PAD_DUR, 0, 8, 0,
565 "TF-MAC-PAD-DUR-%dUS", MASK, "UNKNOWN");
add7453a
ST		 566 PFLAG_RANGE(MAC, 1, MULTI_TID_AGG_RX_QOS, 0, 1, 1,
567 "MULTI-TID-AGG-RX-QOS-%d");
80aaa9c1
IY		 568
569 if (cap[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) {
570 switch (((cap[2] << 1) | (cap[1] >> 7)) & 0x3) {
571 case 0:
572 PRINT("LINK-ADAPTATION-NO-FEEDBACK");
573 break;
574 case 1:
575 PRINT("LINK-ADAPTATION-RESERVED");
576 break;
577 case 2:
578 PRINT("LINK-ADAPTATION-UNSOLICITED-FEEDBACK");
579 break;
580 case 3:
581 PRINT("LINK-ADAPTATION-BOTH");
582 break;
583 }
584 }
585
586 PFLAG(MAC, 2, ALL_ACK, "ALL-ACK");
add7453a 587 PFLAG(MAC, 2, TRS, "TRS");
80aaa9c1
IY		 588 PFLAG(MAC, 2, BSR, "BSR");
589 PFLAG(MAC, 2, BCAST_TWT, "BCAST-TWT");
590 PFLAG(MAC, 2, 32BIT_BA_BITMAP, "32BIT-BA-BITMAP");
591 PFLAG(MAC, 2, MU_CASCADING, "MU-CASCADING");
592 PFLAG(MAC, 2, ACK_EN, "ACK-EN");
593
80aaa9c1
IY		 594 PFLAG(MAC, 3, OMI_CONTROL, "OMI-CONTROL");
595 PFLAG(MAC, 3, OFDMA_RA, "OFDMA-RA");
596
add7453a
ST		 597 switch (cap[3] & IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK) {
598 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT:
599 PRINT("MAX-AMPDU-LEN-EXP-USE-VHT");
80aaa9c1 600 break;
add7453a
ST		 601 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1:
602 PRINT("MAX-AMPDU-LEN-EXP-VHT-1");
80aaa9c1 603 break;
add7453a
ST		 604 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2:
605 PRINT("MAX-AMPDU-LEN-EXP-VHT-2");
80aaa9c1 606 break;
add7453a
ST		 607 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED:
608 PRINT("MAX-AMPDU-LEN-EXP-RESERVED");
80aaa9c1
IY		 609 break;
610 }
611
add7453a 612 PFLAG(MAC, 3, AMSDU_FRAG, "AMSDU-FRAG");
80aaa9c1
IY		 613 PFLAG(MAC, 3, FLEX_TWT_SCHED, "FLEX-TWT-SCHED");
614 PFLAG(MAC, 3, RX_CTRL_FRAME_TO_MULTIBSS, "RX-CTRL-FRAME-TO-MULTIBSS");
615
616 PFLAG(MAC, 4, BSRP_BQRP_A_MPDU_AGG, "BSRP-BQRP-A-MPDU-AGG");
617 PFLAG(MAC, 4, QTP, "QTP");
618 PFLAG(MAC, 4, BQR, "BQR");
add7453a 619 PFLAG(MAC, 4, SRP_RESP, "SRP-RESP");
80aaa9c1
IY		 620 PFLAG(MAC, 4, NDP_FB_REP, "NDP-FB-REP");
621 PFLAG(MAC, 4, OPS, "OPS");
622 PFLAG(MAC, 4, AMDSU_IN_AMPDU, "AMSDU-IN-AMPDU");
623
add7453a
ST		 624 PRINT("MULTI-TID-AGG-TX-QOS-%d", ((cap[5] << 1) | (cap[4] >> 7)) & 0x7);
625
626 PFLAG(MAC, 5, SUBCHAN_SELECVITE_TRANSMISSION,
627 "SUBCHAN-SELECVITE-TRANSMISSION");
628 PFLAG(MAC, 5, UL_2x996_TONE_RU, "UL-2x996-TONE-RU");
629 PFLAG(MAC, 5, OM_CTRL_UL_MU_DATA_DIS_RX, "OM-CTRL-UL-MU-DATA-DIS-RX");
630
80aaa9c1
IY		 631 cap = hec->he_cap_elem.phy_cap_info;
632 p += scnprintf(p, buf_sz + buf - p,
add7453a 633 "PHY CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
80aaa9c1 634 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5], cap[6],
add7453a 635 cap[7], cap[8], cap[9], cap[10]);
80aaa9c1
IY		 636
637 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_IN_2G,
638 "CHANNEL-WIDTH-SET-40MHZ-IN-2G");
639 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G,
640 "CHANNEL-WIDTH-SET-40MHZ-80MHZ-IN-5G");
641 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_160MHZ_IN_5G,
642 "CHANNEL-WIDTH-SET-160MHZ-IN-5G");
643 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G,
644 "CHANNEL-WIDTH-SET-80PLUS80-MHZ-IN-5G");
645 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G,
646 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-2G");
647 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G,
648 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-5G");
649
650 switch (cap[1] & IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK) {
651 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ:
652 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-20MHZ");
653 break;
654 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ:
655 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-40MHZ");
656 break;
657 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ:
658 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-20MHZ");
659 break;
660 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ:
661 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-40MHZ");
662 break;
663 }
664
665 PFLAG(PHY, 1, DEVICE_CLASS_A,
666 "IEEE80211-HE-PHY-CAP1-DEVICE-CLASS-A");
667 PFLAG(PHY, 1, LDPC_CODING_IN_PAYLOAD,
668 "LDPC-CODING-IN-PAYLOAD");
669 PFLAG(PHY, 1, HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US,
670 "HY-CAP1-HE-LTF-AND-GI-FOR-HE-PPDUS-0-8US");
671 PRINT("MIDAMBLE-RX-MAX-NSTS-%d", ((cap[2] << 1) | (cap[1] >> 7)) & 0x3);
672
673 PFLAG(PHY, 2, NDP_4x_LTF_AND_3_2US, "NDP-4X-LTF-AND-3-2US");
674 PFLAG(PHY, 2, STBC_TX_UNDER_80MHZ, "STBC-TX-UNDER-80MHZ");
675 PFLAG(PHY, 2, STBC_RX_UNDER_80MHZ, "STBC-RX-UNDER-80MHZ");
676 PFLAG(PHY, 2, DOPPLER_TX, "DOPPLER-TX");
677 PFLAG(PHY, 2, DOPPLER_RX, "DOPPLER-RX");
678 PFLAG(PHY, 2, UL_MU_FULL_MU_MIMO, "UL-MU-FULL-MU-MIMO");
679 PFLAG(PHY, 2, UL_MU_PARTIAL_MU_MIMO, "UL-MU-PARTIAL-MU-MIMO");
680
681 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK) {
682 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM:
683 PRINT("DCM-MAX-CONST-TX-NO-DCM");
684 break;
685 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK:
686 PRINT("DCM-MAX-CONST-TX-BPSK");
687 break;
688 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK:
689 PRINT("DCM-MAX-CONST-TX-QPSK");
690 break;
691 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM:
692 PRINT("DCM-MAX-CONST-TX-16-QAM");
693 break;
694 }
695
696 PFLAG(PHY, 3, DCM_MAX_TX_NSS_1, "DCM-MAX-TX-NSS-1");
697 PFLAG(PHY, 3, DCM_MAX_TX_NSS_2, "DCM-MAX-TX-NSS-2");
698
699 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK) {
700 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM:
701 PRINT("DCM-MAX-CONST-RX-NO-DCM");
702 break;
703 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK:
704 PRINT("DCM-MAX-CONST-RX-BPSK");
705 break;
706 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK:
707 PRINT("DCM-MAX-CONST-RX-QPSK");
708 break;
709 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM:
710 PRINT("DCM-MAX-CONST-RX-16-QAM");
711 break;
712 }
713
714 PFLAG(PHY, 3, DCM_MAX_RX_NSS_1, "DCM-MAX-RX-NSS-1");
715 PFLAG(PHY, 3, DCM_MAX_RX_NSS_2, "DCM-MAX-RX-NSS-2");
716 PFLAG(PHY, 3, RX_HE_MU_PPDU_FROM_NON_AP_STA,
717 "RX-HE-MU-PPDU-FROM-NON-AP-STA");
718 PFLAG(PHY, 3, SU_BEAMFORMER, "SU-BEAMFORMER");
719
720 PFLAG(PHY, 4, SU_BEAMFORMEE, "SU-BEAMFORMEE");
721 PFLAG(PHY, 4, MU_BEAMFORMER, "MU-BEAMFORMER");
722
723 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_UNDER_80MHZ, 0, 1, 4,
724 "BEAMFORMEE-MAX-STS-UNDER-%d");
725 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_ABOVE_80MHZ, 0, 1, 4,
726 "BEAMFORMEE-MAX-STS-ABOVE-%d");
727
728 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ, 0, 1, 1,
729 "NUM-SND-DIM-UNDER-80MHZ-%d");
730 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ, 0, 1, 1,
731 "NUM-SND-DIM-ABOVE-80MHZ-%d");
732 PFLAG(PHY, 5, NG16_SU_FEEDBACK, "NG16-SU-FEEDBACK");
733 PFLAG(PHY, 5, NG16_MU_FEEDBACK, "NG16-MU-FEEDBACK");
734
735 PFLAG(PHY, 6, CODEBOOK_SIZE_42_SU, "CODEBOOK-SIZE-42-SU");
736 PFLAG(PHY, 6, CODEBOOK_SIZE_75_MU, "CODEBOOK-SIZE-75-MU");
737 PFLAG(PHY, 6, TRIG_SU_BEAMFORMER_FB, "TRIG-SU-BEAMFORMER-FB");
738 PFLAG(PHY, 6, TRIG_MU_BEAMFORMER_FB, "TRIG-MU-BEAMFORMER-FB");
739 PFLAG(PHY, 6, TRIG_CQI_FB, "TRIG-CQI-FB");
740 PFLAG(PHY, 6, PARTIAL_BW_EXT_RANGE, "PARTIAL-BW-EXT-RANGE");
741 PFLAG(PHY, 6, PARTIAL_BANDWIDTH_DL_MUMIMO,
742 "PARTIAL-BANDWIDTH-DL-MUMIMO");
743 PFLAG(PHY, 6, PPE_THRESHOLD_PRESENT, "PPE-THRESHOLD-PRESENT");
744
745 PFLAG(PHY, 7, SRP_BASED_SR, "SRP-BASED-SR");
746 PFLAG(PHY, 7, POWER_BOOST_FACTOR_AR, "POWER-BOOST-FACTOR-AR");
747 PFLAG(PHY, 7, HE_SU_MU_PPDU_4XLTF_AND_08_US_GI,
748 "HE-SU-MU-PPDU-4XLTF-AND-08-US-GI");
749 PFLAG_RANGE(PHY, 7, MAX_NC, 0, 1, 1, "MAX-NC-%d");
750 PFLAG(PHY, 7, STBC_TX_ABOVE_80MHZ, "STBC-TX-ABOVE-80MHZ");
751 PFLAG(PHY, 7, STBC_RX_ABOVE_80MHZ, "STBC-RX-ABOVE-80MHZ");
752
753 PFLAG(PHY, 8, HE_ER_SU_PPDU_4XLTF_AND_08_US_GI,
754 "HE-ER-SU-PPDU-4XLTF-AND-08-US-GI");
755 PFLAG(PHY, 8, 20MHZ_IN_40MHZ_HE_PPDU_IN_2G,
756 "20MHZ-IN-40MHZ-HE-PPDU-IN-2G");
757 PFLAG(PHY, 8, 20MHZ_IN_160MHZ_HE_PPDU, "20MHZ-IN-160MHZ-HE-PPDU");
758 PFLAG(PHY, 8, 80MHZ_IN_160MHZ_HE_PPDU, "80MHZ-IN-160MHZ-HE-PPDU");
759 PFLAG(PHY, 8, HE_ER_SU_1XLTF_AND_08_US_GI,
760 "HE-ER-SU-1XLTF-AND-08-US-GI");
add7453a
ST		 761 PFLAG(PHY, 8, MIDAMBLE_RX_TX_2X_AND_1XLTF,
762 "MIDAMBLE-RX-TX-2X-AND-1XLTF");
763
764 switch (cap[8] & IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_MASK) {
765 case IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_20MHZ:
766 PRINT("DDCM-MAX-BW-20MHZ");
767 break;
768 case IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_40MHZ:
769 PRINT("DCM-MAX-BW-40MHZ");
770 break;
771 case IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_80MHZ:
772 PRINT("DCM-MAX-BW-80MHZ");
773 break;
774 case IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_160_OR_80P80_MHZ:
775 PRINT("DCM-MAX-BW-160-OR-80P80-MHZ");
776 break;
777 }
778
779 PFLAG(PHY, 9, LONGER_THAN_16_SIGB_OFDM_SYM,
780 "LONGER-THAN-16-SIGB-OFDM-SYM");
781 PFLAG(PHY, 9, NON_TRIGGERED_CQI_FEEDBACK,
782 "NON-TRIGGERED-CQI-FEEDBACK");
783 PFLAG(PHY, 9, TX_1024_QAM_LESS_THAN_242_TONE_RU,
784 "TX-1024-QAM-LESS-THAN-242-TONE-RU");
785 PFLAG(PHY, 9, RX_1024_QAM_LESS_THAN_242_TONE_RU,
786 "RX-1024-QAM-LESS-THAN-242-TONE-RU");
787 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB,
788 "RX-FULL-BW-SU-USING-MU-WITH-COMP-SIGB");
789 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB,
790 "RX-FULL-BW-SU-USING-MU-WITH-NON-COMP-SIGB");
80aaa9c1
IY		 791
792#undef PFLAG_RANGE_DEFAULT
793#undef PFLAG_RANGE
794#undef PFLAG
795
796#define PRINT_NSS_SUPP(f, n) \
797 do { \
798 int i; \
799 u16 v = le16_to_cpu(nss->f); \
800 p += scnprintf(p, buf_sz + buf - p, n ": %#.4x\n", v); \
801 for (i = 0; i < 8; i += 2) { \
802 switch ((v >> i) & 0x3) { \
803 case 0: \
804 PRINT(n "-%d-SUPPORT-0-7", i / 2); \
805 break; \
806 case 1: \
807 PRINT(n "-%d-SUPPORT-0-9", i / 2); \
808 break; \
809 case 2: \
810 PRINT(n "-%d-SUPPORT-0-11", i / 2); \
811 break; \
812 case 3: \
813 PRINT(n "-%d-NOT-SUPPORTED", i / 2); \
814 break; \
815 } \
816 } \
817 } while (0)
818
819 PRINT_NSS_SUPP(rx_mcs_80, "RX-MCS-80");
820 PRINT_NSS_SUPP(tx_mcs_80, "TX-MCS-80");
821
822 if (cap[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) {
823 PRINT_NSS_SUPP(rx_mcs_160, "RX-MCS-160");
824 PRINT_NSS_SUPP(tx_mcs_160, "TX-MCS-160");
825 }
826
827 if (cap[0] &
828 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {
829 PRINT_NSS_SUPP(rx_mcs_80p80, "RX-MCS-80P80");
830 PRINT_NSS_SUPP(tx_mcs_80p80, "TX-MCS-80P80");
831 }
832
833#undef PRINT_NSS_SUPP
834#undef PRINT
835
836 if (!(cap[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT))
837 goto out;
838
839 p += scnprintf(p, buf_sz + buf - p, "PPE-THRESHOLDS: %#.2x",
840 hec->ppe_thres[0]);
841
842 ppe_size = ieee80211_he_ppe_size(hec->ppe_thres[0], cap);
843 for (i = 1; i < ppe_size; i++) {
844 p += scnprintf(p, buf_sz + buf - p, " %#.2x",
845 hec->ppe_thres[i]);
846 }
847 p += scnprintf(p, buf_sz + buf - p, "\n");
848
849out:
850 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
851 kfree(buf);
852 return ret;
853}
854STA_OPS(he_capa);
1f2e651c 855
e9f207f0 856#define DEBUGFS_ADD(name) \
7bcfaf2f 857 debugfs_create_file(#name, 0400, \
fc4a25c5 858 sta->debugfs_dir, sta, &sta_ ##name## _ops);
e9f207f0 859
2826bcd8
FF		 860#define DEBUGFS_ADD_COUNTER(name, field) \
861 if (sizeof(sta->field) == sizeof(u32)) \
fc4a25c5 862 debugfs_create_u32(#name, 0400, sta->debugfs_dir, \
2826bcd8
FF		 863 (u32 *) &sta->field); \
864 else \
fc4a25c5 865 debugfs_create_u64(#name, 0400, sta->debugfs_dir, \
2826bcd8 866 (u64 *) &sta->field);
e9f207f0
JB		 867
868void ieee80211_sta_debugfs_add(struct sta_info *sta)
869{
77d2ece6
SM		 870 struct ieee80211_local *local = sta->local;
871 struct ieee80211_sub_if_data *sdata = sta->sdata;
295bafb4 872 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations;
0c68ae26 873 u8 mac[3*ETH_ALEN];
e9f207f0
JB		 874
875 if (!stations_dir)
876 return;
877
0c68ae26 878 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr);
e9f207f0 879
63044e9f
JB		 880 /*
881 * This might fail due to a race condition:
882 * When mac80211 unlinks a station, the debugfs entries
883 * remain, but it is already possible to link a new
884 * station with the same address which triggers adding
885 * it to debugfs; therefore, if the old station isn't
886 * destroyed quickly enough the old station's debugfs
887 * dir might still be around.
888 */
fc4a25c5
JB		 889 sta->debugfs_dir = debugfs_create_dir(mac, stations_dir);
890 if (!sta->debugfs_dir)
e9f207f0
JB		 891 return;
892
893 DEBUGFS_ADD(flags);
bddb2afc 894 DEBUGFS_ADD(aid);
e9f207f0 895 DEBUGFS_ADD(num_ps_buf_frames);
e9f207f0 896 DEBUGFS_ADD(last_seq_ctrl);
eb2ba62e 897 DEBUGFS_ADD(agg_status);
64491f0e 898 DEBUGFS_ADD(ht_capa);
90fcba65 899 DEBUGFS_ADD(vht_capa);
80aaa9c1 900 DEBUGFS_ADD(he_capa);
2826bcd8 901
e5a9f8d0
JB		 902 DEBUGFS_ADD_COUNTER(rx_duplicates, rx_stats.num_duplicates);
903 DEBUGFS_ADD_COUNTER(rx_fragments, rx_stats.fragments);
904 DEBUGFS_ADD_COUNTER(tx_filtered, status_stats.filtered);
77d2ece6 905
8d51dbb8
THJ		 906 if (local->ops->wake_tx_queue)
907 DEBUGFS_ADD(aqm);
908
7cf1f14e
JB		 909 if (sizeof(sta->driver_buffered_tids) == sizeof(u32))
910 debugfs_create_x32("driver_buffered_tids", 0400,
fc4a25c5 911 sta->debugfs_dir,
7cf1f14e
JB		 912 (u32 *)&sta->driver_buffered_tids);
913 else
914 debugfs_create_x64("driver_buffered_tids", 0400,
fc4a25c5 915 sta->debugfs_dir,
7cf1f14e
JB		 916 (u64 *)&sta->driver_buffered_tids);
917
fc4a25c5 918 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs_dir);
e9f207f0
JB		 919}
920
921void ieee80211_sta_debugfs_remove(struct sta_info *sta)
922{
fc4a25c5
JB		 923 debugfs_remove_recursive(sta->debugfs_dir);
924 sta->debugfs_dir = NULL;
e9f207f0 925}
Linux 6.x block layer and io_uring tree(s)