1 // SPDX-License-Identifier: GPL-2.0-only
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 - 2021 Intel Corporation
11 #include <linux/debugfs.h>
12 #include <linux/ieee80211.h>
13 #include "ieee80211_i.h"
15 #include "debugfs_sta.h"
17 #include "driver-ops.h"
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) \
26 struct sta_info *sta = file->private_data; \
27 return mac80211_format_buffer(userbuf, count, ppos, \
28 format_string, sta->field); \
30 #define STA_READ_D(name, field) STA_READ(name, field, "%d\n")
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, \
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, \
47 #define STA_FILE(name, field, format) \
48 STA_READ_##format(name, field) \
51 STA_FILE(aid, sta.aid, D);
53 static const char * const sta_flag_names[] = {
54 #define FLAG(F) [WLAN_STA_##F] = #F
69 FLAG(TDLS_CHAN_SWITCH),
70 FLAG(TDLS_OFF_CHANNEL),
81 FLAG(USES_ENCRYPTION),
86 static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
87 size_t count, loff_t *ppos)
89 char buf[16 * NUM_WLAN_STA_FLAGS], *pos = buf;
90 char *end = buf + sizeof(buf) - 1;
91 struct sta_info *sta = file->private_data;
94 BUILD_BUG_ON(ARRAY_SIZE(sta_flag_names) != NUM_WLAN_STA_FLAGS);
96 for (flg = 0; flg < NUM_WLAN_STA_FLAGS; flg++) {
97 if (test_sta_flag(sta, flg))
98 pos += scnprintf(pos, end - pos, "%s\n",
102 return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
106 static ssize_t sta_num_ps_buf_frames_read(struct file *file,
107 char __user *userbuf,
108 size_t count, loff_t *ppos)
110 struct sta_info *sta = file->private_data;
111 char buf[17*IEEE80211_NUM_ACS], *p = buf;
114 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
115 p += scnprintf(p, sizeof(buf)+buf-p, "AC%d: %d\n", ac,
116 skb_queue_len(&sta->ps_tx_buf[ac]) +
117 skb_queue_len(&sta->tx_filtered[ac]));
118 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
120 STA_OPS(num_ps_buf_frames);
122 static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
123 size_t count, loff_t *ppos)
125 char buf[15*IEEE80211_NUM_TIDS], *p = buf;
127 struct sta_info *sta = file->private_data;
128 for (i = 0; i < IEEE80211_NUM_TIDS; i++)
129 p += scnprintf(p, sizeof(buf)+buf-p, "%x ",
130 le16_to_cpu(sta->last_seq_ctrl[i]));
131 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
132 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
134 STA_OPS(last_seq_ctrl);
136 #define AQM_TXQ_ENTRY_LEN 130
138 static ssize_t sta_aqm_read(struct file *file, char __user *userbuf,
139 size_t count, loff_t *ppos)
141 struct sta_info *sta = file->private_data;
142 struct ieee80211_local *local = sta->local;
143 size_t bufsz = AQM_TXQ_ENTRY_LEN * (IEEE80211_NUM_TIDS + 2);
144 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
145 struct txq_info *txqi;
152 spin_lock_bh(&local->fq.lock);
157 "target %uus interval %uus ecn %s\n",
158 codel_time_to_us(sta->cparams.target),
159 codel_time_to_us(sta->cparams.interval),
160 sta->cparams.ecn ? "yes" : "no");
163 "tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets flags\n");
165 for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
166 if (!sta->sta.txq[i])
168 txqi = to_txq_info(sta->sta.txq[i]);
169 p += scnprintf(p, bufsz + buf - p,
170 "%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s%s)\n",
173 txqi->tin.backlog_bytes,
174 txqi->tin.backlog_packets,
176 txqi->cstats.drop_count,
177 txqi->cstats.ecn_mark,
179 txqi->tin.collisions,
181 txqi->tin.tx_packets,
183 test_bit(IEEE80211_TXQ_STOP, &txqi->flags) ? "STOP" : "RUN",
184 test_bit(IEEE80211_TXQ_AMPDU, &txqi->flags) ? " AMPDU" : "",
185 test_bit(IEEE80211_TXQ_NO_AMSDU, &txqi->flags) ? " NO-AMSDU" : "",
186 test_bit(IEEE80211_TXQ_DIRTY, &txqi->flags) ? " DIRTY" : "");
190 spin_unlock_bh(&local->fq.lock);
192 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
198 static ssize_t sta_airtime_read(struct file *file, char __user *userbuf,
199 size_t count, loff_t *ppos)
201 struct sta_info *sta = file->private_data;
202 struct ieee80211_local *local = sta->sdata->local;
204 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
205 u64 rx_airtime = 0, tx_airtime = 0;
206 s32 deficit[IEEE80211_NUM_ACS];
213 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
214 spin_lock_bh(&local->active_txq_lock[ac]);
215 rx_airtime += sta->airtime[ac].rx_airtime;
216 tx_airtime += sta->airtime[ac].tx_airtime;
217 deficit[ac] = sta->airtime[ac].deficit;
218 spin_unlock_bh(&local->active_txq_lock[ac]);
221 p += scnprintf(p, bufsz + buf - p,
222 "RX: %llu us\nTX: %llu us\nWeight: %u\n"
223 "Deficit: VO: %d us VI: %d us BE: %d us BK: %d us\n",
224 rx_airtime, tx_airtime, sta->airtime_weight,
225 deficit[0], deficit[1], deficit[2], deficit[3]);
227 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
232 static ssize_t sta_airtime_write(struct file *file, const char __user *userbuf,
233 size_t count, loff_t *ppos)
235 struct sta_info *sta = file->private_data;
236 struct ieee80211_local *local = sta->sdata->local;
239 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
240 spin_lock_bh(&local->active_txq_lock[ac]);
241 sta->airtime[ac].rx_airtime = 0;
242 sta->airtime[ac].tx_airtime = 0;
243 sta->airtime[ac].deficit = sta->airtime_weight;
244 spin_unlock_bh(&local->active_txq_lock[ac]);
251 static ssize_t sta_aql_read(struct file *file, char __user *userbuf,
252 size_t count, loff_t *ppos)
254 struct sta_info *sta = file->private_data;
255 struct ieee80211_local *local = sta->sdata->local;
257 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
258 u32 q_depth[IEEE80211_NUM_ACS];
259 u32 q_limit_l[IEEE80211_NUM_ACS], q_limit_h[IEEE80211_NUM_ACS];
266 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
267 spin_lock_bh(&local->active_txq_lock[ac]);
268 q_limit_l[ac] = sta->airtime[ac].aql_limit_low;
269 q_limit_h[ac] = sta->airtime[ac].aql_limit_high;
270 spin_unlock_bh(&local->active_txq_lock[ac]);
271 q_depth[ac] = atomic_read(&sta->airtime[ac].aql_tx_pending);
274 p += scnprintf(p, bufsz + buf - p,
275 "Q depth: VO: %u us VI: %u us BE: %u us BK: %u us\n"
276 "Q limit[low/high]: VO: %u/%u VI: %u/%u BE: %u/%u BK: %u/%u\n",
277 q_depth[0], q_depth[1], q_depth[2], q_depth[3],
278 q_limit_l[0], q_limit_h[0], q_limit_l[1], q_limit_h[1],
279 q_limit_l[2], q_limit_h[2], q_limit_l[3], q_limit_h[3]);
281 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
286 static ssize_t sta_aql_write(struct file *file, const char __user *userbuf,
287 size_t count, loff_t *ppos)
289 struct sta_info *sta = file->private_data;
290 u32 ac, q_limit_l, q_limit_h;
291 char _buf[100] = {}, *buf = _buf;
293 if (count > sizeof(_buf))
296 if (copy_from_user(buf, userbuf, count))
299 buf[sizeof(_buf) - 1] = '\0';
300 if (sscanf(buf, "limit %u %u %u", &ac, &q_limit_l, &q_limit_h)
304 if (ac >= IEEE80211_NUM_ACS)
307 sta->airtime[ac].aql_limit_low = q_limit_l;
308 sta->airtime[ac].aql_limit_high = q_limit_h;
315 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
316 size_t count, loff_t *ppos)
319 ssize_t bufsz = 71 + IEEE80211_NUM_TIDS * 40;
321 struct sta_info *sta = file->private_data;
322 struct tid_ampdu_rx *tid_rx;
323 struct tid_ampdu_tx *tid_tx;
326 buf = kzalloc(bufsz, GFP_KERNEL);
333 p += scnprintf(p, bufsz + buf - p, "next dialog_token: %#02x\n",
334 sta->ampdu_mlme.dialog_token_allocator + 1);
335 p += scnprintf(p, bufsz + buf - p,
336 "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n");
338 for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
341 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]);
342 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]);
343 tid_rx_valid = test_bit(i, sta->ampdu_mlme.agg_session_valid);
345 p += scnprintf(p, bufsz + buf - p, "%02d", i);
346 p += scnprintf(p, bufsz + buf - p, "\t\t%x",
348 p += scnprintf(p, bufsz + buf - p, "\t%#.2x",
350 sta->ampdu_mlme.tid_rx_token[i] : 0);
351 p += scnprintf(p, bufsz + buf - p, "\t%#.3x",
352 tid_rx ? tid_rx->ssn : 0);
354 p += scnprintf(p, bufsz + buf - p, "\t\t%x", !!tid_tx);
355 p += scnprintf(p, bufsz + buf - p, "\t%#.2x",
356 tid_tx ? tid_tx->dialog_token : 0);
357 p += scnprintf(p, bufsz + buf - p, "\t%03d",
358 tid_tx ? skb_queue_len(&tid_tx->pending) : 0);
359 p += scnprintf(p, bufsz + buf - p, "\n");
363 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
368 static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf,
369 size_t count, loff_t *ppos)
371 char _buf[25] = {}, *buf = _buf;
372 struct sta_info *sta = file->private_data;
376 int ret, timeout = 5000;
378 if (count > sizeof(_buf))
381 if (copy_from_user(buf, userbuf, count))
384 buf[sizeof(_buf) - 1] = '\0';
386 buf = strsep(&pos, " ");
390 if (!strcmp(buf, "tx"))
392 else if (!strcmp(buf, "rx"))
397 buf = strsep(&pos, " ");
400 if (!strcmp(buf, "start")) {
404 } else if (!strcmp(buf, "stop")) {
410 buf = strsep(&pos, " ");
413 if (sscanf(buf, "timeout=%d", &timeout) == 1) {
414 buf = strsep(&pos, " ");
415 if (!buf || !tx || !start)
419 ret = kstrtoul(buf, 0, &tid);
420 if (ret || tid >= IEEE80211_NUM_TIDS)
425 ret = ieee80211_start_tx_ba_session(&sta->sta, tid,
428 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid);
430 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
437 STA_OPS_RW(agg_status);
439 static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
440 size_t count, loff_t *ppos)
442 #define PRINT_HT_CAP(_cond, _str) \
445 p += scnprintf(p, bufsz + buf - p, "\t" _str "\n"); \
450 struct sta_info *sta = file->private_data;
451 struct ieee80211_sta_ht_cap *htc = &sta->sta.deflink.ht_cap;
454 buf = kzalloc(bufsz, GFP_KERNEL);
459 p += scnprintf(p, bufsz + buf - p, "ht %ssupported\n",
460 htc->ht_supported ? "" : "not ");
461 if (htc->ht_supported) {
462 p += scnprintf(p, bufsz + buf - p, "cap: %#.4x\n", htc->cap);
464 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC");
465 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40");
466 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20");
468 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 0, "Static SM Power Save");
469 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 1, "Dynamic SM Power Save");
470 PRINT_HT_CAP(((htc->cap >> 2) & 0x3) == 3, "SM Power Save disabled");
472 PRINT_HT_CAP((htc->cap & BIT(4)), "RX Greenfield");
473 PRINT_HT_CAP((htc->cap & BIT(5)), "RX HT20 SGI");
474 PRINT_HT_CAP((htc->cap & BIT(6)), "RX HT40 SGI");
475 PRINT_HT_CAP((htc->cap & BIT(7)), "TX STBC");
477 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 0, "No RX STBC");
478 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 1, "RX STBC 1-stream");
479 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 2, "RX STBC 2-streams");
480 PRINT_HT_CAP(((htc->cap >> 8) & 0x3) == 3, "RX STBC 3-streams");
482 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack");
484 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: "
486 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: "
490 * For beacons and probe response this would mean the BSS
491 * does or does not allow the usage of DSSS/CCK HT40.
492 * Otherwise it means the STA does or does not use
495 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40");
496 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40");
498 /* BIT(13) is reserved */
500 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant");
502 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection");
504 p += scnprintf(p, bufsz + buf - p, "ampdu factor/density: %d/%d\n",
505 htc->ampdu_factor, htc->ampdu_density);
506 p += scnprintf(p, bufsz + buf - p, "MCS mask:");
508 for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
509 p += scnprintf(p, bufsz + buf - p, " %.2x",
510 htc->mcs.rx_mask[i]);
511 p += scnprintf(p, bufsz + buf - p, "\n");
513 /* If not set this is meaningless */
514 if (le16_to_cpu(htc->mcs.rx_highest)) {
515 p += scnprintf(p, bufsz + buf - p,
516 "MCS rx highest: %d Mbps\n",
517 le16_to_cpu(htc->mcs.rx_highest));
520 p += scnprintf(p, bufsz + buf - p, "MCS tx params: %x\n",
524 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
530 static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf,
531 size_t count, loff_t *ppos)
534 struct sta_info *sta = file->private_data;
535 struct ieee80211_sta_vht_cap *vhtc = &sta->sta.deflink.vht_cap;
539 buf = kzalloc(bufsz, GFP_KERNEL);
544 p += scnprintf(p, bufsz + buf - p, "VHT %ssupported\n",
545 vhtc->vht_supported ? "" : "not ");
546 if (vhtc->vht_supported) {
547 p += scnprintf(p, bufsz + buf - p, "cap: %#.8x\n",
549 #define PFLAG(a, b) \
551 if (vhtc->cap & IEEE80211_VHT_CAP_ ## a) \
552 p += scnprintf(p, bufsz + buf - p, \
556 switch (vhtc->cap & 0x3) {
557 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
558 p += scnprintf(p, bufsz + buf - p,
559 "\t\tMAX-MPDU-3895\n");
561 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
562 p += scnprintf(p, bufsz + buf - p,
563 "\t\tMAX-MPDU-7991\n");
565 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
566 p += scnprintf(p, bufsz + buf - p,
567 "\t\tMAX-MPDU-11454\n");
570 p += scnprintf(p, bufsz + buf - p,
571 "\t\tMAX-MPDU-UNKNOWN\n");
573 switch (vhtc->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
575 p += scnprintf(p, bufsz + buf - p,
578 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
579 p += scnprintf(p, bufsz + buf - p,
582 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
583 p += scnprintf(p, bufsz + buf - p,
587 p += scnprintf(p, bufsz + buf - p,
588 "\t\tUNKNOWN-MHZ: 0x%x\n",
589 (vhtc->cap >> 2) & 0x3);
591 PFLAG(RXLDPC, "RXLDPC");
592 PFLAG(SHORT_GI_80, "SHORT-GI-80");
593 PFLAG(SHORT_GI_160, "SHORT-GI-160");
594 PFLAG(TXSTBC, "TXSTBC");
595 p += scnprintf(p, bufsz + buf - p,
596 "\t\tRXSTBC_%d\n", (vhtc->cap >> 8) & 0x7);
597 PFLAG(SU_BEAMFORMER_CAPABLE, "SU-BEAMFORMER-CAPABLE");
598 PFLAG(SU_BEAMFORMEE_CAPABLE, "SU-BEAMFORMEE-CAPABLE");
599 p += scnprintf(p, bufsz + buf - p,
600 "\t\tBEAMFORMEE-STS: 0x%x\n",
601 (vhtc->cap & IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK) >>
602 IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
603 p += scnprintf(p, bufsz + buf - p,
604 "\t\tSOUNDING-DIMENSIONS: 0x%x\n",
605 (vhtc->cap & IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK)
606 >> IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT);
607 PFLAG(MU_BEAMFORMER_CAPABLE, "MU-BEAMFORMER-CAPABLE");
608 PFLAG(MU_BEAMFORMEE_CAPABLE, "MU-BEAMFORMEE-CAPABLE");
609 PFLAG(VHT_TXOP_PS, "TXOP-PS");
610 PFLAG(HTC_VHT, "HTC-VHT");
611 p += scnprintf(p, bufsz + buf - p,
612 "\t\tMPDU-LENGTH-EXPONENT: 0x%x\n",
613 (vhtc->cap & IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
614 IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT);
615 PFLAG(VHT_LINK_ADAPTATION_VHT_UNSOL_MFB,
616 "LINK-ADAPTATION-VHT-UNSOL-MFB");
617 p += scnprintf(p, bufsz + buf - p,
618 "\t\tLINK-ADAPTATION-VHT-MRQ-MFB: 0x%x\n",
619 (vhtc->cap & IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB) >> 26);
620 PFLAG(RX_ANTENNA_PATTERN, "RX-ANTENNA-PATTERN");
621 PFLAG(TX_ANTENNA_PATTERN, "TX-ANTENNA-PATTERN");
623 p += scnprintf(p, bufsz + buf - p, "RX MCS: %.4x\n",
624 le16_to_cpu(vhtc->vht_mcs.rx_mcs_map));
625 if (vhtc->vht_mcs.rx_highest)
626 p += scnprintf(p, bufsz + buf - p,
627 "MCS RX highest: %d Mbps\n",
628 le16_to_cpu(vhtc->vht_mcs.rx_highest));
629 p += scnprintf(p, bufsz + buf - p, "TX MCS: %.4x\n",
630 le16_to_cpu(vhtc->vht_mcs.tx_mcs_map));
631 if (vhtc->vht_mcs.tx_highest)
632 p += scnprintf(p, bufsz + buf - p,
633 "MCS TX highest: %d Mbps\n",
634 le16_to_cpu(vhtc->vht_mcs.tx_highest));
638 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
644 static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf,
645 size_t count, loff_t *ppos)
648 size_t buf_sz = PAGE_SIZE;
649 struct sta_info *sta = file->private_data;
650 struct ieee80211_sta_he_cap *hec = &sta->sta.deflink.he_cap;
651 struct ieee80211_he_mcs_nss_supp *nss = &hec->he_mcs_nss_supp;
657 buf = kmalloc(buf_sz, GFP_KERNEL);
662 p += scnprintf(p, buf_sz + buf - p, "HE %ssupported\n",
663 hec->has_he ? "" : "not ");
667 cap = hec->he_cap_elem.mac_cap_info;
668 p += scnprintf(p, buf_sz + buf - p,
669 "MAC-CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
670 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5]);
672 #define PRINT(fmt, ...) \
673 p += scnprintf(p, buf_sz + buf - p, "\t\t" fmt "\n", \
676 #define PFLAG(t, n, a, b) \
678 if (cap[n] & IEEE80211_HE_##t##_CAP##n##_##a) \
682 #define PFLAG_RANGE(t, i, n, s, m, off, fmt) \
684 u8 msk = IEEE80211_HE_##t##_CAP##i##_##n##_MASK; \
685 u8 idx = ((cap[i] & msk) >> (ffs(msk) - 1)) + off; \
686 PRINT(fmt, (s << idx) + (m * idx)); \
689 #define PFLAG_RANGE_DEFAULT(t, i, n, s, m, off, fmt, a, b) \
691 if (cap[i] == IEEE80211_HE_##t ##_CAP##i##_##n##_##a) { \
695 PFLAG_RANGE(t, i, n, s, m, off, fmt); \
698 PFLAG(MAC, 0, HTC_HE, "HTC-HE");
699 PFLAG(MAC, 0, TWT_REQ, "TWT-REQ");
700 PFLAG(MAC, 0, TWT_RES, "TWT-RES");
701 PFLAG_RANGE_DEFAULT(MAC, 0, DYNAMIC_FRAG, 0, 1, 0,
702 "DYNAMIC-FRAG-LEVEL-%d", NOT_SUPP, "NOT-SUPP");
703 PFLAG_RANGE_DEFAULT(MAC, 0, MAX_NUM_FRAG_MSDU, 1, 0, 0,
704 "MAX-NUM-FRAG-MSDU-%d", UNLIMITED, "UNLIMITED");
706 PFLAG_RANGE_DEFAULT(MAC, 1, MIN_FRAG_SIZE, 128, 0, -1,
707 "MIN-FRAG-SIZE-%d", UNLIMITED, "UNLIMITED");
708 PFLAG_RANGE_DEFAULT(MAC, 1, TF_MAC_PAD_DUR, 0, 8, 0,
709 "TF-MAC-PAD-DUR-%dUS", MASK, "UNKNOWN");
710 PFLAG_RANGE(MAC, 1, MULTI_TID_AGG_RX_QOS, 0, 1, 1,
711 "MULTI-TID-AGG-RX-QOS-%d");
713 if (cap[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) {
714 switch (((cap[2] << 1) | (cap[1] >> 7)) & 0x3) {
716 PRINT("LINK-ADAPTATION-NO-FEEDBACK");
719 PRINT("LINK-ADAPTATION-RESERVED");
722 PRINT("LINK-ADAPTATION-UNSOLICITED-FEEDBACK");
725 PRINT("LINK-ADAPTATION-BOTH");
730 PFLAG(MAC, 2, ALL_ACK, "ALL-ACK");
731 PFLAG(MAC, 2, TRS, "TRS");
732 PFLAG(MAC, 2, BSR, "BSR");
733 PFLAG(MAC, 2, BCAST_TWT, "BCAST-TWT");
734 PFLAG(MAC, 2, 32BIT_BA_BITMAP, "32BIT-BA-BITMAP");
735 PFLAG(MAC, 2, MU_CASCADING, "MU-CASCADING");
736 PFLAG(MAC, 2, ACK_EN, "ACK-EN");
738 PFLAG(MAC, 3, OMI_CONTROL, "OMI-CONTROL");
739 PFLAG(MAC, 3, OFDMA_RA, "OFDMA-RA");
741 switch (cap[3] & IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK) {
742 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0:
743 PRINT("MAX-AMPDU-LEN-EXP-USE-EXT-0");
745 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1:
746 PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-1");
748 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2:
749 PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-2");
751 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3:
752 PRINT("MAX-AMPDU-LEN-EXP-VHT-EXT-3");
756 PFLAG(MAC, 3, AMSDU_FRAG, "AMSDU-FRAG");
757 PFLAG(MAC, 3, FLEX_TWT_SCHED, "FLEX-TWT-SCHED");
758 PFLAG(MAC, 3, RX_CTRL_FRAME_TO_MULTIBSS, "RX-CTRL-FRAME-TO-MULTIBSS");
760 PFLAG(MAC, 4, BSRP_BQRP_A_MPDU_AGG, "BSRP-BQRP-A-MPDU-AGG");
761 PFLAG(MAC, 4, QTP, "QTP");
762 PFLAG(MAC, 4, BQR, "BQR");
763 PFLAG(MAC, 4, PSR_RESP, "PSR-RESP");
764 PFLAG(MAC, 4, NDP_FB_REP, "NDP-FB-REP");
765 PFLAG(MAC, 4, OPS, "OPS");
766 PFLAG(MAC, 4, AMSDU_IN_AMPDU, "AMSDU-IN-AMPDU");
768 PRINT("MULTI-TID-AGG-TX-QOS-%d", ((cap[5] << 1) | (cap[4] >> 7)) & 0x7);
770 PFLAG(MAC, 5, SUBCHAN_SELECTIVE_TRANSMISSION,
771 "SUBCHAN-SELECTIVE-TRANSMISSION");
772 PFLAG(MAC, 5, UL_2x996_TONE_RU, "UL-2x996-TONE-RU");
773 PFLAG(MAC, 5, OM_CTRL_UL_MU_DATA_DIS_RX, "OM-CTRL-UL-MU-DATA-DIS-RX");
774 PFLAG(MAC, 5, HE_DYNAMIC_SM_PS, "HE-DYNAMIC-SM-PS");
775 PFLAG(MAC, 5, PUNCTURED_SOUNDING, "PUNCTURED-SOUNDING");
776 PFLAG(MAC, 5, HT_VHT_TRIG_FRAME_RX, "HT-VHT-TRIG-FRAME-RX");
778 cap = hec->he_cap_elem.phy_cap_info;
779 p += scnprintf(p, buf_sz + buf - p,
780 "PHY CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
781 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5], cap[6],
782 cap[7], cap[8], cap[9], cap[10]);
784 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_IN_2G,
785 "CHANNEL-WIDTH-SET-40MHZ-IN-2G");
786 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G,
787 "CHANNEL-WIDTH-SET-40MHZ-80MHZ-IN-5G");
788 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_160MHZ_IN_5G,
789 "CHANNEL-WIDTH-SET-160MHZ-IN-5G");
790 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G,
791 "CHANNEL-WIDTH-SET-80PLUS80-MHZ-IN-5G");
792 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G,
793 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-2G");
794 PFLAG(PHY, 0, CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G,
795 "CHANNEL-WIDTH-SET-RU-MAPPING-IN-5G");
797 switch (cap[1] & IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK) {
798 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ:
799 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-20MHZ");
801 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ:
802 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-40MHZ");
804 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ:
805 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-20MHZ");
807 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ:
808 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-40MHZ");
812 PFLAG(PHY, 1, DEVICE_CLASS_A,
813 "IEEE80211-HE-PHY-CAP1-DEVICE-CLASS-A");
814 PFLAG(PHY, 1, LDPC_CODING_IN_PAYLOAD,
815 "LDPC-CODING-IN-PAYLOAD");
816 PFLAG(PHY, 1, HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US,
817 "HY-CAP1-HE-LTF-AND-GI-FOR-HE-PPDUS-0-8US");
818 PRINT("MIDAMBLE-RX-MAX-NSTS-%d", ((cap[2] << 1) | (cap[1] >> 7)) & 0x3);
820 PFLAG(PHY, 2, NDP_4x_LTF_AND_3_2US, "NDP-4X-LTF-AND-3-2US");
821 PFLAG(PHY, 2, STBC_TX_UNDER_80MHZ, "STBC-TX-UNDER-80MHZ");
822 PFLAG(PHY, 2, STBC_RX_UNDER_80MHZ, "STBC-RX-UNDER-80MHZ");
823 PFLAG(PHY, 2, DOPPLER_TX, "DOPPLER-TX");
824 PFLAG(PHY, 2, DOPPLER_RX, "DOPPLER-RX");
825 PFLAG(PHY, 2, UL_MU_FULL_MU_MIMO, "UL-MU-FULL-MU-MIMO");
826 PFLAG(PHY, 2, UL_MU_PARTIAL_MU_MIMO, "UL-MU-PARTIAL-MU-MIMO");
828 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK) {
829 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM:
830 PRINT("DCM-MAX-CONST-TX-NO-DCM");
832 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK:
833 PRINT("DCM-MAX-CONST-TX-BPSK");
835 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK:
836 PRINT("DCM-MAX-CONST-TX-QPSK");
838 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM:
839 PRINT("DCM-MAX-CONST-TX-16-QAM");
843 PFLAG(PHY, 3, DCM_MAX_TX_NSS_1, "DCM-MAX-TX-NSS-1");
844 PFLAG(PHY, 3, DCM_MAX_TX_NSS_2, "DCM-MAX-TX-NSS-2");
846 switch (cap[3] & IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK) {
847 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM:
848 PRINT("DCM-MAX-CONST-RX-NO-DCM");
850 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK:
851 PRINT("DCM-MAX-CONST-RX-BPSK");
853 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK:
854 PRINT("DCM-MAX-CONST-RX-QPSK");
856 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM:
857 PRINT("DCM-MAX-CONST-RX-16-QAM");
861 PFLAG(PHY, 3, DCM_MAX_RX_NSS_1, "DCM-MAX-RX-NSS-1");
862 PFLAG(PHY, 3, DCM_MAX_RX_NSS_2, "DCM-MAX-RX-NSS-2");
863 PFLAG(PHY, 3, RX_PARTIAL_BW_SU_IN_20MHZ_MU,
864 "RX-PARTIAL-BW-SU-IN-20MHZ-MU");
865 PFLAG(PHY, 3, SU_BEAMFORMER, "SU-BEAMFORMER");
867 PFLAG(PHY, 4, SU_BEAMFORMEE, "SU-BEAMFORMEE");
868 PFLAG(PHY, 4, MU_BEAMFORMER, "MU-BEAMFORMER");
870 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_UNDER_80MHZ, 0, 1, 4,
871 "BEAMFORMEE-MAX-STS-UNDER-%d");
872 PFLAG_RANGE(PHY, 4, BEAMFORMEE_MAX_STS_ABOVE_80MHZ, 0, 1, 4,
873 "BEAMFORMEE-MAX-STS-ABOVE-%d");
875 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ, 0, 1, 1,
876 "NUM-SND-DIM-UNDER-80MHZ-%d");
877 PFLAG_RANGE(PHY, 5, BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ, 0, 1, 1,
878 "NUM-SND-DIM-ABOVE-80MHZ-%d");
879 PFLAG(PHY, 5, NG16_SU_FEEDBACK, "NG16-SU-FEEDBACK");
880 PFLAG(PHY, 5, NG16_MU_FEEDBACK, "NG16-MU-FEEDBACK");
882 PFLAG(PHY, 6, CODEBOOK_SIZE_42_SU, "CODEBOOK-SIZE-42-SU");
883 PFLAG(PHY, 6, CODEBOOK_SIZE_75_MU, "CODEBOOK-SIZE-75-MU");
884 PFLAG(PHY, 6, TRIG_SU_BEAMFORMING_FB, "TRIG-SU-BEAMFORMING-FB");
885 PFLAG(PHY, 6, TRIG_MU_BEAMFORMING_PARTIAL_BW_FB,
886 "MU-BEAMFORMING-PARTIAL-BW-FB");
887 PFLAG(PHY, 6, TRIG_CQI_FB, "TRIG-CQI-FB");
888 PFLAG(PHY, 6, PARTIAL_BW_EXT_RANGE, "PARTIAL-BW-EXT-RANGE");
889 PFLAG(PHY, 6, PARTIAL_BANDWIDTH_DL_MUMIMO,
890 "PARTIAL-BANDWIDTH-DL-MUMIMO");
891 PFLAG(PHY, 6, PPE_THRESHOLD_PRESENT, "PPE-THRESHOLD-PRESENT");
893 PFLAG(PHY, 7, PSR_BASED_SR, "PSR-BASED-SR");
894 PFLAG(PHY, 7, POWER_BOOST_FACTOR_SUPP, "POWER-BOOST-FACTOR-SUPP");
895 PFLAG(PHY, 7, HE_SU_MU_PPDU_4XLTF_AND_08_US_GI,
896 "HE-SU-MU-PPDU-4XLTF-AND-08-US-GI");
897 PFLAG_RANGE(PHY, 7, MAX_NC, 0, 1, 1, "MAX-NC-%d");
898 PFLAG(PHY, 7, STBC_TX_ABOVE_80MHZ, "STBC-TX-ABOVE-80MHZ");
899 PFLAG(PHY, 7, STBC_RX_ABOVE_80MHZ, "STBC-RX-ABOVE-80MHZ");
901 PFLAG(PHY, 8, HE_ER_SU_PPDU_4XLTF_AND_08_US_GI,
902 "HE-ER-SU-PPDU-4XLTF-AND-08-US-GI");
903 PFLAG(PHY, 8, 20MHZ_IN_40MHZ_HE_PPDU_IN_2G,
904 "20MHZ-IN-40MHZ-HE-PPDU-IN-2G");
905 PFLAG(PHY, 8, 20MHZ_IN_160MHZ_HE_PPDU, "20MHZ-IN-160MHZ-HE-PPDU");
906 PFLAG(PHY, 8, 80MHZ_IN_160MHZ_HE_PPDU, "80MHZ-IN-160MHZ-HE-PPDU");
907 PFLAG(PHY, 8, HE_ER_SU_1XLTF_AND_08_US_GI,
908 "HE-ER-SU-1XLTF-AND-08-US-GI");
909 PFLAG(PHY, 8, MIDAMBLE_RX_TX_2X_AND_1XLTF,
910 "MIDAMBLE-RX-TX-2X-AND-1XLTF");
912 switch (cap[8] & IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK) {
913 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242:
914 PRINT("DCM-MAX-RU-242");
916 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484:
917 PRINT("DCM-MAX-RU-484");
919 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996:
920 PRINT("DCM-MAX-RU-996");
922 case IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996:
923 PRINT("DCM-MAX-RU-2x996");
927 PFLAG(PHY, 9, LONGER_THAN_16_SIGB_OFDM_SYM,
928 "LONGER-THAN-16-SIGB-OFDM-SYM");
929 PFLAG(PHY, 9, NON_TRIGGERED_CQI_FEEDBACK,
930 "NON-TRIGGERED-CQI-FEEDBACK");
931 PFLAG(PHY, 9, TX_1024_QAM_LESS_THAN_242_TONE_RU,
932 "TX-1024-QAM-LESS-THAN-242-TONE-RU");
933 PFLAG(PHY, 9, RX_1024_QAM_LESS_THAN_242_TONE_RU,
934 "RX-1024-QAM-LESS-THAN-242-TONE-RU");
935 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB,
936 "RX-FULL-BW-SU-USING-MU-WITH-COMP-SIGB");
937 PFLAG(PHY, 9, RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB,
938 "RX-FULL-BW-SU-USING-MU-WITH-NON-COMP-SIGB");
940 switch (u8_get_bits(cap[9],
941 IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK)) {
942 case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US:
943 PRINT("NOMINAL-PACKET-PADDING-0US");
945 case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US:
946 PRINT("NOMINAL-PACKET-PADDING-8US");
948 case IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US:
949 PRINT("NOMINAL-PACKET-PADDING-16US");
953 #undef PFLAG_RANGE_DEFAULT
957 #define PRINT_NSS_SUPP(f, n) \
960 u16 v = le16_to_cpu(nss->f); \
961 p += scnprintf(p, buf_sz + buf - p, n ": %#.4x\n", v); \
962 for (_i = 0; _i < 8; _i += 2) { \
963 switch ((v >> _i) & 0x3) { \
965 PRINT(n "-%d-SUPPORT-0-7", _i / 2); \
968 PRINT(n "-%d-SUPPORT-0-9", _i / 2); \
971 PRINT(n "-%d-SUPPORT-0-11", _i / 2); \
974 PRINT(n "-%d-NOT-SUPPORTED", _i / 2); \
980 PRINT_NSS_SUPP(rx_mcs_80, "RX-MCS-80");
981 PRINT_NSS_SUPP(tx_mcs_80, "TX-MCS-80");
983 if (cap[0] & IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) {
984 PRINT_NSS_SUPP(rx_mcs_160, "RX-MCS-160");
985 PRINT_NSS_SUPP(tx_mcs_160, "TX-MCS-160");
989 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {
990 PRINT_NSS_SUPP(rx_mcs_80p80, "RX-MCS-80P80");
991 PRINT_NSS_SUPP(tx_mcs_80p80, "TX-MCS-80P80");
994 #undef PRINT_NSS_SUPP
997 if (!(cap[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT))
1000 p += scnprintf(p, buf_sz + buf - p, "PPE-THRESHOLDS: %#.2x",
1003 ppe_size = ieee80211_he_ppe_size(hec->ppe_thres[0], cap);
1004 for (i = 1; i < ppe_size; i++) {
1005 p += scnprintf(p, buf_sz + buf - p, " %#.2x",
1008 p += scnprintf(p, buf_sz + buf - p, "\n");
1011 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
1017 #define DEBUGFS_ADD(name) \
1018 debugfs_create_file(#name, 0400, \
1019 sta->debugfs_dir, sta, &sta_ ##name## _ops)
1021 #define DEBUGFS_ADD_COUNTER(name, field) \
1022 debugfs_create_ulong(#name, 0400, sta->debugfs_dir, &sta->field);
1024 void ieee80211_sta_debugfs_add(struct sta_info *sta)
1026 struct ieee80211_local *local = sta->local;
1027 struct ieee80211_sub_if_data *sdata = sta->sdata;
1028 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations;
1034 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr);
1037 * This might fail due to a race condition:
1038 * When mac80211 unlinks a station, the debugfs entries
1039 * remain, but it is already possible to link a new
1040 * station with the same address which triggers adding
1041 * it to debugfs; therefore, if the old station isn't
1042 * destroyed quickly enough the old station's debugfs
1043 * dir might still be around.
1045 sta->debugfs_dir = debugfs_create_dir(mac, stations_dir);
1049 DEBUGFS_ADD(num_ps_buf_frames);
1050 DEBUGFS_ADD(last_seq_ctrl);
1051 DEBUGFS_ADD(agg_status);
1052 DEBUGFS_ADD(ht_capa);
1053 DEBUGFS_ADD(vht_capa);
1054 DEBUGFS_ADD(he_capa);
1056 DEBUGFS_ADD_COUNTER(rx_duplicates, deflink.rx_stats.num_duplicates);
1057 DEBUGFS_ADD_COUNTER(rx_fragments, deflink.rx_stats.fragments);
1058 DEBUGFS_ADD_COUNTER(tx_filtered, deflink.status_stats.filtered);
1060 if (local->ops->wake_tx_queue) {
1062 DEBUGFS_ADD(airtime);
1065 if (wiphy_ext_feature_isset(local->hw.wiphy,
1066 NL80211_EXT_FEATURE_AQL))
1069 debugfs_create_xul("driver_buffered_tids", 0400, sta->debugfs_dir,
1070 &sta->driver_buffered_tids);
1072 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs_dir);
1075 void ieee80211_sta_debugfs_remove(struct sta_info *sta)
1077 debugfs_remove_recursive(sta->debugfs_dir);
1078 sta->debugfs_dir = NULL;