2 * Copyright 2003-2005 Devicescape Software, Inc.
3 * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
4 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2014 Intel Mobile Communications GmbH
6 * Copyright(c) 2016 Intel Deutschland GmbH
7 * Copyright (C) 2018 Intel Corporation
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.
14 #include <linux/debugfs.h>
15 #include <linux/ieee80211.h>
16 #include "ieee80211_i.h"
18 #include "debugfs_sta.h"
20 #include "driver-ops.h"
24 #define STA_READ(name, field, format_string) \
25 static ssize_t sta_ ##name## _read(struct file *file, \
26 char __user *userbuf, \
27 size_t count, loff_t *ppos) \
29 struct sta_info *sta = file->private_data; \
30 return mac80211_format_buffer(userbuf, count, ppos, \
31 format_string, sta->field); \
33 #define STA_READ_D(name, field) STA_READ(name, field, "%d\n")
35 #define STA_OPS(name) \
36 static const struct file_operations sta_ ##name## _ops = { \
37 .read = sta_##name##_read, \
38 .open = simple_open, \
39 .llseek = generic_file_llseek, \
42 #define STA_OPS_RW(name) \
43 static const struct file_operations sta_ ##name## _ops = { \
44 .read = sta_##name##_read, \
45 .write = sta_##name##_write, \
46 .open = simple_open, \
47 .llseek = generic_file_llseek, \
50 #define STA_FILE(name, field, format) \
51 STA_READ_##format(name, field) \
54 STA_FILE(aid, sta.aid, D);
56 static const char * const sta_flag_names[] = {
57 #define FLAG(F) [WLAN_STA_##F] = #F
72 FLAG(TDLS_CHAN_SWITCH),
73 FLAG(TDLS_OFF_CHANNEL),
87 static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
88 size_t count, loff_t *ppos)
90 char buf[16 * NUM_WLAN_STA_FLAGS], *pos = buf;
91 char *end = buf + sizeof(buf) - 1;
92 struct sta_info *sta = file->private_data;
95 BUILD_BUG_ON(ARRAY_SIZE(sta_flag_names) != NUM_WLAN_STA_FLAGS);
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]);
103 return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
107 static ssize_t sta_num_ps_buf_frames_read(struct file *file,
108 char __user *userbuf,
109 size_t count, loff_t *ppos)
111 struct sta_info *sta = file->private_data;
112 char buf[17*IEEE80211_NUM_ACS], *p = buf;
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);
121 STA_OPS(num_ps_buf_frames);
123 static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
124 size_t count, loff_t *ppos)
126 char buf[15*IEEE80211_NUM_TIDS], *p = buf;
128 struct sta_info *sta = file->private_data;
129 for (i = 0; i < IEEE80211_NUM_TIDS; i++)
130 p += scnprintf(p, sizeof(buf)+buf-p, "%x ",
131 le16_to_cpu(sta->last_seq_ctrl[i]));
132 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
133 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
135 STA_OPS(last_seq_ctrl);
137 #define AQM_TXQ_ENTRY_LEN 130
139 static ssize_t sta_aqm_read(struct file *file, char __user *userbuf,
140 size_t count, loff_t *ppos)
142 struct sta_info *sta = file->private_data;
143 struct ieee80211_local *local = sta->local;
144 size_t bufsz = AQM_TXQ_ENTRY_LEN * (IEEE80211_NUM_TIDS + 2);
145 char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf;
146 struct txq_info *txqi;
153 spin_lock_bh(&local->fq.lock);
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");
164 "tid ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets flags\n");
166 for (i = 0; i < ARRAY_SIZE(sta->sta.txq); i++) {
167 if (!sta->sta.txq[i])
169 txqi = to_txq_info(sta->sta.txq[i]);
170 p += scnprintf(p, bufsz+buf-p,
171 "%d %d %u %u %u %u %u %u %u %u %u 0x%lx(%s%s%s)\n",
174 txqi->tin.backlog_bytes,
175 txqi->tin.backlog_packets,
177 txqi->cstats.drop_count,
178 txqi->cstats.ecn_mark,
180 txqi->tin.collisions,
182 txqi->tin.tx_packets,
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" : "");
190 spin_unlock_bh(&local->fq.lock);
192 rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
198 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
199 size_t count, loff_t *ppos)
201 char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf;
203 struct sta_info *sta = file->private_data;
204 struct tid_ampdu_rx *tid_rx;
205 struct tid_ampdu_tx *tid_tx;
209 p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n",
210 sta->ampdu_mlme.dialog_token_allocator + 1);
211 p += scnprintf(p, sizeof(buf) + buf - p,
212 "TID\t\tRX\tDTKN\tSSN\t\tTX\tDTKN\tpending\n");
214 for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
217 tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]);
218 tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]);
219 tid_rx_valid = test_bit(i, sta->ampdu_mlme.agg_session_valid);
221 p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i);
222 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x",
224 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
226 sta->ampdu_mlme.tid_rx_token[i] : 0);
227 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x",
228 tid_rx ? tid_rx->ssn : 0);
230 p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx);
231 p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
232 tid_tx ? tid_tx->dialog_token : 0);
233 p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d",
234 tid_tx ? skb_queue_len(&tid_tx->pending) : 0);
235 p += scnprintf(p, sizeof(buf) + buf - p, "\n");
239 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
242 static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf,
243 size_t count, loff_t *ppos)
245 char _buf[25] = {}, *buf = _buf;
246 struct sta_info *sta = file->private_data;
250 int ret, timeout = 5000;
252 if (count > sizeof(_buf))
255 if (copy_from_user(buf, userbuf, count))
258 buf[sizeof(_buf) - 1] = '\0';
260 buf = strsep(&pos, " ");
264 if (!strcmp(buf, "tx"))
266 else if (!strcmp(buf, "rx"))
271 buf = strsep(&pos, " ");
274 if (!strcmp(buf, "start")) {
278 } else if (!strcmp(buf, "stop")) {
284 buf = strsep(&pos, " ");
287 if (sscanf(buf, "timeout=%d", &timeout) == 1) {
288 buf = strsep(&pos, " ");
289 if (!buf || !tx || !start)
293 ret = kstrtoul(buf, 0, &tid);
294 if (ret || tid >= IEEE80211_NUM_TIDS)
299 ret = ieee80211_start_tx_ba_session(&sta->sta, tid,
302 ret = ieee80211_stop_tx_ba_session(&sta->sta, tid);
304 __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT,
311 STA_OPS_RW(agg_status);
313 static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
314 size_t count, loff_t *ppos)
316 #define PRINT_HT_CAP(_cond, _str) \
319 p += scnprintf(p, sizeof(buf)+buf-p, "\t" _str "\n"); \
321 char buf[512], *p = buf;
323 struct sta_info *sta = file->private_data;
324 struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap;
326 p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n",
327 htc->ht_supported ? "" : "not ");
328 if (htc->ht_supported) {
329 p += scnprintf(p, sizeof(buf)+buf-p, "cap: %#.4x\n", htc->cap);
331 PRINT_HT_CAP((htc->cap & BIT(0)), "RX LDPC");
332 PRINT_HT_CAP((htc->cap & BIT(1)), "HT20/HT40");
333 PRINT_HT_CAP(!(htc->cap & BIT(1)), "HT20");
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");
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");
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");
349 PRINT_HT_CAP((htc->cap & BIT(10)), "HT Delayed Block Ack");
351 PRINT_HT_CAP(!(htc->cap & BIT(11)), "Max AMSDU length: "
353 PRINT_HT_CAP((htc->cap & BIT(11)), "Max AMSDU length: "
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
362 PRINT_HT_CAP((htc->cap & BIT(12)), "DSSS/CCK HT40");
363 PRINT_HT_CAP(!(htc->cap & BIT(12)), "No DSSS/CCK HT40");
365 /* BIT(13) is reserved */
367 PRINT_HT_CAP((htc->cap & BIT(14)), "40 MHz Intolerant");
369 PRINT_HT_CAP((htc->cap & BIT(15)), "L-SIG TXOP protection");
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:");
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]);
378 p += scnprintf(p, sizeof(buf)+buf-p, "\n");
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));
387 p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n",
391 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
395 static ssize_t sta_vht_capa_read(struct file *file, char __user *userbuf,
396 size_t count, loff_t *ppos)
398 char buf[512], *p = buf;
399 struct sta_info *sta = file->private_data;
400 struct ieee80211_sta_vht_cap *vhtc = &sta->sta.vht_cap;
402 p += scnprintf(p, sizeof(buf) + buf - p, "VHT %ssupported\n",
403 vhtc->vht_supported ? "" : "not ");
404 if (vhtc->vht_supported) {
405 p += scnprintf(p, sizeof(buf) + buf - p, "cap: %#.8x\n",
407 #define PFLAG(a, b) \
409 if (vhtc->cap & IEEE80211_VHT_CAP_ ## a) \
410 p += scnprintf(p, sizeof(buf) + buf - p, \
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");
419 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
420 p += scnprintf(p, sizeof(buf) + buf - p,
421 "\t\tMAX-MPDU-7991\n");
423 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
424 p += scnprintf(p, sizeof(buf) + buf - p,
425 "\t\tMAX-MPDU-11454\n");
428 p += scnprintf(p, sizeof(buf) + buf - p,
429 "\t\tMAX-MPDU-UNKNOWN\n");
431 switch (vhtc->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) {
433 p += scnprintf(p, sizeof(buf) + buf - p,
436 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ:
437 p += scnprintf(p, sizeof(buf) + buf - p,
440 case IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ:
441 p += scnprintf(p, sizeof(buf) + buf - p,
445 p += scnprintf(p, sizeof(buf) + buf - p,
446 "\t\tUNKNOWN-MHZ: 0x%x\n",
447 (vhtc->cap >> 2) & 0x3);
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");
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));
496 return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
500 static ssize_t sta_he_capa_read(struct file *file, char __user *userbuf,
501 size_t count, loff_t *ppos)
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;
513 buf = kmalloc(buf_sz, GFP_KERNEL);
518 p += scnprintf(p, buf_sz + buf - p, "HE %ssupported\n",
519 hec->has_he ? "" : "not ");
523 cap = hec->he_cap_elem.mac_cap_info;
524 p += scnprintf(p, buf_sz + buf - p,
525 "MAC-CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
526 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5]);
528 #define PRINT(fmt, ...) \
529 p += scnprintf(p, buf_sz + buf - p, "\t\t" fmt "\n", \
532 #define PFLAG(t, n, a, b) \
534 if (cap[n] & IEEE80211_HE_##t##_CAP##n##_##a) \
538 #define PFLAG_RANGE(t, i, n, s, m, off, fmt) \
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)); \
545 #define PFLAG_RANGE_DEFAULT(t, i, n, s, m, off, fmt, a, b) \
547 if (cap[i] == IEEE80211_HE_##t ##_CAP##i##_##n##_##a) { \
551 PFLAG_RANGE(t, i, n, s, m, off, fmt); \
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");
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");
566 PFLAG_RANGE(MAC, 1, MULTI_TID_AGG_RX_QOS, 0, 1, 1,
567 "MULTI-TID-AGG-RX-QOS-%d");
569 if (cap[0] & IEEE80211_HE_MAC_CAP0_HTC_HE) {
570 switch (((cap[2] << 1) | (cap[1] >> 7)) & 0x3) {
572 PRINT("LINK-ADAPTATION-NO-FEEDBACK");
575 PRINT("LINK-ADAPTATION-RESERVED");
578 PRINT("LINK-ADAPTATION-UNSOLICITED-FEEDBACK");
581 PRINT("LINK-ADAPTATION-BOTH");
586 PFLAG(MAC, 2, ALL_ACK, "ALL-ACK");
587 PFLAG(MAC, 2, TRS, "TRS");
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");
594 PFLAG(MAC, 3, OMI_CONTROL, "OMI-CONTROL");
595 PFLAG(MAC, 3, OFDMA_RA, "OFDMA-RA");
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");
601 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1:
602 PRINT("MAX-AMPDU-LEN-EXP-VHT-1");
604 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2:
605 PRINT("MAX-AMPDU-LEN-EXP-VHT-2");
607 case IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED:
608 PRINT("MAX-AMPDU-LEN-EXP-RESERVED");
612 PFLAG(MAC, 3, AMSDU_FRAG, "AMSDU-FRAG");
613 PFLAG(MAC, 3, FLEX_TWT_SCHED, "FLEX-TWT-SCHED");
614 PFLAG(MAC, 3, RX_CTRL_FRAME_TO_MULTIBSS, "RX-CTRL-FRAME-TO-MULTIBSS");
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");
619 PFLAG(MAC, 4, SRP_RESP, "SRP-RESP");
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");
624 PRINT("MULTI-TID-AGG-TX-QOS-%d", ((cap[5] << 1) | (cap[4] >> 7)) & 0x7);
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");
631 cap = hec->he_cap_elem.phy_cap_info;
632 p += scnprintf(p, buf_sz + buf - p,
633 "PHY CAP: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
634 cap[0], cap[1], cap[2], cap[3], cap[4], cap[5], cap[6],
635 cap[7], cap[8], cap[9], cap[10]);
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");
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");
654 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ:
655 PRINT("PREAMBLE-PUNC-RX-80MHZ-ONLY-SECOND-40MHZ");
657 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ:
658 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-20MHZ");
660 case IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ:
661 PRINT("PREAMBLE-PUNC-RX-160MHZ-ONLY-SECOND-40MHZ");
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);
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");
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");
685 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK:
686 PRINT("DCM-MAX-CONST-TX-BPSK");
688 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK:
689 PRINT("DCM-MAX-CONST-TX-QPSK");
691 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM:
692 PRINT("DCM-MAX-CONST-TX-16-QAM");
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");
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");
703 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK:
704 PRINT("DCM-MAX-CONST-RX-BPSK");
706 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK:
707 PRINT("DCM-MAX-CONST-RX-QPSK");
709 case IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM:
710 PRINT("DCM-MAX-CONST-RX-16-QAM");
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");
720 PFLAG(PHY, 4, SU_BEAMFORMEE, "SU-BEAMFORMEE");
721 PFLAG(PHY, 4, MU_BEAMFORMER, "MU-BEAMFORMER");
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");
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");
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");
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");
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");
761 PFLAG(PHY, 8, MIDAMBLE_RX_TX_2X_AND_1XLTF,
762 "MIDAMBLE-RX-TX-2X-AND-1XLTF");
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");
768 case IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_40MHZ:
769 PRINT("DCM-MAX-BW-40MHZ");
771 case IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_80MHZ:
772 PRINT("DCM-MAX-BW-80MHZ");
774 case IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_160_OR_80P80_MHZ:
775 PRINT("DCM-MAX-BW-160-OR-80P80-MHZ");
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");
792 #undef PFLAG_RANGE_DEFAULT
796 #define PRINT_NSS_SUPP(f, n) \
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) { \
804 PRINT(n "-%d-SUPPORT-0-7", i / 2); \
807 PRINT(n "-%d-SUPPORT-0-9", i / 2); \
810 PRINT(n "-%d-SUPPORT-0-11", i / 2); \
813 PRINT(n "-%d-NOT-SUPPORTED", i / 2); \
819 PRINT_NSS_SUPP(rx_mcs_80, "RX-MCS-80");
820 PRINT_NSS_SUPP(tx_mcs_80, "TX-MCS-80");
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");
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");
833 #undef PRINT_NSS_SUPP
836 if (!(cap[6] & IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT))
839 p += scnprintf(p, buf_sz + buf - p, "PPE-THRESHOLDS: %#.2x",
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",
847 p += scnprintf(p, buf_sz + buf - p, "\n");
850 ret = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
856 #define DEBUGFS_ADD(name) \
857 debugfs_create_file(#name, 0400, \
858 sta->debugfs_dir, sta, &sta_ ##name## _ops);
860 #define DEBUGFS_ADD_COUNTER(name, field) \
861 if (sizeof(sta->field) == sizeof(u32)) \
862 debugfs_create_u32(#name, 0400, sta->debugfs_dir, \
863 (u32 *) &sta->field); \
865 debugfs_create_u64(#name, 0400, sta->debugfs_dir, \
866 (u64 *) &sta->field);
868 void ieee80211_sta_debugfs_add(struct sta_info *sta)
870 struct ieee80211_local *local = sta->local;
871 struct ieee80211_sub_if_data *sdata = sta->sdata;
872 struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations;
878 snprintf(mac, sizeof(mac), "%pM", sta->sta.addr);
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.
889 sta->debugfs_dir = debugfs_create_dir(mac, stations_dir);
890 if (!sta->debugfs_dir)
895 DEBUGFS_ADD(num_ps_buf_frames);
896 DEBUGFS_ADD(last_seq_ctrl);
897 DEBUGFS_ADD(agg_status);
898 DEBUGFS_ADD(ht_capa);
899 DEBUGFS_ADD(vht_capa);
900 DEBUGFS_ADD(he_capa);
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);
906 if (local->ops->wake_tx_queue)
909 if (sizeof(sta->driver_buffered_tids) == sizeof(u32))
910 debugfs_create_x32("driver_buffered_tids", 0400,
912 (u32 *)&sta->driver_buffered_tids);
914 debugfs_create_x64("driver_buffered_tids", 0400,
916 (u64 *)&sta->driver_buffered_tids);
918 drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs_dir);
921 void ieee80211_sta_debugfs_remove(struct sta_info *sta)
923 debugfs_remove_recursive(sta->debugfs_dir);
924 sta->debugfs_dir = NULL;