1// SPDX-License-Identifier: ISC
2/*
3 * Copyright (c) 2014-2017 Qualcomm Atheros, Inc.
4 * Copyright (c) 2018, The Linux Foundation. All rights reserved.
5 * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
6 */
7
8#include "core.h"
9#include "wmi-ops.h"
10#include "txrx.h"
11#include "debug.h"
12
13static void ath10k_rx_stats_update_amsdu_subfrm(struct ath10k *ar,
14 struct ath10k_sta_tid_stats *stats,
15 u32 msdu_count)
16{
17 if (msdu_count == 1)
18 stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_1]++;
19 else if (msdu_count == 2)
20 stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_2]++;
21 else if (msdu_count == 3)
22 stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_3]++;
23 else if (msdu_count == 4)
24 stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_4]++;
25 else if (msdu_count > 4)
26 stats->rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_MORE]++;
27}
28
29static void ath10k_rx_stats_update_ampdu_subfrm(struct ath10k *ar,
30 struct ath10k_sta_tid_stats *stats,
31 u32 mpdu_count)
32{
33 if (mpdu_count <= 10)
34 stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_10]++;
35 else if (mpdu_count <= 20)
36 stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_20]++;
37 else if (mpdu_count <= 30)
38 stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_30]++;
39 else if (mpdu_count <= 40)
40 stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_40]++;
41 else if (mpdu_count <= 50)
42 stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_50]++;
43 else if (mpdu_count <= 60)
44 stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_60]++;
45 else if (mpdu_count > 60)
46 stats->rx_pkt_ampdu[ATH10K_AMPDU_SUBFRM_NUM_MORE]++;
47}
48
49void ath10k_sta_update_rx_tid_stats_ampdu(struct ath10k *ar, u16 peer_id, u8 tid,
50 struct htt_rx_indication_mpdu_range *ranges,
51 int num_ranges)
52{
53 struct ath10k_sta *arsta;
54 struct ath10k_peer *peer;
55 int i;
56
57 if (tid > IEEE80211_NUM_TIDS || !(ar->sta_tid_stats_mask & BIT(tid)))
58 return;
59
60 rcu_read_lock();
61 spin_lock_bh(lock: &ar->data_lock);
62
63 peer = ath10k_peer_find_by_id(ar, peer_id);
64 if (!peer || !peer->sta)
65 goto out;
66
67 arsta = (struct ath10k_sta *)peer->sta->drv_priv;
68
69 for (i = 0; i < num_ranges; i++)
70 ath10k_rx_stats_update_ampdu_subfrm(ar,
71 stats: &arsta->tid_stats[tid],
72 mpdu_count: ranges[i].mpdu_count);
73
74out:
75 spin_unlock_bh(lock: &ar->data_lock);
76 rcu_read_unlock();
77}
78
79void ath10k_sta_update_rx_tid_stats(struct ath10k *ar, u8 *first_hdr,
80 unsigned long num_msdus,
81 enum ath10k_pkt_rx_err err,
82 unsigned long unchain_cnt,
83 unsigned long drop_cnt,
84 unsigned long drop_cnt_filter,
85 unsigned long queued_msdus)
86{
87 struct ieee80211_sta *sta;
88 struct ath10k_sta *arsta;
89 struct ieee80211_hdr *hdr;
90 struct ath10k_sta_tid_stats *stats;
91 u8 tid = IEEE80211_NUM_TIDS;
92 bool non_data_frm = false;
93
94 hdr = (struct ieee80211_hdr *)first_hdr;
95 if (!ieee80211_is_data(fc: hdr->frame_control))
96 non_data_frm = true;
97
98 if (ieee80211_is_data_qos(fc: hdr->frame_control))
99 tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
100
101 if (!(ar->sta_tid_stats_mask & BIT(tid)) || non_data_frm)
102 return;
103
104 rcu_read_lock();
105
106 sta = ieee80211_find_sta_by_ifaddr(hw: ar->hw, addr: hdr->addr2, NULL);
107 if (!sta)
108 goto exit;
109
110 arsta = (struct ath10k_sta *)sta->drv_priv;
111
112 spin_lock_bh(lock: &ar->data_lock);
113 stats = &arsta->tid_stats[tid];
114 stats->rx_pkt_from_fw += num_msdus;
115 stats->rx_pkt_unchained += unchain_cnt;
116 stats->rx_pkt_drop_chained += drop_cnt;
117 stats->rx_pkt_drop_filter += drop_cnt_filter;
118 if (err != ATH10K_PKT_RX_ERR_MAX)
119 stats->rx_pkt_err[err] += queued_msdus;
120 stats->rx_pkt_queued_for_mac += queued_msdus;
121 ath10k_rx_stats_update_amsdu_subfrm(ar, stats: &arsta->tid_stats[tid],
122 msdu_count: num_msdus);
123 spin_unlock_bh(lock: &ar->data_lock);
124
125exit:
126 rcu_read_unlock();
127}
128
129static void ath10k_sta_update_extd_stats_rx_duration(struct ath10k *ar,
130 struct ath10k_fw_stats *stats)
131{
132 struct ath10k_fw_extd_stats_peer *peer;
133 struct ieee80211_sta *sta;
134 struct ath10k_sta *arsta;
135
136 rcu_read_lock();
137 list_for_each_entry(peer, &stats->peers_extd, list) {
138 sta = ieee80211_find_sta_by_ifaddr(hw: ar->hw, addr: peer->peer_macaddr,
139 NULL);
140 if (!sta)
141 continue;
142 arsta = (struct ath10k_sta *)sta->drv_priv;
143 arsta->rx_duration += (u64)peer->rx_duration;
144 }
145 rcu_read_unlock();
146}
147
148static void ath10k_sta_update_stats_rx_duration(struct ath10k *ar,
149 struct ath10k_fw_stats *stats)
150{
151 struct ath10k_fw_stats_peer *peer;
152 struct ieee80211_sta *sta;
153 struct ath10k_sta *arsta;
154
155 rcu_read_lock();
156 list_for_each_entry(peer, &stats->peers, list) {
157 sta = ieee80211_find_sta_by_ifaddr(hw: ar->hw, addr: peer->peer_macaddr,
158 NULL);
159 if (!sta)
160 continue;
161 arsta = (struct ath10k_sta *)sta->drv_priv;
162 arsta->rx_duration += (u64)peer->rx_duration;
163 }
164 rcu_read_unlock();
165}
166
167void ath10k_sta_update_rx_duration(struct ath10k *ar,
168 struct ath10k_fw_stats *stats)
169{
170 if (stats->extended)
171 ath10k_sta_update_extd_stats_rx_duration(ar, stats);
172 else
173 ath10k_sta_update_stats_rx_duration(ar, stats);
174}
175
176static ssize_t ath10k_dbg_sta_read_aggr_mode(struct file *file,
177 char __user *user_buf,
178 size_t count, loff_t *ppos)
179{
180 struct ieee80211_sta *sta = file->private_data;
181 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
182 struct ath10k *ar = arsta->arvif->ar;
183 char buf[32];
184 int len = 0;
185
186 mutex_lock(&ar->conf_mutex);
187 len = scnprintf(buf, size: sizeof(buf) - len, fmt: "aggregation mode: %s\n",
188 (arsta->aggr_mode == ATH10K_DBG_AGGR_MODE_AUTO) ?
189 "auto" : "manual");
190 mutex_unlock(lock: &ar->conf_mutex);
191
192 return simple_read_from_buffer(to: user_buf, count, ppos, from: buf, available: len);
193}
194
195static ssize_t ath10k_dbg_sta_write_aggr_mode(struct file *file,
196 const char __user *user_buf,
197 size_t count, loff_t *ppos)
198{
199 struct ieee80211_sta *sta = file->private_data;
200 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
201 struct ath10k *ar = arsta->arvif->ar;
202 u32 aggr_mode;
203 int ret;
204
205 if (kstrtouint_from_user(s: user_buf, count, base: 0, res: &aggr_mode))
206 return -EINVAL;
207
208 if (aggr_mode >= ATH10K_DBG_AGGR_MODE_MAX)
209 return -EINVAL;
210
211 mutex_lock(&ar->conf_mutex);
212 if ((ar->state != ATH10K_STATE_ON) ||
213 (aggr_mode == arsta->aggr_mode)) {
214 ret = count;
215 goto out;
216 }
217
218 ret = ath10k_wmi_addba_clear_resp(ar, vdev_id: arsta->arvif->vdev_id, mac: sta->addr);
219 if (ret) {
220 ath10k_warn(ar, fmt: "failed to clear addba session ret: %d\n", ret);
221 goto out;
222 }
223
224 arsta->aggr_mode = aggr_mode;
225out:
226 mutex_unlock(lock: &ar->conf_mutex);
227 return ret;
228}
229
230static const struct file_operations fops_aggr_mode = {
231 .read = ath10k_dbg_sta_read_aggr_mode,
232 .write = ath10k_dbg_sta_write_aggr_mode,
233 .open = simple_open,
234 .owner = THIS_MODULE,
235 .llseek = default_llseek,
236};
237
238static ssize_t ath10k_dbg_sta_write_addba(struct file *file,
239 const char __user *user_buf,
240 size_t count, loff_t *ppos)
241{
242 struct ieee80211_sta *sta = file->private_data;
243 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
244 struct ath10k *ar = arsta->arvif->ar;
245 u32 tid, buf_size;
246 int ret;
247 char buf[64] = {0};
248
249 ret = simple_write_to_buffer(to: buf, available: sizeof(buf) - 1, ppos,
250 from: user_buf, count);
251 if (ret <= 0)
252 return ret;
253
254 ret = sscanf(buf, "%u %u", &tid, &buf_size);
255 if (ret != 2)
256 return -EINVAL;
257
258 /* Valid TID values are 0 through 15 */
259 if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
260 return -EINVAL;
261
262 mutex_lock(&ar->conf_mutex);
263 if ((ar->state != ATH10K_STATE_ON) ||
264 (arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) {
265 ret = count;
266 goto out;
267 }
268
269 ret = ath10k_wmi_addba_send(ar, vdev_id: arsta->arvif->vdev_id, mac: sta->addr,
270 tid, buf_size);
271 if (ret) {
272 ath10k_warn(ar, fmt: "failed to send addba request: vdev_id %u peer %pM tid %u buf_size %u\n",
273 arsta->arvif->vdev_id, sta->addr, tid, buf_size);
274 }
275
276 ret = count;
277out:
278 mutex_unlock(lock: &ar->conf_mutex);
279 return ret;
280}
281
282static const struct file_operations fops_addba = {
283 .write = ath10k_dbg_sta_write_addba,
284 .open = simple_open,
285 .owner = THIS_MODULE,
286 .llseek = default_llseek,
287};
288
289static ssize_t ath10k_dbg_sta_write_addba_resp(struct file *file,
290 const char __user *user_buf,
291 size_t count, loff_t *ppos)
292{
293 struct ieee80211_sta *sta = file->private_data;
294 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
295 struct ath10k *ar = arsta->arvif->ar;
296 u32 tid, status;
297 int ret;
298 char buf[64] = {0};
299
300 ret = simple_write_to_buffer(to: buf, available: sizeof(buf) - 1, ppos,
301 from: user_buf, count);
302 if (ret <= 0)
303 return ret;
304
305 ret = sscanf(buf, "%u %u", &tid, &status);
306 if (ret != 2)
307 return -EINVAL;
308
309 /* Valid TID values are 0 through 15 */
310 if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
311 return -EINVAL;
312
313 mutex_lock(&ar->conf_mutex);
314 if ((ar->state != ATH10K_STATE_ON) ||
315 (arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) {
316 ret = count;
317 goto out;
318 }
319
320 ret = ath10k_wmi_addba_set_resp(ar, vdev_id: arsta->arvif->vdev_id, mac: sta->addr,
321 tid, status);
322 if (ret) {
323 ath10k_warn(ar, fmt: "failed to send addba response: vdev_id %u peer %pM tid %u status%u\n",
324 arsta->arvif->vdev_id, sta->addr, tid, status);
325 }
326 ret = count;
327out:
328 mutex_unlock(lock: &ar->conf_mutex);
329 return ret;
330}
331
332static const struct file_operations fops_addba_resp = {
333 .write = ath10k_dbg_sta_write_addba_resp,
334 .open = simple_open,
335 .owner = THIS_MODULE,
336 .llseek = default_llseek,
337};
338
339static ssize_t ath10k_dbg_sta_write_delba(struct file *file,
340 const char __user *user_buf,
341 size_t count, loff_t *ppos)
342{
343 struct ieee80211_sta *sta = file->private_data;
344 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
345 struct ath10k *ar = arsta->arvif->ar;
346 u32 tid, initiator, reason;
347 int ret;
348 char buf[64] = {0};
349
350 ret = simple_write_to_buffer(to: buf, available: sizeof(buf) - 1, ppos,
351 from: user_buf, count);
352 if (ret <= 0)
353 return ret;
354
355 ret = sscanf(buf, "%u %u %u", &tid, &initiator, &reason);
356 if (ret != 3)
357 return -EINVAL;
358
359 /* Valid TID values are 0 through 15 */
360 if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2)
361 return -EINVAL;
362
363 mutex_lock(&ar->conf_mutex);
364 if ((ar->state != ATH10K_STATE_ON) ||
365 (arsta->aggr_mode != ATH10K_DBG_AGGR_MODE_MANUAL)) {
366 ret = count;
367 goto out;
368 }
369
370 ret = ath10k_wmi_delba_send(ar, vdev_id: arsta->arvif->vdev_id, mac: sta->addr,
371 tid, initiator, reason);
372 if (ret) {
373 ath10k_warn(ar, fmt: "failed to send delba: vdev_id %u peer %pM tid %u initiator %u reason %u\n",
374 arsta->arvif->vdev_id, sta->addr, tid, initiator,
375 reason);
376 }
377 ret = count;
378out:
379 mutex_unlock(lock: &ar->conf_mutex);
380 return ret;
381}
382
383static const struct file_operations fops_delba = {
384 .write = ath10k_dbg_sta_write_delba,
385 .open = simple_open,
386 .owner = THIS_MODULE,
387 .llseek = default_llseek,
388};
389
390static ssize_t ath10k_dbg_sta_read_peer_debug_trigger(struct file *file,
391 char __user *user_buf,
392 size_t count,
393 loff_t *ppos)
394{
395 struct ieee80211_sta *sta = file->private_data;
396 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
397 struct ath10k *ar = arsta->arvif->ar;
398 char buf[8];
399 int len = 0;
400
401 mutex_lock(&ar->conf_mutex);
402 len = scnprintf(buf, size: sizeof(buf) - len,
403 fmt: "Write 1 to once trigger the debug logs\n");
404 mutex_unlock(lock: &ar->conf_mutex);
405
406 return simple_read_from_buffer(to: user_buf, count, ppos, from: buf, available: len);
407}
408
409static ssize_t
410ath10k_dbg_sta_write_peer_debug_trigger(struct file *file,
411 const char __user *user_buf,
412 size_t count, loff_t *ppos)
413{
414 struct ieee80211_sta *sta = file->private_data;
415 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
416 struct ath10k *ar = arsta->arvif->ar;
417 u8 peer_debug_trigger;
418 int ret;
419
420 if (kstrtou8_from_user(s: user_buf, count, base: 0, res: &peer_debug_trigger))
421 return -EINVAL;
422
423 if (peer_debug_trigger != 1)
424 return -EINVAL;
425
426 mutex_lock(&ar->conf_mutex);
427
428 if (ar->state != ATH10K_STATE_ON) {
429 ret = -ENETDOWN;
430 goto out;
431 }
432
433 ret = ath10k_wmi_peer_set_param(ar, vdev_id: arsta->arvif->vdev_id, peer_addr: sta->addr,
434 param_id: ar->wmi.peer_param->debug, param_value: peer_debug_trigger);
435 if (ret) {
436 ath10k_warn(ar, fmt: "failed to set param to trigger peer tid logs for station ret: %d\n",
437 ret);
438 goto out;
439 }
440out:
441 mutex_unlock(lock: &ar->conf_mutex);
442 return count;
443}
444
445static const struct file_operations fops_peer_debug_trigger = {
446 .open = simple_open,
447 .read = ath10k_dbg_sta_read_peer_debug_trigger,
448 .write = ath10k_dbg_sta_write_peer_debug_trigger,
449 .owner = THIS_MODULE,
450 .llseek = default_llseek,
451};
452
453static ssize_t ath10k_dbg_sta_read_peer_ps_state(struct file *file,
454 char __user *user_buf,
455 size_t count, loff_t *ppos)
456{
457 struct ieee80211_sta *sta = file->private_data;
458 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
459 struct ath10k *ar = arsta->arvif->ar;
460 char buf[20];
461 int len = 0;
462
463 spin_lock_bh(lock: &ar->data_lock);
464
465 len = scnprintf(buf, size: sizeof(buf) - len, fmt: "%d\n",
466 arsta->peer_ps_state);
467
468 spin_unlock_bh(lock: &ar->data_lock);
469
470 return simple_read_from_buffer(to: user_buf, count, ppos, from: buf, available: len);
471}
472
473static const struct file_operations fops_peer_ps_state = {
474 .open = simple_open,
475 .read = ath10k_dbg_sta_read_peer_ps_state,
476 .owner = THIS_MODULE,
477 .llseek = default_llseek,
478};
479
480static char *get_err_str(enum ath10k_pkt_rx_err i)
481{
482 switch (i) {
483 case ATH10K_PKT_RX_ERR_FCS:
484 return "fcs_err";
485 case ATH10K_PKT_RX_ERR_TKIP:
486 return "tkip_err";
487 case ATH10K_PKT_RX_ERR_CRYPT:
488 return "crypt_err";
489 case ATH10K_PKT_RX_ERR_PEER_IDX_INVAL:
490 return "peer_idx_inval";
491 case ATH10K_PKT_RX_ERR_MAX:
492 return "unknown";
493 }
494
495 return "unknown";
496}
497
498static char *get_num_ampdu_subfrm_str(enum ath10k_ampdu_subfrm_num i)
499{
500 switch (i) {
501 case ATH10K_AMPDU_SUBFRM_NUM_10:
502 return "up to 10";
503 case ATH10K_AMPDU_SUBFRM_NUM_20:
504 return "11-20";
505 case ATH10K_AMPDU_SUBFRM_NUM_30:
506 return "21-30";
507 case ATH10K_AMPDU_SUBFRM_NUM_40:
508 return "31-40";
509 case ATH10K_AMPDU_SUBFRM_NUM_50:
510 return "41-50";
511 case ATH10K_AMPDU_SUBFRM_NUM_60:
512 return "51-60";
513 case ATH10K_AMPDU_SUBFRM_NUM_MORE:
514 return ">60";
515 case ATH10K_AMPDU_SUBFRM_NUM_MAX:
516 return "0";
517 }
518
519 return "0";
520}
521
522static char *get_num_amsdu_subfrm_str(enum ath10k_amsdu_subfrm_num i)
523{
524 switch (i) {
525 case ATH10K_AMSDU_SUBFRM_NUM_1:
526 return "1";
527 case ATH10K_AMSDU_SUBFRM_NUM_2:
528 return "2";
529 case ATH10K_AMSDU_SUBFRM_NUM_3:
530 return "3";
531 case ATH10K_AMSDU_SUBFRM_NUM_4:
532 return "4";
533 case ATH10K_AMSDU_SUBFRM_NUM_MORE:
534 return ">4";
535 case ATH10K_AMSDU_SUBFRM_NUM_MAX:
536 return "0";
537 }
538
539 return "0";
540}
541
542#define PRINT_TID_STATS(_field, _tabs) \
543 do { \
544 int k = 0; \
545 for (j = 0; j <= IEEE80211_NUM_TIDS; j++) { \
546 if (ar->sta_tid_stats_mask & BIT(j)) { \
547 len += scnprintf(buf + len, buf_len - len, \
548 "[%02d] %-10lu ", \
549 j, stats[j]._field); \
550 k++; \
551 if (k % 8 == 0) { \
552 len += scnprintf(buf + len, \
553 buf_len - len, "\n"); \
554 len += scnprintf(buf + len, \
555 buf_len - len, \
556 _tabs); \
557 } \
558 } \
559 } \
560 len += scnprintf(buf + len, buf_len - len, "\n"); \
561 } while (0)
562
563static ssize_t ath10k_dbg_sta_read_tid_stats(struct file *file,
564 char __user *user_buf,
565 size_t count, loff_t *ppos)
566{
567 struct ieee80211_sta *sta = file->private_data;
568 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
569 struct ath10k *ar = arsta->arvif->ar;
570 struct ath10k_sta_tid_stats *stats = arsta->tid_stats;
571 size_t len = 0, buf_len = 1048 * IEEE80211_NUM_TIDS;
572 char *buf;
573 int i, j;
574 ssize_t ret;
575
576 buf = kzalloc(size: buf_len, GFP_KERNEL);
577 if (!buf)
578 return -ENOMEM;
579
580 mutex_lock(&ar->conf_mutex);
581
582 spin_lock_bh(lock: &ar->data_lock);
583
584 len += scnprintf(buf: buf + len, size: buf_len - len,
585 fmt: "\n\t\tDriver Rx pkt stats per tid, ([tid] count)\n");
586 len += scnprintf(buf: buf + len, size: buf_len - len,
587 fmt: "\t\t------------------------------------------\n");
588 len += scnprintf(buf: buf + len, size: buf_len - len, fmt: "MSDUs from FW\t\t\t");
589 PRINT_TID_STATS(rx_pkt_from_fw, "\t\t\t\t");
590
591 len += scnprintf(buf: buf + len, size: buf_len - len, fmt: "MSDUs unchained\t\t\t");
592 PRINT_TID_STATS(rx_pkt_unchained, "\t\t\t\t");
593
594 len += scnprintf(buf: buf + len, size: buf_len - len,
595 fmt: "MSDUs locally dropped:chained\t");
596 PRINT_TID_STATS(rx_pkt_drop_chained, "\t\t\t\t");
597
598 len += scnprintf(buf: buf + len, size: buf_len - len,
599 fmt: "MSDUs locally dropped:filtered\t");
600 PRINT_TID_STATS(rx_pkt_drop_filter, "\t\t\t\t");
601
602 len += scnprintf(buf: buf + len, size: buf_len - len,
603 fmt: "MSDUs queued for mac80211\t");
604 PRINT_TID_STATS(rx_pkt_queued_for_mac, "\t\t\t\t");
605
606 for (i = 0; i < ATH10K_PKT_RX_ERR_MAX; i++) {
607 len += scnprintf(buf: buf + len, size: buf_len - len,
608 fmt: "MSDUs with error:%s\t", get_err_str(i));
609 PRINT_TID_STATS(rx_pkt_err[i], "\t\t\t\t");
610 }
611
612 len += scnprintf(buf: buf + len, size: buf_len - len, fmt: "\n");
613 for (i = 0; i < ATH10K_AMPDU_SUBFRM_NUM_MAX; i++) {
614 len += scnprintf(buf: buf + len, size: buf_len - len,
615 fmt: "A-MPDU num subframes %s\t",
616 get_num_ampdu_subfrm_str(i));
617 PRINT_TID_STATS(rx_pkt_ampdu[i], "\t\t\t\t");
618 }
619
620 len += scnprintf(buf: buf + len, size: buf_len - len, fmt: "\n");
621 for (i = 0; i < ATH10K_AMSDU_SUBFRM_NUM_MAX; i++) {
622 len += scnprintf(buf: buf + len, size: buf_len - len,
623 fmt: "A-MSDU num subframes %s\t\t",
624 get_num_amsdu_subfrm_str(i));
625 PRINT_TID_STATS(rx_pkt_amsdu[i], "\t\t\t\t");
626 }
627
628 spin_unlock_bh(lock: &ar->data_lock);
629
630 ret = simple_read_from_buffer(to: user_buf, count, ppos, from: buf, available: len);
631
632 kfree(objp: buf);
633
634 mutex_unlock(lock: &ar->conf_mutex);
635
636 return ret;
637}
638
639static const struct file_operations fops_tid_stats_dump = {
640 .open = simple_open,
641 .read = ath10k_dbg_sta_read_tid_stats,
642 .owner = THIS_MODULE,
643 .llseek = default_llseek,
644};
645
646static ssize_t ath10k_dbg_sta_dump_tx_stats(struct file *file,
647 char __user *user_buf,
648 size_t count, loff_t *ppos)
649{
650 struct ieee80211_sta *sta = file->private_data;
651 struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
652 struct ath10k *ar = arsta->arvif->ar;
653 struct ath10k_htt_data_stats *stats;
654 const char *str_name[ATH10K_STATS_TYPE_MAX] = {"succ", "fail",
655 "retry", "ampdu"};
656 const char *str[ATH10K_COUNTER_TYPE_MAX] = {"bytes", "packets"};
657 int len = 0, i, j, k, retval = 0;
658 const int size = 16 * 4096;
659 char *buf;
660
661 buf = kzalloc(size, GFP_KERNEL);
662 if (!buf)
663 return -ENOMEM;
664
665 mutex_lock(&ar->conf_mutex);
666
667 if (!arsta->tx_stats) {
668 ath10k_warn(ar, fmt: "failed to get tx stats");
669 mutex_unlock(lock: &ar->conf_mutex);
670 kfree(objp: buf);
671 return 0;
672 }
673
674 spin_lock_bh(lock: &ar->data_lock);
675 for (k = 0; k < ATH10K_STATS_TYPE_MAX; k++) {
676 for (j = 0; j < ATH10K_COUNTER_TYPE_MAX; j++) {
677 stats = &arsta->tx_stats->stats[k];
678 len += scnprintf(buf: buf + len, size: size - len, fmt: "%s_%s\n",
679 str_name[k],
680 str[j]);
681 len += scnprintf(buf: buf + len, size: size - len,
682 fmt: " VHT MCS %s\n",
683 str[j]);
684 for (i = 0; i < ATH10K_VHT_MCS_NUM; i++)
685 len += scnprintf(buf: buf + len, size: size - len,
686 fmt: " %llu ",
687 stats->vht[j][i]);
688 len += scnprintf(buf: buf + len, size: size - len, fmt: "\n");
689 len += scnprintf(buf: buf + len, size: size - len, fmt: " HT MCS %s\n",
690 str[j]);
691 for (i = 0; i < ATH10K_HT_MCS_NUM; i++)
692 len += scnprintf(buf: buf + len, size: size - len,
693 fmt: " %llu ", stats->ht[j][i]);
694 len += scnprintf(buf: buf + len, size: size - len, fmt: "\n");
695 len += scnprintf(buf: buf + len, size: size - len,
696 fmt: " BW %s (20,5,10,40,80,160 MHz)\n", str[j]);
697 len += scnprintf(buf: buf + len, size: size - len,
698 fmt: " %llu %llu %llu %llu %llu %llu\n",
699 stats->bw[j][0], stats->bw[j][1],
700 stats->bw[j][2], stats->bw[j][3],
701 stats->bw[j][4], stats->bw[j][5]);
702 len += scnprintf(buf: buf + len, size: size - len,
703 fmt: " NSS %s (1x1,2x2,3x3,4x4)\n", str[j]);
704 len += scnprintf(buf: buf + len, size: size - len,
705 fmt: " %llu %llu %llu %llu\n",
706 stats->nss[j][0], stats->nss[j][1],
707 stats->nss[j][2], stats->nss[j][3]);
708 len += scnprintf(buf: buf + len, size: size - len,
709 fmt: " GI %s (LGI,SGI)\n",
710 str[j]);
711 len += scnprintf(buf: buf + len, size: size - len, fmt: " %llu %llu\n",
712 stats->gi[j][0], stats->gi[j][1]);
713 len += scnprintf(buf: buf + len, size: size - len,
714 fmt: " legacy rate %s (1,2 ... Mbps)\n ",
715 str[j]);
716 for (i = 0; i < ATH10K_LEGACY_NUM; i++)
717 len += scnprintf(buf: buf + len, size: size - len, fmt: "%llu ",
718 stats->legacy[j][i]);
719 len += scnprintf(buf: buf + len, size: size - len, fmt: "\n");
720 len += scnprintf(buf: buf + len, size: size - len,
721 fmt: " Rate table %s (1,2 ... Mbps)\n ",
722 str[j]);
723 for (i = 0; i < ATH10K_RATE_TABLE_NUM; i++) {
724 len += scnprintf(buf: buf + len, size: size - len, fmt: "%llu ",
725 stats->rate_table[j][i]);
726 if (!((i + 1) % 8))
727 len +=
728 scnprintf(buf: buf + len, size: size - len, fmt: "\n ");
729 }
730 }
731 }
732
733 len += scnprintf(buf: buf + len, size: size - len,
734 fmt: "\nTX duration\n %llu usecs\n",
735 arsta->tx_stats->tx_duration);
736 len += scnprintf(buf: buf + len, size: size - len,
737 fmt: "BA fails\n %llu\n", arsta->tx_stats->ba_fails);
738 len += scnprintf(buf: buf + len, size: size - len,
739 fmt: "ack fails\n %llu\n", arsta->tx_stats->ack_fails);
740 spin_unlock_bh(lock: &ar->data_lock);
741
742 if (len > size)
743 len = size;
744 retval = simple_read_from_buffer(to: user_buf, count, ppos, from: buf, available: len);
745 kfree(objp: buf);
746
747 mutex_unlock(lock: &ar->conf_mutex);
748 return retval;
749}
750
751static const struct file_operations fops_tx_stats = {
752 .read = ath10k_dbg_sta_dump_tx_stats,
753 .open = simple_open,
754 .owner = THIS_MODULE,
755 .llseek = default_llseek,
756};
757
758void ath10k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
759 struct ieee80211_sta *sta, struct dentry *dir)
760{
761 struct ath10k *ar = hw->priv;
762
763 debugfs_create_file(name: "aggr_mode", mode: 0644, parent: dir, data: sta, fops: &fops_aggr_mode);
764 debugfs_create_file(name: "addba", mode: 0200, parent: dir, data: sta, fops: &fops_addba);
765 debugfs_create_file(name: "addba_resp", mode: 0200, parent: dir, data: sta, fops: &fops_addba_resp);
766 debugfs_create_file(name: "delba", mode: 0200, parent: dir, data: sta, fops: &fops_delba);
767 debugfs_create_file(name: "peer_debug_trigger", mode: 0600, parent: dir, data: sta,
768 fops: &fops_peer_debug_trigger);
769 debugfs_create_file(name: "dump_tid_stats", mode: 0400, parent: dir, data: sta,
770 fops: &fops_tid_stats_dump);
771
772 if (ath10k_peer_stats_enabled(ar) &&
773 ath10k_debug_is_extd_tx_stats_enabled(ar))
774 debugfs_create_file(name: "tx_stats", mode: 0400, parent: dir, data: sta,
775 fops: &fops_tx_stats);
776 debugfs_create_file(name: "peer_ps_state", mode: 0400, parent: dir, data: sta,
777 fops: &fops_peer_ps_state);
778}
779

source code of linux/drivers/net/wireless/ath/ath10k/debugfs_sta.c