1 // SPDX-License-Identifier: BSD-3-Clause-Clear
2 /*
3 * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
4 * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
5 */
6
7 #include <linux/vmalloc.h>
8
9 #include "debugfs_sta.h"
10 #include "core.h"
11 #include "peer.h"
12 #include "debug.h"
13 #include "dp_tx.h"
14 #include "debugfs_htt_stats.h"
15
ath11k_debugfs_sta_add_tx_stats(struct ath11k_sta * arsta,struct ath11k_per_peer_tx_stats * peer_stats,u8 legacy_rate_idx)16 void ath11k_debugfs_sta_add_tx_stats(struct ath11k_sta *arsta,
17 struct ath11k_per_peer_tx_stats *peer_stats,
18 u8 legacy_rate_idx)
19 {
20 struct rate_info *txrate = &arsta->txrate;
21 struct ath11k_htt_tx_stats *tx_stats;
22 int gi, mcs, bw, nss;
23
24 if (!arsta->tx_stats)
25 return;
26
27 tx_stats = arsta->tx_stats;
28 gi = FIELD_GET(RATE_INFO_FLAGS_SHORT_GI, arsta->txrate.flags);
29 mcs = txrate->mcs;
30 bw = ath11k_mac_mac80211_bw_to_ath11k_bw(txrate->bw);
31 nss = txrate->nss - 1;
32
33 #define STATS_OP_FMT(name) tx_stats->stats[ATH11K_STATS_TYPE_##name]
34
35 if (txrate->flags & RATE_INFO_FLAGS_HE_MCS) {
36 STATS_OP_FMT(SUCC).he[0][mcs] += peer_stats->succ_bytes;
37 STATS_OP_FMT(SUCC).he[1][mcs] += peer_stats->succ_pkts;
38 STATS_OP_FMT(FAIL).he[0][mcs] += peer_stats->failed_bytes;
39 STATS_OP_FMT(FAIL).he[1][mcs] += peer_stats->failed_pkts;
40 STATS_OP_FMT(RETRY).he[0][mcs] += peer_stats->retry_bytes;
41 STATS_OP_FMT(RETRY).he[1][mcs] += peer_stats->retry_pkts;
42 } else if (txrate->flags & RATE_INFO_FLAGS_VHT_MCS) {
43 STATS_OP_FMT(SUCC).vht[0][mcs] += peer_stats->succ_bytes;
44 STATS_OP_FMT(SUCC).vht[1][mcs] += peer_stats->succ_pkts;
45 STATS_OP_FMT(FAIL).vht[0][mcs] += peer_stats->failed_bytes;
46 STATS_OP_FMT(FAIL).vht[1][mcs] += peer_stats->failed_pkts;
47 STATS_OP_FMT(RETRY).vht[0][mcs] += peer_stats->retry_bytes;
48 STATS_OP_FMT(RETRY).vht[1][mcs] += peer_stats->retry_pkts;
49 } else if (txrate->flags & RATE_INFO_FLAGS_MCS) {
50 STATS_OP_FMT(SUCC).ht[0][mcs] += peer_stats->succ_bytes;
51 STATS_OP_FMT(SUCC).ht[1][mcs] += peer_stats->succ_pkts;
52 STATS_OP_FMT(FAIL).ht[0][mcs] += peer_stats->failed_bytes;
53 STATS_OP_FMT(FAIL).ht[1][mcs] += peer_stats->failed_pkts;
54 STATS_OP_FMT(RETRY).ht[0][mcs] += peer_stats->retry_bytes;
55 STATS_OP_FMT(RETRY).ht[1][mcs] += peer_stats->retry_pkts;
56 } else {
57 mcs = legacy_rate_idx;
58
59 STATS_OP_FMT(SUCC).legacy[0][mcs] += peer_stats->succ_bytes;
60 STATS_OP_FMT(SUCC).legacy[1][mcs] += peer_stats->succ_pkts;
61 STATS_OP_FMT(FAIL).legacy[0][mcs] += peer_stats->failed_bytes;
62 STATS_OP_FMT(FAIL).legacy[1][mcs] += peer_stats->failed_pkts;
63 STATS_OP_FMT(RETRY).legacy[0][mcs] += peer_stats->retry_bytes;
64 STATS_OP_FMT(RETRY).legacy[1][mcs] += peer_stats->retry_pkts;
65 }
66
67 if (peer_stats->is_ampdu) {
68 tx_stats->ba_fails += peer_stats->ba_fails;
69
70 if (txrate->flags & RATE_INFO_FLAGS_HE_MCS) {
71 STATS_OP_FMT(AMPDU).he[0][mcs] +=
72 peer_stats->succ_bytes + peer_stats->retry_bytes;
73 STATS_OP_FMT(AMPDU).he[1][mcs] +=
74 peer_stats->succ_pkts + peer_stats->retry_pkts;
75 } else if (txrate->flags & RATE_INFO_FLAGS_MCS) {
76 STATS_OP_FMT(AMPDU).ht[0][mcs] +=
77 peer_stats->succ_bytes + peer_stats->retry_bytes;
78 STATS_OP_FMT(AMPDU).ht[1][mcs] +=
79 peer_stats->succ_pkts + peer_stats->retry_pkts;
80 } else {
81 STATS_OP_FMT(AMPDU).vht[0][mcs] +=
82 peer_stats->succ_bytes + peer_stats->retry_bytes;
83 STATS_OP_FMT(AMPDU).vht[1][mcs] +=
84 peer_stats->succ_pkts + peer_stats->retry_pkts;
85 }
86 STATS_OP_FMT(AMPDU).bw[0][bw] +=
87 peer_stats->succ_bytes + peer_stats->retry_bytes;
88 STATS_OP_FMT(AMPDU).nss[0][nss] +=
89 peer_stats->succ_bytes + peer_stats->retry_bytes;
90 STATS_OP_FMT(AMPDU).gi[0][gi] +=
91 peer_stats->succ_bytes + peer_stats->retry_bytes;
92 STATS_OP_FMT(AMPDU).bw[1][bw] +=
93 peer_stats->succ_pkts + peer_stats->retry_pkts;
94 STATS_OP_FMT(AMPDU).nss[1][nss] +=
95 peer_stats->succ_pkts + peer_stats->retry_pkts;
96 STATS_OP_FMT(AMPDU).gi[1][gi] +=
97 peer_stats->succ_pkts + peer_stats->retry_pkts;
98 } else {
99 tx_stats->ack_fails += peer_stats->ba_fails;
100 }
101
102 STATS_OP_FMT(SUCC).bw[0][bw] += peer_stats->succ_bytes;
103 STATS_OP_FMT(SUCC).nss[0][nss] += peer_stats->succ_bytes;
104 STATS_OP_FMT(SUCC).gi[0][gi] += peer_stats->succ_bytes;
105
106 STATS_OP_FMT(SUCC).bw[1][bw] += peer_stats->succ_pkts;
107 STATS_OP_FMT(SUCC).nss[1][nss] += peer_stats->succ_pkts;
108 STATS_OP_FMT(SUCC).gi[1][gi] += peer_stats->succ_pkts;
109
110 STATS_OP_FMT(FAIL).bw[0][bw] += peer_stats->failed_bytes;
111 STATS_OP_FMT(FAIL).nss[0][nss] += peer_stats->failed_bytes;
112 STATS_OP_FMT(FAIL).gi[0][gi] += peer_stats->failed_bytes;
113
114 STATS_OP_FMT(FAIL).bw[1][bw] += peer_stats->failed_pkts;
115 STATS_OP_FMT(FAIL).nss[1][nss] += peer_stats->failed_pkts;
116 STATS_OP_FMT(FAIL).gi[1][gi] += peer_stats->failed_pkts;
117
118 STATS_OP_FMT(RETRY).bw[0][bw] += peer_stats->retry_bytes;
119 STATS_OP_FMT(RETRY).nss[0][nss] += peer_stats->retry_bytes;
120 STATS_OP_FMT(RETRY).gi[0][gi] += peer_stats->retry_bytes;
121
122 STATS_OP_FMT(RETRY).bw[1][bw] += peer_stats->retry_pkts;
123 STATS_OP_FMT(RETRY).nss[1][nss] += peer_stats->retry_pkts;
124 STATS_OP_FMT(RETRY).gi[1][gi] += peer_stats->retry_pkts;
125
126 tx_stats->tx_duration += peer_stats->duration;
127 }
128
ath11k_debugfs_sta_update_txcompl(struct ath11k * ar,struct hal_tx_status * ts)129 void ath11k_debugfs_sta_update_txcompl(struct ath11k *ar,
130 struct hal_tx_status *ts)
131 {
132 ath11k_dp_tx_update_txcompl(ar, ts);
133 }
134
ath11k_dbg_sta_dump_tx_stats(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)135 static ssize_t ath11k_dbg_sta_dump_tx_stats(struct file *file,
136 char __user *user_buf,
137 size_t count, loff_t *ppos)
138 {
139 struct ieee80211_sta *sta = file->private_data;
140 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
141 struct ath11k *ar = arsta->arvif->ar;
142 struct ath11k_htt_data_stats *stats;
143 static const char *str_name[ATH11K_STATS_TYPE_MAX] = {"succ", "fail",
144 "retry", "ampdu"};
145 static const char *str[ATH11K_COUNTER_TYPE_MAX] = {"bytes", "packets"};
146 int len = 0, i, j, k, retval = 0;
147 const int size = 2 * 4096;
148 char *buf;
149
150 if (!arsta->tx_stats)
151 return -ENOENT;
152
153 buf = kzalloc(size, GFP_KERNEL);
154 if (!buf)
155 return -ENOMEM;
156
157 mutex_lock(&ar->conf_mutex);
158
159 spin_lock_bh(&ar->data_lock);
160 for (k = 0; k < ATH11K_STATS_TYPE_MAX; k++) {
161 for (j = 0; j < ATH11K_COUNTER_TYPE_MAX; j++) {
162 stats = &arsta->tx_stats->stats[k];
163 len += scnprintf(buf + len, size - len, "%s_%s\n",
164 str_name[k],
165 str[j]);
166 len += scnprintf(buf + len, size - len,
167 " HE MCS %s\n",
168 str[j]);
169 for (i = 0; i < ATH11K_HE_MCS_NUM; i++)
170 len += scnprintf(buf + len, size - len,
171 " %llu ",
172 stats->he[j][i]);
173 len += scnprintf(buf + len, size - len, "\n");
174 len += scnprintf(buf + len, size - len,
175 " VHT MCS %s\n",
176 str[j]);
177 for (i = 0; i < ATH11K_VHT_MCS_NUM; i++)
178 len += scnprintf(buf + len, size - len,
179 " %llu ",
180 stats->vht[j][i]);
181 len += scnprintf(buf + len, size - len, "\n");
182 len += scnprintf(buf + len, size - len, " HT MCS %s\n",
183 str[j]);
184 for (i = 0; i < ATH11K_HT_MCS_NUM; i++)
185 len += scnprintf(buf + len, size - len,
186 " %llu ", stats->ht[j][i]);
187 len += scnprintf(buf + len, size - len, "\n");
188 len += scnprintf(buf + len, size - len,
189 " BW %s (20,40,80,160 MHz)\n", str[j]);
190 len += scnprintf(buf + len, size - len,
191 " %llu %llu %llu %llu\n",
192 stats->bw[j][0], stats->bw[j][1],
193 stats->bw[j][2], stats->bw[j][3]);
194 len += scnprintf(buf + len, size - len,
195 " NSS %s (1x1,2x2,3x3,4x4)\n", str[j]);
196 len += scnprintf(buf + len, size - len,
197 " %llu %llu %llu %llu\n",
198 stats->nss[j][0], stats->nss[j][1],
199 stats->nss[j][2], stats->nss[j][3]);
200 len += scnprintf(buf + len, size - len,
201 " GI %s (0.4us,0.8us,1.6us,3.2us)\n",
202 str[j]);
203 len += scnprintf(buf + len, size - len,
204 " %llu %llu %llu %llu\n",
205 stats->gi[j][0], stats->gi[j][1],
206 stats->gi[j][2], stats->gi[j][3]);
207 len += scnprintf(buf + len, size - len,
208 " legacy rate %s (1,2 ... Mbps)\n ",
209 str[j]);
210 for (i = 0; i < ATH11K_LEGACY_NUM; i++)
211 len += scnprintf(buf + len, size - len, "%llu ",
212 stats->legacy[j][i]);
213 len += scnprintf(buf + len, size - len, "\n");
214 }
215 }
216
217 len += scnprintf(buf + len, size - len,
218 "\nTX duration\n %llu usecs\n",
219 arsta->tx_stats->tx_duration);
220 len += scnprintf(buf + len, size - len,
221 "BA fails\n %llu\n", arsta->tx_stats->ba_fails);
222 len += scnprintf(buf + len, size - len,
223 "ack fails\n %llu\n", arsta->tx_stats->ack_fails);
224 spin_unlock_bh(&ar->data_lock);
225
226 if (len > size)
227 len = size;
228 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
229 kfree(buf);
230
231 mutex_unlock(&ar->conf_mutex);
232 return retval;
233 }
234
235 static const struct file_operations fops_tx_stats = {
236 .read = ath11k_dbg_sta_dump_tx_stats,
237 .open = simple_open,
238 .owner = THIS_MODULE,
239 .llseek = default_llseek,
240 };
241
ath11k_dbg_sta_dump_rx_stats(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)242 static ssize_t ath11k_dbg_sta_dump_rx_stats(struct file *file,
243 char __user *user_buf,
244 size_t count, loff_t *ppos)
245 {
246 struct ieee80211_sta *sta = file->private_data;
247 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
248 struct ath11k *ar = arsta->arvif->ar;
249 struct ath11k_rx_peer_stats *rx_stats = arsta->rx_stats;
250 int len = 0, i, retval = 0;
251 const int size = 4096;
252 char *buf;
253
254 if (!rx_stats)
255 return -ENOENT;
256
257 buf = kzalloc(size, GFP_KERNEL);
258 if (!buf)
259 return -ENOMEM;
260
261 mutex_lock(&ar->conf_mutex);
262 spin_lock_bh(&ar->ab->base_lock);
263
264 len += scnprintf(buf + len, size - len, "RX peer stats:\n");
265 len += scnprintf(buf + len, size - len, "Num of MSDUs: %llu\n",
266 rx_stats->num_msdu);
267 len += scnprintf(buf + len, size - len, "Num of MSDUs with TCP L4: %llu\n",
268 rx_stats->tcp_msdu_count);
269 len += scnprintf(buf + len, size - len, "Num of MSDUs with UDP L4: %llu\n",
270 rx_stats->udp_msdu_count);
271 len += scnprintf(buf + len, size - len, "Num of MSDUs part of AMPDU: %llu\n",
272 rx_stats->ampdu_msdu_count);
273 len += scnprintf(buf + len, size - len, "Num of MSDUs not part of AMPDU: %llu\n",
274 rx_stats->non_ampdu_msdu_count);
275 len += scnprintf(buf + len, size - len, "Num of MSDUs using STBC: %llu\n",
276 rx_stats->stbc_count);
277 len += scnprintf(buf + len, size - len, "Num of MSDUs beamformed: %llu\n",
278 rx_stats->beamformed_count);
279 len += scnprintf(buf + len, size - len, "Num of MPDUs with FCS ok: %llu\n",
280 rx_stats->num_mpdu_fcs_ok);
281 len += scnprintf(buf + len, size - len, "Num of MPDUs with FCS error: %llu\n",
282 rx_stats->num_mpdu_fcs_err);
283 len += scnprintf(buf + len, size - len,
284 "GI: 0.8us %llu 0.4us %llu 1.6us %llu 3.2us %llu\n",
285 rx_stats->gi_count[0], rx_stats->gi_count[1],
286 rx_stats->gi_count[2], rx_stats->gi_count[3]);
287 len += scnprintf(buf + len, size - len,
288 "BW: 20Mhz %llu 40Mhz %llu 80Mhz %llu 160Mhz %llu\n",
289 rx_stats->bw_count[0], rx_stats->bw_count[1],
290 rx_stats->bw_count[2], rx_stats->bw_count[3]);
291 len += scnprintf(buf + len, size - len, "BCC %llu LDPC %llu\n",
292 rx_stats->coding_count[0], rx_stats->coding_count[1]);
293 len += scnprintf(buf + len, size - len,
294 "preamble: 11A %llu 11B %llu 11N %llu 11AC %llu 11AX %llu\n",
295 rx_stats->pream_cnt[0], rx_stats->pream_cnt[1],
296 rx_stats->pream_cnt[2], rx_stats->pream_cnt[3],
297 rx_stats->pream_cnt[4]);
298 len += scnprintf(buf + len, size - len,
299 "reception type: SU %llu MU_MIMO %llu MU_OFDMA %llu MU_OFDMA_MIMO %llu\n",
300 rx_stats->reception_type[0], rx_stats->reception_type[1],
301 rx_stats->reception_type[2], rx_stats->reception_type[3]);
302 len += scnprintf(buf + len, size - len, "TID(0-15) Legacy TID(16):");
303 for (i = 0; i <= IEEE80211_NUM_TIDS; i++)
304 len += scnprintf(buf + len, size - len, "%llu ", rx_stats->tid_count[i]);
305 len += scnprintf(buf + len, size - len, "\nMCS(0-11) Legacy MCS(12):");
306 for (i = 0; i < HAL_RX_MAX_MCS + 1; i++)
307 len += scnprintf(buf + len, size - len, "%llu ", rx_stats->mcs_count[i]);
308 len += scnprintf(buf + len, size - len, "\nNSS(1-8):");
309 for (i = 0; i < HAL_RX_MAX_NSS; i++)
310 len += scnprintf(buf + len, size - len, "%llu ", rx_stats->nss_count[i]);
311 len += scnprintf(buf + len, size - len, "\nRX Duration:%llu ",
312 rx_stats->rx_duration);
313 len += scnprintf(buf + len, size - len,
314 "\nDCM: %llu\nRU: 26 %llu 52: %llu 106: %llu 242: %llu 484: %llu 996: %llu\n",
315 rx_stats->dcm_count, rx_stats->ru_alloc_cnt[0],
316 rx_stats->ru_alloc_cnt[1], rx_stats->ru_alloc_cnt[2],
317 rx_stats->ru_alloc_cnt[3], rx_stats->ru_alloc_cnt[4],
318 rx_stats->ru_alloc_cnt[5]);
319
320 len += scnprintf(buf + len, size - len, "\n");
321
322 spin_unlock_bh(&ar->ab->base_lock);
323
324 if (len > size)
325 len = size;
326 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
327 kfree(buf);
328
329 mutex_unlock(&ar->conf_mutex);
330 return retval;
331 }
332
333 static const struct file_operations fops_rx_stats = {
334 .read = ath11k_dbg_sta_dump_rx_stats,
335 .open = simple_open,
336 .owner = THIS_MODULE,
337 .llseek = default_llseek,
338 };
339
340 static int
ath11k_dbg_sta_open_htt_peer_stats(struct inode * inode,struct file * file)341 ath11k_dbg_sta_open_htt_peer_stats(struct inode *inode, struct file *file)
342 {
343 struct ieee80211_sta *sta = inode->i_private;
344 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
345 struct ath11k *ar = arsta->arvif->ar;
346 struct debug_htt_stats_req *stats_req;
347 int type = ar->debug.htt_stats.type;
348 int ret;
349
350 if ((type != ATH11K_DBG_HTT_EXT_STATS_PEER_INFO &&
351 type != ATH11K_DBG_HTT_EXT_STATS_PEER_CTRL_PATH_TXRX_STATS) ||
352 type == ATH11K_DBG_HTT_EXT_STATS_RESET)
353 return -EPERM;
354
355 stats_req = vzalloc(sizeof(*stats_req) + ATH11K_HTT_STATS_BUF_SIZE);
356 if (!stats_req)
357 return -ENOMEM;
358
359 mutex_lock(&ar->conf_mutex);
360 ar->debug.htt_stats.stats_req = stats_req;
361 stats_req->type = type;
362 memcpy(stats_req->peer_addr, sta->addr, ETH_ALEN);
363 ret = ath11k_debugfs_htt_stats_req(ar);
364 mutex_unlock(&ar->conf_mutex);
365 if (ret < 0)
366 goto out;
367
368 file->private_data = stats_req;
369 return 0;
370 out:
371 vfree(stats_req);
372 ar->debug.htt_stats.stats_req = NULL;
373 return ret;
374 }
375
376 static int
ath11k_dbg_sta_release_htt_peer_stats(struct inode * inode,struct file * file)377 ath11k_dbg_sta_release_htt_peer_stats(struct inode *inode, struct file *file)
378 {
379 struct ieee80211_sta *sta = inode->i_private;
380 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
381 struct ath11k *ar = arsta->arvif->ar;
382
383 mutex_lock(&ar->conf_mutex);
384 vfree(file->private_data);
385 ar->debug.htt_stats.stats_req = NULL;
386 mutex_unlock(&ar->conf_mutex);
387
388 return 0;
389 }
390
ath11k_dbg_sta_read_htt_peer_stats(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)391 static ssize_t ath11k_dbg_sta_read_htt_peer_stats(struct file *file,
392 char __user *user_buf,
393 size_t count, loff_t *ppos)
394 {
395 struct debug_htt_stats_req *stats_req = file->private_data;
396 char *buf;
397 u32 length = 0;
398
399 buf = stats_req->buf;
400 length = min_t(u32, stats_req->buf_len, ATH11K_HTT_STATS_BUF_SIZE);
401 return simple_read_from_buffer(user_buf, count, ppos, buf, length);
402 }
403
404 static const struct file_operations fops_htt_peer_stats = {
405 .open = ath11k_dbg_sta_open_htt_peer_stats,
406 .release = ath11k_dbg_sta_release_htt_peer_stats,
407 .read = ath11k_dbg_sta_read_htt_peer_stats,
408 .owner = THIS_MODULE,
409 .llseek = default_llseek,
410 };
411
ath11k_dbg_sta_write_peer_pktlog(struct file * file,const char __user * buf,size_t count,loff_t * ppos)412 static ssize_t ath11k_dbg_sta_write_peer_pktlog(struct file *file,
413 const char __user *buf,
414 size_t count, loff_t *ppos)
415 {
416 struct ieee80211_sta *sta = file->private_data;
417 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
418 struct ath11k *ar = arsta->arvif->ar;
419 int ret, enable;
420
421 mutex_lock(&ar->conf_mutex);
422
423 if (ar->state != ATH11K_STATE_ON) {
424 ret = -ENETDOWN;
425 goto out;
426 }
427
428 ret = kstrtoint_from_user(buf, count, 0, &enable);
429 if (ret)
430 goto out;
431
432 ar->debug.pktlog_peer_valid = enable;
433 memcpy(ar->debug.pktlog_peer_addr, sta->addr, ETH_ALEN);
434
435 /* Send peer based pktlog enable/disable */
436 ret = ath11k_wmi_pdev_peer_pktlog_filter(ar, sta->addr, enable);
437 if (ret) {
438 ath11k_warn(ar->ab, "failed to set peer pktlog filter %pM: %d\n",
439 sta->addr, ret);
440 goto out;
441 }
442
443 ath11k_dbg(ar->ab, ATH11K_DBG_WMI, "peer pktlog filter set to %d\n",
444 enable);
445 ret = count;
446
447 out:
448 mutex_unlock(&ar->conf_mutex);
449 return ret;
450 }
451
ath11k_dbg_sta_read_peer_pktlog(struct file * file,char __user * ubuf,size_t count,loff_t * ppos)452 static ssize_t ath11k_dbg_sta_read_peer_pktlog(struct file *file,
453 char __user *ubuf,
454 size_t count, loff_t *ppos)
455 {
456 struct ieee80211_sta *sta = file->private_data;
457 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
458 struct ath11k *ar = arsta->arvif->ar;
459 char buf[32] = {0};
460 int len;
461
462 mutex_lock(&ar->conf_mutex);
463 len = scnprintf(buf, sizeof(buf), "%08x %pM\n",
464 ar->debug.pktlog_peer_valid,
465 ar->debug.pktlog_peer_addr);
466 mutex_unlock(&ar->conf_mutex);
467
468 return simple_read_from_buffer(ubuf, count, ppos, buf, len);
469 }
470
471 static const struct file_operations fops_peer_pktlog = {
472 .write = ath11k_dbg_sta_write_peer_pktlog,
473 .read = ath11k_dbg_sta_read_peer_pktlog,
474 .open = simple_open,
475 .owner = THIS_MODULE,
476 .llseek = default_llseek,
477 };
478
ath11k_dbg_sta_write_delba(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)479 static ssize_t ath11k_dbg_sta_write_delba(struct file *file,
480 const char __user *user_buf,
481 size_t count, loff_t *ppos)
482 {
483 struct ieee80211_sta *sta = file->private_data;
484 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
485 struct ath11k *ar = arsta->arvif->ar;
486 u32 tid, initiator, reason;
487 int ret;
488 char buf[64] = {0};
489
490 ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos,
491 user_buf, count);
492 if (ret <= 0)
493 return ret;
494
495 ret = sscanf(buf, "%u %u %u", &tid, &initiator, &reason);
496 if (ret != 3)
497 return -EINVAL;
498
499 /* Valid TID values are 0 through 15 */
500 if (tid > HAL_DESC_REO_NON_QOS_TID - 1)
501 return -EINVAL;
502
503 mutex_lock(&ar->conf_mutex);
504 if (ar->state != ATH11K_STATE_ON ||
505 arsta->aggr_mode != ATH11K_DBG_AGGR_MODE_MANUAL) {
506 ret = count;
507 goto out;
508 }
509
510 ret = ath11k_wmi_delba_send(ar, arsta->arvif->vdev_id, sta->addr,
511 tid, initiator, reason);
512 if (ret) {
513 ath11k_warn(ar->ab, "failed to send delba: vdev_id %u peer %pM tid %u initiator %u reason %u\n",
514 arsta->arvif->vdev_id, sta->addr, tid, initiator,
515 reason);
516 }
517 ret = count;
518 out:
519 mutex_unlock(&ar->conf_mutex);
520 return ret;
521 }
522
523 static const struct file_operations fops_delba = {
524 .write = ath11k_dbg_sta_write_delba,
525 .open = simple_open,
526 .owner = THIS_MODULE,
527 .llseek = default_llseek,
528 };
529
ath11k_dbg_sta_write_addba_resp(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)530 static ssize_t ath11k_dbg_sta_write_addba_resp(struct file *file,
531 const char __user *user_buf,
532 size_t count, loff_t *ppos)
533 {
534 struct ieee80211_sta *sta = file->private_data;
535 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
536 struct ath11k *ar = arsta->arvif->ar;
537 u32 tid, status;
538 int ret;
539 char buf[64] = {0};
540
541 ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos,
542 user_buf, count);
543 if (ret <= 0)
544 return ret;
545
546 ret = sscanf(buf, "%u %u", &tid, &status);
547 if (ret != 2)
548 return -EINVAL;
549
550 /* Valid TID values are 0 through 15 */
551 if (tid > HAL_DESC_REO_NON_QOS_TID - 1)
552 return -EINVAL;
553
554 mutex_lock(&ar->conf_mutex);
555 if (ar->state != ATH11K_STATE_ON ||
556 arsta->aggr_mode != ATH11K_DBG_AGGR_MODE_MANUAL) {
557 ret = count;
558 goto out;
559 }
560
561 ret = ath11k_wmi_addba_set_resp(ar, arsta->arvif->vdev_id, sta->addr,
562 tid, status);
563 if (ret) {
564 ath11k_warn(ar->ab, "failed to send addba response: vdev_id %u peer %pM tid %u status%u\n",
565 arsta->arvif->vdev_id, sta->addr, tid, status);
566 }
567 ret = count;
568 out:
569 mutex_unlock(&ar->conf_mutex);
570 return ret;
571 }
572
573 static const struct file_operations fops_addba_resp = {
574 .write = ath11k_dbg_sta_write_addba_resp,
575 .open = simple_open,
576 .owner = THIS_MODULE,
577 .llseek = default_llseek,
578 };
579
ath11k_dbg_sta_write_addba(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)580 static ssize_t ath11k_dbg_sta_write_addba(struct file *file,
581 const char __user *user_buf,
582 size_t count, loff_t *ppos)
583 {
584 struct ieee80211_sta *sta = file->private_data;
585 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
586 struct ath11k *ar = arsta->arvif->ar;
587 u32 tid, buf_size;
588 int ret;
589 char buf[64] = {0};
590
591 ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos,
592 user_buf, count);
593 if (ret <= 0)
594 return ret;
595
596 ret = sscanf(buf, "%u %u", &tid, &buf_size);
597 if (ret != 2)
598 return -EINVAL;
599
600 /* Valid TID values are 0 through 15 */
601 if (tid > HAL_DESC_REO_NON_QOS_TID - 1)
602 return -EINVAL;
603
604 mutex_lock(&ar->conf_mutex);
605 if (ar->state != ATH11K_STATE_ON ||
606 arsta->aggr_mode != ATH11K_DBG_AGGR_MODE_MANUAL) {
607 ret = count;
608 goto out;
609 }
610
611 ret = ath11k_wmi_addba_send(ar, arsta->arvif->vdev_id, sta->addr,
612 tid, buf_size);
613 if (ret) {
614 ath11k_warn(ar->ab, "failed to send addba request: vdev_id %u peer %pM tid %u buf_size %u\n",
615 arsta->arvif->vdev_id, sta->addr, tid, buf_size);
616 }
617
618 ret = count;
619 out:
620 mutex_unlock(&ar->conf_mutex);
621 return ret;
622 }
623
624 static const struct file_operations fops_addba = {
625 .write = ath11k_dbg_sta_write_addba,
626 .open = simple_open,
627 .owner = THIS_MODULE,
628 .llseek = default_llseek,
629 };
630
ath11k_dbg_sta_read_aggr_mode(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)631 static ssize_t ath11k_dbg_sta_read_aggr_mode(struct file *file,
632 char __user *user_buf,
633 size_t count, loff_t *ppos)
634 {
635 struct ieee80211_sta *sta = file->private_data;
636 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
637 struct ath11k *ar = arsta->arvif->ar;
638 char buf[64];
639 int len = 0;
640
641 mutex_lock(&ar->conf_mutex);
642 len = scnprintf(buf, sizeof(buf) - len,
643 "aggregation mode: %s\n\n%s\n%s\n",
644 (arsta->aggr_mode == ATH11K_DBG_AGGR_MODE_AUTO) ?
645 "auto" : "manual", "auto = 0", "manual = 1");
646 mutex_unlock(&ar->conf_mutex);
647
648 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
649 }
650
ath11k_dbg_sta_write_aggr_mode(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)651 static ssize_t ath11k_dbg_sta_write_aggr_mode(struct file *file,
652 const char __user *user_buf,
653 size_t count, loff_t *ppos)
654 {
655 struct ieee80211_sta *sta = file->private_data;
656 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
657 struct ath11k *ar = arsta->arvif->ar;
658 u32 aggr_mode;
659 int ret;
660
661 if (kstrtouint_from_user(user_buf, count, 0, &aggr_mode))
662 return -EINVAL;
663
664 if (aggr_mode >= ATH11K_DBG_AGGR_MODE_MAX)
665 return -EINVAL;
666
667 mutex_lock(&ar->conf_mutex);
668 if (ar->state != ATH11K_STATE_ON ||
669 aggr_mode == arsta->aggr_mode) {
670 ret = count;
671 goto out;
672 }
673
674 ret = ath11k_wmi_addba_clear_resp(ar, arsta->arvif->vdev_id, sta->addr);
675 if (ret) {
676 ath11k_warn(ar->ab, "failed to clear addba session ret: %d\n",
677 ret);
678 goto out;
679 }
680
681 arsta->aggr_mode = aggr_mode;
682 out:
683 mutex_unlock(&ar->conf_mutex);
684 return ret;
685 }
686
687 static const struct file_operations fops_aggr_mode = {
688 .read = ath11k_dbg_sta_read_aggr_mode,
689 .write = ath11k_dbg_sta_write_aggr_mode,
690 .open = simple_open,
691 .owner = THIS_MODULE,
692 .llseek = default_llseek,
693 };
694
695 static ssize_t
ath11k_write_htt_peer_stats_reset(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)696 ath11k_write_htt_peer_stats_reset(struct file *file,
697 const char __user *user_buf,
698 size_t count, loff_t *ppos)
699 {
700 struct ieee80211_sta *sta = file->private_data;
701 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
702 struct ath11k *ar = arsta->arvif->ar;
703 struct htt_ext_stats_cfg_params cfg_params = { 0 };
704 int ret;
705 u8 type;
706
707 ret = kstrtou8_from_user(user_buf, count, 0, &type);
708 if (ret)
709 return ret;
710
711 if (!type)
712 return ret;
713
714 mutex_lock(&ar->conf_mutex);
715 cfg_params.cfg0 = HTT_STAT_PEER_INFO_MAC_ADDR;
716 cfg_params.cfg0 |= FIELD_PREP(GENMASK(15, 1),
717 HTT_PEER_STATS_REQ_MODE_FLUSH_TQM);
718
719 cfg_params.cfg1 = HTT_STAT_DEFAULT_PEER_REQ_TYPE;
720
721 cfg_params.cfg2 |= FIELD_PREP(GENMASK(7, 0), sta->addr[0]);
722 cfg_params.cfg2 |= FIELD_PREP(GENMASK(15, 8), sta->addr[1]);
723 cfg_params.cfg2 |= FIELD_PREP(GENMASK(23, 16), sta->addr[2]);
724 cfg_params.cfg2 |= FIELD_PREP(GENMASK(31, 24), sta->addr[3]);
725
726 cfg_params.cfg3 |= FIELD_PREP(GENMASK(7, 0), sta->addr[4]);
727 cfg_params.cfg3 |= FIELD_PREP(GENMASK(15, 8), sta->addr[5]);
728
729 cfg_params.cfg3 |= ATH11K_HTT_PEER_STATS_RESET;
730
731 ret = ath11k_dp_tx_htt_h2t_ext_stats_req(ar,
732 ATH11K_DBG_HTT_EXT_STATS_PEER_INFO,
733 &cfg_params,
734 0ULL);
735 if (ret) {
736 ath11k_warn(ar->ab, "failed to send htt peer stats request: %d\n", ret);
737 mutex_unlock(&ar->conf_mutex);
738 return ret;
739 }
740
741 mutex_unlock(&ar->conf_mutex);
742
743 ret = count;
744
745 return ret;
746 }
747
748 static const struct file_operations fops_htt_peer_stats_reset = {
749 .write = ath11k_write_htt_peer_stats_reset,
750 .open = simple_open,
751 .owner = THIS_MODULE,
752 .llseek = default_llseek,
753 };
754
ath11k_dbg_sta_read_peer_ps_state(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)755 static ssize_t ath11k_dbg_sta_read_peer_ps_state(struct file *file,
756 char __user *user_buf,
757 size_t count, loff_t *ppos)
758 {
759 struct ieee80211_sta *sta = file->private_data;
760 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
761 struct ath11k *ar = arsta->arvif->ar;
762 char buf[20];
763 int len;
764
765 spin_lock_bh(&ar->data_lock);
766
767 len = scnprintf(buf, sizeof(buf), "%d\n", arsta->peer_ps_state);
768
769 spin_unlock_bh(&ar->data_lock);
770
771 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
772 }
773
774 static const struct file_operations fops_peer_ps_state = {
775 .open = simple_open,
776 .read = ath11k_dbg_sta_read_peer_ps_state,
777 .owner = THIS_MODULE,
778 .llseek = default_llseek,
779 };
780
ath11k_dbg_sta_read_current_ps_duration(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)781 static ssize_t ath11k_dbg_sta_read_current_ps_duration(struct file *file,
782 char __user *user_buf,
783 size_t count,
784 loff_t *ppos)
785 {
786 struct ieee80211_sta *sta = file->private_data;
787 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
788 struct ath11k *ar = arsta->arvif->ar;
789 u64 time_since_station_in_power_save;
790 char buf[20];
791 int len;
792
793 spin_lock_bh(&ar->data_lock);
794
795 if (arsta->peer_ps_state == WMI_PEER_PS_STATE_ON &&
796 arsta->peer_current_ps_valid)
797 time_since_station_in_power_save = jiffies_to_msecs(jiffies
798 - arsta->ps_start_jiffies);
799 else
800 time_since_station_in_power_save = 0;
801
802 len = scnprintf(buf, sizeof(buf), "%llu\n",
803 time_since_station_in_power_save);
804 spin_unlock_bh(&ar->data_lock);
805
806 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
807 }
808
809 static const struct file_operations fops_current_ps_duration = {
810 .open = simple_open,
811 .read = ath11k_dbg_sta_read_current_ps_duration,
812 .owner = THIS_MODULE,
813 .llseek = default_llseek,
814 };
815
ath11k_dbg_sta_read_total_ps_duration(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)816 static ssize_t ath11k_dbg_sta_read_total_ps_duration(struct file *file,
817 char __user *user_buf,
818 size_t count, loff_t *ppos)
819 {
820 struct ieee80211_sta *sta = file->private_data;
821 struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
822 struct ath11k *ar = arsta->arvif->ar;
823 char buf[20];
824 u64 power_save_duration;
825 int len;
826
827 spin_lock_bh(&ar->data_lock);
828
829 if (arsta->peer_ps_state == WMI_PEER_PS_STATE_ON &&
830 arsta->peer_current_ps_valid)
831 power_save_duration = jiffies_to_msecs(jiffies
832 - arsta->ps_start_jiffies)
833 + arsta->ps_total_duration;
834 else
835 power_save_duration = arsta->ps_total_duration;
836
837 len = scnprintf(buf, sizeof(buf), "%llu\n", power_save_duration);
838
839 spin_unlock_bh(&ar->data_lock);
840
841 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
842 }
843
844 static const struct file_operations fops_total_ps_duration = {
845 .open = simple_open,
846 .read = ath11k_dbg_sta_read_total_ps_duration,
847 .owner = THIS_MODULE,
848 .llseek = default_llseek,
849 };
850
ath11k_debugfs_sta_op_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct dentry * dir)851 void ath11k_debugfs_sta_op_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
852 struct ieee80211_sta *sta, struct dentry *dir)
853 {
854 struct ath11k *ar = hw->priv;
855
856 if (ath11k_debugfs_is_extd_tx_stats_enabled(ar))
857 debugfs_create_file("tx_stats", 0400, dir, sta,
858 &fops_tx_stats);
859 if (ath11k_debugfs_is_extd_rx_stats_enabled(ar))
860 debugfs_create_file("rx_stats", 0400, dir, sta,
861 &fops_rx_stats);
862
863 debugfs_create_file("htt_peer_stats", 0400, dir, sta,
864 &fops_htt_peer_stats);
865
866 debugfs_create_file("peer_pktlog", 0644, dir, sta,
867 &fops_peer_pktlog);
868
869 debugfs_create_file("aggr_mode", 0644, dir, sta, &fops_aggr_mode);
870 debugfs_create_file("addba", 0200, dir, sta, &fops_addba);
871 debugfs_create_file("addba_resp", 0200, dir, sta, &fops_addba_resp);
872 debugfs_create_file("delba", 0200, dir, sta, &fops_delba);
873
874 if (test_bit(WMI_TLV_SERVICE_PER_PEER_HTT_STATS_RESET,
875 ar->ab->wmi_ab.svc_map))
876 debugfs_create_file("htt_peer_stats_reset", 0600, dir, sta,
877 &fops_htt_peer_stats_reset);
878
879 debugfs_create_file("peer_ps_state", 0400, dir, sta,
880 &fops_peer_ps_state);
881
882 if (test_bit(WMI_TLV_SERVICE_PEER_POWER_SAVE_DURATION_SUPPORT,
883 ar->ab->wmi_ab.svc_map)) {
884 debugfs_create_file("current_ps_duration", 0440, dir, sta,
885 &fops_current_ps_duration);
886 debugfs_create_file("total_ps_duration", 0440, dir, sta,
887 &fops_total_ps_duration);
888 }
889 }
890