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ath10k: print Kconfig options
[mirror_ubuntu-zesty-kernel.git] / drivers / net / wireless / ath / ath10k / debug.c
CommitLineData
5e3dd157
KV		 1/*
2 * Copyright (c) 2005-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#include <linux/module.h>
19#include <linux/debugfs.h>
20
21#include "core.h"
22#include "debug.h"
23
a3d135e5
KV		 24/* ms */
25#define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000
26
5e3dd157
KV		 27static int ath10k_printk(const char *level, const char *fmt, ...)
28{
29 struct va_format vaf;
30 va_list args;
31 int rtn;
32
33 va_start(args, fmt);
34
35 vaf.fmt = fmt;
36 vaf.va = &args;
37
38 rtn = printk("%sath10k: %pV", level, &vaf);
39
40 va_end(args);
41
42 return rtn;
43}
44
45int ath10k_info(const char *fmt, ...)
46{
47 struct va_format vaf = {
48 .fmt = fmt,
49 };
50 va_list args;
51 int ret;
52
53 va_start(args, fmt);
54 vaf.va = &args;
55 ret = ath10k_printk(KERN_INFO, "%pV", &vaf);
56 trace_ath10k_log_info(&vaf);
57 va_end(args);
58
59 return ret;
60}
61EXPORT_SYMBOL(ath10k_info);
62
63int ath10k_err(const char *fmt, ...)
64{
65 struct va_format vaf = {
66 .fmt = fmt,
67 };
68 va_list args;
69 int ret;
70
71 va_start(args, fmt);
72 vaf.va = &args;
73 ret = ath10k_printk(KERN_ERR, "%pV", &vaf);
74 trace_ath10k_log_err(&vaf);
75 va_end(args);
76
77 return ret;
78}
79EXPORT_SYMBOL(ath10k_err);
80
81int ath10k_warn(const char *fmt, ...)
82{
83 struct va_format vaf = {
84 .fmt = fmt,
85 };
86 va_list args;
87 int ret = 0;
88
89 va_start(args, fmt);
90 vaf.va = &args;
91
92 if (net_ratelimit())
93 ret = ath10k_printk(KERN_WARNING, "%pV", &vaf);
94
95 trace_ath10k_log_warn(&vaf);
96
97 va_end(args);
98
99 return ret;
100}
101EXPORT_SYMBOL(ath10k_warn);
102
103#ifdef CONFIG_ATH10K_DEBUGFS
104
105void ath10k_debug_read_service_map(struct ath10k *ar,
106 void *service_map,
107 size_t map_size)
108{
109 memcpy(ar->debug.wmi_service_bitmap, service_map, map_size);
110}
111
112static ssize_t ath10k_read_wmi_services(struct file *file,
113 char __user *user_buf,
114 size_t count, loff_t *ppos)
115{
116 struct ath10k *ar = file->private_data;
117 char *buf;
118 unsigned int len = 0, buf_len = 1500;
119 const char *status;
120 ssize_t ret_cnt;
121 int i;
122
123 buf = kzalloc(buf_len, GFP_KERNEL);
124 if (!buf)
125 return -ENOMEM;
126
127 mutex_lock(&ar->conf_mutex);
128
129 if (len > buf_len)
130 len = buf_len;
131
132 for (i = 0; i < WMI_SERVICE_LAST; i++) {
133 if (WMI_SERVICE_IS_ENABLED(ar->debug.wmi_service_bitmap, i))
134 status = "enabled";
135 else
136 status = "disabled";
137
138 len += scnprintf(buf + len, buf_len - len,
139 "0x%02x - %20s - %s\n",
140 i, wmi_service_name(i), status);
141 }
142
143 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
144
145 mutex_unlock(&ar->conf_mutex);
146
147 kfree(buf);
148 return ret_cnt;
149}
150
151static const struct file_operations fops_wmi_services = {
152 .read = ath10k_read_wmi_services,
153 .open = simple_open,
154 .owner = THIS_MODULE,
155 .llseek = default_llseek,
156};
157
158void ath10k_debug_read_target_stats(struct ath10k *ar,
159 struct wmi_stats_event *ev)
160{
161 u8 *tmp = ev->data;
162 struct ath10k_target_stats *stats;
163 int num_pdev_stats, num_vdev_stats, num_peer_stats;
52e346d1 164 struct wmi_pdev_stats_10x *ps;
5e3dd157
KV		 165 int i;
166
87571bf0 167 spin_lock_bh(&ar->data_lock);
5e3dd157
KV		 168
169 stats = &ar->debug.target_stats;
170
171 num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats); /* 0 or 1 */
172 num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats); /* 0 or max vdevs */
173 num_peer_stats = __le32_to_cpu(ev->num_peer_stats); /* 0 or max peers */
174
175 if (num_pdev_stats) {
52e346d1 176 ps = (struct wmi_pdev_stats_10x *)tmp;
5e3dd157
KV		 177
178 stats->ch_noise_floor = __le32_to_cpu(ps->chan_nf);
179 stats->tx_frame_count = __le32_to_cpu(ps->tx_frame_count);
180 stats->rx_frame_count = __le32_to_cpu(ps->rx_frame_count);
181 stats->rx_clear_count = __le32_to_cpu(ps->rx_clear_count);
182 stats->cycle_count = __le32_to_cpu(ps->cycle_count);
183 stats->phy_err_count = __le32_to_cpu(ps->phy_err_count);
184 stats->chan_tx_power = __le32_to_cpu(ps->chan_tx_pwr);
185
186 stats->comp_queued = __le32_to_cpu(ps->wal.tx.comp_queued);
187 stats->comp_delivered =
188 __le32_to_cpu(ps->wal.tx.comp_delivered);
189 stats->msdu_enqued = __le32_to_cpu(ps->wal.tx.msdu_enqued);
190 stats->mpdu_enqued = __le32_to_cpu(ps->wal.tx.mpdu_enqued);
191 stats->wmm_drop = __le32_to_cpu(ps->wal.tx.wmm_drop);
192 stats->local_enqued = __le32_to_cpu(ps->wal.tx.local_enqued);
193 stats->local_freed = __le32_to_cpu(ps->wal.tx.local_freed);
194 stats->hw_queued = __le32_to_cpu(ps->wal.tx.hw_queued);
195 stats->hw_reaped = __le32_to_cpu(ps->wal.tx.hw_reaped);
196 stats->underrun = __le32_to_cpu(ps->wal.tx.underrun);
197 stats->tx_abort = __le32_to_cpu(ps->wal.tx.tx_abort);
198 stats->mpdus_requed = __le32_to_cpu(ps->wal.tx.mpdus_requed);
199 stats->tx_ko = __le32_to_cpu(ps->wal.tx.tx_ko);
200 stats->data_rc = __le32_to_cpu(ps->wal.tx.data_rc);
201 stats->self_triggers = __le32_to_cpu(ps->wal.tx.self_triggers);
202 stats->sw_retry_failure =
203 __le32_to_cpu(ps->wal.tx.sw_retry_failure);
204 stats->illgl_rate_phy_err =
205 __le32_to_cpu(ps->wal.tx.illgl_rate_phy_err);
206 stats->pdev_cont_xretry =
207 __le32_to_cpu(ps->wal.tx.pdev_cont_xretry);
208 stats->pdev_tx_timeout =
209 __le32_to_cpu(ps->wal.tx.pdev_tx_timeout);
210 stats->pdev_resets = __le32_to_cpu(ps->wal.tx.pdev_resets);
211 stats->phy_underrun = __le32_to_cpu(ps->wal.tx.phy_underrun);
212 stats->txop_ovf = __le32_to_cpu(ps->wal.tx.txop_ovf);
213
214 stats->mid_ppdu_route_change =
215 __le32_to_cpu(ps->wal.rx.mid_ppdu_route_change);
216 stats->status_rcvd = __le32_to_cpu(ps->wal.rx.status_rcvd);
217 stats->r0_frags = __le32_to_cpu(ps->wal.rx.r0_frags);
218 stats->r1_frags = __le32_to_cpu(ps->wal.rx.r1_frags);
219 stats->r2_frags = __le32_to_cpu(ps->wal.rx.r2_frags);
220 stats->r3_frags = __le32_to_cpu(ps->wal.rx.r3_frags);
221 stats->htt_msdus = __le32_to_cpu(ps->wal.rx.htt_msdus);
222 stats->htt_mpdus = __le32_to_cpu(ps->wal.rx.htt_mpdus);
223 stats->loc_msdus = __le32_to_cpu(ps->wal.rx.loc_msdus);
224 stats->loc_mpdus = __le32_to_cpu(ps->wal.rx.loc_mpdus);
225 stats->oversize_amsdu =
226 __le32_to_cpu(ps->wal.rx.oversize_amsdu);
227 stats->phy_errs = __le32_to_cpu(ps->wal.rx.phy_errs);
228 stats->phy_err_drop = __le32_to_cpu(ps->wal.rx.phy_err_drop);
229 stats->mpdu_errs = __le32_to_cpu(ps->wal.rx.mpdu_errs);
230
52e346d1
CYY		 231 if (test_bit(ATH10K_FW_FEATURE_WMI_10X,
232 ar->fw_features)) {
233 stats->ack_rx_bad = __le32_to_cpu(ps->ack_rx_bad);
234 stats->rts_bad = __le32_to_cpu(ps->rts_bad);
235 stats->rts_good = __le32_to_cpu(ps->rts_good);
236 stats->fcs_bad = __le32_to_cpu(ps->fcs_bad);
237 stats->no_beacons = __le32_to_cpu(ps->no_beacons);
238 stats->mib_int_count = __le32_to_cpu(ps->mib_int_count);
239 tmp += sizeof(struct wmi_pdev_stats_10x);
240 } else {
241 tmp += sizeof(struct wmi_pdev_stats_old);
242 }
5e3dd157
KV		 243 }
244
245 /* 0 or max vdevs */
246 /* Currently firmware does not support VDEV stats */
247 if (num_vdev_stats) {
248 struct wmi_vdev_stats *vdev_stats;
249
250 for (i = 0; i < num_vdev_stats; i++) {
251 vdev_stats = (struct wmi_vdev_stats *)tmp;
252 tmp += sizeof(struct wmi_vdev_stats);
253 }
254 }
255
256 if (num_peer_stats) {
23c3aae4 257 struct wmi_peer_stats_10x *peer_stats;
5e3dd157
KV		 258 struct ath10k_peer_stat *s;
259
260 stats->peers = num_peer_stats;
261
262 for (i = 0; i < num_peer_stats; i++) {
23c3aae4 263 peer_stats = (struct wmi_peer_stats_10x *)tmp;
5e3dd157
KV		 264 s = &stats->peer_stat[i];
265
cf0fd562
CYY		 266 memcpy(s->peer_macaddr, &peer_stats->peer_macaddr.addr,
267 ETH_ALEN);
5e3dd157
KV		 268 s->peer_rssi = __le32_to_cpu(peer_stats->peer_rssi);
269 s->peer_tx_rate =
270 __le32_to_cpu(peer_stats->peer_tx_rate);
23c3aae4
BG		 271 if (test_bit(ATH10K_FW_FEATURE_WMI_10X,
272 ar->fw_features)) {
273 s->peer_rx_rate =
274 __le32_to_cpu(peer_stats->peer_rx_rate);
275 tmp += sizeof(struct wmi_peer_stats_10x);
276
277 } else {
278 tmp += sizeof(struct wmi_peer_stats_old);
279 }
5e3dd157
KV		 280 }
281 }
282
87571bf0 283 spin_unlock_bh(&ar->data_lock);
5e3dd157
KV		 284 complete(&ar->debug.event_stats_compl);
285}
286
287static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf,
288 size_t count, loff_t *ppos)
289{
290 struct ath10k *ar = file->private_data;
291 struct ath10k_target_stats *fw_stats;
87571bf0 292 char *buf = NULL;
23c3aae4 293 unsigned int len = 0, buf_len = 8000;
87571bf0 294 ssize_t ret_cnt = 0;
5e3dd157
KV		 295 long left;
296 int i;
297 int ret;
298
299 fw_stats = &ar->debug.target_stats;
300
87571bf0
MK		 301 mutex_lock(&ar->conf_mutex);
302
303 if (ar->state != ATH10K_STATE_ON)
304 goto exit;
305
5e3dd157
KV		 306 buf = kzalloc(buf_len, GFP_KERNEL);
307 if (!buf)
87571bf0 308 goto exit;
5e3dd157
KV		 309
310 ret = ath10k_wmi_request_stats(ar, WMI_REQUEST_PEER_STAT);
311 if (ret) {
312 ath10k_warn("could not request stats (%d)\n", ret);
87571bf0 313 goto exit;
5e3dd157
KV		 314 }
315
316 left = wait_for_completion_timeout(&ar->debug.event_stats_compl, 1*HZ);
87571bf0
MK		 317 if (left <= 0)
318 goto exit;
5e3dd157 319
87571bf0 320 spin_lock_bh(&ar->data_lock);
5e3dd157
KV		 321 len += scnprintf(buf + len, buf_len - len, "\n");
322 len += scnprintf(buf + len, buf_len - len, "%30s\n",
323 "ath10k PDEV stats");
324 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
325 "=================");
326
327 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
328 "Channel noise floor", fw_stats->ch_noise_floor);
329 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
330 "Channel TX power", fw_stats->chan_tx_power);
331 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
332 "TX frame count", fw_stats->tx_frame_count);
333 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
334 "RX frame count", fw_stats->rx_frame_count);
335 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
336 "RX clear count", fw_stats->rx_clear_count);
337 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
338 "Cycle count", fw_stats->cycle_count);
339 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
340 "PHY error count", fw_stats->phy_err_count);
52e346d1
CYY		 341 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
342 "RTS bad count", fw_stats->rts_bad);
343 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
344 "RTS good count", fw_stats->rts_good);
345 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
346 "FCS bad count", fw_stats->fcs_bad);
347 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
348 "No beacon count", fw_stats->no_beacons);
349 len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
350 "MIB int count", fw_stats->mib_int_count);
5e3dd157
KV		 351
352 len += scnprintf(buf + len, buf_len - len, "\n");
353 len += scnprintf(buf + len, buf_len - len, "%30s\n",
354 "ath10k PDEV TX stats");
355 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
356 "=================");
357
358 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
359 "HTT cookies queued", fw_stats->comp_queued);
360 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
361 "HTT cookies disp.", fw_stats->comp_delivered);
362 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
363 "MSDU queued", fw_stats->msdu_enqued);
364 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
365 "MPDU queued", fw_stats->mpdu_enqued);
366 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
367 "MSDUs dropped", fw_stats->wmm_drop);
368 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
369 "Local enqued", fw_stats->local_enqued);
370 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
371 "Local freed", fw_stats->local_freed);
372 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
373 "HW queued", fw_stats->hw_queued);
374 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
375 "PPDUs reaped", fw_stats->hw_reaped);
376 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
377 "Num underruns", fw_stats->underrun);
378 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
379 "PPDUs cleaned", fw_stats->tx_abort);
380 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
381 "MPDUs requed", fw_stats->mpdus_requed);
382 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
383 "Excessive retries", fw_stats->tx_ko);
384 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
385 "HW rate", fw_stats->data_rc);
386 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
387 "Sched self tiggers", fw_stats->self_triggers);
388 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
389 "Dropped due to SW retries",
390 fw_stats->sw_retry_failure);
391 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
392 "Illegal rate phy errors",
393 fw_stats->illgl_rate_phy_err);
394 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
395 "Pdev continous xretry", fw_stats->pdev_cont_xretry);
396 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
397 "TX timeout", fw_stats->pdev_tx_timeout);
398 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
399 "PDEV resets", fw_stats->pdev_resets);
400 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
401 "PHY underrun", fw_stats->phy_underrun);
402 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
403 "MPDU is more than txop limit", fw_stats->txop_ovf);
404
405 len += scnprintf(buf + len, buf_len - len, "\n");
406 len += scnprintf(buf + len, buf_len - len, "%30s\n",
407 "ath10k PDEV RX stats");
408 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
409 "=================");
410
411 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
412 "Mid PPDU route change",
413 fw_stats->mid_ppdu_route_change);
414 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
415 "Tot. number of statuses", fw_stats->status_rcvd);
416 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
417 "Extra frags on rings 0", fw_stats->r0_frags);
418 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
419 "Extra frags on rings 1", fw_stats->r1_frags);
420 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
421 "Extra frags on rings 2", fw_stats->r2_frags);
422 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
423 "Extra frags on rings 3", fw_stats->r3_frags);
424 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
425 "MSDUs delivered to HTT", fw_stats->htt_msdus);
426 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
427 "MPDUs delivered to HTT", fw_stats->htt_mpdus);
428 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
429 "MSDUs delivered to stack", fw_stats->loc_msdus);
430 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
431 "MPDUs delivered to stack", fw_stats->loc_mpdus);
432 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
433 "Oversized AMSUs", fw_stats->oversize_amsdu);
434 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
435 "PHY errors", fw_stats->phy_errs);
436 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
437 "PHY errors drops", fw_stats->phy_err_drop);
438 len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
439 "MPDU errors (FCS, MIC, ENC)", fw_stats->mpdu_errs);
440
441 len += scnprintf(buf + len, buf_len - len, "\n");
23c3aae4
BG		 442 len += scnprintf(buf + len, buf_len - len, "%30s (%d)\n",
443 "ath10k PEER stats", fw_stats->peers);
5e3dd157
KV		 444 len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
445 "=================");
446
447 for (i = 0; i < fw_stats->peers; i++) {
448 len += scnprintf(buf + len, buf_len - len, "%30s %pM\n",
449 "Peer MAC address",
450 fw_stats->peer_stat[i].peer_macaddr);
451 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
452 "Peer RSSI", fw_stats->peer_stat[i].peer_rssi);
453 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
454 "Peer TX rate",
455 fw_stats->peer_stat[i].peer_tx_rate);
23c3aae4
BG		 456 len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
457 "Peer RX rate",
458 fw_stats->peer_stat[i].peer_rx_rate);
5e3dd157
KV		 459 len += scnprintf(buf + len, buf_len - len, "\n");
460 }
87571bf0 461 spin_unlock_bh(&ar->data_lock);
5e3dd157
KV		 462
463 if (len > buf_len)
464 len = buf_len;
465
466 ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
467
87571bf0 468exit:
5e3dd157 469 mutex_unlock(&ar->conf_mutex);
5e3dd157
KV		 470 kfree(buf);
471 return ret_cnt;
472}
473
474static const struct file_operations fops_fw_stats = {
475 .read = ath10k_read_fw_stats,
476 .open = simple_open,
477 .owner = THIS_MODULE,
478 .llseek = default_llseek,
479};
480
278c4a85
MK		 481static ssize_t ath10k_read_simulate_fw_crash(struct file *file,
482 char __user *user_buf,
483 size_t count, loff_t *ppos)
484{
8c656992
MP		 485 const char buf[] = "To simulate firmware crash write one of the"
486 " keywords to this file:\n `soft` - this will send"
487 " WMI_FORCE_FW_HANG_ASSERT to firmware if FW"
488 " supports that command.\n `hard` - this will send"
489 " to firmware command with illegal parameters"
490 " causing firmware crash.\n";
491
278c4a85
MK		 492 return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
493}
494
8c656992
MP		 495/* Simulate firmware crash:
496 * 'soft': Call wmi command causing firmware hang. This firmware hang is
497 * recoverable by warm firmware reset.
498 * 'hard': Force firmware crash by setting any vdev parameter for not allowed
499 * vdev id. This is hard firmware crash because it is recoverable only by cold
500 * firmware reset.
501 */
278c4a85
MK		 502static ssize_t ath10k_write_simulate_fw_crash(struct file *file,
503 const char __user *user_buf,
504 size_t count, loff_t *ppos)
505{
506 struct ath10k *ar = file->private_data;
8c656992 507 char buf[32];
278c4a85
MK		 508 int ret;
509
510 mutex_lock(&ar->conf_mutex);
511
512 simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
8c656992
MP		 513
514 /* make sure that buf is null terminated */
515 buf[sizeof(buf) - 1] = 0;
278c4a85
MK		 516
517 if (ar->state != ATH10K_STATE_ON &&
518 ar->state != ATH10K_STATE_RESTARTED) {
519 ret = -ENETDOWN;
520 goto exit;
521 }
522
8c656992
MP		 523 /* drop the possible '\n' from the end */
524 if (buf[count - 1] == '\n') {
525 buf[count - 1] = 0;
526 count--;
527 }
528
529 if (!strcmp(buf, "soft")) {
530 ath10k_info("simulating soft firmware crash\n");
531 ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0);
532 } else if (!strcmp(buf, "hard")) {
533 ath10k_info("simulating hard firmware crash\n");
534 ret = ath10k_wmi_vdev_set_param(ar, TARGET_NUM_VDEVS + 1,
535 ar->wmi.vdev_param->rts_threshold, 0);
536 } else {
537 ret = -EINVAL;
538 goto exit;
539 }
278c4a85 540
8c656992
MP		 541 if (ret) {
542 ath10k_warn("failed to simulate firmware crash: %d\n", ret);
543 goto exit;
544 }
278c4a85 545
8c656992 546 ret = count;
278c4a85
MK		 547
548exit:
549 mutex_unlock(&ar->conf_mutex);
550 return ret;
551}
552
553static const struct file_operations fops_simulate_fw_crash = {
554 .read = ath10k_read_simulate_fw_crash,
555 .write = ath10k_write_simulate_fw_crash,
556 .open = simple_open,
557 .owner = THIS_MODULE,
558 .llseek = default_llseek,
559};
560
763b8cd3
KV		 561static ssize_t ath10k_read_chip_id(struct file *file, char __user *user_buf,
562 size_t count, loff_t *ppos)
563{
564 struct ath10k *ar = file->private_data;
565 unsigned int len;
566 char buf[50];
567
568 len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->chip_id);
569
570 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
571}
572
573static const struct file_operations fops_chip_id = {
574 .read = ath10k_read_chip_id,
575 .open = simple_open,
576 .owner = THIS_MODULE,
577 .llseek = default_llseek,
578};
579
a3d135e5
KV		 580static int ath10k_debug_htt_stats_req(struct ath10k *ar)
581{
582 u64 cookie;
583 int ret;
584
585 lockdep_assert_held(&ar->conf_mutex);
586
587 if (ar->debug.htt_stats_mask == 0)
588 /* htt stats are disabled */
589 return 0;
590
591 if (ar->state != ATH10K_STATE_ON)
592 return 0;
593
594 cookie = get_jiffies_64();
595
596 ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask,
597 cookie);
598 if (ret) {
599 ath10k_warn("failed to send htt stats request: %d\n", ret);
600 return ret;
601 }
602
603 queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork,
604 msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL));
605
606 return 0;
607}
608
609static void ath10k_debug_htt_stats_dwork(struct work_struct *work)
610{
611 struct ath10k *ar = container_of(work, struct ath10k,
612 debug.htt_stats_dwork.work);
613
614 mutex_lock(&ar->conf_mutex);
615
616 ath10k_debug_htt_stats_req(ar);
617
618 mutex_unlock(&ar->conf_mutex);
619}
620
621static ssize_t ath10k_read_htt_stats_mask(struct file *file,
622 char __user *user_buf,
623 size_t count, loff_t *ppos)
624{
625 struct ath10k *ar = file->private_data;
626 char buf[32];
627 unsigned int len;
628
629 len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask);
630
631 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
632}
633
634static ssize_t ath10k_write_htt_stats_mask(struct file *file,
635 const char __user *user_buf,
636 size_t count, loff_t *ppos)
637{
638 struct ath10k *ar = file->private_data;
639 unsigned long mask;
640 int ret;
641
642 ret = kstrtoul_from_user(user_buf, count, 0, &mask);
643 if (ret)
644 return ret;
645
646 /* max 8 bit masks (for now) */
647 if (mask > 0xff)
648 return -E2BIG;
649
650 mutex_lock(&ar->conf_mutex);
651
652 ar->debug.htt_stats_mask = mask;
653
654 ret = ath10k_debug_htt_stats_req(ar);
655 if (ret)
656 goto out;
657
658 ret = count;
659
660out:
661 mutex_unlock(&ar->conf_mutex);
662
663 return ret;
664}
665
666static const struct file_operations fops_htt_stats_mask = {
667 .read = ath10k_read_htt_stats_mask,
668 .write = ath10k_write_htt_stats_mask,
669 .open = simple_open,
670 .owner = THIS_MODULE,
671 .llseek = default_llseek,
672};
673
f118a3e5
KV		 674static ssize_t ath10k_read_fw_dbglog(struct file *file,
675 char __user *user_buf,
676 size_t count, loff_t *ppos)
677{
678 struct ath10k *ar = file->private_data;
679 unsigned int len;
680 char buf[32];
681
682 len = scnprintf(buf, sizeof(buf), "0x%08x\n",
683 ar->debug.fw_dbglog_mask);
684
685 return simple_read_from_buffer(user_buf, count, ppos, buf, len);
686}
687
688static ssize_t ath10k_write_fw_dbglog(struct file *file,
689 const char __user *user_buf,
690 size_t count, loff_t *ppos)
691{
692 struct ath10k *ar = file->private_data;
693 unsigned long mask;
694 int ret;
695
696 ret = kstrtoul_from_user(user_buf, count, 0, &mask);
697 if (ret)
698 return ret;
699
700 mutex_lock(&ar->conf_mutex);
701
702 ar->debug.fw_dbglog_mask = mask;
703
704 if (ar->state == ATH10K_STATE_ON) {
705 ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask);
706 if (ret) {
707 ath10k_warn("dbglog cfg failed from debugfs: %d\n",
708 ret);
709 goto exit;
710 }
711 }
712
713 ret = count;
714
715exit:
716 mutex_unlock(&ar->conf_mutex);
717
718 return ret;
719}
720
721static const struct file_operations fops_fw_dbglog = {
722 .read = ath10k_read_fw_dbglog,
723 .write = ath10k_write_fw_dbglog,
724 .open = simple_open,
725 .owner = THIS_MODULE,
726 .llseek = default_llseek,
727};
728
db66ea04
KV		 729int ath10k_debug_start(struct ath10k *ar)
730{
a3d135e5
KV		 731 int ret;
732
60631c5c
KV		 733 lockdep_assert_held(&ar->conf_mutex);
734
a3d135e5
KV		 735 ret = ath10k_debug_htt_stats_req(ar);
736 if (ret)
737 /* continue normally anyway, this isn't serious */
738 ath10k_warn("failed to start htt stats workqueue: %d\n", ret);
739
f118a3e5
KV		 740 if (ar->debug.fw_dbglog_mask) {
741 ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask);
742 if (ret)
743 /* not serious */
744 ath10k_warn("failed to enable dbglog during start: %d",
745 ret);
746 }
747
db66ea04
KV		 748 return 0;
749}
750
751void ath10k_debug_stop(struct ath10k *ar)
752{
60631c5c
KV		 753 lockdep_assert_held(&ar->conf_mutex);
754
755 /* Must not use _sync to avoid deadlock, we do that in
756 * ath10k_debug_destroy(). The check for htt_stats_mask is to avoid
757 * warning from del_timer(). */
758 if (ar->debug.htt_stats_mask != 0)
759 cancel_delayed_work(&ar->debug.htt_stats_dwork);
db66ea04
KV		 760}
761
9702c686
JD		 762static ssize_t ath10k_write_simulate_radar(struct file *file,
763 const char __user *user_buf,
764 size_t count, loff_t *ppos)
765{
766 struct ath10k *ar = file->private_data;
767
768 ieee80211_radar_detected(ar->hw);
769
770 return count;
771}
772
773static const struct file_operations fops_simulate_radar = {
774 .write = ath10k_write_simulate_radar,
775 .open = simple_open,
776 .owner = THIS_MODULE,
777 .llseek = default_llseek,
778};
779
780#define ATH10K_DFS_STAT(s, p) (\
781 len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \
782 ar->debug.dfs_stats.p))
783
784#define ATH10K_DFS_POOL_STAT(s, p) (\
785 len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \
786 ar->debug.dfs_pool_stats.p))
787
788static ssize_t ath10k_read_dfs_stats(struct file *file, char __user *user_buf,
789 size_t count, loff_t *ppos)
790{
791 int retval = 0, len = 0;
792 const int size = 8000;
793 struct ath10k *ar = file->private_data;
794 char *buf;
795
796 buf = kzalloc(size, GFP_KERNEL);
797 if (buf == NULL)
798 return -ENOMEM;
799
800 if (!ar->dfs_detector) {
801 len += scnprintf(buf + len, size - len, "DFS not enabled\n");
802 goto exit;
803 }
804
805 ar->debug.dfs_pool_stats =
806 ar->dfs_detector->get_stats(ar->dfs_detector);
807
808 len += scnprintf(buf + len, size - len, "Pulse detector statistics:\n");
809
810 ATH10K_DFS_STAT("reported phy errors", phy_errors);
811 ATH10K_DFS_STAT("pulse events reported", pulses_total);
812 ATH10K_DFS_STAT("DFS pulses detected", pulses_detected);
813 ATH10K_DFS_STAT("DFS pulses discarded", pulses_discarded);
814 ATH10K_DFS_STAT("Radars detected", radar_detected);
815
816 len += scnprintf(buf + len, size - len, "Global Pool statistics:\n");
817 ATH10K_DFS_POOL_STAT("Pool references", pool_reference);
818 ATH10K_DFS_POOL_STAT("Pulses allocated", pulse_allocated);
819 ATH10K_DFS_POOL_STAT("Pulses alloc error", pulse_alloc_error);
820 ATH10K_DFS_POOL_STAT("Pulses in use", pulse_used);
821 ATH10K_DFS_POOL_STAT("Seqs. allocated", pseq_allocated);
822 ATH10K_DFS_POOL_STAT("Seqs. alloc error", pseq_alloc_error);
823 ATH10K_DFS_POOL_STAT("Seqs. in use", pseq_used);
824
825exit:
826 if (len > size)
827 len = size;
828
829 retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
830 kfree(buf);
831
832 return retval;
833}
834
835static const struct file_operations fops_dfs_stats = {
836 .read = ath10k_read_dfs_stats,
837 .open = simple_open,
838 .owner = THIS_MODULE,
839 .llseek = default_llseek,
840};
841
5e3dd157
KV		 842int ath10k_debug_create(struct ath10k *ar)
843{
844 ar->debug.debugfs_phy = debugfs_create_dir("ath10k",
845 ar->hw->wiphy->debugfsdir);
846
847 if (!ar->debug.debugfs_phy)
848 return -ENOMEM;
849
a3d135e5
KV		 850 INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork,
851 ath10k_debug_htt_stats_dwork);
852
5e3dd157
KV		 853 init_completion(&ar->debug.event_stats_compl);
854
855 debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar,
856 &fops_fw_stats);
857
858 debugfs_create_file("wmi_services", S_IRUSR, ar->debug.debugfs_phy, ar,
859 &fops_wmi_services);
860
278c4a85
MK		 861 debugfs_create_file("simulate_fw_crash", S_IRUSR, ar->debug.debugfs_phy,
862 ar, &fops_simulate_fw_crash);
863
763b8cd3
KV		 864 debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy,
865 ar, &fops_chip_id);
866
a3d135e5
KV		 867 debugfs_create_file("htt_stats_mask", S_IRUSR, ar->debug.debugfs_phy,
868 ar, &fops_htt_stats_mask);
869
f118a3e5
KV		 870 debugfs_create_file("fw_dbglog", S_IRUSR, ar->debug.debugfs_phy,
871 ar, &fops_fw_dbglog);
872
9702c686
JD		 873 if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
874 debugfs_create_file("dfs_simulate_radar", S_IWUSR,
875 ar->debug.debugfs_phy, ar,
876 &fops_simulate_radar);
877
7d9b40b4
MP		 878 debugfs_create_bool("dfs_block_radar_events", S_IWUSR,
879 ar->debug.debugfs_phy,
880 &ar->dfs_block_radar_events);
881
9702c686
JD		 882 debugfs_create_file("dfs_stats", S_IRUSR,
883 ar->debug.debugfs_phy, ar,
884 &fops_dfs_stats);
885 }
886
5e3dd157
KV		 887 return 0;
888}
db66ea04 889
60631c5c
KV		 890void ath10k_debug_destroy(struct ath10k *ar)
891{
892 cancel_delayed_work_sync(&ar->debug.htt_stats_dwork);
893}
894
5e3dd157
KV		 895#endif /* CONFIG_ATH10K_DEBUGFS */
896
897#ifdef CONFIG_ATH10K_DEBUG
898void ath10k_dbg(enum ath10k_debug_mask mask, const char *fmt, ...)
899{
900 struct va_format vaf;
901 va_list args;
902
903 va_start(args, fmt);
904
905 vaf.fmt = fmt;
906 vaf.va = &args;
907
908 if (ath10k_debug_mask & mask)
909 ath10k_printk(KERN_DEBUG, "%pV", &vaf);
910
911 trace_ath10k_log_dbg(mask, &vaf);
912
913 va_end(args);
914}
915EXPORT_SYMBOL(ath10k_dbg);
916
917void ath10k_dbg_dump(enum ath10k_debug_mask mask,
918 const char *msg, const char *prefix,
919 const void *buf, size_t len)
920{
921 if (ath10k_debug_mask & mask) {
922 if (msg)
923 ath10k_dbg(mask, "%s\n", msg);
924
925 print_hex_dump_bytes(prefix, DUMP_PREFIX_OFFSET, buf, len);
926 }
927
928 /* tracing code doesn't like null strings :/ */
929 trace_ath10k_log_dbg_dump(msg ? msg : "", prefix ? prefix : "",
930 buf, len);
931}
932EXPORT_SYMBOL(ath10k_dbg_dump);
933
934#endif /* CONFIG_ATH10K_DEBUG */
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