]>
Commit | Line | Data |
---|---|---|
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> | |
384914b2 | 20 | #include <linux/vmalloc.h> |
12c27156 | 21 | #include <linux/utsname.h> |
5e3dd157 KV |
22 | |
23 | #include "core.h" | |
24 | #include "debug.h" | |
7869b4fa | 25 | #include "hif.h" |
d7579d12 | 26 | #include "wmi-ops.h" |
5e3dd157 | 27 | |
a3d135e5 KV |
28 | /* ms */ |
29 | #define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000 | |
30 | ||
384914b2 BG |
31 | #define ATH10K_FW_CRASH_DUMP_VERSION 1 |
32 | ||
33 | /** | |
34 | * enum ath10k_fw_crash_dump_type - types of data in the dump file | |
35 | * @ATH10K_FW_CRASH_DUMP_REGDUMP: Register crash dump in binary format | |
36 | */ | |
37 | enum ath10k_fw_crash_dump_type { | |
38 | ATH10K_FW_CRASH_DUMP_REGISTERS = 0, | |
39 | ||
40 | ATH10K_FW_CRASH_DUMP_MAX, | |
41 | }; | |
42 | ||
43 | struct ath10k_tlv_dump_data { | |
44 | /* see ath10k_fw_crash_dump_type above */ | |
45 | __le32 type; | |
46 | ||
47 | /* in bytes */ | |
48 | __le32 tlv_len; | |
49 | ||
50 | /* pad to 32-bit boundaries as needed */ | |
51 | u8 tlv_data[]; | |
52 | } __packed; | |
53 | ||
54 | struct ath10k_dump_file_data { | |
55 | /* dump file information */ | |
56 | ||
57 | /* "ATH10K-FW-DUMP" */ | |
58 | char df_magic[16]; | |
59 | ||
60 | __le32 len; | |
61 | ||
62 | /* file dump version */ | |
63 | __le32 version; | |
64 | ||
65 | /* some info we can get from ath10k struct that might help */ | |
66 | ||
67 | u8 uuid[16]; | |
68 | ||
69 | __le32 chip_id; | |
70 | ||
71 | /* 0 for now, in place for later hardware */ | |
72 | __le32 bus_type; | |
73 | ||
74 | __le32 target_version; | |
75 | __le32 fw_version_major; | |
76 | __le32 fw_version_minor; | |
77 | __le32 fw_version_release; | |
78 | __le32 fw_version_build; | |
79 | __le32 phy_capability; | |
80 | __le32 hw_min_tx_power; | |
81 | __le32 hw_max_tx_power; | |
82 | __le32 ht_cap_info; | |
83 | __le32 vht_cap_info; | |
84 | __le32 num_rf_chains; | |
85 | ||
86 | /* firmware version string */ | |
87 | char fw_ver[ETHTOOL_FWVERS_LEN]; | |
88 | ||
89 | /* Kernel related information */ | |
90 | ||
91 | /* time-of-day stamp */ | |
92 | __le64 tv_sec; | |
93 | ||
94 | /* time-of-day stamp, nano-seconds */ | |
95 | __le64 tv_nsec; | |
96 | ||
97 | /* LINUX_VERSION_CODE */ | |
98 | __le32 kernel_ver_code; | |
99 | ||
100 | /* VERMAGIC_STRING */ | |
101 | char kernel_ver[64]; | |
102 | ||
103 | /* room for growth w/out changing binary format */ | |
104 | u8 unused[128]; | |
105 | ||
106 | /* struct ath10k_tlv_dump_data + more */ | |
107 | u8 data[0]; | |
108 | } __packed; | |
109 | ||
babcb3ed | 110 | void ath10k_info(struct ath10k *ar, const char *fmt, ...) |
5e3dd157 KV |
111 | { |
112 | struct va_format vaf = { | |
113 | .fmt = fmt, | |
114 | }; | |
115 | va_list args; | |
5e3dd157 KV |
116 | |
117 | va_start(args, fmt); | |
118 | vaf.va = &args; | |
babcb3ed | 119 | dev_info(ar->dev, "%pV", &vaf); |
d35a6c18 | 120 | trace_ath10k_log_info(ar, &vaf); |
5e3dd157 | 121 | va_end(args); |
5e3dd157 KV |
122 | } |
123 | EXPORT_SYMBOL(ath10k_info); | |
124 | ||
8a0c797e KV |
125 | void ath10k_print_driver_info(struct ath10k *ar) |
126 | { | |
ffdd0757 | 127 | ath10k_info(ar, "%s (0x%08x, 0x%08x) fw %s api %d htt %d.%d wmi %d cal %s max_sta %d\n", |
8a0c797e KV |
128 | ar->hw_params.name, |
129 | ar->target_version, | |
130 | ar->chip_id, | |
131 | ar->hw->wiphy->fw_version, | |
132 | ar->fw_api, | |
133 | ar->htt.target_version_major, | |
34b28b6e | 134 | ar->htt.target_version_minor, |
ffdd0757 | 135 | ar->wmi.op_version, |
cfd1061e MK |
136 | ath10k_cal_mode_str(ar->cal_mode), |
137 | ar->max_num_stations); | |
43d2a30f | 138 | ath10k_info(ar, "debug %d debugfs %d tracing %d dfs %d testmode %d\n", |
8a0c797e KV |
139 | config_enabled(CONFIG_ATH10K_DEBUG), |
140 | config_enabled(CONFIG_ATH10K_DEBUGFS), | |
141 | config_enabled(CONFIG_ATH10K_TRACING), | |
43d2a30f KV |
142 | config_enabled(CONFIG_ATH10K_DFS_CERTIFIED), |
143 | config_enabled(CONFIG_NL80211_TESTMODE)); | |
8a0c797e KV |
144 | } |
145 | EXPORT_SYMBOL(ath10k_print_driver_info); | |
146 | ||
babcb3ed | 147 | void ath10k_err(struct ath10k *ar, const char *fmt, ...) |
5e3dd157 KV |
148 | { |
149 | struct va_format vaf = { | |
150 | .fmt = fmt, | |
151 | }; | |
152 | va_list args; | |
5e3dd157 KV |
153 | |
154 | va_start(args, fmt); | |
155 | vaf.va = &args; | |
babcb3ed | 156 | dev_err(ar->dev, "%pV", &vaf); |
d35a6c18 | 157 | trace_ath10k_log_err(ar, &vaf); |
5e3dd157 | 158 | va_end(args); |
5e3dd157 KV |
159 | } |
160 | EXPORT_SYMBOL(ath10k_err); | |
161 | ||
babcb3ed | 162 | void ath10k_warn(struct ath10k *ar, const char *fmt, ...) |
5e3dd157 KV |
163 | { |
164 | struct va_format vaf = { | |
165 | .fmt = fmt, | |
166 | }; | |
167 | va_list args; | |
5e3dd157 KV |
168 | |
169 | va_start(args, fmt); | |
170 | vaf.va = &args; | |
7aa7a72a | 171 | dev_warn_ratelimited(ar->dev, "%pV", &vaf); |
d35a6c18 | 172 | trace_ath10k_log_warn(ar, &vaf); |
5e3dd157 KV |
173 | |
174 | va_end(args); | |
5e3dd157 KV |
175 | } |
176 | EXPORT_SYMBOL(ath10k_warn); | |
177 | ||
178 | #ifdef CONFIG_ATH10K_DEBUGFS | |
179 | ||
5e3dd157 KV |
180 | static ssize_t ath10k_read_wmi_services(struct file *file, |
181 | char __user *user_buf, | |
182 | size_t count, loff_t *ppos) | |
183 | { | |
184 | struct ath10k *ar = file->private_data; | |
185 | char *buf; | |
cff990ce MK |
186 | unsigned int len = 0, buf_len = 4096; |
187 | const char *name; | |
5e3dd157 | 188 | ssize_t ret_cnt; |
cff990ce | 189 | bool enabled; |
5e3dd157 KV |
190 | int i; |
191 | ||
192 | buf = kzalloc(buf_len, GFP_KERNEL); | |
193 | if (!buf) | |
194 | return -ENOMEM; | |
195 | ||
196 | mutex_lock(&ar->conf_mutex); | |
197 | ||
198 | if (len > buf_len) | |
199 | len = buf_len; | |
200 | ||
acfe7ecf | 201 | spin_lock_bh(&ar->data_lock); |
c4f8c836 | 202 | for (i = 0; i < WMI_SERVICE_MAX; i++) { |
acfe7ecf | 203 | enabled = test_bit(i, ar->wmi.svc_map); |
cff990ce MK |
204 | name = wmi_service_name(i); |
205 | ||
206 | if (!name) { | |
207 | if (enabled) | |
208 | len += scnprintf(buf + len, buf_len - len, | |
209 | "%-40s %s (bit %d)\n", | |
210 | "unknown", "enabled", i); | |
211 | ||
212 | continue; | |
213 | } | |
5e3dd157 KV |
214 | |
215 | len += scnprintf(buf + len, buf_len - len, | |
cff990ce MK |
216 | "%-40s %s\n", |
217 | name, enabled ? "enabled" : "-"); | |
5e3dd157 | 218 | } |
acfe7ecf | 219 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
220 | |
221 | ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
222 | ||
223 | mutex_unlock(&ar->conf_mutex); | |
224 | ||
225 | kfree(buf); | |
226 | return ret_cnt; | |
227 | } | |
228 | ||
229 | static const struct file_operations fops_wmi_services = { | |
230 | .read = ath10k_read_wmi_services, | |
231 | .open = simple_open, | |
232 | .owner = THIS_MODULE, | |
233 | .llseek = default_llseek, | |
234 | }; | |
235 | ||
5326849a MK |
236 | static void ath10k_debug_fw_stats_pdevs_free(struct list_head *head) |
237 | { | |
238 | struct ath10k_fw_stats_pdev *i, *tmp; | |
239 | ||
240 | list_for_each_entry_safe(i, tmp, head, list) { | |
241 | list_del(&i->list); | |
242 | kfree(i); | |
243 | } | |
244 | } | |
245 | ||
7b6b153a MK |
246 | static void ath10k_debug_fw_stats_vdevs_free(struct list_head *head) |
247 | { | |
248 | struct ath10k_fw_stats_vdev *i, *tmp; | |
249 | ||
250 | list_for_each_entry_safe(i, tmp, head, list) { | |
251 | list_del(&i->list); | |
252 | kfree(i); | |
253 | } | |
254 | } | |
255 | ||
5326849a MK |
256 | static void ath10k_debug_fw_stats_peers_free(struct list_head *head) |
257 | { | |
258 | struct ath10k_fw_stats_peer *i, *tmp; | |
259 | ||
260 | list_for_each_entry_safe(i, tmp, head, list) { | |
261 | list_del(&i->list); | |
262 | kfree(i); | |
263 | } | |
264 | } | |
265 | ||
266 | static void ath10k_debug_fw_stats_reset(struct ath10k *ar) | |
267 | { | |
268 | spin_lock_bh(&ar->data_lock); | |
269 | ar->debug.fw_stats_done = false; | |
270 | ath10k_debug_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs); | |
7b6b153a | 271 | ath10k_debug_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs); |
5326849a MK |
272 | ath10k_debug_fw_stats_peers_free(&ar->debug.fw_stats.peers); |
273 | spin_unlock_bh(&ar->data_lock); | |
274 | } | |
275 | ||
276 | static size_t ath10k_debug_fw_stats_num_peers(struct list_head *head) | |
277 | { | |
278 | struct ath10k_fw_stats_peer *i; | |
279 | size_t num = 0; | |
280 | ||
281 | list_for_each_entry(i, head, list) | |
282 | ++num; | |
283 | ||
284 | return num; | |
285 | } | |
286 | ||
7b6b153a MK |
287 | static size_t ath10k_debug_fw_stats_num_vdevs(struct list_head *head) |
288 | { | |
289 | struct ath10k_fw_stats_vdev *i; | |
290 | size_t num = 0; | |
291 | ||
292 | list_for_each_entry(i, head, list) | |
293 | ++num; | |
294 | ||
295 | return num; | |
296 | } | |
297 | ||
60ef401a | 298 | void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb) |
5e3dd157 | 299 | { |
5326849a MK |
300 | struct ath10k_fw_stats stats = {}; |
301 | bool is_start, is_started, is_end; | |
302 | size_t num_peers; | |
7b6b153a | 303 | size_t num_vdevs; |
d15fb520 | 304 | int ret; |
5e3dd157 | 305 | |
5326849a | 306 | INIT_LIST_HEAD(&stats.pdevs); |
7b6b153a | 307 | INIT_LIST_HEAD(&stats.vdevs); |
5326849a | 308 | INIT_LIST_HEAD(&stats.peers); |
5e3dd157 | 309 | |
5326849a MK |
310 | spin_lock_bh(&ar->data_lock); |
311 | ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats); | |
d15fb520 MK |
312 | if (ret) { |
313 | ath10k_warn(ar, "failed to pull fw stats: %d\n", ret); | |
314 | goto unlock; | |
5e3dd157 KV |
315 | } |
316 | ||
5326849a MK |
317 | /* Stat data may exceed htc-wmi buffer limit. In such case firmware |
318 | * splits the stats data and delivers it in a ping-pong fashion of | |
319 | * request cmd-update event. | |
320 | * | |
321 | * However there is no explicit end-of-data. Instead start-of-data is | |
322 | * used as an implicit one. This works as follows: | |
323 | * a) discard stat update events until one with pdev stats is | |
324 | * delivered - this skips session started at end of (b) | |
325 | * b) consume stat update events until another one with pdev stats is | |
326 | * delivered which is treated as end-of-data and is itself discarded | |
327 | */ | |
328 | ||
329 | if (ar->debug.fw_stats_done) { | |
330 | ath10k_warn(ar, "received unsolicited stats update event\n"); | |
331 | goto free; | |
332 | } | |
333 | ||
334 | num_peers = ath10k_debug_fw_stats_num_peers(&ar->debug.fw_stats.peers); | |
7b6b153a | 335 | num_vdevs = ath10k_debug_fw_stats_num_vdevs(&ar->debug.fw_stats.vdevs); |
5326849a MK |
336 | is_start = (list_empty(&ar->debug.fw_stats.pdevs) && |
337 | !list_empty(&stats.pdevs)); | |
338 | is_end = (!list_empty(&ar->debug.fw_stats.pdevs) && | |
339 | !list_empty(&stats.pdevs)); | |
340 | ||
341 | if (is_start) | |
342 | list_splice_tail_init(&stats.pdevs, &ar->debug.fw_stats.pdevs); | |
343 | ||
344 | if (is_end) | |
345 | ar->debug.fw_stats_done = true; | |
346 | ||
347 | is_started = !list_empty(&ar->debug.fw_stats.pdevs); | |
348 | ||
349 | if (is_started && !is_end) { | |
350 | if (num_peers >= ATH10K_MAX_NUM_PEER_IDS) { | |
351 | /* Although this is unlikely impose a sane limit to | |
352 | * prevent firmware from DoS-ing the host. | |
353 | */ | |
354 | ath10k_warn(ar, "dropping fw peer stats\n"); | |
355 | goto free; | |
356 | } | |
357 | ||
7b6b153a MK |
358 | if (num_vdevs >= BITS_PER_LONG) { |
359 | ath10k_warn(ar, "dropping fw vdev stats\n"); | |
360 | goto free; | |
361 | } | |
362 | ||
5326849a | 363 | list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers); |
7b6b153a | 364 | list_splice_tail_init(&stats.vdevs, &ar->debug.fw_stats.vdevs); |
5326849a MK |
365 | } |
366 | ||
60ef401a | 367 | complete(&ar->debug.fw_stats_complete); |
5e3dd157 | 368 | |
5326849a MK |
369 | free: |
370 | /* In some cases lists have been spliced and cleared. Free up | |
371 | * resources if that is not the case. | |
372 | */ | |
373 | ath10k_debug_fw_stats_pdevs_free(&stats.pdevs); | |
7b6b153a | 374 | ath10k_debug_fw_stats_vdevs_free(&stats.vdevs); |
5326849a MK |
375 | ath10k_debug_fw_stats_peers_free(&stats.peers); |
376 | ||
d15fb520 | 377 | unlock: |
87571bf0 | 378 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
379 | } |
380 | ||
5326849a | 381 | static int ath10k_debug_fw_stats_request(struct ath10k *ar) |
5e3dd157 | 382 | { |
5326849a | 383 | unsigned long timeout; |
5e3dd157 KV |
384 | int ret; |
385 | ||
fb2e9c0c | 386 | lockdep_assert_held(&ar->conf_mutex); |
5e3dd157 | 387 | |
5326849a MK |
388 | timeout = jiffies + msecs_to_jiffies(1*HZ); |
389 | ||
390 | ath10k_debug_fw_stats_reset(ar); | |
391 | ||
392 | for (;;) { | |
393 | if (time_after(jiffies, timeout)) | |
394 | return -ETIMEDOUT; | |
395 | ||
396 | reinit_completion(&ar->debug.fw_stats_complete); | |
397 | ||
7777d8c7 MK |
398 | ret = ath10k_wmi_request_stats(ar, |
399 | WMI_STAT_PDEV | | |
400 | WMI_STAT_VDEV | | |
401 | WMI_STAT_PEER); | |
5326849a MK |
402 | if (ret) { |
403 | ath10k_warn(ar, "could not request stats (%d)\n", ret); | |
404 | return ret; | |
405 | } | |
5e3dd157 | 406 | |
5326849a MK |
407 | ret = wait_for_completion_timeout(&ar->debug.fw_stats_complete, |
408 | 1*HZ); | |
38e2a644 | 409 | if (ret == 0) |
5326849a MK |
410 | return -ETIMEDOUT; |
411 | ||
412 | spin_lock_bh(&ar->data_lock); | |
413 | if (ar->debug.fw_stats_done) { | |
414 | spin_unlock_bh(&ar->data_lock); | |
415 | break; | |
416 | } | |
417 | spin_unlock_bh(&ar->data_lock); | |
418 | } | |
fb2e9c0c MK |
419 | |
420 | return 0; | |
421 | } | |
422 | ||
423 | /* FIXME: How to calculate the buffer size sanely? */ | |
424 | #define ATH10K_FW_STATS_BUF_SIZE (1024*1024) | |
425 | ||
426 | static void ath10k_fw_stats_fill(struct ath10k *ar, | |
427 | struct ath10k_fw_stats *fw_stats, | |
428 | char *buf) | |
429 | { | |
430 | unsigned int len = 0; | |
431 | unsigned int buf_len = ATH10K_FW_STATS_BUF_SIZE; | |
5326849a | 432 | const struct ath10k_fw_stats_pdev *pdev; |
7b6b153a | 433 | const struct ath10k_fw_stats_vdev *vdev; |
5326849a MK |
434 | const struct ath10k_fw_stats_peer *peer; |
435 | size_t num_peers; | |
7b6b153a MK |
436 | size_t num_vdevs; |
437 | int i; | |
5e3dd157 | 438 | |
87571bf0 | 439 | spin_lock_bh(&ar->data_lock); |
5326849a MK |
440 | |
441 | pdev = list_first_entry_or_null(&fw_stats->pdevs, | |
442 | struct ath10k_fw_stats_pdev, list); | |
443 | if (!pdev) { | |
444 | ath10k_warn(ar, "failed to get pdev stats\n"); | |
445 | goto unlock; | |
446 | } | |
447 | ||
448 | num_peers = ath10k_debug_fw_stats_num_peers(&fw_stats->peers); | |
7b6b153a | 449 | num_vdevs = ath10k_debug_fw_stats_num_vdevs(&fw_stats->vdevs); |
5326849a | 450 | |
5e3dd157 KV |
451 | len += scnprintf(buf + len, buf_len - len, "\n"); |
452 | len += scnprintf(buf + len, buf_len - len, "%30s\n", | |
453 | "ath10k PDEV stats"); | |
454 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", | |
455 | "================="); | |
456 | ||
457 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
5326849a | 458 | "Channel noise floor", pdev->ch_noise_floor); |
5e3dd157 | 459 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 460 | "Channel TX power", pdev->chan_tx_power); |
5e3dd157 | 461 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 462 | "TX frame count", pdev->tx_frame_count); |
5e3dd157 | 463 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 464 | "RX frame count", pdev->rx_frame_count); |
5e3dd157 | 465 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 466 | "RX clear count", pdev->rx_clear_count); |
5e3dd157 | 467 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 468 | "Cycle count", pdev->cycle_count); |
5e3dd157 | 469 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 470 | "PHY error count", pdev->phy_err_count); |
52e346d1 | 471 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 472 | "RTS bad count", pdev->rts_bad); |
52e346d1 | 473 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 474 | "RTS good count", pdev->rts_good); |
52e346d1 | 475 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 476 | "FCS bad count", pdev->fcs_bad); |
52e346d1 | 477 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 478 | "No beacon count", pdev->no_beacons); |
52e346d1 | 479 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 480 | "MIB int count", pdev->mib_int_count); |
5e3dd157 KV |
481 | |
482 | len += scnprintf(buf + len, buf_len - len, "\n"); | |
483 | len += scnprintf(buf + len, buf_len - len, "%30s\n", | |
484 | "ath10k PDEV TX stats"); | |
485 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", | |
486 | "================="); | |
487 | ||
488 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
5326849a | 489 | "HTT cookies queued", pdev->comp_queued); |
5e3dd157 | 490 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 491 | "HTT cookies disp.", pdev->comp_delivered); |
5e3dd157 | 492 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 493 | "MSDU queued", pdev->msdu_enqued); |
5e3dd157 | 494 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 495 | "MPDU queued", pdev->mpdu_enqued); |
5e3dd157 | 496 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 497 | "MSDUs dropped", pdev->wmm_drop); |
5e3dd157 | 498 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 499 | "Local enqued", pdev->local_enqued); |
5e3dd157 | 500 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 501 | "Local freed", pdev->local_freed); |
5e3dd157 | 502 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 503 | "HW queued", pdev->hw_queued); |
5e3dd157 | 504 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 505 | "PPDUs reaped", pdev->hw_reaped); |
5e3dd157 | 506 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 507 | "Num underruns", pdev->underrun); |
5e3dd157 | 508 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 509 | "PPDUs cleaned", pdev->tx_abort); |
5e3dd157 | 510 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 511 | "MPDUs requed", pdev->mpdus_requed); |
5e3dd157 | 512 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 513 | "Excessive retries", pdev->tx_ko); |
5e3dd157 | 514 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 515 | "HW rate", pdev->data_rc); |
5e3dd157 | 516 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 517 | "Sched self tiggers", pdev->self_triggers); |
5e3dd157 KV |
518 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
519 | "Dropped due to SW retries", | |
5326849a | 520 | pdev->sw_retry_failure); |
5e3dd157 KV |
521 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
522 | "Illegal rate phy errors", | |
5326849a | 523 | pdev->illgl_rate_phy_err); |
5e3dd157 | 524 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 525 | "Pdev continous xretry", pdev->pdev_cont_xretry); |
5e3dd157 | 526 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 527 | "TX timeout", pdev->pdev_tx_timeout); |
5e3dd157 | 528 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 529 | "PDEV resets", pdev->pdev_resets); |
5e3dd157 | 530 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 531 | "PHY underrun", pdev->phy_underrun); |
5e3dd157 | 532 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 533 | "MPDU is more than txop limit", pdev->txop_ovf); |
5e3dd157 KV |
534 | |
535 | len += scnprintf(buf + len, buf_len - len, "\n"); | |
536 | len += scnprintf(buf + len, buf_len - len, "%30s\n", | |
537 | "ath10k PDEV RX stats"); | |
538 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", | |
539 | "================="); | |
540 | ||
541 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
542 | "Mid PPDU route change", | |
5326849a | 543 | pdev->mid_ppdu_route_change); |
5e3dd157 | 544 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 545 | "Tot. number of statuses", pdev->status_rcvd); |
5e3dd157 | 546 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 547 | "Extra frags on rings 0", pdev->r0_frags); |
5e3dd157 | 548 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 549 | "Extra frags on rings 1", pdev->r1_frags); |
5e3dd157 | 550 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 551 | "Extra frags on rings 2", pdev->r2_frags); |
5e3dd157 | 552 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 553 | "Extra frags on rings 3", pdev->r3_frags); |
5e3dd157 | 554 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 555 | "MSDUs delivered to HTT", pdev->htt_msdus); |
5e3dd157 | 556 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 557 | "MPDUs delivered to HTT", pdev->htt_mpdus); |
5e3dd157 | 558 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 559 | "MSDUs delivered to stack", pdev->loc_msdus); |
5e3dd157 | 560 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 561 | "MPDUs delivered to stack", pdev->loc_mpdus); |
5e3dd157 | 562 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 563 | "Oversized AMSUs", pdev->oversize_amsdu); |
5e3dd157 | 564 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 565 | "PHY errors", pdev->phy_errs); |
5e3dd157 | 566 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 567 | "PHY errors drops", pdev->phy_err_drop); |
5e3dd157 | 568 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 569 | "MPDU errors (FCS, MIC, ENC)", pdev->mpdu_errs); |
5e3dd157 | 570 | |
7b6b153a MK |
571 | len += scnprintf(buf + len, buf_len - len, "\n"); |
572 | len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n", | |
573 | "ath10k VDEV stats", num_vdevs); | |
574 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", | |
575 | "================="); | |
576 | ||
577 | list_for_each_entry(vdev, &fw_stats->vdevs, list) { | |
578 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", | |
579 | "vdev id", vdev->vdev_id); | |
580 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", | |
581 | "beacon snr", vdev->beacon_snr); | |
582 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", | |
583 | "data snr", vdev->data_snr); | |
584 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", | |
585 | "num rx frames", vdev->num_rx_frames); | |
586 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", | |
587 | "num rts fail", vdev->num_rts_fail); | |
588 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", | |
589 | "num rts success", vdev->num_rts_success); | |
590 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", | |
591 | "num rx err", vdev->num_rx_err); | |
592 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", | |
593 | "num rx discard", vdev->num_rx_discard); | |
594 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", | |
595 | "num tx not acked", vdev->num_tx_not_acked); | |
596 | ||
597 | for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames); i++) | |
598 | len += scnprintf(buf + len, buf_len - len, | |
599 | "%25s [%02d] %u\n", | |
600 | "num tx frames", i, | |
601 | vdev->num_tx_frames[i]); | |
602 | ||
603 | for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames_retries); i++) | |
604 | len += scnprintf(buf + len, buf_len - len, | |
605 | "%25s [%02d] %u\n", | |
606 | "num tx frames retries", i, | |
607 | vdev->num_tx_frames_retries[i]); | |
608 | ||
609 | for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames_failures); i++) | |
610 | len += scnprintf(buf + len, buf_len - len, | |
611 | "%25s [%02d] %u\n", | |
612 | "num tx frames failures", i, | |
613 | vdev->num_tx_frames_failures[i]); | |
614 | ||
615 | for (i = 0 ; i < ARRAY_SIZE(vdev->tx_rate_history); i++) | |
616 | len += scnprintf(buf + len, buf_len - len, | |
617 | "%25s [%02d] 0x%08x\n", | |
618 | "tx rate history", i, | |
619 | vdev->tx_rate_history[i]); | |
620 | ||
621 | for (i = 0 ; i < ARRAY_SIZE(vdev->beacon_rssi_history); i++) | |
622 | len += scnprintf(buf + len, buf_len - len, | |
623 | "%25s [%02d] %u\n", | |
624 | "beacon rssi history", i, | |
625 | vdev->beacon_rssi_history[i]); | |
626 | ||
627 | len += scnprintf(buf + len, buf_len - len, "\n"); | |
628 | } | |
629 | ||
5e3dd157 | 630 | len += scnprintf(buf + len, buf_len - len, "\n"); |
5326849a MK |
631 | len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n", |
632 | "ath10k PEER stats", num_peers); | |
5e3dd157 KV |
633 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", |
634 | "================="); | |
635 | ||
5326849a | 636 | list_for_each_entry(peer, &fw_stats->peers, list) { |
5e3dd157 | 637 | len += scnprintf(buf + len, buf_len - len, "%30s %pM\n", |
5326849a | 638 | "Peer MAC address", peer->peer_macaddr); |
5e3dd157 | 639 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", |
5326849a | 640 | "Peer RSSI", peer->peer_rssi); |
5e3dd157 | 641 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", |
5326849a | 642 | "Peer TX rate", peer->peer_tx_rate); |
23c3aae4 | 643 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", |
5326849a | 644 | "Peer RX rate", peer->peer_rx_rate); |
5e3dd157 KV |
645 | len += scnprintf(buf + len, buf_len - len, "\n"); |
646 | } | |
5326849a MK |
647 | |
648 | unlock: | |
87571bf0 | 649 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 | 650 | |
fb2e9c0c MK |
651 | if (len >= buf_len) |
652 | buf[len - 1] = 0; | |
653 | else | |
654 | buf[len] = 0; | |
655 | } | |
5e3dd157 | 656 | |
fb2e9c0c MK |
657 | static int ath10k_fw_stats_open(struct inode *inode, struct file *file) |
658 | { | |
659 | struct ath10k *ar = inode->i_private; | |
660 | void *buf = NULL; | |
661 | int ret; | |
662 | ||
663 | mutex_lock(&ar->conf_mutex); | |
664 | ||
665 | if (ar->state != ATH10K_STATE_ON) { | |
666 | ret = -ENETDOWN; | |
667 | goto err_unlock; | |
668 | } | |
669 | ||
670 | buf = vmalloc(ATH10K_FW_STATS_BUF_SIZE); | |
671 | if (!buf) { | |
672 | ret = -ENOMEM; | |
673 | goto err_unlock; | |
674 | } | |
675 | ||
5326849a | 676 | ret = ath10k_debug_fw_stats_request(ar); |
fb2e9c0c MK |
677 | if (ret) { |
678 | ath10k_warn(ar, "failed to request fw stats: %d\n", ret); | |
679 | goto err_free; | |
680 | } | |
681 | ||
682 | ath10k_fw_stats_fill(ar, &ar->debug.fw_stats, buf); | |
683 | file->private_data = buf; | |
5e3dd157 KV |
684 | |
685 | mutex_unlock(&ar->conf_mutex); | |
fb2e9c0c MK |
686 | return 0; |
687 | ||
688 | err_free: | |
689 | vfree(buf); | |
690 | ||
691 | err_unlock: | |
692 | mutex_unlock(&ar->conf_mutex); | |
693 | return ret; | |
694 | } | |
695 | ||
696 | static int ath10k_fw_stats_release(struct inode *inode, struct file *file) | |
697 | { | |
698 | vfree(file->private_data); | |
699 | ||
700 | return 0; | |
701 | } | |
702 | ||
703 | static ssize_t ath10k_fw_stats_read(struct file *file, char __user *user_buf, | |
704 | size_t count, loff_t *ppos) | |
705 | { | |
706 | const char *buf = file->private_data; | |
707 | unsigned int len = strlen(buf); | |
708 | ||
709 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
5e3dd157 KV |
710 | } |
711 | ||
712 | static const struct file_operations fops_fw_stats = { | |
fb2e9c0c MK |
713 | .open = ath10k_fw_stats_open, |
714 | .release = ath10k_fw_stats_release, | |
60ef401a | 715 | .read = ath10k_fw_stats_read, |
5e3dd157 KV |
716 | .owner = THIS_MODULE, |
717 | .llseek = default_llseek, | |
718 | }; | |
719 | ||
f51dbe73 BG |
720 | static ssize_t ath10k_debug_fw_reset_stats_read(struct file *file, |
721 | char __user *user_buf, | |
722 | size_t count, loff_t *ppos) | |
723 | { | |
724 | struct ath10k *ar = file->private_data; | |
725 | int ret, len, buf_len; | |
726 | char *buf; | |
727 | ||
728 | buf_len = 500; | |
729 | buf = kmalloc(buf_len, GFP_KERNEL); | |
730 | if (!buf) | |
731 | return -ENOMEM; | |
732 | ||
733 | spin_lock_bh(&ar->data_lock); | |
734 | ||
735 | len = 0; | |
736 | len += scnprintf(buf + len, buf_len - len, | |
737 | "fw_crash_counter\t\t%d\n", ar->stats.fw_crash_counter); | |
738 | len += scnprintf(buf + len, buf_len - len, | |
739 | "fw_warm_reset_counter\t\t%d\n", | |
740 | ar->stats.fw_warm_reset_counter); | |
741 | len += scnprintf(buf + len, buf_len - len, | |
742 | "fw_cold_reset_counter\t\t%d\n", | |
743 | ar->stats.fw_cold_reset_counter); | |
744 | ||
745 | spin_unlock_bh(&ar->data_lock); | |
746 | ||
747 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
748 | ||
749 | kfree(buf); | |
750 | ||
751 | return ret; | |
752 | } | |
753 | ||
754 | static const struct file_operations fops_fw_reset_stats = { | |
755 | .open = simple_open, | |
756 | .read = ath10k_debug_fw_reset_stats_read, | |
757 | .owner = THIS_MODULE, | |
758 | .llseek = default_llseek, | |
759 | }; | |
760 | ||
d5aebc77 BG |
761 | /* This is a clean assert crash in firmware. */ |
762 | static int ath10k_debug_fw_assert(struct ath10k *ar) | |
763 | { | |
764 | struct wmi_vdev_install_key_cmd *cmd; | |
765 | struct sk_buff *skb; | |
766 | ||
767 | skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd) + 16); | |
768 | if (!skb) | |
769 | return -ENOMEM; | |
770 | ||
771 | cmd = (struct wmi_vdev_install_key_cmd *)skb->data; | |
772 | memset(cmd, 0, sizeof(*cmd)); | |
773 | ||
774 | /* big enough number so that firmware asserts */ | |
775 | cmd->vdev_id = __cpu_to_le32(0x7ffe); | |
776 | ||
777 | return ath10k_wmi_cmd_send(ar, skb, | |
778 | ar->wmi.cmd->vdev_install_key_cmdid); | |
779 | } | |
780 | ||
278c4a85 MK |
781 | static ssize_t ath10k_read_simulate_fw_crash(struct file *file, |
782 | char __user *user_buf, | |
783 | size_t count, loff_t *ppos) | |
784 | { | |
75cb96d3 KV |
785 | const char buf[] = |
786 | "To simulate firmware crash write one of the keywords to this file:\n" | |
787 | "`soft` - this will send WMI_FORCE_FW_HANG_ASSERT to firmware if FW supports that command.\n" | |
788 | "`hard` - this will send to firmware command with illegal parameters causing firmware crash.\n" | |
605cdba1 MK |
789 | "`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n" |
790 | "`hw-restart` - this will simply queue hw restart without fw/hw actually crashing.\n"; | |
8c656992 | 791 | |
278c4a85 MK |
792 | return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); |
793 | } | |
794 | ||
8c656992 MP |
795 | /* Simulate firmware crash: |
796 | * 'soft': Call wmi command causing firmware hang. This firmware hang is | |
797 | * recoverable by warm firmware reset. | |
798 | * 'hard': Force firmware crash by setting any vdev parameter for not allowed | |
799 | * vdev id. This is hard firmware crash because it is recoverable only by cold | |
800 | * firmware reset. | |
801 | */ | |
278c4a85 MK |
802 | static ssize_t ath10k_write_simulate_fw_crash(struct file *file, |
803 | const char __user *user_buf, | |
804 | size_t count, loff_t *ppos) | |
805 | { | |
806 | struct ath10k *ar = file->private_data; | |
8c656992 | 807 | char buf[32]; |
278c4a85 MK |
808 | int ret; |
809 | ||
810 | mutex_lock(&ar->conf_mutex); | |
811 | ||
812 | simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); | |
8c656992 MP |
813 | |
814 | /* make sure that buf is null terminated */ | |
815 | buf[sizeof(buf) - 1] = 0; | |
278c4a85 MK |
816 | |
817 | if (ar->state != ATH10K_STATE_ON && | |
818 | ar->state != ATH10K_STATE_RESTARTED) { | |
819 | ret = -ENETDOWN; | |
820 | goto exit; | |
821 | } | |
822 | ||
8c656992 MP |
823 | /* drop the possible '\n' from the end */ |
824 | if (buf[count - 1] == '\n') { | |
825 | buf[count - 1] = 0; | |
826 | count--; | |
827 | } | |
828 | ||
829 | if (!strcmp(buf, "soft")) { | |
7aa7a72a | 830 | ath10k_info(ar, "simulating soft firmware crash\n"); |
8c656992 MP |
831 | ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0); |
832 | } else if (!strcmp(buf, "hard")) { | |
7aa7a72a | 833 | ath10k_info(ar, "simulating hard firmware crash\n"); |
611b3682 BG |
834 | /* 0x7fff is vdev id, and it is always out of range for all |
835 | * firmware variants in order to force a firmware crash. | |
836 | */ | |
837 | ret = ath10k_wmi_vdev_set_param(ar, 0x7fff, | |
5b07e07f KV |
838 | ar->wmi.vdev_param->rts_threshold, |
839 | 0); | |
d5aebc77 BG |
840 | } else if (!strcmp(buf, "assert")) { |
841 | ath10k_info(ar, "simulating firmware assert crash\n"); | |
842 | ret = ath10k_debug_fw_assert(ar); | |
605cdba1 MK |
843 | } else if (!strcmp(buf, "hw-restart")) { |
844 | ath10k_info(ar, "user requested hw restart\n"); | |
845 | queue_work(ar->workqueue, &ar->restart_work); | |
846 | ret = 0; | |
8c656992 MP |
847 | } else { |
848 | ret = -EINVAL; | |
849 | goto exit; | |
850 | } | |
278c4a85 | 851 | |
8c656992 | 852 | if (ret) { |
7aa7a72a | 853 | ath10k_warn(ar, "failed to simulate firmware crash: %d\n", ret); |
8c656992 MP |
854 | goto exit; |
855 | } | |
278c4a85 | 856 | |
8c656992 | 857 | ret = count; |
278c4a85 MK |
858 | |
859 | exit: | |
860 | mutex_unlock(&ar->conf_mutex); | |
861 | return ret; | |
862 | } | |
863 | ||
864 | static const struct file_operations fops_simulate_fw_crash = { | |
865 | .read = ath10k_read_simulate_fw_crash, | |
866 | .write = ath10k_write_simulate_fw_crash, | |
867 | .open = simple_open, | |
868 | .owner = THIS_MODULE, | |
869 | .llseek = default_llseek, | |
870 | }; | |
871 | ||
763b8cd3 KV |
872 | static ssize_t ath10k_read_chip_id(struct file *file, char __user *user_buf, |
873 | size_t count, loff_t *ppos) | |
874 | { | |
875 | struct ath10k *ar = file->private_data; | |
876 | unsigned int len; | |
877 | char buf[50]; | |
878 | ||
879 | len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->chip_id); | |
880 | ||
881 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
882 | } | |
883 | ||
884 | static const struct file_operations fops_chip_id = { | |
885 | .read = ath10k_read_chip_id, | |
886 | .open = simple_open, | |
887 | .owner = THIS_MODULE, | |
888 | .llseek = default_llseek, | |
889 | }; | |
890 | ||
384914b2 BG |
891 | struct ath10k_fw_crash_data * |
892 | ath10k_debug_get_new_fw_crash_data(struct ath10k *ar) | |
893 | { | |
894 | struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data; | |
895 | ||
896 | lockdep_assert_held(&ar->data_lock); | |
897 | ||
898 | crash_data->crashed_since_read = true; | |
899 | uuid_le_gen(&crash_data->uuid); | |
900 | getnstimeofday(&crash_data->timestamp); | |
901 | ||
902 | return crash_data; | |
903 | } | |
904 | EXPORT_SYMBOL(ath10k_debug_get_new_fw_crash_data); | |
905 | ||
906 | static struct ath10k_dump_file_data *ath10k_build_dump_file(struct ath10k *ar) | |
907 | { | |
908 | struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data; | |
909 | struct ath10k_dump_file_data *dump_data; | |
910 | struct ath10k_tlv_dump_data *dump_tlv; | |
911 | int hdr_len = sizeof(*dump_data); | |
912 | unsigned int len, sofar = 0; | |
913 | unsigned char *buf; | |
914 | ||
915 | len = hdr_len; | |
916 | len += sizeof(*dump_tlv) + sizeof(crash_data->registers); | |
917 | ||
918 | sofar += hdr_len; | |
919 | ||
920 | /* This is going to get big when we start dumping FW RAM and such, | |
921 | * so go ahead and use vmalloc. | |
922 | */ | |
923 | buf = vzalloc(len); | |
924 | if (!buf) | |
925 | return NULL; | |
926 | ||
927 | spin_lock_bh(&ar->data_lock); | |
928 | ||
929 | if (!crash_data->crashed_since_read) { | |
930 | spin_unlock_bh(&ar->data_lock); | |
931 | vfree(buf); | |
932 | return NULL; | |
933 | } | |
934 | ||
935 | dump_data = (struct ath10k_dump_file_data *)(buf); | |
936 | strlcpy(dump_data->df_magic, "ATH10K-FW-DUMP", | |
937 | sizeof(dump_data->df_magic)); | |
938 | dump_data->len = cpu_to_le32(len); | |
939 | ||
940 | dump_data->version = cpu_to_le32(ATH10K_FW_CRASH_DUMP_VERSION); | |
941 | ||
942 | memcpy(dump_data->uuid, &crash_data->uuid, sizeof(dump_data->uuid)); | |
943 | dump_data->chip_id = cpu_to_le32(ar->chip_id); | |
944 | dump_data->bus_type = cpu_to_le32(0); | |
945 | dump_data->target_version = cpu_to_le32(ar->target_version); | |
946 | dump_data->fw_version_major = cpu_to_le32(ar->fw_version_major); | |
947 | dump_data->fw_version_minor = cpu_to_le32(ar->fw_version_minor); | |
948 | dump_data->fw_version_release = cpu_to_le32(ar->fw_version_release); | |
949 | dump_data->fw_version_build = cpu_to_le32(ar->fw_version_build); | |
950 | dump_data->phy_capability = cpu_to_le32(ar->phy_capability); | |
951 | dump_data->hw_min_tx_power = cpu_to_le32(ar->hw_min_tx_power); | |
952 | dump_data->hw_max_tx_power = cpu_to_le32(ar->hw_max_tx_power); | |
953 | dump_data->ht_cap_info = cpu_to_le32(ar->ht_cap_info); | |
954 | dump_data->vht_cap_info = cpu_to_le32(ar->vht_cap_info); | |
955 | dump_data->num_rf_chains = cpu_to_le32(ar->num_rf_chains); | |
956 | ||
957 | strlcpy(dump_data->fw_ver, ar->hw->wiphy->fw_version, | |
958 | sizeof(dump_data->fw_ver)); | |
959 | ||
12c27156 JB |
960 | dump_data->kernel_ver_code = 0; |
961 | strlcpy(dump_data->kernel_ver, init_utsname()->release, | |
384914b2 BG |
962 | sizeof(dump_data->kernel_ver)); |
963 | ||
964 | dump_data->tv_sec = cpu_to_le64(crash_data->timestamp.tv_sec); | |
965 | dump_data->tv_nsec = cpu_to_le64(crash_data->timestamp.tv_nsec); | |
966 | ||
967 | /* Gather crash-dump */ | |
968 | dump_tlv = (struct ath10k_tlv_dump_data *)(buf + sofar); | |
969 | dump_tlv->type = cpu_to_le32(ATH10K_FW_CRASH_DUMP_REGISTERS); | |
970 | dump_tlv->tlv_len = cpu_to_le32(sizeof(crash_data->registers)); | |
971 | memcpy(dump_tlv->tlv_data, &crash_data->registers, | |
972 | sizeof(crash_data->registers)); | |
973 | sofar += sizeof(*dump_tlv) + sizeof(crash_data->registers); | |
974 | ||
975 | ar->debug.fw_crash_data->crashed_since_read = false; | |
976 | ||
977 | spin_unlock_bh(&ar->data_lock); | |
978 | ||
979 | return dump_data; | |
980 | } | |
981 | ||
982 | static int ath10k_fw_crash_dump_open(struct inode *inode, struct file *file) | |
983 | { | |
984 | struct ath10k *ar = inode->i_private; | |
985 | struct ath10k_dump_file_data *dump; | |
986 | ||
987 | dump = ath10k_build_dump_file(ar); | |
988 | if (!dump) | |
989 | return -ENODATA; | |
990 | ||
991 | file->private_data = dump; | |
992 | ||
993 | return 0; | |
994 | } | |
995 | ||
996 | static ssize_t ath10k_fw_crash_dump_read(struct file *file, | |
997 | char __user *user_buf, | |
998 | size_t count, loff_t *ppos) | |
999 | { | |
1000 | struct ath10k_dump_file_data *dump_file = file->private_data; | |
1001 | ||
1002 | return simple_read_from_buffer(user_buf, count, ppos, | |
1003 | dump_file, | |
1004 | le32_to_cpu(dump_file->len)); | |
1005 | } | |
1006 | ||
1007 | static int ath10k_fw_crash_dump_release(struct inode *inode, | |
1008 | struct file *file) | |
1009 | { | |
1010 | vfree(file->private_data); | |
1011 | ||
1012 | return 0; | |
1013 | } | |
1014 | ||
1015 | static const struct file_operations fops_fw_crash_dump = { | |
1016 | .open = ath10k_fw_crash_dump_open, | |
1017 | .read = ath10k_fw_crash_dump_read, | |
1018 | .release = ath10k_fw_crash_dump_release, | |
1019 | .owner = THIS_MODULE, | |
1020 | .llseek = default_llseek, | |
1021 | }; | |
1022 | ||
077a3804 YL |
1023 | static ssize_t ath10k_reg_addr_read(struct file *file, |
1024 | char __user *user_buf, | |
1025 | size_t count, loff_t *ppos) | |
1026 | { | |
1027 | struct ath10k *ar = file->private_data; | |
1028 | u8 buf[32]; | |
1029 | unsigned int len = 0; | |
1030 | u32 reg_addr; | |
1031 | ||
1032 | mutex_lock(&ar->conf_mutex); | |
1033 | reg_addr = ar->debug.reg_addr; | |
1034 | mutex_unlock(&ar->conf_mutex); | |
1035 | ||
1036 | len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n", reg_addr); | |
1037 | ||
1038 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1039 | } | |
1040 | ||
1041 | static ssize_t ath10k_reg_addr_write(struct file *file, | |
1042 | const char __user *user_buf, | |
1043 | size_t count, loff_t *ppos) | |
1044 | { | |
1045 | struct ath10k *ar = file->private_data; | |
1046 | u32 reg_addr; | |
1047 | int ret; | |
1048 | ||
1049 | ret = kstrtou32_from_user(user_buf, count, 0, ®_addr); | |
1050 | if (ret) | |
1051 | return ret; | |
1052 | ||
1053 | if (!IS_ALIGNED(reg_addr, 4)) | |
1054 | return -EFAULT; | |
1055 | ||
1056 | mutex_lock(&ar->conf_mutex); | |
1057 | ar->debug.reg_addr = reg_addr; | |
1058 | mutex_unlock(&ar->conf_mutex); | |
1059 | ||
1060 | return count; | |
1061 | } | |
1062 | ||
1063 | static const struct file_operations fops_reg_addr = { | |
1064 | .read = ath10k_reg_addr_read, | |
1065 | .write = ath10k_reg_addr_write, | |
1066 | .open = simple_open, | |
1067 | .owner = THIS_MODULE, | |
1068 | .llseek = default_llseek, | |
1069 | }; | |
1070 | ||
1071 | static ssize_t ath10k_reg_value_read(struct file *file, | |
1072 | char __user *user_buf, | |
1073 | size_t count, loff_t *ppos) | |
1074 | { | |
1075 | struct ath10k *ar = file->private_data; | |
1076 | u8 buf[48]; | |
1077 | unsigned int len; | |
1078 | u32 reg_addr, reg_val; | |
1079 | int ret; | |
1080 | ||
1081 | mutex_lock(&ar->conf_mutex); | |
1082 | ||
1083 | if (ar->state != ATH10K_STATE_ON && | |
1084 | ar->state != ATH10K_STATE_UTF) { | |
1085 | ret = -ENETDOWN; | |
1086 | goto exit; | |
1087 | } | |
1088 | ||
1089 | reg_addr = ar->debug.reg_addr; | |
1090 | ||
1091 | reg_val = ath10k_hif_read32(ar, reg_addr); | |
1092 | len = scnprintf(buf, sizeof(buf), "0x%08x:0x%08x\n", reg_addr, reg_val); | |
1093 | ||
1094 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1095 | ||
1096 | exit: | |
1097 | mutex_unlock(&ar->conf_mutex); | |
1098 | ||
1099 | return ret; | |
1100 | } | |
1101 | ||
1102 | static ssize_t ath10k_reg_value_write(struct file *file, | |
1103 | const char __user *user_buf, | |
1104 | size_t count, loff_t *ppos) | |
1105 | { | |
1106 | struct ath10k *ar = file->private_data; | |
1107 | u32 reg_addr, reg_val; | |
1108 | int ret; | |
1109 | ||
1110 | mutex_lock(&ar->conf_mutex); | |
1111 | ||
1112 | if (ar->state != ATH10K_STATE_ON && | |
1113 | ar->state != ATH10K_STATE_UTF) { | |
1114 | ret = -ENETDOWN; | |
1115 | goto exit; | |
1116 | } | |
1117 | ||
1118 | reg_addr = ar->debug.reg_addr; | |
1119 | ||
1120 | ret = kstrtou32_from_user(user_buf, count, 0, ®_val); | |
1121 | if (ret) | |
1122 | goto exit; | |
1123 | ||
1124 | ath10k_hif_write32(ar, reg_addr, reg_val); | |
1125 | ||
1126 | ret = count; | |
1127 | ||
1128 | exit: | |
1129 | mutex_unlock(&ar->conf_mutex); | |
1130 | ||
1131 | return ret; | |
1132 | } | |
1133 | ||
1134 | static const struct file_operations fops_reg_value = { | |
1135 | .read = ath10k_reg_value_read, | |
1136 | .write = ath10k_reg_value_write, | |
1137 | .open = simple_open, | |
1138 | .owner = THIS_MODULE, | |
1139 | .llseek = default_llseek, | |
1140 | }; | |
1141 | ||
9f65ad25 YL |
1142 | static ssize_t ath10k_mem_value_read(struct file *file, |
1143 | char __user *user_buf, | |
1144 | size_t count, loff_t *ppos) | |
1145 | { | |
1146 | struct ath10k *ar = file->private_data; | |
1147 | u8 *buf; | |
1148 | int ret; | |
1149 | ||
1150 | if (*ppos < 0) | |
1151 | return -EINVAL; | |
1152 | ||
1153 | if (!count) | |
1154 | return 0; | |
1155 | ||
1156 | mutex_lock(&ar->conf_mutex); | |
1157 | ||
1158 | buf = vmalloc(count); | |
1159 | if (!buf) { | |
1160 | ret = -ENOMEM; | |
1161 | goto exit; | |
1162 | } | |
1163 | ||
1164 | if (ar->state != ATH10K_STATE_ON && | |
1165 | ar->state != ATH10K_STATE_UTF) { | |
1166 | ret = -ENETDOWN; | |
1167 | goto exit; | |
1168 | } | |
1169 | ||
1170 | ret = ath10k_hif_diag_read(ar, *ppos, buf, count); | |
1171 | if (ret) { | |
1172 | ath10k_warn(ar, "failed to read address 0x%08x via diagnose window fnrom debugfs: %d\n", | |
1173 | (u32)(*ppos), ret); | |
1174 | goto exit; | |
1175 | } | |
1176 | ||
1177 | ret = copy_to_user(user_buf, buf, count); | |
1178 | if (ret) { | |
1179 | ret = -EFAULT; | |
1180 | goto exit; | |
1181 | } | |
1182 | ||
1183 | count -= ret; | |
1184 | *ppos += count; | |
1185 | ret = count; | |
1186 | ||
1187 | exit: | |
1188 | vfree(buf); | |
1189 | mutex_unlock(&ar->conf_mutex); | |
1190 | ||
1191 | return ret; | |
1192 | } | |
1193 | ||
1194 | static ssize_t ath10k_mem_value_write(struct file *file, | |
1195 | const char __user *user_buf, | |
1196 | size_t count, loff_t *ppos) | |
1197 | { | |
1198 | struct ath10k *ar = file->private_data; | |
1199 | u8 *buf; | |
1200 | int ret; | |
1201 | ||
1202 | if (*ppos < 0) | |
1203 | return -EINVAL; | |
1204 | ||
1205 | if (!count) | |
1206 | return 0; | |
1207 | ||
1208 | mutex_lock(&ar->conf_mutex); | |
1209 | ||
1210 | buf = vmalloc(count); | |
1211 | if (!buf) { | |
1212 | ret = -ENOMEM; | |
1213 | goto exit; | |
1214 | } | |
1215 | ||
1216 | if (ar->state != ATH10K_STATE_ON && | |
1217 | ar->state != ATH10K_STATE_UTF) { | |
1218 | ret = -ENETDOWN; | |
1219 | goto exit; | |
1220 | } | |
1221 | ||
1222 | ret = copy_from_user(buf, user_buf, count); | |
1223 | if (ret) { | |
1224 | ret = -EFAULT; | |
1225 | goto exit; | |
1226 | } | |
1227 | ||
1228 | ret = ath10k_hif_diag_write(ar, *ppos, buf, count); | |
1229 | if (ret) { | |
1230 | ath10k_warn(ar, "failed to write address 0x%08x via diagnose window from debugfs: %d\n", | |
1231 | (u32)(*ppos), ret); | |
1232 | goto exit; | |
1233 | } | |
1234 | ||
1235 | *ppos += count; | |
1236 | ret = count; | |
1237 | ||
1238 | exit: | |
1239 | vfree(buf); | |
1240 | mutex_unlock(&ar->conf_mutex); | |
1241 | ||
1242 | return ret; | |
1243 | } | |
1244 | ||
1245 | static const struct file_operations fops_mem_value = { | |
1246 | .read = ath10k_mem_value_read, | |
1247 | .write = ath10k_mem_value_write, | |
1248 | .open = simple_open, | |
1249 | .owner = THIS_MODULE, | |
1250 | .llseek = default_llseek, | |
1251 | }; | |
1252 | ||
a3d135e5 KV |
1253 | static int ath10k_debug_htt_stats_req(struct ath10k *ar) |
1254 | { | |
1255 | u64 cookie; | |
1256 | int ret; | |
1257 | ||
1258 | lockdep_assert_held(&ar->conf_mutex); | |
1259 | ||
1260 | if (ar->debug.htt_stats_mask == 0) | |
1261 | /* htt stats are disabled */ | |
1262 | return 0; | |
1263 | ||
1264 | if (ar->state != ATH10K_STATE_ON) | |
1265 | return 0; | |
1266 | ||
1267 | cookie = get_jiffies_64(); | |
1268 | ||
1269 | ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask, | |
1270 | cookie); | |
1271 | if (ret) { | |
7aa7a72a | 1272 | ath10k_warn(ar, "failed to send htt stats request: %d\n", ret); |
a3d135e5 KV |
1273 | return ret; |
1274 | } | |
1275 | ||
1276 | queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork, | |
1277 | msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL)); | |
1278 | ||
1279 | return 0; | |
1280 | } | |
1281 | ||
1282 | static void ath10k_debug_htt_stats_dwork(struct work_struct *work) | |
1283 | { | |
1284 | struct ath10k *ar = container_of(work, struct ath10k, | |
1285 | debug.htt_stats_dwork.work); | |
1286 | ||
1287 | mutex_lock(&ar->conf_mutex); | |
1288 | ||
1289 | ath10k_debug_htt_stats_req(ar); | |
1290 | ||
1291 | mutex_unlock(&ar->conf_mutex); | |
1292 | } | |
1293 | ||
1294 | static ssize_t ath10k_read_htt_stats_mask(struct file *file, | |
5b07e07f KV |
1295 | char __user *user_buf, |
1296 | size_t count, loff_t *ppos) | |
a3d135e5 KV |
1297 | { |
1298 | struct ath10k *ar = file->private_data; | |
1299 | char buf[32]; | |
1300 | unsigned int len; | |
1301 | ||
1302 | len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask); | |
1303 | ||
1304 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1305 | } | |
1306 | ||
1307 | static ssize_t ath10k_write_htt_stats_mask(struct file *file, | |
5b07e07f KV |
1308 | const char __user *user_buf, |
1309 | size_t count, loff_t *ppos) | |
a3d135e5 KV |
1310 | { |
1311 | struct ath10k *ar = file->private_data; | |
1312 | unsigned long mask; | |
1313 | int ret; | |
1314 | ||
1315 | ret = kstrtoul_from_user(user_buf, count, 0, &mask); | |
1316 | if (ret) | |
1317 | return ret; | |
1318 | ||
1319 | /* max 8 bit masks (for now) */ | |
1320 | if (mask > 0xff) | |
1321 | return -E2BIG; | |
1322 | ||
1323 | mutex_lock(&ar->conf_mutex); | |
1324 | ||
1325 | ar->debug.htt_stats_mask = mask; | |
1326 | ||
1327 | ret = ath10k_debug_htt_stats_req(ar); | |
1328 | if (ret) | |
1329 | goto out; | |
1330 | ||
1331 | ret = count; | |
1332 | ||
1333 | out: | |
1334 | mutex_unlock(&ar->conf_mutex); | |
1335 | ||
1336 | return ret; | |
1337 | } | |
1338 | ||
1339 | static const struct file_operations fops_htt_stats_mask = { | |
1340 | .read = ath10k_read_htt_stats_mask, | |
1341 | .write = ath10k_write_htt_stats_mask, | |
1342 | .open = simple_open, | |
1343 | .owner = THIS_MODULE, | |
1344 | .llseek = default_llseek, | |
1345 | }; | |
1346 | ||
d385623a JD |
1347 | static ssize_t ath10k_read_htt_max_amsdu_ampdu(struct file *file, |
1348 | char __user *user_buf, | |
1349 | size_t count, loff_t *ppos) | |
1350 | { | |
1351 | struct ath10k *ar = file->private_data; | |
1352 | char buf[64]; | |
1353 | u8 amsdu = 3, ampdu = 64; | |
1354 | unsigned int len; | |
1355 | ||
1356 | mutex_lock(&ar->conf_mutex); | |
1357 | ||
1358 | if (ar->debug.htt_max_amsdu) | |
1359 | amsdu = ar->debug.htt_max_amsdu; | |
1360 | ||
1361 | if (ar->debug.htt_max_ampdu) | |
1362 | ampdu = ar->debug.htt_max_ampdu; | |
1363 | ||
1364 | mutex_unlock(&ar->conf_mutex); | |
1365 | ||
1366 | len = scnprintf(buf, sizeof(buf), "%u %u\n", amsdu, ampdu); | |
1367 | ||
1368 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1369 | } | |
1370 | ||
1371 | static ssize_t ath10k_write_htt_max_amsdu_ampdu(struct file *file, | |
1372 | const char __user *user_buf, | |
1373 | size_t count, loff_t *ppos) | |
1374 | { | |
1375 | struct ath10k *ar = file->private_data; | |
1376 | int res; | |
1377 | char buf[64]; | |
1378 | unsigned int amsdu, ampdu; | |
1379 | ||
1380 | simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); | |
1381 | ||
1382 | /* make sure that buf is null terminated */ | |
1383 | buf[sizeof(buf) - 1] = 0; | |
1384 | ||
1385 | res = sscanf(buf, "%u %u", &amsdu, &du); | |
1386 | ||
1387 | if (res != 2) | |
1388 | return -EINVAL; | |
1389 | ||
1390 | mutex_lock(&ar->conf_mutex); | |
1391 | ||
1392 | res = ath10k_htt_h2t_aggr_cfg_msg(&ar->htt, ampdu, amsdu); | |
1393 | if (res) | |
1394 | goto out; | |
1395 | ||
1396 | res = count; | |
1397 | ar->debug.htt_max_amsdu = amsdu; | |
1398 | ar->debug.htt_max_ampdu = ampdu; | |
1399 | ||
1400 | out: | |
1401 | mutex_unlock(&ar->conf_mutex); | |
1402 | return res; | |
1403 | } | |
1404 | ||
1405 | static const struct file_operations fops_htt_max_amsdu_ampdu = { | |
1406 | .read = ath10k_read_htt_max_amsdu_ampdu, | |
1407 | .write = ath10k_write_htt_max_amsdu_ampdu, | |
1408 | .open = simple_open, | |
1409 | .owner = THIS_MODULE, | |
1410 | .llseek = default_llseek, | |
1411 | }; | |
1412 | ||
f118a3e5 | 1413 | static ssize_t ath10k_read_fw_dbglog(struct file *file, |
5b07e07f KV |
1414 | char __user *user_buf, |
1415 | size_t count, loff_t *ppos) | |
f118a3e5 KV |
1416 | { |
1417 | struct ath10k *ar = file->private_data; | |
1418 | unsigned int len; | |
467210a6 | 1419 | char buf[64]; |
f118a3e5 | 1420 | |
467210a6 SJ |
1421 | len = scnprintf(buf, sizeof(buf), "0x%08x %u\n", |
1422 | ar->debug.fw_dbglog_mask, ar->debug.fw_dbglog_level); | |
f118a3e5 KV |
1423 | |
1424 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1425 | } | |
1426 | ||
1427 | static ssize_t ath10k_write_fw_dbglog(struct file *file, | |
1428 | const char __user *user_buf, | |
1429 | size_t count, loff_t *ppos) | |
1430 | { | |
1431 | struct ath10k *ar = file->private_data; | |
f118a3e5 | 1432 | int ret; |
467210a6 SJ |
1433 | char buf[64]; |
1434 | unsigned int log_level, mask; | |
f118a3e5 | 1435 | |
467210a6 SJ |
1436 | simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); |
1437 | ||
1438 | /* make sure that buf is null terminated */ | |
1439 | buf[sizeof(buf) - 1] = 0; | |
1440 | ||
1441 | ret = sscanf(buf, "%x %u", &mask, &log_level); | |
1442 | ||
1443 | if (!ret) | |
1444 | return -EINVAL; | |
1445 | ||
1446 | if (ret == 1) | |
1447 | /* default if user did not specify */ | |
1448 | log_level = ATH10K_DBGLOG_LEVEL_WARN; | |
f118a3e5 KV |
1449 | |
1450 | mutex_lock(&ar->conf_mutex); | |
1451 | ||
1452 | ar->debug.fw_dbglog_mask = mask; | |
467210a6 | 1453 | ar->debug.fw_dbglog_level = log_level; |
f118a3e5 KV |
1454 | |
1455 | if (ar->state == ATH10K_STATE_ON) { | |
467210a6 SJ |
1456 | ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask, |
1457 | ar->debug.fw_dbglog_level); | |
f118a3e5 | 1458 | if (ret) { |
7aa7a72a | 1459 | ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n", |
f118a3e5 KV |
1460 | ret); |
1461 | goto exit; | |
1462 | } | |
1463 | } | |
1464 | ||
1465 | ret = count; | |
1466 | ||
1467 | exit: | |
1468 | mutex_unlock(&ar->conf_mutex); | |
1469 | ||
1470 | return ret; | |
1471 | } | |
1472 | ||
6cddcc7a BG |
1473 | /* TODO: Would be nice to always support ethtool stats, would need to |
1474 | * move the stats storage out of ath10k_debug, or always have ath10k_debug | |
1475 | * struct available.. | |
1476 | */ | |
1477 | ||
1478 | /* This generally cooresponds to the debugfs fw_stats file */ | |
1479 | static const char ath10k_gstrings_stats[][ETH_GSTRING_LEN] = { | |
1480 | "tx_pkts_nic", | |
1481 | "tx_bytes_nic", | |
1482 | "rx_pkts_nic", | |
1483 | "rx_bytes_nic", | |
1484 | "d_noise_floor", | |
1485 | "d_cycle_count", | |
1486 | "d_phy_error", | |
1487 | "d_rts_bad", | |
1488 | "d_rts_good", | |
1489 | "d_tx_power", /* in .5 dbM I think */ | |
1490 | "d_rx_crc_err", /* fcs_bad */ | |
1491 | "d_no_beacon", | |
1492 | "d_tx_mpdus_queued", | |
1493 | "d_tx_msdu_queued", | |
1494 | "d_tx_msdu_dropped", | |
1495 | "d_local_enqued", | |
1496 | "d_local_freed", | |
1497 | "d_tx_ppdu_hw_queued", | |
1498 | "d_tx_ppdu_reaped", | |
1499 | "d_tx_fifo_underrun", | |
1500 | "d_tx_ppdu_abort", | |
1501 | "d_tx_mpdu_requed", | |
1502 | "d_tx_excessive_retries", | |
1503 | "d_tx_hw_rate", | |
1504 | "d_tx_dropped_sw_retries", | |
1505 | "d_tx_illegal_rate", | |
1506 | "d_tx_continuous_xretries", | |
1507 | "d_tx_timeout", | |
1508 | "d_tx_mpdu_txop_limit", | |
1509 | "d_pdev_resets", | |
1510 | "d_rx_mid_ppdu_route_change", | |
1511 | "d_rx_status", | |
1512 | "d_rx_extra_frags_ring0", | |
1513 | "d_rx_extra_frags_ring1", | |
1514 | "d_rx_extra_frags_ring2", | |
1515 | "d_rx_extra_frags_ring3", | |
1516 | "d_rx_msdu_htt", | |
1517 | "d_rx_mpdu_htt", | |
1518 | "d_rx_msdu_stack", | |
1519 | "d_rx_mpdu_stack", | |
1520 | "d_rx_phy_err", | |
1521 | "d_rx_phy_err_drops", | |
1522 | "d_rx_mpdu_errors", /* FCS, MIC, ENC */ | |
1523 | "d_fw_crash_count", | |
1524 | "d_fw_warm_reset_count", | |
1525 | "d_fw_cold_reset_count", | |
1526 | }; | |
1527 | ||
1528 | #define ATH10K_SSTATS_LEN ARRAY_SIZE(ath10k_gstrings_stats) | |
1529 | ||
1530 | void ath10k_debug_get_et_strings(struct ieee80211_hw *hw, | |
1531 | struct ieee80211_vif *vif, | |
1532 | u32 sset, u8 *data) | |
1533 | { | |
1534 | if (sset == ETH_SS_STATS) | |
1535 | memcpy(data, *ath10k_gstrings_stats, | |
1536 | sizeof(ath10k_gstrings_stats)); | |
1537 | } | |
1538 | ||
1539 | int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw, | |
1540 | struct ieee80211_vif *vif, int sset) | |
1541 | { | |
1542 | if (sset == ETH_SS_STATS) | |
1543 | return ATH10K_SSTATS_LEN; | |
1544 | ||
1545 | return 0; | |
1546 | } | |
1547 | ||
1548 | void ath10k_debug_get_et_stats(struct ieee80211_hw *hw, | |
1549 | struct ieee80211_vif *vif, | |
1550 | struct ethtool_stats *stats, u64 *data) | |
1551 | { | |
1552 | struct ath10k *ar = hw->priv; | |
1553 | static const struct ath10k_fw_stats_pdev zero_stats = {}; | |
1554 | const struct ath10k_fw_stats_pdev *pdev_stats; | |
1555 | int i = 0, ret; | |
1556 | ||
1557 | mutex_lock(&ar->conf_mutex); | |
1558 | ||
1559 | if (ar->state == ATH10K_STATE_ON) { | |
1560 | ret = ath10k_debug_fw_stats_request(ar); | |
1561 | if (ret) { | |
1562 | /* just print a warning and try to use older results */ | |
1563 | ath10k_warn(ar, | |
1564 | "failed to get fw stats for ethtool: %d\n", | |
1565 | ret); | |
1566 | } | |
1567 | } | |
1568 | ||
1569 | pdev_stats = list_first_entry_or_null(&ar->debug.fw_stats.pdevs, | |
1570 | struct ath10k_fw_stats_pdev, | |
1571 | list); | |
1572 | if (!pdev_stats) { | |
1573 | /* no results available so just return zeroes */ | |
1574 | pdev_stats = &zero_stats; | |
1575 | } | |
1576 | ||
1577 | spin_lock_bh(&ar->data_lock); | |
1578 | ||
1579 | data[i++] = pdev_stats->hw_reaped; /* ppdu reaped */ | |
1580 | data[i++] = 0; /* tx bytes */ | |
1581 | data[i++] = pdev_stats->htt_mpdus; | |
1582 | data[i++] = 0; /* rx bytes */ | |
1583 | data[i++] = pdev_stats->ch_noise_floor; | |
1584 | data[i++] = pdev_stats->cycle_count; | |
1585 | data[i++] = pdev_stats->phy_err_count; | |
1586 | data[i++] = pdev_stats->rts_bad; | |
1587 | data[i++] = pdev_stats->rts_good; | |
1588 | data[i++] = pdev_stats->chan_tx_power; | |
1589 | data[i++] = pdev_stats->fcs_bad; | |
1590 | data[i++] = pdev_stats->no_beacons; | |
1591 | data[i++] = pdev_stats->mpdu_enqued; | |
1592 | data[i++] = pdev_stats->msdu_enqued; | |
1593 | data[i++] = pdev_stats->wmm_drop; | |
1594 | data[i++] = pdev_stats->local_enqued; | |
1595 | data[i++] = pdev_stats->local_freed; | |
1596 | data[i++] = pdev_stats->hw_queued; | |
1597 | data[i++] = pdev_stats->hw_reaped; | |
1598 | data[i++] = pdev_stats->underrun; | |
1599 | data[i++] = pdev_stats->tx_abort; | |
1600 | data[i++] = pdev_stats->mpdus_requed; | |
1601 | data[i++] = pdev_stats->tx_ko; | |
1602 | data[i++] = pdev_stats->data_rc; | |
1603 | data[i++] = pdev_stats->sw_retry_failure; | |
1604 | data[i++] = pdev_stats->illgl_rate_phy_err; | |
1605 | data[i++] = pdev_stats->pdev_cont_xretry; | |
1606 | data[i++] = pdev_stats->pdev_tx_timeout; | |
1607 | data[i++] = pdev_stats->txop_ovf; | |
1608 | data[i++] = pdev_stats->pdev_resets; | |
1609 | data[i++] = pdev_stats->mid_ppdu_route_change; | |
1610 | data[i++] = pdev_stats->status_rcvd; | |
1611 | data[i++] = pdev_stats->r0_frags; | |
1612 | data[i++] = pdev_stats->r1_frags; | |
1613 | data[i++] = pdev_stats->r2_frags; | |
1614 | data[i++] = pdev_stats->r3_frags; | |
1615 | data[i++] = pdev_stats->htt_msdus; | |
1616 | data[i++] = pdev_stats->htt_mpdus; | |
1617 | data[i++] = pdev_stats->loc_msdus; | |
1618 | data[i++] = pdev_stats->loc_mpdus; | |
1619 | data[i++] = pdev_stats->phy_errs; | |
1620 | data[i++] = pdev_stats->phy_err_drop; | |
1621 | data[i++] = pdev_stats->mpdu_errs; | |
1622 | data[i++] = ar->stats.fw_crash_counter; | |
1623 | data[i++] = ar->stats.fw_warm_reset_counter; | |
1624 | data[i++] = ar->stats.fw_cold_reset_counter; | |
1625 | ||
1626 | spin_unlock_bh(&ar->data_lock); | |
1627 | ||
1628 | mutex_unlock(&ar->conf_mutex); | |
1629 | ||
1630 | WARN_ON(i != ATH10K_SSTATS_LEN); | |
1631 | } | |
1632 | ||
f118a3e5 KV |
1633 | static const struct file_operations fops_fw_dbglog = { |
1634 | .read = ath10k_read_fw_dbglog, | |
1635 | .write = ath10k_write_fw_dbglog, | |
1636 | .open = simple_open, | |
1637 | .owner = THIS_MODULE, | |
1638 | .llseek = default_llseek, | |
1639 | }; | |
1640 | ||
7869b4fa KV |
1641 | static int ath10k_debug_cal_data_open(struct inode *inode, struct file *file) |
1642 | { | |
1643 | struct ath10k *ar = inode->i_private; | |
1644 | void *buf; | |
1645 | u32 hi_addr; | |
1646 | __le32 addr; | |
1647 | int ret; | |
1648 | ||
1649 | mutex_lock(&ar->conf_mutex); | |
1650 | ||
1651 | if (ar->state != ATH10K_STATE_ON && | |
1652 | ar->state != ATH10K_STATE_UTF) { | |
1653 | ret = -ENETDOWN; | |
1654 | goto err; | |
1655 | } | |
1656 | ||
1657 | buf = vmalloc(QCA988X_CAL_DATA_LEN); | |
1658 | if (!buf) { | |
1659 | ret = -ENOMEM; | |
1660 | goto err; | |
1661 | } | |
1662 | ||
1663 | hi_addr = host_interest_item_address(HI_ITEM(hi_board_data)); | |
1664 | ||
1665 | ret = ath10k_hif_diag_read(ar, hi_addr, &addr, sizeof(addr)); | |
1666 | if (ret) { | |
1667 | ath10k_warn(ar, "failed to read hi_board_data address: %d\n", ret); | |
1668 | goto err_vfree; | |
1669 | } | |
1670 | ||
1671 | ret = ath10k_hif_diag_read(ar, le32_to_cpu(addr), buf, | |
1672 | QCA988X_CAL_DATA_LEN); | |
1673 | if (ret) { | |
1674 | ath10k_warn(ar, "failed to read calibration data: %d\n", ret); | |
1675 | goto err_vfree; | |
1676 | } | |
1677 | ||
1678 | file->private_data = buf; | |
1679 | ||
1680 | mutex_unlock(&ar->conf_mutex); | |
1681 | ||
1682 | return 0; | |
1683 | ||
1684 | err_vfree: | |
1685 | vfree(buf); | |
1686 | ||
1687 | err: | |
1688 | mutex_unlock(&ar->conf_mutex); | |
1689 | ||
1690 | return ret; | |
1691 | } | |
1692 | ||
1693 | static ssize_t ath10k_debug_cal_data_read(struct file *file, | |
1694 | char __user *user_buf, | |
1695 | size_t count, loff_t *ppos) | |
1696 | { | |
1697 | void *buf = file->private_data; | |
1698 | ||
1699 | return simple_read_from_buffer(user_buf, count, ppos, | |
1700 | buf, QCA988X_CAL_DATA_LEN); | |
1701 | } | |
1702 | ||
1703 | static int ath10k_debug_cal_data_release(struct inode *inode, | |
1704 | struct file *file) | |
1705 | { | |
1706 | vfree(file->private_data); | |
1707 | ||
1708 | return 0; | |
1709 | } | |
1710 | ||
1711 | static const struct file_operations fops_cal_data = { | |
1712 | .open = ath10k_debug_cal_data_open, | |
1713 | .read = ath10k_debug_cal_data_read, | |
1714 | .release = ath10k_debug_cal_data_release, | |
1715 | .owner = THIS_MODULE, | |
1716 | .llseek = default_llseek, | |
1717 | }; | |
1718 | ||
a7bd3e99 PO |
1719 | static ssize_t ath10k_read_nf_cal_period(struct file *file, |
1720 | char __user *user_buf, | |
1721 | size_t count, loff_t *ppos) | |
1722 | { | |
1723 | struct ath10k *ar = file->private_data; | |
1724 | unsigned int len; | |
1725 | char buf[32]; | |
1726 | ||
1727 | len = scnprintf(buf, sizeof(buf), "%d\n", | |
1728 | ar->debug.nf_cal_period); | |
1729 | ||
1730 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1731 | } | |
1732 | ||
1733 | static ssize_t ath10k_write_nf_cal_period(struct file *file, | |
1734 | const char __user *user_buf, | |
1735 | size_t count, loff_t *ppos) | |
1736 | { | |
1737 | struct ath10k *ar = file->private_data; | |
1738 | unsigned long period; | |
1739 | int ret; | |
1740 | ||
1741 | ret = kstrtoul_from_user(user_buf, count, 0, &period); | |
1742 | if (ret) | |
1743 | return ret; | |
1744 | ||
1745 | if (period > WMI_PDEV_PARAM_CAL_PERIOD_MAX) | |
1746 | return -EINVAL; | |
1747 | ||
1748 | /* there's no way to switch back to the firmware default */ | |
1749 | if (period == 0) | |
1750 | return -EINVAL; | |
1751 | ||
1752 | mutex_lock(&ar->conf_mutex); | |
1753 | ||
1754 | ar->debug.nf_cal_period = period; | |
1755 | ||
1756 | if (ar->state != ATH10K_STATE_ON) { | |
1757 | /* firmware is not running, nothing else to do */ | |
1758 | ret = count; | |
1759 | goto exit; | |
1760 | } | |
1761 | ||
1762 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->cal_period, | |
1763 | ar->debug.nf_cal_period); | |
1764 | if (ret) { | |
1765 | ath10k_warn(ar, "cal period cfg failed from debugfs: %d\n", | |
1766 | ret); | |
1767 | goto exit; | |
1768 | } | |
1769 | ||
1770 | ret = count; | |
1771 | ||
1772 | exit: | |
1773 | mutex_unlock(&ar->conf_mutex); | |
1774 | ||
1775 | return ret; | |
1776 | } | |
1777 | ||
1778 | static const struct file_operations fops_nf_cal_period = { | |
1779 | .read = ath10k_read_nf_cal_period, | |
1780 | .write = ath10k_write_nf_cal_period, | |
1781 | .open = simple_open, | |
1782 | .owner = THIS_MODULE, | |
1783 | .llseek = default_llseek, | |
1784 | }; | |
1785 | ||
db66ea04 KV |
1786 | int ath10k_debug_start(struct ath10k *ar) |
1787 | { | |
a3d135e5 KV |
1788 | int ret; |
1789 | ||
60631c5c KV |
1790 | lockdep_assert_held(&ar->conf_mutex); |
1791 | ||
a3d135e5 KV |
1792 | ret = ath10k_debug_htt_stats_req(ar); |
1793 | if (ret) | |
1794 | /* continue normally anyway, this isn't serious */ | |
7aa7a72a MK |
1795 | ath10k_warn(ar, "failed to start htt stats workqueue: %d\n", |
1796 | ret); | |
a3d135e5 | 1797 | |
f118a3e5 | 1798 | if (ar->debug.fw_dbglog_mask) { |
467210a6 SJ |
1799 | ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask, |
1800 | ATH10K_DBGLOG_LEVEL_WARN); | |
f118a3e5 KV |
1801 | if (ret) |
1802 | /* not serious */ | |
7aa7a72a | 1803 | ath10k_warn(ar, "failed to enable dbglog during start: %d", |
f118a3e5 KV |
1804 | ret); |
1805 | } | |
1806 | ||
90174455 RM |
1807 | if (ar->debug.pktlog_filter) { |
1808 | ret = ath10k_wmi_pdev_pktlog_enable(ar, | |
1809 | ar->debug.pktlog_filter); | |
1810 | if (ret) | |
1811 | /* not serious */ | |
1812 | ath10k_warn(ar, | |
1813 | "failed to enable pktlog filter %x: %d\n", | |
1814 | ar->debug.pktlog_filter, ret); | |
1815 | } else { | |
1816 | ret = ath10k_wmi_pdev_pktlog_disable(ar); | |
1817 | if (ret) | |
1818 | /* not serious */ | |
1819 | ath10k_warn(ar, "failed to disable pktlog: %d\n", ret); | |
1820 | } | |
1821 | ||
a7bd3e99 PO |
1822 | if (ar->debug.nf_cal_period) { |
1823 | ret = ath10k_wmi_pdev_set_param(ar, | |
1824 | ar->wmi.pdev_param->cal_period, | |
1825 | ar->debug.nf_cal_period); | |
1826 | if (ret) | |
1827 | /* not serious */ | |
1828 | ath10k_warn(ar, "cal period cfg failed from debug start: %d\n", | |
1829 | ret); | |
1830 | } | |
1831 | ||
90174455 | 1832 | return ret; |
db66ea04 KV |
1833 | } |
1834 | ||
1835 | void ath10k_debug_stop(struct ath10k *ar) | |
1836 | { | |
60631c5c KV |
1837 | lockdep_assert_held(&ar->conf_mutex); |
1838 | ||
1839 | /* Must not use _sync to avoid deadlock, we do that in | |
1840 | * ath10k_debug_destroy(). The check for htt_stats_mask is to avoid | |
1841 | * warning from del_timer(). */ | |
1842 | if (ar->debug.htt_stats_mask != 0) | |
1843 | cancel_delayed_work(&ar->debug.htt_stats_dwork); | |
d385623a JD |
1844 | |
1845 | ar->debug.htt_max_amsdu = 0; | |
1846 | ar->debug.htt_max_ampdu = 0; | |
90174455 RM |
1847 | |
1848 | ath10k_wmi_pdev_pktlog_disable(ar); | |
db66ea04 KV |
1849 | } |
1850 | ||
9702c686 JD |
1851 | static ssize_t ath10k_write_simulate_radar(struct file *file, |
1852 | const char __user *user_buf, | |
1853 | size_t count, loff_t *ppos) | |
1854 | { | |
1855 | struct ath10k *ar = file->private_data; | |
1856 | ||
1857 | ieee80211_radar_detected(ar->hw); | |
1858 | ||
1859 | return count; | |
1860 | } | |
1861 | ||
1862 | static const struct file_operations fops_simulate_radar = { | |
1863 | .write = ath10k_write_simulate_radar, | |
1864 | .open = simple_open, | |
1865 | .owner = THIS_MODULE, | |
1866 | .llseek = default_llseek, | |
1867 | }; | |
1868 | ||
1869 | #define ATH10K_DFS_STAT(s, p) (\ | |
1870 | len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \ | |
1871 | ar->debug.dfs_stats.p)) | |
1872 | ||
1873 | #define ATH10K_DFS_POOL_STAT(s, p) (\ | |
1874 | len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \ | |
1875 | ar->debug.dfs_pool_stats.p)) | |
1876 | ||
1877 | static ssize_t ath10k_read_dfs_stats(struct file *file, char __user *user_buf, | |
1878 | size_t count, loff_t *ppos) | |
1879 | { | |
1880 | int retval = 0, len = 0; | |
1881 | const int size = 8000; | |
1882 | struct ath10k *ar = file->private_data; | |
1883 | char *buf; | |
1884 | ||
1885 | buf = kzalloc(size, GFP_KERNEL); | |
1886 | if (buf == NULL) | |
1887 | return -ENOMEM; | |
1888 | ||
1889 | if (!ar->dfs_detector) { | |
1890 | len += scnprintf(buf + len, size - len, "DFS not enabled\n"); | |
1891 | goto exit; | |
1892 | } | |
1893 | ||
1894 | ar->debug.dfs_pool_stats = | |
1895 | ar->dfs_detector->get_stats(ar->dfs_detector); | |
1896 | ||
1897 | len += scnprintf(buf + len, size - len, "Pulse detector statistics:\n"); | |
1898 | ||
1899 | ATH10K_DFS_STAT("reported phy errors", phy_errors); | |
1900 | ATH10K_DFS_STAT("pulse events reported", pulses_total); | |
1901 | ATH10K_DFS_STAT("DFS pulses detected", pulses_detected); | |
1902 | ATH10K_DFS_STAT("DFS pulses discarded", pulses_discarded); | |
1903 | ATH10K_DFS_STAT("Radars detected", radar_detected); | |
1904 | ||
1905 | len += scnprintf(buf + len, size - len, "Global Pool statistics:\n"); | |
1906 | ATH10K_DFS_POOL_STAT("Pool references", pool_reference); | |
1907 | ATH10K_DFS_POOL_STAT("Pulses allocated", pulse_allocated); | |
1908 | ATH10K_DFS_POOL_STAT("Pulses alloc error", pulse_alloc_error); | |
1909 | ATH10K_DFS_POOL_STAT("Pulses in use", pulse_used); | |
1910 | ATH10K_DFS_POOL_STAT("Seqs. allocated", pseq_allocated); | |
1911 | ATH10K_DFS_POOL_STAT("Seqs. alloc error", pseq_alloc_error); | |
1912 | ATH10K_DFS_POOL_STAT("Seqs. in use", pseq_used); | |
1913 | ||
1914 | exit: | |
1915 | if (len > size) | |
1916 | len = size; | |
1917 | ||
1918 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1919 | kfree(buf); | |
1920 | ||
1921 | return retval; | |
1922 | } | |
1923 | ||
1924 | static const struct file_operations fops_dfs_stats = { | |
1925 | .read = ath10k_read_dfs_stats, | |
1926 | .open = simple_open, | |
1927 | .owner = THIS_MODULE, | |
1928 | .llseek = default_llseek, | |
1929 | }; | |
1930 | ||
90174455 RM |
1931 | static ssize_t ath10k_write_pktlog_filter(struct file *file, |
1932 | const char __user *ubuf, | |
1933 | size_t count, loff_t *ppos) | |
1934 | { | |
1935 | struct ath10k *ar = file->private_data; | |
1936 | u32 filter; | |
1937 | int ret; | |
1938 | ||
1939 | if (kstrtouint_from_user(ubuf, count, 0, &filter)) | |
1940 | return -EINVAL; | |
1941 | ||
1942 | mutex_lock(&ar->conf_mutex); | |
1943 | ||
1944 | if (ar->state != ATH10K_STATE_ON) { | |
1945 | ar->debug.pktlog_filter = filter; | |
1946 | ret = count; | |
1947 | goto out; | |
1948 | } | |
1949 | ||
1950 | if (filter && (filter != ar->debug.pktlog_filter)) { | |
1951 | ret = ath10k_wmi_pdev_pktlog_enable(ar, filter); | |
1952 | if (ret) { | |
1953 | ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n", | |
1954 | ar->debug.pktlog_filter, ret); | |
1955 | goto out; | |
1956 | } | |
1957 | } else { | |
1958 | ret = ath10k_wmi_pdev_pktlog_disable(ar); | |
1959 | if (ret) { | |
1960 | ath10k_warn(ar, "failed to disable pktlog: %d\n", ret); | |
1961 | goto out; | |
1962 | } | |
1963 | } | |
1964 | ||
1965 | ar->debug.pktlog_filter = filter; | |
1966 | ret = count; | |
1967 | ||
1968 | out: | |
1969 | mutex_unlock(&ar->conf_mutex); | |
1970 | return ret; | |
1971 | } | |
1972 | ||
1973 | static ssize_t ath10k_read_pktlog_filter(struct file *file, char __user *ubuf, | |
1974 | size_t count, loff_t *ppos) | |
1975 | { | |
1976 | char buf[32]; | |
1977 | struct ath10k *ar = file->private_data; | |
1978 | int len = 0; | |
1979 | ||
1980 | mutex_lock(&ar->conf_mutex); | |
1981 | len = scnprintf(buf, sizeof(buf) - len, "%08x\n", | |
1982 | ar->debug.pktlog_filter); | |
1983 | mutex_unlock(&ar->conf_mutex); | |
1984 | ||
1985 | return simple_read_from_buffer(ubuf, count, ppos, buf, len); | |
1986 | } | |
1987 | ||
1988 | static const struct file_operations fops_pktlog_filter = { | |
1989 | .read = ath10k_read_pktlog_filter, | |
1990 | .write = ath10k_write_pktlog_filter, | |
1991 | .open = simple_open | |
1992 | }; | |
1993 | ||
63fb32df RM |
1994 | static ssize_t ath10k_write_quiet_period(struct file *file, |
1995 | const char __user *ubuf, | |
1996 | size_t count, loff_t *ppos) | |
1997 | { | |
1998 | struct ath10k *ar = file->private_data; | |
1999 | u32 period; | |
2000 | ||
2001 | if (kstrtouint_from_user(ubuf, count, 0, &period)) | |
2002 | return -EINVAL; | |
2003 | ||
2004 | if (period < ATH10K_QUIET_PERIOD_MIN) { | |
2005 | ath10k_warn(ar, "Quiet period %u can not be lesser than 25ms\n", | |
2006 | period); | |
2007 | return -EINVAL; | |
2008 | } | |
2009 | mutex_lock(&ar->conf_mutex); | |
2010 | ar->thermal.quiet_period = period; | |
8515b5c7 | 2011 | ath10k_thermal_set_throttling(ar); |
63fb32df RM |
2012 | mutex_unlock(&ar->conf_mutex); |
2013 | ||
2014 | return count; | |
2015 | } | |
2016 | ||
2017 | static ssize_t ath10k_read_quiet_period(struct file *file, char __user *ubuf, | |
2018 | size_t count, loff_t *ppos) | |
2019 | { | |
2020 | char buf[32]; | |
2021 | struct ath10k *ar = file->private_data; | |
2022 | int len = 0; | |
2023 | ||
2024 | mutex_lock(&ar->conf_mutex); | |
2025 | len = scnprintf(buf, sizeof(buf) - len, "%d\n", | |
2026 | ar->thermal.quiet_period); | |
2027 | mutex_unlock(&ar->conf_mutex); | |
2028 | ||
2029 | return simple_read_from_buffer(ubuf, count, ppos, buf, len); | |
2030 | } | |
2031 | ||
2032 | static const struct file_operations fops_quiet_period = { | |
2033 | .read = ath10k_read_quiet_period, | |
2034 | .write = ath10k_write_quiet_period, | |
2035 | .open = simple_open | |
2036 | }; | |
2037 | ||
5e3dd157 KV |
2038 | int ath10k_debug_create(struct ath10k *ar) |
2039 | { | |
384914b2 | 2040 | ar->debug.fw_crash_data = vzalloc(sizeof(*ar->debug.fw_crash_data)); |
e13cf7a3 MK |
2041 | if (!ar->debug.fw_crash_data) |
2042 | return -ENOMEM; | |
384914b2 | 2043 | |
5326849a | 2044 | INIT_LIST_HEAD(&ar->debug.fw_stats.pdevs); |
7b6b153a | 2045 | INIT_LIST_HEAD(&ar->debug.fw_stats.vdevs); |
5326849a MK |
2046 | INIT_LIST_HEAD(&ar->debug.fw_stats.peers); |
2047 | ||
e13cf7a3 MK |
2048 | return 0; |
2049 | } | |
2050 | ||
2051 | void ath10k_debug_destroy(struct ath10k *ar) | |
2052 | { | |
2053 | vfree(ar->debug.fw_crash_data); | |
2054 | ar->debug.fw_crash_data = NULL; | |
5326849a MK |
2055 | |
2056 | ath10k_debug_fw_stats_reset(ar); | |
e13cf7a3 MK |
2057 | } |
2058 | ||
2059 | int ath10k_debug_register(struct ath10k *ar) | |
2060 | { | |
5e3dd157 KV |
2061 | ar->debug.debugfs_phy = debugfs_create_dir("ath10k", |
2062 | ar->hw->wiphy->debugfsdir); | |
adb43b24 MK |
2063 | if (IS_ERR_OR_NULL(ar->debug.debugfs_phy)) { |
2064 | if (IS_ERR(ar->debug.debugfs_phy)) | |
2065 | return PTR_ERR(ar->debug.debugfs_phy); | |
d8bb26b9 KV |
2066 | |
2067 | return -ENOMEM; | |
adb43b24 | 2068 | } |
5e3dd157 | 2069 | |
a3d135e5 KV |
2070 | INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork, |
2071 | ath10k_debug_htt_stats_dwork); | |
2072 | ||
60ef401a | 2073 | init_completion(&ar->debug.fw_stats_complete); |
5e3dd157 KV |
2074 | |
2075 | debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar, | |
2076 | &fops_fw_stats); | |
2077 | ||
f51dbe73 BG |
2078 | debugfs_create_file("fw_reset_stats", S_IRUSR, ar->debug.debugfs_phy, |
2079 | ar, &fops_fw_reset_stats); | |
2080 | ||
5e3dd157 KV |
2081 | debugfs_create_file("wmi_services", S_IRUSR, ar->debug.debugfs_phy, ar, |
2082 | &fops_wmi_services); | |
2083 | ||
278c4a85 MK |
2084 | debugfs_create_file("simulate_fw_crash", S_IRUSR, ar->debug.debugfs_phy, |
2085 | ar, &fops_simulate_fw_crash); | |
2086 | ||
384914b2 BG |
2087 | debugfs_create_file("fw_crash_dump", S_IRUSR, ar->debug.debugfs_phy, |
2088 | ar, &fops_fw_crash_dump); | |
2089 | ||
077a3804 YL |
2090 | debugfs_create_file("reg_addr", S_IRUSR | S_IWUSR, |
2091 | ar->debug.debugfs_phy, ar, &fops_reg_addr); | |
2092 | ||
2093 | debugfs_create_file("reg_value", S_IRUSR | S_IWUSR, | |
2094 | ar->debug.debugfs_phy, ar, &fops_reg_value); | |
2095 | ||
9f65ad25 YL |
2096 | debugfs_create_file("mem_value", S_IRUSR | S_IWUSR, |
2097 | ar->debug.debugfs_phy, ar, &fops_mem_value); | |
2098 | ||
763b8cd3 KV |
2099 | debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy, |
2100 | ar, &fops_chip_id); | |
2101 | ||
a3d135e5 KV |
2102 | debugfs_create_file("htt_stats_mask", S_IRUSR, ar->debug.debugfs_phy, |
2103 | ar, &fops_htt_stats_mask); | |
2104 | ||
d385623a JD |
2105 | debugfs_create_file("htt_max_amsdu_ampdu", S_IRUSR | S_IWUSR, |
2106 | ar->debug.debugfs_phy, ar, | |
2107 | &fops_htt_max_amsdu_ampdu); | |
2108 | ||
f118a3e5 KV |
2109 | debugfs_create_file("fw_dbglog", S_IRUSR, ar->debug.debugfs_phy, |
2110 | ar, &fops_fw_dbglog); | |
2111 | ||
7869b4fa KV |
2112 | debugfs_create_file("cal_data", S_IRUSR, ar->debug.debugfs_phy, |
2113 | ar, &fops_cal_data); | |
2114 | ||
a7bd3e99 PO |
2115 | debugfs_create_file("nf_cal_period", S_IRUSR | S_IWUSR, |
2116 | ar->debug.debugfs_phy, ar, &fops_nf_cal_period); | |
2117 | ||
9702c686 JD |
2118 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) { |
2119 | debugfs_create_file("dfs_simulate_radar", S_IWUSR, | |
2120 | ar->debug.debugfs_phy, ar, | |
2121 | &fops_simulate_radar); | |
2122 | ||
7d9b40b4 MP |
2123 | debugfs_create_bool("dfs_block_radar_events", S_IWUSR, |
2124 | ar->debug.debugfs_phy, | |
2125 | &ar->dfs_block_radar_events); | |
2126 | ||
9702c686 JD |
2127 | debugfs_create_file("dfs_stats", S_IRUSR, |
2128 | ar->debug.debugfs_phy, ar, | |
2129 | &fops_dfs_stats); | |
2130 | } | |
2131 | ||
90174455 RM |
2132 | debugfs_create_file("pktlog_filter", S_IRUGO | S_IWUSR, |
2133 | ar->debug.debugfs_phy, ar, &fops_pktlog_filter); | |
2134 | ||
63fb32df RM |
2135 | debugfs_create_file("quiet_period", S_IRUGO | S_IWUSR, |
2136 | ar->debug.debugfs_phy, ar, &fops_quiet_period); | |
2137 | ||
5e3dd157 KV |
2138 | return 0; |
2139 | } | |
db66ea04 | 2140 | |
e13cf7a3 | 2141 | void ath10k_debug_unregister(struct ath10k *ar) |
60631c5c KV |
2142 | { |
2143 | cancel_delayed_work_sync(&ar->debug.htt_stats_dwork); | |
2144 | } | |
2145 | ||
5e3dd157 KV |
2146 | #endif /* CONFIG_ATH10K_DEBUGFS */ |
2147 | ||
2148 | #ifdef CONFIG_ATH10K_DEBUG | |
7aa7a72a MK |
2149 | void ath10k_dbg(struct ath10k *ar, enum ath10k_debug_mask mask, |
2150 | const char *fmt, ...) | |
5e3dd157 KV |
2151 | { |
2152 | struct va_format vaf; | |
2153 | va_list args; | |
2154 | ||
2155 | va_start(args, fmt); | |
2156 | ||
2157 | vaf.fmt = fmt; | |
2158 | vaf.va = &args; | |
2159 | ||
2160 | if (ath10k_debug_mask & mask) | |
7aa7a72a | 2161 | dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf); |
5e3dd157 | 2162 | |
d35a6c18 | 2163 | trace_ath10k_log_dbg(ar, mask, &vaf); |
5e3dd157 KV |
2164 | |
2165 | va_end(args); | |
2166 | } | |
2167 | EXPORT_SYMBOL(ath10k_dbg); | |
2168 | ||
7aa7a72a MK |
2169 | void ath10k_dbg_dump(struct ath10k *ar, |
2170 | enum ath10k_debug_mask mask, | |
5e3dd157 KV |
2171 | const char *msg, const char *prefix, |
2172 | const void *buf, size_t len) | |
2173 | { | |
45724a8a MK |
2174 | char linebuf[256]; |
2175 | unsigned int linebuflen; | |
2176 | const void *ptr; | |
2177 | ||
5e3dd157 KV |
2178 | if (ath10k_debug_mask & mask) { |
2179 | if (msg) | |
7aa7a72a | 2180 | ath10k_dbg(ar, mask, "%s\n", msg); |
5e3dd157 | 2181 | |
45724a8a MK |
2182 | for (ptr = buf; (ptr - buf) < len; ptr += 16) { |
2183 | linebuflen = 0; | |
2184 | linebuflen += scnprintf(linebuf + linebuflen, | |
2185 | sizeof(linebuf) - linebuflen, | |
2186 | "%s%08x: ", | |
2187 | (prefix ? prefix : ""), | |
2188 | (unsigned int)(ptr - buf)); | |
2189 | hex_dump_to_buffer(ptr, len - (ptr - buf), 16, 1, | |
2190 | linebuf + linebuflen, | |
2191 | sizeof(linebuf) - linebuflen, true); | |
2192 | dev_printk(KERN_DEBUG, ar->dev, "%s\n", linebuf); | |
2193 | } | |
5e3dd157 KV |
2194 | } |
2195 | ||
2196 | /* tracing code doesn't like null strings :/ */ | |
d35a6c18 | 2197 | trace_ath10k_log_dbg_dump(ar, msg ? msg : "", prefix ? prefix : "", |
5e3dd157 KV |
2198 | buf, len); |
2199 | } | |
2200 | EXPORT_SYMBOL(ath10k_dbg_dump); | |
2201 | ||
2202 | #endif /* CONFIG_ATH10K_DEBUG */ |