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Commit | Line | Data |
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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" |
5e3dd157 | 26 | |
a3d135e5 KV |
27 | /* ms */ |
28 | #define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000 | |
29 | ||
384914b2 BG |
30 | #define ATH10K_FW_CRASH_DUMP_VERSION 1 |
31 | ||
32 | /** | |
33 | * enum ath10k_fw_crash_dump_type - types of data in the dump file | |
34 | * @ATH10K_FW_CRASH_DUMP_REGDUMP: Register crash dump in binary format | |
35 | */ | |
36 | enum ath10k_fw_crash_dump_type { | |
37 | ATH10K_FW_CRASH_DUMP_REGISTERS = 0, | |
38 | ||
39 | ATH10K_FW_CRASH_DUMP_MAX, | |
40 | }; | |
41 | ||
42 | struct ath10k_tlv_dump_data { | |
43 | /* see ath10k_fw_crash_dump_type above */ | |
44 | __le32 type; | |
45 | ||
46 | /* in bytes */ | |
47 | __le32 tlv_len; | |
48 | ||
49 | /* pad to 32-bit boundaries as needed */ | |
50 | u8 tlv_data[]; | |
51 | } __packed; | |
52 | ||
53 | struct ath10k_dump_file_data { | |
54 | /* dump file information */ | |
55 | ||
56 | /* "ATH10K-FW-DUMP" */ | |
57 | char df_magic[16]; | |
58 | ||
59 | __le32 len; | |
60 | ||
61 | /* file dump version */ | |
62 | __le32 version; | |
63 | ||
64 | /* some info we can get from ath10k struct that might help */ | |
65 | ||
66 | u8 uuid[16]; | |
67 | ||
68 | __le32 chip_id; | |
69 | ||
70 | /* 0 for now, in place for later hardware */ | |
71 | __le32 bus_type; | |
72 | ||
73 | __le32 target_version; | |
74 | __le32 fw_version_major; | |
75 | __le32 fw_version_minor; | |
76 | __le32 fw_version_release; | |
77 | __le32 fw_version_build; | |
78 | __le32 phy_capability; | |
79 | __le32 hw_min_tx_power; | |
80 | __le32 hw_max_tx_power; | |
81 | __le32 ht_cap_info; | |
82 | __le32 vht_cap_info; | |
83 | __le32 num_rf_chains; | |
84 | ||
85 | /* firmware version string */ | |
86 | char fw_ver[ETHTOOL_FWVERS_LEN]; | |
87 | ||
88 | /* Kernel related information */ | |
89 | ||
90 | /* time-of-day stamp */ | |
91 | __le64 tv_sec; | |
92 | ||
93 | /* time-of-day stamp, nano-seconds */ | |
94 | __le64 tv_nsec; | |
95 | ||
96 | /* LINUX_VERSION_CODE */ | |
97 | __le32 kernel_ver_code; | |
98 | ||
99 | /* VERMAGIC_STRING */ | |
100 | char kernel_ver[64]; | |
101 | ||
102 | /* room for growth w/out changing binary format */ | |
103 | u8 unused[128]; | |
104 | ||
105 | /* struct ath10k_tlv_dump_data + more */ | |
106 | u8 data[0]; | |
107 | } __packed; | |
108 | ||
babcb3ed | 109 | void ath10k_info(struct ath10k *ar, const char *fmt, ...) |
5e3dd157 KV |
110 | { |
111 | struct va_format vaf = { | |
112 | .fmt = fmt, | |
113 | }; | |
114 | va_list args; | |
5e3dd157 KV |
115 | |
116 | va_start(args, fmt); | |
117 | vaf.va = &args; | |
babcb3ed | 118 | dev_info(ar->dev, "%pV", &vaf); |
d35a6c18 | 119 | trace_ath10k_log_info(ar, &vaf); |
5e3dd157 | 120 | va_end(args); |
5e3dd157 KV |
121 | } |
122 | EXPORT_SYMBOL(ath10k_info); | |
123 | ||
8a0c797e KV |
124 | void ath10k_print_driver_info(struct ath10k *ar) |
125 | { | |
a58227ef | 126 | ath10k_info(ar, "%s (0x%08x, 0x%08x) fw %s api %d htt %d.%d wmi %d.%d.%d.%d cal %s\n", |
8a0c797e KV |
127 | ar->hw_params.name, |
128 | ar->target_version, | |
129 | ar->chip_id, | |
130 | ar->hw->wiphy->fw_version, | |
131 | ar->fw_api, | |
132 | ar->htt.target_version_major, | |
34b28b6e MK |
133 | ar->htt.target_version_minor, |
134 | ar->fw_version_major, | |
135 | ar->fw_version_minor, | |
136 | ar->fw_version_release, | |
a58227ef KV |
137 | ar->fw_version_build, |
138 | ath10k_cal_mode_str(ar->cal_mode)); | |
43d2a30f | 139 | ath10k_info(ar, "debug %d debugfs %d tracing %d dfs %d testmode %d\n", |
8a0c797e KV |
140 | config_enabled(CONFIG_ATH10K_DEBUG), |
141 | config_enabled(CONFIG_ATH10K_DEBUGFS), | |
142 | config_enabled(CONFIG_ATH10K_TRACING), | |
43d2a30f KV |
143 | config_enabled(CONFIG_ATH10K_DFS_CERTIFIED), |
144 | config_enabled(CONFIG_NL80211_TESTMODE)); | |
8a0c797e KV |
145 | } |
146 | EXPORT_SYMBOL(ath10k_print_driver_info); | |
147 | ||
babcb3ed | 148 | void ath10k_err(struct ath10k *ar, const char *fmt, ...) |
5e3dd157 KV |
149 | { |
150 | struct va_format vaf = { | |
151 | .fmt = fmt, | |
152 | }; | |
153 | va_list args; | |
5e3dd157 KV |
154 | |
155 | va_start(args, fmt); | |
156 | vaf.va = &args; | |
babcb3ed | 157 | dev_err(ar->dev, "%pV", &vaf); |
d35a6c18 | 158 | trace_ath10k_log_err(ar, &vaf); |
5e3dd157 | 159 | va_end(args); |
5e3dd157 KV |
160 | } |
161 | EXPORT_SYMBOL(ath10k_err); | |
162 | ||
babcb3ed | 163 | void ath10k_warn(struct ath10k *ar, const char *fmt, ...) |
5e3dd157 KV |
164 | { |
165 | struct va_format vaf = { | |
166 | .fmt = fmt, | |
167 | }; | |
168 | va_list args; | |
5e3dd157 KV |
169 | |
170 | va_start(args, fmt); | |
171 | vaf.va = &args; | |
7aa7a72a | 172 | dev_warn_ratelimited(ar->dev, "%pV", &vaf); |
d35a6c18 | 173 | trace_ath10k_log_warn(ar, &vaf); |
5e3dd157 KV |
174 | |
175 | va_end(args); | |
5e3dd157 KV |
176 | } |
177 | EXPORT_SYMBOL(ath10k_warn); | |
178 | ||
179 | #ifdef CONFIG_ATH10K_DEBUGFS | |
180 | ||
181 | void ath10k_debug_read_service_map(struct ath10k *ar, | |
5c01aa3d | 182 | const void *service_map, |
5e3dd157 KV |
183 | size_t map_size) |
184 | { | |
185 | memcpy(ar->debug.wmi_service_bitmap, service_map, map_size); | |
186 | } | |
187 | ||
188 | static ssize_t ath10k_read_wmi_services(struct file *file, | |
189 | char __user *user_buf, | |
190 | size_t count, loff_t *ppos) | |
191 | { | |
192 | struct ath10k *ar = file->private_data; | |
193 | char *buf; | |
cff990ce MK |
194 | unsigned int len = 0, buf_len = 4096; |
195 | const char *name; | |
5e3dd157 | 196 | ssize_t ret_cnt; |
cff990ce | 197 | bool enabled; |
5e3dd157 KV |
198 | int i; |
199 | ||
200 | buf = kzalloc(buf_len, GFP_KERNEL); | |
201 | if (!buf) | |
202 | return -ENOMEM; | |
203 | ||
204 | mutex_lock(&ar->conf_mutex); | |
205 | ||
206 | if (len > buf_len) | |
207 | len = buf_len; | |
208 | ||
c4f8c836 | 209 | for (i = 0; i < WMI_SERVICE_MAX; i++) { |
cff990ce MK |
210 | enabled = test_bit(i, ar->debug.wmi_service_bitmap); |
211 | name = wmi_service_name(i); | |
212 | ||
213 | if (!name) { | |
214 | if (enabled) | |
215 | len += scnprintf(buf + len, buf_len - len, | |
216 | "%-40s %s (bit %d)\n", | |
217 | "unknown", "enabled", i); | |
218 | ||
219 | continue; | |
220 | } | |
5e3dd157 KV |
221 | |
222 | len += scnprintf(buf + len, buf_len - len, | |
cff990ce MK |
223 | "%-40s %s\n", |
224 | name, enabled ? "enabled" : "-"); | |
5e3dd157 KV |
225 | } |
226 | ||
227 | ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
228 | ||
229 | mutex_unlock(&ar->conf_mutex); | |
230 | ||
231 | kfree(buf); | |
232 | return ret_cnt; | |
233 | } | |
234 | ||
235 | static const struct file_operations fops_wmi_services = { | |
236 | .read = ath10k_read_wmi_services, | |
237 | .open = simple_open, | |
238 | .owner = THIS_MODULE, | |
239 | .llseek = default_llseek, | |
240 | }; | |
241 | ||
5326849a MK |
242 | static void ath10k_debug_fw_stats_pdevs_free(struct list_head *head) |
243 | { | |
244 | struct ath10k_fw_stats_pdev *i, *tmp; | |
245 | ||
246 | list_for_each_entry_safe(i, tmp, head, list) { | |
247 | list_del(&i->list); | |
248 | kfree(i); | |
249 | } | |
250 | } | |
251 | ||
252 | static void ath10k_debug_fw_stats_peers_free(struct list_head *head) | |
253 | { | |
254 | struct ath10k_fw_stats_peer *i, *tmp; | |
255 | ||
256 | list_for_each_entry_safe(i, tmp, head, list) { | |
257 | list_del(&i->list); | |
258 | kfree(i); | |
259 | } | |
260 | } | |
261 | ||
262 | static void ath10k_debug_fw_stats_reset(struct ath10k *ar) | |
263 | { | |
264 | spin_lock_bh(&ar->data_lock); | |
265 | ar->debug.fw_stats_done = false; | |
266 | ath10k_debug_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs); | |
267 | ath10k_debug_fw_stats_peers_free(&ar->debug.fw_stats.peers); | |
268 | spin_unlock_bh(&ar->data_lock); | |
269 | } | |
270 | ||
271 | static size_t ath10k_debug_fw_stats_num_peers(struct list_head *head) | |
272 | { | |
273 | struct ath10k_fw_stats_peer *i; | |
274 | size_t num = 0; | |
275 | ||
276 | list_for_each_entry(i, head, list) | |
277 | ++num; | |
278 | ||
279 | return num; | |
280 | } | |
281 | ||
60ef401a | 282 | void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb) |
5e3dd157 | 283 | { |
5326849a MK |
284 | struct ath10k_fw_stats stats = {}; |
285 | bool is_start, is_started, is_end; | |
286 | size_t num_peers; | |
d15fb520 | 287 | int ret; |
5e3dd157 | 288 | |
5326849a MK |
289 | INIT_LIST_HEAD(&stats.pdevs); |
290 | INIT_LIST_HEAD(&stats.peers); | |
5e3dd157 | 291 | |
5326849a MK |
292 | spin_lock_bh(&ar->data_lock); |
293 | ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats); | |
d15fb520 MK |
294 | if (ret) { |
295 | ath10k_warn(ar, "failed to pull fw stats: %d\n", ret); | |
296 | goto unlock; | |
5e3dd157 KV |
297 | } |
298 | ||
5326849a MK |
299 | /* Stat data may exceed htc-wmi buffer limit. In such case firmware |
300 | * splits the stats data and delivers it in a ping-pong fashion of | |
301 | * request cmd-update event. | |
302 | * | |
303 | * However there is no explicit end-of-data. Instead start-of-data is | |
304 | * used as an implicit one. This works as follows: | |
305 | * a) discard stat update events until one with pdev stats is | |
306 | * delivered - this skips session started at end of (b) | |
307 | * b) consume stat update events until another one with pdev stats is | |
308 | * delivered which is treated as end-of-data and is itself discarded | |
309 | */ | |
310 | ||
311 | if (ar->debug.fw_stats_done) { | |
312 | ath10k_warn(ar, "received unsolicited stats update event\n"); | |
313 | goto free; | |
314 | } | |
315 | ||
316 | num_peers = ath10k_debug_fw_stats_num_peers(&ar->debug.fw_stats.peers); | |
317 | is_start = (list_empty(&ar->debug.fw_stats.pdevs) && | |
318 | !list_empty(&stats.pdevs)); | |
319 | is_end = (!list_empty(&ar->debug.fw_stats.pdevs) && | |
320 | !list_empty(&stats.pdevs)); | |
321 | ||
322 | if (is_start) | |
323 | list_splice_tail_init(&stats.pdevs, &ar->debug.fw_stats.pdevs); | |
324 | ||
325 | if (is_end) | |
326 | ar->debug.fw_stats_done = true; | |
327 | ||
328 | is_started = !list_empty(&ar->debug.fw_stats.pdevs); | |
329 | ||
330 | if (is_started && !is_end) { | |
331 | if (num_peers >= ATH10K_MAX_NUM_PEER_IDS) { | |
332 | /* Although this is unlikely impose a sane limit to | |
333 | * prevent firmware from DoS-ing the host. | |
334 | */ | |
335 | ath10k_warn(ar, "dropping fw peer stats\n"); | |
336 | goto free; | |
337 | } | |
338 | ||
339 | list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers); | |
340 | } | |
341 | ||
60ef401a | 342 | complete(&ar->debug.fw_stats_complete); |
5e3dd157 | 343 | |
5326849a MK |
344 | free: |
345 | /* In some cases lists have been spliced and cleared. Free up | |
346 | * resources if that is not the case. | |
347 | */ | |
348 | ath10k_debug_fw_stats_pdevs_free(&stats.pdevs); | |
349 | ath10k_debug_fw_stats_peers_free(&stats.peers); | |
350 | ||
d15fb520 | 351 | unlock: |
87571bf0 | 352 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
353 | } |
354 | ||
5326849a | 355 | static int ath10k_debug_fw_stats_request(struct ath10k *ar) |
5e3dd157 | 356 | { |
5326849a | 357 | unsigned long timeout; |
5e3dd157 KV |
358 | int ret; |
359 | ||
fb2e9c0c | 360 | lockdep_assert_held(&ar->conf_mutex); |
5e3dd157 | 361 | |
5326849a MK |
362 | timeout = jiffies + msecs_to_jiffies(1*HZ); |
363 | ||
364 | ath10k_debug_fw_stats_reset(ar); | |
365 | ||
366 | for (;;) { | |
367 | if (time_after(jiffies, timeout)) | |
368 | return -ETIMEDOUT; | |
369 | ||
370 | reinit_completion(&ar->debug.fw_stats_complete); | |
371 | ||
372 | ret = ath10k_wmi_request_stats(ar, WMI_REQUEST_PEER_STAT); | |
373 | if (ret) { | |
374 | ath10k_warn(ar, "could not request stats (%d)\n", ret); | |
375 | return ret; | |
376 | } | |
5e3dd157 | 377 | |
5326849a MK |
378 | ret = wait_for_completion_timeout(&ar->debug.fw_stats_complete, |
379 | 1*HZ); | |
380 | if (ret <= 0) | |
381 | return -ETIMEDOUT; | |
382 | ||
383 | spin_lock_bh(&ar->data_lock); | |
384 | if (ar->debug.fw_stats_done) { | |
385 | spin_unlock_bh(&ar->data_lock); | |
386 | break; | |
387 | } | |
388 | spin_unlock_bh(&ar->data_lock); | |
389 | } | |
fb2e9c0c MK |
390 | |
391 | return 0; | |
392 | } | |
393 | ||
394 | /* FIXME: How to calculate the buffer size sanely? */ | |
395 | #define ATH10K_FW_STATS_BUF_SIZE (1024*1024) | |
396 | ||
397 | static void ath10k_fw_stats_fill(struct ath10k *ar, | |
398 | struct ath10k_fw_stats *fw_stats, | |
399 | char *buf) | |
400 | { | |
401 | unsigned int len = 0; | |
402 | unsigned int buf_len = ATH10K_FW_STATS_BUF_SIZE; | |
5326849a MK |
403 | const struct ath10k_fw_stats_pdev *pdev; |
404 | const struct ath10k_fw_stats_peer *peer; | |
405 | size_t num_peers; | |
5e3dd157 | 406 | |
87571bf0 | 407 | spin_lock_bh(&ar->data_lock); |
5326849a MK |
408 | |
409 | pdev = list_first_entry_or_null(&fw_stats->pdevs, | |
410 | struct ath10k_fw_stats_pdev, list); | |
411 | if (!pdev) { | |
412 | ath10k_warn(ar, "failed to get pdev stats\n"); | |
413 | goto unlock; | |
414 | } | |
415 | ||
416 | num_peers = ath10k_debug_fw_stats_num_peers(&fw_stats->peers); | |
417 | ||
5e3dd157 KV |
418 | len += scnprintf(buf + len, buf_len - len, "\n"); |
419 | len += scnprintf(buf + len, buf_len - len, "%30s\n", | |
420 | "ath10k PDEV stats"); | |
421 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", | |
422 | "================="); | |
423 | ||
424 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
5326849a | 425 | "Channel noise floor", pdev->ch_noise_floor); |
5e3dd157 | 426 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 427 | "Channel TX power", pdev->chan_tx_power); |
5e3dd157 | 428 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 429 | "TX frame count", pdev->tx_frame_count); |
5e3dd157 | 430 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 431 | "RX frame count", pdev->rx_frame_count); |
5e3dd157 | 432 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 433 | "RX clear count", pdev->rx_clear_count); |
5e3dd157 | 434 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 435 | "Cycle count", pdev->cycle_count); |
5e3dd157 | 436 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 437 | "PHY error count", pdev->phy_err_count); |
52e346d1 | 438 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 439 | "RTS bad count", pdev->rts_bad); |
52e346d1 | 440 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 441 | "RTS good count", pdev->rts_good); |
52e346d1 | 442 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 443 | "FCS bad count", pdev->fcs_bad); |
52e346d1 | 444 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 445 | "No beacon count", pdev->no_beacons); |
52e346d1 | 446 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
5326849a | 447 | "MIB int count", pdev->mib_int_count); |
5e3dd157 KV |
448 | |
449 | len += scnprintf(buf + len, buf_len - len, "\n"); | |
450 | len += scnprintf(buf + len, buf_len - len, "%30s\n", | |
451 | "ath10k PDEV TX stats"); | |
452 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", | |
453 | "================="); | |
454 | ||
455 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
5326849a | 456 | "HTT cookies queued", pdev->comp_queued); |
5e3dd157 | 457 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 458 | "HTT cookies disp.", pdev->comp_delivered); |
5e3dd157 | 459 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 460 | "MSDU queued", pdev->msdu_enqued); |
5e3dd157 | 461 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 462 | "MPDU queued", pdev->mpdu_enqued); |
5e3dd157 | 463 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 464 | "MSDUs dropped", pdev->wmm_drop); |
5e3dd157 | 465 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 466 | "Local enqued", pdev->local_enqued); |
5e3dd157 | 467 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 468 | "Local freed", pdev->local_freed); |
5e3dd157 | 469 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 470 | "HW queued", pdev->hw_queued); |
5e3dd157 | 471 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 472 | "PPDUs reaped", pdev->hw_reaped); |
5e3dd157 | 473 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 474 | "Num underruns", pdev->underrun); |
5e3dd157 | 475 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 476 | "PPDUs cleaned", pdev->tx_abort); |
5e3dd157 | 477 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 478 | "MPDUs requed", pdev->mpdus_requed); |
5e3dd157 | 479 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 480 | "Excessive retries", pdev->tx_ko); |
5e3dd157 | 481 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 482 | "HW rate", pdev->data_rc); |
5e3dd157 | 483 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 484 | "Sched self tiggers", pdev->self_triggers); |
5e3dd157 KV |
485 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
486 | "Dropped due to SW retries", | |
5326849a | 487 | pdev->sw_retry_failure); |
5e3dd157 KV |
488 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
489 | "Illegal rate phy errors", | |
5326849a | 490 | pdev->illgl_rate_phy_err); |
5e3dd157 | 491 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 492 | "Pdev continous xretry", pdev->pdev_cont_xretry); |
5e3dd157 | 493 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 494 | "TX timeout", pdev->pdev_tx_timeout); |
5e3dd157 | 495 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 496 | "PDEV resets", pdev->pdev_resets); |
5e3dd157 | 497 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 498 | "PHY underrun", pdev->phy_underrun); |
5e3dd157 | 499 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 500 | "MPDU is more than txop limit", pdev->txop_ovf); |
5e3dd157 KV |
501 | |
502 | len += scnprintf(buf + len, buf_len - len, "\n"); | |
503 | len += scnprintf(buf + len, buf_len - len, "%30s\n", | |
504 | "ath10k PDEV RX stats"); | |
505 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", | |
506 | "================="); | |
507 | ||
508 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
509 | "Mid PPDU route change", | |
5326849a | 510 | pdev->mid_ppdu_route_change); |
5e3dd157 | 511 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 512 | "Tot. number of statuses", pdev->status_rcvd); |
5e3dd157 | 513 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 514 | "Extra frags on rings 0", pdev->r0_frags); |
5e3dd157 | 515 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 516 | "Extra frags on rings 1", pdev->r1_frags); |
5e3dd157 | 517 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 518 | "Extra frags on rings 2", pdev->r2_frags); |
5e3dd157 | 519 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 520 | "Extra frags on rings 3", pdev->r3_frags); |
5e3dd157 | 521 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 522 | "MSDUs delivered to HTT", pdev->htt_msdus); |
5e3dd157 | 523 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 524 | "MPDUs delivered to HTT", pdev->htt_mpdus); |
5e3dd157 | 525 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 526 | "MSDUs delivered to stack", pdev->loc_msdus); |
5e3dd157 | 527 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 528 | "MPDUs delivered to stack", pdev->loc_mpdus); |
5e3dd157 | 529 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 530 | "Oversized AMSUs", pdev->oversize_amsdu); |
5e3dd157 | 531 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 532 | "PHY errors", pdev->phy_errs); |
5e3dd157 | 533 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 534 | "PHY errors drops", pdev->phy_err_drop); |
5e3dd157 | 535 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", |
5326849a | 536 | "MPDU errors (FCS, MIC, ENC)", pdev->mpdu_errs); |
5e3dd157 KV |
537 | |
538 | len += scnprintf(buf + len, buf_len - len, "\n"); | |
5326849a MK |
539 | len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n", |
540 | "ath10k PEER stats", num_peers); | |
5e3dd157 KV |
541 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", |
542 | "================="); | |
543 | ||
5326849a | 544 | list_for_each_entry(peer, &fw_stats->peers, list) { |
5e3dd157 | 545 | len += scnprintf(buf + len, buf_len - len, "%30s %pM\n", |
5326849a | 546 | "Peer MAC address", peer->peer_macaddr); |
5e3dd157 | 547 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", |
5326849a | 548 | "Peer RSSI", peer->peer_rssi); |
5e3dd157 | 549 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", |
5326849a | 550 | "Peer TX rate", peer->peer_tx_rate); |
23c3aae4 | 551 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", |
5326849a | 552 | "Peer RX rate", peer->peer_rx_rate); |
5e3dd157 KV |
553 | len += scnprintf(buf + len, buf_len - len, "\n"); |
554 | } | |
5326849a MK |
555 | |
556 | unlock: | |
87571bf0 | 557 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 | 558 | |
fb2e9c0c MK |
559 | if (len >= buf_len) |
560 | buf[len - 1] = 0; | |
561 | else | |
562 | buf[len] = 0; | |
563 | } | |
5e3dd157 | 564 | |
fb2e9c0c MK |
565 | static int ath10k_fw_stats_open(struct inode *inode, struct file *file) |
566 | { | |
567 | struct ath10k *ar = inode->i_private; | |
568 | void *buf = NULL; | |
569 | int ret; | |
570 | ||
571 | mutex_lock(&ar->conf_mutex); | |
572 | ||
573 | if (ar->state != ATH10K_STATE_ON) { | |
574 | ret = -ENETDOWN; | |
575 | goto err_unlock; | |
576 | } | |
577 | ||
578 | buf = vmalloc(ATH10K_FW_STATS_BUF_SIZE); | |
579 | if (!buf) { | |
580 | ret = -ENOMEM; | |
581 | goto err_unlock; | |
582 | } | |
583 | ||
5326849a | 584 | ret = ath10k_debug_fw_stats_request(ar); |
fb2e9c0c MK |
585 | if (ret) { |
586 | ath10k_warn(ar, "failed to request fw stats: %d\n", ret); | |
587 | goto err_free; | |
588 | } | |
589 | ||
590 | ath10k_fw_stats_fill(ar, &ar->debug.fw_stats, buf); | |
591 | file->private_data = buf; | |
5e3dd157 KV |
592 | |
593 | mutex_unlock(&ar->conf_mutex); | |
fb2e9c0c MK |
594 | return 0; |
595 | ||
596 | err_free: | |
597 | vfree(buf); | |
598 | ||
599 | err_unlock: | |
600 | mutex_unlock(&ar->conf_mutex); | |
601 | return ret; | |
602 | } | |
603 | ||
604 | static int ath10k_fw_stats_release(struct inode *inode, struct file *file) | |
605 | { | |
606 | vfree(file->private_data); | |
607 | ||
608 | return 0; | |
609 | } | |
610 | ||
611 | static ssize_t ath10k_fw_stats_read(struct file *file, char __user *user_buf, | |
612 | size_t count, loff_t *ppos) | |
613 | { | |
614 | const char *buf = file->private_data; | |
615 | unsigned int len = strlen(buf); | |
616 | ||
617 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
5e3dd157 KV |
618 | } |
619 | ||
620 | static const struct file_operations fops_fw_stats = { | |
fb2e9c0c MK |
621 | .open = ath10k_fw_stats_open, |
622 | .release = ath10k_fw_stats_release, | |
60ef401a | 623 | .read = ath10k_fw_stats_read, |
5e3dd157 KV |
624 | .owner = THIS_MODULE, |
625 | .llseek = default_llseek, | |
626 | }; | |
627 | ||
f51dbe73 BG |
628 | static ssize_t ath10k_debug_fw_reset_stats_read(struct file *file, |
629 | char __user *user_buf, | |
630 | size_t count, loff_t *ppos) | |
631 | { | |
632 | struct ath10k *ar = file->private_data; | |
633 | int ret, len, buf_len; | |
634 | char *buf; | |
635 | ||
636 | buf_len = 500; | |
637 | buf = kmalloc(buf_len, GFP_KERNEL); | |
638 | if (!buf) | |
639 | return -ENOMEM; | |
640 | ||
641 | spin_lock_bh(&ar->data_lock); | |
642 | ||
643 | len = 0; | |
644 | len += scnprintf(buf + len, buf_len - len, | |
645 | "fw_crash_counter\t\t%d\n", ar->stats.fw_crash_counter); | |
646 | len += scnprintf(buf + len, buf_len - len, | |
647 | "fw_warm_reset_counter\t\t%d\n", | |
648 | ar->stats.fw_warm_reset_counter); | |
649 | len += scnprintf(buf + len, buf_len - len, | |
650 | "fw_cold_reset_counter\t\t%d\n", | |
651 | ar->stats.fw_cold_reset_counter); | |
652 | ||
653 | spin_unlock_bh(&ar->data_lock); | |
654 | ||
655 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
656 | ||
657 | kfree(buf); | |
658 | ||
659 | return ret; | |
660 | } | |
661 | ||
662 | static const struct file_operations fops_fw_reset_stats = { | |
663 | .open = simple_open, | |
664 | .read = ath10k_debug_fw_reset_stats_read, | |
665 | .owner = THIS_MODULE, | |
666 | .llseek = default_llseek, | |
667 | }; | |
668 | ||
d5aebc77 BG |
669 | /* This is a clean assert crash in firmware. */ |
670 | static int ath10k_debug_fw_assert(struct ath10k *ar) | |
671 | { | |
672 | struct wmi_vdev_install_key_cmd *cmd; | |
673 | struct sk_buff *skb; | |
674 | ||
675 | skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd) + 16); | |
676 | if (!skb) | |
677 | return -ENOMEM; | |
678 | ||
679 | cmd = (struct wmi_vdev_install_key_cmd *)skb->data; | |
680 | memset(cmd, 0, sizeof(*cmd)); | |
681 | ||
682 | /* big enough number so that firmware asserts */ | |
683 | cmd->vdev_id = __cpu_to_le32(0x7ffe); | |
684 | ||
685 | return ath10k_wmi_cmd_send(ar, skb, | |
686 | ar->wmi.cmd->vdev_install_key_cmdid); | |
687 | } | |
688 | ||
278c4a85 MK |
689 | static ssize_t ath10k_read_simulate_fw_crash(struct file *file, |
690 | char __user *user_buf, | |
691 | size_t count, loff_t *ppos) | |
692 | { | |
75cb96d3 KV |
693 | const char buf[] = |
694 | "To simulate firmware crash write one of the keywords to this file:\n" | |
695 | "`soft` - this will send WMI_FORCE_FW_HANG_ASSERT to firmware if FW supports that command.\n" | |
696 | "`hard` - this will send to firmware command with illegal parameters causing firmware crash.\n" | |
605cdba1 MK |
697 | "`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n" |
698 | "`hw-restart` - this will simply queue hw restart without fw/hw actually crashing.\n"; | |
8c656992 | 699 | |
278c4a85 MK |
700 | return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); |
701 | } | |
702 | ||
8c656992 MP |
703 | /* Simulate firmware crash: |
704 | * 'soft': Call wmi command causing firmware hang. This firmware hang is | |
705 | * recoverable by warm firmware reset. | |
706 | * 'hard': Force firmware crash by setting any vdev parameter for not allowed | |
707 | * vdev id. This is hard firmware crash because it is recoverable only by cold | |
708 | * firmware reset. | |
709 | */ | |
278c4a85 MK |
710 | static ssize_t ath10k_write_simulate_fw_crash(struct file *file, |
711 | const char __user *user_buf, | |
712 | size_t count, loff_t *ppos) | |
713 | { | |
714 | struct ath10k *ar = file->private_data; | |
8c656992 | 715 | char buf[32]; |
278c4a85 MK |
716 | int ret; |
717 | ||
718 | mutex_lock(&ar->conf_mutex); | |
719 | ||
720 | simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); | |
8c656992 MP |
721 | |
722 | /* make sure that buf is null terminated */ | |
723 | buf[sizeof(buf) - 1] = 0; | |
278c4a85 MK |
724 | |
725 | if (ar->state != ATH10K_STATE_ON && | |
726 | ar->state != ATH10K_STATE_RESTARTED) { | |
727 | ret = -ENETDOWN; | |
728 | goto exit; | |
729 | } | |
730 | ||
8c656992 MP |
731 | /* drop the possible '\n' from the end */ |
732 | if (buf[count - 1] == '\n') { | |
733 | buf[count - 1] = 0; | |
734 | count--; | |
735 | } | |
736 | ||
737 | if (!strcmp(buf, "soft")) { | |
7aa7a72a | 738 | ath10k_info(ar, "simulating soft firmware crash\n"); |
8c656992 MP |
739 | ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0); |
740 | } else if (!strcmp(buf, "hard")) { | |
7aa7a72a | 741 | ath10k_info(ar, "simulating hard firmware crash\n"); |
611b3682 BG |
742 | /* 0x7fff is vdev id, and it is always out of range for all |
743 | * firmware variants in order to force a firmware crash. | |
744 | */ | |
745 | ret = ath10k_wmi_vdev_set_param(ar, 0x7fff, | |
5b07e07f KV |
746 | ar->wmi.vdev_param->rts_threshold, |
747 | 0); | |
d5aebc77 BG |
748 | } else if (!strcmp(buf, "assert")) { |
749 | ath10k_info(ar, "simulating firmware assert crash\n"); | |
750 | ret = ath10k_debug_fw_assert(ar); | |
605cdba1 MK |
751 | } else if (!strcmp(buf, "hw-restart")) { |
752 | ath10k_info(ar, "user requested hw restart\n"); | |
753 | queue_work(ar->workqueue, &ar->restart_work); | |
754 | ret = 0; | |
8c656992 MP |
755 | } else { |
756 | ret = -EINVAL; | |
757 | goto exit; | |
758 | } | |
278c4a85 | 759 | |
8c656992 | 760 | if (ret) { |
7aa7a72a | 761 | ath10k_warn(ar, "failed to simulate firmware crash: %d\n", ret); |
8c656992 MP |
762 | goto exit; |
763 | } | |
278c4a85 | 764 | |
8c656992 | 765 | ret = count; |
278c4a85 MK |
766 | |
767 | exit: | |
768 | mutex_unlock(&ar->conf_mutex); | |
769 | return ret; | |
770 | } | |
771 | ||
772 | static const struct file_operations fops_simulate_fw_crash = { | |
773 | .read = ath10k_read_simulate_fw_crash, | |
774 | .write = ath10k_write_simulate_fw_crash, | |
775 | .open = simple_open, | |
776 | .owner = THIS_MODULE, | |
777 | .llseek = default_llseek, | |
778 | }; | |
779 | ||
763b8cd3 KV |
780 | static ssize_t ath10k_read_chip_id(struct file *file, char __user *user_buf, |
781 | size_t count, loff_t *ppos) | |
782 | { | |
783 | struct ath10k *ar = file->private_data; | |
784 | unsigned int len; | |
785 | char buf[50]; | |
786 | ||
787 | len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->chip_id); | |
788 | ||
789 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
790 | } | |
791 | ||
792 | static const struct file_operations fops_chip_id = { | |
793 | .read = ath10k_read_chip_id, | |
794 | .open = simple_open, | |
795 | .owner = THIS_MODULE, | |
796 | .llseek = default_llseek, | |
797 | }; | |
798 | ||
384914b2 BG |
799 | struct ath10k_fw_crash_data * |
800 | ath10k_debug_get_new_fw_crash_data(struct ath10k *ar) | |
801 | { | |
802 | struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data; | |
803 | ||
804 | lockdep_assert_held(&ar->data_lock); | |
805 | ||
806 | crash_data->crashed_since_read = true; | |
807 | uuid_le_gen(&crash_data->uuid); | |
808 | getnstimeofday(&crash_data->timestamp); | |
809 | ||
810 | return crash_data; | |
811 | } | |
812 | EXPORT_SYMBOL(ath10k_debug_get_new_fw_crash_data); | |
813 | ||
814 | static struct ath10k_dump_file_data *ath10k_build_dump_file(struct ath10k *ar) | |
815 | { | |
816 | struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data; | |
817 | struct ath10k_dump_file_data *dump_data; | |
818 | struct ath10k_tlv_dump_data *dump_tlv; | |
819 | int hdr_len = sizeof(*dump_data); | |
820 | unsigned int len, sofar = 0; | |
821 | unsigned char *buf; | |
822 | ||
823 | len = hdr_len; | |
824 | len += sizeof(*dump_tlv) + sizeof(crash_data->registers); | |
825 | ||
826 | sofar += hdr_len; | |
827 | ||
828 | /* This is going to get big when we start dumping FW RAM and such, | |
829 | * so go ahead and use vmalloc. | |
830 | */ | |
831 | buf = vzalloc(len); | |
832 | if (!buf) | |
833 | return NULL; | |
834 | ||
835 | spin_lock_bh(&ar->data_lock); | |
836 | ||
837 | if (!crash_data->crashed_since_read) { | |
838 | spin_unlock_bh(&ar->data_lock); | |
839 | vfree(buf); | |
840 | return NULL; | |
841 | } | |
842 | ||
843 | dump_data = (struct ath10k_dump_file_data *)(buf); | |
844 | strlcpy(dump_data->df_magic, "ATH10K-FW-DUMP", | |
845 | sizeof(dump_data->df_magic)); | |
846 | dump_data->len = cpu_to_le32(len); | |
847 | ||
848 | dump_data->version = cpu_to_le32(ATH10K_FW_CRASH_DUMP_VERSION); | |
849 | ||
850 | memcpy(dump_data->uuid, &crash_data->uuid, sizeof(dump_data->uuid)); | |
851 | dump_data->chip_id = cpu_to_le32(ar->chip_id); | |
852 | dump_data->bus_type = cpu_to_le32(0); | |
853 | dump_data->target_version = cpu_to_le32(ar->target_version); | |
854 | dump_data->fw_version_major = cpu_to_le32(ar->fw_version_major); | |
855 | dump_data->fw_version_minor = cpu_to_le32(ar->fw_version_minor); | |
856 | dump_data->fw_version_release = cpu_to_le32(ar->fw_version_release); | |
857 | dump_data->fw_version_build = cpu_to_le32(ar->fw_version_build); | |
858 | dump_data->phy_capability = cpu_to_le32(ar->phy_capability); | |
859 | dump_data->hw_min_tx_power = cpu_to_le32(ar->hw_min_tx_power); | |
860 | dump_data->hw_max_tx_power = cpu_to_le32(ar->hw_max_tx_power); | |
861 | dump_data->ht_cap_info = cpu_to_le32(ar->ht_cap_info); | |
862 | dump_data->vht_cap_info = cpu_to_le32(ar->vht_cap_info); | |
863 | dump_data->num_rf_chains = cpu_to_le32(ar->num_rf_chains); | |
864 | ||
865 | strlcpy(dump_data->fw_ver, ar->hw->wiphy->fw_version, | |
866 | sizeof(dump_data->fw_ver)); | |
867 | ||
12c27156 JB |
868 | dump_data->kernel_ver_code = 0; |
869 | strlcpy(dump_data->kernel_ver, init_utsname()->release, | |
384914b2 BG |
870 | sizeof(dump_data->kernel_ver)); |
871 | ||
872 | dump_data->tv_sec = cpu_to_le64(crash_data->timestamp.tv_sec); | |
873 | dump_data->tv_nsec = cpu_to_le64(crash_data->timestamp.tv_nsec); | |
874 | ||
875 | /* Gather crash-dump */ | |
876 | dump_tlv = (struct ath10k_tlv_dump_data *)(buf + sofar); | |
877 | dump_tlv->type = cpu_to_le32(ATH10K_FW_CRASH_DUMP_REGISTERS); | |
878 | dump_tlv->tlv_len = cpu_to_le32(sizeof(crash_data->registers)); | |
879 | memcpy(dump_tlv->tlv_data, &crash_data->registers, | |
880 | sizeof(crash_data->registers)); | |
881 | sofar += sizeof(*dump_tlv) + sizeof(crash_data->registers); | |
882 | ||
883 | ar->debug.fw_crash_data->crashed_since_read = false; | |
884 | ||
885 | spin_unlock_bh(&ar->data_lock); | |
886 | ||
887 | return dump_data; | |
888 | } | |
889 | ||
890 | static int ath10k_fw_crash_dump_open(struct inode *inode, struct file *file) | |
891 | { | |
892 | struct ath10k *ar = inode->i_private; | |
893 | struct ath10k_dump_file_data *dump; | |
894 | ||
895 | dump = ath10k_build_dump_file(ar); | |
896 | if (!dump) | |
897 | return -ENODATA; | |
898 | ||
899 | file->private_data = dump; | |
900 | ||
901 | return 0; | |
902 | } | |
903 | ||
904 | static ssize_t ath10k_fw_crash_dump_read(struct file *file, | |
905 | char __user *user_buf, | |
906 | size_t count, loff_t *ppos) | |
907 | { | |
908 | struct ath10k_dump_file_data *dump_file = file->private_data; | |
909 | ||
910 | return simple_read_from_buffer(user_buf, count, ppos, | |
911 | dump_file, | |
912 | le32_to_cpu(dump_file->len)); | |
913 | } | |
914 | ||
915 | static int ath10k_fw_crash_dump_release(struct inode *inode, | |
916 | struct file *file) | |
917 | { | |
918 | vfree(file->private_data); | |
919 | ||
920 | return 0; | |
921 | } | |
922 | ||
923 | static const struct file_operations fops_fw_crash_dump = { | |
924 | .open = ath10k_fw_crash_dump_open, | |
925 | .read = ath10k_fw_crash_dump_read, | |
926 | .release = ath10k_fw_crash_dump_release, | |
927 | .owner = THIS_MODULE, | |
928 | .llseek = default_llseek, | |
929 | }; | |
930 | ||
077a3804 YL |
931 | static ssize_t ath10k_reg_addr_read(struct file *file, |
932 | char __user *user_buf, | |
933 | size_t count, loff_t *ppos) | |
934 | { | |
935 | struct ath10k *ar = file->private_data; | |
936 | u8 buf[32]; | |
937 | unsigned int len = 0; | |
938 | u32 reg_addr; | |
939 | ||
940 | mutex_lock(&ar->conf_mutex); | |
941 | reg_addr = ar->debug.reg_addr; | |
942 | mutex_unlock(&ar->conf_mutex); | |
943 | ||
944 | len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n", reg_addr); | |
945 | ||
946 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
947 | } | |
948 | ||
949 | static ssize_t ath10k_reg_addr_write(struct file *file, | |
950 | const char __user *user_buf, | |
951 | size_t count, loff_t *ppos) | |
952 | { | |
953 | struct ath10k *ar = file->private_data; | |
954 | u32 reg_addr; | |
955 | int ret; | |
956 | ||
957 | ret = kstrtou32_from_user(user_buf, count, 0, ®_addr); | |
958 | if (ret) | |
959 | return ret; | |
960 | ||
961 | if (!IS_ALIGNED(reg_addr, 4)) | |
962 | return -EFAULT; | |
963 | ||
964 | mutex_lock(&ar->conf_mutex); | |
965 | ar->debug.reg_addr = reg_addr; | |
966 | mutex_unlock(&ar->conf_mutex); | |
967 | ||
968 | return count; | |
969 | } | |
970 | ||
971 | static const struct file_operations fops_reg_addr = { | |
972 | .read = ath10k_reg_addr_read, | |
973 | .write = ath10k_reg_addr_write, | |
974 | .open = simple_open, | |
975 | .owner = THIS_MODULE, | |
976 | .llseek = default_llseek, | |
977 | }; | |
978 | ||
979 | static ssize_t ath10k_reg_value_read(struct file *file, | |
980 | char __user *user_buf, | |
981 | size_t count, loff_t *ppos) | |
982 | { | |
983 | struct ath10k *ar = file->private_data; | |
984 | u8 buf[48]; | |
985 | unsigned int len; | |
986 | u32 reg_addr, reg_val; | |
987 | int ret; | |
988 | ||
989 | mutex_lock(&ar->conf_mutex); | |
990 | ||
991 | if (ar->state != ATH10K_STATE_ON && | |
992 | ar->state != ATH10K_STATE_UTF) { | |
993 | ret = -ENETDOWN; | |
994 | goto exit; | |
995 | } | |
996 | ||
997 | reg_addr = ar->debug.reg_addr; | |
998 | ||
999 | reg_val = ath10k_hif_read32(ar, reg_addr); | |
1000 | len = scnprintf(buf, sizeof(buf), "0x%08x:0x%08x\n", reg_addr, reg_val); | |
1001 | ||
1002 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1003 | ||
1004 | exit: | |
1005 | mutex_unlock(&ar->conf_mutex); | |
1006 | ||
1007 | return ret; | |
1008 | } | |
1009 | ||
1010 | static ssize_t ath10k_reg_value_write(struct file *file, | |
1011 | const char __user *user_buf, | |
1012 | size_t count, loff_t *ppos) | |
1013 | { | |
1014 | struct ath10k *ar = file->private_data; | |
1015 | u32 reg_addr, reg_val; | |
1016 | int ret; | |
1017 | ||
1018 | mutex_lock(&ar->conf_mutex); | |
1019 | ||
1020 | if (ar->state != ATH10K_STATE_ON && | |
1021 | ar->state != ATH10K_STATE_UTF) { | |
1022 | ret = -ENETDOWN; | |
1023 | goto exit; | |
1024 | } | |
1025 | ||
1026 | reg_addr = ar->debug.reg_addr; | |
1027 | ||
1028 | ret = kstrtou32_from_user(user_buf, count, 0, ®_val); | |
1029 | if (ret) | |
1030 | goto exit; | |
1031 | ||
1032 | ath10k_hif_write32(ar, reg_addr, reg_val); | |
1033 | ||
1034 | ret = count; | |
1035 | ||
1036 | exit: | |
1037 | mutex_unlock(&ar->conf_mutex); | |
1038 | ||
1039 | return ret; | |
1040 | } | |
1041 | ||
1042 | static const struct file_operations fops_reg_value = { | |
1043 | .read = ath10k_reg_value_read, | |
1044 | .write = ath10k_reg_value_write, | |
1045 | .open = simple_open, | |
1046 | .owner = THIS_MODULE, | |
1047 | .llseek = default_llseek, | |
1048 | }; | |
1049 | ||
a3d135e5 KV |
1050 | static int ath10k_debug_htt_stats_req(struct ath10k *ar) |
1051 | { | |
1052 | u64 cookie; | |
1053 | int ret; | |
1054 | ||
1055 | lockdep_assert_held(&ar->conf_mutex); | |
1056 | ||
1057 | if (ar->debug.htt_stats_mask == 0) | |
1058 | /* htt stats are disabled */ | |
1059 | return 0; | |
1060 | ||
1061 | if (ar->state != ATH10K_STATE_ON) | |
1062 | return 0; | |
1063 | ||
1064 | cookie = get_jiffies_64(); | |
1065 | ||
1066 | ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask, | |
1067 | cookie); | |
1068 | if (ret) { | |
7aa7a72a | 1069 | ath10k_warn(ar, "failed to send htt stats request: %d\n", ret); |
a3d135e5 KV |
1070 | return ret; |
1071 | } | |
1072 | ||
1073 | queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork, | |
1074 | msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL)); | |
1075 | ||
1076 | return 0; | |
1077 | } | |
1078 | ||
1079 | static void ath10k_debug_htt_stats_dwork(struct work_struct *work) | |
1080 | { | |
1081 | struct ath10k *ar = container_of(work, struct ath10k, | |
1082 | debug.htt_stats_dwork.work); | |
1083 | ||
1084 | mutex_lock(&ar->conf_mutex); | |
1085 | ||
1086 | ath10k_debug_htt_stats_req(ar); | |
1087 | ||
1088 | mutex_unlock(&ar->conf_mutex); | |
1089 | } | |
1090 | ||
1091 | static ssize_t ath10k_read_htt_stats_mask(struct file *file, | |
5b07e07f KV |
1092 | char __user *user_buf, |
1093 | size_t count, loff_t *ppos) | |
a3d135e5 KV |
1094 | { |
1095 | struct ath10k *ar = file->private_data; | |
1096 | char buf[32]; | |
1097 | unsigned int len; | |
1098 | ||
1099 | len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask); | |
1100 | ||
1101 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1102 | } | |
1103 | ||
1104 | static ssize_t ath10k_write_htt_stats_mask(struct file *file, | |
5b07e07f KV |
1105 | const char __user *user_buf, |
1106 | size_t count, loff_t *ppos) | |
a3d135e5 KV |
1107 | { |
1108 | struct ath10k *ar = file->private_data; | |
1109 | unsigned long mask; | |
1110 | int ret; | |
1111 | ||
1112 | ret = kstrtoul_from_user(user_buf, count, 0, &mask); | |
1113 | if (ret) | |
1114 | return ret; | |
1115 | ||
1116 | /* max 8 bit masks (for now) */ | |
1117 | if (mask > 0xff) | |
1118 | return -E2BIG; | |
1119 | ||
1120 | mutex_lock(&ar->conf_mutex); | |
1121 | ||
1122 | ar->debug.htt_stats_mask = mask; | |
1123 | ||
1124 | ret = ath10k_debug_htt_stats_req(ar); | |
1125 | if (ret) | |
1126 | goto out; | |
1127 | ||
1128 | ret = count; | |
1129 | ||
1130 | out: | |
1131 | mutex_unlock(&ar->conf_mutex); | |
1132 | ||
1133 | return ret; | |
1134 | } | |
1135 | ||
1136 | static const struct file_operations fops_htt_stats_mask = { | |
1137 | .read = ath10k_read_htt_stats_mask, | |
1138 | .write = ath10k_write_htt_stats_mask, | |
1139 | .open = simple_open, | |
1140 | .owner = THIS_MODULE, | |
1141 | .llseek = default_llseek, | |
1142 | }; | |
1143 | ||
d385623a JD |
1144 | static ssize_t ath10k_read_htt_max_amsdu_ampdu(struct file *file, |
1145 | char __user *user_buf, | |
1146 | size_t count, loff_t *ppos) | |
1147 | { | |
1148 | struct ath10k *ar = file->private_data; | |
1149 | char buf[64]; | |
1150 | u8 amsdu = 3, ampdu = 64; | |
1151 | unsigned int len; | |
1152 | ||
1153 | mutex_lock(&ar->conf_mutex); | |
1154 | ||
1155 | if (ar->debug.htt_max_amsdu) | |
1156 | amsdu = ar->debug.htt_max_amsdu; | |
1157 | ||
1158 | if (ar->debug.htt_max_ampdu) | |
1159 | ampdu = ar->debug.htt_max_ampdu; | |
1160 | ||
1161 | mutex_unlock(&ar->conf_mutex); | |
1162 | ||
1163 | len = scnprintf(buf, sizeof(buf), "%u %u\n", amsdu, ampdu); | |
1164 | ||
1165 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1166 | } | |
1167 | ||
1168 | static ssize_t ath10k_write_htt_max_amsdu_ampdu(struct file *file, | |
1169 | const char __user *user_buf, | |
1170 | size_t count, loff_t *ppos) | |
1171 | { | |
1172 | struct ath10k *ar = file->private_data; | |
1173 | int res; | |
1174 | char buf[64]; | |
1175 | unsigned int amsdu, ampdu; | |
1176 | ||
1177 | simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); | |
1178 | ||
1179 | /* make sure that buf is null terminated */ | |
1180 | buf[sizeof(buf) - 1] = 0; | |
1181 | ||
1182 | res = sscanf(buf, "%u %u", &amsdu, &du); | |
1183 | ||
1184 | if (res != 2) | |
1185 | return -EINVAL; | |
1186 | ||
1187 | mutex_lock(&ar->conf_mutex); | |
1188 | ||
1189 | res = ath10k_htt_h2t_aggr_cfg_msg(&ar->htt, ampdu, amsdu); | |
1190 | if (res) | |
1191 | goto out; | |
1192 | ||
1193 | res = count; | |
1194 | ar->debug.htt_max_amsdu = amsdu; | |
1195 | ar->debug.htt_max_ampdu = ampdu; | |
1196 | ||
1197 | out: | |
1198 | mutex_unlock(&ar->conf_mutex); | |
1199 | return res; | |
1200 | } | |
1201 | ||
1202 | static const struct file_operations fops_htt_max_amsdu_ampdu = { | |
1203 | .read = ath10k_read_htt_max_amsdu_ampdu, | |
1204 | .write = ath10k_write_htt_max_amsdu_ampdu, | |
1205 | .open = simple_open, | |
1206 | .owner = THIS_MODULE, | |
1207 | .llseek = default_llseek, | |
1208 | }; | |
1209 | ||
f118a3e5 | 1210 | static ssize_t ath10k_read_fw_dbglog(struct file *file, |
5b07e07f KV |
1211 | char __user *user_buf, |
1212 | size_t count, loff_t *ppos) | |
f118a3e5 KV |
1213 | { |
1214 | struct ath10k *ar = file->private_data; | |
1215 | unsigned int len; | |
1216 | char buf[32]; | |
1217 | ||
1218 | len = scnprintf(buf, sizeof(buf), "0x%08x\n", | |
1219 | ar->debug.fw_dbglog_mask); | |
1220 | ||
1221 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1222 | } | |
1223 | ||
1224 | static ssize_t ath10k_write_fw_dbglog(struct file *file, | |
1225 | const char __user *user_buf, | |
1226 | size_t count, loff_t *ppos) | |
1227 | { | |
1228 | struct ath10k *ar = file->private_data; | |
1229 | unsigned long mask; | |
1230 | int ret; | |
1231 | ||
1232 | ret = kstrtoul_from_user(user_buf, count, 0, &mask); | |
1233 | if (ret) | |
1234 | return ret; | |
1235 | ||
1236 | mutex_lock(&ar->conf_mutex); | |
1237 | ||
1238 | ar->debug.fw_dbglog_mask = mask; | |
1239 | ||
1240 | if (ar->state == ATH10K_STATE_ON) { | |
1241 | ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask); | |
1242 | if (ret) { | |
7aa7a72a | 1243 | ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n", |
f118a3e5 KV |
1244 | ret); |
1245 | goto exit; | |
1246 | } | |
1247 | } | |
1248 | ||
1249 | ret = count; | |
1250 | ||
1251 | exit: | |
1252 | mutex_unlock(&ar->conf_mutex); | |
1253 | ||
1254 | return ret; | |
1255 | } | |
1256 | ||
6cddcc7a BG |
1257 | /* TODO: Would be nice to always support ethtool stats, would need to |
1258 | * move the stats storage out of ath10k_debug, or always have ath10k_debug | |
1259 | * struct available.. | |
1260 | */ | |
1261 | ||
1262 | /* This generally cooresponds to the debugfs fw_stats file */ | |
1263 | static const char ath10k_gstrings_stats[][ETH_GSTRING_LEN] = { | |
1264 | "tx_pkts_nic", | |
1265 | "tx_bytes_nic", | |
1266 | "rx_pkts_nic", | |
1267 | "rx_bytes_nic", | |
1268 | "d_noise_floor", | |
1269 | "d_cycle_count", | |
1270 | "d_phy_error", | |
1271 | "d_rts_bad", | |
1272 | "d_rts_good", | |
1273 | "d_tx_power", /* in .5 dbM I think */ | |
1274 | "d_rx_crc_err", /* fcs_bad */ | |
1275 | "d_no_beacon", | |
1276 | "d_tx_mpdus_queued", | |
1277 | "d_tx_msdu_queued", | |
1278 | "d_tx_msdu_dropped", | |
1279 | "d_local_enqued", | |
1280 | "d_local_freed", | |
1281 | "d_tx_ppdu_hw_queued", | |
1282 | "d_tx_ppdu_reaped", | |
1283 | "d_tx_fifo_underrun", | |
1284 | "d_tx_ppdu_abort", | |
1285 | "d_tx_mpdu_requed", | |
1286 | "d_tx_excessive_retries", | |
1287 | "d_tx_hw_rate", | |
1288 | "d_tx_dropped_sw_retries", | |
1289 | "d_tx_illegal_rate", | |
1290 | "d_tx_continuous_xretries", | |
1291 | "d_tx_timeout", | |
1292 | "d_tx_mpdu_txop_limit", | |
1293 | "d_pdev_resets", | |
1294 | "d_rx_mid_ppdu_route_change", | |
1295 | "d_rx_status", | |
1296 | "d_rx_extra_frags_ring0", | |
1297 | "d_rx_extra_frags_ring1", | |
1298 | "d_rx_extra_frags_ring2", | |
1299 | "d_rx_extra_frags_ring3", | |
1300 | "d_rx_msdu_htt", | |
1301 | "d_rx_mpdu_htt", | |
1302 | "d_rx_msdu_stack", | |
1303 | "d_rx_mpdu_stack", | |
1304 | "d_rx_phy_err", | |
1305 | "d_rx_phy_err_drops", | |
1306 | "d_rx_mpdu_errors", /* FCS, MIC, ENC */ | |
1307 | "d_fw_crash_count", | |
1308 | "d_fw_warm_reset_count", | |
1309 | "d_fw_cold_reset_count", | |
1310 | }; | |
1311 | ||
1312 | #define ATH10K_SSTATS_LEN ARRAY_SIZE(ath10k_gstrings_stats) | |
1313 | ||
1314 | void ath10k_debug_get_et_strings(struct ieee80211_hw *hw, | |
1315 | struct ieee80211_vif *vif, | |
1316 | u32 sset, u8 *data) | |
1317 | { | |
1318 | if (sset == ETH_SS_STATS) | |
1319 | memcpy(data, *ath10k_gstrings_stats, | |
1320 | sizeof(ath10k_gstrings_stats)); | |
1321 | } | |
1322 | ||
1323 | int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw, | |
1324 | struct ieee80211_vif *vif, int sset) | |
1325 | { | |
1326 | if (sset == ETH_SS_STATS) | |
1327 | return ATH10K_SSTATS_LEN; | |
1328 | ||
1329 | return 0; | |
1330 | } | |
1331 | ||
1332 | void ath10k_debug_get_et_stats(struct ieee80211_hw *hw, | |
1333 | struct ieee80211_vif *vif, | |
1334 | struct ethtool_stats *stats, u64 *data) | |
1335 | { | |
1336 | struct ath10k *ar = hw->priv; | |
1337 | static const struct ath10k_fw_stats_pdev zero_stats = {}; | |
1338 | const struct ath10k_fw_stats_pdev *pdev_stats; | |
1339 | int i = 0, ret; | |
1340 | ||
1341 | mutex_lock(&ar->conf_mutex); | |
1342 | ||
1343 | if (ar->state == ATH10K_STATE_ON) { | |
1344 | ret = ath10k_debug_fw_stats_request(ar); | |
1345 | if (ret) { | |
1346 | /* just print a warning and try to use older results */ | |
1347 | ath10k_warn(ar, | |
1348 | "failed to get fw stats for ethtool: %d\n", | |
1349 | ret); | |
1350 | } | |
1351 | } | |
1352 | ||
1353 | pdev_stats = list_first_entry_or_null(&ar->debug.fw_stats.pdevs, | |
1354 | struct ath10k_fw_stats_pdev, | |
1355 | list); | |
1356 | if (!pdev_stats) { | |
1357 | /* no results available so just return zeroes */ | |
1358 | pdev_stats = &zero_stats; | |
1359 | } | |
1360 | ||
1361 | spin_lock_bh(&ar->data_lock); | |
1362 | ||
1363 | data[i++] = pdev_stats->hw_reaped; /* ppdu reaped */ | |
1364 | data[i++] = 0; /* tx bytes */ | |
1365 | data[i++] = pdev_stats->htt_mpdus; | |
1366 | data[i++] = 0; /* rx bytes */ | |
1367 | data[i++] = pdev_stats->ch_noise_floor; | |
1368 | data[i++] = pdev_stats->cycle_count; | |
1369 | data[i++] = pdev_stats->phy_err_count; | |
1370 | data[i++] = pdev_stats->rts_bad; | |
1371 | data[i++] = pdev_stats->rts_good; | |
1372 | data[i++] = pdev_stats->chan_tx_power; | |
1373 | data[i++] = pdev_stats->fcs_bad; | |
1374 | data[i++] = pdev_stats->no_beacons; | |
1375 | data[i++] = pdev_stats->mpdu_enqued; | |
1376 | data[i++] = pdev_stats->msdu_enqued; | |
1377 | data[i++] = pdev_stats->wmm_drop; | |
1378 | data[i++] = pdev_stats->local_enqued; | |
1379 | data[i++] = pdev_stats->local_freed; | |
1380 | data[i++] = pdev_stats->hw_queued; | |
1381 | data[i++] = pdev_stats->hw_reaped; | |
1382 | data[i++] = pdev_stats->underrun; | |
1383 | data[i++] = pdev_stats->tx_abort; | |
1384 | data[i++] = pdev_stats->mpdus_requed; | |
1385 | data[i++] = pdev_stats->tx_ko; | |
1386 | data[i++] = pdev_stats->data_rc; | |
1387 | data[i++] = pdev_stats->sw_retry_failure; | |
1388 | data[i++] = pdev_stats->illgl_rate_phy_err; | |
1389 | data[i++] = pdev_stats->pdev_cont_xretry; | |
1390 | data[i++] = pdev_stats->pdev_tx_timeout; | |
1391 | data[i++] = pdev_stats->txop_ovf; | |
1392 | data[i++] = pdev_stats->pdev_resets; | |
1393 | data[i++] = pdev_stats->mid_ppdu_route_change; | |
1394 | data[i++] = pdev_stats->status_rcvd; | |
1395 | data[i++] = pdev_stats->r0_frags; | |
1396 | data[i++] = pdev_stats->r1_frags; | |
1397 | data[i++] = pdev_stats->r2_frags; | |
1398 | data[i++] = pdev_stats->r3_frags; | |
1399 | data[i++] = pdev_stats->htt_msdus; | |
1400 | data[i++] = pdev_stats->htt_mpdus; | |
1401 | data[i++] = pdev_stats->loc_msdus; | |
1402 | data[i++] = pdev_stats->loc_mpdus; | |
1403 | data[i++] = pdev_stats->phy_errs; | |
1404 | data[i++] = pdev_stats->phy_err_drop; | |
1405 | data[i++] = pdev_stats->mpdu_errs; | |
1406 | data[i++] = ar->stats.fw_crash_counter; | |
1407 | data[i++] = ar->stats.fw_warm_reset_counter; | |
1408 | data[i++] = ar->stats.fw_cold_reset_counter; | |
1409 | ||
1410 | spin_unlock_bh(&ar->data_lock); | |
1411 | ||
1412 | mutex_unlock(&ar->conf_mutex); | |
1413 | ||
1414 | WARN_ON(i != ATH10K_SSTATS_LEN); | |
1415 | } | |
1416 | ||
f118a3e5 KV |
1417 | static const struct file_operations fops_fw_dbglog = { |
1418 | .read = ath10k_read_fw_dbglog, | |
1419 | .write = ath10k_write_fw_dbglog, | |
1420 | .open = simple_open, | |
1421 | .owner = THIS_MODULE, | |
1422 | .llseek = default_llseek, | |
1423 | }; | |
1424 | ||
7869b4fa KV |
1425 | static int ath10k_debug_cal_data_open(struct inode *inode, struct file *file) |
1426 | { | |
1427 | struct ath10k *ar = inode->i_private; | |
1428 | void *buf; | |
1429 | u32 hi_addr; | |
1430 | __le32 addr; | |
1431 | int ret; | |
1432 | ||
1433 | mutex_lock(&ar->conf_mutex); | |
1434 | ||
1435 | if (ar->state != ATH10K_STATE_ON && | |
1436 | ar->state != ATH10K_STATE_UTF) { | |
1437 | ret = -ENETDOWN; | |
1438 | goto err; | |
1439 | } | |
1440 | ||
1441 | buf = vmalloc(QCA988X_CAL_DATA_LEN); | |
1442 | if (!buf) { | |
1443 | ret = -ENOMEM; | |
1444 | goto err; | |
1445 | } | |
1446 | ||
1447 | hi_addr = host_interest_item_address(HI_ITEM(hi_board_data)); | |
1448 | ||
1449 | ret = ath10k_hif_diag_read(ar, hi_addr, &addr, sizeof(addr)); | |
1450 | if (ret) { | |
1451 | ath10k_warn(ar, "failed to read hi_board_data address: %d\n", ret); | |
1452 | goto err_vfree; | |
1453 | } | |
1454 | ||
1455 | ret = ath10k_hif_diag_read(ar, le32_to_cpu(addr), buf, | |
1456 | QCA988X_CAL_DATA_LEN); | |
1457 | if (ret) { | |
1458 | ath10k_warn(ar, "failed to read calibration data: %d\n", ret); | |
1459 | goto err_vfree; | |
1460 | } | |
1461 | ||
1462 | file->private_data = buf; | |
1463 | ||
1464 | mutex_unlock(&ar->conf_mutex); | |
1465 | ||
1466 | return 0; | |
1467 | ||
1468 | err_vfree: | |
1469 | vfree(buf); | |
1470 | ||
1471 | err: | |
1472 | mutex_unlock(&ar->conf_mutex); | |
1473 | ||
1474 | return ret; | |
1475 | } | |
1476 | ||
1477 | static ssize_t ath10k_debug_cal_data_read(struct file *file, | |
1478 | char __user *user_buf, | |
1479 | size_t count, loff_t *ppos) | |
1480 | { | |
1481 | void *buf = file->private_data; | |
1482 | ||
1483 | return simple_read_from_buffer(user_buf, count, ppos, | |
1484 | buf, QCA988X_CAL_DATA_LEN); | |
1485 | } | |
1486 | ||
1487 | static int ath10k_debug_cal_data_release(struct inode *inode, | |
1488 | struct file *file) | |
1489 | { | |
1490 | vfree(file->private_data); | |
1491 | ||
1492 | return 0; | |
1493 | } | |
1494 | ||
1495 | static const struct file_operations fops_cal_data = { | |
1496 | .open = ath10k_debug_cal_data_open, | |
1497 | .read = ath10k_debug_cal_data_read, | |
1498 | .release = ath10k_debug_cal_data_release, | |
1499 | .owner = THIS_MODULE, | |
1500 | .llseek = default_llseek, | |
1501 | }; | |
1502 | ||
db66ea04 KV |
1503 | int ath10k_debug_start(struct ath10k *ar) |
1504 | { | |
a3d135e5 KV |
1505 | int ret; |
1506 | ||
60631c5c KV |
1507 | lockdep_assert_held(&ar->conf_mutex); |
1508 | ||
a3d135e5 KV |
1509 | ret = ath10k_debug_htt_stats_req(ar); |
1510 | if (ret) | |
1511 | /* continue normally anyway, this isn't serious */ | |
7aa7a72a MK |
1512 | ath10k_warn(ar, "failed to start htt stats workqueue: %d\n", |
1513 | ret); | |
a3d135e5 | 1514 | |
f118a3e5 KV |
1515 | if (ar->debug.fw_dbglog_mask) { |
1516 | ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask); | |
1517 | if (ret) | |
1518 | /* not serious */ | |
7aa7a72a | 1519 | ath10k_warn(ar, "failed to enable dbglog during start: %d", |
f118a3e5 KV |
1520 | ret); |
1521 | } | |
1522 | ||
90174455 RM |
1523 | if (ar->debug.pktlog_filter) { |
1524 | ret = ath10k_wmi_pdev_pktlog_enable(ar, | |
1525 | ar->debug.pktlog_filter); | |
1526 | if (ret) | |
1527 | /* not serious */ | |
1528 | ath10k_warn(ar, | |
1529 | "failed to enable pktlog filter %x: %d\n", | |
1530 | ar->debug.pktlog_filter, ret); | |
1531 | } else { | |
1532 | ret = ath10k_wmi_pdev_pktlog_disable(ar); | |
1533 | if (ret) | |
1534 | /* not serious */ | |
1535 | ath10k_warn(ar, "failed to disable pktlog: %d\n", ret); | |
1536 | } | |
1537 | ||
1538 | return ret; | |
db66ea04 KV |
1539 | } |
1540 | ||
1541 | void ath10k_debug_stop(struct ath10k *ar) | |
1542 | { | |
60631c5c KV |
1543 | lockdep_assert_held(&ar->conf_mutex); |
1544 | ||
1545 | /* Must not use _sync to avoid deadlock, we do that in | |
1546 | * ath10k_debug_destroy(). The check for htt_stats_mask is to avoid | |
1547 | * warning from del_timer(). */ | |
1548 | if (ar->debug.htt_stats_mask != 0) | |
1549 | cancel_delayed_work(&ar->debug.htt_stats_dwork); | |
d385623a JD |
1550 | |
1551 | ar->debug.htt_max_amsdu = 0; | |
1552 | ar->debug.htt_max_ampdu = 0; | |
90174455 RM |
1553 | |
1554 | ath10k_wmi_pdev_pktlog_disable(ar); | |
db66ea04 KV |
1555 | } |
1556 | ||
9702c686 JD |
1557 | static ssize_t ath10k_write_simulate_radar(struct file *file, |
1558 | const char __user *user_buf, | |
1559 | size_t count, loff_t *ppos) | |
1560 | { | |
1561 | struct ath10k *ar = file->private_data; | |
1562 | ||
1563 | ieee80211_radar_detected(ar->hw); | |
1564 | ||
1565 | return count; | |
1566 | } | |
1567 | ||
1568 | static const struct file_operations fops_simulate_radar = { | |
1569 | .write = ath10k_write_simulate_radar, | |
1570 | .open = simple_open, | |
1571 | .owner = THIS_MODULE, | |
1572 | .llseek = default_llseek, | |
1573 | }; | |
1574 | ||
1575 | #define ATH10K_DFS_STAT(s, p) (\ | |
1576 | len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \ | |
1577 | ar->debug.dfs_stats.p)) | |
1578 | ||
1579 | #define ATH10K_DFS_POOL_STAT(s, p) (\ | |
1580 | len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \ | |
1581 | ar->debug.dfs_pool_stats.p)) | |
1582 | ||
1583 | static ssize_t ath10k_read_dfs_stats(struct file *file, char __user *user_buf, | |
1584 | size_t count, loff_t *ppos) | |
1585 | { | |
1586 | int retval = 0, len = 0; | |
1587 | const int size = 8000; | |
1588 | struct ath10k *ar = file->private_data; | |
1589 | char *buf; | |
1590 | ||
1591 | buf = kzalloc(size, GFP_KERNEL); | |
1592 | if (buf == NULL) | |
1593 | return -ENOMEM; | |
1594 | ||
1595 | if (!ar->dfs_detector) { | |
1596 | len += scnprintf(buf + len, size - len, "DFS not enabled\n"); | |
1597 | goto exit; | |
1598 | } | |
1599 | ||
1600 | ar->debug.dfs_pool_stats = | |
1601 | ar->dfs_detector->get_stats(ar->dfs_detector); | |
1602 | ||
1603 | len += scnprintf(buf + len, size - len, "Pulse detector statistics:\n"); | |
1604 | ||
1605 | ATH10K_DFS_STAT("reported phy errors", phy_errors); | |
1606 | ATH10K_DFS_STAT("pulse events reported", pulses_total); | |
1607 | ATH10K_DFS_STAT("DFS pulses detected", pulses_detected); | |
1608 | ATH10K_DFS_STAT("DFS pulses discarded", pulses_discarded); | |
1609 | ATH10K_DFS_STAT("Radars detected", radar_detected); | |
1610 | ||
1611 | len += scnprintf(buf + len, size - len, "Global Pool statistics:\n"); | |
1612 | ATH10K_DFS_POOL_STAT("Pool references", pool_reference); | |
1613 | ATH10K_DFS_POOL_STAT("Pulses allocated", pulse_allocated); | |
1614 | ATH10K_DFS_POOL_STAT("Pulses alloc error", pulse_alloc_error); | |
1615 | ATH10K_DFS_POOL_STAT("Pulses in use", pulse_used); | |
1616 | ATH10K_DFS_POOL_STAT("Seqs. allocated", pseq_allocated); | |
1617 | ATH10K_DFS_POOL_STAT("Seqs. alloc error", pseq_alloc_error); | |
1618 | ATH10K_DFS_POOL_STAT("Seqs. in use", pseq_used); | |
1619 | ||
1620 | exit: | |
1621 | if (len > size) | |
1622 | len = size; | |
1623 | ||
1624 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1625 | kfree(buf); | |
1626 | ||
1627 | return retval; | |
1628 | } | |
1629 | ||
1630 | static const struct file_operations fops_dfs_stats = { | |
1631 | .read = ath10k_read_dfs_stats, | |
1632 | .open = simple_open, | |
1633 | .owner = THIS_MODULE, | |
1634 | .llseek = default_llseek, | |
1635 | }; | |
1636 | ||
90174455 RM |
1637 | static ssize_t ath10k_write_pktlog_filter(struct file *file, |
1638 | const char __user *ubuf, | |
1639 | size_t count, loff_t *ppos) | |
1640 | { | |
1641 | struct ath10k *ar = file->private_data; | |
1642 | u32 filter; | |
1643 | int ret; | |
1644 | ||
1645 | if (kstrtouint_from_user(ubuf, count, 0, &filter)) | |
1646 | return -EINVAL; | |
1647 | ||
1648 | mutex_lock(&ar->conf_mutex); | |
1649 | ||
1650 | if (ar->state != ATH10K_STATE_ON) { | |
1651 | ar->debug.pktlog_filter = filter; | |
1652 | ret = count; | |
1653 | goto out; | |
1654 | } | |
1655 | ||
1656 | if (filter && (filter != ar->debug.pktlog_filter)) { | |
1657 | ret = ath10k_wmi_pdev_pktlog_enable(ar, filter); | |
1658 | if (ret) { | |
1659 | ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n", | |
1660 | ar->debug.pktlog_filter, ret); | |
1661 | goto out; | |
1662 | } | |
1663 | } else { | |
1664 | ret = ath10k_wmi_pdev_pktlog_disable(ar); | |
1665 | if (ret) { | |
1666 | ath10k_warn(ar, "failed to disable pktlog: %d\n", ret); | |
1667 | goto out; | |
1668 | } | |
1669 | } | |
1670 | ||
1671 | ar->debug.pktlog_filter = filter; | |
1672 | ret = count; | |
1673 | ||
1674 | out: | |
1675 | mutex_unlock(&ar->conf_mutex); | |
1676 | return ret; | |
1677 | } | |
1678 | ||
1679 | static ssize_t ath10k_read_pktlog_filter(struct file *file, char __user *ubuf, | |
1680 | size_t count, loff_t *ppos) | |
1681 | { | |
1682 | char buf[32]; | |
1683 | struct ath10k *ar = file->private_data; | |
1684 | int len = 0; | |
1685 | ||
1686 | mutex_lock(&ar->conf_mutex); | |
1687 | len = scnprintf(buf, sizeof(buf) - len, "%08x\n", | |
1688 | ar->debug.pktlog_filter); | |
1689 | mutex_unlock(&ar->conf_mutex); | |
1690 | ||
1691 | return simple_read_from_buffer(ubuf, count, ppos, buf, len); | |
1692 | } | |
1693 | ||
1694 | static const struct file_operations fops_pktlog_filter = { | |
1695 | .read = ath10k_read_pktlog_filter, | |
1696 | .write = ath10k_write_pktlog_filter, | |
1697 | .open = simple_open | |
1698 | }; | |
1699 | ||
5e3dd157 KV |
1700 | int ath10k_debug_create(struct ath10k *ar) |
1701 | { | |
384914b2 | 1702 | ar->debug.fw_crash_data = vzalloc(sizeof(*ar->debug.fw_crash_data)); |
e13cf7a3 MK |
1703 | if (!ar->debug.fw_crash_data) |
1704 | return -ENOMEM; | |
384914b2 | 1705 | |
5326849a MK |
1706 | INIT_LIST_HEAD(&ar->debug.fw_stats.pdevs); |
1707 | INIT_LIST_HEAD(&ar->debug.fw_stats.peers); | |
1708 | ||
e13cf7a3 MK |
1709 | return 0; |
1710 | } | |
1711 | ||
1712 | void ath10k_debug_destroy(struct ath10k *ar) | |
1713 | { | |
1714 | vfree(ar->debug.fw_crash_data); | |
1715 | ar->debug.fw_crash_data = NULL; | |
5326849a MK |
1716 | |
1717 | ath10k_debug_fw_stats_reset(ar); | |
e13cf7a3 MK |
1718 | } |
1719 | ||
1720 | int ath10k_debug_register(struct ath10k *ar) | |
1721 | { | |
5e3dd157 KV |
1722 | ar->debug.debugfs_phy = debugfs_create_dir("ath10k", |
1723 | ar->hw->wiphy->debugfsdir); | |
adb43b24 MK |
1724 | if (IS_ERR_OR_NULL(ar->debug.debugfs_phy)) { |
1725 | if (IS_ERR(ar->debug.debugfs_phy)) | |
1726 | return PTR_ERR(ar->debug.debugfs_phy); | |
d8bb26b9 KV |
1727 | |
1728 | return -ENOMEM; | |
adb43b24 | 1729 | } |
5e3dd157 | 1730 | |
a3d135e5 KV |
1731 | INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork, |
1732 | ath10k_debug_htt_stats_dwork); | |
1733 | ||
60ef401a | 1734 | init_completion(&ar->debug.fw_stats_complete); |
5e3dd157 KV |
1735 | |
1736 | debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar, | |
1737 | &fops_fw_stats); | |
1738 | ||
f51dbe73 BG |
1739 | debugfs_create_file("fw_reset_stats", S_IRUSR, ar->debug.debugfs_phy, |
1740 | ar, &fops_fw_reset_stats); | |
1741 | ||
5e3dd157 KV |
1742 | debugfs_create_file("wmi_services", S_IRUSR, ar->debug.debugfs_phy, ar, |
1743 | &fops_wmi_services); | |
1744 | ||
278c4a85 MK |
1745 | debugfs_create_file("simulate_fw_crash", S_IRUSR, ar->debug.debugfs_phy, |
1746 | ar, &fops_simulate_fw_crash); | |
1747 | ||
384914b2 BG |
1748 | debugfs_create_file("fw_crash_dump", S_IRUSR, ar->debug.debugfs_phy, |
1749 | ar, &fops_fw_crash_dump); | |
1750 | ||
077a3804 YL |
1751 | debugfs_create_file("reg_addr", S_IRUSR | S_IWUSR, |
1752 | ar->debug.debugfs_phy, ar, &fops_reg_addr); | |
1753 | ||
1754 | debugfs_create_file("reg_value", S_IRUSR | S_IWUSR, | |
1755 | ar->debug.debugfs_phy, ar, &fops_reg_value); | |
1756 | ||
763b8cd3 KV |
1757 | debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy, |
1758 | ar, &fops_chip_id); | |
1759 | ||
a3d135e5 KV |
1760 | debugfs_create_file("htt_stats_mask", S_IRUSR, ar->debug.debugfs_phy, |
1761 | ar, &fops_htt_stats_mask); | |
1762 | ||
d385623a JD |
1763 | debugfs_create_file("htt_max_amsdu_ampdu", S_IRUSR | S_IWUSR, |
1764 | ar->debug.debugfs_phy, ar, | |
1765 | &fops_htt_max_amsdu_ampdu); | |
1766 | ||
f118a3e5 KV |
1767 | debugfs_create_file("fw_dbglog", S_IRUSR, ar->debug.debugfs_phy, |
1768 | ar, &fops_fw_dbglog); | |
1769 | ||
7869b4fa KV |
1770 | debugfs_create_file("cal_data", S_IRUSR, ar->debug.debugfs_phy, |
1771 | ar, &fops_cal_data); | |
1772 | ||
9702c686 JD |
1773 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) { |
1774 | debugfs_create_file("dfs_simulate_radar", S_IWUSR, | |
1775 | ar->debug.debugfs_phy, ar, | |
1776 | &fops_simulate_radar); | |
1777 | ||
7d9b40b4 MP |
1778 | debugfs_create_bool("dfs_block_radar_events", S_IWUSR, |
1779 | ar->debug.debugfs_phy, | |
1780 | &ar->dfs_block_radar_events); | |
1781 | ||
9702c686 JD |
1782 | debugfs_create_file("dfs_stats", S_IRUSR, |
1783 | ar->debug.debugfs_phy, ar, | |
1784 | &fops_dfs_stats); | |
1785 | } | |
1786 | ||
90174455 RM |
1787 | debugfs_create_file("pktlog_filter", S_IRUGO | S_IWUSR, |
1788 | ar->debug.debugfs_phy, ar, &fops_pktlog_filter); | |
1789 | ||
5e3dd157 KV |
1790 | return 0; |
1791 | } | |
db66ea04 | 1792 | |
e13cf7a3 | 1793 | void ath10k_debug_unregister(struct ath10k *ar) |
60631c5c KV |
1794 | { |
1795 | cancel_delayed_work_sync(&ar->debug.htt_stats_dwork); | |
1796 | } | |
1797 | ||
5e3dd157 KV |
1798 | #endif /* CONFIG_ATH10K_DEBUGFS */ |
1799 | ||
1800 | #ifdef CONFIG_ATH10K_DEBUG | |
7aa7a72a MK |
1801 | void ath10k_dbg(struct ath10k *ar, enum ath10k_debug_mask mask, |
1802 | const char *fmt, ...) | |
5e3dd157 KV |
1803 | { |
1804 | struct va_format vaf; | |
1805 | va_list args; | |
1806 | ||
1807 | va_start(args, fmt); | |
1808 | ||
1809 | vaf.fmt = fmt; | |
1810 | vaf.va = &args; | |
1811 | ||
1812 | if (ath10k_debug_mask & mask) | |
7aa7a72a | 1813 | dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf); |
5e3dd157 | 1814 | |
d35a6c18 | 1815 | trace_ath10k_log_dbg(ar, mask, &vaf); |
5e3dd157 KV |
1816 | |
1817 | va_end(args); | |
1818 | } | |
1819 | EXPORT_SYMBOL(ath10k_dbg); | |
1820 | ||
7aa7a72a MK |
1821 | void ath10k_dbg_dump(struct ath10k *ar, |
1822 | enum ath10k_debug_mask mask, | |
5e3dd157 KV |
1823 | const char *msg, const char *prefix, |
1824 | const void *buf, size_t len) | |
1825 | { | |
45724a8a MK |
1826 | char linebuf[256]; |
1827 | unsigned int linebuflen; | |
1828 | const void *ptr; | |
1829 | ||
5e3dd157 KV |
1830 | if (ath10k_debug_mask & mask) { |
1831 | if (msg) | |
7aa7a72a | 1832 | ath10k_dbg(ar, mask, "%s\n", msg); |
5e3dd157 | 1833 | |
45724a8a MK |
1834 | for (ptr = buf; (ptr - buf) < len; ptr += 16) { |
1835 | linebuflen = 0; | |
1836 | linebuflen += scnprintf(linebuf + linebuflen, | |
1837 | sizeof(linebuf) - linebuflen, | |
1838 | "%s%08x: ", | |
1839 | (prefix ? prefix : ""), | |
1840 | (unsigned int)(ptr - buf)); | |
1841 | hex_dump_to_buffer(ptr, len - (ptr - buf), 16, 1, | |
1842 | linebuf + linebuflen, | |
1843 | sizeof(linebuf) - linebuflen, true); | |
1844 | dev_printk(KERN_DEBUG, ar->dev, "%s\n", linebuf); | |
1845 | } | |
5e3dd157 KV |
1846 | } |
1847 | ||
1848 | /* tracing code doesn't like null strings :/ */ | |
d35a6c18 | 1849 | trace_ath10k_log_dbg_dump(ar, msg ? msg : "", prefix ? prefix : "", |
5e3dd157 KV |
1850 | buf, len); |
1851 | } | |
1852 | EXPORT_SYMBOL(ath10k_dbg_dump); | |
1853 | ||
1854 | #endif /* CONFIG_ATH10K_DEBUG */ |