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1 | /* | |
2 | * Copyright (c) 2005-2011 Atheros Communications Inc. | |
3 | * Copyright (c) 2011-2013 Qualcomm Atheros, Inc. | |
4 | * | |
5 | * Permission to use, copy, modify, and/or distribute this software for any | |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
8 | * | |
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
16 | */ | |
17 | ||
18 | #include <linux/module.h> | |
19 | #include <linux/debugfs.h> | |
20 | #include <linux/vmalloc.h> | |
21 | #include <linux/utsname.h> | |
22 | #include <linux/crc32.h> | |
23 | #include <linux/firmware.h> | |
24 | ||
25 | #include "core.h" | |
26 | #include "debug.h" | |
27 | #include "hif.h" | |
28 | #include "wmi-ops.h" | |
29 | ||
30 | /* ms */ | |
31 | #define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000 | |
32 | ||
33 | #define ATH10K_FW_CRASH_DUMP_VERSION 1 | |
34 | ||
35 | /** | |
36 | * enum ath10k_fw_crash_dump_type - types of data in the dump file | |
37 | * @ATH10K_FW_CRASH_DUMP_REGDUMP: Register crash dump in binary format | |
38 | */ | |
39 | enum ath10k_fw_crash_dump_type { | |
40 | ATH10K_FW_CRASH_DUMP_REGISTERS = 0, | |
41 | ||
42 | ATH10K_FW_CRASH_DUMP_MAX, | |
43 | }; | |
44 | ||
45 | struct ath10k_tlv_dump_data { | |
46 | /* see ath10k_fw_crash_dump_type above */ | |
47 | __le32 type; | |
48 | ||
49 | /* in bytes */ | |
50 | __le32 tlv_len; | |
51 | ||
52 | /* pad to 32-bit boundaries as needed */ | |
53 | u8 tlv_data[]; | |
54 | } __packed; | |
55 | ||
56 | struct ath10k_dump_file_data { | |
57 | /* dump file information */ | |
58 | ||
59 | /* "ATH10K-FW-DUMP" */ | |
60 | char df_magic[16]; | |
61 | ||
62 | __le32 len; | |
63 | ||
64 | /* file dump version */ | |
65 | __le32 version; | |
66 | ||
67 | /* some info we can get from ath10k struct that might help */ | |
68 | ||
69 | u8 uuid[16]; | |
70 | ||
71 | __le32 chip_id; | |
72 | ||
73 | /* 0 for now, in place for later hardware */ | |
74 | __le32 bus_type; | |
75 | ||
76 | __le32 target_version; | |
77 | __le32 fw_version_major; | |
78 | __le32 fw_version_minor; | |
79 | __le32 fw_version_release; | |
80 | __le32 fw_version_build; | |
81 | __le32 phy_capability; | |
82 | __le32 hw_min_tx_power; | |
83 | __le32 hw_max_tx_power; | |
84 | __le32 ht_cap_info; | |
85 | __le32 vht_cap_info; | |
86 | __le32 num_rf_chains; | |
87 | ||
88 | /* firmware version string */ | |
89 | char fw_ver[ETHTOOL_FWVERS_LEN]; | |
90 | ||
91 | /* Kernel related information */ | |
92 | ||
93 | /* time-of-day stamp */ | |
94 | __le64 tv_sec; | |
95 | ||
96 | /* time-of-day stamp, nano-seconds */ | |
97 | __le64 tv_nsec; | |
98 | ||
99 | /* LINUX_VERSION_CODE */ | |
100 | __le32 kernel_ver_code; | |
101 | ||
102 | /* VERMAGIC_STRING */ | |
103 | char kernel_ver[64]; | |
104 | ||
105 | /* room for growth w/out changing binary format */ | |
106 | u8 unused[128]; | |
107 | ||
108 | /* struct ath10k_tlv_dump_data + more */ | |
109 | u8 data[0]; | |
110 | } __packed; | |
111 | ||
112 | void ath10k_info(struct ath10k *ar, const char *fmt, ...) | |
113 | { | |
114 | struct va_format vaf = { | |
115 | .fmt = fmt, | |
116 | }; | |
117 | va_list args; | |
118 | ||
119 | va_start(args, fmt); | |
120 | vaf.va = &args; | |
121 | dev_info(ar->dev, "%pV", &vaf); | |
122 | trace_ath10k_log_info(ar, &vaf); | |
123 | va_end(args); | |
124 | } | |
125 | EXPORT_SYMBOL(ath10k_info); | |
126 | ||
127 | void ath10k_debug_print_hwfw_info(struct ath10k *ar) | |
128 | { | |
129 | char fw_features[128] = {}; | |
130 | ||
131 | ath10k_core_get_fw_features_str(ar, fw_features, sizeof(fw_features)); | |
132 | ||
133 | ath10k_info(ar, "%s target 0x%08x chip_id 0x%08x sub %04x:%04x", | |
134 | ar->hw_params.name, | |
135 | ar->target_version, | |
136 | ar->chip_id, | |
137 | ar->id.subsystem_vendor, ar->id.subsystem_device); | |
138 | ||
139 | ath10k_info(ar, "kconfig debug %d debugfs %d tracing %d dfs %d testmode %d\n", | |
140 | config_enabled(CONFIG_ATH10K_DEBUG), | |
141 | config_enabled(CONFIG_ATH10K_DEBUGFS), | |
142 | config_enabled(CONFIG_ATH10K_TRACING), | |
143 | config_enabled(CONFIG_ATH10K_DFS_CERTIFIED), | |
144 | config_enabled(CONFIG_NL80211_TESTMODE)); | |
145 | ||
146 | ath10k_info(ar, "firmware ver %s api %d features %s crc32 %08x\n", | |
147 | ar->hw->wiphy->fw_version, | |
148 | ar->fw_api, | |
149 | fw_features, | |
150 | crc32_le(0, ar->firmware->data, ar->firmware->size)); | |
151 | } | |
152 | ||
153 | void ath10k_debug_print_board_info(struct ath10k *ar) | |
154 | { | |
155 | char boardinfo[100]; | |
156 | ||
157 | if (ar->id.bmi_ids_valid) | |
158 | scnprintf(boardinfo, sizeof(boardinfo), "%d:%d", | |
159 | ar->id.bmi_chip_id, ar->id.bmi_board_id); | |
160 | else | |
161 | scnprintf(boardinfo, sizeof(boardinfo), "N/A"); | |
162 | ||
163 | ath10k_info(ar, "board_file api %d bmi_id %s crc32 %08x", | |
164 | ar->bd_api, | |
165 | boardinfo, | |
166 | crc32_le(0, ar->board->data, ar->board->size)); | |
167 | } | |
168 | ||
169 | void ath10k_debug_print_boot_info(struct ath10k *ar) | |
170 | { | |
171 | ath10k_info(ar, "htt-ver %d.%d wmi-op %d htt-op %d cal %s max-sta %d raw %d hwcrypto %d\n", | |
172 | ar->htt.target_version_major, | |
173 | ar->htt.target_version_minor, | |
174 | ar->wmi.op_version, | |
175 | ar->htt.op_version, | |
176 | ath10k_cal_mode_str(ar->cal_mode), | |
177 | ar->max_num_stations, | |
178 | test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags), | |
179 | !test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags)); | |
180 | } | |
181 | ||
182 | void ath10k_print_driver_info(struct ath10k *ar) | |
183 | { | |
184 | ath10k_debug_print_hwfw_info(ar); | |
185 | ath10k_debug_print_board_info(ar); | |
186 | ath10k_debug_print_boot_info(ar); | |
187 | } | |
188 | EXPORT_SYMBOL(ath10k_print_driver_info); | |
189 | ||
190 | void ath10k_err(struct ath10k *ar, const char *fmt, ...) | |
191 | { | |
192 | struct va_format vaf = { | |
193 | .fmt = fmt, | |
194 | }; | |
195 | va_list args; | |
196 | ||
197 | va_start(args, fmt); | |
198 | vaf.va = &args; | |
199 | dev_err(ar->dev, "%pV", &vaf); | |
200 | trace_ath10k_log_err(ar, &vaf); | |
201 | va_end(args); | |
202 | } | |
203 | EXPORT_SYMBOL(ath10k_err); | |
204 | ||
205 | void ath10k_warn(struct ath10k *ar, const char *fmt, ...) | |
206 | { | |
207 | struct va_format vaf = { | |
208 | .fmt = fmt, | |
209 | }; | |
210 | va_list args; | |
211 | ||
212 | va_start(args, fmt); | |
213 | vaf.va = &args; | |
214 | dev_warn_ratelimited(ar->dev, "%pV", &vaf); | |
215 | trace_ath10k_log_warn(ar, &vaf); | |
216 | ||
217 | va_end(args); | |
218 | } | |
219 | EXPORT_SYMBOL(ath10k_warn); | |
220 | ||
221 | #ifdef CONFIG_ATH10K_DEBUGFS | |
222 | ||
223 | static ssize_t ath10k_read_wmi_services(struct file *file, | |
224 | char __user *user_buf, | |
225 | size_t count, loff_t *ppos) | |
226 | { | |
227 | struct ath10k *ar = file->private_data; | |
228 | char *buf; | |
229 | unsigned int len = 0, buf_len = 4096; | |
230 | const char *name; | |
231 | ssize_t ret_cnt; | |
232 | bool enabled; | |
233 | int i; | |
234 | ||
235 | buf = kzalloc(buf_len, GFP_KERNEL); | |
236 | if (!buf) | |
237 | return -ENOMEM; | |
238 | ||
239 | mutex_lock(&ar->conf_mutex); | |
240 | ||
241 | if (len > buf_len) | |
242 | len = buf_len; | |
243 | ||
244 | spin_lock_bh(&ar->data_lock); | |
245 | for (i = 0; i < WMI_SERVICE_MAX; i++) { | |
246 | enabled = test_bit(i, ar->wmi.svc_map); | |
247 | name = wmi_service_name(i); | |
248 | ||
249 | if (!name) { | |
250 | if (enabled) | |
251 | len += scnprintf(buf + len, buf_len - len, | |
252 | "%-40s %s (bit %d)\n", | |
253 | "unknown", "enabled", i); | |
254 | ||
255 | continue; | |
256 | } | |
257 | ||
258 | len += scnprintf(buf + len, buf_len - len, | |
259 | "%-40s %s\n", | |
260 | name, enabled ? "enabled" : "-"); | |
261 | } | |
262 | spin_unlock_bh(&ar->data_lock); | |
263 | ||
264 | ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
265 | ||
266 | mutex_unlock(&ar->conf_mutex); | |
267 | ||
268 | kfree(buf); | |
269 | return ret_cnt; | |
270 | } | |
271 | ||
272 | static const struct file_operations fops_wmi_services = { | |
273 | .read = ath10k_read_wmi_services, | |
274 | .open = simple_open, | |
275 | .owner = THIS_MODULE, | |
276 | .llseek = default_llseek, | |
277 | }; | |
278 | ||
279 | static void ath10k_fw_stats_pdevs_free(struct list_head *head) | |
280 | { | |
281 | struct ath10k_fw_stats_pdev *i, *tmp; | |
282 | ||
283 | list_for_each_entry_safe(i, tmp, head, list) { | |
284 | list_del(&i->list); | |
285 | kfree(i); | |
286 | } | |
287 | } | |
288 | ||
289 | static void ath10k_fw_stats_vdevs_free(struct list_head *head) | |
290 | { | |
291 | struct ath10k_fw_stats_vdev *i, *tmp; | |
292 | ||
293 | list_for_each_entry_safe(i, tmp, head, list) { | |
294 | list_del(&i->list); | |
295 | kfree(i); | |
296 | } | |
297 | } | |
298 | ||
299 | static void ath10k_fw_stats_peers_free(struct list_head *head) | |
300 | { | |
301 | struct ath10k_fw_stats_peer *i, *tmp; | |
302 | ||
303 | list_for_each_entry_safe(i, tmp, head, list) { | |
304 | list_del(&i->list); | |
305 | kfree(i); | |
306 | } | |
307 | } | |
308 | ||
309 | static void ath10k_debug_fw_stats_reset(struct ath10k *ar) | |
310 | { | |
311 | spin_lock_bh(&ar->data_lock); | |
312 | ar->debug.fw_stats_done = false; | |
313 | ath10k_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs); | |
314 | ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs); | |
315 | ath10k_fw_stats_peers_free(&ar->debug.fw_stats.peers); | |
316 | spin_unlock_bh(&ar->data_lock); | |
317 | } | |
318 | ||
319 | void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb) | |
320 | { | |
321 | struct ath10k_fw_stats stats = {}; | |
322 | bool is_start, is_started, is_end, peer_stats_svc; | |
323 | size_t num_peers; | |
324 | size_t num_vdevs; | |
325 | int ret; | |
326 | ||
327 | INIT_LIST_HEAD(&stats.pdevs); | |
328 | INIT_LIST_HEAD(&stats.vdevs); | |
329 | INIT_LIST_HEAD(&stats.peers); | |
330 | ||
331 | spin_lock_bh(&ar->data_lock); | |
332 | ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats); | |
333 | if (ret) { | |
334 | ath10k_warn(ar, "failed to pull fw stats: %d\n", ret); | |
335 | goto free; | |
336 | } | |
337 | ||
338 | /* Stat data may exceed htc-wmi buffer limit. In such case firmware | |
339 | * splits the stats data and delivers it in a ping-pong fashion of | |
340 | * request cmd-update event. | |
341 | * | |
342 | * However there is no explicit end-of-data. Instead start-of-data is | |
343 | * used as an implicit one. This works as follows: | |
344 | * a) discard stat update events until one with pdev stats is | |
345 | * delivered - this skips session started at end of (b) | |
346 | * b) consume stat update events until another one with pdev stats is | |
347 | * delivered which is treated as end-of-data and is itself discarded | |
348 | */ | |
349 | ||
350 | peer_stats_svc = test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map); | |
351 | if (peer_stats_svc) | |
352 | ath10k_sta_update_rx_duration(ar, &stats.peers); | |
353 | ||
354 | if (ar->debug.fw_stats_done && !peer_stats_svc) { | |
355 | ath10k_warn(ar, "received unsolicited stats update event\n"); | |
356 | goto free; | |
357 | } | |
358 | ||
359 | num_peers = ath10k_wmi_fw_stats_num_peers(&ar->debug.fw_stats.peers); | |
360 | num_vdevs = ath10k_wmi_fw_stats_num_vdevs(&ar->debug.fw_stats.vdevs); | |
361 | is_start = (list_empty(&ar->debug.fw_stats.pdevs) && | |
362 | !list_empty(&stats.pdevs)); | |
363 | is_end = (!list_empty(&ar->debug.fw_stats.pdevs) && | |
364 | !list_empty(&stats.pdevs)); | |
365 | ||
366 | if (is_start) | |
367 | list_splice_tail_init(&stats.pdevs, &ar->debug.fw_stats.pdevs); | |
368 | ||
369 | if (is_end) | |
370 | ar->debug.fw_stats_done = true; | |
371 | ||
372 | is_started = !list_empty(&ar->debug.fw_stats.pdevs); | |
373 | ||
374 | if (is_started && !is_end) { | |
375 | if (num_peers >= ATH10K_MAX_NUM_PEER_IDS) { | |
376 | /* Although this is unlikely impose a sane limit to | |
377 | * prevent firmware from DoS-ing the host. | |
378 | */ | |
379 | ath10k_fw_stats_peers_free(&ar->debug.fw_stats.peers); | |
380 | ath10k_warn(ar, "dropping fw peer stats\n"); | |
381 | goto free; | |
382 | } | |
383 | ||
384 | if (num_vdevs >= BITS_PER_LONG) { | |
385 | ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs); | |
386 | ath10k_warn(ar, "dropping fw vdev stats\n"); | |
387 | goto free; | |
388 | } | |
389 | ||
390 | list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers); | |
391 | list_splice_tail_init(&stats.vdevs, &ar->debug.fw_stats.vdevs); | |
392 | } | |
393 | ||
394 | complete(&ar->debug.fw_stats_complete); | |
395 | ||
396 | free: | |
397 | /* In some cases lists have been spliced and cleared. Free up | |
398 | * resources if that is not the case. | |
399 | */ | |
400 | ath10k_fw_stats_pdevs_free(&stats.pdevs); | |
401 | ath10k_fw_stats_vdevs_free(&stats.vdevs); | |
402 | ath10k_fw_stats_peers_free(&stats.peers); | |
403 | ||
404 | spin_unlock_bh(&ar->data_lock); | |
405 | } | |
406 | ||
407 | static int ath10k_debug_fw_stats_request(struct ath10k *ar) | |
408 | { | |
409 | unsigned long timeout, time_left; | |
410 | int ret; | |
411 | ||
412 | lockdep_assert_held(&ar->conf_mutex); | |
413 | ||
414 | timeout = jiffies + msecs_to_jiffies(1 * HZ); | |
415 | ||
416 | ath10k_debug_fw_stats_reset(ar); | |
417 | ||
418 | for (;;) { | |
419 | if (time_after(jiffies, timeout)) | |
420 | return -ETIMEDOUT; | |
421 | ||
422 | reinit_completion(&ar->debug.fw_stats_complete); | |
423 | ||
424 | ret = ath10k_wmi_request_stats(ar, ar->fw_stats_req_mask); | |
425 | if (ret) { | |
426 | ath10k_warn(ar, "could not request stats (%d)\n", ret); | |
427 | return ret; | |
428 | } | |
429 | ||
430 | time_left = | |
431 | wait_for_completion_timeout(&ar->debug.fw_stats_complete, | |
432 | 1 * HZ); | |
433 | if (!time_left) | |
434 | return -ETIMEDOUT; | |
435 | ||
436 | spin_lock_bh(&ar->data_lock); | |
437 | if (ar->debug.fw_stats_done) { | |
438 | spin_unlock_bh(&ar->data_lock); | |
439 | break; | |
440 | } | |
441 | spin_unlock_bh(&ar->data_lock); | |
442 | } | |
443 | ||
444 | return 0; | |
445 | } | |
446 | ||
447 | static int ath10k_fw_stats_open(struct inode *inode, struct file *file) | |
448 | { | |
449 | struct ath10k *ar = inode->i_private; | |
450 | void *buf = NULL; | |
451 | int ret; | |
452 | ||
453 | mutex_lock(&ar->conf_mutex); | |
454 | ||
455 | if (ar->state != ATH10K_STATE_ON) { | |
456 | ret = -ENETDOWN; | |
457 | goto err_unlock; | |
458 | } | |
459 | ||
460 | buf = vmalloc(ATH10K_FW_STATS_BUF_SIZE); | |
461 | if (!buf) { | |
462 | ret = -ENOMEM; | |
463 | goto err_unlock; | |
464 | } | |
465 | ||
466 | ret = ath10k_debug_fw_stats_request(ar); | |
467 | if (ret) { | |
468 | ath10k_warn(ar, "failed to request fw stats: %d\n", ret); | |
469 | goto err_free; | |
470 | } | |
471 | ||
472 | ret = ath10k_wmi_fw_stats_fill(ar, &ar->debug.fw_stats, buf); | |
473 | if (ret) { | |
474 | ath10k_warn(ar, "failed to fill fw stats: %d\n", ret); | |
475 | goto err_free; | |
476 | } | |
477 | ||
478 | file->private_data = buf; | |
479 | ||
480 | mutex_unlock(&ar->conf_mutex); | |
481 | return 0; | |
482 | ||
483 | err_free: | |
484 | vfree(buf); | |
485 | ||
486 | err_unlock: | |
487 | mutex_unlock(&ar->conf_mutex); | |
488 | return ret; | |
489 | } | |
490 | ||
491 | static int ath10k_fw_stats_release(struct inode *inode, struct file *file) | |
492 | { | |
493 | vfree(file->private_data); | |
494 | ||
495 | return 0; | |
496 | } | |
497 | ||
498 | static ssize_t ath10k_fw_stats_read(struct file *file, char __user *user_buf, | |
499 | size_t count, loff_t *ppos) | |
500 | { | |
501 | const char *buf = file->private_data; | |
502 | unsigned int len = strlen(buf); | |
503 | ||
504 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
505 | } | |
506 | ||
507 | static const struct file_operations fops_fw_stats = { | |
508 | .open = ath10k_fw_stats_open, | |
509 | .release = ath10k_fw_stats_release, | |
510 | .read = ath10k_fw_stats_read, | |
511 | .owner = THIS_MODULE, | |
512 | .llseek = default_llseek, | |
513 | }; | |
514 | ||
515 | static ssize_t ath10k_debug_fw_reset_stats_read(struct file *file, | |
516 | char __user *user_buf, | |
517 | size_t count, loff_t *ppos) | |
518 | { | |
519 | struct ath10k *ar = file->private_data; | |
520 | int ret, len, buf_len; | |
521 | char *buf; | |
522 | ||
523 | buf_len = 500; | |
524 | buf = kmalloc(buf_len, GFP_KERNEL); | |
525 | if (!buf) | |
526 | return -ENOMEM; | |
527 | ||
528 | spin_lock_bh(&ar->data_lock); | |
529 | ||
530 | len = 0; | |
531 | len += scnprintf(buf + len, buf_len - len, | |
532 | "fw_crash_counter\t\t%d\n", ar->stats.fw_crash_counter); | |
533 | len += scnprintf(buf + len, buf_len - len, | |
534 | "fw_warm_reset_counter\t\t%d\n", | |
535 | ar->stats.fw_warm_reset_counter); | |
536 | len += scnprintf(buf + len, buf_len - len, | |
537 | "fw_cold_reset_counter\t\t%d\n", | |
538 | ar->stats.fw_cold_reset_counter); | |
539 | ||
540 | spin_unlock_bh(&ar->data_lock); | |
541 | ||
542 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
543 | ||
544 | kfree(buf); | |
545 | ||
546 | return ret; | |
547 | } | |
548 | ||
549 | static const struct file_operations fops_fw_reset_stats = { | |
550 | .open = simple_open, | |
551 | .read = ath10k_debug_fw_reset_stats_read, | |
552 | .owner = THIS_MODULE, | |
553 | .llseek = default_llseek, | |
554 | }; | |
555 | ||
556 | /* This is a clean assert crash in firmware. */ | |
557 | static int ath10k_debug_fw_assert(struct ath10k *ar) | |
558 | { | |
559 | struct wmi_vdev_install_key_cmd *cmd; | |
560 | struct sk_buff *skb; | |
561 | ||
562 | skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd) + 16); | |
563 | if (!skb) | |
564 | return -ENOMEM; | |
565 | ||
566 | cmd = (struct wmi_vdev_install_key_cmd *)skb->data; | |
567 | memset(cmd, 0, sizeof(*cmd)); | |
568 | ||
569 | /* big enough number so that firmware asserts */ | |
570 | cmd->vdev_id = __cpu_to_le32(0x7ffe); | |
571 | ||
572 | return ath10k_wmi_cmd_send(ar, skb, | |
573 | ar->wmi.cmd->vdev_install_key_cmdid); | |
574 | } | |
575 | ||
576 | static ssize_t ath10k_read_simulate_fw_crash(struct file *file, | |
577 | char __user *user_buf, | |
578 | size_t count, loff_t *ppos) | |
579 | { | |
580 | const char buf[] = | |
581 | "To simulate firmware crash write one of the keywords to this file:\n" | |
582 | "`soft` - this will send WMI_FORCE_FW_HANG_ASSERT to firmware if FW supports that command.\n" | |
583 | "`hard` - this will send to firmware command with illegal parameters causing firmware crash.\n" | |
584 | "`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n" | |
585 | "`hw-restart` - this will simply queue hw restart without fw/hw actually crashing.\n"; | |
586 | ||
587 | return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); | |
588 | } | |
589 | ||
590 | /* Simulate firmware crash: | |
591 | * 'soft': Call wmi command causing firmware hang. This firmware hang is | |
592 | * recoverable by warm firmware reset. | |
593 | * 'hard': Force firmware crash by setting any vdev parameter for not allowed | |
594 | * vdev id. This is hard firmware crash because it is recoverable only by cold | |
595 | * firmware reset. | |
596 | */ | |
597 | static ssize_t ath10k_write_simulate_fw_crash(struct file *file, | |
598 | const char __user *user_buf, | |
599 | size_t count, loff_t *ppos) | |
600 | { | |
601 | struct ath10k *ar = file->private_data; | |
602 | char buf[32]; | |
603 | int ret; | |
604 | ||
605 | mutex_lock(&ar->conf_mutex); | |
606 | ||
607 | simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); | |
608 | ||
609 | /* make sure that buf is null terminated */ | |
610 | buf[sizeof(buf) - 1] = 0; | |
611 | ||
612 | if (ar->state != ATH10K_STATE_ON && | |
613 | ar->state != ATH10K_STATE_RESTARTED) { | |
614 | ret = -ENETDOWN; | |
615 | goto exit; | |
616 | } | |
617 | ||
618 | /* drop the possible '\n' from the end */ | |
619 | if (buf[count - 1] == '\n') { | |
620 | buf[count - 1] = 0; | |
621 | count--; | |
622 | } | |
623 | ||
624 | if (!strcmp(buf, "soft")) { | |
625 | ath10k_info(ar, "simulating soft firmware crash\n"); | |
626 | ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0); | |
627 | } else if (!strcmp(buf, "hard")) { | |
628 | ath10k_info(ar, "simulating hard firmware crash\n"); | |
629 | /* 0x7fff is vdev id, and it is always out of range for all | |
630 | * firmware variants in order to force a firmware crash. | |
631 | */ | |
632 | ret = ath10k_wmi_vdev_set_param(ar, 0x7fff, | |
633 | ar->wmi.vdev_param->rts_threshold, | |
634 | 0); | |
635 | } else if (!strcmp(buf, "assert")) { | |
636 | ath10k_info(ar, "simulating firmware assert crash\n"); | |
637 | ret = ath10k_debug_fw_assert(ar); | |
638 | } else if (!strcmp(buf, "hw-restart")) { | |
639 | ath10k_info(ar, "user requested hw restart\n"); | |
640 | queue_work(ar->workqueue, &ar->restart_work); | |
641 | ret = 0; | |
642 | } else { | |
643 | ret = -EINVAL; | |
644 | goto exit; | |
645 | } | |
646 | ||
647 | if (ret) { | |
648 | ath10k_warn(ar, "failed to simulate firmware crash: %d\n", ret); | |
649 | goto exit; | |
650 | } | |
651 | ||
652 | ret = count; | |
653 | ||
654 | exit: | |
655 | mutex_unlock(&ar->conf_mutex); | |
656 | return ret; | |
657 | } | |
658 | ||
659 | static const struct file_operations fops_simulate_fw_crash = { | |
660 | .read = ath10k_read_simulate_fw_crash, | |
661 | .write = ath10k_write_simulate_fw_crash, | |
662 | .open = simple_open, | |
663 | .owner = THIS_MODULE, | |
664 | .llseek = default_llseek, | |
665 | }; | |
666 | ||
667 | static ssize_t ath10k_read_chip_id(struct file *file, char __user *user_buf, | |
668 | size_t count, loff_t *ppos) | |
669 | { | |
670 | struct ath10k *ar = file->private_data; | |
671 | unsigned int len; | |
672 | char buf[50]; | |
673 | ||
674 | len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->chip_id); | |
675 | ||
676 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
677 | } | |
678 | ||
679 | static const struct file_operations fops_chip_id = { | |
680 | .read = ath10k_read_chip_id, | |
681 | .open = simple_open, | |
682 | .owner = THIS_MODULE, | |
683 | .llseek = default_llseek, | |
684 | }; | |
685 | ||
686 | struct ath10k_fw_crash_data * | |
687 | ath10k_debug_get_new_fw_crash_data(struct ath10k *ar) | |
688 | { | |
689 | struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data; | |
690 | ||
691 | lockdep_assert_held(&ar->data_lock); | |
692 | ||
693 | crash_data->crashed_since_read = true; | |
694 | uuid_le_gen(&crash_data->uuid); | |
695 | getnstimeofday(&crash_data->timestamp); | |
696 | ||
697 | return crash_data; | |
698 | } | |
699 | EXPORT_SYMBOL(ath10k_debug_get_new_fw_crash_data); | |
700 | ||
701 | static struct ath10k_dump_file_data *ath10k_build_dump_file(struct ath10k *ar) | |
702 | { | |
703 | struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data; | |
704 | struct ath10k_dump_file_data *dump_data; | |
705 | struct ath10k_tlv_dump_data *dump_tlv; | |
706 | int hdr_len = sizeof(*dump_data); | |
707 | unsigned int len, sofar = 0; | |
708 | unsigned char *buf; | |
709 | ||
710 | len = hdr_len; | |
711 | len += sizeof(*dump_tlv) + sizeof(crash_data->registers); | |
712 | ||
713 | sofar += hdr_len; | |
714 | ||
715 | /* This is going to get big when we start dumping FW RAM and such, | |
716 | * so go ahead and use vmalloc. | |
717 | */ | |
718 | buf = vzalloc(len); | |
719 | if (!buf) | |
720 | return NULL; | |
721 | ||
722 | spin_lock_bh(&ar->data_lock); | |
723 | ||
724 | if (!crash_data->crashed_since_read) { | |
725 | spin_unlock_bh(&ar->data_lock); | |
726 | vfree(buf); | |
727 | return NULL; | |
728 | } | |
729 | ||
730 | dump_data = (struct ath10k_dump_file_data *)(buf); | |
731 | strlcpy(dump_data->df_magic, "ATH10K-FW-DUMP", | |
732 | sizeof(dump_data->df_magic)); | |
733 | dump_data->len = cpu_to_le32(len); | |
734 | ||
735 | dump_data->version = cpu_to_le32(ATH10K_FW_CRASH_DUMP_VERSION); | |
736 | ||
737 | memcpy(dump_data->uuid, &crash_data->uuid, sizeof(dump_data->uuid)); | |
738 | dump_data->chip_id = cpu_to_le32(ar->chip_id); | |
739 | dump_data->bus_type = cpu_to_le32(0); | |
740 | dump_data->target_version = cpu_to_le32(ar->target_version); | |
741 | dump_data->fw_version_major = cpu_to_le32(ar->fw_version_major); | |
742 | dump_data->fw_version_minor = cpu_to_le32(ar->fw_version_minor); | |
743 | dump_data->fw_version_release = cpu_to_le32(ar->fw_version_release); | |
744 | dump_data->fw_version_build = cpu_to_le32(ar->fw_version_build); | |
745 | dump_data->phy_capability = cpu_to_le32(ar->phy_capability); | |
746 | dump_data->hw_min_tx_power = cpu_to_le32(ar->hw_min_tx_power); | |
747 | dump_data->hw_max_tx_power = cpu_to_le32(ar->hw_max_tx_power); | |
748 | dump_data->ht_cap_info = cpu_to_le32(ar->ht_cap_info); | |
749 | dump_data->vht_cap_info = cpu_to_le32(ar->vht_cap_info); | |
750 | dump_data->num_rf_chains = cpu_to_le32(ar->num_rf_chains); | |
751 | ||
752 | strlcpy(dump_data->fw_ver, ar->hw->wiphy->fw_version, | |
753 | sizeof(dump_data->fw_ver)); | |
754 | ||
755 | dump_data->kernel_ver_code = 0; | |
756 | strlcpy(dump_data->kernel_ver, init_utsname()->release, | |
757 | sizeof(dump_data->kernel_ver)); | |
758 | ||
759 | dump_data->tv_sec = cpu_to_le64(crash_data->timestamp.tv_sec); | |
760 | dump_data->tv_nsec = cpu_to_le64(crash_data->timestamp.tv_nsec); | |
761 | ||
762 | /* Gather crash-dump */ | |
763 | dump_tlv = (struct ath10k_tlv_dump_data *)(buf + sofar); | |
764 | dump_tlv->type = cpu_to_le32(ATH10K_FW_CRASH_DUMP_REGISTERS); | |
765 | dump_tlv->tlv_len = cpu_to_le32(sizeof(crash_data->registers)); | |
766 | memcpy(dump_tlv->tlv_data, &crash_data->registers, | |
767 | sizeof(crash_data->registers)); | |
768 | sofar += sizeof(*dump_tlv) + sizeof(crash_data->registers); | |
769 | ||
770 | ar->debug.fw_crash_data->crashed_since_read = false; | |
771 | ||
772 | spin_unlock_bh(&ar->data_lock); | |
773 | ||
774 | return dump_data; | |
775 | } | |
776 | ||
777 | static int ath10k_fw_crash_dump_open(struct inode *inode, struct file *file) | |
778 | { | |
779 | struct ath10k *ar = inode->i_private; | |
780 | struct ath10k_dump_file_data *dump; | |
781 | ||
782 | dump = ath10k_build_dump_file(ar); | |
783 | if (!dump) | |
784 | return -ENODATA; | |
785 | ||
786 | file->private_data = dump; | |
787 | ||
788 | return 0; | |
789 | } | |
790 | ||
791 | static ssize_t ath10k_fw_crash_dump_read(struct file *file, | |
792 | char __user *user_buf, | |
793 | size_t count, loff_t *ppos) | |
794 | { | |
795 | struct ath10k_dump_file_data *dump_file = file->private_data; | |
796 | ||
797 | return simple_read_from_buffer(user_buf, count, ppos, | |
798 | dump_file, | |
799 | le32_to_cpu(dump_file->len)); | |
800 | } | |
801 | ||
802 | static int ath10k_fw_crash_dump_release(struct inode *inode, | |
803 | struct file *file) | |
804 | { | |
805 | vfree(file->private_data); | |
806 | ||
807 | return 0; | |
808 | } | |
809 | ||
810 | static const struct file_operations fops_fw_crash_dump = { | |
811 | .open = ath10k_fw_crash_dump_open, | |
812 | .read = ath10k_fw_crash_dump_read, | |
813 | .release = ath10k_fw_crash_dump_release, | |
814 | .owner = THIS_MODULE, | |
815 | .llseek = default_llseek, | |
816 | }; | |
817 | ||
818 | static ssize_t ath10k_reg_addr_read(struct file *file, | |
819 | char __user *user_buf, | |
820 | size_t count, loff_t *ppos) | |
821 | { | |
822 | struct ath10k *ar = file->private_data; | |
823 | u8 buf[32]; | |
824 | unsigned int len = 0; | |
825 | u32 reg_addr; | |
826 | ||
827 | mutex_lock(&ar->conf_mutex); | |
828 | reg_addr = ar->debug.reg_addr; | |
829 | mutex_unlock(&ar->conf_mutex); | |
830 | ||
831 | len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n", reg_addr); | |
832 | ||
833 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
834 | } | |
835 | ||
836 | static ssize_t ath10k_reg_addr_write(struct file *file, | |
837 | const char __user *user_buf, | |
838 | size_t count, loff_t *ppos) | |
839 | { | |
840 | struct ath10k *ar = file->private_data; | |
841 | u32 reg_addr; | |
842 | int ret; | |
843 | ||
844 | ret = kstrtou32_from_user(user_buf, count, 0, ®_addr); | |
845 | if (ret) | |
846 | return ret; | |
847 | ||
848 | if (!IS_ALIGNED(reg_addr, 4)) | |
849 | return -EFAULT; | |
850 | ||
851 | mutex_lock(&ar->conf_mutex); | |
852 | ar->debug.reg_addr = reg_addr; | |
853 | mutex_unlock(&ar->conf_mutex); | |
854 | ||
855 | return count; | |
856 | } | |
857 | ||
858 | static const struct file_operations fops_reg_addr = { | |
859 | .read = ath10k_reg_addr_read, | |
860 | .write = ath10k_reg_addr_write, | |
861 | .open = simple_open, | |
862 | .owner = THIS_MODULE, | |
863 | .llseek = default_llseek, | |
864 | }; | |
865 | ||
866 | static ssize_t ath10k_reg_value_read(struct file *file, | |
867 | char __user *user_buf, | |
868 | size_t count, loff_t *ppos) | |
869 | { | |
870 | struct ath10k *ar = file->private_data; | |
871 | u8 buf[48]; | |
872 | unsigned int len; | |
873 | u32 reg_addr, reg_val; | |
874 | int ret; | |
875 | ||
876 | mutex_lock(&ar->conf_mutex); | |
877 | ||
878 | if (ar->state != ATH10K_STATE_ON && | |
879 | ar->state != ATH10K_STATE_UTF) { | |
880 | ret = -ENETDOWN; | |
881 | goto exit; | |
882 | } | |
883 | ||
884 | reg_addr = ar->debug.reg_addr; | |
885 | ||
886 | reg_val = ath10k_hif_read32(ar, reg_addr); | |
887 | len = scnprintf(buf, sizeof(buf), "0x%08x:0x%08x\n", reg_addr, reg_val); | |
888 | ||
889 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
890 | ||
891 | exit: | |
892 | mutex_unlock(&ar->conf_mutex); | |
893 | ||
894 | return ret; | |
895 | } | |
896 | ||
897 | static ssize_t ath10k_reg_value_write(struct file *file, | |
898 | const char __user *user_buf, | |
899 | size_t count, loff_t *ppos) | |
900 | { | |
901 | struct ath10k *ar = file->private_data; | |
902 | u32 reg_addr, reg_val; | |
903 | int ret; | |
904 | ||
905 | mutex_lock(&ar->conf_mutex); | |
906 | ||
907 | if (ar->state != ATH10K_STATE_ON && | |
908 | ar->state != ATH10K_STATE_UTF) { | |
909 | ret = -ENETDOWN; | |
910 | goto exit; | |
911 | } | |
912 | ||
913 | reg_addr = ar->debug.reg_addr; | |
914 | ||
915 | ret = kstrtou32_from_user(user_buf, count, 0, ®_val); | |
916 | if (ret) | |
917 | goto exit; | |
918 | ||
919 | ath10k_hif_write32(ar, reg_addr, reg_val); | |
920 | ||
921 | ret = count; | |
922 | ||
923 | exit: | |
924 | mutex_unlock(&ar->conf_mutex); | |
925 | ||
926 | return ret; | |
927 | } | |
928 | ||
929 | static const struct file_operations fops_reg_value = { | |
930 | .read = ath10k_reg_value_read, | |
931 | .write = ath10k_reg_value_write, | |
932 | .open = simple_open, | |
933 | .owner = THIS_MODULE, | |
934 | .llseek = default_llseek, | |
935 | }; | |
936 | ||
937 | static ssize_t ath10k_mem_value_read(struct file *file, | |
938 | char __user *user_buf, | |
939 | size_t count, loff_t *ppos) | |
940 | { | |
941 | struct ath10k *ar = file->private_data; | |
942 | u8 *buf; | |
943 | int ret; | |
944 | ||
945 | if (*ppos < 0) | |
946 | return -EINVAL; | |
947 | ||
948 | if (!count) | |
949 | return 0; | |
950 | ||
951 | mutex_lock(&ar->conf_mutex); | |
952 | ||
953 | buf = vmalloc(count); | |
954 | if (!buf) { | |
955 | ret = -ENOMEM; | |
956 | goto exit; | |
957 | } | |
958 | ||
959 | if (ar->state != ATH10K_STATE_ON && | |
960 | ar->state != ATH10K_STATE_UTF) { | |
961 | ret = -ENETDOWN; | |
962 | goto exit; | |
963 | } | |
964 | ||
965 | ret = ath10k_hif_diag_read(ar, *ppos, buf, count); | |
966 | if (ret) { | |
967 | ath10k_warn(ar, "failed to read address 0x%08x via diagnose window fnrom debugfs: %d\n", | |
968 | (u32)(*ppos), ret); | |
969 | goto exit; | |
970 | } | |
971 | ||
972 | ret = copy_to_user(user_buf, buf, count); | |
973 | if (ret) { | |
974 | ret = -EFAULT; | |
975 | goto exit; | |
976 | } | |
977 | ||
978 | count -= ret; | |
979 | *ppos += count; | |
980 | ret = count; | |
981 | ||
982 | exit: | |
983 | vfree(buf); | |
984 | mutex_unlock(&ar->conf_mutex); | |
985 | ||
986 | return ret; | |
987 | } | |
988 | ||
989 | static ssize_t ath10k_mem_value_write(struct file *file, | |
990 | const char __user *user_buf, | |
991 | size_t count, loff_t *ppos) | |
992 | { | |
993 | struct ath10k *ar = file->private_data; | |
994 | u8 *buf; | |
995 | int ret; | |
996 | ||
997 | if (*ppos < 0) | |
998 | return -EINVAL; | |
999 | ||
1000 | if (!count) | |
1001 | return 0; | |
1002 | ||
1003 | mutex_lock(&ar->conf_mutex); | |
1004 | ||
1005 | buf = vmalloc(count); | |
1006 | if (!buf) { | |
1007 | ret = -ENOMEM; | |
1008 | goto exit; | |
1009 | } | |
1010 | ||
1011 | if (ar->state != ATH10K_STATE_ON && | |
1012 | ar->state != ATH10K_STATE_UTF) { | |
1013 | ret = -ENETDOWN; | |
1014 | goto exit; | |
1015 | } | |
1016 | ||
1017 | ret = copy_from_user(buf, user_buf, count); | |
1018 | if (ret) { | |
1019 | ret = -EFAULT; | |
1020 | goto exit; | |
1021 | } | |
1022 | ||
1023 | ret = ath10k_hif_diag_write(ar, *ppos, buf, count); | |
1024 | if (ret) { | |
1025 | ath10k_warn(ar, "failed to write address 0x%08x via diagnose window from debugfs: %d\n", | |
1026 | (u32)(*ppos), ret); | |
1027 | goto exit; | |
1028 | } | |
1029 | ||
1030 | *ppos += count; | |
1031 | ret = count; | |
1032 | ||
1033 | exit: | |
1034 | vfree(buf); | |
1035 | mutex_unlock(&ar->conf_mutex); | |
1036 | ||
1037 | return ret; | |
1038 | } | |
1039 | ||
1040 | static const struct file_operations fops_mem_value = { | |
1041 | .read = ath10k_mem_value_read, | |
1042 | .write = ath10k_mem_value_write, | |
1043 | .open = simple_open, | |
1044 | .owner = THIS_MODULE, | |
1045 | .llseek = default_llseek, | |
1046 | }; | |
1047 | ||
1048 | static int ath10k_debug_htt_stats_req(struct ath10k *ar) | |
1049 | { | |
1050 | u64 cookie; | |
1051 | int ret; | |
1052 | ||
1053 | lockdep_assert_held(&ar->conf_mutex); | |
1054 | ||
1055 | if (ar->debug.htt_stats_mask == 0) | |
1056 | /* htt stats are disabled */ | |
1057 | return 0; | |
1058 | ||
1059 | if (ar->state != ATH10K_STATE_ON) | |
1060 | return 0; | |
1061 | ||
1062 | cookie = get_jiffies_64(); | |
1063 | ||
1064 | ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask, | |
1065 | cookie); | |
1066 | if (ret) { | |
1067 | ath10k_warn(ar, "failed to send htt stats request: %d\n", ret); | |
1068 | return ret; | |
1069 | } | |
1070 | ||
1071 | queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork, | |
1072 | msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL)); | |
1073 | ||
1074 | return 0; | |
1075 | } | |
1076 | ||
1077 | static void ath10k_debug_htt_stats_dwork(struct work_struct *work) | |
1078 | { | |
1079 | struct ath10k *ar = container_of(work, struct ath10k, | |
1080 | debug.htt_stats_dwork.work); | |
1081 | ||
1082 | mutex_lock(&ar->conf_mutex); | |
1083 | ||
1084 | ath10k_debug_htt_stats_req(ar); | |
1085 | ||
1086 | mutex_unlock(&ar->conf_mutex); | |
1087 | } | |
1088 | ||
1089 | static ssize_t ath10k_read_htt_stats_mask(struct file *file, | |
1090 | char __user *user_buf, | |
1091 | size_t count, loff_t *ppos) | |
1092 | { | |
1093 | struct ath10k *ar = file->private_data; | |
1094 | char buf[32]; | |
1095 | unsigned int len; | |
1096 | ||
1097 | len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask); | |
1098 | ||
1099 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1100 | } | |
1101 | ||
1102 | static ssize_t ath10k_write_htt_stats_mask(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 | unsigned long mask; | |
1108 | int ret; | |
1109 | ||
1110 | ret = kstrtoul_from_user(user_buf, count, 0, &mask); | |
1111 | if (ret) | |
1112 | return ret; | |
1113 | ||
1114 | /* max 8 bit masks (for now) */ | |
1115 | if (mask > 0xff) | |
1116 | return -E2BIG; | |
1117 | ||
1118 | mutex_lock(&ar->conf_mutex); | |
1119 | ||
1120 | ar->debug.htt_stats_mask = mask; | |
1121 | ||
1122 | ret = ath10k_debug_htt_stats_req(ar); | |
1123 | if (ret) | |
1124 | goto out; | |
1125 | ||
1126 | ret = count; | |
1127 | ||
1128 | out: | |
1129 | mutex_unlock(&ar->conf_mutex); | |
1130 | ||
1131 | return ret; | |
1132 | } | |
1133 | ||
1134 | static const struct file_operations fops_htt_stats_mask = { | |
1135 | .read = ath10k_read_htt_stats_mask, | |
1136 | .write = ath10k_write_htt_stats_mask, | |
1137 | .open = simple_open, | |
1138 | .owner = THIS_MODULE, | |
1139 | .llseek = default_llseek, | |
1140 | }; | |
1141 | ||
1142 | static ssize_t ath10k_read_htt_max_amsdu_ampdu(struct file *file, | |
1143 | char __user *user_buf, | |
1144 | size_t count, loff_t *ppos) | |
1145 | { | |
1146 | struct ath10k *ar = file->private_data; | |
1147 | char buf[64]; | |
1148 | u8 amsdu, ampdu; | |
1149 | unsigned int len; | |
1150 | ||
1151 | mutex_lock(&ar->conf_mutex); | |
1152 | ||
1153 | amsdu = ar->htt.max_num_amsdu; | |
1154 | ampdu = ar->htt.max_num_ampdu; | |
1155 | mutex_unlock(&ar->conf_mutex); | |
1156 | ||
1157 | len = scnprintf(buf, sizeof(buf), "%u %u\n", amsdu, ampdu); | |
1158 | ||
1159 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1160 | } | |
1161 | ||
1162 | static ssize_t ath10k_write_htt_max_amsdu_ampdu(struct file *file, | |
1163 | const char __user *user_buf, | |
1164 | size_t count, loff_t *ppos) | |
1165 | { | |
1166 | struct ath10k *ar = file->private_data; | |
1167 | int res; | |
1168 | char buf[64]; | |
1169 | unsigned int amsdu, ampdu; | |
1170 | ||
1171 | simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); | |
1172 | ||
1173 | /* make sure that buf is null terminated */ | |
1174 | buf[sizeof(buf) - 1] = 0; | |
1175 | ||
1176 | res = sscanf(buf, "%u %u", &amsdu, &du); | |
1177 | ||
1178 | if (res != 2) | |
1179 | return -EINVAL; | |
1180 | ||
1181 | mutex_lock(&ar->conf_mutex); | |
1182 | ||
1183 | res = ath10k_htt_h2t_aggr_cfg_msg(&ar->htt, ampdu, amsdu); | |
1184 | if (res) | |
1185 | goto out; | |
1186 | ||
1187 | res = count; | |
1188 | ar->htt.max_num_amsdu = amsdu; | |
1189 | ar->htt.max_num_ampdu = ampdu; | |
1190 | ||
1191 | out: | |
1192 | mutex_unlock(&ar->conf_mutex); | |
1193 | return res; | |
1194 | } | |
1195 | ||
1196 | static const struct file_operations fops_htt_max_amsdu_ampdu = { | |
1197 | .read = ath10k_read_htt_max_amsdu_ampdu, | |
1198 | .write = ath10k_write_htt_max_amsdu_ampdu, | |
1199 | .open = simple_open, | |
1200 | .owner = THIS_MODULE, | |
1201 | .llseek = default_llseek, | |
1202 | }; | |
1203 | ||
1204 | static ssize_t ath10k_read_fw_dbglog(struct file *file, | |
1205 | char __user *user_buf, | |
1206 | size_t count, loff_t *ppos) | |
1207 | { | |
1208 | struct ath10k *ar = file->private_data; | |
1209 | unsigned int len; | |
1210 | char buf[64]; | |
1211 | ||
1212 | len = scnprintf(buf, sizeof(buf), "0x%08x %u\n", | |
1213 | ar->debug.fw_dbglog_mask, ar->debug.fw_dbglog_level); | |
1214 | ||
1215 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1216 | } | |
1217 | ||
1218 | static ssize_t ath10k_write_fw_dbglog(struct file *file, | |
1219 | const char __user *user_buf, | |
1220 | size_t count, loff_t *ppos) | |
1221 | { | |
1222 | struct ath10k *ar = file->private_data; | |
1223 | int ret; | |
1224 | char buf[64]; | |
1225 | unsigned int log_level, mask; | |
1226 | ||
1227 | simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); | |
1228 | ||
1229 | /* make sure that buf is null terminated */ | |
1230 | buf[sizeof(buf) - 1] = 0; | |
1231 | ||
1232 | ret = sscanf(buf, "%x %u", &mask, &log_level); | |
1233 | ||
1234 | if (!ret) | |
1235 | return -EINVAL; | |
1236 | ||
1237 | if (ret == 1) | |
1238 | /* default if user did not specify */ | |
1239 | log_level = ATH10K_DBGLOG_LEVEL_WARN; | |
1240 | ||
1241 | mutex_lock(&ar->conf_mutex); | |
1242 | ||
1243 | ar->debug.fw_dbglog_mask = mask; | |
1244 | ar->debug.fw_dbglog_level = log_level; | |
1245 | ||
1246 | if (ar->state == ATH10K_STATE_ON) { | |
1247 | ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask, | |
1248 | ar->debug.fw_dbglog_level); | |
1249 | if (ret) { | |
1250 | ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n", | |
1251 | ret); | |
1252 | goto exit; | |
1253 | } | |
1254 | } | |
1255 | ||
1256 | ret = count; | |
1257 | ||
1258 | exit: | |
1259 | mutex_unlock(&ar->conf_mutex); | |
1260 | ||
1261 | return ret; | |
1262 | } | |
1263 | ||
1264 | /* TODO: Would be nice to always support ethtool stats, would need to | |
1265 | * move the stats storage out of ath10k_debug, or always have ath10k_debug | |
1266 | * struct available.. | |
1267 | */ | |
1268 | ||
1269 | /* This generally cooresponds to the debugfs fw_stats file */ | |
1270 | static const char ath10k_gstrings_stats[][ETH_GSTRING_LEN] = { | |
1271 | "tx_pkts_nic", | |
1272 | "tx_bytes_nic", | |
1273 | "rx_pkts_nic", | |
1274 | "rx_bytes_nic", | |
1275 | "d_noise_floor", | |
1276 | "d_cycle_count", | |
1277 | "d_phy_error", | |
1278 | "d_rts_bad", | |
1279 | "d_rts_good", | |
1280 | "d_tx_power", /* in .5 dbM I think */ | |
1281 | "d_rx_crc_err", /* fcs_bad */ | |
1282 | "d_no_beacon", | |
1283 | "d_tx_mpdus_queued", | |
1284 | "d_tx_msdu_queued", | |
1285 | "d_tx_msdu_dropped", | |
1286 | "d_local_enqued", | |
1287 | "d_local_freed", | |
1288 | "d_tx_ppdu_hw_queued", | |
1289 | "d_tx_ppdu_reaped", | |
1290 | "d_tx_fifo_underrun", | |
1291 | "d_tx_ppdu_abort", | |
1292 | "d_tx_mpdu_requed", | |
1293 | "d_tx_excessive_retries", | |
1294 | "d_tx_hw_rate", | |
1295 | "d_tx_dropped_sw_retries", | |
1296 | "d_tx_illegal_rate", | |
1297 | "d_tx_continuous_xretries", | |
1298 | "d_tx_timeout", | |
1299 | "d_tx_mpdu_txop_limit", | |
1300 | "d_pdev_resets", | |
1301 | "d_rx_mid_ppdu_route_change", | |
1302 | "d_rx_status", | |
1303 | "d_rx_extra_frags_ring0", | |
1304 | "d_rx_extra_frags_ring1", | |
1305 | "d_rx_extra_frags_ring2", | |
1306 | "d_rx_extra_frags_ring3", | |
1307 | "d_rx_msdu_htt", | |
1308 | "d_rx_mpdu_htt", | |
1309 | "d_rx_msdu_stack", | |
1310 | "d_rx_mpdu_stack", | |
1311 | "d_rx_phy_err", | |
1312 | "d_rx_phy_err_drops", | |
1313 | "d_rx_mpdu_errors", /* FCS, MIC, ENC */ | |
1314 | "d_fw_crash_count", | |
1315 | "d_fw_warm_reset_count", | |
1316 | "d_fw_cold_reset_count", | |
1317 | }; | |
1318 | ||
1319 | #define ATH10K_SSTATS_LEN ARRAY_SIZE(ath10k_gstrings_stats) | |
1320 | ||
1321 | void ath10k_debug_get_et_strings(struct ieee80211_hw *hw, | |
1322 | struct ieee80211_vif *vif, | |
1323 | u32 sset, u8 *data) | |
1324 | { | |
1325 | if (sset == ETH_SS_STATS) | |
1326 | memcpy(data, *ath10k_gstrings_stats, | |
1327 | sizeof(ath10k_gstrings_stats)); | |
1328 | } | |
1329 | ||
1330 | int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw, | |
1331 | struct ieee80211_vif *vif, int sset) | |
1332 | { | |
1333 | if (sset == ETH_SS_STATS) | |
1334 | return ATH10K_SSTATS_LEN; | |
1335 | ||
1336 | return 0; | |
1337 | } | |
1338 | ||
1339 | void ath10k_debug_get_et_stats(struct ieee80211_hw *hw, | |
1340 | struct ieee80211_vif *vif, | |
1341 | struct ethtool_stats *stats, u64 *data) | |
1342 | { | |
1343 | struct ath10k *ar = hw->priv; | |
1344 | static const struct ath10k_fw_stats_pdev zero_stats = {}; | |
1345 | const struct ath10k_fw_stats_pdev *pdev_stats; | |
1346 | int i = 0, ret; | |
1347 | ||
1348 | mutex_lock(&ar->conf_mutex); | |
1349 | ||
1350 | if (ar->state == ATH10K_STATE_ON) { | |
1351 | ret = ath10k_debug_fw_stats_request(ar); | |
1352 | if (ret) { | |
1353 | /* just print a warning and try to use older results */ | |
1354 | ath10k_warn(ar, | |
1355 | "failed to get fw stats for ethtool: %d\n", | |
1356 | ret); | |
1357 | } | |
1358 | } | |
1359 | ||
1360 | pdev_stats = list_first_entry_or_null(&ar->debug.fw_stats.pdevs, | |
1361 | struct ath10k_fw_stats_pdev, | |
1362 | list); | |
1363 | if (!pdev_stats) { | |
1364 | /* no results available so just return zeroes */ | |
1365 | pdev_stats = &zero_stats; | |
1366 | } | |
1367 | ||
1368 | spin_lock_bh(&ar->data_lock); | |
1369 | ||
1370 | data[i++] = pdev_stats->hw_reaped; /* ppdu reaped */ | |
1371 | data[i++] = 0; /* tx bytes */ | |
1372 | data[i++] = pdev_stats->htt_mpdus; | |
1373 | data[i++] = 0; /* rx bytes */ | |
1374 | data[i++] = pdev_stats->ch_noise_floor; | |
1375 | data[i++] = pdev_stats->cycle_count; | |
1376 | data[i++] = pdev_stats->phy_err_count; | |
1377 | data[i++] = pdev_stats->rts_bad; | |
1378 | data[i++] = pdev_stats->rts_good; | |
1379 | data[i++] = pdev_stats->chan_tx_power; | |
1380 | data[i++] = pdev_stats->fcs_bad; | |
1381 | data[i++] = pdev_stats->no_beacons; | |
1382 | data[i++] = pdev_stats->mpdu_enqued; | |
1383 | data[i++] = pdev_stats->msdu_enqued; | |
1384 | data[i++] = pdev_stats->wmm_drop; | |
1385 | data[i++] = pdev_stats->local_enqued; | |
1386 | data[i++] = pdev_stats->local_freed; | |
1387 | data[i++] = pdev_stats->hw_queued; | |
1388 | data[i++] = pdev_stats->hw_reaped; | |
1389 | data[i++] = pdev_stats->underrun; | |
1390 | data[i++] = pdev_stats->tx_abort; | |
1391 | data[i++] = pdev_stats->mpdus_requed; | |
1392 | data[i++] = pdev_stats->tx_ko; | |
1393 | data[i++] = pdev_stats->data_rc; | |
1394 | data[i++] = pdev_stats->sw_retry_failure; | |
1395 | data[i++] = pdev_stats->illgl_rate_phy_err; | |
1396 | data[i++] = pdev_stats->pdev_cont_xretry; | |
1397 | data[i++] = pdev_stats->pdev_tx_timeout; | |
1398 | data[i++] = pdev_stats->txop_ovf; | |
1399 | data[i++] = pdev_stats->pdev_resets; | |
1400 | data[i++] = pdev_stats->mid_ppdu_route_change; | |
1401 | data[i++] = pdev_stats->status_rcvd; | |
1402 | data[i++] = pdev_stats->r0_frags; | |
1403 | data[i++] = pdev_stats->r1_frags; | |
1404 | data[i++] = pdev_stats->r2_frags; | |
1405 | data[i++] = pdev_stats->r3_frags; | |
1406 | data[i++] = pdev_stats->htt_msdus; | |
1407 | data[i++] = pdev_stats->htt_mpdus; | |
1408 | data[i++] = pdev_stats->loc_msdus; | |
1409 | data[i++] = pdev_stats->loc_mpdus; | |
1410 | data[i++] = pdev_stats->phy_errs; | |
1411 | data[i++] = pdev_stats->phy_err_drop; | |
1412 | data[i++] = pdev_stats->mpdu_errs; | |
1413 | data[i++] = ar->stats.fw_crash_counter; | |
1414 | data[i++] = ar->stats.fw_warm_reset_counter; | |
1415 | data[i++] = ar->stats.fw_cold_reset_counter; | |
1416 | ||
1417 | spin_unlock_bh(&ar->data_lock); | |
1418 | ||
1419 | mutex_unlock(&ar->conf_mutex); | |
1420 | ||
1421 | WARN_ON(i != ATH10K_SSTATS_LEN); | |
1422 | } | |
1423 | ||
1424 | static const struct file_operations fops_fw_dbglog = { | |
1425 | .read = ath10k_read_fw_dbglog, | |
1426 | .write = ath10k_write_fw_dbglog, | |
1427 | .open = simple_open, | |
1428 | .owner = THIS_MODULE, | |
1429 | .llseek = default_llseek, | |
1430 | }; | |
1431 | ||
1432 | static int ath10k_debug_cal_data_open(struct inode *inode, struct file *file) | |
1433 | { | |
1434 | struct ath10k *ar = inode->i_private; | |
1435 | void *buf; | |
1436 | u32 hi_addr; | |
1437 | __le32 addr; | |
1438 | int ret; | |
1439 | ||
1440 | mutex_lock(&ar->conf_mutex); | |
1441 | ||
1442 | if (ar->state != ATH10K_STATE_ON && | |
1443 | ar->state != ATH10K_STATE_UTF) { | |
1444 | ret = -ENETDOWN; | |
1445 | goto err; | |
1446 | } | |
1447 | ||
1448 | buf = vmalloc(QCA988X_CAL_DATA_LEN); | |
1449 | if (!buf) { | |
1450 | ret = -ENOMEM; | |
1451 | goto err; | |
1452 | } | |
1453 | ||
1454 | hi_addr = host_interest_item_address(HI_ITEM(hi_board_data)); | |
1455 | ||
1456 | ret = ath10k_hif_diag_read(ar, hi_addr, &addr, sizeof(addr)); | |
1457 | if (ret) { | |
1458 | ath10k_warn(ar, "failed to read hi_board_data address: %d\n", ret); | |
1459 | goto err_vfree; | |
1460 | } | |
1461 | ||
1462 | ret = ath10k_hif_diag_read(ar, le32_to_cpu(addr), buf, | |
1463 | QCA988X_CAL_DATA_LEN); | |
1464 | if (ret) { | |
1465 | ath10k_warn(ar, "failed to read calibration data: %d\n", ret); | |
1466 | goto err_vfree; | |
1467 | } | |
1468 | ||
1469 | file->private_data = buf; | |
1470 | ||
1471 | mutex_unlock(&ar->conf_mutex); | |
1472 | ||
1473 | return 0; | |
1474 | ||
1475 | err_vfree: | |
1476 | vfree(buf); | |
1477 | ||
1478 | err: | |
1479 | mutex_unlock(&ar->conf_mutex); | |
1480 | ||
1481 | return ret; | |
1482 | } | |
1483 | ||
1484 | static ssize_t ath10k_debug_cal_data_read(struct file *file, | |
1485 | char __user *user_buf, | |
1486 | size_t count, loff_t *ppos) | |
1487 | { | |
1488 | void *buf = file->private_data; | |
1489 | ||
1490 | return simple_read_from_buffer(user_buf, count, ppos, | |
1491 | buf, QCA988X_CAL_DATA_LEN); | |
1492 | } | |
1493 | ||
1494 | static int ath10k_debug_cal_data_release(struct inode *inode, | |
1495 | struct file *file) | |
1496 | { | |
1497 | vfree(file->private_data); | |
1498 | ||
1499 | return 0; | |
1500 | } | |
1501 | ||
1502 | static ssize_t ath10k_write_ani_enable(struct file *file, | |
1503 | const char __user *user_buf, | |
1504 | size_t count, loff_t *ppos) | |
1505 | { | |
1506 | struct ath10k *ar = file->private_data; | |
1507 | int ret; | |
1508 | u8 enable; | |
1509 | ||
1510 | if (kstrtou8_from_user(user_buf, count, 0, &enable)) | |
1511 | return -EINVAL; | |
1512 | ||
1513 | mutex_lock(&ar->conf_mutex); | |
1514 | ||
1515 | if (ar->ani_enabled == enable) { | |
1516 | ret = count; | |
1517 | goto exit; | |
1518 | } | |
1519 | ||
1520 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->ani_enable, | |
1521 | enable); | |
1522 | if (ret) { | |
1523 | ath10k_warn(ar, "ani_enable failed from debugfs: %d\n", ret); | |
1524 | goto exit; | |
1525 | } | |
1526 | ar->ani_enabled = enable; | |
1527 | ||
1528 | ret = count; | |
1529 | ||
1530 | exit: | |
1531 | mutex_unlock(&ar->conf_mutex); | |
1532 | ||
1533 | return ret; | |
1534 | } | |
1535 | ||
1536 | static ssize_t ath10k_read_ani_enable(struct file *file, char __user *user_buf, | |
1537 | size_t count, loff_t *ppos) | |
1538 | { | |
1539 | struct ath10k *ar = file->private_data; | |
1540 | int len = 0; | |
1541 | char buf[32]; | |
1542 | ||
1543 | len = scnprintf(buf, sizeof(buf) - len, "%d\n", | |
1544 | ar->ani_enabled); | |
1545 | ||
1546 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1547 | } | |
1548 | ||
1549 | static const struct file_operations fops_ani_enable = { | |
1550 | .read = ath10k_read_ani_enable, | |
1551 | .write = ath10k_write_ani_enable, | |
1552 | .open = simple_open, | |
1553 | .owner = THIS_MODULE, | |
1554 | .llseek = default_llseek, | |
1555 | }; | |
1556 | ||
1557 | static const struct file_operations fops_cal_data = { | |
1558 | .open = ath10k_debug_cal_data_open, | |
1559 | .read = ath10k_debug_cal_data_read, | |
1560 | .release = ath10k_debug_cal_data_release, | |
1561 | .owner = THIS_MODULE, | |
1562 | .llseek = default_llseek, | |
1563 | }; | |
1564 | ||
1565 | static ssize_t ath10k_read_nf_cal_period(struct file *file, | |
1566 | char __user *user_buf, | |
1567 | size_t count, loff_t *ppos) | |
1568 | { | |
1569 | struct ath10k *ar = file->private_data; | |
1570 | unsigned int len; | |
1571 | char buf[32]; | |
1572 | ||
1573 | len = scnprintf(buf, sizeof(buf), "%d\n", | |
1574 | ar->debug.nf_cal_period); | |
1575 | ||
1576 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1577 | } | |
1578 | ||
1579 | static ssize_t ath10k_write_nf_cal_period(struct file *file, | |
1580 | const char __user *user_buf, | |
1581 | size_t count, loff_t *ppos) | |
1582 | { | |
1583 | struct ath10k *ar = file->private_data; | |
1584 | unsigned long period; | |
1585 | int ret; | |
1586 | ||
1587 | ret = kstrtoul_from_user(user_buf, count, 0, &period); | |
1588 | if (ret) | |
1589 | return ret; | |
1590 | ||
1591 | if (period > WMI_PDEV_PARAM_CAL_PERIOD_MAX) | |
1592 | return -EINVAL; | |
1593 | ||
1594 | /* there's no way to switch back to the firmware default */ | |
1595 | if (period == 0) | |
1596 | return -EINVAL; | |
1597 | ||
1598 | mutex_lock(&ar->conf_mutex); | |
1599 | ||
1600 | ar->debug.nf_cal_period = period; | |
1601 | ||
1602 | if (ar->state != ATH10K_STATE_ON) { | |
1603 | /* firmware is not running, nothing else to do */ | |
1604 | ret = count; | |
1605 | goto exit; | |
1606 | } | |
1607 | ||
1608 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->cal_period, | |
1609 | ar->debug.nf_cal_period); | |
1610 | if (ret) { | |
1611 | ath10k_warn(ar, "cal period cfg failed from debugfs: %d\n", | |
1612 | ret); | |
1613 | goto exit; | |
1614 | } | |
1615 | ||
1616 | ret = count; | |
1617 | ||
1618 | exit: | |
1619 | mutex_unlock(&ar->conf_mutex); | |
1620 | ||
1621 | return ret; | |
1622 | } | |
1623 | ||
1624 | static const struct file_operations fops_nf_cal_period = { | |
1625 | .read = ath10k_read_nf_cal_period, | |
1626 | .write = ath10k_write_nf_cal_period, | |
1627 | .open = simple_open, | |
1628 | .owner = THIS_MODULE, | |
1629 | .llseek = default_llseek, | |
1630 | }; | |
1631 | ||
1632 | #define ATH10K_TPC_CONFIG_BUF_SIZE (1024 * 1024) | |
1633 | ||
1634 | static int ath10k_debug_tpc_stats_request(struct ath10k *ar) | |
1635 | { | |
1636 | int ret; | |
1637 | unsigned long time_left; | |
1638 | ||
1639 | lockdep_assert_held(&ar->conf_mutex); | |
1640 | ||
1641 | reinit_completion(&ar->debug.tpc_complete); | |
1642 | ||
1643 | ret = ath10k_wmi_pdev_get_tpc_config(ar, WMI_TPC_CONFIG_PARAM); | |
1644 | if (ret) { | |
1645 | ath10k_warn(ar, "failed to request tpc config: %d\n", ret); | |
1646 | return ret; | |
1647 | } | |
1648 | ||
1649 | time_left = wait_for_completion_timeout(&ar->debug.tpc_complete, | |
1650 | 1 * HZ); | |
1651 | if (time_left == 0) | |
1652 | return -ETIMEDOUT; | |
1653 | ||
1654 | return 0; | |
1655 | } | |
1656 | ||
1657 | void ath10k_debug_tpc_stats_process(struct ath10k *ar, | |
1658 | struct ath10k_tpc_stats *tpc_stats) | |
1659 | { | |
1660 | spin_lock_bh(&ar->data_lock); | |
1661 | ||
1662 | kfree(ar->debug.tpc_stats); | |
1663 | ar->debug.tpc_stats = tpc_stats; | |
1664 | complete(&ar->debug.tpc_complete); | |
1665 | ||
1666 | spin_unlock_bh(&ar->data_lock); | |
1667 | } | |
1668 | ||
1669 | static void ath10k_tpc_stats_print(struct ath10k_tpc_stats *tpc_stats, | |
1670 | unsigned int j, char *buf, unsigned int *len) | |
1671 | { | |
1672 | unsigned int i, buf_len; | |
1673 | static const char table_str[][5] = { "CDD", | |
1674 | "STBC", | |
1675 | "TXBF" }; | |
1676 | static const char pream_str[][6] = { "CCK", | |
1677 | "OFDM", | |
1678 | "HT20", | |
1679 | "HT40", | |
1680 | "VHT20", | |
1681 | "VHT40", | |
1682 | "VHT80", | |
1683 | "HTCUP" }; | |
1684 | ||
1685 | buf_len = ATH10K_TPC_CONFIG_BUF_SIZE; | |
1686 | *len += scnprintf(buf + *len, buf_len - *len, | |
1687 | "********************************\n"); | |
1688 | *len += scnprintf(buf + *len, buf_len - *len, | |
1689 | "******************* %s POWER TABLE ****************\n", | |
1690 | table_str[j]); | |
1691 | *len += scnprintf(buf + *len, buf_len - *len, | |
1692 | "********************************\n"); | |
1693 | *len += scnprintf(buf + *len, buf_len - *len, | |
1694 | "No. Preamble Rate_code tpc_value1 tpc_value2 tpc_value3\n"); | |
1695 | ||
1696 | for (i = 0; i < tpc_stats->rate_max; i++) { | |
1697 | *len += scnprintf(buf + *len, buf_len - *len, | |
1698 | "%8d %s 0x%2x %s\n", i, | |
1699 | pream_str[tpc_stats->tpc_table[j].pream_idx[i]], | |
1700 | tpc_stats->tpc_table[j].rate_code[i], | |
1701 | tpc_stats->tpc_table[j].tpc_value[i]); | |
1702 | } | |
1703 | ||
1704 | *len += scnprintf(buf + *len, buf_len - *len, | |
1705 | "***********************************\n"); | |
1706 | } | |
1707 | ||
1708 | static void ath10k_tpc_stats_fill(struct ath10k *ar, | |
1709 | struct ath10k_tpc_stats *tpc_stats, | |
1710 | char *buf) | |
1711 | { | |
1712 | unsigned int len, j, buf_len; | |
1713 | ||
1714 | len = 0; | |
1715 | buf_len = ATH10K_TPC_CONFIG_BUF_SIZE; | |
1716 | ||
1717 | spin_lock_bh(&ar->data_lock); | |
1718 | ||
1719 | if (!tpc_stats) { | |
1720 | ath10k_warn(ar, "failed to get tpc stats\n"); | |
1721 | goto unlock; | |
1722 | } | |
1723 | ||
1724 | len += scnprintf(buf + len, buf_len - len, "\n"); | |
1725 | len += scnprintf(buf + len, buf_len - len, | |
1726 | "*************************************\n"); | |
1727 | len += scnprintf(buf + len, buf_len - len, | |
1728 | "TPC config for channel %4d mode %d\n", | |
1729 | tpc_stats->chan_freq, | |
1730 | tpc_stats->phy_mode); | |
1731 | len += scnprintf(buf + len, buf_len - len, | |
1732 | "*************************************\n"); | |
1733 | len += scnprintf(buf + len, buf_len - len, | |
1734 | "CTL = 0x%2x Reg. Domain = %2d\n", | |
1735 | tpc_stats->ctl, | |
1736 | tpc_stats->reg_domain); | |
1737 | len += scnprintf(buf + len, buf_len - len, | |
1738 | "Antenna Gain = %2d Reg. Max Antenna Gain = %2d\n", | |
1739 | tpc_stats->twice_antenna_gain, | |
1740 | tpc_stats->twice_antenna_reduction); | |
1741 | len += scnprintf(buf + len, buf_len - len, | |
1742 | "Power Limit = %2d Reg. Max Power = %2d\n", | |
1743 | tpc_stats->power_limit, | |
1744 | tpc_stats->twice_max_rd_power / 2); | |
1745 | len += scnprintf(buf + len, buf_len - len, | |
1746 | "Num tx chains = %2d Num supported rates = %2d\n", | |
1747 | tpc_stats->num_tx_chain, | |
1748 | tpc_stats->rate_max); | |
1749 | ||
1750 | for (j = 0; j < tpc_stats->num_tx_chain ; j++) { | |
1751 | switch (j) { | |
1752 | case WMI_TPC_TABLE_TYPE_CDD: | |
1753 | if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) { | |
1754 | len += scnprintf(buf + len, buf_len - len, | |
1755 | "CDD not supported\n"); | |
1756 | break; | |
1757 | } | |
1758 | ||
1759 | ath10k_tpc_stats_print(tpc_stats, j, buf, &len); | |
1760 | break; | |
1761 | case WMI_TPC_TABLE_TYPE_STBC: | |
1762 | if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) { | |
1763 | len += scnprintf(buf + len, buf_len - len, | |
1764 | "STBC not supported\n"); | |
1765 | break; | |
1766 | } | |
1767 | ||
1768 | ath10k_tpc_stats_print(tpc_stats, j, buf, &len); | |
1769 | break; | |
1770 | case WMI_TPC_TABLE_TYPE_TXBF: | |
1771 | if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) { | |
1772 | len += scnprintf(buf + len, buf_len - len, | |
1773 | "TXBF not supported\n***************************\n"); | |
1774 | break; | |
1775 | } | |
1776 | ||
1777 | ath10k_tpc_stats_print(tpc_stats, j, buf, &len); | |
1778 | break; | |
1779 | default: | |
1780 | len += scnprintf(buf + len, buf_len - len, | |
1781 | "Invalid Type\n"); | |
1782 | break; | |
1783 | } | |
1784 | } | |
1785 | ||
1786 | unlock: | |
1787 | spin_unlock_bh(&ar->data_lock); | |
1788 | ||
1789 | if (len >= buf_len) | |
1790 | buf[len - 1] = 0; | |
1791 | else | |
1792 | buf[len] = 0; | |
1793 | } | |
1794 | ||
1795 | static int ath10k_tpc_stats_open(struct inode *inode, struct file *file) | |
1796 | { | |
1797 | struct ath10k *ar = inode->i_private; | |
1798 | void *buf = NULL; | |
1799 | int ret; | |
1800 | ||
1801 | mutex_lock(&ar->conf_mutex); | |
1802 | ||
1803 | if (ar->state != ATH10K_STATE_ON) { | |
1804 | ret = -ENETDOWN; | |
1805 | goto err_unlock; | |
1806 | } | |
1807 | ||
1808 | buf = vmalloc(ATH10K_TPC_CONFIG_BUF_SIZE); | |
1809 | if (!buf) { | |
1810 | ret = -ENOMEM; | |
1811 | goto err_unlock; | |
1812 | } | |
1813 | ||
1814 | ret = ath10k_debug_tpc_stats_request(ar); | |
1815 | if (ret) { | |
1816 | ath10k_warn(ar, "failed to request tpc config stats: %d\n", | |
1817 | ret); | |
1818 | goto err_free; | |
1819 | } | |
1820 | ||
1821 | ath10k_tpc_stats_fill(ar, ar->debug.tpc_stats, buf); | |
1822 | file->private_data = buf; | |
1823 | ||
1824 | mutex_unlock(&ar->conf_mutex); | |
1825 | return 0; | |
1826 | ||
1827 | err_free: | |
1828 | vfree(buf); | |
1829 | ||
1830 | err_unlock: | |
1831 | mutex_unlock(&ar->conf_mutex); | |
1832 | return ret; | |
1833 | } | |
1834 | ||
1835 | static int ath10k_tpc_stats_release(struct inode *inode, struct file *file) | |
1836 | { | |
1837 | vfree(file->private_data); | |
1838 | ||
1839 | return 0; | |
1840 | } | |
1841 | ||
1842 | static ssize_t ath10k_tpc_stats_read(struct file *file, char __user *user_buf, | |
1843 | size_t count, loff_t *ppos) | |
1844 | { | |
1845 | const char *buf = file->private_data; | |
1846 | unsigned int len = strlen(buf); | |
1847 | ||
1848 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1849 | } | |
1850 | ||
1851 | static const struct file_operations fops_tpc_stats = { | |
1852 | .open = ath10k_tpc_stats_open, | |
1853 | .release = ath10k_tpc_stats_release, | |
1854 | .read = ath10k_tpc_stats_read, | |
1855 | .owner = THIS_MODULE, | |
1856 | .llseek = default_llseek, | |
1857 | }; | |
1858 | ||
1859 | int ath10k_debug_start(struct ath10k *ar) | |
1860 | { | |
1861 | int ret; | |
1862 | ||
1863 | lockdep_assert_held(&ar->conf_mutex); | |
1864 | ||
1865 | ret = ath10k_debug_htt_stats_req(ar); | |
1866 | if (ret) | |
1867 | /* continue normally anyway, this isn't serious */ | |
1868 | ath10k_warn(ar, "failed to start htt stats workqueue: %d\n", | |
1869 | ret); | |
1870 | ||
1871 | if (ar->debug.fw_dbglog_mask) { | |
1872 | ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask, | |
1873 | ATH10K_DBGLOG_LEVEL_WARN); | |
1874 | if (ret) | |
1875 | /* not serious */ | |
1876 | ath10k_warn(ar, "failed to enable dbglog during start: %d", | |
1877 | ret); | |
1878 | } | |
1879 | ||
1880 | if (ar->debug.pktlog_filter) { | |
1881 | ret = ath10k_wmi_pdev_pktlog_enable(ar, | |
1882 | ar->debug.pktlog_filter); | |
1883 | if (ret) | |
1884 | /* not serious */ | |
1885 | ath10k_warn(ar, | |
1886 | "failed to enable pktlog filter %x: %d\n", | |
1887 | ar->debug.pktlog_filter, ret); | |
1888 | } else { | |
1889 | ret = ath10k_wmi_pdev_pktlog_disable(ar); | |
1890 | if (ret) | |
1891 | /* not serious */ | |
1892 | ath10k_warn(ar, "failed to disable pktlog: %d\n", ret); | |
1893 | } | |
1894 | ||
1895 | if (ar->debug.nf_cal_period) { | |
1896 | ret = ath10k_wmi_pdev_set_param(ar, | |
1897 | ar->wmi.pdev_param->cal_period, | |
1898 | ar->debug.nf_cal_period); | |
1899 | if (ret) | |
1900 | /* not serious */ | |
1901 | ath10k_warn(ar, "cal period cfg failed from debug start: %d\n", | |
1902 | ret); | |
1903 | } | |
1904 | ||
1905 | return ret; | |
1906 | } | |
1907 | ||
1908 | void ath10k_debug_stop(struct ath10k *ar) | |
1909 | { | |
1910 | lockdep_assert_held(&ar->conf_mutex); | |
1911 | ||
1912 | /* Must not use _sync to avoid deadlock, we do that in | |
1913 | * ath10k_debug_destroy(). The check for htt_stats_mask is to avoid | |
1914 | * warning from del_timer(). */ | |
1915 | if (ar->debug.htt_stats_mask != 0) | |
1916 | cancel_delayed_work(&ar->debug.htt_stats_dwork); | |
1917 | ||
1918 | ath10k_wmi_pdev_pktlog_disable(ar); | |
1919 | } | |
1920 | ||
1921 | static ssize_t ath10k_write_simulate_radar(struct file *file, | |
1922 | const char __user *user_buf, | |
1923 | size_t count, loff_t *ppos) | |
1924 | { | |
1925 | struct ath10k *ar = file->private_data; | |
1926 | ||
1927 | ieee80211_radar_detected(ar->hw); | |
1928 | ||
1929 | return count; | |
1930 | } | |
1931 | ||
1932 | static const struct file_operations fops_simulate_radar = { | |
1933 | .write = ath10k_write_simulate_radar, | |
1934 | .open = simple_open, | |
1935 | .owner = THIS_MODULE, | |
1936 | .llseek = default_llseek, | |
1937 | }; | |
1938 | ||
1939 | #define ATH10K_DFS_STAT(s, p) (\ | |
1940 | len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \ | |
1941 | ar->debug.dfs_stats.p)) | |
1942 | ||
1943 | #define ATH10K_DFS_POOL_STAT(s, p) (\ | |
1944 | len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \ | |
1945 | ar->debug.dfs_pool_stats.p)) | |
1946 | ||
1947 | static ssize_t ath10k_read_dfs_stats(struct file *file, char __user *user_buf, | |
1948 | size_t count, loff_t *ppos) | |
1949 | { | |
1950 | int retval = 0, len = 0; | |
1951 | const int size = 8000; | |
1952 | struct ath10k *ar = file->private_data; | |
1953 | char *buf; | |
1954 | ||
1955 | buf = kzalloc(size, GFP_KERNEL); | |
1956 | if (buf == NULL) | |
1957 | return -ENOMEM; | |
1958 | ||
1959 | if (!ar->dfs_detector) { | |
1960 | len += scnprintf(buf + len, size - len, "DFS not enabled\n"); | |
1961 | goto exit; | |
1962 | } | |
1963 | ||
1964 | ar->debug.dfs_pool_stats = | |
1965 | ar->dfs_detector->get_stats(ar->dfs_detector); | |
1966 | ||
1967 | len += scnprintf(buf + len, size - len, "Pulse detector statistics:\n"); | |
1968 | ||
1969 | ATH10K_DFS_STAT("reported phy errors", phy_errors); | |
1970 | ATH10K_DFS_STAT("pulse events reported", pulses_total); | |
1971 | ATH10K_DFS_STAT("DFS pulses detected", pulses_detected); | |
1972 | ATH10K_DFS_STAT("DFS pulses discarded", pulses_discarded); | |
1973 | ATH10K_DFS_STAT("Radars detected", radar_detected); | |
1974 | ||
1975 | len += scnprintf(buf + len, size - len, "Global Pool statistics:\n"); | |
1976 | ATH10K_DFS_POOL_STAT("Pool references", pool_reference); | |
1977 | ATH10K_DFS_POOL_STAT("Pulses allocated", pulse_allocated); | |
1978 | ATH10K_DFS_POOL_STAT("Pulses alloc error", pulse_alloc_error); | |
1979 | ATH10K_DFS_POOL_STAT("Pulses in use", pulse_used); | |
1980 | ATH10K_DFS_POOL_STAT("Seqs. allocated", pseq_allocated); | |
1981 | ATH10K_DFS_POOL_STAT("Seqs. alloc error", pseq_alloc_error); | |
1982 | ATH10K_DFS_POOL_STAT("Seqs. in use", pseq_used); | |
1983 | ||
1984 | exit: | |
1985 | if (len > size) | |
1986 | len = size; | |
1987 | ||
1988 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1989 | kfree(buf); | |
1990 | ||
1991 | return retval; | |
1992 | } | |
1993 | ||
1994 | static const struct file_operations fops_dfs_stats = { | |
1995 | .read = ath10k_read_dfs_stats, | |
1996 | .open = simple_open, | |
1997 | .owner = THIS_MODULE, | |
1998 | .llseek = default_llseek, | |
1999 | }; | |
2000 | ||
2001 | static ssize_t ath10k_write_pktlog_filter(struct file *file, | |
2002 | const char __user *ubuf, | |
2003 | size_t count, loff_t *ppos) | |
2004 | { | |
2005 | struct ath10k *ar = file->private_data; | |
2006 | u32 filter; | |
2007 | int ret; | |
2008 | ||
2009 | if (kstrtouint_from_user(ubuf, count, 0, &filter)) | |
2010 | return -EINVAL; | |
2011 | ||
2012 | mutex_lock(&ar->conf_mutex); | |
2013 | ||
2014 | if (ar->state != ATH10K_STATE_ON) { | |
2015 | ar->debug.pktlog_filter = filter; | |
2016 | ret = count; | |
2017 | goto out; | |
2018 | } | |
2019 | ||
2020 | if (filter && (filter != ar->debug.pktlog_filter)) { | |
2021 | ret = ath10k_wmi_pdev_pktlog_enable(ar, filter); | |
2022 | if (ret) { | |
2023 | ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n", | |
2024 | ar->debug.pktlog_filter, ret); | |
2025 | goto out; | |
2026 | } | |
2027 | } else { | |
2028 | ret = ath10k_wmi_pdev_pktlog_disable(ar); | |
2029 | if (ret) { | |
2030 | ath10k_warn(ar, "failed to disable pktlog: %d\n", ret); | |
2031 | goto out; | |
2032 | } | |
2033 | } | |
2034 | ||
2035 | ar->debug.pktlog_filter = filter; | |
2036 | ret = count; | |
2037 | ||
2038 | out: | |
2039 | mutex_unlock(&ar->conf_mutex); | |
2040 | return ret; | |
2041 | } | |
2042 | ||
2043 | static ssize_t ath10k_read_pktlog_filter(struct file *file, char __user *ubuf, | |
2044 | size_t count, loff_t *ppos) | |
2045 | { | |
2046 | char buf[32]; | |
2047 | struct ath10k *ar = file->private_data; | |
2048 | int len = 0; | |
2049 | ||
2050 | mutex_lock(&ar->conf_mutex); | |
2051 | len = scnprintf(buf, sizeof(buf) - len, "%08x\n", | |
2052 | ar->debug.pktlog_filter); | |
2053 | mutex_unlock(&ar->conf_mutex); | |
2054 | ||
2055 | return simple_read_from_buffer(ubuf, count, ppos, buf, len); | |
2056 | } | |
2057 | ||
2058 | static const struct file_operations fops_pktlog_filter = { | |
2059 | .read = ath10k_read_pktlog_filter, | |
2060 | .write = ath10k_write_pktlog_filter, | |
2061 | .open = simple_open | |
2062 | }; | |
2063 | ||
2064 | static ssize_t ath10k_write_quiet_period(struct file *file, | |
2065 | const char __user *ubuf, | |
2066 | size_t count, loff_t *ppos) | |
2067 | { | |
2068 | struct ath10k *ar = file->private_data; | |
2069 | u32 period; | |
2070 | ||
2071 | if (kstrtouint_from_user(ubuf, count, 0, &period)) | |
2072 | return -EINVAL; | |
2073 | ||
2074 | if (period < ATH10K_QUIET_PERIOD_MIN) { | |
2075 | ath10k_warn(ar, "Quiet period %u can not be lesser than 25ms\n", | |
2076 | period); | |
2077 | return -EINVAL; | |
2078 | } | |
2079 | mutex_lock(&ar->conf_mutex); | |
2080 | ar->thermal.quiet_period = period; | |
2081 | ath10k_thermal_set_throttling(ar); | |
2082 | mutex_unlock(&ar->conf_mutex); | |
2083 | ||
2084 | return count; | |
2085 | } | |
2086 | ||
2087 | static ssize_t ath10k_read_quiet_period(struct file *file, char __user *ubuf, | |
2088 | size_t count, loff_t *ppos) | |
2089 | { | |
2090 | char buf[32]; | |
2091 | struct ath10k *ar = file->private_data; | |
2092 | int len = 0; | |
2093 | ||
2094 | mutex_lock(&ar->conf_mutex); | |
2095 | len = scnprintf(buf, sizeof(buf) - len, "%d\n", | |
2096 | ar->thermal.quiet_period); | |
2097 | mutex_unlock(&ar->conf_mutex); | |
2098 | ||
2099 | return simple_read_from_buffer(ubuf, count, ppos, buf, len); | |
2100 | } | |
2101 | ||
2102 | static const struct file_operations fops_quiet_period = { | |
2103 | .read = ath10k_read_quiet_period, | |
2104 | .write = ath10k_write_quiet_period, | |
2105 | .open = simple_open | |
2106 | }; | |
2107 | ||
2108 | static ssize_t ath10k_write_btcoex(struct file *file, | |
2109 | const char __user *ubuf, | |
2110 | size_t count, loff_t *ppos) | |
2111 | { | |
2112 | struct ath10k *ar = file->private_data; | |
2113 | char buf[32]; | |
2114 | size_t buf_size; | |
2115 | bool val; | |
2116 | ||
2117 | buf_size = min(count, (sizeof(buf) - 1)); | |
2118 | if (copy_from_user(buf, ubuf, buf_size)) | |
2119 | return -EFAULT; | |
2120 | ||
2121 | buf[buf_size] = '\0'; | |
2122 | ||
2123 | if (strtobool(buf, &val) != 0) | |
2124 | return -EINVAL; | |
2125 | ||
2126 | mutex_lock(&ar->conf_mutex); | |
2127 | ||
2128 | if (!(test_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags) ^ val)) | |
2129 | goto exit; | |
2130 | ||
2131 | if (val) | |
2132 | set_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags); | |
2133 | else | |
2134 | clear_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags); | |
2135 | ||
2136 | if (ar->state != ATH10K_STATE_ON) | |
2137 | goto exit; | |
2138 | ||
2139 | ath10k_info(ar, "restarting firmware due to btcoex change"); | |
2140 | ||
2141 | queue_work(ar->workqueue, &ar->restart_work); | |
2142 | ||
2143 | exit: | |
2144 | mutex_unlock(&ar->conf_mutex); | |
2145 | ||
2146 | return count; | |
2147 | } | |
2148 | ||
2149 | static ssize_t ath10k_read_btcoex(struct file *file, char __user *ubuf, | |
2150 | size_t count, loff_t *ppos) | |
2151 | { | |
2152 | char buf[32]; | |
2153 | struct ath10k *ar = file->private_data; | |
2154 | int len = 0; | |
2155 | ||
2156 | mutex_lock(&ar->conf_mutex); | |
2157 | len = scnprintf(buf, sizeof(buf) - len, "%d\n", | |
2158 | test_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags)); | |
2159 | mutex_unlock(&ar->conf_mutex); | |
2160 | ||
2161 | return simple_read_from_buffer(ubuf, count, ppos, buf, len); | |
2162 | } | |
2163 | ||
2164 | static const struct file_operations fops_btcoex = { | |
2165 | .read = ath10k_read_btcoex, | |
2166 | .write = ath10k_write_btcoex, | |
2167 | .open = simple_open | |
2168 | }; | |
2169 | ||
2170 | static ssize_t ath10k_debug_fw_checksums_read(struct file *file, | |
2171 | char __user *user_buf, | |
2172 | size_t count, loff_t *ppos) | |
2173 | { | |
2174 | struct ath10k *ar = file->private_data; | |
2175 | unsigned int len = 0, buf_len = 4096; | |
2176 | ssize_t ret_cnt; | |
2177 | char *buf; | |
2178 | ||
2179 | buf = kzalloc(buf_len, GFP_KERNEL); | |
2180 | if (!buf) | |
2181 | return -ENOMEM; | |
2182 | ||
2183 | mutex_lock(&ar->conf_mutex); | |
2184 | ||
2185 | len += scnprintf(buf + len, buf_len - len, | |
2186 | "firmware-N.bin\t\t%08x\n", | |
2187 | crc32_le(0, ar->firmware->data, ar->firmware->size)); | |
2188 | len += scnprintf(buf + len, buf_len - len, | |
2189 | "athwlan\t\t\t%08x\n", | |
2190 | crc32_le(0, ar->firmware_data, ar->firmware_len)); | |
2191 | len += scnprintf(buf + len, buf_len - len, | |
2192 | "otp\t\t\t%08x\n", | |
2193 | crc32_le(0, ar->otp_data, ar->otp_len)); | |
2194 | len += scnprintf(buf + len, buf_len - len, | |
2195 | "codeswap\t\t%08x\n", | |
2196 | crc32_le(0, ar->swap.firmware_codeswap_data, | |
2197 | ar->swap.firmware_codeswap_len)); | |
2198 | len += scnprintf(buf + len, buf_len - len, | |
2199 | "board-N.bin\t\t%08x\n", | |
2200 | crc32_le(0, ar->board->data, ar->board->size)); | |
2201 | len += scnprintf(buf + len, buf_len - len, | |
2202 | "board\t\t\t%08x\n", | |
2203 | crc32_le(0, ar->board_data, ar->board_len)); | |
2204 | ||
2205 | ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
2206 | ||
2207 | mutex_unlock(&ar->conf_mutex); | |
2208 | ||
2209 | kfree(buf); | |
2210 | return ret_cnt; | |
2211 | } | |
2212 | ||
2213 | static const struct file_operations fops_fw_checksums = { | |
2214 | .read = ath10k_debug_fw_checksums_read, | |
2215 | .open = simple_open, | |
2216 | .owner = THIS_MODULE, | |
2217 | .llseek = default_llseek, | |
2218 | }; | |
2219 | ||
2220 | int ath10k_debug_create(struct ath10k *ar) | |
2221 | { | |
2222 | ar->debug.fw_crash_data = vzalloc(sizeof(*ar->debug.fw_crash_data)); | |
2223 | if (!ar->debug.fw_crash_data) | |
2224 | return -ENOMEM; | |
2225 | ||
2226 | INIT_LIST_HEAD(&ar->debug.fw_stats.pdevs); | |
2227 | INIT_LIST_HEAD(&ar->debug.fw_stats.vdevs); | |
2228 | INIT_LIST_HEAD(&ar->debug.fw_stats.peers); | |
2229 | ||
2230 | return 0; | |
2231 | } | |
2232 | ||
2233 | void ath10k_debug_destroy(struct ath10k *ar) | |
2234 | { | |
2235 | vfree(ar->debug.fw_crash_data); | |
2236 | ar->debug.fw_crash_data = NULL; | |
2237 | ||
2238 | ath10k_debug_fw_stats_reset(ar); | |
2239 | ||
2240 | kfree(ar->debug.tpc_stats); | |
2241 | } | |
2242 | ||
2243 | int ath10k_debug_register(struct ath10k *ar) | |
2244 | { | |
2245 | ar->debug.debugfs_phy = debugfs_create_dir("ath10k", | |
2246 | ar->hw->wiphy->debugfsdir); | |
2247 | if (IS_ERR_OR_NULL(ar->debug.debugfs_phy)) { | |
2248 | if (IS_ERR(ar->debug.debugfs_phy)) | |
2249 | return PTR_ERR(ar->debug.debugfs_phy); | |
2250 | ||
2251 | return -ENOMEM; | |
2252 | } | |
2253 | ||
2254 | INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork, | |
2255 | ath10k_debug_htt_stats_dwork); | |
2256 | ||
2257 | init_completion(&ar->debug.tpc_complete); | |
2258 | init_completion(&ar->debug.fw_stats_complete); | |
2259 | ||
2260 | debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar, | |
2261 | &fops_fw_stats); | |
2262 | ||
2263 | debugfs_create_file("fw_reset_stats", S_IRUSR, ar->debug.debugfs_phy, | |
2264 | ar, &fops_fw_reset_stats); | |
2265 | ||
2266 | debugfs_create_file("wmi_services", S_IRUSR, ar->debug.debugfs_phy, ar, | |
2267 | &fops_wmi_services); | |
2268 | ||
2269 | debugfs_create_file("simulate_fw_crash", S_IRUSR | S_IWUSR, | |
2270 | ar->debug.debugfs_phy, ar, &fops_simulate_fw_crash); | |
2271 | ||
2272 | debugfs_create_file("fw_crash_dump", S_IRUSR, ar->debug.debugfs_phy, | |
2273 | ar, &fops_fw_crash_dump); | |
2274 | ||
2275 | debugfs_create_file("reg_addr", S_IRUSR | S_IWUSR, | |
2276 | ar->debug.debugfs_phy, ar, &fops_reg_addr); | |
2277 | ||
2278 | debugfs_create_file("reg_value", S_IRUSR | S_IWUSR, | |
2279 | ar->debug.debugfs_phy, ar, &fops_reg_value); | |
2280 | ||
2281 | debugfs_create_file("mem_value", S_IRUSR | S_IWUSR, | |
2282 | ar->debug.debugfs_phy, ar, &fops_mem_value); | |
2283 | ||
2284 | debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy, | |
2285 | ar, &fops_chip_id); | |
2286 | ||
2287 | debugfs_create_file("htt_stats_mask", S_IRUSR | S_IWUSR, | |
2288 | ar->debug.debugfs_phy, ar, &fops_htt_stats_mask); | |
2289 | ||
2290 | debugfs_create_file("htt_max_amsdu_ampdu", S_IRUSR | S_IWUSR, | |
2291 | ar->debug.debugfs_phy, ar, | |
2292 | &fops_htt_max_amsdu_ampdu); | |
2293 | ||
2294 | debugfs_create_file("fw_dbglog", S_IRUSR | S_IWUSR, | |
2295 | ar->debug.debugfs_phy, ar, &fops_fw_dbglog); | |
2296 | ||
2297 | debugfs_create_file("cal_data", S_IRUSR, ar->debug.debugfs_phy, | |
2298 | ar, &fops_cal_data); | |
2299 | ||
2300 | debugfs_create_file("ani_enable", S_IRUSR | S_IWUSR, | |
2301 | ar->debug.debugfs_phy, ar, &fops_ani_enable); | |
2302 | ||
2303 | debugfs_create_file("nf_cal_period", S_IRUSR | S_IWUSR, | |
2304 | ar->debug.debugfs_phy, ar, &fops_nf_cal_period); | |
2305 | ||
2306 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) { | |
2307 | debugfs_create_file("dfs_simulate_radar", S_IWUSR, | |
2308 | ar->debug.debugfs_phy, ar, | |
2309 | &fops_simulate_radar); | |
2310 | ||
2311 | debugfs_create_bool("dfs_block_radar_events", S_IWUSR, | |
2312 | ar->debug.debugfs_phy, | |
2313 | &ar->dfs_block_radar_events); | |
2314 | ||
2315 | debugfs_create_file("dfs_stats", S_IRUSR, | |
2316 | ar->debug.debugfs_phy, ar, | |
2317 | &fops_dfs_stats); | |
2318 | } | |
2319 | ||
2320 | debugfs_create_file("pktlog_filter", S_IRUGO | S_IWUSR, | |
2321 | ar->debug.debugfs_phy, ar, &fops_pktlog_filter); | |
2322 | ||
2323 | debugfs_create_file("quiet_period", S_IRUGO | S_IWUSR, | |
2324 | ar->debug.debugfs_phy, ar, &fops_quiet_period); | |
2325 | ||
2326 | debugfs_create_file("tpc_stats", S_IRUSR, | |
2327 | ar->debug.debugfs_phy, ar, &fops_tpc_stats); | |
2328 | ||
2329 | if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map)) | |
2330 | debugfs_create_file("btcoex", S_IRUGO | S_IWUSR, | |
2331 | ar->debug.debugfs_phy, ar, &fops_btcoex); | |
2332 | ||
2333 | debugfs_create_file("fw_checksums", S_IRUSR, | |
2334 | ar->debug.debugfs_phy, ar, &fops_fw_checksums); | |
2335 | ||
2336 | return 0; | |
2337 | } | |
2338 | ||
2339 | void ath10k_debug_unregister(struct ath10k *ar) | |
2340 | { | |
2341 | cancel_delayed_work_sync(&ar->debug.htt_stats_dwork); | |
2342 | } | |
2343 | ||
2344 | #endif /* CONFIG_ATH10K_DEBUGFS */ | |
2345 | ||
2346 | #ifdef CONFIG_ATH10K_DEBUG | |
2347 | void ath10k_dbg(struct ath10k *ar, enum ath10k_debug_mask mask, | |
2348 | const char *fmt, ...) | |
2349 | { | |
2350 | struct va_format vaf; | |
2351 | va_list args; | |
2352 | ||
2353 | va_start(args, fmt); | |
2354 | ||
2355 | vaf.fmt = fmt; | |
2356 | vaf.va = &args; | |
2357 | ||
2358 | if (ath10k_debug_mask & mask) | |
2359 | dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf); | |
2360 | ||
2361 | trace_ath10k_log_dbg(ar, mask, &vaf); | |
2362 | ||
2363 | va_end(args); | |
2364 | } | |
2365 | EXPORT_SYMBOL(ath10k_dbg); | |
2366 | ||
2367 | void ath10k_dbg_dump(struct ath10k *ar, | |
2368 | enum ath10k_debug_mask mask, | |
2369 | const char *msg, const char *prefix, | |
2370 | const void *buf, size_t len) | |
2371 | { | |
2372 | char linebuf[256]; | |
2373 | unsigned int linebuflen; | |
2374 | const void *ptr; | |
2375 | ||
2376 | if (ath10k_debug_mask & mask) { | |
2377 | if (msg) | |
2378 | ath10k_dbg(ar, mask, "%s\n", msg); | |
2379 | ||
2380 | for (ptr = buf; (ptr - buf) < len; ptr += 16) { | |
2381 | linebuflen = 0; | |
2382 | linebuflen += scnprintf(linebuf + linebuflen, | |
2383 | sizeof(linebuf) - linebuflen, | |
2384 | "%s%08x: ", | |
2385 | (prefix ? prefix : ""), | |
2386 | (unsigned int)(ptr - buf)); | |
2387 | hex_dump_to_buffer(ptr, len - (ptr - buf), 16, 1, | |
2388 | linebuf + linebuflen, | |
2389 | sizeof(linebuf) - linebuflen, true); | |
2390 | dev_printk(KERN_DEBUG, ar->dev, "%s\n", linebuf); | |
2391 | } | |
2392 | } | |
2393 | ||
2394 | /* tracing code doesn't like null strings :/ */ | |
2395 | trace_ath10k_log_dbg_dump(ar, msg ? msg : "", prefix ? prefix : "", | |
2396 | buf, len); | |
2397 | } | |
2398 | EXPORT_SYMBOL(ath10k_dbg_dump); | |
2399 | ||
2400 | #endif /* CONFIG_ATH10K_DEBUG */ |