Commit | Line | Data |
---|---|---|
5e3dd157 KV |
1 | /* |
2 | * Copyright (c) 2005-2011 Atheros Communications Inc. | |
3 | * Copyright (c) 2011-2013 Qualcomm Atheros, Inc. | |
4 | * | |
5 | * Permission to use, copy, modify, and/or distribute this software for any | |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
8 | * | |
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
16 | */ | |
17 | ||
18 | #include <linux/module.h> | |
19 | #include <linux/debugfs.h> | |
384914b2 | 20 | #include <linux/vmalloc.h> |
12c27156 | 21 | #include <linux/utsname.h> |
3e58044b KV |
22 | #include <linux/crc32.h> |
23 | #include <linux/firmware.h> | |
5e3dd157 KV |
24 | |
25 | #include "core.h" | |
26 | #include "debug.h" | |
7869b4fa | 27 | #include "hif.h" |
d7579d12 | 28 | #include "wmi-ops.h" |
5e3dd157 | 29 | |
a3d135e5 KV |
30 | /* ms */ |
31 | #define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000 | |
32 | ||
384914b2 BG |
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 | ||
babcb3ed | 112 | void ath10k_info(struct ath10k *ar, const char *fmt, ...) |
5e3dd157 KV |
113 | { |
114 | struct va_format vaf = { | |
115 | .fmt = fmt, | |
116 | }; | |
117 | va_list args; | |
5e3dd157 KV |
118 | |
119 | va_start(args, fmt); | |
120 | vaf.va = &args; | |
babcb3ed | 121 | dev_info(ar->dev, "%pV", &vaf); |
d35a6c18 | 122 | trace_ath10k_log_info(ar, &vaf); |
5e3dd157 | 123 | va_end(args); |
5e3dd157 KV |
124 | } |
125 | EXPORT_SYMBOL(ath10k_info); | |
126 | ||
23f591ea | 127 | void ath10k_debug_print_hwfw_info(struct ath10k *ar) |
8a0c797e | 128 | { |
7ebf721d | 129 | const struct firmware *firmware; |
84e3df60 | 130 | char fw_features[128] = {}; |
8866c727 | 131 | u32 crc = 0; |
b27bc5a4 MK |
132 | |
133 | ath10k_core_get_fw_features_str(ar, fw_features, sizeof(fw_features)); | |
134 | ||
8605c022 | 135 | ath10k_info(ar, "%s target 0x%08x chip_id 0x%08x sub %04x:%04x", |
8a0c797e KV |
136 | ar->hw_params.name, |
137 | ar->target_version, | |
138 | ar->chip_id, | |
8605c022 | 139 | ar->id.subsystem_vendor, ar->id.subsystem_device); |
f0de90bc | 140 | |
23f591ea | 141 | ath10k_info(ar, "kconfig debug %d debugfs %d tracing %d dfs %d testmode %d\n", |
97f2645f MY |
142 | IS_ENABLED(CONFIG_ATH10K_DEBUG), |
143 | IS_ENABLED(CONFIG_ATH10K_DEBUGFS), | |
144 | IS_ENABLED(CONFIG_ATH10K_TRACING), | |
145 | IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED), | |
146 | IS_ENABLED(CONFIG_NL80211_TESTMODE)); | |
23f591ea | 147 | |
7ebf721d KV |
148 | firmware = ar->normal_mode_fw.fw_file.firmware; |
149 | if (firmware) | |
150 | crc = crc32_le(0, firmware->data, firmware->size); | |
8866c727 | 151 | |
3e58044b | 152 | ath10k_info(ar, "firmware ver %s api %d features %s crc32 %08x\n", |
8a0c797e KV |
153 | ar->hw->wiphy->fw_version, |
154 | ar->fw_api, | |
3e58044b | 155 | fw_features, |
8866c727 | 156 | crc); |
23f591ea KV |
157 | } |
158 | ||
159 | void ath10k_debug_print_board_info(struct ath10k *ar) | |
160 | { | |
161 | char boardinfo[100]; | |
162 | ||
163 | if (ar->id.bmi_ids_valid) | |
164 | scnprintf(boardinfo, sizeof(boardinfo), "%d:%d", | |
165 | ar->id.bmi_chip_id, ar->id.bmi_board_id); | |
166 | else | |
167 | scnprintf(boardinfo, sizeof(boardinfo), "N/A"); | |
f0de90bc | 168 | |
3e58044b | 169 | ath10k_info(ar, "board_file api %d bmi_id %s crc32 %08x", |
8605c022 | 170 | ar->bd_api, |
3e58044b | 171 | boardinfo, |
7ebf721d KV |
172 | crc32_le(0, ar->normal_mode_fw.board->data, |
173 | ar->normal_mode_fw.board->size)); | |
23f591ea | 174 | } |
f0de90bc | 175 | |
23f591ea KV |
176 | void ath10k_debug_print_boot_info(struct ath10k *ar) |
177 | { | |
f0de90bc | 178 | ath10k_info(ar, "htt-ver %d.%d wmi-op %d htt-op %d cal %s max-sta %d raw %d hwcrypto %d\n", |
8a0c797e | 179 | ar->htt.target_version_major, |
34b28b6e | 180 | ar->htt.target_version_minor, |
bf3c13ab | 181 | ar->normal_mode_fw.fw_file.wmi_op_version, |
77561f93 | 182 | ar->normal_mode_fw.fw_file.htt_op_version, |
cfd1061e | 183 | ath10k_cal_mode_str(ar->cal_mode), |
b27bc5a4 | 184 | ar->max_num_stations, |
ccec9038 | 185 | test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags), |
f0de90bc | 186 | !test_bit(ATH10K_FLAG_HW_CRYPTO_DISABLED, &ar->dev_flags)); |
8a0c797e | 187 | } |
23f591ea KV |
188 | |
189 | void ath10k_print_driver_info(struct ath10k *ar) | |
190 | { | |
191 | ath10k_debug_print_hwfw_info(ar); | |
192 | ath10k_debug_print_board_info(ar); | |
193 | ath10k_debug_print_boot_info(ar); | |
194 | } | |
8a0c797e KV |
195 | EXPORT_SYMBOL(ath10k_print_driver_info); |
196 | ||
babcb3ed | 197 | void ath10k_err(struct ath10k *ar, const char *fmt, ...) |
5e3dd157 KV |
198 | { |
199 | struct va_format vaf = { | |
200 | .fmt = fmt, | |
201 | }; | |
202 | va_list args; | |
5e3dd157 KV |
203 | |
204 | va_start(args, fmt); | |
205 | vaf.va = &args; | |
babcb3ed | 206 | dev_err(ar->dev, "%pV", &vaf); |
d35a6c18 | 207 | trace_ath10k_log_err(ar, &vaf); |
5e3dd157 | 208 | va_end(args); |
5e3dd157 KV |
209 | } |
210 | EXPORT_SYMBOL(ath10k_err); | |
211 | ||
babcb3ed | 212 | void ath10k_warn(struct ath10k *ar, const char *fmt, ...) |
5e3dd157 KV |
213 | { |
214 | struct va_format vaf = { | |
215 | .fmt = fmt, | |
216 | }; | |
217 | va_list args; | |
5e3dd157 KV |
218 | |
219 | va_start(args, fmt); | |
220 | vaf.va = &args; | |
7aa7a72a | 221 | dev_warn_ratelimited(ar->dev, "%pV", &vaf); |
d35a6c18 | 222 | trace_ath10k_log_warn(ar, &vaf); |
5e3dd157 KV |
223 | |
224 | va_end(args); | |
5e3dd157 KV |
225 | } |
226 | EXPORT_SYMBOL(ath10k_warn); | |
227 | ||
228 | #ifdef CONFIG_ATH10K_DEBUGFS | |
229 | ||
5e3dd157 KV |
230 | static ssize_t ath10k_read_wmi_services(struct file *file, |
231 | char __user *user_buf, | |
232 | size_t count, loff_t *ppos) | |
233 | { | |
234 | struct ath10k *ar = file->private_data; | |
235 | char *buf; | |
cff990ce MK |
236 | unsigned int len = 0, buf_len = 4096; |
237 | const char *name; | |
5e3dd157 | 238 | ssize_t ret_cnt; |
cff990ce | 239 | bool enabled; |
5e3dd157 KV |
240 | int i; |
241 | ||
242 | buf = kzalloc(buf_len, GFP_KERNEL); | |
243 | if (!buf) | |
244 | return -ENOMEM; | |
245 | ||
246 | mutex_lock(&ar->conf_mutex); | |
247 | ||
248 | if (len > buf_len) | |
249 | len = buf_len; | |
250 | ||
acfe7ecf | 251 | spin_lock_bh(&ar->data_lock); |
c4f8c836 | 252 | for (i = 0; i < WMI_SERVICE_MAX; i++) { |
acfe7ecf | 253 | enabled = test_bit(i, ar->wmi.svc_map); |
cff990ce MK |
254 | name = wmi_service_name(i); |
255 | ||
256 | if (!name) { | |
257 | if (enabled) | |
258 | len += scnprintf(buf + len, buf_len - len, | |
259 | "%-40s %s (bit %d)\n", | |
260 | "unknown", "enabled", i); | |
261 | ||
262 | continue; | |
263 | } | |
5e3dd157 KV |
264 | |
265 | len += scnprintf(buf + len, buf_len - len, | |
cff990ce MK |
266 | "%-40s %s\n", |
267 | name, enabled ? "enabled" : "-"); | |
5e3dd157 | 268 | } |
acfe7ecf | 269 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
270 | |
271 | ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
272 | ||
273 | mutex_unlock(&ar->conf_mutex); | |
274 | ||
275 | kfree(buf); | |
276 | return ret_cnt; | |
277 | } | |
278 | ||
279 | static const struct file_operations fops_wmi_services = { | |
280 | .read = ath10k_read_wmi_services, | |
281 | .open = simple_open, | |
282 | .owner = THIS_MODULE, | |
283 | .llseek = default_llseek, | |
284 | }; | |
285 | ||
b4619ea2 | 286 | static void ath10k_fw_stats_pdevs_free(struct list_head *head) |
5326849a MK |
287 | { |
288 | struct ath10k_fw_stats_pdev *i, *tmp; | |
289 | ||
290 | list_for_each_entry_safe(i, tmp, head, list) { | |
291 | list_del(&i->list); | |
292 | kfree(i); | |
293 | } | |
294 | } | |
295 | ||
b4619ea2 | 296 | static void ath10k_fw_stats_vdevs_free(struct list_head *head) |
7b6b153a MK |
297 | { |
298 | struct ath10k_fw_stats_vdev *i, *tmp; | |
299 | ||
300 | list_for_each_entry_safe(i, tmp, head, list) { | |
301 | list_del(&i->list); | |
302 | kfree(i); | |
303 | } | |
304 | } | |
305 | ||
b4619ea2 | 306 | static void ath10k_fw_stats_peers_free(struct list_head *head) |
5326849a MK |
307 | { |
308 | struct ath10k_fw_stats_peer *i, *tmp; | |
309 | ||
310 | list_for_each_entry_safe(i, tmp, head, list) { | |
311 | list_del(&i->list); | |
312 | kfree(i); | |
313 | } | |
314 | } | |
315 | ||
4a49ae94 MSS |
316 | static void ath10k_fw_extd_stats_peers_free(struct list_head *head) |
317 | { | |
318 | struct ath10k_fw_extd_stats_peer *i, *tmp; | |
319 | ||
320 | list_for_each_entry_safe(i, tmp, head, list) { | |
321 | list_del(&i->list); | |
322 | kfree(i); | |
323 | } | |
324 | } | |
325 | ||
5326849a MK |
326 | static void ath10k_debug_fw_stats_reset(struct ath10k *ar) |
327 | { | |
328 | spin_lock_bh(&ar->data_lock); | |
329 | ar->debug.fw_stats_done = false; | |
4a49ae94 | 330 | ar->debug.fw_stats.extended = false; |
b4619ea2 MSS |
331 | ath10k_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs); |
332 | ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs); | |
333 | ath10k_fw_stats_peers_free(&ar->debug.fw_stats.peers); | |
4a49ae94 | 334 | ath10k_fw_extd_stats_peers_free(&ar->debug.fw_stats.peers_extd); |
5326849a MK |
335 | spin_unlock_bh(&ar->data_lock); |
336 | } | |
337 | ||
60ef401a | 338 | void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb) |
5e3dd157 | 339 | { |
5326849a | 340 | struct ath10k_fw_stats stats = {}; |
cc61a1bb | 341 | bool is_start, is_started, is_end; |
5326849a | 342 | size_t num_peers; |
7b6b153a | 343 | size_t num_vdevs; |
d15fb520 | 344 | int ret; |
5e3dd157 | 345 | |
5326849a | 346 | INIT_LIST_HEAD(&stats.pdevs); |
7b6b153a | 347 | INIT_LIST_HEAD(&stats.vdevs); |
5326849a | 348 | INIT_LIST_HEAD(&stats.peers); |
4a49ae94 | 349 | INIT_LIST_HEAD(&stats.peers_extd); |
5e3dd157 | 350 | |
5326849a MK |
351 | spin_lock_bh(&ar->data_lock); |
352 | ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats); | |
d15fb520 MK |
353 | if (ret) { |
354 | ath10k_warn(ar, "failed to pull fw stats: %d\n", ret); | |
5db879ae | 355 | goto free; |
5e3dd157 KV |
356 | } |
357 | ||
5326849a MK |
358 | /* Stat data may exceed htc-wmi buffer limit. In such case firmware |
359 | * splits the stats data and delivers it in a ping-pong fashion of | |
360 | * request cmd-update event. | |
361 | * | |
362 | * However there is no explicit end-of-data. Instead start-of-data is | |
363 | * used as an implicit one. This works as follows: | |
364 | * a) discard stat update events until one with pdev stats is | |
365 | * delivered - this skips session started at end of (b) | |
366 | * b) consume stat update events until another one with pdev stats is | |
367 | * delivered which is treated as end-of-data and is itself discarded | |
368 | */ | |
cc61a1bb | 369 | if (ath10k_peer_stats_enabled(ar)) |
4a49ae94 | 370 | ath10k_sta_update_rx_duration(ar, &stats); |
74135f59 | 371 | |
e0b6ce00 | 372 | if (ar->debug.fw_stats_done) { |
cc61a1bb | 373 | if (!ath10k_peer_stats_enabled(ar)) |
e0b6ce00 MSS |
374 | ath10k_warn(ar, "received unsolicited stats update event\n"); |
375 | ||
5326849a MK |
376 | goto free; |
377 | } | |
378 | ||
bc6f9ae6 MP |
379 | num_peers = ath10k_wmi_fw_stats_num_peers(&ar->debug.fw_stats.peers); |
380 | num_vdevs = ath10k_wmi_fw_stats_num_vdevs(&ar->debug.fw_stats.vdevs); | |
5326849a MK |
381 | is_start = (list_empty(&ar->debug.fw_stats.pdevs) && |
382 | !list_empty(&stats.pdevs)); | |
383 | is_end = (!list_empty(&ar->debug.fw_stats.pdevs) && | |
384 | !list_empty(&stats.pdevs)); | |
385 | ||
386 | if (is_start) | |
387 | list_splice_tail_init(&stats.pdevs, &ar->debug.fw_stats.pdevs); | |
388 | ||
389 | if (is_end) | |
390 | ar->debug.fw_stats_done = true; | |
391 | ||
392 | is_started = !list_empty(&ar->debug.fw_stats.pdevs); | |
393 | ||
394 | if (is_started && !is_end) { | |
395 | if (num_peers >= ATH10K_MAX_NUM_PEER_IDS) { | |
396 | /* Although this is unlikely impose a sane limit to | |
397 | * prevent firmware from DoS-ing the host. | |
398 | */ | |
d57e7f2e | 399 | ath10k_fw_stats_peers_free(&ar->debug.fw_stats.peers); |
5326849a MK |
400 | ath10k_warn(ar, "dropping fw peer stats\n"); |
401 | goto free; | |
402 | } | |
403 | ||
7b6b153a | 404 | if (num_vdevs >= BITS_PER_LONG) { |
d57e7f2e | 405 | ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs); |
7b6b153a MK |
406 | ath10k_warn(ar, "dropping fw vdev stats\n"); |
407 | goto free; | |
408 | } | |
409 | ||
5326849a | 410 | list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers); |
7b6b153a | 411 | list_splice_tail_init(&stats.vdevs, &ar->debug.fw_stats.vdevs); |
4a49ae94 MSS |
412 | list_splice_tail_init(&stats.peers_extd, |
413 | &ar->debug.fw_stats.peers_extd); | |
5326849a MK |
414 | } |
415 | ||
60ef401a | 416 | complete(&ar->debug.fw_stats_complete); |
5e3dd157 | 417 | |
5326849a MK |
418 | free: |
419 | /* In some cases lists have been spliced and cleared. Free up | |
420 | * resources if that is not the case. | |
421 | */ | |
b4619ea2 MSS |
422 | ath10k_fw_stats_pdevs_free(&stats.pdevs); |
423 | ath10k_fw_stats_vdevs_free(&stats.vdevs); | |
424 | ath10k_fw_stats_peers_free(&stats.peers); | |
4a49ae94 | 425 | ath10k_fw_extd_stats_peers_free(&stats.peers_extd); |
5326849a | 426 | |
87571bf0 | 427 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
428 | } |
429 | ||
5326849a | 430 | static int ath10k_debug_fw_stats_request(struct ath10k *ar) |
5e3dd157 | 431 | { |
6e8d5438 | 432 | unsigned long timeout, time_left; |
5e3dd157 KV |
433 | int ret; |
434 | ||
fb2e9c0c | 435 | lockdep_assert_held(&ar->conf_mutex); |
5e3dd157 | 436 | |
6e8d5438 | 437 | timeout = jiffies + msecs_to_jiffies(1 * HZ); |
5326849a MK |
438 | |
439 | ath10k_debug_fw_stats_reset(ar); | |
440 | ||
441 | for (;;) { | |
442 | if (time_after(jiffies, timeout)) | |
443 | return -ETIMEDOUT; | |
444 | ||
445 | reinit_completion(&ar->debug.fw_stats_complete); | |
446 | ||
6274cd41 | 447 | ret = ath10k_wmi_request_stats(ar, ar->fw_stats_req_mask); |
5326849a MK |
448 | if (ret) { |
449 | ath10k_warn(ar, "could not request stats (%d)\n", ret); | |
450 | return ret; | |
451 | } | |
5e3dd157 | 452 | |
6e8d5438 NMG |
453 | time_left = |
454 | wait_for_completion_timeout(&ar->debug.fw_stats_complete, | |
455 | 1 * HZ); | |
456 | if (!time_left) | |
5326849a MK |
457 | return -ETIMEDOUT; |
458 | ||
459 | spin_lock_bh(&ar->data_lock); | |
460 | if (ar->debug.fw_stats_done) { | |
461 | spin_unlock_bh(&ar->data_lock); | |
462 | break; | |
463 | } | |
464 | spin_unlock_bh(&ar->data_lock); | |
465 | } | |
fb2e9c0c MK |
466 | |
467 | return 0; | |
468 | } | |
469 | ||
fb2e9c0c MK |
470 | static int ath10k_fw_stats_open(struct inode *inode, struct file *file) |
471 | { | |
472 | struct ath10k *ar = inode->i_private; | |
473 | void *buf = NULL; | |
474 | int ret; | |
475 | ||
476 | mutex_lock(&ar->conf_mutex); | |
477 | ||
478 | if (ar->state != ATH10K_STATE_ON) { | |
479 | ret = -ENETDOWN; | |
480 | goto err_unlock; | |
481 | } | |
482 | ||
483 | buf = vmalloc(ATH10K_FW_STATS_BUF_SIZE); | |
484 | if (!buf) { | |
485 | ret = -ENOMEM; | |
486 | goto err_unlock; | |
487 | } | |
488 | ||
5326849a | 489 | ret = ath10k_debug_fw_stats_request(ar); |
fb2e9c0c MK |
490 | if (ret) { |
491 | ath10k_warn(ar, "failed to request fw stats: %d\n", ret); | |
492 | goto err_free; | |
493 | } | |
494 | ||
bc6f9ae6 MP |
495 | ret = ath10k_wmi_fw_stats_fill(ar, &ar->debug.fw_stats, buf); |
496 | if (ret) { | |
497 | ath10k_warn(ar, "failed to fill fw stats: %d\n", ret); | |
498 | goto err_free; | |
499 | } | |
500 | ||
fb2e9c0c | 501 | file->private_data = buf; |
5e3dd157 KV |
502 | |
503 | mutex_unlock(&ar->conf_mutex); | |
fb2e9c0c MK |
504 | return 0; |
505 | ||
506 | err_free: | |
507 | vfree(buf); | |
508 | ||
509 | err_unlock: | |
510 | mutex_unlock(&ar->conf_mutex); | |
511 | return ret; | |
512 | } | |
513 | ||
514 | static int ath10k_fw_stats_release(struct inode *inode, struct file *file) | |
515 | { | |
516 | vfree(file->private_data); | |
517 | ||
518 | return 0; | |
519 | } | |
520 | ||
521 | static ssize_t ath10k_fw_stats_read(struct file *file, char __user *user_buf, | |
522 | size_t count, loff_t *ppos) | |
523 | { | |
524 | const char *buf = file->private_data; | |
525 | unsigned int len = strlen(buf); | |
526 | ||
527 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
5e3dd157 KV |
528 | } |
529 | ||
530 | static const struct file_operations fops_fw_stats = { | |
fb2e9c0c MK |
531 | .open = ath10k_fw_stats_open, |
532 | .release = ath10k_fw_stats_release, | |
60ef401a | 533 | .read = ath10k_fw_stats_read, |
5e3dd157 KV |
534 | .owner = THIS_MODULE, |
535 | .llseek = default_llseek, | |
536 | }; | |
537 | ||
f51dbe73 BG |
538 | static ssize_t ath10k_debug_fw_reset_stats_read(struct file *file, |
539 | char __user *user_buf, | |
540 | size_t count, loff_t *ppos) | |
541 | { | |
542 | struct ath10k *ar = file->private_data; | |
543 | int ret, len, buf_len; | |
544 | char *buf; | |
545 | ||
546 | buf_len = 500; | |
547 | buf = kmalloc(buf_len, GFP_KERNEL); | |
548 | if (!buf) | |
549 | return -ENOMEM; | |
550 | ||
551 | spin_lock_bh(&ar->data_lock); | |
552 | ||
553 | len = 0; | |
554 | len += scnprintf(buf + len, buf_len - len, | |
555 | "fw_crash_counter\t\t%d\n", ar->stats.fw_crash_counter); | |
556 | len += scnprintf(buf + len, buf_len - len, | |
557 | "fw_warm_reset_counter\t\t%d\n", | |
558 | ar->stats.fw_warm_reset_counter); | |
559 | len += scnprintf(buf + len, buf_len - len, | |
560 | "fw_cold_reset_counter\t\t%d\n", | |
561 | ar->stats.fw_cold_reset_counter); | |
562 | ||
563 | spin_unlock_bh(&ar->data_lock); | |
564 | ||
565 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
566 | ||
567 | kfree(buf); | |
568 | ||
569 | return ret; | |
570 | } | |
571 | ||
572 | static const struct file_operations fops_fw_reset_stats = { | |
573 | .open = simple_open, | |
574 | .read = ath10k_debug_fw_reset_stats_read, | |
575 | .owner = THIS_MODULE, | |
576 | .llseek = default_llseek, | |
577 | }; | |
578 | ||
d5aebc77 BG |
579 | /* This is a clean assert crash in firmware. */ |
580 | static int ath10k_debug_fw_assert(struct ath10k *ar) | |
581 | { | |
582 | struct wmi_vdev_install_key_cmd *cmd; | |
583 | struct sk_buff *skb; | |
584 | ||
585 | skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd) + 16); | |
586 | if (!skb) | |
587 | return -ENOMEM; | |
588 | ||
589 | cmd = (struct wmi_vdev_install_key_cmd *)skb->data; | |
590 | memset(cmd, 0, sizeof(*cmd)); | |
591 | ||
592 | /* big enough number so that firmware asserts */ | |
593 | cmd->vdev_id = __cpu_to_le32(0x7ffe); | |
594 | ||
595 | return ath10k_wmi_cmd_send(ar, skb, | |
596 | ar->wmi.cmd->vdev_install_key_cmdid); | |
597 | } | |
598 | ||
278c4a85 MK |
599 | static ssize_t ath10k_read_simulate_fw_crash(struct file *file, |
600 | char __user *user_buf, | |
601 | size_t count, loff_t *ppos) | |
602 | { | |
75cb96d3 KV |
603 | const char buf[] = |
604 | "To simulate firmware crash write one of the keywords to this file:\n" | |
605 | "`soft` - this will send WMI_FORCE_FW_HANG_ASSERT to firmware if FW supports that command.\n" | |
606 | "`hard` - this will send to firmware command with illegal parameters causing firmware crash.\n" | |
605cdba1 MK |
607 | "`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n" |
608 | "`hw-restart` - this will simply queue hw restart without fw/hw actually crashing.\n"; | |
8c656992 | 609 | |
278c4a85 MK |
610 | return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); |
611 | } | |
612 | ||
8c656992 MP |
613 | /* Simulate firmware crash: |
614 | * 'soft': Call wmi command causing firmware hang. This firmware hang is | |
615 | * recoverable by warm firmware reset. | |
616 | * 'hard': Force firmware crash by setting any vdev parameter for not allowed | |
617 | * vdev id. This is hard firmware crash because it is recoverable only by cold | |
618 | * firmware reset. | |
619 | */ | |
278c4a85 MK |
620 | static ssize_t ath10k_write_simulate_fw_crash(struct file *file, |
621 | const char __user *user_buf, | |
622 | size_t count, loff_t *ppos) | |
623 | { | |
624 | struct ath10k *ar = file->private_data; | |
8c656992 | 625 | char buf[32]; |
278c4a85 MK |
626 | int ret; |
627 | ||
278c4a85 | 628 | simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); |
8c656992 MP |
629 | |
630 | /* make sure that buf is null terminated */ | |
631 | buf[sizeof(buf) - 1] = 0; | |
278c4a85 | 632 | |
f5e30751 MSS |
633 | /* drop the possible '\n' from the end */ |
634 | if (buf[count - 1] == '\n') | |
635 | buf[count - 1] = 0; | |
636 | ||
637 | mutex_lock(&ar->conf_mutex); | |
638 | ||
278c4a85 MK |
639 | if (ar->state != ATH10K_STATE_ON && |
640 | ar->state != ATH10K_STATE_RESTARTED) { | |
641 | ret = -ENETDOWN; | |
642 | goto exit; | |
643 | } | |
644 | ||
8c656992 | 645 | if (!strcmp(buf, "soft")) { |
7aa7a72a | 646 | ath10k_info(ar, "simulating soft firmware crash\n"); |
8c656992 MP |
647 | ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0); |
648 | } else if (!strcmp(buf, "hard")) { | |
7aa7a72a | 649 | ath10k_info(ar, "simulating hard firmware crash\n"); |
611b3682 BG |
650 | /* 0x7fff is vdev id, and it is always out of range for all |
651 | * firmware variants in order to force a firmware crash. | |
652 | */ | |
653 | ret = ath10k_wmi_vdev_set_param(ar, 0x7fff, | |
5b07e07f KV |
654 | ar->wmi.vdev_param->rts_threshold, |
655 | 0); | |
d5aebc77 BG |
656 | } else if (!strcmp(buf, "assert")) { |
657 | ath10k_info(ar, "simulating firmware assert crash\n"); | |
658 | ret = ath10k_debug_fw_assert(ar); | |
605cdba1 MK |
659 | } else if (!strcmp(buf, "hw-restart")) { |
660 | ath10k_info(ar, "user requested hw restart\n"); | |
661 | queue_work(ar->workqueue, &ar->restart_work); | |
662 | ret = 0; | |
8c656992 MP |
663 | } else { |
664 | ret = -EINVAL; | |
665 | goto exit; | |
666 | } | |
278c4a85 | 667 | |
8c656992 | 668 | if (ret) { |
7aa7a72a | 669 | ath10k_warn(ar, "failed to simulate firmware crash: %d\n", ret); |
8c656992 MP |
670 | goto exit; |
671 | } | |
278c4a85 | 672 | |
8c656992 | 673 | ret = count; |
278c4a85 MK |
674 | |
675 | exit: | |
676 | mutex_unlock(&ar->conf_mutex); | |
677 | return ret; | |
678 | } | |
679 | ||
680 | static const struct file_operations fops_simulate_fw_crash = { | |
681 | .read = ath10k_read_simulate_fw_crash, | |
682 | .write = ath10k_write_simulate_fw_crash, | |
683 | .open = simple_open, | |
684 | .owner = THIS_MODULE, | |
685 | .llseek = default_llseek, | |
686 | }; | |
687 | ||
763b8cd3 KV |
688 | static ssize_t ath10k_read_chip_id(struct file *file, char __user *user_buf, |
689 | size_t count, loff_t *ppos) | |
690 | { | |
691 | struct ath10k *ar = file->private_data; | |
692 | unsigned int len; | |
693 | char buf[50]; | |
694 | ||
695 | len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->chip_id); | |
696 | ||
697 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
698 | } | |
699 | ||
700 | static const struct file_operations fops_chip_id = { | |
701 | .read = ath10k_read_chip_id, | |
702 | .open = simple_open, | |
703 | .owner = THIS_MODULE, | |
704 | .llseek = default_llseek, | |
705 | }; | |
706 | ||
384914b2 BG |
707 | struct ath10k_fw_crash_data * |
708 | ath10k_debug_get_new_fw_crash_data(struct ath10k *ar) | |
709 | { | |
710 | struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data; | |
711 | ||
712 | lockdep_assert_held(&ar->data_lock); | |
713 | ||
714 | crash_data->crashed_since_read = true; | |
715 | uuid_le_gen(&crash_data->uuid); | |
716 | getnstimeofday(&crash_data->timestamp); | |
717 | ||
718 | return crash_data; | |
719 | } | |
720 | EXPORT_SYMBOL(ath10k_debug_get_new_fw_crash_data); | |
721 | ||
722 | static struct ath10k_dump_file_data *ath10k_build_dump_file(struct ath10k *ar) | |
723 | { | |
724 | struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data; | |
725 | struct ath10k_dump_file_data *dump_data; | |
726 | struct ath10k_tlv_dump_data *dump_tlv; | |
727 | int hdr_len = sizeof(*dump_data); | |
728 | unsigned int len, sofar = 0; | |
729 | unsigned char *buf; | |
730 | ||
731 | len = hdr_len; | |
732 | len += sizeof(*dump_tlv) + sizeof(crash_data->registers); | |
733 | ||
734 | sofar += hdr_len; | |
735 | ||
736 | /* This is going to get big when we start dumping FW RAM and such, | |
737 | * so go ahead and use vmalloc. | |
738 | */ | |
739 | buf = vzalloc(len); | |
740 | if (!buf) | |
741 | return NULL; | |
742 | ||
743 | spin_lock_bh(&ar->data_lock); | |
744 | ||
745 | if (!crash_data->crashed_since_read) { | |
746 | spin_unlock_bh(&ar->data_lock); | |
747 | vfree(buf); | |
748 | return NULL; | |
749 | } | |
750 | ||
751 | dump_data = (struct ath10k_dump_file_data *)(buf); | |
752 | strlcpy(dump_data->df_magic, "ATH10K-FW-DUMP", | |
753 | sizeof(dump_data->df_magic)); | |
754 | dump_data->len = cpu_to_le32(len); | |
755 | ||
756 | dump_data->version = cpu_to_le32(ATH10K_FW_CRASH_DUMP_VERSION); | |
757 | ||
758 | memcpy(dump_data->uuid, &crash_data->uuid, sizeof(dump_data->uuid)); | |
759 | dump_data->chip_id = cpu_to_le32(ar->chip_id); | |
760 | dump_data->bus_type = cpu_to_le32(0); | |
761 | dump_data->target_version = cpu_to_le32(ar->target_version); | |
762 | dump_data->fw_version_major = cpu_to_le32(ar->fw_version_major); | |
763 | dump_data->fw_version_minor = cpu_to_le32(ar->fw_version_minor); | |
764 | dump_data->fw_version_release = cpu_to_le32(ar->fw_version_release); | |
765 | dump_data->fw_version_build = cpu_to_le32(ar->fw_version_build); | |
766 | dump_data->phy_capability = cpu_to_le32(ar->phy_capability); | |
767 | dump_data->hw_min_tx_power = cpu_to_le32(ar->hw_min_tx_power); | |
768 | dump_data->hw_max_tx_power = cpu_to_le32(ar->hw_max_tx_power); | |
769 | dump_data->ht_cap_info = cpu_to_le32(ar->ht_cap_info); | |
770 | dump_data->vht_cap_info = cpu_to_le32(ar->vht_cap_info); | |
771 | dump_data->num_rf_chains = cpu_to_le32(ar->num_rf_chains); | |
772 | ||
773 | strlcpy(dump_data->fw_ver, ar->hw->wiphy->fw_version, | |
774 | sizeof(dump_data->fw_ver)); | |
775 | ||
12c27156 JB |
776 | dump_data->kernel_ver_code = 0; |
777 | strlcpy(dump_data->kernel_ver, init_utsname()->release, | |
384914b2 BG |
778 | sizeof(dump_data->kernel_ver)); |
779 | ||
780 | dump_data->tv_sec = cpu_to_le64(crash_data->timestamp.tv_sec); | |
781 | dump_data->tv_nsec = cpu_to_le64(crash_data->timestamp.tv_nsec); | |
782 | ||
783 | /* Gather crash-dump */ | |
784 | dump_tlv = (struct ath10k_tlv_dump_data *)(buf + sofar); | |
785 | dump_tlv->type = cpu_to_le32(ATH10K_FW_CRASH_DUMP_REGISTERS); | |
786 | dump_tlv->tlv_len = cpu_to_le32(sizeof(crash_data->registers)); | |
787 | memcpy(dump_tlv->tlv_data, &crash_data->registers, | |
788 | sizeof(crash_data->registers)); | |
789 | sofar += sizeof(*dump_tlv) + sizeof(crash_data->registers); | |
790 | ||
791 | ar->debug.fw_crash_data->crashed_since_read = false; | |
792 | ||
793 | spin_unlock_bh(&ar->data_lock); | |
794 | ||
795 | return dump_data; | |
796 | } | |
797 | ||
798 | static int ath10k_fw_crash_dump_open(struct inode *inode, struct file *file) | |
799 | { | |
800 | struct ath10k *ar = inode->i_private; | |
801 | struct ath10k_dump_file_data *dump; | |
802 | ||
803 | dump = ath10k_build_dump_file(ar); | |
804 | if (!dump) | |
805 | return -ENODATA; | |
806 | ||
807 | file->private_data = dump; | |
808 | ||
809 | return 0; | |
810 | } | |
811 | ||
812 | static ssize_t ath10k_fw_crash_dump_read(struct file *file, | |
813 | char __user *user_buf, | |
814 | size_t count, loff_t *ppos) | |
815 | { | |
816 | struct ath10k_dump_file_data *dump_file = file->private_data; | |
817 | ||
818 | return simple_read_from_buffer(user_buf, count, ppos, | |
819 | dump_file, | |
820 | le32_to_cpu(dump_file->len)); | |
821 | } | |
822 | ||
823 | static int ath10k_fw_crash_dump_release(struct inode *inode, | |
824 | struct file *file) | |
825 | { | |
826 | vfree(file->private_data); | |
827 | ||
828 | return 0; | |
829 | } | |
830 | ||
831 | static const struct file_operations fops_fw_crash_dump = { | |
832 | .open = ath10k_fw_crash_dump_open, | |
833 | .read = ath10k_fw_crash_dump_read, | |
834 | .release = ath10k_fw_crash_dump_release, | |
835 | .owner = THIS_MODULE, | |
836 | .llseek = default_llseek, | |
837 | }; | |
838 | ||
077a3804 YL |
839 | static ssize_t ath10k_reg_addr_read(struct file *file, |
840 | char __user *user_buf, | |
841 | size_t count, loff_t *ppos) | |
842 | { | |
843 | struct ath10k *ar = file->private_data; | |
844 | u8 buf[32]; | |
845 | unsigned int len = 0; | |
846 | u32 reg_addr; | |
847 | ||
848 | mutex_lock(&ar->conf_mutex); | |
849 | reg_addr = ar->debug.reg_addr; | |
850 | mutex_unlock(&ar->conf_mutex); | |
851 | ||
852 | len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n", reg_addr); | |
853 | ||
854 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
855 | } | |
856 | ||
857 | static ssize_t ath10k_reg_addr_write(struct file *file, | |
858 | const char __user *user_buf, | |
859 | size_t count, loff_t *ppos) | |
860 | { | |
861 | struct ath10k *ar = file->private_data; | |
862 | u32 reg_addr; | |
863 | int ret; | |
864 | ||
865 | ret = kstrtou32_from_user(user_buf, count, 0, ®_addr); | |
866 | if (ret) | |
867 | return ret; | |
868 | ||
869 | if (!IS_ALIGNED(reg_addr, 4)) | |
870 | return -EFAULT; | |
871 | ||
872 | mutex_lock(&ar->conf_mutex); | |
873 | ar->debug.reg_addr = reg_addr; | |
874 | mutex_unlock(&ar->conf_mutex); | |
875 | ||
876 | return count; | |
877 | } | |
878 | ||
879 | static const struct file_operations fops_reg_addr = { | |
880 | .read = ath10k_reg_addr_read, | |
881 | .write = ath10k_reg_addr_write, | |
882 | .open = simple_open, | |
883 | .owner = THIS_MODULE, | |
884 | .llseek = default_llseek, | |
885 | }; | |
886 | ||
887 | static ssize_t ath10k_reg_value_read(struct file *file, | |
888 | char __user *user_buf, | |
889 | size_t count, loff_t *ppos) | |
890 | { | |
891 | struct ath10k *ar = file->private_data; | |
892 | u8 buf[48]; | |
893 | unsigned int len; | |
894 | u32 reg_addr, reg_val; | |
895 | int ret; | |
896 | ||
897 | mutex_lock(&ar->conf_mutex); | |
898 | ||
899 | if (ar->state != ATH10K_STATE_ON && | |
900 | ar->state != ATH10K_STATE_UTF) { | |
901 | ret = -ENETDOWN; | |
902 | goto exit; | |
903 | } | |
904 | ||
905 | reg_addr = ar->debug.reg_addr; | |
906 | ||
907 | reg_val = ath10k_hif_read32(ar, reg_addr); | |
908 | len = scnprintf(buf, sizeof(buf), "0x%08x:0x%08x\n", reg_addr, reg_val); | |
909 | ||
910 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
911 | ||
912 | exit: | |
913 | mutex_unlock(&ar->conf_mutex); | |
914 | ||
915 | return ret; | |
916 | } | |
917 | ||
918 | static ssize_t ath10k_reg_value_write(struct file *file, | |
919 | const char __user *user_buf, | |
920 | size_t count, loff_t *ppos) | |
921 | { | |
922 | struct ath10k *ar = file->private_data; | |
923 | u32 reg_addr, reg_val; | |
924 | int ret; | |
925 | ||
926 | mutex_lock(&ar->conf_mutex); | |
927 | ||
928 | if (ar->state != ATH10K_STATE_ON && | |
929 | ar->state != ATH10K_STATE_UTF) { | |
930 | ret = -ENETDOWN; | |
931 | goto exit; | |
932 | } | |
933 | ||
934 | reg_addr = ar->debug.reg_addr; | |
935 | ||
936 | ret = kstrtou32_from_user(user_buf, count, 0, ®_val); | |
937 | if (ret) | |
938 | goto exit; | |
939 | ||
940 | ath10k_hif_write32(ar, reg_addr, reg_val); | |
941 | ||
942 | ret = count; | |
943 | ||
944 | exit: | |
945 | mutex_unlock(&ar->conf_mutex); | |
946 | ||
947 | return ret; | |
948 | } | |
949 | ||
950 | static const struct file_operations fops_reg_value = { | |
951 | .read = ath10k_reg_value_read, | |
952 | .write = ath10k_reg_value_write, | |
953 | .open = simple_open, | |
954 | .owner = THIS_MODULE, | |
955 | .llseek = default_llseek, | |
956 | }; | |
957 | ||
9f65ad25 YL |
958 | static ssize_t ath10k_mem_value_read(struct file *file, |
959 | char __user *user_buf, | |
960 | size_t count, loff_t *ppos) | |
961 | { | |
962 | struct ath10k *ar = file->private_data; | |
963 | u8 *buf; | |
964 | int ret; | |
965 | ||
966 | if (*ppos < 0) | |
967 | return -EINVAL; | |
968 | ||
969 | if (!count) | |
970 | return 0; | |
971 | ||
972 | mutex_lock(&ar->conf_mutex); | |
973 | ||
974 | buf = vmalloc(count); | |
975 | if (!buf) { | |
976 | ret = -ENOMEM; | |
977 | goto exit; | |
978 | } | |
979 | ||
980 | if (ar->state != ATH10K_STATE_ON && | |
981 | ar->state != ATH10K_STATE_UTF) { | |
982 | ret = -ENETDOWN; | |
983 | goto exit; | |
984 | } | |
985 | ||
986 | ret = ath10k_hif_diag_read(ar, *ppos, buf, count); | |
987 | if (ret) { | |
988 | ath10k_warn(ar, "failed to read address 0x%08x via diagnose window fnrom debugfs: %d\n", | |
989 | (u32)(*ppos), ret); | |
990 | goto exit; | |
991 | } | |
992 | ||
993 | ret = copy_to_user(user_buf, buf, count); | |
994 | if (ret) { | |
995 | ret = -EFAULT; | |
996 | goto exit; | |
997 | } | |
998 | ||
999 | count -= ret; | |
1000 | *ppos += count; | |
1001 | ret = count; | |
1002 | ||
1003 | exit: | |
1004 | vfree(buf); | |
1005 | mutex_unlock(&ar->conf_mutex); | |
1006 | ||
1007 | return ret; | |
1008 | } | |
1009 | ||
1010 | static ssize_t ath10k_mem_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 | u8 *buf; | |
1016 | int ret; | |
1017 | ||
1018 | if (*ppos < 0) | |
1019 | return -EINVAL; | |
1020 | ||
1021 | if (!count) | |
1022 | return 0; | |
1023 | ||
1024 | mutex_lock(&ar->conf_mutex); | |
1025 | ||
1026 | buf = vmalloc(count); | |
1027 | if (!buf) { | |
1028 | ret = -ENOMEM; | |
1029 | goto exit; | |
1030 | } | |
1031 | ||
1032 | if (ar->state != ATH10K_STATE_ON && | |
1033 | ar->state != ATH10K_STATE_UTF) { | |
1034 | ret = -ENETDOWN; | |
1035 | goto exit; | |
1036 | } | |
1037 | ||
1038 | ret = copy_from_user(buf, user_buf, count); | |
1039 | if (ret) { | |
1040 | ret = -EFAULT; | |
1041 | goto exit; | |
1042 | } | |
1043 | ||
1044 | ret = ath10k_hif_diag_write(ar, *ppos, buf, count); | |
1045 | if (ret) { | |
1046 | ath10k_warn(ar, "failed to write address 0x%08x via diagnose window from debugfs: %d\n", | |
1047 | (u32)(*ppos), ret); | |
1048 | goto exit; | |
1049 | } | |
1050 | ||
1051 | *ppos += count; | |
1052 | ret = count; | |
1053 | ||
1054 | exit: | |
1055 | vfree(buf); | |
1056 | mutex_unlock(&ar->conf_mutex); | |
1057 | ||
1058 | return ret; | |
1059 | } | |
1060 | ||
1061 | static const struct file_operations fops_mem_value = { | |
1062 | .read = ath10k_mem_value_read, | |
1063 | .write = ath10k_mem_value_write, | |
1064 | .open = simple_open, | |
1065 | .owner = THIS_MODULE, | |
1066 | .llseek = default_llseek, | |
1067 | }; | |
1068 | ||
a3d135e5 KV |
1069 | static int ath10k_debug_htt_stats_req(struct ath10k *ar) |
1070 | { | |
1071 | u64 cookie; | |
1072 | int ret; | |
1073 | ||
1074 | lockdep_assert_held(&ar->conf_mutex); | |
1075 | ||
1076 | if (ar->debug.htt_stats_mask == 0) | |
1077 | /* htt stats are disabled */ | |
1078 | return 0; | |
1079 | ||
1080 | if (ar->state != ATH10K_STATE_ON) | |
1081 | return 0; | |
1082 | ||
1083 | cookie = get_jiffies_64(); | |
1084 | ||
1085 | ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask, | |
1086 | cookie); | |
1087 | if (ret) { | |
7aa7a72a | 1088 | ath10k_warn(ar, "failed to send htt stats request: %d\n", ret); |
a3d135e5 KV |
1089 | return ret; |
1090 | } | |
1091 | ||
1092 | queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork, | |
1093 | msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL)); | |
1094 | ||
1095 | return 0; | |
1096 | } | |
1097 | ||
1098 | static void ath10k_debug_htt_stats_dwork(struct work_struct *work) | |
1099 | { | |
1100 | struct ath10k *ar = container_of(work, struct ath10k, | |
1101 | debug.htt_stats_dwork.work); | |
1102 | ||
1103 | mutex_lock(&ar->conf_mutex); | |
1104 | ||
1105 | ath10k_debug_htt_stats_req(ar); | |
1106 | ||
1107 | mutex_unlock(&ar->conf_mutex); | |
1108 | } | |
1109 | ||
1110 | static ssize_t ath10k_read_htt_stats_mask(struct file *file, | |
5b07e07f KV |
1111 | char __user *user_buf, |
1112 | size_t count, loff_t *ppos) | |
a3d135e5 KV |
1113 | { |
1114 | struct ath10k *ar = file->private_data; | |
1115 | char buf[32]; | |
1116 | unsigned int len; | |
1117 | ||
1118 | len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask); | |
1119 | ||
1120 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1121 | } | |
1122 | ||
1123 | static ssize_t ath10k_write_htt_stats_mask(struct file *file, | |
5b07e07f KV |
1124 | const char __user *user_buf, |
1125 | size_t count, loff_t *ppos) | |
a3d135e5 KV |
1126 | { |
1127 | struct ath10k *ar = file->private_data; | |
1128 | unsigned long mask; | |
1129 | int ret; | |
1130 | ||
1131 | ret = kstrtoul_from_user(user_buf, count, 0, &mask); | |
1132 | if (ret) | |
1133 | return ret; | |
1134 | ||
1135 | /* max 8 bit masks (for now) */ | |
1136 | if (mask > 0xff) | |
1137 | return -E2BIG; | |
1138 | ||
1139 | mutex_lock(&ar->conf_mutex); | |
1140 | ||
1141 | ar->debug.htt_stats_mask = mask; | |
1142 | ||
1143 | ret = ath10k_debug_htt_stats_req(ar); | |
1144 | if (ret) | |
1145 | goto out; | |
1146 | ||
1147 | ret = count; | |
1148 | ||
1149 | out: | |
1150 | mutex_unlock(&ar->conf_mutex); | |
1151 | ||
1152 | return ret; | |
1153 | } | |
1154 | ||
1155 | static const struct file_operations fops_htt_stats_mask = { | |
1156 | .read = ath10k_read_htt_stats_mask, | |
1157 | .write = ath10k_write_htt_stats_mask, | |
1158 | .open = simple_open, | |
1159 | .owner = THIS_MODULE, | |
1160 | .llseek = default_llseek, | |
1161 | }; | |
1162 | ||
d385623a JD |
1163 | static ssize_t ath10k_read_htt_max_amsdu_ampdu(struct file *file, |
1164 | char __user *user_buf, | |
1165 | size_t count, loff_t *ppos) | |
1166 | { | |
1167 | struct ath10k *ar = file->private_data; | |
1168 | char buf[64]; | |
81ec3c09 | 1169 | u8 amsdu, ampdu; |
d385623a JD |
1170 | unsigned int len; |
1171 | ||
1172 | mutex_lock(&ar->conf_mutex); | |
1173 | ||
ccec9038 DL |
1174 | amsdu = ar->htt.max_num_amsdu; |
1175 | ampdu = ar->htt.max_num_ampdu; | |
d385623a JD |
1176 | mutex_unlock(&ar->conf_mutex); |
1177 | ||
1178 | len = scnprintf(buf, sizeof(buf), "%u %u\n", amsdu, ampdu); | |
1179 | ||
1180 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1181 | } | |
1182 | ||
1183 | static ssize_t ath10k_write_htt_max_amsdu_ampdu(struct file *file, | |
1184 | const char __user *user_buf, | |
1185 | size_t count, loff_t *ppos) | |
1186 | { | |
1187 | struct ath10k *ar = file->private_data; | |
1188 | int res; | |
1189 | char buf[64]; | |
1190 | unsigned int amsdu, ampdu; | |
1191 | ||
1192 | simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); | |
1193 | ||
1194 | /* make sure that buf is null terminated */ | |
1195 | buf[sizeof(buf) - 1] = 0; | |
1196 | ||
1197 | res = sscanf(buf, "%u %u", &amsdu, &du); | |
1198 | ||
1199 | if (res != 2) | |
1200 | return -EINVAL; | |
1201 | ||
1202 | mutex_lock(&ar->conf_mutex); | |
1203 | ||
1204 | res = ath10k_htt_h2t_aggr_cfg_msg(&ar->htt, ampdu, amsdu); | |
1205 | if (res) | |
1206 | goto out; | |
1207 | ||
1208 | res = count; | |
ccec9038 DL |
1209 | ar->htt.max_num_amsdu = amsdu; |
1210 | ar->htt.max_num_ampdu = ampdu; | |
d385623a JD |
1211 | |
1212 | out: | |
1213 | mutex_unlock(&ar->conf_mutex); | |
1214 | return res; | |
1215 | } | |
1216 | ||
1217 | static const struct file_operations fops_htt_max_amsdu_ampdu = { | |
1218 | .read = ath10k_read_htt_max_amsdu_ampdu, | |
1219 | .write = ath10k_write_htt_max_amsdu_ampdu, | |
1220 | .open = simple_open, | |
1221 | .owner = THIS_MODULE, | |
1222 | .llseek = default_llseek, | |
1223 | }; | |
1224 | ||
f118a3e5 | 1225 | static ssize_t ath10k_read_fw_dbglog(struct file *file, |
5b07e07f KV |
1226 | char __user *user_buf, |
1227 | size_t count, loff_t *ppos) | |
f118a3e5 KV |
1228 | { |
1229 | struct ath10k *ar = file->private_data; | |
1230 | unsigned int len; | |
467210a6 | 1231 | char buf[64]; |
f118a3e5 | 1232 | |
467210a6 SJ |
1233 | len = scnprintf(buf, sizeof(buf), "0x%08x %u\n", |
1234 | ar->debug.fw_dbglog_mask, ar->debug.fw_dbglog_level); | |
f118a3e5 KV |
1235 | |
1236 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1237 | } | |
1238 | ||
1239 | static ssize_t ath10k_write_fw_dbglog(struct file *file, | |
1240 | const char __user *user_buf, | |
1241 | size_t count, loff_t *ppos) | |
1242 | { | |
1243 | struct ath10k *ar = file->private_data; | |
f118a3e5 | 1244 | int ret; |
467210a6 SJ |
1245 | char buf[64]; |
1246 | unsigned int log_level, mask; | |
f118a3e5 | 1247 | |
467210a6 SJ |
1248 | simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); |
1249 | ||
1250 | /* make sure that buf is null terminated */ | |
1251 | buf[sizeof(buf) - 1] = 0; | |
1252 | ||
1253 | ret = sscanf(buf, "%x %u", &mask, &log_level); | |
1254 | ||
1255 | if (!ret) | |
1256 | return -EINVAL; | |
1257 | ||
1258 | if (ret == 1) | |
1259 | /* default if user did not specify */ | |
1260 | log_level = ATH10K_DBGLOG_LEVEL_WARN; | |
f118a3e5 KV |
1261 | |
1262 | mutex_lock(&ar->conf_mutex); | |
1263 | ||
1264 | ar->debug.fw_dbglog_mask = mask; | |
467210a6 | 1265 | ar->debug.fw_dbglog_level = log_level; |
f118a3e5 KV |
1266 | |
1267 | if (ar->state == ATH10K_STATE_ON) { | |
467210a6 SJ |
1268 | ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask, |
1269 | ar->debug.fw_dbglog_level); | |
f118a3e5 | 1270 | if (ret) { |
7aa7a72a | 1271 | ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n", |
f118a3e5 KV |
1272 | ret); |
1273 | goto exit; | |
1274 | } | |
1275 | } | |
1276 | ||
1277 | ret = count; | |
1278 | ||
1279 | exit: | |
1280 | mutex_unlock(&ar->conf_mutex); | |
1281 | ||
1282 | return ret; | |
1283 | } | |
1284 | ||
6cddcc7a BG |
1285 | /* TODO: Would be nice to always support ethtool stats, would need to |
1286 | * move the stats storage out of ath10k_debug, or always have ath10k_debug | |
1287 | * struct available.. | |
1288 | */ | |
1289 | ||
1290 | /* This generally cooresponds to the debugfs fw_stats file */ | |
1291 | static const char ath10k_gstrings_stats[][ETH_GSTRING_LEN] = { | |
1292 | "tx_pkts_nic", | |
1293 | "tx_bytes_nic", | |
1294 | "rx_pkts_nic", | |
1295 | "rx_bytes_nic", | |
1296 | "d_noise_floor", | |
1297 | "d_cycle_count", | |
1298 | "d_phy_error", | |
1299 | "d_rts_bad", | |
1300 | "d_rts_good", | |
1301 | "d_tx_power", /* in .5 dbM I think */ | |
1302 | "d_rx_crc_err", /* fcs_bad */ | |
1303 | "d_no_beacon", | |
1304 | "d_tx_mpdus_queued", | |
1305 | "d_tx_msdu_queued", | |
1306 | "d_tx_msdu_dropped", | |
1307 | "d_local_enqued", | |
1308 | "d_local_freed", | |
1309 | "d_tx_ppdu_hw_queued", | |
1310 | "d_tx_ppdu_reaped", | |
1311 | "d_tx_fifo_underrun", | |
1312 | "d_tx_ppdu_abort", | |
1313 | "d_tx_mpdu_requed", | |
1314 | "d_tx_excessive_retries", | |
1315 | "d_tx_hw_rate", | |
1316 | "d_tx_dropped_sw_retries", | |
1317 | "d_tx_illegal_rate", | |
1318 | "d_tx_continuous_xretries", | |
1319 | "d_tx_timeout", | |
1320 | "d_tx_mpdu_txop_limit", | |
1321 | "d_pdev_resets", | |
1322 | "d_rx_mid_ppdu_route_change", | |
1323 | "d_rx_status", | |
1324 | "d_rx_extra_frags_ring0", | |
1325 | "d_rx_extra_frags_ring1", | |
1326 | "d_rx_extra_frags_ring2", | |
1327 | "d_rx_extra_frags_ring3", | |
1328 | "d_rx_msdu_htt", | |
1329 | "d_rx_mpdu_htt", | |
1330 | "d_rx_msdu_stack", | |
1331 | "d_rx_mpdu_stack", | |
1332 | "d_rx_phy_err", | |
1333 | "d_rx_phy_err_drops", | |
1334 | "d_rx_mpdu_errors", /* FCS, MIC, ENC */ | |
1335 | "d_fw_crash_count", | |
1336 | "d_fw_warm_reset_count", | |
1337 | "d_fw_cold_reset_count", | |
1338 | }; | |
1339 | ||
1340 | #define ATH10K_SSTATS_LEN ARRAY_SIZE(ath10k_gstrings_stats) | |
1341 | ||
1342 | void ath10k_debug_get_et_strings(struct ieee80211_hw *hw, | |
1343 | struct ieee80211_vif *vif, | |
1344 | u32 sset, u8 *data) | |
1345 | { | |
1346 | if (sset == ETH_SS_STATS) | |
1347 | memcpy(data, *ath10k_gstrings_stats, | |
1348 | sizeof(ath10k_gstrings_stats)); | |
1349 | } | |
1350 | ||
1351 | int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw, | |
1352 | struct ieee80211_vif *vif, int sset) | |
1353 | { | |
1354 | if (sset == ETH_SS_STATS) | |
1355 | return ATH10K_SSTATS_LEN; | |
1356 | ||
1357 | return 0; | |
1358 | } | |
1359 | ||
1360 | void ath10k_debug_get_et_stats(struct ieee80211_hw *hw, | |
1361 | struct ieee80211_vif *vif, | |
1362 | struct ethtool_stats *stats, u64 *data) | |
1363 | { | |
1364 | struct ath10k *ar = hw->priv; | |
1365 | static const struct ath10k_fw_stats_pdev zero_stats = {}; | |
1366 | const struct ath10k_fw_stats_pdev *pdev_stats; | |
1367 | int i = 0, ret; | |
1368 | ||
1369 | mutex_lock(&ar->conf_mutex); | |
1370 | ||
1371 | if (ar->state == ATH10K_STATE_ON) { | |
1372 | ret = ath10k_debug_fw_stats_request(ar); | |
1373 | if (ret) { | |
1374 | /* just print a warning and try to use older results */ | |
1375 | ath10k_warn(ar, | |
1376 | "failed to get fw stats for ethtool: %d\n", | |
1377 | ret); | |
1378 | } | |
1379 | } | |
1380 | ||
1381 | pdev_stats = list_first_entry_or_null(&ar->debug.fw_stats.pdevs, | |
1382 | struct ath10k_fw_stats_pdev, | |
1383 | list); | |
1384 | if (!pdev_stats) { | |
1385 | /* no results available so just return zeroes */ | |
1386 | pdev_stats = &zero_stats; | |
1387 | } | |
1388 | ||
1389 | spin_lock_bh(&ar->data_lock); | |
1390 | ||
1391 | data[i++] = pdev_stats->hw_reaped; /* ppdu reaped */ | |
1392 | data[i++] = 0; /* tx bytes */ | |
1393 | data[i++] = pdev_stats->htt_mpdus; | |
1394 | data[i++] = 0; /* rx bytes */ | |
1395 | data[i++] = pdev_stats->ch_noise_floor; | |
1396 | data[i++] = pdev_stats->cycle_count; | |
1397 | data[i++] = pdev_stats->phy_err_count; | |
1398 | data[i++] = pdev_stats->rts_bad; | |
1399 | data[i++] = pdev_stats->rts_good; | |
1400 | data[i++] = pdev_stats->chan_tx_power; | |
1401 | data[i++] = pdev_stats->fcs_bad; | |
1402 | data[i++] = pdev_stats->no_beacons; | |
1403 | data[i++] = pdev_stats->mpdu_enqued; | |
1404 | data[i++] = pdev_stats->msdu_enqued; | |
1405 | data[i++] = pdev_stats->wmm_drop; | |
1406 | data[i++] = pdev_stats->local_enqued; | |
1407 | data[i++] = pdev_stats->local_freed; | |
1408 | data[i++] = pdev_stats->hw_queued; | |
1409 | data[i++] = pdev_stats->hw_reaped; | |
1410 | data[i++] = pdev_stats->underrun; | |
1411 | data[i++] = pdev_stats->tx_abort; | |
1412 | data[i++] = pdev_stats->mpdus_requed; | |
1413 | data[i++] = pdev_stats->tx_ko; | |
1414 | data[i++] = pdev_stats->data_rc; | |
1415 | data[i++] = pdev_stats->sw_retry_failure; | |
1416 | data[i++] = pdev_stats->illgl_rate_phy_err; | |
1417 | data[i++] = pdev_stats->pdev_cont_xretry; | |
1418 | data[i++] = pdev_stats->pdev_tx_timeout; | |
1419 | data[i++] = pdev_stats->txop_ovf; | |
1420 | data[i++] = pdev_stats->pdev_resets; | |
1421 | data[i++] = pdev_stats->mid_ppdu_route_change; | |
1422 | data[i++] = pdev_stats->status_rcvd; | |
1423 | data[i++] = pdev_stats->r0_frags; | |
1424 | data[i++] = pdev_stats->r1_frags; | |
1425 | data[i++] = pdev_stats->r2_frags; | |
1426 | data[i++] = pdev_stats->r3_frags; | |
1427 | data[i++] = pdev_stats->htt_msdus; | |
1428 | data[i++] = pdev_stats->htt_mpdus; | |
1429 | data[i++] = pdev_stats->loc_msdus; | |
1430 | data[i++] = pdev_stats->loc_mpdus; | |
1431 | data[i++] = pdev_stats->phy_errs; | |
1432 | data[i++] = pdev_stats->phy_err_drop; | |
1433 | data[i++] = pdev_stats->mpdu_errs; | |
1434 | data[i++] = ar->stats.fw_crash_counter; | |
1435 | data[i++] = ar->stats.fw_warm_reset_counter; | |
1436 | data[i++] = ar->stats.fw_cold_reset_counter; | |
1437 | ||
1438 | spin_unlock_bh(&ar->data_lock); | |
1439 | ||
1440 | mutex_unlock(&ar->conf_mutex); | |
1441 | ||
1442 | WARN_ON(i != ATH10K_SSTATS_LEN); | |
1443 | } | |
1444 | ||
f118a3e5 KV |
1445 | static const struct file_operations fops_fw_dbglog = { |
1446 | .read = ath10k_read_fw_dbglog, | |
1447 | .write = ath10k_write_fw_dbglog, | |
1448 | .open = simple_open, | |
1449 | .owner = THIS_MODULE, | |
1450 | .llseek = default_llseek, | |
1451 | }; | |
1452 | ||
7869b4fa KV |
1453 | static int ath10k_debug_cal_data_open(struct inode *inode, struct file *file) |
1454 | { | |
1455 | struct ath10k *ar = inode->i_private; | |
1456 | void *buf; | |
1457 | u32 hi_addr; | |
1458 | __le32 addr; | |
1459 | int ret; | |
1460 | ||
1461 | mutex_lock(&ar->conf_mutex); | |
1462 | ||
1463 | if (ar->state != ATH10K_STATE_ON && | |
1464 | ar->state != ATH10K_STATE_UTF) { | |
1465 | ret = -ENETDOWN; | |
1466 | goto err; | |
1467 | } | |
1468 | ||
0b8e3c4c | 1469 | buf = vmalloc(ar->hw_params.cal_data_len); |
7869b4fa KV |
1470 | if (!buf) { |
1471 | ret = -ENOMEM; | |
1472 | goto err; | |
1473 | } | |
1474 | ||
1475 | hi_addr = host_interest_item_address(HI_ITEM(hi_board_data)); | |
1476 | ||
1477 | ret = ath10k_hif_diag_read(ar, hi_addr, &addr, sizeof(addr)); | |
1478 | if (ret) { | |
1479 | ath10k_warn(ar, "failed to read hi_board_data address: %d\n", ret); | |
1480 | goto err_vfree; | |
1481 | } | |
1482 | ||
1483 | ret = ath10k_hif_diag_read(ar, le32_to_cpu(addr), buf, | |
0b8e3c4c | 1484 | ar->hw_params.cal_data_len); |
7869b4fa KV |
1485 | if (ret) { |
1486 | ath10k_warn(ar, "failed to read calibration data: %d\n", ret); | |
1487 | goto err_vfree; | |
1488 | } | |
1489 | ||
1490 | file->private_data = buf; | |
1491 | ||
1492 | mutex_unlock(&ar->conf_mutex); | |
1493 | ||
1494 | return 0; | |
1495 | ||
1496 | err_vfree: | |
1497 | vfree(buf); | |
1498 | ||
1499 | err: | |
1500 | mutex_unlock(&ar->conf_mutex); | |
1501 | ||
1502 | return ret; | |
1503 | } | |
1504 | ||
1505 | static ssize_t ath10k_debug_cal_data_read(struct file *file, | |
1506 | char __user *user_buf, | |
1507 | size_t count, loff_t *ppos) | |
1508 | { | |
0b8e3c4c | 1509 | struct ath10k *ar = file->private_data; |
7869b4fa KV |
1510 | void *buf = file->private_data; |
1511 | ||
1512 | return simple_read_from_buffer(user_buf, count, ppos, | |
0b8e3c4c | 1513 | buf, ar->hw_params.cal_data_len); |
7869b4fa KV |
1514 | } |
1515 | ||
1516 | static int ath10k_debug_cal_data_release(struct inode *inode, | |
1517 | struct file *file) | |
1518 | { | |
1519 | vfree(file->private_data); | |
1520 | ||
1521 | return 0; | |
1522 | } | |
1523 | ||
b3e71d7a ARN |
1524 | static ssize_t ath10k_write_ani_enable(struct file *file, |
1525 | const char __user *user_buf, | |
1526 | size_t count, loff_t *ppos) | |
1527 | { | |
1528 | struct ath10k *ar = file->private_data; | |
1529 | int ret; | |
1530 | u8 enable; | |
1531 | ||
1532 | if (kstrtou8_from_user(user_buf, count, 0, &enable)) | |
1533 | return -EINVAL; | |
1534 | ||
1535 | mutex_lock(&ar->conf_mutex); | |
1536 | ||
1537 | if (ar->ani_enabled == enable) { | |
1538 | ret = count; | |
1539 | goto exit; | |
1540 | } | |
1541 | ||
1542 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->ani_enable, | |
1543 | enable); | |
1544 | if (ret) { | |
1545 | ath10k_warn(ar, "ani_enable failed from debugfs: %d\n", ret); | |
1546 | goto exit; | |
1547 | } | |
1548 | ar->ani_enabled = enable; | |
1549 | ||
1550 | ret = count; | |
1551 | ||
1552 | exit: | |
1553 | mutex_unlock(&ar->conf_mutex); | |
1554 | ||
1555 | return ret; | |
1556 | } | |
1557 | ||
1558 | static ssize_t ath10k_read_ani_enable(struct file *file, char __user *user_buf, | |
1559 | size_t count, loff_t *ppos) | |
1560 | { | |
1561 | struct ath10k *ar = file->private_data; | |
1562 | int len = 0; | |
1563 | char buf[32]; | |
1564 | ||
1565 | len = scnprintf(buf, sizeof(buf) - len, "%d\n", | |
1566 | ar->ani_enabled); | |
1567 | ||
1568 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1569 | } | |
1570 | ||
1571 | static const struct file_operations fops_ani_enable = { | |
1572 | .read = ath10k_read_ani_enable, | |
1573 | .write = ath10k_write_ani_enable, | |
1574 | .open = simple_open, | |
1575 | .owner = THIS_MODULE, | |
1576 | .llseek = default_llseek, | |
1577 | }; | |
1578 | ||
7869b4fa KV |
1579 | static const struct file_operations fops_cal_data = { |
1580 | .open = ath10k_debug_cal_data_open, | |
1581 | .read = ath10k_debug_cal_data_read, | |
1582 | .release = ath10k_debug_cal_data_release, | |
1583 | .owner = THIS_MODULE, | |
1584 | .llseek = default_llseek, | |
1585 | }; | |
1586 | ||
a7bd3e99 PO |
1587 | static ssize_t ath10k_read_nf_cal_period(struct file *file, |
1588 | char __user *user_buf, | |
1589 | size_t count, loff_t *ppos) | |
1590 | { | |
1591 | struct ath10k *ar = file->private_data; | |
1592 | unsigned int len; | |
1593 | char buf[32]; | |
1594 | ||
1595 | len = scnprintf(buf, sizeof(buf), "%d\n", | |
1596 | ar->debug.nf_cal_period); | |
1597 | ||
1598 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1599 | } | |
1600 | ||
1601 | static ssize_t ath10k_write_nf_cal_period(struct file *file, | |
1602 | const char __user *user_buf, | |
1603 | size_t count, loff_t *ppos) | |
1604 | { | |
1605 | struct ath10k *ar = file->private_data; | |
1606 | unsigned long period; | |
1607 | int ret; | |
1608 | ||
1609 | ret = kstrtoul_from_user(user_buf, count, 0, &period); | |
1610 | if (ret) | |
1611 | return ret; | |
1612 | ||
1613 | if (period > WMI_PDEV_PARAM_CAL_PERIOD_MAX) | |
1614 | return -EINVAL; | |
1615 | ||
1616 | /* there's no way to switch back to the firmware default */ | |
1617 | if (period == 0) | |
1618 | return -EINVAL; | |
1619 | ||
1620 | mutex_lock(&ar->conf_mutex); | |
1621 | ||
1622 | ar->debug.nf_cal_period = period; | |
1623 | ||
1624 | if (ar->state != ATH10K_STATE_ON) { | |
1625 | /* firmware is not running, nothing else to do */ | |
1626 | ret = count; | |
1627 | goto exit; | |
1628 | } | |
1629 | ||
1630 | ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->cal_period, | |
1631 | ar->debug.nf_cal_period); | |
1632 | if (ret) { | |
1633 | ath10k_warn(ar, "cal period cfg failed from debugfs: %d\n", | |
1634 | ret); | |
1635 | goto exit; | |
1636 | } | |
1637 | ||
1638 | ret = count; | |
1639 | ||
1640 | exit: | |
1641 | mutex_unlock(&ar->conf_mutex); | |
1642 | ||
1643 | return ret; | |
1644 | } | |
1645 | ||
1646 | static const struct file_operations fops_nf_cal_period = { | |
1647 | .read = ath10k_read_nf_cal_period, | |
1648 | .write = ath10k_write_nf_cal_period, | |
1649 | .open = simple_open, | |
1650 | .owner = THIS_MODULE, | |
1651 | .llseek = default_llseek, | |
1652 | }; | |
1653 | ||
29542666 MK |
1654 | #define ATH10K_TPC_CONFIG_BUF_SIZE (1024 * 1024) |
1655 | ||
1656 | static int ath10k_debug_tpc_stats_request(struct ath10k *ar) | |
1657 | { | |
1658 | int ret; | |
1659 | unsigned long time_left; | |
1660 | ||
1661 | lockdep_assert_held(&ar->conf_mutex); | |
1662 | ||
1663 | reinit_completion(&ar->debug.tpc_complete); | |
1664 | ||
1665 | ret = ath10k_wmi_pdev_get_tpc_config(ar, WMI_TPC_CONFIG_PARAM); | |
1666 | if (ret) { | |
1667 | ath10k_warn(ar, "failed to request tpc config: %d\n", ret); | |
1668 | return ret; | |
1669 | } | |
1670 | ||
1671 | time_left = wait_for_completion_timeout(&ar->debug.tpc_complete, | |
1672 | 1 * HZ); | |
1673 | if (time_left == 0) | |
1674 | return -ETIMEDOUT; | |
1675 | ||
1676 | return 0; | |
1677 | } | |
1678 | ||
1679 | void ath10k_debug_tpc_stats_process(struct ath10k *ar, | |
1680 | struct ath10k_tpc_stats *tpc_stats) | |
1681 | { | |
1682 | spin_lock_bh(&ar->data_lock); | |
1683 | ||
1684 | kfree(ar->debug.tpc_stats); | |
1685 | ar->debug.tpc_stats = tpc_stats; | |
1686 | complete(&ar->debug.tpc_complete); | |
1687 | ||
1688 | spin_unlock_bh(&ar->data_lock); | |
1689 | } | |
1690 | ||
1691 | static void ath10k_tpc_stats_print(struct ath10k_tpc_stats *tpc_stats, | |
1692 | unsigned int j, char *buf, unsigned int *len) | |
1693 | { | |
1694 | unsigned int i, buf_len; | |
1695 | static const char table_str[][5] = { "CDD", | |
1696 | "STBC", | |
1697 | "TXBF" }; | |
1698 | static const char pream_str[][6] = { "CCK", | |
1699 | "OFDM", | |
1700 | "HT20", | |
1701 | "HT40", | |
1702 | "VHT20", | |
1703 | "VHT40", | |
1704 | "VHT80", | |
1705 | "HTCUP" }; | |
1706 | ||
1707 | buf_len = ATH10K_TPC_CONFIG_BUF_SIZE; | |
1708 | *len += scnprintf(buf + *len, buf_len - *len, | |
1709 | "********************************\n"); | |
1710 | *len += scnprintf(buf + *len, buf_len - *len, | |
1711 | "******************* %s POWER TABLE ****************\n", | |
1712 | table_str[j]); | |
1713 | *len += scnprintf(buf + *len, buf_len - *len, | |
1714 | "********************************\n"); | |
1715 | *len += scnprintf(buf + *len, buf_len - *len, | |
1716 | "No. Preamble Rate_code tpc_value1 tpc_value2 tpc_value3\n"); | |
1717 | ||
1718 | for (i = 0; i < tpc_stats->rate_max; i++) { | |
1719 | *len += scnprintf(buf + *len, buf_len - *len, | |
1720 | "%8d %s 0x%2x %s\n", i, | |
1721 | pream_str[tpc_stats->tpc_table[j].pream_idx[i]], | |
1722 | tpc_stats->tpc_table[j].rate_code[i], | |
1723 | tpc_stats->tpc_table[j].tpc_value[i]); | |
1724 | } | |
1725 | ||
1726 | *len += scnprintf(buf + *len, buf_len - *len, | |
1727 | "***********************************\n"); | |
1728 | } | |
1729 | ||
1730 | static void ath10k_tpc_stats_fill(struct ath10k *ar, | |
1731 | struct ath10k_tpc_stats *tpc_stats, | |
1732 | char *buf) | |
1733 | { | |
1734 | unsigned int len, j, buf_len; | |
1735 | ||
1736 | len = 0; | |
1737 | buf_len = ATH10K_TPC_CONFIG_BUF_SIZE; | |
1738 | ||
1739 | spin_lock_bh(&ar->data_lock); | |
1740 | ||
1741 | if (!tpc_stats) { | |
1742 | ath10k_warn(ar, "failed to get tpc stats\n"); | |
1743 | goto unlock; | |
1744 | } | |
1745 | ||
1746 | len += scnprintf(buf + len, buf_len - len, "\n"); | |
1747 | len += scnprintf(buf + len, buf_len - len, | |
1748 | "*************************************\n"); | |
1749 | len += scnprintf(buf + len, buf_len - len, | |
1750 | "TPC config for channel %4d mode %d\n", | |
1751 | tpc_stats->chan_freq, | |
1752 | tpc_stats->phy_mode); | |
1753 | len += scnprintf(buf + len, buf_len - len, | |
1754 | "*************************************\n"); | |
1755 | len += scnprintf(buf + len, buf_len - len, | |
1756 | "CTL = 0x%2x Reg. Domain = %2d\n", | |
1757 | tpc_stats->ctl, | |
1758 | tpc_stats->reg_domain); | |
1759 | len += scnprintf(buf + len, buf_len - len, | |
1760 | "Antenna Gain = %2d Reg. Max Antenna Gain = %2d\n", | |
1761 | tpc_stats->twice_antenna_gain, | |
1762 | tpc_stats->twice_antenna_reduction); | |
1763 | len += scnprintf(buf + len, buf_len - len, | |
1764 | "Power Limit = %2d Reg. Max Power = %2d\n", | |
1765 | tpc_stats->power_limit, | |
1766 | tpc_stats->twice_max_rd_power / 2); | |
1767 | len += scnprintf(buf + len, buf_len - len, | |
1768 | "Num tx chains = %2d Num supported rates = %2d\n", | |
1769 | tpc_stats->num_tx_chain, | |
1770 | tpc_stats->rate_max); | |
1771 | ||
1772 | for (j = 0; j < tpc_stats->num_tx_chain ; j++) { | |
1773 | switch (j) { | |
1774 | case WMI_TPC_TABLE_TYPE_CDD: | |
1775 | if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) { | |
1776 | len += scnprintf(buf + len, buf_len - len, | |
1777 | "CDD not supported\n"); | |
1778 | break; | |
1779 | } | |
1780 | ||
1781 | ath10k_tpc_stats_print(tpc_stats, j, buf, &len); | |
1782 | break; | |
1783 | case WMI_TPC_TABLE_TYPE_STBC: | |
1784 | if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) { | |
1785 | len += scnprintf(buf + len, buf_len - len, | |
1786 | "STBC not supported\n"); | |
1787 | break; | |
1788 | } | |
1789 | ||
1790 | ath10k_tpc_stats_print(tpc_stats, j, buf, &len); | |
1791 | break; | |
1792 | case WMI_TPC_TABLE_TYPE_TXBF: | |
1793 | if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) { | |
1794 | len += scnprintf(buf + len, buf_len - len, | |
1795 | "TXBF not supported\n***************************\n"); | |
1796 | break; | |
1797 | } | |
1798 | ||
1799 | ath10k_tpc_stats_print(tpc_stats, j, buf, &len); | |
1800 | break; | |
1801 | default: | |
1802 | len += scnprintf(buf + len, buf_len - len, | |
1803 | "Invalid Type\n"); | |
1804 | break; | |
1805 | } | |
1806 | } | |
1807 | ||
1808 | unlock: | |
1809 | spin_unlock_bh(&ar->data_lock); | |
1810 | ||
1811 | if (len >= buf_len) | |
1812 | buf[len - 1] = 0; | |
1813 | else | |
1814 | buf[len] = 0; | |
1815 | } | |
1816 | ||
1817 | static int ath10k_tpc_stats_open(struct inode *inode, struct file *file) | |
1818 | { | |
1819 | struct ath10k *ar = inode->i_private; | |
1820 | void *buf = NULL; | |
1821 | int ret; | |
1822 | ||
1823 | mutex_lock(&ar->conf_mutex); | |
1824 | ||
1825 | if (ar->state != ATH10K_STATE_ON) { | |
1826 | ret = -ENETDOWN; | |
1827 | goto err_unlock; | |
1828 | } | |
1829 | ||
1830 | buf = vmalloc(ATH10K_TPC_CONFIG_BUF_SIZE); | |
1831 | if (!buf) { | |
1832 | ret = -ENOMEM; | |
1833 | goto err_unlock; | |
1834 | } | |
1835 | ||
1836 | ret = ath10k_debug_tpc_stats_request(ar); | |
1837 | if (ret) { | |
1838 | ath10k_warn(ar, "failed to request tpc config stats: %d\n", | |
1839 | ret); | |
1840 | goto err_free; | |
1841 | } | |
1842 | ||
1843 | ath10k_tpc_stats_fill(ar, ar->debug.tpc_stats, buf); | |
1844 | file->private_data = buf; | |
1845 | ||
1846 | mutex_unlock(&ar->conf_mutex); | |
1847 | return 0; | |
1848 | ||
1849 | err_free: | |
1850 | vfree(buf); | |
1851 | ||
1852 | err_unlock: | |
1853 | mutex_unlock(&ar->conf_mutex); | |
1854 | return ret; | |
1855 | } | |
1856 | ||
1857 | static int ath10k_tpc_stats_release(struct inode *inode, struct file *file) | |
1858 | { | |
1859 | vfree(file->private_data); | |
1860 | ||
1861 | return 0; | |
1862 | } | |
1863 | ||
1864 | static ssize_t ath10k_tpc_stats_read(struct file *file, char __user *user_buf, | |
1865 | size_t count, loff_t *ppos) | |
1866 | { | |
1867 | const char *buf = file->private_data; | |
1868 | unsigned int len = strlen(buf); | |
1869 | ||
1870 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1871 | } | |
1872 | ||
1873 | static const struct file_operations fops_tpc_stats = { | |
1874 | .open = ath10k_tpc_stats_open, | |
1875 | .release = ath10k_tpc_stats_release, | |
1876 | .read = ath10k_tpc_stats_read, | |
1877 | .owner = THIS_MODULE, | |
1878 | .llseek = default_llseek, | |
1879 | }; | |
1880 | ||
db66ea04 KV |
1881 | int ath10k_debug_start(struct ath10k *ar) |
1882 | { | |
a3d135e5 KV |
1883 | int ret; |
1884 | ||
60631c5c KV |
1885 | lockdep_assert_held(&ar->conf_mutex); |
1886 | ||
a3d135e5 KV |
1887 | ret = ath10k_debug_htt_stats_req(ar); |
1888 | if (ret) | |
1889 | /* continue normally anyway, this isn't serious */ | |
7aa7a72a MK |
1890 | ath10k_warn(ar, "failed to start htt stats workqueue: %d\n", |
1891 | ret); | |
a3d135e5 | 1892 | |
f118a3e5 | 1893 | if (ar->debug.fw_dbglog_mask) { |
467210a6 SJ |
1894 | ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask, |
1895 | ATH10K_DBGLOG_LEVEL_WARN); | |
f118a3e5 KV |
1896 | if (ret) |
1897 | /* not serious */ | |
7aa7a72a | 1898 | ath10k_warn(ar, "failed to enable dbglog during start: %d", |
f118a3e5 KV |
1899 | ret); |
1900 | } | |
1901 | ||
90174455 RM |
1902 | if (ar->debug.pktlog_filter) { |
1903 | ret = ath10k_wmi_pdev_pktlog_enable(ar, | |
1904 | ar->debug.pktlog_filter); | |
1905 | if (ret) | |
1906 | /* not serious */ | |
1907 | ath10k_warn(ar, | |
1908 | "failed to enable pktlog filter %x: %d\n", | |
1909 | ar->debug.pktlog_filter, ret); | |
1910 | } else { | |
1911 | ret = ath10k_wmi_pdev_pktlog_disable(ar); | |
1912 | if (ret) | |
1913 | /* not serious */ | |
1914 | ath10k_warn(ar, "failed to disable pktlog: %d\n", ret); | |
1915 | } | |
1916 | ||
a7bd3e99 PO |
1917 | if (ar->debug.nf_cal_period) { |
1918 | ret = ath10k_wmi_pdev_set_param(ar, | |
1919 | ar->wmi.pdev_param->cal_period, | |
1920 | ar->debug.nf_cal_period); | |
1921 | if (ret) | |
1922 | /* not serious */ | |
1923 | ath10k_warn(ar, "cal period cfg failed from debug start: %d\n", | |
1924 | ret); | |
1925 | } | |
1926 | ||
90174455 | 1927 | return ret; |
db66ea04 KV |
1928 | } |
1929 | ||
1930 | void ath10k_debug_stop(struct ath10k *ar) | |
1931 | { | |
60631c5c KV |
1932 | lockdep_assert_held(&ar->conf_mutex); |
1933 | ||
1934 | /* Must not use _sync to avoid deadlock, we do that in | |
1935 | * ath10k_debug_destroy(). The check for htt_stats_mask is to avoid | |
1936 | * warning from del_timer(). */ | |
1937 | if (ar->debug.htt_stats_mask != 0) | |
1938 | cancel_delayed_work(&ar->debug.htt_stats_dwork); | |
d385623a | 1939 | |
90174455 | 1940 | ath10k_wmi_pdev_pktlog_disable(ar); |
db66ea04 KV |
1941 | } |
1942 | ||
9702c686 JD |
1943 | static ssize_t ath10k_write_simulate_radar(struct file *file, |
1944 | const char __user *user_buf, | |
1945 | size_t count, loff_t *ppos) | |
1946 | { | |
1947 | struct ath10k *ar = file->private_data; | |
1948 | ||
1949 | ieee80211_radar_detected(ar->hw); | |
1950 | ||
1951 | return count; | |
1952 | } | |
1953 | ||
1954 | static const struct file_operations fops_simulate_radar = { | |
1955 | .write = ath10k_write_simulate_radar, | |
1956 | .open = simple_open, | |
1957 | .owner = THIS_MODULE, | |
1958 | .llseek = default_llseek, | |
1959 | }; | |
1960 | ||
1961 | #define ATH10K_DFS_STAT(s, p) (\ | |
1962 | len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \ | |
1963 | ar->debug.dfs_stats.p)) | |
1964 | ||
1965 | #define ATH10K_DFS_POOL_STAT(s, p) (\ | |
1966 | len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \ | |
1967 | ar->debug.dfs_pool_stats.p)) | |
1968 | ||
1969 | static ssize_t ath10k_read_dfs_stats(struct file *file, char __user *user_buf, | |
1970 | size_t count, loff_t *ppos) | |
1971 | { | |
1972 | int retval = 0, len = 0; | |
1973 | const int size = 8000; | |
1974 | struct ath10k *ar = file->private_data; | |
1975 | char *buf; | |
1976 | ||
1977 | buf = kzalloc(size, GFP_KERNEL); | |
1978 | if (buf == NULL) | |
1979 | return -ENOMEM; | |
1980 | ||
1981 | if (!ar->dfs_detector) { | |
1982 | len += scnprintf(buf + len, size - len, "DFS not enabled\n"); | |
1983 | goto exit; | |
1984 | } | |
1985 | ||
1986 | ar->debug.dfs_pool_stats = | |
1987 | ar->dfs_detector->get_stats(ar->dfs_detector); | |
1988 | ||
1989 | len += scnprintf(buf + len, size - len, "Pulse detector statistics:\n"); | |
1990 | ||
1991 | ATH10K_DFS_STAT("reported phy errors", phy_errors); | |
1992 | ATH10K_DFS_STAT("pulse events reported", pulses_total); | |
1993 | ATH10K_DFS_STAT("DFS pulses detected", pulses_detected); | |
1994 | ATH10K_DFS_STAT("DFS pulses discarded", pulses_discarded); | |
1995 | ATH10K_DFS_STAT("Radars detected", radar_detected); | |
1996 | ||
1997 | len += scnprintf(buf + len, size - len, "Global Pool statistics:\n"); | |
1998 | ATH10K_DFS_POOL_STAT("Pool references", pool_reference); | |
1999 | ATH10K_DFS_POOL_STAT("Pulses allocated", pulse_allocated); | |
2000 | ATH10K_DFS_POOL_STAT("Pulses alloc error", pulse_alloc_error); | |
2001 | ATH10K_DFS_POOL_STAT("Pulses in use", pulse_used); | |
2002 | ATH10K_DFS_POOL_STAT("Seqs. allocated", pseq_allocated); | |
2003 | ATH10K_DFS_POOL_STAT("Seqs. alloc error", pseq_alloc_error); | |
2004 | ATH10K_DFS_POOL_STAT("Seqs. in use", pseq_used); | |
2005 | ||
2006 | exit: | |
2007 | if (len > size) | |
2008 | len = size; | |
2009 | ||
2010 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
2011 | kfree(buf); | |
2012 | ||
2013 | return retval; | |
2014 | } | |
2015 | ||
2016 | static const struct file_operations fops_dfs_stats = { | |
2017 | .read = ath10k_read_dfs_stats, | |
2018 | .open = simple_open, | |
2019 | .owner = THIS_MODULE, | |
2020 | .llseek = default_llseek, | |
2021 | }; | |
2022 | ||
90174455 RM |
2023 | static ssize_t ath10k_write_pktlog_filter(struct file *file, |
2024 | const char __user *ubuf, | |
2025 | size_t count, loff_t *ppos) | |
2026 | { | |
2027 | struct ath10k *ar = file->private_data; | |
2028 | u32 filter; | |
2029 | int ret; | |
2030 | ||
2031 | if (kstrtouint_from_user(ubuf, count, 0, &filter)) | |
2032 | return -EINVAL; | |
2033 | ||
2034 | mutex_lock(&ar->conf_mutex); | |
2035 | ||
2036 | if (ar->state != ATH10K_STATE_ON) { | |
2037 | ar->debug.pktlog_filter = filter; | |
2038 | ret = count; | |
2039 | goto out; | |
2040 | } | |
2041 | ||
9ddc486a AK |
2042 | if (filter == ar->debug.pktlog_filter) { |
2043 | ret = count; | |
2044 | goto out; | |
2045 | } | |
2046 | ||
2047 | if (filter) { | |
90174455 RM |
2048 | ret = ath10k_wmi_pdev_pktlog_enable(ar, filter); |
2049 | if (ret) { | |
2050 | ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n", | |
2051 | ar->debug.pktlog_filter, ret); | |
2052 | goto out; | |
2053 | } | |
2054 | } else { | |
2055 | ret = ath10k_wmi_pdev_pktlog_disable(ar); | |
2056 | if (ret) { | |
2057 | ath10k_warn(ar, "failed to disable pktlog: %d\n", ret); | |
2058 | goto out; | |
2059 | } | |
2060 | } | |
2061 | ||
2062 | ar->debug.pktlog_filter = filter; | |
2063 | ret = count; | |
2064 | ||
2065 | out: | |
2066 | mutex_unlock(&ar->conf_mutex); | |
2067 | return ret; | |
2068 | } | |
2069 | ||
2070 | static ssize_t ath10k_read_pktlog_filter(struct file *file, char __user *ubuf, | |
2071 | size_t count, loff_t *ppos) | |
2072 | { | |
2073 | char buf[32]; | |
2074 | struct ath10k *ar = file->private_data; | |
2075 | int len = 0; | |
2076 | ||
2077 | mutex_lock(&ar->conf_mutex); | |
2078 | len = scnprintf(buf, sizeof(buf) - len, "%08x\n", | |
2079 | ar->debug.pktlog_filter); | |
2080 | mutex_unlock(&ar->conf_mutex); | |
2081 | ||
2082 | return simple_read_from_buffer(ubuf, count, ppos, buf, len); | |
2083 | } | |
2084 | ||
2085 | static const struct file_operations fops_pktlog_filter = { | |
2086 | .read = ath10k_read_pktlog_filter, | |
2087 | .write = ath10k_write_pktlog_filter, | |
2088 | .open = simple_open | |
2089 | }; | |
2090 | ||
63fb32df RM |
2091 | static ssize_t ath10k_write_quiet_period(struct file *file, |
2092 | const char __user *ubuf, | |
2093 | size_t count, loff_t *ppos) | |
2094 | { | |
2095 | struct ath10k *ar = file->private_data; | |
2096 | u32 period; | |
2097 | ||
2098 | if (kstrtouint_from_user(ubuf, count, 0, &period)) | |
2099 | return -EINVAL; | |
2100 | ||
2101 | if (period < ATH10K_QUIET_PERIOD_MIN) { | |
2102 | ath10k_warn(ar, "Quiet period %u can not be lesser than 25ms\n", | |
2103 | period); | |
2104 | return -EINVAL; | |
2105 | } | |
2106 | mutex_lock(&ar->conf_mutex); | |
2107 | ar->thermal.quiet_period = period; | |
8515b5c7 | 2108 | ath10k_thermal_set_throttling(ar); |
63fb32df RM |
2109 | mutex_unlock(&ar->conf_mutex); |
2110 | ||
2111 | return count; | |
2112 | } | |
2113 | ||
2114 | static ssize_t ath10k_read_quiet_period(struct file *file, char __user *ubuf, | |
2115 | size_t count, loff_t *ppos) | |
2116 | { | |
2117 | char buf[32]; | |
2118 | struct ath10k *ar = file->private_data; | |
2119 | int len = 0; | |
2120 | ||
2121 | mutex_lock(&ar->conf_mutex); | |
2122 | len = scnprintf(buf, sizeof(buf) - len, "%d\n", | |
2123 | ar->thermal.quiet_period); | |
2124 | mutex_unlock(&ar->conf_mutex); | |
2125 | ||
2126 | return simple_read_from_buffer(ubuf, count, ppos, buf, len); | |
2127 | } | |
2128 | ||
2129 | static const struct file_operations fops_quiet_period = { | |
2130 | .read = ath10k_read_quiet_period, | |
2131 | .write = ath10k_write_quiet_period, | |
2132 | .open = simple_open | |
2133 | }; | |
2134 | ||
844fa572 YL |
2135 | static ssize_t ath10k_write_btcoex(struct file *file, |
2136 | const char __user *ubuf, | |
2137 | size_t count, loff_t *ppos) | |
2138 | { | |
2139 | struct ath10k *ar = file->private_data; | |
2140 | char buf[32]; | |
2141 | size_t buf_size; | |
87be054a | 2142 | int ret; |
844fa572 | 2143 | bool val; |
39136248 | 2144 | u32 pdev_param; |
844fa572 YL |
2145 | |
2146 | buf_size = min(count, (sizeof(buf) - 1)); | |
2147 | if (copy_from_user(buf, ubuf, buf_size)) | |
2148 | return -EFAULT; | |
2149 | ||
2150 | buf[buf_size] = '\0'; | |
2151 | ||
2152 | if (strtobool(buf, &val) != 0) | |
2153 | return -EINVAL; | |
2154 | ||
2155 | mutex_lock(&ar->conf_mutex); | |
2156 | ||
c28e6f06 MSS |
2157 | if (ar->state != ATH10K_STATE_ON && |
2158 | ar->state != ATH10K_STATE_RESTARTED) { | |
2159 | ret = -ENETDOWN; | |
2160 | goto exit; | |
2161 | } | |
2162 | ||
87be054a MSS |
2163 | if (!(test_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags) ^ val)) { |
2164 | ret = count; | |
844fa572 | 2165 | goto exit; |
87be054a | 2166 | } |
844fa572 | 2167 | |
39136248 RM |
2168 | pdev_param = ar->wmi.pdev_param->enable_btcoex; |
2169 | if (test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM, | |
2170 | ar->running_fw->fw_file.fw_features)) { | |
2171 | ret = ath10k_wmi_pdev_set_param(ar, pdev_param, val); | |
2172 | if (ret) { | |
2173 | ath10k_warn(ar, "failed to enable btcoex: %d\n", ret); | |
2174 | ret = count; | |
2175 | goto exit; | |
2176 | } | |
2177 | } else { | |
2178 | ath10k_info(ar, "restarting firmware due to btcoex change"); | |
2179 | queue_work(ar->workqueue, &ar->restart_work); | |
2180 | } | |
2181 | ||
844fa572 YL |
2182 | if (val) |
2183 | set_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags); | |
2184 | else | |
2185 | clear_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags); | |
2186 | ||
c28e6f06 | 2187 | ret = count; |
844fa572 YL |
2188 | |
2189 | exit: | |
2190 | mutex_unlock(&ar->conf_mutex); | |
2191 | ||
c28e6f06 | 2192 | return ret; |
844fa572 YL |
2193 | } |
2194 | ||
2195 | static ssize_t ath10k_read_btcoex(struct file *file, char __user *ubuf, | |
2196 | size_t count, loff_t *ppos) | |
2197 | { | |
2198 | char buf[32]; | |
2199 | struct ath10k *ar = file->private_data; | |
2200 | int len = 0; | |
2201 | ||
2202 | mutex_lock(&ar->conf_mutex); | |
2203 | len = scnprintf(buf, sizeof(buf) - len, "%d\n", | |
2204 | test_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags)); | |
2205 | mutex_unlock(&ar->conf_mutex); | |
2206 | ||
2207 | return simple_read_from_buffer(ubuf, count, ppos, buf, len); | |
2208 | } | |
2209 | ||
2210 | static const struct file_operations fops_btcoex = { | |
2211 | .read = ath10k_read_btcoex, | |
2212 | .write = ath10k_write_btcoex, | |
2213 | .open = simple_open | |
2214 | }; | |
2215 | ||
cc61a1bb MSS |
2216 | static ssize_t ath10k_write_peer_stats(struct file *file, |
2217 | const char __user *ubuf, | |
2218 | size_t count, loff_t *ppos) | |
2219 | { | |
2220 | struct ath10k *ar = file->private_data; | |
2221 | char buf[32]; | |
2222 | size_t buf_size; | |
87be054a | 2223 | int ret; |
cc61a1bb MSS |
2224 | bool val; |
2225 | ||
2226 | buf_size = min(count, (sizeof(buf) - 1)); | |
2227 | if (copy_from_user(buf, ubuf, buf_size)) | |
2228 | return -EFAULT; | |
2229 | ||
2230 | buf[buf_size] = '\0'; | |
2231 | ||
2232 | if (strtobool(buf, &val) != 0) | |
2233 | return -EINVAL; | |
2234 | ||
2235 | mutex_lock(&ar->conf_mutex); | |
2236 | ||
2237 | if (ar->state != ATH10K_STATE_ON && | |
2238 | ar->state != ATH10K_STATE_RESTARTED) { | |
2239 | ret = -ENETDOWN; | |
2240 | goto exit; | |
2241 | } | |
2242 | ||
87be054a MSS |
2243 | if (!(test_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags) ^ val)) { |
2244 | ret = count; | |
cc61a1bb | 2245 | goto exit; |
87be054a | 2246 | } |
cc61a1bb MSS |
2247 | |
2248 | if (val) | |
2249 | set_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags); | |
2250 | else | |
2251 | clear_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags); | |
2252 | ||
2253 | ath10k_info(ar, "restarting firmware due to Peer stats change"); | |
2254 | ||
2255 | queue_work(ar->workqueue, &ar->restart_work); | |
2256 | ret = count; | |
2257 | ||
2258 | exit: | |
2259 | mutex_unlock(&ar->conf_mutex); | |
2260 | return ret; | |
2261 | } | |
2262 | ||
2263 | static ssize_t ath10k_read_peer_stats(struct file *file, char __user *ubuf, | |
2264 | size_t count, loff_t *ppos) | |
2265 | ||
2266 | { | |
2267 | char buf[32]; | |
2268 | struct ath10k *ar = file->private_data; | |
2269 | int len = 0; | |
2270 | ||
2271 | mutex_lock(&ar->conf_mutex); | |
2272 | len = scnprintf(buf, sizeof(buf) - len, "%d\n", | |
2273 | test_bit(ATH10K_FLAG_PEER_STATS, &ar->dev_flags)); | |
2274 | mutex_unlock(&ar->conf_mutex); | |
2275 | ||
2276 | return simple_read_from_buffer(ubuf, count, ppos, buf, len); | |
2277 | } | |
2278 | ||
2279 | static const struct file_operations fops_peer_stats = { | |
2280 | .read = ath10k_read_peer_stats, | |
2281 | .write = ath10k_write_peer_stats, | |
2282 | .open = simple_open | |
2283 | }; | |
2284 | ||
9e100c4d KV |
2285 | static ssize_t ath10k_debug_fw_checksums_read(struct file *file, |
2286 | char __user *user_buf, | |
2287 | size_t count, loff_t *ppos) | |
2288 | { | |
2289 | struct ath10k *ar = file->private_data; | |
2290 | unsigned int len = 0, buf_len = 4096; | |
2291 | ssize_t ret_cnt; | |
2292 | char *buf; | |
2293 | ||
2294 | buf = kzalloc(buf_len, GFP_KERNEL); | |
2295 | if (!buf) | |
2296 | return -ENOMEM; | |
2297 | ||
2298 | mutex_lock(&ar->conf_mutex); | |
2299 | ||
9e100c4d KV |
2300 | len += scnprintf(buf + len, buf_len - len, |
2301 | "firmware-N.bin\t\t%08x\n", | |
7ebf721d KV |
2302 | crc32_le(0, ar->normal_mode_fw.fw_file.firmware->data, |
2303 | ar->normal_mode_fw.fw_file.firmware->size)); | |
9e100c4d KV |
2304 | len += scnprintf(buf + len, buf_len - len, |
2305 | "athwlan\t\t\t%08x\n", | |
7ebf721d KV |
2306 | crc32_le(0, ar->normal_mode_fw.fw_file.firmware_data, |
2307 | ar->normal_mode_fw.fw_file.firmware_len)); | |
9e100c4d KV |
2308 | len += scnprintf(buf + len, buf_len - len, |
2309 | "otp\t\t\t%08x\n", | |
7ebf721d KV |
2310 | crc32_le(0, ar->normal_mode_fw.fw_file.otp_data, |
2311 | ar->normal_mode_fw.fw_file.otp_len)); | |
9e100c4d KV |
2312 | len += scnprintf(buf + len, buf_len - len, |
2313 | "codeswap\t\t%08x\n", | |
7ebf721d KV |
2314 | crc32_le(0, ar->normal_mode_fw.fw_file.codeswap_data, |
2315 | ar->normal_mode_fw.fw_file.codeswap_len)); | |
9e100c4d KV |
2316 | len += scnprintf(buf + len, buf_len - len, |
2317 | "board-N.bin\t\t%08x\n", | |
7ebf721d KV |
2318 | crc32_le(0, ar->normal_mode_fw.board->data, |
2319 | ar->normal_mode_fw.board->size)); | |
9e100c4d KV |
2320 | len += scnprintf(buf + len, buf_len - len, |
2321 | "board\t\t\t%08x\n", | |
7ebf721d KV |
2322 | crc32_le(0, ar->normal_mode_fw.board_data, |
2323 | ar->normal_mode_fw.board_len)); | |
9e100c4d KV |
2324 | |
2325 | ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
2326 | ||
2327 | mutex_unlock(&ar->conf_mutex); | |
2328 | ||
2329 | kfree(buf); | |
2330 | return ret_cnt; | |
2331 | } | |
2332 | ||
2333 | static const struct file_operations fops_fw_checksums = { | |
2334 | .read = ath10k_debug_fw_checksums_read, | |
2335 | .open = simple_open, | |
2336 | .owner = THIS_MODULE, | |
2337 | .llseek = default_llseek, | |
2338 | }; | |
2339 | ||
5e3dd157 KV |
2340 | int ath10k_debug_create(struct ath10k *ar) |
2341 | { | |
384914b2 | 2342 | ar->debug.fw_crash_data = vzalloc(sizeof(*ar->debug.fw_crash_data)); |
e13cf7a3 MK |
2343 | if (!ar->debug.fw_crash_data) |
2344 | return -ENOMEM; | |
384914b2 | 2345 | |
5326849a | 2346 | INIT_LIST_HEAD(&ar->debug.fw_stats.pdevs); |
7b6b153a | 2347 | INIT_LIST_HEAD(&ar->debug.fw_stats.vdevs); |
5326849a | 2348 | INIT_LIST_HEAD(&ar->debug.fw_stats.peers); |
4a49ae94 | 2349 | INIT_LIST_HEAD(&ar->debug.fw_stats.peers_extd); |
5326849a | 2350 | |
e13cf7a3 MK |
2351 | return 0; |
2352 | } | |
2353 | ||
2354 | void ath10k_debug_destroy(struct ath10k *ar) | |
2355 | { | |
2356 | vfree(ar->debug.fw_crash_data); | |
2357 | ar->debug.fw_crash_data = NULL; | |
5326849a MK |
2358 | |
2359 | ath10k_debug_fw_stats_reset(ar); | |
29542666 MK |
2360 | |
2361 | kfree(ar->debug.tpc_stats); | |
e13cf7a3 MK |
2362 | } |
2363 | ||
2364 | int ath10k_debug_register(struct ath10k *ar) | |
2365 | { | |
5e3dd157 KV |
2366 | ar->debug.debugfs_phy = debugfs_create_dir("ath10k", |
2367 | ar->hw->wiphy->debugfsdir); | |
adb43b24 MK |
2368 | if (IS_ERR_OR_NULL(ar->debug.debugfs_phy)) { |
2369 | if (IS_ERR(ar->debug.debugfs_phy)) | |
2370 | return PTR_ERR(ar->debug.debugfs_phy); | |
d8bb26b9 KV |
2371 | |
2372 | return -ENOMEM; | |
adb43b24 | 2373 | } |
5e3dd157 | 2374 | |
a3d135e5 KV |
2375 | INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork, |
2376 | ath10k_debug_htt_stats_dwork); | |
2377 | ||
29542666 | 2378 | init_completion(&ar->debug.tpc_complete); |
60ef401a | 2379 | init_completion(&ar->debug.fw_stats_complete); |
5e3dd157 KV |
2380 | |
2381 | debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar, | |
2382 | &fops_fw_stats); | |
2383 | ||
f51dbe73 BG |
2384 | debugfs_create_file("fw_reset_stats", S_IRUSR, ar->debug.debugfs_phy, |
2385 | ar, &fops_fw_reset_stats); | |
2386 | ||
5e3dd157 KV |
2387 | debugfs_create_file("wmi_services", S_IRUSR, ar->debug.debugfs_phy, ar, |
2388 | &fops_wmi_services); | |
2389 | ||
8bf1ba1c MSS |
2390 | debugfs_create_file("simulate_fw_crash", S_IRUSR | S_IWUSR, |
2391 | ar->debug.debugfs_phy, ar, &fops_simulate_fw_crash); | |
278c4a85 | 2392 | |
384914b2 BG |
2393 | debugfs_create_file("fw_crash_dump", S_IRUSR, ar->debug.debugfs_phy, |
2394 | ar, &fops_fw_crash_dump); | |
2395 | ||
077a3804 YL |
2396 | debugfs_create_file("reg_addr", S_IRUSR | S_IWUSR, |
2397 | ar->debug.debugfs_phy, ar, &fops_reg_addr); | |
2398 | ||
2399 | debugfs_create_file("reg_value", S_IRUSR | S_IWUSR, | |
2400 | ar->debug.debugfs_phy, ar, &fops_reg_value); | |
2401 | ||
9f65ad25 YL |
2402 | debugfs_create_file("mem_value", S_IRUSR | S_IWUSR, |
2403 | ar->debug.debugfs_phy, ar, &fops_mem_value); | |
2404 | ||
763b8cd3 KV |
2405 | debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy, |
2406 | ar, &fops_chip_id); | |
2407 | ||
8bf1ba1c MSS |
2408 | debugfs_create_file("htt_stats_mask", S_IRUSR | S_IWUSR, |
2409 | ar->debug.debugfs_phy, ar, &fops_htt_stats_mask); | |
a3d135e5 | 2410 | |
d385623a JD |
2411 | debugfs_create_file("htt_max_amsdu_ampdu", S_IRUSR | S_IWUSR, |
2412 | ar->debug.debugfs_phy, ar, | |
2413 | &fops_htt_max_amsdu_ampdu); | |
2414 | ||
8bf1ba1c MSS |
2415 | debugfs_create_file("fw_dbglog", S_IRUSR | S_IWUSR, |
2416 | ar->debug.debugfs_phy, ar, &fops_fw_dbglog); | |
f118a3e5 | 2417 | |
7869b4fa KV |
2418 | debugfs_create_file("cal_data", S_IRUSR, ar->debug.debugfs_phy, |
2419 | ar, &fops_cal_data); | |
2420 | ||
b3e71d7a ARN |
2421 | debugfs_create_file("ani_enable", S_IRUSR | S_IWUSR, |
2422 | ar->debug.debugfs_phy, ar, &fops_ani_enable); | |
2423 | ||
a7bd3e99 PO |
2424 | debugfs_create_file("nf_cal_period", S_IRUSR | S_IWUSR, |
2425 | ar->debug.debugfs_phy, ar, &fops_nf_cal_period); | |
2426 | ||
97f2645f | 2427 | if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED)) { |
9702c686 JD |
2428 | debugfs_create_file("dfs_simulate_radar", S_IWUSR, |
2429 | ar->debug.debugfs_phy, ar, | |
2430 | &fops_simulate_radar); | |
2431 | ||
7d9b40b4 MP |
2432 | debugfs_create_bool("dfs_block_radar_events", S_IWUSR, |
2433 | ar->debug.debugfs_phy, | |
2434 | &ar->dfs_block_radar_events); | |
2435 | ||
9702c686 JD |
2436 | debugfs_create_file("dfs_stats", S_IRUSR, |
2437 | ar->debug.debugfs_phy, ar, | |
2438 | &fops_dfs_stats); | |
2439 | } | |
2440 | ||
90174455 RM |
2441 | debugfs_create_file("pktlog_filter", S_IRUGO | S_IWUSR, |
2442 | ar->debug.debugfs_phy, ar, &fops_pktlog_filter); | |
2443 | ||
63fb32df RM |
2444 | debugfs_create_file("quiet_period", S_IRUGO | S_IWUSR, |
2445 | ar->debug.debugfs_phy, ar, &fops_quiet_period); | |
2446 | ||
29542666 MK |
2447 | debugfs_create_file("tpc_stats", S_IRUSR, |
2448 | ar->debug.debugfs_phy, ar, &fops_tpc_stats); | |
2449 | ||
844fa572 YL |
2450 | if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map)) |
2451 | debugfs_create_file("btcoex", S_IRUGO | S_IWUSR, | |
2452 | ar->debug.debugfs_phy, ar, &fops_btcoex); | |
2453 | ||
cc61a1bb MSS |
2454 | if (test_bit(WMI_SERVICE_PEER_STATS, ar->wmi.svc_map)) |
2455 | debugfs_create_file("peer_stats", S_IRUGO | S_IWUSR, | |
2456 | ar->debug.debugfs_phy, ar, | |
2457 | &fops_peer_stats); | |
2458 | ||
9e100c4d KV |
2459 | debugfs_create_file("fw_checksums", S_IRUSR, |
2460 | ar->debug.debugfs_phy, ar, &fops_fw_checksums); | |
2461 | ||
5e3dd157 KV |
2462 | return 0; |
2463 | } | |
db66ea04 | 2464 | |
e13cf7a3 | 2465 | void ath10k_debug_unregister(struct ath10k *ar) |
60631c5c KV |
2466 | { |
2467 | cancel_delayed_work_sync(&ar->debug.htt_stats_dwork); | |
2468 | } | |
2469 | ||
5e3dd157 KV |
2470 | #endif /* CONFIG_ATH10K_DEBUGFS */ |
2471 | ||
2472 | #ifdef CONFIG_ATH10K_DEBUG | |
7aa7a72a MK |
2473 | void ath10k_dbg(struct ath10k *ar, enum ath10k_debug_mask mask, |
2474 | const char *fmt, ...) | |
5e3dd157 KV |
2475 | { |
2476 | struct va_format vaf; | |
2477 | va_list args; | |
2478 | ||
2479 | va_start(args, fmt); | |
2480 | ||
2481 | vaf.fmt = fmt; | |
2482 | vaf.va = &args; | |
2483 | ||
2484 | if (ath10k_debug_mask & mask) | |
7aa7a72a | 2485 | dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf); |
5e3dd157 | 2486 | |
d35a6c18 | 2487 | trace_ath10k_log_dbg(ar, mask, &vaf); |
5e3dd157 KV |
2488 | |
2489 | va_end(args); | |
2490 | } | |
2491 | EXPORT_SYMBOL(ath10k_dbg); | |
2492 | ||
7aa7a72a MK |
2493 | void ath10k_dbg_dump(struct ath10k *ar, |
2494 | enum ath10k_debug_mask mask, | |
5e3dd157 KV |
2495 | const char *msg, const char *prefix, |
2496 | const void *buf, size_t len) | |
2497 | { | |
45724a8a MK |
2498 | char linebuf[256]; |
2499 | unsigned int linebuflen; | |
2500 | const void *ptr; | |
2501 | ||
5e3dd157 KV |
2502 | if (ath10k_debug_mask & mask) { |
2503 | if (msg) | |
7aa7a72a | 2504 | ath10k_dbg(ar, mask, "%s\n", msg); |
5e3dd157 | 2505 | |
45724a8a MK |
2506 | for (ptr = buf; (ptr - buf) < len; ptr += 16) { |
2507 | linebuflen = 0; | |
2508 | linebuflen += scnprintf(linebuf + linebuflen, | |
2509 | sizeof(linebuf) - linebuflen, | |
2510 | "%s%08x: ", | |
2511 | (prefix ? prefix : ""), | |
2512 | (unsigned int)(ptr - buf)); | |
2513 | hex_dump_to_buffer(ptr, len - (ptr - buf), 16, 1, | |
2514 | linebuf + linebuflen, | |
2515 | sizeof(linebuf) - linebuflen, true); | |
2516 | dev_printk(KERN_DEBUG, ar->dev, "%s\n", linebuf); | |
2517 | } | |
5e3dd157 KV |
2518 | } |
2519 | ||
2520 | /* tracing code doesn't like null strings :/ */ | |
d35a6c18 | 2521 | trace_ath10k_log_dbg_dump(ar, msg ? msg : "", prefix ? prefix : "", |
5e3dd157 KV |
2522 | buf, len); |
2523 | } | |
2524 | EXPORT_SYMBOL(ath10k_dbg_dump); | |
2525 | ||
2526 | #endif /* CONFIG_ATH10K_DEBUG */ |