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Commit | Line | Data |
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5e3dd157 KV |
1 | /* |
2 | * Copyright (c) 2005-2011 Atheros Communications Inc. | |
3 | * Copyright (c) 2011-2013 Qualcomm Atheros, Inc. | |
4 | * | |
5 | * Permission to use, copy, modify, and/or distribute this software for any | |
6 | * purpose with or without fee is hereby granted, provided that the above | |
7 | * copyright notice and this permission notice appear in all copies. | |
8 | * | |
9 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
10 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
11 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
12 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
13 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
15 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
16 | */ | |
17 | ||
18 | #include <linux/module.h> | |
19 | #include <linux/debugfs.h> | |
384914b2 BG |
20 | #include <linux/version.h> |
21 | #include <linux/vermagic.h> | |
22 | #include <linux/vmalloc.h> | |
5e3dd157 KV |
23 | |
24 | #include "core.h" | |
25 | #include "debug.h" | |
26 | ||
a3d135e5 KV |
27 | /* ms */ |
28 | #define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000 | |
29 | ||
384914b2 BG |
30 | #define ATH10K_FW_CRASH_DUMP_VERSION 1 |
31 | ||
32 | /** | |
33 | * enum ath10k_fw_crash_dump_type - types of data in the dump file | |
34 | * @ATH10K_FW_CRASH_DUMP_REGDUMP: Register crash dump in binary format | |
35 | */ | |
36 | enum ath10k_fw_crash_dump_type { | |
37 | ATH10K_FW_CRASH_DUMP_REGISTERS = 0, | |
38 | ||
39 | ATH10K_FW_CRASH_DUMP_MAX, | |
40 | }; | |
41 | ||
42 | struct ath10k_tlv_dump_data { | |
43 | /* see ath10k_fw_crash_dump_type above */ | |
44 | __le32 type; | |
45 | ||
46 | /* in bytes */ | |
47 | __le32 tlv_len; | |
48 | ||
49 | /* pad to 32-bit boundaries as needed */ | |
50 | u8 tlv_data[]; | |
51 | } __packed; | |
52 | ||
53 | struct ath10k_dump_file_data { | |
54 | /* dump file information */ | |
55 | ||
56 | /* "ATH10K-FW-DUMP" */ | |
57 | char df_magic[16]; | |
58 | ||
59 | __le32 len; | |
60 | ||
61 | /* file dump version */ | |
62 | __le32 version; | |
63 | ||
64 | /* some info we can get from ath10k struct that might help */ | |
65 | ||
66 | u8 uuid[16]; | |
67 | ||
68 | __le32 chip_id; | |
69 | ||
70 | /* 0 for now, in place for later hardware */ | |
71 | __le32 bus_type; | |
72 | ||
73 | __le32 target_version; | |
74 | __le32 fw_version_major; | |
75 | __le32 fw_version_minor; | |
76 | __le32 fw_version_release; | |
77 | __le32 fw_version_build; | |
78 | __le32 phy_capability; | |
79 | __le32 hw_min_tx_power; | |
80 | __le32 hw_max_tx_power; | |
81 | __le32 ht_cap_info; | |
82 | __le32 vht_cap_info; | |
83 | __le32 num_rf_chains; | |
84 | ||
85 | /* firmware version string */ | |
86 | char fw_ver[ETHTOOL_FWVERS_LEN]; | |
87 | ||
88 | /* Kernel related information */ | |
89 | ||
90 | /* time-of-day stamp */ | |
91 | __le64 tv_sec; | |
92 | ||
93 | /* time-of-day stamp, nano-seconds */ | |
94 | __le64 tv_nsec; | |
95 | ||
96 | /* LINUX_VERSION_CODE */ | |
97 | __le32 kernel_ver_code; | |
98 | ||
99 | /* VERMAGIC_STRING */ | |
100 | char kernel_ver[64]; | |
101 | ||
102 | /* room for growth w/out changing binary format */ | |
103 | u8 unused[128]; | |
104 | ||
105 | /* struct ath10k_tlv_dump_data + more */ | |
106 | u8 data[0]; | |
107 | } __packed; | |
108 | ||
7aa7a72a | 109 | int ath10k_info(struct ath10k *ar, const char *fmt, ...) |
5e3dd157 KV |
110 | { |
111 | struct va_format vaf = { | |
112 | .fmt = fmt, | |
113 | }; | |
114 | va_list args; | |
115 | int ret; | |
116 | ||
117 | va_start(args, fmt); | |
118 | vaf.va = &args; | |
7aa7a72a | 119 | ret = dev_info(ar->dev, "%pV", &vaf); |
d35a6c18 | 120 | trace_ath10k_log_info(ar, &vaf); |
5e3dd157 KV |
121 | va_end(args); |
122 | ||
123 | return ret; | |
124 | } | |
125 | EXPORT_SYMBOL(ath10k_info); | |
126 | ||
8a0c797e KV |
127 | void ath10k_print_driver_info(struct ath10k *ar) |
128 | { | |
34b28b6e | 129 | ath10k_info(ar, "%s (0x%08x, 0x%08x) fw %s api %d htt %d.%d wmi %d.%d.%d.%d\n", |
8a0c797e KV |
130 | ar->hw_params.name, |
131 | ar->target_version, | |
132 | ar->chip_id, | |
133 | ar->hw->wiphy->fw_version, | |
134 | ar->fw_api, | |
135 | ar->htt.target_version_major, | |
34b28b6e MK |
136 | ar->htt.target_version_minor, |
137 | ar->fw_version_major, | |
138 | ar->fw_version_minor, | |
139 | ar->fw_version_release, | |
140 | ar->fw_version_build); | |
43d2a30f | 141 | ath10k_info(ar, "debug %d debugfs %d tracing %d dfs %d testmode %d\n", |
8a0c797e KV |
142 | config_enabled(CONFIG_ATH10K_DEBUG), |
143 | config_enabled(CONFIG_ATH10K_DEBUGFS), | |
144 | config_enabled(CONFIG_ATH10K_TRACING), | |
43d2a30f KV |
145 | config_enabled(CONFIG_ATH10K_DFS_CERTIFIED), |
146 | config_enabled(CONFIG_NL80211_TESTMODE)); | |
8a0c797e KV |
147 | } |
148 | EXPORT_SYMBOL(ath10k_print_driver_info); | |
149 | ||
7aa7a72a | 150 | int ath10k_err(struct ath10k *ar, const char *fmt, ...) |
5e3dd157 KV |
151 | { |
152 | struct va_format vaf = { | |
153 | .fmt = fmt, | |
154 | }; | |
155 | va_list args; | |
156 | int ret; | |
157 | ||
158 | va_start(args, fmt); | |
159 | vaf.va = &args; | |
7aa7a72a | 160 | ret = dev_err(ar->dev, "%pV", &vaf); |
d35a6c18 | 161 | trace_ath10k_log_err(ar, &vaf); |
5e3dd157 KV |
162 | va_end(args); |
163 | ||
164 | return ret; | |
165 | } | |
166 | EXPORT_SYMBOL(ath10k_err); | |
167 | ||
7aa7a72a | 168 | int ath10k_warn(struct ath10k *ar, const char *fmt, ...) |
5e3dd157 KV |
169 | { |
170 | struct va_format vaf = { | |
171 | .fmt = fmt, | |
172 | }; | |
173 | va_list args; | |
5e3dd157 KV |
174 | |
175 | va_start(args, fmt); | |
176 | vaf.va = &args; | |
7aa7a72a | 177 | dev_warn_ratelimited(ar->dev, "%pV", &vaf); |
d35a6c18 | 178 | trace_ath10k_log_warn(ar, &vaf); |
5e3dd157 KV |
179 | |
180 | va_end(args); | |
181 | ||
7aa7a72a | 182 | return 0; |
5e3dd157 KV |
183 | } |
184 | EXPORT_SYMBOL(ath10k_warn); | |
185 | ||
186 | #ifdef CONFIG_ATH10K_DEBUGFS | |
187 | ||
188 | void ath10k_debug_read_service_map(struct ath10k *ar, | |
5c01aa3d | 189 | const void *service_map, |
5e3dd157 KV |
190 | size_t map_size) |
191 | { | |
192 | memcpy(ar->debug.wmi_service_bitmap, service_map, map_size); | |
193 | } | |
194 | ||
195 | static ssize_t ath10k_read_wmi_services(struct file *file, | |
196 | char __user *user_buf, | |
197 | size_t count, loff_t *ppos) | |
198 | { | |
199 | struct ath10k *ar = file->private_data; | |
200 | char *buf; | |
cff990ce MK |
201 | unsigned int len = 0, buf_len = 4096; |
202 | const char *name; | |
5e3dd157 | 203 | ssize_t ret_cnt; |
cff990ce | 204 | bool enabled; |
5e3dd157 KV |
205 | int i; |
206 | ||
207 | buf = kzalloc(buf_len, GFP_KERNEL); | |
208 | if (!buf) | |
209 | return -ENOMEM; | |
210 | ||
211 | mutex_lock(&ar->conf_mutex); | |
212 | ||
213 | if (len > buf_len) | |
214 | len = buf_len; | |
215 | ||
c4f8c836 | 216 | for (i = 0; i < WMI_SERVICE_MAX; i++) { |
cff990ce MK |
217 | enabled = test_bit(i, ar->debug.wmi_service_bitmap); |
218 | name = wmi_service_name(i); | |
219 | ||
220 | if (!name) { | |
221 | if (enabled) | |
222 | len += scnprintf(buf + len, buf_len - len, | |
223 | "%-40s %s (bit %d)\n", | |
224 | "unknown", "enabled", i); | |
225 | ||
226 | continue; | |
227 | } | |
5e3dd157 KV |
228 | |
229 | len += scnprintf(buf + len, buf_len - len, | |
cff990ce MK |
230 | "%-40s %s\n", |
231 | name, enabled ? "enabled" : "-"); | |
5e3dd157 KV |
232 | } |
233 | ||
234 | ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
235 | ||
236 | mutex_unlock(&ar->conf_mutex); | |
237 | ||
238 | kfree(buf); | |
239 | return ret_cnt; | |
240 | } | |
241 | ||
242 | static const struct file_operations fops_wmi_services = { | |
243 | .read = ath10k_read_wmi_services, | |
244 | .open = simple_open, | |
245 | .owner = THIS_MODULE, | |
246 | .llseek = default_llseek, | |
247 | }; | |
248 | ||
249 | void ath10k_debug_read_target_stats(struct ath10k *ar, | |
250 | struct wmi_stats_event *ev) | |
251 | { | |
252 | u8 *tmp = ev->data; | |
253 | struct ath10k_target_stats *stats; | |
254 | int num_pdev_stats, num_vdev_stats, num_peer_stats; | |
52e346d1 | 255 | struct wmi_pdev_stats_10x *ps; |
5e3dd157 KV |
256 | int i; |
257 | ||
87571bf0 | 258 | spin_lock_bh(&ar->data_lock); |
5e3dd157 KV |
259 | |
260 | stats = &ar->debug.target_stats; | |
261 | ||
262 | num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats); /* 0 or 1 */ | |
263 | num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats); /* 0 or max vdevs */ | |
264 | num_peer_stats = __le32_to_cpu(ev->num_peer_stats); /* 0 or max peers */ | |
265 | ||
266 | if (num_pdev_stats) { | |
52e346d1 | 267 | ps = (struct wmi_pdev_stats_10x *)tmp; |
5e3dd157 KV |
268 | |
269 | stats->ch_noise_floor = __le32_to_cpu(ps->chan_nf); | |
270 | stats->tx_frame_count = __le32_to_cpu(ps->tx_frame_count); | |
271 | stats->rx_frame_count = __le32_to_cpu(ps->rx_frame_count); | |
272 | stats->rx_clear_count = __le32_to_cpu(ps->rx_clear_count); | |
273 | stats->cycle_count = __le32_to_cpu(ps->cycle_count); | |
274 | stats->phy_err_count = __le32_to_cpu(ps->phy_err_count); | |
275 | stats->chan_tx_power = __le32_to_cpu(ps->chan_tx_pwr); | |
276 | ||
277 | stats->comp_queued = __le32_to_cpu(ps->wal.tx.comp_queued); | |
278 | stats->comp_delivered = | |
279 | __le32_to_cpu(ps->wal.tx.comp_delivered); | |
280 | stats->msdu_enqued = __le32_to_cpu(ps->wal.tx.msdu_enqued); | |
281 | stats->mpdu_enqued = __le32_to_cpu(ps->wal.tx.mpdu_enqued); | |
282 | stats->wmm_drop = __le32_to_cpu(ps->wal.tx.wmm_drop); | |
283 | stats->local_enqued = __le32_to_cpu(ps->wal.tx.local_enqued); | |
284 | stats->local_freed = __le32_to_cpu(ps->wal.tx.local_freed); | |
285 | stats->hw_queued = __le32_to_cpu(ps->wal.tx.hw_queued); | |
286 | stats->hw_reaped = __le32_to_cpu(ps->wal.tx.hw_reaped); | |
287 | stats->underrun = __le32_to_cpu(ps->wal.tx.underrun); | |
288 | stats->tx_abort = __le32_to_cpu(ps->wal.tx.tx_abort); | |
289 | stats->mpdus_requed = __le32_to_cpu(ps->wal.tx.mpdus_requed); | |
290 | stats->tx_ko = __le32_to_cpu(ps->wal.tx.tx_ko); | |
291 | stats->data_rc = __le32_to_cpu(ps->wal.tx.data_rc); | |
292 | stats->self_triggers = __le32_to_cpu(ps->wal.tx.self_triggers); | |
293 | stats->sw_retry_failure = | |
294 | __le32_to_cpu(ps->wal.tx.sw_retry_failure); | |
295 | stats->illgl_rate_phy_err = | |
296 | __le32_to_cpu(ps->wal.tx.illgl_rate_phy_err); | |
297 | stats->pdev_cont_xretry = | |
298 | __le32_to_cpu(ps->wal.tx.pdev_cont_xretry); | |
299 | stats->pdev_tx_timeout = | |
300 | __le32_to_cpu(ps->wal.tx.pdev_tx_timeout); | |
301 | stats->pdev_resets = __le32_to_cpu(ps->wal.tx.pdev_resets); | |
302 | stats->phy_underrun = __le32_to_cpu(ps->wal.tx.phy_underrun); | |
303 | stats->txop_ovf = __le32_to_cpu(ps->wal.tx.txop_ovf); | |
304 | ||
305 | stats->mid_ppdu_route_change = | |
306 | __le32_to_cpu(ps->wal.rx.mid_ppdu_route_change); | |
307 | stats->status_rcvd = __le32_to_cpu(ps->wal.rx.status_rcvd); | |
308 | stats->r0_frags = __le32_to_cpu(ps->wal.rx.r0_frags); | |
309 | stats->r1_frags = __le32_to_cpu(ps->wal.rx.r1_frags); | |
310 | stats->r2_frags = __le32_to_cpu(ps->wal.rx.r2_frags); | |
311 | stats->r3_frags = __le32_to_cpu(ps->wal.rx.r3_frags); | |
312 | stats->htt_msdus = __le32_to_cpu(ps->wal.rx.htt_msdus); | |
313 | stats->htt_mpdus = __le32_to_cpu(ps->wal.rx.htt_mpdus); | |
314 | stats->loc_msdus = __le32_to_cpu(ps->wal.rx.loc_msdus); | |
315 | stats->loc_mpdus = __le32_to_cpu(ps->wal.rx.loc_mpdus); | |
316 | stats->oversize_amsdu = | |
317 | __le32_to_cpu(ps->wal.rx.oversize_amsdu); | |
318 | stats->phy_errs = __le32_to_cpu(ps->wal.rx.phy_errs); | |
319 | stats->phy_err_drop = __le32_to_cpu(ps->wal.rx.phy_err_drop); | |
320 | stats->mpdu_errs = __le32_to_cpu(ps->wal.rx.mpdu_errs); | |
321 | ||
52e346d1 CYY |
322 | if (test_bit(ATH10K_FW_FEATURE_WMI_10X, |
323 | ar->fw_features)) { | |
324 | stats->ack_rx_bad = __le32_to_cpu(ps->ack_rx_bad); | |
325 | stats->rts_bad = __le32_to_cpu(ps->rts_bad); | |
326 | stats->rts_good = __le32_to_cpu(ps->rts_good); | |
327 | stats->fcs_bad = __le32_to_cpu(ps->fcs_bad); | |
328 | stats->no_beacons = __le32_to_cpu(ps->no_beacons); | |
329 | stats->mib_int_count = __le32_to_cpu(ps->mib_int_count); | |
330 | tmp += sizeof(struct wmi_pdev_stats_10x); | |
331 | } else { | |
332 | tmp += sizeof(struct wmi_pdev_stats_old); | |
333 | } | |
5e3dd157 KV |
334 | } |
335 | ||
336 | /* 0 or max vdevs */ | |
337 | /* Currently firmware does not support VDEV stats */ | |
338 | if (num_vdev_stats) { | |
339 | struct wmi_vdev_stats *vdev_stats; | |
340 | ||
341 | for (i = 0; i < num_vdev_stats; i++) { | |
342 | vdev_stats = (struct wmi_vdev_stats *)tmp; | |
343 | tmp += sizeof(struct wmi_vdev_stats); | |
344 | } | |
345 | } | |
346 | ||
347 | if (num_peer_stats) { | |
23c3aae4 | 348 | struct wmi_peer_stats_10x *peer_stats; |
5e3dd157 KV |
349 | struct ath10k_peer_stat *s; |
350 | ||
351 | stats->peers = num_peer_stats; | |
352 | ||
353 | for (i = 0; i < num_peer_stats; i++) { | |
23c3aae4 | 354 | peer_stats = (struct wmi_peer_stats_10x *)tmp; |
5e3dd157 KV |
355 | s = &stats->peer_stat[i]; |
356 | ||
cf0fd562 CYY |
357 | memcpy(s->peer_macaddr, &peer_stats->peer_macaddr.addr, |
358 | ETH_ALEN); | |
5e3dd157 KV |
359 | s->peer_rssi = __le32_to_cpu(peer_stats->peer_rssi); |
360 | s->peer_tx_rate = | |
361 | __le32_to_cpu(peer_stats->peer_tx_rate); | |
23c3aae4 BG |
362 | if (test_bit(ATH10K_FW_FEATURE_WMI_10X, |
363 | ar->fw_features)) { | |
364 | s->peer_rx_rate = | |
365 | __le32_to_cpu(peer_stats->peer_rx_rate); | |
366 | tmp += sizeof(struct wmi_peer_stats_10x); | |
367 | ||
368 | } else { | |
369 | tmp += sizeof(struct wmi_peer_stats_old); | |
370 | } | |
5e3dd157 KV |
371 | } |
372 | } | |
373 | ||
87571bf0 | 374 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
375 | complete(&ar->debug.event_stats_compl); |
376 | } | |
377 | ||
378 | static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf, | |
379 | size_t count, loff_t *ppos) | |
380 | { | |
381 | struct ath10k *ar = file->private_data; | |
382 | struct ath10k_target_stats *fw_stats; | |
87571bf0 | 383 | char *buf = NULL; |
23c3aae4 | 384 | unsigned int len = 0, buf_len = 8000; |
87571bf0 | 385 | ssize_t ret_cnt = 0; |
5e3dd157 KV |
386 | long left; |
387 | int i; | |
388 | int ret; | |
389 | ||
390 | fw_stats = &ar->debug.target_stats; | |
391 | ||
87571bf0 MK |
392 | mutex_lock(&ar->conf_mutex); |
393 | ||
394 | if (ar->state != ATH10K_STATE_ON) | |
395 | goto exit; | |
396 | ||
5e3dd157 KV |
397 | buf = kzalloc(buf_len, GFP_KERNEL); |
398 | if (!buf) | |
87571bf0 | 399 | goto exit; |
5e3dd157 KV |
400 | |
401 | ret = ath10k_wmi_request_stats(ar, WMI_REQUEST_PEER_STAT); | |
402 | if (ret) { | |
7aa7a72a | 403 | ath10k_warn(ar, "could not request stats (%d)\n", ret); |
87571bf0 | 404 | goto exit; |
5e3dd157 KV |
405 | } |
406 | ||
407 | left = wait_for_completion_timeout(&ar->debug.event_stats_compl, 1*HZ); | |
87571bf0 MK |
408 | if (left <= 0) |
409 | goto exit; | |
5e3dd157 | 410 | |
87571bf0 | 411 | spin_lock_bh(&ar->data_lock); |
5e3dd157 KV |
412 | len += scnprintf(buf + len, buf_len - len, "\n"); |
413 | len += scnprintf(buf + len, buf_len - len, "%30s\n", | |
414 | "ath10k PDEV stats"); | |
415 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", | |
416 | "================="); | |
417 | ||
418 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
419 | "Channel noise floor", fw_stats->ch_noise_floor); | |
420 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
421 | "Channel TX power", fw_stats->chan_tx_power); | |
422 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
423 | "TX frame count", fw_stats->tx_frame_count); | |
424 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
425 | "RX frame count", fw_stats->rx_frame_count); | |
426 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
427 | "RX clear count", fw_stats->rx_clear_count); | |
428 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
429 | "Cycle count", fw_stats->cycle_count); | |
430 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
431 | "PHY error count", fw_stats->phy_err_count); | |
52e346d1 CYY |
432 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", |
433 | "RTS bad count", fw_stats->rts_bad); | |
434 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
435 | "RTS good count", fw_stats->rts_good); | |
436 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
437 | "FCS bad count", fw_stats->fcs_bad); | |
438 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
439 | "No beacon count", fw_stats->no_beacons); | |
440 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
441 | "MIB int count", fw_stats->mib_int_count); | |
5e3dd157 KV |
442 | |
443 | len += scnprintf(buf + len, buf_len - len, "\n"); | |
444 | len += scnprintf(buf + len, buf_len - len, "%30s\n", | |
445 | "ath10k PDEV TX stats"); | |
446 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", | |
447 | "================="); | |
448 | ||
449 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
450 | "HTT cookies queued", fw_stats->comp_queued); | |
451 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
452 | "HTT cookies disp.", fw_stats->comp_delivered); | |
453 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
454 | "MSDU queued", fw_stats->msdu_enqued); | |
455 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
456 | "MPDU queued", fw_stats->mpdu_enqued); | |
457 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
458 | "MSDUs dropped", fw_stats->wmm_drop); | |
459 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
460 | "Local enqued", fw_stats->local_enqued); | |
461 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
462 | "Local freed", fw_stats->local_freed); | |
463 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
464 | "HW queued", fw_stats->hw_queued); | |
465 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
466 | "PPDUs reaped", fw_stats->hw_reaped); | |
467 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
468 | "Num underruns", fw_stats->underrun); | |
469 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
470 | "PPDUs cleaned", fw_stats->tx_abort); | |
471 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
472 | "MPDUs requed", fw_stats->mpdus_requed); | |
473 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
474 | "Excessive retries", fw_stats->tx_ko); | |
475 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
476 | "HW rate", fw_stats->data_rc); | |
477 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
478 | "Sched self tiggers", fw_stats->self_triggers); | |
479 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
480 | "Dropped due to SW retries", | |
481 | fw_stats->sw_retry_failure); | |
482 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
483 | "Illegal rate phy errors", | |
484 | fw_stats->illgl_rate_phy_err); | |
485 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
486 | "Pdev continous xretry", fw_stats->pdev_cont_xretry); | |
487 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
488 | "TX timeout", fw_stats->pdev_tx_timeout); | |
489 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
490 | "PDEV resets", fw_stats->pdev_resets); | |
491 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
492 | "PHY underrun", fw_stats->phy_underrun); | |
493 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
494 | "MPDU is more than txop limit", fw_stats->txop_ovf); | |
495 | ||
496 | len += scnprintf(buf + len, buf_len - len, "\n"); | |
497 | len += scnprintf(buf + len, buf_len - len, "%30s\n", | |
498 | "ath10k PDEV RX stats"); | |
499 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", | |
500 | "================="); | |
501 | ||
502 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
503 | "Mid PPDU route change", | |
504 | fw_stats->mid_ppdu_route_change); | |
505 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
506 | "Tot. number of statuses", fw_stats->status_rcvd); | |
507 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
508 | "Extra frags on rings 0", fw_stats->r0_frags); | |
509 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
510 | "Extra frags on rings 1", fw_stats->r1_frags); | |
511 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
512 | "Extra frags on rings 2", fw_stats->r2_frags); | |
513 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
514 | "Extra frags on rings 3", fw_stats->r3_frags); | |
515 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
516 | "MSDUs delivered to HTT", fw_stats->htt_msdus); | |
517 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
518 | "MPDUs delivered to HTT", fw_stats->htt_mpdus); | |
519 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
520 | "MSDUs delivered to stack", fw_stats->loc_msdus); | |
521 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
522 | "MPDUs delivered to stack", fw_stats->loc_mpdus); | |
523 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
524 | "Oversized AMSUs", fw_stats->oversize_amsdu); | |
525 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
526 | "PHY errors", fw_stats->phy_errs); | |
527 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
528 | "PHY errors drops", fw_stats->phy_err_drop); | |
529 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
530 | "MPDU errors (FCS, MIC, ENC)", fw_stats->mpdu_errs); | |
531 | ||
532 | len += scnprintf(buf + len, buf_len - len, "\n"); | |
23c3aae4 BG |
533 | len += scnprintf(buf + len, buf_len - len, "%30s (%d)\n", |
534 | "ath10k PEER stats", fw_stats->peers); | |
5e3dd157 KV |
535 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", |
536 | "================="); | |
537 | ||
538 | for (i = 0; i < fw_stats->peers; i++) { | |
539 | len += scnprintf(buf + len, buf_len - len, "%30s %pM\n", | |
540 | "Peer MAC address", | |
541 | fw_stats->peer_stat[i].peer_macaddr); | |
542 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", | |
543 | "Peer RSSI", fw_stats->peer_stat[i].peer_rssi); | |
544 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", | |
545 | "Peer TX rate", | |
546 | fw_stats->peer_stat[i].peer_tx_rate); | |
23c3aae4 BG |
547 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", |
548 | "Peer RX rate", | |
549 | fw_stats->peer_stat[i].peer_rx_rate); | |
5e3dd157 KV |
550 | len += scnprintf(buf + len, buf_len - len, "\n"); |
551 | } | |
87571bf0 | 552 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
553 | |
554 | if (len > buf_len) | |
555 | len = buf_len; | |
556 | ||
557 | ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
558 | ||
87571bf0 | 559 | exit: |
5e3dd157 | 560 | mutex_unlock(&ar->conf_mutex); |
5e3dd157 KV |
561 | kfree(buf); |
562 | return ret_cnt; | |
563 | } | |
564 | ||
565 | static const struct file_operations fops_fw_stats = { | |
566 | .read = ath10k_read_fw_stats, | |
567 | .open = simple_open, | |
568 | .owner = THIS_MODULE, | |
569 | .llseek = default_llseek, | |
570 | }; | |
571 | ||
d5aebc77 BG |
572 | /* This is a clean assert crash in firmware. */ |
573 | static int ath10k_debug_fw_assert(struct ath10k *ar) | |
574 | { | |
575 | struct wmi_vdev_install_key_cmd *cmd; | |
576 | struct sk_buff *skb; | |
577 | ||
578 | skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd) + 16); | |
579 | if (!skb) | |
580 | return -ENOMEM; | |
581 | ||
582 | cmd = (struct wmi_vdev_install_key_cmd *)skb->data; | |
583 | memset(cmd, 0, sizeof(*cmd)); | |
584 | ||
585 | /* big enough number so that firmware asserts */ | |
586 | cmd->vdev_id = __cpu_to_le32(0x7ffe); | |
587 | ||
588 | return ath10k_wmi_cmd_send(ar, skb, | |
589 | ar->wmi.cmd->vdev_install_key_cmdid); | |
590 | } | |
591 | ||
278c4a85 MK |
592 | static ssize_t ath10k_read_simulate_fw_crash(struct file *file, |
593 | char __user *user_buf, | |
594 | size_t count, loff_t *ppos) | |
595 | { | |
75cb96d3 KV |
596 | const char buf[] = |
597 | "To simulate firmware crash write one of the keywords to this file:\n" | |
598 | "`soft` - this will send WMI_FORCE_FW_HANG_ASSERT to firmware if FW supports that command.\n" | |
599 | "`hard` - this will send to firmware command with illegal parameters causing firmware crash.\n" | |
600 | "`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n"; | |
8c656992 | 601 | |
278c4a85 MK |
602 | return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); |
603 | } | |
604 | ||
8c656992 MP |
605 | /* Simulate firmware crash: |
606 | * 'soft': Call wmi command causing firmware hang. This firmware hang is | |
607 | * recoverable by warm firmware reset. | |
608 | * 'hard': Force firmware crash by setting any vdev parameter for not allowed | |
609 | * vdev id. This is hard firmware crash because it is recoverable only by cold | |
610 | * firmware reset. | |
611 | */ | |
278c4a85 MK |
612 | static ssize_t ath10k_write_simulate_fw_crash(struct file *file, |
613 | const char __user *user_buf, | |
614 | size_t count, loff_t *ppos) | |
615 | { | |
616 | struct ath10k *ar = file->private_data; | |
8c656992 | 617 | char buf[32]; |
278c4a85 MK |
618 | int ret; |
619 | ||
620 | mutex_lock(&ar->conf_mutex); | |
621 | ||
622 | simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); | |
8c656992 MP |
623 | |
624 | /* make sure that buf is null terminated */ | |
625 | buf[sizeof(buf) - 1] = 0; | |
278c4a85 MK |
626 | |
627 | if (ar->state != ATH10K_STATE_ON && | |
628 | ar->state != ATH10K_STATE_RESTARTED) { | |
629 | ret = -ENETDOWN; | |
630 | goto exit; | |
631 | } | |
632 | ||
8c656992 MP |
633 | /* drop the possible '\n' from the end */ |
634 | if (buf[count - 1] == '\n') { | |
635 | buf[count - 1] = 0; | |
636 | count--; | |
637 | } | |
638 | ||
639 | if (!strcmp(buf, "soft")) { | |
7aa7a72a | 640 | ath10k_info(ar, "simulating soft firmware crash\n"); |
8c656992 MP |
641 | ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0); |
642 | } else if (!strcmp(buf, "hard")) { | |
7aa7a72a | 643 | ath10k_info(ar, "simulating hard firmware crash\n"); |
611b3682 BG |
644 | /* 0x7fff is vdev id, and it is always out of range for all |
645 | * firmware variants in order to force a firmware crash. | |
646 | */ | |
647 | ret = ath10k_wmi_vdev_set_param(ar, 0x7fff, | |
5b07e07f KV |
648 | ar->wmi.vdev_param->rts_threshold, |
649 | 0); | |
d5aebc77 BG |
650 | } else if (!strcmp(buf, "assert")) { |
651 | ath10k_info(ar, "simulating firmware assert crash\n"); | |
652 | ret = ath10k_debug_fw_assert(ar); | |
8c656992 MP |
653 | } else { |
654 | ret = -EINVAL; | |
655 | goto exit; | |
656 | } | |
278c4a85 | 657 | |
8c656992 | 658 | if (ret) { |
7aa7a72a | 659 | ath10k_warn(ar, "failed to simulate firmware crash: %d\n", ret); |
8c656992 MP |
660 | goto exit; |
661 | } | |
278c4a85 | 662 | |
8c656992 | 663 | ret = count; |
278c4a85 MK |
664 | |
665 | exit: | |
666 | mutex_unlock(&ar->conf_mutex); | |
667 | return ret; | |
668 | } | |
669 | ||
670 | static const struct file_operations fops_simulate_fw_crash = { | |
671 | .read = ath10k_read_simulate_fw_crash, | |
672 | .write = ath10k_write_simulate_fw_crash, | |
673 | .open = simple_open, | |
674 | .owner = THIS_MODULE, | |
675 | .llseek = default_llseek, | |
676 | }; | |
677 | ||
763b8cd3 KV |
678 | static ssize_t ath10k_read_chip_id(struct file *file, char __user *user_buf, |
679 | size_t count, loff_t *ppos) | |
680 | { | |
681 | struct ath10k *ar = file->private_data; | |
682 | unsigned int len; | |
683 | char buf[50]; | |
684 | ||
685 | len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->chip_id); | |
686 | ||
687 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
688 | } | |
689 | ||
690 | static const struct file_operations fops_chip_id = { | |
691 | .read = ath10k_read_chip_id, | |
692 | .open = simple_open, | |
693 | .owner = THIS_MODULE, | |
694 | .llseek = default_llseek, | |
695 | }; | |
696 | ||
384914b2 BG |
697 | struct ath10k_fw_crash_data * |
698 | ath10k_debug_get_new_fw_crash_data(struct ath10k *ar) | |
699 | { | |
700 | struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data; | |
701 | ||
702 | lockdep_assert_held(&ar->data_lock); | |
703 | ||
704 | crash_data->crashed_since_read = true; | |
705 | uuid_le_gen(&crash_data->uuid); | |
706 | getnstimeofday(&crash_data->timestamp); | |
707 | ||
708 | return crash_data; | |
709 | } | |
710 | EXPORT_SYMBOL(ath10k_debug_get_new_fw_crash_data); | |
711 | ||
712 | static struct ath10k_dump_file_data *ath10k_build_dump_file(struct ath10k *ar) | |
713 | { | |
714 | struct ath10k_fw_crash_data *crash_data = ar->debug.fw_crash_data; | |
715 | struct ath10k_dump_file_data *dump_data; | |
716 | struct ath10k_tlv_dump_data *dump_tlv; | |
717 | int hdr_len = sizeof(*dump_data); | |
718 | unsigned int len, sofar = 0; | |
719 | unsigned char *buf; | |
720 | ||
721 | len = hdr_len; | |
722 | len += sizeof(*dump_tlv) + sizeof(crash_data->registers); | |
723 | ||
724 | sofar += hdr_len; | |
725 | ||
726 | /* This is going to get big when we start dumping FW RAM and such, | |
727 | * so go ahead and use vmalloc. | |
728 | */ | |
729 | buf = vzalloc(len); | |
730 | if (!buf) | |
731 | return NULL; | |
732 | ||
733 | spin_lock_bh(&ar->data_lock); | |
734 | ||
735 | if (!crash_data->crashed_since_read) { | |
736 | spin_unlock_bh(&ar->data_lock); | |
737 | vfree(buf); | |
738 | return NULL; | |
739 | } | |
740 | ||
741 | dump_data = (struct ath10k_dump_file_data *)(buf); | |
742 | strlcpy(dump_data->df_magic, "ATH10K-FW-DUMP", | |
743 | sizeof(dump_data->df_magic)); | |
744 | dump_data->len = cpu_to_le32(len); | |
745 | ||
746 | dump_data->version = cpu_to_le32(ATH10K_FW_CRASH_DUMP_VERSION); | |
747 | ||
748 | memcpy(dump_data->uuid, &crash_data->uuid, sizeof(dump_data->uuid)); | |
749 | dump_data->chip_id = cpu_to_le32(ar->chip_id); | |
750 | dump_data->bus_type = cpu_to_le32(0); | |
751 | dump_data->target_version = cpu_to_le32(ar->target_version); | |
752 | dump_data->fw_version_major = cpu_to_le32(ar->fw_version_major); | |
753 | dump_data->fw_version_minor = cpu_to_le32(ar->fw_version_minor); | |
754 | dump_data->fw_version_release = cpu_to_le32(ar->fw_version_release); | |
755 | dump_data->fw_version_build = cpu_to_le32(ar->fw_version_build); | |
756 | dump_data->phy_capability = cpu_to_le32(ar->phy_capability); | |
757 | dump_data->hw_min_tx_power = cpu_to_le32(ar->hw_min_tx_power); | |
758 | dump_data->hw_max_tx_power = cpu_to_le32(ar->hw_max_tx_power); | |
759 | dump_data->ht_cap_info = cpu_to_le32(ar->ht_cap_info); | |
760 | dump_data->vht_cap_info = cpu_to_le32(ar->vht_cap_info); | |
761 | dump_data->num_rf_chains = cpu_to_le32(ar->num_rf_chains); | |
762 | ||
763 | strlcpy(dump_data->fw_ver, ar->hw->wiphy->fw_version, | |
764 | sizeof(dump_data->fw_ver)); | |
765 | ||
766 | dump_data->kernel_ver_code = cpu_to_le32(LINUX_VERSION_CODE); | |
767 | strlcpy(dump_data->kernel_ver, VERMAGIC_STRING, | |
768 | sizeof(dump_data->kernel_ver)); | |
769 | ||
770 | dump_data->tv_sec = cpu_to_le64(crash_data->timestamp.tv_sec); | |
771 | dump_data->tv_nsec = cpu_to_le64(crash_data->timestamp.tv_nsec); | |
772 | ||
773 | /* Gather crash-dump */ | |
774 | dump_tlv = (struct ath10k_tlv_dump_data *)(buf + sofar); | |
775 | dump_tlv->type = cpu_to_le32(ATH10K_FW_CRASH_DUMP_REGISTERS); | |
776 | dump_tlv->tlv_len = cpu_to_le32(sizeof(crash_data->registers)); | |
777 | memcpy(dump_tlv->tlv_data, &crash_data->registers, | |
778 | sizeof(crash_data->registers)); | |
779 | sofar += sizeof(*dump_tlv) + sizeof(crash_data->registers); | |
780 | ||
781 | ar->debug.fw_crash_data->crashed_since_read = false; | |
782 | ||
783 | spin_unlock_bh(&ar->data_lock); | |
784 | ||
785 | return dump_data; | |
786 | } | |
787 | ||
788 | static int ath10k_fw_crash_dump_open(struct inode *inode, struct file *file) | |
789 | { | |
790 | struct ath10k *ar = inode->i_private; | |
791 | struct ath10k_dump_file_data *dump; | |
792 | ||
793 | dump = ath10k_build_dump_file(ar); | |
794 | if (!dump) | |
795 | return -ENODATA; | |
796 | ||
797 | file->private_data = dump; | |
798 | ||
799 | return 0; | |
800 | } | |
801 | ||
802 | static ssize_t ath10k_fw_crash_dump_read(struct file *file, | |
803 | char __user *user_buf, | |
804 | size_t count, loff_t *ppos) | |
805 | { | |
806 | struct ath10k_dump_file_data *dump_file = file->private_data; | |
807 | ||
808 | return simple_read_from_buffer(user_buf, count, ppos, | |
809 | dump_file, | |
810 | le32_to_cpu(dump_file->len)); | |
811 | } | |
812 | ||
813 | static int ath10k_fw_crash_dump_release(struct inode *inode, | |
814 | struct file *file) | |
815 | { | |
816 | vfree(file->private_data); | |
817 | ||
818 | return 0; | |
819 | } | |
820 | ||
821 | static const struct file_operations fops_fw_crash_dump = { | |
822 | .open = ath10k_fw_crash_dump_open, | |
823 | .read = ath10k_fw_crash_dump_read, | |
824 | .release = ath10k_fw_crash_dump_release, | |
825 | .owner = THIS_MODULE, | |
826 | .llseek = default_llseek, | |
827 | }; | |
828 | ||
a3d135e5 KV |
829 | static int ath10k_debug_htt_stats_req(struct ath10k *ar) |
830 | { | |
831 | u64 cookie; | |
832 | int ret; | |
833 | ||
834 | lockdep_assert_held(&ar->conf_mutex); | |
835 | ||
836 | if (ar->debug.htt_stats_mask == 0) | |
837 | /* htt stats are disabled */ | |
838 | return 0; | |
839 | ||
840 | if (ar->state != ATH10K_STATE_ON) | |
841 | return 0; | |
842 | ||
843 | cookie = get_jiffies_64(); | |
844 | ||
845 | ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask, | |
846 | cookie); | |
847 | if (ret) { | |
7aa7a72a | 848 | ath10k_warn(ar, "failed to send htt stats request: %d\n", ret); |
a3d135e5 KV |
849 | return ret; |
850 | } | |
851 | ||
852 | queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork, | |
853 | msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL)); | |
854 | ||
855 | return 0; | |
856 | } | |
857 | ||
858 | static void ath10k_debug_htt_stats_dwork(struct work_struct *work) | |
859 | { | |
860 | struct ath10k *ar = container_of(work, struct ath10k, | |
861 | debug.htt_stats_dwork.work); | |
862 | ||
863 | mutex_lock(&ar->conf_mutex); | |
864 | ||
865 | ath10k_debug_htt_stats_req(ar); | |
866 | ||
867 | mutex_unlock(&ar->conf_mutex); | |
868 | } | |
869 | ||
870 | static ssize_t ath10k_read_htt_stats_mask(struct file *file, | |
5b07e07f KV |
871 | char __user *user_buf, |
872 | size_t count, loff_t *ppos) | |
a3d135e5 KV |
873 | { |
874 | struct ath10k *ar = file->private_data; | |
875 | char buf[32]; | |
876 | unsigned int len; | |
877 | ||
878 | len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask); | |
879 | ||
880 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
881 | } | |
882 | ||
883 | static ssize_t ath10k_write_htt_stats_mask(struct file *file, | |
5b07e07f KV |
884 | const char __user *user_buf, |
885 | size_t count, loff_t *ppos) | |
a3d135e5 KV |
886 | { |
887 | struct ath10k *ar = file->private_data; | |
888 | unsigned long mask; | |
889 | int ret; | |
890 | ||
891 | ret = kstrtoul_from_user(user_buf, count, 0, &mask); | |
892 | if (ret) | |
893 | return ret; | |
894 | ||
895 | /* max 8 bit masks (for now) */ | |
896 | if (mask > 0xff) | |
897 | return -E2BIG; | |
898 | ||
899 | mutex_lock(&ar->conf_mutex); | |
900 | ||
901 | ar->debug.htt_stats_mask = mask; | |
902 | ||
903 | ret = ath10k_debug_htt_stats_req(ar); | |
904 | if (ret) | |
905 | goto out; | |
906 | ||
907 | ret = count; | |
908 | ||
909 | out: | |
910 | mutex_unlock(&ar->conf_mutex); | |
911 | ||
912 | return ret; | |
913 | } | |
914 | ||
915 | static const struct file_operations fops_htt_stats_mask = { | |
916 | .read = ath10k_read_htt_stats_mask, | |
917 | .write = ath10k_write_htt_stats_mask, | |
918 | .open = simple_open, | |
919 | .owner = THIS_MODULE, | |
920 | .llseek = default_llseek, | |
921 | }; | |
922 | ||
d385623a JD |
923 | static ssize_t ath10k_read_htt_max_amsdu_ampdu(struct file *file, |
924 | char __user *user_buf, | |
925 | size_t count, loff_t *ppos) | |
926 | { | |
927 | struct ath10k *ar = file->private_data; | |
928 | char buf[64]; | |
929 | u8 amsdu = 3, ampdu = 64; | |
930 | unsigned int len; | |
931 | ||
932 | mutex_lock(&ar->conf_mutex); | |
933 | ||
934 | if (ar->debug.htt_max_amsdu) | |
935 | amsdu = ar->debug.htt_max_amsdu; | |
936 | ||
937 | if (ar->debug.htt_max_ampdu) | |
938 | ampdu = ar->debug.htt_max_ampdu; | |
939 | ||
940 | mutex_unlock(&ar->conf_mutex); | |
941 | ||
942 | len = scnprintf(buf, sizeof(buf), "%u %u\n", amsdu, ampdu); | |
943 | ||
944 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
945 | } | |
946 | ||
947 | static ssize_t ath10k_write_htt_max_amsdu_ampdu(struct file *file, | |
948 | const char __user *user_buf, | |
949 | size_t count, loff_t *ppos) | |
950 | { | |
951 | struct ath10k *ar = file->private_data; | |
952 | int res; | |
953 | char buf[64]; | |
954 | unsigned int amsdu, ampdu; | |
955 | ||
956 | simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); | |
957 | ||
958 | /* make sure that buf is null terminated */ | |
959 | buf[sizeof(buf) - 1] = 0; | |
960 | ||
961 | res = sscanf(buf, "%u %u", &amsdu, &du); | |
962 | ||
963 | if (res != 2) | |
964 | return -EINVAL; | |
965 | ||
966 | mutex_lock(&ar->conf_mutex); | |
967 | ||
968 | res = ath10k_htt_h2t_aggr_cfg_msg(&ar->htt, ampdu, amsdu); | |
969 | if (res) | |
970 | goto out; | |
971 | ||
972 | res = count; | |
973 | ar->debug.htt_max_amsdu = amsdu; | |
974 | ar->debug.htt_max_ampdu = ampdu; | |
975 | ||
976 | out: | |
977 | mutex_unlock(&ar->conf_mutex); | |
978 | return res; | |
979 | } | |
980 | ||
981 | static const struct file_operations fops_htt_max_amsdu_ampdu = { | |
982 | .read = ath10k_read_htt_max_amsdu_ampdu, | |
983 | .write = ath10k_write_htt_max_amsdu_ampdu, | |
984 | .open = simple_open, | |
985 | .owner = THIS_MODULE, | |
986 | .llseek = default_llseek, | |
987 | }; | |
988 | ||
f118a3e5 | 989 | static ssize_t ath10k_read_fw_dbglog(struct file *file, |
5b07e07f KV |
990 | char __user *user_buf, |
991 | size_t count, loff_t *ppos) | |
f118a3e5 KV |
992 | { |
993 | struct ath10k *ar = file->private_data; | |
994 | unsigned int len; | |
995 | char buf[32]; | |
996 | ||
997 | len = scnprintf(buf, sizeof(buf), "0x%08x\n", | |
998 | ar->debug.fw_dbglog_mask); | |
999 | ||
1000 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1001 | } | |
1002 | ||
1003 | static ssize_t ath10k_write_fw_dbglog(struct file *file, | |
1004 | const char __user *user_buf, | |
1005 | size_t count, loff_t *ppos) | |
1006 | { | |
1007 | struct ath10k *ar = file->private_data; | |
1008 | unsigned long mask; | |
1009 | int ret; | |
1010 | ||
1011 | ret = kstrtoul_from_user(user_buf, count, 0, &mask); | |
1012 | if (ret) | |
1013 | return ret; | |
1014 | ||
1015 | mutex_lock(&ar->conf_mutex); | |
1016 | ||
1017 | ar->debug.fw_dbglog_mask = mask; | |
1018 | ||
1019 | if (ar->state == ATH10K_STATE_ON) { | |
1020 | ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask); | |
1021 | if (ret) { | |
7aa7a72a | 1022 | ath10k_warn(ar, "dbglog cfg failed from debugfs: %d\n", |
f118a3e5 KV |
1023 | ret); |
1024 | goto exit; | |
1025 | } | |
1026 | } | |
1027 | ||
1028 | ret = count; | |
1029 | ||
1030 | exit: | |
1031 | mutex_unlock(&ar->conf_mutex); | |
1032 | ||
1033 | return ret; | |
1034 | } | |
1035 | ||
1036 | static const struct file_operations fops_fw_dbglog = { | |
1037 | .read = ath10k_read_fw_dbglog, | |
1038 | .write = ath10k_write_fw_dbglog, | |
1039 | .open = simple_open, | |
1040 | .owner = THIS_MODULE, | |
1041 | .llseek = default_llseek, | |
1042 | }; | |
1043 | ||
db66ea04 KV |
1044 | int ath10k_debug_start(struct ath10k *ar) |
1045 | { | |
a3d135e5 KV |
1046 | int ret; |
1047 | ||
60631c5c KV |
1048 | lockdep_assert_held(&ar->conf_mutex); |
1049 | ||
a3d135e5 KV |
1050 | ret = ath10k_debug_htt_stats_req(ar); |
1051 | if (ret) | |
1052 | /* continue normally anyway, this isn't serious */ | |
7aa7a72a MK |
1053 | ath10k_warn(ar, "failed to start htt stats workqueue: %d\n", |
1054 | ret); | |
a3d135e5 | 1055 | |
f118a3e5 KV |
1056 | if (ar->debug.fw_dbglog_mask) { |
1057 | ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask); | |
1058 | if (ret) | |
1059 | /* not serious */ | |
7aa7a72a | 1060 | ath10k_warn(ar, "failed to enable dbglog during start: %d", |
f118a3e5 KV |
1061 | ret); |
1062 | } | |
1063 | ||
db66ea04 KV |
1064 | return 0; |
1065 | } | |
1066 | ||
1067 | void ath10k_debug_stop(struct ath10k *ar) | |
1068 | { | |
60631c5c KV |
1069 | lockdep_assert_held(&ar->conf_mutex); |
1070 | ||
1071 | /* Must not use _sync to avoid deadlock, we do that in | |
1072 | * ath10k_debug_destroy(). The check for htt_stats_mask is to avoid | |
1073 | * warning from del_timer(). */ | |
1074 | if (ar->debug.htt_stats_mask != 0) | |
1075 | cancel_delayed_work(&ar->debug.htt_stats_dwork); | |
d385623a JD |
1076 | |
1077 | ar->debug.htt_max_amsdu = 0; | |
1078 | ar->debug.htt_max_ampdu = 0; | |
db66ea04 KV |
1079 | } |
1080 | ||
9702c686 JD |
1081 | static ssize_t ath10k_write_simulate_radar(struct file *file, |
1082 | const char __user *user_buf, | |
1083 | size_t count, loff_t *ppos) | |
1084 | { | |
1085 | struct ath10k *ar = file->private_data; | |
1086 | ||
1087 | ieee80211_radar_detected(ar->hw); | |
1088 | ||
1089 | return count; | |
1090 | } | |
1091 | ||
1092 | static const struct file_operations fops_simulate_radar = { | |
1093 | .write = ath10k_write_simulate_radar, | |
1094 | .open = simple_open, | |
1095 | .owner = THIS_MODULE, | |
1096 | .llseek = default_llseek, | |
1097 | }; | |
1098 | ||
1099 | #define ATH10K_DFS_STAT(s, p) (\ | |
1100 | len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \ | |
1101 | ar->debug.dfs_stats.p)) | |
1102 | ||
1103 | #define ATH10K_DFS_POOL_STAT(s, p) (\ | |
1104 | len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \ | |
1105 | ar->debug.dfs_pool_stats.p)) | |
1106 | ||
1107 | static ssize_t ath10k_read_dfs_stats(struct file *file, char __user *user_buf, | |
1108 | size_t count, loff_t *ppos) | |
1109 | { | |
1110 | int retval = 0, len = 0; | |
1111 | const int size = 8000; | |
1112 | struct ath10k *ar = file->private_data; | |
1113 | char *buf; | |
1114 | ||
1115 | buf = kzalloc(size, GFP_KERNEL); | |
1116 | if (buf == NULL) | |
1117 | return -ENOMEM; | |
1118 | ||
1119 | if (!ar->dfs_detector) { | |
1120 | len += scnprintf(buf + len, size - len, "DFS not enabled\n"); | |
1121 | goto exit; | |
1122 | } | |
1123 | ||
1124 | ar->debug.dfs_pool_stats = | |
1125 | ar->dfs_detector->get_stats(ar->dfs_detector); | |
1126 | ||
1127 | len += scnprintf(buf + len, size - len, "Pulse detector statistics:\n"); | |
1128 | ||
1129 | ATH10K_DFS_STAT("reported phy errors", phy_errors); | |
1130 | ATH10K_DFS_STAT("pulse events reported", pulses_total); | |
1131 | ATH10K_DFS_STAT("DFS pulses detected", pulses_detected); | |
1132 | ATH10K_DFS_STAT("DFS pulses discarded", pulses_discarded); | |
1133 | ATH10K_DFS_STAT("Radars detected", radar_detected); | |
1134 | ||
1135 | len += scnprintf(buf + len, size - len, "Global Pool statistics:\n"); | |
1136 | ATH10K_DFS_POOL_STAT("Pool references", pool_reference); | |
1137 | ATH10K_DFS_POOL_STAT("Pulses allocated", pulse_allocated); | |
1138 | ATH10K_DFS_POOL_STAT("Pulses alloc error", pulse_alloc_error); | |
1139 | ATH10K_DFS_POOL_STAT("Pulses in use", pulse_used); | |
1140 | ATH10K_DFS_POOL_STAT("Seqs. allocated", pseq_allocated); | |
1141 | ATH10K_DFS_POOL_STAT("Seqs. alloc error", pseq_alloc_error); | |
1142 | ATH10K_DFS_POOL_STAT("Seqs. in use", pseq_used); | |
1143 | ||
1144 | exit: | |
1145 | if (len > size) | |
1146 | len = size; | |
1147 | ||
1148 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
1149 | kfree(buf); | |
1150 | ||
1151 | return retval; | |
1152 | } | |
1153 | ||
1154 | static const struct file_operations fops_dfs_stats = { | |
1155 | .read = ath10k_read_dfs_stats, | |
1156 | .open = simple_open, | |
1157 | .owner = THIS_MODULE, | |
1158 | .llseek = default_llseek, | |
1159 | }; | |
1160 | ||
5e3dd157 KV |
1161 | int ath10k_debug_create(struct ath10k *ar) |
1162 | { | |
384914b2 | 1163 | ar->debug.fw_crash_data = vzalloc(sizeof(*ar->debug.fw_crash_data)); |
e13cf7a3 MK |
1164 | if (!ar->debug.fw_crash_data) |
1165 | return -ENOMEM; | |
384914b2 | 1166 | |
e13cf7a3 MK |
1167 | return 0; |
1168 | } | |
1169 | ||
1170 | void ath10k_debug_destroy(struct ath10k *ar) | |
1171 | { | |
1172 | vfree(ar->debug.fw_crash_data); | |
1173 | ar->debug.fw_crash_data = NULL; | |
1174 | } | |
1175 | ||
1176 | int ath10k_debug_register(struct ath10k *ar) | |
1177 | { | |
5e3dd157 KV |
1178 | ar->debug.debugfs_phy = debugfs_create_dir("ath10k", |
1179 | ar->hw->wiphy->debugfsdir); | |
adb43b24 MK |
1180 | if (IS_ERR_OR_NULL(ar->debug.debugfs_phy)) { |
1181 | if (IS_ERR(ar->debug.debugfs_phy)) | |
1182 | return PTR_ERR(ar->debug.debugfs_phy); | |
d8bb26b9 KV |
1183 | |
1184 | return -ENOMEM; | |
adb43b24 | 1185 | } |
5e3dd157 | 1186 | |
a3d135e5 KV |
1187 | INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork, |
1188 | ath10k_debug_htt_stats_dwork); | |
1189 | ||
5e3dd157 KV |
1190 | init_completion(&ar->debug.event_stats_compl); |
1191 | ||
1192 | debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar, | |
1193 | &fops_fw_stats); | |
1194 | ||
1195 | debugfs_create_file("wmi_services", S_IRUSR, ar->debug.debugfs_phy, ar, | |
1196 | &fops_wmi_services); | |
1197 | ||
278c4a85 MK |
1198 | debugfs_create_file("simulate_fw_crash", S_IRUSR, ar->debug.debugfs_phy, |
1199 | ar, &fops_simulate_fw_crash); | |
1200 | ||
384914b2 BG |
1201 | debugfs_create_file("fw_crash_dump", S_IRUSR, ar->debug.debugfs_phy, |
1202 | ar, &fops_fw_crash_dump); | |
1203 | ||
763b8cd3 KV |
1204 | debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy, |
1205 | ar, &fops_chip_id); | |
1206 | ||
a3d135e5 KV |
1207 | debugfs_create_file("htt_stats_mask", S_IRUSR, ar->debug.debugfs_phy, |
1208 | ar, &fops_htt_stats_mask); | |
1209 | ||
d385623a JD |
1210 | debugfs_create_file("htt_max_amsdu_ampdu", S_IRUSR | S_IWUSR, |
1211 | ar->debug.debugfs_phy, ar, | |
1212 | &fops_htt_max_amsdu_ampdu); | |
1213 | ||
f118a3e5 KV |
1214 | debugfs_create_file("fw_dbglog", S_IRUSR, ar->debug.debugfs_phy, |
1215 | ar, &fops_fw_dbglog); | |
1216 | ||
9702c686 JD |
1217 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) { |
1218 | debugfs_create_file("dfs_simulate_radar", S_IWUSR, | |
1219 | ar->debug.debugfs_phy, ar, | |
1220 | &fops_simulate_radar); | |
1221 | ||
7d9b40b4 MP |
1222 | debugfs_create_bool("dfs_block_radar_events", S_IWUSR, |
1223 | ar->debug.debugfs_phy, | |
1224 | &ar->dfs_block_radar_events); | |
1225 | ||
9702c686 JD |
1226 | debugfs_create_file("dfs_stats", S_IRUSR, |
1227 | ar->debug.debugfs_phy, ar, | |
1228 | &fops_dfs_stats); | |
1229 | } | |
1230 | ||
5e3dd157 KV |
1231 | return 0; |
1232 | } | |
db66ea04 | 1233 | |
e13cf7a3 | 1234 | void ath10k_debug_unregister(struct ath10k *ar) |
60631c5c KV |
1235 | { |
1236 | cancel_delayed_work_sync(&ar->debug.htt_stats_dwork); | |
1237 | } | |
1238 | ||
5e3dd157 KV |
1239 | #endif /* CONFIG_ATH10K_DEBUGFS */ |
1240 | ||
1241 | #ifdef CONFIG_ATH10K_DEBUG | |
7aa7a72a MK |
1242 | void ath10k_dbg(struct ath10k *ar, enum ath10k_debug_mask mask, |
1243 | const char *fmt, ...) | |
5e3dd157 KV |
1244 | { |
1245 | struct va_format vaf; | |
1246 | va_list args; | |
1247 | ||
1248 | va_start(args, fmt); | |
1249 | ||
1250 | vaf.fmt = fmt; | |
1251 | vaf.va = &args; | |
1252 | ||
1253 | if (ath10k_debug_mask & mask) | |
7aa7a72a | 1254 | dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf); |
5e3dd157 | 1255 | |
d35a6c18 | 1256 | trace_ath10k_log_dbg(ar, mask, &vaf); |
5e3dd157 KV |
1257 | |
1258 | va_end(args); | |
1259 | } | |
1260 | EXPORT_SYMBOL(ath10k_dbg); | |
1261 | ||
7aa7a72a MK |
1262 | void ath10k_dbg_dump(struct ath10k *ar, |
1263 | enum ath10k_debug_mask mask, | |
5e3dd157 KV |
1264 | const char *msg, const char *prefix, |
1265 | const void *buf, size_t len) | |
1266 | { | |
1267 | if (ath10k_debug_mask & mask) { | |
1268 | if (msg) | |
7aa7a72a | 1269 | ath10k_dbg(ar, mask, "%s\n", msg); |
5e3dd157 KV |
1270 | |
1271 | print_hex_dump_bytes(prefix, DUMP_PREFIX_OFFSET, buf, len); | |
1272 | } | |
1273 | ||
1274 | /* tracing code doesn't like null strings :/ */ | |
d35a6c18 | 1275 | trace_ath10k_log_dbg_dump(ar, msg ? msg : "", prefix ? prefix : "", |
5e3dd157 KV |
1276 | buf, len); |
1277 | } | |
1278 | EXPORT_SYMBOL(ath10k_dbg_dump); | |
1279 | ||
1280 | #endif /* CONFIG_ATH10K_DEBUG */ |