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> | |
20 | ||
21 | #include "core.h" | |
22 | #include "debug.h" | |
23 | ||
a3d135e5 KV |
24 | /* ms */ |
25 | #define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000 | |
26 | ||
5e3dd157 KV |
27 | static int ath10k_printk(const char *level, const char *fmt, ...) |
28 | { | |
29 | struct va_format vaf; | |
30 | va_list args; | |
31 | int rtn; | |
32 | ||
33 | va_start(args, fmt); | |
34 | ||
35 | vaf.fmt = fmt; | |
36 | vaf.va = &args; | |
37 | ||
38 | rtn = printk("%sath10k: %pV", level, &vaf); | |
39 | ||
40 | va_end(args); | |
41 | ||
42 | return rtn; | |
43 | } | |
44 | ||
45 | int ath10k_info(const char *fmt, ...) | |
46 | { | |
47 | struct va_format vaf = { | |
48 | .fmt = fmt, | |
49 | }; | |
50 | va_list args; | |
51 | int ret; | |
52 | ||
53 | va_start(args, fmt); | |
54 | vaf.va = &args; | |
55 | ret = ath10k_printk(KERN_INFO, "%pV", &vaf); | |
56 | trace_ath10k_log_info(&vaf); | |
57 | va_end(args); | |
58 | ||
59 | return ret; | |
60 | } | |
61 | EXPORT_SYMBOL(ath10k_info); | |
62 | ||
63 | int ath10k_err(const char *fmt, ...) | |
64 | { | |
65 | struct va_format vaf = { | |
66 | .fmt = fmt, | |
67 | }; | |
68 | va_list args; | |
69 | int ret; | |
70 | ||
71 | va_start(args, fmt); | |
72 | vaf.va = &args; | |
73 | ret = ath10k_printk(KERN_ERR, "%pV", &vaf); | |
74 | trace_ath10k_log_err(&vaf); | |
75 | va_end(args); | |
76 | ||
77 | return ret; | |
78 | } | |
79 | EXPORT_SYMBOL(ath10k_err); | |
80 | ||
81 | int ath10k_warn(const char *fmt, ...) | |
82 | { | |
83 | struct va_format vaf = { | |
84 | .fmt = fmt, | |
85 | }; | |
86 | va_list args; | |
87 | int ret = 0; | |
88 | ||
89 | va_start(args, fmt); | |
90 | vaf.va = &args; | |
91 | ||
92 | if (net_ratelimit()) | |
93 | ret = ath10k_printk(KERN_WARNING, "%pV", &vaf); | |
94 | ||
95 | trace_ath10k_log_warn(&vaf); | |
96 | ||
97 | va_end(args); | |
98 | ||
99 | return ret; | |
100 | } | |
101 | EXPORT_SYMBOL(ath10k_warn); | |
102 | ||
103 | #ifdef CONFIG_ATH10K_DEBUGFS | |
104 | ||
105 | void ath10k_debug_read_service_map(struct ath10k *ar, | |
106 | void *service_map, | |
107 | size_t map_size) | |
108 | { | |
109 | memcpy(ar->debug.wmi_service_bitmap, service_map, map_size); | |
110 | } | |
111 | ||
112 | static ssize_t ath10k_read_wmi_services(struct file *file, | |
113 | char __user *user_buf, | |
114 | size_t count, loff_t *ppos) | |
115 | { | |
116 | struct ath10k *ar = file->private_data; | |
117 | char *buf; | |
118 | unsigned int len = 0, buf_len = 1500; | |
119 | const char *status; | |
120 | ssize_t ret_cnt; | |
121 | int i; | |
122 | ||
123 | buf = kzalloc(buf_len, GFP_KERNEL); | |
124 | if (!buf) | |
125 | return -ENOMEM; | |
126 | ||
127 | mutex_lock(&ar->conf_mutex); | |
128 | ||
129 | if (len > buf_len) | |
130 | len = buf_len; | |
131 | ||
132 | for (i = 0; i < WMI_SERVICE_LAST; i++) { | |
133 | if (WMI_SERVICE_IS_ENABLED(ar->debug.wmi_service_bitmap, i)) | |
134 | status = "enabled"; | |
135 | else | |
136 | status = "disabled"; | |
137 | ||
138 | len += scnprintf(buf + len, buf_len - len, | |
139 | "0x%02x - %20s - %s\n", | |
140 | i, wmi_service_name(i), status); | |
141 | } | |
142 | ||
143 | ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
144 | ||
145 | mutex_unlock(&ar->conf_mutex); | |
146 | ||
147 | kfree(buf); | |
148 | return ret_cnt; | |
149 | } | |
150 | ||
151 | static const struct file_operations fops_wmi_services = { | |
152 | .read = ath10k_read_wmi_services, | |
153 | .open = simple_open, | |
154 | .owner = THIS_MODULE, | |
155 | .llseek = default_llseek, | |
156 | }; | |
157 | ||
158 | void ath10k_debug_read_target_stats(struct ath10k *ar, | |
159 | struct wmi_stats_event *ev) | |
160 | { | |
161 | u8 *tmp = ev->data; | |
162 | struct ath10k_target_stats *stats; | |
163 | int num_pdev_stats, num_vdev_stats, num_peer_stats; | |
164 | struct wmi_pdev_stats *ps; | |
165 | int i; | |
166 | ||
87571bf0 | 167 | spin_lock_bh(&ar->data_lock); |
5e3dd157 KV |
168 | |
169 | stats = &ar->debug.target_stats; | |
170 | ||
171 | num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats); /* 0 or 1 */ | |
172 | num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats); /* 0 or max vdevs */ | |
173 | num_peer_stats = __le32_to_cpu(ev->num_peer_stats); /* 0 or max peers */ | |
174 | ||
175 | if (num_pdev_stats) { | |
176 | ps = (struct wmi_pdev_stats *)tmp; | |
177 | ||
178 | stats->ch_noise_floor = __le32_to_cpu(ps->chan_nf); | |
179 | stats->tx_frame_count = __le32_to_cpu(ps->tx_frame_count); | |
180 | stats->rx_frame_count = __le32_to_cpu(ps->rx_frame_count); | |
181 | stats->rx_clear_count = __le32_to_cpu(ps->rx_clear_count); | |
182 | stats->cycle_count = __le32_to_cpu(ps->cycle_count); | |
183 | stats->phy_err_count = __le32_to_cpu(ps->phy_err_count); | |
184 | stats->chan_tx_power = __le32_to_cpu(ps->chan_tx_pwr); | |
185 | ||
186 | stats->comp_queued = __le32_to_cpu(ps->wal.tx.comp_queued); | |
187 | stats->comp_delivered = | |
188 | __le32_to_cpu(ps->wal.tx.comp_delivered); | |
189 | stats->msdu_enqued = __le32_to_cpu(ps->wal.tx.msdu_enqued); | |
190 | stats->mpdu_enqued = __le32_to_cpu(ps->wal.tx.mpdu_enqued); | |
191 | stats->wmm_drop = __le32_to_cpu(ps->wal.tx.wmm_drop); | |
192 | stats->local_enqued = __le32_to_cpu(ps->wal.tx.local_enqued); | |
193 | stats->local_freed = __le32_to_cpu(ps->wal.tx.local_freed); | |
194 | stats->hw_queued = __le32_to_cpu(ps->wal.tx.hw_queued); | |
195 | stats->hw_reaped = __le32_to_cpu(ps->wal.tx.hw_reaped); | |
196 | stats->underrun = __le32_to_cpu(ps->wal.tx.underrun); | |
197 | stats->tx_abort = __le32_to_cpu(ps->wal.tx.tx_abort); | |
198 | stats->mpdus_requed = __le32_to_cpu(ps->wal.tx.mpdus_requed); | |
199 | stats->tx_ko = __le32_to_cpu(ps->wal.tx.tx_ko); | |
200 | stats->data_rc = __le32_to_cpu(ps->wal.tx.data_rc); | |
201 | stats->self_triggers = __le32_to_cpu(ps->wal.tx.self_triggers); | |
202 | stats->sw_retry_failure = | |
203 | __le32_to_cpu(ps->wal.tx.sw_retry_failure); | |
204 | stats->illgl_rate_phy_err = | |
205 | __le32_to_cpu(ps->wal.tx.illgl_rate_phy_err); | |
206 | stats->pdev_cont_xretry = | |
207 | __le32_to_cpu(ps->wal.tx.pdev_cont_xretry); | |
208 | stats->pdev_tx_timeout = | |
209 | __le32_to_cpu(ps->wal.tx.pdev_tx_timeout); | |
210 | stats->pdev_resets = __le32_to_cpu(ps->wal.tx.pdev_resets); | |
211 | stats->phy_underrun = __le32_to_cpu(ps->wal.tx.phy_underrun); | |
212 | stats->txop_ovf = __le32_to_cpu(ps->wal.tx.txop_ovf); | |
213 | ||
214 | stats->mid_ppdu_route_change = | |
215 | __le32_to_cpu(ps->wal.rx.mid_ppdu_route_change); | |
216 | stats->status_rcvd = __le32_to_cpu(ps->wal.rx.status_rcvd); | |
217 | stats->r0_frags = __le32_to_cpu(ps->wal.rx.r0_frags); | |
218 | stats->r1_frags = __le32_to_cpu(ps->wal.rx.r1_frags); | |
219 | stats->r2_frags = __le32_to_cpu(ps->wal.rx.r2_frags); | |
220 | stats->r3_frags = __le32_to_cpu(ps->wal.rx.r3_frags); | |
221 | stats->htt_msdus = __le32_to_cpu(ps->wal.rx.htt_msdus); | |
222 | stats->htt_mpdus = __le32_to_cpu(ps->wal.rx.htt_mpdus); | |
223 | stats->loc_msdus = __le32_to_cpu(ps->wal.rx.loc_msdus); | |
224 | stats->loc_mpdus = __le32_to_cpu(ps->wal.rx.loc_mpdus); | |
225 | stats->oversize_amsdu = | |
226 | __le32_to_cpu(ps->wal.rx.oversize_amsdu); | |
227 | stats->phy_errs = __le32_to_cpu(ps->wal.rx.phy_errs); | |
228 | stats->phy_err_drop = __le32_to_cpu(ps->wal.rx.phy_err_drop); | |
229 | stats->mpdu_errs = __le32_to_cpu(ps->wal.rx.mpdu_errs); | |
230 | ||
231 | tmp += sizeof(struct wmi_pdev_stats); | |
232 | } | |
233 | ||
234 | /* 0 or max vdevs */ | |
235 | /* Currently firmware does not support VDEV stats */ | |
236 | if (num_vdev_stats) { | |
237 | struct wmi_vdev_stats *vdev_stats; | |
238 | ||
239 | for (i = 0; i < num_vdev_stats; i++) { | |
240 | vdev_stats = (struct wmi_vdev_stats *)tmp; | |
241 | tmp += sizeof(struct wmi_vdev_stats); | |
242 | } | |
243 | } | |
244 | ||
245 | if (num_peer_stats) { | |
246 | struct wmi_peer_stats *peer_stats; | |
247 | struct ath10k_peer_stat *s; | |
248 | ||
249 | stats->peers = num_peer_stats; | |
250 | ||
251 | for (i = 0; i < num_peer_stats; i++) { | |
252 | peer_stats = (struct wmi_peer_stats *)tmp; | |
253 | s = &stats->peer_stat[i]; | |
254 | ||
255 | WMI_MAC_ADDR_TO_CHAR_ARRAY(&peer_stats->peer_macaddr, | |
256 | s->peer_macaddr); | |
257 | s->peer_rssi = __le32_to_cpu(peer_stats->peer_rssi); | |
258 | s->peer_tx_rate = | |
259 | __le32_to_cpu(peer_stats->peer_tx_rate); | |
260 | ||
261 | tmp += sizeof(struct wmi_peer_stats); | |
262 | } | |
263 | } | |
264 | ||
87571bf0 | 265 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
266 | complete(&ar->debug.event_stats_compl); |
267 | } | |
268 | ||
269 | static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf, | |
270 | size_t count, loff_t *ppos) | |
271 | { | |
272 | struct ath10k *ar = file->private_data; | |
273 | struct ath10k_target_stats *fw_stats; | |
87571bf0 | 274 | char *buf = NULL; |
5e3dd157 | 275 | unsigned int len = 0, buf_len = 2500; |
87571bf0 | 276 | ssize_t ret_cnt = 0; |
5e3dd157 KV |
277 | long left; |
278 | int i; | |
279 | int ret; | |
280 | ||
281 | fw_stats = &ar->debug.target_stats; | |
282 | ||
87571bf0 MK |
283 | mutex_lock(&ar->conf_mutex); |
284 | ||
285 | if (ar->state != ATH10K_STATE_ON) | |
286 | goto exit; | |
287 | ||
5e3dd157 KV |
288 | buf = kzalloc(buf_len, GFP_KERNEL); |
289 | if (!buf) | |
87571bf0 | 290 | goto exit; |
5e3dd157 KV |
291 | |
292 | ret = ath10k_wmi_request_stats(ar, WMI_REQUEST_PEER_STAT); | |
293 | if (ret) { | |
294 | ath10k_warn("could not request stats (%d)\n", ret); | |
87571bf0 | 295 | goto exit; |
5e3dd157 KV |
296 | } |
297 | ||
298 | left = wait_for_completion_timeout(&ar->debug.event_stats_compl, 1*HZ); | |
87571bf0 MK |
299 | if (left <= 0) |
300 | goto exit; | |
5e3dd157 | 301 | |
87571bf0 | 302 | spin_lock_bh(&ar->data_lock); |
5e3dd157 KV |
303 | len += scnprintf(buf + len, buf_len - len, "\n"); |
304 | len += scnprintf(buf + len, buf_len - len, "%30s\n", | |
305 | "ath10k PDEV stats"); | |
306 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", | |
307 | "================="); | |
308 | ||
309 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
310 | "Channel noise floor", fw_stats->ch_noise_floor); | |
311 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
312 | "Channel TX power", fw_stats->chan_tx_power); | |
313 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
314 | "TX frame count", fw_stats->tx_frame_count); | |
315 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
316 | "RX frame count", fw_stats->rx_frame_count); | |
317 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
318 | "RX clear count", fw_stats->rx_clear_count); | |
319 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
320 | "Cycle count", fw_stats->cycle_count); | |
321 | len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", | |
322 | "PHY error count", fw_stats->phy_err_count); | |
323 | ||
324 | len += scnprintf(buf + len, buf_len - len, "\n"); | |
325 | len += scnprintf(buf + len, buf_len - len, "%30s\n", | |
326 | "ath10k PDEV TX stats"); | |
327 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", | |
328 | "================="); | |
329 | ||
330 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
331 | "HTT cookies queued", fw_stats->comp_queued); | |
332 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
333 | "HTT cookies disp.", fw_stats->comp_delivered); | |
334 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
335 | "MSDU queued", fw_stats->msdu_enqued); | |
336 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
337 | "MPDU queued", fw_stats->mpdu_enqued); | |
338 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
339 | "MSDUs dropped", fw_stats->wmm_drop); | |
340 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
341 | "Local enqued", fw_stats->local_enqued); | |
342 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
343 | "Local freed", fw_stats->local_freed); | |
344 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
345 | "HW queued", fw_stats->hw_queued); | |
346 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
347 | "PPDUs reaped", fw_stats->hw_reaped); | |
348 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
349 | "Num underruns", fw_stats->underrun); | |
350 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
351 | "PPDUs cleaned", fw_stats->tx_abort); | |
352 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
353 | "MPDUs requed", fw_stats->mpdus_requed); | |
354 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
355 | "Excessive retries", fw_stats->tx_ko); | |
356 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
357 | "HW rate", fw_stats->data_rc); | |
358 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
359 | "Sched self tiggers", fw_stats->self_triggers); | |
360 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
361 | "Dropped due to SW retries", | |
362 | fw_stats->sw_retry_failure); | |
363 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
364 | "Illegal rate phy errors", | |
365 | fw_stats->illgl_rate_phy_err); | |
366 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
367 | "Pdev continous xretry", fw_stats->pdev_cont_xretry); | |
368 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
369 | "TX timeout", fw_stats->pdev_tx_timeout); | |
370 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
371 | "PDEV resets", fw_stats->pdev_resets); | |
372 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
373 | "PHY underrun", fw_stats->phy_underrun); | |
374 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
375 | "MPDU is more than txop limit", fw_stats->txop_ovf); | |
376 | ||
377 | len += scnprintf(buf + len, buf_len - len, "\n"); | |
378 | len += scnprintf(buf + len, buf_len - len, "%30s\n", | |
379 | "ath10k PDEV RX stats"); | |
380 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", | |
381 | "================="); | |
382 | ||
383 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
384 | "Mid PPDU route change", | |
385 | fw_stats->mid_ppdu_route_change); | |
386 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
387 | "Tot. number of statuses", fw_stats->status_rcvd); | |
388 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
389 | "Extra frags on rings 0", fw_stats->r0_frags); | |
390 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
391 | "Extra frags on rings 1", fw_stats->r1_frags); | |
392 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
393 | "Extra frags on rings 2", fw_stats->r2_frags); | |
394 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
395 | "Extra frags on rings 3", fw_stats->r3_frags); | |
396 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
397 | "MSDUs delivered to HTT", fw_stats->htt_msdus); | |
398 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
399 | "MPDUs delivered to HTT", fw_stats->htt_mpdus); | |
400 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
401 | "MSDUs delivered to stack", fw_stats->loc_msdus); | |
402 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
403 | "MPDUs delivered to stack", fw_stats->loc_mpdus); | |
404 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
405 | "Oversized AMSUs", fw_stats->oversize_amsdu); | |
406 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
407 | "PHY errors", fw_stats->phy_errs); | |
408 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
409 | "PHY errors drops", fw_stats->phy_err_drop); | |
410 | len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", | |
411 | "MPDU errors (FCS, MIC, ENC)", fw_stats->mpdu_errs); | |
412 | ||
413 | len += scnprintf(buf + len, buf_len - len, "\n"); | |
414 | len += scnprintf(buf + len, buf_len - len, "%30s\n", | |
415 | "ath10k PEER stats"); | |
416 | len += scnprintf(buf + len, buf_len - len, "%30s\n\n", | |
417 | "================="); | |
418 | ||
419 | for (i = 0; i < fw_stats->peers; i++) { | |
420 | len += scnprintf(buf + len, buf_len - len, "%30s %pM\n", | |
421 | "Peer MAC address", | |
422 | fw_stats->peer_stat[i].peer_macaddr); | |
423 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", | |
424 | "Peer RSSI", fw_stats->peer_stat[i].peer_rssi); | |
425 | len += scnprintf(buf + len, buf_len - len, "%30s %u\n", | |
426 | "Peer TX rate", | |
427 | fw_stats->peer_stat[i].peer_tx_rate); | |
428 | len += scnprintf(buf + len, buf_len - len, "\n"); | |
429 | } | |
87571bf0 | 430 | spin_unlock_bh(&ar->data_lock); |
5e3dd157 KV |
431 | |
432 | if (len > buf_len) | |
433 | len = buf_len; | |
434 | ||
435 | ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
436 | ||
87571bf0 | 437 | exit: |
5e3dd157 | 438 | mutex_unlock(&ar->conf_mutex); |
5e3dd157 KV |
439 | kfree(buf); |
440 | return ret_cnt; | |
441 | } | |
442 | ||
443 | static const struct file_operations fops_fw_stats = { | |
444 | .read = ath10k_read_fw_stats, | |
445 | .open = simple_open, | |
446 | .owner = THIS_MODULE, | |
447 | .llseek = default_llseek, | |
448 | }; | |
449 | ||
278c4a85 MK |
450 | static ssize_t ath10k_read_simulate_fw_crash(struct file *file, |
451 | char __user *user_buf, | |
452 | size_t count, loff_t *ppos) | |
453 | { | |
454 | const char buf[] = "To simulate firmware crash write the keyword" | |
455 | " `crash` to this file.\nThis will force firmware" | |
456 | " to report a crash to the host system.\n"; | |
457 | return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); | |
458 | } | |
459 | ||
460 | static ssize_t ath10k_write_simulate_fw_crash(struct file *file, | |
461 | const char __user *user_buf, | |
462 | size_t count, loff_t *ppos) | |
463 | { | |
464 | struct ath10k *ar = file->private_data; | |
465 | char buf[32] = {}; | |
466 | int ret; | |
467 | ||
468 | mutex_lock(&ar->conf_mutex); | |
469 | ||
470 | simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); | |
471 | if (strcmp(buf, "crash") && strcmp(buf, "crash\n")) { | |
472 | ret = -EINVAL; | |
473 | goto exit; | |
474 | } | |
475 | ||
476 | if (ar->state != ATH10K_STATE_ON && | |
477 | ar->state != ATH10K_STATE_RESTARTED) { | |
478 | ret = -ENETDOWN; | |
479 | goto exit; | |
480 | } | |
481 | ||
482 | ath10k_info("simulating firmware crash\n"); | |
483 | ||
484 | ret = ath10k_wmi_force_fw_hang(ar, WMI_FORCE_FW_HANG_ASSERT, 0); | |
485 | if (ret) | |
486 | ath10k_warn("failed to force fw hang (%d)\n", ret); | |
487 | ||
488 | if (ret == 0) | |
489 | ret = count; | |
490 | ||
491 | exit: | |
492 | mutex_unlock(&ar->conf_mutex); | |
493 | return ret; | |
494 | } | |
495 | ||
496 | static const struct file_operations fops_simulate_fw_crash = { | |
497 | .read = ath10k_read_simulate_fw_crash, | |
498 | .write = ath10k_write_simulate_fw_crash, | |
499 | .open = simple_open, | |
500 | .owner = THIS_MODULE, | |
501 | .llseek = default_llseek, | |
502 | }; | |
503 | ||
763b8cd3 KV |
504 | static ssize_t ath10k_read_chip_id(struct file *file, char __user *user_buf, |
505 | size_t count, loff_t *ppos) | |
506 | { | |
507 | struct ath10k *ar = file->private_data; | |
508 | unsigned int len; | |
509 | char buf[50]; | |
510 | ||
511 | len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->chip_id); | |
512 | ||
513 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
514 | } | |
515 | ||
516 | static const struct file_operations fops_chip_id = { | |
517 | .read = ath10k_read_chip_id, | |
518 | .open = simple_open, | |
519 | .owner = THIS_MODULE, | |
520 | .llseek = default_llseek, | |
521 | }; | |
522 | ||
a3d135e5 KV |
523 | static int ath10k_debug_htt_stats_req(struct ath10k *ar) |
524 | { | |
525 | u64 cookie; | |
526 | int ret; | |
527 | ||
528 | lockdep_assert_held(&ar->conf_mutex); | |
529 | ||
530 | if (ar->debug.htt_stats_mask == 0) | |
531 | /* htt stats are disabled */ | |
532 | return 0; | |
533 | ||
534 | if (ar->state != ATH10K_STATE_ON) | |
535 | return 0; | |
536 | ||
537 | cookie = get_jiffies_64(); | |
538 | ||
539 | ret = ath10k_htt_h2t_stats_req(&ar->htt, ar->debug.htt_stats_mask, | |
540 | cookie); | |
541 | if (ret) { | |
542 | ath10k_warn("failed to send htt stats request: %d\n", ret); | |
543 | return ret; | |
544 | } | |
545 | ||
546 | queue_delayed_work(ar->workqueue, &ar->debug.htt_stats_dwork, | |
547 | msecs_to_jiffies(ATH10K_DEBUG_HTT_STATS_INTERVAL)); | |
548 | ||
549 | return 0; | |
550 | } | |
551 | ||
552 | static void ath10k_debug_htt_stats_dwork(struct work_struct *work) | |
553 | { | |
554 | struct ath10k *ar = container_of(work, struct ath10k, | |
555 | debug.htt_stats_dwork.work); | |
556 | ||
557 | mutex_lock(&ar->conf_mutex); | |
558 | ||
559 | ath10k_debug_htt_stats_req(ar); | |
560 | ||
561 | mutex_unlock(&ar->conf_mutex); | |
562 | } | |
563 | ||
564 | static ssize_t ath10k_read_htt_stats_mask(struct file *file, | |
565 | char __user *user_buf, | |
566 | size_t count, loff_t *ppos) | |
567 | { | |
568 | struct ath10k *ar = file->private_data; | |
569 | char buf[32]; | |
570 | unsigned int len; | |
571 | ||
572 | len = scnprintf(buf, sizeof(buf), "%lu\n", ar->debug.htt_stats_mask); | |
573 | ||
574 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
575 | } | |
576 | ||
577 | static ssize_t ath10k_write_htt_stats_mask(struct file *file, | |
578 | const char __user *user_buf, | |
579 | size_t count, loff_t *ppos) | |
580 | { | |
581 | struct ath10k *ar = file->private_data; | |
582 | unsigned long mask; | |
583 | int ret; | |
584 | ||
585 | ret = kstrtoul_from_user(user_buf, count, 0, &mask); | |
586 | if (ret) | |
587 | return ret; | |
588 | ||
589 | /* max 8 bit masks (for now) */ | |
590 | if (mask > 0xff) | |
591 | return -E2BIG; | |
592 | ||
593 | mutex_lock(&ar->conf_mutex); | |
594 | ||
595 | ar->debug.htt_stats_mask = mask; | |
596 | ||
597 | ret = ath10k_debug_htt_stats_req(ar); | |
598 | if (ret) | |
599 | goto out; | |
600 | ||
601 | ret = count; | |
602 | ||
603 | out: | |
604 | mutex_unlock(&ar->conf_mutex); | |
605 | ||
606 | return ret; | |
607 | } | |
608 | ||
609 | static const struct file_operations fops_htt_stats_mask = { | |
610 | .read = ath10k_read_htt_stats_mask, | |
611 | .write = ath10k_write_htt_stats_mask, | |
612 | .open = simple_open, | |
613 | .owner = THIS_MODULE, | |
614 | .llseek = default_llseek, | |
615 | }; | |
616 | ||
f118a3e5 KV |
617 | static ssize_t ath10k_read_fw_dbglog(struct file *file, |
618 | char __user *user_buf, | |
619 | size_t count, loff_t *ppos) | |
620 | { | |
621 | struct ath10k *ar = file->private_data; | |
622 | unsigned int len; | |
623 | char buf[32]; | |
624 | ||
625 | len = scnprintf(buf, sizeof(buf), "0x%08x\n", | |
626 | ar->debug.fw_dbglog_mask); | |
627 | ||
628 | return simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
629 | } | |
630 | ||
631 | static ssize_t ath10k_write_fw_dbglog(struct file *file, | |
632 | const char __user *user_buf, | |
633 | size_t count, loff_t *ppos) | |
634 | { | |
635 | struct ath10k *ar = file->private_data; | |
636 | unsigned long mask; | |
637 | int ret; | |
638 | ||
639 | ret = kstrtoul_from_user(user_buf, count, 0, &mask); | |
640 | if (ret) | |
641 | return ret; | |
642 | ||
643 | mutex_lock(&ar->conf_mutex); | |
644 | ||
645 | ar->debug.fw_dbglog_mask = mask; | |
646 | ||
647 | if (ar->state == ATH10K_STATE_ON) { | |
648 | ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask); | |
649 | if (ret) { | |
650 | ath10k_warn("dbglog cfg failed from debugfs: %d\n", | |
651 | ret); | |
652 | goto exit; | |
653 | } | |
654 | } | |
655 | ||
656 | ret = count; | |
657 | ||
658 | exit: | |
659 | mutex_unlock(&ar->conf_mutex); | |
660 | ||
661 | return ret; | |
662 | } | |
663 | ||
664 | static const struct file_operations fops_fw_dbglog = { | |
665 | .read = ath10k_read_fw_dbglog, | |
666 | .write = ath10k_write_fw_dbglog, | |
667 | .open = simple_open, | |
668 | .owner = THIS_MODULE, | |
669 | .llseek = default_llseek, | |
670 | }; | |
671 | ||
db66ea04 KV |
672 | int ath10k_debug_start(struct ath10k *ar) |
673 | { | |
a3d135e5 KV |
674 | int ret; |
675 | ||
60631c5c KV |
676 | lockdep_assert_held(&ar->conf_mutex); |
677 | ||
a3d135e5 KV |
678 | ret = ath10k_debug_htt_stats_req(ar); |
679 | if (ret) | |
680 | /* continue normally anyway, this isn't serious */ | |
681 | ath10k_warn("failed to start htt stats workqueue: %d\n", ret); | |
682 | ||
f118a3e5 KV |
683 | if (ar->debug.fw_dbglog_mask) { |
684 | ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask); | |
685 | if (ret) | |
686 | /* not serious */ | |
687 | ath10k_warn("failed to enable dbglog during start: %d", | |
688 | ret); | |
689 | } | |
690 | ||
db66ea04 KV |
691 | return 0; |
692 | } | |
693 | ||
694 | void ath10k_debug_stop(struct ath10k *ar) | |
695 | { | |
60631c5c KV |
696 | lockdep_assert_held(&ar->conf_mutex); |
697 | ||
698 | /* Must not use _sync to avoid deadlock, we do that in | |
699 | * ath10k_debug_destroy(). The check for htt_stats_mask is to avoid | |
700 | * warning from del_timer(). */ | |
701 | if (ar->debug.htt_stats_mask != 0) | |
702 | cancel_delayed_work(&ar->debug.htt_stats_dwork); | |
db66ea04 KV |
703 | } |
704 | ||
9702c686 JD |
705 | static ssize_t ath10k_write_simulate_radar(struct file *file, |
706 | const char __user *user_buf, | |
707 | size_t count, loff_t *ppos) | |
708 | { | |
709 | struct ath10k *ar = file->private_data; | |
710 | ||
711 | ieee80211_radar_detected(ar->hw); | |
712 | ||
713 | return count; | |
714 | } | |
715 | ||
716 | static const struct file_operations fops_simulate_radar = { | |
717 | .write = ath10k_write_simulate_radar, | |
718 | .open = simple_open, | |
719 | .owner = THIS_MODULE, | |
720 | .llseek = default_llseek, | |
721 | }; | |
722 | ||
723 | #define ATH10K_DFS_STAT(s, p) (\ | |
724 | len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \ | |
725 | ar->debug.dfs_stats.p)) | |
726 | ||
727 | #define ATH10K_DFS_POOL_STAT(s, p) (\ | |
728 | len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \ | |
729 | ar->debug.dfs_pool_stats.p)) | |
730 | ||
731 | static ssize_t ath10k_read_dfs_stats(struct file *file, char __user *user_buf, | |
732 | size_t count, loff_t *ppos) | |
733 | { | |
734 | int retval = 0, len = 0; | |
735 | const int size = 8000; | |
736 | struct ath10k *ar = file->private_data; | |
737 | char *buf; | |
738 | ||
739 | buf = kzalloc(size, GFP_KERNEL); | |
740 | if (buf == NULL) | |
741 | return -ENOMEM; | |
742 | ||
743 | if (!ar->dfs_detector) { | |
744 | len += scnprintf(buf + len, size - len, "DFS not enabled\n"); | |
745 | goto exit; | |
746 | } | |
747 | ||
748 | ar->debug.dfs_pool_stats = | |
749 | ar->dfs_detector->get_stats(ar->dfs_detector); | |
750 | ||
751 | len += scnprintf(buf + len, size - len, "Pulse detector statistics:\n"); | |
752 | ||
753 | ATH10K_DFS_STAT("reported phy errors", phy_errors); | |
754 | ATH10K_DFS_STAT("pulse events reported", pulses_total); | |
755 | ATH10K_DFS_STAT("DFS pulses detected", pulses_detected); | |
756 | ATH10K_DFS_STAT("DFS pulses discarded", pulses_discarded); | |
757 | ATH10K_DFS_STAT("Radars detected", radar_detected); | |
758 | ||
759 | len += scnprintf(buf + len, size - len, "Global Pool statistics:\n"); | |
760 | ATH10K_DFS_POOL_STAT("Pool references", pool_reference); | |
761 | ATH10K_DFS_POOL_STAT("Pulses allocated", pulse_allocated); | |
762 | ATH10K_DFS_POOL_STAT("Pulses alloc error", pulse_alloc_error); | |
763 | ATH10K_DFS_POOL_STAT("Pulses in use", pulse_used); | |
764 | ATH10K_DFS_POOL_STAT("Seqs. allocated", pseq_allocated); | |
765 | ATH10K_DFS_POOL_STAT("Seqs. alloc error", pseq_alloc_error); | |
766 | ATH10K_DFS_POOL_STAT("Seqs. in use", pseq_used); | |
767 | ||
768 | exit: | |
769 | if (len > size) | |
770 | len = size; | |
771 | ||
772 | retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); | |
773 | kfree(buf); | |
774 | ||
775 | return retval; | |
776 | } | |
777 | ||
778 | static const struct file_operations fops_dfs_stats = { | |
779 | .read = ath10k_read_dfs_stats, | |
780 | .open = simple_open, | |
781 | .owner = THIS_MODULE, | |
782 | .llseek = default_llseek, | |
783 | }; | |
784 | ||
5e3dd157 KV |
785 | int ath10k_debug_create(struct ath10k *ar) |
786 | { | |
787 | ar->debug.debugfs_phy = debugfs_create_dir("ath10k", | |
788 | ar->hw->wiphy->debugfsdir); | |
789 | ||
790 | if (!ar->debug.debugfs_phy) | |
791 | return -ENOMEM; | |
792 | ||
a3d135e5 KV |
793 | INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork, |
794 | ath10k_debug_htt_stats_dwork); | |
795 | ||
5e3dd157 KV |
796 | init_completion(&ar->debug.event_stats_compl); |
797 | ||
798 | debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar, | |
799 | &fops_fw_stats); | |
800 | ||
801 | debugfs_create_file("wmi_services", S_IRUSR, ar->debug.debugfs_phy, ar, | |
802 | &fops_wmi_services); | |
803 | ||
278c4a85 MK |
804 | debugfs_create_file("simulate_fw_crash", S_IRUSR, ar->debug.debugfs_phy, |
805 | ar, &fops_simulate_fw_crash); | |
806 | ||
763b8cd3 KV |
807 | debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy, |
808 | ar, &fops_chip_id); | |
809 | ||
a3d135e5 KV |
810 | debugfs_create_file("htt_stats_mask", S_IRUSR, ar->debug.debugfs_phy, |
811 | ar, &fops_htt_stats_mask); | |
812 | ||
f118a3e5 KV |
813 | debugfs_create_file("fw_dbglog", S_IRUSR, ar->debug.debugfs_phy, |
814 | ar, &fops_fw_dbglog); | |
815 | ||
9702c686 JD |
816 | if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) { |
817 | debugfs_create_file("dfs_simulate_radar", S_IWUSR, | |
818 | ar->debug.debugfs_phy, ar, | |
819 | &fops_simulate_radar); | |
820 | ||
7d9b40b4 MP |
821 | debugfs_create_bool("dfs_block_radar_events", S_IWUSR, |
822 | ar->debug.debugfs_phy, | |
823 | &ar->dfs_block_radar_events); | |
824 | ||
9702c686 JD |
825 | debugfs_create_file("dfs_stats", S_IRUSR, |
826 | ar->debug.debugfs_phy, ar, | |
827 | &fops_dfs_stats); | |
828 | } | |
829 | ||
5e3dd157 KV |
830 | return 0; |
831 | } | |
db66ea04 | 832 | |
60631c5c KV |
833 | void ath10k_debug_destroy(struct ath10k *ar) |
834 | { | |
835 | cancel_delayed_work_sync(&ar->debug.htt_stats_dwork); | |
836 | } | |
837 | ||
5e3dd157 KV |
838 | #endif /* CONFIG_ATH10K_DEBUGFS */ |
839 | ||
840 | #ifdef CONFIG_ATH10K_DEBUG | |
841 | void ath10k_dbg(enum ath10k_debug_mask mask, const char *fmt, ...) | |
842 | { | |
843 | struct va_format vaf; | |
844 | va_list args; | |
845 | ||
846 | va_start(args, fmt); | |
847 | ||
848 | vaf.fmt = fmt; | |
849 | vaf.va = &args; | |
850 | ||
851 | if (ath10k_debug_mask & mask) | |
852 | ath10k_printk(KERN_DEBUG, "%pV", &vaf); | |
853 | ||
854 | trace_ath10k_log_dbg(mask, &vaf); | |
855 | ||
856 | va_end(args); | |
857 | } | |
858 | EXPORT_SYMBOL(ath10k_dbg); | |
859 | ||
860 | void ath10k_dbg_dump(enum ath10k_debug_mask mask, | |
861 | const char *msg, const char *prefix, | |
862 | const void *buf, size_t len) | |
863 | { | |
864 | if (ath10k_debug_mask & mask) { | |
865 | if (msg) | |
866 | ath10k_dbg(mask, "%s\n", msg); | |
867 | ||
868 | print_hex_dump_bytes(prefix, DUMP_PREFIX_OFFSET, buf, len); | |
869 | } | |
870 | ||
871 | /* tracing code doesn't like null strings :/ */ | |
872 | trace_ath10k_log_dbg_dump(msg ? msg : "", prefix ? prefix : "", | |
873 | buf, len); | |
874 | } | |
875 | EXPORT_SYMBOL(ath10k_dbg_dump); | |
876 | ||
877 | #endif /* CONFIG_ATH10K_DEBUG */ |