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path: root/drivers/net/wireless/wl12xx/debugfs.c
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-rw-r--r--drivers/net/wireless/wl12xx/debugfs.c508
1 files changed, 508 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c
new file mode 100644
index 000000000000..cdb368ce4dae
--- /dev/null
+++ b/drivers/net/wireless/wl12xx/debugfs.c
@@ -0,0 +1,508 @@
1/*
2 * This file is part of wl12xx
3 *
4 * Copyright (C) 2009 Nokia Corporation
5 *
6 * Contact: Kalle Valo <kalle.valo@nokia.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA
21 *
22 */
23
24#include "debugfs.h"
25
26#include <linux/skbuff.h>
27
28#include "wl12xx.h"
29#include "acx.h"
30
31/* ms */
32#define WL12XX_DEBUGFS_STATS_LIFETIME 1000
33
34/* debugfs macros idea from mac80211 */
35
36#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \
37static ssize_t name## _read(struct file *file, char __user *userbuf, \
38 size_t count, loff_t *ppos) \
39{ \
40 struct wl12xx *wl = file->private_data; \
41 char buf[buflen]; \
42 int res; \
43 \
44 res = scnprintf(buf, buflen, fmt "\n", ##value); \
45 return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
46} \
47 \
48static const struct file_operations name## _ops = { \
49 .read = name## _read, \
50 .open = wl12xx_open_file_generic, \
51};
52
53#define DEBUGFS_ADD(name, parent) \
54 wl->debugfs.name = debugfs_create_file(#name, 0400, parent, \
55 wl, &name## _ops); \
56 if (IS_ERR(wl->debugfs.name)) { \
57 ret = PTR_ERR(wl->debugfs.name); \
58 wl->debugfs.name = NULL; \
59 goto out; \
60 }
61
62#define DEBUGFS_DEL(name) \
63 do { \
64 debugfs_remove(wl->debugfs.name); \
65 wl->debugfs.name = NULL; \
66 } while (0)
67
68#define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt) \
69static ssize_t sub## _ ##name## _read(struct file *file, \
70 char __user *userbuf, \
71 size_t count, loff_t *ppos) \
72{ \
73 struct wl12xx *wl = file->private_data; \
74 char buf[buflen]; \
75 int res; \
76 \
77 wl12xx_debugfs_update_stats(wl); \
78 \
79 res = scnprintf(buf, buflen, fmt "\n", \
80 wl->stats.fw_stats->sub.name); \
81 return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
82} \
83 \
84static const struct file_operations sub## _ ##name## _ops = { \
85 .read = sub## _ ##name## _read, \
86 .open = wl12xx_open_file_generic, \
87};
88
89#define DEBUGFS_FWSTATS_ADD(sub, name) \
90 DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics)
91
92#define DEBUGFS_FWSTATS_DEL(sub, name) \
93 DEBUGFS_DEL(sub## _ ##name)
94
95static void wl12xx_debugfs_update_stats(struct wl12xx *wl)
96{
97 mutex_lock(&wl->mutex);
98
99 if (wl->state == WL12XX_STATE_ON &&
100 time_after(jiffies, wl->stats.fw_stats_update +
101 msecs_to_jiffies(WL12XX_DEBUGFS_STATS_LIFETIME))) {
102 wl12xx_acx_statistics(wl, wl->stats.fw_stats);
103 wl->stats.fw_stats_update = jiffies;
104 }
105
106 mutex_unlock(&wl->mutex);
107}
108
109static int wl12xx_open_file_generic(struct inode *inode, struct file *file)
110{
111 file->private_data = inode->i_private;
112 return 0;
113}
114
115DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u");
116
117DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u");
118DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u");
119DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u");
120DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u");
121DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u");
122DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u");
123DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u");
124DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u");
125
126DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u");
127DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u");
128DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u");
129DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u");
130
131DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u");
132DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u");
133DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u");
134DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u");
135DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u");
136DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u");
137DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u");
138DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u");
139DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u");
140DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u");
141DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u");
142DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u");
143DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u");
144DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u");
145DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u");
146DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u");
147DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u");
148DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u");
149
150DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u");
151DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u");
152/* skipping wep.reserved */
153DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u");
154DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u");
155DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u");
156DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u");
157
158DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u");
159DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u");
160DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u");
161DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u");
162DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u");
163DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u");
164DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u");
165DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u");
166DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u");
167DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u");
168DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u");
169DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u");
170/* skipping cont_miss_bcns_spread for now */
171DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u");
172
173DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u");
174DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u");
175
176DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u");
177DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u");
178DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u");
179DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u");
180DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u");
181DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u");
182
183DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u");
184DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u");
185DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u");
186DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u");
187DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u");
188DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u");
189DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u");
190DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u");
191
192DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u");
193DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u");
194DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u");
195DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u");
196DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u");
197DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u");
198DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u");
199
200DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u");
201DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u");
202DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data,
203 20, "%u");
204DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u");
205DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u");
206
207DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count);
208DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u",
209 wl->stats.excessive_retries);
210
211static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
212 size_t count, loff_t *ppos)
213{
214 struct wl12xx *wl = file->private_data;
215 u32 queue_len;
216 char buf[20];
217 int res;
218
219 queue_len = skb_queue_len(&wl->tx_queue);
220
221 res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
222 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
223}
224
225static const struct file_operations tx_queue_len_ops = {
226 .read = tx_queue_len_read,
227 .open = wl12xx_open_file_generic,
228};
229
230static void wl12xx_debugfs_delete_files(struct wl12xx *wl)
231{
232 DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow);
233
234 DEBUGFS_FWSTATS_DEL(rx, out_of_mem);
235 DEBUGFS_FWSTATS_DEL(rx, hdr_overflow);
236 DEBUGFS_FWSTATS_DEL(rx, hw_stuck);
237 DEBUGFS_FWSTATS_DEL(rx, dropped);
238 DEBUGFS_FWSTATS_DEL(rx, fcs_err);
239 DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig);
240 DEBUGFS_FWSTATS_DEL(rx, path_reset);
241 DEBUGFS_FWSTATS_DEL(rx, reset_counter);
242
243 DEBUGFS_FWSTATS_DEL(dma, rx_requested);
244 DEBUGFS_FWSTATS_DEL(dma, rx_errors);
245 DEBUGFS_FWSTATS_DEL(dma, tx_requested);
246 DEBUGFS_FWSTATS_DEL(dma, tx_errors);
247
248 DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt);
249 DEBUGFS_FWSTATS_DEL(isr, fiqs);
250 DEBUGFS_FWSTATS_DEL(isr, rx_headers);
251 DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow);
252 DEBUGFS_FWSTATS_DEL(isr, rx_rdys);
253 DEBUGFS_FWSTATS_DEL(isr, irqs);
254 DEBUGFS_FWSTATS_DEL(isr, tx_procs);
255 DEBUGFS_FWSTATS_DEL(isr, decrypt_done);
256 DEBUGFS_FWSTATS_DEL(isr, dma0_done);
257 DEBUGFS_FWSTATS_DEL(isr, dma1_done);
258 DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete);
259 DEBUGFS_FWSTATS_DEL(isr, commands);
260 DEBUGFS_FWSTATS_DEL(isr, rx_procs);
261 DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes);
262 DEBUGFS_FWSTATS_DEL(isr, host_acknowledges);
263 DEBUGFS_FWSTATS_DEL(isr, pci_pm);
264 DEBUGFS_FWSTATS_DEL(isr, wakeups);
265 DEBUGFS_FWSTATS_DEL(isr, low_rssi);
266
267 DEBUGFS_FWSTATS_DEL(wep, addr_key_count);
268 DEBUGFS_FWSTATS_DEL(wep, default_key_count);
269 /* skipping wep.reserved */
270 DEBUGFS_FWSTATS_DEL(wep, key_not_found);
271 DEBUGFS_FWSTATS_DEL(wep, decrypt_fail);
272 DEBUGFS_FWSTATS_DEL(wep, packets);
273 DEBUGFS_FWSTATS_DEL(wep, interrupt);
274
275 DEBUGFS_FWSTATS_DEL(pwr, ps_enter);
276 DEBUGFS_FWSTATS_DEL(pwr, elp_enter);
277 DEBUGFS_FWSTATS_DEL(pwr, missing_bcns);
278 DEBUGFS_FWSTATS_DEL(pwr, wake_on_host);
279 DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp);
280 DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps);
281 DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps);
282 DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons);
283 DEBUGFS_FWSTATS_DEL(pwr, power_save_off);
284 DEBUGFS_FWSTATS_DEL(pwr, enable_ps);
285 DEBUGFS_FWSTATS_DEL(pwr, disable_ps);
286 DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps);
287 /* skipping cont_miss_bcns_spread for now */
288 DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons);
289
290 DEBUGFS_FWSTATS_DEL(mic, rx_pkts);
291 DEBUGFS_FWSTATS_DEL(mic, calc_failure);
292
293 DEBUGFS_FWSTATS_DEL(aes, encrypt_fail);
294 DEBUGFS_FWSTATS_DEL(aes, decrypt_fail);
295 DEBUGFS_FWSTATS_DEL(aes, encrypt_packets);
296 DEBUGFS_FWSTATS_DEL(aes, decrypt_packets);
297 DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt);
298 DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt);
299
300 DEBUGFS_FWSTATS_DEL(event, heart_beat);
301 DEBUGFS_FWSTATS_DEL(event, calibration);
302 DEBUGFS_FWSTATS_DEL(event, rx_mismatch);
303 DEBUGFS_FWSTATS_DEL(event, rx_mem_empty);
304 DEBUGFS_FWSTATS_DEL(event, rx_pool);
305 DEBUGFS_FWSTATS_DEL(event, oom_late);
306 DEBUGFS_FWSTATS_DEL(event, phy_transmit_error);
307 DEBUGFS_FWSTATS_DEL(event, tx_stuck);
308
309 DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts);
310 DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts);
311 DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime);
312 DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn);
313 DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn);
314 DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization);
315 DEBUGFS_FWSTATS_DEL(ps, upsd_utilization);
316
317 DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop);
318 DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data);
319 DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
320 DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data);
321 DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data);
322
323 DEBUGFS_DEL(tx_queue_len);
324 DEBUGFS_DEL(retry_count);
325 DEBUGFS_DEL(excessive_retries);
326}
327
328static int wl12xx_debugfs_add_files(struct wl12xx *wl)
329{
330 int ret = 0;
331
332 DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
333
334 DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
335 DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
336 DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
337 DEBUGFS_FWSTATS_ADD(rx, dropped);
338 DEBUGFS_FWSTATS_ADD(rx, fcs_err);
339 DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
340 DEBUGFS_FWSTATS_ADD(rx, path_reset);
341 DEBUGFS_FWSTATS_ADD(rx, reset_counter);
342
343 DEBUGFS_FWSTATS_ADD(dma, rx_requested);
344 DEBUGFS_FWSTATS_ADD(dma, rx_errors);
345 DEBUGFS_FWSTATS_ADD(dma, tx_requested);
346 DEBUGFS_FWSTATS_ADD(dma, tx_errors);
347
348 DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
349 DEBUGFS_FWSTATS_ADD(isr, fiqs);
350 DEBUGFS_FWSTATS_ADD(isr, rx_headers);
351 DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
352 DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
353 DEBUGFS_FWSTATS_ADD(isr, irqs);
354 DEBUGFS_FWSTATS_ADD(isr, tx_procs);
355 DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
356 DEBUGFS_FWSTATS_ADD(isr, dma0_done);
357 DEBUGFS_FWSTATS_ADD(isr, dma1_done);
358 DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
359 DEBUGFS_FWSTATS_ADD(isr, commands);
360 DEBUGFS_FWSTATS_ADD(isr, rx_procs);
361 DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
362 DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
363 DEBUGFS_FWSTATS_ADD(isr, pci_pm);
364 DEBUGFS_FWSTATS_ADD(isr, wakeups);
365 DEBUGFS_FWSTATS_ADD(isr, low_rssi);
366
367 DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
368 DEBUGFS_FWSTATS_ADD(wep, default_key_count);
369 /* skipping wep.reserved */
370 DEBUGFS_FWSTATS_ADD(wep, key_not_found);
371 DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
372 DEBUGFS_FWSTATS_ADD(wep, packets);
373 DEBUGFS_FWSTATS_ADD(wep, interrupt);
374
375 DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
376 DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
377 DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
378 DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
379 DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
380 DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
381 DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
382 DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
383 DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
384 DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
385 DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
386 DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
387 /* skipping cont_miss_bcns_spread for now */
388 DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
389
390 DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
391 DEBUGFS_FWSTATS_ADD(mic, calc_failure);
392
393 DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
394 DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
395 DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
396 DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
397 DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
398 DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
399
400 DEBUGFS_FWSTATS_ADD(event, heart_beat);
401 DEBUGFS_FWSTATS_ADD(event, calibration);
402 DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
403 DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
404 DEBUGFS_FWSTATS_ADD(event, rx_pool);
405 DEBUGFS_FWSTATS_ADD(event, oom_late);
406 DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
407 DEBUGFS_FWSTATS_ADD(event, tx_stuck);
408
409 DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
410 DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
411 DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
412 DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
413 DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
414 DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
415 DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
416
417 DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
418 DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
419 DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
420 DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
421 DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
422
423 DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir);
424 DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
425 DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);
426
427out:
428 if (ret < 0)
429 wl12xx_debugfs_delete_files(wl);
430
431 return ret;
432}
433
434void wl12xx_debugfs_reset(struct wl12xx *wl)
435{
436 memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
437 wl->stats.retry_count = 0;
438 wl->stats.excessive_retries = 0;
439}
440
441int wl12xx_debugfs_init(struct wl12xx *wl)
442{
443 int ret;
444
445 wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
446
447 if (IS_ERR(wl->debugfs.rootdir)) {
448 ret = PTR_ERR(wl->debugfs.rootdir);
449 wl->debugfs.rootdir = NULL;
450 goto err;
451 }
452
453 wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics",
454 wl->debugfs.rootdir);
455
456 if (IS_ERR(wl->debugfs.fw_statistics)) {
457 ret = PTR_ERR(wl->debugfs.fw_statistics);
458 wl->debugfs.fw_statistics = NULL;
459 goto err_root;
460 }
461
462 wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
463 GFP_KERNEL);
464
465 if (!wl->stats.fw_stats) {
466 ret = -ENOMEM;
467 goto err_fw;
468 }
469
470 wl->stats.fw_stats_update = jiffies;
471
472 ret = wl12xx_debugfs_add_files(wl);
473
474 if (ret < 0)
475 goto err_file;
476
477 return 0;
478
479err_file:
480 kfree(wl->stats.fw_stats);
481 wl->stats.fw_stats = NULL;
482
483err_fw:
484 debugfs_remove(wl->debugfs.fw_statistics);
485 wl->debugfs.fw_statistics = NULL;
486
487err_root:
488 debugfs_remove(wl->debugfs.rootdir);
489 wl->debugfs.rootdir = NULL;
490
491err:
492 return ret;
493}
494
495void wl12xx_debugfs_exit(struct wl12xx *wl)
496{
497 wl12xx_debugfs_delete_files(wl);
498
499 kfree(wl->stats.fw_stats);
500 wl->stats.fw_stats = NULL;
501
502 debugfs_remove(wl->debugfs.fw_statistics);
503 wl->debugfs.fw_statistics = NULL;
504
505 debugfs_remove(wl->debugfs.rootdir);
506 wl->debugfs.rootdir = NULL;
507
508}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-19 17:42:52 -0500