1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * This file is part of wl1251
4 *
5 * Copyright (C) 2009 Nokia Corporation
6 */
7
8 #include "debugfs.h"
9
10 #include <linux/skbuff.h>
11 #include <linux/slab.h>
12
13 #include "wl1251.h"
14 #include "acx.h"
15 #include "ps.h"
16
17 /* ms */
18 #define WL1251_DEBUGFS_STATS_LIFETIME 1000
19
20 /* debugfs macros idea from mac80211 */
21
22 #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \
23 static ssize_t name## _read(struct file *file, char __user *userbuf, \
24 size_t count, loff_t *ppos) \
25 { \
26 struct wl1251 *wl = file->private_data; \
27 char buf[buflen]; \
28 int res; \
29 \
30 res = scnprintf(buf, buflen, fmt "\n", ##value); \
31 return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
32 } \
33 \
34 static const struct file_operations name## _ops = { \
35 .read = name## _read, \
36 .open = simple_open, \
37 .llseek = generic_file_llseek, \
38 };
39
40 #define DEBUGFS_ADD(name, parent) \
41 wl->debugfs.name = debugfs_create_file(#name, 0400, parent, \
42 wl, &name## _ops); \
43
44 #define DEBUGFS_DEL(name) \
45 do { \
46 debugfs_remove(wl->debugfs.name); \
47 wl->debugfs.name = NULL; \
48 } while (0)
49
50 #define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt) \
51 static ssize_t sub## _ ##name## _read(struct file *file, \
52 char __user *userbuf, \
53 size_t count, loff_t *ppos) \
54 { \
55 struct wl1251 *wl = file->private_data; \
56 char buf[buflen]; \
57 int res; \
58 \
59 wl1251_debugfs_update_stats(wl); \
60 \
61 res = scnprintf(buf, buflen, fmt "\n", \
62 wl->stats.fw_stats->sub.name); \
63 return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
64 } \
65 \
66 static const struct file_operations sub## _ ##name## _ops = { \
67 .read = sub## _ ##name## _read, \
68 .open = simple_open, \
69 .llseek = generic_file_llseek, \
70 };
71
72 #define DEBUGFS_FWSTATS_ADD(sub, name) \
73 DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics)
74
75 #define DEBUGFS_FWSTATS_DEL(sub, name) \
76 DEBUGFS_DEL(sub## _ ##name)
77
wl1251_debugfs_update_stats(struct wl1251 * wl)78 static void wl1251_debugfs_update_stats(struct wl1251 *wl)
79 {
80 int ret;
81
82 mutex_lock(&wl->mutex);
83
84 ret = wl1251_ps_elp_wakeup(wl);
85 if (ret < 0)
86 goto out;
87
88 if (wl->state == WL1251_STATE_ON &&
89 time_after(jiffies, wl->stats.fw_stats_update +
90 msecs_to_jiffies(WL1251_DEBUGFS_STATS_LIFETIME))) {
91 wl1251_acx_statistics(wl, wl->stats.fw_stats);
92 wl->stats.fw_stats_update = jiffies;
93 }
94
95 wl1251_ps_elp_sleep(wl);
96
97 out:
98 mutex_unlock(&wl->mutex);
99 }
100
101 DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u");
102
103 DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u");
104 DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u");
105 DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u");
106 DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u");
107 DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u");
108 DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u");
109 DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u");
110 DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u");
111
112 DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u");
113 DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u");
114 DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u");
115 DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u");
116
117 DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u");
118 DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u");
119 DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u");
120 DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u");
121 DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u");
122 DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u");
123 DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u");
124 DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u");
125 DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u");
126 DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u");
127 DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u");
128 DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u");
129 DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u");
130 DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u");
131 DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u");
132 DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u");
133 DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u");
134 DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u");
135
136 DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u");
137 DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u");
138 /* skipping wep.reserved */
139 DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u");
140 DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u");
141 DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u");
142 DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u");
143
144 DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u");
145 DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u");
146 DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u");
147 DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u");
148 DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u");
149 DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u");
150 DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u");
151 DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u");
152 DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u");
153 DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u");
154 DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u");
155 DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u");
156 /* skipping cont_miss_bcns_spread for now */
157 DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u");
158
159 DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u");
160 DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u");
161
162 DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u");
163 DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u");
164 DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u");
165 DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u");
166 DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u");
167 DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u");
168
169 DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u");
170 DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u");
171 DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u");
172 DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u");
173 DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u");
174 DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u");
175 DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u");
176 DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u");
177
178 DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u");
179 DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u");
180 DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u");
181 DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u");
182 DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u");
183 DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u");
184 DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u");
185
186 DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u");
187 DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u");
188 DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data,
189 20, "%u");
190 DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u");
191 DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u");
192
193 DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count);
194 DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u",
195 wl->stats.excessive_retries);
196
tx_queue_len_read(struct file * file,char __user * userbuf,size_t count,loff_t * ppos)197 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
198 size_t count, loff_t *ppos)
199 {
200 struct wl1251 *wl = file->private_data;
201 u32 queue_len;
202 char buf[20];
203 int res;
204
205 queue_len = skb_queue_len(&wl->tx_queue);
206
207 res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
208 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
209 }
210
211 static const struct file_operations tx_queue_len_ops = {
212 .read = tx_queue_len_read,
213 .open = simple_open,
214 .llseek = generic_file_llseek,
215 };
216
tx_queue_status_read(struct file * file,char __user * userbuf,size_t count,loff_t * ppos)217 static ssize_t tx_queue_status_read(struct file *file, char __user *userbuf,
218 size_t count, loff_t *ppos)
219 {
220 struct wl1251 *wl = file->private_data;
221 char buf[3], status;
222 int len;
223
224 if (wl->tx_queue_stopped)
225 status = 's';
226 else
227 status = 'r';
228
229 len = scnprintf(buf, sizeof(buf), "%c\n", status);
230 return simple_read_from_buffer(userbuf, count, ppos, buf, len);
231 }
232
233 static const struct file_operations tx_queue_status_ops = {
234 .read = tx_queue_status_read,
235 .open = simple_open,
236 .llseek = generic_file_llseek,
237 };
238
wl1251_debugfs_delete_files(struct wl1251 * wl)239 static void wl1251_debugfs_delete_files(struct wl1251 *wl)
240 {
241 DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow);
242
243 DEBUGFS_FWSTATS_DEL(rx, out_of_mem);
244 DEBUGFS_FWSTATS_DEL(rx, hdr_overflow);
245 DEBUGFS_FWSTATS_DEL(rx, hw_stuck);
246 DEBUGFS_FWSTATS_DEL(rx, dropped);
247 DEBUGFS_FWSTATS_DEL(rx, fcs_err);
248 DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig);
249 DEBUGFS_FWSTATS_DEL(rx, path_reset);
250 DEBUGFS_FWSTATS_DEL(rx, reset_counter);
251
252 DEBUGFS_FWSTATS_DEL(dma, rx_requested);
253 DEBUGFS_FWSTATS_DEL(dma, rx_errors);
254 DEBUGFS_FWSTATS_DEL(dma, tx_requested);
255 DEBUGFS_FWSTATS_DEL(dma, tx_errors);
256
257 DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt);
258 DEBUGFS_FWSTATS_DEL(isr, fiqs);
259 DEBUGFS_FWSTATS_DEL(isr, rx_headers);
260 DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow);
261 DEBUGFS_FWSTATS_DEL(isr, rx_rdys);
262 DEBUGFS_FWSTATS_DEL(isr, irqs);
263 DEBUGFS_FWSTATS_DEL(isr, tx_procs);
264 DEBUGFS_FWSTATS_DEL(isr, decrypt_done);
265 DEBUGFS_FWSTATS_DEL(isr, dma0_done);
266 DEBUGFS_FWSTATS_DEL(isr, dma1_done);
267 DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete);
268 DEBUGFS_FWSTATS_DEL(isr, commands);
269 DEBUGFS_FWSTATS_DEL(isr, rx_procs);
270 DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes);
271 DEBUGFS_FWSTATS_DEL(isr, host_acknowledges);
272 DEBUGFS_FWSTATS_DEL(isr, pci_pm);
273 DEBUGFS_FWSTATS_DEL(isr, wakeups);
274 DEBUGFS_FWSTATS_DEL(isr, low_rssi);
275
276 DEBUGFS_FWSTATS_DEL(wep, addr_key_count);
277 DEBUGFS_FWSTATS_DEL(wep, default_key_count);
278 /* skipping wep.reserved */
279 DEBUGFS_FWSTATS_DEL(wep, key_not_found);
280 DEBUGFS_FWSTATS_DEL(wep, decrypt_fail);
281 DEBUGFS_FWSTATS_DEL(wep, packets);
282 DEBUGFS_FWSTATS_DEL(wep, interrupt);
283
284 DEBUGFS_FWSTATS_DEL(pwr, ps_enter);
285 DEBUGFS_FWSTATS_DEL(pwr, elp_enter);
286 DEBUGFS_FWSTATS_DEL(pwr, missing_bcns);
287 DEBUGFS_FWSTATS_DEL(pwr, wake_on_host);
288 DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp);
289 DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps);
290 DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps);
291 DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons);
292 DEBUGFS_FWSTATS_DEL(pwr, power_save_off);
293 DEBUGFS_FWSTATS_DEL(pwr, enable_ps);
294 DEBUGFS_FWSTATS_DEL(pwr, disable_ps);
295 DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps);
296 /* skipping cont_miss_bcns_spread for now */
297 DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons);
298
299 DEBUGFS_FWSTATS_DEL(mic, rx_pkts);
300 DEBUGFS_FWSTATS_DEL(mic, calc_failure);
301
302 DEBUGFS_FWSTATS_DEL(aes, encrypt_fail);
303 DEBUGFS_FWSTATS_DEL(aes, decrypt_fail);
304 DEBUGFS_FWSTATS_DEL(aes, encrypt_packets);
305 DEBUGFS_FWSTATS_DEL(aes, decrypt_packets);
306 DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt);
307 DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt);
308
309 DEBUGFS_FWSTATS_DEL(event, heart_beat);
310 DEBUGFS_FWSTATS_DEL(event, calibration);
311 DEBUGFS_FWSTATS_DEL(event, rx_mismatch);
312 DEBUGFS_FWSTATS_DEL(event, rx_mem_empty);
313 DEBUGFS_FWSTATS_DEL(event, rx_pool);
314 DEBUGFS_FWSTATS_DEL(event, oom_late);
315 DEBUGFS_FWSTATS_DEL(event, phy_transmit_error);
316 DEBUGFS_FWSTATS_DEL(event, tx_stuck);
317
318 DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts);
319 DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts);
320 DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime);
321 DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn);
322 DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn);
323 DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization);
324 DEBUGFS_FWSTATS_DEL(ps, upsd_utilization);
325
326 DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop);
327 DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data);
328 DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
329 DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data);
330 DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data);
331
332 DEBUGFS_DEL(tx_queue_len);
333 DEBUGFS_DEL(tx_queue_status);
334 DEBUGFS_DEL(retry_count);
335 DEBUGFS_DEL(excessive_retries);
336 }
337
wl1251_debugfs_add_files(struct wl1251 * wl)338 static void wl1251_debugfs_add_files(struct wl1251 *wl)
339 {
340 DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
341
342 DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
343 DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
344 DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
345 DEBUGFS_FWSTATS_ADD(rx, dropped);
346 DEBUGFS_FWSTATS_ADD(rx, fcs_err);
347 DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
348 DEBUGFS_FWSTATS_ADD(rx, path_reset);
349 DEBUGFS_FWSTATS_ADD(rx, reset_counter);
350
351 DEBUGFS_FWSTATS_ADD(dma, rx_requested);
352 DEBUGFS_FWSTATS_ADD(dma, rx_errors);
353 DEBUGFS_FWSTATS_ADD(dma, tx_requested);
354 DEBUGFS_FWSTATS_ADD(dma, tx_errors);
355
356 DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
357 DEBUGFS_FWSTATS_ADD(isr, fiqs);
358 DEBUGFS_FWSTATS_ADD(isr, rx_headers);
359 DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
360 DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
361 DEBUGFS_FWSTATS_ADD(isr, irqs);
362 DEBUGFS_FWSTATS_ADD(isr, tx_procs);
363 DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
364 DEBUGFS_FWSTATS_ADD(isr, dma0_done);
365 DEBUGFS_FWSTATS_ADD(isr, dma1_done);
366 DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
367 DEBUGFS_FWSTATS_ADD(isr, commands);
368 DEBUGFS_FWSTATS_ADD(isr, rx_procs);
369 DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
370 DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
371 DEBUGFS_FWSTATS_ADD(isr, pci_pm);
372 DEBUGFS_FWSTATS_ADD(isr, wakeups);
373 DEBUGFS_FWSTATS_ADD(isr, low_rssi);
374
375 DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
376 DEBUGFS_FWSTATS_ADD(wep, default_key_count);
377 /* skipping wep.reserved */
378 DEBUGFS_FWSTATS_ADD(wep, key_not_found);
379 DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
380 DEBUGFS_FWSTATS_ADD(wep, packets);
381 DEBUGFS_FWSTATS_ADD(wep, interrupt);
382
383 DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
384 DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
385 DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
386 DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
387 DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
388 DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
389 DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
390 DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
391 DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
392 DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
393 DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
394 DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
395 /* skipping cont_miss_bcns_spread for now */
396 DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
397
398 DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
399 DEBUGFS_FWSTATS_ADD(mic, calc_failure);
400
401 DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
402 DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
403 DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
404 DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
405 DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
406 DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
407
408 DEBUGFS_FWSTATS_ADD(event, heart_beat);
409 DEBUGFS_FWSTATS_ADD(event, calibration);
410 DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
411 DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
412 DEBUGFS_FWSTATS_ADD(event, rx_pool);
413 DEBUGFS_FWSTATS_ADD(event, oom_late);
414 DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
415 DEBUGFS_FWSTATS_ADD(event, tx_stuck);
416
417 DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
418 DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
419 DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
420 DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
421 DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
422 DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
423 DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
424
425 DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
426 DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
427 DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
428 DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
429 DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
430
431 DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir);
432 DEBUGFS_ADD(tx_queue_status, wl->debugfs.rootdir);
433 DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
434 DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);
435 }
436
wl1251_debugfs_reset(struct wl1251 * wl)437 void wl1251_debugfs_reset(struct wl1251 *wl)
438 {
439 if (wl->stats.fw_stats != NULL)
440 memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
441 wl->stats.retry_count = 0;
442 wl->stats.excessive_retries = 0;
443 }
444
wl1251_debugfs_init(struct wl1251 * wl)445 int wl1251_debugfs_init(struct wl1251 *wl)
446 {
447 wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats), GFP_KERNEL);
448 if (!wl->stats.fw_stats)
449 return -ENOMEM;
450
451 wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
452
453 wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics",
454 wl->debugfs.rootdir);
455
456 wl->stats.fw_stats_update = jiffies;
457
458 wl1251_debugfs_add_files(wl);
459
460 return 0;
461 }
462
wl1251_debugfs_exit(struct wl1251 * wl)463 void wl1251_debugfs_exit(struct wl1251 *wl)
464 {
465 wl1251_debugfs_delete_files(wl);
466
467 kfree(wl->stats.fw_stats);
468 wl->stats.fw_stats = NULL;
469
470 debugfs_remove(wl->debugfs.fw_statistics);
471 wl->debugfs.fw_statistics = NULL;
472
473 debugfs_remove(wl->debugfs.rootdir);
474 wl->debugfs.rootdir = NULL;
475
476 }
477
