2 * This file is part of wl1251
4 * Copyright (C) 2009 Nokia Corporation
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
24 #include <linux/skbuff.h>
25 #include <linux/slab.h>
32 #define WL1251_DEBUGFS_STATS_LIFETIME 1000
34 /* debugfs macros idea from mac80211 */
36 #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \
37 static ssize_t name## _read(struct file *file, char __user *userbuf, \
38 size_t count, loff_t *ppos) \
40 struct wl1251 *wl = file->private_data; \
44 res = scnprintf(buf, buflen, fmt "\n", ##value); \
45 return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
48 static const struct file_operations name## _ops = { \
49 .read = name## _read, \
50 .open = wl1251_open_file_generic, \
51 .llseek = generic_file_llseek, \
54 #define DEBUGFS_ADD(name, parent) \
55 wl->debugfs.name = debugfs_create_file(#name, 0400, parent, \
57 if (IS_ERR(wl->debugfs.name)) { \
58 ret = PTR_ERR(wl->debugfs.name); \
59 wl->debugfs.name = NULL; \
63 #define DEBUGFS_DEL(name) \
65 debugfs_remove(wl->debugfs.name); \
66 wl->debugfs.name = NULL; \
69 #define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt) \
70 static ssize_t sub## _ ##name## _read(struct file *file, \
71 char __user *userbuf, \
72 size_t count, loff_t *ppos) \
74 struct wl1251 *wl = file->private_data; \
78 wl1251_debugfs_update_stats(wl); \
80 res = scnprintf(buf, buflen, fmt "\n", \
81 wl->stats.fw_stats->sub.name); \
82 return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
85 static const struct file_operations sub## _ ##name## _ops = { \
86 .read = sub## _ ##name## _read, \
87 .open = wl1251_open_file_generic, \
88 .llseek = generic_file_llseek, \
91 #define DEBUGFS_FWSTATS_ADD(sub, name) \
92 DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics)
94 #define DEBUGFS_FWSTATS_DEL(sub, name) \
95 DEBUGFS_DEL(sub## _ ##name)
97 static void wl1251_debugfs_update_stats(struct wl1251 *wl)
101 mutex_lock(&wl->mutex);
103 ret = wl1251_ps_elp_wakeup(wl);
107 if (wl->state == WL1251_STATE_ON &&
108 time_after(jiffies, wl->stats.fw_stats_update +
109 msecs_to_jiffies(WL1251_DEBUGFS_STATS_LIFETIME))) {
110 wl1251_acx_statistics(wl, wl->stats.fw_stats);
111 wl->stats.fw_stats_update = jiffies;
114 wl1251_ps_elp_sleep(wl);
117 mutex_unlock(&wl->mutex);
120 static int wl1251_open_file_generic(struct inode *inode, struct file *file)
122 file->private_data = inode->i_private;
126 DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u");
128 DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u");
129 DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u");
130 DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u");
131 DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u");
132 DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u");
133 DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u");
134 DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u");
135 DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u");
137 DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u");
138 DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u");
139 DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u");
140 DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u");
142 DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u");
143 DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u");
144 DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u");
145 DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u");
146 DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u");
147 DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u");
148 DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u");
149 DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u");
150 DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u");
151 DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u");
152 DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u");
153 DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u");
154 DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u");
155 DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u");
156 DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u");
157 DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u");
158 DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u");
159 DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u");
161 DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u");
162 DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u");
163 /* skipping wep.reserved */
164 DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u");
165 DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u");
166 DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u");
167 DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u");
169 DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u");
170 DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u");
171 DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u");
172 DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u");
173 DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u");
174 DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u");
175 DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u");
176 DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u");
177 DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u");
178 DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u");
179 DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u");
180 DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u");
181 /* skipping cont_miss_bcns_spread for now */
182 DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u");
184 DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u");
185 DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u");
187 DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u");
188 DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u");
189 DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u");
190 DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u");
191 DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u");
192 DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u");
194 DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u");
195 DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u");
196 DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u");
197 DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u");
198 DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u");
199 DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u");
200 DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u");
201 DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u");
203 DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u");
204 DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u");
205 DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u");
206 DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u");
207 DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u");
208 DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u");
209 DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u");
211 DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u");
212 DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u");
213 DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data,
215 DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u");
216 DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u");
218 DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count);
219 DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u",
220 wl->stats.excessive_retries);
222 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
223 size_t count, loff_t *ppos)
225 struct wl1251 *wl = file->private_data;
230 queue_len = skb_queue_len(&wl->tx_queue);
232 res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
233 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
236 static const struct file_operations tx_queue_len_ops = {
237 .read = tx_queue_len_read,
238 .open = wl1251_open_file_generic,
239 .llseek = generic_file_llseek,
242 static ssize_t tx_queue_status_read(struct file *file, char __user *userbuf,
243 size_t count, loff_t *ppos)
245 struct wl1251 *wl = file->private_data;
249 if (wl->tx_queue_stopped)
254 len = scnprintf(buf, sizeof(buf), "%c\n", status);
255 return simple_read_from_buffer(userbuf, count, ppos, buf, len);
258 static const struct file_operations tx_queue_status_ops = {
259 .read = tx_queue_status_read,
260 .open = wl1251_open_file_generic,
261 .llseek = generic_file_llseek,
264 static ssize_t dump_nvs_read(struct file *file, char __user *userbuf,
265 size_t count, loff_t *ppos)
267 struct wl1251 *wl = file->private_data;
269 if (wl->eeprom_dump == NULL)
272 return simple_read_from_buffer(userbuf, count, ppos,
273 wl->eeprom_dump, 752);
276 static ssize_t dump_full_read(struct file *file, char __user *userbuf,
277 size_t count, loff_t *ppos)
279 struct wl1251 *wl = file->private_data;
281 if (wl->eeprom_dump == NULL)
284 return simple_read_from_buffer(userbuf, count, ppos,
285 wl->eeprom_dump, 1024);
288 static const struct file_operations dump_nvs_ops = {
289 .read = dump_nvs_read,
290 .open = wl1251_open_file_generic,
291 .llseek = generic_file_llseek,
294 static const struct file_operations dump_full_ops = {
295 .read = dump_full_read,
296 .open = wl1251_open_file_generic,
297 .llseek = generic_file_llseek,
300 static void wl1251_debugfs_delete_files(struct wl1251 *wl)
302 DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow);
304 DEBUGFS_FWSTATS_DEL(rx, out_of_mem);
305 DEBUGFS_FWSTATS_DEL(rx, hdr_overflow);
306 DEBUGFS_FWSTATS_DEL(rx, hw_stuck);
307 DEBUGFS_FWSTATS_DEL(rx, dropped);
308 DEBUGFS_FWSTATS_DEL(rx, fcs_err);
309 DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig);
310 DEBUGFS_FWSTATS_DEL(rx, path_reset);
311 DEBUGFS_FWSTATS_DEL(rx, reset_counter);
313 DEBUGFS_FWSTATS_DEL(dma, rx_requested);
314 DEBUGFS_FWSTATS_DEL(dma, rx_errors);
315 DEBUGFS_FWSTATS_DEL(dma, tx_requested);
316 DEBUGFS_FWSTATS_DEL(dma, tx_errors);
318 DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt);
319 DEBUGFS_FWSTATS_DEL(isr, fiqs);
320 DEBUGFS_FWSTATS_DEL(isr, rx_headers);
321 DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow);
322 DEBUGFS_FWSTATS_DEL(isr, rx_rdys);
323 DEBUGFS_FWSTATS_DEL(isr, irqs);
324 DEBUGFS_FWSTATS_DEL(isr, tx_procs);
325 DEBUGFS_FWSTATS_DEL(isr, decrypt_done);
326 DEBUGFS_FWSTATS_DEL(isr, dma0_done);
327 DEBUGFS_FWSTATS_DEL(isr, dma1_done);
328 DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete);
329 DEBUGFS_FWSTATS_DEL(isr, commands);
330 DEBUGFS_FWSTATS_DEL(isr, rx_procs);
331 DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes);
332 DEBUGFS_FWSTATS_DEL(isr, host_acknowledges);
333 DEBUGFS_FWSTATS_DEL(isr, pci_pm);
334 DEBUGFS_FWSTATS_DEL(isr, wakeups);
335 DEBUGFS_FWSTATS_DEL(isr, low_rssi);
337 DEBUGFS_FWSTATS_DEL(wep, addr_key_count);
338 DEBUGFS_FWSTATS_DEL(wep, default_key_count);
339 /* skipping wep.reserved */
340 DEBUGFS_FWSTATS_DEL(wep, key_not_found);
341 DEBUGFS_FWSTATS_DEL(wep, decrypt_fail);
342 DEBUGFS_FWSTATS_DEL(wep, packets);
343 DEBUGFS_FWSTATS_DEL(wep, interrupt);
345 DEBUGFS_FWSTATS_DEL(pwr, ps_enter);
346 DEBUGFS_FWSTATS_DEL(pwr, elp_enter);
347 DEBUGFS_FWSTATS_DEL(pwr, missing_bcns);
348 DEBUGFS_FWSTATS_DEL(pwr, wake_on_host);
349 DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp);
350 DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps);
351 DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps);
352 DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons);
353 DEBUGFS_FWSTATS_DEL(pwr, power_save_off);
354 DEBUGFS_FWSTATS_DEL(pwr, enable_ps);
355 DEBUGFS_FWSTATS_DEL(pwr, disable_ps);
356 DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps);
357 /* skipping cont_miss_bcns_spread for now */
358 DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons);
360 DEBUGFS_FWSTATS_DEL(mic, rx_pkts);
361 DEBUGFS_FWSTATS_DEL(mic, calc_failure);
363 DEBUGFS_FWSTATS_DEL(aes, encrypt_fail);
364 DEBUGFS_FWSTATS_DEL(aes, decrypt_fail);
365 DEBUGFS_FWSTATS_DEL(aes, encrypt_packets);
366 DEBUGFS_FWSTATS_DEL(aes, decrypt_packets);
367 DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt);
368 DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt);
370 DEBUGFS_FWSTATS_DEL(event, heart_beat);
371 DEBUGFS_FWSTATS_DEL(event, calibration);
372 DEBUGFS_FWSTATS_DEL(event, rx_mismatch);
373 DEBUGFS_FWSTATS_DEL(event, rx_mem_empty);
374 DEBUGFS_FWSTATS_DEL(event, rx_pool);
375 DEBUGFS_FWSTATS_DEL(event, oom_late);
376 DEBUGFS_FWSTATS_DEL(event, phy_transmit_error);
377 DEBUGFS_FWSTATS_DEL(event, tx_stuck);
379 DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts);
380 DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts);
381 DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime);
382 DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn);
383 DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn);
384 DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization);
385 DEBUGFS_FWSTATS_DEL(ps, upsd_utilization);
387 DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop);
388 DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data);
389 DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
390 DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data);
391 DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data);
393 DEBUGFS_DEL(tx_queue_len);
394 DEBUGFS_DEL(tx_queue_status);
395 DEBUGFS_DEL(retry_count);
396 DEBUGFS_DEL(excessive_retries);
398 if (wl->eeprom_dump != NULL) {
399 DEBUGFS_DEL(dump_nvs);
400 DEBUGFS_DEL(dump_full);
404 static int wl1251_debugfs_add_files(struct wl1251 *wl)
408 DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
410 DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
411 DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
412 DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
413 DEBUGFS_FWSTATS_ADD(rx, dropped);
414 DEBUGFS_FWSTATS_ADD(rx, fcs_err);
415 DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
416 DEBUGFS_FWSTATS_ADD(rx, path_reset);
417 DEBUGFS_FWSTATS_ADD(rx, reset_counter);
419 DEBUGFS_FWSTATS_ADD(dma, rx_requested);
420 DEBUGFS_FWSTATS_ADD(dma, rx_errors);
421 DEBUGFS_FWSTATS_ADD(dma, tx_requested);
422 DEBUGFS_FWSTATS_ADD(dma, tx_errors);
424 DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
425 DEBUGFS_FWSTATS_ADD(isr, fiqs);
426 DEBUGFS_FWSTATS_ADD(isr, rx_headers);
427 DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
428 DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
429 DEBUGFS_FWSTATS_ADD(isr, irqs);
430 DEBUGFS_FWSTATS_ADD(isr, tx_procs);
431 DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
432 DEBUGFS_FWSTATS_ADD(isr, dma0_done);
433 DEBUGFS_FWSTATS_ADD(isr, dma1_done);
434 DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
435 DEBUGFS_FWSTATS_ADD(isr, commands);
436 DEBUGFS_FWSTATS_ADD(isr, rx_procs);
437 DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
438 DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
439 DEBUGFS_FWSTATS_ADD(isr, pci_pm);
440 DEBUGFS_FWSTATS_ADD(isr, wakeups);
441 DEBUGFS_FWSTATS_ADD(isr, low_rssi);
443 DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
444 DEBUGFS_FWSTATS_ADD(wep, default_key_count);
445 /* skipping wep.reserved */
446 DEBUGFS_FWSTATS_ADD(wep, key_not_found);
447 DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
448 DEBUGFS_FWSTATS_ADD(wep, packets);
449 DEBUGFS_FWSTATS_ADD(wep, interrupt);
451 DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
452 DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
453 DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
454 DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
455 DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
456 DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
457 DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
458 DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
459 DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
460 DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
461 DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
462 DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
463 /* skipping cont_miss_bcns_spread for now */
464 DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
466 DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
467 DEBUGFS_FWSTATS_ADD(mic, calc_failure);
469 DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
470 DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
471 DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
472 DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
473 DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
474 DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
476 DEBUGFS_FWSTATS_ADD(event, heart_beat);
477 DEBUGFS_FWSTATS_ADD(event, calibration);
478 DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
479 DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
480 DEBUGFS_FWSTATS_ADD(event, rx_pool);
481 DEBUGFS_FWSTATS_ADD(event, oom_late);
482 DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
483 DEBUGFS_FWSTATS_ADD(event, tx_stuck);
485 DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
486 DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
487 DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
488 DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
489 DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
490 DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
491 DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
493 DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
494 DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
495 DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
496 DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
497 DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
499 DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir);
500 DEBUGFS_ADD(tx_queue_status, wl->debugfs.rootdir);
501 DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
502 DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);
504 /* temporary (?) hack for EEPROM dumping */
505 if (wl->eeprom_dump != NULL) {
506 DEBUGFS_ADD(dump_nvs, wl->debugfs.rootdir);
507 DEBUGFS_ADD(dump_full, wl->debugfs.rootdir);
512 wl1251_debugfs_delete_files(wl);
517 void wl1251_debugfs_reset(struct wl1251 *wl)
519 if (wl->stats.fw_stats != NULL)
520 memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
521 wl->stats.retry_count = 0;
522 wl->stats.excessive_retries = 0;
525 int wl1251_debugfs_init(struct wl1251 *wl)
529 wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
531 if (IS_ERR(wl->debugfs.rootdir)) {
532 ret = PTR_ERR(wl->debugfs.rootdir);
533 wl->debugfs.rootdir = NULL;
537 wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics",
538 wl->debugfs.rootdir);
540 if (IS_ERR(wl->debugfs.fw_statistics)) {
541 ret = PTR_ERR(wl->debugfs.fw_statistics);
542 wl->debugfs.fw_statistics = NULL;
546 wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
549 if (!wl->stats.fw_stats) {
554 wl->stats.fw_stats_update = jiffies;
556 ret = wl1251_debugfs_add_files(wl);
564 kfree(wl->stats.fw_stats);
565 wl->stats.fw_stats = NULL;
568 debugfs_remove(wl->debugfs.fw_statistics);
569 wl->debugfs.fw_statistics = NULL;
572 debugfs_remove(wl->debugfs.rootdir);
573 wl->debugfs.rootdir = NULL;
579 void wl1251_debugfs_exit(struct wl1251 *wl)
581 wl1251_debugfs_delete_files(wl);
583 kfree(wl->stats.fw_stats);
584 wl->stats.fw_stats = NULL;
586 debugfs_remove(wl->debugfs.fw_statistics);
587 wl->debugfs.fw_statistics = NULL;
589 debugfs_remove(wl->debugfs.rootdir);
590 wl->debugfs.rootdir = NULL;