2 * This file is part of wl1271
4 * Copyright (C) 2009 Nokia Corporation
6 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
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.
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.
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
24 #include "wl1271_debugfs.h"
26 #include <linux/skbuff.h>
29 #include "wl1271_acx.h"
30 #include "wl1271_ps.h"
33 #define WL1271_DEBUGFS_STATS_LIFETIME 1000
35 /* debugfs macros idea from mac80211 */
37 #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \
38 static ssize_t name## _read(struct file *file, char __user *userbuf, \
39 size_t count, loff_t *ppos) \
41 struct wl1271 *wl = file->private_data; \
45 res = scnprintf(buf, buflen, fmt "\n", ##value); \
46 return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
49 static const struct file_operations name## _ops = { \
50 .read = name## _read, \
51 .open = wl1271_open_file_generic, \
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 wl1271 *wl = file->private_data; \
78 wl1271_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 = wl1271_open_file_generic, \
90 #define DEBUGFS_FWSTATS_ADD(sub, name) \
91 DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics)
93 #define DEBUGFS_FWSTATS_DEL(sub, name) \
94 DEBUGFS_DEL(sub## _ ##name)
96 static void wl1271_debugfs_update_stats(struct wl1271 *wl)
100 mutex_lock(&wl->mutex);
102 ret = wl1271_ps_elp_wakeup(wl, false);
106 if (wl->state == WL1271_STATE_ON &&
107 time_after(jiffies, wl->stats.fw_stats_update +
108 msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
109 wl1271_acx_statistics(wl, wl->stats.fw_stats);
110 wl->stats.fw_stats_update = jiffies;
113 wl1271_ps_elp_sleep(wl);
116 mutex_unlock(&wl->mutex);
119 static int wl1271_open_file_generic(struct inode *inode, struct file *file)
121 file->private_data = inode->i_private;
125 DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u");
127 DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u");
128 DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u");
129 DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u");
130 DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u");
131 DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u");
132 DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u");
133 DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u");
134 DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u");
136 DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u");
137 DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u");
138 DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u");
139 DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u");
141 DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u");
142 DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u");
143 DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u");
144 DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u");
145 DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u");
146 DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u");
147 DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u");
148 DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u");
149 DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u");
150 DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u");
151 DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u");
152 DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u");
153 DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u");
154 DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u");
155 DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u");
156 DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u");
157 DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u");
158 DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u");
160 DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u");
161 DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u");
162 /* skipping wep.reserved */
163 DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u");
164 DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u");
165 DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u");
166 DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u");
168 DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u");
169 DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u");
170 DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u");
171 DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u");
172 DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u");
173 DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u");
174 DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u");
175 DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u");
176 DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u");
177 DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u");
178 DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u");
179 DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u");
180 /* skipping cont_miss_bcns_spread for now */
181 DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u");
183 DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u");
184 DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u");
186 DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u");
187 DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u");
188 DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u");
189 DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u");
190 DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u");
191 DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u");
193 DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u");
194 DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u");
195 DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u");
196 DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u");
197 DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u");
198 DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u");
199 DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u");
200 DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u");
202 DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u");
203 DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u");
204 DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u");
205 DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u");
206 DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u");
207 DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u");
208 DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u");
210 DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u");
211 DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u");
212 DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data,
214 DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u");
215 DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u");
217 DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count);
218 DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u",
219 wl->stats.excessive_retries);
221 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
222 size_t count, loff_t *ppos)
224 struct wl1271 *wl = file->private_data;
229 queue_len = skb_queue_len(&wl->tx_queue);
231 res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
232 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
235 static const struct file_operations tx_queue_len_ops = {
236 .read = tx_queue_len_read,
237 .open = wl1271_open_file_generic,
240 static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
241 size_t count, loff_t *ppos)
243 struct wl1271 *wl = file->private_data;
244 bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
249 res = scnprintf(buf, sizeof(buf), "%d\n", state);
251 return simple_read_from_buffer(user_buf, count, ppos, buf, res);
254 static ssize_t gpio_power_write(struct file *file,
255 const char __user *user_buf,
256 size_t count, loff_t *ppos)
258 struct wl1271 *wl = file->private_data;
264 mutex_lock(&wl->mutex);
266 len = min(count, sizeof(buf) - 1);
267 if (copy_from_user(buf, user_buf, len)) {
273 ret = strict_strtoul(buf, 0, &value);
275 wl1271_warning("illegal value in gpio_power");
281 set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
283 wl->set_power(false);
284 clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
288 mutex_unlock(&wl->mutex);
292 static const struct file_operations gpio_power_ops = {
293 .read = gpio_power_read,
294 .write = gpio_power_write,
295 .open = wl1271_open_file_generic
298 static void wl1271_debugfs_delete_files(struct wl1271 *wl)
300 DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow);
302 DEBUGFS_FWSTATS_DEL(rx, out_of_mem);
303 DEBUGFS_FWSTATS_DEL(rx, hdr_overflow);
304 DEBUGFS_FWSTATS_DEL(rx, hw_stuck);
305 DEBUGFS_FWSTATS_DEL(rx, dropped);
306 DEBUGFS_FWSTATS_DEL(rx, fcs_err);
307 DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig);
308 DEBUGFS_FWSTATS_DEL(rx, path_reset);
309 DEBUGFS_FWSTATS_DEL(rx, reset_counter);
311 DEBUGFS_FWSTATS_DEL(dma, rx_requested);
312 DEBUGFS_FWSTATS_DEL(dma, rx_errors);
313 DEBUGFS_FWSTATS_DEL(dma, tx_requested);
314 DEBUGFS_FWSTATS_DEL(dma, tx_errors);
316 DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt);
317 DEBUGFS_FWSTATS_DEL(isr, fiqs);
318 DEBUGFS_FWSTATS_DEL(isr, rx_headers);
319 DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow);
320 DEBUGFS_FWSTATS_DEL(isr, rx_rdys);
321 DEBUGFS_FWSTATS_DEL(isr, irqs);
322 DEBUGFS_FWSTATS_DEL(isr, tx_procs);
323 DEBUGFS_FWSTATS_DEL(isr, decrypt_done);
324 DEBUGFS_FWSTATS_DEL(isr, dma0_done);
325 DEBUGFS_FWSTATS_DEL(isr, dma1_done);
326 DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete);
327 DEBUGFS_FWSTATS_DEL(isr, commands);
328 DEBUGFS_FWSTATS_DEL(isr, rx_procs);
329 DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes);
330 DEBUGFS_FWSTATS_DEL(isr, host_acknowledges);
331 DEBUGFS_FWSTATS_DEL(isr, pci_pm);
332 DEBUGFS_FWSTATS_DEL(isr, wakeups);
333 DEBUGFS_FWSTATS_DEL(isr, low_rssi);
335 DEBUGFS_FWSTATS_DEL(wep, addr_key_count);
336 DEBUGFS_FWSTATS_DEL(wep, default_key_count);
337 /* skipping wep.reserved */
338 DEBUGFS_FWSTATS_DEL(wep, key_not_found);
339 DEBUGFS_FWSTATS_DEL(wep, decrypt_fail);
340 DEBUGFS_FWSTATS_DEL(wep, packets);
341 DEBUGFS_FWSTATS_DEL(wep, interrupt);
343 DEBUGFS_FWSTATS_DEL(pwr, ps_enter);
344 DEBUGFS_FWSTATS_DEL(pwr, elp_enter);
345 DEBUGFS_FWSTATS_DEL(pwr, missing_bcns);
346 DEBUGFS_FWSTATS_DEL(pwr, wake_on_host);
347 DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp);
348 DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps);
349 DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps);
350 DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons);
351 DEBUGFS_FWSTATS_DEL(pwr, power_save_off);
352 DEBUGFS_FWSTATS_DEL(pwr, enable_ps);
353 DEBUGFS_FWSTATS_DEL(pwr, disable_ps);
354 DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps);
355 /* skipping cont_miss_bcns_spread for now */
356 DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons);
358 DEBUGFS_FWSTATS_DEL(mic, rx_pkts);
359 DEBUGFS_FWSTATS_DEL(mic, calc_failure);
361 DEBUGFS_FWSTATS_DEL(aes, encrypt_fail);
362 DEBUGFS_FWSTATS_DEL(aes, decrypt_fail);
363 DEBUGFS_FWSTATS_DEL(aes, encrypt_packets);
364 DEBUGFS_FWSTATS_DEL(aes, decrypt_packets);
365 DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt);
366 DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt);
368 DEBUGFS_FWSTATS_DEL(event, heart_beat);
369 DEBUGFS_FWSTATS_DEL(event, calibration);
370 DEBUGFS_FWSTATS_DEL(event, rx_mismatch);
371 DEBUGFS_FWSTATS_DEL(event, rx_mem_empty);
372 DEBUGFS_FWSTATS_DEL(event, rx_pool);
373 DEBUGFS_FWSTATS_DEL(event, oom_late);
374 DEBUGFS_FWSTATS_DEL(event, phy_transmit_error);
375 DEBUGFS_FWSTATS_DEL(event, tx_stuck);
377 DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts);
378 DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts);
379 DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime);
380 DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn);
381 DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn);
382 DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization);
383 DEBUGFS_FWSTATS_DEL(ps, upsd_utilization);
385 DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop);
386 DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data);
387 DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
388 DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data);
389 DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data);
391 DEBUGFS_DEL(tx_queue_len);
392 DEBUGFS_DEL(retry_count);
393 DEBUGFS_DEL(excessive_retries);
395 DEBUGFS_DEL(gpio_power);
398 static int wl1271_debugfs_add_files(struct wl1271 *wl)
402 DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
404 DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
405 DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
406 DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
407 DEBUGFS_FWSTATS_ADD(rx, dropped);
408 DEBUGFS_FWSTATS_ADD(rx, fcs_err);
409 DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
410 DEBUGFS_FWSTATS_ADD(rx, path_reset);
411 DEBUGFS_FWSTATS_ADD(rx, reset_counter);
413 DEBUGFS_FWSTATS_ADD(dma, rx_requested);
414 DEBUGFS_FWSTATS_ADD(dma, rx_errors);
415 DEBUGFS_FWSTATS_ADD(dma, tx_requested);
416 DEBUGFS_FWSTATS_ADD(dma, tx_errors);
418 DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
419 DEBUGFS_FWSTATS_ADD(isr, fiqs);
420 DEBUGFS_FWSTATS_ADD(isr, rx_headers);
421 DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
422 DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
423 DEBUGFS_FWSTATS_ADD(isr, irqs);
424 DEBUGFS_FWSTATS_ADD(isr, tx_procs);
425 DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
426 DEBUGFS_FWSTATS_ADD(isr, dma0_done);
427 DEBUGFS_FWSTATS_ADD(isr, dma1_done);
428 DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
429 DEBUGFS_FWSTATS_ADD(isr, commands);
430 DEBUGFS_FWSTATS_ADD(isr, rx_procs);
431 DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
432 DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
433 DEBUGFS_FWSTATS_ADD(isr, pci_pm);
434 DEBUGFS_FWSTATS_ADD(isr, wakeups);
435 DEBUGFS_FWSTATS_ADD(isr, low_rssi);
437 DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
438 DEBUGFS_FWSTATS_ADD(wep, default_key_count);
439 /* skipping wep.reserved */
440 DEBUGFS_FWSTATS_ADD(wep, key_not_found);
441 DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
442 DEBUGFS_FWSTATS_ADD(wep, packets);
443 DEBUGFS_FWSTATS_ADD(wep, interrupt);
445 DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
446 DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
447 DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
448 DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
449 DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
450 DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
451 DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
452 DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
453 DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
454 DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
455 DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
456 DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
457 /* skipping cont_miss_bcns_spread for now */
458 DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
460 DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
461 DEBUGFS_FWSTATS_ADD(mic, calc_failure);
463 DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
464 DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
465 DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
466 DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
467 DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
468 DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
470 DEBUGFS_FWSTATS_ADD(event, heart_beat);
471 DEBUGFS_FWSTATS_ADD(event, calibration);
472 DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
473 DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
474 DEBUGFS_FWSTATS_ADD(event, rx_pool);
475 DEBUGFS_FWSTATS_ADD(event, oom_late);
476 DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
477 DEBUGFS_FWSTATS_ADD(event, tx_stuck);
479 DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
480 DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
481 DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
482 DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
483 DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
484 DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
485 DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
487 DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
488 DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
489 DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
490 DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
491 DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
493 DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir);
494 DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
495 DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);
497 DEBUGFS_ADD(gpio_power, wl->debugfs.rootdir);
501 wl1271_debugfs_delete_files(wl);
506 void wl1271_debugfs_reset(struct wl1271 *wl)
508 memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
509 wl->stats.retry_count = 0;
510 wl->stats.excessive_retries = 0;
513 int wl1271_debugfs_init(struct wl1271 *wl)
517 wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
519 if (IS_ERR(wl->debugfs.rootdir)) {
520 ret = PTR_ERR(wl->debugfs.rootdir);
521 wl->debugfs.rootdir = NULL;
525 wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics",
526 wl->debugfs.rootdir);
528 if (IS_ERR(wl->debugfs.fw_statistics)) {
529 ret = PTR_ERR(wl->debugfs.fw_statistics);
530 wl->debugfs.fw_statistics = NULL;
534 wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
537 if (!wl->stats.fw_stats) {
542 wl->stats.fw_stats_update = jiffies;
544 ret = wl1271_debugfs_add_files(wl);
552 kfree(wl->stats.fw_stats);
553 wl->stats.fw_stats = NULL;
556 debugfs_remove(wl->debugfs.fw_statistics);
557 wl->debugfs.fw_statistics = NULL;
560 debugfs_remove(wl->debugfs.rootdir);
561 wl->debugfs.rootdir = NULL;
567 void wl1271_debugfs_exit(struct wl1271 *wl)
569 wl1271_debugfs_delete_files(wl);
571 kfree(wl->stats.fw_stats);
572 wl->stats.fw_stats = NULL;
574 debugfs_remove(wl->debugfs.fw_statistics);
575 wl->debugfs.fw_statistics = NULL;
577 debugfs_remove(wl->debugfs.rootdir);
578 wl->debugfs.rootdir = NULL;