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22#include "debugfs.h"
23
24#include <linux/skbuff.h>
25#include <linux/slab.h>
26
27#include "wl1251.h"
28#include "acx.h"
29#include "ps.h"
30
31
32#define WL1251_DEBUGFS_STATS_LIFETIME 1000
33
34
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 wl1251 *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 = simple_open, \
51 .llseek = generic_file_llseek, \
52};
53
54#define DEBUGFS_ADD(name, parent) \
55 wl->debugfs.name = debugfs_create_file(#name, 0400, parent, \
56 wl, &name## _ops); \
57 if (IS_ERR(wl->debugfs.name)) { \
58 ret = PTR_ERR(wl->debugfs.name); \
59 wl->debugfs.name = NULL; \
60 goto out; \
61 }
62
63#define DEBUGFS_DEL(name) \
64 do { \
65 debugfs_remove(wl->debugfs.name); \
66 wl->debugfs.name = NULL; \
67 } while (0)
68
69#define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt) \
70static ssize_t sub## _ ##name## _read(struct file *file, \
71 char __user *userbuf, \
72 size_t count, loff_t *ppos) \
73{ \
74 struct wl1251 *wl = file->private_data; \
75 char buf[buflen]; \
76 int res; \
77 \
78 wl1251_debugfs_update_stats(wl); \
79 \
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); \
83} \
84 \
85static const struct file_operations sub## _ ##name## _ops = { \
86 .read = sub## _ ##name## _read, \
87 .open = simple_open, \
88 .llseek = generic_file_llseek, \
89};
90
91#define DEBUGFS_FWSTATS_ADD(sub, name) \
92 DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics)
93
94#define DEBUGFS_FWSTATS_DEL(sub, name) \
95 DEBUGFS_DEL(sub## _ ##name)
96
97static void wl1251_debugfs_update_stats(struct wl1251 *wl)
98{
99 int ret;
100
101 mutex_lock(&wl->mutex);
102
103 ret = wl1251_ps_elp_wakeup(wl);
104 if (ret < 0)
105 goto out;
106
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;
112 }
113
114 wl1251_ps_elp_sleep(wl);
115
116out:
117 mutex_unlock(&wl->mutex);
118}
119
120DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u");
121
122DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u");
123DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u");
124DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u");
125DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u");
126DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u");
127DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u");
128DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u");
129DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u");
130
131DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u");
132DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u");
133DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u");
134DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u");
135
136DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u");
137DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u");
138DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u");
139DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u");
140DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u");
141DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u");
142DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u");
143DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u");
144DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u");
145DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u");
146DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u");
147DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u");
148DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u");
149DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u");
150DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u");
151DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u");
152DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u");
153DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u");
154
155DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u");
156DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u");
157
158DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u");
159DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u");
160DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u");
161DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u");
162
163DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u");
164DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u");
165DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u");
166DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u");
167DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u");
168DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u");
169DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u");
170DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u");
171DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u");
172DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u");
173DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u");
174DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u");
175
176DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u");
177
178DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u");
179DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u");
180
181DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u");
182DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u");
183DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u");
184DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u");
185DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u");
186DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u");
187
188DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u");
189DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u");
190DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u");
191DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u");
192DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u");
193DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u");
194DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u");
195DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u");
196
197DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u");
198DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u");
199DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u");
200DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u");
201DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u");
202DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u");
203DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u");
204
205DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u");
206DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u");
207DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data,
208 20, "%u");
209DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u");
210DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u");
211
212DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count);
213DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u",
214 wl->stats.excessive_retries);
215
216static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
217 size_t count, loff_t *ppos)
218{
219 struct wl1251 *wl = file->private_data;
220 u32 queue_len;
221 char buf[20];
222 int res;
223
224 queue_len = skb_queue_len(&wl->tx_queue);
225
226 res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
227 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
228}
229
230static const struct file_operations tx_queue_len_ops = {
231 .read = tx_queue_len_read,
232 .open = simple_open,
233 .llseek = generic_file_llseek,
234};
235
236static ssize_t tx_queue_status_read(struct file *file, char __user *userbuf,
237 size_t count, loff_t *ppos)
238{
239 struct wl1251 *wl = file->private_data;
240 char buf[3], status;
241 int len;
242
243 if (wl->tx_queue_stopped)
244 status = 's';
245 else
246 status = 'r';
247
248 len = scnprintf(buf, sizeof(buf), "%c\n", status);
249 return simple_read_from_buffer(userbuf, count, ppos, buf, len);
250}
251
252static const struct file_operations tx_queue_status_ops = {
253 .read = tx_queue_status_read,
254 .open = simple_open,
255 .llseek = generic_file_llseek,
256};
257
258static void wl1251_debugfs_delete_files(struct wl1251 *wl)
259{
260 DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow);
261
262 DEBUGFS_FWSTATS_DEL(rx, out_of_mem);
263 DEBUGFS_FWSTATS_DEL(rx, hdr_overflow);
264 DEBUGFS_FWSTATS_DEL(rx, hw_stuck);
265 DEBUGFS_FWSTATS_DEL(rx, dropped);
266 DEBUGFS_FWSTATS_DEL(rx, fcs_err);
267 DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig);
268 DEBUGFS_FWSTATS_DEL(rx, path_reset);
269 DEBUGFS_FWSTATS_DEL(rx, reset_counter);
270
271 DEBUGFS_FWSTATS_DEL(dma, rx_requested);
272 DEBUGFS_FWSTATS_DEL(dma, rx_errors);
273 DEBUGFS_FWSTATS_DEL(dma, tx_requested);
274 DEBUGFS_FWSTATS_DEL(dma, tx_errors);
275
276 DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt);
277 DEBUGFS_FWSTATS_DEL(isr, fiqs);
278 DEBUGFS_FWSTATS_DEL(isr, rx_headers);
279 DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow);
280 DEBUGFS_FWSTATS_DEL(isr, rx_rdys);
281 DEBUGFS_FWSTATS_DEL(isr, irqs);
282 DEBUGFS_FWSTATS_DEL(isr, tx_procs);
283 DEBUGFS_FWSTATS_DEL(isr, decrypt_done);
284 DEBUGFS_FWSTATS_DEL(isr, dma0_done);
285 DEBUGFS_FWSTATS_DEL(isr, dma1_done);
286 DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete);
287 DEBUGFS_FWSTATS_DEL(isr, commands);
288 DEBUGFS_FWSTATS_DEL(isr, rx_procs);
289 DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes);
290 DEBUGFS_FWSTATS_DEL(isr, host_acknowledges);
291 DEBUGFS_FWSTATS_DEL(isr, pci_pm);
292 DEBUGFS_FWSTATS_DEL(isr, wakeups);
293 DEBUGFS_FWSTATS_DEL(isr, low_rssi);
294
295 DEBUGFS_FWSTATS_DEL(wep, addr_key_count);
296 DEBUGFS_FWSTATS_DEL(wep, default_key_count);
297
298 DEBUGFS_FWSTATS_DEL(wep, key_not_found);
299 DEBUGFS_FWSTATS_DEL(wep, decrypt_fail);
300 DEBUGFS_FWSTATS_DEL(wep, packets);
301 DEBUGFS_FWSTATS_DEL(wep, interrupt);
302
303 DEBUGFS_FWSTATS_DEL(pwr, ps_enter);
304 DEBUGFS_FWSTATS_DEL(pwr, elp_enter);
305 DEBUGFS_FWSTATS_DEL(pwr, missing_bcns);
306 DEBUGFS_FWSTATS_DEL(pwr, wake_on_host);
307 DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp);
308 DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps);
309 DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps);
310 DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons);
311 DEBUGFS_FWSTATS_DEL(pwr, power_save_off);
312 DEBUGFS_FWSTATS_DEL(pwr, enable_ps);
313 DEBUGFS_FWSTATS_DEL(pwr, disable_ps);
314 DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps);
315
316 DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons);
317
318 DEBUGFS_FWSTATS_DEL(mic, rx_pkts);
319 DEBUGFS_FWSTATS_DEL(mic, calc_failure);
320
321 DEBUGFS_FWSTATS_DEL(aes, encrypt_fail);
322 DEBUGFS_FWSTATS_DEL(aes, decrypt_fail);
323 DEBUGFS_FWSTATS_DEL(aes, encrypt_packets);
324 DEBUGFS_FWSTATS_DEL(aes, decrypt_packets);
325 DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt);
326 DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt);
327
328 DEBUGFS_FWSTATS_DEL(event, heart_beat);
329 DEBUGFS_FWSTATS_DEL(event, calibration);
330 DEBUGFS_FWSTATS_DEL(event, rx_mismatch);
331 DEBUGFS_FWSTATS_DEL(event, rx_mem_empty);
332 DEBUGFS_FWSTATS_DEL(event, rx_pool);
333 DEBUGFS_FWSTATS_DEL(event, oom_late);
334 DEBUGFS_FWSTATS_DEL(event, phy_transmit_error);
335 DEBUGFS_FWSTATS_DEL(event, tx_stuck);
336
337 DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts);
338 DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts);
339 DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime);
340 DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn);
341 DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn);
342 DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization);
343 DEBUGFS_FWSTATS_DEL(ps, upsd_utilization);
344
345 DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop);
346 DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data);
347 DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
348 DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data);
349 DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data);
350
351 DEBUGFS_DEL(tx_queue_len);
352 DEBUGFS_DEL(tx_queue_status);
353 DEBUGFS_DEL(retry_count);
354 DEBUGFS_DEL(excessive_retries);
355}
356
357static int wl1251_debugfs_add_files(struct wl1251 *wl)
358{
359 int ret = 0;
360
361 DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
362
363 DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
364 DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
365 DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
366 DEBUGFS_FWSTATS_ADD(rx, dropped);
367 DEBUGFS_FWSTATS_ADD(rx, fcs_err);
368 DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
369 DEBUGFS_FWSTATS_ADD(rx, path_reset);
370 DEBUGFS_FWSTATS_ADD(rx, reset_counter);
371
372 DEBUGFS_FWSTATS_ADD(dma, rx_requested);
373 DEBUGFS_FWSTATS_ADD(dma, rx_errors);
374 DEBUGFS_FWSTATS_ADD(dma, tx_requested);
375 DEBUGFS_FWSTATS_ADD(dma, tx_errors);
376
377 DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
378 DEBUGFS_FWSTATS_ADD(isr, fiqs);
379 DEBUGFS_FWSTATS_ADD(isr, rx_headers);
380 DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
381 DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
382 DEBUGFS_FWSTATS_ADD(isr, irqs);
383 DEBUGFS_FWSTATS_ADD(isr, tx_procs);
384 DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
385 DEBUGFS_FWSTATS_ADD(isr, dma0_done);
386 DEBUGFS_FWSTATS_ADD(isr, dma1_done);
387 DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
388 DEBUGFS_FWSTATS_ADD(isr, commands);
389 DEBUGFS_FWSTATS_ADD(isr, rx_procs);
390 DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
391 DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
392 DEBUGFS_FWSTATS_ADD(isr, pci_pm);
393 DEBUGFS_FWSTATS_ADD(isr, wakeups);
394 DEBUGFS_FWSTATS_ADD(isr, low_rssi);
395
396 DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
397 DEBUGFS_FWSTATS_ADD(wep, default_key_count);
398
399 DEBUGFS_FWSTATS_ADD(wep, key_not_found);
400 DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
401 DEBUGFS_FWSTATS_ADD(wep, packets);
402 DEBUGFS_FWSTATS_ADD(wep, interrupt);
403
404 DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
405 DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
406 DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
407 DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
408 DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
409 DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
410 DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
411 DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
412 DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
413 DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
414 DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
415 DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
416
417 DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
418
419 DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
420 DEBUGFS_FWSTATS_ADD(mic, calc_failure);
421
422 DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
423 DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
424 DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
425 DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
426 DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
427 DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
428
429 DEBUGFS_FWSTATS_ADD(event, heart_beat);
430 DEBUGFS_FWSTATS_ADD(event, calibration);
431 DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
432 DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
433 DEBUGFS_FWSTATS_ADD(event, rx_pool);
434 DEBUGFS_FWSTATS_ADD(event, oom_late);
435 DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
436 DEBUGFS_FWSTATS_ADD(event, tx_stuck);
437
438 DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
439 DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
440 DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
441 DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
442 DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
443 DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
444 DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
445
446 DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
447 DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
448 DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
449 DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
450 DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
451
452 DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir);
453 DEBUGFS_ADD(tx_queue_status, wl->debugfs.rootdir);
454 DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
455 DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);
456
457out:
458 if (ret < 0)
459 wl1251_debugfs_delete_files(wl);
460
461 return ret;
462}
463
464void wl1251_debugfs_reset(struct wl1251 *wl)
465{
466 if (wl->stats.fw_stats != NULL)
467 memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
468 wl->stats.retry_count = 0;
469 wl->stats.excessive_retries = 0;
470}
471
472int wl1251_debugfs_init(struct wl1251 *wl)
473{
474 int ret;
475
476 wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
477
478 if (IS_ERR(wl->debugfs.rootdir)) {
479 ret = PTR_ERR(wl->debugfs.rootdir);
480 wl->debugfs.rootdir = NULL;
481 goto err;
482 }
483
484 wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics",
485 wl->debugfs.rootdir);
486
487 if (IS_ERR(wl->debugfs.fw_statistics)) {
488 ret = PTR_ERR(wl->debugfs.fw_statistics);
489 wl->debugfs.fw_statistics = NULL;
490 goto err_root;
491 }
492
493 wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
494 GFP_KERNEL);
495
496 if (!wl->stats.fw_stats) {
497 ret = -ENOMEM;
498 goto err_fw;
499 }
500
501 wl->stats.fw_stats_update = jiffies;
502
503 ret = wl1251_debugfs_add_files(wl);
504
505 if (ret < 0)
506 goto err_file;
507
508 return 0;
509
510err_file:
511 kfree(wl->stats.fw_stats);
512 wl->stats.fw_stats = NULL;
513
514err_fw:
515 debugfs_remove(wl->debugfs.fw_statistics);
516 wl->debugfs.fw_statistics = NULL;
517
518err_root:
519 debugfs_remove(wl->debugfs.rootdir);
520 wl->debugfs.rootdir = NULL;
521
522err:
523 return ret;
524}
525
526void wl1251_debugfs_exit(struct wl1251 *wl)
527{
528 wl1251_debugfs_delete_files(wl);
529
530 kfree(wl->stats.fw_stats);
531 wl->stats.fw_stats = NULL;
532
533 debugfs_remove(wl->debugfs.fw_statistics);
534 wl->debugfs.fw_statistics = NULL;
535
536 debugfs_remove(wl->debugfs.rootdir);
537 wl->debugfs.rootdir = NULL;
538
539}
540
