1 /*
2 * This file is part of wl1271
3 *
4 * Copyright (C) 2009 Nokia Corporation
5 *
6 * Contact: Luciano Coelho <luciano.coelho@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 #include <linux/slab.h>
28
29 #include "wl12xx.h"
30 #include "debug.h"
31 #include "acx.h"
32 #include "ps.h"
33 #include "io.h"
34 #include "tx.h"
35
36 /* ms */
37 #define WL1271_DEBUGFS_STATS_LIFETIME 1000
38
39 /* debugfs macros idea from mac80211 */
40 #define DEBUGFS_FORMAT_BUFFER_SIZE 100
wl1271_format_buffer(char __user * userbuf,size_t count,loff_t * ppos,char * fmt,...)41 static int wl1271_format_buffer(char __user *userbuf, size_t count,
42 loff_t *ppos, char *fmt, ...)
43 {
44 va_list args;
45 char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
46 int res;
47
48 va_start(args, fmt);
49 res = vscnprintf(buf, sizeof(buf), fmt, args);
50 va_end(args);
51
52 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
53 }
54
55 #define DEBUGFS_READONLY_FILE(name, fmt, value...) \
56 static ssize_t name## _read(struct file *file, char __user *userbuf, \
57 size_t count, loff_t *ppos) \
58 { \
59 struct wl1271 *wl = file->private_data; \
60 return wl1271_format_buffer(userbuf, count, ppos, \
61 fmt "\n", ##value); \
62 } \
63 \
64 static const struct file_operations name## _ops = { \
65 .read = name## _read, \
66 .open = simple_open, \
67 .llseek = generic_file_llseek, \
68 };
69
70 #define DEBUGFS_ADD(name, parent) \
71 entry = debugfs_create_file(#name, 0400, parent, \
72 wl, &name## _ops); \
73 if (!entry || IS_ERR(entry)) \
74 goto err; \
75
76 #define DEBUGFS_ADD_PREFIX(prefix, name, parent) \
77 do { \
78 entry = debugfs_create_file(#name, 0400, parent, \
79 wl, &prefix## _## name## _ops); \
80 if (!entry || IS_ERR(entry)) \
81 goto err; \
82 } while (0);
83
84 #define DEBUGFS_FWSTATS_FILE(sub, name, fmt) \
85 static ssize_t sub## _ ##name## _read(struct file *file, \
86 char __user *userbuf, \
87 size_t count, loff_t *ppos) \
88 { \
89 struct wl1271 *wl = file->private_data; \
90 \
91 wl1271_debugfs_update_stats(wl); \
92 \
93 return wl1271_format_buffer(userbuf, count, ppos, fmt "\n", \
94 wl->stats.fw_stats->sub.name); \
95 } \
96 \
97 static const struct file_operations sub## _ ##name## _ops = { \
98 .read = sub## _ ##name## _read, \
99 .open = simple_open, \
100 .llseek = generic_file_llseek, \
101 };
102
103 #define DEBUGFS_FWSTATS_ADD(sub, name) \
104 DEBUGFS_ADD(sub## _ ##name, stats)
105
wl1271_debugfs_update_stats(struct wl1271 * wl)106 static void wl1271_debugfs_update_stats(struct wl1271 *wl)
107 {
108 int ret;
109
110 mutex_lock(&wl->mutex);
111
112 ret = wl1271_ps_elp_wakeup(wl);
113 if (ret < 0)
114 goto out;
115
116 if (wl->state == WL1271_STATE_ON && !wl->plt &&
117 time_after(jiffies, wl->stats.fw_stats_update +
118 msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
119 wl1271_acx_statistics(wl, wl->stats.fw_stats);
120 wl->stats.fw_stats_update = jiffies;
121 }
122
123 wl1271_ps_elp_sleep(wl);
124
125 out:
126 mutex_unlock(&wl->mutex);
127 }
128
129 DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, "%u");
130
131 DEBUGFS_FWSTATS_FILE(rx, out_of_mem, "%u");
132 DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, "%u");
133 DEBUGFS_FWSTATS_FILE(rx, hw_stuck, "%u");
134 DEBUGFS_FWSTATS_FILE(rx, dropped, "%u");
135 DEBUGFS_FWSTATS_FILE(rx, fcs_err, "%u");
136 DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, "%u");
137 DEBUGFS_FWSTATS_FILE(rx, path_reset, "%u");
138 DEBUGFS_FWSTATS_FILE(rx, reset_counter, "%u");
139
140 DEBUGFS_FWSTATS_FILE(dma, rx_requested, "%u");
141 DEBUGFS_FWSTATS_FILE(dma, rx_errors, "%u");
142 DEBUGFS_FWSTATS_FILE(dma, tx_requested, "%u");
143 DEBUGFS_FWSTATS_FILE(dma, tx_errors, "%u");
144
145 DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, "%u");
146 DEBUGFS_FWSTATS_FILE(isr, fiqs, "%u");
147 DEBUGFS_FWSTATS_FILE(isr, rx_headers, "%u");
148 DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, "%u");
149 DEBUGFS_FWSTATS_FILE(isr, rx_rdys, "%u");
150 DEBUGFS_FWSTATS_FILE(isr, irqs, "%u");
151 DEBUGFS_FWSTATS_FILE(isr, tx_procs, "%u");
152 DEBUGFS_FWSTATS_FILE(isr, decrypt_done, "%u");
153 DEBUGFS_FWSTATS_FILE(isr, dma0_done, "%u");
154 DEBUGFS_FWSTATS_FILE(isr, dma1_done, "%u");
155 DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, "%u");
156 DEBUGFS_FWSTATS_FILE(isr, commands, "%u");
157 DEBUGFS_FWSTATS_FILE(isr, rx_procs, "%u");
158 DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, "%u");
159 DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, "%u");
160 DEBUGFS_FWSTATS_FILE(isr, pci_pm, "%u");
161 DEBUGFS_FWSTATS_FILE(isr, wakeups, "%u");
162 DEBUGFS_FWSTATS_FILE(isr, low_rssi, "%u");
163
164 DEBUGFS_FWSTATS_FILE(wep, addr_key_count, "%u");
165 DEBUGFS_FWSTATS_FILE(wep, default_key_count, "%u");
166 /* skipping wep.reserved */
167 DEBUGFS_FWSTATS_FILE(wep, key_not_found, "%u");
168 DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, "%u");
169 DEBUGFS_FWSTATS_FILE(wep, packets, "%u");
170 DEBUGFS_FWSTATS_FILE(wep, interrupt, "%u");
171
172 DEBUGFS_FWSTATS_FILE(pwr, ps_enter, "%u");
173 DEBUGFS_FWSTATS_FILE(pwr, elp_enter, "%u");
174 DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, "%u");
175 DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, "%u");
176 DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, "%u");
177 DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, "%u");
178 DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, "%u");
179 DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, "%u");
180 DEBUGFS_FWSTATS_FILE(pwr, power_save_off, "%u");
181 DEBUGFS_FWSTATS_FILE(pwr, enable_ps, "%u");
182 DEBUGFS_FWSTATS_FILE(pwr, disable_ps, "%u");
183 DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, "%u");
184 /* skipping cont_miss_bcns_spread for now */
185 DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, "%u");
186
187 DEBUGFS_FWSTATS_FILE(mic, rx_pkts, "%u");
188 DEBUGFS_FWSTATS_FILE(mic, calc_failure, "%u");
189
190 DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, "%u");
191 DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, "%u");
192 DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, "%u");
193 DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, "%u");
194 DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, "%u");
195 DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, "%u");
196
197 DEBUGFS_FWSTATS_FILE(event, heart_beat, "%u");
198 DEBUGFS_FWSTATS_FILE(event, calibration, "%u");
199 DEBUGFS_FWSTATS_FILE(event, rx_mismatch, "%u");
200 DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, "%u");
201 DEBUGFS_FWSTATS_FILE(event, rx_pool, "%u");
202 DEBUGFS_FWSTATS_FILE(event, oom_late, "%u");
203 DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, "%u");
204 DEBUGFS_FWSTATS_FILE(event, tx_stuck, "%u");
205
206 DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, "%u");
207 DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, "%u");
208 DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, "%u");
209 DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, "%u");
210 DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, "%u");
211 DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, "%u");
212 DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, "%u");
213
214 DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, "%u");
215 DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, "%u");
216 DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, "%u");
217 DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, "%u");
218 DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, "%u");
219
220 DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
221 DEBUGFS_READONLY_FILE(excessive_retries, "%u",
222 wl->stats.excessive_retries);
223
tx_queue_len_read(struct file * file,char __user * userbuf,size_t count,loff_t * ppos)224 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
225 size_t count, loff_t *ppos)
226 {
227 struct wl1271 *wl = file->private_data;
228 u32 queue_len;
229 char buf[20];
230 int res;
231
232 queue_len = wl1271_tx_total_queue_count(wl);
233
234 res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
235 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
236 }
237
238 static const struct file_operations tx_queue_len_ops = {
239 .read = tx_queue_len_read,
240 .open = simple_open,
241 .llseek = default_llseek,
242 };
243
gpio_power_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)244 static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
245 size_t count, loff_t *ppos)
246 {
247 struct wl1271 *wl = file->private_data;
248 bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
249
250 int res;
251 char buf[10];
252
253 res = scnprintf(buf, sizeof(buf), "%d\n", state);
254
255 return simple_read_from_buffer(user_buf, count, ppos, buf, res);
256 }
257
gpio_power_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)258 static ssize_t gpio_power_write(struct file *file,
259 const char __user *user_buf,
260 size_t count, loff_t *ppos)
261 {
262 struct wl1271 *wl = file->private_data;
263 unsigned long value;
264 int ret;
265
266 ret = kstrtoul_from_user(user_buf, count, 10, &value);
267 if (ret < 0) {
268 wl1271_warning("illegal value in gpio_power");
269 return -EINVAL;
270 }
271
272 mutex_lock(&wl->mutex);
273
274 if (value)
275 wl1271_power_on(wl);
276 else
277 wl1271_power_off(wl);
278
279 mutex_unlock(&wl->mutex);
280 return count;
281 }
282
283 static const struct file_operations gpio_power_ops = {
284 .read = gpio_power_read,
285 .write = gpio_power_write,
286 .open = simple_open,
287 .llseek = default_llseek,
288 };
289
start_recovery_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)290 static ssize_t start_recovery_write(struct file *file,
291 const char __user *user_buf,
292 size_t count, loff_t *ppos)
293 {
294 struct wl1271 *wl = file->private_data;
295
296 mutex_lock(&wl->mutex);
297 wl12xx_queue_recovery_work(wl);
298 mutex_unlock(&wl->mutex);
299
300 return count;
301 }
302
303 static const struct file_operations start_recovery_ops = {
304 .write = start_recovery_write,
305 .open = simple_open,
306 .llseek = default_llseek,
307 };
308
dynamic_ps_timeout_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)309 static ssize_t dynamic_ps_timeout_read(struct file *file, char __user *user_buf,
310 size_t count, loff_t *ppos)
311 {
312 struct wl1271 *wl = file->private_data;
313
314 return wl1271_format_buffer(user_buf, count,
315 ppos, "%d\n",
316 wl->conf.conn.dynamic_ps_timeout);
317 }
318
dynamic_ps_timeout_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)319 static ssize_t dynamic_ps_timeout_write(struct file *file,
320 const char __user *user_buf,
321 size_t count, loff_t *ppos)
322 {
323 struct wl1271 *wl = file->private_data;
324 struct wl12xx_vif *wlvif;
325 unsigned long value;
326 int ret;
327
328 ret = kstrtoul_from_user(user_buf, count, 10, &value);
329 if (ret < 0) {
330 wl1271_warning("illegal value in dynamic_ps");
331 return -EINVAL;
332 }
333
334 if (value < 1 || value > 65535) {
335 wl1271_warning("dyanmic_ps_timeout is not in valid range");
336 return -ERANGE;
337 }
338
339 mutex_lock(&wl->mutex);
340
341 wl->conf.conn.dynamic_ps_timeout = value;
342
343 if (wl->state == WL1271_STATE_OFF)
344 goto out;
345
346 ret = wl1271_ps_elp_wakeup(wl);
347 if (ret < 0)
348 goto out;
349
350 /* In case we're already in PSM, trigger it again to set new timeout
351 * immediately without waiting for re-association
352 */
353
354 wl12xx_for_each_wlvif_sta(wl, wlvif) {
355 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
356 wl1271_ps_set_mode(wl, wlvif, STATION_AUTO_PS_MODE);
357 }
358
359 wl1271_ps_elp_sleep(wl);
360
361 out:
362 mutex_unlock(&wl->mutex);
363 return count;
364 }
365
366 static const struct file_operations dynamic_ps_timeout_ops = {
367 .read = dynamic_ps_timeout_read,
368 .write = dynamic_ps_timeout_write,
369 .open = simple_open,
370 .llseek = default_llseek,
371 };
372
forced_ps_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)373 static ssize_t forced_ps_read(struct file *file, char __user *user_buf,
374 size_t count, loff_t *ppos)
375 {
376 struct wl1271 *wl = file->private_data;
377
378 return wl1271_format_buffer(user_buf, count,
379 ppos, "%d\n",
380 wl->conf.conn.forced_ps);
381 }
382
forced_ps_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)383 static ssize_t forced_ps_write(struct file *file,
384 const char __user *user_buf,
385 size_t count, loff_t *ppos)
386 {
387 struct wl1271 *wl = file->private_data;
388 struct wl12xx_vif *wlvif;
389 unsigned long value;
390 int ret, ps_mode;
391
392 ret = kstrtoul_from_user(user_buf, count, 10, &value);
393 if (ret < 0) {
394 wl1271_warning("illegal value in forced_ps");
395 return -EINVAL;
396 }
397
398 if (value != 1 && value != 0) {
399 wl1271_warning("forced_ps should be either 0 or 1");
400 return -ERANGE;
401 }
402
403 mutex_lock(&wl->mutex);
404
405 if (wl->conf.conn.forced_ps == value)
406 goto out;
407
408 wl->conf.conn.forced_ps = value;
409
410 if (wl->state == WL1271_STATE_OFF)
411 goto out;
412
413 ret = wl1271_ps_elp_wakeup(wl);
414 if (ret < 0)
415 goto out;
416
417 /* In case we're already in PSM, trigger it again to switch mode
418 * immediately without waiting for re-association
419 */
420
421 ps_mode = value ? STATION_POWER_SAVE_MODE : STATION_AUTO_PS_MODE;
422
423 wl12xx_for_each_wlvif_sta(wl, wlvif) {
424 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
425 wl1271_ps_set_mode(wl, wlvif, ps_mode);
426 }
427
428 wl1271_ps_elp_sleep(wl);
429
430 out:
431 mutex_unlock(&wl->mutex);
432 return count;
433 }
434
435 static const struct file_operations forced_ps_ops = {
436 .read = forced_ps_read,
437 .write = forced_ps_write,
438 .open = simple_open,
439 .llseek = default_llseek,
440 };
441
split_scan_timeout_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)442 static ssize_t split_scan_timeout_read(struct file *file, char __user *user_buf,
443 size_t count, loff_t *ppos)
444 {
445 struct wl1271 *wl = file->private_data;
446
447 return wl1271_format_buffer(user_buf, count,
448 ppos, "%d\n",
449 wl->conf.scan.split_scan_timeout / 1000);
450 }
451
split_scan_timeout_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)452 static ssize_t split_scan_timeout_write(struct file *file,
453 const char __user *user_buf,
454 size_t count, loff_t *ppos)
455 {
456 struct wl1271 *wl = file->private_data;
457 unsigned long value;
458 int ret;
459
460 ret = kstrtoul_from_user(user_buf, count, 10, &value);
461 if (ret < 0) {
462 wl1271_warning("illegal value in split_scan_timeout");
463 return -EINVAL;
464 }
465
466 if (value == 0)
467 wl1271_info("split scan will be disabled");
468
469 mutex_lock(&wl->mutex);
470
471 wl->conf.scan.split_scan_timeout = value * 1000;
472
473 mutex_unlock(&wl->mutex);
474 return count;
475 }
476
477 static const struct file_operations split_scan_timeout_ops = {
478 .read = split_scan_timeout_read,
479 .write = split_scan_timeout_write,
480 .open = simple_open,
481 .llseek = default_llseek,
482 };
483
driver_state_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)484 static ssize_t driver_state_read(struct file *file, char __user *user_buf,
485 size_t count, loff_t *ppos)
486 {
487 struct wl1271 *wl = file->private_data;
488 int res = 0;
489 ssize_t ret;
490 char *buf;
491
492 #define DRIVER_STATE_BUF_LEN 1024
493
494 buf = kmalloc(DRIVER_STATE_BUF_LEN, GFP_KERNEL);
495 if (!buf)
496 return -ENOMEM;
497
498 mutex_lock(&wl->mutex);
499
500 #define DRIVER_STATE_PRINT(x, fmt) \
501 (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
502 #x " = " fmt "\n", wl->x))
503
504 #define DRIVER_STATE_PRINT_LONG(x) DRIVER_STATE_PRINT(x, "%ld")
505 #define DRIVER_STATE_PRINT_INT(x) DRIVER_STATE_PRINT(x, "%d")
506 #define DRIVER_STATE_PRINT_STR(x) DRIVER_STATE_PRINT(x, "%s")
507 #define DRIVER_STATE_PRINT_LHEX(x) DRIVER_STATE_PRINT(x, "0x%lx")
508 #define DRIVER_STATE_PRINT_HEX(x) DRIVER_STATE_PRINT(x, "0x%x")
509
510 DRIVER_STATE_PRINT_INT(tx_blocks_available);
511 DRIVER_STATE_PRINT_INT(tx_allocated_blocks);
512 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[0]);
513 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[1]);
514 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[2]);
515 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[3]);
516 DRIVER_STATE_PRINT_INT(tx_frames_cnt);
517 DRIVER_STATE_PRINT_LHEX(tx_frames_map[0]);
518 DRIVER_STATE_PRINT_INT(tx_queue_count[0]);
519 DRIVER_STATE_PRINT_INT(tx_queue_count[1]);
520 DRIVER_STATE_PRINT_INT(tx_queue_count[2]);
521 DRIVER_STATE_PRINT_INT(tx_queue_count[3]);
522 DRIVER_STATE_PRINT_INT(tx_packets_count);
523 DRIVER_STATE_PRINT_INT(tx_results_count);
524 DRIVER_STATE_PRINT_LHEX(flags);
525 DRIVER_STATE_PRINT_INT(tx_blocks_freed);
526 DRIVER_STATE_PRINT_INT(rx_counter);
527 DRIVER_STATE_PRINT_INT(state);
528 DRIVER_STATE_PRINT_INT(channel);
529 DRIVER_STATE_PRINT_INT(band);
530 DRIVER_STATE_PRINT_INT(power_level);
531 DRIVER_STATE_PRINT_INT(sg_enabled);
532 DRIVER_STATE_PRINT_INT(enable_11a);
533 DRIVER_STATE_PRINT_INT(noise);
534 DRIVER_STATE_PRINT_HEX(ap_fw_ps_map);
535 DRIVER_STATE_PRINT_LHEX(ap_ps_map);
536 DRIVER_STATE_PRINT_HEX(quirks);
537 DRIVER_STATE_PRINT_HEX(irq);
538 DRIVER_STATE_PRINT_HEX(ref_clock);
539 DRIVER_STATE_PRINT_HEX(tcxo_clock);
540 DRIVER_STATE_PRINT_HEX(hw_pg_ver);
541 DRIVER_STATE_PRINT_HEX(platform_quirks);
542 DRIVER_STATE_PRINT_HEX(chip.id);
543 DRIVER_STATE_PRINT_STR(chip.fw_ver_str);
544 DRIVER_STATE_PRINT_INT(sched_scanning);
545
546 #undef DRIVER_STATE_PRINT_INT
547 #undef DRIVER_STATE_PRINT_LONG
548 #undef DRIVER_STATE_PRINT_HEX
549 #undef DRIVER_STATE_PRINT_LHEX
550 #undef DRIVER_STATE_PRINT_STR
551 #undef DRIVER_STATE_PRINT
552 #undef DRIVER_STATE_BUF_LEN
553
554 mutex_unlock(&wl->mutex);
555
556 ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
557 kfree(buf);
558 return ret;
559 }
560
561 static const struct file_operations driver_state_ops = {
562 .read = driver_state_read,
563 .open = simple_open,
564 .llseek = default_llseek,
565 };
566
vifs_state_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)567 static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
568 size_t count, loff_t *ppos)
569 {
570 struct wl1271 *wl = file->private_data;
571 struct wl12xx_vif *wlvif;
572 int ret, res = 0;
573 const int buf_size = 4096;
574 char *buf;
575 char tmp_buf[64];
576
577 buf = kzalloc(buf_size, GFP_KERNEL);
578 if (!buf)
579 return -ENOMEM;
580
581 mutex_lock(&wl->mutex);
582
583 #define VIF_STATE_PRINT(x, fmt) \
584 (res += scnprintf(buf + res, buf_size - res, \
585 #x " = " fmt "\n", wlvif->x))
586
587 #define VIF_STATE_PRINT_LONG(x) VIF_STATE_PRINT(x, "%ld")
588 #define VIF_STATE_PRINT_INT(x) VIF_STATE_PRINT(x, "%d")
589 #define VIF_STATE_PRINT_STR(x) VIF_STATE_PRINT(x, "%s")
590 #define VIF_STATE_PRINT_LHEX(x) VIF_STATE_PRINT(x, "0x%lx")
591 #define VIF_STATE_PRINT_LLHEX(x) VIF_STATE_PRINT(x, "0x%llx")
592 #define VIF_STATE_PRINT_HEX(x) VIF_STATE_PRINT(x, "0x%x")
593
594 #define VIF_STATE_PRINT_NSTR(x, len) \
595 do { \
596 memset(tmp_buf, 0, sizeof(tmp_buf)); \
597 memcpy(tmp_buf, wlvif->x, \
598 min_t(u8, len, sizeof(tmp_buf) - 1)); \
599 res += scnprintf(buf + res, buf_size - res, \
600 #x " = %s\n", tmp_buf); \
601 } while (0)
602
603 wl12xx_for_each_wlvif(wl, wlvif) {
604 VIF_STATE_PRINT_INT(role_id);
605 VIF_STATE_PRINT_INT(bss_type);
606 VIF_STATE_PRINT_LHEX(flags);
607 VIF_STATE_PRINT_INT(p2p);
608 VIF_STATE_PRINT_INT(dev_role_id);
609 VIF_STATE_PRINT_INT(dev_hlid);
610
611 if (wlvif->bss_type == BSS_TYPE_STA_BSS ||
612 wlvif->bss_type == BSS_TYPE_IBSS) {
613 VIF_STATE_PRINT_INT(sta.hlid);
614 VIF_STATE_PRINT_INT(sta.ba_rx_bitmap);
615 VIF_STATE_PRINT_INT(sta.basic_rate_idx);
616 VIF_STATE_PRINT_INT(sta.ap_rate_idx);
617 VIF_STATE_PRINT_INT(sta.p2p_rate_idx);
618 VIF_STATE_PRINT_INT(sta.qos);
619 } else {
620 VIF_STATE_PRINT_INT(ap.global_hlid);
621 VIF_STATE_PRINT_INT(ap.bcast_hlid);
622 VIF_STATE_PRINT_LHEX(ap.sta_hlid_map[0]);
623 VIF_STATE_PRINT_INT(ap.mgmt_rate_idx);
624 VIF_STATE_PRINT_INT(ap.bcast_rate_idx);
625 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[0]);
626 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[1]);
627 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[2]);
628 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[3]);
629 }
630 VIF_STATE_PRINT_INT(last_tx_hlid);
631 VIF_STATE_PRINT_LHEX(links_map[0]);
632 VIF_STATE_PRINT_NSTR(ssid, wlvif->ssid_len);
633 VIF_STATE_PRINT_INT(band);
634 VIF_STATE_PRINT_INT(channel);
635 VIF_STATE_PRINT_HEX(bitrate_masks[0]);
636 VIF_STATE_PRINT_HEX(bitrate_masks[1]);
637 VIF_STATE_PRINT_HEX(basic_rate_set);
638 VIF_STATE_PRINT_HEX(basic_rate);
639 VIF_STATE_PRINT_HEX(rate_set);
640 VIF_STATE_PRINT_INT(beacon_int);
641 VIF_STATE_PRINT_INT(default_key);
642 VIF_STATE_PRINT_INT(aid);
643 VIF_STATE_PRINT_INT(session_counter);
644 VIF_STATE_PRINT_INT(psm_entry_retry);
645 VIF_STATE_PRINT_INT(power_level);
646 VIF_STATE_PRINT_INT(rssi_thold);
647 VIF_STATE_PRINT_INT(last_rssi_event);
648 VIF_STATE_PRINT_INT(ba_support);
649 VIF_STATE_PRINT_INT(ba_allowed);
650 VIF_STATE_PRINT_LLHEX(tx_security_seq);
651 VIF_STATE_PRINT_INT(tx_security_last_seq_lsb);
652 }
653
654 #undef VIF_STATE_PRINT_INT
655 #undef VIF_STATE_PRINT_LONG
656 #undef VIF_STATE_PRINT_HEX
657 #undef VIF_STATE_PRINT_LHEX
658 #undef VIF_STATE_PRINT_LLHEX
659 #undef VIF_STATE_PRINT_STR
660 #undef VIF_STATE_PRINT_NSTR
661 #undef VIF_STATE_PRINT
662
663 mutex_unlock(&wl->mutex);
664
665 ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
666 kfree(buf);
667 return ret;
668 }
669
670 static const struct file_operations vifs_state_ops = {
671 .read = vifs_state_read,
672 .open = simple_open,
673 .llseek = default_llseek,
674 };
675
dtim_interval_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)676 static ssize_t dtim_interval_read(struct file *file, char __user *user_buf,
677 size_t count, loff_t *ppos)
678 {
679 struct wl1271 *wl = file->private_data;
680 u8 value;
681
682 if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
683 wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
684 value = wl->conf.conn.listen_interval;
685 else
686 value = 0;
687
688 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
689 }
690
dtim_interval_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)691 static ssize_t dtim_interval_write(struct file *file,
692 const char __user *user_buf,
693 size_t count, loff_t *ppos)
694 {
695 struct wl1271 *wl = file->private_data;
696 unsigned long value;
697 int ret;
698
699 ret = kstrtoul_from_user(user_buf, count, 10, &value);
700 if (ret < 0) {
701 wl1271_warning("illegal value for dtim_interval");
702 return -EINVAL;
703 }
704
705 if (value < 1 || value > 10) {
706 wl1271_warning("dtim value is not in valid range");
707 return -ERANGE;
708 }
709
710 mutex_lock(&wl->mutex);
711
712 wl->conf.conn.listen_interval = value;
713 /* for some reason there are different event types for 1 and >1 */
714 if (value == 1)
715 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
716 else
717 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
718
719 /*
720 * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
721 * take effect on the next time we enter psm.
722 */
723 mutex_unlock(&wl->mutex);
724 return count;
725 }
726
727 static const struct file_operations dtim_interval_ops = {
728 .read = dtim_interval_read,
729 .write = dtim_interval_write,
730 .open = simple_open,
731 .llseek = default_llseek,
732 };
733
734
735
suspend_dtim_interval_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)736 static ssize_t suspend_dtim_interval_read(struct file *file,
737 char __user *user_buf,
738 size_t count, loff_t *ppos)
739 {
740 struct wl1271 *wl = file->private_data;
741 u8 value;
742
743 if (wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
744 wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
745 value = wl->conf.conn.suspend_listen_interval;
746 else
747 value = 0;
748
749 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
750 }
751
suspend_dtim_interval_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)752 static ssize_t suspend_dtim_interval_write(struct file *file,
753 const char __user *user_buf,
754 size_t count, loff_t *ppos)
755 {
756 struct wl1271 *wl = file->private_data;
757 unsigned long value;
758 int ret;
759
760 ret = kstrtoul_from_user(user_buf, count, 10, &value);
761 if (ret < 0) {
762 wl1271_warning("illegal value for suspend_dtim_interval");
763 return -EINVAL;
764 }
765
766 if (value < 1 || value > 10) {
767 wl1271_warning("suspend_dtim value is not in valid range");
768 return -ERANGE;
769 }
770
771 mutex_lock(&wl->mutex);
772
773 wl->conf.conn.suspend_listen_interval = value;
774 /* for some reason there are different event types for 1 and >1 */
775 if (value == 1)
776 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
777 else
778 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
779
780 mutex_unlock(&wl->mutex);
781 return count;
782 }
783
784
785 static const struct file_operations suspend_dtim_interval_ops = {
786 .read = suspend_dtim_interval_read,
787 .write = suspend_dtim_interval_write,
788 .open = simple_open,
789 .llseek = default_llseek,
790 };
791
beacon_interval_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)792 static ssize_t beacon_interval_read(struct file *file, char __user *user_buf,
793 size_t count, loff_t *ppos)
794 {
795 struct wl1271 *wl = file->private_data;
796 u8 value;
797
798 if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_BEACON ||
799 wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_BEACONS)
800 value = wl->conf.conn.listen_interval;
801 else
802 value = 0;
803
804 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
805 }
806
beacon_interval_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)807 static ssize_t beacon_interval_write(struct file *file,
808 const char __user *user_buf,
809 size_t count, loff_t *ppos)
810 {
811 struct wl1271 *wl = file->private_data;
812 unsigned long value;
813 int ret;
814
815 ret = kstrtoul_from_user(user_buf, count, 10, &value);
816 if (ret < 0) {
817 wl1271_warning("illegal value for beacon_interval");
818 return -EINVAL;
819 }
820
821 if (value < 1 || value > 255) {
822 wl1271_warning("beacon interval value is not in valid range");
823 return -ERANGE;
824 }
825
826 mutex_lock(&wl->mutex);
827
828 wl->conf.conn.listen_interval = value;
829 /* for some reason there are different event types for 1 and >1 */
830 if (value == 1)
831 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_BEACON;
832 else
833 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_BEACONS;
834
835 /*
836 * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
837 * take effect on the next time we enter psm.
838 */
839 mutex_unlock(&wl->mutex);
840 return count;
841 }
842
843 static const struct file_operations beacon_interval_ops = {
844 .read = beacon_interval_read,
845 .write = beacon_interval_write,
846 .open = simple_open,
847 .llseek = default_llseek,
848 };
849
rx_streaming_interval_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)850 static ssize_t rx_streaming_interval_write(struct file *file,
851 const char __user *user_buf,
852 size_t count, loff_t *ppos)
853 {
854 struct wl1271 *wl = file->private_data;
855 struct wl12xx_vif *wlvif;
856 unsigned long value;
857 int ret;
858
859 ret = kstrtoul_from_user(user_buf, count, 10, &value);
860 if (ret < 0) {
861 wl1271_warning("illegal value in rx_streaming_interval!");
862 return -EINVAL;
863 }
864
865 /* valid values: 0, 10-100 */
866 if (value && (value < 10 || value > 100)) {
867 wl1271_warning("value is not in range!");
868 return -ERANGE;
869 }
870
871 mutex_lock(&wl->mutex);
872
873 wl->conf.rx_streaming.interval = value;
874
875 ret = wl1271_ps_elp_wakeup(wl);
876 if (ret < 0)
877 goto out;
878
879 wl12xx_for_each_wlvif_sta(wl, wlvif) {
880 wl1271_recalc_rx_streaming(wl, wlvif);
881 }
882
883 wl1271_ps_elp_sleep(wl);
884 out:
885 mutex_unlock(&wl->mutex);
886 return count;
887 }
888
rx_streaming_interval_read(struct file * file,char __user * userbuf,size_t count,loff_t * ppos)889 static ssize_t rx_streaming_interval_read(struct file *file,
890 char __user *userbuf,
891 size_t count, loff_t *ppos)
892 {
893 struct wl1271 *wl = file->private_data;
894 return wl1271_format_buffer(userbuf, count, ppos,
895 "%d\n", wl->conf.rx_streaming.interval);
896 }
897
898 static const struct file_operations rx_streaming_interval_ops = {
899 .read = rx_streaming_interval_read,
900 .write = rx_streaming_interval_write,
901 .open = simple_open,
902 .llseek = default_llseek,
903 };
904
rx_streaming_always_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)905 static ssize_t rx_streaming_always_write(struct file *file,
906 const char __user *user_buf,
907 size_t count, loff_t *ppos)
908 {
909 struct wl1271 *wl = file->private_data;
910 struct wl12xx_vif *wlvif;
911 unsigned long value;
912 int ret;
913
914 ret = kstrtoul_from_user(user_buf, count, 10, &value);
915 if (ret < 0) {
916 wl1271_warning("illegal value in rx_streaming_write!");
917 return -EINVAL;
918 }
919
920 /* valid values: 0, 10-100 */
921 if (!(value == 0 || value == 1)) {
922 wl1271_warning("value is not in valid!");
923 return -EINVAL;
924 }
925
926 mutex_lock(&wl->mutex);
927
928 wl->conf.rx_streaming.always = value;
929
930 ret = wl1271_ps_elp_wakeup(wl);
931 if (ret < 0)
932 goto out;
933
934 wl12xx_for_each_wlvif_sta(wl, wlvif) {
935 wl1271_recalc_rx_streaming(wl, wlvif);
936 }
937
938 wl1271_ps_elp_sleep(wl);
939 out:
940 mutex_unlock(&wl->mutex);
941 return count;
942 }
943
rx_streaming_always_read(struct file * file,char __user * userbuf,size_t count,loff_t * ppos)944 static ssize_t rx_streaming_always_read(struct file *file,
945 char __user *userbuf,
946 size_t count, loff_t *ppos)
947 {
948 struct wl1271 *wl = file->private_data;
949 return wl1271_format_buffer(userbuf, count, ppos,
950 "%d\n", wl->conf.rx_streaming.always);
951 }
952
953 static const struct file_operations rx_streaming_always_ops = {
954 .read = rx_streaming_always_read,
955 .write = rx_streaming_always_write,
956 .open = simple_open,
957 .llseek = default_llseek,
958 };
959
beacon_filtering_write(struct file * file,const char __user * user_buf,size_t count,loff_t * ppos)960 static ssize_t beacon_filtering_write(struct file *file,
961 const char __user *user_buf,
962 size_t count, loff_t *ppos)
963 {
964 struct wl1271 *wl = file->private_data;
965 struct wl12xx_vif *wlvif;
966 char buf[10];
967 size_t len;
968 unsigned long value;
969 int ret;
970
971 len = min(count, sizeof(buf) - 1);
972 if (copy_from_user(buf, user_buf, len))
973 return -EFAULT;
974 buf[len] = '\0';
975
976 ret = kstrtoul(buf, 0, &value);
977 if (ret < 0) {
978 wl1271_warning("illegal value for beacon_filtering!");
979 return -EINVAL;
980 }
981
982 mutex_lock(&wl->mutex);
983
984 ret = wl1271_ps_elp_wakeup(wl);
985 if (ret < 0)
986 goto out;
987
988 wl12xx_for_each_wlvif(wl, wlvif) {
989 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, !!value);
990 }
991
992 wl1271_ps_elp_sleep(wl);
993 out:
994 mutex_unlock(&wl->mutex);
995 return count;
996 }
997
998 static const struct file_operations beacon_filtering_ops = {
999 .write = beacon_filtering_write,
1000 .open = simple_open,
1001 .llseek = default_llseek,
1002 };
1003
wl1271_debugfs_add_files(struct wl1271 * wl,struct dentry * rootdir)1004 static int wl1271_debugfs_add_files(struct wl1271 *wl,
1005 struct dentry *rootdir)
1006 {
1007 int ret = 0;
1008 struct dentry *entry, *stats, *streaming;
1009
1010 stats = debugfs_create_dir("fw-statistics", rootdir);
1011 if (!stats || IS_ERR(stats)) {
1012 entry = stats;
1013 goto err;
1014 }
1015
1016 DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
1017
1018 DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
1019 DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
1020 DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
1021 DEBUGFS_FWSTATS_ADD(rx, dropped);
1022 DEBUGFS_FWSTATS_ADD(rx, fcs_err);
1023 DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
1024 DEBUGFS_FWSTATS_ADD(rx, path_reset);
1025 DEBUGFS_FWSTATS_ADD(rx, reset_counter);
1026
1027 DEBUGFS_FWSTATS_ADD(dma, rx_requested);
1028 DEBUGFS_FWSTATS_ADD(dma, rx_errors);
1029 DEBUGFS_FWSTATS_ADD(dma, tx_requested);
1030 DEBUGFS_FWSTATS_ADD(dma, tx_errors);
1031
1032 DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
1033 DEBUGFS_FWSTATS_ADD(isr, fiqs);
1034 DEBUGFS_FWSTATS_ADD(isr, rx_headers);
1035 DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
1036 DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
1037 DEBUGFS_FWSTATS_ADD(isr, irqs);
1038 DEBUGFS_FWSTATS_ADD(isr, tx_procs);
1039 DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
1040 DEBUGFS_FWSTATS_ADD(isr, dma0_done);
1041 DEBUGFS_FWSTATS_ADD(isr, dma1_done);
1042 DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
1043 DEBUGFS_FWSTATS_ADD(isr, commands);
1044 DEBUGFS_FWSTATS_ADD(isr, rx_procs);
1045 DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
1046 DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
1047 DEBUGFS_FWSTATS_ADD(isr, pci_pm);
1048 DEBUGFS_FWSTATS_ADD(isr, wakeups);
1049 DEBUGFS_FWSTATS_ADD(isr, low_rssi);
1050
1051 DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
1052 DEBUGFS_FWSTATS_ADD(wep, default_key_count);
1053 /* skipping wep.reserved */
1054 DEBUGFS_FWSTATS_ADD(wep, key_not_found);
1055 DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
1056 DEBUGFS_FWSTATS_ADD(wep, packets);
1057 DEBUGFS_FWSTATS_ADD(wep, interrupt);
1058
1059 DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
1060 DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
1061 DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
1062 DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
1063 DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
1064 DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
1065 DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
1066 DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
1067 DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
1068 DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
1069 DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
1070 DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
1071 /* skipping cont_miss_bcns_spread for now */
1072 DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
1073
1074 DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
1075 DEBUGFS_FWSTATS_ADD(mic, calc_failure);
1076
1077 DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
1078 DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
1079 DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
1080 DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
1081 DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
1082 DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
1083
1084 DEBUGFS_FWSTATS_ADD(event, heart_beat);
1085 DEBUGFS_FWSTATS_ADD(event, calibration);
1086 DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
1087 DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
1088 DEBUGFS_FWSTATS_ADD(event, rx_pool);
1089 DEBUGFS_FWSTATS_ADD(event, oom_late);
1090 DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
1091 DEBUGFS_FWSTATS_ADD(event, tx_stuck);
1092
1093 DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
1094 DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
1095 DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
1096 DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
1097 DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
1098 DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
1099 DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
1100
1101 DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
1102 DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
1103 DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
1104 DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
1105 DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
1106
1107 DEBUGFS_ADD(tx_queue_len, rootdir);
1108 DEBUGFS_ADD(retry_count, rootdir);
1109 DEBUGFS_ADD(excessive_retries, rootdir);
1110
1111 DEBUGFS_ADD(gpio_power, rootdir);
1112 DEBUGFS_ADD(start_recovery, rootdir);
1113 DEBUGFS_ADD(driver_state, rootdir);
1114 DEBUGFS_ADD(vifs_state, rootdir);
1115 DEBUGFS_ADD(dtim_interval, rootdir);
1116 DEBUGFS_ADD(suspend_dtim_interval, rootdir);
1117 DEBUGFS_ADD(beacon_interval, rootdir);
1118 DEBUGFS_ADD(beacon_filtering, rootdir);
1119 DEBUGFS_ADD(dynamic_ps_timeout, rootdir);
1120 DEBUGFS_ADD(forced_ps, rootdir);
1121 DEBUGFS_ADD(split_scan_timeout, rootdir);
1122
1123 streaming = debugfs_create_dir("rx_streaming", rootdir);
1124 if (!streaming || IS_ERR(streaming))
1125 goto err;
1126
1127 DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming);
1128 DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming);
1129
1130
1131 return 0;
1132
1133 err:
1134 if (IS_ERR(entry))
1135 ret = PTR_ERR(entry);
1136 else
1137 ret = -ENOMEM;
1138
1139 return ret;
1140 }
1141
wl1271_debugfs_reset(struct wl1271 * wl)1142 void wl1271_debugfs_reset(struct wl1271 *wl)
1143 {
1144 if (!wl->stats.fw_stats)
1145 return;
1146
1147 memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
1148 wl->stats.retry_count = 0;
1149 wl->stats.excessive_retries = 0;
1150 }
1151
wl1271_debugfs_init(struct wl1271 * wl)1152 int wl1271_debugfs_init(struct wl1271 *wl)
1153 {
1154 int ret;
1155 struct dentry *rootdir;
1156
1157 rootdir = debugfs_create_dir(KBUILD_MODNAME,
1158 wl->hw->wiphy->debugfsdir);
1159
1160 if (IS_ERR(rootdir)) {
1161 ret = PTR_ERR(rootdir);
1162 goto err;
1163 }
1164
1165 wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
1166 GFP_KERNEL);
1167
1168 if (!wl->stats.fw_stats) {
1169 ret = -ENOMEM;
1170 goto err_fw;
1171 }
1172
1173 wl->stats.fw_stats_update = jiffies;
1174
1175 ret = wl1271_debugfs_add_files(wl, rootdir);
1176
1177 if (ret < 0)
1178 goto err_file;
1179
1180 return 0;
1181
1182 err_file:
1183 kfree(wl->stats.fw_stats);
1184 wl->stats.fw_stats = NULL;
1185
1186 err_fw:
1187 debugfs_remove_recursive(rootdir);
1188
1189 err:
1190 return ret;
1191 }
1192
wl1271_debugfs_exit(struct wl1271 * wl)1193 void wl1271_debugfs_exit(struct wl1271 *wl)
1194 {
1195 kfree(wl->stats.fw_stats);
1196 wl->stats.fw_stats = NULL;
1197 }
1198