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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * This file is part of wl1271
4 *
5 * Copyright (C) 2009 Nokia Corporation
6 *
7 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
8 */
9
10#include "debugfs.h"
11
12#include <linux/skbuff.h>
13#include <linux/slab.h>
14#include <linux/module.h>
15#include <linux/pm_runtime.h>
16
17#include "wlcore.h"
18#include "debug.h"
19#include "acx.h"
20#include "ps.h"
21#include "io.h"
22#include "tx.h"
23#include "hw_ops.h"
24
25/* ms */
26#define WL1271_DEBUGFS_STATS_LIFETIME 1000
27
28#define WLCORE_MAX_BLOCK_SIZE ((size_t)(4*PAGE_SIZE))
29
30/* debugfs macros idea from mac80211 */
31int wl1271_format_buffer(char __user *userbuf, size_t count,
32 loff_t *ppos, char *fmt, ...)
33{
34 va_list args;
35 char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
36 int res;
37
38 va_start(args, fmt);
39 res = vscnprintf(buf, sizeof(buf), fmt, args);
40 va_end(args);
41
42 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
43}
44EXPORT_SYMBOL_GPL(wl1271_format_buffer);
45
46void wl1271_debugfs_update_stats(struct wl1271 *wl)
47{
48 int ret;
49
50 mutex_lock(&wl->mutex);
51
52 if (unlikely(wl->state != WLCORE_STATE_ON))
53 goto out;
54
55 ret = pm_runtime_resume_and_get(wl->dev);
56 if (ret < 0)
57 goto out;
58
59 if (!wl->plt &&
60 time_after(jiffies, wl->stats.fw_stats_update +
61 msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
62 wl1271_acx_statistics(wl, wl->stats.fw_stats);
63 wl->stats.fw_stats_update = jiffies;
64 }
65
66 pm_runtime_mark_last_busy(wl->dev);
67 pm_runtime_put_autosuspend(wl->dev);
68
69out:
70 mutex_unlock(&wl->mutex);
71}
72EXPORT_SYMBOL_GPL(wl1271_debugfs_update_stats);
73
74DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
75DEBUGFS_READONLY_FILE(excessive_retries, "%u",
76 wl->stats.excessive_retries);
77
78static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
79 size_t count, loff_t *ppos)
80{
81 struct wl1271 *wl = file->private_data;
82 u32 queue_len;
83 char buf[20];
84 int res;
85
86 queue_len = wl1271_tx_total_queue_count(wl);
87
88 res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
89 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
90}
91
92static const struct file_operations tx_queue_len_ops = {
93 .read = tx_queue_len_read,
94 .open = simple_open,
95 .llseek = default_llseek,
96};
97
98static void chip_op_handler(struct wl1271 *wl, unsigned long value,
99 void *arg)
100{
101 int ret;
102 int (*chip_op) (struct wl1271 *wl);
103
104 if (!arg) {
105 wl1271_warning("debugfs chip_op_handler with no callback");
106 return;
107 }
108
109 ret = pm_runtime_resume_and_get(wl->dev);
110 if (ret < 0)
111 return;
112
113 chip_op = arg;
114 chip_op(wl);
115
116 pm_runtime_mark_last_busy(wl->dev);
117 pm_runtime_put_autosuspend(wl->dev);
118}
119
120#define WL12XX_CONF_DEBUGFS(param, conf_sub_struct, \
121 min_val, max_val, write_handler_locked, \
122 write_handler_arg) \
123 static ssize_t param##_read(struct file *file, \
124 char __user *user_buf, \
125 size_t count, loff_t *ppos) \
126 { \
127 struct wl1271 *wl = file->private_data; \
128 return wl1271_format_buffer(user_buf, count, \
129 ppos, "%d\n", \
130 wl->conf.conf_sub_struct.param); \
131 } \
132 \
133 static ssize_t param##_write(struct file *file, \
134 const char __user *user_buf, \
135 size_t count, loff_t *ppos) \
136 { \
137 struct wl1271 *wl = file->private_data; \
138 unsigned long value; \
139 int ret; \
140 \
141 ret = kstrtoul_from_user(user_buf, count, 10, &value); \
142 if (ret < 0) { \
143 wl1271_warning("illegal value for " #param); \
144 return -EINVAL; \
145 } \
146 \
147 if (value < min_val || value > max_val) { \
148 wl1271_warning(#param " is not in valid range"); \
149 return -ERANGE; \
150 } \
151 \
152 mutex_lock(&wl->mutex); \
153 wl->conf.conf_sub_struct.param = value; \
154 \
155 write_handler_locked(wl, value, write_handler_arg); \
156 \
157 mutex_unlock(&wl->mutex); \
158 return count; \
159 } \
160 \
161 static const struct file_operations param##_ops = { \
162 .read = param##_read, \
163 .write = param##_write, \
164 .open = simple_open, \
165 .llseek = default_llseek, \
166 };
167
168WL12XX_CONF_DEBUGFS(irq_pkt_threshold, rx, 0, 65535,
169 chip_op_handler, wl1271_acx_init_rx_interrupt)
170WL12XX_CONF_DEBUGFS(irq_blk_threshold, rx, 0, 65535,
171 chip_op_handler, wl1271_acx_init_rx_interrupt)
172WL12XX_CONF_DEBUGFS(irq_timeout, rx, 0, 100,
173 chip_op_handler, wl1271_acx_init_rx_interrupt)
174
175static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
176 size_t count, loff_t *ppos)
177{
178 struct wl1271 *wl = file->private_data;
179 bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
180
181 int res;
182 char buf[10];
183
184 res = scnprintf(buf, sizeof(buf), "%d\n", state);
185
186 return simple_read_from_buffer(user_buf, count, ppos, buf, res);
187}
188
189static ssize_t gpio_power_write(struct file *file,
190 const char __user *user_buf,
191 size_t count, loff_t *ppos)
192{
193 struct wl1271 *wl = file->private_data;
194 unsigned long value;
195 int ret;
196
197 ret = kstrtoul_from_user(user_buf, count, 10, &value);
198 if (ret < 0) {
199 wl1271_warning("illegal value in gpio_power");
200 return -EINVAL;
201 }
202
203 mutex_lock(&wl->mutex);
204
205 if (value)
206 wl1271_power_on(wl);
207 else
208 wl1271_power_off(wl);
209
210 mutex_unlock(&wl->mutex);
211 return count;
212}
213
214static const struct file_operations gpio_power_ops = {
215 .read = gpio_power_read,
216 .write = gpio_power_write,
217 .open = simple_open,
218 .llseek = default_llseek,
219};
220
221static ssize_t start_recovery_write(struct file *file,
222 const char __user *user_buf,
223 size_t count, loff_t *ppos)
224{
225 struct wl1271 *wl = file->private_data;
226
227 mutex_lock(&wl->mutex);
228 wl12xx_queue_recovery_work(wl);
229 mutex_unlock(&wl->mutex);
230
231 return count;
232}
233
234static const struct file_operations start_recovery_ops = {
235 .write = start_recovery_write,
236 .open = simple_open,
237 .llseek = default_llseek,
238};
239
240static ssize_t dynamic_ps_timeout_read(struct file *file, char __user *user_buf,
241 size_t count, loff_t *ppos)
242{
243 struct wl1271 *wl = file->private_data;
244
245 return wl1271_format_buffer(user_buf, count,
246 ppos, "%d\n",
247 wl->conf.conn.dynamic_ps_timeout);
248}
249
250static ssize_t dynamic_ps_timeout_write(struct file *file,
251 const char __user *user_buf,
252 size_t count, loff_t *ppos)
253{
254 struct wl1271 *wl = file->private_data;
255 struct wl12xx_vif *wlvif;
256 unsigned long value;
257 int ret;
258
259 ret = kstrtoul_from_user(user_buf, count, 10, &value);
260 if (ret < 0) {
261 wl1271_warning("illegal value in dynamic_ps");
262 return -EINVAL;
263 }
264
265 if (value < 1 || value > 65535) {
266 wl1271_warning("dynamic_ps_timeout is not in valid range");
267 return -ERANGE;
268 }
269
270 mutex_lock(&wl->mutex);
271
272 wl->conf.conn.dynamic_ps_timeout = value;
273
274 if (unlikely(wl->state != WLCORE_STATE_ON))
275 goto out;
276
277 ret = pm_runtime_resume_and_get(wl->dev);
278 if (ret < 0)
279 goto out;
280
281 /* In case we're already in PSM, trigger it again to set new timeout
282 * immediately without waiting for re-association
283 */
284
285 wl12xx_for_each_wlvif_sta(wl, wlvif) {
286 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
287 wl1271_ps_set_mode(wl, wlvif, STATION_AUTO_PS_MODE);
288 }
289
290 pm_runtime_mark_last_busy(wl->dev);
291 pm_runtime_put_autosuspend(wl->dev);
292
293out:
294 mutex_unlock(&wl->mutex);
295 return count;
296}
297
298static const struct file_operations dynamic_ps_timeout_ops = {
299 .read = dynamic_ps_timeout_read,
300 .write = dynamic_ps_timeout_write,
301 .open = simple_open,
302 .llseek = default_llseek,
303};
304
305static ssize_t forced_ps_read(struct file *file, char __user *user_buf,
306 size_t count, loff_t *ppos)
307{
308 struct wl1271 *wl = file->private_data;
309
310 return wl1271_format_buffer(user_buf, count,
311 ppos, "%d\n",
312 wl->conf.conn.forced_ps);
313}
314
315static ssize_t forced_ps_write(struct file *file,
316 const char __user *user_buf,
317 size_t count, loff_t *ppos)
318{
319 struct wl1271 *wl = file->private_data;
320 struct wl12xx_vif *wlvif;
321 unsigned long value;
322 int ret, ps_mode;
323
324 ret = kstrtoul_from_user(user_buf, count, 10, &value);
325 if (ret < 0) {
326 wl1271_warning("illegal value in forced_ps");
327 return -EINVAL;
328 }
329
330 if (value != 1 && value != 0) {
331 wl1271_warning("forced_ps should be either 0 or 1");
332 return -ERANGE;
333 }
334
335 mutex_lock(&wl->mutex);
336
337 if (wl->conf.conn.forced_ps == value)
338 goto out;
339
340 wl->conf.conn.forced_ps = value;
341
342 if (unlikely(wl->state != WLCORE_STATE_ON))
343 goto out;
344
345 ret = pm_runtime_resume_and_get(wl->dev);
346 if (ret < 0)
347 goto out;
348
349 /* In case we're already in PSM, trigger it again to switch mode
350 * immediately without waiting for re-association
351 */
352
353 ps_mode = value ? STATION_POWER_SAVE_MODE : STATION_AUTO_PS_MODE;
354
355 wl12xx_for_each_wlvif_sta(wl, wlvif) {
356 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
357 wl1271_ps_set_mode(wl, wlvif, ps_mode);
358 }
359
360 pm_runtime_mark_last_busy(wl->dev);
361 pm_runtime_put_autosuspend(wl->dev);
362
363out:
364 mutex_unlock(&wl->mutex);
365 return count;
366}
367
368static const struct file_operations forced_ps_ops = {
369 .read = forced_ps_read,
370 .write = forced_ps_write,
371 .open = simple_open,
372 .llseek = default_llseek,
373};
374
375static ssize_t split_scan_timeout_read(struct file *file, char __user *user_buf,
376 size_t count, loff_t *ppos)
377{
378 struct wl1271 *wl = file->private_data;
379
380 return wl1271_format_buffer(user_buf, count,
381 ppos, "%d\n",
382 wl->conf.scan.split_scan_timeout / 1000);
383}
384
385static ssize_t split_scan_timeout_write(struct file *file,
386 const char __user *user_buf,
387 size_t count, loff_t *ppos)
388{
389 struct wl1271 *wl = file->private_data;
390 unsigned long value;
391 int ret;
392
393 ret = kstrtoul_from_user(user_buf, count, 10, &value);
394 if (ret < 0) {
395 wl1271_warning("illegal value in split_scan_timeout");
396 return -EINVAL;
397 }
398
399 if (value == 0)
400 wl1271_info("split scan will be disabled");
401
402 mutex_lock(&wl->mutex);
403
404 wl->conf.scan.split_scan_timeout = value * 1000;
405
406 mutex_unlock(&wl->mutex);
407 return count;
408}
409
410static const struct file_operations split_scan_timeout_ops = {
411 .read = split_scan_timeout_read,
412 .write = split_scan_timeout_write,
413 .open = simple_open,
414 .llseek = default_llseek,
415};
416
417static ssize_t driver_state_read(struct file *file, char __user *user_buf,
418 size_t count, loff_t *ppos)
419{
420 struct wl1271 *wl = file->private_data;
421 int res = 0;
422 ssize_t ret;
423 char *buf;
424 struct wl12xx_vif *wlvif;
425
426#define DRIVER_STATE_BUF_LEN 1024
427
428 buf = kmalloc(DRIVER_STATE_BUF_LEN, GFP_KERNEL);
429 if (!buf)
430 return -ENOMEM;
431
432 mutex_lock(&wl->mutex);
433
434#define DRIVER_STATE_PRINT(x, fmt) \
435 (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
436 #x " = " fmt "\n", wl->x))
437
438#define DRIVER_STATE_PRINT_GENERIC(x, fmt, args...) \
439 (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
440 #x " = " fmt "\n", args))
441
442#define DRIVER_STATE_PRINT_LONG(x) DRIVER_STATE_PRINT(x, "%ld")
443#define DRIVER_STATE_PRINT_INT(x) DRIVER_STATE_PRINT(x, "%d")
444#define DRIVER_STATE_PRINT_STR(x) DRIVER_STATE_PRINT(x, "%s")
445#define DRIVER_STATE_PRINT_LHEX(x) DRIVER_STATE_PRINT(x, "0x%lx")
446#define DRIVER_STATE_PRINT_HEX(x) DRIVER_STATE_PRINT(x, "0x%x")
447
448 wl12xx_for_each_wlvif_sta(wl, wlvif) {
449 if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
450 continue;
451
452 DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
453 wlvif->p2p ? "P2P-CL" : "STA");
454 }
455
456 wl12xx_for_each_wlvif_ap(wl, wlvif)
457 DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
458 wlvif->p2p ? "P2P-GO" : "AP");
459
460 DRIVER_STATE_PRINT_INT(tx_blocks_available);
461 DRIVER_STATE_PRINT_INT(tx_allocated_blocks);
462 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[0]);
463 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[1]);
464 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[2]);
465 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[3]);
466 DRIVER_STATE_PRINT_INT(tx_frames_cnt);
467 DRIVER_STATE_PRINT_LHEX(tx_frames_map[0]);
468 DRIVER_STATE_PRINT_INT(tx_queue_count[0]);
469 DRIVER_STATE_PRINT_INT(tx_queue_count[1]);
470 DRIVER_STATE_PRINT_INT(tx_queue_count[2]);
471 DRIVER_STATE_PRINT_INT(tx_queue_count[3]);
472 DRIVER_STATE_PRINT_INT(tx_packets_count);
473 DRIVER_STATE_PRINT_INT(tx_results_count);
474 DRIVER_STATE_PRINT_LHEX(flags);
475 DRIVER_STATE_PRINT_INT(tx_blocks_freed);
476 DRIVER_STATE_PRINT_INT(rx_counter);
477 DRIVER_STATE_PRINT_INT(state);
478 DRIVER_STATE_PRINT_INT(band);
479 DRIVER_STATE_PRINT_INT(power_level);
480 DRIVER_STATE_PRINT_INT(sg_enabled);
481 DRIVER_STATE_PRINT_INT(enable_11a);
482 DRIVER_STATE_PRINT_INT(noise);
483 DRIVER_STATE_PRINT_LHEX(ap_fw_ps_map);
484 DRIVER_STATE_PRINT_LHEX(ap_ps_map);
485 DRIVER_STATE_PRINT_HEX(quirks);
486 DRIVER_STATE_PRINT_HEX(irq);
487 /* TODO: ref_clock and tcxo_clock were moved to wl12xx priv */
488 DRIVER_STATE_PRINT_HEX(hw_pg_ver);
489 DRIVER_STATE_PRINT_HEX(irq_flags);
490 DRIVER_STATE_PRINT_HEX(chip.id);
491 DRIVER_STATE_PRINT_STR(chip.fw_ver_str);
492 DRIVER_STATE_PRINT_STR(chip.phy_fw_ver_str);
493 DRIVER_STATE_PRINT_INT(recovery_count);
494
495#undef DRIVER_STATE_PRINT_INT
496#undef DRIVER_STATE_PRINT_LONG
497#undef DRIVER_STATE_PRINT_HEX
498#undef DRIVER_STATE_PRINT_LHEX
499#undef DRIVER_STATE_PRINT_STR
500#undef DRIVER_STATE_PRINT
501#undef DRIVER_STATE_BUF_LEN
502
503 mutex_unlock(&wl->mutex);
504
505 ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
506 kfree(buf);
507 return ret;
508}
509
510static const struct file_operations driver_state_ops = {
511 .read = driver_state_read,
512 .open = simple_open,
513 .llseek = default_llseek,
514};
515
516static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
517 size_t count, loff_t *ppos)
518{
519 struct wl1271 *wl = file->private_data;
520 struct wl12xx_vif *wlvif;
521 int ret, res = 0;
522 const int buf_size = 4096;
523 char *buf;
524 char tmp_buf[64];
525
526 buf = kzalloc(buf_size, GFP_KERNEL);
527 if (!buf)
528 return -ENOMEM;
529
530 mutex_lock(&wl->mutex);
531
532#define VIF_STATE_PRINT(x, fmt) \
533 (res += scnprintf(buf + res, buf_size - res, \
534 #x " = " fmt "\n", wlvif->x))
535
536#define VIF_STATE_PRINT_LONG(x) VIF_STATE_PRINT(x, "%ld")
537#define VIF_STATE_PRINT_INT(x) VIF_STATE_PRINT(x, "%d")
538#define VIF_STATE_PRINT_STR(x) VIF_STATE_PRINT(x, "%s")
539#define VIF_STATE_PRINT_LHEX(x) VIF_STATE_PRINT(x, "0x%lx")
540#define VIF_STATE_PRINT_LLHEX(x) VIF_STATE_PRINT(x, "0x%llx")
541#define VIF_STATE_PRINT_HEX(x) VIF_STATE_PRINT(x, "0x%x")
542
543#define VIF_STATE_PRINT_NSTR(x, len) \
544 do { \
545 memset(tmp_buf, 0, sizeof(tmp_buf)); \
546 memcpy(tmp_buf, wlvif->x, \
547 min_t(u8, len, sizeof(tmp_buf) - 1)); \
548 res += scnprintf(buf + res, buf_size - res, \
549 #x " = %s\n", tmp_buf); \
550 } while (0)
551
552 wl12xx_for_each_wlvif(wl, wlvif) {
553 VIF_STATE_PRINT_INT(role_id);
554 VIF_STATE_PRINT_INT(bss_type);
555 VIF_STATE_PRINT_LHEX(flags);
556 VIF_STATE_PRINT_INT(p2p);
557 VIF_STATE_PRINT_INT(dev_role_id);
558 VIF_STATE_PRINT_INT(dev_hlid);
559
560 if (wlvif->bss_type == BSS_TYPE_STA_BSS ||
561 wlvif->bss_type == BSS_TYPE_IBSS) {
562 VIF_STATE_PRINT_INT(sta.hlid);
563 VIF_STATE_PRINT_INT(sta.basic_rate_idx);
564 VIF_STATE_PRINT_INT(sta.ap_rate_idx);
565 VIF_STATE_PRINT_INT(sta.p2p_rate_idx);
566 VIF_STATE_PRINT_INT(sta.qos);
567 } else {
568 VIF_STATE_PRINT_INT(ap.global_hlid);
569 VIF_STATE_PRINT_INT(ap.bcast_hlid);
570 VIF_STATE_PRINT_LHEX(ap.sta_hlid_map[0]);
571 VIF_STATE_PRINT_INT(ap.mgmt_rate_idx);
572 VIF_STATE_PRINT_INT(ap.bcast_rate_idx);
573 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[0]);
574 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[1]);
575 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[2]);
576 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[3]);
577 }
578 VIF_STATE_PRINT_INT(last_tx_hlid);
579 VIF_STATE_PRINT_INT(tx_queue_count[0]);
580 VIF_STATE_PRINT_INT(tx_queue_count[1]);
581 VIF_STATE_PRINT_INT(tx_queue_count[2]);
582 VIF_STATE_PRINT_INT(tx_queue_count[3]);
583 VIF_STATE_PRINT_LHEX(links_map[0]);
584 VIF_STATE_PRINT_NSTR(ssid, wlvif->ssid_len);
585 VIF_STATE_PRINT_INT(band);
586 VIF_STATE_PRINT_INT(channel);
587 VIF_STATE_PRINT_HEX(bitrate_masks[0]);
588 VIF_STATE_PRINT_HEX(bitrate_masks[1]);
589 VIF_STATE_PRINT_HEX(basic_rate_set);
590 VIF_STATE_PRINT_HEX(basic_rate);
591 VIF_STATE_PRINT_HEX(rate_set);
592 VIF_STATE_PRINT_INT(beacon_int);
593 VIF_STATE_PRINT_INT(default_key);
594 VIF_STATE_PRINT_INT(aid);
595 VIF_STATE_PRINT_INT(psm_entry_retry);
596 VIF_STATE_PRINT_INT(power_level);
597 VIF_STATE_PRINT_INT(rssi_thold);
598 VIF_STATE_PRINT_INT(last_rssi_event);
599 VIF_STATE_PRINT_INT(ba_support);
600 VIF_STATE_PRINT_INT(ba_allowed);
601 VIF_STATE_PRINT_LLHEX(total_freed_pkts);
602 }
603
604#undef VIF_STATE_PRINT_INT
605#undef VIF_STATE_PRINT_LONG
606#undef VIF_STATE_PRINT_HEX
607#undef VIF_STATE_PRINT_LHEX
608#undef VIF_STATE_PRINT_LLHEX
609#undef VIF_STATE_PRINT_STR
610#undef VIF_STATE_PRINT_NSTR
611#undef VIF_STATE_PRINT
612
613 mutex_unlock(&wl->mutex);
614
615 ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
616 kfree(buf);
617 return ret;
618}
619
620static const struct file_operations vifs_state_ops = {
621 .read = vifs_state_read,
622 .open = simple_open,
623 .llseek = default_llseek,
624};
625
626static ssize_t dtim_interval_read(struct file *file, char __user *user_buf,
627 size_t count, loff_t *ppos)
628{
629 struct wl1271 *wl = file->private_data;
630 u8 value;
631
632 if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
633 wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
634 value = wl->conf.conn.listen_interval;
635 else
636 value = 0;
637
638 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
639}
640
641static ssize_t dtim_interval_write(struct file *file,
642 const char __user *user_buf,
643 size_t count, loff_t *ppos)
644{
645 struct wl1271 *wl = file->private_data;
646 unsigned long value;
647 int ret;
648
649 ret = kstrtoul_from_user(user_buf, count, 10, &value);
650 if (ret < 0) {
651 wl1271_warning("illegal value for dtim_interval");
652 return -EINVAL;
653 }
654
655 if (value < 1 || value > 10) {
656 wl1271_warning("dtim value is not in valid range");
657 return -ERANGE;
658 }
659
660 mutex_lock(&wl->mutex);
661
662 wl->conf.conn.listen_interval = value;
663 /* for some reason there are different event types for 1 and >1 */
664 if (value == 1)
665 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
666 else
667 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
668
669 /*
670 * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
671 * take effect on the next time we enter psm.
672 */
673 mutex_unlock(&wl->mutex);
674 return count;
675}
676
677static const struct file_operations dtim_interval_ops = {
678 .read = dtim_interval_read,
679 .write = dtim_interval_write,
680 .open = simple_open,
681 .llseek = default_llseek,
682};
683
684
685
686static ssize_t suspend_dtim_interval_read(struct file *file,
687 char __user *user_buf,
688 size_t count, loff_t *ppos)
689{
690 struct wl1271 *wl = file->private_data;
691 u8 value;
692
693 if (wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
694 wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
695 value = wl->conf.conn.suspend_listen_interval;
696 else
697 value = 0;
698
699 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
700}
701
702static ssize_t suspend_dtim_interval_write(struct file *file,
703 const char __user *user_buf,
704 size_t count, loff_t *ppos)
705{
706 struct wl1271 *wl = file->private_data;
707 unsigned long value;
708 int ret;
709
710 ret = kstrtoul_from_user(user_buf, count, 10, &value);
711 if (ret < 0) {
712 wl1271_warning("illegal value for suspend_dtim_interval");
713 return -EINVAL;
714 }
715
716 if (value < 1 || value > 10) {
717 wl1271_warning("suspend_dtim value is not in valid range");
718 return -ERANGE;
719 }
720
721 mutex_lock(&wl->mutex);
722
723 wl->conf.conn.suspend_listen_interval = value;
724 /* for some reason there are different event types for 1 and >1 */
725 if (value == 1)
726 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
727 else
728 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
729
730 mutex_unlock(&wl->mutex);
731 return count;
732}
733
734
735static const struct file_operations suspend_dtim_interval_ops = {
736 .read = suspend_dtim_interval_read,
737 .write = suspend_dtim_interval_write,
738 .open = simple_open,
739 .llseek = default_llseek,
740};
741
742static ssize_t beacon_interval_read(struct file *file, char __user *user_buf,
743 size_t count, loff_t *ppos)
744{
745 struct wl1271 *wl = file->private_data;
746 u8 value;
747
748 if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_BEACON ||
749 wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_BEACONS)
750 value = wl->conf.conn.listen_interval;
751 else
752 value = 0;
753
754 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
755}
756
757static ssize_t beacon_interval_write(struct file *file,
758 const char __user *user_buf,
759 size_t count, loff_t *ppos)
760{
761 struct wl1271 *wl = file->private_data;
762 unsigned long value;
763 int ret;
764
765 ret = kstrtoul_from_user(user_buf, count, 10, &value);
766 if (ret < 0) {
767 wl1271_warning("illegal value for beacon_interval");
768 return -EINVAL;
769 }
770
771 if (value < 1 || value > 255) {
772 wl1271_warning("beacon interval value is not in valid range");
773 return -ERANGE;
774 }
775
776 mutex_lock(&wl->mutex);
777
778 wl->conf.conn.listen_interval = value;
779 /* for some reason there are different event types for 1 and >1 */
780 if (value == 1)
781 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_BEACON;
782 else
783 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_BEACONS;
784
785 /*
786 * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
787 * take effect on the next time we enter psm.
788 */
789 mutex_unlock(&wl->mutex);
790 return count;
791}
792
793static const struct file_operations beacon_interval_ops = {
794 .read = beacon_interval_read,
795 .write = beacon_interval_write,
796 .open = simple_open,
797 .llseek = default_llseek,
798};
799
800static ssize_t rx_streaming_interval_write(struct file *file,
801 const char __user *user_buf,
802 size_t count, loff_t *ppos)
803{
804 struct wl1271 *wl = file->private_data;
805 struct wl12xx_vif *wlvif;
806 unsigned long value;
807 int ret;
808
809 ret = kstrtoul_from_user(user_buf, count, 10, &value);
810 if (ret < 0) {
811 wl1271_warning("illegal value in rx_streaming_interval!");
812 return -EINVAL;
813 }
814
815 /* valid values: 0, 10-100 */
816 if (value && (value < 10 || value > 100)) {
817 wl1271_warning("value is not in range!");
818 return -ERANGE;
819 }
820
821 mutex_lock(&wl->mutex);
822
823 wl->conf.rx_streaming.interval = value;
824
825 ret = pm_runtime_resume_and_get(wl->dev);
826 if (ret < 0)
827 goto out;
828
829 wl12xx_for_each_wlvif_sta(wl, wlvif) {
830 wl1271_recalc_rx_streaming(wl, wlvif);
831 }
832
833 pm_runtime_mark_last_busy(wl->dev);
834 pm_runtime_put_autosuspend(wl->dev);
835out:
836 mutex_unlock(&wl->mutex);
837 return count;
838}
839
840static ssize_t rx_streaming_interval_read(struct file *file,
841 char __user *userbuf,
842 size_t count, loff_t *ppos)
843{
844 struct wl1271 *wl = file->private_data;
845 return wl1271_format_buffer(userbuf, count, ppos,
846 "%d\n", wl->conf.rx_streaming.interval);
847}
848
849static const struct file_operations rx_streaming_interval_ops = {
850 .read = rx_streaming_interval_read,
851 .write = rx_streaming_interval_write,
852 .open = simple_open,
853 .llseek = default_llseek,
854};
855
856static ssize_t rx_streaming_always_write(struct file *file,
857 const char __user *user_buf,
858 size_t count, loff_t *ppos)
859{
860 struct wl1271 *wl = file->private_data;
861 struct wl12xx_vif *wlvif;
862 unsigned long value;
863 int ret;
864
865 ret = kstrtoul_from_user(user_buf, count, 10, &value);
866 if (ret < 0) {
867 wl1271_warning("illegal value in rx_streaming_write!");
868 return -EINVAL;
869 }
870
871 /* valid values: 0, 10-100 */
872 if (!(value == 0 || value == 1)) {
873 wl1271_warning("value is not in valid!");
874 return -EINVAL;
875 }
876
877 mutex_lock(&wl->mutex);
878
879 wl->conf.rx_streaming.always = value;
880
881 ret = pm_runtime_resume_and_get(wl->dev);
882 if (ret < 0)
883 goto out;
884
885 wl12xx_for_each_wlvif_sta(wl, wlvif) {
886 wl1271_recalc_rx_streaming(wl, wlvif);
887 }
888
889 pm_runtime_mark_last_busy(wl->dev);
890 pm_runtime_put_autosuspend(wl->dev);
891out:
892 mutex_unlock(&wl->mutex);
893 return count;
894}
895
896static ssize_t rx_streaming_always_read(struct file *file,
897 char __user *userbuf,
898 size_t count, loff_t *ppos)
899{
900 struct wl1271 *wl = file->private_data;
901 return wl1271_format_buffer(userbuf, count, ppos,
902 "%d\n", wl->conf.rx_streaming.always);
903}
904
905static const struct file_operations rx_streaming_always_ops = {
906 .read = rx_streaming_always_read,
907 .write = rx_streaming_always_write,
908 .open = simple_open,
909 .llseek = default_llseek,
910};
911
912static ssize_t beacon_filtering_write(struct file *file,
913 const char __user *user_buf,
914 size_t count, loff_t *ppos)
915{
916 struct wl1271 *wl = file->private_data;
917 struct wl12xx_vif *wlvif;
918 unsigned long value;
919 int ret;
920
921 ret = kstrtoul_from_user(user_buf, count, 0, &value);
922 if (ret < 0) {
923 wl1271_warning("illegal value for beacon_filtering!");
924 return -EINVAL;
925 }
926
927 mutex_lock(&wl->mutex);
928
929 ret = pm_runtime_resume_and_get(wl->dev);
930 if (ret < 0)
931 goto out;
932
933 wl12xx_for_each_wlvif(wl, wlvif) {
934 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, !!value);
935 }
936
937 pm_runtime_mark_last_busy(wl->dev);
938 pm_runtime_put_autosuspend(wl->dev);
939out:
940 mutex_unlock(&wl->mutex);
941 return count;
942}
943
944static const struct file_operations beacon_filtering_ops = {
945 .write = beacon_filtering_write,
946 .open = simple_open,
947 .llseek = default_llseek,
948};
949
950static ssize_t fw_stats_raw_read(struct file *file,
951 char __user *userbuf,
952 size_t count, loff_t *ppos)
953{
954 struct wl1271 *wl = file->private_data;
955
956 wl1271_debugfs_update_stats(wl);
957
958 return simple_read_from_buffer(userbuf, count, ppos,
959 wl->stats.fw_stats,
960 wl->stats.fw_stats_len);
961}
962
963static const struct file_operations fw_stats_raw_ops = {
964 .read = fw_stats_raw_read,
965 .open = simple_open,
966 .llseek = default_llseek,
967};
968
969static ssize_t sleep_auth_read(struct file *file, char __user *user_buf,
970 size_t count, loff_t *ppos)
971{
972 struct wl1271 *wl = file->private_data;
973
974 return wl1271_format_buffer(user_buf, count,
975 ppos, "%d\n",
976 wl->sleep_auth);
977}
978
979static ssize_t sleep_auth_write(struct file *file,
980 const char __user *user_buf,
981 size_t count, loff_t *ppos)
982{
983 struct wl1271 *wl = file->private_data;
984 unsigned long value;
985 int ret;
986
987 ret = kstrtoul_from_user(user_buf, count, 0, &value);
988 if (ret < 0) {
989 wl1271_warning("illegal value in sleep_auth");
990 return -EINVAL;
991 }
992
993 if (value > WL1271_PSM_MAX) {
994 wl1271_warning("sleep_auth must be between 0 and %d",
995 WL1271_PSM_MAX);
996 return -ERANGE;
997 }
998
999 mutex_lock(&wl->mutex);
1000
1001 wl->conf.conn.sta_sleep_auth = value;
1002
1003 if (unlikely(wl->state != WLCORE_STATE_ON)) {
1004 /* this will show up on "read" in case we are off */
1005 wl->sleep_auth = value;
1006 goto out;
1007 }
1008
1009 ret = pm_runtime_resume_and_get(wl->dev);
1010 if (ret < 0)
1011 goto out;
1012
1013 ret = wl1271_acx_sleep_auth(wl, value);
1014 if (ret < 0)
1015 goto out_sleep;
1016
1017out_sleep:
1018 pm_runtime_mark_last_busy(wl->dev);
1019 pm_runtime_put_autosuspend(wl->dev);
1020out:
1021 mutex_unlock(&wl->mutex);
1022 return count;
1023}
1024
1025static const struct file_operations sleep_auth_ops = {
1026 .read = sleep_auth_read,
1027 .write = sleep_auth_write,
1028 .open = simple_open,
1029 .llseek = default_llseek,
1030};
1031
1032static ssize_t dev_mem_read(struct file *file,
1033 char __user *user_buf, size_t count,
1034 loff_t *ppos)
1035{
1036 struct wl1271 *wl = file->private_data;
1037 struct wlcore_partition_set part, old_part;
1038 size_t bytes = count;
1039 int ret;
1040 char *buf;
1041
1042 /* only requests of dword-aligned size and offset are supported */
1043 if (bytes % 4)
1044 return -EINVAL;
1045
1046 if (*ppos % 4)
1047 return -EINVAL;
1048
1049 /* function should return in reasonable time */
1050 bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
1051
1052 if (bytes == 0)
1053 return -EINVAL;
1054
1055 memset(&part, 0, sizeof(part));
1056 part.mem.start = *ppos;
1057 part.mem.size = bytes;
1058
1059 buf = kmalloc(bytes, GFP_KERNEL);
1060 if (!buf)
1061 return -ENOMEM;
1062
1063 mutex_lock(&wl->mutex);
1064
1065 if (unlikely(wl->state == WLCORE_STATE_OFF)) {
1066 ret = -EFAULT;
1067 goto skip_read;
1068 }
1069
1070 /*
1071 * Don't fail if elp_wakeup returns an error, so the device's memory
1072 * could be read even if the FW crashed
1073 */
1074 pm_runtime_get_sync(wl->dev);
1075
1076 /* store current partition and switch partition */
1077 memcpy(&old_part, &wl->curr_part, sizeof(old_part));
1078 ret = wlcore_set_partition(wl, &part);
1079 if (ret < 0)
1080 goto part_err;
1081
1082 ret = wlcore_raw_read(wl, 0, buf, bytes, false);
1083 if (ret < 0)
1084 goto read_err;
1085
1086read_err:
1087 /* recover partition */
1088 ret = wlcore_set_partition(wl, &old_part);
1089 if (ret < 0)
1090 goto part_err;
1091
1092part_err:
1093 pm_runtime_mark_last_busy(wl->dev);
1094 pm_runtime_put_autosuspend(wl->dev);
1095
1096skip_read:
1097 mutex_unlock(&wl->mutex);
1098
1099 if (ret == 0) {
1100 ret = copy_to_user(user_buf, buf, bytes);
1101 if (ret < bytes) {
1102 bytes -= ret;
1103 *ppos += bytes;
1104 ret = 0;
1105 } else {
1106 ret = -EFAULT;
1107 }
1108 }
1109
1110 kfree(buf);
1111
1112 return ((ret == 0) ? bytes : ret);
1113}
1114
1115static ssize_t dev_mem_write(struct file *file, const char __user *user_buf,
1116 size_t count, loff_t *ppos)
1117{
1118 struct wl1271 *wl = file->private_data;
1119 struct wlcore_partition_set part, old_part;
1120 size_t bytes = count;
1121 int ret;
1122 char *buf;
1123
1124 /* only requests of dword-aligned size and offset are supported */
1125 if (bytes % 4)
1126 return -EINVAL;
1127
1128 if (*ppos % 4)
1129 return -EINVAL;
1130
1131 /* function should return in reasonable time */
1132 bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
1133
1134 if (bytes == 0)
1135 return -EINVAL;
1136
1137 memset(&part, 0, sizeof(part));
1138 part.mem.start = *ppos;
1139 part.mem.size = bytes;
1140
1141 buf = memdup_user(user_buf, bytes);
1142 if (IS_ERR(buf))
1143 return PTR_ERR(buf);
1144
1145 mutex_lock(&wl->mutex);
1146
1147 if (unlikely(wl->state == WLCORE_STATE_OFF)) {
1148 ret = -EFAULT;
1149 goto skip_write;
1150 }
1151
1152 /*
1153 * Don't fail if elp_wakeup returns an error, so the device's memory
1154 * could be read even if the FW crashed
1155 */
1156 pm_runtime_get_sync(wl->dev);
1157
1158 /* store current partition and switch partition */
1159 memcpy(&old_part, &wl->curr_part, sizeof(old_part));
1160 ret = wlcore_set_partition(wl, &part);
1161 if (ret < 0)
1162 goto part_err;
1163
1164 ret = wlcore_raw_write(wl, 0, buf, bytes, false);
1165 if (ret < 0)
1166 goto write_err;
1167
1168write_err:
1169 /* recover partition */
1170 ret = wlcore_set_partition(wl, &old_part);
1171 if (ret < 0)
1172 goto part_err;
1173
1174part_err:
1175 pm_runtime_mark_last_busy(wl->dev);
1176 pm_runtime_put_autosuspend(wl->dev);
1177
1178skip_write:
1179 mutex_unlock(&wl->mutex);
1180
1181 if (ret == 0)
1182 *ppos += bytes;
1183
1184 kfree(buf);
1185
1186 return ((ret == 0) ? bytes : ret);
1187}
1188
1189static loff_t dev_mem_seek(struct file *file, loff_t offset, int orig)
1190{
1191 /* only requests of dword-aligned size and offset are supported */
1192 if (offset % 4)
1193 return -EINVAL;
1194
1195 return no_seek_end_llseek(file, offset, orig);
1196}
1197
1198static const struct file_operations dev_mem_ops = {
1199 .open = simple_open,
1200 .read = dev_mem_read,
1201 .write = dev_mem_write,
1202 .llseek = dev_mem_seek,
1203};
1204
1205static ssize_t fw_logger_read(struct file *file, char __user *user_buf,
1206 size_t count, loff_t *ppos)
1207{
1208 struct wl1271 *wl = file->private_data;
1209
1210 return wl1271_format_buffer(user_buf, count,
1211 ppos, "%d\n",
1212 wl->conf.fwlog.output);
1213}
1214
1215static ssize_t fw_logger_write(struct file *file,
1216 const char __user *user_buf,
1217 size_t count, loff_t *ppos)
1218{
1219 struct wl1271 *wl = file->private_data;
1220 unsigned long value;
1221 int ret;
1222
1223 ret = kstrtoul_from_user(user_buf, count, 0, &value);
1224 if (ret < 0) {
1225 wl1271_warning("illegal value in fw_logger");
1226 return -EINVAL;
1227 }
1228
1229 if ((value > 2) || (value == 0)) {
1230 wl1271_warning("fw_logger value must be 1-UART 2-SDIO");
1231 return -ERANGE;
1232 }
1233
1234 if (wl->conf.fwlog.output == 0) {
1235 wl1271_warning("invalid operation - fw logger disabled by default, please change mode via wlconf");
1236 return -EINVAL;
1237 }
1238
1239 mutex_lock(&wl->mutex);
1240 ret = pm_runtime_resume_and_get(wl->dev);
1241 if (ret < 0) {
1242 count = ret;
1243 goto out;
1244 }
1245
1246 wl->conf.fwlog.output = value;
1247
1248 ret = wl12xx_cmd_config_fwlog(wl);
1249
1250 pm_runtime_mark_last_busy(wl->dev);
1251 pm_runtime_put_autosuspend(wl->dev);
1252
1253out:
1254 mutex_unlock(&wl->mutex);
1255 return count;
1256}
1257
1258static const struct file_operations fw_logger_ops = {
1259 .open = simple_open,
1260 .read = fw_logger_read,
1261 .write = fw_logger_write,
1262 .llseek = default_llseek,
1263};
1264
1265static void wl1271_debugfs_add_files(struct wl1271 *wl,
1266 struct dentry *rootdir)
1267{
1268 struct dentry *streaming;
1269
1270 DEBUGFS_ADD(tx_queue_len, rootdir);
1271 DEBUGFS_ADD(retry_count, rootdir);
1272 DEBUGFS_ADD(excessive_retries, rootdir);
1273
1274 DEBUGFS_ADD(gpio_power, rootdir);
1275 DEBUGFS_ADD(start_recovery, rootdir);
1276 DEBUGFS_ADD(driver_state, rootdir);
1277 DEBUGFS_ADD(vifs_state, rootdir);
1278 DEBUGFS_ADD(dtim_interval, rootdir);
1279 DEBUGFS_ADD(suspend_dtim_interval, rootdir);
1280 DEBUGFS_ADD(beacon_interval, rootdir);
1281 DEBUGFS_ADD(beacon_filtering, rootdir);
1282 DEBUGFS_ADD(dynamic_ps_timeout, rootdir);
1283 DEBUGFS_ADD(forced_ps, rootdir);
1284 DEBUGFS_ADD(split_scan_timeout, rootdir);
1285 DEBUGFS_ADD(irq_pkt_threshold, rootdir);
1286 DEBUGFS_ADD(irq_blk_threshold, rootdir);
1287 DEBUGFS_ADD(irq_timeout, rootdir);
1288 DEBUGFS_ADD(fw_stats_raw, rootdir);
1289 DEBUGFS_ADD(sleep_auth, rootdir);
1290 DEBUGFS_ADD(fw_logger, rootdir);
1291
1292 streaming = debugfs_create_dir("rx_streaming", rootdir);
1293
1294 DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming);
1295 DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming);
1296
1297 DEBUGFS_ADD_PREFIX(dev, mem, rootdir);
1298}
1299
1300void wl1271_debugfs_reset(struct wl1271 *wl)
1301{
1302 if (!wl->stats.fw_stats)
1303 return;
1304
1305 memset(wl->stats.fw_stats, 0, wl->stats.fw_stats_len);
1306 wl->stats.retry_count = 0;
1307 wl->stats.excessive_retries = 0;
1308}
1309
1310int wl1271_debugfs_init(struct wl1271 *wl)
1311{
1312 int ret;
1313 struct dentry *rootdir;
1314
1315 rootdir = debugfs_create_dir(KBUILD_MODNAME,
1316 wl->hw->wiphy->debugfsdir);
1317
1318 wl->stats.fw_stats = kzalloc(wl->stats.fw_stats_len, GFP_KERNEL);
1319 if (!wl->stats.fw_stats) {
1320 ret = -ENOMEM;
1321 goto out_remove;
1322 }
1323
1324 wl->stats.fw_stats_update = jiffies;
1325
1326 wl1271_debugfs_add_files(wl, rootdir);
1327
1328 ret = wlcore_debugfs_init(wl, rootdir);
1329 if (ret < 0)
1330 goto out_exit;
1331
1332 goto out;
1333
1334out_exit:
1335 wl1271_debugfs_exit(wl);
1336
1337out_remove:
1338 debugfs_remove_recursive(rootdir);
1339
1340out:
1341 return ret;
1342}
1343
1344void wl1271_debugfs_exit(struct wl1271 *wl)
1345{
1346 kfree(wl->stats.fw_stats);
1347 wl->stats.fw_stats = NULL;
1348}
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 "wlcore.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
41static 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...) \
56static 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 \
64static 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) \
85static 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 \
97static 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
106static 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
125out:
126 mutex_unlock(&wl->mutex);
127}
128
129DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, "%u");
130
131DEBUGFS_FWSTATS_FILE(rx, out_of_mem, "%u");
132DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, "%u");
133DEBUGFS_FWSTATS_FILE(rx, hw_stuck, "%u");
134DEBUGFS_FWSTATS_FILE(rx, dropped, "%u");
135DEBUGFS_FWSTATS_FILE(rx, fcs_err, "%u");
136DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, "%u");
137DEBUGFS_FWSTATS_FILE(rx, path_reset, "%u");
138DEBUGFS_FWSTATS_FILE(rx, reset_counter, "%u");
139
140DEBUGFS_FWSTATS_FILE(dma, rx_requested, "%u");
141DEBUGFS_FWSTATS_FILE(dma, rx_errors, "%u");
142DEBUGFS_FWSTATS_FILE(dma, tx_requested, "%u");
143DEBUGFS_FWSTATS_FILE(dma, tx_errors, "%u");
144
145DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, "%u");
146DEBUGFS_FWSTATS_FILE(isr, fiqs, "%u");
147DEBUGFS_FWSTATS_FILE(isr, rx_headers, "%u");
148DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, "%u");
149DEBUGFS_FWSTATS_FILE(isr, rx_rdys, "%u");
150DEBUGFS_FWSTATS_FILE(isr, irqs, "%u");
151DEBUGFS_FWSTATS_FILE(isr, tx_procs, "%u");
152DEBUGFS_FWSTATS_FILE(isr, decrypt_done, "%u");
153DEBUGFS_FWSTATS_FILE(isr, dma0_done, "%u");
154DEBUGFS_FWSTATS_FILE(isr, dma1_done, "%u");
155DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, "%u");
156DEBUGFS_FWSTATS_FILE(isr, commands, "%u");
157DEBUGFS_FWSTATS_FILE(isr, rx_procs, "%u");
158DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, "%u");
159DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, "%u");
160DEBUGFS_FWSTATS_FILE(isr, pci_pm, "%u");
161DEBUGFS_FWSTATS_FILE(isr, wakeups, "%u");
162DEBUGFS_FWSTATS_FILE(isr, low_rssi, "%u");
163
164DEBUGFS_FWSTATS_FILE(wep, addr_key_count, "%u");
165DEBUGFS_FWSTATS_FILE(wep, default_key_count, "%u");
166/* skipping wep.reserved */
167DEBUGFS_FWSTATS_FILE(wep, key_not_found, "%u");
168DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, "%u");
169DEBUGFS_FWSTATS_FILE(wep, packets, "%u");
170DEBUGFS_FWSTATS_FILE(wep, interrupt, "%u");
171
172DEBUGFS_FWSTATS_FILE(pwr, ps_enter, "%u");
173DEBUGFS_FWSTATS_FILE(pwr, elp_enter, "%u");
174DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, "%u");
175DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, "%u");
176DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, "%u");
177DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, "%u");
178DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, "%u");
179DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, "%u");
180DEBUGFS_FWSTATS_FILE(pwr, power_save_off, "%u");
181DEBUGFS_FWSTATS_FILE(pwr, enable_ps, "%u");
182DEBUGFS_FWSTATS_FILE(pwr, disable_ps, "%u");
183DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, "%u");
184/* skipping cont_miss_bcns_spread for now */
185DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, "%u");
186
187DEBUGFS_FWSTATS_FILE(mic, rx_pkts, "%u");
188DEBUGFS_FWSTATS_FILE(mic, calc_failure, "%u");
189
190DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, "%u");
191DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, "%u");
192DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, "%u");
193DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, "%u");
194DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, "%u");
195DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, "%u");
196
197DEBUGFS_FWSTATS_FILE(event, heart_beat, "%u");
198DEBUGFS_FWSTATS_FILE(event, calibration, "%u");
199DEBUGFS_FWSTATS_FILE(event, rx_mismatch, "%u");
200DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, "%u");
201DEBUGFS_FWSTATS_FILE(event, rx_pool, "%u");
202DEBUGFS_FWSTATS_FILE(event, oom_late, "%u");
203DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, "%u");
204DEBUGFS_FWSTATS_FILE(event, tx_stuck, "%u");
205
206DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, "%u");
207DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, "%u");
208DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, "%u");
209DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, "%u");
210DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, "%u");
211DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, "%u");
212DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, "%u");
213
214DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, "%u");
215DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, "%u");
216DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, "%u");
217DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, "%u");
218DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, "%u");
219
220DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
221DEBUGFS_READONLY_FILE(excessive_retries, "%u",
222 wl->stats.excessive_retries);
223
224static 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
238static const struct file_operations tx_queue_len_ops = {
239 .read = tx_queue_len_read,
240 .open = simple_open,
241 .llseek = default_llseek,
242};
243
244static 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
258static 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
283static 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
290static 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
303static const struct file_operations start_recovery_ops = {
304 .write = start_recovery_write,
305 .open = simple_open,
306 .llseek = default_llseek,
307};
308
309static 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
319static 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
361out:
362 mutex_unlock(&wl->mutex);
363 return count;
364}
365
366static 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
373static 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
383static 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
430out:
431 mutex_unlock(&wl->mutex);
432 return count;
433}
434
435static 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
442static 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
452static 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
477static 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
484static 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
561static const struct file_operations driver_state_ops = {
562 .read = driver_state_read,
563 .open = simple_open,
564 .llseek = default_llseek,
565};
566
567static 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_INT(is_gem);
651 VIF_STATE_PRINT_LLHEX(tx_security_seq);
652 VIF_STATE_PRINT_INT(tx_security_last_seq_lsb);
653 }
654
655#undef VIF_STATE_PRINT_INT
656#undef VIF_STATE_PRINT_LONG
657#undef VIF_STATE_PRINT_HEX
658#undef VIF_STATE_PRINT_LHEX
659#undef VIF_STATE_PRINT_LLHEX
660#undef VIF_STATE_PRINT_STR
661#undef VIF_STATE_PRINT_NSTR
662#undef VIF_STATE_PRINT
663
664 mutex_unlock(&wl->mutex);
665
666 ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
667 kfree(buf);
668 return ret;
669}
670
671static const struct file_operations vifs_state_ops = {
672 .read = vifs_state_read,
673 .open = simple_open,
674 .llseek = default_llseek,
675};
676
677static ssize_t dtim_interval_read(struct file *file, char __user *user_buf,
678 size_t count, loff_t *ppos)
679{
680 struct wl1271 *wl = file->private_data;
681 u8 value;
682
683 if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
684 wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
685 value = wl->conf.conn.listen_interval;
686 else
687 value = 0;
688
689 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
690}
691
692static ssize_t dtim_interval_write(struct file *file,
693 const char __user *user_buf,
694 size_t count, loff_t *ppos)
695{
696 struct wl1271 *wl = file->private_data;
697 unsigned long value;
698 int ret;
699
700 ret = kstrtoul_from_user(user_buf, count, 10, &value);
701 if (ret < 0) {
702 wl1271_warning("illegal value for dtim_interval");
703 return -EINVAL;
704 }
705
706 if (value < 1 || value > 10) {
707 wl1271_warning("dtim value is not in valid range");
708 return -ERANGE;
709 }
710
711 mutex_lock(&wl->mutex);
712
713 wl->conf.conn.listen_interval = value;
714 /* for some reason there are different event types for 1 and >1 */
715 if (value == 1)
716 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
717 else
718 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
719
720 /*
721 * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
722 * take effect on the next time we enter psm.
723 */
724 mutex_unlock(&wl->mutex);
725 return count;
726}
727
728static const struct file_operations dtim_interval_ops = {
729 .read = dtim_interval_read,
730 .write = dtim_interval_write,
731 .open = simple_open,
732 .llseek = default_llseek,
733};
734
735
736
737static ssize_t suspend_dtim_interval_read(struct file *file,
738 char __user *user_buf,
739 size_t count, loff_t *ppos)
740{
741 struct wl1271 *wl = file->private_data;
742 u8 value;
743
744 if (wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
745 wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
746 value = wl->conf.conn.suspend_listen_interval;
747 else
748 value = 0;
749
750 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
751}
752
753static ssize_t suspend_dtim_interval_write(struct file *file,
754 const char __user *user_buf,
755 size_t count, loff_t *ppos)
756{
757 struct wl1271 *wl = file->private_data;
758 unsigned long value;
759 int ret;
760
761 ret = kstrtoul_from_user(user_buf, count, 10, &value);
762 if (ret < 0) {
763 wl1271_warning("illegal value for suspend_dtim_interval");
764 return -EINVAL;
765 }
766
767 if (value < 1 || value > 10) {
768 wl1271_warning("suspend_dtim value is not in valid range");
769 return -ERANGE;
770 }
771
772 mutex_lock(&wl->mutex);
773
774 wl->conf.conn.suspend_listen_interval = value;
775 /* for some reason there are different event types for 1 and >1 */
776 if (value == 1)
777 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
778 else
779 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
780
781 mutex_unlock(&wl->mutex);
782 return count;
783}
784
785
786static const struct file_operations suspend_dtim_interval_ops = {
787 .read = suspend_dtim_interval_read,
788 .write = suspend_dtim_interval_write,
789 .open = simple_open,
790 .llseek = default_llseek,
791};
792
793static ssize_t beacon_interval_read(struct file *file, char __user *user_buf,
794 size_t count, loff_t *ppos)
795{
796 struct wl1271 *wl = file->private_data;
797 u8 value;
798
799 if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_BEACON ||
800 wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_BEACONS)
801 value = wl->conf.conn.listen_interval;
802 else
803 value = 0;
804
805 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
806}
807
808static ssize_t beacon_interval_write(struct file *file,
809 const char __user *user_buf,
810 size_t count, loff_t *ppos)
811{
812 struct wl1271 *wl = file->private_data;
813 unsigned long value;
814 int ret;
815
816 ret = kstrtoul_from_user(user_buf, count, 10, &value);
817 if (ret < 0) {
818 wl1271_warning("illegal value for beacon_interval");
819 return -EINVAL;
820 }
821
822 if (value < 1 || value > 255) {
823 wl1271_warning("beacon interval value is not in valid range");
824 return -ERANGE;
825 }
826
827 mutex_lock(&wl->mutex);
828
829 wl->conf.conn.listen_interval = value;
830 /* for some reason there are different event types for 1 and >1 */
831 if (value == 1)
832 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_BEACON;
833 else
834 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_BEACONS;
835
836 /*
837 * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
838 * take effect on the next time we enter psm.
839 */
840 mutex_unlock(&wl->mutex);
841 return count;
842}
843
844static const struct file_operations beacon_interval_ops = {
845 .read = beacon_interval_read,
846 .write = beacon_interval_write,
847 .open = simple_open,
848 .llseek = default_llseek,
849};
850
851static ssize_t rx_streaming_interval_write(struct file *file,
852 const char __user *user_buf,
853 size_t count, loff_t *ppos)
854{
855 struct wl1271 *wl = file->private_data;
856 struct wl12xx_vif *wlvif;
857 unsigned long value;
858 int ret;
859
860 ret = kstrtoul_from_user(user_buf, count, 10, &value);
861 if (ret < 0) {
862 wl1271_warning("illegal value in rx_streaming_interval!");
863 return -EINVAL;
864 }
865
866 /* valid values: 0, 10-100 */
867 if (value && (value < 10 || value > 100)) {
868 wl1271_warning("value is not in range!");
869 return -ERANGE;
870 }
871
872 mutex_lock(&wl->mutex);
873
874 wl->conf.rx_streaming.interval = value;
875
876 ret = wl1271_ps_elp_wakeup(wl);
877 if (ret < 0)
878 goto out;
879
880 wl12xx_for_each_wlvif_sta(wl, wlvif) {
881 wl1271_recalc_rx_streaming(wl, wlvif);
882 }
883
884 wl1271_ps_elp_sleep(wl);
885out:
886 mutex_unlock(&wl->mutex);
887 return count;
888}
889
890static ssize_t rx_streaming_interval_read(struct file *file,
891 char __user *userbuf,
892 size_t count, loff_t *ppos)
893{
894 struct wl1271 *wl = file->private_data;
895 return wl1271_format_buffer(userbuf, count, ppos,
896 "%d\n", wl->conf.rx_streaming.interval);
897}
898
899static const struct file_operations rx_streaming_interval_ops = {
900 .read = rx_streaming_interval_read,
901 .write = rx_streaming_interval_write,
902 .open = simple_open,
903 .llseek = default_llseek,
904};
905
906static ssize_t rx_streaming_always_write(struct file *file,
907 const char __user *user_buf,
908 size_t count, loff_t *ppos)
909{
910 struct wl1271 *wl = file->private_data;
911 struct wl12xx_vif *wlvif;
912 unsigned long value;
913 int ret;
914
915 ret = kstrtoul_from_user(user_buf, count, 10, &value);
916 if (ret < 0) {
917 wl1271_warning("illegal value in rx_streaming_write!");
918 return -EINVAL;
919 }
920
921 /* valid values: 0, 10-100 */
922 if (!(value == 0 || value == 1)) {
923 wl1271_warning("value is not in valid!");
924 return -EINVAL;
925 }
926
927 mutex_lock(&wl->mutex);
928
929 wl->conf.rx_streaming.always = value;
930
931 ret = wl1271_ps_elp_wakeup(wl);
932 if (ret < 0)
933 goto out;
934
935 wl12xx_for_each_wlvif_sta(wl, wlvif) {
936 wl1271_recalc_rx_streaming(wl, wlvif);
937 }
938
939 wl1271_ps_elp_sleep(wl);
940out:
941 mutex_unlock(&wl->mutex);
942 return count;
943}
944
945static ssize_t rx_streaming_always_read(struct file *file,
946 char __user *userbuf,
947 size_t count, loff_t *ppos)
948{
949 struct wl1271 *wl = file->private_data;
950 return wl1271_format_buffer(userbuf, count, ppos,
951 "%d\n", wl->conf.rx_streaming.always);
952}
953
954static const struct file_operations rx_streaming_always_ops = {
955 .read = rx_streaming_always_read,
956 .write = rx_streaming_always_write,
957 .open = simple_open,
958 .llseek = default_llseek,
959};
960
961static ssize_t beacon_filtering_write(struct file *file,
962 const char __user *user_buf,
963 size_t count, loff_t *ppos)
964{
965 struct wl1271 *wl = file->private_data;
966 struct wl12xx_vif *wlvif;
967 char buf[10];
968 size_t len;
969 unsigned long value;
970 int ret;
971
972 len = min(count, sizeof(buf) - 1);
973 if (copy_from_user(buf, user_buf, len))
974 return -EFAULT;
975 buf[len] = '\0';
976
977 ret = kstrtoul(buf, 0, &value);
978 if (ret < 0) {
979 wl1271_warning("illegal value for beacon_filtering!");
980 return -EINVAL;
981 }
982
983 mutex_lock(&wl->mutex);
984
985 ret = wl1271_ps_elp_wakeup(wl);
986 if (ret < 0)
987 goto out;
988
989 wl12xx_for_each_wlvif(wl, wlvif) {
990 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, !!value);
991 }
992
993 wl1271_ps_elp_sleep(wl);
994out:
995 mutex_unlock(&wl->mutex);
996 return count;
997}
998
999static const struct file_operations beacon_filtering_ops = {
1000 .write = beacon_filtering_write,
1001 .open = simple_open,
1002 .llseek = default_llseek,
1003};
1004
1005static int wl1271_debugfs_add_files(struct wl1271 *wl,
1006 struct dentry *rootdir)
1007{
1008 int ret = 0;
1009 struct dentry *entry, *stats, *streaming;
1010
1011 stats = debugfs_create_dir("fw-statistics", rootdir);
1012 if (!stats || IS_ERR(stats)) {
1013 entry = stats;
1014 goto err;
1015 }
1016
1017 DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
1018
1019 DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
1020 DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
1021 DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
1022 DEBUGFS_FWSTATS_ADD(rx, dropped);
1023 DEBUGFS_FWSTATS_ADD(rx, fcs_err);
1024 DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
1025 DEBUGFS_FWSTATS_ADD(rx, path_reset);
1026 DEBUGFS_FWSTATS_ADD(rx, reset_counter);
1027
1028 DEBUGFS_FWSTATS_ADD(dma, rx_requested);
1029 DEBUGFS_FWSTATS_ADD(dma, rx_errors);
1030 DEBUGFS_FWSTATS_ADD(dma, tx_requested);
1031 DEBUGFS_FWSTATS_ADD(dma, tx_errors);
1032
1033 DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
1034 DEBUGFS_FWSTATS_ADD(isr, fiqs);
1035 DEBUGFS_FWSTATS_ADD(isr, rx_headers);
1036 DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
1037 DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
1038 DEBUGFS_FWSTATS_ADD(isr, irqs);
1039 DEBUGFS_FWSTATS_ADD(isr, tx_procs);
1040 DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
1041 DEBUGFS_FWSTATS_ADD(isr, dma0_done);
1042 DEBUGFS_FWSTATS_ADD(isr, dma1_done);
1043 DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
1044 DEBUGFS_FWSTATS_ADD(isr, commands);
1045 DEBUGFS_FWSTATS_ADD(isr, rx_procs);
1046 DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
1047 DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
1048 DEBUGFS_FWSTATS_ADD(isr, pci_pm);
1049 DEBUGFS_FWSTATS_ADD(isr, wakeups);
1050 DEBUGFS_FWSTATS_ADD(isr, low_rssi);
1051
1052 DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
1053 DEBUGFS_FWSTATS_ADD(wep, default_key_count);
1054 /* skipping wep.reserved */
1055 DEBUGFS_FWSTATS_ADD(wep, key_not_found);
1056 DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
1057 DEBUGFS_FWSTATS_ADD(wep, packets);
1058 DEBUGFS_FWSTATS_ADD(wep, interrupt);
1059
1060 DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
1061 DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
1062 DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
1063 DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
1064 DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
1065 DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
1066 DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
1067 DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
1068 DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
1069 DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
1070 DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
1071 DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
1072 /* skipping cont_miss_bcns_spread for now */
1073 DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
1074
1075 DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
1076 DEBUGFS_FWSTATS_ADD(mic, calc_failure);
1077
1078 DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
1079 DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
1080 DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
1081 DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
1082 DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
1083 DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
1084
1085 DEBUGFS_FWSTATS_ADD(event, heart_beat);
1086 DEBUGFS_FWSTATS_ADD(event, calibration);
1087 DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
1088 DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
1089 DEBUGFS_FWSTATS_ADD(event, rx_pool);
1090 DEBUGFS_FWSTATS_ADD(event, oom_late);
1091 DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
1092 DEBUGFS_FWSTATS_ADD(event, tx_stuck);
1093
1094 DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
1095 DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
1096 DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
1097 DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
1098 DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
1099 DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
1100 DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
1101
1102 DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
1103 DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
1104 DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
1105 DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
1106 DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
1107
1108 DEBUGFS_ADD(tx_queue_len, rootdir);
1109 DEBUGFS_ADD(retry_count, rootdir);
1110 DEBUGFS_ADD(excessive_retries, rootdir);
1111
1112 DEBUGFS_ADD(gpio_power, rootdir);
1113 DEBUGFS_ADD(start_recovery, rootdir);
1114 DEBUGFS_ADD(driver_state, rootdir);
1115 DEBUGFS_ADD(vifs_state, rootdir);
1116 DEBUGFS_ADD(dtim_interval, rootdir);
1117 DEBUGFS_ADD(suspend_dtim_interval, rootdir);
1118 DEBUGFS_ADD(beacon_interval, rootdir);
1119 DEBUGFS_ADD(beacon_filtering, rootdir);
1120 DEBUGFS_ADD(dynamic_ps_timeout, rootdir);
1121 DEBUGFS_ADD(forced_ps, rootdir);
1122 DEBUGFS_ADD(split_scan_timeout, rootdir);
1123
1124 streaming = debugfs_create_dir("rx_streaming", rootdir);
1125 if (!streaming || IS_ERR(streaming))
1126 goto err;
1127
1128 DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming);
1129 DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming);
1130
1131
1132 return 0;
1133
1134err:
1135 if (IS_ERR(entry))
1136 ret = PTR_ERR(entry);
1137 else
1138 ret = -ENOMEM;
1139
1140 return ret;
1141}
1142
1143void wl1271_debugfs_reset(struct wl1271 *wl)
1144{
1145 if (!wl->stats.fw_stats)
1146 return;
1147
1148 memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
1149 wl->stats.retry_count = 0;
1150 wl->stats.excessive_retries = 0;
1151}
1152
1153int wl1271_debugfs_init(struct wl1271 *wl)
1154{
1155 int ret;
1156 struct dentry *rootdir;
1157
1158 rootdir = debugfs_create_dir(KBUILD_MODNAME,
1159 wl->hw->wiphy->debugfsdir);
1160
1161 if (IS_ERR(rootdir)) {
1162 ret = PTR_ERR(rootdir);
1163 goto err;
1164 }
1165
1166 wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
1167 GFP_KERNEL);
1168
1169 if (!wl->stats.fw_stats) {
1170 ret = -ENOMEM;
1171 goto err_fw;
1172 }
1173
1174 wl->stats.fw_stats_update = jiffies;
1175
1176 ret = wl1271_debugfs_add_files(wl, rootdir);
1177
1178 if (ret < 0)
1179 goto err_file;
1180
1181 return 0;
1182
1183err_file:
1184 kfree(wl->stats.fw_stats);
1185 wl->stats.fw_stats = NULL;
1186
1187err_fw:
1188 debugfs_remove_recursive(rootdir);
1189
1190err:
1191 return ret;
1192}
1193
1194void wl1271_debugfs_exit(struct wl1271 *wl)
1195{
1196 kfree(wl->stats.fw_stats);
1197 wl->stats.fw_stats = NULL;
1198}