1
2
3
4
5
6
7
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
26#define WL1271_DEBUGFS_STATS_LIFETIME 1000
27
28#define WLCORE_MAX_BLOCK_SIZE ((size_t)(4*PAGE_SIZE))
29
30
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_get_sync(wl->dev);
56 if (ret < 0) {
57 pm_runtime_put_noidle(wl->dev);
58 goto out;
59 }
60
61 if (!wl->plt &&
62 time_after(jiffies, wl->stats.fw_stats_update +
63 msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
64 wl1271_acx_statistics(wl, wl->stats.fw_stats);
65 wl->stats.fw_stats_update = jiffies;
66 }
67
68 pm_runtime_mark_last_busy(wl->dev);
69 pm_runtime_put_autosuspend(wl->dev);
70
71out:
72 mutex_unlock(&wl->mutex);
73}
74EXPORT_SYMBOL_GPL(wl1271_debugfs_update_stats);
75
76DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
77DEBUGFS_READONLY_FILE(excessive_retries, "%u",
78 wl->stats.excessive_retries);
79
80static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
81 size_t count, loff_t *ppos)
82{
83 struct wl1271 *wl = file->private_data;
84 u32 queue_len;
85 char buf[20];
86 int res;
87
88 queue_len = wl1271_tx_total_queue_count(wl);
89
90 res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
91 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
92}
93
94static const struct file_operations tx_queue_len_ops = {
95 .read = tx_queue_len_read,
96 .open = simple_open,
97 .llseek = default_llseek,
98};
99
100static void chip_op_handler(struct wl1271 *wl, unsigned long value,
101 void *arg)
102{
103 int ret;
104 int (*chip_op) (struct wl1271 *wl);
105
106 if (!arg) {
107 wl1271_warning("debugfs chip_op_handler with no callback");
108 return;
109 }
110
111 ret = pm_runtime_get_sync(wl->dev);
112 if (ret < 0) {
113 pm_runtime_put_noidle(wl->dev);
114
115 return;
116 }
117
118 chip_op = arg;
119 chip_op(wl);
120
121 pm_runtime_mark_last_busy(wl->dev);
122 pm_runtime_put_autosuspend(wl->dev);
123}
124
125#define WL12XX_CONF_DEBUGFS(param, conf_sub_struct, \
126 min_val, max_val, write_handler_locked, \
127 write_handler_arg) \
128 static ssize_t param##_read(struct file *file, \
129 char __user *user_buf, \
130 size_t count, loff_t *ppos) \
131 { \
132 struct wl1271 *wl = file->private_data; \
133 return wl1271_format_buffer(user_buf, count, \
134 ppos, "%d\n", \
135 wl->conf.conf_sub_struct.param); \
136 } \
137 \
138 static ssize_t param##_write(struct file *file, \
139 const char __user *user_buf, \
140 size_t count, loff_t *ppos) \
141 { \
142 struct wl1271 *wl = file->private_data; \
143 unsigned long value; \
144 int ret; \
145 \
146 ret = kstrtoul_from_user(user_buf, count, 10, &value); \
147 if (ret < 0) { \
148 wl1271_warning("illegal value for " #param); \
149 return -EINVAL; \
150 } \
151 \
152 if (value < min_val || value > max_val) { \
153 wl1271_warning(#param " is not in valid range"); \
154 return -ERANGE; \
155 } \
156 \
157 mutex_lock(&wl->mutex); \
158 wl->conf.conf_sub_struct.param = value; \
159 \
160 write_handler_locked(wl, value, write_handler_arg); \
161 \
162 mutex_unlock(&wl->mutex); \
163 return count; \
164 } \
165 \
166 static const struct file_operations param##_ops = { \
167 .read = param##_read, \
168 .write = param##_write, \
169 .open = simple_open, \
170 .llseek = default_llseek, \
171 };
172
173WL12XX_CONF_DEBUGFS(irq_pkt_threshold, rx, 0, 65535,
174 chip_op_handler, wl1271_acx_init_rx_interrupt)
175WL12XX_CONF_DEBUGFS(irq_blk_threshold, rx, 0, 65535,
176 chip_op_handler, wl1271_acx_init_rx_interrupt)
177WL12XX_CONF_DEBUGFS(irq_timeout, rx, 0, 100,
178 chip_op_handler, wl1271_acx_init_rx_interrupt)
179
180static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
181 size_t count, loff_t *ppos)
182{
183 struct wl1271 *wl = file->private_data;
184 bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
185
186 int res;
187 char buf[10];
188
189 res = scnprintf(buf, sizeof(buf), "%d\n", state);
190
191 return simple_read_from_buffer(user_buf, count, ppos, buf, res);
192}
193
194static ssize_t gpio_power_write(struct file *file,
195 const char __user *user_buf,
196 size_t count, loff_t *ppos)
197{
198 struct wl1271 *wl = file->private_data;
199 unsigned long value;
200 int ret;
201
202 ret = kstrtoul_from_user(user_buf, count, 10, &value);
203 if (ret < 0) {
204 wl1271_warning("illegal value in gpio_power");
205 return -EINVAL;
206 }
207
208 mutex_lock(&wl->mutex);
209
210 if (value)
211 wl1271_power_on(wl);
212 else
213 wl1271_power_off(wl);
214
215 mutex_unlock(&wl->mutex);
216 return count;
217}
218
219static const struct file_operations gpio_power_ops = {
220 .read = gpio_power_read,
221 .write = gpio_power_write,
222 .open = simple_open,
223 .llseek = default_llseek,
224};
225
226static ssize_t start_recovery_write(struct file *file,
227 const char __user *user_buf,
228 size_t count, loff_t *ppos)
229{
230 struct wl1271 *wl = file->private_data;
231
232 mutex_lock(&wl->mutex);
233 wl12xx_queue_recovery_work(wl);
234 mutex_unlock(&wl->mutex);
235
236 return count;
237}
238
239static const struct file_operations start_recovery_ops = {
240 .write = start_recovery_write,
241 .open = simple_open,
242 .llseek = default_llseek,
243};
244
245static ssize_t dynamic_ps_timeout_read(struct file *file, char __user *user_buf,
246 size_t count, loff_t *ppos)
247{
248 struct wl1271 *wl = file->private_data;
249
250 return wl1271_format_buffer(user_buf, count,
251 ppos, "%d\n",
252 wl->conf.conn.dynamic_ps_timeout);
253}
254
255static ssize_t dynamic_ps_timeout_write(struct file *file,
256 const char __user *user_buf,
257 size_t count, loff_t *ppos)
258{
259 struct wl1271 *wl = file->private_data;
260 struct wl12xx_vif *wlvif;
261 unsigned long value;
262 int ret;
263
264 ret = kstrtoul_from_user(user_buf, count, 10, &value);
265 if (ret < 0) {
266 wl1271_warning("illegal value in dynamic_ps");
267 return -EINVAL;
268 }
269
270 if (value < 1 || value > 65535) {
271 wl1271_warning("dynamic_ps_timeout is not in valid range");
272 return -ERANGE;
273 }
274
275 mutex_lock(&wl->mutex);
276
277 wl->conf.conn.dynamic_ps_timeout = value;
278
279 if (unlikely(wl->state != WLCORE_STATE_ON))
280 goto out;
281
282 ret = pm_runtime_get_sync(wl->dev);
283 if (ret < 0) {
284 pm_runtime_put_noidle(wl->dev);
285 goto out;
286 }
287
288
289
290
291
292 wl12xx_for_each_wlvif_sta(wl, wlvif) {
293 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
294 wl1271_ps_set_mode(wl, wlvif, STATION_AUTO_PS_MODE);
295 }
296
297 pm_runtime_mark_last_busy(wl->dev);
298 pm_runtime_put_autosuspend(wl->dev);
299
300out:
301 mutex_unlock(&wl->mutex);
302 return count;
303}
304
305static const struct file_operations dynamic_ps_timeout_ops = {
306 .read = dynamic_ps_timeout_read,
307 .write = dynamic_ps_timeout_write,
308 .open = simple_open,
309 .llseek = default_llseek,
310};
311
312static ssize_t forced_ps_read(struct file *file, char __user *user_buf,
313 size_t count, loff_t *ppos)
314{
315 struct wl1271 *wl = file->private_data;
316
317 return wl1271_format_buffer(user_buf, count,
318 ppos, "%d\n",
319 wl->conf.conn.forced_ps);
320}
321
322static ssize_t forced_ps_write(struct file *file,
323 const char __user *user_buf,
324 size_t count, loff_t *ppos)
325{
326 struct wl1271 *wl = file->private_data;
327 struct wl12xx_vif *wlvif;
328 unsigned long value;
329 int ret, ps_mode;
330
331 ret = kstrtoul_from_user(user_buf, count, 10, &value);
332 if (ret < 0) {
333 wl1271_warning("illegal value in forced_ps");
334 return -EINVAL;
335 }
336
337 if (value != 1 && value != 0) {
338 wl1271_warning("forced_ps should be either 0 or 1");
339 return -ERANGE;
340 }
341
342 mutex_lock(&wl->mutex);
343
344 if (wl->conf.conn.forced_ps == value)
345 goto out;
346
347 wl->conf.conn.forced_ps = value;
348
349 if (unlikely(wl->state != WLCORE_STATE_ON))
350 goto out;
351
352 ret = pm_runtime_get_sync(wl->dev);
353 if (ret < 0) {
354 pm_runtime_put_noidle(wl->dev);
355 goto out;
356 }
357
358
359
360
361
362 ps_mode = value ? STATION_POWER_SAVE_MODE : STATION_AUTO_PS_MODE;
363
364 wl12xx_for_each_wlvif_sta(wl, wlvif) {
365 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
366 wl1271_ps_set_mode(wl, wlvif, ps_mode);
367 }
368
369 pm_runtime_mark_last_busy(wl->dev);
370 pm_runtime_put_autosuspend(wl->dev);
371
372out:
373 mutex_unlock(&wl->mutex);
374 return count;
375}
376
377static const struct file_operations forced_ps_ops = {
378 .read = forced_ps_read,
379 .write = forced_ps_write,
380 .open = simple_open,
381 .llseek = default_llseek,
382};
383
384static ssize_t split_scan_timeout_read(struct file *file, char __user *user_buf,
385 size_t count, loff_t *ppos)
386{
387 struct wl1271 *wl = file->private_data;
388
389 return wl1271_format_buffer(user_buf, count,
390 ppos, "%d\n",
391 wl->conf.scan.split_scan_timeout / 1000);
392}
393
394static ssize_t split_scan_timeout_write(struct file *file,
395 const char __user *user_buf,
396 size_t count, loff_t *ppos)
397{
398 struct wl1271 *wl = file->private_data;
399 unsigned long value;
400 int ret;
401
402 ret = kstrtoul_from_user(user_buf, count, 10, &value);
403 if (ret < 0) {
404 wl1271_warning("illegal value in split_scan_timeout");
405 return -EINVAL;
406 }
407
408 if (value == 0)
409 wl1271_info("split scan will be disabled");
410
411 mutex_lock(&wl->mutex);
412
413 wl->conf.scan.split_scan_timeout = value * 1000;
414
415 mutex_unlock(&wl->mutex);
416 return count;
417}
418
419static const struct file_operations split_scan_timeout_ops = {
420 .read = split_scan_timeout_read,
421 .write = split_scan_timeout_write,
422 .open = simple_open,
423 .llseek = default_llseek,
424};
425
426static ssize_t driver_state_read(struct file *file, char __user *user_buf,
427 size_t count, loff_t *ppos)
428{
429 struct wl1271 *wl = file->private_data;
430 int res = 0;
431 ssize_t ret;
432 char *buf;
433 struct wl12xx_vif *wlvif;
434
435#define DRIVER_STATE_BUF_LEN 1024
436
437 buf = kmalloc(DRIVER_STATE_BUF_LEN, GFP_KERNEL);
438 if (!buf)
439 return -ENOMEM;
440
441 mutex_lock(&wl->mutex);
442
443#define DRIVER_STATE_PRINT(x, fmt) \
444 (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
445 #x " = " fmt "\n", wl->x))
446
447#define DRIVER_STATE_PRINT_GENERIC(x, fmt, args...) \
448 (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
449 #x " = " fmt "\n", args))
450
451#define DRIVER_STATE_PRINT_LONG(x) DRIVER_STATE_PRINT(x, "%ld")
452#define DRIVER_STATE_PRINT_INT(x) DRIVER_STATE_PRINT(x, "%d")
453#define DRIVER_STATE_PRINT_STR(x) DRIVER_STATE_PRINT(x, "%s")
454#define DRIVER_STATE_PRINT_LHEX(x) DRIVER_STATE_PRINT(x, "0x%lx")
455#define DRIVER_STATE_PRINT_HEX(x) DRIVER_STATE_PRINT(x, "0x%x")
456
457 wl12xx_for_each_wlvif_sta(wl, wlvif) {
458 if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
459 continue;
460
461 DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
462 wlvif->p2p ? "P2P-CL" : "STA");
463 }
464
465 wl12xx_for_each_wlvif_ap(wl, wlvif)
466 DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
467 wlvif->p2p ? "P2P-GO" : "AP");
468
469 DRIVER_STATE_PRINT_INT(tx_blocks_available);
470 DRIVER_STATE_PRINT_INT(tx_allocated_blocks);
471 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[0]);
472 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[1]);
473 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[2]);
474 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[3]);
475 DRIVER_STATE_PRINT_INT(tx_frames_cnt);
476 DRIVER_STATE_PRINT_LHEX(tx_frames_map[0]);
477 DRIVER_STATE_PRINT_INT(tx_queue_count[0]);
478 DRIVER_STATE_PRINT_INT(tx_queue_count[1]);
479 DRIVER_STATE_PRINT_INT(tx_queue_count[2]);
480 DRIVER_STATE_PRINT_INT(tx_queue_count[3]);
481 DRIVER_STATE_PRINT_INT(tx_packets_count);
482 DRIVER_STATE_PRINT_INT(tx_results_count);
483 DRIVER_STATE_PRINT_LHEX(flags);
484 DRIVER_STATE_PRINT_INT(tx_blocks_freed);
485 DRIVER_STATE_PRINT_INT(rx_counter);
486 DRIVER_STATE_PRINT_INT(state);
487 DRIVER_STATE_PRINT_INT(band);
488 DRIVER_STATE_PRINT_INT(power_level);
489 DRIVER_STATE_PRINT_INT(sg_enabled);
490 DRIVER_STATE_PRINT_INT(enable_11a);
491 DRIVER_STATE_PRINT_INT(noise);
492 DRIVER_STATE_PRINT_LHEX(ap_fw_ps_map);
493 DRIVER_STATE_PRINT_LHEX(ap_ps_map);
494 DRIVER_STATE_PRINT_HEX(quirks);
495 DRIVER_STATE_PRINT_HEX(irq);
496
497 DRIVER_STATE_PRINT_HEX(hw_pg_ver);
498 DRIVER_STATE_PRINT_HEX(irq_flags);
499 DRIVER_STATE_PRINT_HEX(chip.id);
500 DRIVER_STATE_PRINT_STR(chip.fw_ver_str);
501 DRIVER_STATE_PRINT_STR(chip.phy_fw_ver_str);
502 DRIVER_STATE_PRINT_INT(recovery_count);
503
504#undef DRIVER_STATE_PRINT_INT
505#undef DRIVER_STATE_PRINT_LONG
506#undef DRIVER_STATE_PRINT_HEX
507#undef DRIVER_STATE_PRINT_LHEX
508#undef DRIVER_STATE_PRINT_STR
509#undef DRIVER_STATE_PRINT
510#undef DRIVER_STATE_BUF_LEN
511
512 mutex_unlock(&wl->mutex);
513
514 ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
515 kfree(buf);
516 return ret;
517}
518
519static const struct file_operations driver_state_ops = {
520 .read = driver_state_read,
521 .open = simple_open,
522 .llseek = default_llseek,
523};
524
525static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
526 size_t count, loff_t *ppos)
527{
528 struct wl1271 *wl = file->private_data;
529 struct wl12xx_vif *wlvif;
530 int ret, res = 0;
531 const int buf_size = 4096;
532 char *buf;
533 char tmp_buf[64];
534
535 buf = kzalloc(buf_size, GFP_KERNEL);
536 if (!buf)
537 return -ENOMEM;
538
539 mutex_lock(&wl->mutex);
540
541#define VIF_STATE_PRINT(x, fmt) \
542 (res += scnprintf(buf + res, buf_size - res, \
543 #x " = " fmt "\n", wlvif->x))
544
545#define VIF_STATE_PRINT_LONG(x) VIF_STATE_PRINT(x, "%ld")
546#define VIF_STATE_PRINT_INT(x) VIF_STATE_PRINT(x, "%d")
547#define VIF_STATE_PRINT_STR(x) VIF_STATE_PRINT(x, "%s")
548#define VIF_STATE_PRINT_LHEX(x) VIF_STATE_PRINT(x, "0x%lx")
549#define VIF_STATE_PRINT_LLHEX(x) VIF_STATE_PRINT(x, "0x%llx")
550#define VIF_STATE_PRINT_HEX(x) VIF_STATE_PRINT(x, "0x%x")
551
552#define VIF_STATE_PRINT_NSTR(x, len) \
553 do { \
554 memset(tmp_buf, 0, sizeof(tmp_buf)); \
555 memcpy(tmp_buf, wlvif->x, \
556 min_t(u8, len, sizeof(tmp_buf) - 1)); \
557 res += scnprintf(buf + res, buf_size - res, \
558 #x " = %s\n", tmp_buf); \
559 } while (0)
560
561 wl12xx_for_each_wlvif(wl, wlvif) {
562 VIF_STATE_PRINT_INT(role_id);
563 VIF_STATE_PRINT_INT(bss_type);
564 VIF_STATE_PRINT_LHEX(flags);
565 VIF_STATE_PRINT_INT(p2p);
566 VIF_STATE_PRINT_INT(dev_role_id);
567 VIF_STATE_PRINT_INT(dev_hlid);
568
569 if (wlvif->bss_type == BSS_TYPE_STA_BSS ||
570 wlvif->bss_type == BSS_TYPE_IBSS) {
571 VIF_STATE_PRINT_INT(sta.hlid);
572 VIF_STATE_PRINT_INT(sta.basic_rate_idx);
573 VIF_STATE_PRINT_INT(sta.ap_rate_idx);
574 VIF_STATE_PRINT_INT(sta.p2p_rate_idx);
575 VIF_STATE_PRINT_INT(sta.qos);
576 } else {
577 VIF_STATE_PRINT_INT(ap.global_hlid);
578 VIF_STATE_PRINT_INT(ap.bcast_hlid);
579 VIF_STATE_PRINT_LHEX(ap.sta_hlid_map[0]);
580 VIF_STATE_PRINT_INT(ap.mgmt_rate_idx);
581 VIF_STATE_PRINT_INT(ap.bcast_rate_idx);
582 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[0]);
583 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[1]);
584 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[2]);
585 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[3]);
586 }
587 VIF_STATE_PRINT_INT(last_tx_hlid);
588 VIF_STATE_PRINT_INT(tx_queue_count[0]);
589 VIF_STATE_PRINT_INT(tx_queue_count[1]);
590 VIF_STATE_PRINT_INT(tx_queue_count[2]);
591 VIF_STATE_PRINT_INT(tx_queue_count[3]);
592 VIF_STATE_PRINT_LHEX(links_map[0]);
593 VIF_STATE_PRINT_NSTR(ssid, wlvif->ssid_len);
594 VIF_STATE_PRINT_INT(band);
595 VIF_STATE_PRINT_INT(channel);
596 VIF_STATE_PRINT_HEX(bitrate_masks[0]);
597 VIF_STATE_PRINT_HEX(bitrate_masks[1]);
598 VIF_STATE_PRINT_HEX(basic_rate_set);
599 VIF_STATE_PRINT_HEX(basic_rate);
600 VIF_STATE_PRINT_HEX(rate_set);
601 VIF_STATE_PRINT_INT(beacon_int);
602 VIF_STATE_PRINT_INT(default_key);
603 VIF_STATE_PRINT_INT(aid);
604 VIF_STATE_PRINT_INT(psm_entry_retry);
605 VIF_STATE_PRINT_INT(power_level);
606 VIF_STATE_PRINT_INT(rssi_thold);
607 VIF_STATE_PRINT_INT(last_rssi_event);
608 VIF_STATE_PRINT_INT(ba_support);
609 VIF_STATE_PRINT_INT(ba_allowed);
610 VIF_STATE_PRINT_LLHEX(total_freed_pkts);
611 }
612
613#undef VIF_STATE_PRINT_INT
614#undef VIF_STATE_PRINT_LONG
615#undef VIF_STATE_PRINT_HEX
616#undef VIF_STATE_PRINT_LHEX
617#undef VIF_STATE_PRINT_LLHEX
618#undef VIF_STATE_PRINT_STR
619#undef VIF_STATE_PRINT_NSTR
620#undef VIF_STATE_PRINT
621
622 mutex_unlock(&wl->mutex);
623
624 ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
625 kfree(buf);
626 return ret;
627}
628
629static const struct file_operations vifs_state_ops = {
630 .read = vifs_state_read,
631 .open = simple_open,
632 .llseek = default_llseek,
633};
634
635static ssize_t dtim_interval_read(struct file *file, char __user *user_buf,
636 size_t count, loff_t *ppos)
637{
638 struct wl1271 *wl = file->private_data;
639 u8 value;
640
641 if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
642 wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
643 value = wl->conf.conn.listen_interval;
644 else
645 value = 0;
646
647 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
648}
649
650static ssize_t dtim_interval_write(struct file *file,
651 const char __user *user_buf,
652 size_t count, loff_t *ppos)
653{
654 struct wl1271 *wl = file->private_data;
655 unsigned long value;
656 int ret;
657
658 ret = kstrtoul_from_user(user_buf, count, 10, &value);
659 if (ret < 0) {
660 wl1271_warning("illegal value for dtim_interval");
661 return -EINVAL;
662 }
663
664 if (value < 1 || value > 10) {
665 wl1271_warning("dtim value is not in valid range");
666 return -ERANGE;
667 }
668
669 mutex_lock(&wl->mutex);
670
671 wl->conf.conn.listen_interval = value;
672
673 if (value == 1)
674 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
675 else
676 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
677
678
679
680
681
682 mutex_unlock(&wl->mutex);
683 return count;
684}
685
686static const struct file_operations dtim_interval_ops = {
687 .read = dtim_interval_read,
688 .write = dtim_interval_write,
689 .open = simple_open,
690 .llseek = default_llseek,
691};
692
693
694
695static ssize_t suspend_dtim_interval_read(struct file *file,
696 char __user *user_buf,
697 size_t count, loff_t *ppos)
698{
699 struct wl1271 *wl = file->private_data;
700 u8 value;
701
702 if (wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
703 wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
704 value = wl->conf.conn.suspend_listen_interval;
705 else
706 value = 0;
707
708 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
709}
710
711static ssize_t suspend_dtim_interval_write(struct file *file,
712 const char __user *user_buf,
713 size_t count, loff_t *ppos)
714{
715 struct wl1271 *wl = file->private_data;
716 unsigned long value;
717 int ret;
718
719 ret = kstrtoul_from_user(user_buf, count, 10, &value);
720 if (ret < 0) {
721 wl1271_warning("illegal value for suspend_dtim_interval");
722 return -EINVAL;
723 }
724
725 if (value < 1 || value > 10) {
726 wl1271_warning("suspend_dtim value is not in valid range");
727 return -ERANGE;
728 }
729
730 mutex_lock(&wl->mutex);
731
732 wl->conf.conn.suspend_listen_interval = value;
733
734 if (value == 1)
735 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
736 else
737 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
738
739 mutex_unlock(&wl->mutex);
740 return count;
741}
742
743
744static const struct file_operations suspend_dtim_interval_ops = {
745 .read = suspend_dtim_interval_read,
746 .write = suspend_dtim_interval_write,
747 .open = simple_open,
748 .llseek = default_llseek,
749};
750
751static ssize_t beacon_interval_read(struct file *file, char __user *user_buf,
752 size_t count, loff_t *ppos)
753{
754 struct wl1271 *wl = file->private_data;
755 u8 value;
756
757 if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_BEACON ||
758 wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_BEACONS)
759 value = wl->conf.conn.listen_interval;
760 else
761 value = 0;
762
763 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
764}
765
766static ssize_t beacon_interval_write(struct file *file,
767 const char __user *user_buf,
768 size_t count, loff_t *ppos)
769{
770 struct wl1271 *wl = file->private_data;
771 unsigned long value;
772 int ret;
773
774 ret = kstrtoul_from_user(user_buf, count, 10, &value);
775 if (ret < 0) {
776 wl1271_warning("illegal value for beacon_interval");
777 return -EINVAL;
778 }
779
780 if (value < 1 || value > 255) {
781 wl1271_warning("beacon interval value is not in valid range");
782 return -ERANGE;
783 }
784
785 mutex_lock(&wl->mutex);
786
787 wl->conf.conn.listen_interval = value;
788
789 if (value == 1)
790 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_BEACON;
791 else
792 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_BEACONS;
793
794
795
796
797
798 mutex_unlock(&wl->mutex);
799 return count;
800}
801
802static const struct file_operations beacon_interval_ops = {
803 .read = beacon_interval_read,
804 .write = beacon_interval_write,
805 .open = simple_open,
806 .llseek = default_llseek,
807};
808
809static ssize_t rx_streaming_interval_write(struct file *file,
810 const char __user *user_buf,
811 size_t count, loff_t *ppos)
812{
813 struct wl1271 *wl = file->private_data;
814 struct wl12xx_vif *wlvif;
815 unsigned long value;
816 int ret;
817
818 ret = kstrtoul_from_user(user_buf, count, 10, &value);
819 if (ret < 0) {
820 wl1271_warning("illegal value in rx_streaming_interval!");
821 return -EINVAL;
822 }
823
824
825 if (value && (value < 10 || value > 100)) {
826 wl1271_warning("value is not in range!");
827 return -ERANGE;
828 }
829
830 mutex_lock(&wl->mutex);
831
832 wl->conf.rx_streaming.interval = value;
833
834 ret = pm_runtime_get_sync(wl->dev);
835 if (ret < 0) {
836 pm_runtime_put_noidle(wl->dev);
837 goto out;
838 }
839
840 wl12xx_for_each_wlvif_sta(wl, wlvif) {
841 wl1271_recalc_rx_streaming(wl, wlvif);
842 }
843
844 pm_runtime_mark_last_busy(wl->dev);
845 pm_runtime_put_autosuspend(wl->dev);
846out:
847 mutex_unlock(&wl->mutex);
848 return count;
849}
850
851static ssize_t rx_streaming_interval_read(struct file *file,
852 char __user *userbuf,
853 size_t count, loff_t *ppos)
854{
855 struct wl1271 *wl = file->private_data;
856 return wl1271_format_buffer(userbuf, count, ppos,
857 "%d\n", wl->conf.rx_streaming.interval);
858}
859
860static const struct file_operations rx_streaming_interval_ops = {
861 .read = rx_streaming_interval_read,
862 .write = rx_streaming_interval_write,
863 .open = simple_open,
864 .llseek = default_llseek,
865};
866
867static ssize_t rx_streaming_always_write(struct file *file,
868 const char __user *user_buf,
869 size_t count, loff_t *ppos)
870{
871 struct wl1271 *wl = file->private_data;
872 struct wl12xx_vif *wlvif;
873 unsigned long value;
874 int ret;
875
876 ret = kstrtoul_from_user(user_buf, count, 10, &value);
877 if (ret < 0) {
878 wl1271_warning("illegal value in rx_streaming_write!");
879 return -EINVAL;
880 }
881
882
883 if (!(value == 0 || value == 1)) {
884 wl1271_warning("value is not in valid!");
885 return -EINVAL;
886 }
887
888 mutex_lock(&wl->mutex);
889
890 wl->conf.rx_streaming.always = value;
891
892 ret = pm_runtime_get_sync(wl->dev);
893 if (ret < 0) {
894 pm_runtime_put_noidle(wl->dev);
895 goto out;
896 }
897
898 wl12xx_for_each_wlvif_sta(wl, wlvif) {
899 wl1271_recalc_rx_streaming(wl, wlvif);
900 }
901
902 pm_runtime_mark_last_busy(wl->dev);
903 pm_runtime_put_autosuspend(wl->dev);
904out:
905 mutex_unlock(&wl->mutex);
906 return count;
907}
908
909static ssize_t rx_streaming_always_read(struct file *file,
910 char __user *userbuf,
911 size_t count, loff_t *ppos)
912{
913 struct wl1271 *wl = file->private_data;
914 return wl1271_format_buffer(userbuf, count, ppos,
915 "%d\n", wl->conf.rx_streaming.always);
916}
917
918static const struct file_operations rx_streaming_always_ops = {
919 .read = rx_streaming_always_read,
920 .write = rx_streaming_always_write,
921 .open = simple_open,
922 .llseek = default_llseek,
923};
924
925static ssize_t beacon_filtering_write(struct file *file,
926 const char __user *user_buf,
927 size_t count, loff_t *ppos)
928{
929 struct wl1271 *wl = file->private_data;
930 struct wl12xx_vif *wlvif;
931 unsigned long value;
932 int ret;
933
934 ret = kstrtoul_from_user(user_buf, count, 0, &value);
935 if (ret < 0) {
936 wl1271_warning("illegal value for beacon_filtering!");
937 return -EINVAL;
938 }
939
940 mutex_lock(&wl->mutex);
941
942 ret = pm_runtime_get_sync(wl->dev);
943 if (ret < 0) {
944 pm_runtime_put_noidle(wl->dev);
945 goto out;
946 }
947
948 wl12xx_for_each_wlvif(wl, wlvif) {
949 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, !!value);
950 }
951
952 pm_runtime_mark_last_busy(wl->dev);
953 pm_runtime_put_autosuspend(wl->dev);
954out:
955 mutex_unlock(&wl->mutex);
956 return count;
957}
958
959static const struct file_operations beacon_filtering_ops = {
960 .write = beacon_filtering_write,
961 .open = simple_open,
962 .llseek = default_llseek,
963};
964
965static ssize_t fw_stats_raw_read(struct file *file,
966 char __user *userbuf,
967 size_t count, loff_t *ppos)
968{
969 struct wl1271 *wl = file->private_data;
970
971 wl1271_debugfs_update_stats(wl);
972
973 return simple_read_from_buffer(userbuf, count, ppos,
974 wl->stats.fw_stats,
975 wl->stats.fw_stats_len);
976}
977
978static const struct file_operations fw_stats_raw_ops = {
979 .read = fw_stats_raw_read,
980 .open = simple_open,
981 .llseek = default_llseek,
982};
983
984static ssize_t sleep_auth_read(struct file *file, char __user *user_buf,
985 size_t count, loff_t *ppos)
986{
987 struct wl1271 *wl = file->private_data;
988
989 return wl1271_format_buffer(user_buf, count,
990 ppos, "%d\n",
991 wl->sleep_auth);
992}
993
994static ssize_t sleep_auth_write(struct file *file,
995 const char __user *user_buf,
996 size_t count, loff_t *ppos)
997{
998 struct wl1271 *wl = file->private_data;
999 unsigned long value;
1000 int ret;
1001
1002 ret = kstrtoul_from_user(user_buf, count, 0, &value);
1003 if (ret < 0) {
1004 wl1271_warning("illegal value in sleep_auth");
1005 return -EINVAL;
1006 }
1007
1008 if (value > WL1271_PSM_MAX) {
1009 wl1271_warning("sleep_auth must be between 0 and %d",
1010 WL1271_PSM_MAX);
1011 return -ERANGE;
1012 }
1013
1014 mutex_lock(&wl->mutex);
1015
1016 wl->conf.conn.sta_sleep_auth = value;
1017
1018 if (unlikely(wl->state != WLCORE_STATE_ON)) {
1019
1020 wl->sleep_auth = value;
1021 goto out;
1022 }
1023
1024 ret = pm_runtime_get_sync(wl->dev);
1025 if (ret < 0) {
1026 pm_runtime_put_noidle(wl->dev);
1027 goto out;
1028 }
1029
1030 ret = wl1271_acx_sleep_auth(wl, value);
1031 if (ret < 0)
1032 goto out_sleep;
1033
1034out_sleep:
1035 pm_runtime_mark_last_busy(wl->dev);
1036 pm_runtime_put_autosuspend(wl->dev);
1037out:
1038 mutex_unlock(&wl->mutex);
1039 return count;
1040}
1041
1042static const struct file_operations sleep_auth_ops = {
1043 .read = sleep_auth_read,
1044 .write = sleep_auth_write,
1045 .open = simple_open,
1046 .llseek = default_llseek,
1047};
1048
1049static ssize_t dev_mem_read(struct file *file,
1050 char __user *user_buf, size_t count,
1051 loff_t *ppos)
1052{
1053 struct wl1271 *wl = file->private_data;
1054 struct wlcore_partition_set part, old_part;
1055 size_t bytes = count;
1056 int ret;
1057 char *buf;
1058
1059
1060 if (bytes % 4)
1061 return -EINVAL;
1062
1063 if (*ppos % 4)
1064 return -EINVAL;
1065
1066
1067 bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
1068
1069 if (bytes == 0)
1070 return -EINVAL;
1071
1072 memset(&part, 0, sizeof(part));
1073 part.mem.start = *ppos;
1074 part.mem.size = bytes;
1075
1076 buf = kmalloc(bytes, GFP_KERNEL);
1077 if (!buf)
1078 return -ENOMEM;
1079
1080 mutex_lock(&wl->mutex);
1081
1082 if (unlikely(wl->state == WLCORE_STATE_OFF)) {
1083 ret = -EFAULT;
1084 goto skip_read;
1085 }
1086
1087
1088
1089
1090
1091 pm_runtime_get_sync(wl->dev);
1092
1093
1094 memcpy(&old_part, &wl->curr_part, sizeof(old_part));
1095 ret = wlcore_set_partition(wl, &part);
1096 if (ret < 0)
1097 goto part_err;
1098
1099 ret = wlcore_raw_read(wl, 0, buf, bytes, false);
1100 if (ret < 0)
1101 goto read_err;
1102
1103read_err:
1104
1105 ret = wlcore_set_partition(wl, &old_part);
1106 if (ret < 0)
1107 goto part_err;
1108
1109part_err:
1110 pm_runtime_mark_last_busy(wl->dev);
1111 pm_runtime_put_autosuspend(wl->dev);
1112
1113skip_read:
1114 mutex_unlock(&wl->mutex);
1115
1116 if (ret == 0) {
1117 ret = copy_to_user(user_buf, buf, bytes);
1118 if (ret < bytes) {
1119 bytes -= ret;
1120 *ppos += bytes;
1121 ret = 0;
1122 } else {
1123 ret = -EFAULT;
1124 }
1125 }
1126
1127 kfree(buf);
1128
1129 return ((ret == 0) ? bytes : ret);
1130}
1131
1132static ssize_t dev_mem_write(struct file *file, const char __user *user_buf,
1133 size_t count, loff_t *ppos)
1134{
1135 struct wl1271 *wl = file->private_data;
1136 struct wlcore_partition_set part, old_part;
1137 size_t bytes = count;
1138 int ret;
1139 char *buf;
1140
1141
1142 if (bytes % 4)
1143 return -EINVAL;
1144
1145 if (*ppos % 4)
1146 return -EINVAL;
1147
1148
1149 bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
1150
1151 if (bytes == 0)
1152 return -EINVAL;
1153
1154 memset(&part, 0, sizeof(part));
1155 part.mem.start = *ppos;
1156 part.mem.size = bytes;
1157
1158 buf = memdup_user(user_buf, bytes);
1159 if (IS_ERR(buf))
1160 return PTR_ERR(buf);
1161
1162 mutex_lock(&wl->mutex);
1163
1164 if (unlikely(wl->state == WLCORE_STATE_OFF)) {
1165 ret = -EFAULT;
1166 goto skip_write;
1167 }
1168
1169
1170
1171
1172
1173 pm_runtime_get_sync(wl->dev);
1174
1175
1176 memcpy(&old_part, &wl->curr_part, sizeof(old_part));
1177 ret = wlcore_set_partition(wl, &part);
1178 if (ret < 0)
1179 goto part_err;
1180
1181 ret = wlcore_raw_write(wl, 0, buf, bytes, false);
1182 if (ret < 0)
1183 goto write_err;
1184
1185write_err:
1186
1187 ret = wlcore_set_partition(wl, &old_part);
1188 if (ret < 0)
1189 goto part_err;
1190
1191part_err:
1192 pm_runtime_mark_last_busy(wl->dev);
1193 pm_runtime_put_autosuspend(wl->dev);
1194
1195skip_write:
1196 mutex_unlock(&wl->mutex);
1197
1198 if (ret == 0)
1199 *ppos += bytes;
1200
1201 kfree(buf);
1202
1203 return ((ret == 0) ? bytes : ret);
1204}
1205
1206static loff_t dev_mem_seek(struct file *file, loff_t offset, int orig)
1207{
1208
1209 if (offset % 4)
1210 return -EINVAL;
1211
1212 return no_seek_end_llseek(file, offset, orig);
1213}
1214
1215static const struct file_operations dev_mem_ops = {
1216 .open = simple_open,
1217 .read = dev_mem_read,
1218 .write = dev_mem_write,
1219 .llseek = dev_mem_seek,
1220};
1221
1222static ssize_t fw_logger_read(struct file *file, char __user *user_buf,
1223 size_t count, loff_t *ppos)
1224{
1225 struct wl1271 *wl = file->private_data;
1226
1227 return wl1271_format_buffer(user_buf, count,
1228 ppos, "%d\n",
1229 wl->conf.fwlog.output);
1230}
1231
1232static ssize_t fw_logger_write(struct file *file,
1233 const char __user *user_buf,
1234 size_t count, loff_t *ppos)
1235{
1236 struct wl1271 *wl = file->private_data;
1237 unsigned long value;
1238 int ret;
1239
1240 ret = kstrtoul_from_user(user_buf, count, 0, &value);
1241 if (ret < 0) {
1242 wl1271_warning("illegal value in fw_logger");
1243 return -EINVAL;
1244 }
1245
1246 if ((value > 2) || (value == 0)) {
1247 wl1271_warning("fw_logger value must be 1-UART 2-SDIO");
1248 return -ERANGE;
1249 }
1250
1251 if (wl->conf.fwlog.output == 0) {
1252 wl1271_warning("invalid operation - fw logger disabled by default, please change mode via wlconf");
1253 return -EINVAL;
1254 }
1255
1256 mutex_lock(&wl->mutex);
1257 ret = pm_runtime_get_sync(wl->dev);
1258 if (ret < 0) {
1259 pm_runtime_put_noidle(wl->dev);
1260 count = ret;
1261 goto out;
1262 }
1263
1264 wl->conf.fwlog.output = value;
1265
1266 ret = wl12xx_cmd_config_fwlog(wl);
1267
1268 pm_runtime_mark_last_busy(wl->dev);
1269 pm_runtime_put_autosuspend(wl->dev);
1270
1271out:
1272 mutex_unlock(&wl->mutex);
1273 return count;
1274}
1275
1276static const struct file_operations fw_logger_ops = {
1277 .open = simple_open,
1278 .read = fw_logger_read,
1279 .write = fw_logger_write,
1280 .llseek = default_llseek,
1281};
1282
1283static void wl1271_debugfs_add_files(struct wl1271 *wl,
1284 struct dentry *rootdir)
1285{
1286 struct dentry *streaming;
1287
1288 DEBUGFS_ADD(tx_queue_len, rootdir);
1289 DEBUGFS_ADD(retry_count, rootdir);
1290 DEBUGFS_ADD(excessive_retries, rootdir);
1291
1292 DEBUGFS_ADD(gpio_power, rootdir);
1293 DEBUGFS_ADD(start_recovery, rootdir);
1294 DEBUGFS_ADD(driver_state, rootdir);
1295 DEBUGFS_ADD(vifs_state, rootdir);
1296 DEBUGFS_ADD(dtim_interval, rootdir);
1297 DEBUGFS_ADD(suspend_dtim_interval, rootdir);
1298 DEBUGFS_ADD(beacon_interval, rootdir);
1299 DEBUGFS_ADD(beacon_filtering, rootdir);
1300 DEBUGFS_ADD(dynamic_ps_timeout, rootdir);
1301 DEBUGFS_ADD(forced_ps, rootdir);
1302 DEBUGFS_ADD(split_scan_timeout, rootdir);
1303 DEBUGFS_ADD(irq_pkt_threshold, rootdir);
1304 DEBUGFS_ADD(irq_blk_threshold, rootdir);
1305 DEBUGFS_ADD(irq_timeout, rootdir);
1306 DEBUGFS_ADD(fw_stats_raw, rootdir);
1307 DEBUGFS_ADD(sleep_auth, rootdir);
1308 DEBUGFS_ADD(fw_logger, rootdir);
1309
1310 streaming = debugfs_create_dir("rx_streaming", rootdir);
1311
1312 DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming);
1313 DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming);
1314
1315 DEBUGFS_ADD_PREFIX(dev, mem, rootdir);
1316}
1317
1318void wl1271_debugfs_reset(struct wl1271 *wl)
1319{
1320 if (!wl->stats.fw_stats)
1321 return;
1322
1323 memset(wl->stats.fw_stats, 0, wl->stats.fw_stats_len);
1324 wl->stats.retry_count = 0;
1325 wl->stats.excessive_retries = 0;
1326}
1327
1328int wl1271_debugfs_init(struct wl1271 *wl)
1329{
1330 int ret;
1331 struct dentry *rootdir;
1332
1333 rootdir = debugfs_create_dir(KBUILD_MODNAME,
1334 wl->hw->wiphy->debugfsdir);
1335
1336 wl->stats.fw_stats = kzalloc(wl->stats.fw_stats_len, GFP_KERNEL);
1337 if (!wl->stats.fw_stats) {
1338 ret = -ENOMEM;
1339 goto out_remove;
1340 }
1341
1342 wl->stats.fw_stats_update = jiffies;
1343
1344 wl1271_debugfs_add_files(wl, rootdir);
1345
1346 ret = wlcore_debugfs_init(wl, rootdir);
1347 if (ret < 0)
1348 goto out_exit;
1349
1350 goto out;
1351
1352out_exit:
1353 wl1271_debugfs_exit(wl);
1354
1355out_remove:
1356 debugfs_remove_recursive(rootdir);
1357
1358out:
1359 return ret;
1360}
1361
1362void wl1271_debugfs_exit(struct wl1271 *wl)
1363{
1364 kfree(wl->stats.fw_stats);
1365 wl->stats.fw_stats = NULL;
1366}
1367
