WIP FPC-III support
[linux/fpc-iii.git] / drivers / net / wireless / ti / wlcore / debugfs.c
blobcce8d75d8b8159cb78925c4ce98ed5562844d9b4
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * This file is part of wl1271
5 * Copyright (C) 2009 Nokia Corporation
7 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
8 */
10 #include "debugfs.h"
12 #include <linux/skbuff.h>
13 #include <linux/slab.h>
14 #include <linux/module.h>
15 #include <linux/pm_runtime.h>
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"
25 /* ms */
26 #define WL1271_DEBUGFS_STATS_LIFETIME 1000
28 #define WLCORE_MAX_BLOCK_SIZE ((size_t)(4*PAGE_SIZE))
30 /* debugfs macros idea from mac80211 */
31 int wl1271_format_buffer(char __user *userbuf, size_t count,
32 loff_t *ppos, char *fmt, ...)
34 va_list args;
35 char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
36 int res;
38 va_start(args, fmt);
39 res = vscnprintf(buf, sizeof(buf), fmt, args);
40 va_end(args);
42 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
44 EXPORT_SYMBOL_GPL(wl1271_format_buffer);
46 void wl1271_debugfs_update_stats(struct wl1271 *wl)
48 int ret;
50 mutex_lock(&wl->mutex);
52 if (unlikely(wl->state != WLCORE_STATE_ON))
53 goto out;
55 ret = pm_runtime_get_sync(wl->dev);
56 if (ret < 0) {
57 pm_runtime_put_noidle(wl->dev);
58 goto out;
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;
68 pm_runtime_mark_last_busy(wl->dev);
69 pm_runtime_put_autosuspend(wl->dev);
71 out:
72 mutex_unlock(&wl->mutex);
74 EXPORT_SYMBOL_GPL(wl1271_debugfs_update_stats);
76 DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
77 DEBUGFS_READONLY_FILE(excessive_retries, "%u",
78 wl->stats.excessive_retries);
80 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
81 size_t count, loff_t *ppos)
83 struct wl1271 *wl = file->private_data;
84 u32 queue_len;
85 char buf[20];
86 int res;
88 queue_len = wl1271_tx_total_queue_count(wl);
90 res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
91 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
94 static const struct file_operations tx_queue_len_ops = {
95 .read = tx_queue_len_read,
96 .open = simple_open,
97 .llseek = default_llseek,
100 static void chip_op_handler(struct wl1271 *wl, unsigned long value,
101 void *arg)
103 int ret;
104 int (*chip_op) (struct wl1271 *wl);
106 if (!arg) {
107 wl1271_warning("debugfs chip_op_handler with no callback");
108 return;
111 ret = pm_runtime_get_sync(wl->dev);
112 if (ret < 0) {
113 pm_runtime_put_noidle(wl->dev);
115 return;
118 chip_op = arg;
119 chip_op(wl);
121 pm_runtime_mark_last_busy(wl->dev);
122 pm_runtime_put_autosuspend(wl->dev);
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) \
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); \
138 static ssize_t param##_write(struct file *file, \
139 const char __user *user_buf, \
140 size_t count, loff_t *ppos) \
142 struct wl1271 *wl = file->private_data; \
143 unsigned long value; \
144 int ret; \
146 ret = kstrtoul_from_user(user_buf, count, 10, &value); \
147 if (ret < 0) { \
148 wl1271_warning("illegal value for " #param); \
149 return -EINVAL; \
152 if (value < min_val || value > max_val) { \
153 wl1271_warning(#param " is not in valid range"); \
154 return -ERANGE; \
157 mutex_lock(&wl->mutex); \
158 wl->conf.conf_sub_struct.param = value; \
160 write_handler_locked(wl, value, write_handler_arg); \
162 mutex_unlock(&wl->mutex); \
163 return count; \
166 static const struct file_operations param##_ops = { \
167 .read = param##_read, \
168 .write = param##_write, \
169 .open = simple_open, \
170 .llseek = default_llseek, \
173 WL12XX_CONF_DEBUGFS(irq_pkt_threshold, rx, 0, 65535,
174 chip_op_handler, wl1271_acx_init_rx_interrupt)
175 WL12XX_CONF_DEBUGFS(irq_blk_threshold, rx, 0, 65535,
176 chip_op_handler, wl1271_acx_init_rx_interrupt)
177 WL12XX_CONF_DEBUGFS(irq_timeout, rx, 0, 100,
178 chip_op_handler, wl1271_acx_init_rx_interrupt)
180 static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
181 size_t count, loff_t *ppos)
183 struct wl1271 *wl = file->private_data;
184 bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
186 int res;
187 char buf[10];
189 res = scnprintf(buf, sizeof(buf), "%d\n", state);
191 return simple_read_from_buffer(user_buf, count, ppos, buf, res);
194 static ssize_t gpio_power_write(struct file *file,
195 const char __user *user_buf,
196 size_t count, loff_t *ppos)
198 struct wl1271 *wl = file->private_data;
199 unsigned long value;
200 int ret;
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;
208 mutex_lock(&wl->mutex);
210 if (value)
211 wl1271_power_on(wl);
212 else
213 wl1271_power_off(wl);
215 mutex_unlock(&wl->mutex);
216 return count;
219 static 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,
226 static ssize_t start_recovery_write(struct file *file,
227 const char __user *user_buf,
228 size_t count, loff_t *ppos)
230 struct wl1271 *wl = file->private_data;
232 mutex_lock(&wl->mutex);
233 wl12xx_queue_recovery_work(wl);
234 mutex_unlock(&wl->mutex);
236 return count;
239 static const struct file_operations start_recovery_ops = {
240 .write = start_recovery_write,
241 .open = simple_open,
242 .llseek = default_llseek,
245 static ssize_t dynamic_ps_timeout_read(struct file *file, char __user *user_buf,
246 size_t count, loff_t *ppos)
248 struct wl1271 *wl = file->private_data;
250 return wl1271_format_buffer(user_buf, count,
251 ppos, "%d\n",
252 wl->conf.conn.dynamic_ps_timeout);
255 static ssize_t dynamic_ps_timeout_write(struct file *file,
256 const char __user *user_buf,
257 size_t count, loff_t *ppos)
259 struct wl1271 *wl = file->private_data;
260 struct wl12xx_vif *wlvif;
261 unsigned long value;
262 int ret;
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;
270 if (value < 1 || value > 65535) {
271 wl1271_warning("dynamic_ps_timeout is not in valid range");
272 return -ERANGE;
275 mutex_lock(&wl->mutex);
277 wl->conf.conn.dynamic_ps_timeout = value;
279 if (unlikely(wl->state != WLCORE_STATE_ON))
280 goto out;
282 ret = pm_runtime_get_sync(wl->dev);
283 if (ret < 0) {
284 pm_runtime_put_noidle(wl->dev);
285 goto out;
288 /* In case we're already in PSM, trigger it again to set new timeout
289 * immediately without waiting for re-association
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);
297 pm_runtime_mark_last_busy(wl->dev);
298 pm_runtime_put_autosuspend(wl->dev);
300 out:
301 mutex_unlock(&wl->mutex);
302 return count;
305 static 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,
312 static ssize_t forced_ps_read(struct file *file, char __user *user_buf,
313 size_t count, loff_t *ppos)
315 struct wl1271 *wl = file->private_data;
317 return wl1271_format_buffer(user_buf, count,
318 ppos, "%d\n",
319 wl->conf.conn.forced_ps);
322 static ssize_t forced_ps_write(struct file *file,
323 const char __user *user_buf,
324 size_t count, loff_t *ppos)
326 struct wl1271 *wl = file->private_data;
327 struct wl12xx_vif *wlvif;
328 unsigned long value;
329 int ret, ps_mode;
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;
337 if (value != 1 && value != 0) {
338 wl1271_warning("forced_ps should be either 0 or 1");
339 return -ERANGE;
342 mutex_lock(&wl->mutex);
344 if (wl->conf.conn.forced_ps == value)
345 goto out;
347 wl->conf.conn.forced_ps = value;
349 if (unlikely(wl->state != WLCORE_STATE_ON))
350 goto out;
352 ret = pm_runtime_get_sync(wl->dev);
353 if (ret < 0) {
354 pm_runtime_put_noidle(wl->dev);
355 goto out;
358 /* In case we're already in PSM, trigger it again to switch mode
359 * immediately without waiting for re-association
362 ps_mode = value ? STATION_POWER_SAVE_MODE : STATION_AUTO_PS_MODE;
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);
369 pm_runtime_mark_last_busy(wl->dev);
370 pm_runtime_put_autosuspend(wl->dev);
372 out:
373 mutex_unlock(&wl->mutex);
374 return count;
377 static 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,
384 static ssize_t split_scan_timeout_read(struct file *file, char __user *user_buf,
385 size_t count, loff_t *ppos)
387 struct wl1271 *wl = file->private_data;
389 return wl1271_format_buffer(user_buf, count,
390 ppos, "%d\n",
391 wl->conf.scan.split_scan_timeout / 1000);
394 static ssize_t split_scan_timeout_write(struct file *file,
395 const char __user *user_buf,
396 size_t count, loff_t *ppos)
398 struct wl1271 *wl = file->private_data;
399 unsigned long value;
400 int ret;
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;
408 if (value == 0)
409 wl1271_info("split scan will be disabled");
411 mutex_lock(&wl->mutex);
413 wl->conf.scan.split_scan_timeout = value * 1000;
415 mutex_unlock(&wl->mutex);
416 return count;
419 static 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,
426 static ssize_t driver_state_read(struct file *file, char __user *user_buf,
427 size_t count, loff_t *ppos)
429 struct wl1271 *wl = file->private_data;
430 int res = 0;
431 ssize_t ret;
432 char *buf;
433 struct wl12xx_vif *wlvif;
435 #define DRIVER_STATE_BUF_LEN 1024
437 buf = kmalloc(DRIVER_STATE_BUF_LEN, GFP_KERNEL);
438 if (!buf)
439 return -ENOMEM;
441 mutex_lock(&wl->mutex);
443 #define DRIVER_STATE_PRINT(x, fmt) \
444 (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
445 #x " = " fmt "\n", wl->x))
447 #define DRIVER_STATE_PRINT_GENERIC(x, fmt, args...) \
448 (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
449 #x " = " fmt "\n", args))
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")
457 wl12xx_for_each_wlvif_sta(wl, wlvif) {
458 if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
459 continue;
461 DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
462 wlvif->p2p ? "P2P-CL" : "STA");
465 wl12xx_for_each_wlvif_ap(wl, wlvif)
466 DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
467 wlvif->p2p ? "P2P-GO" : "AP");
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 /* TODO: ref_clock and tcxo_clock were moved to wl12xx priv */
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);
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
512 mutex_unlock(&wl->mutex);
514 ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
515 kfree(buf);
516 return ret;
519 static const struct file_operations driver_state_ops = {
520 .read = driver_state_read,
521 .open = simple_open,
522 .llseek = default_llseek,
525 static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
526 size_t count, loff_t *ppos)
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];
535 buf = kzalloc(buf_size, GFP_KERNEL);
536 if (!buf)
537 return -ENOMEM;
539 mutex_lock(&wl->mutex);
541 #define VIF_STATE_PRINT(x, fmt) \
542 (res += scnprintf(buf + res, buf_size - res, \
543 #x " = " fmt "\n", wlvif->x))
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")
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)
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);
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]);
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);
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
622 mutex_unlock(&wl->mutex);
624 ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
625 kfree(buf);
626 return ret;
629 static const struct file_operations vifs_state_ops = {
630 .read = vifs_state_read,
631 .open = simple_open,
632 .llseek = default_llseek,
635 static ssize_t dtim_interval_read(struct file *file, char __user *user_buf,
636 size_t count, loff_t *ppos)
638 struct wl1271 *wl = file->private_data;
639 u8 value;
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;
647 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
650 static ssize_t dtim_interval_write(struct file *file,
651 const char __user *user_buf,
652 size_t count, loff_t *ppos)
654 struct wl1271 *wl = file->private_data;
655 unsigned long value;
656 int ret;
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;
664 if (value < 1 || value > 10) {
665 wl1271_warning("dtim value is not in valid range");
666 return -ERANGE;
669 mutex_lock(&wl->mutex);
671 wl->conf.conn.listen_interval = value;
672 /* for some reason there are different event types for 1 and >1 */
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;
679 * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
680 * take effect on the next time we enter psm.
682 mutex_unlock(&wl->mutex);
683 return count;
686 static 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,
695 static ssize_t suspend_dtim_interval_read(struct file *file,
696 char __user *user_buf,
697 size_t count, loff_t *ppos)
699 struct wl1271 *wl = file->private_data;
700 u8 value;
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;
708 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
711 static ssize_t suspend_dtim_interval_write(struct file *file,
712 const char __user *user_buf,
713 size_t count, loff_t *ppos)
715 struct wl1271 *wl = file->private_data;
716 unsigned long value;
717 int ret;
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;
725 if (value < 1 || value > 10) {
726 wl1271_warning("suspend_dtim value is not in valid range");
727 return -ERANGE;
730 mutex_lock(&wl->mutex);
732 wl->conf.conn.suspend_listen_interval = value;
733 /* for some reason there are different event types for 1 and >1 */
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;
739 mutex_unlock(&wl->mutex);
740 return count;
744 static 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,
751 static ssize_t beacon_interval_read(struct file *file, char __user *user_buf,
752 size_t count, loff_t *ppos)
754 struct wl1271 *wl = file->private_data;
755 u8 value;
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;
763 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
766 static ssize_t beacon_interval_write(struct file *file,
767 const char __user *user_buf,
768 size_t count, loff_t *ppos)
770 struct wl1271 *wl = file->private_data;
771 unsigned long value;
772 int ret;
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;
780 if (value < 1 || value > 255) {
781 wl1271_warning("beacon interval value is not in valid range");
782 return -ERANGE;
785 mutex_lock(&wl->mutex);
787 wl->conf.conn.listen_interval = value;
788 /* for some reason there are different event types for 1 and >1 */
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;
795 * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
796 * take effect on the next time we enter psm.
798 mutex_unlock(&wl->mutex);
799 return count;
802 static 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,
809 static ssize_t rx_streaming_interval_write(struct file *file,
810 const char __user *user_buf,
811 size_t count, loff_t *ppos)
813 struct wl1271 *wl = file->private_data;
814 struct wl12xx_vif *wlvif;
815 unsigned long value;
816 int ret;
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;
824 /* valid values: 0, 10-100 */
825 if (value && (value < 10 || value > 100)) {
826 wl1271_warning("value is not in range!");
827 return -ERANGE;
830 mutex_lock(&wl->mutex);
832 wl->conf.rx_streaming.interval = value;
834 ret = pm_runtime_get_sync(wl->dev);
835 if (ret < 0) {
836 pm_runtime_put_noidle(wl->dev);
837 goto out;
840 wl12xx_for_each_wlvif_sta(wl, wlvif) {
841 wl1271_recalc_rx_streaming(wl, wlvif);
844 pm_runtime_mark_last_busy(wl->dev);
845 pm_runtime_put_autosuspend(wl->dev);
846 out:
847 mutex_unlock(&wl->mutex);
848 return count;
851 static ssize_t rx_streaming_interval_read(struct file *file,
852 char __user *userbuf,
853 size_t count, loff_t *ppos)
855 struct wl1271 *wl = file->private_data;
856 return wl1271_format_buffer(userbuf, count, ppos,
857 "%d\n", wl->conf.rx_streaming.interval);
860 static 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,
867 static ssize_t rx_streaming_always_write(struct file *file,
868 const char __user *user_buf,
869 size_t count, loff_t *ppos)
871 struct wl1271 *wl = file->private_data;
872 struct wl12xx_vif *wlvif;
873 unsigned long value;
874 int ret;
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;
882 /* valid values: 0, 10-100 */
883 if (!(value == 0 || value == 1)) {
884 wl1271_warning("value is not in valid!");
885 return -EINVAL;
888 mutex_lock(&wl->mutex);
890 wl->conf.rx_streaming.always = value;
892 ret = pm_runtime_get_sync(wl->dev);
893 if (ret < 0) {
894 pm_runtime_put_noidle(wl->dev);
895 goto out;
898 wl12xx_for_each_wlvif_sta(wl, wlvif) {
899 wl1271_recalc_rx_streaming(wl, wlvif);
902 pm_runtime_mark_last_busy(wl->dev);
903 pm_runtime_put_autosuspend(wl->dev);
904 out:
905 mutex_unlock(&wl->mutex);
906 return count;
909 static ssize_t rx_streaming_always_read(struct file *file,
910 char __user *userbuf,
911 size_t count, loff_t *ppos)
913 struct wl1271 *wl = file->private_data;
914 return wl1271_format_buffer(userbuf, count, ppos,
915 "%d\n", wl->conf.rx_streaming.always);
918 static 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,
925 static ssize_t beacon_filtering_write(struct file *file,
926 const char __user *user_buf,
927 size_t count, loff_t *ppos)
929 struct wl1271 *wl = file->private_data;
930 struct wl12xx_vif *wlvif;
931 unsigned long value;
932 int ret;
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;
940 mutex_lock(&wl->mutex);
942 ret = pm_runtime_get_sync(wl->dev);
943 if (ret < 0) {
944 pm_runtime_put_noidle(wl->dev);
945 goto out;
948 wl12xx_for_each_wlvif(wl, wlvif) {
949 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, !!value);
952 pm_runtime_mark_last_busy(wl->dev);
953 pm_runtime_put_autosuspend(wl->dev);
954 out:
955 mutex_unlock(&wl->mutex);
956 return count;
959 static const struct file_operations beacon_filtering_ops = {
960 .write = beacon_filtering_write,
961 .open = simple_open,
962 .llseek = default_llseek,
965 static ssize_t fw_stats_raw_read(struct file *file,
966 char __user *userbuf,
967 size_t count, loff_t *ppos)
969 struct wl1271 *wl = file->private_data;
971 wl1271_debugfs_update_stats(wl);
973 return simple_read_from_buffer(userbuf, count, ppos,
974 wl->stats.fw_stats,
975 wl->stats.fw_stats_len);
978 static const struct file_operations fw_stats_raw_ops = {
979 .read = fw_stats_raw_read,
980 .open = simple_open,
981 .llseek = default_llseek,
984 static ssize_t sleep_auth_read(struct file *file, char __user *user_buf,
985 size_t count, loff_t *ppos)
987 struct wl1271 *wl = file->private_data;
989 return wl1271_format_buffer(user_buf, count,
990 ppos, "%d\n",
991 wl->sleep_auth);
994 static ssize_t sleep_auth_write(struct file *file,
995 const char __user *user_buf,
996 size_t count, loff_t *ppos)
998 struct wl1271 *wl = file->private_data;
999 unsigned long value;
1000 int ret;
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;
1008 if (value > WL1271_PSM_MAX) {
1009 wl1271_warning("sleep_auth must be between 0 and %d",
1010 WL1271_PSM_MAX);
1011 return -ERANGE;
1014 mutex_lock(&wl->mutex);
1016 wl->conf.conn.sta_sleep_auth = value;
1018 if (unlikely(wl->state != WLCORE_STATE_ON)) {
1019 /* this will show up on "read" in case we are off */
1020 wl->sleep_auth = value;
1021 goto out;
1024 ret = pm_runtime_get_sync(wl->dev);
1025 if (ret < 0) {
1026 pm_runtime_put_noidle(wl->dev);
1027 goto out;
1030 ret = wl1271_acx_sleep_auth(wl, value);
1031 if (ret < 0)
1032 goto out_sleep;
1034 out_sleep:
1035 pm_runtime_mark_last_busy(wl->dev);
1036 pm_runtime_put_autosuspend(wl->dev);
1037 out:
1038 mutex_unlock(&wl->mutex);
1039 return count;
1042 static 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,
1049 static ssize_t dev_mem_read(struct file *file,
1050 char __user *user_buf, size_t count,
1051 loff_t *ppos)
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;
1059 /* only requests of dword-aligned size and offset are supported */
1060 if (bytes % 4)
1061 return -EINVAL;
1063 if (*ppos % 4)
1064 return -EINVAL;
1066 /* function should return in reasonable time */
1067 bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
1069 if (bytes == 0)
1070 return -EINVAL;
1072 memset(&part, 0, sizeof(part));
1073 part.mem.start = *ppos;
1074 part.mem.size = bytes;
1076 buf = kmalloc(bytes, GFP_KERNEL);
1077 if (!buf)
1078 return -ENOMEM;
1080 mutex_lock(&wl->mutex);
1082 if (unlikely(wl->state == WLCORE_STATE_OFF)) {
1083 ret = -EFAULT;
1084 goto skip_read;
1088 * Don't fail if elp_wakeup returns an error, so the device's memory
1089 * could be read even if the FW crashed
1091 pm_runtime_get_sync(wl->dev);
1093 /* store current partition and switch partition */
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;
1099 ret = wlcore_raw_read(wl, 0, buf, bytes, false);
1100 if (ret < 0)
1101 goto read_err;
1103 read_err:
1104 /* recover partition */
1105 ret = wlcore_set_partition(wl, &old_part);
1106 if (ret < 0)
1107 goto part_err;
1109 part_err:
1110 pm_runtime_mark_last_busy(wl->dev);
1111 pm_runtime_put_autosuspend(wl->dev);
1113 skip_read:
1114 mutex_unlock(&wl->mutex);
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;
1127 kfree(buf);
1129 return ((ret == 0) ? bytes : ret);
1132 static ssize_t dev_mem_write(struct file *file, const char __user *user_buf,
1133 size_t count, loff_t *ppos)
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;
1141 /* only requests of dword-aligned size and offset are supported */
1142 if (bytes % 4)
1143 return -EINVAL;
1145 if (*ppos % 4)
1146 return -EINVAL;
1148 /* function should return in reasonable time */
1149 bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
1151 if (bytes == 0)
1152 return -EINVAL;
1154 memset(&part, 0, sizeof(part));
1155 part.mem.start = *ppos;
1156 part.mem.size = bytes;
1158 buf = memdup_user(user_buf, bytes);
1159 if (IS_ERR(buf))
1160 return PTR_ERR(buf);
1162 mutex_lock(&wl->mutex);
1164 if (unlikely(wl->state == WLCORE_STATE_OFF)) {
1165 ret = -EFAULT;
1166 goto skip_write;
1170 * Don't fail if elp_wakeup returns an error, so the device's memory
1171 * could be read even if the FW crashed
1173 pm_runtime_get_sync(wl->dev);
1175 /* store current partition and switch partition */
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;
1181 ret = wlcore_raw_write(wl, 0, buf, bytes, false);
1182 if (ret < 0)
1183 goto write_err;
1185 write_err:
1186 /* recover partition */
1187 ret = wlcore_set_partition(wl, &old_part);
1188 if (ret < 0)
1189 goto part_err;
1191 part_err:
1192 pm_runtime_mark_last_busy(wl->dev);
1193 pm_runtime_put_autosuspend(wl->dev);
1195 skip_write:
1196 mutex_unlock(&wl->mutex);
1198 if (ret == 0)
1199 *ppos += bytes;
1201 kfree(buf);
1203 return ((ret == 0) ? bytes : ret);
1206 static loff_t dev_mem_seek(struct file *file, loff_t offset, int orig)
1208 /* only requests of dword-aligned size and offset are supported */
1209 if (offset % 4)
1210 return -EINVAL;
1212 return no_seek_end_llseek(file, offset, orig);
1215 static 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,
1222 static ssize_t fw_logger_read(struct file *file, char __user *user_buf,
1223 size_t count, loff_t *ppos)
1225 struct wl1271 *wl = file->private_data;
1227 return wl1271_format_buffer(user_buf, count,
1228 ppos, "%d\n",
1229 wl->conf.fwlog.output);
1232 static ssize_t fw_logger_write(struct file *file,
1233 const char __user *user_buf,
1234 size_t count, loff_t *ppos)
1236 struct wl1271 *wl = file->private_data;
1237 unsigned long value;
1238 int ret;
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;
1246 if ((value > 2) || (value == 0)) {
1247 wl1271_warning("fw_logger value must be 1-UART 2-SDIO");
1248 return -ERANGE;
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;
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;
1264 wl->conf.fwlog.output = value;
1266 ret = wl12xx_cmd_config_fwlog(wl);
1268 pm_runtime_mark_last_busy(wl->dev);
1269 pm_runtime_put_autosuspend(wl->dev);
1271 out:
1272 mutex_unlock(&wl->mutex);
1273 return count;
1276 static 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,
1283 static void wl1271_debugfs_add_files(struct wl1271 *wl,
1284 struct dentry *rootdir)
1286 struct dentry *streaming;
1288 DEBUGFS_ADD(tx_queue_len, rootdir);
1289 DEBUGFS_ADD(retry_count, rootdir);
1290 DEBUGFS_ADD(excessive_retries, rootdir);
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);
1310 streaming = debugfs_create_dir("rx_streaming", rootdir);
1312 DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming);
1313 DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming);
1315 DEBUGFS_ADD_PREFIX(dev, mem, rootdir);
1318 void wl1271_debugfs_reset(struct wl1271 *wl)
1320 if (!wl->stats.fw_stats)
1321 return;
1323 memset(wl->stats.fw_stats, 0, wl->stats.fw_stats_len);
1324 wl->stats.retry_count = 0;
1325 wl->stats.excessive_retries = 0;
1328 int wl1271_debugfs_init(struct wl1271 *wl)
1330 int ret;
1331 struct dentry *rootdir;
1333 rootdir = debugfs_create_dir(KBUILD_MODNAME,
1334 wl->hw->wiphy->debugfsdir);
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;
1342 wl->stats.fw_stats_update = jiffies;
1344 wl1271_debugfs_add_files(wl, rootdir);
1346 ret = wlcore_debugfs_init(wl, rootdir);
1347 if (ret < 0)
1348 goto out_exit;
1350 goto out;
1352 out_exit:
1353 wl1271_debugfs_exit(wl);
1355 out_remove:
1356 debugfs_remove_recursive(rootdir);
1358 out:
1359 return ret;
1362 void wl1271_debugfs_exit(struct wl1271 *wl)
1364 kfree(wl->stats.fw_stats);
1365 wl->stats.fw_stats = NULL;