1 // SPDX-License-Identifier: GPL-2.0-only
3 * This file is part of wl1271
5 * Copyright (C) 2009 Nokia Corporation
7 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
12 #include <linux/skbuff.h>
13 #include <linux/slab.h>
14 #include <linux/module.h>
15 #include <linux/pm_runtime.h>
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, ...)
35 char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
39 res = vscnprintf(buf, sizeof(buf), fmt, 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)
50 mutex_lock(&wl->mutex);
52 if (unlikely(wl->state != WLCORE_STATE_ON))
55 ret = pm_runtime_resume_and_get(wl->dev);
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;
66 pm_runtime_mark_last_busy(wl->dev);
67 pm_runtime_put_autosuspend(wl->dev);
70 mutex_unlock(&wl->mutex);
72 EXPORT_SYMBOL_GPL(wl1271_debugfs_update_stats);
74 DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
75 DEBUGFS_READONLY_FILE(excessive_retries, "%u",
76 wl->stats.excessive_retries);
78 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
79 size_t count, loff_t *ppos)
81 struct wl1271 *wl = file->private_data;
86 queue_len = wl1271_tx_total_queue_count(wl);
88 res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
89 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
92 static const struct file_operations tx_queue_len_ops = {
93 .read = tx_queue_len_read,
95 .llseek = default_llseek,
98 static void chip_op_handler(struct wl1271 *wl, unsigned long value,
102 int (*chip_op) (struct wl1271 *wl);
105 wl1271_warning("debugfs chip_op_handler with no callback");
109 ret = pm_runtime_resume_and_get(wl->dev);
116 pm_runtime_mark_last_busy(wl->dev);
117 pm_runtime_put_autosuspend(wl->dev);
120 #define WL12XX_CONF_DEBUGFS(param, conf_sub_struct, \
121 min_val, max_val, write_handler_locked, \
123 static ssize_t param##_read(struct file *file, \
124 char __user *user_buf, \
125 size_t count, loff_t *ppos) \
127 struct wl1271 *wl = file->private_data; \
128 return wl1271_format_buffer(user_buf, count, \
130 wl->conf.conf_sub_struct.param); \
133 static ssize_t param##_write(struct file *file, \
134 const char __user *user_buf, \
135 size_t count, loff_t *ppos) \
137 struct wl1271 *wl = file->private_data; \
138 unsigned long value; \
141 ret = kstrtoul_from_user(user_buf, count, 10, &value); \
143 wl1271_warning("illegal value for " #param); \
147 if (value < min_val || value > max_val) { \
148 wl1271_warning(#param " is not in valid range"); \
152 mutex_lock(&wl->mutex); \
153 wl->conf.conf_sub_struct.param = value; \
155 write_handler_locked(wl, value, write_handler_arg); \
157 mutex_unlock(&wl->mutex); \
161 static const struct file_operations param##_ops = { \
162 .read = param##_read, \
163 .write = param##_write, \
164 .open = simple_open, \
165 .llseek = default_llseek, \
168 WL12XX_CONF_DEBUGFS(irq_pkt_threshold, rx, 0, 65535,
169 chip_op_handler, wl1271_acx_init_rx_interrupt)
170 WL12XX_CONF_DEBUGFS(irq_blk_threshold, rx, 0, 65535,
171 chip_op_handler, wl1271_acx_init_rx_interrupt)
172 WL12XX_CONF_DEBUGFS(irq_timeout, rx, 0, 100,
173 chip_op_handler, wl1271_acx_init_rx_interrupt)
175 static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
176 size_t count, loff_t *ppos)
178 struct wl1271 *wl = file->private_data;
179 bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
184 res = scnprintf(buf, sizeof(buf), "%d\n", state);
186 return simple_read_from_buffer(user_buf, count, ppos, buf, res);
189 static ssize_t gpio_power_write(struct file *file,
190 const char __user *user_buf,
191 size_t count, loff_t *ppos)
193 struct wl1271 *wl = file->private_data;
197 ret = kstrtoul_from_user(user_buf, count, 10, &value);
199 wl1271_warning("illegal value in gpio_power");
203 mutex_lock(&wl->mutex);
208 wl1271_power_off(wl);
210 mutex_unlock(&wl->mutex);
214 static const struct file_operations gpio_power_ops = {
215 .read = gpio_power_read,
216 .write = gpio_power_write,
218 .llseek = default_llseek,
221 static ssize_t start_recovery_write(struct file *file,
222 const char __user *user_buf,
223 size_t count, loff_t *ppos)
225 struct wl1271 *wl = file->private_data;
227 mutex_lock(&wl->mutex);
228 wl12xx_queue_recovery_work(wl);
229 mutex_unlock(&wl->mutex);
234 static const struct file_operations start_recovery_ops = {
235 .write = start_recovery_write,
237 .llseek = default_llseek,
240 static ssize_t dynamic_ps_timeout_read(struct file *file, char __user *user_buf,
241 size_t count, loff_t *ppos)
243 struct wl1271 *wl = file->private_data;
245 return wl1271_format_buffer(user_buf, count,
247 wl->conf.conn.dynamic_ps_timeout);
250 static ssize_t dynamic_ps_timeout_write(struct file *file,
251 const char __user *user_buf,
252 size_t count, loff_t *ppos)
254 struct wl1271 *wl = file->private_data;
255 struct wl12xx_vif *wlvif;
259 ret = kstrtoul_from_user(user_buf, count, 10, &value);
261 wl1271_warning("illegal value in dynamic_ps");
265 if (value < 1 || value > 65535) {
266 wl1271_warning("dynamic_ps_timeout is not in valid range");
270 mutex_lock(&wl->mutex);
272 wl->conf.conn.dynamic_ps_timeout = value;
274 if (unlikely(wl->state != WLCORE_STATE_ON))
277 ret = pm_runtime_resume_and_get(wl->dev);
281 /* In case we're already in PSM, trigger it again to set new timeout
282 * immediately without waiting for re-association
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);
290 pm_runtime_mark_last_busy(wl->dev);
291 pm_runtime_put_autosuspend(wl->dev);
294 mutex_unlock(&wl->mutex);
298 static const struct file_operations dynamic_ps_timeout_ops = {
299 .read = dynamic_ps_timeout_read,
300 .write = dynamic_ps_timeout_write,
302 .llseek = default_llseek,
305 static ssize_t forced_ps_read(struct file *file, char __user *user_buf,
306 size_t count, loff_t *ppos)
308 struct wl1271 *wl = file->private_data;
310 return wl1271_format_buffer(user_buf, count,
312 wl->conf.conn.forced_ps);
315 static ssize_t forced_ps_write(struct file *file,
316 const char __user *user_buf,
317 size_t count, loff_t *ppos)
319 struct wl1271 *wl = file->private_data;
320 struct wl12xx_vif *wlvif;
324 ret = kstrtoul_from_user(user_buf, count, 10, &value);
326 wl1271_warning("illegal value in forced_ps");
330 if (value != 1 && value != 0) {
331 wl1271_warning("forced_ps should be either 0 or 1");
335 mutex_lock(&wl->mutex);
337 if (wl->conf.conn.forced_ps == value)
340 wl->conf.conn.forced_ps = value;
342 if (unlikely(wl->state != WLCORE_STATE_ON))
345 ret = pm_runtime_resume_and_get(wl->dev);
349 /* In case we're already in PSM, trigger it again to switch mode
350 * immediately without waiting for re-association
353 ps_mode = value ? STATION_POWER_SAVE_MODE : STATION_AUTO_PS_MODE;
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);
360 pm_runtime_mark_last_busy(wl->dev);
361 pm_runtime_put_autosuspend(wl->dev);
364 mutex_unlock(&wl->mutex);
368 static const struct file_operations forced_ps_ops = {
369 .read = forced_ps_read,
370 .write = forced_ps_write,
372 .llseek = default_llseek,
375 static ssize_t split_scan_timeout_read(struct file *file, char __user *user_buf,
376 size_t count, loff_t *ppos)
378 struct wl1271 *wl = file->private_data;
380 return wl1271_format_buffer(user_buf, count,
382 wl->conf.scan.split_scan_timeout / 1000);
385 static ssize_t split_scan_timeout_write(struct file *file,
386 const char __user *user_buf,
387 size_t count, loff_t *ppos)
389 struct wl1271 *wl = file->private_data;
393 ret = kstrtoul_from_user(user_buf, count, 10, &value);
395 wl1271_warning("illegal value in split_scan_timeout");
400 wl1271_info("split scan will be disabled");
402 mutex_lock(&wl->mutex);
404 wl->conf.scan.split_scan_timeout = value * 1000;
406 mutex_unlock(&wl->mutex);
410 static const struct file_operations split_scan_timeout_ops = {
411 .read = split_scan_timeout_read,
412 .write = split_scan_timeout_write,
414 .llseek = default_llseek,
417 static ssize_t driver_state_read(struct file *file, char __user *user_buf,
418 size_t count, loff_t *ppos)
420 struct wl1271 *wl = file->private_data;
424 struct wl12xx_vif *wlvif;
426 #define DRIVER_STATE_BUF_LEN 1024
428 buf = kmalloc(DRIVER_STATE_BUF_LEN, GFP_KERNEL);
432 mutex_lock(&wl->mutex);
434 #define DRIVER_STATE_PRINT(x, fmt) \
435 (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
436 #x " = " fmt "\n", wl->x))
438 #define DRIVER_STATE_PRINT_GENERIC(x, fmt, args...) \
439 (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
440 #x " = " fmt "\n", args))
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")
448 wl12xx_for_each_wlvif_sta(wl, wlvif) {
449 if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
452 DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
453 wlvif->p2p ? "P2P-CL" : "STA");
456 wl12xx_for_each_wlvif_ap(wl, wlvif)
457 DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
458 wlvif->p2p ? "P2P-GO" : "AP");
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);
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
503 mutex_unlock(&wl->mutex);
505 ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
510 static const struct file_operations driver_state_ops = {
511 .read = driver_state_read,
513 .llseek = default_llseek,
516 static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
517 size_t count, loff_t *ppos)
519 struct wl1271 *wl = file->private_data;
520 struct wl12xx_vif *wlvif;
522 const int buf_size = 4096;
526 buf = kzalloc(buf_size, GFP_KERNEL);
530 mutex_lock(&wl->mutex);
532 #define VIF_STATE_PRINT(x, fmt) \
533 (res += scnprintf(buf + res, buf_size - res, \
534 #x " = " fmt "\n", wlvif->x))
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")
543 #define VIF_STATE_PRINT_NSTR(x, len) \
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); \
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);
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);
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]);
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);
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
613 mutex_unlock(&wl->mutex);
615 ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
620 static const struct file_operations vifs_state_ops = {
621 .read = vifs_state_read,
623 .llseek = default_llseek,
626 static ssize_t dtim_interval_read(struct file *file, char __user *user_buf,
627 size_t count, loff_t *ppos)
629 struct wl1271 *wl = file->private_data;
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;
638 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
641 static ssize_t dtim_interval_write(struct file *file,
642 const char __user *user_buf,
643 size_t count, loff_t *ppos)
645 struct wl1271 *wl = file->private_data;
649 ret = kstrtoul_from_user(user_buf, count, 10, &value);
651 wl1271_warning("illegal value for dtim_interval");
655 if (value < 1 || value > 10) {
656 wl1271_warning("dtim value is not in valid range");
660 mutex_lock(&wl->mutex);
662 wl->conf.conn.listen_interval = value;
663 /* for some reason there are different event types for 1 and >1 */
665 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
667 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
670 * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
671 * take effect on the next time we enter psm.
673 mutex_unlock(&wl->mutex);
677 static const struct file_operations dtim_interval_ops = {
678 .read = dtim_interval_read,
679 .write = dtim_interval_write,
681 .llseek = default_llseek,
686 static ssize_t suspend_dtim_interval_read(struct file *file,
687 char __user *user_buf,
688 size_t count, loff_t *ppos)
690 struct wl1271 *wl = file->private_data;
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;
699 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
702 static ssize_t suspend_dtim_interval_write(struct file *file,
703 const char __user *user_buf,
704 size_t count, loff_t *ppos)
706 struct wl1271 *wl = file->private_data;
710 ret = kstrtoul_from_user(user_buf, count, 10, &value);
712 wl1271_warning("illegal value for suspend_dtim_interval");
716 if (value < 1 || value > 10) {
717 wl1271_warning("suspend_dtim value is not in valid range");
721 mutex_lock(&wl->mutex);
723 wl->conf.conn.suspend_listen_interval = value;
724 /* for some reason there are different event types for 1 and >1 */
726 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
728 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
730 mutex_unlock(&wl->mutex);
735 static const struct file_operations suspend_dtim_interval_ops = {
736 .read = suspend_dtim_interval_read,
737 .write = suspend_dtim_interval_write,
739 .llseek = default_llseek,
742 static ssize_t beacon_interval_read(struct file *file, char __user *user_buf,
743 size_t count, loff_t *ppos)
745 struct wl1271 *wl = file->private_data;
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;
754 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
757 static ssize_t beacon_interval_write(struct file *file,
758 const char __user *user_buf,
759 size_t count, loff_t *ppos)
761 struct wl1271 *wl = file->private_data;
765 ret = kstrtoul_from_user(user_buf, count, 10, &value);
767 wl1271_warning("illegal value for beacon_interval");
771 if (value < 1 || value > 255) {
772 wl1271_warning("beacon interval value is not in valid range");
776 mutex_lock(&wl->mutex);
778 wl->conf.conn.listen_interval = value;
779 /* for some reason there are different event types for 1 and >1 */
781 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_BEACON;
783 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_BEACONS;
786 * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
787 * take effect on the next time we enter psm.
789 mutex_unlock(&wl->mutex);
793 static const struct file_operations beacon_interval_ops = {
794 .read = beacon_interval_read,
795 .write = beacon_interval_write,
797 .llseek = default_llseek,
800 static ssize_t rx_streaming_interval_write(struct file *file,
801 const char __user *user_buf,
802 size_t count, loff_t *ppos)
804 struct wl1271 *wl = file->private_data;
805 struct wl12xx_vif *wlvif;
809 ret = kstrtoul_from_user(user_buf, count, 10, &value);
811 wl1271_warning("illegal value in rx_streaming_interval!");
815 /* valid values: 0, 10-100 */
816 if (value && (value < 10 || value > 100)) {
817 wl1271_warning("value is not in range!");
821 mutex_lock(&wl->mutex);
823 wl->conf.rx_streaming.interval = value;
825 ret = pm_runtime_resume_and_get(wl->dev);
829 wl12xx_for_each_wlvif_sta(wl, wlvif) {
830 wl1271_recalc_rx_streaming(wl, wlvif);
833 pm_runtime_mark_last_busy(wl->dev);
834 pm_runtime_put_autosuspend(wl->dev);
836 mutex_unlock(&wl->mutex);
840 static ssize_t rx_streaming_interval_read(struct file *file,
841 char __user *userbuf,
842 size_t count, loff_t *ppos)
844 struct wl1271 *wl = file->private_data;
845 return wl1271_format_buffer(userbuf, count, ppos,
846 "%d\n", wl->conf.rx_streaming.interval);
849 static const struct file_operations rx_streaming_interval_ops = {
850 .read = rx_streaming_interval_read,
851 .write = rx_streaming_interval_write,
853 .llseek = default_llseek,
856 static ssize_t rx_streaming_always_write(struct file *file,
857 const char __user *user_buf,
858 size_t count, loff_t *ppos)
860 struct wl1271 *wl = file->private_data;
861 struct wl12xx_vif *wlvif;
865 ret = kstrtoul_from_user(user_buf, count, 10, &value);
867 wl1271_warning("illegal value in rx_streaming_write!");
871 /* valid values: 0, 10-100 */
872 if (!(value == 0 || value == 1)) {
873 wl1271_warning("value is not in valid!");
877 mutex_lock(&wl->mutex);
879 wl->conf.rx_streaming.always = value;
881 ret = pm_runtime_resume_and_get(wl->dev);
885 wl12xx_for_each_wlvif_sta(wl, wlvif) {
886 wl1271_recalc_rx_streaming(wl, wlvif);
889 pm_runtime_mark_last_busy(wl->dev);
890 pm_runtime_put_autosuspend(wl->dev);
892 mutex_unlock(&wl->mutex);
896 static ssize_t rx_streaming_always_read(struct file *file,
897 char __user *userbuf,
898 size_t count, loff_t *ppos)
900 struct wl1271 *wl = file->private_data;
901 return wl1271_format_buffer(userbuf, count, ppos,
902 "%d\n", wl->conf.rx_streaming.always);
905 static const struct file_operations rx_streaming_always_ops = {
906 .read = rx_streaming_always_read,
907 .write = rx_streaming_always_write,
909 .llseek = default_llseek,
912 static ssize_t beacon_filtering_write(struct file *file,
913 const char __user *user_buf,
914 size_t count, loff_t *ppos)
916 struct wl1271 *wl = file->private_data;
917 struct wl12xx_vif *wlvif;
921 ret = kstrtoul_from_user(user_buf, count, 0, &value);
923 wl1271_warning("illegal value for beacon_filtering!");
927 mutex_lock(&wl->mutex);
929 ret = pm_runtime_resume_and_get(wl->dev);
933 wl12xx_for_each_wlvif(wl, wlvif) {
934 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, !!value);
937 pm_runtime_mark_last_busy(wl->dev);
938 pm_runtime_put_autosuspend(wl->dev);
940 mutex_unlock(&wl->mutex);
944 static const struct file_operations beacon_filtering_ops = {
945 .write = beacon_filtering_write,
947 .llseek = default_llseek,
950 static ssize_t fw_stats_raw_read(struct file *file,
951 char __user *userbuf,
952 size_t count, loff_t *ppos)
954 struct wl1271 *wl = file->private_data;
956 wl1271_debugfs_update_stats(wl);
958 return simple_read_from_buffer(userbuf, count, ppos,
960 wl->stats.fw_stats_len);
963 static const struct file_operations fw_stats_raw_ops = {
964 .read = fw_stats_raw_read,
966 .llseek = default_llseek,
969 static ssize_t sleep_auth_read(struct file *file, char __user *user_buf,
970 size_t count, loff_t *ppos)
972 struct wl1271 *wl = file->private_data;
974 return wl1271_format_buffer(user_buf, count,
979 static ssize_t sleep_auth_write(struct file *file,
980 const char __user *user_buf,
981 size_t count, loff_t *ppos)
983 struct wl1271 *wl = file->private_data;
987 ret = kstrtoul_from_user(user_buf, count, 0, &value);
989 wl1271_warning("illegal value in sleep_auth");
993 if (value > WL1271_PSM_MAX) {
994 wl1271_warning("sleep_auth must be between 0 and %d",
999 mutex_lock(&wl->mutex);
1001 wl->conf.conn.sta_sleep_auth = value;
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;
1009 ret = pm_runtime_resume_and_get(wl->dev);
1013 ret = wl1271_acx_sleep_auth(wl, value);
1018 pm_runtime_mark_last_busy(wl->dev);
1019 pm_runtime_put_autosuspend(wl->dev);
1021 mutex_unlock(&wl->mutex);
1025 static 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,
1032 static ssize_t dev_mem_read(struct file *file,
1033 char __user *user_buf, size_t count,
1036 struct wl1271 *wl = file->private_data;
1037 struct wlcore_partition_set part, old_part;
1038 size_t bytes = count;
1042 /* only requests of dword-aligned size and offset are supported */
1049 /* function should return in reasonable time */
1050 bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
1055 memset(&part, 0, sizeof(part));
1056 part.mem.start = *ppos;
1057 part.mem.size = bytes;
1059 buf = kmalloc(bytes, GFP_KERNEL);
1063 mutex_lock(&wl->mutex);
1065 if (unlikely(wl->state == WLCORE_STATE_OFF)) {
1071 * Don't fail if elp_wakeup returns an error, so the device's memory
1072 * could be read even if the FW crashed
1074 pm_runtime_get_sync(wl->dev);
1076 /* store current partition and switch partition */
1077 memcpy(&old_part, &wl->curr_part, sizeof(old_part));
1078 ret = wlcore_set_partition(wl, &part);
1082 ret = wlcore_raw_read(wl, 0, buf, bytes, false);
1087 /* recover partition */
1088 ret = wlcore_set_partition(wl, &old_part);
1093 pm_runtime_mark_last_busy(wl->dev);
1094 pm_runtime_put_autosuspend(wl->dev);
1097 mutex_unlock(&wl->mutex);
1100 ret = copy_to_user(user_buf, buf, bytes);
1112 return ((ret == 0) ? bytes : ret);
1115 static ssize_t dev_mem_write(struct file *file, const char __user *user_buf,
1116 size_t count, loff_t *ppos)
1118 struct wl1271 *wl = file->private_data;
1119 struct wlcore_partition_set part, old_part;
1120 size_t bytes = count;
1124 /* only requests of dword-aligned size and offset are supported */
1131 /* function should return in reasonable time */
1132 bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
1137 memset(&part, 0, sizeof(part));
1138 part.mem.start = *ppos;
1139 part.mem.size = bytes;
1141 buf = memdup_user(user_buf, bytes);
1143 return PTR_ERR(buf);
1145 mutex_lock(&wl->mutex);
1147 if (unlikely(wl->state == WLCORE_STATE_OFF)) {
1153 * Don't fail if elp_wakeup returns an error, so the device's memory
1154 * could be read even if the FW crashed
1156 pm_runtime_get_sync(wl->dev);
1158 /* store current partition and switch partition */
1159 memcpy(&old_part, &wl->curr_part, sizeof(old_part));
1160 ret = wlcore_set_partition(wl, &part);
1164 ret = wlcore_raw_write(wl, 0, buf, bytes, false);
1169 /* recover partition */
1170 ret = wlcore_set_partition(wl, &old_part);
1175 pm_runtime_mark_last_busy(wl->dev);
1176 pm_runtime_put_autosuspend(wl->dev);
1179 mutex_unlock(&wl->mutex);
1186 return ((ret == 0) ? bytes : ret);
1189 static loff_t dev_mem_seek(struct file *file, loff_t offset, int orig)
1191 /* only requests of dword-aligned size and offset are supported */
1195 return no_seek_end_llseek(file, offset, orig);
1198 static 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,
1205 static ssize_t fw_logger_read(struct file *file, char __user *user_buf,
1206 size_t count, loff_t *ppos)
1208 struct wl1271 *wl = file->private_data;
1210 return wl1271_format_buffer(user_buf, count,
1212 wl->conf.fwlog.output);
1215 static ssize_t fw_logger_write(struct file *file,
1216 const char __user *user_buf,
1217 size_t count, loff_t *ppos)
1219 struct wl1271 *wl = file->private_data;
1220 unsigned long value;
1223 ret = kstrtoul_from_user(user_buf, count, 0, &value);
1225 wl1271_warning("illegal value in fw_logger");
1229 if ((value > 2) || (value == 0)) {
1230 wl1271_warning("fw_logger value must be 1-UART 2-SDIO");
1234 if (wl->conf.fwlog.output == 0) {
1235 wl1271_warning("invalid operation - fw logger disabled by default, please change mode via wlconf");
1239 mutex_lock(&wl->mutex);
1240 ret = pm_runtime_resume_and_get(wl->dev);
1246 wl->conf.fwlog.output = value;
1248 ret = wl12xx_cmd_config_fwlog(wl);
1250 pm_runtime_mark_last_busy(wl->dev);
1251 pm_runtime_put_autosuspend(wl->dev);
1254 mutex_unlock(&wl->mutex);
1258 static 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,
1265 static void wl1271_debugfs_add_files(struct wl1271 *wl,
1266 struct dentry *rootdir)
1268 struct dentry *streaming;
1270 DEBUGFS_ADD(tx_queue_len, rootdir);
1271 DEBUGFS_ADD(retry_count, rootdir);
1272 DEBUGFS_ADD(excessive_retries, rootdir);
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);
1292 streaming = debugfs_create_dir("rx_streaming", rootdir);
1294 DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming);
1295 DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming);
1297 DEBUGFS_ADD_PREFIX(dev, mem, rootdir);
1300 void wl1271_debugfs_reset(struct wl1271 *wl)
1302 if (!wl->stats.fw_stats)
1305 memset(wl->stats.fw_stats, 0, wl->stats.fw_stats_len);
1306 wl->stats.retry_count = 0;
1307 wl->stats.excessive_retries = 0;
1310 int wl1271_debugfs_init(struct wl1271 *wl)
1313 struct dentry *rootdir;
1315 rootdir = debugfs_create_dir(KBUILD_MODNAME,
1316 wl->hw->wiphy->debugfsdir);
1318 wl->stats.fw_stats = kzalloc(wl->stats.fw_stats_len, GFP_KERNEL);
1319 if (!wl->stats.fw_stats) {
1324 wl->stats.fw_stats_update = jiffies;
1326 wl1271_debugfs_add_files(wl, rootdir);
1328 ret = wlcore_debugfs_init(wl, rootdir);
1335 wl1271_debugfs_exit(wl);
1338 debugfs_remove_recursive(rootdir);
1344 void wl1271_debugfs_exit(struct wl1271 *wl)
1346 kfree(wl->stats.fw_stats);
1347 wl->stats.fw_stats = NULL;