2 * This file is part of wl1271
4 * Copyright (C) 2009 Nokia Corporation
6 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
26 #include <linux/skbuff.h>
27 #include <linux/slab.h>
28 #include <linux/module.h>
39 #define WL1271_DEBUGFS_STATS_LIFETIME 1000
41 #define WLCORE_MAX_BLOCK_SIZE ((size_t)(4*PAGE_SIZE))
43 /* debugfs macros idea from mac80211 */
44 int wl1271_format_buffer(char __user *userbuf, size_t count,
45 loff_t *ppos, char *fmt, ...)
48 char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
52 res = vscnprintf(buf, sizeof(buf), fmt, args);
55 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
57 EXPORT_SYMBOL_GPL(wl1271_format_buffer);
59 void wl1271_debugfs_update_stats(struct wl1271 *wl)
63 mutex_lock(&wl->mutex);
65 if (unlikely(wl->state != WLCORE_STATE_ON))
68 ret = wl1271_ps_elp_wakeup(wl);
73 time_after(jiffies, wl->stats.fw_stats_update +
74 msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
75 wl1271_acx_statistics(wl, wl->stats.fw_stats);
76 wl->stats.fw_stats_update = jiffies;
79 wl1271_ps_elp_sleep(wl);
82 mutex_unlock(&wl->mutex);
84 EXPORT_SYMBOL_GPL(wl1271_debugfs_update_stats);
86 DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
87 DEBUGFS_READONLY_FILE(excessive_retries, "%u",
88 wl->stats.excessive_retries);
90 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
91 size_t count, loff_t *ppos)
93 struct wl1271 *wl = file->private_data;
98 queue_len = wl1271_tx_total_queue_count(wl);
100 res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
101 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
104 static const struct file_operations tx_queue_len_ops = {
105 .read = tx_queue_len_read,
107 .llseek = default_llseek,
110 static void chip_op_handler(struct wl1271 *wl, unsigned long value,
114 int (*chip_op) (struct wl1271 *wl);
117 wl1271_warning("debugfs chip_op_handler with no callback");
121 ret = wl1271_ps_elp_wakeup(wl);
128 wl1271_ps_elp_sleep(wl);
132 static inline void no_write_handler(struct wl1271 *wl,
138 #define WL12XX_CONF_DEBUGFS(param, conf_sub_struct, \
139 min_val, max_val, write_handler_locked, \
141 static ssize_t param##_read(struct file *file, \
142 char __user *user_buf, \
143 size_t count, loff_t *ppos) \
145 struct wl1271 *wl = file->private_data; \
146 return wl1271_format_buffer(user_buf, count, \
148 wl->conf.conf_sub_struct.param); \
151 static ssize_t param##_write(struct file *file, \
152 const char __user *user_buf, \
153 size_t count, loff_t *ppos) \
155 struct wl1271 *wl = file->private_data; \
156 unsigned long value; \
159 ret = kstrtoul_from_user(user_buf, count, 10, &value); \
161 wl1271_warning("illegal value for " #param); \
165 if (value < min_val || value > max_val) { \
166 wl1271_warning(#param " is not in valid range"); \
170 mutex_lock(&wl->mutex); \
171 wl->conf.conf_sub_struct.param = value; \
173 write_handler_locked(wl, value, write_handler_arg); \
175 mutex_unlock(&wl->mutex); \
179 static const struct file_operations param##_ops = { \
180 .read = param##_read, \
181 .write = param##_write, \
182 .open = simple_open, \
183 .llseek = default_llseek, \
186 WL12XX_CONF_DEBUGFS(irq_pkt_threshold, rx, 0, 65535,
187 chip_op_handler, wl1271_acx_init_rx_interrupt)
188 WL12XX_CONF_DEBUGFS(irq_blk_threshold, rx, 0, 65535,
189 chip_op_handler, wl1271_acx_init_rx_interrupt)
190 WL12XX_CONF_DEBUGFS(irq_timeout, rx, 0, 100,
191 chip_op_handler, wl1271_acx_init_rx_interrupt)
193 static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
194 size_t count, loff_t *ppos)
196 struct wl1271 *wl = file->private_data;
197 bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
202 res = scnprintf(buf, sizeof(buf), "%d\n", state);
204 return simple_read_from_buffer(user_buf, count, ppos, buf, res);
207 static ssize_t gpio_power_write(struct file *file,
208 const char __user *user_buf,
209 size_t count, loff_t *ppos)
211 struct wl1271 *wl = file->private_data;
215 ret = kstrtoul_from_user(user_buf, count, 10, &value);
217 wl1271_warning("illegal value in gpio_power");
221 mutex_lock(&wl->mutex);
226 wl1271_power_off(wl);
228 mutex_unlock(&wl->mutex);
232 static const struct file_operations gpio_power_ops = {
233 .read = gpio_power_read,
234 .write = gpio_power_write,
236 .llseek = default_llseek,
239 static ssize_t start_recovery_write(struct file *file,
240 const char __user *user_buf,
241 size_t count, loff_t *ppos)
243 struct wl1271 *wl = file->private_data;
245 mutex_lock(&wl->mutex);
246 wl12xx_queue_recovery_work(wl);
247 mutex_unlock(&wl->mutex);
252 static const struct file_operations start_recovery_ops = {
253 .write = start_recovery_write,
255 .llseek = default_llseek,
258 static ssize_t dynamic_ps_timeout_read(struct file *file, char __user *user_buf,
259 size_t count, loff_t *ppos)
261 struct wl1271 *wl = file->private_data;
263 return wl1271_format_buffer(user_buf, count,
265 wl->conf.conn.dynamic_ps_timeout);
268 static ssize_t dynamic_ps_timeout_write(struct file *file,
269 const char __user *user_buf,
270 size_t count, loff_t *ppos)
272 struct wl1271 *wl = file->private_data;
273 struct wl12xx_vif *wlvif;
277 ret = kstrtoul_from_user(user_buf, count, 10, &value);
279 wl1271_warning("illegal value in dynamic_ps");
283 if (value < 1 || value > 65535) {
284 wl1271_warning("dyanmic_ps_timeout is not in valid range");
288 mutex_lock(&wl->mutex);
290 wl->conf.conn.dynamic_ps_timeout = value;
292 if (unlikely(wl->state != WLCORE_STATE_ON))
295 ret = wl1271_ps_elp_wakeup(wl);
299 /* In case we're already in PSM, trigger it again to set new timeout
300 * immediately without waiting for re-association
303 wl12xx_for_each_wlvif_sta(wl, wlvif) {
304 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
305 wl1271_ps_set_mode(wl, wlvif, STATION_AUTO_PS_MODE);
308 wl1271_ps_elp_sleep(wl);
311 mutex_unlock(&wl->mutex);
315 static const struct file_operations dynamic_ps_timeout_ops = {
316 .read = dynamic_ps_timeout_read,
317 .write = dynamic_ps_timeout_write,
319 .llseek = default_llseek,
322 static ssize_t forced_ps_read(struct file *file, char __user *user_buf,
323 size_t count, loff_t *ppos)
325 struct wl1271 *wl = file->private_data;
327 return wl1271_format_buffer(user_buf, count,
329 wl->conf.conn.forced_ps);
332 static ssize_t forced_ps_write(struct file *file,
333 const char __user *user_buf,
334 size_t count, loff_t *ppos)
336 struct wl1271 *wl = file->private_data;
337 struct wl12xx_vif *wlvif;
341 ret = kstrtoul_from_user(user_buf, count, 10, &value);
343 wl1271_warning("illegal value in forced_ps");
347 if (value != 1 && value != 0) {
348 wl1271_warning("forced_ps should be either 0 or 1");
352 mutex_lock(&wl->mutex);
354 if (wl->conf.conn.forced_ps == value)
357 wl->conf.conn.forced_ps = value;
359 if (unlikely(wl->state != WLCORE_STATE_ON))
362 ret = wl1271_ps_elp_wakeup(wl);
366 /* In case we're already in PSM, trigger it again to switch mode
367 * immediately without waiting for re-association
370 ps_mode = value ? STATION_POWER_SAVE_MODE : STATION_AUTO_PS_MODE;
372 wl12xx_for_each_wlvif_sta(wl, wlvif) {
373 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
374 wl1271_ps_set_mode(wl, wlvif, ps_mode);
377 wl1271_ps_elp_sleep(wl);
380 mutex_unlock(&wl->mutex);
384 static const struct file_operations forced_ps_ops = {
385 .read = forced_ps_read,
386 .write = forced_ps_write,
388 .llseek = default_llseek,
391 static ssize_t split_scan_timeout_read(struct file *file, char __user *user_buf,
392 size_t count, loff_t *ppos)
394 struct wl1271 *wl = file->private_data;
396 return wl1271_format_buffer(user_buf, count,
398 wl->conf.scan.split_scan_timeout / 1000);
401 static ssize_t split_scan_timeout_write(struct file *file,
402 const char __user *user_buf,
403 size_t count, loff_t *ppos)
405 struct wl1271 *wl = file->private_data;
409 ret = kstrtoul_from_user(user_buf, count, 10, &value);
411 wl1271_warning("illegal value in split_scan_timeout");
416 wl1271_info("split scan will be disabled");
418 mutex_lock(&wl->mutex);
420 wl->conf.scan.split_scan_timeout = value * 1000;
422 mutex_unlock(&wl->mutex);
426 static const struct file_operations split_scan_timeout_ops = {
427 .read = split_scan_timeout_read,
428 .write = split_scan_timeout_write,
430 .llseek = default_llseek,
433 static ssize_t driver_state_read(struct file *file, char __user *user_buf,
434 size_t count, loff_t *ppos)
436 struct wl1271 *wl = file->private_data;
440 struct wl12xx_vif *wlvif;
442 #define DRIVER_STATE_BUF_LEN 1024
444 buf = kmalloc(DRIVER_STATE_BUF_LEN, GFP_KERNEL);
448 mutex_lock(&wl->mutex);
450 #define DRIVER_STATE_PRINT(x, fmt) \
451 (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
452 #x " = " fmt "\n", wl->x))
454 #define DRIVER_STATE_PRINT_GENERIC(x, fmt, args...) \
455 (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
456 #x " = " fmt "\n", args))
458 #define DRIVER_STATE_PRINT_LONG(x) DRIVER_STATE_PRINT(x, "%ld")
459 #define DRIVER_STATE_PRINT_INT(x) DRIVER_STATE_PRINT(x, "%d")
460 #define DRIVER_STATE_PRINT_STR(x) DRIVER_STATE_PRINT(x, "%s")
461 #define DRIVER_STATE_PRINT_LHEX(x) DRIVER_STATE_PRINT(x, "0x%lx")
462 #define DRIVER_STATE_PRINT_HEX(x) DRIVER_STATE_PRINT(x, "0x%x")
464 wl12xx_for_each_wlvif_sta(wl, wlvif) {
465 if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
468 DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
469 wlvif->p2p ? "P2P-CL" : "STA");
472 wl12xx_for_each_wlvif_ap(wl, wlvif)
473 DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
474 wlvif->p2p ? "P2P-GO" : "AP");
476 DRIVER_STATE_PRINT_INT(tx_blocks_available);
477 DRIVER_STATE_PRINT_INT(tx_allocated_blocks);
478 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[0]);
479 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[1]);
480 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[2]);
481 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[3]);
482 DRIVER_STATE_PRINT_INT(tx_frames_cnt);
483 DRIVER_STATE_PRINT_LHEX(tx_frames_map[0]);
484 DRIVER_STATE_PRINT_INT(tx_queue_count[0]);
485 DRIVER_STATE_PRINT_INT(tx_queue_count[1]);
486 DRIVER_STATE_PRINT_INT(tx_queue_count[2]);
487 DRIVER_STATE_PRINT_INT(tx_queue_count[3]);
488 DRIVER_STATE_PRINT_INT(tx_packets_count);
489 DRIVER_STATE_PRINT_INT(tx_results_count);
490 DRIVER_STATE_PRINT_LHEX(flags);
491 DRIVER_STATE_PRINT_INT(tx_blocks_freed);
492 DRIVER_STATE_PRINT_INT(rx_counter);
493 DRIVER_STATE_PRINT_INT(state);
494 DRIVER_STATE_PRINT_INT(band);
495 DRIVER_STATE_PRINT_INT(power_level);
496 DRIVER_STATE_PRINT_INT(sg_enabled);
497 DRIVER_STATE_PRINT_INT(enable_11a);
498 DRIVER_STATE_PRINT_INT(noise);
499 DRIVER_STATE_PRINT_LHEX(ap_fw_ps_map);
500 DRIVER_STATE_PRINT_LHEX(ap_ps_map);
501 DRIVER_STATE_PRINT_HEX(quirks);
502 DRIVER_STATE_PRINT_HEX(irq);
503 /* TODO: ref_clock and tcxo_clock were moved to wl12xx priv */
504 DRIVER_STATE_PRINT_HEX(hw_pg_ver);
505 DRIVER_STATE_PRINT_HEX(irq_flags);
506 DRIVER_STATE_PRINT_HEX(chip.id);
507 DRIVER_STATE_PRINT_STR(chip.fw_ver_str);
508 DRIVER_STATE_PRINT_STR(chip.phy_fw_ver_str);
509 DRIVER_STATE_PRINT_INT(recovery_count);
511 #undef DRIVER_STATE_PRINT_INT
512 #undef DRIVER_STATE_PRINT_LONG
513 #undef DRIVER_STATE_PRINT_HEX
514 #undef DRIVER_STATE_PRINT_LHEX
515 #undef DRIVER_STATE_PRINT_STR
516 #undef DRIVER_STATE_PRINT
517 #undef DRIVER_STATE_BUF_LEN
519 mutex_unlock(&wl->mutex);
521 ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
526 static const struct file_operations driver_state_ops = {
527 .read = driver_state_read,
529 .llseek = default_llseek,
532 static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
533 size_t count, loff_t *ppos)
535 struct wl1271 *wl = file->private_data;
536 struct wl12xx_vif *wlvif;
538 const int buf_size = 4096;
542 buf = kzalloc(buf_size, GFP_KERNEL);
546 mutex_lock(&wl->mutex);
548 #define VIF_STATE_PRINT(x, fmt) \
549 (res += scnprintf(buf + res, buf_size - res, \
550 #x " = " fmt "\n", wlvif->x))
552 #define VIF_STATE_PRINT_LONG(x) VIF_STATE_PRINT(x, "%ld")
553 #define VIF_STATE_PRINT_INT(x) VIF_STATE_PRINT(x, "%d")
554 #define VIF_STATE_PRINT_STR(x) VIF_STATE_PRINT(x, "%s")
555 #define VIF_STATE_PRINT_LHEX(x) VIF_STATE_PRINT(x, "0x%lx")
556 #define VIF_STATE_PRINT_LLHEX(x) VIF_STATE_PRINT(x, "0x%llx")
557 #define VIF_STATE_PRINT_HEX(x) VIF_STATE_PRINT(x, "0x%x")
559 #define VIF_STATE_PRINT_NSTR(x, len) \
561 memset(tmp_buf, 0, sizeof(tmp_buf)); \
562 memcpy(tmp_buf, wlvif->x, \
563 min_t(u8, len, sizeof(tmp_buf) - 1)); \
564 res += scnprintf(buf + res, buf_size - res, \
565 #x " = %s\n", tmp_buf); \
568 wl12xx_for_each_wlvif(wl, wlvif) {
569 VIF_STATE_PRINT_INT(role_id);
570 VIF_STATE_PRINT_INT(bss_type);
571 VIF_STATE_PRINT_LHEX(flags);
572 VIF_STATE_PRINT_INT(p2p);
573 VIF_STATE_PRINT_INT(dev_role_id);
574 VIF_STATE_PRINT_INT(dev_hlid);
576 if (wlvif->bss_type == BSS_TYPE_STA_BSS ||
577 wlvif->bss_type == BSS_TYPE_IBSS) {
578 VIF_STATE_PRINT_INT(sta.hlid);
579 VIF_STATE_PRINT_INT(sta.basic_rate_idx);
580 VIF_STATE_PRINT_INT(sta.ap_rate_idx);
581 VIF_STATE_PRINT_INT(sta.p2p_rate_idx);
582 VIF_STATE_PRINT_INT(sta.qos);
584 VIF_STATE_PRINT_INT(ap.global_hlid);
585 VIF_STATE_PRINT_INT(ap.bcast_hlid);
586 VIF_STATE_PRINT_LHEX(ap.sta_hlid_map[0]);
587 VIF_STATE_PRINT_INT(ap.mgmt_rate_idx);
588 VIF_STATE_PRINT_INT(ap.bcast_rate_idx);
589 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[0]);
590 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[1]);
591 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[2]);
592 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[3]);
594 VIF_STATE_PRINT_INT(last_tx_hlid);
595 VIF_STATE_PRINT_INT(tx_queue_count[0]);
596 VIF_STATE_PRINT_INT(tx_queue_count[1]);
597 VIF_STATE_PRINT_INT(tx_queue_count[2]);
598 VIF_STATE_PRINT_INT(tx_queue_count[3]);
599 VIF_STATE_PRINT_LHEX(links_map[0]);
600 VIF_STATE_PRINT_NSTR(ssid, wlvif->ssid_len);
601 VIF_STATE_PRINT_INT(band);
602 VIF_STATE_PRINT_INT(channel);
603 VIF_STATE_PRINT_HEX(bitrate_masks[0]);
604 VIF_STATE_PRINT_HEX(bitrate_masks[1]);
605 VIF_STATE_PRINT_HEX(basic_rate_set);
606 VIF_STATE_PRINT_HEX(basic_rate);
607 VIF_STATE_PRINT_HEX(rate_set);
608 VIF_STATE_PRINT_INT(beacon_int);
609 VIF_STATE_PRINT_INT(default_key);
610 VIF_STATE_PRINT_INT(aid);
611 VIF_STATE_PRINT_INT(psm_entry_retry);
612 VIF_STATE_PRINT_INT(power_level);
613 VIF_STATE_PRINT_INT(rssi_thold);
614 VIF_STATE_PRINT_INT(last_rssi_event);
615 VIF_STATE_PRINT_INT(ba_support);
616 VIF_STATE_PRINT_INT(ba_allowed);
617 VIF_STATE_PRINT_LLHEX(total_freed_pkts);
620 #undef VIF_STATE_PRINT_INT
621 #undef VIF_STATE_PRINT_LONG
622 #undef VIF_STATE_PRINT_HEX
623 #undef VIF_STATE_PRINT_LHEX
624 #undef VIF_STATE_PRINT_LLHEX
625 #undef VIF_STATE_PRINT_STR
626 #undef VIF_STATE_PRINT_NSTR
627 #undef VIF_STATE_PRINT
629 mutex_unlock(&wl->mutex);
631 ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
636 static const struct file_operations vifs_state_ops = {
637 .read = vifs_state_read,
639 .llseek = default_llseek,
642 static ssize_t dtim_interval_read(struct file *file, char __user *user_buf,
643 size_t count, loff_t *ppos)
645 struct wl1271 *wl = file->private_data;
648 if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
649 wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
650 value = wl->conf.conn.listen_interval;
654 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
657 static ssize_t dtim_interval_write(struct file *file,
658 const char __user *user_buf,
659 size_t count, loff_t *ppos)
661 struct wl1271 *wl = file->private_data;
665 ret = kstrtoul_from_user(user_buf, count, 10, &value);
667 wl1271_warning("illegal value for dtim_interval");
671 if (value < 1 || value > 10) {
672 wl1271_warning("dtim value is not in valid range");
676 mutex_lock(&wl->mutex);
678 wl->conf.conn.listen_interval = value;
679 /* for some reason there are different event types for 1 and >1 */
681 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
683 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
686 * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
687 * take effect on the next time we enter psm.
689 mutex_unlock(&wl->mutex);
693 static const struct file_operations dtim_interval_ops = {
694 .read = dtim_interval_read,
695 .write = dtim_interval_write,
697 .llseek = default_llseek,
702 static ssize_t suspend_dtim_interval_read(struct file *file,
703 char __user *user_buf,
704 size_t count, loff_t *ppos)
706 struct wl1271 *wl = file->private_data;
709 if (wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
710 wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
711 value = wl->conf.conn.suspend_listen_interval;
715 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
718 static ssize_t suspend_dtim_interval_write(struct file *file,
719 const char __user *user_buf,
720 size_t count, loff_t *ppos)
722 struct wl1271 *wl = file->private_data;
726 ret = kstrtoul_from_user(user_buf, count, 10, &value);
728 wl1271_warning("illegal value for suspend_dtim_interval");
732 if (value < 1 || value > 10) {
733 wl1271_warning("suspend_dtim value is not in valid range");
737 mutex_lock(&wl->mutex);
739 wl->conf.conn.suspend_listen_interval = value;
740 /* for some reason there are different event types for 1 and >1 */
742 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
744 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
746 mutex_unlock(&wl->mutex);
751 static const struct file_operations suspend_dtim_interval_ops = {
752 .read = suspend_dtim_interval_read,
753 .write = suspend_dtim_interval_write,
755 .llseek = default_llseek,
758 static ssize_t beacon_interval_read(struct file *file, char __user *user_buf,
759 size_t count, loff_t *ppos)
761 struct wl1271 *wl = file->private_data;
764 if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_BEACON ||
765 wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_BEACONS)
766 value = wl->conf.conn.listen_interval;
770 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
773 static ssize_t beacon_interval_write(struct file *file,
774 const char __user *user_buf,
775 size_t count, loff_t *ppos)
777 struct wl1271 *wl = file->private_data;
781 ret = kstrtoul_from_user(user_buf, count, 10, &value);
783 wl1271_warning("illegal value for beacon_interval");
787 if (value < 1 || value > 255) {
788 wl1271_warning("beacon interval value is not in valid range");
792 mutex_lock(&wl->mutex);
794 wl->conf.conn.listen_interval = value;
795 /* for some reason there are different event types for 1 and >1 */
797 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_BEACON;
799 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_BEACONS;
802 * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
803 * take effect on the next time we enter psm.
805 mutex_unlock(&wl->mutex);
809 static const struct file_operations beacon_interval_ops = {
810 .read = beacon_interval_read,
811 .write = beacon_interval_write,
813 .llseek = default_llseek,
816 static ssize_t rx_streaming_interval_write(struct file *file,
817 const char __user *user_buf,
818 size_t count, loff_t *ppos)
820 struct wl1271 *wl = file->private_data;
821 struct wl12xx_vif *wlvif;
825 ret = kstrtoul_from_user(user_buf, count, 10, &value);
827 wl1271_warning("illegal value in rx_streaming_interval!");
831 /* valid values: 0, 10-100 */
832 if (value && (value < 10 || value > 100)) {
833 wl1271_warning("value is not in range!");
837 mutex_lock(&wl->mutex);
839 wl->conf.rx_streaming.interval = value;
841 ret = wl1271_ps_elp_wakeup(wl);
845 wl12xx_for_each_wlvif_sta(wl, wlvif) {
846 wl1271_recalc_rx_streaming(wl, wlvif);
849 wl1271_ps_elp_sleep(wl);
851 mutex_unlock(&wl->mutex);
855 static ssize_t rx_streaming_interval_read(struct file *file,
856 char __user *userbuf,
857 size_t count, loff_t *ppos)
859 struct wl1271 *wl = file->private_data;
860 return wl1271_format_buffer(userbuf, count, ppos,
861 "%d\n", wl->conf.rx_streaming.interval);
864 static const struct file_operations rx_streaming_interval_ops = {
865 .read = rx_streaming_interval_read,
866 .write = rx_streaming_interval_write,
868 .llseek = default_llseek,
871 static ssize_t rx_streaming_always_write(struct file *file,
872 const char __user *user_buf,
873 size_t count, loff_t *ppos)
875 struct wl1271 *wl = file->private_data;
876 struct wl12xx_vif *wlvif;
880 ret = kstrtoul_from_user(user_buf, count, 10, &value);
882 wl1271_warning("illegal value in rx_streaming_write!");
886 /* valid values: 0, 10-100 */
887 if (!(value == 0 || value == 1)) {
888 wl1271_warning("value is not in valid!");
892 mutex_lock(&wl->mutex);
894 wl->conf.rx_streaming.always = value;
896 ret = wl1271_ps_elp_wakeup(wl);
900 wl12xx_for_each_wlvif_sta(wl, wlvif) {
901 wl1271_recalc_rx_streaming(wl, wlvif);
904 wl1271_ps_elp_sleep(wl);
906 mutex_unlock(&wl->mutex);
910 static ssize_t rx_streaming_always_read(struct file *file,
911 char __user *userbuf,
912 size_t count, loff_t *ppos)
914 struct wl1271 *wl = file->private_data;
915 return wl1271_format_buffer(userbuf, count, ppos,
916 "%d\n", wl->conf.rx_streaming.always);
919 static const struct file_operations rx_streaming_always_ops = {
920 .read = rx_streaming_always_read,
921 .write = rx_streaming_always_write,
923 .llseek = default_llseek,
926 static ssize_t beacon_filtering_write(struct file *file,
927 const char __user *user_buf,
928 size_t count, loff_t *ppos)
930 struct wl1271 *wl = file->private_data;
931 struct wl12xx_vif *wlvif;
935 ret = kstrtoul_from_user(user_buf, count, 0, &value);
937 wl1271_warning("illegal value for beacon_filtering!");
941 mutex_lock(&wl->mutex);
943 ret = wl1271_ps_elp_wakeup(wl);
947 wl12xx_for_each_wlvif(wl, wlvif) {
948 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, !!value);
951 wl1271_ps_elp_sleep(wl);
953 mutex_unlock(&wl->mutex);
957 static const struct file_operations beacon_filtering_ops = {
958 .write = beacon_filtering_write,
960 .llseek = default_llseek,
963 static ssize_t fw_stats_raw_read(struct file *file,
964 char __user *userbuf,
965 size_t count, loff_t *ppos)
967 struct wl1271 *wl = file->private_data;
969 wl1271_debugfs_update_stats(wl);
971 return simple_read_from_buffer(userbuf, count, ppos,
973 wl->stats.fw_stats_len);
976 static const struct file_operations fw_stats_raw_ops = {
977 .read = fw_stats_raw_read,
979 .llseek = default_llseek,
982 static ssize_t sleep_auth_read(struct file *file, char __user *user_buf,
983 size_t count, loff_t *ppos)
985 struct wl1271 *wl = file->private_data;
987 return wl1271_format_buffer(user_buf, count,
992 static ssize_t sleep_auth_write(struct file *file,
993 const char __user *user_buf,
994 size_t count, loff_t *ppos)
996 struct wl1271 *wl = file->private_data;
1000 ret = kstrtoul_from_user(user_buf, count, 0, &value);
1002 wl1271_warning("illegal value in sleep_auth");
1006 if (value > WL1271_PSM_MAX) {
1007 wl1271_warning("sleep_auth must be between 0 and %d",
1012 mutex_lock(&wl->mutex);
1014 wl->conf.conn.sta_sleep_auth = value;
1016 if (unlikely(wl->state != WLCORE_STATE_ON)) {
1017 /* this will show up on "read" in case we are off */
1018 wl->sleep_auth = value;
1022 ret = wl1271_ps_elp_wakeup(wl);
1026 ret = wl1271_acx_sleep_auth(wl, value);
1031 wl1271_ps_elp_sleep(wl);
1033 mutex_unlock(&wl->mutex);
1037 static const struct file_operations sleep_auth_ops = {
1038 .read = sleep_auth_read,
1039 .write = sleep_auth_write,
1040 .open = simple_open,
1041 .llseek = default_llseek,
1044 static ssize_t dev_mem_read(struct file *file,
1045 char __user *user_buf, size_t count,
1048 struct wl1271 *wl = file->private_data;
1049 struct wlcore_partition_set part, old_part;
1050 size_t bytes = count;
1054 /* only requests of dword-aligned size and offset are supported */
1061 /* function should return in reasonable time */
1062 bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
1067 memset(&part, 0, sizeof(part));
1068 part.mem.start = *ppos;
1069 part.mem.size = bytes;
1071 buf = kmalloc(bytes, GFP_KERNEL);
1075 mutex_lock(&wl->mutex);
1077 if (unlikely(wl->state == WLCORE_STATE_OFF)) {
1083 * Don't fail if elp_wakeup returns an error, so the device's memory
1084 * could be read even if the FW crashed
1086 wl1271_ps_elp_wakeup(wl);
1088 /* store current partition and switch partition */
1089 memcpy(&old_part, &wl->curr_part, sizeof(old_part));
1090 ret = wlcore_set_partition(wl, &part);
1094 ret = wlcore_raw_read(wl, 0, buf, bytes, false);
1099 /* recover partition */
1100 ret = wlcore_set_partition(wl, &old_part);
1105 wl1271_ps_elp_sleep(wl);
1108 mutex_unlock(&wl->mutex);
1111 ret = copy_to_user(user_buf, buf, bytes);
1123 return ((ret == 0) ? bytes : ret);
1126 static ssize_t dev_mem_write(struct file *file, const char __user *user_buf,
1127 size_t count, loff_t *ppos)
1129 struct wl1271 *wl = file->private_data;
1130 struct wlcore_partition_set part, old_part;
1131 size_t bytes = count;
1135 /* only requests of dword-aligned size and offset are supported */
1142 /* function should return in reasonable time */
1143 bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
1148 memset(&part, 0, sizeof(part));
1149 part.mem.start = *ppos;
1150 part.mem.size = bytes;
1152 buf = kmalloc(bytes, GFP_KERNEL);
1156 ret = copy_from_user(buf, user_buf, bytes);
1162 mutex_lock(&wl->mutex);
1164 if (unlikely(wl->state == WLCORE_STATE_OFF)) {
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 wl1271_ps_elp_wakeup(wl);
1175 /* store current partition and switch partition */
1176 memcpy(&old_part, &wl->curr_part, sizeof(old_part));
1177 ret = wlcore_set_partition(wl, &part);
1181 ret = wlcore_raw_write(wl, 0, buf, bytes, false);
1186 /* recover partition */
1187 ret = wlcore_set_partition(wl, &old_part);
1192 wl1271_ps_elp_sleep(wl);
1195 mutex_unlock(&wl->mutex);
1203 return ((ret == 0) ? bytes : ret);
1206 static loff_t dev_mem_seek(struct file *file, loff_t offset, int orig)
1210 /* only requests of dword-aligned size and offset are supported */
1216 file->f_pos = offset;
1220 file->f_pos += offset;
1230 static const struct file_operations dev_mem_ops = {
1231 .open = simple_open,
1232 .read = dev_mem_read,
1233 .write = dev_mem_write,
1234 .llseek = dev_mem_seek,
1237 static int wl1271_debugfs_add_files(struct wl1271 *wl,
1238 struct dentry *rootdir)
1241 struct dentry *entry, *streaming;
1243 DEBUGFS_ADD(tx_queue_len, rootdir);
1244 DEBUGFS_ADD(retry_count, rootdir);
1245 DEBUGFS_ADD(excessive_retries, rootdir);
1247 DEBUGFS_ADD(gpio_power, rootdir);
1248 DEBUGFS_ADD(start_recovery, rootdir);
1249 DEBUGFS_ADD(driver_state, rootdir);
1250 DEBUGFS_ADD(vifs_state, rootdir);
1251 DEBUGFS_ADD(dtim_interval, rootdir);
1252 DEBUGFS_ADD(suspend_dtim_interval, rootdir);
1253 DEBUGFS_ADD(beacon_interval, rootdir);
1254 DEBUGFS_ADD(beacon_filtering, rootdir);
1255 DEBUGFS_ADD(dynamic_ps_timeout, rootdir);
1256 DEBUGFS_ADD(forced_ps, rootdir);
1257 DEBUGFS_ADD(split_scan_timeout, rootdir);
1258 DEBUGFS_ADD(irq_pkt_threshold, rootdir);
1259 DEBUGFS_ADD(irq_blk_threshold, rootdir);
1260 DEBUGFS_ADD(irq_timeout, rootdir);
1261 DEBUGFS_ADD(fw_stats_raw, rootdir);
1262 DEBUGFS_ADD(sleep_auth, rootdir);
1264 streaming = debugfs_create_dir("rx_streaming", rootdir);
1265 if (!streaming || IS_ERR(streaming))
1268 DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming);
1269 DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming);
1271 DEBUGFS_ADD_PREFIX(dev, mem, rootdir);
1277 ret = PTR_ERR(entry);
1284 void wl1271_debugfs_reset(struct wl1271 *wl)
1286 if (!wl->stats.fw_stats)
1289 memset(wl->stats.fw_stats, 0, wl->stats.fw_stats_len);
1290 wl->stats.retry_count = 0;
1291 wl->stats.excessive_retries = 0;
1294 int wl1271_debugfs_init(struct wl1271 *wl)
1297 struct dentry *rootdir;
1299 rootdir = debugfs_create_dir(KBUILD_MODNAME,
1300 wl->hw->wiphy->debugfsdir);
1302 if (IS_ERR(rootdir)) {
1303 ret = PTR_ERR(rootdir);
1307 wl->stats.fw_stats = kzalloc(wl->stats.fw_stats_len, GFP_KERNEL);
1308 if (!wl->stats.fw_stats) {
1313 wl->stats.fw_stats_update = jiffies;
1315 ret = wl1271_debugfs_add_files(wl, rootdir);
1319 ret = wlcore_debugfs_init(wl, rootdir);
1326 wl1271_debugfs_exit(wl);
1329 debugfs_remove_recursive(rootdir);
1335 void wl1271_debugfs_exit(struct wl1271 *wl)
1337 kfree(wl->stats.fw_stats);
1338 wl->stats.fw_stats = NULL;