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>
37 #define WL1271_DEBUGFS_STATS_LIFETIME 1000
39 /* debugfs macros idea from mac80211 */
40 #define DEBUGFS_FORMAT_BUFFER_SIZE 100
41 static int wl1271_format_buffer(char __user *userbuf, size_t count,
42 loff_t *ppos, char *fmt, ...)
45 char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
49 res = vscnprintf(buf, sizeof(buf), fmt, args);
52 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
55 #define DEBUGFS_READONLY_FILE(name, fmt, value...) \
56 static ssize_t name## _read(struct file *file, char __user *userbuf, \
57 size_t count, loff_t *ppos) \
59 struct wl1271 *wl = file->private_data; \
60 return wl1271_format_buffer(userbuf, count, ppos, \
64 static const struct file_operations name## _ops = { \
65 .read = name## _read, \
66 .open = wl1271_open_file_generic, \
67 .llseek = generic_file_llseek, \
70 #define DEBUGFS_ADD(name, parent) \
71 entry = debugfs_create_file(#name, 0400, parent, \
73 if (!entry || IS_ERR(entry)) \
76 #define DEBUGFS_ADD_PREFIX(prefix, name, parent) \
78 entry = debugfs_create_file(#name, 0400, parent, \
79 wl, &prefix## _## name## _ops); \
80 if (!entry || IS_ERR(entry)) \
84 #define DEBUGFS_FWSTATS_FILE(sub, name, fmt) \
85 static ssize_t sub## _ ##name## _read(struct file *file, \
86 char __user *userbuf, \
87 size_t count, loff_t *ppos) \
89 struct wl1271 *wl = file->private_data; \
91 wl1271_debugfs_update_stats(wl); \
93 return wl1271_format_buffer(userbuf, count, ppos, fmt "\n", \
94 wl->stats.fw_stats->sub.name); \
97 static const struct file_operations sub## _ ##name## _ops = { \
98 .read = sub## _ ##name## _read, \
99 .open = wl1271_open_file_generic, \
100 .llseek = generic_file_llseek, \
103 #define DEBUGFS_FWSTATS_ADD(sub, name) \
104 DEBUGFS_ADD(sub## _ ##name, stats)
106 static void wl1271_debugfs_update_stats(struct wl1271 *wl)
110 mutex_lock(&wl->mutex);
112 ret = wl1271_ps_elp_wakeup(wl);
116 if (wl->state == WL1271_STATE_ON && !wl->plt &&
117 time_after(jiffies, wl->stats.fw_stats_update +
118 msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
119 wl1271_acx_statistics(wl, wl->stats.fw_stats);
120 wl->stats.fw_stats_update = jiffies;
123 wl1271_ps_elp_sleep(wl);
126 mutex_unlock(&wl->mutex);
129 static int wl1271_open_file_generic(struct inode *inode, struct file *file)
131 file->private_data = inode->i_private;
135 DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, "%u");
137 DEBUGFS_FWSTATS_FILE(rx, out_of_mem, "%u");
138 DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, "%u");
139 DEBUGFS_FWSTATS_FILE(rx, hw_stuck, "%u");
140 DEBUGFS_FWSTATS_FILE(rx, dropped, "%u");
141 DEBUGFS_FWSTATS_FILE(rx, fcs_err, "%u");
142 DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, "%u");
143 DEBUGFS_FWSTATS_FILE(rx, path_reset, "%u");
144 DEBUGFS_FWSTATS_FILE(rx, reset_counter, "%u");
146 DEBUGFS_FWSTATS_FILE(dma, rx_requested, "%u");
147 DEBUGFS_FWSTATS_FILE(dma, rx_errors, "%u");
148 DEBUGFS_FWSTATS_FILE(dma, tx_requested, "%u");
149 DEBUGFS_FWSTATS_FILE(dma, tx_errors, "%u");
151 DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, "%u");
152 DEBUGFS_FWSTATS_FILE(isr, fiqs, "%u");
153 DEBUGFS_FWSTATS_FILE(isr, rx_headers, "%u");
154 DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, "%u");
155 DEBUGFS_FWSTATS_FILE(isr, rx_rdys, "%u");
156 DEBUGFS_FWSTATS_FILE(isr, irqs, "%u");
157 DEBUGFS_FWSTATS_FILE(isr, tx_procs, "%u");
158 DEBUGFS_FWSTATS_FILE(isr, decrypt_done, "%u");
159 DEBUGFS_FWSTATS_FILE(isr, dma0_done, "%u");
160 DEBUGFS_FWSTATS_FILE(isr, dma1_done, "%u");
161 DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, "%u");
162 DEBUGFS_FWSTATS_FILE(isr, commands, "%u");
163 DEBUGFS_FWSTATS_FILE(isr, rx_procs, "%u");
164 DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, "%u");
165 DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, "%u");
166 DEBUGFS_FWSTATS_FILE(isr, pci_pm, "%u");
167 DEBUGFS_FWSTATS_FILE(isr, wakeups, "%u");
168 DEBUGFS_FWSTATS_FILE(isr, low_rssi, "%u");
170 DEBUGFS_FWSTATS_FILE(wep, addr_key_count, "%u");
171 DEBUGFS_FWSTATS_FILE(wep, default_key_count, "%u");
172 /* skipping wep.reserved */
173 DEBUGFS_FWSTATS_FILE(wep, key_not_found, "%u");
174 DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, "%u");
175 DEBUGFS_FWSTATS_FILE(wep, packets, "%u");
176 DEBUGFS_FWSTATS_FILE(wep, interrupt, "%u");
178 DEBUGFS_FWSTATS_FILE(pwr, ps_enter, "%u");
179 DEBUGFS_FWSTATS_FILE(pwr, elp_enter, "%u");
180 DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, "%u");
181 DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, "%u");
182 DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, "%u");
183 DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, "%u");
184 DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, "%u");
185 DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, "%u");
186 DEBUGFS_FWSTATS_FILE(pwr, power_save_off, "%u");
187 DEBUGFS_FWSTATS_FILE(pwr, enable_ps, "%u");
188 DEBUGFS_FWSTATS_FILE(pwr, disable_ps, "%u");
189 DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, "%u");
190 /* skipping cont_miss_bcns_spread for now */
191 DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, "%u");
193 DEBUGFS_FWSTATS_FILE(mic, rx_pkts, "%u");
194 DEBUGFS_FWSTATS_FILE(mic, calc_failure, "%u");
196 DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, "%u");
197 DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, "%u");
198 DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, "%u");
199 DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, "%u");
200 DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, "%u");
201 DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, "%u");
203 DEBUGFS_FWSTATS_FILE(event, heart_beat, "%u");
204 DEBUGFS_FWSTATS_FILE(event, calibration, "%u");
205 DEBUGFS_FWSTATS_FILE(event, rx_mismatch, "%u");
206 DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, "%u");
207 DEBUGFS_FWSTATS_FILE(event, rx_pool, "%u");
208 DEBUGFS_FWSTATS_FILE(event, oom_late, "%u");
209 DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, "%u");
210 DEBUGFS_FWSTATS_FILE(event, tx_stuck, "%u");
212 DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, "%u");
213 DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, "%u");
214 DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, "%u");
215 DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, "%u");
216 DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, "%u");
217 DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, "%u");
218 DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, "%u");
220 DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, "%u");
221 DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, "%u");
222 DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, "%u");
223 DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, "%u");
224 DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, "%u");
226 DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
227 DEBUGFS_READONLY_FILE(excessive_retries, "%u",
228 wl->stats.excessive_retries);
230 static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
231 size_t count, loff_t *ppos)
233 struct wl1271 *wl = file->private_data;
238 queue_len = wl1271_tx_total_queue_count(wl);
240 res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
241 return simple_read_from_buffer(userbuf, count, ppos, buf, res);
244 static const struct file_operations tx_queue_len_ops = {
245 .read = tx_queue_len_read,
246 .open = wl1271_open_file_generic,
247 .llseek = default_llseek,
250 static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
251 size_t count, loff_t *ppos)
253 struct wl1271 *wl = file->private_data;
254 bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
259 res = scnprintf(buf, sizeof(buf), "%d\n", state);
261 return simple_read_from_buffer(user_buf, count, ppos, buf, res);
264 static ssize_t gpio_power_write(struct file *file,
265 const char __user *user_buf,
266 size_t count, loff_t *ppos)
268 struct wl1271 *wl = file->private_data;
272 ret = kstrtoul_from_user(user_buf, count, 10, &value);
274 wl1271_warning("illegal value in gpio_power");
278 mutex_lock(&wl->mutex);
283 wl1271_power_off(wl);
285 mutex_unlock(&wl->mutex);
289 static const struct file_operations gpio_power_ops = {
290 .read = gpio_power_read,
291 .write = gpio_power_write,
292 .open = wl1271_open_file_generic,
293 .llseek = default_llseek,
296 static ssize_t start_recovery_write(struct file *file,
297 const char __user *user_buf,
298 size_t count, loff_t *ppos)
300 struct wl1271 *wl = file->private_data;
302 mutex_lock(&wl->mutex);
303 wl12xx_queue_recovery_work(wl);
304 mutex_unlock(&wl->mutex);
309 static const struct file_operations start_recovery_ops = {
310 .write = start_recovery_write,
311 .open = wl1271_open_file_generic,
312 .llseek = default_llseek,
315 static ssize_t dynamic_ps_timeout_read(struct file *file, char __user *user_buf,
316 size_t count, loff_t *ppos)
318 struct wl1271 *wl = file->private_data;
320 return wl1271_format_buffer(user_buf, count,
322 wl->conf.conn.dynamic_ps_timeout);
325 static ssize_t dynamic_ps_timeout_write(struct file *file,
326 const char __user *user_buf,
327 size_t count, loff_t *ppos)
329 struct wl1271 *wl = file->private_data;
330 struct wl12xx_vif *wlvif;
334 ret = kstrtoul_from_user(user_buf, count, 10, &value);
336 wl1271_warning("illegal value in dynamic_ps");
340 if (value < 1 || value > 65535) {
341 wl1271_warning("dyanmic_ps_timeout is not in valid range");
345 mutex_lock(&wl->mutex);
347 wl->conf.conn.dynamic_ps_timeout = value;
349 if (wl->state == WL1271_STATE_OFF)
352 ret = wl1271_ps_elp_wakeup(wl);
356 /* In case we're already in PSM, trigger it again to set new timeout
357 * immediately without waiting for re-association
360 wl12xx_for_each_wlvif_sta(wl, wlvif) {
361 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
362 wl1271_ps_set_mode(wl, wlvif, STATION_AUTO_PS_MODE);
365 wl1271_ps_elp_sleep(wl);
368 mutex_unlock(&wl->mutex);
372 static const struct file_operations dynamic_ps_timeout_ops = {
373 .read = dynamic_ps_timeout_read,
374 .write = dynamic_ps_timeout_write,
375 .open = wl1271_open_file_generic,
376 .llseek = default_llseek,
379 static ssize_t forced_ps_read(struct file *file, char __user *user_buf,
380 size_t count, loff_t *ppos)
382 struct wl1271 *wl = file->private_data;
384 return wl1271_format_buffer(user_buf, count,
386 wl->conf.conn.forced_ps);
389 static ssize_t forced_ps_write(struct file *file,
390 const char __user *user_buf,
391 size_t count, loff_t *ppos)
393 struct wl1271 *wl = file->private_data;
394 struct wl12xx_vif *wlvif;
398 ret = kstrtoul_from_user(user_buf, count, 10, &value);
400 wl1271_warning("illegal value in forced_ps");
404 if (value != 1 && value != 0) {
405 wl1271_warning("forced_ps should be either 0 or 1");
409 mutex_lock(&wl->mutex);
411 if (wl->conf.conn.forced_ps == value)
414 wl->conf.conn.forced_ps = value;
416 if (wl->state == WL1271_STATE_OFF)
419 ret = wl1271_ps_elp_wakeup(wl);
423 /* In case we're already in PSM, trigger it again to switch mode
424 * immediately without waiting for re-association
427 ps_mode = value ? STATION_POWER_SAVE_MODE : STATION_AUTO_PS_MODE;
429 wl12xx_for_each_wlvif_sta(wl, wlvif) {
430 if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
431 wl1271_ps_set_mode(wl, wlvif, ps_mode);
434 wl1271_ps_elp_sleep(wl);
437 mutex_unlock(&wl->mutex);
441 static const struct file_operations forced_ps_ops = {
442 .read = forced_ps_read,
443 .write = forced_ps_write,
444 .open = wl1271_open_file_generic,
445 .llseek = default_llseek,
448 static ssize_t split_scan_timeout_read(struct file *file, char __user *user_buf,
449 size_t count, loff_t *ppos)
451 struct wl1271 *wl = file->private_data;
453 return wl1271_format_buffer(user_buf, count,
455 wl->conf.scan.split_scan_timeout / 1000);
458 static ssize_t split_scan_timeout_write(struct file *file,
459 const char __user *user_buf,
460 size_t count, loff_t *ppos)
462 struct wl1271 *wl = file->private_data;
466 ret = kstrtoul_from_user(user_buf, count, 10, &value);
468 wl1271_warning("illegal value in split_scan_timeout");
473 wl1271_info("split scan will be disabled");
475 mutex_lock(&wl->mutex);
477 wl->conf.scan.split_scan_timeout = value * 1000;
479 mutex_unlock(&wl->mutex);
483 static const struct file_operations split_scan_timeout_ops = {
484 .read = split_scan_timeout_read,
485 .write = split_scan_timeout_write,
486 .open = wl1271_open_file_generic,
487 .llseek = default_llseek,
490 static ssize_t driver_state_read(struct file *file, char __user *user_buf,
491 size_t count, loff_t *ppos)
493 struct wl1271 *wl = file->private_data;
498 #define DRIVER_STATE_BUF_LEN 1024
500 buf = kmalloc(DRIVER_STATE_BUF_LEN, GFP_KERNEL);
504 mutex_lock(&wl->mutex);
506 #define DRIVER_STATE_PRINT(x, fmt) \
507 (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
508 #x " = " fmt "\n", wl->x))
510 #define DRIVER_STATE_PRINT_LONG(x) DRIVER_STATE_PRINT(x, "%ld")
511 #define DRIVER_STATE_PRINT_INT(x) DRIVER_STATE_PRINT(x, "%d")
512 #define DRIVER_STATE_PRINT_STR(x) DRIVER_STATE_PRINT(x, "%s")
513 #define DRIVER_STATE_PRINT_LHEX(x) DRIVER_STATE_PRINT(x, "0x%lx")
514 #define DRIVER_STATE_PRINT_HEX(x) DRIVER_STATE_PRINT(x, "0x%x")
516 DRIVER_STATE_PRINT_INT(tx_blocks_available);
517 DRIVER_STATE_PRINT_INT(tx_allocated_blocks);
518 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[0]);
519 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[1]);
520 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[2]);
521 DRIVER_STATE_PRINT_INT(tx_allocated_pkts[3]);
522 DRIVER_STATE_PRINT_INT(tx_frames_cnt);
523 DRIVER_STATE_PRINT_LHEX(tx_frames_map[0]);
524 DRIVER_STATE_PRINT_INT(tx_queue_count[0]);
525 DRIVER_STATE_PRINT_INT(tx_queue_count[1]);
526 DRIVER_STATE_PRINT_INT(tx_queue_count[2]);
527 DRIVER_STATE_PRINT_INT(tx_queue_count[3]);
528 DRIVER_STATE_PRINT_INT(tx_packets_count);
529 DRIVER_STATE_PRINT_INT(tx_results_count);
530 DRIVER_STATE_PRINT_LHEX(flags);
531 DRIVER_STATE_PRINT_INT(tx_blocks_freed);
532 DRIVER_STATE_PRINT_INT(rx_counter);
533 DRIVER_STATE_PRINT_INT(state);
534 DRIVER_STATE_PRINT_INT(channel);
535 DRIVER_STATE_PRINT_INT(band);
536 DRIVER_STATE_PRINT_INT(power_level);
537 DRIVER_STATE_PRINT_INT(sg_enabled);
538 DRIVER_STATE_PRINT_INT(enable_11a);
539 DRIVER_STATE_PRINT_INT(noise);
540 DRIVER_STATE_PRINT_HEX(ap_fw_ps_map);
541 DRIVER_STATE_PRINT_LHEX(ap_ps_map);
542 DRIVER_STATE_PRINT_HEX(quirks);
543 DRIVER_STATE_PRINT_HEX(irq);
544 DRIVER_STATE_PRINT_HEX(ref_clock);
545 DRIVER_STATE_PRINT_HEX(tcxo_clock);
546 DRIVER_STATE_PRINT_HEX(hw_pg_ver);
547 DRIVER_STATE_PRINT_HEX(platform_quirks);
548 DRIVER_STATE_PRINT_HEX(chip.id);
549 DRIVER_STATE_PRINT_STR(chip.fw_ver_str);
550 DRIVER_STATE_PRINT_INT(sched_scanning);
552 #undef DRIVER_STATE_PRINT_INT
553 #undef DRIVER_STATE_PRINT_LONG
554 #undef DRIVER_STATE_PRINT_HEX
555 #undef DRIVER_STATE_PRINT_LHEX
556 #undef DRIVER_STATE_PRINT_STR
557 #undef DRIVER_STATE_PRINT
558 #undef DRIVER_STATE_BUF_LEN
560 mutex_unlock(&wl->mutex);
562 ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
567 static const struct file_operations driver_state_ops = {
568 .read = driver_state_read,
569 .open = wl1271_open_file_generic,
570 .llseek = default_llseek,
573 static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
574 size_t count, loff_t *ppos)
576 struct wl1271 *wl = file->private_data;
577 struct wl12xx_vif *wlvif;
579 const int buf_size = 4096;
583 buf = kzalloc(buf_size, GFP_KERNEL);
587 mutex_lock(&wl->mutex);
589 #define VIF_STATE_PRINT(x, fmt) \
590 (res += scnprintf(buf + res, buf_size - res, \
591 #x " = " fmt "\n", wlvif->x))
593 #define VIF_STATE_PRINT_LONG(x) VIF_STATE_PRINT(x, "%ld")
594 #define VIF_STATE_PRINT_INT(x) VIF_STATE_PRINT(x, "%d")
595 #define VIF_STATE_PRINT_STR(x) VIF_STATE_PRINT(x, "%s")
596 #define VIF_STATE_PRINT_LHEX(x) VIF_STATE_PRINT(x, "0x%lx")
597 #define VIF_STATE_PRINT_LLHEX(x) VIF_STATE_PRINT(x, "0x%llx")
598 #define VIF_STATE_PRINT_HEX(x) VIF_STATE_PRINT(x, "0x%x")
600 #define VIF_STATE_PRINT_NSTR(x, len) \
602 memset(tmp_buf, 0, sizeof(tmp_buf)); \
603 memcpy(tmp_buf, wlvif->x, \
604 min_t(u8, len, sizeof(tmp_buf) - 1)); \
605 res += scnprintf(buf + res, buf_size - res, \
606 #x " = %s\n", tmp_buf); \
609 wl12xx_for_each_wlvif(wl, wlvif) {
610 VIF_STATE_PRINT_INT(role_id);
611 VIF_STATE_PRINT_INT(bss_type);
612 VIF_STATE_PRINT_LHEX(flags);
613 VIF_STATE_PRINT_INT(p2p);
614 VIF_STATE_PRINT_INT(dev_role_id);
615 VIF_STATE_PRINT_INT(dev_hlid);
617 if (wlvif->bss_type == BSS_TYPE_STA_BSS ||
618 wlvif->bss_type == BSS_TYPE_IBSS) {
619 VIF_STATE_PRINT_INT(sta.hlid);
620 VIF_STATE_PRINT_INT(sta.ba_rx_bitmap);
621 VIF_STATE_PRINT_INT(sta.basic_rate_idx);
622 VIF_STATE_PRINT_INT(sta.ap_rate_idx);
623 VIF_STATE_PRINT_INT(sta.p2p_rate_idx);
624 VIF_STATE_PRINT_INT(sta.qos);
626 VIF_STATE_PRINT_INT(ap.global_hlid);
627 VIF_STATE_PRINT_INT(ap.bcast_hlid);
628 VIF_STATE_PRINT_LHEX(ap.sta_hlid_map[0]);
629 VIF_STATE_PRINT_INT(ap.mgmt_rate_idx);
630 VIF_STATE_PRINT_INT(ap.bcast_rate_idx);
631 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[0]);
632 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[1]);
633 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[2]);
634 VIF_STATE_PRINT_INT(ap.ucast_rate_idx[3]);
636 VIF_STATE_PRINT_INT(last_tx_hlid);
637 VIF_STATE_PRINT_LHEX(links_map[0]);
638 VIF_STATE_PRINT_NSTR(ssid, wlvif->ssid_len);
639 VIF_STATE_PRINT_INT(band);
640 VIF_STATE_PRINT_INT(channel);
641 VIF_STATE_PRINT_HEX(bitrate_masks[0]);
642 VIF_STATE_PRINT_HEX(bitrate_masks[1]);
643 VIF_STATE_PRINT_HEX(basic_rate_set);
644 VIF_STATE_PRINT_HEX(basic_rate);
645 VIF_STATE_PRINT_HEX(rate_set);
646 VIF_STATE_PRINT_INT(beacon_int);
647 VIF_STATE_PRINT_INT(default_key);
648 VIF_STATE_PRINT_INT(aid);
649 VIF_STATE_PRINT_INT(session_counter);
650 VIF_STATE_PRINT_INT(psm_entry_retry);
651 VIF_STATE_PRINT_INT(power_level);
652 VIF_STATE_PRINT_INT(rssi_thold);
653 VIF_STATE_PRINT_INT(last_rssi_event);
654 VIF_STATE_PRINT_INT(ba_support);
655 VIF_STATE_PRINT_INT(ba_allowed);
656 VIF_STATE_PRINT_LLHEX(tx_security_seq);
657 VIF_STATE_PRINT_INT(tx_security_last_seq_lsb);
660 #undef VIF_STATE_PRINT_INT
661 #undef VIF_STATE_PRINT_LONG
662 #undef VIF_STATE_PRINT_HEX
663 #undef VIF_STATE_PRINT_LHEX
664 #undef VIF_STATE_PRINT_LLHEX
665 #undef VIF_STATE_PRINT_STR
666 #undef VIF_STATE_PRINT_NSTR
667 #undef VIF_STATE_PRINT
669 mutex_unlock(&wl->mutex);
671 ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
676 static const struct file_operations vifs_state_ops = {
677 .read = vifs_state_read,
678 .open = wl1271_open_file_generic,
679 .llseek = default_llseek,
682 static ssize_t dtim_interval_read(struct file *file, char __user *user_buf,
683 size_t count, loff_t *ppos)
685 struct wl1271 *wl = file->private_data;
688 if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
689 wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
690 value = wl->conf.conn.listen_interval;
694 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
697 static ssize_t dtim_interval_write(struct file *file,
698 const char __user *user_buf,
699 size_t count, loff_t *ppos)
701 struct wl1271 *wl = file->private_data;
705 ret = kstrtoul_from_user(user_buf, count, 10, &value);
707 wl1271_warning("illegal value for dtim_interval");
711 if (value < 1 || value > 10) {
712 wl1271_warning("dtim value is not in valid range");
716 mutex_lock(&wl->mutex);
718 wl->conf.conn.listen_interval = value;
719 /* for some reason there are different event types for 1 and >1 */
721 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
723 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
726 * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
727 * take effect on the next time we enter psm.
729 mutex_unlock(&wl->mutex);
733 static const struct file_operations dtim_interval_ops = {
734 .read = dtim_interval_read,
735 .write = dtim_interval_write,
736 .open = wl1271_open_file_generic,
737 .llseek = default_llseek,
742 static ssize_t suspend_dtim_interval_read(struct file *file,
743 char __user *user_buf,
744 size_t count, loff_t *ppos)
746 struct wl1271 *wl = file->private_data;
749 if (wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
750 wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
751 value = wl->conf.conn.suspend_listen_interval;
755 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
758 static ssize_t suspend_dtim_interval_write(struct file *file,
759 const char __user *user_buf,
760 size_t count, loff_t *ppos)
762 struct wl1271 *wl = file->private_data;
766 ret = kstrtoul_from_user(user_buf, count, 10, &value);
768 wl1271_warning("illegal value for suspend_dtim_interval");
772 if (value < 1 || value > 10) {
773 wl1271_warning("suspend_dtim value is not in valid range");
777 mutex_lock(&wl->mutex);
779 wl->conf.conn.suspend_listen_interval = value;
780 /* for some reason there are different event types for 1 and >1 */
782 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
784 wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
786 mutex_unlock(&wl->mutex);
791 static const struct file_operations suspend_dtim_interval_ops = {
792 .read = suspend_dtim_interval_read,
793 .write = suspend_dtim_interval_write,
794 .open = wl1271_open_file_generic,
795 .llseek = default_llseek,
798 static ssize_t beacon_interval_read(struct file *file, char __user *user_buf,
799 size_t count, loff_t *ppos)
801 struct wl1271 *wl = file->private_data;
804 if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_BEACON ||
805 wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_BEACONS)
806 value = wl->conf.conn.listen_interval;
810 return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
813 static ssize_t beacon_interval_write(struct file *file,
814 const char __user *user_buf,
815 size_t count, loff_t *ppos)
817 struct wl1271 *wl = file->private_data;
821 ret = kstrtoul_from_user(user_buf, count, 10, &value);
823 wl1271_warning("illegal value for beacon_interval");
827 if (value < 1 || value > 255) {
828 wl1271_warning("beacon interval value is not in valid range");
832 mutex_lock(&wl->mutex);
834 wl->conf.conn.listen_interval = value;
835 /* for some reason there are different event types for 1 and >1 */
837 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_BEACON;
839 wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_BEACONS;
842 * we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
843 * take effect on the next time we enter psm.
845 mutex_unlock(&wl->mutex);
849 static const struct file_operations beacon_interval_ops = {
850 .read = beacon_interval_read,
851 .write = beacon_interval_write,
852 .open = wl1271_open_file_generic,
853 .llseek = default_llseek,
856 static ssize_t rx_streaming_interval_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_interval!");
871 /* valid values: 0, 10-100 */
872 if (value && (value < 10 || value > 100)) {
873 wl1271_warning("value is not in range!");
877 mutex_lock(&wl->mutex);
879 wl->conf.rx_streaming.interval = value;
881 ret = wl1271_ps_elp_wakeup(wl);
885 wl12xx_for_each_wlvif_sta(wl, wlvif) {
886 wl1271_recalc_rx_streaming(wl, wlvif);
889 wl1271_ps_elp_sleep(wl);
891 mutex_unlock(&wl->mutex);
895 static ssize_t rx_streaming_interval_read(struct file *file,
896 char __user *userbuf,
897 size_t count, loff_t *ppos)
899 struct wl1271 *wl = file->private_data;
900 return wl1271_format_buffer(userbuf, count, ppos,
901 "%d\n", wl->conf.rx_streaming.interval);
904 static const struct file_operations rx_streaming_interval_ops = {
905 .read = rx_streaming_interval_read,
906 .write = rx_streaming_interval_write,
907 .open = wl1271_open_file_generic,
908 .llseek = default_llseek,
911 static ssize_t rx_streaming_always_write(struct file *file,
912 const char __user *user_buf,
913 size_t count, loff_t *ppos)
915 struct wl1271 *wl = file->private_data;
916 struct wl12xx_vif *wlvif;
920 ret = kstrtoul_from_user(user_buf, count, 10, &value);
922 wl1271_warning("illegal value in rx_streaming_write!");
926 /* valid values: 0, 10-100 */
927 if (!(value == 0 || value == 1)) {
928 wl1271_warning("value is not in valid!");
932 mutex_lock(&wl->mutex);
934 wl->conf.rx_streaming.always = value;
936 ret = wl1271_ps_elp_wakeup(wl);
940 wl12xx_for_each_wlvif_sta(wl, wlvif) {
941 wl1271_recalc_rx_streaming(wl, wlvif);
944 wl1271_ps_elp_sleep(wl);
946 mutex_unlock(&wl->mutex);
950 static ssize_t rx_streaming_always_read(struct file *file,
951 char __user *userbuf,
952 size_t count, loff_t *ppos)
954 struct wl1271 *wl = file->private_data;
955 return wl1271_format_buffer(userbuf, count, ppos,
956 "%d\n", wl->conf.rx_streaming.always);
959 static const struct file_operations rx_streaming_always_ops = {
960 .read = rx_streaming_always_read,
961 .write = rx_streaming_always_write,
962 .open = wl1271_open_file_generic,
963 .llseek = default_llseek,
966 static ssize_t beacon_filtering_write(struct file *file,
967 const char __user *user_buf,
968 size_t count, loff_t *ppos)
970 struct wl1271 *wl = file->private_data;
971 struct wl12xx_vif *wlvif;
977 len = min(count, sizeof(buf) - 1);
978 if (copy_from_user(buf, user_buf, len))
982 ret = kstrtoul(buf, 0, &value);
984 wl1271_warning("illegal value for beacon_filtering!");
988 mutex_lock(&wl->mutex);
990 ret = wl1271_ps_elp_wakeup(wl);
994 wl12xx_for_each_wlvif(wl, wlvif) {
995 ret = wl1271_acx_beacon_filter_opt(wl, wlvif, !!value);
998 wl1271_ps_elp_sleep(wl);
1000 mutex_unlock(&wl->mutex);
1004 static const struct file_operations beacon_filtering_ops = {
1005 .write = beacon_filtering_write,
1006 .open = wl1271_open_file_generic,
1007 .llseek = default_llseek,
1010 static int wl1271_debugfs_add_files(struct wl1271 *wl,
1011 struct dentry *rootdir)
1014 struct dentry *entry, *stats, *streaming;
1016 stats = debugfs_create_dir("fw-statistics", rootdir);
1017 if (!stats || IS_ERR(stats)) {
1022 DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
1024 DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
1025 DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
1026 DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
1027 DEBUGFS_FWSTATS_ADD(rx, dropped);
1028 DEBUGFS_FWSTATS_ADD(rx, fcs_err);
1029 DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
1030 DEBUGFS_FWSTATS_ADD(rx, path_reset);
1031 DEBUGFS_FWSTATS_ADD(rx, reset_counter);
1033 DEBUGFS_FWSTATS_ADD(dma, rx_requested);
1034 DEBUGFS_FWSTATS_ADD(dma, rx_errors);
1035 DEBUGFS_FWSTATS_ADD(dma, tx_requested);
1036 DEBUGFS_FWSTATS_ADD(dma, tx_errors);
1038 DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
1039 DEBUGFS_FWSTATS_ADD(isr, fiqs);
1040 DEBUGFS_FWSTATS_ADD(isr, rx_headers);
1041 DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
1042 DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
1043 DEBUGFS_FWSTATS_ADD(isr, irqs);
1044 DEBUGFS_FWSTATS_ADD(isr, tx_procs);
1045 DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
1046 DEBUGFS_FWSTATS_ADD(isr, dma0_done);
1047 DEBUGFS_FWSTATS_ADD(isr, dma1_done);
1048 DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
1049 DEBUGFS_FWSTATS_ADD(isr, commands);
1050 DEBUGFS_FWSTATS_ADD(isr, rx_procs);
1051 DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
1052 DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
1053 DEBUGFS_FWSTATS_ADD(isr, pci_pm);
1054 DEBUGFS_FWSTATS_ADD(isr, wakeups);
1055 DEBUGFS_FWSTATS_ADD(isr, low_rssi);
1057 DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
1058 DEBUGFS_FWSTATS_ADD(wep, default_key_count);
1059 /* skipping wep.reserved */
1060 DEBUGFS_FWSTATS_ADD(wep, key_not_found);
1061 DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
1062 DEBUGFS_FWSTATS_ADD(wep, packets);
1063 DEBUGFS_FWSTATS_ADD(wep, interrupt);
1065 DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
1066 DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
1067 DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
1068 DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
1069 DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
1070 DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
1071 DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
1072 DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
1073 DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
1074 DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
1075 DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
1076 DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
1077 /* skipping cont_miss_bcns_spread for now */
1078 DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
1080 DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
1081 DEBUGFS_FWSTATS_ADD(mic, calc_failure);
1083 DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
1084 DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
1085 DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
1086 DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
1087 DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
1088 DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
1090 DEBUGFS_FWSTATS_ADD(event, heart_beat);
1091 DEBUGFS_FWSTATS_ADD(event, calibration);
1092 DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
1093 DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
1094 DEBUGFS_FWSTATS_ADD(event, rx_pool);
1095 DEBUGFS_FWSTATS_ADD(event, oom_late);
1096 DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
1097 DEBUGFS_FWSTATS_ADD(event, tx_stuck);
1099 DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
1100 DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
1101 DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
1102 DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
1103 DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
1104 DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
1105 DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
1107 DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
1108 DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
1109 DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
1110 DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
1111 DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
1113 DEBUGFS_ADD(tx_queue_len, rootdir);
1114 DEBUGFS_ADD(retry_count, rootdir);
1115 DEBUGFS_ADD(excessive_retries, rootdir);
1117 DEBUGFS_ADD(gpio_power, rootdir);
1118 DEBUGFS_ADD(start_recovery, rootdir);
1119 DEBUGFS_ADD(driver_state, rootdir);
1120 DEBUGFS_ADD(vifs_state, rootdir);
1121 DEBUGFS_ADD(dtim_interval, rootdir);
1122 DEBUGFS_ADD(suspend_dtim_interval, rootdir);
1123 DEBUGFS_ADD(beacon_interval, rootdir);
1124 DEBUGFS_ADD(beacon_filtering, rootdir);
1125 DEBUGFS_ADD(dynamic_ps_timeout, rootdir);
1126 DEBUGFS_ADD(forced_ps, rootdir);
1127 DEBUGFS_ADD(split_scan_timeout, rootdir);
1129 streaming = debugfs_create_dir("rx_streaming", rootdir);
1130 if (!streaming || IS_ERR(streaming))
1133 DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming);
1134 DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming);
1141 ret = PTR_ERR(entry);
1148 void wl1271_debugfs_reset(struct wl1271 *wl)
1150 if (!wl->stats.fw_stats)
1153 memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
1154 wl->stats.retry_count = 0;
1155 wl->stats.excessive_retries = 0;
1158 int wl1271_debugfs_init(struct wl1271 *wl)
1161 struct dentry *rootdir;
1163 rootdir = debugfs_create_dir(KBUILD_MODNAME,
1164 wl->hw->wiphy->debugfsdir);
1166 if (IS_ERR(rootdir)) {
1167 ret = PTR_ERR(rootdir);
1171 wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
1174 if (!wl->stats.fw_stats) {
1179 wl->stats.fw_stats_update = jiffies;
1181 ret = wl1271_debugfs_add_files(wl, rootdir);
1189 kfree(wl->stats.fw_stats);
1190 wl->stats.fw_stats = NULL;
1193 debugfs_remove_recursive(rootdir);
1199 void wl1271_debugfs_exit(struct wl1271 *wl)
1201 kfree(wl->stats.fw_stats);
1202 wl->stats.fw_stats = NULL;