diff options
author | Eyal Shapira <eyal@wizery.com> | 2012-01-31 04:57:22 -0500 |
---|---|---|
committer | Luciano Coelho <coelho@ti.com> | 2012-02-15 01:38:31 -0500 |
commit | 1faff895df6a5213ee16a241951dc79c7ec5b5cb (patch) | |
tree | 1abd0438084cc7493f6a28f68491aa370193c86c /drivers/net/wireless/wl12xx/debugfs.c | |
parent | f1d63a59635feef3481ed1972a883a5d6be7f9bb (diff) |
wl12xx: add dynamic_ps_timeout debugfs file
Enable read/write of dynamic_ps_timeout which controls the timeout
of the dynamic PS implemented in the FW.
dynamic_ps_timeout is the timeout (in msec) until going back to PS
when there's no Rx/Tx
Signed-off-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/debugfs.c')
-rw-r--r-- | drivers/net/wireless/wl12xx/debugfs.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c index 5e96e059f2b5..156a7741df34 100644 --- a/drivers/net/wireless/wl12xx/debugfs.c +++ b/drivers/net/wireless/wl12xx/debugfs.c | |||
@@ -312,6 +312,72 @@ static const struct file_operations start_recovery_ops = { | |||
312 | .llseek = default_llseek, | 312 | .llseek = default_llseek, |
313 | }; | 313 | }; |
314 | 314 | ||
315 | static ssize_t dynamic_ps_timeout_read(struct file *file, char __user *user_buf, | ||
316 | size_t count, loff_t *ppos) | ||
317 | { | ||
318 | struct wl1271 *wl = file->private_data; | ||
319 | |||
320 | return wl1271_format_buffer(user_buf, count, | ||
321 | ppos, "%d\n", | ||
322 | wl->conf.conn.dynamic_ps_timeout); | ||
323 | } | ||
324 | |||
325 | static ssize_t dynamic_ps_timeout_write(struct file *file, | ||
326 | const char __user *user_buf, | ||
327 | size_t count, loff_t *ppos) | ||
328 | { | ||
329 | struct wl1271 *wl = file->private_data; | ||
330 | struct wl12xx_vif *wlvif; | ||
331 | unsigned long value; | ||
332 | int ret; | ||
333 | |||
334 | ret = kstrtoul_from_user(user_buf, count, 10, &value); | ||
335 | if (ret < 0) { | ||
336 | wl1271_warning("illegal value in dynamic_ps"); | ||
337 | return -EINVAL; | ||
338 | } | ||
339 | |||
340 | if (value < 1 || value > 65535) { | ||
341 | wl1271_warning("dyanmic_ps_timeout is not in valid range"); | ||
342 | return -ERANGE; | ||
343 | } | ||
344 | |||
345 | mutex_lock(&wl->mutex); | ||
346 | |||
347 | wl->conf.conn.dynamic_ps_timeout = value; | ||
348 | |||
349 | if (wl->state == WL1271_STATE_OFF) | ||
350 | goto out; | ||
351 | |||
352 | ret = wl1271_ps_elp_wakeup(wl); | ||
353 | if (ret < 0) | ||
354 | goto out; | ||
355 | |||
356 | /* In case we're already in PSM, trigger it again to set new timeout | ||
357 | * immediately without waiting for re-association | ||
358 | */ | ||
359 | |||
360 | wl12xx_for_each_wlvif_sta(wl, wlvif) { | ||
361 | if (test_bit(WLVIF_FLAG_PSM, &wlvif->flags)) | ||
362 | wl1271_ps_set_mode(wl, wlvif, STATION_AUTO_PS_MODE, | ||
363 | wlvif->basic_rate, true); | ||
364 | |||
365 | } | ||
366 | |||
367 | wl1271_ps_elp_sleep(wl); | ||
368 | |||
369 | out: | ||
370 | mutex_unlock(&wl->mutex); | ||
371 | return count; | ||
372 | } | ||
373 | |||
374 | static const struct file_operations dynamic_ps_timeout_ops = { | ||
375 | .read = dynamic_ps_timeout_read, | ||
376 | .write = dynamic_ps_timeout_write, | ||
377 | .open = wl1271_open_file_generic, | ||
378 | .llseek = default_llseek, | ||
379 | }; | ||
380 | |||
315 | static ssize_t driver_state_read(struct file *file, char __user *user_buf, | 381 | static ssize_t driver_state_read(struct file *file, char __user *user_buf, |
316 | size_t count, loff_t *ppos) | 382 | size_t count, loff_t *ppos) |
317 | { | 383 | { |
@@ -887,6 +953,7 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl, | |||
887 | DEBUGFS_ADD(dtim_interval, rootdir); | 953 | DEBUGFS_ADD(dtim_interval, rootdir); |
888 | DEBUGFS_ADD(beacon_interval, rootdir); | 954 | DEBUGFS_ADD(beacon_interval, rootdir); |
889 | DEBUGFS_ADD(beacon_filtering, rootdir); | 955 | DEBUGFS_ADD(beacon_filtering, rootdir); |
956 | DEBUGFS_ADD(dynamic_ps_timeout, rootdir); | ||
890 | 957 | ||
891 | streaming = debugfs_create_dir("rx_streaming", rootdir); | 958 | streaming = debugfs_create_dir("rx_streaming", rootdir); |
892 | if (!streaming || IS_ERR(streaming)) | 959 | if (!streaming || IS_ERR(streaming)) |