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Commit a0a52156 authored by Eliad Peller's avatar Eliad Peller Committed by Luciano Coelho
Browse files

wl12xx: add beacon_filtering debugfs file 



Allow enabling/disabling beacon_filtering by debugfs,
in order to reduce the log size while debugging (beacon
filtering is disabled by default in AP mode, as beacons
are needed for ERP configuration).

Signed-off-by: default avatarEliad Peller <eliad@wizery.com>
Signed-off-by: default avatarLuciano Coelho <coelho@ti.com>
parent 2a5bff09

drivers/net/wireless/wl12xx/debugfs.c

+42 −0
Original line number Diff line number Diff line
@@ -655,6 +655,47 @@ static const struct file_operations rx_streaming_always_ops = { 
	.llseek = default_llseek,

};



static ssize_t beacon_filtering_write(struct file *file,

				      const char __user *user_buf,

				      size_t count, loff_t *ppos)

{

	struct wl1271 *wl = file->private_data;

	char buf[10];

	size_t len;

	unsigned long value;

	int ret;



	len = min(count, sizeof(buf) - 1);

	if (copy_from_user(buf, user_buf, len))

		return -EFAULT;

	buf[len] = '\0';



	ret = kstrtoul(buf, 0, &value);

	if (ret < 0) {

		wl1271_warning("illegal value for beacon_filtering!");

		return -EINVAL;

	}



	mutex_lock(&wl->mutex);



	ret = wl1271_ps_elp_wakeup(wl);

	if (ret < 0)

		goto out;



	ret = wl1271_acx_beacon_filter_opt(wl, !!value);



	wl1271_ps_elp_sleep(wl);

out:

	mutex_unlock(&wl->mutex);

	return count;

}



static const struct file_operations beacon_filtering_ops = {

	.write = beacon_filtering_write,

	.open = wl1271_open_file_generic,

	.llseek = default_llseek,

};



static int wl1271_debugfs_add_files(struct wl1271 *wl,

				     struct dentry *rootdir)

{
@@ -767,6 +808,7 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl, 
	DEBUGFS_ADD(driver_state, rootdir);

	DEBUGFS_ADD(dtim_interval, rootdir);

	DEBUGFS_ADD(beacon_interval, rootdir);

	DEBUGFS_ADD(beacon_filtering, rootdir);



	streaming = debugfs_create_dir("rx_streaming", rootdir);

	if (!streaming || IS_ERR(streaming))