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Commit 8cf77e17 authored by Eliad Peller's avatar Eliad Peller Committed by Kalle Valo
Browse files

wlcore/wl18xx: add radar_debug_mode handling 



Add debugfs key (under CFG80211_CERTIFICATION_ONUS
configuration) to set/clear radar_debug_mode.
In this mode, the driver simply ignores radar
events (but prints them).

The fw is notified about this mode through
a special generic_cfg_feature command.

This mode is relevant only for ap mode. look for
it when initializing ap vif.

Signed-off-by: default avatarEliad Peller <eliad@wizery.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 87cba169

drivers/net/wireless/ti/wl18xx/debugfs.c

+66 −0
Original line number Diff line number Diff line
@@ -345,6 +345,69 @@ static const struct file_operations dynamic_fw_traces_ops = { 
	.llseek = default_llseek,

};



#ifdef CONFIG_CFG80211_CERTIFICATION_ONUS

static ssize_t radar_debug_mode_write(struct file *file,

				      const char __user *user_buf,

				      size_t count, loff_t *ppos)

{

	struct wl1271 *wl = file->private_data;

	struct wl12xx_vif *wlvif;

	unsigned long value;

	int ret;



	ret = kstrtoul_from_user(user_buf, count, 10, &value);

	if (ret < 0) {

		wl1271_warning("illegal radar_debug_mode value!");

		return -EINVAL;

	}



	/* valid values: 0/1 */

	if (!(value == 0 || value == 1)) {

		wl1271_warning("value is not in valid!");

		return -EINVAL;

	}



	mutex_lock(&wl->mutex);



	wl->radar_debug_mode = value;



	if (unlikely(wl->state != WLCORE_STATE_ON))

		goto out;



	ret = wl1271_ps_elp_wakeup(wl);

	if (ret < 0)

		goto out;



	wl12xx_for_each_wlvif_ap(wl, wlvif) {

		wlcore_cmd_generic_cfg(wl, wlvif,

				       WLCORE_CFG_FEATURE_RADAR_DEBUG,

				       wl->radar_debug_mode, 0);

	}



	wl1271_ps_elp_sleep(wl);

out:

	mutex_unlock(&wl->mutex);

	return count;

}



static ssize_t radar_debug_mode_read(struct file *file,

				     char __user *userbuf,

				     size_t count, loff_t *ppos)

{

	struct wl1271 *wl = file->private_data;



	return wl1271_format_buffer(userbuf, count, ppos,

				    "%d\n", wl->radar_debug_mode);

}



static const struct file_operations radar_debug_mode_ops = {

	.write = radar_debug_mode_write,

	.read = radar_debug_mode_read,

	.open = simple_open,

	.llseek = default_llseek,

};

#endif /* CFG80211_CERTIFICATION_ONUS */



int wl18xx_debugfs_add_files(struct wl1271 *wl,

			     struct dentry *rootdir)

{
@@ -510,6 +573,9 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, 


	DEBUGFS_ADD(conf, moddir);

	DEBUGFS_ADD(radar_detection, moddir);

#ifdef CONFIG_CFG80211_CERTIFICATION_ONUS

	DEBUGFS_ADD(radar_debug_mode, moddir);

#endif

	DEBUGFS_ADD(dynamic_fw_traces, moddir);



	return 0;

drivers/net/wireless/ti/wl18xx/event.c

+2 −1
Original line number Diff line number Diff line
@@ -146,6 +146,7 @@ int wl18xx_process_mailbox_events(struct wl1271 *wl) 
			    mbox->radar_channel,

			    wl18xx_radar_type_decode(mbox->radar_type));



		if (!wl->radar_debug_mode)

			ieee80211_radar_detected(wl->hw);

	}

drivers/net/wireless/ti/wlcore/init.c

+5 −0
Original line number Diff line number Diff line
@@ -558,6 +558,11 @@ static int wl12xx_init_ap_role(struct wl1271 *wl, struct wl12xx_vif *wlvif) 
	if (ret < 0)

		return ret;



	if (wl->radar_debug_mode)

		wlcore_cmd_generic_cfg(wl, wlvif,

				       WLCORE_CFG_FEATURE_RADAR_DEBUG,

				       wl->radar_debug_mode, 0);



	return 0;

}

drivers/net/wireless/ti/wlcore/wlcore.h

+1 −0
Original line number Diff line number Diff line
@@ -463,6 +463,7 @@ struct wl1271 { 


	/* the current dfs region */

	enum nl80211_dfs_regions dfs_region;

	bool radar_debug_mode;



	/* size of the private FW status data */

	size_t fw_status_len;