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Commit e39282ee authored by Zefir Kurtisi's avatar Zefir Kurtisi Committed by John W. Linville
Browse files

ath9k: add debugfs based DFS radar simulation 



This helps testing DFS without radar generating
equipment and is required for certification.

Signed-off-by: default avatarSimon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: default avatarZefir Kurtisi <zefir.kurtisi@neratec.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent e9cdedf6

drivers/net/wireless/ath/ath9k/dfs_debug.c

+20 −0
Original line number Diff line number Diff line
@@ -105,6 +105,24 @@ static ssize_t write_file_dfs(struct file *file, const char __user *user_buf, 
	return count;

}



static ssize_t write_file_simulate_radar(struct file *file,

					 const char __user *user_buf,

					 size_t count, loff_t *ppos)

{

	struct ath_softc *sc = file->private_data;



	ieee80211_radar_detected(sc->hw);



	return count;

}



static const struct file_operations fops_simulate_radar = {

	.write = write_file_simulate_radar,

	.open = simple_open,

	.owner = THIS_MODULE,

	.llseek = default_llseek,

};



static const struct file_operations fops_dfs_stats = {

	.read = read_file_dfs,

	.write = write_file_dfs,
@@ -117,4 +135,6 @@ void ath9k_dfs_init_debug(struct ath_softc *sc) 
{

	debugfs_create_file("dfs_stats", S_IRUSR,

			    sc->debug.debugfs_phy, sc, &fops_dfs_stats);

	debugfs_create_file("dfs_simulate_radar", S_IWUSR,

			    sc->debug.debugfs_phy, sc, &fops_simulate_radar);

}