ath9k: add debugfs based DFS radar simulation
This helps testing DFS without radar generating
equipment and is required for certification.
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Zefir Kurtisi <zefir.kurtisi@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/dfs_debug.c b/drivers/net/wireless/ath/ath9k/dfs_debug.c
index 55d2807..b7611b7 100644
--- a/drivers/net/wireless/ath/ath9k/dfs_debug.c
+++ b/drivers/net/wireless/ath/ath9k/dfs_debug.c
@@ -105,6 +105,24 @@
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 @@
{
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);
}