From e39282ee1b0f639fd9eebd3547803f1694e8c370 Mon Sep 17 00:00:00 2001 From: Zefir Kurtisi Date: Wed, 3 Apr 2013 18:31:30 +0200 Subject: [PATCH] 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 Signed-off-by: Zefir Kurtisi Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/dfs_debug.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/dfs_debug.c b/drivers/net/wireless/ath/ath9k/dfs_debug.c index 55d28072adeb..b7611b7bbe43 100644 --- a/drivers/net/wireless/ath/ath9k/dfs_debug.c +++ b/drivers/net/wireless/ath/ath9k/dfs_debug.c @@ -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); } -- 2.20.1