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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>
This commit is contained in:
Zefir Kurtisi 2013-04-03 18:31:30 +02:00 committed by John W. Linville
parent e9cdedf693
commit e39282ee1b
1 changed files with 20 additions and 0 deletions
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20
drivers/net/wireless/ath/ath9k/dfs_debug.c
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@ -105,6 +105,24 @@ static ssize_t write_file_dfs(struct file *file, const char __user *user_buf,
return count; 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 = { static const struct file_operations fops_dfs_stats = {
.read = read_file_dfs, .read = read_file_dfs,
.write = write_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, debugfs_create_file("dfs_stats", S_IRUSR,
sc->debug.debugfs_phy, sc, &fops_dfs_stats); sc->debug.debugfs_phy, sc, &fops_dfs_stats);
debugfs_create_file("dfs_simulate_radar", S_IWUSR,
sc->debug.debugfs_phy, sc, &fops_simulate_radar);
} }