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Commit 3fa8d218 authored by Louie Lu's avatar Louie Lu Committed by Kalle Valo
Browse files

ath9k: add reset for airtime station debugfs 



Let user can reset station airtime status by debugfs, it will
reset all airtime deficit to ATH_AIRTIME_QUANTUM and reset rx/tx
airtime accumulate to 0.

Signed-off-by: default avatarLouie Lu <git@louie.lu>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 393b9b0f

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

+17 −1
Original line number Original line Diff line number Diff line
@@ -286,9 +286,25 @@ static ssize_t read_airtime(struct file *file, char __user *user_buf, 
	return retval;

	return retval;

}

}





static ssize_t

write_airtime_reset_stub(struct file *file, const char __user *ubuf,

		   size_t count, loff_t *ppos)

{

	struct ath_node *an = file->private_data;

	struct ath_airtime_stats *astats;

	int i;



	astats = &an->airtime_stats;

	astats->rx_airtime = 0;

	astats->tx_airtime = 0;

	for (i = 0; i < 4; i++)

		an->airtime_deficit[i] = ATH_AIRTIME_QUANTUM;

	return count;

}





static const struct file_operations fops_airtime = {

static const struct file_operations fops_airtime = {

	.read = read_airtime,

	.read = read_airtime,

	.write = write_airtime_reset_stub,

	.open = simple_open,

	.open = simple_open,

	.owner = THIS_MODULE,

	.owner = THIS_MODULE,

	.llseek = default_llseek,

	.llseek = default_llseek,
@@ -304,5 +320,5 @@ void ath9k_sta_add_debugfs(struct ieee80211_hw *hw, 




	debugfs_create_file("node_aggr", 0444, dir, an, &fops_node_aggr);

	debugfs_create_file("node_aggr", 0444, dir, an, &fops_node_aggr);

	debugfs_create_file("node_recv", 0444, dir, an, &fops_node_recv);

	debugfs_create_file("node_recv", 0444, dir, an, &fops_node_recv);

	debugfs_create_file("airtime", 0444, dir, an, &fops_airtime);

	debugfs_create_file("airtime", 0644, dir, an, &fops_airtime);

}
 
}