diff options
| author | Louie Lu <git@louie.lu> | 2018-09-06 11:53:26 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2018-10-01 17:05:46 +0300 |
| commit | 3fa8d2186550e5c8ad209087dc856a5f35fd4d26 (patch) | |
| tree | 7ba7a5a154b076d68e9edab1e3ca814316b32687 /drivers/net/wireless/ath/ath9k | |
| parent | 393b9b0f830efc21c26a4ef9a9ce4d517eb98463 (diff) | |
| download | blackbird-op-linux-3fa8d2186550e5c8ad209087dc856a5f35fd4d26.tar.gz blackbird-op-linux-3fa8d2186550e5c8ad209087dc856a5f35fd4d26.zip | |
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: Louie Lu <git@louie.lu>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug_sta.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug_sta.c b/drivers/net/wireless/ath/ath9k/debug_sta.c index ed8b77a74630..e8fcd3e1c470 100644 --- a/drivers/net/wireless/ath/ath9k/debug_sta.c +++ b/drivers/net/wireless/ath/ath9k/debug_sta.c @@ -286,9 +286,25 @@ static ssize_t read_airtime(struct file *file, char __user *user_buf, 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 = { .read = read_airtime, + .write = write_airtime_reset_stub, .open = simple_open, .owner = THIS_MODULE, .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_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); } |
