diff options
Diffstat (limited to 'net/mac80211/debugfs_sta.c')
| -rw-r--r-- | net/mac80211/debugfs_sta.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index b15412c21ac9..40dba446836f 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -188,6 +188,32 @@ static ssize_t sta_aqm_read(struct file *file, char __user *userbuf, } STA_OPS(aqm); +static ssize_t sta_airtime_read(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct sta_info *sta = file->private_data; + size_t bufsz = 200; + char *buf = kzalloc(bufsz, GFP_KERNEL), *p = buf; + ssize_t rv; + + if (!buf) + return -ENOMEM; + + spin_lock_bh(&sta->lock); + + p += scnprintf(p, bufsz + buf - p, + "RX: %llu us\nTX: %llu us\nDeficit: %lld us\n", + sta->airtime_stats.rx_airtime, + sta->airtime_stats.tx_airtime, + sta->airtime_deficit); + + spin_unlock_bh(&sta->lock); + rv = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf); + kfree(buf); + return rv; +} +STA_OPS(airtime); + static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { @@ -542,6 +568,9 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta) if (local->ops->wake_tx_queue) DEBUGFS_ADD(aqm); + if (ieee80211_hw_check(&local->hw, AIRTIME_ACCOUNTING)) + DEBUGFS_ADD(airtime); + if (sizeof(sta->driver_buffered_tids) == sizeof(u32)) debugfs_create_x32("driver_buffered_tids", 0400, sta->debugfs_dir, |