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Diffstat (limited to 'net/mac80211/debugfs_netdev.c')
-rw-r--r--net/mac80211/debugfs_netdev.c33
1 files changed, 31 insertions, 2 deletions
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 0ad3860852ff..db724fc10a5f 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -57,7 +57,6 @@ static ssize_t ieee80211_if_write(
return -EFAULT;
buf[count] = '\0';
- ret = -ENODEV;
rtnl_lock();
ret = (*write)(sdata, buf, count);
rtnl_unlock();
@@ -513,6 +512,34 @@ static ssize_t ieee80211_if_fmt_aqm(
}
IEEE80211_IF_FILE_R(aqm);
+static ssize_t ieee80211_if_fmt_airtime(
+ const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_txq *txq = sdata->vif.txq;
+ struct airtime_info *air_info;
+ int len;
+
+ if (!txq)
+ return 0;
+
+ spin_lock_bh(&local->airtime[txq->ac].lock);
+ air_info = to_airtime_info(txq);
+ len = scnprintf(buf,
+ buflen,
+ "RX: %llu us\nTX: %llu us\nWeight: %u\n"
+ "Virt-T: %lld us\n",
+ air_info->rx_airtime,
+ air_info->tx_airtime,
+ air_info->weight,
+ air_info->v_t);
+ spin_unlock_bh(&local->airtime[txq->ac].lock);
+
+ return len;
+}
+
+IEEE80211_IF_FILE_R(airtime);
+
IEEE80211_IF_FILE(multicast_to_unicast, u.ap.multicast_to_unicast, HEX);
/* IBSS attributes */
@@ -658,8 +685,10 @@ static void add_common_files(struct ieee80211_sub_if_data *sdata)
if (sdata->local->ops->wake_tx_queue &&
sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE &&
- sdata->vif.type != NL80211_IFTYPE_NAN)
+ sdata->vif.type != NL80211_IFTYPE_NAN) {
DEBUGFS_ADD(aqm);
+ DEBUGFS_ADD(airtime);
+ }
}
static void add_sta_files(struct ieee80211_sub_if_data *sdata)