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Diffstat (limited to 'net/mac80211/debugfs.c')
-rw-r--r--net/mac80211/debugfs.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 11c72311f35b..6c439cd5ccea 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -163,6 +163,29 @@ static const struct file_operations noack_ops = {
.open = mac80211_open_file_generic
};
+static ssize_t queues_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_local *local = file->private_data;
+ unsigned long flags;
+ char buf[IEEE80211_MAX_QUEUES * 20];
+ int q, res = 0;
+
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+ for (q = 0; q < local->hw.queues; q++)
+ res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q,
+ local->queue_stop_reasons[q],
+ __netif_subqueue_stopped(local->mdev, q));
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, res);
+}
+
+static const struct file_operations queues_ops = {
+ .read = queues_read,
+ .open = mac80211_open_file_generic
+};
+
/* statistics stuff */
#define DEBUGFS_STATS_FILE(name, buflen, fmt, value...) \
@@ -298,6 +321,7 @@ void debugfs_hw_add(struct ieee80211_local *local)
DEBUGFS_ADD(total_ps_buffered);
DEBUGFS_ADD(wep_iv);
DEBUGFS_ADD(tsf);
+ DEBUGFS_ADD(queues);
DEBUGFS_ADD_MODE(reset, 0200);
DEBUGFS_ADD(noack);
@@ -350,6 +374,7 @@ void debugfs_hw_del(struct ieee80211_local *local)
DEBUGFS_DEL(total_ps_buffered);
DEBUGFS_DEL(wep_iv);
DEBUGFS_DEL(tsf);
+ DEBUGFS_DEL(queues);
DEBUGFS_DEL(reset);
DEBUGFS_DEL(noack);