diff options
Diffstat (limited to 'net/mac80211/debugfs.c')
| -rw-r--r-- | net/mac80211/debugfs.c | 25 |
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); |