mac80211: add queue debugfs file (db2e6bd4) · Commits · 戴 / test

net/mac80211/debugfs.c

+25 −0

Original line number	Diff line number	Diff line
		@@ -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);

+1 −0

Original line number	Diff line number	Diff line
		@@ -783,6 +783,7 @@ struct ieee80211_local {
		struct dentry *total_ps_buffered;
		struct dentry *wep_iv;
		struct dentry *tsf;
		struct dentry *queues;
		struct dentry *reset;
		struct dentry *noack;
		struct dentry *statistics;