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authorAlexander Aring <alex.aring@gmail.com>2015-12-09 22:46:30 +0100
committerMarcel Holtmann <marcel@holtmann.org>2015-12-10 01:25:25 +0100
commitb1815fd949e5bd06d118019acf68f87c9414f705 (patch)
tree5c3964d3a3020cbc75a1184834af8a0cda56a90e /net/6lowpan/debugfs.c
parent00f59314111a6b18ee65b238b38c470dbdbf3be5 (diff)
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6lowpan: add debugfs support
This patch will introduce a 6lowpan entry into the debugfs if enabled. Inside this 6lowpan directory we create a subdirectories of all 6lowpan interfaces to offer a per interface debugfs support. Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com> Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/6lowpan/debugfs.c')
-rw-r--r--net/6lowpan/debugfs.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/net/6lowpan/debugfs.c b/net/6lowpan/debugfs.c
new file mode 100644
index 000000000000..88eef84df0fc
--- /dev/null
+++ b/net/6lowpan/debugfs.c
@@ -0,0 +1,53 @@
+/* This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Authors:
+ * (C) 2015 Pengutronix, Alexander Aring <aar@pengutronix.de>
+ * Copyright (c) 2015 Nordic Semiconductor. All Rights Reserved.
+ */
+
+#include <net/6lowpan.h>
+
+#include "6lowpan_i.h"
+
+static struct dentry *lowpan_debugfs;
+
+int lowpan_dev_debugfs_init(struct net_device *dev)
+{
+ struct lowpan_priv *lpriv = lowpan_priv(dev);
+
+ /* creating the root */
+ lpriv->iface_debugfs = debugfs_create_dir(dev->name, lowpan_debugfs);
+ if (!lpriv->iface_debugfs)
+ goto fail;
+
+ return 0;
+
+fail:
+ return -EINVAL;
+}
+
+void lowpan_dev_debugfs_exit(struct net_device *dev)
+{
+ debugfs_remove_recursive(lowpan_priv(dev)->iface_debugfs);
+}
+
+int __init lowpan_debugfs_init(void)
+{
+ lowpan_debugfs = debugfs_create_dir("6lowpan", NULL);
+ if (!lowpan_debugfs)
+ return -EINVAL;
+
+ return 0;
+}
+
+void lowpan_debugfs_exit(void)
+{
+ debugfs_remove_recursive(lowpan_debugfs);
+}