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-rw-r--r--kernel/include/linux/if_tun.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/kernel/include/linux/if_tun.h b/kernel/include/linux/if_tun.h
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index 000000000..ed6da2e6d
--- /dev/null
+++ b/kernel/include/linux/if_tun.h
@@ -0,0 +1,32 @@
+/*
+ * Universal TUN/TAP device driver.
+ * Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ */
+#ifndef __IF_TUN_H
+#define __IF_TUN_H
+
+#include <uapi/linux/if_tun.h>
+
+#if defined(CONFIG_TUN) || defined(CONFIG_TUN_MODULE)
+struct socket *tun_get_socket(struct file *);
+#else
+#include <linux/err.h>
+#include <linux/errno.h>
+struct file;
+struct socket;
+static inline struct socket *tun_get_socket(struct file *f)
+{
+ return ERR_PTR(-EINVAL);
+}
+#endif /* CONFIG_TUN */
+#endif /* __IF_TUN_H */