tun: export skb_array

[mirror_ubuntu-bionic-kernel.git] / drivers / net / tun.c

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index bbd707b9ef7a6a305804ed0d56c3fc0e1db7d565..3cbfc5c707e3b1e7db78cfb645d161af260615f9 100644 (file)
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -2626,6 +2626,19 @@ struct socket *tun_get_socket(struct file *file)
 }
 EXPORT_SYMBOL_GPL(tun_get_socket);
 
+struct skb_array *tun_get_skb_array(struct file *file)
+{
+       struct tun_file *tfile;
+
+       if (file->f_op != &tun_fops)
+               return ERR_PTR(-EINVAL);
+       tfile = file->private_data;
+       if (!tfile)
+               return ERR_PTR(-EBADFD);
+       return &tfile->tx_array;
+}
+EXPORT_SYMBOL_GPL(tun_get_skb_array);
+
 module_init(tun_init);
 module_exit(tun_cleanup);
 MODULE_DESCRIPTION(DRV_DESCRIPTION);