summaryrefslogtreecommitdiffstats
path: root/drivers/usb/gadget/function/u_ecm.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/gadget/function/u_ecm.h')
-rw-r--r--drivers/usb/gadget/function/u_ecm.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/u_ecm.h b/drivers/usb/gadget/function/u_ecm.h
new file mode 100644
index 000000000..77cfb8993
--- /dev/null
+++ b/drivers/usb/gadget/function/u_ecm.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * u_ecm.h
+ *
+ * Utility definitions for the ecm function
+ *
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
+ */
+
+#ifndef U_ECM_H
+#define U_ECM_H
+
+#include <linux/usb/composite.h>
+
+struct f_ecm_opts {
+ struct usb_function_instance func_inst;
+ struct net_device *net;
+ bool bound;
+
+ /*
+ * Read/write access to configfs attributes is handled by configfs.
+ *
+ * This is to protect the data from concurrent access by read/write
+ * and create symlink/remove symlink.
+ */
+ struct mutex lock;
+ int refcnt;
+};
+
+#endif /* U_ECM_H */