| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * u_rndis.h |
| * |
| * Utility definitions for the subset function |
| * |
| * Copyright (c) 2013 Samsung Electronics Co., Ltd. |
| * http://www.samsung.com |
| * |
| * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> |
| */ |
| |
| #ifndef U_RNDIS_H |
| #define U_RNDIS_H |
| |
| #include <linux/usb/composite.h> |
| |
| /** |
| * struct f_rndis_opts - RNDIS function options |
| * @func_inst: USB function instance. |
| * @vendor_id: Vendor ID. |
| * @manufacturer: Manufacturer string. |
| * @net: The net_device associated with the RNDIS function. |
| * @bind_count: Tracks the number of configurations the RNDIS function is |
| * bound to, preventing double-registration of the @net device. |
| * @borrowed_net: True if the net_device is shared and pre-registered during |
| * the legacy composite driver's bind phase (e.g., multi.c). |
| * If false, the RNDIS function will register the net_device |
| * during its own bind phase. |
| * @rndis_interf_group: ConfigFS group for RNDIS interface. |
| * @rndis_os_desc: USB OS descriptor for RNDIS. |
| * @rndis_ext_compat_id: Extended compatibility ID. |
| * @class: USB class. |
| * @subclass: USB subclass. |
| * @protocol: USB protocol. |
| * @lock: Protects the data from concurrent access by configfs read/write |
| * and create symlink/remove symlink operations. |
| * @refcnt: Reference counter for the function instance. |
| */ |
| struct f_rndis_opts { |
| struct usb_function_instance func_inst; |
| u32 vendor_id; |
| const char *manufacturer; |
| struct net_device *net; |
| int bind_count; |
| bool borrowed_net; |
| |
| struct config_group *rndis_interf_group; |
| struct usb_os_desc rndis_os_desc; |
| char rndis_ext_compat_id[16]; |
| |
| u8 class; |
| u8 subclass; |
| u8 protocol; |
| struct mutex lock; |
| int refcnt; |
| }; |
| |
| void rndis_borrow_net(struct usb_function_instance *f, struct net_device *net); |
| |
| #endif /* U_RNDIS_H */ |
