cdc.h

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * USB CDC common helpers
 4 *
 5 * Copyright (c) 2015 Oliver Neukum <oneukum@suse.com>
 6 */
 7#ifndef __LINUX_USB_CDC_H
 8#define __LINUX_USB_CDC_H
 9
10#include <uapi/linux/usb/cdc.h>
11
12/*
13 * inofficial magic numbers
14 */
15
16#define CDC_PHONET_MAGIC_NUMBER		0xAB
17
18/*
19 * parsing CDC headers
20 */
21
22struct usb_cdc_parsed_header {
23	struct usb_cdc_union_desc *usb_cdc_union_desc;
24	struct usb_cdc_header_desc *usb_cdc_header_desc;
25
26	struct usb_cdc_call_mgmt_descriptor *usb_cdc_call_mgmt_descriptor;
27	struct usb_cdc_acm_descriptor *usb_cdc_acm_descriptor;
28	struct usb_cdc_country_functional_desc *usb_cdc_country_functional_desc;
29	struct usb_cdc_network_terminal_desc *usb_cdc_network_terminal_desc;
30	struct usb_cdc_ether_desc *usb_cdc_ether_desc;
31	struct usb_cdc_dmm_desc *usb_cdc_dmm_desc;
32	struct usb_cdc_mdlm_desc *usb_cdc_mdlm_desc;
33	struct usb_cdc_mdlm_detail_desc *usb_cdc_mdlm_detail_desc;
34	struct usb_cdc_obex_desc *usb_cdc_obex_desc;
35	struct usb_cdc_ncm_desc *usb_cdc_ncm_desc;
36	struct usb_cdc_mbim_desc *usb_cdc_mbim_desc;
37	struct usb_cdc_mbim_extended_desc *usb_cdc_mbim_extended_desc;
38
39	bool phonet_magic_present;
40};
41
42struct usb_interface;
43int cdc_parse_cdc_header(struct usb_cdc_parsed_header *hdr,
44				struct usb_interface *intf,
45				u8 *buffer,
46				int buflen);
47
48#endif /* __LINUX_USB_CDC_H */