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 */
49