xref: /openbmc/linux/include/linux/usb/cdc.h (revision a8da474e)
1 /*
2  * USB CDC common helpers
3  *
4  * Copyright (c) 2015 Oliver Neukum <oneukum@suse.com>
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * version 2 as published by the Free Software Foundation.
9  */
10 #ifndef __LINUX_USB_CDC_H
11 #define __LINUX_USB_CDC_H
12 
13 #include <uapi/linux/usb/cdc.h>
14 
15 /*
16  * inofficial magic numbers
17  */
18 
19 #define CDC_PHONET_MAGIC_NUMBER		0xAB
20 
21 /*
22  * parsing CDC headers
23  */
24 
25 struct usb_cdc_parsed_header {
26 	struct usb_cdc_union_desc *usb_cdc_union_desc;
27 	struct usb_cdc_header_desc *usb_cdc_header_desc;
28 
29 	struct usb_cdc_call_mgmt_descriptor *usb_cdc_call_mgmt_descriptor;
30 	struct usb_cdc_acm_descriptor *usb_cdc_acm_descriptor;
31 	struct usb_cdc_country_functional_desc *usb_cdc_country_functional_desc;
32 	struct usb_cdc_network_terminal_desc *usb_cdc_network_terminal_desc;
33 	struct usb_cdc_ether_desc *usb_cdc_ether_desc;
34 	struct usb_cdc_dmm_desc *usb_cdc_dmm_desc;
35 	struct usb_cdc_mdlm_desc *usb_cdc_mdlm_desc;
36 	struct usb_cdc_mdlm_detail_desc *usb_cdc_mdlm_detail_desc;
37 	struct usb_cdc_obex_desc *usb_cdc_obex_desc;
38 	struct usb_cdc_ncm_desc *usb_cdc_ncm_desc;
39 	struct usb_cdc_mbim_desc *usb_cdc_mbim_desc;
40 	struct usb_cdc_mbim_extended_desc *usb_cdc_mbim_extended_desc;
41 
42 	bool phonet_magic_present;
43 };
44 
45 struct usb_interface;
46 int cdc_parse_cdc_header(struct usb_cdc_parsed_header *hdr,
47 				struct usb_interface *intf,
48 				u8 *buffer,
49 				int buflen);
50 
51 #endif /* __LINUX_USB_CDC_H */
52