linux/usb/cdc.h

0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003  * USB CDC common helpers
0004  *
0005  * Copyright (c) 2015 Oliver Neukum <oneukum@suse.com>
0006  */
0007 #ifndef __LINUX_USB_CDC_H
0008 #define __LINUX_USB_CDC_H
0009
0010 #include <uapi/linux/usb/cdc.h>
0011
0012 /*
0013  * inofficial magic numbers
0014  */
0015
0016 #define CDC_PHONET_MAGIC_NUMBER     0xAB
0017
0018 /*
0019  * parsing CDC headers
0020  */
0021
0022 struct usb_cdc_parsed_header {
0023     struct usb_cdc_union_desc *usb_cdc_union_desc;
0024     struct usb_cdc_header_desc *usb_cdc_header_desc;
0025
0026     struct usb_cdc_call_mgmt_descriptor *usb_cdc_call_mgmt_descriptor;
0027     struct usb_cdc_acm_descriptor *usb_cdc_acm_descriptor;
0028     struct usb_cdc_country_functional_desc *usb_cdc_country_functional_desc;
0029     struct usb_cdc_network_terminal_desc *usb_cdc_network_terminal_desc;
0030     struct usb_cdc_ether_desc *usb_cdc_ether_desc;
0031     struct usb_cdc_dmm_desc *usb_cdc_dmm_desc;
0032     struct usb_cdc_mdlm_desc *usb_cdc_mdlm_desc;
0033     struct usb_cdc_mdlm_detail_desc *usb_cdc_mdlm_detail_desc;
0034     struct usb_cdc_obex_desc *usb_cdc_obex_desc;
0035     struct usb_cdc_ncm_desc *usb_cdc_ncm_desc;
0036     struct usb_cdc_mbim_desc *usb_cdc_mbim_desc;
0037     struct usb_cdc_mbim_extended_desc *usb_cdc_mbim_extended_desc;
0038
0039     bool phonet_magic_present;
0040 };
0041
0042 struct usb_interface;
0043 int cdc_parse_cdc_header(struct usb_cdc_parsed_header *hdr,
0044                 struct usb_interface *intf,
0045                 u8 *buffer,
0046                 int buflen);
0047
0048 #endif /* __LINUX_USB_CDC_H */