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 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * version 2 as published by the Free Software Foundation. 10 */ 11 #ifndef __LINUX_USB_CDC_H 12 #define __LINUX_USB_CDC_H 13 14 #include <uapi/linux/usb/cdc.h> 15 16 /* 17 * inofficial magic numbers 18 */ 19 20 #define CDC_PHONET_MAGIC_NUMBER 0xAB 21 22 /* 23 * parsing CDC headers 24 */ 25 26 struct usb_cdc_parsed_header { 27 struct usb_cdc_union_desc *usb_cdc_union_desc; 28 struct usb_cdc_header_desc *usb_cdc_header_desc; 29 30 struct usb_cdc_call_mgmt_descriptor *usb_cdc_call_mgmt_descriptor; 31 struct usb_cdc_acm_descriptor *usb_cdc_acm_descriptor; 32 struct usb_cdc_country_functional_desc *usb_cdc_country_functional_desc; 33 struct usb_cdc_network_terminal_desc *usb_cdc_network_terminal_desc; 34 struct usb_cdc_ether_desc *usb_cdc_ether_desc; 35 struct usb_cdc_dmm_desc *usb_cdc_dmm_desc; 36 struct usb_cdc_mdlm_desc *usb_cdc_mdlm_desc; 37 struct usb_cdc_mdlm_detail_desc *usb_cdc_mdlm_detail_desc; 38 struct usb_cdc_obex_desc *usb_cdc_obex_desc; 39 struct usb_cdc_ncm_desc *usb_cdc_ncm_desc; 40 struct usb_cdc_mbim_desc *usb_cdc_mbim_desc; 41 struct usb_cdc_mbim_extended_desc *usb_cdc_mbim_extended_desc; 42 43 bool phonet_magic_present; 44 }; 45 46 struct usb_interface; 47 int cdc_parse_cdc_header(struct usb_cdc_parsed_header *hdr, 48 struct usb_interface *intf, 49 u8 *buffer, 50 int buflen); 51 52 #endif /* __LINUX_USB_CDC_H */ 53