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 22 struct 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 42 struct usb_interface; 43 int 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