LXR linux/include/linux/usb/cdc.h

   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
  26struct 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
  46struct usb_interface;
  47int 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