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
  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 */