include/linux/usb/cdc.h

   1 /*
   2  * USB CDC common helpers
   3  *
   4  * Copyright (c) 2015 Oliver Neukum <oneukum@suse.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * version 2 as published by the Free Software Foundation.
   9  */
  10
  11 #include <uapi/linux/usb/cdc.h>
  12
  13 /*
  14  * inofficial magic numbers
  15  */
  16
  17 #define CDC_PHONET_MAGIC_NUMBER         0xAB
  18
  19 /*
  20  * parsing CDC headers
  21  */
  22
  23 struct usb_cdc_parsed_header {
  24         struct usb_cdc_union_desc *usb_cdc_union_desc;
  25         struct usb_cdc_header_desc *usb_cdc_header_desc;
  26
  27         struct usb_cdc_call_mgmt_descriptor *usb_cdc_call_mgmt_descriptor;
  28         struct usb_cdc_acm_descriptor *usb_cdc_acm_descriptor;
  29         struct usb_cdc_country_functional_desc *usb_cdc_country_functional_desc;
  30         struct usb_cdc_network_terminal_desc *usb_cdc_network_terminal_desc;
  31         struct usb_cdc_ether_desc *usb_cdc_ether_desc;
  32         struct usb_cdc_dmm_desc *usb_cdc_dmm_desc;
  33         struct usb_cdc_mdlm_desc *usb_cdc_mdlm_desc;
  34         struct usb_cdc_mdlm_detail_desc *usb_cdc_mdlm_detail_desc;
  35         struct usb_cdc_obex_desc *usb_cdc_obex_desc;
  36         struct usb_cdc_ncm_desc *usb_cdc_ncm_desc;
  37         struct usb_cdc_mbim_desc *usb_cdc_mbim_desc;
  38         struct usb_cdc_mbim_extended_desc *usb_cdc_mbim_extended_desc;
  39
  40         bool phonet_magic_present;
  41 };
  42
  43
  44 int cdc_parse_cdc_header(struct usb_cdc_parsed_header *hdr,
  45                                 struct usb_interface *intf,
  46                                 u8 *buffer,
  47                                 int buflen);