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 #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 */