| Oliver Neukum | c40a2c8 | 2015-09-07 16:05:38 +0200 | [diff] [blame] | 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); |