c40a2c8817
CDC drivers all implement their own parser for the extra headers. This patch fixes the code duplication introducing a single common parser in usbnet. Signed-off-by: Oliver Neukum <oneukum@suse.com> Signed-off-by: David S. Miller <davem@davemloft.net>
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/*
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* USB CDC common helpers
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*
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* Copyright (c) 2015 Oliver Neukum <oneukum@suse.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*/
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#include <uapi/linux/usb/cdc.h>
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/*
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* inofficial magic numbers
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*/
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#define CDC_PHONET_MAGIC_NUMBER 0xAB
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/*
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* parsing CDC headers
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*/
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struct usb_cdc_parsed_header {
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struct usb_cdc_union_desc *usb_cdc_union_desc;
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struct usb_cdc_header_desc *usb_cdc_header_desc;
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struct usb_cdc_call_mgmt_descriptor *usb_cdc_call_mgmt_descriptor;
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struct usb_cdc_acm_descriptor *usb_cdc_acm_descriptor;
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struct usb_cdc_country_functional_desc *usb_cdc_country_functional_desc;
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struct usb_cdc_network_terminal_desc *usb_cdc_network_terminal_desc;
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struct usb_cdc_ether_desc *usb_cdc_ether_desc;
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struct usb_cdc_dmm_desc *usb_cdc_dmm_desc;
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struct usb_cdc_mdlm_desc *usb_cdc_mdlm_desc;
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struct usb_cdc_mdlm_detail_desc *usb_cdc_mdlm_detail_desc;
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struct usb_cdc_obex_desc *usb_cdc_obex_desc;
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struct usb_cdc_ncm_desc *usb_cdc_ncm_desc;
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struct usb_cdc_mbim_desc *usb_cdc_mbim_desc;
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struct usb_cdc_mbim_extended_desc *usb_cdc_mbim_extended_desc;
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bool phonet_magic_present;
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};
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int cdc_parse_cdc_header(struct usb_cdc_parsed_header *hdr,
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struct usb_interface *intf,
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u8 *buffer,
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int buflen);
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