61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
/* $NetBSD: ieee8023_tlv.h,v 1.3 2007/02/21 23:00:06 thorpej Exp $ */
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/*-
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* Copyright (c)2005 YAMAMOTO Takashi,
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _NET_AGR_IEEE8023_TLV_H_
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#define _NET_AGR_IEEE8023_TLV_H_
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/*
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* TLV on-wire structure.
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*/
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struct tlvhdr {
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uint8_t tlv_type;
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uint8_t tlv_length;
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/* uint8_t tlv_value[]; */
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} __packed;
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/*
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* ... and our implementation.
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*/
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#define TLV_SET(tlv, type, length) \
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do { \
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(tlv)->tlv_type = (type); \
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(tlv)->tlv_length = sizeof(*tlv) + (length); \
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} while (/*CONSTCOND*/0)
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struct tlv_template {
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uint8_t tmpl_type;
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uint8_t tmpl_length;
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};
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int tlv_check(const void *, size_t, const struct tlvhdr *,
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const struct tlv_template *, bool);
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#endif /* !_NET_AGR_IEEE8023_TLV_H_ */
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