1 1.3 thorpej /* $NetBSD: ieee8023_tlv.h,v 1.3 2007/02/21 23:00:06 thorpej Exp $ */ 2 1.1 yamt 3 1.1 yamt /*- 4 1.1 yamt * Copyright (c)2005 YAMAMOTO Takashi, 5 1.1 yamt * All rights reserved. 6 1.1 yamt * 7 1.1 yamt * Redistribution and use in source and binary forms, with or without 8 1.1 yamt * modification, are permitted provided that the following conditions 9 1.1 yamt * are met: 10 1.1 yamt * 1. Redistributions of source code must retain the above copyright 11 1.1 yamt * notice, this list of conditions and the following disclaimer. 12 1.1 yamt * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 yamt * notice, this list of conditions and the following disclaimer in the 14 1.1 yamt * documentation and/or other materials provided with the distribution. 15 1.1 yamt * 16 1.1 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 1.1 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 1.1 yamt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 1.1 yamt * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 1.1 yamt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.1 yamt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.1 yamt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.1 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.1 yamt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.1 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.1 yamt * SUCH DAMAGE. 27 1.1 yamt */ 28 1.1 yamt 29 1.2 elad #ifndef _NET_AGR_IEEE8023_TLV_H_ 30 1.1 yamt #define _NET_AGR_IEEE8023_TLV_H_ 31 1.1 yamt 32 1.1 yamt /* 33 1.1 yamt * TLV on-wire structure. 34 1.1 yamt */ 35 1.1 yamt 36 1.1 yamt struct tlvhdr { 37 1.1 yamt uint8_t tlv_type; 38 1.1 yamt uint8_t tlv_length; 39 1.1 yamt /* uint8_t tlv_value[]; */ 40 1.1 yamt } __packed; 41 1.1 yamt 42 1.1 yamt /* 43 1.1 yamt * ... and our implementation. 44 1.1 yamt */ 45 1.1 yamt 46 1.1 yamt #define TLV_SET(tlv, type, length) \ 47 1.1 yamt do { \ 48 1.1 yamt (tlv)->tlv_type = (type); \ 49 1.1 yamt (tlv)->tlv_length = sizeof(*tlv) + (length); \ 50 1.1 yamt } while (/*CONSTCOND*/0) 51 1.1 yamt 52 1.1 yamt struct tlv_template { 53 1.1 yamt uint8_t tmpl_type; 54 1.1 yamt uint8_t tmpl_length; 55 1.1 yamt }; 56 1.1 yamt 57 1.1 yamt int tlv_check(const void *, size_t, const struct tlvhdr *, 58 1.3 thorpej const struct tlv_template *, bool); 59 1.1 yamt 60 1.2 elad #endif /* !_NET_AGR_IEEE8023_TLV_H_ */ 61