60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
/* $NetBSD: pdu.h,v 1.3 2013/07/11 05:45:23 kefren Exp $ */
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/*-
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* Copyright (c) 2010 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Mihai Chelaru <kefren@NetBSD.org>
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _PDU_H_
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#define _PDU_H_
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#include <sys/types.h>
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#include <netinet/in.h>
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#include "ldp_peer.h"
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#define MIN_PDU_SIZE 10
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#define MAX_PDU_SIZE 1300
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#define PDU_VER_LENGTH (sizeof(uint16_t) + sizeof(uint16_t))
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#define PDU_PAYLOAD_LENGTH (sizeof(struct in_addr) + sizeof(uint16_t))
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struct ldp_pdu {
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uint16_t version;
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uint16_t length;
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/* draft-ietf-mpls-ldp-ipv6-07 keeps this IPv4 only for now */
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struct in_addr ldp_id;
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uint16_t label_space;
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} __packed;
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uint get_pdu(const unsigned char *, struct ldp_pdu *);
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int check_recv_pdu(const struct ldp_peer *, const struct ldp_pdu *, int);
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#endif /* !_PDU_H_ */
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