a009cc0605
svn path=/trunk/; revision=33990
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/* ipv6-utils.h
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* Definitions for IPv6 packet disassembly
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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*
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* Copyright 1998 Gerald Combs
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*
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* MobileIPv6 support added by Tomislav Borosa <tomislav.borosa@siemens.hr>
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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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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __IPV6_UTILS_H__
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#define __IPV6_UTILS_H__
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struct e_in6_addr {
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guint8 bytes[16]; /**< 128 bit IP6 address */
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};
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/**
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* Unicast Scope
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* Note that we must check topmost 10 bits only, not 16 bits (see RFC2373).
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*/
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#define E_IN6_IS_ADDR_LINKLOCAL(a) \
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(((a)->bytes[0] == 0xfe) && (((a)->bytes[1] & 0xc0) == 0x80))
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#define E_IN6_IS_ADDR_SITELOCAL(a) \
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(((a)->bytes[0] == 0xfe) && (((a)->bytes[1] & 0xc0) == 0xc0))
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/**
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* Multicast
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*/
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#define E_IN6_IS_ADDR_MULTICAST(a) ((a)->bytes[0] == 0xff)
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#endif /* __IPV6_UTILS_H__ */
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