wireshark/wsutil/inet_ipv6.h

52 lines
1.5 KiB
C

/* inet_ipv6.h
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __INET_IPV6_H__
#define __INET_IPV6_H__
struct e_in6_addr {
guint8 bytes[16]; /**< 128 bit IP6 address */
};
/**
* Unicast Scope
* Note that we must check topmost 10 bits only, not 16 bits (see RFC2373).
*/
static inline gboolean in6_is_addr_linklocal(const struct e_in6_addr *a)
{
return (a->bytes[0] == 0xfe) && ((a->bytes[1] & 0xc0) == 0x80);
}
static inline gboolean in6_is_addr_sitelocal(const struct e_in6_addr *a)
{
return (a->bytes[0] == 0xfe) && ((a->bytes[1] & 0xc0) == 0xc0);
}
/**
* Multicast
*/
static inline gboolean in6_is_addr_multicast(const struct e_in6_addr *a)
{
return a->bytes[0] == 0xff;
}
#endif