2 ipv6.h -- missing IPv6 related definitions
4 Copyright (C) 2003-2004 Ivo Timmermans <ivo@tinc-vpn.org>
5 2003-2004 Guus Sliepen <guus@tinc-vpn.org>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 #ifndef IPPROTO_ICMPV6
32 #define IPPROTO_ICMPV6 58
35 #ifndef HAVE_STRUCT_IN6_ADDR
39 uint16_t u6_addr16[8];
40 uint32_t u6_addr32[4];
42 } __attribute__ ((__packed__));
43 #define s6_addr in6_u.u6_addr8
44 #define s6_addr16 in6_u.u6_addr16
45 #define s6_addr32 in6_u.u6_addr32
48 #ifndef HAVE_STRUCT_SOCKADDR_IN6
52 uint32_t sin6_flowinfo;
53 struct in6_addr sin6_addr;
54 uint32_t sin6_scope_id;
55 } __attribute__ ((__packed__));
58 #ifndef IN6_IS_ADDR_V4MAPPED
59 #define IN6_IS_ADDR_V4MAPPED(a) \
60 ((((__const uint32_t *) (a))[0] == 0) \
61 && (((__const uint32_t *) (a))[1] == 0) \
62 && (((__const uint32_t *) (a))[2] == htonl (0xffff)))
65 #ifndef HAVE_STRUCT_IP6_HDR
69 uint32_t ip6_un1_flow;
70 uint16_t ip6_un1_plen;
76 struct in6_addr ip6_src;
77 struct in6_addr ip6_dst;
78 } __attribute__ ((__packed__));
79 #define ip6_vfc ip6_ctlun.ip6_un2_vfc
80 #define ip6_flow ip6_ctlun.ip6_un1.ip6_un1_flow
81 #define ip6_plen ip6_ctlun.ip6_un1.ip6_un1_plen
82 #define ip6_nxt ip6_ctlun.ip6_un1.ip6_un1_nxt
83 #define ip6_hlim ip6_ctlun.ip6_un1.ip6_un1_hlim
84 #define ip6_hops ip6_ctlun.ip6_un1.ip6_un1_hlim
87 #ifndef HAVE_STRUCT_ICMP6_HDR
93 uint32_t icmp6_un_data32[1];
94 uint16_t icmp6_un_data16[2];
95 uint8_t icmp6_un_data8[4];
97 } __attribute__ ((__packed__));
98 #define ICMP6_DST_UNREACH_NOROUTE 0
99 #define ICMP6_DST_UNREACH 1
100 #define ICMP6_DST_UNREACH_ADDR 3
101 #define ND_NEIGHBOR_SOLICIT 135
102 #define ND_NEIGHBOR_ADVERT 136
103 #define icmp6_data32 icmp6_dataun.icmp6_un_data32
104 #define icmp6_data16 icmp6_dataun.icmp6_un_data16
105 #define icmp6_data8 icmp6_dataun.icmp6_un_data8
108 #ifndef HAVE_STRUCT_ND_NEIGHBOR_SOLICIT
109 struct nd_neighbor_solicit {
110 struct icmp6_hdr nd_ns_hdr;
111 struct in6_addr nd_ns_target;
112 } __attribute__ ((__packed__));
113 #define ND_OPT_SOURCE_LINKADDR 1
114 #define ND_OPT_TARGET_LINKADDR 2
115 #define nd_ns_type nd_ns_hdr.icmp6_type
116 #define nd_ns_code nd_ns_hdr.icmp6_code
117 #define nd_ns_cksum nd_ns_hdr.icmp6_cksum
118 #define nd_ns_reserved nd_ns_hdr.icmp6_data32[0]
121 #ifndef HAVE_STRUCT_ND_OPT_HDR
125 } __attribute__ ((__packed__));