2 ipv4.h -- missing IPv4 related definitions
3 Copyright (C) 2005 Ivo Timmermans
4 2006 Guus Sliepen <guus@tinc-vpn.org>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #ifndef __TINC_IPV4_H__
24 #define __TINC_IPV4_H__
31 #define IPPROTO_ICMP 1
34 #ifndef ICMP_DEST_UNREACH
35 #define ICMP_DEST_UNREACH 3
38 #ifndef ICMP_FRAG_NEEDED
39 #define ICMP_FRAG_NEEDED 4
42 #ifndef ICMP_NET_UNKNOWN
43 #define ICMP_NET_UNKNOWN 6
46 #ifndef ICMP_NET_UNREACH
47 #define ICMP_NET_UNREACH 0
54 #ifndef HAVE_STRUCT_IP
56 #if __BYTE_ORDER == __LITTLE_ENDIAN
73 struct in_addr ip_src, ip_dst;
74 } __attribute__ ((__packed__));
78 #define IP_OFFMASK 0x1fff
81 #ifndef HAVE_STRUCT_ICMP
88 struct in_addr ih_gwaddr;
102 uint8_t irt_num_addrs;
104 uint16_t irt_lifetime;
107 #define icmp_pptr icmp_hun.ih_pptr
108 #define icmp_gwaddr icmp_hun.ih_gwaddr
109 #define icmp_id icmp_hun.ih_idseq.icd_id
110 #define icmp_seq icmp_hun.ih_idseq.icd_seq
111 #define icmp_void icmp_hun.ih_void
112 #define icmp_pmvoid icmp_hun.ih_pmtu.ipm_void
113 #define icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu
114 #define icmp_num_addrs icmp_hun.ih_rtradv.irt_num_addrs
115 #define icmp_wpa icmp_hun.ih_rtradv.irt_wpa
116 #define icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime
129 #define icmp_otime icmp_dun.id_ts.its_otime
130 #define icmp_rtime icmp_dun.id_ts.its_rtime
131 #define icmp_ttime icmp_dun.id_ts.its_ttime
132 #define icmp_ip icmp_dun.id_ip.idi_ip
133 #define icmp_radv icmp_dun.id_radv
134 #define icmp_mask icmp_dun.id_mask
135 #define icmp_data icmp_dun.id_data
136 } __attribute__ ((__packed__));
139 #endif /* __TINC_IPV4_H__ */