10c36221 |
1 | /* |
2 | * Part of icmp-dn, ICMP domain name tools for Linux |
3 | * Copyright (C) 2006 Fredrik Tolf <fredrik@dolda2000.com> |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify |
6 | * it under the terms of the GNU General Public License as published by |
7 | * the Free Software Foundation; either version 2 of the License, or |
8 | * (at your option) any later version. |
9 | * |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * GNU General Public License for more details. |
14 | * |
15 | * You should have received a copy of the GNU General Public License |
16 | * along with this program; if not, write to the Free Software |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
18 | */ |
19 | |
20 | #ifndef _ICMPDEFS_H |
21 | #define _ICMPDEFS_H |
22 | |
23 | struct icmphdr { |
24 | u_int8_t type; |
25 | u_int8_t code; |
26 | u_int16_t checksum; |
27 | }; |
28 | |
29 | struct reqhdr { |
30 | u_int8_t type; |
31 | u_int8_t code; |
32 | u_int16_t checksum; |
33 | u_int16_t id; |
34 | u_int16_t seq; |
35 | }; |
36 | |
37 | struct rephdr { |
38 | u_int8_t type; |
39 | u_int8_t code; |
40 | u_int16_t checksum; |
41 | u_int16_t id; |
42 | u_int16_t seq; |
43 | int32_t ttl; |
44 | }; |
45 | |
46 | #define ICMP_NAMEREQ 37 |
47 | #define ICMP_NAMEREP 38 |
48 | |
49 | #endif |