| 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 |