Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * INET An implementation of the TCP/IP protocol suite for the LINUX |
| 3 | * operating system. INET is implemented using the BSD Socket |
| 4 | * interface as the means of communication with the user level. |
| 5 | * |
| 6 | * Definitions for the ICMP module. |
| 7 | * |
| 8 | * Version: @(#)icmp.h 1.0.4 05/13/93 |
| 9 | * |
Jesper Juhl | 02c30a8 | 2005-05-05 16:16:16 -0700 | [diff] [blame] | 10 | * Authors: Ross Biro |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or |
| 14 | * modify it under the terms of the GNU General Public License |
| 15 | * as published by the Free Software Foundation; either version |
| 16 | * 2 of the License, or (at your option) any later version. |
| 17 | */ |
| 18 | #ifndef _ICMP_H |
| 19 | #define _ICMP_H |
| 20 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | #include <linux/icmp.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | |
Arnaldo Carvalho de Melo | 14c8502 | 2005-12-27 02:43:12 -0200 | [diff] [blame] | 23 | #include <net/inet_sock.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include <net/snmp.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | |
| 26 | struct icmp_err { |
| 27 | int errno; |
| 28 | unsigned fatal:1; |
| 29 | }; |
| 30 | |
| 31 | extern struct icmp_err icmp_err_convert[]; |
| 32 | DECLARE_SNMP_STAT(struct icmp_mib, icmp_statistics); |
David L Stevens | 96793b4 | 2007-09-17 09:57:33 -0700 | [diff] [blame] | 33 | DECLARE_SNMP_STAT(struct icmpmsg_mib, icmpmsg_statistics); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | #define ICMP_INC_STATS(field) SNMP_INC_STATS(icmp_statistics, field) |
| 35 | #define ICMP_INC_STATS_BH(field) SNMP_INC_STATS_BH(icmp_statistics, field) |
| 36 | #define ICMP_INC_STATS_USER(field) SNMP_INC_STATS_USER(icmp_statistics, field) |
David L Stevens | 96793b4 | 2007-09-17 09:57:33 -0700 | [diff] [blame] | 37 | #define ICMPMSGOUT_INC_STATS(field) SNMP_INC_STATS(icmpmsg_statistics, field+256) |
| 38 | #define ICMPMSGOUT_INC_STATS_BH(field) SNMP_INC_STATS_BH(icmpmsg_statistics, field+256) |
| 39 | #define ICMPMSGOUT_INC_STATS_USER(field) SNMP_INC_STATS_USER(icmpmsg_statistics, field+256) |
| 40 | #define ICMPMSGIN_INC_STATS(field) SNMP_INC_STATS(icmpmsg_statistics, field) |
| 41 | #define ICMPMSGIN_INC_STATS_BH(field) SNMP_INC_STATS_BH(icmpmsg_statistics, field) |
| 42 | #define ICMPMSGIN_INC_STATS_USER(field) SNMP_INC_STATS_USER(icmpmsg_statistics, field) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | |
Arnaldo Carvalho de Melo | 14c8502 | 2005-12-27 02:43:12 -0200 | [diff] [blame] | 44 | struct dst_entry; |
| 45 | struct net_proto_family; |
| 46 | struct sk_buff; |
| 47 | |
Al Viro | e488301 | 2006-09-26 22:17:28 -0700 | [diff] [blame] | 48 | extern void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | extern int icmp_rcv(struct sk_buff *skb); |
| 50 | extern int icmp_ioctl(struct sock *sk, int cmd, unsigned long arg); |
Denis V. Lunev | a5710d6 | 2008-02-29 11:14:50 -0800 | [diff] [blame] | 51 | extern int icmp_init(void); |
David L Stevens | 96793b4 | 2007-09-17 09:57:33 -0700 | [diff] [blame] | 52 | extern void icmp_out_count(unsigned char type); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | |
| 54 | /* Move into dst.h ? */ |
| 55 | extern int xrlim_allow(struct dst_entry *dst, int timeout); |
| 56 | |
| 57 | struct raw_sock { |
| 58 | /* inet_sock has to be the first member */ |
| 59 | struct inet_sock inet; |
| 60 | struct icmp_filter filter; |
| 61 | }; |
| 62 | |
| 63 | static inline struct raw_sock *raw_sk(const struct sock *sk) |
| 64 | { |
| 65 | return (struct raw_sock *)sk; |
| 66 | } |
| 67 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | #endif /* _ICMP_H */ |