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 *
10 * Authors: Ross Biro
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
21#include <linux/icmp.h>
22
23#include <net/inet_sock.h>
24#include <net/snmp.h>
25
26struct icmp_err {
27 int errno;
28 unsigned int fatal:1;
29};
30
31extern const struct icmp_err icmp_err_convert[];
32#define ICMP_INC_STATS(net, field) SNMP_INC_STATS((net)->mib.icmp_statistics, field)
33#define __ICMP_INC_STATS(net, field) __SNMP_INC_STATS((net)->mib.icmp_statistics, field)
34#define ICMPMSGOUT_INC_STATS(net, field) SNMP_INC_STATS_ATOMIC_LONG((net)->mib.icmpmsg_statistics, field+256)
35#define ICMPMSGIN_INC_STATS(net, field) SNMP_INC_STATS_ATOMIC_LONG((net)->mib.icmpmsg_statistics, field)
36
37struct dst_entry;
38struct net_proto_family;
39struct sk_buff;
40struct net;
41
42void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info);
43int icmp_rcv(struct sk_buff *skb);
44void icmp_err(struct sk_buff *skb, u32 info);
45int icmp_init(void);
46void icmp_out_count(struct net *net, unsigned char type);
47
48#endif /* _ICMP_H */
49