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, <bir7@leland.Stanford.Edu>
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 #include <linux/skbuff.h>
23
24 #include <net/sock.h>
25 #include <net/protocol.h>
26
27 struct icmp_err {
28 int errno;
29 unsigned fatal:1;
30 };
31
32 extern struct icmp_err icmp_err_convert[];
33 extern struct icmp_mib icmp_statistics[NR_CPUS*2];
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)
37
38 extern void icmp_send(struct sk_buff *skb_in, int type, int code,
39 unsigned long info);
40 extern int icmp_rcv(struct sk_buff *skb, unsigned short len);
41 extern int icmp_ioctl(struct sock *sk, int cmd, unsigned long arg);
42 extern void icmp_init(struct net_proto_family *ops);
43
44 /* Move into dst.h ? */
45 extern int xrlim_allow(struct dst_entry *dst, int timeout);
46
47 #endif /* _ICMP_H */
48
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