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1da177e4 LT |
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 | * | |
02c30a84 | 10 | * Authors: Ross Biro |
1da177e4 LT |
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/config.h> | |
22 | #include <linux/icmp.h> | |
23 | #include <linux/skbuff.h> | |
24 | ||
25 | #include <net/sock.h> | |
26 | #include <net/protocol.h> | |
27 | #include <net/snmp.h> | |
28 | #include <linux/ip.h> | |
29 | ||
30 | struct icmp_err { | |
31 | int errno; | |
32 | unsigned fatal:1; | |
33 | }; | |
34 | ||
35 | extern struct icmp_err icmp_err_convert[]; | |
36 | DECLARE_SNMP_STAT(struct icmp_mib, icmp_statistics); | |
37 | #define ICMP_INC_STATS(field) SNMP_INC_STATS(icmp_statistics, field) | |
38 | #define ICMP_INC_STATS_BH(field) SNMP_INC_STATS_BH(icmp_statistics, field) | |
39 | #define ICMP_INC_STATS_USER(field) SNMP_INC_STATS_USER(icmp_statistics, field) | |
40 | ||
41 | extern void icmp_send(struct sk_buff *skb_in, int type, int code, u32 info); | |
42 | extern int icmp_rcv(struct sk_buff *skb); | |
43 | extern int icmp_ioctl(struct sock *sk, int cmd, unsigned long arg); | |
44 | extern void icmp_init(struct net_proto_family *ops); | |
45 | ||
46 | /* Move into dst.h ? */ | |
47 | extern int xrlim_allow(struct dst_entry *dst, int timeout); | |
48 | ||
49 | struct raw_sock { | |
50 | /* inet_sock has to be the first member */ | |
51 | struct inet_sock inet; | |
52 | struct icmp_filter filter; | |
53 | }; | |
54 | ||
55 | static inline struct raw_sock *raw_sk(const struct sock *sk) | |
56 | { | |
57 | return (struct raw_sock *)sk; | |
58 | } | |
59 | ||
60 | #endif /* _ICMP_H */ |