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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 fatal:1;
29};
30
31extern 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_BH(net, field) SNMP_INC_STATS_BH((net)->mib.icmp_statistics, field)
34#define ICMPMSGOUT_INC_STATS(net, field) SNMP_INC_STATS((net)->mib.icmpmsg_statistics, field+256)
35#define ICMPMSGIN_INC_STATS_BH(net, field) SNMP_INC_STATS_BH((net)->mib.icmpmsg_statistics, field)
36
37struct dst_entry;
38struct net_proto_family;
39struct sk_buff;
40struct net;
41
42extern void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info);
43extern int icmp_rcv(struct sk_buff *skb);
44extern int icmp_ioctl(struct sock *sk, int cmd, unsigned long arg);
45extern int icmp_init(void);
46extern void icmp_out_count(struct net *net, unsigned char type);
47
48
49extern int xrlim_allow(struct dst_entry *dst, int timeout);
50
51struct raw_sock {
52
53 struct inet_sock inet;
54 struct icmp_filter filter;
55};
56
57static inline struct raw_sock *raw_sk(const struct sock *sk)
58{
59 return (struct raw_sock *)sk;
60}
61
62#endif
63