linux/include/net/icmp.h at master · fabgithub/linux · GitHub

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* INET An implementation of the TCP/IP protocol suite for the LINUX

* operating system. INET is implemented using the BSD Socket

* interface as the means of communication with the user level.

* Definitions for the ICMP module.

* Version: @(#)icmp.h 1.0.4 05/13/93

* Authors: Ross Biro

* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version

* 2 of the License, or (at your option) any later version.

#ifndef _ICMP_H

#define _ICMP_H

#include <linux/icmp.h>

#include <net/inet_sock.h>

#include <net/snmp.h>

struct icmp_err {

int errno;

unsigned int fatal:1;

};

extern const struct icmp_err icmp_err_convert[];

#define ICMP_INC_STATS(net, field) SNMP_INC_STATS((net)->mib.icmp_statistics, field)

#define ICMP_INC_STATS_BH(net, field) SNMP_INC_STATS_BH((net)->mib.icmp_statistics, field)

#define ICMPMSGOUT_INC_STATS(net, field) SNMP_INC_STATS_ATOMIC_LONG((net)->mib.icmpmsg_statistics, field+256)

#define ICMPMSGIN_INC_STATS_BH(net, field) SNMP_INC_STATS_ATOMIC_LONG((net)->mib.icmpmsg_statistics, field)

struct dst_entry;

struct net_proto_family;

struct sk_buff;

struct net;

extern void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info);

extern int icmp_rcv(struct sk_buff *skb);

extern void icmp_err(struct sk_buff *, u32 info);

extern int icmp_init(void);

extern void icmp_out_count(struct net *net, unsigned char type);

#endif /* _ICMP_H */