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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, <bir7@leland.Stanford.Edu>
* 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/config.h>
#include <linux/icmp.h>
#include <linux/skbuff.h>
#include <net/sock.h>
#include <net/protocol.h>
#include <net/snmp.h>
#include <linux/ip.h>
struct icmp_err {
int errno;
unsigned fatal:1;
};
extern struct icmp_err icmp_err_convert[];
DECLARE_SNMP_STAT(struct icmp_mib, icmp_statistics);
#define ICMP_INC_STATS(field) SNMP_INC_STATS(icmp_statistics, field)
#define ICMP_INC_STATS_BH(field) SNMP_INC_STATS_BH(icmp_statistics, field)
#define ICMP_INC_STATS_USER(field) SNMP_INC_STATS_USER(icmp_statistics, field)
extern void icmp_send(struct sk_buff *skb_in, int type, int code, u32 info);
extern int icmp_rcv(struct sk_buff *skb);
extern int icmp_ioctl(struct sock *sk, int cmd, unsigned long arg);
extern void icmp_init(struct net_proto_family *ops);
/* Move into dst.h ? */
extern int xrlim_allow(struct dst_entry *dst, int timeout);
struct raw_sock {
/* inet_sock has to be the first member */
struct inet_sock inet;
struct icmp_filter filter;
};
static inline struct raw_sock *raw_sk(const struct sock *sk)
{
return (struct raw_sock *)sk;
}
#endif /* _ICMP_H */
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