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/*
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* INET An implementation of the TCP/IP protocol suite for the LINUX
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* operating system. INET is implemented using the BSD Socket
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* interface as the means of communication with the user level.
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*
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* Definitions for the ICMP module.
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*
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* Version: @(#)icmp.h 1.0.4 05/13/93
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*
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* Authors: Ross Biro
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* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _ICMP_H
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#define _ICMP_H
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#include <linux/config.h>
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#include <linux/icmp.h>
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#include <linux/skbuff.h>
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#include <net/sock.h>
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#include <net/protocol.h>
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#include <net/snmp.h>
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#include <linux/ip.h>
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struct icmp_err {
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int errno;
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unsigned fatal:1;
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};
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extern struct icmp_err icmp_err_convert[];
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DECLARE_SNMP_STAT(struct icmp_mib, icmp_statistics);
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#define ICMP_INC_STATS(field) SNMP_INC_STATS(icmp_statistics, field)
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#define ICMP_INC_STATS_BH(field) SNMP_INC_STATS_BH(icmp_statistics, field)
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#define ICMP_INC_STATS_USER(field) SNMP_INC_STATS_USER(icmp_statistics, field)
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extern void icmp_send(struct sk_buff *skb_in, int type, int code, u32 info);
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extern int icmp_rcv(struct sk_buff *skb);
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extern int icmp_ioctl(struct sock *sk, int cmd, unsigned long arg);
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extern void icmp_init(struct net_proto_family *ops);
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/* Move into dst.h ? */
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extern int xrlim_allow(struct dst_entry *dst, int timeout);
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struct raw_sock {
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/* inet_sock has to be the first member */
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struct inet_sock inet;
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struct icmp_filter filter;
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};
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static inline struct raw_sock *raw_sk(const struct sock *sk)
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{
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return (struct raw_sock *)sk;
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}
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extern int sysctl_icmp_echo_ignore_all;
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extern int sysctl_icmp_echo_ignore_broadcasts;
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extern int sysctl_icmp_ignore_bogus_error_responses;
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extern int sysctl_icmp_errors_use_inbound_ifaddr;
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extern int sysctl_icmp_ratelimit;
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extern int sysctl_icmp_ratemask;
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#endif /* _ICMP_H */
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