/* * 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 fatal:1; }; extern struct icmp_err icmp_err_convert[]; DECLARE_SNMP_STAT(struct icmp_mib, icmp_statistics); DECLARE_SNMP_STAT(struct icmpmsg_mib, icmpmsg_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) #define ICMPMSGOUT_INC_STATS(field) SNMP_INC_STATS(icmpmsg_statistics, field+256) #define ICMPMSGOUT_INC_STATS_BH(field) SNMP_INC_STATS_BH(icmpmsg_statistics, field+256) #define ICMPMSGOUT_INC_STATS_USER(field) SNMP_INC_STATS_USER(icmpmsg_statistics, field+256) #define ICMPMSGIN_INC_STATS(field) SNMP_INC_STATS(icmpmsg_statistics, field) #define ICMPMSGIN_INC_STATS_BH(field) SNMP_INC_STATS_BH(icmpmsg_statistics, field) #define ICMPMSGIN_INC_STATS_USER(field) SNMP_INC_STATS_USER(icmpmsg_statistics, field) struct dst_entry; struct net_proto_family; struct sk_buff; extern void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 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); extern void icmp_out_count(unsigned char type); /* 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; } extern int sysctl_icmp_echo_ignore_all; extern int sysctl_icmp_echo_ignore_broadcasts; extern int sysctl_icmp_ignore_bogus_error_responses; extern int sysctl_icmp_errors_use_inbound_ifaddr; extern int sysctl_icmp_ratelimit; extern int sysctl_icmp_ratemask; #endif /* _ICMP_H */