1/* 2 * INET An implementation of the TCP/IP protocol suite for the LINUX 3 * operating system. INET is implemented using the BSD Socket 4 * interface as the means of communication with the user level. 5 * 6 * Definitions for the ICMP module. 7 * 8 * Version: @(#)icmp.h 1.0.4 05/13/93 9 * 10 * Authors: Ross Biro 11 * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> 12 * 13 * This program is free software; you can redistribute it and/or 14 * modify it under the terms of the GNU General Public License 15 * as published by the Free Software Foundation; either version 16 * 2 of the License, or (at your option) any later version. 17 */ 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 const 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/* Move into dst.h ? */ 49extern int xrlim_allow(struct dst_entry *dst, int timeout); 50 51#endif /* _ICMP_H */ 52