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, <bir7@leland.Stanford.Edu> 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 #include <linux/skbuff.h> 23 24 #include <net/sock.h> 25 #include <net/protocol.h> 26 #include <net/snmp.h> 27 28 struct icmp_err { 29 int errno; 30 unsigned fatal:1; 31 }; 32 33 extern struct icmp_err icmp_err_convert[]; 34 extern struct icmp_mib icmp_statistics[NR_CPUS*2]; 35 #define ICMP_INC_STATS(field) SNMP_INC_STATS(icmp_statistics, field) 36 #define ICMP_INC_STATS_BH(field) SNMP_INC_STATS_BH(icmp_statistics, field) 37 #define ICMP_INC_STATS_USER(field) SNMP_INC_STATS_USER(icmp_statistics, field) 38 39 extern void icmp_send(struct sk_buff *skb_in, int type, int code, u32 info); 40 extern int icmp_rcv(struct sk_buff *skb); 41 extern int icmp_ioctl(struct sock *sk, int cmd, unsigned long arg); 42 extern void icmp_init(struct net_proto_family *ops); 43 44 /* Move into dst.h ? */ 45 extern int xrlim_allow(struct dst_entry *dst, int timeout); 46 47 #endif /* _ICMP_H */ 48