linux/include/net/icmp.h
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   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 int  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_ATOMIC_LONG((net)->mib.icmpmsg_statistics, field+256)
  35#define ICMPMSGIN_INC_STATS_BH(net, field)      SNMP_INC_STATS_ATOMIC_LONG((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_init(void);
  45extern void     icmp_out_count(struct net *net, unsigned char type);
  46
  47#endif  /* _ICMP_H */
  48
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