LXR linux-bk/include/net/icmp.h

   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/config.h>
  22#include <linux/icmp.h>
  23#include <linux/skbuff.h>
  24
  25#include <net/sock.h>
  26#include <net/protocol.h>
  27#include <net/snmp.h>
  28#include <linux/ip.h>
  29
  30struct icmp_err {
  31  int           errno;
  32  unsigned      fatal:1;
  33};
  34
  35extern struct icmp_err icmp_err_convert[];
  36DECLARE_SNMP_STAT(struct icmp_mib, icmp_statistics);
  37#define ICMP_INC_STATS(field)           SNMP_INC_STATS(icmp_statistics, field)
  38#define ICMP_INC_STATS_BH(field)        SNMP_INC_STATS_BH(icmp_statistics, field)
  39#define ICMP_INC_STATS_USER(field)      SNMP_INC_STATS_USER(icmp_statistics, field)
  40
  41extern void     icmp_send(struct sk_buff *skb_in,  int type, int code, u32 info);
  42extern int      icmp_rcv(struct sk_buff *skb);
  43extern int      icmp_ioctl(struct sock *sk, int cmd, unsigned long arg);
  44extern void     icmp_init(struct net_proto_family *ops);
  45
  46/* Move into dst.h ? */
  47extern int      xrlim_allow(struct dst_entry *dst, int timeout);
  48
  49struct raw_opt {
  50        struct icmp_filter filter;
  51};
  52
  53struct ipv6_pinfo;
  54
  55/* WARNING: don't change the layout of the members in raw_sock! */
  56struct raw_sock {
  57        struct sock       sk;
  58#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
  59        struct ipv6_pinfo *pinet6;
  60#endif
  61        struct inet_opt   inet;
  62        struct raw_opt    raw4;
  63};
  64
  65#define raw4_sk(__sk) (&((struct raw_sock *)__sk)->raw4)
  66
  67#endif  /* _ICMP_H */
  68