linux-imx

/*

 * 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>

#include <net/ip.h>

​

struct icmp_err {

  int       errno;

  unsigned int  fatal:1;

};

​

extern const struct icmp_err icmp_err_convert[];

#define ICMP_INC_STATS(net, field)  SNMP_INC_STATS((net)->mib.icmp_statistics, field)

#define __ICMP_INC_STATS(net, field)    __SNMP_INC_STATS((net)->mib.icmp_statistics, field)

#define ICMPMSGOUT_INC_STATS(net, field)    SNMP_INC_STATS_ATOMIC_LONG((net)->mib.icmpmsg_statistics, field+256)

#define ICMPMSGIN_INC_STATS(net, field)     SNMP_INC_STATS_ATOMIC_LONG((net)->mib.icmpmsg_statistics, field)

​

struct dst_entry;

struct net_proto_family;

struct sk_buff;

struct net;

​

void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,

         const struct ip_options *opt);

static inline void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)

{

    __icmp_send(skb_in, type, code, info, &IPCB(skb_in)->opt);

}

​

int icmp_rcv(struct sk_buff *skb);

int icmp_err(struct sk_buff *skb, u32 info);

int icmp_init(void);

void icmp_out_count(struct net *net, unsigned char type);

​

#endif  /* _ICMP_H */