a5710d6582
icmp_init could fail and this is normal for namespace other than initial. So, the panic should be triggered only on init_net initialization path. Additionally create rollback path for icmp_init as a separate function. It will also be used later during namespace destruction. Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
/*
|
|
* 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>
|
|
|
|
struct icmp_err {
|
|
int errno;
|
|
unsigned fatal:1;
|
|
};
|
|
|
|
extern struct icmp_err icmp_err_convert[];
|
|
DECLARE_SNMP_STAT(struct icmp_mib, icmp_statistics);
|
|
DECLARE_SNMP_STAT(struct icmpmsg_mib, icmpmsg_statistics);
|
|
#define ICMP_INC_STATS(field) SNMP_INC_STATS(icmp_statistics, field)
|
|
#define ICMP_INC_STATS_BH(field) SNMP_INC_STATS_BH(icmp_statistics, field)
|
|
#define ICMP_INC_STATS_USER(field) SNMP_INC_STATS_USER(icmp_statistics, field)
|
|
#define ICMPMSGOUT_INC_STATS(field) SNMP_INC_STATS(icmpmsg_statistics, field+256)
|
|
#define ICMPMSGOUT_INC_STATS_BH(field) SNMP_INC_STATS_BH(icmpmsg_statistics, field+256)
|
|
#define ICMPMSGOUT_INC_STATS_USER(field) SNMP_INC_STATS_USER(icmpmsg_statistics, field+256)
|
|
#define ICMPMSGIN_INC_STATS(field) SNMP_INC_STATS(icmpmsg_statistics, field)
|
|
#define ICMPMSGIN_INC_STATS_BH(field) SNMP_INC_STATS_BH(icmpmsg_statistics, field)
|
|
#define ICMPMSGIN_INC_STATS_USER(field) SNMP_INC_STATS_USER(icmpmsg_statistics, field)
|
|
|
|
struct dst_entry;
|
|
struct net_proto_family;
|
|
struct sk_buff;
|
|
|
|
extern void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info);
|
|
extern int icmp_rcv(struct sk_buff *skb);
|
|
extern int icmp_ioctl(struct sock *sk, int cmd, unsigned long arg);
|
|
extern int icmp_init(void);
|
|
extern void icmp_out_count(unsigned char type);
|
|
|
|
/* Move into dst.h ? */
|
|
extern int xrlim_allow(struct dst_entry *dst, int timeout);
|
|
|
|
struct raw_sock {
|
|
/* inet_sock has to be the first member */
|
|
struct inet_sock inet;
|
|
struct icmp_filter filter;
|
|
};
|
|
|
|
static inline struct raw_sock *raw_sk(const struct sock *sk)
|
|
{
|
|
return (struct raw_sock *)sk;
|
|
}
|
|
|
|
extern int sysctl_icmp_echo_ignore_all;
|
|
extern int sysctl_icmp_echo_ignore_broadcasts;
|
|
extern int sysctl_icmp_ignore_bogus_error_responses;
|
|
extern int sysctl_icmp_errors_use_inbound_ifaddr;
|
|
extern int sysctl_icmp_ratelimit;
|
|
extern int sysctl_icmp_ratemask;
|
|
|
|
#endif /* _ICMP_H */
|