mirror of
https://github.com/torvalds/linux.git
synced 2024-11-06 03:51:48 +00:00
56 lines
1.4 KiB
C
56 lines
1.4 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 "ping" module.
|
||
|
|
*
|
||
|
|
* 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 _PING_H
|
||
|
|
#define _PING_H
|
||
|
|
|
||
|
|
#include <net/netns/hash.h>
|
||
|
|
|
||
|
|
/* PING_HTABLE_SIZE must be power of 2 */
|
||
|
|
#define PING_HTABLE_SIZE 64
|
||
|
|
#define PING_HTABLE_MASK (PING_HTABLE_SIZE-1)
|
||
|
|
|
||
|
|
#define ping_portaddr_for_each_entry(__sk, node, list) \
|
||
|
|
hlist_nulls_for_each_entry(__sk, node, list, sk_nulls_node)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* gid_t is either uint or ushort. We want to pass it to
|
||
|
|
* proc_dointvec_minmax(), so it must not be larger than MAX_INT
|
||
|
|
*/
|
||
|
|
#define GID_T_MAX (((gid_t)~0U) >> 1)
|
||
|
|
|
||
|
|
struct ping_table {
|
||
|
|
struct hlist_nulls_head hash[PING_HTABLE_SIZE];
|
||
|
|
rwlock_t lock;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct ping_iter_state {
|
||
|
|
struct seq_net_private p;
|
||
|
|
int bucket;
|
||
|
|
};
|
||
|
|
|
||
|
|
extern struct proto ping_prot;
|
||
|
|
|
||
|
|
|
||
|
|
extern void ping_rcv(struct sk_buff *);
|
||
|
|
extern void ping_err(struct sk_buff *, u32 info);
|
||
|
|
|
||
|
|
#ifdef CONFIG_PROC_FS
|
||
|
|
extern int __init ping_proc_init(void);
|
||
|
|
extern void ping_proc_exit(void);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
void __init ping_init(void);
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* _PING_H */
|