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 "ping" module.
 7 *
 8 *		This program is free software; you can redistribute it and/or
 9 *		modify it under the terms of the GNU General Public License
10 *		as published by the Free Software Foundation; either version
11 *		2 of the License, or (at your option) any later version.
12 */
13#ifndef _PING_H
14#define _PING_H
15
16#include <net/netns/hash.h>
17
18/* PING_HTABLE_SIZE must be power of 2 */
19#define PING_HTABLE_SIZE 	64
20#define PING_HTABLE_MASK 	(PING_HTABLE_SIZE-1)
21
22#define ping_portaddr_for_each_entry(__sk, node, list) \
23	hlist_nulls_for_each_entry(__sk, node, list, sk_nulls_node)
24
25/*
26 * gid_t is either uint or ushort.  We want to pass it to
27 * proc_dointvec_minmax(), so it must not be larger than MAX_INT
28 */
29#define GID_T_MAX (((gid_t)~0U) >> 1)
30
31struct ping_table {
32	struct hlist_nulls_head	hash[PING_HTABLE_SIZE];
33	rwlock_t		lock;
34};
35
36struct ping_iter_state {
37	struct seq_net_private  p;
38	int			bucket;
39};
40
41extern struct proto ping_prot;
42
43
44extern void ping_rcv(struct sk_buff *);
45extern void ping_err(struct sk_buff *, u32 info);
46
47#ifdef CONFIG_PROC_FS
48extern int __init ping_proc_init(void);
49extern void ping_proc_exit(void);
50#endif
51
52void __init ping_init(void);
53
54
55#endif /* _PING_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 "ping" module.
 7 *
 8 *		This program is free software; you can redistribute it and/or
 9 *		modify it under the terms of the GNU General Public License
10 *		as published by the Free Software Foundation; either version
11 *		2 of the License, or (at your option) any later version.
12 */
13#ifndef _PING_H
14#define _PING_H
15
16#include <net/netns/hash.h>
17
18/* PING_HTABLE_SIZE must be power of 2 */
19#define PING_HTABLE_SIZE 	64
20#define PING_HTABLE_MASK 	(PING_HTABLE_SIZE-1)
21
22#define ping_portaddr_for_each_entry(__sk, node, list) \
23	hlist_nulls_for_each_entry(__sk, node, list, sk_nulls_node)
24
25/*
26 * gid_t is either uint or ushort.  We want to pass it to
27 * proc_dointvec_minmax(), so it must not be larger than MAX_INT
28 */
29#define GID_T_MAX (((gid_t)~0U) >> 1)
30
31struct ping_table {
32	struct hlist_nulls_head	hash[PING_HTABLE_SIZE];
33	rwlock_t		lock;
34};
35
36struct ping_iter_state {
37	struct seq_net_private  p;
38	int			bucket;
39};
40
41extern struct proto ping_prot;
42
43
44extern void ping_rcv(struct sk_buff *);
45extern void ping_err(struct sk_buff *, u32 info);
46
47#ifdef CONFIG_PROC_FS
48extern int __init ping_proc_init(void);
49extern void ping_proc_exit(void);
50#endif
51
52void __init ping_init(void);
53
54
55#endif /* _PING_H */