projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| c319b4d7 VK |
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 | ||
| 31 | struct ping_table { | |
| 32 | struct hlist_nulls_head hash[PING_HTABLE_SIZE]; | |
| 33 | rwlock_t lock; | |
| 34 | }; | |
| 35 | ||
| 36 | struct ping_iter_state { | |
| 37 | struct seq_net_private p; | |
| 38 | int bucket; | |
| 39 | }; | |
| 40 | ||
| 41 | extern struct proto ping_prot; | |
| 42 | ||
| 43 | ||
| 44 | extern void ping_rcv(struct sk_buff *); | |
| 45 | extern void ping_err(struct sk_buff *, u32 info); | |
| 46 | ||
| 47 | extern void inet_get_ping_group_range_net(struct net *net, unsigned int *low, unsigned int *high); | |
| 48 | ||
| 49 | #ifdef CONFIG_PROC_FS | |
| 50 | extern int __init ping_proc_init(void); | |
| 51 | extern void ping_proc_exit(void); | |
| 52 | #endif | |
| 53 | ||
| 54 | void __init ping_init(void); | |
| 55 | ||
| 56 | ||
| 57 | #endif /* _PING_H */ |