| 1 | |
| 2 | * INET An implementation of the TCP/IP protocol suite for the LINUX
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| 3 | * operating system. INET is implemented using the BSD Socket
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| 4 | * interface as the means of communication with the user level.
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| 5 | *
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| 6 | * Definitions for the "ping" module.
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| 7 | *
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| 8 | * This program is free software; you can redistribute it and/or
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| 9 | * modify it under the terms of the GNU General Public License
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| 10 | * as published by the Free Software Foundation; either version
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| 11 | * 2 of the License, or (at your option) any later version.
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| 12 |
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| 13 | #ifndef _PING_H
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| 14 | #define _PING_H
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| 15 |
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| 16 | #include <net/netns/hash.h>
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| 17 |
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| 18 |
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| 19 | #define PING_HTABLE_SIZE 64
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| 20 | #define PING_HTABLE_MASK (PING_HTABLE_SIZE-1)
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| 21 |
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| 22 | #define ping_portaddr_for_each_entry(__sk, node, list) \
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| 23 | hlist_nulls_for_each_entry(__sk, node, list, sk_nulls_node)
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| 24 |
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| 25 | |
| 26 | * gid_t is either uint or ushort. We want to pass it to
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| 27 | * proc_dointvec_minmax(), so it must not be larger than MAX_INT
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| 28 |
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| 29 | #define GID_T_MAX (((gid_t)~0U) >> 1)
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| 30 |
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| 31 | struct ping_table {
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| 32 | struct hlist_nulls_head hash[PING_HTABLE_SIZE];
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| 33 | rwlock_t lock;
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| 34 | };
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| 35 |
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| 36 | struct ping_iter_state {
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| 37 | struct seq_net_private p;
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| 38 | int bucket;
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| 39 | };
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| 40 |
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| 41 | extern struct proto ping_prot;
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| 42 |
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| 43 |
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| 44 | extern void ping_rcv(struct sk_buff *);
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| 45 | extern void ping_err(struct sk_buff *, u32 info);
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| 46 |
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| 47 | #ifdef CONFIG_PROC_FS
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| 48 | extern int __init ping_proc_init(void);
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| 49 | extern void ping_proc_exit(void);
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| 50 | #endif
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| 51 |
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| 52 | void __init ping_init(void);
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| 53 |
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| 54 |
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| 55 | #endif
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