1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2015-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
*/
#ifndef _WG_HASHTABLES_H
#define _WG_HASHTABLES_H
#include "messages.h"
#include <linux/hashtable.h>
#include <linux/mutex.h>
#include <linux/siphash.h>
struct wireguard_peer;
struct pubkey_hashtable {
/* TODO: move to rhashtable */
DECLARE_HASHTABLE(hashtable, 11);
siphash_key_t key;
struct mutex lock;
};
void pubkey_hashtable_init(struct pubkey_hashtable *table);
void pubkey_hashtable_add(struct pubkey_hashtable *table,
struct wireguard_peer *peer);
void pubkey_hashtable_remove(struct pubkey_hashtable *table,
struct wireguard_peer *peer);
struct wireguard_peer *
pubkey_hashtable_lookup(struct pubkey_hashtable *table,
const u8 pubkey[NOISE_PUBLIC_KEY_LEN]);
struct index_hashtable {
/* TODO: move to rhashtable */
DECLARE_HASHTABLE(hashtable, 13);
spinlock_t lock;
};
enum index_hashtable_type {
INDEX_HASHTABLE_HANDSHAKE = 1U << 0,
INDEX_HASHTABLE_KEYPAIR = 1U << 1
};
struct index_hashtable_entry {
struct wireguard_peer *peer;
struct hlist_node index_hash;
enum index_hashtable_type type;
__le32 index;
};
void index_hashtable_init(struct index_hashtable *table);
__le32 index_hashtable_insert(struct index_hashtable *table,
struct index_hashtable_entry *entry);
bool index_hashtable_replace(struct index_hashtable *table,
struct index_hashtable_entry *old,
struct index_hashtable_entry *new);
void index_hashtable_remove(struct index_hashtable *table,
struct index_hashtable_entry *entry);
struct index_hashtable_entry *
index_hashtable_lookup(struct index_hashtable *table,
const enum index_hashtable_type type_mask,
const __le32 index, struct wireguard_peer **peer);
#endif /* _WG_HASHTABLES_H */
|
