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
64
65
66
67
68
69
70
|
/*
* Copyright (c) 2020 Doc.ai and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <vlib/vlib.h>
#include <vppinfra/hash.h>
#include <vppinfra/pool.h>
#include <vppinfra/random.h>
#include <wireguard/wireguard_index_table.h>
u32
wg_index_table_add (vlib_main_t *vm, wg_index_table_t *table,
u32 peer_pool_idx, u32 rnd_seed)
{
u32 key;
while (1)
{
key = random_u32 (&rnd_seed);
if (hash_get (table->hash, key))
continue;
vlib_worker_thread_barrier_sync (vm);
hash_set (table->hash, key, peer_pool_idx);
vlib_worker_thread_barrier_release (vm);
break;
}
return key;
}
void
wg_index_table_del (vlib_main_t *vm, wg_index_table_t *table, u32 key)
{
uword *p;
p = hash_get (table->hash, key);
if (p)
{
vlib_worker_thread_barrier_sync (vm);
hash_unset (table->hash, key);
vlib_worker_thread_barrier_release (vm);
}
}
u32 *
wg_index_table_lookup (const wg_index_table_t * table, u32 key)
{
uword *p;
p = hash_get (table->hash, key);
return (u32 *) p;
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
