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/*
* 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 <vppinfra/hash.h>
#include <vppinfra/pool.h>
#include <vppinfra/random.h>
#include <wireguard/wireguard_index_table.h>
u32
wg_index_table_add (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;
hash_set (table->hash, key, peer_pool_idx);
break;
}
return key;
}
void
wg_index_table_del (wg_index_table_t * table, u32 key)
{
uword *p;
p = hash_get (table->hash, key);
if (p)
hash_unset (table->hash, key);
}
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:
*/
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