/* * 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: */