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/*
* Copyright (c) 2021 Cisco 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 <stdlib.h>
#include <vlib/vlib.h>
#include "pcs.h"
#include "cache_policies/cs_lru.h"
void
hicn_pit_create (hicn_pit_cs_t *p, u32 max_pit_elt, u32 max_cs_elt)
{
// Allocate PCS hash table. KEY=Name, VALUE=pool_idx
clib_bihash_24_8_t *pcs_table = &p->pcs_table;
u32 n_elements = max_pit_elt / BIHASH_KVP_PER_PAGE;
clib_bihash_init_24_8 (pcs_table, "hicn_pcs_table", n_elements, 512 << 20);
// Allocate pool of PIT/CS entries
pool_alloc (p->pcs_entries_pool, max_pit_elt);
// Init counters
p->max_pit_size = max_pit_elt;
p->pcs_pit_count = p->pcs_cs_count = 0;
p->policy_state = hicn_cs_lru_create (max_cs_elt);
p->pcs_cs_count = 0;
p->pcs_pcs_alloc = 0;
p->pcs_pcs_dealloc = 0;
p->pcs_pit_count = 0;
}
void
hicn_pit_destroy (hicn_pit_cs_t *p)
{
// Deallocate PCS hash table.
clib_bihash_24_8_t *pcs_table = &p->pcs_table;
clib_bihash_free_24_8 (pcs_table);
// Deallocate pool of PIT/CS entries
pool_free (p->pcs_entries_pool);
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables: eval: (c-set-style "gnu") End:
*/
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