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/*
* Copyright (c) 2016 Intel Corporation.
* 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 <string.h>
#include <rte_malloc.h>
#include <rte_errno.h>
#include "stream_table.h"
void
stbl_fini(struct stbl *st)
{
uint32_t i;
for (i = 0; i != RTE_DIM(st->ht); i++) {
rte_hash_free(st->ht[i].t);
rte_free(st->ht[i].ent);
}
memset(st, 0, sizeof(*st));
}
int
stbl_init(struct stbl *st, uint32_t num, int32_t socket)
{
int32_t rc;
size_t i, sz;
struct rte_hash_parameters hprm;
char buf[RTE_HASH_NAMESIZE];
num = RTE_MAX(5 * num / 4, 0x10U);
memset(&hprm, 0, sizeof(hprm));
hprm.name = buf;
hprm.entries = num;
hprm.socket_id = socket;
rc = 0;
snprintf(buf, sizeof(buf), "stbl4@%p", st);
hprm.key_len = sizeof(struct stbl4_key);
st->ht[TLE_V4].t = rte_hash_create(&hprm);
if (st->ht[TLE_V4].t == NULL)
rc = (rte_errno != 0) ? -rte_errno : -ENOMEM;
if (rc == 0) {
snprintf(buf, sizeof(buf), "stbl6@%p", st);
hprm.key_len = sizeof(struct stbl6_key);
st->ht[TLE_V6].t = rte_hash_create(&hprm);
if (st->ht[TLE_V6].t == NULL)
rc = (rte_errno != 0) ? -rte_errno : -ENOMEM;
}
for (i = 0; i != RTE_DIM(st->ht) && rc == 0; i++) {
sz = sizeof(*st->ht[i].ent) * num;
st->ht[i].ent = rte_zmalloc_socket(NULL, sz,
RTE_CACHE_LINE_SIZE, socket);
if (st->ht[i].ent == NULL)
rc = -ENOMEM;
else
st->ht[i].nb_ent = num;
}
if (rc != 0)
stbl_fini(st);
return rc;
}
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