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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2018 Intel Corporation
*/
#include <stdlib.h>
#include <string.h>
#include <rte_mbuf.h>
#include <rte_string_fns.h>
#include "rte_eth_softnic_internals.h"
#define BUFFER_SIZE_MIN (sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
int
softnic_mempool_init(struct pmd_internals *p)
{
TAILQ_INIT(&p->mempool_list);
return 0;
}
void
softnic_mempool_free(struct pmd_internals *p)
{
for ( ; ; ) {
struct softnic_mempool *mempool;
mempool = TAILQ_FIRST(&p->mempool_list);
if (mempool == NULL)
break;
TAILQ_REMOVE(&p->mempool_list, mempool, node);
rte_mempool_free(mempool->m);
free(mempool);
}
}
struct softnic_mempool *
softnic_mempool_find(struct pmd_internals *p,
const char *name)
{
struct softnic_mempool *mempool;
if (name == NULL)
return NULL;
TAILQ_FOREACH(mempool, &p->mempool_list, node)
if (strcmp(mempool->name, name) == 0)
return mempool;
return NULL;
}
struct softnic_mempool *
softnic_mempool_create(struct pmd_internals *p,
const char *name,
struct softnic_mempool_params *params)
{
char mempool_name[NAME_SIZE];
struct softnic_mempool *mempool;
struct rte_mempool *m;
/* Check input params */
if (name == NULL ||
softnic_mempool_find(p, name) ||
params == NULL ||
params->buffer_size < BUFFER_SIZE_MIN ||
params->pool_size == 0)
return NULL;
/* Resource create */
snprintf(mempool_name, sizeof(mempool_name), "%s_%s",
p->params.name,
name);
m = rte_pktmbuf_pool_create(mempool_name,
params->pool_size,
params->cache_size,
0,
params->buffer_size - sizeof(struct rte_mbuf),
p->params.cpu_id);
if (m == NULL)
return NULL;
/* Node allocation */
mempool = calloc(1, sizeof(struct softnic_mempool));
if (mempool == NULL) {
rte_mempool_free(m);
return NULL;
}
/* Node fill in */
strlcpy(mempool->name, name, sizeof(mempool->name));
mempool->m = m;
mempool->buffer_size = params->buffer_size;
/* Node add to list */
TAILQ_INSERT_TAIL(&p->mempool_list, mempool, node);
return mempool;
}
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