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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2018 NXP
*/
#include <string.h>
#include <rte_compat.h>
#include <rte_eal.h>
#include <rte_mbuf.h>
#include <rte_errno.h>
#include <rte_mbuf_pool_ops.h>
int
rte_mbuf_set_platform_mempool_ops(const char *ops_name)
{
const struct rte_memzone *mz;
if (strlen(ops_name) >= RTE_MEMPOOL_OPS_NAMESIZE)
return -ENAMETOOLONG;
mz = rte_memzone_lookup("mbuf_platform_pool_ops");
if (mz == NULL) {
mz = rte_memzone_reserve("mbuf_platform_pool_ops",
RTE_MEMPOOL_OPS_NAMESIZE, SOCKET_ID_ANY, 0);
if (mz == NULL)
return -rte_errno;
strcpy(mz->addr, ops_name);
return 0;
} else if (strcmp(mz->addr, ops_name) == 0) {
return 0;
}
RTE_LOG(ERR, MBUF,
"%s is already registered as platform mbuf pool ops\n",
(char *)mz->addr);
return -EEXIST;
}
const char *
rte_mbuf_platform_mempool_ops(void)
{
const struct rte_memzone *mz;
mz = rte_memzone_lookup("mbuf_platform_pool_ops");
if (mz == NULL)
return NULL;
return mz->addr;
}
int
rte_mbuf_set_user_mempool_ops(const char *ops_name)
{
const struct rte_memzone *mz;
if (strlen(ops_name) >= RTE_MEMPOOL_OPS_NAMESIZE)
return -ENAMETOOLONG;
mz = rte_memzone_lookup("mbuf_user_pool_ops");
if (mz == NULL) {
mz = rte_memzone_reserve("mbuf_user_pool_ops",
RTE_MEMPOOL_OPS_NAMESIZE, SOCKET_ID_ANY, 0);
if (mz == NULL)
return -rte_errno;
}
strcpy(mz->addr, ops_name);
return 0;
}
const char *
rte_mbuf_user_mempool_ops(void)
{
const struct rte_memzone *mz;
mz = rte_memzone_lookup("mbuf_user_pool_ops");
if (mz == NULL)
return rte_eal_mbuf_user_pool_ops();
return mz->addr;
}
/* Return mbuf pool ops name */
const char *
rte_mbuf_best_mempool_ops(void)
{
/* User defined mempool ops takes the priority */
const char *best_ops = rte_mbuf_user_mempool_ops();
if (best_ops)
return best_ops;
/* Next choice is platform configured mempool ops */
best_ops = rte_mbuf_platform_mempool_ops();
if (best_ops)
return best_ops;
/* Last choice is to use the compile time config pool */
return RTE_MBUF_DEFAULT_MEMPOOL_OPS;
}
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