diff options
Diffstat (limited to 'lib/librte_mbuf/rte_mbuf_pool_ops.c')
-rw-r--r-- | lib/librte_mbuf/rte_mbuf_pool_ops.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/lib/librte_mbuf/rte_mbuf_pool_ops.c b/lib/librte_mbuf/rte_mbuf_pool_ops.c new file mode 100644 index 00000000..48cc3420 --- /dev/null +++ b/lib/librte_mbuf/rte_mbuf_pool_ops.c @@ -0,0 +1,97 @@ +/* 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_experimental +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; + strncpy(mz->addr, ops_name, strlen(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_experimental +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_experimental +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; + } + + strncpy(mz->addr, ops_name, strlen(ops_name)); + return 0; + +} + +const char * __rte_experimental +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_experimental +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; +} |