diff options
Diffstat (limited to 'examples/ip_pipeline/mempool.c')
-rw-r--r-- | examples/ip_pipeline/mempool.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/examples/ip_pipeline/mempool.c b/examples/ip_pipeline/mempool.c new file mode 100644 index 00000000..f5d2a7d1 --- /dev/null +++ b/examples/ip_pipeline/mempool.c @@ -0,0 +1,82 @@ +/* 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 "mempool.h" + +#define BUFFER_SIZE_MIN (sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) + +static struct mempool_list mempool_list; + +int +mempool_init(void) +{ + TAILQ_INIT(&mempool_list); + + return 0; +} + +struct mempool * +mempool_find(const char *name) +{ + struct mempool *mempool; + + if (name == NULL) + return NULL; + + TAILQ_FOREACH(mempool, &mempool_list, node) + if (strcmp(mempool->name, name) == 0) + return mempool; + + return NULL; +} + +struct mempool * +mempool_create(const char *name, struct mempool_params *params) +{ + struct mempool *mempool; + struct rte_mempool *m; + + /* Check input params */ + if ((name == NULL) || + mempool_find(name) || + (params == NULL) || + (params->buffer_size < BUFFER_SIZE_MIN) || + (params->pool_size == 0)) + return NULL; + + /* Resource create */ + m = rte_pktmbuf_pool_create( + name, + params->pool_size, + params->cache_size, + 0, + params->buffer_size - sizeof(struct rte_mbuf), + params->cpu_id); + + if (m == NULL) + return NULL; + + /* Node allocation */ + mempool = calloc(1, sizeof(struct 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(&mempool_list, mempool, node); + + return mempool; +} |