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examples/ip_pipeline/mempool.c
82 строки
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Jasvinder Singh
examples/ip_pipeline: replace strncpy with strlcpy
08 май 2018, 14:35
08 май 2018, 14:35
7959831
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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 "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; }