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author | Luca Boccassi <luca.boccassi@gmail.com> | 2018-08-14 18:52:30 +0100 |
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committer | Luca Boccassi <luca.boccassi@gmail.com> | 2018-08-14 18:53:17 +0100 |
commit | b63264c8342e6a1b6971c79550d2af2024b6a4de (patch) | |
tree | 83114aac64286fe616506c0b3dfaec2ab86ef835 /drivers/net/softnic/rte_eth_softnic_mempool.c | |
parent | ca33590b6af032bff57d9cc70455660466a654b2 (diff) |
New upstream version 18.08upstream/18.08
Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/net/softnic/rte_eth_softnic_mempool.c')
-rw-r--r-- | drivers/net/softnic/rte_eth_softnic_mempool.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/net/softnic/rte_eth_softnic_mempool.c b/drivers/net/softnic/rte_eth_softnic_mempool.c new file mode 100644 index 00000000..d5c569f9 --- /dev/null +++ b/drivers/net/softnic/rte_eth_softnic_mempool.c @@ -0,0 +1,103 @@ +/* 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; +} |