diff options
Diffstat (limited to 'lib/librte_mbuf/rte_mbuf.c')
| -rw-r--r-- | lib/librte_mbuf/rte_mbuf.c | 85 |
1 files changed, 38 insertions, 47 deletions
diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c index 7543662f..091d388d 100644 --- a/lib/librte_mbuf/rte_mbuf.c +++ b/lib/librte_mbuf/rte_mbuf.c @@ -1,35 +1,6 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * Copyright 2014 6WIND S.A. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation. + * Copyright 2014 6WIND S.A. */ #include <string.h> @@ -42,6 +13,7 @@ #include <ctype.h> #include <sys/queue.h> +#include <rte_compat.h> #include <rte_debug.h> #include <rte_common.h> #include <rte_log.h> @@ -54,6 +26,7 @@ #include <rte_branch_prediction.h> #include <rte_mempool.h> #include <rte_mbuf.h> +#include <rte_mbuf_pool_ops.h> #include <rte_string_fns.h> #include <rte_hexdump.h> #include <rte_errno.h> @@ -148,15 +121,15 @@ rte_pktmbuf_init(struct rte_mempool *mp, m->next = NULL; } -/* helper to create a mbuf pool */ -struct rte_mempool * -rte_pktmbuf_pool_create(const char *name, unsigned n, - unsigned cache_size, uint16_t priv_size, uint16_t data_room_size, - int socket_id) +/* Helper to create a mbuf pool with given mempool ops name*/ +struct rte_mempool * __rte_experimental +rte_pktmbuf_pool_create_by_ops(const char *name, unsigned int n, + unsigned int cache_size, uint16_t priv_size, uint16_t data_room_size, + int socket_id, const char *ops_name) { struct rte_mempool *mp; struct rte_pktmbuf_pool_private mbp_priv; - const char *mp_ops_name; + const char *mp_ops_name = ops_name; unsigned elt_size; int ret; @@ -176,7 +149,8 @@ rte_pktmbuf_pool_create(const char *name, unsigned n, if (mp == NULL) return NULL; - mp_ops_name = rte_eal_mbuf_default_mempool_ops(); + if (mp_ops_name == NULL) + mp_ops_name = rte_mbuf_best_mempool_ops(); ret = rte_mempool_set_ops_byname(mp, mp_ops_name, NULL); if (ret != 0) { RTE_LOG(ERR, MBUF, "error setting mempool handler\n"); @@ -198,12 +172,21 @@ rte_pktmbuf_pool_create(const char *name, unsigned n, return mp; } +/* helper to create a mbuf pool */ +struct rte_mempool * +rte_pktmbuf_pool_create(const char *name, unsigned int n, + unsigned int cache_size, uint16_t priv_size, uint16_t data_room_size, + int socket_id) +{ + return rte_pktmbuf_pool_create_by_ops(name, n, cache_size, priv_size, + data_room_size, socket_id, NULL); +} + /* do some sanity checks on a mbuf: panic if it fails */ void rte_mbuf_sanity_check(const struct rte_mbuf *m, int is_header) { - const struct rte_mbuf *m_seg; - unsigned int nb_segs; + unsigned int nb_segs, pkt_len; if (m == NULL) rte_panic("mbuf is NULL\n"); @@ -224,14 +207,22 @@ rte_mbuf_sanity_check(const struct rte_mbuf *m, int is_header) if (is_header == 0) return; + /* data_len is supposed to be not more than pkt_len */ + if (m->data_len > m->pkt_len) + rte_panic("bad data_len\n"); + nb_segs = m->nb_segs; - m_seg = m; - while (m_seg && nb_segs != 0) { - m_seg = m_seg->next; - nb_segs--; - } - if (nb_segs != 0) + pkt_len = m->pkt_len; + + do { + nb_segs -= 1; + pkt_len -= m->data_len; + } while ((m = m->next) != NULL); + + if (nb_segs) rte_panic("bad nb_segs\n"); + if (pkt_len) + rte_panic("bad pkt_len\n"); } /* dump a mbuf on console */ |