-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * 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
*/
#include <inttypes.h>
#include <string.h>
+#include <rte_string_fns.h>
#include <rte_log.h>
#include <rte_mbuf.h>
-#include <rte_memzone.h>
#include <rte_eal_memconfig.h>
#include <rte_errno.h>
-#include <rte_tailq.h>
#include <rte_malloc.h>
+#include <rte_tailq.h>
#include "rte_reorder.h"
TAILQ_HEAD(rte_reorder_list, rte_tailq_entry);
+static struct rte_tailq_elem rte_reorder_tailq = {
+ .name = "RTE_REORDER",
+};
+EAL_REGISTER_TAILQ(rte_reorder_tailq)
+
#define NO_FLAGS 0
#define RTE_REORDER_PREFIX "RO_"
#define RTE_REORDER_NAMESIZE 32
unsigned int memsize; /**< memory area size of reorder buffer */
struct cir_buffer ready_buf; /**< temp buffer for dequeued entries */
struct cir_buffer order_buf; /**< buffer used to reorder entries */
+ int is_initialized;
} __rte_cache_aligned;
static void
}
memset(b, 0, bufsize);
- snprintf(b->name, sizeof(b->name), "%s", name);
+ strlcpy(b->name, name, sizeof(b->name));
b->memsize = bufsize;
b->order_buf.size = b->ready_buf.size = size;
b->order_buf.mask = b->ready_buf.mask = size - 1;
const unsigned int bufsize = sizeof(struct rte_reorder_buffer) +
(2 * size * sizeof(struct rte_mbuf *));
- /* check that we have an initialised tail queue */
- reorder_list = RTE_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_REORDER, rte_reorder_list);
- if (!reorder_list) {
- rte_errno = E_RTE_NO_TAILQ;
- return NULL;
- }
+ reorder_list = RTE_TAILQ_CAST(rte_reorder_tailq.head, rte_reorder_list);
/* Check user arguments. */
if (!rte_is_power_of_2(size)) {
return NULL;
}
- rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK);
+ rte_mcfg_tailq_write_lock();
/* guarantee there's no existing */
TAILQ_FOREACH(te, reorder_list, next) {
}
exit:
- rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
+ rte_mcfg_tailq_write_unlock();
return b;
}
char name[RTE_REORDER_NAMESIZE];
rte_reorder_free_mbufs(b);
- snprintf(name, sizeof(name), "%s", b->name);
+ strlcpy(name, b->name, sizeof(name));
/* No error checking as current values should be valid */
rte_reorder_init(b, b->memsize, name, b->order_buf.size);
}
if (b == NULL)
return;
- /* check that we have an initialised tail queue */
- reorder_list = RTE_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_REORDER, rte_reorder_list);
- if (!reorder_list) {
- rte_errno = E_RTE_NO_TAILQ;
- return;
- }
+ reorder_list = RTE_TAILQ_CAST(rte_reorder_tailq.head, rte_reorder_list);
- rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK);
+ rte_mcfg_tailq_write_lock();
/* find our tailq entry */
TAILQ_FOREACH(te, reorder_list, next) {
break;
}
if (te == NULL) {
- rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
+ rte_mcfg_tailq_write_unlock();
return;
}
TAILQ_REMOVE(reorder_list, te, next);
- rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
+ rte_mcfg_tailq_write_unlock();
rte_reorder_free_mbufs(b);
struct rte_tailq_entry *te;
struct rte_reorder_list *reorder_list;
- /* check that we have an initialised tail queue */
- reorder_list = RTE_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_REORDER, rte_reorder_list);
- if (!reorder_list) {
- rte_errno = E_RTE_NO_TAILQ;
+ if (name == NULL) {
+ rte_errno = EINVAL;
return NULL;
}
- rte_rwlock_read_lock(RTE_EAL_TAILQ_RWLOCK);
+ reorder_list = RTE_TAILQ_CAST(rte_reorder_tailq.head, rte_reorder_list);
+
+ rte_mcfg_tailq_read_lock();
TAILQ_FOREACH(te, reorder_list, next) {
b = (struct rte_reorder_buffer *) te->data;
if (strncmp(name, b->name, RTE_REORDER_NAMESIZE) == 0)
break;
}
- rte_rwlock_read_unlock(RTE_EAL_TAILQ_RWLOCK);
+ rte_mcfg_tailq_read_unlock();
if (te == NULL) {
rte_errno = ENOENT;
rte_reorder_insert(struct rte_reorder_buffer *b, struct rte_mbuf *mbuf)
{
uint32_t offset, position;
- struct cir_buffer *order_buf = &b->order_buf;
+ struct cir_buffer *order_buf;
+
+ if (b == NULL || mbuf == NULL) {
+ rte_errno = EINVAL;
+ return -1;
+ }
+
+ order_buf = &b->order_buf;
+ if (!b->is_initialized) {
+ b->min_seqn = mbuf->seqn;
+ b->is_initialized = 1;
+ }
/*
* calculate the offset from the head pointer we need to go.