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path: root/drivers/net/thunderx/nicvf_svf.c
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/*
 *   BSD LICENSE
 *
 *   Copyright (C) Cavium networks Ltd. 2016.
 *
 *   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 Cavium networks 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.
 */

#include <assert.h>
#include <stddef.h>

#include <rte_debug.h>
#include <rte_malloc.h>

#include "base/nicvf_bsvf.h"

#include "nicvf_svf.h"

void
nicvf_svf_push(struct nicvf *vf)
{
	struct svf_entry *entry = NULL;

	assert(vf != NULL);

	entry = rte_zmalloc("nicvf", sizeof(*entry), RTE_CACHE_LINE_SIZE);
	if (entry == NULL)
		rte_panic("Cannoc allocate memory for svf_entry\n");

	entry->vf = vf;

	nicvf_bsvf_push(entry);
}

struct nicvf *
nicvf_svf_pop(void)
{
	struct nicvf *vf;
	struct svf_entry *entry;

	entry = nicvf_bsvf_pop();

	vf = entry->vf;

	rte_free(entry);

	return vf;
}

int
nicvf_svf_empty(void)
{
	return nicvf_bsvf_empty();
}