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/*
* BSD LICENSE
*
* Copyright (C) Cavium, Inc. 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, Inc 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 <err.h>
#include "nicvf_bsvf.h"
#include "nicvf_plat.h"
static STAILQ_HEAD(, svf_entry) head = STAILQ_HEAD_INITIALIZER(head);
void
nicvf_bsvf_push(struct svf_entry *entry)
{
assert(entry != NULL);
assert(entry->vf != NULL);
STAILQ_INSERT_TAIL(&head, entry, next);
}
struct svf_entry *
nicvf_bsvf_pop(void)
{
struct svf_entry *entry;
assert(!STAILQ_EMPTY(&head));
entry = STAILQ_FIRST(&head);
assert(entry != NULL);
assert(entry->vf != NULL);
STAILQ_REMOVE_HEAD(&head, next);
return entry;
}
int
nicvf_bsvf_empty(void)
{
return STAILQ_EMPTY(&head);
}
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