-/*-
- * GPL LICENSE SUMMARY
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- * The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
- *
- * Contact Information:
- * Intel Corporation
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright(c) 2010-2014 Intel Corporation.
*/
#ifndef _KNI_FIFO_H_
/**
* Adds num elements into the fifo. Return the number actually written
*/
-static inline unsigned
-kni_fifo_put(struct rte_kni_fifo *fifo, void **data, unsigned num)
+static inline uint32_t
+kni_fifo_put(struct rte_kni_fifo *fifo, void **data, uint32_t num)
{
- unsigned i = 0;
- unsigned fifo_write = fifo->write;
- unsigned fifo_read = fifo->read;
- unsigned new_write = fifo_write;
+ uint32_t i = 0;
+ uint32_t fifo_write = fifo->write;
+ uint32_t fifo_read = fifo->read;
+ uint32_t new_write = fifo_write;
for (i = 0; i < num; i++) {
new_write = (new_write + 1) & (fifo->len - 1);
/**
* Get up to num elements from the fifo. Return the number actully read
*/
-static inline unsigned
-kni_fifo_get(struct rte_kni_fifo *fifo, void **data, unsigned num)
+static inline uint32_t
+kni_fifo_get(struct rte_kni_fifo *fifo, void **data, uint32_t num)
{
- unsigned i = 0;
- unsigned new_read = fifo->read;
- unsigned fifo_write = fifo->write;
+ uint32_t i = 0;
+ uint32_t new_read = fifo->read;
+ uint32_t fifo_write = fifo->write;
for (i = 0; i < num; i++) {
if (new_read == fifo_write)
/**
* Get the num of elements in the fifo
*/
-static inline unsigned
+static inline uint32_t
kni_fifo_count(struct rte_kni_fifo *fifo)
{
return (fifo->len + fifo->write - fifo->read) & (fifo->len - 1);
/**
* Get the num of available elements in the fifo
*/
-static inline unsigned
+static inline uint32_t
kni_fifo_free_count(struct rte_kni_fifo *fifo)
{
return (fifo->read - fifo->write - 1) & (fifo->len - 1);
}
-#ifdef RTE_KNI_VHOST
-/**
- * Initializes the kni fifo structure
- */
-static inline void
-kni_fifo_init(struct rte_kni_fifo *fifo, unsigned size)
-{
- fifo->write = 0;
- fifo->read = 0;
- fifo->len = size;
- fifo->elem_size = sizeof(void *);
-}
-#endif
-
#endif /* _KNI_FIFO_H_ */