kni: convert license headers to SPDX tags

[dpdk.git] / lib / librte_eal / linuxapp / kni / kni_fifo.h

diff --git a/lib/librte_eal/linuxapp/kni/kni_fifo.h b/lib/librte_eal/linuxapp/kni/kni_fifo.h
index 521da0f..9a4762d 100644 (file)
--- a/lib/librte_eal/linuxapp/kni/kni_fifo.h
+++ b/lib/librte_eal/linuxapp/kni/kni_fifo.h
@@ -1,25 +1,6 @@
-/*-
- * GPL LICENSE SUMMARY
- * 
- *   Copyright(c) 2010-2013 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_
@@ -30,13 +11,13 @@
 /**
  * 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);
@@ -54,12 +35,12 @@ kni_fifo_put(struct rte_kni_fifo *fifo, void **data, unsigned num)
 /**
  * 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)
@@ -76,33 +57,19 @@ kni_fifo_get(struct rte_kni_fifo *fifo, void **data, unsigned num)
 /**
  * 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);
+       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_ */