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-rwxr-xr-xsrc/dpdk_lib18/librte_kni/rte_kni_fifo.h93
1 files changed, 0 insertions, 93 deletions
diff --git a/src/dpdk_lib18/librte_kni/rte_kni_fifo.h b/src/dpdk_lib18/librte_kni/rte_kni_fifo.h
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index 8cb85873..00000000
--- a/src/dpdk_lib18/librte_kni/rte_kni_fifo.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/*-
- * 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.
- */
-
-
-
-/**
- * Initializes the kni fifo structure
- */
-static void
-kni_fifo_init(struct rte_kni_fifo *fifo, unsigned size)
-{
- /* Ensure size is power of 2 */
- if (size & (size - 1))
- rte_panic("KNI fifo size must be power of 2\n");
-
- fifo->write = 0;
- fifo->read = 0;
- fifo->len = size;
- fifo->elem_size = sizeof(void *);
-}
-
-/**
- * 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)
-{
- unsigned i = 0;
- unsigned fifo_write = fifo->write;
- unsigned fifo_read = fifo->read;
- unsigned new_write = fifo_write;
-
- for (i = 0; i < num; i++) {
- new_write = (new_write + 1) & (fifo->len - 1);
-
- if (new_write == fifo_read)
- break;
- fifo->buffer[fifo_write] = data[i];
- fifo_write = new_write;
- }
- fifo->write = fifo_write;
- return i;
-}
-
-/**
- * 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)
-{
- unsigned i = 0;
- unsigned new_read = fifo->read;
- unsigned fifo_write = fifo->write;
- for (i = 0; i < num; i++) {
- if (new_read == fifo_write)
- break;
-
- data[i] = fifo->buffer[new_read];
- new_read = (new_read + 1) & (fifo->len - 1);
- }
- fifo->read = new_read;
- return i;
-}