+++ /dev/null
-/*-
- * 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.
- */
-
-#include <stdint.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-
-#include <rte_common.h>
-#include <rte_random.h>
-#include <rte_memcpy.h>
-
-#include "test.h"
-
-/*
- * Set this to the maximum buffer size you want to test. If it is 0, then the
- * values in the buf_sizes[] array below will be used.
- */
-#define TEST_VALUE_RANGE 0
-
-/* List of buffer sizes to test */
-#if TEST_VALUE_RANGE == 0
-static size_t buf_sizes[] = {
- 0, 1, 7, 8, 9, 15, 16, 17, 31, 32, 33, 63, 64, 65, 127, 128, 129, 255,
- 256, 257, 320, 384, 511, 512, 513, 1023, 1024, 1025, 1518, 1522, 1600,
- 2048, 3072, 4096, 5120, 6144, 7168, 8192
-};
-/* MUST be as large as largest packet size above */
-#define SMALL_BUFFER_SIZE 8192
-#else /* TEST_VALUE_RANGE != 0 */
-static size_t buf_sizes[TEST_VALUE_RANGE];
-#define SMALL_BUFFER_SIZE TEST_VALUE_RANGE
-#endif /* TEST_VALUE_RANGE == 0 */
-
-/* Data is aligned on this many bytes (power of 2) */
-#define ALIGNMENT_UNIT 32
-
-
-/*
- * Create two buffers, and initialise one with random values. These are copied
- * to the second buffer and then compared to see if the copy was successful.
- * The bytes outside the copied area are also checked to make sure they were not
- * changed.
- */
-static int
-test_single_memcpy(unsigned int off_src, unsigned int off_dst, size_t size)
-{
- unsigned int i;
- uint8_t dest[SMALL_BUFFER_SIZE + ALIGNMENT_UNIT];
- uint8_t src[SMALL_BUFFER_SIZE + ALIGNMENT_UNIT];
- void * ret;
-
- /* Setup buffers */
- for (i = 0; i < SMALL_BUFFER_SIZE + ALIGNMENT_UNIT; i++) {
- dest[i] = 0;
- src[i] = (uint8_t) rte_rand();
- }
-
- /* Do the copy */
- ret = rte_memcpy(dest + off_dst, src + off_src, size);
- if (ret != (dest + off_dst)) {
- printf("rte_memcpy() returned %p, not %p\n",
- ret, dest + off_dst);
- }
-
- /* Check nothing before offset is affected */
- for (i = 0; i < off_dst; i++) {
- if (dest[i] != 0) {
- printf("rte_memcpy() failed for %u bytes (offsets=%u,%u): "
- "[modified before start of dst].\n",
- (unsigned)size, off_src, off_dst);
- return -1;
- }
- }
-
- /* Check everything was copied */
- for (i = 0; i < size; i++) {
- if (dest[i + off_dst] != src[i + off_src]) {
- printf("rte_memcpy() failed for %u bytes (offsets=%u,%u): "
- "[didn't copy byte %u].\n",
- (unsigned)size, off_src, off_dst, i);
- return -1;
- }
- }
-
- /* Check nothing after copy was affected */
- for (i = size; i < SMALL_BUFFER_SIZE; i++) {
- if (dest[i + off_dst] != 0) {
- printf("rte_memcpy() failed for %u bytes (offsets=%u,%u): "
- "[copied too many].\n",
- (unsigned)size, off_src, off_dst);
- return -1;
- }
- }
- return 0;
-}
-
-/*
- * Check functionality for various buffer sizes and data offsets/alignments.
- */
-static int
-func_test(void)
-{
- unsigned int off_src, off_dst, i;
- unsigned int num_buf_sizes = sizeof(buf_sizes) / sizeof(buf_sizes[0]);
- int ret;
-
- for (off_src = 0; off_src < ALIGNMENT_UNIT; off_src++) {
- for (off_dst = 0; off_dst < ALIGNMENT_UNIT; off_dst++) {
- for (i = 0; i < num_buf_sizes; i++) {
- ret = test_single_memcpy(off_src, off_dst,
- buf_sizes[i]);
- if (ret != 0)
- return -1;
- }
- }
- }
- return 0;
-}
-
-static int
-test_memcpy(void)
-{
- int ret;
-
- ret = func_test();
- if (ret != 0)
- return -1;
- return 0;
-}
-
-REGISTER_TEST_COMMAND(memcpy_autotest, test_memcpy);
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